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1 2016-04-12 Eric Botcazou <ebotcazou@adacore.com>
3 PR target/70630
4 * config/sparc/sparc.c (sparc_compute_frame_size): Add parentheses.
6 2016-04-12 Jakub Jelinek <jakub@redhat.com>
8 * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
9 Bump the upper SIMDLEN limits, so that if the return type or
10 characteristic type if the return type is void can be passed in
11 all available SSE2/AVX/AVX2/AVX512-F registers, the SIMDLEN is
12 allowed.
14 2016-04-12 Michael Meissner <meissner@linux.vnet.ibm.com>
16 PR target/70640
17 * config/rs6000/rs6000.md (ieee_128bit_vsx_neg<mode>2_internal):
18 Do not use "=" constraint on an input constraint.
19 (ieee_128bit_vsx_abs<mode>2_internal): Likewise.
20 (ieee_128bit_vsx_nabs<mode>2_internal): Likewise.
21 (ieee_128bit_vsx_nabs<mode>2): Correct splitter so that it
22 generates (neg (abs ...)) instead of (abs ...).
24 2016-04-12 Jakub Jelinek <jakub@redhat.com>
26 PR rtl-optimization/70596
27 * lra-spills.c (spill_pseudos): Don't delete debug insns, instead
28 just invalidate LRA data and reset them. Adjust dump wording.
30 2016-04-12 Martin Liska <mliska@suse.cz>
32 Revert
33 2016-03-30 Jan Hubicka <hubicka@ucw.cz>
35 * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can't get realistic
36 estimates here.
37 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
38 max_loop_iterations_int.
39 (tree_unswitch_outer_loop): Likewise.
40 * tree-ssa-loop-ivopts.c (avg_loop_niter): Likewise.
41 * tree-vect-loop.c (vect_analyze_loop_2): Likewise.
43 2016-04-12 Tom de Vries <tom@codesourcery.com>
45 PR tree-optimization/68756
46 * graphite-isl-ast-to-gimple.c (copy_cond_phi_args): Use new_expr
47 instead of new_name.
49 2016-04-12 Jakub Jelinek <jakub@redhat.com>
51 PR tree-optimization/70602
52 * tree-sra.c (generate_subtree_copies): Don't write anything into
53 constant pool decls.
55 * omp-low.c (lower_omp_target): Use GOMP_MAP_FIRSTPRIVATE_INT
56 regardless whether there are depend clauses or not.
58 2016-04-11 Michael Meissner <meissner@linux.vnet.ibm.com>
60 PR target/70381
61 * config/rs6000/rs6000.c (rs6000_opt_masks): Disable using the
62 target attribute and pragma from changing the -mfloat128
63 and -mfloat128-hardware options.
65 * doc/extend.texi (Additional Floating Types): Document PowerPC
66 __float128 restrictions.
68 2016-04-11 James Greenhalgh <james.greenhalgh@arm.com>
70 PR target/70133
71 * config/aarch64/driver-aarch64.c
72 (aarch64_get_extension_string_for_isa_flags): New.
73 (arch_extension): Rename to...
74 (aarch64_arch_extension): ...This.
75 (ext_to_feat_string): Rename to...
76 (aarch64_extensions): ...This.
77 (aarch64_core_data): Keep track of architecture extension flags.
78 (cpu_data): Rename to...
79 (aarch64_cpu_data): ...This.
80 (aarch64_arch_driver_info): Keep track of architecture extension
81 flags.
82 (get_arch_name_from_id): Rename to...
83 (get_arch_from_id): ...This, change return type.
84 (host_detect_local_cpu): Update and reformat for renames, handle
85 extensions through common infrastructure.
87 2016-04-11 James Greenhalgh <james.greenhalgh@arm.com>
89 PR target/70133
90 * config/aarch64/aarch64-common.c (aarch64_option_extension): Keep
91 track of a canonical flag name.
92 (all_extensions): Likewise.
93 (arch_to_arch_name): Also track extension flags enabled by the arch.
94 (all_architectures): Likewise.
95 (aarch64_parse_extension): Move to here.
96 (aarch64_get_extension_string_for_isa_flags): Take a new argument,
97 rework.
98 (aarch64_rewrite_selected_cpu): Update for above change.
99 * config/aarch64/aarch64-option-extensions.def: Rework the way flags
100 are handled, such that the single explicit value enabled by an
101 extension is kept seperate from the implicit values it also enables.
102 * config/aarch64/aarch64-protos.h (aarch64_parse_opt_result): Move
103 to here.
104 (aarch64_parse_extension): New.
105 * config/aarch64/aarch64.c (aarch64_parse_opt_result): Move from
106 here to config/aarch64/aarch64-protos.h.
107 (aarch64_parse_extension): Move from here to
108 common/config/aarch64/aarch64-common.c.
109 (aarch64_option_print): Update.
110 (aarch64_declare_function_name): Likewise.
111 (aarch64_start_file): Likewise.
112 * config/aarch64/driver-aarch64.c (arch_extension): Keep track of
113 the canonical flag for extensions.
114 * config.gcc (aarch64*-*-*): Extend regex for capturing extension
115 flags.
117 2016-04-11 James Greenhalgh <james.greenhalgh@arm.com>
119 * config/aarch64/aarch64.h (AARCH64_FL_FOR_ARCH8_1): Also add
120 AARCH64_FL_CRC.
122 2016-04-09 Tom de Vries <tom@codesourcery.com>
124 PR tree-optimization/68953
125 * graphite-sese-to-poly.c (pdr_add_memory_accesses): Order accesses from
126 first to last subscript.
128 2016-04-09 Jakub Jelinek <jakub@redhat.com>
130 PR tree-optimization/70586
131 * tree-ssa-ifcombine.c (bb_no_side_effects_p): Return false
132 for any calls.
134 2016-04-08 Cesar Philippidis <cesar@codesourcery.com>
136 PR lto/70289
137 PR ipa/70348
138 PR tree-optimization/70373
139 PR middle-end/70533
140 PR middle-end/70534
141 PR middle-end/70535
142 * gimplify.c (gimplify_adjust_omp_clauses): Add or adjust data
143 clauses for acc parallel reductions as necessary. Error on those
144 that are private.
145 * omp-low.c (scan_sharing_clauses): Don't install variables which
146 are used in acc parallel reductions.
147 (lower_rec_input_clauses): Remove dead code.
148 (lower_oacc_reductions): Add support for reference reductions.
149 (lower_reduction_clauses): Remove dead code.
150 (lower_omp_target): Don't remap variables appearing in acc parallel
151 reductions.
152 * tree.h (OMP_CLAUSE_MAP_IN_REDUCTION): New macro.
154 2016-04-08 Jakub Jelinek <jakub@redhat.com>
156 PR middle-end/70593
157 * tree-ssa-coalesce.c (build_ssa_conflict_graph): For stmt
158 with multiple SSA_NAME defs, force the outputs other than first
159 to be live before calling live_track_process_def on each output.
161 PR rtl-optimization/70574
162 * fwprop.c (forward_propagate_and_simplify): Don't add
163 REG_EQUAL note if DF_REF_REG (use) is a paradoxical subreg.
164 (try_fwprop_subst): Don't add REG_EQUAL note if there are any
165 paradoxical subregs within *loc.
167 2016-04-08 Thomas Schwinge <thomas@codesourcery.com>
169 * config/arc/arc.h (LINK_COMMAND_SPEC): Use gt to ignore
170 -ftree-parallelize-loops={0,1}.
171 * config/darwin.h (LINK_COMMAND_SPEC_A): Likewise.
172 * config/i386/mingw32.h (GOMP_SELF_SPECS): Likewise.
173 * config/ia64/hpux.h (LIB_SPEC): Likewise.
174 * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
175 * config/pa/pa64-hpux.h (LIB_SPEC): Likewise.
177 2016-04-08 Maxim Ostapenko <m.ostapenko@samsung.com>
179 PR sanitizer/70541
180 * asan.c (instrument_derefs): If we get unknown location, extract it
181 with EXPR_LOCATION.
182 (maybe_instrument_call): Instrument gimple_call's arguments if needed.
184 2016-04-08 Tom de Vries <tom@codesourcery.com>
186 * omp-low.c (lower_omp_target): Set TREE_NO_WARNING for oacc
187 implicit firstprivate clause.
189 2016-04-08 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
191 PR target/70566
192 * config/arm/thumb2.md (tst + branch-> lsls + branch
193 peephole below *orsi_not_shiftsi_si): Require that condition
194 register is dead after the peephole.
195 (second peephole after the above): Likewise.
197 2016-04-08 Alan Modra <amodra@gmail.com>
199 PR target/70117
200 * builtins.c (fold_builtin_classify): For IBM extended precision,
201 look at just the high-order double to test for NaN.
202 (fold_builtin_interclass_mathfn): Similarly for Inf. For isnormal
203 test just the high double for Inf but both doubles for subnormal
204 limit.
206 2016-04-07 Jakub Jelinek <jakub@redhat.com>
208 * cgraph.h (struct cgraph_simd_clone): Add mask_mode field.
209 * omp-low.c (simd_clone_init_simd_arrays, simd_clone_adjust): Handle
210 node->simdclone->mask_mode != VOIDmode masks.
211 (simd_clone_adjust_argument_types): Likewise. Move sc var definition
212 earlier, use it instead of node->simdclone.
213 * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
214 Set clonei->mask_mode.
216 2016-04-06 Patrick Palka <ppalka@gcc.gnu.org>
218 PR c/70436
219 * parser.c (cp_parser_iteration_statement): New parameter IF_P.
220 Pass it through to cp_parser_already_scoped_statement.
221 (cp_parser_already_scoped_statement): New parameter IF_P. Pass
222 it through to cp_parser_statement.
223 (cp_parser_statement): Pass IF_P through to
224 cp_parser_iteration_statement.
225 (cp_parser_pragma): Adjust call to
226 cp_parser_iteration_statement.
228 2016-04-06 Patrick Palka <ppalka@gcc.gnu.org>
230 PR c/70436
231 * gimplify.c (gimplify_omp_ordered): Add explicit braces to
232 resolve a future -Wparentheses warning.
233 * omp-low.c (scan_sharing_clauses): Likewise.
234 * tree-parloops.c (eliminate_local_variables): Likewise.
236 2016-04-06 Vladimir Makarov <vmakarov@redhat.com>
238 PR rtl-optimization/70398
239 * lra-constraints.c (process_address_1): Check zero scale and code
240 for reloading with zero scale.
242 2016-04-06 Uros Bizjak <ubizjak@gmail.com>
244 * config/i386/sse.md (shuffletype): Add V32HI and V4TI modes.
245 (ssescalarsize): Add V8SF, V4SF, V4DF and V2DF modes.
247 2016-04-06 Jakub Jelinek <jakub@redhat.com>
249 * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
250 Add support for AVX512F clones, include them by default for
251 exported OpenMP declare simd functions. For AVX2 allow simdlen 32
252 and use it if charasteric type is 8-bit, for AVX512F allow simdlen
253 up to 128.
255 PR middle-end/70550
256 * tree.h (OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT): Define.
257 * gimplify.c (gimplify_adjust_omp_clauses_1): Set it for implicit
258 firstprivate clauses.
259 * omp-low.c (lower_send_clauses): Set TREE_NO_WARNING for
260 OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT !by_ref vars in task contexts.
261 (lower_omp_target): Set TREE_NO_WARNING for
262 non-addressable possibly uninitialized vars which are copied into
263 addressable temporaries or copied for GOMP_MAP_FIRSTPRIVATE_INT.
265 2016-04-05 John David Anglin <danglin@gcc.gnu.org>
267 * config/pa/predicates.md (integer_store_memory_operand): Accept
268 REG+D operands with a large offset when reload_in_progress is true.
269 (floating_point_store_memory_operand): Likewise.
271 2016-04-05 Jakub Jelinek <jakub@redhat.com>
273 PR c++/70336
274 * match.pd (nested int casts): Limit to GIMPLE.
276 2016-04-05 Jan Hubicka <hubicka@ucw.cz>
278 PR ipa/66223
279 * ipa-devirt.c (maybe_record_node): Fix comment; use
280 SANITIZE_UNREACHABLE instead of SANITIZE_UNDEFINED.
282 2016-04-05 Jakub Jelinek <jakub@redhat.com>
284 PR rtl-optimization/70542
285 * ree.c (add_removable_extension): For VECTOR_MODE_P punt
286 if there are any uses other than insn or debug insns.
288 2016-04-05 Marc Glisse <marc.glisse@inria.fr>
289 Jakub Jelinek <jakub@redhat.com>
291 PR tree-optimization/70509
292 * simplify-rtx.c (simplify_binary_operation_1) <case VEC_SELECT>:
293 Shift HOST_WIDE_INT_1U instead of 1.
295 2016-04-05 Zdenek Sojka <zsojka@seznam.cz>
297 PR tree-optimization/70509
298 * tree-ssa-forwprop.c (simplify_bitfield_ref): Use bitsize_int instead
299 of the vector base type for index.
301 2016-04-05 Uros Bizjak <ubizjak@gmail.com>
303 PR target/70510
304 * config/i386/sse.md (iptr): Add V64QI, V32HI, V16SI and V8DI modes.
306 2016-04-05 Richard Biener <rguenther@suse.de>
308 PR tree-optimization/70526
309 * tree-sra.c (build_ref_for_offset): Use prev_base to
310 extract the alias pointer type.
312 2016-04-05 Richard Biener <rguenther@suse.de>
314 * dse.c (struct store_info): Remove alias_set member.
315 (struct read_info_type): Likewise.
316 (clear_alias_group, clear_alias_mode_table, clear_alias_mode_holder,
317 spill_deleted, clear_alias_set_lookup): Remove.
318 (get_group_info): Remove dead base == NULL_RTX case.
319 (dse_step0): Remove initialization of removed variables.
320 (delete_dead_store_insn): Reomve alias set dumping.
321 (free_read_records): Remove alias_set handling.
322 (canon_address): Remove alias_set_out parameter.
323 (record_store): Remove spill_alias_set, it's always zero.
324 (check_mem_read_rtx): Likewise.
325 (dse_step2): Rename from ...
326 (dse_step2_nospill): ... this. Adjust.
327 (scan_stores): Rename from ...
328 (scan_stores_nospill): ... this.
329 (scan_reads): Rename from ...
330 (scan_reads_nospill): ... this.
331 (scan_stores_spill, scan_reads_spill): Remove.
332 (dse_step3_scan): Remove for_spills argument which is always false.
333 (dse_step3): Likewise.
334 (dse_step5): Rename from ...
335 (dse_step5_nospill): ... this. Remove alias_set handling.
336 (rest_of_handle_dse): Adjust.
338 2016-04-05 Jakub Jelinek <jakub@redhat.com>
340 PR target/70525
341 * config/i386/sse.md (*andnot<mode>3): Simplify assertions.
342 Use vpandn<ssemodesuffix> for V16SI/V8DImode, vpandnq for
343 V32HI/V64QImode, don't use <mask_operand3_1>, fix up formatting.
344 (*andnot<mode>3_mask): Remove insn with VI12_AVX512VL iterator.
346 2016-04-05 Richard Biener <rguenther@suse.de>
348 PR middle-end/70499
349 * gimplify-me.c (gimple_regimplify_operands): Do not rewrite
350 non-register type temporaries into SSA.
352 2016-04-04 Jan Hubicka <hubicka@ucw.cz>
354 PR ipa/66223
355 * ipa-devirt.c (maybe_record_node): Do not optimize cxa_pure_virtual
356 calls when sanitizing.
357 (possible_polymorphic_call_target_p): Fix formatting.
359 2016-04-04 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
360 Jakub Jelinek <jakub@redhat.com>
362 PR middle-end/70457
363 * tree-inline.c (estimate_num_insn): Use gimple_call_builtin_p
364 to ensure a call statement is compatible with a built-in's
365 prototype.
366 * tree-ssa-math-opts.c (pass_optimize_windening_mul::execute):
367 Likewise.
369 2016-04-04 Richard Biener <rguenther@suse.de>
371 PR rtl-optimization/70484
372 * rtl.h (canon_output_dependence): Declare.
373 * alias.c (canon_output_dependence): New function.
374 * dse.c (record_store): Use canon_output_dependence rather
375 than canon_true_dependence.
377 2016-03-30 Jan Hubicka <hubicka@ucw.cz>
379 PR ipa/68881
380 * cgraph.h (symtab_node::copy_visibility_from): New function.
381 * symtab.c (symtab_node::copy_visibility_from): New function.
382 * ipa-visibility.c (optimize_weakref): New function.
383 (function_and_variable_visibility): Use it.
385 2016-04-04 Martin Liska <mliska@suse.cz>
387 PR hsa/70402
388 * hsa-gen.c (gen_hsa_insns_for_switch_stmt): Guard index
389 value that is really in range handled by SBR instruction.
390 * hsa-brig.c (emit_switch_insn): Do not emit unconditional jump.
391 * hsa-dump.c (dump_hsa_insn_1): Do not dump default BB.
392 * hsa.h (hsa_insn_sbr::m_default_bb): Remove field.
394 2016-04-03 Oleg Endo <olegendo@gcc.gnu.org>
396 PR target/70416
397 PR target/67391
398 * config/sh/sh.md (*addsi3): Allow pattern when reload_in_progress is
399 set, but not for SP_REG operands.
401 2016-04-02 Martin Sebor <msebor@redhat.com>
403 PR c++/67376
404 * fold-const.c (maybe_nonzero_address): New function.
405 (fold_comparison): Call it. Fold equality and relational
406 expressions involving null pointers.
407 (tree_single_nonzero_warnv_p): Call maybe_nonzero_address.
409 2016-03-31 Evandro Menezes <e.menezes@samsung.com>
411 Fix the predicate "aarch64_simd_reg_or_zero" to correctly validate
412 the "Y" constraint (scalar FP 0.0 immediate).
414 * gcc/config/aarch64/predicates.md (aarch64_simd_reg_or_zero):
415 Add the "const_double" to the list of operand constraints.
417 2016-04-01 Jakub Jelinek <jakub@redhat.com>
419 PR rtl-optimization/70467
420 * config/i386/i386.md (*add<dwi>3_doubleword, *sub<dwi>3_doubleword):
421 If low word of the last operand is 0, just emit addition/subtraction
422 for the high word.
424 2016-04-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
426 PR target/70404
427 * config/s390/s390.c (s390_expand_insv): Check for everything
428 constant instead of just VOIDmode stuff.
430 2016-04-01 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
432 PR target/70496
433 * config/arm/arm.h (ASM_APP_OFF): Handle TARGET_ARM and TARGET_THUMB.
435 2016-04-01 Nathan Sidwell <nathan@acm.org>
437 * tree.def (TRY_CATCH_EXPR): Correct documentation.
439 2016-03-31 Vladimir Makarov <vmakarov@redhat.com>
441 PR rtl-optimization/70461
442 * ira-color.c (allocno_copy_cost_saving): Use allocno class if it
443 is necessary.
445 2016-03-31 Martin Liska <mliska@suse.cz>
447 PR hsa/70399
448 * hsa-brig.c (hsa_op_immed::emit_to_buffer): Emit either
449 a tree value or an immediate integer value to a buffer
450 that is eventually copied to a BRIG section.
451 (emit_immediate_operand): Call the function here.
452 * hsa-dump.c (dump_hsa_immed): Remove checking assert.
453 * hsa-gen.c (hsa_op_immed::hsa_op_immed): Remove initialization
454 of class' fields that are removed.
455 (hsa_op_immed::~hsa_op_immed): Remove deinitialization.
456 * hsa.h (class hsa_op_immed): Remove m_brig_repr and
457 m_brig_repr_size fields.
459 2016-03-31 Martin Liska <mliska@suse.cz>
461 PR hsa/70391
462 * hsa-gen.c (hsa_function_representation::update_dominance): New
463 function.
464 (convert_addr_to_flat_segment): Likewise.
465 (gen_hsa_memory_set): New alignment argument.
466 (gen_hsa_ctor_assignment): Likewise.
467 (gen_hsa_insns_for_single_assignment): Provide alignment
468 to gen_hsa_ctor_assignment.
469 (gen_hsa_insns_for_direct_call): Add new argument.
470 (expand_lhs_of_string_op): New function.
471 (expand_string_operation_builtin): Likewise.
472 (expand_memory_copy): New function.
473 (expand_memory_set): New function.
474 (gen_hsa_insns_for_call): Use HOST_WIDE_INT.
475 (convert_switch_statements): Change signature.
476 (generate_hsa): Use a return value of the function.
477 (pass_gen_hsail::execute): Do not call
478 convert_switch_statements here.
479 * hsa-regalloc.c (hsa_regalloc): Call update_dominance.
480 * hsa.h (hsa_function_representation::m_modified_cfg): New flag.
481 (hsa_function_representation::update_dominance): New function.
483 2016-03-31 Martin Liska <mliska@suse.cz>
485 PR hsa/70391
486 * hsa-brig.c (emit_directive_variable): Emit alignment
487 according to hsa_symbol::m_align.
488 * hsa-dump.c (hsa_byte_alignment): Move the function to another file.
489 (dump_hsa_symbol): Dump alignment of HSA symbols.
490 * hsa-gen.c (get_symbol_for_decl): Set-up alignment of a symbol.
491 (gen_hsa_addr_with_align): New function.
492 (hsa_bitmemref_alignment): Use newly added function.
493 (gen_hsa_insns_for_load): Likewise.
494 (gen_hsa_insns_for_store): Likewise.
495 (gen_hsa_memory_copy): New argument added.
496 (gen_hsa_insns_for_single_assignment): Respect
497 alignment for assignments processed via gen_hsa_memory_copy.
498 (gen_hsa_insns_for_direct_call): Likewise.
499 (gen_hsa_insns_for_return): Likewise.
500 (gen_function_def_parameters): Set default alignment.
501 * hsa.c (hsa_object_alignment): New function.
502 (hsa_byte_alignment): Pasted function.
503 * hsa.h (hsa_symbol::m_align): New field.
505 2016-03-31 Bin Cheng <bin.cheng@arm.com>
507 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Initialize
508 scratch field for goto case.
510 2016-03-31 James Greenhalgh <james.greenhalgh@arm.com>
512 * config/arm/linux-elf.h (ASM_OUTPUT_DEF): Delete.
514 2016-03-31 Ilya Enkovich <enkovich.gnu@gmail.com>
516 PR target/70442
517 * config/i386/i386.c (scalar_chain::convert_op): Fix description.
518 (scalar_chain::convert_insn): Call convert_op for reg
519 moves to handle undefined registers.
521 2016-03-31 Nathan Sidwell <nathan@acm.org>
523 PR c++/70393
524 * varasm.c (output_constructor_regular_field): Flush bitfield earlier.
525 Assert we don't want to move backwards.
527 2016-03-31 Kirill Yukhin <kirill.yukhin@intel.com>
529 PR target/70453
530 * config/i386/sse.md (define_mode_attr shuffletype): Fix typo.
532 2016-03-31 Jakub Jelinek <jakub@redhat.com>
534 PR rtl-optimization/70460
535 * ira.c (indirect_jump_optimize): Don't substitute LABEL_REF
536 with operand from REG_LABEL_OPERAND, instead substitute
537 SET_SRC or REG_EQUAL note content if it is a LABEL_REF.
538 Don't do anything for REG_NON_LOCAL_GOTO jumps.
540 2016-03-31 Martin Liska <mliska@suse.cz>
542 * passes.c (execute_one_pass): Do not call
543 todo_after for a discarded function.
545 2016-03-31 Bin Cheng <bin.cheng@arm.com>
547 * tree-ssa-loop-ivopts.c (struct comp_cost): New scrach field.
548 (no_cost, infinite_cost): Initialize the new field.
549 (get_computation_cost_at): Record setup cost.
550 (determine_use_iv_cost_address): Skip cost computation for sub
551 uses if we can estimate it without losing accuracy.
553 2016-03-30 Jan Hubicka <hubicka@ucw.cz>
555 * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can't get realistic
556 estimates here.
557 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
558 max_loop_iterations_int.
559 (tree_unswitch_outer_loop): Likewise.
560 * tree-ssa-loop-ivopts.c (avg_loop_niter): Likewise.
561 * tree-vect-loop.c (vect_analyze_loop_2): Likewise.
563 2016-03-30 Richard Biener <rguenther@suse.de>
565 PR middle-end/70450
566 * fold-const.c (extract_muldiv_1): Fix thinko in wide_int::from usage.
568 2016-03-30 Jakub Jelinek <jakub@redhat.com>
570 PR target/70421
571 * config/i386/i386.c (ix86_expand_vector_set): Fix up argument order
572 in gen_blendm expander.
574 2016-03-30 Nick Clifton <nickc@redhat.com>
576 PR target/62254
577 * config/arm/arm.c (arm_reload_out_hi): Add code to handle the
578 case where we are already provided with an SImode SUBREG.
580 2016-03-30 H.J. Lu <hongjiu.lu@intel.com>
582 PR target/70439
583 * config/i386/i386.c (ix86_expand_epilogue): Properly check
584 conflict between DRAP register and __builtin_eh_return.
586 2016-03-30 Michael Matz <matz@suse.de>
587 Richard Biener <rguenther@suse.de>
589 PR ipa/12392
590 * ipa-polymorphic-call.c (struct type_change_info): Change
591 speculative to an unsigned allowing to limit the work we do.
592 (csftc_abort_walking_p): New inline function..
593 (check_stmt_for_type_change): Limit the number of may-defs
594 skipped for speculative devirtualization to
595 max-speculative-devirt-maydefs.
596 * params.def (max-speculative-devirt-maydefs): New param.
597 * doc/invoke.texi (--param max-speculative-devirt-maydefs): Document.
599 2016-03-30 Mike Stump <mrs@gcc.gnu.org>
601 PR target/63890
602 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Use when profiling
603 and TARGET_MACHO.
605 2016-03-30 Patrick Palka <ppalka@gcc.gnu.org>
607 PR tree-optimization/59124
608 * tree-vrp.c (register_edge_assert_for_2): For NAME != CST1
609 where NAME = A +- CST2 add the assertion A != (CST1 -+ CST2).
611 2016-03-29 Jeff Law <law@redhat.com>
613 * tree-ssa-coalesce.c (struct ssa_conflicts): Fix typo in comment.
615 2016-03-10 Jan Hubicka <hubicka@ucw.cz>
617 * tree-ssa-loop-ivcanon.c (try_peel_loop): Change type of peel
618 to HOST_WIDE_INT.
620 2016-03-29 Thomas Schwinge <thomas@codesourcery.com>
622 * config/gnu.h (CPP_SPEC, LIB_SPEC): Don't override.
623 * config/i386/gnu.h (STARTFILE_SPEC): Use gcrt1.o instead of
624 gcrt0.o if linking dynamically.
626 2016-03-10 Jan Hubicka <hubicka@ucw.cz>
628 PR ipa/70283
629 * ipa-devirt.c (methods_equal_p): New function.
630 (compare_virtual_tables): Use it.
631 * cgraph.h (symbol_table::symbol_suffix_separator): Declare.
632 * cgraphclones.c (clone_function_name_1): Use
633 symbol_table::symbol_suffix_separator.
634 * coverage.c (build_var): Likewise.
635 * symtab.c (symbol_table::symbol_suffix_separator): New.
637 2016-03-29 Jakub Jelinek <jakub@redhat.com>
639 PR rtl-optimization/70429
640 * combine.c (simplify_shift_const_1): For ASHIFTRT don't optimize
641 (cst1 >> count) >> cst2 into (cst1 >> cst2) >> count if
642 mode != result_mode.
644 PR c++/70353
645 * tree-inline.c (remap_decls): Don't add_local_decl if cfun is null.
647 PR tree-optimization/70405
648 * ssa-iterators.h (num_imm_uses): Add missing braces.
650 2016-03-29 Vladimir Makarov <vmakarov@redhat.com>
652 PR rtl-optimization/68695
653 * ira-color.c (allocno_copy_cost_saving): New.
654 (improve_allocation): Use it.
656 2016-03-29 Richard Henderson <rth@redhat.com>
658 PR middle-end/70355
659 * lower-subreg.c (simplify_subreg_concatn): Reject paradoxical subregs.
661 2016-03-29 Richard Biener <rguenther@suse.de>
663 PR middle-end/70424
664 * ipa-prop.c (ipa_compute_jump_functions_for_edge): Always
665 use alignment returned by get_pointer_alignment_1 if it is
666 bigger than BITS_PER_UNIT.
667 * builtins.c (get_pointer_alignment_1): Do not return true
668 for alignment extracted from SSA info.
670 2016-03-28 James Bowman <james.bowman@ftdichip.com>
672 * config/ft32/ft32.opt (mnodiv): New.
673 * config/ft32/ft32.md (*divsi3, *modsi3): Qualify with TARGET_NODIV.
674 * doc/invoke.texi (FT32 Options -mnodiv): New.
676 2016-03-28 Kirill Yukhin <kirill.yukhin@intel.com>
678 PR target/70406
679 * config/i386/i386.md (define_split, andn): Fix modes.
681 2016-03-26 Richard Biener <rguenther@suse.de>
682 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
684 PR ipa/70366
685 * ipa-inline-transform.c (inline_call): Pass opts_for_fn (to->decl)
686 instead of
687 TREE_OPTIMIZATION (DECL_FUNCTION_SPECIFIC_OPTIMIZATION (to->decl))
688 as 2nd argument to cl_optimization_restore().
690 2016-03-25 Richard Henderson <rth@redhat.com>
692 PR target/70120
693 * config/aarch64/aarch64.c (aarch64_asm_output_pool_epilogue): New.
694 * config/aarch64/aarch64-protos.h: Declare it.
695 * config/aarch64/aarch64.h (ASM_OUTPUT_POOL_EPILOGUE): New.
697 2016-03-25 Alan Modra <amodra@gmail.com>
699 PR target/70052
700 * config/rs6000/constraints.md (j): Simplify.
701 * config/rs6000/predicates.md (easy_fp_constant): Exclude
702 decimal float 0.D.
703 * config/rs6000/rs6000.md (zero_fp): New mode_attr.
704 (mov<mode>_hardfloat, mov<mode>_hardfloat32, mov<mode>_hardfloat64,
705 mov<mode>_64bit_dm, mov<mode>_32bit): Use zero_fp in place of j
706 in all constraint alternatives.
707 (movtd_64bit_nodm): Delete "j" constraint alternative.
709 2016-03-24 Aldy Hernandez <aldyh@redhat.com>
711 * tree-ssa-propagate.c: Enhance docs for
712 SSA_PROP_NOT_INTERESTING.
714 2016-03-24 Aldy Hernandez <aldyh@redhat.com>
716 * doc/extend.texi: Fix typo in documentation to pure attribute.
718 2016-03-24 John David Anglin <danglin@gcc.gnu.org>
720 PR target/70319
721 * config/pa/pa.md (bswapdi2): Use a scratch register.
723 2016-03-24 Richard Henderson <rth@redhat.com>
725 PR middle-end/69845
726 * fold-const.c (extract_muldiv_1): Correct test for multiplication
727 overflow.
729 2016-03-24 Uros Bizjak <ubizjak@gmail.com>
731 * config/i386/i386.md (*anddi3_doubleword): Generate AND insn
732 using ix86_expand_binary_operator instead of gen_andsi3.
734 2016-03-24 Richard Biener <rguenther@suse.de>
736 PR tree-optimization/70396
737 * tree-vect-stmts.c (vectorizable_comparison): Use
738 get_vectype_for_scalar_type.
740 2016-03-24 Richard Biener <rguenther@suse.de>
742 PR middle-end/70370
743 * gimplify.c (gimplify_asm_expr): Handle !allows_mem outputs
744 with register bases.
746 2016-03-24 Richard Biener <rguenther@suse.de>
748 PR tree-optimization/70372
749 * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Use
750 build_all_ones_cst to also handle vector types correctly.
752 2016-03-23 Michael Meissner <meissner@linux.vnet.ibm.com>
754 PR target/70381
755 * config/rs6000/rs6000-cpus.def (ISA_2_6_MASKS_SERVER): Do not set
756 -mfloat128 here.
758 2016-03-23 Marek Polacek <polacek@redhat.com>
760 PR c++/69884
761 * doc/invoke.texi: Document -Wignored-attributes.
763 2016-03-23 Bin Cheng <bin.cheng@arm.com>
765 PR tree-optimization/69042
766 * params.def (PARAM_IV_CONSIDER_ALL_CANDIDATES_BOUND): Increase the
767 parameter from 30 to 40.
769 2016-03-23 Bin Cheng <bin.cheng@arm.com>
771 PR tree-optimization/69042
772 * tree-ssa-loop-ivopts.c (add_iv_candidate_for_use): Add IV cand
773 for use with constant offset stripped in base.
775 2016-03-23 Richard Biener <rguenther@suse.de>
777 PR middle-end/70251
778 * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Adjust
779 mode compatibility check.
780 (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
782 2016-03-23 Jeff Law <law@redhat.com>
784 PR tree-optimization/64058
785 * tree-ssa-coalesce.c (struct coalesce_pair): Add new field
786 CONFLICT_COUNT.
787 (struct ssa_conflicts): Move up earlier in the file.
788 (conflicts_, var_map_): New static variables.
789 (initialize_conflict_count): New function to initialize the
790 CONFLICT_COUNT field for each conflict pair.
791 (compare_pairs): Lazily initialize the conflict count and use it
792 as the first tie-breaker.
793 (sort_coalesce_list): Add new arguments conflicts, map. Initialize
794 and wipe conflicts_ and map_ around the call to qsort. Remove
795 special case for 2 coalesce pairs.
796 * bitmap.c (bitmap_count_unique_bits): New function.
797 (bitmap_count_bits_in_word): New function, extracted from
798 bitmap_count_bits.
799 (bitmap_count_bits): Use bitmap_count_bits_in_word.
800 * bitmap.h (bitmap_count_unique_bits): Declare it.
802 2016-03-23 Ilya Enkovich <enkovich.gnu@gmail.com>
804 PR target/69917
805 * config/i386/sol2.h (ASM_OUTPUT_DEF_FROM_DECLS): Follow
806 transparent alias chain for decl assembler name.
807 * config/sol2.c (solaris_assemble_visibility): Likewise.
809 2016-03-23 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
811 * config/arm/arm1020e.md (1020call_op): Reduce reservation
812 duration.
813 (v10_fdivs): Likewise.
814 (v10_fdivd): Likewise.
816 2016-03-23 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
818 PR driver/70132
819 * config/arm/driver-arm.c (host_detect_local_cpu): Reorder exit logic
820 to not call fclose twice on file.
822 2016-03-23 Jakub Jelinek <jakub@redhat.com>
824 PR tree-optimization/70354
825 * tree-vect-patterns.c (vect_recog_vector_vector_shift_pattern): If
826 oprnd0 is wider than oprnd1 and there is a cast from the wider
827 type to oprnd1, mask it with the mask of the narrower type.
829 PR target/70321
830 * config/i386/i386.md (*anddi3_doubleword, *<code>di3_doubleword):
831 Optimize TARGET_STV splitters, if high or low word of last argument
832 is 0 or -1.
834 2016-03-22 Jeff Law <law@redhat.com>
836 PR target/70232
837 tree-ssa-threadbackward.c
838 (fsm_find_control_statement_thread_paths): Correctly distinguish
839 between old style jump threads vs FSM jump threads.
841 2016-03-22 Ilya Enkovich <enkovich.gnu@gmail.com>
843 PR target/70302
844 * config/i386/i386.c (scalar_chain::convert_op): Support
845 uninitialized register usage case.
847 2016-03-22 Richard Biener <rguenther@suse.de>
849 PR middle-end/70251
850 * genmatch.c (gen_transform): Adjust last parameter to a three-state
851 int...
852 (capture::gen_transform): ... to change behavior when substituting
853 a condition into cond or not-cond expr context.
854 (dt_simplify::gen_1): Adjust.
855 * gimple-match-head.c: Include gimplify.h for unshare_expr.
856 * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Revert
857 last change and instead change to
858 A + (B vcmp C ? 1 : 0) -> A - (B vcmp C ? -1 : 0).
859 (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
861 2016-03-22 Anthony Green <green@moxielogic.com>
863 * config/moxie/moxiebox.h (CC1_SPEC): Define. Fix endianness
864 issue for moxiebox targets.
865 (CC1PLUS_SPEC): Ditto.
867 2016-03-22 Richard Biener <rguenther@suse.de>
869 PR middle-end/70333
870 * fold-const.c (extract_muldiv_1): Properly perform multiplication
871 in the wide type.
873 2016-03-22 Kirill Yukhin <kirill.yukhin@intel.com>
875 * config/i386/i386.c (def_builtin): Remove duplicated functionality.
877 2016-03-22 Kirill Yukhin <kirill.yukhin@intel.com>
879 PR target/70325
880 * config/i386/i386.c (def_builtin): Handle
881 OPTION_MASK_ISA_AVX512VL to be and-ed with other
882 bits.
883 (const struct builtin_description bdesc_special_args[]):
884 Remove duplicate ISA bits.
886 2016-03-22 Jakub Jelinek <jakub@redhat.com>
888 PR target/70329
889 * config/i386/i386.c (ix86_expand_vecop_qihi): Don't bother computing
890 d.perm[i] for i >= d.nelt. If not full_interleave, compute d.perm[i]
891 in a way that works also for AVX512BW.
893 PR target/70300
894 * config/i386/i386.md (cvtsd2ss splitter): Unpack in destination
895 instead of source if operands[1] is xmm16 and above and
896 !TARGET_AVX512VL. Use avx512f_vec_dupv16sf_1 instead of
897 vec_interleave_lowv4sf if we need to unpack xmm16 and above.
899 PR c++/70295
900 * gimplify.c (gimplify_modify_expr): Call gimple_set_no_warning
901 on assign if (*from_p) is a comparison, set it to
902 TREE_NO_WARNING (*from_p).
904 2016-03-21 Jakub Jelinek <jakub@redhat.com>
906 PR middle-end/70326
907 * lra.c (restore_scratches): Ignore deleted insns.
909 2016-03-21 Marc Glisse <marc.glisse@inria.fr>
910 Jakub Jelinek <jakub@redhat.com>
912 PR tree-optimization/70317
913 * match.pd (cmp @0 @0): Pass @0 instead of TYPE_MODE (TREE_TYPE (@0))
914 to HONOR_NANS.
916 2016-03-21 Uros Bizjak <ubizjak@gmail.com>
918 PR target/70327
919 * config/i386/i386.md (movxi): Use ix86_expand_vector_move instead
920 of ix86_expand_move.
921 (movoi): Ditto.
922 (movti): Use general_operand for operand 1 predicate.
924 2016-03-21 Martin Liska <mliska@suse.cz>
926 * hsa-dump.c (dump_hsa_insn_1): dump default branch of SBR
927 insns.
928 (dump_hsa_symbol): Dump BRIG offset of hsa_symbols.
930 2016-03-21 Martin Liska <mliska@suse.cz>
932 PR ipa/70306
933 * ipa-icf.c (sem_function::parse): Skip static
934 constructors and destructors.
936 2016-03-21 Jakub Jelinek <jakub@redhat.com>
938 PR target/70296
939 * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If IDENT is
940 function-like macro, peek following token(s) if it is followed
941 by CPP_OPEN_PAREN token with optional padding in between, and
942 if not, don't treat it like a macro.
944 2016-03-21 Thomas Schwinge <thomas@codesourcery.com>
945 Alexander Monakov <amonakov@ispras.ru>
947 * config/nvptx/nvptx.c (nvptx_option_override): Don't emit sorry
948 for the stabs debug format.
950 2016-03-21 Richard Biener <rguenther@suse.de>
952 PR tree-optimization/70310
953 * tree-vect-generic.c (expand_vector_condition): Fold the built
954 condition.
956 2016-03-21 Kirill Yukhin <kirill.yukhin@intel.com>
958 PR target/70293
959 * config/i386/sse.md: (define_insn "*vec_dup<mode>"/AVX2):
960 Block third alternative for AVX-512VL target,
962 2016-03-21 Martin Liska <mliska@suse.cz>
964 PR hsa/70234
965 * hsa-brig.c (emit_function_directives): Mark unemitted
966 global variables for emission.
967 * hsa-gen.c (hsa_symbol::hsa_symbol): Initialize a new flag.
968 (get_symbol_for_decl): Likewise.
969 * hsa.h (struct hsa_symbol): New flag.
971 2016-03-21 Richard Biener <rguenther@suse.de>
973 PR tree-optimization/70288
974 * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Make sure
975 we do not estimate unsimplified all-constant conditionals or
976 switches as optimized away.
978 2016-03-21 Andrey Belevantsev <abel@ispras.ru>
980 PR rtl-optimization/69102
981 * sched-deps.c (sched_analyze_insn): Do not set last_args_size field
982 when we have a readonly dependency context.
984 2016-03-18 Jeff Law <law@redhat.com>
986 PR rtl-optimization/70263
987 * ira.c (memref_used_between_p): Assert we found END in the insn chain.
988 (update_equiv_regs): When trying to move a store to after the insn
989 that sets the source of the store, make sure the store occurs after
990 the insn that sets the source of the store. When successful note
991 the REG_EQUIV note created in the dump file.
993 2016-03-16 David Wohlferd <dw@LimeGreenSocks.com>
994 Bernd Schmidt <bschmidt@redhat.com>
996 * doc/extend.texi: Document more potential problems with basic asms.
998 2016-03-18 Bernd Schmidt <bschmidt@redhat.com>
1000 PR rtl-optimization/70278
1001 * lra-constraints.c (split_reg): Handle the case where biggest_mode is
1002 VOIDmode.
1004 2016-03-18 Jason Merrill <jason@redhat.com>
1006 * calls.c (load_register_parameters): Fix zero size sibcall logic.
