1 2016-02-01 Martin Liska <mliska@suse.cz>
3 * mem-stats-traits.h: Add copyright header.
4 * mem-stats.h: Likewise.
6 2016-02-01 Richard Biener <rguenther@suse.de>
8 PR tree-optimization/69579
9 * tree-ssa-loop-ivcanon.c (propagate_constants_for_unrolling):
10 Do not propagate through abnormal PHI results.
12 2016-02-01 Eric Botcazou <ebotcazou@adacore.com>
14 * postreload.c (reload_cse_simplify): Remove dead code.
16 2016-02-01 Jakub Jelinek <jakub@redhat.com>
18 PR rtl-optimization/69570
19 * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Return true only
20 if there is more than one set, not if there is a single set.
22 2016-02-01 Richard Henderson <rth@redhat.com>
25 * combine.c (make_compound_operation): When looking through a
26 subreg, make sure to re-extend to the width of the outer mode.
28 2016-01-30 Jakub Jelinek <jakub@redhat.com>
30 PR tree-optimization/69546
31 * wide-int.cc (wi::divmod_internal): For unsigned division
32 where both operands fit into uhwi, if o1 is 1 and o0 has
33 msb set, if divident_prec is larger than bits per hwi,
34 clear another quotient word and return 2 instead of 1.
35 Similarly for remainder with msb in HWI set, if dividend_prec
36 is larger than bits per hwi.
38 2016-01-29 Martin Jambor <mjambor@suse.cz>
40 * hsa-gen.c (get_memory_order_name): Mask with MEMMODEL_BASE_MASK.
41 Use short lowercase names.
42 (get_memory_order): Mask with MEMMODEL_BASE_MASK. Support
43 MEMMODEL_CONSUME with acquire semantics and MEMMODEL_SEQ_CST with
44 acq_rel one. Protect warning agains segfaults if
45 get_memory_order_name returns NULL.
46 (gen_hsa_ternary_atomic_for_builtin): Support with MEMMODEL_SEQ_CST
47 with release semantics. Do not warn if get_memory_order already did.
48 (gen_hsa_insns_for_call): Support with MEMMODEL_SEQ_CST with acquire
49 semantics. Fix check for relaxed or acquire semantics. Do not warn
50 if get_memory_order already did.
52 2016-01-29 Sebastian Pop <s.pop@samsung.com>
54 * doc/install.texi: Document that isl-0.16 is supported.
56 2016-01-29 Vladimir Makarov <vmakarov@redhat.com>
59 * config/i386/constraints.md (Bm): Describe as special memory
61 * doc/md.texi (DEFINE_SPECIAL_MEMORY_CONSTRAINT): Describe it.
62 * genoutput.c (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
63 * genpreds.c (struct constraint_data): Add is_special_memory.
64 (have_special_memory_constraints, special_memory_start): New
66 (special_memory_end): Ditto.
67 (add_constraint): Add new arg is_special_memory. Add code to
68 process its true value. Update have_special_memory_constraints.
69 (process_define_constraint): Pass the new arg.
70 (process_define_register_constraint): Ditto.
71 (choose_enum_order): Process special memory.
72 (write_tm_preds_h): Generate enum const CT_SPECIAL_MEMORY and
73 function insn_extra_special_memory_constraint.
74 (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
75 * gensupport.c (process_rtx): Process
76 DEFINE_SPECIAL_MEMORY_CONSTRAINT.
77 * ira-costs.c (record_reg_classes): Process CT_SPECIAL_MEMORY.
78 * ira-lives.c (single_reg_class): Use
79 insn_extra_special_memory_constraint.
80 * ira.c (ira_setup_alts): Process CT_SPECIAL_MEMORY.
81 * lra-constraints.c (process_alt_operands): Ditto.
82 (curr_insn_transform): Use insn_extra_special_memory_constraint.
83 * recog.c (asm_operand_ok, preprocess_constraints): Process
85 * reload.c (find_reloads): Ditto.
86 * rtl.def (DEFINE_SPECIFAL_MEMORY_CONSTRAINT): New.
87 * stmt.c (parse_input_constraint): Use
88 insn_extra_special_memory_constraint.
90 2016-01-29 H.J. Lu <hongjiu.lu@intel.com>
93 * lra-splill.c (lra_final_code_change): Revert r229087 by
94 removing all sub-registers.
96 2016-01-29 Steve Ellcey <sellcey@imgtec.com>
99 * config/mips/mips.c (mips_output_division): Check flag_delayed_branch.
101 2016-01-29 Jakub Jelinek <jakub@redhat.com>
104 * config/i386/i386.c (ix86_expand_vector_set) <case V4SImode>: For
105 SSE1, copy target into the temporary reg first before recursing
108 2016-01-29 H.J. Lu <hongjiu.lu@intel.com>
110 * config/i386/sse.md (sse2_cvtps2pd<mask_name>): Replace vBm
113 2016-01-29 Jonathan Wakely <jwakely@redhat.com>
115 * ginclude/stdarg.h: Test __cplusplus instead of
116 __GXX_EXPERIMENTAL_CXX0X__.
118 2016-01-29 Richard Biener <rguenther@suse.de>
120 PR tree-optimization/69547
121 * tree-ssa-dce.c (mark_aliased_reaching_defs_necessary_1):
122 Do not mark clobbers necessary.
123 (mark_all_reaching_defs_necessary_1): Likewise.
125 2016-01-29 Dominik Vogt <vogt@linux.vnet.ibm.com>
127 * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Format
128 declaration name with %qs and print it in both error messages.
129 Also fix indentation.
131 2016-01-29 Dominik Vogt <vogt@linux.vnet.ibm.com>
134 * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Remove
135 trailing blank line from error message.
137 2016-01-29 Jonathan Wakely <jwakely@redhat.com>
140 * ginclude/float.h: Also provide FLT_EVAL_METHOD and DECIMAL_DIG
143 2016-01-29 Richard Biener <rguenther@suse.de>
146 * match.pd: Allow all integral types when simplifying a
147 widening or sign-changing conversion.
149 2016-01-28 Sebastian Pop <s.pop@samsung.com>
151 * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Revert assert
152 back to setting codegen_error to fail codegen.
154 2016-01-28 Uros Bizjak <ubizjak@gmail.com>
157 * config/i386/constraints.md (C): Only accept constant zero operand.
158 (BC): New constraint.
159 * config/i386/sse.md (*mov<mode>_internal): Use BC constraint
160 instead of C constraint.
161 * doc/md.texi (Machine Constraints): Update description
164 2016-01-28 Steve Ellcey <sellcey@imgtec.com>
167 * config/mips/mips.c (and_operands_ok): Add MIPS16 check.
169 2016-01-28 Jakub Jelinek <jakub@redhat.com>
172 * lra-remat.c (calculate_local_reg_remat_bb_data): Only consider
175 2016-01-28 Pat Haugen <pthaugen@us.ibm.com>
177 * config/rs6000/rs6000.c (output_cbranch): Don't statically predict
178 branches if using guessed profile.
180 2016-01-28 H.J. Lu <hongjiu.lu@intel.com>
182 * graphite-optimize-isl.c (optimize_isl): Fix dump.
184 2016-01-28 Richard Henderson <rth@redhat.com>
187 * config/aarch64/aarch64-modes.def (CC_Cmode): New
188 * config/aarch64/aarch64-protos.h: Update.
189 * config/aarch64/aarch64.c (aarch64_zero_extend_const_eq): New.
190 (aarch64_select_cc_mode): Add check for use of CC_Cmode.
191 (aarch64_get_condition_code_1): Handle CC_Cmode.
192 * config/aarch64/aarch64.md (addti3): Use adddi3_compareC.
193 (*add<mode>3_compareC_cconly_imm): New.
194 (*add<mode>3_compareC_cconly): New.
195 (*add<mode>3_compareC_imm): New.
196 (add<mode>3_compareC): New.
197 (add<mode>3_carryin, *addsi3_carryin_uxtw): Sort compare operand
198 to be first. Use aarch64_carry_operation.
199 (*add<mode>3_carryin_alt1, *addsi3_carryin_alt1_uxtw): Remove.
200 (*add<mode>3_carryin_alt2, *addsi3_carryin_alt2_uxtw): Remove.
201 (*add<mode>3_carryin_alt3, *addsi3_carryin_alt3_uxtw): Remove.
202 (subti3): Use subdi3_compare1.
203 (*sub<mode>3_compare0): Rename from sub<mode>3_compare0.
204 (sub<mode>3_compare1): New.
205 (*sub<mode>3_carryin0, *subsi3_carryin_uxtw): New.
206 (*sub<mode>3_carryin): Use aarch64_borrow_operation.
207 (*subsi3_carryin_uxtw): Likewise.
208 (*ngc<mode>, *ngcsi_uxtw): Likewise.
209 (*sub<mode>3_carryin_alt, *subsi3_carryin_alt_uxtw): New.
210 * config/aarch64/iterators.md (DWI): New.
211 * config/aarch64/predicates.md (aarch64_carry_operation): New.
212 (aarch64_borrow_operation): New.
214 2016-01-28 Abderrazek Zaafrani <a.zaafrani@samsung.com>
216 * graphite-optimize-isl.c (optimize_isl): Print a different debug
217 message when isl does not return a valid schedule.
219 2016-01-28 Sebastian Pop <s.pop@samsung.com>
221 * graphite-isl-ast-to-gimple.c (class translate_isl_ast_to_gimple):
222 Remove comments from class declarations: they are already in the code
225 2016-01-28 Sebastian Pop <s.pop@samsung.com>
227 * graphite-isl-ast-to-gimple.c (binary_op_to_tree): Call
229 (ternary_op_to_tree): Same.
230 (unary_op_to_tree): Same.
231 (nary_op_to_tree): Same.
232 (gcc_expression_from_isl_expr_op): Same.
233 (gcc_expression_from_isl_expression): Same.
234 (graphite_create_new_loop): Same.
235 (graphite_create_new_loop_guard): Same.
236 (build_iv_mapping): Same.
237 (graphite_create_new_guard): Same.
238 (translate_isl_ast_to_gimple::copy_loop_phi_nodes): Same.
239 (translate_isl_ast_to_gimple::translate_pending_phi_nodes): Same.
241 2016-01-28 Sebastian Pop <s.pop@samsung.com>
243 * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Assert
244 instead of setting codegen_error to fail codegen.
246 2016-01-28 Jason Merrill <jason@redhat.com>
248 * tree.h (BINFO_FLAG_0): Rename from BINFO_MARKED.
250 2016-01-28 Wilco Dijkstra <wdijkstr@arm.com>
252 * config/aarch64/aarch64.c (aarch64_if_then_else_costs):
253 Remove CONST_INT_P check in CCMP cost calculation.
255 2016-01-28 Wilco Dijkstra <wdijkstr@arm.com>
257 * config/aarch64/aarch64.c (generic_vector_cost):
258 Set vec_permute_cost.
259 (cortexa57_vector_cost): Likewise.
260 (exynosm1_vector_cost): Likewise.
261 (xgene1_vector_cost): Likewise.
262 (aarch64_builtin_vectorization_cost): Use vec_permute_cost.
263 * config/aarch64/aarch64-protos.h (cpu_vector_cost):
264 Add vec_permute_cost entry.
266 2016-01-28 Wilco Dijkstra <wdijkstr@arm.com>
268 * config/aarch64/aarch64.md (ccmp<mode>): Disassemble
270 (add<mode>3_compare0): Likewise.
271 (addsi3_compare0_uxtw): Likewise.
272 (add<mode>3nr_compare0): Likewise.
273 (compare_neg<mode>): Likewise.
274 (<optab><mode>3): Likewise.
276 2016-01-28 Ilya Enkovich <enkovich.gnu@gmail.com>
278 * tree-vect-stmts.c (vectorizable_comparison): Add
279 NULL check for vectype.
281 2016-01-28 Richard Biener <rguenther@suse.de>
283 PR tree-optimization/69466
284 * tree-vect-loop-manip.c (slpeel_duplicate_current_defs_from_edges):
285 Account for PHIs we couldn't duplicate.
287 2016-01-28 Martin Liska <mliska@suse.cz>
290 * ggc-common.c (gt_pch_save): Use ENABLE_VALGRIND_ANNOTATIONS macro
291 instead of ENABLE_VALGRIND_CHECKING.
293 2016-01-27 Richard Henderson <rth@redhat.com>
296 * lra-remat.c (subreg_regs): New.
297 (dump_candidates_and_remat_bb_data): Dump it.
298 (operand_to_remat): Reject if operand in subreg_regs.
299 (set_bb_regs): Collect subreg_regs.
300 (lra_remat): Init and free subreg_regs. Compute
301 calculate_local_reg_remat_bb_data before create_cands.
303 2016-01-27 H.J. Lu <hongjiu.lu@intel.com>
306 * config/i386/i386.c (ix86_update_stack_boundary): Don't
307 change stack_alignment_needed for __tls_get_addr call.
309 2016-01-27 Segher Boessenkool <segher@kernel.crashing.org>
311 * config/rs6000/rs6000.c (print_operand): Rollback 's' removal.
313 2016-01-27 Jeff Law <law@redhat.com>
315 PR tree-optimization/68398
316 PR tree-optimization/69196
317 * params.def (PARAM_FSM_SCALE_PATH_STMTS): New parameter.
318 (PARAM_FSM_SCALE_PATH_BLOCKS): Likewise.
319 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
320 Only count PHIs in the last block in the path. The others will
321 const/copy propagate away. Add heuristic to allow more irreducible
322 subloops to be created when it is likely profitable to do so.
324 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
325 Fix typo in comment. Use gsi_after_labels and remove the GIMPLE_LABEL
326 check from within the loop. Use gsi_next_nondebug rather than gsi_next.
328 2016-01-27 Jakub Jelinek <jakub@redhat.com>
331 * sanitizer.def: Add BEGIN_SANITIZER_BUILTINS and
332 END_SANITIZER_BUILTINS markers using DEF_BUILTIN_STUB.
333 * asan.c (DEF_BUILTIN_STUB): Temporarily define.
334 * tree-streamer-in.c: Include asan.h.
335 (streamer_get_builtin_tree): For builtins in sanitizer
336 range call initialize_sanitizer_builtins and retry.
338 2016-01-27 Ian Lance Taylor <iant@google.com>
340 * common.opt (fkeep-gc-roots-live): New undocumented option.
341 * tree-ssa-loop-ivopts.c (add_candidate_1): If
342 -fkeep-gc-roots-live, skip pointers.
343 (add_iv_candidate_for_biv): Handle add_candidate_1 returning
346 2016-01-27 Uros Bizjak <ubizjak@gmail.com>
349 * config/i386/i386.md (*zext<mode>_doubleword_and): New pattern.
350 (*zext<mode>_doubleword): Disable for TARGET_ZERO_EXTEND_WITH_AND.
352 2016-01-27 Thomas Klausner <wiz@NetBSD.org>
355 * configure.ac: NetBSD provides SSP in its C library.
356 * configure: Updated.
358 2016-01-27 Richard Biener <rguenther@suse.de>
360 PR tree-optimization/69166
361 * tree-vect-loop.c (vect_is_simple_reduction): Always check
362 reduction code for commutativity / associativity.
364 2016-01-27 Martin Jambor <mjambor@suse.cz>
366 PR tree-optimization/69355
367 * tree-sra.c (analyze_access_subtree): Correct hole detection when
368 total_scalarization fails.
370 2016-01-27 David Edelsohn <dje.gcc@gmail.com>
372 * config/rs6000/driver-rs6000.c (detect_processor_aix): Add
375 2016-01-27 Christian Bruel <christian.bruel@st.com>
378 * config/arm/arm-c.c (arm_pragma_target_parse): Add comments.
379 Move arm_reset_previous_fndecl and set_target_option_current_node in
380 the conditional part. Call save_restore_target_globals.
381 * config/arm/arm.c (arm_set_current_function):
382 Refactor to better support #pragma target and attribute mix.
383 Call save_restore_target_globals.
384 * config/arm/arm-protos.h (save_restore_target_globals): New function.
386 2016-01-27 Martin Liska <mliska@suse.cz>
388 * hsa.c (hsa_summary_t::link_functions): Create IPA_REF_ADDR
389 reference for an HSA kernel and its host function.
391 2016-01-27 Jakub Jelinek <jakub@redhat.com>
393 PR tree-optimization/69399
394 * wide-int.h (wi::lrshift): For larger precisions, only
395 use fast path if shift is known to be < HOST_BITS_PER_WIDE_INT.
397 2016-01-27 Claudiu Zissulescu <claziss@synopsys.com>
399 * config/arc/predicates.md (proper_comparison_operator): Reject
400 constant-constant comparison.
402 2016-01-26 Tom de Vries <tom@codesourcery.com>
404 PR tree-optimization/69110
405 * tree-data-ref.c (initialize_data_dependence_relation): Handle
406 DR_NUM_DIMENSIONS == 0.
408 2016-01-26 Abderrazek Zaafrani <a.zaafrani@samsung.com>
409 Sebastian Pop <s.pop@samsung.com>
411 * graphite-isl-ast-to-gimple.c (ternary_op_to_tree): Handle
412 isl_ast_op_cond and isl_ast_op_select.
