1 2016-03-10 Richard Biener <rguenther@suse.de>
3 PR tree-optimization/70128
4 * tree-ssa-structalias.c (set_uids_in_ptset): Set
5 vars_contains_nonlocal for any FUNCTION_DECL or LABEL_DECL.
7 2016-03-09 Jakub Jelinek <jakub@redhat.com>
9 PR tree-optimization/70152
10 * tree-sra.c (replace_removed_params_ssa_names): Copy over
11 SSA_NAME_OCCURS_IN_ABNORMAL_PHI from old_name to new_name.
14 * config/i386/i386.md (truncdfsf2 splitter): Use gen_vec_concatv2df
15 instead of gen_sse2_loadlpd.
16 * config/i386/sse.md (*vec_concatv2df): Rename to...
17 (vec_concatv2df): ... this.
19 PR tree-optimization/70127
20 * fold-const.c (operand_equal_p): Revert the 2015-10-28 change.
22 2016-03-09 David Malcolm <dmalcolm@redhat.com>
26 * diagnostic-show-locus.c (compatible_locations_p): New function.
27 (layout::layout): Sanitize ranges using compatible_locations_p.
29 2016-03-09 David Malcolm <dmalcolm@redhat.com>
33 * diagnostic-show-locus.c (layout_range::layout_range): Replace
34 location_range param with three const expanded_locations * and a
36 (layout::layout): Replace call to
37 rich_location::lazily_expand_location with get_expanded_location.
38 Extract the range and perform location expansion here, passing
39 the results to the layout_range ctor.
40 * diagnostic.c (source_range::debug): Delete.
41 * diagnostic.h (diagnostic_expand_location): Reimplement in terms
42 of rich_location::get_expanded_location.
43 * gcc-rich-location.c (get_range_for_expr): Delete.
44 (gcc_rich_location::add_expr): Reimplement to avoid the
45 rich_location::add_range overload that took a location_range,
46 passing a location_t instead.
48 2016-03-09 Richard Biener <rguenther@suse.de>
49 Jakub Jelinek <jakub@redhat.com>
51 PR tree-optimization/70138
52 * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
53 Also skip vect_double_reduction_def.
55 2016-03-09 Jakub Jelinek <jakub@redhat.com>
58 * config/i386/sse.md (*vec_extract<mode>): Use %0 instead of %k0
59 if the operand is "m".
61 2016-03-09 Nathan Sidwell <nathan@acm.org>
63 * config/nvptx/nvptx.c (nvptx_option_override): Don't kill debug level.
65 2016-03-09 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
67 * config/i386/i386.c (processor_target_table): Fix cost table
68 intialization order for znver1.
70 2016-03-08 Jakub Jelinek <jakub@redhat.com>
72 * ipa-polymorphic-call.c (walk_ssa_copies): Fix spelling
74 * ipa-reference.c (ignore_module_statics): Likewise.
75 * cgraph.c (cgraph_node::get_body): Likewise.
76 * ipa-inline.c (early_inliner): Likewise.
77 * ipa-devirt.c (types_same_for_odr): Likewise.
78 * tree-streamer-out.c (pack_ts_type_common_value_fields): Likewise.
79 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Likewise.
81 2016-03-08 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
83 * tree-ssa-math-opts.c: Fix typo in comment.
85 2016-03-08 Jakub Jelinek <jakub@redhat.com>
88 * config/i386/i386.c (scalar_chain::make_vector_copies,
89 scalar_chain::convert_reg): Call end_sequence in between
90 get_insns and emit_conversion_insns rather than after both
93 2016-03-07 Uros Bizjak <ubizjak@gmail.com>
96 * config/i386/i386.h (machine_function): Add
97 pc_thunk_call_expanded flag.
98 (ix86_pc_thunk_call_expanded): New define.
99 * config/i386/i386.md (set_got, set_got_labelled): New expanders.
100 (*set_got): Rename insn pattern from set_got.
101 (*set_got_labelled): Rename inst pattern from set_got_labelled.
102 * config/i386/i386.c (ix86_compute_frame_layout): Use
103 ix86_pc_thunk_call_expanded to prevent red-zone.
105 2016-03-07 Martin Jambor <mjambor@suse.cz>
107 * hsa.h (hsa_get_ctor_statements): Declare.
108 (hsa_get_dtor_statements): Likewise.
109 (hsa_get_kernel_dispatch_type): Likewise.
110 * hsa.c (hsa_get_ctor_statements): New function.
111 (hsa_get_dtor_statements): Likewise.
112 (hsa_get_kernel_dispatch_type): Likewise.
113 * hsa-brig.c (hsa_cdtor_statements): Removed.
114 (hsa_output_libgomp_mapping): Use hsa_get_ctor_statements and
115 hsa_get_dtor_statements.
116 * hsa-gen.c (hsa_kernel_dispatch_type): Removed.
117 (get_hsa_kernel_dispatch_offset): Use hsa_get_kernel_dispatch_type.
119 2016-03-07 Andre Vieira <andre.simoesdiasvieira@arm.com>
121 * config/arm/arm-cores.def (cortex-r8): New.
122 * config/arm/arm-tables.opt (cortex-r8): Regenerate.
123 * config/arm/arm-tune.md: Likewise.
124 * gcc/doc/invoke.texi: Add cortex-r8 to list of cpu values.
126 2016-03-07 Martin Sebor <msebor@redhat.com>
128 PR rtl-optimization/19705
129 * doc/invoke.texi (Options That Control Optimization): Clarify
130 -fno-branch-count-reg.
132 2016-02-26 Richard Biener <rguenther@suse.de>
133 Jeff Law <law@redhat.com>
135 PR tree-optimization/69740
136 * cfghooks.c (remove_edge): Request loop fixups if we delete
137 an edge that might turn an irreducible loop into a natural
139 * cfgloop.h (check_verify_loop_structure): Clear LOOPS_NEED_FIXUP.
140 Move after definition of loops_state_clear.
142 2016-03-07 Bin Cheng <bin.cheng@arm.com>
144 PR rtl-optimization/69052
145 * rtlanal.c (commutative_operand_precedence): Set higher precedence
148 2016-03-07 Tom de Vries <tom@codesourcery.com>
150 PR tree-optimization/70116
151 * tree-ssa-tail-merge.c (merge_stmts_p): New function, handling
152 is_tm_ending stmts and ubsan/asan internal functions.
153 (find_duplicate): Use it. Don't test is_tm_ending here.
155 2016-03-07 Richard Biener <rguenther@suse.de>
157 PR tree-optimization/70115
158 * tree-ssa-loop-ivcanon.c (propagate_into_all_uses): Remove.
159 (propagate_constants_for_unrolling): Use replace_uses_by.
161 2016-03-07 Nathan Sidwell <nathan@codesourcery.com>
164 * omp-low.c (struct oacc_loop): Add ifns.
165 (new_oacc_loop_raw): Initialize it.
166 (finish_oacc_loop): Clear mask & flags if no ifns.
167 (oacc_loop_discover_walk): Count IFN_GOACC_LOOP calls.
168 (oacc_loop_xform_loop): Add ifns arg & adjust.
169 (oacc_loop_process): Adjust oacc_loop_xform_loop call.
171 2016-03-07 Richard Henderson <rth@redhat.com>
174 * tree-outofssa.c (emit_partition_copy): Flush pending stack adjust.
175 (insert_value_copy_on_edge): Likewise.
177 2016-03-07 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
179 * config/arm/arm_neon.h: Show error if using with soft-float ABI.
181 2016-03-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
184 * config/i386/sol2.h (STACK_REALIGN_DEFAULT): Define.
186 2016-03-05 Venkataramanan Kumar <Venkataramanan.kumar@amd.com>
188 * config/i386/i386.c (znver1_cost): Fix Multiply cost.
190 2016-03-05 Venkataramanan Kumar <Venkataramanan.kumar@amd.com>
192 Fix sseimul type attribute.
193 * config/i386/znver1.md
194 (znver1_sseimul, znver1_sseimul_avx256, znver1_sseimul_load,
195 znver1_sseimul_avx256_load) : Fix the type attribute.
196 (znver1_sseimul_di, znver1_sseimul_load_di): Fix type attribute,
197 pipe usage and latency.
199 2016-03-05 Jakub Jelinek <jakub@redhat.com>
202 * tree-inline.c (copy_tree_body_r): When cancelling ADDR_EXPR
203 of INDIRECT_REF and ADDR_EXPR changed type, fold_convert it
206 2016-03-04 Bernd Schmidt <bschmidt@redhat.com>
209 * targhooks.c (default_vector_alignment): Limit to MAX_OFILE_ALIGNMENT.
211 PR rtl-optimization/69941
212 * postreload.c (reload_combine_recognize_pattern): Ensure all uses of
213 the reg share its mode.
215 2016-03-04 Jeff Law <law@redhat.com>
217 PR tree-optimization/69196
218 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
219 If the both SSA_NAMEs are anonymous, then consider them unassociated
220 and include the PHI in the statement count.
222 2016-03-05 Tom de Vries <tom@codesourcery.com>
224 * omp-low.c (check_omp_nesting_restrictions): Check for non-oacc
225 construct in oacc routine. Check for oacc region in oacc routine.
227 2016-03-04 Jakub Jelinek <jakub@redhat.com>
230 * config/i386/i386.c (decide_alg): Add RECUR argument. Revert
231 2016-02-22 changes, instead don't recurse if RECUR is already true.
232 Don't change *dynamic_check if RECUR. Adjust recursive caller
233 to pass true to the new argument.
234 (ix86_expand_set_or_movmem): Adjust decide_alg caller.
237 * config/i386/sse.md (vec_set_lo_<mode><mask_name>,
238 <extract_type_2>_vinsert<shuffletype><extract_suf_2>_mask): Formatting
240 (vec_set_hi_<mode><mask_name>): Likewise. Swap VEC_CONCAT operands.
242 2016-03-04 Bernd Schmidt <bschmidt@redhat.com>
244 PR rtl-optimization/57676
245 * lra-assigns.c (lra_assign): Guard test for maximum iterations
248 2016-03-04 Ilya Enkovich <enkovich.gnu@gmail.com>
250 * tree-vect-patterns.c (search_type_for_mask): Handle
251 comparison of booleans.
253 2016-03-04 Jakub Jelinek <jakub@redhat.com>
255 * doc/extend.texi (__builtin_alloca, __builtin_alloca_with_align):
259 * dwarf2out.c (prune_unused_types_walk_loc_descr): Handle
260 all other ops that have dw_val_class_die_ref operands,
261 and DW_OP_GNU_entry_value.
263 2016-03-03 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
265 PR rtl-optimization/69904
266 * config/arm/arm.c (arm_cannot_copy_insn_p):
267 Return true for load-exclusive instructions.
269 2016-03-03 Jakub Jelinek <jakub@redhat.com>
272 * tree-vect-stmts.c (vect_mark_relevant): Remove USED_IN_PATTERN
273 argument, if STMT_VINFO_IN_PATTERN_P (stmt_info), always mark
274 the pattern no matter if it is used just by non-pattern, pattern
276 (process_use, vect_mark_stmts_to_be_vectorized): Adjust callers.
277 * tree-vect-patterns.c (vect_recog_vector_vector_shift_pattern): If
278 oprnd1 def_stmt is in pattern, don't look through it.
280 2016-03-03 Marek Polacek <polacek@redhat.com>
283 * match.pd (X % -Y): Add INTEGRAL_TYPE_P check.
285 2016-03-03 Martin Liska <mliska@suse.cz>
287 PR tree-optimization/70043
288 * tree-vect-loop.c (optimize_mask_stores): Move iterator to
289 previous statement if we see a debug statement.
291 2016-03-03 Richard Biener <rguenther@suse.de>
293 PR tree-optimization/55936
294 * tree-vrp.c (compare_name_with_value): Add use_equiv_p
295 parameter and guard unsafe equivalence use.
296 (vrp_evaluate_conditional_warnv_with_ops): Always use
297 safe equivalences but not via the quadratic compare_names
300 2016-03-03 Michael Collison <michael.collison@linaro.org>
303 * config/arm/arm.md (*subsi3_carryin_const): Change predicate
304 for operand 1 to s_register_operand. Change predicate for operand
305 2 to arm_not_immediate_operand.
307 2016-03-02 H.J. Lu <hongjiu.lu@intel.com>
309 * doc/tm.texi: Regenerated.
311 2016-03-02 Richard Henderson <rth@redhat.com>
314 * simplify-rtx.c (simplify_plus_minus): Allow reassoc without
315 simplification when all args are positive non-fixed registers.
317 2016-03-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
319 * target.def (lra_p): Specify that new ports should use LRA.
321 2016-03-02 Jakub Jelinek <jakub@redhat.com>
324 * gimplify.c (gimplify_decl_expr): For decls with REFERENCE_TYPE, also
325 gimplify_type_sizes the type they refer to.
326 (omp_notice_variable): Handle reference vars to VLAs.
327 * omp-low.c (lower_omp_target): Emit setup of OMP_CLAUSE_PRIVATE
328 reference to VLA decls in the second pass instead of first pass.
330 2016-03-02 Tom de Vries <tom@codesourcery.com>
332 PR tree-optimization/68659
333 * graphite-isl-ast-to-gimple.c (collect_all_ssa_names): Handle
334 new_expr == NULL_TREE.
335 (get_new_name): Handle ADDR_EXPR.
337 2016-03-02 Bin Cheng <bin.cheng@arm.com>
339 PR rtl-optimization/69052
340 * loop-invariant.c (canonicalize_address): New function.
341 (inv_can_prop_to_addr_use): Check validity of address expression
342 which is canonicalized by above function.
344 2016-03-02 Alan Modra <amodra@gmail.com>
347 * ipa-icf.c (sem_variable::merge): Do not merge an alias with
350 2016-03-02 Jakub Jelinek <jakub@redhat.com>
353 * config/i386/i386.md (kmovw): Move m constraint to 2nd alternative.
354 (*movhi_internal): Put mask moves from and to memory separately
355 from moves from/to GPRs.
357 2016-03-02 Richard Biener <rguenther@suse.de>
359 * genmatch.c (dt_node::gen_kids): Fix match code-gen for embedded
360 GENERIC expressions in GIMPLE.
362 2016-03-02 Richard Biener <rguenther@suse.de>
364 * config/i386/i386.c (type_natural_mode): Fix typo.
366 2016-03-02 Nick Clifton <nickc@redhat.com>
368 * config.gcc (mep-*-elf): Add newlib-stdint.h to tm_file.
370 2016-03-02 Richard Biener <rguenther@suse.de>
371 Uros Bizjak <ubizjak@gmail.com>
374 * config/i386/i386.c (type_natural_mode): Handle XFmode vectors.
376 2016-03-02 Richard Biener <rguenther@suse.de>
379 * tree-cfg.c (verify_expr): Adjust BIT_FIELD_REF case.
381 2016-03-02 Marek Polacek <polacek@redhat.com>
384 * gimplify.c (gimplify_va_arg_expr): Use expanded location for the
385 "is promoted to" warning.
387 2016-03-01 DJ Delorie <dj@redhat.com>
389 * config.gcc: Deprecate mep-*.
391 2016-03-01 Vladimir Makarov <vmakarov@redhat.com>
394 * lra-constraints.c (regno_val_use_in): New.
395 (match_reload): Use it instead of regno_use_in.
397 2016-03-01 Eric Botcazou <ebotcazou@adacore.com>
399 PR rtl-optimization/70007
400 * gcse.c (compute_ld_motion_mems): Tidy up and also invalidate memory
401 references present in REG_EQUAL notes attached to non-SET patterns.
403 2016-03-01 Jeff Law <law@redhat.com>
405 PR tree-optimization/69196
406 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
407 Appropriately clamp the number of statements to copy when the
408 thread path does not traverse a loop backedge.
410 PR tree-optimization/69196
411 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
412 Do count some PHIs in the thread path against the insn count. Decrease
413 final statement count by one as the control statement in the last
414 block will get removed. Remove special cased code for handling PHIs
417 2016-03-01 Uros Bizjak <ubizjak@gmail.com>
420 * config/i386/i386.c (ix86_output_call_insn): Add -masm=intel
421 asm dialect alternatives to explicit GOTPCREL calls.
423 2016-03-01 Eric Botcazou <ebotcazou@adacore.com>
426 * ira.c (do_reload): Issue warning for generic stack checking here...
427 * reload1.c (reload): ...instead of here and streamline it.
429 2016-03-01 Nick Clifton <nickc@redhat.com>
431 * config.gcc (cr16-*-elf): Add newlib-stdint.h to tm_file.
433 2016-03-01 Richard Biener <rguenther@suse.de>
435 PR tree-optimization/69983
436 * tree-chrec.c (eq_evolutions_p): Handle conversions, compare
437 types and fall back to operand_equal_p.
439 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
442 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
444 * config/s390/constraints.md ("jm8"): New constraint.
445 * config/s390/predicates.md ("const_int_8bitset_operand"): New
447 * config/s390/s390.md ("*setmem_long", "*setmem_long_and"): Merge
449 ("*setmem_long<setmem_and>"): New pattern.
450 ("*setmem_long_31z", "*setmem_long_and_31z"): Merge
452 ("*setmem_long_31z<setmem_and>"): New pattern.
453 * config/s390/subst.md ("setmem_31z_subst", "setmem_and_subst"):
454 New substitution rules with the required attributes.
457 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
460 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
462 * gensupport.c (process_substs_on_one_elem): Split loop to
463 complete mark_operands_used_in_match_dup on all expressions in the
465 (adjust_operands_numbers): Inline into process_substs_on_one_elem
468 2016-03-01 Richard Biener <rguenther@suse.de>
471 * fold-const.c (fold_indirect_ref_1): Fix range checking for
472 vector BIT_FIELD_REF extract.
474 2016-03-01 Richard Biener <rguenther@suse.de>
476 PR tree-optimization/69994
477 * tree-ssa-reassoc.c (ops_equal_values_p): Handle missing case.
479 2016-03-01 Ilya Enkovich <enkovich.gnu@gmail.com>
481 PR tree-optimization/69956
482 * tree-vect-stmts.c (supportable_widening_operation): Support
483 multi-step conversion of boolean vectors.
484 (supportable_narrowing_operation): Likewise.
486 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
488 * config/s390/s390.c (s390_decompose_address): Don't accept SImode
491 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
493 * config/s390/subst.md (DSI_VI): New mode iterator.
494 ("addr_style_op_subst"): Use DSI_VI instead of DSI.
495 * config/s390/vector.md ("vec_set<mode>"): Move expander before
497 ("*vec_set<mode>"): Change predicate and add alternative to
498 support only either register or const_int operands as element
500 ("*vec_set<mode>_plus"): New pattern to support reg + const_int
502 ("vec_extract<mode>"): New expander.
503 ("*vec_extract<mode>"): New insn definition supporting reg and
504 const_int element selectors.
505 ("*vec_extract<mode>_plus"): New insn definition supporting
506 reg+const_int element selectors.
507 ("rotl<mode>3", "ashl<mode>3", "ashr<mode>3"): Merge into the
508 following expander+insn definition.
509 ("<vec_shifts_name><mode>3"): New expander.
510 ("*<vec_shifts_name><mode>3<addr_style_op>"): New insn definition.
512 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
514 * config/s390/s390.md ("*tabort_1"): Change predicate to
515 nonmemory_operand. Add a second alternative to cover
516 register as well as const int operands.
517 ("*tabort_1_plus"): New pattern definition.
519 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
521 * config/s390/s390.md ("*ashrdi3_cc_31")
522 ("*ashrdi3_cconly_31""*ashrdi3_cc_31_and")
523 ("*ashrdi3_cconly_31_and", "*ashrdi3_31_and", "*ashrdi3_31"):
524 Merge insn definitions into ...
525 ("*ashrdi3_31<addr_style_op_cc><masked_op_cc><setcc><cconly>"):
526 New pattern definition.
527 ("*ashr<mode>3_cc", "*ashr<mode>3_cconly", "ashr<mode>3", )
528 ("*ashr<mode>3_cc_and", "*ashr<mode>3_cconly_and")
529 ("*ashr<mode>3_and"): Merge insn definitions into ...
530 ("*ashr<mode>3<addr_style_op_cc><masked_op_cc><setcc><cconly>"):
531 New pattern definition.
532 * config/s390/subst.md ("addr_style_op_cc_subst")
533 ("masked_op_cc_subst", "setcc_subst", "cconly_subst"): New
534 substitutions patterns plus attributes.
535 Add ashiftrt to SUBST iterator.
537 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
539 * config/s390/s390.md ("<shift><mode>3"): Change predicate of
540 op2 to nonmemory_operand.
541 ("*<shift>di3_31", "*<shift>di3_31_and"):
542 Merge into single pattern definition ...
543 ("*<shift>di3_31<addr_style_op><masked_op>"): New pattern.
544 ("*<shift><mode>3", "*<shift><mode>3_and"): Merge into single
545 pattern definition ...
546 ("*<shift><mode>3<addr_style_op><masked_op>"): New pattern.
547 * config/s390/subst.md: Add ashift and lshiftrt to SUBST
550 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
552 * config/s390/predicates.md (const_int_6bitset_operand): New
554 * config/s390/s390.md: Include subst.md.
555 ("rotl<mode>3"): New expander.
556 ("rotl<mode>3", "*rotl<mode>3_and"): Merge insn definitions into
558 ("*rotl<mode>3<addr_style_op><masked_op>"): New insn definition.
559 * config/s390/subst.md: New file.
561 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
563 * config/s390/s390.md ("op_type", "atype", "length" attributes):
564 Remove RRR type. It doesn't really exist.
565 ("RRer", "f0", "v0", "vf", "vd", "op1", "Rf"): Remove mode
567 ("BFP", "DFP", "nDSF", "nDFDI"): Add mode attributes.
568 ("*cmp<mode>_ccs", "floatdi<mode>2", "add<mode>3")
569 ("*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3")
570 ("*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3")
571 ("fma<mode>4", "fms<mode>4", "div<mode>3", "*neg<mode>2")
572 ("*abs<mode>2", "*negabs<mode>2", "sqrt<mode>2"): Override
575 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
577 * gensupport.c (process_substs_on_one_elem): Split loop to
578 complete mark_operands_used_in_match_dup on all expressions in the
580 (adjust_operands_numbers): Inline into process_substs_on_one_elem
583 2016-02-29 Eric Botcazou <ebotcazou@adacore.com>
586 * config/sparc/sparc.c (NWORDS_UP): Rename to...
587 (CEIL_NWORDS): ...this. Use CEIL macro.
588 (compute_fp_layout): Adjust to above renaming.
589 (function_arg_union_value): Likewise.
590 (sparc_arg_partial_bytes): Likewise.
591 (sparc_function_arg_advance): Likewise.
593 2016-02-29 Jeff Law <law@redhat.com>
595 PR tree-optimization/70005
596 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Handle case
597 where an object with a boolean range is compared against a value
600 PR tree-optimization/69999
601 * gimple-ssa-split-paths.c (split_paths): When duplicating a block
602 with an outgoing edge marked with EDGE_IRREDUCIBLE_LOOP, schedule
605 2016-02-29 Richard Biener <rguenther@suse.de>
607 PR tree-optimization/69994
608 * tree-ssa-reassoc.c (gimple_nop_conversion_p): New function.
609 (get_unary_op): Look through nop conversions.
610 (ops_equal_values_p): New function, look for equality diregarding
612 (eliminate_plus_minus_pair): Use ops_equal_values_p
613 (repropagate_negates): Do not use get_unary_op here.
615 2016-02-29 Martin Liska <mliska@suse.cz>
617 * system.h: Poison ENABLE_CHECKING macro.
619 2016-02-29 Martin Liska <mliska@suse.cz>
621 * hsa-gen.c (gen_body_from_gimple): Dump only if TDF_DETAILS
622 is presented in dump flags.
623 * hsa-regalloc.c (linear_scan_regalloc): Likewise.
624 (hsa_regalloc): Likewise.
626 2016-02-19 Richard Biener <rguenther@suse.de>
628 PR tree-optimization/69980
629 * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Update
630 permutation of those we need to keep.
632 2016-02-29 Eric Botcazou <ebotcazou@adacore.com>
635 * config/sparc/sparc.c (ROUND_ADVANCE): Rename to...
637 (init_cumulative_args): Minor tweaks.
638 (sparc_promote_function_mode): Likewise.
639 (scan_record_type): Delete.
640 (traverse_record_type): New function template.
641 (classify_data_t): New structure type.
642 (classify_registers): New inline function.
643 (function_arg_slotno): In 64-bit mode, bail out early if FP slots are
644 exhausted. Instantiate traverse_record_type on classify_registers and
645 deal with the case of a structure passed in slot #15 with no FP field
647 (assign_data_t): New structure type.
648 (compute_int_layout): New static function.
649 (compute_fp_layout): Likewise.
650 (count_registers): New inline function.
651 (assign_int_registers): New static function.
652 (assign_fp_registers): Likewise.
653 (assign_registers): New inline function.
654 (function_arg_record_value_1): Delete.
655 (function_arg_record_value_2): Likewise.
656 (function_arg_record_value_3): Likewise.
657 (function_arg_record_value): Adjust to above changes. Instantiate
658 traverse_record_type on count_registers to first count the number of
659 registers to be used and then on assign_registers to assign them.
660 (function_arg_union_value): Adjust to above renaming.
661 (sparc_function_arg_1); Minor tweaks. Remove commented out code.
662 (sparc_arg_partial_bytes): Adjust to above renaming. Deal with the
663 case of a structure passed in slot #15
664 (sparc_function_arg_advance): Likewise.
665 (function_arg_padding): Minor tweak.
667 2016-02-29 Richard Biener <rguenther@suse.de>
669 PR tree-optimization/69720
670 * tree-vect-loop.c (get_initial_def_for_reduction): Avoid
671 the adjustment_def path for possibly vectorized defs.
672 (vect_create_epilog_for_reduction): Handle vectorized initial
675 2016-02-28 Eric Botcazou <ebotcazou@adacore.com>
677 * config/i386/cygming.h (STACK_REALIGN_DEFAULT): Define.
679 2016-02-27 Jeff Law <law@redhat.com>
682 2016-02-26 Richard Biener <rguenther@suse.de>
683 Jeff Law <law@redhat.com>
685 PR tree-optimization/69740
686 * cfghooks.c (remove_edge): Request loop fixups if we delete
687 an edge that might turn an irreducible loop into a natural
690 2016-02-27 Jakub Jelinek <jakub@redhat.com>
692 PR rtl-optimization/69896
693 * tree-vect-generic.c (get_compute_type): Avoid single element
696 2016-02-26 Evandro Menezes <e.menezes@samsung.com>
698 Rename the AArch64 tuning option and related functions to enable the
699 Newton series for the reciprocal square root to reflect its
700 approximative characteristic.
702 * config/aarch64/aarch64-protos.h (aarch64_emit_swrsqrt): Rename
703 function to "aarch64_emit_approx_rsqrt".
704 * config/aarch64/aarch64-tuning-flags.def: Rename tuning flag to
705 AARCH64_EXTRA_TUNE_APPROX_RSQRT.
706 * config/aarch64/aarch64.c (exynosm1_tunigs): Use new flag name.
707 (xgene1_tunings): Likewise.
708 (use_rsqrt_p): Likewise.
709 (aarch64_emit_swrsqrt): Use new function name.
710 * config/aarch64/aarch64-simd.md (aarch64_rsqrts_*): Likewise.
711 * config/aarch64/aarch64.opt (mlow-precision-recip-sqrt): Reword the
712 text explaining this option.
713 * doc/invoke.texi (-mlow-precision-recip-sqrt): Likewise.
715 2016-02-26 Jakub Jelinek <jakub@redhat.com>
718 * config/rs6000/rs6000.c (rs6000_option_override_internal): Don't
719 complain about -mallow-movmisalign without -mvsx if
720 TARGET_ALLOW_MOVMISALIGN was not set explicitly.
722 2016-02-26 Joel Sherrill <joel@rtems.org>
724 * config.gcc: Add x86_64-*-rtems*.
725 * gcc/config/i386/rtems-64.h: New file.
727 2016-02-26 Joel Sherrill <joel@rtems.org>
729 * config.gcc: Add aarch64-*-rtems*.
730 * gcc/config/aarch64/rtems.h: New file.
732 2016-02-26 Segher Boessenkool <segher@kernel.crashing.org>
735 * config/rs6000/rs6000.c (rs6000_insn_for_shift_mask): Print rlwinm
736 shift amount using %h. Add comment.
738 2016-02-26 Richard Biener <rguenther@suse.de>
739 Jeff Law <law@redhat.com>
741 PR tree-optimization/69740
742 * cfghooks.c (remove_edge): Request loop fixups if we delete
743 an edge that might turn an irreducible loop into a natural
746 2016-02-26 Martin Jambor <mjambor@suse.cz>
749 * tree-sra.c (sra_modify_assign): Do not remove loads of
750 uninitialized aggregates to SSA_NAMEs.
752 2016-02-26 Richard Henderson <rth@redhat.com>
755 * config/s390/s390.md (risbg and risbgn splitters): Allocate new
756 pseudo in case the target rtx matches the source of the left
759 2016-02-26 Martin Jambor <mjambor@suse.cz>
762 * hsa.h (hsa_type_packed_p): Declare.
763 * hsa.c (hsa_type_packed_p): New function.
764 * hsa-gen.c (mem_type_for_type): Use unsigned type for packed
766 (gen_hsa_insns_for_store): Use hsa_type_packed_p.
767 * hsa-brig.c (emit_basic_insn): Likewise.
769 2016-02-26 Martin Jambor <mjambor@suse.cz>
772 * hsa-gen.c (gen_hsa_phi_from_gimple_phi): Use proper hsa type for
774 (gen_hsa_addr): Allow integer constants in TMR_INDEX2.
776 2016-02-26 Martin Jambor <mjambor@suse.cz>
778 * hsa.h (is_a_helper): New overload for hsa_op_immed for
779 hsa_op_with_type operands.
780 (hsa_unsigned_type_for_type): Declare.
781 * hsa.c (hsa_unsigned_type_for_type): New function.
782 * hsa-gen.c (gen_hsa_binary_operation): Use hsa_unsigned_type_for_type.
783 (gen_hsa_insns_for_operation_assignment): Satisfy constrains of
784 the finalizer. Do not emit extra move.
786 2016-02-26 Martin Jambor <mjambor@suse.cz>
788 * hsa-gen.c (gen_hsa_ternary_atomic_for_builtin): Fail in presence of
789 atomic operations in private segment.
791 2016-02-26 Martin Jambor <mjambor@suse.cz>
793 * omp-low.c (grid_find_ungridifiable_statement): Store problematic
794 statements to wi->info. Also disallow omp simd constructs.
795 (grid_target_follows_gridifiable_pattern): Use wi.info to dump reason
796 for not gridifying. Dump special string for omp_for.
798 2016-02-26 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
801 * config/aarch64/aarch64.c (aarch64_set_current_function):
802 Save/restore target globals when switching to
803 target_option_default_node.
805 2016-02-26 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
808 * config/aarch64/aarch64.c (aarch64_shift_truncation_mask):
809 Return 0 if !SHIFT_COUNT_TRUNCATED.
811 2016-02-26 Jakub Jelinek <jakub@redhat.com>
812 Eric Botcazou <ebotcazou@adacore.com>
814 PR rtl-optimization/69891
815 * dse.c (scan_insn): If we can't figure out memset arguments
816 or they are non-constant, call clear_rhs_from_active_local_stores.
818 2016-02-26 Martin Liska <mliska@suse.cz>
820 * doc/extend.texi: Mention clog10, clog10f an clog10l
823 2016-02-26 Martin Liska <mliska@suse.cz>
825 * dwarf2out.c (new_loc_descr): Replace ENABLE_CHECKING with
827 (resolve_args_picking_1): Likewise.
