PR rtl-optimization/80491
[official-gcc.git] / gcc / ChangeLog
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1 2017-04-29  Jakub Jelinek  <jakub@redhat.com>
3         PR rtl-optimization/80491
4         * alias.c (memory_modified_in_insn_p): Return true for CALL_INSNs.
6 2017-04-29  Marc Glisse  <marc.glisse@inria.fr>
8         PR tree-optimization/80487
9         * tree-ssa-alias.c (stmt_kills_ref_p): Handle stpncpy and strncpy.
11 2017-04-29  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
13         PR tree-optimization/79697
14         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Check if callee
15         is BUILT_IN_STRDUP, BUILT_IN_STRNDUP, BUILT_IN_REALLOC.
16         (propagate_necessity): Check if def_callee is BUILT_IN_STRDUP or
17         BUILT_IN_STRNDUP.
18         * gimple-fold.c (gimple_fold_builtin_realloc): New function.
19         (gimple_fold_builtin): Call gimple_fold_builtin_realloc.
21 2017-04-28  Martin Sebor  <msebor@redhat.com>
23         PR tree-optimization/80523
24         * gimple-ssa-sprintf.c (target_to_host_charmap): New global variable.
25         (init_target_to_host_charmap, target_to_host, target_strtol10): New
26         functions.
27         (maybe_warn, format_directive, parse_directive): Use new functions.
28         (pass_sprintf_length::execute): Call init_target_to_host_charmap.       
30 2017-04-28  Marc Glisse  <marc.glisse@inria.fr>
32         * match.pd (X+Z OP Y+Z, X-Z OP Y-Z, Z-X OP Z-Y): New transformations.
34 2017-04-28  Bernd Edlinger  <bernd.edlinger@hotmail.de>
36         * configure.ac (SYSTEM_HEADER_DIR, BUILD_SYSTEM_HEADER_DIR,
37         target_header_dir): Set correctly.
38         * configure: Regenerated.
39         * Makefile.in (BUILD_SYSTEM_HEADER_DIR): New make variabe.
40         (LIMITS_H_TEST, if_multiarch, stmp-fixinc): Use BUILD_SYSTEM_HEADER_DIR
41         instead of SYSTEM_HEADER_DIR.
43 2017-04-28  Jan Hubicka  <hubicka@ucw.cz>
45         * ipa-cp.c (perform_estimation_of_a_value): Turn time to sreal.
46         (estimate_local_effects): Likewise.
47         * ipa-inline.c (compute_inlined_call_time, want_inline_small_function_p,
48         edge_badness, inline_small_functions, dump_overall_stats): LIkewise.
49         * ipa-inline.h (edge_growth_cache_entry, estimate_time_after_inlining,
50         estimate_ipcp_clone_size_and_time, do_estimate_edge_time,
51         do_estimate_edge_time, estimate_edge_time): Likewise.
52         * ipa-inline-analysis.c (estimate_node_size_and_time,
53         estimate_ipcp_clone_size_and_time, do_estimate_edge_time): Likewise.
54         (estimate_time_after_inlining): Remove.
55         
56 2017-04-28  Martin Liska  <mliska@suse.cz>
58         * doc/gcov.texi: Enhance documentation of gcov.
60 2017-04-28  Martin Liska  <mliska@suse.cz>
62         * doc/gcov.texi: Sort options in alphabetic order.
63         * doc/gcov-dump.texi: Likewise.
64         * doc/gcov-tool.texi: Likewise.
65         * gcov.c (print_usage): Likewise.
66         * gcov-dump.c (print_usage): Likewise.
67         * gcov-tool.c (print_merge_usage_message): Likewise.
68         (print_rewrite_usage_message): Likewise.
69         (print_overlap_usage_message): Likewise.
71 2017-04-28  Martin Liska  <mliska@suse.cz>
73         PR gcov-profile/53915
74         * gcov.c (format_gcov): Print 'NAN %' when top > bottom.
76 2017-04-28  Martin Liska  <mliska@suse.cz>
78         PR gcov-profile/79891
79         * gcov.c (add_line_counts): Assign BBs to lines just if the BB
80         is marked by compiler as living on a line.
81         (get_cycles_count): Remove usage of the union.
82         (output_intermediate_file): Likewise.
83         (find_source): Fix GNU coding style.
84         (accumulate_line_counts): Remove old non-all block mode.
85         (output_lines): Remove usage of the union.
86         * profile.c (output_location): Include all BBs, even if
87         belonging to a same line (and file) as a previous BB.
89 2017-04-28  Martin Liska  <mliska@suse.cz>
91         * gcov.c (process_args): Handle new argument 'w'.
92         (read_graph_file): Assign ID to BBs.
93         (output_branch_count): Display BB # if verbose flag is set.
94         (output_lines): Likewise for arcs.
95         (print_usage): Add '--verbose' option help.
96         * doc/gcov.texi: Document --verbose (-w) option.
98 2017-04-28  Martin Liska  <mliska@suse.cz>
100         * gcov.c (struct block_location_info): New struct.
101         (process_file): Fill up the new structure.
102         (read_graph_file): Replace usage of encoding by the newly added
103         struct.
104         (add_line_counts): Likewise.
105         (accumulate_line_counts): Remove usage of the union.
106         (function_info::function_info): New function.
107         (function_info::~function_info): Likewise.
108         (process_file): Call delete instead of release_function.
109         (release_function): Release the function.
110         (release_structures): Call delete instead of release_function.
111         (solve_flow_graph): Replace usage of num_blocks.
112         (find_exception_blocks): Likewise.
113         (output_lines): Fix GNU coding style.
115 2017-04-28  Martin Liska  <mliska@suse.cz>
117         PR driver/56469
118         * coverage.c (coverage_remove_note_file): New function.
119         * coverage.h: Declare the function.
120         * toplev.c (finalize): Clean if an error has been seen.
122 2017-04-28  Martin Liska  <mliska@suse.cz>
124         PR gcov-profile/80031
125         * gcov-dump.c (tag_blocks): Just print number of basic blocks.
126         * gcov-io.h (GCOV_TAG_BLOCKS_NUM): Remove unused macro.
127         * gcov.c (read_graph_file): Read just number of blocks.
128         * profile.c (branch_prob): Do not stream 0 flags per a basic
129         block.
131 2017-04-28  Martin Liska  <mliska@suse.cz>
133         * gcov-dump.c (tag_*): Add new argument to declarations.
134         (dump_gcov_file): Likewise.
135         (tag_blocks): Add and use new argument depth.
136         (tag_arcs): Likewise.
137         (tag_lines): Likewise.
138         (tag_counters): Likewise.
139         (tag_summary): Likewise.
140         (dump_working_sets): Use depth to do a proper indentation.
142 2017-04-28  Jakub Jelinek  <jakub@redhat.com>
144         PR bootstrap/80531
145         * cgraph.h (symtab_node::debug_symtab): No longer inline.
146         * symtab.c (symtab_node::debug_symtab): Move definition here.
148 2017-04-28  Richard Biener  <rguenther@suse.de>
150         * lto-streamer.h (LTO_major_version): Bump to 7.
152 2017-04-28  Richard Biener  <rguenther@suse.de>
154         * tree-vrp.c (assert_info): New struct.
155         (add_assert_info): New helper.
156         (register_edge_assert_for_2): Refactor to add asserts to a vector
157         of assert_info.
158         (register_edge_assert_for_1): Likewise.
159         (register_edge_assert_for): Likewise.
160         (finish_register_edge_assert_for): New helper actually registering
161         asserts where live on edge.
162         (find_conditional_asserts): Adjust.
163         (find_switch_asserts): Likewise.
164         (evrp_dom_walker::try_find_new_range): Generalize.
165         (evrp_dom_walker::before_dom_children): Use register_edge_assert_for.
167 2017-04-27  Marek Polacek  <polacek@redhat.com>
169         PR sanitizer/80349
170         * fold-const.c (fold_binary_loc) <case EQ_EXPR, NE_EXPR>: Convert
171         arg10 and arg11 to itype.
173 2017-04-27  Jonathan Wakely  <jwakely@redhat.com>
175         * doc/extend.texi (Object Size Checking): Improve grammar.
177 2017-04-27  Richard Earnshaw  <rearnsha@arm.com>
179         PR target/80530
180         * config/aarch64/aarch64.c (aarch64_emit_approx_sqrt): Ensure
181         that the logic for permitting reciprocal estimates matches that
182         in use_rsqrt_p.
184 2017-04-27  Jakub Jelinek  <jakub@redhat.com>
186         PR c++/80534
187         * tree.c (type_cache_hasher::equal): Only compare
188         TYPE_TYPELESS_STORAGE flag on non-aggregate element types.
189         (build_array_type_1): Only hash TYPE_TYPELESS_STORAGE flag on
190         non-aggregate element types.
191         * tree.h (TYPE_TYPELESS_STORAGE): Fix comment typo, add more details
192         about the flag on ARRAY_TYPEs in the comment, formatting fix.
194 2017-04-27  Richard Biener  <rguenther@suse.de>
196         PR middle-end/80533
197         * emit-rtl.c (set_mem_attributes_minus_bitpos): When
198         stripping ARRAY_REFs from MEM_EXPR make sure we're not
199         keeping a reference to a trailing array.
201 2017-04-27  Richard Biener  <rguenther@suse.de>
203         PR middle-end/80539
204         * tree-chrec.c (chrec_fold_plus_poly_poly): Deal with not
205         being in loop-closed SSA form conservatively.
206         (chrec_fold_multiply_poly_poly): Likewise.
208 2017-04-27  Tamar Christina  <tamar.christina@arm.com>
210         PR middle-end/79665
211         * expr.c (expand_expr_real_2): Move TRUNC_MOD_EXPR, FLOOR_MOD_EXPR,
212         CEIL_MOD_EXPR, ROUND_MOD_EXPR cases.
214 2017-04-27  Jakub Jelinek  <jakub@redhat.com>
216         PR target/77728
217         * config/aarch64/aarch64.c (struct aarch64_fn_arg_alignment): Remove.
218         (aarch64_function_arg_alignment): Return unsigned int again, but still
219         ignore TYPE_FIELDS chain decls other than FIELD_DECLs.
220         (aarch64_layout_arg): Adjust aarch64_function_arg_alignment caller.
221         Don't emit -Wpsabi note.
222         (aarch64_function_arg_boundary): Likewise.
223         (aarch64_gimplify_va_arg_expr): Adjust aarch64_function_arg_alignment
224         caller.
226 2017-04-26  Nathan Sidwell  <nathan@acm.org>
228         * tree.h (crc32_unsigned_n): Declare.
229         (crc32_unsigned, crc32_unsigned): Make inline.
230         * tree.c (crc32_unsigned_bits): Replace with ...
231         (crc32_unsigned_n): ... this.
232         (crc32_unsigned, crc32_byte): Remove.
233         (crc32_string): Remove unnecessary braces.
235 2017-04-25  Jan Hubicka  <hubicka@ucw.cz>
237         * ipa-cp.c (estimate_local_effects): Convert sreal to int.
238         * ipa-inline-analysis.c (MAX_TIME): Remove.
239         (account_size_time): Use sreal for time.
240         (dump_inline_summary): Update.
241         (estimate_function_body_sizes): Update.
242         (estimate_edge_size_and_time): Update.
243         (estimate_calls_size_and_time): Update.
244         (estimate_node_size_and_time): Update.
245         (inline_merge_summary): Update.
246         (inline_update_overall_summary): Update.
247         (estimate_time_after_inlining): Update.
248         (inline_read_section): Update.
249         (inline_write_summary): Update.
250         * ipa-inline.c (compute_uninlined_call_time): Update.
251         (compute_inlined_call_time): Update.
252         (recursive_inlining): Update.
253         (inline_small_functions): Update.
254         (dump_overall_stats): Update.
255         * ipa-inline.h: Include sreal.h.
256         (size_time_entry): Turn time to sreal.
257         (inline_summary): Turn self_time nad time to sreal.
259 2017-04-25  Jan Hubicka  <hubicka@ucw.cz>
261         * sreal.c: Include backend.h, tree.h, gimple.h, cgraph.h and
262         data-streamer.h
263         (sreal::stream_out, sreal::stream_in): New.
264         * sreal.h (sreal::stream_out, sreal::stream_in): Declare.
266 2017-04-25  Jakub Jelinek  <jakub@redhat.com>
268         * Makefile.in (s-options): Invoke opt-gather.awk with LC_ALL=C in the
269         environment.
271 2017-04-25  Uros Bizjak  <ubizjak@gmail.com>
273         PR target/70799
274         * config/i386/i386.c (dimode_scalar_to_vector_candidate_p):
275         Handle ASHIFTRT.
276         (dimode_scalar_chain::compute_convert_gain): Ditto.
277         (dimode_scalar_chain::make_vector_copies): Ditto.
278         (dimode_scalar_chain::convert_reg): Ditto.
279         (dimode_scalar_chain::convert_insn): Ditto.
280         * config/i386/sse.md (VI24_AVX512BW_1): Remove mode iterator.
281         (VI248_AVX512BW_1): New mode iterator.
282         (<mask_codefor>ashr<mode>3<mask_name>): Merge insn pattern with
283         <mask_codefor>ashrv2di3<mask_name> insn using VI248_AVX512BW_1
284         mode iterator.
286 2017-04-25  Martin Sebor  <msebor@redhat.com>
288         PR tree-optimization/80497
289         * gimple-ssa-sprintf.c (get_int_range): Avoid assuming all integer
290         constants are representable in HOST_WIDE_INT.
291         (parse_directive): Ditto.
293 2017-04-25  Martin Sebor  <msebor@redhat.com>
295         PR bootstrap/80486
296         * dominance.c (dom_info::m_n_basic_blocks): Change type to unsigned.
297         (new_zero_array): Adjust signature.
298         (dom_info::dom_init): Used unsigned rather that size_t.
299         (dom_info::dom_info): Same.
301 2017-04-25  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
302             Jakub Jelinek  <jakub@redhat.com>
304         PR target/77728
305         * config/arm/arm.c: Include gimple.h.
306         (aapcs_layout_arg): Emit -Wpsabi note if arm_needs_doubleword_align
307         returns negative, increment ncrn only if it returned positive.
308         (arm_needs_doubleword_align): Return int instead of bool,
309         ignore DECL_ALIGN of non-FIELD_DECL TYPE_FIELDS chain
310         members, but if there is any such non-FIELD_DECL
311         > PARM_BOUNDARY aligned decl, return -1 instead of false.
312         (arm_function_arg): Emit -Wpsabi note if arm_needs_doubleword_align
313         returns negative, increment nregs only if it returned positive.
314         (arm_setup_incoming_varargs): Likewise.
315         (arm_function_arg_boundary): Emit -Wpsabi note if
316         arm_needs_doubleword_align returns negative, return
317         DOUBLEWORD_ALIGNMENT only if it returned positive.
319 2017-04-25  Marek Polacek  <polacek@redhat.com>
321         PR sanitizer/80349
322         * fold-const.c (fold_binary_loc) <case BIT_IOR_EXPR>: Convert arg0's
323         first argument to type.
325 2017-04-25  Bill Seurer  <seurer@linux.vnet.ibm.com>
327         PR target/80482
328         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Change
329         type checks to test for compatibility instead of equality.
331 2017-04-25  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
332             Jakub Jelinek  <jakub@redhat.com>
334         PR target/77728
335         * config/aarch64/aarch64.c (struct aarch64_fn_arg_alignment): New
336         type.
337         (aarch64_function_arg_alignment): Return aarch64_fn_arg_alignment
338         struct.  Ignore DECL_ALIGN of decls other than FIELD_DECL for
339         the alignment computation, but return their maximum in warn_alignment.
340         (aarch64_layout_arg): Adjust aarch64_function_arg_alignment caller.
341         Emit a -Wpsabi note if warn_alignment is 16 bytes, but alignment
342         is smaller.
343         (aarch64_function_arg_boundary): Likewise.  Simplify using MIN/MAX.
344         (aarch64_gimplify_va_arg_expr): Adjust aarch64_function_arg_alignment
345         caller.
347 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
349         * config/arc/simdext.md (dmpyh): Fix typo.
351 2017-04-25  Richard Biener  <rguenther@suse.de>
353         PR tree-optimization/80492
354         * alias.c (compare_base_decls): Handle registers with asm
355         specification conservatively.
356         * tree-ssa-alias.c (decl_refs_may_alias_p): Handle
357         compare_base_decls returning dont-know properly.
359 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
361         * config/arc/arc.c (LEGITIMATE_OFFSET_ADDRESS_P): Delete macro.
362         (legitimate_offset_address_p): New function.
363         (arc_legitimate_address_p): Use above function.
365 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
367         * config/arc/arc.c (arc_output_mi_thunk): Emit PIC calls.
369 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
371         * config/arc/arc.c (arc_conditional_register_usage): Use ACCL,
372         ACCH registers whenever they are available.
374 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
376         * config/arc/arc.c (arc_conditional_register_usage): Make D0, D1
377         double regs fix when not used.
379 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
381         * config/arc/arc.h (REGNO_OK_FOR_BASE_P): Consider also extension
382         core registers.
383         (REG_OK_FOR_INDEX_P_NONSTRICT): Likewise.
384         (REG_OK_FOR_BASE_P_NONSTRICT): Likewise.
386 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
388         * config/arc/arc.c (arc_output_addsi): Check for h-register class
389         when emitting short ADD instructions.
391 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
393         * config/arc/arc.md (cmpsi_cc_insn_mixed): Use 'h' register
394         constraint.
395         (cmpsi_cc_c_insn): Likewise.
396         (cbranchsi4_scratch): Compute proper instruction length using
397         compact_hreg_operand.
398         * config/arc/predicates.md (compact_hreg_operand): New predicate.
400 2017-04-25  Richard Biener  <rguenther@suse.de>
402         PR middle-end/80509
403         * passes.c (pass_manager::pass_manager): Initialize
404         m_name_to_pass_map.
406 2017-04-25  Richard Biener  <rguenther@suse.de>
408         PR tree-optimization/79201
409         * tree-ssa-sink.c (statement_sink_location): Handle calls.
411 2017-04-25  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
413         PR target/80464
414         * config/s390/vector.md: Split MEM->GPR vector moves for
415         non-s_operand addresses.
417 2017-04-25  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
419         PR target/79895
420         * config/s390/predicates.md (reload_const_wide_int_operand): New
421         predicate.
422         * config/s390/s390.md ("movti"): Remove d/P alternative.
423         ("movti_bigconst"): New pattern definition.
425 2017-04-25  Dominik Vogt  <vogt@linux.vnet.ibm.com>
427         PR target/80080
428         * s390-protos.h (s390_expand_cs_hqi): Removed.
429         (s390_expand_cs, s390_expand_atomic_exchange_tdsi): New prototypes.
430         * config/s390/s390.c (s390_emit_compare_and_swap): Handle all integer
431         modes as well as CCZ1mode and CCZmode.
432         (s390_expand_atomic_exchange_tdsi, s390_expand_atomic): Adapt to new
433         signature of s390_emit_compare_and_swap.
434         (s390_expand_cs_hqi): Likewise, make static.
435         (s390_expand_cs_tdsi): Generate an explicit compare before trying
436         compare-and-swap, in some cases.
437         (s390_expand_cs): Wrapper function.
438         (s390_expand_atomic_exchange_tdsi): New backend specific expander for
439         atomic_exchange.
440         (s390_match_ccmode_set): Allow CCZmode <-> CCZ1 mode.
441         * config/s390/s390.md ("atomic_compare_and_swap<mode>"): Merge the
442         patterns for small and large integers.  Forbid symref memory operands.
443         Move expander to s390.c.  Require cc register.
444         ("atomic_compare_and_swap<DGPR:mode><CCZZ1:mode>_internal")
445         ("*atomic_compare_and_swap<TDI:mode><CCZZ1:mode>_1")
446         ("*atomic_compare_and_swapdi<CCZZ1:mode>_2")
447         ("*atomic_compare_and_swapsi<CCZZ1:mode>_3"): Use s_operand to forbid
448         symref memory operands.  Remove CC mode and call s390_match_ccmode
449         instead.
450         ("atomic_exchange<mode>"): Allow and implement all integer modes.
452 2017-04-25  Dominik Vogt  <vogt@linux.vnet.ibm.com>
454         * config/s390/s390.md (define_peephole2): New peephole to help
455         combining the load-and-test pattern with volatile memory.
457 2017-04-25  Dominik Vogt  <vogt@linux.vnet.ibm.com>
459         * config/s390/s390.md ("cstorecc4"): Use load-on-condition and deal
460         with CCZmode for TARGET_Z196.
462 2017-04-25  Jakub Jelinek  <jakub@redhat.com>
464         PR rtl-optimization/80501
465         * combine.c (make_compound_operation_int): Set subreg_code to SET
466         even for AND with mask of the sign bit of mode.
468         PR rtl-optimization/80500
469         * loop-unroll.c (combine_var_copies_in_loop_exit): Call copy_rtx on
470         sum's initial value.
472 2017-04-25  Julian Brown  <julian@codesourcery.com>
473             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
475         * config/aarch64/thunderx2t99.md (thunderx2t99_crc): New Reservation.
477 2017-04-25  Marc Glisse  <marc.glisse@inria.fr>
479         * fold-const.c (tree_single_nonzero_warnv_p): Handle SSA_NAME.
481 2017-04-25  Julian Brown  <julian@codesourcery.com>
482             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
484         * config/aarch64/thunderx2t99.md (thunderx2t99_aes): New Reservation.
485         (thunderx2t99_sha): New Reservation.
487 2017-04-25  Julian Brown  <julian@codesourcery.com>
488             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
490         * config/aarch64/aarch64-simd.md (aarch64_simd_vec_set<mode>): Fix
491         type for 1-element load.
493 2017-04-24  Marc Glisse  <marc.glisse@inria.fr>
495         * match.pd (X/[ex]C CMP Y/[ex]C): New transformation.
497 2017-04-24  Martin Jambor  <mjambor@suse.cz>
499         PR tree-optimization/80293
500         * tree-sra.c (scalarizable_type_p): New parameter const_decl, make
501         char arrays not totally scalarizable if it is false.
502         (analyze_all_variable_accesses): Pass correct value in the new
503         parameter.  Add a statistics counter.
505 2017-04-24  Jan Hubicka  <hubicka@ucw.cz>
507         PR middle-end/79931
508         * ipa-devirt.c (dump_possible_polymorphic_call_targets): Fix ICE.
510 2017-04-24  Richard Biener  <rguenther@suse.de>
512         PR tree-optimization/80494
513         * tree-scalar-evolution.c (analyze_scalar_evolution_1): Bail
514         out for complex types.
516 2017-04-24  Richard Biener  <rguenther@suse.de>
518         * tree-ssa-sccvn.h (run_scc_vn): Adjust prototype.
519         * tree-ssa-sccvn.c (print_scc): Print SCC size.
520         (extract_and_process_scc_for_name): Never fail but drop SCC to varying.
521         (DFS): Adjust and never fail.
522         (sccvn_dom_walker::fail): Remove.
523         (sccvn_dom_walker::before_dom_children): Adjust.
524         (run_scc_vn): Likewise and never fail.
525         * tree-ssa-pre.c (pass_pre::execute): Adjust.
526         (pass_fre::execute): Likewise.
528 2017-04-24  Richard Biener  <rguenther@suse.de>
530         PR tree-optimization/79725
531         * tree-ssa-sink.c (statement_sink_location): Return whether
532         failure reason was zero uses.  Move that check later.
533         (sink_code_in_bb): Deal with zero uses by removing the stmt
534         if possible.
536 2017-04-24  Richard Biener  <rguenther@suse.de>
538         PR c++/2972
539         * tree-ssa-uninit.c (warn_uninitialized_vars): Handle some
540         pointer-based references.
542 2017-04-24  Richard Biener  <rguenther@suse.de>
544         PR bootstrap/79814
545         * pass_manager.h (pass_manager::operator new): Remove.
546         (pass_manager::operator delete): Likewise.
547         * passes.c (pass_manager::operator new): Remove.
548         (pass_manager::operator delete): Likewise.
549         (pass_manager::pass_manager): Zero individual pass members.
551 2017-04-23  Uros Bizjak  <ubizjak@gmail.com>
553         PR target/70799
554         * config/i386/i386.c (dimode_scalar_to_vector_candidate_p)
555         <case ASHIFT, case LSHIFTRT>: Also consider variable shifts.
556         Check "XEXP (src, 1)" operand here.
557         <case PLUS, case MINUS, case IOR, case XOR, case AND>:
558         Check "XEXP (src, 1)" operand here.
559         (dimode_scalar_chain::make_vector_copies): Detect count register
560         of a shift instruction.  Zero extend count register from QImode
561         to DImode to satisfy vector shift pattern count operand predicate.
562         Substitute vector shift count operand with a DImode copy.
563         (dimode_scalar_chain::convert_reg): Ditto, zero-extend from
564         vector register.
566 2017-04-21  Uros Bizjak  <ubizjak@gmail.com>
568         * config/i386/i386.md (*extzvqi_mem_rex64): Move above *extzv<mode>.
569         Remove UNSPEC_NOREX_MEM tag.  Update corresponding peephole2 pattern.
570         (*insvqi_1_mem_rex64): Move above insv<mode>_1.  Remove
571         UNSPEC_NOREX_MEM tag.  Update corresponding peephole2 pattern.
572         (UNSPEC_NOREX_MEM): Remove definition.
574 2017-04-21  Richard Biener  <rguenther@suse.de>
576         PR tree-optimization/79547
577         * tree-ssa-structalias.c (find_func_aliases_for_builtin_call):
578         Handle strlen, strcmp, strncmp, strcasecmp, strncasecmp, memcmp,
579         bcmp, strspn, strcspn, __builtin_object_size and __builtin_constant_p
580         without any constraints.
582 2017-04-21  Richard Biener  <rguenther@suse.de>
584         PR tree-optimization/78847
585         * fold-const.c (split_tree): Handle POINTER_PLUS_EXPR.
587 2017-04-21  Richard Biener  <rguenther@suse.de>
589         * tree.h (build_qualified_type): Annotate with CXX_MEM_STAT_INFO.
590         (build_distinct_type_copy): Likewise.
591         (build_variant_type_copy): Likewise.
592         * tree.c (build_qualified_type): Pass down mem-stat info.
593         (build_distinct_type_copy): Likewise.
594         (build_variant_type_copy): Likewise.
596 2017-04-21  Richard Biener  <rguenther@suse.de>
598         PR tree-optimization/80237
599         * tree-ssa-pre.c (find_leader_in_sets): Add third set argument,
600         defaulted to NULL.
601         (phi_translate_1): Also allow a leader in AVAIL_OUT of pred
602         for a simplified result.
604 2016-04-21  Richard Biener  <rguenther@suse.de>
606         * tree-ssa-loop-ivcanon.c (constant_after_peeling): Do not require
607         sth as strict as a simple_iv but a chrec without symbols and an
608         operand defined in the loop we are peeling (and not some subloop).
609         (propagate_constants_for_unrolling): Propagate all constants.
611 2017-04-20  Uros Bizjak  <ubizjak@gmail.com>
613         PR target/79804
614         * config/i386/i386.c (print_reg): Remove assert for disalowed
615         regno values, call output_operand_lossage instead.
617 2017-04-20  Uros Bizjak  <ubizjak@gmail.com>
619         PR target/78090
620         * config/i386/constraints.md (Yc): New register constraint.
621         * config/i386/i386.md (*float<SWI48:mode><MODEF:mode>2_mixed):
622         Use Yc constraint for alternative 2 of operand 0.  Remove
623         preferred_for_speed attribute.
625 2017-04-20  Alexander Monakov  <amonakov@ispras.ru>
627         * omp-low.c (lower_lastprivate_clauses): Correct handling of linear and
628         lastprivate clauses in SIMT case.
630 2017-04-20  Volker Reichelt  <v.reichelt@netcologne.de>
632         * doc/invoke.texi (-Wextra-semi): Document new warning option.
634 2017-04-20  Richard Biener  <rguenther@suse.de>
636         PR tree-optimization/57796
637         * tree-vect-stmts.c (vect_model_store_cost): Cost scatters
638         as N scalar stores.
639         (vect_model_load_cost): Cost gathers as N scalar loads.
641 2017-04-20  Richard Biener  <rguenther@suse.de>
643         * ggc-page.c (ggc_allocated_p): Rename to ...
644         (safe_lookup_page_table_entry): ... this and return the lookup
645         result.
646         (gt_ggc_m_S): Use safe_lookup_page_table_entry.
648 2017-04-20  Richard Biener  <rguenther@suse.de>
650         PR tree-optimization/80453
651         * tree-ssa-sccvn.h (struct vn_phi_s): Add cclhs and ccrhs members.
652         * tree-ssa-sccvn.c (cond_stmts_equal_p): Use recorded lhs and rhs
653         from the conditions.
654         (vn_phi_eq): Pass them down.
655         (vn_phi_lookup): Record them.
656         (vn_phi_insert): Likewise.
658 2017-04-20  Matthew Fortune  <matthew.fortune@imgtec.com>
660         * config/mips/mips.c (mips_expand_vec_perm_const): Re-fix
661         uninitialized variable warning to avoid buffer overrun.
663 2017-04-20  Alexander Monakov  <amonakov@ispras.ru>
665         PR other/71250
666         * doc/invoke.texi (-Wmissing-field-initializers): Mention that warning
667         is suppressed for '{ 0 }' in C.
669 2017-04-20  Jakub Jelinek  <jakub@redhat.com>
671         * BASE-VER: Set to 8.0.0.
673 2017-04-20  Thomas Preud'homme  <thomas.preudhomme@arm.com>
675         * config/arm/arm.c (arm_elf_asm_cdtor): Create non-default
676         priority .init_array and .fini_array section with SECTION_NOTYPE
677         flag.
679 2017-04-20  Jakub Jelinek  <jakub@redhat.com>
681         PR middle-end/80423
682         * tree.h (build_array_type): Add typeless_storage default argument.
683         * tree.c (type_cache_hasher::equal): Also compare
684         TYPE_TYPELESS_STORAGE flag for ARRAY_TYPEs.
685         (build_array_type): Add typeless_storage argument, set
686         TYPE_TYPELESS_STORAGE to it, if shared also hash it, and pass to
687         recursive call.
688         (build_nonshared_array_type): Adjust build_array_type_1 caller.
689         (build_array_type): Likewise.  Add typeless_storage argument.
691 2017-04-19  Eric Botcazou  <ebotcazou@adacore.com>
692             Jakub Jelinek  <jakub@redhat.com>
694         PR tree-optimization/80426
695         * tree-vrp.c (extract_range_from_binary_expr_1): For an additive
696         operation on symbolic operands, also compute the overflow for the
697         invariant part when the operation degenerates into a negation.
699 2017-04-19  Jakub Jelinek  <jakub@redhat.com>
701         PR debug/80461
702         * dwarf2out.c (modified_type_die, gen_type_die_with_usage):
703         Check for t with zero TYPE_QUALS_NO_ADDR_SPACE.
705         PR debug/80436
706         * tree-ssa-loop-manip.c (find_uses_to_rename_def): Ignore debug uses.
708 2017-04-19  Georg-Johann Lay  <avr@gjlay.de>
710         PR target/80462
711         * config/avr/avr.c (tree.h): Include it.
712         (cgraph.h): Include it.
713         (avr_encode_section_info): Don't warn for uninitialized progmem
714         variable if it's just an alias.
716 2017-04-19  Richard Biener  <rguenther@suse.de>
718         PR ipa/65972
719         * auto-profile.c (afdo_vpt_for_early_inline): Update SSA
720         when needed by AutoPGO.
722 2017-04-19  Paulo J. Matos  <paulo@matos-sorge.com>
724         PR lto/50345
725         * doc/lto.texi: Remove an extra 'that'.
727 2017-04-19  Segher Boessenkool  <segher@kernel.crashing.org>
729         PR rtl-optimization/80429
730         * ira.c (split_live_ranges_for_shrink_wrap): Don't split regs that
731         are only used in debug insns.
733 2017-04-19  Eric Botcazou  <ebotcazou@adacore.com>
734             Vladimir Makarov  <vmakarov@redhat.com>
736         * config/sparc/predicates.md (input_operand): Add comment.  Return
737         true for any memory operand when LRA is in progress.
738         * config/sparc/sparc.c (sparc_expand_move): Minor formatting fix.
740 2017-04-18  Jeff Law  <law@redhat.com>
742         PR target/74563
743         * mips.md ({return,simple_return}_internal): Do not overwrite
744         operands[0].
746 2017-04-18  Jakub Jelinek  <jakub@redhat.com>
748         PR tree-optimization/80443
749         * tree-vrp.c (intersect_ranges): For signed 1-bit precision type,
750         instead of adding 1, subtract -1 and similarly instead of subtracting
751         1 add -1.
753 2017-04-18  Richard Sandiford  <richard.sandiford@arm.com>
755         PR rtl-optimization/80357
756         * haifa-sched.c (tmp_bitmap): New variable.
757         (model_recompute): Handle duplicate use records.
758         (alloc_global_sched_pressure_data): Initialize tmp_bitmap.
759         (free_global_sched_pressure_data): Free it.
761 2017-04-18  Bernd Edlinger  <bernd.edlinger@hotmail.de>
763         Revert:
764         2017-02-20  Bernd Edlinger  <bernd.edlinger@hotmail.de>
765         * Makefile.in (BUILD_SYSTEM_HEADER_DIR): New make variabe.
766         (LIMITS_H_TEST, if_multiarch, stmp-fixinc): Use BUILD_SYSTEM_HEADER_DIR
767         instead of SYSTEM_HEADER_DIR.
769 2017-04-18  Jeff Law  <law@redhat.com>
771         PR middle-end/80422
772         * cfgcleanup.c (try_crossjump_to_edge): Verify SRC1 and SRC2 have
773         predecessors after walking up the insn chain.
775 2017-04-18  Jakub Jelinek  <jakub@redhat.com>
777         PR debug/80263
778         * dwarf2out.c (modified_type_die): Try harder not to emit internal
779         sizetype type into debug info.
781 2017-04-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
783         PR target/80099
784         * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Eliminate
785         unneeded test for TARGET_UPPER_REGS_SF.
786         * config/rs6000/vsx.md (vsx_extract_v4sf_var): Likewise.
788 2017-04-18  Jakub Jelinek  <jakub@redhat.com>
790         PR sanitizer/80444
791         * sancov.c (sancov_pass): Use gsi_start_nondebug_after_labels_bb
792         instead of gsi_after_labels.
794 2017-04-18  Jeff Law  <law@redhat.com>
796         * regcprop.c (maybe_mode_change): Avoid creating copies of the
797         stack pointer.
799         Revert:
800         2017-04-13  Jeff Law  <law@redhat.com>
801         * config/mips.mips.md (zero_extendsidi2): Do not allow SP to appear
802         in operands[1] if it is a MEM and TARGET_MIPS16 is active.
804 2017-04-18  Georg-Johann Lay  <avr@gjlay.de>
806         PR target/79453
807         * config/avr/avr.c (intl.h): Include it.
808         (avr_pgm_check_var_decl) [reason]: Wrap diagnostic snippets into _().
810 2017-04-18  Martin Liska  <mliska@suse.cz>
812         PR gcov-profile/78783
813         * gcov-tool.c (gcov_output_files): Validate that destination
814         file is either removed by the tool or by a user.
816 2017-04-14  Andrew Burgess  <andrew.burgess@embecosm.com>
817             Guy Benyei  <guybe@mellanox.com>
819         * config/arc/arc.c (arc_reorg): Move loop_end_id into a more local
820         block, and do not negate it, the stored id is already negative.
822 2017-04-14  Andrew Burgess  <andrew.burgess@embecosm.com>
824         * config/arc/arc.md (doloop_begin_i): Use @pcl assembler syntax.
826 2017-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
828         PR target/80098
829         * config/rs6000/rs6000-cpus.def (OTHER_P9_VECTOR_MASKS): Define
830         masks of options that should be turned off if the VSX vector
831         options are turned off.
832         (OTHER_P8_VECTOR_MASKS): Likewise.
833         (OTHER_VSX_VECTOR_MASKS): Likewise.
834         * config/rs6000/rs6000.c (rs6000_option_override_internal): Call
835         rs6000_disable_incompatible_switches to validate no type switches
836         like -mvsx.
837         (rs6000_incompatible_switch): New function to disallow turning on
838         other vector options if -mno-vsx, -mno-power8-vector, or
839         -mno-power9-vector are specified.
841 2017-04-14  Claudiu Zissulescu  <claziss@synopsys.com>
843         * config/arc/arc.h (CRT_CALL_STATIC_FUNCTION): Use long calls.
845 2017-04-14  Claudiu Zissulescu  <claziss@synopsys.com>
847         * config/arc/arc-protos.h (arc_decl_pretend_args): Remove.
848         * config/arc/arc.c (arc_decl_pretend_args): Likewise.
849         * config/arc/arc.h (CFA_FRAME_BASE_OFFSET): Likewise.
850         (ARG_POINTER_CFA_OFFSET): Likewise.
852 2017-04-14  Claudiu Zissulescu  <claziss@synopsys.com>
854         * config/arc/arc.c (arc_mode_dependent_address_p): Relax
855         conditions to take advantage of various optimizations.
857 2017-04-13  Jeff Law  <law@redhat.com>
859         * config/mips.mips.md (zero_extendsidi2): Do not allow SP to appear
860         in operands[1] if it is a MEM and TARGET_MIPS16 is active.
861         (zero_extendsidi2_dext): Likewise.
863 2017-04-13  Jakub Jelinek  <jakub@redhat.com>
865         PR sanitizer/80403
866         * fold-const.c (fold_ternary_loc): Revert
867         use op0 instead of fold_convert_loc (loc, type, arg0) part of
868         2017-04-12 change.
870 2017-04-13  Vladimir Makarov  <vmakarov@redhat.com>
872         PR rtl-optimization/80343
873         * lra-remat.c (update_scratch_ops): Assign original hard reg to
874         new scratch pseudo.
876 2017-04-13  Denis Khalikov <d.khalikov@partner.samsung.com>
878         PR sanitizer/80414
879         * ubsan.c (ubsan_expand_bounds_ifn): Pass original index
880         to ubsan_encode_value.
882 2017-04-13  Jeff Law  <law@redhat.com>
884         * reload1.c (eliminate_regs_1): Call gen_rtx_raw_SUBREG for SUBREGs
885         appearing in DEBUG_INSNs.
887 2017-04-13  Martin Liska  <mliska@suse.cz>
889         PR gcov-profile/80413
890         * gcov-io.c (gcov_write_string): Copy to buffer just when
891         allocated size is greater than zero.
893 2017-04-13  Jakub Jelinek  <jakub@redhat.com>
895         PR debug/80321
896         * dwarf2out.c (decls_for_scope): Ignore declarations of
897         current_function_decl in BLOCK_NONLOCALIZED_VARS.
899 2017-04-12  Jan Hubicka  <hubicka@ucw.cz>
901         PR lto/69953
902         * ipa-visibility.c (non_local_p): Fix typos.
903         (localize_node): When localizing symbol in same comdat group,
904         dissolve the group only when we know external symbols are going
905         to be privatized.
906         (function_and_variable_visibility): Do not localize DECL_EXTERNAL.
908 2017-04-12  Jakub Jelinek  <jakub@redhat.com>
910         PR tree-optimization/79390
911         * optabs.c (emit_conditional_move): If the preferred op2/op3 operand
912         order does not result in usable sequence, retry with reversed operand
913         order.
915         PR sanitizer/80403
916         PR sanitizer/80404
917         PR sanitizer/80405
918         * fold-const.c (fold_ternary_loc): Use op1 instead of arg1 as argument
919         to fold_build2_loc.  Convert TREE_OPERAND (tem, 0) to type.  Use
920         op0 instead of fold_convert_loc (loc, type, arg0).
922 2017-04-12  Jeff Law  <law@redhat.com>
924         * genattrtab.c (write_eligible_delay): Verify DELAY_INSN still
925         has a delay slot in the generated code.
927         * config/cris/cris.md (cris_preferred_reload_class): Return
928         GENNONACR_REGS rather than GENERAL_REGS.
930 2017-04-12  Jakub Jelinek  <jakub@redhat.com>
932         PR c/80163
933         * expr.c <CASE_CONVERT>: For EXPAND_INITIALIZER determine SIGN_EXTEND
934         vs. ZERO_EXTEND based on signedness of treeop0's type rather than
935         signedness of the result type.
937 2017-04-12  Richard Biener  <rguenther@suse.de>
938             Jeff Law  <law@redhat.com>
940         PR tree-optimization/80359
941         * tree-ssa-dse.c (maybe_trim_partially_dead_store): Do not
942         trim stores to TARGET_MEM_REFs.
944 2017-04-12  Richard Biener  <rguenther@suse.de>
946         PR tree-optimization/79390
947         * gimple-ssa-split-paths.c (is_feasible_trace): Restrict
948         threading case even more.
950 2017-04-12  Segher Boessenkool  <segher@kernel.crashing.org>
952         PR target/80382
953         * config/rs6000/sync.md (atomic_load<mode>, atomic_store<mode): Test
954         for quad_address_p for TImode, instead of just not indexed_address.
956 2017-04-12  Richard Biener  <rguenther@suse.de>
957             Bernd Edlinger  <bernd.edlinger@hotmail.de>
959         PR middle-end/79671
960         * alias.c (component_uses_parent_alias_set_from): Handle
961         TYPE_TYPELESS_STORAGE.
962         (get_alias_set): Likewise.
963         * tree-core.h (tree_type_common): Add typeless_storage flag.
964         * tree.h (TYPE_TYPELESS_STORAGE): New macro.
965         * stor-layout.c (place_union_field): Set TYPE_TYPELESS_STORAGE
966         for types containing members with TYPE_TYPELESS_STORAGE.
967         (place_field): Likewise.
968         (layout_type): Likewise for ARRAY_TYPE.
969         * lto-streamer-out.c (hash_tree): Hash TYPE_TYPELESS_STORAGE.
970         * tree-streamer-in.c (unpack_ts_type_common_value_fields): Stream
971         TYPE_TYPELESS_STORAGE.
972         * tree-streamer-out.c (pack_ts_type_common_value_fields): Likewise.
974 2017-04-12  Jakub Jelinek  <jakub@redhat.com>
976         PR sanitizer/80349
977         * fold-const.c (fold_binary_loc) <case BIT_IOR_EXPR>: Convert arg0's
978         first argument to type.
980 2017-04-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
982         PR target/80376
983         PR target/80315
984         * config/rs6000/rs6000.c (rs6000_expand_unop_builtin): Return
985         CONST0_RTX (mode) rather than const0_rtx where appropriate.
986         (rs6000_expand_binop_builtin): Likewise.
987         (rs6000_expand_ternop_builtin): Likewise; also add missing
988         vsx_xxpermdi_* variants; also fix typo (arg1 => arg2) for
989         vshasigma built-ins.
990         * doc/extend.texi: Document that vec_xxpermdi's third argument
991         must be a constant.
993 2017-04-11  Uros Bizjak  <ubizjak@gmail.com>
995         * config/i386/i386.c (dimode_scalar_chain::compute_convert_gain):
996         Use shift_const cost parameter when calculating gain of STV shifts.
998 2017-04-11  Vladimir Makarov  <vmakarov@redhat.com>
1000         PR rtl-optimization/70478
1001         * lra-constraints.c (process_alt_operands): Check memory for
1002         disfavoring memory insn operand.
1004 2017-04-11  Jakub Jelinek  <jakub@redhat.com>
1006         PR middle-end/80100
1007         * simplify-rtx.c (simplify_binary_operation_1) <case IOR>: Perform
1008         left shift in unsigned HOST_WIDE_INT type.
1010         PR rtl-optimization/80385
1011         * simplify-rtx.c (simplify_unary_operation_1): Don't transform
1012         (not (neg X)) into (plus X -1) for complex or non-integral modes.
1014         PR libgomp/80394
1015         * omp-low.c (scan_omp_task): Don't optimize away empty tasks
1016         if they have any depend clauses.
1018 2017-04-11  Martin Liska  <mliska@suse.cz>
1020         PR ipa/80212
1021         * cgraph.c (cgraph_node::dump): Dump calls_comdat_local.
1022         * ipa-split.c (split_function): Create a local comdat symbol
1023         if caller is in a comdat group.
1025 2017-04-11  Martin Liska  <mliska@suse.cz>
1027         PR ipa/80212
1028         * ipa-cp.c (determine_versionability): Handle calls_comdat_local
1029         flags.
1031 2017-04-11  Martin Sebor  <msebor@redhat.com>
1033         PR middle-end/80364
1034         * gimple-ssa-sprintf.c (get_int_range): Remove second argument and
1035         always use the int type.  Use INTEGRAL_TYPE_P() rather than testing
1036         for INTEGER_TYPE.
1037         (directive::set_width, directive::set_precision, format_character):
1038         Adjust.
1039         (parse_directive): Use INTEGRAL_TYPE_P() rather than testing for
1040         INTEGER_TYPE.
1042 2017-04-11  Richard Earnshaw  <rearnsha@arm.com>
1044         PR target/80389
1045         * config/arm/arm.c (arm_configure_build_target): When -mcpu and -arch
1046         conflict, set target->arch_name instead of target->cpu_name.
1048 2017-04-11  Richard Biener  <rguenther@suse.de>
1050         PR tree-optimization/80374
1051         * tree-ssa-dom.c (derive_equivalences_from_bit_ior): Use
1052         build_zero_cst, remove fold_convertible_p check again.
1054 2017-04-11  Martin Liska  <mliska@suse.cz>
1056         PR sanitizer/70878
1057         * ubsan.c (instrument_object_size): Do not instrument register
1058         variables.
1060 2017-04-11  Jakub Jelinek  <jakub@redhat.com>
1062         PR target/80381
1063         * config/i386/i386-builtin-types.def
1064         (V16HI_FTYPE_V16HI_INT_V16HI_UHI_COUNT,
1065         V16HI_FTYPE_V16HI_V8HI_V16HI_UHI_COUNT,
1066         V16SI_FTYPE_V16SI_INT_V16SI_UHI_COUNT,
1067         V16SI_FTYPE_V16SI_V4SI_V16SI_UHI_COUNT,
1068         V2DI_FTYPE_V2DI_INT_V2DI_UQI_COUNT,
1069         V2DI_FTYPE_V2DI_V2DI_V2DI_UQI_COUNT,
1070         V32HI_FTYPE_V32HI_INT_V32HI_USI_COUNT,
1071         V32HI_FTYPE_V32HI_V8HI_V32HI_USI_COUNT,
1072         V4DI_FTYPE_V4DI_INT_V4DI_UQI_COUNT,
1073         V4DI_FTYPE_V4DI_V2DI_V4DI_UQI_COUNT,
1074         V4SI_FTYPE_V4SI_INT_V4SI_UQI_COUNT,
1075         V4SI_FTYPE_V4SI_V4SI_V4SI_UQI_COUNT,
1076         V8DI_FTYPE_V8DI_INT_V8DI_UQI_COUNT,
1077         V8DI_FTYPE_V8DI_V2DI_V8DI_UQI_COUNT,
1078         V8HI_FTYPE_V8HI_INT_V8HI_UQI_COUNT,
1079         V8HI_FTYPE_V8HI_V8HI_V8HI_UQI_COUNT,
1080         V8SI_FTYPE_V8SI_INT_V8SI_UQI_COUNT,
1081         V8SI_FTYPE_V8SI_V4SI_V8SI_UQI_COUNT): New function type aliases.
1082         * config/i386/i386-builtin.def (__builtin_ia32_pslld512_mask,
1083         __builtin_ia32_pslldi512_mask, __builtin_ia32_psllq512_mask,
1084         __builtin_ia32_psllqi512_mask, __builtin_ia32_psrad512_mask,
1085         __builtin_ia32_psradi512_mask, __builtin_ia32_psraq512_mask,
1086         __builtin_ia32_psraqi512_mask, __builtin_ia32_psrld512_mask,
1087         __builtin_ia32_psrldi512_mask, __builtin_ia32_psrlq512_mask,
1088         __builtin_ia32_psrlqi512_mask, __builtin_ia32_psllwi128_mask,
1089         __builtin_ia32_pslldi128_mask, __builtin_ia32_psllqi128_mask,
1090         __builtin_ia32_psllw128_mask, __builtin_ia32_pslld128_mask,
1091         __builtin_ia32_psllq128_mask, __builtin_ia32_psllwi256_mask,
1092         __builtin_ia32_psllw256_mask, __builtin_ia32_pslldi256_mask,
1093         __builtin_ia32_pslld256_mask, __builtin_ia32_psllqi256_mask,
1094         __builtin_ia32_psllq256_mask, __builtin_ia32_psradi128_mask,
1095         __builtin_ia32_psrad128_mask, __builtin_ia32_psradi256_mask,
1096         __builtin_ia32_psrad256_mask, __builtin_ia32_psraqi128_mask,
1097         __builtin_ia32_psraq128_mask, __builtin_ia32_psraqi256_mask,
1098         __builtin_ia32_psraq256_mask, __builtin_ia32_psrldi128_mask,
1099         __builtin_ia32_psrld128_mask, __builtin_ia32_psrldi256_mask,
1100         __builtin_ia32_psrld256_mask, __builtin_ia32_psrlqi128_mask,
1101         __builtin_ia32_psrlq128_mask, __builtin_ia32_psrlqi256_mask,
1102         __builtin_ia32_psrlq256_mask, __builtin_ia32_psrawi256_mask,
1103         __builtin_ia32_psraw256_mask, __builtin_ia32_psrawi128_mask,
1104         __builtin_ia32_psraw128_mask, __builtin_ia32_psrlwi256_mask,
1105         __builtin_ia32_psrlw256_mask, __builtin_ia32_psrlwi128_mask,
1106         __builtin_ia32_psrlw128_mask, __builtin_ia32_psllwi512_mask,
1107         __builtin_ia32_psllw512_mask, __builtin_ia32_psrawi512_mask,
1108         __builtin_ia32_psraw512_mask, __builtin_ia32_psrlwi512_mask,
1109         __builtin_ia32_psrlw512_mask): Use _COUNT suffixed function type
1110         aliases.
1111         * config/i386/i386.c (ix86_expand_args_builtin): Rename last_arg_count
1112         flag to second_arg_count, handle 4 argument function type _COUNT
1113         aliases, handle second_arg_count on second argument rather than last.
1115 2017-04-10  Jeff Law  <law@redhat.com>
1117         PR tree-optimization/80374
1118         * tree-ssa-dom.c (derive_equivalences_from_bit_ior): Do not try to
1119         record anything if we can not convert integer_zero_node to the
1120         desired type.
1122 2017-04-10  Kelvin Nilsen  <kelvin@gcc.gnu.org>
1124         PR target/80108
1125         * config/rs6000/rs6000.c (rs6000_option_override_internal):
1126         Enhance special handling given to the TARGET_P9_MINMAX option in
1127         relation to certain other options.
1129 2017-04-10  Bin Cheng  <bin.cheng@arm.com>
1131         PR tree-optimization/80153
1132         * tree-ssa-loop-ivopts.c (add_iv_candidate_for_use): Check and
1133         remove POINTER_PLUS_EXPR's base part directly, rather than through
1134         aff_tree.
1136 2017-04-10  Richard Biener  <rguenther@suse.de>
1137             Bin Cheng  <bin.cheng@arm.com>
1139         PR tree-optimization/80153
1140         * tree-affine.c (aff_combination_to_tree): Get base pointer from
1141         the first element of pointer type aff_tree.  Build result expr in
1142         aff_tree's type.
1143         (add_elt_to_tree): Convert to type unconditionally.  Remove other
1144         fold_convert calls.
1145         * tree-ssa-loop-ivopts.c (alloc_iv): Pass in consistent types.
1146         (rewrite_use_nonlinear_expr): Check invariant using iv information.
1148 2017-04-10  Richard Biener  <rguenther@suse.de>
1150         * tree-ssa-structalias.c (find_func_aliases): Properly handle
1151         asm inputs.
1153 2017-04-10  Vladimir Makarov  <vmakarov@redhat.com>
1155         PR rtl-optimization/70478
1156         * lra-constraints.c (curr_small_class_check): New.
1157         (update_and_check_small_class_inputs): New.
1158         (process_alt_operands): Update curr_small_class_check.  Disfavor
1159         alternative insn memory operands.  Check available regs for small
1160         class operands.
1162 2017-03-31  Matthew Fortune  <matthew.fortune@imgtec.com>
1164         PR target/80057
1165         * config/mips/mips.opt (-mvirt): Update description.
1166         * doc/invoke.texi (-mvirt): Likewise.
1168 2017-04-10  Richard Biener  <rguenther@suse.de>
1170         PR middle-end/80362
1171         * fold-const.c (fold_binary_loc): Look at unstripped ops when
1172         looking for NEGATE_EXPR in -A / -B to A / B folding.
1174 2017-04-10  Martin Liska  <mliska@suse.cz>
1176         PR gcov-profile/80224
1177         * gcov.c (print_usage): Fix usage string.
1178         (get_gcov_intermediate_filename): Remove.
1179         (output_gcov_file): Use both for normal and intermediate format.