413 (gcc_expression_from_isl_expr_op): Same.
415 2016-01-26 Jason Merrill <jason@redhat.com>
418 * tree.c (recompute_constructor_flags): Split out from
420 (verify_constructor_flags): New.
421 * tree.h: Declare them.
423 2016-01-26 Iain Buclaw <ibuclaw@gdcproject.org>
425 PR rtl-optimization/69217
426 * var-tracking.c (tracked_record_parameter_p): Don't segfault if there
427 are no TYPE_FIELDS set for the record type.
429 2016-01-26 Jakub Jelinek <jakub@redhat.com>
432 * config/rs6000/rs6000.c (rs6000_option_override_internal): Initialize
433 toc_label_name unconditionally.
434 (rs6000_emit_load_toc_table): Call ggc_strdup on toc_label_name for
435 SYMBOL_REF string. Use toc_label_name instead of constructing
437 (rs6000_elf_declare_function_name): Use toc_label_name instead of
440 2016-01-26 Martin Sebor <msebor@redhat.com>
443 * doc/extend.texi (Common Type Attributes): Move text that talks about
444 attribute packed from attribute aligned to the section discussing
445 the former attribute for clarity.
447 2016-01-26 Richard Henderson <rth@redhat.com>
450 * trans-mem.c (tm_region_init): Mark entry block as visited.
452 2016-01-26 David Malcolm <dmalcolm@redhat.com>
455 * diagnostic-show-locus.c (layout::print_source_line): Replace
456 call to pp_newline with call to layout::print_newline.
457 (layout::print_annotation_line): Likewise.
458 (layout::move_to_column): Likewise.
459 (layout::print_any_fixits): After printing any fixits, print a
460 trailing newline, if necessary.
461 (layout::print_newline): New method, resetting any colorization
463 (diagnostic_show_locus): Move the pp_newline to before the
464 early bailout. Remove dummy block enclosing the layout instance.
465 * diagnostic.c (default_diagnostic_finalizer): Replace invocation
466 of pp_newline_and_flush with pp_flush.
467 (diagnostic_append_note): Delete use of pp_newline.
468 (diagnostic_append_note_at_rich_loc): Delete.
469 * diagnostic.h (diagnostic_append_note_at_rich_loc): Delete.
470 * pretty-print.h (output_buffer_append_r): Reset buff->line_length
471 when newline characters are added to the buffer.
473 2016-01-26 Michael Matz <matz@suse.de>
475 * configure.ac (ac_cv_std_swap_in_utility): New test.
476 * system.h (<algorithm>): Check HAVE_SWAP_IN_UTILITY as well.
477 * configure: Regenerate.
478 * config.in: Regenerate.
480 2016-01-26 Claudiu Zissulescu <claziss@synopsys.com>
482 * config/arc/arc.md (cstoresi4): Force operand into register.
483 (arcset<code>): Fix predicate.
484 (arcsetltu): Likewise.
485 (arcsetgeu): Likewise.
486 (arcsethi): Likewise.
487 (arcsetls): Likewise.
489 2016-01-26 Jakub Jelinek <jakub@redhat.com>
491 PR tree-optimization/69483
492 * gimple-fold.c (canonicalize_constructor_val): Return NULL
493 if base has error_mark_node type.
495 2016-01-26 Christophe Lyon <christophe.lyon@linaro.org>
498 * config/arm/arm.c (neon_valid_immediate): Handle FP16 vectors.
499 * config/arm/arm_neon.h (__ARM_NUM_LANES, __arm_lane, arm_lanq):
501 (vget_lane_f16): Handle big-endian.
502 (vgetq_lane_f16): Likewise.
503 (vset_lane_f16): Likewise.
504 (vsetq_lane_f16): Likewise.
505 * config/arm/iterators.md (VQXMOV): Add V8HF.
506 (VDQ): Add V4HF and V8HF.
507 (V_reg): Handle V4HF and V8HF.
508 (Is_float_mode): Likewise.
509 * config/arm/neon.md (movv4hf, movv8hf, neon_vdup_nv4hf,
510 neon_vdup_nv8hf): New patterns.
511 (vec_set<mode>_internal, vec_extract<mode>, neon_vld1_dup<mode>):
512 Use VD_LANE iterator.
513 (neon_vld1_dup<mode>): Use VQ2 iterator.
515 2016-01-26 Nathan Sidwell <nathan@acm.org>
517 * omp-low.h (oacc_fn_attrib_kernels_p): Declare.
518 (set_oacc_fn_attrib): Add IS_KERNEL arg.
519 * omp-low.c (set_oacc_fn_attrib): Add IS_KERNEL arg.
520 (oacc_fn_attrib_kernels_p, oacc_fn_attrib_level): New.
521 (expand_omp_target): Pass is_kernel to set_oacc_fn_attrib.
522 (oacc_validate_dims): Add LEVEL arg, don't return level.
523 (new_oacc_loop_routine): Use oacc_fn_attrib_level, not
525 (execute_oacc_device_lower): Adjust, add more dump output.
526 * tree-ssa-loop.c (gate_oacc_kernels): Use
527 oacc_fn_attrib_kernels_p.
528 * tree-parloops.c (create_parallel_loop): Adjust
529 set_oacc_fn_attrib call.
531 2016-01-26 Jakub Jelinek <jakub@redhat.com>
534 * lto-wrapper.c (merge_and_complain): Handle -fcilkplus.
535 (append_compiler_options): Handle -fcilkplus.
536 (append_linker_options): Ignore -fno-{openmp,openacc,cilkplus}.
538 2016-01-26 Nick Clifton <nickc@redhat.com>
541 * config/i386/winnt.c (i386_pe_binds_local_p): If a function has
542 been marked as DECL_ONE_ONLY but we do not the means to make it
543 so, then do not allow it to bind locally.
545 2016-01-26 Jakub Jelinek <jakub@redhat.com>
548 * opts.h (parse_sanitizer_options): New prototype.
549 * opts.c (sanitizer_opts): New array.
550 (parse_sanitizer_options): New function.
551 (common_handle_option): Use parse_sanitizer_options.
553 2016-01-26 H.J. Lu <hongjiu.lu@intel.com>
556 * config/i386/i386.c (ix86_compute_frame_layout): Move stack
557 alignment adjustment to ...
558 (ix86_update_stack_boundary): Here. Don't over-align stack for
560 (ix86_finalize_stack_realign_flags): Use stack_alignment_needed
561 if __tls_get_addr is called.
563 2016-01-26 Christian Bruel <christian.bruel@st.com>
565 * doc/sourcebuild.texi (arm_crypto_pragma_ok): Remove.
567 2016-01-26 Eric Botcazou <ebotcazou@adacore.com>
569 * config/ia64/ia64.c (ia64_expand_vecint_compare): Use gen_int_mode.
571 2016-01-26 Richard Biener <rguenther@suse.de>
574 * match.pd: Guard X * CST CMP 0 pattern with single_use.
576 2016-01-26 Richard Biener <rguenther@suse.de>
578 PR tree-optimization/69452
579 * tree-ssa-loop-im.c (move_computations_dom_walker): Remove.
580 (move_computations_dom_walker::before_dom_children): Rename
582 (move_computations_worker): This.
583 (move_computations): Perform an RPO rather than a DOM walk.
585 2016-01-26 Jakub Jelinek <jakub@redhat.com>
588 * combine.c (combine_instructions): For REG_EQUAL note with
589 SET_DEST being ZERO_EXTRACT, also temporarily set SET_DEST
590 to the underlying register.
591 * doc/rtl.texi (REG_EQUAL): Document the behavior of
592 REG_EQUAL/REG_EQUIV notes if SET_DEST is ZERO_EXTRACT.
594 2016-01-26 Roger Ferrer Ibáñez <rofirrim@gmail.com>
597 * config/aarch64/aarch64-builtins.c
598 (aarch64_init_simd_builtin_types): Do not set structural
599 equality to __Poly{8,16,64,128}_t types.
601 2016-01-26 Richard Sandiford <richard.sandiford@arm.com>
603 PR tree-optimization/69400
604 * wide-int.cc (wi_pack): Take the precision as argument and
605 perform canonicalization here rather than in the callers.
606 Use the main loop to handle all full-width HWIs. Add a
607 zero HWI if in_len isn't a full result.
608 (wi::divmod_internal): Update accordingly.
609 (wi::mul_internal): Likewise. Simplify.
611 2016-01-25 Aditya Kumar <aditya.k7@samsung.com>
612 Sebastian Pop <s.pop@samsung.com>
614 * graphite-poly.c (apply_poly_transforms): Simplify.
615 (print_isl_set): Use more readable format: ISL_YAML_STYLE_BLOCK.
616 (print_isl_map): Same.
617 (print_isl_union_map): Same.
618 (print_isl_schedule): New.
619 (debug_isl_schedule): New.
620 * graphite-dependences.c (scop_get_reads): Do not call
621 isl_union_map_add_map that is undocumented isl functionality.
622 (scop_get_must_writes): Same.
623 (scop_get_may_writes): Same.
624 (scop_get_original_schedule): Remove.
625 (scop_get_dependences): Do not call isl_union_map_compute_flow that
626 is deprecated in isl 0.15. Instead, use isl_union_access_* interface.
627 (compute_deps): Remove.
628 * graphite-isl-ast-to-gimple.c (print_schedule_ast): New.
629 (debug_schedule_ast): New.
630 (translate_isl_ast_to_gimple::scop_to_isl_ast): Call
632 (graphite_regenerate_ast_isl): Add dump.
633 (translate_isl_ast_to_gimple::scop_to_isl_ast): Generate code
634 from scop->transformed_schedule.
635 (graphite_regenerate_ast_isl): Add more dump.
636 * graphite-optimize-isl.c (optimize_isl): Set
637 scop->transformed_schedule. Check whether schedules are equal.
638 (apply_poly_transforms): Move here.
639 * graphite-poly.c (apply_poly_transforms): ... from here.
640 (free_poly_bb): Static.
642 (pbb_number_of_iterations_at_time): Remove.
643 (print_isl_ast): New.
644 (debug_isl_ast): New.
645 (debug_scop_pbb): New.
646 * graphite-scop-detection.c (print_edge): Move.
648 * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Remove.
649 (build_scop_scattering): Remove.
650 (create_pw_aff_from_tree): Assert instead of bailing out.
651 (add_condition_to_pbb): Remove unused code, do not fail.
652 (add_conditions_to_domain): Same.
653 (add_conditions_to_constraints): Remove.
654 (build_scop_context): New.
655 (add_iter_domain_dimension): New.
656 (build_iteration_domains): Initialize pbb->iterators.
657 Call add_conditions_to_domain.
660 (index_outermost_in_loop): New.
661 (index_pbb_in_loop): New.
662 (outermost_pbb_in): New.
663 (add_in_sequence): New.
664 (add_outer_projection): New.
665 (outer_projection_mupa): New.
666 (add_loop_schedule): New.
667 (build_schedule_pbb): New.
668 (build_schedule_loop): New.
669 (embed_in_surrounding_loops): New.
670 (build_schedule_loop_nest): New.
671 (build_original_schedule): New.
672 (build_poly_scop): Call build_original_schedule.
673 * graphite.h: Declare print_isl_schedule and debug_isl_schedule.
674 (free_poly_dr): Remove.
675 (struct poly_bb): Add iterators. Remove schedule, transformed, saved.
676 (free_poly_bb): Remove.
677 (debug_loop_vec): Remove.
678 (print_isl_ast): Declare.
679 (debug_isl_ast): Declare.
680 (scop_do_interchange): Remove.
681 (scop_do_strip_mine): Remove.
682 (scop_do_block): Remove.
683 (flatten_all_loops): Remove.
684 (optimize_isl): Remove.
685 (pbb_number_of_iterations_at_time): Remove.
686 (debug_scop_pbb): Declare.
687 (print_schedule_ast): Declare.
688 (debug_schedule_ast): Declare.
689 (struct scop): Remove schedule. Add original_schedule,
690 transformed_schedule.
691 (free_gimple_poly_bb): Remove.
692 (print_generated_program): Remove.
693 (debug_generated_program): Remove.
694 (unify_scattering_dimensions): Remove.
695 * sese.c (print_edge): ... here.
696 (print_sese): ... here.
697 (debug_edge): ... here.
698 (debug_sese): ... here.
699 * sese.h (print_edge): Declare.
700 (print_sese): Declare.
701 (dump_edge): Declare.
702 (dump_sese): Declare.
704 2016-01-25 Aditya Kumar <aditya.k7@samsung.com>
705 Sebastian Pop <s.pop@samsung.com>
707 * Makefile.in: Set ISLVER in site.exp.
709 2016-01-25 Jakub Jelinek <jakub@redhat.com>
711 * omp-low.c (lower_omp_target) <case USE_DEVICE_PTR>: Set
712 DECL_VALUE_EXPR of new_var even for the non-array case. Look
713 through DECL_VALUE_EXPR for expansion.
715 2016-01-25 Bernd Edlinger <bernd.edlinger@hotmail.de>
717 * config/mips/mips.c (mips_compute_frame_info): Skip re-computing
718 the frame info after reload completed.
720 2016-01-25 Jeff Law <law@redhat.com>
722 PR tree-optimization/69196
723 PR tree-optimization/68398
724 * tree-ssa-threadupdate.h (enum bb_dom_status): Moved here from
725 tree-ssa-threadupdate.c.
726 (determine_bb_domination_status): Prototype
727 * tree-ssa-threadupdate.c (enum bb_dom_status): Remove
728 (determine_bb_domination_status): No longer static.
729 (valid_jump_thread_path): Remove code to detect characteristics
730 of the jump thread path not associated with correctness.
731 * tree-ssa-threadbackward.c (fsm_find_control_statment_thread_paths):
732 Correct test for thread path length. Count PHIs for real operands as
733 statements that need to be copied. Do not count ASSERT_EXPRs.
734 Look at all the blocks in the thread path. Compute and selectively
735 filter thread paths based on threading through the latch, threading
736 a multiway branch or crossing a multiway branch.
738 2016-01-25 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
740 * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled): Add
741 decl with __attribute__ ((unused)) annotation.
743 2016-01-25 Ilya Enkovich <enkovich.gnu@gmail.com>
746 * tree-vect-stmts.c (vectorizable_condition): Check vectype
747 of operands is compatible with a statement vectype.
749 2016-01-25 Eric Botcazou <ebotcazou@adacore.com>
751 * doc/extend.texi (scalar_storage_order type attribute): Fix typo and
752 improve wording for mixed storage order support.
754 2016-01-25 Bilyan Borisov <bilyan.borisov@arm.com>
756 * config/aarch64/arm_neon.h (vcvt_s64_f64): New intrinsic.
757 (vcvt_u64_f64): Likewise.
758 (vcvta_s64_f64): Likewise.
759 (vcvta_u64_f64): Likewise.
760 (vcvtm_s64_f64): Likewise.
761 (vcvtm_u64_f64): Likewise.
762 (vcvtn_s64_f64): Likewise.
763 (vcvtn_u64_f64): Likewise.
764 (vcvtp_s64_f64): Likewise.
765 (vcvtp_u64_f64): Likewise.
767 2016-01-25 Claudiu Zissulescu <claziss@synopsys.com>
769 * config/arc/arc.c (TARGET_DWARF_REGISTER_SPAN): Define.
770 (arc_init): Check validity mll64 option.
771 (arc_save_restore): Use double load/store instruction.
772 (arc_expand_movmem): Likewise.
773 (arc_split_move): Don't split if we have double load/store
774 instructions. Returns a boolean.
775 (arc_process_double_reg_moves): Change function to return boolean
776 instead of a sequence of instructions.
777 (arc_dwarf_register_span): New function.
778 * config/arc/arc-protos.h (arc_split_move): Change prototype.
779 * config/arc/arc.h (TARGET_CPU_CPP_BUILTINS): Define __ARC_LL64__.
780 * config/arc/arc.md (*movdi_insn): Emit ldd/std instructions.
781 (*movdf_insn): Likewise.
782 * config/arc/arc.opt (mll64): New option.
783 * config/arc/predicates.md (even_register_operand): New predicate.
784 * doc/invoke.texi (ARC Options): Add mll64 documentation.
786 2016-01-25 Richard Biener <rguenther@suse.de>
789 * dwarf2out.c (is_naming_typedef_decl): Not when DECL_NAMELESS.
790 * tree-streamer-out.c (pack_ts_base_value_fields): Stream
792 * tree-streamer-in.c (unpack_ts_base_value_fields): Likewise.
794 2016-01-25 Richard Biener <rguenther@suse.de>
796 PR tree-optimization/69376
797 * tree-ssa-sccvn.h (struct vn_ssa_aux): Add range_info_anti_range_p
799 (VN_INFO_ANTI_RANGE_P): New inline.
800 (VN_INFO_RANGE_TYPE): Likewise.
801 * tree-ssa-sccvn.c (set_ssa_val_to): Also record and copy
802 SSA_NAME_ANTI_RANGE_P.
803 (free_scc_vn): Restore SSA_NAME_ANTI_RANGE_P.