828 * dwarf2out.h (struct GTY): Likewise.
830 2016-02-26 Martin Liska <mliska@suse.cz>
832 * hsa-gen.c (generate_hsa): Replace ENABLE_CHECKING macro
834 * hsa-regalloc.c (linear_scan_regalloc): Likewise.
836 2016-02-26 Markus Trippelsdorf <markus@trippelsdorf.de>
837 Martin Liska <mliska@suse.cz>
839 * doc/install.texi: Mention --enable-valgrind-annotations.
841 2016-02-26 Richard Biener <rguenther@suse.de>
843 PR tree-optimization/69551
844 * tree-ssa-structalias.c (get_constraint_for_ssa_var): When
845 looking through aliases adjust DECL_PT_UID to refer to the
846 ultimate alias target.
848 2016-02-25 Martin Liska <mliska@suse.cz>
851 * alloc-pool.c (after_memory_report): New variable.
852 * alloc-pool.h (base_pool_allocator ::release): Do not use
853 the infrastructure if after_memory_report.
854 * toplev.c (toplev::main): Mark after memory report.
856 2016-02-25 Richard Biener <rguenther@suse.de>
858 PR tree-optimization/48795
859 * tree-vrp.c (check_array_ref): Use array_at_struct_end_p.
861 2016-02-25 Ilya Verbin <ilya.verbin@intel.com>
864 * config/gnu-user.h (CRTOFFLOADBEGIN): Define. Add crtoffloadbegin.o if
865 offloading is enabled and -fopenacc or -fopenmp is specified.
866 (CRTOFFLOADEND): Likewise.
867 (GNU_USER_TARGET_STARTFILE_SPEC): Add CRTOFFLOADBEGIN.
868 (GNU_USER_TARGET_ENDFILE_SPEC): Add CRTOFFLOADEND.
869 * lto-wrapper.c (offloadbegin, offloadend): Remove static vars.
870 (offload_objects_file_name): New static var.
871 (tool_cleanup): Remove offload_objects_file_name file.
872 (find_offloadbeginend): Replace with ...
873 (find_crtoffloadtable): ... this.
874 (run_gcc): Remove offload_argc and offload_argv.
875 Get offload_objects_file_name from -foffload-objects=... option.
876 Read names of object files with offload from this file, pass them to
877 compile_images_for_offload_targets. Don't call find_offloadbeginend and
878 don't pass offloadbegin and offloadend to the linker. Don't pass
879 offload non-LTO files to the linker, because now they're not claimed.
881 2016-02-25 Jan Hubicka <hubicka@ucw.cz>
884 * ipa-devirt.c (possible_polymorphic_call_targets): Do not ICE
885 on builtin_unreachable.
887 2016-02-25 Jakub Jelinek <jakub@redhat.com>
889 PR rtl-optimization/69896
890 * regcprop.c: Include cfgrtl.h.
891 (copyprop_hardreg_forward_1): If noop_p insn uses narrower
892 than remembered mode, either delete it (if noop_move_p), or
893 treat like copy_p but not noop_p instruction.
895 2016-02-24 Jakub Jelinek <jakub@redhat.com>
898 * dwarf2out.c (gen_variable_die): Work around buggy LTO
899 - allow NULL decl for Fortran DW_TAG_common_block variables.
901 2016-02-24 Jason Merrill <jason@redhat.com>
903 * common.opt (flifetime-dse): Add -flifetime-dse=1.
905 2016-02-24 Richard Biener <rguenther@suse.de>
906 Jakub Jelinek <jakub@redhat.com>
909 * tree-scalar-evolution.c (interpret_rhs_expr): Re-write
910 conditionally executed ops to well-defined overflow behavior.
912 2016-02-24 Jakub Jelinek <jakub@redhat.com>
915 * tree.c (build_vector_from_ctor): Fix handling of VECTOR_CST
918 2016-02-24 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
920 PR rtl-optimization/69886
921 * gcse.c (can_assign_to_reg_without_clobbers_p): Accept mode
922 argument. Use it when checking validity of set instructions.
923 (want_to_gcse_p): Pass mode to can_assign_to_reg_without_clobbers_p.
924 (compute_ld_motion_mems): Update can_assign_to_reg_without_clobbers_p
926 * rtl.h (can_assign_to_reg_without_clobbers_p): Update prototype.
927 * store-motion.c (find_moveable_store): Update
928 can_assign_to_reg_without_clobbers_p callsite.
930 2016-02-24 Richard Biener <rguenther@suse.de>
933 * tree-ssa-loop-niter.c (derive_constant_upper_bound_ops): Fix
935 (record_nonwrapping_iv): Do not fall back to the low/high bound
936 for non-constant IV bases if the stmt is not always executed.
938 2016-02-24 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
940 * config/arm/arm-cores.def (cortex-a32): New entry.
941 * config/arm/arm-tables.opt: Regenerate.
942 * config/arm/arm-tune.md: Regenerate.
943 * config/arm/bpabi.h (BE8_LINK_SPEC): Add mcpu=cortex-a32.
944 * config/arm/t-aprofile: Handle mcpu=cortex-a32.
945 * doc/invoke.texi (ARM Options): Document cortex-a32 as value
946 for -mcpu and -mtune.
948 2016-02-24 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
951 * config/arm/arm.h (TARGET_HAVE_LPAE): Define.
952 * config/arm/unspecs.md (VUNSPEC_LDRD_ATOMIC): New value.
953 * config/arm/sync.md (arm_atomic_loaddi2_ldrd): New pattern.
954 (atomic_loaddi_1): Delete.
955 (atomic_loaddi): Rewrite expander using the above changes.
957 2016-02-24 Jakub Jelinek <jakub@redhat.com>
960 * params.def (PARAM_MAX_SSA_NAME_QUERY_DEPTH): Bump default from
963 2016-02-24 Jakub Jelinek <jakub@redhat.com>
964 Richard Biener <rguenth@suse.de>
967 * expr.c (expand_expr_real_1) <normal_inner_ref>: Avoid
968 set_mem_attributes if tem is SSA_NAME which got expanded
971 2016-02-24 Richard Biener <rguenther@suse.de>
973 PR tree-optimization/69907
974 * tree-vect-stmts.c (vectorizable_load): Check for gaps at the
975 end of permutations for BB vectorization.
977 2016-02-24 Christian Bruel <christian.bruel@st.com>
979 * config/arm/arm-c.c (arm_option_override): Initialize
980 target_option_current_node.
981 * config/arm/arm.c (arm_pragma_target_parse): Replace
982 build_target_option_node call by target_option_current_node.
983 Set target_option_current_node.
986 2016-02-23 David Edelsohn <dje.gcc@gmail.com>
989 * config/rs6000/rs6000.md (zero_extendqi<mode>2_dot): Convert from
990 define_insn_and_split to define_insn.
991 (zero_extendqi<mode>2_dot2): Same.
992 (extendqi<mode>2_dot): Same.
993 (extendqi<mode>2_dot2): Same.
995 2016-02-23 Evandro Menezes <e.menezes@samsung.com>
997 * config/arm/exynos-m1.md: Change cost of STP, fix bypass for stores
998 and add bypass for AES{D,E} and AESMC pairs.
999 * config/aarch64/aarch64.c (exynosm1_tunings): Enable fusion of AES{D,E}
1002 2016-02-23 Evandro Menezes <e.menezes@samsung.com>
1004 * config/aarch64/aarch64.c (exynosm1_tunings): Enable the Newton
1005 series for reciprocal square root in Exynos M1.
1007 2016-02-23 Martin Sebor <msebor@redhat.com>
1010 * doc/extend.texi (Other Builtins): Document __builtin_alloca and
1011 __builtin_alloca_with_align.
1013 2016-02-23 Richard Henderson <rth@redhat.com>
1015 * config/i386/i386-c.c (ix86_target_macros): Remove __SEG_TLS.
1016 (ix86_register_pragmas): Remove __seg_tls.
1017 * config/i386/i386-protos.h (ADDR_SPACE_SEG_TLS): Remove.
1018 * config/i386/i386.c (ix86_print_operand_address_as): Don't handle it.
1019 (ix86_addr_space_subset_p, TARGET_ADDR_SPACE_SUBSET_P): Remove.
1020 (ix86_addr_space_convert, TARGET_ADDR_SPACE_CONVERT): Remove.
1021 (ix86_addr_space_debug, TARGET_ADDR_SPACE_DEBUG): Remove.
1022 * doc/extend.texi (__seg_tls): Remove item.
1024 2016-02-23 Richard Biener <rguenther@suse.de>
1026 * alloc-pool.h (struct allocation_object): Make id member
1027 conditional on CHECKING_P again.
1028 (get_instance): Adjust.
1029 (base_pool_allocator): Likewise.
1031 2016-02-23 Thomas Schwinge <thomas@codesourcery.com>
1033 * tree-parloops.c (create_parallel_loop, gen_parallel_loop)
1034 (parallelize_loops): In OpenACC kernels mode, set n_threads to
1036 (pass_parallelize_loops::gate): In OpenACC kernels mode, gate on
1038 * tree-ssa-loop.c (gate_oacc_kernels): Likewise.
1040 2016-02-23 Richard Biener <rguenther@suse.de>
1042 * mem-stats.h (struct mem_usage): Use PRIu64 for printing size_t.
1043 * bitmap.h (struct bitmap_usage): Likewise.
1044 (bitmap_move): Declare.
1045 * bitmap.c (register_overhead): Take size_t argument.
1046 (bitmap_move): New function.
1047 * df-problems.c (df_rd_transfer_function): Use bitmap_move
1048 to properly account overhead.
1049 * tree.c (free_node): Use tree_size.
1051 2016-02-23 Jakub Jelinek <jakub@redhat.com>
1054 * fold-const.c (fold_truth_not_expr): Propagate TREE_NO_WARNING
1055 when inverting comparison.
1058 * common.opt (Wunreachable-code): Add Warning flag.
1060 2016-02-23 Mark Wielaard <mjw@redhat.com>
1061 Jakub Jelinek <jakub@redhat.com>
1064 * cgraphunit.c (check_global_declaration): Check main_input_filename
1065 and DECL_SOURCE_FILE are not NULL.
1067 2016-02-23 Martin Jambor <mjambor@suse.cz>
1069 PR tree-optimization/69666
1070 * tree-sra.c (sra_modify_assign): Do not attempt to create
1071 default_def replacements for unscalarizable regions.
1073 2016-02-20 Mark Wielaard <mjw@redhat.com>
1076 * cgraphunit.c (check_global_declaration): Check level of
1077 warn_unused_const_variable and main_input_filename.
1078 * doc/invoke.texi (Warning Options): Add -Wunused-const-variable=.
1079 (-Wunused-variable): For C implies -Wunused-const-variable=1.
1080 (-Wunused-const-variable): Explain levels 1 and 2.
1082 2016-02-22 Jakub Jelinek <jakub@redhat.com>
1085 * config/i386/i386.c (decide_alg): Ensure we don't recurse with
1086 identical arguments. Formatting and spelling fixes.
1089 * doc/md.texi (ashl@var{m}3): Document that mode of operand 2 must
1094 * config/m68k/t-opts (OPTIONS_H_EXTRA): Add m68k-microarchs.def
1095 and m68k-devices.def.
1096 * config/c6x/t-c6x (OPTIONS_H_EXTRA): Add c6x-isas.def.
1097 * config/aarch64/t-aarch64 (OPTIONS_H_EXTRA): Add aarch64-arches.def.
1099 2016-02-22 Cesar Philippidis <cesar@codesourcery.com>
1101 * config/nvptx/nvptx.c (nvptx_gen_shuffle): Add support for QImode
1102 and HImode registers.
1104 2016-02-22 Richard Biener <rguenther@suse.de>
1106 PR tree-optimization/69882
1107 * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Properly
1108 preserve permutations present because of gaps.
1109 (vect_supported_load_permutation_p): Always continue checking
1110 permutations after vect_attempt_slp_rearrange_stmts.
1112 2016-02-22 Bin Cheng <bin.cheng@arm.com>
1114 * tree-vect-loop.c (vect_estimate_min_profitable_iters): Dump
1115 min_profitable_estimate, rather than min_profitable_iters.
1117 2016-02-22 Jakub Jelinek <jakub@redhat.com>
1120 * config/m68k/m68k.md (ashldi3, ashrdi3, lshrdi3): Use
1121 SImode for last match_operand.
1123 2016-02-22 Martin Liska <mliska@suse.cz>
1125 * hsa-gen.c (gen_hsa_clrsb): In case of zero value,
1126 return bitsize - 1 as the return value.
1128 2016-02-22 Oleg Endo <olegendo@gcc.gnu.org>
1132 * config/sh/sh.c (sh_lshrsi_clobbers_t_reg_p, sh_dynamicalize_shift_p):
1133 Handle negative shift counts.
1134 * config/sh/sh.md (ashlsi3, lshrsi3_n, lshrsi3_n_clobbers_t): Don't use
1135 force_reg on the shift constant.
1136 (lshrsi3): Likewise. Expand into lshrsi3_n* instead of lshrsi3_d.
1137 (lshrsi3_d): Handle negative shift counts.
1139 2016-02-22 Richard Biener <rguenther@suse.de>
1140 Tom de Vries <tom@codesourcery.com>
1142 * graph.c: Include dumpfile.h.
1143 (print_graph_cfg): Split into three overloads.
1144 * gdbhooks.py (class DotFn): Add and instantiate, adding command dot-fn.
1146 2016-02-22 Tom de Vries <tom@codesourcery.com>
1148 * gdbhooks.py (class DumpFn): Add and instantiate, adding command
1151 2016-02-22 Richard Biener <rguenther@suse.de>
1154 * ipa-inline-transform.c (inline_call): When not updating
1155 overall summaries adjust self size by the growth estimate.
1156 * ipa-inline.c (inline_to_all_callers_1): Add to the callers
1157 hash-set, do not update overall summaries here. Renamed from ...
1158 (inline_to_all_callers): ... this which is now wrapping the
1159 above and performing delayed overall summary update.
1160 (early_inline_small_functions): Delay updating of the overall
1163 2016-02-21 Markus Trippelsdorf <markus@trippelsdorf.de>
1165 * tree-chkp.c (chkp_mark_invalid_bounds_walker): Initialize
1168 2016-02-19 Jakub Jelinek <jakub@redhat.com>
1171 * gcc.c (LINK_COMMAND_SPEC, GOMP_SELF_SPECS): Use
1172 :%* in %:gt() argument.
1173 (greater_than_spec_func): Adjust for expecting only numbers,
1174 if there are more than two numbers, compare the last two.
1176 2016-02-19 Jonathan Wakely <jwakely@redhat.com>
1178 * doc/invoke.texi (C++ Dialect Options): Clarify interaction of
1179 -Wnarrowing with -std.
1181 2016-02-19 Jakub Jelinek <jakub@redhat.com>
1184 * expr.c (store_field): Don't use bit-field path if exp is
1185 COMPONENT_REF with TREE_ADDRESSABLE type, where TYPE_SIZE is
1186 different from bitsize, but DECL_SIZE of FIELD_DECL is bitsize
1187 and the assignment can be performed by bitwise copy. Formatting
1191 * lra.c (lra_process_new_insns): If non-call exceptions are enabled,
1192 call copy_reg_eh_region_note_forward on before and/or after sequences
1193 and remove note from insn if it no longer can throw.
1196 * config/i386/sse.md (VI_512): Only include V64QImode and V32HImode
1199 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
1201 * config/s390/vector.md: Add missing commutative operand markers
1202 to the patterns which qualify for one.
1203 * config/s390/vx-builtins.md: Likewise.
1205 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
1207 * config/s390/vector.md (VI, VI_QHS): Add single element vector
1208 types to mode iterators.
1209 (vec_double): ... and mode attribute.
1210 * config/s390/vx-builtins.md (non_vec_int): Likewise.
1212 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
1214 * config/s390/vector.md ("<ti*>add<mode>3", "<ti*>sub<mode>3"):
1215 Change the predicate of op2 from nonimmediate to general and let
1216 reload fix it if necessary.
1218 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
1220 * config/s390/vecintrin.h (vec_sub_u128): Define missing macro.
1222 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
1224 * config/s390/s390.c (s390_expand_vcond): Use the compare operand
1227 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
1229 * config/s390/s390-protos.h: Add s390_expand_vec_movstr prototype.
1230 * config/s390/s390.c (s390_expand_vec_movstr): New function.
1231 * config/s390/s390.md ("movstr<P:mode>"): Call
1232 s390_expand_vec_movstr.
1234 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
1236 * config/s390/s390.md: Add missing output modifier for operand 1
1237 to print it as address properly.
1239 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
1241 * config/s390/2827.md: Rename ooo_* insn attributes to zEC12_*.
1242 * config/s390/2964.md: New file.
1243 * config/s390/s390.c (s390_get_sched_attrmask): Use the right set
1244 of insn grouping attributes depending on the CPU level.
1245 (s390_get_unit_mask): New function.
1246 (s390_sched_score): Remove the OOO from the scheduling macros.
1247 Add loop to calculate a score for the instruction mix.
1248 (s390_sched_reorder): Likewise plus improve debug output.
1249 (s390_sched_variable_issue): Rename macros as above. Calculate
1250 the unit distances after actually scheduling an insn. Improve
1252 (s390_sched_init): Clear last_scheduled_unit_distance array.
1253 * config/s390/s390.md: Include 2964.md.
1255 2016-02-18 Jakub Jelinek <jakub@redhat.com>
1258 * config/i386/sse.md (*<floatsuffix>floatv2div2sf2_mask_1,
1259 *avx512vl_<code>v2div2qi2_mask_1, *avx512vl_<code><mode>v4qi2_mask_1,
1260 *avx512vl_<code><mode>v8qi2_mask_1, *avx512vl_<code><mode>v4hi2_mask_1,
1261 *avx512vl_<code>v2div2hi2_mask_1, *avx512vl_<code>v2div2si2_mask_1,
1262 *avx512f_<code>v8div16qi2_mask_1): New insns.
1264 2016-02-18 Michael Meissner <meissner@linux.vnet.ibm.com>
1267 * config/rs6000/predicates.md (fusion_gpr_addis): Revert
1270 * config/rs6000/rs6000.md (fusion_gpr_load_<mode>): Remove
1271 earlyclobber from target. Use wF constraint for fused memory
1273 (fusion_gpr_<P:mode>_<GPR_FUSION:mode>_load): Likewise.
1275 2016-02-18 Jakub Jelinek <jakub@redhat.com>
1276 Martin Liska <mliska@suse.cz>
1279 * cfgexpand.c (asan_sanitize_stack_p): New function.
1280 (partition_stack_vars): Use the function.
1281 (expand_stack_vars): Likewise.
1282 (defer_stack_allocation): Likewise.
1283 (expand_used_vars): Likewise.
1285 2016-02-18 Richard Biener <rguenther@suse.de>
1288 * fold-const.c (operand_equal_p): Properly compare offsets for
1289 IMAGPART_EXPR and ARRAY_REF.
1291 2016-02-18 Nick Clifton <nickc@redhat.com>
1295 * config/arm/arm.c (arm_option_override_internal): Disable
1296 interworking if the target does not support thumb instructions.
1297 (arm_reload_in_hi): Handle the case where a register to register
1298 move needs reloading because there is no simple pattern to handle
1300 (arm_reload_out_hi): Likewise.
1302 2016-02-18 Richard Biener <rguenther@suse.de>
1305 * match.pd: Don't use fold_binary or fold_unary for folding
1308 2016-02-17 Jakub Jelinek <jakub@redhat.com>
1311 * gimplify.c (gimplify_cond_expr): Call gimple_set_no_warning
1312 on the cond_stmt from TREE_NO_WARNING on COND_EXPR_COND.
1313 * gimple-ssa-nonnull-compare.c (do_warn_nonnull_compare): Don't
1314 warn on gimple_no_warning_p statements.
1316 2016-02-17 Jonathan Wakely <jwakely@redhat.com>
1318 * doc/extend.texi (C++ Attributes): Correct description of
1319 warn_unused type attribute.
1321 2016-02-17 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1323 * config/rs6000/altivec.md (*altivec_lvxl_<mode>_internal): Output
1324 correct instruction.
1326 2016-02-17 Richard Biener <rguenther@suse.de>
1328 PR rtl-optimization/69609
1329 * bb-reorder.c (struct bbro_basic_block_data): Add priority member.
1330 (find_traces_1_round): When ending a trace update cached priority
1332 (bb_to_key): Use cached priority when available.
1333 (copy_bb): Initialize cached priority.
1334 (reorder_basic_blocks_software_trace_cache): Likewise.
1336 2016-02-17 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1339 * config/aarch64/predicates.md (aarch64_comparison_operator_mode):
1341 (aarch64_comparison_operator): Break overly long line into two.
1342 (aarch64_comparison_operation): Likewise.
1343 * config/aarch64/aarch64.md (cstorecc4): Use
1344 aarch64_comparison_operator_mode instead of
1345 aarch64_comparison_operator.
1346 (cstore<mode>4): Likewise.
1347 (aarch64_cstore<mode>): Likewise.
1348 (*cstoresi_insn_uxtw): Likewise.
1349 (cstore<mode>_neg): Likewise.
1350 (*cstoresi_neg_uxtw): Likewise.
1352 2016-02-17 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1355 * config/arm/predicates.md (arm_comparison_operator_mode):
1357 * config/arm/arm.md (*mov_scc): Use arm_comparison_operator_mode
1358 instead of arm_comparison_operator.
1359 (*mov_negscc): Likewise.
1360 (*mov_notscc): Likewise.
1361 * config/arm/thumb2.md (*thumb2_mov_scc): Likewise.
1362 (*thumb2_mov_negscc): Likewise.
1363 (*thumb2_mov_negscc_strict_it): Likewise.
1364 (*thumb2_mov_notscc): Likewise.
1365 (*thumb2_mov_notscc_strict_it): Likewise.
1367 2016-02-17 Wilco Dijkstra <wdijkstr@arm.com>
1369 * config/aarch64/aarch64.c (aarch64_internal_mov_immediate):
1372 2016-02-17 Eric Botcazou <ebotcazou@adacore.com>
1374 * config/visium/visium.c (machine_libfunc_index): New enum.
1375 (machine_libfuncs): New structure.
1376 (visium_libfuncs): New static variable.
1377 (TARGET_INIT_LIBFUNCS): Define to...
1378 (visium_init_libfuncs): ...this. New function.
1379 (expand_block_move_4): Use the appropriate libfunc.
1380 (expand_block_move_2): Likewise.
1381 (expand_block_move_1): Likewise.
1382 (expand_block_set_4): Likewise.
1383 (expand_block_set_2): Likewise.
1384 (expand_block_set_1): Likewise.
1385 (visium_trampoline_init): Likewise.
1387 2016-02-17 Nick Clifton <nickc@redhat.com>
1389 * config/msp430/msp430.c (msp430_mcu_data): Sync with data from
1390 TI's devices.csv file as of March 2016.
1392 2016-02-16 Kelvin Nilsen <kelvin@gcc.gnu.org>
1395 * opts-global.c (handle_common_deferred_options): Introduce and
1396 initialize two global variables to remember command-line options
1397 specifying a stack-limiting register.
1398 * opts.h: Add extern declarations of the two new global variables.
1399 * emit-rtl.c (init_emit_once): Initialize the stack_limit_rtx
1400 variable based on the values of the two new global variables.
1402 2016-02-16 Jakub Jelinek <jakub@redhat.com>
1405 * common.opt (Wnonnull-compare): New warning.
1406 * doc/invoke.texi (-Wnonnull): Remove text about comparison
1407 of arguments against NULL.
1408 (-Wnonnull-compare): Document.
1409 * Makefile.in (OBJS): Add gimple-ssa-nonnull-compare.o.
1410 * tree-pass.h (make_pass_warn_nonnull_compare): Declare.
1411 * passes.def (pass_warn_nonnull_compare): Add.
1412 * gimple-ssa-nonnull-compare.c: New file.
1414 2016-02-16 James Greenhalgh <james.greenhalgh@arm.com>
1416 * config/aarch64/aarch64.c (cortexa57_tunings): Remove
1417 AARCH64_EXTRA_TUNE_RECIP_SQRT.
1419 2016-02-16 James Greenhalgh <james.greenhalgh@arm.com>
1421 * config/aarch64/aarch64.c (use_rsqrt_p): Always use software
1422 reciprocal sqrt for -mlow-precision-recip-sqrt.
1424 2016-02-16 James Greenhalgh <james.greenhalgh@arm.com>
1425 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
1427 * config/aarch64/aarch64.c (aarch64_expand_vector_init): Refactor,
1428 always use lane loads to construct non-constant vectors.
1430 2016-02-16 James Greenhalgh <james.greenhalgh@arm.com>
1432 * config/aarch64/aarch64.md
1433 (arch64_sqrdml<SQRDMLH_AS:rdma_as>h_lane<mode>): Fix register
1434 constraints for operand 3.
1435 (aarch64_sqrdml<SQRDMLH_AS:rdma_as>h_laneq<mode>): Likewise.
1437 2016-02-16 Jakub Jelinek <jakub@redhat.com>
1438 Richard Biener <rguenther@suse.de>
1440 PR tree-optimization/69820
1441 * tree-vect-patterns.c (type_conversion_p): Return false if
1442 *orig_type is unsigned single precision or boolean.
1443 (vect_recog_dot_prod_pattern, vect_recog_widen_mult_pattern):
1446 2016-02-16 Jakub Jelinek <jakub@redhat.com>
1448 PR rtl-optimization/69764
1449 PR rtl-optimization/69771
1450 * optabs.c (expand_binop): Ensure for shift optabs invalid CONST_INT
1451 op1 is valid for GET_MODE_INNER (mode) and force it into a reg.
1453 2016-02-16 Richard Biener <rguenther@suse.de>
1455 PR tree-optimization/69776
1456 * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Get alias
1458 (indirect_refs_may_alias_p): Likewise.
1459 (refs_may_alias_p_1): Pass alias sets as from ao_ref.
1460 * tree-ssa-sccvn.c (vn_reference_lookup): Also adjust vr alias-set
1461 according to tbaa_p.
1462 * tree-ssa-dom.c (lookup_avail_expr): Add tbaa_p flag.
1463 (optimize_stmt): For redundant store discovery do not allow tbaa.
1465 2016-02-16 Bernd Schmidt <bschmidt@redhat.com>
1467 PR tree-optimization/69714
1468 * tree-ssa-math-opts.c (find_bswap_or_nop): Revert previous change.
1469 Return NULL if we have irrelevant high bytes on BIG_ENDIAN.
1471 2016-02-16 Claudiu Zissulescu <claziss@synopsys.com>
1473 * config/arc/arc-modes.def (CC_FPU, CC_FPU_UNEQ): New modes.
1474 * config/arc/arc-opts.h (FPU_SP, FPU_SF, FPU_SC, FPU_SD, FPU_DP)
1475 (FPU_DF, FPU_DC, FPU_DD, FXP_DP): Define.
1476 * config/arc/arc.c (arc_init): Check FPU options.
1477 (get_arc_condition_code): Handle new CC_FPU* modes.
1478 (arc_select_cc_mode): Likewise.
1479 (arc_conditional_register_usage): Allow 64 bit datum into even-odd
1480 register pair only. Allow access for ARCv2 accumulator.
1481 (gen_compare_reg): Whenever we have FPU support use FPU compare
1483 (arc_reorg): Don't generate brcc insns when FPU compare
1484 instructions are involved.
1485 * config/arc/arc.h (TARGET_DPFP): Add TARGET_FP_DPAX condition.
1486 (TARGET_OPTFPE): Add condition when ARC EM can use optimized
1487 floating point emulation.
1488 (ACC_REG_FIRST, ACC_REG_LAST, ACCL_REGNO, ACCH_REGNO): Define.
1489 (REVERSE_CONDITION): Add new CC_FPU* modes.
1490 (TARGET_FP_SP_BASE): Define.
1491 (TARGET_FP_DP_BASE): Likewise.
1492 (TARGET_FP_SP_FUSED): Likewise.
1493 (TARGET_FP_DP_FUSED): Likewise.
1494 (TARGET_FP_SP_CONV): Likewise.
1495 (TARGET_FP_DP_CONV): Likewise.
1496 (TARGET_FP_SP_SQRT): Likewise.
1497 (TARGET_FP_DP_SQRT): Likewise.
1498 (TARGET_FP_DP_AX): Likewise.
1499 * config/arc/arc.md (ARCV2_ACC): New constant.
1500 (type): New fpu type attribute.
1501 (SDF): Conditional iterator.
1502 (cstore<mode>, cbranch<mode>): Change expand condition.
1503 (addsf3, subsf3, mulsf3, adddf3, subdf3, muldf3): New expands,
1504 handles FPU/FPX cases as well.
1505 * config/arc/arc.opt (mfpu): New option.
1506 * config/arc/fpx.md (addsf3_fpx, subsf3_fpx, mulsf3_fpx):
1508 (adddf3, muldf3, subdf3): Removed.
1509 * config/arc/predicates.md (proper_comparison_operator): Recognize
1511 * config/arc/fpu.md: New file.
1512 * doc/invoke.texi (ARC Options): Document mfpu option.
1514 2016-02-16 Richard Biener <rguenther@suse.de>
1516 PR rtl-optimization/69291
1517 * ifcvt.c (noce_try_store_flag_constants): Re-instantiate
1518 noce_operand_ok check.
1520 2016-02-16 Tom de Vries <tom@codesourcery.com>
1523 * omp-low.c (simd_clone_create): Remove call to
1524 symtab->call_cgraph_insertion_hooks.
1526 2016-02-16 Jakub Jelinek <jakub@redhat.com>
1528 PR tree-optimization/69802
1529 * tree-ssa-reassoc.c (update_range_test): If op is
1530 SSA_NAME_IS_DEFAULT_DEF, give up unless tem is a positive
1531 op == 1 test of precision 1 integral op, otherwise handle
1532 that case as op itself. Fix up formatting.
1533 (optimize_range_tests_to_bit_test, optimize_range_tests): Fix
1536 2016-02-16 Richard Biener <rguenther@suse.de>
1538 PR tree-optimization/69586
1539 * tree-vrp.c (register_edge_assert_for_2): Handle all integral
1540 types for conversion sources.
1542 2016-02-16 Richard Biener <rguenther@suse.de>
1545 * fold-const.c (operand_equal_p): For COND_EXPR zero operand
1546 mask OEP_ADDRESS_OF.
1548 2016-02-16 Alan Modra <amodra@gmail.com>
1551 * config/rs6000/rs6000.md (reload_vsx_from_gprsf): Rewrite splitter.
1552 (p8_mtvsrd_df, p8_mtvsrd_sf): New.
1553 (p8_mtvsrd_1, p8_mtvsrd_2): Delete.
1555 (p8_mtvsrwz_1, p8_mtvsrwz_2): Delete.
1556 (p8_xxpermdi_<mode>): Take two DF inputs rather than one TF.
1557 (p8_fmrgow_<mode>): Likewise.
1558 (reload_vsx_from_gpr<mode>): Make clobber IF. Adjust for above
1560 (reload_fpr_from_gpr<mode>): Similarly. Use "d" for op0 constraint.
1561 (reload_vsx_from_gprsf): Use p8_mtvsrd_sf rather than attempting
1562 to use movdi_internal64. Remove op0_di.
1563 * config/rs6000/vsx.md (vsx_xscvspdpn_directmove): Make op1 SFmode.
1565 2016-02-15 Evandro Menezes <e.menezes@samsung.com>
1567 Add support for the FCCMP insn types
1569 * config/aarch64/aarch64.md (fccmp): Change insn type.
