1 2016-01-29 Vladimir Makarov <vmakarov@redhat.com>
4 * config/i386/constraints.md (Bm): Describe as special memory
6 * doc/md.texi (DEFINE_SPECIAL_MEMORY_CONSTRAINT): Describe it.
7 * genoutput.c (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
8 * genpreds.c (struct constraint_data): Add is_special_memory.
9 (have_special_memory_constraints, special_memory_start): New
11 (special_memory_end): Ditto.
12 (add_constraint): Add new arg is_special_memory. Add code to
13 process its true value. Update have_special_memory_constraints.
14 (process_define_constraint): Pass the new arg.
15 (process_define_register_constraint): Ditto.
16 (choose_enum_order): Process special memory.
17 (write_tm_preds_h): Generate enum const CT_SPECIAL_MEMORY and
18 function insn_extra_special_memory_constraint.
19 (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
20 * gensupport.c (process_rtx): Process
21 DEFINE_SPECIAL_MEMORY_CONSTRAINT.
22 * ira-costs.c (record_reg_classes): Process CT_SPECIAL_MEMORY.
23 * ira-lives.c (single_reg_class): Use
24 insn_extra_special_memory_constraint.
25 * ira.c (ira_setup_alts): Process CT_SPECIAL_MEMORY.
26 * lra-constraints.c (process_alt_operands): Ditto.
27 (curr_insn_transform): Use insn_extra_special_memory_constraint.
28 * recog.c (asm_operand_ok, preprocess_constraints): Process
30 * reload.c (find_reloads): Ditto.
31 * rtl.def (DEFINE_SPECIFAL_MEMORY_CONSTRAINT): New.
32 * stmt.c (parse_input_constraint): Use
33 insn_extra_special_memory_constraint.
35 2016-01-29 H.J. Lu <hongjiu.lu@intel.com>
38 * lra-splill.c (lra_final_code_change): Revert r229087 by
39 removing all sub-registers.
41 2016-01-29 Steve Ellcey <sellcey@imgtec.com>
44 * config/mips/mips.c (mips_output_division): Check flag_delayed_branch.
46 2016-01-29 Jakub Jelinek <jakub@redhat.com>
49 * config/i386/i386.c (ix86_expand_vector_set) <case V4SImode>: For
50 SSE1, copy target into the temporary reg first before recursing
53 2016-01-29 H.J. Lu <hongjiu.lu@intel.com>
55 * config/i386/sse.md (sse2_cvtps2pd<mask_name>): Replace vBm
58 2016-01-29 Jonathan Wakely <jwakely@redhat.com>
60 * ginclude/stdarg.h: Test __cplusplus instead of
61 __GXX_EXPERIMENTAL_CXX0X__.
63 2016-01-29 Richard Biener <rguenther@suse.de>
65 PR tree-optimization/69547
66 * tree-ssa-dce.c (mark_aliased_reaching_defs_necessary_1):
67 Do not mark clobbers necessary.
68 (mark_all_reaching_defs_necessary_1): Likewise.
70 2016-01-29 Dominik Vogt <vogt@linux.vnet.ibm.com>
72 * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Format
73 declaration name with %qs and print it in both error messages.
76 2016-01-29 Dominik Vogt <vogt@linux.vnet.ibm.com>
79 * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Remove
80 trailing blank line from error message.
82 2016-01-29 Jonathan Wakely <jwakely@redhat.com>
85 * ginclude/float.h: Also provide FLT_EVAL_METHOD and DECIMAL_DIG
88 2016-01-29 Richard Biener <rguenther@suse.de>
91 * match.pd: Allow all integral types when simplifying a
92 widening or sign-changing conversion.
94 2016-01-28 Sebastian Pop <s.pop@samsung.com>
96 * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Revert assert
97 back to setting codegen_error to fail codegen.
99 2016-01-28 Uros Bizjak <ubizjak@gmail.com>
102 * config/i386/constraints.md (C): Only accept constant zero operand.
103 (BC): New constraint.
104 * config/i386/sse.md (*mov<mode>_internal): Use BC constraint
105 instead of C constraint.
106 * doc/md.texi (Machine Constraints): Update description
109 2016-01-28 Steve Ellcey <sellcey@imgtec.com>
112 * config/mips/mips.c (and_operands_ok): Add MIPS16 check.
114 2016-01-28 Jakub Jelinek <jakub@redhat.com>
117 * lra-remat.c (calculate_local_reg_remat_bb_data): Only consider
120 2016-01-28 Pat Haugen <pthaugen@us.ibm.com>
122 * config/rs6000/rs6000.c (output_cbranch): Don't statically predict
123 branches if using guessed profile.
125 2016-01-28 H.J. Lu <hongjiu.lu@intel.com>
127 * graphite-optimize-isl.c (optimize_isl): Fix dump.
129 2016-01-28 Richard Henderson <rth@redhat.com>
132 * config/aarch64/aarch64-modes.def (CC_Cmode): New
133 * config/aarch64/aarch64-protos.h: Update.
134 * config/aarch64/aarch64.c (aarch64_zero_extend_const_eq): New.
135 (aarch64_select_cc_mode): Add check for use of CC_Cmode.
136 (aarch64_get_condition_code_1): Handle CC_Cmode.
137 * config/aarch64/aarch64.md (addti3): Use adddi3_compareC.
138 (*add<mode>3_compareC_cconly_imm): New.
139 (*add<mode>3_compareC_cconly): New.
140 (*add<mode>3_compareC_imm): New.
141 (add<mode>3_compareC): New.
142 (add<mode>3_carryin, *addsi3_carryin_uxtw): Sort compare operand
143 to be first. Use aarch64_carry_operation.
144 (*add<mode>3_carryin_alt1, *addsi3_carryin_alt1_uxtw): Remove.
145 (*add<mode>3_carryin_alt2, *addsi3_carryin_alt2_uxtw): Remove.
146 (*add<mode>3_carryin_alt3, *addsi3_carryin_alt3_uxtw): Remove.
147 (subti3): Use subdi3_compare1.
148 (*sub<mode>3_compare0): Rename from sub<mode>3_compare0.
149 (sub<mode>3_compare1): New.
150 (*sub<mode>3_carryin0, *subsi3_carryin_uxtw): New.
151 (*sub<mode>3_carryin): Use aarch64_borrow_operation.
152 (*subsi3_carryin_uxtw): Likewise.
153 (*ngc<mode>, *ngcsi_uxtw): Likewise.
154 (*sub<mode>3_carryin_alt, *subsi3_carryin_alt_uxtw): New.
155 * config/aarch64/iterators.md (DWI): New.
156 * config/aarch64/predicates.md (aarch64_carry_operation): New.
157 (aarch64_borrow_operation): New.
159 2016-01-28 Abderrazek Zaafrani <a.zaafrani@samsung.com>
161 * graphite-optimize-isl.c (optimize_isl): Print a different debug
162 message when isl does not return a valid schedule.
164 2016-01-28 Sebastian Pop <s.pop@samsung.com>
166 * graphite-isl-ast-to-gimple.c (class translate_isl_ast_to_gimple):
167 Remove comments from class declarations: they are already in the code
170 2016-01-28 Sebastian Pop <s.pop@samsung.com>
172 * graphite-isl-ast-to-gimple.c (binary_op_to_tree): Call
174 (ternary_op_to_tree): Same.
175 (unary_op_to_tree): Same.
176 (nary_op_to_tree): Same.
177 (gcc_expression_from_isl_expr_op): Same.
178 (gcc_expression_from_isl_expression): Same.
179 (graphite_create_new_loop): Same.
180 (graphite_create_new_loop_guard): Same.
181 (build_iv_mapping): Same.
182 (graphite_create_new_guard): Same.
183 (translate_isl_ast_to_gimple::copy_loop_phi_nodes): Same.
184 (translate_isl_ast_to_gimple::translate_pending_phi_nodes): Same.
186 2016-01-28 Sebastian Pop <s.pop@samsung.com>
188 * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Assert
189 instead of setting codegen_error to fail codegen.
191 2016-01-28 Jason Merrill <jason@redhat.com>
193 * tree.h (BINFO_FLAG_0): Rename from BINFO_MARKED.
195 2016-01-28 Wilco Dijkstra <wdijkstr@arm.com>
197 * config/aarch64/aarch64.c (aarch64_if_then_else_costs):
198 Remove CONST_INT_P check in CCMP cost calculation.
200 2016-01-28 Wilco Dijkstra <wdijkstr@arm.com>
202 * config/aarch64/aarch64.c (generic_vector_cost):
203 Set vec_permute_cost.
204 (cortexa57_vector_cost): Likewise.
205 (exynosm1_vector_cost): Likewise.
206 (xgene1_vector_cost): Likewise.
207 (aarch64_builtin_vectorization_cost): Use vec_permute_cost.
208 * config/aarch64/aarch64-protos.h (cpu_vector_cost):
209 Add vec_permute_cost entry.
211 2016-01-28 Wilco Dijkstra <wdijkstr@arm.com>
213 * config/aarch64/aarch64.md (ccmp<mode>): Disassemble
215 (add<mode>3_compare0): Likewise.
216 (addsi3_compare0_uxtw): Likewise.
217 (add<mode>3nr_compare0): Likewise.
218 (compare_neg<mode>): Likewise.
219 (<optab><mode>3): Likewise.
221 2016-01-28 Ilya Enkovich <enkovich.gnu@gmail.com>
223 * tree-vect-stmts.c (vectorizable_comparison): Add
224 NULL check for vectype.
226 2016-01-28 Richard Biener <rguenther@suse.de>
228 PR tree-optimization/69466
229 * tree-vect-loop-manip.c (slpeel_duplicate_current_defs_from_edges):
230 Account for PHIs we couldn't duplicate.
232 2016-01-28 Martin Liska <mliska@suse.cz>
235 * ggc-common.c (gt_pch_save): Use ENABLE_VALGRIND_ANNOTATIONS macro
236 instead of ENABLE_VALGRIND_CHECKING.
238 2016-01-27 Richard Henderson <rth@redhat.com>
241 * lra-remat.c (subreg_regs): New.
242 (dump_candidates_and_remat_bb_data): Dump it.
243 (operand_to_remat): Reject if operand in subreg_regs.
244 (set_bb_regs): Collect subreg_regs.
245 (lra_remat): Init and free subreg_regs. Compute
246 calculate_local_reg_remat_bb_data before create_cands.
248 2016-01-27 H.J. Lu <hongjiu.lu@intel.com>
251 * config/i386/i386.c (ix86_update_stack_boundary): Don't
252 change stack_alignment_needed for __tls_get_addr call.
254 2016-01-27 Segher Boessenkool <segher@kernel.crashing.org>
256 * config/rs6000/rs6000.c (print_operand): Rollback 's' removal.
258 2016-01-27 Jeff Law <law@redhat.com>
260 PR tree-optimization/68398
261 PR tree-optimization/69196
262 * params.def (PARAM_FSM_SCALE_PATH_STMTS): New parameter.
263 (PARAM_FSM_SCALE_PATH_BLOCKS): Likewise.
264 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
265 Only count PHIs in the last block in the path. The others will
266 const/copy propagate away. Add heuristic to allow more irreducible
267 subloops to be created when it is likely profitable to do so.
269 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
270 Fix typo in comment. Use gsi_after_labels and remove the GIMPLE_LABEL
271 check from within the loop. Use gsi_next_nondebug rather than gsi_next.
273 2016-01-27 Jakub Jelinek <jakub@redhat.com>
276 * sanitizer.def: Add BEGIN_SANITIZER_BUILTINS and
277 END_SANITIZER_BUILTINS markers using DEF_BUILTIN_STUB.
278 * asan.c (DEF_BUILTIN_STUB): Temporarily define.
279 * tree-streamer-in.c: Include asan.h.
280 (streamer_get_builtin_tree): For builtins in sanitizer
281 range call initialize_sanitizer_builtins and retry.
283 2016-01-27 Ian Lance Taylor <iant@google.com>
285 * common.opt (fkeep-gc-roots-live): New undocumented option.
286 * tree-ssa-loop-ivopts.c (add_candidate_1): If
287 -fkeep-gc-roots-live, skip pointers.
288 (add_iv_candidate_for_biv): Handle add_candidate_1 returning
291 2016-01-27 Uros Bizjak <ubizjak@gmail.com>
294 * config/i386/i386.md (*zext<mode>_doubleword_and): New pattern.
295 (*zext<mode>_doubleword): Disable for TARGET_ZERO_EXTEND_WITH_AND.
297 2016-01-27 Thomas Klausner <wiz@NetBSD.org>
300 * configure.ac: NetBSD provides SSP in its C library.
301 * configure: Updated.
303 2016-01-27 Richard Biener <rguenther@suse.de>
305 PR tree-optimization/69166
306 * tree-vect-loop.c (vect_is_simple_reduction): Always check
307 reduction code for commutativity / associativity.
309 2016-01-27 Martin Jambor <mjambor@suse.cz>
311 PR tree-optimization/69355
312 * tree-sra.c (analyze_access_subtree): Correct hole detection when
313 total_scalarization fails.
315 2016-01-27 David Edelsohn <dje.gcc@gmail.com>
317 * config/rs6000/driver-rs6000.c (detect_processor_aix): Add
320 2016-01-27 Christian Bruel <christian.bruel@st.com>
323 * config/arm/arm-c.c (arm_pragma_target_parse): Add comments.
324 Move arm_reset_previous_fndecl and set_target_option_current_node in
325 the conditional part. Call save_restore_target_globals.
326 * config/arm/arm.c (arm_set_current_function):
327 Refactor to better support #pragma target and attribute mix.
328 Call save_restore_target_globals.
329 * config/arm/arm-protos.h (save_restore_target_globals): New function.
331 2016-01-27 Martin Liska <mliska@suse.cz>
333 * hsa.c (hsa_summary_t::link_functions): Create IPA_REF_ADDR
334 reference for an HSA kernel and its host function.
336 2016-01-27 Jakub Jelinek <jakub@redhat.com>
338 PR tree-optimization/69399
339 * wide-int.h (wi::lrshift): For larger precisions, only
340 use fast path if shift is known to be < HOST_BITS_PER_WIDE_INT.
342 2016-01-27 Claudiu Zissulescu <claziss@synopsys.com>
344 * config/arc/predicates.md (proper_comparison_operator): Reject
345 constant-constant comparison.
347 2016-01-26 Tom de Vries <tom@codesourcery.com>
349 PR tree-optimization/69110
350 * tree-data-ref.c (initialize_data_dependence_relation): Handle
351 DR_NUM_DIMENSIONS == 0.
353 2016-01-26 Abderrazek Zaafrani <a.zaafrani@samsung.com>
354 Sebastian Pop <s.pop@samsung.com>
356 * graphite-isl-ast-to-gimple.c (ternary_op_to_tree): Handle
357 isl_ast_op_cond and isl_ast_op_select.
358 (gcc_expression_from_isl_expr_op): Same.
360 2016-01-26 Jason Merrill <jason@redhat.com>
363 * tree.c (recompute_constructor_flags): Split out from
365 (verify_constructor_flags): New.
366 * tree.h: Declare them.
368 2016-01-26 Iain Buclaw <ibuclaw@gdcproject.org>
370 PR rtl-optimization/69217
371 * var-tracking.c (tracked_record_parameter_p): Don't segfault if there
372 are no TYPE_FIELDS set for the record type.
374 2016-01-26 Jakub Jelinek <jakub@redhat.com>
377 * config/rs6000/rs6000.c (rs6000_option_override_internal): Initialize
378 toc_label_name unconditionally.
379 (rs6000_emit_load_toc_table): Call ggc_strdup on toc_label_name for
380 SYMBOL_REF string. Use toc_label_name instead of constructing
382 (rs6000_elf_declare_function_name): Use toc_label_name instead of
385 2016-01-26 Martin Sebor <msebor@redhat.com>
388 * doc/extend.texi (Common Type Attributes): Move text that talks about
389 attribute packed from attribute aligned to the section discussing
390 the former attribute for clarity.
392 2016-01-26 Richard Henderson <rth@redhat.com>
395 * trans-mem.c (tm_region_init): Mark entry block as visited.
397 2016-01-26 David Malcolm <dmalcolm@redhat.com>
400 * diagnostic-show-locus.c (layout::print_source_line): Replace
401 call to pp_newline with call to layout::print_newline.
402 (layout::print_annotation_line): Likewise.
403 (layout::move_to_column): Likewise.
404 (layout::print_any_fixits): After printing any fixits, print a
405 trailing newline, if necessary.
406 (layout::print_newline): New method, resetting any colorization
408 (diagnostic_show_locus): Move the pp_newline to before the
409 early bailout. Remove dummy block enclosing the layout instance.
410 * diagnostic.c (default_diagnostic_finalizer): Replace invocation
411 of pp_newline_and_flush with pp_flush.