1180         (generate_results): Do not initialize special file for
1181         intermediate format.
1183 2017-04-10  Richard Biener  <rguenther@suse.de>
1185         PR tree-optimization/80304
1186         * tree-ssa-loop-im.c (ref_indep_loop_p_1): Also recurse
1187         for safelen.
1189 2017-04-10  Nathan Sidwell  <nathan@acm.org>
1191         PR target/79905
1192         * config/rs6000/rs6000.c (rs6000_vector_type): New.
1193         (rs6000_init_builtins): Use it.
1195 2016-04-10  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1197         * config/arm/arm.md (<mrc>): Add mode to SET source.
1198         (<mrrc>): Likewise.
1200 2017-04-10  Richard Biener  <rguenther@suse.de>
1202         PR middle-end/80344
1203         * gimplify.c (is_gimple_mem_rhs_or_call): Allow CLOBBERs.
1205 2017-04-10  Jakub Jelinek  <jakub@redhat.com>
1207         PR target/80324
1208         * config/i386/avx512fintrin.h (_mm512_reduce_add_epi32,
1209         _mm512_reduce_mul_epi32, _mm512_reduce_and_epi32,
1210         _mm512_reduce_or_epi32, _mm512_mask_reduce_add_epi32,
1211         _mm512_mask_reduce_mul_epi32, _mm512_mask_reduce_and_epi32,
1212         _mm512_mask_reduce_or_epi32, _mm512_reduce_min_epi32,
1213         _mm512_reduce_max_epi32, _mm512_reduce_min_epu32,
1214         _mm512_reduce_max_epu32, _mm512_mask_reduce_min_epi32,
1215         _mm512_mask_reduce_max_epi32, _mm512_mask_reduce_min_epu32,
1216         _mm512_mask_reduce_max_epu32, _mm512_reduce_add_ps,
1217         _mm512_reduce_mul_ps, _mm512_mask_reduce_add_ps,
1218         _mm512_mask_reduce_mul_ps, _mm512_reduce_min_ps, _mm512_reduce_max_ps,
1219         _mm512_mask_reduce_min_ps, _mm512_mask_reduce_max_ps,
1220         _mm512_reduce_add_epi64, _mm512_reduce_mul_epi64,
1221         _mm512_reduce_and_epi64, _mm512_reduce_or_epi64,
1222         _mm512_mask_reduce_add_epi64, _mm512_mask_reduce_mul_epi64,
1223         _mm512_mask_reduce_and_epi64, _mm512_mask_reduce_or_epi64,
1224         _mm512_reduce_min_epi64, _mm512_reduce_max_epi64,
1225         _mm512_mask_reduce_min_epi64, _mm512_mask_reduce_max_epi64,
1226         _mm512_reduce_min_epu64, _mm512_reduce_max_epu64,
1227         _mm512_mask_reduce_min_epu64, _mm512_mask_reduce_max_epu64,
1228         _mm512_reduce_add_pd, _mm512_reduce_mul_pd, _mm512_mask_reduce_add_pd,
1229         _mm512_mask_reduce_mul_pd, _mm512_reduce_min_pd, _mm512_reduce_max_pd,
1230         _mm512_mask_reduce_min_pd, _mm512_mask_reduce_max_pd): New intrinsics.
1232 2017-04-08  Vladimir Makarov  <vmakarov@redhat.com>
1234         PR rtl-optimization/70478
1235         * lra-constraints.c: Reverse the last patch.
1237 2017-04-08  Andreas Tobler  <andreast@gcc.gnu.org>
1239         * config/aarch64/aarch64-freebsd.h: Define MCOUNT_NAME.
1240         Add comment for WCHAR_T.
1242 2017-04-08  Martin Liska  <mliska@suse.cz>
1244         Revert:
1245         2017-04-07  Martin Liska  <mliska@suse.cz>
1247         PR ipa/80212
1248         * ipa-split.c (split_function): Add function part to a same comdat
1249         group.
1251 2017-04-08  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
1253         PR target/80358
1254         * config/rs6000/rs6000.c (expand_block_compare): Fix boundary check.
1256 2017-04-07  Pat Haugen  <pthaugen@us.ibm.com>
1258         * rs6000/rs6000.c (vec_load_pendulum): Rename...
1259         (vec_pairing): ...to this.
1260         (power9_sched_reorder2): Rewrite code for pairing vector/vecload insns.
1261         (rs6000_sched_init): Adjust for name change.
1262         (struct rs6000_sched_context): Likewise.
1263         (rs6000_init_sched_context): Likewise.
1264         (rs6000_set_sched_context): Likewise.
1266 2017-04-07  Jakub Jelinek  <jakub@redhat.com>
1268         PR target/80322
1269         PR target/80323
1270         PR target/80325
1271         PR target/80326
1272         * config/i386/avxintrin.h (_mm256_cvtsd_f64, _mm256_cvtss_f32): New
1273         intrinsics.
1274         * config/i386/avx512fintrin.h (_mm512_int2mask, _mm512_mask2int,
1275         _mm512_abs_ps, _mm512_mask_abs_ps, _mm512_abs_pd, _mm512_mask_abs_pd,
1276         _mm512_cvtsd_f64, _mm512_cvtss_f32): Likewise.
1278 2017-04-07  Andreas Tobler  <andreast@gcc.gnu.org>
1280         * config/aarch64/aarch64-freebsd.h: Define WCHAR_TYPE.
1282 2017-04-07  Vladimir Makarov  <vmakarov@redhat.com>
1284         PR rtl-optimization/70703
1285         * ira-color.c (update_conflict_hard_regno_costs): Use
1286         int64_t instead of HOST_WIDE_INT.
1288 2017-04-07  Vladimir Makarov  <vmakarov@redhat.com>
1290         PR rtl-optimization/70478
1291         * lra-constraints.c (process_alt_operands): Disfavor alternative
1292         insn memory operands.
1294 2017-04-07  Jeff Law  <law@redhat.com>
1296         * config/iq2000/iq2000.c (final_prescan_insn): Do not separate a
1297         CALL and NOTE_INSN_CALL_ARG_LOCATION.
1299 2017-04-07  Martin Liska  <mliska@suse.cz>
1301         PR target/79889
1302         * config/aarch64/aarch64.c (aarch64_process_target_attr):
1303         Show error message instead of an ICE.
1305 2017-04-07  Martin Liska  <mliska@suse.cz>
1307         PR ipa/80212
1308         * ipa-split.c (split_function): Add function part to a same comdat
1309         group.
1311 2017-04-07  Richard Biener  <rguenther@suse.de>
1313         PR middle-end/80341
1314         * tree.c (get_unwidened): Also handle ! for_type case for
1315         INTEGER_CSTs.
1316         * convert.c (do_narrow): Split out from ...
1317         (convert_to_integer_1): ... here.  Do not pass final truncation
1318         type to get_unwidened for TRUNC_DIV_EXPR.
1320 2017-04-07  Richard Biener  <rguenther@suse.de>
1322         * tree-affine.c (wide_int_ext_for_comb): Take type rather
1323         than aff_tree.
1324         (aff_combination_const): Adjust.
1325         (aff_combination_scale): Likewise.
1326         (aff_combination_add_elt): Likewise.
1327         (aff_combination_add_cst): Likewise.
1328         (aff_combination_convert): Likewise.
1329         (add_elt_to_tree): Likewise.  Remove unused argument.
1330         (aff_combination_to_tree): Adjust calls to add_elt_to_tree.
1332 2017-04-07  Sebastian Huber  <sebastian.huber@embedded-brains.de>
1334         * config/arm/arm.h (ARM_DEFAULT_SHORT_ENUMS): Provide default
1335         definition.
1336         * config/arm/arm.c (arm_default_short_enums): Use
1337         ARM_DEFAULT_SHORT_ENUMS.
1338         * config/arm/rtems.h (ARM_DEFAULT_SHORT_ENUMS): Define.
1340 2017-04-06  Jakub Jelinek  <jakub@redhat.com>
1342         PR debug/80234
1343         * dwarf2out.c (gen_member_die): Handle C++17 inline static data
1344         members with redundant out-of-class redeclaration.
1346 2017-04-06  Uros Bizjak  <ubizjak@gmail.com>
1348         PR target/80286
1349         * config/i386/sse.md (*vec_extractv4si_0_zext_sse4): New pattern.
1350         * config/i386/i386.md (*zero_extendsidi2):
1351         Add (?*x,*x) and (?*v,*v) alternatives.
1353 2017-04-06  Uros Bizjak  <ubizjak@gmail.com>
1355         PR target/79733
1356         * config/i386/i386.c (ix86_expand_builtin)
1357         <case IX86_BUILTIN_K{,OR}TEST{C,Z}{8,16,32,64}>: Determine insn operand
1358         mode from insn data. Convert operands to insn operand mode.
1359         Copy operands that don't satisfy insn predicate to a register.
1361 2017-04-06  Sam Thursfield  <sam.thursfield@codethink.co.uk>
1363         * config/rs6000/x-aix: Increase memory limit for genautomata on AIX.
1364         Update comments.
1366 2017-04-06  Richard Biener  <rguenther@suse.de>
1368         PR tree-optimization/80334
1369         * tree-ssa-loop-ivopts.c (rewrite_use_address): Properly
1370         preserve alignment of accesses.
1372 2017-04-06  Richard Biener  <rguenther@suse.de>
1374         PR tree-optimization/80262
1375         * tree-sra.c (build_ref_for_offset): Preserve address-space
1376         information.
1377         * tree-ssa-sccvn.c (vn_reference_maybe_forwprop_address):
1378         Drop useless address-space information on MEM_REF offsets.
1380 2017-04-05  Andreas Schwab  <schwab@linux-m68k.org>
1382         * builtins.def (BUILT_IN_UPDATE_SETJMP_BUF): Fix type.
1384 2017-04-05  Vladimir Makarov  <vmakarov@redhat.com>
1386         PR rtl-optimization/70703
1387         * ira-color.c (update_conflict_hard_regno_costs): Use
1388         HOST_WIDE_INT instead of long.
1390 2017-04-05  Uros Bizjak  <ubizjak@gmail.com>
1392         PR target/80298
1393         * config/i386/mmintrin.h: Add -msse target option when __SSE__ is
1394         not defined for x86_64 target.  Add -mmmx target option when __SSE2__
1395         is not defined.
1396         * config/i386/mm3dnow.h: Add -msse target when __SSE__ is not defined
1397         for x86_64 target.  Handle -m3dnowa option.
1399 2017-04-05  Vladimir Makarov  <vmakarov@redhat.com>
1401         PR rtl-optimization/70703
1402         * ira-color.c (update_costs_from_allocno): Use the smallest mode.
1403         (update_conflict_hard_regno_costs): Use long instead of unsigned
1404         arithmetic for cost calculation.
1406 2017-04-05  Jakub Jelinek  <jakub@redhat.com>
1407             Bernd Edlinger  <bernd.edlinger@hotmail.de>
1409         PR sanitizer/80308
1410         * asan.c (asan_store_shadow_bytes): Fix location of last_chunk_value
1411         for big endian.
1413 2017-04-05  Eric Botcazou  <ebotcazou@adacore.com>
1415         PR target/78002
1416         * config/aarch64/aarch64.c (aarch64_emit_probe_stack_range): Replace
1417         ptr_mode with Pmode throughout.
1418         * config/aarch64/aarch64.md (probe_stack_range_<PTR:mode): Rename
1419         into probe_stack_range and use DImode.
1421 2017-04-05  Dominik Vogt  <vogt@linux.vnet.ibm.com>
1423         PR target/79890
1424         * config/s390/s390.c (s390_register_info_gprtofpr): Return if
1425         call_eh_return is true.
1427 2017-04-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
1429         * config/s390/s390-c.c (s390_resolve_overloaded_builtin):
1430         Initialize last_match_fntype_index.
1432 2017-04-05  Jakub Jelinek  <jakub@redhat.com>
1434         PR target/80310
1435         * tree-nvr.c: Include internal-fn.h.
1436         (pass_return_slot::execute): Ignore internal calls without
1437         direct optab.
1439 2017-04-04  Jakub Jelinek  <jakub@redhat.com>
1440             Richard Biener  <rguenther@suse.de>
1442         PR c++/80297
1443         * genmatch.c (capture::gen_transform): For GENERIC unshare_expr
1444         captures used multiple times, except for the last use.
1445         * generic-match-head.c: Include gimplify.h.
1447 2017-04-04  Jakub Jelinek  <jakub@redhat.com>
1449         PR tree-optimization/79390
1450         * target.h (struct noce_if_info): Declare.
1451         * targhooks.h (default_noce_conversion_profitable_p): Declare.
1452         * target.def (noce_conversion_profitable_p): New target hook.
1453         * ifcvt.h (struct noce_if_info): New type, moved from ...
1454         * ifcvt.c (struct noce_if_info): ... here.
1455         (noce_conversion_profitable_p): Renamed to ...
1456         (default_noce_conversion_profitable_p): ... this.  No longer
1457         static nor inline.
1458         (noce_try_store_flag_constants, noce_try_addcc,
1459         noce_try_store_flag_mask, noce_try_cmove, noce_try_cmove_arith,
1460         noce_convert_multiple_sets): Use targetm.noce_conversion_profitable_p
1461         instead of noce_conversion_profitable_p.
1462         * config/i386/i386.c: Include ifcvt.h.
1463         (ix86_option_override_internal): Don't override
1464         PARAM_MAX_RTL_IF_CONVERSION_INSNS default.
1465         (ix86_noce_conversion_profitable_p): New function.
1466         (TARGET_NOCE_CONVERSION_PROFITABLE_P): Redefine.
1467         * config/i386/x86-tune.def (X86_TUNE_ONE_IF_CONV_INSN): Adjust comment.
1468         * doc/tm.texi.in (TARGET_NOCE_CONVERSION_PROFITABLE_P): Add.
1469         * doc/tm.texi: Regenerated.
1471 2017-04-04  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1473         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Grammar
1474         correction.
1476 2017-04-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
1478         PR target/80307
1479         * config/arm/arm.c (thumb1_rtx_costs): Give a cost of 32
1480         instructions for small multiply cores.
1482 2017-04-04  Jeff Law  <law@redhat.com>
1484         * config/mips/mips.c (mips_multi_add): Zero initialize the newly
1485         added member.
1486         (mips_expand_vec_perm_const): Initialize elements in orig_perm
1487         that are not set by the loop over the elements.
1489 2017-04-04  Jakub Jelinek  <jakub@redhat.com>
1491         PR target/80286
1492         * config/i386/i386.c (ix86_expand_args_builtin): If op has scalar
1493         int mode, convert_modes it to mode as unsigned, otherwise use
1494         lowpart_subreg to mode rather than SImode.
1495         * config/i386/sse.md (<mask_codefor>ashr<mode>3<mask_name>,
1496         ashr<mode>3, ashr<mode>3<mask_name>, <shift_insn><mode>3<mask_name>):
1497         Use DImode instead of SImode for the shift count operand.
1498         * config/i386/mmx.md (mmx_ashr<mode>3, mmx_<shift_insn><mode>3):
1499         Likewise.
1501 2017-04-04  Richard Biener  <rguenther@suse.de>
1503         PR middle-end/80281
1504         * match.pd (A + (-B) -> A - B): Make sure to preserve unsigned
1505         arithmetic done for the negate or the plus.  Simplify.
1506         (A - (-B) -> A + B): Likewise.
1507         * fold-const.c (split_tree): Make sure to not negate pointers.
1509 2017-04-04  Segher Boessenkool  <segher@kernel.crashing.org>
1511         PR rtl-optimization/60818
1512         * simplify-rtx.c (simplify_binary_operation_1): Do not replace
1513         a compare of comparisons with the thing compared if this results
1514         in a different machine mode.
1516 2017-04-03  Jonathan Wakely  <jwakely@redhat.com>
1518         * alias.c (base_alias_check): Fix typo in comment.
1519         * cgraph.h (class ipa_polymorphic_call_context): Likewise.
1520         * cgraphunit.c (symbol_table::compile): Likewise.
1521         * collect2.c (maybe_run_lto_and_relink): Likewise.
1522         * config/arm/arm.c (arm_thumb1_mi_thunk): Likewise.
1523         * config/avr/avr-arch.h (avr_arch_info_t): Likewise.
1524         * config/avr/avr.c (avr_map_op_t): Likewise.
1525         * config/cr16/cr16.h (DATA_ALIGNMENT): Likewise.
1526         * config/epiphany/epiphany.c (TARGET_ARG_PARTIAL_BYTES): Likewise.
1527         * config/epiphany/epiphany.md (movcc): Likewise.
1528         * config/i386/i386.c (legitimize_pe_coff_extern_decl): Likewise.
1529         * config/m68k/m68k.c (struct _sched_ib, m68k_sched_variable_issue):
1530         Likewise.
1531         * config/mips/mips.c (mips_save_restore_reg): Likewise.
1532         * config/rx/rx.c (rx_is_restricted_memory_address): Likewise.
1533         * config/s390/s390.c (Z10_EARLYLOAD_DISTANCE): Likewise.
1534         * config/sh/sh.c (sh_rtx_costs): Likewise.
1535         * fold-const.c (fold_truth_andor): Likewise.
1536         * genautomata.c (collapse_flag): Likewise.
1537         * gengtype.h (struct type::u::s): Likewise.
1538         * gensupport.c (has_subst_attribute, add_mnemonic_string): Likewise.
1539         * input.c (FORMAT_AMOUNT): Likewise.
1540         * ipa-cp.c (class ipcp_lattice, agg_replacements_to_vector)
1541         (known_aggs_to_agg_replacement_list): Likewise.
1542         * ipa-inline-analysis.c: Likewise.
1543         * ipa-inline.h (estimate_edge_time, estimate_edge_hints): Likewise.
1544         * ipa-polymorphic-call.c
1545         (ipa_polymorphic_call_context::restrict_to_inner_class): Likewise.
1546         * loop-unroll.c (analyze_insn_to_expand_var): Likewise.
1547         * lra.c (lra_optional_reload_pseudos, lra_subreg_reload_pseudos):
1548         Likewise.
1549         * modulo-sched.c (apply_reg_moves): Likewise.
1550         * omp-expand.c (build_omp_regions_1): Likewise.
1551         * trans-mem.c (struct tm_wrapper_hasher): Likewise.
1552         * tree-ssa-loop-ivopts.c (may_eliminate_iv): Likewise.
1553         * tree-ssa-loop-niter.c (maybe_lower_iteration_bound): Likewise.
1554         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Likewise.
1555         * value-prof.c: Likewise.
1556         * var-tracking.c (val_reset): Likewise.
1558 2017-04-03  Richard Biener  <rguenther@suse.de>
1560         PR tree-optimization/80275
1561         * fold-const.c (split_address_to_core_and_offset): Handle
1562         POINTER_PLUS_EXPR.
1564 2017-04-03  Eric Botcazou  <ebotcazou@adacore.com>
1566         * tree-nested.c (get_descriptor_type): Make sure that the alignment of
1567         descriptors is at least equal to that of functions.
1569 2017-04-02  Uros Bizjak  <ubizjak@gmail.com>
1571         * config/i386/sse.md (movdi_to_sse): Add missing DONE.
1573 2017-04-02  Uros Bizjak  <ubizjak@gmail.com>
1575         PR target/80250
1576         * config/i386/sse.md (mov<IMOD4:mode>): Remove insn pattern.
1577         (mov<IMOD4:mode>): New expander.
1578         (*mov<IMOD4:mode>_internal): New insn and split pattern.
1580 2017-03-31  Segher Boessenkool  <segher@kernel.crashing.org>
1582         PR rtl-optimization/79405
1583         * fwprop.c (propagations_left): New variable.
1584         (forward_propagate_into): Decrement it.
1585         (fwprop_init): Initialize it.
1586         (fw_prop): If the variable has reached zero, stop propagating.
1587         (fwprop_addr): Ditto.
1589 2017-03-31  Jakub Jelinek  <jakub@redhat.com>
1591         PR debug/79255
1592         * dwarf2out.c (decls_for_scope): If BLOCK_NONLOCALIZED_VAR is
1593         a FUNCTION_DECL, pass it as decl instead of origin to
1594         process_scope_var.
1596 2017-03-31  Alexander Monakov  <amonakov@ispras.ru>
1598         * config/nvptx/nvptx.c (nvptx_output_softstack_switch): Correct format
1599         string.
1601 2017-03-31  Pat Haugen  <pthaugen@us.ibm.com>
1603         PR target/80107
1604         * config/rs6000/rs6000.md (extendhi<mode>2): Add test for
1605         TARGET_VSX_SMALL_INTEGER.
1607 2017-03-31  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1609         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Add
1610         reference to the OpenPOWER 64-Bit ELF V2 ABI Specification.
1612 2017-03-31  Matthew Fortune  <matthew.fortune@imgtec.com>
1614         * config/mips/mips-msa.md (msa_vec_extract_<msafmt_f>): Update
1615         extraction from odd-numbered MSA register.
1617 2017-03-31  Jakub Jelinek  <jakub@redhat.com>
1619         PR middle-end/80173
1620         * expmed.c (store_bit_field_1): Don't attempt to create
1621         a word subreg out of hard registers wider than word if they
1622         have HARD_REGNO_NREGS of 1 for their mode.
1624         PR middle-end/80163
1625         * varasm.c (initializer_constant_valid_p_1): Disallow sign-extending
1626         conversions to integer types wider than word and pointer.
1628         PR debug/80025
1629         * cselib.h (rtx_equal_for_cselib_1): Add depth argument.
1630         (rtx_equal_for_cselib_p): Pass 0 to it.
1631         * cselib.c (cselib_hasher::equal): Likewise.
1632         (rtx_equal_for_cselib_1): Add depth argument.  If depth
1633         is 128, don't look up VALUE locs and punt.  Increment
1634         depth in recursive calls when walking VALUE locs.
1636 2017-03-31  Bernd Edlinger  <bernd.edlinger@hotmail.de>
1638         * gcov.c (md5sum_to_hex): Fix output of MD5 hex bytes.
1639         (make_gcov_file_name): Use the canonical path name for generating
1640         the MD5 value.
1641         (read_line): Fix handling of files with ascii null bytes.
1643 2017-03-30  Matthew Fortune  <matthew.fortune@imgtec.com>
1645         * config/mips/mips.c (mips_expand_vector_init): Create a const_vector
1646         to initialise a vector register instead
1647         of using a const_int.
1649 2017-03-30  Jakub Jelinek  <jakub@redhat.com>
1651         PR translation/80189
1652         * gimplify.c (omp_default_clause): Use %qs instead of %s in
1653         diagnostic messages.
1655 2017-03-30  Peter Bergner  <bergner@vnet.ibm.com>
1657         PR target/80246
1658         * config/rs6000/dfp.md (dfp_dxex_<mode>): Update mode of operand 0.
1659         (dfp_diex_<mode>): Update mode of operand 1.
1660         * doc/extend.texi (dxex, dxexq): Document change to return type.
1661         (diex, diexq): Document change to argument type.
1663 2017-03-30  Martin Jambor  <mjambor@suse.cz>
1665         PR ipa/77333
1666         * cgraph.h (cgraph_build_function_type_skip_args): Declare.
1667         * cgraph.c (redirect_call_stmt_to_callee): Set gimple fntype so that
1668         it reflects the signature changes performed at the callee side.
1669         * cgraphclones.c (build_function_type_skip_args): Make public, renamed
1670         to cgraph_build_function_type_skip_args.
1671         (build_function_decl_skip_args): Adjust call to the above function.
1673 2017-03-30  Jakub Jelinek  <jakub@redhat.com>
1675         PR target/80206
1676         * config/i386/sse.md
1677         (<extract_type>_vextract<shuffletype><extract_suf>_mask): Use
1678         register as dest whenever it is a MEM not rtx_equal_p to the
1679         corresponding dup operand, and when forcing into reg move the
1680         reg into the memory afterwards.
1681         (<extract_type_2>_vextract<shuffletype><extract_suf_2>_mask):
1682         Likewise.  Use <ssehalfvecmode> instead of <ssequartermode>
1683         for the force_reg mode.
1684         (avx512vl_vextractf128<mode>): Use register as dest either
1685         always when a MEM, or when it is a MEM not rtx_equal_p to the
1686         corresponding dup operand, or even not when it is a CONST_VECTOR
1687         depending on the mode and lo vs. hi.
1688         (avx512dq_vextract<shuffletype>64x2_1_maskm): Remove extraneous
1689         parens.
1690         (avx512f_vextract<shuffletype>32x4_1_maskm): Likewise.
1691         (<mask_codefor>avx512dq_vextract<shuffletype>64x2_1<mask_name>):
1692         Likewise.  Require that operands[2] is even.
1693         (<mask_codefor>avx512f_vextract<shuffletype>32x4_1<mask_name>):
1694         Remove extraneous parens.  Require that operands[2] is a multiple
1695         of 4.
1696         (vec_extract_lo_<mode><mask_name>): Don't bother testing if
1697         operands[0] is a MEM if <mask_applied>, the predicates/constraints
1698         disallow memory then.
1700 2017-03-30  Richard Biener  <rguenther@suse.de>
1702         PR tree-optimization/77498
1703         * tree-ssa-pre.c (phi_translate_1): Do not allow simplifications
1704         to non-constants over backedges.
1706 2017-03-29  Segher Boessenkool  <segher@kernel.crashing.org>
1708         PR rtl-optimization/80233
1709         * combine.c (combine_instructions): Only take NONDEBUG_INSN_P insns
1710         as last_combined_insn.  Do not test for BARRIER_P separately.
1712 2017-03-29  Andreas Schwab  <schwab@suse.de>
1714         PR ada/80146
1715         * calls.c (prepare_call_address): Convert funexp to Pmode before
1716         copying to temp reg.
1718 2017-03-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1720         PR tree-optimization/80158
1721         * gimple-ssa-strength-reduction.c (replace_mult_candidate):
1722         Handle possible future case of more than one alternate
1723         interpretation.
1724         (replace_rhs_if_not_dup): Likewise.
1725         (replace_one_candidate): Likewise.
1727 2017-03-28  Vladimir Makarov  <vmakarov@redhat.com>
1729         PR rtl-optimization/80193
1730         * ira.c (ira): Do not check allocation for LRA.
1732 2017-03-28  Alexander Monakov  <amonakov@ispras.ru>
1734         * config/nvptx/nvptx-protos.h (nvptx_output_simt_enter): Declare.
1735         (nvptx_output_simt_exit): Declare.
1736         * config/nvptx/nvptx.c (nvptx_init_unisimt_predicate): Use
1737         cfun->machine->unisimt_location.  Handle NULL unisimt_predicate.
1738         (init_softstack_frame): Move initialization of crtl->is_leaf to...
1739         (nvptx_declare_function_name): ...here.  Emit declaration of local
1740         memory space buffer for omp_simt_enter insn.
1741         (nvptx_output_unisimt_switch): New.
1742         (nvptx_output_softstack_switch): New.
1743         (nvptx_output_simt_enter): New.
1744         (nvptx_output_simt_exit): New.
1745         * config/nvptx/nvptx.h (struct machine_function): New fields
1746         has_simtreg, unisimt_location, simt_stack_size, simt_stack_align.
1747         * config/nvptx/nvptx.md (UNSPECV_SIMT_ENTER): New unspec.
1748         (UNSPECV_SIMT_EXIT): Ditto.
1749         (omp_simt_enter_insn): New insn.
1750         (omp_simt_enter): New expansion.
1751         (omp_simt_exit): New insn.
1752         * config/nvptx/nvptx.opt (msoft-stack-reserve-local): New option.
1754         * internal-fn.c (expand_GOMP_SIMT_ENTER): New.
1755         (expand_GOMP_SIMT_ENTER_ALLOC): New.
1756         (expand_GOMP_SIMT_EXIT): New.
1757         * internal-fn.def (GOMP_SIMT_ENTER): New internal function.
1758         (GOMP_SIMT_ENTER_ALLOC): Ditto.
1759         (GOMP_SIMT_EXIT): Ditto.
1760         * target-insns.def (omp_simt_enter): New insn.
1761         (omp_simt_exit): Ditto.
1762         * omp-low.c (struct omplow_simd_context): New fields simt_eargs,
1763         simt_dlist.
1764         (lower_rec_simd_input_clauses): Implement SIMT privatization.
1765         (lower_rec_input_clauses): Likewise.
1766         (lower_lastprivate_clauses): Handle SIMT privatization.
1768         * omp-offload.c: Include langhooks.h, tree-nested.h, stor-layout.h.
1769         (ompdevlow_adjust_simt_enter): New.
1770         (find_simtpriv_var_op): New.
1771         (execute_omp_device_lower): Handle IFN_GOMP_SIMT_ENTER,
1772         IFN_GOMP_SIMT_ENTER_ALLOC, IFN_GOMP_SIMT_EXIT.
1774         * tree-inline.h (struct copy_body_data): New field dst_simt_vars.
1775         * tree-inline.c (expand_call_inline): Handle SIMT privatization.
1776         (copy_decl_for_dup_finish): Ditto.
1778         * tree-ssa.c (execute_update_addresses_taken): Handle GOMP_SIMT_ENTER.
1780 2017-03-28  Uros Bizjak  <ubizjak@gmail.com>
1782         PR target/53383
1783         * config/i386/i386.c (ix86_option_override_internal): Always
1784         allow -mpreferred-stack-boundary=3 for 64-bit targets.
1786 2017-03-28  Bin Cheng  <bin.cheng@arm.com>
1788         * tree-vect-loop.c (optimize_mask_stores): Add bb to the right loop.
1790 2017-03-28  Bin Cheng  <bin.cheng@arm.com>
1792         * tree-vect-loop-manip.c (slpeel_add_loop_guard): New param and
1793         mark new edge's irreducible flag accordign to it.
1794         (vect_do_peeling): Check loop preheader edge's irreducible flag
1795         and pass it to function slpeel_add_loop_guard.
1797 2017-03-28  Richard Sandiford  <richard.sandiford@arm.com>
1799         PR tree-optimization/80218
1800         * tree-call-cdce.c (shrink_wrap_one_built_in_call_with_conds):
1801         Update block frequencies and counts.
1803 2017-03-28  Richard Biener  <rguenther@suse.de>
1805         PR tree-optimization/78644
1806         * tree-ssa-ccp.c (evaluate_stmt): When we may not use the value
1807         of a simplification result we may not use it at all.
1809 2017-03-28  Richard Biener  <rguenther@suse.de>
1811         PR ipa/80205
1812         * tree-inline.c (copy_phis_for_bb): Do not create PHI node
1813         without arguments, generate default definition of a SSA name.
1815 2017-03-28  Richard Biener  <rguenther@suse.de>
1817         PR middle-end/80222
1818         * gimple-fold.c (gimple_fold_indirect_ref): Do not touch
1819         TYPE_REF_CAN_ALIAS_ALL references.
1820         * fold-const.c (fold_indirect_ref_1): Likewise.
1822 2017-03-28  Martin Liska  <mliska@suse.cz>
1824         PR ipa/80104
1825         * cgraphunit.c (cgraph_node::expand_thunk): Mark argument of a
1826         thunk call as DECL_GIMPLE_REG_P when vector or complex type.
1828 2017-03-28  Claudiu Zissulescu  <claziss@synopsys.com>
1829             Thomas Petazzoni  <thomas.petazzoni@free-electrons.com>
1831         * config/arc/arc.h (CPP_SPEC): Add subtarget_cpp_spec.
1832         (EXTRA_SPECS): Define.
1833         (SUBTARGET_EXTRA_SPECS): Likewise.
1834         (SUBTARGET_CPP_SPEC): Likewise.
1835         * config/arc/elf.h (EXTRA_SPECS): Renamed to
1836         SUBTARGET_EXTRA_SPECS.
1837         * config/arc/linux.h (SUBTARGET_CPP_SPEC): Define.
1839 2017-03-28  Claudiu Zissulescu  <claziss@synopsys.com>
1841         * config/arc/simdext.md (vst64_insn): Update pattern.
1842         (vld32wh_insn): Likewise.
1843         (vld32wl_insn): Likewise.
1844         (vld64_insn): Likewise.
1845         (vld32_insn): Likewise.
1847 2017-03-28  Marek Polacek  <polacek@redhat.com>
1849         PR sanitizer/80067
1850         * fold-const.c (fold_comparison): Use protected_set_expr_location
1851         instead of SET_EXPR_LOCATION.
1853 2017-03-28  Markus Trippelsdorf  <markus@trippelsdorf.de>
1855         * tree.c (add_expr): Avoid name lookup warning.
1857 2017-03-27  Jeff Law  <law@redhat.com>
1859         PR tree-optimization/80216
1860         * tree-ssa-dom.c (derive_equivalences_from_bit_ior): Fix typo in
1861         function name.  Limit recursion depth.
1862         (record_temporary_equivalences): Corresponding changes.
1864 2017-03-27  Jonathan Wakely  <jwakely@redhat.com>
1866         * doc/invoke.texi (-Wno-narrowing): Reorder so default behavior is
1867         covered first.
1869 2017-03-27  Jakub Jelinek  <jakub@redhat.com>
1871         PR target/80102
1872         * reg-notes.def (REG_CFA_NOTE): Define.  Use it for CFA related
1873         notes.
1874         * cfgcleanup.c (reg_note_cfa_p): New array.
1875         (insns_have_identical_cfa_notes): New function.
1876         (old_insns_match_p): Don't cross-jump in between /f
1877         and non-/f instructions.  If both i1 and i2 are frame related,
1878         verify all CFA notes, their order and content.
1880 2017-03-27  Michael Meissner  <meissner@linux.vnet.ibm.com>
1882         PR target/78543
1883         * config/rs6000/rs6000.md (bswaphi2_extenddi): Combine bswap
1884         HImode and SImode with zero extend to DImode to one insn.
1885         (bswap<mode>2_extenddi): Likewise.
1886         (bswapsi2_extenddi): Likewise.
1887         (bswaphi2_extendsi): Likewise.
1888         (bswaphi2): Combine bswap HImode and SImode into one insn.
1889         Separate memory insns from swapping register.
1890         (bswapsi2): Likewise.
1891         (bswap<mode>2): Likewise.
1892         (bswaphi2_internal): Delete, no longer used.
1893         (bswapsi2_internal): Likewise.
1894         (bswap<mode>2_load): Split bswap HImode/SImode into separate load,
1895         store, and gpr<-gpr swap insns.
1896         (bswap<mode>2_store): Likewise.
1897         (bswaphi2_reg): Register only splitter, combine with the splitter.
1898         (bswaphi2 splitter): Likewise.
1899         (bswapsi2_reg): Likewise.
1900         (bswapsi2 splitter): Likewise.
1901         (bswapdi2): If we have the LDBRX and STDBRX instructions, split
1902         the insns into load, store, and register/register insns.
1903         (bswapdi2_ldbrx): Likewise.
1904         (bswapdi2_load): Likewise.
1905         (bswapdi2_store): Likewise.
1906         (bswapdi2_reg): Likewise.
1908 2017-03-27  Gunther Nikl  <gnikl@users.sourceforge.net>
1910         * system.h (HAVE_DESIGNATED_INITIALIZERS): Fix non C++ case.
1911         (HAVE_DESIGNATED_UNION_INITIALIZERS): Likewise.
1913 2017-03-27  Kelvin Nilsen  <kelvin@gcc.gnu.org>
1915         PR target/80103
1916         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Edit and
1917         add comments.
1918         * config/rs6000/rs6000.c (rs6000_option_override_internal): Add
1919         special handling for target option conflicts between dform
1920         options (-mpower9-dform, -mpower9-dform-vector,
1921         -mpower9-dform-scalar) and -mno-direct-move.
1923 2017-03-27  Richard Biener  <rguenther@suse.de>
1925         PR tree-optimization/80181
1926         * tree-ssa-ccp.c (likely_value): UNDEFINED ^ X is UNDEFINED.
1928 2017-03-27  Claudiu Zissulescu  <claziss@synopsys.com>
1930         * config/arc/predicates.md (move_double_src_operand): Replace the
1931         call to move_double_src_operand with a call to address_operand.
1933 2017-03-27  Claudiu Zissulescu  <claziss@synopsys.com>
1935         * config/arc/elf.h (ARGET_ARC_TP_REGNO_DEFAULT): Define.
1936         * config/arc/linux.h (ARGET_ARC_TP_REGNO_DEFAULT): Likewise.
1937         * config/arc/arc.opt (mtp-regno): Use ARGET_ARC_TP_REGNO_DEFAULT.
1939 2017-03-27  Claudiu Zissulescu  <claziss@synopsys.com>
1941         * config/arc/predicates.md (long_immediate_loadstore_operand):
1942         Consider scaled addresses cases.
1944 2017-03-27  Claudiu Zissulescu  <claziss@synopsys.com>
1946         * config/arc/arc.c (arc_epilogue_uses): BLINK should be also
1947         restored when in interrupt.
1948         * config/arc/arc.md (simple_return): ARCv2 rtie instruction
1949         doesn't have delay slot.
1951 2017-03-27  Richard Biener  <rguenther@suse.de>
1953         PR ipa/79776
1954         * tree-ssa-structalias.c (associate_varinfo_to_alias): Skip
1955         inlined thunk clones.
1957 2017-03-27  Jakub Jelinek  <jakub@redhat.com>
1959         PR sanitizer/80168
1960         * asan.c (instrument_derefs): Copy over last operand from
1961         original COMPONENT_REF to the new COMPONENT_REF with
1962         DECL_BIT_FIELD_REPRESENTATIVE.
1963         * ubsan.c (instrument_object_size): Likewise.
1965 2017-03-27  Richard Biener  <rguenther@suse.de>
1967         PR tree-optimization/80170
1968         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Make
1969         sure DR/SCEV didnt fold in constants we do not see when looking
1970         at the reference base alignment.
1972 2017-03-27  Richard Biener  <rguenther@suse.de>
1974         PR middle-end/80171
1975         * gimple-fold.c (fold_ctor_reference): Properly guard against
1976         NULL return value from canonicalize_constructor_val.
1978 2017-03-25  Uros Bizjak  <ubizjak@gmail.com>
1980         PR target/80180
1981         * config/i386/i386.c (ix86_expand_builtin)
1982         <IX86_BUILTIN_RDSEED{16,32,64}_STEP>: Do not expand arg0 between
1983         flags reg setting and flags reg using instructions.
1984         <IX86_BUILTIN_RDRAND{16,32,64}_STEP>: Ditto.  Use non-flags reg
1985         clobbering instructions to zero extend op2.
1987 2017-03-25  Gerald Pfeifer  <gerald@pfeifer.com>
1989         * doc/install.texi (Configuration) <--with-aix-soname>:
1990         Update link to AIX ld.
1992 2017-03-25  Bernd Schmidt  <bschmidt@redhat.com>
1994         PR rtl-optimization/80160
1995         PR rtl-optimization/80159
1996         * lra-assigns.c (must_not_spill_p): Tighten new test to also take
1997         reg_alternate_class into account.
1999 2017-03-24  Vladimir Makarov  <vmakarov@redhat.com>
2001         PR target/80148
2002         * lra-assigns.c (assign_by_spills): Add spilled non-reload pseudos
2003         to consider in curr_insn_transform.
2005 2017-03-24  Jakub Jelinek  <jakub@redhat.com>
2007         * genrecog.c (validate_pattern): Add VEC_SELECT validation.
2008         * genmodes.c (emit_min_insn_modes_c): Call emit_mode_nunits
2009         and emit_mode_inner.
2011 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
2013         * config/s390/s390-builtins.def: Add VXE builtins.  Add a flags
2014         argument to the overloaded builtin variants.  Use the new flag to
2015         deprecate certain builtin variants.
2016         * config/s390/s390-builtin-types.def: Add new builtin types.
2017         * config/s390/s390-builtins.h: Support new flags field for
2018         overloaded builtins.
2019         * config/s390/s390-c.c (OB_DEF_VAR): New flags field.
2020         (s390_macro_to_expand): Enable vector float data type.
2021         (s390_cpu_cpp_builtins_internal): Indicate support of the new
2022         builtins by incrementing the __VEC__ version number.
2023         (s390_expand_overloaded_builtin): Support expansion of vec_xl and
2024         vec_xst.
2025         (s390_resolve_overloaded_builtin): Emit error messages depending
2026         on the builtin flags.
2027         * config/s390/s390.c (s390_expand_builtin): Support additional
2028         flags argument.  Change error message to match the messages
2029         emitted in s390-c.c.
2030         * config/s390/s390.md: New UNSPEC_* constants.
2031         (op_type): Add new instruction types.
2032         * config/s390/vecintrin.h: Add new builtins and test data class
2033         constants.
2034         * config/s390/vx-builtins.md (V_HW_32_64): Add V4SF.
2035         (V_HW_4, VEC_HW, VECF_HW): New mode iterators.
2036         (VEC_INEXACT, VEC_NOINEXACT): New constants.
2037         ("vec_splats<mode>", "vec_insert<mode>", "vec_promote<mode>")
2038         ("vec_insert_and_zero<mode>", "vec_mergeh<mode>")
2039         ("vec_mergel<mode>"): V_HW -> VEC_HW.
2041         ("vlrlrv16qi", "vstrlrv16qi", "vbpermv16qi", "vec_msumv2di")
2042         ("vmslg", "*vftci<mode>_cconly", "vftci<mode>_intcconly")
2043         ("*vftci<mode>", "vftci<mode>_intcc", "vec_double_s64")
2044         ("vec_double_u64", "vfmin<mode>", "vfmax<mode>"): New definition.
2046         ("and_av2df3", "and_cv2df3", "vec_andc_av2df3")
2047         ("vec_andc_cv2df3", "xor_av2df3", "xor_cv2df3", "vec_nor_av2df3")
2048         ("vec_nor_cv2df3", "ior_av2df3", "ior_cv2df3", "vec_nabs")
2049         ("*vftcidb", "*vftcidb_cconly", "vftcidb"): Remove definition.
2051         ("vec_all_<fpcmpcc:code>v2df", "vec_any_<fpcmpcc:code>v2df")
2052         ("vec_scatter_elementv4si_DI", "vec_cmp<fpcmp:code>v2df")
2053         ("vec_di_to_df_s64", "vec_di_to_df_u64", "vec_df_to_di_u64")
2054         ("vfidb", "*vldeb", "*vledb", "*vec_cmp<insn_cmp>v2df_cconly")
2055         ("vec_cmpeqv2df_cc", "vec_cmpeqv2df_cc", "vec_cmphv2df_cc")
2056         ("vec_cmphev2df_cc", "*vec_cmpeqv2df_cc")
2057         ("*vec_cmphv2df_cc", "*vec_cmphev2df_cc"): Enable new modes as ...
2059         ("vec_all_<fpcmpcc:code><mode>", "vec_any_<fpcmpcc:code><mode>")
2060         ("vec_scatter_element<V_HW_4:mode>_DI")
2061         ("vec_cmp<fpcmp:code><mode>", "vcdgb", "vcdlgb", "vclgdb")
2062         ("vec_fpint<mode>", "vflls")
2063         ("vflrd", "*vec_cmp<insn_cmp><mode>_cconly", "vec_cmpeq<mode>_cc")
2064         ("vec_cmpeq<mode>_cc", "vec_cmph<mode>_cc", "vec_cmphe<mode>_cc")
2065         ("*vec_cmpeq<mode>_cc", "*vec_cmph<mode>_cc")
2066         ("*vec_cmphe<mode>_cc"): ... these.
2068         ("vec_ctd_s64", "vec_ctsl", "vec_ctul", "vec_st2f"): Use rounding
2069         mode constant instead of magic value.
2071 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
2073         * config/s390/s390.c (s390_expand_vec_compare): Support other
2074         vector floating point modes than just V2DF.
2075         (s390_expand_vcond): Likewise.
2076         (s390_hard_regno_mode_ok): Allow SFmode values in VRs.
2077         (s390_cannot_change_mode_class): Prevent mode changes between TF
2078         and V1TF in vector registers.
2079         * config/s390/s390.md (DF, SF): New mode attributes.
2080         ("*cmp<mode>_ccs", "add<mode>3", "sub<mode>3", "mul<mode>3")
2081         ("fma<mode>4", "fms<mode>4", "div<mode>3", "*neg<mode>2"): Add
2082         SFmode support for VRs.
2083         * config/s390/vector.md (V_HW, V_HW2, VT_HW, ti*, nonvec): Add new
2084         vector fp modes.
2085         (VFT, VF_HW): New mode iterators.
2086         (vw, sdx): New mode attributes.
2087         ("addv2df3", "subv2df3", "mulv2df3", "divv2df3", "sqrtv2df2")
2088         ("fmav2df4","fmsv2df4", "negv2df2", "absv2df2", "*negabsv2df2")
2089         ("smaxv2df3", "sminv2df3", "*vec_cmp<VFCMP_HW_OP:code>v2df_nocc")
2090         ("vec_cmpuneqv2df", "vec_cmpltgtv2df", "vec_orderedv2df")
2091         ("vec_unorderedv2df"): Adjust the v2df only patterns to support
2092         also the new vector floating point modes.  Renaming to ...
2094         ("add<mode>3", "sub<mode>3", "mul<mode>3", "div<mode>3")
2095         ("sqrt<mode>2", "fma<mode>4", "fms<mode>4", "neg<mode>2")
2096         ("abs<mode>2", "negabs<mode>2", "smax<mode>3")
2097         ("smin<mode>3", "*vec_cmp<VFCMP_HW_OP:code><mode>_nocc")
2098         ("vec_cmpuneq<mode>", "vec_cmpltgt<mode>", "vec_ordered<mode>")
2099         ("vec_unordered<mode>"): ... these.
2101         ("neg_fma<mode>4", "neg_fms<mode>4", "*smax<mode>3_vxe")
2102         ("*smin<mode>3_vxe", "*sminv2df3_vx", "*vec_extendv4sf")
2103         ("*vec_extendv2df"): New insn definitions.
2105 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
2107         * config/s390/s390.md ("*adddi3_sign", "*subdi3_sign", "mulditi3")
2108         ("mulditi3_2", "*muldi3_sign"): New patterns.
2109         ("muldi3", "*muldi3", "mulsi3", "*mulsi3"): Add an expander and
2110         rename the pattern definition.
2112 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
2114         * config/s390/s390.md ("indirect_jump"): Turn insn definition into
2115         expander.
2116         ("*indirect_jump", "*indirect2_jump"): New pattern definitions.
2118 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
2120         * config/s390/s390.c (s390_expand_vec_init): Use vllezl
2121         instruction if possible.
2122         * config/s390/vector.md (vec_halfnumelts): New mode
2123         attribute.
2124         ("*vec_vllezlf<mode>"): New pattern.
2126 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
2128         * config/s390/vector.md ("popcountv16qi2", "popcountv8hi2")
2129         ("popcountv4si2", "popcountv2di2"): Rename to ...
2130         ("popcount<mode>2", "popcountv8hi2_vx", "popcountv4si2_vx")
2131         ("popcountv2di2_vx"): ... these and add !TARGET_VXE to the
2132         condition.
2133         ("popcount<mode>2_vxe"): New pattern.
2135 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
2137         * common/config/s390/s390-common.c (processor_flags_table): Add
2138         arch12.
2139         * config.gcc: Add arch12.
2140         * config/s390/driver-native.c (s390_host_detect_local_cpu):
2141         Default to arch12 for unknown CPU model numbers.
2142         * config/s390/s390-builtins.def: Add B_VXE builtin flag.
2143         * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Adjust
2144         PROCESSOR_max sanity check.
2145         * config/s390/s390-opts.h (enum processor_type): Add
2146         PROCESSOR_ARCH12.
2147         * config/s390/s390.c (processor_table): Add arch12.
2148         (s390_expand_builtin): Add check for B_VXE flag.
2149         (s390_issue_rate): Add PROCESSOR_ARCH12.
2150         (s390_get_sched_attrmask): Likewise.
2151         (s390_get_unit_mask): Likewise.
2152         (s390_sched_score): Enable z13 scheduling for arch12.
2153         (s390_sched_reorder): Likewise.
2154         (s390_sched_variable_issue): Likewise.
2155         * config/s390/s390.h (enum processor_flags): Add PF_ARCH12 and
2156         PF_VXE.
2157         (s390_tune_attr): Use z13 scheduling also for arch12.
2158         (TARGET_CPU_ARCH12, TARGET_CPU_ARCH12_P, TARGET_CPU_VXE)
2159         (TARGET_CPU_VXE_P, TARGET_ARCH12, TARGET_ARCH12_P, TARGET_VXE)
2160         (TARGET_VXE_P): New macros.
2161         * config/s390/s390.md: Add arch12 to cpu attribute.  Add arch12
2162         and vxe to cpu_facility.  Add arch12 and vxe to enabled attribute.
2163         * config/s390/s390.opt: Add arch12 as processor_type.
2165 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
2167         * config/s390/s390.md
2168         ("fixuns_truncdddi2", "fixuns_trunctddi2")
2169         ("fixuns_trunc<BFP:mode><GPR:mode>2"): Merge into ...
2170         ("fixuns_trunc<FP:mode><GPR:mode>2"): New expander.
2172         ("fixuns_trunc<BFP:mode><GPR:mode>2", "fixuns_trunc<mode>si2"):
2173         Rename expanders to ...
2175         ("fixuns_trunc<BFP:mode><GPR:mode>2_emu")
2176         ("fixuns_truncdddi2_emu"): ... these.
2178         ("fixuns_trunc<mode>si2_emu"): New expander.
2180         ("*fixuns_truncdfdi2_z13"): Rename to ...
2181         ("*fixuns_truncdfdi2_vx"): ... this.
2183 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
2185         * config/s390/2964.md: Remove the single element vector compare
2186         instructions which are no longer used.
2187         * config/s390/s390.c (s390_select_ccmode): Remove handling of
2188         vector CCmodes.
2189         (s390_canonicalize_comparison): Remove handling of DFmode
2190         compares.
2191         (s390_expand_vec_compare_scalar): Remove function.
2192         (s390_emit_compare): Don't call s390_expand_vec_compare_scalar.
2193         * config/s390/s390.md ("*vec_cmp<insn_cmp>df_cconly"): Remove
2194         pattern.
2195         ("*cmp<mode>_ccs"): Add wfcdb instruction.
2197 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
2199         * config/s390/s390.md ("mov<mode>_64dfp" DD_DF): Use vleig for loading a
2200         FP zero.
2201         ("*mov<mode>_64" DD_DF): Remove the vector instructions. These
2202         will anyway by matched by mov<mode>_64dfp.
2204 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
2206         * config/s390/s390.md ("mov<mode>" SD_SF): Change vleg/vsteg to
2207         vlef/vstef.  Add missing operand to vleif.
2209 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
2211         * config/s390/s390.c (s390_expand_vec_init): Enable vector load
2212         pair for all vector types with 64 bit elements.
2213         * config/s390/vx-builtins.md (V_HW_64): Move mode iterator to ...
2214         * config/s390/vector.md (V_HW_64): ... here.
2215         (V_128_NOSINGLE): New mode iterator.
2216         ("vec_init<V_HW:mode>"): Use V_128 as mode iterator.
2217         ("*vec_splat<mode>"): Use V_128_NOSINGLE mode iterator.
2218         ("*vec_tf_to_v1tf", "*vec_ti_to_v1ti"): New pattern definitions.
2219         ("*vec_load_pairv2di"): Change to ...
2220         ("*vec_load_pair<mode>"): ... this one.
2222 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
2224         * config/s390/constraints.md: Add comments.
2225         (jKK): Reject element sizes > 8 bytes.
2226         * config/s390/s390.c (s390_split_ok_p): Enable splitting also for
2227         s_operands.
2228         * config/s390/s390.md: Add the s_operand checks formerly in
2229         s390_split_ok_p to various splitters where they are still
2230         required.
2231         * config/s390/vector.md ("mov<mode>" V_128): Add GPR alternatives
2232         for 128 bit vectors.  Plus two splitters.
2234 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
2236         * config/s390/s390.md: Rename the cpu facilty vec to vx throughout
2237         the file.
2239 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
2241         PR target/79893
2242         * config/s390/s390-c.c (s390_adjust_builtin_arglist): Issue an
2243         error if the boundary argument is not constant.
2245 2017-03-24  Jakub Jelinek  <jakub@redhat.com>
2247         PR rtl-optimization/80112
2248         * loop-doloop.c (doloop_condition_get): Don't check condition
2249         if cmp isn't SET with IF_THEN_ELSE src.
2251 2017-03-24  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2253         PR tree-optimization/80158
2254         * gimple-ssa-strength-reduction.c (replace_mult_candidate): When
2255         replacing a candidate statement, also replace it for the
2256         candidate's alternate interpretation.
2257         (replace_rhs_if_not_dup): Likewise.
2258         (replace_one_candidate): Likewise.
2260 2017-03-24  Richard Biener  <rguenther@suse.de>
2262         PR tree-optimization/80167
2263         * graphite-isl-ast-to-gimple.c
2264         (translate_isl_ast_to_gimple::is_valid_rename): Handle default-defs
2265         properly.
2266         (translate_isl_ast_to_gimple::get_rename): Likewise.