1571 * config/aarch64/thunderx.md (thunderx_fcmp): Add "fccmp{s,d}" types.
1572 * config/arm/cortex-a53.md (cortex_a53_fpalu): Likewise.
1573 * config/arm/cortex-a57.md (cortex_a57_fp_cmp): Likewise.
1574 * config/arm/xgene1.md (xgene1_fcmp): Likewise.
1575 * config/arm/exynos-m1.md (exynos_m1_fp_ccmp): New insn reservation.
1576 * config/arm/types.md (fccmps): Add new insn type.
1579 2016-02-15 Bernd Edlinger <bernd.edlinger@hotmail.de>
1581 * alias.c (get_alias_set): Fix a typo in comment.
1583 2016-02-15 Richard Biener <rguenther@suse.de>
1585 PR tree-optimization/69595
1586 * match.pd: Complete range test simplification to true.
1588 2016-02-15 Bernd Schmidt <bschmidt@redhat.com>
1590 PR rtl-optimization/69648
1591 * lra-constraints.c (update_ebb_live_info): Don't remove sets of
1592 pic_offset_table_rtx.
1594 PR rtl-optimization/69752
1595 * ira.c (update_equiv_regs): When looking for more than a single SET,
1596 also take other side effects into account.
1598 2016-02-15 Marcin Kościelnicki <koriakin@0x04.net>
1600 * config/s390/s390.c (s390_function_profiler): Add a new sequence
1601 for z900+ CPUs in 31-bit mode.
1603 2016-02-15 Marcin Kościelnicki <koriakin@0x04.net>
1605 * common/config/s390/s390-common.c (s390_supports_split_stack):
1607 (TARGET_SUPPORTS_SPLIT_STACK): New macro.
1608 * config/s390/s390-protos.h: Add s390_expand_split_stack_prologue.
1609 * config/s390/s390.c (struct machine_function): New field
1610 split_stack_varargs_pointer.
1611 (s390_register_info): Mark r12 as clobbered if it'll be used as temp
1612 in s390_emit_prologue.
1613 (s390_emit_prologue): Use r12 as temp if r1 is taken by split-stack
1615 (morestack_ref): New global.
1616 (SPLIT_STACK_AVAILABLE): New macro.
1617 (s390_expand_split_stack_prologue): New function.
1618 (s390_live_on_entry): New function.
1619 (s390_va_start): Use split-stack vararg pointer if appropriate.
1620 (s390_asm_file_end): Emit the split-stack note sections.
1621 (TARGET_EXTRA_LIVE_ON_ENTRY): New macro.
1622 * config/s390/s390.md (UNSPEC_STACK_CHECK): New unspec.
1623 (UNSPECV_SPLIT_STACK_CALL): New unspec.
1624 (UNSPECV_SPLIT_STACK_DATA): New unspec.
1625 (split_stack_prologue): New expand.
1626 (split_stack_space_check): New expand.
1627 (split_stack_data): New insn.
1628 (split_stack_call): New expand.
1629 (split_stack_call_*): New insn.
1630 (split_stack_cond_call): New expand.
1631 (split_stack_cond_call_*): New insn.
1633 2016-02-15 Richard Biener <rguenther@suse.de>
1635 PR tree-optimization/69783
1636 * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
1637 Add trivially correct cases.
1639 2016-02-15 Tom de Vries <tom@codesourcery.com>
1642 * lto-cgraph.c (input_offload_tables): Add and handle bool parameter
1644 * lto-streamer.h (input_offload_tables): Add and handle bool parameter.
1646 2016-02-15 Richard Biener <rguenther@suse.de>
1648 PR tree-optimization/69776
1649 * tree-ssa-sccvn.h (vn_reference_lookup): Adjust prototype.
1650 * tree-ssa-sccvn.c (vn_reference_lookup): Add parameter to
1651 indicate whether we can use TBAA to disambiguate against stores.
1652 Use alias-set zero if not.
1653 (visit_reference_op_store): Do not use TBAA when looking up
1655 * tree-ssa-pre.c (compute_avail): Use TBAA here.
1656 (eliminate_dom_walker::before_dom_children): But not when looking
1657 up redundant stores.
1659 2016-02-14 John David Anglin <danglin@gcc.gnu.org>
1661 * config/pa/pa.md (absqi2, absghi2, bswaphi2, bswapsi2, bswapdi2): New.
1663 2016-02-14 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
1665 * config/i386/znver1.md
1666 (znver1_pop, znver1_pop_mem,
1667 znver1_load_imov_double_store,
1668 znver1_load_imov_direct_store,
1669 znver1_load_imov_direct_load,
1670 znver1_load_imov_double_load): Add new.
1671 (znver1_insn, znver1_insn_load): Add icmov type.
1673 znver1_sseavx_fma_load,
1675 znver1_avx256_fma_load): Fix pipe usage.
1677 2016-02-14 Alan Modra <amodra@gmail.com>
1680 * reloads.c (find_reloads_address_1): For pre/post-inc/dec
1681 with an invalid hard reg, reload just the reg not the entire
1682 pre/post-inc/dec address expression.
1684 2016-02-13 Oleg Endo <olegendo@gcc.gnu.org>
1687 * config/sh/sh.md (sibcall_value_pcrel): Replace =&k scratch reg with
1688 fixed R1_REG scratch reg.
1689 (sibcall_value_pcrel_fdpic): Likewise.
1691 2016-02-13 Oleg Endo <olegendo@gcc.gnu.org>
1695 * config/sh/sh.md (*zero_extract_3): New insn_and_split pattern.
1697 2016-02-12 Walter Lee <walt@tilera.com>
1699 * config/tilepro/t-tilepro: Replace CC_FOR_BUILD with CXX_FOR_BUILD.
1700 * config/tilegx/t-tilegx: Likewise.
1702 2016-02-12 David Malcolm <dmalcolm@redhat.com>
1705 * diagnostic-show-locus.c (struct line_span): New struct.
1706 (layout::get_first_line): Delete.
1707 (layout::get_last_line): Delete.
1708 (layout::get_num_line_spans): New member function.
1709 (layout::get_line_span): Likewise.
1710 (layout::print_heading_for_line_span_index_p): Likewise.
1711 (layout::get_expanded_location): Likewise.
1712 (layout::calculate_line_spans): Likewise.
1713 (layout::m_first_line): Delete.
1714 (layout::m_last_line): Delete.
1715 (layout::m_line_spans): New field.
1716 (layout::layout): Update comment. Replace m_first_line and
1717 m_last_line with m_line_spans, replacing their initialization
1718 with a call to calculate_line_spans.
1719 (diagnostic_show_locus): When printing source lines and
1720 annotations, rather than looping over a single span
1721 of lines, instead loop over each line_span within
1722 the layout, with an inner loop over the lines within them.
1723 Call the context's start_span callback when changing line spans.
1724 * diagnostic.c (diagnostic_initialize): Initialize start_span.
1725 (diagnostic_build_prefix): Break out the building of the location
1726 part of the string into...
1727 (diagnostic_get_location_text): ...this new function, rewriting
1728 it from nested ternary expressions to a sequence of "if"
1730 (default_diagnostic_start_span_fn): New function.
1731 * diagnostic.h (diagnostic_start_span_fn): New typedef.
1732 (diagnostic_context::start_span): New field.
1733 (default_diagnostic_start_span_fn): New prototype.
1735 2016-02-12 David Malcolm <dmalcolm@redhat.com>
1738 * gcc.c (driver::finalize): Fix cleanup of "specs".
1740 2016-02-12 David Malcolm <dmalcolm@redhat.com>
1744 * gcc.c (driver::driver): Initialize m_option_suggestions.
1745 (driver::~driver): Clean up m_option_suggestions.
1746 (suggest_option): Convert to...
1747 (driver::suggest_option): ...this, and split out into
1748 driver::build_option_suggestions and find_closest_string.
1749 (driver::build_option_suggestions): New function, from
1750 first half of suggest_option. Special-case
1751 OPT_fsanitize_ and OPT_fsanitize_recover_, making use of
1752 the sanitizer_opts array. For options of enum types, add the
1753 various enum values to the candidate strings.
1754 (driver::handle_unrecognized_options): Remove "const".
1755 * gcc.h (driver::handle_unrecognized_options): Likewise.
1756 (driver::build_option_suggestions): New decl.
1757 (driver::suggest_option): New decl.
1758 (driver::m_option_suggestions): New field.
1759 * opts-common.c (add_misspelling_candidates): New function.
1760 * opts.c (sanitizer_opts): Remove decl of struct sanitizer_opts_s
1761 and make non-static.
1762 * opts.h (sanitizer_opts): New array decl.
1763 (add_misspelling_candidates): New function decl.
1764 * spellcheck.c (find_closest_string): New function.
1765 * spellcheck.h (find_closest_string): New function decl.
1767 2016-02-12 Jakub Jelinek <jakub@redhat.com>
1769 PR rtl-optimization/69764
1770 PR rtl-optimization/69771
1771 * optabs.c (expand_binop_directly): For shift_optab_p, force
1772 convert_modes with VOIDmode if xop1 has VOIDmode.
1774 2016-02-12 Ilya Enkovich <enkovich.gnu@gmail.com>
1777 * lto-streamer-out.c (lto_output): Use thunk.add_pointer_bounds_args
1778 to correctly determine instrumentation thunks.
1780 2016-02-12 Jakub Jelinek <jakub@redhat.com>
1783 * ipa-split.c (split_function): If split part returns TREE_ADDRESSABLE
1784 type by reference, force lhs on the call.
1787 * ipa-split.c (split_function): Don't compute/use main_part_return_p.
1788 Compute retval and retbnd early in all cases if split_part_return_p
1789 and return_bb is not EXIT. Remove all clobber stmts and reset
1790 all debug stmts that refer to SSA_NAMEs defined in split part,
1791 except if it is retval, in that case replace the old retval with the
1792 lhs of the call to the split part.
1794 2016-02-12 Kugan Vivekanandarajah <kuganv@linaro.org>
1797 2016-02-12 Kugan Vivekanandarajah <kuganv@linaro.org>
1800 * tree-ssa-reassoc.c (optimize_range_tests): Handle tcc_compare stmt
1801 whose result is used in PHI.
1802 (maybe_optimize_range_tests): Likewise.
1803 (final_range_test_p): Likweise.
1805 2016-02-12 Kugan Vivekanandarajah <kuganv@linaro.org>
1808 * tree-ssa-reassoc.c (optimize_range_tests): Handle tcc_compare stmt
1809 whose result is used in PHI.
1810 (maybe_optimize_range_tests): Likewise.
1811 (final_range_test_p): Likweise.
1813 2016-02-12 Jakub Jelinek <jakub@redhat.com>
1815 * cgraph.c: Spelling fixes - behaviour -> behavior and
1816 neighbour -> neighbor.
1817 * target.def: Likewise.
1818 * sel-sched.c: Likewise.
1819 * config/mips/mips.c: Likewise.
1820 * config/arc/arc.md: Likewise.
1821 * config/arm/cortex-a57.md: Likewise.
1822 * config/arm/arm.c: Likewise.
1823 * config/arm/neon.md: Likewise.
1824 * config/arm/arm-c.c: Likewise.
1825 * config/vms/vms-c.c: Likewise.
1826 * config/s390/s390.c: Likewise.
1827 * config/i386/znver1.md: Likewise.
1828 * config/i386/i386.c: Likewise.
1829 * config/ia64/hpux-unix2003.h: Likewise.
1830 * config/msp430/msp430.md: Likewise.
1831 * config/rx/rx.c: Likewise.
1832 * config/rx/rx.md: Likewise.
1833 * config/aarch64/aarch64-simd.md: Likewise.
1834 * config/aarch64/aarch64.c: Likewise.
1835 * config/nvptx/nvptx.c: Likewise.
1836 * config/bfin/bfin.c: Likewise.
1837 * config/cris/cris.opt: Likewise.
1838 * config/rs6000/rs6000.c: Likewise.
1839 * target.h: Likewise.
1840 * spellcheck.c: Likewise.
1841 * ira-build.c: Likewise.
1842 * tree-inline.c: Likewise.
1843 * builtins.c: Likewise.
1844 * lra-constraints.c: Likewise.
1845 * explow.c: Likewise.
1846 * hwint.h: Likewise.
1847 * targhooks.c: Likewise.
1848 * tree-vect-data-refs.c: Likewise.
1850 * doc/tm.texi: Likewise.
1851 * doc/extend.texi: Likewise.
1852 * doc/install.texi: Likewise.
1853 * doc/md.texi: Likewise.
1854 * tree-ssa-tail-merge.c: Likewise.
1855 * sched-int.h: Likewise.
1856 * match.pd: Likewise.
1857 * sched-ebb.c: Likewise.
1858 * target.def (omit_struct_return_reg): Likewise.
1859 * gimple-ssa-isolate-paths.c: Likewise.
1860 (find_implicit_erroneous_behaviour): Renamed to...
1861 (find_implicit_erroneous_behavior): ... this.
1862 (find_explicit_erroneous_behaviour): Renamed to...
1863 (find_explicit_erroneous_behavior): ... this.
1864 (gimple_ssa_isolate_erroneous_paths): Adjust caller.
1866 2016-02-11 Segher Boessenkool <segher@kernel.crashing.org>
1868 PR rtl-optimization/64682
1869 PR rtl-optimization/69567
1870 PR rtl-optimization/69737
1871 * combine.c (distribute_notes) <REG_DEAD>: If the register is set
1872 in I2 as well, just lose it.
1874 2016-02-11 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1876 * config/aarch64/aarch64.c (aarch64_last_printed_arch_string):
1878 (aarch64_last_printed_tune_string): Likewise.
1879 (aarch64_declare_function_name): Only output .arch assembler
1880 directive if it will be different from the previously output
1881 directive. Same for .tune comment but only if -dA is set.
1882 (aarch64_start_file): New function.
1883 (TARGET_ASM_FILE_START): Define.
1885 2016-02-11 David Malcolm <dmalcolm@redhat.com>
1888 * Makefile.in (PLUGIN_HEADERS): Add params.list.
1890 2016-02-11 Jakub Jelinek <jakub@redhat.com>
1893 * tree-vect-slp.c (vect_schedule_slp_instance): Avoid
1894 -Wmaybe-uninitialized warning.
1896 2016-02-11 Oleg Endo <olegendo@gcc.gnu.org>
1899 * config/sh/sh.md (casesi_worker_0): Add T_REG use.
1901 2016-02-11 Richard Biener <rguenther@suse.de>
1903 PR rtl-optimization/69291
1904 * ifcvt.c (noce_try_store_flag_constants): Do not allow
1905 subexpressions affected by changing the result.
1907 2016-02-10 Vladimir Makarov <vmakarov@redhat.com>
1910 * lra-constraints.c (curr_insn_transform): Find in/out operands
1911 for secondary memory moves. Update dups.
1913 2016-02-10 Yuri Rumyantsev <ysrumyan@gmail.com>
1915 PR tree-optimization/69652
1916 * tree-vect-loop.c (optimize_mask_stores): Move declaration of STMT1
1917 to nested loop, did source re-formatting, skip debug statements,
1918 add check on statement with volatile operand, remove dead scalar
1921 2016-02-10 Jakub Jelinek <jakub@redhat.com>
1922 Patrick Palka <ppalka@gcc.gnu.org>
1926 * gimplify.c (gimplify_modify_expr): Set lhs even for noreturn
1927 calls if the return type is TREE_ADDRESSABLE.
1928 * cgraphunit.c (cgraph_node::expand_thunk): Likewise.
1929 * ipa-split.c (split_function): Fix doubled "we" in comment.
1930 Use void return type for the split part even if
1931 !split_point->split_part_set_retval.
1933 2016-02-10 Bin Cheng <bin.cheng@arm.com>
1935 PR tree-optimization/68021
1936 * tree-ssa-loop-ivopts.c (get_computation_aff): Set ratio to 1 if
1937 when computing the value of biv cand by itself.
1939 2016-02-10 Wilco Dijkstra <wdijkstr@arm.com>
1941 * config/aarch64/aarch64.c (cortexa53_tunings): Enable AES fusion.
1942 (cortexa57_tunings): Likewise.
1943 (cortexa72_tunings): Likewise.
1944 (arch_macro_fusion_pair_p): Add support for AES fusion.
1945 * config/aarch64/aarch64-fusion-pairs.def: Add AES_AESMC entry.
1946 * config/arm/aarch-common.c (aarch_crypto_can_dual_issue):
1947 Allow virtual registers before reload so early scheduling works.
1948 * config/arm/cortex-a57.md (cortex_a57_crypto_simple): Use
1949 correct latency and pipeline.
1950 (cortex_a57_crypto_complex): Likewise.
1951 (cortex_a57_crypto_xor): Likewise.
1952 (define_bypass): Add AES bypass.
1954 2016-02-10 Richard Biener <rguenther@suse.de>
1956 PR tree-optimization/69726
1957 * passes.def: Add DCE pass before late uninit.
1958 * match.pd: Add A ? B : (!A ? C : X) -> A ? B : C patterns to
1959 really fixup if-conversions job.
1961 2016-02-10 Wilco Dijkstra <wdijkstr@arm.com>
1963 * config/arm/arm.c (arm_cortex_a53_tune): Enable AES fusion.
1964 (arm_cortex_a57_tune): Likewise.
1965 (aarch_macro_fusion_pair_p): Add support for AES fusion.
1966 * config/arm/arm-protos.h (fuse_ops): Add FUSE_AES_AESMC.
1968 2016-02-10 Eric Botcazou <ebotcazou@adacore.com>
1970 * timevar.def (TV_PHASE_DBGINFO): Delete.
1971 (TV_PHASE_CHECK_DBGINFO): Likewise.
1972 * varpool.c (varpool_node::assemble_decl): Do not change timevar.
1974 2016-02-10 Richard Biener <rguenther@suse.de>
1976 PR tree-optimization/69719
1977 * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
1978 Adjust previous fix by ensuring that dr_a1 is left of dr_a2.
1980 2016-02-09 Andrew Pinski <apinski@cavium.com>
1983 * optabs-tree.c (expand_vec_cond_expr_p): Don't early return if
1984 get_vcond_mask_icode returns false.
1986 2016-02-09 Michael Meissner <meissner@linux.vnet.ibm.com>
1989 * config/rs6000/predicates.md (fusion_gpr_addis): Prevent fusing
1990 an ADDIS that adds a pointer to a large constant that sets the
1991 upper16 bits with a load operation.
1993 2016-02-09 Charles Baylis <charles.baylis@linaro.org>
1996 * config/arm/arm.c (arm_evpc_neon_vzip): Allow for big endian lane
1998 * config/arm/arm_neon.h (vzipq_s8): Adjust shuffle patterns for big
2000 (vzipq_s16): Likewise.
2001 (vzipq_s32): Likewise.
2002 (vzipq_f32): Likewise.
2003 (vzipq_u8): Likewise.
2004 (vzipq_u16): Likewise.
2005 (vzipq_u32): Likewise.
2006 (vzipq_p8): Likewise.
2007 (vzipq_p16): Likewise.
2009 2016-02-09 Charles Baylis <charles.baylis@linaro.org>
2012 * config/arm/arm.c (neon_endian_lane_map): New function.
2013 (neon_vector_pair_endian_lane_map): New function.
2014 (arm_evpc_neon_vuzp): Allow for big endian lane order.
2015 * config/arm/arm_neon.h (vuzpq_s8): Adjust shuffle patterns for big
2017 (vuzpq_s16): Likewise.
2018 (vuzpq_s32): Likewise.
2019 (vuzpq_f32): Likewise.
2020 (vuzpq_u8): Likewise.
2021 (vuzpq_u16): Likewise.
2022 (vuzpq_u32): Likewise.
2023 (vuzpq_p8): Likewise.
2024 (vuzpq_p16): Likewise.
2026 2016-02-11 Alexandre Oliva <aoliva@redhat.com>
2029 * regstat.c (regstat_bb_compute_calls_crossed): Disregard
2032 2016-02-09 Uros Bizjak <ubizjak@gmail.com>
2034 * config/i386/i386.md (insv<mode>_1): Use gen_int_mode to
2035 truncate const_int operand 1 to QImode.
2037 2016-02-09 Eric Botcazou <ebotcazou@adacore.com>
2039 * gimple-ssa-backprop.c (optimize_phi): Do not replace an argument
2040 corresponding to an abnormal edge.
2042 2016-02-09 Tom de Vries <tom@codesourcery.com>
2044 PR tree-optimization/69599
2045 * tree-ssa-structalias.c (fndecl_maybe_in_other_partition): New
2047 (find_func_aliases_for_builtin_call, find_func_clobbers)
2048 (ipa_pta_execute): Handle case that foo and foo._0 are not in same lto
2051 2016-02-09 Richard Biener <rguenther@suse.de>
2053 PR tree-optimization/69715
2054 * tree-ssa.c (execute_update_addresses_taken): Mark non-decl
2055 LHS on calls as non-rewritable.
2057 2016-02-09 Tom de Vries <tom@codesourcery.com>
2060 * lto-wrapper.c (append_diag_options): New function.
2061 (compile_offload_image): Call append_diag_options.
2063 2016-02-08 Sandra Loosemore <sandra@codesourcery.com>
2066 * doc/extend.texi (Flag Output Operands): Correct sectioning.
2067 Minor copy-edit to fix verb tenses.
2069 2016-02-08 Jakub Jelinek <jakub@redhat.com>
2071 PR tree-optimization/69209
2072 * ipa-split.c (split_function): If split part is not
2073 returning retval, retval has gimple type but is not
2074 gimple value, force it into a SSA_NAME first.
2076 2016-02-08 Nicklas Bo Jensen <nbjensen@gmail.com>
2078 * doc/tree-ssa.texi (Preserving the virtual SSA form): Remove
2081 2016-02-08 Jason Merrill <jason@redhat.com>
2084 * convert.c (convert_to_integer_1): Check dofold on truncation
2086 (convert_to_pointer_maybe_fold, convert_to_real_maybe_fold)
2087 (convert_to_integer_maybe_fold, convert_to_complex_maybe_fold):
2088 Rename from *_nofold.
2089 * convert.h (convert_to_pointer_nofold, convert_to_integer_nofold)
2090 (convert_to_real_nofold, convert_to_complex_nofold): New inlines.
2092 2016-02-08 Bernd Schmidt <bschmidt@redhat.com>
2095 * tree.c (build_common_tree_nodes): Remove short_double argument.
2096 All callers changed.
2097 * tree.h (build_common_tree_nodes): Adjust declaration.
2098 * doc/invoke.texi (-fshort-double): Remove documentation.
2099 * config/mips/t-img-elf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
2100 MULTILIB_EXCEPTIONS): Remove -fshort-double variant.
2101 * lto-wrapper.c (merge_and_complain, append_compiler_options)
2102 (append_linker_options): Don't handle OPT_fshort_double.
2104 PR rtl-optimization/68730
2105 * lra-remat.c (insn_to_cand_activation): New static variable.
2106 (lra_remat): Allocate and free it.
2107 (create_cand): New arg activation. Initialize a field in
2108 insn_to_cand_activation if it is nonnull.
2109 (create_cands): Pass the activation insn to create_cand when making
2110 a candidate involving an output reload. Reorganize code a little.
2111 (do_remat): Keep track of active status of candidates in a separate
2114 2016-02-08 Richard Biener <rguenther@suse.de>
2116 PR tree-optimization/69719
2117 * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
2118 Properly use absolute of the difference of the two offsets to
2119 compare or adjust the segment length.
2121 2016-02-08 Richard Biener <rguenther@suse.de>
2122 Jeff Law <law@redhat.com>
2125 * tree-ssanames.c (make_ssa_name_fn): Always use unqualified
2126 types for anonymous SSA names.
2128 2016-02-08 Richard Biener <rguenther@suse.de>
2130 PR rtl-optimization/69274
2131 * ira.c (ira_setup_alts): Do not change recog_data.operand order.
2133 2016-02-08 Jeff Law <law@redhat.com>
2135 PR tree-optimization/65917
2136 * tree-ssa-dom.c (record_temporary_equivalences): Record both
2137 equivalences from if (x == y) style conditionals.
2138 (loop_depth_of_name): Remove.
2139 (record_equality): Remove loop depth check.
2140 * tree-ssa-scopedtables.h (const_and_copies): Refine comments.
2141 (const_and_copies::record_const_or_copy_raw): New member function.
2142 * tree-ssa-scopedtables.c
2143 (const_and_copies::record_const_or_copy_raw): New, factored out of
2144 (const_and_copies::record_const_or_copy): Call new member function.
2146 2016-02-05 Jeff Law <law@redhat.com>
2148 PR tree-optimization/68541
2149 * gimple-ssa-split-paths.c: Include tree-cfg.h and params.h.
2150 (count_stmts_in_block): New function.
2151 (poor_ifcvt_candidate_code): Likewise.
2152 (is_feasible_trace): Add some heuristics to determine when path
2153 splitting is profitable.
2154 (find_block_to_duplicate_for_splitting_paths): Make sure the graph
2155 is a diamond with a single exit.
2157 2016-02-05 Martin Sebor <msebor@redhat.com>
2160 * doc/invoke.texi: Update -Wplacement-new to take an optional
2163 2016-02-06 Richard Henderson <rth@redhat.com>
2166 * tree.c (tree_nop_conversion_p): Do not strip casts into or
2167 out of non-standard address spaces.
2169 2016-02-05 Jakub Jelinek <jakub@redhat.com>
2171 PR rtl-optimization/69691
2172 * lra-eliminations.c (move_plus_up): Don't add the addend twice.
2174 2016-02-05 Pat Haugen <pthaugen@us.ibm.com>
2176 * config/rs6000/crypto.md (crypto_vpermxor_<mode>): Correct insn type.
2177 * config/rs6000/rs6000.md (mov<mode>_hardfloat): Likewise.
2178 (*ieee128_mfvsrd_64bit): Likewise.
2179 (*ieee128_mfvsrd_32bit): Likewise.
2181 2016-02-05 Ilya Enkovich <enkovich.gnu@gmail.com>
2185 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
2187 * cgraphunit.c (cgraph_node::reset): Clear thunk info and
2188 instrumented_version.
2190 2016-01-05 Jeremy Bennett <jeremy.bennett@embecosm.com>
2192 * doc/invoke.texi (Optimize Options): In table of --param options
2193 rename second occurrence of tracer-min-branch-ratio to
2194 tracer-min-branch-probability, rename
2195 tracer-min-branch-ratio-feedback to
2196 tracer-min-branch-probability-feedback and clarify description,
2197 rename sched-spec-state-edge-prob-cutoff to
2198 sched-state-edge-prob-cutoff, rename selsched-max-insns-to-rename
2199 to selsched-insns-to-rename, rename lto-minpartition to
2200 lto-min-partition, delete reorder-blocks-duplicate and
2201 reorder-blocks-duplicate-feedback.
2203 2016-02-05 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
2205 * config/s390/s390.c (s390_register_info_set_ranges): Remove
2208 2016-02-05 Dominik Vogt <vogt@linux.vnet.ibm.com>
2210 * doc/extend.texi: S/390: Correct some typos.
2212 2016-02-05 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
2214 * config/s390/s390.c (s390_emit_call): Add missing 64 bit check.
2216 2016-02-05 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
2219 * config/s390/s390.c (SAVE_SLOT_NONE, SAVE_SLOT_STACK): New defines.
2220 (s390_register_info_gprtofpr): Use new macros above.
2221 (s390_register_info_stdarg_fpr): Adjust max_fpr to better match
2223 (s390_register_info_stdarg_gpr): Adjust max_gpr to better match
2224 its name. Adjust restore and save gpr ranges.
2225 (s390_register_info_set_ranges): New function.
2226 (s390_register_info): Use new macros above. Call
2227 s390_register_info_set_ranges.
2228 (s390_optimize_register_info): Likewise.
2229 (s390_hard_regno_rename_ok): Use new macros.
2230 (s390_hard_regno_scratch_ok): Likewise.
2231 (s390_emit_epilogue): Likewise.
2232 (s390_can_use_return_insn): Likewise.
2233 (s390_optimize_prologue): Likewise.
2234 * config/s390/s390.md (GPR2_REGNUM, GPR6_REGNUM): New constants.
2236 2016-02-05 Jakub Jelinek <jakub@redhat.com>
2239 * config/i386/i386.c (convert_scalars_to_vector): Readd stack
2241 (ix86_option_override_internal): Disable TARGET_STV even for
2242 -m{incoming,preferred}-stack-boundary=3.
2244 2016-02-03 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
2246 * config.gcc: Mark deprecated rtems targets as obsolete.
2248 2016-02-04 Segher Boessenkool <segher@kernel.crashing.org>
2250 PR rtl-optimization/64682
2251 PR rtl-optimization/69567
2252 * combine.c (distribute_notes) <REG_DEAD>: Place the death note
2253 before I2 only if the register is both used and set in I2.
2255 2016-02-04 DJ Delorie <dj@redhat.com>
2257 * config/msp430/msp430.c (msp430_start_function): Add function type.
2259 2016-02-04 Jakub Jelinek <jakub@redhat.com>
2262 * tree-dfa.c (get_ref_base_and_extent): Remove unreachable code.
2264 2016-02-04 Uros Bizjak <ubizjak@gmail.com>
2266 PR rtl-optimization/69577
2268 2015-10-29 Richard Henderson <rth@redhat.com>
2272 * config/i386/i386.c (ix86_cannot_change_mode_class): Tighten
2273 sse check to the exact conditions of PR 67609.
2275 2016-02-04 Michael Meissner <meissner@linux.vnet.ibm.com>
2278 * config/rs6000/rs6000.md (mov<mode>_64bit_dm): Use 'd' constraint
2279 instead of 'ws', and 'wh' instead of 'wm' since TFmode/IFmode are
2280 not allowed into the traditional Altivec registers.
2281 (movtd_64bit_nodm): Likewise.
2282 (mov<mode>_32bit, FMOVE128_FPR iterator): Likewise.
2284 2016-02-04 David Malcolm <dmalcolm@redhat.com>
2286 * config/aarch64/cortex-a57-fma-steering.c
2287 (aarch64_register_fma_steering): Remove "static" from arguments
2290 2016-02-04 Wilco Dijkstra <wdijkstr@arm.com>
2293 * ccmp.c (expand_ccmp_expr_1): Avoid evaluating gs0/gs1
2296 2016-02-04 Mike Frysinger <vapier@gentoo.org>
2298 * doc/invoke.texi: Delete -mno-fma4.
2300 2016-02-04 Richard Sandiford <richard.sandiford@arm.com>
2302 PR rtl-optimization/69577
2303 * reginfo.c (record_subregs_of_mode): Add a partial_def parameter.
2304 (find_subregs_of_mode): Update accordingly. Iterate over partial
2307 2016-02-04 Alan Lawrence <alan.lawrence@arm.com>
2309 * config/arm/arm-protos.h (neon_reinterpret): Remove.
2310 * config/arm/arm.c (neon_reinterpret): Remove.
2311 * config/arm/arm_neon_builtins.def (vreinterpretv8qi, vreinterpretv4hi,
2312 vreinterpretv2si, vreinterpretv2sf, vreinterpretdi, vreinterpretv16qi,
2313 vreinterpretv8hi, vreinterpretv4si, vreinterpretv4sf, vreinterpretv2di,
2314 vreinterpretti): Remove.
2315 * config/arm/neon.md (neon_vreinterpretv8qi<mode>,
2316 neon_vreinterpretv4hi<mode>, neon_vreinterpretv2si<mode>,
2317 neon_vreinterpretv2sf<mode>, neon_vreinterpretdi<mode>,
2318 neon_vreinterpretti<mode>, neon_vreinterpretv16qi<mode>,
2319 neon_vreinterpretv8hi<mode>, neon_vreinterpretv4si<mode>,
2320 neon_vreinterpretv4sf<mode>, neon_vreinterpretv2di<mode>): Remove.