412 (diagnostic_append_note): Delete use of pp_newline.
413 (diagnostic_append_note_at_rich_loc): Delete.
414 * diagnostic.h (diagnostic_append_note_at_rich_loc): Delete.
415 * pretty-print.h (output_buffer_append_r): Reset buff->line_length
416 when newline characters are added to the buffer.
418 2016-01-26 Michael Matz <matz@suse.de>
420 * configure.ac (ac_cv_std_swap_in_utility): New test.
421 * system.h (<algorithm>): Check HAVE_SWAP_IN_UTILITY as well.
422 * configure: Regenerate.
423 * config.in: Regenerate.
425 2016-01-26 Claudiu Zissulescu <claziss@synopsys.com>
427 * config/arc/arc.md (cstoresi4): Force operand into register.
428 (arcset<code>): Fix predicate.
429 (arcsetltu): Likewise.
430 (arcsetgeu): Likewise.
431 (arcsethi): Likewise.
432 (arcsetls): Likewise.
434 2016-01-26 Jakub Jelinek <jakub@redhat.com>
436 PR tree-optimization/69483
437 * gimple-fold.c (canonicalize_constructor_val): Return NULL
438 if base has error_mark_node type.
440 2016-01-26 Christophe Lyon <christophe.lyon@linaro.org>
443 * config/arm/arm.c (neon_valid_immediate): Handle FP16 vectors.
444 * config/arm/arm_neon.h (__ARM_NUM_LANES, __arm_lane, arm_lanq):
446 (vget_lane_f16): Handle big-endian.
447 (vgetq_lane_f16): Likewise.
448 (vset_lane_f16): Likewise.
449 (vsetq_lane_f16): Likewise.
450 * config/arm/iterators.md (VQXMOV): Add V8HF.
451 (VDQ): Add V4HF and V8HF.
452 (V_reg): Handle V4HF and V8HF.
453 (Is_float_mode): Likewise.
454 * config/arm/neon.md (movv4hf, movv8hf, neon_vdup_nv4hf,
455 neon_vdup_nv8hf): New patterns.
456 (vec_set<mode>_internal, vec_extract<mode>, neon_vld1_dup<mode>):
457 Use VD_LANE iterator.
458 (neon_vld1_dup<mode>): Use VQ2 iterator.
460 2016-01-26 Nathan Sidwell <nathan@acm.org>
462 * omp-low.h (oacc_fn_attrib_kernels_p): Declare.
463 (set_oacc_fn_attrib): Add IS_KERNEL arg.
464 * omp-low.c (set_oacc_fn_attrib): Add IS_KERNEL arg.
465 (oacc_fn_attrib_kernels_p, oacc_fn_attrib_level): New.
466 (expand_omp_target): Pass is_kernel to set_oacc_fn_attrib.
467 (oacc_validate_dims): Add LEVEL arg, don't return level.
468 (new_oacc_loop_routine): Use oacc_fn_attrib_level, not
470 (execute_oacc_device_lower): Adjust, add more dump output.
471 * tree-ssa-loop.c (gate_oacc_kernels): Use
472 oacc_fn_attrib_kernels_p.
473 * tree-parloops.c (create_parallel_loop): Adjust
474 set_oacc_fn_attrib call.
476 2016-01-26 Jakub Jelinek <jakub@redhat.com>
479 * lto-wrapper.c (merge_and_complain): Handle -fcilkplus.
480 (append_compiler_options): Handle -fcilkplus.
481 (append_linker_options): Ignore -fno-{openmp,openacc,cilkplus}.
483 2016-01-26 Nick Clifton <nickc@redhat.com>
486 * config/i386/winnt.c (i386_pe_binds_local_p): If a function has
487 been marked as DECL_ONE_ONLY but we do not the means to make it
488 so, then do not allow it to bind locally.
490 2016-01-26 Jakub Jelinek <jakub@redhat.com>
493 * opts.h (parse_sanitizer_options): New prototype.
494 * opts.c (sanitizer_opts): New array.
495 (parse_sanitizer_options): New function.
496 (common_handle_option): Use parse_sanitizer_options.
498 2016-01-26 H.J. Lu <hongjiu.lu@intel.com>
501 * config/i386/i386.c (ix86_compute_frame_layout): Move stack
502 alignment adjustment to ...
503 (ix86_update_stack_boundary): Here. Don't over-align stack for
505 (ix86_finalize_stack_realign_flags): Use stack_alignment_needed
506 if __tls_get_addr is called.
508 2016-01-26 Christian Bruel <christian.bruel@st.com>
510 * doc/sourcebuild.texi (arm_crypto_pragma_ok): Remove.
512 2016-01-26 Eric Botcazou <ebotcazou@adacore.com>
514 * config/ia64/ia64.c (ia64_expand_vecint_compare): Use gen_int_mode.
516 2016-01-26 Richard Biener <rguenther@suse.de>
519 * match.pd: Guard X * CST CMP 0 pattern with single_use.
521 2016-01-26 Richard Biener <rguenther@suse.de>
523 PR tree-optimization/69452
524 * tree-ssa-loop-im.c (move_computations_dom_walker): Remove.
525 (move_computations_dom_walker::before_dom_children): Rename
527 (move_computations_worker): This.
528 (move_computations): Perform an RPO rather than a DOM walk.
530 2016-01-26 Jakub Jelinek <jakub@redhat.com>
533 * combine.c (combine_instructions): For REG_EQUAL note with
534 SET_DEST being ZERO_EXTRACT, also temporarily set SET_DEST
535 to the underlying register.
536 * doc/rtl.texi (REG_EQUAL): Document the behavior of
537 REG_EQUAL/REG_EQUIV notes if SET_DEST is ZERO_EXTRACT.
539 2016-01-26 Roger Ferrer Ibáñez <rofirrim@gmail.com>
542 * config/aarch64/aarch64-builtins.c
543 (aarch64_init_simd_builtin_types): Do not set structural
544 equality to __Poly{8,16,64,128}_t types.
546 2016-01-26 Richard Sandiford <richard.sandiford@arm.com>
548 PR tree-optimization/69400
549 * wide-int.cc (wi_pack): Take the precision as argument and
550 perform canonicalization here rather than in the callers.
551 Use the main loop to handle all full-width HWIs. Add a
552 zero HWI if in_len isn't a full result.
553 (wi::divmod_internal): Update accordingly.
554 (wi::mul_internal): Likewise. Simplify.
556 2016-01-25 Aditya Kumar <aditya.k7@samsung.com>
557 Sebastian Pop <s.pop@samsung.com>
559 * graphite-poly.c (apply_poly_transforms): Simplify.
560 (print_isl_set): Use more readable format: ISL_YAML_STYLE_BLOCK.
561 (print_isl_map): Same.
562 (print_isl_union_map): Same.
563 (print_isl_schedule): New.
564 (debug_isl_schedule): New.
565 * graphite-dependences.c (scop_get_reads): Do not call
566 isl_union_map_add_map that is undocumented isl functionality.
567 (scop_get_must_writes): Same.
568 (scop_get_may_writes): Same.
569 (scop_get_original_schedule): Remove.
570 (scop_get_dependences): Do not call isl_union_map_compute_flow that
571 is deprecated in isl 0.15. Instead, use isl_union_access_* interface.
572 (compute_deps): Remove.
573 * graphite-isl-ast-to-gimple.c (print_schedule_ast): New.
574 (debug_schedule_ast): New.
575 (translate_isl_ast_to_gimple::scop_to_isl_ast): Call
577 (graphite_regenerate_ast_isl): Add dump.
578 (translate_isl_ast_to_gimple::scop_to_isl_ast): Generate code
579 from scop->transformed_schedule.
580 (graphite_regenerate_ast_isl): Add more dump.
581 * graphite-optimize-isl.c (optimize_isl): Set
582 scop->transformed_schedule. Check whether schedules are equal.
583 (apply_poly_transforms): Move here.
584 * graphite-poly.c (apply_poly_transforms): ... from here.
585 (free_poly_bb): Static.
587 (pbb_number_of_iterations_at_time): Remove.
588 (print_isl_ast): New.
589 (debug_isl_ast): New.
590 (debug_scop_pbb): New.
591 * graphite-scop-detection.c (print_edge): Move.
593 * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Remove.
594 (build_scop_scattering): Remove.
595 (create_pw_aff_from_tree): Assert instead of bailing out.
596 (add_condition_to_pbb): Remove unused code, do not fail.
597 (add_conditions_to_domain): Same.
598 (add_conditions_to_constraints): Remove.
599 (build_scop_context): New.
600 (add_iter_domain_dimension): New.
601 (build_iteration_domains): Initialize pbb->iterators.
602 Call add_conditions_to_domain.
605 (index_outermost_in_loop): New.
606 (index_pbb_in_loop): New.
607 (outermost_pbb_in): New.
608 (add_in_sequence): New.
609 (add_outer_projection): New.
610 (outer_projection_mupa): New.
611 (add_loop_schedule): New.
612 (build_schedule_pbb): New.
613 (build_schedule_loop): New.
614 (embed_in_surrounding_loops): New.
615 (build_schedule_loop_nest): New.
616 (build_original_schedule): New.
617 (build_poly_scop): Call build_original_schedule.
618 * graphite.h: Declare print_isl_schedule and debug_isl_schedule.
619 (free_poly_dr): Remove.
620 (struct poly_bb): Add iterators. Remove schedule, transformed, saved.
621 (free_poly_bb): Remove.
622 (debug_loop_vec): Remove.
623 (print_isl_ast): Declare.
624 (debug_isl_ast): Declare.
625 (scop_do_interchange): Remove.
626 (scop_do_strip_mine): Remove.
627 (scop_do_block): Remove.
628 (flatten_all_loops): Remove.
629 (optimize_isl): Remove.
630 (pbb_number_of_iterations_at_time): Remove.
631 (debug_scop_pbb): Declare.
632 (print_schedule_ast): Declare.
633 (debug_schedule_ast): Declare.
634 (struct scop): Remove schedule. Add original_schedule,
635 transformed_schedule.
636 (free_gimple_poly_bb): Remove.
637 (print_generated_program): Remove.
638 (debug_generated_program): Remove.
639 (unify_scattering_dimensions): Remove.
640 * sese.c (print_edge): ... here.
641 (print_sese): ... here.
642 (debug_edge): ... here.
643 (debug_sese): ... here.
644 * sese.h (print_edge): Declare.
645 (print_sese): Declare.
646 (dump_edge): Declare.
647 (dump_sese): Declare.
649 2016-01-25 Aditya Kumar <aditya.k7@samsung.com>
650 Sebastian Pop <s.pop@samsung.com>
652 * Makefile.in: Set ISLVER in site.exp.
654 2016-01-25 Jakub Jelinek <jakub@redhat.com>
656 * omp-low.c (lower_omp_target) <case USE_DEVICE_PTR>: Set
657 DECL_VALUE_EXPR of new_var even for the non-array case. Look
658 through DECL_VALUE_EXPR for expansion.
660 2016-01-25 Bernd Edlinger <bernd.edlinger@hotmail.de>
662 * config/mips/mips.c (mips_compute_frame_info): Skip re-computing
663 the frame info after reload completed.
665 2016-01-25 Jeff Law <law@redhat.com>
667 PR tree-optimization/69196
668 PR tree-optimization/68398
669 * tree-ssa-threadupdate.h (enum bb_dom_status): Moved here from
670 tree-ssa-threadupdate.c.
671 (determine_bb_domination_status): Prototype
672 * tree-ssa-threadupdate.c (enum bb_dom_status): Remove
673 (determine_bb_domination_status): No longer static.
674 (valid_jump_thread_path): Remove code to detect characteristics
675 of the jump thread path not associated with correctness.
676 * tree-ssa-threadbackward.c (fsm_find_control_statment_thread_paths):
677 Correct test for thread path length. Count PHIs for real operands as
678 statements that need to be copied. Do not count ASSERT_EXPRs.
679 Look at all the blocks in the thread path. Compute and selectively
680 filter thread paths based on threading through the latch, threading
681 a multiway branch or crossing a multiway branch.
683 2016-01-25 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
685 * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled): Add
686 decl with __attribute__ ((unused)) annotation.
688 2016-01-25 Ilya Enkovich <enkovich.gnu@gmail.com>
691 * tree-vect-stmts.c (vectorizable_condition): Check vectype
692 of operands is compatible with a statement vectype.
694 2016-01-25 Eric Botcazou <ebotcazou@adacore.com>
696 * doc/extend.texi (scalar_storage_order type attribute): Fix typo and
697 improve wording for mixed storage order support.
699 2016-01-25 Bilyan Borisov <bilyan.borisov@arm.com>
701 * config/aarch64/arm_neon.h (vcvt_s64_f64): New intrinsic.
702 (vcvt_u64_f64): Likewise.
703 (vcvta_s64_f64): Likewise.
704 (vcvta_u64_f64): Likewise.
705 (vcvtm_s64_f64): Likewise.
706 (vcvtm_u64_f64): Likewise.
707 (vcvtn_s64_f64): Likewise.
708 (vcvtn_u64_f64): Likewise.
709 (vcvtp_s64_f64): Likewise.
710 (vcvtp_u64_f64): Likewise.
712 2016-01-25 Claudiu Zissulescu <claziss@synopsys.com>
714 * config/arc/arc.c (TARGET_DWARF_REGISTER_SPAN): Define.
715 (arc_init): Check validity mll64 option.
716 (arc_save_restore): Use double load/store instruction.
717 (arc_expand_movmem): Likewise.
718 (arc_split_move): Don't split if we have double load/store
719 instructions. Returns a boolean.
720 (arc_process_double_reg_moves): Change function to return boolean
721 instead of a sequence of instructions.
722 (arc_dwarf_register_span): New function.
723 * config/arc/arc-protos.h (arc_split_move): Change prototype.
724 * config/arc/arc.h (TARGET_CPU_CPP_BUILTINS): Define __ARC_LL64__.
725 * config/arc/arc.md (*movdi_insn): Emit ldd/std instructions.
726 (*movdf_insn): Likewise.
727 * config/arc/arc.opt (mll64): New option.
728 * config/arc/predicates.md (even_register_operand): New predicate.
729 * doc/invoke.texi (ARC Options): Add mll64 documentation.
731 2016-01-25 Richard Biener <rguenther@suse.de>
734 * dwarf2out.c (is_naming_typedef_decl): Not when DECL_NAMELESS.
735 * tree-streamer-out.c (pack_ts_base_value_fields): Stream
737 * tree-streamer-in.c (unpack_ts_base_value_fields): Likewise.
739 2016-01-25 Richard Biener <rguenther@suse.de>
741 PR tree-optimization/69376
742 * tree-ssa-sccvn.h (struct vn_ssa_aux): Add range_info_anti_range_p
744 (VN_INFO_ANTI_RANGE_P): New inline.
745 (VN_INFO_RANGE_TYPE): Likewise.
746 * tree-ssa-sccvn.c (set_ssa_val_to): Also record and copy
747 SSA_NAME_ANTI_RANGE_P.
748 (free_scc_vn): Restore SSA_NAME_ANTI_RANGE_P.
749 * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
750 Properly query VN_INFO_RANGE_TYPE.
752 2016-01-25 Nick Clifton <nickc@redhat.com>
755 * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Remove definition.
757 2016-01-23 Tom de Vries <tom@codesourcery.com>
759 PR tree-optimization/69426
760 * tree-parloops.c (eliminate_local_variables_stmt): Handle vdef of
763 2016-01-23 Jakub Jelinek <jakub@redhat.com>
765 * tree-ssanames.c (release_free_names_and_compact_live_names): Replace
766 "the the" with "the" in the comments.
767 * ipa-devirt.c (build_type_inheritance_graph,
768 update_type_inheritance_graph): Likewise.
769 * tree.c (build_function_type_list_1): Likewise.
770 * cfgloopmanip.c (scale_loop_profile): Likewise.
771 * tree-ssa-loop-ivopts.c (get_shiftadd_cost): Likewise.
772 * gimple-ssa-split-paths.c
773 (find_block_to_duplicate_for_splitting_paths): Likewise.
774 * tree-sra.c (init_subtree_with_zero, clobber_subtree): Likewise.
775 * expr.c (convert_move): Likewise.
776 * var-tracking.c (vt_stack_adjustments): Likewise.
777 * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Likewise.
778 * tree-vrp.c (test_for_singularity): Likewise.
780 * tree-vect-stmts.c (vectorizable_condition): Build a VEC_COND_EXPR
781 directly instead of building a temporary tree.
784 * genrecog.c: Define INCLUDE_ALGORITHM before including system.h,
785 remove <algorithm> include.
787 2016-01-22 Jakub Jelinek <jakub@redhat.com>
790 * config/i386/i386.c: Include dojump.h.
791 (expand_small_movmem_or_setmem,
792 expand_set_or_movmem_prologue_epilogue_by_misaligned_moves): Spelling
794 (ix86_expand_set_or_movmem): Call do_pending_stack_adjust () early
795 if dynamic_check != -1.
