1 2016-03-23 Jakub Jelinek <jakub@redhat.com>
3 PR tree-optimization/70354
4 * tree-vect-patterns.c (vect_recog_vector_vector_shift_pattern): If
5 oprnd0 is wider than oprnd1 and there is a cast from the wider
6 type to oprnd1, mask it with the mask of the narrower type.
9 * config/i386/i386.md (*anddi3_doubleword, *<code>di3_doubleword):
10 Optimize TARGET_STV splitters, if high or low word of last argument
13 2016-03-22 Jeff Law <law@redhat.com>
16 tree-ssa-threadbackward.c
17 (fsm_find_control_statement_thread_paths): Correctly distinguish
18 between old style jump threads vs FSM jump threads.
20 2016-03-22 Ilya Enkovich <enkovich.gnu@gmail.com>
23 * config/i386/i386.c (scalar_chain::convert_op): Support
24 uninitialized register usage case.
26 2016-03-22 Richard Biener <rguenther@suse.de>
29 * genmatch.c (gen_transform): Adjust last parameter to a three-state
31 (capture::gen_transform): ... to change behavior when substituting
32 a condition into cond or not-cond expr context.
33 (dt_simplify::gen_1): Adjust.
34 * gimple-match-head.c: Include gimplify.h for unshare_expr.
35 * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Revert
36 last change and instead change to
37 A + (B vcmp C ? 1 : 0) -> A - (B vcmp C ? -1 : 0).
38 (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
40 2016-03-22 Anthony Green <green@moxielogic.com>
42 * config/moxie/moxiebox.h (CC1_SPEC): Define. Fix endianness
43 issue for moxiebox targets.
44 (CC1PLUS_SPEC): Ditto.
46 2016-03-22 Richard Biener <rguenther@suse.de>
49 * fold-const.c (extract_muldiv_1): Properly perform multiplication
52 2016-03-22 Kirill Yukhin <kirill.yukhin@intel.com>
54 * config/i386/i386.c (def_builtin): Remove duplicated functionality.
56 2016-03-22 Kirill Yukhin <kirill.yukhin@intel.com>
59 * config/i386/i386.c (def_builtin): Handle
60 OPTION_MASK_ISA_AVX512VL to be and-ed with other
62 (const struct builtin_description bdesc_special_args[]):
63 Remove duplicate ISA bits.
65 2016-03-22 Jakub Jelinek <jakub@redhat.com>
68 * config/i386/i386.c (ix86_expand_vecop_qihi): Don't bother computing
69 d.perm[i] for i >= d.nelt. If not full_interleave, compute d.perm[i]
70 in a way that works also for AVX512BW.
73 * config/i386/i386.md (cvtsd2ss splitter): Unpack in destination
74 instead of source if operands[1] is xmm16 and above and
75 !TARGET_AVX512VL. Use avx512f_vec_dupv16sf_1 instead of
76 vec_interleave_lowv4sf if we need to unpack xmm16 and above.
79 * gimplify.c (gimplify_modify_expr): Call gimple_set_no_warning
80 on assign if (*from_p) is a comparison, set it to
81 TREE_NO_WARNING (*from_p).
83 2016-03-21 Jakub Jelinek <jakub@redhat.com>
86 * lra.c (restore_scratches): Ignore deleted insns.
88 2016-03-21 Marc Glisse <marc.glisse@inria.fr>
89 Jakub Jelinek <jakub@redhat.com>
91 PR tree-optimization/70317
92 * match.pd (cmp @0 @0): Pass @0 instead of TYPE_MODE (TREE_TYPE (@0))
95 2016-03-21 Uros Bizjak <ubizjak@gmail.com>
98 * config/i386/i386.md (movxi): Use ix86_expand_vector_move instead
101 (movti): Use general_operand for operand 1 predicate.
103 2016-03-21 Martin Liska <mliska@suse.cz>
105 * hsa-dump.c (dump_hsa_insn_1): dump default branch of SBR
107 (dump_hsa_symbol): Dump BRIG offset of hsa_symbols.
109 2016-03-21 Martin Liska <mliska@suse.cz>
112 * ipa-icf.c (sem_function::parse): Skip static
113 constructors and destructors.
115 2016-03-21 Jakub Jelinek <jakub@redhat.com>
118 * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If IDENT is
119 function-like macro, peek following token(s) if it is followed
120 by CPP_OPEN_PAREN token with optional padding in between, and
121 if not, don't treat it like a macro.
123 2016-03-21 Thomas Schwinge <thomas@codesourcery.com>
124 Alexander Monakov <amonakov@ispras.ru>
126 * config/nvptx/nvptx.c (nvptx_option_override): Don't emit sorry
127 for the stabs debug format.
129 2016-03-21 Richard Biener <rguenther@suse.de>
131 PR tree-optimization/70310
132 * tree-vect-generic.c (expand_vector_condition): Fold the built
135 2016-03-21 Kirill Yukhin <kirill.yukhin@intel.com>
138 * config/i386/sse.md: (define_insn "*vec_dup<mode>"/AVX2):
139 Block third alternative for AVX-512VL target,
141 2016-03-21 Martin Liska <mliska@suse.cz>
144 * hsa-brig.c (emit_function_directives): Mark unemitted
145 global variables for emission.
146 * hsa-gen.c (hsa_symbol::hsa_symbol): Initialize a new flag.
147 (get_symbol_for_decl): Likewise.
148 * hsa.h (struct hsa_symbol): New flag.
150 2016-03-21 Richard Biener <rguenther@suse.de>
152 PR tree-optimization/70288
153 * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Make sure
154 we do not estimate unsimplified all-constant conditionals or
155 switches as optimized away.
157 2016-03-21 Andrey Belevantsev <abel@ispras.ru>
159 PR rtl-optimization/69102
160 * sched-deps.c (sched_analyze_insn): Do not set last_args_size field
161 when we have a readonly dependency context.
163 2016-03-18 Jeff Law <law@redhat.com>
165 PR rtl-optimization/70263
166 * ira.c (memref_used_between_p): Assert we found END in the insn chain.
167 (update_equiv_regs): When trying to move a store to after the insn
168 that sets the source of the store, make sure the store occurs after
169 the insn that sets the source of the store. When successful note
170 the REG_EQUIV note created in the dump file.
172 2016-03-16 David Wohlferd <dw@LimeGreenSocks.com>
173 Bernd Schmidt <bschmidt@redhat.com>
175 * doc/extend.texi: Document more potential problems with basic asms.
177 2016-03-18 Bernd Schmidt <bschmidt@redhat.com>
179 PR rtl-optimization/70278
180 * lra-constraints.c (split_reg): Handle the case where biggest_mode is
183 2016-03-18 Jason Merrill <jason@redhat.com>
185 * calls.c (load_register_parameters): Fix zero size sibcall logic.
187 2016-03-18 Kirill Yukhin <kirill.yukhin@intel.com>
189 * config/i386/sse.md: Use vpbroadcastq for broadcasting DF
192 2016-03-18 Ilya Enkovich <enkovich.gnu@gmail.com>
194 PR tree-optimization/70252
195 * tree-vect-stmts.c (supportable_widening_operation): Check resulting
196 boolean vector has a proper number of elements.
197 (supportable_narrowing_operation): Likewise.
199 2016-03-18 Tom de Vries <tom@codesourcery.com>
202 * cgraph.c (cgraph_node::get_body): Set dump_file to NULL after save.
204 2016-03-18 Jakub Jelinek <jakub@redhat.com>
206 * reload1.c (emit_input_reload_insns): Use simplify_replace_rtx
207 instead of replace_rtx for DEBUG_INSNs.
209 2016-03-18 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
211 * config/i386/znver1.md : Fix latencies of FP/SSE/AVX
212 load type reservations.
214 2016-03-17 John David Anglin <danglin@gcc.gnu.org>
217 * config/pa/constraints.md: Revert 2015-02-13 change. Use
218 define_constraint for "Q" and "T" constraints.
220 2016-03-17 Evandro Menezes <e.menezes@samsung.com>
222 Tweak the pipeline model for Exynos M1
224 * config/aarch64/aarch64.c (exynosm1_tunings): Enable weak prefetching
227 2016-03-17 David Malcolm <dmalcolm@redhat.com>
230 * diagnostic-show-locus.c (compatible_locations_p): Handle the case
231 where one or both locations aren't within a line_map.
233 2016-03-17 H.J. Lu <hongjiu.lu@intel.com>
236 * opts.c (finish_options): Don't set flag_pie to the default if
237 -fpic, -fPIC, -fno-pic or -fno-PIC is used. Set flag_pic to 0
240 2016-03-17 Joern Rennecke <joern.rennecke@embecosm.com>
242 * config/i386/i386.md (*movv4qicc_insn+1..36): Pass
243 true as ALL_REGS argument to replace_rtx.
245 2016-03-17 Richard Biener <rguenther@suse.de>
248 * dwarf2out.c (dwarf2out_early_finish): Process deferred_asm_name
251 2016-03-17 Jakub Jelinek <jakub@redhat.com>
254 * rtl.h (replace_rtx): Add ALL_REGS argument.
255 * rtlanal.c (replace_rtx): Likewise. If true, use REGNO
256 equality and assert mode is the same, instead of just rtx pointer
258 * config/i386/i386.md (mov + arithmetics with load peephole): Pass
259 true as ALL_REGS argument to replace_rtx.
261 2016-03-17 Ilya Enkovich <enkovich.gnu@gmail.com>
263 * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Apply
264 for boolean vector with vector mode only.
265 (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
267 2016-03-17 Nick Clifton <nickc@redhat.com>
270 * config/rx/rx.c (rx_print_integer): Print negative constants in
273 2016-03-17 Jakub Jelinek <jakub@redhat.com>
276 * rtlanal.c (replace_rtx): Revert 2016-03-16 change.
278 2016-03-16 Richard Henderson <rth@redhat.com>
279 Richard Biener <rguenth@suse.de>
284 * gimplify.c (gimplify_expr) [VEC_COND_EXPR]: Gimplify the
285 first operand as is_gimple_condexpr.
290 2015-12-11 Eric Botcazou <ebotcazou@adacore.com>
291 * tree-vect-generic.c (tree_vec_extract): Remove GSI parameter.
292 Do not gimplify the result.
293 (do_unop): Adjust call to tree_vec_extract.
294 (do_binop): Likewise.
295 (do_compare): Likewise.
296 (do_plus_minus): Likewise.
297 (do_negate): Likewise.
298 (expand_vector_condition): Likewise.
301 2016-03-16 Richard Henderson <rth@redhat.com>
304 * config/aarch64/aarch64.c (virt_or_elim_regno_p): New.
305 (aarch64_classify_address): Use it.
306 (aarch64_legitimize_address): Force all subexpressions of PLUS
307 into registers. Simplify as (sfp+const)+reg or (reg+reg)+const.
309 2016-03-16 Jakub Jelinek <jakub@redhat.com>
310 Richard Biener <rguenth@suse.de>
313 * rtlanal.c (replace_rtx): For REG, if from is a REG,
314 return to even if only REGNO is equal, and assert
317 2016-03-11 Jeff Law <law@redhat.com>
319 PR rtl-optimization/70224
320 * reorg.c (relax_delay_slots): Pass right argument to CROSSING_JUMP_P.
322 2016-03-16 Richard Henderson <rth@redhat.com>
325 * function.h (struct function): Add has_forced_label_in_static.
326 * gimplify.c (force_labels_r): Set it.
327 * lto-streamer-in.c (input_struct_function_base): Read it.
328 * lto-streamer-out.c (output_struct_function_base): Write it.
329 * tree-inline.c (has_label_address_in_static_1): Remove.
330 (copy_forbidden): Remove fndecl parameter; test
331 has_forced_label_in_static.
332 (inline_forbidden_p): Update call to copy_forbidden.
333 (tree_versionable_function_p): Likewise.
334 * ipa-chkp.c (chkp_instrumentable_p): Likewise.
335 (chkp_versioning): Likewise.
336 * tree-inline.h (copy_forbidden): Update decl.
338 2016-03-16 Marek Polacek <polacek@redhat.com>
341 * cgraphunit.c (cgraph_node::expand_thunk): Also build call to the
342 function being thunked if the result type doesn't have fixed size.
343 * gimplify.c (gimplify_modify_expr): Also set LHS if the result type
344 doesn't have fixed size.
346 2016-03-16 Bin Cheng <bin.cheng@arm.com>
348 * tree-vect-loop.c (vect_analyze_loop_2): Fix wrong dump info by
349 reporting malformed loop nest.
351 2016-03-16 Tom de Vries <tom@codesourcery.com>
354 * ipa-devirt.c (possible_polymorphic_call_targets): Move
355 nodes.length () == 1 test to before first nodes[0] access.
357 2016-03-16 Tom de Vries <tom@codesourcery.com>
359 PR tree-optimization/68715
360 * graphite-scop-detection.c (scop_detection::merge_sese): Add missing
363 2016-03-16 Tom de Vries <tom@codesourcery.com>
365 PR tree-optimization/68809
366 * graphite-scop-detection.c (same_close_phi_node): Test if result types
369 2016-03-16 Carlos O'Donell <carlos@redhat.com>
370 Sandra Loosemore <sandra@codesourcery.com>
372 * doc/extend.texi (Common Function Attributes): Describe ifunc impact
373 on leaf attribute. Mention ELF interposition problems.
375 2016-03-16 Alan Modra <amodra@gmail.com>
377 PR rtl-optimization/69195
378 PR rtl-optimization/47992
379 * ira.c (indirect_jump_optimize): Ignore artificial defs.
382 2016-03-15 Eric Botcazou <ebotcazou@adacore.com>
385 * dwarf2out.c (flush_limbo_die_list): Really flush the limbo list.
387 2016-03-15 Senthil Kumar Selvaraj <senthil_kumar.selvaraj@atmel.com>
389 * config/avr/avr.md (rotl<mode>3): Set mode for operand 2.
391 2016-03-15 Jakub Jelinek <jakub@redhat.com>
393 PR rtl-optimization/70222
394 * combine.c (simplify_shift_const_1): For A >> B >> C LSHIFTRT
395 optimization if mode is different from result_mode, queue up masking
396 of the result in outer_op. Formatting fix.
399 * tree-ssa-sccvn.c (VN_INFO_GET): Use safe_grow_cleared instead
402 2016-03-15 Andrey Belevantsev <abel@ispras.ru>
404 PR rtl-optimization/69032
405 * sel-sched-ir.c (get_seqno_by_preds): Include both insn and head when
406 looping backwards over basic block insns.
408 2016-03-15 Andrey Belevantsev <abel@ispras.ru>
411 * sel-sched-ir.c (merge_expr): Avoid changing the speculative pattern
412 to non-speculative when propagating trap bits.
414 2016-03-15 Andrey Belevantsev <abel@ispras.ru>
416 PR rtl-optimization/63384
417 * sel-sched.c (invoke_aftermath_hooks): Do not decrease issue_more on
420 2016-03-15 Andrey Belevantsev <abel@ispras.ru>
423 * sched-deps.c (get_implicit_reg_pending_clobbers): New function,
424 factored out from ...
425 (sched_analyze_insn): ... here.
426 * sched-int.h (get_implicit_reg_pending_clobbers): Declare it.
427 * sel-sched-ir.c (setup_id_implicit_regs): New function, use
428 get_implicit_reg_pending_clobbers in it.
429 (setup_id_reg_sets): Use setup_id_implicit_regs.
430 (deps_init_id): Ditto.
432 2016-03-15 Tom de Vries <tom@codesourcery.com>
435 * cgraph.c (cgraph_node::get_body): Save, reset and restore
437 * passes.c (execute_one_ipa_transform_pass): Add missing argument to
438 execute_function_dump.
439 (execute_one_pass): Don't dump function if it will be dumped after ipa
442 2016-03-15 Segher Boessenkool <segher@kernel.crashing.org>
444 * genrecog.c (match_pattern_2): If pred is NULL don't call
445 safe_predicate_mode on it.
447 2016-03-14 Jakub Jelinek <jakub@redhat.com>
450 * lra-constraints.c (delete_move_and_clobber): Change assertion
451 to also allow dregno == 0.
453 2016-03-14 Richard Henderson <rth@redhat.com>
456 * tree-ssa-reassoc.c (ovce_extract_ops, optimize_vec_cond_expr): New.
457 (can_reassociate_p): Allow ANY_INTEGRAL_TYPE_P.
458 (reassociate_bb): Use optimize_vec_cond_expr; avoid
459 optimize_range_tests, attempt_builtin_copysign and attempt_builtin_powi
462 2016-03-14 Bernd Schmidt <bschmidt@redhat.com>
465 * lra-lives.c (process_bb_lives): Also update biggest mode for hard
467 (lra_create_live_ranges_1): initialize hard register biggest_mode to
469 * lra-constraints.c (split_reg): For hard regs, try to find the
470 biggest single-register mode used in the function.
472 2016-03-14 Richard Biener <rguenther@suse.de>
474 PR tree-optimization/56365
475 * tree-ssa-phiopt.c (minmax_replacement): Handle alternate
476 constants to compare against.
478 2016-03-14 Segher Boessenkool <segher@kernel.crashing.org>
481 * config/rs6000/rs6000.md (*ctr<mode>_internal1, *ctr<mode>_internal2,
482 *ctr<mode>_internal5, *ctr<mode>_internal6): Also allow "d" as output.
483 (define_split for the GPR case): Use int_reg_operand instead of
484 gpc_reg_operand for the output.
486 2016-03-14 Tom de Vries <tom@codesourcery.com>
488 PR tree-optimization/70045
489 * graphite-isl-ast-to-gimple.c (graphite_create_new_loop_guard): Unshare
490 create_empty_if_region_on_edge argument.
492 2016-03-13 Eric Botcazou <ebotcazou@adacore.com>
494 * config/arm/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Define.
495 (STACK_CHECK_PROTECT): Likewise.
496 * config/i386/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise
497 (STACK_CHECK_PROTECT): Likewise.
498 * config/rs6000/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise
499 (STACK_CHECK_PROTECT): Likewise.
500 * config/rs6000/vxworksae.h (STACK_CHECK_PROTECT): Likewise.
501 * config/sparc/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise.
502 (STACK_CHECK_PROTECT): Likewise.
504 2016-03-12 Andrey Belevantsev <abel@ispras.ru>
506 PR rtl-optimization/69307
507 * sel-sched.c (choose_best_pseudo_reg): Properly check for hard
508 registers in modes that span more than one register.
510 2016-03-12 Vladimir Makarov <vmakarov@redhat.com>
513 * lra-constraints.c (delete_move_and_clobber): New.
514 (remove_inheritance_pseudos): Use it.
516 2016-03-12 Eric Botcazou <ebotcazou@adacore.com>
519 * calls.c (emit_library_call_value_1): Clear the ECF_NOTHROW flag if
520 the libcall is LCT_THROW.
521 * explow.c (probe_stack_range): Pass LCT_THROW to emit_library_call
522 for the checking routine.
524 2016-03-11 Michael Meissner <meissner@linux.vnet.ibm.com>
527 * config/rs6000/rs6000.md (round32<mode>2_fprs): Do not do the
528 optimization if we have direct move.
529 (roundu32<mode>2_fprs): Likewise.
531 2016-03-11 Bernd Schmidt <bschmidt@redhat.com>
534 * lra-remat.c (operand_to_remat): Disallow hard regs in the value t
536 (reg_overlap_for_remat_p): Renamed from input_regno_present_p.
537 Arguments swapped. All callers changed. Take reg_renumber into
538 account, and Calculate and compare register ranges for hard regs.
540 2016-03-11 Jeff Law <law@redhat.com>
542 PR tree-optimization/70190
543 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
544 Handle cases where we can not extract the taken edge, even though we
545 found a constant value.
547 PR tree-optimization/64058
548 * tree-ssa-coalesce.c (struct coalesce_pair): Add new field INDEX.
549 (num_coalesce_pairs): Move up earlier in file.
550 (find_coalesce_pair): Initialize the INDEX field for each pair
552 (compare_pairs): No longer sort on the elements in each pair.
553 Instead break ties with the index of the coalesce pair.
555 2016-03-11 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
558 * config/aarch64/aarch64-protos.h
559 (aarch64_save_restore_target_globals): New prototype.
560 * config/aarch64/aarch64-c.c (aarch64_pragma_target_parse):
561 Call the above when popping pragma.
562 * config/aarch64/aarch64.c (aarch64_save_restore_target_globals):
564 (aarch64_set_current_function): Rewrite using the above.
566 2016-03-11 Jakub Jelinek <jakub@redhat.com>
568 PR tree-optimization/70177
569 * gimple-expr.h (extract_ops_from_tree_1): Renamed to ...
570 (extract_ops_from_tree): ... this. In the 2 argument
571 overload remove _1 suffix.
572 * gimple-expr.c (extract_ops_from_tree_1): Renamed to ...
573 (extract_ops_from_tree): ... this.
574 * gimple.c (gimple_build_assign, gimple_assign_set_rhs_from_tree):
576 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Likewise.
577 * tree-ssa-forwprop.c (defcodefor_name): Call 3 operand
578 extract_ops_from_tree instead of 2 operand one.
580 2016-03-11 Alan Lawrence <alan.lawrence@arm.com>
582 PR tree-optimization/70013
583 * tree-sra.c (analyze_access_subtree): Also set grp_unscalarized_data
584 for constant-pool entries.
586 2016-03-11 Jakub Jelinek <jakub@redhat.com>
588 PR rtl-optimization/70174
589 * expmed.c (store_bit_field_using_insv): Use gen_lowpart_if_possible
590 followed by gen_lowpart on force_reg instead of just gen_lowpart.
592 PR tree-optimization/70169
593 * tree-ssa-loop.c (gen_lsm_tmp_name): Handle FUNCTION_DECL and
594 LABEL_DECL like VAR_DECL. Emit nothing instead of gcc_unreachable
597 2016-03-11 Ilya Enkovich <enkovich.gnu@gmail.com>
598 Jakub Jelinek <jakub@redhat.com>
601 * config/i386/i386.c (scalar_chain::convert_reg): Skip uses
602 of uninitialized values.
604 2016-03-11 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
606 * config/s390/s390.md ("trunctddd2"): Turn former define_insn into
608 ("*trunctddd2"): New pattern definition.
609 ("trunctdsd2"): Set prep_for_short_prec rounding mode for the
612 2016-03-11 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
614 * config/s390/s390.md (BFP_RND_*, DFP_RND_*): Add new constant
615 definitions for BFP and DFP rounding modes.
616 ("fixuns_truncdddi2", "fixuns_trunctddi2")
617 ("fixuns_trunc<BFP:mode><GPR:mode>2", "fixuns_trunc<mode>si2")
618 ("fix_trunc<DSF:mode><GPR:mode>2", "fix_trunc<mode>di2")
619 ("fix_trunctf<mode>2"): Use the new constants instead of magic
622 2016-03-11 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
624 * config/s390/constraints.md: Adjust comment.
625 ("Y"): Adjust comment. Rename s390_decompose_shift_count to
626 s390_decompose_addrstyle_without_index.
627 * config/s390/predicates.md (shift_count_or_setmem_operand):
628 Rename to setmem_operand.
629 * config/s390/s390-protos.h
630 (s390_decompose_shift_count): Rename to
631 s390_decompose_addrstyle_without_index.
632 * config/s390/s390.c (s390_decompose_shift_count)
633 (s390_mem_constraint, print_shift_count_operand)
634 (print_operand_address, print_operand): Rename
635 s390_decompose_shift_count to
636 s390_decompose_addrstyle_without_index and rename
637 print_shift_count_operand to print_addrstyle_operand troughout the
639 * config/s390/s390.md ("setmem_long_<P:mode>", "*setmem_long")
640 ("*setmem_long_and", "*setmem_long_31z", "*setmem_long_and_31z"):
641 Rename shift_count_or_setmem_operand to setmem_operand.
642 * config/s390/vx-builtins.md ("vec_insert<mode>")
643 ("vec_promote<mode>"): Replace shift_count_or_setmem_operand with
646 2016-03-10 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
649 * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap):
650 Handle overlapping retval and newval.
652 2016-03-10 Nick Clifton <nickc@redhat.com>
655 * config/aarch64/aarch64.c
656 (aarch64_override_options_after_change_1): When forcing
657 flag_omit_frame_pointer to be true, use a special value that can
658 be detected if this function is called again, thus preventing
659 flag_omit_leaf_frame_pointer from being forced to be false.
661 2016-03-10 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
663 * common/config/aarch64/aarch64-common.c (aarch64_handle_option):
664 Set x_flag_omit_leaf_frame_pointer when handling
665 -momit-leaf-frame-pointer.
667 2016-03-10 Jan Hubicka <hubicka@ucw.cz>
670 * cgraph.c (cgraph_node::dump): Dump split_part and
671 indirect_call_target.
672 * cgraph.h (cgraph_node): Add indirect_call_target flag.
673 * ipa.c (has_addr_references_p): Cleanup.
674 (is_indirect_call_target_p): New.
675 (walk_polymorphic_call_targets): Do not mark virtuals that may be
676 called indirectly as local.
677 (symbol_table::remove_unreachable_nodes): Compute indirect_call_target.
679 2016-03-10 Jan Hubicka <hubicka@ucw.cz>
682 * ipa-devirt.c (possible_polymorphic_call_targets): Do not ICE
685 2016-03-10 Jan Hubicka <hubicka@ucw.cz>
688 * tree.c (free_lang_data_in_decl): Clear visibility of TYPE_DECL.
690 2016-03-10 Jan Hubicka <hubicka@ucw.cz>
693 * tree.c (need_assembler_name_p): Only record main variant type names.
695 2016-03-10 Christophe Lyon <christophe.lyon@linaro.org>
698 * config/aarch64/aarch64.h (TARGET_FIX_ERR_A53_843419_DEFAULT):
699 Always define to 0 or 1.
700 (TARGET_FIX_ERR_A53_843419): New macro.
701 * config/aarch64/aarch64-elf-raw.h
702 (TARGET_FIX_ERR_A53_843419_DEFAULT): Update for above changes.
703 * config/aarch64/aarch64-linux.h: Likewise.
704 * config/aarch64/aarch64.c
705 (aarch64_override_options_after_change_1): Do not default
706 aarch64_nopcrelative_literal_loads to true if Cortex-A53 erratum
708 (aarch64_attributes): Handle fix-cortex-a53-843419.
709 (aarch64_can_inline_p): Likewise.
710 * config/aarch64/aarch64.opt (aarch64_fix_a53_err843419): Save.
712 2016-03-10 Alan Lawrence <alan.lawrence@arm.com>
713 Jakub Jelinek <jakub@redhat.com>
715 * common.opt (funconstrained-commons, flag_unconstrained_commons): New.
716 * tree.c (array_at_struct_end_p): Do not limit to size of decl for
717 DECL_COMMONS if flag_unconstrained_commons is set.
718 * tree-dfa.c (get_ref_base_and_extent): Likewise.
719 * doc/invoke.texi (Optimize Options): Add -funconstrained-commons.
720 (funconstrained-commons): Document.
722 2016-03-10 Christophe Lyon <christophe.lyon@linaro.org>
724 * config/aarch64/t-aarch64 (OPTIONS_H_EXTRA): Add
725 aarch64-fusion-pairs.def and aarch64-tuning-flags.def
727 2016-03-10 Ilya Enkovich <enkovich.gnu@gmail.com>
729 * tree-vect-stmts.c (vectorizable_mask_load_store): Check mask
730 has a proper number of elements.
732 2016-03-10 Alan Modra <amodra@gmail.com>
734 PR rtl-optimization/69195
735 PR rtl-optimization/47992
736 * ira.c (recorded_label_ref): Delete.
737 (update_equiv_regs): Return void.
738 (indirect_jump_optimize): New function.
739 (ira): Call indirect_jump_optimize and delete_trivially_dead_insns
740 before regstat_compute_ri. Don't rebuild_jump_labels here.
741 Delete update_regstat.
743 2016-03-10 Richard Biener <rguenther@suse.de>
745 PR tree-optimization/70128
746 * tree-ssa-structalias.c (set_uids_in_ptset): Set
747 vars_contains_nonlocal for any FUNCTION_DECL or LABEL_DECL.
749 2016-03-09 Jakub Jelinek <jakub@redhat.com>
751 PR tree-optimization/70152
752 * tree-sra.c (replace_removed_params_ssa_names): Copy over
753 SSA_NAME_OCCURS_IN_ABNORMAL_PHI from old_name to new_name.
756 * config/i386/i386.md (truncdfsf2 splitter): Use gen_vec_concatv2df
757 instead of gen_sse2_loadlpd.
758 * config/i386/sse.md (*vec_concatv2df): Rename to...
759 (vec_concatv2df): ... this.
761 PR tree-optimization/70127
762 * fold-const.c (operand_equal_p): Revert the 2015-10-28 change.
764 2016-03-09 David Malcolm <dmalcolm@redhat.com>
768 * diagnostic-show-locus.c (compatible_locations_p): New function.
769 (layout::layout): Sanitize ranges using compatible_locations_p.
771 2016-03-09 David Malcolm <dmalcolm@redhat.com>
775 * diagnostic-show-locus.c (layout_range::layout_range): Replace
776 location_range param with three const expanded_locations * and a
778 (layout::layout): Replace call to
779 rich_location::lazily_expand_location with get_expanded_location.
780 Extract the range and perform location expansion here, passing
781 the results to the layout_range ctor.
782 * diagnostic.c (source_range::debug): Delete.
783 * diagnostic.h (diagnostic_expand_location): Reimplement in terms
784 of rich_location::get_expanded_location.
785 * gcc-rich-location.c (get_range_for_expr): Delete.
786 (gcc_rich_location::add_expr): Reimplement to avoid the
787 rich_location::add_range overload that took a location_range,
788 passing a location_t instead.
790 2016-03-09 Richard Biener <rguenther@suse.de>
791 Jakub Jelinek <jakub@redhat.com>
793 PR tree-optimization/70138
794 * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
795 Also skip vect_double_reduction_def.
797 2016-03-09 Jakub Jelinek <jakub@redhat.com>
800 * config/i386/sse.md (*vec_extract<mode>): Use %0 instead of %k0
801 if the operand is "m".
803 2016-03-09 Nathan Sidwell <nathan@acm.org>
805 * config/nvptx/nvptx.c (nvptx_option_override): Don't kill debug level.
807 2016-03-09 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
809 * config/i386/i386.c (processor_target_table): Fix cost table
810 intialization order for znver1.
812 2016-03-08 Jakub Jelinek <jakub@redhat.com>
814 * ipa-polymorphic-call.c (walk_ssa_copies): Fix spelling
815 - becuase -> because.
816 * ipa-reference.c (ignore_module_statics): Likewise.
817 * cgraph.c (cgraph_node::get_body): Likewise.
818 * ipa-inline.c (early_inliner): Likewise.
819 * ipa-devirt.c (types_same_for_odr): Likewise.
820 * tree-streamer-out.c (pack_ts_type_common_value_fields): Likewise.
821 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Likewise.
823 2016-03-08 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
825 * tree-ssa-math-opts.c: Fix typo in comment.
827 2016-03-08 Jakub Jelinek <jakub@redhat.com>
830 * config/i386/i386.c (scalar_chain::make_vector_copies,
831 scalar_chain::convert_reg): Call end_sequence in between
832 get_insns and emit_conversion_insns rather than after both
835 2016-03-07 Uros Bizjak <ubizjak@gmail.com>
838 * config/i386/i386.h (machine_function): Add
839 pc_thunk_call_expanded flag.
840 (ix86_pc_thunk_call_expanded): New define.
841 * config/i386/i386.md (set_got, set_got_labelled): New expanders.
842 (*set_got): Rename insn pattern from set_got.
843 (*set_got_labelled): Rename inst pattern from set_got_labelled.
844 * config/i386/i386.c (ix86_compute_frame_layout): Use
845 ix86_pc_thunk_call_expanded to prevent red-zone.
847 2016-03-07 Martin Jambor <mjambor@suse.cz>
849 * hsa.h (hsa_get_ctor_statements): Declare.
850 (hsa_get_dtor_statements): Likewise.
851 (hsa_get_kernel_dispatch_type): Likewise.
852 * hsa.c (hsa_get_ctor_statements): New function.
853 (hsa_get_dtor_statements): Likewise.
854 (hsa_get_kernel_dispatch_type): Likewise.
855 * hsa-brig.c (hsa_cdtor_statements): Removed.
856 (hsa_output_libgomp_mapping): Use hsa_get_ctor_statements and
857 hsa_get_dtor_statements.
858 * hsa-gen.c (hsa_kernel_dispatch_type): Removed.
