re PR lto/69393 (ICE in dwarf2out_finish, at dwarf2out.c:27175 with LTO)
[platform/upstream/gcc.git] / gcc / ChangeLog
1 2016-01-25  Richard Biener  <rguenther@suse.de>
2
3         PR lto/69393
4         * dwarf2out.c (is_naming_typedef_decl): Not when DECL_NAMELESS.
5         * tree-streamer-out.c (pack_ts_base_value_fields): Stream
6         DECL_NAMELESS.
7         * tree-streamer-in.c (unpack_ts_base_value_fields): Likewise.
8
9 2016-01-25  Richard Biener  <rguenther@suse.de>
10
11         PR tree-optimization/69376
12         * tree-ssa-sccvn.h (struct vn_ssa_aux): Add range_info_anti_range_p
13         flag.
14         (VN_INFO_ANTI_RANGE_P): New inline.
15         (VN_INFO_RANGE_TYPE): Likewise.
16         * tree-ssa-sccvn.c (set_ssa_val_to): Also record and copy
17         SSA_NAME_ANTI_RANGE_P.
18         (free_scc_vn): Restore SSA_NAME_ANTI_RANGE_P.
19         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
20         Properly query VN_INFO_RANGE_TYPE.
21
22 2016-01-25  Nick Clifton  <nickc@redhat.com>
23
24         PR target/66655
25         * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Remove definition.
26
27 2016-01-23  Tom de Vries  <tom@codesourcery.com>
28
29         PR tree-optimization/69426
30         * tree-parloops.c (eliminate_local_variables_stmt): Handle vdef of
31         removed clobber.
32
33 2016-01-23  Jakub Jelinek  <jakub@redhat.com>
34
35         * tree-ssanames.c (release_free_names_and_compact_live_names): Replace
36         "the the" with "the" in the comments.
37         * ipa-devirt.c (build_type_inheritance_graph,
38         update_type_inheritance_graph): Likewise.
39         * tree.c (build_function_type_list_1): Likewise.
40         * cfgloopmanip.c (scale_loop_profile): Likewise.
41         * tree-ssa-loop-ivopts.c (get_shiftadd_cost): Likewise.
42         * gimple-ssa-split-paths.c
43         (find_block_to_duplicate_for_splitting_paths): Likewise.
44         * tree-sra.c (init_subtree_with_zero, clobber_subtree): Likewise.
45         * expr.c (convert_move): Likewise.
46         * var-tracking.c (vt_stack_adjustments): Likewise.
47         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Likewise.
48         * tree-vrp.c (test_for_singularity): Likewise.
49
50         * tree-vect-stmts.c (vectorizable_condition): Build a VEC_COND_EXPR
51         directly instead of building a temporary tree.
52
53         PR bootstrap/69434
54         * genrecog.c: Define INCLUDE_ALGORITHM before including system.h,
55         remove <algorithm> include.
56
57 2016-01-22  Jakub Jelinek  <jakub@redhat.com>
58
59         PR target/69432
60         * config/i386/i386.c: Include dojump.h.
61         (expand_small_movmem_or_setmem,
62         expand_set_or_movmem_prologue_epilogue_by_misaligned_moves): Spelling
63         fixes.
64         (ix86_expand_set_or_movmem): Call do_pending_stack_adjust () early
65         if dynamic_check != -1.
66
67 2016-01-21  Jeff Law  <law@redhat.com>
68
69         PR middle-end/69347
70         * tree-ssa-dom.c (back_propagate_equivalences): Factored out of
71         record_temporary_equivalences.  Rewritten to avoid unnecessary calls
72         into dominated_by_p.
73         (cprop_into_successor_phis): Avoid unnecessary tests.
74
75 2016-01-22  Richard Henderson  <rth@redhat.com>
76
77         PR target/69416
78         * config/aarch64/aarch64.md (UNSPEC_NZCV): New.
79         (ccmp<mode>, fccmp<mode>, fccmpe<mode>): Use it.
80
81 2016-01-22  Michael Matz  <matz@suse.de>
82
83         * system.h (string, algorithm): Include only conditionally.
84         (new): Include always under C++.
85         * bb-reorder.c (toplevel): Define INCLUDE_ALGORITHM.
86         * final.c (toplevel): Ditto.
87         * ipa-chkp.c (toplevel): Define INCLUDE_STRING.
88         * genconditions.c (write_header): Make gencondmd.c define
89         INCLUDE_STRING.
90         * mem-stats.h (mem_usage::print_dash_line): Don't use std::string.
91
92         * config/aarch64/aarch64.c (toplevel): Define INCLUDE_STRING.
93         * common/config/aarch64/aarch64-common.c (toplevel): Ditto.
94
95 2016-01-22  Christian Bruel  <christian.bruel@st.com>
96
97         PR target/68674
98         * expr.c (expand_expr_real_1): Reset DECL_MODE if VECTOR_TYPE_P changed.
99
100 2016-01-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
101
102         PR target/69403
103         * config/arm/thumb2.md (*thumb2_ior_scc_strict_it): Convert to
104         define_insn_and_split.  Ensure operands[1] and operands[0] do not
105         get assigned the same register.
106
107 2016-01-22  Kugan Vivekanandarajah  <kuganv@linaro.org>
108
109         * ipa-prop.c (ipa_set_jf_constant): Remove redundant unshare_expr.
110
111 2016-01-22  Christian Bruel  <christian.bruel@st.com>
112
113         * config/arm/arm-c.c (arm_pragma_target_parse):
114         Remove warn_builtin_macro_redefined overwrite.
115
116 2016-01-22  Eric Botcazou  <ebotcazou@adacore.com>
117
118         * ipa-inline.c (can_inline_edge_p): Back out overzealous check on
119         flag_non_call_exceptions compatibility.
120
121 2016-01-22  Jakub Jelinek  <jakub@redhat.com>
122
123         PR debug/66668
124         * dwarf2out.c (add_child_die_after): New function.
125         (dwarf_qual_info_t): New type.
126         (dwarf_qual_info): New variable.
127         (qualified_die_p): New function.
128         (modified_type_die): For -fdebug-types-section, ensure
129         canonical order of qualifiers.  Put qualified DIEs adjacent
130         to the corresponding non-qualified type DIE and search there
131         for existing qualified DIEs.
132
133 2016-01-22  Eric Botcazou  <ebotcazou@adacore.com>
134
135         * doc/extend.texi (scalar_storage_order type attribute): Document
136         restriction on type punning and aliasing, and remove future tense.
137
138 2016-01-21  Roman Zhuykov  <zhroma@ispras.ru>
139
140         PR target/69252
141         * modulo-sched.c (optimize_sc): Allow branch-scheduling to add a new
142         first stage.
143
144 2016-01-21  Jeff Law  <law@redhat.com>
145
146         PR middle-end/69347
147         * tree-ssa-dom.c (dom_opt_dom_walker::thread_across_edge): Avoid
148         useless call to record_temporary_equivalences.
149         * tree-ssa-threadbackward.c (find_jump_threads_backwards): Just
150         allocate 10 slots in the bb_path vector and let it grow as needed.
151         (fsm_find_control_statement_thread_paths): Similarly for the next_path
152         vector.
153
154 2016-01-21  David Edelsohn  <dje.gcc@gmail.com>
155
156         * configure.ac (gcc_cv_as_powerpc_mfcrf, gcc_cv_as_machine_directive):
157         Detangle.
158         * configure: Regenerate.
159
160 2016-01-21  Pat Haugen  <pthaugen@us.ibm.com>
161
162         * config/rs6000/aix71.h (ASM_CPU_SPEC): Add entry for Power9.
163         * config/rs6000/driver-rs6000.c (struct asm_names): Likewise.
164
165 2016-01-21  Bernd Schmidt  <bschmidt@redhat.com>
166
167         PR middle-end/66178
168         * expr.c (expand_expr_real_2) [PLUS_EXPR, MINUS_EXPR]: Don't
169         drop EXPAND_INITIALIZER.
170         * rtl.h (contains_symbolic_reference_p): Declare.
171         * rtlanal.c (contains_symbolic_reference_p): New function.
172         * simplify-rtx.c (simplify_binary_operation_1): Don't turn
173         a subtraction into a NOT if symbolic constants are involved.
174
175 2016-01-21  Anton Blanchard  <anton@samba.org>
176             Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
177
178         PR target/63354
179         * config/rs6000/linux64.h (TARGET_KEEP_LEAF_WHEN_PROFILED): New
180         #define.
181         * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled): New
182         function.
183
184 2016-01-21  Ajit Agarwal  <ajitkum@xilinx.com>
185
186         * config/microblaze/microblaze.c
187         (get_branch_target): New.
188         (insert_wic_for_ilb_runout): New.
189         (insert_wic): New.
190         (microblaze_machine_dependent_reorg): New.
191         (TARGET_MACHINE_DEPENDENT_REORG): Define macro.
192         * config/microblaze/microblaze.md
193         (UNSPEC_IPREFETCH): Define.
194         (iprefetch): New pattern
195         * config/microblaze/microblaze.opt
196         (mxl-prefetch): New flag.
197
198 2016-01-21  Ajit Agarwal  <ajitkum@xilinx.com>
199
200         * config/microblaze/microblaze.h
201         (FIXED_REGISTERS): Update in macro.
202         (CALL_USED_REGISTERS): Update in macro.
203
204 2016-01-21  Yuri Rumyantsev  <ysrumyan@gmail.com>
205
206         PR rtl-optimization/68920
207         * ifcvt.c (cond_move_process_if_block): Limit number of conditional
208         moves.
209
210 2016-01-21  Vladimir Makarov  <vmakarov@redhat.com>
211
212         PR rtl-optimization/68990
213         * lra-coalesce.c (lra_coalesce): Invalidate value for the result
214         pseudo instead of inheritance ones.
215
216 2016-01-21  Bernd Edlinger  <bernd.edlinger@hotmail.de>
217             Nick Clifton  <nickc@redhat.com>
218
219         PR target/69129
220         PR target/69012
221         * config/mips/mips.c (mips_compute_frame_info): Initialise
222         args_size and hard_frame_pointer_offset fields of the frame
223         structure before calling mips_global_pointer.
224
225 2016-01-21  David Edelsohn  <dje.gcc@gmail.com>
226
227         * configure.ac (gcc_cv_as_dwloc): Test support for debug frame section
228         label reference.
229         * configure: Regenerate.
230
231 2016-01-21  Richard Biener  <rguenther@suse.de>
232
233         * graphite-optimize-isl.c (get_schedule_map): Fix typo.
234
235 2016-01-21  Marcin Kościelnicki  <koriakin@0x04.net>
236
237         * config/s390/s390.c (s390_asm_declare_function_size): Add code
238         to actually emit the .size directive.
239
240 2016-01-21   Stefan Sørensen  <stefan.sorensen@spectralink.com>
241              Jakub Jelinek  <jakub@redhat.com>
242
243         PR target/69187
244         PR target/65624
245         * config/arm/arm-builtins.c (arm_expand_neon_builtin): Increase
246         args array size by one to avoid buffer overflow.
247
248 2016-01-21  Marcin Kościelnicki  <koriakin@0x04.net>
249
250         * config/s390/s390.md (pool_section_start): Use switch_to_section
251         to select proper read-only data section instead of hardcoding
252         .rodata.
253         (pool_section_end): Use switch_to_section to match the above.
254
255 2016-01-21  Richard Biener  <rguenther@suse.de>
256
257         PR tree-optimization/69378
258         * tree-ssa-sccvn.c (dominated_by_p_w_unex): New function.
259         (set_ssa_val_to): Use it for dominance checks taking into
260         account not executable edges.
261
262 2016-01-21  Jakub Jelinek  <jakub@redhat.com>
263
264         PR c++/69355
265         * tree-dfa.c (get_ref_base_and_extent): Use GET_MODE_BITSIZE (mode)
266         for bitsize instead of GET_MODE_PRECISION (mode).
267
268 2016-01-20  Martin Sebor  <msebor@redhat.com>
269
270         PR c/52291
271         * extend.texi (__sync Builtins): Clarify the semantics of
272         __sync_fetch_and_OP built-ins on pointers.
273         (__atomic Builtins): Same.
274
275 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
276             Sebastian Pop  <s.pop@samsung.com>
277
278         * graphite-isl-ast-to-gimple.c (enum phi_node_kind): New.
279         (class translate_isl_ast_to_gimple): Use phi_node_kind instead of bool.
280         (is_valid_rename): Same.
281         (translate_isl_ast_to_gimple::get_rename): Same.
282         (translate_isl_ast_to_gimple::rename_all_uses): Same.
283         (translate_isl_ast_to_gimple::rename_uses): Same.
284         (get_new_name): Check for close_phi nodes.
285         (copy_loop_phi_args): Use phi_node_kind.
286         (translate_isl_ast_to_gimple::copy_loop_close_phi_args): Same.
287         (translate_isl_ast_to_gimple::copy_cond_phi_args): Same.
288
289 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
290             Sebastian Pop  <s.pop@samsung.com>
291
292         Revert commit r229783.
293         * graphite-isl-ast-to-gimple.c (gcc_expression_from_isl_ast_expr_id):
294         Remove use of parameter_rename_map.
295         (copy_def): Remove.
296         (copy_internal_parameters): Remove.
297         (graphite_regenerate_ast_isl): Remove call to copy_internal_parameters.
298         * sese.c (new_sese_info): Do not initialize parameter_rename_map.
299         (free_sese_info): Do not free parameter_rename_map.
300         (set_rename): Do not use parameter_rename_map.
301         (rename_uses): Update call to set_rename.
302         (graphite_copy_stmts_from_block): Do not use parameter_rename_map.
303         * sese.h (parameter_rename_map_t): Remove.
304         (struct sese_info_t): Remove field parameter_rename_map.