797 2016-01-21 Jeff Law <law@redhat.com>
800 * tree-ssa-dom.c (back_propagate_equivalences): Factored out of
801 record_temporary_equivalences. Rewritten to avoid unnecessary calls
803 (cprop_into_successor_phis): Avoid unnecessary tests.
805 2016-01-22 Richard Henderson <rth@redhat.com>
808 * config/aarch64/aarch64.md (UNSPEC_NZCV): New.
809 (ccmp<mode>, fccmp<mode>, fccmpe<mode>): Use it.
811 2016-01-22 Michael Matz <matz@suse.de>
813 * system.h (string, algorithm): Include only conditionally.
814 (new): Include always under C++.
815 * bb-reorder.c (toplevel): Define INCLUDE_ALGORITHM.
816 * final.c (toplevel): Ditto.
817 * ipa-chkp.c (toplevel): Define INCLUDE_STRING.
818 * genconditions.c (write_header): Make gencondmd.c define
820 * mem-stats.h (mem_usage::print_dash_line): Don't use std::string.
822 * config/aarch64/aarch64.c (toplevel): Define INCLUDE_STRING.
823 * common/config/aarch64/aarch64-common.c (toplevel): Ditto.
825 2016-01-22 Christian Bruel <christian.bruel@st.com>
828 * expr.c (expand_expr_real_1): Reset DECL_MODE if VECTOR_TYPE_P changed.
830 2016-01-22 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
833 * config/arm/thumb2.md (*thumb2_ior_scc_strict_it): Convert to
834 define_insn_and_split. Ensure operands[1] and operands[0] do not
835 get assigned the same register.
837 2016-01-22 Kugan Vivekanandarajah <kuganv@linaro.org>
839 * ipa-prop.c (ipa_set_jf_constant): Remove redundant unshare_expr.
841 2016-01-22 Christian Bruel <christian.bruel@st.com>
843 * config/arm/arm-c.c (arm_pragma_target_parse):
844 Remove warn_builtin_macro_redefined overwrite.
846 2016-01-22 Eric Botcazou <ebotcazou@adacore.com>
848 * ipa-inline.c (can_inline_edge_p): Back out overzealous check on
849 flag_non_call_exceptions compatibility.
851 2016-01-22 Jakub Jelinek <jakub@redhat.com>
854 * dwarf2out.c (add_child_die_after): New function.
855 (dwarf_qual_info_t): New type.
856 (dwarf_qual_info): New variable.
857 (qualified_die_p): New function.
858 (modified_type_die): For -fdebug-types-section, ensure
859 canonical order of qualifiers. Put qualified DIEs adjacent
860 to the corresponding non-qualified type DIE and search there
861 for existing qualified DIEs.
863 2016-01-22 Eric Botcazou <ebotcazou@adacore.com>
865 * doc/extend.texi (scalar_storage_order type attribute): Document
866 restriction on type punning and aliasing, and remove future tense.
868 2016-01-21 Roman Zhuykov <zhroma@ispras.ru>
871 * modulo-sched.c (optimize_sc): Allow branch-scheduling to add a new
874 2016-01-21 Jeff Law <law@redhat.com>
877 * tree-ssa-dom.c (dom_opt_dom_walker::thread_across_edge): Avoid
878 useless call to record_temporary_equivalences.
879 * tree-ssa-threadbackward.c (find_jump_threads_backwards): Just
880 allocate 10 slots in the bb_path vector and let it grow as needed.
881 (fsm_find_control_statement_thread_paths): Similarly for the next_path
884 2016-01-21 David Edelsohn <dje.gcc@gmail.com>
886 * configure.ac (gcc_cv_as_powerpc_mfcrf, gcc_cv_as_machine_directive):
888 * configure: Regenerate.
890 2016-01-21 Pat Haugen <pthaugen@us.ibm.com>
892 * config/rs6000/aix71.h (ASM_CPU_SPEC): Add entry for Power9.
893 * config/rs6000/driver-rs6000.c (struct asm_names): Likewise.
895 2016-01-21 Bernd Schmidt <bschmidt@redhat.com>
898 * expr.c (expand_expr_real_2) [PLUS_EXPR, MINUS_EXPR]: Don't
899 drop EXPAND_INITIALIZER.
900 * rtl.h (contains_symbolic_reference_p): Declare.
901 * rtlanal.c (contains_symbolic_reference_p): New function.
902 * simplify-rtx.c (simplify_binary_operation_1): Don't turn
903 a subtraction into a NOT if symbolic constants are involved.
905 2016-01-21 Anton Blanchard <anton@samba.org>
906 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
909 * config/rs6000/linux64.h (TARGET_KEEP_LEAF_WHEN_PROFILED): New
911 * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled): New
914 2016-01-21 Ajit Agarwal <ajitkum@xilinx.com>
916 * config/microblaze/microblaze.c
917 (get_branch_target): New.
918 (insert_wic_for_ilb_runout): New.
920 (microblaze_machine_dependent_reorg): New.
921 (TARGET_MACHINE_DEPENDENT_REORG): Define macro.
922 * config/microblaze/microblaze.md
923 (UNSPEC_IPREFETCH): Define.
924 (iprefetch): New pattern
925 * config/microblaze/microblaze.opt
926 (mxl-prefetch): New flag.
928 2016-01-21 Ajit Agarwal <ajitkum@xilinx.com>
930 * config/microblaze/microblaze.h
931 (FIXED_REGISTERS): Update in macro.
932 (CALL_USED_REGISTERS): Update in macro.
934 2016-01-21 Yuri Rumyantsev <ysrumyan@gmail.com>
936 PR rtl-optimization/68920
937 * ifcvt.c (cond_move_process_if_block): Limit number of conditional
940 2016-01-21 Vladimir Makarov <vmakarov@redhat.com>
942 PR rtl-optimization/68990
943 * lra-coalesce.c (lra_coalesce): Invalidate value for the result
944 pseudo instead of inheritance ones.
946 2016-01-21 Bernd Edlinger <bernd.edlinger@hotmail.de>
947 Nick Clifton <nickc@redhat.com>
951 * config/mips/mips.c (mips_compute_frame_info): Initialise
952 args_size and hard_frame_pointer_offset fields of the frame
953 structure before calling mips_global_pointer.
955 2016-01-21 David Edelsohn <dje.gcc@gmail.com>
957 * configure.ac (gcc_cv_as_dwloc): Test support for debug frame section
959 * configure: Regenerate.
961 2016-01-21 Richard Biener <rguenther@suse.de>
963 * graphite-optimize-isl.c (get_schedule_map): Fix typo.
965 2016-01-21 Marcin Kościelnicki <koriakin@0x04.net>
967 * config/s390/s390.c (s390_asm_declare_function_size): Add code
968 to actually emit the .size directive.
970 2016-01-21 Stefan Sørensen <stefan.sorensen@spectralink.com>
971 Jakub Jelinek <jakub@redhat.com>
975 * config/arm/arm-builtins.c (arm_expand_neon_builtin): Increase
976 args array size by one to avoid buffer overflow.
978 2016-01-21 Marcin Kościelnicki <koriakin@0x04.net>
980 * config/s390/s390.md (pool_section_start): Use switch_to_section
981 to select proper read-only data section instead of hardcoding
983 (pool_section_end): Use switch_to_section to match the above.
985 2016-01-21 Richard Biener <rguenther@suse.de>
987 PR tree-optimization/69378
988 * tree-ssa-sccvn.c (dominated_by_p_w_unex): New function.
989 (set_ssa_val_to): Use it for dominance checks taking into
990 account not executable edges.
992 2016-01-21 Jakub Jelinek <jakub@redhat.com>
995 * tree-dfa.c (get_ref_base_and_extent): Use GET_MODE_BITSIZE (mode)
996 for bitsize instead of GET_MODE_PRECISION (mode).
998 2016-01-20 Martin Sebor <msebor@redhat.com>
1001 * extend.texi (__sync Builtins): Clarify the semantics of
1002 __sync_fetch_and_OP built-ins on pointers.
1003 (__atomic Builtins): Same.
1005 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
1006 Sebastian Pop <s.pop@samsung.com>
1008 * graphite-isl-ast-to-gimple.c (enum phi_node_kind): New.
1009 (class translate_isl_ast_to_gimple): Use phi_node_kind instead of bool.
1010 (is_valid_rename): Same.
1011 (translate_isl_ast_to_gimple::get_rename): Same.
1012 (translate_isl_ast_to_gimple::rename_all_uses): Same.
1013 (translate_isl_ast_to_gimple::rename_uses): Same.
1014 (get_new_name): Check for close_phi nodes.
1015 (copy_loop_phi_args): Use phi_node_kind.
1016 (translate_isl_ast_to_gimple::copy_loop_close_phi_args): Same.
1017 (translate_isl_ast_to_gimple::copy_cond_phi_args): Same.
1019 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
1020 Sebastian Pop <s.pop@samsung.com>
1022 Revert commit r229783.
1023 * graphite-isl-ast-to-gimple.c (gcc_expression_from_isl_ast_expr_id):
1024 Remove use of parameter_rename_map.
1026 (copy_internal_parameters): Remove.
1027 (graphite_regenerate_ast_isl): Remove call to copy_internal_parameters.
1028 * sese.c (new_sese_info): Do not initialize parameter_rename_map.
1029 (free_sese_info): Do not free parameter_rename_map.
1030 (set_rename): Do not use parameter_rename_map.
1031 (rename_uses): Update call to set_rename.
1032 (graphite_copy_stmts_from_block): Do not use parameter_rename_map.
1033 * sese.h (parameter_rename_map_t): Remove.
1034 (struct sese_info_t): Remove field parameter_rename_map.
1036 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
1037 Sebastian Pop <s.pop@samsung.com>
1039 * graphite-isl-ast-to-gimple.c: Fix comment.
1040 * graphite-scop-detection.c (defined_in_loop_p): New.
1041 (canonicalize_loop_closed_ssa): Do not add close phi nodes for SSA
1042 names defined in loop.
1044 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
1045 Sebastian Pop <s.pop@samsung.com>
1047 * graphite-scop-detection.c (scop_detection::harmful_loop_in_region):
1048 Discard unstructured if-then-else regions.
1050 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
1051 Sebastian Pop <s.pop@samsung.com>
1053 * graphite-sese-to-poly.c (set_scop_parameter_dim): Remove.
1054 (cleanup_loop_iter_dom): Remove.
1055 (build_loop_iteration_domains): Remove.
1056 (build_scop_context): Remove.
1057 (build_scop_iteration_domain): Remove.
1058 (add_loop_constraints): New.
1059 (build_iteration_domains): New.
1060 (build_poly_scop): Call build_iteration_domains.
1062 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
1063 Sebastian Pop <s.pop@samsung.com>
1065 * graphite-scop-detection.c
1066 (scop_detection::harmful_loop_in_region): Free dom and loops.
1067 (scop_detection::loop_body_is_valid_scop): Free bbs.
1069 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
1070 Sebastian Pop <s.pop@samsung.com>
1072 * graphite-scop-detection.c (record_loop_in_sese): New.
1073 (gather_bbs::before_dom_children): Call record_loop_in_sese.
1074 (build_scops): Remove call to build_sese_loop_nests.
1075 * sese.c (sese_record_loop): Remove.
1076 (build_sese_loop_nests): Remove.
1077 (new_sese_info): Remove region->loops.
1078 (free_sese_info): Same.
1079 * sese.h (sese_contains_loop): Same.
1080 (build_sese_loop_nests): Remove.
1081 (sese_contains_loop): Remove.
1083 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
1084 Sebastian Pop <s.pop@samsung.com>
1086 * graphite-scop-detection.c (loop_is_valid_scop): Renamed
1087 loop_is_valid_in_scop.
1088 (scop_detection::harmful_stmt_in_region): Renamed
1089 harmful_loop_in_region.
1090 Call loop_is_valid_in_scop.
1092 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
1093 Sebastian Pop <s.pop@samsung.com>
1095 * graphite-isl-ast-to-gimple.c (translate_isl_ast): Also handle
1098 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
1099 Sebastian Pop <s.pop@samsung.com>
1101 * graphite-poly.c (new_poly_bb): Remove use of PBB_IS_REDUCTION.
1102 * graphite.h (struct poly_bb): Remove field is_reduction.
1103 (PBB_IS_REDUCTION): Remove.
1105 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
1106 Sebastian Pop <s.pop@samsung.com>
1108 * graphite-dependences.c (constrain_domain): Add call to isl_*_coalesce.
1109 (add_pdr_constraints): Same.
1110 (scop_get_reads): Same.
1111 (scop_get_must_writes): Same.
1112 (scop_get_may_writes): Same.
1113 (scop_get_original_schedule): Same.
1114 (extend_schedule): Same.
1115 (apply_schedule_on_deps): Same.
1116 (carries_deps): Same.
1117 (compute_deps): Same.
1118 (scop_get_dependences): Same.
1119 * graphite-isl-ast-to-gimple.c
1120 (translate_isl_ast_to_gimple::generate_isl_schedule): Same.
1121 * graphite-optimize-isl.c (get_schedule_for_band): Same.
1122 (get_schedule_for_band_list): Same.
1123 (get_schedule_map): Same.
1124 (apply_schedule_map_to_scop): Same.
1125 * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
1126 (build_loop_iteration_domains): Same.
1127 (add_condition_to_pbb): Same.
1128 (add_param_constraints): Same.
1129 (pdr_add_memory_accesses): Same.
1130 (pdr_add_data_dimensions): Same.
1132 2016-01-20 Sandra Loosemore <sandra@codesourcery.com>
1134 * doc/invoke.texi (Instrumentation Options): Clarify -mmpx linking
1137 2016-01-20 Sandra Loosemore <sandra@codesourcery.com>
1139 * common.opt (feliminate-dwarf2-dups): Replace references to
1140 "DWARF 2" with just "DWARF".
1141 * config/ia64/ia64.opt (mdwarf2-asm): Likewise.
1142 * doc/extend.texi: Likewise.
1143 * doc/cpp.texi: Likewise.
1144 * doc/invoke.texi: Likewise.
1145 (Option Summary): Add -gdwarf to list of Debugging Options.
1146 (Debugging Options): Document -gdwarf.
1147 * doc/contrib.texi: Spell "DWARF" like that.
1149 2016-01-21 Jakub Jelinek <jakub@redhat.com>
1151 * omp-low.c (expand_omp_target): Avoid -Wmaybe-uninitialized
1152 warning. Fix up formatting.
1155 * gimplify.c (gimplify_asm_expr): Warn if it is too late to
1156 attempt to mark memory input operand addressable and
1157 call prepare_gimple_addressable in that case. Don't adjust
1158 input_location for diagnostics, use error_at instead.
1160 2016-01-20 Peter Bergner <bergner@vnet.ibm.com>
1162 * config/rs6000/ppc-auxv.h: New file.
1163 * config/rs6000/rs6000-builtin.def (cpu_init): Add new builtin.
1165 (cpu_supports): Likewise.
1166 * config/rs6000/rs6000.c: include "ppc-auxv.h".
1167 (cpu_is_info): New variable.
1168 (cpu_supports_info): Likewise.
1169 (tcb_verification_symbol): Likewise.
1170 (cpu_builtin_p): Likewise.
1171 (cpu_expand_builtin): New function.
1172 (rs6000_expand_ternop_builtin): Add support for CPU builtin functions.
1173 (rs6000_init_builtins): Likewise.
1174 (rs6000_elf_file_end): Emit HWCAP in TCB verification symbol.
1175 * config/rs6000/rs6000.h (TLS_REGNUM): New define.
1176 * configure.ac (gcc_cv_libc_provides_hwcap_in_tcb): New test.
1177 * configure: Regenerate.
1178 * config.in: Likewise.
1179 * doc/extend.texi (PowerPC Built-in Functions): Document
1180 __builtin_cpu_init, __builtin_cpu_is and __builtin_cpu_supports.
1182 2016-01-20 David Edelsohn <dje.gcc@gmail.com>
1185 * config/rs6000/rs6000.c (rs6000_emit_swsqrt): Add vector sqrt
1187 * config/rs6000/vector.md (sqrt<mode>2): Call rs6000_emit_swsqrt
1190 2016-01-20 Richard Henderson <rth@redhat.com>
1196 * tree.c (tm_define_builtin): New.
1197 (find_tm_vector_type): New.
1198 (build_tm_vector_builtins): New.
1199 (build_common_builtin_nodes): Call it.
1201 2016-01-20 Christophe Lyon <christophe.lyon@linaro.org>
1203 * doc/sourcebuild.texi (arm_crypto_pragma_ok): Document new entry.
1204 (arm_fp_ok): Likewise.
1206 (arm_crypto): Likewise.