1008 2016-03-18 Kirill Yukhin <kirill.yukhin@intel.com>
1010 * config/i386/sse.md: Use vpbroadcastq for broadcasting DF
1011 values to 128b regs.
1013 2016-03-18 Ilya Enkovich <enkovich.gnu@gmail.com>
1015 PR tree-optimization/70252
1016 * tree-vect-stmts.c (supportable_widening_operation): Check resulting
1017 boolean vector has a proper number of elements.
1018 (supportable_narrowing_operation): Likewise.
1020 2016-03-18 Tom de Vries <tom@codesourcery.com>
1022 PR ipa/70269
1023 * cgraph.c (cgraph_node::get_body): Set dump_file to NULL after save.
1025 2016-03-18 Jakub Jelinek <jakub@redhat.com>
1027 * reload1.c (emit_input_reload_insns): Use simplify_replace_rtx
1028 instead of replace_rtx for DEBUG_INSNs.
1030 2016-03-18 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
1032 * config/i386/znver1.md : Fix latencies of FP/SSE/AVX
1033 load type reservations.
1035 2016-03-17 John David Anglin <danglin@gcc.gnu.org>
1037 PR target/70188
1038 * config/pa/constraints.md: Revert 2015-02-13 change. Use
1039 define_constraint for "Q" and "T" constraints.
1041 2016-03-17 Evandro Menezes <e.menezes@samsung.com>
1043 Tweak the pipeline model for Exynos M1
1045 * config/aarch64/aarch64.c (exynosm1_tunings): Enable weak prefetching
1046 model.
1048 2016-03-17 David Malcolm <dmalcolm@redhat.com>
1050 PR c/70264
1051 * diagnostic-show-locus.c (compatible_locations_p): Handle the case
1052 where one or both locations aren't within a line_map.
1054 2016-03-17 H.J. Lu <hongjiu.lu@intel.com>
1056 PR driver/70192
1057 * opts.c (finish_options): Don't set flag_pie to the default if
1058 -fpic, -fPIC, -fno-pic or -fno-PIC is used. Set flag_pic to 0
1059 if it is -1.
1061 2016-03-17 Joern Rennecke <joern.rennecke@embecosm.com>
1063 * config/i386/i386.md (*movv4qicc_insn+1..36): Pass
1064 true as ALL_REGS argument to replace_rtx.
1066 2016-03-17 Richard Biener <rguenther@suse.de>
1068 PR debug/70271
1069 * dwarf2out.c (dwarf2out_early_finish): Process deferred_asm_name
1070 last.
1072 2016-03-17 Jakub Jelinek <jakub@redhat.com>
1074 PR target/70245
1075 * rtl.h (replace_rtx): Add ALL_REGS argument.
1076 * rtlanal.c (replace_rtx): Likewise. If true, use REGNO
1077 equality and assert mode is the same, instead of just rtx pointer
1078 equality.
1079 * config/i386/i386.md (mov + arithmetics with load peephole): Pass
1080 true as ALL_REGS argument to replace_rtx.
1082 2016-03-17 Ilya Enkovich <enkovich.gnu@gmail.com>
1084 * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Apply
1085 for boolean vector with vector mode only.
1086 (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
1088 2016-03-17 Nick Clifton <nickc@redhat.com>
1090 PR target/70162
1091 * config/rx/rx.c (rx_print_integer): Print negative constants in
1092 decimal.
1094 2016-03-17 Jakub Jelinek <jakub@redhat.com>
1096 PR target/70261
1097 * rtlanal.c (replace_rtx): Revert 2016-03-16 change.
1099 2016-03-16 Richard Henderson <rth@redhat.com>
1100 Richard Biener <rguenth@suse.de>
1102 PR middle-end/70240
1103 PR middle-end/68215
1104 PR tree-opt/68714
1105 * gimplify.c (gimplify_expr) [VEC_COND_EXPR]: Gimplify the
1106 first operand as is_gimple_condexpr.
1108 PR middle-end/70240
1109 PR middle-end/68215
1110 Revert r231575
1111 2015-12-11 Eric Botcazou <ebotcazou@adacore.com>
1112 * tree-vect-generic.c (tree_vec_extract): Remove GSI parameter.
1113 Do not gimplify the result.
1114 (do_unop): Adjust call to tree_vec_extract.
1115 (do_binop): Likewise.
1116 (do_compare): Likewise.
1117 (do_plus_minus): Likewise.
1118 (do_negate): Likewise.
1119 (expand_vector_condition): Likewise.
1120 (do_cond): Likewise.
1122 2016-03-16 Richard Henderson <rth@redhat.com>
1124 PR target/70048
1125 * config/aarch64/aarch64.c (virt_or_elim_regno_p): New.
1126 (aarch64_classify_address): Use it.
1127 (aarch64_legitimize_address): Force all subexpressions of PLUS
1128 into registers. Simplify as (sfp+const)+reg or (reg+reg)+const.
1130 2016-03-16 Jakub Jelinek <jakub@redhat.com>
1131 Richard Biener <rguenth@suse.de>
1133 PR target/70245
1134 * rtlanal.c (replace_rtx): For REG, if from is a REG,
1135 return to even if only REGNO is equal, and assert
1136 mode is the same.
1138 2016-03-11 Jeff Law <law@redhat.com>
1140 PR rtl-optimization/70224
1141 * reorg.c (relax_delay_slots): Pass right argument to CROSSING_JUMP_P.
1143 2016-03-16 Richard Henderson <rth@redhat.com>
1145 PR middle-end/70199
1146 * function.h (struct function): Add has_forced_label_in_static.
1147 * gimplify.c (force_labels_r): Set it.
1148 * lto-streamer-in.c (input_struct_function_base): Read it.
1149 * lto-streamer-out.c (output_struct_function_base): Write it.
1150 * tree-inline.c (has_label_address_in_static_1): Remove.
1151 (copy_forbidden): Remove fndecl parameter; test
1152 has_forced_label_in_static.
1153 (inline_forbidden_p): Update call to copy_forbidden.
1154 (tree_versionable_function_p): Likewise.
1155 * ipa-chkp.c (chkp_instrumentable_p): Likewise.
1156 (chkp_versioning): Likewise.
1157 * tree-inline.h (copy_forbidden): Update decl.
1159 2016-03-16 Marek Polacek <polacek@redhat.com>
1161 PR c/70093
1162 * cgraphunit.c (cgraph_node::expand_thunk): Also build call to the
1163 function being thunked if the result type doesn't have fixed size.
1164 * gimplify.c (gimplify_modify_expr): Also set LHS if the result type
1165 doesn't have fixed size.
1167 2016-03-16 Bin Cheng <bin.cheng@arm.com>
1169 * tree-vect-loop.c (vect_analyze_loop_2): Fix wrong dump info by
1170 reporting malformed loop nest.
1172 2016-03-16 Tom de Vries <tom@codesourcery.com>
1174 PR lto/70187
1175 * ipa-devirt.c (possible_polymorphic_call_targets): Move
1176 nodes.length () == 1 test to before first nodes[0] access.
1178 2016-03-16 Tom de Vries <tom@codesourcery.com>
1180 PR tree-optimization/68715
1181 * graphite-scop-detection.c (scop_detection::merge_sese): Add missing
1182 single_pred_p test.
1184 2016-03-16 Tom de Vries <tom@codesourcery.com>
1186 PR tree-optimization/68809
1187 * graphite-scop-detection.c (same_close_phi_node): Test if result types
1188 are the same.
1190 2016-03-16 Carlos O'Donell <carlos@redhat.com>
1191 Sandra Loosemore <sandra@codesourcery.com>
1193 * doc/extend.texi (Common Function Attributes): Describe ifunc impact
1194 on leaf attribute. Mention ELF interposition problems.
1196 2016-03-16 Alan Modra <amodra@gmail.com>
1198 PR rtl-optimization/69195
1199 PR rtl-optimization/47992
1200 * ira.c (indirect_jump_optimize): Ignore artificial defs.
1201 Add comments.
1203 2016-03-15 Eric Botcazou <ebotcazou@adacore.com>
1205 PR bootstrap/69513
1206 * dwarf2out.c (flush_limbo_die_list): Really flush the limbo list.
1208 2016-03-15 Senthil Kumar Selvaraj <senthil_kumar.selvaraj@atmel.com>
1210 * config/avr/avr.md (rotl<mode>3): Set mode for operand 2.
1212 2016-03-15 Jakub Jelinek <jakub@redhat.com>
1214 PR rtl-optimization/70222
1215 * combine.c (simplify_shift_const_1): For A >> B >> C LSHIFTRT
1216 optimization if mode is different from result_mode, queue up masking
1217 of the result in outer_op. Formatting fix.
1219 PR middle-end/70239
1220 * tree-ssa-sccvn.c (VN_INFO_GET): Use safe_grow_cleared instead
1221 of safe_grow.
1223 2016-03-15 Andrey Belevantsev <abel@ispras.ru>
1225 PR rtl-optimization/69032
1226 * sel-sched-ir.c (get_seqno_by_preds): Include both insn and head when
1227 looping backwards over basic block insns.
1229 2016-03-15 Andrey Belevantsev <abel@ispras.ru>
1231 PR target/66660
1232 * sel-sched-ir.c (merge_expr): Avoid changing the speculative pattern
1233 to non-speculative when propagating trap bits.
1235 2016-03-15 Andrey Belevantsev <abel@ispras.ru>
1237 PR rtl-optimization/63384
1238 * sel-sched.c (invoke_aftermath_hooks): Do not decrease issue_more on
1239 DEBUG_INSN_P insns.
1241 2016-03-15 Andrey Belevantsev <abel@ispras.ru>
1243 PR target/64411
1244 * sched-deps.c (get_implicit_reg_pending_clobbers): New function,
1245 factored out from ...
1246 (sched_analyze_insn): ... here.
1247 * sched-int.h (get_implicit_reg_pending_clobbers): Declare it.
1248 * sel-sched-ir.c (setup_id_implicit_regs): New function, use
1249 get_implicit_reg_pending_clobbers in it.
1250 (setup_id_reg_sets): Use setup_id_implicit_regs.
1251 (deps_init_id): Ditto.
1253 2016-03-15 Tom de Vries <tom@codesourcery.com>
1255 PR ipa/70161
1256 * cgraph.c (cgraph_node::get_body): Save, reset and restore
1257 dump_file_name.
1258 * passes.c (execute_one_ipa_transform_pass): Add missing argument to
1259 execute_function_dump.
1260 (execute_one_pass): Don't dump function if it will be dumped after ipa
1261 transform.
1263 2016-03-15 Segher Boessenkool <segher@kernel.crashing.org>
1265 * genrecog.c (match_pattern_2): If pred is NULL don't call
1266 safe_predicate_mode on it.
1268 2016-03-14 Jakub Jelinek <jakub@redhat.com>
1270 PR middle-end/70219
1271 * lra-constraints.c (delete_move_and_clobber): Change assertion
1272 to also allow dregno == 0.
1274 2016-03-14 Richard Henderson <rth@redhat.com>
1276 PR tree-opt/68714
1277 * tree-ssa-reassoc.c (ovce_extract_ops, optimize_vec_cond_expr): New.
1278 (can_reassociate_p): Allow ANY_INTEGRAL_TYPE_P.
1279 (reassociate_bb): Use optimize_vec_cond_expr; avoid
1280 optimize_range_tests, attempt_builtin_copysign and attempt_builtin_powi
1281 on vectors.
1283 2016-03-14 Bernd Schmidt <bschmidt@redhat.com>
1285 PR target/70083
1286 * lra-lives.c (process_bb_lives): Also update biggest mode for hard
1287 regs.
1288 (lra_create_live_ranges_1): initialize hard register biggest_mode to
1289 VOIDmode.
1290 * lra-constraints.c (split_reg): For hard regs, try to find the
1291 biggest single-register mode used in the function.
1293 2016-03-14 Richard Biener <rguenther@suse.de>
1295 PR tree-optimization/56365
1296 * tree-ssa-phiopt.c (minmax_replacement): Handle alternate
1297 constants to compare against.
1299 2016-03-14 Segher Boessenkool <segher@kernel.crashing.org>
1301 PR target/70098
1302 * config/rs6000/rs6000.md (*ctr<mode>_internal1, *ctr<mode>_internal2,
1303 *ctr<mode>_internal5, *ctr<mode>_internal6): Also allow "d" as output.
1304 (define_split for the GPR case): Use int_reg_operand instead of
1305 gpc_reg_operand for the output.
1307 2016-03-14 Tom de Vries <tom@codesourcery.com>
1309 PR tree-optimization/70045
1310 * graphite-isl-ast-to-gimple.c (graphite_create_new_loop_guard): Unshare
1311 create_empty_if_region_on_edge argument.
1313 2016-03-13 Eric Botcazou <ebotcazou@adacore.com>
1315 * config/arm/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Define.
1316 (STACK_CHECK_PROTECT): Likewise.
1317 * config/i386/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise
1318 (STACK_CHECK_PROTECT): Likewise.
1319 * config/rs6000/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise
1320 (STACK_CHECK_PROTECT): Likewise.
1321 * config/rs6000/vxworksae.h (STACK_CHECK_PROTECT): Likewise.
1322 * config/sparc/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise.
1323 (STACK_CHECK_PROTECT): Likewise.
1325 2016-03-12 Andrey Belevantsev <abel@ispras.ru>
1327 PR rtl-optimization/69307
1328 * sel-sched.c (choose_best_pseudo_reg): Properly check for hard
1329 registers in modes that span more than one register.
1331 2016-03-12 Vladimir Makarov <vmakarov@redhat.com>
1333 PR target/69614
1334 * lra-constraints.c (delete_move_and_clobber): New.
1335 (remove_inheritance_pseudos): Use it.
1337 2016-03-12 Eric Botcazou <ebotcazou@adacore.com>
1339 PR ada/70017
1340 * calls.c (emit_library_call_value_1): Clear the ECF_NOTHROW flag if
1341 the libcall is LCT_THROW.
1342 * explow.c (probe_stack_range): Pass LCT_THROW to emit_library_call
1343 for the checking routine.
1345 2016-03-11 Michael Meissner <meissner@linux.vnet.ibm.com>
1347 PR target/70131
1348 * config/rs6000/rs6000.md (round32<mode>2_fprs): Do not do the
1349 optimization if we have direct move.
1350 (roundu32<mode>2_fprs): Likewise.
1352 2016-03-11 Bernd Schmidt <bschmidt@redhat.com>
1354 PR target/70123
1355 * lra-remat.c (operand_to_remat): Disallow hard regs in the value t
1356 be rematerialized.
1357 (reg_overlap_for_remat_p): Renamed from input_regno_present_p.
1358 Arguments swapped. All callers changed. Take reg_renumber into
1359 account, and Calculate and compare register ranges for hard regs.
1361 2016-03-11 Jeff Law <law@redhat.com>
1363 PR tree-optimization/70190
1364 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
1365 Handle cases where we can not extract the taken edge, even though we
1366 found a constant value.
1368 PR tree-optimization/64058
1369 * tree-ssa-coalesce.c (struct coalesce_pair): Add new field INDEX.
1370 (num_coalesce_pairs): Move up earlier in file.
1371 (find_coalesce_pair): Initialize the INDEX field for each pair
1372 discovered.
1373 (compare_pairs): No longer sort on the elements in each pair.
1374 Instead break ties with the index of the coalesce pair.
1376 2016-03-11 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1378 PR target/70002
1379 * config/aarch64/aarch64-protos.h
1380 (aarch64_save_restore_target_globals): New prototype.
1381 * config/aarch64/aarch64-c.c (aarch64_pragma_target_parse):
1382 Call the above when popping pragma.
1383 * config/aarch64/aarch64.c (aarch64_save_restore_target_globals):
1384 New function.
1385 (aarch64_set_current_function): Rewrite using the above.
1387 2016-03-11 Jakub Jelinek <jakub@redhat.com>
1389 PR tree-optimization/70177
1390 * gimple-expr.h (extract_ops_from_tree_1): Renamed to ...
1391 (extract_ops_from_tree): ... this. In the 2 argument
1392 overload remove _1 suffix.
1393 * gimple-expr.c (extract_ops_from_tree_1): Renamed to ...
1394 (extract_ops_from_tree): ... this.
1395 * gimple.c (gimple_build_assign, gimple_assign_set_rhs_from_tree):
1396 Adjust callers.
1397 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Likewise.
1398 * tree-ssa-forwprop.c (defcodefor_name): Call 3 operand
1399 extract_ops_from_tree instead of 2 operand one.
1401 2016-03-11 Alan Lawrence <alan.lawrence@arm.com>
1403 PR tree-optimization/70013
1404 * tree-sra.c (analyze_access_subtree): Also set grp_unscalarized_data
1405 for constant-pool entries.
1407 2016-03-11 Jakub Jelinek <jakub@redhat.com>
1409 PR rtl-optimization/70174
1410 * expmed.c (store_bit_field_using_insv): Use gen_lowpart_if_possible
1411 followed by gen_lowpart on force_reg instead of just gen_lowpart.
1413 PR tree-optimization/70169
1414 * tree-ssa-loop.c (gen_lsm_tmp_name): Handle FUNCTION_DECL and
1415 LABEL_DECL like VAR_DECL. Emit nothing instead of gcc_unreachable
1416 for unknown codes.
1418 2016-03-11 Ilya Enkovich <enkovich.gnu@gmail.com>
1419 Jakub Jelinek <jakub@redhat.com>
1421 PR target/70160
1422 * config/i386/i386.c (scalar_chain::convert_reg): Skip uses
1423 of uninitialized values.
1425 2016-03-11 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
1427 * config/s390/s390.md ("trunctddd2"): Turn former define_insn into
1428 define_expand.
1429 ("*trunctddd2"): New pattern definition.
1430 ("trunctdsd2"): Set prep_for_short_prec rounding mode for the
1431 TD->DD truncation.
1433 2016-03-11 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
1435 * config/s390/s390.md (BFP_RND_*, DFP_RND_*): Add new constant
1436 definitions for BFP and DFP rounding modes.
1437 ("fixuns_truncdddi2", "fixuns_trunctddi2")
1438 ("fixuns_trunc<BFP:mode><GPR:mode>2", "fixuns_trunc<mode>si2")
1439 ("fix_trunc<DSF:mode><GPR:mode>2", "fix_trunc<mode>di2")
1440 ("fix_trunctf<mode>2"): Use the new constants instead of magic
1441 numbers.
1443 2016-03-11 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
1445 * config/s390/constraints.md: Adjust comment.
1446 ("Y"): Adjust comment. Rename s390_decompose_shift_count to
1447 s390_decompose_addrstyle_without_index.
1448 * config/s390/predicates.md (shift_count_or_setmem_operand):
1449 Rename to setmem_operand.
1450 * config/s390/s390-protos.h
1451 (s390_decompose_shift_count): Rename to
1452 s390_decompose_addrstyle_without_index.
1453 * config/s390/s390.c (s390_decompose_shift_count)
1454 (s390_mem_constraint, print_shift_count_operand)
1455 (print_operand_address, print_operand): Rename
1456 s390_decompose_shift_count to
1457 s390_decompose_addrstyle_without_index and rename
1458 print_shift_count_operand to print_addrstyle_operand troughout the
1459 file.
1460 * config/s390/s390.md ("setmem_long_<P:mode>", "*setmem_long")
1461 ("*setmem_long_and", "*setmem_long_31z", "*setmem_long_and_31z"):
1462 Rename shift_count_or_setmem_operand to setmem_operand.
1463 * config/s390/vx-builtins.md ("vec_insert<mode>")
1464 ("vec_promote<mode>"): Replace shift_count_or_setmem_operand with
1465 nonmemory_operand.
1467 2016-03-10 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1469 PR target/70168
1470 * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap):
1471 Handle overlapping retval and newval.
1473 2016-03-10 Nick Clifton <nickc@redhat.com>
1475 PR target/7044
1476 * config/aarch64/aarch64.c
1477 (aarch64_override_options_after_change_1): When forcing
1478 flag_omit_frame_pointer to be true, use a special value that can
1479 be detected if this function is called again, thus preventing
1480 flag_omit_leaf_frame_pointer from being forced to be false.
1482 2016-03-10 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1484 * common/config/aarch64/aarch64-common.c (aarch64_handle_option):
1485 Set x_flag_omit_leaf_frame_pointer when handling
1486 -momit-leaf-frame-pointer.
1488 2016-03-10 Jan Hubicka <hubicka@ucw.cz>
1490 PR lto/69589
1491 * cgraph.c (cgraph_node::dump): Dump split_part and
1492 indirect_call_target.
1493 * cgraph.h (cgraph_node): Add indirect_call_target flag.
1494 * ipa.c (has_addr_references_p): Cleanup.
1495 (is_indirect_call_target_p): New.
1496 (walk_polymorphic_call_targets): Do not mark virtuals that may be
1497 called indirectly as local.
1498 (symbol_table::remove_unreachable_nodes): Compute indirect_call_target.
1500 2016-03-10 Jan Hubicka <hubicka@ucw.cz>
1502 PR ipa/69630
1503 * ipa-devirt.c (possible_polymorphic_call_targets): Do not ICE
1504 on cxa_pure_virtual.
1506 2016-03-10 Jan Hubicka <hubicka@ucw.cz>
1508 PR lto/69589
1509 * tree.c (free_lang_data_in_decl): Clear visibility of TYPE_DECL.
1511 2016-03-10 Jan Hubicka <hubicka@ucw.cz>
1513 PR lto/69589
1514 * tree.c (need_assembler_name_p): Only record main variant type names.
1516 2016-03-10 Christophe Lyon <christophe.lyon@linaro.org>
1518 PR target/70113.
1519 * config/aarch64/aarch64.h (TARGET_FIX_ERR_A53_843419_DEFAULT):
1520 Always define to 0 or 1.
1521 (TARGET_FIX_ERR_A53_843419): New macro.
1522 * config/aarch64/aarch64-elf-raw.h
1523 (TARGET_FIX_ERR_A53_843419_DEFAULT): Update for above changes.
1524 * config/aarch64/aarch64-linux.h: Likewise.
1525 * config/aarch64/aarch64.c
1526 (aarch64_override_options_after_change_1): Do not default
1527 aarch64_nopcrelative_literal_loads to true if Cortex-A53 erratum
1528 843419 is on.
1529 (aarch64_attributes): Handle fix-cortex-a53-843419.
1530 (aarch64_can_inline_p): Likewise.
1531 * config/aarch64/aarch64.opt (aarch64_fix_a53_err843419): Save.
1533 2016-03-10 Alan Lawrence <alan.lawrence@arm.com>
1534 Jakub Jelinek <jakub@redhat.com>
1536 * common.opt (funconstrained-commons, flag_unconstrained_commons): New.
1537 * tree.c (array_at_struct_end_p): Do not limit to size of decl for
1538 DECL_COMMONS if flag_unconstrained_commons is set.
1539 * tree-dfa.c (get_ref_base_and_extent): Likewise.
1540 * doc/invoke.texi (Optimize Options): Add -funconstrained-commons.
1541 (funconstrained-commons): Document.
1543 2016-03-10 Christophe Lyon <christophe.lyon@linaro.org>
1545 * config/aarch64/t-aarch64 (OPTIONS_H_EXTRA): Add
1546 aarch64-fusion-pairs.def and aarch64-tuning-flags.def
1548 2016-03-10 Ilya Enkovich <enkovich.gnu@gmail.com>
1550 * tree-vect-stmts.c (vectorizable_mask_load_store): Check mask
1551 has a proper number of elements.
1553 2016-03-10 Alan Modra <amodra@gmail.com>
1555 PR rtl-optimization/69195
1556 PR rtl-optimization/47992
1557 * ira.c (recorded_label_ref): Delete.
1558 (update_equiv_regs): Return void.
1559 (indirect_jump_optimize): New function.
1560 (ira): Call indirect_jump_optimize and delete_trivially_dead_insns
1561 before regstat_compute_ri. Don't rebuild_jump_labels here.
1562 Delete update_regstat.
1564 2016-03-10 Richard Biener <rguenther@suse.de>
1566 PR tree-optimization/70128
1567 * tree-ssa-structalias.c (set_uids_in_ptset): Set
1568 vars_contains_nonlocal for any FUNCTION_DECL or LABEL_DECL.
1570 2016-03-09 Jakub Jelinek <jakub@redhat.com>
1572 PR tree-optimization/70152
1573 * tree-sra.c (replace_removed_params_ssa_names): Copy over
1574 SSA_NAME_OCCURS_IN_ABNORMAL_PHI from old_name to new_name.
1576 PR target/70086
1577 * config/i386/i386.md (truncdfsf2 splitter): Use gen_vec_concatv2df
1578 instead of gen_sse2_loadlpd.
1579 * config/i386/sse.md (*vec_concatv2df): Rename to...
1580 (vec_concatv2df): ... this.
1582 PR tree-optimization/70127
1583 * fold-const.c (operand_equal_p): Revert the 2015-10-28 change.
1585 2016-03-09 David Malcolm <dmalcolm@redhat.com>
1587 PR c/68473
1588 PR c++/70105
1589 * diagnostic-show-locus.c (compatible_locations_p): New function.
1590 (layout::layout): Sanitize ranges using compatible_locations_p.
1592 2016-03-09 David Malcolm <dmalcolm@redhat.com>
1594 PR c/68473
1595 PR c++/70105
1596 * diagnostic-show-locus.c (layout_range::layout_range): Replace
1597 location_range param with three const expanded_locations * and a
1598 bool.
1599 (layout::layout): Replace call to
1600 rich_location::lazily_expand_location with get_expanded_location.
1601 Extract the range and perform location expansion here, passing
1602 the results to the layout_range ctor.
1603 * diagnostic.c (source_range::debug): Delete.
1604 * diagnostic.h (diagnostic_expand_location): Reimplement in terms
1605 of rich_location::get_expanded_location.
1606 * gcc-rich-location.c (get_range_for_expr): Delete.
1607 (gcc_rich_location::add_expr): Reimplement to avoid the
1608 rich_location::add_range overload that took a location_range,
1609 passing a location_t instead.
1611 2016-03-09 Richard Biener <rguenther@suse.de>
1612 Jakub Jelinek <jakub@redhat.com>
1614 PR tree-optimization/70138
1615 * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
1616 Also skip vect_double_reduction_def.
1618 2016-03-09 Jakub Jelinek <jakub@redhat.com>
1620 PR target/70049
1621 * config/i386/sse.md (*vec_extract<mode>): Use %0 instead of %k0
1622 if the operand is "m".
1624 2016-03-09 Nathan Sidwell <nathan@acm.org>
1626 * config/nvptx/nvptx.c (nvptx_option_override): Don't kill debug level.
1628 2016-03-09 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
1630 * config/i386/i386.c (processor_target_table): Fix cost table
1631 intialization order for znver1.
1633 2016-03-08 Jakub Jelinek <jakub@redhat.com>
1635 * ipa-polymorphic-call.c (walk_ssa_copies): Fix spelling
1636 - becuase -> because.
1637 * ipa-reference.c (ignore_module_statics): Likewise.
1638 * cgraph.c (cgraph_node::get_body): Likewise.
1639 * ipa-inline.c (early_inliner): Likewise.
1640 * ipa-devirt.c (types_same_for_odr): Likewise.
1641 * tree-streamer-out.c (pack_ts_type_common_value_fields): Likewise.
1642 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Likewise.
1644 2016-03-08 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1646 * tree-ssa-math-opts.c: Fix typo in comment.
1648 2016-03-08 Jakub Jelinek <jakub@redhat.com>
1650 PR target/70110
1651 * config/i386/i386.c (scalar_chain::make_vector_copies,
1652 scalar_chain::convert_reg): Call end_sequence in between
1653 get_insns and emit_conversion_insns rather than after both
1654 calls.
1656 2016-03-07 Uros Bizjak <ubizjak@gmail.com>
1658 PR target/70064
1659 * config/i386/i386.h (machine_function): Add
1660 pc_thunk_call_expanded flag.
1661 (ix86_pc_thunk_call_expanded): New define.
1662 * config/i386/i386.md (set_got, set_got_labelled): New expanders.
1663 (*set_got): Rename insn pattern from set_got.
1664 (*set_got_labelled): Rename inst pattern from set_got_labelled.
1665 * config/i386/i386.c (ix86_compute_frame_layout): Use
1666 ix86_pc_thunk_call_expanded to prevent red-zone.
1668 2016-03-07 Martin Jambor <mjambor@suse.cz>
1670 * hsa.h (hsa_get_ctor_statements): Declare.
1671 (hsa_get_dtor_statements): Likewise.
1672 (hsa_get_kernel_dispatch_type): Likewise.
1673 * hsa.c (hsa_get_ctor_statements): New function.
1674 (hsa_get_dtor_statements): Likewise.
1675 (hsa_get_kernel_dispatch_type): Likewise.
1676 * hsa-brig.c (hsa_cdtor_statements): Removed.
1677 (hsa_output_libgomp_mapping): Use hsa_get_ctor_statements and
1678 hsa_get_dtor_statements.
1679 * hsa-gen.c (hsa_kernel_dispatch_type): Removed.
1680 (get_hsa_kernel_dispatch_offset): Use hsa_get_kernel_dispatch_type.
1682 2016-03-07 Andre Vieira <andre.simoesdiasvieira@arm.com>
1684 * config/arm/arm-cores.def (cortex-r8): New.
1685 * config/arm/arm-tables.opt (cortex-r8): Regenerate.
1686 * config/arm/arm-tune.md: Likewise.
1687 * gcc/doc/invoke.texi: Add cortex-r8 to list of cpu values.
1689 2016-03-07 Martin Sebor <msebor@redhat.com>
1691 PR rtl-optimization/19705
1692 * doc/invoke.texi (Options That Control Optimization): Clarify
1693 -fno-branch-count-reg.
1695 2016-02-26 Richard Biener <rguenther@suse.de>
1696 Jeff Law <law@redhat.com>
1698 PR tree-optimization/69740
1699 * cfghooks.c (remove_edge): Request loop fixups if we delete
1700 an edge that might turn an irreducible loop into a natural
1701 loop.
1702 * cfgloop.h (check_verify_loop_structure): Clear LOOPS_NEED_FIXUP.
1703 Move after definition of loops_state_clear.
1705 2016-03-07 Bin Cheng <bin.cheng@arm.com>
1707 PR rtl-optimization/69052
1708 * rtlanal.c (commutative_operand_precedence): Set higher precedence
1709 to CONST_WIDE_INT.
1711 2016-03-07 Tom de Vries <tom@codesourcery.com>
1713 PR tree-optimization/70116
1714 * tree-ssa-tail-merge.c (merge_stmts_p): New function, handling
1715 is_tm_ending stmts and ubsan/asan internal functions.
1716 (find_duplicate): Use it. Don't test is_tm_ending here.
1718 2016-03-07 Richard Biener <rguenther@suse.de>
1720 PR tree-optimization/70115
1721 * tree-ssa-loop-ivcanon.c (propagate_into_all_uses): Remove.
1722 (propagate_constants_for_unrolling): Use replace_uses_by.
1724 2016-03-07 Nathan Sidwell <nathan@codesourcery.com>
1726 PR middle-end/69916
1727 * omp-low.c (struct oacc_loop): Add ifns.
1728 (new_oacc_loop_raw): Initialize it.
1729 (finish_oacc_loop): Clear mask & flags if no ifns.
1730 (oacc_loop_discover_walk): Count IFN_GOACC_LOOP calls.
1731 (oacc_loop_xform_loop): Add ifns arg & adjust.
1732 (oacc_loop_process): Adjust oacc_loop_xform_loop call.
1734 2016-03-07 Richard Henderson <rth@redhat.com>
1736 PR rtl-opt/70061
1737 * tree-outofssa.c (emit_partition_copy): Flush pending stack adjust.
1738 (insert_value_copy_on_edge): Likewise.
1740 2016-03-07 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1742 * config/arm/arm_neon.h: Show error if using with soft-float ABI.
1744 2016-03-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1746 PR target/62281
1747 * config/i386/sol2.h (STACK_REALIGN_DEFAULT): Define.
1749 2016-03-05 Venkataramanan Kumar <Venkataramanan.kumar@amd.com>
1751 * config/i386/i386.c (znver1_cost): Fix Multiply cost.
1753 2016-03-05 Venkataramanan Kumar <Venkataramanan.kumar@amd.com>
1755 Fix sseimul type attribute.
1756 * config/i386/znver1.md
1757 (znver1_sseimul, znver1_sseimul_avx256, znver1_sseimul_load,
1758 znver1_sseimul_avx256_load) : Fix the type attribute.
1759 (znver1_sseimul_di, znver1_sseimul_load_di): Fix type attribute,
1760 pipe usage and latency.
1762 2016-03-05 Jakub Jelinek <jakub@redhat.com>
1764 PR c++/70084
1765 * tree-inline.c (copy_tree_body_r): When cancelling ADDR_EXPR
1766 of INDIRECT_REF and ADDR_EXPR changed type, fold_convert it
1767 to the right type.
1769 2016-03-04 Bernd Schmidt <bschmidt@redhat.com>
1771 PR c/69973
1772 * targhooks.c (default_vector_alignment): Limit to MAX_OFILE_ALIGNMENT.
1774 PR rtl-optimization/69941
1775 * postreload.c (reload_combine_recognize_pattern): Ensure all uses of
1776 the reg share its mode.
1778 2016-03-04 Jeff Law <law@redhat.com>
1780 PR tree-optimization/69196
1781 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
1782 If the both SSA_NAMEs are anonymous, then consider them unassociated
1783 and include the PHI in the statement count.
1785 2016-03-05 Tom de Vries <tom@codesourcery.com>
1787 * omp-low.c (check_omp_nesting_restrictions): Check for non-oacc
1788 construct in oacc routine. Check for oacc region in oacc routine.
1790 2016-03-04 Jakub Jelinek <jakub@redhat.com>
1792 PR target/70062
1793 * config/i386/i386.c (decide_alg): Add RECUR argument. Revert
1794 2016-02-22 changes, instead don't recurse if RECUR is already true.
1795 Don't change *dynamic_check if RECUR. Adjust recursive caller
1796 to pass true to the new argument.
1797 (ix86_expand_set_or_movmem): Adjust decide_alg caller.
1799 PR target/70059
1800 * config/i386/sse.md (vec_set_lo_<mode><mask_name>,
1801 <extract_type_2>_vinsert<shuffletype><extract_suf_2>_mask): Formatting
1802 fixes.
1803 (vec_set_hi_<mode><mask_name>): Likewise. Swap VEC_CONCAT operands.
1805 2016-03-04 Bernd Schmidt <bschmidt@redhat.com>
1807 PR rtl-optimization/57676
1808 * lra-assigns.c (lra_assign): Guard test for maximum iterations
1809 with flag_checking.
1811 2016-03-04 Ilya Enkovich <enkovich.gnu@gmail.com>
1813 * tree-vect-patterns.c (search_type_for_mask): Handle
1814 comparison of booleans.
1816 2016-03-04 Jakub Jelinek <jakub@redhat.com>
1818 * doc/extend.texi (__builtin_alloca, __builtin_alloca_with_align):
1819 Fix @xref usage.
1821 PR debug/69947
1822 * dwarf2out.c (prune_unused_types_walk_loc_descr): Handle
1823 all other ops that have dw_val_class_die_ref operands,
1824 and DW_OP_GNU_entry_value.
1826 2016-03-03 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1828 PR rtl-optimization/69904
1829 * config/arm/arm.c (arm_cannot_copy_insn_p):
1830 Return true for load-exclusive instructions.
1832 2016-03-03 Jakub Jelinek <jakub@redhat.com>
1834 PR target/70021
1835 * tree-vect-stmts.c (vect_mark_relevant): Remove USED_IN_PATTERN
1836 argument, if STMT_VINFO_IN_PATTERN_P (stmt_info), always mark
1837 the pattern no matter if it is used just by non-pattern, pattern
1838 or mix thereof.
1839 (process_use, vect_mark_stmts_to_be_vectorized): Adjust callers.
1840 * tree-vect-patterns.c (vect_recog_vector_vector_shift_pattern): If
1841 oprnd1 def_stmt is in pattern, don't look through it.
1843 2016-03-03 Marek Polacek <polacek@redhat.com>
1845 PR middle-end/70050
1846 * match.pd (X % -Y): Add INTEGRAL_TYPE_P check.
1848 2016-03-03 Martin Liska <mliska@suse.cz>
1850 PR tree-optimization/70043
1851 * tree-vect-loop.c (optimize_mask_stores): Move iterator to
1852 previous statement if we see a debug statement.
1854 2016-03-03 Richard Biener <rguenther@suse.de>
1856 PR tree-optimization/55936
1857 * tree-vrp.c (compare_name_with_value): Add use_equiv_p
1858 parameter and guard unsafe equivalence use.
1859 (vrp_evaluate_conditional_warnv_with_ops): Always use
1860 safe equivalences but not via the quadratic compare_names
1861 helper.
1863 2016-03-03 Michael Collison <michael.collison@linaro.org>
1865 PR target/70014
1866 * config/arm/arm.md (*subsi3_carryin_const): Change predicate
1867 for operand 1 to s_register_operand. Change predicate for operand
1868 2 to arm_not_immediate_operand.
1870 2016-03-02 H.J. Lu <hongjiu.lu@intel.com>
1872 * doc/tm.texi: Regenerated.
1874 2016-03-02 Richard Henderson <rth@redhat.com>
1876 PR rtl-opt/67145
1877 * simplify-rtx.c (simplify_plus_minus): Allow reassoc without
1878 simplification when all args are positive non-fixed registers.
1880 2016-03-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1882 * target.def (lra_p): Specify that new ports should use LRA.
1884 2016-03-02 Jakub Jelinek <jakub@redhat.com>
1886 PR libgomp/69555
1887 * gimplify.c (gimplify_decl_expr): For decls with REFERENCE_TYPE, also
1888 gimplify_type_sizes the type they refer to.
1889 (omp_notice_variable): Handle reference vars to VLAs.
1890 * omp-low.c (lower_omp_target): Emit setup of OMP_CLAUSE_PRIVATE
1891 reference to VLA decls in the second pass instead of first pass.
1893 2016-03-02 Tom de Vries <tom@codesourcery.com>
1895 PR tree-optimization/68659
1896 * graphite-isl-ast-to-gimple.c (collect_all_ssa_names): Handle
1897 new_expr == NULL_TREE.
1898 (get_new_name): Handle ADDR_EXPR.
1900 2016-03-02 Bin Cheng <bin.cheng@arm.com>
1902 PR rtl-optimization/69052
1903 * loop-invariant.c (canonicalize_address): New function.
1904 (inv_can_prop_to_addr_use): Check validity of address expression
1905 which is canonicalized by above function.
1907 2016-03-02 Alan Modra <amodra@gmail.com>
1909 PR ipa/69990
1910 * ipa-icf.c (sem_variable::merge): Do not merge an alias with
1911 larger alignment.
1913 2016-03-02 Jakub Jelinek <jakub@redhat.com>
1915 PR target/70028
1916 * config/i386/i386.md (kmovw): Move m constraint to 2nd alternative.
1917 (*movhi_internal): Put mask moves from and to memory separately
1918 from moves from/to GPRs.
1920 2016-03-02 Richard Biener <rguenther@suse.de>
1922 * genmatch.c (dt_node::gen_kids): Fix match code-gen for embedded
1923 GENERIC expressions in GIMPLE.
1925 2016-03-02 Richard Biener <rguenther@suse.de>
1927 * config/i386/i386.c (type_natural_mode): Fix typo.
1929 2016-03-02 Nick Clifton <nickc@redhat.com>
1931 * config.gcc (mep-*-elf): Add newlib-stdint.h to tm_file.
1933 2016-03-02 Richard Biener <rguenther@suse.de>
1934 Uros Bizjak <ubizjak@gmail.com>
1936 PR target/67278
1937 * config/i386/i386.c (type_natural_mode): Handle XFmode vectors.
1939 2016-03-02 Richard Biener <rguenther@suse.de>
1941 PR middle-end/67278
1942 * tree-cfg.c (verify_expr): Adjust BIT_FIELD_REF case.
1944 2016-03-02 Marek Polacek <polacek@redhat.com>
1946 PR c/67854
1947 * gimplify.c (gimplify_va_arg_expr): Use expanded location for the
1948 "is promoted to" warning.
1950 2016-03-01 DJ Delorie <dj@redhat.com>
1952 * config.gcc: Deprecate mep-*.
1954 2016-03-01 Vladimir Makarov <vmakarov@redhat.com>
1956 PR middle-end/70025
1957 * lra-constraints.c (regno_val_use_in): New.
1958 (match_reload): Use it instead of regno_use_in.
1960 2016-03-01 Eric Botcazou <ebotcazou@adacore.com>
1962 PR rtl-optimization/70007
1963 * gcse.c (compute_ld_motion_mems): Tidy up and also invalidate memory
1964 references present in REG_EQUAL notes attached to non-SET patterns.
1966 2016-03-01 Jeff Law <law@redhat.com>
1968 PR tree-optimization/69196
1969 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
1970 Appropriately clamp the number of statements to copy when the
1971 thread path does not traverse a loop backedge.
1973 PR tree-optimization/69196
1974 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
1975 Do count some PHIs in the thread path against the insn count. Decrease
1976 final statement count by one as the control statement in the last
1977 block will get removed. Remove special cased code for handling PHIs
1978 in the last block.
1980 2016-03-01 Uros Bizjak <ubizjak@gmail.com>
1982 PR target/70027
1983 * config/i386/i386.c (ix86_output_call_insn): Add -masm=intel
1984 asm dialect alternatives to explicit GOTPCREL calls.