2268 2017-03-23  Kelvin Nilsen  <kelvin@gcc.gnu.org>
2270         * config/rs6000/rs6000.c (rs6000_option_override_internal): Change
2271         handling of certain combinations of target options, including the
2272         combinations -mpower8-vector vs. -mno-vsx, -mpower9-vector vs.
2273         -mno-power8-vector, and -mpower9_dform vs. -mno-power9-vector.
2275 2017-03-23  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2277         PR target/71436
2278         * config/arm/arm.md (*load_multiple): Add reload_completed to
2279         matching condition.
2281 2017-03-23  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2282             Richard Biener  <rguenth@suse.de>
2284         PR tree-optimization/79908
2285         PR tree-optimization/80136
2286         * tree-stdarg.c (expand_ifn_va_arg_1): For a VA_ARG whose LHS has
2287         been cast away, gimplify_and_add suffices.
2289 2017-03-23  Markus Trippelsdorf  <markus@trippelsdorf.de>
2291         * tree-vrp.c (identify_jump_threads): Delete avail_exprs.
2293 2017-03-23  Richard Biener  <rguenther@suse.de>
2295         PR tree-optimization/80032
2296         * gimplify.c (gimple_push_cleanup): Forced unconditional
2297         cleanups still have to go to the conditional_cleanups
2298         sequence.
2300 2017-03-22  Jakub Jelinek  <jakub@redhat.com>
2302         PR tree-optimization/80072
2303         * tree-ssa-reassoc.c (struct operand_entry): Change id field type
2304         to unsigned int.
2305         (next_operand_entry_id): Change type to unsigned int.
2306         (sort_by_operand_rank): Make sure to return the right return value
2307         even if unsigned fields are bigger than INT_MAX.
2308         (struct oecount): Change cnt and id type to unsigned int.
2309         (oecount_hasher::equal): Formatting fix.
2310         (oecount_cmp): Make sure to return the right return value
2311         even if unsigned fields are bigger than INT_MAX.
2312         (undistribute_ops_list): Change next_oecount_id type to unsigned int.
2314         PR c++/80129
2315         * gimplify.c (gimplify_modify_expr_rhs) <case COND_EXPR>: Clear
2316         TREE_READONLY on result if writing it more than once.
2318         PR sanitizer/80110
2319         * doc/invoke.texi (-fsanitize=thread): Document that with
2320         -fnon-call-exceptions atomics are not able to throw
2321         exceptions.
2323         PR sanitizer/80110
2324         * tsan.c: Include tree-eh.h.
2325         (instrument_builtin_call): Call maybe_clean_eh_stmt or
2326         maybe_clean_or_replace_eh_stmt where needed.
2327         (instrument_memory_accesses): Add cfg_changed argument.
2328         Call gimple_purge_dead_eh_edges on each block and set *cfg_changed
2329         if it returned true.
2330         (tsan_pass): Adjust caller.  Return TODO_cleanup_cfg if cfg_changed.
2332         PR rtl-optimization/63191
2333         * config/i386/i386.c (ix86_delegitimize_address): Turn into small
2334         wrapper function, moved the whole old content into ...
2335         (ix86_delegitimize_address_1): ... this.  New inline function.
2336         (ix86_find_base_term): Use ix86_delegitimize_address_1 with
2337         true as last argument instead of ix86_delegitimize_address.
2339 2017-03-22  Wilco Dijkstra  <wdijkstr@arm.com>
2341         * config/aarch64/aarch64.c (generic_branch_cost): Copy
2342         cortexa57_branch_cost.
2344 2017-03-22  Wilco Dijkstra  <wdijkstr@arm.com>
2346         * config/aarch64/aarch64.c (generic_tunings): Add AES fusion.
2348 2017-03-21  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
2350         PR target/80123
2351         * doc/md.texi (Constraints): Document wA constraint.
2352         * config/rs6000/constraints.md (wA): New.
2353         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Add wA reg_class.
2354         (rs6000_init_hard_regno_mode_ok): Init wA constraint.
2355         * config/rs6000/rs6000.h (RS6000_CONSTRAINT_wA): New.
2356         * config/rs6000/vsx.md (vsx_splat_<mode>): Use wA constraint.
2358 2017-03-22  Cesar Philippidis  <cesar@codesourcery.com>
2360         PR c++/80029
2361         * gimplify.c (is_oacc_declared): New function.
2362         (oacc_default_clause): Use it to set default flags for acc declared
2363         variables inside parallel regions.
2364         (gimplify_scan_omp_clauses): Strip firstprivate pointers for acc
2365         declared variables.
2366         (gimplify_oacc_declare): Gimplify the declare clauses.  Add the
2367         declare attribute to any decl as necessary.
2369 2017-03-22  Thomas Preud'homme  <thomas.preudhomme@arm.com>
2371         PR target/80082
2372         * config/arm/arm-isa.h (isa_bit_lpae): New feature bit.
2373         (ISA_ARMv7ve): Add isa_bit_lpae to the definition.
2374         * config/arm/arm-protos.h (arm_arch7ve): Rename into ...
2375         (arm_arch_lpae): This.
2376         * config/arm/arm.c (arm_arch7ve): Rename into ...
2377         (arm_arch_lpae): This.  Define it in term of isa_bit_lpae.
2378         * config/arm/arm.h (TARGET_HAVE_LPAE): Redefine in term of
2379         arm_arch_lpae.
2381 2017-03-22  Martin Liska  <mliska@suse.cz>
2383         PR target/79906
2384         * config/rs6000/rs6000.c (rs6000_inner_target_options): Show
2385         error message instead of an ICE.
2387 2017-03-21  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2389         * doc/extend.texi (6.11 Additional Floating Types): Revise.
2391 2017-03-21  Kelvin Nilsen  <kelvin@gcc.gnu.org>
2393         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Add
2394         comments.
2395         * config/rs6000/rs6000.c (rs6000_option_override_internal): Add
2396         comments.
2398 2017-03-21  Martin Sebor  <msebor@redhat.com>
2400         * doc/extend.texi: Use "cannot" instead of "can't."
2401         * doc/hostconfig.texi: Same.
2402         * doc/install.texi: Same.
2403         * doc/invoke.texi: Same.
2404         * doc/loop.texi: Same.
2405         * doc/md.texi: Same.
2406         * doc/objc.texi: Same.
2407         * doc/rtl.texi: Same.
2408         * doc/tm.texi: Same.
2409         * doc/tm.texi.in: Same.
2410         * doc/trouble.texi: Same.
2412 2017-03-21  Alexandre Oliva <aoliva@redhat.com>
2414         PR debug/63238
2415         * dwarf2out.c (struct checksum_attributes): Add at_alignment.
2416         (collect_checksum_attributes): Set it.
2417         (die_checksum_ordered): Use it.
2419 2017-03-21  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2421         PR tree-optimization/79908
2422         * tree-stdarg.c (expand_ifn_va_arg_1): Revert the following
2423         change: For a VA_ARG whose LHS has been cast away, use
2424         force_gimple_operand to construct the side effects.
2426 2017-03-21  David Malcolm  <dmalcolm@redhat.com>
2428         PR translation/80001
2429         * omp-offload.c (oacc_loop_fixed_partitions): Make diagnostics
2430         more amenable to translation.
2431         (oacc_loop_auto_partitions): Likewise.
2433 2017-03-21  Marek Polacek  <polacek@redhat.com>
2434             Martin Sebor  <msebor@redhat.com>
2436         PR tree-optimization/80109
2437         * gimple-ssa-warn-alloca.c (alloca_call_type): Only call get_range_info
2438         on INTEGRAL_TYPE_P.
2440 2017-03-21  Jakub Jelinek  <jakub@redhat.com>
2441             Segher Boessenkool  <segher@kernel.crashing.org>
2443         PR target/80125
2444         * combine.c (can_combine_p): Revert the 2017-03-20 change, only
2445         check reg_used_between_p between insn and one of succ or succ2
2446         depending on if succ is artificial insn not inserted into insn
2447         stream.
2449 2017-03-21  Martin Liska  <mliska@suse.cz>
2451         PR gcov-profile/80081
2452         * Makefile.in: Add gcov-dump and fix installation of gcov-tool.
2453         * doc/gcc.texi: Include gcov-dump stuff.
2454         * doc/gcov-dump.texi: New file.
2456 2017-03-21  Toma Tabacu  <toma.tabacu@imgtec.com>
2458         PR rtl-optimization/79150
2459         * config/mips/mips.c (mips_block_move_loop): Emit a NOP after the
2460         conditional jump, if the jump is the last insn of the loop.
2462 2017-03-21  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2463             Richard Biener  <rguenth@suse.de>
2465         PR tree-optimization/79908
2466         * tree-stdarg.c (expand_ifn_va_arg_1): For a VA_ARG whose LHS has
2467         been cast away, use force_gimple_operand to construct the side
2468         effects.
2470 2017-03-21  Martin Liska  <mliska@suse.cz>
2472         PR libfortran/79956
2473         * simplify-rtx.c (simplify_immed_subreg): Initialize a variable
2474         to NULL.
2476 2017-03-21  Brad Spengler <spender@grsecurity.net>
2478         PR plugins/80094
2479         * plugin.c (htab_hash_plugin): New function.
2480         (add_new_plugin): Use it and adjust.
2481         (parse_plugin_arg_opt): Adjust.
2482         (init_one_plugin): Likewise.
2484 2017-03-21  Richard Biener  <rguenther@suse.de>
2486         PR tree-optimization/80032
2487         * gimplify.c (gimple_push_cleanup): Add force_uncond parameter,
2488         if set force the cleanup to happen unconditionally.
2489         (gimplify_target_expr): Push inserted clobbers with force_uncond
2490         to avoid them being removed by control-dependent DCE.
2492 2017-03-21  Richard Biener  <rguenther@suse.de>
2494         PR tree-optimization/80122
2495         * tree-inline.c (copy_bb): Do not expans va-arg packs or
2496         va_arg_pack_len when the inlined call stmt requires pack
2497         expansion itself.
2498         * tree-inline.h (struct copy_body_data): Make call_stmt a gcall *.
2500 2017-03-21  Jakub Jelinek  <jakub@redhat.com>
2502         PR sanitizer/78158
2503         * tsan.c (instrument_builtin_call): If the memory model argument
2504         is not a constant, assume it is valid.
2506         PR c/67338
2507         * fold-const.c (round_up_loc): Negate divisor in unsigned type to
2508         avoid UB.
2510 2017-03-20  Segher Boessenkool  <segher@kernel.crashing.org>
2512         PR rtl-optimization/79910
2513         * combine.c (can_combine_p): Do not allow combining an I0 or I1
2514         if its dest is used by an insn before I2 (other than the combined
2515         insns themselves, which are properly handled already).
2517 2017-03-20  Segher Boessenkool  <segher@kernel.crashing.org>
2519         Revert:
2520         2017-03-17  Bernd Schmidt  <bschmidt@redhat.com>
2522         * combine.c (record_used_regs): New static function.
2523         (try_combine): Handle situations where there is an additional
2524         instruction between I2 and I3 which needs to have a LOG_LINK
2525         updated.
2527         Revert:
2528         2017-03-17  Jim Wilson  <jim.wilson@linaro.org>
2530         * combine.c (try_combine): Delete redundant i1 test.  Call
2531         prev_nonnote_nondebug_insn instead of prev_nonnote_insn.
2533 2017-03-20  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
2535         PR target/80083
2536         * config/rs6000/rs6000.md (*movsi_internal1): Fix constraints for
2537         alternatives 13/14.
2539 2017-03-20  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2541         PR tree-optimization/80054
2542         * gimple-ssa-strength-reduction.c (all_phi_incrs_profitable): Fail
2543         the optimization if a PHI or any of its arguments is not dominated
2544         by the candidate's basis.  Use gphi* rather than gimple* as
2545         appropriate.
2546         (replace_profitable_candidates): Clean up a gimple* variable that
2547         should be a gphi* variable.
2549 2017-03-20  Martin Sebor  <msebor@redhat.com>
2551         PR c++/52477
2552         * doc/extend.texi (attribute constructor): Document present limitation.
2554 2017-03-20  Kelvin Nilsen  <kelvin@gcc.gnu.org>
2556         PR target/79963
2557         * config/rs6000/altivec.h (vec_all_ne): Under __cplusplus__ and
2558         __POWER9_VECTOR__ #ifdef control, change template definition to
2559         use Power9-specific built-in function.
2560         (vec_any_eq): Likewise.
2561         * config/rs6000/vector.md (vector_ae_v2di_p): Change the flag used
2562         to control outcomes from this test.
2563         (vector_ae_<mode>p): For VEC_F modes, likewise.
2565 2017-03-20  Ian Lance Taylor  <iant@google.com>
2567         * config/i386/i386.c (ix86_function_regparm): Save an extra
2568         register for -fsplit-stack with DECL_STATIC_CHAIN.
2570 2017-03-17  Palmer Dabbelt  <palmer@dabbelt.com>
2572         PR target/79912
2573         * config/riscv/riscv.c (riscv_preferred_reload_class): Remove.
2574         (TARGET_PREFERRED_RELOAD_CLASS): Likewise.
2576 2017-03-17  Palmer Dabbelt  <palmer@dabbelt.com>
2578         * config/riscv/riscv.c (riscv_print_operand): Use "fence
2579         iorw,ow".
2580         * config/riscv/sync.mc (mem_thread_fence_1): Use "fence
2581         iorw,iorw".
2583 2017-03-20  Marek Polacek  <polacek@redhat.com>
2585         PR sanitizer/80063
2586         * asan.c (DEF_SANITIZER_BUILTIN): Use do { } while (0).
2588 2017-03-20  Richard Biener  <rguenther@suse.de>
2590         PR tree-optimization/80113
2591         * graphite-isl-ast-to-gimple.c (copy_loop_phi_nodes): Do not
2592         allocate extra SSA name for PHI def.
2593         (add_close_phis_to_outer_loops): Likewise.
2594         (add_close_phis_to_merge_points): Likewise.
2595         (copy_loop_close_phi_args): Likewise.
2596         (copy_cond_phi_nodes): Likewise.
2598 2017-03-20  Martin Liska  <mliska@suse.cz>
2600         PR middle-end/79753
2601         * tree-chkp.c (chkp_build_returned_bound): Do not build
2602         returned bounds for a LHS that's not a BOUNDED_P type.
2604 2017-03-20  Martin Liska  <mliska@suse.cz>
2606         PR target/79769
2607         PR target/79770
2608         * tree-chkp.c (chkp_find_bounds_1): Handle REAL_CST,
2609         COMPLEX_CST and VECTOR_CST.
2611 2017-03-20  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
2613         PR target/78857
2614         * config/s390/s390.md ("cmp<mode>_ccs_0"): Add a clobber of the
2615         target operand.  A new splitter adds the clobber statement in case
2616         the target operand is dead anyway.
2618 2017-03-19  Gerald Pfeifer  <gerald@pfeifer.com>
2620         * doc/install.texi (Specific) <sparc-*-linux*>: No longer refer
2621         to age-old versions of binutils and glibc.
2623 2017-03-18  Segher Boessenkool  <segher@kernel.crashing.org>
2625         * doc/contrib.texi (Contributors): Remove duplicate entry for myself.
2627 2017-03-18  Gerald Pfeifer  <gerald@pfeifer.com>
2629         * doc/contrib.texi (Contributors): Add Segher Boessenkool.
2631 2017-03-18  Gerald Pfeifer  <gerald@pfeifer.com>
2633         * doc/install.texi (Specific) <arm-*-eabi>: Remove old
2634         requirement for binutils 2.13.
2636 2017-03-17  Jim Wilson  <jim.wilson@linaro.org>
2638         * combine.c (try_combine): Delete redundant i1 test.  Call
2639         prev_nonnote_nondebug_insn instead of prev_nonnote_insn.
2641 2017-03-17  Palmer Dabbelt  <palmer@dabbelt.com
2643         * doc/install.texi (Specific) <riscv32-*-elf>: Add riscv32-*-elf,
2644         riscv32-*-linux, riscv64-*-elf, riscv64-*-linux to the table of
2645         contents.
2646         <riscv64-*-elf>: Re-arrange section
2647         <riscv32-*-elf>: Add a note about requiring binutils 2.28.
2648         <riscv32-*-linux>: Likewise.
2649         <riscv64-*-elf>: Likewise
2650         <riscv64-*-linux>: Likewise.
2652 2017-03-17  Richard Earnshaw  <rearnsha@arm.com>
2654         PR target/80052
2655         * aarch64.opt(verbose-cost-dump): Fix typo.
2657 2017-03-17  Pat Haugen  <pthaugen@us.ibm.com>
2659         PR target/79951
2660         * config/rs6000/rs6000.md (copysign<mode>3_fcpsgn): Test
2661         for VECTOR_UNIT_VSX_P (<MODE>mode) too.
2663 2017-03-17  Bernd Schmidt  <bschmidt@redhat.com>
2665         * reload.c (find_reloads): When reloading a nonoffsettable address,
2666         use RELOAD_OTHER for it and its address reloads.
2668         PR rtl-optimization/79910
2669         * combine.c (record_used_regs): New static function.
2670         (try_combine): Handle situations where there is an additional
2671         instruction between I2 and I3 which needs to have a LOG_LINK
2672         updated.
2674 2017-03-17  Jeff Law  <law@redhat.com>
2676         PR tree-optimization/71437
2677         * tree-vrp.c (simplify_stmt_for_jump_threading): Lookup the
2678         conditional in the hash table first.
2679         (vrp_dom_walker::before_dom_children): Extract condition from
2680         ASSERT_EXPR.  Record condition, its inverion and any implied
2681         conditions as well.
2683 2017-03-17  Marek Polacek  <polacek@redhat.com>
2684             Markus Trippelsdorf  <markus@trippelsdorf.de>
2686         PR tree-optimization/80079
2687         * gimple-ssa-store-merging.c (class pass_store_merging): Initialize
2688         m_stores_head.
2690 2017-03-17  Richard Biener  <rguenther@suse.de>
2692         PR middle-end/80075
2693         * tree-eh.c (stmt_could_throw_1_p): Only handle gimple assigns.
2694         Properly verify the LHS before the RHS possibly claims to be
2695         handled.
2696         (stmt_could_throw_p): Hande gimple conds fully here.  Clobbers
2697         do not throw.
2699 2017-03-17  Martin Jambor  <mjambor@suse.cz>
2701         * doc/invoke.texi (Option Options): Include -fipa-vrp in the list.
2702         (List of -O2 options): Likewise.
2703         (-fipa-bit-cp): Replace "ipa" with "interprocedural."
2704         (-fipa-vrp) New.
2706 2017-03-17  Tom de Vries  <tom@codesourcery.com>
2708         * gcov-dump.c (print_usage): Print bug_report_url.
2710 2017-03-17  Richard Biener  <rguenther@suse.de>
2712         PR middle-end/80050
2713         * genmatch.c (parser::next): Remove pointless check for CPP_EOF.
2714         (parser::peek): Likewise.
2716 2017-03-17  Richard Biener  <rguenther@suse.de>
2718         PR tree-optimization/80048
2719         * sese.c (free_sese_info): Properly release rename_map and
2720         copied_bb_map elements.
2722 2017-03-16  Alexandre Oliva <aoliva@redhat.com>
2724         * gimple-ssa-store-merging.c (struct imm_store_chain_info):
2725         Add linked-list forward and backlinks.  Insert on
2726         construction, remove on destruction.
2727         (class pass_store_merging): Add m_stores_head field.
2728         (pass_store_merging::terminate_and_process_all_chains):
2729         Iterate over m_stores_head list.
2730         (pass_store_merging::terminate_all_aliasing_chains):
2731         Likewise.
2732         (pass_store_merging::execute): Check for debug stmts first.
2733         Push new chains onto the m_stores_head stack.
2735 2017-03-16  Michael Meissner  <meissner@linux.vnet.ibm.com>
2737         PR target/71294
2738         * config/rs6000/vsx.md (vsx_splat_<mode>, VSX_D iterator): Allow a
2739         SPLAT operation on ISA 2.07 64-bit systems that have direct move,
2740         but no MTVSRDD support, by doing MTVSRD and XXPERMDI.
2742 2017-03-16  Jeff Law  <law@redhat.com>
2744         PR tree-optimization/71437
2745         * tree-ssa-dom.c (dom_opt_dom_walker): Remove thread_across_edge
2746         member function.  Implementation moved into after_dom_children
2747         member function and into the threader's thread_outgoing_edges
2748         function.
2749         (dom_opt_dom_walker::after_dom_children): Simplify by moving
2750         some code into new thread_outgoing_edges.
2751         * tree-ssa-threadedge.c (thread_across_edge): Make static and simplify
2752         definition.  Simplify marker handling (do it here).   Assume we always
2753         have the available expression and the const/copies tables.
2754         (thread_outgoing_edges): New function extracted from tree-ssa-dom.c
2755         and tree-vrp.c
2756         * tree-ssa-threadedge.h (thread_outgoing_edges): Declare.
2757         * tree-vrp.c (equiv_stack): No longer file scoped.
2758         (vrp_dom_walker): New class.
2759         (vrp_dom_walker::before_dom_children): New member function.
2760         (vrp_dom_walker::after_dom_children): Likewise.
2761         (identify_jump_threads):  Setup domwalker.  Use it rather than
2762         walking edges in a random order by hand.  Simplify setup/finalization.
2763         (finalize_jump_threads): Remove.
2764         (vrp_finalize): Do not call identify_jump_threads here.
2765         (execute_vrp): Do it here instead and call thread_through_all_blocks
2766         here too.
2768         PR tree-optimization/71437
2769         * tree-ssa-dom.c (pfn_simplify): Add basic_block argument.  All
2770         callers changed.
2771         (simplify_stmt_for_jump_threading): Add basic_block argument.  All
2772         callers changed.
2773         (lhs_of_dominating_assert): Moved from here into tree-vrp.c.
2774         (dom_opt_dom_walker::thread_across_edge): Remove
2775         handle_dominating_asserts argument.  All callers changed.
2776         (record_temporary_equivalences_from_stmts_at_dest): Corresponding
2777         changes.  Remove calls to lhs_of_dominating_assert.  Other
2778         uses of handle_dominating_asserts turn into unconditional code
2779         (simplify_control_stmt_condition_1): Likewise.
2780         (simplify_control_stmt_condition): Likewise.
2781         (thread_through_normal_block, thread_across_edge): Likewise.
2782         * tree-ssa-threadedge.h (thread_across_edge): Corresponding changes.
2783         * tree-vrp.c (lhs_of_dominating_assert): Move here.  Return original
2784         object if it is not an SSA_NAME.
2785         (simplify_stmt_for_jump_threading): Call lhs_of_dominating_assert
2786         before calling into the VRP specific simplifiers.
2787         (identify_jump_threads): Remove handle_dominating_asserts
2788         argument.
2790 2017-03-16  Jakub Jelinek  <jakub@redhat.com>
2792         PR fortran/79886
2793         * tree-diagnostic.c (default_tree_printer): No longer static.
2794         * tree-diagnostic.h (default_tree_printer): New prototype.
2796 2017-03-16  Tamar Christina  <tamar.christina@arm.com>
2798         * config/aarch64/aarch64-simd.md (*aarch64_simd_mov<mode>)
2799         Change ins into fmov.
2801 2017-03-16  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2803         * config/aarch64/iterators.md (h_con): Return "x" for V4HF and V8HF.
2804         * config/aarch64/aarch64-simd.md (*aarch64_fma4_elt_from_dup<mode>):
2805         Use h_con constraint for operand 1.
2806         (*aarch64_fnma4_elt_from_dup<mode>): Likewise.
2807         (*aarch64_mulx_elt_from_dup<mode>): Likewise for operand 2.
2809 2017-03-15  Jeff Law  <law@redhat.com>
2811         PR tree-optimization/71437
2812         * tree-ssa-dom.c (derive_equivalences_from_bit_ior): New function.
2813         (record_temporary_equivalences): Use it.
2815         PR tree-optimization/71437
2816         * tree-ssa-dom.c (struct cond_equivalence): Moved from here into
2817         tree-ssa-scopedtables.
2818         (lookup_avail_expr, build_and_record_new_cond): Likewise.
2819         (record_conditions, record_cond, vuse_eq): Likewise.
2820         (record_edge_info): Adjust to API tweak of record_conditions.
2821         (simplify_stmt_for_jump_threading): Similarly for lookup_avail_expr.
2822         (record_temporary_equivalences, optimize_stmt): Likewise.
2823         (eliminate_redundant_computations): Likewise.
2824         (record_equivalences_from_stmt): Likewise.
2825         * tree-ssa-scopedtables.c: Include options.h and params.h.
2826         (vuse_eq): New function, moved from tree-ssa-dom.c
2827         (build_and_record_new_cond): Likewise.
2828         (record_conditions): Likewise.  Accept vector of conditions rather
2829         than edge_equivalence structure for first argument.
2830         for the first argument.
2831         (avail_exprs_stack::lookup_avail_expr): New member function, moved
2832         from tree-ssa-dom.c.
2833         (avail_exprs_stack::record_cond): Likewise.
2834         * tree-ssa-scopedtables.h (struct cond_equivalence): Moved here
2835         from tree-ssa-dom.c.
2836         (avail_exprs_stack): Add new member functions lookup_avail_expr
2837         and record_cond.
2838         (record_conditions): Declare.
2840 2017-03-15  Vladimir Makarov  <vmakarov@redhat.com>
2842         PR target/80017
2843         * lra-constraints.c (process_alt_operands): Increase reject for
2844         reloading an input/output operand.
2846 2017-03-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
2848         PR target/79038
2849         * config/rs6000/rs6000.md (float<QHI:mode><IEEE128:mode>2): Define
2850         insns to convert from signed/unsigned char/short to IEEE 128-bit
2851         floating point.
2852         (floatuns<QHI:mode><IEEE128:mode>2): Likewise.
2854 2017-03-15  Uros Bizjak  <ubizjak@gmail.com>
2856         PR target/80019
2857         * config/i386/i386.c (ix86_vector_duplicate_value): Create
2858         subreg of inner mode for values already in registers.
2860 2017-03-15  Bernd Schmidt  <bschmidt@redhat.com>
2862         * config/c6x/c6x.c (hwloop_optimize): Handle case where the old
2863         iteration reg is used after the loop.
2865 2017-03-14  Martin Sebor  <msebor@redhat.com>
2867         PR tree-optimization/79800
2868         * gimple-ssa-sprintf.c (format_floating: Add argument.  Handle
2869         precision in negative-positive range.
2870         (format_floating): Call non-const overload with adjusted precision.
2872 2017-03-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
2874         PR target/79947
2875         * config/rs6000/rs6000.h (TARGET_FRSQRTES): Add check for
2876         -mpowerpc-gfxopt.
2878 2017-03-14  Martin Sebor  <msebor@redhat.com>
2880         PR middle-end/80020
2881         * builtin-attrs.def (ATTR_ALLOC_SIZE_2_NOTHROW_LIST): New macro.
2882         * builtins.def (aligned_alloc): Use it.
2884         PR c/79936
2885         * Makefile.in (GTFILES): Add calls.c.
2886         * calls.c: Include "gt-calls.h".
2888 2017-03-14  Bernd Schmidt  <bschmidt@redhat.com>
2890         PR rtl-optimization/79728
2891         * regs.h (struct target_regs): New field
2892         x_contains_allocatable_regs_of_mode.
2893         (contains_allocatable_regs_of_mode): New macro.
2894         * reginfo.c (init_reg_sets_1): Initialize it, and change
2895         contains_reg_of_mode so it includes global regs as well.
2896         * reload.c (push_reload): Use contains_allocatable_regs_of_mode
2897         rather than contains_regs_of_mode.
2899 2017-03-14  Martin Liska  <mliska@suse.cz>
2901         * doc/invoke.texi: Document options that can't be combined with
2902         -fcheck-pointer-bounds.
2904 2017-03-14  Martin Liska  <mliska@suse.cz>
2906         PR middle-end/79831
2907         * doc/invoke.texi (-Wchkp): Document the option.
2909 2017-03-14  Martin Liska  <mliska@suse.cz>
2911         * Makefile.in: Install gcov-dump.
2913 2017-03-14  Martin Liska  <mliska@suse.cz>
2915         * multiple_target.c (expand_target_clones): Bail out for
2916         an invalid attribute.
2918 2017-03-14  Richard Biener  <rguenther@suse.de>
2920         * alias.c (struct alias_set_entry): Pack properly.
2921         * cfgloop.h (struct loop): Likewise.
2922         * cse.c (struct set): Likewise.
2923         * ipa-utils.c (struct searchc_env): Likewise.
2924         * loop-invariant.c (struct invariant): Likewise.
2925         * lra-remat.c (struct cand): Likewise.
2926         * recog.c (struct change_t): Likewise.
2927         * rtl.h (struct address_info): Likewise.
2928         * symbol-summary.h (function_summary): Likewise.
2929         * tree-loop-distribution.c (struct partition): Likewise.
2930         * tree-object-size.c (struct object_size_info): Likewise.
2931         * tree-ssa-loop-ivopts.c (struct cost_pair): Likewise.
2932         * tree-ssa-threadupdate.c (struct ssa_local_info_t): Likewise.
2933         * tree-vect-data-refs.c (struct _vect_peel_info): Likewise.
2934         * tree-vect-slp.c (struct _slp_oprnd_info): Likewise.
2935         * tree-vect-stmts.c (struct simd_call_arg_info): Likewise.
2936         * tree-vectorizer.h (struct _loop_vec_info): Likewise.
2937         (struct _stmt_vec_info): Likewise.
2939 2017-03-14  Martin Liska  <mliska@suse.cz>
2941         PR target/79892
2942         * multiple_target.c (create_dispatcher_calls): Check that
2943         a target can create a function dispatcher.
2945 2017-03-14  Martin Liska  <mliska@suse.cz>
2947         PR lto/66295
2948         * multiple_target.c (expand_target_clones): Drop local.local
2949         flag for default implementation.
2951 2017-03-14  Richard Biener  <rguenther@suse.de>
2953         PR tree-optimization/80030
2954         * tree-vect-stmts.c (vectorizable_store): Plug memleak.
2956 2017-03-13  Kito Cheng  <kito.cheng@gmail.com>
2958         * config/riscv/riscv.c (riscv_emit_float_compare>: Use
2959         gcc_fallthrough() instead of __attribute__((fallthrough));
2961 2017-03-13  Gerald Pfeifer  <gerald@pfeifer.com>
2963         * doc/gcc.texi: Remove "up" link to (DIR).
2964         * doc/gccint.texi: Ditto.
2966 2017-03-13  Gerald Pfeifer  <gerald@pfeifer.com>
2968         * doc/install.texi (Specific) <avr>: Remove reference to
2969         binutils 2.13.
2971 2017-03-13  Jeff Law  <law@redhat.com>
2973         * config/riscv/riscv.c (riscv_emit_float_compare): Use fallthru
2974         attribute rather than comments.
2976         * config/pdp11/pdp11.md (movmemhi): Adjust operand numbers to
2977         match_scratch operand is highest.
2979 2017-03-13  Martin Liska  <mliska@suse.cz>
2981         PR middle-end/78339
2982         * ipa-pure-const.c (warn_function_noreturn): If the declarations
2983         is a CHKP clone, use original declaration.
2985 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
2987         * config/arc/arc.c (arc_init): Use multiplier whenever we have it.
2988         (arc_conditional_register_usage): Use a different allocation order
2989         when optimizing for size.
2990         * common/config/arc/arc-common.c (arc_option_optimization_table):
2991         Section anchors default on when optimizing for size.
2993 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
2995         * config/arc/arc.md (*tst_bitfield_tst): Fix pattern.
2997 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
2999         * config/arc/arc.c (arc_output_addsi): Emit code density adds.
3000         * config/arc/arc.md (cpu_facility): Add cd variant.
3001         (*movqi_insn): Add code density variant.
3002         (*movhi_insn): Likewise.
3003         (*movqi_insn): Likewise.
3004         (*addsi3_mixed): Likewise.
3005         (subsi3_insn): Likewise.
3007 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
3009         * config/arc/arc.md (movsi_cond_exec): Update constraint.
3011 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
3013         * config/arc/arc.c (arc_legitimize_pic_address): Handle PIC
3014         expressions with MINUS and UNARY ops.
3016 2017-03-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3018         PR target/79911
3019         * config/arm/neon.md (vec_sel_widen_ssum_lo<VQI:mode><VW:mode>3):
3020         Rename to...
3021         (vec_sel_widen_ssum_lo<mode><V_half>3): ... This. Avoid mismatch
3022         between vec_select and vector argument.
3023         (vec_sel_widen_ssum_hi<VQI:mode><VW:mode>3): Rename to...
3024         (vec_sel_widen_ssum_hi<mode><V_half>3): ... This. Likewise.
3025         (vec_sel_widen_usum_lo<VQI:mode><VW:mode>3): Rename to...
3026         (vec_sel_widen_usum_lo<mode><V_half>3): ... This.
3027         (vec_sel_widen_usum_hi<VQI:mode><VW:mode>3): Rename to...
3028         (vec_sel_widen_usum_hi<mode><V_half>3): ... This.
3030 2017-03-13  Richard Biener  <rguenther@suse.de>
3032         PR other/79991
3033         * params.def (vect-max-peeling-for-alignment): Fix typo.
3035 2017-03-12  Gerald Pfeifer  <gerald@pfeifer.com>
3037         * doc/install.texi (Specific) <mips-*-*>: Remove description of
3038         issue that only occurred with binutils below 2.18.
3040 2017-03-12  Gerald Pfeifer  <gerald@pfeifer.com>
3042         * doc/install.texi (Specific) <cris-axis-elf>: No longer
3043         refer to binutils 2.11/2.12 minimum.
3045 2017-03-12  Gerald Pfeifer  <gerald@pfeifer.com>
3047         * doc/install.texi (Specific) <powerpc-*-*>: Remove link to
3048         ftp.kernel.org and simplify binutils requirement.
3050 2017-03-11  Gerald Pfeifer  <gerald@pfeifer.com>
3052         * doc/invoke.texi (Warning Options): Fix spelling of link-time
3053         optimization.
3054         (Optimize Options): Ditto.  Also remove redundancy.
3056 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
3058         PR translation/79848
3059         * ipa-devirt.c (warn_types_mismatch): Simplify uses of "%<%s%>" to
3060         "%qs".
3061         * ipa-pure-const.c (suggest_attribute): Likewise.  Convert _
3062         to G_ to avoid double translation.
3064 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
3066         PR translation/79923
3067         * auto-profile.c (get_combined_location): Convert leading
3068         character of diagnostics to lower case and remove trailing period.
3069         (read_profile): Likewise for various diagnostics.
3070         * config/arm/arm.c (arm_option_override): Remove trailing period
3071         from various diagnostics.
3072         * config/msp430/msp430.c (msp430_expand_delay_cycles): Likewise.
3073         (msp430_expand_delay_cycles): Likewise.
3075 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
3077         PR target/79925
3078         * config/aarch64/aarch64.c (aarch64_validate_mcpu): Quote the
3079         full command-line argument, rather than just "str".
3080         (aarch64_validate_march): Likewise.
3081         (aarch64_validate_mtune): Likewise.
3083 2017-03-10  Bernd Schmidt  <bschmidt@redhat.com>
3085         PR rtl-optimization/78911
3086         * lra-assigns.c (must_not_spill_p): New function.
3087         (spill_for): Use it.
3089 2017-03-10  Jakub Jelinek  <jakub@redhat.com>
3091         PR tree-optimization/79981
3092         * tree-vrp.c (extract_range_basic): Handle IMAGPART_EXPR of
3093         ATOMIC_COMPARE_EXCHANGE ifn result.
3094         (stmt_interesting_for_vrp, vrp_visit_stmt): Handle
3095         IFN_ATOMIC_COMPARE_EXCHANGE.
3097 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
3099         PR driver/79875
3100         * opts.c (parse_sanitizer_options): Add missing question mark to
3101         "did you mean" message.
3103 2017-03-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3105         * config/rs6000/rs6000-builtin.def (VMULEUB_UNS): Remove orphaned
3106         built-in.
3107         (VMULEUH_UNS): Likewise.
3108         (VMULOUB_UNS): Likewise.
3109         (VMULOUH_UNS): Likewise.
3110         * config/rs6000/rs6000.c (builtin_function_type): Remove
3111         references to ALTIVEC_BUILTIN_VMUL[EO]U[BH]_UNS.
3113 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
3115         PR bootstrap/79952
3116         * read-rtl-function.c (function_reader::read_rtx_operand): Update
3117         x with result of extra_parsing_for_operand_code_0.
3118         (function_reader::extra_parsing_for_operand_code_0): Convert
3119         return type from void to rtx, returning x.  When reading
3120         SYMBOL_REF with SYMBOL_FLAG_HAS_BLOCK_INFO, reallocate x to the
3121         larger size containing struct block_symbol.
3123 2017-03-10  Segher Boessenkool  <segher@kernel.crashing.org>
3125         * config/rs6000/rs6000.c (rs6000_option_override_internal): Disallow
3126         -mfloat128-hardware without -m64.
3128 2017-03-10  Will Schmidt <will_schmidt@vnet.ibm.com>
3130         PR target/79941
3131         * config/rs6000/rs6000.c (builtin_function_type): Add VMUL*U[HB]
3132         entries to the case statement that marks unsigned arguments to
3133         overloaded functions.
3135 2017-03-10  Kelvin Nilsen  <kelvin@gcc.gnu.org>
3137         * config/rs6000/rs6000.c (rs6000_option_override_internal): Fix
3138         two typographic errors in the handling of TARGET_UPPER_REGS_DI.
3140 2017-03-10  Pat Haugen  <pthaugen@us.ibm.com>
3142         PR target/79907
3143         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Test
3144         TARGET_UPPER_REGS_DI when setting 'wi' constraint regclass.
3146 2017-03-10  Martin Liska  <mliska@suse.cz>
3148         PR target/65705
3149         PR target/69804
3150         * toplev.c (process_options): Enable MPX with LSAN and UBSAN.
3151         * tree-chkp.c (chkp_walk_pointer_assignments): Verify that
3152         FIELD != NULL.
3154 2017-03-10  Olivier Hainque  <hainque@adacore.com>
3156         * tree-switch-conversion (array_value_type): Start by resetting
3157         candidate type to it's main variant.
3159 2017-03-10  Jakub Jelinek  <jakub@redhat.com>
3161         PR rtl-optimization/79909
3162         * combine.c (try_combine): Use simplify_replace_rtx on individual
3163         CALL_INSN_FUNCTION_USAGE elements instead of replace_rtx on copy_rtx
3164         of the whole CALL_INSN_FUNCTION_USAGE.
3166         PR tree-optimization/79972
3167         * gimple-ssa-warn-alloca.c (alloca_call_type): Only call
3168         get_range_info on SSA_NAMEs.  Formatting fixes.
3170 2017-03-10  Richard Biener  <rguenther@suse.de>
3171             Jakub Jelinek  <jakub@redhat.com>
3173         PR tree-optimization/77975
3174         * tree-ssa-loop-niter.c (get_base_for): Allow phi argument from latch
3175         edge to be constant.
3176         (get_val_for): For constant x return it.  Formatting fix.
3177         (loop_niter_by_eval): Avoid pointless looping if the next iteration
3178         would use the same bases as the current one.
3180 2017-03-09  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3182         * config/rs6000/rs6000.c (rs6000_gen_le_vsx_permute): Use rotate
3183         instead of vec_select for V1TImode.
3184         * conifg/rs6000/vsx.md (VSX_LE): Remove mode iterator that is no
3185         longer needed.
3186         (VSX_LE_128): Add V1TI to this mode iterator.
3187         (*vsx_le_perm_load_<mode>): Change to use VSX_D mode iterator.
3188         (*vsx_le_perm_store_<mode>): Likewise.
3189         (pre-reload splitter for VSX stores): Likewise.
3190         (post-reload splitter for VSX stores): Likewise.
3191         (*vsx_xxpermdi2_le_<mode>): Likewise.
3192         (*vsx_lxvd2x2_le_<mode>): Likewise.
3193         (*vsx_stxvd2x2_le_<mode>): Likewise.
3195 2017-03-09  Michael Eager  <eager@eagercon.com>
3197         Correct failures with --enable-checking=yes,rtl.
3199         * config/microblaze/microblaze.c (microblaze_expand_shift):
3200         Replace GET_CODE test with CONST_INT_P and INTVAL test with
3201         test for const0_rtx.
3202         * config/microblaze/microblaze.md (ashlsi3_byone, ashrsi3_byone,
3203         lshrsi3_byone): Replace INTVAL with test for const1_rtx.
3205 2017-03-09  Richard Biener  <rguenther@suse.de>
3207         PR tree-optimization/79977
3208         * graphite-scop-detection.c (scop_detection::merge_sese):
3209         Handle the case of extra exits to blocks dominating the entry.
3211 2017-03-09  Toma Tabacu  <toma.tabacu@imgtec.com>
3213         * doc/sourcebuild.texi (Effective-Target Keywords, Other attributes):
3214         Document rdynamic.
3216 2017-03-09  Vladimir Makarov  <vmakarov@redhat.com>
3218         PR rtl-optimization/79949
3219         * lra-constraints.c (process_alt_operands): Check memory when
3220         trying to predict a cycle.  Print about the overall increase.
3222 2017-03-09  Richard Biener  <rguenther@suse.de>
3224         PR middle-end/79971
3225         * gimple-expr.c (useless_type_conversion_p): Preserve
3226         TYPE_SATURATING for fixed-point types.
3228 2017-03-09  Richard Biener  <rguenther@suse.de>
3230         PR ipa/79970
3231         * ipa-prop.c (ipa_modify_formal_parameters): Avoid changing
3232         alignment of BLKmode params.
3234 2017-03-09  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3236         PR target/79913
3237         * config/aarch64/iterators.md (VALL_F16_NO_V2Q): New mode iterator.
3238         (VALL_NO_V2Q): Likewise.
3239         (VDQF_DF): Delete.
3240         * config/aarch64/aarch64-simd.md
3241         (aarch64_dup_lane_<vswap_width_name><mode>): Use VALL_F16_NO_V2Q
3242         iterator.
3243         (*aarch64_simd_vec_copy_lane_<vswap_width_name><mode>): Use
3244         VALL_NO_V2Q mode iterator.
3245         (*aarch64_vgetfmulx<mode>): Use VDQF iterator.
3247 2017-03-09  Martin Liska  <mliska@suse.cz>
3249         PR tree-optimization/79631
3250         * tree-chkp-opt.c (chkp_is_constant_addr): Call
3251         tree_int_cst_sign_bit just for INTEGER constants.
3253 2017-03-09  Martin Liska  <mliska@suse.cz>
3255         PR target/65705
3256         PR target/69804
3257         * toplev.c (process_options): Disable -fcheck-pointer-bounds with
3258         sanitizers.
3260 2017-03-09  Marek Polacek  <polacek@redhat.com>
3262         PR c++/79672
3263         * tree.c (inchash::add_expr): Handle TREE_VEC.
3265 2017-03-09  Martin Liska  <mliska@suse.cz>
3267         PR ipa/79764
3268         (chkp_narrow_size_and_offset): New function.
3269         (chkp_parse_array_and_component_ref): Support BIT_FIELD_REF.
3270         (void chkp_parse_bit_field_ref): New function.
3271         (chkp_make_addressed_object_bounds): Add case for BIT_FIELD_REF.
3272         (chkp_process_stmt): Use chkp_parse_bit_field_ref.
3274 2017-03-09  Martin Liska  <mliska@suse.cz>
3276         PR ipa/79761
3277         * tree-chkp.c (chkp_get_bound_for_parm): Get bounds for a param.
3278         (chkp_find_bounds_1): Remove gcc_unreachable.
3280 2017-03-09  Jakub Jelinek  <jakub@redhat.com>
3282         PR sanitizer/79944
3283         * asan.c (get_mem_refs_of_builtin_call): For BUILT_IN_ATOMIC* and
3284         BUILT_IN_SYNC*, determine the access type from the size suffix and
3285         always build a MEM_REF with that type.  Handle forgotten
3286         BUILT_IN_SYNC_FETCH_AND_NAND_16 and BUILT_IN_SYNC_NAND_AND_FETCH_16.
3288         PR target/79932
3289         * config/i386/avx512vlintrin.h (_mm256_cmpge_epi32_mask,
3290         _mm256_cmpge_epi64_mask, _mm256_cmpge_epu32_mask,
3291         _mm256_cmpge_epu64_mask, _mm256_cmple_epi32_mask,
3292         _mm256_cmple_epi64_mask, _mm256_cmple_epu32_mask,
3293         _mm256_cmple_epu64_mask, _mm256_cmplt_epi32_mask,
3294         _mm256_cmplt_epi64_mask, _mm256_cmplt_epu32_mask,
3295         _mm256_cmplt_epu64_mask, _mm256_cmpneq_epi32_mask,
3296         _mm256_cmpneq_epi64_mask, _mm256_cmpneq_epu32_mask,
3297         _mm256_cmpneq_epu64_mask, _mm256_mask_cmpge_epi32_mask,
3298         _mm256_mask_cmpge_epi64_mask, _mm256_mask_cmpge_epu32_mask,
3299         _mm256_mask_cmpge_epu64_mask, _mm256_mask_cmple_epi32_mask,
3300         _mm256_mask_cmple_epi64_mask, _mm256_mask_cmple_epu32_mask,
3301         _mm256_mask_cmple_epu64_mask, _mm256_mask_cmplt_epi32_mask,
3302         _mm256_mask_cmplt_epi64_mask, _mm256_mask_cmplt_epu32_mask,
3303         _mm256_mask_cmplt_epu64_mask, _mm256_mask_cmpneq_epi32_mask,
3304         _mm256_mask_cmpneq_epi64_mask, _mm256_mask_cmpneq_epu32_mask,
3305         _mm256_mask_cmpneq_epu64_mask, _mm_cmpge_epi32_mask,
3306         _mm_cmpge_epi64_mask, _mm_cmpge_epu32_mask, _mm_cmpge_epu64_mask,
3307         _mm_cmple_epi32_mask, _mm_cmple_epi64_mask, _mm_cmple_epu32_mask,
3308         _mm_cmple_epu64_mask, _mm_cmplt_epi32_mask, _mm_cmplt_epi64_mask,
3309         _mm_cmplt_epu32_mask, _mm_cmplt_epu64_mask, _mm_cmpneq_epi32_mask,
3310         _mm_cmpneq_epi64_mask, _mm_cmpneq_epu32_mask, _mm_cmpneq_epu64_mask,
3311         _mm_mask_cmpge_epi32_mask, _mm_mask_cmpge_epi64_mask,
3312         _mm_mask_cmpge_epu32_mask, _mm_mask_cmpge_epu64_mask,
3313         _mm_mask_cmple_epi32_mask, _mm_mask_cmple_epi64_mask,
3314         _mm_mask_cmple_epu32_mask, _mm_mask_cmple_epu64_mask,
3315         _mm_mask_cmplt_epi32_mask, _mm_mask_cmplt_epi64_mask,
3316         _mm_mask_cmplt_epu32_mask, _mm_mask_cmplt_epu64_mask,
3317         _mm_mask_cmpneq_epi32_mask, _mm_mask_cmpneq_epi64_mask,
3318         _mm_mask_cmpneq_epu32_mask, _mm_mask_cmpneq_epu64_mask): Move
3319         definitions outside of __OPTIMIZE__ guarded section.
3321         PR target/79932
3322         * config/i386/avx512bwintrin.h (_mm512_packs_epi32,
3323         _mm512_maskz_packs_epi32, _mm512_mask_packs_epi32,
3324         _mm512_packus_epi32, _mm512_maskz_packus_epi32,
3325         _mm512_mask_packus_epi32): Move definitions outside of __OPTIMIZE__
3326         guarded section.
3328 2017-03-09  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
3330         * config/s390/vx-builtins.md ("vfee<mode>", "vfeez<mode>")
3331         ("vfenez<mode>"): Add missing constraints.
3333 2017-03-08  Martin Sebor  <msebor@redhat.com>
3335         PR target/79928
3336         * config/nds32/nds32.c (nds32_option_override):
3337         Fix misspelled diagnostic.
3339 2017-03-08  Jakub Jelinek  <jakub@redhat.com>
3341         PR c/79940
3342         * gimplify.c (gimplify_omp_for): Replace index var in outer
3343         taskloop statement with an artificial variable and add
3344         OMP_CLAUSE_PRIVATE clause for it.
3346 2017-03-08  Richard Biener  <rguenther@suse.de>
3348         PR tree-optimization/79955
3349         * tree-ssa-uninit.c (warn_uninitialized_vars): Do not warn
3350         for accesses that are completely outside of the variable.
3352 2017-03-08  Andrew Haley  <aph@redhat.com>
3354         PR tree-optimization/79943
3355         * tree-ssa-loop-split.c (compute_new_first_bound): When
3356         calculating the new upper bound, (END-BEG) should be added, not
3357         subtracted.
3359 2017-03-08  Jakub Jelinek  <jakub@redhat.com>
3361         * config/avr/avr.md (setmemhi): Make sure match_dup
3362         operand number comes before match_scratch.
3364 2017-03-08  Richard Biener  <rguenther@suse.de>
3366         PR tree-optimization/79920
3367         * tree-vect-slp.c (vect_create_mask_and_perm): Remove and inline
3368         with ncopies == 1 to ...
3369         (vect_transform_slp_perm_load): ... here.  Properly compute
3370         all element loads by iterating VF times over the group.  Do
3371         not handle ncopies (computed in a broken way) in
3372         vect_create_mask_and_perm.
3374 2017-03-08  Jakub Jelinek  <jakub@redhat.com>
3376         PR sanitizer/79904
3377         * internal-fn.c (expand_vector_ubsan_overflow): If arg0 or arg1
3378         is a uniform vector, use uniform_vector_p return value instead of
3379         building ARRAY_REF on folded VIEW_CONVERT_EXPR to array type.
3381 2017-03-07  Marek Polacek  <polacek@redhat.com>
3383         PR middle-end/79809
3384         * gimple-ssa-warn-alloca.c (pass_walloca::gate): Use HOST_WIDE_INT.
3385         (alloca_call_type): Likewise.
3387 2017-03-07  Martin Liska  <mliska@suse.cz>
3389         * gcov.c (process_args): Put comment to correct location.
3391 2017-03-07  Martin Liska  <mliska@suse.cz>
3393         PR middle-end/68270
3394         * tree-chkp.c (chkp_may_narrow_to_field): Add new argument ref.
3395         Use array_at_struct_end_p instead of DECL_CHAIN (field).
3396         (chkp_narrow_bounds_for_field): Likewise.
3397         (chkp_parse_array_and_component_ref): Pass one more argument to
3398         call.
3400 2017-03-07  Richard Biener  <rguenther@suse.de>
3402         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Preserve
3403         preheaders.
3405 2017-03-07  Segher Boessenkool  <segher@kernel.crashing.org>
3407         * config/i386/i386.c (ix86_local_alignment): Align most aggregates
3408         of 16 bytes and more to 16 bytes, not those of 16 bits and more.
3410 2017-03-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3412         PR c/79855
3413         * params.def (PARAM_STORE_MERGING_ALLOW_UNALIGNED): Add full stop
3414         to end of description.
3415         (PARAM_MAX_STORES_TO_MERGE): Likewise.
3417 2017-03-07  Jakub Jelinek  <jakub@redhat.com>
3419         PR rtl-optimization/79901
3420         * config/i386/sse.md (*avx512bw_<code><mode>3<mask_name>): Renamed to
3421         ...
3422         (*avx512f_<code><mode>3<mask_name>): ... this.
3423         (<code><mode>3 with maxmin code iterator): Use VI8_AVX2_AVX512F
3424         iterator instead of VI8_AVX2_AVX512BW.
3426         PR rtl-optimization/79901
3427         * expr.c (expand_expr_real_2): For vector MIN/MAX, if there is no
3428         min/max expander, expand it using expand_vec_cond_expr.
3430         PR sanitizer/79897
3431         * ubsan.c (ubsan_encode_value): Call mark_addressable on the
3432         temporary.
3434 2017-03-06  Jakub Jelinek  <jakub@redhat.com>
3436         PR c++/79821
3437         * dwarf2out.h (dw_vec_const): Change array type from unsigned char *
3438         to void * for PCH reasons.
3439         * dwarf2out.c (output_loc_operands, output_die): Cast
3440         v.val_vec.array to unsigned char *.
3442 2017-03-06  John David Anglin  <danglin@gcc.gnu.org>
3444         PR target/77850
3445         * config/pa/pa-64.h (PAD_VARARGS_DOWN): Don't pad down complex and
3446         vector types.
3448 2017-03-06  Vladimir Makarov  <vmakarov@redhat.com>
3450         PR rtl-optimization/79571
3451         * lra-constraints.c (process_alt_operands): Calculate static
3452         reject and subtract it from overall when only addresses will be
3453         reloaded.
3455 2017-03-06  Julia Koval  <julia.koval@intel.com>
3457         PR target/79793
3458         * config/i386/i386.c (ix86_minimum_incoming_stack_boundary): Set
3459         incoming stack boundary to 128 for 64-bit targets.