305
306 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
307             Sebastian Pop  <s.pop@samsung.com>
308
309         * graphite-isl-ast-to-gimple.c: Fix comment.
310         * graphite-scop-detection.c (defined_in_loop_p): New.
311         (canonicalize_loop_closed_ssa): Do not add close phi nodes for SSA
312         names defined in loop.
313
314 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
315             Sebastian Pop  <s.pop@samsung.com>
316
317         * graphite-scop-detection.c (scop_detection::harmful_loop_in_region):
318         Discard unstructured if-then-else regions.
319
320 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
321             Sebastian Pop  <s.pop@samsung.com>
322
323         * graphite-sese-to-poly.c (set_scop_parameter_dim): Remove.
324         (cleanup_loop_iter_dom): Remove.
325         (build_loop_iteration_domains): Remove.
326         (build_scop_context): Remove.
327         (build_scop_iteration_domain): Remove.
328         (add_loop_constraints): New.
329         (build_iteration_domains): New.
330         (build_poly_scop): Call build_iteration_domains.
331
332 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
333             Sebastian Pop  <s.pop@samsung.com>
334
335         * graphite-scop-detection.c
336         (scop_detection::harmful_loop_in_region): Free dom and loops.
337         (scop_detection::loop_body_is_valid_scop): Free bbs.
338
339 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
340             Sebastian Pop  <s.pop@samsung.com>
341
342         * graphite-scop-detection.c (record_loop_in_sese): New.
343         (gather_bbs::before_dom_children): Call record_loop_in_sese.
344         (build_scops): Remove call to build_sese_loop_nests.
345         * sese.c (sese_record_loop): Remove.
346         (build_sese_loop_nests): Remove.
347         (new_sese_info): Remove region->loops.
348         (free_sese_info): Same.
349         * sese.h (sese_contains_loop): Same.
350         (build_sese_loop_nests): Remove.
351         (sese_contains_loop): Remove.
352
353 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
354             Sebastian Pop  <s.pop@samsung.com>
355
356         * graphite-scop-detection.c (loop_is_valid_scop): Renamed loop_is_valid_in_scop.
357         (scop_detection::harmful_stmt_in_region): Renamed harmful_loop_in_region.
358         Call loop_is_valid_in_scop.
359
360 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
361             Sebastian Pop  <s.pop@samsung.com>
362
363         * graphite-isl-ast-to-gimple.c (translate_isl_ast): Also handle
364         isl_ast_node_mark.
365
366 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
367             Sebastian Pop  <s.pop@samsung.com>
368
369         * graphite-poly.c (new_poly_bb): Remove use of PBB_IS_REDUCTION.
370         * graphite.h (struct poly_bb): Remove field is_reduction.
371         (PBB_IS_REDUCTION): Remove.
372
373 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
374             Sebastian Pop  <s.pop@samsung.com>
375
376         * graphite-dependences.c (constrain_domain): Add call to isl_*_coalesce.
377         (add_pdr_constraints): Same.
378         (scop_get_reads): Same.
379         (scop_get_must_writes): Same.
380         (scop_get_may_writes): Same.
381         (scop_get_original_schedule): Same.
382         (extend_schedule): Same.
383         (apply_schedule_on_deps): Same.
384         (carries_deps): Same.
385         (compute_deps): Same.
386         (scop_get_dependences): Same.
387         * graphite-isl-ast-to-gimple.c
388         (translate_isl_ast_to_gimple::generate_isl_schedule): Same.
389         * graphite-optimize-isl.c (get_schedule_for_band): Same.
390         (get_schedule_for_band_list): Same.
391         (get_schedule_map): Same.
392         (apply_schedule_map_to_scop): Same.
393         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
394         (build_loop_iteration_domains): Same.
395         (add_condition_to_pbb): Same.
396         (add_param_constraints): Same.
397         (pdr_add_memory_accesses): Same.
398         (pdr_add_data_dimensions): Same.
399
400 2016-01-20  Sandra Loosemore <sandra@codesourcery.com>
401
402         * doc/invoke.texi (Instrumentation Options): Clarify -mmpx linking
403         requirements.
404
405 2016-01-20  Sandra Loosemore <sandra@codesourcery.com>
406
407         * common.opt (feliminate-dwarf2-dups): Replace references to
408         "DWARF 2" with just "DWARF".
409         * config/ia64/ia64.opt (mdwarf2-asm): Likewise.
410         * doc/extend.texi: Likewise.
411         * doc/cpp.texi: Likewise.
412         * doc/invoke.texi: Likewise.
413         (Option Summary): Add -gdwarf to list of Debugging Options.
414         (Debugging Options): Document -gdwarf.
415         * doc/contrib.texi: Spell "DWARF" like that.
416
417 2016-01-21  Jakub Jelinek  <jakub@redhat.com>
418
419         * omp-low.c (expand_omp_target): Avoid -Wmaybe-uninitialized
420         warning.  Fix up formatting.
421
422         PR middle-end/67653
423         * gimplify.c (gimplify_asm_expr): Warn if it is too late to
424         attempt to mark memory input operand addressable and
425         call prepare_gimple_addressable in that case.  Don't adjust
426         input_location for diagnostics, use error_at instead.
427
428 2016-01-20  Peter Bergner  <bergner@vnet.ibm.com>
429
430         * config/rs6000/ppc-auxv.h: New file.
431         * config/rs6000/rs6000-builtin.def (cpu_init): Add new builtin.
432         (cpu_is): Likewise.
433         (cpu_supports): Likewise.
434         * config/rs6000/rs6000.c: include "ppc-auxv.h".
435         (cpu_is_info): New variable.
436         (cpu_supports_info): Likewise.
437         (tcb_verification_symbol): Likewise.
438         (cpu_builtin_p): Likewise.
439         (cpu_expand_builtin): New function.
440         (rs6000_expand_ternop_builtin): Add support for CPU builtin functions.
441         (rs6000_init_builtins): Likewise.
442         (rs6000_elf_file_end): Emit HWCAP in TCB verification symbol.
443         * config/rs6000/rs6000.h (TLS_REGNUM): New define.
444         * configure.ac (gcc_cv_libc_provides_hwcap_in_tcb): New test.
445         * configure: Regenerate.
446         * config.in: Likewise.
447         * doc/extend.texi (PowerPC Built-in Functions): Document
448         __builtin_cpu_init, __builtin_cpu_is and __builtin_cpu_supports.
449
450 2016-01-20  David Edelsohn  <dje.gcc@gmail.com>
451
452         PR target/68609
453         * config/rs6000/rs6000.c (rs6000_emit_swsqrt): Add vector sqrt
454         domain check.
455         * config/rs6000/vector.md (sqrt<mode>2): Call rs6000_emit_swsqrt
456         for V4SFmode.
457
458 2016-01-20  Richard Henderson  <rth@redhat.com>
459
460         PR bootstrap/69343
461         PR bootstrap/69339
462         PR tree-opt/68964
463         Revert:
464         * tree.c (tm_define_builtin): New.
465         (find_tm_vector_type): New.
466         (build_tm_vector_builtins): New.
467         (build_common_builtin_nodes): Call it.
468
469 2016-01-20  Christophe Lyon  <christophe.lyon@linaro.org>
470
471         * doc/sourcebuild.texi (arm_crypto_pragma_ok): Document new entry.
472         (arm_fp_ok): Likewise.
473         (arm_fp): Likewise.
474         (arm_crypto): Likewise.
475
476 2016-01-20  Ilya Enkovich  <enkovich.gnu@gmail.com>
477             Richard Biener  <rguenther@suse.de>
478
479         PR tree-optimization/69328
480         * tree-vect-stmts.c (vect_is_simple_cond): Check compared
481         vectors have same number of elements.
482         (vectorizable_condition): Fix masked version recognition.
483
484 2016-01-20  Richard Biener  <rguenther@suse.de>
485
486         PR tree-optimization/69345
487         * tree-ssa-sccvn.h (VN_INFO_RANGE_INFO): New inline function.
488         (VN_INFO_PTR_INFO): Likewise.
489         * tree-ssa-sccvn.c (set_ssa_val_to): Avoid clearing points-to
490         info when it is equal between non-dominating SSA names.
491         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
492         Make sure to look at original SSA infos.
493
494 2016-01-20  Jeff Law  <law@redhat.com>
495
496         PR target/25114
497         * config/m68k/predicates.md (pow2_m1_operand): New predicate
498         extracted from ...
499         (reg_or_pow2_m1_operand): Call pow2_m1_operand.
500         (pc_or_label_operand): New predicate.
501         * config/m68k/m68k.md: Add new peephole2 patterns for GTU/LEU
502         tests for small integers that are 2^n - 1.
503
504 2016-01-20  Jonathan Wakely  <jwakely@redhat.com>
505
506         * doc/invoke.texi (Options Summary): Add '.' after @xref.
507
508 2016-01-19  Jeff Law  <law@redhat.com>
509
510         PR middle-end/69347
511         * tree-ssa-threadbackwards.c
512         (fsm_find_control_statement_thread_paths): Do not try to lookup
513         FSM paths for SSA_NAMEs appearing in abnormal PHIs.
514
515 2016-01-20  Kugan Vivekanandarajah  <kuganv@linaro.org>
516
517         * doc/lto.texi: Remove text that says only Gold has linker plugin
518         support.
519
520 2016-01-19  Eric Botcazou  <ebotcazou@adacore.com>
521
522         * dwarf2out.c (need_endianity_attribute_p): New inline predicate.
523         (base_type_die): Add REVERSE parameter and attach DW_AT_endianity to
524         the DIE accordingly.
525         (modified_type_die): Add REVERSE parameter and pass it recursively,
526         as well as to base_type_die.  Adjust presence check accordingly.
527         (base_type_for_mode): Adjust call to modified_type_die.
528         (add_type_attribute): Add REVERSE parameter and pass it to
529         modified_type_die.
530         (generic_parameter_die): Adjust call to add_type_attribute.
531         (add_scalar_info): Likewise.
532         (add_subscript_info): Likewise.
533         (gen_array_type_die): Likewise.
534         (gen_descr_array_type_die): Likewise.
535         (gen_entry_point_die): Likewise.
536         (gen_enumeration_type_die): Likewise.
537         (gen_formal_parameter_die): Likewise.
538         (gen_subprogram_die): Likewise.
539         (gen_variable_die ): Likewise.
540         (gen_const_die): Likewise.
541         (gen_field_die): Likewise.
542         (gen_pointer_type_die): Likewise.
543         (gen_reference_type_die): Likewise.
544         (gen_ptr_to_mbr_type_die): Likewise.
545         (gen_inheritance_die): Likewise.
546         (gen_subroutine_type_die): Likewise.
547         (gen_typedef_die): Likewise.
548         (force_type_die): Adjust call to modified_type_die.
549
550 2016-01-19  Sandra Loosemore <sandra@codesourcery.com>
551
552         * doc/standards.texi: Copy-editing for grammar, markup, and sentence
553         flow throughout the file.  Fix broken link to Objective-C 2.0
554         documentation.
555         * doc/invoke.texi: More copy-editing; fix numerous typos and spelling
556         errors.
557
558 2016-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
559
560         * ccmp.c (expand_ccmp_expr_1): Avoid spurious unused warnings.
561
562 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
563
564         PR ipa/66223
565         * ipa-devirt.c (is_cxa_pure_virtual_p): New function.
566         (maybe_record_node): Record cxa_pure_virtual as the only possible
567         target if there are not ohter candidates.
568         (possible_polymorphic_call_target_p): Accept cxa_pure_virtual.
569
570 2016-01-19  Richard Biener  <rguenther@suse.de>
571
572         * hsa-gen.c (get_memory_order_name): Use MEMMODEL_ constants.
573         (get_memory_order): Likewise.
574
575 2016-01-19  Kirill Yukhin  <kirill.yukhin@intel.com>
576
577         * tree-vect-stmts.c (vectorizable_store): Check
578         rhs vectype.
579
580 2016-01-19  David Malcolm  <dmalcolm@redhat.com>
581
582         PR jit/68446
583         * gcc.c (driver::decode_argv): Add call to
584         init_opts_obstack before init_options_struct.
585         * opts.c (init_opts_obstack): Remove idempotency.
586         (init_options_struct): Replace call to init_opts_obstack
587         with a gcc_assert to verify that it has already been called.
588         * toplev.c (toplev::main): Add call to init_opts_obstack before
589         calls to init_options_struct.
590         (toplev::finalize): Move cleanup of opts_obstack next to
591         cleanup of save_decoded_options, clearing the latter, and
592         save_decoded_options_count.
593
594 2016-01-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
595
596         PR target/69135
597         * config/arm/vfp.md (l<vrint_pattern><su_optab><mode>si2): Set "conds"
598         attribute to unconditional.  Remove %? from output template.
599
600 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
601             Jiong Wang  <jiong.wang@arm.com>
602
603         * ccmp.c (expand_ccmp_expr_1): Cost the instruction sequences
604         generated from different expand order.
605
606 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
607
608         * /config/aarch64/aarch64.c (aarch64_if_then_else_costs):
609         Add support for CCMP costing.
610
611 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
612
613         * ccmp.c (ccmp_candidate_p): Remove integer-only restriction.
614         * config/aarch64/aarch64.md (fccmp<mode>): New pattern.
615         (fccmpe<mode>): Likewise.
616         (fcmp): Rename to fcmp and globalize pattern.
617         (fcmpe): Likewise.
618         * config/aarch64/aarch64.c (aarch64_gen_ccmp_first): Add FP support.
619         (aarch64_gen_ccmp_next): Add FP support.
620
621 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
622
623         * target.def (gen_ccmp_first): Update documentation.
624         (gen_ccmp_next): Likewise.
625         * doc/tm.texi (gen_ccmp_first): Update documentation.
626         (gen_ccmp_next): Likewise.