859 (get_hsa_kernel_dispatch_offset): Use hsa_get_kernel_dispatch_type.
861 2016-03-07 Andre Vieira <andre.simoesdiasvieira@arm.com>
863 * config/arm/arm-cores.def (cortex-r8): New.
864 * config/arm/arm-tables.opt (cortex-r8): Regenerate.
865 * config/arm/arm-tune.md: Likewise.
866 * gcc/doc/invoke.texi: Add cortex-r8 to list of cpu values.
868 2016-03-07 Martin Sebor <msebor@redhat.com>
870 PR rtl-optimization/19705
871 * doc/invoke.texi (Options That Control Optimization): Clarify
872 -fno-branch-count-reg.
874 2016-02-26 Richard Biener <rguenther@suse.de>
875 Jeff Law <law@redhat.com>
877 PR tree-optimization/69740
878 * cfghooks.c (remove_edge): Request loop fixups if we delete
879 an edge that might turn an irreducible loop into a natural
881 * cfgloop.h (check_verify_loop_structure): Clear LOOPS_NEED_FIXUP.
882 Move after definition of loops_state_clear.
884 2016-03-07 Bin Cheng <bin.cheng@arm.com>
886 PR rtl-optimization/69052
887 * rtlanal.c (commutative_operand_precedence): Set higher precedence
890 2016-03-07 Tom de Vries <tom@codesourcery.com>
892 PR tree-optimization/70116
893 * tree-ssa-tail-merge.c (merge_stmts_p): New function, handling
894 is_tm_ending stmts and ubsan/asan internal functions.
895 (find_duplicate): Use it. Don't test is_tm_ending here.
897 2016-03-07 Richard Biener <rguenther@suse.de>
899 PR tree-optimization/70115
900 * tree-ssa-loop-ivcanon.c (propagate_into_all_uses): Remove.
901 (propagate_constants_for_unrolling): Use replace_uses_by.
903 2016-03-07 Nathan Sidwell <nathan@codesourcery.com>
906 * omp-low.c (struct oacc_loop): Add ifns.
907 (new_oacc_loop_raw): Initialize it.
908 (finish_oacc_loop): Clear mask & flags if no ifns.
909 (oacc_loop_discover_walk): Count IFN_GOACC_LOOP calls.
910 (oacc_loop_xform_loop): Add ifns arg & adjust.
911 (oacc_loop_process): Adjust oacc_loop_xform_loop call.
913 2016-03-07 Richard Henderson <rth@redhat.com>
916 * tree-outofssa.c (emit_partition_copy): Flush pending stack adjust.
917 (insert_value_copy_on_edge): Likewise.
919 2016-03-07 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
921 * config/arm/arm_neon.h: Show error if using with soft-float ABI.
923 2016-03-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
926 * config/i386/sol2.h (STACK_REALIGN_DEFAULT): Define.
928 2016-03-05 Venkataramanan Kumar <Venkataramanan.kumar@amd.com>
930 * config/i386/i386.c (znver1_cost): Fix Multiply cost.
932 2016-03-05 Venkataramanan Kumar <Venkataramanan.kumar@amd.com>
934 Fix sseimul type attribute.
935 * config/i386/znver1.md
936 (znver1_sseimul, znver1_sseimul_avx256, znver1_sseimul_load,
937 znver1_sseimul_avx256_load) : Fix the type attribute.
938 (znver1_sseimul_di, znver1_sseimul_load_di): Fix type attribute,
939 pipe usage and latency.
941 2016-03-05 Jakub Jelinek <jakub@redhat.com>
944 * tree-inline.c (copy_tree_body_r): When cancelling ADDR_EXPR
945 of INDIRECT_REF and ADDR_EXPR changed type, fold_convert it
948 2016-03-04 Bernd Schmidt <bschmidt@redhat.com>
951 * targhooks.c (default_vector_alignment): Limit to MAX_OFILE_ALIGNMENT.
953 PR rtl-optimization/69941
954 * postreload.c (reload_combine_recognize_pattern): Ensure all uses of
955 the reg share its mode.
957 2016-03-04 Jeff Law <law@redhat.com>
959 PR tree-optimization/69196
960 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
961 If the both SSA_NAMEs are anonymous, then consider them unassociated
962 and include the PHI in the statement count.
964 2016-03-05 Tom de Vries <tom@codesourcery.com>
966 * omp-low.c (check_omp_nesting_restrictions): Check for non-oacc
967 construct in oacc routine. Check for oacc region in oacc routine.
969 2016-03-04 Jakub Jelinek <jakub@redhat.com>
972 * config/i386/i386.c (decide_alg): Add RECUR argument. Revert
973 2016-02-22 changes, instead don't recurse if RECUR is already true.
974 Don't change *dynamic_check if RECUR. Adjust recursive caller
975 to pass true to the new argument.
976 (ix86_expand_set_or_movmem): Adjust decide_alg caller.
979 * config/i386/sse.md (vec_set_lo_<mode><mask_name>,
980 <extract_type_2>_vinsert<shuffletype><extract_suf_2>_mask): Formatting
982 (vec_set_hi_<mode><mask_name>): Likewise. Swap VEC_CONCAT operands.
984 2016-03-04 Bernd Schmidt <bschmidt@redhat.com>
986 PR rtl-optimization/57676
987 * lra-assigns.c (lra_assign): Guard test for maximum iterations
990 2016-03-04 Ilya Enkovich <enkovich.gnu@gmail.com>
992 * tree-vect-patterns.c (search_type_for_mask): Handle
993 comparison of booleans.
995 2016-03-04 Jakub Jelinek <jakub@redhat.com>
997 * doc/extend.texi (__builtin_alloca, __builtin_alloca_with_align):
1001 * dwarf2out.c (prune_unused_types_walk_loc_descr): Handle
1002 all other ops that have dw_val_class_die_ref operands,
1003 and DW_OP_GNU_entry_value.
1005 2016-03-03 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1007 PR rtl-optimization/69904
1008 * config/arm/arm.c (arm_cannot_copy_insn_p):
1009 Return true for load-exclusive instructions.
1011 2016-03-03 Jakub Jelinek <jakub@redhat.com>
1014 * tree-vect-stmts.c (vect_mark_relevant): Remove USED_IN_PATTERN
1015 argument, if STMT_VINFO_IN_PATTERN_P (stmt_info), always mark
1016 the pattern no matter if it is used just by non-pattern, pattern
1018 (process_use, vect_mark_stmts_to_be_vectorized): Adjust callers.
1019 * tree-vect-patterns.c (vect_recog_vector_vector_shift_pattern): If
1020 oprnd1 def_stmt is in pattern, don't look through it.
1022 2016-03-03 Marek Polacek <polacek@redhat.com>
1025 * match.pd (X % -Y): Add INTEGRAL_TYPE_P check.
1027 2016-03-03 Martin Liska <mliska@suse.cz>
1029 PR tree-optimization/70043
1030 * tree-vect-loop.c (optimize_mask_stores): Move iterator to
1031 previous statement if we see a debug statement.
1033 2016-03-03 Richard Biener <rguenther@suse.de>
1035 PR tree-optimization/55936
1036 * tree-vrp.c (compare_name_with_value): Add use_equiv_p
1037 parameter and guard unsafe equivalence use.
1038 (vrp_evaluate_conditional_warnv_with_ops): Always use
1039 safe equivalences but not via the quadratic compare_names
1042 2016-03-03 Michael Collison <michael.collison@linaro.org>
1045 * config/arm/arm.md (*subsi3_carryin_const): Change predicate
1046 for operand 1 to s_register_operand. Change predicate for operand
1047 2 to arm_not_immediate_operand.
1049 2016-03-02 H.J. Lu <hongjiu.lu@intel.com>
1051 * doc/tm.texi: Regenerated.
1053 2016-03-02 Richard Henderson <rth@redhat.com>
1056 * simplify-rtx.c (simplify_plus_minus): Allow reassoc without
1057 simplification when all args are positive non-fixed registers.
1059 2016-03-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1061 * target.def (lra_p): Specify that new ports should use LRA.
1063 2016-03-02 Jakub Jelinek <jakub@redhat.com>
1066 * gimplify.c (gimplify_decl_expr): For decls with REFERENCE_TYPE, also
1067 gimplify_type_sizes the type they refer to.
1068 (omp_notice_variable): Handle reference vars to VLAs.
1069 * omp-low.c (lower_omp_target): Emit setup of OMP_CLAUSE_PRIVATE
1070 reference to VLA decls in the second pass instead of first pass.
1072 2016-03-02 Tom de Vries <tom@codesourcery.com>
1074 PR tree-optimization/68659
1075 * graphite-isl-ast-to-gimple.c (collect_all_ssa_names): Handle
1076 new_expr == NULL_TREE.
1077 (get_new_name): Handle ADDR_EXPR.
1079 2016-03-02 Bin Cheng <bin.cheng@arm.com>
1081 PR rtl-optimization/69052
1082 * loop-invariant.c (canonicalize_address): New function.
1083 (inv_can_prop_to_addr_use): Check validity of address expression
1084 which is canonicalized by above function.
1086 2016-03-02 Alan Modra <amodra@gmail.com>
1089 * ipa-icf.c (sem_variable::merge): Do not merge an alias with
1092 2016-03-02 Jakub Jelinek <jakub@redhat.com>
1095 * config/i386/i386.md (kmovw): Move m constraint to 2nd alternative.
1096 (*movhi_internal): Put mask moves from and to memory separately
1097 from moves from/to GPRs.
1099 2016-03-02 Richard Biener <rguenther@suse.de>
1101 * genmatch.c (dt_node::gen_kids): Fix match code-gen for embedded
1102 GENERIC expressions in GIMPLE.
1104 2016-03-02 Richard Biener <rguenther@suse.de>
1106 * config/i386/i386.c (type_natural_mode): Fix typo.
1108 2016-03-02 Nick Clifton <nickc@redhat.com>
1110 * config.gcc (mep-*-elf): Add newlib-stdint.h to tm_file.
1112 2016-03-02 Richard Biener <rguenther@suse.de>
1113 Uros Bizjak <ubizjak@gmail.com>
1116 * config/i386/i386.c (type_natural_mode): Handle XFmode vectors.
1118 2016-03-02 Richard Biener <rguenther@suse.de>
1121 * tree-cfg.c (verify_expr): Adjust BIT_FIELD_REF case.
1123 2016-03-02 Marek Polacek <polacek@redhat.com>
1126 * gimplify.c (gimplify_va_arg_expr): Use expanded location for the
1127 "is promoted to" warning.
1129 2016-03-01 DJ Delorie <dj@redhat.com>
1131 * config.gcc: Deprecate mep-*.
1133 2016-03-01 Vladimir Makarov <vmakarov@redhat.com>
1136 * lra-constraints.c (regno_val_use_in): New.
1137 (match_reload): Use it instead of regno_use_in.
1139 2016-03-01 Eric Botcazou <ebotcazou@adacore.com>
1141 PR rtl-optimization/70007
1142 * gcse.c (compute_ld_motion_mems): Tidy up and also invalidate memory
1143 references present in REG_EQUAL notes attached to non-SET patterns.
1145 2016-03-01 Jeff Law <law@redhat.com>
1147 PR tree-optimization/69196
1148 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
1149 Appropriately clamp the number of statements to copy when the
1150 thread path does not traverse a loop backedge.
1152 PR tree-optimization/69196
1153 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
1154 Do count some PHIs in the thread path against the insn count. Decrease
1155 final statement count by one as the control statement in the last
1156 block will get removed. Remove special cased code for handling PHIs
1159 2016-03-01 Uros Bizjak <ubizjak@gmail.com>
1162 * config/i386/i386.c (ix86_output_call_insn): Add -masm=intel
1163 asm dialect alternatives to explicit GOTPCREL calls.
1165 2016-03-01 Eric Botcazou <ebotcazou@adacore.com>
1168 * ira.c (do_reload): Issue warning for generic stack checking here...
1169 * reload1.c (reload): ...instead of here and streamline it.
1171 2016-03-01 Nick Clifton <nickc@redhat.com>
1173 * config.gcc (cr16-*-elf): Add newlib-stdint.h to tm_file.
1175 2016-03-01 Richard Biener <rguenther@suse.de>
1177 PR tree-optimization/69983
1178 * tree-chrec.c (eq_evolutions_p): Handle conversions, compare
1179 types and fall back to operand_equal_p.
1181 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
1184 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
1186 * config/s390/constraints.md ("jm8"): New constraint.
1187 * config/s390/predicates.md ("const_int_8bitset_operand"): New
1189 * config/s390/s390.md ("*setmem_long", "*setmem_long_and"): Merge
1191 ("*setmem_long<setmem_and>"): New pattern.
1192 ("*setmem_long_31z", "*setmem_long_and_31z"): Merge
1194 ("*setmem_long_31z<setmem_and>"): New pattern.
1195 * config/s390/subst.md ("setmem_31z_subst", "setmem_and_subst"):
1196 New substitution rules with the required attributes.
1199 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
1202 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
1204 * gensupport.c (process_substs_on_one_elem): Split loop to
1205 complete mark_operands_used_in_match_dup on all expressions in the
1207 (adjust_operands_numbers): Inline into process_substs_on_one_elem
1208 and remove function.
1210 2016-03-01 Richard Biener <rguenther@suse.de>
1213 * fold-const.c (fold_indirect_ref_1): Fix range checking for
1214 vector BIT_FIELD_REF extract.
1216 2016-03-01 Richard Biener <rguenther@suse.de>
1218 PR tree-optimization/69994
1219 * tree-ssa-reassoc.c (ops_equal_values_p): Handle missing case.
1221 2016-03-01 Ilya Enkovich <enkovich.gnu@gmail.com>
1223 PR tree-optimization/69956
1224 * tree-vect-stmts.c (supportable_widening_operation): Support
1225 multi-step conversion of boolean vectors.
1226 (supportable_narrowing_operation): Likewise.
1228 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
1230 * config/s390/s390.c (s390_decompose_address): Don't accept SImode
1233 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
1235 * config/s390/subst.md (DSI_VI): New mode iterator.
1236 ("addr_style_op_subst"): Use DSI_VI instead of DSI.
1237 * config/s390/vector.md ("vec_set<mode>"): Move expander before
1238 the insn definition.
1239 ("*vec_set<mode>"): Change predicate and add alternative to
1240 support only either register or const_int operands as element
1242 ("*vec_set<mode>_plus"): New pattern to support reg + const_int
1244 ("vec_extract<mode>"): New expander.
1245 ("*vec_extract<mode>"): New insn definition supporting reg and
1246 const_int element selectors.
1247 ("*vec_extract<mode>_plus"): New insn definition supporting
1248 reg+const_int element selectors.
1249 ("rotl<mode>3", "ashl<mode>3", "ashr<mode>3"): Merge into the
1250 following expander+insn definition.
1251 ("<vec_shifts_name><mode>3"): New expander.
1252 ("*<vec_shifts_name><mode>3<addr_style_op>"): New insn definition.
1254 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
1256 * config/s390/s390.md ("*tabort_1"): Change predicate to
1257 nonmemory_operand. Add a second alternative to cover
1258 register as well as const int operands.
1259 ("*tabort_1_plus"): New pattern definition.
1261 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
1263 * config/s390/s390.md ("*ashrdi3_cc_31")
1264 ("*ashrdi3_cconly_31""*ashrdi3_cc_31_and")
1265 ("*ashrdi3_cconly_31_and", "*ashrdi3_31_and", "*ashrdi3_31"):
1266 Merge insn definitions into ...
1267 ("*ashrdi3_31<addr_style_op_cc><masked_op_cc><setcc><cconly>"):
1268 New pattern definition.
1269 ("*ashr<mode>3_cc", "*ashr<mode>3_cconly", "ashr<mode>3", )
1270 ("*ashr<mode>3_cc_and", "*ashr<mode>3_cconly_and")
1271 ("*ashr<mode>3_and"): Merge insn definitions into ...
1272 ("*ashr<mode>3<addr_style_op_cc><masked_op_cc><setcc><cconly>"):
1273 New pattern definition.
1274 * config/s390/subst.md ("addr_style_op_cc_subst")
1275 ("masked_op_cc_subst", "setcc_subst", "cconly_subst"): New
1276 substitutions patterns plus attributes.
1277 Add ashiftrt to SUBST iterator.
1279 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
1281 * config/s390/s390.md ("<shift><mode>3"): Change predicate of
1282 op2 to nonmemory_operand.
1283 ("*<shift>di3_31", "*<shift>di3_31_and"):
1284 Merge into single pattern definition ...
1285 ("*<shift>di3_31<addr_style_op><masked_op>"): New pattern.
1286 ("*<shift><mode>3", "*<shift><mode>3_and"): Merge into single
1287 pattern definition ...
1288 ("*<shift><mode>3<addr_style_op><masked_op>"): New pattern.
1289 * config/s390/subst.md: Add ashift and lshiftrt to SUBST
1292 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
1294 * config/s390/predicates.md (const_int_6bitset_operand): New
1296 * config/s390/s390.md: Include subst.md.
1297 ("rotl<mode>3"): New expander.
1298 ("rotl<mode>3", "*rotl<mode>3_and"): Merge insn definitions into
1300 ("*rotl<mode>3<addr_style_op><masked_op>"): New insn definition.
1301 * config/s390/subst.md: New file.
1303 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
1305 * config/s390/s390.md ("op_type", "atype", "length" attributes):
1306 Remove RRR type. It doesn't really exist.
1307 ("RRer", "f0", "v0", "vf", "vd", "op1", "Rf"): Remove mode
1309 ("BFP", "DFP", "nDSF", "nDFDI"): Add mode attributes.
1310 ("*cmp<mode>_ccs", "floatdi<mode>2", "add<mode>3")
1311 ("*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3")
1312 ("*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3")
1313 ("fma<mode>4", "fms<mode>4", "div<mode>3", "*neg<mode>2")
1314 ("*abs<mode>2", "*negabs<mode>2", "sqrt<mode>2"): Override
1315 `enabled' attribute.
1317 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
1319 * gensupport.c (process_substs_on_one_elem): Split loop to
1320 complete mark_operands_used_in_match_dup on all expressions in the
1322 (adjust_operands_numbers): Inline into process_substs_on_one_elem
1323 and remove function.
1325 2016-02-29 Eric Botcazou <ebotcazou@adacore.com>
1328 * config/sparc/sparc.c (NWORDS_UP): Rename to...
1329 (CEIL_NWORDS): ...this. Use CEIL macro.
1330 (compute_fp_layout): Adjust to above renaming.
1331 (function_arg_union_value): Likewise.
1332 (sparc_arg_partial_bytes): Likewise.
1333 (sparc_function_arg_advance): Likewise.
1335 2016-02-29 Jeff Law <law@redhat.com>
1337 PR tree-optimization/70005
1338 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Handle case
1339 where an object with a boolean range is compared against a value
1342 PR tree-optimization/69999
1343 * gimple-ssa-split-paths.c (split_paths): When duplicating a block
1344 with an outgoing edge marked with EDGE_IRREDUCIBLE_LOOP, schedule
1347 2016-02-29 Richard Biener <rguenther@suse.de>
1349 PR tree-optimization/69994
1350 * tree-ssa-reassoc.c (gimple_nop_conversion_p): New function.
1351 (get_unary_op): Look through nop conversions.
1352 (ops_equal_values_p): New function, look for equality diregarding
1354 (eliminate_plus_minus_pair): Use ops_equal_values_p
1355 (repropagate_negates): Do not use get_unary_op here.
1357 2016-02-29 Martin Liska <mliska@suse.cz>
1359 * system.h: Poison ENABLE_CHECKING macro.
1361 2016-02-29 Martin Liska <mliska@suse.cz>
1363 * hsa-gen.c (gen_body_from_gimple): Dump only if TDF_DETAILS
1364 is presented in dump flags.
1365 * hsa-regalloc.c (linear_scan_regalloc): Likewise.
1366 (hsa_regalloc): Likewise.
1368 2016-02-19 Richard Biener <rguenther@suse.de>
1370 PR tree-optimization/69980
1371 * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Update
1372 permutation of those we need to keep.
1374 2016-02-29 Eric Botcazou <ebotcazou@adacore.com>
1377 * config/sparc/sparc.c (ROUND_ADVANCE): Rename to...
1378 (NWORDS_UP): ...this
1379 (init_cumulative_args): Minor tweaks.
1380 (sparc_promote_function_mode): Likewise.
1381 (scan_record_type): Delete.
1382 (traverse_record_type): New function template.
1383 (classify_data_t): New structure type.
1384 (classify_registers): New inline function.
1385 (function_arg_slotno): In 64-bit mode, bail out early if FP slots are
1386 exhausted. Instantiate traverse_record_type on classify_registers and
1387 deal with the case of a structure passed in slot #15 with no FP field
1389 (assign_data_t): New structure type.
1390 (compute_int_layout): New static function.
1391 (compute_fp_layout): Likewise.
1392 (count_registers): New inline function.
1393 (assign_int_registers): New static function.
1394 (assign_fp_registers): Likewise.
1395 (assign_registers): New inline function.
1396 (function_arg_record_value_1): Delete.
1397 (function_arg_record_value_2): Likewise.
1398 (function_arg_record_value_3): Likewise.
1399 (function_arg_record_value): Adjust to above changes. Instantiate
1400 traverse_record_type on count_registers to first count the number of
1401 registers to be used and then on assign_registers to assign them.
1402 (function_arg_union_value): Adjust to above renaming.
1403 (sparc_function_arg_1); Minor tweaks. Remove commented out code.
1404 (sparc_arg_partial_bytes): Adjust to above renaming. Deal with the
1405 case of a structure passed in slot #15
1406 (sparc_function_arg_advance): Likewise.
1407 (function_arg_padding): Minor tweak.
1409 2016-02-29 Richard Biener <rguenther@suse.de>
1411 PR tree-optimization/69720
1412 * tree-vect-loop.c (get_initial_def_for_reduction): Avoid
1413 the adjustment_def path for possibly vectorized defs.
1414 (vect_create_epilog_for_reduction): Handle vectorized initial
1417 2016-02-28 Eric Botcazou <ebotcazou@adacore.com>
1419 * config/i386/cygming.h (STACK_REALIGN_DEFAULT): Define.
1421 2016-02-27 Jeff Law <law@redhat.com>
1424 2016-02-26 Richard Biener <rguenther@suse.de>
1425 Jeff Law <law@redhat.com>
1427 PR tree-optimization/69740
1428 * cfghooks.c (remove_edge): Request loop fixups if we delete
1429 an edge that might turn an irreducible loop into a natural
1432 2016-02-27 Jakub Jelinek <jakub@redhat.com>
1434 PR rtl-optimization/69896
1435 * tree-vect-generic.c (get_compute_type): Avoid single element
1438 2016-02-26 Evandro Menezes <e.menezes@samsung.com>
1440 Rename the AArch64 tuning option and related functions to enable the
1441 Newton series for the reciprocal square root to reflect its
1442 approximative characteristic.
1444 * config/aarch64/aarch64-protos.h (aarch64_emit_swrsqrt): Rename
1445 function to "aarch64_emit_approx_rsqrt".
1446 * config/aarch64/aarch64-tuning-flags.def: Rename tuning flag to
1447 AARCH64_EXTRA_TUNE_APPROX_RSQRT.
1448 * config/aarch64/aarch64.c (exynosm1_tunigs): Use new flag name.
1449 (xgene1_tunings): Likewise.
1450 (use_rsqrt_p): Likewise.
1451 (aarch64_emit_swrsqrt): Use new function name.
1452 * config/aarch64/aarch64-simd.md (aarch64_rsqrts_*): Likewise.
1453 * config/aarch64/aarch64.opt (mlow-precision-recip-sqrt): Reword the
1454 text explaining this option.
1455 * doc/invoke.texi (-mlow-precision-recip-sqrt): Likewise.
1457 2016-02-26 Jakub Jelinek <jakub@redhat.com>
1460 * config/rs6000/rs6000.c (rs6000_option_override_internal): Don't
1461 complain about -mallow-movmisalign without -mvsx if
1462 TARGET_ALLOW_MOVMISALIGN was not set explicitly.
1464 2016-02-26 Joel Sherrill <joel@rtems.org>
1466 * config.gcc: Add x86_64-*-rtems*.
1467 * gcc/config/i386/rtems-64.h: New file.
1469 2016-02-26 Joel Sherrill <joel@rtems.org>
1471 * config.gcc: Add aarch64-*-rtems*.
1472 * gcc/config/aarch64/rtems.h: New file.
1474 2016-02-26 Segher Boessenkool <segher@kernel.crashing.org>
1477 * config/rs6000/rs6000.c (rs6000_insn_for_shift_mask): Print rlwinm
1478 shift amount using %h. Add comment.
1480 2016-02-26 Richard Biener <rguenther@suse.de>
1481 Jeff Law <law@redhat.com>
1483 PR tree-optimization/69740
1484 * cfghooks.c (remove_edge): Request loop fixups if we delete
1485 an edge that might turn an irreducible loop into a natural
1488 2016-02-26 Martin Jambor <mjambor@suse.cz>
1491 * tree-sra.c (sra_modify_assign): Do not remove loads of
1492 uninitialized aggregates to SSA_NAMEs.
1494 2016-02-26 Richard Henderson <rth@redhat.com>
1497 * config/s390/s390.md (risbg and risbgn splitters): Allocate new
1498 pseudo in case the target rtx matches the source of the left
1501 2016-02-26 Martin Jambor <mjambor@suse.cz>
1504 * hsa.h (hsa_type_packed_p): Declare.
1505 * hsa.c (hsa_type_packed_p): New function.
1506 * hsa-gen.c (mem_type_for_type): Use unsigned type for packed
1508 (gen_hsa_insns_for_store): Use hsa_type_packed_p.
1509 * hsa-brig.c (emit_basic_insn): Likewise.
1511 2016-02-26 Martin Jambor <mjambor@suse.cz>
1514 * hsa-gen.c (gen_hsa_phi_from_gimple_phi): Use proper hsa type for
1516 (gen_hsa_addr): Allow integer constants in TMR_INDEX2.
1518 2016-02-26 Martin Jambor <mjambor@suse.cz>
1520 * hsa.h (is_a_helper): New overload for hsa_op_immed for
1521 hsa_op_with_type operands.
1522 (hsa_unsigned_type_for_type): Declare.
1523 * hsa.c (hsa_unsigned_type_for_type): New function.
1524 * hsa-gen.c (gen_hsa_binary_operation): Use hsa_unsigned_type_for_type.
1525 (gen_hsa_insns_for_operation_assignment): Satisfy constrains of
1526 the finalizer. Do not emit extra move.
1528 2016-02-26 Martin Jambor <mjambor@suse.cz>
1530 * hsa-gen.c (gen_hsa_ternary_atomic_for_builtin): Fail in presence of
1531 atomic operations in private segment.
1533 2016-02-26 Martin Jambor <mjambor@suse.cz>
1535 * omp-low.c (grid_find_ungridifiable_statement): Store problematic
1536 statements to wi->info. Also disallow omp simd constructs.
1537 (grid_target_follows_gridifiable_pattern): Use wi.info to dump reason
1538 for not gridifying. Dump special string for omp_for.
1540 2016-02-26 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1543 * config/aarch64/aarch64.c (aarch64_set_current_function):
1544 Save/restore target globals when switching to
1545 target_option_default_node.
1547 2016-02-26 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1550 * config/aarch64/aarch64.c (aarch64_shift_truncation_mask):
1551 Return 0 if !SHIFT_COUNT_TRUNCATED.
1553 2016-02-26 Jakub Jelinek <jakub@redhat.com>
1554 Eric Botcazou <ebotcazou@adacore.com>
1556 PR rtl-optimization/69891
1557 * dse.c (scan_insn): If we can't figure out memset arguments
1558 or they are non-constant, call clear_rhs_from_active_local_stores.
1560 2016-02-26 Martin Liska <mliska@suse.cz>
1562 * doc/extend.texi: Mention clog10, clog10f an clog10l
1563 in Builtins section.
1565 2016-02-26 Martin Liska <mliska@suse.cz>
1567 * dwarf2out.c (new_loc_descr): Replace ENABLE_CHECKING with
1569 (resolve_args_picking_1): Likewise.
1570 * dwarf2out.h (struct GTY): Likewise.
1572 2016-02-26 Martin Liska <mliska@suse.cz>
1574 * hsa-gen.c (generate_hsa): Replace ENABLE_CHECKING macro
1576 * hsa-regalloc.c (linear_scan_regalloc): Likewise.
1578 2016-02-26 Markus Trippelsdorf <markus@trippelsdorf.de>
1579 Martin Liska <mliska@suse.cz>
1581 * doc/install.texi: Mention --enable-valgrind-annotations.
1583 2016-02-26 Richard Biener <rguenther@suse.de>
1585 PR tree-optimization/69551
1586 * tree-ssa-structalias.c (get_constraint_for_ssa_var): When
1587 looking through aliases adjust DECL_PT_UID to refer to the
1588 ultimate alias target.
1590 2016-02-25 Martin Liska <mliska@suse.cz>
1593 * alloc-pool.c (after_memory_report): New variable.
1594 * alloc-pool.h (base_pool_allocator ::release): Do not use
1595 the infrastructure if after_memory_report.
1596 * toplev.c (toplev::main): Mark after memory report.
1598 2016-02-25 Richard Biener <rguenther@suse.de>
1600 PR tree-optimization/48795
1601 * tree-vrp.c (check_array_ref): Use array_at_struct_end_p.
1603 2016-02-25 Ilya Verbin <ilya.verbin@intel.com>
1606 * config/gnu-user.h (CRTOFFLOADBEGIN): Define. Add crtoffloadbegin.o if
1607 offloading is enabled and -fopenacc or -fopenmp is specified.
1608 (CRTOFFLOADEND): Likewise.
1609 (GNU_USER_TARGET_STARTFILE_SPEC): Add CRTOFFLOADBEGIN.
1610 (GNU_USER_TARGET_ENDFILE_SPEC): Add CRTOFFLOADEND.
1611 * lto-wrapper.c (offloadbegin, offloadend): Remove static vars.
1612 (offload_objects_file_name): New static var.
1613 (tool_cleanup): Remove offload_objects_file_name file.
1614 (find_offloadbeginend): Replace with ...
1615 (find_crtoffloadtable): ... this.
1616 (run_gcc): Remove offload_argc and offload_argv.
1617 Get offload_objects_file_name from -foffload-objects=... option.
1618 Read names of object files with offload from this file, pass them to
1619 compile_images_for_offload_targets. Don't call find_offloadbeginend and
1620 don't pass offloadbegin and offloadend to the linker. Don't pass
1621 offload non-LTO files to the linker, because now they're not claimed.
1623 2016-02-25 Jan Hubicka <hubicka@ucw.cz>
1626 * ipa-devirt.c (possible_polymorphic_call_targets): Do not ICE
1627 on builtin_unreachable.
1629 2016-02-25 Jakub Jelinek <jakub@redhat.com>
1631 PR rtl-optimization/69896
1632 * regcprop.c: Include cfgrtl.h.
1633 (copyprop_hardreg_forward_1): If noop_p insn uses narrower
1634 than remembered mode, either delete it (if noop_move_p), or
1635 treat like copy_p but not noop_p instruction.
1637 2016-02-24 Jakub Jelinek <jakub@redhat.com>
1640 * dwarf2out.c (gen_variable_die): Work around buggy LTO
1641 - allow NULL decl for Fortran DW_TAG_common_block variables.
1643 2016-02-24 Jason Merrill <jason@redhat.com>
1645 * common.opt (flifetime-dse): Add -flifetime-dse=1.
1647 2016-02-24 Richard Biener <rguenther@suse.de>
1648 Jakub Jelinek <jakub@redhat.com>
1651 * tree-scalar-evolution.c (interpret_rhs_expr): Re-write
1652 conditionally executed ops to well-defined overflow behavior.
1654 2016-02-24 Jakub Jelinek <jakub@redhat.com>
1657 * tree.c (build_vector_from_ctor): Fix handling of VECTOR_CST
1660 2016-02-24 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1662 PR rtl-optimization/69886
1663 * gcse.c (can_assign_to_reg_without_clobbers_p): Accept mode
1664 argument. Use it when checking validity of set instructions.
1665 (want_to_gcse_p): Pass mode to can_assign_to_reg_without_clobbers_p.
1666 (compute_ld_motion_mems): Update can_assign_to_reg_without_clobbers_p
1668 * rtl.h (can_assign_to_reg_without_clobbers_p): Update prototype.
1669 * store-motion.c (find_moveable_store): Update
1670 can_assign_to_reg_without_clobbers_p callsite.