1208 2016-01-20 Ilya Enkovich <enkovich.gnu@gmail.com>
1209 Richard Biener <rguenther@suse.de>
1211 PR tree-optimization/69328
1212 * tree-vect-stmts.c (vect_is_simple_cond): Check compared
1213 vectors have same number of elements.
1214 (vectorizable_condition): Fix masked version recognition.
1216 2016-01-20 Richard Biener <rguenther@suse.de>
1218 PR tree-optimization/69345
1219 * tree-ssa-sccvn.h (VN_INFO_RANGE_INFO): New inline function.
1220 (VN_INFO_PTR_INFO): Likewise.
1221 * tree-ssa-sccvn.c (set_ssa_val_to): Avoid clearing points-to
1222 info when it is equal between non-dominating SSA names.
1223 * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
1224 Make sure to look at original SSA infos.
1226 2016-01-20 Jeff Law <law@redhat.com>
1229 * config/m68k/predicates.md (pow2_m1_operand): New predicate
1231 (reg_or_pow2_m1_operand): Call pow2_m1_operand.
1232 (pc_or_label_operand): New predicate.
1233 * config/m68k/m68k.md: Add new peephole2 patterns for GTU/LEU
1234 tests for small integers that are 2^n - 1.
1236 2016-01-20 Jonathan Wakely <jwakely@redhat.com>
1238 * doc/invoke.texi (Options Summary): Add '.' after @xref.
1240 2016-01-19 Jeff Law <law@redhat.com>
1243 * tree-ssa-threadbackwards.c
1244 (fsm_find_control_statement_thread_paths): Do not try to lookup
1245 FSM paths for SSA_NAMEs appearing in abnormal PHIs.
1247 2016-01-20 Kugan Vivekanandarajah <kuganv@linaro.org>
1249 * doc/lto.texi: Remove text that says only Gold has linker plugin
1252 2016-01-19 Eric Botcazou <ebotcazou@adacore.com>
1254 * dwarf2out.c (need_endianity_attribute_p): New inline predicate.
1255 (base_type_die): Add REVERSE parameter and attach DW_AT_endianity to
1256 the DIE accordingly.
1257 (modified_type_die): Add REVERSE parameter and pass it recursively,
1258 as well as to base_type_die. Adjust presence check accordingly.
1259 (base_type_for_mode): Adjust call to modified_type_die.
1260 (add_type_attribute): Add REVERSE parameter and pass it to
1262 (generic_parameter_die): Adjust call to add_type_attribute.
1263 (add_scalar_info): Likewise.
1264 (add_subscript_info): Likewise.
1265 (gen_array_type_die): Likewise.
1266 (gen_descr_array_type_die): Likewise.
1267 (gen_entry_point_die): Likewise.
1268 (gen_enumeration_type_die): Likewise.
1269 (gen_formal_parameter_die): Likewise.
1270 (gen_subprogram_die): Likewise.
1271 (gen_variable_die ): Likewise.
1272 (gen_const_die): Likewise.
1273 (gen_field_die): Likewise.
1274 (gen_pointer_type_die): Likewise.
1275 (gen_reference_type_die): Likewise.
1276 (gen_ptr_to_mbr_type_die): Likewise.
1277 (gen_inheritance_die): Likewise.
1278 (gen_subroutine_type_die): Likewise.
1279 (gen_typedef_die): Likewise.
1280 (force_type_die): Adjust call to modified_type_die.
1282 2016-01-19 Sandra Loosemore <sandra@codesourcery.com>
1284 * doc/standards.texi: Copy-editing for grammar, markup, and sentence
1285 flow throughout the file. Fix broken link to Objective-C 2.0
1287 * doc/invoke.texi: More copy-editing; fix numerous typos and spelling
1290 2016-01-19 Wilco Dijkstra <wdijkstr@arm.com>
1292 * ccmp.c (expand_ccmp_expr_1): Avoid spurious unused warnings.
1294 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
1297 * ipa-devirt.c (is_cxa_pure_virtual_p): New function.
1298 (maybe_record_node): Record cxa_pure_virtual as the only possible
1299 target if there are not ohter candidates.
1300 (possible_polymorphic_call_target_p): Accept cxa_pure_virtual.
1302 2016-01-19 Richard Biener <rguenther@suse.de>
1304 * hsa-gen.c (get_memory_order_name): Use MEMMODEL_ constants.
1305 (get_memory_order): Likewise.
1307 2016-01-19 Kirill Yukhin <kirill.yukhin@intel.com>
1309 * tree-vect-stmts.c (vectorizable_store): Check
1312 2016-01-19 David Malcolm <dmalcolm@redhat.com>
1315 * gcc.c (driver::decode_argv): Add call to
1316 init_opts_obstack before init_options_struct.
1317 * opts.c (init_opts_obstack): Remove idempotency.
1318 (init_options_struct): Replace call to init_opts_obstack
1319 with a gcc_assert to verify that it has already been called.
1320 * toplev.c (toplev::main): Add call to init_opts_obstack before
1321 calls to init_options_struct.
1322 (toplev::finalize): Move cleanup of opts_obstack next to
1323 cleanup of save_decoded_options, clearing the latter, and
1324 save_decoded_options_count.
1326 2016-01-19 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1329 * config/arm/vfp.md (l<vrint_pattern><su_optab><mode>si2): Set "conds"
1330 attribute to unconditional. Remove %? from output template.
1332 2015-01-19 Wilco Dijkstra <wdijkstr@arm.com>
1333 Jiong Wang <jiong.wang@arm.com>
1335 * ccmp.c (expand_ccmp_expr_1): Cost the instruction sequences
1336 generated from different expand order.
1338 2015-01-19 Wilco Dijkstra <wdijkstr@arm.com>
1340 * /config/aarch64/aarch64.c (aarch64_if_then_else_costs):
1341 Add support for CCMP costing.
1343 2015-01-19 Wilco Dijkstra <wdijkstr@arm.com>
1345 * ccmp.c (ccmp_candidate_p): Remove integer-only restriction.
1346 * config/aarch64/aarch64.md (fccmp<mode>): New pattern.
1347 (fccmpe<mode>): Likewise.
1348 (fcmp): Rename to fcmp and globalize pattern.
1350 * config/aarch64/aarch64.c (aarch64_gen_ccmp_first): Add FP support.
1351 (aarch64_gen_ccmp_next): Add FP support.
1353 2015-01-19 Wilco Dijkstra <wdijkstr@arm.com>
1355 * target.def (gen_ccmp_first): Update documentation.
1356 (gen_ccmp_next): Likewise.
1357 * doc/tm.texi (gen_ccmp_first): Update documentation.
1358 (gen_ccmp_next): Likewise.
1359 * ccmp.c (expand_ccmp_expr): Extract cmp_code from return value of
1360 expand_ccmp_expr_1. Improve comments.
1361 * config/aarch64/aarch64.md (ccmp_and): Use if_then_else for ccmp.
1362 (ccmp_ior<mode>): Remove pattern.
1363 (cmp<mode>): Remove expand.
1364 (cmp): Globalize pattern.
1365 (cstorecc4): Use cc_register.
1366 (mov<mode>cc): Remove ccmp_cc_register check.
1367 * config/aarch64/aarch64.c (aarch64_get_condition_code_1):
1368 Simplify after removal of CC_DNE/* modes.
1369 (aarch64_ccmp_mode_to_code): Remove.
1370 (aarch64_print_operand): Remove 'K' case. Merge 'm' and 'M' cases.
1371 In 'k' case use integer as condition.
1372 (aarch64_nzcv_codes): Remove inverted cases.
1373 (aarch64_code_to_ccmode): Remove.
1374 (aarch64_gen_ccmp_first): Use cmp pattern directly. Return the correct
1375 comparison with CC register to be used in folowing CCMP/branch/CSEL.
1376 (aarch64_gen_ccmp_next): Use previous comparison and mode in CCMP
1377 pattern. Return the comparison with CC register. Invert conditions
1379 * config/aarch64/aarch64-modes.def: Remove CC_DNE/* modes.
1380 * config/aarch64/predicates.md (ccmp_cc_register): Remove.
1382 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
1384 * cgraphunit.c (cgraph_node::reset): Clear thunk info and
1385 instrumented_version.
1387 2016-01-19 Richard Biener <rguenther@suse.de>
1389 PR tree-optimization/69336
1390 * tree-ssa-scopedtables.c (avail_expr_hash): Handle all
1391 handled components with get_ref_base_and_extent.
1392 (equal_mem_array_ref_p): Adjust.
1394 2016-01-19 Jakub Jelinek <jakub@redhat.com>
1397 * shrink-wrap.c: Include valtrack.h.
1398 (move_insn_for_shrink_wrap): Add DEBUG argument. If
1399 MAY_HAVE_DEBUG_INSNS, call dead_debug_add on DEBUG_INSNs
1400 in between insn and where it will be moved to. Call
1401 dead_debug_insert_temp.
1402 (prepare_shrink_wrap): Adjust caller. Call dead_debug_local_init
1403 first and dead_debug_local_finish at the end.
1404 For uses and defs bitmap, handle all regs in between REGNO and
1405 END_REGNO, not just the first one.
1407 2016-01-19 Richard Biener <rguenther@suse.de>
1409 PR tree-optimization/69352
1410 * tree-ssa-scopedtables.c (avail_expr_hash): Check for size == -1.
1411 (equal_mem_array_ref_p): Constrain size and max size properly.
1412 Compare the reverse flag.
1414 2016-01-19 Bernd Schmidt <bschmidt@redhat.com>
1416 * ira.c (ira): Update regstat data if we deleted insns.
1418 2016-01-19 Jakub Jelinek <jakub@redhat.com>
1420 PR rtl-optimization/68955
1421 PR rtl-optimization/64557
1422 * dse.c (record_store, check_mem_read_rtx): Don't call get_addr
1423 here. Fix up formatting.
1424 * alias.c (get_addr): Handle VALUE +/- CONST_SCALAR_INT_P.
1426 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
1429 * cgraphunit.c (cgraph_node::expand_thunk): When forcing gimple
1430 assume that the node has body.
1431 * cgraph.c (cgraph_node::get_untransformed_body): Use gimple_body_p
1434 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
1436 * lto-streamer-out.c (lto_output): Do not stream instrumentation
1439 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
1441 * symtab.c (symtab_node::asm_name): Do not call printable name directly.
1442 (symtab_node::name): Report name as unnamed if DECL_NAME is not set.
1444 2016-01-19 Martin Jambor <mjambor@suse.cz>
1445 Martin Liska <mliska@suse.cz>
1446 Michael Matz <matz@suse.de>
1448 * Makefile.in (OBJS): Add new source files.
1449 (GTFILES): Add hsa.c.
1450 * common.opt (disable_hsa): New variable.
1451 (-Whsa): New warning.
1452 * config.in (ENABLE_HSA): New.
1453 * configure.ac: Treat hsa differently from other accelerators.
1454 (OFFLOAD_TARGETS): Define ENABLE_OFFLOADING according to
1456 (ENABLE_HSA): Define ENABLE_HSA according to $enable_hsa.
1457 * doc/install.texi (Configuration): Document --with-hsa-runtime,
1458 --with-hsa-runtime-include, --with-hsa-runtime-lib and
1460 * doc/invoke.texi (-Whsa): Document.
1461 (hsa-gen-debug-stores): Likewise.
1462 * lto-wrapper.c (compile_images_for_offload_targets): Do not attempt
1463 to invoke offload compiler for hsa acclerator.
1464 * opts.c (common_handle_option): Determine whether HSA offloading
1465 should be performed.
1466 * params.def (PARAM_HSA_GEN_DEBUG_STORES): New parameter.
1467 * builtin-types.def (BT_FN_VOID_UINT_PTR_INT_PTR): New.
1468 (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_INT_INT): Removed.
1469 (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_PTR): New.
1470 * gimple-low.c (lower_stmt): Also handle GIMPLE_OMP_GRID_BODY.
1471 * gimple-pretty-print.c (dump_gimple_omp_for): Also handle
1472 GF_OMP_FOR_KIND_GRID_LOOP.
1473 (dump_gimple_omp_block): Also handle GIMPLE_OMP_GRID_BODY.
1474 (pp_gimple_stmt_1): Likewise.
1475 * gimple-walk.c (walk_gimple_stmt): Likewise.
1476 * gimple.c (gimple_build_omp_grid_body): New function.
1477 (gimple_copy): Also handle GIMPLE_OMP_GRID_BODY.
1478 * gimple.def (GIMPLE_OMP_GRID_BODY): New.
1479 * gimple.h (enum gf_mask): Added GF_OMP_PARALLEL_GRID_PHONY,
1480 GF_OMP_FOR_KIND_GRID_LOOP, GF_OMP_FOR_GRID_PHONY and
1481 GF_OMP_TEAMS_GRID_PHONY.
1482 (gimple_statement_omp_single_layout): Updated comments.
1483 (gimple_build_omp_grid_body): New function.
1484 (gimple_has_substatements): Also handle GIMPLE_OMP_GRID_BODY.
1485 (gimple_omp_for_grid_phony): New function.
1486 (gimple_omp_for_set_grid_phony): Likewise.
1487 (gimple_omp_parallel_grid_phony): Likewise.
1488 (gimple_omp_parallel_set_grid_phony): Likewise.
1489 (gimple_omp_teams_grid_phony): Likewise.
1490 (gimple_omp_teams_set_grid_phony): Likewise.
1491 (gimple_return_set_retbnd): Also handle GIMPLE_OMP_GRID_BODY.
1492 * omp-builtins.def (BUILT_IN_GOMP_OFFLOAD_REGISTER): New.
1493 (BUILT_IN_GOMP_OFFLOAD_UNREGISTER): Likewise.
1494 (BUILT_IN_GOMP_TARGET): Updated type.
1495 * omp-low.c: Include symbol-summary.h, hsa.h and params.h.
1496 (adjust_for_condition): New function.
1497 (get_omp_for_step_from_incr): Likewise.
1498 (extract_omp_for_data): Moved parts to adjust_for_condition and
1499 get_omp_for_step_from_incr.
1500 (build_outer_var_ref): Handle GIMPLE_OMP_GRID_BODY.
1501 (fixup_child_record_type): Bail out if receiver_decl is NULL.
1502 (scan_sharing_clauses): Handle OMP_CLAUSE__GRIDDIM_.
1503 (scan_omp_parallel): Do not create child functions for phony
1505 (check_omp_nesting_restrictions): Handle GIMPLE_OMP_GRID_BODY.
1506 (scan_omp_1_op): Checking assert we are not remapping to
1507 ERROR_MARK. Also also handle GIMPLE_OMP_GRID_BODY.
1508 (parallel_needs_hsa_kernel_p): New function.
1509 (expand_parallel_call): Register apprpriate parallel child
1510 functions as HSA kernels.
1511 (grid_launch_attributes_trees): New type.
1512 (grid_attr_trees): New variable.
1513 (grid_create_kernel_launch_attr_types): New function.
1514 (grid_insert_store_range_dim): Likewise.
1515 (grid_get_kernel_launch_attributes): Likewise.
1516 (get_target_argument_identifier_1): Likewise.
1517 (get_target_argument_identifier): Likewise.
1518 (get_target_argument_value): Likewise.
1519 (push_target_argument_according_to_value): Likewise.
1520 (get_target_arguments): Likewise.
1521 (expand_omp_target): Call get_target_arguments instead of looking
1522 up for teams and thread limit.
1523 (grid_expand_omp_for_loop): New function.
1524 (grid_arg_decl_map): New type.
1525 (grid_remap_kernel_arg_accesses): New function.
1526 (grid_expand_target_kernel_body): New function.
1527 (expand_omp): Call it.
1528 (lower_omp_for): Do not emit phony constructs.
1529 (lower_omp_taskreg): Do not emit phony constructs but create for them
1530 a temporary variable receiver_decl.
1531 (lower_omp_taskreg): Do not emit phony constructs.
1532 (lower_omp_teams): Likewise.
1533 (lower_omp_grid_body): New function.
1534 (lower_omp_1): Call it.
1535 (grid_reg_assignment_to_local_var_p): New function.
1536 (grid_seq_only_contains_local_assignments): Likewise.
1537 (grid_find_single_omp_among_assignments_1): Likewise.
1538 (grid_find_single_omp_among_assignments): Likewise.
1539 (grid_find_ungridifiable_statement): Likewise.
1540 (grid_target_follows_gridifiable_pattern): Likewise.
1541 (grid_remap_prebody_decls): Likewise.
1542 (grid_copy_leading_local_assignments): Likewise.
1543 (grid_process_kernel_body_copy): Likewise.
1544 (grid_attempt_target_gridification): Likewise.
1545 (grid_gridify_all_targets_stmt): Likewise.
1546 (grid_gridify_all_targets): Likewise.
1547 (execute_lower_omp): Call grid_gridify_all_targets.