3461 2017-03-06  Richard Biener  <rguenther@suse.de>
3463         PR tree-optimization/79894
3464         * tree-vectorizer.c (vectorize_loops): Set loop_vectorized_call
3465         to NULL after folding it.
3467 2017-03-06  Richard Biener  <rguenther@suse.de>
3469         PR tree-optimization/79824
3470         * tree-vect-stmts.c (get_group_load_store_type): Fix alignment
3471         check disabling peeling for gaps.
3473 2017-03-06  Toma Tabacu  <toma.tabacu@imgtec.com>
3475         * doc/sourcebuild.texi (Effective-Target Keywords, Environment
3476         attributes): Document gettimeofday.
3478 2017-03-06  Robin Dapp  <rdapp@linux.vnet.ibm.com>
3480         * config/s390/s390.c (s390_option_override_internal): Set
3481         PARAM_MIN_VECT_LOOP_BOUND
3483 2017-03-06  Robin Dapp  <rdapp@linux.vnet.ibm.com>
3485         * config/s390/s390.c (s390_asm_output_function_label): Use nopr %r0.
3486         * config/s390/s390.md: Likewise.
3488 2017-03-06  Jakub Jelinek  <jakub@redhat.com>
3490         PR target/79812
3491         * config/i386/sse.md (VI8F_256_512): Remove mode iterator.
3492         (<avx2_avx512>_perm<mode>): Rename to ...
3493         (avx2_perm<mode>): ... this.  Use VI8F_256 iterator instead
3494         of VI8F_256_512.
3495         (<avx512>_perm<mode>_mask): Rename to ...
3496         (avx512vl_perm<mode>_mask): ... this.  Use VI8F_256 iterator instead
3497         of VI8F_256_512.
3498         (<avx2_avx512>_perm<mode>_1<mask_name>): Rename to ...
3499         (avx2_perm<mode>_1<mask_name): ... this.  Use VI8F_256 iterator
3500         instead of VI8F_256_512.
3501         (avx512f_perm<mode>): New define_expand.
3502         (avx512f_perm<mode>_mask): Likewise.
3503         (avx512f_perm<mode>_1<mask_name>): New define_insn.
3504         (<avx512>_vec_dup<mode>_1): Fix up vec_select mode.
3506 2017-03-06  Prachi Godbole  <prachi.godbole@imgtec.com>
3508         * config/mips/mips-msa.md (msa_fmax_a_<msafmt>, msa_fmin_a_<msafmt>,
3509         msa_max_a_<msafmt>, msa_min_a_<msafmt>): Introduce mode interator for
3510         if_then_else.
3511         (smin<mode>3, smax<mode>3): Change operand print code from 'B' to 'E'.
3513 2017-03-06  Martin Liska  <mliska@suse.cz>
3515         PR sanitize/79783
3516         * asan.c (asan_expand_poison_ifn): Do not expand ASAN_POISON
3517         when having a SSA NAME w/o VAR_DECL assigned to it.
3519 2017-03-06  Prachi Godbole  <prachi.godbole@imgtec.com>
3521         * config/mips/mips-msa.md (msa_dotp_<su>_d, msa_dpadd_<su>_d,
3522         msa_dpsub_<su>_d): Fix MODE for vec_select.
3524 2017-03-06  Prachi Godbole  <prachi.godbole@imgtec.com>
3526         * config/mips/mips.c (mips_gen_const_int_vector): Change type of last
3527         argument.
3528         * config/mips/mips-protos.h (mips_gen_const_int_vector): Likewise.
3530 2017-03-06  Richard Biener  <rguenther@suse.de>
3532         * lto-streamer.c (lto_check_version): Use %qs in diagnostics.
3533         * plugin.c (register_plugin_info): Likewise.
3534         * tree-chkp.c (chkp_make_static_const_bounds): Likewise.
3536 2017-03-05  Jakub Jelinek  <jakub@redhat.com>
3538         * config/i386/sse.md (sse_storehps, sse_storelps,
3539         avx_<castmode><avxsizesuffix>_<castmode>,
3540         avx512f_<castmode><avxsizesuffix>_<castmode>,
3541         avx512f_<castmode><avxsizesuffix>_256<castmode>): Require
3542         in condition that at least one operand is not a MEM.
3544 2017-03-03  Jakub Jelinek  <jakub@redhat.com>
3546         PR middle-end/79805
3547         * internal-fn.def (ATOMIC_BIT_TEST_AND_SET, ATOMIC_BIT_TEST_AND_RESET,
3548         ATOMIC_BIT_TEST_AND_COMPLEMENT, ATOMIC_COMPARE_EXCHANGE): Remove
3549         ECF_NOTHROW.
3550         * gimple-fold.c (fold_builtin_atomic_compare_exchange): Set
3551         gimple_call_nothrow_p flag based on whether original builtin can throw.
3552         If it can, emit following stmts on the fallthrough edge.
3553         * tree-ssa-ccp.c (optimize_atomic_bit_test_and): Similarly, except
3554         don't create new bb if inserting just debug stmts on the edge, try to
3555         insert them on the fallthru bb or just reset debug stmts.
3557 2017-03-03  Segher Boesssenkool  <segher@kernel.crashing.org>
3559         PR target/43763
3560         * config/rs6000/rs6000.c (rs6000_final_prescan_insn): Save and
3561         restore recog_data (including the operand rtxes inside it) around
3562         the call to get_insn_template.
3564 2017-03-03  Martin Sebor  <msebor@redhat.com>
3566         PR tree-optimization/79699
3567         * context.c (context::~context): Free MPFR caches to avoid
3568         a memory leak on program exit.
3570 2017-03-03  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3572         * config/aarch64/aarch64.c (aarch64_float_const_representable_p):
3573         Use wide_int::ulow () instead of .elt (0).
3575 2017-03-03  Uros Bizjak  <ubizjak@gmail.com>
3577         * config/i386/i386.md (*pushtf): Change *roF constraint to *roC.
3578         (*pushxf): Limit oF constraint to 32bit targets and add oC
3579         constraint for 64bit targets.
3580         (pushxf splitter): Use PUSH_ROUNDING to calculate stack adjustment.
3581         (*pushdf): Change rmF constraint to rmC.
3583 2017-03-03  Martin Liska  <mliska@suse.cz>
3585         * tree-ssa-loop-prefetch.c (pass_loop_prefetch::execute):
3586         Remove unused variable.
3588 2017-03-03  Jakub Jelinek  <jakub@redhat.com>
3590         PR target/79807
3591         * config/i386/i386.c (ix86_expand_multi_arg_builtin): If target
3592         is a memory operand, increase num_memory.
3593         (ix86_expand_args_builtin): Likewise.
3595 2017-03-03  Jan Hubicka  <jh@suse.cz>
3597         PR lto/79760
3598         * ipa-devirt.c (maybe_record_node): Properly handle
3599         __cxa_pure_virtual visibility.
3601 2017-03-03  Martin Liska  <mliska@suse.cz>
3603         PR tree-optimization/79803
3604         * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Remove
3605         assert.
3606         (pass_loop_prefetch::execute): Disabled optimization if an
3607         assumption about L1 cache size is not met.
3609 2017-03-03  Martin Liska  <mliska@suse.cz>
3611         PR rtl-optimization/79574
3612         * gcse.c (struct gcse_expr): Use HOST_WIDE_INT instead of int.
3613         (hash_scan_set): Likewise.
3614         (dump_hash_table): Likewise.
3615         (hoist_code): Likewise.
3617 2017-03-03  Richard Biener  <rguenther@suse.de>
3619         * fixed-value.c (fixed_from_string): Restore use of elt (1)
3620         in place of uhigh ().
3621         (fixed_convert_from_real): Likewise.
3623 2017-03-03  Uros Bizjak  <ubizjak@gmail.com>
3625         PR target/79514
3626         * config/i386/i386.md (*pushxf_rounded): Use Pmode instead of DImode.
3628 2017-03-03  Richard Biener  <rguenther@suse.de>
3630         PR middle-end/79818
3631         * match.pd ( X +- C1 CMP C2 -> X CMP C2 -+ C1): Add missing
3632         TYPE_OVERFLOW_UNDEFINED check.
3634 2017-03-02  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3636         * config/rs6000/vector.md (vector_ne_<mode>_p): Correct operand
3637         numbers.
3638         (vector_ae_<mode>_p): Likewise.
3639         (vector_nez_<mode>_p): Likewise.
3640         (vector_ne_v2di_p): Likewise.
3641         (vector_ae_v2di_p): Likewise.
3642         (vector_ne_<mode>_p): Likewise.
3643         * config/rs6000/vsx.md (vsx_tsqrt<mode>2_fg): Correct operand
3644         numbers.
3645         (vsx_tsqrt<mode>2_fe): Likewise.
3647 2017-03-02  Uros Bizjak  <ubizjak@gmail.com>
3649         PR target/79514
3650         * config/i386/i386.md (*pushxf_rounded): New insn_and_split pattern.
3652 2017-03-02  Jakub Jelinek  <jakub@redhat.com>
3654         PR rtl-optimization/79780
3655         * cprop.c (one_cprop_pass): When second and further conditional trap
3656         in a single basic block is turned into an unconditional trap, turn it
3657         into a deleted note to avoid RTL verification failures.
3659 2017-03-02  Richard Biener  <rguenther@suse.de>
3661         * fold-const.c (const_binop): Use ulow () instead of elt (0).
3663 2017-03-02  Richard Biener  <rguenther@suse.de>
3665         PR tree-optimization/79345
3666         PR c++/42000
3667         * tree-ssa-alias.c (walk_aliased_vdefs_1): Take a limit
3668         param and abort the walk, returning -1 if it is hit.
3669         (walk_aliased_vdefs): Take a limit param and pass it on.
3670         * tree-ssa-alias.h (walk_aliased_vdefs): Add a limit param,
3671         defaulting to 0 and return a signed int.
3672         * tree-ssa-uninit.c (struct check_defs_data): New struct.
3673         (check_defs): New helper.
3674         (warn_uninitialized_vars): Use walk_aliased_vdefs to warn
3675         about uninitialized memory.
3676         * fixed-value.c (fixed_from_string): Use ulow/uhigh to avoid
3677         bogus uninitialized warning.
3678         (fixed_convert_from_real): Likewise.
3680 2017-03-02  Bin Cheng  <bin.cheng@arm.com>
3682         PR tree-optimization/66768
3683         * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Skip addr
3684         iv_use if base object can't be determined.
3686 2017-03-02  Jakub Jelinek  <jakub@redhat.com>
3688         PR tree-optimization/79345
3689         * gensupport.h (struct pattern_stats): Add min_scratch_opno field.
3690         * gensupport.c (get_pattern_stats_1) <case MATCH_SCRATCH>: Update it.
3691         (get_pattern_stats): Initialize it.
3692         * genemit.c (gen_expand): Verify match_scratch numbers come after
3693         match_operand/match_dup numbers.
3694         * config/i386/i386.md (<s>mul<mode>3_highpart): Swap match_dup and
3695         match_scratch numbers.
3696         * config/i386/sse.md (avx2_gathersi<mode>, avx2_gatherdi<mode>):
3697         Likewise.
3698         * config/s390/s390.md (trunctdsd2): Likewise.
3700 2017-03-02  Richard Biener  <rguenther@suse.de>
3702         * wide-int.h (wide_int_storage::operator=): Implement in terms
3703         of wi::copy.
3705 2017-03-02  Richard Biener  <rguenther@suse.de>
3707         PR tree-optimization/79777
3708         * tree-ssa-pre.c (eliminate_insert): Give up if we simplify
3709         the to insert expression to sth existing.
3711 2017-03-01  Martin Sebor  <msebor@redhat.com>
3713         PR middle-end/79692
3714         * gimple-ssa-sprintf.c
3715         (directive::known_width_and_precision): New function.
3716         (format_integer): Use it.
3717         (get_mpfr_format_length): Consider the full range of precision
3718         when computing %g output with the # flag.  Set the likely byte
3719         count to 3 rather than 1 when precision is indeterminate.
3720         (format_floating): Correct the lower bound of precision.
3722 2017-03-01  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3724         * doc/invoke.texi: Document default code model for 64-bit Linux.
3726 2017-03-01  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
3728         PR target/79752
3729         * config/rs6000/rs6000.md (peephole2 for udiv/umod): Should emit
3730         udiv rather than div since input pattern is unsigned.
3732 2017-03-01  Uros Bizjak  <ubizjak@gmail.com>
3734         * config/i386/i386.c (print_reg): Warn for values of
3735         unsupported size in integer register.
3737 2017-03-01  Michael Meissner  <meissner@linux.vnet.ibm.com>
3739         PR target/79439
3740         * config/rs6000/predicates.md (current_file_function_operand): Do
3741         not allow self calls to be local if the function is replaceable.
3743 2017-03-01  Kelvin Nilsen  <kelvin@gcc.gnu.org>
3745         PR target/79395
3746         * config/rs6000/altivec.h (vec_ctz and others): Change the
3747         preprocessor macro that controls conditional compilation from
3748         _ARCH_PWR9 to __POWER9_VECTOR__.
3749         (vec_all_ne): Change parameterization of __altivec_scalar_pred
3750         macro expansion under preprocessor #ifdef __POWER9_VECTOR__
3751         control (instead of _ARCH_PWR9 control) so that template
3752         definition uses power9-specific function.
3753         (vec_any_eq): Likewise.
3754         (vec_all_ne): Change macro definition to use a power9-specific
3755         expansion under #ifdef __POWER9_VECTOR__ control (instead of
3756         _ARCH_PWR9 control).
3757         (vec_any_eq) Likewise.
3758         * config/rs6000/rs6000-builtin.def (CMPNEF): Remove BU_P9V_AV_2
3759         expansion for CMPNEF to remove support for xvcmpnesp instruction.
3760         (CMPNED): Remove BU_P9V_AV2 expansion for CMPNED to remove
3761         support for xvcmpnedp instruction.
3762         (VCMPNEB_P): Replace BU_P9V_AV_P macro expansion with BU_P9V_AV_2
3763         macro expansion so that Power9 implementation of vec_all_ne does
3764         not use the AltiVec predicate framework.
3765         (VCMPNEH_P): Likewise.
3766         (VCMPNEW_P): Likewise.
3767         (VCMPNED_P): Likewise.
3768         (VCMPNEFP_P): Likewise.
3769         (VCMPNEDP_P): Likewise.
3770         (VCMPAEB_P): Add BU_P9V_AV_2 macro expansion to change
3771         implementation of vec_any_eq to not use AltiVec predicate
3772         framework.
3773         (VCMPAEH_P): Likewise.
3774         (VCMPAEW_P): Likewise.
3775         (VCMPAED_P): Likewise.
3776         (VCMPAEFP_P): Likewise.
3777         (VCMPAEDP_P): Likewise.
3778         (VCMPNE_P): Replace BU_P9V_OVERLOAD_P macro expansion with
3779         BU_P9V_OVERLOAD_2 so that Power9 implementation of vec_all_ne does
3780         not use the AltiVec predicate framework.
3781         (VCMPAE_P): Add BU_P9V_OVERLOAD_2 macro to change implementation
3782         of vec_any_eq to not use AltiVec predicate framework.
3783         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Add
3784         support for predefined __POWER9_VECTOR__ macro to indicate that
3785         Power9 instruction selection is enabled.
3786         (altivec_overloaded_builtins): Remove extraneous
3787         ALTIVEC_BUILTIN_VEC_CMPNE entry for overloaded
3788         function argument types RS6000_BTI_bool_V16QI and
3789         RS6000_BTI_bool_V16QI.  Remove erroneous ALTIVEC_BUILTIN_VEC_CMPNE
3790         entry for overloaded function argument types RS6000_BTI_bool_V4SI
3791         andRS6000_BTI_bool_V4SI, mapping to P9V_BUILTIN_CMPNEB.  Remove
3792         two entries mapping to P9V_BUITIN_CMPNED and one entry mapping to
3793         P9V_BUILTIN_CMPNEF to force use of instructions not specific to
3794         Power9 for implementations of vec_cmpne.  Change the signature for
3795         all definitions of the overloaded P9V_BUILTIN_VEC_CMPNE_P function
3796         (representing vec_all_ne) to remove the previously described first
3797         argument of type RS6000_BTI_INTSI, as this was an artifact of
3798         reliance on the AltiVec predicate framework, which is no longer
3799         used in the implementation of these functions.  Add
3800         P9V_BUILTIN_VEC_VCMPAE_P entries (representing the vec_anyeq
3801         function) to match all of the P9V_BUILTIN_VEC_VCMNE_P entries
3802         since, unlike the AltiVec predicate framework implementation, we
3803         do not share function descriptors between vec_alle and vec_anyeq.
3804         (altivec_resolve_overloaded_builtin): Add SFmode and DFmode to the
3805         set of modes that receive special treatment even when
3806         TARGET_P9_VECTOR is true.  The special treatment emits code that
3807         does not depend on Power9 instructions.
3808         * config/rs6000/vector.md (vector_ne_<mode>_p): Change this
3809         define_expand to not rely on AltiVec predicate framework.
3810         (vector_ae_<mode>p): New define_expand to represent vec_any_eq
3811         function.
3812         (vector_ne_v2di_p): Change this define_expand to not rely on
3813         AltiVec predicate framework.
3814         (vector_ae_v2di_p): New define_expand to represent vec_any_eq
3815         function.
3816         (vector_ne_<mode>_p): Change this define_expand to not rely on
3817         AltiVec predicate framework.
3818         (vector_ae_<mode>p): New define_expand to represent vec_any_eq
3819         function.
3820         * config/rs6000/vsx.md (*vsx_ne_<mode>_p): For modes VSX_EXTRACT_I
3821         (V16QI, V8HI, V4SI), correct a typo in the code emitted for this
3822         define_insn pattern.
3823         (*vsx_ne_<mode>_p): For modes VSX_F (V4SF and V2DF), remove this
3824         define_insn pattern because the xvcmpne<VSs>. instruction is not
3825         supported.
3826         (vcmpne<VSs>): Remove this define_insn because xvcmpne<VSs>
3827         instruction is not supported.
3829 2017-03-01  Jakub Jelinek  <jakub@redhat.com>
3831         * config/nvptx/nvptx.c: Include intl.h.
3833 2017-03-01  Martin Jambor  <mjambor@suse.cz>
3835         PR lto/78140
3836         * ipa-prop.h (ipa_bits): Removed field known.
3837         (ipa_jump_func): Removed field vr_known.  Changed fields bits and m_vr
3838         to pointers.  Adjusted their comments to warn about their sharing.
3839         (ipcp_transformation_summary): Change bits to a vector of pointers.
3840         (ipa_check_create_edge_args): Moved to ipa-prop.c, declare.
3841         (ipa_get_ipa_bits_for_value): Declare.
3842         * tree-vrp.h (value_range): Mark as GTY((for_user)).
3843         * ipa-prop.c (ipa_bit_ggc_hash_traits): New.
3844         (ipa_bits_hash_table): Likewise.
3845         (ipa_vr_ggc_hash_traits): Likewise.
3846         (ipa_vr_hash_table): Likewise.
3847         (ipa_print_node_jump_functions_for_edge): Adjust for bits and m_vr
3848         being pointers and vr_known being removed.
3849         (ipa_set_jf_unknown): Likewise.
3850         (ipa_get_ipa_bits_for_value): New function.
3851         (ipa_set_jfunc_bits): Likewise.
3852         (ipa_get_value_range): New overloaded functions.
3853         (ipa_set_jfunc_vr): Likewise.
3854         (ipa_compute_jump_functions_for_edge): Use the above functions to
3855         construct bits and vr parts of jump functions.
3856         (ipa_check_create_edge_args): Move here from ipa-prop.h, also allocate
3857         ipa_bits_hash_table and ipa_vr_hash_table if they do not already
3858         exist.
3859         (ipcp_grow_transformations_if_necessary): Also allocate
3860         ipa_bits_hash_table and ipa_vr_hash_table if they do not already
3861         exist.
3862         (ipa_node_params_t::duplicate): Do not copy bits, just pointers to
3863         them.  Fix too long lines.
3864         (ipa_write_jump_function): Adjust for bits and m_vr being pointers and
3865         vr_known being removed.
3866         (ipa_read_jump_function): Use new setter functions to construct bits
3867         and vr parts of jump functions or set them to NULL.
3868         (write_ipcp_transformation_info): Adjust for bits being pointers.
3869         (read_ipcp_transformation_info): Likewise.
3870         (ipcp_update_bits): Likewise.  Fix excessively long lines a trailing
3871         space.
3872         Include gt-ipa-prop.h.
3873         * ipa-cp.c (propagate_bits_across_jump_function): Adjust for bits
3874         being pointers.
3875         (ipcp_store_bits_results): Likewise.
3876         (propagate_vr_across_jump_function): Adjust for m_vr being a pointer.
3877         Do not write to existing jump functions but use a temporary instead.
3879 2017-03-01  Jakub Jelinek  <jakub@redhat.com>
3881         PR c++/79681
3882         * fold-const.c (make_bit_field_ref): If orig_inner is COMPONENT_REF,
3883         attempt to use its first operand as BIT_FIELD_REF base.
3885 2017-03-01  Richard Biener  <rguenther@suse.de>
3887         PR middle-end/79721
3888         * tree-chrec.c (chrec_evaluate): Perform computation of Newtons
3889         interpolating formula in wrapping arithmetic.
3890         (chrec_apply): Convert chrec_evaluate return value to wanted type.
3892 2017-03-01  Jakub Jelinek  <jakub@redhat.com>
3894         PR tree-optimization/79734
3895         * tree-vect-generic.c (expand_vector_condition): Optimize
3896         AVX512 vector boolean VEC_COND_EXPRs into bitwise operations.
3897         Handle VEC_COND_EXPR where comparison has different inner width from
3898         type's inner width.
3900 2017-02-28  Sandra Loosemore  <sandra@codesourcery.com>
3902         * doc/invoke.texi (ARC Options): Copy-edit to fix punctuation,
3903         markup, and similar issues.  Remove @opindex entries for things
3904         that aren't options.  Add missing -mmpy-option entries.
3906 2017-02-28  Jakub Jelinek  <jakub@redhat.com>
3908         PR tree-optimization/79737
3909         * gimple-ssa-store-merging.c (encode_tree_to_bitpos): If bitlen is
3910         a multiple of BITS_PER_UNIT and !BYTES_BIG_ENDIAN, clear
3911         tmpbuf[byte_size - 1].  Call natice_encode_expr with byte_size - 1
3912         instead of byte_size.  Formatting fix.
3913         (shift_bytes_in_array_right): Formatting fix.
3915 2017-02-28  Eric Botcazou  <ebotcazou@adacore.com>
3917         PR target/79749
3918         * config/sparc/sparc.c (sparc_frame_pointer_required): Add missing
3919         condition on optimize for the leaf function test.
3921 2017-02-28  Martin Liska  <mliska@suse.cz>
3923         PR lto/79625
3924         * read-rtl-function.c (function_reader::handle_unknown_directive):
3925         Bail out when one uses -flto.
3927 2017-02-28  Martin Liska  <mliska@suse.cz>
3929         * common.opt: Replace space with tabular for options of <number>
3930         type.
3931         * config/i386/i386.opt: Show <number> value for
3932         -mlarge-data-threshold.
3933         * opts.c (print_filtered_help): Do not display number in hexadecimal
3934         format.
3936 2017-02-28  Martin Liska  <mliska@suse.cz>
3938         * common.opt: Fix --help=option -Q for options which are of
3939         an enum type.
3941 2017-02-28  Uros Bizjak  <ubizjak@gmail.com>
3943         * config/i386/i386.c (print_reg): Error out for values
3944         of 8-bit size in invalid integer register.
3946 2017-02-28  Martin Sebor  <msebor@redhat.com>
3948         PR tree-optimization/79691
3949         * passes.def (pass_all_optimizations_g): Enable pass_sprintf_length.
3951 2017-02-28  Jakub Jelinek  <jakub@redhat.com>
3953         PR target/79729
3954         * config/i386/i386.c (ix86_print_operand) <case 'R'>: Replace
3955         gcc_unreachable with output_operand_lossage.
3957 2017-02-28  Richard Biener  <rguenther@suse.de>
3959         PR tree-optimization/79740
3960         * tree-ssa-sccvn.c (vn_nary_op_insert_into): Allow redundant
3961         inserts.
3962         (visit_nary_op): Insert the nary into the hashtable if we
3963         pattern-matched sth.
3964         * tree-ssa-pre.c (eliminate_insert): Robustify.
3966 2017-02-28  Richard Biener  <rguenther@suse.de>
3968         PR middle-end/79731
3969         * fold-const.c (decode_field_reference): Reject out-of-bound
3970         accesses.
3972 2017-02-28  Jakub Jelinek  <jakub@redhat.com>
3974         * config/i386/i386.c: Include intl.h.
3975         (ix86_option_override_internal): Use cond ? G_("...") : G_("...")
3976         instead of just cond ? "..." : "...".
3977         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Likewise.
3978         * coverage.c (read_counts_file): Likewise.
3979         * omp-offload.c: Include intl.h.
3980         (oacc_loop_fixed_partitions): Use cond ? G_("...") : G_("...") instead
3981         of just cond ? "..." : "...".
3982         * gcov.c (read_count_file): Use cond ? N_("...") : N_("...") instead
3983         of just cond ? "..." : "...".
3985 2017-02-28  Richard Earnshaw  <rearnsha@arm.com>
3987         PR target/79742
3988         * config/arm/parsecpu.awk (gen_data): Set tuning target to 'tune for'
3989         entry, if present.
3990         * config/arm/arm-cpus.in (cortex-m0plus.small-multiply): Correct
3991         'tune for' CPU name.
3992         * config/arm/arm-cpu-data.h: Regenerated.
3994 2017-02-28  Richard Biener  <rguenther@suse.de>
3996         PR tree-optimization/79732
3997         * tree-inline.c (expand_call_inline): Do not shadow var.
3999 2017-02-28  Richard Biener  <rguenther@suse.de>
4001         PR tree-optimization/79723
4002         * tree-vect-stmts.c (get_vectype_for_scalar_type_and_size): Preserve
4003         address-space properly.
4005 2017-02-28  Thomas Schwinge  <thomas@codesourcery.com>
4007         * doc/optinfo.texi (Optimization groups): Fix option used for
4008         OPTGROUP_ALL.
4009         * doc/invoke.texi (-fopt-info): Document "omp".
4010         * dumpfile.h: Sort OPTGROUP_OMP before OPTGROUP_VEC.
4011         (OPTGROUP_ALL): Add OPTGROUP_OMP.
4012         * hsa-gen.c (pass_data_gen_hsail): Use OPTGROUP_OMP.
4013         * ipa-hsa.c (pass_data_ipa_hsa): Likewise.
4014         * omp-simd-clone.c (pass_data_omp_simd_clone): Likewise.
4016         * dumpfile.h (OPTGROUP_OPENMP): Rename to OPTGROUP_OMP.  Adjust
4017         all users.
4018         * dumpfile.c (optgroup_options): Instead of "openmp", associate
4019         OPTGROUP_OMP with "omp".
4021 2017-02-27  Pat Haugen  <pthaugen@us.ibm.com>
4023         PR target/79544
4024         * config/rs6000/rs6000-c.c (struct altivec_builtin_types): Use VSRAD
4025         for arithmetic shift of unsigned V2DI.
4027 2017-02-27  Claudiu Zissulescu  <claziss@synopsys.com>
4029         * config.gcc (arc*-): Clean up, use arc/big.h, arc/elf.h, and
4030         arc/linux.h headers.
4031         * config/arc/arc.h (TARGET_OS_CPP_BUILTINS): Remove.
4032         (LINK_SPEC): Likewise.
4033         (ARC_TLS_EXTRA_START_SPEC): Likewise.
4034         (EXTRA_SPECS): Likewise.
4035         (STARTFILE_SPEC): Likewise.
4036         (ENDFILE_SPEC): Likewise.
4037         (LIB_SPEC): Likewise.
4038         (TARGET_SDATA_DEFAULT): Likewise.
4039         (TARGET_MMEDIUM_CALLS_DEFAULT): Likewise.
4040         (MULTILIB_DEFAULTS): Likewise.
4041         (DWARF2_UNWIND_INFO): Likewise.
4042         * config/arc/big.h: New file.
4043         * config/arc/elf.h: Likewise.
4044         * config/arc/linux.h: Likewise.
4045         * config/arc/t-uClibc: Remove.
4047 2017-02-27  Bin Cheng  <bin.cheng@arm.com>
4049         PR tree-optimization/77536
4050         * tree-ssa-loop-manip.c (niter_for_unrolled_loop): New function.
4051         (tree_transform_and_unroll_loop): Use above function to compute the
4052         estimated niter of unrolled loop and use it when scaling profile.
4053         Also use count info rather than frequency if it's non-zero.
4054         * tree-ssa-loop-manip.h niter_for_unrolled_loop(): New declaration.
4055         * tree-vect-loop.c (scale_profile_for_vect_loop): New function.
4056         (vect_transform_loop): Call above function.
4058 2017-02-27  Richard Biener  <rguenther@suse.de>
4060         PR tree-optimization/45397
4061         * tree-ssa-pre.c (eliminate_insert): Handle BIT_AND_EXPR.
4062         * tree-ssa-sccvn.c (valueized_wider_op): New helper.
4063         (visit_nary_op): Add pattern matching for CSEing sign-changed
4064         or truncated operations with wider ones.
4066 2017-02-27  Richard Biener  <rguenther@suse.de>
4068         PR tree-optimization/79690
4069         * tree-vect-stmts.c (vectorizable_store): Use vector type
4070         built from the DR with address-space.
4072 2017-02-26  Gerald Pfeifer  <gerald@pfeifer.com>
4074         * doc/invoke.texi (Optimize Options): Refine the description
4075         of asan-use-after-return.
4077 2017-02-25  Alan Modra  <amodra@gmail.com>
4079         PR rtl-optimization/79584
4080         * lra-constraints.c (base_to_reg): Reload ad->base, the entire
4081         base, not ad->base_term, the reg within base.  Remove assertion
4082         that ad->base == ad->base_term.  Replace gen_int_mode using
4083         bogus mode with const0_rtx.
4085 2017-02-25  Jakub Jelinek  <jakub@redhat.com>
4087         PR middle-end/79396
4088         * tree-eh.c (operation_could_trap_p, stmt_could_throw_1_p): Handle
4089         FMA_EXPR like tcc_binary or tcc_unary.
4091         * tree-ssa-loop-niter.c (number_of_iterations_exit): Simplify warning.
4093         PR debug/77589
4094         * dwarf2out.c (struct dw_loc_list_struct): Add noted_variable_value
4095         bitfield.
4096         (size_of_loc_descr): Handle DW_OP_GNU_variable_value.
4097         (output_loc_operands): Handle DW_OP_call_ref and
4098         DW_OP_GNU_variable_value.
4099         (struct variable_value_struct): New type.
4100         (struct variable_value_hasher): Likewise.
4101         (variable_value_hash): New variable.
4102         (string_types): Remove.
4103         (copy_loc_descr): New function.
4104         (add_loc_descr_to_each): Clarify comment.  Use copy_loc_descr.
4105         (prepend_loc_descr_to_each): New function.
4106         (add_loc_list): Fix comment typo.  Use prepend_loc_descr_to_each
4107         instead of add_loc_descr_to_each if the first argument is single
4108         location list and the second has multiple.
4109         (resolve_args_picking_1): Handle DW_OP_GNU_variable_value.
4110         (loc_list_from_tree_1): For early_dwarf, emit DW_OP_GNU_variable_value
4111         when looking for variable value which doesn't have other location info.
4112         (loc_list_from_tree): Formatting fix.
4113         (gen_array_type_die): Simplify DW_AT_string_length handling.
4114         (adjust_string_types): Remove.
4115         (gen_subprogram_die): Don't call adjust_string_types nor test/set
4116         string_types.  Call resolve_variable_values.
4117         (prune_unused_types_walk_loc_descr): Handle DW_OP_GNU_variable_value.
4118         (resolve_addr_in_expr): Likewise.  Add A argument.
4119         (copy_deref_exprloc): Remove deref argument.  Adjust for the
4120         original expression being DW_OP_GNU_variable_value with optionally
4121         DW_OP_stack_value after it instead of DW_OP_call4 with DW_OP_deref
4122         optionally after it.
4123         (optimize_string_length): Rework for DW_OP_GNU_variable_value.
4124         (resolve_addr): Adjust optimize_string_length and resolve_addr_in_expr
4125         callers.  Set remove_AT_byte_size if removing DW_AT_string_length.
4126         (variable_value_hasher::hash, variable_value_hasher::equal): New
4127         methods.
4128         (resolve_variable_value_in_expr, resolve_variable_value,
4129         resolve_variable_values, note_variable_value_in_expr,
4130         note_variable_value): New functions.
4131         (dwarf2out_early_finish): Call note_variable_value on all toplevel
4132         DIEs.
4134 2017-02-24  Jakub Jelinek  <jakub@redhat.com>
4136         PR c/79677
4137         * opts.h (handle_generated_option): Add GENERATED_P argument.
4138         * opts-common.c (handle_option): Adjust function comment.
4139         (handle_generated_option): Add GENERATED_P argument, pass it to
4140         handle_option.
4141         (control_warning_option): Pass false to handle_generated_option
4142         GENERATED_P.
4143         * opts.c (maybe_default_option): Pass true to handle_generated_option
4144         GENERATED_P.
4145         * optc-gen.awk: Likewise.
4147 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
4149         * config/sh/sh.md (tstsi_t): If operands[0] is a SUBREG instead of
4150         a REG, look at the REG it is a SUBREG of.
4151         (splitter for cmpeqsi_t): Ditto.
4153 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
4155         * config/pa/pa.c (pa_combine_instructions): Do not share RTL.  Make
4156         the special USEs with the pattern of the insn, not the insn itself.
4158 2017-02-24  Matthew Fortune  <matthew.fortune@imgtec.com>
4160         PR target/79473
4161         * doc/invoke.texi: Document -mload-store-pairs.
4163 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
4164             Sandra Loosemore  <sandra@codesourcery.com>
4166         * config/nios2/nios2.c (nios2_simple_const_p): Returns false if the
4167         argument isn't a CONST_INT.
4168         (nios2_alternate_compare_const): Assert op is a CONST_INT.
4169         (nios2_valid_compare_const_p): Assert op is a CONST_INT.
4170         (nios2_validate_compare): Bypass alternate compare logic if *op2
4171         is not a CONST_INT.
4172         (ldstwm_operation_p): Return false if first_base is not a REG or
4173         if first_offset is not a CONST_INT.
4175 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
4177         * config/cris/cris.md: Use correct operand in a define_peephole2.
4179 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
4181         * config/c6x/c6x.c (predicate_insn): Do not incorrectly share RTL.
4183 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
4185         * config/arc/arc.c (arc_ccfsm_advance): Only take the PATTERN of
4186         this_insn if it is an INSN or JUMP_INSN.
4187         (force_offsettable): Look at base, not at addr.
4188         * config/arc/predicates.md (brcc_nolimm_operator): Don't call INTVAL
4189         on things that aren't necessarily CONST_INTs.
4191 2017-02-24  Uros Bizjak  <ubizjak@gmail.com>
4193         * doc/invoke.texi (x86 Options, -mfpmath=sse): Mention that
4194         -mfpmath=sse is the default also for x86-32 targets with SSE2
4195         instruction set when @option{-ffast-math} is enabled
4197 2017-02-24  Jeff Law  <law@redhat.com>
4199         PR rtl-optimizatoin/79286
4200         * ira.c (update_equiv_regs): Drop may_trap_p exception to
4201         dominance test.
4203 2017-02-24  Richard Biener  <rguenther@suse.de>
4205         PR tree-optimization/79389
4206         * gimple-ssa-split-paths.c (is_feasible_trace): Properly skip
4207         debug insns.
4209 2017-02-24  Aldy Hernandez  <aldyh@redhat.com>
4211         * tree-ssa-loop-niter.c (number_of_iterations_exit): Update
4212         function comment to reflect reality.
4213         (loop_exits_before_overflow): Fix typo in function description.
4215 2017-02-24  Richard Biener  <rguenther@suse.de>
4217         PR tree-optimization/79389
4218         * gimple-ssa-split-paths.c (is_feasible_trace): Verify more
4219         properly that a threading opportunity exists.  Detect conditional
4220         copy/constant propagation opportunities.
4222 2017-02-23  Eric Botcazou  <ebotcazou@adacore.com>
4224         * config/visium/visium.md (type): Add trap.
4225         (b): New mode attribute.
4226         (*btst): Rename into...
4227         (*btst<mode>): ...this and adjust.
4228         (*cbranchsi4_btst_insn): Rename into...
4229         (*cbranch<mode>4_btst_insn): ...this and adjust.
4230         (trap): New define_insn.
4232 2017-02-23  Jakub Jelinek  <jakub@redhat.com>
4234         PR tree-optimization/79389
4235         * ifcvt.c (struct noce_if_info): Add rev_cond field.
4236         (noce_reversed_cond_code): New function.
4237         (noce_emit_store_flag): Use rev_cond if non-NULL instead of
4238         reversed_comparison_code.  Formatting fix.
4239         (noce_try_store_flag): Test rev_cond != NULL in addition to
4240         reversed_comparison_code.
4241         (noce_try_store_flag_constants): Likewise.
4242         (noce_try_store_flag_mask): Likewise.
4243         (noce_try_addcc): Use rev_cond if non-NULL instead of
4244         reversed_comparison_code.
4245         (noce_try_cmove_arith): Likewise.  Formatting fixes.
4246         (noce_try_minmax, noce_try_abs): Clear rev_cond.
4247         (noce_find_if_block): Initialize rev_cond.
4248         (find_cond_trap): Call noce_get_condition with then_bb == trap_bb
4249         instead of false as last argument never attempt to reverse it
4250         afterwards.
4252 2017-02-23  Bin Cheng  <bin.cheng@arm.com>
4254         PR tree-optimization/79663
4255         * tree-predcom.c (combine_chains): Process refs in reverse order
4256         only for ZERO length chains, and add explaining comment.
4258 2017-02-23  Jeff Law  <law@redhat.com>
4260         PR tree-optimization/79578
4261         * tree-ssa-dse.c (clear_bytes_written_by): Use OEP_ADDRESS_OF
4262         in call to operand_equal_p.
4264 2017-01-23  Dominique d'Humieres  <dominiq@lps.ens.fr>
4266         PR target/71017
4267         * config/i386/cpuid.h: Fix another undefined behavior.
4269 2017-02-23  Richard Biener  <rguenther@suse.de>
4271         PR tree-optimization/79683
4272         * tree-vect-stmts.c (vect_analyze_stmt): Do not overwrite
4273         vector types for data-refs.
4275 2017-02-23  Martin Liska  <mliska@suse.cz>
4277         * params.def (PARAM_MIN_NONDEBUG_INSN_UID): Change default to 0.
4279 2017-02-23  Jakub Jelinek  <jakub@redhat.com>
4281         PR middle-end/79665
4282         * internal-fn.c (get_range_pos_neg): Moved to ...
4283         * tree.c (get_range_pos_neg): ... here.  No longer static.
4284         * tree.h (get_range_pos_neg): New prototype.
4285         * expr.c (expand_expr_real_2) <case TRUNC_DIV_EXPR>: If both arguments
4286         are known to be in between 0 and signed maximum inclusive, try to
4287         expand both unsigned and signed divmod and use the cheaper one from
4288         those.
4290 2017-02-22  Jeff Law  <law@redhat.com>
4292         PR tree-optimization/79578
4293         * tree-ssa-dse.c (clear_bytes_written_by): Use operand_equal_p
4294         to compare base operands.
4296 2017-02-22  Segher Boessenkool  <segher@kernel.crashing.org>
4298         PR target/79211
4299         * config/rs6000/rs6000.md (*fsel<SFDF:mode><SFDF2:mode>4): Use
4300         gpc_reg_operand instead of fpr_reg_operand.
4302 2017-02-22  Sameera Deshpande  <sameera.deshpande@imgtec.com>
4304         * config/mips/mips.c (mips_return_in_memory): Force FP
4305         vector types to be returned in memory for o32 ABI.
4307 2017-02-22  Jakub Jelinek  <jakub@redhat.com>
4309         * dwarf2out.c (gen_variable_die): For -gdwarf-5, use DW_TAG_variable
4310         instead of DW_TAG_member for static data member declarations and don't
4311         set no_linkage_name for static inline data members.
4312         (gen_member_die): For -gdwarf-5 don't change DW_TAG_variable
4313         to DW_TAG_member.
4315 2017-02-22  Martin Liska  <mliska@suse.cz>
4317         * doc/invoke.texi: Replace inequality signs with square brackets
4318         for -Wnormalized.
4320 2017-02-22  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4322         PR tree-optimization/68644
4323         * gcc.dg/tree-ssa/ivopts-lt-2.c: Skip for powerpc*-*-*.
4325 2017-02-22  Matthew Fortune  <matthew.fortune@imgtec.com>
4327         PR target/78660
4328         * lra-constraints.c (simplify_operand_subreg): Handle
4329         WORD_REGISTER_OPERATIONS targets.
4331 2017-02-22  Jakub Jelinek  <jakub@redhat.com>
4333         PR target/70465
4334         * reg-stack.c (emit_swap_insn): Treat (float_extend:?F (mem:?F))
4335         and (const_double:?F) like (mem:?F) for the purpose of fxch %st(1)
4336         elimination by swapping fld*.
4338 2017-02-22  Richard Biener  <rguenther@suse.de>
4340         PR tree-optimization/79673
4341         * tree-ssa-pre.c (compute_avail): Use wide_int_to_tree to
4342         convert the [TARGET_]MEM_REF offset INTEGER_CST, scrapping off
4343         irrelevant address-space qualifiers and avoiding a
4344         ADDR_SPACE_CONVERT_EXPR from fold_convert.
4346 2017-02-22  Richard Biener  <rguenther@suse.de>
4348         PR tree-optimization/79666
4349         * tree-vrp.c (extract_range_from_binary_expr_1): Make sure
4350         to not symbolically negate if that may introduce undefined
4351         overflow.
4353 2017-02-22  Martin Liska  <mliska@suse.cz>
4355         PR lto/79587
4356         * data-streamer-in.c (streamer_read_gcov_count): Remove assert.
4357         * data-streamer-out.c (streamer_write_gcov_count_stream):
4358         Likewise.
4359         * value-prof.c (stream_out_histogram_value): Make assert more
4360         precise based on type of counter.
4362 2017-02-21  Uros Bizjak  <ubizjak@gmail.com>
4364         PR target/79593
4365         * config/i386/i386.md (standard_x87sse_constant_load splitter):
4366         Use nonimmediate_operand instead of memory_operand for operand 1.
4367         (float-extend standard_x87sse_constant_load splitter): Ditto.
4369 2017-02-21 Jeff Law  <law@redhat.com>
4371         PR tree-optimization/79621
4372         * gimple-ssa-isolate-paths.c (find_implicit_erroneous_behavior): Ignore
4373         blocks with edges to themselves.
4375 2017-02-21  Jakub Jelinek  <jakub@redhat.com>
4377         PR target/79633
4378         * tree-chkp-opt.c (chkp_optimize_string_function_calls): Use
4379         is_gimple_call instead of comparing gimple_code with GIMPLE_CALL.
4380         Use gimple_call_builtin_p.
4382         PR target/79570
4383         * sel-sched.c (moveup_expr_cached): Don't call sel_bb_head
4384         on temporarily removed DEBUG_INSNs.
4386         PR tree-optimization/79649
4387         * tree-loop-distribution.c (classify_partition): Give up on
4388         non-generic address space loads/stores.
4390 2017-02-21  Aldy Hernandez  <aldyh@redhat.com>
4392         * doc/loop.texi (Loop manipulation): Remove nonexistent
4393         tree_ssa_loop_version from the documentation.
4394         * cfgloopmanip.c (loop_version): Document CONDITION_BB argument.
4396 2017-02-21  Jakub Jelinek  <jakub@redhat.com>
4398         PR target/79494
4399         * config/i386/i386.c (ix86_expand_split_stack_prologue): Call
4400         make_reg_eh_region_note_nothrow_nononlocal on call_insn.
4401         * config/rs6000/rs6000.c: Include except.h.
4402         (rs6000_expand_split_stack_prologue): Call
4403         make_reg_eh_region_note_nothrow_nononlocal on the call insn.
4405 2017-02-21  Martin Jambor  <mjambor@suse.cz>
4407         PR lto/79579
4408         * ipa-prop.c (ipa_prop_write_jump_functions): Bail out if no edges
4409         have been analyzed.
4411 2017-02-21  Martin Jambor  <mjambor@suse.cz>
4413         * common.opt (-fipa-cp-alignment): Mark as ignored and preserved
4414         for backward compatibility only.
4415         * doc/invoke.texi (Option Summary): Remove all references to
4416         -fipa-cp-alignment.
4418 2017-02-21  Matthew Fortune  <matthew.fortune@imgtec.com>
4420         PR target/78660
4421         Revert:
4422         2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
4424         * lra-constraints.c (curr_insn_transform): Handle
4425         WORD_REGISTER_OPERATIONS requirements when reloading SUBREGs.
4427 2017-02-21  Martin Liska  <mliska@suse.cz>
4429         * config/i386/i386.opt: Replace -masm-dialect with -masm.
4431 2017-02-21  Thomas Schwinge  <thomas@codesourcery.com>
4433         PR translation/79638
4434         * config/nvptx/nvptx.c (ENTRY_TEMPLATE): Single out "%ntid.y".
4436 2017-02-21  Eric Botcazou  <ebotcazou@adacore.com>
4438         PR ada/67205
4439         * config/arm/arm.c (TARGET_CUSTOM_FUNCTION_DESCRIPTORS): Define.
4440         (arm_function_ok_for_sibcall): Return false for an indirect call by
4441         descriptor if all the argument registers are used.
4442         (arm_relayout_function): Use FUNCTION_ALIGNMENT macro to adjust the
4443         alignment of the function.
4445 2017-02-21  Jakub Jelinek  <jakub@redhat.com>
4447         PR tree-optimization/61441
4448         * simplify-rtx.c (simplify_const_unary_operation): For
4449         -fsignaling-nans and sNaN operand, return NULL_RTX rather than
4450         the sNaN unmodified.
4452 2017-02-20  Bernd Edlinger  <bernd.edlinger@hotmail.de>
4454         * Makefile.in (BUILD_SYSTEM_HEADER_DIR): New make variabe.
4455         (LIMITS_H_TEST, if_multiarch, stmp-fixinc): Use BUILD_SYSTEM_HEADER_DIR
4456         instead of SYSTEM_HEADER_DIR.
4458 2017-02-20  Gerald Pfeifer  <gerald@pfeifer.com>
4459             Martin LiÅ¡ka  <mliska@suse.cz>
4461         * doc/invoke.texi (use-after-scope-direct-emission-threshold):
4462         Fix typos and grammar, use active voice, and clarify.
4464 2017-02-20  Marek Polacek  <polacek@redhat.com>
4466         PR middle-end/79537
4467         * gimplify.c (gimplify_expr): Handle unused *&&L;.
4469         PR sanitizer/79558
4470         * ubsan.c (ubsan_type_descriptor): Check if TYPE_MAX_VALUE is null.
4472 2017-02-20  Jakub Jelinek  <jakub@redhat.com>
4474         PR target/79568
4475         * config/i386/i386.c (ix86_expand_builtin): Handle
4476         OPTION_MASK_ISA_AVX512VL and OPTION_MASK_ISA_64BIT in
4477         ix86_builtins_isa[fcode].isa as a requirement of those
4478         flags and any other flag in the bitmask.
4479         (ix86_init_mmx_sse_builtins): Use 0 instead of
4480         ~OPTION_MASK_ISA_64BIT as mask.
4481         * config/i386/i386-builtin.def (__builtin_ia32_rdtsc,
4482         __builtin_ia32_rdtscp, __builtin_ia32_pause, __builtin_ia32_bsrsi,
4483         __builtin_ia32_rdpmc, __builtin_ia32_rolqi, __builtin_ia32_rolhi,
4484         __builtin_ia32_rorqi, __builtin_ia32_rorhi): Likewise.
4486 2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
4488         PR target/78012
4489         * lra-constraints.c (split_reg): Check requested split mode
4490         is supported by the register.
4492 2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
4494         * lra-constraints.c (simplify_operand_subreg): Remove early
4495         return false.
4497 2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
4499         PR target/78660
4500         * lra-constraints.c (curr_insn_transform): Tighten condition
4501         for converting SUBREG reloads from OP_OUT to OP_INOUT.
4503 2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
4505         PR target/78660
4506         * lra-constraints.c (curr_insn_transform): Handle
4507         WORD_REGISTER_OPERATIONS requirements when reloading SUBREGs.
4509 2017-02-19  Uros Bizjak  <ubizjak@gmail.com>
4511         Revert:
4512         2016-05-30  Uros Bizjak  <ubizjak@gmail.com>
4514         * config/i386/sync.md (mfence_nosse): Use "lock orl $0, -4(%esp)".
4516 2017-02-19  Jonathan Wakely  <jwakely@redhat.com>
4518         PR c++/69523
4519         * doc/invoke.texi (C++ Dialect Options) [-Wliteral-suffix]: Update
4520         description.
4522 2017-02-19  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
4524         * gimple-pretty-print.c (dump_ternary_rhs): Adjust gimple dump format
4525         for FMA_EXPR.
4527 2017-02-18  Jakub Jelinek  <jakub@redhat.com>
4529         * final.c (last_columnnum, override_columnnum): New variables.
4530         (final_start_function): Set last_columnnum, pass it to begin_prologue
4531         hook and pass 0 to dwarf2out_begin_prologue.
4532         (final_scan_insn): Update override_columnnum.  Pass last_columnnum
4533         to source_line debug hook.
4534         (notice_source_line): Compute last_columnnum and for debug_column_info
4535         return true on column changes.
4536         * debug.h (struct gcc_debug_hooks): Add column argument to
4537         source_line and begin_prologue hooks.
4538         (debug_nothing_int_charstar_int_bool): Remove prototype.
4539         (debug_nothing_int_int_charstar,
4540         debug_nothing_int_int_charstar_int_bool): New prototypes.
4541         (dwarf2out_begin_prologue): Add column argument.
4542         * debug.c (do_nothing_debug_hooks): Adjust source_line and
4543         begin_prologue hooks.
4544         (debug_nothing_int_charstar_int_bool): Remove.
4545         (debug_nothing_int_int_charstar,
4546         debug_nothing_int_int_charstar_int_bool): New functions.
4547         * dwarf2out.c (dwarf2out_begin_prologue): Add column argument, pass it
4548         through to dwarf2out_source_line.
4549         (dwarf2_lineno_debug_hooks): Adjust begin_prologue hook.
4550         (dwarf2out_source_line): Add column argument, emit it if requested.
4551         * sdbout.c (sdbout_source_line, sdbout_begin_prologue): Add column
4552         arguments.
4553         * xcoffout.h (xcoffout_begin_prologue, xcoffout_source_line): Likewise.
4554         * xcoffout.c (xcoffout_begin_prologue, xcoffout_source_line): Likewise.
4555         * vmsdbgout.c (vmsdbgout_begin_prologue): Add column argument, pass it
4556         through to dwarf2out_begin_prologue.
4557         (vmsdbgout_source_line): Add column argument, pass it through to
4558         dwarf2out_source_line.
4559         * dbxout.c (dbxout_begin_prologue): Add column argument, adjust
4560         dbxout_source_line caller.
4561         (dbxout_source_line): Add column argument.
4563         * common.opt (gno-column-info, gcolumn-info): New options.
4564         * dwarf2out.c (dwarf2_lineno_debug_hooks): Formatting fix.
4565         (check_die): Also test for multiple DW_AT_decl_column attributes.
4566         (add_src_coords_attributes, dwarf2out_imported_module_or_decl_1): Add
4567         DW_AT_decl_column if requested.
4568         (gen_subprogram_die): Compare and/or add also DW_AT_decl_column
4569         if requested.
4570         (gen_variable_die): Likewise.
4571         (add_call_src_coords_attributes): Add DW_AT_call_column if requested.
4572         * doc/invoke.texi (-gcolumn-info, -gno-column-info): Document.
4574         PR target/79569
4575         * config/i386/i386.opt (m3dnowa): Replace Undocumented with Report.
4576         * common/config/i386/i386-common.c (OPTION_MASK_ISA_3DNOW_A_SET): Define.
4577         (ix86_handle_option): Handle OPT_m3dnowa.
4578         * doc/invoke.texi (-m3dnowa): Document.
4579         * doc/extend.texi (__builtin_ia32_pmulhuw, __builtin_ia32_pf2iw): Use
4580         -m3dnowa instead of -m3dnow -march=athlon.
4582         PR target/79559
4583         * config/i386/i386.c (ix86_print_operand): Use output_operand_lossage
4584         instead of gcc_assert for K, r and R code checks.  Formatting fixes.
4586 2017-02-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4588         PR target/79261
4589         * config/rs6000/rs6000.c (rs6000_expand_ternop_builtin): Add
4590         support for CODE_FOR_vsx_xxpermdi_v2d[fi]_be.