804 * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
805 Properly query VN_INFO_RANGE_TYPE.
807 2016-01-25 Nick Clifton <nickc@redhat.com>
810 * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Remove definition.
812 2016-01-23 Tom de Vries <tom@codesourcery.com>
814 PR tree-optimization/69426
815 * tree-parloops.c (eliminate_local_variables_stmt): Handle vdef of
818 2016-01-23 Jakub Jelinek <jakub@redhat.com>
820 * tree-ssanames.c (release_free_names_and_compact_live_names): Replace
821 "the the" with "the" in the comments.
822 * ipa-devirt.c (build_type_inheritance_graph,
823 update_type_inheritance_graph): Likewise.
824 * tree.c (build_function_type_list_1): Likewise.
825 * cfgloopmanip.c (scale_loop_profile): Likewise.
826 * tree-ssa-loop-ivopts.c (get_shiftadd_cost): Likewise.
827 * gimple-ssa-split-paths.c
828 (find_block_to_duplicate_for_splitting_paths): Likewise.
829 * tree-sra.c (init_subtree_with_zero, clobber_subtree): Likewise.
830 * expr.c (convert_move): Likewise.
831 * var-tracking.c (vt_stack_adjustments): Likewise.
832 * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Likewise.
833 * tree-vrp.c (test_for_singularity): Likewise.
835 * tree-vect-stmts.c (vectorizable_condition): Build a VEC_COND_EXPR
836 directly instead of building a temporary tree.
839 * genrecog.c: Define INCLUDE_ALGORITHM before including system.h,
840 remove <algorithm> include.
842 2016-01-22 Jakub Jelinek <jakub@redhat.com>
845 * config/i386/i386.c: Include dojump.h.
846 (expand_small_movmem_or_setmem,
847 expand_set_or_movmem_prologue_epilogue_by_misaligned_moves): Spelling
849 (ix86_expand_set_or_movmem): Call do_pending_stack_adjust () early
850 if dynamic_check != -1.
852 2016-01-21 Jeff Law <law@redhat.com>
855 * tree-ssa-dom.c (back_propagate_equivalences): Factored out of
856 record_temporary_equivalences. Rewritten to avoid unnecessary calls
858 (cprop_into_successor_phis): Avoid unnecessary tests.
860 2016-01-22 Richard Henderson <rth@redhat.com>
863 * config/aarch64/aarch64.md (UNSPEC_NZCV): New.
864 (ccmp<mode>, fccmp<mode>, fccmpe<mode>): Use it.
866 2016-01-22 Michael Matz <matz@suse.de>
868 * system.h (string, algorithm): Include only conditionally.
869 (new): Include always under C++.
870 * bb-reorder.c (toplevel): Define INCLUDE_ALGORITHM.
871 * final.c (toplevel): Ditto.
872 * ipa-chkp.c (toplevel): Define INCLUDE_STRING.
873 * genconditions.c (write_header): Make gencondmd.c define
875 * mem-stats.h (mem_usage::print_dash_line): Don't use std::string.
877 * config/aarch64/aarch64.c (toplevel): Define INCLUDE_STRING.
878 * common/config/aarch64/aarch64-common.c (toplevel): Ditto.
880 2016-01-22 Christian Bruel <christian.bruel@st.com>
883 * expr.c (expand_expr_real_1): Reset DECL_MODE if VECTOR_TYPE_P changed.
885 2016-01-22 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
888 * config/arm/thumb2.md (*thumb2_ior_scc_strict_it): Convert to
889 define_insn_and_split. Ensure operands[1] and operands[0] do not
890 get assigned the same register.
892 2016-01-22 Kugan Vivekanandarajah <kuganv@linaro.org>
894 * ipa-prop.c (ipa_set_jf_constant): Remove redundant unshare_expr.
896 2016-01-22 Christian Bruel <christian.bruel@st.com>
898 * config/arm/arm-c.c (arm_pragma_target_parse):
899 Remove warn_builtin_macro_redefined overwrite.
901 2016-01-22 Eric Botcazou <ebotcazou@adacore.com>
903 * ipa-inline.c (can_inline_edge_p): Back out overzealous check on
904 flag_non_call_exceptions compatibility.
906 2016-01-22 Jakub Jelinek <jakub@redhat.com>
909 * dwarf2out.c (add_child_die_after): New function.
910 (dwarf_qual_info_t): New type.
911 (dwarf_qual_info): New variable.
912 (qualified_die_p): New function.
913 (modified_type_die): For -fdebug-types-section, ensure
914 canonical order of qualifiers. Put qualified DIEs adjacent
915 to the corresponding non-qualified type DIE and search there
916 for existing qualified DIEs.
918 2016-01-22 Eric Botcazou <ebotcazou@adacore.com>
920 * doc/extend.texi (scalar_storage_order type attribute): Document
921 restriction on type punning and aliasing, and remove future tense.
923 2016-01-21 Roman Zhuykov <zhroma@ispras.ru>
926 * modulo-sched.c (optimize_sc): Allow branch-scheduling to add a new
929 2016-01-21 Jeff Law <law@redhat.com>
932 * tree-ssa-dom.c (dom_opt_dom_walker::thread_across_edge): Avoid
933 useless call to record_temporary_equivalences.
934 * tree-ssa-threadbackward.c (find_jump_threads_backwards): Just
935 allocate 10 slots in the bb_path vector and let it grow as needed.
936 (fsm_find_control_statement_thread_paths): Similarly for the next_path
939 2016-01-21 David Edelsohn <dje.gcc@gmail.com>
941 * configure.ac (gcc_cv_as_powerpc_mfcrf, gcc_cv_as_machine_directive):
943 * configure: Regenerate.
945 2016-01-21 Pat Haugen <pthaugen@us.ibm.com>
947 * config/rs6000/aix71.h (ASM_CPU_SPEC): Add entry for Power9.
948 * config/rs6000/driver-rs6000.c (struct asm_names): Likewise.
950 2016-01-21 Bernd Schmidt <bschmidt@redhat.com>
953 * expr.c (expand_expr_real_2) [PLUS_EXPR, MINUS_EXPR]: Don't
954 drop EXPAND_INITIALIZER.
955 * rtl.h (contains_symbolic_reference_p): Declare.
956 * rtlanal.c (contains_symbolic_reference_p): New function.
957 * simplify-rtx.c (simplify_binary_operation_1): Don't turn
958 a subtraction into a NOT if symbolic constants are involved.
960 2016-01-21 Anton Blanchard <anton@samba.org>
961 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
964 * config/rs6000/linux64.h (TARGET_KEEP_LEAF_WHEN_PROFILED): New
966 * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled): New
969 2016-01-21 Ajit Agarwal <ajitkum@xilinx.com>
971 * config/microblaze/microblaze.c
972 (get_branch_target): New.
973 (insert_wic_for_ilb_runout): New.
975 (microblaze_machine_dependent_reorg): New.
976 (TARGET_MACHINE_DEPENDENT_REORG): Define macro.
977 * config/microblaze/microblaze.md
978 (UNSPEC_IPREFETCH): Define.
979 (iprefetch): New pattern
980 * config/microblaze/microblaze.opt
981 (mxl-prefetch): New flag.
983 2016-01-21 Ajit Agarwal <ajitkum@xilinx.com>
985 * config/microblaze/microblaze.h
986 (FIXED_REGISTERS): Update in macro.
987 (CALL_USED_REGISTERS): Update in macro.
989 2016-01-21 Yuri Rumyantsev <ysrumyan@gmail.com>
991 PR rtl-optimization/68920
992 * ifcvt.c (cond_move_process_if_block): Limit number of conditional
995 2016-01-21 Vladimir Makarov <vmakarov@redhat.com>
997 PR rtl-optimization/68990
998 * lra-coalesce.c (lra_coalesce): Invalidate value for the result
999 pseudo instead of inheritance ones.
1001 2016-01-21 Bernd Edlinger <bernd.edlinger@hotmail.de>
1002 Nick Clifton <nickc@redhat.com>
1006 * config/mips/mips.c (mips_compute_frame_info): Initialise
1007 args_size and hard_frame_pointer_offset fields of the frame
1008 structure before calling mips_global_pointer.
1010 2016-01-21 David Edelsohn <dje.gcc@gmail.com>
1012 * configure.ac (gcc_cv_as_dwloc): Test support for debug frame section
1014 * configure: Regenerate.
1016 2016-01-21 Richard Biener <rguenther@suse.de>
1018 * graphite-optimize-isl.c (get_schedule_map): Fix typo.
1020 2016-01-21 Marcin Kościelnicki <koriakin@0x04.net>
1022 * config/s390/s390.c (s390_asm_declare_function_size): Add code
1023 to actually emit the .size directive.
1025 2016-01-21 Stefan Sørensen <stefan.sorensen@spectralink.com>
1026 Jakub Jelinek <jakub@redhat.com>
1030 * config/arm/arm-builtins.c (arm_expand_neon_builtin): Increase
1031 args array size by one to avoid buffer overflow.
1033 2016-01-21 Marcin Kościelnicki <koriakin@0x04.net>
1035 * config/s390/s390.md (pool_section_start): Use switch_to_section
1036 to select proper read-only data section instead of hardcoding
1038 (pool_section_end): Use switch_to_section to match the above.
1040 2016-01-21 Richard Biener <rguenther@suse.de>
1042 PR tree-optimization/69378
1043 * tree-ssa-sccvn.c (dominated_by_p_w_unex): New function.
1044 (set_ssa_val_to): Use it for dominance checks taking into
1045 account not executable edges.
1047 2016-01-21 Jakub Jelinek <jakub@redhat.com>
1050 * tree-dfa.c (get_ref_base_and_extent): Use GET_MODE_BITSIZE (mode)
1051 for bitsize instead of GET_MODE_PRECISION (mode).
1053 2016-01-20 Martin Sebor <msebor@redhat.com>
1056 * extend.texi (__sync Builtins): Clarify the semantics of
1057 __sync_fetch_and_OP built-ins on pointers.
1058 (__atomic Builtins): Same.
1060 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
1061 Sebastian Pop <s.pop@samsung.com>
1063 * graphite-isl-ast-to-gimple.c (enum phi_node_kind): New.
1064 (class translate_isl_ast_to_gimple): Use phi_node_kind instead of bool.
1065 (is_valid_rename): Same.
1066 (translate_isl_ast_to_gimple::get_rename): Same.
1067 (translate_isl_ast_to_gimple::rename_all_uses): Same.
1068 (translate_isl_ast_to_gimple::rename_uses): Same.
1069 (get_new_name): Check for close_phi nodes.
1070 (copy_loop_phi_args): Use phi_node_kind.
1071 (translate_isl_ast_to_gimple::copy_loop_close_phi_args): Same.
1072 (translate_isl_ast_to_gimple::copy_cond_phi_args): Same.
1074 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
1075 Sebastian Pop <s.pop@samsung.com>
1077 Revert commit r229783.
1078 * graphite-isl-ast-to-gimple.c (gcc_expression_from_isl_ast_expr_id):
1079 Remove use of parameter_rename_map.
1081 (copy_internal_parameters): Remove.
1082 (graphite_regenerate_ast_isl): Remove call to copy_internal_parameters.
1083 * sese.c (new_sese_info): Do not initialize parameter_rename_map.
1084 (free_sese_info): Do not free parameter_rename_map.
1085 (set_rename): Do not use parameter_rename_map.
1086 (rename_uses): Update call to set_rename.
1087 (graphite_copy_stmts_from_block): Do not use parameter_rename_map.
1088 * sese.h (parameter_rename_map_t): Remove.
1089 (struct sese_info_t): Remove field parameter_rename_map.
1091 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
1092 Sebastian Pop <s.pop@samsung.com>
1094 * graphite-isl-ast-to-gimple.c: Fix comment.
1095 * graphite-scop-detection.c (defined_in_loop_p): New.
1096 (canonicalize_loop_closed_ssa): Do not add close phi nodes for SSA
1097 names defined in loop.
1099 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
1100 Sebastian Pop <s.pop@samsung.com>
1102 * graphite-scop-detection.c (scop_detection::harmful_loop_in_region):
1103 Discard unstructured if-then-else regions.
1105 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
1106 Sebastian Pop <s.pop@samsung.com>
1108 * graphite-sese-to-poly.c (set_scop_parameter_dim): Remove.
1109 (cleanup_loop_iter_dom): Remove.
1110 (build_loop_iteration_domains): Remove.
1111 (build_scop_context): Remove.
1112 (build_scop_iteration_domain): Remove.
1113 (add_loop_constraints): New.
1114 (build_iteration_domains): New.
1115 (build_poly_scop): Call build_iteration_domains.
1117 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
1118 Sebastian Pop <s.pop@samsung.com>
1120 * graphite-scop-detection.c
1121 (scop_detection::harmful_loop_in_region): Free dom and loops.
1122 (scop_detection::loop_body_is_valid_scop): Free bbs.
1124 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
1125 Sebastian Pop <s.pop@samsung.com>
1127 * graphite-scop-detection.c (record_loop_in_sese): New.
1128 (gather_bbs::before_dom_children): Call record_loop_in_sese.
1129 (build_scops): Remove call to build_sese_loop_nests.
1130 * sese.c (sese_record_loop): Remove.
1131 (build_sese_loop_nests): Remove.
1132 (new_sese_info): Remove region->loops.
1133 (free_sese_info): Same.
1134 * sese.h (sese_contains_loop): Same.
1135 (build_sese_loop_nests): Remove.
1136 (sese_contains_loop): Remove.
1138 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
1139 Sebastian Pop <s.pop@samsung.com>
1141 * graphite-scop-detection.c (loop_is_valid_scop): Renamed
1142 loop_is_valid_in_scop.
1143 (scop_detection::harmful_stmt_in_region): Renamed
1144 harmful_loop_in_region.
1145 Call loop_is_valid_in_scop.
1147 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
1148 Sebastian Pop <s.pop@samsung.com>
1150 * graphite-isl-ast-to-gimple.c (translate_isl_ast): Also handle
1153 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
1154 Sebastian Pop <s.pop@samsung.com>
1156 * graphite-poly.c (new_poly_bb): Remove use of PBB_IS_REDUCTION.
1157 * graphite.h (struct poly_bb): Remove field is_reduction.
1158 (PBB_IS_REDUCTION): Remove.
1160 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
1161 Sebastian Pop <s.pop@samsung.com>
1163 * graphite-dependences.c (constrain_domain): Add call to isl_*_coalesce.
1164 (add_pdr_constraints): Same.
1165 (scop_get_reads): Same.
1166 (scop_get_must_writes): Same.
1167 (scop_get_may_writes): Same.
1168 (scop_get_original_schedule): Same.
1169 (extend_schedule): Same.
1170 (apply_schedule_on_deps): Same.
1171 (carries_deps): Same.
1172 (compute_deps): Same.
1173 (scop_get_dependences): Same.
1174 * graphite-isl-ast-to-gimple.c
1175 (translate_isl_ast_to_gimple::generate_isl_schedule): Same.
1176 * graphite-optimize-isl.c (get_schedule_for_band): Same.
1177 (get_schedule_for_band_list): Same.
1178 (get_schedule_map): Same.
1179 (apply_schedule_map_to_scop): Same.
1180 * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
1181 (build_loop_iteration_domains): Same.
1182 (add_condition_to_pbb): Same.
1183 (add_param_constraints): Same.
1184 (pdr_add_memory_accesses): Same.
1185 (pdr_add_data_dimensions): Same.
1187 2016-01-20 Sandra Loosemore <sandra@codesourcery.com>
1189 * doc/invoke.texi (Instrumentation Options): Clarify -mmpx linking
1192 2016-01-20 Sandra Loosemore <sandra@codesourcery.com>
1194 * common.opt (feliminate-dwarf2-dups): Replace references to
1195 "DWARF 2" with just "DWARF".
1196 * config/ia64/ia64.opt (mdwarf2-asm): Likewise.
1197 * doc/extend.texi: Likewise.
1198 * doc/cpp.texi: Likewise.
1199 * doc/invoke.texi: Likewise.
1200 (Option Summary): Add -gdwarf to list of Debugging Options.
1201 (Debugging Options): Document -gdwarf.
1202 * doc/contrib.texi: Spell "DWARF" like that.
1204 2016-01-21 Jakub Jelinek <jakub@redhat.com>
1206 * omp-low.c (expand_omp_target): Avoid -Wmaybe-uninitialized
1207 warning. Fix up formatting.
1210 * gimplify.c (gimplify_asm_expr): Warn if it is too late to
1211 attempt to mark memory input operand addressable and
1212 call prepare_gimple_addressable in that case. Don't adjust
1213 input_location for diagnostics, use error_at instead.
1215 2016-01-20 Peter Bergner <bergner@vnet.ibm.com>
1217 * config/rs6000/ppc-auxv.h: New file.
1218 * config/rs6000/rs6000-builtin.def (cpu_init): Add new builtin.
1220 (cpu_supports): Likewise.
1221 * config/rs6000/rs6000.c: include "ppc-auxv.h".
1222 (cpu_is_info): New variable.
1223 (cpu_supports_info): Likewise.
1224 (tcb_verification_symbol): Likewise.