627         * ccmp.c (expand_ccmp_expr): Extract cmp_code from return value of
628         expand_ccmp_expr_1.  Improve comments.
629         * config/aarch64/aarch64.md (ccmp_and): Use if_then_else for ccmp.
630         (ccmp_ior<mode>): Remove pattern.
631         (cmp<mode>): Remove expand.
632         (cmp): Globalize pattern.
633         (cstorecc4): Use cc_register.
634         (mov<mode>cc): Remove ccmp_cc_register check.
635         * config/aarch64/aarch64.c (aarch64_get_condition_code_1):
636         Simplify after removal of CC_DNE/* modes.
637         (aarch64_ccmp_mode_to_code): Remove.
638         (aarch64_print_operand): Remove 'K' case.  Merge 'm' and 'M' cases.
639         In 'k' case use integer as condition.
640         (aarch64_nzcv_codes): Remove inverted cases.
641         (aarch64_code_to_ccmode): Remove.
642         (aarch64_gen_ccmp_first): Use cmp pattern directly.  Return the correct
643         comparison with CC register to be used in folowing CCMP/branch/CSEL.
644         (aarch64_gen_ccmp_next): Use previous comparison and mode in CCMP
645         pattern.  Return the comparison with CC register.  Invert conditions
646         when bitcode is OR.
647         * config/aarch64/aarch64-modes.def: Remove CC_DNE/* modes.
648         * config/aarch64/predicates.md (ccmp_cc_register): Remove.
649
650 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
651
652         * cgraphunit.c (cgraph_node::reset): Clear thunk info and
653         instrumented_version.
654
655 2016-01-19  Richard Biener  <rguenther@suse.de>
656
657         PR tree-optimization/69336
658         * tree-ssa-scopedtables.c (avail_expr_hash): Handle all
659         handled components with get_ref_base_and_extent.
660         (equal_mem_array_ref_p): Adjust.
661
662 2016-01-19  Jakub Jelinek  <jakub@redhat.com>
663
664         PR debug/65779
665         * shrink-wrap.c: Include valtrack.h.
666         (move_insn_for_shrink_wrap): Add DEBUG argument.  If
667         MAY_HAVE_DEBUG_INSNS, call dead_debug_add on DEBUG_INSNs
668         in between insn and where it will be moved to.  Call
669         dead_debug_insert_temp.
670         (prepare_shrink_wrap): Adjust caller.  Call dead_debug_local_init
671         first and dead_debug_local_finish at the end.
672         For uses and defs bitmap, handle all regs in between REGNO and
673         END_REGNO, not just the first one.
674
675 2016-01-19  Richard Biener  <rguenther@suse.de>
676
677         PR tree-optimization/69352
678         * tree-ssa-scopedtables.c (avail_expr_hash): Check for size == -1.
679         (equal_mem_array_ref_p): Constrain size and max size properly.
680         Compare the reverse flag.
681
682 2016-01-19  Bernd Schmidt  <bschmidt@redhat.com>
683
684         * ira.c (ira): Update regstat data if we deleted insns.
685
686 2016-01-19  Jakub Jelinek  <jakub@redhat.com>
687
688         PR rtl-optimization/68955
689         PR rtl-optimization/64557
690         * dse.c (record_store, check_mem_read_rtx): Don't call get_addr
691         here.  Fix up formatting.
692         * alias.c (get_addr): Handle VALUE +/- CONST_SCALAR_INT_P.
693
694 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
695
696         PR lto/69133
697         * cgraphunit.c (cgraph_node::expand_thunk): When forcing gimple
698         assume that the node has body.
699         * cgraph.c (cgraph_node::get_untransformed_body): Use gimple_body_p
700         check.
701
702 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
703
704         * lto-streamer-out.c (lto_output): Do not stream instrumentation
705         thunks.
706
707 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
708
709         * symtab.c (symtab_node::asm_name): Do not call printable name directly.
710         (symtab_node::name): Report name as unnamed if DECL_NAME is not set.
711
712 2016-01-19  Martin Jambor  <mjambor@suse.cz>
713             Martin Liska  <mliska@suse.cz>
714             Michael Matz <matz@suse.de>
715
716         * Makefile.in (OBJS): Add new source files.
717         (GTFILES): Add hsa.c.
718         * common.opt (disable_hsa): New variable.
719         (-Whsa): New warning.
720         * config.in (ENABLE_HSA): New.
721         * configure.ac: Treat hsa differently from other accelerators.
722         (OFFLOAD_TARGETS): Define ENABLE_OFFLOADING according to
723         $enable_offloading.
724         (ENABLE_HSA): Define ENABLE_HSA according to $enable_hsa.
725         * doc/install.texi (Configuration): Document --with-hsa-runtime,
726         --with-hsa-runtime-include, --with-hsa-runtime-lib and
727         --with-hsa-kmt-lib.
728         * doc/invoke.texi (-Whsa): Document.
729         (hsa-gen-debug-stores): Likewise.
730         * lto-wrapper.c (compile_images_for_offload_targets): Do not attempt
731         to invoke offload compiler for hsa acclerator.
732         * opts.c (common_handle_option): Determine whether HSA offloading
733         should be performed.
734         * params.def (PARAM_HSA_GEN_DEBUG_STORES): New parameter.
735         * builtin-types.def (BT_FN_VOID_UINT_PTR_INT_PTR): New.
736         (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_INT_INT): Removed.
737         (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_PTR): New.
738         * gimple-low.c (lower_stmt): Also handle GIMPLE_OMP_GRID_BODY.
739         * gimple-pretty-print.c (dump_gimple_omp_for): Also handle
740         GF_OMP_FOR_KIND_GRID_LOOP.
741         (dump_gimple_omp_block): Also handle GIMPLE_OMP_GRID_BODY.
742         (pp_gimple_stmt_1): Likewise.
743         * gimple-walk.c (walk_gimple_stmt): Likewise.
744         * gimple.c (gimple_build_omp_grid_body): New function.
745         (gimple_copy): Also handle GIMPLE_OMP_GRID_BODY.
746         * gimple.def (GIMPLE_OMP_GRID_BODY): New.
747         * gimple.h (enum gf_mask): Added GF_OMP_PARALLEL_GRID_PHONY,
748         GF_OMP_FOR_KIND_GRID_LOOP, GF_OMP_FOR_GRID_PHONY and
749         GF_OMP_TEAMS_GRID_PHONY.
750         (gimple_statement_omp_single_layout): Updated comments.
751         (gimple_build_omp_grid_body): New function.
752         (gimple_has_substatements): Also handle GIMPLE_OMP_GRID_BODY.
753         (gimple_omp_for_grid_phony): New function.
754         (gimple_omp_for_set_grid_phony): Likewise.
755         (gimple_omp_parallel_grid_phony): Likewise.
756         (gimple_omp_parallel_set_grid_phony): Likewise.
757         (gimple_omp_teams_grid_phony): Likewise.
758         (gimple_omp_teams_set_grid_phony): Likewise.
759         (gimple_return_set_retbnd): Also handle GIMPLE_OMP_GRID_BODY.
760         * omp-builtins.def (BUILT_IN_GOMP_OFFLOAD_REGISTER): New.
761         (BUILT_IN_GOMP_OFFLOAD_UNREGISTER): Likewise.
762         (BUILT_IN_GOMP_TARGET): Updated type.
763         * omp-low.c: Include symbol-summary.h, hsa.h and params.h.
764         (adjust_for_condition): New function.
765         (get_omp_for_step_from_incr): Likewise.
766         (extract_omp_for_data): Moved parts to adjust_for_condition and
767         get_omp_for_step_from_incr.
768         (build_outer_var_ref): Handle GIMPLE_OMP_GRID_BODY.
769         (fixup_child_record_type): Bail out if receiver_decl is NULL.
770         (scan_sharing_clauses): Handle OMP_CLAUSE__GRIDDIM_.
771         (scan_omp_parallel): Do not create child functions for phony
772         constructs.
773         (check_omp_nesting_restrictions): Handle GIMPLE_OMP_GRID_BODY.
774         (scan_omp_1_op): Checking assert we are not remapping to
775         ERROR_MARK.  Also also handle GIMPLE_OMP_GRID_BODY.
776         (parallel_needs_hsa_kernel_p): New function.
777         (expand_parallel_call): Register apprpriate parallel child
778         functions as HSA kernels.
779         (grid_launch_attributes_trees): New type.
780         (grid_attr_trees): New variable.
781         (grid_create_kernel_launch_attr_types): New function.
782         (grid_insert_store_range_dim): Likewise.
783         (grid_get_kernel_launch_attributes): Likewise.
784         (get_target_argument_identifier_1): Likewise.
785         (get_target_argument_identifier): Likewise.
786         (get_target_argument_value): Likewise.
787         (push_target_argument_according_to_value): Likewise.
788         (get_target_arguments): Likewise.
789         (expand_omp_target): Call get_target_arguments instead of looking
790         up for teams and thread limit.
791         (grid_expand_omp_for_loop): New function.
792         (grid_arg_decl_map): New type.
793         (grid_remap_kernel_arg_accesses): New function.
794         (grid_expand_target_kernel_body): New function.
795         (expand_omp): Call it.
796         (lower_omp_for): Do not emit phony constructs.
797         (lower_omp_taskreg): Do not emit phony constructs but create for them
798         a temporary variable receiver_decl.
799         (lower_omp_taskreg): Do not emit phony constructs.
800         (lower_omp_teams): Likewise.
801         (lower_omp_grid_body): New function.
802         (lower_omp_1): Call it.
803         (grid_reg_assignment_to_local_var_p): New function.
804         (grid_seq_only_contains_local_assignments): Likewise.
805         (grid_find_single_omp_among_assignments_1): Likewise.
806         (grid_find_single_omp_among_assignments): Likewise.
807         (grid_find_ungridifiable_statement): Likewise.
808         (grid_target_follows_gridifiable_pattern): Likewise.
809         (grid_remap_prebody_decls): Likewise.
810         (grid_copy_leading_local_assignments): Likewise.
811         (grid_process_kernel_body_copy): Likewise.
812         (grid_attempt_target_gridification): Likewise.
813         (grid_gridify_all_targets_stmt): Likewise.
814         (grid_gridify_all_targets): Likewise.
815         (execute_lower_omp): Call grid_gridify_all_targets.
816         (make_gimple_omp_edges): Handle GIMPLE_OMP_GRID_BODY.
817         * tree-core.h (omp_clause_code): Added OMP_CLAUSE__GRIDDIM_.
818         (tree_omp_clause): Added union field dimension.
819         * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE__GRIDDIM_.
820         * tree.c (omp_clause_num_ops): Added number of arguments of
821         OMP_CLAUSE__GRIDDIM_.
822         (omp_clause_code_name): Added name of OMP_CLAUSE__GRIDDIM_.
823         (walk_tree_1): Handle OMP_CLAUSE__GRIDDIM_.
824         * tree.h (OMP_CLAUSE_GRIDDIM_DIMENSION): New.
825         (OMP_CLAUSE_SET_GRIDDIM_DIMENSION): Likewise.
826         (OMP_CLAUSE_GRIDDIM_SIZE): Likewise.
827         (OMP_CLAUSE_GRIDDIM_GROUP): Likewise.
828         * passes.def: Schedule pass_ipa_hsa and pass_gen_hsail.
829         * tree-pass.h (make_pass_gen_hsail): Declare.
830         (make_pass_ipa_hsa): Likewise.
831         * ipa-hsa.c: New file.
832         * lto-section-in.c (lto_section_name): Add hsa section name.
833         * lto-streamer.h (lto_section_type): Add hsa section.
834         * timevar.def (TV_IPA_HSA): New.
835         * hsa-brig-format.h: New file.
836         * hsa-brig.c: New file.
837         * hsa-dump.c: Likewise.
838         * hsa-gen.c: Likewise.
839         * hsa.c: Likewise.
840         * hsa.h: Likewise.
841         * toplev.c (compile_file): Call hsa_output_brig.
842         * hsa-regalloc.c: New file.
843
844 2016-01-18  Jeff Law  <law@redhat.com>
845
846         PR tree-optimization/69320
847         * tree-ssa-dom.c (record_edge_info): For comparisons against a boolean
848         ranged object, do nothing if the RHS constant is not [0..1].
849         (optimize_stmt): Comparing a boolean ranged object against a
850         constant outside [0..1] results in a compile-time constant.
851
852         * tree-ssanames.c (ssa_name_has_boolean_range): Remove unnecessary
853         test.
854
855 2016-01-18  Sandra Loosemore <sandra@codesourcery.com>
856
857         * doc/invoke.texi (Invoking GCC): Add new section to menu.
858         (Option Summary): Update to reflect new section and moved options.
859         (C++ Dialect Options): Move -fstats to new section.
860         (Debugging Options): Move all dump, statistics, and other GCC
861         developer options to new section.  Rewrite section introduction
862         and re-order remaining options to put the more basic ones first.
863         (Optimization Options): Move -fira-verbose and -flto-report* to
864         new section.
865         (Developer Options): New section incorporating moved options.
866         * doc/cppopts.texi (-dM): Update cross-reference.
867
868 2016-01-18  Richard Henderson  <rth@redhat.com>
869
870         PR target/69176
871         * config/aarch64/aarch64.md (add<GPI>3): Move long immediate
872         operands to pseudo only if CSE is expected.  Split long immediate
873         operands only after reload, and for the stack pointer.
874         (*add<GPI>3_pluslong): Remove.
875         (*addsi3_aarch64, *adddi3_aarch64): Merge into...
876         (*add<GPI>3_aarch64): ... here.  Add r/rk/Upl alternative.
877         (*addsi3_aarch64_uxtw): Add r/rk/Upl alternative.
878         (*add<GPI>3 peepholes): New.
879         (*add<GPI>3 splitters): New.
880         * config/aarch64/constraints.md (Upl): New.
