1 2016-04-05 Jakub Jelinek <jakub@redhat.com>
4 * config/i386/sse.md (*andnot<mode>3): Simplify assertions.
5 Use vpandn<ssemodesuffix> for V16SI/V8DImode, vpandnq for
6 V32HI/V64QImode, don't use <mask_operand3_1>, fix up formatting.
7 (*andnot<mode>3_mask): Remove insn with VI12_AVX512VL iterator.
9 2016-04-05 Richard Biener <rguenther@suse.de>
12 * gimplify-me.c (gimple_regimplify_operands): Do not rewrite
13 non-register type temporaries into SSA.
15 2016-04-04 Jan Hubicka <hubicka@ucw.cz>
18 * ipa-devirt.c (maybe_record_node): Do not optimize cxa_pure_virtual
19 calls when sanitizing.
20 (possible_polymorphic_call_target_p): Fix formating.
22 2016-04-04 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
23 Jakub Jelinek <jakub@redhat.com>
26 * tree-inline.c (estimate_num_insn): Use gimple_call_builtin_p
27 to ensure a call statement is compatible with a built-in's
29 * tree-ssa-math-opts.c (pass_optimize_windening_mul::execute):
32 2016-04-04 Richard Biener <rguenther@suse.de>
34 PR rtl-optimization/70484
35 * rtl.h (canon_output_dependence): Declare.
36 * alias.c (canon_output_dependence): New function.
37 * dse.c (record_store): Use canon_output_dependence rather
38 than canon_true_dependence.
40 2016-03-30 Jan Hubicka <hubicka@ucw.cz>
43 * cgraph.h (symtab_node::copy_visibility_from): New function.
44 * symtab.c (symtab_node::copy_visibility_from): New function.
45 * ipa-visibility.c (optimize_weakref): New function.
46 (function_and_variable_visibility): Use it.
48 2016-04-04 Martin Liska <mliska@suse.cz>
51 * hsa-gen.c (gen_hsa_insns_for_switch_stmt): Guard index
52 value that is really in range handled by SBR instruction.
53 * hsa-brig.c (emit_switch_insn): Do not emit unconditional
55 * hsa-dump.c (dump_hsa_insn_1): Do not dump default BB.
56 * hsa.h (hsa_insn_sbr::m_default_bb): Remove field.
58 2016-04-03 Oleg Endo <olegendo@gcc.gnu.org>
62 * config/sh/sh.md (*addsi3): Allow pattern when reload_in_progress is
63 set, but not for SP_REG operands.
65 2016-04-02 Martin Sebor <msebor@redhat.com>
68 * fold-const.c (maybe_nonzero_address): New function.
69 (fold_comparison): Call it. Fold equality and relational
70 expressions involving null pointers.
71 (tree_single_nonzero_warnv_p): Call maybe_nonzero_address.
73 2016-03-31 Evandro Menezes <e.menezes@samsung.com>
75 Fix the predicate "aarch64_simd_reg_or_zero" to correctly validate
76 the "Y" constraint (scalar FP 0.0 immediate).
78 * gcc/config/aarch64/predicates.md (aarch64_simd_reg_or_zero):
79 Add the "const_double" to the list of operand constraints.
81 2016-04-01 Jakub Jelinek <jakub@redhat.com>
83 PR rtl-optimization/70467
84 * config/i386/i386.md (*add<dwi>3_doubleword, *sub<dwi>3_doubleword):
85 If low word of the last operand is 0, just emit addition/subtraction
88 2016-04-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
91 * config/s390/s390.c (s390_expand_insv): Check for everything
92 constant instead of just VOIDmode stuff.
94 2016-04-01 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
97 * config/arm/arm.h (ASM_APP_OFF): Handle TARGET_ARM
100 2016-04-01 Nathan Sidwell <nathan@acm.org>
102 * tree.def (TRY_CATCH_EXPR): Correct documentation.
104 2016-03-31 Vladimir Makarov <vmakarov@redhat.com>
106 PR rtl-optimization/70461
107 * ira-color.c (allocno_copy_cost_saving): Use allocno class if it
110 2016-03-31 Martin Liska <mliska@suse.cz>
113 * hsa-brig.c (hsa_op_immed::emit_to_buffer): Emit either
114 a tree value or an immediate integer value to a buffer
115 that is eventually copied to a BRIG section.
116 (emit_immediate_operand): Call the function here.
117 * hsa-dump.c (dump_hsa_immed): Remove checking assert.
118 * hsa-gen.c (hsa_op_immed::hsa_op_immed): Remove initialization
119 of class' fields that are removed.
120 (hsa_op_immed::~hsa_op_immed): Remove deinitialization.
121 * hsa.h (class hsa_op_immed): Remove m_brig_repr and
122 m_brig_repr_size fields.
124 2016-03-31 Martin Liska <mliska@suse.cz>
127 * hsa-gen.c (hsa_function_representation::update_dominance): New
129 (convert_addr_to_flat_segment): Likewise.
130 (gen_hsa_memory_set): New alignment argument.
131 (gen_hsa_ctor_assignment): Likewise.
132 (gen_hsa_insns_for_single_assignment): Provide alignment
133 to gen_hsa_ctor_assignment.
134 (gen_hsa_insns_for_direct_call): Add new argument.
135 (expand_lhs_of_string_op): New function.
136 (expand_string_operation_builtin): Likewise.
137 (expand_memory_copy): New function.
138 (expand_memory_set): New function.
139 (gen_hsa_insns_for_call): Use HOST_WIDE_INT.
140 (convert_switch_statements): Change signature.
141 (generate_hsa): Use a return value of the function.
142 (pass_gen_hsail::execute): Do not call
143 convert_switch_statements here.
144 * hsa-regalloc.c (hsa_regalloc): Call update_dominance.
145 * hsa.h (hsa_function_representation::m_modified_cfg):
147 (hsa_function_representation::update_dominance): New function.
149 2016-03-31 Martin Liska <mliska@suse.cz>
152 * hsa-brig.c (emit_directive_variable): Emit alignment
153 according to hsa_symbol::m_align.
154 * hsa-dump.c (hsa_byte_alignment): Move the function to
156 (dump_hsa_symbol): Dump alignment of HSA symbols.
157 * hsa-gen.c (get_symbol_for_decl): Set-up alignment
159 (gen_hsa_addr_with_align): New function.
160 (hsa_bitmemref_alignment): Use newly added function.
161 (gen_hsa_insns_for_load): Likewise.
162 (gen_hsa_insns_for_store): Likewise.
163 (gen_hsa_memory_copy): New argument added.
164 (gen_hsa_insns_for_single_assignment): Respect
165 alignment for assignments processed via
167 (gen_hsa_insns_for_direct_call): Likewise.
168 (gen_hsa_insns_for_return): Likewise.
169 (gen_function_def_parameters): Set default
171 * hsa.c (hsa_object_alignment): New function.
172 (hsa_byte_alignment): Pasted function.
173 * hsa.h (hsa_symbol::m_align): New field.
175 2016-03-31 Bin Cheng <bin.cheng@arm.com>
177 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Initialize
178 scratch field for goto case.
180 2016-03-31 James Greenhalgh <james.greenhalgh@arm.com>
182 * config/arm/linux-elf.h (ASM_OUTPUT_DEF): Delete.
184 2016-03-31 Ilya Enkovich <enkovich.gnu@gmail.com>
187 * config/i386/i386.c (scalar_chain::convert_op): Fix
189 (scalar_chain::convert_insn): Call convert_op for reg
190 moves to handle undefined registers.
192 2016-03-31 Nathan Sidwell <nathan@acm.org>
195 * varasm.c (output_constructor_regular_field): Flush bitfield
196 earlier. Assert we don't want to move backwards.
198 2016-03-31 Kirill Yukhin <kirill.yukhin@intel.com>
201 * config/i386/sse.md (define_mode_attr shuffletype): Fix typo.
203 2016-03-31 Jakub Jelinek <jakub@redhat.com>
205 PR rtl-optimization/70460
206 * ira.c (indirect_jump_optimize): Don't substitute LABEL_REF
207 with operand from REG_LABEL_OPERAND, instead substitute
208 SET_SRC or REG_EQUAL note content if it is a LABEL_REF.
209 Don't do anything for REG_NON_LOCAL_GOTO jumps.
211 2016-03-31 Martin Liska <mliska@suse.cz>
213 * passes.c (execute_one_pass): Do not call
214 todo_after for a discarded function.
216 2016-03-31 Bin Cheng <bin.cheng@arm.com>
218 * tree-ssa-loop-ivopts.c (struct comp_cost): New scrach field.
219 (no_cost, infinite_cost): Initialize the new field.
220 (get_computation_cost_at): Record setup cost.
221 (determine_use_iv_cost_address): Skip cost computation for sub
222 uses if we can estimate it without losing accuracy.
224 2016-03-30 Jan Hubicka <hubicka@ucw.cz>
226 * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can't get realistic
228 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
229 max_loop_iterations_int.
230 (tree_unswitch_outer_loop): Likewise.
231 * tree-ssa-loop-ivopts.c (avg_loop_niter): Likewise.
232 * tree-vect-loop.c (vect_analyze_loop_2): Likewise.
234 2016-03-30 Richard Biener <rguenther@suse.de>
237 * fold-const.c (extract_muldiv_1): Fix thinko in wide_int::from
240 2016-03-30 Jakub Jelinek <jakub@redhat.com>
243 * config/i386/i386.c (ix86_expand_vector_set): Fix up argument order
244 in gen_blendm expander.
246 2016-03-30 Nick Clifton <nickc@redhat.com>
249 * config/arm/arm.c (arm_reload_out_hi): Add code to handle the
250 case where we are already provided with an SImode SUBREG.
252 2016-03-30 H.J. Lu <hongjiu.lu@intel.com>
255 * config/i386/i386.c (ix86_expand_epilogue): Properly check
256 conflict between DRAP register and __builtin_eh_return.
258 2016-03-30 Michael Matz <matz@suse.de>
259 Richard Biener <rguenther@suse.de>
262 * ipa-polymorphic-call.c (struct type_change_info): Change
263 speculative to an unsigned allowing to limit the work we do.
264 (csftc_abort_walking_p): New inline function..
265 (check_stmt_for_type_change): Limit the number of may-defs
266 skipped for speculative devirtualization to
267 max-speculative-devirt-maydefs.
268 * params.def (max-speculative-devirt-maydefs): New param.
269 * doc/invoke.texi (--param max-speculative-devirt-maydefs): Document.
271 2016-03-30 Mike Stump <mrs@gcc.gnu.org>
274 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Use when profiling
277 2016-03-30 Patrick Palka <ppalka@gcc.gnu.org>
279 PR tree-optimization/59124
280 * tree-vrp.c (register_edge_assert_for_2): For NAME != CST1
281 where NAME = A +- CST2 add the assertion A != (CST1 -+ CST2).
283 2016-03-29 Jeff Law <law@redhat.com>
285 * tree-ssa-coalesce.c (struct ssa_conflicts): Fix typo in
288 2016-03-10 Jan Hubicka <hubicka@ucw.cz>
290 * tree-ssa-loop-ivcanon.c (try_peel_loop): Change type of peel
293 2016-03-29 Thomas Schwinge <thomas@codesourcery.com>
295 * config/gnu.h (CPP_SPEC, LIB_SPEC): Don't override.
296 * config/i386/gnu.h (STARTFILE_SPEC): Use gcrt1.o instead of
297 gcrt0.o if linking dynamically.
299 2016-03-10 Jan Hubicka <hubicka@ucw.cz>
302 * ipa-devirt.c (methods_equal_p): New function.
303 (compare_virtual_tables): Use it.
304 * cgraph.h (symbol_table::symbol_suffix_separator): Declare.
305 * cgraphclones.c (clone_function_name_1): Use
306 symbol_table::symbol_suffix_separator.
307 * coverage.c (build_var): Likewise.
308 * symtab.c (symbol_table::symbol_suffix_separator): New.
310 2016-03-29 Jakub Jelinek <jakub@redhat.com>
312 PR rtl-optimization/70429
313 * combine.c (simplify_shift_const_1): For ASHIFTRT don't optimize
314 (cst1 >> count) >> cst2 into (cst1 >> cst2) >> count if
318 * tree-inline.c (remap_decls): Don't add_local_decl if
321 PR tree-optimization/70405
322 * ssa-iterators.h (num_imm_uses): Add missing braces.
324 2016-03-29 Vladimir Makarov <vmakarov@redhat.com>
326 PR rtl-optimization/68695
327 * ira-color.c (allocno_copy_cost_saving): New.
328 (improve_allocation): Use it.
330 2016-03-29 Richard Henderson <rth@redhat.com>
333 * lower-subreg.c (simplify_subreg_concatn): Reject paradoxical
336 2016-03-29 Richard Biener <rguenther@suse.de>
339 * ipa-prop.c (ipa_compute_jump_functions_for_edge): Always
340 use alignment returned by get_pointer_alignment_1 if it is
341 bigger than BITS_PER_UNIT.
342 * builtins.c (get_pointer_alignment_1): Do not return true
343 for alignment extracted from SSA info.
345 2016-03-28 James Bowman <james.bowman@ftdichip.com>
347 * config/ft32/ft32.opt (mnodiv): New.
348 * config/ft32/ft32.md (*divsi3, *modsi3): Qualify with
350 * doc/invoke.texi (FT32 Options -mnodiv): New.
352 2016-03-28 Kirill Yukhin <kirill.yukhin@intel.com>
355 * config/i386/i386.md (define_split, andn): Fix modes.
357 2016-03-26 Richard Biener <rguenther@suse.de>
358 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
361 * ipa-inline-transform.c (inline_call): Pass opts_for_fn (to->decl)
363 TREE_OPTIMIZATION (DECL_FUNCTION_SPECIFIC_OPTIMIZATION (to->decl))
364 as 2nd argument to cl_optimization_restore().
366 2016-03-25 Richard Henderson <rth@redhat.com>
369 * config/aarch64/aarch64.c (aarch64_asm_output_pool_epilogue): New.
370 * config/aarch64/aarch64-protos.h: Declare it.
371 * config/aarch64/aarch64.h (ASM_OUTPUT_POOL_EPILOGUE): New.
373 2016-03-25 Alan Modra <amodra@gmail.com>
376 * config/rs6000/constraints.md (j): Simplify.
377 * config/rs6000/predicates.md (easy_fp_constant): Exclude
379 * config/rs6000/rs6000.md (zero_fp): New mode_attr.
380 (mov<mode>_hardfloat, mov<mode>_hardfloat32, mov<mode>_hardfloat64,
381 mov<mode>_64bit_dm, mov<mode>_32bit): Use zero_fp in place of j
382 in all constraint alternatives.
383 (movtd_64bit_nodm): Delete "j" constraint alternative.
385 2016-03-24 Aldy Hernandez <aldyh@redhat.com>
387 * tree-ssa-propagate.c: Enhance docs for
388 SSA_PROP_NOT_INTERESTING.
390 2016-03-24 Aldy Hernandez <aldyh@redhat.com>
392 * doc/extend.texi: Fix typo in documentation to pure attribute.
394 2016-03-24 John David Anglin <danglin@gcc.gnu.org>
397 * config/pa/pa.md (bswapdi2): Use a scratch register.
399 2016-03-24 Richard Henderson <rth@redhat.com>
402 * fold-const.c (extract_muldiv_1): Correct test for multiplication
405 2016-03-24 Uros Bizjak <ubizjak@gmail.com>
407 * config/i386/i386.md (*anddi3_doubleword): Generate AND insn
408 using ix86_expand_binary_operator instead of gen_andsi3.
410 2016-03-24 Richard Biener <rguenther@suse.de>
412 PR tree-optimization/70396
413 * tree-vect-stmts.c (vectorizable_comparison): Use
414 get_vectype_for_scalar_type.
416 2016-03-24 Richard Biener <rguenther@suse.de>
419 * gimplify.c (gimplify_asm_expr): Handle !allows_mem outputs
422 2016-03-24 Richard Biener <rguenther@suse.de>
424 PR tree-optimization/70372
425 * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Use
426 build_all_ones_cst to also handle vector types correctly.
428 2016-03-23 Michael Meissner <meissner@linux.vnet.ibm.com>
431 * config/rs6000/rs6000-cpus.def (ISA_2_6_MASKS_SERVER): Do not set
434 2016-03-23 Marek Polacek <polacek@redhat.com>
437 * doc/invoke.texi: Document -Wignored-attributes.
439 2016-03-23 Bin Cheng <bin.cheng@arm.com>
441 PR tree-optimization/69042
442 * params.def (PARAM_IV_CONSIDER_ALL_CANDIDATES_BOUND): Increase the
443 parameter from 30 to 40.
445 2016-03-23 Bin Cheng <bin.cheng@arm.com>
447 PR tree-optimization/69042
448 * tree-ssa-loop-ivopts.c (add_iv_candidate_for_use): Add IV cand
449 for use with constant offset stripped in base.
451 2016-03-23 Richard Biener <rguenther@suse.de>
454 * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Adjust
455 mode compatibility check.
456 (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
458 2016-03-23 Jeff Law <law@redhat.com>
460 PR tree-optimization/64058
461 * tree-ssa-coalesce.c (struct coalesce_pair): Add new field
463 (struct ssa_conflicts): Move up earlier in the file.
464 (conflicts_, var_map_): New static variables.
465 (initialize_conflict_count): New function to initialize the
466 CONFLICT_COUNT field for each conflict pair.
467 (compare_pairs): Lazily initialize the conflict count and use it
468 as the first tie-breaker.
469 (sort_coalesce_list): Add new arguments conflicts, map. Initialize
470 and wipe conflicts_ and map_ around the call to qsort. Remove
471 special case for 2 coalesce pairs.
472 * bitmap.c (bitmap_count_unique_bits): New function.
473 (bitmap_count_bits_in_word): New function, extracted from
475 (bitmap_count_bits): Use bitmap_count_bits_in_word.
476 * bitmap.h (bitmap_count_unique_bits): Declare it.
478 2016-03-23 Ilya Enkovich <enkovich.gnu@gmail.com>
481 * config/i386/sol2.h (ASM_OUTPUT_DEF_FROM_DECLS): Follow
482 transparent alias chain for decl assembler name.
483 * config/sol2.c (solaris_assemble_visibility): Likewise.
485 2016-03-23 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
487 * config/arm/arm1020e.md (1020call_op): Reduce reservation
489 (v10_fdivs): Likewise.
490 (v10_fdivd): Likewise.
492 2016-03-23 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
495 * config/arm/driver-arm.c (host_detect_local_cpu): Reorder exit logic
496 to not call fclose twice on file.
498 2016-03-23 Jakub Jelinek <jakub@redhat.com>
500 PR tree-optimization/70354
501 * tree-vect-patterns.c (vect_recog_vector_vector_shift_pattern): If
502 oprnd0 is wider than oprnd1 and there is a cast from the wider
503 type to oprnd1, mask it with the mask of the narrower type.
506 * config/i386/i386.md (*anddi3_doubleword, *<code>di3_doubleword):
507 Optimize TARGET_STV splitters, if high or low word of last argument
510 2016-03-22 Jeff Law <law@redhat.com>
513 tree-ssa-threadbackward.c
514 (fsm_find_control_statement_thread_paths): Correctly distinguish
515 between old style jump threads vs FSM jump threads.
517 2016-03-22 Ilya Enkovich <enkovich.gnu@gmail.com>
520 * config/i386/i386.c (scalar_chain::convert_op): Support
521 uninitialized register usage case.
523 2016-03-22 Richard Biener <rguenther@suse.de>
526 * genmatch.c (gen_transform): Adjust last parameter to a three-state
528 (capture::gen_transform): ... to change behavior when substituting
529 a condition into cond or not-cond expr context.
530 (dt_simplify::gen_1): Adjust.
531 * gimple-match-head.c: Include gimplify.h for unshare_expr.
532 * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Revert
533 last change and instead change to
534 A + (B vcmp C ? 1 : 0) -> A - (B vcmp C ? -1 : 0).
535 (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
537 2016-03-22 Anthony Green <green@moxielogic.com>
539 * config/moxie/moxiebox.h (CC1_SPEC): Define. Fix endianness
540 issue for moxiebox targets.
541 (CC1PLUS_SPEC): Ditto.
543 2016-03-22 Richard Biener <rguenther@suse.de>
546 * fold-const.c (extract_muldiv_1): Properly perform multiplication
549 2016-03-22 Kirill Yukhin <kirill.yukhin@intel.com>
551 * config/i386/i386.c (def_builtin): Remove duplicated functionality.
553 2016-03-22 Kirill Yukhin <kirill.yukhin@intel.com>
556 * config/i386/i386.c (def_builtin): Handle
557 OPTION_MASK_ISA_AVX512VL to be and-ed with other
559 (const struct builtin_description bdesc_special_args[]):
560 Remove duplicate ISA bits.
562 2016-03-22 Jakub Jelinek <jakub@redhat.com>
565 * config/i386/i386.c (ix86_expand_vecop_qihi): Don't bother computing
566 d.perm[i] for i >= d.nelt. If not full_interleave, compute d.perm[i]
567 in a way that works also for AVX512BW.
570 * config/i386/i386.md (cvtsd2ss splitter): Unpack in destination
571 instead of source if operands[1] is xmm16 and above and
572 !TARGET_AVX512VL. Use avx512f_vec_dupv16sf_1 instead of
573 vec_interleave_lowv4sf if we need to unpack xmm16 and above.
576 * gimplify.c (gimplify_modify_expr): Call gimple_set_no_warning
577 on assign if (*from_p) is a comparison, set it to
578 TREE_NO_WARNING (*from_p).
580 2016-03-21 Jakub Jelinek <jakub@redhat.com>
583 * lra.c (restore_scratches): Ignore deleted insns.
585 2016-03-21 Marc Glisse <marc.glisse@inria.fr>
586 Jakub Jelinek <jakub@redhat.com>
588 PR tree-optimization/70317
589 * match.pd (cmp @0 @0): Pass @0 instead of TYPE_MODE (TREE_TYPE (@0))
592 2016-03-21 Uros Bizjak <ubizjak@gmail.com>
595 * config/i386/i386.md (movxi): Use ix86_expand_vector_move instead
598 (movti): Use general_operand for operand 1 predicate.
600 2016-03-21 Martin Liska <mliska@suse.cz>
602 * hsa-dump.c (dump_hsa_insn_1): dump default branch of SBR
604 (dump_hsa_symbol): Dump BRIG offset of hsa_symbols.
606 2016-03-21 Martin Liska <mliska@suse.cz>
609 * ipa-icf.c (sem_function::parse): Skip static
610 constructors and destructors.
612 2016-03-21 Jakub Jelinek <jakub@redhat.com>
615 * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If IDENT is
616 function-like macro, peek following token(s) if it is followed
617 by CPP_OPEN_PAREN token with optional padding in between, and
618 if not, don't treat it like a macro.
620 2016-03-21 Thomas Schwinge <thomas@codesourcery.com>
621 Alexander Monakov <amonakov@ispras.ru>
623 * config/nvptx/nvptx.c (nvptx_option_override): Don't emit sorry
624 for the stabs debug format.
626 2016-03-21 Richard Biener <rguenther@suse.de>
628 PR tree-optimization/70310
629 * tree-vect-generic.c (expand_vector_condition): Fold the built
632 2016-03-21 Kirill Yukhin <kirill.yukhin@intel.com>
635 * config/i386/sse.md: (define_insn "*vec_dup<mode>"/AVX2):
636 Block third alternative for AVX-512VL target,
638 2016-03-21 Martin Liska <mliska@suse.cz>
641 * hsa-brig.c (emit_function_directives): Mark unemitted
642 global variables for emission.
643 * hsa-gen.c (hsa_symbol::hsa_symbol): Initialize a new flag.
644 (get_symbol_for_decl): Likewise.
645 * hsa.h (struct hsa_symbol): New flag.
647 2016-03-21 Richard Biener <rguenther@suse.de>
649 PR tree-optimization/70288
650 * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Make sure
651 we do not estimate unsimplified all-constant conditionals or
652 switches as optimized away.
654 2016-03-21 Andrey Belevantsev <abel@ispras.ru>
656 PR rtl-optimization/69102
657 * sched-deps.c (sched_analyze_insn): Do not set last_args_size field
658 when we have a readonly dependency context.
660 2016-03-18 Jeff Law <law@redhat.com>
662 PR rtl-optimization/70263
663 * ira.c (memref_used_between_p): Assert we found END in the insn chain.
664 (update_equiv_regs): When trying to move a store to after the insn
665 that sets the source of the store, make sure the store occurs after
666 the insn that sets the source of the store. When successful note
667 the REG_EQUIV note created in the dump file.
669 2016-03-16 David Wohlferd <dw@LimeGreenSocks.com>
670 Bernd Schmidt <bschmidt@redhat.com>
672 * doc/extend.texi: Document more potential problems with basic asms.
674 2016-03-18 Bernd Schmidt <bschmidt@redhat.com>
676 PR rtl-optimization/70278
677 * lra-constraints.c (split_reg): Handle the case where biggest_mode is
680 2016-03-18 Jason Merrill <jason@redhat.com>
682 * calls.c (load_register_parameters): Fix zero size sibcall logic.
684 2016-03-18 Kirill Yukhin <kirill.yukhin@intel.com>
686 * config/i386/sse.md: Use vpbroadcastq for broadcasting DF
689 2016-03-18 Ilya Enkovich <enkovich.gnu@gmail.com>
691 PR tree-optimization/70252
692 * tree-vect-stmts.c (supportable_widening_operation): Check resulting
693 boolean vector has a proper number of elements.
694 (supportable_narrowing_operation): Likewise.
696 2016-03-18 Tom de Vries <tom@codesourcery.com>
699 * cgraph.c (cgraph_node::get_body): Set dump_file to NULL after save.
701 2016-03-18 Jakub Jelinek <jakub@redhat.com>
703 * reload1.c (emit_input_reload_insns): Use simplify_replace_rtx
704 instead of replace_rtx for DEBUG_INSNs.
706 2016-03-18 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
708 * config/i386/znver1.md : Fix latencies of FP/SSE/AVX
709 load type reservations.
711 2016-03-17 John David Anglin <danglin@gcc.gnu.org>
714 * config/pa/constraints.md: Revert 2015-02-13 change. Use
715 define_constraint for "Q" and "T" constraints.
717 2016-03-17 Evandro Menezes <e.menezes@samsung.com>
719 Tweak the pipeline model for Exynos M1
721 * config/aarch64/aarch64.c (exynosm1_tunings): Enable weak prefetching
724 2016-03-17 David Malcolm <dmalcolm@redhat.com>
727 * diagnostic-show-locus.c (compatible_locations_p): Handle the case
728 where one or both locations aren't within a line_map.
730 2016-03-17 H.J. Lu <hongjiu.lu@intel.com>
733 * opts.c (finish_options): Don't set flag_pie to the default if
734 -fpic, -fPIC, -fno-pic or -fno-PIC is used. Set flag_pic to 0
737 2016-03-17 Joern Rennecke <joern.rennecke@embecosm.com>
739 * config/i386/i386.md (*movv4qicc_insn+1..36): Pass
740 true as ALL_REGS argument to replace_rtx.
742 2016-03-17 Richard Biener <rguenther@suse.de>
745 * dwarf2out.c (dwarf2out_early_finish): Process deferred_asm_name
748 2016-03-17 Jakub Jelinek <jakub@redhat.com>
751 * rtl.h (replace_rtx): Add ALL_REGS argument.
752 * rtlanal.c (replace_rtx): Likewise. If true, use REGNO
753 equality and assert mode is the same, instead of just rtx pointer
755 * config/i386/i386.md (mov + arithmetics with load peephole): Pass
756 true as ALL_REGS argument to replace_rtx.
758 2016-03-17 Ilya Enkovich <enkovich.gnu@gmail.com>
760 * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Apply
761 for boolean vector with vector mode only.
762 (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
764 2016-03-17 Nick Clifton <nickc@redhat.com>
767 * config/rx/rx.c (rx_print_integer): Print negative constants in
770 2016-03-17 Jakub Jelinek <jakub@redhat.com>
773 * rtlanal.c (replace_rtx): Revert 2016-03-16 change.
775 2016-03-16 Richard Henderson <rth@redhat.com>
776 Richard Biener <rguenth@suse.de>
781 * gimplify.c (gimplify_expr) [VEC_COND_EXPR]: Gimplify the
782 first operand as is_gimple_condexpr.
787 2015-12-11 Eric Botcazou <ebotcazou@adacore.com>
788 * tree-vect-generic.c (tree_vec_extract): Remove GSI parameter.
789 Do not gimplify the result.
790 (do_unop): Adjust call to tree_vec_extract.
791 (do_binop): Likewise.
792 (do_compare): Likewise.
793 (do_plus_minus): Likewise.
794 (do_negate): Likewise.
795 (expand_vector_condition): Likewise.
798 2016-03-16 Richard Henderson <rth@redhat.com>
801 * config/aarch64/aarch64.c (virt_or_elim_regno_p): New.
802 (aarch64_classify_address): Use it.
803 (aarch64_legitimize_address): Force all subexpressions of PLUS
804 into registers. Simplify as (sfp+const)+reg or (reg+reg)+const.
806 2016-03-16 Jakub Jelinek <jakub@redhat.com>
807 Richard Biener <rguenth@suse.de>
810 * rtlanal.c (replace_rtx): For REG, if from is a REG,
811 return to even if only REGNO is equal, and assert
814 2016-03-11 Jeff Law <law@redhat.com>
816 PR rtl-optimization/70224
817 * reorg.c (relax_delay_slots): Pass right argument to CROSSING_JUMP_P.
819 2016-03-16 Richard Henderson <rth@redhat.com>
822 * function.h (struct function): Add has_forced_label_in_static.
823 * gimplify.c (force_labels_r): Set it.
824 * lto-streamer-in.c (input_struct_function_base): Read it.
825 * lto-streamer-out.c (output_struct_function_base): Write it.
826 * tree-inline.c (has_label_address_in_static_1): Remove.
827 (copy_forbidden): Remove fndecl parameter; test
828 has_forced_label_in_static.
829 (inline_forbidden_p): Update call to copy_forbidden.
830 (tree_versionable_function_p): Likewise.
831 * ipa-chkp.c (chkp_instrumentable_p): Likewise.
832 (chkp_versioning): Likewise.
833 * tree-inline.h (copy_forbidden): Update decl.
835 2016-03-16 Marek Polacek <polacek@redhat.com>
838 * cgraphunit.c (cgraph_node::expand_thunk): Also build call to the
839 function being thunked if the result type doesn't have fixed size.
840 * gimplify.c (gimplify_modify_expr): Also set LHS if the result type
841 doesn't have fixed size.
843 2016-03-16 Bin Cheng <bin.cheng@arm.com>
845 * tree-vect-loop.c (vect_analyze_loop_2): Fix wrong dump info by
846 reporting malformed loop nest.
848 2016-03-16 Tom de Vries <tom@codesourcery.com>
851 * ipa-devirt.c (possible_polymorphic_call_targets): Move
852 nodes.length () == 1 test to before first nodes[0] access.
854 2016-03-16 Tom de Vries <tom@codesourcery.com>
856 PR tree-optimization/68715
857 * graphite-scop-detection.c (scop_detection::merge_sese): Add missing
860 2016-03-16 Tom de Vries <tom@codesourcery.com>
862 PR tree-optimization/68809
863 * graphite-scop-detection.c (same_close_phi_node): Test if result types
866 2016-03-16 Carlos O'Donell <carlos@redhat.com>
867 Sandra Loosemore <sandra@codesourcery.com>
869 * doc/extend.texi (Common Function Attributes): Describe ifunc impact
870 on leaf attribute. Mention ELF interposition problems.
872 2016-03-16 Alan Modra <amodra@gmail.com>
874 PR rtl-optimization/69195
875 PR rtl-optimization/47992
876 * ira.c (indirect_jump_optimize): Ignore artificial defs.
879 2016-03-15 Eric Botcazou <ebotcazou@adacore.com>
882 * dwarf2out.c (flush_limbo_die_list): Really flush the limbo list.
884 2016-03-15 Senthil Kumar Selvaraj <senthil_kumar.selvaraj@atmel.com>
886 * config/avr/avr.md (rotl<mode>3): Set mode for operand 2.
888 2016-03-15 Jakub Jelinek <jakub@redhat.com>
890 PR rtl-optimization/70222
891 * combine.c (simplify_shift_const_1): For A >> B >> C LSHIFTRT
892 optimization if mode is different from result_mode, queue up masking
893 of the result in outer_op. Formatting fix.
896 * tree-ssa-sccvn.c (VN_INFO_GET): Use safe_grow_cleared instead
899 2016-03-15 Andrey Belevantsev <abel@ispras.ru>
901 PR rtl-optimization/69032
902 * sel-sched-ir.c (get_seqno_by_preds): Include both insn and head when
903 looping backwards over basic block insns.
905 2016-03-15 Andrey Belevantsev <abel@ispras.ru>
908 * sel-sched-ir.c (merge_expr): Avoid changing the speculative pattern
909 to non-speculative when propagating trap bits.
911 2016-03-15 Andrey Belevantsev <abel@ispras.ru>
913 PR rtl-optimization/63384
914 * sel-sched.c (invoke_aftermath_hooks): Do not decrease issue_more on
917 2016-03-15 Andrey Belevantsev <abel@ispras.ru>
920 * sched-deps.c (get_implicit_reg_pending_clobbers): New function,
921 factored out from ...
922 (sched_analyze_insn): ... here.
923 * sched-int.h (get_implicit_reg_pending_clobbers): Declare it.
924 * sel-sched-ir.c (setup_id_implicit_regs): New function, use
925 get_implicit_reg_pending_clobbers in it.
926 (setup_id_reg_sets): Use setup_id_implicit_regs.
927 (deps_init_id): Ditto.
929 2016-03-15 Tom de Vries <tom@codesourcery.com>
932 * cgraph.c (cgraph_node::get_body): Save, reset and restore
934 * passes.c (execute_one_ipa_transform_pass): Add missing argument to
935 execute_function_dump.
936 (execute_one_pass): Don't dump function if it will be dumped after ipa
939 2016-03-15 Segher Boessenkool <segher@kernel.crashing.org>
941 * genrecog.c (match_pattern_2): If pred is NULL don't call
942 safe_predicate_mode on it.
944 2016-03-14 Jakub Jelinek <jakub@redhat.com>
947 * lra-constraints.c (delete_move_and_clobber): Change assertion
948 to also allow dregno == 0.
950 2016-03-14 Richard Henderson <rth@redhat.com>
953 * tree-ssa-reassoc.c (ovce_extract_ops, optimize_vec_cond_expr): New.
954 (can_reassociate_p): Allow ANY_INTEGRAL_TYPE_P.
955 (reassociate_bb): Use optimize_vec_cond_expr; avoid
956 optimize_range_tests, attempt_builtin_copysign and attempt_builtin_powi
959 2016-03-14 Bernd Schmidt <bschmidt@redhat.com>
962 * lra-lives.c (process_bb_lives): Also update biggest mode for hard
964 (lra_create_live_ranges_1): initialize hard register biggest_mode to
966 * lra-constraints.c (split_reg): For hard regs, try to find the
967 biggest single-register mode used in the function.
969 2016-03-14 Richard Biener <rguenther@suse.de>
971 PR tree-optimization/56365
972 * tree-ssa-phiopt.c (minmax_replacement): Handle alternate
973 constants to compare against.
975 2016-03-14 Segher Boessenkool <segher@kernel.crashing.org>
978 * config/rs6000/rs6000.md (*ctr<mode>_internal1, *ctr<mode>_internal2,
979 *ctr<mode>_internal5, *ctr<mode>_internal6): Also allow "d" as output.
980 (define_split for the GPR case): Use int_reg_operand instead of
981 gpc_reg_operand for the output.
983 2016-03-14 Tom de Vries <tom@codesourcery.com>
985 PR tree-optimization/70045
986 * graphite-isl-ast-to-gimple.c (graphite_create_new_loop_guard): Unshare
987 create_empty_if_region_on_edge argument.
989 2016-03-13 Eric Botcazou <ebotcazou@adacore.com>
991 * config/arm/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Define.
992 (STACK_CHECK_PROTECT): Likewise.
993 * config/i386/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise
994 (STACK_CHECK_PROTECT): Likewise.
995 * config/rs6000/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise
996 (STACK_CHECK_PROTECT): Likewise.
997 * config/rs6000/vxworksae.h (STACK_CHECK_PROTECT): Likewise.
998 * config/sparc/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise.
999 (STACK_CHECK_PROTECT): Likewise.
1001 2016-03-12 Andrey Belevantsev <abel@ispras.ru>
1003 PR rtl-optimization/69307
1004 * sel-sched.c (choose_best_pseudo_reg): Properly check for hard
1005 registers in modes that span more than one register.
1007 2016-03-12 Vladimir Makarov <vmakarov@redhat.com>
1010 * lra-constraints.c (delete_move_and_clobber): New.
1011 (remove_inheritance_pseudos): Use it.
1013 2016-03-12 Eric Botcazou <ebotcazou@adacore.com>
1016 * calls.c (emit_library_call_value_1): Clear the ECF_NOTHROW flag if
1017 the libcall is LCT_THROW.
1018 * explow.c (probe_stack_range): Pass LCT_THROW to emit_library_call
1019 for the checking routine.
1021 2016-03-11 Michael Meissner <meissner@linux.vnet.ibm.com>
1024 * config/rs6000/rs6000.md (round32<mode>2_fprs): Do not do the
1025 optimization if we have direct move.
1026 (roundu32<mode>2_fprs): Likewise.