2321 * config/arm/arm_neon.h (vreinterpret_p8_p16, vreinterpret_p8_f32,
2322 vreinterpret_p8_p64, vreinterpret_p8_s64, vreinterpret_p8_u64,
2323 vreinterpret_p8_s8, vreinterpret_p8_s16, vreinterpret_p8_s32,
2324 vreinterpret_p8_u8, vreinterpret_p8_u16, vreinterpret_p8_u32,
2325 vreinterpret_p16_p8, vreinterpret_p16_f32, vreinterpret_p16_p64,
2326 vreinterpret_p16_s64, vreinterpret_p16_u64, vreinterpret_p16_s8,
2327 vreinterpret_p16_s16, vreinterpret_p16_s32, vreinterpret_p16_u8,
2328 vreinterpret_p16_u16, vreinterpret_p16_u32, vreinterpret_f32_p8,
2329 vreinterpret_f32_p16, vreinterpret_f32_p64, vreinterpret_f32_s64,
2330 vreinterpret_f32_u64, vreinterpret_f32_s8, vreinterpret_f32_s16,
2331 vreinterpret_f32_s32, vreinterpret_f32_u8, vreinterpret_f32_u16,
2332 vreinterpret_f32_u32, vreinterpret_p64_p8, vreinterpret_p64_p16,
2333 vreinterpret_p64_f32, vreinterpret_p64_s64, vreinterpret_p64_u64,
2334 vreinterpret_p64_s8, vreinterpret_p64_s16, vreinterpret_p64_s32,
2335 vreinterpret_p64_u8, vreinterpret_p64_u16, vreinterpret_p64_u32,
2336 vreinterpret_s64_p8, vreinterpret_s64_p16, vreinterpret_s64_f32,
2337 vreinterpret_s64_p64, vreinterpret_s64_u64, vreinterpret_s64_s8,
2338 vreinterpret_s64_s16, vreinterpret_s64_s32, vreinterpret_s64_u8,
2339 vreinterpret_s64_u16, vreinterpret_s64_u32, vreinterpret_u64_p8,
2340 vreinterpret_u64_p16, vreinterpret_u64_f32, vreinterpret_u64_p64,
2341 vreinterpret_u64_s64, vreinterpret_u64_s8, vreinterpret_u64_s16,
2342 vreinterpret_u64_s32, vreinterpret_u64_u8, vreinterpret_u64_u16,
2343 vreinterpret_u64_u32, vreinterpret_s8_p8, vreinterpret_s8_p16,
2344 vreinterpret_s8_f32, vreinterpret_s8_p64, vreinterpret_s8_s64,
2345 vreinterpret_s8_u64, vreinterpret_s8_s16, vreinterpret_s8_s32,
2346 vreinterpret_s8_u8, vreinterpret_s8_u16, vreinterpret_s8_u32,
2347 vreinterpret_s16_p8, vreinterpret_s16_p16, vreinterpret_s16_f32,
2348 vreinterpret_s16_p64, vreinterpret_s16_s64, vreinterpret_s16_u64,
2349 vreinterpret_s16_s8, vreinterpret_s16_s32, vreinterpret_s16_u8,
2350 vreinterpret_s16_u16, vreinterpret_s16_u32, vreinterpret_s32_p8,
2351 vreinterpret_s32_p16, vreinterpret_s32_f32, vreinterpret_s32_p64,
2352 vreinterpret_s32_s64, vreinterpret_s32_u64, vreinterpret_s32_s8,
2353 vreinterpret_s32_s16, vreinterpret_s32_u8, vreinterpret_s32_u16,
2354 vreinterpret_s32_u32, vreinterpret_u8_p8, vreinterpret_u8_p16,
2355 vreinterpret_u8_f32, vreinterpret_u8_p64, vreinterpret_u8_s64,
2356 vreinterpret_u8_u64, vreinterpret_u8_s8, vreinterpret_u8_s16,
2357 vreinterpret_u8_s32, vreinterpret_u8_u16, vreinterpret_u8_u32,
2358 vreinterpret_u16_p8, vreinterpret_u16_p16, vreinterpret_u16_f32,
2359 vreinterpret_u16_p64, vreinterpret_u16_s64, vreinterpret_u16_u64,
2360 vreinterpret_u16_s8, vreinterpret_u16_s16, vreinterpret_u16_s32,
2361 vreinterpret_u16_u8, vreinterpret_u16_u32, vreinterpret_u32_p8,
2362 vreinterpret_u32_p16, vreinterpret_u32_f32, vreinterpret_u32_p64,
2363 vreinterpret_u32_s64, vreinterpret_u32_u64, vreinterpret_u32_s8,
2364 vreinterpret_u32_s16, vreinterpret_u32_s32, vreinterpret_u32_u8,
2365 vreinterpret_u32_u16, vreinterpretq_p8_p16, vreinterpretq_p8_f32,
2366 vreinterpretq_p8_p64, vreinterpretq_p8_p128, vreinterpretq_p8_s64,
2367 vreinterpretq_p8_u64, vreinterpretq_p8_s8, vreinterpretq_p8_s16,
2368 vreinterpretq_p8_s32, vreinterpretq_p8_u8, vreinterpretq_p8_u16,
2369 vreinterpretq_p8_u32, vreinterpretq_p16_p8, vreinterpretq_p16_f32,
2370 vreinterpretq_p16_p64, vreinterpretq_p16_p128, vreinterpretq_p16_s64,
2371 vreinterpretq_p16_u64, vreinterpretq_p16_s8, vreinterpretq_p16_s16,
2372 vreinterpretq_p16_s32, vreinterpretq_p16_u8, vreinterpretq_p16_u16,
2373 vreinterpretq_p16_u32, vreinterpretq_f32_p8, vreinterpretq_f32_p16,
2374 vreinterpretq_f32_p64, vreinterpretq_f32_p128, vreinterpretq_f32_s64,
2375 vreinterpretq_f32_u64, vreinterpretq_f32_s8, vreinterpretq_f32_s16,
2376 vreinterpretq_f32_s32, vreinterpretq_f32_u8, vreinterpretq_f32_u16,
2377 vreinterpretq_f32_u32, vreinterpretq_p64_p8, vreinterpretq_p64_p16,
2378 vreinterpretq_p64_f32, vreinterpretq_p64_p128, vreinterpretq_p64_s64,
2379 vreinterpretq_p64_u64, vreinterpretq_p64_s8, vreinterpretq_p64_s16,
2380 vreinterpretq_p64_s32, vreinterpretq_p64_u8, vreinterpretq_p64_u16,
2381 vreinterpretq_p64_u32, vreinterpretq_p128_p8, vreinterpretq_p128_p16,
2382 vreinterpretq_p128_f32, vreinterpretq_p128_p64, vreinterpretq_p128_s64,
2383 vreinterpretq_p128_u64, vreinterpretq_p128_s8, vreinterpretq_p128_s16,
2384 vreinterpretq_p128_s32, vreinterpretq_p128_u8, vreinterpretq_p128_u16,
2385 vreinterpretq_p128_u32, vreinterpretq_s64_p8, vreinterpretq_s64_p16,
2386 vreinterpretq_s64_f32, vreinterpretq_s64_p64, vreinterpretq_s64_p128,
2387 vreinterpretq_s64_u64, vreinterpretq_s64_s8, vreinterpretq_s64_s16,
2388 vreinterpretq_s64_s32, vreinterpretq_s64_u8, vreinterpretq_s64_u16,
2389 vreinterpretq_s64_u32, vreinterpretq_u64_p8, vreinterpretq_u64_p16,
2390 vreinterpretq_u64_f32, vreinterpretq_u64_p64, vreinterpretq_u64_p128,
2391 vreinterpretq_u64_s64, vreinterpretq_u64_s8, vreinterpretq_u64_s16,
2392 vreinterpretq_u64_s32, vreinterpretq_u64_u8, vreinterpretq_u64_u16,
2393 vreinterpretq_u64_u32, vreinterpretq_s8_p8, vreinterpretq_s8_p16,
2394 vreinterpretq_s8_f32, vreinterpretq_s8_p64, vreinterpretq_s8_p128,
2395 vreinterpretq_s8_s64, vreinterpretq_s8_u64, vreinterpretq_s8_s16,
2396 vreinterpretq_s8_s32, vreinterpretq_s8_u8, vreinterpretq_s8_u16,
2397 vreinterpretq_s8_u32, vreinterpretq_s16_p8, vreinterpretq_s16_p16,
2398 vreinterpretq_s16_f32, vreinterpretq_s16_p64, vreinterpretq_s16_p128,
2399 vreinterpretq_s16_s64, vreinterpretq_s16_u64, vreinterpretq_s16_s8,
2400 vreinterpretq_s16_s32, vreinterpretq_s16_u8, vreinterpretq_s16_u16,
2401 vreinterpretq_s16_u32, vreinterpretq_s32_p8, vreinterpretq_s32_p16,
2402 vreinterpretq_s32_f16, vreinterpretq_s32_f32, vreinterpretq_s32_p64,
2403 vreinterpretq_s32_p128, vreinterpretq_s32_s64, vreinterpretq_s32_u64,
2404 vreinterpretq_s32_s8, vreinterpretq_s32_s16, vreinterpretq_s32_u8,
2405 vreinterpretq_s32_u16, vreinterpretq_s32_u32, vreinterpretq_u8_p8,
2406 vreinterpretq_u8_p16, vreinterpretq_u8_f32, vreinterpretq_u8_p64,
2407 vreinterpretq_u8_p128, vreinterpretq_u8_s64, vreinterpretq_u8_u64,
2408 vreinterpretq_u8_s8, vreinterpretq_u8_s16, vreinterpretq_u8_s32,
2409 vreinterpretq_u8_u16, vreinterpretq_u8_u32, vreinterpretq_u16_p8,
2410 vreinterpretq_u16_p16, vreinterpretq_u16_f32, vreinterpretq_u16_p64,
2411 vreinterpretq_u16_p128, vreinterpretq_u16_s64, vreinterpretq_u16_u64,
2412 vreinterpretq_u16_s8, vreinterpretq_u16_s16, vreinterpretq_u16_s32,
2413 vreinterpretq_u16_u8, vreinterpretq_u16_u32, vreinterpretq_u32_p8,
2414 vreinterpretq_u32_p16, vreinterpretq_u32_f32, vreinterpretq_u32_p64,
2415 vreinterpretq_u32_p128, vreinterpretq_u32_s64, vreinterpretq_u32_u64,
2416 vreinterpretq_u32_s8, vreinterpretq_u32_s16, vreinterpretq_u32_s32,
2417 vreinterpretq_u32_u8, vreinterpretq_u32_u16): Rewrite using casts.
2419 2016-02-04 Martin Liska <mliska@suse.cz>
2422 * asan.c (has_stmt_been_instrumented_p): Instrument gimple calls
2423 that are gimple_store_p.
2424 (maybe_instrument_call): Likewise.
2426 2016-02-04 Bin Cheng <bin.cheng@arm.com>
2428 * config/aarch64/aarch64.c (aarch64_legitimize_address): Force
2429 register scaling out of memory reference and comment why.
2431 2016-02-04 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
2435 * cse.c (cse_insn): Pass NULL to fold_rtx when initially
2436 folding the source of a SET.
2438 2016-02-04 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
2442 * config/arm/arm.c (arm_new_rtx_costs, MULT case): Properly extract
2443 the operands of the SIGN_EXTENDs from a SMUL[TB][TB] rtx.
2445 2016-02-04 Jim Wilson <jim.wilson@linaro.org>
2449 * config/arm/arm.h (PROMOTE_MODE): Don't set UNSIGNEDP for QImode and
2452 2016-02-04 Christian Bruel <christian.bruel@st.com>
2454 * config/arm/arm-c.c (arm_reset_previous_fndecl): Style fix and typo.
2455 * config/arm/arm.c (arm_set_current_function): Likewise.
2457 2016-02-04 Jakub Jelinek <jakub@redhat.com>
2458 Ilya Enkovich <enkovich.gnu@gmail.com>
2459 H.J. Lu <hongjiu.lu@intel.com>
2462 * config/i386/i386.c (convert_scalars_to_vector): Remove
2463 stack alignment fixes.
2464 (ix86_option_override_internal): Disable TARGET_STV if stack
2465 might not be aligned enough.
2466 (ix86_minimum_alignment): Assert that TARGET_STV is false.
2468 2016-02-04 Victoria Stepanyan <victoria.stepanyan@amd.com>
2470 * gcc/config/i386/x86-tune.def: Disable default prefetching
2473 2016-02-03 Michael Meissner <meissner@linux.vnet.ibm.com>
2474 Vladimir Makarov <vmakarov@redhat.com>
2477 * config/rs6000/rs6000.c (rs6000_legitimate_address_p): Fix thinko
2478 in validating fused toc addresses.
2480 2016-02-03 Jakub Jelinek <jakub@redhat.com>
2483 * diagnostic-show-locus.c (layout::get_state_at_point): Don't read
2484 range->m_caret fields if range->m_show_caret_p is false.
2487 * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap):
2488 Force oldval into register if it does not satisfy reg_or_short_operand
2489 predicate. Fix up formatting.
2491 2016-02-03 Vladimir Makarov <vmakarov@redhat.com>
2492 Alexandre Oliva <aoliva@redhat.com>
2495 * lra-constraints.c (simplify_operand_subreg): Check additionally
2496 address validity after potential reloading.
2497 (process_address_1): Check insns validity. In case of failure do
2500 2016-02-03 Kirill Yukhin <kirill.yukhin@intel.com>
2503 * config/i386/sse.md (define_insn "avx512f_maskcmp<mode>3"):
2506 2016-02-02 Jakub Jelinek <jakub@redhat.com>
2508 * wide-int.cc (canonize_uhwi): New function.
2509 (wi::divmod_internal): Use it.
2511 2016-02-02 James Norris <jnorris@codesourcery.com
2513 * gimplify.c (omp_notice_variable): Add usage check.
2515 2016-02-02 Alexander Monakov <amonakov@ispras.ru>
2517 * config/nvptx/nvptx.c (nvptx_print_operand): Treat LEU, GEU, LTU, GTU
2518 like LE, GE, LT, GT when emitting relational operator.
2520 2016-02-02 Wilco Dijkstra <wdijkstr@arm.com>
2522 * ira-costs.c (find_costs_and_classes): Add extra argument.
2523 * target.def (ira_change_pseudo_allocno_class): Add parameter.
2524 * targhooks.h (ira_change_pseudo_allocno_class): Likewise.
2525 * targhooks.c (ira_change_pseudo_allocno_class): Likewise.
2526 * config/aarch64/aarch64.c (aarch64_ira_change_pseudo_allocno_class)
2527 Add best_class parameter, and return it if not ALL_REGS.
2528 * config/mips/mips.c (mips_ira_change_pseudo_allocno_class):
2530 * doc/tm.texi (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS):
2533 2016-02-02 Wilco Dijkstra <wdijkstr@arm.com>
2535 * config/aarch64/aarch64.c
2536 (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS): New define.
2537 (aarch64_ira_change_pseudo_allocno_class): New function.
2539 2016-02-02 Uros Bizjak <ubizjak@gmail.com>
2542 * config/i386/i386.c (geode_cost): Increase cost of MMX and SSE moves.
2544 2016-02-02 Senthil Kumar Selvaraj <senthil_kumar.selvaraj@atmel.com>
2546 * config/avr/avr.c (avr_option_override): Set
2547 PARAM_ALLOW_STORE_DATA_RACES to 1.
2549 2016-02-02 Richard Biener <rguenther@suse.de>
2551 PR tree-optimization/69595
2552 * match.pd: Add range test simplifications to true/false.
2554 2016-02-02 Thomas Schwinge <thomas@codesourcery.com>
2556 * omp-builtins.def (BUILT_IN_GOACC_HOST_DATA): Remove.
2557 * omp-low.c (expand_omp_target): Use BUILT_IN_GOACC_DATA_START
2560 2016-02-02 Richard Biener <rguenther@suse.de>
2562 PR tree-optimization/69606
2563 * tree-ssa-math-opts.c (bswap_replace): Clear flow sensitive
2564 info on the result before moving a stmt.
2566 2016-02-02 Yuri Rumyantsev <ysrumyan@gmail.com>
2569 * config/i386/i386.c (ix86_expand_branch): Add support for conditional
2570 branch with vector comparison.
2571 * config/i386/sse.md (VI48_AVX): New mode iterator.
2572 (define_expand "cbranch<mode>4): Add support for conditional branch
2573 with vector comparison.
2574 * tree-vect-loop.c (optimize_mask_stores): New function.
2575 * tree-vect-stmts.c (vectorizable_mask_load_store): Initialize
2576 has_mask_store field of vect_info.
2577 * tree-vectorizer.c (vectorize_loops): Invoke optimaze_mask_stores for
2578 vectorized loops having masked stores after vec_info destroy.
2579 * tree-vectorizer.h (loop_vec_info): Add new has_mask_store field and
2580 correspondent macros.
2581 (optimize_mask_stores): Add prototype.
2583 2016-02-02 Alan Modra <amodra@gmail.com>
2586 * config/rs6000/predicates.md (quad_int_reg_operand): Don't
2589 2016-02-02 Alan Modra <amodra@gmail.com>
2592 * config/rs6000/rs6000.c (need_toc_init): New var, set it
2593 whenever toc_label_name used.
2594 (rs6000_file_start): Don't set up toc section here,
2595 (rs6000_output_function_epilogue): do so here instead,
2596 (rs6000_xcoff_file_start): and here.
2597 * config/rs6000/rs6000.md (load_toc_aix_si): Set need_toc_init.
2598 (load_toc_aix_di): Likewise.
2600 2016-02-01 Jakub Jelinek <jakub@redhat.com>
2602 PR rtl-optimization/69592
2603 * rtlanal.c (nonzero_bits_binary_arith_p): New inline function.
2604 (cached_nonzero_bits): Use it instead of ARITHMETIC_P.
2605 (num_sign_bit_copies_binary_arith_p): New inline function.
2606 (cached_num_sign_bit_copies): Use it instead of ARITHMETIC_P.
2608 2016-02-01 Jeff Law <law@redhat.com>
2610 PR tree-optimization/69580
2611 * params.def (FSM_MAXIMUM_PHI_ARGUMENTS): New param.
2612 * tree-ssa-threadbackward.c
2613 (fsm_find_control_statement_thread_paths): Do not try to walk
2614 through large PHI nodes.
2616 2016-02-01 Jakub Jelinek <jakub@redhat.com>
2618 * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Return false
2619 when count is incremented above limit, don't analyze further
2622 * omp-low.c (oacc_parse_default_dims): Avoid
2623 -Wsign-compare warning, make sure value fits into int
2624 rather than just unsigned int.
2626 2016-02-01 Bin Cheng <bin.cheng@arm.com>
2628 PR tree-optimization/67921
2629 * fold-const.c (split_tree): New parameters. Convert pointer
2630 type variable part to proper type before negating.
2631 (fold_binary_loc): Pass new arguments to split_tree.
2633 2016-02-01 Nathan Sidwell <nathan@codesourcery.com>
2635 * config/nvptx/nvptx.c (PTX_GANG_DEFAULT): New.
2636 (nvptx_goacc_validate_dims): Extend to handle global defaults.
2637 * target.def (OACC_VALIDATE_DIMS): Extend documentation.
2638 * doc/tm.texti: Rebuilt.
2639 * doc/invoke.texi (fopenacc-dim): Document.
2640 * lto-wrapper.c (merge_and_complain): Add OPT_fopenacc_dim_ case.
2641 (append_compiler_options): Likewise.
2642 * omp-low.c (oacc_default_dims, oacc_min_dims): New.
2643 (oacc_parse_default_dims): New.
2644 (oacc_validate_dims): Add USED arg. Select non-unity default when
2646 (oacc_loop_fixed_partitions): Return mask of used partitions.
2647 (oacc_loop_auto_partitions): Emit dump info.
2648 (oacc_loop_partition): Return mask of used partitions.
2649 (execute_oacc_device_lower): Parse default dimension arg. Adjust
2650 loop partitioning and validation calls.
2652 2016-02-01 Richard Biener <rguenther@suse.de>
2655 * match.pd: Guard (C1/X)*C2 -> (C1*C2)/X with single_use.
2657 2016-02-01 Richard Biener <rguenther@suse.de>
2659 PR tree-optimization/69574
2660 * tree-chrec.c (hide_evolution_in_other_loops_than_loop): Instead
2661 of asserting return chrec_dont_know.
2663 2016-02-01 Martin Liska <mliska@suse.cz>
2665 * mem-stats-traits.h: Add copyright header.
2666 * mem-stats.h: Likewise.
2668 2016-02-01 Richard Biener <rguenther@suse.de>
2670 PR tree-optimization/69579
2671 * tree-ssa-loop-ivcanon.c (propagate_constants_for_unrolling):
2672 Do not propagate through abnormal PHI results.
2674 2016-02-01 Eric Botcazou <ebotcazou@adacore.com>
2676 * postreload.c (reload_cse_simplify): Remove dead code.
2678 2016-02-01 Jakub Jelinek <jakub@redhat.com>
2680 PR rtl-optimization/69570
2681 * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Return true only
2682 if there is more than one set, not if there is a single set.
2684 2016-02-01 Richard Henderson <rth@redhat.com>
2687 * combine.c (make_compound_operation): When looking through a
2688 subreg, make sure to re-extend to the width of the outer mode.
2690 2016-01-30 Jakub Jelinek <jakub@redhat.com>
2692 PR tree-optimization/69546
2693 * wide-int.cc (wi::divmod_internal): For unsigned division
2694 where both operands fit into uhwi, if o1 is 1 and o0 has
2695 msb set, if divident_prec is larger than bits per hwi,
2696 clear another quotient word and return 2 instead of 1.
2697 Similarly for remainder with msb in HWI set, if dividend_prec
2698 is larger than bits per hwi.
2700 2016-01-29 Martin Jambor <mjambor@suse.cz>
2702 * hsa-gen.c (get_memory_order_name): Mask with MEMMODEL_BASE_MASK.
2703 Use short lowercase names.
2704 (get_memory_order): Mask with MEMMODEL_BASE_MASK. Support
2705 MEMMODEL_CONSUME with acquire semantics and MEMMODEL_SEQ_CST with
2706 acq_rel one. Protect warning agains segfaults if
2707 get_memory_order_name returns NULL.
2708 (gen_hsa_ternary_atomic_for_builtin): Support with MEMMODEL_SEQ_CST
2709 with release semantics. Do not warn if get_memory_order already did.
2710 (gen_hsa_insns_for_call): Support with MEMMODEL_SEQ_CST with acquire
2711 semantics. Fix check for relaxed or acquire semantics. Do not warn
2712 if get_memory_order already did.
2714 2016-01-29 Sebastian Pop <s.pop@samsung.com>
2716 * doc/install.texi: Document that isl-0.16 is supported.
2718 2016-01-29 Vladimir Makarov <vmakarov@redhat.com>
2721 * config/i386/constraints.md (Bm): Describe as special memory
2723 * doc/md.texi (DEFINE_SPECIAL_MEMORY_CONSTRAINT): Describe it.
2724 * genoutput.c (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
2725 * genpreds.c (struct constraint_data): Add is_special_memory.
2726 (have_special_memory_constraints, special_memory_start): New
2728 (special_memory_end): Ditto.
2729 (add_constraint): Add new arg is_special_memory. Add code to
2730 process its true value. Update have_special_memory_constraints.
2731 (process_define_constraint): Pass the new arg.
2732 (process_define_register_constraint): Ditto.
2733 (choose_enum_order): Process special memory.
2734 (write_tm_preds_h): Generate enum const CT_SPECIAL_MEMORY and
2735 function insn_extra_special_memory_constraint.
2736 (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
2737 * gensupport.c (process_rtx): Process
2738 DEFINE_SPECIAL_MEMORY_CONSTRAINT.
2739 * ira-costs.c (record_reg_classes): Process CT_SPECIAL_MEMORY.
2740 * ira-lives.c (single_reg_class): Use
2741 insn_extra_special_memory_constraint.
2742 * ira.c (ira_setup_alts): Process CT_SPECIAL_MEMORY.
2743 * lra-constraints.c (process_alt_operands): Ditto.
2744 (curr_insn_transform): Use insn_extra_special_memory_constraint.
2745 * recog.c (asm_operand_ok, preprocess_constraints): Process
2747 * reload.c (find_reloads): Ditto.
2748 * rtl.def (DEFINE_SPECIFAL_MEMORY_CONSTRAINT): New.
2749 * stmt.c (parse_input_constraint): Use
2750 insn_extra_special_memory_constraint.
2752 2016-01-29 H.J. Lu <hongjiu.lu@intel.com>
2755 * lra-splill.c (lra_final_code_change): Revert r229087 by
2756 removing all sub-registers.
2758 2016-01-29 Steve Ellcey <sellcey@imgtec.com>
2761 * config/mips/mips.c (mips_output_division): Check flag_delayed_branch.
2763 2016-01-29 Jakub Jelinek <jakub@redhat.com>
2766 * config/i386/i386.c (ix86_expand_vector_set) <case V4SImode>: For
2767 SSE1, copy target into the temporary reg first before recursing
2770 2016-01-29 H.J. Lu <hongjiu.lu@intel.com>
2772 * config/i386/sse.md (sse2_cvtps2pd<mask_name>): Replace vBm
2775 2016-01-29 Jonathan Wakely <jwakely@redhat.com>
2777 * ginclude/stdarg.h: Test __cplusplus instead of
2778 __GXX_EXPERIMENTAL_CXX0X__.
2780 2016-01-29 Richard Biener <rguenther@suse.de>
2782 PR tree-optimization/69547
2783 * tree-ssa-dce.c (mark_aliased_reaching_defs_necessary_1):
2784 Do not mark clobbers necessary.
2785 (mark_all_reaching_defs_necessary_1): Likewise.
2787 2016-01-29 Dominik Vogt <vogt@linux.vnet.ibm.com>
2789 * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Format
2790 declaration name with %qs and print it in both error messages.
2791 Also fix indentation.
2793 2016-01-29 Dominik Vogt <vogt@linux.vnet.ibm.com>
2796 * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Remove
2797 trailing blank line from error message.
2799 2016-01-29 Jonathan Wakely <jwakely@redhat.com>
2802 * ginclude/float.h: Also provide FLT_EVAL_METHOD and DECIMAL_DIG
2805 2016-01-29 Richard Biener <rguenther@suse.de>
2808 * match.pd: Allow all integral types when simplifying a
2809 widening or sign-changing conversion.
2811 2016-01-28 Sebastian Pop <s.pop@samsung.com>
2813 * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Revert assert
2814 back to setting codegen_error to fail codegen.
2816 2016-01-28 Uros Bizjak <ubizjak@gmail.com>
2819 * config/i386/constraints.md (C): Only accept constant zero operand.
2820 (BC): New constraint.
2821 * config/i386/sse.md (*mov<mode>_internal): Use BC constraint
2822 instead of C constraint.
2823 * doc/md.texi (Machine Constraints): Update description
2826 2016-01-28 Steve Ellcey <sellcey@imgtec.com>
2829 * config/mips/mips.c (and_operands_ok): Add MIPS16 check.
2831 2016-01-28 Jakub Jelinek <jakub@redhat.com>
2834 * lra-remat.c (calculate_local_reg_remat_bb_data): Only consider
2837 2016-01-28 Pat Haugen <pthaugen@us.ibm.com>
2839 * config/rs6000/rs6000.c (output_cbranch): Don't statically predict
2840 branches if using guessed profile.
2842 2016-01-28 H.J. Lu <hongjiu.lu@intel.com>
2844 * graphite-optimize-isl.c (optimize_isl): Fix dump.
2846 2016-01-28 Richard Henderson <rth@redhat.com>
2849 * config/aarch64/aarch64-modes.def (CC_Cmode): New
2850 * config/aarch64/aarch64-protos.h: Update.
2851 * config/aarch64/aarch64.c (aarch64_zero_extend_const_eq): New.
2852 (aarch64_select_cc_mode): Add check for use of CC_Cmode.
2853 (aarch64_get_condition_code_1): Handle CC_Cmode.
2854 * config/aarch64/aarch64.md (addti3): Use adddi3_compareC.
2855 (*add<mode>3_compareC_cconly_imm): New.
2856 (*add<mode>3_compareC_cconly): New.
2857 (*add<mode>3_compareC_imm): New.
2858 (add<mode>3_compareC): New.
2859 (add<mode>3_carryin, *addsi3_carryin_uxtw): Sort compare operand
2860 to be first. Use aarch64_carry_operation.
2861 (*add<mode>3_carryin_alt1, *addsi3_carryin_alt1_uxtw): Remove.
2862 (*add<mode>3_carryin_alt2, *addsi3_carryin_alt2_uxtw): Remove.
2863 (*add<mode>3_carryin_alt3, *addsi3_carryin_alt3_uxtw): Remove.
2864 (subti3): Use subdi3_compare1.
2865 (*sub<mode>3_compare0): Rename from sub<mode>3_compare0.
2866 (sub<mode>3_compare1): New.
2867 (*sub<mode>3_carryin0, *subsi3_carryin_uxtw): New.
2868 (*sub<mode>3_carryin): Use aarch64_borrow_operation.
2869 (*subsi3_carryin_uxtw): Likewise.
2870 (*ngc<mode>, *ngcsi_uxtw): Likewise.
2871 (*sub<mode>3_carryin_alt, *subsi3_carryin_alt_uxtw): New.
2872 * config/aarch64/iterators.md (DWI): New.
2873 * config/aarch64/predicates.md (aarch64_carry_operation): New.
2874 (aarch64_borrow_operation): New.
2876 2016-01-28 Abderrazek Zaafrani <a.zaafrani@samsung.com>
2878 * graphite-optimize-isl.c (optimize_isl): Print a different debug
2879 message when isl does not return a valid schedule.
2881 2016-01-28 Sebastian Pop <s.pop@samsung.com>
2883 * graphite-isl-ast-to-gimple.c (class translate_isl_ast_to_gimple):
2884 Remove comments from class declarations: they are already in the code
2887 2016-01-28 Sebastian Pop <s.pop@samsung.com>
2889 * graphite-isl-ast-to-gimple.c (binary_op_to_tree): Call
2891 (ternary_op_to_tree): Same.
2892 (unary_op_to_tree): Same.
2893 (nary_op_to_tree): Same.
2894 (gcc_expression_from_isl_expr_op): Same.
2895 (gcc_expression_from_isl_expression): Same.
2896 (graphite_create_new_loop): Same.
2897 (graphite_create_new_loop_guard): Same.
2898 (build_iv_mapping): Same.
2899 (graphite_create_new_guard): Same.
2900 (translate_isl_ast_to_gimple::copy_loop_phi_nodes): Same.
2901 (translate_isl_ast_to_gimple::translate_pending_phi_nodes): Same.
2903 2016-01-28 Sebastian Pop <s.pop@samsung.com>
2905 * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Assert
2906 instead of setting codegen_error to fail codegen.
2908 2016-01-28 Jason Merrill <jason@redhat.com>
2910 * tree.h (BINFO_FLAG_0): Rename from BINFO_MARKED.
2912 2016-01-28 Wilco Dijkstra <wdijkstr@arm.com>
2914 * config/aarch64/aarch64.c (aarch64_if_then_else_costs):
2915 Remove CONST_INT_P check in CCMP cost calculation.
2917 2016-01-28 Wilco Dijkstra <wdijkstr@arm.com>
2919 * config/aarch64/aarch64.c (generic_vector_cost):
2920 Set vec_permute_cost.
2921 (cortexa57_vector_cost): Likewise.