1225 (cpu_builtin_p): Likewise.
1226 (cpu_expand_builtin): New function.
1227 (rs6000_expand_ternop_builtin): Add support for CPU builtin functions.
1228 (rs6000_init_builtins): Likewise.
1229 (rs6000_elf_file_end): Emit HWCAP in TCB verification symbol.
1230 * config/rs6000/rs6000.h (TLS_REGNUM): New define.
1231 * configure.ac (gcc_cv_libc_provides_hwcap_in_tcb): New test.
1232 * configure: Regenerate.
1233 * config.in: Likewise.
1234 * doc/extend.texi (PowerPC Built-in Functions): Document
1235 __builtin_cpu_init, __builtin_cpu_is and __builtin_cpu_supports.
1237 2016-01-20 David Edelsohn <dje.gcc@gmail.com>
1240 * config/rs6000/rs6000.c (rs6000_emit_swsqrt): Add vector sqrt
1242 * config/rs6000/vector.md (sqrt<mode>2): Call rs6000_emit_swsqrt
1245 2016-01-20 Richard Henderson <rth@redhat.com>
1251 * tree.c (tm_define_builtin): New.
1252 (find_tm_vector_type): New.
1253 (build_tm_vector_builtins): New.
1254 (build_common_builtin_nodes): Call it.
1256 2016-01-20 Christophe Lyon <christophe.lyon@linaro.org>
1258 * doc/sourcebuild.texi (arm_crypto_pragma_ok): Document new entry.
1259 (arm_fp_ok): Likewise.
1261 (arm_crypto): Likewise.
1263 2016-01-20 Ilya Enkovich <enkovich.gnu@gmail.com>
1264 Richard Biener <rguenther@suse.de>
1266 PR tree-optimization/69328
1267 * tree-vect-stmts.c (vect_is_simple_cond): Check compared
1268 vectors have same number of elements.
1269 (vectorizable_condition): Fix masked version recognition.
1271 2016-01-20 Richard Biener <rguenther@suse.de>
1273 PR tree-optimization/69345
1274 * tree-ssa-sccvn.h (VN_INFO_RANGE_INFO): New inline function.
1275 (VN_INFO_PTR_INFO): Likewise.
1276 * tree-ssa-sccvn.c (set_ssa_val_to): Avoid clearing points-to
1277 info when it is equal between non-dominating SSA names.
1278 * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
1279 Make sure to look at original SSA infos.
1281 2016-01-20 Jeff Law <law@redhat.com>
1284 * config/m68k/predicates.md (pow2_m1_operand): New predicate
1286 (reg_or_pow2_m1_operand): Call pow2_m1_operand.
1287 (pc_or_label_operand): New predicate.
1288 * config/m68k/m68k.md: Add new peephole2 patterns for GTU/LEU
1289 tests for small integers that are 2^n - 1.
1291 2016-01-20 Jonathan Wakely <jwakely@redhat.com>
1293 * doc/invoke.texi (Options Summary): Add '.' after @xref.
1295 2016-01-19 Jeff Law <law@redhat.com>
1298 * tree-ssa-threadbackwards.c
1299 (fsm_find_control_statement_thread_paths): Do not try to lookup
1300 FSM paths for SSA_NAMEs appearing in abnormal PHIs.
1302 2016-01-20 Kugan Vivekanandarajah <kuganv@linaro.org>
1304 * doc/lto.texi: Remove text that says only Gold has linker plugin
1307 2016-01-19 Eric Botcazou <ebotcazou@adacore.com>
1309 * dwarf2out.c (need_endianity_attribute_p): New inline predicate.
1310 (base_type_die): Add REVERSE parameter and attach DW_AT_endianity to
1311 the DIE accordingly.
1312 (modified_type_die): Add REVERSE parameter and pass it recursively,
1313 as well as to base_type_die. Adjust presence check accordingly.
1314 (base_type_for_mode): Adjust call to modified_type_die.
1315 (add_type_attribute): Add REVERSE parameter and pass it to
1317 (generic_parameter_die): Adjust call to add_type_attribute.
1318 (add_scalar_info): Likewise.
1319 (add_subscript_info): Likewise.
1320 (gen_array_type_die): Likewise.
1321 (gen_descr_array_type_die): Likewise.
1322 (gen_entry_point_die): Likewise.
1323 (gen_enumeration_type_die): Likewise.
1324 (gen_formal_parameter_die): Likewise.
1325 (gen_subprogram_die): Likewise.
1326 (gen_variable_die ): Likewise.
1327 (gen_const_die): Likewise.
1328 (gen_field_die): Likewise.
1329 (gen_pointer_type_die): Likewise.
1330 (gen_reference_type_die): Likewise.
1331 (gen_ptr_to_mbr_type_die): Likewise.
1332 (gen_inheritance_die): Likewise.
1333 (gen_subroutine_type_die): Likewise.
1334 (gen_typedef_die): Likewise.
1335 (force_type_die): Adjust call to modified_type_die.
1337 2016-01-19 Sandra Loosemore <sandra@codesourcery.com>
1339 * doc/standards.texi: Copy-editing for grammar, markup, and sentence
1340 flow throughout the file. Fix broken link to Objective-C 2.0
1342 * doc/invoke.texi: More copy-editing; fix numerous typos and spelling
1345 2016-01-19 Wilco Dijkstra <wdijkstr@arm.com>
1347 * ccmp.c (expand_ccmp_expr_1): Avoid spurious unused warnings.
1349 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
1352 * ipa-devirt.c (is_cxa_pure_virtual_p): New function.
1353 (maybe_record_node): Record cxa_pure_virtual as the only possible
1354 target if there are not ohter candidates.
1355 (possible_polymorphic_call_target_p): Accept cxa_pure_virtual.
1357 2016-01-19 Richard Biener <rguenther@suse.de>
1359 * hsa-gen.c (get_memory_order_name): Use MEMMODEL_ constants.
1360 (get_memory_order): Likewise.
1362 2016-01-19 Kirill Yukhin <kirill.yukhin@intel.com>
1364 * tree-vect-stmts.c (vectorizable_store): Check
1367 2016-01-19 David Malcolm <dmalcolm@redhat.com>
1370 * gcc.c (driver::decode_argv): Add call to
1371 init_opts_obstack before init_options_struct.
1372 * opts.c (init_opts_obstack): Remove idempotency.
1373 (init_options_struct): Replace call to init_opts_obstack
1374 with a gcc_assert to verify that it has already been called.
1375 * toplev.c (toplev::main): Add call to init_opts_obstack before
1376 calls to init_options_struct.
1377 (toplev::finalize): Move cleanup of opts_obstack next to
1378 cleanup of save_decoded_options, clearing the latter, and
1379 save_decoded_options_count.
1381 2016-01-19 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1384 * config/arm/vfp.md (l<vrint_pattern><su_optab><mode>si2): Set "conds"
1385 attribute to unconditional. Remove %? from output template.
1387 2015-01-19 Wilco Dijkstra <wdijkstr@arm.com>
1388 Jiong Wang <jiong.wang@arm.com>
1390 * ccmp.c (expand_ccmp_expr_1): Cost the instruction sequences
1391 generated from different expand order.
1393 2015-01-19 Wilco Dijkstra <wdijkstr@arm.com>
1395 * /config/aarch64/aarch64.c (aarch64_if_then_else_costs):
1396 Add support for CCMP costing.
1398 2015-01-19 Wilco Dijkstra <wdijkstr@arm.com>
1400 * ccmp.c (ccmp_candidate_p): Remove integer-only restriction.
1401 * config/aarch64/aarch64.md (fccmp<mode>): New pattern.
1402 (fccmpe<mode>): Likewise.
1403 (fcmp): Rename to fcmp and globalize pattern.
1405 * config/aarch64/aarch64.c (aarch64_gen_ccmp_first): Add FP support.
1406 (aarch64_gen_ccmp_next): Add FP support.
1408 2015-01-19 Wilco Dijkstra <wdijkstr@arm.com>
1410 * target.def (gen_ccmp_first): Update documentation.
1411 (gen_ccmp_next): Likewise.
1412 * doc/tm.texi (gen_ccmp_first): Update documentation.
1413 (gen_ccmp_next): Likewise.
1414 * ccmp.c (expand_ccmp_expr): Extract cmp_code from return value of
1415 expand_ccmp_expr_1. Improve comments.
1416 * config/aarch64/aarch64.md (ccmp_and): Use if_then_else for ccmp.
1417 (ccmp_ior<mode>): Remove pattern.
1418 (cmp<mode>): Remove expand.
1419 (cmp): Globalize pattern.
1420 (cstorecc4): Use cc_register.
1421 (mov<mode>cc): Remove ccmp_cc_register check.
1422 * config/aarch64/aarch64.c (aarch64_get_condition_code_1):
1423 Simplify after removal of CC_DNE/* modes.
1424 (aarch64_ccmp_mode_to_code): Remove.
1425 (aarch64_print_operand): Remove 'K' case. Merge 'm' and 'M' cases.
1426 In 'k' case use integer as condition.
1427 (aarch64_nzcv_codes): Remove inverted cases.
1428 (aarch64_code_to_ccmode): Remove.
1429 (aarch64_gen_ccmp_first): Use cmp pattern directly. Return the correct
1430 comparison with CC register to be used in folowing CCMP/branch/CSEL.
1431 (aarch64_gen_ccmp_next): Use previous comparison and mode in CCMP
1432 pattern. Return the comparison with CC register. Invert conditions
1434 * config/aarch64/aarch64-modes.def: Remove CC_DNE/* modes.
1435 * config/aarch64/predicates.md (ccmp_cc_register): Remove.
1437 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
1439 * cgraphunit.c (cgraph_node::reset): Clear thunk info and
1440 instrumented_version.
1442 2016-01-19 Richard Biener <rguenther@suse.de>
1444 PR tree-optimization/69336
1445 * tree-ssa-scopedtables.c (avail_expr_hash): Handle all
1446 handled components with get_ref_base_and_extent.
1447 (equal_mem_array_ref_p): Adjust.
1449 2016-01-19 Jakub Jelinek <jakub@redhat.com>
1452 * shrink-wrap.c: Include valtrack.h.
1453 (move_insn_for_shrink_wrap): Add DEBUG argument. If
1454 MAY_HAVE_DEBUG_INSNS, call dead_debug_add on DEBUG_INSNs
1455 in between insn and where it will be moved to. Call
1456 dead_debug_insert_temp.
1457 (prepare_shrink_wrap): Adjust caller. Call dead_debug_local_init
1458 first and dead_debug_local_finish at the end.
1459 For uses and defs bitmap, handle all regs in between REGNO and
1460 END_REGNO, not just the first one.
1462 2016-01-19 Richard Biener <rguenther@suse.de>
1464 PR tree-optimization/69352
1465 * tree-ssa-scopedtables.c (avail_expr_hash): Check for size == -1.
1466 (equal_mem_array_ref_p): Constrain size and max size properly.
1467 Compare the reverse flag.
1469 2016-01-19 Bernd Schmidt <bschmidt@redhat.com>
1471 * ira.c (ira): Update regstat data if we deleted insns.
1473 2016-01-19 Jakub Jelinek <jakub@redhat.com>
1475 PR rtl-optimization/68955
1476 PR rtl-optimization/64557
1477 * dse.c (record_store, check_mem_read_rtx): Don't call get_addr
1478 here. Fix up formatting.
1479 * alias.c (get_addr): Handle VALUE +/- CONST_SCALAR_INT_P.
1481 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
1484 * cgraphunit.c (cgraph_node::expand_thunk): When forcing gimple
1485 assume that the node has body.
1486 * cgraph.c (cgraph_node::get_untransformed_body): Use gimple_body_p
1489 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
1491 * lto-streamer-out.c (lto_output): Do not stream instrumentation
1494 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
1496 * symtab.c (symtab_node::asm_name): Do not call printable name directly.
1497 (symtab_node::name): Report name as unnamed if DECL_NAME is not set.
1499 2016-01-19 Martin Jambor <mjambor@suse.cz>
1500 Martin Liska <mliska@suse.cz>
1501 Michael Matz <matz@suse.de>
1503 * Makefile.in (OBJS): Add new source files.
1504 (GTFILES): Add hsa.c.
1505 * common.opt (disable_hsa): New variable.
1506 (-Whsa): New warning.
1507 * config.in (ENABLE_HSA): New.
1508 * configure.ac: Treat hsa differently from other accelerators.
1509 (OFFLOAD_TARGETS): Define ENABLE_OFFLOADING according to
1511 (ENABLE_HSA): Define ENABLE_HSA according to $enable_hsa.
1512 * doc/install.texi (Configuration): Document --with-hsa-runtime,
1513 --with-hsa-runtime-include, --with-hsa-runtime-lib and
1515 * doc/invoke.texi (-Whsa): Document.
1516 (hsa-gen-debug-stores): Likewise.
1517 * lto-wrapper.c (compile_images_for_offload_targets): Do not attempt
1518 to invoke offload compiler for hsa acclerator.
1519 * opts.c (common_handle_option): Determine whether HSA offloading
1520 should be performed.
1521 * params.def (PARAM_HSA_GEN_DEBUG_STORES): New parameter.
1522 * builtin-types.def (BT_FN_VOID_UINT_PTR_INT_PTR): New.
1523 (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_INT_INT): Removed.
1524 (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_PTR): New.
1525 * gimple-low.c (lower_stmt): Also handle GIMPLE_OMP_GRID_BODY.
1526 * gimple-pretty-print.c (dump_gimple_omp_for): Also handle
1527 GF_OMP_FOR_KIND_GRID_LOOP.
1528 (dump_gimple_omp_block): Also handle GIMPLE_OMP_GRID_BODY.
1529 (pp_gimple_stmt_1): Likewise.
1530 * gimple-walk.c (walk_gimple_stmt): Likewise.
1531 * gimple.c (gimple_build_omp_grid_body): New function.
1532 (gimple_copy): Also handle GIMPLE_OMP_GRID_BODY.
1533 * gimple.def (GIMPLE_OMP_GRID_BODY): New.
1534 * gimple.h (enum gf_mask): Added GF_OMP_PARALLEL_GRID_PHONY,
1535 GF_OMP_FOR_KIND_GRID_LOOP, GF_OMP_FOR_GRID_PHONY and
1536 GF_OMP_TEAMS_GRID_PHONY.
1537 (gimple_statement_omp_single_layout): Updated comments.
1538 (gimple_build_omp_grid_body): New function.
1539 (gimple_has_substatements): Also handle GIMPLE_OMP_GRID_BODY.
1540 (gimple_omp_for_grid_phony): New function.
1541 (gimple_omp_for_set_grid_phony): Likewise.
1542 (gimple_omp_parallel_grid_phony): Likewise.
1543 (gimple_omp_parallel_set_grid_phony): Likewise.
1544 (gimple_omp_teams_grid_phony): Likewise.
1545 (gimple_omp_teams_set_grid_phony): Likewise.
1546 (gimple_return_set_retbnd): Also handle GIMPLE_OMP_GRID_BODY.
1547 * omp-builtins.def (BUILT_IN_GOMP_OFFLOAD_REGISTER): New.
1548 (BUILT_IN_GOMP_OFFLOAD_UNREGISTER): Likewise.
1549 (BUILT_IN_GOMP_TARGET): Updated type.
1550 * omp-low.c: Include symbol-summary.h, hsa.h and params.h.
1551 (adjust_for_condition): New function.
1552 (get_omp_for_step_from_incr): Likewise.
1553 (extract_omp_for_data): Moved parts to adjust_for_condition and
1554 get_omp_for_step_from_incr.
1555 (build_outer_var_ref): Handle GIMPLE_OMP_GRID_BODY.
1556 (fixup_child_record_type): Bail out if receiver_decl is NULL.
1557 (scan_sharing_clauses): Handle OMP_CLAUSE__GRIDDIM_.
1558 (scan_omp_parallel): Do not create child functions for phony
1560 (check_omp_nesting_restrictions): Handle GIMPLE_OMP_GRID_BODY.
1561 (scan_omp_1_op): Checking assert we are not remapping to
1562 ERROR_MARK. Also also handle GIMPLE_OMP_GRID_BODY.
1563 (parallel_needs_hsa_kernel_p): New function.
1564 (expand_parallel_call): Register apprpriate parallel child
1565 functions as HSA kernels.
1566 (grid_launch_attributes_trees): New type.
1567 (grid_attr_trees): New variable.
1568 (grid_create_kernel_launch_attr_types): New function.
1569 (grid_insert_store_range_dim): Likewise.
1570 (grid_get_kernel_launch_attributes): Likewise.
1571 (get_target_argument_identifier_1): Likewise.
1572 (get_target_argument_identifier): Likewise.
1573 (get_target_argument_value): Likewise.
1574 (push_target_argument_according_to_value): Likewise.
1575 (get_target_arguments): Likewise.
1576 (expand_omp_target): Call get_target_arguments instead of looking
1577 up for teams and thread limit.
1578 (grid_expand_omp_for_loop): New function.
1579 (grid_arg_decl_map): New type.
1580 (grid_remap_kernel_arg_accesses): New function.