1028 2016-03-11 Bernd Schmidt <bschmidt@redhat.com>
1031 * lra-remat.c (operand_to_remat): Disallow hard regs in the value t
1033 (reg_overlap_for_remat_p): Renamed from input_regno_present_p.
1034 Arguments swapped. All callers changed. Take reg_renumber into
1035 account, and Calculate and compare register ranges for hard regs.
1037 2016-03-11 Jeff Law <law@redhat.com>
1039 PR tree-optimization/70190
1040 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
1041 Handle cases where we can not extract the taken edge, even though we
1042 found a constant value.
1044 PR tree-optimization/64058
1045 * tree-ssa-coalesce.c (struct coalesce_pair): Add new field INDEX.
1046 (num_coalesce_pairs): Move up earlier in file.
1047 (find_coalesce_pair): Initialize the INDEX field for each pair
1049 (compare_pairs): No longer sort on the elements in each pair.
1050 Instead break ties with the index of the coalesce pair.
1052 2016-03-11 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1055 * config/aarch64/aarch64-protos.h
1056 (aarch64_save_restore_target_globals): New prototype.
1057 * config/aarch64/aarch64-c.c (aarch64_pragma_target_parse):
1058 Call the above when popping pragma.
1059 * config/aarch64/aarch64.c (aarch64_save_restore_target_globals):
1061 (aarch64_set_current_function): Rewrite using the above.
1063 2016-03-11 Jakub Jelinek <jakub@redhat.com>
1065 PR tree-optimization/70177
1066 * gimple-expr.h (extract_ops_from_tree_1): Renamed to ...
1067 (extract_ops_from_tree): ... this. In the 2 argument
1068 overload remove _1 suffix.
1069 * gimple-expr.c (extract_ops_from_tree_1): Renamed to ...
1070 (extract_ops_from_tree): ... this.
1071 * gimple.c (gimple_build_assign, gimple_assign_set_rhs_from_tree):
1073 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Likewise.
1074 * tree-ssa-forwprop.c (defcodefor_name): Call 3 operand
1075 extract_ops_from_tree instead of 2 operand one.
1077 2016-03-11 Alan Lawrence <alan.lawrence@arm.com>
1079 PR tree-optimization/70013
1080 * tree-sra.c (analyze_access_subtree): Also set grp_unscalarized_data
1081 for constant-pool entries.
1083 2016-03-11 Jakub Jelinek <jakub@redhat.com>
1085 PR rtl-optimization/70174
1086 * expmed.c (store_bit_field_using_insv): Use gen_lowpart_if_possible
1087 followed by gen_lowpart on force_reg instead of just gen_lowpart.
1089 PR tree-optimization/70169
1090 * tree-ssa-loop.c (gen_lsm_tmp_name): Handle FUNCTION_DECL and
1091 LABEL_DECL like VAR_DECL. Emit nothing instead of gcc_unreachable
1094 2016-03-11 Ilya Enkovich <enkovich.gnu@gmail.com>
1095 Jakub Jelinek <jakub@redhat.com>
1098 * config/i386/i386.c (scalar_chain::convert_reg): Skip uses
1099 of uninitialized values.
1101 2016-03-11 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
1103 * config/s390/s390.md ("trunctddd2"): Turn former define_insn into
1105 ("*trunctddd2"): New pattern definition.
1106 ("trunctdsd2"): Set prep_for_short_prec rounding mode for the
1109 2016-03-11 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
1111 * config/s390/s390.md (BFP_RND_*, DFP_RND_*): Add new constant
1112 definitions for BFP and DFP rounding modes.
1113 ("fixuns_truncdddi2", "fixuns_trunctddi2")
1114 ("fixuns_trunc<BFP:mode><GPR:mode>2", "fixuns_trunc<mode>si2")
1115 ("fix_trunc<DSF:mode><GPR:mode>2", "fix_trunc<mode>di2")
1116 ("fix_trunctf<mode>2"): Use the new constants instead of magic
1119 2016-03-11 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
1121 * config/s390/constraints.md: Adjust comment.
1122 ("Y"): Adjust comment. Rename s390_decompose_shift_count to
1123 s390_decompose_addrstyle_without_index.
1124 * config/s390/predicates.md (shift_count_or_setmem_operand):
1125 Rename to setmem_operand.
1126 * config/s390/s390-protos.h
1127 (s390_decompose_shift_count): Rename to
1128 s390_decompose_addrstyle_without_index.
1129 * config/s390/s390.c (s390_decompose_shift_count)
1130 (s390_mem_constraint, print_shift_count_operand)
1131 (print_operand_address, print_operand): Rename
1132 s390_decompose_shift_count to
1133 s390_decompose_addrstyle_without_index and rename
1134 print_shift_count_operand to print_addrstyle_operand troughout the
1136 * config/s390/s390.md ("setmem_long_<P:mode>", "*setmem_long")
1137 ("*setmem_long_and", "*setmem_long_31z", "*setmem_long_and_31z"):
1138 Rename shift_count_or_setmem_operand to setmem_operand.
1139 * config/s390/vx-builtins.md ("vec_insert<mode>")
1140 ("vec_promote<mode>"): Replace shift_count_or_setmem_operand with
1143 2016-03-10 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1146 * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap):
1147 Handle overlapping retval and newval.
1149 2016-03-10 Nick Clifton <nickc@redhat.com>
1152 * config/aarch64/aarch64.c
1153 (aarch64_override_options_after_change_1): When forcing
1154 flag_omit_frame_pointer to be true, use a special value that can
1155 be detected if this function is called again, thus preventing
1156 flag_omit_leaf_frame_pointer from being forced to be false.
1158 2016-03-10 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1160 * common/config/aarch64/aarch64-common.c (aarch64_handle_option):
1161 Set x_flag_omit_leaf_frame_pointer when handling
1162 -momit-leaf-frame-pointer.
1164 2016-03-10 Jan Hubicka <hubicka@ucw.cz>
1167 * cgraph.c (cgraph_node::dump): Dump split_part and
1168 indirect_call_target.
1169 * cgraph.h (cgraph_node): Add indirect_call_target flag.
1170 * ipa.c (has_addr_references_p): Cleanup.
1171 (is_indirect_call_target_p): New.
1172 (walk_polymorphic_call_targets): Do not mark virtuals that may be
1173 called indirectly as local.
1174 (symbol_table::remove_unreachable_nodes): Compute indirect_call_target.
1176 2016-03-10 Jan Hubicka <hubicka@ucw.cz>
1179 * ipa-devirt.c (possible_polymorphic_call_targets): Do not ICE
1180 on cxa_pure_virtual.
1182 2016-03-10 Jan Hubicka <hubicka@ucw.cz>
1185 * tree.c (free_lang_data_in_decl): Clear visibility of TYPE_DECL.
1187 2016-03-10 Jan Hubicka <hubicka@ucw.cz>
1190 * tree.c (need_assembler_name_p): Only record main variant type names.
1192 2016-03-10 Christophe Lyon <christophe.lyon@linaro.org>
1195 * config/aarch64/aarch64.h (TARGET_FIX_ERR_A53_843419_DEFAULT):
1196 Always define to 0 or 1.
1197 (TARGET_FIX_ERR_A53_843419): New macro.
1198 * config/aarch64/aarch64-elf-raw.h
1199 (TARGET_FIX_ERR_A53_843419_DEFAULT): Update for above changes.
1200 * config/aarch64/aarch64-linux.h: Likewise.
1201 * config/aarch64/aarch64.c
1202 (aarch64_override_options_after_change_1): Do not default
1203 aarch64_nopcrelative_literal_loads to true if Cortex-A53 erratum
1205 (aarch64_attributes): Handle fix-cortex-a53-843419.
1206 (aarch64_can_inline_p): Likewise.
1207 * config/aarch64/aarch64.opt (aarch64_fix_a53_err843419): Save.
1209 2016-03-10 Alan Lawrence <alan.lawrence@arm.com>
1210 Jakub Jelinek <jakub@redhat.com>
1212 * common.opt (funconstrained-commons, flag_unconstrained_commons): New.
1213 * tree.c (array_at_struct_end_p): Do not limit to size of decl for
1214 DECL_COMMONS if flag_unconstrained_commons is set.
1215 * tree-dfa.c (get_ref_base_and_extent): Likewise.
1216 * doc/invoke.texi (Optimize Options): Add -funconstrained-commons.
1217 (funconstrained-commons): Document.
1219 2016-03-10 Christophe Lyon <christophe.lyon@linaro.org>
1221 * config/aarch64/t-aarch64 (OPTIONS_H_EXTRA): Add
1222 aarch64-fusion-pairs.def and aarch64-tuning-flags.def
1224 2016-03-10 Ilya Enkovich <enkovich.gnu@gmail.com>
1226 * tree-vect-stmts.c (vectorizable_mask_load_store): Check mask
1227 has a proper number of elements.
1229 2016-03-10 Alan Modra <amodra@gmail.com>
1231 PR rtl-optimization/69195
1232 PR rtl-optimization/47992
1233 * ira.c (recorded_label_ref): Delete.
1234 (update_equiv_regs): Return void.
1235 (indirect_jump_optimize): New function.
1236 (ira): Call indirect_jump_optimize and delete_trivially_dead_insns
1237 before regstat_compute_ri. Don't rebuild_jump_labels here.
1238 Delete update_regstat.
1240 2016-03-10 Richard Biener <rguenther@suse.de>
1242 PR tree-optimization/70128
1243 * tree-ssa-structalias.c (set_uids_in_ptset): Set
1244 vars_contains_nonlocal for any FUNCTION_DECL or LABEL_DECL.
1246 2016-03-09 Jakub Jelinek <jakub@redhat.com>
1248 PR tree-optimization/70152
1249 * tree-sra.c (replace_removed_params_ssa_names): Copy over
1250 SSA_NAME_OCCURS_IN_ABNORMAL_PHI from old_name to new_name.
1253 * config/i386/i386.md (truncdfsf2 splitter): Use gen_vec_concatv2df
1254 instead of gen_sse2_loadlpd.
1255 * config/i386/sse.md (*vec_concatv2df): Rename to...
1256 (vec_concatv2df): ... this.
1258 PR tree-optimization/70127
1259 * fold-const.c (operand_equal_p): Revert the 2015-10-28 change.
1261 2016-03-09 David Malcolm <dmalcolm@redhat.com>
1265 * diagnostic-show-locus.c (compatible_locations_p): New function.
1266 (layout::layout): Sanitize ranges using compatible_locations_p.
1268 2016-03-09 David Malcolm <dmalcolm@redhat.com>
1272 * diagnostic-show-locus.c (layout_range::layout_range): Replace
1273 location_range param with three const expanded_locations * and a
1275 (layout::layout): Replace call to
1276 rich_location::lazily_expand_location with get_expanded_location.
1277 Extract the range and perform location expansion here, passing
1278 the results to the layout_range ctor.
1279 * diagnostic.c (source_range::debug): Delete.
1280 * diagnostic.h (diagnostic_expand_location): Reimplement in terms
1281 of rich_location::get_expanded_location.
1282 * gcc-rich-location.c (get_range_for_expr): Delete.
1283 (gcc_rich_location::add_expr): Reimplement to avoid the
1284 rich_location::add_range overload that took a location_range,
1285 passing a location_t instead.
1287 2016-03-09 Richard Biener <rguenther@suse.de>
1288 Jakub Jelinek <jakub@redhat.com>
1290 PR tree-optimization/70138
1291 * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
1292 Also skip vect_double_reduction_def.
1294 2016-03-09 Jakub Jelinek <jakub@redhat.com>
1297 * config/i386/sse.md (*vec_extract<mode>): Use %0 instead of %k0
1298 if the operand is "m".
1300 2016-03-09 Nathan Sidwell <nathan@acm.org>
1302 * config/nvptx/nvptx.c (nvptx_option_override): Don't kill debug level.
1304 2016-03-09 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
1306 * config/i386/i386.c (processor_target_table): Fix cost table
1307 intialization order for znver1.
1309 2016-03-08 Jakub Jelinek <jakub@redhat.com>
1311 * ipa-polymorphic-call.c (walk_ssa_copies): Fix spelling
1312 - becuase -> because.
1313 * ipa-reference.c (ignore_module_statics): Likewise.
1314 * cgraph.c (cgraph_node::get_body): Likewise.
1315 * ipa-inline.c (early_inliner): Likewise.
1316 * ipa-devirt.c (types_same_for_odr): Likewise.
1317 * tree-streamer-out.c (pack_ts_type_common_value_fields): Likewise.
1318 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Likewise.
1320 2016-03-08 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1322 * tree-ssa-math-opts.c: Fix typo in comment.
1324 2016-03-08 Jakub Jelinek <jakub@redhat.com>
1327 * config/i386/i386.c (scalar_chain::make_vector_copies,
1328 scalar_chain::convert_reg): Call end_sequence in between
1329 get_insns and emit_conversion_insns rather than after both
1332 2016-03-07 Uros Bizjak <ubizjak@gmail.com>
1335 * config/i386/i386.h (machine_function): Add
1336 pc_thunk_call_expanded flag.
1337 (ix86_pc_thunk_call_expanded): New define.
1338 * config/i386/i386.md (set_got, set_got_labelled): New expanders.
1339 (*set_got): Rename insn pattern from set_got.
1340 (*set_got_labelled): Rename inst pattern from set_got_labelled.
1341 * config/i386/i386.c (ix86_compute_frame_layout): Use
1342 ix86_pc_thunk_call_expanded to prevent red-zone.
1344 2016-03-07 Martin Jambor <mjambor@suse.cz>
1346 * hsa.h (hsa_get_ctor_statements): Declare.
1347 (hsa_get_dtor_statements): Likewise.
1348 (hsa_get_kernel_dispatch_type): Likewise.
1349 * hsa.c (hsa_get_ctor_statements): New function.
1350 (hsa_get_dtor_statements): Likewise.
1351 (hsa_get_kernel_dispatch_type): Likewise.
1352 * hsa-brig.c (hsa_cdtor_statements): Removed.
1353 (hsa_output_libgomp_mapping): Use hsa_get_ctor_statements and
1354 hsa_get_dtor_statements.
1355 * hsa-gen.c (hsa_kernel_dispatch_type): Removed.
1356 (get_hsa_kernel_dispatch_offset): Use hsa_get_kernel_dispatch_type.
1358 2016-03-07 Andre Vieira <andre.simoesdiasvieira@arm.com>
1360 * config/arm/arm-cores.def (cortex-r8): New.
1361 * config/arm/arm-tables.opt (cortex-r8): Regenerate.
1362 * config/arm/arm-tune.md: Likewise.
1363 * gcc/doc/invoke.texi: Add cortex-r8 to list of cpu values.
1365 2016-03-07 Martin Sebor <msebor@redhat.com>
1367 PR rtl-optimization/19705
1368 * doc/invoke.texi (Options That Control Optimization): Clarify
1369 -fno-branch-count-reg.
1371 2016-02-26 Richard Biener <rguenther@suse.de>
1372 Jeff Law <law@redhat.com>
1374 PR tree-optimization/69740
1375 * cfghooks.c (remove_edge): Request loop fixups if we delete
1376 an edge that might turn an irreducible loop into a natural
1378 * cfgloop.h (check_verify_loop_structure): Clear LOOPS_NEED_FIXUP.
1379 Move after definition of loops_state_clear.
1381 2016-03-07 Bin Cheng <bin.cheng@arm.com>
1383 PR rtl-optimization/69052
1384 * rtlanal.c (commutative_operand_precedence): Set higher precedence
1387 2016-03-07 Tom de Vries <tom@codesourcery.com>
1389 PR tree-optimization/70116
1390 * tree-ssa-tail-merge.c (merge_stmts_p): New function, handling
1391 is_tm_ending stmts and ubsan/asan internal functions.
1392 (find_duplicate): Use it. Don't test is_tm_ending here.
1394 2016-03-07 Richard Biener <rguenther@suse.de>
1396 PR tree-optimization/70115
1397 * tree-ssa-loop-ivcanon.c (propagate_into_all_uses): Remove.
1398 (propagate_constants_for_unrolling): Use replace_uses_by.
1400 2016-03-07 Nathan Sidwell <nathan@codesourcery.com>
1403 * omp-low.c (struct oacc_loop): Add ifns.
1404 (new_oacc_loop_raw): Initialize it.
1405 (finish_oacc_loop): Clear mask & flags if no ifns.
1406 (oacc_loop_discover_walk): Count IFN_GOACC_LOOP calls.
1407 (oacc_loop_xform_loop): Add ifns arg & adjust.
1408 (oacc_loop_process): Adjust oacc_loop_xform_loop call.
1410 2016-03-07 Richard Henderson <rth@redhat.com>
1413 * tree-outofssa.c (emit_partition_copy): Flush pending stack adjust.
1414 (insert_value_copy_on_edge): Likewise.
1416 2016-03-07 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1418 * config/arm/arm_neon.h: Show error if using with soft-float ABI.
1420 2016-03-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1423 * config/i386/sol2.h (STACK_REALIGN_DEFAULT): Define.
1425 2016-03-05 Venkataramanan Kumar <Venkataramanan.kumar@amd.com>
1427 * config/i386/i386.c (znver1_cost): Fix Multiply cost.
1429 2016-03-05 Venkataramanan Kumar <Venkataramanan.kumar@amd.com>
1431 Fix sseimul type attribute.
1432 * config/i386/znver1.md
1433 (znver1_sseimul, znver1_sseimul_avx256, znver1_sseimul_load,
1434 znver1_sseimul_avx256_load) : Fix the type attribute.
1435 (znver1_sseimul_di, znver1_sseimul_load_di): Fix type attribute,
1436 pipe usage and latency.
1438 2016-03-05 Jakub Jelinek <jakub@redhat.com>
1441 * tree-inline.c (copy_tree_body_r): When cancelling ADDR_EXPR
1442 of INDIRECT_REF and ADDR_EXPR changed type, fold_convert it
1445 2016-03-04 Bernd Schmidt <bschmidt@redhat.com>
1448 * targhooks.c (default_vector_alignment): Limit to MAX_OFILE_ALIGNMENT.
1450 PR rtl-optimization/69941
1451 * postreload.c (reload_combine_recognize_pattern): Ensure all uses of
1452 the reg share its mode.
1454 2016-03-04 Jeff Law <law@redhat.com>
1456 PR tree-optimization/69196
1457 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
1458 If the both SSA_NAMEs are anonymous, then consider them unassociated
1459 and include the PHI in the statement count.
1461 2016-03-05 Tom de Vries <tom@codesourcery.com>
1463 * omp-low.c (check_omp_nesting_restrictions): Check for non-oacc
1464 construct in oacc routine. Check for oacc region in oacc routine.
1466 2016-03-04 Jakub Jelinek <jakub@redhat.com>
1469 * config/i386/i386.c (decide_alg): Add RECUR argument. Revert
1470 2016-02-22 changes, instead don't recurse if RECUR is already true.
1471 Don't change *dynamic_check if RECUR. Adjust recursive caller
1472 to pass true to the new argument.
1473 (ix86_expand_set_or_movmem): Adjust decide_alg caller.
1476 * config/i386/sse.md (vec_set_lo_<mode><mask_name>,
1477 <extract_type_2>_vinsert<shuffletype><extract_suf_2>_mask): Formatting
1479 (vec_set_hi_<mode><mask_name>): Likewise. Swap VEC_CONCAT operands.
1481 2016-03-04 Bernd Schmidt <bschmidt@redhat.com>
1483 PR rtl-optimization/57676
1484 * lra-assigns.c (lra_assign): Guard test for maximum iterations
1487 2016-03-04 Ilya Enkovich <enkovich.gnu@gmail.com>
1489 * tree-vect-patterns.c (search_type_for_mask): Handle
1490 comparison of booleans.
1492 2016-03-04 Jakub Jelinek <jakub@redhat.com>
1494 * doc/extend.texi (__builtin_alloca, __builtin_alloca_with_align):
1498 * dwarf2out.c (prune_unused_types_walk_loc_descr): Handle
1499 all other ops that have dw_val_class_die_ref operands,
1500 and DW_OP_GNU_entry_value.
1502 2016-03-03 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1504 PR rtl-optimization/69904
1505 * config/arm/arm.c (arm_cannot_copy_insn_p):
1506 Return true for load-exclusive instructions.
1508 2016-03-03 Jakub Jelinek <jakub@redhat.com>
1511 * tree-vect-stmts.c (vect_mark_relevant): Remove USED_IN_PATTERN
1512 argument, if STMT_VINFO_IN_PATTERN_P (stmt_info), always mark
1513 the pattern no matter if it is used just by non-pattern, pattern
1515 (process_use, vect_mark_stmts_to_be_vectorized): Adjust callers.
1516 * tree-vect-patterns.c (vect_recog_vector_vector_shift_pattern): If
1517 oprnd1 def_stmt is in pattern, don't look through it.
1519 2016-03-03 Marek Polacek <polacek@redhat.com>
1522 * match.pd (X % -Y): Add INTEGRAL_TYPE_P check.
1524 2016-03-03 Martin Liska <mliska@suse.cz>
1526 PR tree-optimization/70043
1527 * tree-vect-loop.c (optimize_mask_stores): Move iterator to
1528 previous statement if we see a debug statement.
1530 2016-03-03 Richard Biener <rguenther@suse.de>
1532 PR tree-optimization/55936
1533 * tree-vrp.c (compare_name_with_value): Add use_equiv_p
1534 parameter and guard unsafe equivalence use.
1535 (vrp_evaluate_conditional_warnv_with_ops): Always use
1536 safe equivalences but not via the quadratic compare_names
1539 2016-03-03 Michael Collison <michael.collison@linaro.org>
1542 * config/arm/arm.md (*subsi3_carryin_const): Change predicate
1543 for operand 1 to s_register_operand. Change predicate for operand
1544 2 to arm_not_immediate_operand.
1546 2016-03-02 H.J. Lu <hongjiu.lu@intel.com>
1548 * doc/tm.texi: Regenerated.
1550 2016-03-02 Richard Henderson <rth@redhat.com>
1553 * simplify-rtx.c (simplify_plus_minus): Allow reassoc without
1554 simplification when all args are positive non-fixed registers.
1556 2016-03-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1558 * target.def (lra_p): Specify that new ports should use LRA.
1560 2016-03-02 Jakub Jelinek <jakub@redhat.com>
1563 * gimplify.c (gimplify_decl_expr): For decls with REFERENCE_TYPE, also
1564 gimplify_type_sizes the type they refer to.
1565 (omp_notice_variable): Handle reference vars to VLAs.
1566 * omp-low.c (lower_omp_target): Emit setup of OMP_CLAUSE_PRIVATE
1567 reference to VLA decls in the second pass instead of first pass.
1569 2016-03-02 Tom de Vries <tom@codesourcery.com>
1571 PR tree-optimization/68659
1572 * graphite-isl-ast-to-gimple.c (collect_all_ssa_names): Handle
1573 new_expr == NULL_TREE.
1574 (get_new_name): Handle ADDR_EXPR.
1576 2016-03-02 Bin Cheng <bin.cheng@arm.com>
1578 PR rtl-optimization/69052
1579 * loop-invariant.c (canonicalize_address): New function.
1580 (inv_can_prop_to_addr_use): Check validity of address expression
1581 which is canonicalized by above function.
1583 2016-03-02 Alan Modra <amodra@gmail.com>
1586 * ipa-icf.c (sem_variable::merge): Do not merge an alias with
1589 2016-03-02 Jakub Jelinek <jakub@redhat.com>
1592 * config/i386/i386.md (kmovw): Move m constraint to 2nd alternative.
1593 (*movhi_internal): Put mask moves from and to memory separately
1594 from moves from/to GPRs.
1596 2016-03-02 Richard Biener <rguenther@suse.de>
1598 * genmatch.c (dt_node::gen_kids): Fix match code-gen for embedded
1599 GENERIC expressions in GIMPLE.
1601 2016-03-02 Richard Biener <rguenther@suse.de>
1603 * config/i386/i386.c (type_natural_mode): Fix typo.
1605 2016-03-02 Nick Clifton <nickc@redhat.com>
1607 * config.gcc (mep-*-elf): Add newlib-stdint.h to tm_file.
1609 2016-03-02 Richard Biener <rguenther@suse.de>
1610 Uros Bizjak <ubizjak@gmail.com>
1613 * config/i386/i386.c (type_natural_mode): Handle XFmode vectors.
1615 2016-03-02 Richard Biener <rguenther@suse.de>
1618 * tree-cfg.c (verify_expr): Adjust BIT_FIELD_REF case.
1620 2016-03-02 Marek Polacek <polacek@redhat.com>
1623 * gimplify.c (gimplify_va_arg_expr): Use expanded location for the
1624 "is promoted to" warning.
1626 2016-03-01 DJ Delorie <dj@redhat.com>
1628 * config.gcc: Deprecate mep-*.
1630 2016-03-01 Vladimir Makarov <vmakarov@redhat.com>
1633 * lra-constraints.c (regno_val_use_in): New.
1634 (match_reload): Use it instead of regno_use_in.
1636 2016-03-01 Eric Botcazou <ebotcazou@adacore.com>
1638 PR rtl-optimization/70007
1639 * gcse.c (compute_ld_motion_mems): Tidy up and also invalidate memory
1640 references present in REG_EQUAL notes attached to non-SET patterns.
1642 2016-03-01 Jeff Law <law@redhat.com>
1644 PR tree-optimization/69196
1645 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
1646 Appropriately clamp the number of statements to copy when the
1647 thread path does not traverse a loop backedge.
1649 PR tree-optimization/69196
1650 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
1651 Do count some PHIs in the thread path against the insn count. Decrease
1652 final statement count by one as the control statement in the last
1653 block will get removed. Remove special cased code for handling PHIs
1656 2016-03-01 Uros Bizjak <ubizjak@gmail.com>
1659 * config/i386/i386.c (ix86_output_call_insn): Add -masm=intel
1660 asm dialect alternatives to explicit GOTPCREL calls.
1662 2016-03-01 Eric Botcazou <ebotcazou@adacore.com>
1665 * ira.c (do_reload): Issue warning for generic stack checking here...
1666 * reload1.c (reload): ...instead of here and streamline it.
1668 2016-03-01 Nick Clifton <nickc@redhat.com>
1670 * config.gcc (cr16-*-elf): Add newlib-stdint.h to tm_file.
1672 2016-03-01 Richard Biener <rguenther@suse.de>
1674 PR tree-optimization/69983
1675 * tree-chrec.c (eq_evolutions_p): Handle conversions, compare
1676 types and fall back to operand_equal_p.
1678 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
1681 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
1683 * config/s390/constraints.md ("jm8"): New constraint.
1684 * config/s390/predicates.md ("const_int_8bitset_operand"): New
1686 * config/s390/s390.md ("*setmem_long", "*setmem_long_and"): Merge
1688 ("*setmem_long<setmem_and>"): New pattern.
1689 ("*setmem_long_31z", "*setmem_long_and_31z"): Merge
1691 ("*setmem_long_31z<setmem_and>"): New pattern.
1692 * config/s390/subst.md ("setmem_31z_subst", "setmem_and_subst"):
1693 New substitution rules with the required attributes.
1696 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
1699 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
1701 * gensupport.c (process_substs_on_one_elem): Split loop to
1702 complete mark_operands_used_in_match_dup on all expressions in the
1704 (adjust_operands_numbers): Inline into process_substs_on_one_elem
1705 and remove function.
1707 2016-03-01 Richard Biener <rguenther@suse.de>
1710 * fold-const.c (fold_indirect_ref_1): Fix range checking for
1711 vector BIT_FIELD_REF extract.
1713 2016-03-01 Richard Biener <rguenther@suse.de>
1715 PR tree-optimization/69994
1716 * tree-ssa-reassoc.c (ops_equal_values_p): Handle missing case.
1718 2016-03-01 Ilya Enkovich <enkovich.gnu@gmail.com>
1720 PR tree-optimization/69956
1721 * tree-vect-stmts.c (supportable_widening_operation): Support
1722 multi-step conversion of boolean vectors.
1723 (supportable_narrowing_operation): Likewise.
1725 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
1727 * config/s390/s390.c (s390_decompose_address): Don't accept SImode
1730 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
1732 * config/s390/subst.md (DSI_VI): New mode iterator.
1733 ("addr_style_op_subst"): Use DSI_VI instead of DSI.
1734 * config/s390/vector.md ("vec_set<mode>"): Move expander before
1735 the insn definition.
1736 ("*vec_set<mode>"): Change predicate and add alternative to
1737 support only either register or const_int operands as element
1739 ("*vec_set<mode>_plus"): New pattern to support reg + const_int
1741 ("vec_extract<mode>"): New expander.
1742 ("*vec_extract<mode>"): New insn definition supporting reg and
1743 const_int element selectors.
1744 ("*vec_extract<mode>_plus"): New insn definition supporting
1745 reg+const_int element selectors.
1746 ("rotl<mode>3", "ashl<mode>3", "ashr<mode>3"): Merge into the
1747 following expander+insn definition.
1748 ("<vec_shifts_name><mode>3"): New expander.
1749 ("*<vec_shifts_name><mode>3<addr_style_op>"): New insn definition.
1751 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
1753 * config/s390/s390.md ("*tabort_1"): Change predicate to
1754 nonmemory_operand. Add a second alternative to cover
1755 register as well as const int operands.
1756 ("*tabort_1_plus"): New pattern definition.
1758 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
1760 * config/s390/s390.md ("*ashrdi3_cc_31")
1761 ("*ashrdi3_cconly_31""*ashrdi3_cc_31_and")
1762 ("*ashrdi3_cconly_31_and", "*ashrdi3_31_and", "*ashrdi3_31"):
1763 Merge insn definitions into ...
1764 ("*ashrdi3_31<addr_style_op_cc><masked_op_cc><setcc><cconly>"):
1765 New pattern definition.
1766 ("*ashr<mode>3_cc", "*ashr<mode>3_cconly", "ashr<mode>3", )
1767 ("*ashr<mode>3_cc_and", "*ashr<mode>3_cconly_and")
1768 ("*ashr<mode>3_and"): Merge insn definitions into ...
1769 ("*ashr<mode>3<addr_style_op_cc><masked_op_cc><setcc><cconly>"):
1770 New pattern definition.
1771 * config/s390/subst.md ("addr_style_op_cc_subst")
1772 ("masked_op_cc_subst", "setcc_subst", "cconly_subst"): New
1773 substitutions patterns plus attributes.
1774 Add ashiftrt to SUBST iterator.
1776 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
1778 * config/s390/s390.md ("<shift><mode>3"): Change predicate of
1779 op2 to nonmemory_operand.
1780 ("*<shift>di3_31", "*<shift>di3_31_and"):
1781 Merge into single pattern definition ...
1782 ("*<shift>di3_31<addr_style_op><masked_op>"): New pattern.
1783 ("*<shift><mode>3", "*<shift><mode>3_and"): Merge into single
1784 pattern definition ...
1785 ("*<shift><mode>3<addr_style_op><masked_op>"): New pattern.
1786 * config/s390/subst.md: Add ashift and lshiftrt to SUBST
1789 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
1791 * config/s390/predicates.md (const_int_6bitset_operand): New
1793 * config/s390/s390.md: Include subst.md.
1794 ("rotl<mode>3"): New expander.
1795 ("rotl<mode>3", "*rotl<mode>3_and"): Merge insn definitions into
1797 ("*rotl<mode>3<addr_style_op><masked_op>"): New insn definition.
1798 * config/s390/subst.md: New file.
1800 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
1802 * config/s390/s390.md ("op_type", "atype", "length" attributes):
1803 Remove RRR type. It doesn't really exist.
1804 ("RRer", "f0", "v0", "vf", "vd", "op1", "Rf"): Remove mode
1806 ("BFP", "DFP", "nDSF", "nDFDI"): Add mode attributes.
1807 ("*cmp<mode>_ccs", "floatdi<mode>2", "add<mode>3")
1808 ("*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3")
1809 ("*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3")
1810 ("fma<mode>4", "fms<mode>4", "div<mode>3", "*neg<mode>2")
1811 ("*abs<mode>2", "*negabs<mode>2", "sqrt<mode>2"): Override
1812 `enabled' attribute.
1814 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
1816 * gensupport.c (process_substs_on_one_elem): Split loop to
1817 complete mark_operands_used_in_match_dup on all expressions in the
1819 (adjust_operands_numbers): Inline into process_substs_on_one_elem
1820 and remove function.
1822 2016-02-29 Eric Botcazou <ebotcazou@adacore.com>
1825 * config/sparc/sparc.c (NWORDS_UP): Rename to...
1826 (CEIL_NWORDS): ...this. Use CEIL macro.
1827 (compute_fp_layout): Adjust to above renaming.
1828 (function_arg_union_value): Likewise.
1829 (sparc_arg_partial_bytes): Likewise.
1830 (sparc_function_arg_advance): Likewise.
1832 2016-02-29 Jeff Law <law@redhat.com>
1834 PR tree-optimization/70005
1835 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Handle case
1836 where an object with a boolean range is compared against a value
1839 PR tree-optimization/69999
1840 * gimple-ssa-split-paths.c (split_paths): When duplicating a block
1841 with an outgoing edge marked with EDGE_IRREDUCIBLE_LOOP, schedule
1844 2016-02-29 Richard Biener <rguenther@suse.de>
1846 PR tree-optimization/69994
1847 * tree-ssa-reassoc.c (gimple_nop_conversion_p): New function.
1848 (get_unary_op): Look through nop conversions.
1849 (ops_equal_values_p): New function, look for equality diregarding
1851 (eliminate_plus_minus_pair): Use ops_equal_values_p
1852 (repropagate_negates): Do not use get_unary_op here.
1854 2016-02-29 Martin Liska <mliska@suse.cz>
1856 * system.h: Poison ENABLE_CHECKING macro.
1858 2016-02-29 Martin Liska <mliska@suse.cz>
1860 * hsa-gen.c (gen_body_from_gimple): Dump only if TDF_DETAILS
1861 is presented in dump flags.
1862 * hsa-regalloc.c (linear_scan_regalloc): Likewise.
1863 (hsa_regalloc): Likewise.
1865 2016-02-19 Richard Biener <rguenther@suse.de>
1867 PR tree-optimization/69980
1868 * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Update
1869 permutation of those we need to keep.
1871 2016-02-29 Eric Botcazou <ebotcazou@adacore.com>
1874 * config/sparc/sparc.c (ROUND_ADVANCE): Rename to...
1875 (NWORDS_UP): ...this
1876 (init_cumulative_args): Minor tweaks.
1877 (sparc_promote_function_mode): Likewise.
1878 (scan_record_type): Delete.
1879 (traverse_record_type): New function template.
1880 (classify_data_t): New structure type.
1881 (classify_registers): New inline function.
1882 (function_arg_slotno): In 64-bit mode, bail out early if FP slots are
1883 exhausted. Instantiate traverse_record_type on classify_registers and
1884 deal with the case of a structure passed in slot #15 with no FP field
1886 (assign_data_t): New structure type.
1887 (compute_int_layout): New static function.
1888 (compute_fp_layout): Likewise.
1889 (count_registers): New inline function.
1890 (assign_int_registers): New static function.
1891 (assign_fp_registers): Likewise.
1892 (assign_registers): New inline function.
1893 (function_arg_record_value_1): Delete.
1894 (function_arg_record_value_2): Likewise.
1895 (function_arg_record_value_3): Likewise.
1896 (function_arg_record_value): Adjust to above changes. Instantiate
1897 traverse_record_type on count_registers to first count the number of
1898 registers to be used and then on assign_registers to assign them.
1899 (function_arg_union_value): Adjust to above renaming.
1900 (sparc_function_arg_1); Minor tweaks. Remove commented out code.
1901 (sparc_arg_partial_bytes): Adjust to above renaming. Deal with the
1902 case of a structure passed in slot #15
1903 (sparc_function_arg_advance): Likewise.
1904 (function_arg_padding): Minor tweak.
1906 2016-02-29 Richard Biener <rguenther@suse.de>
1908 PR tree-optimization/69720
1909 * tree-vect-loop.c (get_initial_def_for_reduction): Avoid
1910 the adjustment_def path for possibly vectorized defs.
1911 (vect_create_epilog_for_reduction): Handle vectorized initial
1914 2016-02-28 Eric Botcazou <ebotcazou@adacore.com>
1916 * config/i386/cygming.h (STACK_REALIGN_DEFAULT): Define.
1918 2016-02-27 Jeff Law <law@redhat.com>
1921 2016-02-26 Richard Biener <rguenther@suse.de>
1922 Jeff Law <law@redhat.com>
1924 PR tree-optimization/69740
1925 * cfghooks.c (remove_edge): Request loop fixups if we delete
1926 an edge that might turn an irreducible loop into a natural
1929 2016-02-27 Jakub Jelinek <jakub@redhat.com>
1931 PR rtl-optimization/69896
1932 * tree-vect-generic.c (get_compute_type): Avoid single element
1935 2016-02-26 Evandro Menezes <e.menezes@samsung.com>
1937 Rename the AArch64 tuning option and related functions to enable the
1938 Newton series for the reciprocal square root to reflect its
1939 approximative characteristic.
1941 * config/aarch64/aarch64-protos.h (aarch64_emit_swrsqrt): Rename
1942 function to "aarch64_emit_approx_rsqrt".
1943 * config/aarch64/aarch64-tuning-flags.def: Rename tuning flag to
1944 AARCH64_EXTRA_TUNE_APPROX_RSQRT.
1945 * config/aarch64/aarch64.c (exynosm1_tunigs): Use new flag name.
1946 (xgene1_tunings): Likewise.
1947 (use_rsqrt_p): Likewise.
1948 (aarch64_emit_swrsqrt): Use new function name.
1949 * config/aarch64/aarch64-simd.md (aarch64_rsqrts_*): Likewise.
1950 * config/aarch64/aarch64.opt (mlow-precision-recip-sqrt): Reword the
1951 text explaining this option.