2922 (exynosm1_vector_cost): Likewise.
2923 (xgene1_vector_cost): Likewise.
2924 (aarch64_builtin_vectorization_cost): Use vec_permute_cost.
2925 * config/aarch64/aarch64-protos.h (cpu_vector_cost):
2926 Add vec_permute_cost entry.
2928 2016-01-28 Wilco Dijkstra <wdijkstr@arm.com>
2930 * config/aarch64/aarch64.md (ccmp<mode>): Disassemble
2932 (add<mode>3_compare0): Likewise.
2933 (addsi3_compare0_uxtw): Likewise.
2934 (add<mode>3nr_compare0): Likewise.
2935 (compare_neg<mode>): Likewise.
2936 (<optab><mode>3): Likewise.
2938 2016-01-28 Ilya Enkovich <enkovich.gnu@gmail.com>
2940 * tree-vect-stmts.c (vectorizable_comparison): Add
2941 NULL check for vectype.
2943 2016-01-28 Richard Biener <rguenther@suse.de>
2945 PR tree-optimization/69466
2946 * tree-vect-loop-manip.c (slpeel_duplicate_current_defs_from_edges):
2947 Account for PHIs we couldn't duplicate.
2949 2016-01-28 Martin Liska <mliska@suse.cz>
2952 * ggc-common.c (gt_pch_save): Use ENABLE_VALGRIND_ANNOTATIONS macro
2953 instead of ENABLE_VALGRIND_CHECKING.
2955 2016-01-27 Richard Henderson <rth@redhat.com>
2958 * lra-remat.c (subreg_regs): New.
2959 (dump_candidates_and_remat_bb_data): Dump it.
2960 (operand_to_remat): Reject if operand in subreg_regs.
2961 (set_bb_regs): Collect subreg_regs.
2962 (lra_remat): Init and free subreg_regs. Compute
2963 calculate_local_reg_remat_bb_data before create_cands.
2965 2016-01-27 H.J. Lu <hongjiu.lu@intel.com>
2968 * config/i386/i386.c (ix86_update_stack_boundary): Don't
2969 change stack_alignment_needed for __tls_get_addr call.
2971 2016-01-27 Segher Boessenkool <segher@kernel.crashing.org>
2973 * config/rs6000/rs6000.c (print_operand): Rollback 's' removal.
2975 2016-01-27 Jeff Law <law@redhat.com>
2977 PR tree-optimization/68398
2978 PR tree-optimization/69196
2979 * params.def (PARAM_FSM_SCALE_PATH_STMTS): New parameter.
2980 (PARAM_FSM_SCALE_PATH_BLOCKS): Likewise.
2981 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
2982 Only count PHIs in the last block in the path. The others will
2983 const/copy propagate away. Add heuristic to allow more irreducible
2984 subloops to be created when it is likely profitable to do so.
2986 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
2987 Fix typo in comment. Use gsi_after_labels and remove the GIMPLE_LABEL
2988 check from within the loop. Use gsi_next_nondebug rather than gsi_next.
2990 2016-01-27 Jakub Jelinek <jakub@redhat.com>
2993 * sanitizer.def: Add BEGIN_SANITIZER_BUILTINS and
2994 END_SANITIZER_BUILTINS markers using DEF_BUILTIN_STUB.
2995 * asan.c (DEF_BUILTIN_STUB): Temporarily define.
2996 * tree-streamer-in.c: Include asan.h.
2997 (streamer_get_builtin_tree): For builtins in sanitizer
2998 range call initialize_sanitizer_builtins and retry.
3000 2016-01-27 Ian Lance Taylor <iant@google.com>
3002 * common.opt (fkeep-gc-roots-live): New undocumented option.
3003 * tree-ssa-loop-ivopts.c (add_candidate_1): If
3004 -fkeep-gc-roots-live, skip pointers.
3005 (add_iv_candidate_for_biv): Handle add_candidate_1 returning
3008 2016-01-27 Uros Bizjak <ubizjak@gmail.com>
3011 * config/i386/i386.md (*zext<mode>_doubleword_and): New pattern.
3012 (*zext<mode>_doubleword): Disable for TARGET_ZERO_EXTEND_WITH_AND.
3014 2016-01-27 Thomas Klausner <wiz@NetBSD.org>
3017 * configure.ac: NetBSD provides SSP in its C library.
3018 * configure: Updated.
3020 2016-01-27 Richard Biener <rguenther@suse.de>
3022 PR tree-optimization/69166
3023 * tree-vect-loop.c (vect_is_simple_reduction): Always check
3024 reduction code for commutativity / associativity.
3026 2016-01-27 Martin Jambor <mjambor@suse.cz>
3028 PR tree-optimization/69355
3029 * tree-sra.c (analyze_access_subtree): Correct hole detection when
3030 total_scalarization fails.
3032 2016-01-27 David Edelsohn <dje.gcc@gmail.com>
3034 * config/rs6000/driver-rs6000.c (detect_processor_aix): Add
3037 2016-01-27 Christian Bruel <christian.bruel@st.com>
3040 * config/arm/arm-c.c (arm_pragma_target_parse): Add comments.
3041 Move arm_reset_previous_fndecl and set_target_option_current_node in
3042 the conditional part. Call save_restore_target_globals.
3043 * config/arm/arm.c (arm_set_current_function):
3044 Refactor to better support #pragma target and attribute mix.
3045 Call save_restore_target_globals.
3046 * config/arm/arm-protos.h (save_restore_target_globals): New function.
3048 2016-01-27 Martin Liska <mliska@suse.cz>
3050 * hsa.c (hsa_summary_t::link_functions): Create IPA_REF_ADDR
3051 reference for an HSA kernel and its host function.
3053 2016-01-27 Jakub Jelinek <jakub@redhat.com>
3055 PR tree-optimization/69399
3056 * wide-int.h (wi::lrshift): For larger precisions, only
3057 use fast path if shift is known to be < HOST_BITS_PER_WIDE_INT.
3059 2016-01-27 Claudiu Zissulescu <claziss@synopsys.com>
3061 * config/arc/predicates.md (proper_comparison_operator): Reject
3062 constant-constant comparison.
3064 2016-01-26 Tom de Vries <tom@codesourcery.com>
3066 PR tree-optimization/69110
3067 * tree-data-ref.c (initialize_data_dependence_relation): Handle
3068 DR_NUM_DIMENSIONS == 0.
3070 2016-01-26 Abderrazek Zaafrani <a.zaafrani@samsung.com>
3071 Sebastian Pop <s.pop@samsung.com>
3073 * graphite-isl-ast-to-gimple.c (ternary_op_to_tree): Handle
3074 isl_ast_op_cond and isl_ast_op_select.
3075 (gcc_expression_from_isl_expr_op): Same.
3077 2016-01-26 Jason Merrill <jason@redhat.com>
3080 * tree.c (recompute_constructor_flags): Split out from
3082 (verify_constructor_flags): New.
3083 * tree.h: Declare them.
3085 2016-01-26 Iain Buclaw <ibuclaw@gdcproject.org>
3087 PR rtl-optimization/69217
3088 * var-tracking.c (tracked_record_parameter_p): Don't segfault if there
3089 are no TYPE_FIELDS set for the record type.
3091 2016-01-26 Jakub Jelinek <jakub@redhat.com>
3094 * config/rs6000/rs6000.c (rs6000_option_override_internal): Initialize
3095 toc_label_name unconditionally.
3096 (rs6000_emit_load_toc_table): Call ggc_strdup on toc_label_name for
3097 SYMBOL_REF string. Use toc_label_name instead of constructing
3099 (rs6000_elf_declare_function_name): Use toc_label_name instead of
3100 constructing LCTOC1.
3102 2016-01-26 Martin Sebor <msebor@redhat.com>
3105 * doc/extend.texi (Common Type Attributes): Move text that talks about
3106 attribute packed from attribute aligned to the section discussing
3107 the former attribute for clarity.
3109 2016-01-26 Richard Henderson <rth@redhat.com>
3112 * trans-mem.c (tm_region_init): Mark entry block as visited.
3114 2016-01-26 David Malcolm <dmalcolm@redhat.com>
3117 * diagnostic-show-locus.c (layout::print_source_line): Replace
3118 call to pp_newline with call to layout::print_newline.
3119 (layout::print_annotation_line): Likewise.
3120 (layout::move_to_column): Likewise.
3121 (layout::print_any_fixits): After printing any fixits, print a
3122 trailing newline, if necessary.
3123 (layout::print_newline): New method, resetting any colorization
3125 (diagnostic_show_locus): Move the pp_newline to before the
3126 early bailout. Remove dummy block enclosing the layout instance.
3127 * diagnostic.c (default_diagnostic_finalizer): Replace invocation
3128 of pp_newline_and_flush with pp_flush.
3129 (diagnostic_append_note): Delete use of pp_newline.
3130 (diagnostic_append_note_at_rich_loc): Delete.
3131 * diagnostic.h (diagnostic_append_note_at_rich_loc): Delete.
3132 * pretty-print.h (output_buffer_append_r): Reset buff->line_length
3133 when newline characters are added to the buffer.
3135 2016-01-26 Michael Matz <matz@suse.de>
3137 * configure.ac (ac_cv_std_swap_in_utility): New test.
3138 * system.h (<algorithm>): Check HAVE_SWAP_IN_UTILITY as well.
3139 * configure: Regenerate.
3140 * config.in: Regenerate.
3142 2016-01-26 Claudiu Zissulescu <claziss@synopsys.com>
3144 * config/arc/arc.md (cstoresi4): Force operand into register.
3145 (arcset<code>): Fix predicate.
3146 (arcsetltu): Likewise.
3147 (arcsetgeu): Likewise.
3148 (arcsethi): Likewise.
3149 (arcsetls): Likewise.
3151 2016-01-26 Jakub Jelinek <jakub@redhat.com>
3153 PR tree-optimization/69483
3154 * gimple-fold.c (canonicalize_constructor_val): Return NULL
3155 if base has error_mark_node type.
3157 2016-01-26 Christophe Lyon <christophe.lyon@linaro.org>
3160 * config/arm/arm.c (neon_valid_immediate): Handle FP16 vectors.
3161 * config/arm/arm_neon.h (__ARM_NUM_LANES, __arm_lane, arm_lanq):
3163 (vget_lane_f16): Handle big-endian.
3164 (vgetq_lane_f16): Likewise.
3165 (vset_lane_f16): Likewise.
3166 (vsetq_lane_f16): Likewise.
3167 * config/arm/iterators.md (VQXMOV): Add V8HF.
3168 (VDQ): Add V4HF and V8HF.
3169 (V_reg): Handle V4HF and V8HF.
3170 (Is_float_mode): Likewise.
3171 * config/arm/neon.md (movv4hf, movv8hf, neon_vdup_nv4hf,
3172 neon_vdup_nv8hf): New patterns.
3173 (vec_set<mode>_internal, vec_extract<mode>, neon_vld1_dup<mode>):
3174 Use VD_LANE iterator.
3175 (neon_vld1_dup<mode>): Use VQ2 iterator.
3177 2016-01-26 Nathan Sidwell <nathan@acm.org>
3179 * omp-low.h (oacc_fn_attrib_kernels_p): Declare.
3180 (set_oacc_fn_attrib): Add IS_KERNEL arg.
3181 * omp-low.c (set_oacc_fn_attrib): Add IS_KERNEL arg.
3182 (oacc_fn_attrib_kernels_p, oacc_fn_attrib_level): New.
3183 (expand_omp_target): Pass is_kernel to set_oacc_fn_attrib.
3184 (oacc_validate_dims): Add LEVEL arg, don't return level.
3185 (new_oacc_loop_routine): Use oacc_fn_attrib_level, not
3187 (execute_oacc_device_lower): Adjust, add more dump output.
3188 * tree-ssa-loop.c (gate_oacc_kernels): Use
3189 oacc_fn_attrib_kernels_p.
3190 * tree-parloops.c (create_parallel_loop): Adjust
3191 set_oacc_fn_attrib call.
3193 2016-01-26 Jakub Jelinek <jakub@redhat.com>
3196 * lto-wrapper.c (merge_and_complain): Handle -fcilkplus.
3197 (append_compiler_options): Handle -fcilkplus.
3198 (append_linker_options): Ignore -fno-{openmp,openacc,cilkplus}.
3200 2016-01-26 Nick Clifton <nickc@redhat.com>
3203 * config/i386/winnt.c (i386_pe_binds_local_p): If a function has
3204 been marked as DECL_ONE_ONLY but we do not the means to make it
3205 so, then do not allow it to bind locally.
3207 2016-01-26 Jakub Jelinek <jakub@redhat.com>
3210 * opts.h (parse_sanitizer_options): New prototype.
3211 * opts.c (sanitizer_opts): New array.
3212 (parse_sanitizer_options): New function.
3213 (common_handle_option): Use parse_sanitizer_options.
3215 2016-01-26 H.J. Lu <hongjiu.lu@intel.com>
3218 * config/i386/i386.c (ix86_compute_frame_layout): Move stack
3219 alignment adjustment to ...
3220 (ix86_update_stack_boundary): Here. Don't over-align stack for
3222 (ix86_finalize_stack_realign_flags): Use stack_alignment_needed
3223 if __tls_get_addr is called.
3225 2016-01-26 Christian Bruel <christian.bruel@st.com>
3227 * doc/sourcebuild.texi (arm_crypto_pragma_ok): Remove.
3229 2016-01-26 Eric Botcazou <ebotcazou@adacore.com>
3231 * config/ia64/ia64.c (ia64_expand_vecint_compare): Use gen_int_mode.
3233 2016-01-26 Richard Biener <rguenther@suse.de>
3236 * match.pd: Guard X * CST CMP 0 pattern with single_use.
3238 2016-01-26 Richard Biener <rguenther@suse.de>
3240 PR tree-optimization/69452
3241 * tree-ssa-loop-im.c (move_computations_dom_walker): Remove.
3242 (move_computations_dom_walker::before_dom_children): Rename
3244 (move_computations_worker): This.
3245 (move_computations): Perform an RPO rather than a DOM walk.
3247 2016-01-26 Jakub Jelinek <jakub@redhat.com>
3250 * combine.c (combine_instructions): For REG_EQUAL note with
3251 SET_DEST being ZERO_EXTRACT, also temporarily set SET_DEST
3252 to the underlying register.
3253 * doc/rtl.texi (REG_EQUAL): Document the behavior of
3254 REG_EQUAL/REG_EQUIV notes if SET_DEST is ZERO_EXTRACT.
3256 2016-01-26 Roger Ferrer Ibáñez <rofirrim@gmail.com>
3259 * config/aarch64/aarch64-builtins.c
3260 (aarch64_init_simd_builtin_types): Do not set structural
3261 equality to __Poly{8,16,64,128}_t types.
3263 2016-01-26 Richard Sandiford <richard.sandiford@arm.com>
3265 PR tree-optimization/69400
3266 * wide-int.cc (wi_pack): Take the precision as argument and
3267 perform canonicalization here rather than in the callers.
3268 Use the main loop to handle all full-width HWIs. Add a
3269 zero HWI if in_len isn't a full result.
3270 (wi::divmod_internal): Update accordingly.
3271 (wi::mul_internal): Likewise. Simplify.
3273 2016-01-25 Aditya Kumar <aditya.k7@samsung.com>
3274 Sebastian Pop <s.pop@samsung.com>
3276 * graphite-poly.c (apply_poly_transforms): Simplify.
3277 (print_isl_set): Use more readable format: ISL_YAML_STYLE_BLOCK.
3278 (print_isl_map): Same.
3279 (print_isl_union_map): Same.
3280 (print_isl_schedule): New.
3281 (debug_isl_schedule): New.
3282 * graphite-dependences.c (scop_get_reads): Do not call
3283 isl_union_map_add_map that is undocumented isl functionality.
3284 (scop_get_must_writes): Same.
3285 (scop_get_may_writes): Same.
3286 (scop_get_original_schedule): Remove.
3287 (scop_get_dependences): Do not call isl_union_map_compute_flow that
3288 is deprecated in isl 0.15. Instead, use isl_union_access_* interface.
3289 (compute_deps): Remove.
3290 * graphite-isl-ast-to-gimple.c (print_schedule_ast): New.
3291 (debug_schedule_ast): New.
3292 (translate_isl_ast_to_gimple::scop_to_isl_ast): Call
3293 set_separate_option.
3294 (graphite_regenerate_ast_isl): Add dump.
3295 (translate_isl_ast_to_gimple::scop_to_isl_ast): Generate code
3296 from scop->transformed_schedule.
3297 (graphite_regenerate_ast_isl): Add more dump.
3298 * graphite-optimize-isl.c (optimize_isl): Set
3299 scop->transformed_schedule. Check whether schedules are equal.
3300 (apply_poly_transforms): Move here.
3301 * graphite-poly.c (apply_poly_transforms): ... from here.
3302 (free_poly_bb): Static.
3303 (free_scop): Static.
3304 (pbb_number_of_iterations_at_time): Remove.
3305 (print_isl_ast): New.
3306 (debug_isl_ast): New.
3307 (debug_scop_pbb): New.
3308 * graphite-scop-detection.c (print_edge): Move.
3310 * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Remove.
3311 (build_scop_scattering): Remove.
3312 (create_pw_aff_from_tree): Assert instead of bailing out.
3313 (add_condition_to_pbb): Remove unused code, do not fail.
3314 (add_conditions_to_domain): Same.
3315 (add_conditions_to_constraints): Remove.
3316 (build_scop_context): New.
3317 (add_iter_domain_dimension): New.
3318 (build_iteration_domains): Initialize pbb->iterators.
3319 Call add_conditions_to_domain.
3322 (index_outermost_in_loop): New.
3323 (index_pbb_in_loop): New.
3324 (outermost_pbb_in): New.
3325 (add_in_sequence): New.
3326 (add_outer_projection): New.
3327 (outer_projection_mupa): New.
3328 (add_loop_schedule): New.
3329 (build_schedule_pbb): New.
3330 (build_schedule_loop): New.
3331 (embed_in_surrounding_loops): New.
3332 (build_schedule_loop_nest): New.
3333 (build_original_schedule): New.
3334 (build_poly_scop): Call build_original_schedule.
3335 * graphite.h: Declare print_isl_schedule and debug_isl_schedule.
3336 (free_poly_dr): Remove.
3337 (struct poly_bb): Add iterators. Remove schedule, transformed, saved.
3338 (free_poly_bb): Remove.
3339 (debug_loop_vec): Remove.
3340 (print_isl_ast): Declare.
3341 (debug_isl_ast): Declare.
3342 (scop_do_interchange): Remove.
3343 (scop_do_strip_mine): Remove.
3344 (scop_do_block): Remove.
3345 (flatten_all_loops): Remove.
3346 (optimize_isl): Remove.
3347 (pbb_number_of_iterations_at_time): Remove.
3348 (debug_scop_pbb): Declare.
3349 (print_schedule_ast): Declare.
3350 (debug_schedule_ast): Declare.
3351 (struct scop): Remove schedule. Add original_schedule,
3352 transformed_schedule.
3353 (free_gimple_poly_bb): Remove.
3354 (print_generated_program): Remove.
3355 (debug_generated_program): Remove.
3356 (unify_scattering_dimensions): Remove.
3357 * sese.c (print_edge): ... here.
3358 (print_sese): ... here.
3359 (debug_edge): ... here.
3360 (debug_sese): ... here.
3361 * sese.h (print_edge): Declare.
3362 (print_sese): Declare.
3363 (dump_edge): Declare.
3364 (dump_sese): Declare.
3366 2016-01-25 Aditya Kumar <aditya.k7@samsung.com>
3367 Sebastian Pop <s.pop@samsung.com>
3369 * Makefile.in: Set ISLVER in site.exp.
3371 2016-01-25 Jakub Jelinek <jakub@redhat.com>
3373 * omp-low.c (lower_omp_target) <case USE_DEVICE_PTR>: Set
3374 DECL_VALUE_EXPR of new_var even for the non-array case. Look
3375 through DECL_VALUE_EXPR for expansion.
3377 2016-01-25 Bernd Edlinger <bernd.edlinger@hotmail.de>
3379 * config/mips/mips.c (mips_compute_frame_info): Skip re-computing
3380 the frame info after reload completed.
3382 2016-01-25 Jeff Law <law@redhat.com>
3384 PR tree-optimization/69196
3385 PR tree-optimization/68398
3386 * tree-ssa-threadupdate.h (enum bb_dom_status): Moved here from
3387 tree-ssa-threadupdate.c.
3388 (determine_bb_domination_status): Prototype
3389 * tree-ssa-threadupdate.c (enum bb_dom_status): Remove
3390 (determine_bb_domination_status): No longer static.
3391 (valid_jump_thread_path): Remove code to detect characteristics
3392 of the jump thread path not associated with correctness.
3393 * tree-ssa-threadbackward.c (fsm_find_control_statment_thread_paths):
3394 Correct test for thread path length. Count PHIs for real operands as
3395 statements that need to be copied. Do not count ASSERT_EXPRs.
3396 Look at all the blocks in the thread path. Compute and selectively
3397 filter thread paths based on threading through the latch, threading
3398 a multiway branch or crossing a multiway branch.
3400 2016-01-25 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
3402 * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled): Add
3403 decl with __attribute__ ((unused)) annotation.
3405 2016-01-25 Ilya Enkovich <enkovich.gnu@gmail.com>
3408 * tree-vect-stmts.c (vectorizable_condition): Check vectype
3409 of operands is compatible with a statement vectype.
3411 2016-01-25 Eric Botcazou <ebotcazou@adacore.com>
3413 * doc/extend.texi (scalar_storage_order type attribute): Fix typo and
3414 improve wording for mixed storage order support.
3416 2016-01-25 Bilyan Borisov <bilyan.borisov@arm.com>
3418 * config/aarch64/arm_neon.h (vcvt_s64_f64): New intrinsic.
3419 (vcvt_u64_f64): Likewise.
3420 (vcvta_s64_f64): Likewise.
3421 (vcvta_u64_f64): Likewise.
3422 (vcvtm_s64_f64): Likewise.
3423 (vcvtm_u64_f64): Likewise.
3424 (vcvtn_s64_f64): Likewise.
3425 (vcvtn_u64_f64): Likewise.
3426 (vcvtp_s64_f64): Likewise.
3427 (vcvtp_u64_f64): Likewise.
3429 2016-01-25 Claudiu Zissulescu <claziss@synopsys.com>
3431 * config/arc/arc.c (TARGET_DWARF_REGISTER_SPAN): Define.
3432 (arc_init): Check validity mll64 option.
3433 (arc_save_restore): Use double load/store instruction.
3434 (arc_expand_movmem): Likewise.
3435 (arc_split_move): Don't split if we have double load/store
3436 instructions. Returns a boolean.
3437 (arc_process_double_reg_moves): Change function to return boolean
3438 instead of a sequence of instructions.
3439 (arc_dwarf_register_span): New function.
3440 * config/arc/arc-protos.h (arc_split_move): Change prototype.
3441 * config/arc/arc.h (TARGET_CPU_CPP_BUILTINS): Define __ARC_LL64__.
3442 * config/arc/arc.md (*movdi_insn): Emit ldd/std instructions.
3443 (*movdf_insn): Likewise.
3444 * config/arc/arc.opt (mll64): New option.
3445 * config/arc/predicates.md (even_register_operand): New predicate.
3446 * doc/invoke.texi (ARC Options): Add mll64 documentation.
3448 2016-01-25 Richard Biener <rguenther@suse.de>
3451 * dwarf2out.c (is_naming_typedef_decl): Not when DECL_NAMELESS.
3452 * tree-streamer-out.c (pack_ts_base_value_fields): Stream
3454 * tree-streamer-in.c (unpack_ts_base_value_fields): Likewise.
3456 2016-01-25 Richard Biener <rguenther@suse.de>
3458 PR tree-optimization/69376
3459 * tree-ssa-sccvn.h (struct vn_ssa_aux): Add range_info_anti_range_p
3461 (VN_INFO_ANTI_RANGE_P): New inline.
3462 (VN_INFO_RANGE_TYPE): Likewise.
3463 * tree-ssa-sccvn.c (set_ssa_val_to): Also record and copy
3464 SSA_NAME_ANTI_RANGE_P.
3465 (free_scc_vn): Restore SSA_NAME_ANTI_RANGE_P.
3466 * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
3467 Properly query VN_INFO_RANGE_TYPE.
3469 2016-01-25 Nick Clifton <nickc@redhat.com>
3472 * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Remove definition.
3474 2016-01-23 Tom de Vries <tom@codesourcery.com>
3476 PR tree-optimization/69426
3477 * tree-parloops.c (eliminate_local_variables_stmt): Handle vdef of
3480 2016-01-23 Jakub Jelinek <jakub@redhat.com>
3482 * tree-ssanames.c (release_free_names_and_compact_live_names): Replace
3483 "the the" with "the" in the comments.
3484 * ipa-devirt.c (build_type_inheritance_graph,
3485 update_type_inheritance_graph): Likewise.
3486 * tree.c (build_function_type_list_1): Likewise.
3487 * cfgloopmanip.c (scale_loop_profile): Likewise.
3488 * tree-ssa-loop-ivopts.c (get_shiftadd_cost): Likewise.
3489 * gimple-ssa-split-paths.c
3490 (find_block_to_duplicate_for_splitting_paths): Likewise.
3491 * tree-sra.c (init_subtree_with_zero, clobber_subtree): Likewise.
3492 * expr.c (convert_move): Likewise.
3493 * var-tracking.c (vt_stack_adjustments): Likewise.
3494 * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Likewise.
3495 * tree-vrp.c (test_for_singularity): Likewise.
3497 * tree-vect-stmts.c (vectorizable_condition): Build a VEC_COND_EXPR
3498 directly instead of building a temporary tree.
3501 * genrecog.c: Define INCLUDE_ALGORITHM before including system.h,
3502 remove <algorithm> include.
3504 2016-01-22 Jakub Jelinek <jakub@redhat.com>
3507 * config/i386/i386.c: Include dojump.h.
3508 (expand_small_movmem_or_setmem,
3509 expand_set_or_movmem_prologue_epilogue_by_misaligned_moves): Spelling
3511 (ix86_expand_set_or_movmem): Call do_pending_stack_adjust () early
3512 if dynamic_check != -1.
3514 2016-01-21 Jeff Law <law@redhat.com>
3517 * tree-ssa-dom.c (back_propagate_equivalences): Factored out of
3518 record_temporary_equivalences. Rewritten to avoid unnecessary calls
3519 into dominated_by_p.
3520 (cprop_into_successor_phis): Avoid unnecessary tests.
3522 2016-01-22 Richard Henderson <rth@redhat.com>
3525 * config/aarch64/aarch64.md (UNSPEC_NZCV): New.
3526 (ccmp<mode>, fccmp<mode>, fccmpe<mode>): Use it.
3528 2016-01-22 Michael Matz <matz@suse.de>
3530 * system.h (string, algorithm): Include only conditionally.
3531 (new): Include always under C++.
3532 * bb-reorder.c (toplevel): Define INCLUDE_ALGORITHM.
3533 * final.c (toplevel): Ditto.
3534 * ipa-chkp.c (toplevel): Define INCLUDE_STRING.
3535 * genconditions.c (write_header): Make gencondmd.c define
3537 * mem-stats.h (mem_usage::print_dash_line): Don't use std::string.
3539 * config/aarch64/aarch64.c (toplevel): Define INCLUDE_STRING.
3540 * common/config/aarch64/aarch64-common.c (toplevel): Ditto.
3542 2016-01-22 Christian Bruel <christian.bruel@st.com>
3545 * expr.c (expand_expr_real_1): Reset DECL_MODE if VECTOR_TYPE_P changed.
3547 2016-01-22 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
3550 * config/arm/thumb2.md (*thumb2_ior_scc_strict_it): Convert to
3551 define_insn_and_split. Ensure operands[1] and operands[0] do not
3552 get assigned the same register.
3554 2016-01-22 Kugan Vivekanandarajah <kuganv@linaro.org>
3556 * ipa-prop.c (ipa_set_jf_constant): Remove redundant unshare_expr.
3558 2016-01-22 Christian Bruel <christian.bruel@st.com>
3560 * config/arm/arm-c.c (arm_pragma_target_parse):
3561 Remove warn_builtin_macro_redefined overwrite.
3563 2016-01-22 Eric Botcazou <ebotcazou@adacore.com>
3565 * ipa-inline.c (can_inline_edge_p): Back out overzealous check on
3566 flag_non_call_exceptions compatibility.
3568 2016-01-22 Jakub Jelinek <jakub@redhat.com>
3571 * dwarf2out.c (add_child_die_after): New function.
3572 (dwarf_qual_info_t): New type.
3573 (dwarf_qual_info): New variable.
3574 (qualified_die_p): New function.
3575 (modified_type_die): For -fdebug-types-section, ensure
3576 canonical order of qualifiers. Put qualified DIEs adjacent
3577 to the corresponding non-qualified type DIE and search there
3578 for existing qualified DIEs.
3580 2016-01-22 Eric Botcazou <ebotcazou@adacore.com>
3582 * doc/extend.texi (scalar_storage_order type attribute): Document
3583 restriction on type punning and aliasing, and remove future tense.
3585 2016-01-21 Roman Zhuykov <zhroma@ispras.ru>
3588 * modulo-sched.c (optimize_sc): Allow branch-scheduling to add a new
3591 2016-01-21 Jeff Law <law@redhat.com>
3594 * tree-ssa-dom.c (dom_opt_dom_walker::thread_across_edge): Avoid
3595 useless call to record_temporary_equivalences.
3596 * tree-ssa-threadbackward.c (find_jump_threads_backwards): Just
3597 allocate 10 slots in the bb_path vector and let it grow as needed.
3598 (fsm_find_control_statement_thread_paths): Similarly for the next_path
3601 2016-01-21 David Edelsohn <dje.gcc@gmail.com>
3603 * configure.ac (gcc_cv_as_powerpc_mfcrf, gcc_cv_as_machine_directive):
3605 * configure: Regenerate.
3607 2016-01-21 Pat Haugen <pthaugen@us.ibm.com>
3609 * config/rs6000/aix71.h (ASM_CPU_SPEC): Add entry for Power9.
3610 * config/rs6000/driver-rs6000.c (struct asm_names): Likewise.
3612 2016-01-21 Bernd Schmidt <bschmidt@redhat.com>
3615 * expr.c (expand_expr_real_2) [PLUS_EXPR, MINUS_EXPR]: Don't
3616 drop EXPAND_INITIALIZER.
3617 * rtl.h (contains_symbolic_reference_p): Declare.
3618 * rtlanal.c (contains_symbolic_reference_p): New function.
3619 * simplify-rtx.c (simplify_binary_operation_1): Don't turn
3620 a subtraction into a NOT if symbolic constants are involved.
3622 2016-01-21 Anton Blanchard <anton@samba.org>
3623 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
3626 * config/rs6000/linux64.h (TARGET_KEEP_LEAF_WHEN_PROFILED): New
3628 * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled): New
3631 2016-01-21 Ajit Agarwal <ajitkum@xilinx.com>
3633 * config/microblaze/microblaze.c
3634 (get_branch_target): New.
3635 (insert_wic_for_ilb_runout): New.
3637 (microblaze_machine_dependent_reorg): New.
3638 (TARGET_MACHINE_DEPENDENT_REORG): Define macro.
3639 * config/microblaze/microblaze.md
3640 (UNSPEC_IPREFETCH): Define.
3641 (iprefetch): New pattern
3642 * config/microblaze/microblaze.opt
3643 (mxl-prefetch): New flag.