1672 2016-02-24 Richard Biener <rguenther@suse.de>
1675 * tree-ssa-loop-niter.c (derive_constant_upper_bound_ops): Fix
1677 (record_nonwrapping_iv): Do not fall back to the low/high bound
1678 for non-constant IV bases if the stmt is not always executed.
1680 2016-02-24 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1682 * config/arm/arm-cores.def (cortex-a32): New entry.
1683 * config/arm/arm-tables.opt: Regenerate.
1684 * config/arm/arm-tune.md: Regenerate.
1685 * config/arm/bpabi.h (BE8_LINK_SPEC): Add mcpu=cortex-a32.
1686 * config/arm/t-aprofile: Handle mcpu=cortex-a32.
1687 * doc/invoke.texi (ARM Options): Document cortex-a32 as value
1688 for -mcpu and -mtune.
1690 2016-02-24 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1693 * config/arm/arm.h (TARGET_HAVE_LPAE): Define.
1694 * config/arm/unspecs.md (VUNSPEC_LDRD_ATOMIC): New value.
1695 * config/arm/sync.md (arm_atomic_loaddi2_ldrd): New pattern.
1696 (atomic_loaddi_1): Delete.
1697 (atomic_loaddi): Rewrite expander using the above changes.
1699 2016-02-24 Jakub Jelinek <jakub@redhat.com>
1702 * params.def (PARAM_MAX_SSA_NAME_QUERY_DEPTH): Bump default from
1705 2016-02-24 Jakub Jelinek <jakub@redhat.com>
1706 Richard Biener <rguenth@suse.de>
1709 * expr.c (expand_expr_real_1) <normal_inner_ref>: Avoid
1710 set_mem_attributes if tem is SSA_NAME which got expanded
1713 2016-02-24 Richard Biener <rguenther@suse.de>
1715 PR tree-optimization/69907
1716 * tree-vect-stmts.c (vectorizable_load): Check for gaps at the
1717 end of permutations for BB vectorization.
1719 2016-02-24 Christian Bruel <christian.bruel@st.com>
1721 * config/arm/arm-c.c (arm_option_override): Initialize
1722 target_option_current_node.
1723 * config/arm/arm.c (arm_pragma_target_parse): Replace
1724 build_target_option_node call by target_option_current_node.
1725 Set target_option_current_node.
1728 2016-02-23 David Edelsohn <dje.gcc@gmail.com>
1731 * config/rs6000/rs6000.md (zero_extendqi<mode>2_dot): Convert from
1732 define_insn_and_split to define_insn.
1733 (zero_extendqi<mode>2_dot2): Same.
1734 (extendqi<mode>2_dot): Same.
1735 (extendqi<mode>2_dot2): Same.
1737 2016-02-23 Evandro Menezes <e.menezes@samsung.com>
1739 * config/arm/exynos-m1.md: Change cost of STP, fix bypass for stores
1740 and add bypass for AES{D,E} and AESMC pairs.
1741 * config/aarch64/aarch64.c (exynosm1_tunings): Enable fusion of AES{D,E}
1744 2016-02-23 Evandro Menezes <e.menezes@samsung.com>
1746 * config/aarch64/aarch64.c (exynosm1_tunings): Enable the Newton
1747 series for reciprocal square root in Exynos M1.
1749 2016-02-23 Martin Sebor <msebor@redhat.com>
1752 * doc/extend.texi (Other Builtins): Document __builtin_alloca and
1753 __builtin_alloca_with_align.
1755 2016-02-23 Richard Henderson <rth@redhat.com>
1757 * config/i386/i386-c.c (ix86_target_macros): Remove __SEG_TLS.
1758 (ix86_register_pragmas): Remove __seg_tls.
1759 * config/i386/i386-protos.h (ADDR_SPACE_SEG_TLS): Remove.
1760 * config/i386/i386.c (ix86_print_operand_address_as): Don't handle it.
1761 (ix86_addr_space_subset_p, TARGET_ADDR_SPACE_SUBSET_P): Remove.
1762 (ix86_addr_space_convert, TARGET_ADDR_SPACE_CONVERT): Remove.
1763 (ix86_addr_space_debug, TARGET_ADDR_SPACE_DEBUG): Remove.
1764 * doc/extend.texi (__seg_tls): Remove item.
1766 2016-02-23 Richard Biener <rguenther@suse.de>
1768 * alloc-pool.h (struct allocation_object): Make id member
1769 conditional on CHECKING_P again.
1770 (get_instance): Adjust.
1771 (base_pool_allocator): Likewise.
1773 2016-02-23 Thomas Schwinge <thomas@codesourcery.com>
1775 * tree-parloops.c (create_parallel_loop, gen_parallel_loop)
1776 (parallelize_loops): In OpenACC kernels mode, set n_threads to
1778 (pass_parallelize_loops::gate): In OpenACC kernels mode, gate on
1780 * tree-ssa-loop.c (gate_oacc_kernels): Likewise.
1782 2016-02-23 Richard Biener <rguenther@suse.de>
1784 * mem-stats.h (struct mem_usage): Use PRIu64 for printing size_t.
1785 * bitmap.h (struct bitmap_usage): Likewise.
1786 (bitmap_move): Declare.
1787 * bitmap.c (register_overhead): Take size_t argument.
1788 (bitmap_move): New function.
1789 * df-problems.c (df_rd_transfer_function): Use bitmap_move
1790 to properly account overhead.
1791 * tree.c (free_node): Use tree_size.
1793 2016-02-23 Jakub Jelinek <jakub@redhat.com>
1796 * fold-const.c (fold_truth_not_expr): Propagate TREE_NO_WARNING
1797 when inverting comparison.
1800 * common.opt (Wunreachable-code): Add Warning flag.
1802 2016-02-23 Mark Wielaard <mjw@redhat.com>
1803 Jakub Jelinek <jakub@redhat.com>
1806 * cgraphunit.c (check_global_declaration): Check main_input_filename
1807 and DECL_SOURCE_FILE are not NULL.
1809 2016-02-23 Martin Jambor <mjambor@suse.cz>
1811 PR tree-optimization/69666
1812 * tree-sra.c (sra_modify_assign): Do not attempt to create
1813 default_def replacements for unscalarizable regions.
1815 2016-02-20 Mark Wielaard <mjw@redhat.com>
1818 * cgraphunit.c (check_global_declaration): Check level of
1819 warn_unused_const_variable and main_input_filename.
1820 * doc/invoke.texi (Warning Options): Add -Wunused-const-variable=.
1821 (-Wunused-variable): For C implies -Wunused-const-variable=1.
1822 (-Wunused-const-variable): Explain levels 1 and 2.
1824 2016-02-22 Jakub Jelinek <jakub@redhat.com>
1827 * config/i386/i386.c (decide_alg): Ensure we don't recurse with
1828 identical arguments. Formatting and spelling fixes.
1831 * doc/md.texi (ashl@var{m}3): Document that mode of operand 2 must
1836 * config/m68k/t-opts (OPTIONS_H_EXTRA): Add m68k-microarchs.def
1837 and m68k-devices.def.
1838 * config/c6x/t-c6x (OPTIONS_H_EXTRA): Add c6x-isas.def.
1839 * config/aarch64/t-aarch64 (OPTIONS_H_EXTRA): Add aarch64-arches.def.
1841 2016-02-22 Cesar Philippidis <cesar@codesourcery.com>
1843 * config/nvptx/nvptx.c (nvptx_gen_shuffle): Add support for QImode
1844 and HImode registers.
1846 2016-02-22 Richard Biener <rguenther@suse.de>
1848 PR tree-optimization/69882
1849 * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Properly
1850 preserve permutations present because of gaps.
1851 (vect_supported_load_permutation_p): Always continue checking
1852 permutations after vect_attempt_slp_rearrange_stmts.
1854 2016-02-22 Bin Cheng <bin.cheng@arm.com>
1856 * tree-vect-loop.c (vect_estimate_min_profitable_iters): Dump
1857 min_profitable_estimate, rather than min_profitable_iters.
1859 2016-02-22 Jakub Jelinek <jakub@redhat.com>
1862 * config/m68k/m68k.md (ashldi3, ashrdi3, lshrdi3): Use
1863 SImode for last match_operand.
1865 2016-02-22 Martin Liska <mliska@suse.cz>
1867 * hsa-gen.c (gen_hsa_clrsb): In case of zero value,
1868 return bitsize - 1 as the return value.
1870 2016-02-22 Oleg Endo <olegendo@gcc.gnu.org>
1874 * config/sh/sh.c (sh_lshrsi_clobbers_t_reg_p, sh_dynamicalize_shift_p):
1875 Handle negative shift counts.
1876 * config/sh/sh.md (ashlsi3, lshrsi3_n, lshrsi3_n_clobbers_t): Don't use
1877 force_reg on the shift constant.
1878 (lshrsi3): Likewise. Expand into lshrsi3_n* instead of lshrsi3_d.
1879 (lshrsi3_d): Handle negative shift counts.
1881 2016-02-22 Richard Biener <rguenther@suse.de>
1882 Tom de Vries <tom@codesourcery.com>
1884 * graph.c: Include dumpfile.h.
1885 (print_graph_cfg): Split into three overloads.
1886 * gdbhooks.py (class DotFn): Add and instantiate, adding command dot-fn.
1888 2016-02-22 Tom de Vries <tom@codesourcery.com>
1890 * gdbhooks.py (class DumpFn): Add and instantiate, adding command
1893 2016-02-22 Richard Biener <rguenther@suse.de>
1896 * ipa-inline-transform.c (inline_call): When not updating
1897 overall summaries adjust self size by the growth estimate.
1898 * ipa-inline.c (inline_to_all_callers_1): Add to the callers
1899 hash-set, do not update overall summaries here. Renamed from ...
1900 (inline_to_all_callers): ... this which is now wrapping the
1901 above and performing delayed overall summary update.
1902 (early_inline_small_functions): Delay updating of the overall
1905 2016-02-21 Markus Trippelsdorf <markus@trippelsdorf.de>
1907 * tree-chkp.c (chkp_mark_invalid_bounds_walker): Initialize
1910 2016-02-19 Jakub Jelinek <jakub@redhat.com>
1913 * gcc.c (LINK_COMMAND_SPEC, GOMP_SELF_SPECS): Use
1914 :%* in %:gt() argument.
1915 (greater_than_spec_func): Adjust for expecting only numbers,
1916 if there are more than two numbers, compare the last two.
1918 2016-02-19 Jonathan Wakely <jwakely@redhat.com>
1920 * doc/invoke.texi (C++ Dialect Options): Clarify interaction of
1921 -Wnarrowing with -std.
1923 2016-02-19 Jakub Jelinek <jakub@redhat.com>
1926 * expr.c (store_field): Don't use bit-field path if exp is
1927 COMPONENT_REF with TREE_ADDRESSABLE type, where TYPE_SIZE is
1928 different from bitsize, but DECL_SIZE of FIELD_DECL is bitsize
1929 and the assignment can be performed by bitwise copy. Formatting
1933 * lra.c (lra_process_new_insns): If non-call exceptions are enabled,
1934 call copy_reg_eh_region_note_forward on before and/or after sequences
1935 and remove note from insn if it no longer can throw.
1938 * config/i386/sse.md (VI_512): Only include V64QImode and V32HImode
1941 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
1943 * config/s390/vector.md: Add missing commutative operand markers
1944 to the patterns which qualify for one.
1945 * config/s390/vx-builtins.md: Likewise.
1947 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
1949 * config/s390/vector.md (VI, VI_QHS): Add single element vector
1950 types to mode iterators.
1951 (vec_double): ... and mode attribute.
1952 * config/s390/vx-builtins.md (non_vec_int): Likewise.
1954 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
1956 * config/s390/vector.md ("<ti*>add<mode>3", "<ti*>sub<mode>3"):
1957 Change the predicate of op2 from nonimmediate to general and let
1958 reload fix it if necessary.
1960 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
1962 * config/s390/vecintrin.h (vec_sub_u128): Define missing macro.
1964 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
1966 * config/s390/s390.c (s390_expand_vcond): Use the compare operand
1969 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
1971 * config/s390/s390-protos.h: Add s390_expand_vec_movstr prototype.
1972 * config/s390/s390.c (s390_expand_vec_movstr): New function.
1973 * config/s390/s390.md ("movstr<P:mode>"): Call
1974 s390_expand_vec_movstr.
1976 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
1978 * config/s390/s390.md: Add missing output modifier for operand 1
1979 to print it as address properly.
1981 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
1983 * config/s390/2827.md: Rename ooo_* insn attributes to zEC12_*.
1984 * config/s390/2964.md: New file.
1985 * config/s390/s390.c (s390_get_sched_attrmask): Use the right set
1986 of insn grouping attributes depending on the CPU level.
1987 (s390_get_unit_mask): New function.
1988 (s390_sched_score): Remove the OOO from the scheduling macros.
1989 Add loop to calculate a score for the instruction mix.
1990 (s390_sched_reorder): Likewise plus improve debug output.
1991 (s390_sched_variable_issue): Rename macros as above. Calculate
1992 the unit distances after actually scheduling an insn. Improve
1994 (s390_sched_init): Clear last_scheduled_unit_distance array.
1995 * config/s390/s390.md: Include 2964.md.
1997 2016-02-18 Jakub Jelinek <jakub@redhat.com>
2000 * config/i386/sse.md (*<floatsuffix>floatv2div2sf2_mask_1,
2001 *avx512vl_<code>v2div2qi2_mask_1, *avx512vl_<code><mode>v4qi2_mask_1,
2002 *avx512vl_<code><mode>v8qi2_mask_1, *avx512vl_<code><mode>v4hi2_mask_1,
2003 *avx512vl_<code>v2div2hi2_mask_1, *avx512vl_<code>v2div2si2_mask_1,
2004 *avx512f_<code>v8div16qi2_mask_1): New insns.
2006 2016-02-18 Michael Meissner <meissner@linux.vnet.ibm.com>
2009 * config/rs6000/predicates.md (fusion_gpr_addis): Revert
2012 * config/rs6000/rs6000.md (fusion_gpr_load_<mode>): Remove
2013 earlyclobber from target. Use wF constraint for fused memory
2015 (fusion_gpr_<P:mode>_<GPR_FUSION:mode>_load): Likewise.
2017 2016-02-18 Jakub Jelinek <jakub@redhat.com>
2018 Martin Liska <mliska@suse.cz>
2021 * cfgexpand.c (asan_sanitize_stack_p): New function.
2022 (partition_stack_vars): Use the function.
2023 (expand_stack_vars): Likewise.
2024 (defer_stack_allocation): Likewise.
2025 (expand_used_vars): Likewise.
2027 2016-02-18 Richard Biener <rguenther@suse.de>
2030 * fold-const.c (operand_equal_p): Properly compare offsets for
2031 IMAGPART_EXPR and ARRAY_REF.
2033 2016-02-18 Nick Clifton <nickc@redhat.com>
2037 * config/arm/arm.c (arm_option_override_internal): Disable
2038 interworking if the target does not support thumb instructions.
2039 (arm_reload_in_hi): Handle the case where a register to register
2040 move needs reloading because there is no simple pattern to handle
2042 (arm_reload_out_hi): Likewise.
2044 2016-02-18 Richard Biener <rguenther@suse.de>
2047 * match.pd: Don't use fold_binary or fold_unary for folding
2050 2016-02-17 Jakub Jelinek <jakub@redhat.com>
2053 * gimplify.c (gimplify_cond_expr): Call gimple_set_no_warning
2054 on the cond_stmt from TREE_NO_WARNING on COND_EXPR_COND.
2055 * gimple-ssa-nonnull-compare.c (do_warn_nonnull_compare): Don't
2056 warn on gimple_no_warning_p statements.
2058 2016-02-17 Jonathan Wakely <jwakely@redhat.com>
2060 * doc/extend.texi (C++ Attributes): Correct description of
2061 warn_unused type attribute.
2063 2016-02-17 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2065 * config/rs6000/altivec.md (*altivec_lvxl_<mode>_internal): Output
2066 correct instruction.
2068 2016-02-17 Richard Biener <rguenther@suse.de>
2070 PR rtl-optimization/69609
2071 * bb-reorder.c (struct bbro_basic_block_data): Add priority member.
2072 (find_traces_1_round): When ending a trace update cached priority
2074 (bb_to_key): Use cached priority when available.
2075 (copy_bb): Initialize cached priority.
2076 (reorder_basic_blocks_software_trace_cache): Likewise.
2078 2016-02-17 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
2081 * config/aarch64/predicates.md (aarch64_comparison_operator_mode):
2083 (aarch64_comparison_operator): Break overly long line into two.
2084 (aarch64_comparison_operation): Likewise.
2085 * config/aarch64/aarch64.md (cstorecc4): Use
2086 aarch64_comparison_operator_mode instead of
2087 aarch64_comparison_operator.
2088 (cstore<mode>4): Likewise.
2089 (aarch64_cstore<mode>): Likewise.
2090 (*cstoresi_insn_uxtw): Likewise.
2091 (cstore<mode>_neg): Likewise.
2092 (*cstoresi_neg_uxtw): Likewise.
2094 2016-02-17 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
2097 * config/arm/predicates.md (arm_comparison_operator_mode):
2099 * config/arm/arm.md (*mov_scc): Use arm_comparison_operator_mode
2100 instead of arm_comparison_operator.
2101 (*mov_negscc): Likewise.
2102 (*mov_notscc): Likewise.
2103 * config/arm/thumb2.md (*thumb2_mov_scc): Likewise.
2104 (*thumb2_mov_negscc): Likewise.
2105 (*thumb2_mov_negscc_strict_it): Likewise.
2106 (*thumb2_mov_notscc): Likewise.
2107 (*thumb2_mov_notscc_strict_it): Likewise.
2109 2016-02-17 Wilco Dijkstra <wdijkstr@arm.com>
2111 * config/aarch64/aarch64.c (aarch64_internal_mov_immediate):
2114 2016-02-17 Eric Botcazou <ebotcazou@adacore.com>
2116 * config/visium/visium.c (machine_libfunc_index): New enum.
2117 (machine_libfuncs): New structure.
2118 (visium_libfuncs): New static variable.
2119 (TARGET_INIT_LIBFUNCS): Define to...
2120 (visium_init_libfuncs): ...this. New function.
2121 (expand_block_move_4): Use the appropriate libfunc.
2122 (expand_block_move_2): Likewise.
2123 (expand_block_move_1): Likewise.
2124 (expand_block_set_4): Likewise.
2125 (expand_block_set_2): Likewise.
2126 (expand_block_set_1): Likewise.
2127 (visium_trampoline_init): Likewise.
2129 2016-02-17 Nick Clifton <nickc@redhat.com>
2131 * config/msp430/msp430.c (msp430_mcu_data): Sync with data from
2132 TI's devices.csv file as of March 2016.
2134 2016-02-16 Kelvin Nilsen <kelvin@gcc.gnu.org>
2137 * opts-global.c (handle_common_deferred_options): Introduce and
2138 initialize two global variables to remember command-line options
2139 specifying a stack-limiting register.
2140 * opts.h: Add extern declarations of the two new global variables.
2141 * emit-rtl.c (init_emit_once): Initialize the stack_limit_rtx
2142 variable based on the values of the two new global variables.
2144 2016-02-16 Jakub Jelinek <jakub@redhat.com>
2147 * common.opt (Wnonnull-compare): New warning.
2148 * doc/invoke.texi (-Wnonnull): Remove text about comparison
2149 of arguments against NULL.
2150 (-Wnonnull-compare): Document.
2151 * Makefile.in (OBJS): Add gimple-ssa-nonnull-compare.o.
2152 * tree-pass.h (make_pass_warn_nonnull_compare): Declare.
2153 * passes.def (pass_warn_nonnull_compare): Add.
2154 * gimple-ssa-nonnull-compare.c: New file.
2156 2016-02-16 James Greenhalgh <james.greenhalgh@arm.com>
2158 * config/aarch64/aarch64.c (cortexa57_tunings): Remove
2159 AARCH64_EXTRA_TUNE_RECIP_SQRT.
2161 2016-02-16 James Greenhalgh <james.greenhalgh@arm.com>
2163 * config/aarch64/aarch64.c (use_rsqrt_p): Always use software
2164 reciprocal sqrt for -mlow-precision-recip-sqrt.
2166 2016-02-16 James Greenhalgh <james.greenhalgh@arm.com>
2167 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
2169 * config/aarch64/aarch64.c (aarch64_expand_vector_init): Refactor,
2170 always use lane loads to construct non-constant vectors.
2172 2016-02-16 James Greenhalgh <james.greenhalgh@arm.com>
2174 * config/aarch64/aarch64.md
2175 (arch64_sqrdml<SQRDMLH_AS:rdma_as>h_lane<mode>): Fix register
2176 constraints for operand 3.
2177 (aarch64_sqrdml<SQRDMLH_AS:rdma_as>h_laneq<mode>): Likewise.
2179 2016-02-16 Jakub Jelinek <jakub@redhat.com>
2180 Richard Biener <rguenther@suse.de>
2182 PR tree-optimization/69820
2183 * tree-vect-patterns.c (type_conversion_p): Return false if
2184 *orig_type is unsigned single precision or boolean.
2185 (vect_recog_dot_prod_pattern, vect_recog_widen_mult_pattern):
2188 2016-02-16 Jakub Jelinek <jakub@redhat.com>
2190 PR rtl-optimization/69764
2191 PR rtl-optimization/69771
2192 * optabs.c (expand_binop): Ensure for shift optabs invalid CONST_INT
2193 op1 is valid for GET_MODE_INNER (mode) and force it into a reg.
2195 2016-02-16 Richard Biener <rguenther@suse.de>
2197 PR tree-optimization/69776
2198 * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Get alias
2200 (indirect_refs_may_alias_p): Likewise.
2201 (refs_may_alias_p_1): Pass alias sets as from ao_ref.
2202 * tree-ssa-sccvn.c (vn_reference_lookup): Also adjust vr alias-set
2203 according to tbaa_p.
2204 * tree-ssa-dom.c (lookup_avail_expr): Add tbaa_p flag.
2205 (optimize_stmt): For redundant store discovery do not allow tbaa.
2207 2016-02-16 Bernd Schmidt <bschmidt@redhat.com>
2209 PR tree-optimization/69714
2210 * tree-ssa-math-opts.c (find_bswap_or_nop): Revert previous change.
2211 Return NULL if we have irrelevant high bytes on BIG_ENDIAN.
2213 2016-02-16 Claudiu Zissulescu <claziss@synopsys.com>
2215 * config/arc/arc-modes.def (CC_FPU, CC_FPU_UNEQ): New modes.
2216 * config/arc/arc-opts.h (FPU_SP, FPU_SF, FPU_SC, FPU_SD, FPU_DP)
2217 (FPU_DF, FPU_DC, FPU_DD, FXP_DP): Define.
2218 * config/arc/arc.c (arc_init): Check FPU options.
2219 (get_arc_condition_code): Handle new CC_FPU* modes.
2220 (arc_select_cc_mode): Likewise.
2221 (arc_conditional_register_usage): Allow 64 bit datum into even-odd
2222 register pair only. Allow access for ARCv2 accumulator.
2223 (gen_compare_reg): Whenever we have FPU support use FPU compare
2225 (arc_reorg): Don't generate brcc insns when FPU compare
2226 instructions are involved.
2227 * config/arc/arc.h (TARGET_DPFP): Add TARGET_FP_DPAX condition.
2228 (TARGET_OPTFPE): Add condition when ARC EM can use optimized
2229 floating point emulation.
2230 (ACC_REG_FIRST, ACC_REG_LAST, ACCL_REGNO, ACCH_REGNO): Define.
2231 (REVERSE_CONDITION): Add new CC_FPU* modes.
2232 (TARGET_FP_SP_BASE): Define.
2233 (TARGET_FP_DP_BASE): Likewise.
2234 (TARGET_FP_SP_FUSED): Likewise.
2235 (TARGET_FP_DP_FUSED): Likewise.
2236 (TARGET_FP_SP_CONV): Likewise.
2237 (TARGET_FP_DP_CONV): Likewise.
2238 (TARGET_FP_SP_SQRT): Likewise.
2239 (TARGET_FP_DP_SQRT): Likewise.
2240 (TARGET_FP_DP_AX): Likewise.
2241 * config/arc/arc.md (ARCV2_ACC): New constant.
2242 (type): New fpu type attribute.
2243 (SDF): Conditional iterator.
2244 (cstore<mode>, cbranch<mode>): Change expand condition.
2245 (addsf3, subsf3, mulsf3, adddf3, subdf3, muldf3): New expands,
2246 handles FPU/FPX cases as well.
2247 * config/arc/arc.opt (mfpu): New option.
2248 * config/arc/fpx.md (addsf3_fpx, subsf3_fpx, mulsf3_fpx):
2250 (adddf3, muldf3, subdf3): Removed.
2251 * config/arc/predicates.md (proper_comparison_operator): Recognize
2253 * config/arc/fpu.md: New file.
2254 * doc/invoke.texi (ARC Options): Document mfpu option.
2256 2016-02-16 Richard Biener <rguenther@suse.de>
2258 PR rtl-optimization/69291
2259 * ifcvt.c (noce_try_store_flag_constants): Re-instantiate
2260 noce_operand_ok check.
2262 2016-02-16 Tom de Vries <tom@codesourcery.com>
2265 * omp-low.c (simd_clone_create): Remove call to
2266 symtab->call_cgraph_insertion_hooks.
2268 2016-02-16 Jakub Jelinek <jakub@redhat.com>
2270 PR tree-optimization/69802
2271 * tree-ssa-reassoc.c (update_range_test): If op is
2272 SSA_NAME_IS_DEFAULT_DEF, give up unless tem is a positive
2273 op == 1 test of precision 1 integral op, otherwise handle
2274 that case as op itself. Fix up formatting.
2275 (optimize_range_tests_to_bit_test, optimize_range_tests): Fix
2278 2016-02-16 Richard Biener <rguenther@suse.de>
2280 PR tree-optimization/69586
2281 * tree-vrp.c (register_edge_assert_for_2): Handle all integral
2282 types for conversion sources.
2284 2016-02-16 Richard Biener <rguenther@suse.de>
2287 * fold-const.c (operand_equal_p): For COND_EXPR zero operand
2288 mask OEP_ADDRESS_OF.
2290 2016-02-16 Alan Modra <amodra@gmail.com>
2293 * config/rs6000/rs6000.md (reload_vsx_from_gprsf): Rewrite splitter.
2294 (p8_mtvsrd_df, p8_mtvsrd_sf): New.
2295 (p8_mtvsrd_1, p8_mtvsrd_2): Delete.
2297 (p8_mtvsrwz_1, p8_mtvsrwz_2): Delete.
2298 (p8_xxpermdi_<mode>): Take two DF inputs rather than one TF.
2299 (p8_fmrgow_<mode>): Likewise.
2300 (reload_vsx_from_gpr<mode>): Make clobber IF. Adjust for above
2302 (reload_fpr_from_gpr<mode>): Similarly. Use "d" for op0 constraint.
2303 (reload_vsx_from_gprsf): Use p8_mtvsrd_sf rather than attempting
2304 to use movdi_internal64. Remove op0_di.
2305 * config/rs6000/vsx.md (vsx_xscvspdpn_directmove): Make op1 SFmode.
2307 2016-02-15 Evandro Menezes <e.menezes@samsung.com>
2309 Add support for the FCCMP insn types
2311 * config/aarch64/aarch64.md (fccmp): Change insn type.
2313 * config/aarch64/thunderx.md (thunderx_fcmp): Add "fccmp{s,d}" types.
2314 * config/arm/cortex-a53.md (cortex_a53_fpalu): Likewise.
2315 * config/arm/cortex-a57.md (cortex_a57_fp_cmp): Likewise.
2316 * config/arm/xgene1.md (xgene1_fcmp): Likewise.
2317 * config/arm/exynos-m1.md (exynos_m1_fp_ccmp): New insn reservation.
2318 * config/arm/types.md (fccmps): Add new insn type.
2321 2016-02-15 Bernd Edlinger <bernd.edlinger@hotmail.de>
2323 * alias.c (get_alias_set): Fix a typo in comment.
2325 2016-02-15 Richard Biener <rguenther@suse.de>
2327 PR tree-optimization/69595
2328 * match.pd: Complete range test simplification to true.
2330 2016-02-15 Bernd Schmidt <bschmidt@redhat.com>
2332 PR rtl-optimization/69648
2333 * lra-constraints.c (update_ebb_live_info): Don't remove sets of
2334 pic_offset_table_rtx.
2336 PR rtl-optimization/69752
2337 * ira.c (update_equiv_regs): When looking for more than a single SET,
2338 also take other side effects into account.
2340 2016-02-15 Marcin Kościelnicki <koriakin@0x04.net>
2342 * config/s390/s390.c (s390_function_profiler): Add a new sequence
2343 for z900+ CPUs in 31-bit mode.
2345 2016-02-15 Marcin Kościelnicki <koriakin@0x04.net>
2347 * common/config/s390/s390-common.c (s390_supports_split_stack):
2349 (TARGET_SUPPORTS_SPLIT_STACK): New macro.
2350 * config/s390/s390-protos.h: Add s390_expand_split_stack_prologue.
2351 * config/s390/s390.c (struct machine_function): New field
2352 split_stack_varargs_pointer.
2353 (s390_register_info): Mark r12 as clobbered if it'll be used as temp
2354 in s390_emit_prologue.
2355 (s390_emit_prologue): Use r12 as temp if r1 is taken by split-stack
2357 (morestack_ref): New global.
2358 (SPLIT_STACK_AVAILABLE): New macro.
2359 (s390_expand_split_stack_prologue): New function.
2360 (s390_live_on_entry): New function.
2361 (s390_va_start): Use split-stack vararg pointer if appropriate.
2362 (s390_asm_file_end): Emit the split-stack note sections.
2363 (TARGET_EXTRA_LIVE_ON_ENTRY): New macro.
2364 * config/s390/s390.md (UNSPEC_STACK_CHECK): New unspec.
2365 (UNSPECV_SPLIT_STACK_CALL): New unspec.
2366 (UNSPECV_SPLIT_STACK_DATA): New unspec.
2367 (split_stack_prologue): New expand.
2368 (split_stack_space_check): New expand.
2369 (split_stack_data): New insn.
2370 (split_stack_call): New expand.
2371 (split_stack_call_*): New insn.
2372 (split_stack_cond_call): New expand.
2373 (split_stack_cond_call_*): New insn.
2375 2016-02-15 Richard Biener <rguenther@suse.de>
2377 PR tree-optimization/69783
2378 * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
2379 Add trivially correct cases.
2381 2016-02-15 Tom de Vries <tom@codesourcery.com>
2384 * lto-cgraph.c (input_offload_tables): Add and handle bool parameter
2386 * lto-streamer.h (input_offload_tables): Add and handle bool parameter.
2388 2016-02-15 Richard Biener <rguenther@suse.de>
2390 PR tree-optimization/69776
2391 * tree-ssa-sccvn.h (vn_reference_lookup): Adjust prototype.
2392 * tree-ssa-sccvn.c (vn_reference_lookup): Add parameter to
2393 indicate whether we can use TBAA to disambiguate against stores.
2394 Use alias-set zero if not.
2395 (visit_reference_op_store): Do not use TBAA when looking up
2397 * tree-ssa-pre.c (compute_avail): Use TBAA here.
2398 (eliminate_dom_walker::before_dom_children): But not when looking
2399 up redundant stores.
2401 2016-02-14 John David Anglin <danglin@gcc.gnu.org>
2403 * config/pa/pa.md (absqi2, absghi2, bswaphi2, bswapsi2, bswapdi2): New.
2405 2016-02-14 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
2407 * config/i386/znver1.md
2408 (znver1_pop, znver1_pop_mem,
2409 znver1_load_imov_double_store,
2410 znver1_load_imov_direct_store,
2411 znver1_load_imov_direct_load,
2412 znver1_load_imov_double_load): Add new.
2413 (znver1_insn, znver1_insn_load): Add icmov type.
2415 znver1_sseavx_fma_load,
2417 znver1_avx256_fma_load): Fix pipe usage.
2419 2016-02-14 Alan Modra <amodra@gmail.com>
2422 * reloads.c (find_reloads_address_1): For pre/post-inc/dec
2423 with an invalid hard reg, reload just the reg not the entire
2424 pre/post-inc/dec address expression.
2426 2016-02-13 Oleg Endo <olegendo@gcc.gnu.org>
2429 * config/sh/sh.md (sibcall_value_pcrel): Replace =&k scratch reg with
2430 fixed R1_REG scratch reg.
2431 (sibcall_value_pcrel_fdpic): Likewise.