1952 * doc/invoke.texi (-mlow-precision-recip-sqrt): Likewise.
1954 2016-02-26 Jakub Jelinek <jakub@redhat.com>
1957 * config/rs6000/rs6000.c (rs6000_option_override_internal): Don't
1958 complain about -mallow-movmisalign without -mvsx if
1959 TARGET_ALLOW_MOVMISALIGN was not set explicitly.
1961 2016-02-26 Joel Sherrill <joel@rtems.org>
1963 * config.gcc: Add x86_64-*-rtems*.
1964 * gcc/config/i386/rtems-64.h: New file.
1966 2016-02-26 Joel Sherrill <joel@rtems.org>
1968 * config.gcc: Add aarch64-*-rtems*.
1969 * gcc/config/aarch64/rtems.h: New file.
1971 2016-02-26 Segher Boessenkool <segher@kernel.crashing.org>
1974 * config/rs6000/rs6000.c (rs6000_insn_for_shift_mask): Print rlwinm
1975 shift amount using %h. Add comment.
1977 2016-02-26 Richard Biener <rguenther@suse.de>
1978 Jeff Law <law@redhat.com>
1980 PR tree-optimization/69740
1981 * cfghooks.c (remove_edge): Request loop fixups if we delete
1982 an edge that might turn an irreducible loop into a natural
1985 2016-02-26 Martin Jambor <mjambor@suse.cz>
1988 * tree-sra.c (sra_modify_assign): Do not remove loads of
1989 uninitialized aggregates to SSA_NAMEs.
1991 2016-02-26 Richard Henderson <rth@redhat.com>
1994 * config/s390/s390.md (risbg and risbgn splitters): Allocate new
1995 pseudo in case the target rtx matches the source of the left
1998 2016-02-26 Martin Jambor <mjambor@suse.cz>
2001 * hsa.h (hsa_type_packed_p): Declare.
2002 * hsa.c (hsa_type_packed_p): New function.
2003 * hsa-gen.c (mem_type_for_type): Use unsigned type for packed
2005 (gen_hsa_insns_for_store): Use hsa_type_packed_p.
2006 * hsa-brig.c (emit_basic_insn): Likewise.
2008 2016-02-26 Martin Jambor <mjambor@suse.cz>
2011 * hsa-gen.c (gen_hsa_phi_from_gimple_phi): Use proper hsa type for
2013 (gen_hsa_addr): Allow integer constants in TMR_INDEX2.
2015 2016-02-26 Martin Jambor <mjambor@suse.cz>
2017 * hsa.h (is_a_helper): New overload for hsa_op_immed for
2018 hsa_op_with_type operands.
2019 (hsa_unsigned_type_for_type): Declare.
2020 * hsa.c (hsa_unsigned_type_for_type): New function.
2021 * hsa-gen.c (gen_hsa_binary_operation): Use hsa_unsigned_type_for_type.
2022 (gen_hsa_insns_for_operation_assignment): Satisfy constrains of
2023 the finalizer. Do not emit extra move.
2025 2016-02-26 Martin Jambor <mjambor@suse.cz>
2027 * hsa-gen.c (gen_hsa_ternary_atomic_for_builtin): Fail in presence of
2028 atomic operations in private segment.
2030 2016-02-26 Martin Jambor <mjambor@suse.cz>
2032 * omp-low.c (grid_find_ungridifiable_statement): Store problematic
2033 statements to wi->info. Also disallow omp simd constructs.
2034 (grid_target_follows_gridifiable_pattern): Use wi.info to dump reason
2035 for not gridifying. Dump special string for omp_for.
2037 2016-02-26 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
2040 * config/aarch64/aarch64.c (aarch64_set_current_function):
2041 Save/restore target globals when switching to
2042 target_option_default_node.
2044 2016-02-26 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
2047 * config/aarch64/aarch64.c (aarch64_shift_truncation_mask):
2048 Return 0 if !SHIFT_COUNT_TRUNCATED.
2050 2016-02-26 Jakub Jelinek <jakub@redhat.com>
2051 Eric Botcazou <ebotcazou@adacore.com>
2053 PR rtl-optimization/69891
2054 * dse.c (scan_insn): If we can't figure out memset arguments
2055 or they are non-constant, call clear_rhs_from_active_local_stores.
2057 2016-02-26 Martin Liska <mliska@suse.cz>
2059 * doc/extend.texi: Mention clog10, clog10f an clog10l
2060 in Builtins section.
2062 2016-02-26 Martin Liska <mliska@suse.cz>
2064 * dwarf2out.c (new_loc_descr): Replace ENABLE_CHECKING with
2066 (resolve_args_picking_1): Likewise.
2067 * dwarf2out.h (struct GTY): Likewise.
2069 2016-02-26 Martin Liska <mliska@suse.cz>
2071 * hsa-gen.c (generate_hsa): Replace ENABLE_CHECKING macro
2073 * hsa-regalloc.c (linear_scan_regalloc): Likewise.
2075 2016-02-26 Markus Trippelsdorf <markus@trippelsdorf.de>
2076 Martin Liska <mliska@suse.cz>
2078 * doc/install.texi: Mention --enable-valgrind-annotations.
2080 2016-02-26 Richard Biener <rguenther@suse.de>
2082 PR tree-optimization/69551
2083 * tree-ssa-structalias.c (get_constraint_for_ssa_var): When
2084 looking through aliases adjust DECL_PT_UID to refer to the
2085 ultimate alias target.
2087 2016-02-25 Martin Liska <mliska@suse.cz>
2090 * alloc-pool.c (after_memory_report): New variable.
2091 * alloc-pool.h (base_pool_allocator ::release): Do not use
2092 the infrastructure if after_memory_report.
2093 * toplev.c (toplev::main): Mark after memory report.
2095 2016-02-25 Richard Biener <rguenther@suse.de>
2097 PR tree-optimization/48795
2098 * tree-vrp.c (check_array_ref): Use array_at_struct_end_p.
2100 2016-02-25 Ilya Verbin <ilya.verbin@intel.com>
2103 * config/gnu-user.h (CRTOFFLOADBEGIN): Define. Add crtoffloadbegin.o if
2104 offloading is enabled and -fopenacc or -fopenmp is specified.
2105 (CRTOFFLOADEND): Likewise.
2106 (GNU_USER_TARGET_STARTFILE_SPEC): Add CRTOFFLOADBEGIN.
2107 (GNU_USER_TARGET_ENDFILE_SPEC): Add CRTOFFLOADEND.
2108 * lto-wrapper.c (offloadbegin, offloadend): Remove static vars.
2109 (offload_objects_file_name): New static var.
2110 (tool_cleanup): Remove offload_objects_file_name file.
2111 (find_offloadbeginend): Replace with ...
2112 (find_crtoffloadtable): ... this.
2113 (run_gcc): Remove offload_argc and offload_argv.
2114 Get offload_objects_file_name from -foffload-objects=... option.
2115 Read names of object files with offload from this file, pass them to
2116 compile_images_for_offload_targets. Don't call find_offloadbeginend and
2117 don't pass offloadbegin and offloadend to the linker. Don't pass
2118 offload non-LTO files to the linker, because now they're not claimed.
2120 2016-02-25 Jan Hubicka <hubicka@ucw.cz>
2123 * ipa-devirt.c (possible_polymorphic_call_targets): Do not ICE
2124 on builtin_unreachable.
2126 2016-02-25 Jakub Jelinek <jakub@redhat.com>
2128 PR rtl-optimization/69896
2129 * regcprop.c: Include cfgrtl.h.
2130 (copyprop_hardreg_forward_1): If noop_p insn uses narrower
2131 than remembered mode, either delete it (if noop_move_p), or
2132 treat like copy_p but not noop_p instruction.
2134 2016-02-24 Jakub Jelinek <jakub@redhat.com>
2137 * dwarf2out.c (gen_variable_die): Work around buggy LTO
2138 - allow NULL decl for Fortran DW_TAG_common_block variables.
2140 2016-02-24 Jason Merrill <jason@redhat.com>
2142 * common.opt (flifetime-dse): Add -flifetime-dse=1.
2144 2016-02-24 Richard Biener <rguenther@suse.de>
2145 Jakub Jelinek <jakub@redhat.com>
2148 * tree-scalar-evolution.c (interpret_rhs_expr): Re-write
2149 conditionally executed ops to well-defined overflow behavior.
2151 2016-02-24 Jakub Jelinek <jakub@redhat.com>
2154 * tree.c (build_vector_from_ctor): Fix handling of VECTOR_CST
2157 2016-02-24 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
2159 PR rtl-optimization/69886
2160 * gcse.c (can_assign_to_reg_without_clobbers_p): Accept mode
2161 argument. Use it when checking validity of set instructions.
2162 (want_to_gcse_p): Pass mode to can_assign_to_reg_without_clobbers_p.
2163 (compute_ld_motion_mems): Update can_assign_to_reg_without_clobbers_p
2165 * rtl.h (can_assign_to_reg_without_clobbers_p): Update prototype.
2166 * store-motion.c (find_moveable_store): Update
2167 can_assign_to_reg_without_clobbers_p callsite.
2169 2016-02-24 Richard Biener <rguenther@suse.de>
2172 * tree-ssa-loop-niter.c (derive_constant_upper_bound_ops): Fix
2174 (record_nonwrapping_iv): Do not fall back to the low/high bound
2175 for non-constant IV bases if the stmt is not always executed.
2177 2016-02-24 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
2179 * config/arm/arm-cores.def (cortex-a32): New entry.
2180 * config/arm/arm-tables.opt: Regenerate.
2181 * config/arm/arm-tune.md: Regenerate.
2182 * config/arm/bpabi.h (BE8_LINK_SPEC): Add mcpu=cortex-a32.
2183 * config/arm/t-aprofile: Handle mcpu=cortex-a32.
2184 * doc/invoke.texi (ARM Options): Document cortex-a32 as value
2185 for -mcpu and -mtune.
2187 2016-02-24 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
2190 * config/arm/arm.h (TARGET_HAVE_LPAE): Define.
2191 * config/arm/unspecs.md (VUNSPEC_LDRD_ATOMIC): New value.
2192 * config/arm/sync.md (arm_atomic_loaddi2_ldrd): New pattern.
2193 (atomic_loaddi_1): Delete.
2194 (atomic_loaddi): Rewrite expander using the above changes.
2196 2016-02-24 Jakub Jelinek <jakub@redhat.com>
2199 * params.def (PARAM_MAX_SSA_NAME_QUERY_DEPTH): Bump default from
2202 2016-02-24 Jakub Jelinek <jakub@redhat.com>
2203 Richard Biener <rguenth@suse.de>
2206 * expr.c (expand_expr_real_1) <normal_inner_ref>: Avoid
2207 set_mem_attributes if tem is SSA_NAME which got expanded
2210 2016-02-24 Richard Biener <rguenther@suse.de>
2212 PR tree-optimization/69907
2213 * tree-vect-stmts.c (vectorizable_load): Check for gaps at the
2214 end of permutations for BB vectorization.
2216 2016-02-24 Christian Bruel <christian.bruel@st.com>
2218 * config/arm/arm-c.c (arm_option_override): Initialize
2219 target_option_current_node.
2220 * config/arm/arm.c (arm_pragma_target_parse): Replace
2221 build_target_option_node call by target_option_current_node.
2222 Set target_option_current_node.
2225 2016-02-23 David Edelsohn <dje.gcc@gmail.com>
2228 * config/rs6000/rs6000.md (zero_extendqi<mode>2_dot): Convert from
2229 define_insn_and_split to define_insn.
2230 (zero_extendqi<mode>2_dot2): Same.
2231 (extendqi<mode>2_dot): Same.
2232 (extendqi<mode>2_dot2): Same.
2234 2016-02-23 Evandro Menezes <e.menezes@samsung.com>
2236 * config/arm/exynos-m1.md: Change cost of STP, fix bypass for stores
2237 and add bypass for AES{D,E} and AESMC pairs.
2238 * config/aarch64/aarch64.c (exynosm1_tunings): Enable fusion of AES{D,E}
2241 2016-02-23 Evandro Menezes <e.menezes@samsung.com>
2243 * config/aarch64/aarch64.c (exynosm1_tunings): Enable the Newton
2244 series for reciprocal square root in Exynos M1.
2246 2016-02-23 Martin Sebor <msebor@redhat.com>
2249 * doc/extend.texi (Other Builtins): Document __builtin_alloca and
2250 __builtin_alloca_with_align.
2252 2016-02-23 Richard Henderson <rth@redhat.com>
2254 * config/i386/i386-c.c (ix86_target_macros): Remove __SEG_TLS.
2255 (ix86_register_pragmas): Remove __seg_tls.
2256 * config/i386/i386-protos.h (ADDR_SPACE_SEG_TLS): Remove.
2257 * config/i386/i386.c (ix86_print_operand_address_as): Don't handle it.
2258 (ix86_addr_space_subset_p, TARGET_ADDR_SPACE_SUBSET_P): Remove.
2259 (ix86_addr_space_convert, TARGET_ADDR_SPACE_CONVERT): Remove.
2260 (ix86_addr_space_debug, TARGET_ADDR_SPACE_DEBUG): Remove.
2261 * doc/extend.texi (__seg_tls): Remove item.
2263 2016-02-23 Richard Biener <rguenther@suse.de>
2265 * alloc-pool.h (struct allocation_object): Make id member
2266 conditional on CHECKING_P again.
2267 (get_instance): Adjust.
2268 (base_pool_allocator): Likewise.
2270 2016-02-23 Thomas Schwinge <thomas@codesourcery.com>
2272 * tree-parloops.c (create_parallel_loop, gen_parallel_loop)
2273 (parallelize_loops): In OpenACC kernels mode, set n_threads to
2275 (pass_parallelize_loops::gate): In OpenACC kernels mode, gate on
2277 * tree-ssa-loop.c (gate_oacc_kernels): Likewise.
2279 2016-02-23 Richard Biener <rguenther@suse.de>
2281 * mem-stats.h (struct mem_usage): Use PRIu64 for printing size_t.
2282 * bitmap.h (struct bitmap_usage): Likewise.
2283 (bitmap_move): Declare.
2284 * bitmap.c (register_overhead): Take size_t argument.
2285 (bitmap_move): New function.
2286 * df-problems.c (df_rd_transfer_function): Use bitmap_move
2287 to properly account overhead.
2288 * tree.c (free_node): Use tree_size.
2290 2016-02-23 Jakub Jelinek <jakub@redhat.com>
2293 * fold-const.c (fold_truth_not_expr): Propagate TREE_NO_WARNING
2294 when inverting comparison.
2297 * common.opt (Wunreachable-code): Add Warning flag.
2299 2016-02-23 Mark Wielaard <mjw@redhat.com>
2300 Jakub Jelinek <jakub@redhat.com>
2303 * cgraphunit.c (check_global_declaration): Check main_input_filename
2304 and DECL_SOURCE_FILE are not NULL.
2306 2016-02-23 Martin Jambor <mjambor@suse.cz>
2308 PR tree-optimization/69666
2309 * tree-sra.c (sra_modify_assign): Do not attempt to create
2310 default_def replacements for unscalarizable regions.
2312 2016-02-20 Mark Wielaard <mjw@redhat.com>
2315 * cgraphunit.c (check_global_declaration): Check level of
2316 warn_unused_const_variable and main_input_filename.
2317 * doc/invoke.texi (Warning Options): Add -Wunused-const-variable=.
2318 (-Wunused-variable): For C implies -Wunused-const-variable=1.
2319 (-Wunused-const-variable): Explain levels 1 and 2.
2321 2016-02-22 Jakub Jelinek <jakub@redhat.com>
2324 * config/i386/i386.c (decide_alg): Ensure we don't recurse with
2325 identical arguments. Formatting and spelling fixes.
2328 * doc/md.texi (ashl@var{m}3): Document that mode of operand 2 must
2333 * config/m68k/t-opts (OPTIONS_H_EXTRA): Add m68k-microarchs.def
2334 and m68k-devices.def.
2335 * config/c6x/t-c6x (OPTIONS_H_EXTRA): Add c6x-isas.def.
2336 * config/aarch64/t-aarch64 (OPTIONS_H_EXTRA): Add aarch64-arches.def.
2338 2016-02-22 Cesar Philippidis <cesar@codesourcery.com>
2340 * config/nvptx/nvptx.c (nvptx_gen_shuffle): Add support for QImode
2341 and HImode registers.
2343 2016-02-22 Richard Biener <rguenther@suse.de>
2345 PR tree-optimization/69882
2346 * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Properly
2347 preserve permutations present because of gaps.
2348 (vect_supported_load_permutation_p): Always continue checking
2349 permutations after vect_attempt_slp_rearrange_stmts.
2351 2016-02-22 Bin Cheng <bin.cheng@arm.com>
2353 * tree-vect-loop.c (vect_estimate_min_profitable_iters): Dump
2354 min_profitable_estimate, rather than min_profitable_iters.
2356 2016-02-22 Jakub Jelinek <jakub@redhat.com>
2359 * config/m68k/m68k.md (ashldi3, ashrdi3, lshrdi3): Use
2360 SImode for last match_operand.
2362 2016-02-22 Martin Liska <mliska@suse.cz>
2364 * hsa-gen.c (gen_hsa_clrsb): In case of zero value,
2365 return bitsize - 1 as the return value.
2367 2016-02-22 Oleg Endo <olegendo@gcc.gnu.org>
2371 * config/sh/sh.c (sh_lshrsi_clobbers_t_reg_p, sh_dynamicalize_shift_p):
2372 Handle negative shift counts.
2373 * config/sh/sh.md (ashlsi3, lshrsi3_n, lshrsi3_n_clobbers_t): Don't use
2374 force_reg on the shift constant.
2375 (lshrsi3): Likewise. Expand into lshrsi3_n* instead of lshrsi3_d.
2376 (lshrsi3_d): Handle negative shift counts.
2378 2016-02-22 Richard Biener <rguenther@suse.de>
2379 Tom de Vries <tom@codesourcery.com>
2381 * graph.c: Include dumpfile.h.
2382 (print_graph_cfg): Split into three overloads.
2383 * gdbhooks.py (class DotFn): Add and instantiate, adding command dot-fn.
2385 2016-02-22 Tom de Vries <tom@codesourcery.com>
2387 * gdbhooks.py (class DumpFn): Add and instantiate, adding command
2390 2016-02-22 Richard Biener <rguenther@suse.de>
2393 * ipa-inline-transform.c (inline_call): When not updating
2394 overall summaries adjust self size by the growth estimate.
2395 * ipa-inline.c (inline_to_all_callers_1): Add to the callers
2396 hash-set, do not update overall summaries here. Renamed from ...
2397 (inline_to_all_callers): ... this which is now wrapping the
2398 above and performing delayed overall summary update.
2399 (early_inline_small_functions): Delay updating of the overall
2402 2016-02-21 Markus Trippelsdorf <markus@trippelsdorf.de>
2404 * tree-chkp.c (chkp_mark_invalid_bounds_walker): Initialize
2407 2016-02-19 Jakub Jelinek <jakub@redhat.com>
2410 * gcc.c (LINK_COMMAND_SPEC, GOMP_SELF_SPECS): Use
2411 :%* in %:gt() argument.
2412 (greater_than_spec_func): Adjust for expecting only numbers,
2413 if there are more than two numbers, compare the last two.
2415 2016-02-19 Jonathan Wakely <jwakely@redhat.com>
2417 * doc/invoke.texi (C++ Dialect Options): Clarify interaction of
2418 -Wnarrowing with -std.
2420 2016-02-19 Jakub Jelinek <jakub@redhat.com>
2423 * expr.c (store_field): Don't use bit-field path if exp is
2424 COMPONENT_REF with TREE_ADDRESSABLE type, where TYPE_SIZE is
2425 different from bitsize, but DECL_SIZE of FIELD_DECL is bitsize
2426 and the assignment can be performed by bitwise copy. Formatting
2430 * lra.c (lra_process_new_insns): If non-call exceptions are enabled,
2431 call copy_reg_eh_region_note_forward on before and/or after sequences
2432 and remove note from insn if it no longer can throw.
2435 * config/i386/sse.md (VI_512): Only include V64QImode and V32HImode
2438 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
2440 * config/s390/vector.md: Add missing commutative operand markers
2441 to the patterns which qualify for one.
2442 * config/s390/vx-builtins.md: Likewise.
2444 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
2446 * config/s390/vector.md (VI, VI_QHS): Add single element vector
2447 types to mode iterators.
2448 (vec_double): ... and mode attribute.
2449 * config/s390/vx-builtins.md (non_vec_int): Likewise.
2451 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
2453 * config/s390/vector.md ("<ti*>add<mode>3", "<ti*>sub<mode>3"):
2454 Change the predicate of op2 from nonimmediate to general and let
2455 reload fix it if necessary.
2457 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
2459 * config/s390/vecintrin.h (vec_sub_u128): Define missing macro.
2461 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
2463 * config/s390/s390.c (s390_expand_vcond): Use the compare operand
2466 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
2468 * config/s390/s390-protos.h: Add s390_expand_vec_movstr prototype.
2469 * config/s390/s390.c (s390_expand_vec_movstr): New function.
2470 * config/s390/s390.md ("movstr<P:mode>"): Call
2471 s390_expand_vec_movstr.
2473 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
2475 * config/s390/s390.md: Add missing output modifier for operand 1
2476 to print it as address properly.
2478 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
2480 * config/s390/2827.md: Rename ooo_* insn attributes to zEC12_*.
2481 * config/s390/2964.md: New file.
2482 * config/s390/s390.c (s390_get_sched_attrmask): Use the right set
2483 of insn grouping attributes depending on the CPU level.
2484 (s390_get_unit_mask): New function.
2485 (s390_sched_score): Remove the OOO from the scheduling macros.
2486 Add loop to calculate a score for the instruction mix.
2487 (s390_sched_reorder): Likewise plus improve debug output.
2488 (s390_sched_variable_issue): Rename macros as above. Calculate
2489 the unit distances after actually scheduling an insn. Improve
2491 (s390_sched_init): Clear last_scheduled_unit_distance array.
2492 * config/s390/s390.md: Include 2964.md.
2494 2016-02-18 Jakub Jelinek <jakub@redhat.com>
2497 * config/i386/sse.md (*<floatsuffix>floatv2div2sf2_mask_1,
2498 *avx512vl_<code>v2div2qi2_mask_1, *avx512vl_<code><mode>v4qi2_mask_1,
2499 *avx512vl_<code><mode>v8qi2_mask_1, *avx512vl_<code><mode>v4hi2_mask_1,
2500 *avx512vl_<code>v2div2hi2_mask_1, *avx512vl_<code>v2div2si2_mask_1,
2501 *avx512f_<code>v8div16qi2_mask_1): New insns.
2503 2016-02-18 Michael Meissner <meissner@linux.vnet.ibm.com>
2506 * config/rs6000/predicates.md (fusion_gpr_addis): Revert
2509 * config/rs6000/rs6000.md (fusion_gpr_load_<mode>): Remove
2510 earlyclobber from target. Use wF constraint for fused memory
2512 (fusion_gpr_<P:mode>_<GPR_FUSION:mode>_load): Likewise.
2514 2016-02-18 Jakub Jelinek <jakub@redhat.com>
2515 Martin Liska <mliska@suse.cz>
2518 * cfgexpand.c (asan_sanitize_stack_p): New function.
2519 (partition_stack_vars): Use the function.
2520 (expand_stack_vars): Likewise.
2521 (defer_stack_allocation): Likewise.
2522 (expand_used_vars): Likewise.
2524 2016-02-18 Richard Biener <rguenther@suse.de>
2527 * fold-const.c (operand_equal_p): Properly compare offsets for
2528 IMAGPART_EXPR and ARRAY_REF.
2530 2016-02-18 Nick Clifton <nickc@redhat.com>
2534 * config/arm/arm.c (arm_option_override_internal): Disable
2535 interworking if the target does not support thumb instructions.
2536 (arm_reload_in_hi): Handle the case where a register to register
2537 move needs reloading because there is no simple pattern to handle
2539 (arm_reload_out_hi): Likewise.
2541 2016-02-18 Richard Biener <rguenther@suse.de>
2544 * match.pd: Don't use fold_binary or fold_unary for folding
2547 2016-02-17 Jakub Jelinek <jakub@redhat.com>
2550 * gimplify.c (gimplify_cond_expr): Call gimple_set_no_warning
2551 on the cond_stmt from TREE_NO_WARNING on COND_EXPR_COND.
2552 * gimple-ssa-nonnull-compare.c (do_warn_nonnull_compare): Don't
2553 warn on gimple_no_warning_p statements.
2555 2016-02-17 Jonathan Wakely <jwakely@redhat.com>
2557 * doc/extend.texi (C++ Attributes): Correct description of
2558 warn_unused type attribute.
2560 2016-02-17 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2562 * config/rs6000/altivec.md (*altivec_lvxl_<mode>_internal): Output
2563 correct instruction.
2565 2016-02-17 Richard Biener <rguenther@suse.de>
2567 PR rtl-optimization/69609
2568 * bb-reorder.c (struct bbro_basic_block_data): Add priority member.
2569 (find_traces_1_round): When ending a trace update cached priority
2571 (bb_to_key): Use cached priority when available.
2572 (copy_bb): Initialize cached priority.
2573 (reorder_basic_blocks_software_trace_cache): Likewise.
2575 2016-02-17 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
2578 * config/aarch64/predicates.md (aarch64_comparison_operator_mode):
2580 (aarch64_comparison_operator): Break overly long line into two.
2581 (aarch64_comparison_operation): Likewise.
2582 * config/aarch64/aarch64.md (cstorecc4): Use
2583 aarch64_comparison_operator_mode instead of
2584 aarch64_comparison_operator.
2585 (cstore<mode>4): Likewise.
2586 (aarch64_cstore<mode>): Likewise.
2587 (*cstoresi_insn_uxtw): Likewise.
2588 (cstore<mode>_neg): Likewise.
2589 (*cstoresi_neg_uxtw): Likewise.
2591 2016-02-17 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
2594 * config/arm/predicates.md (arm_comparison_operator_mode):
2596 * config/arm/arm.md (*mov_scc): Use arm_comparison_operator_mode
2597 instead of arm_comparison_operator.
2598 (*mov_negscc): Likewise.
2599 (*mov_notscc): Likewise.
2600 * config/arm/thumb2.md (*thumb2_mov_scc): Likewise.
2601 (*thumb2_mov_negscc): Likewise.
2602 (*thumb2_mov_negscc_strict_it): Likewise.
2603 (*thumb2_mov_notscc): Likewise.
2604 (*thumb2_mov_notscc_strict_it): Likewise.
2606 2016-02-17 Wilco Dijkstra <wdijkstr@arm.com>
2608 * config/aarch64/aarch64.c (aarch64_internal_mov_immediate):
2611 2016-02-17 Eric Botcazou <ebotcazou@adacore.com>
2613 * config/visium/visium.c (machine_libfunc_index): New enum.
2614 (machine_libfuncs): New structure.
2615 (visium_libfuncs): New static variable.
2616 (TARGET_INIT_LIBFUNCS): Define to...
2617 (visium_init_libfuncs): ...this. New function.
2618 (expand_block_move_4): Use the appropriate libfunc.
2619 (expand_block_move_2): Likewise.
2620 (expand_block_move_1): Likewise.
2621 (expand_block_set_4): Likewise.
2622 (expand_block_set_2): Likewise.
2623 (expand_block_set_1): Likewise.
2624 (visium_trampoline_init): Likewise.
2626 2016-02-17 Nick Clifton <nickc@redhat.com>
2628 * config/msp430/msp430.c (msp430_mcu_data): Sync with data from
2629 TI's devices.csv file as of March 2016.
2631 2016-02-16 Kelvin Nilsen <kelvin@gcc.gnu.org>
2634 * opts-global.c (handle_common_deferred_options): Introduce and
2635 initialize two global variables to remember command-line options
2636 specifying a stack-limiting register.
2637 * opts.h: Add extern declarations of the two new global variables.
2638 * emit-rtl.c (init_emit_once): Initialize the stack_limit_rtx
2639 variable based on the values of the two new global variables.
2641 2016-02-16 Jakub Jelinek <jakub@redhat.com>
2644 * common.opt (Wnonnull-compare): New warning.
2645 * doc/invoke.texi (-Wnonnull): Remove text about comparison
2646 of arguments against NULL.
2647 (-Wnonnull-compare): Document.
2648 * Makefile.in (OBJS): Add gimple-ssa-nonnull-compare.o.
2649 * tree-pass.h (make_pass_warn_nonnull_compare): Declare.
2650 * passes.def (pass_warn_nonnull_compare): Add.
2651 * gimple-ssa-nonnull-compare.c: New file.
2653 2016-02-16 James Greenhalgh <james.greenhalgh@arm.com>
2655 * config/aarch64/aarch64.c (cortexa57_tunings): Remove
2656 AARCH64_EXTRA_TUNE_RECIP_SQRT.
2658 2016-02-16 James Greenhalgh <james.greenhalgh@arm.com>
2660 * config/aarch64/aarch64.c (use_rsqrt_p): Always use software
2661 reciprocal sqrt for -mlow-precision-recip-sqrt.
2663 2016-02-16 James Greenhalgh <james.greenhalgh@arm.com>
2664 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
2666 * config/aarch64/aarch64.c (aarch64_expand_vector_init): Refactor,
2667 always use lane loads to construct non-constant vectors.
2669 2016-02-16 James Greenhalgh <james.greenhalgh@arm.com>
2671 * config/aarch64/aarch64.md
2672 (arch64_sqrdml<SQRDMLH_AS:rdma_as>h_lane<mode>): Fix register
2673 constraints for operand 3.
2674 (aarch64_sqrdml<SQRDMLH_AS:rdma_as>h_laneq<mode>): Likewise.
2676 2016-02-16 Jakub Jelinek <jakub@redhat.com>
2677 Richard Biener <rguenther@suse.de>
2679 PR tree-optimization/69820
2680 * tree-vect-patterns.c (type_conversion_p): Return false if
2681 *orig_type is unsigned single precision or boolean.
2682 (vect_recog_dot_prod_pattern, vect_recog_widen_mult_pattern):
2685 2016-02-16 Jakub Jelinek <jakub@redhat.com>
2687 PR rtl-optimization/69764
2688 PR rtl-optimization/69771
2689 * optabs.c (expand_binop): Ensure for shift optabs invalid CONST_INT
2690 op1 is valid for GET_MODE_INNER (mode) and force it into a reg.
2692 2016-02-16 Richard Biener <rguenther@suse.de>
2694 PR tree-optimization/69776
2695 * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Get alias
2697 (indirect_refs_may_alias_p): Likewise.
2698 (refs_may_alias_p_1): Pass alias sets as from ao_ref.
2699 * tree-ssa-sccvn.c (vn_reference_lookup): Also adjust vr alias-set
2700 according to tbaa_p.
2701 * tree-ssa-dom.c (lookup_avail_expr): Add tbaa_p flag.
2702 (optimize_stmt): For redundant store discovery do not allow tbaa.
2704 2016-02-16 Bernd Schmidt <bschmidt@redhat.com>
2706 PR tree-optimization/69714
2707 * tree-ssa-math-opts.c (find_bswap_or_nop): Revert previous change.
2708 Return NULL if we have irrelevant high bytes on BIG_ENDIAN.
2710 2016-02-16 Claudiu Zissulescu <claziss@synopsys.com>
2712 * config/arc/arc-modes.def (CC_FPU, CC_FPU_UNEQ): New modes.
2713 * config/arc/arc-opts.h (FPU_SP, FPU_SF, FPU_SC, FPU_SD, FPU_DP)
2714 (FPU_DF, FPU_DC, FPU_DD, FXP_DP): Define.
2715 * config/arc/arc.c (arc_init): Check FPU options.
2716 (get_arc_condition_code): Handle new CC_FPU* modes.
2717 (arc_select_cc_mode): Likewise.
2718 (arc_conditional_register_usage): Allow 64 bit datum into even-odd
2719 register pair only. Allow access for ARCv2 accumulator.
2720 (gen_compare_reg): Whenever we have FPU support use FPU compare
2722 (arc_reorg): Don't generate brcc insns when FPU compare
2723 instructions are involved.
2724 * config/arc/arc.h (TARGET_DPFP): Add TARGET_FP_DPAX condition.
2725 (TARGET_OPTFPE): Add condition when ARC EM can use optimized
2726 floating point emulation.
2727 (ACC_REG_FIRST, ACC_REG_LAST, ACCL_REGNO, ACCH_REGNO): Define.
2728 (REVERSE_CONDITION): Add new CC_FPU* modes.
2729 (TARGET_FP_SP_BASE): Define.
2730 (TARGET_FP_DP_BASE): Likewise.
2731 (TARGET_FP_SP_FUSED): Likewise.
2732 (TARGET_FP_DP_FUSED): Likewise.
2733 (TARGET_FP_SP_CONV): Likewise.
2734 (TARGET_FP_DP_CONV): Likewise.
2735 (TARGET_FP_SP_SQRT): Likewise.
2736 (TARGET_FP_DP_SQRT): Likewise.
2737 (TARGET_FP_DP_AX): Likewise.
2738 * config/arc/arc.md (ARCV2_ACC): New constant.
2739 (type): New fpu type attribute.
2740 (SDF): Conditional iterator.
2741 (cstore<mode>, cbranch<mode>): Change expand condition.
2742 (addsf3, subsf3, mulsf3, adddf3, subdf3, muldf3): New expands,
2743 handles FPU/FPX cases as well.
2744 * config/arc/arc.opt (mfpu): New option.
2745 * config/arc/fpx.md (addsf3_fpx, subsf3_fpx, mulsf3_fpx):
2747 (adddf3, muldf3, subdf3): Removed.
2748 * config/arc/predicates.md (proper_comparison_operator): Recognize
2750 * config/arc/fpu.md: New file.
2751 * doc/invoke.texi (ARC Options): Document mfpu option.
2753 2016-02-16 Richard Biener <rguenther@suse.de>
2755 PR rtl-optimization/69291
2756 * ifcvt.c (noce_try_store_flag_constants): Re-instantiate
2757 noce_operand_ok check.
2759 2016-02-16 Tom de Vries <tom@codesourcery.com>
2762 * omp-low.c (simd_clone_create): Remove call to
2763 symtab->call_cgraph_insertion_hooks.
2765 2016-02-16 Jakub Jelinek <jakub@redhat.com>
2767 PR tree-optimization/69802
2768 * tree-ssa-reassoc.c (update_range_test): If op is
2769 SSA_NAME_IS_DEFAULT_DEF, give up unless tem is a positive
2770 op == 1 test of precision 1 integral op, otherwise handle
2771 that case as op itself. Fix up formatting.
2772 (optimize_range_tests_to_bit_test, optimize_range_tests): Fix
2775 2016-02-16 Richard Biener <rguenther@suse.de>
2777 PR tree-optimization/69586
2778 * tree-vrp.c (register_edge_assert_for_2): Handle all integral
2779 types for conversion sources.
2781 2016-02-16 Richard Biener <rguenther@suse.de>
2784 * fold-const.c (operand_equal_p): For COND_EXPR zero operand
2785 mask OEP_ADDRESS_OF.
2787 2016-02-16 Alan Modra <amodra@gmail.com>
2790 * config/rs6000/rs6000.md (reload_vsx_from_gprsf): Rewrite splitter.
2791 (p8_mtvsrd_df, p8_mtvsrd_sf): New.
2792 (p8_mtvsrd_1, p8_mtvsrd_2): Delete.
2794 (p8_mtvsrwz_1, p8_mtvsrwz_2): Delete.
2795 (p8_xxpermdi_<mode>): Take two DF inputs rather than one TF.
2796 (p8_fmrgow_<mode>): Likewise.
2797 (reload_vsx_from_gpr<mode>): Make clobber IF. Adjust for above
2799 (reload_fpr_from_gpr<mode>): Similarly. Use "d" for op0 constraint.
2800 (reload_vsx_from_gprsf): Use p8_mtvsrd_sf rather than attempting
2801 to use movdi_internal64. Remove op0_di.
2802 * config/rs6000/vsx.md (vsx_xscvspdpn_directmove): Make op1 SFmode.
2804 2016-02-15 Evandro Menezes <e.menezes@samsung.com>
2806 Add support for the FCCMP insn types
2808 * config/aarch64/aarch64.md (fccmp): Change insn type.
2810 * config/aarch64/thunderx.md (thunderx_fcmp): Add "fccmp{s,d}" types.
2811 * config/arm/cortex-a53.md (cortex_a53_fpalu): Likewise.
2812 * config/arm/cortex-a57.md (cortex_a57_fp_cmp): Likewise.
2813 * config/arm/xgene1.md (xgene1_fcmp): Likewise.
2814 * config/arm/exynos-m1.md (exynos_m1_fp_ccmp): New insn reservation.
2815 * config/arm/types.md (fccmps): Add new insn type.
2818 2016-02-15 Bernd Edlinger <bernd.edlinger@hotmail.de>
2820 * alias.c (get_alias_set): Fix a typo in comment.
2822 2016-02-15 Richard Biener <rguenther@suse.de>
2824 PR tree-optimization/69595
2825 * match.pd: Complete range test simplification to true.
2827 2016-02-15 Bernd Schmidt <bschmidt@redhat.com>
2829 PR rtl-optimization/69648
2830 * lra-constraints.c (update_ebb_live_info): Don't remove sets of
2831 pic_offset_table_rtx.
2833 PR rtl-optimization/69752
2834 * ira.c (update_equiv_regs): When looking for more than a single SET,
2835 also take other side effects into account.
2837 2016-02-15 Marcin Kościelnicki <koriakin@0x04.net>
2839 * config/s390/s390.c (s390_function_profiler): Add a new sequence
2840 for z900+ CPUs in 31-bit mode.