1986 2016-03-01 Eric Botcazou <ebotcazou@adacore.com>
1988 PR ada/70017
1989 * ira.c (do_reload): Issue warning for generic stack checking here...
1990 * reload1.c (reload): ...instead of here and streamline it.
1992 2016-03-01 Nick Clifton <nickc@redhat.com>
1994 * config.gcc (cr16-*-elf): Add newlib-stdint.h to tm_file.
1996 2016-03-01 Richard Biener <rguenther@suse.de>
1998 PR tree-optimization/69983
1999 * tree-chrec.c (eq_evolutions_p): Handle conversions, compare
2000 types and fall back to operand_equal_p.
2002 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
2004 Revert
2005 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
2007 * config/s390/constraints.md ("jm8"): New constraint.
2008 * config/s390/predicates.md ("const_int_8bitset_operand"): New
2009 predicate.
2010 * config/s390/s390.md ("*setmem_long", "*setmem_long_and"): Merge
2011 into ...
2012 ("*setmem_long<setmem_and>"): New pattern.
2013 ("*setmem_long_31z", "*setmem_long_and_31z"): Merge
2014 into ...
2015 ("*setmem_long_31z<setmem_and>"): New pattern.
2016 * config/s390/subst.md ("setmem_31z_subst", "setmem_and_subst"):
2017 New substitution rules with the required attributes.
2020 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
2022 Revert
2023 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
2025 * gensupport.c (process_substs_on_one_elem): Split loop to
2026 complete mark_operands_used_in_match_dup on all expressions in the
2027 vector first.
2028 (adjust_operands_numbers): Inline into process_substs_on_one_elem
2029 and remove function.
2031 2016-03-01 Richard Biener <rguenther@suse.de>
2033 PR middle-end/70022
2034 * fold-const.c (fold_indirect_ref_1): Fix range checking for
2035 vector BIT_FIELD_REF extract.
2037 2016-03-01 Richard Biener <rguenther@suse.de>
2039 PR tree-optimization/69994
2040 * tree-ssa-reassoc.c (ops_equal_values_p): Handle missing case.
2042 2016-03-01 Ilya Enkovich <enkovich.gnu@gmail.com>
2044 PR tree-optimization/69956
2045 * tree-vect-stmts.c (supportable_widening_operation): Support
2046 multi-step conversion of boolean vectors.
2047 (supportable_narrowing_operation): Likewise.
2049 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
2051 * config/s390/s390.c (s390_decompose_address): Don't accept SImode
2052 anymore.
2054 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
2056 * config/s390/subst.md (DSI_VI): New mode iterator.
2057 ("addr_style_op_subst"): Use DSI_VI instead of DSI.
2058 * config/s390/vector.md ("vec_set<mode>"): Move expander before
2059 the insn definition.
2060 ("*vec_set<mode>"): Change predicate and add alternative to
2061 support only either register or const_int operands as element
2062 selector.
2063 ("*vec_set<mode>_plus"): New pattern to support reg + const_int
2064 operands.
2065 ("vec_extract<mode>"): New expander.
2066 ("*vec_extract<mode>"): New insn definition supporting reg and
2067 const_int element selectors.
2068 ("*vec_extract<mode>_plus"): New insn definition supporting
2069 reg+const_int element selectors.
2070 ("rotl<mode>3", "ashl<mode>3", "ashr<mode>3"): Merge into the
2071 following expander+insn definition.
2072 ("<vec_shifts_name><mode>3"): New expander.
2073 ("*<vec_shifts_name><mode>3<addr_style_op>"): New insn definition.
2075 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
2077 * config/s390/s390.md ("*tabort_1"): Change predicate to
2078 nonmemory_operand. Add a second alternative to cover
2079 register as well as const int operands.
2080 ("*tabort_1_plus"): New pattern definition.
2082 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
2084 * config/s390/s390.md ("*ashrdi3_cc_31")
2085 ("*ashrdi3_cconly_31""*ashrdi3_cc_31_and")
2086 ("*ashrdi3_cconly_31_and", "*ashrdi3_31_and", "*ashrdi3_31"):
2087 Merge insn definitions into ...
2088 ("*ashrdi3_31<addr_style_op_cc><masked_op_cc><setcc><cconly>"):
2089 New pattern definition.
2090 ("*ashr<mode>3_cc", "*ashr<mode>3_cconly", "ashr<mode>3", )
2091 ("*ashr<mode>3_cc_and", "*ashr<mode>3_cconly_and")
2092 ("*ashr<mode>3_and"): Merge insn definitions into ...
2093 ("*ashr<mode>3<addr_style_op_cc><masked_op_cc><setcc><cconly>"):
2094 New pattern definition.
2095 * config/s390/subst.md ("addr_style_op_cc_subst")
2096 ("masked_op_cc_subst", "setcc_subst", "cconly_subst"): New
2097 substitutions patterns plus attributes.
2098 Add ashiftrt to SUBST iterator.
2100 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
2102 * config/s390/s390.md ("<shift><mode>3"): Change predicate of
2103 op2 to nonmemory_operand.
2104 ("*<shift>di3_31", "*<shift>di3_31_and"):
2105 Merge into single pattern definition ...
2106 ("*<shift>di3_31<addr_style_op><masked_op>"): New pattern.
2107 ("*<shift><mode>3", "*<shift><mode>3_and"): Merge into single
2108 pattern definition ...
2109 ("*<shift><mode>3<addr_style_op><masked_op>"): New pattern.
2110 * config/s390/subst.md: Add ashift and lshiftrt to SUBST
2111 iterator.
2113 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
2115 * config/s390/predicates.md (const_int_6bitset_operand): New
2116 predicate.
2117 * config/s390/s390.md: Include subst.md.
2118 ("rotl<mode>3"): New expander.
2119 ("rotl<mode>3", "*rotl<mode>3_and"): Merge insn definitions into
2120 ...
2121 ("*rotl<mode>3<addr_style_op><masked_op>"): New insn definition.
2122 * config/s390/subst.md: New file.
2124 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
2126 * config/s390/s390.md ("op_type", "atype", "length" attributes):
2127 Remove RRR type. It doesn't really exist.
2128 ("RRer", "f0", "v0", "vf", "vd", "op1", "Rf"): Remove mode
2129 attributes.
2130 ("BFP", "DFP", "nDSF", "nDFDI"): Add mode attributes.
2131 ("*cmp<mode>_ccs", "floatdi<mode>2", "add<mode>3")
2132 ("*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3")
2133 ("*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3")
2134 ("fma<mode>4", "fms<mode>4", "div<mode>3", "*neg<mode>2")
2135 ("*abs<mode>2", "*negabs<mode>2", "sqrt<mode>2"): Override
2136 `enabled' attribute.
2138 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
2140 * gensupport.c (process_substs_on_one_elem): Split loop to
2141 complete mark_operands_used_in_match_dup on all expressions in the
2142 vector first.
2143 (adjust_operands_numbers): Inline into process_substs_on_one_elem
2144 and remove function.
2146 2016-02-29 Eric Botcazou <ebotcazou@adacore.com>
2148 PR target/69706
2149 * config/sparc/sparc.c (NWORDS_UP): Rename to...
2150 (CEIL_NWORDS): ...this. Use CEIL macro.
2151 (compute_fp_layout): Adjust to above renaming.
2152 (function_arg_union_value): Likewise.
2153 (sparc_arg_partial_bytes): Likewise.
2154 (sparc_function_arg_advance): Likewise.
2156 2016-02-29 Jeff Law <law@redhat.com>
2158 PR tree-optimization/70005
2159 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Handle case
2160 where an object with a boolean range is compared against a value
2161 outside [0..1].
2163 PR tree-optimization/69999
2164 * gimple-ssa-split-paths.c (split_paths): When duplicating a block
2165 with an outgoing edge marked with EDGE_IRREDUCIBLE_LOOP, schedule
2166 loop cleanups.
2168 2016-02-29 Richard Biener <rguenther@suse.de>
2170 PR tree-optimization/69994
2171 * tree-ssa-reassoc.c (gimple_nop_conversion_p): New function.
2172 (get_unary_op): Look through nop conversions.
2173 (ops_equal_values_p): New function, look for equality diregarding
2174 nop conversions.
2175 (eliminate_plus_minus_pair): Use ops_equal_values_p
2176 (repropagate_negates): Do not use get_unary_op here.
2178 2016-02-29 Martin Liska <mliska@suse.cz>
2180 * system.h: Poison ENABLE_CHECKING macro.
2182 2016-02-29 Martin Liska <mliska@suse.cz>
2184 * hsa-gen.c (gen_body_from_gimple): Dump only if TDF_DETAILS
2185 is presented in dump flags.
2186 * hsa-regalloc.c (linear_scan_regalloc): Likewise.
2187 (hsa_regalloc): Likewise.
2189 2016-02-19 Richard Biener <rguenther@suse.de>
2191 PR tree-optimization/69980
2192 * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Update
2193 permutation of those we need to keep.
2195 2016-02-29 Eric Botcazou <ebotcazou@adacore.com>
2197 PR target/69706
2198 * config/sparc/sparc.c (ROUND_ADVANCE): Rename to...
2199 (NWORDS_UP): ...this
2200 (init_cumulative_args): Minor tweaks.
2201 (sparc_promote_function_mode): Likewise.
2202 (scan_record_type): Delete.
2203 (traverse_record_type): New function template.
2204 (classify_data_t): New structure type.
2205 (classify_registers): New inline function.
2206 (function_arg_slotno): In 64-bit mode, bail out early if FP slots are
2207 exhausted. Instantiate traverse_record_type on classify_registers and
2208 deal with the case of a structure passed in slot #15 with no FP field
2209 in the first word.
2210 (assign_data_t): New structure type.
2211 (compute_int_layout): New static function.
2212 (compute_fp_layout): Likewise.
2213 (count_registers): New inline function.
2214 (assign_int_registers): New static function.
2215 (assign_fp_registers): Likewise.
2216 (assign_registers): New inline function.
2217 (function_arg_record_value_1): Delete.
2218 (function_arg_record_value_2): Likewise.
2219 (function_arg_record_value_3): Likewise.
2220 (function_arg_record_value): Adjust to above changes. Instantiate
2221 traverse_record_type on count_registers to first count the number of
2222 registers to be used and then on assign_registers to assign them.
2223 (function_arg_union_value): Adjust to above renaming.
2224 (sparc_function_arg_1); Minor tweaks. Remove commented out code.
2225 (sparc_arg_partial_bytes): Adjust to above renaming. Deal with the
2226 case of a structure passed in slot #15
2227 (sparc_function_arg_advance): Likewise.
2228 (function_arg_padding): Minor tweak.
2230 2016-02-29 Richard Biener <rguenther@suse.de>
2232 PR tree-optimization/69720
2233 * tree-vect-loop.c (get_initial_def_for_reduction): Avoid
2234 the adjustment_def path for possibly vectorized defs.
2235 (vect_create_epilog_for_reduction): Handle vectorized initial
2236 defs properly.
2238 2016-02-28 Eric Botcazou <ebotcazou@adacore.com>
2240 * config/i386/cygming.h (STACK_REALIGN_DEFAULT): Define.
2242 2016-02-27 Jeff Law <law@redhat.com>
2244 Revert
2245 2016-02-26 Richard Biener <rguenther@suse.de>
2246 Jeff Law <law@redhat.com>
2248 PR tree-optimization/69740
2249 * cfghooks.c (remove_edge): Request loop fixups if we delete
2250 an edge that might turn an irreducible loop into a natural
2251 loop.
2253 2016-02-27 Jakub Jelinek <jakub@redhat.com>
2255 PR rtl-optimization/69896
2256 * tree-vect-generic.c (get_compute_type): Avoid single element
2257 vector types.
2259 2016-02-26 Evandro Menezes <e.menezes@samsung.com>
2261 Rename the AArch64 tuning option and related functions to enable the
2262 Newton series for the reciprocal square root to reflect its
2263 approximative characteristic.
2265 * config/aarch64/aarch64-protos.h (aarch64_emit_swrsqrt): Rename
2266 function to "aarch64_emit_approx_rsqrt".
2267 * config/aarch64/aarch64-tuning-flags.def: Rename tuning flag to
2268 AARCH64_EXTRA_TUNE_APPROX_RSQRT.
2269 * config/aarch64/aarch64.c (exynosm1_tunigs): Use new flag name.
2270 (xgene1_tunings): Likewise.
2271 (use_rsqrt_p): Likewise.
2272 (aarch64_emit_swrsqrt): Use new function name.
2273 * config/aarch64/aarch64-simd.md (aarch64_rsqrts_*): Likewise.
2274 * config/aarch64/aarch64.opt (mlow-precision-recip-sqrt): Reword the
2275 text explaining this option.
2276 * doc/invoke.texi (-mlow-precision-recip-sqrt): Likewise.
2278 2016-02-26 Jakub Jelinek <jakub@redhat.com>
2280 PR target/69969
2281 * config/rs6000/rs6000.c (rs6000_option_override_internal): Don't
2282 complain about -mallow-movmisalign without -mvsx if
2283 TARGET_ALLOW_MOVMISALIGN was not set explicitly.
2285 2016-02-26 Joel Sherrill <joel@rtems.org>
2287 * config.gcc: Add x86_64-*-rtems*.
2288 * gcc/config/i386/rtems-64.h: New file.
2290 2016-02-26 Joel Sherrill <joel@rtems.org>
2292 * config.gcc: Add aarch64-*-rtems*.
2293 * gcc/config/aarch64/rtems.h: New file.
2295 2016-02-26 Segher Boessenkool <segher@kernel.crashing.org>
2297 PR target/69946
2298 * config/rs6000/rs6000.c (rs6000_insn_for_shift_mask): Print rlwinm
2299 shift amount using %h. Add comment.
2301 2016-02-26 Richard Biener <rguenther@suse.de>
2302 Jeff Law <law@redhat.com>
2304 PR tree-optimization/69740
2305 * cfghooks.c (remove_edge): Request loop fixups if we delete
2306 an edge that might turn an irreducible loop into a natural
2307 loop.
2309 2016-02-26 Martin Jambor <mjambor@suse.cz>
2311 PR middle-end/69920
2312 * tree-sra.c (sra_modify_assign): Do not remove loads of
2313 uninitialized aggregates to SSA_NAMEs.
2315 2016-02-26 Richard Henderson <rth@redhat.com>
2317 PR target/69709
2318 * config/s390/s390.md (risbg and risbgn splitters): Allocate new
2319 pseudo in case the target rtx matches the source of the left
2320 shift.
2322 2016-02-26 Martin Jambor <mjambor@suse.cz>
2324 PR hsa/69568
2325 * hsa.h (hsa_type_packed_p): Declare.
2326 * hsa.c (hsa_type_packed_p): New function.
2327 * hsa-gen.c (mem_type_for_type): Use unsigned type for packed
2328 loads.
2329 (gen_hsa_insns_for_store): Use hsa_type_packed_p.
2330 * hsa-brig.c (emit_basic_insn): Likewise.
2332 2016-02-26 Martin Jambor <mjambor@suse.cz>
2334 pr hsa/69674
2335 * hsa-gen.c (gen_hsa_phi_from_gimple_phi): Use proper hsa type for
2336 pointers.
2337 (gen_hsa_addr): Allow integer constants in TMR_INDEX2.
2339 2016-02-26 Martin Jambor <mjambor@suse.cz>
2341 * hsa.h (is_a_helper): New overload for hsa_op_immed for
2342 hsa_op_with_type operands.
2343 (hsa_unsigned_type_for_type): Declare.
2344 * hsa.c (hsa_unsigned_type_for_type): New function.
2345 * hsa-gen.c (gen_hsa_binary_operation): Use hsa_unsigned_type_for_type.
2346 (gen_hsa_insns_for_operation_assignment): Satisfy constrains of
2347 the finalizer. Do not emit extra move.
2349 2016-02-26 Martin Jambor <mjambor@suse.cz>
2351 * hsa-gen.c (gen_hsa_ternary_atomic_for_builtin): Fail in presence of
2352 atomic operations in private segment.
2354 2016-02-26 Martin Jambor <mjambor@suse.cz>
2356 * omp-low.c (grid_find_ungridifiable_statement): Store problematic
2357 statements to wi->info. Also disallow omp simd constructs.
2358 (grid_target_follows_gridifiable_pattern): Use wi.info to dump reason
2359 for not gridifying. Dump special string for omp_for.
2361 2016-02-26 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
2363 PR target/69245
2364 * config/aarch64/aarch64.c (aarch64_set_current_function):
2365 Save/restore target globals when switching to
2366 target_option_default_node.
2368 2016-02-26 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
2370 PR target/69613
2371 * config/aarch64/aarch64.c (aarch64_shift_truncation_mask):
2372 Return 0 if !SHIFT_COUNT_TRUNCATED.
2374 2016-02-26 Jakub Jelinek <jakub@redhat.com>
2375 Eric Botcazou <ebotcazou@adacore.com>
2377 PR rtl-optimization/69891
2378 * dse.c (scan_insn): If we can't figure out memset arguments
2379 or they are non-constant, call clear_rhs_from_active_local_stores.
2381 2016-02-26 Martin Liska <mliska@suse.cz>
2383 * doc/extend.texi: Mention clog10, clog10f an clog10l
2384 in Builtins section.
2386 2016-02-26 Martin Liska <mliska@suse.cz>
2388 * dwarf2out.c (new_loc_descr): Replace ENABLE_CHECKING with
2389 CHECKING_P.
2390 (resolve_args_picking_1): Likewise.
2391 * dwarf2out.h (struct GTY): Likewise.
2393 2016-02-26 Martin Liska <mliska@suse.cz>
2395 * hsa-gen.c (generate_hsa): Replace ENABLE_CHECKING macro
2396 with flag_checking.
2397 * hsa-regalloc.c (linear_scan_regalloc): Likewise.
2399 2016-02-26 Markus Trippelsdorf <markus@trippelsdorf.de>
2400 Martin Liska <mliska@suse.cz>
2402 * doc/install.texi: Mention --enable-valgrind-annotations.
2404 2016-02-26 Richard Biener <rguenther@suse.de>
2406 PR tree-optimization/69551
2407 * tree-ssa-structalias.c (get_constraint_for_ssa_var): When
2408 looking through aliases adjust DECL_PT_UID to refer to the
2409 ultimate alias target.
2411 2016-02-25 Martin Liska <mliska@suse.cz>
2413 PR middle-end/69919
2414 * alloc-pool.c (after_memory_report): New variable.
2415 * alloc-pool.h (base_pool_allocator ::release): Do not use
2416 the infrastructure if after_memory_report.
2417 * toplev.c (toplev::main): Mark after memory report.
2419 2016-02-25 Richard Biener <rguenther@suse.de>
2421 PR tree-optimization/48795
2422 * tree-vrp.c (check_array_ref): Use array_at_struct_end_p.
2424 2016-02-25 Ilya Verbin <ilya.verbin@intel.com>
2426 PR driver/68463
2427 * config/gnu-user.h (CRTOFFLOADBEGIN): Define. Add crtoffloadbegin.o if
2428 offloading is enabled and -fopenacc or -fopenmp is specified.
2429 (CRTOFFLOADEND): Likewise.
2430 (GNU_USER_TARGET_STARTFILE_SPEC): Add CRTOFFLOADBEGIN.
2431 (GNU_USER_TARGET_ENDFILE_SPEC): Add CRTOFFLOADEND.
2432 * lto-wrapper.c (offloadbegin, offloadend): Remove static vars.
2433 (offload_objects_file_name): New static var.
2434 (tool_cleanup): Remove offload_objects_file_name file.
2435 (find_offloadbeginend): Replace with ...
2436 (find_crtoffloadtable): ... this.
2437 (run_gcc): Remove offload_argc and offload_argv.
2438 Get offload_objects_file_name from -foffload-objects=... option.
2439 Read names of object files with offload from this file, pass them to
2440 compile_images_for_offload_targets. Don't call find_offloadbeginend and
2441 don't pass offloadbegin and offloadend to the linker. Don't pass
2442 offload non-LTO files to the linker, because now they're not claimed.
2444 2016-02-25 Jan Hubicka <hubicka@ucw.cz>
2446 PR ipa/69630
2447 * ipa-devirt.c (possible_polymorphic_call_targets): Do not ICE
2448 on builtin_unreachable.
2450 2016-02-25 Jakub Jelinek <jakub@redhat.com>
2452 PR rtl-optimization/69896
2453 * regcprop.c: Include cfgrtl.h.
2454 (copyprop_hardreg_forward_1): If noop_p insn uses narrower
2455 than remembered mode, either delete it (if noop_move_p), or
2456 treat like copy_p but not noop_p instruction.
2458 2016-02-24 Jakub Jelinek <jakub@redhat.com>
2460 PR debug/69705
2461 * dwarf2out.c (gen_variable_die): Work around buggy LTO
2462 - allow NULL decl for Fortran DW_TAG_common_block variables.
2464 2016-02-24 Jason Merrill <jason@redhat.com>
2466 * common.opt (flifetime-dse): Add -flifetime-dse=1.
2468 2016-02-24 Richard Biener <rguenther@suse.de>
2469 Jakub Jelinek <jakub@redhat.com>
2471 PR middle-end/69760
2472 * tree-scalar-evolution.c (interpret_rhs_expr): Re-write
2473 conditionally executed ops to well-defined overflow behavior.
2475 2016-02-24 Jakub Jelinek <jakub@redhat.com>
2477 PR middle-end/69915
2478 * tree.c (build_vector_from_ctor): Fix handling of VECTOR_CST
2479 elements.
2481 2016-02-24 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
2483 PR rtl-optimization/69886
2484 * gcse.c (can_assign_to_reg_without_clobbers_p): Accept mode
2485 argument. Use it when checking validity of set instructions.
2486 (want_to_gcse_p): Pass mode to can_assign_to_reg_without_clobbers_p.
2487 (compute_ld_motion_mems): Update can_assign_to_reg_without_clobbers_p
2488 callsite.
2489 * rtl.h (can_assign_to_reg_without_clobbers_p): Update prototype.
2490 * store-motion.c (find_moveable_store): Update
2491 can_assign_to_reg_without_clobbers_p callsite.
2493 2016-02-24 Richard Biener <rguenther@suse.de>
2495 PR middle-end/68963
2496 * tree-ssa-loop-niter.c (derive_constant_upper_bound_ops): Fix
2497 bogus check.
2498 (record_nonwrapping_iv): Do not fall back to the low/high bound
2499 for non-constant IV bases if the stmt is not always executed.
2501 2016-02-24 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
2503 * config/arm/arm-cores.def (cortex-a32): New entry.
2504 * config/arm/arm-tables.opt: Regenerate.
2505 * config/arm/arm-tune.md: Regenerate.
2506 * config/arm/bpabi.h (BE8_LINK_SPEC): Add mcpu=cortex-a32.
2507 * config/arm/t-aprofile: Handle mcpu=cortex-a32.
2508 * doc/invoke.texi (ARM Options): Document cortex-a32 as value
2509 for -mcpu and -mtune.
2511 2016-02-24 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
2513 PR target/69875
2514 * config/arm/arm.h (TARGET_HAVE_LPAE): Define.
2515 * config/arm/unspecs.md (VUNSPEC_LDRD_ATOMIC): New value.
2516 * config/arm/sync.md (arm_atomic_loaddi2_ldrd): New pattern.
2517 (atomic_loaddi_1): Delete.
2518 (atomic_loaddi): Rewrite expander using the above changes.
2520 2016-02-24 Jakub Jelinek <jakub@redhat.com>
2522 PR c/69918
2523 * params.def (PARAM_MAX_SSA_NAME_QUERY_DEPTH): Bump default from
2524 2 to 3.
2526 2016-02-24 Jakub Jelinek <jakub@redhat.com>
2527 Richard Biener <rguenth@suse.de>
2529 PR middle-end/69909
2530 * expr.c (expand_expr_real_1) <normal_inner_ref>: Avoid
2531 set_mem_attributes if tem is SSA_NAME which got expanded
2532 as a MEM.
2534 2016-02-24 Richard Biener <rguenther@suse.de>
2536 PR tree-optimization/69907
2537 * tree-vect-stmts.c (vectorizable_load): Check for gaps at the
2538 end of permutations for BB vectorization.
2540 2016-02-24 Christian Bruel <christian.bruel@st.com>
2542 * config/arm/arm-c.c (arm_option_override): Initialize
2543 target_option_current_node.
2544 * config/arm/arm.c (arm_pragma_target_parse): Replace
2545 build_target_option_node call by target_option_current_node.
2546 Set target_option_current_node.
2547 Fix comments.
2549 2016-02-23 David Edelsohn <dje.gcc@gmail.com>
2551 PR target/69810
2552 * config/rs6000/rs6000.md (zero_extendqi<mode>2_dot): Convert from
2553 define_insn_and_split to define_insn.
2554 (zero_extendqi<mode>2_dot2): Same.
2555 (extendqi<mode>2_dot): Same.
2556 (extendqi<mode>2_dot2): Same.
2558 2016-02-23 Evandro Menezes <e.menezes@samsung.com>
2560 * config/arm/exynos-m1.md: Change cost of STP, fix bypass for stores
2561 and add bypass for AES{D,E} and AESMC pairs.
2562 * config/aarch64/aarch64.c (exynosm1_tunings): Enable fusion of AES{D,E}
2563 and AESMC pairs.
2565 2016-02-23 Evandro Menezes <e.menezes@samsung.com>
2567 * config/aarch64/aarch64.c (exynosm1_tunings): Enable the Newton
2568 series for reciprocal square root in Exynos M1.
2570 2016-02-23 Martin Sebor <msebor@redhat.com>
2572 PR c/69759
2573 * doc/extend.texi (Other Builtins): Document __builtin_alloca and
2574 __builtin_alloca_with_align.
2576 2016-02-23 Richard Henderson <rth@redhat.com>
2578 * config/i386/i386-c.c (ix86_target_macros): Remove __SEG_TLS.
2579 (ix86_register_pragmas): Remove __seg_tls.
2580 * config/i386/i386-protos.h (ADDR_SPACE_SEG_TLS): Remove.
2581 * config/i386/i386.c (ix86_print_operand_address_as): Don't handle it.
2582 (ix86_addr_space_subset_p, TARGET_ADDR_SPACE_SUBSET_P): Remove.
2583 (ix86_addr_space_convert, TARGET_ADDR_SPACE_CONVERT): Remove.
2584 (ix86_addr_space_debug, TARGET_ADDR_SPACE_DEBUG): Remove.
2585 * doc/extend.texi (__seg_tls): Remove item.
2587 2016-02-23 Richard Biener <rguenther@suse.de>
2589 * alloc-pool.h (struct allocation_object): Make id member
2590 conditional on CHECKING_P again.
2591 (get_instance): Adjust.
2592 (base_pool_allocator): Likewise.
2594 2016-02-23 Thomas Schwinge <thomas@codesourcery.com>
2596 * tree-parloops.c (create_parallel_loop, gen_parallel_loop)
2597 (parallelize_loops): In OpenACC kernels mode, set n_threads to
2598 zero.
2599 (pass_parallelize_loops::gate): In OpenACC kernels mode, gate on
2600 flag_openacc.
2601 * tree-ssa-loop.c (gate_oacc_kernels): Likewise.
2603 2016-02-23 Richard Biener <rguenther@suse.de>
2605 * mem-stats.h (struct mem_usage): Use PRIu64 for printing size_t.
2606 * bitmap.h (struct bitmap_usage): Likewise.
2607 (bitmap_move): Declare.
2608 * bitmap.c (register_overhead): Take size_t argument.
2609 (bitmap_move): New function.
2610 * df-problems.c (df_rd_transfer_function): Use bitmap_move
2611 to properly account overhead.
2612 * tree.c (free_node): Use tree_size.
2614 2016-02-23 Jakub Jelinek <jakub@redhat.com>
2616 PR c++/69902
2617 * fold-const.c (fold_truth_not_expr): Propagate TREE_NO_WARNING
2618 when inverting comparison.
2620 PR c/69900
2621 * common.opt (Wunreachable-code): Add Warning flag.
2623 2016-02-23 Mark Wielaard <mjw@redhat.com>
2624 Jakub Jelinek <jakub@redhat.com>
2626 PR c/69911
2627 * cgraphunit.c (check_global_declaration): Check main_input_filename
2628 and DECL_SOURCE_FILE are not NULL.
2630 2016-02-23 Martin Jambor <mjambor@suse.cz>
2632 PR tree-optimization/69666
2633 * tree-sra.c (sra_modify_assign): Do not attempt to create
2634 default_def replacements for unscalarizable regions.
2636 2016-02-20 Mark Wielaard <mjw@redhat.com>
2638 PR c/28901
2639 * cgraphunit.c (check_global_declaration): Check level of
2640 warn_unused_const_variable and main_input_filename.
2641 * doc/invoke.texi (Warning Options): Add -Wunused-const-variable=.
2642 (-Wunused-variable): For C implies -Wunused-const-variable=1.
2643 (-Wunused-const-variable): Explain levels 1 and 2.
2645 2016-02-22 Jakub Jelinek <jakub@redhat.com>
2647 PR target/69888
2648 * config/i386/i386.c (decide_alg): Ensure we don't recurse with
2649 identical arguments. Formatting and spelling fixes.
2651 PR target/69885
2652 * doc/md.texi (ashl@var{m}3): Document that mode of operand 2 must
2653 be specified.
2655 PR target/69894
2656 PR target/69895
2657 * config/m68k/t-opts (OPTIONS_H_EXTRA): Add m68k-microarchs.def
2658 and m68k-devices.def.
2659 * config/c6x/t-c6x (OPTIONS_H_EXTRA): Add c6x-isas.def.
2660 * config/aarch64/t-aarch64 (OPTIONS_H_EXTRA): Add aarch64-arches.def.
2662 2016-02-22 Cesar Philippidis <cesar@codesourcery.com>
2664 * config/nvptx/nvptx.c (nvptx_gen_shuffle): Add support for QImode
2665 and HImode registers.
2667 2016-02-22 Richard Biener <rguenther@suse.de>
2669 PR tree-optimization/69882
2670 * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Properly
2671 preserve permutations present because of gaps.
2672 (vect_supported_load_permutation_p): Always continue checking
2673 permutations after vect_attempt_slp_rearrange_stmts.
2675 2016-02-22 Bin Cheng <bin.cheng@arm.com>
2677 * tree-vect-loop.c (vect_estimate_min_profitable_iters): Dump
2678 min_profitable_estimate, rather than min_profitable_iters.
2680 2016-02-22 Jakub Jelinek <jakub@redhat.com>
2682 PR target/69885
2683 * config/m68k/m68k.md (ashldi3, ashrdi3, lshrdi3): Use
2684 SImode for last match_operand.
2686 2016-02-22 Martin Liska <mliska@suse.cz>
2688 * hsa-gen.c (gen_hsa_clrsb): In case of zero value,
2689 return bitsize - 1 as the return value.
2691 2016-02-22 Oleg Endo <olegendo@gcc.gnu.org>
2693 PR target/69806
2694 PR target/54089
2695 * config/sh/sh.c (sh_lshrsi_clobbers_t_reg_p, sh_dynamicalize_shift_p):
2696 Handle negative shift counts.
2697 * config/sh/sh.md (ashlsi3, lshrsi3_n, lshrsi3_n_clobbers_t): Don't use
2698 force_reg on the shift constant.
2699 (lshrsi3): Likewise. Expand into lshrsi3_n* instead of lshrsi3_d.
2700 (lshrsi3_d): Handle negative shift counts.
2702 2016-02-22 Richard Biener <rguenther@suse.de>
2703 Tom de Vries <tom@codesourcery.com>
2705 * graph.c: Include dumpfile.h.
2706 (print_graph_cfg): Split into three overloads.
2707 * gdbhooks.py (class DotFn): Add and instantiate, adding command dot-fn.
2709 2016-02-22 Tom de Vries <tom@codesourcery.com>
2711 * gdbhooks.py (class DumpFn): Add and instantiate, adding command
2712 dump-fn.
2714 2016-02-22 Richard Biener <rguenther@suse.de>
2716 PR ipa/37448
2717 * ipa-inline-transform.c (inline_call): When not updating
2718 overall summaries adjust self size by the growth estimate.
2719 * ipa-inline.c (inline_to_all_callers_1): Add to the callers
2720 hash-set, do not update overall summaries here. Renamed from ...
2721 (inline_to_all_callers): ... this which is now wrapping the
2722 above and performing delayed overall summary update.
2723 (early_inline_small_functions): Delay updating of the overall
2724 summary.
2726 2016-02-21 Markus Trippelsdorf <markus@trippelsdorf.de>
2728 * tree-chkp.c (chkp_mark_invalid_bounds_walker): Initialize
2729 variable.
2731 2016-02-19 Jakub Jelinek <jakub@redhat.com>
2733 PR driver/69805
2734 * gcc.c (LINK_COMMAND_SPEC, GOMP_SELF_SPECS): Use
2735 :%* in %:gt() argument.
2736 (greater_than_spec_func): Adjust for expecting only numbers,
2737 if there are more than two numbers, compare the last two.
2739 2016-02-19 Jonathan Wakely <jwakely@redhat.com>
2741 * doc/invoke.texi (C++ Dialect Options): Clarify interaction of
2742 -Wnarrowing with -std.
2744 2016-02-19 Jakub Jelinek <jakub@redhat.com>
2746 PR c++/69851
2747 * expr.c (store_field): Don't use bit-field path if exp is
2748 COMPONENT_REF with TREE_ADDRESSABLE type, where TYPE_SIZE is
2749 different from bitsize, but DECL_SIZE of FIELD_DECL is bitsize
2750 and the assignment can be performed by bitwise copy. Formatting
2751 fix.
2753 PR middle-end/69838
2754 * lra.c (lra_process_new_insns): If non-call exceptions are enabled,
2755 call copy_reg_eh_region_note_forward on before and/or after sequences
2756 and remove note from insn if it no longer can throw.
2758 PR target/69820
2759 * config/i386/sse.md (VI_512): Only include V64QImode and V32HImode
2760 if TARGET_AVX512BW.
2762 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
2764 * config/s390/vector.md: Add missing commutative operand markers
2765 to the patterns which qualify for one.
2766 * config/s390/vx-builtins.md: Likewise.
2768 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
2770 * config/s390/vector.md (VI, VI_QHS): Add single element vector
2771 types to mode iterators.
2772 (vec_double): ... and mode attribute.
2773 * config/s390/vx-builtins.md (non_vec_int): Likewise.
2775 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
2777 * config/s390/vector.md ("<ti*>add<mode>3", "<ti*>sub<mode>3"):
2778 Change the predicate of op2 from nonimmediate to general and let
2779 reload fix it if necessary.
2781 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
2783 * config/s390/vecintrin.h (vec_sub_u128): Define missing macro.
2785 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
2787 * config/s390/s390.c (s390_expand_vcond): Use the compare operand
2788 mode.
2790 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
2792 * config/s390/s390-protos.h: Add s390_expand_vec_movstr prototype.
2793 * config/s390/s390.c (s390_expand_vec_movstr): New function.
2794 * config/s390/s390.md ("movstr<P:mode>"): Call
2795 s390_expand_vec_movstr.
2797 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
2799 * config/s390/s390.md: Add missing output modifier for operand 1
2800 to print it as address properly.
2802 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
2804 * config/s390/2827.md: Rename ooo_* insn attributes to zEC12_*.
2805 * config/s390/2964.md: New file.
2806 * config/s390/s390.c (s390_get_sched_attrmask): Use the right set
2807 of insn grouping attributes depending on the CPU level.
2808 (s390_get_unit_mask): New function.
2809 (s390_sched_score): Remove the OOO from the scheduling macros.
2810 Add loop to calculate a score for the instruction mix.
2811 (s390_sched_reorder): Likewise plus improve debug output.
2812 (s390_sched_variable_issue): Rename macros as above. Calculate
2813 the unit distances after actually scheduling an insn. Improve
2814 debug output.
2815 (s390_sched_init): Clear last_scheduled_unit_distance array.
2816 * config/s390/s390.md: Include 2964.md.
2818 2016-02-18 Jakub Jelinek <jakub@redhat.com>
2820 PR target/69671
2821 * config/i386/sse.md (*<floatsuffix>floatv2div2sf2_mask_1,
2822 *avx512vl_<code>v2div2qi2_mask_1, *avx512vl_<code><mode>v4qi2_mask_1,
2823 *avx512vl_<code><mode>v8qi2_mask_1, *avx512vl_<code><mode>v4hi2_mask_1,
2824 *avx512vl_<code>v2div2hi2_mask_1, *avx512vl_<code>v2div2si2_mask_1,
2825 *avx512f_<code>v8div16qi2_mask_1): New insns.
2827 2016-02-18 Michael Meissner <meissner@linux.vnet.ibm.com>
2829 PR target/68404
2830 * config/rs6000/predicates.md (fusion_gpr_addis): Revert
2831 2016-02-09 change.
2833 * config/rs6000/rs6000.md (fusion_gpr_load_<mode>): Remove
2834 earlyclobber from target. Use wF constraint for fused memory
2835 address.
2836 (fusion_gpr_<P:mode>_<GPR_FUSION:mode>_load): Likewise.
2838 2016-02-18 Jakub Jelinek <jakub@redhat.com>
2839 Martin Liska <mliska@suse.cz>
2841 PR sanitizer/69863
2842 * cfgexpand.c (asan_sanitize_stack_p): New function.
2843 (partition_stack_vars): Use the function.
2844 (expand_stack_vars): Likewise.
2845 (defer_stack_allocation): Likewise.
2846 (expand_used_vars): Likewise.
2848 2016-02-18 Richard Biener <rguenther@suse.de>
2850 PR middle-end/69553
2851 * fold-const.c (operand_equal_p): Properly compare offsets for
2852 IMAGPART_EXPR and ARRAY_REF.
2854 2016-02-18 Nick Clifton <nickc@redhat.com>
2856 PR target/62254
2857 PR target/69610
2858 * config/arm/arm.c (arm_option_override_internal): Disable
2859 interworking if the target does not support thumb instructions.
2860 (arm_reload_in_hi): Handle the case where a register to register
2861 move needs reloading because there is no simple pattern to handle
2862 it.
2863 (arm_reload_out_hi): Likewise.
2865 2016-02-18 Richard Biener <rguenther@suse.de>
2867 PR middle-end/69854
2868 * match.pd: Don't use fold_binary or fold_unary for folding
2869 constants.
2871 2016-02-17 Jakub Jelinek <jakub@redhat.com>
2873 PR c++/69850
2874 * gimplify.c (gimplify_cond_expr): Call gimple_set_no_warning
2875 on the cond_stmt from TREE_NO_WARNING on COND_EXPR_COND.
2876 * gimple-ssa-nonnull-compare.c (do_warn_nonnull_compare): Don't
2877 warn on gimple_no_warning_p statements.
2879 2016-02-17 Jonathan Wakely <jwakely@redhat.com>
2881 * doc/extend.texi (C++ Attributes): Correct description of
2882 warn_unused type attribute.
2884 2016-02-17 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2886 * config/rs6000/altivec.md (*altivec_lvxl_<mode>_internal): Output
2887 correct instruction.
2889 2016-02-17 Richard Biener <rguenther@suse.de>
2891 PR rtl-optimization/69609
2892 * bb-reorder.c (struct bbro_basic_block_data): Add priority member.
2893 (find_traces_1_round): When ending a trace update cached priority
2894 of successors.
2895 (bb_to_key): Use cached priority when available.
2896 (copy_bb): Initialize cached priority.
2897 (reorder_basic_blocks_software_trace_cache): Likewise.
2899 2016-02-17 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
2901 PR target/69161
2902 * config/aarch64/predicates.md (aarch64_comparison_operator_mode):
2903 New predicate.
2904 (aarch64_comparison_operator): Break overly long line into two.
2905 (aarch64_comparison_operation): Likewise.
2906 * config/aarch64/aarch64.md (cstorecc4): Use
2907 aarch64_comparison_operator_mode instead of
2908 aarch64_comparison_operator.
2909 (cstore<mode>4): Likewise.
2910 (aarch64_cstore<mode>): Likewise.
2911 (*cstoresi_insn_uxtw): Likewise.
2912 (cstore<mode>_neg): Likewise.
2913 (*cstoresi_neg_uxtw): Likewise.
2915 2016-02-17 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
2917 PR target/69161
2918 * config/arm/predicates.md (arm_comparison_operator_mode):
2919 New predicate.
2920 * config/arm/arm.md (*mov_scc): Use arm_comparison_operator_mode
2921 instead of arm_comparison_operator.
2922 (*mov_negscc): Likewise.
2923 (*mov_notscc): Likewise.
2924 * config/arm/thumb2.md (*thumb2_mov_scc): Likewise.
2925 (*thumb2_mov_negscc): Likewise.
2926 (*thumb2_mov_negscc_strict_it): Likewise.
2927 (*thumb2_mov_notscc): Likewise.
2928 (*thumb2_mov_notscc_strict_it): Likewise.
2930 2016-02-17 Wilco Dijkstra <wdijkstr@arm.com>
2932 * config/aarch64/aarch64.c (aarch64_internal_mov_immediate):
2933 Add missing return.
2935 2016-02-17 Eric Botcazou <ebotcazou@adacore.com>
2937 * config/visium/visium.c (machine_libfunc_index): New enum.
2938 (machine_libfuncs): New structure.
2939 (visium_libfuncs): New static variable.
2940 (TARGET_INIT_LIBFUNCS): Define to...
2941 (visium_init_libfuncs): ...this. New function.
2942 (expand_block_move_4): Use the appropriate libfunc.