881         * config/aarch64/predicates.md (aarch64_pluslong_strict_immedate): New.
882
883 2016-01-18  Richard Biener  <rguenther@suse.de>
884
885         PR tree-optimization/69297
886         * tree-vect-slp.c (vect_bb_slp_scalar_cost): Count each scalar
887         stmt at most once.
888         (vect_bb_vectorization_profitable_p): Clear visited flag again.
889
890 2016-01-18  Yuri Rumyantsev  <ysrumyan@gmail.com>
891
892         PR middle-end/68542
893         * fold-const.c (fold_binary_op_with_conditional_arg): Bail out for case
894         of mixind vector and scalar types.
895         (fold_relational_const): Add handling of vector
896         comparison with boolean result.
897         * tree-cfg.c (verify_gimple_comparison): Add argument CODE, allow
898         comparison of vector operands with boolean result for EQ/NE only.
899         (verify_gimple_assign_binary): Adjust call for verify_gimple_comparison.
900         (verify_gimple_cond): Likewise.
901         * tree-vrp.c (extract_code_and_val_from_cond_with_ops): Modify check on
902         valid type of VAL.
903
904 2016-01-18  Joseph Myers  <joseph@codesourcery.com>
905
906         * config/mips/mips.h (ISA_HAS_PAIRED_SINGLE): Require
907         !TARGET_OCTEON.
908
909 2016-01-18  Richard Biener  <rguenther@suse.de>
910
911         PR middle-end/69308
912         * gimple.c (gimple_could_trap_p_1): Handle GIMPLE_COND.
913
914 2016-01-18  Tom de Vries  <tom@codesourcery.com>
915
916         * passes.def: Add pass_parallelize_loops to pass_oacc_kernels.
917
918 2016-01-18  Tom de Vries  <tom@codesourcery.com>
919
920         * omp-low.c (set_oacc_fn_attrib): Make extern.
921         * omp-low.h (set_oacc_fn_attrib): Declare.
922         * tree-parloops.c (struct reduction_info): Add reduc_addr field.
923         (create_call_for_reduction_1): Handle case that reduc_addr is non-NULL.
924         (create_parallel_loop, gen_parallel_loop, try_create_reduction_list):
925         Add and handle function parameter oacc_kernels_p.
926         (find_reduc_addr, get_omp_data_i_param): New function.
927         (ref_conflicts_with_region, oacc_entry_exit_ok_1)
928         (oacc_entry_exit_single_gang, oacc_entry_exit_ok): New function.
929         (parallelize_loops): Add and handle function parameter oacc_kernels_p.
930         Calculate dominance info.  Skip loops that are not in a kernels region
931         in oacc_kernels_p mode.  Skip inner loops of parallelized loops.
932         (pass_parallelize_loops::execute): Call parallelize_loops with
933         oacc_kernels_p argument.
934         (pass_parallelize_loops::clone, pass_parallelize_loops::set_pass_param):
935         New member function.
936         (pass_parallelize_loops::bool oacc_kernels_p): New member var.
937         * passes.def: Add argument to pass_parallelize_loops instantation.
938
939 2016-01-18  Tom de Vries  <tom@codesourcery.com>
940
941         * tree-parloops.c (pass_parallelize_loops::execute): Allow
942         pass_parallelize_loops to be run outside the loop pipeline.
943
944 2016-01-18  Alan Lawrence  <alan.lawrence@arm.com>
945
946         * tree-scalar-evolution.c (follow_copies_to_constant): New.
947         (analyze_initial_condition, analyze_scalar_evolution_1): Call previous.
948
949 2016-01-18  Alan Lawrence  <alan.lawrence@arm.com>
950
951         PR target/63679
952         * tree-ssa-scopedtables.c (avail_expr_hash): Hash MEM_REF and ARRAY_REF
953         using get_ref_base_and_extent.
954         (equal_mem_array_ref_p): New.
955         (hashable_expr_equal_p): Add call to previous.
956
957 2016-01-18  Alan Lawrence  <alan.lawrence@arm.com>
958
959         PR target/63679
960         * tree-sra.c (disqualified_constants, constant_decl_p): New.
961         (sra_initialize): Allocate disqualified_constants.
962         (sra_deinitialize): Free disqualified_constants.
963         (disqualify_candidate): Update disqualified_constants when appropriate.
964         (create_access): Scan for constant-pool entries as we go along.
965         (scalarizable_type_p): Add check against type_contains_placeholder_p.
966         (maybe_add_sra_candidate): Allow constant-pool entries.
967         (load_assign_lhs_subreplacements): Bind debug for constant pool vars.
968         (initialize_constant_pool_replacements): New.
969         (sra_modify_assign): Avoid mangling assignments created by previous,
970         and don't generate writes into constant pool.
971         (sra_modify_function_body): Call initialize_constant_pool_replacements.
972
973 2016-01-18  Ilya Enkovich  <enkovich.gnu@gmail.com>
974
975         * config/i386/i386.c (scalar_to_vector_candidate_p): Support
976         andnot instruction.
977         (scalar_chain::convert_op): Likewise.
978         * config/i386/i386.md (*andndi3_doubleword): New.
979
980 2016-01-18  Richard Biener  <rguenther@suse.de>
981
982         PR tree-optimization/69170
983         * tree-vect-slp.c (vect_build_slp_tree): Verify we are not
984         building a vector from scalar results of a pattern stmt.
985
986 2016-01-18  Jakub Jelinek  <jakub@redhat.com>
987
988         * haifa-sched.c (autopref_multipass_init): Work around
989         -Wmaybe-uninitialized warning.
990
991 2016-01-18  Thomas Preud'homme  <thomas.preudhomme@arm.com>
992
993         * config/arm/arm.c (thumb1_reorg): Check that the comparison is
994         against the constant 0.
995
996 2016-01-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
997
998         PR tree-optimization/68799
999         * gimple-ssa-strength-reduction.c (create_phi_basis): Directly
1000         look up phi candidates in the statement-candidate map.
1001         (phi_add_costs): Likewise.
1002         (record_phi_increments): Likewise.
1003         (phi_incr_cost): Likewise.
1004         (ncd_with_phi): Likewise.
1005         (all_phi_incrs_profitable): Likewise.
1006
1007 2016-01-17  Jakub Jelinek  <jakub@redhat.com>
1008
1009         * omp-low.c (mark_loops_in_oacc_kernels_region): Work around
1010         -Wmaybe-uninitialized warning.
1011
1012 2016-01-16  Sandra Loosemore  <sandra@codesourcery.com>
1013
1014         * doc/invoke.texi (Invoking GCC): Add new section to menu.
1015         (Option Summary): Update to reflect new section and moved options.
1016         (C++ Dialect Options): Move -fvtable-verify and related options.
1017         (Debugging Options): Move Sanitizer, Pointer Bounds Checker,
1018         and profiling-related options.
1019         (Optimization Options): Move profile generation options and
1020         -fstack-protector and related options.
1021         (Instrumentation Options): New section incorporating moved options.
1022         (Code Generation Options): Move -finstrument-functions and
1023         related options, -fstack-check, -fstack-limit*, and -fbounds-check.
1024
1025 2016-01-16  Tom de Vries  <tom@codesourcery.com>
1026
1027         * passes.def: Move pass_expand_omp_ssa out of pass_parallelize_loops.
1028
1029 2016-01-16  Tom de Vries  <tom@codesourcery.com>
1030
1031         * omp-low.c (expand_omp_atomic_fetch_op):  Release defs of update stmt.
1032
1033 2016-01-16  Richard Sandiford  <richard.sandiford@arm.com>
1034
1035         * hash-table.h (hash_table::empty): Turn into an inline wrapper
1036         that checks whether the table is already empty.  Rename the
1037         original implementation to...
1038         (hash_table::empty_slot): ...this new private function.
1039
1040 2016-01-15  David Malcolm  <dmalcolm@redhat.com>
1041
1042         PR diagnostic/68899
1043         * diagnostic-show-locus.c (layout::print_source_line): Move x
1044         offset of line until after call to
1045         get_line_width_without_trailing_whitespace.
1046
1047 2016-01-15  Jeff Law  <law@redhat.com>
1048
1049         PR tree-optimization/69270
1050         * tree-ssanames.c (ssa_name_has_boolean_range): Moved here from
1051         tree-ssa-dom.c.  Improve test for [0..1] ranve from VRP.
1052         * tree-ssa-dom.c (ssa_name_has_boolean_range): Remove.
1053         * tree-ssanames.h (ssa_name_has_boolean_range): Prototype.
1054         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
1055         ssa_name_has_boolean_range and constant_boolean_node.
1056
1057 2016-01-15  Vladimir Makarov  <vmakarov@redhat.com>
1058
1059         PR rtl-optimization/69030
1060         * lra-spills.c (remove_pseudos): Check nrefs and make the function
1061         returning bool.
1062         (spill_pseudos): Delete debug insn for dead pseudo.
1063         (lra_spill): Initiate spill_hard_reg and slots memory separately.
1064
1065 2016-01-15  Jiong Wang  <jiong.wang@arm.com>
1066
1067         * config/aarch64/aarch64-builtins.c (aarch64_types_unopus_qualifiers):
1068         New.
1069         (TYPES_UNOPUS): Likewise.
1070         * config/aarch64/aarch64-simd-builtins.def (lbtruncuv2sf): Correct
1071         builtin type, from UNOP to UNOPUS.
1072         (lbtruncuv4sf): Likewise.
1073         (lbtruncuv2df): Likewise.
1074         (lrounduv2sf): Likewise.
1075         (lrounduv4sf): Likewise.
1076         (lrounduv2df): Likewise.
1077         (lroundusf): Likewise.
1078         (lroundusf): Likewise.
1079         (lceiluv2sf): Likewise.
1080         (lceiluv4sf): Likewise.
1081         (lceiluv2df): Likewise.
1082         (lceilusf): Likewise.
1083         (lceiludf): Likewise.
1084         (lflooruv2sf): Likewise.
1085         (lflooruv4sf): Likewise.
1086         (lflooruv2df): Likewise.
1087         (lfloorusf): Likewise.
1088         (lfloorudf): Likewise.
1089         (lfrintnuv2sf): Likewise.
1090         (lfrintnuv4sf): Likewise.
1091         (lfrintnuv2df): Likewise.
1092         (lfrintnusf): Likewise.
1093         (lfrintnudf): Likewise.
1094         * config/aarch64/arm_neon.h (vcvt_u32_f32): Remove unncessary type
1095         conversion.
1096         (vcvtq_u32_f32): Likewise.
1097         (vcvtq_u64_f64): Likewise.
1098         (vcvta_u32_f32): Likewise.
1099         (vcvtaq_u32_f32): Likewise.
1100         (vcvtaq_u64_f64): Likewise.
1101         (vcvtm_u32_f32): Likewise.
1102         (vcvtmq_u32_f32): Likewise.
1103         (vcvtmq_u64_f64): Likewise.
1104         (vcvtn_u32_f32): Likwise.
1105         (vcvtnq_u32_f32): Likewise.
1106         (vcvtnq_u64_f64): Likewise.
1107         (vcvtp_u32_f32): Likewise.
1108         (vcvtpq_u32_f32): Likewise.
1109         (vcvtpq_u64_f64): Likewise.
1110         (vcvtmd_u64_f64): Likewise.
1111         (vcvtms_u32_f32): Likewise.
1112         (vcvtad_u64_f64): Likewise.
1113         (vcvtas_u32_f32): Likewise.
1114         (vcvtnd_u64_f64): Likewise.
1115         (vcvtns_u32_f32): Likewise.
1116         (vcvtpd_u64_f64): Likewise.
1117         (vcvtps_u32_f32): Likewise.
1118
1119 2016-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1120
1121         * config/aarch64/aarch64.c (aarch64_if_then_else_costs): Handle
1122         CSEL of zero_extended registers.
1123
1124 2016-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1125
1126         * config/aarch64/aarch64.c (aarch64_rtx_costs, COMPARE case):
1127         Handle COMPARE of ZERO_EXTRACT against zero form of TST-immediate.
1128
1129 2016-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1130
1131         * config/aarch64/aarch64.c (aarch64_process_one_target_attr): Return
1132         false when argument string is not found in the attributes table
1133         at all.
1134
1135 2016-01-15  David Edelsohn  <dje.gcc@gmail.com>
1136
1137         PR target/68609
1138         * config/rs6000/rs6000.c (rs6000_emit_msub): Delete.
1139         (rs6000_emit_swsqrt): Convert to Goldschmidt's Algorithm
1140         * config/rs6000/rs6000.md (sqrt<mode>2): Limit swsqrt to high
1141         precision estimate.
1142
1143 2016-01-15  Richard Biener  <rguenther@suse.de>
1144
1145         PR tree-optimization/66856
1146         * tree-vect-loop.c (vect_transform_loop): Free SLP instances here.
1147         * tree-vect-slp.c (vect_free_slp_tree): Decrement stmt reference count.
1148         (vect_create_new_slp_node): Increment stmt reference count.
1149         (vect_get_and_check_slp_defs): Make sure stmts are nor already in
1150         an SLP tree before swapping operands.
1151         (vect_build_slp_tree): Likewise.
1152         (destroy_bb_vec_info): Free stmt info after SLP instances.
1153         * tree-vect-stmts.c (new_stmt_vec_info): Initialize reference count.
1154         * tree-vectorizer.h (struct _stmt_vec_info): Add num_slp_uses field.
1155         (STMT_VINFO_NUM_SLP_USES): New macro.
1156
1157 2016-01-15  Richard Biener  <rguenther@suse.de>
1158
1159         PR debug/69137
1160         * dwarf2out.c (add_linkage_name_raw): New function split out from ...
1161         (add_linkage_name): ... here.
1162         (gen_typedef_die): Use add_linkage_name_raw instead of
1163         add_linkage_attr to delay DECL_ASSEMBLER_NAME computation
1164         if necessary.