1581 (grid_expand_target_kernel_body): New function.
1582 (expand_omp): Call it.
1583 (lower_omp_for): Do not emit phony constructs.
1584 (lower_omp_taskreg): Do not emit phony constructs but create for them
1585 a temporary variable receiver_decl.
1586 (lower_omp_taskreg): Do not emit phony constructs.
1587 (lower_omp_teams): Likewise.
1588 (lower_omp_grid_body): New function.
1589 (lower_omp_1): Call it.
1590 (grid_reg_assignment_to_local_var_p): New function.
1591 (grid_seq_only_contains_local_assignments): Likewise.
1592 (grid_find_single_omp_among_assignments_1): Likewise.
1593 (grid_find_single_omp_among_assignments): Likewise.
1594 (grid_find_ungridifiable_statement): Likewise.
1595 (grid_target_follows_gridifiable_pattern): Likewise.
1596 (grid_remap_prebody_decls): Likewise.
1597 (grid_copy_leading_local_assignments): Likewise.
1598 (grid_process_kernel_body_copy): Likewise.
1599 (grid_attempt_target_gridification): Likewise.
1600 (grid_gridify_all_targets_stmt): Likewise.
1601 (grid_gridify_all_targets): Likewise.
1602 (execute_lower_omp): Call grid_gridify_all_targets.
1603 (make_gimple_omp_edges): Handle GIMPLE_OMP_GRID_BODY.
1604 * tree-core.h (omp_clause_code): Added OMP_CLAUSE__GRIDDIM_.
1605 (tree_omp_clause): Added union field dimension.
1606 * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE__GRIDDIM_.
1607 * tree.c (omp_clause_num_ops): Added number of arguments of
1608 OMP_CLAUSE__GRIDDIM_.
1609 (omp_clause_code_name): Added name of OMP_CLAUSE__GRIDDIM_.
1610 (walk_tree_1): Handle OMP_CLAUSE__GRIDDIM_.
1611 * tree.h (OMP_CLAUSE_GRIDDIM_DIMENSION): New.
1612 (OMP_CLAUSE_SET_GRIDDIM_DIMENSION): Likewise.
1613 (OMP_CLAUSE_GRIDDIM_SIZE): Likewise.
1614 (OMP_CLAUSE_GRIDDIM_GROUP): Likewise.
1615 * passes.def: Schedule pass_ipa_hsa and pass_gen_hsail.
1616 * tree-pass.h (make_pass_gen_hsail): Declare.
1617 (make_pass_ipa_hsa): Likewise.
1618 * ipa-hsa.c: New file.
1619 * lto-section-in.c (lto_section_name): Add hsa section name.
1620 * lto-streamer.h (lto_section_type): Add hsa section.
1621 * timevar.def (TV_IPA_HSA): New.
1622 * hsa-brig-format.h: New file.
1623 * hsa-brig.c: New file.
1624 * hsa-dump.c: Likewise.
1625 * hsa-gen.c: Likewise.
1628 * toplev.c (compile_file): Call hsa_output_brig.
1629 * hsa-regalloc.c: New file.
1631 2016-01-18 Jeff Law <law@redhat.com>
1633 PR tree-optimization/69320
1634 * tree-ssa-dom.c (record_edge_info): For comparisons against a boolean
1635 ranged object, do nothing if the RHS constant is not [0..1].
1636 (optimize_stmt): Comparing a boolean ranged object against a
1637 constant outside [0..1] results in a compile-time constant.
1639 * tree-ssanames.c (ssa_name_has_boolean_range): Remove unnecessary
1642 2016-01-18 Sandra Loosemore <sandra@codesourcery.com>
1644 * doc/invoke.texi (Invoking GCC): Add new section to menu.
1645 (Option Summary): Update to reflect new section and moved options.
1646 (C++ Dialect Options): Move -fstats to new section.
1647 (Debugging Options): Move all dump, statistics, and other GCC
1648 developer options to new section. Rewrite section introduction
1649 and re-order remaining options to put the more basic ones first.
1650 (Optimization Options): Move -fira-verbose and -flto-report* to
1652 (Developer Options): New section incorporating moved options.
1653 * doc/cppopts.texi (-dM): Update cross-reference.
1655 2016-01-18 Richard Henderson <rth@redhat.com>
1658 * config/aarch64/aarch64.md (add<GPI>3): Move long immediate
1659 operands to pseudo only if CSE is expected. Split long immediate
1660 operands only after reload, and for the stack pointer.
1661 (*add<GPI>3_pluslong): Remove.
1662 (*addsi3_aarch64, *adddi3_aarch64): Merge into...
1663 (*add<GPI>3_aarch64): ... here. Add r/rk/Upl alternative.
1664 (*addsi3_aarch64_uxtw): Add r/rk/Upl alternative.
1665 (*add<GPI>3 peepholes): New.
1666 (*add<GPI>3 splitters): New.
1667 * config/aarch64/constraints.md (Upl): New.
1668 * config/aarch64/predicates.md (aarch64_pluslong_strict_immedate): New.
1670 2016-01-18 Richard Biener <rguenther@suse.de>
1672 PR tree-optimization/69297
1673 * tree-vect-slp.c (vect_bb_slp_scalar_cost): Count each scalar
1675 (vect_bb_vectorization_profitable_p): Clear visited flag again.
1677 2016-01-18 Yuri Rumyantsev <ysrumyan@gmail.com>
1680 * fold-const.c (fold_binary_op_with_conditional_arg): Bail out for case
1681 of mixind vector and scalar types.
1682 (fold_relational_const): Add handling of vector
1683 comparison with boolean result.
1684 * tree-cfg.c (verify_gimple_comparison): Add argument CODE, allow
1685 comparison of vector operands with boolean result for EQ/NE only.
1686 (verify_gimple_assign_binary): Adjust call for verify_gimple_comparison.
1687 (verify_gimple_cond): Likewise.
1688 * tree-vrp.c (extract_code_and_val_from_cond_with_ops): Modify check on
1691 2016-01-18 Joseph Myers <joseph@codesourcery.com>
1693 * config/mips/mips.h (ISA_HAS_PAIRED_SINGLE): Require
1696 2016-01-18 Richard Biener <rguenther@suse.de>
1699 * gimple.c (gimple_could_trap_p_1): Handle GIMPLE_COND.
1701 2016-01-18 Tom de Vries <tom@codesourcery.com>
1703 * passes.def: Add pass_parallelize_loops to pass_oacc_kernels.
1705 2016-01-18 Tom de Vries <tom@codesourcery.com>
1707 * omp-low.c (set_oacc_fn_attrib): Make extern.
1708 * omp-low.h (set_oacc_fn_attrib): Declare.
1709 * tree-parloops.c (struct reduction_info): Add reduc_addr field.
1710 (create_call_for_reduction_1): Handle case that reduc_addr is non-NULL.
1711 (create_parallel_loop, gen_parallel_loop, try_create_reduction_list):
1712 Add and handle function parameter oacc_kernels_p.
1713 (find_reduc_addr, get_omp_data_i_param): New function.
1714 (ref_conflicts_with_region, oacc_entry_exit_ok_1)
1715 (oacc_entry_exit_single_gang, oacc_entry_exit_ok): New function.
1716 (parallelize_loops): Add and handle function parameter oacc_kernels_p.
1717 Calculate dominance info. Skip loops that are not in a kernels region
1718 in oacc_kernels_p mode. Skip inner loops of parallelized loops.
1719 (pass_parallelize_loops::execute): Call parallelize_loops with
1720 oacc_kernels_p argument.
1721 (pass_parallelize_loops::clone, pass_parallelize_loops::set_pass_param):
1722 New member function.
1723 (pass_parallelize_loops::bool oacc_kernels_p): New member var.
1724 * passes.def: Add argument to pass_parallelize_loops instantation.
1726 2016-01-18 Tom de Vries <tom@codesourcery.com>
1728 * tree-parloops.c (pass_parallelize_loops::execute): Allow
1729 pass_parallelize_loops to be run outside the loop pipeline.
1731 2016-01-18 Alan Lawrence <alan.lawrence@arm.com>
1733 * tree-scalar-evolution.c (follow_copies_to_constant): New.
1734 (analyze_initial_condition, analyze_scalar_evolution_1): Call previous.
1736 2016-01-18 Alan Lawrence <alan.lawrence@arm.com>
1739 * tree-ssa-scopedtables.c (avail_expr_hash): Hash MEM_REF and ARRAY_REF
1740 using get_ref_base_and_extent.
1741 (equal_mem_array_ref_p): New.
1742 (hashable_expr_equal_p): Add call to previous.
1744 2016-01-18 Alan Lawrence <alan.lawrence@arm.com>
1747 * tree-sra.c (disqualified_constants, constant_decl_p): New.
1748 (sra_initialize): Allocate disqualified_constants.
1749 (sra_deinitialize): Free disqualified_constants.
1750 (disqualify_candidate): Update disqualified_constants when appropriate.
1751 (create_access): Scan for constant-pool entries as we go along.
1752 (scalarizable_type_p): Add check against type_contains_placeholder_p.
1753 (maybe_add_sra_candidate): Allow constant-pool entries.
1754 (load_assign_lhs_subreplacements): Bind debug for constant pool vars.
1755 (initialize_constant_pool_replacements): New.
1756 (sra_modify_assign): Avoid mangling assignments created by previous,
1757 and don't generate writes into constant pool.
1758 (sra_modify_function_body): Call initialize_constant_pool_replacements.
1760 2016-01-18 Ilya Enkovich <enkovich.gnu@gmail.com>
1762 * config/i386/i386.c (scalar_to_vector_candidate_p): Support
1764 (scalar_chain::convert_op): Likewise.
1765 * config/i386/i386.md (*andndi3_doubleword): New.
1767 2016-01-18 Richard Biener <rguenther@suse.de>
1769 PR tree-optimization/69170
1770 * tree-vect-slp.c (vect_build_slp_tree): Verify we are not
1771 building a vector from scalar results of a pattern stmt.
1773 2016-01-18 Jakub Jelinek <jakub@redhat.com>
1775 * haifa-sched.c (autopref_multipass_init): Work around
1776 -Wmaybe-uninitialized warning.
1778 2016-01-18 Thomas Preud'homme <thomas.preudhomme@arm.com>
1780 * config/arm/arm.c (thumb1_reorg): Check that the comparison is
1781 against the constant 0.
1783 2016-01-17 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1785 PR tree-optimization/68799
1786 * gimple-ssa-strength-reduction.c (create_phi_basis): Directly
1787 look up phi candidates in the statement-candidate map.
1788 (phi_add_costs): Likewise.
1789 (record_phi_increments): Likewise.
1790 (phi_incr_cost): Likewise.
1791 (ncd_with_phi): Likewise.
1792 (all_phi_incrs_profitable): Likewise.
1794 2016-01-17 Jakub Jelinek <jakub@redhat.com>
1796 * omp-low.c (mark_loops_in_oacc_kernels_region): Work around
1797 -Wmaybe-uninitialized warning.
1799 2016-01-16 Sandra Loosemore <sandra@codesourcery.com>
1801 * doc/invoke.texi (Invoking GCC): Add new section to menu.
1802 (Option Summary): Update to reflect new section and moved options.
1803 (C++ Dialect Options): Move -fvtable-verify and related options.
1804 (Debugging Options): Move Sanitizer, Pointer Bounds Checker,
1805 and profiling-related options.
1806 (Optimization Options): Move profile generation options and
1807 -fstack-protector and related options.
1808 (Instrumentation Options): New section incorporating moved options.
1809 (Code Generation Options): Move -finstrument-functions and
1810 related options, -fstack-check, -fstack-limit*, and -fbounds-check.
1812 2016-01-16 Tom de Vries <tom@codesourcery.com>
1814 * passes.def: Move pass_expand_omp_ssa out of pass_parallelize_loops.
1816 2016-01-16 Tom de Vries <tom@codesourcery.com>
1818 * omp-low.c (expand_omp_atomic_fetch_op): Release defs of update stmt.
1820 2016-01-16 Richard Sandiford <richard.sandiford@arm.com>
1822 * hash-table.h (hash_table::empty): Turn into an inline wrapper
1823 that checks whether the table is already empty. Rename the
1824 original implementation to...
1825 (hash_table::empty_slot): ...this new private function.
1827 2016-01-15 David Malcolm <dmalcolm@redhat.com>
1830 * diagnostic-show-locus.c (layout::print_source_line): Move x
1831 offset of line until after call to
1832 get_line_width_without_trailing_whitespace.
1834 2016-01-15 Jeff Law <law@redhat.com>
1836 PR tree-optimization/69270
1837 * tree-ssanames.c (ssa_name_has_boolean_range): Moved here from
1838 tree-ssa-dom.c. Improve test for [0..1] ranve from VRP.
1839 * tree-ssa-dom.c (ssa_name_has_boolean_range): Remove.
1840 * tree-ssanames.h (ssa_name_has_boolean_range): Prototype.
1841 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
1842 ssa_name_has_boolean_range and constant_boolean_node.
1844 2016-01-15 Vladimir Makarov <vmakarov@redhat.com>
1846 PR rtl-optimization/69030
1847 * lra-spills.c (remove_pseudos): Check nrefs and make the function
1849 (spill_pseudos): Delete debug insn for dead pseudo.
1850 (lra_spill): Initiate spill_hard_reg and slots memory separately.
1852 2016-01-15 Jiong Wang <jiong.wang@arm.com>
1854 * config/aarch64/aarch64-builtins.c (aarch64_types_unopus_qualifiers):
1856 (TYPES_UNOPUS): Likewise.
1857 * config/aarch64/aarch64-simd-builtins.def (lbtruncuv2sf): Correct
1858 builtin type, from UNOP to UNOPUS.
1859 (lbtruncuv4sf): Likewise.
1860 (lbtruncuv2df): Likewise.
1861 (lrounduv2sf): Likewise.
1862 (lrounduv4sf): Likewise.
1863 (lrounduv2df): Likewise.
1864 (lroundusf): Likewise.
1865 (lroundusf): Likewise.
1866 (lceiluv2sf): Likewise.
1867 (lceiluv4sf): Likewise.
1868 (lceiluv2df): Likewise.
1869 (lceilusf): Likewise.
1870 (lceiludf): Likewise.
1871 (lflooruv2sf): Likewise.
1872 (lflooruv4sf): Likewise.
1873 (lflooruv2df): Likewise.
1874 (lfloorusf): Likewise.
1875 (lfloorudf): Likewise.
1876 (lfrintnuv2sf): Likewise.
1877 (lfrintnuv4sf): Likewise.
1878 (lfrintnuv2df): Likewise.
1879 (lfrintnusf): Likewise.
1880 (lfrintnudf): Likewise.
1881 * config/aarch64/arm_neon.h (vcvt_u32_f32): Remove unncessary type
1883 (vcvtq_u32_f32): Likewise.
1884 (vcvtq_u64_f64): Likewise.
1885 (vcvta_u32_f32): Likewise.
1886 (vcvtaq_u32_f32): Likewise.
1887 (vcvtaq_u64_f64): Likewise.
1888 (vcvtm_u32_f32): Likewise.
1889 (vcvtmq_u32_f32): Likewise.
1890 (vcvtmq_u64_f64): Likewise.
1891 (vcvtn_u32_f32): Likwise.
1892 (vcvtnq_u32_f32): Likewise.
1893 (vcvtnq_u64_f64): Likewise.
1894 (vcvtp_u32_f32): Likewise.
1895 (vcvtpq_u32_f32): Likewise.
1896 (vcvtpq_u64_f64): Likewise.
1897 (vcvtmd_u64_f64): Likewise.
1898 (vcvtms_u32_f32): Likewise.
1899 (vcvtad_u64_f64): Likewise.
1900 (vcvtas_u32_f32): Likewise.
1901 (vcvtnd_u64_f64): Likewise.
1902 (vcvtns_u32_f32): Likewise.
1903 (vcvtpd_u64_f64): Likewise.
1904 (vcvtps_u32_f32): Likewise.
1906 2016-01-15 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1908 * config/aarch64/aarch64.c (aarch64_if_then_else_costs): Handle
1909 CSEL of zero_extended registers.
1911 2016-01-15 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1913 * config/aarch64/aarch64.c (aarch64_rtx_costs, COMPARE case):
1914 Handle COMPARE of ZERO_EXTRACT against zero form of TST-immediate.
1916 2016-01-15 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1918 * config/aarch64/aarch64.c (aarch64_process_one_target_attr): Return
1919 false when argument string is not found in the attributes table
1922 2016-01-15 David Edelsohn <dje.gcc@gmail.com>
1925 * config/rs6000/rs6000.c (rs6000_emit_msub): Delete.
1926 (rs6000_emit_swsqrt): Convert to Goldschmidt's Algorithm
1927 * config/rs6000/rs6000.md (sqrt<mode>2): Limit swsqrt to high
1930 2016-01-15 Richard Biener <rguenther@suse.de>
1932 PR tree-optimization/66856
1933 * tree-vect-loop.c (vect_transform_loop): Free SLP instances here.
1934 * tree-vect-slp.c (vect_free_slp_tree): Decrement stmt reference count.