2943 (expand_block_move_2): Likewise.
2944 (expand_block_move_1): Likewise.
2945 (expand_block_set_4): Likewise.
2946 (expand_block_set_2): Likewise.
2947 (expand_block_set_1): Likewise.
2948 (visium_trampoline_init): Likewise.
2950 2016-02-17 Nick Clifton <nickc@redhat.com>
2952 * config/msp430/msp430.c (msp430_mcu_data): Sync with data from
2953 TI's devices.csv file as of March 2016.
2955 2016-02-16 Kelvin Nilsen <kelvin@gcc.gnu.org>
2957 PR Target/48344
2958 * opts-global.c (handle_common_deferred_options): Introduce and
2959 initialize two global variables to remember command-line options
2960 specifying a stack-limiting register.
2961 * opts.h: Add extern declarations of the two new global variables.
2962 * emit-rtl.c (init_emit_once): Initialize the stack_limit_rtx
2963 variable based on the values of the two new global variables.
2965 2016-02-16 Jakub Jelinek <jakub@redhat.com>
2967 PR c/69835
2968 * common.opt (Wnonnull-compare): New warning.
2969 * doc/invoke.texi (-Wnonnull): Remove text about comparison
2970 of arguments against NULL.
2971 (-Wnonnull-compare): Document.
2972 * Makefile.in (OBJS): Add gimple-ssa-nonnull-compare.o.
2973 * tree-pass.h (make_pass_warn_nonnull_compare): Declare.
2974 * passes.def (pass_warn_nonnull_compare): Add.
2975 * gimple-ssa-nonnull-compare.c: New file.
2977 2016-02-16 James Greenhalgh <james.greenhalgh@arm.com>
2979 * config/aarch64/aarch64.c (cortexa57_tunings): Remove
2980 AARCH64_EXTRA_TUNE_RECIP_SQRT.
2982 2016-02-16 James Greenhalgh <james.greenhalgh@arm.com>
2984 * config/aarch64/aarch64.c (use_rsqrt_p): Always use software
2985 reciprocal sqrt for -mlow-precision-recip-sqrt.
2987 2016-02-16 James Greenhalgh <james.greenhalgh@arm.com>
2988 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
2990 * config/aarch64/aarch64.c (aarch64_expand_vector_init): Refactor,
2991 always use lane loads to construct non-constant vectors.
2993 2016-02-16 James Greenhalgh <james.greenhalgh@arm.com>
2995 * config/aarch64/aarch64.md
2996 (arch64_sqrdml<SQRDMLH_AS:rdma_as>h_lane<mode>): Fix register
2997 constraints for operand 3.
2998 (aarch64_sqrdml<SQRDMLH_AS:rdma_as>h_laneq<mode>): Likewise.
3000 2016-02-16 Jakub Jelinek <jakub@redhat.com>
3001 Richard Biener <rguenther@suse.de>
3003 PR tree-optimization/69820
3004 * tree-vect-patterns.c (type_conversion_p): Return false if
3005 *orig_type is unsigned single precision or boolean.
3006 (vect_recog_dot_prod_pattern, vect_recog_widen_mult_pattern):
3007 Formatting fix.
3009 2016-02-16 Jakub Jelinek <jakub@redhat.com>
3011 PR rtl-optimization/69764
3012 PR rtl-optimization/69771
3013 * optabs.c (expand_binop): Ensure for shift optabs invalid CONST_INT
3014 op1 is valid for GET_MODE_INNER (mode) and force it into a reg.
3016 2016-02-16 Richard Biener <rguenther@suse.de>
3018 PR tree-optimization/69776
3019 * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Get alias
3020 sets from caller.
3021 (indirect_refs_may_alias_p): Likewise.
3022 (refs_may_alias_p_1): Pass alias sets as from ao_ref.
3023 * tree-ssa-sccvn.c (vn_reference_lookup): Also adjust vr alias-set
3024 according to tbaa_p.
3025 * tree-ssa-dom.c (lookup_avail_expr): Add tbaa_p flag.
3026 (optimize_stmt): For redundant store discovery do not allow tbaa.
3028 2016-02-16 Bernd Schmidt <bschmidt@redhat.com>
3030 PR tree-optimization/69714
3031 * tree-ssa-math-opts.c (find_bswap_or_nop): Revert previous change.
3032 Return NULL if we have irrelevant high bytes on BIG_ENDIAN.
3034 2016-02-16 Claudiu Zissulescu <claziss@synopsys.com>
3036 * config/arc/arc-modes.def (CC_FPU, CC_FPU_UNEQ): New modes.
3037 * config/arc/arc-opts.h (FPU_SP, FPU_SF, FPU_SC, FPU_SD, FPU_DP)
3038 (FPU_DF, FPU_DC, FPU_DD, FXP_DP): Define.
3039 * config/arc/arc.c (arc_init): Check FPU options.
3040 (get_arc_condition_code): Handle new CC_FPU* modes.
3041 (arc_select_cc_mode): Likewise.
3042 (arc_conditional_register_usage): Allow 64 bit datum into even-odd
3043 register pair only. Allow access for ARCv2 accumulator.
3044 (gen_compare_reg): Whenever we have FPU support use FPU compare
3045 instructions.
3046 (arc_reorg): Don't generate brcc insns when FPU compare
3047 instructions are involved.
3048 * config/arc/arc.h (TARGET_DPFP): Add TARGET_FP_DPAX condition.
3049 (TARGET_OPTFPE): Add condition when ARC EM can use optimized
3050 floating point emulation.
3051 (ACC_REG_FIRST, ACC_REG_LAST, ACCL_REGNO, ACCH_REGNO): Define.
3052 (REVERSE_CONDITION): Add new CC_FPU* modes.
3053 (TARGET_FP_SP_BASE): Define.
3054 (TARGET_FP_DP_BASE): Likewise.
3055 (TARGET_FP_SP_FUSED): Likewise.
3056 (TARGET_FP_DP_FUSED): Likewise.
3057 (TARGET_FP_SP_CONV): Likewise.
3058 (TARGET_FP_DP_CONV): Likewise.
3059 (TARGET_FP_SP_SQRT): Likewise.
3060 (TARGET_FP_DP_SQRT): Likewise.
3061 (TARGET_FP_DP_AX): Likewise.
3062 * config/arc/arc.md (ARCV2_ACC): New constant.
3063 (type): New fpu type attribute.
3064 (SDF): Conditional iterator.
3065 (cstore<mode>, cbranch<mode>): Change expand condition.
3066 (addsf3, subsf3, mulsf3, adddf3, subdf3, muldf3): New expands,
3067 handles FPU/FPX cases as well.
3068 * config/arc/arc.opt (mfpu): New option.
3069 * config/arc/fpx.md (addsf3_fpx, subsf3_fpx, mulsf3_fpx):
3070 Renamed.
3071 (adddf3, muldf3, subdf3): Removed.
3072 * config/arc/predicates.md (proper_comparison_operator): Recognize
3073 CC_FPU* modes.
3074 * config/arc/fpu.md: New file.
3075 * doc/invoke.texi (ARC Options): Document mfpu option.
3077 2016-02-16 Richard Biener <rguenther@suse.de>
3079 PR rtl-optimization/69291
3080 * ifcvt.c (noce_try_store_flag_constants): Re-instantiate
3081 noce_operand_ok check.
3083 2016-02-16 Tom de Vries <tom@codesourcery.com>
3085 PR lto/67709
3086 * omp-low.c (simd_clone_create): Remove call to
3087 symtab->call_cgraph_insertion_hooks.
3089 2016-02-16 Jakub Jelinek <jakub@redhat.com>
3091 PR tree-optimization/69802
3092 * tree-ssa-reassoc.c (update_range_test): If op is
3093 SSA_NAME_IS_DEFAULT_DEF, give up unless tem is a positive
3094 op == 1 test of precision 1 integral op, otherwise handle
3095 that case as op itself. Fix up formatting.
3096 (optimize_range_tests_to_bit_test, optimize_range_tests): Fix
3097 up formatting.
3099 2016-02-16 Richard Biener <rguenther@suse.de>
3101 PR tree-optimization/69586
3102 * tree-vrp.c (register_edge_assert_for_2): Handle all integral
3103 types for conversion sources.
3105 2016-02-16 Richard Biener <rguenther@suse.de>
3107 PR middle-end/69801
3108 * fold-const.c (operand_equal_p): For COND_EXPR zero operand
3109 mask OEP_ADDRESS_OF.
3111 2016-02-16 Alan Modra <amodra@gmail.com>
3113 PR target/68973
3114 * config/rs6000/rs6000.md (reload_vsx_from_gprsf): Rewrite splitter.
3115 (p8_mtvsrd_df, p8_mtvsrd_sf): New.
3116 (p8_mtvsrd_1, p8_mtvsrd_2): Delete.
3117 (p8_mtvsrwz): New.
3118 (p8_mtvsrwz_1, p8_mtvsrwz_2): Delete.
3119 (p8_xxpermdi_<mode>): Take two DF inputs rather than one TF.
3120 (p8_fmrgow_<mode>): Likewise.
3121 (reload_vsx_from_gpr<mode>): Make clobber IF. Adjust for above
3122 changes.
3123 (reload_fpr_from_gpr<mode>): Similarly. Use "d" for op0 constraint.
3124 (reload_vsx_from_gprsf): Use p8_mtvsrd_sf rather than attempting
3125 to use movdi_internal64. Remove op0_di.
3126 * config/rs6000/vsx.md (vsx_xscvspdpn_directmove): Make op1 SFmode.
3128 2016-02-15 Evandro Menezes <e.menezes@samsung.com>
3130 Add support for the FCCMP insn types
3132 * config/aarch64/aarch64.md (fccmp): Change insn type.
3133 (fccmpe): Likewise.
3134 * config/aarch64/thunderx.md (thunderx_fcmp): Add "fccmp{s,d}" types.
3135 * config/arm/cortex-a53.md (cortex_a53_fpalu): Likewise.
3136 * config/arm/cortex-a57.md (cortex_a57_fp_cmp): Likewise.
3137 * config/arm/xgene1.md (xgene1_fcmp): Likewise.
3138 * config/arm/exynos-m1.md (exynos_m1_fp_ccmp): New insn reservation.
3139 * config/arm/types.md (fccmps): Add new insn type.
3140 (fccmpd): Likewise.
3142 2016-02-15 Bernd Edlinger <bernd.edlinger@hotmail.de>
3144 * alias.c (get_alias_set): Fix a typo in comment.
3146 2016-02-15 Richard Biener <rguenther@suse.de>
3148 PR tree-optimization/69595
3149 * match.pd: Complete range test simplification to true.
3151 2016-02-15 Bernd Schmidt <bschmidt@redhat.com>
3153 PR rtl-optimization/69648
3154 * lra-constraints.c (update_ebb_live_info): Don't remove sets of
3155 pic_offset_table_rtx.
3157 PR rtl-optimization/69752
3158 * ira.c (update_equiv_regs): When looking for more than a single SET,
3159 also take other side effects into account.
3161 2016-02-15 Marcin Kościelnicki <koriakin@0x04.net>
3163 * config/s390/s390.c (s390_function_profiler): Add a new sequence
3164 for z900+ CPUs in 31-bit mode.
3166 2016-02-15 Marcin Kościelnicki <koriakin@0x04.net>
3168 * common/config/s390/s390-common.c (s390_supports_split_stack):
3169 New function.
3170 (TARGET_SUPPORTS_SPLIT_STACK): New macro.
3171 * config/s390/s390-protos.h: Add s390_expand_split_stack_prologue.
3172 * config/s390/s390.c (struct machine_function): New field
3173 split_stack_varargs_pointer.
3174 (s390_register_info): Mark r12 as clobbered if it'll be used as temp
3175 in s390_emit_prologue.
3176 (s390_emit_prologue): Use r12 as temp if r1 is taken by split-stack
3177 vararg pointer.
3178 (morestack_ref): New global.
3179 (SPLIT_STACK_AVAILABLE): New macro.
3180 (s390_expand_split_stack_prologue): New function.
3181 (s390_live_on_entry): New function.
3182 (s390_va_start): Use split-stack vararg pointer if appropriate.
3183 (s390_asm_file_end): Emit the split-stack note sections.
3184 (TARGET_EXTRA_LIVE_ON_ENTRY): New macro.
3185 * config/s390/s390.md (UNSPEC_STACK_CHECK): New unspec.
3186 (UNSPECV_SPLIT_STACK_CALL): New unspec.
3187 (UNSPECV_SPLIT_STACK_DATA): New unspec.
3188 (split_stack_prologue): New expand.
3189 (split_stack_space_check): New expand.
3190 (split_stack_data): New insn.
3191 (split_stack_call): New expand.
3192 (split_stack_call_*): New insn.
3193 (split_stack_cond_call): New expand.
3194 (split_stack_cond_call_*): New insn.
3196 2016-02-15 Richard Biener <rguenther@suse.de>
3198 PR tree-optimization/69783
3199 * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
3200 Add trivially correct cases.
3202 2016-02-15 Tom de Vries <tom@codesourcery.com>
3204 PR lto/69655
3205 * lto-cgraph.c (input_offload_tables): Add and handle bool parameter
3206 do_force_output.
3207 * lto-streamer.h (input_offload_tables): Add and handle bool parameter.
3209 2016-02-15 Richard Biener <rguenther@suse.de>
3211 PR tree-optimization/69776
3212 * tree-ssa-sccvn.h (vn_reference_lookup): Adjust prototype.
3213 * tree-ssa-sccvn.c (vn_reference_lookup): Add parameter to
3214 indicate whether we can use TBAA to disambiguate against stores.
3215 Use alias-set zero if not.
3216 (visit_reference_op_store): Do not use TBAA when looking up
3217 redundant stores.
3218 * tree-ssa-pre.c (compute_avail): Use TBAA here.
3219 (eliminate_dom_walker::before_dom_children): But not when looking
3220 up redundant stores.
3222 2016-02-14 John David Anglin <danglin@gcc.gnu.org>
3224 * config/pa/pa.md (absqi2, absghi2, bswaphi2, bswapsi2, bswapdi2): New.
3226 2016-02-14 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
3228 * config/i386/znver1.md
3229 (znver1_pop, znver1_pop_mem,
3230 znver1_load_imov_double_store,
3231 znver1_load_imov_direct_store,
3232 znver1_load_imov_direct_load,
3233 znver1_load_imov_double_load): Add new.
3234 (znver1_insn, znver1_insn_load): Add icmov type.
3235 (znver1_sseavx_fma,
3236 znver1_sseavx_fma_load,
3237 znver1_avx256_fma,
3238 znver1_avx256_fma_load): Fix pipe usage.
3240 2016-02-14 Alan Modra <amodra@gmail.com>
3242 PR target/68973
3243 * reloads.c (find_reloads_address_1): For pre/post-inc/dec
3244 with an invalid hard reg, reload just the reg not the entire
3245 pre/post-inc/dec address expression.
3247 2016-02-13 Oleg Endo <olegendo@gcc.gnu.org>
3249 PR target/67260
3250 * config/sh/sh.md (sibcall_value_pcrel): Replace =&k scratch reg with
3251 fixed R1_REG scratch reg.
3252 (sibcall_value_pcrel_fdpic): Likewise.
3254 2016-02-13 Oleg Endo <olegendo@gcc.gnu.org>
3256 PR target/67636
3257 PR target/64345
3258 * config/sh/sh.md (*zero_extract_3): New insn_and_split pattern.
3260 2016-02-12 Walter Lee <walt@tilera.com>
3262 * config/tilepro/t-tilepro: Replace CC_FOR_BUILD with CXX_FOR_BUILD.
3263 * config/tilegx/t-tilegx: Likewise.
3265 2016-02-12 David Malcolm <dmalcolm@redhat.com>
3267 PR other/69554
3268 * diagnostic-show-locus.c (struct line_span): New struct.
3269 (layout::get_first_line): Delete.
3270 (layout::get_last_line): Delete.
3271 (layout::get_num_line_spans): New member function.
3272 (layout::get_line_span): Likewise.
3273 (layout::print_heading_for_line_span_index_p): Likewise.
3274 (layout::get_expanded_location): Likewise.
3275 (layout::calculate_line_spans): Likewise.
3276 (layout::m_first_line): Delete.
3277 (layout::m_last_line): Delete.
3278 (layout::m_line_spans): New field.
3279 (layout::layout): Update comment. Replace m_first_line and
3280 m_last_line with m_line_spans, replacing their initialization
3281 with a call to calculate_line_spans.
3282 (diagnostic_show_locus): When printing source lines and
3283 annotations, rather than looping over a single span
3284 of lines, instead loop over each line_span within
3285 the layout, with an inner loop over the lines within them.
3286 Call the context's start_span callback when changing line spans.
3287 * diagnostic.c (diagnostic_initialize): Initialize start_span.
3288 (diagnostic_build_prefix): Break out the building of the location
3289 part of the string into...
3290 (diagnostic_get_location_text): ...this new function, rewriting
3291 it from nested ternary expressions to a sequence of "if"
3292 statements.
3293 (default_diagnostic_start_span_fn): New function.
3294 * diagnostic.h (diagnostic_start_span_fn): New typedef.
3295 (diagnostic_context::start_span): New field.
3296 (default_diagnostic_start_span_fn): New prototype.
3298 2016-02-12 David Malcolm <dmalcolm@redhat.com>
3300 PR driver/69779
3301 * gcc.c (driver::finalize): Fix cleanup of "specs".
3303 2016-02-12 David Malcolm <dmalcolm@redhat.com>
3305 PR driver/69265
3306 PR driver/69453
3307 * gcc.c (driver::driver): Initialize m_option_suggestions.
3308 (driver::~driver): Clean up m_option_suggestions.
3309 (suggest_option): Convert to...
3310 (driver::suggest_option): ...this, and split out into
3311 driver::build_option_suggestions and find_closest_string.
3312 (driver::build_option_suggestions): New function, from
3313 first half of suggest_option. Special-case
3314 OPT_fsanitize_ and OPT_fsanitize_recover_, making use of
3315 the sanitizer_opts array. For options of enum types, add the
3316 various enum values to the candidate strings.
3317 (driver::handle_unrecognized_options): Remove "const".
3318 * gcc.h (driver::handle_unrecognized_options): Likewise.
3319 (driver::build_option_suggestions): New decl.
3320 (driver::suggest_option): New decl.
3321 (driver::m_option_suggestions): New field.
3322 * opts-common.c (add_misspelling_candidates): New function.
3323 * opts.c (sanitizer_opts): Remove decl of struct sanitizer_opts_s
3324 and make non-static.
3325 * opts.h (sanitizer_opts): New array decl.
3326 (add_misspelling_candidates): New function decl.
3327 * spellcheck.c (find_closest_string): New function.
3328 * spellcheck.h (find_closest_string): New function decl.
3330 2016-02-12 Jakub Jelinek <jakub@redhat.com>
3332 PR rtl-optimization/69764
3333 PR rtl-optimization/69771
3334 * optabs.c (expand_binop_directly): For shift_optab_p, force
3335 convert_modes with VOIDmode if xop1 has VOIDmode.
3337 2016-02-12 Ilya Enkovich <enkovich.gnu@gmail.com>
3339 PR target/69729
3340 * lto-streamer-out.c (lto_output): Use thunk.add_pointer_bounds_args
3341 to correctly determine instrumentation thunks.
3343 2016-02-12 Jakub Jelinek <jakub@redhat.com>
3345 PR ipa/69241
3346 * ipa-split.c (split_function): If split part returns TREE_ADDRESSABLE
3347 type by reference, force lhs on the call.
3349 PR ipa/68672
3350 * ipa-split.c (split_function): Don't compute/use main_part_return_p.
3351 Compute retval and retbnd early in all cases if split_part_return_p
3352 and return_bb is not EXIT. Remove all clobber stmts and reset
3353 all debug stmts that refer to SSA_NAMEs defined in split part,
3354 except if it is retval, in that case replace the old retval with the
3355 lhs of the call to the split part.
3357 2016-02-12 Kugan Vivekanandarajah <kuganv@linaro.org>
3359 revert:
3360 2016-02-12 Kugan Vivekanandarajah <kuganv@linaro.org>
3362 PR middle-end/66726
3363 * tree-ssa-reassoc.c (optimize_range_tests): Handle tcc_compare stmt
3364 whose result is used in PHI.
3365 (maybe_optimize_range_tests): Likewise.
3366 (final_range_test_p): Likweise.
3368 2016-02-12 Kugan Vivekanandarajah <kuganv@linaro.org>
3370 PR middle-end/66726
3371 * tree-ssa-reassoc.c (optimize_range_tests): Handle tcc_compare stmt
3372 whose result is used in PHI.
3373 (maybe_optimize_range_tests): Likewise.
3374 (final_range_test_p): Likweise.
3376 2016-02-12 Jakub Jelinek <jakub@redhat.com>
3378 * cgraph.c: Spelling fixes - behaviour -> behavior and
3379 neighbour -> neighbor.
3380 * target.def: Likewise.
3381 * sel-sched.c: Likewise.
3382 * config/mips/mips.c: Likewise.
3383 * config/arc/arc.md: Likewise.
3384 * config/arm/cortex-a57.md: Likewise.
3385 * config/arm/arm.c: Likewise.
3386 * config/arm/neon.md: Likewise.
3387 * config/arm/arm-c.c: Likewise.
3388 * config/vms/vms-c.c: Likewise.
3389 * config/s390/s390.c: Likewise.
3390 * config/i386/znver1.md: Likewise.
3391 * config/i386/i386.c: Likewise.
3392 * config/ia64/hpux-unix2003.h: Likewise.
3393 * config/msp430/msp430.md: Likewise.
3394 * config/rx/rx.c: Likewise.
3395 * config/rx/rx.md: Likewise.
3396 * config/aarch64/aarch64-simd.md: Likewise.
3397 * config/aarch64/aarch64.c: Likewise.
3398 * config/nvptx/nvptx.c: Likewise.
3399 * config/bfin/bfin.c: Likewise.
3400 * config/cris/cris.opt: Likewise.
3401 * config/rs6000/rs6000.c: Likewise.
3402 * target.h: Likewise.
3403 * spellcheck.c: Likewise.
3404 * ira-build.c: Likewise.
3405 * tree-inline.c: Likewise.
3406 * builtins.c: Likewise.
3407 * lra-constraints.c: Likewise.
3408 * explow.c: Likewise.
3409 * hwint.h: Likewise.
3410 * targhooks.c: Likewise.
3411 * tree-vect-data-refs.c: Likewise.
3412 * expr.c: Likewise.
3413 * doc/tm.texi: Likewise.
3414 * doc/extend.texi: Likewise.
3415 * doc/install.texi: Likewise.
3416 * doc/md.texi: Likewise.
3417 * tree-ssa-tail-merge.c: Likewise.
3418 * sched-int.h: Likewise.
3419 * match.pd: Likewise.
3420 * sched-ebb.c: Likewise.
3421 * target.def (omit_struct_return_reg): Likewise.
3422 * gimple-ssa-isolate-paths.c: Likewise.
3423 (find_implicit_erroneous_behaviour): Renamed to...
3424 (find_implicit_erroneous_behavior): ... this.
3425 (find_explicit_erroneous_behaviour): Renamed to...
3426 (find_explicit_erroneous_behavior): ... this.
3427 (gimple_ssa_isolate_erroneous_paths): Adjust caller.
3429 2016-02-11 Segher Boessenkool <segher@kernel.crashing.org>
3431 PR rtl-optimization/64682
3432 PR rtl-optimization/69567
3433 PR rtl-optimization/69737
3434 * combine.c (distribute_notes) <REG_DEAD>: If the register is set
3435 in I2 as well, just lose it.
3437 2016-02-11 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
3439 * config/aarch64/aarch64.c (aarch64_last_printed_arch_string):
3440 New variable.
3441 (aarch64_last_printed_tune_string): Likewise.
3442 (aarch64_declare_function_name): Only output .arch assembler
3443 directive if it will be different from the previously output
3444 directive. Same for .tune comment but only if -dA is set.
3445 (aarch64_start_file): New function.
3446 (TARGET_ASM_FILE_START): Define.
3448 2016-02-11 David Malcolm <dmalcolm@redhat.com>
3450 PR plugins/69758
3451 * Makefile.in (PLUGIN_HEADERS): Add params.list.
3453 2016-02-11 Jakub Jelinek <jakub@redhat.com>
3455 PR target/65313
3456 * tree-vect-slp.c (vect_schedule_slp_instance): Avoid
3457 -Wmaybe-uninitialized warning.
3459 2016-02-11 Oleg Endo <olegendo@gcc.gnu.org>
3461 PR target/69713
3462 * config/sh/sh.md (casesi_worker_0): Add T_REG use.
3464 2016-02-11 Richard Biener <rguenther@suse.de>
3466 PR rtl-optimization/69291
3467 * ifcvt.c (noce_try_store_flag_constants): Do not allow
3468 subexpressions affected by changing the result.
3470 2016-02-10 Vladimir Makarov <vmakarov@redhat.com>
3472 PR target/69148
3473 * lra-constraints.c (curr_insn_transform): Find in/out operands
3474 for secondary memory moves. Update dups.
3476 2016-02-10 Yuri Rumyantsev <ysrumyan@gmail.com>
3478 PR tree-optimization/69652
3479 * tree-vect-loop.c (optimize_mask_stores): Move declaration of STMT1
3480 to nested loop, did source re-formatting, skip debug statements,
3481 add check on statement with volatile operand, remove dead scalar
3482 statements.
3484 2016-02-10 Jakub Jelinek <jakub@redhat.com>
3485 Patrick Palka <ppalka@gcc.gnu.org>
3487 PR ipa/69241
3488 PR c++/69649
3489 * gimplify.c (gimplify_modify_expr): Set lhs even for noreturn
3490 calls if the return type is TREE_ADDRESSABLE.
3491 * cgraphunit.c (cgraph_node::expand_thunk): Likewise.
3492 * ipa-split.c (split_function): Fix doubled "we" in comment.
3493 Use void return type for the split part even if
3494 !split_point->split_part_set_retval.
3496 2016-02-10 Bin Cheng <bin.cheng@arm.com>
3498 PR tree-optimization/68021
3499 * tree-ssa-loop-ivopts.c (get_computation_aff): Set ratio to 1 if
3500 when computing the value of biv cand by itself.
3502 2016-02-10 Wilco Dijkstra <wdijkstr@arm.com>
3504 * config/aarch64/aarch64.c (cortexa53_tunings): Enable AES fusion.
3505 (cortexa57_tunings): Likewise.
3506 (cortexa72_tunings): Likewise.
3507 (arch_macro_fusion_pair_p): Add support for AES fusion.
3508 * config/aarch64/aarch64-fusion-pairs.def: Add AES_AESMC entry.
3509 * config/arm/aarch-common.c (aarch_crypto_can_dual_issue):
3510 Allow virtual registers before reload so early scheduling works.
3511 * config/arm/cortex-a57.md (cortex_a57_crypto_simple): Use
3512 correct latency and pipeline.
3513 (cortex_a57_crypto_complex): Likewise.
3514 (cortex_a57_crypto_xor): Likewise.
3515 (define_bypass): Add AES bypass.
3517 2016-02-10 Richard Biener <rguenther@suse.de>
3519 PR tree-optimization/69726
3520 * passes.def: Add DCE pass before late uninit.
3521 * match.pd: Add A ? B : (!A ? C : X) -> A ? B : C patterns to
3522 really fixup if-conversions job.
3524 2016-02-10 Wilco Dijkstra <wdijkstr@arm.com>
3526 * config/arm/arm.c (arm_cortex_a53_tune): Enable AES fusion.
3527 (arm_cortex_a57_tune): Likewise.
3528 (aarch_macro_fusion_pair_p): Add support for AES fusion.
3529 * config/arm/arm-protos.h (fuse_ops): Add FUSE_AES_AESMC.
3531 2016-02-10 Eric Botcazou <ebotcazou@adacore.com>
3533 * timevar.def (TV_PHASE_DBGINFO): Delete.
3534 (TV_PHASE_CHECK_DBGINFO): Likewise.
3535 * varpool.c (varpool_node::assemble_decl): Do not change timevar.
3537 2016-02-10 Richard Biener <rguenther@suse.de>
3539 PR tree-optimization/69719
3540 * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
3541 Adjust previous fix by ensuring that dr_a1 is left of dr_a2.
3543 2016-02-09 Andrew Pinski <apinski@cavium.com>
3545 PR tree-opt/69282
3546 * optabs-tree.c (expand_vec_cond_expr_p): Don't early return if
3547 get_vcond_mask_icode returns false.
3549 2016-02-09 Michael Meissner <meissner@linux.vnet.ibm.com>
3551 PR target/68404
3552 * config/rs6000/predicates.md (fusion_gpr_addis): Prevent fusing
3553 an ADDIS that adds a pointer to a large constant that sets the
3554 upper16 bits with a load operation.
3556 2016-02-09 Charles Baylis <charles.baylis@linaro.org>
3558 PR target/68532
3559 * config/arm/arm.c (arm_evpc_neon_vzip): Allow for big endian lane
3560 order.
3561 * config/arm/arm_neon.h (vzipq_s8): Adjust shuffle patterns for big
3562 endian.
3563 (vzipq_s16): Likewise.
3564 (vzipq_s32): Likewise.
3565 (vzipq_f32): Likewise.
3566 (vzipq_u8): Likewise.
3567 (vzipq_u16): Likewise.
3568 (vzipq_u32): Likewise.
3569 (vzipq_p8): Likewise.
3570 (vzipq_p16): Likewise.
3572 2016-02-09 Charles Baylis <charles.baylis@linaro.org>
3574 PR target/68532
3575 * config/arm/arm.c (neon_endian_lane_map): New function.
3576 (neon_vector_pair_endian_lane_map): New function.
3577 (arm_evpc_neon_vuzp): Allow for big endian lane order.
3578 * config/arm/arm_neon.h (vuzpq_s8): Adjust shuffle patterns for big
3579 endian.
3580 (vuzpq_s16): Likewise.
3581 (vuzpq_s32): Likewise.
3582 (vuzpq_f32): Likewise.
3583 (vuzpq_u8): Likewise.
3584 (vuzpq_u16): Likewise.
3585 (vuzpq_u32): Likewise.
3586 (vuzpq_p8): Likewise.
3587 (vuzpq_p16): Likewise.
3589 2016-02-11 Alexandre Oliva <aoliva@redhat.com>
3591 PR target/69634
3592 * regstat.c (regstat_bb_compute_calls_crossed): Disregard
3593 debug insns.
3595 2016-02-09 Uros Bizjak <ubizjak@gmail.com>
3597 * config/i386/i386.md (insv<mode>_1): Use gen_int_mode to
3598 truncate const_int operand 1 to QImode.
3600 2016-02-09 Eric Botcazou <ebotcazou@adacore.com>
3602 * gimple-ssa-backprop.c (optimize_phi): Do not replace an argument
3603 corresponding to an abnormal edge.
3605 2016-02-09 Tom de Vries <tom@codesourcery.com>
3607 PR tree-optimization/69599
3608 * tree-ssa-structalias.c (fndecl_maybe_in_other_partition): New
3609 function.
3610 (find_func_aliases_for_builtin_call, find_func_clobbers)
3611 (ipa_pta_execute): Handle case that foo and foo._0 are not in same lto
3612 partition.
3614 2016-02-09 Richard Biener <rguenther@suse.de>
3616 PR tree-optimization/69715
3617 * tree-ssa.c (execute_update_addresses_taken): Mark non-decl
3618 LHS on calls as non-rewritable.
3620 2016-02-09 Tom de Vries <tom@codesourcery.com>
3622 PR lto/69707
3623 * lto-wrapper.c (append_diag_options): New function.
3624 (compile_offload_image): Call append_diag_options.
3626 2016-02-08 Sandra Loosemore <sandra@codesourcery.com>
3628 PR other/69722
3629 * doc/extend.texi (Flag Output Operands): Correct sectioning.
3630 Minor copy-edit to fix verb tenses.
3632 2016-02-08 Jakub Jelinek <jakub@redhat.com>
3634 PR tree-optimization/69209
3635 * ipa-split.c (split_function): If split part is not
3636 returning retval, retval has gimple type but is not
3637 gimple value, force it into a SSA_NAME first.
3639 2016-02-08 Nicklas Bo Jensen <nbjensen@gmail.com>
3641 * doc/tree-ssa.texi (Preserving the virtual SSA form): Remove
3642 outdated section.
3644 2016-02-08 Jason Merrill <jason@redhat.com>
3646 PR c++/69631
3647 * convert.c (convert_to_integer_1): Check dofold on truncation
3648 distribution.
3649 (convert_to_pointer_maybe_fold, convert_to_real_maybe_fold)
3650 (convert_to_integer_maybe_fold, convert_to_complex_maybe_fold):
3651 Rename from *_nofold.
3652 * convert.h (convert_to_pointer_nofold, convert_to_integer_nofold)
3653 (convert_to_real_nofold, convert_to_complex_nofold): New inlines.
3655 2016-02-08 Bernd Schmidt <bschmidt@redhat.com>
3657 PR target/60410
3658 * tree.c (build_common_tree_nodes): Remove short_double argument.
3659 All callers changed.
3660 * tree.h (build_common_tree_nodes): Adjust declaration.
3661 * doc/invoke.texi (-fshort-double): Remove documentation.
3662 * config/mips/t-img-elf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
3663 MULTILIB_EXCEPTIONS): Remove -fshort-double variant.
3664 * lto-wrapper.c (merge_and_complain, append_compiler_options)
3665 (append_linker_options): Don't handle OPT_fshort_double.
3667 PR rtl-optimization/68730
3668 * lra-remat.c (insn_to_cand_activation): New static variable.
3669 (lra_remat): Allocate and free it.
3670 (create_cand): New arg activation. Initialize a field in
3671 insn_to_cand_activation if it is nonnull.
3672 (create_cands): Pass the activation insn to create_cand when making
3673 a candidate involving an output reload. Reorganize code a little.
3674 (do_remat): Keep track of active status of candidates in a separate
3675 bitmap.
3677 2016-02-08 Richard Biener <rguenther@suse.de>
3679 PR tree-optimization/69719
3680 * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
3681 Properly use absolute of the difference of the two offsets to
3682 compare or adjust the segment length.
3684 2016-02-08 Richard Biener <rguenther@suse.de>
3685 Jeff Law <law@redhat.com>
3687 PR target/68273
3688 * tree-ssanames.c (make_ssa_name_fn): Always use unqualified
3689 types for anonymous SSA names.
3691 2016-02-08 Richard Biener <rguenther@suse.de>
3693 PR rtl-optimization/69274
3694 * ira.c (ira_setup_alts): Do not change recog_data.operand order.
3696 2016-02-08 Jeff Law <law@redhat.com>
3698 PR tree-optimization/65917
3699 * tree-ssa-dom.c (record_temporary_equivalences): Record both
3700 equivalences from if (x == y) style conditionals.
3701 (loop_depth_of_name): Remove.
3702 (record_equality): Remove loop depth check.
3703 * tree-ssa-scopedtables.h (const_and_copies): Refine comments.
3704 (const_and_copies::record_const_or_copy_raw): New member function.
3705 * tree-ssa-scopedtables.c
3706 (const_and_copies::record_const_or_copy_raw): New, factored out of
3707 (const_and_copies::record_const_or_copy): Call new member function.
3709 2016-02-05 Jeff Law <law@redhat.com>
3711 PR tree-optimization/68541
3712 * gimple-ssa-split-paths.c: Include tree-cfg.h and params.h.
3713 (count_stmts_in_block): New function.
3714 (poor_ifcvt_candidate_code): Likewise.
3715 (is_feasible_trace): Add some heuristics to determine when path
3716 splitting is profitable.
3717 (find_block_to_duplicate_for_splitting_paths): Make sure the graph
3718 is a diamond with a single exit.
3720 2016-02-05 Martin Sebor <msebor@redhat.com>
3722 PR c++/69662
3723 * doc/invoke.texi: Update -Wplacement-new to take an optional
3724 argument.
3726 2016-02-06 Richard Henderson <rth@redhat.com>
3728 PR c/69643
3729 * tree.c (tree_nop_conversion_p): Do not strip casts into or
3730 out of non-standard address spaces.
3732 2016-02-05 Jakub Jelinek <jakub@redhat.com>
3734 PR rtl-optimization/69691
3735 * lra-eliminations.c (move_plus_up): Don't add the addend twice.
3737 2016-02-05 Pat Haugen <pthaugen@us.ibm.com>
3739 * config/rs6000/crypto.md (crypto_vpermxor_<mode>): Correct insn type.
3740 * config/rs6000/rs6000.md (mov<mode>_hardfloat): Likewise.
3741 (*ieee128_mfvsrd_64bit): Likewise.
3742 (*ieee128_mfvsrd_32bit): Likewise.
3744 2016-02-05 Ilya Enkovich <enkovich.gnu@gmail.com>
3746 PR target/69369
3747 Revert r232560:
3748 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
3750 * cgraphunit.c (cgraph_node::reset): Clear thunk info and
3751 instrumented_version.
3753 2016-01-05 Jeremy Bennett <jeremy.bennett@embecosm.com>
3755 * doc/invoke.texi (Optimize Options): In table of --param options
3756 rename second occurrence of tracer-min-branch-ratio to
3757 tracer-min-branch-probability, rename
3758 tracer-min-branch-ratio-feedback to
3759 tracer-min-branch-probability-feedback and clarify description,
3760 rename sched-spec-state-edge-prob-cutoff to
3761 sched-state-edge-prob-cutoff, rename selsched-max-insns-to-rename
3762 to selsched-insns-to-rename, rename lto-minpartition to
3763 lto-min-partition, delete reorder-blocks-duplicate and
3764 reorder-blocks-duplicate-feedback.
3766 2016-02-05 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
3768 * config/s390/s390.c (s390_register_info_set_ranges): Remove
3769 superfluous loops.
3771 2016-02-05 Dominik Vogt <vogt@linux.vnet.ibm.com>
3773 * doc/extend.texi: S/390: Correct some typos.
3775 2016-02-05 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
3777 * config/s390/s390.c (s390_emit_call): Add missing 64 bit check.
3779 2016-02-05 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
3781 PR target/69625
3782 * config/s390/s390.c (SAVE_SLOT_NONE, SAVE_SLOT_STACK): New defines.
3783 (s390_register_info_gprtofpr): Use new macros above.
3784 (s390_register_info_stdarg_fpr): Adjust max_fpr to better match
3785 its name.
3786 (s390_register_info_stdarg_gpr): Adjust max_gpr to better match
3787 its name. Adjust restore and save gpr ranges.
3788 (s390_register_info_set_ranges): New function.
3789 (s390_register_info): Use new macros above. Call
3790 s390_register_info_set_ranges.
3791 (s390_optimize_register_info): Likewise.
3792 (s390_hard_regno_rename_ok): Use new macros.
3793 (s390_hard_regno_scratch_ok): Likewise.
3794 (s390_emit_epilogue): Likewise.
3795 (s390_can_use_return_insn): Likewise.
3796 (s390_optimize_prologue): Likewise.
3797 * config/s390/s390.md (GPR2_REGNUM, GPR6_REGNUM): New constants.
3799 2016-02-05 Jakub Jelinek <jakub@redhat.com>
3801 PR bootstrap/69677
3802 * config/i386/i386.c (convert_scalars_to_vector): Readd stack
3803 alignment fixes.
3804 (ix86_option_override_internal): Disable TARGET_STV even for
3805 -m{incoming,preferred}-stack-boundary=3.
3807 2016-02-03 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
3809 * config.gcc: Mark deprecated rtems targets as obsolete.
3811 2016-02-04 Segher Boessenkool <segher@kernel.crashing.org>
3813 PR rtl-optimization/64682
3814 PR rtl-optimization/69567
3815 * combine.c (distribute_notes) <REG_DEAD>: Place the death note
3816 before I2 only if the register is both used and set in I2.
3818 2016-02-04 DJ Delorie <dj@redhat.com>
3820 * config/msp430/msp430.c (msp430_start_function): Add function type.
3822 2016-02-04 Jakub Jelinek <jakub@redhat.com>
3824 PR fortran/69368
3825 * tree-dfa.c (get_ref_base_and_extent): Remove unreachable code.
3827 2016-02-04 Uros Bizjak <ubizjak@gmail.com>
3829 PR rtl-optimization/69577
3830 Revert:
3831 2015-10-29 Richard Henderson <rth@redhat.com>
3833 PR target/68124
3834 PR rtl-opt/67609
3835 * config/i386/i386.c (ix86_cannot_change_mode_class): Tighten
3836 sse check to the exact conditions of PR 67609.
3838 2016-02-04 Michael Meissner <meissner@linux.vnet.ibm.com>
3840 PR target/69667
3841 * config/rs6000/rs6000.md (mov<mode>_64bit_dm): Use 'd' constraint
3842 instead of 'ws', and 'wh' instead of 'wm' since TFmode/IFmode are
3843 not allowed into the traditional Altivec registers.
3844 (movtd_64bit_nodm): Likewise.
3845 (mov<mode>_32bit, FMOVE128_FPR iterator): Likewise.
3847 2016-02-04 David Malcolm <dmalcolm@redhat.com>
3849 * config/aarch64/cortex-a57-fma-steering.c
3850 (aarch64_register_fma_steering): Remove "static" from arguments
3851 to register_pass.
3853 2016-02-04 Wilco Dijkstra <wdijkstr@arm.com>
3855 PR target/69619
3856 * ccmp.c (expand_ccmp_expr_1): Avoid evaluating gs0/gs1
3857 twice when complex.
3859 2016-02-04 Mike Frysinger <vapier@gentoo.org>
3861 * doc/invoke.texi: Delete -mno-fma4.