2842 2016-02-15 Marcin Kościelnicki <koriakin@0x04.net>
2844 * common/config/s390/s390-common.c (s390_supports_split_stack):
2846 (TARGET_SUPPORTS_SPLIT_STACK): New macro.
2847 * config/s390/s390-protos.h: Add s390_expand_split_stack_prologue.
2848 * config/s390/s390.c (struct machine_function): New field
2849 split_stack_varargs_pointer.
2850 (s390_register_info): Mark r12 as clobbered if it'll be used as temp
2851 in s390_emit_prologue.
2852 (s390_emit_prologue): Use r12 as temp if r1 is taken by split-stack
2854 (morestack_ref): New global.
2855 (SPLIT_STACK_AVAILABLE): New macro.
2856 (s390_expand_split_stack_prologue): New function.
2857 (s390_live_on_entry): New function.
2858 (s390_va_start): Use split-stack vararg pointer if appropriate.
2859 (s390_asm_file_end): Emit the split-stack note sections.
2860 (TARGET_EXTRA_LIVE_ON_ENTRY): New macro.
2861 * config/s390/s390.md (UNSPEC_STACK_CHECK): New unspec.
2862 (UNSPECV_SPLIT_STACK_CALL): New unspec.
2863 (UNSPECV_SPLIT_STACK_DATA): New unspec.
2864 (split_stack_prologue): New expand.
2865 (split_stack_space_check): New expand.
2866 (split_stack_data): New insn.
2867 (split_stack_call): New expand.
2868 (split_stack_call_*): New insn.
2869 (split_stack_cond_call): New expand.
2870 (split_stack_cond_call_*): New insn.
2872 2016-02-15 Richard Biener <rguenther@suse.de>
2874 PR tree-optimization/69783
2875 * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
2876 Add trivially correct cases.
2878 2016-02-15 Tom de Vries <tom@codesourcery.com>
2881 * lto-cgraph.c (input_offload_tables): Add and handle bool parameter
2883 * lto-streamer.h (input_offload_tables): Add and handle bool parameter.
2885 2016-02-15 Richard Biener <rguenther@suse.de>
2887 PR tree-optimization/69776
2888 * tree-ssa-sccvn.h (vn_reference_lookup): Adjust prototype.
2889 * tree-ssa-sccvn.c (vn_reference_lookup): Add parameter to
2890 indicate whether we can use TBAA to disambiguate against stores.
2891 Use alias-set zero if not.
2892 (visit_reference_op_store): Do not use TBAA when looking up
2894 * tree-ssa-pre.c (compute_avail): Use TBAA here.
2895 (eliminate_dom_walker::before_dom_children): But not when looking
2896 up redundant stores.
2898 2016-02-14 John David Anglin <danglin@gcc.gnu.org>
2900 * config/pa/pa.md (absqi2, absghi2, bswaphi2, bswapsi2, bswapdi2): New.
2902 2016-02-14 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
2904 * config/i386/znver1.md
2905 (znver1_pop, znver1_pop_mem,
2906 znver1_load_imov_double_store,
2907 znver1_load_imov_direct_store,
2908 znver1_load_imov_direct_load,
2909 znver1_load_imov_double_load): Add new.
2910 (znver1_insn, znver1_insn_load): Add icmov type.
2912 znver1_sseavx_fma_load,
2914 znver1_avx256_fma_load): Fix pipe usage.
2916 2016-02-14 Alan Modra <amodra@gmail.com>
2919 * reloads.c (find_reloads_address_1): For pre/post-inc/dec
2920 with an invalid hard reg, reload just the reg not the entire
2921 pre/post-inc/dec address expression.
2923 2016-02-13 Oleg Endo <olegendo@gcc.gnu.org>
2926 * config/sh/sh.md (sibcall_value_pcrel): Replace =&k scratch reg with
2927 fixed R1_REG scratch reg.
2928 (sibcall_value_pcrel_fdpic): Likewise.
2930 2016-02-13 Oleg Endo <olegendo@gcc.gnu.org>
2934 * config/sh/sh.md (*zero_extract_3): New insn_and_split pattern.
2936 2016-02-12 Walter Lee <walt@tilera.com>
2938 * config/tilepro/t-tilepro: Replace CC_FOR_BUILD with CXX_FOR_BUILD.
2939 * config/tilegx/t-tilegx: Likewise.
2941 2016-02-12 David Malcolm <dmalcolm@redhat.com>
2944 * diagnostic-show-locus.c (struct line_span): New struct.
2945 (layout::get_first_line): Delete.
2946 (layout::get_last_line): Delete.
2947 (layout::get_num_line_spans): New member function.
2948 (layout::get_line_span): Likewise.
2949 (layout::print_heading_for_line_span_index_p): Likewise.
2950 (layout::get_expanded_location): Likewise.
2951 (layout::calculate_line_spans): Likewise.
2952 (layout::m_first_line): Delete.
2953 (layout::m_last_line): Delete.
2954 (layout::m_line_spans): New field.
2955 (layout::layout): Update comment. Replace m_first_line and
2956 m_last_line with m_line_spans, replacing their initialization
2957 with a call to calculate_line_spans.
2958 (diagnostic_show_locus): When printing source lines and
2959 annotations, rather than looping over a single span
2960 of lines, instead loop over each line_span within
2961 the layout, with an inner loop over the lines within them.
2962 Call the context's start_span callback when changing line spans.
2963 * diagnostic.c (diagnostic_initialize): Initialize start_span.
2964 (diagnostic_build_prefix): Break out the building of the location
2965 part of the string into...
2966 (diagnostic_get_location_text): ...this new function, rewriting
2967 it from nested ternary expressions to a sequence of "if"
2969 (default_diagnostic_start_span_fn): New function.
2970 * diagnostic.h (diagnostic_start_span_fn): New typedef.
2971 (diagnostic_context::start_span): New field.
2972 (default_diagnostic_start_span_fn): New prototype.
2974 2016-02-12 David Malcolm <dmalcolm@redhat.com>
2977 * gcc.c (driver::finalize): Fix cleanup of "specs".
2979 2016-02-12 David Malcolm <dmalcolm@redhat.com>
2983 * gcc.c (driver::driver): Initialize m_option_suggestions.
2984 (driver::~driver): Clean up m_option_suggestions.
2985 (suggest_option): Convert to...
2986 (driver::suggest_option): ...this, and split out into
2987 driver::build_option_suggestions and find_closest_string.
2988 (driver::build_option_suggestions): New function, from
2989 first half of suggest_option. Special-case
2990 OPT_fsanitize_ and OPT_fsanitize_recover_, making use of
2991 the sanitizer_opts array. For options of enum types, add the
2992 various enum values to the candidate strings.
2993 (driver::handle_unrecognized_options): Remove "const".
2994 * gcc.h (driver::handle_unrecognized_options): Likewise.
2995 (driver::build_option_suggestions): New decl.
2996 (driver::suggest_option): New decl.
2997 (driver::m_option_suggestions): New field.
2998 * opts-common.c (add_misspelling_candidates): New function.
2999 * opts.c (sanitizer_opts): Remove decl of struct sanitizer_opts_s
3000 and make non-static.
3001 * opts.h (sanitizer_opts): New array decl.
3002 (add_misspelling_candidates): New function decl.
3003 * spellcheck.c (find_closest_string): New function.
3004 * spellcheck.h (find_closest_string): New function decl.
3006 2016-02-12 Jakub Jelinek <jakub@redhat.com>
3008 PR rtl-optimization/69764
3009 PR rtl-optimization/69771
3010 * optabs.c (expand_binop_directly): For shift_optab_p, force
3011 convert_modes with VOIDmode if xop1 has VOIDmode.
3013 2016-02-12 Ilya Enkovich <enkovich.gnu@gmail.com>
3016 * lto-streamer-out.c (lto_output): Use thunk.add_pointer_bounds_args
3017 to correctly determine instrumentation thunks.
3019 2016-02-12 Jakub Jelinek <jakub@redhat.com>
3022 * ipa-split.c (split_function): If split part returns TREE_ADDRESSABLE
3023 type by reference, force lhs on the call.
3026 * ipa-split.c (split_function): Don't compute/use main_part_return_p.
3027 Compute retval and retbnd early in all cases if split_part_return_p
3028 and return_bb is not EXIT. Remove all clobber stmts and reset
3029 all debug stmts that refer to SSA_NAMEs defined in split part,
3030 except if it is retval, in that case replace the old retval with the
3031 lhs of the call to the split part.
3033 2016-02-12 Kugan Vivekanandarajah <kuganv@linaro.org>
3036 2016-02-12 Kugan Vivekanandarajah <kuganv@linaro.org>
3039 * tree-ssa-reassoc.c (optimize_range_tests): Handle tcc_compare stmt
3040 whose result is used in PHI.
3041 (maybe_optimize_range_tests): Likewise.
3042 (final_range_test_p): Likweise.
3044 2016-02-12 Kugan Vivekanandarajah <kuganv@linaro.org>
3047 * tree-ssa-reassoc.c (optimize_range_tests): Handle tcc_compare stmt
3048 whose result is used in PHI.
3049 (maybe_optimize_range_tests): Likewise.
3050 (final_range_test_p): Likweise.
3052 2016-02-12 Jakub Jelinek <jakub@redhat.com>
3054 * cgraph.c: Spelling fixes - behaviour -> behavior and
3055 neighbour -> neighbor.
3056 * target.def: Likewise.
3057 * sel-sched.c: Likewise.
3058 * config/mips/mips.c: Likewise.
3059 * config/arc/arc.md: Likewise.
3060 * config/arm/cortex-a57.md: Likewise.
3061 * config/arm/arm.c: Likewise.
3062 * config/arm/neon.md: Likewise.
3063 * config/arm/arm-c.c: Likewise.
3064 * config/vms/vms-c.c: Likewise.
3065 * config/s390/s390.c: Likewise.
3066 * config/i386/znver1.md: Likewise.
3067 * config/i386/i386.c: Likewise.
3068 * config/ia64/hpux-unix2003.h: Likewise.
3069 * config/msp430/msp430.md: Likewise.
3070 * config/rx/rx.c: Likewise.
3071 * config/rx/rx.md: Likewise.
3072 * config/aarch64/aarch64-simd.md: Likewise.
3073 * config/aarch64/aarch64.c: Likewise.
3074 * config/nvptx/nvptx.c: Likewise.
3075 * config/bfin/bfin.c: Likewise.
3076 * config/cris/cris.opt: Likewise.
3077 * config/rs6000/rs6000.c: Likewise.
3078 * target.h: Likewise.
3079 * spellcheck.c: Likewise.
3080 * ira-build.c: Likewise.
3081 * tree-inline.c: Likewise.
3082 * builtins.c: Likewise.
3083 * lra-constraints.c: Likewise.
3084 * explow.c: Likewise.
3085 * hwint.h: Likewise.
3086 * targhooks.c: Likewise.
3087 * tree-vect-data-refs.c: Likewise.
3089 * doc/tm.texi: Likewise.
3090 * doc/extend.texi: Likewise.
3091 * doc/install.texi: Likewise.
3092 * doc/md.texi: Likewise.
3093 * tree-ssa-tail-merge.c: Likewise.
3094 * sched-int.h: Likewise.
3095 * match.pd: Likewise.
3096 * sched-ebb.c: Likewise.
3097 * target.def (omit_struct_return_reg): Likewise.
3098 * gimple-ssa-isolate-paths.c: Likewise.
3099 (find_implicit_erroneous_behaviour): Renamed to...
3100 (find_implicit_erroneous_behavior): ... this.
3101 (find_explicit_erroneous_behaviour): Renamed to...
3102 (find_explicit_erroneous_behavior): ... this.
3103 (gimple_ssa_isolate_erroneous_paths): Adjust caller.
3105 2016-02-11 Segher Boessenkool <segher@kernel.crashing.org>
3107 PR rtl-optimization/64682
3108 PR rtl-optimization/69567
3109 PR rtl-optimization/69737
3110 * combine.c (distribute_notes) <REG_DEAD>: If the register is set
3111 in I2 as well, just lose it.
3113 2016-02-11 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
3115 * config/aarch64/aarch64.c (aarch64_last_printed_arch_string):
3117 (aarch64_last_printed_tune_string): Likewise.
3118 (aarch64_declare_function_name): Only output .arch assembler
3119 directive if it will be different from the previously output
3120 directive. Same for .tune comment but only if -dA is set.
3121 (aarch64_start_file): New function.
3122 (TARGET_ASM_FILE_START): Define.
3124 2016-02-11 David Malcolm <dmalcolm@redhat.com>
3127 * Makefile.in (PLUGIN_HEADERS): Add params.list.
3129 2016-02-11 Jakub Jelinek <jakub@redhat.com>
3132 * tree-vect-slp.c (vect_schedule_slp_instance): Avoid
3133 -Wmaybe-uninitialized warning.
3135 2016-02-11 Oleg Endo <olegendo@gcc.gnu.org>
3138 * config/sh/sh.md (casesi_worker_0): Add T_REG use.
3140 2016-02-11 Richard Biener <rguenther@suse.de>
3142 PR rtl-optimization/69291
3143 * ifcvt.c (noce_try_store_flag_constants): Do not allow
3144 subexpressions affected by changing the result.
3146 2016-02-10 Vladimir Makarov <vmakarov@redhat.com>
3149 * lra-constraints.c (curr_insn_transform): Find in/out operands
3150 for secondary memory moves. Update dups.
3152 2016-02-10 Yuri Rumyantsev <ysrumyan@gmail.com>
3154 PR tree-optimization/69652
3155 * tree-vect-loop.c (optimize_mask_stores): Move declaration of STMT1
3156 to nested loop, did source re-formatting, skip debug statements,
3157 add check on statement with volatile operand, remove dead scalar
3160 2016-02-10 Jakub Jelinek <jakub@redhat.com>
3161 Patrick Palka <ppalka@gcc.gnu.org>
3165 * gimplify.c (gimplify_modify_expr): Set lhs even for noreturn
3166 calls if the return type is TREE_ADDRESSABLE.
3167 * cgraphunit.c (cgraph_node::expand_thunk): Likewise.
3168 * ipa-split.c (split_function): Fix doubled "we" in comment.
3169 Use void return type for the split part even if
3170 !split_point->split_part_set_retval.
3172 2016-02-10 Bin Cheng <bin.cheng@arm.com>
3174 PR tree-optimization/68021
3175 * tree-ssa-loop-ivopts.c (get_computation_aff): Set ratio to 1 if
3176 when computing the value of biv cand by itself.
3178 2016-02-10 Wilco Dijkstra <wdijkstr@arm.com>
3180 * config/aarch64/aarch64.c (cortexa53_tunings): Enable AES fusion.
3181 (cortexa57_tunings): Likewise.
3182 (cortexa72_tunings): Likewise.
3183 (arch_macro_fusion_pair_p): Add support for AES fusion.
3184 * config/aarch64/aarch64-fusion-pairs.def: Add AES_AESMC entry.
3185 * config/arm/aarch-common.c (aarch_crypto_can_dual_issue):
3186 Allow virtual registers before reload so early scheduling works.
3187 * config/arm/cortex-a57.md (cortex_a57_crypto_simple): Use
3188 correct latency and pipeline.
3189 (cortex_a57_crypto_complex): Likewise.
3190 (cortex_a57_crypto_xor): Likewise.
3191 (define_bypass): Add AES bypass.
3193 2016-02-10 Richard Biener <rguenther@suse.de>
3195 PR tree-optimization/69726
3196 * passes.def: Add DCE pass before late uninit.
3197 * match.pd: Add A ? B : (!A ? C : X) -> A ? B : C patterns to
3198 really fixup if-conversions job.
3200 2016-02-10 Wilco Dijkstra <wdijkstr@arm.com>
3202 * config/arm/arm.c (arm_cortex_a53_tune): Enable AES fusion.
3203 (arm_cortex_a57_tune): Likewise.
3204 (aarch_macro_fusion_pair_p): Add support for AES fusion.
3205 * config/arm/arm-protos.h (fuse_ops): Add FUSE_AES_AESMC.
3207 2016-02-10 Eric Botcazou <ebotcazou@adacore.com>
3209 * timevar.def (TV_PHASE_DBGINFO): Delete.
3210 (TV_PHASE_CHECK_DBGINFO): Likewise.
3211 * varpool.c (varpool_node::assemble_decl): Do not change timevar.
3213 2016-02-10 Richard Biener <rguenther@suse.de>
3215 PR tree-optimization/69719
3216 * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
3217 Adjust previous fix by ensuring that dr_a1 is left of dr_a2.
3219 2016-02-09 Andrew Pinski <apinski@cavium.com>
3222 * optabs-tree.c (expand_vec_cond_expr_p): Don't early return if
3223 get_vcond_mask_icode returns false.
3225 2016-02-09 Michael Meissner <meissner@linux.vnet.ibm.com>
3228 * config/rs6000/predicates.md (fusion_gpr_addis): Prevent fusing
3229 an ADDIS that adds a pointer to a large constant that sets the
3230 upper16 bits with a load operation.
3232 2016-02-09 Charles Baylis <charles.baylis@linaro.org>
3235 * config/arm/arm.c (arm_evpc_neon_vzip): Allow for big endian lane
3237 * config/arm/arm_neon.h (vzipq_s8): Adjust shuffle patterns for big
3239 (vzipq_s16): Likewise.
3240 (vzipq_s32): Likewise.
3241 (vzipq_f32): Likewise.
3242 (vzipq_u8): Likewise.
3243 (vzipq_u16): Likewise.
3244 (vzipq_u32): Likewise.
3245 (vzipq_p8): Likewise.
3246 (vzipq_p16): Likewise.
3248 2016-02-09 Charles Baylis <charles.baylis@linaro.org>
3251 * config/arm/arm.c (neon_endian_lane_map): New function.
3252 (neon_vector_pair_endian_lane_map): New function.
3253 (arm_evpc_neon_vuzp): Allow for big endian lane order.
3254 * config/arm/arm_neon.h (vuzpq_s8): Adjust shuffle patterns for big
3256 (vuzpq_s16): Likewise.
3257 (vuzpq_s32): Likewise.
3258 (vuzpq_f32): Likewise.
3259 (vuzpq_u8): Likewise.
3260 (vuzpq_u16): Likewise.
3261 (vuzpq_u32): Likewise.
3262 (vuzpq_p8): Likewise.
3263 (vuzpq_p16): Likewise.
3265 2016-02-11 Alexandre Oliva <aoliva@redhat.com>
3268 * regstat.c (regstat_bb_compute_calls_crossed): Disregard
3271 2016-02-09 Uros Bizjak <ubizjak@gmail.com>
3273 * config/i386/i386.md (insv<mode>_1): Use gen_int_mode to
3274 truncate const_int operand 1 to QImode.
3276 2016-02-09 Eric Botcazou <ebotcazou@adacore.com>
3278 * gimple-ssa-backprop.c (optimize_phi): Do not replace an argument
3279 corresponding to an abnormal edge.
3281 2016-02-09 Tom de Vries <tom@codesourcery.com>
3283 PR tree-optimization/69599
3284 * tree-ssa-structalias.c (fndecl_maybe_in_other_partition): New
3286 (find_func_aliases_for_builtin_call, find_func_clobbers)
3287 (ipa_pta_execute): Handle case that foo and foo._0 are not in same lto
3290 2016-02-09 Richard Biener <rguenther@suse.de>
3292 PR tree-optimization/69715
3293 * tree-ssa.c (execute_update_addresses_taken): Mark non-decl
3294 LHS on calls as non-rewritable.
3296 2016-02-09 Tom de Vries <tom@codesourcery.com>
3299 * lto-wrapper.c (append_diag_options): New function.
3300 (compile_offload_image): Call append_diag_options.
3302 2016-02-08 Sandra Loosemore <sandra@codesourcery.com>
3305 * doc/extend.texi (Flag Output Operands): Correct sectioning.
3306 Minor copy-edit to fix verb tenses.
3308 2016-02-08 Jakub Jelinek <jakub@redhat.com>
3310 PR tree-optimization/69209
3311 * ipa-split.c (split_function): If split part is not
3312 returning retval, retval has gimple type but is not
3313 gimple value, force it into a SSA_NAME first.
3315 2016-02-08 Nicklas Bo Jensen <nbjensen@gmail.com>
3317 * doc/tree-ssa.texi (Preserving the virtual SSA form): Remove
3320 2016-02-08 Jason Merrill <jason@redhat.com>
3323 * convert.c (convert_to_integer_1): Check dofold on truncation
3325 (convert_to_pointer_maybe_fold, convert_to_real_maybe_fold)
3326 (convert_to_integer_maybe_fold, convert_to_complex_maybe_fold):
3327 Rename from *_nofold.
3328 * convert.h (convert_to_pointer_nofold, convert_to_integer_nofold)
3329 (convert_to_real_nofold, convert_to_complex_nofold): New inlines.
3331 2016-02-08 Bernd Schmidt <bschmidt@redhat.com>
3334 * tree.c (build_common_tree_nodes): Remove short_double argument.
3335 All callers changed.
3336 * tree.h (build_common_tree_nodes): Adjust declaration.
3337 * doc/invoke.texi (-fshort-double): Remove documentation.
3338 * config/mips/t-img-elf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
3339 MULTILIB_EXCEPTIONS): Remove -fshort-double variant.
3340 * lto-wrapper.c (merge_and_complain, append_compiler_options)
3341 (append_linker_options): Don't handle OPT_fshort_double.
3343 PR rtl-optimization/68730
3344 * lra-remat.c (insn_to_cand_activation): New static variable.
3345 (lra_remat): Allocate and free it.
3346 (create_cand): New arg activation. Initialize a field in
3347 insn_to_cand_activation if it is nonnull.
3348 (create_cands): Pass the activation insn to create_cand when making
3349 a candidate involving an output reload. Reorganize code a little.
3350 (do_remat): Keep track of active status of candidates in a separate
3353 2016-02-08 Richard Biener <rguenther@suse.de>
3355 PR tree-optimization/69719
3356 * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
3357 Properly use absolute of the difference of the two offsets to
3358 compare or adjust the segment length.
3360 2016-02-08 Richard Biener <rguenther@suse.de>
3361 Jeff Law <law@redhat.com>
3364 * tree-ssanames.c (make_ssa_name_fn): Always use unqualified
3365 types for anonymous SSA names.
3367 2016-02-08 Richard Biener <rguenther@suse.de>
3369 PR rtl-optimization/69274
3370 * ira.c (ira_setup_alts): Do not change recog_data.operand order.
3372 2016-02-08 Jeff Law <law@redhat.com>
3374 PR tree-optimization/65917
3375 * tree-ssa-dom.c (record_temporary_equivalences): Record both
3376 equivalences from if (x == y) style conditionals.
3377 (loop_depth_of_name): Remove.
3378 (record_equality): Remove loop depth check.
3379 * tree-ssa-scopedtables.h (const_and_copies): Refine comments.
3380 (const_and_copies::record_const_or_copy_raw): New member function.
3381 * tree-ssa-scopedtables.c
3382 (const_and_copies::record_const_or_copy_raw): New, factored out of
3383 (const_and_copies::record_const_or_copy): Call new member function.
3385 2016-02-05 Jeff Law <law@redhat.com>
3387 PR tree-optimization/68541
3388 * gimple-ssa-split-paths.c: Include tree-cfg.h and params.h.
3389 (count_stmts_in_block): New function.
3390 (poor_ifcvt_candidate_code): Likewise.
3391 (is_feasible_trace): Add some heuristics to determine when path
3392 splitting is profitable.
3393 (find_block_to_duplicate_for_splitting_paths): Make sure the graph
3394 is a diamond with a single exit.
3396 2016-02-05 Martin Sebor <msebor@redhat.com>
3399 * doc/invoke.texi: Update -Wplacement-new to take an optional
3402 2016-02-06 Richard Henderson <rth@redhat.com>
3405 * tree.c (tree_nop_conversion_p): Do not strip casts into or
3406 out of non-standard address spaces.
3408 2016-02-05 Jakub Jelinek <jakub@redhat.com>
3410 PR rtl-optimization/69691
3411 * lra-eliminations.c (move_plus_up): Don't add the addend twice.
3413 2016-02-05 Pat Haugen <pthaugen@us.ibm.com>
3415 * config/rs6000/crypto.md (crypto_vpermxor_<mode>): Correct insn type.
3416 * config/rs6000/rs6000.md (mov<mode>_hardfloat): Likewise.
3417 (*ieee128_mfvsrd_64bit): Likewise.
3418 (*ieee128_mfvsrd_32bit): Likewise.
3420 2016-02-05 Ilya Enkovich <enkovich.gnu@gmail.com>
3424 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
3426 * cgraphunit.c (cgraph_node::reset): Clear thunk info and
3427 instrumented_version.
3429 2016-01-05 Jeremy Bennett <jeremy.bennett@embecosm.com>
3431 * doc/invoke.texi (Optimize Options): In table of --param options
3432 rename second occurrence of tracer-min-branch-ratio to
3433 tracer-min-branch-probability, rename
3434 tracer-min-branch-ratio-feedback to
3435 tracer-min-branch-probability-feedback and clarify description,
3436 rename sched-spec-state-edge-prob-cutoff to
3437 sched-state-edge-prob-cutoff, rename selsched-max-insns-to-rename
3438 to selsched-insns-to-rename, rename lto-minpartition to
3439 lto-min-partition, delete reorder-blocks-duplicate and
3440 reorder-blocks-duplicate-feedback.
3442 2016-02-05 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
3444 * config/s390/s390.c (s390_register_info_set_ranges): Remove
3447 2016-02-05 Dominik Vogt <vogt@linux.vnet.ibm.com>
3449 * doc/extend.texi: S/390: Correct some typos.
3451 2016-02-05 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
3453 * config/s390/s390.c (s390_emit_call): Add missing 64 bit check.
3455 2016-02-05 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
3458 * config/s390/s390.c (SAVE_SLOT_NONE, SAVE_SLOT_STACK): New defines.
3459 (s390_register_info_gprtofpr): Use new macros above.
3460 (s390_register_info_stdarg_fpr): Adjust max_fpr to better match
3462 (s390_register_info_stdarg_gpr): Adjust max_gpr to better match
3463 its name. Adjust restore and save gpr ranges.
3464 (s390_register_info_set_ranges): New function.
3465 (s390_register_info): Use new macros above. Call
3466 s390_register_info_set_ranges.
3467 (s390_optimize_register_info): Likewise.
3468 (s390_hard_regno_rename_ok): Use new macros.
3469 (s390_hard_regno_scratch_ok): Likewise.
3470 (s390_emit_epilogue): Likewise.
3471 (s390_can_use_return_insn): Likewise.
3472 (s390_optimize_prologue): Likewise.
3473 * config/s390/s390.md (GPR2_REGNUM, GPR6_REGNUM): New constants.
3475 2016-02-05 Jakub Jelinek <jakub@redhat.com>
3478 * config/i386/i386.c (convert_scalars_to_vector): Readd stack
3480 (ix86_option_override_internal): Disable TARGET_STV even for
3481 -m{incoming,preferred}-stack-boundary=3.
3483 2016-02-03 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
3485 * config.gcc: Mark deprecated rtems targets as obsolete.
3487 2016-02-04 Segher Boessenkool <segher@kernel.crashing.org>
3489 PR rtl-optimization/64682
3490 PR rtl-optimization/69567
3491 * combine.c (distribute_notes) <REG_DEAD>: Place the death note
3492 before I2 only if the register is both used and set in I2.
3494 2016-02-04 DJ Delorie <dj@redhat.com>
3496 * config/msp430/msp430.c (msp430_start_function): Add function type.
3498 2016-02-04 Jakub Jelinek <jakub@redhat.com>
3501 * tree-dfa.c (get_ref_base_and_extent): Remove unreachable code.
3503 2016-02-04 Uros Bizjak <ubizjak@gmail.com>
3505 PR rtl-optimization/69577
3507 2015-10-29 Richard Henderson <rth@redhat.com>
3511 * config/i386/i386.c (ix86_cannot_change_mode_class): Tighten
3512 sse check to the exact conditions of PR 67609.
3514 2016-02-04 Michael Meissner <meissner@linux.vnet.ibm.com>
3517 * config/rs6000/rs6000.md (mov<mode>_64bit_dm): Use 'd' constraint
3518 instead of 'ws', and 'wh' instead of 'wm' since TFmode/IFmode are
3519 not allowed into the traditional Altivec registers.
3520 (movtd_64bit_nodm): Likewise.
3521 (mov<mode>_32bit, FMOVE128_FPR iterator): Likewise.
3523 2016-02-04 David Malcolm <dmalcolm@redhat.com>
3525 * config/aarch64/cortex-a57-fma-steering.c
3526 (aarch64_register_fma_steering): Remove "static" from arguments
3529 2016-02-04 Wilco Dijkstra <wdijkstr@arm.com>
3532 * ccmp.c (expand_ccmp_expr_1): Avoid evaluating gs0/gs1
3535 2016-02-04 Mike Frysinger <vapier@gentoo.org>
3537 * doc/invoke.texi: Delete -mno-fma4.
3539 2016-02-04 Richard Sandiford <richard.sandiford@arm.com>
3541 PR rtl-optimization/69577
3542 * reginfo.c (record_subregs_of_mode): Add a partial_def parameter.
3543 (find_subregs_of_mode): Update accordingly. Iterate over partial
3546 2016-02-04 Alan Lawrence <alan.lawrence@arm.com>
3548 * config/arm/arm-protos.h (neon_reinterpret): Remove.
3549 * config/arm/arm.c (neon_reinterpret): Remove.
3550 * config/arm/arm_neon_builtins.def (vreinterpretv8qi, vreinterpretv4hi,
3551 vreinterpretv2si, vreinterpretv2sf, vreinterpretdi, vreinterpretv16qi,
3552 vreinterpretv8hi, vreinterpretv4si, vreinterpretv4sf, vreinterpretv2di,
3553 vreinterpretti): Remove.
3554 * config/arm/neon.md (neon_vreinterpretv8qi<mode>,
3555 neon_vreinterpretv4hi<mode>, neon_vreinterpretv2si<mode>,
3556 neon_vreinterpretv2sf<mode>, neon_vreinterpretdi<mode>,
3557 neon_vreinterpretti<mode>, neon_vreinterpretv16qi<mode>,
3558 neon_vreinterpretv8hi<mode>, neon_vreinterpretv4si<mode>,
3559 neon_vreinterpretv4sf<mode>, neon_vreinterpretv2di<mode>): Remove.
3560 * config/arm/arm_neon.h (vreinterpret_p8_p16, vreinterpret_p8_f32,
3561 vreinterpret_p8_p64, vreinterpret_p8_s64, vreinterpret_p8_u64,
3562 vreinterpret_p8_s8, vreinterpret_p8_s16, vreinterpret_p8_s32,
3563 vreinterpret_p8_u8, vreinterpret_p8_u16, vreinterpret_p8_u32,
3564 vreinterpret_p16_p8, vreinterpret_p16_f32, vreinterpret_p16_p64,
3565 vreinterpret_p16_s64, vreinterpret_p16_u64, vreinterpret_p16_s8,
3566 vreinterpret_p16_s16, vreinterpret_p16_s32, vreinterpret_p16_u8,
3567 vreinterpret_p16_u16, vreinterpret_p16_u32, vreinterpret_f32_p8,
3568 vreinterpret_f32_p16, vreinterpret_f32_p64, vreinterpret_f32_s64,
3569 vreinterpret_f32_u64, vreinterpret_f32_s8, vreinterpret_f32_s16,
3570 vreinterpret_f32_s32, vreinterpret_f32_u8, vreinterpret_f32_u16,
3571 vreinterpret_f32_u32, vreinterpret_p64_p8, vreinterpret_p64_p16,
3572 vreinterpret_p64_f32, vreinterpret_p64_s64, vreinterpret_p64_u64,
3573 vreinterpret_p64_s8, vreinterpret_p64_s16, vreinterpret_p64_s32,
3574 vreinterpret_p64_u8, vreinterpret_p64_u16, vreinterpret_p64_u32,
3575 vreinterpret_s64_p8, vreinterpret_s64_p16, vreinterpret_s64_f32,
3576 vreinterpret_s64_p64, vreinterpret_s64_u64, vreinterpret_s64_s8,
3577 vreinterpret_s64_s16, vreinterpret_s64_s32, vreinterpret_s64_u8,
3578 vreinterpret_s64_u16, vreinterpret_s64_u32, vreinterpret_u64_p8,
3579 vreinterpret_u64_p16, vreinterpret_u64_f32, vreinterpret_u64_p64,
3580 vreinterpret_u64_s64, vreinterpret_u64_s8, vreinterpret_u64_s16,
3581 vreinterpret_u64_s32, vreinterpret_u64_u8, vreinterpret_u64_u16,
3582 vreinterpret_u64_u32, vreinterpret_s8_p8, vreinterpret_s8_p16,
3583 vreinterpret_s8_f32, vreinterpret_s8_p64, vreinterpret_s8_s64,
3584 vreinterpret_s8_u64, vreinterpret_s8_s16, vreinterpret_s8_s32,
3585 vreinterpret_s8_u8, vreinterpret_s8_u16, vreinterpret_s8_u32,
3586 vreinterpret_s16_p8, vreinterpret_s16_p16, vreinterpret_s16_f32,
3587 vreinterpret_s16_p64, vreinterpret_s16_s64, vreinterpret_s16_u64,
3588 vreinterpret_s16_s8, vreinterpret_s16_s32, vreinterpret_s16_u8,
3589 vreinterpret_s16_u16, vreinterpret_s16_u32, vreinterpret_s32_p8,
3590 vreinterpret_s32_p16, vreinterpret_s32_f32, vreinterpret_s32_p64,
3591 vreinterpret_s32_s64, vreinterpret_s32_u64, vreinterpret_s32_s8,
3592 vreinterpret_s32_s16, vreinterpret_s32_u8, vreinterpret_s32_u16,
3593 vreinterpret_s32_u32, vreinterpret_u8_p8, vreinterpret_u8_p16,
3594 vreinterpret_u8_f32, vreinterpret_u8_p64, vreinterpret_u8_s64,
3595 vreinterpret_u8_u64, vreinterpret_u8_s8, vreinterpret_u8_s16,
3596 vreinterpret_u8_s32, vreinterpret_u8_u16, vreinterpret_u8_u32,
3597 vreinterpret_u16_p8, vreinterpret_u16_p16, vreinterpret_u16_f32,
3598 vreinterpret_u16_p64, vreinterpret_u16_s64, vreinterpret_u16_u64,
3599 vreinterpret_u16_s8, vreinterpret_u16_s16, vreinterpret_u16_s32,
3600 vreinterpret_u16_u8, vreinterpret_u16_u32, vreinterpret_u32_p8,
3601 vreinterpret_u32_p16, vreinterpret_u32_f32, vreinterpret_u32_p64,
3602 vreinterpret_u32_s64, vreinterpret_u32_u64, vreinterpret_u32_s8,
3603 vreinterpret_u32_s16, vreinterpret_u32_s32, vreinterpret_u32_u8,
3604 vreinterpret_u32_u16, vreinterpretq_p8_p16, vreinterpretq_p8_f32,
3605 vreinterpretq_p8_p64, vreinterpretq_p8_p128, vreinterpretq_p8_s64,
3606 vreinterpretq_p8_u64, vreinterpretq_p8_s8, vreinterpretq_p8_s16,
3607 vreinterpretq_p8_s32, vreinterpretq_p8_u8, vreinterpretq_p8_u16,
3608 vreinterpretq_p8_u32, vreinterpretq_p16_p8, vreinterpretq_p16_f32,
3609 vreinterpretq_p16_p64, vreinterpretq_p16_p128, vreinterpretq_p16_s64,
3610 vreinterpretq_p16_u64, vreinterpretq_p16_s8, vreinterpretq_p16_s16,
3611 vreinterpretq_p16_s32, vreinterpretq_p16_u8, vreinterpretq_p16_u16,
3612 vreinterpretq_p16_u32, vreinterpretq_f32_p8, vreinterpretq_f32_p16,
3613 vreinterpretq_f32_p64, vreinterpretq_f32_p128, vreinterpretq_f32_s64,
3614 vreinterpretq_f32_u64, vreinterpretq_f32_s8, vreinterpretq_f32_s16,
3615 vreinterpretq_f32_s32, vreinterpretq_f32_u8, vreinterpretq_f32_u16,
3616 vreinterpretq_f32_u32, vreinterpretq_p64_p8, vreinterpretq_p64_p16,
3617 vreinterpretq_p64_f32, vreinterpretq_p64_p128, vreinterpretq_p64_s64,
3618 vreinterpretq_p64_u64, vreinterpretq_p64_s8, vreinterpretq_p64_s16,
3619 vreinterpretq_p64_s32, vreinterpretq_p64_u8, vreinterpretq_p64_u16,
3620 vreinterpretq_p64_u32, vreinterpretq_p128_p8, vreinterpretq_p128_p16,
3621 vreinterpretq_p128_f32, vreinterpretq_p128_p64, vreinterpretq_p128_s64,
3622 vreinterpretq_p128_u64, vreinterpretq_p128_s8, vreinterpretq_p128_s16,
3623 vreinterpretq_p128_s32, vreinterpretq_p128_u8, vreinterpretq_p128_u16,
3624 vreinterpretq_p128_u32, vreinterpretq_s64_p8, vreinterpretq_s64_p16,
3625 vreinterpretq_s64_f32, vreinterpretq_s64_p64, vreinterpretq_s64_p128,
3626 vreinterpretq_s64_u64, vreinterpretq_s64_s8, vreinterpretq_s64_s16,
3627 vreinterpretq_s64_s32, vreinterpretq_s64_u8, vreinterpretq_s64_u16,
3628 vreinterpretq_s64_u32, vreinterpretq_u64_p8, vreinterpretq_u64_p16,
3629 vreinterpretq_u64_f32, vreinterpretq_u64_p64, vreinterpretq_u64_p128,
3630 vreinterpretq_u64_s64, vreinterpretq_u64_s8, vreinterpretq_u64_s16,
3631 vreinterpretq_u64_s32, vreinterpretq_u64_u8, vreinterpretq_u64_u16,
3632 vreinterpretq_u64_u32, vreinterpretq_s8_p8, vreinterpretq_s8_p16,
3633 vreinterpretq_s8_f32, vreinterpretq_s8_p64, vreinterpretq_s8_p128,
3634 vreinterpretq_s8_s64, vreinterpretq_s8_u64, vreinterpretq_s8_s16,
3635 vreinterpretq_s8_s32, vreinterpretq_s8_u8, vreinterpretq_s8_u16,
3636 vreinterpretq_s8_u32, vreinterpretq_s16_p8, vreinterpretq_s16_p16,
3637 vreinterpretq_s16_f32, vreinterpretq_s16_p64, vreinterpretq_s16_p128,
3638 vreinterpretq_s16_s64, vreinterpretq_s16_u64, vreinterpretq_s16_s8,
3639 vreinterpretq_s16_s32, vreinterpretq_s16_u8, vreinterpretq_s16_u16,
3640 vreinterpretq_s16_u32, vreinterpretq_s32_p8, vreinterpretq_s32_p16,
3641 vreinterpretq_s32_f16, vreinterpretq_s32_f32, vreinterpretq_s32_p64,
3642 vreinterpretq_s32_p128, vreinterpretq_s32_s64, vreinterpretq_s32_u64,
3643 vreinterpretq_s32_s8, vreinterpretq_s32_s16, vreinterpretq_s32_u8,
3644 vreinterpretq_s32_u16, vreinterpretq_s32_u32, vreinterpretq_u8_p8,
3645 vreinterpretq_u8_p16, vreinterpretq_u8_f32, vreinterpretq_u8_p64,
3646 vreinterpretq_u8_p128, vreinterpretq_u8_s64, vreinterpretq_u8_u64,
3647 vreinterpretq_u8_s8, vreinterpretq_u8_s16, vreinterpretq_u8_s32,
3648 vreinterpretq_u8_u16, vreinterpretq_u8_u32, vreinterpretq_u16_p8,
3649 vreinterpretq_u16_p16, vreinterpretq_u16_f32, vreinterpretq_u16_p64,
3650 vreinterpretq_u16_p128, vreinterpretq_u16_s64, vreinterpretq_u16_u64,
3651 vreinterpretq_u16_s8, vreinterpretq_u16_s16, vreinterpretq_u16_s32,
3652 vreinterpretq_u16_u8, vreinterpretq_u16_u32, vreinterpretq_u32_p8,
3653 vreinterpretq_u32_p16, vreinterpretq_u32_f32, vreinterpretq_u32_p64,
3654 vreinterpretq_u32_p128, vreinterpretq_u32_s64, vreinterpretq_u32_u64,
3655 vreinterpretq_u32_s8, vreinterpretq_u32_s16, vreinterpretq_u32_s32,
3656 vreinterpretq_u32_u8, vreinterpretq_u32_u16): Rewrite using casts.