1935 (vect_create_new_slp_node): Increment stmt reference count.
1936 (vect_get_and_check_slp_defs): Make sure stmts are nor already in
1937 an SLP tree before swapping operands.
1938 (vect_build_slp_tree): Likewise.
1939 (destroy_bb_vec_info): Free stmt info after SLP instances.
1940 * tree-vect-stmts.c (new_stmt_vec_info): Initialize reference count.
1941 * tree-vectorizer.h (struct _stmt_vec_info): Add num_slp_uses field.
1942 (STMT_VINFO_NUM_SLP_USES): New macro.
1944 2016-01-15 Richard Biener <rguenther@suse.de>
1947 * dwarf2out.c (add_linkage_name_raw): New function split out from ...
1948 (add_linkage_name): ... here.
1949 (gen_typedef_die): Use add_linkage_name_raw instead of
1950 add_linkage_attr to delay DECL_ASSEMBLER_NAME computation
1953 2016-01-15 Cesar Philippidis <cesar@codesourcery.com>
1955 * gimplify.c (oacc_default_clause): Decode reference and pointer
1956 types for both kernels and parallel regions.
1958 2016-01-15 Richard Sandiford <richard.sandiford@arm.com>
1961 * calls.c (emit_call_1): Force n_popped to zero for sibcalls.
1963 2016-01-15 Ilya Enkovich <enkovich.gnu@gmail.com>
1965 * config/i386/i386.c (scalar_chain::compute_convert_gain): Fix typo.
1966 (convert_scalars_to_vector): Likewise.
1968 2016-01-15 Jonathan Wakely <jwakely@redhat.com>
1970 * doc/extend.texi (Type Traits): Fix grammar.
1972 2016-01-15 Martin Jambor <mjambor@suse.cz>
1974 * tree-inline.c (remap_decl): Use existing dclarations if
1975 remapping a type and prevent_decl_creation_for_types.
1976 (replace_locals_stmt): Do an initial remapping of non-VLA typed
1977 decls first. Do real remapping with
1978 prevent_decl_creation_for_types set.
1979 * tree-inline.h (copy_body_data): New field
1980 prevent_decl_creation_for_types, moved remap_var_for_cilk to avoid
1983 2016-01-15 Dominik Vogt <vogt@linux.vnet.ibm.com>
1985 * config/s390/s390.opt (mmvcle): More verbose help text.
1987 2016-01-15 Dominik Vogt <vogt@linux.vnet.ibm.com>
1989 * config/s390/s390.opt: Add period to -mzvector option text.
1991 2016-01-15 Richard Biener <rguenther@suse.de>
1993 PR tree-optimization/68961
1994 * tree-vect-slp.c (vect_analyze_slp_cost_1): Consider cost
1995 of invariants in stores again.
1997 2016-01-15 Sebastian Huber <sebastian.huber@embedded-brains.de>
1999 * config/arm/t-rtems: Add cortex-m7/fpv5-d16 multilib.
2001 2016-01-15 Ilya Enkovich <enkovich.gnu@gmail.com>
2003 * config/i386/i386.c (ix86_expand_branch): Don't split
2004 DI mode xor instruction to SI mode.
2006 2016-01-15 Jan Hubicka <hubicka@ucw.cz>
2009 * ipa-icf.c (sem_function::merge): Virtual functions may become
2010 reachable even if they address is not taken and there are no
2013 2016-01-15 Jan Hubicka <hubicka@ucw.cz>
2015 * lto-streamer-out.c (subtract_estimated_size): New function.
2016 (get_symbol_initial_value): Use it.
2018 2016-01-15 Christian Bruel <christian.bruel@st.com>
2021 * config/arm/arm-builtins.c (ARM_BUILTIN_CRYPTO_BASE): New enum tag.
2022 (arm_init_neon_builtins_internal): Rename arm_init_neon_builtins,
2023 (arm_init_crypto_builtins_internal): Rename arm_init_crypto_builtins.
2024 use add_builtin_function_ext_scope instead of add_builtin_function.
2025 (neon_set_p, neon_crypto_set_p): Remove.
2026 (arm_init_builtins): Always call arm_init_neon_builtins and
2027 arm_init_crypto_builtins.
2028 (arm_expand_builtin): Check that builtins are allowed for the arch.
2029 * config/arm/arm-protos.h (arm_init_neon_builtins): Remove prototype.
2030 * config/arm/arm.c (arm_valid_target_attribute_tree): Remove
2031 arm_init_neon_builtins call.
2033 2016-01-15 Richard Biener <rguenther@suse.de>
2035 PR tree-optimization/69117
2036 * tree-ssa-sccvn.h (struct vn_ssa_aux): Add info member.
2037 * tree-ssa-sccvn.c (set_ssa_val_to): Save and adjust SSA name info
2038 of the leader conservatively.
2039 (free_scc_vn): Restore original SSA name infos.
2041 2016-01-14 Jeff Law <law@redhat.com>
2043 PR tree-optimization/69270
2044 * tree-ssa-dom.c (ssa_name_has_boolean_range): If the type has a
2045 single bit of precision, verify it's also unsigned.
2046 (record_edge_info): Use constant_boolean_node rather than fold_convert
2047 to convert boolean_true/boolean_false to the right type.
2049 2016-01-14 Richard Henderson <rth@redhat.com>
2052 * loop-doloop.c (record_reg_sets): New.
2053 (doloop_optimize): Reject the transform if the sequence
2054 clobbers registers live at the end of the loop block.
2055 (doloop_optimize_loops): Enable df_live if needed.
2057 2016-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
2059 * config/rs6000/rs6000-builtin.def: Revert 2016-01-13 change.
2060 * gcc/config/rs6000/rs6000.c: Likewise.
2061 * gcc/config/rs6000/rs6000.h: Likewise.
2062 * gcc/config/rs6000/rs6000.md: Likewise.
2063 * gcc/doc/extend.texi: Likewsie.
2065 2016-01-14 Jeff Law <law@redhat.com>
2067 * tree-ssa-dom.c (ssa_name_has_boolean_range): Fix comment
2070 2016-01-14 Richard Henderson <rth@redhat.com>
2074 * trans-mem.c (tm_log_emit_stmt): Fix unit size to bit size.
2075 * tree.c (build_tm_vector_builtins): Use builtin_decl_explicit_p
2076 instead of builtin_decl_declared_p to test for declaration.
2078 2016-01-14 Nicklas Bo Jensen <nbjensen@gmail.com>
2080 * doc/loop.texi (Loop Analysis and Representation): Document
2081 loop_depth function.
2083 2016-01-14 Tom de Vries <tom@codesourcery.com>
2085 PR tree-optimization/68773
2086 * omp-low.c (expand_omp_target): Don't set force_output.
2087 * varpool.c (varpool_node::get_create): Same.
2088 * lto-cgraph.c (input_offload_tables): Mark entries in offload_vars and
2089 offload_funcs with force_output.
2091 2016-01-14 Jakub Jelinek <jakub@redhat.com>
2094 * lra-eliminations.c (move_plus_up): Don't change anything if either
2095 the outer or inner subreg mode is not MODE_INT.
2096 * dwarf2out.c (mem_loc_descriptor): For SUBREG, if outer mode is
2097 integral <= DWARF2_ADDR_SIZE, convert to untyped afterwards.
2099 2016-01-14 Alan Lawrence <alan.lawrence@arm.com>
2101 * doc/md.texi (reduc_smin_@var{m}, reduc_smax_@var{m},
2102 reduc_umin_@var{m}, reduc_umax_@var{m}, reduc_splus_@var{m},
2103 reduc_uplus_@var{m}): Remove.
2104 * expr.c (expand_expr_real_2): Remove expansion path for
2105 reduc_[us](min|max|plus) optabs.
2106 * optabs-tree.c (scalar_reduc_to_vector): Remove.
2107 * optabs-tree.h (scalar_reduc_to_vector): Remove.
2108 * optabs.def (reduc_smax_optab, reduc_smin_optab, reduc_splus_optab,
2109 reduc_umax_optab, reduc_umin_optab, reduc_uplus_optab): Remove.
2110 * tree-vect-loop.c (vectorizable_reduction): Remove test for
2111 reduc_[us](min|max|plus) optabs.
2113 2016-01-14 Alan Lawrence <alan.lawrence@arm.com>
2115 * config/mips/mips-ps-3d.md (reduc_splus_v2sf): Remove.
2116 (reduc_plus_scal_v2sf): New.
2117 (reduc_smax_v2sf): Rename to...
2118 (reduc_smax_scal_v2sf): ...here, make result SFmode, add vec_extract.
2119 (reduc_smin_v2sf): Rename to...
2120 (reduc_smin_scal_v2sf): ...here, make result SFmode, add vec_extract.
2122 2016-01-14 Jan Hubicka <hubicka@ucw.cz>
2124 * alias.c (compare_base_symbol_refs): New function.
2125 (rtx_equal_for_memref_p, base_alias_check, memrefs_conflict_p): Use
2128 2016-01-14 Jakub Jelinek <jakub@redhat.com>
2131 PR tree-optimization/69155
2132 * tree-complex.c: Include cfganal.h.
2133 (phis_to_revisit): New variable.
2134 (extract_component): Add phiarg_p argument. Assert that returned
2135 SSA_NAME has non-NULL SSA_NAME_DEF_STMT unless phiarg_p is true.
2136 (update_phi_components): Partly rewrite to use loop over real/imag
2137 components instead of code duplication. If extract_component returns
2138 SSA_NAME with NULL SSA_NAME_DEF_STMT, store SSA_NAME_VAR or
2139 create_tmp_reg into the PHI node instead, and mention the phi triplet
2141 (tree_lower_complex): Walk bbs in rpo order. Adjust phis recorded
2142 in phis_to_revisit at the end.
2144 2016-01-14 Richard Biener <rguenther@suse.de>
2146 PR tree-optimization/68060
2147 * tree-vect-loop.c (vect_is_simple_reduction): Check the
2148 outer loop reduction is only used in the inner loop before
2149 detecting a double reduction.
2151 2016-01-14 Jakub Jelinek <jakub@redhat.com>
2154 * combine.c (expand_field_assignment): Punt if compute_mode is
2155 unsupported scalar mode.
2157 2016-01-14 Richard Biener <rguenther@suse.de>
2159 PR tree-optimization/66856
2160 * tree-vect-slp.c (vect_build_slp_tree): Refactor to build
2161 SLP node only if it built successfully.
2162 (vect_analyze_slp_instance): Adjust.
2164 2016-01-14 Jeff Law <law@redhat.com>
2166 PR tree-optimization/69270
2167 * tree-ssa-dom.c (ssa_name_has_boolean_range): New function.
2168 (record_edge_info): Use it. Convert boolean_{true,false}_node
2171 2016-01-13 Jan Hubicka <hubicka@ucw.cz>
2174 * ipa-polymorphic-call.c (inlined_polymorphic_ctor_dtor_block_p):
2175 use block_ultimate_origin
2176 (noncall-stmt_may_be_vtbl_ptr_store): Likewise.
2178 2016-01-13 Sandra Loosemore <sandra@codesourcery.com>
2180 * doc/invoke.texi (Submodel Options): Rename section to
2181 "Machine-Dependent Options" to better reflect its content.
2182 Rewrite introductory text to remove archaic CPU names.
2185 2016-01-13 Sandra Loosemore <sandra@codesourcery.com>
2187 * doc/invoke.texi (Code Gen Options): Move section up in file,
2188 before target-specific options. Update menu and option summary
2189 to reflect the new section ordering.
2191 2016-01-13 Jonathan Wakely <jwakely@redhat.com>
2193 * doc/invoke.texi (C Dialect Options): Adjust -std default for C++.
2194 (C++ Dialect Options): Add cross-reference to -std option.
2195 * doc/standards.texi (C++ Language): Document C++14 support.
2197 2016-01-13 Michael Meissner <meissner@linux.vnet.ibm.com>
2199 * config/rs6000/rs6000-builtin.def (BU_FLOAT128_2): Add support
2200 for pack/unpack functions for __ibm128.
2201 (PACK_IF): Likewise.
2202 (UNPACK_IF): Likewise.
2204 * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Add
2205 support for __ibm128 pack/unpack functions.
2206 (rs6000_invalid_builtin): Likewise.
2207 (rs6000_init_builtins): Likewise.
2208 (rs6000_opt_masks): Likewise.
2210 * config/rs6000/rs6000.h (MASK_FLOAT128): Add short name.
2211 (RS6000_BTM_FLOAT128): Add support for __ibm128 pack/unpack
2213 (RS6000_BTM_COMMON): Likewise.
2215 * config/rs6000/rs6000.md (f128_vsx): New mode attribute.
2216 (unpack<mode>): Use FMOVE128_FPR iterator instead of FMOVE128, to
2217 disallow __builtin_{pack,unpack}_longdouble if long double is IEEE
2218 128-bit floating point. Add support for the double values to be
2219 in Altivec registers for TF/IF packing and unpacking, but restrict
2220 TD packing sub-fields to be FPR registers. Don't allow overlapped
2221 register support for packing. Allow pack inputs to be memory
2222 locations. Don't build generator functions for unpack<mode>_dm
2223 and unpack<mode>_nodm.
2224 (unpack<mode>_dm): Likewise.
2225 (unpack<mode>_nodm): Likewise.
2226 (pack<mode>): Likewise.
2228 * config/rs6000/rs6000-builtin.def (__builtin_pack_ibm128): Add
2229 built-in functions to pack/unpack explicit __ibm128 values.
2230 (__builtin_unpack_ibm128): Likewise.
2232 * doc/extend.texi (PowerPC Built-in Functions): Document
2233 __builtin_pack_ibm128 and __builtin_unpack_ibm128.
2235 2016-01-13 Bernd Schmidt <bschmidt@redhat.com>
2238 * c-common.c (check_function_nonnull): Remove unnecessary declaration.
2239 Add new arg loc and pass it down as context.
2240 (check_nonnull_arg): Don't mark ctx arg as unused. Use it as a pointer
2241 to the location to use for the warning.
2242 (check_function_arguments): New arg loc. All callers changed. Pass
2243 it to check_function_nonnull.
2244 * c-common.h (check_function_arguments): Adjust declaration.
2246 2016-01-13 Jakub Jelinek <jakub@redhat.com>
2248 PR tree-optimization/69156
2249 * gimple.c (validate_type): Removed.
2250 (gimple_builtin_call_types_compatible_p): Use
2251 useless_type_conversion_p instead of validate_type.
2252 * value-prof.c (gimple_stringop_fixed_value): Fold
2253 icall_size to correct type.
2255 2016-01-13 Jonathan Wakely <jwakely@redhat.com>
2257 * doc/extend.texi (__atomic Builtins): Clarify compare_exchange
2260 2016-01-13 Richard Henderson <rth@redhat.com>
2263 * target.def (builtin_tm_load, builtin_tm_store): Remove.
2264 * config/i386/i386.c (ix86_builtin_tm_load): Remove.
2265 (ix86_builtin_tm_store): Remove.
2266 (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
2267 (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
2268 * doc/tm.texi.in (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
2269 (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
2270 * doc/tm.texi: Rebuild.
2272 * gtm-builtins.def (BUILT_IN_TM_MEMCPY_RNWT): New.
2273 (BUILT_IN_TM_MEMCPY_RTWN): New.
2274 * trans-mem.c (tm_log_emit_stmt): Rearrange code for better
2275 fallback from vector to integer helpers.
2276 (build_tm_load): Handle vector types directly, instead of
2278 (build_tm_store): Likewise.
2279 (expand_assign_tm): Prepare for register types not handled by
2280 the above. Copy them to memory and use memcpy.
2281 * tree.c (tm_define_builtin): New.
2282 (find_tm_vector_type): New.
2283 (build_tm_vector_builtins): New.
2284 (build_common_builtin_nodes): Call it.
2286 2016-01-13 Uros Bizjak <ubizjak@gmail.com>
2288 * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Return -1 for
2289 TARGET_SSE_MATH without TARGET_SSE2. Rewrite.
2291 2016-01-13 Tom de Vries <tom@codesourcery.com>
2293 PR tree-optimization/69169
2294 * tree-ssa-structalias.c (create_variable_info_for_1): Add and handle
2295 handled_struct_type param.
2296 (create_variable_info_for, intra_create_variable_infos): Call
2297 create_variable_info_for_1 with extra arg.
2299 2016-01-13 Yvan Roux <yvan.roux@linaro.org>
2301 * config/arm/arm-arches.def: Remove spurious whitespace in "armv8.1-a"
2302 and "armv8.1-a+crc" entries.
2304 2016-01-13 Alexander Fomin <alexander.fomin@intel.com>
2307 * config/i386/sse.md (define_expand "avx512pf_gatherpf<mode>sf"):
2308 Change first operand predicate from register_or_constm1_operand
2309 to register_operand.
2310 (define_expand "avx512pf_gatherpf<mode>df"): Likewise.
2311 (define_expand "avx512pf_scatterpf<mode>sf"): Likewise.
2312 (define_expand "avx512pf_scatterpf<mode>df"): Likewise.
2313 (define_insn "*avx512pf_gatherpf<mode>sf"): Remove.