3863 2016-02-04 Richard Sandiford <richard.sandiford@arm.com>
3865 PR rtl-optimization/69577
3866 * reginfo.c (record_subregs_of_mode): Add a partial_def parameter.
3867 (find_subregs_of_mode): Update accordingly. Iterate over partial
3868 definitions.
3870 2016-02-04 Alan Lawrence <alan.lawrence@arm.com>
3872 * config/arm/arm-protos.h (neon_reinterpret): Remove.
3873 * config/arm/arm.c (neon_reinterpret): Remove.
3874 * config/arm/arm_neon_builtins.def (vreinterpretv8qi, vreinterpretv4hi,
3875 vreinterpretv2si, vreinterpretv2sf, vreinterpretdi, vreinterpretv16qi,
3876 vreinterpretv8hi, vreinterpretv4si, vreinterpretv4sf, vreinterpretv2di,
3877 vreinterpretti): Remove.
3878 * config/arm/neon.md (neon_vreinterpretv8qi<mode>,
3879 neon_vreinterpretv4hi<mode>, neon_vreinterpretv2si<mode>,
3880 neon_vreinterpretv2sf<mode>, neon_vreinterpretdi<mode>,
3881 neon_vreinterpretti<mode>, neon_vreinterpretv16qi<mode>,
3882 neon_vreinterpretv8hi<mode>, neon_vreinterpretv4si<mode>,
3883 neon_vreinterpretv4sf<mode>, neon_vreinterpretv2di<mode>): Remove.
3884 * config/arm/arm_neon.h (vreinterpret_p8_p16, vreinterpret_p8_f32,
3885 vreinterpret_p8_p64, vreinterpret_p8_s64, vreinterpret_p8_u64,
3886 vreinterpret_p8_s8, vreinterpret_p8_s16, vreinterpret_p8_s32,
3887 vreinterpret_p8_u8, vreinterpret_p8_u16, vreinterpret_p8_u32,
3888 vreinterpret_p16_p8, vreinterpret_p16_f32, vreinterpret_p16_p64,
3889 vreinterpret_p16_s64, vreinterpret_p16_u64, vreinterpret_p16_s8,
3890 vreinterpret_p16_s16, vreinterpret_p16_s32, vreinterpret_p16_u8,
3891 vreinterpret_p16_u16, vreinterpret_p16_u32, vreinterpret_f32_p8,
3892 vreinterpret_f32_p16, vreinterpret_f32_p64, vreinterpret_f32_s64,
3893 vreinterpret_f32_u64, vreinterpret_f32_s8, vreinterpret_f32_s16,
3894 vreinterpret_f32_s32, vreinterpret_f32_u8, vreinterpret_f32_u16,
3895 vreinterpret_f32_u32, vreinterpret_p64_p8, vreinterpret_p64_p16,
3896 vreinterpret_p64_f32, vreinterpret_p64_s64, vreinterpret_p64_u64,
3897 vreinterpret_p64_s8, vreinterpret_p64_s16, vreinterpret_p64_s32,
3898 vreinterpret_p64_u8, vreinterpret_p64_u16, vreinterpret_p64_u32,
3899 vreinterpret_s64_p8, vreinterpret_s64_p16, vreinterpret_s64_f32,
3900 vreinterpret_s64_p64, vreinterpret_s64_u64, vreinterpret_s64_s8,
3901 vreinterpret_s64_s16, vreinterpret_s64_s32, vreinterpret_s64_u8,
3902 vreinterpret_s64_u16, vreinterpret_s64_u32, vreinterpret_u64_p8,
3903 vreinterpret_u64_p16, vreinterpret_u64_f32, vreinterpret_u64_p64,
3904 vreinterpret_u64_s64, vreinterpret_u64_s8, vreinterpret_u64_s16,
3905 vreinterpret_u64_s32, vreinterpret_u64_u8, vreinterpret_u64_u16,
3906 vreinterpret_u64_u32, vreinterpret_s8_p8, vreinterpret_s8_p16,
3907 vreinterpret_s8_f32, vreinterpret_s8_p64, vreinterpret_s8_s64,
3908 vreinterpret_s8_u64, vreinterpret_s8_s16, vreinterpret_s8_s32,
3909 vreinterpret_s8_u8, vreinterpret_s8_u16, vreinterpret_s8_u32,
3910 vreinterpret_s16_p8, vreinterpret_s16_p16, vreinterpret_s16_f32,
3911 vreinterpret_s16_p64, vreinterpret_s16_s64, vreinterpret_s16_u64,
3912 vreinterpret_s16_s8, vreinterpret_s16_s32, vreinterpret_s16_u8,
3913 vreinterpret_s16_u16, vreinterpret_s16_u32, vreinterpret_s32_p8,
3914 vreinterpret_s32_p16, vreinterpret_s32_f32, vreinterpret_s32_p64,
3915 vreinterpret_s32_s64, vreinterpret_s32_u64, vreinterpret_s32_s8,
3916 vreinterpret_s32_s16, vreinterpret_s32_u8, vreinterpret_s32_u16,
3917 vreinterpret_s32_u32, vreinterpret_u8_p8, vreinterpret_u8_p16,
3918 vreinterpret_u8_f32, vreinterpret_u8_p64, vreinterpret_u8_s64,
3919 vreinterpret_u8_u64, vreinterpret_u8_s8, vreinterpret_u8_s16,
3920 vreinterpret_u8_s32, vreinterpret_u8_u16, vreinterpret_u8_u32,
3921 vreinterpret_u16_p8, vreinterpret_u16_p16, vreinterpret_u16_f32,
3922 vreinterpret_u16_p64, vreinterpret_u16_s64, vreinterpret_u16_u64,
3923 vreinterpret_u16_s8, vreinterpret_u16_s16, vreinterpret_u16_s32,
3924 vreinterpret_u16_u8, vreinterpret_u16_u32, vreinterpret_u32_p8,
3925 vreinterpret_u32_p16, vreinterpret_u32_f32, vreinterpret_u32_p64,
3926 vreinterpret_u32_s64, vreinterpret_u32_u64, vreinterpret_u32_s8,
3927 vreinterpret_u32_s16, vreinterpret_u32_s32, vreinterpret_u32_u8,
3928 vreinterpret_u32_u16, vreinterpretq_p8_p16, vreinterpretq_p8_f32,
3929 vreinterpretq_p8_p64, vreinterpretq_p8_p128, vreinterpretq_p8_s64,
3930 vreinterpretq_p8_u64, vreinterpretq_p8_s8, vreinterpretq_p8_s16,
3931 vreinterpretq_p8_s32, vreinterpretq_p8_u8, vreinterpretq_p8_u16,
3932 vreinterpretq_p8_u32, vreinterpretq_p16_p8, vreinterpretq_p16_f32,
3933 vreinterpretq_p16_p64, vreinterpretq_p16_p128, vreinterpretq_p16_s64,
3934 vreinterpretq_p16_u64, vreinterpretq_p16_s8, vreinterpretq_p16_s16,
3935 vreinterpretq_p16_s32, vreinterpretq_p16_u8, vreinterpretq_p16_u16,
3936 vreinterpretq_p16_u32, vreinterpretq_f32_p8, vreinterpretq_f32_p16,
3937 vreinterpretq_f32_p64, vreinterpretq_f32_p128, vreinterpretq_f32_s64,
3938 vreinterpretq_f32_u64, vreinterpretq_f32_s8, vreinterpretq_f32_s16,
3939 vreinterpretq_f32_s32, vreinterpretq_f32_u8, vreinterpretq_f32_u16,
3940 vreinterpretq_f32_u32, vreinterpretq_p64_p8, vreinterpretq_p64_p16,
3941 vreinterpretq_p64_f32, vreinterpretq_p64_p128, vreinterpretq_p64_s64,
3942 vreinterpretq_p64_u64, vreinterpretq_p64_s8, vreinterpretq_p64_s16,
3943 vreinterpretq_p64_s32, vreinterpretq_p64_u8, vreinterpretq_p64_u16,
3944 vreinterpretq_p64_u32, vreinterpretq_p128_p8, vreinterpretq_p128_p16,
3945 vreinterpretq_p128_f32, vreinterpretq_p128_p64, vreinterpretq_p128_s64,
3946 vreinterpretq_p128_u64, vreinterpretq_p128_s8, vreinterpretq_p128_s16,
3947 vreinterpretq_p128_s32, vreinterpretq_p128_u8, vreinterpretq_p128_u16,
3948 vreinterpretq_p128_u32, vreinterpretq_s64_p8, vreinterpretq_s64_p16,
3949 vreinterpretq_s64_f32, vreinterpretq_s64_p64, vreinterpretq_s64_p128,
3950 vreinterpretq_s64_u64, vreinterpretq_s64_s8, vreinterpretq_s64_s16,
3951 vreinterpretq_s64_s32, vreinterpretq_s64_u8, vreinterpretq_s64_u16,
3952 vreinterpretq_s64_u32, vreinterpretq_u64_p8, vreinterpretq_u64_p16,
3953 vreinterpretq_u64_f32, vreinterpretq_u64_p64, vreinterpretq_u64_p128,
3954 vreinterpretq_u64_s64, vreinterpretq_u64_s8, vreinterpretq_u64_s16,
3955 vreinterpretq_u64_s32, vreinterpretq_u64_u8, vreinterpretq_u64_u16,
3956 vreinterpretq_u64_u32, vreinterpretq_s8_p8, vreinterpretq_s8_p16,
3957 vreinterpretq_s8_f32, vreinterpretq_s8_p64, vreinterpretq_s8_p128,
3958 vreinterpretq_s8_s64, vreinterpretq_s8_u64, vreinterpretq_s8_s16,
3959 vreinterpretq_s8_s32, vreinterpretq_s8_u8, vreinterpretq_s8_u16,
3960 vreinterpretq_s8_u32, vreinterpretq_s16_p8, vreinterpretq_s16_p16,
3961 vreinterpretq_s16_f32, vreinterpretq_s16_p64, vreinterpretq_s16_p128,
3962 vreinterpretq_s16_s64, vreinterpretq_s16_u64, vreinterpretq_s16_s8,
3963 vreinterpretq_s16_s32, vreinterpretq_s16_u8, vreinterpretq_s16_u16,
3964 vreinterpretq_s16_u32, vreinterpretq_s32_p8, vreinterpretq_s32_p16,
3965 vreinterpretq_s32_f16, vreinterpretq_s32_f32, vreinterpretq_s32_p64,
3966 vreinterpretq_s32_p128, vreinterpretq_s32_s64, vreinterpretq_s32_u64,
3967 vreinterpretq_s32_s8, vreinterpretq_s32_s16, vreinterpretq_s32_u8,
3968 vreinterpretq_s32_u16, vreinterpretq_s32_u32, vreinterpretq_u8_p8,
3969 vreinterpretq_u8_p16, vreinterpretq_u8_f32, vreinterpretq_u8_p64,
3970 vreinterpretq_u8_p128, vreinterpretq_u8_s64, vreinterpretq_u8_u64,
3971 vreinterpretq_u8_s8, vreinterpretq_u8_s16, vreinterpretq_u8_s32,
3972 vreinterpretq_u8_u16, vreinterpretq_u8_u32, vreinterpretq_u16_p8,
3973 vreinterpretq_u16_p16, vreinterpretq_u16_f32, vreinterpretq_u16_p64,
3974 vreinterpretq_u16_p128, vreinterpretq_u16_s64, vreinterpretq_u16_u64,
3975 vreinterpretq_u16_s8, vreinterpretq_u16_s16, vreinterpretq_u16_s32,
3976 vreinterpretq_u16_u8, vreinterpretq_u16_u32, vreinterpretq_u32_p8,
3977 vreinterpretq_u32_p16, vreinterpretq_u32_f32, vreinterpretq_u32_p64,
3978 vreinterpretq_u32_p128, vreinterpretq_u32_s64, vreinterpretq_u32_u64,
3979 vreinterpretq_u32_s8, vreinterpretq_u32_s16, vreinterpretq_u32_s32,
3980 vreinterpretq_u32_u8, vreinterpretq_u32_u16): Rewrite using casts.
3982 2016-02-04 Martin Liska <mliska@suse.cz>
3984 PR sanitizer/69276
3985 * asan.c (has_stmt_been_instrumented_p): Instrument gimple calls
3986 that are gimple_store_p.
3987 (maybe_instrument_call): Likewise.
3989 2016-02-04 Bin Cheng <bin.cheng@arm.com>
3991 * config/aarch64/aarch64.c (aarch64_legitimize_address): Force
3992 register scaling out of memory reference and comment why.
3994 2016-02-04 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
3996 PR target/65932
3997 PR target/67714
3998 * cse.c (cse_insn): Pass NULL to fold_rtx when initially
3999 folding the source of a SET.
4001 2016-02-04 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
4003 PR target/65932
4004 PR target/67714
4005 * config/arm/arm.c (arm_new_rtx_costs, MULT case): Properly extract
4006 the operands of the SIGN_EXTENDs from a SMUL[TB][TB] rtx.
4008 2016-02-04 Jim Wilson <jim.wilson@linaro.org>
4010 PR target/65932
4011 PR target/67714
4012 * config/arm/arm.h (PROMOTE_MODE): Don't set UNSIGNEDP for QImode and
4013 HImode.
4015 2016-02-04 Christian Bruel <christian.bruel@st.com>
4017 * config/arm/arm-c.c (arm_reset_previous_fndecl): Style fix and typo.
4018 * config/arm/arm.c (arm_set_current_function): Likewise.
4020 2016-02-04 Jakub Jelinek <jakub@redhat.com>
4021 Ilya Enkovich <enkovich.gnu@gmail.com>
4022 H.J. Lu <hongjiu.lu@intel.com>
4024 PR target/69454
4025 * config/i386/i386.c (convert_scalars_to_vector): Remove
4026 stack alignment fixes.
4027 (ix86_option_override_internal): Disable TARGET_STV if stack
4028 might not be aligned enough.
4029 (ix86_minimum_alignment): Assert that TARGET_STV is false.
4031 2016-02-04 Victoria Stepanyan <victoria.stepanyan@amd.com>
4033 * gcc/config/i386/x86-tune.def: Disable default prefetching
4034 for -march=znver1.
4036 2016-02-03 Michael Meissner <meissner@linux.vnet.ibm.com>
4037 Vladimir Makarov <vmakarov@redhat.com>
4039 PR target/69461
4040 * config/rs6000/rs6000.c (rs6000_legitimate_address_p): Fix thinko
4041 in validating fused toc addresses.
4043 2016-02-03 Jakub Jelinek <jakub@redhat.com>
4045 PR c/69627
4046 * diagnostic-show-locus.c (layout::get_state_at_point): Don't read
4047 range->m_caret fields if range->m_show_caret_p is false.
4049 PR target/69644
4050 * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap):
4051 Force oldval into register if it does not satisfy reg_or_short_operand
4052 predicate. Fix up formatting.
4054 2016-02-03 Vladimir Makarov <vmakarov@redhat.com>
4055 Alexandre Oliva <aoliva@redhat.com>
4057 PR target/69461
4058 * lra-constraints.c (simplify_operand_subreg): Check additionally
4059 address validity after potential reloading.
4060 (process_address_1): Check insns validity. In case of failure do
4061 nothing.
4063 2016-02-03 Kirill Yukhin <kirill.yukhin@intel.com>
4065 PR target/69118
4066 * config/i386/sse.md (define_insn "avx512f_maskcmp<mode>3"):
4067 Fix target.
4069 2016-02-02 Jakub Jelinek <jakub@redhat.com>
4071 * wide-int.cc (canonize_uhwi): New function.
4072 (wi::divmod_internal): Use it.
4074 2016-02-02 James Norris <jnorris@codesourcery.com
4076 * gimplify.c (omp_notice_variable): Add usage check.
4078 2016-02-02 Alexander Monakov <amonakov@ispras.ru>
4080 * config/nvptx/nvptx.c (nvptx_print_operand): Treat LEU, GEU, LTU, GTU
4081 like LE, GE, LT, GT when emitting relational operator.
4083 2016-02-02 Wilco Dijkstra <wdijkstr@arm.com>
4085 * ira-costs.c (find_costs_and_classes): Add extra argument.
4086 * target.def (ira_change_pseudo_allocno_class): Add parameter.
4087 * targhooks.h (ira_change_pseudo_allocno_class): Likewise.
4088 * targhooks.c (ira_change_pseudo_allocno_class): Likewise.
4089 * config/aarch64/aarch64.c (aarch64_ira_change_pseudo_allocno_class)
4090 Add best_class parameter, and return it if not ALL_REGS.
4091 * config/mips/mips.c (mips_ira_change_pseudo_allocno_class):
4092 Add parameter.
4093 * doc/tm.texi (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS):
4094 Update target hook.
4096 2016-02-02 Wilco Dijkstra <wdijkstr@arm.com>
4098 * config/aarch64/aarch64.c
4099 (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS): New define.
4100 (aarch64_ira_change_pseudo_allocno_class): New function.
4102 2016-02-02 Uros Bizjak <ubizjak@gmail.com>
4104 PR target/67032
4105 * config/i386/i386.c (geode_cost): Increase cost of MMX and SSE moves.
4107 2016-02-02 Senthil Kumar Selvaraj <senthil_kumar.selvaraj@atmel.com>
4109 * config/avr/avr.c (avr_option_override): Set
4110 PARAM_ALLOW_STORE_DATA_RACES to 1.
4112 2016-02-02 Richard Biener <rguenther@suse.de>
4114 PR tree-optimization/69595
4115 * match.pd: Add range test simplifications to true/false.
4117 2016-02-02 Thomas Schwinge <thomas@codesourcery.com>
4119 * omp-builtins.def (BUILT_IN_GOACC_HOST_DATA): Remove.
4120 * omp-low.c (expand_omp_target): Use BUILT_IN_GOACC_DATA_START
4121 instead.
4123 2016-02-02 Richard Biener <rguenther@suse.de>
4125 PR tree-optimization/69606
4126 * tree-ssa-math-opts.c (bswap_replace): Clear flow sensitive
4127 info on the result before moving a stmt.
4129 2016-02-02 Yuri Rumyantsev <ysrumyan@gmail.com>
4131 PR middle-end/68542
4132 * config/i386/i386.c (ix86_expand_branch): Add support for conditional
4133 branch with vector comparison.
4134 * config/i386/sse.md (VI48_AVX): New mode iterator.
4135 (define_expand "cbranch<mode>4): Add support for conditional branch
4136 with vector comparison.
4137 * tree-vect-loop.c (optimize_mask_stores): New function.
4138 * tree-vect-stmts.c (vectorizable_mask_load_store): Initialize
4139 has_mask_store field of vect_info.
4140 * tree-vectorizer.c (vectorize_loops): Invoke optimaze_mask_stores for
4141 vectorized loops having masked stores after vec_info destroy.
4142 * tree-vectorizer.h (loop_vec_info): Add new has_mask_store field and
4143 correspondent macros.
4144 (optimize_mask_stores): Add prototype.
4146 2016-02-02 Alan Modra <amodra@gmail.com>
4148 PR target/69548
4149 * config/rs6000/predicates.md (quad_int_reg_operand): Don't
4150 allow subregs.
4152 2016-02-02 Alan Modra <amodra@gmail.com>
4154 PR target/68662
4155 * config/rs6000/rs6000.c (need_toc_init): New var, set it
4156 whenever toc_label_name used.
4157 (rs6000_file_start): Don't set up toc section here,
4158 (rs6000_output_function_epilogue): do so here instead,
4159 (rs6000_xcoff_file_start): and here.
4160 * config/rs6000/rs6000.md (load_toc_aix_si): Set need_toc_init.
4161 (load_toc_aix_di): Likewise.
4163 2016-02-01 Jakub Jelinek <jakub@redhat.com>
4165 PR rtl-optimization/69592
4166 * rtlanal.c (nonzero_bits_binary_arith_p): New inline function.
4167 (cached_nonzero_bits): Use it instead of ARITHMETIC_P.
4168 (num_sign_bit_copies_binary_arith_p): New inline function.
4169 (cached_num_sign_bit_copies): Use it instead of ARITHMETIC_P.
4171 2016-02-01 Jeff Law <law@redhat.com>
4173 PR tree-optimization/69580
4174 * params.def (FSM_MAXIMUM_PHI_ARGUMENTS): New param.
4175 * tree-ssa-threadbackward.c
4176 (fsm_find_control_statement_thread_paths): Do not try to walk
4177 through large PHI nodes.
4179 2016-02-01 Jakub Jelinek <jakub@redhat.com>
4181 * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Return false
4182 when count is incremented above limit, don't analyze further
4183 insns afterwards.
4185 * omp-low.c (oacc_parse_default_dims): Avoid
4186 -Wsign-compare warning, make sure value fits into int
4187 rather than just unsigned int.
4189 2016-02-01 Bin Cheng <bin.cheng@arm.com>
4191 PR tree-optimization/67921
4192 * fold-const.c (split_tree): New parameters. Convert pointer
4193 type variable part to proper type before negating.
4194 (fold_binary_loc): Pass new arguments to split_tree.
4196 2016-02-01 Nathan Sidwell <nathan@codesourcery.com>
4198 * config/nvptx/nvptx.c (PTX_GANG_DEFAULT): New.
4199 (nvptx_goacc_validate_dims): Extend to handle global defaults.
4200 * target.def (OACC_VALIDATE_DIMS): Extend documentation.
4201 * doc/tm.texti: Rebuilt.
4202 * doc/invoke.texi (fopenacc-dim): Document.
4203 * lto-wrapper.c (merge_and_complain): Add OPT_fopenacc_dim_ case.
4204 (append_compiler_options): Likewise.
4205 * omp-low.c (oacc_default_dims, oacc_min_dims): New.
4206 (oacc_parse_default_dims): New.
4207 (oacc_validate_dims): Add USED arg. Select non-unity default when
4208 possible.
4209 (oacc_loop_fixed_partitions): Return mask of used partitions.
4210 (oacc_loop_auto_partitions): Emit dump info.
4211 (oacc_loop_partition): Return mask of used partitions.
4212 (execute_oacc_device_lower): Parse default dimension arg. Adjust
4213 loop partitioning and validation calls.
4215 2016-02-01 Richard Biener <rguenther@suse.de>
4217 PR middle-end/69556
4218 * match.pd: Guard (C1/X)*C2 -> (C1*C2)/X with single_use.
4220 2016-02-01 Richard Biener <rguenther@suse.de>
4222 PR tree-optimization/69574
4223 * tree-chrec.c (hide_evolution_in_other_loops_than_loop): Instead
4224 of asserting return chrec_dont_know.
4226 2016-02-01 Martin Liska <mliska@suse.cz>
4228 * mem-stats-traits.h: Add copyright header.
4229 * mem-stats.h: Likewise.
4231 2016-02-01 Richard Biener <rguenther@suse.de>
4233 PR tree-optimization/69579
4234 * tree-ssa-loop-ivcanon.c (propagate_constants_for_unrolling):
4235 Do not propagate through abnormal PHI results.
4237 2016-02-01 Eric Botcazou <ebotcazou@adacore.com>
4239 * postreload.c (reload_cse_simplify): Remove dead code.
4241 2016-02-01 Jakub Jelinek <jakub@redhat.com>
4243 PR rtl-optimization/69570
4244 * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Return true only
4245 if there is more than one set, not if there is a single set.
4247 2016-02-01 Richard Henderson <rth@redhat.com>
4249 PR rtl-opt/69535
4250 * combine.c (make_compound_operation): When looking through a
4251 subreg, make sure to re-extend to the width of the outer mode.
4253 2016-01-30 Jakub Jelinek <jakub@redhat.com>
4255 PR tree-optimization/69546
4256 * wide-int.cc (wi::divmod_internal): For unsigned division
4257 where both operands fit into uhwi, if o1 is 1 and o0 has
4258 msb set, if divident_prec is larger than bits per hwi,
4259 clear another quotient word and return 2 instead of 1.
4260 Similarly for remainder with msb in HWI set, if dividend_prec
4261 is larger than bits per hwi.
4263 2016-01-29 Martin Jambor <mjambor@suse.cz>
4265 * hsa-gen.c (get_memory_order_name): Mask with MEMMODEL_BASE_MASK.
4266 Use short lowercase names.
4267 (get_memory_order): Mask with MEMMODEL_BASE_MASK. Support
4268 MEMMODEL_CONSUME with acquire semantics and MEMMODEL_SEQ_CST with
4269 acq_rel one. Protect warning agains segfaults if
4270 get_memory_order_name returns NULL.
4271 (gen_hsa_ternary_atomic_for_builtin): Support with MEMMODEL_SEQ_CST
4272 with release semantics. Do not warn if get_memory_order already did.
4273 (gen_hsa_insns_for_call): Support with MEMMODEL_SEQ_CST with acquire
4274 semantics. Fix check for relaxed or acquire semantics. Do not warn
4275 if get_memory_order already did.
4277 2016-01-29 Sebastian Pop <s.pop@samsung.com>
4279 * doc/install.texi: Document that isl-0.16 is supported.
4281 2016-01-29 Vladimir Makarov <vmakarov@redhat.com>
4283 PR target/69299
4284 * config/i386/constraints.md (Bm): Describe as special memory
4285 constraint.
4286 * doc/md.texi (DEFINE_SPECIAL_MEMORY_CONSTRAINT): Describe it.
4287 * genoutput.c (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
4288 * genpreds.c (struct constraint_data): Add is_special_memory.
4289 (have_special_memory_constraints, special_memory_start): New
4290 static vars.
4291 (special_memory_end): Ditto.
4292 (add_constraint): Add new arg is_special_memory. Add code to
4293 process its true value. Update have_special_memory_constraints.
4294 (process_define_constraint): Pass the new arg.
4295 (process_define_register_constraint): Ditto.
4296 (choose_enum_order): Process special memory.
4297 (write_tm_preds_h): Generate enum const CT_SPECIAL_MEMORY and
4298 function insn_extra_special_memory_constraint.
4299 (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
4300 * gensupport.c (process_rtx): Process
4301 DEFINE_SPECIAL_MEMORY_CONSTRAINT.
4302 * ira-costs.c (record_reg_classes): Process CT_SPECIAL_MEMORY.
4303 * ira-lives.c (single_reg_class): Use
4304 insn_extra_special_memory_constraint.
4305 * ira.c (ira_setup_alts): Process CT_SPECIAL_MEMORY.
4306 * lra-constraints.c (process_alt_operands): Ditto.
4307 (curr_insn_transform): Use insn_extra_special_memory_constraint.
4308 * recog.c (asm_operand_ok, preprocess_constraints): Process
4309 CT_SPECIAL_MEMORY.
4310 * reload.c (find_reloads): Ditto.
4311 * rtl.def (DEFINE_SPECIFAL_MEMORY_CONSTRAINT): New.
4312 * stmt.c (parse_input_constraint): Use
4313 insn_extra_special_memory_constraint.
4315 2016-01-29 H.J. Lu <hongjiu.lu@intel.com>
4317 PR target/69530
4318 * lra-splill.c (lra_final_code_change): Revert r229087 by
4319 removing all sub-registers.
4321 2016-01-29 Steve Ellcey <sellcey@imgtec.com>
4323 PR target/65604
4324 * config/mips/mips.c (mips_output_division): Check flag_delayed_branch.
4326 2016-01-29 Jakub Jelinek <jakub@redhat.com>
4328 PR target/69551
4329 * config/i386/i386.c (ix86_expand_vector_set) <case V4SImode>: For
4330 SSE1, copy target into the temporary reg first before recursing
4331 on it.
4333 2016-01-29 H.J. Lu <hongjiu.lu@intel.com>
4335 * config/i386/sse.md (sse2_cvtps2pd<mask_name>): Replace vBm
4336 with vm.
4338 2016-01-29 Jonathan Wakely <jwakely@redhat.com>
4340 * ginclude/stdarg.h: Test __cplusplus instead of
4341 __GXX_EXPERIMENTAL_CXX0X__.
4343 2016-01-29 Richard Biener <rguenther@suse.de>
4345 PR tree-optimization/69547
4346 * tree-ssa-dce.c (mark_aliased_reaching_defs_necessary_1):
4347 Do not mark clobbers necessary.
4348 (mark_all_reaching_defs_necessary_1): Likewise.
4350 2016-01-29 Dominik Vogt <vogt@linux.vnet.ibm.com>
4352 * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Format
4353 declaration name with %qs and print it in both error messages.
4354 Also fix indentation.
4356 2016-01-29 Dominik Vogt <vogt@linux.vnet.ibm.com>
4358 PR other/69006
4359 * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Remove
4360 trailing blank line from error message.
4362 2016-01-29 Jonathan Wakely <jwakely@redhat.com>
4364 PR c++/69462
4365 * ginclude/float.h: Also provide FLT_EVAL_METHOD and DECIMAL_DIG
4366 for C++-11.
4368 2016-01-29 Richard Biener <rguenther@suse.de>
4370 PR middle-end/69537
4371 * match.pd: Allow all integral types when simplifying a
4372 widening or sign-changing conversion.
4374 2016-01-28 Sebastian Pop <s.pop@samsung.com>
4376 * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Revert assert
4377 back to setting codegen_error to fail codegen.
4379 2016-01-28 Uros Bizjak <ubizjak@gmail.com>
4381 PR target/69459
4382 * config/i386/constraints.md (C): Only accept constant zero operand.
4383 (BC): New constraint.
4384 * config/i386/sse.md (*mov<mode>_internal): Use BC constraint
4385 instead of C constraint.
4386 * doc/md.texi (Machine Constraints): Update description
4387 of C constraint.
4389 2016-01-28 Steve Ellcey <sellcey@imgtec.com>
4391 PR target/68400
4392 * config/mips/mips.c (and_operands_ok): Add MIPS16 check.
4394 2016-01-28 Jakub Jelinek <jakub@redhat.com>
4396 PR middle-end/69542
4397 * lra-remat.c (calculate_local_reg_remat_bb_data): Only consider
4398 non-debug insns.
4400 2016-01-28 Pat Haugen <pthaugen@us.ibm.com>
4402 * config/rs6000/rs6000.c (output_cbranch): Don't statically predict
4403 branches if using guessed profile.
4405 2016-01-28 H.J. Lu <hongjiu.lu@intel.com>
4407 * graphite-optimize-isl.c (optimize_isl): Fix dump.
4409 2016-01-28 Richard Henderson <rth@redhat.com>
4411 PR target/69305
4412 * config/aarch64/aarch64-modes.def (CC_Cmode): New
4413 * config/aarch64/aarch64-protos.h: Update.
4414 * config/aarch64/aarch64.c (aarch64_zero_extend_const_eq): New.
4415 (aarch64_select_cc_mode): Add check for use of CC_Cmode.
4416 (aarch64_get_condition_code_1): Handle CC_Cmode.
4417 * config/aarch64/aarch64.md (addti3): Use adddi3_compareC.
4418 (*add<mode>3_compareC_cconly_imm): New.
4419 (*add<mode>3_compareC_cconly): New.
4420 (*add<mode>3_compareC_imm): New.
4421 (add<mode>3_compareC): New.
4422 (add<mode>3_carryin, *addsi3_carryin_uxtw): Sort compare operand
4423 to be first. Use aarch64_carry_operation.
4424 (*add<mode>3_carryin_alt1, *addsi3_carryin_alt1_uxtw): Remove.
4425 (*add<mode>3_carryin_alt2, *addsi3_carryin_alt2_uxtw): Remove.
4426 (*add<mode>3_carryin_alt3, *addsi3_carryin_alt3_uxtw): Remove.
4427 (subti3): Use subdi3_compare1.
4428 (*sub<mode>3_compare0): Rename from sub<mode>3_compare0.
4429 (sub<mode>3_compare1): New.
4430 (*sub<mode>3_carryin0, *subsi3_carryin_uxtw): New.
4431 (*sub<mode>3_carryin): Use aarch64_borrow_operation.
4432 (*subsi3_carryin_uxtw): Likewise.
4433 (*ngc<mode>, *ngcsi_uxtw): Likewise.
4434 (*sub<mode>3_carryin_alt, *subsi3_carryin_alt_uxtw): New.
4435 * config/aarch64/iterators.md (DWI): New.
4436 * config/aarch64/predicates.md (aarch64_carry_operation): New.
4437 (aarch64_borrow_operation): New.
4439 2016-01-28 Abderrazek Zaafrani <a.zaafrani@samsung.com>
4441 * graphite-optimize-isl.c (optimize_isl): Print a different debug
4442 message when isl does not return a valid schedule.
4444 2016-01-28 Sebastian Pop <s.pop@samsung.com>
4446 * graphite-isl-ast-to-gimple.c (class translate_isl_ast_to_gimple):
4447 Remove comments from class declarations: they are already in the code
4448 close by the defs.
4450 2016-01-28 Sebastian Pop <s.pop@samsung.com>
4452 * graphite-isl-ast-to-gimple.c (binary_op_to_tree): Call
4453 codegen_error_p.
4454 (ternary_op_to_tree): Same.
4455 (unary_op_to_tree): Same.
4456 (nary_op_to_tree): Same.
4457 (gcc_expression_from_isl_expr_op): Same.
4458 (gcc_expression_from_isl_expression): Same.
4459 (graphite_create_new_loop): Same.
4460 (graphite_create_new_loop_guard): Same.
4461 (build_iv_mapping): Same.
4462 (graphite_create_new_guard): Same.
4463 (translate_isl_ast_to_gimple::copy_loop_phi_nodes): Same.
4464 (translate_isl_ast_to_gimple::translate_pending_phi_nodes): Same.
4466 2016-01-28 Sebastian Pop <s.pop@samsung.com>
4468 * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Assert
4469 instead of setting codegen_error to fail codegen.
4471 2016-01-28 Jason Merrill <jason@redhat.com>
4473 * tree.h (BINFO_FLAG_0): Rename from BINFO_MARKED.
4475 2016-01-28 Wilco Dijkstra <wdijkstr@arm.com>
4477 * config/aarch64/aarch64.c (aarch64_if_then_else_costs):
4478 Remove CONST_INT_P check in CCMP cost calculation.
4480 2016-01-28 Wilco Dijkstra <wdijkstr@arm.com>
4482 * config/aarch64/aarch64.c (generic_vector_cost):
4483 Set vec_permute_cost.
4484 (cortexa57_vector_cost): Likewise.
4485 (exynosm1_vector_cost): Likewise.
4486 (xgene1_vector_cost): Likewise.
4487 (aarch64_builtin_vectorization_cost): Use vec_permute_cost.
4488 * config/aarch64/aarch64-protos.h (cpu_vector_cost):
4489 Add vec_permute_cost entry.
4491 2016-01-28 Wilco Dijkstra <wdijkstr@arm.com>
4493 * config/aarch64/aarch64.md (ccmp<mode>): Disassemble
4494 immediate as %1.
4495 (add<mode>3_compare0): Likewise.
4496 (addsi3_compare0_uxtw): Likewise.
4497 (add<mode>3nr_compare0): Likewise.
4498 (compare_neg<mode>): Likewise.
4499 (<optab><mode>3): Likewise.
4501 2016-01-28 Ilya Enkovich <enkovich.gnu@gmail.com>
4503 * tree-vect-stmts.c (vectorizable_comparison): Add
4504 NULL check for vectype.
4506 2016-01-28 Richard Biener <rguenther@suse.de>
4508 PR tree-optimization/69466
4509 * tree-vect-loop-manip.c (slpeel_duplicate_current_defs_from_edges):
4510 Account for PHIs we couldn't duplicate.
4512 2016-01-28 Martin Liska <mliska@suse.cz>
4514 PR pch/68758
4515 * ggc-common.c (gt_pch_save): Use ENABLE_VALGRIND_ANNOTATIONS macro
4516 instead of ENABLE_VALGRIND_CHECKING.
4518 2016-01-27 Richard Henderson <rth@redhat.com>
4520 PR rtl-opt/69447
4521 * lra-remat.c (subreg_regs): New.
4522 (dump_candidates_and_remat_bb_data): Dump it.
4523 (operand_to_remat): Reject if operand in subreg_regs.
4524 (set_bb_regs): Collect subreg_regs.
4525 (lra_remat): Init and free subreg_regs. Compute
4526 calculate_local_reg_remat_bb_data before create_cands.
4528 2016-01-27 H.J. Lu <hongjiu.lu@intel.com>
4530 PR target/68986
4531 * config/i386/i386.c (ix86_update_stack_boundary): Don't
4532 change stack_alignment_needed for __tls_get_addr call.
4534 2016-01-27 Segher Boessenkool <segher@kernel.crashing.org>
4536 * config/rs6000/rs6000.c (print_operand): Rollback 's' removal.
4538 2016-01-27 Jeff Law <law@redhat.com>
4540 PR tree-optimization/68398
4541 PR tree-optimization/69196
4542 * params.def (PARAM_FSM_SCALE_PATH_STMTS): New parameter.
4543 (PARAM_FSM_SCALE_PATH_BLOCKS): Likewise.
4544 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
4545 Only count PHIs in the last block in the path. The others will
4546 const/copy propagate away. Add heuristic to allow more irreducible
4547 subloops to be created when it is likely profitable to do so.
4549 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
4550 Fix typo in comment. Use gsi_after_labels and remove the GIMPLE_LABEL
4551 check from within the loop. Use gsi_next_nondebug rather than gsi_next.
4553 2016-01-27 Jakub Jelinek <jakub@redhat.com>
4555 PR lto/69254
4556 * sanitizer.def: Add BEGIN_SANITIZER_BUILTINS and
4557 END_SANITIZER_BUILTINS markers using DEF_BUILTIN_STUB.
4558 * asan.c (DEF_BUILTIN_STUB): Temporarily define.
4559 * tree-streamer-in.c: Include asan.h.
4560 (streamer_get_builtin_tree): For builtins in sanitizer
4561 range call initialize_sanitizer_builtins and retry.
4563 2016-01-27 Ian Lance Taylor <iant@google.com>
4565 * common.opt (fkeep-gc-roots-live): New undocumented option.
4566 * tree-ssa-loop-ivopts.c (add_candidate_1): If
4567 -fkeep-gc-roots-live, skip pointers.
4568 (add_iv_candidate_for_biv): Handle add_candidate_1 returning
4569 NULL.
4571 2016-01-27 Uros Bizjak <ubizjak@gmail.com>
4573 PR target/69512
4574 * config/i386/i386.md (*zext<mode>_doubleword_and): New pattern.
4575 (*zext<mode>_doubleword): Disable for TARGET_ZERO_EXTEND_WITH_AND.
4577 2016-01-27 Thomas Klausner <wiz@NetBSD.org>
4579 PR target/68380
4580 * configure.ac: NetBSD provides SSP in its C library.
4581 * configure: Updated.
4583 2016-01-27 Richard Biener <rguenther@suse.de>
4585 PR tree-optimization/69166
4586 * tree-vect-loop.c (vect_is_simple_reduction): Always check
4587 reduction code for commutativity / associativity.
4589 2016-01-27 Martin Jambor <mjambor@suse.cz>
4591 PR tree-optimization/69355
4592 * tree-sra.c (analyze_access_subtree): Correct hole detection when
4593 total_scalarization fails.
4595 2016-01-27 David Edelsohn <dje.gcc@gmail.com>
4597 * config/rs6000/driver-rs6000.c (detect_processor_aix): Add
4598 power9.
4600 2016-01-27 Christian Bruel <christian.bruel@st.com>
4602 PR target/69245
4603 * config/arm/arm-c.c (arm_pragma_target_parse): Add comments.
4604 Move arm_reset_previous_fndecl and set_target_option_current_node in
4605 the conditional part. Call save_restore_target_globals.
4606 * config/arm/arm.c (arm_set_current_function):
4607 Refactor to better support #pragma target and attribute mix.
4608 Call save_restore_target_globals.
4609 * config/arm/arm-protos.h (save_restore_target_globals): New function.
4611 2016-01-27 Martin Liska <mliska@suse.cz>
4613 * hsa.c (hsa_summary_t::link_functions): Create IPA_REF_ADDR
4614 reference for an HSA kernel and its host function.
4616 2016-01-27 Jakub Jelinek <jakub@redhat.com>
4618 PR tree-optimization/69399
4619 * wide-int.h (wi::lrshift): For larger precisions, only
4620 use fast path if shift is known to be < HOST_BITS_PER_WIDE_INT.
4622 2016-01-27 Claudiu Zissulescu <claziss@synopsys.com>
4624 * config/arc/predicates.md (proper_comparison_operator): Reject
4625 constant-constant comparison.
4627 2016-01-26 Tom de Vries <tom@codesourcery.com>
4629 PR tree-optimization/69110
4630 * tree-data-ref.c (initialize_data_dependence_relation): Handle
4631 DR_NUM_DIMENSIONS == 0.
4633 2016-01-26 Abderrazek Zaafrani <a.zaafrani@samsung.com>
4634 Sebastian Pop <s.pop@samsung.com>
4636 * graphite-isl-ast-to-gimple.c (ternary_op_to_tree): Handle
4637 isl_ast_op_cond and isl_ast_op_select.
4638 (gcc_expression_from_isl_expr_op): Same.
4640 2016-01-26 Jason Merrill <jason@redhat.com>
4642 PR c++/68782
4643 * tree.c (recompute_constructor_flags): Split out from
4644 build_constructor.
4645 (verify_constructor_flags): New.
4646 * tree.h: Declare them.
4648 2016-01-26 Iain Buclaw <ibuclaw@gdcproject.org>
4650 PR rtl-optimization/69217
4651 * var-tracking.c (tracked_record_parameter_p): Don't segfault if there
4652 are no TYPE_FIELDS set for the record type.