4591         * config/rs6000/rs6000.md (reload_gpr_from_vsx<mode>): Call
4592         generator for vsx_xxpermdi_<mode>_be.
4593         * config/rs6000/vsx.md (vsx_xxpermdi_<mode>): Remove logic to
4594         force big-endian semantics.
4595         (vsx_xxpermdi_<mode>_be): New define_expand with same
4596         implementation as previous version of vsx_xxpermdi_<mode>.
4598 2017-02-17  Jakub Jelinek  <jakub@redhat.com>
4600         PR tree-optimization/79327
4601         * gimple-ssa-sprintf.c (format_integer): Remove likely_adjust
4602         variable, its initialization and use.
4604 2017-02-17  Julia Koval  <julia.koval@intel.com>
4606         * common/config/i386/i386-common.c (OPTION_MASK_ISA_RDPID_SET): New.
4607         (OPTION_MASK_ISA_PKU_UNSET): New.
4608         (ix86_handle_option): Handle -mrdpid.
4609         * config/i386/cpuid.h (bit_RDPID): New.
4610         * config/i386/driver-i386.c (host_detect_local_cpu):
4611         Detect RDPID feature.
4612         * config/i386/i386-builtin.def (__builtin_ia32_rdpid): New.
4613         * config/i386/i386-c.c (ix86_target_macros_internal):
4614         Handle RDPID flag.
4615         * config/i386/i386.c (ix86_target_string): Add -mrdpid to isa2_opts.
4616         (ix86_valid_target_attribute_inner_p): Add "rdpid".
4617         (ix86_expand_builtin): Handle IX86_BUILTIN_RDPID.
4618         * config/i386/i386.h (TARGET_RDPID, TARGET_RDPID_P): New.
4619         * config/i386/i386.md (define_insn "rdpid"): New.
4620         * config/i386/i386.opt Add -mrdpid.
4621         * config/i386/immintrin.h (_rdpid_u32): New.
4623 2017-02-17  Vladimir Makarov  <vmakarov@redhat.com>
4625         PR rtl-optimization/79541
4626         * lra-constraints.c (curr_insn_transform): Remove wrong asm insn
4627         instead of transforming it into USE.
4629 2017-02-17  Segher Boessenkool  <segher@kernel.crashing.org>
4631         * config/rs6000/rs6000.md (extendsfdf2): Remove default arguments.
4632         If HONOR_SNANS (SFmode) force the input to a register.
4633         (*extendsfdf2_fpr): Add !HONOR_SNANS (SFmode) condition.
4634         (*extendsfdf2_snan): New pattern, used when using SNaNs; it generates
4635         an frsp or similar insn.
4637 2017-02-17  Martin Liska  <mliska@suse.cz>
4639         PR rtl-optimization/79577
4640         * params.def (selsched-max-sched-times): Increase minimum to 1.
4642 2017-02-17  Martin Liska  <mliska@suse.cz>
4644         PR rtl-optimization/79574
4645         * gcse.c (want_to_gcse_p): Prevent integer overflow.
4647 2017-02-17  Martin Liska  <mliska@suse.cz>
4649         PR tree-optimization/79529
4650         * tree-ssa-loop-unswitch.c (is_maybe_undefined): Use
4651         ssa_defined_default_def_p to handle cases which are implicitly
4652         defined.
4653         * tree-ssa.c (ssa_defined_default_def_p): New function.
4654         (ssa_undefined_value_p): Use ssa_defined_default_def_p to handle cases
4655         which are implicitly defined.
4656         * tree-ssa.h (ssa_defined_default_def_p): Declare.
4658 2017-02-17  Richard Biener  <rguenther@suse.de>
4660         PR middle-end/79576
4661         * params.def (max-ssa-name-query-depth): Limit to 10.
4663 2017-02-17  Richard Biener  <rguenther@suse.de>
4665         PR tree-optimization/79552
4666         * tree-ssa-structalias.c (visit_loadstore): Properly verify
4667         default defs.
4669 2017-02-17  Richard Biener  <rguenther@suse.de>
4671         PR bootstrap/79567
4672         * genmatch.c (output_line_directive): Handle DIR_SEPARATOR_2.
4674 2017-02-17  Marek Polacek  <polacek@redhat.com>
4676         PR middle-end/79536
4677         * fold-const.c (fold_negate_expr_1): Renamed from fold_negate_expr.
4678         (fold_negate_expr): New wrapper.
4680 2017-02-16  Sandra Loosemore  <sandra@codesourcery.com>
4682         * doc/invoke.texi (C++ Dialect Options) [-Wno-non-template-friend]: 
4683         Correct terminology and de-emphasize pre-standard behavior.
4685 2017-02-16  Alan Modra  <amodra@gmail.com>
4687         PR rtl-optimization/79286
4688         * ira.c (def_dominates_uses): New function.
4689         (update_equiv_regs): Don't create an equivalence for insns that
4690         may trap where the register def does not dominate the use.
4692 2017-02-16  Vladimir Makarov  <vmakarov@redhat.com>
4694         PR rtl-optimization/78127
4695         * lra.c (lra): Call lra_eliminate before finish the loop after
4696         lra_constraint.
4698 2017-02-16  Richard Biener  <rguenther@suse.de>
4700         * graphite.h: Do not include isl/isl_val_gmp.h, instead include
4701         isl/isl_val.h.
4702         * graphite-isl-ast-to-gimple.c (gmp_cst_to_tree): Remove.
4703         (gcc_expression_from_isl_expr_int): Use generic isl_val interface.
4704         * graphite-sese-to-poly.c: Do not include isl/isl_val_gmp.h.
4705         (isl_val_int_from_wi): New function.
4706         (extract_affine_gmp): Rename to ...
4707         (extract_affine_wi): ... this, take a widest_int.
4708         (extract_affine_int): Just wrap extract_affine_wi.
4709         (add_param_constraints): Use isl_val_int_from_wi.
4710         (add_loop_constraints): Likewise, and extract_affine_wi.
4712 2017-02-15 Jeff Law  <law@redhat.com>
4714         PR middle-end/79521
4715         * ira-costs.c (scan_one_insn): Check have_regs_of_mode before calling
4716         ira_init_register_move_cost_if_necessary.
4718 2017-02-15  Martin Sebor  <msebor@redhat.com>
4720         PR middle-end/32003
4721         * doc/invoke.texi (-fdump-final-insns): Replace option accidentally
4722         removed in a prior commit.
4724 2017-02-15  Bin Cheng  <bin.cheng@arm.com>
4726         PR tree-optimization/79347
4727         * tree-vect-loop-manip.c (vect_do_peeling): Maintain profile
4728         counters during peeling.
4730 2017-02-15  Thomas Schwinge  <thomas@codesourcery.com>
4732         * Makefile.in (site.exp): Remove "set ISLVER".
4734 2017-02-15  Jakub Jelinek  <jakub@redhat.com>
4736         PR target/79487
4737         * real.c (real_from_integer): Call real_convert even for decimal.
4739 2017-02-15  Dominik Vogt  <vogt@linux.vnet.ibm.com>
4741         PR target/79421
4742         * config/s390/s390.c: define TARGET_CUSTOM_FUNCTION_DESCRIPTORS.
4744 2017-02-14  Andrew Pinski  <apinski@cavium.com>
4746         * config/aarch64/aarch64-cores.def (thunderx2t99): Move to under 'C"
4747         cores and change the partno/implementer to be correct.
4748         (thunderx2t99p1): New core which replaces thunderx2t99 and still has
4749         the 'B" as the implementer.
4750         * config/aarch64/aarch64-tune.md: Regenerate.
4752 2017-02-14  Carl Love  <cel@us.ibm.com>
4754         * config/rs6000/rs6000.c: Add case statement entry to make the
4755         xvcvuxdsp built-in argument unsigned.
4756         * config/rs6000/vsx.md: Fix the source and return operand types so they
4757         match the instruction definitions from the ISA document.  Fix typo
4758         in the instruction generation for the (define_insn "vsx_xvcvuxdsp"
4759         statement.
4761 2017-02-14  Vladimir Makarov  <vmakarov@redhat.com>
4763         PR target/79282
4764         * lra-int.h (struct lra_operand_data, struct lra_insn_reg): Add
4765         member early_clobber_alts.
4766         * lra-lives.c (reg_early_clobber_p): New.
4767         (process_bb_lives): Use it.
4768         * lra.c (new_insn_reg): New arg early_clobber_alts.  Use it.
4769         (debug_operand_data): Initialize early_clobber_alts.
4770         (setup_operand_alternative): Set up early_clobber_alts.
4771         (collect_non_operand_hard_regs): Ditto.  Pass early clobber
4772         alternatives to new_insn_reg.
4773         (add_regs_to_insn_regno_info): Add arg early_clobber_alts.  Use
4774         it.
4775         (lra_update_insn_regno_info): Pass the new arg.
4777 2017-02-14  Jakub Jelinek  <jakub@redhat.com>
4779         PR middle-end/79505
4780         * omp-offload.c (free_oacc_loop): Release loop->ifns vector.
4781         (new_oacc_loop_raw): Don't clear already cleared fields.
4783         PR target/79481
4784         * config/i386/avx512pfintrin.h (_mm512_prefetch_i32gather_pd,
4785         _mm512_prefetch_i32gather_ps, _mm512_prefetch_i64gather_pd,
4786         _mm512_prefetch_i64gather_ps): New inline functions and macros.
4788 2017-02-14  Uros Bizjak  <ubizjak@gmail.com>
4790         PR target/79495
4791         * config/i386/i386.md (*movxf_internal): Add (o,rC) alternative.
4793 2017-02-14  H.J. Lu  <hongjiu.lu@intel.com>
4795         PR target/79498
4796         * config/i386/i386.c (timode_scalar_chain::convert_insn): Insert
4797         the extra instruction to the right place to store 128-bit constant
4798         when needed.
4800 2017-02-14  Martin Sebor  <msebor@redhat.com>
4802         PR middle-end/79448
4803         * gimple-ssa-sprintf.c (format_directive): Avoid issuing INT_MAX
4804           warning for strings of unknown length.
4806 2017-02-13  Segher Boessenkool  <segher@kernel.crashing.org>
4808         * config.gcc (supported_defaults) [powerpc*-*-*]: Update.
4810 2017-02-14 Jeff Law  <law@redhat.com>
4812         PR target/79404
4813         * ira-costs.c (scan_one_insn): Initialize register move costs
4814         for pseudos seen in USE/CLOBBER insns.
4816         PR tree-optimization/79095
4817         * tree-vrp.c (extract_range_from_binary_expr_1): For EXACT_DIV_EXPR,
4818         if the numerator has the range ~[0,0] make the resultant range ~[0,0].
4819         (extract_range_from_binary_expr): For MINUS_EXPR with no derived range,
4820         if the operands are known to be not equal, then the resulting range
4821         is ~[0,0].
4822         (intersect_ranges): If the new range is ~[0,0] and the old range is
4823         wide, then prefer ~[0,0].
4824         * tree-vrp.c (overflow_comparison_p_1): New function.
4825         (overflow_comparison_p): New function.
4826         * tree-vrp.c (register_edge_assert_for_2): Register additional asserts
4827         if NAME is used in an overflow test.
4828         (vrp_evaluate_conditional_warnv_with_ops): If the ops represent an
4829         overflow check that can be expressed as an equality test, then adjust
4830         ops to be that equality test.
4832 2017-02-14  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4834         * config/s390/s390-builtin-types.def: Remove flags argument.
4835         * config/s390/s390.c (s390_init_builtins): Likewise.
4837 2017-02-14  Martin Liska  <mliska@suse.cz>
4839         * tree-ssa-loop-unswitch.c (hoist_guard): Release get_loop_body
4840         vector.  Fix trailing white spaces.
4842 2017-02-14  James Greenhalgh  <james.greenhalgh@arm.com>
4844         * config/aarch64/aarch64.c (aarch64_simd_container_mode): Handle
4845         HFmode.
4847 2017-02-14  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4849         PR rtl-optimization/68664
4850         * config/arm/arm.c (arm_sched_can_speculate_insn):
4851         New function.  Declare prototype.
4852         (TARGET_SCHED_CAN_SPECULATE_INSN): Define.
4854 2017-02-14  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4856         PR rtl-optimization/68664
4857         * config/aarch64/aarch64.c (aarch64_sched_can_speculate_insn):
4858         New function.
4859         (TARGET_SCHED_CAN_SPECULATE_INSN): Define.
4861 2017-02-14  Amit Pawar  <amit.pawar@amd.com>
4863         * config/i386/i386.c (znver1_cost): Fix the alignment for function and
4864         max skip bytes for function, loop and jump.
4866 2017-02-14  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
4868         * gimple-pretty-print.c (dump_unary_rhs): Adjust dump format for
4869         ABS_EXPR for gimple dump.
4871 2017-02-14  Jakub Jelinek  <jakub@redhat.com>
4873         PR target/79462
4874         * config/sh/sh.c (expand_cbranchdi4): Don't clear operands[4].
4876         PR tree-optimization/79408
4877         * tree-vrp.c (simplify_div_or_mod_using_ranges): Handle also the
4878         case when on TRUNC_MOD_EXPR op0 is INTEGER_CST.
4879         (simplify_stmt_using_ranges): Call simplify_div_or_mod_using_ranges
4880         also if rhs1 is INTEGER_CST.
4882 2017-02-14  Richard Biener  <rguenther@suse.de>
4884         PR middle-end/79432
4885         * tree-into-ssa.c (insert_phi_nodes): When the function can
4886         have abnormal edges rewrite SSA names with broken use-def
4887         dominance out of SSA and register them for PHI insertion.
4889 2017-02-13  Martin Sebor  <msebor@redhat.com>
4891         PR middle-end/79496
4892         * gimple-ssa-sprintf.c (pass_sprintf_length::handle_gimple_call): Avoid
4893         clearing info.nowrite flag when snprintf size argument is a range.
4895 2017-02-13  Jakub Jelinek  <jakub@redhat.com>
4897         * cprop.c (cprop_jump): Add missing space in string literal.
4898         * tree-ssa-structalias.c (rewrite_constraints): Likewise.
4899         (get_constraint_for_component_ref): Likewise.
4900         * df-core.c (df_worklist_dataflow_doublequeue): Likewise.
4901         * tree-outof-ssa.c (insert_partition_copy_on_edge): Likewise.
4902         * lra-constraints.c (process_alt_operands): Likewise.
4903         * ipa-inline.c (inline_small_functions): Likewise.
4904         * tree-ssa-sccvn.c (visit_reference_op_store): Likewise.
4905         * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Likewise.
4906         * trans-mem.c (diagnose_tm_1_op): Likewise.
4907         * omp-grid.c (grid_find_single_omp_among_assignments): Likewise.
4908         (grid_parallel_clauses_gridifiable): Likewise.
4910         * config/nvptx/mkoffload.c (process): Add space in between
4911         , and %d.
4913         * config/i386/i386.h (REG_CLASS_NAMES): Add , in between
4914         "MOD4_SSE_REGS" and "ALL_REGS".
4916         * spellcheck.c (test_data): Add , in between "foo" and "food".
4918 2017-02-13  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
4920         PR target/79449
4921         * config/rs6000/rs6000.c (expand_block_compare): Make sure runtime
4922         boundary crossing check and subsequent code generation agree.
4924 2017-02-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4926         * config/aarch64/aarch64.c (has_memory_op): Delete.
4927         (aarch64_madd_needs_nop): Use contains_mem_rtx_p instead of
4928         has_memory_op.
4930 2017-02-13  Jakub Jelinek  <jakub@redhat.com>
4932         PR rtl-optimization/79388
4933         PR rtl-optimization/79450
4934         * combine.c (distribute_notes): When removing TEM_INSN for which
4935         corresponding dest has last value recorded, invalidate that last
4936         value.
4938 2017-02-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4940         * config/arm/arm.c (arm_print_tune_info): Use ASM_COMMENT_START instead
4941         of explicit '@'.  Add missing assembly comment marker on branch costs
4942         printout.
4944 2017-02-13  Nathan Sidwell  <nathan@acm.org>
4946         * gengtype-lex.l (<in_struct>): Add '/'.
4948 2017-02-13  Martin Liska  <mliska@suse.cz>
4950         PR c/79471
4951         * calls.c (expand_call): Replace XALLOCAVEC with XCNEWVEC.
4953 2017-02-13  Richard Biener  <rguenther@suse.de>
4955         * configure.ac (HAVE_ISL_OPTIONS_SET_SCHEDULE_SERIALIZE_SCCS):
4956         Remove.
4957         * configure: Re-generate.
4958         * config.in: Likewise.
4959         * graphite-dependences.c: Simplify as if
4960         HAVE_ISL_OPTIONS_SET_SCHEDULE_SERIALIZE_SCCS was defined.
4961         * graphite-isl-ast-to-gimple.c: Likewise.
4962         * graphite-optimize-isl.c: Likewise.
4963         * graphite-poly.c: Likewise.
4964         * graphite-sese-to-poly.c: Likewise.
4965         * graphite.h: Likewise.
4966         * toplev.c: Include isl/version.h and use isl_version () for
4967         printing the ISL version.
4968         * doc/install.texi: Update ISL requirement.
4970 2017-02-12  Gerald Pfeifer  <gerald@pfeifer.com>
4972         * doc/standards.texi (Standards): Update reference to
4973         Objective-C 2.0.
4975 2017-02-12  Gerald Pfeifer  <gerald@pfeifer.com>
4976         
4977         * doc/extend.texi (Named Address Spaces): sourceware.org now
4978         defaults to https.
4979         * doc/install.texi (Binaries): Ditto.
4980         (Specific): Ditto.
4982 2017-02-11  Sandra Loosemore  <sandra@codesourcery.com>
4984         * doc/cpp.texi: Replace "stringify"/"stringification" with C 
4985         standard terminology "stringize"/"stringizing" throughout.
4986         * doc/cppinternals.texi: Likewise.
4988 2017-02-11  Sandra Loosemore  <sandra@codesourcery.com>
4990         * doc/extend.texi: Fix some spelling mistakes and typos.
4991         * doc/invoke.texi: Likewise.
4993 2017-02-11  Jan Hubicka  <hubicka@ucw.cz>
4995         PR ipa/79224
4996         * params.def (inline-min-speedup) Change from 10 to 8.
4998 2017-02-11  Jakub Jelinek  <jakub@redhat.com>
5000         * doc/invoke.texi (fopenmp): Bump OpenMP version from 4.0 to
5001         4.5.
5003 2017-02-11  Jan Hubicka  <hubicka@ucw.cz>
5005         PR ipa/79224
5006         * ipa-inline-analysis.c (get_minimal_bb): New function.
5007         (record_modified): Use it.
5008         (remap_edge_change_prob): Handle also ancestor functions.
5010 2017-02-11  Gerald Pfeifer  <gerald@pfeifer.com>
5012         * doc/contrib.texi (Contributors): Remove broken link into
5013         the Mauve CVS repository.
5015 2017-02-11  Jakub Jelinek  <jakub@redhat.com>
5017         PR middle-end/79454
5018         * internal-fn.c (expand_vector_ubsan_overflow): Use piece-wise
5019         result computation whenever lhs doesn't have vector mode, not
5020         just when it has BLKmode.
5022 2017-02-10  Gerald Pfeifer  <gerald@pfeifer.com>
5024         * doc/makefile.texi (profiledbootstrap): Refer to the
5025         installation instructions only in textual form.
5027 2017-02-10  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
5029         PR target/79295
5030         * config/rs6000/altivec.md (bcd<bcd_add_sub>): Fix constraints.
5032 2017-02-10  Gerald Pfeifer  <gerald@pfeifer.com>
5034         * doc/install.texi (Specific): Use https for blackfin.uclinux.org.
5035         (Specific): Update mingw-w64 reference.
5036         (Binaries): Ditto.
5037         (Specific): Remove broken link to Renesas RX processor.
5039 2017-02-10  Richard Biener  <rguenther@suse.de>
5041         * toplev.c (process_options): Do not mention obsolete graphite
5042         options when printing sorry message about missing graphite support.
5043         Mention -floop-nest-optimize.
5045 2017-02-10  Christophe Lyon  <christophe.lyon@linaro.org>
5047         * config/aarch64/arm_neon.h (vtst_p8): Rewrite without asm.
5048         (vtst_p16): Likewise.
5049         (vtstq_p8): Likewise.
5050         (vtstq_p16): Likewise.
5051         (vtst_p64): New.
5052         (vtstq_p64): Likewise.
5053         * config/arm/arm_neon.h (vgetq_lane_p64): New.
5054         (vset_lane_p64): New.
5055         (vsetq_lane_p64): New.
5057 2017-02-10  Jakub Jelinek  <jakub@redhat.com>
5059         PR tree-optimization/79411
5060         * tree-ssa-reassoc.c (is_reassociable_op): Return false if
5061         stmt operands are SSA_NAMEs used in abnormal phis.
5062         (can_reassociate_p): Return false if op is SSA_NAME used in abnormal
5063         phis.
5065 2017-02-09  Jan Hubicka  <hubicka@ucw.cz>
5067         PR ipa/70795
5068         * cgraphunit.c (cgraph_node::add_new_function): Set externally_visible
5069         flag if needed.
5071 2017-02-09  Jan Hubicka  <hubicka@ucw.cz>
5073         * tree-ssa-loop-unswitch.c (hoist_guard): Update profile.
5075 2017-02-09  Jakub Jelinek  <jakub@redhat.com>
5077         * omp-offload.c (oacc_loop_auto_partitions): Use || instead of |
5078         to avoid warning.
5080         PR c/79413
5081         * gimplify.h (is_gimple_sizepos): Only test for INTEGER_CST constants,
5082         not arbitrary TREE_CONSTANT.
5084         PR c/79431
5085         * gimplify.c (gimplify_adjust_omp_clauses): Ignore
5086         "omp declare target link" attribute unless is_global_var.
5087         * omp-offload.c (find_link_var_op): Likewise.
5089 2017-02-09  Nathan Sidwell  <nathan@codesourcery.com>
5090             Chung-Lin Tang  <cltang@codesourcery.com>
5092         * gimplify.c (gimplify_scan_omp_clauses): No special handling for
5093         OMP_CLAUSE_TILE.
5094         (gimplify_adjust_omp_clauses): Don't delete TILE.
5095         (gimplify_omp_for): Deal with TILE.
5096         * internal-fn.c (expand_GOACC_TILE): New function.
5097         * internal-fn.def (GOACC_DIM_POS): Comment may be overly conservative.
5098         (GOACC_TILE): New.
5099         * omp-expand.c (struct oacc_collapse): Add tile and outer fields.
5100         (expand_oacc_collapse_init): Add LOC paramter.  Initialize tile
5101         element fields.
5102         (expand_oacc_collapse_vars): Add INNER parm, adjust for tiling,
5103         avoid DIV for outermost collapse var.
5104         (expand_oacc_for): Insert tile element loop as needed.  Adjust.
5105         Remove out of date comments, fix whitespace.
5106         * omp-general.c (omp_extract_for_data): Deal with tiling.
5107         * omp-general.h (enum oacc_loop_flags): Add OLF_TILE flag,
5108         adjust OLF_DIM_BASE value.
5109         (struct omp_for_data): Add tiling field.
5110         * omp-low.c (scan_sharing_clauses): Allow OMP_CLAUSE_TILE.
5111         (lower_oacc_head_mark): Add OLF_TILE as appropriate.  Ensure 2 levels
5112         for auto loops.  Remove default auto determining, moved to
5113         oacc_loop_fixed_partitions.
5114         * omp-offload.c (struct oacc_loop): Change 'ifns' to vector of call
5115         stmts, add e_mask field.
5116         (oacc_dim_call): New function, abstracted out from oacc_thread_numbers.
5117         (oacc_thread_numbers): Use oacc_dim_call.
5118         (oacc_xform_tile): New.
5119         (new_oacc_loop_raw): Initialize e_mask, adjust for ifns vector.
5120         (finish_oacc_loop): Adjust for ifns vector.
5121         (oacc_loop_discover_walk): Append loop abstraction sites to list,
5122         add case for GOACC_TILE fns.
5123         (oacc_loop_xform_loop): Delete.
5124         (oacc_loop_process): Iterate over call list directly, and add
5125         handling for GOACC_TILE fns.
5126         (oacc_loop_fixed_partitions): Determine default auto, deal with TILE,
5127         dump partitioning.
5128         (oacc_loop_auto_partitions): Add outer_assign parm. Assign all but
5129         vector partitioning to outer loops.  Assign 2 partitions to loops
5130         when available. Add TILE handling.
5131         (oacc_loop_partition): Adjust oacc_loop_auto_partitions call.
5132         (execite_oacc_device_lower): Process GOACC_TILE fns, ignore unknown specs.
5133         * tree-nested.c (convert_nonlocal_omp_clauses): Allow OMP_CLAUSE_TILE.
5134         * tree.c (omp_clause_num_ops): Adjust TILE ops.
5135         * tree.h (OMP_CLAUSE_TILE_ITERVAR, OMP_CLAUSE_TILE_COUNT): New.
5137 2017-02-09  Gerald Pfeifer  <gerald@pfeifer.com>
5139         * configure.ac (ACX_BUGURL): Update.
5140         * configure: Regenerate.
5142 2017-02-09  Richard Biener  <rguenther@suse.de>
5144         PR tree-optimization/69823
5145         * graphite-scop-detection.c (scop_detection::harmful_loop_in_region):
5146         Properly enumerate all BBs in the region.  Use auto_vec/auto_bitmap.
5148 2017-02-09  Andrew Burgess  <andrew.burgess@embecosm.com>
5150         * config/arc/arc-c.def: Add __NPS400__ definition.
5151         * config/arc/arc.h (CPP_SPEC): Don't define __NPS400__ here.
5152         (TARGET_NPS400): Define.
5154 2017-02-09  Andrew Burgess  <andrew.burgess@embecosm.com>
5156         * config/arc/arc-arch.h (arc_arch_t): Move unchanged to earlier in
5157         file.
5158         (arc_cpu_t): Change base_architecture field, arch, to a arc_arc_t
5159         pointer, arch_info.
5160         (arc_cpu_types): Fill the arch_info field with a pointer into the
5161         arc_arch_types table.
5162         (arc_selected_cpu): Declare.
5163         * config/arc/arc.c (arc_selected_cpu): Make global.
5164         (arc_selected_arch): Delete.
5165         (arc_base_cpu): Delete.
5166         (arc_override_options): Remove references to deleted variables,
5167         update access to arch information.
5168         (ARC_OPT): Update access to arch information.
5169         (ARC_OPTX): Likewise.
5170         * config/arc/arc.h (arc_base_cpu): Remove declaration.
5171         (TARGET_ARC600): Update access to arch information.
5172         (TARGET_ARC601): Likewise.
5173         (TARGET_ARC700): Likewise.
5174         (TARGET_EM): Likewise.
5175         (TARGET_HS): Likewise.
5176         * config/arc/driver-arc.c (arc_cpu_to_as): Update access to arch
5177         information.
5179 2017-02-08  Pat Haugen  <pthaugen@us.ibm.com>
5181         PR target/78604
5182         * config/rs6000/rs6000.c (rs6000_emit_vector_cond_expr): Invert
5183         condition/operands for integer GE/LE/GEU/LEU operations.
5185 2017-02-08  Segher Boessenkool  <segher@kernel.crashing.org>
5187         PR translation/79397
5188         * config/rs6000/rs6000.opt (maltivec=le, maltivec=be): Fix spelling
5189         of AltiVec.
5191 2017-02-08  Martin Jambor  <mjambor@suse.cz>
5193         PR ipa/79375
5194         * ipa-prop.c (ipa_alloc_node_params): Make static, return bool
5195         whether allocation happened.
5196         (ipa_initialize_node_params): Do not call ipa_alloc_node_params if
5197         nothing was allocated.
5199 2017-02-08  Jakub Jelinek  <jakub@redhat.com>
5201         PR tree-optimization/79408
5202         * tree-vrp.c (simplify_div_or_mod_using_ranges): If op1 is not
5203         constant, but SSA_NAME with a known integer range, use the minimum
5204         of that range instead of op1 to determine if modulo can be replaced
5205         with its first operand.
5207 2016-02-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5209         * config/riscv/riscv.c (riscv_build_integer_1): Avoid use of INT16_MAX.
5211 2017-02-08  Richard Biener  <rguenther@suse.de>
5213         PR tree-optimization/71824
5214         * graphite-scop-detection.c (scop_detection::build_scop_breadth):
5215         Check all loops contained in the merged region.
5217 2017-02-07  Andrew Pinski  <apinski@cavium.com>
5219         * config/aarch64/aarch64.md (popcount<mode>2): New pattern.
5221 2017-02-07  Andrew Pinski  <apinski@cavium.com>
5223         * config/aarch64/aarch64-cores.def (thunderx): Disable LSE.
5224         (thunderxt88): Likewise.
5225         (thunderxt81): Disable LSE and change v8.1 to v8.
5226         (thunderxt83): Likewise.
5228 2017-02-07  Jakub Jelinek  <jakub@redhat.com>
5229             Richard Biener  <rguenther@suse.de>
5231         PR middle-end/79399
5232         * ira-int.h (struct target_ira_int): Change x_max_struct_costs_size
5233         type from int to size_t.
5234         * ira-costs.c (struct_costs_size): Change type from int to size_t.
5236 2017-02-07  Jakub Jelinek  <jakub@redhat.com>
5238         PR rtl-optimization/79386
5239         * cprop.c (bypass_conditional_jumps): Initialize
5240         bypass_last_basic_block already before splitting bbs after
5241         unconditional traps...
5242         (bypass_conditional_jumps): ... rather than here.
5244         PR target/79299
5245         * config/i386/sse.md (xtg_mode, gatherq_mode): New mode attrs.
5246         (*avx512f_gathersi<mode>, *avx512f_gathersi<mode>_2,
5247         *avx512f_gatherdi<mode>, *avx512f_gatherdi<mode>_2): Use them,
5248         fix -masm=intel patterns.
5250 2017-02-07  Richard Biener  <rguenther@suse.de>
5252         PR tree-optimization/79256
5253         PR middle-end/79278
5254         * builtins.c (get_object_alignment_2): Use min_align_of_type
5255         to extract alignment for MEM_REFs to honor BIGGEST_FIELD_ALIGNMENT
5256         and ADJUST_FIELD_ALIGN.
5258         * doc/tm.texi.in (ADJUST_FIELD_ALIGN): Adjust to take additional
5259         type parameter.
5260         * doc/tm.texi: Regenerate.
5261         * stor-layout.c (layout_decl): Adjust.
5262         (update_alignment_for_field): Likewise.
5263         (place_field): Likewise.
5264         (min_align_of_type): Likewise.
5265         * config/arc/arc.h (ADJUST_FIELD_ALIGN): Adjust.
5266         * config/epiphany/epiphany.h (ADJUST_FIELD_ALIGN): Likewise.
5267         * config/epiphany/epiphany.c (epiphany_adjust_field_align): Likewise.
5268         * config/frv/frv.h (ADJUST_FIELD_ALIGN): Likewise.
5269         * config/frv/frv.c (frv_adjust_field_align): Likewise.
5270         * config/i386/i386.h (ADJUST_FIELD_ALIGN): Likewise.
5271         * config/i386/i386.c (x86_field_alignment): Likewise.
5272         * config/rs6000/aix.h (ADJUST_FIELD_ALIGN): Likewise.
5273         * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Likewise.
5274         * config/rs6000/freebsd64.h (ADJUST_FIELD_ALIGN): Likewise.
5275         * config/rs6000/linux64.h (ADJUST_FIELD_ALIGN): Likewise.
5276         * config/rs6000/sysv4.h (ADJUST_FIELD_ALIGN): Likewise.
5277         * config/rs6000/rs6000.c (rs6000_special_adjust_field_align_p):
5278          Likewise.
5280         Revert
5281         2017-01-30  Richard Biener  <rguenther@suse.de>
5283         PR tree-optimization/79256
5284         * targhooks.c (default_builtin_vector_alignment_reachable): Honor
5285         BIGGEST_FIELD_ALIGNMENT and ADJUST_FIELD_ALIGN to fix up bogus
5286         alignment on TYPE.
5288 2017-02-07  Toma Tabacu  <toma.tabacu@imgtec.com>
5290         * config/mips/mips.c (mips_expand_builtin_insn): Convert the QImode
5291         argument of the pshufh, psllh, psllw, psrah, psraw, psrlh, psrlw
5292         builtins to SImode and emit a zero-extend, if necessary.
5294 2017-02-06  Palmer Dabbelt  <palmer@dabbelt.com>
5296         * docs/invoke.texi (RISC-V Options): Alphabetize.
5298 2017-02-06  Palmer Dabbelt  <palmer@dabbelt.com>
5300         * doc/invoke.texi (RISC-V Options): Use two spaces to separate
5301         options.
5303 2017-02-06  Palmer Dabbelt  <palmer@dabbelt.com>
5305         * config/riscv/riscv.c: New file.
5306         * gcc/common/config/riscv/riscv-common.c: Likewise.
5307         * config.gcc: Likewise.
5308         * config/riscv/constraints.md: Likewise.
5309         * config/riscv/elf.h: Likewise.
5310         * config/riscv/generic.md: Likewise.
5311         * config/riscv/linux.h: Likewise.
5312         * config/riscv/multilib-generator: Likewise.
5313         * config/riscv/peephole.md: Likewise.
5314         * config/riscv/pic.md: Likewise.
5315         * config/riscv/predicates.md: Likewise.
5316         * config/riscv/riscv-builtins.c: Likewise.
5317         * config/riscv/riscv-c.c: Likewise.
5318         * config/riscv/riscv-ftypes.def: Likewise.
5319         * config/riscv/riscv-modes.def: Likewise.
5320         * config/riscv/riscv-opts.h: Likewise.
5321         * config/riscv/riscv-protos.h: Likewise.
5322         * config/riscv/riscv.h: Likewise.
5323         * config/riscv/riscv.md: Likewise.
5324         * config/riscv/riscv.opt: Likewise.
5325         * config/riscv/sync.md: Likewise.
5326         * config/riscv/t-elf-multilib: Likewise.
5327         * config/riscv/t-linux: Likewise.
5328         * config/riscv/t-linux-multilib: Likewise.
5329         * config/riscv/t-riscv: Likewise.
5330         * configure.ac: Likewise.
5331         * doc/contrib.texi: Add Kito Cheng, Palmer Dabbelt, and Andrew
5332         Waterman as RISC-V maintainers.
5333         * doc/install.texi: Add RISC-V entries.
5334         * doc/invoke.texi: Add RISC-V options section.
5335         * doc/md.texi: Add RISC-V constraints section.
5336         * configure: Regenerated.
5338 2017-02-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
5340         PR target/66144
5341         * config/rs6000/vector.md (vcond<mode><mode>): Allow the true and
5342         false values to be constant vectors with all 0 or all 1 bits set.
5343         (vcondu<mode><mode>): Likewise.
5344         * config/rs6000/predicates.md (vector_int_reg_or_same_bit): New
5345         predicate.
5346         (fpmask_comparison_operator): Update comment.
5347         (vecint_comparison_operator): New predicate.
5348         * config/rs6000/rs6000.c (rs6000_emit_vector_cond_expr): Optimize
5349         vector conditionals when the true and false values are constant
5350         vectors with all 0 bits or all 1 bits set.
5352 2017-02-06  Martin Sebor  <msebor@redhat.com>
5354         PR  tree-optimization/79376
5355         * gimple-fold.c (get_range_strlen): Set the minimum length to zero.
5357 2017-02-06  Uros Bizjak  <ubizjak@gmail.com>
5359         * config/i386/sse.md (vector modes -> vec_extract* splitter): Use
5360         explicit subreg RTX with operand 1.  Use VECTOR_MODE_P predicate
5361         to simplify split condition.
5363 2017-02-06  Jakub Jelinek  <jakub@redhat.com>
5365         * omp-expand.c (oxpand_omp_atomic_fetch_op,
5366         expand_omp_atomic_pipeline): Return false if can_atomic_load_p is
5367         false.
5369 2017-02-06  Segher Boessenkool  <segher@kernel.crashing.org>
5371         PR rtl-optimization/68664
5372         * target.def (can_speculate_insn): New hook.
5373         * doc/tm.texi.in (TARGET_SCHED_CAN_SPECULATE_INSN): New hook.
5374         * doc/tm.texi: Regenerate.
5375         * sched-rgn.c (can_schedule_ready_p): Use the new hook.
5376         * config/rs6000/rs6000.c (TARGET_SCHED_CAN_SPECULATE_INSN): New macro.
5377         (rs6000_sched_can_speculate_insn): New function.
5379 2017-02-06  Jakub Jelinek  <jakub@redhat.com>
5381         PR tree-optimization/79284
5382         * tree-vectorizer.h (VECT_SCALAR_BOOLEAN_TYPE_P): Define.
5383         * tree-vect-stmts.c (vect_get_vec_def_for_operand,
5384         vectorizable_mask_load_store, vectorizable_operation,
5385         vect_is_simple_cond, get_same_sized_vectype): Use it instead
5386         of comparing TREE_CODE of a type against BOOLEAN_TYPE.
5387         * tree-vect-patterns.c (check_bool_pattern, search_type_for_mask_1,
5388         vect_recog_bool_pattern, vect_recog_mask_conversion_pattern): Likewise.
5389         * tree-vect-slp.c (vect_get_constant_vectors): Likewise.
5390         * tree-vect-loop.c (vect_determine_vectorization_factor): Likewise.
5391         Remove redundant gimple_code (stmt) == GIMPLE_ASSIGN test after
5392         is_gimple_assign (stmt).  Replace another such test with
5393         is_gimple_assign (stmt).
5395 2017-02-06  Georg-Johann Lay  <avr@gjlay.de>
5397         PR target/78883
5398         * config/avr/avr.c (rtl-iter.h): Include it.
5399         (TARGET_LEGITIMATE_COMBINED_INSN): New hook define...
5400         (avr_legitimate_combined_insn): ...and implementation.
5402 2017-02-06  Dominik Vogt  <vogt@linux.vnet.ibm.com>
5404         * config/s390/predicates.md ("larl_operand"): Use macros from hwint.h.
5405         * config/s390/s390.c (s390_const_operand_ok)
5406         (s390_canonicalize_comparison, s390_extract_part)
5407         (s390_single_part, s390_contiguous_bitmask_nowrap_p)
5408         (s390_contiguous_bitmask_p, s390_rtx_costs)
5409         (legitimize_pic_address): Likewise.
5410         * config/s390/s390.md ("clzdi2", "clztidi2"): Likewise.
5411         * config/s390/vx-builtins.md ("vec_genbytemaskv16qi")
5412         ("vec_permi<mode>", "vfae<mode>", "*vfaes<mode>", "vstrc<mode>")
5413         ("*vstrcs<mode>"): Use UINTVAL() to set unsigned HOST_WIDE_INT.
5414         * config/s390/vector.md ("vec_vfenes<mode>"): Likewise.
5416 2017-02-06  Georg-Johann Lay  <avr@gjlay.de>
5418         * config/avr/avr.md (*addhi3_zero_extend): Add alternative where
5419         REGNO($0) == REGNO($1).
5421 2017-02-06  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
5423         * config/s390/linux.h(SIZE_TYPE): Add comment.
5425 2017-02-06  Julian Brown  <julian@codesourcery.com>
5426             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
5427             Virendra Pathak  <virendra.pathak@broadcom.com>
5429         * config/aarch64/aarch64-cores.def: Change the scheduler
5430         to Thunderx2t99.
5431         * config/aarch64/aarch64.md: Include thunderx2t99.md.
5432         * config/aarch64/thunderx2t99.md: New file.
5434 2017-02-05  Gerald Pfeifer  <gerald@pfeifer.com>
5436         * doc/standards.texi (Go Language): Update link to language
5437         standard.
5439 2017-02-05  Jan Hubicka  <hubicka@ucw.cz>
5441         * tree-eh.c (lower_resx): Sanitize profile.
5442         (cleanup_empty_eh_move_lp): Likewise.
5444 2017-02-05  Jan Hubicka  <hubicka@ucw.cz>
5446         PR tree-ssa/79347
5447         * cfgloopmanip.c (lv_adjust_loop_entry_edge, loop_version): Add
5448         ELSE_PROB.
5449         * cfgloopmanip.h (loop_version): Update prototype.
5450         * modulo-sched.c (sms_schedule): Update call of loop_version.
5451         * tree-if-conv.c(version_loop_for_if_conversion): Likewise.
5452         * tree-parloops.c (gen_parallel_loop): Likewise.
5453         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Likewise.
5454         * tree-ssa-loop-split.c (split_loop): Likewise.
5455         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Likewise.
5456         * tree-vect-loop-manip.c (vect_loop_versioning): Likewise.
5458 2017-02-05  Martin Liska  <mliska@suse.cz>
5460         PR bootstrap/78985
5461         * config/s390/s390.c (s390_gimplify_va_arg): Initialize local
5462         variable to NULL.
5463         (print_operand_address): Initialize a struct to zero.
5465 2017-02-05  Gerald Pfeifer  <gerald@pfeifer.com>
5467         * doc/contrib.texi (Contributors): Refer to Hans Boehm's
5468         garbage collector only in textual form.
5470 2017-02-05  Gerald Pfeifer  <gerald@pfeifer.com>
5471         
5472         * doc/extend.texi (x86 specific memory model extensions for
5473         transactional memory): Simplify a phrase.
5475 2017-02-05  Eric Botcazou  <ebotcazou@adacore.com>
5477         PR target/79353
5478         * config/sparc/sync.md (atomic_loaddi_1): Replace 'U' constraint with
5479         'r', 'm' constraint with 'T' and !TARGET_ARCH64 with TARGET_ARCH32.
5480         (atomic_storedi_1): Likewise.
5482 2017-02-04  Jakub Jelinek  <jakub@redhat.com>
5484         PR tree-optimization/79338
5485         * tree-parloops.c (gather_scalar_reductions): Don't call
5486         vect_analyze_loop_form for loop->inner before destroying loop's
5487         loop_vinfo.
5489 2017-02-03  Martin Sebor  <msebor@redhat.com>
5491         PR tree-optimization/79327
5492         * gimple-ssa-sprintf.c (tree_digits): Avoid adding the base prefix
5493         when precision has resulted in leading zeros.
5494         (format_integer): Adjust the likely counter to assume an unknown
5495         argument that may be zero is non-zero.
5497 2017-02-03  Jason Merrill  <jason@redhat.com>
5499         PR c++/78689
5500         * tree-inline.c (copy_tree_body_r) [COND_EXPR]: Revert change to
5501         avoid copying non-taken branch.
5503 2017-02-03  Jakub Jelinek  <jakub@redhat.com>
5505         PR tree-optimization/79340
5506         * tree-vect-loop.c (vectorizable_reduction): Release
5507         vec_defs elements after safe_splicing them into other vectors.
5508         Formatting fixes.
5510         PR tree-optimization/79327
5511         * gimple-ssa-sprintf.c (adjust_range_for_overflow): If returning
5512         true, always set *argmin and *argmax to TYPE_{MIN,MAX}_VALUE of
5513         dirtype.
5514         (format_integer): Use wide_int_to_tree instead of build_int_cst
5515         + to_?hwi.  If argmin is NULL, just set argmin and argmax to
5516         TYPE_{MIN,MAX}_VALUE of argtype.  Simplify and fix computation
5517         of shortest and longest sequence.
5519 2017-02-03  Uros Bizjak  <ubizjak@gmail.com>
5521         * config/i386/i386.c (dimode_scalar_chain::convert_reg):
5522         Use pextrd for TARGET_SSE4_1 when creating scalar copy.
5524 2017-02-03  Walter Lee  <walt@tilera.com>
5526         PR target/78862
5527         * config/tilegx/tilegx.md (tilegx_expand_prologue): Add blockage
5528         after initial stackframe link reg save.
5529         * config/tilepro/tilepro.md (tilepro_expand_prologue): Likewise.
5531 2017-02-03  Jakub Jelinek  <jakub@redhat.com>
5533         PR target/79354
5534         * config/rs6000/rs6000.md (movsi_from_sf): Use wb constraint instead of
5535         wu for stxssp alternative.
5537 2017-02-03  Martin Sebor  <msebor@redhat.com>
5539         PR tree-optimization/79352
5540         * gimple-fold.c (get_range_strlen): Add argument.
5541         (get_range_strlen): Change return type to bool.
5542         (get_maxval_strlen): Pass in a dummy argument.
5543         * gimple-fold.h (get_range_strlen): Change return type to bool.
5544         * gimple-ssa-sprintf.c (get_string_length): Set unlikely counter.
5545         * tree.h (array_at_struct_end_p): Add argument.
5546         * tree.c (array_at_struct_end_p): Handle it.
5548 2017-02-03  Martin Liska  <mliska@suse.cz>
5550         PR lto/66295
5551         * multiple_target.c (create_dispatcher_calls): Redirect edge
5552         from a caller of a dispatcher.
5553         (expand_target_clones): Make the clones local.
5554         (ipa_target_clone): Do both target clones and resolvers.
5555         (ipa_dispatcher_calls): Remove the pass.
5556         (pass_dispatcher_calls::gate): Likewise.
5557         (make_pass_dispatcher_calls): Likewise.
5558         * passes.def (pass_target_clone): Put as very first IPA early
5559         pass.
5561 2017-02-03  Martin Liska  <mliska@suse.cz>
5563         * symtab.c (symtab_node::binds_to_current_def_p): Bail out
5564         in case of a function with ifunc attribute.
5566 2017-02-03  Martin Liska  <mliska@suse.cz>
5568         * cgraph.c (cgraph_node::dump): Dump function version info.
5569         * symtab.c (symtab_node::dump_base): Add missing new line.
5571 2017-02-02  Jan Hubicka  <hubicka@ucw.cz>
5573         * tree-ssa-ifcombine.c (update_profile_after_ifcombine): New function.
5574         (ifcombine_ifandif): Use it.
5576 2017-02-03  Martin Liska  <mliska@suse.cz>
5578         * doc/invoke.texi: Document default value for
5579         use-after-scope-direct-emission-threshold.
5581 2017-02-03  Martin Liska  <mliska@suse.cz>
5583         PR tree-optimization/79339
5584         * gimple-ssa-sprintf.c (format_floating_max): Call mpfr_clear.
5585         (format_floating): Likewise.
5587 2017-02-03  Martin Liska  <mliska@suse.cz>
5589         PR ipa/79337
5590         * ipa-prop.c (ipa_node_params_t::insert): Remove current
5591         implementation.
5592         (ipa_node_params_t::remove): Likewise.
5593         * ipa-prop.h (ipa_node_params::ipa_node_params): Make default
5594         initialization from removed ipa_node_params_t::insert.
5595         (ipa_node_params::~ipa_node_params): Move from removed
5596         ipa_node_params_t::release.
5597         * symbol-summary.h (symbol_summary::m_released): New member.
5598         Do not release a summary twice.  Do not allow to call finalizer
5599         for types of a summary that live in GGC memory.
5601 2017-02-02  Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
5603         * config/aarch64/aarch64.c (thunderx2t99_tunings): Enable AES and
5604         cmp_branch fusion.
5606 2017-02-02  Martin Sebor  <msebor@redhat.com>
5608         PR middle-end/79275
5609         * gimple-ssa-sprintf.c (get_string_length): Set lower bound to zero.
5610         (format_string): Tighten up the range of output for non-constant
5611         strings and correct the expected range for wide non-constant strings.
5613 2017-02-02  Martin Sebor  <msebor@redhat.com>
5615         * doc/invoke.texi (-maccumulate-args): Fix bad grammar.
5617         PR middle-end/32003
5618         * doc/invoke.texi (-fdump-tree-): Remove pass-specific options from
5619         index.
5620         (-fdump-tree-@var): Add to index and document how to come up
5621         with pass-specific option and dump file names.
5622         (-fdump-passes): Clarify where to look for output.
5624 2017-02-02  Jan Hubicka  <hubicka@ucw.cz>
5626         PR middle-end/77445
5627         * tree-ssa-threadbackward.c (profitable_jump_thread_path): Dump
5628         statistics of the analyzed path; allow threading for speed when
5629         any of BBs along the path are optimized for speed.
5631 2017-02-02  Eric Botcazou  <ebotcazou@adacore.com>
5633         PR middle-end/78468
5634         * emit-rtl.c (init_emit): Add ??? comment for problematic alignment
5635         settings of the virtual registers.
5637         Revert again
5638         2016-08-23  Dominik Vogt  <vogt@linux.vnet.ibm.com>
5640         * explow.c (get_dynamic_stack_size): Take known alignment of stack
5641         pointer + STACK_DYNAMIC_OFFSET into account when calculating the size
5642         needed.
5644 2017-02-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
5646         * config/s390/vx-builtins.md ("vec_ceil", "vec_floor")
5647         ("vec_trunc", "vec_roundc", "vec_round"): Remove expanders.
5649 2017-02-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
5651         * config/s390/s390.md: Add missing comments with the expanded
5652         mnemonics.
5653         * config/s390/vector.md: Likewise.
5654         * config/s390/vx-builtins.md: Likewise.
5656 2017-02-02  Jakub Jelinek  <jakub@redhat.com>
5658         PR target/79197
5659         * config/rs6000/rs6000.md (*fixuns_trunc<mode>di2_fctiduz): Rename to ...
5660         (fixuns_trunc<mode>di2): ... this, remove previous expander.  Put all
5661         conditions on a single line.
5663 2017-02-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
5665         * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Rename
5666         __S390_VX__ to __VX__.
5668 2017-02-01  Andrew Pinski  <apinski@cavium.com>
5670         * tree-vect-loop.c (vect_compute_single_scalar_iteration_cost): Pass
5671         stmt_info to record_stmt_cost.
5672         (vect_get_known_peeling_cost): Pass stmt_info if known to
5673         record_stmt_cost.
5674         * config/aarch64/aarch64-protos.h (cpu_vector_cost): Split
5675         cpu_vector_cost field into
5676         scalar_int_stmt_cost and scalar_fp_stmt_cost.  Split vec_stmt_cost
5677         field into vec_int_stmt_cost and vec_fp_stmt_cost.
5678         * config/aarch64/aarch64.c (generic_vector_cost): Update for the
5679         splitting of scalar_stmt_cost and vec_stmt_cost.
5680         (thunderx_vector_cost): Likewise.
5681         (cortexa57_vector_cost): LIkewise.
5682         (exynosm1_vector_cost): Likewise.
5683         (xgene1_vector_cost): Likewise.
5684         (thunderx2t99_vector_cost): Improve after the splitting of the two
5685         fields.
5686         (aarch64_builtin_vectorization_cost): Update for the splitting of
5687         scalar_stmt_cost and vec_stmt_cost.
5689 2017-02-01  Torvald Riegel  <triegel@redhat.com>
5690             Richard Henderson  <rth@redhat.com>
5692         * builtins.c (fold_builtin_atomic_always_lock_free): Make "lock-free"
5693         conditional on existance of a fast atomic load.
5694         * optabs-query.c (can_atomic_load_p): New function.
5695         * optabs-query.h (can_atomic_load_p): Declare it.
5696         * optabs.c (expand_atomic_exchange): Always delegate to libatomic if
5697         no fast atomic load is available for the particular size of access.
5698         (expand_atomic_compare_and_swap): Likewise.
5699         (expand_atomic_load): Likewise.
5700         (expand_atomic_store): Likewise.
5701         (expand_atomic_fetch_op): Likewise.
5702         * testsuite/lib/target-supports.exp
5703         (check_effective_target_sync_int_128): Remove x86 because it provides
5704         no fast atomic load.
5705         (check_effective_target_sync_int_128_runtime): Likewise.
5707 2017-02-01  Richard Biener  <rguenther@suse.de>
5709         * graphite.c: Include tree-vectorizer.h for find_loop_location.
5710         (graphite_transform_loops): Provide opt-info for optimized nests.
5711         * tree-parloop.c (parallelize_loops): Provide opt-info for
5712         parallelized loops.
5714 2017-02-01  Richard Biener  <rguenther@suse.de>
5716         PR middle-end/79315
5717         * tree-cfg.c (move_stmt_op): Never set TREE_BLOCK when it
5718         was not set before.
5720 2017-02-01  Richard Biener  <rguenther@suse.de>
5722         PR tree-optimization/71824
5723         * graphite-scop-detection.c (scop_detection::build_scop_breadth):
5724         Verify the loops are valid in the merged SESE region.
5725         (scop_detection::can_represent_loop_1): Check analyzing the
5726         evolution of the number of iterations in the region succeeds.
5728 2017-01-31  Ian Lance Taylor  <iant@golang.org>
5730         * config/i386/i386.c (ix86_expand_split_stack_prologue): Add
5731         REG_ARGS_SIZE note to 32-bit push insns and call insn.
5733 2017-01-31  David Malcolm  <dmalcolm@redhat.com>
5735         PR preprocessor/79210
5736         * input.c (get_substring_ranges_for_loc): Replace line_width
5737         assertion with error-handling.
5739 2017-01-31  Richard Biener  <rguenther@suse.de>
5741         PR tree-optimization/77318
5742         * graphite-sese-to-poly.c (extract_affine): Fix assert.
5743         (create_pw_aff_from_tree): Take loop parameter.