2314 (define_insn "*avx512pf_gatherpf<mode>df"): Likewise.
2315 (define_insn "*avx512pf_scatterpf<mode>sf"): Likewise.
2316 (define_insn "*avx512pf_scatterpf<mode>df"): Likewise.
2317 * config/i386/i386.c (ix86_expand_builtin): Remove first operand
2318 comparison with constm1_rtx from vec_prefetch_gen part.
2320 2016-01-13 Richard Biener <rguenther@suse.de>
2322 PR tree-optimization/69013
2323 * tree-ssa-uninit.c (prune_uninit_phi_opnds_in_unrealizable_paths):
2324 Exchange assert for a test.
2326 2016-01-13 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
2329 * config/s390/s390.md (bswaphi splitter): Use simplify_gen_subreg.
2331 2016-01-13 Richard Biener <rguenther@suse.de>
2333 PR tree-optimization/69242
2334 * tree-ssa-sccvn.c (visit_reference_op_load): Replace bogus
2335 assert with a check.
2337 2016-01-13 Richard Biener <rguenther@suse.de>
2339 PR tree-optimization/69186
2340 * tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
2341 Properly guard vect_update_misalignment_for_peel call.
2343 2016-01-12 Jeff Law <law@redhat.com>
2345 PR tree-optimization/pr67755
2346 * tree-ssa-threadupdate.c (struct ssa_local_info_t): Add new field
2347 "need_profile_correction".
2348 (thread_block_1): Initialize new field to false by default. If we
2349 have multiple thread paths through a common joiner to different
2350 final targets, then set new field to true.
2351 (compute_path_counts): Only do count adjustment when it's really
2354 2016-01-12 Sandra Loosemore <sandra@codesourcery.com>
2356 * doc/invoke.texi (Spec Files): Move section down in file, past
2357 all command-line option descriptions.
2359 2016-01-12 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
2362 * doc/gty.texi: Remove documentation of mark_hook.
2363 * gengtype.c (struct write_types_data): Remove code to support
2364 mark_hook attribute.
2365 (walk_type): Likewise.
2366 (write_func_for_structure): Likewise.
2368 2016-01-12 Sandra Loosemore <sandra@codesourcery.com>
2370 * doc/invoke.texi (Option Summary) Move -no-canonical-prefixes to
2371 Directory Options, and -specs= to Overall Options.
2372 (Overall Options): Adjust similarly. Reorder to group related
2373 options together. Make -specs= cross-reference the spec file details.
2374 (Directory Options): Adjust similarly.
2376 2016-01-12 Jeff Law <law@redhat.com>
2378 * tree-ssa-threadupdate.c: Various whitespace and typo fixes.
2380 2016-01-12 Olivier Hainque <hainque@adacore.com>
2382 * gcc.c (spec_undefvar_allowed): New global.
2383 (process_command): Set to true when running for --version or --help,
2385 (getenv_spec_function): When the variable is not defined, use the
2386 variable name as the variable value if we're allowed not to issue
2389 2016-01-12 Bin Cheng <bin.cheng@arm.com>
2391 PR tree-optimization/68911
2392 * tree-vrp.c (adjust_range_with_scev): Check overflow in range
2393 information computed for expression "init + nit * step".
2395 2016-01-12 Sandra Loosemore <sandra@codesourcery.com>
2397 * doc/invoke.texi (Invoking GCC): Copy-edit. Incorporate information
2398 about name of GCC executable. Remove deleted node from menu.
2399 (Directory Options) <-B>: Remove cross-reference to deleted node.
2400 (Target Options): Delete section.
2402 2016-01-12 Christian Bruel <christian.bruel@st.com>
2405 * config/arm/arm-c.c (arm_pragma_target_parse): Set NODE_CONDITIONAL
2406 for __ARM_NEON_FP, __ARM_FP, _ARM_FEATURE_LDREX.
2408 2016-01-12 Jakub Jelinek <jakub@redhat.com>
2411 * config/i386/i386.c (ix86_expand_special_args_builtin): Ensure
2412 aligned_mem is properly set for AVX512-VL floating point masked
2416 * ifcvt.c (cond_exec_process_if_block): When removing the last
2417 insn from then_bb, remove also any possible barriers that follow it.
2419 2016-01-12 H.J. Lu <hongjiu.lu@intel.com>
2423 * config/i386/iamcu.h (SIZE_TYPE): New macro.
2424 (PTRDIFF_TYPE): Likewise.
2425 (WCHAR_TYPE): Likewise.
2426 (WCHAR_TYPE_SIZE): Likewise.
2427 (STDINT_LONG32): Likewise.
2429 2016-01-12 Richard Biener <rguenther@suse.de>
2431 PR tree-optimization/69053
2432 * tree-vect-loop.c (get_initial_def_for_reduction): Properly
2433 convert initial value for cond reductions.
2435 2016-01-12 Richard Biener <rguenther@suse.de>
2437 PR tree-optimization/69007
2438 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Move
2439 widen_sum after dot_prod and sad.
2441 2016-01-12 Richard Biener <rguenther@suse.de>
2443 PR tree-optimization/69168
2444 * tree-vect-loop.c (vect_analyze_loop_2): Reset both main and
2445 pattern stmt SLP type.
2446 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Patterns may
2447 end up unused so cope with that case.
2449 2016-01-12 Richard Biener <rguenther@suse.de>
2451 PR tree-optimization/69157
2452 * tree-vect-stmts.c (vectorizable_mask_load_store): Check
2453 stmts def type only during analyze phase.
2454 (vectorizable_call): Likewise.
2455 (vectorizable_simd_clone_call): Likewise.
2456 (vectorizable_conversion): Likewise.
2457 (vectorizable_assignment): Likewise.
2458 (vectorizable_shift): Likewise.
2459 (vectorizable_operation): Likewise.
2460 (vectorizable_store): Likewise.
2461 (vectorizable_load): Likewise.
2463 2016-01-12 Richard Biener <rguenther@suse.de>
2465 PR tree-optimization/69174
2466 * tree-vect-stmts.c (vect_mark_relevant): Remove excessive vertical
2468 (vectorizable_load): Properly compute the number of loads needed
2469 for permuted strided SLP loads and do not spuriously assign
2470 to SLP_TREE_VEC_STMTS.
2472 2016-01-12 Andris Pavenis <andris.pavenis@iki.fi>
2474 * config/i386/djgpp.h (PREFERRED_DEBUGGING_TYPE): Define to DWARF2
2475 (TARGET_ASM_OUTPUT_IDENT): Define to default_asm_output_ident_directive
2476 (MD_EXEC_PREFIX): Remove.
2477 (MD_STARTFILE_PREFIX) Removee.
2478 (FILE_NAME_ABSOLUTE_P): Remove.
2479 (CPP_SPEC): Do not read macros from sys/version.h.
2480 (LINK_COMMAND_SPEC): Remove.
2481 (LOCAL_INCLUDE_DIR): Remove.
2482 (TARGET_ASM_NAMED_SECTION): Define to i386_djgpp_asm_named_section
2483 (TARGET_OS_CPP_BUILTINS): Add DJGPP (non ISO only), __DJGPP, __DJGPP__, unix.
2484 (POST_LINK_SPEC): Define to invoke stubify after linker
2485 (LIBSTDCXX): Remove define
2486 (DBX_REGISTER_NUMBER): Define to svr4_dbx_register_map.
2487 (DEFAULT_PCC_STRUCT_RETURN): Define to 1.
2488 (SUBTARGET_OVERRIDE_OPTIONS): Remove warning about -mbnu2210.
2489 (SUBTARGET_OVERRIDE_OPTIONS): Ignore -fPIC and generate message.
2490 (SUBTARGET_OVERRIDE_OPTIONS): Default to DWARF2 debugging info.
2491 (IX86_MAYBE_NO_LIBGCC_TFMODE): Remove.
2492 (i386_djgpp_asm_named_section): Add propotype of new procedure
2494 * config/i386/xm-djgpp.h (NATIVE_SYSTEM_HEADER_DIR): Define.
2495 (MD_EXEC_PREFIX): Define (moved from config/i386/djgpp.h).
2496 (STANDARD_STARTFILE_PREFIX_1): Define (moved from MD_STARTFILE_PREFIX
2497 in config/i386/djgpp.h).
2498 (STANDARD_STARTFILE_PREFIX_2): Define identical to
2499 STANDARD_STARTFILE_PREFIX_1.
2500 (LOCAL_INCLUDE_DIR): Define (moved from config/i386/djgpp.h).
2501 (GCC_DRIVER_HOST_INITIALIZATION): Fix reporting fatal
2502 installation errors.
2503 (MAX_OFILE_ALIGNMENT): Define to 128.
2504 (HAVE_FTW_H): Undefine as DJGPP do not have nftw, but have ftw.h.
2506 * config/i386/djgpp.c: New file. Add implementation of
2507 i386_djgpp_asm_named_section.
2509 * config/i386/djgpp.opt: Remove obsolete option -mbnu210.
2511 * config/i386/t-djgpp: New file. Add djgpp.o to EXTRA_OBJS.
2512 Add rule for building djgpp.o.
2514 2016-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2516 * config/rs6000/rs6000.c (v2df_reduction_p): New function.
2517 (rtx_is_swappable_p): Reductions are swappable.
2518 (insn_is_swappable_p): V2DF reductions are swappable.
2520 2016-01-11 John David Anglin <danglin@gcc.gnu.org>
2522 * config/pa/pa.c (pa_emit_move_sequence): Handle floating point
2523 reloads for other unsupported memory operands.
2525 2016-01-12 Kugan Vivekanandarajah <kuganv@linaro.org>
2526 Jim Wilson <jim.wilson@linaro.org>
2529 * config/arm/arm-builtins.c (arm_expand_neon_args): Call
2530 copy_to_mode_reg instead of force_reg.
2532 2016-01-11 H.J. Lu <hongjiu.lu@intel.com>
2535 * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Set to 2 only if
2536 TARGET_80387 is true.
2538 2016-01-11 Jakub Jelinek <jakub@redhat.com>
2541 * lra-eliminations.c (move_plus_up): Only move plus up
2542 if subreg of the constant can be simplified into constant
2543 and use the simplified subreg of the constant instead of
2544 the original constant.
2546 * fold-const.c (fold_convertible_p): Don't return true
2547 for conversion of VECTOR_TYPE to same sized integral type.
2548 (fold_convert_loc): Fix up formatting. Fold conversion of
2549 VECTOR_TYPE to same sized integral type using VIEW_CONVERT_EXPR
2550 instead of NOP_EXPR.
2552 PR tree-optimization/69214
2553 * tree-vrp.c (simplify_cond_using_ranges): Don't propagate
2554 innerop into a comparison if SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
2557 PR tree-optimization/69207
2558 * tree-vect-slp.c (vect_get_constant_vectors): For
2559 VECTOR_BOOLEAN_TYPE_P, assert op has integral type instead of
2560 fold_convertible_p to vector_type's element type, and always
2561 use VCE for non-VECTOR_BOOLEAN_TYPE_P.
2563 2016-01-11 Richard Biener <rguenther@suse.de>
2565 PR tree-optimization/69173
2566 * tree-vect-loop.c (vect_fixup_scalar_cycles_with_patterns): Only
2567 fixup the cycle if all stmts are in a pattern.
2569 2016-01-11 Uros Bizjak <ubizjak@gmail.com>
2572 * alias.c (base_alias_check): Move check for addresses with
2573 alignment ANDs before the call for compare_base_decls.
2574 (memrefs_conflict_p): Return -1 for different decls
2575 that went through alignment adjustments.
2577 2016-01-11 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
2579 PR rtl-optimization/68796
2580 * config/aarch64/aarch64.md (*and<mode>_compare0): New pattern.
2581 * config/aarch64/aarch64.c (aarch64_select_cc_mode): Handle HImode
2582 and QImode comparisons against zero with CC_NZmode.
2583 * config/aarch64/iterators.md (short_mask): New mode_attr.
2585 2016-01-11 H.J. Lu <hongjiu.lu@intel.com>
2587 * config/i386/sse.md (<avx512>_load<mode>_mask): Remove snprintf.
2588 (<avx512>_store<mode>_mask): Likewise.
2590 2016-01-11 Bernd Schmidt <bschmidt@redhat.com>
2591 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
2593 PR rtl-optimization/68841
2594 * ifcvt.c (struct noce_if_info): Add orig_x field.
2595 (bbs_ok_for_cmove_arith): Add to_rename parameter.
2596 Don't record conflicts on to_rename if it's present.
2597 Allow memory destinations in sets.
2598 (noce_try_cmove_arith): Call bbs_ok_for_cmove_arith even on simple
2599 blocks, passing orig_x to the checks.
2600 (noce_process_if_block): Set if_info->orig_x appropriately.
2602 2016-01-11 Tom de Vries <tom@codesourcery.com>
2604 PR tree-optimization/69069
2605 * tree-parloops.c (create_parallel_loop): Add missing phi args.
2607 2016-01-11 Yuri Rumyantsev <ysrumyan@gmail.com>
2609 PR rtl-optimization/68920
2610 * config/i386/i386.c (ix86_option_override_internal): Restrict number
2611 of conditional moves for RTL if-conversion to 1 for
2612 TARGET_ONE_IF_CONV_INSN.
2613 * config/i386/i386.h (TARGET_ONE_IF_CONV_INSN): New macros.
2614 * config/i386/x86-tune.def (X86_TUNE_ONE_IF_CONV_INSN): New macros.
2615 * params.def (PARAM_MAX_RTL_IF_CONVERSION_INSNS) : Introduce new
2616 parameter to restirct number of conditional moves for
2618 * doc/invoke.texi (max-rtl-if-conversion-insns): Document it.
2619 * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Limit number of
2622 2016-01-11 Alexandre Oliva <aoliva@redhat.com>
2625 * var-tracking.c (drop_overlapping_mem_locs): Operate on all
2626 onepart vars. Fix typo in comment. Fix reversed condition in
2628 (dataflow_set_remove_mem_locs): Operate on all onepart vars.
2631 * var-tracking.c (dump_onepart_variable_differences): New.
2632 (dataflow_set_different): If a detailed dump is requested,
2633 delay early returns and dump differences between onepart
2634 variables present before and after, and added variables.
2636 2016-01-11 Ilya Enkovich <enkovich.gnu@gmail.com>
2639 * expr.c (expand_expr_real_1): For boolean vector constants
2640 with a scalar mode use const_scalar_mask_from_tree.
2641 (const_scalar_mask_from_tree): New.
2642 * optabs.c (expand_vec_cond_mask_expr): Use mask mode
2643 assigned to a mask type to handle constants.
2645 2016-01-11 Martin Jambor <mjambor@suse.cz>
2648 * ipa-cp.c (estimate_local_effects): Do not clone for removal of
2649 useless parameters if we cannot change function signature.
2651 2016-01-11 Martin Jambor <mjambor@suse.cz>
2654 * cgraphclones.c (duplicate_thunk_for_node): Copy can_change_signature
2657 2016-01-11 Tom de Vries <tom@codesourcery.com>
2659 PR tree-optimization/69109
2660 * tree-parloops.c (try_transform_to_exit_first_loop_alt): Don't allow
2663 2016-01-11 Tom de Vries <tom@codesourcery.com>
2665 PR tree-optimization/69108
2666 * tree-parloops.c (gather_scalar_reductions): Handle case that outer phi
2667 res is not used in a phi.
2669 2016-01-11 Yury Gribov <y.gribov@samsung.com>
2672 * common.opt (frandom-seed): Fix parameter name.
2673 * doc/invoke.texi (frandom-seed): Ditto and describe parameter.
2675 2016-01-11 Tom de Vries <tom@codesourcery.com>
2677 PR tree-optimization/69058
2678 * tree-parloops.c (pass_parallelize_loops::execute): Return 0 if libgomp
2681 2016-01-11 Andrew Burgess <andrew.burgess@embecosm.com>
2683 * config/arc/arc.opt (mdiv-rem): Add period to the end.
2684 (mcode-density): Likewise.
2686 2016-01-10 Tom de Vries <tom@codesourcery.com>
2688 PR tree-optimization/69062
2689 * tree-parloops.c (loop_has_phi_with_address_arg): New function.
2690 (parallelize_loops): Don't paralelize loop that has phi with address
2693 2016-01-10 Tom de Vries <tom@codesourcery.com>
2695 PR tree-optimization/69039
2696 * tree-parloops.c (try_create_reduction_list): Only allow single exit
2699 2016-01-09 John David Anglin <danglin@gcc.gnu.org>
2702 * match.pd: Require target has function_c99_misc before doing
2703 truncl(extend(x)) and trunc(extend(x)) -> extend(truncf(x)), etc.
2705 2016-01-09 Gerald Pfeifer <gerald@pfeifer.com>
2707 * configure.ac (isl_options_set_schedule_serialize_sccs): Also
2709 * configure: Regenerate.
2711 2016-01-09 Jakub Jelinek <jakub@redhat.com>
2714 PR tree-optimization/69097
2715 * fold-const.h (expr_not_equal_to): New prototype.
2716 * fold-const.c: Include stringpool.h and tree-ssanames.h.