4654 2016-01-26 Jakub Jelinek <jakub@redhat.com>
4656 PR target/68662
4657 * config/rs6000/rs6000.c (rs6000_option_override_internal): Initialize
4658 toc_label_name unconditionally.
4659 (rs6000_emit_load_toc_table): Call ggc_strdup on toc_label_name for
4660 SYMBOL_REF string. Use toc_label_name instead of constructing
4661 LCTOC1.
4662 (rs6000_elf_declare_function_name): Use toc_label_name instead of
4663 constructing LCTOC1.
4665 2016-01-26 Martin Sebor <msebor@redhat.com>
4667 PR other/69477
4668 * doc/extend.texi (Common Type Attributes): Move text that talks about
4669 attribute packed from attribute aligned to the section discussing
4670 the former attribute for clarity.
4672 2016-01-26 Richard Henderson <rth@redhat.com>
4674 PR middle-end/60908
4675 * trans-mem.c (tm_region_init): Mark entry block as visited.
4677 2016-01-26 David Malcolm <dmalcolm@redhat.com>
4679 PR other/69006
4680 * diagnostic-show-locus.c (layout::print_source_line): Replace
4681 call to pp_newline with call to layout::print_newline.
4682 (layout::print_annotation_line): Likewise.
4683 (layout::move_to_column): Likewise.
4684 (layout::print_any_fixits): After printing any fixits, print a
4685 trailing newline, if necessary.
4686 (layout::print_newline): New method, resetting any colorization
4687 before a newline.
4688 (diagnostic_show_locus): Move the pp_newline to before the
4689 early bailout. Remove dummy block enclosing the layout instance.
4690 * diagnostic.c (default_diagnostic_finalizer): Replace invocation
4691 of pp_newline_and_flush with pp_flush.
4692 (diagnostic_append_note): Delete use of pp_newline.
4693 (diagnostic_append_note_at_rich_loc): Delete.
4694 * diagnostic.h (diagnostic_append_note_at_rich_loc): Delete.
4695 * pretty-print.h (output_buffer_append_r): Reset buff->line_length
4696 when newline characters are added to the buffer.
4698 2016-01-26 Michael Matz <matz@suse.de>
4700 * configure.ac (ac_cv_std_swap_in_utility): New test.
4701 * system.h (<algorithm>): Check HAVE_SWAP_IN_UTILITY as well.
4702 * configure: Regenerate.
4703 * config.in: Regenerate.
4705 2016-01-26 Claudiu Zissulescu <claziss@synopsys.com>
4707 * config/arc/arc.md (cstoresi4): Force operand into register.
4708 (arcset<code>): Fix predicate.
4709 (arcsetltu): Likewise.
4710 (arcsetgeu): Likewise.
4711 (arcsethi): Likewise.
4712 (arcsetls): Likewise.
4714 2016-01-26 Jakub Jelinek <jakub@redhat.com>
4716 PR tree-optimization/69483
4717 * gimple-fold.c (canonicalize_constructor_val): Return NULL
4718 if base has error_mark_node type.
4720 2016-01-26 Christophe Lyon <christophe.lyon@linaro.org>
4722 PR target/68620
4723 * config/arm/arm.c (neon_valid_immediate): Handle FP16 vectors.
4724 * config/arm/arm_neon.h (__ARM_NUM_LANES, __arm_lane, arm_lanq):
4725 New helper macros.
4726 (vget_lane_f16): Handle big-endian.
4727 (vgetq_lane_f16): Likewise.
4728 (vset_lane_f16): Likewise.
4729 (vsetq_lane_f16): Likewise.
4730 * config/arm/iterators.md (VQXMOV): Add V8HF.
4731 (VDQ): Add V4HF and V8HF.
4732 (V_reg): Handle V4HF and V8HF.
4733 (Is_float_mode): Likewise.
4734 * config/arm/neon.md (movv4hf, movv8hf, neon_vdup_nv4hf,
4735 neon_vdup_nv8hf): New patterns.
4736 (vec_set<mode>_internal, vec_extract<mode>, neon_vld1_dup<mode>):
4737 Use VD_LANE iterator.
4738 (neon_vld1_dup<mode>): Use VQ2 iterator.
4740 2016-01-26 Nathan Sidwell <nathan@acm.org>
4742 * omp-low.h (oacc_fn_attrib_kernels_p): Declare.
4743 (set_oacc_fn_attrib): Add IS_KERNEL arg.
4744 * omp-low.c (set_oacc_fn_attrib): Add IS_KERNEL arg.
4745 (oacc_fn_attrib_kernels_p, oacc_fn_attrib_level): New.
4746 (expand_omp_target): Pass is_kernel to set_oacc_fn_attrib.
4747 (oacc_validate_dims): Add LEVEL arg, don't return level.
4748 (new_oacc_loop_routine): Use oacc_fn_attrib_level, not
4749 oacc_validate_dims.
4750 (execute_oacc_device_lower): Adjust, add more dump output.
4751 * tree-ssa-loop.c (gate_oacc_kernels): Use
4752 oacc_fn_attrib_kernels_p.
4753 * tree-parloops.c (create_parallel_loop): Adjust
4754 set_oacc_fn_attrib call.
4756 2016-01-26 Jakub Jelinek <jakub@redhat.com>
4758 PR lto/69254
4759 * lto-wrapper.c (merge_and_complain): Handle -fcilkplus.
4760 (append_compiler_options): Handle -fcilkplus.
4761 (append_linker_options): Ignore -fno-{openmp,openacc,cilkplus}.
4763 2016-01-26 Nick Clifton <nickc@redhat.com>
4765 PR target/66655
4766 * config/i386/winnt.c (i386_pe_binds_local_p): If a function has
4767 been marked as DECL_ONE_ONLY but we do not the means to make it
4768 so, then do not allow it to bind locally.
4770 2016-01-26 Jakub Jelinek <jakub@redhat.com>
4772 PR lto/69254
4773 * opts.h (parse_sanitizer_options): New prototype.
4774 * opts.c (sanitizer_opts): New array.
4775 (parse_sanitizer_options): New function.
4776 (common_handle_option): Use parse_sanitizer_options.
4778 2016-01-26 H.J. Lu <hongjiu.lu@intel.com>
4780 PR target/68986
4781 * config/i386/i386.c (ix86_compute_frame_layout): Move stack
4782 alignment adjustment to ...
4783 (ix86_update_stack_boundary): Here. Don't over-align stack for
4784 __tls_get_addr.
4785 (ix86_finalize_stack_realign_flags): Use stack_alignment_needed
4786 if __tls_get_addr is called.
4788 2016-01-26 Christian Bruel <christian.bruel@st.com>
4790 * doc/sourcebuild.texi (arm_crypto_pragma_ok): Remove.
4792 2016-01-26 Eric Botcazou <ebotcazou@adacore.com>
4794 * config/ia64/ia64.c (ia64_expand_vecint_compare): Use gen_int_mode.
4796 2016-01-26 Richard Biener <rguenther@suse.de>
4798 PR middle-end/69467
4799 * match.pd: Guard X * CST CMP 0 pattern with single_use.
4801 2016-01-26 Richard Biener <rguenther@suse.de>
4803 PR tree-optimization/69452
4804 * tree-ssa-loop-im.c (move_computations_dom_walker): Remove.
4805 (move_computations_dom_walker::before_dom_children): Rename
4806 to ...
4807 (move_computations_worker): This.
4808 (move_computations): Perform an RPO rather than a DOM walk.
4810 2016-01-26 Jakub Jelinek <jakub@redhat.com>
4812 PR target/69442
4813 * combine.c (combine_instructions): For REG_EQUAL note with
4814 SET_DEST being ZERO_EXTRACT, also temporarily set SET_DEST
4815 to the underlying register.
4816 * doc/rtl.texi (REG_EQUAL): Document the behavior of
4817 REG_EQUAL/REG_EQUIV notes if SET_DEST is ZERO_EXTRACT.
4819 2016-01-26 Roger Ferrer Ibáñez <rofirrim@gmail.com>
4821 PR target/67896
4822 * config/aarch64/aarch64-builtins.c
4823 (aarch64_init_simd_builtin_types): Do not set structural
4824 equality to __Poly{8,16,64,128}_t types.
4826 2016-01-26 Richard Sandiford <richard.sandiford@arm.com>
4828 PR tree-optimization/69400
4829 * wide-int.cc (wi_pack): Take the precision as argument and
4830 perform canonicalization here rather than in the callers.
4831 Use the main loop to handle all full-width HWIs. Add a
4832 zero HWI if in_len isn't a full result.
4833 (wi::divmod_internal): Update accordingly.
4834 (wi::mul_internal): Likewise. Simplify.
4836 2016-01-25 Aditya Kumar <aditya.k7@samsung.com>
4837 Sebastian Pop <s.pop@samsung.com>
4839 * graphite-poly.c (apply_poly_transforms): Simplify.
4840 (print_isl_set): Use more readable format: ISL_YAML_STYLE_BLOCK.
4841 (print_isl_map): Same.
4842 (print_isl_union_map): Same.
4843 (print_isl_schedule): New.
4844 (debug_isl_schedule): New.
4845 * graphite-dependences.c (scop_get_reads): Do not call
4846 isl_union_map_add_map that is undocumented isl functionality.
4847 (scop_get_must_writes): Same.
4848 (scop_get_may_writes): Same.
4849 (scop_get_original_schedule): Remove.
4850 (scop_get_dependences): Do not call isl_union_map_compute_flow that
4851 is deprecated in isl 0.15. Instead, use isl_union_access_* interface.
4852 (compute_deps): Remove.
4853 * graphite-isl-ast-to-gimple.c (print_schedule_ast): New.
4854 (debug_schedule_ast): New.
4855 (translate_isl_ast_to_gimple::scop_to_isl_ast): Call
4856 set_separate_option.
4857 (graphite_regenerate_ast_isl): Add dump.
4858 (translate_isl_ast_to_gimple::scop_to_isl_ast): Generate code
4859 from scop->transformed_schedule.
4860 (graphite_regenerate_ast_isl): Add more dump.
4861 * graphite-optimize-isl.c (optimize_isl): Set
4862 scop->transformed_schedule. Check whether schedules are equal.
4863 (apply_poly_transforms): Move here.
4864 * graphite-poly.c (apply_poly_transforms): ... from here.
4865 (free_poly_bb): Static.
4866 (free_scop): Static.
4867 (pbb_number_of_iterations_at_time): Remove.
4868 (print_isl_ast): New.
4869 (debug_isl_ast): New.
4870 (debug_scop_pbb): New.
4871 * graphite-scop-detection.c (print_edge): Move.
4872 (print_sese): Move.
4873 * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Remove.
4874 (build_scop_scattering): Remove.
4875 (create_pw_aff_from_tree): Assert instead of bailing out.
4876 (add_condition_to_pbb): Remove unused code, do not fail.
4877 (add_conditions_to_domain): Same.
4878 (add_conditions_to_constraints): Remove.
4879 (build_scop_context): New.
4880 (add_iter_domain_dimension): New.
4881 (build_iteration_domains): Initialize pbb->iterators.
4882 Call add_conditions_to_domain.
4883 (nested_in): New.
4884 (loop_at): New.
4885 (index_outermost_in_loop): New.
4886 (index_pbb_in_loop): New.
4887 (outermost_pbb_in): New.
4888 (add_in_sequence): New.
4889 (add_outer_projection): New.
4890 (outer_projection_mupa): New.
4891 (add_loop_schedule): New.
4892 (build_schedule_pbb): New.
4893 (build_schedule_loop): New.
4894 (embed_in_surrounding_loops): New.
4895 (build_schedule_loop_nest): New.
4896 (build_original_schedule): New.
4897 (build_poly_scop): Call build_original_schedule.
4898 * graphite.h: Declare print_isl_schedule and debug_isl_schedule.
4899 (free_poly_dr): Remove.
4900 (struct poly_bb): Add iterators. Remove schedule, transformed, saved.
4901 (free_poly_bb): Remove.
4902 (debug_loop_vec): Remove.
4903 (print_isl_ast): Declare.
4904 (debug_isl_ast): Declare.
4905 (scop_do_interchange): Remove.
4906 (scop_do_strip_mine): Remove.
4907 (scop_do_block): Remove.
4908 (flatten_all_loops): Remove.
4909 (optimize_isl): Remove.
4910 (pbb_number_of_iterations_at_time): Remove.
4911 (debug_scop_pbb): Declare.
4912 (print_schedule_ast): Declare.
4913 (debug_schedule_ast): Declare.
4914 (struct scop): Remove schedule. Add original_schedule,
4915 transformed_schedule.
4916 (free_gimple_poly_bb): Remove.
4917 (print_generated_program): Remove.
4918 (debug_generated_program): Remove.
4919 (unify_scattering_dimensions): Remove.
4920 * sese.c (print_edge): ... here.
4921 (print_sese): ... here.
4922 (debug_edge): ... here.
4923 (debug_sese): ... here.
4924 * sese.h (print_edge): Declare.
4925 (print_sese): Declare.
4926 (dump_edge): Declare.
4927 (dump_sese): Declare.
4929 2016-01-25 Aditya Kumar <aditya.k7@samsung.com>
4930 Sebastian Pop <s.pop@samsung.com>
4932 * Makefile.in: Set ISLVER in site.exp.
4934 2016-01-25 Jakub Jelinek <jakub@redhat.com>
4936 * omp-low.c (lower_omp_target) <case USE_DEVICE_PTR>: Set
4937 DECL_VALUE_EXPR of new_var even for the non-array case. Look
4938 through DECL_VALUE_EXPR for expansion.
4940 2016-01-25 Bernd Edlinger <bernd.edlinger@hotmail.de>
4942 * config/mips/mips.c (mips_compute_frame_info): Skip re-computing
4943 the frame info after reload completed.
4945 2016-01-25 Jeff Law <law@redhat.com>
4947 PR tree-optimization/69196
4948 PR tree-optimization/68398
4949 * tree-ssa-threadupdate.h (enum bb_dom_status): Moved here from
4950 tree-ssa-threadupdate.c.
4951 (determine_bb_domination_status): Prototype
4952 * tree-ssa-threadupdate.c (enum bb_dom_status): Remove
4953 (determine_bb_domination_status): No longer static.
4954 (valid_jump_thread_path): Remove code to detect characteristics
4955 of the jump thread path not associated with correctness.
4956 * tree-ssa-threadbackward.c (fsm_find_control_statment_thread_paths):
4957 Correct test for thread path length. Count PHIs for real operands as
4958 statements that need to be copied. Do not count ASSERT_EXPRs.
4959 Look at all the blocks in the thread path. Compute and selectively
4960 filter thread paths based on threading through the latch, threading
4961 a multiway branch or crossing a multiway branch.
4963 2016-01-25 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
4965 * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled): Add
4966 decl with __attribute__ ((unused)) annotation.
4968 2016-01-25 Ilya Enkovich <enkovich.gnu@gmail.com>
4970 PR target/69421
4971 * tree-vect-stmts.c (vectorizable_condition): Check vectype
4972 of operands is compatible with a statement vectype.
4974 2016-01-25 Eric Botcazou <ebotcazou@adacore.com>
4976 * doc/extend.texi (scalar_storage_order type attribute): Fix typo and
4977 improve wording for mixed storage order support.
4979 2016-01-25 Bilyan Borisov <bilyan.borisov@arm.com>
4981 * config/aarch64/arm_neon.h (vcvt_s64_f64): New intrinsic.
4982 (vcvt_u64_f64): Likewise.
4983 (vcvta_s64_f64): Likewise.
4984 (vcvta_u64_f64): Likewise.
4985 (vcvtm_s64_f64): Likewise.
4986 (vcvtm_u64_f64): Likewise.
4987 (vcvtn_s64_f64): Likewise.
4988 (vcvtn_u64_f64): Likewise.
4989 (vcvtp_s64_f64): Likewise.
4990 (vcvtp_u64_f64): Likewise.
4992 2016-01-25 Claudiu Zissulescu <claziss@synopsys.com>
4994 * config/arc/arc.c (TARGET_DWARF_REGISTER_SPAN): Define.
4995 (arc_init): Check validity mll64 option.
4996 (arc_save_restore): Use double load/store instruction.
4997 (arc_expand_movmem): Likewise.
4998 (arc_split_move): Don't split if we have double load/store
4999 instructions. Returns a boolean.
5000 (arc_process_double_reg_moves): Change function to return boolean
5001 instead of a sequence of instructions.
5002 (arc_dwarf_register_span): New function.
5003 * config/arc/arc-protos.h (arc_split_move): Change prototype.
5004 * config/arc/arc.h (TARGET_CPU_CPP_BUILTINS): Define __ARC_LL64__.
5005 * config/arc/arc.md (*movdi_insn): Emit ldd/std instructions.
5006 (*movdf_insn): Likewise.
5007 * config/arc/arc.opt (mll64): New option.
5008 * config/arc/predicates.md (even_register_operand): New predicate.
5009 * doc/invoke.texi (ARC Options): Add mll64 documentation.
5011 2016-01-25 Richard Biener <rguenther@suse.de>
5013 PR lto/69393
5014 * dwarf2out.c (is_naming_typedef_decl): Not when DECL_NAMELESS.
5015 * tree-streamer-out.c (pack_ts_base_value_fields): Stream
5016 DECL_NAMELESS.
5017 * tree-streamer-in.c (unpack_ts_base_value_fields): Likewise.
5019 2016-01-25 Richard Biener <rguenther@suse.de>
5021 PR tree-optimization/69376
5022 * tree-ssa-sccvn.h (struct vn_ssa_aux): Add range_info_anti_range_p
5023 flag.
5024 (VN_INFO_ANTI_RANGE_P): New inline.
5025 (VN_INFO_RANGE_TYPE): Likewise.
5026 * tree-ssa-sccvn.c (set_ssa_val_to): Also record and copy
5027 SSA_NAME_ANTI_RANGE_P.
5028 (free_scc_vn): Restore SSA_NAME_ANTI_RANGE_P.
5029 * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
5030 Properly query VN_INFO_RANGE_TYPE.
5032 2016-01-25 Nick Clifton <nickc@redhat.com>
5034 PR target/66655
5035 * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Remove definition.
5037 2016-01-23 Tom de Vries <tom@codesourcery.com>
5039 PR tree-optimization/69426
5040 * tree-parloops.c (eliminate_local_variables_stmt): Handle vdef of
5041 removed clobber.
5043 2016-01-23 Jakub Jelinek <jakub@redhat.com>
5045 * tree-ssanames.c (release_free_names_and_compact_live_names): Replace
5046 "the the" with "the" in the comments.
5047 * ipa-devirt.c (build_type_inheritance_graph,
5048 update_type_inheritance_graph): Likewise.
5049 * tree.c (build_function_type_list_1): Likewise.
5050 * cfgloopmanip.c (scale_loop_profile): Likewise.
5051 * tree-ssa-loop-ivopts.c (get_shiftadd_cost): Likewise.
5052 * gimple-ssa-split-paths.c
5053 (find_block_to_duplicate_for_splitting_paths): Likewise.
5054 * tree-sra.c (init_subtree_with_zero, clobber_subtree): Likewise.
5055 * expr.c (convert_move): Likewise.
5056 * var-tracking.c (vt_stack_adjustments): Likewise.
5057 * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Likewise.
5058 * tree-vrp.c (test_for_singularity): Likewise.
5060 * tree-vect-stmts.c (vectorizable_condition): Build a VEC_COND_EXPR
5061 directly instead of building a temporary tree.
5063 PR bootstrap/69434
5064 * genrecog.c: Define INCLUDE_ALGORITHM before including system.h,
5065 remove <algorithm> include.
5067 2016-01-22 Jakub Jelinek <jakub@redhat.com>
5069 PR target/69432
5070 * config/i386/i386.c: Include dojump.h.
5071 (expand_small_movmem_or_setmem,
5072 expand_set_or_movmem_prologue_epilogue_by_misaligned_moves): Spelling
5073 fixes.
5074 (ix86_expand_set_or_movmem): Call do_pending_stack_adjust () early
5075 if dynamic_check != -1.
5077 2016-01-21 Jeff Law <law@redhat.com>
5079 PR middle-end/69347
5080 * tree-ssa-dom.c (back_propagate_equivalences): Factored out of
5081 record_temporary_equivalences. Rewritten to avoid unnecessary calls
5082 into dominated_by_p.
5083 (cprop_into_successor_phis): Avoid unnecessary tests.
5085 2016-01-22 Richard Henderson <rth@redhat.com>
5087 PR target/69416
5088 * config/aarch64/aarch64.md (UNSPEC_NZCV): New.
5089 (ccmp<mode>, fccmp<mode>, fccmpe<mode>): Use it.
5091 2016-01-22 Michael Matz <matz@suse.de>
5093 * system.h (string, algorithm): Include only conditionally.
5094 (new): Include always under C++.
5095 * bb-reorder.c (toplevel): Define INCLUDE_ALGORITHM.
5096 * final.c (toplevel): Ditto.
5097 * ipa-chkp.c (toplevel): Define INCLUDE_STRING.
5098 * genconditions.c (write_header): Make gencondmd.c define
5099 INCLUDE_STRING.
5100 * mem-stats.h (mem_usage::print_dash_line): Don't use std::string.
5102 * config/aarch64/aarch64.c (toplevel): Define INCLUDE_STRING.
5103 * common/config/aarch64/aarch64-common.c (toplevel): Ditto.
5105 2016-01-22 Christian Bruel <christian.bruel@st.com>
5107 PR target/68674
5108 * expr.c (expand_expr_real_1): Reset DECL_MODE if VECTOR_TYPE_P changed.
5110 2016-01-22 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
5112 PR target/69403
5113 * config/arm/thumb2.md (*thumb2_ior_scc_strict_it): Convert to
5114 define_insn_and_split. Ensure operands[1] and operands[0] do not
5115 get assigned the same register.
5117 2016-01-22 Kugan Vivekanandarajah <kuganv@linaro.org>
5119 * ipa-prop.c (ipa_set_jf_constant): Remove redundant unshare_expr.
5121 2016-01-22 Christian Bruel <christian.bruel@st.com>
5123 * config/arm/arm-c.c (arm_pragma_target_parse):
5124 Remove warn_builtin_macro_redefined overwrite.
5126 2016-01-22 Eric Botcazou <ebotcazou@adacore.com>
5128 * ipa-inline.c (can_inline_edge_p): Back out overzealous check on
5129 flag_non_call_exceptions compatibility.
5131 2016-01-22 Jakub Jelinek <jakub@redhat.com>
5133 PR debug/66668
5134 * dwarf2out.c (add_child_die_after): New function.
5135 (dwarf_qual_info_t): New type.
5136 (dwarf_qual_info): New variable.
5137 (qualified_die_p): New function.
5138 (modified_type_die): For -fdebug-types-section, ensure
5139 canonical order of qualifiers. Put qualified DIEs adjacent
5140 to the corresponding non-qualified type DIE and search there
5141 for existing qualified DIEs.
5143 2016-01-22 Eric Botcazou <ebotcazou@adacore.com>
5145 * doc/extend.texi (scalar_storage_order type attribute): Document
5146 restriction on type punning and aliasing, and remove future tense.
5148 2016-01-21 Roman Zhuykov <zhroma@ispras.ru>
5150 PR target/69252
5151 * modulo-sched.c (optimize_sc): Allow branch-scheduling to add a new
5152 first stage.
5154 2016-01-21 Jeff Law <law@redhat.com>
5156 PR middle-end/69347
5157 * tree-ssa-dom.c (dom_opt_dom_walker::thread_across_edge): Avoid
5158 useless call to record_temporary_equivalences.
5159 * tree-ssa-threadbackward.c (find_jump_threads_backwards): Just
5160 allocate 10 slots in the bb_path vector and let it grow as needed.
5161 (fsm_find_control_statement_thread_paths): Similarly for the next_path
5162 vector.
5164 2016-01-21 David Edelsohn <dje.gcc@gmail.com>
5166 * configure.ac (gcc_cv_as_powerpc_mfcrf, gcc_cv_as_machine_directive):
5167 Detangle.
5168 * configure: Regenerate.
5170 2016-01-21 Pat Haugen <pthaugen@us.ibm.com>
5172 * config/rs6000/aix71.h (ASM_CPU_SPEC): Add entry for Power9.
5173 * config/rs6000/driver-rs6000.c (struct asm_names): Likewise.
5175 2016-01-21 Bernd Schmidt <bschmidt@redhat.com>
5177 PR middle-end/66178
5178 * expr.c (expand_expr_real_2) [PLUS_EXPR, MINUS_EXPR]: Don't
5179 drop EXPAND_INITIALIZER.
5180 * rtl.h (contains_symbolic_reference_p): Declare.
5181 * rtlanal.c (contains_symbolic_reference_p): New function.
5182 * simplify-rtx.c (simplify_binary_operation_1): Don't turn
5183 a subtraction into a NOT if symbolic constants are involved.
5185 2016-01-21 Anton Blanchard <anton@samba.org>
5186 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
5188 PR target/63354
5189 * config/rs6000/linux64.h (TARGET_KEEP_LEAF_WHEN_PROFILED): New
5190 #define.
5191 * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled): New
5192 function.
5194 2016-01-21 Ajit Agarwal <ajitkum@xilinx.com>
5196 * config/microblaze/microblaze.c
5197 (get_branch_target): New.
5198 (insert_wic_for_ilb_runout): New.
5199 (insert_wic): New.
5200 (microblaze_machine_dependent_reorg): New.
5201 (TARGET_MACHINE_DEPENDENT_REORG): Define macro.
5202 * config/microblaze/microblaze.md
5203 (UNSPEC_IPREFETCH): Define.
5204 (iprefetch): New pattern
5205 * config/microblaze/microblaze.opt
5206 (mxl-prefetch): New flag.
5208 2016-01-21 Ajit Agarwal <ajitkum@xilinx.com>
5210 * config/microblaze/microblaze.h
5211 (FIXED_REGISTERS): Update in macro.
5212 (CALL_USED_REGISTERS): Update in macro.
5214 2016-01-21 Yuri Rumyantsev <ysrumyan@gmail.com>
5216 PR rtl-optimization/68920
5217 * ifcvt.c (cond_move_process_if_block): Limit number of conditional
5218 moves.
5220 2016-01-21 Vladimir Makarov <vmakarov@redhat.com>
5222 PR rtl-optimization/68990
5223 * lra-coalesce.c (lra_coalesce): Invalidate value for the result
5224 pseudo instead of inheritance ones.
5226 2016-01-21 Bernd Edlinger <bernd.edlinger@hotmail.de>
5227 Nick Clifton <nickc@redhat.com>
5229 PR target/69129
5230 PR target/69012
5231 * config/mips/mips.c (mips_compute_frame_info): Initialise
5232 args_size and hard_frame_pointer_offset fields of the frame
5233 structure before calling mips_global_pointer.
5235 2016-01-21 David Edelsohn <dje.gcc@gmail.com>
5237 * configure.ac (gcc_cv_as_dwloc): Test support for debug frame section
5238 label reference.
5239 * configure: Regenerate.
5241 2016-01-21 Richard Biener <rguenther@suse.de>
5243 * graphite-optimize-isl.c (get_schedule_map): Fix typo.
5245 2016-01-21 Marcin Kościelnicki <koriakin@0x04.net>
5247 * config/s390/s390.c (s390_asm_declare_function_size): Add code
5248 to actually emit the .size directive.
5250 2016-01-21 Stefan Sørensen <stefan.sorensen@spectralink.com>
5251 Jakub Jelinek <jakub@redhat.com>
5253 PR target/69187
5254 PR target/65624
5255 * config/arm/arm-builtins.c (arm_expand_neon_builtin): Increase
5256 args array size by one to avoid buffer overflow.
5258 2016-01-21 Marcin Kościelnicki <koriakin@0x04.net>
5260 * config/s390/s390.md (pool_section_start): Use switch_to_section
5261 to select proper read-only data section instead of hardcoding
5262 .rodata.
5263 (pool_section_end): Use switch_to_section to match the above.
5265 2016-01-21 Richard Biener <rguenther@suse.de>
5267 PR tree-optimization/69378
5268 * tree-ssa-sccvn.c (dominated_by_p_w_unex): New function.
5269 (set_ssa_val_to): Use it for dominance checks taking into
5270 account not executable edges.
5272 2016-01-21 Jakub Jelinek <jakub@redhat.com>
5274 PR c++/69355
5275 * tree-dfa.c (get_ref_base_and_extent): Use GET_MODE_BITSIZE (mode)
5276 for bitsize instead of GET_MODE_PRECISION (mode).
5278 2016-01-20 Martin Sebor <msebor@redhat.com>
5280 PR c/52291
5281 * extend.texi (__sync Builtins): Clarify the semantics of
5282 __sync_fetch_and_OP built-ins on pointers.
5283 (__atomic Builtins): Same.
5285 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
5286 Sebastian Pop <s.pop@samsung.com>
5288 * graphite-isl-ast-to-gimple.c (enum phi_node_kind): New.
5289 (class translate_isl_ast_to_gimple): Use phi_node_kind instead of bool.
5290 (is_valid_rename): Same.
5291 (translate_isl_ast_to_gimple::get_rename): Same.
5292 (translate_isl_ast_to_gimple::rename_all_uses): Same.
5293 (translate_isl_ast_to_gimple::rename_uses): Same.
5294 (get_new_name): Check for close_phi nodes.
5295 (copy_loop_phi_args): Use phi_node_kind.
5296 (translate_isl_ast_to_gimple::copy_loop_close_phi_args): Same.
5297 (translate_isl_ast_to_gimple::copy_cond_phi_args): Same.
5299 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
5300 Sebastian Pop <s.pop@samsung.com>
5302 Revert commit r229783.
5303 * graphite-isl-ast-to-gimple.c (gcc_expression_from_isl_ast_expr_id):
5304 Remove use of parameter_rename_map.
5305 (copy_def): Remove.
5306 (copy_internal_parameters): Remove.
5307 (graphite_regenerate_ast_isl): Remove call to copy_internal_parameters.
5308 * sese.c (new_sese_info): Do not initialize parameter_rename_map.
5309 (free_sese_info): Do not free parameter_rename_map.
5310 (set_rename): Do not use parameter_rename_map.
5311 (rename_uses): Update call to set_rename.
5312 (graphite_copy_stmts_from_block): Do not use parameter_rename_map.
5313 * sese.h (parameter_rename_map_t): Remove.
5314 (struct sese_info_t): Remove field parameter_rename_map.
5316 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
5317 Sebastian Pop <s.pop@samsung.com>
5319 * graphite-isl-ast-to-gimple.c: Fix comment.
5320 * graphite-scop-detection.c (defined_in_loop_p): New.
5321 (canonicalize_loop_closed_ssa): Do not add close phi nodes for SSA
5322 names defined in loop.
5324 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
5325 Sebastian Pop <s.pop@samsung.com>
5327 * graphite-scop-detection.c (scop_detection::harmful_loop_in_region):
5328 Discard unstructured if-then-else regions.
5330 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
5331 Sebastian Pop <s.pop@samsung.com>
5333 * graphite-sese-to-poly.c (set_scop_parameter_dim): Remove.
5334 (cleanup_loop_iter_dom): Remove.
5335 (build_loop_iteration_domains): Remove.
5336 (build_scop_context): Remove.
5337 (build_scop_iteration_domain): Remove.
5338 (add_loop_constraints): New.
5339 (build_iteration_domains): New.
5340 (build_poly_scop): Call build_iteration_domains.
5342 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
5343 Sebastian Pop <s.pop@samsung.com>
5345 * graphite-scop-detection.c
5346 (scop_detection::harmful_loop_in_region): Free dom and loops.
5347 (scop_detection::loop_body_is_valid_scop): Free bbs.
5349 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
5350 Sebastian Pop <s.pop@samsung.com>
5352 * graphite-scop-detection.c (record_loop_in_sese): New.
5353 (gather_bbs::before_dom_children): Call record_loop_in_sese.
5354 (build_scops): Remove call to build_sese_loop_nests.
5355 * sese.c (sese_record_loop): Remove.
5356 (build_sese_loop_nests): Remove.
5357 (new_sese_info): Remove region->loops.
5358 (free_sese_info): Same.
5359 * sese.h (sese_contains_loop): Same.
5360 (build_sese_loop_nests): Remove.
5361 (sese_contains_loop): Remove.
5363 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
5364 Sebastian Pop <s.pop@samsung.com>
5366 * graphite-scop-detection.c (loop_is_valid_scop): Renamed
5367 loop_is_valid_in_scop.
5368 (scop_detection::harmful_stmt_in_region): Renamed
5369 harmful_loop_in_region.
5370 Call loop_is_valid_in_scop.
5372 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
5373 Sebastian Pop <s.pop@samsung.com>
5375 * graphite-isl-ast-to-gimple.c (translate_isl_ast): Also handle
5376 isl_ast_node_mark.
5378 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
5379 Sebastian Pop <s.pop@samsung.com>
5381 * graphite-poly.c (new_poly_bb): Remove use of PBB_IS_REDUCTION.
5382 * graphite.h (struct poly_bb): Remove field is_reduction.
5383 (PBB_IS_REDUCTION): Remove.
5385 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
5386 Sebastian Pop <s.pop@samsung.com>
5388 * graphite-dependences.c (constrain_domain): Add call to isl_*_coalesce.
5389 (add_pdr_constraints): Same.
5390 (scop_get_reads): Same.
5391 (scop_get_must_writes): Same.
5392 (scop_get_may_writes): Same.
5393 (scop_get_original_schedule): Same.
5394 (extend_schedule): Same.
5395 (apply_schedule_on_deps): Same.
5396 (carries_deps): Same.
5397 (compute_deps): Same.
5398 (scop_get_dependences): Same.
5399 * graphite-isl-ast-to-gimple.c
5400 (translate_isl_ast_to_gimple::generate_isl_schedule): Same.
5401 * graphite-optimize-isl.c (get_schedule_for_band): Same.
5402 (get_schedule_for_band_list): Same.
5403 (get_schedule_map): Same.
5404 (apply_schedule_map_to_scop): Same.
5405 * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
5406 (build_loop_iteration_domains): Same.
5407 (add_condition_to_pbb): Same.
5408 (add_param_constraints): Same.
5409 (pdr_add_memory_accesses): Same.
5410 (pdr_add_data_dimensions): Same.
5412 2016-01-20 Sandra Loosemore <sandra@codesourcery.com>
5414 * doc/invoke.texi (Instrumentation Options): Clarify -mmpx linking
5415 requirements.
5417 2016-01-20 Sandra Loosemore <sandra@codesourcery.com>
5419 * common.opt (feliminate-dwarf2-dups): Replace references to
5420 "DWARF 2" with just "DWARF".
5421 * config/ia64/ia64.opt (mdwarf2-asm): Likewise.
5422 * doc/extend.texi: Likewise.
5423 * doc/cpp.texi: Likewise.
5424 * doc/invoke.texi: Likewise.
5425 (Option Summary): Add -gdwarf to list of Debugging Options.
5426 (Debugging Options): Document -gdwarf.
5427 * doc/contrib.texi: Spell "DWARF" like that.
5429 2016-01-21 Jakub Jelinek <jakub@redhat.com>
5431 * omp-low.c (expand_omp_target): Avoid -Wmaybe-uninitialized
5432 warning. Fix up formatting.
5434 PR middle-end/67653
5435 * gimplify.c (gimplify_asm_expr): Warn if it is too late to
5436 attempt to mark memory input operand addressable and
5437 call prepare_gimple_addressable in that case. Don't adjust
5438 input_location for diagnostics, use error_at instead.
5440 2016-01-20 Peter Bergner <bergner@vnet.ibm.com>
5442 * config/rs6000/ppc-auxv.h: New file.
5443 * config/rs6000/rs6000-builtin.def (cpu_init): Add new builtin.
5444 (cpu_is): Likewise.
5445 (cpu_supports): Likewise.
5446 * config/rs6000/rs6000.c: include "ppc-auxv.h".
5447 (cpu_is_info): New variable.
5448 (cpu_supports_info): Likewise.
5449 (tcb_verification_symbol): Likewise.
5450 (cpu_builtin_p): Likewise.
5451 (cpu_expand_builtin): New function.
5452 (rs6000_expand_ternop_builtin): Add support for CPU builtin functions.
5453 (rs6000_init_builtins): Likewise.
5454 (rs6000_elf_file_end): Emit HWCAP in TCB verification symbol.
5455 * config/rs6000/rs6000.h (TLS_REGNUM): New define.
5456 * configure.ac (gcc_cv_libc_provides_hwcap_in_tcb): New test.
5457 * configure: Regenerate.
5458 * config.in: Likewise.
5459 * doc/extend.texi (PowerPC Built-in Functions): Document
5460 __builtin_cpu_init, __builtin_cpu_is and __builtin_cpu_supports.
5462 2016-01-20 David Edelsohn <dje.gcc@gmail.com>
5464 PR target/68609
5465 * config/rs6000/rs6000.c (rs6000_emit_swsqrt): Add vector sqrt
5466 domain check.
5467 * config/rs6000/vector.md (sqrt<mode>2): Call rs6000_emit_swsqrt
5468 for V4SFmode.
5470 2016-01-20 Richard Henderson <rth@redhat.com>
5472 PR bootstrap/69343
5473 PR bootstrap/69339
5474 PR tree-opt/68964
5475 Revert:
5476 * tree.c (tm_define_builtin): New.
5477 (find_tm_vector_type): New.
5478 (build_tm_vector_builtins): New.
5479 (build_common_builtin_nodes): Call it.
5481 2016-01-20 Christophe Lyon <christophe.lyon@linaro.org>
5483 * doc/sourcebuild.texi (arm_crypto_pragma_ok): Document new entry.
5484 (arm_fp_ok): Likewise.
5485 (arm_fp): Likewise.
5486 (arm_crypto): Likewise.
5488 2016-01-20 Ilya Enkovich <enkovich.gnu@gmail.com>
5489 Richard Biener <rguenther@suse.de>
5491 PR tree-optimization/69328
5492 * tree-vect-stmts.c (vect_is_simple_cond): Check compared
5493 vectors have same number of elements.
5494 (vectorizable_condition): Fix masked version recognition.
5496 2016-01-20 Richard Biener <rguenther@suse.de>
5498 PR tree-optimization/69345
5499 * tree-ssa-sccvn.h (VN_INFO_RANGE_INFO): New inline function.
5500 (VN_INFO_PTR_INFO): Likewise.
5501 * tree-ssa-sccvn.c (set_ssa_val_to): Avoid clearing points-to
5502 info when it is equal between non-dominating SSA names.
5503 * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
5504 Make sure to look at original SSA infos.
5506 2016-01-20 Jeff Law <law@redhat.com>
5508 PR target/25114
5509 * config/m68k/predicates.md (pow2_m1_operand): New predicate
5510 extracted from ...
5511 (reg_or_pow2_m1_operand): Call pow2_m1_operand.
5512 (pc_or_label_operand): New predicate.
5513 * config/m68k/m68k.md: Add new peephole2 patterns for GTU/LEU
5514 tests for small integers that are 2^n - 1.
5516 2016-01-20 Jonathan Wakely <jwakely@redhat.com>
5518 * doc/invoke.texi (Options Summary): Add '.' after @xref.
5520 2016-01-19 Jeff Law <law@redhat.com>
5522 PR middle-end/69347
5523 * tree-ssa-threadbackwards.c
5524 (fsm_find_control_statement_thread_paths): Do not try to lookup
5525 FSM paths for SSA_NAMEs appearing in abnormal PHIs.
5527 2016-01-20 Kugan Vivekanandarajah <kuganv@linaro.org>
5529 * doc/lto.texi: Remove text that says only Gold has linker plugin
5530 support.
5532 2016-01-19 Eric Botcazou <ebotcazou@adacore.com>
5534 * dwarf2out.c (need_endianity_attribute_p): New inline predicate.
5535 (base_type_die): Add REVERSE parameter and attach DW_AT_endianity to
5536 the DIE accordingly.
5537 (modified_type_die): Add REVERSE parameter and pass it recursively,
5538 as well as to base_type_die. Adjust presence check accordingly.
5539 (base_type_for_mode): Adjust call to modified_type_die.
5540 (add_type_attribute): Add REVERSE parameter and pass it to
5541 modified_type_die.
5542 (generic_parameter_die): Adjust call to add_type_attribute.
5543 (add_scalar_info): Likewise.
5544 (add_subscript_info): Likewise.
5545 (gen_array_type_die): Likewise.
5546 (gen_descr_array_type_die): Likewise.
5547 (gen_entry_point_die): Likewise.
5548 (gen_enumeration_type_die): Likewise.
5549 (gen_formal_parameter_die): Likewise.
5550 (gen_subprogram_die): Likewise.
5551 (gen_variable_die ): Likewise.
5552 (gen_const_die): Likewise.
5553 (gen_field_die): Likewise.
5554 (gen_pointer_type_die): Likewise.
5555 (gen_reference_type_die): Likewise.
5556 (gen_ptr_to_mbr_type_die): Likewise.
5557 (gen_inheritance_die): Likewise.
5558 (gen_subroutine_type_die): Likewise.
5559 (gen_typedef_die): Likewise.
5560 (force_type_die): Adjust call to modified_type_die.
5562 2016-01-19 Sandra Loosemore <sandra@codesourcery.com>
5564 * doc/standards.texi: Copy-editing for grammar, markup, and sentence
5565 flow throughout the file. Fix broken link to Objective-C 2.0
5566 documentation.
5567 * doc/invoke.texi: More copy-editing; fix numerous typos and spelling
5568 errors.
5570 2016-01-19 Wilco Dijkstra <wdijkstr@arm.com>
5572 * ccmp.c (expand_ccmp_expr_1): Avoid spurious unused warnings.