3658 2016-02-04 Martin Liska <mliska@suse.cz>
3661 * asan.c (has_stmt_been_instrumented_p): Instrument gimple calls
3662 that are gimple_store_p.
3663 (maybe_instrument_call): Likewise.
3665 2016-02-04 Bin Cheng <bin.cheng@arm.com>
3667 * config/aarch64/aarch64.c (aarch64_legitimize_address): Force
3668 register scaling out of memory reference and comment why.
3670 2016-02-04 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
3674 * cse.c (cse_insn): Pass NULL to fold_rtx when initially
3675 folding the source of a SET.
3677 2016-02-04 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
3681 * config/arm/arm.c (arm_new_rtx_costs, MULT case): Properly extract
3682 the operands of the SIGN_EXTENDs from a SMUL[TB][TB] rtx.
3684 2016-02-04 Jim Wilson <jim.wilson@linaro.org>
3688 * config/arm/arm.h (PROMOTE_MODE): Don't set UNSIGNEDP for QImode and
3691 2016-02-04 Christian Bruel <christian.bruel@st.com>
3693 * config/arm/arm-c.c (arm_reset_previous_fndecl): Style fix and typo.
3694 * config/arm/arm.c (arm_set_current_function): Likewise.
3696 2016-02-04 Jakub Jelinek <jakub@redhat.com>
3697 Ilya Enkovich <enkovich.gnu@gmail.com>
3698 H.J. Lu <hongjiu.lu@intel.com>
3701 * config/i386/i386.c (convert_scalars_to_vector): Remove
3702 stack alignment fixes.
3703 (ix86_option_override_internal): Disable TARGET_STV if stack
3704 might not be aligned enough.
3705 (ix86_minimum_alignment): Assert that TARGET_STV is false.
3707 2016-02-04 Victoria Stepanyan <victoria.stepanyan@amd.com>
3709 * gcc/config/i386/x86-tune.def: Disable default prefetching
3712 2016-02-03 Michael Meissner <meissner@linux.vnet.ibm.com>
3713 Vladimir Makarov <vmakarov@redhat.com>
3716 * config/rs6000/rs6000.c (rs6000_legitimate_address_p): Fix thinko
3717 in validating fused toc addresses.
3719 2016-02-03 Jakub Jelinek <jakub@redhat.com>
3722 * diagnostic-show-locus.c (layout::get_state_at_point): Don't read
3723 range->m_caret fields if range->m_show_caret_p is false.
3726 * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap):
3727 Force oldval into register if it does not satisfy reg_or_short_operand
3728 predicate. Fix up formatting.
3730 2016-02-03 Vladimir Makarov <vmakarov@redhat.com>
3731 Alexandre Oliva <aoliva@redhat.com>
3734 * lra-constraints.c (simplify_operand_subreg): Check additionally
3735 address validity after potential reloading.
3736 (process_address_1): Check insns validity. In case of failure do
3739 2016-02-03 Kirill Yukhin <kirill.yukhin@intel.com>
3742 * config/i386/sse.md (define_insn "avx512f_maskcmp<mode>3"):
3745 2016-02-02 Jakub Jelinek <jakub@redhat.com>
3747 * wide-int.cc (canonize_uhwi): New function.
3748 (wi::divmod_internal): Use it.
3750 2016-02-02 James Norris <jnorris@codesourcery.com
3752 * gimplify.c (omp_notice_variable): Add usage check.
3754 2016-02-02 Alexander Monakov <amonakov@ispras.ru>
3756 * config/nvptx/nvptx.c (nvptx_print_operand): Treat LEU, GEU, LTU, GTU
3757 like LE, GE, LT, GT when emitting relational operator.
3759 2016-02-02 Wilco Dijkstra <wdijkstr@arm.com>
3761 * ira-costs.c (find_costs_and_classes): Add extra argument.
3762 * target.def (ira_change_pseudo_allocno_class): Add parameter.
3763 * targhooks.h (ira_change_pseudo_allocno_class): Likewise.
3764 * targhooks.c (ira_change_pseudo_allocno_class): Likewise.
3765 * config/aarch64/aarch64.c (aarch64_ira_change_pseudo_allocno_class)
3766 Add best_class parameter, and return it if not ALL_REGS.
3767 * config/mips/mips.c (mips_ira_change_pseudo_allocno_class):
3769 * doc/tm.texi (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS):
3772 2016-02-02 Wilco Dijkstra <wdijkstr@arm.com>
3774 * config/aarch64/aarch64.c
3775 (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS): New define.
3776 (aarch64_ira_change_pseudo_allocno_class): New function.
3778 2016-02-02 Uros Bizjak <ubizjak@gmail.com>
3781 * config/i386/i386.c (geode_cost): Increase cost of MMX and SSE moves.
3783 2016-02-02 Senthil Kumar Selvaraj <senthil_kumar.selvaraj@atmel.com>
3785 * config/avr/avr.c (avr_option_override): Set
3786 PARAM_ALLOW_STORE_DATA_RACES to 1.
3788 2016-02-02 Richard Biener <rguenther@suse.de>
3790 PR tree-optimization/69595
3791 * match.pd: Add range test simplifications to true/false.
3793 2016-02-02 Thomas Schwinge <thomas@codesourcery.com>
3795 * omp-builtins.def (BUILT_IN_GOACC_HOST_DATA): Remove.
3796 * omp-low.c (expand_omp_target): Use BUILT_IN_GOACC_DATA_START
3799 2016-02-02 Richard Biener <rguenther@suse.de>
3801 PR tree-optimization/69606
3802 * tree-ssa-math-opts.c (bswap_replace): Clear flow sensitive
3803 info on the result before moving a stmt.
3805 2016-02-02 Yuri Rumyantsev <ysrumyan@gmail.com>
3808 * config/i386/i386.c (ix86_expand_branch): Add support for conditional
3809 branch with vector comparison.
3810 * config/i386/sse.md (VI48_AVX): New mode iterator.
3811 (define_expand "cbranch<mode>4): Add support for conditional branch
3812 with vector comparison.
3813 * tree-vect-loop.c (optimize_mask_stores): New function.
3814 * tree-vect-stmts.c (vectorizable_mask_load_store): Initialize
3815 has_mask_store field of vect_info.
3816 * tree-vectorizer.c (vectorize_loops): Invoke optimaze_mask_stores for
3817 vectorized loops having masked stores after vec_info destroy.
3818 * tree-vectorizer.h (loop_vec_info): Add new has_mask_store field and
3819 correspondent macros.
3820 (optimize_mask_stores): Add prototype.
3822 2016-02-02 Alan Modra <amodra@gmail.com>
3825 * config/rs6000/predicates.md (quad_int_reg_operand): Don't
3828 2016-02-02 Alan Modra <amodra@gmail.com>
3831 * config/rs6000/rs6000.c (need_toc_init): New var, set it
3832 whenever toc_label_name used.
3833 (rs6000_file_start): Don't set up toc section here,
3834 (rs6000_output_function_epilogue): do so here instead,
3835 (rs6000_xcoff_file_start): and here.
3836 * config/rs6000/rs6000.md (load_toc_aix_si): Set need_toc_init.
3837 (load_toc_aix_di): Likewise.
3839 2016-02-01 Jakub Jelinek <jakub@redhat.com>
3841 PR rtl-optimization/69592
3842 * rtlanal.c (nonzero_bits_binary_arith_p): New inline function.
3843 (cached_nonzero_bits): Use it instead of ARITHMETIC_P.
3844 (num_sign_bit_copies_binary_arith_p): New inline function.
3845 (cached_num_sign_bit_copies): Use it instead of ARITHMETIC_P.
3847 2016-02-01 Jeff Law <law@redhat.com>
3849 PR tree-optimization/69580
3850 * params.def (FSM_MAXIMUM_PHI_ARGUMENTS): New param.
3851 * tree-ssa-threadbackward.c
3852 (fsm_find_control_statement_thread_paths): Do not try to walk
3853 through large PHI nodes.
3855 2016-02-01 Jakub Jelinek <jakub@redhat.com>
3857 * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Return false
3858 when count is incremented above limit, don't analyze further
3861 * omp-low.c (oacc_parse_default_dims): Avoid
3862 -Wsign-compare warning, make sure value fits into int
3863 rather than just unsigned int.
3865 2016-02-01 Bin Cheng <bin.cheng@arm.com>
3867 PR tree-optimization/67921
3868 * fold-const.c (split_tree): New parameters. Convert pointer
3869 type variable part to proper type before negating.
3870 (fold_binary_loc): Pass new arguments to split_tree.
3872 2016-02-01 Nathan Sidwell <nathan@codesourcery.com>
3874 * config/nvptx/nvptx.c (PTX_GANG_DEFAULT): New.
3875 (nvptx_goacc_validate_dims): Extend to handle global defaults.
3876 * target.def (OACC_VALIDATE_DIMS): Extend documentation.
3877 * doc/tm.texti: Rebuilt.
3878 * doc/invoke.texi (fopenacc-dim): Document.
3879 * lto-wrapper.c (merge_and_complain): Add OPT_fopenacc_dim_ case.
3880 (append_compiler_options): Likewise.
3881 * omp-low.c (oacc_default_dims, oacc_min_dims): New.
3882 (oacc_parse_default_dims): New.
3883 (oacc_validate_dims): Add USED arg. Select non-unity default when
3885 (oacc_loop_fixed_partitions): Return mask of used partitions.
3886 (oacc_loop_auto_partitions): Emit dump info.
3887 (oacc_loop_partition): Return mask of used partitions.
3888 (execute_oacc_device_lower): Parse default dimension arg. Adjust
3889 loop partitioning and validation calls.
3891 2016-02-01 Richard Biener <rguenther@suse.de>
3894 * match.pd: Guard (C1/X)*C2 -> (C1*C2)/X with single_use.
3896 2016-02-01 Richard Biener <rguenther@suse.de>
3898 PR tree-optimization/69574
3899 * tree-chrec.c (hide_evolution_in_other_loops_than_loop): Instead
3900 of asserting return chrec_dont_know.
3902 2016-02-01 Martin Liska <mliska@suse.cz>
3904 * mem-stats-traits.h: Add copyright header.
3905 * mem-stats.h: Likewise.
3907 2016-02-01 Richard Biener <rguenther@suse.de>
3909 PR tree-optimization/69579
3910 * tree-ssa-loop-ivcanon.c (propagate_constants_for_unrolling):
3911 Do not propagate through abnormal PHI results.
3913 2016-02-01 Eric Botcazou <ebotcazou@adacore.com>
3915 * postreload.c (reload_cse_simplify): Remove dead code.
3917 2016-02-01 Jakub Jelinek <jakub@redhat.com>
3919 PR rtl-optimization/69570
3920 * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Return true only
3921 if there is more than one set, not if there is a single set.
3923 2016-02-01 Richard Henderson <rth@redhat.com>
3926 * combine.c (make_compound_operation): When looking through a
3927 subreg, make sure to re-extend to the width of the outer mode.
3929 2016-01-30 Jakub Jelinek <jakub@redhat.com>
3931 PR tree-optimization/69546
3932 * wide-int.cc (wi::divmod_internal): For unsigned division
3933 where both operands fit into uhwi, if o1 is 1 and o0 has
3934 msb set, if divident_prec is larger than bits per hwi,
3935 clear another quotient word and return 2 instead of 1.
3936 Similarly for remainder with msb in HWI set, if dividend_prec
3937 is larger than bits per hwi.
3939 2016-01-29 Martin Jambor <mjambor@suse.cz>
3941 * hsa-gen.c (get_memory_order_name): Mask with MEMMODEL_BASE_MASK.
3942 Use short lowercase names.
3943 (get_memory_order): Mask with MEMMODEL_BASE_MASK. Support
3944 MEMMODEL_CONSUME with acquire semantics and MEMMODEL_SEQ_CST with
3945 acq_rel one. Protect warning agains segfaults if
3946 get_memory_order_name returns NULL.
3947 (gen_hsa_ternary_atomic_for_builtin): Support with MEMMODEL_SEQ_CST
3948 with release semantics. Do not warn if get_memory_order already did.
3949 (gen_hsa_insns_for_call): Support with MEMMODEL_SEQ_CST with acquire
3950 semantics. Fix check for relaxed or acquire semantics. Do not warn
3951 if get_memory_order already did.
3953 2016-01-29 Sebastian Pop <s.pop@samsung.com>
3955 * doc/install.texi: Document that isl-0.16 is supported.
3957 2016-01-29 Vladimir Makarov <vmakarov@redhat.com>
3960 * config/i386/constraints.md (Bm): Describe as special memory
3962 * doc/md.texi (DEFINE_SPECIAL_MEMORY_CONSTRAINT): Describe it.
3963 * genoutput.c (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
3964 * genpreds.c (struct constraint_data): Add is_special_memory.
3965 (have_special_memory_constraints, special_memory_start): New
3967 (special_memory_end): Ditto.
3968 (add_constraint): Add new arg is_special_memory. Add code to
3969 process its true value. Update have_special_memory_constraints.
3970 (process_define_constraint): Pass the new arg.
3971 (process_define_register_constraint): Ditto.
3972 (choose_enum_order): Process special memory.
3973 (write_tm_preds_h): Generate enum const CT_SPECIAL_MEMORY and
3974 function insn_extra_special_memory_constraint.
3975 (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
3976 * gensupport.c (process_rtx): Process
3977 DEFINE_SPECIAL_MEMORY_CONSTRAINT.
3978 * ira-costs.c (record_reg_classes): Process CT_SPECIAL_MEMORY.
3979 * ira-lives.c (single_reg_class): Use
3980 insn_extra_special_memory_constraint.
3981 * ira.c (ira_setup_alts): Process CT_SPECIAL_MEMORY.
3982 * lra-constraints.c (process_alt_operands): Ditto.
3983 (curr_insn_transform): Use insn_extra_special_memory_constraint.
3984 * recog.c (asm_operand_ok, preprocess_constraints): Process
3986 * reload.c (find_reloads): Ditto.
3987 * rtl.def (DEFINE_SPECIFAL_MEMORY_CONSTRAINT): New.
3988 * stmt.c (parse_input_constraint): Use
3989 insn_extra_special_memory_constraint.
3991 2016-01-29 H.J. Lu <hongjiu.lu@intel.com>
3994 * lra-splill.c (lra_final_code_change): Revert r229087 by
3995 removing all sub-registers.
3997 2016-01-29 Steve Ellcey <sellcey@imgtec.com>
4000 * config/mips/mips.c (mips_output_division): Check flag_delayed_branch.
4002 2016-01-29 Jakub Jelinek <jakub@redhat.com>
4005 * config/i386/i386.c (ix86_expand_vector_set) <case V4SImode>: For
4006 SSE1, copy target into the temporary reg first before recursing
4009 2016-01-29 H.J. Lu <hongjiu.lu@intel.com>
4011 * config/i386/sse.md (sse2_cvtps2pd<mask_name>): Replace vBm
4014 2016-01-29 Jonathan Wakely <jwakely@redhat.com>
4016 * ginclude/stdarg.h: Test __cplusplus instead of
4017 __GXX_EXPERIMENTAL_CXX0X__.
4019 2016-01-29 Richard Biener <rguenther@suse.de>
4021 PR tree-optimization/69547
4022 * tree-ssa-dce.c (mark_aliased_reaching_defs_necessary_1):
4023 Do not mark clobbers necessary.
4024 (mark_all_reaching_defs_necessary_1): Likewise.
4026 2016-01-29 Dominik Vogt <vogt@linux.vnet.ibm.com>
4028 * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Format
4029 declaration name with %qs and print it in both error messages.
4030 Also fix indentation.
4032 2016-01-29 Dominik Vogt <vogt@linux.vnet.ibm.com>
4035 * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Remove
4036 trailing blank line from error message.
4038 2016-01-29 Jonathan Wakely <jwakely@redhat.com>
4041 * ginclude/float.h: Also provide FLT_EVAL_METHOD and DECIMAL_DIG
4044 2016-01-29 Richard Biener <rguenther@suse.de>
4047 * match.pd: Allow all integral types when simplifying a
4048 widening or sign-changing conversion.
4050 2016-01-28 Sebastian Pop <s.pop@samsung.com>
4052 * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Revert assert
4053 back to setting codegen_error to fail codegen.
4055 2016-01-28 Uros Bizjak <ubizjak@gmail.com>
4058 * config/i386/constraints.md (C): Only accept constant zero operand.
4059 (BC): New constraint.
4060 * config/i386/sse.md (*mov<mode>_internal): Use BC constraint
4061 instead of C constraint.
4062 * doc/md.texi (Machine Constraints): Update description
4065 2016-01-28 Steve Ellcey <sellcey@imgtec.com>
4068 * config/mips/mips.c (and_operands_ok): Add MIPS16 check.
4070 2016-01-28 Jakub Jelinek <jakub@redhat.com>
4073 * lra-remat.c (calculate_local_reg_remat_bb_data): Only consider
4076 2016-01-28 Pat Haugen <pthaugen@us.ibm.com>
4078 * config/rs6000/rs6000.c (output_cbranch): Don't statically predict
4079 branches if using guessed profile.
4081 2016-01-28 H.J. Lu <hongjiu.lu@intel.com>
4083 * graphite-optimize-isl.c (optimize_isl): Fix dump.
4085 2016-01-28 Richard Henderson <rth@redhat.com>
4088 * config/aarch64/aarch64-modes.def (CC_Cmode): New
4089 * config/aarch64/aarch64-protos.h: Update.
4090 * config/aarch64/aarch64.c (aarch64_zero_extend_const_eq): New.
4091 (aarch64_select_cc_mode): Add check for use of CC_Cmode.
4092 (aarch64_get_condition_code_1): Handle CC_Cmode.
4093 * config/aarch64/aarch64.md (addti3): Use adddi3_compareC.
4094 (*add<mode>3_compareC_cconly_imm): New.
4095 (*add<mode>3_compareC_cconly): New.
4096 (*add<mode>3_compareC_imm): New.
4097 (add<mode>3_compareC): New.
4098 (add<mode>3_carryin, *addsi3_carryin_uxtw): Sort compare operand
4099 to be first. Use aarch64_carry_operation.
4100 (*add<mode>3_carryin_alt1, *addsi3_carryin_alt1_uxtw): Remove.
4101 (*add<mode>3_carryin_alt2, *addsi3_carryin_alt2_uxtw): Remove.
4102 (*add<mode>3_carryin_alt3, *addsi3_carryin_alt3_uxtw): Remove.
4103 (subti3): Use subdi3_compare1.
4104 (*sub<mode>3_compare0): Rename from sub<mode>3_compare0.
4105 (sub<mode>3_compare1): New.
4106 (*sub<mode>3_carryin0, *subsi3_carryin_uxtw): New.
4107 (*sub<mode>3_carryin): Use aarch64_borrow_operation.
4108 (*subsi3_carryin_uxtw): Likewise.
4109 (*ngc<mode>, *ngcsi_uxtw): Likewise.
4110 (*sub<mode>3_carryin_alt, *subsi3_carryin_alt_uxtw): New.
4111 * config/aarch64/iterators.md (DWI): New.
4112 * config/aarch64/predicates.md (aarch64_carry_operation): New.
4113 (aarch64_borrow_operation): New.
4115 2016-01-28 Abderrazek Zaafrani <a.zaafrani@samsung.com>
4117 * graphite-optimize-isl.c (optimize_isl): Print a different debug
4118 message when isl does not return a valid schedule.
4120 2016-01-28 Sebastian Pop <s.pop@samsung.com>
4122 * graphite-isl-ast-to-gimple.c (class translate_isl_ast_to_gimple):
4123 Remove comments from class declarations: they are already in the code
4126 2016-01-28 Sebastian Pop <s.pop@samsung.com>
4128 * graphite-isl-ast-to-gimple.c (binary_op_to_tree): Call
4130 (ternary_op_to_tree): Same.
4131 (unary_op_to_tree): Same.
4132 (nary_op_to_tree): Same.
4133 (gcc_expression_from_isl_expr_op): Same.
4134 (gcc_expression_from_isl_expression): Same.
4135 (graphite_create_new_loop): Same.
4136 (graphite_create_new_loop_guard): Same.
4137 (build_iv_mapping): Same.
4138 (graphite_create_new_guard): Same.
4139 (translate_isl_ast_to_gimple::copy_loop_phi_nodes): Same.
4140 (translate_isl_ast_to_gimple::translate_pending_phi_nodes): Same.
4142 2016-01-28 Sebastian Pop <s.pop@samsung.com>
4144 * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Assert
4145 instead of setting codegen_error to fail codegen.
4147 2016-01-28 Jason Merrill <jason@redhat.com>
4149 * tree.h (BINFO_FLAG_0): Rename from BINFO_MARKED.
4151 2016-01-28 Wilco Dijkstra <wdijkstr@arm.com>
4153 * config/aarch64/aarch64.c (aarch64_if_then_else_costs):
4154 Remove CONST_INT_P check in CCMP cost calculation.
4156 2016-01-28 Wilco Dijkstra <wdijkstr@arm.com>
4158 * config/aarch64/aarch64.c (generic_vector_cost):
4159 Set vec_permute_cost.
4160 (cortexa57_vector_cost): Likewise.
4161 (exynosm1_vector_cost): Likewise.
4162 (xgene1_vector_cost): Likewise.
4163 (aarch64_builtin_vectorization_cost): Use vec_permute_cost.
4164 * config/aarch64/aarch64-protos.h (cpu_vector_cost):
4165 Add vec_permute_cost entry.
4167 2016-01-28 Wilco Dijkstra <wdijkstr@arm.com>
4169 * config/aarch64/aarch64.md (ccmp<mode>): Disassemble
4171 (add<mode>3_compare0): Likewise.
4172 (addsi3_compare0_uxtw): Likewise.
4173 (add<mode>3nr_compare0): Likewise.
4174 (compare_neg<mode>): Likewise.
4175 (<optab><mode>3): Likewise.
4177 2016-01-28 Ilya Enkovich <enkovich.gnu@gmail.com>
4179 * tree-vect-stmts.c (vectorizable_comparison): Add
4180 NULL check for vectype.
4182 2016-01-28 Richard Biener <rguenther@suse.de>
4184 PR tree-optimization/69466
4185 * tree-vect-loop-manip.c (slpeel_duplicate_current_defs_from_edges):
4186 Account for PHIs we couldn't duplicate.
4188 2016-01-28 Martin Liska <mliska@suse.cz>
4191 * ggc-common.c (gt_pch_save): Use ENABLE_VALGRIND_ANNOTATIONS macro
4192 instead of ENABLE_VALGRIND_CHECKING.
4194 2016-01-27 Richard Henderson <rth@redhat.com>
4197 * lra-remat.c (subreg_regs): New.
4198 (dump_candidates_and_remat_bb_data): Dump it.
4199 (operand_to_remat): Reject if operand in subreg_regs.
4200 (set_bb_regs): Collect subreg_regs.
4201 (lra_remat): Init and free subreg_regs. Compute
4202 calculate_local_reg_remat_bb_data before create_cands.
4204 2016-01-27 H.J. Lu <hongjiu.lu@intel.com>
4207 * config/i386/i386.c (ix86_update_stack_boundary): Don't
4208 change stack_alignment_needed for __tls_get_addr call.
4210 2016-01-27 Segher Boessenkool <segher@kernel.crashing.org>
4212 * config/rs6000/rs6000.c (print_operand): Rollback 's' removal.
4214 2016-01-27 Jeff Law <law@redhat.com>
4216 PR tree-optimization/68398
4217 PR tree-optimization/69196
4218 * params.def (PARAM_FSM_SCALE_PATH_STMTS): New parameter.
4219 (PARAM_FSM_SCALE_PATH_BLOCKS): Likewise.
4220 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
4221 Only count PHIs in the last block in the path. The others will
4222 const/copy propagate away. Add heuristic to allow more irreducible
4223 subloops to be created when it is likely profitable to do so.
4225 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
4226 Fix typo in comment. Use gsi_after_labels and remove the GIMPLE_LABEL
4227 check from within the loop. Use gsi_next_nondebug rather than gsi_next.
4229 2016-01-27 Jakub Jelinek <jakub@redhat.com>
4232 * sanitizer.def: Add BEGIN_SANITIZER_BUILTINS and
4233 END_SANITIZER_BUILTINS markers using DEF_BUILTIN_STUB.
4234 * asan.c (DEF_BUILTIN_STUB): Temporarily define.
4235 * tree-streamer-in.c: Include asan.h.
4236 (streamer_get_builtin_tree): For builtins in sanitizer
4237 range call initialize_sanitizer_builtins and retry.
4239 2016-01-27 Ian Lance Taylor <iant@google.com>
4241 * common.opt (fkeep-gc-roots-live): New undocumented option.
4242 * tree-ssa-loop-ivopts.c (add_candidate_1): If
4243 -fkeep-gc-roots-live, skip pointers.
4244 (add_iv_candidate_for_biv): Handle add_candidate_1 returning
4247 2016-01-27 Uros Bizjak <ubizjak@gmail.com>
4250 * config/i386/i386.md (*zext<mode>_doubleword_and): New pattern.
4251 (*zext<mode>_doubleword): Disable for TARGET_ZERO_EXTEND_WITH_AND.
4253 2016-01-27 Thomas Klausner <wiz@NetBSD.org>
4256 * configure.ac: NetBSD provides SSP in its C library.
4257 * configure: Updated.
4259 2016-01-27 Richard Biener <rguenther@suse.de>
4261 PR tree-optimization/69166
4262 * tree-vect-loop.c (vect_is_simple_reduction): Always check
4263 reduction code for commutativity / associativity.
4265 2016-01-27 Martin Jambor <mjambor@suse.cz>
4267 PR tree-optimization/69355
4268 * tree-sra.c (analyze_access_subtree): Correct hole detection when
4269 total_scalarization fails.
4271 2016-01-27 David Edelsohn <dje.gcc@gmail.com>
4273 * config/rs6000/driver-rs6000.c (detect_processor_aix): Add
4276 2016-01-27 Christian Bruel <christian.bruel@st.com>
4279 * config/arm/arm-c.c (arm_pragma_target_parse): Add comments.
4280 Move arm_reset_previous_fndecl and set_target_option_current_node in
4281 the conditional part. Call save_restore_target_globals.
4282 * config/arm/arm.c (arm_set_current_function):
4283 Refactor to better support #pragma target and attribute mix.
4284 Call save_restore_target_globals.
4285 * config/arm/arm-protos.h (save_restore_target_globals): New function.
4287 2016-01-27 Martin Liska <mliska@suse.cz>
4289 * hsa.c (hsa_summary_t::link_functions): Create IPA_REF_ADDR
4290 reference for an HSA kernel and its host function.
4292 2016-01-27 Jakub Jelinek <jakub@redhat.com>
4294 PR tree-optimization/69399
4295 * wide-int.h (wi::lrshift): For larger precisions, only
4296 use fast path if shift is known to be < HOST_BITS_PER_WIDE_INT.
4298 2016-01-27 Claudiu Zissulescu <claziss@synopsys.com>
4300 * config/arc/predicates.md (proper_comparison_operator): Reject
4301 constant-constant comparison.
4303 2016-01-26 Tom de Vries <tom@codesourcery.com>
4305 PR tree-optimization/69110
4306 * tree-data-ref.c (initialize_data_dependence_relation): Handle
4307 DR_NUM_DIMENSIONS == 0.
4309 2016-01-26 Abderrazek Zaafrani <a.zaafrani@samsung.com>
4310 Sebastian Pop <s.pop@samsung.com>
4312 * graphite-isl-ast-to-gimple.c (ternary_op_to_tree): Handle
4313 isl_ast_op_cond and isl_ast_op_select.
4314 (gcc_expression_from_isl_expr_op): Same.
4316 2016-01-26 Jason Merrill <jason@redhat.com>
4319 * tree.c (recompute_constructor_flags): Split out from
4321 (verify_constructor_flags): New.
4322 * tree.h: Declare them.
4324 2016-01-26 Iain Buclaw <ibuclaw@gdcproject.org>
4326 PR rtl-optimization/69217
4327 * var-tracking.c (tracked_record_parameter_p): Don't segfault if there
4328 are no TYPE_FIELDS set for the record type.
4330 2016-01-26 Jakub Jelinek <jakub@redhat.com>
4333 * config/rs6000/rs6000.c (rs6000_option_override_internal): Initialize
4334 toc_label_name unconditionally.
4335 (rs6000_emit_load_toc_table): Call ggc_strdup on toc_label_name for
4336 SYMBOL_REF string. Use toc_label_name instead of constructing
4338 (rs6000_elf_declare_function_name): Use toc_label_name instead of
4339 constructing LCTOC1.
4341 2016-01-26 Martin Sebor <msebor@redhat.com>
4344 * doc/extend.texi (Common Type Attributes): Move text that talks about
4345 attribute packed from attribute aligned to the section discussing
4346 the former attribute for clarity.
4348 2016-01-26 Richard Henderson <rth@redhat.com>
4351 * trans-mem.c (tm_region_init): Mark entry block as visited.
4353 2016-01-26 David Malcolm <dmalcolm@redhat.com>
4356 * diagnostic-show-locus.c (layout::print_source_line): Replace
4357 call to pp_newline with call to layout::print_newline.
4358 (layout::print_annotation_line): Likewise.
4359 (layout::move_to_column): Likewise.
4360 (layout::print_any_fixits): After printing any fixits, print a
4361 trailing newline, if necessary.
4362 (layout::print_newline): New method, resetting any colorization
4364 (diagnostic_show_locus): Move the pp_newline to before the
4365 early bailout. Remove dummy block enclosing the layout instance.
4366 * diagnostic.c (default_diagnostic_finalizer): Replace invocation
4367 of pp_newline_and_flush with pp_flush.
4368 (diagnostic_append_note): Delete use of pp_newline.
4369 (diagnostic_append_note_at_rich_loc): Delete.
4370 * diagnostic.h (diagnostic_append_note_at_rich_loc): Delete.
4371 * pretty-print.h (output_buffer_append_r): Reset buff->line_length
4372 when newline characters are added to the buffer.
4374 2016-01-26 Michael Matz <matz@suse.de>
4376 * configure.ac (ac_cv_std_swap_in_utility): New test.
4377 * system.h (<algorithm>): Check HAVE_SWAP_IN_UTILITY as well.
4378 * configure: Regenerate.
4379 * config.in: Regenerate.
4381 2016-01-26 Claudiu Zissulescu <claziss@synopsys.com>
4383 * config/arc/arc.md (cstoresi4): Force operand into register.
4384 (arcset<code>): Fix predicate.
4385 (arcsetltu): Likewise.
4386 (arcsetgeu): Likewise.
4387 (arcsethi): Likewise.
4388 (arcsetls): Likewise.
4390 2016-01-26 Jakub Jelinek <jakub@redhat.com>
4392 PR tree-optimization/69483
4393 * gimple-fold.c (canonicalize_constructor_val): Return NULL
4394 if base has error_mark_node type.
4396 2016-01-26 Christophe Lyon <christophe.lyon@linaro.org>
4399 * config/arm/arm.c (neon_valid_immediate): Handle FP16 vectors.
4400 * config/arm/arm_neon.h (__ARM_NUM_LANES, __arm_lane, arm_lanq):
4402 (vget_lane_f16): Handle big-endian.
4403 (vgetq_lane_f16): Likewise.
4404 (vset_lane_f16): Likewise.
4405 (vsetq_lane_f16): Likewise.
4406 * config/arm/iterators.md (VQXMOV): Add V8HF.
4407 (VDQ): Add V4HF and V8HF.
4408 (V_reg): Handle V4HF and V8HF.
4409 (Is_float_mode): Likewise.
4410 * config/arm/neon.md (movv4hf, movv8hf, neon_vdup_nv4hf,
4411 neon_vdup_nv8hf): New patterns.
4412 (vec_set<mode>_internal, vec_extract<mode>, neon_vld1_dup<mode>):
4413 Use VD_LANE iterator.
4414 (neon_vld1_dup<mode>): Use VQ2 iterator.
4416 2016-01-26 Nathan Sidwell <nathan@acm.org>
4418 * omp-low.h (oacc_fn_attrib_kernels_p): Declare.
4419 (set_oacc_fn_attrib): Add IS_KERNEL arg.
4420 * omp-low.c (set_oacc_fn_attrib): Add IS_KERNEL arg.
4421 (oacc_fn_attrib_kernels_p, oacc_fn_attrib_level): New.
4422 (expand_omp_target): Pass is_kernel to set_oacc_fn_attrib.
4423 (oacc_validate_dims): Add LEVEL arg, don't return level.
4424 (new_oacc_loop_routine): Use oacc_fn_attrib_level, not
4426 (execute_oacc_device_lower): Adjust, add more dump output.
4427 * tree-ssa-loop.c (gate_oacc_kernels): Use
4428 oacc_fn_attrib_kernels_p.
4429 * tree-parloops.c (create_parallel_loop): Adjust
4430 set_oacc_fn_attrib call.
4432 2016-01-26 Jakub Jelinek <jakub@redhat.com>
4435 * lto-wrapper.c (merge_and_complain): Handle -fcilkplus.
4436 (append_compiler_options): Handle -fcilkplus.
4437 (append_linker_options): Ignore -fno-{openmp,openacc,cilkplus}.
4439 2016-01-26 Nick Clifton <nickc@redhat.com>
4442 * config/i386/winnt.c (i386_pe_binds_local_p): If a function has
4443 been marked as DECL_ONE_ONLY but we do not the means to make it
4444 so, then do not allow it to bind locally.
4446 2016-01-26 Jakub Jelinek <jakub@redhat.com>
4449 * opts.h (parse_sanitizer_options): New prototype.
4450 * opts.c (sanitizer_opts): New array.
4451 (parse_sanitizer_options): New function.
4452 (common_handle_option): Use parse_sanitizer_options.
4454 2016-01-26 H.J. Lu <hongjiu.lu@intel.com>
4457 * config/i386/i386.c (ix86_compute_frame_layout): Move stack
4458 alignment adjustment to ...
4459 (ix86_update_stack_boundary): Here. Don't over-align stack for
4461 (ix86_finalize_stack_realign_flags): Use stack_alignment_needed
4462 if __tls_get_addr is called.
4464 2016-01-26 Christian Bruel <christian.bruel@st.com>
4466 * doc/sourcebuild.texi (arm_crypto_pragma_ok): Remove.
4468 2016-01-26 Eric Botcazou <ebotcazou@adacore.com>
4470 * config/ia64/ia64.c (ia64_expand_vecint_compare): Use gen_int_mode.