2433 2016-02-13 Oleg Endo <olegendo@gcc.gnu.org>
2437 * config/sh/sh.md (*zero_extract_3): New insn_and_split pattern.
2439 2016-02-12 Walter Lee <walt@tilera.com>
2441 * config/tilepro/t-tilepro: Replace CC_FOR_BUILD with CXX_FOR_BUILD.
2442 * config/tilegx/t-tilegx: Likewise.
2444 2016-02-12 David Malcolm <dmalcolm@redhat.com>
2447 * diagnostic-show-locus.c (struct line_span): New struct.
2448 (layout::get_first_line): Delete.
2449 (layout::get_last_line): Delete.
2450 (layout::get_num_line_spans): New member function.
2451 (layout::get_line_span): Likewise.
2452 (layout::print_heading_for_line_span_index_p): Likewise.
2453 (layout::get_expanded_location): Likewise.
2454 (layout::calculate_line_spans): Likewise.
2455 (layout::m_first_line): Delete.
2456 (layout::m_last_line): Delete.
2457 (layout::m_line_spans): New field.
2458 (layout::layout): Update comment. Replace m_first_line and
2459 m_last_line with m_line_spans, replacing their initialization
2460 with a call to calculate_line_spans.
2461 (diagnostic_show_locus): When printing source lines and
2462 annotations, rather than looping over a single span
2463 of lines, instead loop over each line_span within
2464 the layout, with an inner loop over the lines within them.
2465 Call the context's start_span callback when changing line spans.
2466 * diagnostic.c (diagnostic_initialize): Initialize start_span.
2467 (diagnostic_build_prefix): Break out the building of the location
2468 part of the string into...
2469 (diagnostic_get_location_text): ...this new function, rewriting
2470 it from nested ternary expressions to a sequence of "if"
2472 (default_diagnostic_start_span_fn): New function.
2473 * diagnostic.h (diagnostic_start_span_fn): New typedef.
2474 (diagnostic_context::start_span): New field.
2475 (default_diagnostic_start_span_fn): New prototype.
2477 2016-02-12 David Malcolm <dmalcolm@redhat.com>
2480 * gcc.c (driver::finalize): Fix cleanup of "specs".
2482 2016-02-12 David Malcolm <dmalcolm@redhat.com>
2486 * gcc.c (driver::driver): Initialize m_option_suggestions.
2487 (driver::~driver): Clean up m_option_suggestions.
2488 (suggest_option): Convert to...
2489 (driver::suggest_option): ...this, and split out into
2490 driver::build_option_suggestions and find_closest_string.
2491 (driver::build_option_suggestions): New function, from
2492 first half of suggest_option. Special-case
2493 OPT_fsanitize_ and OPT_fsanitize_recover_, making use of
2494 the sanitizer_opts array. For options of enum types, add the
2495 various enum values to the candidate strings.
2496 (driver::handle_unrecognized_options): Remove "const".
2497 * gcc.h (driver::handle_unrecognized_options): Likewise.
2498 (driver::build_option_suggestions): New decl.
2499 (driver::suggest_option): New decl.
2500 (driver::m_option_suggestions): New field.
2501 * opts-common.c (add_misspelling_candidates): New function.
2502 * opts.c (sanitizer_opts): Remove decl of struct sanitizer_opts_s
2503 and make non-static.
2504 * opts.h (sanitizer_opts): New array decl.
2505 (add_misspelling_candidates): New function decl.
2506 * spellcheck.c (find_closest_string): New function.
2507 * spellcheck.h (find_closest_string): New function decl.
2509 2016-02-12 Jakub Jelinek <jakub@redhat.com>
2511 PR rtl-optimization/69764
2512 PR rtl-optimization/69771
2513 * optabs.c (expand_binop_directly): For shift_optab_p, force
2514 convert_modes with VOIDmode if xop1 has VOIDmode.
2516 2016-02-12 Ilya Enkovich <enkovich.gnu@gmail.com>
2519 * lto-streamer-out.c (lto_output): Use thunk.add_pointer_bounds_args
2520 to correctly determine instrumentation thunks.
2522 2016-02-12 Jakub Jelinek <jakub@redhat.com>
2525 * ipa-split.c (split_function): If split part returns TREE_ADDRESSABLE
2526 type by reference, force lhs on the call.
2529 * ipa-split.c (split_function): Don't compute/use main_part_return_p.
2530 Compute retval and retbnd early in all cases if split_part_return_p
2531 and return_bb is not EXIT. Remove all clobber stmts and reset
2532 all debug stmts that refer to SSA_NAMEs defined in split part,
2533 except if it is retval, in that case replace the old retval with the
2534 lhs of the call to the split part.
2536 2016-02-12 Kugan Vivekanandarajah <kuganv@linaro.org>
2539 2016-02-12 Kugan Vivekanandarajah <kuganv@linaro.org>
2542 * tree-ssa-reassoc.c (optimize_range_tests): Handle tcc_compare stmt
2543 whose result is used in PHI.
2544 (maybe_optimize_range_tests): Likewise.
2545 (final_range_test_p): Likweise.
2547 2016-02-12 Kugan Vivekanandarajah <kuganv@linaro.org>
2550 * tree-ssa-reassoc.c (optimize_range_tests): Handle tcc_compare stmt
2551 whose result is used in PHI.
2552 (maybe_optimize_range_tests): Likewise.
2553 (final_range_test_p): Likweise.
2555 2016-02-12 Jakub Jelinek <jakub@redhat.com>
2557 * cgraph.c: Spelling fixes - behaviour -> behavior and
2558 neighbour -> neighbor.
2559 * target.def: Likewise.
2560 * sel-sched.c: Likewise.
2561 * config/mips/mips.c: Likewise.
2562 * config/arc/arc.md: Likewise.
2563 * config/arm/cortex-a57.md: Likewise.
2564 * config/arm/arm.c: Likewise.
2565 * config/arm/neon.md: Likewise.
2566 * config/arm/arm-c.c: Likewise.
2567 * config/vms/vms-c.c: Likewise.
2568 * config/s390/s390.c: Likewise.
2569 * config/i386/znver1.md: Likewise.
2570 * config/i386/i386.c: Likewise.
2571 * config/ia64/hpux-unix2003.h: Likewise.
2572 * config/msp430/msp430.md: Likewise.
2573 * config/rx/rx.c: Likewise.
2574 * config/rx/rx.md: Likewise.
2575 * config/aarch64/aarch64-simd.md: Likewise.
2576 * config/aarch64/aarch64.c: Likewise.
2577 * config/nvptx/nvptx.c: Likewise.
2578 * config/bfin/bfin.c: Likewise.
2579 * config/cris/cris.opt: Likewise.
2580 * config/rs6000/rs6000.c: Likewise.
2581 * target.h: Likewise.
2582 * spellcheck.c: Likewise.
2583 * ira-build.c: Likewise.
2584 * tree-inline.c: Likewise.
2585 * builtins.c: Likewise.
2586 * lra-constraints.c: Likewise.
2587 * explow.c: Likewise.
2588 * hwint.h: Likewise.
2589 * targhooks.c: Likewise.
2590 * tree-vect-data-refs.c: Likewise.
2592 * doc/tm.texi: Likewise.
2593 * doc/extend.texi: Likewise.
2594 * doc/install.texi: Likewise.
2595 * doc/md.texi: Likewise.
2596 * tree-ssa-tail-merge.c: Likewise.
2597 * sched-int.h: Likewise.
2598 * match.pd: Likewise.
2599 * sched-ebb.c: Likewise.
2600 * target.def (omit_struct_return_reg): Likewise.
2601 * gimple-ssa-isolate-paths.c: Likewise.
2602 (find_implicit_erroneous_behaviour): Renamed to...
2603 (find_implicit_erroneous_behavior): ... this.
2604 (find_explicit_erroneous_behaviour): Renamed to...
2605 (find_explicit_erroneous_behavior): ... this.
2606 (gimple_ssa_isolate_erroneous_paths): Adjust caller.
2608 2016-02-11 Segher Boessenkool <segher@kernel.crashing.org>
2610 PR rtl-optimization/64682
2611 PR rtl-optimization/69567
2612 PR rtl-optimization/69737
2613 * combine.c (distribute_notes) <REG_DEAD>: If the register is set
2614 in I2 as well, just lose it.
2616 2016-02-11 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
2618 * config/aarch64/aarch64.c (aarch64_last_printed_arch_string):
2620 (aarch64_last_printed_tune_string): Likewise.
2621 (aarch64_declare_function_name): Only output .arch assembler
2622 directive if it will be different from the previously output
2623 directive. Same for .tune comment but only if -dA is set.
2624 (aarch64_start_file): New function.
2625 (TARGET_ASM_FILE_START): Define.
2627 2016-02-11 David Malcolm <dmalcolm@redhat.com>
2630 * Makefile.in (PLUGIN_HEADERS): Add params.list.
2632 2016-02-11 Jakub Jelinek <jakub@redhat.com>
2635 * tree-vect-slp.c (vect_schedule_slp_instance): Avoid
2636 -Wmaybe-uninitialized warning.
2638 2016-02-11 Oleg Endo <olegendo@gcc.gnu.org>
2641 * config/sh/sh.md (casesi_worker_0): Add T_REG use.
2643 2016-02-11 Richard Biener <rguenther@suse.de>
2645 PR rtl-optimization/69291
2646 * ifcvt.c (noce_try_store_flag_constants): Do not allow
2647 subexpressions affected by changing the result.
2649 2016-02-10 Vladimir Makarov <vmakarov@redhat.com>
2652 * lra-constraints.c (curr_insn_transform): Find in/out operands
2653 for secondary memory moves. Update dups.
2655 2016-02-10 Yuri Rumyantsev <ysrumyan@gmail.com>
2657 PR tree-optimization/69652
2658 * tree-vect-loop.c (optimize_mask_stores): Move declaration of STMT1
2659 to nested loop, did source re-formatting, skip debug statements,
2660 add check on statement with volatile operand, remove dead scalar
2663 2016-02-10 Jakub Jelinek <jakub@redhat.com>
2664 Patrick Palka <ppalka@gcc.gnu.org>
2668 * gimplify.c (gimplify_modify_expr): Set lhs even for noreturn
2669 calls if the return type is TREE_ADDRESSABLE.
2670 * cgraphunit.c (cgraph_node::expand_thunk): Likewise.
2671 * ipa-split.c (split_function): Fix doubled "we" in comment.
2672 Use void return type for the split part even if
2673 !split_point->split_part_set_retval.
2675 2016-02-10 Bin Cheng <bin.cheng@arm.com>
2677 PR tree-optimization/68021
2678 * tree-ssa-loop-ivopts.c (get_computation_aff): Set ratio to 1 if
2679 when computing the value of biv cand by itself.
2681 2016-02-10 Wilco Dijkstra <wdijkstr@arm.com>
2683 * config/aarch64/aarch64.c (cortexa53_tunings): Enable AES fusion.
2684 (cortexa57_tunings): Likewise.
2685 (cortexa72_tunings): Likewise.
2686 (arch_macro_fusion_pair_p): Add support for AES fusion.
2687 * config/aarch64/aarch64-fusion-pairs.def: Add AES_AESMC entry.
2688 * config/arm/aarch-common.c (aarch_crypto_can_dual_issue):
2689 Allow virtual registers before reload so early scheduling works.
2690 * config/arm/cortex-a57.md (cortex_a57_crypto_simple): Use
2691 correct latency and pipeline.
2692 (cortex_a57_crypto_complex): Likewise.
2693 (cortex_a57_crypto_xor): Likewise.
2694 (define_bypass): Add AES bypass.
2696 2016-02-10 Richard Biener <rguenther@suse.de>
2698 PR tree-optimization/69726
2699 * passes.def: Add DCE pass before late uninit.
2700 * match.pd: Add A ? B : (!A ? C : X) -> A ? B : C patterns to
2701 really fixup if-conversions job.
2703 2016-02-10 Wilco Dijkstra <wdijkstr@arm.com>
2705 * config/arm/arm.c (arm_cortex_a53_tune): Enable AES fusion.
2706 (arm_cortex_a57_tune): Likewise.
2707 (aarch_macro_fusion_pair_p): Add support for AES fusion.
2708 * config/arm/arm-protos.h (fuse_ops): Add FUSE_AES_AESMC.
2710 2016-02-10 Eric Botcazou <ebotcazou@adacore.com>
2712 * timevar.def (TV_PHASE_DBGINFO): Delete.
2713 (TV_PHASE_CHECK_DBGINFO): Likewise.
2714 * varpool.c (varpool_node::assemble_decl): Do not change timevar.
2716 2016-02-10 Richard Biener <rguenther@suse.de>
2718 PR tree-optimization/69719
2719 * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
2720 Adjust previous fix by ensuring that dr_a1 is left of dr_a2.
2722 2016-02-09 Andrew Pinski <apinski@cavium.com>
2725 * optabs-tree.c (expand_vec_cond_expr_p): Don't early return if
2726 get_vcond_mask_icode returns false.
2728 2016-02-09 Michael Meissner <meissner@linux.vnet.ibm.com>
2731 * config/rs6000/predicates.md (fusion_gpr_addis): Prevent fusing
2732 an ADDIS that adds a pointer to a large constant that sets the
2733 upper16 bits with a load operation.
2735 2016-02-09 Charles Baylis <charles.baylis@linaro.org>
2738 * config/arm/arm.c (arm_evpc_neon_vzip): Allow for big endian lane
2740 * config/arm/arm_neon.h (vzipq_s8): Adjust shuffle patterns for big
2742 (vzipq_s16): Likewise.
2743 (vzipq_s32): Likewise.
2744 (vzipq_f32): Likewise.
2745 (vzipq_u8): Likewise.
2746 (vzipq_u16): Likewise.
2747 (vzipq_u32): Likewise.
2748 (vzipq_p8): Likewise.
2749 (vzipq_p16): Likewise.
2751 2016-02-09 Charles Baylis <charles.baylis@linaro.org>
2754 * config/arm/arm.c (neon_endian_lane_map): New function.
2755 (neon_vector_pair_endian_lane_map): New function.
2756 (arm_evpc_neon_vuzp): Allow for big endian lane order.
2757 * config/arm/arm_neon.h (vuzpq_s8): Adjust shuffle patterns for big
2759 (vuzpq_s16): Likewise.
2760 (vuzpq_s32): Likewise.
2761 (vuzpq_f32): Likewise.
2762 (vuzpq_u8): Likewise.
2763 (vuzpq_u16): Likewise.
2764 (vuzpq_u32): Likewise.
2765 (vuzpq_p8): Likewise.
2766 (vuzpq_p16): Likewise.
2768 2016-02-11 Alexandre Oliva <aoliva@redhat.com>
2771 * regstat.c (regstat_bb_compute_calls_crossed): Disregard
2774 2016-02-09 Uros Bizjak <ubizjak@gmail.com>
2776 * config/i386/i386.md (insv<mode>_1): Use gen_int_mode to
2777 truncate const_int operand 1 to QImode.
2779 2016-02-09 Eric Botcazou <ebotcazou@adacore.com>
2781 * gimple-ssa-backprop.c (optimize_phi): Do not replace an argument
2782 corresponding to an abnormal edge.
2784 2016-02-09 Tom de Vries <tom@codesourcery.com>
2786 PR tree-optimization/69599
2787 * tree-ssa-structalias.c (fndecl_maybe_in_other_partition): New
2789 (find_func_aliases_for_builtin_call, find_func_clobbers)
2790 (ipa_pta_execute): Handle case that foo and foo._0 are not in same lto
2793 2016-02-09 Richard Biener <rguenther@suse.de>
2795 PR tree-optimization/69715
2796 * tree-ssa.c (execute_update_addresses_taken): Mark non-decl
2797 LHS on calls as non-rewritable.
2799 2016-02-09 Tom de Vries <tom@codesourcery.com>
2802 * lto-wrapper.c (append_diag_options): New function.
2803 (compile_offload_image): Call append_diag_options.
2805 2016-02-08 Sandra Loosemore <sandra@codesourcery.com>
2808 * doc/extend.texi (Flag Output Operands): Correct sectioning.
2809 Minor copy-edit to fix verb tenses.
2811 2016-02-08 Jakub Jelinek <jakub@redhat.com>
2813 PR tree-optimization/69209
2814 * ipa-split.c (split_function): If split part is not
2815 returning retval, retval has gimple type but is not
2816 gimple value, force it into a SSA_NAME first.
2818 2016-02-08 Nicklas Bo Jensen <nbjensen@gmail.com>
2820 * doc/tree-ssa.texi (Preserving the virtual SSA form): Remove
2823 2016-02-08 Jason Merrill <jason@redhat.com>
2826 * convert.c (convert_to_integer_1): Check dofold on truncation
2828 (convert_to_pointer_maybe_fold, convert_to_real_maybe_fold)
2829 (convert_to_integer_maybe_fold, convert_to_complex_maybe_fold):
2830 Rename from *_nofold.
2831 * convert.h (convert_to_pointer_nofold, convert_to_integer_nofold)
2832 (convert_to_real_nofold, convert_to_complex_nofold): New inlines.
2834 2016-02-08 Bernd Schmidt <bschmidt@redhat.com>
2837 * tree.c (build_common_tree_nodes): Remove short_double argument.
2838 All callers changed.
2839 * tree.h (build_common_tree_nodes): Adjust declaration.
2840 * doc/invoke.texi (-fshort-double): Remove documentation.
2841 * config/mips/t-img-elf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
2842 MULTILIB_EXCEPTIONS): Remove -fshort-double variant.
2843 * lto-wrapper.c (merge_and_complain, append_compiler_options)
2844 (append_linker_options): Don't handle OPT_fshort_double.
2846 PR rtl-optimization/68730
2847 * lra-remat.c (insn_to_cand_activation): New static variable.
2848 (lra_remat): Allocate and free it.
2849 (create_cand): New arg activation. Initialize a field in
2850 insn_to_cand_activation if it is nonnull.
2851 (create_cands): Pass the activation insn to create_cand when making
2852 a candidate involving an output reload. Reorganize code a little.
2853 (do_remat): Keep track of active status of candidates in a separate
2856 2016-02-08 Richard Biener <rguenther@suse.de>
2858 PR tree-optimization/69719
2859 * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
2860 Properly use absolute of the difference of the two offsets to
2861 compare or adjust the segment length.
2863 2016-02-08 Richard Biener <rguenther@suse.de>
2864 Jeff Law <law@redhat.com>
2867 * tree-ssanames.c (make_ssa_name_fn): Always use unqualified
2868 types for anonymous SSA names.
2870 2016-02-08 Richard Biener <rguenther@suse.de>
2872 PR rtl-optimization/69274
2873 * ira.c (ira_setup_alts): Do not change recog_data.operand order.
2875 2016-02-08 Jeff Law <law@redhat.com>
2877 PR tree-optimization/65917
2878 * tree-ssa-dom.c (record_temporary_equivalences): Record both
2879 equivalences from if (x == y) style conditionals.
2880 (loop_depth_of_name): Remove.
2881 (record_equality): Remove loop depth check.
2882 * tree-ssa-scopedtables.h (const_and_copies): Refine comments.
2883 (const_and_copies::record_const_or_copy_raw): New member function.
2884 * tree-ssa-scopedtables.c
2885 (const_and_copies::record_const_or_copy_raw): New, factored out of
2886 (const_and_copies::record_const_or_copy): Call new member function.
2888 2016-02-05 Jeff Law <law@redhat.com>
2890 PR tree-optimization/68541
2891 * gimple-ssa-split-paths.c: Include tree-cfg.h and params.h.
2892 (count_stmts_in_block): New function.
2893 (poor_ifcvt_candidate_code): Likewise.
2894 (is_feasible_trace): Add some heuristics to determine when path
2895 splitting is profitable.
2896 (find_block_to_duplicate_for_splitting_paths): Make sure the graph
2897 is a diamond with a single exit.
2899 2016-02-05 Martin Sebor <msebor@redhat.com>
2902 * doc/invoke.texi: Update -Wplacement-new to take an optional
2905 2016-02-06 Richard Henderson <rth@redhat.com>
2908 * tree.c (tree_nop_conversion_p): Do not strip casts into or
2909 out of non-standard address spaces.
2911 2016-02-05 Jakub Jelinek <jakub@redhat.com>
2913 PR rtl-optimization/69691
2914 * lra-eliminations.c (move_plus_up): Don't add the addend twice.
2916 2016-02-05 Pat Haugen <pthaugen@us.ibm.com>
2918 * config/rs6000/crypto.md (crypto_vpermxor_<mode>): Correct insn type.
2919 * config/rs6000/rs6000.md (mov<mode>_hardfloat): Likewise.
2920 (*ieee128_mfvsrd_64bit): Likewise.
2921 (*ieee128_mfvsrd_32bit): Likewise.
2923 2016-02-05 Ilya Enkovich <enkovich.gnu@gmail.com>
2927 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
2929 * cgraphunit.c (cgraph_node::reset): Clear thunk info and
2930 instrumented_version.
2932 2016-01-05 Jeremy Bennett <jeremy.bennett@embecosm.com>
2934 * doc/invoke.texi (Optimize Options): In table of --param options
2935 rename second occurrence of tracer-min-branch-ratio to
2936 tracer-min-branch-probability, rename
2937 tracer-min-branch-ratio-feedback to
2938 tracer-min-branch-probability-feedback and clarify description,
2939 rename sched-spec-state-edge-prob-cutoff to
2940 sched-state-edge-prob-cutoff, rename selsched-max-insns-to-rename
2941 to selsched-insns-to-rename, rename lto-minpartition to
2942 lto-min-partition, delete reorder-blocks-duplicate and
2943 reorder-blocks-duplicate-feedback.
2945 2016-02-05 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
2947 * config/s390/s390.c (s390_register_info_set_ranges): Remove
2950 2016-02-05 Dominik Vogt <vogt@linux.vnet.ibm.com>
2952 * doc/extend.texi: S/390: Correct some typos.
2954 2016-02-05 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
2956 * config/s390/s390.c (s390_emit_call): Add missing 64 bit check.
2958 2016-02-05 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
2961 * config/s390/s390.c (SAVE_SLOT_NONE, SAVE_SLOT_STACK): New defines.
2962 (s390_register_info_gprtofpr): Use new macros above.
2963 (s390_register_info_stdarg_fpr): Adjust max_fpr to better match
2965 (s390_register_info_stdarg_gpr): Adjust max_gpr to better match
2966 its name. Adjust restore and save gpr ranges.
2967 (s390_register_info_set_ranges): New function.
2968 (s390_register_info): Use new macros above. Call
2969 s390_register_info_set_ranges.
2970 (s390_optimize_register_info): Likewise.
2971 (s390_hard_regno_rename_ok): Use new macros.
2972 (s390_hard_regno_scratch_ok): Likewise.
2973 (s390_emit_epilogue): Likewise.
2974 (s390_can_use_return_insn): Likewise.
2975 (s390_optimize_prologue): Likewise.
2976 * config/s390/s390.md (GPR2_REGNUM, GPR6_REGNUM): New constants.
2978 2016-02-05 Jakub Jelinek <jakub@redhat.com>
2981 * config/i386/i386.c (convert_scalars_to_vector): Readd stack
2983 (ix86_option_override_internal): Disable TARGET_STV even for
2984 -m{incoming,preferred}-stack-boundary=3.
2986 2016-02-03 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
2988 * config.gcc: Mark deprecated rtems targets as obsolete.
2990 2016-02-04 Segher Boessenkool <segher@kernel.crashing.org>
2992 PR rtl-optimization/64682
2993 PR rtl-optimization/69567
2994 * combine.c (distribute_notes) <REG_DEAD>: Place the death note
2995 before I2 only if the register is both used and set in I2.
2997 2016-02-04 DJ Delorie <dj@redhat.com>
2999 * config/msp430/msp430.c (msp430_start_function): Add function type.
3001 2016-02-04 Jakub Jelinek <jakub@redhat.com>
3004 * tree-dfa.c (get_ref_base_and_extent): Remove unreachable code.
3006 2016-02-04 Uros Bizjak <ubizjak@gmail.com>
3008 PR rtl-optimization/69577
3010 2015-10-29 Richard Henderson <rth@redhat.com>
3014 * config/i386/i386.c (ix86_cannot_change_mode_class): Tighten
3015 sse check to the exact conditions of PR 67609.
3017 2016-02-04 Michael Meissner <meissner@linux.vnet.ibm.com>
3020 * config/rs6000/rs6000.md (mov<mode>_64bit_dm): Use 'd' constraint
3021 instead of 'ws', and 'wh' instead of 'wm' since TFmode/IFmode are
3022 not allowed into the traditional Altivec registers.
3023 (movtd_64bit_nodm): Likewise.
3024 (mov<mode>_32bit, FMOVE128_FPR iterator): Likewise.
3026 2016-02-04 David Malcolm <dmalcolm@redhat.com>
3028 * config/aarch64/cortex-a57-fma-steering.c
3029 (aarch64_register_fma_steering): Remove "static" from arguments
3032 2016-02-04 Wilco Dijkstra <wdijkstr@arm.com>
3035 * ccmp.c (expand_ccmp_expr_1): Avoid evaluating gs0/gs1
3038 2016-02-04 Mike Frysinger <vapier@gentoo.org>
3040 * doc/invoke.texi: Delete -mno-fma4.
3042 2016-02-04 Richard Sandiford <richard.sandiford@arm.com>
3044 PR rtl-optimization/69577
3045 * reginfo.c (record_subregs_of_mode): Add a partial_def parameter.
3046 (find_subregs_of_mode): Update accordingly. Iterate over partial
3049 2016-02-04 Alan Lawrence <alan.lawrence@arm.com>
3051 * config/arm/arm-protos.h (neon_reinterpret): Remove.
3052 * config/arm/arm.c (neon_reinterpret): Remove.
3053 * config/arm/arm_neon_builtins.def (vreinterpretv8qi, vreinterpretv4hi,
3054 vreinterpretv2si, vreinterpretv2sf, vreinterpretdi, vreinterpretv16qi,
3055 vreinterpretv8hi, vreinterpretv4si, vreinterpretv4sf, vreinterpretv2di,
3056 vreinterpretti): Remove.
3057 * config/arm/neon.md (neon_vreinterpretv8qi<mode>,
3058 neon_vreinterpretv4hi<mode>, neon_vreinterpretv2si<mode>,
3059 neon_vreinterpretv2sf<mode>, neon_vreinterpretdi<mode>,
3060 neon_vreinterpretti<mode>, neon_vreinterpretv16qi<mode>,
3061 neon_vreinterpretv8hi<mode>, neon_vreinterpretv4si<mode>,
3062 neon_vreinterpretv4sf<mode>, neon_vreinterpretv2di<mode>): Remove.
3063 * config/arm/arm_neon.h (vreinterpret_p8_p16, vreinterpret_p8_f32,
3064 vreinterpret_p8_p64, vreinterpret_p8_s64, vreinterpret_p8_u64,
3065 vreinterpret_p8_s8, vreinterpret_p8_s16, vreinterpret_p8_s32,
3066 vreinterpret_p8_u8, vreinterpret_p8_u16, vreinterpret_p8_u32,
3067 vreinterpret_p16_p8, vreinterpret_p16_f32, vreinterpret_p16_p64,
3068 vreinterpret_p16_s64, vreinterpret_p16_u64, vreinterpret_p16_s8,
3069 vreinterpret_p16_s16, vreinterpret_p16_s32, vreinterpret_p16_u8,
3070 vreinterpret_p16_u16, vreinterpret_p16_u32, vreinterpret_f32_p8,
3071 vreinterpret_f32_p16, vreinterpret_f32_p64, vreinterpret_f32_s64,
3072 vreinterpret_f32_u64, vreinterpret_f32_s8, vreinterpret_f32_s16,
3073 vreinterpret_f32_s32, vreinterpret_f32_u8, vreinterpret_f32_u16,
3074 vreinterpret_f32_u32, vreinterpret_p64_p8, vreinterpret_p64_p16,
3075 vreinterpret_p64_f32, vreinterpret_p64_s64, vreinterpret_p64_u64,
3076 vreinterpret_p64_s8, vreinterpret_p64_s16, vreinterpret_p64_s32,
3077 vreinterpret_p64_u8, vreinterpret_p64_u16, vreinterpret_p64_u32,
3078 vreinterpret_s64_p8, vreinterpret_s64_p16, vreinterpret_s64_f32,
3079 vreinterpret_s64_p64, vreinterpret_s64_u64, vreinterpret_s64_s8,
3080 vreinterpret_s64_s16, vreinterpret_s64_s32, vreinterpret_s64_u8,
3081 vreinterpret_s64_u16, vreinterpret_s64_u32, vreinterpret_u64_p8,
3082 vreinterpret_u64_p16, vreinterpret_u64_f32, vreinterpret_u64_p64,
3083 vreinterpret_u64_s64, vreinterpret_u64_s8, vreinterpret_u64_s16,
3084 vreinterpret_u64_s32, vreinterpret_u64_u8, vreinterpret_u64_u16,
3085 vreinterpret_u64_u32, vreinterpret_s8_p8, vreinterpret_s8_p16,
3086 vreinterpret_s8_f32, vreinterpret_s8_p64, vreinterpret_s8_s64,
3087 vreinterpret_s8_u64, vreinterpret_s8_s16, vreinterpret_s8_s32,
3088 vreinterpret_s8_u8, vreinterpret_s8_u16, vreinterpret_s8_u32,
3089 vreinterpret_s16_p8, vreinterpret_s16_p16, vreinterpret_s16_f32,
3090 vreinterpret_s16_p64, vreinterpret_s16_s64, vreinterpret_s16_u64,
3091 vreinterpret_s16_s8, vreinterpret_s16_s32, vreinterpret_s16_u8,
3092 vreinterpret_s16_u16, vreinterpret_s16_u32, vreinterpret_s32_p8,
3093 vreinterpret_s32_p16, vreinterpret_s32_f32, vreinterpret_s32_p64,
3094 vreinterpret_s32_s64, vreinterpret_s32_u64, vreinterpret_s32_s8,
3095 vreinterpret_s32_s16, vreinterpret_s32_u8, vreinterpret_s32_u16,
3096 vreinterpret_s32_u32, vreinterpret_u8_p8, vreinterpret_u8_p16,
3097 vreinterpret_u8_f32, vreinterpret_u8_p64, vreinterpret_u8_s64,
3098 vreinterpret_u8_u64, vreinterpret_u8_s8, vreinterpret_u8_s16,
3099 vreinterpret_u8_s32, vreinterpret_u8_u16, vreinterpret_u8_u32,
3100 vreinterpret_u16_p8, vreinterpret_u16_p16, vreinterpret_u16_f32,
3101 vreinterpret_u16_p64, vreinterpret_u16_s64, vreinterpret_u16_u64,
3102 vreinterpret_u16_s8, vreinterpret_u16_s16, vreinterpret_u16_s32,
3103 vreinterpret_u16_u8, vreinterpret_u16_u32, vreinterpret_u32_p8,
3104 vreinterpret_u32_p16, vreinterpret_u32_f32, vreinterpret_u32_p64,
3105 vreinterpret_u32_s64, vreinterpret_u32_u64, vreinterpret_u32_s8,
3106 vreinterpret_u32_s16, vreinterpret_u32_s32, vreinterpret_u32_u8,
3107 vreinterpret_u32_u16, vreinterpretq_p8_p16, vreinterpretq_p8_f32,
3108 vreinterpretq_p8_p64, vreinterpretq_p8_p128, vreinterpretq_p8_s64,
3109 vreinterpretq_p8_u64, vreinterpretq_p8_s8, vreinterpretq_p8_s16,
3110 vreinterpretq_p8_s32, vreinterpretq_p8_u8, vreinterpretq_p8_u16,
3111 vreinterpretq_p8_u32, vreinterpretq_p16_p8, vreinterpretq_p16_f32,
3112 vreinterpretq_p16_p64, vreinterpretq_p16_p128, vreinterpretq_p16_s64,
3113 vreinterpretq_p16_u64, vreinterpretq_p16_s8, vreinterpretq_p16_s16,
3114 vreinterpretq_p16_s32, vreinterpretq_p16_u8, vreinterpretq_p16_u16,
3115 vreinterpretq_p16_u32, vreinterpretq_f32_p8, vreinterpretq_f32_p16,
3116 vreinterpretq_f32_p64, vreinterpretq_f32_p128, vreinterpretq_f32_s64,
3117 vreinterpretq_f32_u64, vreinterpretq_f32_s8, vreinterpretq_f32_s16,
3118 vreinterpretq_f32_s32, vreinterpretq_f32_u8, vreinterpretq_f32_u16,
3119 vreinterpretq_f32_u32, vreinterpretq_p64_p8, vreinterpretq_p64_p16,
3120 vreinterpretq_p64_f32, vreinterpretq_p64_p128, vreinterpretq_p64_s64,
3121 vreinterpretq_p64_u64, vreinterpretq_p64_s8, vreinterpretq_p64_s16,
3122 vreinterpretq_p64_s32, vreinterpretq_p64_u8, vreinterpretq_p64_u16,
3123 vreinterpretq_p64_u32, vreinterpretq_p128_p8, vreinterpretq_p128_p16,
3124 vreinterpretq_p128_f32, vreinterpretq_p128_p64, vreinterpretq_p128_s64,
3125 vreinterpretq_p128_u64, vreinterpretq_p128_s8, vreinterpretq_p128_s16,
3126 vreinterpretq_p128_s32, vreinterpretq_p128_u8, vreinterpretq_p128_u16,
3127 vreinterpretq_p128_u32, vreinterpretq_s64_p8, vreinterpretq_s64_p16,
3128 vreinterpretq_s64_f32, vreinterpretq_s64_p64, vreinterpretq_s64_p128,
3129 vreinterpretq_s64_u64, vreinterpretq_s64_s8, vreinterpretq_s64_s16,
3130 vreinterpretq_s64_s32, vreinterpretq_s64_u8, vreinterpretq_s64_u16,
3131 vreinterpretq_s64_u32, vreinterpretq_u64_p8, vreinterpretq_u64_p16,
3132 vreinterpretq_u64_f32, vreinterpretq_u64_p64, vreinterpretq_u64_p128,
3133 vreinterpretq_u64_s64, vreinterpretq_u64_s8, vreinterpretq_u64_s16,
3134 vreinterpretq_u64_s32, vreinterpretq_u64_u8, vreinterpretq_u64_u16,
3135 vreinterpretq_u64_u32, vreinterpretq_s8_p8, vreinterpretq_s8_p16,
3136 vreinterpretq_s8_f32, vreinterpretq_s8_p64, vreinterpretq_s8_p128,
3137 vreinterpretq_s8_s64, vreinterpretq_s8_u64, vreinterpretq_s8_s16,
3138 vreinterpretq_s8_s32, vreinterpretq_s8_u8, vreinterpretq_s8_u16,
3139 vreinterpretq_s8_u32, vreinterpretq_s16_p8, vreinterpretq_s16_p16,
3140 vreinterpretq_s16_f32, vreinterpretq_s16_p64, vreinterpretq_s16_p128,
3141 vreinterpretq_s16_s64, vreinterpretq_s16_u64, vreinterpretq_s16_s8,
3142 vreinterpretq_s16_s32, vreinterpretq_s16_u8, vreinterpretq_s16_u16,
3143 vreinterpretq_s16_u32, vreinterpretq_s32_p8, vreinterpretq_s32_p16,
3144 vreinterpretq_s32_f16, vreinterpretq_s32_f32, vreinterpretq_s32_p64,
3145 vreinterpretq_s32_p128, vreinterpretq_s32_s64, vreinterpretq_s32_u64,
3146 vreinterpretq_s32_s8, vreinterpretq_s32_s16, vreinterpretq_s32_u8,
3147 vreinterpretq_s32_u16, vreinterpretq_s32_u32, vreinterpretq_u8_p8,
3148 vreinterpretq_u8_p16, vreinterpretq_u8_f32, vreinterpretq_u8_p64,
3149 vreinterpretq_u8_p128, vreinterpretq_u8_s64, vreinterpretq_u8_u64,
3150 vreinterpretq_u8_s8, vreinterpretq_u8_s16, vreinterpretq_u8_s32,
3151 vreinterpretq_u8_u16, vreinterpretq_u8_u32, vreinterpretq_u16_p8,
3152 vreinterpretq_u16_p16, vreinterpretq_u16_f32, vreinterpretq_u16_p64,
3153 vreinterpretq_u16_p128, vreinterpretq_u16_s64, vreinterpretq_u16_u64,
3154 vreinterpretq_u16_s8, vreinterpretq_u16_s16, vreinterpretq_u16_s32,
3155 vreinterpretq_u16_u8, vreinterpretq_u16_u32, vreinterpretq_u32_p8,
3156 vreinterpretq_u32_p16, vreinterpretq_u32_f32, vreinterpretq_u32_p64,
3157 vreinterpretq_u32_p128, vreinterpretq_u32_s64, vreinterpretq_u32_u64,
3158 vreinterpretq_u32_s8, vreinterpretq_u32_s16, vreinterpretq_u32_s32,
3159 vreinterpretq_u32_u8, vreinterpretq_u32_u16): Rewrite using casts.