1165
1166 2016-01-15  Cesar Philippidis  <cesar@codesourcery.com>
1167
1168         * gimplify.c (oacc_default_clause): Decode reference and pointer
1169         types for both kernels and parallel regions.
1170
1171 2016-01-15  Richard Sandiford  <richard.sandiford@arm.com>
1172
1173         PR middle-end/69246
1174         * calls.c (emit_call_1): Force n_popped to zero for sibcalls.
1175
1176 2016-01-15  Ilya Enkovich  <enkovich.gnu@gmail.com>
1177
1178         * config/i386/i386.c (scalar_chain::compute_convert_gain): Fix typo.
1179         (convert_scalars_to_vector): Likewise.
1180
1181 2016-01-15  Jonathan Wakely  <jwakely@redhat.com>
1182
1183         * doc/extend.texi (Type Traits): Fix grammar.
1184
1185 2016-01-15  Martin Jambor  <mjambor@suse.cz>
1186
1187         * tree-inline.c (remap_decl): Use existing dclarations if
1188         remapping a type and prevent_decl_creation_for_types.
1189         (replace_locals_stmt): Do an initial remapping of non-VLA typed
1190         decls first.  Do real remapping with
1191         prevent_decl_creation_for_types set.
1192         * tree-inline.h (copy_body_data): New field
1193         prevent_decl_creation_for_types, moved remap_var_for_cilk to avoid
1194         padding.
1195
1196 2016-01-15  Dominik Vogt  <vogt@linux.vnet.ibm.com>
1197
1198         * config/s390/s390.opt (mmvcle): More verbose help text.
1199
1200 2016-01-15  Dominik Vogt  <vogt@linux.vnet.ibm.com>
1201
1202         * config/s390/s390.opt: Add period to -mzvector option text.
1203
1204 2016-01-15  Richard Biener  <rguenther@suse.de>
1205
1206         PR tree-optimization/68961
1207         * tree-vect-slp.c (vect_analyze_slp_cost_1): Consider cost
1208         of invariants in stores again.
1209
1210 2016-01-15  Sebastian Huber  <sebastian.huber@embedded-brains.de>
1211
1212         * config/arm/t-rtems: Add cortex-m7/fpv5-d16 multilib.
1213
1214 2016-01-15  Ilya Enkovich  <enkovich.gnu@gmail.com>
1215
1216         * config/i386/i386.c (ix86_expand_branch): Don't split
1217         DI mode xor instruction to SI mode.
1218
1219 2016-01-15  Jan Hubicka  <hubicka@ucw.cz>
1220
1221         PR ipa/68148
1222         * ipa-icf.c (sem_function::merge): Virtual functions may become
1223         reachable even if they address is not taken and there are no
1224         idrect calls.
1225
1226 2016-01-15  Jan Hubicka  <hubicka@ucw.cz>
1227
1228         * lto-streamer-out.c (subtract_estimated_size): New function.
1229         (get_symbol_initial_value): Use it.
1230
1231 2016-01-15  Christian Bruel  <christian.bruel@st.com>
1232
1233         PR target/65837
1234         * config/arm/arm-builtins.c (ARM_BUILTIN_CRYPTO_BASE): New enum tag.
1235         (arm_init_neon_builtins_internal): Rename arm_init_neon_builtins,
1236         (arm_init_crypto_builtins_internal): Rename arm_init_crypto_builtins.
1237         use add_builtin_function_ext_scope instead of add_builtin_function.
1238         (neon_set_p, neon_crypto_set_p): Remove.
1239         (arm_init_builtins): Always call arm_init_neon_builtins and
1240         arm_init_crypto_builtins.
1241         (arm_expand_builtin): Check that builtins are allowed for the arch.
1242         * config/arm/arm-protos.h (arm_init_neon_builtins): Remove prototype.
1243         * config/arm/arm.c (arm_valid_target_attribute_tree): Remove
1244         arm_init_neon_builtins call.
1245
1246 2016-01-15  Richard Biener  <rguenther@suse.de>
1247
1248         PR tree-optimization/69117
1249         * tree-ssa-sccvn.h (struct vn_ssa_aux): Add info member.
1250         * tree-ssa-sccvn.c (set_ssa_val_to): Save and adjust SSA name info
1251         of the leader conservatively.
1252         (free_scc_vn): Restore original SSA name infos.
1253
1254 2016-01-14  Jeff Law  <law@redhat.com>
1255
1256         PR tree-optimization/69270
1257         * tree-ssa-dom.c (ssa_name_has_boolean_range): If the type has a
1258         single bit of precision, verify it's also unsigned.
1259         (record_edge_info): Use constant_boolean_node rather than fold_convert
1260         to convert boolean_true/boolean_false to the right type.
1261
1262 2016-01-14  Richard Henderson  <rth@redhat.com>
1263
1264         PR rtl-opt/69014
1265         * loop-doloop.c (record_reg_sets): New.
1266         (doloop_optimize): Reject the transform if the sequence
1267         clobbers registers live at the end of the loop block.
1268         (doloop_optimize_loops): Enable df_live if needed. 
1269
1270 2016-01-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
1271
1272         * config/rs6000/rs6000-builtin.def: Revert 2016-01-13 change.
1273         * gcc/config/rs6000/rs6000.c: Likewise.
1274         * gcc/config/rs6000/rs6000.h: Likewise.
1275         * gcc/config/rs6000/rs6000.md: Likewise.
1276         * gcc/doc/extend.texi: Likewsie.
1277
1278 2016-01-14  Jeff Law  <law@redhat.com>
1279
1280         * tree-ssa-dom.c (ssa_name_has_boolean_range): Fix comment
1281         typo.
1282
1283 2016-01-14  Richard Henderson  <rth@redhat.com>
1284
1285         PR c/69272
1286         PR tree-opt/68964
1287         * trans-mem.c (tm_log_emit_stmt): Fix unit size to bit size.
1288         * tree.c (build_tm_vector_builtins): Use builtin_decl_explicit_p
1289         instead of builtin_decl_declared_p to test for declaration.
1290
1291 2016-01-14  Nicklas Bo Jensen  <nbjensen@gmail.com>
1292
1293         * doc/loop.texi (Loop Analysis and Representation): Document
1294         loop_depth function.
1295
1296 2016-01-14  Tom de Vries  <tom@codesourcery.com>
1297
1298         PR tree-optimization/68773
1299         * omp-low.c (expand_omp_target): Don't set force_output.
1300         * varpool.c (varpool_node::get_create): Same.
1301         * lto-cgraph.c (input_offload_tables): Mark entries in offload_vars and
1302         offload_funcs with force_output.
1303
1304 2016-01-14  Jakub Jelinek  <jakub@redhat.com>
1305
1306         PR debug/69244
1307         * lra-eliminations.c (move_plus_up): Don't change anything if either
1308         the outer or inner subreg mode is not MODE_INT.
1309         * dwarf2out.c (mem_loc_descriptor): For SUBREG, if outer mode is
1310         integral <= DWARF2_ADDR_SIZE, convert to untyped afterwards.
1311
1312 2016-01-14  Alan Lawrence  <alan.lawrence@arm.com>
1313
1314         * doc/md.texi (reduc_smin_@var{m}, reduc_smax_@var{m},
1315         reduc_umin_@var{m}, reduc_umax_@var{m}, reduc_splus_@var{m},
1316         reduc_uplus_@var{m}): Remove.
1317         * expr.c (expand_expr_real_2): Remove expansion path for
1318         reduc_[us](min|max|plus) optabs.
1319         * optabs-tree.c (scalar_reduc_to_vector): Remove.
1320         * optabs-tree.h (scalar_reduc_to_vector): Remove.
1321         * optabs.def (reduc_smax_optab, reduc_smin_optab, reduc_splus_optab,
1322         reduc_umax_optab, reduc_umin_optab, reduc_uplus_optab): Remove.
1323         * tree-vect-loop.c (vectorizable_reduction): Remove test for
1324         reduc_[us](min|max|plus) optabs.
1325
1326 2016-01-14  Alan Lawrence  <alan.lawrence@arm.com>
1327
1328         * config/mips/mips-ps-3d.md (reduc_splus_v2sf): Remove.
1329         (reduc_plus_scal_v2sf): New.
1330         (reduc_smax_v2sf): Rename to...
1331         (reduc_smax_scal_v2sf): ...here, make result SFmode, add vec_extract.
1332         (reduc_smin_v2sf): Rename to...
1333         (reduc_smin_scal_v2sf): ...here, make result SFmode, add vec_extract.
1334
1335 2016-01-14  Jan Hubicka  <hubicka@ucw.cz>
1336
1337         * alias.c (compare_base_symbol_refs): New function.
1338         (rtx_equal_for_memref_p, base_alias_check, memrefs_conflict_p): Use
1339         it.
1340
1341 2016-01-14  Jakub Jelinek  <jakub@redhat.com>
1342
1343         PR middle-end/68146
1344         PR tree-optimization/69155
1345         * tree-complex.c: Include cfganal.h.
1346         (phis_to_revisit): New variable.
1347         (extract_component): Add phiarg_p argument.  Assert that returned
1348         SSA_NAME has non-NULL SSA_NAME_DEF_STMT unless phiarg_p is true.
1349         (update_phi_components): Partly rewrite to use loop over real/imag
1350         components instead of code duplication.  If extract_component returns
1351         SSA_NAME with NULL SSA_NAME_DEF_STMT, store SSA_NAME_VAR or
1352         create_tmp_reg into the PHI node instead, and mention the phi triplet
1353         in phis_to_revisit.
1354         (tree_lower_complex): Walk bbs in rpo order.  Adjust phis recorded
1355         in phis_to_revisit at the end.
1356
1357 2016-01-14  Richard Biener  <rguenther@suse.de>
1358
1359         PR tree-optimization/68060
1360         * tree-vect-loop.c (vect_is_simple_reduction): Check the
1361         outer loop reduction is only used in the inner loop before
1362         detecting a double reduction.
1363
1364 2016-01-14  Jakub Jelinek  <jakub@redhat.com>
1365
1366         PR target/68269
1367         * combine.c (expand_field_assignment): Punt if compute_mode is
1368         unsupported scalar mode.
1369
1370 2016-01-14  Richard Biener  <rguenther@suse.de>
1371
1372         PR tree-optimization/66856
1373         * tree-vect-slp.c (vect_build_slp_tree): Refactor to build
1374         SLP node only if it built successfully.
1375         (vect_analyze_slp_instance): Adjust.
1376
1377 2016-01-14  Jeff Law  <law@redhat.com>
1378
1379         PR tree-optimization/69270
1380         * tree-ssa-dom.c (ssa_name_has_boolean_range): New function.
1381         (record_edge_info): Use it.  Convert boolean_{true,false}_node
1382         to the type of op0.
1383
1384 2016-01-13  Jan Hubicka  <hubicka@ucw.cz>
1385
1386         PR ipa/66487
1387         * ipa-polymorphic-call.c (inlined_polymorphic_ctor_dtor_block_p):
1388         use block_ultimate_origin
1389         (noncall-stmt_may_be_vtbl_ptr_store): Likewise.
1390
1391 2016-01-13  Sandra Loosemore <sandra@codesourcery.com>
1392
1393         * doc/invoke.texi (Submodel Options): Rename section to
1394         "Machine-Dependent Options" to better reflect its content.
1395         Rewrite introductory text to remove archaic CPU names.
1396         Update references.
1397
1398 2016-01-13  Sandra Loosemore <sandra@codesourcery.com>
1399
1400         * doc/invoke.texi (Code Gen Options): Move section up in file,
1401         before target-specific options.  Update menu and option summary
1402         to reflect the new section ordering.
1403
1404 2016-01-13  Jonathan Wakely  <jwakely@redhat.com>
1405
1406         * doc/invoke.texi (C Dialect Options): Adjust -std default for C++.
1407         (C++ Dialect Options): Add cross-reference to -std option.
1408         * doc/standards.texi (C++ Language): Document C++14 support.
1409
1410 2016-01-13  Michael Meissner  <meissner@linux.vnet.ibm.com>
1411
1412         * config/rs6000/rs6000-builtin.def (BU_FLOAT128_2): Add support
1413         for pack/unpack functions for __ibm128.
1414         (PACK_IF): Likewise.
1415         (UNPACK_IF): Likewise.
1416
1417         * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Add
1418         support for __ibm128 pack/unpack functions.
1419         (rs6000_invalid_builtin): Likewise.
1420         (rs6000_init_builtins): Likewise.
1421         (rs6000_opt_masks): Likewise.
1422
1423         * config/rs6000/rs6000.h (MASK_FLOAT128): Add short name.
1424         (RS6000_BTM_FLOAT128): Add support for __ibm128 pack/unpack
1425         functions
1426         (RS6000_BTM_COMMON): Likewise.
1427
1428         * config/rs6000/rs6000.md (f128_vsx): New mode attribute.
1429         (unpack<mode>): Use FMOVE128_FPR iterator instead of FMOVE128, to
1430         disallow __builtin_{pack,unpack}_longdouble if long double is IEEE
1431         128-bit floating point.  Add support for the double values to be
1432         in Altivec registers for TF/IF packing and unpacking, but restrict
1433         TD packing sub-fields to be FPR registers.  Don't allow overlapped
1434         register support for packing.  Allow pack inputs to be memory
1435         locations.  Don't build generator functions for unpack<mode>_dm
1436         and unpack<mode>_nodm.
1437         (unpack<mode>_dm): Likewise.
1438         (unpack<mode>_nodm): Likewise.
1439         (pack<mode>): Likewise.
1440
1441         * config/rs6000/rs6000-builtin.def (__builtin_pack_ibm128): Add
1442         built-in functions to pack/unpack explicit __ibm128 values.
1443         (__builtin_unpack_ibm128): Likewise.