4472 2016-01-26 Richard Biener <rguenther@suse.de>
4475 * match.pd: Guard X * CST CMP 0 pattern with single_use.
4477 2016-01-26 Richard Biener <rguenther@suse.de>
4479 PR tree-optimization/69452
4480 * tree-ssa-loop-im.c (move_computations_dom_walker): Remove.
4481 (move_computations_dom_walker::before_dom_children): Rename
4483 (move_computations_worker): This.
4484 (move_computations): Perform an RPO rather than a DOM walk.
4486 2016-01-26 Jakub Jelinek <jakub@redhat.com>
4489 * combine.c (combine_instructions): For REG_EQUAL note with
4490 SET_DEST being ZERO_EXTRACT, also temporarily set SET_DEST
4491 to the underlying register.
4492 * doc/rtl.texi (REG_EQUAL): Document the behavior of
4493 REG_EQUAL/REG_EQUIV notes if SET_DEST is ZERO_EXTRACT.
4495 2016-01-26 Roger Ferrer Ibáñez <rofirrim@gmail.com>
4498 * config/aarch64/aarch64-builtins.c
4499 (aarch64_init_simd_builtin_types): Do not set structural
4500 equality to __Poly{8,16,64,128}_t types.
4502 2016-01-26 Richard Sandiford <richard.sandiford@arm.com>
4504 PR tree-optimization/69400
4505 * wide-int.cc (wi_pack): Take the precision as argument and
4506 perform canonicalization here rather than in the callers.
4507 Use the main loop to handle all full-width HWIs. Add a
4508 zero HWI if in_len isn't a full result.
4509 (wi::divmod_internal): Update accordingly.
4510 (wi::mul_internal): Likewise. Simplify.
4512 2016-01-25 Aditya Kumar <aditya.k7@samsung.com>
4513 Sebastian Pop <s.pop@samsung.com>
4515 * graphite-poly.c (apply_poly_transforms): Simplify.
4516 (print_isl_set): Use more readable format: ISL_YAML_STYLE_BLOCK.
4517 (print_isl_map): Same.
4518 (print_isl_union_map): Same.
4519 (print_isl_schedule): New.
4520 (debug_isl_schedule): New.
4521 * graphite-dependences.c (scop_get_reads): Do not call
4522 isl_union_map_add_map that is undocumented isl functionality.
4523 (scop_get_must_writes): Same.
4524 (scop_get_may_writes): Same.
4525 (scop_get_original_schedule): Remove.
4526 (scop_get_dependences): Do not call isl_union_map_compute_flow that
4527 is deprecated in isl 0.15. Instead, use isl_union_access_* interface.
4528 (compute_deps): Remove.
4529 * graphite-isl-ast-to-gimple.c (print_schedule_ast): New.
4530 (debug_schedule_ast): New.
4531 (translate_isl_ast_to_gimple::scop_to_isl_ast): Call
4532 set_separate_option.
4533 (graphite_regenerate_ast_isl): Add dump.
4534 (translate_isl_ast_to_gimple::scop_to_isl_ast): Generate code
4535 from scop->transformed_schedule.
4536 (graphite_regenerate_ast_isl): Add more dump.
4537 * graphite-optimize-isl.c (optimize_isl): Set
4538 scop->transformed_schedule. Check whether schedules are equal.
4539 (apply_poly_transforms): Move here.
4540 * graphite-poly.c (apply_poly_transforms): ... from here.
4541 (free_poly_bb): Static.
4542 (free_scop): Static.
4543 (pbb_number_of_iterations_at_time): Remove.
4544 (print_isl_ast): New.
4545 (debug_isl_ast): New.
4546 (debug_scop_pbb): New.
4547 * graphite-scop-detection.c (print_edge): Move.
4549 * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Remove.
4550 (build_scop_scattering): Remove.
4551 (create_pw_aff_from_tree): Assert instead of bailing out.
4552 (add_condition_to_pbb): Remove unused code, do not fail.
4553 (add_conditions_to_domain): Same.
4554 (add_conditions_to_constraints): Remove.
4555 (build_scop_context): New.
4556 (add_iter_domain_dimension): New.
4557 (build_iteration_domains): Initialize pbb->iterators.
4558 Call add_conditions_to_domain.
4561 (index_outermost_in_loop): New.
4562 (index_pbb_in_loop): New.
4563 (outermost_pbb_in): New.
4564 (add_in_sequence): New.
4565 (add_outer_projection): New.
4566 (outer_projection_mupa): New.
4567 (add_loop_schedule): New.
4568 (build_schedule_pbb): New.
4569 (build_schedule_loop): New.
4570 (embed_in_surrounding_loops): New.
4571 (build_schedule_loop_nest): New.
4572 (build_original_schedule): New.
4573 (build_poly_scop): Call build_original_schedule.
4574 * graphite.h: Declare print_isl_schedule and debug_isl_schedule.
4575 (free_poly_dr): Remove.
4576 (struct poly_bb): Add iterators. Remove schedule, transformed, saved.
4577 (free_poly_bb): Remove.
4578 (debug_loop_vec): Remove.
4579 (print_isl_ast): Declare.
4580 (debug_isl_ast): Declare.
4581 (scop_do_interchange): Remove.
4582 (scop_do_strip_mine): Remove.
4583 (scop_do_block): Remove.
4584 (flatten_all_loops): Remove.
4585 (optimize_isl): Remove.
4586 (pbb_number_of_iterations_at_time): Remove.
4587 (debug_scop_pbb): Declare.
4588 (print_schedule_ast): Declare.
4589 (debug_schedule_ast): Declare.
4590 (struct scop): Remove schedule. Add original_schedule,
4591 transformed_schedule.
4592 (free_gimple_poly_bb): Remove.
4593 (print_generated_program): Remove.
4594 (debug_generated_program): Remove.
4595 (unify_scattering_dimensions): Remove.
4596 * sese.c (print_edge): ... here.
4597 (print_sese): ... here.
4598 (debug_edge): ... here.
4599 (debug_sese): ... here.
4600 * sese.h (print_edge): Declare.
4601 (print_sese): Declare.
4602 (dump_edge): Declare.
4603 (dump_sese): Declare.
4605 2016-01-25 Aditya Kumar <aditya.k7@samsung.com>
4606 Sebastian Pop <s.pop@samsung.com>
4608 * Makefile.in: Set ISLVER in site.exp.
4610 2016-01-25 Jakub Jelinek <jakub@redhat.com>
4612 * omp-low.c (lower_omp_target) <case USE_DEVICE_PTR>: Set
4613 DECL_VALUE_EXPR of new_var even for the non-array case. Look
4614 through DECL_VALUE_EXPR for expansion.
4616 2016-01-25 Bernd Edlinger <bernd.edlinger@hotmail.de>
4618 * config/mips/mips.c (mips_compute_frame_info): Skip re-computing
4619 the frame info after reload completed.
4621 2016-01-25 Jeff Law <law@redhat.com>
4623 PR tree-optimization/69196
4624 PR tree-optimization/68398
4625 * tree-ssa-threadupdate.h (enum bb_dom_status): Moved here from
4626 tree-ssa-threadupdate.c.
4627 (determine_bb_domination_status): Prototype
4628 * tree-ssa-threadupdate.c (enum bb_dom_status): Remove
4629 (determine_bb_domination_status): No longer static.
4630 (valid_jump_thread_path): Remove code to detect characteristics
4631 of the jump thread path not associated with correctness.
4632 * tree-ssa-threadbackward.c (fsm_find_control_statment_thread_paths):
4633 Correct test for thread path length. Count PHIs for real operands as
4634 statements that need to be copied. Do not count ASSERT_EXPRs.
4635 Look at all the blocks in the thread path. Compute and selectively
4636 filter thread paths based on threading through the latch, threading
4637 a multiway branch or crossing a multiway branch.
4639 2016-01-25 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
4641 * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled): Add
4642 decl with __attribute__ ((unused)) annotation.
4644 2016-01-25 Ilya Enkovich <enkovich.gnu@gmail.com>
4647 * tree-vect-stmts.c (vectorizable_condition): Check vectype
4648 of operands is compatible with a statement vectype.
4650 2016-01-25 Eric Botcazou <ebotcazou@adacore.com>
4652 * doc/extend.texi (scalar_storage_order type attribute): Fix typo and
4653 improve wording for mixed storage order support.
4655 2016-01-25 Bilyan Borisov <bilyan.borisov@arm.com>
4657 * config/aarch64/arm_neon.h (vcvt_s64_f64): New intrinsic.
4658 (vcvt_u64_f64): Likewise.
4659 (vcvta_s64_f64): Likewise.
4660 (vcvta_u64_f64): Likewise.
4661 (vcvtm_s64_f64): Likewise.
4662 (vcvtm_u64_f64): Likewise.
4663 (vcvtn_s64_f64): Likewise.
4664 (vcvtn_u64_f64): Likewise.
4665 (vcvtp_s64_f64): Likewise.
4666 (vcvtp_u64_f64): Likewise.
4668 2016-01-25 Claudiu Zissulescu <claziss@synopsys.com>
4670 * config/arc/arc.c (TARGET_DWARF_REGISTER_SPAN): Define.
4671 (arc_init): Check validity mll64 option.
4672 (arc_save_restore): Use double load/store instruction.
4673 (arc_expand_movmem): Likewise.
4674 (arc_split_move): Don't split if we have double load/store
4675 instructions. Returns a boolean.
4676 (arc_process_double_reg_moves): Change function to return boolean
4677 instead of a sequence of instructions.
4678 (arc_dwarf_register_span): New function.
4679 * config/arc/arc-protos.h (arc_split_move): Change prototype.
4680 * config/arc/arc.h (TARGET_CPU_CPP_BUILTINS): Define __ARC_LL64__.
4681 * config/arc/arc.md (*movdi_insn): Emit ldd/std instructions.
4682 (*movdf_insn): Likewise.
4683 * config/arc/arc.opt (mll64): New option.
4684 * config/arc/predicates.md (even_register_operand): New predicate.
4685 * doc/invoke.texi (ARC Options): Add mll64 documentation.
4687 2016-01-25 Richard Biener <rguenther@suse.de>
4690 * dwarf2out.c (is_naming_typedef_decl): Not when DECL_NAMELESS.
4691 * tree-streamer-out.c (pack_ts_base_value_fields): Stream
4693 * tree-streamer-in.c (unpack_ts_base_value_fields): Likewise.
4695 2016-01-25 Richard Biener <rguenther@suse.de>
4697 PR tree-optimization/69376
4698 * tree-ssa-sccvn.h (struct vn_ssa_aux): Add range_info_anti_range_p
4700 (VN_INFO_ANTI_RANGE_P): New inline.
4701 (VN_INFO_RANGE_TYPE): Likewise.
4702 * tree-ssa-sccvn.c (set_ssa_val_to): Also record and copy
4703 SSA_NAME_ANTI_RANGE_P.
4704 (free_scc_vn): Restore SSA_NAME_ANTI_RANGE_P.
4705 * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
4706 Properly query VN_INFO_RANGE_TYPE.
4708 2016-01-25 Nick Clifton <nickc@redhat.com>
4711 * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Remove definition.
4713 2016-01-23 Tom de Vries <tom@codesourcery.com>
4715 PR tree-optimization/69426
4716 * tree-parloops.c (eliminate_local_variables_stmt): Handle vdef of
4719 2016-01-23 Jakub Jelinek <jakub@redhat.com>
4721 * tree-ssanames.c (release_free_names_and_compact_live_names): Replace
4722 "the the" with "the" in the comments.
4723 * ipa-devirt.c (build_type_inheritance_graph,
4724 update_type_inheritance_graph): Likewise.
4725 * tree.c (build_function_type_list_1): Likewise.
4726 * cfgloopmanip.c (scale_loop_profile): Likewise.
4727 * tree-ssa-loop-ivopts.c (get_shiftadd_cost): Likewise.
4728 * gimple-ssa-split-paths.c
4729 (find_block_to_duplicate_for_splitting_paths): Likewise.
4730 * tree-sra.c (init_subtree_with_zero, clobber_subtree): Likewise.
4731 * expr.c (convert_move): Likewise.
4732 * var-tracking.c (vt_stack_adjustments): Likewise.
4733 * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Likewise.
4734 * tree-vrp.c (test_for_singularity): Likewise.
4736 * tree-vect-stmts.c (vectorizable_condition): Build a VEC_COND_EXPR
4737 directly instead of building a temporary tree.
4740 * genrecog.c: Define INCLUDE_ALGORITHM before including system.h,
4741 remove <algorithm> include.
4743 2016-01-22 Jakub Jelinek <jakub@redhat.com>
4746 * config/i386/i386.c: Include dojump.h.
4747 (expand_small_movmem_or_setmem,
4748 expand_set_or_movmem_prologue_epilogue_by_misaligned_moves): Spelling
4750 (ix86_expand_set_or_movmem): Call do_pending_stack_adjust () early
4751 if dynamic_check != -1.
4753 2016-01-21 Jeff Law <law@redhat.com>
4756 * tree-ssa-dom.c (back_propagate_equivalences): Factored out of
4757 record_temporary_equivalences. Rewritten to avoid unnecessary calls
4758 into dominated_by_p.
4759 (cprop_into_successor_phis): Avoid unnecessary tests.
4761 2016-01-22 Richard Henderson <rth@redhat.com>
4764 * config/aarch64/aarch64.md (UNSPEC_NZCV): New.
4765 (ccmp<mode>, fccmp<mode>, fccmpe<mode>): Use it.
4767 2016-01-22 Michael Matz <matz@suse.de>
4769 * system.h (string, algorithm): Include only conditionally.
4770 (new): Include always under C++.
4771 * bb-reorder.c (toplevel): Define INCLUDE_ALGORITHM.
4772 * final.c (toplevel): Ditto.
4773 * ipa-chkp.c (toplevel): Define INCLUDE_STRING.
4774 * genconditions.c (write_header): Make gencondmd.c define
4776 * mem-stats.h (mem_usage::print_dash_line): Don't use std::string.
4778 * config/aarch64/aarch64.c (toplevel): Define INCLUDE_STRING.
4779 * common/config/aarch64/aarch64-common.c (toplevel): Ditto.
4781 2016-01-22 Christian Bruel <christian.bruel@st.com>
4784 * expr.c (expand_expr_real_1): Reset DECL_MODE if VECTOR_TYPE_P changed.
4786 2016-01-22 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
4789 * config/arm/thumb2.md (*thumb2_ior_scc_strict_it): Convert to
4790 define_insn_and_split. Ensure operands[1] and operands[0] do not
4791 get assigned the same register.
4793 2016-01-22 Kugan Vivekanandarajah <kuganv@linaro.org>
4795 * ipa-prop.c (ipa_set_jf_constant): Remove redundant unshare_expr.
4797 2016-01-22 Christian Bruel <christian.bruel@st.com>
4799 * config/arm/arm-c.c (arm_pragma_target_parse):
4800 Remove warn_builtin_macro_redefined overwrite.
4802 2016-01-22 Eric Botcazou <ebotcazou@adacore.com>
4804 * ipa-inline.c (can_inline_edge_p): Back out overzealous check on
4805 flag_non_call_exceptions compatibility.
4807 2016-01-22 Jakub Jelinek <jakub@redhat.com>
4810 * dwarf2out.c (add_child_die_after): New function.
4811 (dwarf_qual_info_t): New type.
4812 (dwarf_qual_info): New variable.
4813 (qualified_die_p): New function.
4814 (modified_type_die): For -fdebug-types-section, ensure
4815 canonical order of qualifiers. Put qualified DIEs adjacent
4816 to the corresponding non-qualified type DIE and search there
4817 for existing qualified DIEs.
4819 2016-01-22 Eric Botcazou <ebotcazou@adacore.com>
4821 * doc/extend.texi (scalar_storage_order type attribute): Document
4822 restriction on type punning and aliasing, and remove future tense.
4824 2016-01-21 Roman Zhuykov <zhroma@ispras.ru>
4827 * modulo-sched.c (optimize_sc): Allow branch-scheduling to add a new
4830 2016-01-21 Jeff Law <law@redhat.com>
4833 * tree-ssa-dom.c (dom_opt_dom_walker::thread_across_edge): Avoid
4834 useless call to record_temporary_equivalences.
4835 * tree-ssa-threadbackward.c (find_jump_threads_backwards): Just
4836 allocate 10 slots in the bb_path vector and let it grow as needed.
4837 (fsm_find_control_statement_thread_paths): Similarly for the next_path
4840 2016-01-21 David Edelsohn <dje.gcc@gmail.com>
4842 * configure.ac (gcc_cv_as_powerpc_mfcrf, gcc_cv_as_machine_directive):
4844 * configure: Regenerate.
4846 2016-01-21 Pat Haugen <pthaugen@us.ibm.com>
4848 * config/rs6000/aix71.h (ASM_CPU_SPEC): Add entry for Power9.
4849 * config/rs6000/driver-rs6000.c (struct asm_names): Likewise.
4851 2016-01-21 Bernd Schmidt <bschmidt@redhat.com>
4854 * expr.c (expand_expr_real_2) [PLUS_EXPR, MINUS_EXPR]: Don't
4855 drop EXPAND_INITIALIZER.
4856 * rtl.h (contains_symbolic_reference_p): Declare.
4857 * rtlanal.c (contains_symbolic_reference_p): New function.
4858 * simplify-rtx.c (simplify_binary_operation_1): Don't turn
4859 a subtraction into a NOT if symbolic constants are involved.
4861 2016-01-21 Anton Blanchard <anton@samba.org>
4862 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
4865 * config/rs6000/linux64.h (TARGET_KEEP_LEAF_WHEN_PROFILED): New
4867 * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled): New
4870 2016-01-21 Ajit Agarwal <ajitkum@xilinx.com>
4872 * config/microblaze/microblaze.c
4873 (get_branch_target): New.
4874 (insert_wic_for_ilb_runout): New.
4876 (microblaze_machine_dependent_reorg): New.
4877 (TARGET_MACHINE_DEPENDENT_REORG): Define macro.
4878 * config/microblaze/microblaze.md
4879 (UNSPEC_IPREFETCH): Define.
4880 (iprefetch): New pattern
4881 * config/microblaze/microblaze.opt
4882 (mxl-prefetch): New flag.
4884 2016-01-21 Ajit Agarwal <ajitkum@xilinx.com>
4886 * config/microblaze/microblaze.h
4887 (FIXED_REGISTERS): Update in macro.
4888 (CALL_USED_REGISTERS): Update in macro.
4890 2016-01-21 Yuri Rumyantsev <ysrumyan@gmail.com>
4892 PR rtl-optimization/68920
4893 * ifcvt.c (cond_move_process_if_block): Limit number of conditional
4896 2016-01-21 Vladimir Makarov <vmakarov@redhat.com>
4898 PR rtl-optimization/68990
4899 * lra-coalesce.c (lra_coalesce): Invalidate value for the result
4900 pseudo instead of inheritance ones.
4902 2016-01-21 Bernd Edlinger <bernd.edlinger@hotmail.de>
4903 Nick Clifton <nickc@redhat.com>
4907 * config/mips/mips.c (mips_compute_frame_info): Initialise
4908 args_size and hard_frame_pointer_offset fields of the frame
4909 structure before calling mips_global_pointer.
4911 2016-01-21 David Edelsohn <dje.gcc@gmail.com>
4913 * configure.ac (gcc_cv_as_dwloc): Test support for debug frame section
4915 * configure: Regenerate.
4917 2016-01-21 Richard Biener <rguenther@suse.de>
4919 * graphite-optimize-isl.c (get_schedule_map): Fix typo.
4921 2016-01-21 Marcin Kościelnicki <koriakin@0x04.net>
4923 * config/s390/s390.c (s390_asm_declare_function_size): Add code
4924 to actually emit the .size directive.
4926 2016-01-21 Stefan Sørensen <stefan.sorensen@spectralink.com>
4927 Jakub Jelinek <jakub@redhat.com>
4931 * config/arm/arm-builtins.c (arm_expand_neon_builtin): Increase
4932 args array size by one to avoid buffer overflow.
4934 2016-01-21 Marcin Kościelnicki <koriakin@0x04.net>
4936 * config/s390/s390.md (pool_section_start): Use switch_to_section
4937 to select proper read-only data section instead of hardcoding
4939 (pool_section_end): Use switch_to_section to match the above.
4941 2016-01-21 Richard Biener <rguenther@suse.de>
4943 PR tree-optimization/69378
4944 * tree-ssa-sccvn.c (dominated_by_p_w_unex): New function.
4945 (set_ssa_val_to): Use it for dominance checks taking into
4946 account not executable edges.
4948 2016-01-21 Jakub Jelinek <jakub@redhat.com>
4951 * tree-dfa.c (get_ref_base_and_extent): Use GET_MODE_BITSIZE (mode)
4952 for bitsize instead of GET_MODE_PRECISION (mode).
4954 2016-01-20 Martin Sebor <msebor@redhat.com>
4957 * extend.texi (__sync Builtins): Clarify the semantics of
4958 __sync_fetch_and_OP built-ins on pointers.
4959 (__atomic Builtins): Same.
4961 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
4962 Sebastian Pop <s.pop@samsung.com>
4964 * graphite-isl-ast-to-gimple.c (enum phi_node_kind): New.
4965 (class translate_isl_ast_to_gimple): Use phi_node_kind instead of bool.
4966 (is_valid_rename): Same.
4967 (translate_isl_ast_to_gimple::get_rename): Same.
4968 (translate_isl_ast_to_gimple::rename_all_uses): Same.
4969 (translate_isl_ast_to_gimple::rename_uses): Same.
4970 (get_new_name): Check for close_phi nodes.
4971 (copy_loop_phi_args): Use phi_node_kind.
4972 (translate_isl_ast_to_gimple::copy_loop_close_phi_args): Same.
4973 (translate_isl_ast_to_gimple::copy_cond_phi_args): Same.
4975 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
4976 Sebastian Pop <s.pop@samsung.com>
4978 Revert commit r229783.
4979 * graphite-isl-ast-to-gimple.c (gcc_expression_from_isl_ast_expr_id):
4980 Remove use of parameter_rename_map.
4982 (copy_internal_parameters): Remove.
4983 (graphite_regenerate_ast_isl): Remove call to copy_internal_parameters.
4984 * sese.c (new_sese_info): Do not initialize parameter_rename_map.
4985 (free_sese_info): Do not free parameter_rename_map.
4986 (set_rename): Do not use parameter_rename_map.
4987 (rename_uses): Update call to set_rename.
4988 (graphite_copy_stmts_from_block): Do not use parameter_rename_map.
4989 * sese.h (parameter_rename_map_t): Remove.
4990 (struct sese_info_t): Remove field parameter_rename_map.
4992 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
4993 Sebastian Pop <s.pop@samsung.com>
4995 * graphite-isl-ast-to-gimple.c: Fix comment.
4996 * graphite-scop-detection.c (defined_in_loop_p): New.
4997 (canonicalize_loop_closed_ssa): Do not add close phi nodes for SSA
4998 names defined in loop.
5000 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
5001 Sebastian Pop <s.pop@samsung.com>
5003 * graphite-scop-detection.c (scop_detection::harmful_loop_in_region):
5004 Discard unstructured if-then-else regions.
5006 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
5007 Sebastian Pop <s.pop@samsung.com>
5009 * graphite-sese-to-poly.c (set_scop_parameter_dim): Remove.
5010 (cleanup_loop_iter_dom): Remove.
5011 (build_loop_iteration_domains): Remove.
5012 (build_scop_context): Remove.
5013 (build_scop_iteration_domain): Remove.
5014 (add_loop_constraints): New.
5015 (build_iteration_domains): New.
5016 (build_poly_scop): Call build_iteration_domains.
5018 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
5019 Sebastian Pop <s.pop@samsung.com>
5021 * graphite-scop-detection.c
5022 (scop_detection::harmful_loop_in_region): Free dom and loops.
5023 (scop_detection::loop_body_is_valid_scop): Free bbs.
5025 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
5026 Sebastian Pop <s.pop@samsung.com>
5028 * graphite-scop-detection.c (record_loop_in_sese): New.
5029 (gather_bbs::before_dom_children): Call record_loop_in_sese.
5030 (build_scops): Remove call to build_sese_loop_nests.
5031 * sese.c (sese_record_loop): Remove.
5032 (build_sese_loop_nests): Remove.
5033 (new_sese_info): Remove region->loops.
5034 (free_sese_info): Same.
5035 * sese.h (sese_contains_loop): Same.
5036 (build_sese_loop_nests): Remove.
5037 (sese_contains_loop): Remove.
5039 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
5040 Sebastian Pop <s.pop@samsung.com>
5042 * graphite-scop-detection.c (loop_is_valid_scop): Renamed
5043 loop_is_valid_in_scop.
5044 (scop_detection::harmful_stmt_in_region): Renamed
5045 harmful_loop_in_region.
5046 Call loop_is_valid_in_scop.
5048 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
5049 Sebastian Pop <s.pop@samsung.com>
5051 * graphite-isl-ast-to-gimple.c (translate_isl_ast): Also handle
5054 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
5055 Sebastian Pop <s.pop@samsung.com>
5057 * graphite-poly.c (new_poly_bb): Remove use of PBB_IS_REDUCTION.
5058 * graphite.h (struct poly_bb): Remove field is_reduction.
5059 (PBB_IS_REDUCTION): Remove.
5061 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
5062 Sebastian Pop <s.pop@samsung.com>
5064 * graphite-dependences.c (constrain_domain): Add call to isl_*_coalesce.
5065 (add_pdr_constraints): Same.
5066 (scop_get_reads): Same.
5067 (scop_get_must_writes): Same.
5068 (scop_get_may_writes): Same.
5069 (scop_get_original_schedule): Same.
5070 (extend_schedule): Same.
5071 (apply_schedule_on_deps): Same.
5072 (carries_deps): Same.
5073 (compute_deps): Same.
5074 (scop_get_dependences): Same.
5075 * graphite-isl-ast-to-gimple.c
5076 (translate_isl_ast_to_gimple::generate_isl_schedule): Same.
5077 * graphite-optimize-isl.c (get_schedule_for_band): Same.
5078 (get_schedule_for_band_list): Same.
5079 (get_schedule_map): Same.
5080 (apply_schedule_map_to_scop): Same.
5081 * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
5082 (build_loop_iteration_domains): Same.
5083 (add_condition_to_pbb): Same.
5084 (add_param_constraints): Same.
5085 (pdr_add_memory_accesses): Same.
5086 (pdr_add_data_dimensions): Same.
5088 2016-01-20 Sandra Loosemore <sandra@codesourcery.com>
5090 * doc/invoke.texi (Instrumentation Options): Clarify -mmpx linking
5093 2016-01-20 Sandra Loosemore <sandra@codesourcery.com>
5095 * common.opt (feliminate-dwarf2-dups): Replace references to
5096 "DWARF 2" with just "DWARF".
5097 * config/ia64/ia64.opt (mdwarf2-asm): Likewise.
5098 * doc/extend.texi: Likewise.
5099 * doc/cpp.texi: Likewise.
5100 * doc/invoke.texi: Likewise.
5101 (Option Summary): Add -gdwarf to list of Debugging Options.
5102 (Debugging Options): Document -gdwarf.
5103 * doc/contrib.texi: Spell "DWARF" like that.
5105 2016-01-21 Jakub Jelinek <jakub@redhat.com>
5107 * omp-low.c (expand_omp_target): Avoid -Wmaybe-uninitialized
5108 warning. Fix up formatting.
5111 * gimplify.c (gimplify_asm_expr): Warn if it is too late to
5112 attempt to mark memory input operand addressable and
5113 call prepare_gimple_addressable in that case. Don't adjust
5114 input_location for diagnostics, use error_at instead.
5116 2016-01-20 Peter Bergner <bergner@vnet.ibm.com>
5118 * config/rs6000/ppc-auxv.h: New file.
5119 * config/rs6000/rs6000-builtin.def (cpu_init): Add new builtin.
5121 (cpu_supports): Likewise.
5122 * config/rs6000/rs6000.c: include "ppc-auxv.h".
5123 (cpu_is_info): New variable.
5124 (cpu_supports_info): Likewise.
5125 (tcb_verification_symbol): Likewise.
5126 (cpu_builtin_p): Likewise.
5127 (cpu_expand_builtin): New function.
5128 (rs6000_expand_ternop_builtin): Add support for CPU builtin functions.
5129 (rs6000_init_builtins): Likewise.
5130 (rs6000_elf_file_end): Emit HWCAP in TCB verification symbol.
5131 * config/rs6000/rs6000.h (TLS_REGNUM): New define.
5132 * configure.ac (gcc_cv_libc_provides_hwcap_in_tcb): New test.
5133 * configure: Regenerate.
5134 * config.in: Likewise.
5135 * doc/extend.texi (PowerPC Built-in Functions): Document
5136 __builtin_cpu_init, __builtin_cpu_is and __builtin_cpu_supports.
5138 2016-01-20 David Edelsohn <dje.gcc@gmail.com>
5141 * config/rs6000/rs6000.c (rs6000_emit_swsqrt): Add vector sqrt
5143 * config/rs6000/vector.md (sqrt<mode>2): Call rs6000_emit_swsqrt
5146 2016-01-20 Richard Henderson <rth@redhat.com>
5152 * tree.c (tm_define_builtin): New.
5153 (find_tm_vector_type): New.
5154 (build_tm_vector_builtins): New.
5155 (build_common_builtin_nodes): Call it.
5157 2016-01-20 Christophe Lyon <christophe.lyon@linaro.org>
5159 * doc/sourcebuild.texi (arm_crypto_pragma_ok): Document new entry.
5160 (arm_fp_ok): Likewise.
5162 (arm_crypto): Likewise.
5164 2016-01-20 Ilya Enkovich <enkovich.gnu@gmail.com>
5165 Richard Biener <rguenther@suse.de>
5167 PR tree-optimization/69328
5168 * tree-vect-stmts.c (vect_is_simple_cond): Check compared
5169 vectors have same number of elements.
5170 (vectorizable_condition): Fix masked version recognition.
5172 2016-01-20 Richard Biener <rguenther@suse.de>
5174 PR tree-optimization/69345
5175 * tree-ssa-sccvn.h (VN_INFO_RANGE_INFO): New inline function.
5176 (VN_INFO_PTR_INFO): Likewise.
5177 * tree-ssa-sccvn.c (set_ssa_val_to): Avoid clearing points-to
5178 info when it is equal between non-dominating SSA names.
5179 * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
5180 Make sure to look at original SSA infos.
5182 2016-01-20 Jeff Law <law@redhat.com>
5185 * config/m68k/predicates.md (pow2_m1_operand): New predicate
5187 (reg_or_pow2_m1_operand): Call pow2_m1_operand.
5188 (pc_or_label_operand): New predicate.
5189 * config/m68k/m68k.md: Add new peephole2 patterns for GTU/LEU
5190 tests for small integers that are 2^n - 1.
5192 2016-01-20 Jonathan Wakely <jwakely@redhat.com>
5194 * doc/invoke.texi (Options Summary): Add '.' after @xref.
5196 2016-01-19 Jeff Law <law@redhat.com>
5199 * tree-ssa-threadbackwards.c
5200 (fsm_find_control_statement_thread_paths): Do not try to lookup
5201 FSM paths for SSA_NAMEs appearing in abnormal PHIs.
5203 2016-01-20 Kugan Vivekanandarajah <kuganv@linaro.org>
5205 * doc/lto.texi: Remove text that says only Gold has linker plugin
5208 2016-01-19 Eric Botcazou <ebotcazou@adacore.com>
5210 * dwarf2out.c (need_endianity_attribute_p): New inline predicate.
5211 (base_type_die): Add REVERSE parameter and attach DW_AT_endianity to
5212 the DIE accordingly.
5213 (modified_type_die): Add REVERSE parameter and pass it recursively,
5214 as well as to base_type_die. Adjust presence check accordingly.
5215 (base_type_for_mode): Adjust call to modified_type_die.
5216 (add_type_attribute): Add REVERSE parameter and pass it to
5218 (generic_parameter_die): Adjust call to add_type_attribute.
5219 (add_scalar_info): Likewise.
5220 (add_subscript_info): Likewise.
5221 (gen_array_type_die): Likewise.
5222 (gen_descr_array_type_die): Likewise.
5223 (gen_entry_point_die): Likewise.
5224 (gen_enumeration_type_die): Likewise.
5225 (gen_formal_parameter_die): Likewise.
5226 (gen_subprogram_die): Likewise.
5227 (gen_variable_die ): Likewise.
5228 (gen_const_die): Likewise.
5229 (gen_field_die): Likewise.
5230 (gen_pointer_type_die): Likewise.
5231 (gen_reference_type_die): Likewise.
5232 (gen_ptr_to_mbr_type_die): Likewise.
5233 (gen_inheritance_die): Likewise.
5234 (gen_subroutine_type_die): Likewise.
5235 (gen_typedef_die): Likewise.
5236 (force_type_die): Adjust call to modified_type_die.
5238 2016-01-19 Sandra Loosemore <sandra@codesourcery.com>
5240 * doc/standards.texi: Copy-editing for grammar, markup, and sentence
5241 flow throughout the file. Fix broken link to Objective-C 2.0
5243 * doc/invoke.texi: More copy-editing; fix numerous typos and spelling
5246 2016-01-19 Wilco Dijkstra <wdijkstr@arm.com>
5248 * ccmp.c (expand_ccmp_expr_1): Avoid spurious unused warnings.
5250 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
5253 * ipa-devirt.c (is_cxa_pure_virtual_p): New function.
5254 (maybe_record_node): Record cxa_pure_virtual as the only possible
5255 target if there are not ohter candidates.
5256 (possible_polymorphic_call_target_p): Accept cxa_pure_virtual.
5258 2016-01-19 Richard Biener <rguenther@suse.de>
5260 * hsa-gen.c (get_memory_order_name): Use MEMMODEL_ constants.
5261 (get_memory_order): Likewise.
5263 2016-01-19 Kirill Yukhin <kirill.yukhin@intel.com>
5265 * tree-vect-stmts.c (vectorizable_store): Check
5268 2016-01-19 David Malcolm <dmalcolm@redhat.com>
5271 * gcc.c (driver::decode_argv): Add call to
5272 init_opts_obstack before init_options_struct.
5273 * opts.c (init_opts_obstack): Remove idempotency.
5274 (init_options_struct): Replace call to init_opts_obstack
5275 with a gcc_assert to verify that it has already been called.
5276 * toplev.c (toplev::main): Add call to init_opts_obstack before
5277 calls to init_options_struct.
5278 (toplev::finalize): Move cleanup of opts_obstack next to
5279 cleanup of save_decoded_options, clearing the latter, and
5280 save_decoded_options_count.
5282 2016-01-19 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
5285 * config/arm/vfp.md (l<vrint_pattern><su_optab><mode>si2): Set "conds"
5286 attribute to unconditional. Remove %? from output template.
5288 2015-01-19 Wilco Dijkstra <wdijkstr@arm.com>
5289 Jiong Wang <jiong.wang@arm.com>
5291 * ccmp.c (expand_ccmp_expr_1): Cost the instruction sequences
5292 generated from different expand order.
5294 2015-01-19 Wilco Dijkstra <wdijkstr@arm.com>
5296 * /config/aarch64/aarch64.c (aarch64_if_then_else_costs):
5297 Add support for CCMP costing.
5299 2015-01-19 Wilco Dijkstra <wdijkstr@arm.com>
5301 * ccmp.c (ccmp_candidate_p): Remove integer-only restriction.
5302 * config/aarch64/aarch64.md (fccmp<mode>): New pattern.
5303 (fccmpe<mode>): Likewise.
5304 (fcmp): Rename to fcmp and globalize pattern.
5306 * config/aarch64/aarch64.c (aarch64_gen_ccmp_first): Add FP support.
5307 (aarch64_gen_ccmp_next): Add FP support.
5309 2015-01-19 Wilco Dijkstra <wdijkstr@arm.com>
5311 * target.def (gen_ccmp_first): Update documentation.
5312 (gen_ccmp_next): Likewise.
5313 * doc/tm.texi (gen_ccmp_first): Update documentation.
5314 (gen_ccmp_next): Likewise.
5315 * ccmp.c (expand_ccmp_expr): Extract cmp_code from return value of
5316 expand_ccmp_expr_1. Improve comments.
5317 * config/aarch64/aarch64.md (ccmp_and): Use if_then_else for ccmp.
5318 (ccmp_ior<mode>): Remove pattern.
5319 (cmp<mode>): Remove expand.
5320 (cmp): Globalize pattern.
5321 (cstorecc4): Use cc_register.
5322 (mov<mode>cc): Remove ccmp_cc_register check.
5323 * config/aarch64/aarch64.c (aarch64_get_condition_code_1):
5324 Simplify after removal of CC_DNE/* modes.
5325 (aarch64_ccmp_mode_to_code): Remove.
5326 (aarch64_print_operand): Remove 'K' case. Merge 'm' and 'M' cases.
5327 In 'k' case use integer as condition.
5328 (aarch64_nzcv_codes): Remove inverted cases.
5329 (aarch64_code_to_ccmode): Remove.
5330 (aarch64_gen_ccmp_first): Use cmp pattern directly. Return the correct
5331 comparison with CC register to be used in folowing CCMP/branch/CSEL.
5332 (aarch64_gen_ccmp_next): Use previous comparison and mode in CCMP
5333 pattern. Return the comparison with CC register. Invert conditions
5335 * config/aarch64/aarch64-modes.def: Remove CC_DNE/* modes.
5336 * config/aarch64/predicates.md (ccmp_cc_register): Remove.
5338 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
5340 * cgraphunit.c (cgraph_node::reset): Clear thunk info and
5341 instrumented_version.