5574 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
5576 PR ipa/66223
5577 * ipa-devirt.c (is_cxa_pure_virtual_p): New function.
5578 (maybe_record_node): Record cxa_pure_virtual as the only possible
5579 target if there are not ohter candidates.
5580 (possible_polymorphic_call_target_p): Accept cxa_pure_virtual.
5582 2016-01-19 Richard Biener <rguenther@suse.de>
5584 * hsa-gen.c (get_memory_order_name): Use MEMMODEL_ constants.
5585 (get_memory_order): Likewise.
5587 2016-01-19 Kirill Yukhin <kirill.yukhin@intel.com>
5589 * tree-vect-stmts.c (vectorizable_store): Check
5590 rhs vectype.
5592 2016-01-19 David Malcolm <dmalcolm@redhat.com>
5594 PR jit/68446
5595 * gcc.c (driver::decode_argv): Add call to
5596 init_opts_obstack before init_options_struct.
5597 * opts.c (init_opts_obstack): Remove idempotency.
5598 (init_options_struct): Replace call to init_opts_obstack
5599 with a gcc_assert to verify that it has already been called.
5600 * toplev.c (toplev::main): Add call to init_opts_obstack before
5601 calls to init_options_struct.
5602 (toplev::finalize): Move cleanup of opts_obstack next to
5603 cleanup of save_decoded_options, clearing the latter, and
5604 save_decoded_options_count.
5606 2016-01-19 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
5608 PR target/69135
5609 * config/arm/vfp.md (l<vrint_pattern><su_optab><mode>si2): Set "conds"
5610 attribute to unconditional. Remove %? from output template.
5612 2015-01-19 Wilco Dijkstra <wdijkstr@arm.com>
5613 Jiong Wang <jiong.wang@arm.com>
5615 * ccmp.c (expand_ccmp_expr_1): Cost the instruction sequences
5616 generated from different expand order.
5618 2015-01-19 Wilco Dijkstra <wdijkstr@arm.com>
5620 * /config/aarch64/aarch64.c (aarch64_if_then_else_costs):
5621 Add support for CCMP costing.
5623 2015-01-19 Wilco Dijkstra <wdijkstr@arm.com>
5625 * ccmp.c (ccmp_candidate_p): Remove integer-only restriction.
5626 * config/aarch64/aarch64.md (fccmp<mode>): New pattern.
5627 (fccmpe<mode>): Likewise.
5628 (fcmp): Rename to fcmp and globalize pattern.
5629 (fcmpe): Likewise.
5630 * config/aarch64/aarch64.c (aarch64_gen_ccmp_first): Add FP support.
5631 (aarch64_gen_ccmp_next): Add FP support.
5633 2015-01-19 Wilco Dijkstra <wdijkstr@arm.com>
5635 * target.def (gen_ccmp_first): Update documentation.
5636 (gen_ccmp_next): Likewise.
5637 * doc/tm.texi (gen_ccmp_first): Update documentation.
5638 (gen_ccmp_next): Likewise.
5639 * ccmp.c (expand_ccmp_expr): Extract cmp_code from return value of
5640 expand_ccmp_expr_1. Improve comments.
5641 * config/aarch64/aarch64.md (ccmp_and): Use if_then_else for ccmp.
5642 (ccmp_ior<mode>): Remove pattern.
5643 (cmp<mode>): Remove expand.
5644 (cmp): Globalize pattern.
5645 (cstorecc4): Use cc_register.
5646 (mov<mode>cc): Remove ccmp_cc_register check.
5647 * config/aarch64/aarch64.c (aarch64_get_condition_code_1):
5648 Simplify after removal of CC_DNE/* modes.
5649 (aarch64_ccmp_mode_to_code): Remove.
5650 (aarch64_print_operand): Remove 'K' case. Merge 'm' and 'M' cases.
5651 In 'k' case use integer as condition.
5652 (aarch64_nzcv_codes): Remove inverted cases.
5653 (aarch64_code_to_ccmode): Remove.
5654 (aarch64_gen_ccmp_first): Use cmp pattern directly. Return the correct
5655 comparison with CC register to be used in folowing CCMP/branch/CSEL.
5656 (aarch64_gen_ccmp_next): Use previous comparison and mode in CCMP
5657 pattern. Return the comparison with CC register. Invert conditions
5658 when bitcode is OR.
5659 * config/aarch64/aarch64-modes.def: Remove CC_DNE/* modes.
5660 * config/aarch64/predicates.md (ccmp_cc_register): Remove.
5662 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
5664 * cgraphunit.c (cgraph_node::reset): Clear thunk info and
5665 instrumented_version.
5667 2016-01-19 Richard Biener <rguenther@suse.de>
5669 PR tree-optimization/69336
5670 * tree-ssa-scopedtables.c (avail_expr_hash): Handle all
5671 handled components with get_ref_base_and_extent.
5672 (equal_mem_array_ref_p): Adjust.
5674 2016-01-19 Jakub Jelinek <jakub@redhat.com>
5676 PR debug/65779
5677 * shrink-wrap.c: Include valtrack.h.
5678 (move_insn_for_shrink_wrap): Add DEBUG argument. If
5679 MAY_HAVE_DEBUG_INSNS, call dead_debug_add on DEBUG_INSNs
5680 in between insn and where it will be moved to. Call
5681 dead_debug_insert_temp.
5682 (prepare_shrink_wrap): Adjust caller. Call dead_debug_local_init
5683 first and dead_debug_local_finish at the end.
5684 For uses and defs bitmap, handle all regs in between REGNO and
5685 END_REGNO, not just the first one.
5687 2016-01-19 Richard Biener <rguenther@suse.de>
5689 PR tree-optimization/69352
5690 * tree-ssa-scopedtables.c (avail_expr_hash): Check for size == -1.
5691 (equal_mem_array_ref_p): Constrain size and max size properly.
5692 Compare the reverse flag.
5694 2016-01-19 Bernd Schmidt <bschmidt@redhat.com>
5696 * ira.c (ira): Update regstat data if we deleted insns.
5698 2016-01-19 Jakub Jelinek <jakub@redhat.com>
5700 PR rtl-optimization/68955
5701 PR rtl-optimization/64557
5702 * dse.c (record_store, check_mem_read_rtx): Don't call get_addr
5703 here. Fix up formatting.
5704 * alias.c (get_addr): Handle VALUE +/- CONST_SCALAR_INT_P.
5706 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
5708 PR lto/69133
5709 * cgraphunit.c (cgraph_node::expand_thunk): When forcing gimple
5710 assume that the node has body.
5711 * cgraph.c (cgraph_node::get_untransformed_body): Use gimple_body_p
5712 check.
5714 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
5716 * lto-streamer-out.c (lto_output): Do not stream instrumentation
5717 thunks.
5719 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
5721 * symtab.c (symtab_node::asm_name): Do not call printable name directly.
5722 (symtab_node::name): Report name as unnamed if DECL_NAME is not set.
5724 2016-01-19 Martin Jambor <mjambor@suse.cz>
5725 Martin Liska <mliska@suse.cz>
5726 Michael Matz <matz@suse.de>
5728 * Makefile.in (OBJS): Add new source files.
5729 (GTFILES): Add hsa.c.
5730 * common.opt (disable_hsa): New variable.
5731 (-Whsa): New warning.
5732 * config.in (ENABLE_HSA): New.
5733 * configure.ac: Treat hsa differently from other accelerators.
5734 (OFFLOAD_TARGETS): Define ENABLE_OFFLOADING according to
5735 $enable_offloading.
5736 (ENABLE_HSA): Define ENABLE_HSA according to $enable_hsa.
5737 * doc/install.texi (Configuration): Document --with-hsa-runtime,
5738 --with-hsa-runtime-include, --with-hsa-runtime-lib and
5739 --with-hsa-kmt-lib.
5740 * doc/invoke.texi (-Whsa): Document.
5741 (hsa-gen-debug-stores): Likewise.
5742 * lto-wrapper.c (compile_images_for_offload_targets): Do not attempt
5743 to invoke offload compiler for hsa acclerator.
5744 * opts.c (common_handle_option): Determine whether HSA offloading
5745 should be performed.
5746 * params.def (PARAM_HSA_GEN_DEBUG_STORES): New parameter.
5747 * builtin-types.def (BT_FN_VOID_UINT_PTR_INT_PTR): New.
5748 (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_INT_INT): Removed.
5749 (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_PTR): New.
5750 * gimple-low.c (lower_stmt): Also handle GIMPLE_OMP_GRID_BODY.
5751 * gimple-pretty-print.c (dump_gimple_omp_for): Also handle
5752 GF_OMP_FOR_KIND_GRID_LOOP.
5753 (dump_gimple_omp_block): Also handle GIMPLE_OMP_GRID_BODY.
5754 (pp_gimple_stmt_1): Likewise.
5755 * gimple-walk.c (walk_gimple_stmt): Likewise.
5756 * gimple.c (gimple_build_omp_grid_body): New function.
5757 (gimple_copy): Also handle GIMPLE_OMP_GRID_BODY.
5758 * gimple.def (GIMPLE_OMP_GRID_BODY): New.
5759 * gimple.h (enum gf_mask): Added GF_OMP_PARALLEL_GRID_PHONY,
5760 GF_OMP_FOR_KIND_GRID_LOOP, GF_OMP_FOR_GRID_PHONY and
5761 GF_OMP_TEAMS_GRID_PHONY.
5762 (gimple_statement_omp_single_layout): Updated comments.
5763 (gimple_build_omp_grid_body): New function.
5764 (gimple_has_substatements): Also handle GIMPLE_OMP_GRID_BODY.
5765 (gimple_omp_for_grid_phony): New function.
5766 (gimple_omp_for_set_grid_phony): Likewise.
5767 (gimple_omp_parallel_grid_phony): Likewise.
5768 (gimple_omp_parallel_set_grid_phony): Likewise.
5769 (gimple_omp_teams_grid_phony): Likewise.
5770 (gimple_omp_teams_set_grid_phony): Likewise.
5771 (gimple_return_set_retbnd): Also handle GIMPLE_OMP_GRID_BODY.
5772 * omp-builtins.def (BUILT_IN_GOMP_OFFLOAD_REGISTER): New.
5773 (BUILT_IN_GOMP_OFFLOAD_UNREGISTER): Likewise.
5774 (BUILT_IN_GOMP_TARGET): Updated type.
5775 * omp-low.c: Include symbol-summary.h, hsa.h and params.h.
5776 (adjust_for_condition): New function.
5777 (get_omp_for_step_from_incr): Likewise.
5778 (extract_omp_for_data): Moved parts to adjust_for_condition and
5779 get_omp_for_step_from_incr.
5780 (build_outer_var_ref): Handle GIMPLE_OMP_GRID_BODY.
5781 (fixup_child_record_type): Bail out if receiver_decl is NULL.
5782 (scan_sharing_clauses): Handle OMP_CLAUSE__GRIDDIM_.
5783 (scan_omp_parallel): Do not create child functions for phony
5784 constructs.
5785 (check_omp_nesting_restrictions): Handle GIMPLE_OMP_GRID_BODY.
5786 (scan_omp_1_op): Checking assert we are not remapping to
5787 ERROR_MARK. Also also handle GIMPLE_OMP_GRID_BODY.
5788 (parallel_needs_hsa_kernel_p): New function.
5789 (expand_parallel_call): Register apprpriate parallel child
5790 functions as HSA kernels.
5791 (grid_launch_attributes_trees): New type.
5792 (grid_attr_trees): New variable.
5793 (grid_create_kernel_launch_attr_types): New function.
5794 (grid_insert_store_range_dim): Likewise.
5795 (grid_get_kernel_launch_attributes): Likewise.
5796 (get_target_argument_identifier_1): Likewise.
5797 (get_target_argument_identifier): Likewise.
5798 (get_target_argument_value): Likewise.
5799 (push_target_argument_according_to_value): Likewise.
5800 (get_target_arguments): Likewise.
5801 (expand_omp_target): Call get_target_arguments instead of looking
5802 up for teams and thread limit.
5803 (grid_expand_omp_for_loop): New function.
5804 (grid_arg_decl_map): New type.
5805 (grid_remap_kernel_arg_accesses): New function.
5806 (grid_expand_target_kernel_body): New function.
5807 (expand_omp): Call it.
5808 (lower_omp_for): Do not emit phony constructs.
5809 (lower_omp_taskreg): Do not emit phony constructs but create for them
5810 a temporary variable receiver_decl.
5811 (lower_omp_taskreg): Do not emit phony constructs.
5812 (lower_omp_teams): Likewise.
5813 (lower_omp_grid_body): New function.
5814 (lower_omp_1): Call it.
5815 (grid_reg_assignment_to_local_var_p): New function.
5816 (grid_seq_only_contains_local_assignments): Likewise.
5817 (grid_find_single_omp_among_assignments_1): Likewise.
5818 (grid_find_single_omp_among_assignments): Likewise.
5819 (grid_find_ungridifiable_statement): Likewise.
5820 (grid_target_follows_gridifiable_pattern): Likewise.
5821 (grid_remap_prebody_decls): Likewise.
5822 (grid_copy_leading_local_assignments): Likewise.
5823 (grid_process_kernel_body_copy): Likewise.
5824 (grid_attempt_target_gridification): Likewise.
5825 (grid_gridify_all_targets_stmt): Likewise.
5826 (grid_gridify_all_targets): Likewise.
5827 (execute_lower_omp): Call grid_gridify_all_targets.
5828 (make_gimple_omp_edges): Handle GIMPLE_OMP_GRID_BODY.
5829 * tree-core.h (omp_clause_code): Added OMP_CLAUSE__GRIDDIM_.
5830 (tree_omp_clause): Added union field dimension.
5831 * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE__GRIDDIM_.
5832 * tree.c (omp_clause_num_ops): Added number of arguments of
5833 OMP_CLAUSE__GRIDDIM_.
5834 (omp_clause_code_name): Added name of OMP_CLAUSE__GRIDDIM_.
5835 (walk_tree_1): Handle OMP_CLAUSE__GRIDDIM_.
5836 * tree.h (OMP_CLAUSE_GRIDDIM_DIMENSION): New.
5837 (OMP_CLAUSE_SET_GRIDDIM_DIMENSION): Likewise.
5838 (OMP_CLAUSE_GRIDDIM_SIZE): Likewise.
5839 (OMP_CLAUSE_GRIDDIM_GROUP): Likewise.
5840 * passes.def: Schedule pass_ipa_hsa and pass_gen_hsail.
5841 * tree-pass.h (make_pass_gen_hsail): Declare.
5842 (make_pass_ipa_hsa): Likewise.
5843 * ipa-hsa.c: New file.
5844 * lto-section-in.c (lto_section_name): Add hsa section name.
5845 * lto-streamer.h (lto_section_type): Add hsa section.
5846 * timevar.def (TV_IPA_HSA): New.
5847 * hsa-brig-format.h: New file.
5848 * hsa-brig.c: New file.
5849 * hsa-dump.c: Likewise.
5850 * hsa-gen.c: Likewise.
5851 * hsa.c: Likewise.
5852 * hsa.h: Likewise.
5853 * toplev.c (compile_file): Call hsa_output_brig.
5854 * hsa-regalloc.c: New file.
5856 2016-01-18 Jeff Law <law@redhat.com>
5858 PR tree-optimization/69320
5859 * tree-ssa-dom.c (record_edge_info): For comparisons against a boolean
5860 ranged object, do nothing if the RHS constant is not [0..1].
5861 (optimize_stmt): Comparing a boolean ranged object against a
5862 constant outside [0..1] results in a compile-time constant.
5864 * tree-ssanames.c (ssa_name_has_boolean_range): Remove unnecessary
5865 test.
5867 2016-01-18 Sandra Loosemore <sandra@codesourcery.com>
5869 * doc/invoke.texi (Invoking GCC): Add new section to menu.
5870 (Option Summary): Update to reflect new section and moved options.
5871 (C++ Dialect Options): Move -fstats to new section.
5872 (Debugging Options): Move all dump, statistics, and other GCC
5873 developer options to new section. Rewrite section introduction
5874 and re-order remaining options to put the more basic ones first.
5875 (Optimization Options): Move -fira-verbose and -flto-report* to
5876 new section.
5877 (Developer Options): New section incorporating moved options.
5878 * doc/cppopts.texi (-dM): Update cross-reference.
5880 2016-01-18 Richard Henderson <rth@redhat.com>
5882 PR target/69176
5883 * config/aarch64/aarch64.md (add<GPI>3): Move long immediate
5884 operands to pseudo only if CSE is expected. Split long immediate
5885 operands only after reload, and for the stack pointer.
5886 (*add<GPI>3_pluslong): Remove.
5887 (*addsi3_aarch64, *adddi3_aarch64): Merge into...
5888 (*add<GPI>3_aarch64): ... here. Add r/rk/Upl alternative.
5889 (*addsi3_aarch64_uxtw): Add r/rk/Upl alternative.
5890 (*add<GPI>3 peepholes): New.
5891 (*add<GPI>3 splitters): New.
5892 * config/aarch64/constraints.md (Upl): New.
5893 * config/aarch64/predicates.md (aarch64_pluslong_strict_immedate): New.
5895 2016-01-18 Richard Biener <rguenther@suse.de>
5897 PR tree-optimization/69297
5898 * tree-vect-slp.c (vect_bb_slp_scalar_cost): Count each scalar
5899 stmt at most once.
5900 (vect_bb_vectorization_profitable_p): Clear visited flag again.
5902 2016-01-18 Yuri Rumyantsev <ysrumyan@gmail.com>
5904 PR middle-end/68542
5905 * fold-const.c (fold_binary_op_with_conditional_arg): Bail out for case
5906 of mixind vector and scalar types.
5907 (fold_relational_const): Add handling of vector
5908 comparison with boolean result.
5909 * tree-cfg.c (verify_gimple_comparison): Add argument CODE, allow
5910 comparison of vector operands with boolean result for EQ/NE only.
5911 (verify_gimple_assign_binary): Adjust call for verify_gimple_comparison.
5912 (verify_gimple_cond): Likewise.
5913 * tree-vrp.c (extract_code_and_val_from_cond_with_ops): Modify check on
5914 valid type of VAL.
5916 2016-01-18 Joseph Myers <joseph@codesourcery.com>
5918 * config/mips/mips.h (ISA_HAS_PAIRED_SINGLE): Require
5919 !TARGET_OCTEON.
5921 2016-01-18 Richard Biener <rguenther@suse.de>
5923 PR middle-end/69308
5924 * gimple.c (gimple_could_trap_p_1): Handle GIMPLE_COND.
5926 2016-01-18 Tom de Vries <tom@codesourcery.com>
5928 * passes.def: Add pass_parallelize_loops to pass_oacc_kernels.
5930 2016-01-18 Tom de Vries <tom@codesourcery.com>
5932 * omp-low.c (set_oacc_fn_attrib): Make extern.
5933 * omp-low.h (set_oacc_fn_attrib): Declare.
5934 * tree-parloops.c (struct reduction_info): Add reduc_addr field.
5935 (create_call_for_reduction_1): Handle case that reduc_addr is non-NULL.
5936 (create_parallel_loop, gen_parallel_loop, try_create_reduction_list):
5937 Add and handle function parameter oacc_kernels_p.
5938 (find_reduc_addr, get_omp_data_i_param): New function.
5939 (ref_conflicts_with_region, oacc_entry_exit_ok_1)
5940 (oacc_entry_exit_single_gang, oacc_entry_exit_ok): New function.
5941 (parallelize_loops): Add and handle function parameter oacc_kernels_p.
5942 Calculate dominance info. Skip loops that are not in a kernels region
5943 in oacc_kernels_p mode. Skip inner loops of parallelized loops.
5944 (pass_parallelize_loops::execute): Call parallelize_loops with
5945 oacc_kernels_p argument.
5946 (pass_parallelize_loops::clone, pass_parallelize_loops::set_pass_param):
5947 New member function.
5948 (pass_parallelize_loops::bool oacc_kernels_p): New member var.
5949 * passes.def: Add argument to pass_parallelize_loops instantation.
5951 2016-01-18 Tom de Vries <tom@codesourcery.com>
5953 * tree-parloops.c (pass_parallelize_loops::execute): Allow
5954 pass_parallelize_loops to be run outside the loop pipeline.
5956 2016-01-18 Alan Lawrence <alan.lawrence@arm.com>
5958 * tree-scalar-evolution.c (follow_copies_to_constant): New.
5959 (analyze_initial_condition, analyze_scalar_evolution_1): Call previous.
5961 2016-01-18 Alan Lawrence <alan.lawrence@arm.com>
5963 PR target/63679
5964 * tree-ssa-scopedtables.c (avail_expr_hash): Hash MEM_REF and ARRAY_REF
5965 using get_ref_base_and_extent.
5966 (equal_mem_array_ref_p): New.
5967 (hashable_expr_equal_p): Add call to previous.
5969 2016-01-18 Alan Lawrence <alan.lawrence@arm.com>
5971 PR target/63679
5972 * tree-sra.c (disqualified_constants, constant_decl_p): New.
5973 (sra_initialize): Allocate disqualified_constants.
5974 (sra_deinitialize): Free disqualified_constants.
5975 (disqualify_candidate): Update disqualified_constants when appropriate.
5976 (create_access): Scan for constant-pool entries as we go along.
5977 (scalarizable_type_p): Add check against type_contains_placeholder_p.
5978 (maybe_add_sra_candidate): Allow constant-pool entries.
5979 (load_assign_lhs_subreplacements): Bind debug for constant pool vars.
5980 (initialize_constant_pool_replacements): New.
5981 (sra_modify_assign): Avoid mangling assignments created by previous,
5982 and don't generate writes into constant pool.
5983 (sra_modify_function_body): Call initialize_constant_pool_replacements.
5985 2016-01-18 Ilya Enkovich <enkovich.gnu@gmail.com>
5987 * config/i386/i386.c (scalar_to_vector_candidate_p): Support
5988 andnot instruction.
5989 (scalar_chain::convert_op): Likewise.
5990 * config/i386/i386.md (*andndi3_doubleword): New.
5992 2016-01-18 Richard Biener <rguenther@suse.de>
5994 PR tree-optimization/69170
5995 * tree-vect-slp.c (vect_build_slp_tree): Verify we are not
5996 building a vector from scalar results of a pattern stmt.
5998 2016-01-18 Jakub Jelinek <jakub@redhat.com>
6000 * haifa-sched.c (autopref_multipass_init): Work around
6001 -Wmaybe-uninitialized warning.
6003 2016-01-18 Thomas Preud'homme <thomas.preudhomme@arm.com>
6005 * config/arm/arm.c (thumb1_reorg): Check that the comparison is
6006 against the constant 0.
6008 2016-01-17 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
6010 PR tree-optimization/68799
6011 * gimple-ssa-strength-reduction.c (create_phi_basis): Directly
6012 look up phi candidates in the statement-candidate map.
6013 (phi_add_costs): Likewise.
6014 (record_phi_increments): Likewise.
6015 (phi_incr_cost): Likewise.
6016 (ncd_with_phi): Likewise.
6017 (all_phi_incrs_profitable): Likewise.
6019 2016-01-17 Jakub Jelinek <jakub@redhat.com>
6021 * omp-low.c (mark_loops_in_oacc_kernels_region): Work around
6022 -Wmaybe-uninitialized warning.
6024 2016-01-16 Sandra Loosemore <sandra@codesourcery.com>
6026 * doc/invoke.texi (Invoking GCC): Add new section to menu.
6027 (Option Summary): Update to reflect new section and moved options.
6028 (C++ Dialect Options): Move -fvtable-verify and related options.
6029 (Debugging Options): Move Sanitizer, Pointer Bounds Checker,
6030 and profiling-related options.
6031 (Optimization Options): Move profile generation options and
6032 -fstack-protector and related options.
6033 (Instrumentation Options): New section incorporating moved options.
6034 (Code Generation Options): Move -finstrument-functions and
6035 related options, -fstack-check, -fstack-limit*, and -fbounds-check.
6037 2016-01-16 Tom de Vries <tom@codesourcery.com>
6039 * passes.def: Move pass_expand_omp_ssa out of pass_parallelize_loops.
6041 2016-01-16 Tom de Vries <tom@codesourcery.com>
6043 * omp-low.c (expand_omp_atomic_fetch_op): Release defs of update stmt.
6045 2016-01-16 Richard Sandiford <richard.sandiford@arm.com>
6047 * hash-table.h (hash_table::empty): Turn into an inline wrapper
6048 that checks whether the table is already empty. Rename the
6049 original implementation to...
6050 (hash_table::empty_slot): ...this new private function.
6052 2016-01-15 David Malcolm <dmalcolm@redhat.com>
6054 PR diagnostic/68899
6055 * diagnostic-show-locus.c (layout::print_source_line): Move x
6056 offset of line until after call to
6057 get_line_width_without_trailing_whitespace.
6059 2016-01-15 Jeff Law <law@redhat.com>
6061 PR tree-optimization/69270
6062 * tree-ssanames.c (ssa_name_has_boolean_range): Moved here from
6063 tree-ssa-dom.c. Improve test for [0..1] ranve from VRP.
6064 * tree-ssa-dom.c (ssa_name_has_boolean_range): Remove.
6065 * tree-ssanames.h (ssa_name_has_boolean_range): Prototype.
6066 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
6067 ssa_name_has_boolean_range and constant_boolean_node.
6069 2016-01-15 Vladimir Makarov <vmakarov@redhat.com>
6071 PR rtl-optimization/69030
6072 * lra-spills.c (remove_pseudos): Check nrefs and make the function
6073 returning bool.
6074 (spill_pseudos): Delete debug insn for dead pseudo.
6075 (lra_spill): Initiate spill_hard_reg and slots memory separately.
6077 2016-01-15 Jiong Wang <jiong.wang@arm.com>
6079 * config/aarch64/aarch64-builtins.c (aarch64_types_unopus_qualifiers):
6080 New.
6081 (TYPES_UNOPUS): Likewise.
6082 * config/aarch64/aarch64-simd-builtins.def (lbtruncuv2sf): Correct
6083 builtin type, from UNOP to UNOPUS.
6084 (lbtruncuv4sf): Likewise.
6085 (lbtruncuv2df): Likewise.
6086 (lrounduv2sf): Likewise.
6087 (lrounduv4sf): Likewise.
6088 (lrounduv2df): Likewise.
6089 (lroundusf): Likewise.
6090 (lroundusf): Likewise.
6091 (lceiluv2sf): Likewise.
6092 (lceiluv4sf): Likewise.
6093 (lceiluv2df): Likewise.
6094 (lceilusf): Likewise.
6095 (lceiludf): Likewise.
6096 (lflooruv2sf): Likewise.
6097 (lflooruv4sf): Likewise.
6098 (lflooruv2df): Likewise.
6099 (lfloorusf): Likewise.
6100 (lfloorudf): Likewise.
6101 (lfrintnuv2sf): Likewise.
6102 (lfrintnuv4sf): Likewise.
6103 (lfrintnuv2df): Likewise.
6104 (lfrintnusf): Likewise.
6105 (lfrintnudf): Likewise.
6106 * config/aarch64/arm_neon.h (vcvt_u32_f32): Remove unncessary type
6107 conversion.
6108 (vcvtq_u32_f32): Likewise.
6109 (vcvtq_u64_f64): Likewise.
6110 (vcvta_u32_f32): Likewise.
6111 (vcvtaq_u32_f32): Likewise.
6112 (vcvtaq_u64_f64): Likewise.
6113 (vcvtm_u32_f32): Likewise.
6114 (vcvtmq_u32_f32): Likewise.
6115 (vcvtmq_u64_f64): Likewise.
6116 (vcvtn_u32_f32): Likwise.
6117 (vcvtnq_u32_f32): Likewise.
6118 (vcvtnq_u64_f64): Likewise.
6119 (vcvtp_u32_f32): Likewise.
6120 (vcvtpq_u32_f32): Likewise.
6121 (vcvtpq_u64_f64): Likewise.
6122 (vcvtmd_u64_f64): Likewise.
6123 (vcvtms_u32_f32): Likewise.
6124 (vcvtad_u64_f64): Likewise.
6125 (vcvtas_u32_f32): Likewise.
6126 (vcvtnd_u64_f64): Likewise.
6127 (vcvtns_u32_f32): Likewise.
6128 (vcvtpd_u64_f64): Likewise.
6129 (vcvtps_u32_f32): Likewise.
6131 2016-01-15 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
6133 * config/aarch64/aarch64.c (aarch64_if_then_else_costs): Handle
6134 CSEL of zero_extended registers.
6136 2016-01-15 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
6138 * config/aarch64/aarch64.c (aarch64_rtx_costs, COMPARE case):
6139 Handle COMPARE of ZERO_EXTRACT against zero form of TST-immediate.
6141 2016-01-15 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
6143 * config/aarch64/aarch64.c (aarch64_process_one_target_attr): Return
6144 false when argument string is not found in the attributes table
6145 at all.
6147 2016-01-15 David Edelsohn <dje.gcc@gmail.com>
6149 PR target/68609
6150 * config/rs6000/rs6000.c (rs6000_emit_msub): Delete.
6151 (rs6000_emit_swsqrt): Convert to Goldschmidt's Algorithm
6152 * config/rs6000/rs6000.md (sqrt<mode>2): Limit swsqrt to high
6153 precision estimate.
6155 2016-01-15 Richard Biener <rguenther@suse.de>
6157 PR tree-optimization/66856
6158 * tree-vect-loop.c (vect_transform_loop): Free SLP instances here.
6159 * tree-vect-slp.c (vect_free_slp_tree): Decrement stmt reference count.
6160 (vect_create_new_slp_node): Increment stmt reference count.
6161 (vect_get_and_check_slp_defs): Make sure stmts are nor already in
6162 an SLP tree before swapping operands.
6163 (vect_build_slp_tree): Likewise.
6164 (destroy_bb_vec_info): Free stmt info after SLP instances.
6165 * tree-vect-stmts.c (new_stmt_vec_info): Initialize reference count.
6166 * tree-vectorizer.h (struct _stmt_vec_info): Add num_slp_uses field.
6167 (STMT_VINFO_NUM_SLP_USES): New macro.
6169 2016-01-15 Richard Biener <rguenther@suse.de>
6171 PR debug/69137
6172 * dwarf2out.c (add_linkage_name_raw): New function split out from ...
6173 (add_linkage_name): ... here.
6174 (gen_typedef_die): Use add_linkage_name_raw instead of
6175 add_linkage_attr to delay DECL_ASSEMBLER_NAME computation
6176 if necessary.
6178 2016-01-15 Cesar Philippidis <cesar@codesourcery.com>
6180 * gimplify.c (oacc_default_clause): Decode reference and pointer
6181 types for both kernels and parallel regions.
6183 2016-01-15 Richard Sandiford <richard.sandiford@arm.com>
6185 PR middle-end/69246
6186 * calls.c (emit_call_1): Force n_popped to zero for sibcalls.
6188 2016-01-15 Ilya Enkovich <enkovich.gnu@gmail.com>
6190 * config/i386/i386.c (scalar_chain::compute_convert_gain): Fix typo.
6191 (convert_scalars_to_vector): Likewise.
6193 2016-01-15 Jonathan Wakely <jwakely@redhat.com>
6195 * doc/extend.texi (Type Traits): Fix grammar.
6197 2016-01-15 Martin Jambor <mjambor@suse.cz>
6199 * tree-inline.c (remap_decl): Use existing dclarations if
6200 remapping a type and prevent_decl_creation_for_types.
6201 (replace_locals_stmt): Do an initial remapping of non-VLA typed
6202 decls first. Do real remapping with
6203 prevent_decl_creation_for_types set.
6204 * tree-inline.h (copy_body_data): New field
6205 prevent_decl_creation_for_types, moved remap_var_for_cilk to avoid
6206 padding.
6208 2016-01-15 Dominik Vogt <vogt@linux.vnet.ibm.com>
6210 * config/s390/s390.opt (mmvcle): More verbose help text.
6212 2016-01-15 Dominik Vogt <vogt@linux.vnet.ibm.com>
6214 * config/s390/s390.opt: Add period to -mzvector option text.
6216 2016-01-15 Richard Biener <rguenther@suse.de>
6218 PR tree-optimization/68961
6219 * tree-vect-slp.c (vect_analyze_slp_cost_1): Consider cost
6220 of invariants in stores again.
6222 2016-01-15 Sebastian Huber <sebastian.huber@embedded-brains.de>
6224 * config/arm/t-rtems: Add cortex-m7/fpv5-d16 multilib.
6226 2016-01-15 Ilya Enkovich <enkovich.gnu@gmail.com>
6228 * config/i386/i386.c (ix86_expand_branch): Don't split
6229 DI mode xor instruction to SI mode.
6231 2016-01-15 Jan Hubicka <hubicka@ucw.cz>
6233 PR ipa/68148
6234 * ipa-icf.c (sem_function::merge): Virtual functions may become
6235 reachable even if they address is not taken and there are no
6236 idrect calls.
6238 2016-01-15 Jan Hubicka <hubicka@ucw.cz>
6240 * lto-streamer-out.c (subtract_estimated_size): New function.
6241 (get_symbol_initial_value): Use it.
6243 2016-01-15 Christian Bruel <christian.bruel@st.com>
6245 PR target/65837
6246 * config/arm/arm-builtins.c (ARM_BUILTIN_CRYPTO_BASE): New enum tag.
6247 (arm_init_neon_builtins_internal): Rename arm_init_neon_builtins,
6248 (arm_init_crypto_builtins_internal): Rename arm_init_crypto_builtins.
6249 use add_builtin_function_ext_scope instead of add_builtin_function.
6250 (neon_set_p, neon_crypto_set_p): Remove.
6251 (arm_init_builtins): Always call arm_init_neon_builtins and
6252 arm_init_crypto_builtins.
6253 (arm_expand_builtin): Check that builtins are allowed for the arch.
6254 * config/arm/arm-protos.h (arm_init_neon_builtins): Remove prototype.
6255 * config/arm/arm.c (arm_valid_target_attribute_tree): Remove
6256 arm_init_neon_builtins call.
6258 2016-01-15 Richard Biener <rguenther@suse.de>
6260 PR tree-optimization/69117
6261 * tree-ssa-sccvn.h (struct vn_ssa_aux): Add info member.
6262 * tree-ssa-sccvn.c (set_ssa_val_to): Save and adjust SSA name info
6263 of the leader conservatively.
6264 (free_scc_vn): Restore original SSA name infos.
6266 2016-01-14 Jeff Law <law@redhat.com>
6268 PR tree-optimization/69270
6269 * tree-ssa-dom.c (ssa_name_has_boolean_range): If the type has a
6270 single bit of precision, verify it's also unsigned.
6271 (record_edge_info): Use constant_boolean_node rather than fold_convert
6272 to convert boolean_true/boolean_false to the right type.
6274 2016-01-14 Richard Henderson <rth@redhat.com>
6276 PR rtl-opt/69014
6277 * loop-doloop.c (record_reg_sets): New.
6278 (doloop_optimize): Reject the transform if the sequence
6279 clobbers registers live at the end of the loop block.
6280 (doloop_optimize_loops): Enable df_live if needed.
6282 2016-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
6284 * config/rs6000/rs6000-builtin.def: Revert 2016-01-13 change.
6285 * gcc/config/rs6000/rs6000.c: Likewise.
6286 * gcc/config/rs6000/rs6000.h: Likewise.
6287 * gcc/config/rs6000/rs6000.md: Likewise.
6288 * gcc/doc/extend.texi: Likewsie.
6290 2016-01-14 Jeff Law <law@redhat.com>
6292 * tree-ssa-dom.c (ssa_name_has_boolean_range): Fix comment
6293 typo.
6295 2016-01-14 Richard Henderson <rth@redhat.com>
6297 PR c/69272
6298 PR tree-opt/68964
6299 * trans-mem.c (tm_log_emit_stmt): Fix unit size to bit size.
6300 * tree.c (build_tm_vector_builtins): Use builtin_decl_explicit_p
6301 instead of builtin_decl_declared_p to test for declaration.
6303 2016-01-14 Nicklas Bo Jensen <nbjensen@gmail.com>
6305 * doc/loop.texi (Loop Analysis and Representation): Document
6306 loop_depth function.
6308 2016-01-14 Tom de Vries <tom@codesourcery.com>
6310 PR tree-optimization/68773
6311 * omp-low.c (expand_omp_target): Don't set force_output.
6312 * varpool.c (varpool_node::get_create): Same.
6313 * lto-cgraph.c (input_offload_tables): Mark entries in offload_vars and
6314 offload_funcs with force_output.
6316 2016-01-14 Jakub Jelinek <jakub@redhat.com>
6318 PR debug/69244
6319 * lra-eliminations.c (move_plus_up): Don't change anything if either
6320 the outer or inner subreg mode is not MODE_INT.
6321 * dwarf2out.c (mem_loc_descriptor): For SUBREG, if outer mode is
6322 integral <= DWARF2_ADDR_SIZE, convert to untyped afterwards.
6324 2016-01-14 Alan Lawrence <alan.lawrence@arm.com>
6326 * doc/md.texi (reduc_smin_@var{m}, reduc_smax_@var{m},
6327 reduc_umin_@var{m}, reduc_umax_@var{m}, reduc_splus_@var{m},
6328 reduc_uplus_@var{m}): Remove.
6329 * expr.c (expand_expr_real_2): Remove expansion path for
6330 reduc_[us](min|max|plus) optabs.
6331 * optabs-tree.c (scalar_reduc_to_vector): Remove.
6332 * optabs-tree.h (scalar_reduc_to_vector): Remove.
6333 * optabs.def (reduc_smax_optab, reduc_smin_optab, reduc_splus_optab,
6334 reduc_umax_optab, reduc_umin_optab, reduc_uplus_optab): Remove.
6335 * tree-vect-loop.c (vectorizable_reduction): Remove test for
6336 reduc_[us](min|max|plus) optabs.
6338 2016-01-14 Alan Lawrence <alan.lawrence@arm.com>
6340 * config/mips/mips-ps-3d.md (reduc_splus_v2sf): Remove.
6341 (reduc_plus_scal_v2sf): New.
6342 (reduc_smax_v2sf): Rename to...
6343 (reduc_smax_scal_v2sf): ...here, make result SFmode, add vec_extract.
6344 (reduc_smin_v2sf): Rename to...
6345 (reduc_smin_scal_v2sf): ...here, make result SFmode, add vec_extract.
6347 2016-01-14 Jan Hubicka <hubicka@ucw.cz>
6349 * alias.c (compare_base_symbol_refs): New function.
6350 (rtx_equal_for_memref_p, base_alias_check, memrefs_conflict_p): Use
6351 it.
6353 2016-01-14 Jakub Jelinek <jakub@redhat.com>
6355 PR middle-end/68146
6356 PR tree-optimization/69155
6357 * tree-complex.c: Include cfganal.h.
6358 (phis_to_revisit): New variable.
6359 (extract_component): Add phiarg_p argument. Assert that returned
6360 SSA_NAME has non-NULL SSA_NAME_DEF_STMT unless phiarg_p is true.
6361 (update_phi_components): Partly rewrite to use loop over real/imag
6362 components instead of code duplication. If extract_component returns
6363 SSA_NAME with NULL SSA_NAME_DEF_STMT, store SSA_NAME_VAR or
6364 create_tmp_reg into the PHI node instead, and mention the phi triplet
6365 in phis_to_revisit.
6366 (tree_lower_complex): Walk bbs in rpo order. Adjust phis recorded
6367 in phis_to_revisit at the end.
6369 2016-01-14 Richard Biener <rguenther@suse.de>
6371 PR tree-optimization/68060
6372 * tree-vect-loop.c (vect_is_simple_reduction): Check the
6373 outer loop reduction is only used in the inner loop before
6374 detecting a double reduction.
6376 2016-01-14 Jakub Jelinek <jakub@redhat.com>
6378 PR target/68269
6379 * combine.c (expand_field_assignment): Punt if compute_mode is
6380 unsupported scalar mode.
6382 2016-01-14 Richard Biener <rguenther@suse.de>
6384 PR tree-optimization/66856
6385 * tree-vect-slp.c (vect_build_slp_tree): Refactor to build
6386 SLP node only if it built successfully.
6387 (vect_analyze_slp_instance): Adjust.
6389 2016-01-14 Jeff Law <law@redhat.com>
6391 PR tree-optimization/69270
6392 * tree-ssa-dom.c (ssa_name_has_boolean_range): New function.
6393 (record_edge_info): Use it. Convert boolean_{true,false}_node
6394 to the type of op0.
6396 2016-01-13 Jan Hubicka <hubicka@ucw.cz>
6398 PR ipa/66487
6399 * ipa-polymorphic-call.c (inlined_polymorphic_ctor_dtor_block_p):
6400 use block_ultimate_origin
6401 (noncall-stmt_may_be_vtbl_ptr_store): Likewise.
6403 2016-01-13 Sandra Loosemore <sandra@codesourcery.com>
6405 * doc/invoke.texi (Submodel Options): Rename section to
6406 "Machine-Dependent Options" to better reflect its content.
6407 Rewrite introductory text to remove archaic CPU names.
6408 Update references.
6410 2016-01-13 Sandra Loosemore <sandra@codesourcery.com>
6412 * doc/invoke.texi (Code Gen Options): Move section up in file,
6413 before target-specific options. Update menu and option summary
6414 to reflect the new section ordering.
6416 2016-01-13 Jonathan Wakely <jwakely@redhat.com>
6418 * doc/invoke.texi (C Dialect Options): Adjust -std default for C++.
6419 (C++ Dialect Options): Add cross-reference to -std option.
6420 * doc/standards.texi (C++ Language): Document C++14 support.