5744         (add_condition_to_pbb): Pass loop of the condition to
5745         create_pw_aff_from_tree.
5747 2017-01-31  Jakub Jelinek  <jakub@redhat.com>
5749         * config/s390/s390.c (s390_asan_shadow_offset): New function.
5750         (TARGET_ASAN_SHADOW_OFFSET): Redefine.
5752 2017-01-31  Michael Meissner  <meissner@linux.vnet.ibm.com>
5754         PR target/78597
5755         PR target/79038
5756         * config/rs6000/rs6000-protos.h (convert_float128_to_int): Delete,
5757         no longer used.
5758         (convert_int_to_float128): Likewise.
5759         * config/rs6000/rs6000.c (convert_float128_to_int): Likewise.
5760         (convert_int_to_float128): Likewise.
5761         * config/rs6000/rs6000.md (UNSPEC_IEEE128_MOVE): Likewise.
5762         (UNSPEC_IEEE128_CONVERT): Likewise.
5763         (floatsi<mode>2, FLOAT128 iterator): Bypass calling
5764         rs6000_expand_float128_convert if we have IEEE 128-bit hardware.
5765         Use local variables for IBM extended format.
5766         (fix_trunc<mode>si2, FLOAT128 iterator): Likewise.
5767         (fix_trunc<mode>si2_fprs): Likewise.
5768         (fixuns_trunc<IEEE128:mode><SDI:mode>2): Likewise.
5769         (floatuns<IEEE128:mode>2, IEEE128 iterator): Likewise.
5770         (fix<uns>_<mode>si2_hw): Rework the IEEE 128-bt hardware support
5771         to know that we can now have integers of all sizes in vector
5772         registers.
5773         (fix<uns>_<mode>di2_hw): Likewise.
5774         (float<uns>_<mode>si2_hw): Likewise.
5775         (fix_<mode>si2_hw): Likewise.
5776         (fixuns_<mode>si2_hw): Likewise.
5777         (float<uns>_<mode>di2_hw): Likewise.
5778         (float_<mode>di2_hw): Likewise.
5779         (float_<mode>si2_hw): Likewise.
5780         (floatuns_<mode>di2_hw): Likewise.
5781         (floatuns_<mode>si2_hw): Likewise.
5782         (xscvqp<su>wz_<mode>): Delete, no longer used.
5783         (xscvqp<su>dz_<mode>): Likewise.
5784         (xscv<su>dqp_<mode>): Likewise.
5785         (ieee128_mfvsrd_64bit): Likewise.
5786         (ieee128_mfvsrd_32bit): Likewise.
5787         (ieee128_mfvsrwz): Likewise.
5788         (ieee128_mtvsrw): Likewise.
5789         (ieee128_mtvsrd_64bit): Likewise.
5790         (ieee128_mtvsrd_32bit): Likewise.
5792 2017-01-31  Martin Liska  <mliska@suse.cz>
5794         PR ipa/79285
5795         * ipa-prop.c (ipa_free_all_node_params): Call release method
5796         instead of ~sumbol_summary to not to trigger double times
5797         dtor of hash_map.
5799 2017-01-31  Aldy Hernandez  <aldyh@redhat.com>
5801         PR tree-optimization/71691
5802         * bitmap.h (class auto_bitmap): New.
5803         * tree-ssa-loop-unswitch.c (tree_may_unswitch_on): Call
5804         is_maybe_undefined instead of ssa_undefined_value_p.
5806 2017-01-31  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
5808         * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Rename
5809         __S390_ARCH_LEVEL__ to __ARCH__.
5811 2017-01-31  Jakub Jelinek  <jakub@redhat.com>
5813         PR tree-optimization/79267
5814         * value-prof.c (gimple_ic): Only drop lhs for noreturn calls
5815         if should_remove_lhs_p is true.
5817 2017-01-30  Alexandre Oliva <aoliva@redhat.com>
5819         PR debug/63238
5820         * dwarf2out.c (clone_as_declaration): Drop DW_AT_alignment.
5821         (add_alignment_attribute): New.
5822         (base_type_die): Add alignment attribute.
5823         (subrange_type_die): Likewise.
5824         (modified_type_die): Likewise.
5825         (gen_array_type_die): Likewise.
5826         (gen_descr_array_type_die: Likewise.
5827         (gen_enumeration_type_die): Likewise.
5828         (gen_subprogram_die): Likewise.
5829         (gen_variable_die): Likewise.
5830         (gen_field_die): Likewise.
5831         (gen_ptr_to_mbr_type_die): Likewise.
5832         (gen_struct_or_union_type_die): Likewise.
5833         (gen_subroutine_type_die): Likewise.
5834         (gen_typedef_die): Likewise.
5835         (base_type_cmp): Compare alignment attribute.
5837 2017-01-30  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
5839         PR target/79170
5840         * config/rs6000/altivec.md (*setb_internal): Rename to setb_signed.
5841         (setb_unsigned) New pattern for setb with CCUNS.
5842         * config/rs6000/rs6000.c (expand_block_compare): Use a different
5843         subfc./subfe sequence to avoid overflow problems.  Generate a
5844         shorter sequence with cmpld/setb for power9.
5845         * config/rs6000/rs6000.md (subf<mode>3_carry_dot2): Add a new pattern
5846         for generating subfc. instruction.
5847         (cmpstrsi): Add TARGET_POPCNTD predicate as the generate sequence
5848         now uses this instruction.
5850 2017-01-30  Ian Lance Taylor  <iant@google.com>
5852         PR debug/79289
5853         * dwarf2out.c (gen_type_die_with_usage): When picking a variant
5854         for FUNCTION_TYPE/METHOD_TYPE, use the first matching one.
5856 2017-01-30  Martin Sebor  <msebor@redhat.com>
5858         * gimple-ssa-sprintf.c (fmtresult::adjust_for_width_or_precision):
5859         Move constant to the right of a relational operator.
5860         (get_mpfr_format_length, format_character, format_string): Ditto.
5861         (should_warn_p, maybe_warn): Same.
5863         * doc/invoke.texi (-Wformat-truncation=1): Fix typo.
5865 2017-01-30  Maxim Ostapenko  <m.ostapenko@samsung.com>
5867         PR lto/79061
5868         * asan.c (get_translation_unit_decl): Remove function.
5869         (asan_add_global): Force has_dynamic_init to zero in LTO mode.
5871 2017-01-30  Martin Liska  <mliska@suse.cz>
5873         PR gcov-profile/79259
5874         * opts.c (common_handle_option): Enable flag_ipa_bit_cp w/
5875         -fprofile-generate.
5877 2017-01-30  Martin Liska  <mliska@suse.cz>
5879         PR bootstrap/78985
5880         * config/aarch64/cortex-a57-fma-steering.c (func_fma_steering::analyze):
5881         Initialize variables with NULL value.
5883 2017-01-30  Richard Earnshaw  <rearnsh@arm.com>
5885         PR target/79260
5886         * config.gcc (arm*-*-*): Add arm/arm-flags.h and arm/arm-isa.h to
5887         tm_p_file.
5888         * arm/arm-protos.h: Don't directly include arm-flags.h and arm-isa.h.
5890 2017-01-30  Richard Biener  <rguenther@suse.de>
5892         PR tree-optimization/79276
5893         * tree-vrp.c (process_assert_insertions): Properly adjust common
5894         when removing a duplicate.
5896         * gcc.dg/torture/pr79276.c: New testcase.
5898 2017-01-30  Richard Biener  <rguenther@suse.de>
5900         PR tree-optimization/79256
5901         * targhooks.c (default_builtin_vector_alignment_reachable): Honor
5902         BIGGEST_FIELD_ALIGNMENT and ADJUST_FIELD_ALIGN to fix up bogus
5903         alignment on TYPE.
5904         * tree.c (build_aligned_type): Set TYPE_USER_ALIGN.
5906 2017-01-30  Dominik Vogt  <vogt@linux.vnet.ibm.com>
5908         PR target/79240
5909         * config/s390/s390.md ("*r<noxa>sbg_<mode>_srl_bitmask")
5910         ("*r<noxa>sbg_<mode>_sll_bitmask")
5911         ("*extzv_<mode>_srl<clobbercc_or_nocc>")
5912         ("*extzv_<mode>_sll<clobbercc_or_nocc>"):
5913         Use contiguous_bitmask_nowrap_operand.
5915 2017-01-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
5917         PR target/79268
5918         * config/rs6000/altivec.h (vec_xl): Revise #define.
5919         (vec_xst): Likewise.
5921 2017-01-27  Uros Bizjak  <ubizjak@gmail.com>
5923         * config/i386/i386.c (print_reg): Use REGNO instead of true_regnum.
5925 2017-01-27  Bernd Schmidt  <bschmidt@redhat.com>
5927         PR rtl-optimization/79194
5928         * cprop.c (one_cprop_pass): Move deletion of code after unconditional
5929         traps before call to bypass_conditional_jumps.
5931 2017-01-27  Vladimir Makarov  <vmakarov@redhat.com>
5933         PR tree-optimization/71374
5934         * lra-constraints.c (check_conflict_input_operands): New.
5935         (match_reload): Use it.
5937 2017-01-27  Vladimir Makarov  <vmakarov@redhat.com>
5939         PR target/79131
5940         * lra-assigns.c (find_hard_regno_for_1): Take endianess for into
5941         account to calculate conflict_set.
5943 2017-01-27  Bin Cheng  <bin.cheng@arm.com>
5945         PR rtl-optimization/78559
5946         * combine.c (try_combine): Discard REG_EQUAL and REG_EQUIV for
5947         other_insn in combine.
5949 2017-01-27  Pekka Jääskeläinen  <pekka.jaaskelainen@parmance.com>
5951         * builtin-types.def: Use unsigned_char_type_node for BT_UINT8.  Use
5952         uint16_type_node for BT_UINT16.
5954 2017-01-27  David Malcolm  <dmalcolm@redhat.com>
5956         * doc/sourcebuild.texi (Testsuites): Add "GIMPLE Tests" and
5957         "RTL Tests" to menu.
5958         (GIMPLE Tests): New node.
5959         (RTL Tests): New node.
5961 2017-01-27  Richard Biener  <rguenther@suse.de>
5963         PR tree-optimization/79245
5964         * tree-loop-distribution.c (distribute_loop): Apply cost
5965         modeling also to detected patterns.
5967 2017-01-27  Richard Biener  <rguenther@suse.de>
5969         PR tree-optimization/71433
5970         * tree-vrp.c (register_new_assert_for): Revert earlier changes.
5971         (compare_assert_loc): New function.
5972         (process_assert_insertions): Sort and optimize assert locations
5973         to remove duplicates and push down identical assertions on
5974         edges to their destination block.
5976 2017-01-27  Richard Biener  <rguenther@suse.de>
5978         PR tree-optimization/79244
5979         * tree-vrp.c (remove_range_assertions): Forcefully propagate
5980         out SSA names even if abnormal.
5982 2017-01-27  Jakub Jelinek  <jakub@redhat.com>
5984         * realmpfr.h: Poison MPFR_RND{N,Z,U,D}.
5985         * gimple-ssa-sprintf.c (format_floating_max): Use GMP_RNDN
5986         instead of MPFR_RNDN.
5988 2017-01-27  Richard Earnshaw  <rearnsha@arm.com>
5990         PR target/79239
5991         * arm.c (arm_option_override): Don't call build_target_option_node
5992         until after doing all option overrides.
5993         (arm_valid_target_attribute_tree): Likewise.
5995 2017-01-27  Martin Liska  <mliska@suse.cz>
5997         * doc/invoke.texi (-fprofile-arcs): Document profiling support
5998         for {cd}tors and C++ {cd}tors.
6000 2017-01-27  Dominik Vogt  <vogt@linux.vnet.ibm.com>
6002         * config/s390/s390.md ("*setmem_long_and")
6003         ("*setmem_long_and_31z"): Use zero_extend instead of and.
6005 2017-01-26  Martin Sebor  <msebor@redhat.com>
6007         * gimple-ssa-sprintf.c (format_floating): Simplify the computation
6008         of precision.
6010 2017-01-26  Martin Sebor  <msebor@redhat.com>
6012         * gimple-ssa-sprintf.c (format_floating): Test HAVE_XFmode and
6013         HAVE_DFmode before using XFmode or DFmode.
6014         (parse_directive): Avoid using the z length modifier to avoid
6015         the ISO C++98 does not support the â€˜z’ gnu_printf length modifier.
6017         PR middle-end/78703
6018         * gimple-ssa-sprintf.c (adjust_for_width_or_precision): Change
6019         to accept adjustment as an array.
6020         (get_int_range): New function.
6021         (struct directive): Make width and prec arrays.
6022         (directive::set_width, directive::set_precision): Call get_int_range.
6023         (format_integer, format_floating): Handle width and precision ranges.
6024         (format_string, parse_directive): Same.
6026 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
6028         PR debug/79129
6029         * dwarf2out.c (generate_skeleton_bottom_up): For children with
6030         comdat_type_p set, just clone them, but keep the children in the
6031         original DIE.
6033         PR debug/78835
6034         * dwarf2out.c (prune_unused_types): Mark all functions with DIEs
6035         which have direct callers with -fvar-tracking-assignments enabled
6036         in the current TU.
6037         (resolve_addr): Avoid adding skeleton DIEs for DW_AT_call_origin
6038         inside of type units.
6040 2017-01-26  Martin Sebor  <msebor@redhat.com>
6042         PR middle-end/78703
6043         * gimple-ssa-sprintf.c (struct result_range): Add likely and
6044         unlikely counters.
6045         (struct format_result): Replace number_chars, number_chars_min,
6046         and number_chars_max with a single member of struct result_range.
6047         Remove bounded.
6048         (format_result::operator+=): Adjust.
6049         (struct fmtresult): Remove bounded.  Handle likely and unlikely
6050         counters.
6051         (fmtresult::adjust_for_width_or_precision): New function.
6052         (fmtresult:type_max_digits): New function.
6053         (bytes_remaining): Handle likely and unlikely counters.
6054         (min_bytes_remaining): Remove.
6055         (format_percent): Simplify.
6056         (format_integer, format_floating): Set likely and unlikely counters.
6057         (get_string_length, format_character, format_string): Same.
6058         (format_plain, should_warn_p): New function.
6059         (maybe_warn): Call should_warn_p.  Update diagnostic messages
6060         and handle those for all directives, including plain strings.
6061         (format_directive): Handle likely and unlikely counters.
6062         Remove unnecessary quoting from diagnostics.  Add an informational
6063         note.
6064         (add_bytes): Remove.
6065         (pass_sprintf_length::compute_format_length): Simplify.
6066         (try_substitute_return_value): Handle likely and unlikely counters.
6068 2017-01-26  Carl Love  <cel@us.ibm.com>
6070         * config/rs6000/rs6000-c (altivec_overloaded_builtins): Remove
6071         bogus entries for the P8V_BUILTIN_VEC_VGBBD built-ins
6073 2017-01-26  Vladimir Makarov  <vmakarov@redhat.com>
6075         PR target/79131
6076         * lra-assigns.c (setup_live_pseudos_and_spill_after_risky): Take
6077         endianess for subregs into account.
6078         * lra-constraints.c (lra_constraints): Do risky transformations
6079         always on the first iteration.
6080         * lra-lives.c (check_pseudos_live_through_calls): Add arg
6081         last_call_used_reg_set.
6082         (process_bb_lives): Define and use last_call_used_reg_set.
6083         * lra.c (lra): Always continue after lra_constraints on the first
6084         iteration.
6086 2017-01-26  Kirill Yukhin  <kirill.yukhin@gmail.com>
6088         * gcc.target/i386/avx512bw-kshiftlq-2.c: Use unsigned long long
6089         constant.
6090         * gcc.target/i386/avx512bw-kshiftrq-2.c: Ditto.
6092 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
6094         * config/i386/avx512fintrin.h (_ktest_mask16_u8,
6095         _ktestz_mask16_u8, _ktestc_mask16_u8, _kadd_mask16): Move to ...
6096         * config/i386/avx512dqintrin.h (_ktest_mask16_u8,
6097         _ktestz_mask16_u8, _ktestc_mask16_u8, _kadd_mask16): ... here.
6098         * config/i386/i386-builtin.def (__builtin_ia32_ktestchi,
6099         __builtin_ia32_ktestzhi, __builtin_ia32_kaddhi): Use
6100         OPTION_MASK_ISA_AVX512DQ instead of OPTION_MASK_ISA_AVX512F.
6101         * config/i386/sse.md (SWI1248_AVX512BWDQ2): New mode iterator.
6102         (kadd<mode>, ktest<mode>): Use it instead of SWI1248_AVX512BWDQ.
6104 2017-01-26  Marek Polacek  <polacek@redhat.com>
6106         PR c/79199
6107         * fold-const.c (operand_equal_p) [COND_EXPR]: Use OP_SAME_WITH_NULL
6108         for the third operand.
6110 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
6112         PR middle-end/79236
6113         * omp-low.c (struct omp_context): Add simt_stmt field.
6114         (scan_omp_for): Return omp_context *.
6115         (scan_omp_simd): Set simt_stmt on the non-_simt_ SIMD
6116         context to the _simt_ SIMD stmt.
6117         (lower_omp_for): For combined SIMD with sibling _simt_
6118         SIMD, make sure to use the same decls in _looptemp_
6119         clauses as in the sibling.
6121 2017-01-26  David Sherwood  <david.sherwood@arm.com>
6123         PR middle-end/79212
6124         * gimplify.c (omp_notice_variable): Add GOVD_SEEN flag to variables in
6125         all contexts.
6127 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
6129         PR target/70465
6130         * reg-stack.c (emit_swap_insn): Instead of fld a; fld b; fxchg %st(1);
6131         emit fld b; fld a; if possible.
6133         * brig-builtins.def: Update copyright years.
6134         * config/arm/arm_acle_builtins.def: Update copyright years.
6136 2017-01-25  Michael Meissner  <meissner@linux.vnet.ibm.com>
6138         PR target/79179
6139         * config/rs6000/vsx.md (vsx_extract_<mode>_store): Use wY
6140         constraint instead of o for the stxsd instruction.
6142 2017-01-25  Carl Love  <cel@us.ibm.com>
6144         * config/rs6000/rs6000-c (altivec_overloaded_builtins): Fix order
6145         of entries for ALTIVEC_BUILTIN_VEC_PACKS and P8V_BUILTIN_VEC_VGBBD.
6147 2017-01-25  Jonathan Wakely  <jwakely@redhat.com>
6149         * doc/invoke.texi (C++ Dialect Options): Fix typo.
6151 2017-01-25  Richard Biener  <rguenther@suse.de>
6153         PR tree-optimization/69264
6154         * target.def (vector_alignment_reachable): Improve documentation.
6155         * doc/tm.texi: Regenerate.
6156         * targhooks.c (default_builtin_vector_alignment_reachable): Simplify
6157         and add a comment.
6158         * tree-vect-data-refs.c (vect_supportable_dr_alignment): Revert
6159         earlier changes with respect to TYPE_USER_ALIGN.
6160         (vector_alignment_reachable_p): Likewise.  Improve dumping.
6162 2016-01-25  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6164         PR target/79145
6165         * config/arm/arm.md (xordi3): Force constant operand into a register
6166         for TARGET_IWMMXT.
6168 2016-01-25  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6170         * doc/invoke.texi (-fstore-merging): Correct default optimization
6171         levels at which it is enabled.
6172         (-O): Move -fstore-merging from list to...
6173         (-O2): ... Here.
6175 2017-01-25  Richard Biener  <rguenther@suse.de>
6177         PR debug/78363
6178         * omp-expand.c: Include debug.h.
6179         (expand_omp_taskreg): Make sure to generate early debug before
6180         outlining anything from a function.
6181         (expand_omp_target): Likewise.
6182         (grid_expand_target_grid_body): Likewise.
6184 2017-01-25  Maxim Ostapenko  <m.ostapenko@samsung.com>
6186         PR lto/79061
6187         * asan.c (get_translation_unit_decl): New function.
6188         (asan_add_global): Extract modules file name from globals
6189         TRANSLATION_UNIT_DECL name.
6191 2017-01-24  Eric Botcazou  <ebotcazou@adacore.com>
6193         PR target/77439
6194         * config/arm/arm.c (arm_function_ok_for_sibcall): Add back restriction
6195         for long calls with APCS frame and VFP.
6197 2017-01-24  David Malcolm  <dmalcolm@redhat.com>
6199         * cfg.c (original_copy_tables_initialized_p): New function.
6200         * cfg.h (original_copy_tables_initialized_p): New decl.
6201         * cfgrtl.c (relink_block_chain): Guard the call to
6202         free_original_copy_tables with a call to
6203         original_copy_tables_initialized_p.
6204         * cgraph.h (symtab_node::native_rtl_p): New decl.
6205         * cgraphunit.c (symtab_node::native_rtl_p): New function.
6206         (symtab_node::needed_p): Don't assert for early assembly output
6207         for __RTL functions.
6208         (cgraph_node::finalize_function): Set "force_output" for __RTL
6209         functions.
6210         (cgraph_node::analyze): Bail out early for __RTL functions.
6211         (analyze_functions): Update assertion to support __RTL functions.
6212         (cgraph_node::expand): Bail out early for __RTL functions.
6213         * final.c (rest_of_clean_state): Don't call delete_tree_ssa for
6214         __RTL functions.
6215         * function.h (struct function): Update comment for field
6216         "pass_startwith".
6217         * gimple-expr.c: Include "tree-pass.h".
6218         (gimple_has_body_p): Return false for __RTL functions.
6219         * Makefile.in (OBJS): Add run-rtl-passes.o.
6220         * pass_manager.h (gcc::pass_manager::get_rest_of_compilation): New
6221         accessor.
6222         (gcc::pass_manager::get_clean_slate): New accessor.
6223         * passes.c: Include "insn-addr.h".
6224         (should_skip_pass_p): Add logging.  Update logic for running
6225         "expand" to be compatible with both __GIMPLE and __RTL.  Guard
6226         property-provider override so it is only done for gimple passes.
6227         Don't skip dfinit.
6228         (skip_pass): New function.
6229         (execute_one_pass): Call skip_pass when skipping passes.
6230         * read-md.c (md_reader::read_char): Support filtering
6231         the input to a subset of line numbers.
6232         (md_reader::md_reader): Initialize fields
6233         m_first_line and m_last_line.
6234         (md_reader::read_file_fragment): New function.
6235         * read-md.h (md_reader::read_file_fragment): New decl.
6236         (md_reader::m_first_line): New field.
6237         (md_reader::m_last_line): New field.
6238         * read-rtl-function.c (function_reader::create_function): Only
6239         create cfun if it doesn't already exist.  Set PROP_rtl on cfun's
6240         curr_properties.  Set DECL_INITIAL to a dummy block.
6241         (read_rtl_function_body_from_file_range): New function.
6242         * read-rtl-function.h (read_rtl_function_body_from_file_range):
6243         New decl.
6244         * run-rtl-passes.c: New file.
6245         * run-rtl-passes.h: New file.
6247 2017-01-24 Jeff Law  <law@redhat.com>
6249         * config/microblaze/microblaze.h (ASM_FORMAT_PRIVATE_NAME): Increase
6250         buffer size.
6252 2017-01-24  Bin Cheng  <bin.cheng@arm.com>
6254         PR tree-optimization/79159
6255         * tree-ssa-loop-niter.c (get_cst_init_from_scev): New function.
6256         (record_nonwrapping_iv): Improve boundary using above function if no
6257         value range information.
6259 2017-01-24  Pekka Jääskeläinen  <pekka@parmance.com>
6260             Martin Jambor  <mjambor@suse.cz>
6262         * brig-builtins.def: New file.
6263         * builtins.def (DEF_HSAIL_BUILTIN): New macro.
6264         (DEF_HSAIL_ATOMIC_BUILTIN): Likewise.
6265         (DEF_HSAIL_SAT_BUILTIN): Likewise.
6266         (DEF_HSAIL_INTR_BUILTIN): Likewise.
6267         (DEF_HSAIL_CVT_ZEROI_SAT_BUILTIN): Likewise.
6268         * builtin-types.def (BT_INT8): New.
6269         (BT_INT16): Likewise.
6270         (BT_UINT8): Likewise.
6271         (BT_UINT16): Likewise.
6272         (BT_FN_ULONG): Likewise.
6273         (BT_FN_UINT_INT): Likewise.
6274         (BT_FN_UINT_ULONG): Likewise.
6275         (BT_FN_UINT_LONG): Likewise.
6276         (BT_FN_UINT_PTR): Likewise.
6277         (BT_FN_ULONG_PTR): Likewise.
6278         (BT_FN_INT8_FLOAT): Likewise.
6279         (BT_FN_INT16_FLOAT): Likewise.
6280         (BT_FN_UINT32_FLOAT): Likewise.
6281         (BT_FN_UINT16_FLOAT): Likewise.
6282         (BT_FN_UINT8_FLOAT): Likewise.
6283         (BT_FN_UINT64_FLOAT): Likewise.
6284         (BT_FN_UINT16_UINT32): Likewise.
6285         (BT_FN_UINT32_UINT16): Likewise.
6286         (BT_FN_UINT16_UINT16_UINT16): Likewise.
6287         (BT_FN_INT_PTR_INT): Likewise.
6288         (BT_FN_UINT_PTR_UINT): Likewise.
6289         (BT_FN_LONG_PTR_LONG): Likewise.
6290         (BT_FN_ULONG_PTR_ULONG): Likewise.
6291         (BT_FN_VOID_UINT64_UINT64): Likewise.
6292         (BT_FN_UINT8_UINT8_UINT8): Likewise.
6293         (BT_FN_INT8_INT8_INT8): Likewise.
6294         (BT_FN_INT16_INT16_INT16): Likewise.
6295         (BT_FN_INT_INT_INT): Likewise.
6296         (BT_FN_UINT_FLOAT_UINT): Likewise.
6297         (BT_FN_FLOAT_UINT_UINT): Likewise.
6298         (BT_FN_ULONG_UINT_UINT): Likewise.
6299         (BT_FN_ULONG_UINT_PTR): Likewise.
6300         (BT_FN_ULONG_ULONG_ULONG): Likewise.
6301         (BT_FN_UINT_UINT_UINT): Likewise.
6302         (BT_FN_VOID_UINT_PTR): Likewise.
6303         (BT_FN_UINT_UINT_PTR: Likewise.
6304         (BT_FN_UINT32_UINT64_PTR): Likewise.
6305         (BT_FN_INT_INT_UINT_UINT): Likewise.
6306         (BT_FN_UINT_UINT_UINT_UINT): Likewise.
6307         (BT_FN_UINT_UINT_UINT_PTR): Likewise.
6308         (BT_FN_UINT_ULONG_ULONG_UINT): Likewise.
6309         (BT_FN_ULONG_ULONG_ULONG_ULONG): Likewise.
6310         (BT_FN_LONG_LONG_UINT_UINT): Likewise.
6311         (BT_FN_ULONG_ULONG_UINT_UINT): Likewise.
6312         (BT_FN_VOID_UINT32_UINT64_PTR): Likewise.
6313         (BT_FN_VOID_UINT32_UINT32_PTR): Likewise.
6314         (BT_FN_UINT_UINT_UINT_UINT_UINT): Likewise.
6315         (BT_FN_UINT_FLOAT_FLOAT_FLOAT_FLOAT): Likewise.
6316         (BT_FN_ULONG_ULONG_ULONG_UINT_UINT): Likewise.
6317         * doc/frontends.texi: List BRIG FE.
6318         * doc/install.texi (Testing): Add BRIG tesring requirements.
6319         * doc/invoke.texi (Overall Options): Mention BRIG.
6320         * doc/standards.texi (Standards): Doucment BRIG HSA version.
6322 2017-01-24  Richard Biener  <rguenther@suse.de>
6324         PR translation/79208
6325         * ipa-devirt.c (odr_types_equivalent_p): Fix typo in diagnostic.
6327 2017-01-24  Martin Jambor  <mjambor@suse.cz>
6329         PR bootstrap/79198
6330         * ipa-prop.c (ipa_free_all_node_params): Call summary destructor.
6331         * ipa-prop.c (ipa_node_params_t::insert): Initialize fields known_csts
6332         and known_contexts.
6334 2017-01-24  Aldy Hernandez  <aldyh@redhat.com>
6336         PR middle-end/79123
6337         * gimple-ssa-warn-alloca.c (alloca_call_type): Make sure
6338         casts from signed to unsigned really don't have a range.
6340 2017-01-24  Markus Trippelsdorf  <markus@trippelsdorf.de>
6342         * gimple-ssa-sprintf.c (format_floating): Change MPFR_RNDx to
6343         GMP_RNDx for compatiblity.
6345 2017-01-24  Martin Liska  <mliska@suse.cz>
6347         PR bootstrap/79132
6348         * tree-ssa-reassoc.c (rewrite_expr_tree_parallel): Insert assert
6349         that would prevent us to call alloca with -1 as argument.
6351 2017-01-24  Jakub Jelinek  <jakub@redhat.com>
6353         * dwarf2out.c (output_compilation_unit_header, output_file_names):
6354         Avoid -Wformat-security warning.
6356 2017-01-23  Andrew Pinski  <apinski@cavium.com>
6358         * config/aarch64/aarch64.c (thunderx2t99_addrcost_table): Improve
6359         cost table.
6361 2017-01-23  Martin Sebor  <msebor@redhat.com>
6363         PR middle-end/78703
6364         * gimple-ssa-sprintf.c (warn_level): New global.
6365         (format_integer): Use it here and throughout the rest of the file.
6366         Use the same switch to compute sign as base.
6367         (maybe_warn): New function.
6368         (format_directive): Factor out warnings into maybe_warn.
6369         Add debugging output.  Use warn_level.
6370         (add_bytes): Use warn_level.
6371         (pass_sprintf_length::compute_format_length): Add debugging output.
6372         (try_substitute_return_value): Same.
6373         (pass_sprintf_length::handle_gimple_call): Set and use warn_level.
6375         PR middle-end/78703
6376         * gimple-ssa-sprintf.c (struct format_result): Remove constant member.
6377         (struct fmtresult, format_integer, format_floating): Adjust.
6378         (fmtresult::fmtresult): Set max correctly in two argument ctor.
6379         (get_string_length, format_string,format_directive): Same.
6380         (pass_sprintf_length::compute_format_length): Same.
6381         (try_substitute_return_value): Simplify slightly.
6383         PR middle-end/78703
6384         * gimple-ssa-sprintf.c (pass_sprintf_length::gate): Adjust formatting.
6385         (fmtresult::operator+=): Outlined.
6386         (struct fmtresult): Add ctors.
6387         (struct conversion_spec): Rename...
6388         (struct directive): ...to this.  Add and remove data members.
6389         (directive::set_width, directive::set_precision): New functions.
6390         (format_percent): Use fmtresult ctor.
6391         (get_width_and_precision): Remove.
6392         (format_integer): Make naming changes.  Avoid computing width and
6393         precision.
6394         (format_floating): Same.  Adjust indentation.
6395         (format_character, format_none): New functions.
6396         (format_string): Moved character handling to format_character.
6397         (format_directive): Remove arguments, change return type.
6398         (parse_directive): New function.
6399         (pass_sprintf_length::compute_format_length): Move directive
6400         parsing to parse_directive.
6402 2017-01-23  Jakub Jelinek  <jakub@redhat.com>
6404         * tree.h (assign_assembler_name_if_neeeded): Rename to ...
6405         (assign_assembler_name_if_needed): ... this.
6406         * tree.c (assign_assembler_name_if_neeeded): Rename to ...
6407         (assign_assembler_name_if_needed): ... this.
6408         (free_lang_data_in_cgraph): Adjust callers.
6409         * cgraphunit.c (cgraph_node::analyze): Likewise.
6410         * omp-expand.c (expand_omp_taskreg, expand_omp_target):
6411         Likewise.
6413 2017-01-23  Richard Biener  <rguenther@suse.de>
6415         PR tree-optimization/79088
6416         PR tree-optimization/79188
6417         * tree-ssa-threadupdate.c (mark_threaded_blocks): Move code
6418         resetting loop bounds after last path deletion.  Reset loop
6419         bounds of the target loop, make code match the comments.
6420         * tree-ssa-threadbackwards.c (pass_early_thread_jumps::execute):
6421         Make sure loops need no fixups.
6423 2017-01-23  Kelvin Nilsen  <kelvin@gcc.gnu.org>
6425         * config/rs6000/rs6000-builtin.def (VSIEDPF): Add scalar insert
6426         exponent support with double type for first argument.
6427         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Changed
6428         type returned by __builtin_vec_extract_sig,
6429         __builtin_vec_extract_sig_sp, and __builtin_vec_extract_sig_dp
6430         functions from "vector int" to "vector unsigned int" or from
6431         "vector long long int" to "vector unsigned long long int".
6432         Changed type returned by __builtin_vec_extract_exp,
6433         __builtin_vec_extract_exp_sp, and __builtin_vec_extract_exp_dp
6434         functions from "vector int" to "vector unsigned int" or from
6435         "vector long long int" to "vector unsigned long long int".
6436         Changed return type of __builtin_vec_test_data_class,
6437         __builtin_vec_test_data_class_sp, and
6438         __builtin_vec_test_data_class_dp from "vector int" to
6439         "vector bool int" or from "vector long long int" to "vector bool
6440         long long int" and changed second argument type from "unsigned
6441         int" to "int".  Added new overloaded function forms "vector float
6442         __builtin_vec_insert_exp (vector float, vector unsigned int)" and
6443         "vector float __builtin_vec_insert_exp_sp (vector float, vector
6444         unsigned int)" and "vector double __builtin_vec_insert_exp (vector
6445         double, vector unsigned long long int)" and "vector double
6446         __builtin_vec_insert_exp_dp (vector double, vector unsigned long
6447         long int)".  Changed return type of
6448         __builtin_scalar_test_data_class and
6449         __builtin_scalar_test_data_class_sp and
6450         __builtin_scalar_test_data_class_dp from "unsigned int" to "bool
6451         int" and changed second argument from "unsigned int" to "int".
6452         Changed type returned by __builtin_scalar_test_neg,
6453         __builtin_scalar_test_neg_sp, and __builtin_scalar_test_neg_dp
6454         from "int" to "bool int".  Added new overloaded function form
6455         "double __builtin_scalar_insert_exp (double, unsigned long long int)".
6456         * config/rs6000/vsx.md (xsiexpdpf): New insn for scalar insert
6457         exponent double-precision with floating point first argument.
6458         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Adjust
6459         documentation of scalar_test_data_class, scalar_test_neg,
6460         scalar_extract_sig, scalar_extract_exp, scalar_insert_exp,
6461         vector_extract_exp, vec_extract_sig, vec_insert_exp, and
6462         vec_test_data_class built-in functions to reflect refinements in
6463         their type signatures.
6465 2017-01-23  Andreas Tobler  <andreast@gcc.gnu.org>
6467         * config/aarch64/aarch64.c (aarch64_elf_asm_constructor): Increase
6468         size of buf.
6469         (aarch64_elf_asm_destructor): Likewise.
6471 2017-01-23  Bernd Schmidt  <bschmidt@redhat.com>
6473         PR rtl-optimization/78634
6474         * config/i386/i386.c (ix86_max_noce_ifcvt_seq_cost): New function.
6475         (TARGET_MAX_NOCE_IFCVT_SEQ_COST): Define.
6476         * ifcvt.c (noce_try_cmove): Add missing cost check.
6478         PR rtl-optimization/71724
6479         * combine.c (if_then_else_cond): Look for situations where it is
6480         beneficial to undo the work of one of the recursive calls.
6482 2017-01-23  Bin Cheng  <bin.cheng@arm.com>
6484         PR tree-optimization/70754
6485         * tree-predcom.c (stmt_combining_refs): New parameter INSERT_BEFORE.
6486         (reassociate_to_the_same_stmt): New parameter INSERT_BEFORE.  Insert
6487         combined stmt before it if not NULL.
6488         (combine_chains): Process refs reversely and compute dominance point
6489         for root ref.
6491 2017-01-23  Martin Liska  <mliska@suse.cz>
6493         PR tree-optimization/79196
6494         * tree-ssa-strlen.c (fold_strstr_to_memcmp): Rename to ...
6495         (fold_strstr_to_strncmp): ... this.  Fold the pattern to strncmp
6496         instead of memcmp.
6497         (strlen_optimize_stmt): Call the renamed function.
6499 2017-01-23  Michael Matz  <matz@suse.de>
6501         PR tree-optimization/78384
6502         * tree-ssa-loop-split.c (patch_loop_exit): Use correct edge.
6504 2017-01-23  Richard Biener  <rguenther@suse.de>
6506         PR tree-optimization/79186
6507         * tree-vrp.c (register_new_assert_for): Make sure we've seen
6508         both incoming edges before moving an assert.
6510 2017-01-23  Martin Jambor  <mjambor@suse.cz>
6512         * ipa-prop.c (load_from_param_1): Removed.
6513         (load_from_unmodified_param): Bits from load_from_param_1 put back
6514         here.
6515         (load_from_param): Removed.
6516         (compute_complex_assign_jump_func): Removed stmt2 and just replaced it
6517         with stmt.  Reverted back to use of load_from_unmodified_param.
6519 2017-01-23  Martin Jambor  <mjambor@suse.cz>
6521         PR ipa/79108
6522         * ipa-prop.h (ipa_param_descriptor): Anotate with with GTY(()).
6523         (ipa_node_params): Annotate with GTY((for_user)).  Make descriptors
6524         field a pointer to garbage collected vector, mark lattices and
6525         ipcp_orig_node with GTY((skip)).
6526         (ipa_get_param_count): Adjust to descriptors being a pointer.
6527         (ipa_get_param): Likewise.
6528         (ipa_get_type): Likewise.
6529         (ipa_get_param_move_cost): Likewise.
6530         (ipa_set_param_used): Likewise.
6531         (ipa_get_controlled_uses): Likewise.
6532         (ipa_set_controlled_uses): Likewise.
6533         (ipa_is_param_used): Likewise.
6534         (ipa_node_params_t): Move into garbage collector.  New methods insert
6535         and remove.
6536         (ipa_node_params_sum): Annotate wth GTY(()).
6537         (ipa_check_create_node_params): Adjust to ipa_node_params_sum being
6538         garbage collected.
6539         (ipa_load_from_parm_agg): Adjust declaration.
6540         * ipa-icf.c (param_used_p): Adjust to descriptors being a pointer.
6541         * ipa-profile.c (ipa_profile): Likewise.
6542         * ipa-prop.c (ipa_get_param_decl_index_1): Likewise.
6543         (ipa_populate_param_decls): Make descriptors parameter garbage
6544         collected.
6545         (ipa_dump_param): Adjust to descriptors being a pointer.
6546         (ipa_alloc_node_params): Likewise.
6547         (ipa_initialize_node_params): Likewise.
6548         (load_from_param_1): Make descriptors parameter garbage collected.
6549         (load_from_unmodified_param): Likewise.
6550         (load_from_param): Likewise.
6551         (ipa_load_from_parm_agg): Likewise.
6552         (ipa_node_params::~ipa_node_params): Removed.
6553         (ipa_free_all_node_params): Remove call to delete operator.
6554         (ipa_node_params_t::insert): New.
6555         (ipa_node_params_t::remove): Likewise.
6556         (ipa_node_params_t::duplicate): Adjust to descriptors being a pointer,
6557         copy known_csts and known_contexts vectors.
6558         (ipa_read_node_info): Adjust to descriptors being a pointer.
6559         (ipcp_modif_dom_walker): Make m_descriptors field garbage
6560         collected.
6561         (ipcp_transform_function): Make descriptors variable garbage
6562         collected.
6564 2017-01-23  Andrew Senkevich  <andrew.senkevich@intel.com>
6566         * config/i386/avx512bwintrin.h: Add k-mask test, kortest intrinsics.
6567         * config/i386/avx512dqintrin.h: Ditto.
6568         * config/i386/avx512fintrin.h: Ditto.
6569         * gcc/config/i386/i386.c: Handle new builtins.
6570         * config/i386/i386-builtin.def: Add new builtins.
6571         * config/i386/sse.md (ktest<mode>, kortest<mode>): New.
6572         (UNSPEC_KORTEST, UNSPEC_KTEST): New.
6574 2017-01-23  Jakub Jelinek  <jakub@redhat.com>
6575             Martin Liska  <mliska@suse.cz>
6577         * asan.h: Define ASAN_USE_AFTER_SCOPE_ATTRIBUTE.
6578         * asan.c (asan_expand_poison_ifn): Support stores and use
6579         appropriate ASAN report function.
6580         * internal-fn.c (expand_ASAN_POISON_USE): New function.
6581         * internal-fn.def (ASAN_POISON_USE): Declare.
6582         * tree-into-ssa.c (maybe_add_asan_poison_write): New function.
6583         (maybe_register_def): Create ASAN_POISON_USE when sanitizing.
6584         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Remove
6585         ASAN_POISON calls w/o LHS.
6586         * tree-ssa.c (execute_update_addresses_taken): Create clobber
6587         for ASAN_MARK (UNPOISON, &x, ...) in order to prevent usage of a LHS
6588         from ASAN_MARK (POISON, &x, ...) coming to a PHI node.
6589         * gimplify.c (asan_poison_variables): Add attribute
6590         use_after_scope_memory to variables that really needs to live
6591         in memory.
6592         * tree-ssa.c (is_asan_mark_p): Do not rewrite into SSA when
6593         having the attribute.
6595 2017-01-23  Martin Liska  <mliska@suse.cz>
6597         * asan.c (create_asan_shadow_var): New function.
6598         (asan_expand_poison_ifn): Likewise.
6599         * asan.h (asan_expand_poison_ifn): New declaration.
6600         * internal-fn.c (expand_ASAN_POISON): Likewise.
6601         * internal-fn.def (ASAN_POISON): New builtin.
6602         * sanopt.c (pass_sanopt::execute): Expand
6603         asan_expand_poison_ifn.
6604         * tree-inline.c (copy_decl_for_dup_finish): Make function
6605         external.
6606         * tree-inline.h (copy_decl_for_dup_finish): Likewise.
6607         * tree-ssa.c (is_asan_mark_p): New function.
6608         (execute_update_addresses_taken): Rewrite local variables
6609         (identified just by use-after-scope as addressable) into SSA.
6611 2017-01-22  Gerald Pfeifer  <gerald@pfeifer.com>
6613         * doc/install.texi (Specific): opensource.apple.com uses https
6614         now. Remove trailing slash.
6616 2017-01-22  Gerald Pfeifer  <gerald@pfeifer.com>
6618         * README.Portability: Remove note on an Irix compatibility issue.
6620 2017-01-22  Dimitry Andric <dim@FreeBSD.org>
6622         * gcov.c (INCLUDE_ALGORITHM): Define.
6623         (INCLUDE_VECTOR): Define.
6624         No longer include <vector> and <algorithm> directly.
6626 2017-01-21  Gerald Pfeifer  <gerald@pfeifer.com>
6628         * doc/extend.texi (Thread-Local): Change www.akkadia.org reference
6629         to https.
6630         * doc/invoke.texi (Code Gen Options): Ditto.
6632 2017-01-21  Jan Hubicka  <hubicka@ucw.cz>
6634         PR lto/78407
6635         * cfg.c (update_bb_profile_for_threading): Fix updating of probablity.
6637 2017-01-21  Bernd Schmidt  <bschmidt@redhat.com>
6639         rtl-optimization/79125
6640         * cprop.c (local_cprop_pass): Handle cases where we make an
6641         unconditional trap.
6643 2017-01-20  Segher Boessenkool  <segher@kernel.crashing.org>
6645         PR target/61729
6646         PR target/77850
6647         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Adjust address to
6648         read from, for big endian.
6650 2017-01-20  Jiong Wang  <jiong.wang@arm.com>
6652         * config/aarch64/aarch64-builtins.c (aarch64_init_builtins): Register
6653         register pauth builtins for LP64 only.
6655 2017-01-20  Marek Polacek  <polacek@redhat.com>
6657         PR c/79152
6658         * gimplify.c (should_warn_for_implicit_fallthrough): Handle consecutive
6659         non-case labels.
6661 2017-01-20  Alexander Monakov  <amonakov@ispras.ru>
6663         * omp-expand.c (expand_omp_simd): Clear PROP_gimple_lomp_dev regardless
6664         of safelen status.
6665         * omp-offload.c (pass_omp_device_lower::gate): Use PROP_gimple_lomp_dev.
6666         * passes.c (dump_properties): Handle PROP_gimple_lomp_dev.
6667         * tree-inline.c (expand_call_inline): Propagate PROP_gimple_lomp_dev.
6669 2017-01-20  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6671         PR target/71270
6672         * config/arm/arm.c (neon_valid_immediate): Reject vector constants
6673         in big-endian mode when they are not a single duplicated value.
6675 2017-01-20  Richard Biener  <rguenther@suse.de>
6677         * BASE-VER: Bump to 7.0.1.
6679 2017-01-20  Alexander Monakov  <amonakov@ispras.ru>
6681         * omp-low.c (omplow_simd_context): New struct.  Use it...
6682         (lower_rec_simd_input_clauses): ...here and...
6683         (lower_rec_input_clauses): ...here to hold common data.  Adjust all
6684         references to idx, lane, max_vf, is_simt.
6686 2017-01-20  Graham Markall  <graham.markall@embecosm.com>
6688         * config/arc/arc.h (LINK_SPEC): Use arclinux_nps emulation when
6689         mcpu=nps400.
6691 2017-01-20  Martin Jambor  <mjambor@suse.cz>
6693         * hsa.h: Renaed to hsa-common.h.  Adjusted a comment.
6694         * hsa.c: Renaed to hsa-common.c.  Change include of gt-hsa.h to
6695         gt-hsa-common.h.
6696         * Makefile.in (OBJS): Rename hsa.o to hsa-common.o.
6697         (GTFILES): Rename hsa.c to hsa-common.c.
6698         * hsa-brig.c: Change include of hsa.h to hsa-common.h.
6699         * hsa-dump.c: Likewise.
6700         * hsa-gen.c: Likewise.
6701         * hsa-regalloc.c: Likewise.
6702         * ipa-hsa.c: Likewise.
6703         * omp-expand.c: Likewise.
6704         * omp-low.c: Likewise.
6705         * toplev.c: Likewise.
6707 2017-01-20  Marek Polacek  <polacek@redhat.com>
6709         PR c/64279
6710         * doc/invoke.texi: Document -Wduplicated-branches.
6711         * fold-const.c (operand_equal_p): Handle MODIFY_EXPR, INIT_EXPR,
6712         COMPOUND_EXPR, PREDECREMENT_EXPR, PREINCREMENT_EXPR,
6713         POSTDECREMENT_EXPR, POSTINCREMENT_EXPR, CLEANUP_POINT_EXPR, EXPR_STMT,
6714         STATEMENT_LIST, and RETURN_EXPR.  For non-pure non-const functions
6715         return 0 only when not OEP_LEXICOGRAPHIC.
6716         (fold_build_cleanup_point_expr): Use the expression
6717         location when building CLEANUP_POINT_EXPR.
6718         * tree-core.h (enum operand_equal_flag): Add OEP_LEXICOGRAPHIC.
6719         * tree.c (add_expr): Handle error_mark_node.
6721 2017-01-20  Martin Liska  <mliska@suse.cz>
6723         PR lto/69188
6724         * tree-profile.c (init_ic_make_global_vars): Do not call
6725         finalize_decl.
6726         (gimple_init_gcov_profiler): Likewise.
6728 2017-01-20  Martin Liska  <mliska@suse.cz>
6730         PR ipa/71190
6731         * cgraph.h (maybe_create_reference): Remove argument and
6732         update comment.
6733         * cgraphclones.c (cgraph_node::create_virtual_clone): Remove one
6734         argument.
6735         * ipa-cp.c (create_specialized_node): Likewise.
6736         * symtab.c (symtab_node::maybe_create_reference): Handle
6737         VAR_DECLs and ADDR_EXPRs and select ipa_ref_use type.
6739 2017-01-20  Martin Liska  <mliska@suse.cz>
6741         * read-rtl-function.c (function_reader::create_function): Use
6742         build_decl instread of build_decl_stat.
6744 2017-01-20  Andrew Senkevich  <andrew.senkevich@intel.com>
6746         * config/i386/avx512bwintrin.h: Add k-mask registers shift intrinsics.
6747         * config/i386/avx512dqintrin.h: Ditto.
6748         * config/i386/avx512fintrin.h: Ditto.
6749         * config/i386/i386-builtin-types.def: Add new types.
6750         * gcc/config/i386/i386.c: Handle new types.
6751         * config/i386/i386-builtin.def (__builtin_ia32_kshiftliqi)
6752         (__builtin_ia32_kshiftlihi, __builtin_ia32_kshiftlisi)
6753         (__builtin_ia32_kshiftlidi, __builtin_ia32_kshiftriqi)
6754         (__builtin_ia32_kshiftrihi, __builtin_ia32_kshiftrisi)
6755         (__builtin_ia32_kshiftridi): New.
6756         * config/i386/sse.md (k<code><mode>): Rename *k<code><mode>.
6758 2017-01-19  Segher Boessenkool  <segher@kernel.crashing.org>
6760         PR target/78875
6761         PR target/79140
6762         * config/rs6000/rs6000.c (TARGET_STACK_PROTECT_GUARD): Unconditionally
6763         define to rs6000_init_stack_protect_guard.
6764         (rs6000_init_stack_protect_guard): New function.
6766 2017-01-19  Matthew Fortune  <matthew.fortune@imgtec.com>
6767             Yunqiang Su  <yunqiang.su@imgtec.com>
6769         * config.gcc (supported_defaults): Add madd4.
6770         (with_madd4): Add validation.
6771         (all_defaults): Add madd4.
6772         * config/mips/mips.opt (mmadd4): New option.
6773         * gcc/config/mips/mips.h (OPTION_DEFAULT_SPECS): Add a default for
6774         mmadd4.
6775         (TARGET_CPU_CPP_BUILTINS): Add builtin_define for
6776         __mips_no_madd4.
6777         (ISA_HAS_UNFUSED_MADD4): Gate with mips_madd4.
6778         (ISA_HAS_FUSED_MADD4): Likewise.
6779         * gcc/doc/invoke.texi (-mmadd4): Document the new option.
6780         * gcc/doc/install.texi (--with-madd4): Document the new option.
6782 2017-01-19  Jiong Wang  <jiong.wang@arm.com>
6784         * config/aarch64/aarch64-builtins.c (enum aarch64_builtins): New
6785         entries for AARCH64_PAUTH_BUILTIN_XPACLRI,
6786         AARCH64_PAUTH_BUILTIN_PACIA1716, AARCH64_PAUTH_BUILTIN_AUTIA1716.
6787         (aarch64_init_pauth_hint_builtins): New.
6788         (aarch64_init_builtins): Call aarch64_init_pauth_hint_builtins.
6789         (aarch64_expand_builtin): Expand new builtins.
6791 2017-01-19  Jiong Wang  <jiong.wang@arm.com>
6793         * reg-notes.def (CFA_TOGGLE_RA_MANGLE): New reg-note.
6794         * combine-stack-adj.c (no_unhandled_cfa): Handle
6795         REG_CFA_TOGGLE_RA_MANGLE.
6796         * dwarf2cfi.c (dwarf2out_frame_debug): Handle REG_CFA_TOGGLE_RA_MANGLE.
6797         * config/aarch64/aarch64.c (aarch64_expand_prologue): Generates DWARF
6798         info for return address signing.
6799         (aarch64_expand_epilogue): Likewise.
6801 2017-01-19  Jiong Wang  <jiong.wang@arm.com>
6803         * config/aarch64/aarch64-opts.h (aarch64_function_type): New enum.
6804         * config/aarch64/aarch64-protos.h
6805         (aarch64_return_address_signing_enabled): New declaration.
6806         * config/aarch64/aarch64.c (aarch64_return_address_signing_enabled):
6807         New function.
6808         (aarch64_expand_prologue): Sign return address before it's pushed onto
6809         stack.
6810         (aarch64_expand_epilogue): Authenticate return address fetched from
6811         stack.
6812         (aarch64_override_options): Sanity check for ILP32 and ISA level.
6813         (aarch64_attributes): New function attributes for "sign-return-address".
6814         * config/aarch64/aarch64.md (UNSPEC_AUTI1716, UNSPEC_AUTISP,
6815         UNSPEC_PACI1716, UNSPEC_PACISP, UNSPEC_XPACLRI): New unspecs.
6816         ("*do_return"): Generate combined instructions according to key index.
6817         ("<pauth_mnem_prefix>sp", "<pauth_mnem_prefix1716", "xpaclri"): New.
6818         * config/aarch64/iterators.md (PAUTH_LR_SP, PAUTH_17_16): New integer
6819         iterators.
6820         (pauth_mnem_prefix, pauth_hint_num_a): New integer attributes.
6821         * config/aarch64/aarch64.opt (msign-return-address=): New.
6822         * doc/extend.texi (AArch64 Function Attributes): Documents
6823         "sign-return-address=".
6824         * doc/invoke.texi (AArch64 Options): Documents "-msign-return-address=".