1444
1445         * doc/extend.texi (PowerPC Built-in Functions): Document
1446         __builtin_pack_ibm128 and __builtin_unpack_ibm128.
1447
1448 2016-01-13  Bernd Schmidt  <bschmidt@redhat.com>
1449
1450         PR c/66208
1451         * c-common.c (check_function_nonnull): Remove unnecessary declaration.
1452         Add new arg loc and pass it down as context.
1453         (check_nonnull_arg): Don't mark ctx arg as unused. Use it as a pointer
1454         to the location to use for the warning.
1455         (check_function_arguments): New arg loc.  All callers changed.  Pass
1456         it to check_function_nonnull.
1457         * c-common.h (check_function_arguments): Adjust declaration.
1458
1459 2016-01-13  Jakub Jelinek  <jakub@redhat.com>
1460
1461         PR tree-optimization/69156
1462         * gimple.c (validate_type): Removed.
1463         (gimple_builtin_call_types_compatible_p): Use
1464         useless_type_conversion_p instead of validate_type.
1465         * value-prof.c (gimple_stringop_fixed_value): Fold
1466         icall_size to correct type.
1467
1468 2016-01-13  Jonathan Wakely  <jwakely@redhat.com>
1469
1470         * doc/extend.texi (__atomic Builtins): Clarify compare_exchange
1471         effects.
1472
1473 2016-01-13  Richard Henderson  <rth@redhat.com>
1474
1475         PR tree-opt/68964
1476         * target.def (builtin_tm_load, builtin_tm_store): Remove.
1477         * config/i386/i386.c (ix86_builtin_tm_load): Remove.
1478         (ix86_builtin_tm_store): Remove.
1479         (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
1480         (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
1481         * doc/tm.texi.in (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
1482         (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
1483         * doc/tm.texi: Rebuild.
1484
1485         * gtm-builtins.def (BUILT_IN_TM_MEMCPY_RNWT): New.
1486         (BUILT_IN_TM_MEMCPY_RTWN): New.
1487         * trans-mem.c (tm_log_emit_stmt): Rearrange code for better
1488         fallback from vector to integer helpers.
1489         (build_tm_load): Handle vector types directly, instead of
1490         via target hook.
1491         (build_tm_store): Likewise.
1492         (expand_assign_tm): Prepare for register types not handled by
1493         the above.  Copy them to memory and use memcpy.
1494         * tree.c (tm_define_builtin): New.
1495         (find_tm_vector_type): New.
1496         (build_tm_vector_builtins): New.
1497         (build_common_builtin_nodes): Call it.
1498
1499 2016-01-13  Uros Bizjak  <ubizjak@gmail.com>
1500
1501         * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Return -1 for
1502         TARGET_SSE_MATH without TARGET_SSE2.  Rewrite.
1503
1504 2016-01-13  Tom de Vries  <tom@codesourcery.com>
1505
1506         PR tree-optimization/69169
1507         * tree-ssa-structalias.c (create_variable_info_for_1): Add and handle
1508         handled_struct_type param.
1509         (create_variable_info_for, intra_create_variable_infos): Call
1510         create_variable_info_for_1 with extra arg.
1511
1512 2016-01-13  Yvan Roux  <yvan.roux@linaro.org>
1513
1514         * config/arm/arm-arches.def: Remove spurious whitespace in "armv8.1-a"
1515         and "armv8.1-a+crc" entries.
1516
1517 2016-01-13  Alexander Fomin  <alexander.fomin@intel.com>
1518
1519         PR target/69228
1520         * config/i386/sse.md (define_expand "avx512pf_gatherpf<mode>sf"):
1521         Change first operand predicate from register_or_constm1_operand
1522         to register_operand.
1523         (define_expand "avx512pf_gatherpf<mode>df"): Likewise.
1524         (define_expand "avx512pf_scatterpf<mode>sf"): Likewise.
1525         (define_expand "avx512pf_scatterpf<mode>df"): Likewise.
1526         (define_insn "*avx512pf_gatherpf<mode>sf"): Remove.
1527         (define_insn "*avx512pf_gatherpf<mode>df"): Likewise.
1528         (define_insn "*avx512pf_scatterpf<mode>sf"): Likewise.
1529         (define_insn "*avx512pf_scatterpf<mode>df"): Likewise.
1530         * config/i386/i386.c (ix86_expand_builtin): Remove first operand
1531         comparison with constm1_rtx from vec_prefetch_gen part.
1532
1533 2016-01-13  Richard Biener  <rguenther@suse.de>
1534
1535         PR tree-optimization/69013
1536         * tree-ssa-uninit.c (prune_uninit_phi_opnds_in_unrealizable_paths):
1537         Exchange assert for a test.
1538
1539 2016-01-13  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
1540
1541         PR target/69247
1542         * config/s390/s390.md (bswaphi splitter): Use simplify_gen_subreg.
1543
1544 2016-01-13  Richard Biener  <rguenther@suse.de>
1545
1546         PR tree-optimization/69242
1547         * tree-ssa-sccvn.c (visit_reference_op_load): Replace bogus
1548         assert with a check.
1549
1550 2016-01-13  Richard Biener  <rguenther@suse.de>
1551
1552         PR tree-optimization/69186
1553         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
1554         Properly guard vect_update_misalignment_for_peel call.
1555
1556 2016-01-12  Jeff Law  <law@redhat.com>
1557
1558         PR tree-optimization/pr67755
1559         * tree-ssa-threadupdate.c (struct ssa_local_info_t): Add new field
1560         "need_profile_correction".
1561         (thread_block_1): Initialize new field to false by default.  If we
1562         have multiple thread paths through a common joiner to different
1563         final targets, then set new field to true.
1564         (compute_path_counts): Only do count adjustment when it's really
1565         needed.
1566
1567 2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>
1568
1569         * doc/invoke.texi (Spec Files): Move section down in file, past
1570         all command-line option descriptions.
1571
1572 2016-01-12  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
1573
1574         PR middle-end/54809
1575         * doc/gty.texi: Remove documentation of mark_hook.
1576         * gengtype.c (struct write_types_data): Remove code to support
1577         mark_hook attribute.
1578         (walk_type): Likewise.
1579         (write_func_for_structure): Likewise.
1580
1581 2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>
1582
1583         * doc/invoke.texi (Option Summary) Move -no-canonical-prefixes to
1584         Directory Options, and -specs= to Overall Options.
1585         (Overall Options): Adjust similarly.  Reorder to group related
1586         options together.  Make -specs= cross-reference the spec file details.
1587         (Directory Options): Adjust similarly.
1588
1589 2016-01-12  Jeff Law  <law@redhat.com>
1590
1591         * tree-ssa-threadupdate.c: Various whitespace and typo fixes.
1592
1593 2016-01-12  Olivier Hainque  <hainque@adacore.com>
1594
1595         * gcc.c (spec_undefvar_allowed): New global.
1596         (process_command): Set to true when running for --version or --help,
1597         alone or together.
1598         (getenv_spec_function): When the variable is not defined, use the
1599         variable name as the variable value if we're allowed not to issue
1600         a fatal error.
1601
1602 2016-01-12  Bin Cheng  <bin.cheng@arm.com>
1603
1604         PR tree-optimization/68911
1605         * tree-vrp.c (adjust_range_with_scev): Check overflow in range
1606         information computed for expression "init + nit * step".
1607
1608 2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>
1609
1610         * doc/invoke.texi (Invoking GCC): Copy-edit.  Incorporate information
1611         about name of GCC executable.  Remove deleted node from menu.
1612         (Directory Options) <-B>: Remove cross-reference to deleted node.
1613         (Target Options): Delete section.
1614
1615 2016-01-12  Christian Bruel  <christian.bruel@st.com>
1616
1617         PR target/69180
1618         * config/arm/arm-c.c (arm_pragma_target_parse): Set NODE_CONDITIONAL
1619         for __ARM_NEON_FP, __ARM_FP, _ARM_FEATURE_LDREX.
1620
1621 2016-01-12  Jakub Jelinek  <jakub@redhat.com>
1622
1623         PR target/69198
1624         * config/i386/i386.c (ix86_expand_special_args_builtin): Ensure
1625         aligned_mem is properly set for AVX512-VL floating point masked
1626         stores.
1627
1628         PR target/69175
1629         * ifcvt.c (cond_exec_process_if_block): When removing the last
1630         insn from then_bb, remove also any possible barriers that follow it.
1631
1632 2016-01-12  H.J. Lu  <hongjiu.lu@intel.com>
1633
1634         PR target/68456
1635         PR target/69226
1636         * config/i386/iamcu.h (SIZE_TYPE): New macro.
1637         (PTRDIFF_TYPE): Likewise.
1638         (WCHAR_TYPE): Likewise.
1639         (WCHAR_TYPE_SIZE): Likewise.
1640         (STDINT_LONG32): Likewise.
1641
1642 2016-01-12  Richard Biener  <rguenther@suse.de>
1643
1644         PR tree-optimization/69053
1645         * tree-vect-loop.c (get_initial_def_for_reduction): Properly
1646         convert initial value for cond reductions.
1647
1648 2016-01-12  Richard Biener  <rguenther@suse.de>
1649
1650         PR tree-optimization/69007
1651         * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Move
1652         widen_sum after dot_prod and sad.
1653
1654 2016-01-12  Richard Biener  <rguenther@suse.de>
1655
1656         PR tree-optimization/69168
1657         * tree-vect-loop.c (vect_analyze_loop_2): Reset both main and
1658         pattern stmt SLP type.
1659         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Patterns may
1660         end up unused so cope with that case.
1661
1662 2016-01-12  Richard Biener  <rguenther@suse.de>
1663
1664         PR tree-optimization/69157
1665         * tree-vect-stmts.c (vectorizable_mask_load_store): Check
1666         stmts def type only during analyze phase.
1667         (vectorizable_call): Likewise.
1668         (vectorizable_simd_clone_call): Likewise.
1669         (vectorizable_conversion): Likewise.
1670         (vectorizable_assignment): Likewise.
1671         (vectorizable_shift): Likewise.
1672         (vectorizable_operation): Likewise.
1673         (vectorizable_store): Likewise.
1674         (vectorizable_load): Likewise.
1675
1676 2016-01-12  Richard Biener  <rguenther@suse.de>
1677
1678         PR tree-optimization/69174
1679         * tree-vect-stmts.c (vect_mark_relevant): Remove excessive vertical
1680         space.
1681         (vectorizable_load): Properly compute the number of loads needed
1682         for permuted strided SLP loads and do not spuriously assign
1683         to SLP_TREE_VEC_STMTS.
1684
1685 2016-01-12  Andris Pavenis  <andris.pavenis@iki.fi>
1686
1687         * config/i386/djgpp.h (PREFERRED_DEBUGGING_TYPE): Define to DWARF2
1688         (TARGET_ASM_OUTPUT_IDENT): Define to default_asm_output_ident_directive
1689         (MD_EXEC_PREFIX): Remove.
1690         (MD_STARTFILE_PREFIX) Removee.
1691         (FILE_NAME_ABSOLUTE_P): Remove.
1692         (CPP_SPEC): Do not read macros from sys/version.h.
1693         (LINK_COMMAND_SPEC): Remove.
1694         (LOCAL_INCLUDE_DIR): Remove.
1695         (TARGET_ASM_NAMED_SECTION): Define to i386_djgpp_asm_named_section
1696         (TARGET_OS_CPP_BUILTINS): Add DJGPP (non ISO only), __DJGPP, __DJGPP__, unix.
1697         (POST_LINK_SPEC): Define to invoke stubify after linker
1698         (LIBSTDCXX): Remove define
1699         (DBX_REGISTER_NUMBER): Define to svr4_dbx_register_map.
1700         (DEFAULT_PCC_STRUCT_RETURN): Define to 1.
1701         (SUBTARGET_OVERRIDE_OPTIONS): Remove warning about -mbnu2210.
1702         (SUBTARGET_OVERRIDE_OPTIONS): Ignore -fPIC and generate message.
1703         (SUBTARGET_OVERRIDE_OPTIONS): Default to DWARF2 debugging info.
1704         (IX86_MAYBE_NO_LIBGCC_TFMODE): Remove.
1705         (i386_djgpp_asm_named_section): Add propotype of new procedure
1706
1707         * config/i386/xm-djgpp.h (NATIVE_SYSTEM_HEADER_DIR): Define.
1708         (MD_EXEC_PREFIX): Define (moved from config/i386/djgpp.h).
1709         (STANDARD_STARTFILE_PREFIX_1): Define (moved from MD_STARTFILE_PREFIX in config/i386/djgpp.h).
1710         (STANDARD_STARTFILE_PREFIX_2): Define identical to STANDARD_STARTFILE_PREFIX_1.
1711         (LOCAL_INCLUDE_DIR): Define (moved from config/i386/djgpp.h).
1712         (GCC_DRIVER_HOST_INITIALIZATION): Fix reporting fatal installation errors.
1713         (MAX_OFILE_ALIGNMENT): Define to 128.
1714         (HAVE_FTW_H): Undefine as DJGPP do not have nftw, but have ftw.h.
1715
1716         * config/i386/djgpp.c: New file. Add implementation of i386_djgpp_asm_named_section.
1717
1718         * config/i386/djgpp.opt: Remove obsolete option -mbnu210.
1719
1720         * config/i386/t-djgpp: New file. Add djgpp.o to EXTRA_OBJS.
1721         Add rule for building djgpp.o.
1722
1723 2016-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1724
1725         * config/rs6000/rs6000.c (v2df_reduction_p): New function.
1726         (rtx_is_swappable_p): Reductions are swappable.
1727         (insn_is_swappable_p): V2DF reductions are swappable.
1728
1729 2016-01-11  John David Anglin  <danglin@gcc.gnu.org>
1730
1731         * config/pa/pa.c (pa_emit_move_sequence): Handle floating point
1732         reloads for other unsupported memory operands.