2717 (expr_not_equal_to): New function.
2718 * match.pd (X % -Y is the same as X % Y): Don't optimize
2719 unless X is known not to be equal to minimum or Y is known
2720 not to be equal to -1.
2721 * tree-vrp.c (simplify_div_or_mod_using_ranges): Add GSI argument.
2722 fold TRUNC_MOD_EXPR if the second argument is not a power of two.
2723 (simplify_stmt_using_ranges): Adjust caller.
2724 (vrp_finalize): Call set_value_range on SSA_NAMEs before calling
2725 substitute_and_fold.
2727 2016-01-09 Jan Hubicka <hubicka@ucw.cz>
2729 * ipa-icf.c (sem_item_optimizer::merge_classes): Do not ICE on VAR_DECL
2732 2016-01-08 Jakub Jelinek <jakub@redhat.com>
2734 PR tree-optimization/69167
2735 * gimple-fold.c (replace_stmt_with_simplification): Also punt if
2736 new SSA_NAME_OCCURS_IN_ABNORMAL_PHI SSA_NAMEs appear in operands of
2738 * gimple-match-head.c (maybe_push_res_to_seq): Likewise.
2740 2016-01-08 Alan Lawrence <alan.lawrence@arm.com>
2741 Richard Biener <rguenther@suse.de>
2743 PR tree-optimization/68707
2744 * tree-vect-slp.c (vect_analyze_slp_instance): Cancel permuted SLP
2745 instances that can be handled via vect_load_lanes.
2747 2016-01-08 Uros Bizjak <ubizjak@gmail.com>
2749 * symtab.c (symtab_node::equal_address_to): Return -1 instead of 2
2750 if we can't determine address equivalence.
2751 * alias.c (compare_base_decl): Update for changed return value of
2752 symtab_node::equal_address_to.
2754 2016-01-08 Jason Merrill <jason@redhat.com>
2758 * function.c (assign_temp): Guard against TREE_ADDRESSABLE types here.
2759 * expr.c (store_field): Not here.
2760 * tree-cfgcleanup.c (fixup_noreturn_call): Don't clear LHS of a
2761 call with TREE_ADDRESSABLE type.
2762 * tree-cfg.c (verify_gimple_call): Adjust.
2764 2016-01-08 Olivier Hainque <hainque@adacore.com>
2766 * config/vxworks.h (VXWORKS_LIBGCC_SPEC): Don't link shared RTPs with
2769 2016-01-08 Alan Lawrence <alan.lawrence@arm.com>
2771 * gcc.target/rs6000/paired.md (reduc_smax_v2sf): Rename to...
2772 (reduc_smax_scal_v2sf): ...here, make result SFmode, extract element.
2773 (reduc_smin_v2sf): Rename to...
2774 (reduc_smin_scal_v2sf): ...here, make result SFmode, extract element.
2775 (reduc_splus_v2sf): Rename to...
2776 (reduc_plus_scal_v2sf): ...here, make result SFmode, extract element.
2778 2016-01-08 Jakub Jelinek <jakub@redhat.com>
2780 PR tree-optimization/69162
2781 * gimplify.c (gimplify_va_arg_expr): Encode original type of
2782 valist argument in another argument.
2783 (gimplify_modify_expr): Adjust for the above change. Cleanup.
2784 * tree-stdarg.c (expand_ifn_va_arg_1): Use new 3rd argument
2785 to determine the va_list type, build a MEM_REF instead of
2786 build_fold_indirect_ref.
2788 PR tree-optimization/69172
2789 * gimple-fold.c (gimple_fold_builtin_memory_chk): Pass type to
2792 2016-01-08 Thomas Preud'homme <thomas.preudhomme@arm.com>
2794 PR tree-optimization/67781
2795 * tree-ssa-math-opts.c (find_bswap_or_nop): Zero out bytes in cmpxchg
2796 and cmpnop in two steps: first the ones not accessed in original
2797 gimple expression in a endian independent way and then the ones not
2798 accessed in the final result in an endian-specific way.
2800 2016-01-08 Jakub Jelinek <jakub@redhat.com>
2802 PR tree-optimization/69083
2803 * tree-vect-slp.c (vect_get_constant_vectors): For
2804 VECTOR_BOOLEAN_TYPE_P assert op is fold_convertible_p to vector_type's
2805 element type. If op is fold_convertible_p to vector_type's element
2806 type, use NOP_EXPR instead of VCE.
2808 2016-01-08 Segher Boessenkool <segher@kernel.crashing.org>
2810 PR rtl-optimization/67778
2811 PR rtl-optimization/68634
2812 PR rtl-optimization/68909
2813 * shrink-wrap.c (try_shrink_wrapping): Add comment. Don't pop
2814 block from the stack until done with it. Remove a superfluous
2815 bitmap set. Remove a superfluous bitmap test.
2817 2016-01-07 Martin Sebor <msebor@redhat.com>
2820 * doc/extend.texi (__atomic Builtins, __sync Builtins): Document
2821 constraint on the type of arguments.
2823 2016-01-07 Andreas Tobler <andreast@gcc.gnu.org>
2825 * config/arm/freebsd.h: Rename SUBTARGET_OVERRIDE_OPTIONS to
2826 SUBTARGET_OVERRIDE_INTERNAL_OPTIONS. Adjust to check
2827 unaligned_access on the gcc_options set.
2828 * config/arm/arm.c (arm_option_override_internal): Use
2829 SUBTARGET_OVERRIDE_INTERNAL_OPTIONS.
2831 2016-01-07 Uros Bizjak <ubizjak@gmail.com>
2834 * config/i386/i386.c (ix86_frame_pointer_required): Enable
2835 frame pointer for TARGET_64BIT_MS_ABI when stack is misaligned.
2837 2016-01-07 Uros Bizjak <ubizjak@gmail.com>
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 2016-01-07 Sandra Loosemore <sandra@codesourcery.com>
2850 * doc/extend.texi (Nvidia PDX Function Attributes): New section.
2852 2016-01-07 H.J. Lu <hongjiu.lu@intel.com>
2855 * config/i386/sse.md (<sse>_sqrt<mode>2<mask_name><round_name>):
2856 Use the "xBm" constraint.
2857 (float<sseintvecmodelower><mode>2<mask_name><round_name):
2859 (sse_cvtsi2ss<round_name>): Use round_nimm_scalar_predicate.
2860 (sse_cvtsi2ssq<round_name>): Likewise.
2861 (sse_cvtss2si<round_name>): Likewise.
2862 (sse_cvtss2siq<round_name>): Likewise.
2863 (sse2_cvtsi2sdq<round_name>): Likewise.
2864 (sse2_cvtsd2si<round_name>): Likewise.
2865 (sse2_cvtsd2siq<round_name>): Likewise.
2866 * config/i386/subst.md (round_nimm_scalar_predicate): New
2869 2015-12-15 Bernd Schmidt <bschmidt@redhat.com>
2872 * varasm.c (make_decl_rtl): Mark invalid register vars as
2875 PR rtl-optimization/66206
2876 * bt-load.c (find_btr_use): Change first arg to be a pointer to an rtx.
2877 All callers changed.
2879 2016-01-07 Jakub Jelinek <jakub@redhat.com>
2881 PR tree-optimization/69141
2882 * tree-ssa-pre.c: Include langhooks.h.
2883 (eliminate_dom_walker::before_dom_children): Use
2884 lang_hooks.decl_printable_name instead of
2885 cgraph_node::get ()->name ().
2888 * gimple-expr.c (copy_var_decl): If var has DECL_USER_ALIGN set, copy
2889 it and DECL_ALIGN too.
2891 2016-01-06 Robert Suchanek <robert.suchanek@imgtec.com>
2893 * config/mips/mips-ftypes.def: Sort to lexicographical order.
2895 2016-01-06 Uros Bizjak <ubizjak@gmail.com>
2898 * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
2899 depending on frame_pointer_needed before remaining integer and SSE
2900 registers are saved.
2902 2015-01-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2904 * config/rs6000/vsx.md (*p9_vecload_<mode>): Replace VSX_M
2905 mode iterator with VSX_M2.
2906 (*p9_vecstore_<mode>): Likewise.
2907 (*vsx_le_permute_<mode>): Restrict to !TARGET_P9_VECTOR.
2908 (*vsx_le_perm_load_<mode> for VSX_LE_128): Likewise.
2909 (*vsx_le_perm_store_<mode> for VSX_LE_128): Likewise.
2910 (define_split for VSX_LE128 stores): Likewise.
2911 (define_peephole2 for TImode LE swaps): Likewise.
2912 (define_split for VSX_LE128 post-reload stores): Likewise.
2914 2016-01-06 Marek Polacek <polacek@redhat.com>
2917 * convert.c (convert_to_integer_1): Adjust call to
2918 ubsan_instrument_float_cast. Use NULL_TREE instead of NULL.
2919 * ubsan.c (ubsan_instrument_float_cast): Drop the ARG parameter. Use
2920 EXPR instead of ARG.
2921 * ubsan.h (ubsan_instrument_float_cast): Adjust declaration.
2923 2016-01-05 Sandra Loosemore <sandra@codesourcery.com>
2926 * doc/extend.texi (RL78 Variable Attributes): New section.
2928 2016-01-05 Marek Polacek <polacek@redhat.com>
2931 * builtins.c (get_memmodel): Use expansion point location rather than
2932 the input location. Call warning_at rather than warning.
2933 (expand_builtin_atomic_compare_exchange): Likewise.
2934 (expand_builtin_atomic_load): Likewise.
2935 (expand_builtin_atomic_store): Likewise.
2936 (expand_builtin_atomic_clear): Likewise.
2938 2016-01-05 H.J. Lu <hongjiu.lu@intel.com>
2941 * config/i386/i386.c (ix86_expand_vector_logical_operator):
2942 Replace nonimmediate_operand with vector_operand.
2943 * config/i386/predicates.md (vector_operand): New predicate.
2944 (general_vector_operand): Replace nonimmediate_operand with
2946 * config/i386/sse.md: Replace nonimmediate_operand with
2947 vector_operand and m constraint with Bm constraint on SSE
2948 patterns with 16-byte memory operand.
2949 * config/i386/subst.md (round_nimm_predicate): Replace
2950 nonimmediate_operand with vector_operand.
2951 (round_saeonly_nimm_predicate): Likewise.
2952 (round_saeonly_nimm_scalar_predicate): New.
2954 2016-01-05 H.J. Lu <hongjiu.lu@intel.com>
2957 * config/i386/constraints.md (Bm): New constraint.
2958 * config/i386/predicates.md (vector_memory_operand): New
2960 * config/i386/sse.md: Replace xm with xBm in plusminus and
2963 2016-01-05 Sandra Loosemore <sandra@codesourcery.com>
2966 * doc/extend.texi (V850 Function Attributes): New section.
2967 (V850 Variable Attributes): New section.
2969 2016-01-05 Sandra Loosemore <sandra@codesourcery.com>
2972 * doc/extend.texi (MicroBlaze Function Attributes): Document
2973 interrupt_handler and fast_interrupt attributes.
2975 2016-01-05 Sergei Trofimovich <siarheit@google.com>
2978 * config/ia64/ia64.c (ia64_expand_load_address): Use gprel64
2979 for local symbolic operands.
2980 * config/ia64/predicates.md (local_symbolic_operand64): New
2983 2016-01-05 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
2985 PR rtl-optimization/68651
2986 * combine.c (combine_simplify_rtx): Canonicalize x + x into
2989 2016-01-05 Nathan Sidwell <nathan@acm.org>
2991 * alias.c (compare_base_decls): Use symtab_node::get.
2993 2016-01-05 Nick Clifton <nickc@redhat.com>
2996 * ira-costs.c (copy_cost): Initialise the t_icode field of the
2997 secondary_reload_info structure.
3000 * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Define to use weak
3001 decls if weak support is available.
3003 2016-01-04 Martin Sebor <msebor@redhat.com>
3005 * doc/invoke.texi (Warning Options): Document -Winvalid-memory-model.
3007 2016-01-04 Michael Meissner <meissner@linux.vnet.ibm.com>
3009 * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Add
3010 OPTION_MASK_P9_DFORM.
3012 * config/rs6000/constraints.md (wo constraint): New constraint for
3015 * config/rs6000/rs6000.c (rs6000_debug_reg_global): Add support
3017 (rs6000_init_hard_regno_mode_ok): Likewise.
3019 * config/rs6000/rs6000.h (r6000_reg_class_enum): Add support for
3022 * config/rs6000/altivec.md (altivec_vperm_<mode>): Clean up vperm
3023 expanders not to have constraints. Add support for ISA 3.0 xxperm
3024 instruction. Add support for fusing xxlor with xxperm.
3025 (altivec_vperm_<mode>_internal): Likewise.
3026 (altivec_vperm_v8hiv16qi): Likewise.
3027 (altivec_vperm_<mode>v16q): Likewise.
3028 (altivec_vperm_<mode>_uns): Likewise.
3029 (vperm_v8hiv4si): Likewise.
3030 (vperm_v16qiv8hi): Likewise.
3032 * doc/md.texi (RS/6000 constraints): Document wo constraint.
3034 2016-01-04 Jakub Jelinek <jakub@redhat.com>
3036 Update copyright years.
3038 * gcc.c (process_command): Update copyright notice dates.
3039 * gcov-dump.c (print_version): Ditto.
3040 * gcov.c (print_version): Ditto.
3041 * gcov-tool.c (print_version): Ditto.
3042 * gengtype.c (create_file): Ditto.
3043 * doc/cpp.texi: Bump @copying's copyright year.
3044 * doc/cppinternals.texi: Ditto.
3045 * doc/gcc.texi: Ditto.
3046 * doc/gccint.texi: Ditto.
3047 * doc/gcov.texi: Ditto.
3048 * doc/install.texi: Ditto.
3049 * doc/invoke.texi: Ditto.
3051 2016-01-04 Eric Botcazou <ebotcazou@adacore.com>
3053 * config/arm/arm.c (aapcs_vfp_allocate_return_reg): Treat all integer
3054 modes larger than TImode as TImode if NEON is not enabled.
3056 2016-01-04 Eric Botcazou <ebotcazou@adacore.com>
3059 * config/sparc/sparc.h (FUNCTION_ARG_REGNO_P): Return true in 64-bit
3060 mode for %f0-%f31 only if TARGET_FPU.
3062 2016-01-04 Eric Botcazou <ebotcazou@adacore.com>
3065 * config/sparc/sparc.c (scan_record_type): Take into account subfields
3066 to compute the PACKED_P predicate.
3067 (function_arg_record_value): Minor tweaks.
3069 2016-01-04 Thomas Preud'homme <thomas.preudhomme@arm.com>
3071 * doc/install.texi (--with-multilib-list): Describe the meaning of the
3072 option for arm*-*-* targets.
3074 2016-01-03 Sandra Loosemore <sandra@codesourcery.com>
3076 * doc/extend.texi (Common Function Attributes): Move docs for
3077 MSP430-specific attributes to....
3078 (MSP430 Function Attributes): ...here. Delete the redundant
3079 entries and copy-edit the remaining text.
3080 (MSP430 Variable Attributes): Use uniform format for index
3081 entries and add a cross-reference to the corresponding function
3084 2016-01-03 Vladimír Čunát <vcunat@gmail.com>
3086 * doc/invoke.texi (RS/6000 and PowerPC Options): Fix
3088 (x86 Options): Likewise.
3090 2016-01-01 Sandra Loosemore <sandra@codesourcery.com>
3094 * extend.texi (Common Function Attributes) <no_stack_limit>: New.
3095 * invoke.texi (Code Gen Options) <-fno-stack-limit>: Add pointer
3096 to corresponding attribute.
3098 2016-01-01 Sandra Loosemore <sandra@codesourcery.com>
3100 * doc/extend.texi (Common Function Attributes) <noplt>: Move
3101 to correct alphabetization of table. Copy-edit and correct
3103 <stack_protect>: Likewise.
3104 <target_clones>: Likewise.
3106 * doc/invoke.texi (Optimize Options) <-fstack-protector-explicit>:
3107 Correct punctuation.
3108 (Code Gen Options) <-fno-plt>: Copy-edit.
3110 2016-01-01 Bernd Edlinger <bernd.edlinger@hotmail.de>
3113 * config/tilegx/tilegx.md (clzsi2): Don't create DI subregs of
3114 SI values. Explicitly convert SI to DI and vice-versa.
3116 2016-01-01 Jakub Jelinek <jakub@redhat.com>
3118 PR tree-optimization/69070
3119 * tree-ssa-math-opts.c (gimple_expand_builtin_pow): Only test
3120 REAL_VALUE_ISSIGNALING_NAN on arg0 if arg0 is a REAL_CST.
3123 * ubsan.c (ubsan_instrument_float_cast): Call
3124 initialize_sanitizer_builtins.
3127 * ifcvt.c (find_cond_trap): Give up if returnjump_p (jump).
3129 Copyright (C) 2016 Free Software Foundation, Inc.
3131 Copying and distribution of this file, with or without modification,
3132 are permitted in any medium without royalty provided the copyright
3133 notice and this notice are preserved.