3161 2016-02-04 Martin Liska <mliska@suse.cz>
3164 * asan.c (has_stmt_been_instrumented_p): Instrument gimple calls
3165 that are gimple_store_p.
3166 (maybe_instrument_call): Likewise.
3168 2016-02-04 Bin Cheng <bin.cheng@arm.com>
3170 * config/aarch64/aarch64.c (aarch64_legitimize_address): Force
3171 register scaling out of memory reference and comment why.
3173 2016-02-04 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
3177 * cse.c (cse_insn): Pass NULL to fold_rtx when initially
3178 folding the source of a SET.
3180 2016-02-04 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
3184 * config/arm/arm.c (arm_new_rtx_costs, MULT case): Properly extract
3185 the operands of the SIGN_EXTENDs from a SMUL[TB][TB] rtx.
3187 2016-02-04 Jim Wilson <jim.wilson@linaro.org>
3191 * config/arm/arm.h (PROMOTE_MODE): Don't set UNSIGNEDP for QImode and
3194 2016-02-04 Christian Bruel <christian.bruel@st.com>
3196 * config/arm/arm-c.c (arm_reset_previous_fndecl): Style fix and typo.
3197 * config/arm/arm.c (arm_set_current_function): Likewise.
3199 2016-02-04 Jakub Jelinek <jakub@redhat.com>
3200 Ilya Enkovich <enkovich.gnu@gmail.com>
3201 H.J. Lu <hongjiu.lu@intel.com>
3204 * config/i386/i386.c (convert_scalars_to_vector): Remove
3205 stack alignment fixes.
3206 (ix86_option_override_internal): Disable TARGET_STV if stack
3207 might not be aligned enough.
3208 (ix86_minimum_alignment): Assert that TARGET_STV is false.
3210 2016-02-04 Victoria Stepanyan <victoria.stepanyan@amd.com>
3212 * gcc/config/i386/x86-tune.def: Disable default prefetching
3215 2016-02-03 Michael Meissner <meissner@linux.vnet.ibm.com>
3216 Vladimir Makarov <vmakarov@redhat.com>
3219 * config/rs6000/rs6000.c (rs6000_legitimate_address_p): Fix thinko
3220 in validating fused toc addresses.
3222 2016-02-03 Jakub Jelinek <jakub@redhat.com>
3225 * diagnostic-show-locus.c (layout::get_state_at_point): Don't read
3226 range->m_caret fields if range->m_show_caret_p is false.
3229 * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap):
3230 Force oldval into register if it does not satisfy reg_or_short_operand
3231 predicate. Fix up formatting.
3233 2016-02-03 Vladimir Makarov <vmakarov@redhat.com>
3234 Alexandre Oliva <aoliva@redhat.com>
3237 * lra-constraints.c (simplify_operand_subreg): Check additionally
3238 address validity after potential reloading.
3239 (process_address_1): Check insns validity. In case of failure do
3242 2016-02-03 Kirill Yukhin <kirill.yukhin@intel.com>
3245 * config/i386/sse.md (define_insn "avx512f_maskcmp<mode>3"):
3248 2016-02-02 Jakub Jelinek <jakub@redhat.com>
3250 * wide-int.cc (canonize_uhwi): New function.
3251 (wi::divmod_internal): Use it.
3253 2016-02-02 James Norris <jnorris@codesourcery.com
3255 * gimplify.c (omp_notice_variable): Add usage check.
3257 2016-02-02 Alexander Monakov <amonakov@ispras.ru>
3259 * config/nvptx/nvptx.c (nvptx_print_operand): Treat LEU, GEU, LTU, GTU
3260 like LE, GE, LT, GT when emitting relational operator.
3262 2016-02-02 Wilco Dijkstra <wdijkstr@arm.com>
3264 * ira-costs.c (find_costs_and_classes): Add extra argument.
3265 * target.def (ira_change_pseudo_allocno_class): Add parameter.
3266 * targhooks.h (ira_change_pseudo_allocno_class): Likewise.
3267 * targhooks.c (ira_change_pseudo_allocno_class): Likewise.
3268 * config/aarch64/aarch64.c (aarch64_ira_change_pseudo_allocno_class)
3269 Add best_class parameter, and return it if not ALL_REGS.
3270 * config/mips/mips.c (mips_ira_change_pseudo_allocno_class):
3272 * doc/tm.texi (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS):
3275 2016-02-02 Wilco Dijkstra <wdijkstr@arm.com>
3277 * config/aarch64/aarch64.c
3278 (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS): New define.
3279 (aarch64_ira_change_pseudo_allocno_class): New function.
3281 2016-02-02 Uros Bizjak <ubizjak@gmail.com>
3284 * config/i386/i386.c (geode_cost): Increase cost of MMX and SSE moves.
3286 2016-02-02 Senthil Kumar Selvaraj <senthil_kumar.selvaraj@atmel.com>
3288 * config/avr/avr.c (avr_option_override): Set
3289 PARAM_ALLOW_STORE_DATA_RACES to 1.
3291 2016-02-02 Richard Biener <rguenther@suse.de>
3293 PR tree-optimization/69595
3294 * match.pd: Add range test simplifications to true/false.
3296 2016-02-02 Thomas Schwinge <thomas@codesourcery.com>
3298 * omp-builtins.def (BUILT_IN_GOACC_HOST_DATA): Remove.
3299 * omp-low.c (expand_omp_target): Use BUILT_IN_GOACC_DATA_START
3302 2016-02-02 Richard Biener <rguenther@suse.de>
3304 PR tree-optimization/69606
3305 * tree-ssa-math-opts.c (bswap_replace): Clear flow sensitive
3306 info on the result before moving a stmt.
3308 2016-02-02 Yuri Rumyantsev <ysrumyan@gmail.com>
3311 * config/i386/i386.c (ix86_expand_branch): Add support for conditional
3312 branch with vector comparison.
3313 * config/i386/sse.md (VI48_AVX): New mode iterator.
3314 (define_expand "cbranch<mode>4): Add support for conditional branch
3315 with vector comparison.
3316 * tree-vect-loop.c (optimize_mask_stores): New function.
3317 * tree-vect-stmts.c (vectorizable_mask_load_store): Initialize
3318 has_mask_store field of vect_info.
3319 * tree-vectorizer.c (vectorize_loops): Invoke optimaze_mask_stores for
3320 vectorized loops having masked stores after vec_info destroy.
3321 * tree-vectorizer.h (loop_vec_info): Add new has_mask_store field and
3322 correspondent macros.
3323 (optimize_mask_stores): Add prototype.
3325 2016-02-02 Alan Modra <amodra@gmail.com>
3328 * config/rs6000/predicates.md (quad_int_reg_operand): Don't
3331 2016-02-02 Alan Modra <amodra@gmail.com>
3334 * config/rs6000/rs6000.c (need_toc_init): New var, set it
3335 whenever toc_label_name used.
3336 (rs6000_file_start): Don't set up toc section here,
3337 (rs6000_output_function_epilogue): do so here instead,
3338 (rs6000_xcoff_file_start): and here.
3339 * config/rs6000/rs6000.md (load_toc_aix_si): Set need_toc_init.
3340 (load_toc_aix_di): Likewise.
3342 2016-02-01 Jakub Jelinek <jakub@redhat.com>
3344 PR rtl-optimization/69592
3345 * rtlanal.c (nonzero_bits_binary_arith_p): New inline function.
3346 (cached_nonzero_bits): Use it instead of ARITHMETIC_P.
3347 (num_sign_bit_copies_binary_arith_p): New inline function.
3348 (cached_num_sign_bit_copies): Use it instead of ARITHMETIC_P.
3350 2016-02-01 Jeff Law <law@redhat.com>
3352 PR tree-optimization/69580
3353 * params.def (FSM_MAXIMUM_PHI_ARGUMENTS): New param.
3354 * tree-ssa-threadbackward.c
3355 (fsm_find_control_statement_thread_paths): Do not try to walk
3356 through large PHI nodes.
3358 2016-02-01 Jakub Jelinek <jakub@redhat.com>
3360 * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Return false
3361 when count is incremented above limit, don't analyze further
3364 * omp-low.c (oacc_parse_default_dims): Avoid
3365 -Wsign-compare warning, make sure value fits into int
3366 rather than just unsigned int.
3368 2016-02-01 Bin Cheng <bin.cheng@arm.com>
3370 PR tree-optimization/67921
3371 * fold-const.c (split_tree): New parameters. Convert pointer
3372 type variable part to proper type before negating.
3373 (fold_binary_loc): Pass new arguments to split_tree.
3375 2016-02-01 Nathan Sidwell <nathan@codesourcery.com>
3377 * config/nvptx/nvptx.c (PTX_GANG_DEFAULT): New.
3378 (nvptx_goacc_validate_dims): Extend to handle global defaults.
3379 * target.def (OACC_VALIDATE_DIMS): Extend documentation.
3380 * doc/tm.texti: Rebuilt.
3381 * doc/invoke.texi (fopenacc-dim): Document.
3382 * lto-wrapper.c (merge_and_complain): Add OPT_fopenacc_dim_ case.
3383 (append_compiler_options): Likewise.
3384 * omp-low.c (oacc_default_dims, oacc_min_dims): New.
3385 (oacc_parse_default_dims): New.
3386 (oacc_validate_dims): Add USED arg. Select non-unity default when
3388 (oacc_loop_fixed_partitions): Return mask of used partitions.
3389 (oacc_loop_auto_partitions): Emit dump info.
3390 (oacc_loop_partition): Return mask of used partitions.
3391 (execute_oacc_device_lower): Parse default dimension arg. Adjust
3392 loop partitioning and validation calls.
3394 2016-02-01 Richard Biener <rguenther@suse.de>
3397 * match.pd: Guard (C1/X)*C2 -> (C1*C2)/X with single_use.
3399 2016-02-01 Richard Biener <rguenther@suse.de>
3401 PR tree-optimization/69574
3402 * tree-chrec.c (hide_evolution_in_other_loops_than_loop): Instead
3403 of asserting return chrec_dont_know.
3405 2016-02-01 Martin Liska <mliska@suse.cz>
3407 * mem-stats-traits.h: Add copyright header.
3408 * mem-stats.h: Likewise.
3410 2016-02-01 Richard Biener <rguenther@suse.de>
3412 PR tree-optimization/69579
3413 * tree-ssa-loop-ivcanon.c (propagate_constants_for_unrolling):
3414 Do not propagate through abnormal PHI results.
3416 2016-02-01 Eric Botcazou <ebotcazou@adacore.com>
3418 * postreload.c (reload_cse_simplify): Remove dead code.
3420 2016-02-01 Jakub Jelinek <jakub@redhat.com>
3422 PR rtl-optimization/69570
3423 * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Return true only
3424 if there is more than one set, not if there is a single set.
3426 2016-02-01 Richard Henderson <rth@redhat.com>
3429 * combine.c (make_compound_operation): When looking through a
3430 subreg, make sure to re-extend to the width of the outer mode.
3432 2016-01-30 Jakub Jelinek <jakub@redhat.com>
3434 PR tree-optimization/69546
3435 * wide-int.cc (wi::divmod_internal): For unsigned division
3436 where both operands fit into uhwi, if o1 is 1 and o0 has
3437 msb set, if divident_prec is larger than bits per hwi,
3438 clear another quotient word and return 2 instead of 1.
3439 Similarly for remainder with msb in HWI set, if dividend_prec
3440 is larger than bits per hwi.
3442 2016-01-29 Martin Jambor <mjambor@suse.cz>
3444 * hsa-gen.c (get_memory_order_name): Mask with MEMMODEL_BASE_MASK.
3445 Use short lowercase names.
3446 (get_memory_order): Mask with MEMMODEL_BASE_MASK. Support
3447 MEMMODEL_CONSUME with acquire semantics and MEMMODEL_SEQ_CST with
3448 acq_rel one. Protect warning agains segfaults if
3449 get_memory_order_name returns NULL.
3450 (gen_hsa_ternary_atomic_for_builtin): Support with MEMMODEL_SEQ_CST
3451 with release semantics. Do not warn if get_memory_order already did.
3452 (gen_hsa_insns_for_call): Support with MEMMODEL_SEQ_CST with acquire
3453 semantics. Fix check for relaxed or acquire semantics. Do not warn
3454 if get_memory_order already did.
3456 2016-01-29 Sebastian Pop <s.pop@samsung.com>
3458 * doc/install.texi: Document that isl-0.16 is supported.
3460 2016-01-29 Vladimir Makarov <vmakarov@redhat.com>
3463 * config/i386/constraints.md (Bm): Describe as special memory
3465 * doc/md.texi (DEFINE_SPECIAL_MEMORY_CONSTRAINT): Describe it.
3466 * genoutput.c (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
3467 * genpreds.c (struct constraint_data): Add is_special_memory.
3468 (have_special_memory_constraints, special_memory_start): New
3470 (special_memory_end): Ditto.
3471 (add_constraint): Add new arg is_special_memory. Add code to
3472 process its true value. Update have_special_memory_constraints.
3473 (process_define_constraint): Pass the new arg.
3474 (process_define_register_constraint): Ditto.
3475 (choose_enum_order): Process special memory.
3476 (write_tm_preds_h): Generate enum const CT_SPECIAL_MEMORY and
3477 function insn_extra_special_memory_constraint.
3478 (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
3479 * gensupport.c (process_rtx): Process
3480 DEFINE_SPECIAL_MEMORY_CONSTRAINT.
3481 * ira-costs.c (record_reg_classes): Process CT_SPECIAL_MEMORY.
3482 * ira-lives.c (single_reg_class): Use
3483 insn_extra_special_memory_constraint.
3484 * ira.c (ira_setup_alts): Process CT_SPECIAL_MEMORY.
3485 * lra-constraints.c (process_alt_operands): Ditto.
3486 (curr_insn_transform): Use insn_extra_special_memory_constraint.
3487 * recog.c (asm_operand_ok, preprocess_constraints): Process
3489 * reload.c (find_reloads): Ditto.
3490 * rtl.def (DEFINE_SPECIFAL_MEMORY_CONSTRAINT): New.
3491 * stmt.c (parse_input_constraint): Use
3492 insn_extra_special_memory_constraint.
3494 2016-01-29 H.J. Lu <hongjiu.lu@intel.com>
3497 * lra-splill.c (lra_final_code_change): Revert r229087 by
3498 removing all sub-registers.
3500 2016-01-29 Steve Ellcey <sellcey@imgtec.com>
3503 * config/mips/mips.c (mips_output_division): Check flag_delayed_branch.
3505 2016-01-29 Jakub Jelinek <jakub@redhat.com>
3508 * config/i386/i386.c (ix86_expand_vector_set) <case V4SImode>: For
3509 SSE1, copy target into the temporary reg first before recursing
3512 2016-01-29 H.J. Lu <hongjiu.lu@intel.com>
3514 * config/i386/sse.md (sse2_cvtps2pd<mask_name>): Replace vBm
3517 2016-01-29 Jonathan Wakely <jwakely@redhat.com>
3519 * ginclude/stdarg.h: Test __cplusplus instead of
3520 __GXX_EXPERIMENTAL_CXX0X__.
3522 2016-01-29 Richard Biener <rguenther@suse.de>
3524 PR tree-optimization/69547
3525 * tree-ssa-dce.c (mark_aliased_reaching_defs_necessary_1):
3526 Do not mark clobbers necessary.
3527 (mark_all_reaching_defs_necessary_1): Likewise.
3529 2016-01-29 Dominik Vogt <vogt@linux.vnet.ibm.com>
3531 * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Format
3532 declaration name with %qs and print it in both error messages.
3533 Also fix indentation.
3535 2016-01-29 Dominik Vogt <vogt@linux.vnet.ibm.com>
3538 * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Remove
3539 trailing blank line from error message.
3541 2016-01-29 Jonathan Wakely <jwakely@redhat.com>
3544 * ginclude/float.h: Also provide FLT_EVAL_METHOD and DECIMAL_DIG
3547 2016-01-29 Richard Biener <rguenther@suse.de>
3550 * match.pd: Allow all integral types when simplifying a
3551 widening or sign-changing conversion.
3553 2016-01-28 Sebastian Pop <s.pop@samsung.com>
3555 * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Revert assert
3556 back to setting codegen_error to fail codegen.
3558 2016-01-28 Uros Bizjak <ubizjak@gmail.com>
3561 * config/i386/constraints.md (C): Only accept constant zero operand.
3562 (BC): New constraint.
3563 * config/i386/sse.md (*mov<mode>_internal): Use BC constraint
3564 instead of C constraint.
3565 * doc/md.texi (Machine Constraints): Update description
3568 2016-01-28 Steve Ellcey <sellcey@imgtec.com>
3571 * config/mips/mips.c (and_operands_ok): Add MIPS16 check.
3573 2016-01-28 Jakub Jelinek <jakub@redhat.com>
3576 * lra-remat.c (calculate_local_reg_remat_bb_data): Only consider
3579 2016-01-28 Pat Haugen <pthaugen@us.ibm.com>
3581 * config/rs6000/rs6000.c (output_cbranch): Don't statically predict
3582 branches if using guessed profile.
3584 2016-01-28 H.J. Lu <hongjiu.lu@intel.com>
3586 * graphite-optimize-isl.c (optimize_isl): Fix dump.
3588 2016-01-28 Richard Henderson <rth@redhat.com>
3591 * config/aarch64/aarch64-modes.def (CC_Cmode): New
3592 * config/aarch64/aarch64-protos.h: Update.
3593 * config/aarch64/aarch64.c (aarch64_zero_extend_const_eq): New.
3594 (aarch64_select_cc_mode): Add check for use of CC_Cmode.
3595 (aarch64_get_condition_code_1): Handle CC_Cmode.
3596 * config/aarch64/aarch64.md (addti3): Use adddi3_compareC.
3597 (*add<mode>3_compareC_cconly_imm): New.
3598 (*add<mode>3_compareC_cconly): New.
3599 (*add<mode>3_compareC_imm): New.
3600 (add<mode>3_compareC): New.
3601 (add<mode>3_carryin, *addsi3_carryin_uxtw): Sort compare operand
3602 to be first. Use aarch64_carry_operation.
3603 (*add<mode>3_carryin_alt1, *addsi3_carryin_alt1_uxtw): Remove.
3604 (*add<mode>3_carryin_alt2, *addsi3_carryin_alt2_uxtw): Remove.
3605 (*add<mode>3_carryin_alt3, *addsi3_carryin_alt3_uxtw): Remove.
3606 (subti3): Use subdi3_compare1.
3607 (*sub<mode>3_compare0): Rename from sub<mode>3_compare0.
3608 (sub<mode>3_compare1): New.
3609 (*sub<mode>3_carryin0, *subsi3_carryin_uxtw): New.
3610 (*sub<mode>3_carryin): Use aarch64_borrow_operation.
3611 (*subsi3_carryin_uxtw): Likewise.
3612 (*ngc<mode>, *ngcsi_uxtw): Likewise.
3613 (*sub<mode>3_carryin_alt, *subsi3_carryin_alt_uxtw): New.
3614 * config/aarch64/iterators.md (DWI): New.
3615 * config/aarch64/predicates.md (aarch64_carry_operation): New.
3616 (aarch64_borrow_operation): New.
3618 2016-01-28 Abderrazek Zaafrani <a.zaafrani@samsung.com>
3620 * graphite-optimize-isl.c (optimize_isl): Print a different debug
3621 message when isl does not return a valid schedule.
3623 2016-01-28 Sebastian Pop <s.pop@samsung.com>
3625 * graphite-isl-ast-to-gimple.c (class translate_isl_ast_to_gimple):
3626 Remove comments from class declarations: they are already in the code
3629 2016-01-28 Sebastian Pop <s.pop@samsung.com>
3631 * graphite-isl-ast-to-gimple.c (binary_op_to_tree): Call
3633 (ternary_op_to_tree): Same.
3634 (unary_op_to_tree): Same.
3635 (nary_op_to_tree): Same.
3636 (gcc_expression_from_isl_expr_op): Same.
3637 (gcc_expression_from_isl_expression): Same.
3638 (graphite_create_new_loop): Same.
3639 (graphite_create_new_loop_guard): Same.
3640 (build_iv_mapping): Same.
3641 (graphite_create_new_guard): Same.
3642 (translate_isl_ast_to_gimple::copy_loop_phi_nodes): Same.
3643 (translate_isl_ast_to_gimple::translate_pending_phi_nodes): Same.
3645 2016-01-28 Sebastian Pop <s.pop@samsung.com>
3647 * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Assert
3648 instead of setting codegen_error to fail codegen.
3650 2016-01-28 Jason Merrill <jason@redhat.com>
3652 * tree.h (BINFO_FLAG_0): Rename from BINFO_MARKED.
3654 2016-01-28 Wilco Dijkstra <wdijkstr@arm.com>
3656 * config/aarch64/aarch64.c (aarch64_if_then_else_costs):
3657 Remove CONST_INT_P check in CCMP cost calculation.
3659 2016-01-28 Wilco Dijkstra <wdijkstr@arm.com>
3661 * config/aarch64/aarch64.c (generic_vector_cost):
3662 Set vec_permute_cost.
3663 (cortexa57_vector_cost): Likewise.
3664 (exynosm1_vector_cost): Likewise.
3665 (xgene1_vector_cost): Likewise.
3666 (aarch64_builtin_vectorization_cost): Use vec_permute_cost.
3667 * config/aarch64/aarch64-protos.h (cpu_vector_cost):
3668 Add vec_permute_cost entry.
3670 2016-01-28 Wilco Dijkstra <wdijkstr@arm.com>
3672 * config/aarch64/aarch64.md (ccmp<mode>): Disassemble
3674 (add<mode>3_compare0): Likewise.
3675 (addsi3_compare0_uxtw): Likewise.
3676 (add<mode>3nr_compare0): Likewise.
3677 (compare_neg<mode>): Likewise.
3678 (<optab><mode>3): Likewise.
3680 2016-01-28 Ilya Enkovich <enkovich.gnu@gmail.com>
3682 * tree-vect-stmts.c (vectorizable_comparison): Add
3683 NULL check for vectype.
3685 2016-01-28 Richard Biener <rguenther@suse.de>
3687 PR tree-optimization/69466
3688 * tree-vect-loop-manip.c (slpeel_duplicate_current_defs_from_edges):
3689 Account for PHIs we couldn't duplicate.
3691 2016-01-28 Martin Liska <mliska@suse.cz>
3694 * ggc-common.c (gt_pch_save): Use ENABLE_VALGRIND_ANNOTATIONS macro
3695 instead of ENABLE_VALGRIND_CHECKING.
3697 2016-01-27 Richard Henderson <rth@redhat.com>
3700 * lra-remat.c (subreg_regs): New.
3701 (dump_candidates_and_remat_bb_data): Dump it.
3702 (operand_to_remat): Reject if operand in subreg_regs.
3703 (set_bb_regs): Collect subreg_regs.
3704 (lra_remat): Init and free subreg_regs. Compute
3705 calculate_local_reg_remat_bb_data before create_cands.
3707 2016-01-27 H.J. Lu <hongjiu.lu@intel.com>
3710 * config/i386/i386.c (ix86_update_stack_boundary): Don't
3711 change stack_alignment_needed for __tls_get_addr call.
3713 2016-01-27 Segher Boessenkool <segher@kernel.crashing.org>
3715 * config/rs6000/rs6000.c (print_operand): Rollback 's' removal.
3717 2016-01-27 Jeff Law <law@redhat.com>
3719 PR tree-optimization/68398
3720 PR tree-optimization/69196
3721 * params.def (PARAM_FSM_SCALE_PATH_STMTS): New parameter.
3722 (PARAM_FSM_SCALE_PATH_BLOCKS): Likewise.
3723 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
3724 Only count PHIs in the last block in the path. The others will
3725 const/copy propagate away. Add heuristic to allow more irreducible
3726 subloops to be created when it is likely profitable to do so.
3728 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
3729 Fix typo in comment. Use gsi_after_labels and remove the GIMPLE_LABEL
3730 check from within the loop. Use gsi_next_nondebug rather than gsi_next.
3732 2016-01-27 Jakub Jelinek <jakub@redhat.com>
3735 * sanitizer.def: Add BEGIN_SANITIZER_BUILTINS and
3736 END_SANITIZER_BUILTINS markers using DEF_BUILTIN_STUB.
3737 * asan.c (DEF_BUILTIN_STUB): Temporarily define.
3738 * tree-streamer-in.c: Include asan.h.
3739 (streamer_get_builtin_tree): For builtins in sanitizer
3740 range call initialize_sanitizer_builtins and retry.
3742 2016-01-27 Ian Lance Taylor <iant@google.com>
3744 * common.opt (fkeep-gc-roots-live): New undocumented option.
3745 * tree-ssa-loop-ivopts.c (add_candidate_1): If
3746 -fkeep-gc-roots-live, skip pointers.
3747 (add_iv_candidate_for_biv): Handle add_candidate_1 returning
3750 2016-01-27 Uros Bizjak <ubizjak@gmail.com>
3753 * config/i386/i386.md (*zext<mode>_doubleword_and): New pattern.
3754 (*zext<mode>_doubleword): Disable for TARGET_ZERO_EXTEND_WITH_AND.
3756 2016-01-27 Thomas Klausner <wiz@NetBSD.org>
3759 * configure.ac: NetBSD provides SSP in its C library.
3760 * configure: Updated.
3762 2016-01-27 Richard Biener <rguenther@suse.de>
3764 PR tree-optimization/69166
3765 * tree-vect-loop.c (vect_is_simple_reduction): Always check
3766 reduction code for commutativity / associativity.
3768 2016-01-27 Martin Jambor <mjambor@suse.cz>
3770 PR tree-optimization/69355
3771 * tree-sra.c (analyze_access_subtree): Correct hole detection when
3772 total_scalarization fails.
3774 2016-01-27 David Edelsohn <dje.gcc@gmail.com>
3776 * config/rs6000/driver-rs6000.c (detect_processor_aix): Add
3779 2016-01-27 Christian Bruel <christian.bruel@st.com>
3782 * config/arm/arm-c.c (arm_pragma_target_parse): Add comments.
3783 Move arm_reset_previous_fndecl and set_target_option_current_node in
3784 the conditional part. Call save_restore_target_globals.
3785 * config/arm/arm.c (arm_set_current_function):
3786 Refactor to better support #pragma target and attribute mix.
3787 Call save_restore_target_globals.
3788 * config/arm/arm-protos.h (save_restore_target_globals): New function.
3790 2016-01-27 Martin Liska <mliska@suse.cz>
3792 * hsa.c (hsa_summary_t::link_functions): Create IPA_REF_ADDR
3793 reference for an HSA kernel and its host function.
3795 2016-01-27 Jakub Jelinek <jakub@redhat.com>
3797 PR tree-optimization/69399
3798 * wide-int.h (wi::lrshift): For larger precisions, only
3799 use fast path if shift is known to be < HOST_BITS_PER_WIDE_INT.
3801 2016-01-27 Claudiu Zissulescu <claziss@synopsys.com>
3803 * config/arc/predicates.md (proper_comparison_operator): Reject
3804 constant-constant comparison.
3806 2016-01-26 Tom de Vries <tom@codesourcery.com>
3808 PR tree-optimization/69110
3809 * tree-data-ref.c (initialize_data_dependence_relation): Handle
3810 DR_NUM_DIMENSIONS == 0.
3812 2016-01-26 Abderrazek Zaafrani <a.zaafrani@samsung.com>
3813 Sebastian Pop <s.pop@samsung.com>
3815 * graphite-isl-ast-to-gimple.c (ternary_op_to_tree): Handle
3816 isl_ast_op_cond and isl_ast_op_select.
3817 (gcc_expression_from_isl_expr_op): Same.
3819 2016-01-26 Jason Merrill <jason@redhat.com>
3822 * tree.c (recompute_constructor_flags): Split out from
3824 (verify_constructor_flags): New.
3825 * tree.h: Declare them.
3827 2016-01-26 Iain Buclaw <ibuclaw@gdcproject.org>
3829 PR rtl-optimization/69217
3830 * var-tracking.c (tracked_record_parameter_p): Don't segfault if there
3831 are no TYPE_FIELDS set for the record type.