1548 (make_gimple_omp_edges): Handle GIMPLE_OMP_GRID_BODY.
1549 * tree-core.h (omp_clause_code): Added OMP_CLAUSE__GRIDDIM_.
1550 (tree_omp_clause): Added union field dimension.
1551 * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE__GRIDDIM_.
1552 * tree.c (omp_clause_num_ops): Added number of arguments of
1553 OMP_CLAUSE__GRIDDIM_.
1554 (omp_clause_code_name): Added name of OMP_CLAUSE__GRIDDIM_.
1555 (walk_tree_1): Handle OMP_CLAUSE__GRIDDIM_.
1556 * tree.h (OMP_CLAUSE_GRIDDIM_DIMENSION): New.
1557 (OMP_CLAUSE_SET_GRIDDIM_DIMENSION): Likewise.
1558 (OMP_CLAUSE_GRIDDIM_SIZE): Likewise.
1559 (OMP_CLAUSE_GRIDDIM_GROUP): Likewise.
1560 * passes.def: Schedule pass_ipa_hsa and pass_gen_hsail.
1561 * tree-pass.h (make_pass_gen_hsail): Declare.
1562 (make_pass_ipa_hsa): Likewise.
1563 * ipa-hsa.c: New file.
1564 * lto-section-in.c (lto_section_name): Add hsa section name.
1565 * lto-streamer.h (lto_section_type): Add hsa section.
1566 * timevar.def (TV_IPA_HSA): New.
1567 * hsa-brig-format.h: New file.
1568 * hsa-brig.c: New file.
1569 * hsa-dump.c: Likewise.
1570 * hsa-gen.c: Likewise.
1573 * toplev.c (compile_file): Call hsa_output_brig.
1574 * hsa-regalloc.c: New file.
1576 2016-01-18 Jeff Law <law@redhat.com>
1578 PR tree-optimization/69320
1579 * tree-ssa-dom.c (record_edge_info): For comparisons against a boolean
1580 ranged object, do nothing if the RHS constant is not [0..1].
1581 (optimize_stmt): Comparing a boolean ranged object against a
1582 constant outside [0..1] results in a compile-time constant.
1584 * tree-ssanames.c (ssa_name_has_boolean_range): Remove unnecessary
1587 2016-01-18 Sandra Loosemore <sandra@codesourcery.com>
1589 * doc/invoke.texi (Invoking GCC): Add new section to menu.
1590 (Option Summary): Update to reflect new section and moved options.
1591 (C++ Dialect Options): Move -fstats to new section.
1592 (Debugging Options): Move all dump, statistics, and other GCC
1593 developer options to new section. Rewrite section introduction
1594 and re-order remaining options to put the more basic ones first.
1595 (Optimization Options): Move -fira-verbose and -flto-report* to
1597 (Developer Options): New section incorporating moved options.
1598 * doc/cppopts.texi (-dM): Update cross-reference.
1600 2016-01-18 Richard Henderson <rth@redhat.com>
1603 * config/aarch64/aarch64.md (add<GPI>3): Move long immediate
1604 operands to pseudo only if CSE is expected. Split long immediate
1605 operands only after reload, and for the stack pointer.
1606 (*add<GPI>3_pluslong): Remove.
1607 (*addsi3_aarch64, *adddi3_aarch64): Merge into...
1608 (*add<GPI>3_aarch64): ... here. Add r/rk/Upl alternative.
1609 (*addsi3_aarch64_uxtw): Add r/rk/Upl alternative.
1610 (*add<GPI>3 peepholes): New.
1611 (*add<GPI>3 splitters): New.
1612 * config/aarch64/constraints.md (Upl): New.
1613 * config/aarch64/predicates.md (aarch64_pluslong_strict_immedate): New.
1615 2016-01-18 Richard Biener <rguenther@suse.de>
1617 PR tree-optimization/69297
1618 * tree-vect-slp.c (vect_bb_slp_scalar_cost): Count each scalar
1620 (vect_bb_vectorization_profitable_p): Clear visited flag again.
1622 2016-01-18 Yuri Rumyantsev <ysrumyan@gmail.com>
1625 * fold-const.c (fold_binary_op_with_conditional_arg): Bail out for case
1626 of mixind vector and scalar types.
1627 (fold_relational_const): Add handling of vector
1628 comparison with boolean result.
1629 * tree-cfg.c (verify_gimple_comparison): Add argument CODE, allow
1630 comparison of vector operands with boolean result for EQ/NE only.
1631 (verify_gimple_assign_binary): Adjust call for verify_gimple_comparison.
1632 (verify_gimple_cond): Likewise.
1633 * tree-vrp.c (extract_code_and_val_from_cond_with_ops): Modify check on
1636 2016-01-18 Joseph Myers <joseph@codesourcery.com>
1638 * config/mips/mips.h (ISA_HAS_PAIRED_SINGLE): Require
1641 2016-01-18 Richard Biener <rguenther@suse.de>
1644 * gimple.c (gimple_could_trap_p_1): Handle GIMPLE_COND.
1646 2016-01-18 Tom de Vries <tom@codesourcery.com>
1648 * passes.def: Add pass_parallelize_loops to pass_oacc_kernels.
1650 2016-01-18 Tom de Vries <tom@codesourcery.com>
1652 * omp-low.c (set_oacc_fn_attrib): Make extern.
1653 * omp-low.h (set_oacc_fn_attrib): Declare.
1654 * tree-parloops.c (struct reduction_info): Add reduc_addr field.
1655 (create_call_for_reduction_1): Handle case that reduc_addr is non-NULL.
1656 (create_parallel_loop, gen_parallel_loop, try_create_reduction_list):
1657 Add and handle function parameter oacc_kernels_p.
1658 (find_reduc_addr, get_omp_data_i_param): New function.
1659 (ref_conflicts_with_region, oacc_entry_exit_ok_1)
1660 (oacc_entry_exit_single_gang, oacc_entry_exit_ok): New function.
1661 (parallelize_loops): Add and handle function parameter oacc_kernels_p.
1662 Calculate dominance info. Skip loops that are not in a kernels region
1663 in oacc_kernels_p mode. Skip inner loops of parallelized loops.
1664 (pass_parallelize_loops::execute): Call parallelize_loops with
1665 oacc_kernels_p argument.
1666 (pass_parallelize_loops::clone, pass_parallelize_loops::set_pass_param):
1667 New member function.
1668 (pass_parallelize_loops::bool oacc_kernels_p): New member var.
1669 * passes.def: Add argument to pass_parallelize_loops instantation.
1671 2016-01-18 Tom de Vries <tom@codesourcery.com>
1673 * tree-parloops.c (pass_parallelize_loops::execute): Allow
1674 pass_parallelize_loops to be run outside the loop pipeline.
1676 2016-01-18 Alan Lawrence <alan.lawrence@arm.com>
1678 * tree-scalar-evolution.c (follow_copies_to_constant): New.
1679 (analyze_initial_condition, analyze_scalar_evolution_1): Call previous.
1681 2016-01-18 Alan Lawrence <alan.lawrence@arm.com>
1684 * tree-ssa-scopedtables.c (avail_expr_hash): Hash MEM_REF and ARRAY_REF
1685 using get_ref_base_and_extent.
1686 (equal_mem_array_ref_p): New.
1687 (hashable_expr_equal_p): Add call to previous.
1689 2016-01-18 Alan Lawrence <alan.lawrence@arm.com>
1692 * tree-sra.c (disqualified_constants, constant_decl_p): New.
1693 (sra_initialize): Allocate disqualified_constants.
1694 (sra_deinitialize): Free disqualified_constants.
1695 (disqualify_candidate): Update disqualified_constants when appropriate.
1696 (create_access): Scan for constant-pool entries as we go along.
1697 (scalarizable_type_p): Add check against type_contains_placeholder_p.
1698 (maybe_add_sra_candidate): Allow constant-pool entries.
1699 (load_assign_lhs_subreplacements): Bind debug for constant pool vars.
1700 (initialize_constant_pool_replacements): New.
1701 (sra_modify_assign): Avoid mangling assignments created by previous,
1702 and don't generate writes into constant pool.
1703 (sra_modify_function_body): Call initialize_constant_pool_replacements.
1705 2016-01-18 Ilya Enkovich <enkovich.gnu@gmail.com>
1707 * config/i386/i386.c (scalar_to_vector_candidate_p): Support
1709 (scalar_chain::convert_op): Likewise.
1710 * config/i386/i386.md (*andndi3_doubleword): New.
1712 2016-01-18 Richard Biener <rguenther@suse.de>
1714 PR tree-optimization/69170
1715 * tree-vect-slp.c (vect_build_slp_tree): Verify we are not
1716 building a vector from scalar results of a pattern stmt.
1718 2016-01-18 Jakub Jelinek <jakub@redhat.com>
1720 * haifa-sched.c (autopref_multipass_init): Work around
1721 -Wmaybe-uninitialized warning.
1723 2016-01-18 Thomas Preud'homme <thomas.preudhomme@arm.com>
1725 * config/arm/arm.c (thumb1_reorg): Check that the comparison is
1726 against the constant 0.
1728 2016-01-17 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1730 PR tree-optimization/68799
1731 * gimple-ssa-strength-reduction.c (create_phi_basis): Directly
1732 look up phi candidates in the statement-candidate map.
1733 (phi_add_costs): Likewise.
1734 (record_phi_increments): Likewise.
1735 (phi_incr_cost): Likewise.
1736 (ncd_with_phi): Likewise.
1737 (all_phi_incrs_profitable): Likewise.
1739 2016-01-17 Jakub Jelinek <jakub@redhat.com>
1741 * omp-low.c (mark_loops_in_oacc_kernels_region): Work around
1742 -Wmaybe-uninitialized warning.
1744 2016-01-16 Sandra Loosemore <sandra@codesourcery.com>
1746 * doc/invoke.texi (Invoking GCC): Add new section to menu.
1747 (Option Summary): Update to reflect new section and moved options.
1748 (C++ Dialect Options): Move -fvtable-verify and related options.
1749 (Debugging Options): Move Sanitizer, Pointer Bounds Checker,
1750 and profiling-related options.
1751 (Optimization Options): Move profile generation options and
1752 -fstack-protector and related options.
1753 (Instrumentation Options): New section incorporating moved options.
1754 (Code Generation Options): Move -finstrument-functions and
1755 related options, -fstack-check, -fstack-limit*, and -fbounds-check.
1757 2016-01-16 Tom de Vries <tom@codesourcery.com>
1759 * passes.def: Move pass_expand_omp_ssa out of pass_parallelize_loops.
1761 2016-01-16 Tom de Vries <tom@codesourcery.com>
1763 * omp-low.c (expand_omp_atomic_fetch_op): Release defs of update stmt.
1765 2016-01-16 Richard Sandiford <richard.sandiford@arm.com>
1767 * hash-table.h (hash_table::empty): Turn into an inline wrapper
1768 that checks whether the table is already empty. Rename the
1769 original implementation to...
1770 (hash_table::empty_slot): ...this new private function.
1772 2016-01-15 David Malcolm <dmalcolm@redhat.com>
1775 * diagnostic-show-locus.c (layout::print_source_line): Move x
1776 offset of line until after call to
1777 get_line_width_without_trailing_whitespace.
1779 2016-01-15 Jeff Law <law@redhat.com>
1781 PR tree-optimization/69270
1782 * tree-ssanames.c (ssa_name_has_boolean_range): Moved here from
1783 tree-ssa-dom.c. Improve test for [0..1] ranve from VRP.
1784 * tree-ssa-dom.c (ssa_name_has_boolean_range): Remove.
1785 * tree-ssanames.h (ssa_name_has_boolean_range): Prototype.
1786 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
1787 ssa_name_has_boolean_range and constant_boolean_node.
1789 2016-01-15 Vladimir Makarov <vmakarov@redhat.com>
1791 PR rtl-optimization/69030
1792 * lra-spills.c (remove_pseudos): Check nrefs and make the function
1794 (spill_pseudos): Delete debug insn for dead pseudo.
1795 (lra_spill): Initiate spill_hard_reg and slots memory separately.
1797 2016-01-15 Jiong Wang <jiong.wang@arm.com>
1799 * config/aarch64/aarch64-builtins.c (aarch64_types_unopus_qualifiers):
1801 (TYPES_UNOPUS): Likewise.
1802 * config/aarch64/aarch64-simd-builtins.def (lbtruncuv2sf): Correct
1803 builtin type, from UNOP to UNOPUS.
1804 (lbtruncuv4sf): Likewise.
1805 (lbtruncuv2df): Likewise.
1806 (lrounduv2sf): Likewise.
1807 (lrounduv4sf): Likewise.
1808 (lrounduv2df): Likewise.
1809 (lroundusf): Likewise.
1810 (lroundusf): Likewise.
1811 (lceiluv2sf): Likewise.
1812 (lceiluv4sf): Likewise.
1813 (lceiluv2df): Likewise.
1814 (lceilusf): Likewise.
1815 (lceiludf): Likewise.
1816 (lflooruv2sf): Likewise.
1817 (lflooruv4sf): Likewise.
1818 (lflooruv2df): Likewise.
1819 (lfloorusf): Likewise.
1820 (lfloorudf): Likewise.
1821 (lfrintnuv2sf): Likewise.
1822 (lfrintnuv4sf): Likewise.
1823 (lfrintnuv2df): Likewise.
1824 (lfrintnusf): Likewise.
1825 (lfrintnudf): Likewise.
1826 * config/aarch64/arm_neon.h (vcvt_u32_f32): Remove unncessary type
1828 (vcvtq_u32_f32): Likewise.
1829 (vcvtq_u64_f64): Likewise.
1830 (vcvta_u32_f32): Likewise.
1831 (vcvtaq_u32_f32): Likewise.
1832 (vcvtaq_u64_f64): Likewise.
1833 (vcvtm_u32_f32): Likewise.
1834 (vcvtmq_u32_f32): Likewise.
1835 (vcvtmq_u64_f64): Likewise.
1836 (vcvtn_u32_f32): Likwise.
1837 (vcvtnq_u32_f32): Likewise.
1838 (vcvtnq_u64_f64): Likewise.
1839 (vcvtp_u32_f32): Likewise.
1840 (vcvtpq_u32_f32): Likewise.
1841 (vcvtpq_u64_f64): Likewise.
1842 (vcvtmd_u64_f64): Likewise.
1843 (vcvtms_u32_f32): Likewise.
1844 (vcvtad_u64_f64): Likewise.
1845 (vcvtas_u32_f32): Likewise.
1846 (vcvtnd_u64_f64): Likewise.
1847 (vcvtns_u32_f32): Likewise.
1848 (vcvtpd_u64_f64): Likewise.
1849 (vcvtps_u32_f32): Likewise.
1851 2016-01-15 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1853 * config/aarch64/aarch64.c (aarch64_if_then_else_costs): Handle
1854 CSEL of zero_extended registers.
1856 2016-01-15 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1858 * config/aarch64/aarch64.c (aarch64_rtx_costs, COMPARE case):
1859 Handle COMPARE of ZERO_EXTRACT against zero form of TST-immediate.
1861 2016-01-15 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1863 * config/aarch64/aarch64.c (aarch64_process_one_target_attr): Return
1864 false when argument string is not found in the attributes table
1867 2016-01-15 David Edelsohn <dje.gcc@gmail.com>
1870 * config/rs6000/rs6000.c (rs6000_emit_msub): Delete.
1871 (rs6000_emit_swsqrt): Convert to Goldschmidt's Algorithm
1872 * config/rs6000/rs6000.md (sqrt<mode>2): Limit swsqrt to high
1875 2016-01-15 Richard Biener <rguenther@suse.de>
1877 PR tree-optimization/66856
1878 * tree-vect-loop.c (vect_transform_loop): Free SLP instances here.
1879 * tree-vect-slp.c (vect_free_slp_tree): Decrement stmt reference count.
1880 (vect_create_new_slp_node): Increment stmt reference count.
1881 (vect_get_and_check_slp_defs): Make sure stmts are nor already in
1882 an SLP tree before swapping operands.
1883 (vect_build_slp_tree): Likewise.
1884 (destroy_bb_vec_info): Free stmt info after SLP instances.
1885 * tree-vect-stmts.c (new_stmt_vec_info): Initialize reference count.
1886 * tree-vectorizer.h (struct _stmt_vec_info): Add num_slp_uses field.
1887 (STMT_VINFO_NUM_SLP_USES): New macro.
1889 2016-01-15 Richard Biener <rguenther@suse.de>
1892 * dwarf2out.c (add_linkage_name_raw): New function split out from ...
1893 (add_linkage_name): ... here.
1894 (gen_typedef_die): Use add_linkage_name_raw instead of
1895 add_linkage_attr to delay DECL_ASSEMBLER_NAME computation
1898 2016-01-15 Cesar Philippidis <cesar@codesourcery.com>
1900 * gimplify.c (oacc_default_clause): Decode reference and pointer
1901 types for both kernels and parallel regions.