3645 2016-01-21 Ajit Agarwal <ajitkum@xilinx.com>
3647 * config/microblaze/microblaze.h
3648 (FIXED_REGISTERS): Update in macro.
3649 (CALL_USED_REGISTERS): Update in macro.
3651 2016-01-21 Yuri Rumyantsev <ysrumyan@gmail.com>
3653 PR rtl-optimization/68920
3654 * ifcvt.c (cond_move_process_if_block): Limit number of conditional
3657 2016-01-21 Vladimir Makarov <vmakarov@redhat.com>
3659 PR rtl-optimization/68990
3660 * lra-coalesce.c (lra_coalesce): Invalidate value for the result
3661 pseudo instead of inheritance ones.
3663 2016-01-21 Bernd Edlinger <bernd.edlinger@hotmail.de>
3664 Nick Clifton <nickc@redhat.com>
3668 * config/mips/mips.c (mips_compute_frame_info): Initialise
3669 args_size and hard_frame_pointer_offset fields of the frame
3670 structure before calling mips_global_pointer.
3672 2016-01-21 David Edelsohn <dje.gcc@gmail.com>
3674 * configure.ac (gcc_cv_as_dwloc): Test support for debug frame section
3676 * configure: Regenerate.
3678 2016-01-21 Richard Biener <rguenther@suse.de>
3680 * graphite-optimize-isl.c (get_schedule_map): Fix typo.
3682 2016-01-21 Marcin Kościelnicki <koriakin@0x04.net>
3684 * config/s390/s390.c (s390_asm_declare_function_size): Add code
3685 to actually emit the .size directive.
3687 2016-01-21 Stefan Sørensen <stefan.sorensen@spectralink.com>
3688 Jakub Jelinek <jakub@redhat.com>
3692 * config/arm/arm-builtins.c (arm_expand_neon_builtin): Increase
3693 args array size by one to avoid buffer overflow.
3695 2016-01-21 Marcin Kościelnicki <koriakin@0x04.net>
3697 * config/s390/s390.md (pool_section_start): Use switch_to_section
3698 to select proper read-only data section instead of hardcoding
3700 (pool_section_end): Use switch_to_section to match the above.
3702 2016-01-21 Richard Biener <rguenther@suse.de>
3704 PR tree-optimization/69378
3705 * tree-ssa-sccvn.c (dominated_by_p_w_unex): New function.
3706 (set_ssa_val_to): Use it for dominance checks taking into
3707 account not executable edges.
3709 2016-01-21 Jakub Jelinek <jakub@redhat.com>
3712 * tree-dfa.c (get_ref_base_and_extent): Use GET_MODE_BITSIZE (mode)
3713 for bitsize instead of GET_MODE_PRECISION (mode).
3715 2016-01-20 Martin Sebor <msebor@redhat.com>
3718 * extend.texi (__sync Builtins): Clarify the semantics of
3719 __sync_fetch_and_OP built-ins on pointers.
3720 (__atomic Builtins): Same.
3722 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
3723 Sebastian Pop <s.pop@samsung.com>
3725 * graphite-isl-ast-to-gimple.c (enum phi_node_kind): New.
3726 (class translate_isl_ast_to_gimple): Use phi_node_kind instead of bool.
3727 (is_valid_rename): Same.
3728 (translate_isl_ast_to_gimple::get_rename): Same.
3729 (translate_isl_ast_to_gimple::rename_all_uses): Same.
3730 (translate_isl_ast_to_gimple::rename_uses): Same.
3731 (get_new_name): Check for close_phi nodes.
3732 (copy_loop_phi_args): Use phi_node_kind.
3733 (translate_isl_ast_to_gimple::copy_loop_close_phi_args): Same.
3734 (translate_isl_ast_to_gimple::copy_cond_phi_args): Same.
3736 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
3737 Sebastian Pop <s.pop@samsung.com>
3739 Revert commit r229783.
3740 * graphite-isl-ast-to-gimple.c (gcc_expression_from_isl_ast_expr_id):
3741 Remove use of parameter_rename_map.
3743 (copy_internal_parameters): Remove.
3744 (graphite_regenerate_ast_isl): Remove call to copy_internal_parameters.
3745 * sese.c (new_sese_info): Do not initialize parameter_rename_map.
3746 (free_sese_info): Do not free parameter_rename_map.
3747 (set_rename): Do not use parameter_rename_map.
3748 (rename_uses): Update call to set_rename.
3749 (graphite_copy_stmts_from_block): Do not use parameter_rename_map.
3750 * sese.h (parameter_rename_map_t): Remove.
3751 (struct sese_info_t): Remove field parameter_rename_map.
3753 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
3754 Sebastian Pop <s.pop@samsung.com>
3756 * graphite-isl-ast-to-gimple.c: Fix comment.
3757 * graphite-scop-detection.c (defined_in_loop_p): New.
3758 (canonicalize_loop_closed_ssa): Do not add close phi nodes for SSA
3759 names defined in loop.
3761 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
3762 Sebastian Pop <s.pop@samsung.com>
3764 * graphite-scop-detection.c (scop_detection::harmful_loop_in_region):
3765 Discard unstructured if-then-else regions.
3767 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
3768 Sebastian Pop <s.pop@samsung.com>
3770 * graphite-sese-to-poly.c (set_scop_parameter_dim): Remove.
3771 (cleanup_loop_iter_dom): Remove.
3772 (build_loop_iteration_domains): Remove.
3773 (build_scop_context): Remove.
3774 (build_scop_iteration_domain): Remove.
3775 (add_loop_constraints): New.
3776 (build_iteration_domains): New.
3777 (build_poly_scop): Call build_iteration_domains.
3779 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
3780 Sebastian Pop <s.pop@samsung.com>
3782 * graphite-scop-detection.c
3783 (scop_detection::harmful_loop_in_region): Free dom and loops.
3784 (scop_detection::loop_body_is_valid_scop): Free bbs.
3786 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
3787 Sebastian Pop <s.pop@samsung.com>
3789 * graphite-scop-detection.c (record_loop_in_sese): New.
3790 (gather_bbs::before_dom_children): Call record_loop_in_sese.
3791 (build_scops): Remove call to build_sese_loop_nests.
3792 * sese.c (sese_record_loop): Remove.
3793 (build_sese_loop_nests): Remove.
3794 (new_sese_info): Remove region->loops.
3795 (free_sese_info): Same.
3796 * sese.h (sese_contains_loop): Same.
3797 (build_sese_loop_nests): Remove.
3798 (sese_contains_loop): Remove.
3800 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
3801 Sebastian Pop <s.pop@samsung.com>
3803 * graphite-scop-detection.c (loop_is_valid_scop): Renamed
3804 loop_is_valid_in_scop.
3805 (scop_detection::harmful_stmt_in_region): Renamed
3806 harmful_loop_in_region.
3807 Call loop_is_valid_in_scop.
3809 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
3810 Sebastian Pop <s.pop@samsung.com>
3812 * graphite-isl-ast-to-gimple.c (translate_isl_ast): Also handle
3815 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
3816 Sebastian Pop <s.pop@samsung.com>
3818 * graphite-poly.c (new_poly_bb): Remove use of PBB_IS_REDUCTION.
3819 * graphite.h (struct poly_bb): Remove field is_reduction.
3820 (PBB_IS_REDUCTION): Remove.
3822 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
3823 Sebastian Pop <s.pop@samsung.com>
3825 * graphite-dependences.c (constrain_domain): Add call to isl_*_coalesce.
3826 (add_pdr_constraints): Same.
3827 (scop_get_reads): Same.
3828 (scop_get_must_writes): Same.
3829 (scop_get_may_writes): Same.
3830 (scop_get_original_schedule): Same.
3831 (extend_schedule): Same.
3832 (apply_schedule_on_deps): Same.
3833 (carries_deps): Same.
3834 (compute_deps): Same.
3835 (scop_get_dependences): Same.
3836 * graphite-isl-ast-to-gimple.c
3837 (translate_isl_ast_to_gimple::generate_isl_schedule): Same.
3838 * graphite-optimize-isl.c (get_schedule_for_band): Same.
3839 (get_schedule_for_band_list): Same.
3840 (get_schedule_map): Same.
3841 (apply_schedule_map_to_scop): Same.
3842 * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
3843 (build_loop_iteration_domains): Same.
3844 (add_condition_to_pbb): Same.
3845 (add_param_constraints): Same.
3846 (pdr_add_memory_accesses): Same.
3847 (pdr_add_data_dimensions): Same.
3849 2016-01-20 Sandra Loosemore <sandra@codesourcery.com>
3851 * doc/invoke.texi (Instrumentation Options): Clarify -mmpx linking
3854 2016-01-20 Sandra Loosemore <sandra@codesourcery.com>
3856 * common.opt (feliminate-dwarf2-dups): Replace references to
3857 "DWARF 2" with just "DWARF".
3858 * config/ia64/ia64.opt (mdwarf2-asm): Likewise.
3859 * doc/extend.texi: Likewise.
3860 * doc/cpp.texi: Likewise.
3861 * doc/invoke.texi: Likewise.
3862 (Option Summary): Add -gdwarf to list of Debugging Options.
3863 (Debugging Options): Document -gdwarf.
3864 * doc/contrib.texi: Spell "DWARF" like that.
3866 2016-01-21 Jakub Jelinek <jakub@redhat.com>
3868 * omp-low.c (expand_omp_target): Avoid -Wmaybe-uninitialized
3869 warning. Fix up formatting.
3872 * gimplify.c (gimplify_asm_expr): Warn if it is too late to
3873 attempt to mark memory input operand addressable and
3874 call prepare_gimple_addressable in that case. Don't adjust
3875 input_location for diagnostics, use error_at instead.
3877 2016-01-20 Peter Bergner <bergner@vnet.ibm.com>
3879 * config/rs6000/ppc-auxv.h: New file.
3880 * config/rs6000/rs6000-builtin.def (cpu_init): Add new builtin.
3882 (cpu_supports): Likewise.
3883 * config/rs6000/rs6000.c: include "ppc-auxv.h".
3884 (cpu_is_info): New variable.
3885 (cpu_supports_info): Likewise.
3886 (tcb_verification_symbol): Likewise.
3887 (cpu_builtin_p): Likewise.
3888 (cpu_expand_builtin): New function.
3889 (rs6000_expand_ternop_builtin): Add support for CPU builtin functions.
3890 (rs6000_init_builtins): Likewise.
3891 (rs6000_elf_file_end): Emit HWCAP in TCB verification symbol.
3892 * config/rs6000/rs6000.h (TLS_REGNUM): New define.
3893 * configure.ac (gcc_cv_libc_provides_hwcap_in_tcb): New test.
3894 * configure: Regenerate.
3895 * config.in: Likewise.
3896 * doc/extend.texi (PowerPC Built-in Functions): Document
3897 __builtin_cpu_init, __builtin_cpu_is and __builtin_cpu_supports.
3899 2016-01-20 David Edelsohn <dje.gcc@gmail.com>
3902 * config/rs6000/rs6000.c (rs6000_emit_swsqrt): Add vector sqrt
3904 * config/rs6000/vector.md (sqrt<mode>2): Call rs6000_emit_swsqrt
3907 2016-01-20 Richard Henderson <rth@redhat.com>
3913 * tree.c (tm_define_builtin): New.
3914 (find_tm_vector_type): New.
3915 (build_tm_vector_builtins): New.
3916 (build_common_builtin_nodes): Call it.
3918 2016-01-20 Christophe Lyon <christophe.lyon@linaro.org>
3920 * doc/sourcebuild.texi (arm_crypto_pragma_ok): Document new entry.
3921 (arm_fp_ok): Likewise.
3923 (arm_crypto): Likewise.
3925 2016-01-20 Ilya Enkovich <enkovich.gnu@gmail.com>
3926 Richard Biener <rguenther@suse.de>
3928 PR tree-optimization/69328
3929 * tree-vect-stmts.c (vect_is_simple_cond): Check compared
3930 vectors have same number of elements.
3931 (vectorizable_condition): Fix masked version recognition.
3933 2016-01-20 Richard Biener <rguenther@suse.de>
3935 PR tree-optimization/69345
3936 * tree-ssa-sccvn.h (VN_INFO_RANGE_INFO): New inline function.
3937 (VN_INFO_PTR_INFO): Likewise.
3938 * tree-ssa-sccvn.c (set_ssa_val_to): Avoid clearing points-to
3939 info when it is equal between non-dominating SSA names.
3940 * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
3941 Make sure to look at original SSA infos.
3943 2016-01-20 Jeff Law <law@redhat.com>
3946 * config/m68k/predicates.md (pow2_m1_operand): New predicate
3948 (reg_or_pow2_m1_operand): Call pow2_m1_operand.
3949 (pc_or_label_operand): New predicate.
3950 * config/m68k/m68k.md: Add new peephole2 patterns for GTU/LEU
3951 tests for small integers that are 2^n - 1.
3953 2016-01-20 Jonathan Wakely <jwakely@redhat.com>
3955 * doc/invoke.texi (Options Summary): Add '.' after @xref.
3957 2016-01-19 Jeff Law <law@redhat.com>
3960 * tree-ssa-threadbackwards.c
3961 (fsm_find_control_statement_thread_paths): Do not try to lookup
3962 FSM paths for SSA_NAMEs appearing in abnormal PHIs.
3964 2016-01-20 Kugan Vivekanandarajah <kuganv@linaro.org>
3966 * doc/lto.texi: Remove text that says only Gold has linker plugin
3969 2016-01-19 Eric Botcazou <ebotcazou@adacore.com>
3971 * dwarf2out.c (need_endianity_attribute_p): New inline predicate.
3972 (base_type_die): Add REVERSE parameter and attach DW_AT_endianity to
3973 the DIE accordingly.
3974 (modified_type_die): Add REVERSE parameter and pass it recursively,
3975 as well as to base_type_die. Adjust presence check accordingly.
3976 (base_type_for_mode): Adjust call to modified_type_die.
3977 (add_type_attribute): Add REVERSE parameter and pass it to
3979 (generic_parameter_die): Adjust call to add_type_attribute.
3980 (add_scalar_info): Likewise.
3981 (add_subscript_info): Likewise.
3982 (gen_array_type_die): Likewise.
3983 (gen_descr_array_type_die): Likewise.
3984 (gen_entry_point_die): Likewise.
3985 (gen_enumeration_type_die): Likewise.
3986 (gen_formal_parameter_die): Likewise.
3987 (gen_subprogram_die): Likewise.
3988 (gen_variable_die ): Likewise.
3989 (gen_const_die): Likewise.
3990 (gen_field_die): Likewise.
3991 (gen_pointer_type_die): Likewise.
3992 (gen_reference_type_die): Likewise.
3993 (gen_ptr_to_mbr_type_die): Likewise.
3994 (gen_inheritance_die): Likewise.
3995 (gen_subroutine_type_die): Likewise.
3996 (gen_typedef_die): Likewise.
3997 (force_type_die): Adjust call to modified_type_die.
3999 2016-01-19 Sandra Loosemore <sandra@codesourcery.com>
4001 * doc/standards.texi: Copy-editing for grammar, markup, and sentence
4002 flow throughout the file. Fix broken link to Objective-C 2.0
4004 * doc/invoke.texi: More copy-editing; fix numerous typos and spelling
4007 2016-01-19 Wilco Dijkstra <wdijkstr@arm.com>
4009 * ccmp.c (expand_ccmp_expr_1): Avoid spurious unused warnings.
4011 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
4014 * ipa-devirt.c (is_cxa_pure_virtual_p): New function.
4015 (maybe_record_node): Record cxa_pure_virtual as the only possible
4016 target if there are not ohter candidates.
4017 (possible_polymorphic_call_target_p): Accept cxa_pure_virtual.
4019 2016-01-19 Richard Biener <rguenther@suse.de>
4021 * hsa-gen.c (get_memory_order_name): Use MEMMODEL_ constants.
4022 (get_memory_order): Likewise.
4024 2016-01-19 Kirill Yukhin <kirill.yukhin@intel.com>
4026 * tree-vect-stmts.c (vectorizable_store): Check
4029 2016-01-19 David Malcolm <dmalcolm@redhat.com>
4032 * gcc.c (driver::decode_argv): Add call to
4033 init_opts_obstack before init_options_struct.
4034 * opts.c (init_opts_obstack): Remove idempotency.
4035 (init_options_struct): Replace call to init_opts_obstack
4036 with a gcc_assert to verify that it has already been called.
4037 * toplev.c (toplev::main): Add call to init_opts_obstack before
4038 calls to init_options_struct.
4039 (toplev::finalize): Move cleanup of opts_obstack next to
4040 cleanup of save_decoded_options, clearing the latter, and
4041 save_decoded_options_count.
4043 2016-01-19 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
4046 * config/arm/vfp.md (l<vrint_pattern><su_optab><mode>si2): Set "conds"
4047 attribute to unconditional. Remove %? from output template.
4049 2015-01-19 Wilco Dijkstra <wdijkstr@arm.com>
4050 Jiong Wang <jiong.wang@arm.com>
4052 * ccmp.c (expand_ccmp_expr_1): Cost the instruction sequences
4053 generated from different expand order.
4055 2015-01-19 Wilco Dijkstra <wdijkstr@arm.com>
4057 * /config/aarch64/aarch64.c (aarch64_if_then_else_costs):
4058 Add support for CCMP costing.
4060 2015-01-19 Wilco Dijkstra <wdijkstr@arm.com>
4062 * ccmp.c (ccmp_candidate_p): Remove integer-only restriction.
4063 * config/aarch64/aarch64.md (fccmp<mode>): New pattern.
4064 (fccmpe<mode>): Likewise.
4065 (fcmp): Rename to fcmp and globalize pattern.
4067 * config/aarch64/aarch64.c (aarch64_gen_ccmp_first): Add FP support.
4068 (aarch64_gen_ccmp_next): Add FP support.
4070 2015-01-19 Wilco Dijkstra <wdijkstr@arm.com>
4072 * target.def (gen_ccmp_first): Update documentation.
4073 (gen_ccmp_next): Likewise.
4074 * doc/tm.texi (gen_ccmp_first): Update documentation.
4075 (gen_ccmp_next): Likewise.
4076 * ccmp.c (expand_ccmp_expr): Extract cmp_code from return value of
4077 expand_ccmp_expr_1. Improve comments.
4078 * config/aarch64/aarch64.md (ccmp_and): Use if_then_else for ccmp.
4079 (ccmp_ior<mode>): Remove pattern.
4080 (cmp<mode>): Remove expand.
4081 (cmp): Globalize pattern.
4082 (cstorecc4): Use cc_register.
4083 (mov<mode>cc): Remove ccmp_cc_register check.
4084 * config/aarch64/aarch64.c (aarch64_get_condition_code_1):
4085 Simplify after removal of CC_DNE/* modes.
4086 (aarch64_ccmp_mode_to_code): Remove.
4087 (aarch64_print_operand): Remove 'K' case. Merge 'm' and 'M' cases.
4088 In 'k' case use integer as condition.
4089 (aarch64_nzcv_codes): Remove inverted cases.
4090 (aarch64_code_to_ccmode): Remove.
4091 (aarch64_gen_ccmp_first): Use cmp pattern directly. Return the correct
4092 comparison with CC register to be used in folowing CCMP/branch/CSEL.
4093 (aarch64_gen_ccmp_next): Use previous comparison and mode in CCMP
4094 pattern. Return the comparison with CC register. Invert conditions
4096 * config/aarch64/aarch64-modes.def: Remove CC_DNE/* modes.
4097 * config/aarch64/predicates.md (ccmp_cc_register): Remove.
4099 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
4101 * cgraphunit.c (cgraph_node::reset): Clear thunk info and
4102 instrumented_version.
4104 2016-01-19 Richard Biener <rguenther@suse.de>
4106 PR tree-optimization/69336
4107 * tree-ssa-scopedtables.c (avail_expr_hash): Handle all
4108 handled components with get_ref_base_and_extent.
4109 (equal_mem_array_ref_p): Adjust.
4111 2016-01-19 Jakub Jelinek <jakub@redhat.com>
4114 * shrink-wrap.c: Include valtrack.h.
4115 (move_insn_for_shrink_wrap): Add DEBUG argument. If
4116 MAY_HAVE_DEBUG_INSNS, call dead_debug_add on DEBUG_INSNs
4117 in between insn and where it will be moved to. Call
4118 dead_debug_insert_temp.
4119 (prepare_shrink_wrap): Adjust caller. Call dead_debug_local_init
4120 first and dead_debug_local_finish at the end.
4121 For uses and defs bitmap, handle all regs in between REGNO and
4122 END_REGNO, not just the first one.
4124 2016-01-19 Richard Biener <rguenther@suse.de>
4126 PR tree-optimization/69352
4127 * tree-ssa-scopedtables.c (avail_expr_hash): Check for size == -1.
4128 (equal_mem_array_ref_p): Constrain size and max size properly.
4129 Compare the reverse flag.
4131 2016-01-19 Bernd Schmidt <bschmidt@redhat.com>
4133 * ira.c (ira): Update regstat data if we deleted insns.
4135 2016-01-19 Jakub Jelinek <jakub@redhat.com>
4137 PR rtl-optimization/68955
4138 PR rtl-optimization/64557
4139 * dse.c (record_store, check_mem_read_rtx): Don't call get_addr
4140 here. Fix up formatting.
4141 * alias.c (get_addr): Handle VALUE +/- CONST_SCALAR_INT_P.
4143 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
4146 * cgraphunit.c (cgraph_node::expand_thunk): When forcing gimple
4147 assume that the node has body.
4148 * cgraph.c (cgraph_node::get_untransformed_body): Use gimple_body_p
4151 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
4153 * lto-streamer-out.c (lto_output): Do not stream instrumentation
4156 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
4158 * symtab.c (symtab_node::asm_name): Do not call printable name directly.
4159 (symtab_node::name): Report name as unnamed if DECL_NAME is not set.
4161 2016-01-19 Martin Jambor <mjambor@suse.cz>
4162 Martin Liska <mliska@suse.cz>
4163 Michael Matz <matz@suse.de>
4165 * Makefile.in (OBJS): Add new source files.
4166 (GTFILES): Add hsa.c.
4167 * common.opt (disable_hsa): New variable.
4168 (-Whsa): New warning.
4169 * config.in (ENABLE_HSA): New.
4170 * configure.ac: Treat hsa differently from other accelerators.
4171 (OFFLOAD_TARGETS): Define ENABLE_OFFLOADING according to
4173 (ENABLE_HSA): Define ENABLE_HSA according to $enable_hsa.
4174 * doc/install.texi (Configuration): Document --with-hsa-runtime,
4175 --with-hsa-runtime-include, --with-hsa-runtime-lib and
4177 * doc/invoke.texi (-Whsa): Document.
4178 (hsa-gen-debug-stores): Likewise.
4179 * lto-wrapper.c (compile_images_for_offload_targets): Do not attempt
4180 to invoke offload compiler for hsa acclerator.
4181 * opts.c (common_handle_option): Determine whether HSA offloading
4182 should be performed.
4183 * params.def (PARAM_HSA_GEN_DEBUG_STORES): New parameter.
4184 * builtin-types.def (BT_FN_VOID_UINT_PTR_INT_PTR): New.
4185 (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_INT_INT): Removed.
4186 (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_PTR): New.
4187 * gimple-low.c (lower_stmt): Also handle GIMPLE_OMP_GRID_BODY.
4188 * gimple-pretty-print.c (dump_gimple_omp_for): Also handle
4189 GF_OMP_FOR_KIND_GRID_LOOP.
4190 (dump_gimple_omp_block): Also handle GIMPLE_OMP_GRID_BODY.
4191 (pp_gimple_stmt_1): Likewise.
4192 * gimple-walk.c (walk_gimple_stmt): Likewise.
4193 * gimple.c (gimple_build_omp_grid_body): New function.
4194 (gimple_copy): Also handle GIMPLE_OMP_GRID_BODY.
4195 * gimple.def (GIMPLE_OMP_GRID_BODY): New.
4196 * gimple.h (enum gf_mask): Added GF_OMP_PARALLEL_GRID_PHONY,
4197 GF_OMP_FOR_KIND_GRID_LOOP, GF_OMP_FOR_GRID_PHONY and
4198 GF_OMP_TEAMS_GRID_PHONY.
4199 (gimple_statement_omp_single_layout): Updated comments.
4200 (gimple_build_omp_grid_body): New function.
4201 (gimple_has_substatements): Also handle GIMPLE_OMP_GRID_BODY.
4202 (gimple_omp_for_grid_phony): New function.
4203 (gimple_omp_for_set_grid_phony): Likewise.
4204 (gimple_omp_parallel_grid_phony): Likewise.
4205 (gimple_omp_parallel_set_grid_phony): Likewise.
4206 (gimple_omp_teams_grid_phony): Likewise.
4207 (gimple_omp_teams_set_grid_phony): Likewise.
4208 (gimple_return_set_retbnd): Also handle GIMPLE_OMP_GRID_BODY.
4209 * omp-builtins.def (BUILT_IN_GOMP_OFFLOAD_REGISTER): New.
4210 (BUILT_IN_GOMP_OFFLOAD_UNREGISTER): Likewise.
4211 (BUILT_IN_GOMP_TARGET): Updated type.
4212 * omp-low.c: Include symbol-summary.h, hsa.h and params.h.
4213 (adjust_for_condition): New function.
4214 (get_omp_for_step_from_incr): Likewise.
4215 (extract_omp_for_data): Moved parts to adjust_for_condition and
4216 get_omp_for_step_from_incr.
4217 (build_outer_var_ref): Handle GIMPLE_OMP_GRID_BODY.
4218 (fixup_child_record_type): Bail out if receiver_decl is NULL.
4219 (scan_sharing_clauses): Handle OMP_CLAUSE__GRIDDIM_.
4220 (scan_omp_parallel): Do not create child functions for phony
4222 (check_omp_nesting_restrictions): Handle GIMPLE_OMP_GRID_BODY.
4223 (scan_omp_1_op): Checking assert we are not remapping to
4224 ERROR_MARK. Also also handle GIMPLE_OMP_GRID_BODY.
4225 (parallel_needs_hsa_kernel_p): New function.
4226 (expand_parallel_call): Register apprpriate parallel child
4227 functions as HSA kernels.
4228 (grid_launch_attributes_trees): New type.
4229 (grid_attr_trees): New variable.
4230 (grid_create_kernel_launch_attr_types): New function.
4231 (grid_insert_store_range_dim): Likewise.
4232 (grid_get_kernel_launch_attributes): Likewise.
4233 (get_target_argument_identifier_1): Likewise.
4234 (get_target_argument_identifier): Likewise.
4235 (get_target_argument_value): Likewise.
4236 (push_target_argument_according_to_value): Likewise.
4237 (get_target_arguments): Likewise.
4238 (expand_omp_target): Call get_target_arguments instead of looking
4239 up for teams and thread limit.
4240 (grid_expand_omp_for_loop): New function.
4241 (grid_arg_decl_map): New type.
4242 (grid_remap_kernel_arg_accesses): New function.
4243 (grid_expand_target_kernel_body): New function.
4244 (expand_omp): Call it.
4245 (lower_omp_for): Do not emit phony constructs.
4246 (lower_omp_taskreg): Do not emit phony constructs but create for them
4247 a temporary variable receiver_decl.
4248 (lower_omp_taskreg): Do not emit phony constructs.
4249 (lower_omp_teams): Likewise.
4250 (lower_omp_grid_body): New function.
4251 (lower_omp_1): Call it.
4252 (grid_reg_assignment_to_local_var_p): New function.
4253 (grid_seq_only_contains_local_assignments): Likewise.
4254 (grid_find_single_omp_among_assignments_1): Likewise.
4255 (grid_find_single_omp_among_assignments): Likewise.
4256 (grid_find_ungridifiable_statement): Likewise.
4257 (grid_target_follows_gridifiable_pattern): Likewise.
4258 (grid_remap_prebody_decls): Likewise.
4259 (grid_copy_leading_local_assignments): Likewise.
4260 (grid_process_kernel_body_copy): Likewise.
4261 (grid_attempt_target_gridification): Likewise.
4262 (grid_gridify_all_targets_stmt): Likewise.
4263 (grid_gridify_all_targets): Likewise.
4264 (execute_lower_omp): Call grid_gridify_all_targets.
4265 (make_gimple_omp_edges): Handle GIMPLE_OMP_GRID_BODY.
4266 * tree-core.h (omp_clause_code): Added OMP_CLAUSE__GRIDDIM_.
4267 (tree_omp_clause): Added union field dimension.
4268 * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE__GRIDDIM_.
4269 * tree.c (omp_clause_num_ops): Added number of arguments of
4270 OMP_CLAUSE__GRIDDIM_.
4271 (omp_clause_code_name): Added name of OMP_CLAUSE__GRIDDIM_.
4272 (walk_tree_1): Handle OMP_CLAUSE__GRIDDIM_.
4273 * tree.h (OMP_CLAUSE_GRIDDIM_DIMENSION): New.
4274 (OMP_CLAUSE_SET_GRIDDIM_DIMENSION): Likewise.
4275 (OMP_CLAUSE_GRIDDIM_SIZE): Likewise.
4276 (OMP_CLAUSE_GRIDDIM_GROUP): Likewise.
4277 * passes.def: Schedule pass_ipa_hsa and pass_gen_hsail.
4278 * tree-pass.h (make_pass_gen_hsail): Declare.
4279 (make_pass_ipa_hsa): Likewise.
4280 * ipa-hsa.c: New file.
4281 * lto-section-in.c (lto_section_name): Add hsa section name.
4282 * lto-streamer.h (lto_section_type): Add hsa section.
4283 * timevar.def (TV_IPA_HSA): New.
4284 * hsa-brig-format.h: New file.
4285 * hsa-brig.c: New file.
4286 * hsa-dump.c: Likewise.
4287 * hsa-gen.c: Likewise.
4290 * toplev.c (compile_file): Call hsa_output_brig.
4291 * hsa-regalloc.c: New file.
4293 2016-01-18 Jeff Law <law@redhat.com>
4295 PR tree-optimization/69320
4296 * tree-ssa-dom.c (record_edge_info): For comparisons against a boolean
4297 ranged object, do nothing if the RHS constant is not [0..1].
4298 (optimize_stmt): Comparing a boolean ranged object against a
4299 constant outside [0..1] results in a compile-time constant.
4301 * tree-ssanames.c (ssa_name_has_boolean_range): Remove unnecessary
4304 2016-01-18 Sandra Loosemore <sandra@codesourcery.com>
4306 * doc/invoke.texi (Invoking GCC): Add new section to menu.
4307 (Option Summary): Update to reflect new section and moved options.
4308 (C++ Dialect Options): Move -fstats to new section.
4309 (Debugging Options): Move all dump, statistics, and other GCC
4310 developer options to new section. Rewrite section introduction
4311 and re-order remaining options to put the more basic ones first.
4312 (Optimization Options): Move -fira-verbose and -flto-report* to
4314 (Developer Options): New section incorporating moved options.
4315 * doc/cppopts.texi (-dM): Update cross-reference.
4317 2016-01-18 Richard Henderson <rth@redhat.com>
4320 * config/aarch64/aarch64.md (add<GPI>3): Move long immediate
4321 operands to pseudo only if CSE is expected. Split long immediate
4322 operands only after reload, and for the stack pointer.
4323 (*add<GPI>3_pluslong): Remove.
4324 (*addsi3_aarch64, *adddi3_aarch64): Merge into...
4325 (*add<GPI>3_aarch64): ... here. Add r/rk/Upl alternative.
4326 (*addsi3_aarch64_uxtw): Add r/rk/Upl alternative.
4327 (*add<GPI>3 peepholes): New.
4328 (*add<GPI>3 splitters): New.
4329 * config/aarch64/constraints.md (Upl): New.