3833 2016-01-26 Jakub Jelinek <jakub@redhat.com>
3836 * config/rs6000/rs6000.c (rs6000_option_override_internal): Initialize
3837 toc_label_name unconditionally.
3838 (rs6000_emit_load_toc_table): Call ggc_strdup on toc_label_name for
3839 SYMBOL_REF string. Use toc_label_name instead of constructing
3841 (rs6000_elf_declare_function_name): Use toc_label_name instead of
3842 constructing LCTOC1.
3844 2016-01-26 Martin Sebor <msebor@redhat.com>
3847 * doc/extend.texi (Common Type Attributes): Move text that talks about
3848 attribute packed from attribute aligned to the section discussing
3849 the former attribute for clarity.
3851 2016-01-26 Richard Henderson <rth@redhat.com>
3854 * trans-mem.c (tm_region_init): Mark entry block as visited.
3856 2016-01-26 David Malcolm <dmalcolm@redhat.com>
3859 * diagnostic-show-locus.c (layout::print_source_line): Replace
3860 call to pp_newline with call to layout::print_newline.
3861 (layout::print_annotation_line): Likewise.
3862 (layout::move_to_column): Likewise.
3863 (layout::print_any_fixits): After printing any fixits, print a
3864 trailing newline, if necessary.
3865 (layout::print_newline): New method, resetting any colorization
3867 (diagnostic_show_locus): Move the pp_newline to before the
3868 early bailout. Remove dummy block enclosing the layout instance.
3869 * diagnostic.c (default_diagnostic_finalizer): Replace invocation
3870 of pp_newline_and_flush with pp_flush.
3871 (diagnostic_append_note): Delete use of pp_newline.
3872 (diagnostic_append_note_at_rich_loc): Delete.
3873 * diagnostic.h (diagnostic_append_note_at_rich_loc): Delete.
3874 * pretty-print.h (output_buffer_append_r): Reset buff->line_length
3875 when newline characters are added to the buffer.
3877 2016-01-26 Michael Matz <matz@suse.de>
3879 * configure.ac (ac_cv_std_swap_in_utility): New test.
3880 * system.h (<algorithm>): Check HAVE_SWAP_IN_UTILITY as well.
3881 * configure: Regenerate.
3882 * config.in: Regenerate.
3884 2016-01-26 Claudiu Zissulescu <claziss@synopsys.com>
3886 * config/arc/arc.md (cstoresi4): Force operand into register.
3887 (arcset<code>): Fix predicate.
3888 (arcsetltu): Likewise.
3889 (arcsetgeu): Likewise.
3890 (arcsethi): Likewise.
3891 (arcsetls): Likewise.
3893 2016-01-26 Jakub Jelinek <jakub@redhat.com>
3895 PR tree-optimization/69483
3896 * gimple-fold.c (canonicalize_constructor_val): Return NULL
3897 if base has error_mark_node type.
3899 2016-01-26 Christophe Lyon <christophe.lyon@linaro.org>
3902 * config/arm/arm.c (neon_valid_immediate): Handle FP16 vectors.
3903 * config/arm/arm_neon.h (__ARM_NUM_LANES, __arm_lane, arm_lanq):
3905 (vget_lane_f16): Handle big-endian.
3906 (vgetq_lane_f16): Likewise.
3907 (vset_lane_f16): Likewise.
3908 (vsetq_lane_f16): Likewise.
3909 * config/arm/iterators.md (VQXMOV): Add V8HF.
3910 (VDQ): Add V4HF and V8HF.
3911 (V_reg): Handle V4HF and V8HF.
3912 (Is_float_mode): Likewise.
3913 * config/arm/neon.md (movv4hf, movv8hf, neon_vdup_nv4hf,
3914 neon_vdup_nv8hf): New patterns.
3915 (vec_set<mode>_internal, vec_extract<mode>, neon_vld1_dup<mode>):
3916 Use VD_LANE iterator.
3917 (neon_vld1_dup<mode>): Use VQ2 iterator.
3919 2016-01-26 Nathan Sidwell <nathan@acm.org>
3921 * omp-low.h (oacc_fn_attrib_kernels_p): Declare.
3922 (set_oacc_fn_attrib): Add IS_KERNEL arg.
3923 * omp-low.c (set_oacc_fn_attrib): Add IS_KERNEL arg.
3924 (oacc_fn_attrib_kernels_p, oacc_fn_attrib_level): New.
3925 (expand_omp_target): Pass is_kernel to set_oacc_fn_attrib.
3926 (oacc_validate_dims): Add LEVEL arg, don't return level.
3927 (new_oacc_loop_routine): Use oacc_fn_attrib_level, not
3929 (execute_oacc_device_lower): Adjust, add more dump output.
3930 * tree-ssa-loop.c (gate_oacc_kernels): Use
3931 oacc_fn_attrib_kernels_p.
3932 * tree-parloops.c (create_parallel_loop): Adjust
3933 set_oacc_fn_attrib call.
3935 2016-01-26 Jakub Jelinek <jakub@redhat.com>
3938 * lto-wrapper.c (merge_and_complain): Handle -fcilkplus.
3939 (append_compiler_options): Handle -fcilkplus.
3940 (append_linker_options): Ignore -fno-{openmp,openacc,cilkplus}.
3942 2016-01-26 Nick Clifton <nickc@redhat.com>
3945 * config/i386/winnt.c (i386_pe_binds_local_p): If a function has
3946 been marked as DECL_ONE_ONLY but we do not the means to make it
3947 so, then do not allow it to bind locally.
3949 2016-01-26 Jakub Jelinek <jakub@redhat.com>
3952 * opts.h (parse_sanitizer_options): New prototype.
3953 * opts.c (sanitizer_opts): New array.
3954 (parse_sanitizer_options): New function.
3955 (common_handle_option): Use parse_sanitizer_options.
3957 2016-01-26 H.J. Lu <hongjiu.lu@intel.com>
3960 * config/i386/i386.c (ix86_compute_frame_layout): Move stack
3961 alignment adjustment to ...
3962 (ix86_update_stack_boundary): Here. Don't over-align stack for
3964 (ix86_finalize_stack_realign_flags): Use stack_alignment_needed
3965 if __tls_get_addr is called.
3967 2016-01-26 Christian Bruel <christian.bruel@st.com>
3969 * doc/sourcebuild.texi (arm_crypto_pragma_ok): Remove.
3971 2016-01-26 Eric Botcazou <ebotcazou@adacore.com>
3973 * config/ia64/ia64.c (ia64_expand_vecint_compare): Use gen_int_mode.
3975 2016-01-26 Richard Biener <rguenther@suse.de>
3978 * match.pd: Guard X * CST CMP 0 pattern with single_use.
3980 2016-01-26 Richard Biener <rguenther@suse.de>
3982 PR tree-optimization/69452
3983 * tree-ssa-loop-im.c (move_computations_dom_walker): Remove.
3984 (move_computations_dom_walker::before_dom_children): Rename
3986 (move_computations_worker): This.
3987 (move_computations): Perform an RPO rather than a DOM walk.
3989 2016-01-26 Jakub Jelinek <jakub@redhat.com>
3992 * combine.c (combine_instructions): For REG_EQUAL note with
3993 SET_DEST being ZERO_EXTRACT, also temporarily set SET_DEST
3994 to the underlying register.
3995 * doc/rtl.texi (REG_EQUAL): Document the behavior of
3996 REG_EQUAL/REG_EQUIV notes if SET_DEST is ZERO_EXTRACT.
3998 2016-01-26 Roger Ferrer Ibáñez <rofirrim@gmail.com>
4001 * config/aarch64/aarch64-builtins.c
4002 (aarch64_init_simd_builtin_types): Do not set structural
4003 equality to __Poly{8,16,64,128}_t types.
4005 2016-01-26 Richard Sandiford <richard.sandiford@arm.com>
4007 PR tree-optimization/69400
4008 * wide-int.cc (wi_pack): Take the precision as argument and
4009 perform canonicalization here rather than in the callers.
4010 Use the main loop to handle all full-width HWIs. Add a
4011 zero HWI if in_len isn't a full result.
4012 (wi::divmod_internal): Update accordingly.
4013 (wi::mul_internal): Likewise. Simplify.
4015 2016-01-25 Aditya Kumar <aditya.k7@samsung.com>
4016 Sebastian Pop <s.pop@samsung.com>
4018 * graphite-poly.c (apply_poly_transforms): Simplify.
4019 (print_isl_set): Use more readable format: ISL_YAML_STYLE_BLOCK.
4020 (print_isl_map): Same.
4021 (print_isl_union_map): Same.
4022 (print_isl_schedule): New.
4023 (debug_isl_schedule): New.
4024 * graphite-dependences.c (scop_get_reads): Do not call
4025 isl_union_map_add_map that is undocumented isl functionality.
4026 (scop_get_must_writes): Same.
4027 (scop_get_may_writes): Same.
4028 (scop_get_original_schedule): Remove.
4029 (scop_get_dependences): Do not call isl_union_map_compute_flow that
4030 is deprecated in isl 0.15. Instead, use isl_union_access_* interface.
4031 (compute_deps): Remove.
4032 * graphite-isl-ast-to-gimple.c (print_schedule_ast): New.
4033 (debug_schedule_ast): New.
4034 (translate_isl_ast_to_gimple::scop_to_isl_ast): Call
4035 set_separate_option.
4036 (graphite_regenerate_ast_isl): Add dump.
4037 (translate_isl_ast_to_gimple::scop_to_isl_ast): Generate code
4038 from scop->transformed_schedule.
4039 (graphite_regenerate_ast_isl): Add more dump.
4040 * graphite-optimize-isl.c (optimize_isl): Set
4041 scop->transformed_schedule. Check whether schedules are equal.
4042 (apply_poly_transforms): Move here.
4043 * graphite-poly.c (apply_poly_transforms): ... from here.
4044 (free_poly_bb): Static.
4045 (free_scop): Static.
4046 (pbb_number_of_iterations_at_time): Remove.
4047 (print_isl_ast): New.
4048 (debug_isl_ast): New.
4049 (debug_scop_pbb): New.
4050 * graphite-scop-detection.c (print_edge): Move.
4052 * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Remove.
4053 (build_scop_scattering): Remove.
4054 (create_pw_aff_from_tree): Assert instead of bailing out.
4055 (add_condition_to_pbb): Remove unused code, do not fail.
4056 (add_conditions_to_domain): Same.
4057 (add_conditions_to_constraints): Remove.
4058 (build_scop_context): New.
4059 (add_iter_domain_dimension): New.
4060 (build_iteration_domains): Initialize pbb->iterators.
4061 Call add_conditions_to_domain.
4064 (index_outermost_in_loop): New.
4065 (index_pbb_in_loop): New.
4066 (outermost_pbb_in): New.
4067 (add_in_sequence): New.
4068 (add_outer_projection): New.
4069 (outer_projection_mupa): New.
4070 (add_loop_schedule): New.
4071 (build_schedule_pbb): New.
4072 (build_schedule_loop): New.
4073 (embed_in_surrounding_loops): New.
4074 (build_schedule_loop_nest): New.
4075 (build_original_schedule): New.
4076 (build_poly_scop): Call build_original_schedule.
4077 * graphite.h: Declare print_isl_schedule and debug_isl_schedule.
4078 (free_poly_dr): Remove.
4079 (struct poly_bb): Add iterators. Remove schedule, transformed, saved.
4080 (free_poly_bb): Remove.
4081 (debug_loop_vec): Remove.
4082 (print_isl_ast): Declare.
4083 (debug_isl_ast): Declare.
4084 (scop_do_interchange): Remove.
4085 (scop_do_strip_mine): Remove.
4086 (scop_do_block): Remove.
4087 (flatten_all_loops): Remove.
4088 (optimize_isl): Remove.
4089 (pbb_number_of_iterations_at_time): Remove.
4090 (debug_scop_pbb): Declare.
4091 (print_schedule_ast): Declare.
4092 (debug_schedule_ast): Declare.
4093 (struct scop): Remove schedule. Add original_schedule,
4094 transformed_schedule.
4095 (free_gimple_poly_bb): Remove.
4096 (print_generated_program): Remove.
4097 (debug_generated_program): Remove.
4098 (unify_scattering_dimensions): Remove.
4099 * sese.c (print_edge): ... here.
4100 (print_sese): ... here.
4101 (debug_edge): ... here.
4102 (debug_sese): ... here.
4103 * sese.h (print_edge): Declare.
4104 (print_sese): Declare.
4105 (dump_edge): Declare.
4106 (dump_sese): Declare.
4108 2016-01-25 Aditya Kumar <aditya.k7@samsung.com>
4109 Sebastian Pop <s.pop@samsung.com>
4111 * Makefile.in: Set ISLVER in site.exp.
4113 2016-01-25 Jakub Jelinek <jakub@redhat.com>
4115 * omp-low.c (lower_omp_target) <case USE_DEVICE_PTR>: Set
4116 DECL_VALUE_EXPR of new_var even for the non-array case. Look
4117 through DECL_VALUE_EXPR for expansion.
4119 2016-01-25 Bernd Edlinger <bernd.edlinger@hotmail.de>
4121 * config/mips/mips.c (mips_compute_frame_info): Skip re-computing
4122 the frame info after reload completed.
4124 2016-01-25 Jeff Law <law@redhat.com>
4126 PR tree-optimization/69196
4127 PR tree-optimization/68398
4128 * tree-ssa-threadupdate.h (enum bb_dom_status): Moved here from
4129 tree-ssa-threadupdate.c.
4130 (determine_bb_domination_status): Prototype
4131 * tree-ssa-threadupdate.c (enum bb_dom_status): Remove
4132 (determine_bb_domination_status): No longer static.
4133 (valid_jump_thread_path): Remove code to detect characteristics
4134 of the jump thread path not associated with correctness.
4135 * tree-ssa-threadbackward.c (fsm_find_control_statment_thread_paths):
4136 Correct test for thread path length. Count PHIs for real operands as
4137 statements that need to be copied. Do not count ASSERT_EXPRs.
4138 Look at all the blocks in the thread path. Compute and selectively
4139 filter thread paths based on threading through the latch, threading
4140 a multiway branch or crossing a multiway branch.
4142 2016-01-25 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
4144 * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled): Add
4145 decl with __attribute__ ((unused)) annotation.
4147 2016-01-25 Ilya Enkovich <enkovich.gnu@gmail.com>
4150 * tree-vect-stmts.c (vectorizable_condition): Check vectype
4151 of operands is compatible with a statement vectype.
4153 2016-01-25 Eric Botcazou <ebotcazou@adacore.com>
4155 * doc/extend.texi (scalar_storage_order type attribute): Fix typo and
4156 improve wording for mixed storage order support.
4158 2016-01-25 Bilyan Borisov <bilyan.borisov@arm.com>
4160 * config/aarch64/arm_neon.h (vcvt_s64_f64): New intrinsic.
4161 (vcvt_u64_f64): Likewise.
4162 (vcvta_s64_f64): Likewise.
4163 (vcvta_u64_f64): Likewise.
4164 (vcvtm_s64_f64): Likewise.
4165 (vcvtm_u64_f64): Likewise.
4166 (vcvtn_s64_f64): Likewise.
4167 (vcvtn_u64_f64): Likewise.
4168 (vcvtp_s64_f64): Likewise.
4169 (vcvtp_u64_f64): Likewise.
4171 2016-01-25 Claudiu Zissulescu <claziss@synopsys.com>
4173 * config/arc/arc.c (TARGET_DWARF_REGISTER_SPAN): Define.
4174 (arc_init): Check validity mll64 option.
4175 (arc_save_restore): Use double load/store instruction.
4176 (arc_expand_movmem): Likewise.
4177 (arc_split_move): Don't split if we have double load/store
4178 instructions. Returns a boolean.
4179 (arc_process_double_reg_moves): Change function to return boolean
4180 instead of a sequence of instructions.
4181 (arc_dwarf_register_span): New function.
4182 * config/arc/arc-protos.h (arc_split_move): Change prototype.
4183 * config/arc/arc.h (TARGET_CPU_CPP_BUILTINS): Define __ARC_LL64__.
4184 * config/arc/arc.md (*movdi_insn): Emit ldd/std instructions.
4185 (*movdf_insn): Likewise.
4186 * config/arc/arc.opt (mll64): New option.
4187 * config/arc/predicates.md (even_register_operand): New predicate.
4188 * doc/invoke.texi (ARC Options): Add mll64 documentation.
4190 2016-01-25 Richard Biener <rguenther@suse.de>
4193 * dwarf2out.c (is_naming_typedef_decl): Not when DECL_NAMELESS.
4194 * tree-streamer-out.c (pack_ts_base_value_fields): Stream
4196 * tree-streamer-in.c (unpack_ts_base_value_fields): Likewise.
4198 2016-01-25 Richard Biener <rguenther@suse.de>
4200 PR tree-optimization/69376
4201 * tree-ssa-sccvn.h (struct vn_ssa_aux): Add range_info_anti_range_p
4203 (VN_INFO_ANTI_RANGE_P): New inline.
4204 (VN_INFO_RANGE_TYPE): Likewise.
4205 * tree-ssa-sccvn.c (set_ssa_val_to): Also record and copy
4206 SSA_NAME_ANTI_RANGE_P.
4207 (free_scc_vn): Restore SSA_NAME_ANTI_RANGE_P.
4208 * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
4209 Properly query VN_INFO_RANGE_TYPE.
4211 2016-01-25 Nick Clifton <nickc@redhat.com>
4214 * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Remove definition.
4216 2016-01-23 Tom de Vries <tom@codesourcery.com>
4218 PR tree-optimization/69426
4219 * tree-parloops.c (eliminate_local_variables_stmt): Handle vdef of
4222 2016-01-23 Jakub Jelinek <jakub@redhat.com>
4224 * tree-ssanames.c (release_free_names_and_compact_live_names): Replace
4225 "the the" with "the" in the comments.
4226 * ipa-devirt.c (build_type_inheritance_graph,
4227 update_type_inheritance_graph): Likewise.
4228 * tree.c (build_function_type_list_1): Likewise.
4229 * cfgloopmanip.c (scale_loop_profile): Likewise.
4230 * tree-ssa-loop-ivopts.c (get_shiftadd_cost): Likewise.
4231 * gimple-ssa-split-paths.c
4232 (find_block_to_duplicate_for_splitting_paths): Likewise.
4233 * tree-sra.c (init_subtree_with_zero, clobber_subtree): Likewise.
4234 * expr.c (convert_move): Likewise.
4235 * var-tracking.c (vt_stack_adjustments): Likewise.
4236 * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Likewise.
4237 * tree-vrp.c (test_for_singularity): Likewise.
4239 * tree-vect-stmts.c (vectorizable_condition): Build a VEC_COND_EXPR
4240 directly instead of building a temporary tree.
4243 * genrecog.c: Define INCLUDE_ALGORITHM before including system.h,
4244 remove <algorithm> include.
4246 2016-01-22 Jakub Jelinek <jakub@redhat.com>
4249 * config/i386/i386.c: Include dojump.h.
4250 (expand_small_movmem_or_setmem,
4251 expand_set_or_movmem_prologue_epilogue_by_misaligned_moves): Spelling
4253 (ix86_expand_set_or_movmem): Call do_pending_stack_adjust () early
4254 if dynamic_check != -1.
4256 2016-01-21 Jeff Law <law@redhat.com>
4259 * tree-ssa-dom.c (back_propagate_equivalences): Factored out of
4260 record_temporary_equivalences. Rewritten to avoid unnecessary calls
4261 into dominated_by_p.
4262 (cprop_into_successor_phis): Avoid unnecessary tests.
4264 2016-01-22 Richard Henderson <rth@redhat.com>
4267 * config/aarch64/aarch64.md (UNSPEC_NZCV): New.
4268 (ccmp<mode>, fccmp<mode>, fccmpe<mode>): Use it.
4270 2016-01-22 Michael Matz <matz@suse.de>
4272 * system.h (string, algorithm): Include only conditionally.
4273 (new): Include always under C++.
4274 * bb-reorder.c (toplevel): Define INCLUDE_ALGORITHM.
4275 * final.c (toplevel): Ditto.
4276 * ipa-chkp.c (toplevel): Define INCLUDE_STRING.
4277 * genconditions.c (write_header): Make gencondmd.c define
4279 * mem-stats.h (mem_usage::print_dash_line): Don't use std::string.
4281 * config/aarch64/aarch64.c (toplevel): Define INCLUDE_STRING.
4282 * common/config/aarch64/aarch64-common.c (toplevel): Ditto.
4284 2016-01-22 Christian Bruel <christian.bruel@st.com>
4287 * expr.c (expand_expr_real_1): Reset DECL_MODE if VECTOR_TYPE_P changed.
4289 2016-01-22 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
4292 * config/arm/thumb2.md (*thumb2_ior_scc_strict_it): Convert to
4293 define_insn_and_split. Ensure operands[1] and operands[0] do not
4294 get assigned the same register.
4296 2016-01-22 Kugan Vivekanandarajah <kuganv@linaro.org>
4298 * ipa-prop.c (ipa_set_jf_constant): Remove redundant unshare_expr.
4300 2016-01-22 Christian Bruel <christian.bruel@st.com>
4302 * config/arm/arm-c.c (arm_pragma_target_parse):
4303 Remove warn_builtin_macro_redefined overwrite.
4305 2016-01-22 Eric Botcazou <ebotcazou@adacore.com>
4307 * ipa-inline.c (can_inline_edge_p): Back out overzealous check on
4308 flag_non_call_exceptions compatibility.
4310 2016-01-22 Jakub Jelinek <jakub@redhat.com>
4313 * dwarf2out.c (add_child_die_after): New function.
4314 (dwarf_qual_info_t): New type.
4315 (dwarf_qual_info): New variable.
4316 (qualified_die_p): New function.
4317 (modified_type_die): For -fdebug-types-section, ensure
4318 canonical order of qualifiers. Put qualified DIEs adjacent
4319 to the corresponding non-qualified type DIE and search there
4320 for existing qualified DIEs.
4322 2016-01-22 Eric Botcazou <ebotcazou@adacore.com>
4324 * doc/extend.texi (scalar_storage_order type attribute): Document
4325 restriction on type punning and aliasing, and remove future tense.
4327 2016-01-21 Roman Zhuykov <zhroma@ispras.ru>
4330 * modulo-sched.c (optimize_sc): Allow branch-scheduling to add a new
4333 2016-01-21 Jeff Law <law@redhat.com>
4336 * tree-ssa-dom.c (dom_opt_dom_walker::thread_across_edge): Avoid
4337 useless call to record_temporary_equivalences.
4338 * tree-ssa-threadbackward.c (find_jump_threads_backwards): Just
4339 allocate 10 slots in the bb_path vector and let it grow as needed.
4340 (fsm_find_control_statement_thread_paths): Similarly for the next_path
4343 2016-01-21 David Edelsohn <dje.gcc@gmail.com>
4345 * configure.ac (gcc_cv_as_powerpc_mfcrf, gcc_cv_as_machine_directive):
4347 * configure: Regenerate.
4349 2016-01-21 Pat Haugen <pthaugen@us.ibm.com>
4351 * config/rs6000/aix71.h (ASM_CPU_SPEC): Add entry for Power9.
4352 * config/rs6000/driver-rs6000.c (struct asm_names): Likewise.
4354 2016-01-21 Bernd Schmidt <bschmidt@redhat.com>
4357 * expr.c (expand_expr_real_2) [PLUS_EXPR, MINUS_EXPR]: Don't
4358 drop EXPAND_INITIALIZER.
4359 * rtl.h (contains_symbolic_reference_p): Declare.
4360 * rtlanal.c (contains_symbolic_reference_p): New function.
4361 * simplify-rtx.c (simplify_binary_operation_1): Don't turn
4362 a subtraction into a NOT if symbolic constants are involved.
4364 2016-01-21 Anton Blanchard <anton@samba.org>
4365 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
4368 * config/rs6000/linux64.h (TARGET_KEEP_LEAF_WHEN_PROFILED): New
4370 * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled): New
4373 2016-01-21 Ajit Agarwal <ajitkum@xilinx.com>
4375 * config/microblaze/microblaze.c
4376 (get_branch_target): New.
4377 (insert_wic_for_ilb_runout): New.
4379 (microblaze_machine_dependent_reorg): New.
4380 (TARGET_MACHINE_DEPENDENT_REORG): Define macro.
4381 * config/microblaze/microblaze.md
4382 (UNSPEC_IPREFETCH): Define.
4383 (iprefetch): New pattern
4384 * config/microblaze/microblaze.opt
4385 (mxl-prefetch): New flag.
4387 2016-01-21 Ajit Agarwal <ajitkum@xilinx.com>
4389 * config/microblaze/microblaze.h
4390 (FIXED_REGISTERS): Update in macro.
4391 (CALL_USED_REGISTERS): Update in macro.
4393 2016-01-21 Yuri Rumyantsev <ysrumyan@gmail.com>
4395 PR rtl-optimization/68920
4396 * ifcvt.c (cond_move_process_if_block): Limit number of conditional
4399 2016-01-21 Vladimir Makarov <vmakarov@redhat.com>
4401 PR rtl-optimization/68990
4402 * lra-coalesce.c (lra_coalesce): Invalidate value for the result
4403 pseudo instead of inheritance ones.
4405 2016-01-21 Bernd Edlinger <bernd.edlinger@hotmail.de>
4406 Nick Clifton <nickc@redhat.com>
4410 * config/mips/mips.c (mips_compute_frame_info): Initialise
4411 args_size and hard_frame_pointer_offset fields of the frame
4412 structure before calling mips_global_pointer.
4414 2016-01-21 David Edelsohn <dje.gcc@gmail.com>
4416 * configure.ac (gcc_cv_as_dwloc): Test support for debug frame section
4418 * configure: Regenerate.
4420 2016-01-21 Richard Biener <rguenther@suse.de>
4422 * graphite-optimize-isl.c (get_schedule_map): Fix typo.
4424 2016-01-21 Marcin Kościelnicki <koriakin@0x04.net>
4426 * config/s390/s390.c (s390_asm_declare_function_size): Add code
4427 to actually emit the .size directive.
4429 2016-01-21 Stefan Sørensen <stefan.sorensen@spectralink.com>
4430 Jakub Jelinek <jakub@redhat.com>
4434 * config/arm/arm-builtins.c (arm_expand_neon_builtin): Increase
4435 args array size by one to avoid buffer overflow.
4437 2016-01-21 Marcin Kościelnicki <koriakin@0x04.net>
4439 * config/s390/s390.md (pool_section_start): Use switch_to_section
4440 to select proper read-only data section instead of hardcoding
4442 (pool_section_end): Use switch_to_section to match the above.
4444 2016-01-21 Richard Biener <rguenther@suse.de>
4446 PR tree-optimization/69378
4447 * tree-ssa-sccvn.c (dominated_by_p_w_unex): New function.
4448 (set_ssa_val_to): Use it for dominance checks taking into
4449 account not executable edges.
4451 2016-01-21 Jakub Jelinek <jakub@redhat.com>
4454 * tree-dfa.c (get_ref_base_and_extent): Use GET_MODE_BITSIZE (mode)
4455 for bitsize instead of GET_MODE_PRECISION (mode).
4457 2016-01-20 Martin Sebor <msebor@redhat.com>
4460 * extend.texi (__sync Builtins): Clarify the semantics of
4461 __sync_fetch_and_OP built-ins on pointers.
4462 (__atomic Builtins): Same.
4464 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
4465 Sebastian Pop <s.pop@samsung.com>
4467 * graphite-isl-ast-to-gimple.c (enum phi_node_kind): New.
4468 (class translate_isl_ast_to_gimple): Use phi_node_kind instead of bool.
4469 (is_valid_rename): Same.
4470 (translate_isl_ast_to_gimple::get_rename): Same.
4471 (translate_isl_ast_to_gimple::rename_all_uses): Same.
4472 (translate_isl_ast_to_gimple::rename_uses): Same.
4473 (get_new_name): Check for close_phi nodes.
4474 (copy_loop_phi_args): Use phi_node_kind.
4475 (translate_isl_ast_to_gimple::copy_loop_close_phi_args): Same.
4476 (translate_isl_ast_to_gimple::copy_cond_phi_args): Same.
4478 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
4479 Sebastian Pop <s.pop@samsung.com>
4481 Revert commit r229783.
4482 * graphite-isl-ast-to-gimple.c (gcc_expression_from_isl_ast_expr_id):
4483 Remove use of parameter_rename_map.
4485 (copy_internal_parameters): Remove.
4486 (graphite_regenerate_ast_isl): Remove call to copy_internal_parameters.
4487 * sese.c (new_sese_info): Do not initialize parameter_rename_map.
4488 (free_sese_info): Do not free parameter_rename_map.
4489 (set_rename): Do not use parameter_rename_map.
4490 (rename_uses): Update call to set_rename.
4491 (graphite_copy_stmts_from_block): Do not use parameter_rename_map.
4492 * sese.h (parameter_rename_map_t): Remove.
4493 (struct sese_info_t): Remove field parameter_rename_map.
4495 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
4496 Sebastian Pop <s.pop@samsung.com>
4498 * graphite-isl-ast-to-gimple.c: Fix comment.
4499 * graphite-scop-detection.c (defined_in_loop_p): New.
4500 (canonicalize_loop_closed_ssa): Do not add close phi nodes for SSA
4501 names defined in loop.
4503 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
4504 Sebastian Pop <s.pop@samsung.com>
4506 * graphite-scop-detection.c (scop_detection::harmful_loop_in_region):
4507 Discard unstructured if-then-else regions.
4509 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
4510 Sebastian Pop <s.pop@samsung.com>
4512 * graphite-sese-to-poly.c (set_scop_parameter_dim): Remove.
4513 (cleanup_loop_iter_dom): Remove.
4514 (build_loop_iteration_domains): Remove.
4515 (build_scop_context): Remove.
4516 (build_scop_iteration_domain): Remove.
4517 (add_loop_constraints): New.
4518 (build_iteration_domains): New.
4519 (build_poly_scop): Call build_iteration_domains.
4521 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
4522 Sebastian Pop <s.pop@samsung.com>
4524 * graphite-scop-detection.c
4525 (scop_detection::harmful_loop_in_region): Free dom and loops.
4526 (scop_detection::loop_body_is_valid_scop): Free bbs.
4528 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
4529 Sebastian Pop <s.pop@samsung.com>
4531 * graphite-scop-detection.c (record_loop_in_sese): New.
4532 (gather_bbs::before_dom_children): Call record_loop_in_sese.
4533 (build_scops): Remove call to build_sese_loop_nests.
4534 * sese.c (sese_record_loop): Remove.
4535 (build_sese_loop_nests): Remove.
4536 (new_sese_info): Remove region->loops.
4537 (free_sese_info): Same.
4538 * sese.h (sese_contains_loop): Same.
4539 (build_sese_loop_nests): Remove.
4540 (sese_contains_loop): Remove.
4542 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
4543 Sebastian Pop <s.pop@samsung.com>
4545 * graphite-scop-detection.c (loop_is_valid_scop): Renamed
4546 loop_is_valid_in_scop.
4547 (scop_detection::harmful_stmt_in_region): Renamed
4548 harmful_loop_in_region.
4549 Call loop_is_valid_in_scop.
4551 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
4552 Sebastian Pop <s.pop@samsung.com>
4554 * graphite-isl-ast-to-gimple.c (translate_isl_ast): Also handle
4557 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
4558 Sebastian Pop <s.pop@samsung.com>
4560 * graphite-poly.c (new_poly_bb): Remove use of PBB_IS_REDUCTION.
4561 * graphite.h (struct poly_bb): Remove field is_reduction.
4562 (PBB_IS_REDUCTION): Remove.
4564 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
4565 Sebastian Pop <s.pop@samsung.com>
4567 * graphite-dependences.c (constrain_domain): Add call to isl_*_coalesce.
4568 (add_pdr_constraints): Same.
4569 (scop_get_reads): Same.
4570 (scop_get_must_writes): Same.
4571 (scop_get_may_writes): Same.
4572 (scop_get_original_schedule): Same.
4573 (extend_schedule): Same.
4574 (apply_schedule_on_deps): Same.
4575 (carries_deps): Same.
4576 (compute_deps): Same.
4577 (scop_get_dependences): Same.
4578 * graphite-isl-ast-to-gimple.c
4579 (translate_isl_ast_to_gimple::generate_isl_schedule): Same.
4580 * graphite-optimize-isl.c (get_schedule_for_band): Same.
4581 (get_schedule_for_band_list): Same.
4582 (get_schedule_map): Same.
4583 (apply_schedule_map_to_scop): Same.
4584 * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
4585 (build_loop_iteration_domains): Same.