1903 2016-01-15 Richard Sandiford <richard.sandiford@arm.com>
1906 * calls.c (emit_call_1): Force n_popped to zero for sibcalls.
1908 2016-01-15 Ilya Enkovich <enkovich.gnu@gmail.com>
1910 * config/i386/i386.c (scalar_chain::compute_convert_gain): Fix typo.
1911 (convert_scalars_to_vector): Likewise.
1913 2016-01-15 Jonathan Wakely <jwakely@redhat.com>
1915 * doc/extend.texi (Type Traits): Fix grammar.
1917 2016-01-15 Martin Jambor <mjambor@suse.cz>
1919 * tree-inline.c (remap_decl): Use existing dclarations if
1920 remapping a type and prevent_decl_creation_for_types.
1921 (replace_locals_stmt): Do an initial remapping of non-VLA typed
1922 decls first. Do real remapping with
1923 prevent_decl_creation_for_types set.
1924 * tree-inline.h (copy_body_data): New field
1925 prevent_decl_creation_for_types, moved remap_var_for_cilk to avoid
1928 2016-01-15 Dominik Vogt <vogt@linux.vnet.ibm.com>
1930 * config/s390/s390.opt (mmvcle): More verbose help text.
1932 2016-01-15 Dominik Vogt <vogt@linux.vnet.ibm.com>
1934 * config/s390/s390.opt: Add period to -mzvector option text.
1936 2016-01-15 Richard Biener <rguenther@suse.de>
1938 PR tree-optimization/68961
1939 * tree-vect-slp.c (vect_analyze_slp_cost_1): Consider cost
1940 of invariants in stores again.
1942 2016-01-15 Sebastian Huber <sebastian.huber@embedded-brains.de>
1944 * config/arm/t-rtems: Add cortex-m7/fpv5-d16 multilib.
1946 2016-01-15 Ilya Enkovich <enkovich.gnu@gmail.com>
1948 * config/i386/i386.c (ix86_expand_branch): Don't split
1949 DI mode xor instruction to SI mode.
1951 2016-01-15 Jan Hubicka <hubicka@ucw.cz>
1954 * ipa-icf.c (sem_function::merge): Virtual functions may become
1955 reachable even if they address is not taken and there are no
1958 2016-01-15 Jan Hubicka <hubicka@ucw.cz>
1960 * lto-streamer-out.c (subtract_estimated_size): New function.
1961 (get_symbol_initial_value): Use it.
1963 2016-01-15 Christian Bruel <christian.bruel@st.com>
1966 * config/arm/arm-builtins.c (ARM_BUILTIN_CRYPTO_BASE): New enum tag.
1967 (arm_init_neon_builtins_internal): Rename arm_init_neon_builtins,
1968 (arm_init_crypto_builtins_internal): Rename arm_init_crypto_builtins.
1969 use add_builtin_function_ext_scope instead of add_builtin_function.
1970 (neon_set_p, neon_crypto_set_p): Remove.
1971 (arm_init_builtins): Always call arm_init_neon_builtins and
1972 arm_init_crypto_builtins.
1973 (arm_expand_builtin): Check that builtins are allowed for the arch.
1974 * config/arm/arm-protos.h (arm_init_neon_builtins): Remove prototype.
1975 * config/arm/arm.c (arm_valid_target_attribute_tree): Remove
1976 arm_init_neon_builtins call.
1978 2016-01-15 Richard Biener <rguenther@suse.de>
1980 PR tree-optimization/69117
1981 * tree-ssa-sccvn.h (struct vn_ssa_aux): Add info member.
1982 * tree-ssa-sccvn.c (set_ssa_val_to): Save and adjust SSA name info
1983 of the leader conservatively.
1984 (free_scc_vn): Restore original SSA name infos.
1986 2016-01-14 Jeff Law <law@redhat.com>
1988 PR tree-optimization/69270
1989 * tree-ssa-dom.c (ssa_name_has_boolean_range): If the type has a
1990 single bit of precision, verify it's also unsigned.
1991 (record_edge_info): Use constant_boolean_node rather than fold_convert
1992 to convert boolean_true/boolean_false to the right type.
1994 2016-01-14 Richard Henderson <rth@redhat.com>
1997 * loop-doloop.c (record_reg_sets): New.
1998 (doloop_optimize): Reject the transform if the sequence
1999 clobbers registers live at the end of the loop block.
2000 (doloop_optimize_loops): Enable df_live if needed.
2002 2016-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
2004 * config/rs6000/rs6000-builtin.def: Revert 2016-01-13 change.
2005 * gcc/config/rs6000/rs6000.c: Likewise.
2006 * gcc/config/rs6000/rs6000.h: Likewise.
2007 * gcc/config/rs6000/rs6000.md: Likewise.
2008 * gcc/doc/extend.texi: Likewsie.
2010 2016-01-14 Jeff Law <law@redhat.com>
2012 * tree-ssa-dom.c (ssa_name_has_boolean_range): Fix comment
2015 2016-01-14 Richard Henderson <rth@redhat.com>
2019 * trans-mem.c (tm_log_emit_stmt): Fix unit size to bit size.
2020 * tree.c (build_tm_vector_builtins): Use builtin_decl_explicit_p
2021 instead of builtin_decl_declared_p to test for declaration.
2023 2016-01-14 Nicklas Bo Jensen <nbjensen@gmail.com>
2025 * doc/loop.texi (Loop Analysis and Representation): Document
2026 loop_depth function.
2028 2016-01-14 Tom de Vries <tom@codesourcery.com>
2030 PR tree-optimization/68773
2031 * omp-low.c (expand_omp_target): Don't set force_output.
2032 * varpool.c (varpool_node::get_create): Same.
2033 * lto-cgraph.c (input_offload_tables): Mark entries in offload_vars and
2034 offload_funcs with force_output.
2036 2016-01-14 Jakub Jelinek <jakub@redhat.com>
2039 * lra-eliminations.c (move_plus_up): Don't change anything if either
2040 the outer or inner subreg mode is not MODE_INT.
2041 * dwarf2out.c (mem_loc_descriptor): For SUBREG, if outer mode is
2042 integral <= DWARF2_ADDR_SIZE, convert to untyped afterwards.
2044 2016-01-14 Alan Lawrence <alan.lawrence@arm.com>
2046 * doc/md.texi (reduc_smin_@var{m}, reduc_smax_@var{m},
2047 reduc_umin_@var{m}, reduc_umax_@var{m}, reduc_splus_@var{m},
2048 reduc_uplus_@var{m}): Remove.
2049 * expr.c (expand_expr_real_2): Remove expansion path for
2050 reduc_[us](min|max|plus) optabs.
2051 * optabs-tree.c (scalar_reduc_to_vector): Remove.
2052 * optabs-tree.h (scalar_reduc_to_vector): Remove.
2053 * optabs.def (reduc_smax_optab, reduc_smin_optab, reduc_splus_optab,
2054 reduc_umax_optab, reduc_umin_optab, reduc_uplus_optab): Remove.
2055 * tree-vect-loop.c (vectorizable_reduction): Remove test for
2056 reduc_[us](min|max|plus) optabs.
2058 2016-01-14 Alan Lawrence <alan.lawrence@arm.com>
2060 * config/mips/mips-ps-3d.md (reduc_splus_v2sf): Remove.
2061 (reduc_plus_scal_v2sf): New.
2062 (reduc_smax_v2sf): Rename to...
2063 (reduc_smax_scal_v2sf): ...here, make result SFmode, add vec_extract.
2064 (reduc_smin_v2sf): Rename to...
2065 (reduc_smin_scal_v2sf): ...here, make result SFmode, add vec_extract.
2067 2016-01-14 Jan Hubicka <hubicka@ucw.cz>
2069 * alias.c (compare_base_symbol_refs): New function.
2070 (rtx_equal_for_memref_p, base_alias_check, memrefs_conflict_p): Use
2073 2016-01-14 Jakub Jelinek <jakub@redhat.com>
2076 PR tree-optimization/69155
2077 * tree-complex.c: Include cfganal.h.
2078 (phis_to_revisit): New variable.
2079 (extract_component): Add phiarg_p argument. Assert that returned
2080 SSA_NAME has non-NULL SSA_NAME_DEF_STMT unless phiarg_p is true.
2081 (update_phi_components): Partly rewrite to use loop over real/imag
2082 components instead of code duplication. If extract_component returns
2083 SSA_NAME with NULL SSA_NAME_DEF_STMT, store SSA_NAME_VAR or
2084 create_tmp_reg into the PHI node instead, and mention the phi triplet
2086 (tree_lower_complex): Walk bbs in rpo order. Adjust phis recorded
2087 in phis_to_revisit at the end.
2089 2016-01-14 Richard Biener <rguenther@suse.de>
2091 PR tree-optimization/68060
2092 * tree-vect-loop.c (vect_is_simple_reduction): Check the
2093 outer loop reduction is only used in the inner loop before
2094 detecting a double reduction.
2096 2016-01-14 Jakub Jelinek <jakub@redhat.com>
2099 * combine.c (expand_field_assignment): Punt if compute_mode is
2100 unsupported scalar mode.
2102 2016-01-14 Richard Biener <rguenther@suse.de>
2104 PR tree-optimization/66856
2105 * tree-vect-slp.c (vect_build_slp_tree): Refactor to build
2106 SLP node only if it built successfully.
2107 (vect_analyze_slp_instance): Adjust.
2109 2016-01-14 Jeff Law <law@redhat.com>
2111 PR tree-optimization/69270
2112 * tree-ssa-dom.c (ssa_name_has_boolean_range): New function.
2113 (record_edge_info): Use it. Convert boolean_{true,false}_node
2116 2016-01-13 Jan Hubicka <hubicka@ucw.cz>
2119 * ipa-polymorphic-call.c (inlined_polymorphic_ctor_dtor_block_p):
2120 use block_ultimate_origin
2121 (noncall-stmt_may_be_vtbl_ptr_store): Likewise.
2123 2016-01-13 Sandra Loosemore <sandra@codesourcery.com>
2125 * doc/invoke.texi (Submodel Options): Rename section to
2126 "Machine-Dependent Options" to better reflect its content.
2127 Rewrite introductory text to remove archaic CPU names.
2130 2016-01-13 Sandra Loosemore <sandra@codesourcery.com>
2132 * doc/invoke.texi (Code Gen Options): Move section up in file,
2133 before target-specific options. Update menu and option summary
2134 to reflect the new section ordering.
2136 2016-01-13 Jonathan Wakely <jwakely@redhat.com>
2138 * doc/invoke.texi (C Dialect Options): Adjust -std default for C++.
2139 (C++ Dialect Options): Add cross-reference to -std option.
2140 * doc/standards.texi (C++ Language): Document C++14 support.
2142 2016-01-13 Michael Meissner <meissner@linux.vnet.ibm.com>
2144 * config/rs6000/rs6000-builtin.def (BU_FLOAT128_2): Add support
2145 for pack/unpack functions for __ibm128.
2146 (PACK_IF): Likewise.
2147 (UNPACK_IF): Likewise.
2149 * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Add
2150 support for __ibm128 pack/unpack functions.
2151 (rs6000_invalid_builtin): Likewise.
2152 (rs6000_init_builtins): Likewise.
2153 (rs6000_opt_masks): Likewise.
2155 * config/rs6000/rs6000.h (MASK_FLOAT128): Add short name.
2156 (RS6000_BTM_FLOAT128): Add support for __ibm128 pack/unpack
2158 (RS6000_BTM_COMMON): Likewise.
2160 * config/rs6000/rs6000.md (f128_vsx): New mode attribute.
2161 (unpack<mode>): Use FMOVE128_FPR iterator instead of FMOVE128, to
2162 disallow __builtin_{pack,unpack}_longdouble if long double is IEEE
2163 128-bit floating point. Add support for the double values to be
2164 in Altivec registers for TF/IF packing and unpacking, but restrict
2165 TD packing sub-fields to be FPR registers. Don't allow overlapped
2166 register support for packing. Allow pack inputs to be memory
2167 locations. Don't build generator functions for unpack<mode>_dm
2168 and unpack<mode>_nodm.
2169 (unpack<mode>_dm): Likewise.
2170 (unpack<mode>_nodm): Likewise.
2171 (pack<mode>): Likewise.
2173 * config/rs6000/rs6000-builtin.def (__builtin_pack_ibm128): Add
2174 built-in functions to pack/unpack explicit __ibm128 values.
2175 (__builtin_unpack_ibm128): Likewise.
2177 * doc/extend.texi (PowerPC Built-in Functions): Document
2178 __builtin_pack_ibm128 and __builtin_unpack_ibm128.
2180 2016-01-13 Bernd Schmidt <bschmidt@redhat.com>
2183 * c-common.c (check_function_nonnull): Remove unnecessary declaration.
2184 Add new arg loc and pass it down as context.
2185 (check_nonnull_arg): Don't mark ctx arg as unused. Use it as a pointer
2186 to the location to use for the warning.
2187 (check_function_arguments): New arg loc. All callers changed. Pass
2188 it to check_function_nonnull.
2189 * c-common.h (check_function_arguments): Adjust declaration.
2191 2016-01-13 Jakub Jelinek <jakub@redhat.com>
2193 PR tree-optimization/69156
2194 * gimple.c (validate_type): Removed.
2195 (gimple_builtin_call_types_compatible_p): Use
2196 useless_type_conversion_p instead of validate_type.
2197 * value-prof.c (gimple_stringop_fixed_value): Fold
2198 icall_size to correct type.
2200 2016-01-13 Jonathan Wakely <jwakely@redhat.com>
2202 * doc/extend.texi (__atomic Builtins): Clarify compare_exchange
2205 2016-01-13 Richard Henderson <rth@redhat.com>
2208 * target.def (builtin_tm_load, builtin_tm_store): Remove.
2209 * config/i386/i386.c (ix86_builtin_tm_load): Remove.
2210 (ix86_builtin_tm_store): Remove.
2211 (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
2212 (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
2213 * doc/tm.texi.in (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
2214 (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
2215 * doc/tm.texi: Rebuild.
2217 * gtm-builtins.def (BUILT_IN_TM_MEMCPY_RNWT): New.
2218 (BUILT_IN_TM_MEMCPY_RTWN): New.
2219 * trans-mem.c (tm_log_emit_stmt): Rearrange code for better
2220 fallback from vector to integer helpers.
2221 (build_tm_load): Handle vector types directly, instead of
2223 (build_tm_store): Likewise.
2224 (expand_assign_tm): Prepare for register types not handled by
2225 the above. Copy them to memory and use memcpy.
2226 * tree.c (tm_define_builtin): New.
2227 (find_tm_vector_type): New.
2228 (build_tm_vector_builtins): New.
2229 (build_common_builtin_nodes): Call it.
2231 2016-01-13 Uros Bizjak <ubizjak@gmail.com>
2233 * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Return -1 for
2234 TARGET_SSE_MATH without TARGET_SSE2. Rewrite.
2236 2016-01-13 Tom de Vries <tom@codesourcery.com>
2238 PR tree-optimization/69169
2239 * tree-ssa-structalias.c (create_variable_info_for_1): Add and handle
2240 handled_struct_type param.
2241 (create_variable_info_for, intra_create_variable_infos): Call
2242 create_variable_info_for_1 with extra arg.
2244 2016-01-13 Yvan Roux <yvan.roux@linaro.org>
2246 * config/arm/arm-arches.def: Remove spurious whitespace in "armv8.1-a"
2247 and "armv8.1-a+crc" entries.
2249 2016-01-13 Alexander Fomin <alexander.fomin@intel.com>
2252 * config/i386/sse.md (define_expand "avx512pf_gatherpf<mode>sf"):
2253 Change first operand predicate from register_or_constm1_operand
2254 to register_operand.
2255 (define_expand "avx512pf_gatherpf<mode>df"): Likewise.
2256 (define_expand "avx512pf_scatterpf<mode>sf"): Likewise.
2257 (define_expand "avx512pf_scatterpf<mode>df"): Likewise.
2258 (define_insn "*avx512pf_gatherpf<mode>sf"): Remove.
2259 (define_insn "*avx512pf_gatherpf<mode>df"): Likewise.
2260 (define_insn "*avx512pf_scatterpf<mode>sf"): Likewise.
2261 (define_insn "*avx512pf_scatterpf<mode>df"): Likewise.
2262 * config/i386/i386.c (ix86_expand_builtin): Remove first operand
2263 comparison with constm1_rtx from vec_prefetch_gen part.
2265 2016-01-13 Richard Biener <rguenther@suse.de>
2267 PR tree-optimization/69013
2268 * tree-ssa-uninit.c (prune_uninit_phi_opnds_in_unrealizable_paths):
2269 Exchange assert for a test.
2271 2016-01-13 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
2274 * config/s390/s390.md (bswaphi splitter): Use simplify_gen_subreg.