4330 * config/aarch64/predicates.md (aarch64_pluslong_strict_immedate): New.
4332 2016-01-18 Richard Biener <rguenther@suse.de>
4334 PR tree-optimization/69297
4335 * tree-vect-slp.c (vect_bb_slp_scalar_cost): Count each scalar
4337 (vect_bb_vectorization_profitable_p): Clear visited flag again.
4339 2016-01-18 Yuri Rumyantsev <ysrumyan@gmail.com>
4342 * fold-const.c (fold_binary_op_with_conditional_arg): Bail out for case
4343 of mixind vector and scalar types.
4344 (fold_relational_const): Add handling of vector
4345 comparison with boolean result.
4346 * tree-cfg.c (verify_gimple_comparison): Add argument CODE, allow
4347 comparison of vector operands with boolean result for EQ/NE only.
4348 (verify_gimple_assign_binary): Adjust call for verify_gimple_comparison.
4349 (verify_gimple_cond): Likewise.
4350 * tree-vrp.c (extract_code_and_val_from_cond_with_ops): Modify check on
4353 2016-01-18 Joseph Myers <joseph@codesourcery.com>
4355 * config/mips/mips.h (ISA_HAS_PAIRED_SINGLE): Require
4358 2016-01-18 Richard Biener <rguenther@suse.de>
4361 * gimple.c (gimple_could_trap_p_1): Handle GIMPLE_COND.
4363 2016-01-18 Tom de Vries <tom@codesourcery.com>
4365 * passes.def: Add pass_parallelize_loops to pass_oacc_kernels.
4367 2016-01-18 Tom de Vries <tom@codesourcery.com>
4369 * omp-low.c (set_oacc_fn_attrib): Make extern.
4370 * omp-low.h (set_oacc_fn_attrib): Declare.
4371 * tree-parloops.c (struct reduction_info): Add reduc_addr field.
4372 (create_call_for_reduction_1): Handle case that reduc_addr is non-NULL.
4373 (create_parallel_loop, gen_parallel_loop, try_create_reduction_list):
4374 Add and handle function parameter oacc_kernels_p.
4375 (find_reduc_addr, get_omp_data_i_param): New function.
4376 (ref_conflicts_with_region, oacc_entry_exit_ok_1)
4377 (oacc_entry_exit_single_gang, oacc_entry_exit_ok): New function.
4378 (parallelize_loops): Add and handle function parameter oacc_kernels_p.
4379 Calculate dominance info. Skip loops that are not in a kernels region
4380 in oacc_kernels_p mode. Skip inner loops of parallelized loops.
4381 (pass_parallelize_loops::execute): Call parallelize_loops with
4382 oacc_kernels_p argument.
4383 (pass_parallelize_loops::clone, pass_parallelize_loops::set_pass_param):
4384 New member function.
4385 (pass_parallelize_loops::bool oacc_kernels_p): New member var.
4386 * passes.def: Add argument to pass_parallelize_loops instantation.
4388 2016-01-18 Tom de Vries <tom@codesourcery.com>
4390 * tree-parloops.c (pass_parallelize_loops::execute): Allow
4391 pass_parallelize_loops to be run outside the loop pipeline.
4393 2016-01-18 Alan Lawrence <alan.lawrence@arm.com>
4395 * tree-scalar-evolution.c (follow_copies_to_constant): New.
4396 (analyze_initial_condition, analyze_scalar_evolution_1): Call previous.
4398 2016-01-18 Alan Lawrence <alan.lawrence@arm.com>
4401 * tree-ssa-scopedtables.c (avail_expr_hash): Hash MEM_REF and ARRAY_REF
4402 using get_ref_base_and_extent.
4403 (equal_mem_array_ref_p): New.
4404 (hashable_expr_equal_p): Add call to previous.
4406 2016-01-18 Alan Lawrence <alan.lawrence@arm.com>
4409 * tree-sra.c (disqualified_constants, constant_decl_p): New.
4410 (sra_initialize): Allocate disqualified_constants.
4411 (sra_deinitialize): Free disqualified_constants.
4412 (disqualify_candidate): Update disqualified_constants when appropriate.
4413 (create_access): Scan for constant-pool entries as we go along.
4414 (scalarizable_type_p): Add check against type_contains_placeholder_p.
4415 (maybe_add_sra_candidate): Allow constant-pool entries.
4416 (load_assign_lhs_subreplacements): Bind debug for constant pool vars.
4417 (initialize_constant_pool_replacements): New.
4418 (sra_modify_assign): Avoid mangling assignments created by previous,
4419 and don't generate writes into constant pool.
4420 (sra_modify_function_body): Call initialize_constant_pool_replacements.
4422 2016-01-18 Ilya Enkovich <enkovich.gnu@gmail.com>
4424 * config/i386/i386.c (scalar_to_vector_candidate_p): Support
4426 (scalar_chain::convert_op): Likewise.
4427 * config/i386/i386.md (*andndi3_doubleword): New.
4429 2016-01-18 Richard Biener <rguenther@suse.de>
4431 PR tree-optimization/69170
4432 * tree-vect-slp.c (vect_build_slp_tree): Verify we are not
4433 building a vector from scalar results of a pattern stmt.
4435 2016-01-18 Jakub Jelinek <jakub@redhat.com>
4437 * haifa-sched.c (autopref_multipass_init): Work around
4438 -Wmaybe-uninitialized warning.
4440 2016-01-18 Thomas Preud'homme <thomas.preudhomme@arm.com>
4442 * config/arm/arm.c (thumb1_reorg): Check that the comparison is
4443 against the constant 0.
4445 2016-01-17 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
4447 PR tree-optimization/68799
4448 * gimple-ssa-strength-reduction.c (create_phi_basis): Directly
4449 look up phi candidates in the statement-candidate map.
4450 (phi_add_costs): Likewise.
4451 (record_phi_increments): Likewise.
4452 (phi_incr_cost): Likewise.
4453 (ncd_with_phi): Likewise.
4454 (all_phi_incrs_profitable): Likewise.
4456 2016-01-17 Jakub Jelinek <jakub@redhat.com>
4458 * omp-low.c (mark_loops_in_oacc_kernels_region): Work around
4459 -Wmaybe-uninitialized warning.
4461 2016-01-16 Sandra Loosemore <sandra@codesourcery.com>
4463 * doc/invoke.texi (Invoking GCC): Add new section to menu.
4464 (Option Summary): Update to reflect new section and moved options.
4465 (C++ Dialect Options): Move -fvtable-verify and related options.
4466 (Debugging Options): Move Sanitizer, Pointer Bounds Checker,
4467 and profiling-related options.
4468 (Optimization Options): Move profile generation options and
4469 -fstack-protector and related options.
4470 (Instrumentation Options): New section incorporating moved options.
4471 (Code Generation Options): Move -finstrument-functions and
4472 related options, -fstack-check, -fstack-limit*, and -fbounds-check.
4474 2016-01-16 Tom de Vries <tom@codesourcery.com>
4476 * passes.def: Move pass_expand_omp_ssa out of pass_parallelize_loops.
4478 2016-01-16 Tom de Vries <tom@codesourcery.com>
4480 * omp-low.c (expand_omp_atomic_fetch_op): Release defs of update stmt.
4482 2016-01-16 Richard Sandiford <richard.sandiford@arm.com>
4484 * hash-table.h (hash_table::empty): Turn into an inline wrapper
4485 that checks whether the table is already empty. Rename the
4486 original implementation to...
4487 (hash_table::empty_slot): ...this new private function.
4489 2016-01-15 David Malcolm <dmalcolm@redhat.com>
4492 * diagnostic-show-locus.c (layout::print_source_line): Move x
4493 offset of line until after call to
4494 get_line_width_without_trailing_whitespace.
4496 2016-01-15 Jeff Law <law@redhat.com>
4498 PR tree-optimization/69270
4499 * tree-ssanames.c (ssa_name_has_boolean_range): Moved here from
4500 tree-ssa-dom.c. Improve test for [0..1] ranve from VRP.
4501 * tree-ssa-dom.c (ssa_name_has_boolean_range): Remove.
4502 * tree-ssanames.h (ssa_name_has_boolean_range): Prototype.
4503 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
4504 ssa_name_has_boolean_range and constant_boolean_node.
4506 2016-01-15 Vladimir Makarov <vmakarov@redhat.com>
4508 PR rtl-optimization/69030
4509 * lra-spills.c (remove_pseudos): Check nrefs and make the function
4511 (spill_pseudos): Delete debug insn for dead pseudo.
4512 (lra_spill): Initiate spill_hard_reg and slots memory separately.
4514 2016-01-15 Jiong Wang <jiong.wang@arm.com>
4516 * config/aarch64/aarch64-builtins.c (aarch64_types_unopus_qualifiers):
4518 (TYPES_UNOPUS): Likewise.
4519 * config/aarch64/aarch64-simd-builtins.def (lbtruncuv2sf): Correct
4520 builtin type, from UNOP to UNOPUS.
4521 (lbtruncuv4sf): Likewise.
4522 (lbtruncuv2df): Likewise.
4523 (lrounduv2sf): Likewise.
4524 (lrounduv4sf): Likewise.
4525 (lrounduv2df): Likewise.
4526 (lroundusf): Likewise.
4527 (lroundusf): Likewise.
4528 (lceiluv2sf): Likewise.
4529 (lceiluv4sf): Likewise.
4530 (lceiluv2df): Likewise.
4531 (lceilusf): Likewise.
4532 (lceiludf): Likewise.
4533 (lflooruv2sf): Likewise.
4534 (lflooruv4sf): Likewise.
4535 (lflooruv2df): Likewise.
4536 (lfloorusf): Likewise.
4537 (lfloorudf): Likewise.
4538 (lfrintnuv2sf): Likewise.
4539 (lfrintnuv4sf): Likewise.
4540 (lfrintnuv2df): Likewise.
4541 (lfrintnusf): Likewise.
4542 (lfrintnudf): Likewise.
4543 * config/aarch64/arm_neon.h (vcvt_u32_f32): Remove unncessary type
4545 (vcvtq_u32_f32): Likewise.
4546 (vcvtq_u64_f64): Likewise.
4547 (vcvta_u32_f32): Likewise.
4548 (vcvtaq_u32_f32): Likewise.
4549 (vcvtaq_u64_f64): Likewise.
4550 (vcvtm_u32_f32): Likewise.
4551 (vcvtmq_u32_f32): Likewise.
4552 (vcvtmq_u64_f64): Likewise.
4553 (vcvtn_u32_f32): Likwise.
4554 (vcvtnq_u32_f32): Likewise.
4555 (vcvtnq_u64_f64): Likewise.
4556 (vcvtp_u32_f32): Likewise.
4557 (vcvtpq_u32_f32): Likewise.
4558 (vcvtpq_u64_f64): Likewise.
4559 (vcvtmd_u64_f64): Likewise.
4560 (vcvtms_u32_f32): Likewise.
4561 (vcvtad_u64_f64): Likewise.
4562 (vcvtas_u32_f32): Likewise.
4563 (vcvtnd_u64_f64): Likewise.
4564 (vcvtns_u32_f32): Likewise.
4565 (vcvtpd_u64_f64): Likewise.
4566 (vcvtps_u32_f32): Likewise.
4568 2016-01-15 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
4570 * config/aarch64/aarch64.c (aarch64_if_then_else_costs): Handle
4571 CSEL of zero_extended registers.
4573 2016-01-15 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
4575 * config/aarch64/aarch64.c (aarch64_rtx_costs, COMPARE case):
4576 Handle COMPARE of ZERO_EXTRACT against zero form of TST-immediate.
4578 2016-01-15 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
4580 * config/aarch64/aarch64.c (aarch64_process_one_target_attr): Return
4581 false when argument string is not found in the attributes table
4584 2016-01-15 David Edelsohn <dje.gcc@gmail.com>
4587 * config/rs6000/rs6000.c (rs6000_emit_msub): Delete.
4588 (rs6000_emit_swsqrt): Convert to Goldschmidt's Algorithm
4589 * config/rs6000/rs6000.md (sqrt<mode>2): Limit swsqrt to high
4592 2016-01-15 Richard Biener <rguenther@suse.de>
4594 PR tree-optimization/66856
4595 * tree-vect-loop.c (vect_transform_loop): Free SLP instances here.
4596 * tree-vect-slp.c (vect_free_slp_tree): Decrement stmt reference count.
4597 (vect_create_new_slp_node): Increment stmt reference count.
4598 (vect_get_and_check_slp_defs): Make sure stmts are nor already in
4599 an SLP tree before swapping operands.
4600 (vect_build_slp_tree): Likewise.
4601 (destroy_bb_vec_info): Free stmt info after SLP instances.
4602 * tree-vect-stmts.c (new_stmt_vec_info): Initialize reference count.
4603 * tree-vectorizer.h (struct _stmt_vec_info): Add num_slp_uses field.
4604 (STMT_VINFO_NUM_SLP_USES): New macro.
4606 2016-01-15 Richard Biener <rguenther@suse.de>
4609 * dwarf2out.c (add_linkage_name_raw): New function split out from ...
4610 (add_linkage_name): ... here.
4611 (gen_typedef_die): Use add_linkage_name_raw instead of
4612 add_linkage_attr to delay DECL_ASSEMBLER_NAME computation
4615 2016-01-15 Cesar Philippidis <cesar@codesourcery.com>
4617 * gimplify.c (oacc_default_clause): Decode reference and pointer
4618 types for both kernels and parallel regions.
4620 2016-01-15 Richard Sandiford <richard.sandiford@arm.com>
4623 * calls.c (emit_call_1): Force n_popped to zero for sibcalls.
4625 2016-01-15 Ilya Enkovich <enkovich.gnu@gmail.com>
4627 * config/i386/i386.c (scalar_chain::compute_convert_gain): Fix typo.
4628 (convert_scalars_to_vector): Likewise.
4630 2016-01-15 Jonathan Wakely <jwakely@redhat.com>
4632 * doc/extend.texi (Type Traits): Fix grammar.
4634 2016-01-15 Martin Jambor <mjambor@suse.cz>
4636 * tree-inline.c (remap_decl): Use existing dclarations if
4637 remapping a type and prevent_decl_creation_for_types.
4638 (replace_locals_stmt): Do an initial remapping of non-VLA typed
4639 decls first. Do real remapping with
4640 prevent_decl_creation_for_types set.
4641 * tree-inline.h (copy_body_data): New field
4642 prevent_decl_creation_for_types, moved remap_var_for_cilk to avoid
4645 2016-01-15 Dominik Vogt <vogt@linux.vnet.ibm.com>
4647 * config/s390/s390.opt (mmvcle): More verbose help text.
4649 2016-01-15 Dominik Vogt <vogt@linux.vnet.ibm.com>
4651 * config/s390/s390.opt: Add period to -mzvector option text.
4653 2016-01-15 Richard Biener <rguenther@suse.de>
4655 PR tree-optimization/68961
4656 * tree-vect-slp.c (vect_analyze_slp_cost_1): Consider cost
4657 of invariants in stores again.
4659 2016-01-15 Sebastian Huber <sebastian.huber@embedded-brains.de>
4661 * config/arm/t-rtems: Add cortex-m7/fpv5-d16 multilib.
4663 2016-01-15 Ilya Enkovich <enkovich.gnu@gmail.com>
4665 * config/i386/i386.c (ix86_expand_branch): Don't split
4666 DI mode xor instruction to SI mode.
4668 2016-01-15 Jan Hubicka <hubicka@ucw.cz>
4671 * ipa-icf.c (sem_function::merge): Virtual functions may become
4672 reachable even if they address is not taken and there are no
4675 2016-01-15 Jan Hubicka <hubicka@ucw.cz>
4677 * lto-streamer-out.c (subtract_estimated_size): New function.
4678 (get_symbol_initial_value): Use it.
4680 2016-01-15 Christian Bruel <christian.bruel@st.com>
4683 * config/arm/arm-builtins.c (ARM_BUILTIN_CRYPTO_BASE): New enum tag.
4684 (arm_init_neon_builtins_internal): Rename arm_init_neon_builtins,
4685 (arm_init_crypto_builtins_internal): Rename arm_init_crypto_builtins.
4686 use add_builtin_function_ext_scope instead of add_builtin_function.
4687 (neon_set_p, neon_crypto_set_p): Remove.
4688 (arm_init_builtins): Always call arm_init_neon_builtins and
4689 arm_init_crypto_builtins.
4690 (arm_expand_builtin): Check that builtins are allowed for the arch.
4691 * config/arm/arm-protos.h (arm_init_neon_builtins): Remove prototype.
4692 * config/arm/arm.c (arm_valid_target_attribute_tree): Remove
4693 arm_init_neon_builtins call.
4695 2016-01-15 Richard Biener <rguenther@suse.de>
4697 PR tree-optimization/69117
4698 * tree-ssa-sccvn.h (struct vn_ssa_aux): Add info member.
4699 * tree-ssa-sccvn.c (set_ssa_val_to): Save and adjust SSA name info
4700 of the leader conservatively.
4701 (free_scc_vn): Restore original SSA name infos.
4703 2016-01-14 Jeff Law <law@redhat.com>
4705 PR tree-optimization/69270
4706 * tree-ssa-dom.c (ssa_name_has_boolean_range): If the type has a
4707 single bit of precision, verify it's also unsigned.
4708 (record_edge_info): Use constant_boolean_node rather than fold_convert
4709 to convert boolean_true/boolean_false to the right type.
4711 2016-01-14 Richard Henderson <rth@redhat.com>
4714 * loop-doloop.c (record_reg_sets): New.
4715 (doloop_optimize): Reject the transform if the sequence
4716 clobbers registers live at the end of the loop block.
4717 (doloop_optimize_loops): Enable df_live if needed.
4719 2016-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
4721 * config/rs6000/rs6000-builtin.def: Revert 2016-01-13 change.
4722 * gcc/config/rs6000/rs6000.c: Likewise.
4723 * gcc/config/rs6000/rs6000.h: Likewise.
4724 * gcc/config/rs6000/rs6000.md: Likewise.
4725 * gcc/doc/extend.texi: Likewsie.
4727 2016-01-14 Jeff Law <law@redhat.com>
4729 * tree-ssa-dom.c (ssa_name_has_boolean_range): Fix comment
4732 2016-01-14 Richard Henderson <rth@redhat.com>
4736 * trans-mem.c (tm_log_emit_stmt): Fix unit size to bit size.
4737 * tree.c (build_tm_vector_builtins): Use builtin_decl_explicit_p
4738 instead of builtin_decl_declared_p to test for declaration.
4740 2016-01-14 Nicklas Bo Jensen <nbjensen@gmail.com>
4742 * doc/loop.texi (Loop Analysis and Representation): Document
4743 loop_depth function.
4745 2016-01-14 Tom de Vries <tom@codesourcery.com>
4747 PR tree-optimization/68773
4748 * omp-low.c (expand_omp_target): Don't set force_output.
4749 * varpool.c (varpool_node::get_create): Same.
4750 * lto-cgraph.c (input_offload_tables): Mark entries in offload_vars and
4751 offload_funcs with force_output.
4753 2016-01-14 Jakub Jelinek <jakub@redhat.com>
4756 * lra-eliminations.c (move_plus_up): Don't change anything if either
4757 the outer or inner subreg mode is not MODE_INT.
4758 * dwarf2out.c (mem_loc_descriptor): For SUBREG, if outer mode is
4759 integral <= DWARF2_ADDR_SIZE, convert to untyped afterwards.
4761 2016-01-14 Alan Lawrence <alan.lawrence@arm.com>
4763 * doc/md.texi (reduc_smin_@var{m}, reduc_smax_@var{m},
4764 reduc_umin_@var{m}, reduc_umax_@var{m}, reduc_splus_@var{m},
4765 reduc_uplus_@var{m}): Remove.
4766 * expr.c (expand_expr_real_2): Remove expansion path for
4767 reduc_[us](min|max|plus) optabs.
4768 * optabs-tree.c (scalar_reduc_to_vector): Remove.
4769 * optabs-tree.h (scalar_reduc_to_vector): Remove.
4770 * optabs.def (reduc_smax_optab, reduc_smin_optab, reduc_splus_optab,
4771 reduc_umax_optab, reduc_umin_optab, reduc_uplus_optab): Remove.
4772 * tree-vect-loop.c (vectorizable_reduction): Remove test for
4773 reduc_[us](min|max|plus) optabs.
4775 2016-01-14 Alan Lawrence <alan.lawrence@arm.com>
4777 * config/mips/mips-ps-3d.md (reduc_splus_v2sf): Remove.
4778 (reduc_plus_scal_v2sf): New.
4779 (reduc_smax_v2sf): Rename to...
4780 (reduc_smax_scal_v2sf): ...here, make result SFmode, add vec_extract.
4781 (reduc_smin_v2sf): Rename to...
4782 (reduc_smin_scal_v2sf): ...here, make result SFmode, add vec_extract.
4784 2016-01-14 Jan Hubicka <hubicka@ucw.cz>
4786 * alias.c (compare_base_symbol_refs): New function.
4787 (rtx_equal_for_memref_p, base_alias_check, memrefs_conflict_p): Use
4790 2016-01-14 Jakub Jelinek <jakub@redhat.com>
4793 PR tree-optimization/69155
4794 * tree-complex.c: Include cfganal.h.
4795 (phis_to_revisit): New variable.
4796 (extract_component): Add phiarg_p argument. Assert that returned
4797 SSA_NAME has non-NULL SSA_NAME_DEF_STMT unless phiarg_p is true.
4798 (update_phi_components): Partly rewrite to use loop over real/imag
4799 components instead of code duplication. If extract_component returns
4800 SSA_NAME with NULL SSA_NAME_DEF_STMT, store SSA_NAME_VAR or
4801 create_tmp_reg into the PHI node instead, and mention the phi triplet
4803 (tree_lower_complex): Walk bbs in rpo order. Adjust phis recorded
4804 in phis_to_revisit at the end.
4806 2016-01-14 Richard Biener <rguenther@suse.de>
4808 PR tree-optimization/68060
4809 * tree-vect-loop.c (vect_is_simple_reduction): Check the
4810 outer loop reduction is only used in the inner loop before
4811 detecting a double reduction.
4813 2016-01-14 Jakub Jelinek <jakub@redhat.com>
4816 * combine.c (expand_field_assignment): Punt if compute_mode is
4817 unsupported scalar mode.
4819 2016-01-14 Richard Biener <rguenther@suse.de>
4821 PR tree-optimization/66856
4822 * tree-vect-slp.c (vect_build_slp_tree): Refactor to build
4823 SLP node only if it built successfully.
4824 (vect_analyze_slp_instance): Adjust.
4826 2016-01-14 Jeff Law <law@redhat.com>
4828 PR tree-optimization/69270
4829 * tree-ssa-dom.c (ssa_name_has_boolean_range): New function.
4830 (record_edge_info): Use it. Convert boolean_{true,false}_node
4833 2016-01-13 Jan Hubicka <hubicka@ucw.cz>
4836 * ipa-polymorphic-call.c (inlined_polymorphic_ctor_dtor_block_p):
4837 use block_ultimate_origin
4838 (noncall-stmt_may_be_vtbl_ptr_store): Likewise.
4840 2016-01-13 Sandra Loosemore <sandra@codesourcery.com>
4842 * doc/invoke.texi (Submodel Options): Rename section to
4843 "Machine-Dependent Options" to better reflect its content.
4844 Rewrite introductory text to remove archaic CPU names.
4847 2016-01-13 Sandra Loosemore <sandra@codesourcery.com>
4849 * doc/invoke.texi (Code Gen Options): Move section up in file,
4850 before target-specific options. Update menu and option summary
4851 to reflect the new section ordering.
4853 2016-01-13 Jonathan Wakely <jwakely@redhat.com>
4855 * doc/invoke.texi (C Dialect Options): Adjust -std default for C++.
4856 (C++ Dialect Options): Add cross-reference to -std option.
4857 * doc/standards.texi (C++ Language): Document C++14 support.
4859 2016-01-13 Michael Meissner <meissner@linux.vnet.ibm.com>
4861 * config/rs6000/rs6000-builtin.def (BU_FLOAT128_2): Add support
4862 for pack/unpack functions for __ibm128.
4863 (PACK_IF): Likewise.
4864 (UNPACK_IF): Likewise.
4866 * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Add
4867 support for __ibm128 pack/unpack functions.
4868 (rs6000_invalid_builtin): Likewise.
4869 (rs6000_init_builtins): Likewise.
4870 (rs6000_opt_masks): Likewise.
4872 * config/rs6000/rs6000.h (MASK_FLOAT128): Add short name.
4873 (RS6000_BTM_FLOAT128): Add support for __ibm128 pack/unpack
4875 (RS6000_BTM_COMMON): Likewise.
4877 * config/rs6000/rs6000.md (f128_vsx): New mode attribute.
4878 (unpack<mode>): Use FMOVE128_FPR iterator instead of FMOVE128, to
4879 disallow __builtin_{pack,unpack}_longdouble if long double is IEEE
4880 128-bit floating point. Add support for the double values to be
4881 in Altivec registers for TF/IF packing and unpacking, but restrict
4882 TD packing sub-fields to be FPR registers. Don't allow overlapped
4883 register support for packing. Allow pack inputs to be memory
4884 locations. Don't build generator functions for unpack<mode>_dm
4885 and unpack<mode>_nodm.
4886 (unpack<mode>_dm): Likewise.
4887 (unpack<mode>_nodm): Likewise.
4888 (pack<mode>): Likewise.
4890 * config/rs6000/rs6000-builtin.def (__builtin_pack_ibm128): Add
4891 built-in functions to pack/unpack explicit __ibm128 values.
4892 (__builtin_unpack_ibm128): Likewise.
4894 * doc/extend.texi (PowerPC Built-in Functions): Document
4895 __builtin_pack_ibm128 and __builtin_unpack_ibm128.
4897 2016-01-13 Bernd Schmidt <bschmidt@redhat.com>
4900 * c-common.c (check_function_nonnull): Remove unnecessary declaration.
4901 Add new arg loc and pass it down as context.
4902 (check_nonnull_arg): Don't mark ctx arg as unused. Use it as a pointer
4903 to the location to use for the warning.
4904 (check_function_arguments): New arg loc. All callers changed. Pass
4905 it to check_function_nonnull.
4906 * c-common.h (check_function_arguments): Adjust declaration.
4908 2016-01-13 Jakub Jelinek <jakub@redhat.com>
4910 PR tree-optimization/69156
4911 * gimple.c (validate_type): Removed.
4912 (gimple_builtin_call_types_compatible_p): Use
4913 useless_type_conversion_p instead of validate_type.
4914 * value-prof.c (gimple_stringop_fixed_value): Fold
4915 icall_size to correct type.
4917 2016-01-13 Jonathan Wakely <jwakely@redhat.com>
4919 * doc/extend.texi (__atomic Builtins): Clarify compare_exchange
4922 2016-01-13 Richard Henderson <rth@redhat.com>
4925 * target.def (builtin_tm_load, builtin_tm_store): Remove.
4926 * config/i386/i386.c (ix86_builtin_tm_load): Remove.
4927 (ix86_builtin_tm_store): Remove.
4928 (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
4929 (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
4930 * doc/tm.texi.in (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
4931 (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
4932 * doc/tm.texi: Rebuild.
4934 * gtm-builtins.def (BUILT_IN_TM_MEMCPY_RNWT): New.
4935 (BUILT_IN_TM_MEMCPY_RTWN): New.
4936 * trans-mem.c (tm_log_emit_stmt): Rearrange code for better
4937 fallback from vector to integer helpers.
4938 (build_tm_load): Handle vector types directly, instead of
4940 (build_tm_store): Likewise.
4941 (expand_assign_tm): Prepare for register types not handled by
4942 the above. Copy them to memory and use memcpy.
4943 * tree.c (tm_define_builtin): New.
4944 (find_tm_vector_type): New.
4945 (build_tm_vector_builtins): New.
4946 (build_common_builtin_nodes): Call it.
4948 2016-01-13 Uros Bizjak <ubizjak@gmail.com>
4950 * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Return -1 for
4951 TARGET_SSE_MATH without TARGET_SSE2. Rewrite.
4953 2016-01-13 Tom de Vries <tom@codesourcery.com>
4955 PR tree-optimization/69169
4956 * tree-ssa-structalias.c (create_variable_info_for_1): Add and handle
4957 handled_struct_type param.
4958 (create_variable_info_for, intra_create_variable_infos): Call
4959 create_variable_info_for_1 with extra arg.
4961 2016-01-13 Yvan Roux <yvan.roux@linaro.org>
4963 * config/arm/arm-arches.def: Remove spurious whitespace in "armv8.1-a"
4964 and "armv8.1-a+crc" entries.
4966 2016-01-13 Alexander Fomin <alexander.fomin@intel.com>
4969 * config/i386/sse.md (define_expand "avx512pf_gatherpf<mode>sf"):
4970 Change first operand predicate from register_or_constm1_operand
4971 to register_operand.
4972 (define_expand "avx512pf_gatherpf<mode>df"): Likewise.
4973 (define_expand "avx512pf_scatterpf<mode>sf"): Likewise.
4974 (define_expand "avx512pf_scatterpf<mode>df"): Likewise.
4975 (define_insn "*avx512pf_gatherpf<mode>sf"): Remove.
4976 (define_insn "*avx512pf_gatherpf<mode>df"): Likewise.
4977 (define_insn "*avx512pf_scatterpf<mode>sf"): Likewise.
4978 (define_insn "*avx512pf_scatterpf<mode>df"): Likewise.
4979 * config/i386/i386.c (ix86_expand_builtin): Remove first operand
4980 comparison with constm1_rtx from vec_prefetch_gen part.
4982 2016-01-13 Richard Biener <rguenther@suse.de>
4984 PR tree-optimization/69013
4985 * tree-ssa-uninit.c (prune_uninit_phi_opnds_in_unrealizable_paths):
4986 Exchange assert for a test.
4988 2016-01-13 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
4991 * config/s390/s390.md (bswaphi splitter): Use simplify_gen_subreg.
4993 2016-01-13 Richard Biener <rguenther@suse.de>
4995 PR tree-optimization/69242
4996 * tree-ssa-sccvn.c (visit_reference_op_load): Replace bogus
4997 assert with a check.
4999 2016-01-13 Richard Biener <rguenther@suse.de>
5001 PR tree-optimization/69186
5002 * tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
5003 Properly guard vect_update_misalignment_for_peel call.
5005 2016-01-12 Jeff Law <law@redhat.com>
5007 PR tree-optimization/pr67755
5008 * tree-ssa-threadupdate.c (struct ssa_local_info_t): Add new field
5009 "need_profile_correction".
5010 (thread_block_1): Initialize new field to false by default. If we
5011 have multiple thread paths through a common joiner to different
5012 final targets, then set new field to true.
5013 (compute_path_counts): Only do count adjustment when it's really
5016 2016-01-12 Sandra Loosemore <sandra@codesourcery.com>
5018 * doc/invoke.texi (Spec Files): Move section down in file, past
5019 all command-line option descriptions.
5021 2016-01-12 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
5024 * doc/gty.texi: Remove documentation of mark_hook.
5025 * gengtype.c (struct write_types_data): Remove code to support
5026 mark_hook attribute.
5027 (walk_type): Likewise.
5028 (write_func_for_structure): Likewise.
5030 2016-01-12 Sandra Loosemore <sandra@codesourcery.com>
5032 * doc/invoke.texi (Option Summary) Move -no-canonical-prefixes to
5033 Directory Options, and -specs= to Overall Options.
5034 (Overall Options): Adjust similarly. Reorder to group related
5035 options together. Make -specs= cross-reference the spec file details.
5036 (Directory Options): Adjust similarly.