4586 (add_condition_to_pbb): Same.
4587 (add_param_constraints): Same.
4588 (pdr_add_memory_accesses): Same.
4589 (pdr_add_data_dimensions): Same.
4591 2016-01-20 Sandra Loosemore <sandra@codesourcery.com>
4593 * doc/invoke.texi (Instrumentation Options): Clarify -mmpx linking
4596 2016-01-20 Sandra Loosemore <sandra@codesourcery.com>
4598 * common.opt (feliminate-dwarf2-dups): Replace references to
4599 "DWARF 2" with just "DWARF".
4600 * config/ia64/ia64.opt (mdwarf2-asm): Likewise.
4601 * doc/extend.texi: Likewise.
4602 * doc/cpp.texi: Likewise.
4603 * doc/invoke.texi: Likewise.
4604 (Option Summary): Add -gdwarf to list of Debugging Options.
4605 (Debugging Options): Document -gdwarf.
4606 * doc/contrib.texi: Spell "DWARF" like that.
4608 2016-01-21 Jakub Jelinek <jakub@redhat.com>
4610 * omp-low.c (expand_omp_target): Avoid -Wmaybe-uninitialized
4611 warning. Fix up formatting.
4614 * gimplify.c (gimplify_asm_expr): Warn if it is too late to
4615 attempt to mark memory input operand addressable and
4616 call prepare_gimple_addressable in that case. Don't adjust
4617 input_location for diagnostics, use error_at instead.
4619 2016-01-20 Peter Bergner <bergner@vnet.ibm.com>
4621 * config/rs6000/ppc-auxv.h: New file.
4622 * config/rs6000/rs6000-builtin.def (cpu_init): Add new builtin.
4624 (cpu_supports): Likewise.
4625 * config/rs6000/rs6000.c: include "ppc-auxv.h".
4626 (cpu_is_info): New variable.
4627 (cpu_supports_info): Likewise.
4628 (tcb_verification_symbol): Likewise.
4629 (cpu_builtin_p): Likewise.
4630 (cpu_expand_builtin): New function.
4631 (rs6000_expand_ternop_builtin): Add support for CPU builtin functions.
4632 (rs6000_init_builtins): Likewise.
4633 (rs6000_elf_file_end): Emit HWCAP in TCB verification symbol.
4634 * config/rs6000/rs6000.h (TLS_REGNUM): New define.
4635 * configure.ac (gcc_cv_libc_provides_hwcap_in_tcb): New test.
4636 * configure: Regenerate.
4637 * config.in: Likewise.
4638 * doc/extend.texi (PowerPC Built-in Functions): Document
4639 __builtin_cpu_init, __builtin_cpu_is and __builtin_cpu_supports.
4641 2016-01-20 David Edelsohn <dje.gcc@gmail.com>
4644 * config/rs6000/rs6000.c (rs6000_emit_swsqrt): Add vector sqrt
4646 * config/rs6000/vector.md (sqrt<mode>2): Call rs6000_emit_swsqrt
4649 2016-01-20 Richard Henderson <rth@redhat.com>
4655 * tree.c (tm_define_builtin): New.
4656 (find_tm_vector_type): New.
4657 (build_tm_vector_builtins): New.
4658 (build_common_builtin_nodes): Call it.
4660 2016-01-20 Christophe Lyon <christophe.lyon@linaro.org>
4662 * doc/sourcebuild.texi (arm_crypto_pragma_ok): Document new entry.
4663 (arm_fp_ok): Likewise.
4665 (arm_crypto): Likewise.
4667 2016-01-20 Ilya Enkovich <enkovich.gnu@gmail.com>
4668 Richard Biener <rguenther@suse.de>
4670 PR tree-optimization/69328
4671 * tree-vect-stmts.c (vect_is_simple_cond): Check compared
4672 vectors have same number of elements.
4673 (vectorizable_condition): Fix masked version recognition.
4675 2016-01-20 Richard Biener <rguenther@suse.de>
4677 PR tree-optimization/69345
4678 * tree-ssa-sccvn.h (VN_INFO_RANGE_INFO): New inline function.
4679 (VN_INFO_PTR_INFO): Likewise.
4680 * tree-ssa-sccvn.c (set_ssa_val_to): Avoid clearing points-to
4681 info when it is equal between non-dominating SSA names.
4682 * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
4683 Make sure to look at original SSA infos.
4685 2016-01-20 Jeff Law <law@redhat.com>
4688 * config/m68k/predicates.md (pow2_m1_operand): New predicate
4690 (reg_or_pow2_m1_operand): Call pow2_m1_operand.
4691 (pc_or_label_operand): New predicate.
4692 * config/m68k/m68k.md: Add new peephole2 patterns for GTU/LEU
4693 tests for small integers that are 2^n - 1.
4695 2016-01-20 Jonathan Wakely <jwakely@redhat.com>
4697 * doc/invoke.texi (Options Summary): Add '.' after @xref.
4699 2016-01-19 Jeff Law <law@redhat.com>
4702 * tree-ssa-threadbackwards.c
4703 (fsm_find_control_statement_thread_paths): Do not try to lookup
4704 FSM paths for SSA_NAMEs appearing in abnormal PHIs.
4706 2016-01-20 Kugan Vivekanandarajah <kuganv@linaro.org>
4708 * doc/lto.texi: Remove text that says only Gold has linker plugin
4711 2016-01-19 Eric Botcazou <ebotcazou@adacore.com>
4713 * dwarf2out.c (need_endianity_attribute_p): New inline predicate.
4714 (base_type_die): Add REVERSE parameter and attach DW_AT_endianity to
4715 the DIE accordingly.
4716 (modified_type_die): Add REVERSE parameter and pass it recursively,
4717 as well as to base_type_die. Adjust presence check accordingly.
4718 (base_type_for_mode): Adjust call to modified_type_die.
4719 (add_type_attribute): Add REVERSE parameter and pass it to
4721 (generic_parameter_die): Adjust call to add_type_attribute.
4722 (add_scalar_info): Likewise.
4723 (add_subscript_info): Likewise.
4724 (gen_array_type_die): Likewise.
4725 (gen_descr_array_type_die): Likewise.
4726 (gen_entry_point_die): Likewise.
4727 (gen_enumeration_type_die): Likewise.
4728 (gen_formal_parameter_die): Likewise.
4729 (gen_subprogram_die): Likewise.
4730 (gen_variable_die ): Likewise.
4731 (gen_const_die): Likewise.
4732 (gen_field_die): Likewise.
4733 (gen_pointer_type_die): Likewise.
4734 (gen_reference_type_die): Likewise.
4735 (gen_ptr_to_mbr_type_die): Likewise.
4736 (gen_inheritance_die): Likewise.
4737 (gen_subroutine_type_die): Likewise.
4738 (gen_typedef_die): Likewise.
4739 (force_type_die): Adjust call to modified_type_die.
4741 2016-01-19 Sandra Loosemore <sandra@codesourcery.com>
4743 * doc/standards.texi: Copy-editing for grammar, markup, and sentence
4744 flow throughout the file. Fix broken link to Objective-C 2.0
4746 * doc/invoke.texi: More copy-editing; fix numerous typos and spelling
4749 2016-01-19 Wilco Dijkstra <wdijkstr@arm.com>
4751 * ccmp.c (expand_ccmp_expr_1): Avoid spurious unused warnings.
4753 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
4756 * ipa-devirt.c (is_cxa_pure_virtual_p): New function.
4757 (maybe_record_node): Record cxa_pure_virtual as the only possible
4758 target if there are not ohter candidates.
4759 (possible_polymorphic_call_target_p): Accept cxa_pure_virtual.
4761 2016-01-19 Richard Biener <rguenther@suse.de>
4763 * hsa-gen.c (get_memory_order_name): Use MEMMODEL_ constants.
4764 (get_memory_order): Likewise.
4766 2016-01-19 Kirill Yukhin <kirill.yukhin@intel.com>
4768 * tree-vect-stmts.c (vectorizable_store): Check
4771 2016-01-19 David Malcolm <dmalcolm@redhat.com>
4774 * gcc.c (driver::decode_argv): Add call to
4775 init_opts_obstack before init_options_struct.
4776 * opts.c (init_opts_obstack): Remove idempotency.
4777 (init_options_struct): Replace call to init_opts_obstack
4778 with a gcc_assert to verify that it has already been called.
4779 * toplev.c (toplev::main): Add call to init_opts_obstack before
4780 calls to init_options_struct.
4781 (toplev::finalize): Move cleanup of opts_obstack next to
4782 cleanup of save_decoded_options, clearing the latter, and
4783 save_decoded_options_count.
4785 2016-01-19 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
4788 * config/arm/vfp.md (l<vrint_pattern><su_optab><mode>si2): Set "conds"
4789 attribute to unconditional. Remove %? from output template.
4791 2015-01-19 Wilco Dijkstra <wdijkstr@arm.com>
4792 Jiong Wang <jiong.wang@arm.com>
4794 * ccmp.c (expand_ccmp_expr_1): Cost the instruction sequences
4795 generated from different expand order.
4797 2015-01-19 Wilco Dijkstra <wdijkstr@arm.com>
4799 * /config/aarch64/aarch64.c (aarch64_if_then_else_costs):
4800 Add support for CCMP costing.
4802 2015-01-19 Wilco Dijkstra <wdijkstr@arm.com>
4804 * ccmp.c (ccmp_candidate_p): Remove integer-only restriction.
4805 * config/aarch64/aarch64.md (fccmp<mode>): New pattern.
4806 (fccmpe<mode>): Likewise.
4807 (fcmp): Rename to fcmp and globalize pattern.
4809 * config/aarch64/aarch64.c (aarch64_gen_ccmp_first): Add FP support.
4810 (aarch64_gen_ccmp_next): Add FP support.
4812 2015-01-19 Wilco Dijkstra <wdijkstr@arm.com>
4814 * target.def (gen_ccmp_first): Update documentation.
4815 (gen_ccmp_next): Likewise.
4816 * doc/tm.texi (gen_ccmp_first): Update documentation.
4817 (gen_ccmp_next): Likewise.
4818 * ccmp.c (expand_ccmp_expr): Extract cmp_code from return value of
4819 expand_ccmp_expr_1. Improve comments.
4820 * config/aarch64/aarch64.md (ccmp_and): Use if_then_else for ccmp.
4821 (ccmp_ior<mode>): Remove pattern.
4822 (cmp<mode>): Remove expand.
4823 (cmp): Globalize pattern.
4824 (cstorecc4): Use cc_register.
4825 (mov<mode>cc): Remove ccmp_cc_register check.
4826 * config/aarch64/aarch64.c (aarch64_get_condition_code_1):
4827 Simplify after removal of CC_DNE/* modes.
4828 (aarch64_ccmp_mode_to_code): Remove.
4829 (aarch64_print_operand): Remove 'K' case. Merge 'm' and 'M' cases.
4830 In 'k' case use integer as condition.
4831 (aarch64_nzcv_codes): Remove inverted cases.
4832 (aarch64_code_to_ccmode): Remove.
4833 (aarch64_gen_ccmp_first): Use cmp pattern directly. Return the correct
4834 comparison with CC register to be used in folowing CCMP/branch/CSEL.
4835 (aarch64_gen_ccmp_next): Use previous comparison and mode in CCMP
4836 pattern. Return the comparison with CC register. Invert conditions
4838 * config/aarch64/aarch64-modes.def: Remove CC_DNE/* modes.
4839 * config/aarch64/predicates.md (ccmp_cc_register): Remove.
4841 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
4843 * cgraphunit.c (cgraph_node::reset): Clear thunk info and
4844 instrumented_version.
4846 2016-01-19 Richard Biener <rguenther@suse.de>
4848 PR tree-optimization/69336
4849 * tree-ssa-scopedtables.c (avail_expr_hash): Handle all
4850 handled components with get_ref_base_and_extent.
4851 (equal_mem_array_ref_p): Adjust.
4853 2016-01-19 Jakub Jelinek <jakub@redhat.com>
4856 * shrink-wrap.c: Include valtrack.h.
4857 (move_insn_for_shrink_wrap): Add DEBUG argument. If
4858 MAY_HAVE_DEBUG_INSNS, call dead_debug_add on DEBUG_INSNs
4859 in between insn and where it will be moved to. Call
4860 dead_debug_insert_temp.
4861 (prepare_shrink_wrap): Adjust caller. Call dead_debug_local_init
4862 first and dead_debug_local_finish at the end.
4863 For uses and defs bitmap, handle all regs in between REGNO and
4864 END_REGNO, not just the first one.
4866 2016-01-19 Richard Biener <rguenther@suse.de>
4868 PR tree-optimization/69352
4869 * tree-ssa-scopedtables.c (avail_expr_hash): Check for size == -1.
4870 (equal_mem_array_ref_p): Constrain size and max size properly.
4871 Compare the reverse flag.
4873 2016-01-19 Bernd Schmidt <bschmidt@redhat.com>
4875 * ira.c (ira): Update regstat data if we deleted insns.
4877 2016-01-19 Jakub Jelinek <jakub@redhat.com>
4879 PR rtl-optimization/68955
4880 PR rtl-optimization/64557
4881 * dse.c (record_store, check_mem_read_rtx): Don't call get_addr
4882 here. Fix up formatting.
4883 * alias.c (get_addr): Handle VALUE +/- CONST_SCALAR_INT_P.
4885 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
4888 * cgraphunit.c (cgraph_node::expand_thunk): When forcing gimple
4889 assume that the node has body.
4890 * cgraph.c (cgraph_node::get_untransformed_body): Use gimple_body_p
4893 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
4895 * lto-streamer-out.c (lto_output): Do not stream instrumentation
4898 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
4900 * symtab.c (symtab_node::asm_name): Do not call printable name directly.
4901 (symtab_node::name): Report name as unnamed if DECL_NAME is not set.
4903 2016-01-19 Martin Jambor <mjambor@suse.cz>
4904 Martin Liska <mliska@suse.cz>
4905 Michael Matz <matz@suse.de>
4907 * Makefile.in (OBJS): Add new source files.
4908 (GTFILES): Add hsa.c.
4909 * common.opt (disable_hsa): New variable.
4910 (-Whsa): New warning.
4911 * config.in (ENABLE_HSA): New.
4912 * configure.ac: Treat hsa differently from other accelerators.
4913 (OFFLOAD_TARGETS): Define ENABLE_OFFLOADING according to
4915 (ENABLE_HSA): Define ENABLE_HSA according to $enable_hsa.
4916 * doc/install.texi (Configuration): Document --with-hsa-runtime,
4917 --with-hsa-runtime-include, --with-hsa-runtime-lib and
4919 * doc/invoke.texi (-Whsa): Document.
4920 (hsa-gen-debug-stores): Likewise.
4921 * lto-wrapper.c (compile_images_for_offload_targets): Do not attempt
4922 to invoke offload compiler for hsa acclerator.
4923 * opts.c (common_handle_option): Determine whether HSA offloading
4924 should be performed.
4925 * params.def (PARAM_HSA_GEN_DEBUG_STORES): New parameter.
4926 * builtin-types.def (BT_FN_VOID_UINT_PTR_INT_PTR): New.
4927 (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_INT_INT): Removed.
4928 (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_PTR): New.
4929 * gimple-low.c (lower_stmt): Also handle GIMPLE_OMP_GRID_BODY.
4930 * gimple-pretty-print.c (dump_gimple_omp_for): Also handle
4931 GF_OMP_FOR_KIND_GRID_LOOP.
4932 (dump_gimple_omp_block): Also handle GIMPLE_OMP_GRID_BODY.
4933 (pp_gimple_stmt_1): Likewise.
4934 * gimple-walk.c (walk_gimple_stmt): Likewise.
4935 * gimple.c (gimple_build_omp_grid_body): New function.
4936 (gimple_copy): Also handle GIMPLE_OMP_GRID_BODY.
4937 * gimple.def (GIMPLE_OMP_GRID_BODY): New.
4938 * gimple.h (enum gf_mask): Added GF_OMP_PARALLEL_GRID_PHONY,
4939 GF_OMP_FOR_KIND_GRID_LOOP, GF_OMP_FOR_GRID_PHONY and
4940 GF_OMP_TEAMS_GRID_PHONY.
4941 (gimple_statement_omp_single_layout): Updated comments.
4942 (gimple_build_omp_grid_body): New function.
4943 (gimple_has_substatements): Also handle GIMPLE_OMP_GRID_BODY.
4944 (gimple_omp_for_grid_phony): New function.
4945 (gimple_omp_for_set_grid_phony): Likewise.
4946 (gimple_omp_parallel_grid_phony): Likewise.
4947 (gimple_omp_parallel_set_grid_phony): Likewise.
4948 (gimple_omp_teams_grid_phony): Likewise.
4949 (gimple_omp_teams_set_grid_phony): Likewise.
4950 (gimple_return_set_retbnd): Also handle GIMPLE_OMP_GRID_BODY.
4951 * omp-builtins.def (BUILT_IN_GOMP_OFFLOAD_REGISTER): New.
4952 (BUILT_IN_GOMP_OFFLOAD_UNREGISTER): Likewise.
4953 (BUILT_IN_GOMP_TARGET): Updated type.
4954 * omp-low.c: Include symbol-summary.h, hsa.h and params.h.
4955 (adjust_for_condition): New function.
4956 (get_omp_for_step_from_incr): Likewise.
4957 (extract_omp_for_data): Moved parts to adjust_for_condition and
4958 get_omp_for_step_from_incr.
4959 (build_outer_var_ref): Handle GIMPLE_OMP_GRID_BODY.
4960 (fixup_child_record_type): Bail out if receiver_decl is NULL.
4961 (scan_sharing_clauses): Handle OMP_CLAUSE__GRIDDIM_.
4962 (scan_omp_parallel): Do not create child functions for phony
4964 (check_omp_nesting_restrictions): Handle GIMPLE_OMP_GRID_BODY.
4965 (scan_omp_1_op): Checking assert we are not remapping to
4966 ERROR_MARK. Also also handle GIMPLE_OMP_GRID_BODY.
4967 (parallel_needs_hsa_kernel_p): New function.
4968 (expand_parallel_call): Register apprpriate parallel child
4969 functions as HSA kernels.
4970 (grid_launch_attributes_trees): New type.
4971 (grid_attr_trees): New variable.
4972 (grid_create_kernel_launch_attr_types): New function.
4973 (grid_insert_store_range_dim): Likewise.
4974 (grid_get_kernel_launch_attributes): Likewise.
4975 (get_target_argument_identifier_1): Likewise.
4976 (get_target_argument_identifier): Likewise.
4977 (get_target_argument_value): Likewise.
4978 (push_target_argument_according_to_value): Likewise.
4979 (get_target_arguments): Likewise.
4980 (expand_omp_target): Call get_target_arguments instead of looking
4981 up for teams and thread limit.
4982 (grid_expand_omp_for_loop): New function.
4983 (grid_arg_decl_map): New type.
4984 (grid_remap_kernel_arg_accesses): New function.
4985 (grid_expand_target_kernel_body): New function.
4986 (expand_omp): Call it.
4987 (lower_omp_for): Do not emit phony constructs.
4988 (lower_omp_taskreg): Do not emit phony constructs but create for them
4989 a temporary variable receiver_decl.
4990 (lower_omp_taskreg): Do not emit phony constructs.
4991 (lower_omp_teams): Likewise.
4992 (lower_omp_grid_body): New function.
4993 (lower_omp_1): Call it.
4994 (grid_reg_assignment_to_local_var_p): New function.
4995 (grid_seq_only_contains_local_assignments): Likewise.
4996 (grid_find_single_omp_among_assignments_1): Likewise.
4997 (grid_find_single_omp_among_assignments): Likewise.
4998 (grid_find_ungridifiable_statement): Likewise.
4999 (grid_target_follows_gridifiable_pattern): Likewise.
5000 (grid_remap_prebody_decls): Likewise.
5001 (grid_copy_leading_local_assignments): Likewise.
5002 (grid_process_kernel_body_copy): Likewise.
5003 (grid_attempt_target_gridification): Likewise.
5004 (grid_gridify_all_targets_stmt): Likewise.
5005 (grid_gridify_all_targets): Likewise.
5006 (execute_lower_omp): Call grid_gridify_all_targets.
5007 (make_gimple_omp_edges): Handle GIMPLE_OMP_GRID_BODY.
5008 * tree-core.h (omp_clause_code): Added OMP_CLAUSE__GRIDDIM_.
5009 (tree_omp_clause): Added union field dimension.
5010 * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE__GRIDDIM_.
5011 * tree.c (omp_clause_num_ops): Added number of arguments of
5012 OMP_CLAUSE__GRIDDIM_.
5013 (omp_clause_code_name): Added name of OMP_CLAUSE__GRIDDIM_.
5014 (walk_tree_1): Handle OMP_CLAUSE__GRIDDIM_.
5015 * tree.h (OMP_CLAUSE_GRIDDIM_DIMENSION): New.
5016 (OMP_CLAUSE_SET_GRIDDIM_DIMENSION): Likewise.
5017 (OMP_CLAUSE_GRIDDIM_SIZE): Likewise.
5018 (OMP_CLAUSE_GRIDDIM_GROUP): Likewise.
5019 * passes.def: Schedule pass_ipa_hsa and pass_gen_hsail.
5020 * tree-pass.h (make_pass_gen_hsail): Declare.
5021 (make_pass_ipa_hsa): Likewise.
5022 * ipa-hsa.c: New file.
5023 * lto-section-in.c (lto_section_name): Add hsa section name.
5024 * lto-streamer.h (lto_section_type): Add hsa section.
5025 * timevar.def (TV_IPA_HSA): New.
5026 * hsa-brig-format.h: New file.
5027 * hsa-brig.c: New file.
5028 * hsa-dump.c: Likewise.
5029 * hsa-gen.c: Likewise.
5032 * toplev.c (compile_file): Call hsa_output_brig.
5033 * hsa-regalloc.c: New file.
5035 2016-01-18 Jeff Law <law@redhat.com>
5037 PR tree-optimization/69320
5038 * tree-ssa-dom.c (record_edge_info): For comparisons against a boolean
5039 ranged object, do nothing if the RHS constant is not [0..1].
5040 (optimize_stmt): Comparing a boolean ranged object against a
5041 constant outside [0..1] results in a compile-time constant.
5043 * tree-ssanames.c (ssa_name_has_boolean_range): Remove unnecessary
5046 2016-01-18 Sandra Loosemore <sandra@codesourcery.com>
5048 * doc/invoke.texi (Invoking GCC): Add new section to menu.
5049 (Option Summary): Update to reflect new section and moved options.
5050 (C++ Dialect Options): Move -fstats to new section.
5051 (Debugging Options): Move all dump, statistics, and other GCC
5052 developer options to new section. Rewrite section introduction
5053 and re-order remaining options to put the more basic ones first.
5054 (Optimization Options): Move -fira-verbose and -flto-report* to
5056 (Developer Options): New section incorporating moved options.
5057 * doc/cppopts.texi (-dM): Update cross-reference.
5059 2016-01-18 Richard Henderson <rth@redhat.com>
5062 * config/aarch64/aarch64.md (add<GPI>3): Move long immediate
5063 operands to pseudo only if CSE is expected. Split long immediate
5064 operands only after reload, and for the stack pointer.
5065 (*add<GPI>3_pluslong): Remove.
5066 (*addsi3_aarch64, *adddi3_aarch64): Merge into...
5067 (*add<GPI>3_aarch64): ... here. Add r/rk/Upl alternative.
5068 (*addsi3_aarch64_uxtw): Add r/rk/Upl alternative.
5069 (*add<GPI>3 peepholes): New.
5070 (*add<GPI>3 splitters): New.
5071 * config/aarch64/constraints.md (Upl): New.
5072 * config/aarch64/predicates.md (aarch64_pluslong_strict_immedate): New.
5074 2016-01-18 Richard Biener <rguenther@suse.de>
5076 PR tree-optimization/69297
5077 * tree-vect-slp.c (vect_bb_slp_scalar_cost): Count each scalar
5079 (vect_bb_vectorization_profitable_p): Clear visited flag again.
5081 2016-01-18 Yuri Rumyantsev <ysrumyan@gmail.com>
5084 * fold-const.c (fold_binary_op_with_conditional_arg): Bail out for case
5085 of mixind vector and scalar types.
5086 (fold_relational_const): Add handling of vector
5087 comparison with boolean result.
5088 * tree-cfg.c (verify_gimple_comparison): Add argument CODE, allow
5089 comparison of vector operands with boolean result for EQ/NE only.
5090 (verify_gimple_assign_binary): Adjust call for verify_gimple_comparison.
5091 (verify_gimple_cond): Likewise.
5092 * tree-vrp.c (extract_code_and_val_from_cond_with_ops): Modify check on
5095 2016-01-18 Joseph Myers <joseph@codesourcery.com>
5097 * config/mips/mips.h (ISA_HAS_PAIRED_SINGLE): Require
5100 2016-01-18 Richard Biener <rguenther@suse.de>
5103 * gimple.c (gimple_could_trap_p_1): Handle GIMPLE_COND.
5105 2016-01-18 Tom de Vries <tom@codesourcery.com>
5107 * passes.def: Add pass_parallelize_loops to pass_oacc_kernels.
5109 2016-01-18 Tom de Vries <tom@codesourcery.com>
5111 * omp-low.c (set_oacc_fn_attrib): Make extern.
5112 * omp-low.h (set_oacc_fn_attrib): Declare.
5113 * tree-parloops.c (struct reduction_info): Add reduc_addr field.
5114 (create_call_for_reduction_1): Handle case that reduc_addr is non-NULL.
5115 (create_parallel_loop, gen_parallel_loop, try_create_reduction_list):
5116 Add and handle function parameter oacc_kernels_p.
5117 (find_reduc_addr, get_omp_data_i_param): New function.
5118 (ref_conflicts_with_region, oacc_entry_exit_ok_1)
5119 (oacc_entry_exit_single_gang, oacc_entry_exit_ok): New function.
5120 (parallelize_loops): Add and handle function parameter oacc_kernels_p.
5121 Calculate dominance info. Skip loops that are not in a kernels region
5122 in oacc_kernels_p mode. Skip inner loops of parallelized loops.
5123 (pass_parallelize_loops::execute): Call parallelize_loops with
5124 oacc_kernels_p argument.
5125 (pass_parallelize_loops::clone, pass_parallelize_loops::set_pass_param):
5126 New member function.
5127 (pass_parallelize_loops::bool oacc_kernels_p): New member var.
5128 * passes.def: Add argument to pass_parallelize_loops instantation.
5130 2016-01-18 Tom de Vries <tom@codesourcery.com>
5132 * tree-parloops.c (pass_parallelize_loops::execute): Allow
5133 pass_parallelize_loops to be run outside the loop pipeline.
5135 2016-01-18 Alan Lawrence <alan.lawrence@arm.com>
5137 * tree-scalar-evolution.c (follow_copies_to_constant): New.
5138 (analyze_initial_condition, analyze_scalar_evolution_1): Call previous.
5140 2016-01-18 Alan Lawrence <alan.lawrence@arm.com>
5143 * tree-ssa-scopedtables.c (avail_expr_hash): Hash MEM_REF and ARRAY_REF
5144 using get_ref_base_and_extent.
5145 (equal_mem_array_ref_p): New.
5146 (hashable_expr_equal_p): Add call to previous.
5148 2016-01-18 Alan Lawrence <alan.lawrence@arm.com>
5151 * tree-sra.c (disqualified_constants, constant_decl_p): New.
5152 (sra_initialize): Allocate disqualified_constants.
5153 (sra_deinitialize): Free disqualified_constants.
5154 (disqualify_candidate): Update disqualified_constants when appropriate.
5155 (create_access): Scan for constant-pool entries as we go along.
5156 (scalarizable_type_p): Add check against type_contains_placeholder_p.
5157 (maybe_add_sra_candidate): Allow constant-pool entries.
5158 (load_assign_lhs_subreplacements): Bind debug for constant pool vars.
5159 (initialize_constant_pool_replacements): New.
5160 (sra_modify_assign): Avoid mangling assignments created by previous,
5161 and don't generate writes into constant pool.
5162 (sra_modify_function_body): Call initialize_constant_pool_replacements.
5164 2016-01-18 Ilya Enkovich <enkovich.gnu@gmail.com>
5166 * config/i386/i386.c (scalar_to_vector_candidate_p): Support
5168 (scalar_chain::convert_op): Likewise.
5169 * config/i386/i386.md (*andndi3_doubleword): New.
5171 2016-01-18 Richard Biener <rguenther@suse.de>
5173 PR tree-optimization/69170
5174 * tree-vect-slp.c (vect_build_slp_tree): Verify we are not
5175 building a vector from scalar results of a pattern stmt.
5177 2016-01-18 Jakub Jelinek <jakub@redhat.com>
5179 * haifa-sched.c (autopref_multipass_init): Work around
5180 -Wmaybe-uninitialized warning.
5182 2016-01-18 Thomas Preud'homme <thomas.preudhomme@arm.com>
5184 * config/arm/arm.c (thumb1_reorg): Check that the comparison is
5185 against the constant 0.
5187 2016-01-17 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
5189 PR tree-optimization/68799
5190 * gimple-ssa-strength-reduction.c (create_phi_basis): Directly
5191 look up phi candidates in the statement-candidate map.
5192 (phi_add_costs): Likewise.
5193 (record_phi_increments): Likewise.
5194 (phi_incr_cost): Likewise.
5195 (ncd_with_phi): Likewise.
5196 (all_phi_incrs_profitable): Likewise.
5198 2016-01-17 Jakub Jelinek <jakub@redhat.com>
5200 * omp-low.c (mark_loops_in_oacc_kernels_region): Work around
5201 -Wmaybe-uninitialized warning.
5203 2016-01-16 Sandra Loosemore <sandra@codesourcery.com>
5205 * doc/invoke.texi (Invoking GCC): Add new section to menu.
5206 (Option Summary): Update to reflect new section and moved options.
5207 (C++ Dialect Options): Move -fvtable-verify and related options.
5208 (Debugging Options): Move Sanitizer, Pointer Bounds Checker,
5209 and profiling-related options.
5210 (Optimization Options): Move profile generation options and
5211 -fstack-protector and related options.
5212 (Instrumentation Options): New section incorporating moved options.
5213 (Code Generation Options): Move -finstrument-functions and
5214 related options, -fstack-check, -fstack-limit*, and -fbounds-check.
5216 2016-01-16 Tom de Vries <tom@codesourcery.com>
5218 * passes.def: Move pass_expand_omp_ssa out of pass_parallelize_loops.
5220 2016-01-16 Tom de Vries <tom@codesourcery.com>
5222 * omp-low.c (expand_omp_atomic_fetch_op): Release defs of update stmt.
5224 2016-01-16 Richard Sandiford <richard.sandiford@arm.com>
5226 * hash-table.h (hash_table::empty): Turn into an inline wrapper
5227 that checks whether the table is already empty. Rename the
5228 original implementation to...
5229 (hash_table::empty_slot): ...this new private function.
5231 2016-01-15 David Malcolm <dmalcolm@redhat.com>
5234 * diagnostic-show-locus.c (layout::print_source_line): Move x
5235 offset of line until after call to
5236 get_line_width_without_trailing_whitespace.
5238 2016-01-15 Jeff Law <law@redhat.com>
5240 PR tree-optimization/69270
5241 * tree-ssanames.c (ssa_name_has_boolean_range): Moved here from
5242 tree-ssa-dom.c. Improve test for [0..1] ranve from VRP.
5243 * tree-ssa-dom.c (ssa_name_has_boolean_range): Remove.
5244 * tree-ssanames.h (ssa_name_has_boolean_range): Prototype.
5245 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
5246 ssa_name_has_boolean_range and constant_boolean_node.
5248 2016-01-15 Vladimir Makarov <vmakarov@redhat.com>
5250 PR rtl-optimization/69030
5251 * lra-spills.c (remove_pseudos): Check nrefs and make the function
5253 (spill_pseudos): Delete debug insn for dead pseudo.
5254 (lra_spill): Initiate spill_hard_reg and slots memory separately.
5256 2016-01-15 Jiong Wang <jiong.wang@arm.com>
5258 * config/aarch64/aarch64-builtins.c (aarch64_types_unopus_qualifiers):
5260 (TYPES_UNOPUS): Likewise.
5261 * config/aarch64/aarch64-simd-builtins.def (lbtruncuv2sf): Correct
5262 builtin type, from UNOP to UNOPUS.
5263 (lbtruncuv4sf): Likewise.
5264 (lbtruncuv2df): Likewise.
5265 (lrounduv2sf): Likewise.
5266 (lrounduv4sf): Likewise.
5267 (lrounduv2df): Likewise.