2276 2016-01-13 Richard Biener <rguenther@suse.de>
2278 PR tree-optimization/69242
2279 * tree-ssa-sccvn.c (visit_reference_op_load): Replace bogus
2280 assert with a check.
2282 2016-01-13 Richard Biener <rguenther@suse.de>
2284 PR tree-optimization/69186
2285 * tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
2286 Properly guard vect_update_misalignment_for_peel call.
2288 2016-01-12 Jeff Law <law@redhat.com>
2290 PR tree-optimization/pr67755
2291 * tree-ssa-threadupdate.c (struct ssa_local_info_t): Add new field
2292 "need_profile_correction".
2293 (thread_block_1): Initialize new field to false by default. If we
2294 have multiple thread paths through a common joiner to different
2295 final targets, then set new field to true.
2296 (compute_path_counts): Only do count adjustment when it's really
2299 2016-01-12 Sandra Loosemore <sandra@codesourcery.com>
2301 * doc/invoke.texi (Spec Files): Move section down in file, past
2302 all command-line option descriptions.
2304 2016-01-12 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
2307 * doc/gty.texi: Remove documentation of mark_hook.
2308 * gengtype.c (struct write_types_data): Remove code to support
2309 mark_hook attribute.
2310 (walk_type): Likewise.
2311 (write_func_for_structure): Likewise.
2313 2016-01-12 Sandra Loosemore <sandra@codesourcery.com>
2315 * doc/invoke.texi (Option Summary) Move -no-canonical-prefixes to
2316 Directory Options, and -specs= to Overall Options.
2317 (Overall Options): Adjust similarly. Reorder to group related
2318 options together. Make -specs= cross-reference the spec file details.
2319 (Directory Options): Adjust similarly.
2321 2016-01-12 Jeff Law <law@redhat.com>
2323 * tree-ssa-threadupdate.c: Various whitespace and typo fixes.
2325 2016-01-12 Olivier Hainque <hainque@adacore.com>
2327 * gcc.c (spec_undefvar_allowed): New global.
2328 (process_command): Set to true when running for --version or --help,
2330 (getenv_spec_function): When the variable is not defined, use the
2331 variable name as the variable value if we're allowed not to issue
2334 2016-01-12 Bin Cheng <bin.cheng@arm.com>
2336 PR tree-optimization/68911
2337 * tree-vrp.c (adjust_range_with_scev): Check overflow in range
2338 information computed for expression "init + nit * step".
2340 2016-01-12 Sandra Loosemore <sandra@codesourcery.com>
2342 * doc/invoke.texi (Invoking GCC): Copy-edit. Incorporate information
2343 about name of GCC executable. Remove deleted node from menu.
2344 (Directory Options) <-B>: Remove cross-reference to deleted node.
2345 (Target Options): Delete section.
2347 2016-01-12 Christian Bruel <christian.bruel@st.com>
2350 * config/arm/arm-c.c (arm_pragma_target_parse): Set NODE_CONDITIONAL
2351 for __ARM_NEON_FP, __ARM_FP, _ARM_FEATURE_LDREX.
2353 2016-01-12 Jakub Jelinek <jakub@redhat.com>
2356 * config/i386/i386.c (ix86_expand_special_args_builtin): Ensure
2357 aligned_mem is properly set for AVX512-VL floating point masked
2361 * ifcvt.c (cond_exec_process_if_block): When removing the last
2362 insn from then_bb, remove also any possible barriers that follow it.
2364 2016-01-12 H.J. Lu <hongjiu.lu@intel.com>
2368 * config/i386/iamcu.h (SIZE_TYPE): New macro.
2369 (PTRDIFF_TYPE): Likewise.
2370 (WCHAR_TYPE): Likewise.
2371 (WCHAR_TYPE_SIZE): Likewise.
2372 (STDINT_LONG32): Likewise.
2374 2016-01-12 Richard Biener <rguenther@suse.de>
2376 PR tree-optimization/69053
2377 * tree-vect-loop.c (get_initial_def_for_reduction): Properly
2378 convert initial value for cond reductions.
2380 2016-01-12 Richard Biener <rguenther@suse.de>
2382 PR tree-optimization/69007
2383 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Move
2384 widen_sum after dot_prod and sad.
2386 2016-01-12 Richard Biener <rguenther@suse.de>
2388 PR tree-optimization/69168
2389 * tree-vect-loop.c (vect_analyze_loop_2): Reset both main and
2390 pattern stmt SLP type.
2391 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Patterns may
2392 end up unused so cope with that case.
2394 2016-01-12 Richard Biener <rguenther@suse.de>
2396 PR tree-optimization/69157
2397 * tree-vect-stmts.c (vectorizable_mask_load_store): Check
2398 stmts def type only during analyze phase.
2399 (vectorizable_call): Likewise.
2400 (vectorizable_simd_clone_call): Likewise.
2401 (vectorizable_conversion): Likewise.
2402 (vectorizable_assignment): Likewise.
2403 (vectorizable_shift): Likewise.
2404 (vectorizable_operation): Likewise.
2405 (vectorizable_store): Likewise.
2406 (vectorizable_load): Likewise.
2408 2016-01-12 Richard Biener <rguenther@suse.de>
2410 PR tree-optimization/69174
2411 * tree-vect-stmts.c (vect_mark_relevant): Remove excessive vertical
2413 (vectorizable_load): Properly compute the number of loads needed
2414 for permuted strided SLP loads and do not spuriously assign
2415 to SLP_TREE_VEC_STMTS.
2417 2016-01-12 Andris Pavenis <andris.pavenis@iki.fi>
2419 * config/i386/djgpp.h (PREFERRED_DEBUGGING_TYPE): Define to DWARF2
2420 (TARGET_ASM_OUTPUT_IDENT): Define to default_asm_output_ident_directive
2421 (MD_EXEC_PREFIX): Remove.
2422 (MD_STARTFILE_PREFIX) Removee.
2423 (FILE_NAME_ABSOLUTE_P): Remove.
2424 (CPP_SPEC): Do not read macros from sys/version.h.
2425 (LINK_COMMAND_SPEC): Remove.
2426 (LOCAL_INCLUDE_DIR): Remove.
2427 (TARGET_ASM_NAMED_SECTION): Define to i386_djgpp_asm_named_section
2428 (TARGET_OS_CPP_BUILTINS): Add DJGPP (non ISO only), __DJGPP, __DJGPP__, unix.
2429 (POST_LINK_SPEC): Define to invoke stubify after linker
2430 (LIBSTDCXX): Remove define
2431 (DBX_REGISTER_NUMBER): Define to svr4_dbx_register_map.
2432 (DEFAULT_PCC_STRUCT_RETURN): Define to 1.
2433 (SUBTARGET_OVERRIDE_OPTIONS): Remove warning about -mbnu2210.
2434 (SUBTARGET_OVERRIDE_OPTIONS): Ignore -fPIC and generate message.
2435 (SUBTARGET_OVERRIDE_OPTIONS): Default to DWARF2 debugging info.
2436 (IX86_MAYBE_NO_LIBGCC_TFMODE): Remove.
2437 (i386_djgpp_asm_named_section): Add propotype of new procedure
2439 * config/i386/xm-djgpp.h (NATIVE_SYSTEM_HEADER_DIR): Define.
2440 (MD_EXEC_PREFIX): Define (moved from config/i386/djgpp.h).
2441 (STANDARD_STARTFILE_PREFIX_1): Define (moved from MD_STARTFILE_PREFIX
2442 in config/i386/djgpp.h).
2443 (STANDARD_STARTFILE_PREFIX_2): Define identical to
2444 STANDARD_STARTFILE_PREFIX_1.
2445 (LOCAL_INCLUDE_DIR): Define (moved from config/i386/djgpp.h).
2446 (GCC_DRIVER_HOST_INITIALIZATION): Fix reporting fatal
2447 installation errors.
2448 (MAX_OFILE_ALIGNMENT): Define to 128.
2449 (HAVE_FTW_H): Undefine as DJGPP do not have nftw, but have ftw.h.
2451 * config/i386/djgpp.c: New file. Add implementation of
2452 i386_djgpp_asm_named_section.
2454 * config/i386/djgpp.opt: Remove obsolete option -mbnu210.
2456 * config/i386/t-djgpp: New file. Add djgpp.o to EXTRA_OBJS.
2457 Add rule for building djgpp.o.
2459 2016-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2461 * config/rs6000/rs6000.c (v2df_reduction_p): New function.
2462 (rtx_is_swappable_p): Reductions are swappable.
2463 (insn_is_swappable_p): V2DF reductions are swappable.
2465 2016-01-11 John David Anglin <danglin@gcc.gnu.org>
2467 * config/pa/pa.c (pa_emit_move_sequence): Handle floating point
2468 reloads for other unsupported memory operands.
2470 2016-01-12 Kugan Vivekanandarajah <kuganv@linaro.org>
2471 Jim Wilson <jim.wilson@linaro.org>
2474 * config/arm/arm-builtins.c (arm_expand_neon_args): Call
2475 copy_to_mode_reg instead of force_reg.
2477 2016-01-11 H.J. Lu <hongjiu.lu@intel.com>
2480 * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Set to 2 only if
2481 TARGET_80387 is true.
2483 2016-01-11 Jakub Jelinek <jakub@redhat.com>
2486 * lra-eliminations.c (move_plus_up): Only move plus up
2487 if subreg of the constant can be simplified into constant
2488 and use the simplified subreg of the constant instead of
2489 the original constant.
2491 * fold-const.c (fold_convertible_p): Don't return true
2492 for conversion of VECTOR_TYPE to same sized integral type.
2493 (fold_convert_loc): Fix up formatting. Fold conversion of
2494 VECTOR_TYPE to same sized integral type using VIEW_CONVERT_EXPR
2495 instead of NOP_EXPR.
2497 PR tree-optimization/69214
2498 * tree-vrp.c (simplify_cond_using_ranges): Don't propagate
2499 innerop into a comparison if SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
2502 PR tree-optimization/69207
2503 * tree-vect-slp.c (vect_get_constant_vectors): For
2504 VECTOR_BOOLEAN_TYPE_P, assert op has integral type instead of
2505 fold_convertible_p to vector_type's element type, and always
2506 use VCE for non-VECTOR_BOOLEAN_TYPE_P.
2508 2016-01-11 Richard Biener <rguenther@suse.de>
2510 PR tree-optimization/69173
2511 * tree-vect-loop.c (vect_fixup_scalar_cycles_with_patterns): Only
2512 fixup the cycle if all stmts are in a pattern.
2514 2016-01-11 Uros Bizjak <ubizjak@gmail.com>
2517 * alias.c (base_alias_check): Move check for addresses with
2518 alignment ANDs before the call for compare_base_decls.
2519 (memrefs_conflict_p): Return -1 for different decls
2520 that went through alignment adjustments.
2522 2016-01-11 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
2524 PR rtl-optimization/68796
2525 * config/aarch64/aarch64.md (*and<mode>_compare0): New pattern.
2526 * config/aarch64/aarch64.c (aarch64_select_cc_mode): Handle HImode
2527 and QImode comparisons against zero with CC_NZmode.
2528 * config/aarch64/iterators.md (short_mask): New mode_attr.
2530 2016-01-11 H.J. Lu <hongjiu.lu@intel.com>
2532 * config/i386/sse.md (<avx512>_load<mode>_mask): Remove snprintf.
2533 (<avx512>_store<mode>_mask): Likewise.
2535 2016-01-11 Bernd Schmidt <bschmidt@redhat.com>
2536 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
2538 PR rtl-optimization/68841
2539 * ifcvt.c (struct noce_if_info): Add orig_x field.
2540 (bbs_ok_for_cmove_arith): Add to_rename parameter.
2541 Don't record conflicts on to_rename if it's present.
2542 Allow memory destinations in sets.
2543 (noce_try_cmove_arith): Call bbs_ok_for_cmove_arith even on simple
2544 blocks, passing orig_x to the checks.
2545 (noce_process_if_block): Set if_info->orig_x appropriately.
2547 2016-01-11 Tom de Vries <tom@codesourcery.com>
2549 PR tree-optimization/69069
2550 * tree-parloops.c (create_parallel_loop): Add missing phi args.
2552 2016-01-11 Yuri Rumyantsev <ysrumyan@gmail.com>
2554 PR rtl-optimization/68920
2555 * config/i386/i386.c (ix86_option_override_internal): Restrict number
2556 of conditional moves for RTL if-conversion to 1 for
2557 TARGET_ONE_IF_CONV_INSN.
2558 * config/i386/i386.h (TARGET_ONE_IF_CONV_INSN): New macros.
2559 * config/i386/x86-tune.def (X86_TUNE_ONE_IF_CONV_INSN): New macros.
2560 * params.def (PARAM_MAX_RTL_IF_CONVERSION_INSNS) : Introduce new
2561 parameter to restirct number of conditional moves for
2563 * doc/invoke.texi (max-rtl-if-conversion-insns): Document it.
2564 * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Limit number of
2567 2016-01-11 Alexandre Oliva <aoliva@redhat.com>
2570 * var-tracking.c (drop_overlapping_mem_locs): Operate on all
2571 onepart vars. Fix typo in comment. Fix reversed condition in
2573 (dataflow_set_remove_mem_locs): Operate on all onepart vars.
2576 * var-tracking.c (dump_onepart_variable_differences): New.
2577 (dataflow_set_different): If a detailed dump is requested,
2578 delay early returns and dump differences between onepart
2579 variables present before and after, and added variables.
2581 2016-01-11 Ilya Enkovich <enkovich.gnu@gmail.com>
2584 * expr.c (expand_expr_real_1): For boolean vector constants
2585 with a scalar mode use const_scalar_mask_from_tree.
2586 (const_scalar_mask_from_tree): New.
2587 * optabs.c (expand_vec_cond_mask_expr): Use mask mode
2588 assigned to a mask type to handle constants.
2590 2016-01-11 Martin Jambor <mjambor@suse.cz>
2593 * ipa-cp.c (estimate_local_effects): Do not clone for removal of
2594 useless parameters if we cannot change function signature.
2596 2016-01-11 Martin Jambor <mjambor@suse.cz>
2599 * cgraphclones.c (duplicate_thunk_for_node): Copy can_change_signature
2602 2016-01-11 Tom de Vries <tom@codesourcery.com>
2604 PR tree-optimization/69109
2605 * tree-parloops.c (try_transform_to_exit_first_loop_alt): Don't allow
2608 2016-01-11 Tom de Vries <tom@codesourcery.com>
2610 PR tree-optimization/69108
2611 * tree-parloops.c (gather_scalar_reductions): Handle case that outer phi
2612 res is not used in a phi.
2614 2016-01-11 Yury Gribov <y.gribov@samsung.com>
2617 * common.opt (frandom-seed): Fix parameter name.
2618 * doc/invoke.texi (frandom-seed): Ditto and describe parameter.
2620 2016-01-11 Tom de Vries <tom@codesourcery.com>
2622 PR tree-optimization/69058
2623 * tree-parloops.c (pass_parallelize_loops::execute): Return 0 if libgomp
2626 2016-01-11 Andrew Burgess <andrew.burgess@embecosm.com>
2628 * config/arc/arc.opt (mdiv-rem): Add period to the end.
2629 (mcode-density): Likewise.
2631 2016-01-10 Tom de Vries <tom@codesourcery.com>
2633 PR tree-optimization/69062
2634 * tree-parloops.c (loop_has_phi_with_address_arg): New function.
2635 (parallelize_loops): Don't paralelize loop that has phi with address
2638 2016-01-10 Tom de Vries <tom@codesourcery.com>
2640 PR tree-optimization/69039
2641 * tree-parloops.c (try_create_reduction_list): Only allow single exit
2644 2016-01-09 John David Anglin <danglin@gcc.gnu.org>
2647 * match.pd: Require target has function_c99_misc before doing
2648 truncl(extend(x)) and trunc(extend(x)) -> extend(truncf(x)), etc.
2650 2016-01-09 Gerald Pfeifer <gerald@pfeifer.com>
2652 * configure.ac (isl_options_set_schedule_serialize_sccs): Also
2654 * configure: Regenerate.
2656 2016-01-09 Jakub Jelinek <jakub@redhat.com>
2659 PR tree-optimization/69097
2660 * fold-const.h (expr_not_equal_to): New prototype.
2661 * fold-const.c: Include stringpool.h and tree-ssanames.h.
2662 (expr_not_equal_to): New function.
2663 * match.pd (X % -Y is the same as X % Y): Don't optimize
2664 unless X is known not to be equal to minimum or Y is known
2665 not to be equal to -1.
2666 * tree-vrp.c (simplify_div_or_mod_using_ranges): Add GSI argument.
2667 fold TRUNC_MOD_EXPR if the second argument is not a power of two.
2668 (simplify_stmt_using_ranges): Adjust caller.