5038 2016-01-12 Jeff Law <law@redhat.com>
5040 * tree-ssa-threadupdate.c: Various whitespace and typo fixes.
5042 2016-01-12 Olivier Hainque <hainque@adacore.com>
5044 * gcc.c (spec_undefvar_allowed): New global.
5045 (process_command): Set to true when running for --version or --help,
5047 (getenv_spec_function): When the variable is not defined, use the
5048 variable name as the variable value if we're allowed not to issue
5051 2016-01-12 Bin Cheng <bin.cheng@arm.com>
5053 PR tree-optimization/68911
5054 * tree-vrp.c (adjust_range_with_scev): Check overflow in range
5055 information computed for expression "init + nit * step".
5057 2016-01-12 Sandra Loosemore <sandra@codesourcery.com>
5059 * doc/invoke.texi (Invoking GCC): Copy-edit. Incorporate information
5060 about name of GCC executable. Remove deleted node from menu.
5061 (Directory Options) <-B>: Remove cross-reference to deleted node.
5062 (Target Options): Delete section.
5064 2016-01-12 Christian Bruel <christian.bruel@st.com>
5067 * config/arm/arm-c.c (arm_pragma_target_parse): Set NODE_CONDITIONAL
5068 for __ARM_NEON_FP, __ARM_FP, _ARM_FEATURE_LDREX.
5070 2016-01-12 Jakub Jelinek <jakub@redhat.com>
5073 * config/i386/i386.c (ix86_expand_special_args_builtin): Ensure
5074 aligned_mem is properly set for AVX512-VL floating point masked
5078 * ifcvt.c (cond_exec_process_if_block): When removing the last
5079 insn from then_bb, remove also any possible barriers that follow it.
5081 2016-01-12 H.J. Lu <hongjiu.lu@intel.com>
5085 * config/i386/iamcu.h (SIZE_TYPE): New macro.
5086 (PTRDIFF_TYPE): Likewise.
5087 (WCHAR_TYPE): Likewise.
5088 (WCHAR_TYPE_SIZE): Likewise.
5089 (STDINT_LONG32): Likewise.
5091 2016-01-12 Richard Biener <rguenther@suse.de>
5093 PR tree-optimization/69053
5094 * tree-vect-loop.c (get_initial_def_for_reduction): Properly
5095 convert initial value for cond reductions.
5097 2016-01-12 Richard Biener <rguenther@suse.de>
5099 PR tree-optimization/69007
5100 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Move
5101 widen_sum after dot_prod and sad.
5103 2016-01-12 Richard Biener <rguenther@suse.de>
5105 PR tree-optimization/69168
5106 * tree-vect-loop.c (vect_analyze_loop_2): Reset both main and
5107 pattern stmt SLP type.
5108 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Patterns may
5109 end up unused so cope with that case.
5111 2016-01-12 Richard Biener <rguenther@suse.de>
5113 PR tree-optimization/69157
5114 * tree-vect-stmts.c (vectorizable_mask_load_store): Check
5115 stmts def type only during analyze phase.
5116 (vectorizable_call): Likewise.
5117 (vectorizable_simd_clone_call): Likewise.
5118 (vectorizable_conversion): Likewise.
5119 (vectorizable_assignment): Likewise.
5120 (vectorizable_shift): Likewise.
5121 (vectorizable_operation): Likewise.
5122 (vectorizable_store): Likewise.
5123 (vectorizable_load): Likewise.
5125 2016-01-12 Richard Biener <rguenther@suse.de>
5127 PR tree-optimization/69174
5128 * tree-vect-stmts.c (vect_mark_relevant): Remove excessive vertical
5130 (vectorizable_load): Properly compute the number of loads needed
5131 for permuted strided SLP loads and do not spuriously assign
5132 to SLP_TREE_VEC_STMTS.
5134 2016-01-12 Andris Pavenis <andris.pavenis@iki.fi>
5136 * config/i386/djgpp.h (PREFERRED_DEBUGGING_TYPE): Define to DWARF2
5137 (TARGET_ASM_OUTPUT_IDENT): Define to default_asm_output_ident_directive
5138 (MD_EXEC_PREFIX): Remove.
5139 (MD_STARTFILE_PREFIX) Removee.
5140 (FILE_NAME_ABSOLUTE_P): Remove.
5141 (CPP_SPEC): Do not read macros from sys/version.h.
5142 (LINK_COMMAND_SPEC): Remove.
5143 (LOCAL_INCLUDE_DIR): Remove.
5144 (TARGET_ASM_NAMED_SECTION): Define to i386_djgpp_asm_named_section
5145 (TARGET_OS_CPP_BUILTINS): Add DJGPP (non ISO only), __DJGPP, __DJGPP__, unix.
5146 (POST_LINK_SPEC): Define to invoke stubify after linker
5147 (LIBSTDCXX): Remove define
5148 (DBX_REGISTER_NUMBER): Define to svr4_dbx_register_map.
5149 (DEFAULT_PCC_STRUCT_RETURN): Define to 1.
5150 (SUBTARGET_OVERRIDE_OPTIONS): Remove warning about -mbnu2210.
5151 (SUBTARGET_OVERRIDE_OPTIONS): Ignore -fPIC and generate message.
5152 (SUBTARGET_OVERRIDE_OPTIONS): Default to DWARF2 debugging info.
5153 (IX86_MAYBE_NO_LIBGCC_TFMODE): Remove.
5154 (i386_djgpp_asm_named_section): Add propotype of new procedure
5156 * config/i386/xm-djgpp.h (NATIVE_SYSTEM_HEADER_DIR): Define.
5157 (MD_EXEC_PREFIX): Define (moved from config/i386/djgpp.h).
5158 (STANDARD_STARTFILE_PREFIX_1): Define (moved from MD_STARTFILE_PREFIX
5159 in config/i386/djgpp.h).
5160 (STANDARD_STARTFILE_PREFIX_2): Define identical to
5161 STANDARD_STARTFILE_PREFIX_1.
5162 (LOCAL_INCLUDE_DIR): Define (moved from config/i386/djgpp.h).
5163 (GCC_DRIVER_HOST_INITIALIZATION): Fix reporting fatal
5164 installation errors.
5165 (MAX_OFILE_ALIGNMENT): Define to 128.
5166 (HAVE_FTW_H): Undefine as DJGPP do not have nftw, but have ftw.h.
5168 * config/i386/djgpp.c: New file. Add implementation of
5169 i386_djgpp_asm_named_section.
5171 * config/i386/djgpp.opt: Remove obsolete option -mbnu210.
5173 * config/i386/t-djgpp: New file. Add djgpp.o to EXTRA_OBJS.
5174 Add rule for building djgpp.o.
5176 2016-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
5178 * config/rs6000/rs6000.c (v2df_reduction_p): New function.
5179 (rtx_is_swappable_p): Reductions are swappable.
5180 (insn_is_swappable_p): V2DF reductions are swappable.
5182 2016-01-11 John David Anglin <danglin@gcc.gnu.org>
5184 * config/pa/pa.c (pa_emit_move_sequence): Handle floating point
5185 reloads for other unsupported memory operands.
5187 2016-01-12 Kugan Vivekanandarajah <kuganv@linaro.org>
5188 Jim Wilson <jim.wilson@linaro.org>
5191 * config/arm/arm-builtins.c (arm_expand_neon_args): Call
5192 copy_to_mode_reg instead of force_reg.
5194 2016-01-11 H.J. Lu <hongjiu.lu@intel.com>
5197 * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Set to 2 only if
5198 TARGET_80387 is true.
5200 2016-01-11 Jakub Jelinek <jakub@redhat.com>
5203 * lra-eliminations.c (move_plus_up): Only move plus up
5204 if subreg of the constant can be simplified into constant
5205 and use the simplified subreg of the constant instead of
5206 the original constant.
5208 * fold-const.c (fold_convertible_p): Don't return true
5209 for conversion of VECTOR_TYPE to same sized integral type.
5210 (fold_convert_loc): Fix up formatting. Fold conversion of
5211 VECTOR_TYPE to same sized integral type using VIEW_CONVERT_EXPR
5212 instead of NOP_EXPR.
5214 PR tree-optimization/69214
5215 * tree-vrp.c (simplify_cond_using_ranges): Don't propagate
5216 innerop into a comparison if SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
5219 PR tree-optimization/69207
5220 * tree-vect-slp.c (vect_get_constant_vectors): For
5221 VECTOR_BOOLEAN_TYPE_P, assert op has integral type instead of
5222 fold_convertible_p to vector_type's element type, and always
5223 use VCE for non-VECTOR_BOOLEAN_TYPE_P.
5225 2016-01-11 Richard Biener <rguenther@suse.de>
5227 PR tree-optimization/69173
5228 * tree-vect-loop.c (vect_fixup_scalar_cycles_with_patterns): Only
5229 fixup the cycle if all stmts are in a pattern.
5231 2016-01-11 Uros Bizjak <ubizjak@gmail.com>
5234 * alias.c (base_alias_check): Move check for addresses with
5235 alignment ANDs before the call for compare_base_decls.
5236 (memrefs_conflict_p): Return -1 for different decls
5237 that went through alignment adjustments.
5239 2016-01-11 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
5241 PR rtl-optimization/68796
5242 * config/aarch64/aarch64.md (*and<mode>_compare0): New pattern.
5243 * config/aarch64/aarch64.c (aarch64_select_cc_mode): Handle HImode
5244 and QImode comparisons against zero with CC_NZmode.
5245 * config/aarch64/iterators.md (short_mask): New mode_attr.
5247 2016-01-11 H.J. Lu <hongjiu.lu@intel.com>
5249 * config/i386/sse.md (<avx512>_load<mode>_mask): Remove snprintf.
5250 (<avx512>_store<mode>_mask): Likewise.
5252 2016-01-11 Bernd Schmidt <bschmidt@redhat.com>
5253 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
5255 PR rtl-optimization/68841
5256 * ifcvt.c (struct noce_if_info): Add orig_x field.
5257 (bbs_ok_for_cmove_arith): Add to_rename parameter.
5258 Don't record conflicts on to_rename if it's present.
5259 Allow memory destinations in sets.
5260 (noce_try_cmove_arith): Call bbs_ok_for_cmove_arith even on simple
5261 blocks, passing orig_x to the checks.
5262 (noce_process_if_block): Set if_info->orig_x appropriately.
5264 2016-01-11 Tom de Vries <tom@codesourcery.com>
5266 PR tree-optimization/69069
5267 * tree-parloops.c (create_parallel_loop): Add missing phi args.
5269 2016-01-11 Yuri Rumyantsev <ysrumyan@gmail.com>
5271 PR rtl-optimization/68920
5272 * config/i386/i386.c (ix86_option_override_internal): Restrict number
5273 of conditional moves for RTL if-conversion to 1 for
5274 TARGET_ONE_IF_CONV_INSN.
5275 * config/i386/i386.h (TARGET_ONE_IF_CONV_INSN): New macros.
5276 * config/i386/x86-tune.def (X86_TUNE_ONE_IF_CONV_INSN): New macros.
5277 * params.def (PARAM_MAX_RTL_IF_CONVERSION_INSNS) : Introduce new
5278 parameter to restirct number of conditional moves for
5280 * doc/invoke.texi (max-rtl-if-conversion-insns): Document it.
5281 * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Limit number of
5284 2016-01-11 Alexandre Oliva <aoliva@redhat.com>
5287 * var-tracking.c (drop_overlapping_mem_locs): Operate on all
5288 onepart vars. Fix typo in comment. Fix reversed condition in
5290 (dataflow_set_remove_mem_locs): Operate on all onepart vars.
5293 * var-tracking.c (dump_onepart_variable_differences): New.
5294 (dataflow_set_different): If a detailed dump is requested,
5295 delay early returns and dump differences between onepart
5296 variables present before and after, and added variables.
5298 2016-01-11 Ilya Enkovich <enkovich.gnu@gmail.com>
5301 * expr.c (expand_expr_real_1): For boolean vector constants
5302 with a scalar mode use const_scalar_mask_from_tree.
5303 (const_scalar_mask_from_tree): New.
5304 * optabs.c (expand_vec_cond_mask_expr): Use mask mode
5305 assigned to a mask type to handle constants.
5307 2016-01-11 Martin Jambor <mjambor@suse.cz>
5310 * ipa-cp.c (estimate_local_effects): Do not clone for removal of
5311 useless parameters if we cannot change function signature.
5313 2016-01-11 Martin Jambor <mjambor@suse.cz>
5316 * cgraphclones.c (duplicate_thunk_for_node): Copy can_change_signature
5319 2016-01-11 Tom de Vries <tom@codesourcery.com>
5321 PR tree-optimization/69109
5322 * tree-parloops.c (try_transform_to_exit_first_loop_alt): Don't allow
5325 2016-01-11 Tom de Vries <tom@codesourcery.com>
5327 PR tree-optimization/69108
5328 * tree-parloops.c (gather_scalar_reductions): Handle case that outer phi
5329 res is not used in a phi.
5331 2016-01-11 Yury Gribov <y.gribov@samsung.com>
5334 * common.opt (frandom-seed): Fix parameter name.
5335 * doc/invoke.texi (frandom-seed): Ditto and describe parameter.
5337 2016-01-11 Tom de Vries <tom@codesourcery.com>
5339 PR tree-optimization/69058
5340 * tree-parloops.c (pass_parallelize_loops::execute): Return 0 if libgomp
5343 2016-01-11 Andrew Burgess <andrew.burgess@embecosm.com>
5345 * config/arc/arc.opt (mdiv-rem): Add period to the end.
5346 (mcode-density): Likewise.
5348 2016-01-10 Tom de Vries <tom@codesourcery.com>
5350 PR tree-optimization/69062
5351 * tree-parloops.c (loop_has_phi_with_address_arg): New function.
5352 (parallelize_loops): Don't paralelize loop that has phi with address
5355 2016-01-10 Tom de Vries <tom@codesourcery.com>
5357 PR tree-optimization/69039
5358 * tree-parloops.c (try_create_reduction_list): Only allow single exit
5361 2016-01-09 John David Anglin <danglin@gcc.gnu.org>
5364 * match.pd: Require target has function_c99_misc before doing
5365 truncl(extend(x)) and trunc(extend(x)) -> extend(truncf(x)), etc.
5367 2016-01-09 Gerald Pfeifer <gerald@pfeifer.com>
5369 * configure.ac (isl_options_set_schedule_serialize_sccs): Also
5371 * configure: Regenerate.
5373 2016-01-09 Jakub Jelinek <jakub@redhat.com>
5376 PR tree-optimization/69097
5377 * fold-const.h (expr_not_equal_to): New prototype.
5378 * fold-const.c: Include stringpool.h and tree-ssanames.h.
5379 (expr_not_equal_to): New function.
5380 * match.pd (X % -Y is the same as X % Y): Don't optimize
5381 unless X is known not to be equal to minimum or Y is known
5382 not to be equal to -1.
5383 * tree-vrp.c (simplify_div_or_mod_using_ranges): Add GSI argument.
5384 fold TRUNC_MOD_EXPR if the second argument is not a power of two.
5385 (simplify_stmt_using_ranges): Adjust caller.
5386 (vrp_finalize): Call set_value_range on SSA_NAMEs before calling
5387 substitute_and_fold.
5389 2016-01-09 Jan Hubicka <hubicka@ucw.cz>
5391 * ipa-icf.c (sem_item_optimizer::merge_classes): Do not ICE on VAR_DECL
5394 2016-01-08 Jakub Jelinek <jakub@redhat.com>
5396 PR tree-optimization/69167
5397 * gimple-fold.c (replace_stmt_with_simplification): Also punt if
5398 new SSA_NAME_OCCURS_IN_ABNORMAL_PHI SSA_NAMEs appear in operands of
5400 * gimple-match-head.c (maybe_push_res_to_seq): Likewise.
5402 2016-01-08 Alan Lawrence <alan.lawrence@arm.com>
5403 Richard Biener <rguenther@suse.de>
5405 PR tree-optimization/68707
5406 * tree-vect-slp.c (vect_analyze_slp_instance): Cancel permuted SLP
5407 instances that can be handled via vect_load_lanes.
5409 2016-01-08 Uros Bizjak <ubizjak@gmail.com>
5411 * symtab.c (symtab_node::equal_address_to): Return -1 instead of 2
5412 if we can't determine address equivalence.
5413 * alias.c (compare_base_decl): Update for changed return value of
5414 symtab_node::equal_address_to.
5416 2016-01-08 Jason Merrill <jason@redhat.com>
5420 * function.c (assign_temp): Guard against TREE_ADDRESSABLE types here.
5421 * expr.c (store_field): Not here.
5422 * tree-cfgcleanup.c (fixup_noreturn_call): Don't clear LHS of a
5423 call with TREE_ADDRESSABLE type.
5424 * tree-cfg.c (verify_gimple_call): Adjust.
5426 2016-01-08 Olivier Hainque <hainque@adacore.com>
5428 * config/vxworks.h (VXWORKS_LIBGCC_SPEC): Don't link shared RTPs with
5431 2016-01-08 Alan Lawrence <alan.lawrence@arm.com>
5433 * gcc.target/rs6000/paired.md (reduc_smax_v2sf): Rename to...
5434 (reduc_smax_scal_v2sf): ...here, make result SFmode, extract element.
5435 (reduc_smin_v2sf): Rename to...
5436 (reduc_smin_scal_v2sf): ...here, make result SFmode, extract element.
5437 (reduc_splus_v2sf): Rename to...
5438 (reduc_plus_scal_v2sf): ...here, make result SFmode, extract element.
5440 2016-01-08 Jakub Jelinek <jakub@redhat.com>
5442 PR tree-optimization/69162
5443 * gimplify.c (gimplify_va_arg_expr): Encode original type of
5444 valist argument in another argument.
5445 (gimplify_modify_expr): Adjust for the above change. Cleanup.
5446 * tree-stdarg.c (expand_ifn_va_arg_1): Use new 3rd argument
5447 to determine the va_list type, build a MEM_REF instead of
5448 build_fold_indirect_ref.
5450 PR tree-optimization/69172
5451 * gimple-fold.c (gimple_fold_builtin_memory_chk): Pass type to
5454 2016-01-08 Thomas Preud'homme <thomas.preudhomme@arm.com>
5456 PR tree-optimization/67781
5457 * tree-ssa-math-opts.c (find_bswap_or_nop): Zero out bytes in cmpxchg
5458 and cmpnop in two steps: first the ones not accessed in original
5459 gimple expression in a endian independent way and then the ones not
5460 accessed in the final result in an endian-specific way.
5462 2016-01-08 Jakub Jelinek <jakub@redhat.com>
5464 PR tree-optimization/69083
5465 * tree-vect-slp.c (vect_get_constant_vectors): For
5466 VECTOR_BOOLEAN_TYPE_P assert op is fold_convertible_p to vector_type's
5467 element type. If op is fold_convertible_p to vector_type's element
5468 type, use NOP_EXPR instead of VCE.
5470 2016-01-08 Segher Boessenkool <segher@kernel.crashing.org>
5472 PR rtl-optimization/67778
5473 PR rtl-optimization/68634
5474 PR rtl-optimization/68909
5475 * shrink-wrap.c (try_shrink_wrapping): Add comment. Don't pop
5476 block from the stack until done with it. Remove a superfluous
5477 bitmap set. Remove a superfluous bitmap test.
5479 2016-01-07 Martin Sebor <msebor@redhat.com>
5482 * doc/extend.texi (__atomic Builtins, __sync Builtins): Document
5483 constraint on the type of arguments.
5485 2016-01-07 Andreas Tobler <andreast@gcc.gnu.org>
5487 * config/arm/freebsd.h: Rename SUBTARGET_OVERRIDE_OPTIONS to
5488 SUBTARGET_OVERRIDE_INTERNAL_OPTIONS. Adjust to check
5489 unaligned_access on the gcc_options set.
5490 * config/arm/arm.c (arm_option_override_internal): Use
5491 SUBTARGET_OVERRIDE_INTERNAL_OPTIONS.
5493 2016-01-07 Uros Bizjak <ubizjak@gmail.com>
5496 * config/i386/i386.c (ix86_frame_pointer_required): Enable
5497 frame pointer for TARGET_64BIT_MS_ABI when stack is misaligned.
5499 2016-01-07 Uros Bizjak <ubizjak@gmail.com>
5502 2016-01-06 Uros Bizjak <ubizjak@gmail.com>
5505 * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
5506 depending on frame_pointer_needed before remaining integer and SSE
5507 registers are saved.
5509 2016-01-07 Sandra Loosemore <sandra@codesourcery.com>
5512 * doc/extend.texi (Nvidia PDX Function Attributes): New section.
5514 2016-01-07 H.J. Lu <hongjiu.lu@intel.com>
5517 * config/i386/sse.md (<sse>_sqrt<mode>2<mask_name><round_name>):
5518 Use the "xBm" constraint.
5519 (float<sseintvecmodelower><mode>2<mask_name><round_name):
5521 (sse_cvtsi2ss<round_name>): Use round_nimm_scalar_predicate.
5522 (sse_cvtsi2ssq<round_name>): Likewise.
5523 (sse_cvtss2si<round_name>): Likewise.
5524 (sse_cvtss2siq<round_name>): Likewise.
5525 (sse2_cvtsi2sdq<round_name>): Likewise.
5526 (sse2_cvtsd2si<round_name>): Likewise.
5527 (sse2_cvtsd2siq<round_name>): Likewise.
5528 * config/i386/subst.md (round_nimm_scalar_predicate): New
5531 2015-12-15 Bernd Schmidt <bschmidt@redhat.com>
5534 * varasm.c (make_decl_rtl): Mark invalid register vars as
5537 PR rtl-optimization/66206
5538 * bt-load.c (find_btr_use): Change first arg to be a pointer to an rtx.
5539 All callers changed.
5541 2016-01-07 Jakub Jelinek <jakub@redhat.com>
5543 PR tree-optimization/69141
5544 * tree-ssa-pre.c: Include langhooks.h.
5545 (eliminate_dom_walker::before_dom_children): Use
5546 lang_hooks.decl_printable_name instead of
5547 cgraph_node::get ()->name ().
5550 * gimple-expr.c (copy_var_decl): If var has DECL_USER_ALIGN set, copy
5551 it and DECL_ALIGN too.
5553 2016-01-06 Robert Suchanek <robert.suchanek@imgtec.com>
5555 * config/mips/mips-ftypes.def: Sort to lexicographical order.
5557 2016-01-06 Uros Bizjak <ubizjak@gmail.com>
5560 * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
5561 depending on frame_pointer_needed before remaining integer and SSE
5562 registers are saved.
5564 2015-01-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
5566 * config/rs6000/vsx.md (*p9_vecload_<mode>): Replace VSX_M
5567 mode iterator with VSX_M2.
5568 (*p9_vecstore_<mode>): Likewise.
5569 (*vsx_le_permute_<mode>): Restrict to !TARGET_P9_VECTOR.
5570 (*vsx_le_perm_load_<mode> for VSX_LE_128): Likewise.
5571 (*vsx_le_perm_store_<mode> for VSX_LE_128): Likewise.
5572 (define_split for VSX_LE128 stores): Likewise.
5573 (define_peephole2 for TImode LE swaps): Likewise.
5574 (define_split for VSX_LE128 post-reload stores): Likewise.
5576 2016-01-06 Marek Polacek <polacek@redhat.com>
5579 * convert.c (convert_to_integer_1): Adjust call to
5580 ubsan_instrument_float_cast. Use NULL_TREE instead of NULL.
5581 * ubsan.c (ubsan_instrument_float_cast): Drop the ARG parameter. Use
5582 EXPR instead of ARG.
5583 * ubsan.h (ubsan_instrument_float_cast): Adjust declaration.
5585 2016-01-05 Sandra Loosemore <sandra@codesourcery.com>
5588 * doc/extend.texi (RL78 Variable Attributes): New section.
5590 2016-01-05 Marek Polacek <polacek@redhat.com>
5593 * builtins.c (get_memmodel): Use expansion point location rather than
5594 the input location. Call warning_at rather than warning.
5595 (expand_builtin_atomic_compare_exchange): Likewise.
5596 (expand_builtin_atomic_load): Likewise.
5597 (expand_builtin_atomic_store): Likewise.
5598 (expand_builtin_atomic_clear): Likewise.
5600 2016-01-05 H.J. Lu <hongjiu.lu@intel.com>
5603 * config/i386/i386.c (ix86_expand_vector_logical_operator):
5604 Replace nonimmediate_operand with vector_operand.
5605 * config/i386/predicates.md (vector_operand): New predicate.
5606 (general_vector_operand): Replace nonimmediate_operand with
5608 * config/i386/sse.md: Replace nonimmediate_operand with
5609 vector_operand and m constraint with Bm constraint on SSE
5610 patterns with 16-byte memory operand.
5611 * config/i386/subst.md (round_nimm_predicate): Replace
5612 nonimmediate_operand with vector_operand.
5613 (round_saeonly_nimm_predicate): Likewise.
5614 (round_saeonly_nimm_scalar_predicate): New.
5616 2016-01-05 H.J. Lu <hongjiu.lu@intel.com>
5619 * config/i386/constraints.md (Bm): New constraint.
5620 * config/i386/predicates.md (vector_memory_operand): New
5622 * config/i386/sse.md: Replace xm with xBm in plusminus and
5625 2016-01-05 Sandra Loosemore <sandra@codesourcery.com>
5628 * doc/extend.texi (V850 Function Attributes): New section.
5629 (V850 Variable Attributes): New section.
5631 2016-01-05 Sandra Loosemore <sandra@codesourcery.com>
5634 * doc/extend.texi (MicroBlaze Function Attributes): Document
5635 interrupt_handler and fast_interrupt attributes.
5637 2016-01-05 Sergei Trofimovich <siarheit@google.com>
5640 * config/ia64/ia64.c (ia64_expand_load_address): Use gprel64
5641 for local symbolic operands.
5642 * config/ia64/predicates.md (local_symbolic_operand64): New
5645 2016-01-05 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
5647 PR rtl-optimization/68651
5648 * combine.c (combine_simplify_rtx): Canonicalize x + x into
5651 2016-01-05 Nathan Sidwell <nathan@acm.org>
5653 * alias.c (compare_base_decls): Use symtab_node::get.
5655 2016-01-05 Nick Clifton <nickc@redhat.com>
5658 * ira-costs.c (copy_cost): Initialise the t_icode field of the
5659 secondary_reload_info structure.
5662 * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Define to use weak
5663 decls if weak support is available.
5665 2016-01-04 Martin Sebor <msebor@redhat.com>
5667 * doc/invoke.texi (Warning Options): Document -Winvalid-memory-model.
5669 2016-01-04 Michael Meissner <meissner@linux.vnet.ibm.com>
5671 * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Add
5672 OPTION_MASK_P9_DFORM.
5674 * config/rs6000/constraints.md (wo constraint): New constraint for
5677 * config/rs6000/rs6000.c (rs6000_debug_reg_global): Add support
5679 (rs6000_init_hard_regno_mode_ok): Likewise.
5681 * config/rs6000/rs6000.h (r6000_reg_class_enum): Add support for
5684 * config/rs6000/altivec.md (altivec_vperm_<mode>): Clean up vperm
5685 expanders not to have constraints. Add support for ISA 3.0 xxperm
5686 instruction. Add support for fusing xxlor with xxperm.
5687 (altivec_vperm_<mode>_internal): Likewise.
5688 (altivec_vperm_v8hiv16qi): Likewise.
5689 (altivec_vperm_<mode>v16q): Likewise.
5690 (altivec_vperm_<mode>_uns): Likewise.
5691 (vperm_v8hiv4si): Likewise.
5692 (vperm_v16qiv8hi): Likewise.
5694 * doc/md.texi (RS/6000 constraints): Document wo constraint.
5696 2016-01-04 Jakub Jelinek <jakub@redhat.com>
5698 Update copyright years.
5700 * gcc.c (process_command): Update copyright notice dates.
5701 * gcov-dump.c (print_version): Ditto.
5702 * gcov.c (print_version): Ditto.
5703 * gcov-tool.c (print_version): Ditto.
5704 * gengtype.c (create_file): Ditto.
5705 * doc/cpp.texi: Bump @copying's copyright year.
5706 * doc/cppinternals.texi: Ditto.
5707 * doc/gcc.texi: Ditto.
5708 * doc/gccint.texi: Ditto.
5709 * doc/gcov.texi: Ditto.
5710 * doc/install.texi: Ditto.
5711 * doc/invoke.texi: Ditto.
5713 2016-01-04 Eric Botcazou <ebotcazou@adacore.com>
5715 * config/arm/arm.c (aapcs_vfp_allocate_return_reg): Treat all integer
5716 modes larger than TImode as TImode if NEON is not enabled.
5718 2016-01-04 Eric Botcazou <ebotcazou@adacore.com>
5721 * config/sparc/sparc.h (FUNCTION_ARG_REGNO_P): Return true in 64-bit
5722 mode for %f0-%f31 only if TARGET_FPU.
5724 2016-01-04 Eric Botcazou <ebotcazou@adacore.com>
5727 * config/sparc/sparc.c (scan_record_type): Take into account subfields
5728 to compute the PACKED_P predicate.
5729 (function_arg_record_value): Minor tweaks.
5731 2016-01-04 Thomas Preud'homme <thomas.preudhomme@arm.com>
5733 * doc/install.texi (--with-multilib-list): Describe the meaning of the
5734 option for arm*-*-* targets.
5736 2016-01-03 Sandra Loosemore <sandra@codesourcery.com>
5738 * doc/extend.texi (Common Function Attributes): Move docs for
5739 MSP430-specific attributes to....
5740 (MSP430 Function Attributes): ...here. Delete the redundant
5741 entries and copy-edit the remaining text.
5742 (MSP430 Variable Attributes): Use uniform format for index
5743 entries and add a cross-reference to the corresponding function
5746 2016-01-03 Vladimír Čunát <vcunat@gmail.com>
5748 * doc/invoke.texi (RS/6000 and PowerPC Options): Fix
5750 (x86 Options): Likewise.
5752 2016-01-01 Sandra Loosemore <sandra@codesourcery.com>
5756 * extend.texi (Common Function Attributes) <no_stack_limit>: New.
5757 * invoke.texi (Code Gen Options) <-fno-stack-limit>: Add pointer
5758 to corresponding attribute.
5760 2016-01-01 Sandra Loosemore <sandra@codesourcery.com>
5762 * doc/extend.texi (Common Function Attributes) <noplt>: Move
5763 to correct alphabetization of table. Copy-edit and correct
5765 <stack_protect>: Likewise.
5766 <target_clones>: Likewise.
5768 * doc/invoke.texi (Optimize Options) <-fstack-protector-explicit>:
5769 Correct punctuation.
5770 (Code Gen Options) <-fno-plt>: Copy-edit.
5772 2016-01-01 Bernd Edlinger <bernd.edlinger@hotmail.de>
5775 * config/tilegx/tilegx.md (clzsi2): Don't create DI subregs of
5776 SI values. Explicitly convert SI to DI and vice-versa.
5778 2016-01-01 Jakub Jelinek <jakub@redhat.com>
5780 PR tree-optimization/69070
5781 * tree-ssa-math-opts.c (gimple_expand_builtin_pow): Only test
5782 REAL_VALUE_ISSIGNALING_NAN on arg0 if arg0 is a REAL_CST.
5785 * ubsan.c (ubsan_instrument_float_cast): Call
5786 initialize_sanitizer_builtins.
5789 * ifcvt.c (find_cond_trap): Give up if returnjump_p (jump).
5791 Copyright (C) 2016 Free Software Foundation, Inc.
5793 Copying and distribution of this file, with or without modification,
5794 are permitted in any medium without royalty provided the copyright
5795 notice and this notice are preserved.