6826 2017-01-19  Matthew Fortune  <matthew.fortune@imgtec.com>
6828         * doc/invoke.texi: Add missing -mlxc1-sxc1 options to
6829         overall option summary.
6831 2017-01-19  Jiong Wang  <jiong.wang@arm.com>
6833         * config/aarch64/aarch64-arches.def: New entry for "armv8.3-a".
6834         * config/aarch64/aarch64.h (AARCH64_FL_V8_3, AARCH64_FL_FOR_ARCH8_3,
6835         AARCH64_ISA_V8_3, TARGET_ARMV8_3): New.
6836         * doc/invoke.texi (AArch64 Options): Document "armv8.3-a".
6838 2017-01-19  Michael Meissner  <meissner@linux.vnet.ibm.com>
6840         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Enable
6841         -mpower9-minmax by default for -mcpu=power9.
6842         (ISA_3_MASKS_IEEE): Require -mvsx-small-integer to enable IEEE
6843         128-bit floating point.
6845 2017-01-20  Alan Modra  <amodra@gmail.com>
6847         * config/rs6000/rs6000.md (cmpstrnsi, cmpstrsi): Fail if
6848         optimizing for size.
6850 2017-01-20  Alan Modra  <amodra@gmail.com>
6852         PR target/79144
6853         * config/rs6000/rs6000.c (expand_strn_compare): Get the asm name
6854         for strcmp and strncmp from corresponding builtin decl.
6856 2017-01-19  Uros Bizjak  <ubizjak@gmail.com>
6858         * config.gcc (x86_64-*-rtems*): Use i386/rtemself.h
6859         instead of i386/rtems-64.h.
6860         * config/i386/rtems-64.h: Remove.
6862 2017-01-19  Uros Bizjak  <ubizjak@gmail.com>
6864         PR target/78478
6865         Revert:
6866         2013-11-05  Uros Bizjak  <ubizjak@gmail.com>
6868         * config/i386/rtemself.h (LONG_DOUBLE_TYPE_SIZE): New define.
6870 2017-01-19  Tamar Christina  <tamar.christina@arm.com>
6872         * config/aarch64/aarch64.c (aarch64_simd_gen_const_vector_dup):
6873         Change int to HOST_WIDE_INT.
6874         * config/aarch64/aarch64-protos.h
6875         (aarch64_simd_gen_const_vector_dup): Likewise.
6876         * config/aarch64/aarch64-simd.md: Add copysign<mode>3.
6878 2017-01-19  David Malcolm  <dmalcolm@redhat.com>
6880         * langhooks-def.h (lhd_type_for_size): New decl.
6881         (LANG_HOOKS_TYPE_FOR_SIZE): Define as lhd_type_for_size.
6882         * langhooks.c (lhd_type_for_size): New function, taken from
6883         lto_type_for_size.
6885 2017-01-19  Pat Haugen  <pthaugen@us.ibm.com>
6887         * config/rs6000/power9.md (power9-alu): Remove 'cmp' type and add
6888         define_bypass for CR latency.
6889         (power9-cracked-alu): Update bypass latency and remove power9-branch.
6890         (power9-alu2): Add define_bypass for CR latency.
6891         (power9-cmp): New.
6892         (power9-mul): Update insn latency.
6893         (power9-mul-compare): Update insn latency, bypass latency and remove
6894         power9-branch.
6896 2016-01-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6898         * config/aarch64/aarch64-protos.h (aarch64_nopcrelative_literal_loads):
6899         Delete.
6900         * config/aarch64/aarch64.md
6901         (aarch64_reload_movcp<GPF_TF:mode><P:mode>): Delete reference to
6902         aarch64_nopcrelative_literal_loads.
6903         (aarch64_reload_movcp<VALL:mode><P:mode>): Likewise.
6905 2017-01-19  Chenghua Xu  <paul.hua.gm@gmail.com>
6907         * config/mips/mips.h (ISA_HAS_FUSED_MADD4): Enable for
6908         TARGET_LOONGSON_3A.
6909         (ISA_HAS_UNFUSED_MADD4): Exclude TARGET_LOONGSON_3A.
6911 2017-01-19  Doug Gilmore  <doug.gilmore@imgtec.com>
6913         PR target/78176
6914         * config.gcc (supported_defaults): Add lxc1-sxc1.
6915         (with_lxc1_sxc1): Add validation.
6916         (all_defaults): Add lxc1-sxc1.
6917         * config/mips/mips.opt (mlxc1-sxc1): New option.
6918         * gcc/config/mips/mips.h (OPTION_DEFAULT_SPECS): Add a default for
6919         mlxc1-sxc1.
6920         (TARGET_CPU_CPP_BUILTINS): Add builtin_define for
6921         __mips_no_lxc1_sxc1.
6922         (ISA_HAS_LXC1_SXC1): Gate with mips_lxc1_sxc1.
6923         * gcc/doc/invoke.texi (-mlxc1-sxc1): Document the new option.
6924         * doc/install.texi (--with-lxc1-sxc1): Document the new option.
6926 2017-01-19  Richard Biener  <rguenther@suse.de>
6928         PR tree-optimization/72488
6929         * tree-ssa-sccvn.c (run_scc_vn): When we abort the VN make
6930         sure to restore SSA info.
6931         * tree-ssa.c (verify_ssa): Verify SSA info is not shared.
6933 2017-01-19  Richard Earnshaw  <rearnsha@arm.com>
6935         PR rtl-optimization/79121
6936         * expr.c (expand_expr_real_2, case LSHIFT_EXPR): Look at the signedness
6937         of the inner type when shifting an extended value.
6939 2017-01-17  Jan Hubicka  <hubicka@ucw.cz>
6941         PR lto/78407
6942         * symtab.c (symtab_node::equal_address_to): Fix comparing of
6943         interposable aliases.
6945 2017-01-18  Peter Bergner  <bergner@vnet.ibm.com>
6947         PR target/78516
6948         * config/rs6000/spe.md (mov_si<mode>_e500_subreg0): Fix constraints.
6949         Use the evmergelohi instruction.
6950         (mov_si<mode>_e500_subreg4_2_le): Likewise.
6951         (mov_sitf_e500_subreg8_2_be): Likewise.
6952         (mov_sitf_e500_subreg12_2_le): Likewise.
6953         (mov_si<mode>_e500_subreg0_2_le): Fix constraints.
6954         (mov_si<mode>_e500_subreg4_2_be): Likewise.
6955         (mov_sitf_e500_subreg8_2_le): Likewise.
6956         (mov_sitf_e500_subreg12_2_be): Likewise.
6958 2017-01-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
6960         * config/rs6000/altivec.md (altivec_vbpermq): Change "type"
6961         attribute from vecsimple to vecperm.
6962         (altivec_vbpermq2): Likewise.
6964 2017-01-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
6966         PR target/79040
6967         * config/rs6000/altivec.h: Fix typo of vec_cntlz to vec_cnttz.
6969 2017-01-18  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
6970         * config/rs6000/rs6000-protos.h (expand_strn_compare): Add arg.
6971         * config/rs6000/rs6000.c (expand_strn_compare): Add ability to expand
6972         strcmp. Fix bug where comparison didn't stop with zero byte. Fix
6973         case where N arg is SIZE_MAX.
6974         * config/rs6000/rs6000.md (cmpstrnsi): Args to expand_strn_compare.
6975         (cmpstrsi): Add pattern.
6977 2017-01-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
6979         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
6980         __builtin_vec_revb builtins.
6981         * config/rs6000/rs6000-builtins.def (P9V_BUILTIN_XXBRQ_V16QI): Add
6982         built-in functions to support generation of the ISA 3.0 XXBR<x>
6983         vector byte reverse instructions.
6984         (P9V_BUILTIN_XXBRQ_V1TI): Likewise.
6985         (P9V_BUILTIN_XXBRD_V2DI): Likewise.
6986         (P9V_BUILTIN_XXBRD_V2DF): Likewise.
6987         (P9V_BUILTIN_XXBGW_V4SI): Likewise.
6988         (P9V_BUILTIN_XXBGW_V4SF): Likewise.
6989         (P9V_BUILTIN_XXBGH_V8HI): Likewise.
6990         (P9V_BUILTIN_VEC_REVB): Likewise.
6991         * config/rs6000/vsx.md (p9_xxbrq_v1ti): New insns/expanders to
6992         generate the ISA 3.0 XXBR<x> vector byte reverse instructions.
6993         (p9_xxbrq_v16qi): Likewise.
6994         (p9_xxbrd_<mode>, VSX_D iterator): Likewise.
6995         (p9_xxbrw_<mode>, VSX_W iterator): Likewise.
6996         (p9_xxbrh_v8hi): Likewise.
6997         * config/rs6000/altivec.h (vec_revb): Define if ISA 3.0.
6998         * doc/extend.texi (RS/6000 Altivec Built-ins): Document the
6999         vec_revb built-in functions.
7001 2017-01-18  Uros Bizjak  <ubizjak@gmail.com>
7003         PR rtl-optimization/78952
7004         * config/i386/i386.md (any_extract): New code iterator.
7005         (*insvqi_2): Use any_extract for source operand.
7006         (*insvqi_3): Use any_shiftrt for source operand.
7008 2017-01-18  Wilco Dijkstra  <wdijkstr@arm.com>
7010         * config/aarch64/aarch64.c (aarch64_sched_adjust_priority)
7011         New function.
7012         (TARGET_SCHED_ADJUST_PRIORITY): Define target hook.
7014 2017-01-18  Matthias Klose  <doko@ubuntu.com>
7016         * doc/install.texi: Allow default for --with-target-bdw-gc-include.
7018 2016-01-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
7020         * config/rs6000/altivec.h (vec_bperm): Change #define.
7021         * config/rs6000/altivec.md (UNSPEC_VBPERMD): New enum constant.
7022         (altivec_vbpermq2): New define_insn.
7023         (altivec_vbpermd): Likewise.
7024         * config/rs6000/rs6000-builtin.def (VBPERMQ2): New monomorphic
7025         function interface.
7026         (VBPERMD): Likewise.
7027         (VBPERM): New polymorphic function interface.
7028         * config/rs6000/r6000-c.c (altivec_overloaded_builtins_table):
7029         Add entries for P9V_BUILTIN_VEC_VBPERM.
7030         * doc/extend.texi: Add interfaces for vec_bperm.
7032 2017-01-18  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7034         * config/s390/s390-c.c (s390_expand_overloaded_builtin): Downcase
7035         first letter of error messages.
7036         (s390_resolve_overloaded_builtin): Likewise.
7037         * config/s390/s390.c (s390_expand_builtin): Likewise.
7038         (s390_invalid_arg_for_unprototyped_fn): Likewise.
7039         (s390_valid_target_attribute_inner_p): Likewise.
7040         * config/s390/s390.md ("tabort"): Likewise.
7042 2017-01-18  Toma Tabacu  <toma.tabacu@imgtec.com>
7044         * config/mips/mips.h (ISA_HAS_DIV3): Remove unused macro.
7045         (ISA_AVOID_DIV_HILO): New macro.
7046         (ISA_HAS_DIV): Use new ISA_AVOID_DIV_HILO macro.
7047         (ISA_HAS_DDIV): Likewise.
7049 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
7051         * doc/invoke.texi (fabi-version): Correct number of occurrences.
7053 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
7055         * doc/invoke.texi (fabi-version): Spelling fix.
7057 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
7059         PR c++/70182
7060         * doc/invoke.texi (fabi-version): Mention mangling fix for
7061         operator names.
7063 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
7065         PR c++/77489
7066         * doc/invoke.texi (fabi-version): Document discriminator mangling.
7068 2017-01-17  Segher Boessenkool  <segher@kernel.crashing.org>
7070         PR target/78875
7071         * config/rs6000/rs6000-opts.h (stack_protector_guard): New enum.
7072         * config/rs6000/rs6000.c (rs6000_option_override_internal): Handle
7073         the new options.
7074         * config/rs6000/rs6000.md (stack_protect_set): Handle the new more
7075         flexible settings.
7076         (stack_protect_test): Ditto.
7077         * config/rs6000/rs6000.opt (mstack-protector-guard=,
7078         mstack-protector-guard-reg=, mstack-protector-guard-offset=): New
7079         options.
7080         * doc/invoke.texi (Option Summary) [RS/6000 and PowerPC Options]:
7081         Add -mstack-protector-guard=, -mstack-protector-guard-reg=, and
7082         -mstack-protector-guard-offset=.
7083         (RS/6000 and PowerPC Options): Ditto.
7085 2017-01-17  Uros Bizjak  <ubizjak@gmail.com>
7087         * config/i386/i386.h (MASK_CLASS_P): New define.
7088         * config/i386/i386.c (inline_secondary_memory_needed): Ensure that
7089         there are no registers from different register sets also when
7090         mask registers are used.  Update function comment.
7091         * config/i386/i386.md (*movsi_internal): Split (*k/*krm) alternative
7092         to (*k/*r) and (*k/*km) alternatives.
7094 2017-01-17  Wilco Dijkstra  <wdijkstr@arm.com>
7096         * config/aarch64/aarch64.md (eh_return): Remove pattern and splitter.
7097         * config/aarch64/aarch64.h (AARCH64_EH_STACKADJ_REGNUM): Remove.
7098         (EH_RETURN_HANDLER_RTX): New define.
7099         * config/aarch64/aarch64.c (aarch64_frame_pointer_required):
7100         Force frame pointer in EH return functions.
7101         (aarch64_expand_epilogue): Add barrier for eh_return.
7102         (aarch64_final_eh_return_addr): Remove.
7103         (aarch64_eh_return_handler_rtx): New function.
7104         * config/aarch64/aarch64-protos.h (aarch64_final_eh_return_addr):
7105         Remove.
7106         (aarch64_eh_return_handler_rtx): New prototype.
7108 2017-01-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
7110         * config/rs6000/altivec.h (vec_rlmi): New #define.
7111         (vec_vrlnm): Likewise.
7112         (vec_rlnm): Likewise.
7113         * config/rs6000/altivec.md (UNSPEC_VRLMI): New UNSPEC enum value.
7114         (UNSPEC_VRLNM): Likewise.
7115         (VIlong): New mode iterator.
7116         (altivec_vrl<VI_char>mi): New define_insn.
7117         (altivec_vrl<VI_char>nm): Likewise.
7118         * config/rs6000/rs6000-builtin.def (VRLWNM): New monomorphic
7119         function entry.
7120         (VRLDNM): Likewise.
7121         (RLNM): New polymorphic function entry.
7122         (VRLWMI): New monomorphic function entry.
7123         (VRLDMI): Likewise.
7124         (RLMI): New polymorphic function entry.
7125         * config/rs6000/r6000-c.c (altivec_overloaded_builtin_table): Add
7126         new entries for P9V_BUILTIN_VEC_RLMI and P9V_BUILTIN_VEC_RLNM.
7127         * doc/extend.texi: Add description of vec_rlmi, vec_rlnm, and
7128         vec_vrlnm.
7130 2017-01-17  Jakub Jelinek  <jakub@redhat.com>
7132         PR debug/78839
7133         * dwarf2out.c (field_byte_offset): Restore the
7134         PCC_BITFIELD_TYPE_MATTERS behavior for INTEGER_CST DECL_FIELD_OFFSET
7135         and DECL_FIELD_BIT_OFFSET.  Use fold_build2 instead of build2 + fold.
7136         (analyze_variants_discr, gen_variant_part): Use fold_build2 instead
7137         of build2 + fold.
7139 2017-01-17  Eric Botcazou  <ebotcazou@adacore.com>
7141         PR ada/67205
7142         * config/aarch64/aarch64.c (TARGET_CUSTOM_FUNCTION_DESCRIPTORS): Define
7144 2017-01-17  Jakub Jelinek  <jakub@redhat.com>
7146         PR debug/71669
7147         * dwarf2out.c (add_data_member_location_attribute): For constant
7148         offset bitfield emit for -gdwarf-5 DW_AT_data_bit_offset attribute
7149         instead of DW_AT_data_member_location, DW_AT_bit_offset and
7150         DW_AT_byte_size attributes.
7152 2017-01-17  Eric Botcazou  <ebotcazou@adacore.com>
7154         * config/rs6000/rs6000.c (rs6000_emit_move): Also use a TOC reference
7155         after forcing to constant memory when the code model is medium.
7157 2017-01-17  Julia Koval  <julia.koval@intel.com>
7159         PR target/76731
7160         * config/i386/avx512fintrin.h
7161         (_mm512_i32gather_ps): Change __addr type to void const*.
7162         (_mm512_mask_i32gather_ps): Ditto.
7163         (_mm512_i32gather_pd): Ditto.
7164         (_mm512_mask_i32gather_pd): Ditto.
7165         (_mm512_i64gather_ps): Ditto.
7166         (_mm512_mask_i64gather_ps): Ditto.
7167         (_mm512_i64gather_pd): Ditto.
7168         (_mm512_mask_i64gather_pd): Ditto.
7169         (_mm512_i32gather_epi32): Ditto.
7170         (_mm512_mask_i32gather_epi32): Ditto.
7171         (_mm512_i32gather_epi64): Ditto.
7172         (_mm512_mask_i32gather_epi64): Ditto.
7173         (_mm512_i64gather_epi32): Ditto.
7174         (_mm512_mask_i64gather_epi32): Ditto.
7175         (_mm512_i64gather_epi64): Ditto.
7176         (_mm512_mask_i64gather_epi64): Ditto.
7177         (_mm512_i32scatter_ps): Change __addr type to void*.
7178         (_mm512_mask_i32scatter_ps): Ditto.
7179         (_mm512_i32scatter_pd): Ditto.
7180         (_mm512_mask_i32scatter_pd): Ditto.
7181         (_mm512_i64scatter_ps): Ditto.
7182         (_mm512_mask_i64scatter_ps): Ditto.
7183         (_mm512_i64scatter_pd): Ditto.
7184         (_mm512_mask_i64scatter_pd): Ditto.
7185         (_mm512_i32scatter_epi32): Ditto.
7186         (_mm512_mask_i32scatter_epi32): Ditto.
7187         (_mm512_i32scatter_epi64): Ditto.
7188         (_mm512_mask_i32scatter_epi64): Ditto.
7189         (_mm512_i64scatter_epi32): Ditto.
7190         (_mm512_mask_i64scatter_epi32): Ditto.
7191         (_mm512_i64scatter_epi64): Ditto.
7192         (_mm512_mask_i64scatter_epi64): Ditto.
7193         * config/i386/avx512pfintrin.h
7194         (_mm512_mask_prefetch_i32gather_pd): Change __addr type to void const*.
7195         (_mm512_mask_prefetch_i32gather_ps): Ditto.
7196         (_mm512_mask_prefetch_i64gather_pd): Ditto.
7197         (_mm512_mask_prefetch_i64gather_ps): Ditto.
7198         (_mm512_prefetch_i32scatter_pd): Change __addr type to void*.
7199         (_mm512_prefetch_i32scatter_ps): Ditto.
7200         (_mm512_mask_prefetch_i32scatter_pd): Ditto.
7201         (_mm512_mask_prefetch_i32scatter_ps): Ditto.
7202         (_mm512_prefetch_i64scatter_pd): Ditto.
7203         (_mm512_prefetch_i64scatter_ps): Ditto.
7204         (_mm512_mask_prefetch_i64scatter_pd): Ditto.
7205         (_mm512_mask_prefetch_i64scatter_ps): Ditto.
7206         * config/i386/avx512vlintrin.h
7207         (_mm256_mmask_i32gather_ps): Change __addr type to void const*.
7208         (_mm_mmask_i32gather_ps): Ditto.
7209         (_mm256_mmask_i32gather_pd): Ditto.
7210         (_mm_mmask_i32gather_pd): Ditto.
7211         (_mm256_mmask_i64gather_ps): Ditto.
7212         (_mm_mmask_i64gather_ps): Ditto.
7213         (_mm256_mmask_i64gather_pd): Ditto.
7214         (_mm_mmask_i64gather_pd): Ditto.
7215         (_mm256_mmask_i32gather_epi32): Ditto.
7216         (_mm_mmask_i32gather_epi32): Ditto.
7217         (_mm256_mmask_i32gather_epi64): Ditto.
7218         (_mm_mmask_i32gather_epi64): Ditto.
7219         (_mm256_mmask_i64gather_epi32): Ditto.
7220         (_mm_mmask_i64gather_epi32): Ditto.
7221         (_mm256_mmask_i64gather_epi64): Ditto.
7222         (_mm_mmask_i64gather_epi64): Ditto.
7223         (_mm256_i32scatter_ps): Change __addr type to void*.
7224         (_mm256_mask_i32scatter_ps): Ditto.
7225         (_mm_i32scatter_ps): Ditto.
7226         (_mm_mask_i32scatter_ps): Ditto.
7227         (_mm256_i32scatter_pd): Ditto.
7228         (_mm256_mask_i32scatter_pd): Ditto.
7229         (_mm_i32scatter_pd): Ditto.
7230         (_mm_mask_i32scatter_pd): Ditto.
7231         (_mm256_i64scatter_ps): Ditto.
7232         (_mm256_mask_i64scatter_ps): Ditto.
7233         (_mm_i64scatter_ps): Ditto.
7234         (_mm_mask_i64scatter_ps): Ditto.
7235         (_mm256_i64scatter_pd): Ditto.
7236         (_mm256_mask_i64scatter_pd): Ditto.
7237         (_mm_i64scatter_pd): Ditto.
7238         (_mm_mask_i64scatter_pd): Ditto.
7239         (_mm256_i32scatter_epi32): Ditto.
7240         (_mm256_mask_i32scatter_epi32): Ditto.
7241         (_mm_i32scatter_epi32): Ditto.
7242         (_mm_mask_i32scatter_epi32): Ditto.
7243         (_mm256_i32scatter_epi64): Ditto.
7244         (_mm256_mask_i32scatter_epi64): Ditto.
7245         (_mm_i32scatter_epi64): Ditto.
7246         (_mm_mask_i32scatter_epi64): Ditto.
7247         (_mm256_i64scatter_epi32): Ditto.
7248         (_mm256_mask_i64scatter_epi32): Ditto.
7249         (_mm_i64scatter_epi32): Ditto.
7250         (_mm_mask_i64scatter_epi32): Ditto.
7251         (_mm256_i64scatter_epi64): Ditto.
7252         (_mm256_mask_i64scatter_epi64): Ditto.
7253         (_mm_i64scatter_epi64): Ditto.
7254         (_mm_mask_i64scatter_epi64): Ditto.
7255         * config/i386/i386-builtin-types.def (V16SF_V16SF_PCFLOAT_V16SI_HI_INT)
7256         (V8DF_V8DF_PCDOUBLE_V8SI_QI_INT, V8SF_V8SF_PCFLOAT_V8DI_QI_INT)
7257         (V8DF_V8DF_PCDOUBLE_V8DI_QI_INT, V16SI_V16SI_PCINT_V16SI_HI_INT)
7258         (V8DI_V8DI_PCINT64_V8SI_QI_INT, V8SI_V8SI_PCINT_V8DI_QI_INT)
7259         (V8DI_V8DI_PCINT64_V8DI_QI_INT, V2DF_V2DF_PCDOUBLE_V4SI_QI_INT)
7260         (V4DF_V4DF_PCDOUBLE_V4SI_QI_INT, V2DF_V2DF_PCDOUBLE_V2DI_QI_INT)
7261         (V4DF_V4DF_PCDOUBLE_V4DI_QI_INT, V4SF_V4SF_PCFLOAT_V4SI_QI_INT)
7262         (V8SF_V8SF_PCFLOAT_V8SI_QI_INT, V4SF_V4SF_PCFLOAT_V2DI_QI_INT)
7263         (V4SF_V4SF_PCFLOAT_V4DI_QI_INT, V2DI_V2DI_PCINT64_V4SI_QI_INT)
7264         (V4DI_V4DI_PCINT64_V4SI_QI_INT, V2DI_V2DI_PCINT64_V2DI_QI_INT)
7265         (V4DI_V4DI_PCINT64_V4DI_QI_INT, V4SI_V4SI_PCINT_V4SI_QI_INT)
7266         (V8SI_V8SI_PCINT_V8SI_QI_INT, V4SI_V4SI_PCINT_V2DI_QI_INT)
7267         (V4SI_V4SI_PCINT_V4DI_QI_INT, VOID_PFLOAT_HI_V16SI_V16SF_INT)
7268         (VOID_PFLOAT_QI_V8SI_V8SF_INT, VOID_PFLOAT_QI_V4SI_V4SF_INT)
7269         (VOID_PDOUBLE_QI_V8SI_V8DF_INT, VOID_PDOUBLE_QI_V4SI_V4DF_INT)
7270         (VOID_PDOUBLE_QI_V4SI_V2DF_INT, VOID_PFLOAT_QI_V8DI_V8SF_INT)
7271         (VOID_PFLOAT_QI_V4DI_V4SF_INT, VOID_PFLOAT_QI_V2DI_V4SF_INT)
7272         (VOID_PDOUBLE_QI_V8DI_V8DF_INT, VOID_PDOUBLE_QI_V4DI_V4DF_INT)
7273         (VOID_PDOUBLE_QI_V2DI_V2DF_INT, VOID_PINT_HI_V16SI_V16SI_INT)
7274         (VOID_PINT_QI_V8SI_V8SI_INT, VOID_PINT_QI_V4SI_V4SI_INT)
7275         (VOID_PLONGLONG_QI_V8SI_V8DI_INT, VOID_PLONGLONG_QI_V4SI_V4DI_INT)
7276         (VOID_PLONGLONG_QI_V4SI_V2DI_INT, VOID_PINT_QI_V8DI_V8SI_INT)
7277         (VOID_PINT_QI_V4DI_V4SI_INT, VOID_PINT_QI_V2DI_V4SI_INT)
7278         (VOID_PLONGLONG_QI_V8DI_V8DI_INT, VOID_QI_V8SI_PCINT64_INT_INT)
7279         (VOID_PLONGLONG_QI_V4DI_V4DI_INT, VOID_PLONGLONG_QI_V2DI_V2DI_INT)
7280         (VOID_HI_V16SI_PCINT_INT_INT, VOID_QI_V8DI_PCINT64_INT_INT)
7281         (VOID_QI_V8DI_PCINT_INT_INT): Remove.
7282         (V16SF_V16SF_PCVOID_V16SI_HI_INT,  V8DF_V8DF_PCVOID_V8SI_QI_INT)
7283         (V8SF_V8SF_PCVOID_V8DI_QI_INT, V8DF_V8DF_PCVOID_V8DI_QI_INT)
7284         (V16SI_V16SI_PCVOID_V16SI_HI_INT, V8DI_V8DI_PCVOID_V8SI_QI_INT)
7285         (V8SI_V8SI_PCVOID_V8DI_QI_INT, V8DI_V8DI_PCVOID_V8DI_QI_INT)
7286         (VOID_PVOID_HI_V16SI_V16SF_INT, VOID_PVOID_QI_V8SI_V8DF_INT)
7287         (VOID_PVOID_QI_V8DI_V8SF_INT, VOID_PVOID_QI_V8DI_V8DF_INT)
7288         (VOID_PVOID_HI_V16SI_V16SI_INT, VOID_PVOID_QI_V8SI_V8DI_INT)
7289         (VOID_PVOID_QI_V8DI_V8SI_INT, VOID_PVOID_QI_V8DI_V8DI_INT)
7290         (V2DF_V2DF_PCVOID_V4SI_QI_INT, V4DF_V4DF_PCVOID_V4SI_QI_INT)
7291         (V2DF_V2DF_PCVOID_V2DI_QI_INT, V4DF_V4DF_PCVOID_V4DI_QI_INT
7292         (V4SF_V4SF_PCVOID_V4SI_QI_INT, V8SF_V8SF_PCVOID_V8SI_QI_INT)
7293         (V4SF_V4SF_PCVOID_V2DI_QI_INT, V4SF_V4SF_PCVOID_V4DI_QI_INT)
7294         (V2DI_V2DI_PCVOID_V4SI_QI_INT, V4DI_V4DI_PCVOID_V4SI_QI_INT)
7295         (V2DI_V2DI_PCVOID_V2DI_QI_INT, V4DI_V4DI_PCVOID_V4DI_QI_INT)
7296         (V4SI_V4SI_PCVOID_V4SI_QI_INT, V8SI_V8SI_PCVOID_V8SI_QI_INT)
7297         (V4SI_V4SI_PCVOID_V2DI_QI_INT, V4SI_V4SI_PCVOID_V4DI_QI_INT)
7298         (VOID_PVOID_QI_V8SI_V8SF_INT, VOID_PVOID_QI_V4SI_V4SF_INT)
7299         (VOID_PVOID_QI_V4SI_V4DF_INT, VOID_PVOID_QI_V4SI_V2DF_INT)
7300         (VOID_PVOID_QI_V4DI_V4SF_INT, VOID_PVOID_QI_V2DI_V4SF_INT)
7301         (VOID_PVOID_QI_V4DI_V4DF_INT, VOID_PVOID_QI_V2DI_V2DF_INT)
7302         (VOID_PVOID_QI_V8SI_V8SI_INT, VOID_PVOID_QI_V4SI_V4SI_INT)
7303         (VOID_PVOID_QI_V4SI_V4DI_INT, VOID_PVOID_QI_V4SI_V2DI_INT)
7304         (VOID_PVOID_QI_V4DI_V4SI_INT, VOID_PVOID_QI_V2DI_V4SI_INT)
7305         (VOID_PVOID_QI_V4DI_V4DI_INT, VOID_PVOID_QI_V2DI_V2DI_INT)
7306         (VOID_QI_V8SI_PCVOID_INT_INT, VOID_HI_V16SI_PCVOID_INT_INT)
7307         (VOID_QI_V8DI_PCVOID_INT_INT): Add.
7308         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Adjust builtin
7309         definitions accordingly.
7311 2017-01-17  Kito Cheng  <kito.cheng@gmail.com>
7312             Kuan-Lin Chen  <kuanlinchentw@gmail.com>
7314         PR target/79079
7315         * internal-fn.c (expand_mul_overflow): Use convert_modes instead of
7316         gen_lowpart.
7318 2017-01-17  Vladimir Makarov  <vmakarov@redhat.com>
7320         PR target/79058
7321         * ira-conflicts.c (ira_build_conflicts): Update total conflict
7322         hard regs for inner regno.
7324 2017-01-17  Martin Liska  <mliska@suse.cz>
7326         PR ipa/71207
7327         * ipa-polymorphic-call.c (contains_type_p): Fix wrong
7328         assumption and add comment.
7330 2017-01-17  Nathan Sidwell  <nathan@acm.org>
7332         * ipa-visibility.c (localize_node): New function, broken out of ...
7333         (function_and_variable_visibility): ... here. Call it.
7335 2017-01-17  Jan Hubicka  <hubicka@ucw.cz>
7337         PR middle-end/77445
7338         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges):
7339         correctly set frequency of oudgoing edge.
7340         (duplicate_thread_path): Fix profile updating.
7342 2017-01-17  Jakub Jelinek  <jakub@redhat.com>
7344         PR other/79046
7345         * configure.ac: Add GCC_BASE_VER.
7346         * Makefile.in (version): Use @get_gcc_base_ver@ instead of cat to get
7347         version from BASE-VER file.
7348         (CFLAGS-gcc.o): Add -DBASEVER=$(BASEVER_s).
7349         (gcc.o): Depend on $(BASEVER).
7350         * common.opt (dumpfullversion): New option.
7351         * gcc.c (driver_handle_option): Handle OPT_dumpfullversion.
7352         * doc/invoke.texi: Document -dumpfullversion.
7353         * doc/install.texi: Document --with-gcc-major-version-only.
7354         * configure: Regenerated.
7356 2017-01-17  Richard Biener  <rguenther@suse.de>
7358         PR tree-optimization/71433
7359         * tree-vrp.c (register_new_assert_for): Merge same asserts
7360         on all incoming edges.
7361         (process_assert_insertions_for): Handle insertions at the
7362         beginning of BBs.
7364 2017-01-17  Gerald Pfeifer  <gerald@pfeifer.com>
7366         * config/i386/cygwin.h (LIBGCJ_SONAME): Remove.
7367         * config/i386/mingw32.h (LIBGCJ_SONAME): Remove.
7369 2017-01-17  Kaz Kojima  <kkojima@gcc.gnu.org>
7371         PR target/78633
7372         * config/sh/sh.md (cmpeqsi_t+1): Call copy_rtx to avoid invalid
7373         RTL sharing.
7375 2017-01-17  Alan Modra  <amodra@gmail.com>
7377         PR target/79066
7378         * config/rs6000/rs6000.md (elf_high, elf_low): Disable when pic.
7379         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Don't allow
7380         symbolic stack limit when pic.
7382 2017-01-16  Martin Sebor  <msebor@redhat.com>
7384         PR tree-optimization/78608
7385         * gimple-ssa-sprintf.c (tree_digits): Avoid negating TYPE_MIN.
7387 2017-01-16  Jeff Law  <law@redhat.com>
7389         Revert:
7390         2016-12-02  Tadek Kijkowski  <tkijkowski@gmail.com>
7391         * Makefile.in (PREPROCESSOR_DEFINES): Add a level of indirection
7392         for several include directories that may be relative to sysroot.
7393         * config/i386/x-mingw32 (gplus_includedir): Define.
7394         (gplus_tool_includedir, gplus_backward_include_dir): Likewise.
7395         (native_system_includedir): Likewise.
7396         * config/i386/mingw32.h (STANDARD_STARTFILE_PREFIX_1): Do not
7397         override if TARGET_SYSTEM_ROOT is defined.
7398         (NATIVE_SYSTEM_HEADER_DIR): Likewise.
7400         PR tree-optimization/79090
7401         PR tree-optimization/33562
7402         PR tree-optimization/61912
7403         PR tree-optimization/77485
7404         * tree-ssa-dse.c (compute_trims): Accept STMT argument.  Dump STMT
7405         and computed trims into the dump file.
7407 2017-01-17  Uros Bizjak  <ubizjak@gmail.com>
7409         * config/i386/i386.h (LIMIT_RELOAD_CLASS): Remove.
7411 2017-01-16  Jakub Jelinek  <jakub@redhat.com>
7413         PR c/79089
7414         * gimplify.c (gimplify_init_constructor): If want_value and
7415         object == lhs, unshare lhs to avoid invalid tree sharing.  Formatting
7416         fix.
7418         PR target/79080
7419         * loop-doloop.c (doloop_modify): Call unshare_all_rtl_in_chain on
7420         sequence.  Formatting fixes.
7421         (doloop_optimize): Formatting fixes.
7423         PR driver/49726
7424         * gcc.c (debug_level_greater_than_spec_func): New function.
7425         (static_spec_functions): Add debug-level-gt spec function.
7426         (ASM_DEBUG_SPEC, cpp_options): Use %:debug-level-gt(0) instead of
7427         !g0.
7428         * config/darwin.h (DSYMUTIL_SPEC, ASM_DEBUG_SPEC): Likewise.
7429         * config/darwin9.h (DSYMUTIL_SPEC, ASM_DEBUG_SPEC): Likewise.
7430         * common.opt (g, gcoff, gdwarf, gdwarf-, ggdb, gno-pubnames,
7431         gpubnames, ggnu-pubnames, gno-record-gcc-switches,
7432         grecord-gcc-switches, gno-strict-dwarf, gstrict-dwarf, gstabs,
7433         gstabs+, gtoggle, gvms, gxcoff, gxcoff+): Add Driver flag.
7435 2017-01-16  Uros Bizjak  <ubizjak@gmail.com>
7437         * config/i386/i386.h (HARD_REGNO_CALLER_SAVE_MODE): Apply HImode and
7438         QImode fixups to general and mask registers only.
7440 2017-01-16  Carl Love  <cel@us.ibm.com>
7442         * config/rs6000/rs6000-c (altivec_overloaded_builtins): Add support
7443         for built-in functions
7444         vector signed char vec_nabs (vector signed char)
7445         vector signed short vec_nabs (vector signed short)
7446         vector signed int vec_nabs (vector signed int)
7447         vector signed long long vec_nabs (vector signed long long)
7448         vector float vec_nabs (vector float)
7449         vector double vec_nabs (vector double)
7450         * config/rs6000/rs6000-builtin.def: Add definitions for NABS functions
7451         and NABS overload.
7452         * config/rs6000/altivec.md: New define_expand nabs<mode>2 types
7453         * config/rs6000/altivec.h: New define for vec_nabs built-in function.
7454         * doc/extend.texi: Update the documentation file for the new built-in
7455         functions.
7457 2017-01-16  Martin Sebor  <msebor@redhat.com>
7459         * gimple-ssa-sprintf.c (format_directive): Correct a typo in a warning
7460         message.
7462 2017-01-16  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
7464         * config/rs6000/rs6000.c (rtx_is_swappable_p): Change
7465         UNSPEC_VSX__XXSPLTD to require special splat handling.
7467 2017-01-16  David Malcolm  <dmalcolm@redhat.com>
7469         PR bootstrap/78616
7470         * system.h: Poison strndup.
7472 2017-01-16  Alan Modra  <amodra@gmail.com>
7474         PR target/79098
7475         * config/rs6000/rs6000.c (rs6000_legitimate_combined_insn): Don't
7476         use a switch.
7478 2017-01-16  Georg-Johann Lay  <avr@gjlay.de>
7480         * config/avr/avr.h (BRANCH_COST) [reload_completed]: Increase by 4.
7482 2017-01-15  Uros Bizjak  <ubizjak@gmail.com>
7484         * config/i386/i386.c (ix86_legitimate_combined_insn): Do not
7485         call recog here.  Assert that INSN_CODE (insn) is non-negative.
7487 2017-01-15  Segher Boessenkool  <segher@kernel.crashing.org>
7489         PR target/72749
7490         * cfgrtl.c (rtl_split_edge): Also patch jump insns that jump to the
7491         fallthrough.
7492         * haifa-sched.c (dump_insn_stream): Don't crash if there is a label
7493         in the currently scheduled RTL fragment.
7495 2017-01-15  Segher Boessenkool  <segher@kernel.crashing.org>
7497         PR rtl-optimization/78751
7498         * ifcvt.c (find_cond_trap): If we generated a non-existing insn,
7499         give up.
7501 2017-01-14  Jeff Law  <law@redhat.com>
7503         PR tree-optimization/79090
7504         * tree-ssa-dse.c (valid_ao_ref_for_dse): Reject zero length and
7505         variable length stores.
7506         (compute_trims): Delete dead assignment to *trim_tail.
7507         (dse_dom_walker::dse_optimize_stmt): Optimize mem* calls with
7508         zero length.
7510 2017-01-14  Bernd Schmidt  <bschmidt@redhat.com>
7512         PR rtl-optimization/78626
7513         PR rtl-optimization/78727
7514         * cprop.c (one_cprop_pass): Collect unconditional traps in the middle
7515         of a block, and split such blocks after everything else is finished.
7517 2017-01-14  Alan Modra  <amodra@gmail.com>
7519         PR target/72749
7520         * combine.c (recog_for_combine_1): Set INSN_CODE before calling
7521         target legitimate_combined_insn.
7522         * config/rs6000/rs6000.c (TARGET_LEGITIMATE_COMBINED_INSN): Define.
7523         (rs6000_legitimate_combined_insn): New function.
7524         * config/rs6000/rs6000.md (UNSPEC_DOLOOP): Delete, and remove
7525         all uses.
7526         (ctr<mode>_internal3): Rename from *ctr<mode>_internal5.
7527         (ctr<mode>_internal4): Rename from *ctr<mode>_internal6.
7528         (ctr<mode>_internal1, ctr<mode>_internal2): Remove '*' from name.
7530 2017-01-14  Gerald Pfeifer  <gerald@pfeifer.com>
7532         * doc/frontends.texi (G++ and GCC): Remove references to Java.
7534 2017-01-13  Jeff Law  <law@redhat.com>
7536         PR tree-optimization/33562
7537         PR tree-optimization/61912
7538         PR tree-optimization/77485
7539         * tree-ssa-dse.c (delete_dead_call): Accept gsi rather than
7540         a statement.
7541         (delete_dead_assignment): Likewise.
7542         (dse_dom_walker::dse_optimize_stmt): Pass in the gsi rather than
7543         statement to delete_dead_call and delete_dead_assignment.
7545 2017-01-13  David Malcolm  <dmalcolm@redhat.com>
7547         PR c/78304
7548         * substring-locations.c (format_warning_va): Strengthen case 1 so
7549         that both endpoints of the substring must be within the format
7550         range for just the substring to be printed.
7552 2017-01-13  Uros Bizjak  <ubizjak@gmail.com>
7554         * config/i386/i386.opt (msgx): Use ix86_isa_flags2 variable.
7555         * config/i386/i386.c (ix86_target_string): Add missing options
7556         to isa_opts and reorder options by implied ISAs.  Rename isa_opts2 to
7557         isa2_opts, ix86_flag_opts to flag2_opts, ix86_target_other to
7558         flags_other and ix86_target_other to flags2_other.  Display unknown
7559         isa2 options.
7560         (ix86_valid_target_attribute_inner_p): Add missing options and
7561         reorder options by implied ISAs, as in ix86_target_string.
7563 2017-01-13  Richard Sandiford  <richard.sandiford@arm.com>
7565         * hash-table.h (hash_table::too_empty_p): New function.
7566         (hash_table::expand): Use it.
7567         (hash_table::traverse): Likewise.
7568         (hash_table::empty_slot): Use sizeof (value_type) instead of
7569         sizeof (PTR) to convert bytes to elements.  Shrink the table
7570         if the current size is excessive for the current number of
7571         elements.
7573 2017-01-13  Richard Sandiford  <richard.sandiford@arm.com>
7575         * ira-costs.c (record_reg_classes): Break from the inner loop
7576         early once alt_fail is known to be true.  Update outer loop
7577         handling accordingly.
7579 2017-01-13  Jeff Law  <law@redhat.com>
7581         * tree-ssa-dse.c (decrement_count): New function.
7582         (increment_start_addr, maybe_trim_memstar_call): Likewise.
7583         (dse_dom_walker::optimize_stmt): Call maybe_trim_memstar_call directly
7584         when we know the partially dead statement is a mem* function.
7586         PR tree-optimization/61912
7587         PR tree-optimization/77485
7588         * tree-ssa-dse.c: Include expr.h.
7589         (maybe_trim_constructor_store): New function.
7590         (maybe_trim_partially_dead_store): Call maybe_trim_constructor_store.
7592         PR tree-optimization/33562
7593         PR tree-optimization/61912
7594         PR tree-optimization/77485
7595         * doc/invoke.texi: Document new dse-max-object-size param.
7596         * params.def (PARM_DSE_MAX_OBJECT_SIZE): New PARAM.
7597         * tree-ssa-dse.c: Include params.h.
7598         (dse_store_status): New enum.
7599         (initialize_ao_ref_for_dse): New, partially extracted from
7600         dse_optimize_stmt.
7601         (valid_ao_ref_for_dse, normalize_ref): New.
7602         (setup_live_bytes_from_ref, compute_trims): Likewise.
7603         (clear_bytes_written_by, maybe_trim_complex_store): Likewise.
7604         (maybe_trim_partially_dead_store): Likewise.
7605         (maybe_trim_complex_store): Likewise.
7606         (dse_classify_store): Renamed from dse_possibly_dead_store_p.
7607         Track what bytes live from the original store.  Return tri-state
7608         for dead, partially dead or live.
7609         (dse_dom_walker): Add constructor, destructor and new private members.
7610         (delete_dead_call, delete_dead_assignment): New extracted from
7611         dse_optimize_stmt.
7612         (dse_optimize_stmt): Make a member of dse_dom_walker.
7613         Use initialize_ao_ref_for_dse.
7615         PR tree-optimization/33562
7616         PR tree-optimization/61912
7617         PR tree-optimization/77485
7618         * sbitmap.h (bitmap_count_bits): Prototype.
7619         (bitmap_clear_range, bitmap_set_range): Likewise.
7620         * sbitmap.c (bitmap_clear_range): New function.
7621         (bitmap_set_range, sbitmap_popcount, bitmap_count_bits): Likewise.
7623 2017-01-13  Martin Liska  <mliska@suse.cz>
7625         PR ipa/79043
7626         * function.c (set_cfun): Add new argument force.
7627         * function.h (set_cfun): Likewise.
7628         * ipa-inline-transform.c (inline_call): Use the function when
7629         strict alising from is dropped for function we inline to.
7631 2017-01-13  Richard Biener  <rguenther@suse.de>
7633         * tree-pretty-print.c (dump_generic_node): Fix inverted condition
7634         for dumping GIMPLE INTEGER_CSTs.
7636 2017-01-13  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7638         * config/sol2.h (TARGET_OS_CPP_BUILTINS): Define __STDC_VERSION__
7639         to 201112L since C++17.
7641 2017-01-13  Maxim Ostapenko  <m.ostapenko@samsung.com>
7643         PR sanitizer/78887
7644         * asan.c (asan_needs_odr_indicator_p): Don't emit ODR indicators
7645         if -fsanitize=kernel-address is present.
7647 2017-01-13  Richard Biener  <rguenther@suse.de>
7649         * tree-pretty-print.c (dump_generic_node): Dump INTEGER_CSTs
7650         as _Literal ( type ) number in case usual suffixes do not
7651         preserve all information.
7653 2017-01-13  Richard Biener  <rguenther@suse.de>
7655         PR tree-optimization/77283
7656         * gimple-ssa-split-paths.c: Include gimple-ssa.h, tree-phinodes.h
7657         and ssa-iterators.h.
7658         (is_feasible_trace): Implement a cost model based on joiner
7659         PHI node uses.
7661 2017-01-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
7663         PR target/79004
7664         * config/rs6000/rs6000.md (FP_ISA3): Do not optimize converting
7665         char or short to __float128/_Float128 directly.
7667 2017-01-12  Martin Sebor  <msebor@redhat.com>
7669         to -Wformat-overflow.
7670         * gimple-ssa-sprintf.c (pass_sprintf_length::gate): Adjust.
7671         (min_bytes_remaining): Same.
7672         (get_string_length): Same.
7673         (format_string): Same.
7674         (format_directive): Same.
7675         (add_bytes): Same.
7676         (pass_sprintf_length::handle_gimple_call): Same.
7678 2017-01-12  Jakub Jelinek  <jakub@redhat.com>
7680         * gimple-ssa-sprintf.c (try_substitute_return_value): Remove
7681         info.nowrite calls with no lhs that can't throw.  Return bool
7682         whether gsi_remove has been called or not.
7683         (pass_sprintf_length::handle_gimple_call): Return bool whether
7684         try_substitute_return_value called gsi_remove.  Formatting fix.
7685         (pass_sprintf_length::execute): Don't use gsi_remove if
7686         handle_gimple_call returned true.
7688         PR bootstrap/79069
7689         * cfgrtl.c (rtl_tidy_fallthru_edge): For any_uncondjump_p that can't
7690         be removed due to side-effects, don't remove following barrier nor
7691         turn the successor edge into fallthru edge.
7693 2017-01-12  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
7695         PR target/79044
7696         * config/rs6000/rs6000.c (insn_is_swappable_p): Mark
7697         element-reversing loads and stores as not swappable.
7699 2017-01-12  Nathan Sidwell  <nathan@acm.org>
7700             Nicolai Stange  <nicstange@gmail.com>
7702         * combine.c (try_combine): Don't ignore result of overlap checking
7703         loop.  Combine overlap & asm check into single loop.
7705 2017-01-12  Richard Biener  <rguenther@suse.de>
7707         * tree-pretty-print.c (dump_generic_node): Provide -gimple
7708         variant for MEM_REF.  Sanitize INTEGER_CST for -gimple.
7710 2017-01-12  Richard Biener  <rguenther@suse.de>
7712         * tree.c (initialize_tree_contains_struct): Make TS_OPTIMIZATION
7713         and TS_TARGET_OPTION directly derive from TS_BASE.
7714         * tree-core.h (tree_optimization_option): Derive from tree_base.
7715         (tree_target_option): Likewise.
7717 2017-01-11  Uros Bizjak  <ubizjak@gmail.com>
7719         * config/i386/i386.c (memory_address_length): Increase len
7720         only when rip_relative_addr_p returns false.
7722 2017-01-11  Julia Koval  <julia.koval@intel.com>
7724         * common/config/i386/i386-common.c (OPTION_MASK_ISA_SGX_UNSET): New.
7725         (OPTION_MASK_ISA_SGX_SET): New.
7726         (ix86_handle_option): Handle OPT_msgx.
7727         * config.gcc: Added sgxintrin.h.
7728         * config/i386/driver-i386.c (host_detect_local_cpu): Detect sgx.
7729         * config/i386/i386-c.c (ix86_target_macros_internal): Define __SGX__.
7730         * config/i386/i386.c (ix86_target_string): Add -msgx.
7731         (PTA_SGX): New.
7732         (ix86_option_override_internal): Handle new options.
7733         (ix86_valid_target_attribute_inner_p): Add sgx.
7734         * config/i386/i386.h (TARGET_SGX, TARGET_SGX_P): New.
7735         * config/i386/i386.opt: Add msgx.
7736         * config/i386/sgxintrin.h: New file.
7737         * config/i386/x86intrin.h: Add sgxintrin.h.
7739 2017-01-11  Jakub Jelinek  <jakub@redhat.com>
7741         PR c++/71537
7742         * fold-const.c (maybe_nonzero_address): Return 1 for function
7743         local objects.
7744         (tree_single_nonzero_warnv_p): Don't handle function local objects
7745         here.
7747         PR c++/72813
7748         * gcc.c (default_compilers): Don't add -o %g.s for -S -save-temps
7749         of c-header.
7751 2017-01-11  David Malcolm  <dmalcolm@redhat.com>
7753         PR driver/78877
7754         * opts.c: Include "spellcheck.h"
7755         (struct string_fragment): New struct.
7756         (struct edit_distance_traits<const string_fragment &>): New
7757         struct.
7758         (get_closest_sanitizer_option): New function.
7759         (parse_sanitizer_options): Offer suggestions for unrecognized arguments.
7761 2017-01-11  Jakub Jelinek  <jakub@redhat.com>
7763         * dwarf2out.c (DWARF_COMPILE_UNIT_HEADER_SIZE): For DWARF5 decrease
7764         by 12.
7765         (DWARF_COMDAT_TYPE_UNIT_HEADER_SIZE): Always
7766         DWARF_COMPILE_UNIT_HEADER_SIZE plus 12.
7767         (DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE): Define.
7768         (calc_base_type_die_sizes): Use DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE
7769         for initial die_offset if dwarf_split_debug_info.
7770         (output_comp_unit): Use DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE for
7771         initial next_die_offset if dwo_id is non-NULL.  Don't emit padding
7772         fields.
7773         (output_skeleton_debug_sections): Formatting fix.  Use
7774         DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE instead of
7775         DWARF_COMPILE_UNIT_HEADER_SIZE.  Don't emit padding.
7777 2017-01-11  Wilco Dijkstra  <wdijkstr@arm.com>
7779         * config/arm/cortex-a53.md: Add bypasses for
7780         cortex_a53_r2f_cvt.
7781         (cortex_a53_r2f): Only use for transfers.
7782         (cortex_a53_f2r): Likewise.
7783         (cortex_a53_r2f_cvt): Add reservation for conversions.
7784         (cortex_a53_f2r_cvt): Likewise.
7786 2017-01-11  Tamar Christina  <tamar.christina@arm.com>
7788         * config/arm/arm_neon.h: Add __artificial__ and gnu_inline
7789         to all inlined functions, change static to extern.
7791 2017-01-11  Christophe Lyon  <christophe.lyon@linaro.org>
7793         PR target/78253
7794         * config/arm/arm.c (legitimize_pic_address): Handle reference to
7795         weak symbol.
7796         (arm_assemble_integer): Likewise.
7798 2017-01-11  Richard Earnshaw  <rearnsha@arm.com>
7800         * config.gcc: Use new awk script to check CPU, FPU and architecture
7801         parameters for --with-... options.
7802         * config/arm/parsecpu.awk: New file
7803         * config/arm/arm-cpus.in: New file.
7804         * config/arm/arm-opts.h: Include arm-cpu.h instead of processing .def
7805         files.
7806         * config/arm/arm.c: Include arm-cpu-data.h instead of processing .def
7807         files.
7808         * config/arm/t-arm: Update dependency rules.
7809         * common/config/arm/arm-common.c: Include arm-cpu-cdata.h instead
7810         of processing .def files.
7811         * config/arm/genopt.sh: Deleted.
7812         * config/arm/gentune.sh: Deleted.
7813         * config/arm/arm-cores.def: Deleted.
7814         * config/arm/arm-arches.def: Deleted.
7815         * config/arm/arm-fpus.def: Deleted.
7816         * config/arm/arm-tune.md: Regenerated.
7817         * config/arm/arm-tables.opt: Regenerated.
7818         * config/arm/arm-cpu.h: New generated file.
7819         * config/arm/arm-cpu-data.h: New generated file.
7820         * config/arm/arm-cpu-cdata.h: New generated file.
7822 2017-01-11  Maxim Ostapenko  <m.ostapenko@samsung.com>
7824         PR lto/79042
7825         * lto-cgraph.c (lto_output_varpool_node): Pack dynamically_initialized
7826         bit.
7827         (input_varpool_node): Unpack dynamically_initialized bit.