1733
1734 2016-01-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
1735             Jim Wilson  <jim.wilson@linaro.org>
1736
1737         PR target/69194
1738         * config/arm/arm-builtins.c (arm_expand_neon_args): Call
1739         copy_to_mode_reg instead of force_reg.
1740
1741 2016-01-11  H.J. Lu  <hongjiu.lu@intel.com>
1742
1743         PR target/69225
1744         * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Set to 2 only if
1745         TARGET_80387 is true.
1746
1747 2016-01-11  Jakub Jelinek  <jakub@redhat.com>
1748
1749         PR target/69071
1750         * lra-eliminations.c (move_plus_up): Only move plus up
1751         if subreg of the constant can be simplified into constant
1752         and use the simplified subreg of the constant instead of
1753         the original constant.
1754
1755         * fold-const.c (fold_convertible_p): Don't return true
1756         for conversion of VECTOR_TYPE to same sized integral type.
1757         (fold_convert_loc): Fix up formatting.  Fold conversion of
1758         VECTOR_TYPE to same sized integral type using VIEW_CONVERT_EXPR
1759         instead of NOP_EXPR.
1760
1761         PR tree-optimization/69214
1762         * tree-vrp.c (simplify_cond_using_ranges): Don't propagate
1763         innerop into a comparison if SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
1764         Formatting fix.
1765
1766         PR tree-optimization/69207
1767         * tree-vect-slp.c (vect_get_constant_vectors): For
1768         VECTOR_BOOLEAN_TYPE_P, assert op has integral type instead of
1769         fold_convertible_p to vector_type's element type, and always
1770         use VCE for non-VECTOR_BOOLEAN_TYPE_P.
1771
1772 2016-01-11  Richard Biener  <rguenther@suse.de>
1773
1774         PR tree-optimization/69173
1775         * tree-vect-loop.c (vect_fixup_scalar_cycles_with_patterns): Only
1776         fixup the cycle if all stmts are in a pattern.
1777
1778 2016-01-11  Uros Bizjak  <ubizjak@gmail.com>
1779
1780         PR middle-end/68999
1781         * alias.c (base_alias_check): Move check for addresses with
1782         alignment ANDs before the call for compare_base_decls.
1783         (memrefs_conflict_p): Return -1 for different decls
1784         that went through alignment adjustments.
1785
1786 2016-01-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1787
1788         PR rtl-optimization/68796
1789         * config/aarch64/aarch64.md (*and<mode>_compare0): New pattern.
1790         * config/aarch64/aarch64.c (aarch64_select_cc_mode): Handle HImode
1791         and QImode comparisons against zero with CC_NZmode.
1792         * config/aarch64/iterators.md (short_mask): New mode_attr.
1793
1794 2016-01-11  H.J. Lu  <hongjiu.lu@intel.com>
1795
1796         * config/i386/sse.md (<avx512>_load<mode>_mask): Remove snprintf.
1797         (<avx512>_store<mode>_mask): Likewise.
1798
1799 2016-01-11  Bernd Schmidt  <bschmidt@redhat.com>
1800             Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1801
1802         PR rtl-optimization/68841
1803         * ifcvt.c (struct noce_if_info): Add orig_x field.
1804         (bbs_ok_for_cmove_arith): Add to_rename parameter.
1805         Don't record conflicts on to_rename if it's present.
1806         Allow memory destinations in sets.
1807         (noce_try_cmove_arith): Call bbs_ok_for_cmove_arith even on simple
1808         blocks, passing orig_x to the checks.
1809         (noce_process_if_block): Set if_info->orig_x appropriately.
1810
1811 2016-01-11  Tom de Vries  <tom@codesourcery.com>
1812
1813         PR tree-optimization/69069
1814         * tree-parloops.c (create_parallel_loop): Add missing phi args.
1815
1816 2016-01-11  Yuri Rumyantsev  <ysrumyan@gmail.com>
1817
1818         PR rtl-optimization/68920
1819         * config/i386/i386.c (ix86_option_override_internal): Restrict number
1820         of conditional moves for  RTL if-conversion to 1 for
1821         TARGET_ONE_IF_CONV_INSN.
1822         * config/i386/i386.h (TARGET_ONE_IF_CONV_INSN): New macros.
1823         * config/i386/x86-tune.def (X86_TUNE_ONE_IF_CONV_INSN): New macros.
1824         * params.def (PARAM_MAX_RTL_IF_CONVERSION_INSNS) : Introduce new
1825         parameter to restirct number of conditional moves for
1826         RTL if-conversion.
1827         * doc/invoke.texi (max-rtl-if-conversion-insns): Document it.
1828         * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Limit number of
1829         conditionl moves.
1830
1831 2016-01-11  Alexandre Oliva  <aoliva@redhat.com>
1832
1833         PR bootstrap/69123
1834         * var-tracking.c (drop_overlapping_mem_locs): Operate on all
1835         onepart vars.  Fix typo in comment.  Fix reversed condition in
1836         unshare test.
1837         (dataflow_set_remove_mem_locs): Operate on all onepart vars.
1838
1839         PR bootstrap/69123
1840         * var-tracking.c (dump_onepart_variable_differences): New.
1841         (dataflow_set_different): If a detailed dump is requested,
1842         delay early returns and dump differences between onepart
1843         variables present before and after, and added variables.
1844
1845 2016-01-11  Ilya Enkovich  <enkovich.gnu@gmail.com>
1846
1847         PR target/69010
1848         * expr.c (expand_expr_real_1): For boolean vector constants
1849         with a scalar mode use const_scalar_mask_from_tree.
1850         (const_scalar_mask_from_tree): New.
1851         * optabs.c (expand_vec_cond_mask_expr): Use mask mode
1852         assigned to a mask type to handle constants.
1853
1854 2016-01-11  Martin Jambor  <mjambor@suse.cz>
1855
1856         PR ipa/69044
1857         * ipa-cp.c (estimate_local_effects): Do not clone for removal of
1858         useless parameters if we cannot change function signature.
1859
1860 2016-01-11  Martin Jambor  <mjambor@suse.cz>
1861
1862         PR ipa/66616
1863         * cgraphclones.c (duplicate_thunk_for_node): Copy can_change_signature
1864         flag.
1865
1866 2016-01-11  Tom de Vries  <tom@codesourcery.com>
1867
1868         PR tree-optimization/69109
1869         * tree-parloops.c (try_transform_to_exit_first_loop_alt): Don't allow
1870         latch with phi.
1871
1872 2016-01-11  Tom de Vries  <tom@codesourcery.com>
1873
1874         PR tree-optimization/69108
1875         * tree-parloops.c (gather_scalar_reductions): Handle case that outer phi
1876         res is not used in a phi.
1877
1878 2016-01-11  Yury Gribov  <y.gribov@samsung.com>
1879
1880         PR 67425
1881         * common.opt (frandom-seed): Fix parameter name.
1882         * doc/invoke.texi (frandom-seed): Ditto and describe parameter.
1883
1884 2016-01-11  Tom de Vries  <tom@codesourcery.com>
1885
1886         PR tree-optimization/69058
1887         * tree-parloops.c (pass_parallelize_loops::execute): Return 0 if libgomp
1888         not supported.
1889
1890 2016-01-11  Andrew Burgess  <andrew.burgess@embecosm.com>
1891
1892         * config/arc/arc.opt (mdiv-rem): Add period to the end.
1893         (mcode-density): Likewise.
1894
1895 2016-01-10  Tom de Vries  <tom@codesourcery.com>
1896
1897         PR tree-optimization/69062
1898         * tree-parloops.c (loop_has_phi_with_address_arg): New function.
1899         (parallelize_loops): Don't paralelize loop that has phi with address
1900         arg.
1901
1902 2016-01-10  Tom de Vries  <tom@codesourcery.com>
1903
1904         PR tree-optimization/69039
1905         * tree-parloops.c (try_create_reduction_list): Only allow single exit
1906         phi for reduction.
1907
1908 2016-01-09  John David Anglin  <danglin@gcc.gnu.org>
1909
1910         PR middle-end/68743
1911         * match.pd: Require target has function_c99_misc before doing
1912         truncl(extend(x)) and trunc(extend(x)) -> extend(truncf(x)), etc.
1913         
1914 2016-01-09  Gerald Pfeifer  <gerald@pfeifer.com>
1915
1916         * configure.ac (isl_options_set_schedule_serialize_sccs): Also 
1917         use GMPINC.
1918         * configure: Regenerate.
1919
1920 2016-01-09  Jakub Jelinek  <jakub@redhat.com>
1921
1922         PR middle-end/50865
1923         PR tree-optimization/69097
1924         * fold-const.h (expr_not_equal_to): New prototype.
1925         * fold-const.c: Include stringpool.h and tree-ssanames.h.
1926         (expr_not_equal_to): New function.
1927         * match.pd (X % -Y is the same as X % Y): Don't optimize
1928         unless X is known not to be equal to minimum or Y is known
1929         not to be equal to -1.
1930         * tree-vrp.c (simplify_div_or_mod_using_ranges): Add GSI argument.
1931         fold TRUNC_MOD_EXPR if the second argument is not a power of two.
1932         (simplify_stmt_using_ranges): Adjust caller.
1933         (vrp_finalize): Call set_value_range on SSA_NAMEs before calling
1934         substitute_and_fold.
1935
1936 2016-01-09  Jan Hubicka  <hubicka@ucw.cz>
1937
1938         * ipa-icf.c (sem_item_optimizer::merge_classes): Do not ICE on VAR_DECL
1939         w/o DECL_NAME.
1940
1941 2016-01-08  Jakub Jelinek  <jakub@redhat.com>
1942
1943         PR tree-optimization/69167
1944         * gimple-fold.c (replace_stmt_with_simplification): Also punt if
1945         new SSA_NAME_OCCURS_IN_ABNORMAL_PHI SSA_NAMEs appear in operands of
1946         ops[0] comparison.
1947         * gimple-match-head.c (maybe_push_res_to_seq): Likewise.
1948
1949 2016-01-08  Alan Lawrence  <alan.lawrence@arm.com>
1950             Richard Biener  <rguenther@suse.de>
1951
1952         PR tree-optimization/68707
1953         * tree-vect-slp.c (vect_analyze_slp_instance): Cancel permuted SLP
1954         instances that can be handled via vect_load_lanes.
1955
1956 2016-01-08  Uros Bizjak  <ubizjak@gmail.com>
1957
1958         * symtab.c (symtab_node::equal_address_to): Return -1 instead of 2
1959         if we can't determine address equivalence.
1960         * alias.c (compare_base_decl): Update for changed return value of
1961         symtab_node::equal_address_to.
1962
1963 2016-01-08  Jason Merrill  <jason@redhat.com>
1964
1965         PR c++/68983
1966         PR c++/67557
1967         * function.c (assign_temp): Guard against TREE_ADDRESSABLE types here.
1968         * expr.c (store_field): Not here.
1969         * tree-cfgcleanup.c (fixup_noreturn_call): Don't clear LHS of a
1970         call with TREE_ADDRESSABLE type.
1971         * tree-cfg.c (verify_gimple_call): Adjust.
1972
1973 2016-01-08  Olivier Hainque  <hainque@adacore.com>
1974
1975         * config/vxworks.h (VXWORKS_LIBGCC_SPEC): Don't link shared RTPs with
1976         libc_internal.
1977
1978 2016-01-08  Alan Lawrence  <alan.lawrence@arm.com>
1979
1980         * gcc.target/rs6000/paired.md (reduc_smax_v2sf): Rename to...
1981         (reduc_smax_scal_v2sf): ...here, make result SFmode, extract element.
1982         (reduc_smin_v2sf): Rename to...
1983         (reduc_smin_scal_v2sf): ...here, make result SFmode, extract element.
1984         (reduc_splus_v2sf): Rename to...
1985         (reduc_plus_scal_v2sf): ...here, make result SFmode, extract element.
1986
1987 2016-01-08  Jakub Jelinek  <jakub@redhat.com>
1988
1989         PR tree-optimization/69162
1990         * gimplify.c (gimplify_va_arg_expr): Encode original type of
1991         valist argument in another argument.
1992         (gimplify_modify_expr): Adjust for the above change.  Cleanup.
1993         * tree-stdarg.c (expand_ifn_va_arg_1): Use new 3rd argument
1994         to determine the va_list type, build a MEM_REF instead of
1995         build_fold_indirect_ref.
1996
1997         PR tree-optimization/69172
1998         * gimple-fold.c (gimple_fold_builtin_memory_chk): Pass type to
1999         gimple_build.
2000
2001 2016-01-08  Thomas Preud'homme  <thomas.preudhomme@arm.com>
2002
2003         PR tree-optimization/67781
2004         * tree-ssa-math-opts.c (find_bswap_or_nop): Zero out bytes in cmpxchg
2005         and cmpnop in two steps: first the ones not accessed in original
2006         gimple expression in a endian independent way and then the ones not
2007         accessed in the final result in an endian-specific way.
2008
2009 2016-01-08  Jakub Jelinek  <jakub@redhat.com>
2010
2011         PR tree-optimization/69083
2012         * tree-vect-slp.c (vect_get_constant_vectors): For
2013         VECTOR_BOOLEAN_TYPE_P assert op is fold_convertible_p to vector_type's
2014         element type.  If op is fold_convertible_p to vector_type's element
2015         type, use NOP_EXPR instead of VCE.
2016
2017 2016-01-08  Segher Boessenkool  <segher@kernel.crashing.org>
2018
2019         PR rtl-optimization/67778
2020         PR rtl-optimization/68634
2021         PR rtl-optimization/68909
2022         * shrink-wrap.c (try_shrink_wrapping): Add comment.  Don't pop
2023         block from the stack until done with it.  Remove a superfluous
2024         bitmap set.  Remove a superfluous bitmap test.