2669 (vrp_finalize): Call set_value_range on SSA_NAMEs before calling
2670 substitute_and_fold.
2672 2016-01-09 Jan Hubicka <hubicka@ucw.cz>
2674 * ipa-icf.c (sem_item_optimizer::merge_classes): Do not ICE on VAR_DECL
2677 2016-01-08 Jakub Jelinek <jakub@redhat.com>
2679 PR tree-optimization/69167
2680 * gimple-fold.c (replace_stmt_with_simplification): Also punt if
2681 new SSA_NAME_OCCURS_IN_ABNORMAL_PHI SSA_NAMEs appear in operands of
2683 * gimple-match-head.c (maybe_push_res_to_seq): Likewise.
2685 2016-01-08 Alan Lawrence <alan.lawrence@arm.com>
2686 Richard Biener <rguenther@suse.de>
2688 PR tree-optimization/68707
2689 * tree-vect-slp.c (vect_analyze_slp_instance): Cancel permuted SLP
2690 instances that can be handled via vect_load_lanes.
2692 2016-01-08 Uros Bizjak <ubizjak@gmail.com>
2694 * symtab.c (symtab_node::equal_address_to): Return -1 instead of 2
2695 if we can't determine address equivalence.
2696 * alias.c (compare_base_decl): Update for changed return value of
2697 symtab_node::equal_address_to.
2699 2016-01-08 Jason Merrill <jason@redhat.com>
2703 * function.c (assign_temp): Guard against TREE_ADDRESSABLE types here.
2704 * expr.c (store_field): Not here.
2705 * tree-cfgcleanup.c (fixup_noreturn_call): Don't clear LHS of a
2706 call with TREE_ADDRESSABLE type.
2707 * tree-cfg.c (verify_gimple_call): Adjust.
2709 2016-01-08 Olivier Hainque <hainque@adacore.com>
2711 * config/vxworks.h (VXWORKS_LIBGCC_SPEC): Don't link shared RTPs with
2714 2016-01-08 Alan Lawrence <alan.lawrence@arm.com>
2716 * gcc.target/rs6000/paired.md (reduc_smax_v2sf): Rename to...
2717 (reduc_smax_scal_v2sf): ...here, make result SFmode, extract element.
2718 (reduc_smin_v2sf): Rename to...
2719 (reduc_smin_scal_v2sf): ...here, make result SFmode, extract element.
2720 (reduc_splus_v2sf): Rename to...
2721 (reduc_plus_scal_v2sf): ...here, make result SFmode, extract element.
2723 2016-01-08 Jakub Jelinek <jakub@redhat.com>
2725 PR tree-optimization/69162
2726 * gimplify.c (gimplify_va_arg_expr): Encode original type of
2727 valist argument in another argument.
2728 (gimplify_modify_expr): Adjust for the above change. Cleanup.
2729 * tree-stdarg.c (expand_ifn_va_arg_1): Use new 3rd argument
2730 to determine the va_list type, build a MEM_REF instead of
2731 build_fold_indirect_ref.
2733 PR tree-optimization/69172
2734 * gimple-fold.c (gimple_fold_builtin_memory_chk): Pass type to
2737 2016-01-08 Thomas Preud'homme <thomas.preudhomme@arm.com>
2739 PR tree-optimization/67781
2740 * tree-ssa-math-opts.c (find_bswap_or_nop): Zero out bytes in cmpxchg
2741 and cmpnop in two steps: first the ones not accessed in original
2742 gimple expression in a endian independent way and then the ones not
2743 accessed in the final result in an endian-specific way.
2745 2016-01-08 Jakub Jelinek <jakub@redhat.com>
2747 PR tree-optimization/69083
2748 * tree-vect-slp.c (vect_get_constant_vectors): For
2749 VECTOR_BOOLEAN_TYPE_P assert op is fold_convertible_p to vector_type's
2750 element type. If op is fold_convertible_p to vector_type's element
2751 type, use NOP_EXPR instead of VCE.
2753 2016-01-08 Segher Boessenkool <segher@kernel.crashing.org>
2755 PR rtl-optimization/67778
2756 PR rtl-optimization/68634
2757 PR rtl-optimization/68909
2758 * shrink-wrap.c (try_shrink_wrapping): Add comment. Don't pop
2759 block from the stack until done with it. Remove a superfluous
2760 bitmap set. Remove a superfluous bitmap test.
2762 2016-01-07 Martin Sebor <msebor@redhat.com>
2765 * doc/extend.texi (__atomic Builtins, __sync Builtins): Document
2766 constraint on the type of arguments.
2768 2016-01-07 Andreas Tobler <andreast@gcc.gnu.org>
2770 * config/arm/freebsd.h: Rename SUBTARGET_OVERRIDE_OPTIONS to
2771 SUBTARGET_OVERRIDE_INTERNAL_OPTIONS. Adjust to check
2772 unaligned_access on the gcc_options set.
2773 * config/arm/arm.c (arm_option_override_internal): Use
2774 SUBTARGET_OVERRIDE_INTERNAL_OPTIONS.
2776 2016-01-07 Uros Bizjak <ubizjak@gmail.com>
2779 * config/i386/i386.c (ix86_frame_pointer_required): Enable
2780 frame pointer for TARGET_64BIT_MS_ABI when stack is misaligned.
2782 2016-01-07 Uros Bizjak <ubizjak@gmail.com>
2785 2016-01-06 Uros Bizjak <ubizjak@gmail.com>
2788 * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
2789 depending on frame_pointer_needed before remaining integer and SSE
2790 registers are saved.
2792 2016-01-07 Sandra Loosemore <sandra@codesourcery.com>
2795 * doc/extend.texi (Nvidia PDX Function Attributes): New section.
2797 2016-01-07 H.J. Lu <hongjiu.lu@intel.com>
2800 * config/i386/sse.md (<sse>_sqrt<mode>2<mask_name><round_name>):
2801 Use the "xBm" constraint.
2802 (float<sseintvecmodelower><mode>2<mask_name><round_name):
2804 (sse_cvtsi2ss<round_name>): Use round_nimm_scalar_predicate.
2805 (sse_cvtsi2ssq<round_name>): Likewise.
2806 (sse_cvtss2si<round_name>): Likewise.
2807 (sse_cvtss2siq<round_name>): Likewise.
2808 (sse2_cvtsi2sdq<round_name>): Likewise.
2809 (sse2_cvtsd2si<round_name>): Likewise.
2810 (sse2_cvtsd2siq<round_name>): Likewise.
2811 * config/i386/subst.md (round_nimm_scalar_predicate): New
2814 2015-12-15 Bernd Schmidt <bschmidt@redhat.com>
2817 * varasm.c (make_decl_rtl): Mark invalid register vars as
2820 PR rtl-optimization/66206
2821 * bt-load.c (find_btr_use): Change first arg to be a pointer to an rtx.
2822 All callers changed.
2824 2016-01-07 Jakub Jelinek <jakub@redhat.com>
2826 PR tree-optimization/69141
2827 * tree-ssa-pre.c: Include langhooks.h.
2828 (eliminate_dom_walker::before_dom_children): Use
2829 lang_hooks.decl_printable_name instead of
2830 cgraph_node::get ()->name ().
2833 * gimple-expr.c (copy_var_decl): If var has DECL_USER_ALIGN set, copy
2834 it and DECL_ALIGN too.
2836 2016-01-06 Robert Suchanek <robert.suchanek@imgtec.com>
2838 * config/mips/mips-ftypes.def: Sort to lexicographical order.
2840 2016-01-06 Uros Bizjak <ubizjak@gmail.com>
2843 * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
2844 depending on frame_pointer_needed before remaining integer and SSE
2845 registers are saved.
2847 2015-01-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2849 * config/rs6000/vsx.md (*p9_vecload_<mode>): Replace VSX_M
2850 mode iterator with VSX_M2.
2851 (*p9_vecstore_<mode>): Likewise.
2852 (*vsx_le_permute_<mode>): Restrict to !TARGET_P9_VECTOR.
2853 (*vsx_le_perm_load_<mode> for VSX_LE_128): Likewise.
2854 (*vsx_le_perm_store_<mode> for VSX_LE_128): Likewise.
2855 (define_split for VSX_LE128 stores): Likewise.
2856 (define_peephole2 for TImode LE swaps): Likewise.
2857 (define_split for VSX_LE128 post-reload stores): Likewise.
2859 2016-01-06 Marek Polacek <polacek@redhat.com>
2862 * convert.c (convert_to_integer_1): Adjust call to
2863 ubsan_instrument_float_cast. Use NULL_TREE instead of NULL.
2864 * ubsan.c (ubsan_instrument_float_cast): Drop the ARG parameter. Use
2865 EXPR instead of ARG.
2866 * ubsan.h (ubsan_instrument_float_cast): Adjust declaration.
2868 2016-01-05 Sandra Loosemore <sandra@codesourcery.com>
2871 * doc/extend.texi (RL78 Variable Attributes): New section.
2873 2016-01-05 Marek Polacek <polacek@redhat.com>
2876 * builtins.c (get_memmodel): Use expansion point location rather than
2877 the input location. Call warning_at rather than warning.
2878 (expand_builtin_atomic_compare_exchange): Likewise.
2879 (expand_builtin_atomic_load): Likewise.
2880 (expand_builtin_atomic_store): Likewise.
2881 (expand_builtin_atomic_clear): Likewise.
2883 2016-01-05 H.J. Lu <hongjiu.lu@intel.com>
2886 * config/i386/i386.c (ix86_expand_vector_logical_operator):
2887 Replace nonimmediate_operand with vector_operand.
2888 * config/i386/predicates.md (vector_operand): New predicate.
2889 (general_vector_operand): Replace nonimmediate_operand with
2891 * config/i386/sse.md: Replace nonimmediate_operand with
2892 vector_operand and m constraint with Bm constraint on SSE
2893 patterns with 16-byte memory operand.
2894 * config/i386/subst.md (round_nimm_predicate): Replace
2895 nonimmediate_operand with vector_operand.
2896 (round_saeonly_nimm_predicate): Likewise.
2897 (round_saeonly_nimm_scalar_predicate): New.
2899 2016-01-05 H.J. Lu <hongjiu.lu@intel.com>
2902 * config/i386/constraints.md (Bm): New constraint.
2903 * config/i386/predicates.md (vector_memory_operand): New
2905 * config/i386/sse.md: Replace xm with xBm in plusminus and
2908 2016-01-05 Sandra Loosemore <sandra@codesourcery.com>
2911 * doc/extend.texi (V850 Function Attributes): New section.
2912 (V850 Variable Attributes): New section.
2914 2016-01-05 Sandra Loosemore <sandra@codesourcery.com>
2917 * doc/extend.texi (MicroBlaze Function Attributes): Document
2918 interrupt_handler and fast_interrupt attributes.
2920 2016-01-05 Sergei Trofimovich <siarheit@google.com>
2923 * config/ia64/ia64.c (ia64_expand_load_address): Use gprel64
2924 for local symbolic operands.
2925 * config/ia64/predicates.md (local_symbolic_operand64): New
2928 2016-01-05 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
2930 PR rtl-optimization/68651
2931 * combine.c (combine_simplify_rtx): Canonicalize x + x into
2934 2016-01-05 Nathan Sidwell <nathan@acm.org>
2936 * alias.c (compare_base_decls): Use symtab_node::get.
2938 2016-01-05 Nick Clifton <nickc@redhat.com>
2941 * ira-costs.c (copy_cost): Initialise the t_icode field of the
2942 secondary_reload_info structure.
2945 * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Define to use weak
2946 decls if weak support is available.
2948 2016-01-04 Martin Sebor <msebor@redhat.com>
2950 * doc/invoke.texi (Warning Options): Document -Winvalid-memory-model.
2952 2016-01-04 Michael Meissner <meissner@linux.vnet.ibm.com>
2954 * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Add
2955 OPTION_MASK_P9_DFORM.
2957 * config/rs6000/constraints.md (wo constraint): New constraint for
2960 * config/rs6000/rs6000.c (rs6000_debug_reg_global): Add support
2962 (rs6000_init_hard_regno_mode_ok): Likewise.
2964 * config/rs6000/rs6000.h (r6000_reg_class_enum): Add support for
2967 * config/rs6000/altivec.md (altivec_vperm_<mode>): Clean up vperm
2968 expanders not to have constraints. Add support for ISA 3.0 xxperm
2969 instruction. Add support for fusing xxlor with xxperm.
2970 (altivec_vperm_<mode>_internal): Likewise.
2971 (altivec_vperm_v8hiv16qi): Likewise.
2972 (altivec_vperm_<mode>v16q): Likewise.
2973 (altivec_vperm_<mode>_uns): Likewise.
2974 (vperm_v8hiv4si): Likewise.
2975 (vperm_v16qiv8hi): Likewise.
2977 * doc/md.texi (RS/6000 constraints): Document wo constraint.
2979 2016-01-04 Jakub Jelinek <jakub@redhat.com>
2981 Update copyright years.
2983 * gcc.c (process_command): Update copyright notice dates.
2984 * gcov-dump.c (print_version): Ditto.
2985 * gcov.c (print_version): Ditto.
2986 * gcov-tool.c (print_version): Ditto.
2987 * gengtype.c (create_file): Ditto.
2988 * doc/cpp.texi: Bump @copying's copyright year.
2989 * doc/cppinternals.texi: Ditto.
2990 * doc/gcc.texi: Ditto.
2991 * doc/gccint.texi: Ditto.
2992 * doc/gcov.texi: Ditto.
2993 * doc/install.texi: Ditto.
2994 * doc/invoke.texi: Ditto.
2996 2016-01-04 Eric Botcazou <ebotcazou@adacore.com>
2998 * config/arm/arm.c (aapcs_vfp_allocate_return_reg): Treat all integer
2999 modes larger than TImode as TImode if NEON is not enabled.
3001 2016-01-04 Eric Botcazou <ebotcazou@adacore.com>
3004 * config/sparc/sparc.h (FUNCTION_ARG_REGNO_P): Return true in 64-bit
3005 mode for %f0-%f31 only if TARGET_FPU.
3007 2016-01-04 Eric Botcazou <ebotcazou@adacore.com>
3010 * config/sparc/sparc.c (scan_record_type): Take into account subfields
3011 to compute the PACKED_P predicate.
3012 (function_arg_record_value): Minor tweaks.
3014 2016-01-04 Thomas Preud'homme <thomas.preudhomme@arm.com>
3016 * doc/install.texi (--with-multilib-list): Describe the meaning of the
3017 option for arm*-*-* targets.
3019 2016-01-03 Sandra Loosemore <sandra@codesourcery.com>
3021 * doc/extend.texi (Common Function Attributes): Move docs for
3022 MSP430-specific attributes to....
3023 (MSP430 Function Attributes): ...here. Delete the redundant
3024 entries and copy-edit the remaining text.
3025 (MSP430 Variable Attributes): Use uniform format for index
3026 entries and add a cross-reference to the corresponding function
3029 2016-01-03 Vladimír Čunát <vcunat@gmail.com>
3031 * doc/invoke.texi (RS/6000 and PowerPC Options): Fix
3033 (x86 Options): Likewise.
3035 2016-01-01 Sandra Loosemore <sandra@codesourcery.com>
3039 * extend.texi (Common Function Attributes) <no_stack_limit>: New.
3040 * invoke.texi (Code Gen Options) <-fno-stack-limit>: Add pointer
3041 to corresponding attribute.
3043 2016-01-01 Sandra Loosemore <sandra@codesourcery.com>
3045 * doc/extend.texi (Common Function Attributes) <noplt>: Move
3046 to correct alphabetization of table. Copy-edit and correct
3048 <stack_protect>: Likewise.
3049 <target_clones>: Likewise.
3051 * doc/invoke.texi (Optimize Options) <-fstack-protector-explicit>:
3052 Correct punctuation.
3053 (Code Gen Options) <-fno-plt>: Copy-edit.
3055 2016-01-01 Bernd Edlinger <bernd.edlinger@hotmail.de>
3058 * config/tilegx/tilegx.md (clzsi2): Don't create DI subregs of
3059 SI values. Explicitly convert SI to DI and vice-versa.
3061 2016-01-01 Jakub Jelinek <jakub@redhat.com>
3063 PR tree-optimization/69070
3064 * tree-ssa-math-opts.c (gimple_expand_builtin_pow): Only test
3065 REAL_VALUE_ISSIGNALING_NAN on arg0 if arg0 is a REAL_CST.
3068 * ubsan.c (ubsan_instrument_float_cast): Call
3069 initialize_sanitizer_builtins.
3072 * ifcvt.c (find_cond_trap): Give up if returnjump_p (jump).
3074 Copyright (C) 2016 Free Software Foundation, Inc.
3076 Copying and distribution of this file, with or without modification,
3077 are permitted in any medium without royalty provided the copyright
3078 notice and this notice are preserved.