5343 2016-01-19 Richard Biener <rguenther@suse.de>
5345 PR tree-optimization/69336
5346 * tree-ssa-scopedtables.c (avail_expr_hash): Handle all
5347 handled components with get_ref_base_and_extent.
5348 (equal_mem_array_ref_p): Adjust.
5350 2016-01-19 Jakub Jelinek <jakub@redhat.com>
5353 * shrink-wrap.c: Include valtrack.h.
5354 (move_insn_for_shrink_wrap): Add DEBUG argument. If
5355 MAY_HAVE_DEBUG_INSNS, call dead_debug_add on DEBUG_INSNs
5356 in between insn and where it will be moved to. Call
5357 dead_debug_insert_temp.
5358 (prepare_shrink_wrap): Adjust caller. Call dead_debug_local_init
5359 first and dead_debug_local_finish at the end.
5360 For uses and defs bitmap, handle all regs in between REGNO and
5361 END_REGNO, not just the first one.
5363 2016-01-19 Richard Biener <rguenther@suse.de>
5365 PR tree-optimization/69352
5366 * tree-ssa-scopedtables.c (avail_expr_hash): Check for size == -1.
5367 (equal_mem_array_ref_p): Constrain size and max size properly.
5368 Compare the reverse flag.
5370 2016-01-19 Bernd Schmidt <bschmidt@redhat.com>
5372 * ira.c (ira): Update regstat data if we deleted insns.
5374 2016-01-19 Jakub Jelinek <jakub@redhat.com>
5376 PR rtl-optimization/68955
5377 PR rtl-optimization/64557
5378 * dse.c (record_store, check_mem_read_rtx): Don't call get_addr
5379 here. Fix up formatting.
5380 * alias.c (get_addr): Handle VALUE +/- CONST_SCALAR_INT_P.
5382 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
5385 * cgraphunit.c (cgraph_node::expand_thunk): When forcing gimple
5386 assume that the node has body.
5387 * cgraph.c (cgraph_node::get_untransformed_body): Use gimple_body_p
5390 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
5392 * lto-streamer-out.c (lto_output): Do not stream instrumentation
5395 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
5397 * symtab.c (symtab_node::asm_name): Do not call printable name directly.
5398 (symtab_node::name): Report name as unnamed if DECL_NAME is not set.
5400 2016-01-19 Martin Jambor <mjambor@suse.cz>
5401 Martin Liska <mliska@suse.cz>
5402 Michael Matz <matz@suse.de>
5404 * Makefile.in (OBJS): Add new source files.
5405 (GTFILES): Add hsa.c.
5406 * common.opt (disable_hsa): New variable.
5407 (-Whsa): New warning.
5408 * config.in (ENABLE_HSA): New.
5409 * configure.ac: Treat hsa differently from other accelerators.
5410 (OFFLOAD_TARGETS): Define ENABLE_OFFLOADING according to
5412 (ENABLE_HSA): Define ENABLE_HSA according to $enable_hsa.
5413 * doc/install.texi (Configuration): Document --with-hsa-runtime,
5414 --with-hsa-runtime-include, --with-hsa-runtime-lib and
5416 * doc/invoke.texi (-Whsa): Document.
5417 (hsa-gen-debug-stores): Likewise.
5418 * lto-wrapper.c (compile_images_for_offload_targets): Do not attempt
5419 to invoke offload compiler for hsa acclerator.
5420 * opts.c (common_handle_option): Determine whether HSA offloading
5421 should be performed.
5422 * params.def (PARAM_HSA_GEN_DEBUG_STORES): New parameter.
5423 * builtin-types.def (BT_FN_VOID_UINT_PTR_INT_PTR): New.
5424 (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_INT_INT): Removed.
5425 (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_PTR): New.
5426 * gimple-low.c (lower_stmt): Also handle GIMPLE_OMP_GRID_BODY.
5427 * gimple-pretty-print.c (dump_gimple_omp_for): Also handle
5428 GF_OMP_FOR_KIND_GRID_LOOP.
5429 (dump_gimple_omp_block): Also handle GIMPLE_OMP_GRID_BODY.
5430 (pp_gimple_stmt_1): Likewise.
5431 * gimple-walk.c (walk_gimple_stmt): Likewise.
5432 * gimple.c (gimple_build_omp_grid_body): New function.
5433 (gimple_copy): Also handle GIMPLE_OMP_GRID_BODY.
5434 * gimple.def (GIMPLE_OMP_GRID_BODY): New.
5435 * gimple.h (enum gf_mask): Added GF_OMP_PARALLEL_GRID_PHONY,
5436 GF_OMP_FOR_KIND_GRID_LOOP, GF_OMP_FOR_GRID_PHONY and
5437 GF_OMP_TEAMS_GRID_PHONY.
5438 (gimple_statement_omp_single_layout): Updated comments.
5439 (gimple_build_omp_grid_body): New function.
5440 (gimple_has_substatements): Also handle GIMPLE_OMP_GRID_BODY.
5441 (gimple_omp_for_grid_phony): New function.
5442 (gimple_omp_for_set_grid_phony): Likewise.
5443 (gimple_omp_parallel_grid_phony): Likewise.
5444 (gimple_omp_parallel_set_grid_phony): Likewise.
5445 (gimple_omp_teams_grid_phony): Likewise.
5446 (gimple_omp_teams_set_grid_phony): Likewise.
5447 (gimple_return_set_retbnd): Also handle GIMPLE_OMP_GRID_BODY.
5448 * omp-builtins.def (BUILT_IN_GOMP_OFFLOAD_REGISTER): New.
5449 (BUILT_IN_GOMP_OFFLOAD_UNREGISTER): Likewise.
5450 (BUILT_IN_GOMP_TARGET): Updated type.
5451 * omp-low.c: Include symbol-summary.h, hsa.h and params.h.
5452 (adjust_for_condition): New function.
5453 (get_omp_for_step_from_incr): Likewise.
5454 (extract_omp_for_data): Moved parts to adjust_for_condition and
5455 get_omp_for_step_from_incr.
5456 (build_outer_var_ref): Handle GIMPLE_OMP_GRID_BODY.
5457 (fixup_child_record_type): Bail out if receiver_decl is NULL.
5458 (scan_sharing_clauses): Handle OMP_CLAUSE__GRIDDIM_.
5459 (scan_omp_parallel): Do not create child functions for phony
5461 (check_omp_nesting_restrictions): Handle GIMPLE_OMP_GRID_BODY.
5462 (scan_omp_1_op): Checking assert we are not remapping to
5463 ERROR_MARK. Also also handle GIMPLE_OMP_GRID_BODY.
5464 (parallel_needs_hsa_kernel_p): New function.
5465 (expand_parallel_call): Register apprpriate parallel child
5466 functions as HSA kernels.
5467 (grid_launch_attributes_trees): New type.
5468 (grid_attr_trees): New variable.
5469 (grid_create_kernel_launch_attr_types): New function.
5470 (grid_insert_store_range_dim): Likewise.
5471 (grid_get_kernel_launch_attributes): Likewise.
5472 (get_target_argument_identifier_1): Likewise.
5473 (get_target_argument_identifier): Likewise.
5474 (get_target_argument_value): Likewise.
5475 (push_target_argument_according_to_value): Likewise.
5476 (get_target_arguments): Likewise.
5477 (expand_omp_target): Call get_target_arguments instead of looking
5478 up for teams and thread limit.
5479 (grid_expand_omp_for_loop): New function.
5480 (grid_arg_decl_map): New type.
5481 (grid_remap_kernel_arg_accesses): New function.
5482 (grid_expand_target_kernel_body): New function.
5483 (expand_omp): Call it.
5484 (lower_omp_for): Do not emit phony constructs.
5485 (lower_omp_taskreg): Do not emit phony constructs but create for them
5486 a temporary variable receiver_decl.
5487 (lower_omp_taskreg): Do not emit phony constructs.
5488 (lower_omp_teams): Likewise.
5489 (lower_omp_grid_body): New function.
5490 (lower_omp_1): Call it.
5491 (grid_reg_assignment_to_local_var_p): New function.
5492 (grid_seq_only_contains_local_assignments): Likewise.
5493 (grid_find_single_omp_among_assignments_1): Likewise.
5494 (grid_find_single_omp_among_assignments): Likewise.
5495 (grid_find_ungridifiable_statement): Likewise.
5496 (grid_target_follows_gridifiable_pattern): Likewise.
5497 (grid_remap_prebody_decls): Likewise.
5498 (grid_copy_leading_local_assignments): Likewise.
5499 (grid_process_kernel_body_copy): Likewise.
5500 (grid_attempt_target_gridification): Likewise.
5501 (grid_gridify_all_targets_stmt): Likewise.
5502 (grid_gridify_all_targets): Likewise.
5503 (execute_lower_omp): Call grid_gridify_all_targets.
5504 (make_gimple_omp_edges): Handle GIMPLE_OMP_GRID_BODY.
5505 * tree-core.h (omp_clause_code): Added OMP_CLAUSE__GRIDDIM_.
5506 (tree_omp_clause): Added union field dimension.
5507 * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE__GRIDDIM_.
5508 * tree.c (omp_clause_num_ops): Added number of arguments of
5509 OMP_CLAUSE__GRIDDIM_.
5510 (omp_clause_code_name): Added name of OMP_CLAUSE__GRIDDIM_.
5511 (walk_tree_1): Handle OMP_CLAUSE__GRIDDIM_.
5512 * tree.h (OMP_CLAUSE_GRIDDIM_DIMENSION): New.
5513 (OMP_CLAUSE_SET_GRIDDIM_DIMENSION): Likewise.
5514 (OMP_CLAUSE_GRIDDIM_SIZE): Likewise.
5515 (OMP_CLAUSE_GRIDDIM_GROUP): Likewise.
5516 * passes.def: Schedule pass_ipa_hsa and pass_gen_hsail.
5517 * tree-pass.h (make_pass_gen_hsail): Declare.
5518 (make_pass_ipa_hsa): Likewise.
5519 * ipa-hsa.c: New file.
5520 * lto-section-in.c (lto_section_name): Add hsa section name.
5521 * lto-streamer.h (lto_section_type): Add hsa section.
5522 * timevar.def (TV_IPA_HSA): New.
5523 * hsa-brig-format.h: New file.
5524 * hsa-brig.c: New file.
5525 * hsa-dump.c: Likewise.
5526 * hsa-gen.c: Likewise.
5529 * toplev.c (compile_file): Call hsa_output_brig.
5530 * hsa-regalloc.c: New file.
5532 2016-01-18 Jeff Law <law@redhat.com>
5534 PR tree-optimization/69320
5535 * tree-ssa-dom.c (record_edge_info): For comparisons against a boolean
5536 ranged object, do nothing if the RHS constant is not [0..1].
5537 (optimize_stmt): Comparing a boolean ranged object against a
5538 constant outside [0..1] results in a compile-time constant.
5540 * tree-ssanames.c (ssa_name_has_boolean_range): Remove unnecessary
5543 2016-01-18 Sandra Loosemore <sandra@codesourcery.com>
5545 * doc/invoke.texi (Invoking GCC): Add new section to menu.
5546 (Option Summary): Update to reflect new section and moved options.
5547 (C++ Dialect Options): Move -fstats to new section.
5548 (Debugging Options): Move all dump, statistics, and other GCC
5549 developer options to new section. Rewrite section introduction
5550 and re-order remaining options to put the more basic ones first.
5551 (Optimization Options): Move -fira-verbose and -flto-report* to
5553 (Developer Options): New section incorporating moved options.
5554 * doc/cppopts.texi (-dM): Update cross-reference.
5556 2016-01-18 Richard Henderson <rth@redhat.com>
5559 * config/aarch64/aarch64.md (add<GPI>3): Move long immediate
5560 operands to pseudo only if CSE is expected. Split long immediate
5561 operands only after reload, and for the stack pointer.
5562 (*add<GPI>3_pluslong): Remove.
5563 (*addsi3_aarch64, *adddi3_aarch64): Merge into...
5564 (*add<GPI>3_aarch64): ... here. Add r/rk/Upl alternative.
5565 (*addsi3_aarch64_uxtw): Add r/rk/Upl alternative.
5566 (*add<GPI>3 peepholes): New.
5567 (*add<GPI>3 splitters): New.
5568 * config/aarch64/constraints.md (Upl): New.
5569 * config/aarch64/predicates.md (aarch64_pluslong_strict_immedate): New.
5571 2016-01-18 Richard Biener <rguenther@suse.de>
5573 PR tree-optimization/69297
5574 * tree-vect-slp.c (vect_bb_slp_scalar_cost): Count each scalar
5576 (vect_bb_vectorization_profitable_p): Clear visited flag again.
5578 2016-01-18 Yuri Rumyantsev <ysrumyan@gmail.com>
5581 * fold-const.c (fold_binary_op_with_conditional_arg): Bail out for case
5582 of mixind vector and scalar types.
5583 (fold_relational_const): Add handling of vector
5584 comparison with boolean result.
5585 * tree-cfg.c (verify_gimple_comparison): Add argument CODE, allow
5586 comparison of vector operands with boolean result for EQ/NE only.
5587 (verify_gimple_assign_binary): Adjust call for verify_gimple_comparison.
5588 (verify_gimple_cond): Likewise.
5589 * tree-vrp.c (extract_code_and_val_from_cond_with_ops): Modify check on
5592 2016-01-18 Joseph Myers <joseph@codesourcery.com>
5594 * config/mips/mips.h (ISA_HAS_PAIRED_SINGLE): Require
5597 2016-01-18 Richard Biener <rguenther@suse.de>
5600 * gimple.c (gimple_could_trap_p_1): Handle GIMPLE_COND.
5602 2016-01-18 Tom de Vries <tom@codesourcery.com>
5604 * passes.def: Add pass_parallelize_loops to pass_oacc_kernels.
5606 2016-01-18 Tom de Vries <tom@codesourcery.com>
5608 * omp-low.c (set_oacc_fn_attrib): Make extern.
5609 * omp-low.h (set_oacc_fn_attrib): Declare.
5610 * tree-parloops.c (struct reduction_info): Add reduc_addr field.
5611 (create_call_for_reduction_1): Handle case that reduc_addr is non-NULL.
5612 (create_parallel_loop, gen_parallel_loop, try_create_reduction_list):
5613 Add and handle function parameter oacc_kernels_p.
5614 (find_reduc_addr, get_omp_data_i_param): New function.
5615 (ref_conflicts_with_region, oacc_entry_exit_ok_1)
5616 (oacc_entry_exit_single_gang, oacc_entry_exit_ok): New function.
5617 (parallelize_loops): Add and handle function parameter oacc_kernels_p.
5618 Calculate dominance info. Skip loops that are not in a kernels region
5619 in oacc_kernels_p mode. Skip inner loops of parallelized loops.
5620 (pass_parallelize_loops::execute): Call parallelize_loops with
5621 oacc_kernels_p argument.
5622 (pass_parallelize_loops::clone, pass_parallelize_loops::set_pass_param):
5623 New member function.
5624 (pass_parallelize_loops::bool oacc_kernels_p): New member var.
5625 * passes.def: Add argument to pass_parallelize_loops instantation.
5627 2016-01-18 Tom de Vries <tom@codesourcery.com>
5629 * tree-parloops.c (pass_parallelize_loops::execute): Allow
5630 pass_parallelize_loops to be run outside the loop pipeline.
5632 2016-01-18 Alan Lawrence <alan.lawrence@arm.com>
5634 * tree-scalar-evolution.c (follow_copies_to_constant): New.
5635 (analyze_initial_condition, analyze_scalar_evolution_1): Call previous.
5637 2016-01-18 Alan Lawrence <alan.lawrence@arm.com>
5640 * tree-ssa-scopedtables.c (avail_expr_hash): Hash MEM_REF and ARRAY_REF
5641 using get_ref_base_and_extent.
5642 (equal_mem_array_ref_p): New.
5643 (hashable_expr_equal_p): Add call to previous.
5645 2016-01-18 Alan Lawrence <alan.lawrence@arm.com>
5648 * tree-sra.c (disqualified_constants, constant_decl_p): New.
5649 (sra_initialize): Allocate disqualified_constants.
5650 (sra_deinitialize): Free disqualified_constants.
5651 (disqualify_candidate): Update disqualified_constants when appropriate.
5652 (create_access): Scan for constant-pool entries as we go along.
5653 (scalarizable_type_p): Add check against type_contains_placeholder_p.
5654 (maybe_add_sra_candidate): Allow constant-pool entries.
5655 (load_assign_lhs_subreplacements): Bind debug for constant pool vars.
5656 (initialize_constant_pool_replacements): New.
5657 (sra_modify_assign): Avoid mangling assignments created by previous,
5658 and don't generate writes into constant pool.
5659 (sra_modify_function_body): Call initialize_constant_pool_replacements.
5661 2016-01-18 Ilya Enkovich <enkovich.gnu@gmail.com>
5663 * config/i386/i386.c (scalar_to_vector_candidate_p): Support
5665 (scalar_chain::convert_op): Likewise.
5666 * config/i386/i386.md (*andndi3_doubleword): New.
5668 2016-01-18 Richard Biener <rguenther@suse.de>
5670 PR tree-optimization/69170
5671 * tree-vect-slp.c (vect_build_slp_tree): Verify we are not
5672 building a vector from scalar results of a pattern stmt.
5674 2016-01-18 Jakub Jelinek <jakub@redhat.com>
5676 * haifa-sched.c (autopref_multipass_init): Work around
5677 -Wmaybe-uninitialized warning.
5679 2016-01-18 Thomas Preud'homme <thomas.preudhomme@arm.com>
5681 * config/arm/arm.c (thumb1_reorg): Check that the comparison is
5682 against the constant 0.
5684 2016-01-17 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
5686 PR tree-optimization/68799
5687 * gimple-ssa-strength-reduction.c (create_phi_basis): Directly
5688 look up phi candidates in the statement-candidate map.
5689 (phi_add_costs): Likewise.
5690 (record_phi_increments): Likewise.
5691 (phi_incr_cost): Likewise.
5692 (ncd_with_phi): Likewise.
5693 (all_phi_incrs_profitable): Likewise.
5695 2016-01-17 Jakub Jelinek <jakub@redhat.com>
5697 * omp-low.c (mark_loops_in_oacc_kernels_region): Work around
5698 -Wmaybe-uninitialized warning.
5700 2016-01-16 Sandra Loosemore <sandra@codesourcery.com>
5702 * doc/invoke.texi (Invoking GCC): Add new section to menu.
5703 (Option Summary): Update to reflect new section and moved options.
5704 (C++ Dialect Options): Move -fvtable-verify and related options.
5705 (Debugging Options): Move Sanitizer, Pointer Bounds Checker,
5706 and profiling-related options.
5707 (Optimization Options): Move profile generation options and
5708 -fstack-protector and related options.
5709 (Instrumentation Options): New section incorporating moved options.
5710 (Code Generation Options): Move -finstrument-functions and
5711 related options, -fstack-check, -fstack-limit*, and -fbounds-check.
5713 2016-01-16 Tom de Vries <tom@codesourcery.com>
5715 * passes.def: Move pass_expand_omp_ssa out of pass_parallelize_loops.
5717 2016-01-16 Tom de Vries <tom@codesourcery.com>
5719 * omp-low.c (expand_omp_atomic_fetch_op): Release defs of update stmt.
5721 2016-01-16 Richard Sandiford <richard.sandiford@arm.com>
5723 * hash-table.h (hash_table::empty): Turn into an inline wrapper
5724 that checks whether the table is already empty. Rename the
5725 original implementation to...
5726 (hash_table::empty_slot): ...this new private function.
5728 2016-01-15 David Malcolm <dmalcolm@redhat.com>
5731 * diagnostic-show-locus.c (layout::print_source_line): Move x
5732 offset of line until after call to
5733 get_line_width_without_trailing_whitespace.
5735 2016-01-15 Jeff Law <law@redhat.com>
5737 PR tree-optimization/69270
5738 * tree-ssanames.c (ssa_name_has_boolean_range): Moved here from
5739 tree-ssa-dom.c. Improve test for [0..1] ranve from VRP.
5740 * tree-ssa-dom.c (ssa_name_has_boolean_range): Remove.
5741 * tree-ssanames.h (ssa_name_has_boolean_range): Prototype.
5742 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
5743 ssa_name_has_boolean_range and constant_boolean_node.
5745 2016-01-15 Vladimir Makarov <vmakarov@redhat.com>
5747 PR rtl-optimization/69030
5748 * lra-spills.c (remove_pseudos): Check nrefs and make the function
5750 (spill_pseudos): Delete debug insn for dead pseudo.
5751 (lra_spill): Initiate spill_hard_reg and slots memory separately.
5753 2016-01-15 Jiong Wang <jiong.wang@arm.com>
5755 * config/aarch64/aarch64-builtins.c (aarch64_types_unopus_qualifiers):
5757 (TYPES_UNOPUS): Likewise.
5758 * config/aarch64/aarch64-simd-builtins.def (lbtruncuv2sf): Correct
5759 builtin type, from UNOP to UNOPUS.
5760 (lbtruncuv4sf): Likewise.
5761 (lbtruncuv2df): Likewise.
5762 (lrounduv2sf): Likewise.
5763 (lrounduv4sf): Likewise.
5764 (lrounduv2df): Likewise.
5765 (lroundusf): Likewise.
5766 (lroundusf): Likewise.
5767 (lceiluv2sf): Likewise.
5768 (lceiluv4sf): Likewise.
5769 (lceiluv2df): Likewise.
5770 (lceilusf): Likewise.
5771 (lceiludf): Likewise.
5772 (lflooruv2sf): Likewise.
5773 (lflooruv4sf): Likewise.
5774 (lflooruv2df): Likewise.
5775 (lfloorusf): Likewise.
5776 (lfloorudf): Likewise.
5777 (lfrintnuv2sf): Likewise.
5778 (lfrintnuv4sf): Likewise.
5779 (lfrintnuv2df): Likewise.
5780 (lfrintnusf): Likewise.
5781 (lfrintnudf): Likewise.
5782 * config/aarch64/arm_neon.h (vcvt_u32_f32): Remove unncessary type
5784 (vcvtq_u32_f32): Likewise.
5785 (vcvtq_u64_f64): Likewise.
5786 (vcvta_u32_f32): Likewise.
5787 (vcvtaq_u32_f32): Likewise.
5788 (vcvtaq_u64_f64): Likewise.
5789 (vcvtm_u32_f32): Likewise.
5790 (vcvtmq_u32_f32): Likewise.
5791 (vcvtmq_u64_f64): Likewise.
5792 (vcvtn_u32_f32): Likwise.
5793 (vcvtnq_u32_f32): Likewise.
5794 (vcvtnq_u64_f64): Likewise.
5795 (vcvtp_u32_f32): Likewise.
5796 (vcvtpq_u32_f32): Likewise.
5797 (vcvtpq_u64_f64): Likewise.
5798 (vcvtmd_u64_f64): Likewise.
5799 (vcvtms_u32_f32): Likewise.
5800 (vcvtad_u64_f64): Likewise.
5801 (vcvtas_u32_f32): Likewise.
5802 (vcvtnd_u64_f64): Likewise.
5803 (vcvtns_u32_f32): Likewise.
5804 (vcvtpd_u64_f64): Likewise.
5805 (vcvtps_u32_f32): Likewise.
5807 2016-01-15 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
5809 * config/aarch64/aarch64.c (aarch64_if_then_else_costs): Handle
5810 CSEL of zero_extended registers.
5812 2016-01-15 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
5814 * config/aarch64/aarch64.c (aarch64_rtx_costs, COMPARE case):
5815 Handle COMPARE of ZERO_EXTRACT against zero form of TST-immediate.
5817 2016-01-15 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
5819 * config/aarch64/aarch64.c (aarch64_process_one_target_attr): Return
5820 false when argument string is not found in the attributes table
5823 2016-01-15 David Edelsohn <dje.gcc@gmail.com>
5826 * config/rs6000/rs6000.c (rs6000_emit_msub): Delete.
5827 (rs6000_emit_swsqrt): Convert to Goldschmidt's Algorithm
5828 * config/rs6000/rs6000.md (sqrt<mode>2): Limit swsqrt to high
5831 2016-01-15 Richard Biener <rguenther@suse.de>
5833 PR tree-optimization/66856
5834 * tree-vect-loop.c (vect_transform_loop): Free SLP instances here.
5835 * tree-vect-slp.c (vect_free_slp_tree): Decrement stmt reference count.
5836 (vect_create_new_slp_node): Increment stmt reference count.
5837 (vect_get_and_check_slp_defs): Make sure stmts are nor already in
5838 an SLP tree before swapping operands.
5839 (vect_build_slp_tree): Likewise.
5840 (destroy_bb_vec_info): Free stmt info after SLP instances.
5841 * tree-vect-stmts.c (new_stmt_vec_info): Initialize reference count.
5842 * tree-vectorizer.h (struct _stmt_vec_info): Add num_slp_uses field.
5843 (STMT_VINFO_NUM_SLP_USES): New macro.
5845 2016-01-15 Richard Biener <rguenther@suse.de>
5848 * dwarf2out.c (add_linkage_name_raw): New function split out from ...
5849 (add_linkage_name): ... here.
5850 (gen_typedef_die): Use add_linkage_name_raw instead of
5851 add_linkage_attr to delay DECL_ASSEMBLER_NAME computation
5854 2016-01-15 Cesar Philippidis <cesar@codesourcery.com>
5856 * gimplify.c (oacc_default_clause): Decode reference and pointer
5857 types for both kernels and parallel regions.
5859 2016-01-15 Richard Sandiford <richard.sandiford@arm.com>
5862 * calls.c (emit_call_1): Force n_popped to zero for sibcalls.
5864 2016-01-15 Ilya Enkovich <enkovich.gnu@gmail.com>
5866 * config/i386/i386.c (scalar_chain::compute_convert_gain): Fix typo.
5867 (convert_scalars_to_vector): Likewise.
5869 2016-01-15 Jonathan Wakely <jwakely@redhat.com>
5871 * doc/extend.texi (Type Traits): Fix grammar.
5873 2016-01-15 Martin Jambor <mjambor@suse.cz>
5875 * tree-inline.c (remap_decl): Use existing dclarations if
5876 remapping a type and prevent_decl_creation_for_types.
5877 (replace_locals_stmt): Do an initial remapping of non-VLA typed
5878 decls first. Do real remapping with
5879 prevent_decl_creation_for_types set.
5880 * tree-inline.h (copy_body_data): New field
5881 prevent_decl_creation_for_types, moved remap_var_for_cilk to avoid
5884 2016-01-15 Dominik Vogt <vogt@linux.vnet.ibm.com>
5886 * config/s390/s390.opt (mmvcle): More verbose help text.
5888 2016-01-15 Dominik Vogt <vogt@linux.vnet.ibm.com>
5890 * config/s390/s390.opt: Add period to -mzvector option text.
5892 2016-01-15 Richard Biener <rguenther@suse.de>
5894 PR tree-optimization/68961
5895 * tree-vect-slp.c (vect_analyze_slp_cost_1): Consider cost
5896 of invariants in stores again.
5898 2016-01-15 Sebastian Huber <sebastian.huber@embedded-brains.de>
5900 * config/arm/t-rtems: Add cortex-m7/fpv5-d16 multilib.
5902 2016-01-15 Ilya Enkovich <enkovich.gnu@gmail.com>
5904 * config/i386/i386.c (ix86_expand_branch): Don't split
5905 DI mode xor instruction to SI mode.
5907 2016-01-15 Jan Hubicka <hubicka@ucw.cz>
5910 * ipa-icf.c (sem_function::merge): Virtual functions may become
5911 reachable even if they address is not taken and there are no
5914 2016-01-15 Jan Hubicka <hubicka@ucw.cz>
5916 * lto-streamer-out.c (subtract_estimated_size): New function.
5917 (get_symbol_initial_value): Use it.
5919 2016-01-15 Christian Bruel <christian.bruel@st.com>
5922 * config/arm/arm-builtins.c (ARM_BUILTIN_CRYPTO_BASE): New enum tag.
5923 (arm_init_neon_builtins_internal): Rename arm_init_neon_builtins,
5924 (arm_init_crypto_builtins_internal): Rename arm_init_crypto_builtins.
5925 use add_builtin_function_ext_scope instead of add_builtin_function.
5926 (neon_set_p, neon_crypto_set_p): Remove.
5927 (arm_init_builtins): Always call arm_init_neon_builtins and
5928 arm_init_crypto_builtins.
5929 (arm_expand_builtin): Check that builtins are allowed for the arch.
5930 * config/arm/arm-protos.h (arm_init_neon_builtins): Remove prototype.
5931 * config/arm/arm.c (arm_valid_target_attribute_tree): Remove
5932 arm_init_neon_builtins call.
5934 2016-01-15 Richard Biener <rguenther@suse.de>
5936 PR tree-optimization/69117
5937 * tree-ssa-sccvn.h (struct vn_ssa_aux): Add info member.
5938 * tree-ssa-sccvn.c (set_ssa_val_to): Save and adjust SSA name info
5939 of the leader conservatively.
5940 (free_scc_vn): Restore original SSA name infos.
5942 2016-01-14 Jeff Law <law@redhat.com>
5944 PR tree-optimization/69270
5945 * tree-ssa-dom.c (ssa_name_has_boolean_range): If the type has a
5946 single bit of precision, verify it's also unsigned.
5947 (record_edge_info): Use constant_boolean_node rather than fold_convert
5948 to convert boolean_true/boolean_false to the right type.
5950 2016-01-14 Richard Henderson <rth@redhat.com>
5953 * loop-doloop.c (record_reg_sets): New.
5954 (doloop_optimize): Reject the transform if the sequence
5955 clobbers registers live at the end of the loop block.
5956 (doloop_optimize_loops): Enable df_live if needed.
5958 2016-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
5960 * config/rs6000/rs6000-builtin.def: Revert 2016-01-13 change.
5961 * gcc/config/rs6000/rs6000.c: Likewise.
5962 * gcc/config/rs6000/rs6000.h: Likewise.
5963 * gcc/config/rs6000/rs6000.md: Likewise.
5964 * gcc/doc/extend.texi: Likewsie.
5966 2016-01-14 Jeff Law <law@redhat.com>
5968 * tree-ssa-dom.c (ssa_name_has_boolean_range): Fix comment
5971 2016-01-14 Richard Henderson <rth@redhat.com>
5975 * trans-mem.c (tm_log_emit_stmt): Fix unit size to bit size.
5976 * tree.c (build_tm_vector_builtins): Use builtin_decl_explicit_p
5977 instead of builtin_decl_declared_p to test for declaration.
5979 2016-01-14 Nicklas Bo Jensen <nbjensen@gmail.com>
5981 * doc/loop.texi (Loop Analysis and Representation): Document
5982 loop_depth function.
5984 2016-01-14 Tom de Vries <tom@codesourcery.com>
5986 PR tree-optimization/68773
5987 * omp-low.c (expand_omp_target): Don't set force_output.
5988 * varpool.c (varpool_node::get_create): Same.
5989 * lto-cgraph.c (input_offload_tables): Mark entries in offload_vars and
5990 offload_funcs with force_output.
5992 2016-01-14 Jakub Jelinek <jakub@redhat.com>
5995 * lra-eliminations.c (move_plus_up): Don't change anything if either
5996 the outer or inner subreg mode is not MODE_INT.
5997 * dwarf2out.c (mem_loc_descriptor): For SUBREG, if outer mode is
5998 integral <= DWARF2_ADDR_SIZE, convert to untyped afterwards.
6000 2016-01-14 Alan Lawrence <alan.lawrence@arm.com>
6002 * doc/md.texi (reduc_smin_@var{m}, reduc_smax_@var{m},
6003 reduc_umin_@var{m}, reduc_umax_@var{m}, reduc_splus_@var{m},
6004 reduc_uplus_@var{m}): Remove.
6005 * expr.c (expand_expr_real_2): Remove expansion path for
6006 reduc_[us](min|max|plus) optabs.
6007 * optabs-tree.c (scalar_reduc_to_vector): Remove.
6008 * optabs-tree.h (scalar_reduc_to_vector): Remove.
6009 * optabs.def (reduc_smax_optab, reduc_smin_optab, reduc_splus_optab,
6010 reduc_umax_optab, reduc_umin_optab, reduc_uplus_optab): Remove.
6011 * tree-vect-loop.c (vectorizable_reduction): Remove test for
6012 reduc_[us](min|max|plus) optabs.
6014 2016-01-14 Alan Lawrence <alan.lawrence@arm.com>
6016 * config/mips/mips-ps-3d.md (reduc_splus_v2sf): Remove.
6017 (reduc_plus_scal_v2sf): New.
6018 (reduc_smax_v2sf): Rename to...
6019 (reduc_smax_scal_v2sf): ...here, make result SFmode, add vec_extract.
6020 (reduc_smin_v2sf): Rename to...
6021 (reduc_smin_scal_v2sf): ...here, make result SFmode, add vec_extract.
6023 2016-01-14 Jan Hubicka <hubicka@ucw.cz>
6025 * alias.c (compare_base_symbol_refs): New function.
6026 (rtx_equal_for_memref_p, base_alias_check, memrefs_conflict_p): Use
6029 2016-01-14 Jakub Jelinek <jakub@redhat.com>
6032 PR tree-optimization/69155
6033 * tree-complex.c: Include cfganal.h.
6034 (phis_to_revisit): New variable.
6035 (extract_component): Add phiarg_p argument. Assert that returned
6036 SSA_NAME has non-NULL SSA_NAME_DEF_STMT unless phiarg_p is true.
6037 (update_phi_components): Partly rewrite to use loop over real/imag
6038 components instead of code duplication. If extract_component returns
6039 SSA_NAME with NULL SSA_NAME_DEF_STMT, store SSA_NAME_VAR or
6040 create_tmp_reg into the PHI node instead, and mention the phi triplet
6042 (tree_lower_complex): Walk bbs in rpo order. Adjust phis recorded
6043 in phis_to_revisit at the end.
6045 2016-01-14 Richard Biener <rguenther@suse.de>
6047 PR tree-optimization/68060
6048 * tree-vect-loop.c (vect_is_simple_reduction): Check the
6049 outer loop reduction is only used in the inner loop before
6050 detecting a double reduction.
6052 2016-01-14 Jakub Jelinek <jakub@redhat.com>
6055 * combine.c (expand_field_assignment): Punt if compute_mode is
6056 unsupported scalar mode.
6058 2016-01-14 Richard Biener <rguenther@suse.de>
6060 PR tree-optimization/66856
6061 * tree-vect-slp.c (vect_build_slp_tree): Refactor to build
6062 SLP node only if it built successfully.
6063 (vect_analyze_slp_instance): Adjust.
6065 2016-01-14 Jeff Law <law@redhat.com>
6067 PR tree-optimization/69270
6068 * tree-ssa-dom.c (ssa_name_has_boolean_range): New function.
6069 (record_edge_info): Use it. Convert boolean_{true,false}_node
6072 2016-01-13 Jan Hubicka <hubicka@ucw.cz>
6075 * ipa-polymorphic-call.c (inlined_polymorphic_ctor_dtor_block_p):
6076 use block_ultimate_origin
6077 (noncall-stmt_may_be_vtbl_ptr_store): Likewise.
6079 2016-01-13 Sandra Loosemore <sandra@codesourcery.com>
6081 * doc/invoke.texi (Submodel Options): Rename section to
6082 "Machine-Dependent Options" to better reflect its content.
6083 Rewrite introductory text to remove archaic CPU names.
6086 2016-01-13 Sandra Loosemore <sandra@codesourcery.com>
6088 * doc/invoke.texi (Code Gen Options): Move section up in file,
6089 before target-specific options. Update menu and option summary
6090 to reflect the new section ordering.
6092 2016-01-13 Jonathan Wakely <jwakely@redhat.com>
6094 * doc/invoke.texi (C Dialect Options): Adjust -std default for C++.
6095 (C++ Dialect Options): Add cross-reference to -std option.
6096 * doc/standards.texi (C++ Language): Document C++14 support.
6098 2016-01-13 Michael Meissner <meissner@linux.vnet.ibm.com>
6100 * config/rs6000/rs6000-builtin.def (BU_FLOAT128_2): Add support
6101 for pack/unpack functions for __ibm128.
6102 (PACK_IF): Likewise.
6103 (UNPACK_IF): Likewise.
6105 * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Add
6106 support for __ibm128 pack/unpack functions.
6107 (rs6000_invalid_builtin): Likewise.
6108 (rs6000_init_builtins): Likewise.
6109 (rs6000_opt_masks): Likewise.
6111 * config/rs6000/rs6000.h (MASK_FLOAT128): Add short name.
6112 (RS6000_BTM_FLOAT128): Add support for __ibm128 pack/unpack
6114 (RS6000_BTM_COMMON): Likewise.
6116 * config/rs6000/rs6000.md (f128_vsx): New mode attribute.
6117 (unpack<mode>): Use FMOVE128_FPR iterator instead of FMOVE128, to
6118 disallow __builtin_{pack,unpack}_longdouble if long double is IEEE
6119 128-bit floating point. Add support for the double values to be
6120 in Altivec registers for TF/IF packing and unpacking, but restrict
6121 TD packing sub-fields to be FPR registers. Don't allow overlapped
6122 register support for packing. Allow pack inputs to be memory
6123 locations. Don't build generator functions for unpack<mode>_dm
6124 and unpack<mode>_nodm.
6125 (unpack<mode>_dm): Likewise.
6126 (unpack<mode>_nodm): Likewise.
6127 (pack<mode>): Likewise.
6129 * config/rs6000/rs6000-builtin.def (__builtin_pack_ibm128): Add
6130 built-in functions to pack/unpack explicit __ibm128 values.
6131 (__builtin_unpack_ibm128): Likewise.