2025
2026 2016-01-07  Martin Sebor  <msebor@redhat.com>
2027
2028         PR c/68966
2029         * doc/extend.texi (__atomic Builtins, __sync Builtins): Document
2030         constraint on the type of arguments.
2031
2032 2016-01-07  Andreas Tobler  <andreast@gcc.gnu.org>
2033
2034         * config/arm/freebsd.h: Rename SUBTARGET_OVERRIDE_OPTIONS to
2035         SUBTARGET_OVERRIDE_INTERNAL_OPTIONS. Adjust to check
2036         unaligned_access on the gcc_options set.
2037         * config/arm/arm.c (arm_option_override_internal): Use
2038         SUBTARGET_OVERRIDE_INTERNAL_OPTIONS.
2039
2040 2016-01-07  Uros Bizjak  <ubizjak@gmail.com>
2041
2042         PR target/69140
2043         * config/i386/i386.c (ix86_frame_pointer_required): Enable
2044         frame pointer for TARGET_64BIT_MS_ABI when stack is misaligned.
2045
2046 2016-01-07  Uros Bizjak  <ubizjak@gmail.com>
2047
2048         Revert
2049         2016-01-06  Uros Bizjak  <ubizjak@gmail.com>
2050
2051         PR target/69140
2052         * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
2053         depending on frame_pointer_needed before remaining integer and SSE
2054         registers are saved.
2055
2056 2016-01-07  Sandra Loosemore  <sandra@codesourcery.com>
2057
2058         PR 1078
2059         * doc/extend.texi (Nvidia PDX Function Attributes): New section.
2060
2061 2016-01-07  H.J. Lu  <hongjiu.lu@intel.com>
2062
2063         PR target/69171
2064         * config/i386/sse.md (<sse>_sqrt<mode>2<mask_name><round_name>):
2065         Use the "xBm" constraint.
2066         (float<sseintvecmodelower><mode>2<mask_name><round_name):
2067         Likewise.
2068         (sse_cvtsi2ss<round_name>): Use round_nimm_scalar_predicate.
2069         (sse_cvtsi2ssq<round_name>): Likewise.
2070         (sse_cvtss2si<round_name>): Likewise.
2071         (sse_cvtss2siq<round_name>): Likewise.
2072         (sse2_cvtsi2sdq<round_name>): Likewise.
2073         (sse2_cvtsd2si<round_name>): Likewise.
2074         (sse2_cvtsd2siq<round_name>): Likewise.
2075         * config/i386/subst.md (round_nimm_scalar_predicate): New
2076         predicate.
2077
2078 2015-12-15  Bernd Schmidt  <bschmidt@redhat.com>
2079
2080         PR middle-end/67639
2081         * varasm.c (make_decl_rtl): Mark invalid register vars as
2082         DECL_EXTERNAL.
2083
2084         PR rtl-optimization/66206
2085         * bt-load.c (find_btr_use): Change first arg to be a pointer to an rtx.
2086         All callers changed.
2087
2088 2016-01-07  Jakub Jelinek  <jakub@redhat.com>
2089
2090         PR tree-optimization/69141
2091         * tree-ssa-pre.c: Include langhooks.h.
2092         (eliminate_dom_walker::before_dom_children): Use
2093         lang_hooks.decl_printable_name instead of
2094         cgraph_node::get ()->name ().
2095
2096         PR middle-end/68960
2097         * gimple-expr.c (copy_var_decl): If var has DECL_USER_ALIGN set, copy
2098         it and DECL_ALIGN too.
2099
2100 2016-01-06  Robert Suchanek  <robert.suchanek@imgtec.com>
2101
2102         * config/mips/mips-ftypes.def: Sort to lexicographical order.
2103
2104 2016-01-06  Uros Bizjak  <ubizjak@gmail.com>
2105
2106         PR target/69140
2107         * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
2108         depending on frame_pointer_needed before remaining integer and SSE
2109         registers are saved.
2110
2111 2015-01-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2112
2113         * config/rs6000/vsx.md (*p9_vecload_<mode>): Replace VSX_M
2114         mode iterator with VSX_M2.
2115         (*p9_vecstore_<mode>): Likewise.
2116         (*vsx_le_permute_<mode>): Restrict to !TARGET_P9_VECTOR.
2117         (*vsx_le_perm_load_<mode> for VSX_LE_128): Likewise.
2118         (*vsx_le_perm_store_<mode> for VSX_LE_128): Likewise.
2119         (define_split for VSX_LE128 stores): Likewise.
2120         (define_peephole2 for TImode LE swaps): Likewise.
2121         (define_split for VSX_LE128 post-reload stores): Likewise.
2122
2123 2016-01-06  Marek Polacek  <polacek@redhat.com>
2124
2125         PR sanitizer/69099
2126         * convert.c (convert_to_integer_1): Adjust call to
2127         ubsan_instrument_float_cast.  Use NULL_TREE instead of NULL.
2128         * ubsan.c (ubsan_instrument_float_cast): Drop the ARG parameter.  Use
2129         EXPR instead of ARG.
2130         * ubsan.h (ubsan_instrument_float_cast): Adjust declaration.
2131
2132 2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>
2133
2134         PR 1078
2135         * doc/extend.texi (RL78 Variable Attributes): New section.
2136
2137 2016-01-05  Marek Polacek  <polacek@redhat.com>
2138
2139         PR c/69104
2140         * builtins.c (get_memmodel): Use expansion point location rather than
2141         the input location.  Call warning_at rather than warning.
2142         (expand_builtin_atomic_compare_exchange): Likewise.
2143         (expand_builtin_atomic_load): Likewise.
2144         (expand_builtin_atomic_store): Likewise.
2145         (expand_builtin_atomic_clear): Likewise.
2146
2147 2016-01-05  H.J. Lu  <hongjiu.lu@intel.com>
2148
2149         PR target/68991
2150         * config/i386/i386.c (ix86_expand_vector_logical_operator):
2151         Replace nonimmediate_operand with vector_operand.
2152         * config/i386/predicates.md (vector_operand): New predicate.
2153         (general_vector_operand): Replace nonimmediate_operand with
2154         vector_operand.
2155         * config/i386/sse.md: Replace nonimmediate_operand with
2156         vector_operand and m constraint with Bm constraint on SSE
2157         patterns with 16-byte memory operand.
2158         * config/i386/subst.md (round_nimm_predicate): Replace
2159         nonimmediate_operand with vector_operand.
2160         (round_saeonly_nimm_predicate): Likewise.
2161         (round_saeonly_nimm_scalar_predicate): New.
2162
2163 2016-01-05  H.J. Lu  <hongjiu.lu@intel.com>
2164
2165         PR target/68991
2166         * config/i386/constraints.md (Bm): New constraint.
2167         * config/i386/predicates.md (vector_memory_operand): New
2168         predicate.
2169         * config/i386/sse.md: Replace xm with xBm in plusminus and
2170         any_logic patterns.
2171
2172 2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>
2173
2174         PR 1078
2175         * doc/extend.texi (V850 Function Attributes): New section.
2176         (V850 Variable Attributes): New section.
2177
2178 2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>
2179
2180         PR 1078
2181         * doc/extend.texi (MicroBlaze Function Attributes): Document
2182         interrupt_handler and fast_interrupt attributes.
2183
2184 2016-01-05  Sergei Trofimovich  <siarheit@google.com>
2185
2186         PR other/60465
2187         * config/ia64/ia64.c (ia64_expand_load_address): Use gprel64
2188         for local symbolic operands.
2189         * config/ia64/predicates.md (local_symbolic_operand64): New
2190         predicate.
2191
2192 2016-01-05  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2193
2194         PR rtl-optimization/68651
2195         * combine.c (combine_simplify_rtx): Canonicalize x + x into
2196         x << 1.
2197
2198 2016-01-05  Nathan Sidwell  <nathan@acm.org>
2199
2200         * alias.c (compare_base_decls): Use symtab_node::get.
2201
2202 2016-01-05  Nick Clifton  <nickc@redhat.com>
2203
2204         PR target/68770
2205         * ira-costs.c (copy_cost): Initialise the t_icode field of the
2206         secondary_reload_info structure.
2207
2208         PR target/66655
2209         * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Define to use weak
2210         decls if weak support is available.
2211
2212 2016-01-04  Martin Sebor  <msebor@redhat.com>
2213
2214         * doc/invoke.texi (Warning Options): Document -Winvalid-memory-model.
2215
2216 2016-01-04  Michael Meissner  <meissner@linux.vnet.ibm.com>
2217
2218         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Add
2219         OPTION_MASK_P9_DFORM.
2220
2221         * config/rs6000/constraints.md (wo constraint): New constraint for
2222         ISA 3.0 (power9).
2223
2224         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Add support
2225         for wo constraint.
2226         (rs6000_init_hard_regno_mode_ok): Likewise.
2227
2228         * config/rs6000/rs6000.h (r6000_reg_class_enum): Add support for
2229         wo constraint.
2230
2231         * config/rs6000/altivec.md (altivec_vperm_<mode>): Clean up vperm
2232         expanders not to have constraints.  Add support for ISA 3.0 xxperm
2233         instruction.  Add support for fusing xxlor with xxperm.
2234         (altivec_vperm_<mode>_internal): Likewise.
2235         (altivec_vperm_v8hiv16qi): Likewise.
2236         (altivec_vperm_<mode>v16q): Likewise.
2237         (altivec_vperm_<mode>_uns): Likewise.
2238         (vperm_v8hiv4si): Likewise.
2239         (vperm_v16qiv8hi): Likewise.
2240
2241         * doc/md.texi (RS/6000 constraints): Document wo constraint.
2242
2243 2016-01-04  Jakub Jelinek  <jakub@redhat.com>
2244
2245         Update copyright years.
2246
2247         * gcc.c (process_command): Update copyright notice dates.
2248         * gcov-dump.c (print_version): Ditto.
2249         * gcov.c (print_version): Ditto.
2250         * gcov-tool.c (print_version): Ditto.
2251         * gengtype.c (create_file): Ditto.
2252         * doc/cpp.texi: Bump @copying's copyright year.
2253         * doc/cppinternals.texi: Ditto.
2254         * doc/gcc.texi: Ditto.
2255         * doc/gccint.texi: Ditto.
2256         * doc/gcov.texi: Ditto.
2257         * doc/install.texi: Ditto.
2258         * doc/invoke.texi: Ditto.
2259
2260 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
2261
2262         * config/arm/arm.c (aapcs_vfp_allocate_return_reg): Treat all integer
2263         modes larger than TImode as TImode if NEON is not enabled.
2264
2265 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
2266
2267         PR target/69100
2268         * config/sparc/sparc.h (FUNCTION_ARG_REGNO_P): Return true in 64-bit
2269         mode for %f0-%f31 only if TARGET_FPU.
2270
2271 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
2272
2273         PR target/69072
2274         * config/sparc/sparc.c (scan_record_type): Take into account subfields
2275         to compute the PACKED_P predicate.
2276         (function_arg_record_value): Minor tweaks.
2277
2278 2016-01-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
2279
2280         * doc/install.texi (--with-multilib-list): Describe the meaning of the
2281         option for arm*-*-* targets.
2282
2283 2016-01-03  Sandra Loosemore  <sandra@codesourcery.com>
2284
2285         * doc/extend.texi (Common Function Attributes): Move docs for
2286         MSP430-specific attributes to....
2287         (MSP430 Function Attributes): ...here.  Delete the redundant
2288         entries and copy-edit the remaining text.
2289         (MSP430 Variable Attributes): Use uniform format for index
2290         entries and add a cross-reference to the corresponding function
2291         attribute docs.
2292
2293 2016-01-03  Vladimír Čunát  <vcunat@gmail.com>
2294
2295         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix
2296         -finite-math typo.
2297         (x86 Options): Likewise.
2298
2299 2016-01-01  Sandra Loosemore  <sandra@codesourcery.com>
2300
2301         PR 1078
2302
2303         * extend.texi (Common Function Attributes) <no_stack_limit>: New.
2304         * invoke.texi (Code Gen Options) <-fno-stack-limit>: Add pointer
2305         to corresponding attribute.
2306
2307 2016-01-01  Sandra Loosemore  <sandra@codesourcery.com>
2308
2309         * doc/extend.texi (Common Function Attributes) <noplt>: Move
2310         to correct alphabetization of table.  Copy-edit and correct
2311         markup.
2312         <stack_protect>: Likewise.
2313         <target_clones>: Likewise.
2314         <simd>: Likewise.
2315         * doc/invoke.texi (Optimize Options) <-fstack-protector-explicit>:
2316         Correct punctuation.
2317         (Code Gen Options) <-fno-plt>: Copy-edit.
2318
2319 2016-01-01  Bernd Edlinger  <bernd.edlinger@hotmail.de>
2320
2321         PR target/68917
2322         * config/tilegx/tilegx.md (clzsi2): Don't create DI subregs of
2323         SI values.  Explicitly convert SI to DI and vice-versa.
2324
2325 2016-01-01  Jakub Jelinek  <jakub@redhat.com>
2326
2327         PR tree-optimization/69070
2328         * tree-ssa-math-opts.c (gimple_expand_builtin_pow): Only test
2329         REAL_VALUE_ISSIGNALING_NAN on arg0 if arg0 is a REAL_CST.
2330
2331         PR sanitizer/69055
2332         * ubsan.c (ubsan_instrument_float_cast): Call
2333         initialize_sanitizer_builtins.
2334
2335         PR target/69015
2336         * ifcvt.c (find_cond_trap): Give up if returnjump_p (jump).
2337 \f
2338 Copyright (C) 2016 Free Software Foundation, Inc.
2339
2340 Copying and distribution of this file, with or without modification,
2341 are permitted in any medium without royalty provided the copyright
2342 notice and this notice are preserved.