6422 2016-01-13 Michael Meissner <meissner@linux.vnet.ibm.com>
6424 * config/rs6000/rs6000-builtin.def (BU_FLOAT128_2): Add support
6425 for pack/unpack functions for __ibm128.
6426 (PACK_IF): Likewise.
6427 (UNPACK_IF): Likewise.
6429 * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Add
6430 support for __ibm128 pack/unpack functions.
6431 (rs6000_invalid_builtin): Likewise.
6432 (rs6000_init_builtins): Likewise.
6433 (rs6000_opt_masks): Likewise.
6435 * config/rs6000/rs6000.h (MASK_FLOAT128): Add short name.
6436 (RS6000_BTM_FLOAT128): Add support for __ibm128 pack/unpack
6437 functions
6438 (RS6000_BTM_COMMON): Likewise.
6440 * config/rs6000/rs6000.md (f128_vsx): New mode attribute.
6441 (unpack<mode>): Use FMOVE128_FPR iterator instead of FMOVE128, to
6442 disallow __builtin_{pack,unpack}_longdouble if long double is IEEE
6443 128-bit floating point. Add support for the double values to be
6444 in Altivec registers for TF/IF packing and unpacking, but restrict
6445 TD packing sub-fields to be FPR registers. Don't allow overlapped
6446 register support for packing. Allow pack inputs to be memory
6447 locations. Don't build generator functions for unpack<mode>_dm
6448 and unpack<mode>_nodm.
6449 (unpack<mode>_dm): Likewise.
6450 (unpack<mode>_nodm): Likewise.
6451 (pack<mode>): Likewise.
6453 * config/rs6000/rs6000-builtin.def (__builtin_pack_ibm128): Add
6454 built-in functions to pack/unpack explicit __ibm128 values.
6455 (__builtin_unpack_ibm128): Likewise.
6457 * doc/extend.texi (PowerPC Built-in Functions): Document
6458 __builtin_pack_ibm128 and __builtin_unpack_ibm128.
6460 2016-01-13 Bernd Schmidt <bschmidt@redhat.com>
6462 PR c/66208
6463 * c-common.c (check_function_nonnull): Remove unnecessary declaration.
6464 Add new arg loc and pass it down as context.
6465 (check_nonnull_arg): Don't mark ctx arg as unused. Use it as a pointer
6466 to the location to use for the warning.
6467 (check_function_arguments): New arg loc. All callers changed. Pass
6468 it to check_function_nonnull.
6469 * c-common.h (check_function_arguments): Adjust declaration.
6471 2016-01-13 Jakub Jelinek <jakub@redhat.com>
6473 PR tree-optimization/69156
6474 * gimple.c (validate_type): Removed.
6475 (gimple_builtin_call_types_compatible_p): Use
6476 useless_type_conversion_p instead of validate_type.
6477 * value-prof.c (gimple_stringop_fixed_value): Fold
6478 icall_size to correct type.
6480 2016-01-13 Jonathan Wakely <jwakely@redhat.com>
6482 * doc/extend.texi (__atomic Builtins): Clarify compare_exchange
6483 effects.
6485 2016-01-13 Richard Henderson <rth@redhat.com>
6487 PR tree-opt/68964
6488 * target.def (builtin_tm_load, builtin_tm_store): Remove.
6489 * config/i386/i386.c (ix86_builtin_tm_load): Remove.
6490 (ix86_builtin_tm_store): Remove.
6491 (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
6492 (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
6493 * doc/tm.texi.in (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
6494 (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
6495 * doc/tm.texi: Rebuild.
6497 * gtm-builtins.def (BUILT_IN_TM_MEMCPY_RNWT): New.
6498 (BUILT_IN_TM_MEMCPY_RTWN): New.
6499 * trans-mem.c (tm_log_emit_stmt): Rearrange code for better
6500 fallback from vector to integer helpers.
6501 (build_tm_load): Handle vector types directly, instead of
6502 via target hook.
6503 (build_tm_store): Likewise.
6504 (expand_assign_tm): Prepare for register types not handled by
6505 the above. Copy them to memory and use memcpy.
6506 * tree.c (tm_define_builtin): New.
6507 (find_tm_vector_type): New.
6508 (build_tm_vector_builtins): New.
6509 (build_common_builtin_nodes): Call it.
6511 2016-01-13 Uros Bizjak <ubizjak@gmail.com>
6513 * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Return -1 for
6514 TARGET_SSE_MATH without TARGET_SSE2. Rewrite.
6516 2016-01-13 Tom de Vries <tom@codesourcery.com>
6518 PR tree-optimization/69169
6519 * tree-ssa-structalias.c (create_variable_info_for_1): Add and handle
6520 handled_struct_type param.
6521 (create_variable_info_for, intra_create_variable_infos): Call
6522 create_variable_info_for_1 with extra arg.
6524 2016-01-13 Yvan Roux <yvan.roux@linaro.org>
6526 * config/arm/arm-arches.def: Remove spurious whitespace in "armv8.1-a"
6527 and "armv8.1-a+crc" entries.
6529 2016-01-13 Alexander Fomin <alexander.fomin@intel.com>
6531 PR target/69228
6532 * config/i386/sse.md (define_expand "avx512pf_gatherpf<mode>sf"):
6533 Change first operand predicate from register_or_constm1_operand
6534 to register_operand.
6535 (define_expand "avx512pf_gatherpf<mode>df"): Likewise.
6536 (define_expand "avx512pf_scatterpf<mode>sf"): Likewise.
6537 (define_expand "avx512pf_scatterpf<mode>df"): Likewise.
6538 (define_insn "*avx512pf_gatherpf<mode>sf"): Remove.
6539 (define_insn "*avx512pf_gatherpf<mode>df"): Likewise.
6540 (define_insn "*avx512pf_scatterpf<mode>sf"): Likewise.
6541 (define_insn "*avx512pf_scatterpf<mode>df"): Likewise.
6542 * config/i386/i386.c (ix86_expand_builtin): Remove first operand
6543 comparison with constm1_rtx from vec_prefetch_gen part.
6545 2016-01-13 Richard Biener <rguenther@suse.de>
6547 PR tree-optimization/69013
6548 * tree-ssa-uninit.c (prune_uninit_phi_opnds_in_unrealizable_paths):
6549 Exchange assert for a test.
6551 2016-01-13 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
6553 PR target/69247
6554 * config/s390/s390.md (bswaphi splitter): Use simplify_gen_subreg.
6556 2016-01-13 Richard Biener <rguenther@suse.de>
6558 PR tree-optimization/69242
6559 * tree-ssa-sccvn.c (visit_reference_op_load): Replace bogus
6560 assert with a check.
6562 2016-01-13 Richard Biener <rguenther@suse.de>
6564 PR tree-optimization/69186
6565 * tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
6566 Properly guard vect_update_misalignment_for_peel call.
6568 2016-01-12 Jeff Law <law@redhat.com>
6570 PR tree-optimization/pr67755
6571 * tree-ssa-threadupdate.c (struct ssa_local_info_t): Add new field
6572 "need_profile_correction".
6573 (thread_block_1): Initialize new field to false by default. If we
6574 have multiple thread paths through a common joiner to different
6575 final targets, then set new field to true.
6576 (compute_path_counts): Only do count adjustment when it's really
6577 needed.
6579 2016-01-12 Sandra Loosemore <sandra@codesourcery.com>
6581 * doc/invoke.texi (Spec Files): Move section down in file, past
6582 all command-line option descriptions.
6584 2016-01-12 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
6586 PR middle-end/54809
6587 * doc/gty.texi: Remove documentation of mark_hook.
6588 * gengtype.c (struct write_types_data): Remove code to support
6589 mark_hook attribute.
6590 (walk_type): Likewise.
6591 (write_func_for_structure): Likewise.
6593 2016-01-12 Sandra Loosemore <sandra@codesourcery.com>
6595 * doc/invoke.texi (Option Summary) Move -no-canonical-prefixes to
6596 Directory Options, and -specs= to Overall Options.
6597 (Overall Options): Adjust similarly. Reorder to group related
6598 options together. Make -specs= cross-reference the spec file details.
6599 (Directory Options): Adjust similarly.
6601 2016-01-12 Jeff Law <law@redhat.com>
6603 * tree-ssa-threadupdate.c: Various whitespace and typo fixes.
6605 2016-01-12 Olivier Hainque <hainque@adacore.com>
6607 * gcc.c (spec_undefvar_allowed): New global.
6608 (process_command): Set to true when running for --version or --help,
6609 alone or together.
6610 (getenv_spec_function): When the variable is not defined, use the
6611 variable name as the variable value if we're allowed not to issue
6612 a fatal error.
6614 2016-01-12 Bin Cheng <bin.cheng@arm.com>
6616 PR tree-optimization/68911
6617 * tree-vrp.c (adjust_range_with_scev): Check overflow in range
6618 information computed for expression "init + nit * step".
6620 2016-01-12 Sandra Loosemore <sandra@codesourcery.com>
6622 * doc/invoke.texi (Invoking GCC): Copy-edit. Incorporate information
6623 about name of GCC executable. Remove deleted node from menu.
6624 (Directory Options) <-B>: Remove cross-reference to deleted node.
6625 (Target Options): Delete section.
6627 2016-01-12 Christian Bruel <christian.bruel@st.com>
6629 PR target/69180
6630 * config/arm/arm-c.c (arm_pragma_target_parse): Set NODE_CONDITIONAL
6631 for __ARM_NEON_FP, __ARM_FP, _ARM_FEATURE_LDREX.
6633 2016-01-12 Jakub Jelinek <jakub@redhat.com>
6635 PR target/69198
6636 * config/i386/i386.c (ix86_expand_special_args_builtin): Ensure
6637 aligned_mem is properly set for AVX512-VL floating point masked
6638 stores.
6640 PR target/69175
6641 * ifcvt.c (cond_exec_process_if_block): When removing the last
6642 insn from then_bb, remove also any possible barriers that follow it.
6644 2016-01-12 H.J. Lu <hongjiu.lu@intel.com>
6646 PR target/68456
6647 PR target/69226
6648 * config/i386/iamcu.h (SIZE_TYPE): New macro.
6649 (PTRDIFF_TYPE): Likewise.
6650 (WCHAR_TYPE): Likewise.
6651 (WCHAR_TYPE_SIZE): Likewise.
6652 (STDINT_LONG32): Likewise.
6654 2016-01-12 Richard Biener <rguenther@suse.de>
6656 PR tree-optimization/69053
6657 * tree-vect-loop.c (get_initial_def_for_reduction): Properly
6658 convert initial value for cond reductions.
6660 2016-01-12 Richard Biener <rguenther@suse.de>
6662 PR tree-optimization/69007
6663 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Move
6664 widen_sum after dot_prod and sad.
6666 2016-01-12 Richard Biener <rguenther@suse.de>
6668 PR tree-optimization/69168
6669 * tree-vect-loop.c (vect_analyze_loop_2): Reset both main and
6670 pattern stmt SLP type.
6671 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Patterns may
6672 end up unused so cope with that case.
6674 2016-01-12 Richard Biener <rguenther@suse.de>
6676 PR tree-optimization/69157
6677 * tree-vect-stmts.c (vectorizable_mask_load_store): Check
6678 stmts def type only during analyze phase.
6679 (vectorizable_call): Likewise.
6680 (vectorizable_simd_clone_call): Likewise.
6681 (vectorizable_conversion): Likewise.
6682 (vectorizable_assignment): Likewise.
6683 (vectorizable_shift): Likewise.
6684 (vectorizable_operation): Likewise.
6685 (vectorizable_store): Likewise.
6686 (vectorizable_load): Likewise.
6688 2016-01-12 Richard Biener <rguenther@suse.de>
6690 PR tree-optimization/69174
6691 * tree-vect-stmts.c (vect_mark_relevant): Remove excessive vertical
6692 space.
6693 (vectorizable_load): Properly compute the number of loads needed
6694 for permuted strided SLP loads and do not spuriously assign
6695 to SLP_TREE_VEC_STMTS.
6697 2016-01-12 Andris Pavenis <andris.pavenis@iki.fi>
6699 * config/i386/djgpp.h (PREFERRED_DEBUGGING_TYPE): Define to DWARF2
6700 (TARGET_ASM_OUTPUT_IDENT): Define to default_asm_output_ident_directive
6701 (MD_EXEC_PREFIX): Remove.
6702 (MD_STARTFILE_PREFIX) Removee.
6703 (FILE_NAME_ABSOLUTE_P): Remove.
6704 (CPP_SPEC): Do not read macros from sys/version.h.
6705 (LINK_COMMAND_SPEC): Remove.
6706 (LOCAL_INCLUDE_DIR): Remove.
6707 (TARGET_ASM_NAMED_SECTION): Define to i386_djgpp_asm_named_section
6708 (TARGET_OS_CPP_BUILTINS): Add DJGPP (non ISO only), __DJGPP, __DJGPP__, unix.
6709 (POST_LINK_SPEC): Define to invoke stubify after linker
6710 (LIBSTDCXX): Remove define
6711 (DBX_REGISTER_NUMBER): Define to svr4_dbx_register_map.
6712 (DEFAULT_PCC_STRUCT_RETURN): Define to 1.
6713 (SUBTARGET_OVERRIDE_OPTIONS): Remove warning about -mbnu2210.
6714 (SUBTARGET_OVERRIDE_OPTIONS): Ignore -fPIC and generate message.
6715 (SUBTARGET_OVERRIDE_OPTIONS): Default to DWARF2 debugging info.
6716 (IX86_MAYBE_NO_LIBGCC_TFMODE): Remove.
6717 (i386_djgpp_asm_named_section): Add propotype of new procedure
6719 * config/i386/xm-djgpp.h (NATIVE_SYSTEM_HEADER_DIR): Define.
6720 (MD_EXEC_PREFIX): Define (moved from config/i386/djgpp.h).
6721 (STANDARD_STARTFILE_PREFIX_1): Define (moved from MD_STARTFILE_PREFIX
6722 in config/i386/djgpp.h).
6723 (STANDARD_STARTFILE_PREFIX_2): Define identical to
6724 STANDARD_STARTFILE_PREFIX_1.
6725 (LOCAL_INCLUDE_DIR): Define (moved from config/i386/djgpp.h).
6726 (GCC_DRIVER_HOST_INITIALIZATION): Fix reporting fatal
6727 installation errors.
6728 (MAX_OFILE_ALIGNMENT): Define to 128.
6729 (HAVE_FTW_H): Undefine as DJGPP do not have nftw, but have ftw.h.
6731 * config/i386/djgpp.c: New file. Add implementation of
6732 i386_djgpp_asm_named_section.
6734 * config/i386/djgpp.opt: Remove obsolete option -mbnu210.
6736 * config/i386/t-djgpp: New file. Add djgpp.o to EXTRA_OBJS.
6737 Add rule for building djgpp.o.
6739 2016-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
6741 * config/rs6000/rs6000.c (v2df_reduction_p): New function.
6742 (rtx_is_swappable_p): Reductions are swappable.
6743 (insn_is_swappable_p): V2DF reductions are swappable.
6745 2016-01-11 John David Anglin <danglin@gcc.gnu.org>
6747 * config/pa/pa.c (pa_emit_move_sequence): Handle floating point
6748 reloads for other unsupported memory operands.
6750 2016-01-12 Kugan Vivekanandarajah <kuganv@linaro.org>
6751 Jim Wilson <jim.wilson@linaro.org>
6753 PR target/69194
6754 * config/arm/arm-builtins.c (arm_expand_neon_args): Call
6755 copy_to_mode_reg instead of force_reg.
6757 2016-01-11 H.J. Lu <hongjiu.lu@intel.com>
6759 PR target/69225
6760 * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Set to 2 only if
6761 TARGET_80387 is true.
6763 2016-01-11 Jakub Jelinek <jakub@redhat.com>
6765 PR target/69071
6766 * lra-eliminations.c (move_plus_up): Only move plus up
6767 if subreg of the constant can be simplified into constant
6768 and use the simplified subreg of the constant instead of
6769 the original constant.
6771 * fold-const.c (fold_convertible_p): Don't return true
6772 for conversion of VECTOR_TYPE to same sized integral type.
6773 (fold_convert_loc): Fix up formatting. Fold conversion of
6774 VECTOR_TYPE to same sized integral type using VIEW_CONVERT_EXPR
6775 instead of NOP_EXPR.
6777 PR tree-optimization/69214
6778 * tree-vrp.c (simplify_cond_using_ranges): Don't propagate
6779 innerop into a comparison if SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
6780 Formatting fix.
6782 PR tree-optimization/69207
6783 * tree-vect-slp.c (vect_get_constant_vectors): For
6784 VECTOR_BOOLEAN_TYPE_P, assert op has integral type instead of
6785 fold_convertible_p to vector_type's element type, and always
6786 use VCE for non-VECTOR_BOOLEAN_TYPE_P.
6788 2016-01-11 Richard Biener <rguenther@suse.de>
6790 PR tree-optimization/69173
6791 * tree-vect-loop.c (vect_fixup_scalar_cycles_with_patterns): Only
6792 fixup the cycle if all stmts are in a pattern.
6794 2016-01-11 Uros Bizjak <ubizjak@gmail.com>
6796 PR middle-end/68999
6797 * alias.c (base_alias_check): Move check for addresses with
6798 alignment ANDs before the call for compare_base_decls.
6799 (memrefs_conflict_p): Return -1 for different decls
6800 that went through alignment adjustments.
6802 2016-01-11 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
6804 PR rtl-optimization/68796
6805 * config/aarch64/aarch64.md (*and<mode>_compare0): New pattern.
6806 * config/aarch64/aarch64.c (aarch64_select_cc_mode): Handle HImode
6807 and QImode comparisons against zero with CC_NZmode.
6808 * config/aarch64/iterators.md (short_mask): New mode_attr.
6810 2016-01-11 H.J. Lu <hongjiu.lu@intel.com>
6812 * config/i386/sse.md (<avx512>_load<mode>_mask): Remove snprintf.
6813 (<avx512>_store<mode>_mask): Likewise.
6815 2016-01-11 Bernd Schmidt <bschmidt@redhat.com>
6816 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
6818 PR rtl-optimization/68841
6819 * ifcvt.c (struct noce_if_info): Add orig_x field.
6820 (bbs_ok_for_cmove_arith): Add to_rename parameter.
6821 Don't record conflicts on to_rename if it's present.
6822 Allow memory destinations in sets.
6823 (noce_try_cmove_arith): Call bbs_ok_for_cmove_arith even on simple
6824 blocks, passing orig_x to the checks.
6825 (noce_process_if_block): Set if_info->orig_x appropriately.
6827 2016-01-11 Tom de Vries <tom@codesourcery.com>
6829 PR tree-optimization/69069
6830 * tree-parloops.c (create_parallel_loop): Add missing phi args.
6832 2016-01-11 Yuri Rumyantsev <ysrumyan@gmail.com>
6834 PR rtl-optimization/68920
6835 * config/i386/i386.c (ix86_option_override_internal): Restrict number
6836 of conditional moves for RTL if-conversion to 1 for
6837 TARGET_ONE_IF_CONV_INSN.
6838 * config/i386/i386.h (TARGET_ONE_IF_CONV_INSN): New macros.
6839 * config/i386/x86-tune.def (X86_TUNE_ONE_IF_CONV_INSN): New macros.
6840 * params.def (PARAM_MAX_RTL_IF_CONVERSION_INSNS) : Introduce new
6841 parameter to restirct number of conditional moves for
6842 RTL if-conversion.
6843 * doc/invoke.texi (max-rtl-if-conversion-insns): Document it.
6844 * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Limit number of
6845 conditionl moves.
6847 2016-01-11 Alexandre Oliva <aoliva@redhat.com>
6849 PR bootstrap/69123
6850 * var-tracking.c (drop_overlapping_mem_locs): Operate on all
6851 onepart vars. Fix typo in comment. Fix reversed condition in
6852 unshare test.
6853 (dataflow_set_remove_mem_locs): Operate on all onepart vars.
6855 PR bootstrap/69123
6856 * var-tracking.c (dump_onepart_variable_differences): New.
6857 (dataflow_set_different): If a detailed dump is requested,
6858 delay early returns and dump differences between onepart
6859 variables present before and after, and added variables.
6861 2016-01-11 Ilya Enkovich <enkovich.gnu@gmail.com>
6863 PR target/69010
6864 * expr.c (expand_expr_real_1): For boolean vector constants
6865 with a scalar mode use const_scalar_mask_from_tree.
6866 (const_scalar_mask_from_tree): New.
6867 * optabs.c (expand_vec_cond_mask_expr): Use mask mode
6868 assigned to a mask type to handle constants.
6870 2016-01-11 Martin Jambor <mjambor@suse.cz>
6872 PR ipa/69044
6873 * ipa-cp.c (estimate_local_effects): Do not clone for removal of
6874 useless parameters if we cannot change function signature.
6876 2016-01-11 Martin Jambor <mjambor@suse.cz>
6878 PR ipa/66616
6879 * cgraphclones.c (duplicate_thunk_for_node): Copy can_change_signature
6880 flag.
6882 2016-01-11 Tom de Vries <tom@codesourcery.com>
6884 PR tree-optimization/69109
6885 * tree-parloops.c (try_transform_to_exit_first_loop_alt): Don't allow
6886 latch with phi.
6888 2016-01-11 Tom de Vries <tom@codesourcery.com>
6890 PR tree-optimization/69108
6891 * tree-parloops.c (gather_scalar_reductions): Handle case that outer phi
6892 res is not used in a phi.
6894 2016-01-11 Yury Gribov <y.gribov@samsung.com>
6896 PR 67425
6897 * common.opt (frandom-seed): Fix parameter name.
6898 * doc/invoke.texi (frandom-seed): Ditto and describe parameter.
6900 2016-01-11 Tom de Vries <tom@codesourcery.com>
6902 PR tree-optimization/69058
6903 * tree-parloops.c (pass_parallelize_loops::execute): Return 0 if libgomp
6904 not supported.
6906 2016-01-11 Andrew Burgess <andrew.burgess@embecosm.com>
6908 * config/arc/arc.opt (mdiv-rem): Add period to the end.
6909 (mcode-density): Likewise.
6911 2016-01-10 Tom de Vries <tom@codesourcery.com>
6913 PR tree-optimization/69062
6914 * tree-parloops.c (loop_has_phi_with_address_arg): New function.
6915 (parallelize_loops): Don't paralelize loop that has phi with address
6916 arg.
6918 2016-01-10 Tom de Vries <tom@codesourcery.com>
6920 PR tree-optimization/69039
6921 * tree-parloops.c (try_create_reduction_list): Only allow single exit
6922 phi for reduction.
6924 2016-01-09 John David Anglin <danglin@gcc.gnu.org>
6926 PR middle-end/68743
6927 * match.pd: Require target has function_c99_misc before doing
6928 truncl(extend(x)) and trunc(extend(x)) -> extend(truncf(x)), etc.
6930 2016-01-09 Gerald Pfeifer <gerald@pfeifer.com>
6932 * configure.ac (isl_options_set_schedule_serialize_sccs): Also
6933 use GMPINC.
6934 * configure: Regenerate.
6936 2016-01-09 Jakub Jelinek <jakub@redhat.com>
6938 PR middle-end/50865
6939 PR tree-optimization/69097
6940 * fold-const.h (expr_not_equal_to): New prototype.
6941 * fold-const.c: Include stringpool.h and tree-ssanames.h.
6942 (expr_not_equal_to): New function.
6943 * match.pd (X % -Y is the same as X % Y): Don't optimize
6944 unless X is known not to be equal to minimum or Y is known
6945 not to be equal to -1.
6946 * tree-vrp.c (simplify_div_or_mod_using_ranges): Add GSI argument.
6947 fold TRUNC_MOD_EXPR if the second argument is not a power of two.
6948 (simplify_stmt_using_ranges): Adjust caller.
6949 (vrp_finalize): Call set_value_range on SSA_NAMEs before calling
6950 substitute_and_fold.
6952 2016-01-09 Jan Hubicka <hubicka@ucw.cz>
6954 * ipa-icf.c (sem_item_optimizer::merge_classes): Do not ICE on VAR_DECL
6955 w/o DECL_NAME.
6957 2016-01-08 Jakub Jelinek <jakub@redhat.com>
6959 PR tree-optimization/69167
6960 * gimple-fold.c (replace_stmt_with_simplification): Also punt if
6961 new SSA_NAME_OCCURS_IN_ABNORMAL_PHI SSA_NAMEs appear in operands of
6962 ops[0] comparison.
6963 * gimple-match-head.c (maybe_push_res_to_seq): Likewise.
6965 2016-01-08 Alan Lawrence <alan.lawrence@arm.com>
6966 Richard Biener <rguenther@suse.de>
6968 PR tree-optimization/68707
6969 * tree-vect-slp.c (vect_analyze_slp_instance): Cancel permuted SLP
6970 instances that can be handled via vect_load_lanes.
6972 2016-01-08 Uros Bizjak <ubizjak@gmail.com>
6974 * symtab.c (symtab_node::equal_address_to): Return -1 instead of 2
6975 if we can't determine address equivalence.
6976 * alias.c (compare_base_decl): Update for changed return value of
6977 symtab_node::equal_address_to.
6979 2016-01-08 Jason Merrill <jason@redhat.com>
6981 PR c++/68983
6982 PR c++/67557
6983 * function.c (assign_temp): Guard against TREE_ADDRESSABLE types here.
6984 * expr.c (store_field): Not here.
6985 * tree-cfgcleanup.c (fixup_noreturn_call): Don't clear LHS of a
6986 call with TREE_ADDRESSABLE type.
6987 * tree-cfg.c (verify_gimple_call): Adjust.
6989 2016-01-08 Olivier Hainque <hainque@adacore.com>
6991 * config/vxworks.h (VXWORKS_LIBGCC_SPEC): Don't link shared RTPs with
6992 libc_internal.
6994 2016-01-08 Alan Lawrence <alan.lawrence@arm.com>
6996 * gcc.target/rs6000/paired.md (reduc_smax_v2sf): Rename to...
6997 (reduc_smax_scal_v2sf): ...here, make result SFmode, extract element.
6998 (reduc_smin_v2sf): Rename to...
6999 (reduc_smin_scal_v2sf): ...here, make result SFmode, extract element.
7000 (reduc_splus_v2sf): Rename to...
7001 (reduc_plus_scal_v2sf): ...here, make result SFmode, extract element.
7003 2016-01-08 Jakub Jelinek <jakub@redhat.com>
7005 PR tree-optimization/69162
7006 * gimplify.c (gimplify_va_arg_expr): Encode original type of
7007 valist argument in another argument.
7008 (gimplify_modify_expr): Adjust for the above change. Cleanup.
7009 * tree-stdarg.c (expand_ifn_va_arg_1): Use new 3rd argument
7010 to determine the va_list type, build a MEM_REF instead of
7011 build_fold_indirect_ref.
7013 PR tree-optimization/69172
7014 * gimple-fold.c (gimple_fold_builtin_memory_chk): Pass type to
7015 gimple_build.
7017 2016-01-08 Thomas Preud'homme <thomas.preudhomme@arm.com>
7019 PR tree-optimization/67781
7020 * tree-ssa-math-opts.c (find_bswap_or_nop): Zero out bytes in cmpxchg
7021 and cmpnop in two steps: first the ones not accessed in original
7022 gimple expression in a endian independent way and then the ones not
7023 accessed in the final result in an endian-specific way.
7025 2016-01-08 Jakub Jelinek <jakub@redhat.com>
7027 PR tree-optimization/69083
7028 * tree-vect-slp.c (vect_get_constant_vectors): For
7029 VECTOR_BOOLEAN_TYPE_P assert op is fold_convertible_p to vector_type's
7030 element type. If op is fold_convertible_p to vector_type's element
7031 type, use NOP_EXPR instead of VCE.
7033 2016-01-08 Segher Boessenkool <segher@kernel.crashing.org>
7035 PR rtl-optimization/67778
7036 PR rtl-optimization/68634
7037 PR rtl-optimization/68909
7038 * shrink-wrap.c (try_shrink_wrapping): Add comment. Don't pop
7039 block from the stack until done with it. Remove a superfluous
7040 bitmap set. Remove a superfluous bitmap test.
7042 2016-01-07 Martin Sebor <msebor@redhat.com>
7044 PR c/68966
7045 * doc/extend.texi (__atomic Builtins, __sync Builtins): Document
7046 constraint on the type of arguments.
7048 2016-01-07 Andreas Tobler <andreast@gcc.gnu.org>
7050 * config/arm/freebsd.h: Rename SUBTARGET_OVERRIDE_OPTIONS to
7051 SUBTARGET_OVERRIDE_INTERNAL_OPTIONS. Adjust to check
7052 unaligned_access on the gcc_options set.
7053 * config/arm/arm.c (arm_option_override_internal): Use
7054 SUBTARGET_OVERRIDE_INTERNAL_OPTIONS.
7056 2016-01-07 Uros Bizjak <ubizjak@gmail.com>
7058 PR target/69140
7059 * config/i386/i386.c (ix86_frame_pointer_required): Enable
7060 frame pointer for TARGET_64BIT_MS_ABI when stack is misaligned.
7062 2016-01-07 Uros Bizjak <ubizjak@gmail.com>
7064 Revert
7065 2016-01-06 Uros Bizjak <ubizjak@gmail.com>
7067 PR target/69140
7068 * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
7069 depending on frame_pointer_needed before remaining integer and SSE
7070 registers are saved.
7072 2016-01-07 Sandra Loosemore <sandra@codesourcery.com>
7074 PR 1078
7075 * doc/extend.texi (Nvidia PDX Function Attributes): New section.
7077 2016-01-07 H.J. Lu <hongjiu.lu@intel.com>
7079 PR target/69171
7080 * config/i386/sse.md (<sse>_sqrt<mode>2<mask_name><round_name>):
7081 Use the "xBm" constraint.
7082 (float<sseintvecmodelower><mode>2<mask_name><round_name):
7083 Likewise.
7084 (sse_cvtsi2ss<round_name>): Use round_nimm_scalar_predicate.
7085 (sse_cvtsi2ssq<round_name>): Likewise.
7086 (sse_cvtss2si<round_name>): Likewise.
7087 (sse_cvtss2siq<round_name>): Likewise.
7088 (sse2_cvtsi2sdq<round_name>): Likewise.
7089 (sse2_cvtsd2si<round_name>): Likewise.
7090 (sse2_cvtsd2siq<round_name>): Likewise.
7091 * config/i386/subst.md (round_nimm_scalar_predicate): New
7092 predicate.
7094 2015-12-15 Bernd Schmidt <bschmidt@redhat.com>
7096 PR middle-end/67639
7097 * varasm.c (make_decl_rtl): Mark invalid register vars as
7098 DECL_EXTERNAL.
7100 PR rtl-optimization/66206
7101 * bt-load.c (find_btr_use): Change first arg to be a pointer to an rtx.
7102 All callers changed.
7104 2016-01-07 Jakub Jelinek <jakub@redhat.com>
7106 PR tree-optimization/69141
7107 * tree-ssa-pre.c: Include langhooks.h.
7108 (eliminate_dom_walker::before_dom_children): Use
7109 lang_hooks.decl_printable_name instead of
7110 cgraph_node::get ()->name ().
7112 PR middle-end/68960
7113 * gimple-expr.c (copy_var_decl): If var has DECL_USER_ALIGN set, copy
7114 it and DECL_ALIGN too.
7116 2016-01-06 Robert Suchanek <robert.suchanek@imgtec.com>
7118 * config/mips/mips-ftypes.def: Sort to lexicographical order.
7120 2016-01-06 Uros Bizjak <ubizjak@gmail.com>
7122 PR target/69140
7123 * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
7124 depending on frame_pointer_needed before remaining integer and SSE
7125 registers are saved.
7127 2015-01-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
7129 * config/rs6000/vsx.md (*p9_vecload_<mode>): Replace VSX_M
7130 mode iterator with VSX_M2.
7131 (*p9_vecstore_<mode>): Likewise.
7132 (*vsx_le_permute_<mode>): Restrict to !TARGET_P9_VECTOR.
7133 (*vsx_le_perm_load_<mode> for VSX_LE_128): Likewise.
7134 (*vsx_le_perm_store_<mode> for VSX_LE_128): Likewise.
7135 (define_split for VSX_LE128 stores): Likewise.
7136 (define_peephole2 for TImode LE swaps): Likewise.
7137 (define_split for VSX_LE128 post-reload stores): Likewise.
7139 2016-01-06 Marek Polacek <polacek@redhat.com>
7141 PR sanitizer/69099
7142 * convert.c (convert_to_integer_1): Adjust call to
7143 ubsan_instrument_float_cast. Use NULL_TREE instead of NULL.
7144 * ubsan.c (ubsan_instrument_float_cast): Drop the ARG parameter. Use
7145 EXPR instead of ARG.
7146 * ubsan.h (ubsan_instrument_float_cast): Adjust declaration.
7148 2016-01-05 Sandra Loosemore <sandra@codesourcery.com>
7150 PR 1078
7151 * doc/extend.texi (RL78 Variable Attributes): New section.
7153 2016-01-05 Marek Polacek <polacek@redhat.com>
7155 PR c/69104
7156 * builtins.c (get_memmodel): Use expansion point location rather than
7157 the input location. Call warning_at rather than warning.
7158 (expand_builtin_atomic_compare_exchange): Likewise.
7159 (expand_builtin_atomic_load): Likewise.
7160 (expand_builtin_atomic_store): Likewise.
7161 (expand_builtin_atomic_clear): Likewise.
7163 2016-01-05 H.J. Lu <hongjiu.lu@intel.com>
7165 PR target/68991
7166 * config/i386/i386.c (ix86_expand_vector_logical_operator):
7167 Replace nonimmediate_operand with vector_operand.
7168 * config/i386/predicates.md (vector_operand): New predicate.
7169 (general_vector_operand): Replace nonimmediate_operand with
7170 vector_operand.
7171 * config/i386/sse.md: Replace nonimmediate_operand with
7172 vector_operand and m constraint with Bm constraint on SSE
7173 patterns with 16-byte memory operand.
7174 * config/i386/subst.md (round_nimm_predicate): Replace
7175 nonimmediate_operand with vector_operand.
7176 (round_saeonly_nimm_predicate): Likewise.
7177 (round_saeonly_nimm_scalar_predicate): New.
7179 2016-01-05 H.J. Lu <hongjiu.lu@intel.com>
7181 PR target/68991
7182 * config/i386/constraints.md (Bm): New constraint.
7183 * config/i386/predicates.md (vector_memory_operand): New
7184 predicate.
7185 * config/i386/sse.md: Replace xm with xBm in plusminus and
7186 any_logic patterns.
7188 2016-01-05 Sandra Loosemore <sandra@codesourcery.com>
7190 PR 1078
7191 * doc/extend.texi (V850 Function Attributes): New section.
7192 (V850 Variable Attributes): New section.
7194 2016-01-05 Sandra Loosemore <sandra@codesourcery.com>
7196 PR 1078
7197 * doc/extend.texi (MicroBlaze Function Attributes): Document
7198 interrupt_handler and fast_interrupt attributes.
7200 2016-01-05 Sergei Trofimovich <siarheit@google.com>
7202 PR other/60465
7203 * config/ia64/ia64.c (ia64_expand_load_address): Use gprel64
7204 for local symbolic operands.
7205 * config/ia64/predicates.md (local_symbolic_operand64): New
7206 predicate.
7208 2016-01-05 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
7210 PR rtl-optimization/68651
7211 * combine.c (combine_simplify_rtx): Canonicalize x + x into
7212 x << 1.
7214 2016-01-05 Nathan Sidwell <nathan@acm.org>
7216 * alias.c (compare_base_decls): Use symtab_node::get.
7218 2016-01-05 Nick Clifton <nickc@redhat.com>
7220 PR target/68770
7221 * ira-costs.c (copy_cost): Initialise the t_icode field of the
7222 secondary_reload_info structure.
7224 PR target/66655
7225 * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Define to use weak
7226 decls if weak support is available.
7228 2016-01-04 Martin Sebor <msebor@redhat.com>
7230 * doc/invoke.texi (Warning Options): Document -Winvalid-memory-model.
7232 2016-01-04 Michael Meissner <meissner@linux.vnet.ibm.com>
7234 * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Add
7235 OPTION_MASK_P9_DFORM.
7237 * config/rs6000/constraints.md (wo constraint): New constraint for
7238 ISA 3.0 (power9).
7240 * config/rs6000/rs6000.c (rs6000_debug_reg_global): Add support
7241 for wo constraint.
7242 (rs6000_init_hard_regno_mode_ok): Likewise.
7244 * config/rs6000/rs6000.h (r6000_reg_class_enum): Add support for
7245 wo constraint.
7247 * config/rs6000/altivec.md (altivec_vperm_<mode>): Clean up vperm
7248 expanders not to have constraints. Add support for ISA 3.0 xxperm
7249 instruction. Add support for fusing xxlor with xxperm.
7250 (altivec_vperm_<mode>_internal): Likewise.
7251 (altivec_vperm_v8hiv16qi): Likewise.
7252 (altivec_vperm_<mode>v16q): Likewise.
7253 (altivec_vperm_<mode>_uns): Likewise.
7254 (vperm_v8hiv4si): Likewise.
7255 (vperm_v16qiv8hi): Likewise.
7257 * doc/md.texi (RS/6000 constraints): Document wo constraint.
7259 2016-01-04 Jakub Jelinek <jakub@redhat.com>
7261 Update copyright years.
7263 * gcc.c (process_command): Update copyright notice dates.
7264 * gcov-dump.c (print_version): Ditto.
7265 * gcov.c (print_version): Ditto.
7266 * gcov-tool.c (print_version): Ditto.
7267 * gengtype.c (create_file): Ditto.
7268 * doc/cpp.texi: Bump @copying's copyright year.
7269 * doc/cppinternals.texi: Ditto.
7270 * doc/gcc.texi: Ditto.
7271 * doc/gccint.texi: Ditto.
7272 * doc/gcov.texi: Ditto.
7273 * doc/install.texi: Ditto.
7274 * doc/invoke.texi: Ditto.
7276 2016-01-04 Eric Botcazou <ebotcazou@adacore.com>
7278 * config/arm/arm.c (aapcs_vfp_allocate_return_reg): Treat all integer
7279 modes larger than TImode as TImode if NEON is not enabled.
7281 2016-01-04 Eric Botcazou <ebotcazou@adacore.com>
7283 PR target/69100
7284 * config/sparc/sparc.h (FUNCTION_ARG_REGNO_P): Return true in 64-bit
7285 mode for %f0-%f31 only if TARGET_FPU.
7287 2016-01-04 Eric Botcazou <ebotcazou@adacore.com>
7289 PR target/69072
7290 * config/sparc/sparc.c (scan_record_type): Take into account subfields
7291 to compute the PACKED_P predicate.
7292 (function_arg_record_value): Minor tweaks.
7294 2016-01-04 Thomas Preud'homme <thomas.preudhomme@arm.com>
7296 * doc/install.texi (--with-multilib-list): Describe the meaning of the
7297 option for arm*-*-* targets.
7299 2016-01-03 Sandra Loosemore <sandra@codesourcery.com>
7301 * doc/extend.texi (Common Function Attributes): Move docs for
7302 MSP430-specific attributes to....
7303 (MSP430 Function Attributes): ...here. Delete the redundant
7304 entries and copy-edit the remaining text.
7305 (MSP430 Variable Attributes): Use uniform format for index
7306 entries and add a cross-reference to the corresponding function
7307 attribute docs.
7309 2016-01-03 Vladimír Čunát <vcunat@gmail.com>
7311 * doc/invoke.texi (RS/6000 and PowerPC Options): Fix
7312 -finite-math typo.
7313 (x86 Options): Likewise.
7315 2016-01-01 Sandra Loosemore <sandra@codesourcery.com>
7317 PR 1078
7319 * extend.texi (Common Function Attributes) <no_stack_limit>: New.
7320 * invoke.texi (Code Gen Options) <-fno-stack-limit>: Add pointer
7321 to corresponding attribute.
7323 2016-01-01 Sandra Loosemore <sandra@codesourcery.com>
7325 * doc/extend.texi (Common Function Attributes) <noplt>: Move
7326 to correct alphabetization of table. Copy-edit and correct
7327 markup.
7328 <stack_protect>: Likewise.
7329 <target_clones>: Likewise.
7330 <simd>: Likewise.
7331 * doc/invoke.texi (Optimize Options) <-fstack-protector-explicit>:
7332 Correct punctuation.
7333 (Code Gen Options) <-fno-plt>: Copy-edit.
7335 2016-01-01 Bernd Edlinger <bernd.edlinger@hotmail.de>
7337 PR target/68917
7338 * config/tilegx/tilegx.md (clzsi2): Don't create DI subregs of
7339 SI values. Explicitly convert SI to DI and vice-versa.
7341 2016-01-01 Jakub Jelinek <jakub@redhat.com>
7343 PR tree-optimization/69070
7344 * tree-ssa-math-opts.c (gimple_expand_builtin_pow): Only test
7345 REAL_VALUE_ISSIGNALING_NAN on arg0 if arg0 is a REAL_CST.
7347 PR sanitizer/69055
7348 * ubsan.c (ubsan_instrument_float_cast): Call
7349 initialize_sanitizer_builtins.
7351 PR target/69015
7352 * ifcvt.c (find_cond_trap): Give up if returnjump_p (jump).
7353 \f
7354 Copyright (C) 2016 Free Software Foundation, Inc.
7356 Copying and distribution of this file, with or without modification,
7357 are permitted in any medium without royalty provided the copyright
7358 notice and this notice are preserved.