6133 * doc/extend.texi (PowerPC Built-in Functions): Document
6134 __builtin_pack_ibm128 and __builtin_unpack_ibm128.
6136 2016-01-13 Bernd Schmidt <bschmidt@redhat.com>
6139 * c-common.c (check_function_nonnull): Remove unnecessary declaration.
6140 Add new arg loc and pass it down as context.
6141 (check_nonnull_arg): Don't mark ctx arg as unused. Use it as a pointer
6142 to the location to use for the warning.
6143 (check_function_arguments): New arg loc. All callers changed. Pass
6144 it to check_function_nonnull.
6145 * c-common.h (check_function_arguments): Adjust declaration.
6147 2016-01-13 Jakub Jelinek <jakub@redhat.com>
6149 PR tree-optimization/69156
6150 * gimple.c (validate_type): Removed.
6151 (gimple_builtin_call_types_compatible_p): Use
6152 useless_type_conversion_p instead of validate_type.
6153 * value-prof.c (gimple_stringop_fixed_value): Fold
6154 icall_size to correct type.
6156 2016-01-13 Jonathan Wakely <jwakely@redhat.com>
6158 * doc/extend.texi (__atomic Builtins): Clarify compare_exchange
6161 2016-01-13 Richard Henderson <rth@redhat.com>
6164 * target.def (builtin_tm_load, builtin_tm_store): Remove.
6165 * config/i386/i386.c (ix86_builtin_tm_load): Remove.
6166 (ix86_builtin_tm_store): Remove.
6167 (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
6168 (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
6169 * doc/tm.texi.in (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
6170 (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
6171 * doc/tm.texi: Rebuild.
6173 * gtm-builtins.def (BUILT_IN_TM_MEMCPY_RNWT): New.
6174 (BUILT_IN_TM_MEMCPY_RTWN): New.
6175 * trans-mem.c (tm_log_emit_stmt): Rearrange code for better
6176 fallback from vector to integer helpers.
6177 (build_tm_load): Handle vector types directly, instead of
6179 (build_tm_store): Likewise.
6180 (expand_assign_tm): Prepare for register types not handled by
6181 the above. Copy them to memory and use memcpy.
6182 * tree.c (tm_define_builtin): New.
6183 (find_tm_vector_type): New.
6184 (build_tm_vector_builtins): New.
6185 (build_common_builtin_nodes): Call it.
6187 2016-01-13 Uros Bizjak <ubizjak@gmail.com>
6189 * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Return -1 for
6190 TARGET_SSE_MATH without TARGET_SSE2. Rewrite.
6192 2016-01-13 Tom de Vries <tom@codesourcery.com>
6194 PR tree-optimization/69169
6195 * tree-ssa-structalias.c (create_variable_info_for_1): Add and handle
6196 handled_struct_type param.
6197 (create_variable_info_for, intra_create_variable_infos): Call
6198 create_variable_info_for_1 with extra arg.
6200 2016-01-13 Yvan Roux <yvan.roux@linaro.org>
6202 * config/arm/arm-arches.def: Remove spurious whitespace in "armv8.1-a"
6203 and "armv8.1-a+crc" entries.
6205 2016-01-13 Alexander Fomin <alexander.fomin@intel.com>
6208 * config/i386/sse.md (define_expand "avx512pf_gatherpf<mode>sf"):
6209 Change first operand predicate from register_or_constm1_operand
6210 to register_operand.
6211 (define_expand "avx512pf_gatherpf<mode>df"): Likewise.
6212 (define_expand "avx512pf_scatterpf<mode>sf"): Likewise.
6213 (define_expand "avx512pf_scatterpf<mode>df"): Likewise.
6214 (define_insn "*avx512pf_gatherpf<mode>sf"): Remove.
6215 (define_insn "*avx512pf_gatherpf<mode>df"): Likewise.
6216 (define_insn "*avx512pf_scatterpf<mode>sf"): Likewise.
6217 (define_insn "*avx512pf_scatterpf<mode>df"): Likewise.
6218 * config/i386/i386.c (ix86_expand_builtin): Remove first operand
6219 comparison with constm1_rtx from vec_prefetch_gen part.
6221 2016-01-13 Richard Biener <rguenther@suse.de>
6223 PR tree-optimization/69013
6224 * tree-ssa-uninit.c (prune_uninit_phi_opnds_in_unrealizable_paths):
6225 Exchange assert for a test.
6227 2016-01-13 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
6230 * config/s390/s390.md (bswaphi splitter): Use simplify_gen_subreg.
6232 2016-01-13 Richard Biener <rguenther@suse.de>
6234 PR tree-optimization/69242
6235 * tree-ssa-sccvn.c (visit_reference_op_load): Replace bogus
6236 assert with a check.
6238 2016-01-13 Richard Biener <rguenther@suse.de>
6240 PR tree-optimization/69186
6241 * tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
6242 Properly guard vect_update_misalignment_for_peel call.
6244 2016-01-12 Jeff Law <law@redhat.com>
6246 PR tree-optimization/pr67755
6247 * tree-ssa-threadupdate.c (struct ssa_local_info_t): Add new field
6248 "need_profile_correction".
6249 (thread_block_1): Initialize new field to false by default. If we
6250 have multiple thread paths through a common joiner to different
6251 final targets, then set new field to true.
6252 (compute_path_counts): Only do count adjustment when it's really
6255 2016-01-12 Sandra Loosemore <sandra@codesourcery.com>
6257 * doc/invoke.texi (Spec Files): Move section down in file, past
6258 all command-line option descriptions.
6260 2016-01-12 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
6263 * doc/gty.texi: Remove documentation of mark_hook.
6264 * gengtype.c (struct write_types_data): Remove code to support
6265 mark_hook attribute.
6266 (walk_type): Likewise.
6267 (write_func_for_structure): Likewise.
6269 2016-01-12 Sandra Loosemore <sandra@codesourcery.com>
6271 * doc/invoke.texi (Option Summary) Move -no-canonical-prefixes to
6272 Directory Options, and -specs= to Overall Options.
6273 (Overall Options): Adjust similarly. Reorder to group related
6274 options together. Make -specs= cross-reference the spec file details.
6275 (Directory Options): Adjust similarly.
6277 2016-01-12 Jeff Law <law@redhat.com>
6279 * tree-ssa-threadupdate.c: Various whitespace and typo fixes.
6281 2016-01-12 Olivier Hainque <hainque@adacore.com>
6283 * gcc.c (spec_undefvar_allowed): New global.
6284 (process_command): Set to true when running for --version or --help,
6286 (getenv_spec_function): When the variable is not defined, use the
6287 variable name as the variable value if we're allowed not to issue
6290 2016-01-12 Bin Cheng <bin.cheng@arm.com>
6292 PR tree-optimization/68911
6293 * tree-vrp.c (adjust_range_with_scev): Check overflow in range
6294 information computed for expression "init + nit * step".
6296 2016-01-12 Sandra Loosemore <sandra@codesourcery.com>
6298 * doc/invoke.texi (Invoking GCC): Copy-edit. Incorporate information
6299 about name of GCC executable. Remove deleted node from menu.
6300 (Directory Options) <-B>: Remove cross-reference to deleted node.
6301 (Target Options): Delete section.
6303 2016-01-12 Christian Bruel <christian.bruel@st.com>
6306 * config/arm/arm-c.c (arm_pragma_target_parse): Set NODE_CONDITIONAL
6307 for __ARM_NEON_FP, __ARM_FP, _ARM_FEATURE_LDREX.
6309 2016-01-12 Jakub Jelinek <jakub@redhat.com>
6312 * config/i386/i386.c (ix86_expand_special_args_builtin): Ensure
6313 aligned_mem is properly set for AVX512-VL floating point masked
6317 * ifcvt.c (cond_exec_process_if_block): When removing the last
6318 insn from then_bb, remove also any possible barriers that follow it.
6320 2016-01-12 H.J. Lu <hongjiu.lu@intel.com>
6324 * config/i386/iamcu.h (SIZE_TYPE): New macro.
6325 (PTRDIFF_TYPE): Likewise.
6326 (WCHAR_TYPE): Likewise.
6327 (WCHAR_TYPE_SIZE): Likewise.
6328 (STDINT_LONG32): Likewise.
6330 2016-01-12 Richard Biener <rguenther@suse.de>
6332 PR tree-optimization/69053
6333 * tree-vect-loop.c (get_initial_def_for_reduction): Properly
6334 convert initial value for cond reductions.
6336 2016-01-12 Richard Biener <rguenther@suse.de>
6338 PR tree-optimization/69007
6339 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Move
6340 widen_sum after dot_prod and sad.
6342 2016-01-12 Richard Biener <rguenther@suse.de>
6344 PR tree-optimization/69168
6345 * tree-vect-loop.c (vect_analyze_loop_2): Reset both main and
6346 pattern stmt SLP type.
6347 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Patterns may
6348 end up unused so cope with that case.
6350 2016-01-12 Richard Biener <rguenther@suse.de>
6352 PR tree-optimization/69157
6353 * tree-vect-stmts.c (vectorizable_mask_load_store): Check
6354 stmts def type only during analyze phase.
6355 (vectorizable_call): Likewise.
6356 (vectorizable_simd_clone_call): Likewise.
6357 (vectorizable_conversion): Likewise.
6358 (vectorizable_assignment): Likewise.
6359 (vectorizable_shift): Likewise.
6360 (vectorizable_operation): Likewise.
6361 (vectorizable_store): Likewise.
6362 (vectorizable_load): Likewise.
6364 2016-01-12 Richard Biener <rguenther@suse.de>
6366 PR tree-optimization/69174
6367 * tree-vect-stmts.c (vect_mark_relevant): Remove excessive vertical
6369 (vectorizable_load): Properly compute the number of loads needed
6370 for permuted strided SLP loads and do not spuriously assign
6371 to SLP_TREE_VEC_STMTS.
6373 2016-01-12 Andris Pavenis <andris.pavenis@iki.fi>
6375 * config/i386/djgpp.h (PREFERRED_DEBUGGING_TYPE): Define to DWARF2
6376 (TARGET_ASM_OUTPUT_IDENT): Define to default_asm_output_ident_directive
6377 (MD_EXEC_PREFIX): Remove.
6378 (MD_STARTFILE_PREFIX) Removee.
6379 (FILE_NAME_ABSOLUTE_P): Remove.
6380 (CPP_SPEC): Do not read macros from sys/version.h.
6381 (LINK_COMMAND_SPEC): Remove.
6382 (LOCAL_INCLUDE_DIR): Remove.
6383 (TARGET_ASM_NAMED_SECTION): Define to i386_djgpp_asm_named_section
6384 (TARGET_OS_CPP_BUILTINS): Add DJGPP (non ISO only), __DJGPP, __DJGPP__, unix.
6385 (POST_LINK_SPEC): Define to invoke stubify after linker
6386 (LIBSTDCXX): Remove define
6387 (DBX_REGISTER_NUMBER): Define to svr4_dbx_register_map.
6388 (DEFAULT_PCC_STRUCT_RETURN): Define to 1.
6389 (SUBTARGET_OVERRIDE_OPTIONS): Remove warning about -mbnu2210.
6390 (SUBTARGET_OVERRIDE_OPTIONS): Ignore -fPIC and generate message.
6391 (SUBTARGET_OVERRIDE_OPTIONS): Default to DWARF2 debugging info.
6392 (IX86_MAYBE_NO_LIBGCC_TFMODE): Remove.
6393 (i386_djgpp_asm_named_section): Add propotype of new procedure
6395 * config/i386/xm-djgpp.h (NATIVE_SYSTEM_HEADER_DIR): Define.
6396 (MD_EXEC_PREFIX): Define (moved from config/i386/djgpp.h).
6397 (STANDARD_STARTFILE_PREFIX_1): Define (moved from MD_STARTFILE_PREFIX
6398 in config/i386/djgpp.h).
6399 (STANDARD_STARTFILE_PREFIX_2): Define identical to
6400 STANDARD_STARTFILE_PREFIX_1.
6401 (LOCAL_INCLUDE_DIR): Define (moved from config/i386/djgpp.h).
6402 (GCC_DRIVER_HOST_INITIALIZATION): Fix reporting fatal
6403 installation errors.
6404 (MAX_OFILE_ALIGNMENT): Define to 128.
6405 (HAVE_FTW_H): Undefine as DJGPP do not have nftw, but have ftw.h.
6407 * config/i386/djgpp.c: New file. Add implementation of
6408 i386_djgpp_asm_named_section.
6410 * config/i386/djgpp.opt: Remove obsolete option -mbnu210.
6412 * config/i386/t-djgpp: New file. Add djgpp.o to EXTRA_OBJS.
6413 Add rule for building djgpp.o.
6415 2016-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
6417 * config/rs6000/rs6000.c (v2df_reduction_p): New function.
6418 (rtx_is_swappable_p): Reductions are swappable.
6419 (insn_is_swappable_p): V2DF reductions are swappable.
6421 2016-01-11 John David Anglin <danglin@gcc.gnu.org>
6423 * config/pa/pa.c (pa_emit_move_sequence): Handle floating point
6424 reloads for other unsupported memory operands.
6426 2016-01-12 Kugan Vivekanandarajah <kuganv@linaro.org>
6427 Jim Wilson <jim.wilson@linaro.org>
6430 * config/arm/arm-builtins.c (arm_expand_neon_args): Call
6431 copy_to_mode_reg instead of force_reg.
6433 2016-01-11 H.J. Lu <hongjiu.lu@intel.com>
6436 * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Set to 2 only if
6437 TARGET_80387 is true.
6439 2016-01-11 Jakub Jelinek <jakub@redhat.com>
6442 * lra-eliminations.c (move_plus_up): Only move plus up
6443 if subreg of the constant can be simplified into constant
6444 and use the simplified subreg of the constant instead of
6445 the original constant.
6447 * fold-const.c (fold_convertible_p): Don't return true
6448 for conversion of VECTOR_TYPE to same sized integral type.
6449 (fold_convert_loc): Fix up formatting. Fold conversion of
6450 VECTOR_TYPE to same sized integral type using VIEW_CONVERT_EXPR
6451 instead of NOP_EXPR.
6453 PR tree-optimization/69214
6454 * tree-vrp.c (simplify_cond_using_ranges): Don't propagate
6455 innerop into a comparison if SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
6458 PR tree-optimization/69207
6459 * tree-vect-slp.c (vect_get_constant_vectors): For
6460 VECTOR_BOOLEAN_TYPE_P, assert op has integral type instead of
6461 fold_convertible_p to vector_type's element type, and always
6462 use VCE for non-VECTOR_BOOLEAN_TYPE_P.
6464 2016-01-11 Richard Biener <rguenther@suse.de>
6466 PR tree-optimization/69173
6467 * tree-vect-loop.c (vect_fixup_scalar_cycles_with_patterns): Only
6468 fixup the cycle if all stmts are in a pattern.
6470 2016-01-11 Uros Bizjak <ubizjak@gmail.com>
6473 * alias.c (base_alias_check): Move check for addresses with
6474 alignment ANDs before the call for compare_base_decls.
6475 (memrefs_conflict_p): Return -1 for different decls
6476 that went through alignment adjustments.
6478 2016-01-11 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
6480 PR rtl-optimization/68796
6481 * config/aarch64/aarch64.md (*and<mode>_compare0): New pattern.
6482 * config/aarch64/aarch64.c (aarch64_select_cc_mode): Handle HImode
6483 and QImode comparisons against zero with CC_NZmode.
6484 * config/aarch64/iterators.md (short_mask): New mode_attr.
6486 2016-01-11 H.J. Lu <hongjiu.lu@intel.com>
6488 * config/i386/sse.md (<avx512>_load<mode>_mask): Remove snprintf.
6489 (<avx512>_store<mode>_mask): Likewise.
6491 2016-01-11 Bernd Schmidt <bschmidt@redhat.com>
6492 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
6494 PR rtl-optimization/68841
6495 * ifcvt.c (struct noce_if_info): Add orig_x field.
6496 (bbs_ok_for_cmove_arith): Add to_rename parameter.
6497 Don't record conflicts on to_rename if it's present.
6498 Allow memory destinations in sets.
6499 (noce_try_cmove_arith): Call bbs_ok_for_cmove_arith even on simple
6500 blocks, passing orig_x to the checks.
6501 (noce_process_if_block): Set if_info->orig_x appropriately.
6503 2016-01-11 Tom de Vries <tom@codesourcery.com>
6505 PR tree-optimization/69069
6506 * tree-parloops.c (create_parallel_loop): Add missing phi args.
6508 2016-01-11 Yuri Rumyantsev <ysrumyan@gmail.com>
6510 PR rtl-optimization/68920
6511 * config/i386/i386.c (ix86_option_override_internal): Restrict number
6512 of conditional moves for RTL if-conversion to 1 for
6513 TARGET_ONE_IF_CONV_INSN.
6514 * config/i386/i386.h (TARGET_ONE_IF_CONV_INSN): New macros.
6515 * config/i386/x86-tune.def (X86_TUNE_ONE_IF_CONV_INSN): New macros.
6516 * params.def (PARAM_MAX_RTL_IF_CONVERSION_INSNS) : Introduce new
6517 parameter to restirct number of conditional moves for
6519 * doc/invoke.texi (max-rtl-if-conversion-insns): Document it.
6520 * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Limit number of
6523 2016-01-11 Alexandre Oliva <aoliva@redhat.com>
6526 * var-tracking.c (drop_overlapping_mem_locs): Operate on all
6527 onepart vars. Fix typo in comment. Fix reversed condition in
6529 (dataflow_set_remove_mem_locs): Operate on all onepart vars.
6532 * var-tracking.c (dump_onepart_variable_differences): New.
6533 (dataflow_set_different): If a detailed dump is requested,
6534 delay early returns and dump differences between onepart
6535 variables present before and after, and added variables.
6537 2016-01-11 Ilya Enkovich <enkovich.gnu@gmail.com>
6540 * expr.c (expand_expr_real_1): For boolean vector constants
6541 with a scalar mode use const_scalar_mask_from_tree.
6542 (const_scalar_mask_from_tree): New.
6543 * optabs.c (expand_vec_cond_mask_expr): Use mask mode
6544 assigned to a mask type to handle constants.
6546 2016-01-11 Martin Jambor <mjambor@suse.cz>
6549 * ipa-cp.c (estimate_local_effects): Do not clone for removal of
6550 useless parameters if we cannot change function signature.
6552 2016-01-11 Martin Jambor <mjambor@suse.cz>
6555 * cgraphclones.c (duplicate_thunk_for_node): Copy can_change_signature
6558 2016-01-11 Tom de Vries <tom@codesourcery.com>
6560 PR tree-optimization/69109
6561 * tree-parloops.c (try_transform_to_exit_first_loop_alt): Don't allow
6564 2016-01-11 Tom de Vries <tom@codesourcery.com>
6566 PR tree-optimization/69108
6567 * tree-parloops.c (gather_scalar_reductions): Handle case that outer phi
6568 res is not used in a phi.
6570 2016-01-11 Yury Gribov <y.gribov@samsung.com>
6573 * common.opt (frandom-seed): Fix parameter name.
6574 * doc/invoke.texi (frandom-seed): Ditto and describe parameter.
6576 2016-01-11 Tom de Vries <tom@codesourcery.com>
6578 PR tree-optimization/69058
6579 * tree-parloops.c (pass_parallelize_loops::execute): Return 0 if libgomp
6582 2016-01-11 Andrew Burgess <andrew.burgess@embecosm.com>
6584 * config/arc/arc.opt (mdiv-rem): Add period to the end.
6585 (mcode-density): Likewise.
6587 2016-01-10 Tom de Vries <tom@codesourcery.com>
6589 PR tree-optimization/69062
6590 * tree-parloops.c (loop_has_phi_with_address_arg): New function.
6591 (parallelize_loops): Don't paralelize loop that has phi with address
6594 2016-01-10 Tom de Vries <tom@codesourcery.com>
6596 PR tree-optimization/69039
6597 * tree-parloops.c (try_create_reduction_list): Only allow single exit
6600 2016-01-09 John David Anglin <danglin@gcc.gnu.org>
6603 * match.pd: Require target has function_c99_misc before doing
6604 truncl(extend(x)) and trunc(extend(x)) -> extend(truncf(x)), etc.
6606 2016-01-09 Gerald Pfeifer <gerald@pfeifer.com>
6608 * configure.ac (isl_options_set_schedule_serialize_sccs): Also
6610 * configure: Regenerate.
6612 2016-01-09 Jakub Jelinek <jakub@redhat.com>
6615 PR tree-optimization/69097
6616 * fold-const.h (expr_not_equal_to): New prototype.
6617 * fold-const.c: Include stringpool.h and tree-ssanames.h.
6618 (expr_not_equal_to): New function.
6619 * match.pd (X % -Y is the same as X % Y): Don't optimize
6620 unless X is known not to be equal to minimum or Y is known
6621 not to be equal to -1.
6622 * tree-vrp.c (simplify_div_or_mod_using_ranges): Add GSI argument.
6623 fold TRUNC_MOD_EXPR if the second argument is not a power of two.
6624 (simplify_stmt_using_ranges): Adjust caller.
6625 (vrp_finalize): Call set_value_range on SSA_NAMEs before calling
6626 substitute_and_fold.
6628 2016-01-09 Jan Hubicka <hubicka@ucw.cz>
6630 * ipa-icf.c (sem_item_optimizer::merge_classes): Do not ICE on VAR_DECL
6633 2016-01-08 Jakub Jelinek <jakub@redhat.com>
6635 PR tree-optimization/69167
6636 * gimple-fold.c (replace_stmt_with_simplification): Also punt if
6637 new SSA_NAME_OCCURS_IN_ABNORMAL_PHI SSA_NAMEs appear in operands of
6639 * gimple-match-head.c (maybe_push_res_to_seq): Likewise.
6641 2016-01-08 Alan Lawrence <alan.lawrence@arm.com>
6642 Richard Biener <rguenther@suse.de>
6644 PR tree-optimization/68707
6645 * tree-vect-slp.c (vect_analyze_slp_instance): Cancel permuted SLP
6646 instances that can be handled via vect_load_lanes.
6648 2016-01-08 Uros Bizjak <ubizjak@gmail.com>
6650 * symtab.c (symtab_node::equal_address_to): Return -1 instead of 2
6651 if we can't determine address equivalence.
6652 * alias.c (compare_base_decl): Update for changed return value of
6653 symtab_node::equal_address_to.
6655 2016-01-08 Jason Merrill <jason@redhat.com>
6659 * function.c (assign_temp): Guard against TREE_ADDRESSABLE types here.
6660 * expr.c (store_field): Not here.
6661 * tree-cfgcleanup.c (fixup_noreturn_call): Don't clear LHS of a
6662 call with TREE_ADDRESSABLE type.
6663 * tree-cfg.c (verify_gimple_call): Adjust.
6665 2016-01-08 Olivier Hainque <hainque@adacore.com>
6667 * config/vxworks.h (VXWORKS_LIBGCC_SPEC): Don't link shared RTPs with
6670 2016-01-08 Alan Lawrence <alan.lawrence@arm.com>
6672 * gcc.target/rs6000/paired.md (reduc_smax_v2sf): Rename to...
6673 (reduc_smax_scal_v2sf): ...here, make result SFmode, extract element.
6674 (reduc_smin_v2sf): Rename to...
6675 (reduc_smin_scal_v2sf): ...here, make result SFmode, extract element.
6676 (reduc_splus_v2sf): Rename to...
6677 (reduc_plus_scal_v2sf): ...here, make result SFmode, extract element.
6679 2016-01-08 Jakub Jelinek <jakub@redhat.com>
6681 PR tree-optimization/69162
6682 * gimplify.c (gimplify_va_arg_expr): Encode original type of
6683 valist argument in another argument.
6684 (gimplify_modify_expr): Adjust for the above change. Cleanup.
6685 * tree-stdarg.c (expand_ifn_va_arg_1): Use new 3rd argument
6686 to determine the va_list type, build a MEM_REF instead of
6687 build_fold_indirect_ref.
6689 PR tree-optimization/69172
6690 * gimple-fold.c (gimple_fold_builtin_memory_chk): Pass type to
6693 2016-01-08 Thomas Preud'homme <thomas.preudhomme@arm.com>
6695 PR tree-optimization/67781
6696 * tree-ssa-math-opts.c (find_bswap_or_nop): Zero out bytes in cmpxchg
6697 and cmpnop in two steps: first the ones not accessed in original
6698 gimple expression in a endian independent way and then the ones not
6699 accessed in the final result in an endian-specific way.
6701 2016-01-08 Jakub Jelinek <jakub@redhat.com>
6703 PR tree-optimization/69083
6704 * tree-vect-slp.c (vect_get_constant_vectors): For
6705 VECTOR_BOOLEAN_TYPE_P assert op is fold_convertible_p to vector_type's
6706 element type. If op is fold_convertible_p to vector_type's element
6707 type, use NOP_EXPR instead of VCE.
6709 2016-01-08 Segher Boessenkool <segher@kernel.crashing.org>
6711 PR rtl-optimization/67778
6712 PR rtl-optimization/68634
6713 PR rtl-optimization/68909
6714 * shrink-wrap.c (try_shrink_wrapping): Add comment. Don't pop
6715 block from the stack until done with it. Remove a superfluous
6716 bitmap set. Remove a superfluous bitmap test.
6718 2016-01-07 Martin Sebor <msebor@redhat.com>
6721 * doc/extend.texi (__atomic Builtins, __sync Builtins): Document
6722 constraint on the type of arguments.
6724 2016-01-07 Andreas Tobler <andreast@gcc.gnu.org>
6726 * config/arm/freebsd.h: Rename SUBTARGET_OVERRIDE_OPTIONS to
6727 SUBTARGET_OVERRIDE_INTERNAL_OPTIONS. Adjust to check
6728 unaligned_access on the gcc_options set.
6729 * config/arm/arm.c (arm_option_override_internal): Use
6730 SUBTARGET_OVERRIDE_INTERNAL_OPTIONS.
6732 2016-01-07 Uros Bizjak <ubizjak@gmail.com>
6735 * config/i386/i386.c (ix86_frame_pointer_required): Enable
6736 frame pointer for TARGET_64BIT_MS_ABI when stack is misaligned.
6738 2016-01-07 Uros Bizjak <ubizjak@gmail.com>
6741 2016-01-06 Uros Bizjak <ubizjak@gmail.com>
6744 * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
6745 depending on frame_pointer_needed before remaining integer and SSE
6746 registers are saved.
6748 2016-01-07 Sandra Loosemore <sandra@codesourcery.com>
6751 * doc/extend.texi (Nvidia PDX Function Attributes): New section.
6753 2016-01-07 H.J. Lu <hongjiu.lu@intel.com>
6756 * config/i386/sse.md (<sse>_sqrt<mode>2<mask_name><round_name>):
6757 Use the "xBm" constraint.
6758 (float<sseintvecmodelower><mode>2<mask_name><round_name):
6760 (sse_cvtsi2ss<round_name>): Use round_nimm_scalar_predicate.
6761 (sse_cvtsi2ssq<round_name>): Likewise.
6762 (sse_cvtss2si<round_name>): Likewise.
6763 (sse_cvtss2siq<round_name>): Likewise.
6764 (sse2_cvtsi2sdq<round_name>): Likewise.
6765 (sse2_cvtsd2si<round_name>): Likewise.
6766 (sse2_cvtsd2siq<round_name>): Likewise.
6767 * config/i386/subst.md (round_nimm_scalar_predicate): New
6770 2015-12-15 Bernd Schmidt <bschmidt@redhat.com>
6773 * varasm.c (make_decl_rtl): Mark invalid register vars as
6776 PR rtl-optimization/66206
6777 * bt-load.c (find_btr_use): Change first arg to be a pointer to an rtx.
6778 All callers changed.
6780 2016-01-07 Jakub Jelinek <jakub@redhat.com>
6782 PR tree-optimization/69141
6783 * tree-ssa-pre.c: Include langhooks.h.
6784 (eliminate_dom_walker::before_dom_children): Use
6785 lang_hooks.decl_printable_name instead of
6786 cgraph_node::get ()->name ().
6789 * gimple-expr.c (copy_var_decl): If var has DECL_USER_ALIGN set, copy
6790 it and DECL_ALIGN too.
6792 2016-01-06 Robert Suchanek <robert.suchanek@imgtec.com>
6794 * config/mips/mips-ftypes.def: Sort to lexicographical order.
6796 2016-01-06 Uros Bizjak <ubizjak@gmail.com>
6799 * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
6800 depending on frame_pointer_needed before remaining integer and SSE
6801 registers are saved.
6803 2015-01-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
6805 * config/rs6000/vsx.md (*p9_vecload_<mode>): Replace VSX_M
6806 mode iterator with VSX_M2.
6807 (*p9_vecstore_<mode>): Likewise.
6808 (*vsx_le_permute_<mode>): Restrict to !TARGET_P9_VECTOR.
6809 (*vsx_le_perm_load_<mode> for VSX_LE_128): Likewise.
6810 (*vsx_le_perm_store_<mode> for VSX_LE_128): Likewise.
6811 (define_split for VSX_LE128 stores): Likewise.
6812 (define_peephole2 for TImode LE swaps): Likewise.
6813 (define_split for VSX_LE128 post-reload stores): Likewise.
6815 2016-01-06 Marek Polacek <polacek@redhat.com>
6818 * convert.c (convert_to_integer_1): Adjust call to
6819 ubsan_instrument_float_cast. Use NULL_TREE instead of NULL.
6820 * ubsan.c (ubsan_instrument_float_cast): Drop the ARG parameter. Use
6821 EXPR instead of ARG.
6822 * ubsan.h (ubsan_instrument_float_cast): Adjust declaration.
6824 2016-01-05 Sandra Loosemore <sandra@codesourcery.com>
6827 * doc/extend.texi (RL78 Variable Attributes): New section.
6829 2016-01-05 Marek Polacek <polacek@redhat.com>
6832 * builtins.c (get_memmodel): Use expansion point location rather than
6833 the input location. Call warning_at rather than warning.
6834 (expand_builtin_atomic_compare_exchange): Likewise.
6835 (expand_builtin_atomic_load): Likewise.
6836 (expand_builtin_atomic_store): Likewise.
6837 (expand_builtin_atomic_clear): Likewise.
6839 2016-01-05 H.J. Lu <hongjiu.lu@intel.com>
6842 * config/i386/i386.c (ix86_expand_vector_logical_operator):
6843 Replace nonimmediate_operand with vector_operand.
6844 * config/i386/predicates.md (vector_operand): New predicate.
6845 (general_vector_operand): Replace nonimmediate_operand with
6847 * config/i386/sse.md: Replace nonimmediate_operand with
6848 vector_operand and m constraint with Bm constraint on SSE
6849 patterns with 16-byte memory operand.
6850 * config/i386/subst.md (round_nimm_predicate): Replace
6851 nonimmediate_operand with vector_operand.
6852 (round_saeonly_nimm_predicate): Likewise.
6853 (round_saeonly_nimm_scalar_predicate): New.
6855 2016-01-05 H.J. Lu <hongjiu.lu@intel.com>
6858 * config/i386/constraints.md (Bm): New constraint.
6859 * config/i386/predicates.md (vector_memory_operand): New
6861 * config/i386/sse.md: Replace xm with xBm in plusminus and
6864 2016-01-05 Sandra Loosemore <sandra@codesourcery.com>
6867 * doc/extend.texi (V850 Function Attributes): New section.
6868 (V850 Variable Attributes): New section.
6870 2016-01-05 Sandra Loosemore <sandra@codesourcery.com>
6873 * doc/extend.texi (MicroBlaze Function Attributes): Document
6874 interrupt_handler and fast_interrupt attributes.
6876 2016-01-05 Sergei Trofimovich <siarheit@google.com>
6879 * config/ia64/ia64.c (ia64_expand_load_address): Use gprel64
6880 for local symbolic operands.
6881 * config/ia64/predicates.md (local_symbolic_operand64): New
6884 2016-01-05 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
6886 PR rtl-optimization/68651
6887 * combine.c (combine_simplify_rtx): Canonicalize x + x into
6890 2016-01-05 Nathan Sidwell <nathan@acm.org>
6892 * alias.c (compare_base_decls): Use symtab_node::get.
6894 2016-01-05 Nick Clifton <nickc@redhat.com>
6897 * ira-costs.c (copy_cost): Initialise the t_icode field of the
6898 secondary_reload_info structure.
6901 * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Define to use weak
6902 decls if weak support is available.
6904 2016-01-04 Martin Sebor <msebor@redhat.com>
6906 * doc/invoke.texi (Warning Options): Document -Winvalid-memory-model.
6908 2016-01-04 Michael Meissner <meissner@linux.vnet.ibm.com>
6910 * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Add
6911 OPTION_MASK_P9_DFORM.
6913 * config/rs6000/constraints.md (wo constraint): New constraint for
6916 * config/rs6000/rs6000.c (rs6000_debug_reg_global): Add support
6918 (rs6000_init_hard_regno_mode_ok): Likewise.
6920 * config/rs6000/rs6000.h (r6000_reg_class_enum): Add support for
6923 * config/rs6000/altivec.md (altivec_vperm_<mode>): Clean up vperm
6924 expanders not to have constraints. Add support for ISA 3.0 xxperm
6925 instruction. Add support for fusing xxlor with xxperm.
6926 (altivec_vperm_<mode>_internal): Likewise.
6927 (altivec_vperm_v8hiv16qi): Likewise.
6928 (altivec_vperm_<mode>v16q): Likewise.
6929 (altivec_vperm_<mode>_uns): Likewise.
6930 (vperm_v8hiv4si): Likewise.
6931 (vperm_v16qiv8hi): Likewise.
6933 * doc/md.texi (RS/6000 constraints): Document wo constraint.
6935 2016-01-04 Jakub Jelinek <jakub@redhat.com>
6937 Update copyright years.
6939 * gcc.c (process_command): Update copyright notice dates.
6940 * gcov-dump.c (print_version): Ditto.
6941 * gcov.c (print_version): Ditto.
6942 * gcov-tool.c (print_version): Ditto.
6943 * gengtype.c (create_file): Ditto.
6944 * doc/cpp.texi: Bump @copying's copyright year.
6945 * doc/cppinternals.texi: Ditto.
6946 * doc/gcc.texi: Ditto.
6947 * doc/gccint.texi: Ditto.
6948 * doc/gcov.texi: Ditto.
6949 * doc/install.texi: Ditto.
6950 * doc/invoke.texi: Ditto.
6952 2016-01-04 Eric Botcazou <ebotcazou@adacore.com>
6954 * config/arm/arm.c (aapcs_vfp_allocate_return_reg): Treat all integer
6955 modes larger than TImode as TImode if NEON is not enabled.
6957 2016-01-04 Eric Botcazou <ebotcazou@adacore.com>
6960 * config/sparc/sparc.h (FUNCTION_ARG_REGNO_P): Return true in 64-bit
6961 mode for %f0-%f31 only if TARGET_FPU.
6963 2016-01-04 Eric Botcazou <ebotcazou@adacore.com>
6966 * config/sparc/sparc.c (scan_record_type): Take into account subfields
6967 to compute the PACKED_P predicate.
6968 (function_arg_record_value): Minor tweaks.
6970 2016-01-04 Thomas Preud'homme <thomas.preudhomme@arm.com>
6972 * doc/install.texi (--with-multilib-list): Describe the meaning of the
6973 option for arm*-*-* targets.
6975 2016-01-03 Sandra Loosemore <sandra@codesourcery.com>
6977 * doc/extend.texi (Common Function Attributes): Move docs for
6978 MSP430-specific attributes to....
6979 (MSP430 Function Attributes): ...here. Delete the redundant
6980 entries and copy-edit the remaining text.
6981 (MSP430 Variable Attributes): Use uniform format for index
6982 entries and add a cross-reference to the corresponding function
6985 2016-01-03 Vladimír Čunát <vcunat@gmail.com>
6987 * doc/invoke.texi (RS/6000 and PowerPC Options): Fix
6989 (x86 Options): Likewise.
6991 2016-01-01 Sandra Loosemore <sandra@codesourcery.com>
6995 * extend.texi (Common Function Attributes) <no_stack_limit>: New.
6996 * invoke.texi (Code Gen Options) <-fno-stack-limit>: Add pointer
6997 to corresponding attribute.
6999 2016-01-01 Sandra Loosemore <sandra@codesourcery.com>
7001 * doc/extend.texi (Common Function Attributes) <noplt>: Move
7002 to correct alphabetization of table. Copy-edit and correct
7004 <stack_protect>: Likewise.
7005 <target_clones>: Likewise.
7007 * doc/invoke.texi (Optimize Options) <-fstack-protector-explicit>:
7008 Correct punctuation.
7009 (Code Gen Options) <-fno-plt>: Copy-edit.
7011 2016-01-01 Bernd Edlinger <bernd.edlinger@hotmail.de>
7014 * config/tilegx/tilegx.md (clzsi2): Don't create DI subregs of
7015 SI values. Explicitly convert SI to DI and vice-versa.
7017 2016-01-01 Jakub Jelinek <jakub@redhat.com>
7019 PR tree-optimization/69070
7020 * tree-ssa-math-opts.c (gimple_expand_builtin_pow): Only test
7021 REAL_VALUE_ISSIGNALING_NAN on arg0 if arg0 is a REAL_CST.
7024 * ubsan.c (ubsan_instrument_float_cast): Call
7025 initialize_sanitizer_builtins.
7028 * ifcvt.c (find_cond_trap): Give up if returnjump_p (jump).
7030 Copyright (C) 2016 Free Software Foundation, Inc.
7032 Copying and distribution of this file, with or without modification,
7033 are permitted in any medium without royalty provided the copyright
7034 notice and this notice are preserved.