7829 2017-01-11  Eric Botcazou  <ebotcazou@adacore.com>
7831         PR rtl-optimization/79032
7832         * lra-constraints.c (simplify_operand_subreg): In the MEM case, test
7833         the alignment of the adjusted memory reference against that of MODE,
7834         instead of the alignment of the original memory reference.
7836 2017-01-11  Martin Jambor  <mjambor@suse.cz>
7838         * hsa.c (hsa_callable_function_p): Revert addition of DECL_ARTIFICIAL
7839         test.
7840         * ipa-hsa.c (process_hsa_functions): Only duplicate non-artificial
7841         decorated functions.
7843 2017-01-11  Richard Biener  <rguenther@suse.de>
7845         * tree-vrp.c (evrp_dom_walker::before_dom_children): Also
7846         set range/nonnull info for PHI results.  Do not set it on
7847         stmts marked for removal.
7849 2017-01-10  Eric Botcazou  <ebotcazou@adacore.com>
7851         * expr.c (store_field): In the bitfield case, fetch the return value
7852         from the registers before applying a single big-endian adjustment.
7853         Always do a final load for a BLKmode value not larger than a word.
7855 2017-01-10  David Malcolm  <dmalcolm@redhat.com>
7857         PR c++/77949
7858         * input.c (selftest::test_accessing_ordinary_linemaps): Verify
7859         that we correctly handle column numbers greater than
7860         LINE_MAP_MAX_COLUMN_NUMBER.
7862 2017-01-10  Martin Sebor  <msebor@redhat.com>
7864         PR middle-end/78245
7865         * gimple-ssa-sprintf.c (get_destination_size): Call
7866         {init,fini}object_sizes.
7867         * tree-object-size.c (addr_object_size): Adjust.
7868         (pass_through_call): Adjust.
7869         (pass_object_sizes::execute): Adjust.
7870         * tree-object-size.h (fini_object_sizes): Declare.
7872 2017-01-10  Martin Sebor  <msebor@redhat.com>
7874         PR tree-optimization/78775
7875         * builtins.c (get_size_range): Move...
7876         * calls.c: ...to here.
7877         (alloc_max_size): Accept zero argument.
7878         (operand_signed_p): Remove.
7879         (maybe_warn_alloc_args_overflow): Call get_size_range.
7880         * calls.h (get_size_range): Declare.
7882 2017-01-10  Joe Seymour  <joe.s@somniumtech.com>
7884         * config/msp430/driver-msp430.c (msp430_mcu_data): Sync with data
7885         from TI's devices.csv file as of September 2016.
7886         * config/msp430/msp430.c (msp430_mcu_data): Likewise.
7888 2017-01-10  Sandra Loosemore  <sandra@codesourcery.com>
7890         * doc/extend.texi: Tweak formatting to fix overfull hbox warnings.
7891         * doc/invoke.texi: Likewise.
7892         * doc/md.texi: Likewise.
7893         * doc/objc.texi: Likewise.
7895 2017-01-10  Joshua Conner  <joshconner@google.com>
7897         * config/arm/fuchsia-elf.h: New file.
7898         * config/fuchsia.h: New file.
7899         * config.gcc (*-*-fuchsia*): Set native_system_header_dir.
7900         (aarch64*-*-fuchsia*, arm*-*-fuchsia*, x86_64-*-fuchsia*): Add to
7901         targets.
7902         * config.host: (aarch64*-*-fuchsia*, arm*-*-fuchsia*): Add to hosts.
7904 2016-01-10  Richard Biener  <rguenther@suse.de>
7906         PR tree-optimization/79034
7907         * tree-call-cdce.c (shrink_wrap_one_built_in_call_with_conds):
7908         Propagate out degenerate PHIs in the joiner.
7910 2017-01-10  Martin Liska  <mliska@suse.cz>
7912         * ipa-icf.c (sort_sem_items_by_decl_uid): New function.
7913         (sort_congruence_classes_by_decl_uid): Likewise.
7914         (sort_congruence_class_groups_by_decl_uid): Likewise.
7915         (sem_item_optimizer::merge_classes): Sort class, groups in these
7916         classes and members in the groups by DECL_UID of declarations.
7917         This would make merge operations stable.
7919 2017-01-10  Martin Liska  <mliska@suse.cz>
7921         * ipa-icf.c (sem_item_optimizer::sem_item_optimizer): Remove
7922         usage of m_classes_vec.
7923         (sem_item_optimizer::~sem_item_optimizer):  Likewise.
7924         (sem_item_optimizer::get_group_by_hash): Likewise.
7925         (sem_item_optimizer::subdivide_classes_by_equality): Likewise.
7926         (sem_item_optimizer::subdivide_classes_by_sensitive_refs): Likewise.
7927         (sem_item_optimizer::verify_classes): Likewise.
7928         (sem_item_optimizer::process_cong_reduction): Likewise.
7929         (sem_item_optimizer::dump_cong_classes): Likewise.
7930         (sem_item_optimizer::merge_classes): Likewise.
7931         * ipa-icf.h (congruence_class_hash): Rename from
7932         congruence_class_group_hash.  Remove declaration of m_classes_vec.
7934 2017-01-10  Andrew Senkevich  <andrew.senkevich@intel.com>
7936         * common/config/i386/i386-common.c (OPTION_MASK_ISA_AVX512VPOPCNTDQ_SET,
7937         OPTION_MASK_ISA_AVX512VPOPCNTDQ_UNSET): New.
7938         * config.gcc: Add avx512vpopcntdqintrin.h.
7939         * config/i386/avx512vpopcntdqintrin.h: New.
7940         * config/i386/cpuid.h (bit_AVX512VPOPCNTDQ): New.
7941         * config/i386/i386-builtin-types.def: Add new types.
7942         * config/i386/i386-builtin.def (__builtin_ia32_vpopcountd_v16si,
7943         __builtin_ia32_vpopcountd_v16si_mask, __builtin_ia32_vpopcountq_v8di,
7944         __builtin_ia32_vpopcountq_v8di_mask): New.
7945         * config/i386/i386-c.c (ix86_target_macros_internal): Define
7946         __AVX512VPOPCNTDQ__.
7947         * config/i386/i386.c (ix86_target_string): Add -mavx512vpopcntdq.
7948         (PTA_AVX512VPOPCNTDQ): Define.
7949         * config/i386/i386.h (TARGET_AVX512VPOPCNTDQ,
7950         TARGET_AVX512VPOPCNTDQ_P): Define.
7951         * config/i386/i386.opt: Add mavx512vpopcntdq.
7952         * config/i386/immintrin.h: Include avx512vpopcntdqintrin.h.
7953         * config/i386/sse.md (define_insn "vpopcount<mode><mask_name>"): New.
7955 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
7957         PR middle-end/77484
7958         * predict.def (PRED_CALL): Set to 67.
7960 2017-01-09  Eric Botcazou  <ebotcazou@adacore.com>
7962         * expr.c (store_field): In the bitfield case, if the value comes from
7963         a function call and is of an aggregate type returned in registers, do
7964         not modify the field mode; extract the value in all cases if the mode
7965         is BLKmode and the size is not larger than a word.
7967 2017-01-09  Dominique d'Humieres  <dominiq@lps.ens.fr>
7969         PR target/71017
7970         * config/i386/cpuid.h: Fix undefined behavior.
7972 2017-01-04  Jeff Law  <law@redhat.com>
7974         PR tree-optimization/79007
7975         PR tree-optimization/67955
7976         * tree-ssa-alias.c (same_addr_size_stores_p): Only need to be
7977         conservative for pt.null when flag_non_call_exceptions is on.
7979 2017-01-09  Jakub Jelinek  <jakub@redhat.com>
7981         PR translation/79019
7982         PR translation/79020
7983         * params.def (PARAM_INLINE_MIN_SPEEDUP,
7984         PARAM_IPA_CP_SINGLE_CALL_PENALTY,
7985         PARAM_USE_AFTER_SCOPE_DIRECT_EMISSION_THRESHOLD): Fix typos
7986         in descriptions.
7987         * config/avr/avr.opt (maccumulate-args): Likewise.
7988         * config/msp430/msp430.opt (mwarn-mcu): Likewise.
7989         * common.opt (freport-bug): Likewise.
7990         * cif-code.def (CIF_FINAL_ERROR): Likewise.
7991         * doc/invoke.texi (ipa-cp-single-call-penalty): Likewise.
7992         * config/s390/s390.c (s390_invalid_binary_op): Fix spelling in
7993         translatable string.
7994         * config/i386/i386.c (function_value_32): Likewise.
7995         * config/nios2/nios2.c (nios2_valid_target_attribute_rec): Likewise.
7996         * config/msp430/msp430.c (msp430_option_override, msp430_attr):
7997         Likewise.
7998         * config/msp430/driver-msp430.c (msp430_select_hwmult_lib): Likewise.
7999         * common/config/msp430/msp430-common.c (msp430_handle_option):
8000         Likewise.
8001         * symtab.c (symtab_node::verify_base): Likewise.
8002         * opts.c (set_debug_level): Likewise.
8003         * tree.c (verify_type_variant): Likewise.  Fix typo in comment.
8004         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Add
8005         missing whitespace to translatable strings.
8006         * config/avr/avr.md (bswapsi2): Fix typo in comment.
8007         * config/sh/superh.h: Likewise.
8008         * config/i386/xopintrin.h: Likewise.
8009         * config/i386/znver1.md: Likewise.
8010         * config/rs6000/rs6000.c (struct rs6000_opt_mask): Likewise.
8011         * ipa-inline-analysis.c (compute_inline_parameters): Likewise.
8012         * double-int.h (struct double_int): Likewise.
8013         * double-int.c (div_and_round_double): Likewise.
8014         * wide-int.cc: Likewise.
8015         * tree-ssa.c (non_rewritable_mem_ref_base): Likewise.
8016         * tree-ssa-sccvn.c (vn_reference_lookup_3): Likewise.
8017         * cfgcleanup.c (crossjumps_occured): Renamed to ...
8018         (crossjumps_occurred): ... this.
8019         (try_crossjump_bb, try_head_merge_bb, try_optimize_cfg, cleanup_cfg):
8020         Adjust all uses.
8022         PR tree-optimization/78899
8023         * tree-if-conv.c (version_loop_for_if_conversion): Instead of
8024         returning bool return struct loop *, NULL for failure and the new
8025         loop on success.
8026         (versionable_outer_loop_p): Don't version outer loop if it has
8027         dont_vectorized bit set.
8028         (tree_if_conversion): When versioning outer loop, ensure
8029         tree_if_conversion is performed also on the inner loop of the
8030         non-vectorizable outer loop copy.
8031         * tree-vectorizer.c (set_uid_loop_bbs): Formatting fix.  Fold
8032         LOOP_VECTORIZED in inner loop of the scalar outer loop and
8033         prevent vectorization of it.
8034         (vectorize_loops): For outer + inner LOOP_VECTORIZED, ensure
8035         the outer loop vectorization of the non-scalar version is attempted
8036         before vectorization of the inner loop in scalar version.  If
8037         outer LOOP_VECTORIZED guarded loop is not vectorized, prevent
8038         vectorization of its inner loop.
8039         * tree-vect-loop-manip.c (rename_variables_in_bb): If outer_loop
8040         has 2 inner loops, rename also on edges from bb whose single pred
8041         is outer_loop->header.  Fix typo in function comment.
8043 2017-01-09  Martin Sebor  <msebor@redhat.com>
8045         PR bootstrap/79033
8046         * asan.c (asan_emit_stack_protection): Increase local buffer size
8047         to avoid snprintf truncation warning.
8049 2017-01-09  Andrew Pinski  <apinski@cavium.com>
8051         * config/aarch64/aarch64-cores.def: Add thunderx2t99.  Change vulcan
8052         to reference thunderx2t99 for the tuning structure
8053         * config/aarch64/aarch64-cost-tables.h (vulcan_extra_costs):
8054         Rename to ...
8055         (thunderx2t99_extra_costs): This.
8056         * config/aarch64/aarch64-tune.md: Regenerate.
8057         * config/aarch64/aarch64.c (vulcan_addrcost_table): Rename to ...
8058         (vulcan_addrcost_table): This.
8059         (vulcan_regmove_cost): Rename to ...
8060         (thunderx2t99_regmove_cost): This.
8061         (vulcan_vector_cost): Rename to ...
8062         (thunderx2t99_vector_cost): this.
8063         (vulcan_branch_cost): Rename to ...
8064         (thunderx2t99_branch_cost): This.
8065         (vulcan_tunings): Rename to ...
8066         (thunderx2t99_tunings): This and s/vulcan/thunderx2t99 .
8067         * doc/invoke.texi (AARCH64/mtune): Add thunderx2t99.
8069 2017-01-09  Martin Jambor  <mjambor@suse.cz>
8071         PR ipa/78365
8072         PR ipa/78599
8073         * ipa-prop.h (ipa_jump_func): Swap positions of vr_known and m_vr.
8074         * ipa-cp.c (ipa_vr_operation_and_type_effects): New function.
8075         (propagate_vr_accross_jump_function): Use the above function for all
8076         value range computations for pass-through jump functions and type
8077         converasion from explicit value range values.
8078         (ipcp_propagate_stage): Do not attempt to deduce types of formal
8079         parameters from TYPE_ARG_TYPES.
8080         * ipa-prop.c (ipa_write_jump_function): Remove trailing whitespace.
8081         (ipa_write_node_info): Stream type of the actual argument.
8082         (ipa_read_node_info): Likewise. Also remove trailing whitespace.
8084 2017-01-09  Martin Liska  <mliska@suse.cz>
8086         PR pch/78970
8087         * gcc.c (driver_handle_option): Handle OPT_E and set have_E.
8088         (lookup_compiler): Do not show error message with have_E.
8090 2017-01-09  Jakub Jelinek  <jakub@redhat.com>
8092         PR tree-optimization/78938
8093         * tree-vect-stmts.c (vectorizable_condition): For non-masked COND_EXPR
8094         where comp_vectype is VECTOR_BOOLEAN_TYPE_P, use
8095         BIT_{NOT,XOR,AND,IOR}_EXPR on the comparison operands instead of
8096         {EQ,NE,GE,GT,LE,LT}_EXPR directly inside of VEC_COND_EXPR.  Formatting
8097         fixes.
8099 2017-01-09  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8101         * tree-ssa-address.c (gen_addr_rtx): Don't handle index if it
8102         is const0_rtx.
8104 2017-01-09  Richard Biener  <rguenther@suse.de>
8106         PR tree-optimization/78997
8107         * tree-vect-slp.c (vect_mask_constant_operand_p): Handle SSA
8108         name condition properly.
8110 2017-01-09  Richard Biener  <rguenther@suse.de>
8112         PR debug/79000
8113         * dwarf2out.c (is_cxx): New overload with context.
8114         (is_naming_typedef_decl): Use it.
8116 2017-01-08  Sandra Loosemore  <sandra@codesourcery.com>
8118         * invoke.texi (Option Summary): Correct spacing in option lists
8119         and add line breaks to fix over-long lines.
8121 2017-01-08  Sandra Loosemore  <sandra@codesourcery.com>
8123         PR middle-end/17660
8125         * extend.texi (Common Variable Attributes): Add xref to GCC
8126         Internals manual to explain mode attribute keywords.
8128 2017-01-08  Sandra Loosemore  <sandra@codesourcery.com>
8130         PR other/16519
8131         * doc/invoke.texi (Option Summary): Move -pthread to Linker Options
8132         and Preprocessor Options.
8133         (Options for Linking): Document -pthread here....
8134         (RS/6000 and PowerPC Options): ...not here.
8135         (Solaris 2 Options): ...or here.
8136         * doc/cppopts.texi: Document -pthread.
8138 2017-01-08  Martin Sebor  <msebor@redhat.com>
8140         PR middle-end/77708
8141         * doc/invoke.texi (Warning Options): Document -Wformat-truncation.
8142         * gimple-ssa-sprintf.c (call_info::reval_used, call_info::warnopt):
8143         New member functions.
8144         (format_directive): Used them.
8145         (add_bytes): Same.
8146         (pass_sprintf_length::handle_gimple_call): Same.
8147         * graphite-sese-to-poly.c (tree_int_to_gmp): Increase buffer size
8148         to avoid truncation for any argument.
8149         (extract_affine_mul): Same.
8150         * tree.c (get_file_function_name): Same.
8152 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
8154         PR middle-end/77484
8155         * predict.def (PRED_INDIR_CALL): Set to 86.
8157 2017-01-07  Sandra Loosemore  <sandra@codesourcery.com>
8159         PR preprocessor/54124
8160         * doc/cppopts.texi: Reformat -d subtable to list the full name
8161         of the options.  Add cross-reference to the docs for the general
8162         compiler -d options.
8163         * doc/invoke.texi (Developer Options): Add cross-reference to the
8164         preprocessor-specific -d option documentation.
8166 2017-01-07  Sandra Loosemore  <sandra@codesourcery.com>
8168         PR preprocessor/13498
8169         * doc/cpp.texi (Search Path): Rewrite to remove obsolete and
8170         redudant material, and reflect new command-line options.
8171         (System Headers): Likewise.
8173 2017-01-07  Sandra Loosemore  <sandra@codesourcery.com>
8175         * doc/cppdiropts.texi: Merge documentation of -I, -iquote,
8176         -isystem, and -idirafter.  Copy-edit.
8177         * doc/cppopts.texi: Copy-edit.  Remove contradiction about
8178         default for -ftrack-macro-expansion.  Delete obsolete and
8179         badly-formatted implementation details about -fdebug-cpp output.
8180         * doc/cppwarnopts.texi: Copy-edit.
8182 2017-01-07  David Malcolm  <dmalcolm@redhat.com>
8184         PR c++/72803
8185         * input.c (selftest::test_accessing_ordinary_linemaps): Verify
8186         that the transition from a max line width >= 1<<10 to narrower
8187         lines works correctly.
8189 2017-01-07  Alexandre Oliva <aoliva@redhat.com>
8191         * doc/options.texi (PerFunction): New.
8192         * opt-functions.awk (switch_flags): Map both Optimization and
8193         PerFunction to CL_OPTIMIZATION.
8194         * opth-gen.awk: Test for PerFunction flag along with
8195         Optimization.
8196         * optc-save-gen.awk: Likewise.  Introduce var_opt_hash and set
8197         it only when the latter is present.  Skip those that don't in
8198         the hash function generator.
8199         * common.opt (fvar-tracking): Mark as PerFunction instead of
8200         Optimization.
8201         (fvar-tracking-assignments): Likewise.
8202         (fvar-tracking-assignments-toggle): Likewise.
8203         (fvar-tracking-uninit): Likewise.
8205 2017-01-07  Jakub Jelinek  <jakub@redhat.com>
8207         PR translation/79018
8208         * params.def (PARAM_MAX_STORES_TO_MERGE): Add missing space between
8209         the and store.
8211 2017-01-06  Mikael Pettersson  <mikpelinux@gmail.com>
8213         PR target/57583
8214         * config/m68k/m68k.opt (LONG_JUMP_TABLE_OFFSETS): New option.
8215         * config/m68k/linux.h (ASM_RETURN_CASE_JUMP): Handle
8216         TARGET_LONG_JUMP_TABLE_OFFSETS.
8217         * config/m68k/m68kelf.h (ASM_RETURN_CASE_JUMP): Likewise.
8218         * config/m68k/netbsd-elf.h (ASM_RETURN_CASE_JUMP): Likewise.
8219         * config/m68k/m68k.h (CASE_VECTOR_MODE): Likewise.
8220         (ASM_OUTPUT_ADDR_DIFF_ELF): Likewise.
8221         * config/m68k/m68k.md (tablejump expander): Likewise.
8222         (*tablejump_pcrel_hi): Renamed from unnamed insn, reject
8223         TARGET_LONG_JUMP_TABLE_OFFSETS.
8224         (*tablejump_pcrel_si): New insn, handle TARGET_LONG_JUMP_TABLE_OFFSETS.
8225         * doc/invoke.texi (M68K options): Add -mlong-jump-table-offsets.
8227 2017-01-06  Edgar E. Iglesias <edgar.iglesias@xilinx.com>
8228             David Holsgrove <david.holsgrove@xilinx.com>
8230         * common/config/microblaze/microblaze-common.c
8231         (TARGET_EXCEPT_UNWIND_INFO): Remove.
8232         * config/microblaze/microblaze-protos.h (microblaze_eh_return):
8233         New prototype.
8234         * config/microblaze/microblaze.c (microblaze_must_save_register)
8235         (microblaze_expand_epilogue, microblaze_return_addr): Handle
8236         calls_eh_return.
8237         (microblaze_eh_return): New function.
8238         * config/microblaze/microblaze.h (RETURN_ADDR_OFFSET)
8239         (EH_RETURN_DATA_REGNO, MB_EH_STACKADJ_REGNUM)
8240         (EH_RETURN_STACKADJ_RTX, ASM_PREFERRED_EH_DATA_FORMAT): New macros.
8241         * config/microblaze/microblaze.md (eh_return): New pattern.
8243 2017-01-06  Jakub Jelinek  <jakub@redhat.com>
8245         * system.h (GCC_DIAGNOSTIC_PUSH_IGNORED, GCC_DIAGNOSTIC_POP,
8246         GCC_DIAGNOSTIC_STRINGIFY): Define.
8248         * read-rtl.c (rtx_reader::read_rtx_code): Avoid -Wsign-compare warning.
8250 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
8252         * config/arm/arm.md (<mcrr>): New.
8253         (<mrrc>): New.
8254         * config/arm/arm.c (arm_arch5te): New.
8255         (arm_option_override): Set arm_arch5te.
8256         (arm_coproc_builtin_available): Add support for mcrr, mcrr2, mrrc
8257         and mrrc2.
8258         * config/arm/arm-builtins.c (MCRR_QUALIFIERS): Define to...
8259         (arm_mcrr_qualifiers): ... this. New.
8260         (MRRC_QUALIFIERS): Define to...
8261         (arm_mrrc_qualifiers): ... this. New.
8262         * config/arm/arm_acle.h (__arm_mcrr, __arm_mcrr2, __arm_mrrc,
8263         __arm_mrrc2): New.
8264         * config/arm/arm_acle_builtins.def (mcrr, mcrr2, mrrc, mrrc2): New.
8265         * config/arm/iterators.md (MCRRI, mcrr, MCRR): New.
8266         (MRRCI, mrrc, MRRC): New.
8267         * config/arm/unspecs.md (VUNSPEC_MCRR, VUNSPEC_MCRR2, VUNSPEC_MRRC,
8268         VUNSPEC_MRRC2): New.
8270 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
8272         * config/arm/arm.md (<mcr>): New.
8273         (<mrc>): New.
8274         * config/arm/arm.c (arm_coproc_builtin_available): Add
8275         support for mcr, mrc, mcr2 and mrc2.
8276         * config/arm/arm-builtins.c (MCR_QUALIFIERS): Define to...
8277         (arm_mcr_qualifiers): ... this. New.
8278         (MRC_QUALIFIERS): Define to ...
8279         (arm_mrc_qualifiers): ... this. New.
8280         (MCR_QUALIFIERS): Define to ...
8281         (arm_mcr_qualifiers): ... this. New.
8282         * config/arm/arm_acle.h (__arm_mcr, __arm_mrc, __arm_mcr2,
8283         __arm_mrc2): New.
8284         * config/arm/arm_acle_builtins.def (mcr, mcr2, mrc, mrc2): New.
8285         * config/arm/iterators.md (MCRI, mcr, MCR, MRCI, mrc, MRC): New.
8286         * config/arm/unspecs.md (VUNSPEC_MCR, VUNSPEC_MCR2, VUNSPEC_MRC,
8287         VUNSPEC_MRC2): New.
8289 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
8291         * config/arm/arm.md (*ldc): New.
8292         (*stc): New.
8293         (<ldc>): New.
8294         (<stc>): New.
8295         * config/arm/arm.c (arm_coproc_builtin_available): Add
8296         support for ldc,ldcl,stc,stcl,ldc2,ldc2l,stc2 and stc2l.
8297         (arm_coproc_ldc_stc_legitimate_address): New.
8298         * config/arm/arm-builtins.c (arm_type_qualifiers): Add
8299         'qualifier_const_pointer'.
8300         (LDC_QUALIFIERS): Define to...
8301         (arm_ldc_qualifiers): ... this. New.
8302         (STC_QUALIFIERS): Define to...
8303         (arm_stc_qualifiers): ... this. New.
8304         * config/arm/arm-protos.h
8305         (arm_coproc_ldc_stc_legitimate_address): New.
8306         * config/arm/arm_acle.h (__arm_ldc, __arm_ldcl, __arm_stc,
8307         __arm_stcl, __arm_ldc2, __arm_ldc2l, __arm_stc2, __arm_stc2l): New.
8308         * config/arm/arm_acle_builtins.def (ldc, ldc2, ldcl, ldc2l, stc,
8309         stc2, stcl, stc2l): New.
8310         * config/arm/constraints.md (Uz): New.
8311         * config/arm/iterators.md (LDCI, STCI, ldc, stc, LDC STC): New.
8312         * config/arm/unspecs.md (VUNSPEC_LDC, VUNSPEC_LDC2, VUNSPEC_LDCL,
8313         VUNSPEC_LDC2L, VUNSPEC_STC, VUNSPEC_STC2, VUNSPEC_STCL,
8314         VUNSPEC_STC2L): New.
8316 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
8318         * config/arm/arm.md (<cdp>): New.
8319         * config/arm/arm.c (neon_const_bounds): Rename this ...
8320         (arm_const_bounds): ... this.
8321         (arm_coproc_builtin_available): New.
8322         * config/arm/arm-builtins.c (SIMD_MAX_BUILTIN_ARGS): Increase.
8323         (arm_type_qualifiers): Add 'qualifier_unsigned_immediate'.
8324         (CDP_QUALIFIERS): Define to...
8325         (arm_cdp_qualifiers): ... this. New.
8326         (void_UP): Define.
8327         (arm_expand_builtin_args): Add case for 6 arguments.
8328         * config/arm/arm-protos.h (neon_const_bounds): Rename this ...
8329         (arm_const_bounds): ... this.
8330         (arm_coproc_builtin_available): New.
8331         * config/arm/arm_acle.h (__arm_cdp): New.
8332         (__arm_cdp2): New.
8333         * config/arm/arm_acle_builtins.def (cdp): New.
8334         (cdp2): New.
8335         * config/arm/iterators.md (CDPI,CDP,cdp): New.
8336         * config/arm/neon.md: Rename all 'neon_const_bounds' to
8337         'arm_const_bounds'.
8338         * config/arm/types.md (coproc): New.
8339         * config/arm/unspecs.md (VUNSPEC_CDP, VUNSPEC_CDP2): New.
8340         * gcc/doc/extend.texi (ACLE): Add a mention of Coprocessor intrinsics.
8341         * gcc/doc/sourcebuild.texi (arm_coproc1_ok, arm_coproc2_ok,
8342         arm_coproc3_ok, arm_coproc4_ok): Document new effective targets.
8344 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
8346         * config/arm/arm-builtins.c (arm_unsigned_binop_qualifiers): New.
8347         (UBINOP_QUALIFIERS): New.
8348         (si_UP): Define.
8349         (acle_builtin_data): New. Change comment.
8350         (arm_builtins): Remove ARM_BUILTIN_CRC32B, ARM_BUILTIN_CRC32H,
8351         ARM_BUILTIN_CRC32W, ARM_BUILTIN_CRC32CB, ARM_BUILTIN_CRC32CH,
8352         ARM_BUILTIN_CRC32CW. Add ARM_BUILTIN_ACLE_BASE and include
8353         arm_acle_builtins.def.
8354         (ARM_BUILTIN_ACLE_PATTERN_START): Define.
8355         (arm_init_acle_builtins): New.
8356         (CRC32_BUILTIN): Remove.
8357         (bdesc_2arg): Remove entries for crc32b, crc32h, crc32w,
8358         crc32cb, crc32ch and crc32cw.
8359         (arm_init_crc32_builtins): Remove.
8360         (arm_init_builtins): Use arm_init_acle_builtins rather
8361         than arm_init_crc32_builtins.
8362         (arm_expand_acle_builtin): New.
8363         (arm_expand_builtin): Use 'arm_expand_acle_builtin'.
8364         * config/arm/arm_acle_builtins.def: New.
8366 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
8368         * config/arm/arm-builtins.c (neon_builtin_datum): Rename to ..
8369         (arm_builtin_datum): ... this.
8370         (arm_init_neon_builtin): Rename to ...
8371         (arm_init_builtin): ... this. Add a new parameters PREFIX
8372         and USE_SIG_IN_NAME.
8373         (arm_init_neon_builtins): Replace 'arm_init_neon_builtin' with
8374         'arm_init_builtin'. Replace type 'neon_builtin_datum' with
8375         'arm_builtin_datum'.
8376         (arm_init_vfp_builtins): Likewise.
8377         (builtin_arg): Rename enum's replacing 'NEON_ARG' with
8378         'ARG_BUILTIN' and add a 'ARG_BUILTIN_NEON_MEMORY.
8379         (arm_expand_neon_args): Rename to ...
8380         (arm_expand_builtin_args): ... this. Rename builtin_arg
8381         enum values and differentiate between ARG_BUILTIN_MEMORY
8382         and ARG_BUILTIN_NEON_MEMORY.
8383         (arm_expand_neon_builtin_1): Rename to ...
8384         (arm_expand_builtin_1): ... this. Rename builtin_arg enum
8385         values, arm_expand_builtin_args and add bool parameter NEON.
8386         (arm_expand_neon_builtin): Use arm_expand_builtin_1.
8387         (arm_expand_vfp_builtin): Likewise.
8388         (NEON_MAX_BUILTIN_ARGS): Remove, it was unused.
8390 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
8392         PR middle-end/77484
8393         * predict.def (PRED_POLYMORPHIC_CALL): Set to 59.
8394         * predict.c (tree_estimate_probability_bb): Reverse direction of
8395         polymorphic call predictor.
8397 2017-01-06  David Malcolm  <dmalcolm@redhat.com>
8399         * passes.c (execute_one_pass): Split out pass-skipping logic into...
8400         (determine_pass_name_match): ...this new function and...
8401         (should_skip_pass_p): ...this new function.
8403 2017-01-06  Nathan Sidwell  <nathan@acm.org>
8405         * ipa-visibility.c (function_and_variable_visibility): Reformat
8406         comments and long lines.  Remove extrneous if.
8407         * symtab.c (symtab_node::make_decl_local): Fix code format.
8408         (symtab_node::set_section_for_node): Fix comment typo.
8410 2017-01-06  Martin Liska  <mliska@suse.cz>
8412         PR bootstrap/79003
8413         * lra-constraints.c: Rename invariant to lra_invariant.
8414         * predict.c (set_even_probabilities): Initialize e to NULL.
8416 2017-01-05  Martin Sebor  <msebor@redhat.com>
8418         PR tree-optimization/78910
8419         * gimple-ssa-sprintf.c (tree_digits): Add an argument.
8420         (format_integer): Correct off-by-one error in the handling
8421         of precision with negative numbers in signed conversions..
8423 2017-01-05  Eric Botcazou  <ebotcazou@adacore.com>
8425         * doc/invoke.texi (C Dialect Options): Adjust -fsso-struct entry.
8427 2017-01-05  Jakub Jelinek  <jakub@redhat.com>
8429         PR tree-optimization/71016
8430         * tree-ssa-phiopt.c (tree_ssa_phiopt_worker): Pass cond_stmt to
8431         factor_out_conditional_conversion.  Formatting fix.
8432         (factor_out_conditional_conversion): Add cond_stmt argument.
8433         If arg1 is INTEGER_CST, punt if new_arg0 is not any operand of
8434         cond_stmt and if arg0_def_stmt is not the only stmt in its bb.
8435         Formatting fix.
8437 2017-01-05  David Malcolm  <dmalcolm@redhat.com>
8439         * Makefile.in (OBJS): Add read-md.o, read-rtl.o,
8440         read-rtl-function.o, and selftest-rtl.o.
8441         * config/aarch64/aarch64.c: Include selftest.h and selftest-rtl.h.
8442         (selftest::aarch64_test_loading_full_dump): New function.
8443         (selftest::aarch64_run_selftests): New function.
8444         (TARGET_RUN_TARGET_SELFTESTS): Wire it up to
8445         selftest::aarch64_run_selftests.
8446         * config/i386/i386.c
8447         (selftest::ix86_test_loading_dump_fragment_1): New function.
8448         (selftest::ix86_test_loading_call_insn): New function.
8449         (selftest::ix86_test_loading_full_dump): New function.
8450         (selftest::ix86_test_loading_unspec): New function.
8451         (selftest::ix86_run_selftests): Call the new functions.
8452         * emit-rtl.c (maybe_set_max_label_num): New function.
8453         * emit-rtl.h (maybe_set_max_label_num): New decl.
8454         * function.c (instantiate_decls): Guard call to
8455         instantiate_decls_1 with if (DECL_INITIAL (fndecl)).
8456         * function-tests.c (selftest::verify_three_block_rtl_cfg): Remove
8457         "static".
8458         * gensupport.c (gen_reader::gen_reader): Pass "false"
8459         for new "compact" param of rtx_reader.
8460         * print-rtl.c (rtx_writer::print_rtx_operand): Print "(nil)"
8461         rather than an empty string for NULL strings.
8462         * read-md.c: Potentially include config.h rather than bconfig.h.
8463         Wrap include of errors.h with #ifdef GENERATOR_FILE.
8464         (have_error): New global, copied from errors.c.
8465         (md_reader::read_name): Rename to...
8466         (md_reader::read_name_1): ...this, adding "out_loc" param,
8467         and converting "missing name or number" to returning false, rather
8468         than failing.
8469         (md_reader::read_name): Reimplement in terms of read_name_1.
8470         (md_reader::read_name_or_nil): New function.
8471         (md_reader::read_string): Handle "(nil)" by returning NULL.
8472         (md_reader::md_reader): Add new param "compact".
8473         (md_reader::read_md_files): Wrap with #ifdef GENERATOR_FILE.
8474         (md_reader::read_file): New method.
8475         * read-md.h (md_reader::md_reader): Add new param "compact".
8476         (md_reader::read_file): New method.
8477         (md_reader::is_compact): New accessor.
8478         (md_reader::read_name): Convert return type from void to file_location.
8479         (md_reader::read_name_or_nil): New decl.
8480         (md_reader::read_name_1): New decl.
8481         (md_reader::m_compact): New field.
8482         (noop_reader::noop_reader): Pass "false" for new "compact" param
8483         of rtx_reader.
8484         (rtx_reader::rtx_reader): Add new "compact" param.
8485         (rtx_reader::read_rtx_operand): Make virtual and convert return
8486         type from void to rtx.
8487         (rtx_reader::read_until): New decl.
8488         (rtx_reader::handle_any_trailing_information): New virtual function.
8489         (rtx_reader::postprocess): New virtual function.
8490         (rtx_reader::finalize_string): New virtual function.
8491         (rtx_reader::m_in_call_function_usage): New field.
8492         (rtx_reader::m_reuse_rtx_by_id): New field.
8493         * read-rtl-function.c: New file.
8494         * selftest-rtl.c (selftest::assert_rtx_ptr_eq_at): New function.
8495         * selftest-rtl.h (ASSERT_RTX_PTR_EQ): New macro.
8496         (selftest::verify_three_block_rtl_cfg): New decl.
8497         * read-rtl-function.h: New file.
8498         * read-rtl.c: Potentially include config.h rather than bconfig.h.
8499         For host, include function.h, memmodel.h, and emit-rtl.h.
8500         (one_time_initialization): New function.
8501         (struct compact_insn_name): New struct.
8502         (compact_insn_names): New array.
8503         (find_code): Handle insn codes in compact dumps.
8504         (apply_subst_iterator): Wrap with #ifdef GENERATOR_FILE.
8505         (bind_subst_iter_and_attr): Likewise.
8506         (add_condition_to_string): Likewise.
8507         (add_condition_to_rtx): Likewise.
8508         (apply_attribute_uses): Likewise.
8509         (add_current_iterators): Likewise.
8510         (apply_iterators): Likewise.
8511         (initialize_iterators): Guard usage of apply_subst_iterator with
8512         #ifdef GENERATOR_FILE.
8513         (read_conditions): Wrap with #ifdef GENERATOR_FILE.
8514         (md_reader::read_mapping): Likewise.
8515         (add_define_attr_for_define_subst): Likewise.
8516         (add_define_subst_attr): Likewise.
8517         (read_subst_mapping): Likewise.
8518         (check_code_iterator): Likewise.
8519         (rtx_reader::read_rtx): Likewise.  Move one-time initialization
8520         logic to...
8521         (one_time_initialization): New function.
8522         (rtx_reader::read_until): New method.
8523         (read_flags): New function.
8524         (parse_reg_note_name): New function.
8525         (rtx_reader::read_rtx_code): Initialize "iterator" to NULL.
8526         Handle reuse_rtx ids.
8527         Wrap iterator lookup within #ifdef GENERATOR_FILE.
8528         Add parsing support for RTL dumps, mirroring the special-cases in
8529         print_rtx, by calling read_flags, reading REG_NOTE names, INSN_UID
8530         values, and calling handle_any_trailing_information.
8531         (rtx_reader::read_rtx_operand): Convert return type from void
8532         to rtx, returning return_rtx.  Handle case 'e'.  Call
8533         finalize_string on XSTR and XTMPL fields.
8534         (rtx_reader::read_nested_rtx):  Handle dumps in which trailing
8535          "(nil)" values were omitted.  Call the postprocess vfunc on the
8536         return_rtx.
8537         (rtx_reader::rtx_reader): Add new "compact" param and pass to base
8538         class ctor.  Initialize m_in_call_function_usage.  Call
8539         one_time_initialization.
8540         * rtl-tests.c (selftest::test_uncond_jump): Call
8541         set_new_first_and_last_insn.
8542         * rtl.h (read_rtx): Wrap decl with #ifdef GENERATOR_FILE.
8543         * selftest-rtl.c: New file.
8544         * selftest-rtl.h (class selftest::rtl_dump_test): New class.
8545         (selftest::get_insn_by_uid): New decl.
8546         * selftest-run-tests.c (selftest::run_tests): Call
8547         read_rtl_function_c_tests.
8548         * selftest.h  (selftest::read_rtl_function_c_tests): New decl.
8549         * tree-dfa.c (ssa_default_def): Return NULL_TREE for rtl function
8550         dumps.
8552 2017-01-05  Uros Bizjak  <ubizjak@gmail.com>
8554         * config/i386/i386.md (*testqi_ext_3): No need to handle memory
8555         operands in a special way.  Assert that pos+len <= mode precision.
8557 2017-01-05  Jakub Jelinek  <jakub@redhat.com>
8559         * common.opt (fvect-cost-model): Remove RejectNegative flag, use
8560         3 argument Alias with unlimited for the negative form.
8561         (fno-vect-cost-model): Removed.
8563 2017-01-05  Martin Liska  <mliska@suse.cz>
8565         * hsa-gen.c (gen_hsa_divmod): New function.
8566         (gen_hsa_insn_for_internal_fn_call): Use the function for IFN_DIVMOD.
8568 2017-01-05  Martin Liska  <mliska@suse.cz>
8570         PR pch/78970
8571         * gcc.c (lookup_compiler): Reject '-' filename for a precompiled
8572         header.
8574 2017-01-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8576         * config/s390/s390.c (s390_expand_setmem): Unroll the loop for
8577         small constant length operands.
8579 2017-01-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8581         * config/s390/s390.c (s390_expand_setmem): Avoid overlapping bytes
8582         between loop iterations.
8584 2017-01-05  Martin Liska  <mliska@suse.cz>
8586         PR sanitizer/78815
8587         * gimplify.c (gimplify_decl_expr): Compare to
8588         asan_poisoned_variables instread of checking flags.
8589         (gimplify_target_expr): Likewise.
8590         (gimplify_expr): Likewise.
8591         (gimplify_function_tree): Conditionally initialize
8592         asan_poisoned_variables.
8594 2017-01-04  Jeff Law  <law@redhat.com>
8596         PR tree-optimizatin/78812
8597         * rtl.h (contains_mem_rtx_p): Prototype.
8598         * ifcvt.c (containts_mem_rtx_p): Move from here to...
8599         * rtlanal.c (contains_mem_rtx_p): Here and remove static linkage.
8600         * gcse.c (prune_expressions): Use contains_mem_rtx_p to discover
8601         and prune MEMs that are not at the toplevel of a SET_SRC rtx.  Look
8602         through ZERO_EXTEND and SIGN_EXTEND when trying to avoid pruning MEMs.
8604 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
8606         * input.c (assert_char_at_range): Default-initialize actual_range.
8608 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
8610         * df-scan.c (df_ref_create_structure): Make regno unsigned,
8611         to match the caller.
8613 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
8615         * cfgexpand.c (expand_gimple_basic_block): Disregard debug
8616         insns after final jump in test to emit dummy move.
8618 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
8620         * gimple-iterator.h (gsi_one_nondebug_before_end_p): New.
8621         * tree-eh.c (cleanup_empty_eh): Skip more debug stmts.
8623 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
8625         * multiple_target.c (create_dispatcher_calls): Init e_next.
8626         * tree-ssa-loop-split.c (split_loop): Init border.
8627         * tree-vect-loop.c (vect_determine_vectorization_factor): Init
8628         scalar_type.
8630 2017-01-04  Michael Meissner  <meissner@linux.vnet.ibm.com>
8632         PR target/71977
8633         PR target/70568
8634         PR target/78823
8635         * config/rs6000/predicates.md (sf_subreg_operand): New predicate.
8636         (altivec_register_operand): Do not return true if the operand
8637         contains a SUBREG mixing SImode and SFmode.
8638         (vsx_register_operand): Likewise.
8639         (vsx_reg_sfsubreg_ok): New predicate.
8640         (vfloat_operand): Do not return true if the operand contains a
8641         SUBREG mixing SImode and SFmode.
8642         (vint_operand): Likewise.
8643         (vlogical_operand): Likewise.
8644         (gpc_reg_operand): Likewise.
8645         (int_reg_operand): Likewise.
8646         * config/rs6000/rs6000-protos.h (valid_sf_si_move): Add declaration.
8647         * config/rs6000/rs6000.c (valid_sf_si_move): New function to
8648         determine if a MOVSI or MOVSF operation contains SUBREGs that mix
8649         SImode and SFmode.
8650         (rs6000_emit_move_si_sf_subreg): New helper function.
8651         (rs6000_emit_move): Call rs6000_emit_move_si_sf_subreg to possbily
8652         fixup SUBREGs involving SImode and SFmode.
8653         * config/rs6000/vsx.md (SFBOOL_*): New constants that are operand
8654         numbers for the new peephole2 optimization.
8655         (peephole2 for SFmode unions): New peephole2 to optimize cases in
8656         the GLIBC math library that do AND/IOR/XOR operations on single
8657         precision floating point.
8658         * config/rs6000/rs6000.h (TARGET_NO_SF_SUBREG): New internal
8659         target macros to say whether we need to avoid SUBREGs mixing
8660         SImode and SFmode.
8661         (TARGET_ALLOW_SF_SUBREG): Likewise.
8662         * config/rs6000/rs6000.md (UNSPEC_SF_FROM_SI): New unspecs.
8663         (UNSPEC_SI_FROM_SF): Likewise.
8664         (iorxor): Change spacing.
8665         (and_ior_xor): New iterator for AND, IOR, and XOR.
8666         (movsi_from_sf): New insns for SImode/SFmode SUBREG support.
8667         (movdi_from_sf_zero_ext): Likewise.
8668         (mov<mode>_hardfloat, FMOVE32 iterator): Use register_operand
8669         instead of gpc_reg_operand.  Add SImode/SFmode SUBREG support.
8670         (movsf_from_si): New insn for SImode/SFmode SUBREG support.
8671         (fma<mode>4): Use gpc_reg_operand instead of register_operand.
8672         (fms<mode>4): Likewise.
8673         (fnma<mode>4): Likewise.
8674         (fnms<mode>4): Likewise.
8675         (nfma<mode>4): Likewise.
8676         (nfms<mode>4): Likewise.
8678 2017-01-04  Marek Polacek  <polacek@redhat.com>
8680         PR c++/64767
8681         * doc/invoke.texi: Document -Wpointer-compare.
8683 2017-01-04  Jakub Jelinek  <jakub@redhat.com>
8685         * optc-gen.awk: Emit #error for -W*/-f*/-m* Enum without
8686         RejectNegative.
8688         * dwarf2out.c (output_loc_list): Don't throw away 64K+ location
8689         descriptions for -gdwarf-5 and emit them as uleb128 instead of
8690         2-byte data.
8692 2017-01-04  Kelvin Nilsen  <kelvin@gcc.gnu.org>
8694         PR target/78056
8695         * doc/sourcebuild.texi (PowerPC-specific attributes): Add
8696         documentation of the powerpc_popcntb_ok attribute.
8697         * config/rs6000/rs6000.c (rs6000_option_override_internal): Add
8698         code to issue warning messages if a requested CPU configuration is
8699         not supported by the binary (assembler and loader) toolchain.
8700         (spe_init_builtins): Add two assertions to prevent ICE if attempt is
8701         made to define a built-in function that has been disabled.
8702         (paired_init_builtins): Add assertion to prevent ICE if attempt is
8703         made to define a built-in function that has been disabled.
8704         (altivec_init_builtins): Add comment explaining why definition
8705         of the DST built-in functions is not preceded by an assertion
8706         check.  Add assertions to prevent ICE if attempts are made to
8707         define an altivec predicate or an abs* built-in function that has
8708         been disabled.
8709         (htm_init_builtins): Add comment explaining why definition of the
8710         htm built-in functions is not preceded by an assertion check.
8712 2017-01-04  Jeff Law  <law@redhat.com>
8714         PR tree-optimizatin/67955
8715         * tree-ssa-alias.c (same_addr_size_stores_p): Check offsets first.
8716         Allow any SSA_VAR_P as the base objects.  Use integer_zerop.  Verify
8717         the points-to solution does not include pt_null.  Use DECL_PT_UID
8718         unconditionally.
8720 2017-01-04  Uros Bizjak  <ubizjak@gmail.com>
8722         * config/i386/i386.md (HI/SImode test with imm to QImode splitters):
8723         Use gen_int_mode instead of gen_lopwart for const_int operands.
8725 2017-01-04  Jakub Jelinek  <jakub@redhat.com>
8727         PR tree-optimization/71563
8728         * match.pd: Simplify X << Y into X if Y is known to be 0 or
8729         out of range value - has low bits known to be zero.
8731 2017-01-04  Alan Modra  <amodra@gmail.com>
8733         * Makefile.in (aclocal_deps): Update and order as per aclocal.m4.
8734         * configure: Regenerate.
8735         * config.in: Regenerate.
8737 2017-01-04  Jakub Jelinek  <jakub@redhat.com>
8739         PR bootstrap/77569
8740         * input.c (ebcdic_execution_charset::on_error): Don't use strstr for
8741         a substring of the message, but strcmp with the whole message.  Ifdef
8742         ENABLE_NLS, translate the message first using dgettext.
8744 2017-01-03  Jeff Law  <law@redhat.com>
8746         PR tree-optimizatin/78856
8747         * tree-ssa-threadupdate.c: Include tree-vectorizer.h.
8748         (mark_threaded_blocks): Remove code to truncate thread paths that
8749         cross multiple loop headers.  Instead invalidate the cached loop
8750         iteration information and handle case of a thread path walking
8751         into an irreducible region.
8753 2017-01-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
8755         PR target/78900
8756         * config/rs6000/rs6000.c (rs6000_split_signbit): Change some
8757         assertions.  Add support for doing the signbit if the IEEE 128-bit
8758         floating point value is in a GPR.
8759         * config/rs6000/rs6000.md (Fsignbit): Delete.
8760         (signbit<mode>2_dm): Delete using <Fsignbit> and just use "wa".
8761         Update the length attribute if the value is in a GPR.
8762         (signbit<mode>2_dm_<su>ext): Add combiner pattern to eliminate
8763         the sign or zero extension instruction, since the value is always 0/1.
8764         (signbit<mode>2_dm2): Delete using <Fsignbit>.
8766         PR target/78953
8767         * config/rs6000/vsx.md (vsx_extract_<mode>_store_p9): If we are
8768         extracting SImode to a GPR register so that we can generate a
8769         store, limit the vector to be in a traditional Altivec register
8770         for the vextuwrx instruction.
8772 2017-01-03  Ian Lance Taylor  <iant@google.com>
8774         * godump.c (go_format_type): Treat ENUMERAL_TYPE like INTEGER_TYPE.
8776 2017-01-03  Martin Sebor  <msebor@redhat.com>
8778         PR tree-optimization/78696
8779         * gimple-ssa-sprintf.c (format_floating): Correct handling of
8780         precision.  Use MPFR for %f for greater fidelity.  Correct handling
8781         of %g.
8782         (pass_sprintf_length::compute_format_length): Set width and precision
8783         specified by asrerisk to void_node for vararg functions.
8784         (try_substitute_return_value): Adjust dump output.
8786 2017-01-03  David Edelsohn  <dje.gcc@gmail.com>
8788         * doc/invoke.texi (RS6000 options): LRA is enabled by default.
8790 2017-01-03  Eric Botcazou  <ebotcazou@adacore.com>
8792         * doc/invoke.texi (SPARC options): Document -mlra as the default.
8793         * config/sparc/sparc.c (sparc_option_override): Force LRA unless
8794         -mlra/-mno-lra was passed to the compiler.
8796 2017-01-03  James Cowgill  <James.Cowgill@imgtec.com>
8798         PR rtl-optimization/65618
8799         * emit-rtl.c (try_split): Move initialization of "before" and
8800         "after" to just before the call to emit_insn_after_setloc.
8802 2017-01-03  Gerald Pfeifer  <gerald@pfeifer.com>
8804         * doc/md.texi (Standard Names): Remove reference to Java frontend.
8806 2017-01-03  Pierre-Marie de Rodat  <derodat@adacore.com>
8808         * dwarf2out.c (gen_enumeration_type_die): When
8809         -gno-strict-dwarf, add a DW_AT_encoding attribute.
8811 2017-01-03  Jakub Jelinek  <jakub@redhat.com>
8813         PR tree-optimization/78965
8814         * gimple-ssa-sprintf.c (pass_sprintf_length::compute_format_length):
8815         Change first argument from const call_info & to call_info &.  For %n
8816         set info.nowrite to false.
8818         PR middle-end/78901
8819         * gimple-ssa-sprintf.c (try_substitute_return_value): Don't change
8820         possibly throwing calls.
8822         * genmatch.c (dt_node::gen_kids_1): If generic_exprs include SSA_NAME
8823         and exprs_len || fns_len, emit the code for SSA_NAME next to the exprs
8824         and fns handling, rather than in a separate case SSA_NAME.
8826 2017-01-02  Jeff Law  <law@redhat.com>
8828         * config/darwin-driver.c (darwin_driver_init): Const-correctness
8829         fixes for first_period and second_period variables.
8831 2017-01-02  Uros Bizjak  <ubizjak@gmail.com>
8833         PR target/78967
8834         * config/i386/i386.md (UNSPEC_NOREX_MEM): New unspec.
8835         (*insvqi_1): New insn pattern.
8836         (*insvqi_1_mem_rex64): Ditto.
8837         (*insvqi_2): Ditto.
8838         (*insvqi_3): Rename from *insvqi.
8840         (*extzvqi_mem_rex64): Add UNSPEC_NOREX_MEM tag.
8842 2017-01-02  Gerald Pfeifer  <gerald@pfeifer.com>
8844         * doc/cfg.texi (Edges): Remove reference to Java.
8845         (Maintaining the CFG): Ditto.
8847 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
8849         PR middle-end/77674
8850         * symtab.c (symtab_node::binds_to_current_def_p): Fix handling of
8851         transparent aliases.
8853 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
8855         PR middle-end/77484
8856         * predict.def (PRED_CALL): Update hitrate.
8857         (PRED_INDIR_CALL, PRED_POLYMORPHIC_CALL): New predictors.
8858         * predict.c (tree_estimate_probability_bb): Split CALL predictor
8859         into direct/indirect/polymorphic variants.
8861 2017-01-01  Jakub Jelinek  <jakub@redhat.com>
8863         Update copyright years.
8865         * gcc.c (process_command): Update copyright notice dates.
8866         * gcov-dump.c (print_version): Ditto.
8867         * gcov.c (print_version): Ditto.
8868         * gcov-tool.c (print_version): Ditto.
8869         * gengtype.c (create_file): Ditto.
8870         * doc/cpp.texi: Bump @copying's copyright year.
8871         * doc/cppinternals.texi: Ditto.
8872         * doc/gcc.texi: Ditto.
8873         * doc/gccint.texi: Ditto.
8874         * doc/gcov.texi: Ditto.
8875         * doc/install.texi: Ditto.
8876         * doc/invoke.texi: Ditto.
8878 Copyright (C) 2017 Free Software Foundation, Inc.
8880 Copying and distribution of this file, with or without modification,
8881 are permitted in any medium without royalty provided the copyright
8882 notice and this notice are preserved.