5268 (lroundusf): Likewise.
5269 (lroundusf): Likewise.
5270 (lceiluv2sf): Likewise.
5271 (lceiluv4sf): Likewise.
5272 (lceiluv2df): Likewise.
5273 (lceilusf): Likewise.
5274 (lceiludf): Likewise.
5275 (lflooruv2sf): Likewise.
5276 (lflooruv4sf): Likewise.
5277 (lflooruv2df): Likewise.
5278 (lfloorusf): Likewise.
5279 (lfloorudf): Likewise.
5280 (lfrintnuv2sf): Likewise.
5281 (lfrintnuv4sf): Likewise.
5282 (lfrintnuv2df): Likewise.
5283 (lfrintnusf): Likewise.
5284 (lfrintnudf): Likewise.
5285 * config/aarch64/arm_neon.h (vcvt_u32_f32): Remove unncessary type
5287 (vcvtq_u32_f32): Likewise.
5288 (vcvtq_u64_f64): Likewise.
5289 (vcvta_u32_f32): Likewise.
5290 (vcvtaq_u32_f32): Likewise.
5291 (vcvtaq_u64_f64): Likewise.
5292 (vcvtm_u32_f32): Likewise.
5293 (vcvtmq_u32_f32): Likewise.
5294 (vcvtmq_u64_f64): Likewise.
5295 (vcvtn_u32_f32): Likwise.
5296 (vcvtnq_u32_f32): Likewise.
5297 (vcvtnq_u64_f64): Likewise.
5298 (vcvtp_u32_f32): Likewise.
5299 (vcvtpq_u32_f32): Likewise.
5300 (vcvtpq_u64_f64): Likewise.
5301 (vcvtmd_u64_f64): Likewise.
5302 (vcvtms_u32_f32): Likewise.
5303 (vcvtad_u64_f64): Likewise.
5304 (vcvtas_u32_f32): Likewise.
5305 (vcvtnd_u64_f64): Likewise.
5306 (vcvtns_u32_f32): Likewise.
5307 (vcvtpd_u64_f64): Likewise.
5308 (vcvtps_u32_f32): Likewise.
5310 2016-01-15 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
5312 * config/aarch64/aarch64.c (aarch64_if_then_else_costs): Handle
5313 CSEL of zero_extended registers.
5315 2016-01-15 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
5317 * config/aarch64/aarch64.c (aarch64_rtx_costs, COMPARE case):
5318 Handle COMPARE of ZERO_EXTRACT against zero form of TST-immediate.
5320 2016-01-15 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
5322 * config/aarch64/aarch64.c (aarch64_process_one_target_attr): Return
5323 false when argument string is not found in the attributes table
5326 2016-01-15 David Edelsohn <dje.gcc@gmail.com>
5329 * config/rs6000/rs6000.c (rs6000_emit_msub): Delete.
5330 (rs6000_emit_swsqrt): Convert to Goldschmidt's Algorithm
5331 * config/rs6000/rs6000.md (sqrt<mode>2): Limit swsqrt to high
5334 2016-01-15 Richard Biener <rguenther@suse.de>
5336 PR tree-optimization/66856
5337 * tree-vect-loop.c (vect_transform_loop): Free SLP instances here.
5338 * tree-vect-slp.c (vect_free_slp_tree): Decrement stmt reference count.
5339 (vect_create_new_slp_node): Increment stmt reference count.
5340 (vect_get_and_check_slp_defs): Make sure stmts are nor already in
5341 an SLP tree before swapping operands.
5342 (vect_build_slp_tree): Likewise.
5343 (destroy_bb_vec_info): Free stmt info after SLP instances.
5344 * tree-vect-stmts.c (new_stmt_vec_info): Initialize reference count.
5345 * tree-vectorizer.h (struct _stmt_vec_info): Add num_slp_uses field.
5346 (STMT_VINFO_NUM_SLP_USES): New macro.
5348 2016-01-15 Richard Biener <rguenther@suse.de>
5351 * dwarf2out.c (add_linkage_name_raw): New function split out from ...
5352 (add_linkage_name): ... here.
5353 (gen_typedef_die): Use add_linkage_name_raw instead of
5354 add_linkage_attr to delay DECL_ASSEMBLER_NAME computation
5357 2016-01-15 Cesar Philippidis <cesar@codesourcery.com>
5359 * gimplify.c (oacc_default_clause): Decode reference and pointer
5360 types for both kernels and parallel regions.
5362 2016-01-15 Richard Sandiford <richard.sandiford@arm.com>
5365 * calls.c (emit_call_1): Force n_popped to zero for sibcalls.
5367 2016-01-15 Ilya Enkovich <enkovich.gnu@gmail.com>
5369 * config/i386/i386.c (scalar_chain::compute_convert_gain): Fix typo.
5370 (convert_scalars_to_vector): Likewise.
5372 2016-01-15 Jonathan Wakely <jwakely@redhat.com>
5374 * doc/extend.texi (Type Traits): Fix grammar.
5376 2016-01-15 Martin Jambor <mjambor@suse.cz>
5378 * tree-inline.c (remap_decl): Use existing dclarations if
5379 remapping a type and prevent_decl_creation_for_types.
5380 (replace_locals_stmt): Do an initial remapping of non-VLA typed
5381 decls first. Do real remapping with
5382 prevent_decl_creation_for_types set.
5383 * tree-inline.h (copy_body_data): New field
5384 prevent_decl_creation_for_types, moved remap_var_for_cilk to avoid
5387 2016-01-15 Dominik Vogt <vogt@linux.vnet.ibm.com>
5389 * config/s390/s390.opt (mmvcle): More verbose help text.
5391 2016-01-15 Dominik Vogt <vogt@linux.vnet.ibm.com>
5393 * config/s390/s390.opt: Add period to -mzvector option text.
5395 2016-01-15 Richard Biener <rguenther@suse.de>
5397 PR tree-optimization/68961
5398 * tree-vect-slp.c (vect_analyze_slp_cost_1): Consider cost
5399 of invariants in stores again.
5401 2016-01-15 Sebastian Huber <sebastian.huber@embedded-brains.de>
5403 * config/arm/t-rtems: Add cortex-m7/fpv5-d16 multilib.
5405 2016-01-15 Ilya Enkovich <enkovich.gnu@gmail.com>
5407 * config/i386/i386.c (ix86_expand_branch): Don't split
5408 DI mode xor instruction to SI mode.
5410 2016-01-15 Jan Hubicka <hubicka@ucw.cz>
5413 * ipa-icf.c (sem_function::merge): Virtual functions may become
5414 reachable even if they address is not taken and there are no
5417 2016-01-15 Jan Hubicka <hubicka@ucw.cz>
5419 * lto-streamer-out.c (subtract_estimated_size): New function.
5420 (get_symbol_initial_value): Use it.
5422 2016-01-15 Christian Bruel <christian.bruel@st.com>
5425 * config/arm/arm-builtins.c (ARM_BUILTIN_CRYPTO_BASE): New enum tag.
5426 (arm_init_neon_builtins_internal): Rename arm_init_neon_builtins,
5427 (arm_init_crypto_builtins_internal): Rename arm_init_crypto_builtins.
5428 use add_builtin_function_ext_scope instead of add_builtin_function.
5429 (neon_set_p, neon_crypto_set_p): Remove.
5430 (arm_init_builtins): Always call arm_init_neon_builtins and
5431 arm_init_crypto_builtins.
5432 (arm_expand_builtin): Check that builtins are allowed for the arch.
5433 * config/arm/arm-protos.h (arm_init_neon_builtins): Remove prototype.
5434 * config/arm/arm.c (arm_valid_target_attribute_tree): Remove
5435 arm_init_neon_builtins call.
5437 2016-01-15 Richard Biener <rguenther@suse.de>
5439 PR tree-optimization/69117
5440 * tree-ssa-sccvn.h (struct vn_ssa_aux): Add info member.
5441 * tree-ssa-sccvn.c (set_ssa_val_to): Save and adjust SSA name info
5442 of the leader conservatively.
5443 (free_scc_vn): Restore original SSA name infos.
5445 2016-01-14 Jeff Law <law@redhat.com>
5447 PR tree-optimization/69270
5448 * tree-ssa-dom.c (ssa_name_has_boolean_range): If the type has a
5449 single bit of precision, verify it's also unsigned.
5450 (record_edge_info): Use constant_boolean_node rather than fold_convert
5451 to convert boolean_true/boolean_false to the right type.
5453 2016-01-14 Richard Henderson <rth@redhat.com>
5456 * loop-doloop.c (record_reg_sets): New.
5457 (doloop_optimize): Reject the transform if the sequence
5458 clobbers registers live at the end of the loop block.
5459 (doloop_optimize_loops): Enable df_live if needed.
5461 2016-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
5463 * config/rs6000/rs6000-builtin.def: Revert 2016-01-13 change.
5464 * gcc/config/rs6000/rs6000.c: Likewise.
5465 * gcc/config/rs6000/rs6000.h: Likewise.
5466 * gcc/config/rs6000/rs6000.md: Likewise.
5467 * gcc/doc/extend.texi: Likewsie.
5469 2016-01-14 Jeff Law <law@redhat.com>
5471 * tree-ssa-dom.c (ssa_name_has_boolean_range): Fix comment
5474 2016-01-14 Richard Henderson <rth@redhat.com>
5478 * trans-mem.c (tm_log_emit_stmt): Fix unit size to bit size.
5479 * tree.c (build_tm_vector_builtins): Use builtin_decl_explicit_p
5480 instead of builtin_decl_declared_p to test for declaration.
5482 2016-01-14 Nicklas Bo Jensen <nbjensen@gmail.com>
5484 * doc/loop.texi (Loop Analysis and Representation): Document
5485 loop_depth function.
5487 2016-01-14 Tom de Vries <tom@codesourcery.com>
5489 PR tree-optimization/68773
5490 * omp-low.c (expand_omp_target): Don't set force_output.
5491 * varpool.c (varpool_node::get_create): Same.
5492 * lto-cgraph.c (input_offload_tables): Mark entries in offload_vars and
5493 offload_funcs with force_output.
5495 2016-01-14 Jakub Jelinek <jakub@redhat.com>
5498 * lra-eliminations.c (move_plus_up): Don't change anything if either
5499 the outer or inner subreg mode is not MODE_INT.
5500 * dwarf2out.c (mem_loc_descriptor): For SUBREG, if outer mode is
5501 integral <= DWARF2_ADDR_SIZE, convert to untyped afterwards.
5503 2016-01-14 Alan Lawrence <alan.lawrence@arm.com>
5505 * doc/md.texi (reduc_smin_@var{m}, reduc_smax_@var{m},
5506 reduc_umin_@var{m}, reduc_umax_@var{m}, reduc_splus_@var{m},
5507 reduc_uplus_@var{m}): Remove.
5508 * expr.c (expand_expr_real_2): Remove expansion path for
5509 reduc_[us](min|max|plus) optabs.
5510 * optabs-tree.c (scalar_reduc_to_vector): Remove.
5511 * optabs-tree.h (scalar_reduc_to_vector): Remove.
5512 * optabs.def (reduc_smax_optab, reduc_smin_optab, reduc_splus_optab,
5513 reduc_umax_optab, reduc_umin_optab, reduc_uplus_optab): Remove.
5514 * tree-vect-loop.c (vectorizable_reduction): Remove test for
5515 reduc_[us](min|max|plus) optabs.
5517 2016-01-14 Alan Lawrence <alan.lawrence@arm.com>
5519 * config/mips/mips-ps-3d.md (reduc_splus_v2sf): Remove.
5520 (reduc_plus_scal_v2sf): New.
5521 (reduc_smax_v2sf): Rename to...
5522 (reduc_smax_scal_v2sf): ...here, make result SFmode, add vec_extract.
5523 (reduc_smin_v2sf): Rename to...
5524 (reduc_smin_scal_v2sf): ...here, make result SFmode, add vec_extract.
5526 2016-01-14 Jan Hubicka <hubicka@ucw.cz>
5528 * alias.c (compare_base_symbol_refs): New function.
5529 (rtx_equal_for_memref_p, base_alias_check, memrefs_conflict_p): Use
5532 2016-01-14 Jakub Jelinek <jakub@redhat.com>
5535 PR tree-optimization/69155
5536 * tree-complex.c: Include cfganal.h.
5537 (phis_to_revisit): New variable.
5538 (extract_component): Add phiarg_p argument. Assert that returned
5539 SSA_NAME has non-NULL SSA_NAME_DEF_STMT unless phiarg_p is true.
5540 (update_phi_components): Partly rewrite to use loop over real/imag
5541 components instead of code duplication. If extract_component returns
5542 SSA_NAME with NULL SSA_NAME_DEF_STMT, store SSA_NAME_VAR or
5543 create_tmp_reg into the PHI node instead, and mention the phi triplet
5545 (tree_lower_complex): Walk bbs in rpo order. Adjust phis recorded
5546 in phis_to_revisit at the end.
5548 2016-01-14 Richard Biener <rguenther@suse.de>
5550 PR tree-optimization/68060
5551 * tree-vect-loop.c (vect_is_simple_reduction): Check the
5552 outer loop reduction is only used in the inner loop before
5553 detecting a double reduction.
5555 2016-01-14 Jakub Jelinek <jakub@redhat.com>
5558 * combine.c (expand_field_assignment): Punt if compute_mode is
5559 unsupported scalar mode.
5561 2016-01-14 Richard Biener <rguenther@suse.de>
5563 PR tree-optimization/66856
5564 * tree-vect-slp.c (vect_build_slp_tree): Refactor to build
5565 SLP node only if it built successfully.
5566 (vect_analyze_slp_instance): Adjust.
5568 2016-01-14 Jeff Law <law@redhat.com>
5570 PR tree-optimization/69270
5571 * tree-ssa-dom.c (ssa_name_has_boolean_range): New function.
5572 (record_edge_info): Use it. Convert boolean_{true,false}_node
5575 2016-01-13 Jan Hubicka <hubicka@ucw.cz>
5578 * ipa-polymorphic-call.c (inlined_polymorphic_ctor_dtor_block_p):
5579 use block_ultimate_origin
5580 (noncall-stmt_may_be_vtbl_ptr_store): Likewise.
5582 2016-01-13 Sandra Loosemore <sandra@codesourcery.com>
5584 * doc/invoke.texi (Submodel Options): Rename section to
5585 "Machine-Dependent Options" to better reflect its content.
5586 Rewrite introductory text to remove archaic CPU names.
5589 2016-01-13 Sandra Loosemore <sandra@codesourcery.com>
5591 * doc/invoke.texi (Code Gen Options): Move section up in file,
5592 before target-specific options. Update menu and option summary
5593 to reflect the new section ordering.
5595 2016-01-13 Jonathan Wakely <jwakely@redhat.com>
5597 * doc/invoke.texi (C Dialect Options): Adjust -std default for C++.
5598 (C++ Dialect Options): Add cross-reference to -std option.
5599 * doc/standards.texi (C++ Language): Document C++14 support.
5601 2016-01-13 Michael Meissner <meissner@linux.vnet.ibm.com>
5603 * config/rs6000/rs6000-builtin.def (BU_FLOAT128_2): Add support
5604 for pack/unpack functions for __ibm128.
5605 (PACK_IF): Likewise.
5606 (UNPACK_IF): Likewise.
5608 * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Add
5609 support for __ibm128 pack/unpack functions.
5610 (rs6000_invalid_builtin): Likewise.
5611 (rs6000_init_builtins): Likewise.
5612 (rs6000_opt_masks): Likewise.
5614 * config/rs6000/rs6000.h (MASK_FLOAT128): Add short name.
5615 (RS6000_BTM_FLOAT128): Add support for __ibm128 pack/unpack
5617 (RS6000_BTM_COMMON): Likewise.
5619 * config/rs6000/rs6000.md (f128_vsx): New mode attribute.
5620 (unpack<mode>): Use FMOVE128_FPR iterator instead of FMOVE128, to
5621 disallow __builtin_{pack,unpack}_longdouble if long double is IEEE
5622 128-bit floating point. Add support for the double values to be
5623 in Altivec registers for TF/IF packing and unpacking, but restrict
5624 TD packing sub-fields to be FPR registers. Don't allow overlapped
5625 register support for packing. Allow pack inputs to be memory
5626 locations. Don't build generator functions for unpack<mode>_dm
5627 and unpack<mode>_nodm.
5628 (unpack<mode>_dm): Likewise.
5629 (unpack<mode>_nodm): Likewise.
5630 (pack<mode>): Likewise.
5632 * config/rs6000/rs6000-builtin.def (__builtin_pack_ibm128): Add
5633 built-in functions to pack/unpack explicit __ibm128 values.
5634 (__builtin_unpack_ibm128): Likewise.
5636 * doc/extend.texi (PowerPC Built-in Functions): Document
5637 __builtin_pack_ibm128 and __builtin_unpack_ibm128.
5639 2016-01-13 Bernd Schmidt <bschmidt@redhat.com>
5642 * c-common.c (check_function_nonnull): Remove unnecessary declaration.
5643 Add new arg loc and pass it down as context.
5644 (check_nonnull_arg): Don't mark ctx arg as unused. Use it as a pointer
5645 to the location to use for the warning.
5646 (check_function_arguments): New arg loc. All callers changed. Pass
5647 it to check_function_nonnull.
5648 * c-common.h (check_function_arguments): Adjust declaration.
5650 2016-01-13 Jakub Jelinek <jakub@redhat.com>
5652 PR tree-optimization/69156
5653 * gimple.c (validate_type): Removed.
5654 (gimple_builtin_call_types_compatible_p): Use
5655 useless_type_conversion_p instead of validate_type.
5656 * value-prof.c (gimple_stringop_fixed_value): Fold
5657 icall_size to correct type.
5659 2016-01-13 Jonathan Wakely <jwakely@redhat.com>
5661 * doc/extend.texi (__atomic Builtins): Clarify compare_exchange
5664 2016-01-13 Richard Henderson <rth@redhat.com>
5667 * target.def (builtin_tm_load, builtin_tm_store): Remove.
5668 * config/i386/i386.c (ix86_builtin_tm_load): Remove.
5669 (ix86_builtin_tm_store): Remove.
5670 (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
5671 (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
5672 * doc/tm.texi.in (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
5673 (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
5674 * doc/tm.texi: Rebuild.
5676 * gtm-builtins.def (BUILT_IN_TM_MEMCPY_RNWT): New.
5677 (BUILT_IN_TM_MEMCPY_RTWN): New.
5678 * trans-mem.c (tm_log_emit_stmt): Rearrange code for better
5679 fallback from vector to integer helpers.
5680 (build_tm_load): Handle vector types directly, instead of
5682 (build_tm_store): Likewise.
5683 (expand_assign_tm): Prepare for register types not handled by
5684 the above. Copy them to memory and use memcpy.
5685 * tree.c (tm_define_builtin): New.
5686 (find_tm_vector_type): New.
5687 (build_tm_vector_builtins): New.
5688 (build_common_builtin_nodes): Call it.
5690 2016-01-13 Uros Bizjak <ubizjak@gmail.com>
5692 * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Return -1 for
5693 TARGET_SSE_MATH without TARGET_SSE2. Rewrite.
5695 2016-01-13 Tom de Vries <tom@codesourcery.com>
5697 PR tree-optimization/69169
5698 * tree-ssa-structalias.c (create_variable_info_for_1): Add and handle
5699 handled_struct_type param.
5700 (create_variable_info_for, intra_create_variable_infos): Call
5701 create_variable_info_for_1 with extra arg.
5703 2016-01-13 Yvan Roux <yvan.roux@linaro.org>
5705 * config/arm/arm-arches.def: Remove spurious whitespace in "armv8.1-a"
5706 and "armv8.1-a+crc" entries.
5708 2016-01-13 Alexander Fomin <alexander.fomin@intel.com>
5711 * config/i386/sse.md (define_expand "avx512pf_gatherpf<mode>sf"):
5712 Change first operand predicate from register_or_constm1_operand
5713 to register_operand.
5714 (define_expand "avx512pf_gatherpf<mode>df"): Likewise.
5715 (define_expand "avx512pf_scatterpf<mode>sf"): Likewise.
5716 (define_expand "avx512pf_scatterpf<mode>df"): Likewise.
5717 (define_insn "*avx512pf_gatherpf<mode>sf"): Remove.
5718 (define_insn "*avx512pf_gatherpf<mode>df"): Likewise.
5719 (define_insn "*avx512pf_scatterpf<mode>sf"): Likewise.
5720 (define_insn "*avx512pf_scatterpf<mode>df"): Likewise.
5721 * config/i386/i386.c (ix86_expand_builtin): Remove first operand
5722 comparison with constm1_rtx from vec_prefetch_gen part.
5724 2016-01-13 Richard Biener <rguenther@suse.de>
5726 PR tree-optimization/69013
5727 * tree-ssa-uninit.c (prune_uninit_phi_opnds_in_unrealizable_paths):
5728 Exchange assert for a test.
5730 2016-01-13 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
5733 * config/s390/s390.md (bswaphi splitter): Use simplify_gen_subreg.
5735 2016-01-13 Richard Biener <rguenther@suse.de>
5737 PR tree-optimization/69242
5738 * tree-ssa-sccvn.c (visit_reference_op_load): Replace bogus
5739 assert with a check.
5741 2016-01-13 Richard Biener <rguenther@suse.de>
5743 PR tree-optimization/69186
5744 * tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
5745 Properly guard vect_update_misalignment_for_peel call.
5747 2016-01-12 Jeff Law <law@redhat.com>
5749 PR tree-optimization/pr67755
5750 * tree-ssa-threadupdate.c (struct ssa_local_info_t): Add new field
5751 "need_profile_correction".
5752 (thread_block_1): Initialize new field to false by default. If we
5753 have multiple thread paths through a common joiner to different
5754 final targets, then set new field to true.
5755 (compute_path_counts): Only do count adjustment when it's really
5758 2016-01-12 Sandra Loosemore <sandra@codesourcery.com>
5760 * doc/invoke.texi (Spec Files): Move section down in file, past
5761 all command-line option descriptions.
5763 2016-01-12 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
5766 * doc/gty.texi: Remove documentation of mark_hook.
5767 * gengtype.c (struct write_types_data): Remove code to support
5768 mark_hook attribute.
5769 (walk_type): Likewise.
5770 (write_func_for_structure): Likewise.
5772 2016-01-12 Sandra Loosemore <sandra@codesourcery.com>
5774 * doc/invoke.texi (Option Summary) Move -no-canonical-prefixes to
5775 Directory Options, and -specs= to Overall Options.
5776 (Overall Options): Adjust similarly. Reorder to group related
5777 options together. Make -specs= cross-reference the spec file details.
5778 (Directory Options): Adjust similarly.
5780 2016-01-12 Jeff Law <law@redhat.com>
5782 * tree-ssa-threadupdate.c: Various whitespace and typo fixes.
5784 2016-01-12 Olivier Hainque <hainque@adacore.com>
5786 * gcc.c (spec_undefvar_allowed): New global.
5787 (process_command): Set to true when running for --version or --help,
5789 (getenv_spec_function): When the variable is not defined, use the
5790 variable name as the variable value if we're allowed not to issue
5793 2016-01-12 Bin Cheng <bin.cheng@arm.com>
5795 PR tree-optimization/68911
5796 * tree-vrp.c (adjust_range_with_scev): Check overflow in range
5797 information computed for expression "init + nit * step".
5799 2016-01-12 Sandra Loosemore <sandra@codesourcery.com>
5801 * doc/invoke.texi (Invoking GCC): Copy-edit. Incorporate information
5802 about name of GCC executable. Remove deleted node from menu.
5803 (Directory Options) <-B>: Remove cross-reference to deleted node.
5804 (Target Options): Delete section.
5806 2016-01-12 Christian Bruel <christian.bruel@st.com>
5809 * config/arm/arm-c.c (arm_pragma_target_parse): Set NODE_CONDITIONAL
5810 for __ARM_NEON_FP, __ARM_FP, _ARM_FEATURE_LDREX.
5812 2016-01-12 Jakub Jelinek <jakub@redhat.com>
5815 * config/i386/i386.c (ix86_expand_special_args_builtin): Ensure
5816 aligned_mem is properly set for AVX512-VL floating point masked
5820 * ifcvt.c (cond_exec_process_if_block): When removing the last
5821 insn from then_bb, remove also any possible barriers that follow it.
5823 2016-01-12 H.J. Lu <hongjiu.lu@intel.com>
5827 * config/i386/iamcu.h (SIZE_TYPE): New macro.
5828 (PTRDIFF_TYPE): Likewise.
5829 (WCHAR_TYPE): Likewise.
5830 (WCHAR_TYPE_SIZE): Likewise.
5831 (STDINT_LONG32): Likewise.
5833 2016-01-12 Richard Biener <rguenther@suse.de>
5835 PR tree-optimization/69053
5836 * tree-vect-loop.c (get_initial_def_for_reduction): Properly
5837 convert initial value for cond reductions.
5839 2016-01-12 Richard Biener <rguenther@suse.de>
5841 PR tree-optimization/69007
5842 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Move
5843 widen_sum after dot_prod and sad.
5845 2016-01-12 Richard Biener <rguenther@suse.de>
5847 PR tree-optimization/69168
5848 * tree-vect-loop.c (vect_analyze_loop_2): Reset both main and
5849 pattern stmt SLP type.
5850 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Patterns may
5851 end up unused so cope with that case.
5853 2016-01-12 Richard Biener <rguenther@suse.de>
5855 PR tree-optimization/69157
5856 * tree-vect-stmts.c (vectorizable_mask_load_store): Check
5857 stmts def type only during analyze phase.
5858 (vectorizable_call): Likewise.
5859 (vectorizable_simd_clone_call): Likewise.
5860 (vectorizable_conversion): Likewise.
5861 (vectorizable_assignment): Likewise.
5862 (vectorizable_shift): Likewise.
5863 (vectorizable_operation): Likewise.
5864 (vectorizable_store): Likewise.
5865 (vectorizable_load): Likewise.
5867 2016-01-12 Richard Biener <rguenther@suse.de>
5869 PR tree-optimization/69174
5870 * tree-vect-stmts.c (vect_mark_relevant): Remove excessive vertical
5872 (vectorizable_load): Properly compute the number of loads needed
5873 for permuted strided SLP loads and do not spuriously assign
5874 to SLP_TREE_VEC_STMTS.
5876 2016-01-12 Andris Pavenis <andris.pavenis@iki.fi>
5878 * config/i386/djgpp.h (PREFERRED_DEBUGGING_TYPE): Define to DWARF2
5879 (TARGET_ASM_OUTPUT_IDENT): Define to default_asm_output_ident_directive
5880 (MD_EXEC_PREFIX): Remove.
5881 (MD_STARTFILE_PREFIX) Removee.
5882 (FILE_NAME_ABSOLUTE_P): Remove.
5883 (CPP_SPEC): Do not read macros from sys/version.h.
5884 (LINK_COMMAND_SPEC): Remove.
5885 (LOCAL_INCLUDE_DIR): Remove.
5886 (TARGET_ASM_NAMED_SECTION): Define to i386_djgpp_asm_named_section
5887 (TARGET_OS_CPP_BUILTINS): Add DJGPP (non ISO only), __DJGPP, __DJGPP__, unix.
5888 (POST_LINK_SPEC): Define to invoke stubify after linker
5889 (LIBSTDCXX): Remove define
5890 (DBX_REGISTER_NUMBER): Define to svr4_dbx_register_map.
5891 (DEFAULT_PCC_STRUCT_RETURN): Define to 1.
5892 (SUBTARGET_OVERRIDE_OPTIONS): Remove warning about -mbnu2210.
5893 (SUBTARGET_OVERRIDE_OPTIONS): Ignore -fPIC and generate message.
5894 (SUBTARGET_OVERRIDE_OPTIONS): Default to DWARF2 debugging info.
5895 (IX86_MAYBE_NO_LIBGCC_TFMODE): Remove.
5896 (i386_djgpp_asm_named_section): Add propotype of new procedure
5898 * config/i386/xm-djgpp.h (NATIVE_SYSTEM_HEADER_DIR): Define.
5899 (MD_EXEC_PREFIX): Define (moved from config/i386/djgpp.h).
5900 (STANDARD_STARTFILE_PREFIX_1): Define (moved from MD_STARTFILE_PREFIX
5901 in config/i386/djgpp.h).
5902 (STANDARD_STARTFILE_PREFIX_2): Define identical to
5903 STANDARD_STARTFILE_PREFIX_1.
5904 (LOCAL_INCLUDE_DIR): Define (moved from config/i386/djgpp.h).
5905 (GCC_DRIVER_HOST_INITIALIZATION): Fix reporting fatal
5906 installation errors.
5907 (MAX_OFILE_ALIGNMENT): Define to 128.
5908 (HAVE_FTW_H): Undefine as DJGPP do not have nftw, but have ftw.h.
5910 * config/i386/djgpp.c: New file. Add implementation of
5911 i386_djgpp_asm_named_section.
5913 * config/i386/djgpp.opt: Remove obsolete option -mbnu210.
5915 * config/i386/t-djgpp: New file. Add djgpp.o to EXTRA_OBJS.
5916 Add rule for building djgpp.o.
5918 2016-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
5920 * config/rs6000/rs6000.c (v2df_reduction_p): New function.
5921 (rtx_is_swappable_p): Reductions are swappable.
5922 (insn_is_swappable_p): V2DF reductions are swappable.
5924 2016-01-11 John David Anglin <danglin@gcc.gnu.org>
5926 * config/pa/pa.c (pa_emit_move_sequence): Handle floating point
5927 reloads for other unsupported memory operands.
5929 2016-01-12 Kugan Vivekanandarajah <kuganv@linaro.org>
5930 Jim Wilson <jim.wilson@linaro.org>
5933 * config/arm/arm-builtins.c (arm_expand_neon_args): Call
5934 copy_to_mode_reg instead of force_reg.
5936 2016-01-11 H.J. Lu <hongjiu.lu@intel.com>
5939 * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Set to 2 only if
5940 TARGET_80387 is true.
5942 2016-01-11 Jakub Jelinek <jakub@redhat.com>
5945 * lra-eliminations.c (move_plus_up): Only move plus up
5946 if subreg of the constant can be simplified into constant
5947 and use the simplified subreg of the constant instead of
5948 the original constant.
5950 * fold-const.c (fold_convertible_p): Don't return true
5951 for conversion of VECTOR_TYPE to same sized integral type.
5952 (fold_convert_loc): Fix up formatting. Fold conversion of
5953 VECTOR_TYPE to same sized integral type using VIEW_CONVERT_EXPR
5954 instead of NOP_EXPR.
5956 PR tree-optimization/69214
5957 * tree-vrp.c (simplify_cond_using_ranges): Don't propagate
5958 innerop into a comparison if SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
5961 PR tree-optimization/69207
5962 * tree-vect-slp.c (vect_get_constant_vectors): For
5963 VECTOR_BOOLEAN_TYPE_P, assert op has integral type instead of
5964 fold_convertible_p to vector_type's element type, and always
5965 use VCE for non-VECTOR_BOOLEAN_TYPE_P.
5967 2016-01-11 Richard Biener <rguenther@suse.de>
5969 PR tree-optimization/69173
5970 * tree-vect-loop.c (vect_fixup_scalar_cycles_with_patterns): Only
5971 fixup the cycle if all stmts are in a pattern.
5973 2016-01-11 Uros Bizjak <ubizjak@gmail.com>
5976 * alias.c (base_alias_check): Move check for addresses with
5977 alignment ANDs before the call for compare_base_decls.
5978 (memrefs_conflict_p): Return -1 for different decls
5979 that went through alignment adjustments.
5981 2016-01-11 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
5983 PR rtl-optimization/68796
5984 * config/aarch64/aarch64.md (*and<mode>_compare0): New pattern.
5985 * config/aarch64/aarch64.c (aarch64_select_cc_mode): Handle HImode
5986 and QImode comparisons against zero with CC_NZmode.
5987 * config/aarch64/iterators.md (short_mask): New mode_attr.
5989 2016-01-11 H.J. Lu <hongjiu.lu@intel.com>
5991 * config/i386/sse.md (<avx512>_load<mode>_mask): Remove snprintf.
5992 (<avx512>_store<mode>_mask): Likewise.
5994 2016-01-11 Bernd Schmidt <bschmidt@redhat.com>
5995 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
5997 PR rtl-optimization/68841
5998 * ifcvt.c (struct noce_if_info): Add orig_x field.
5999 (bbs_ok_for_cmove_arith): Add to_rename parameter.
6000 Don't record conflicts on to_rename if it's present.
6001 Allow memory destinations in sets.
6002 (noce_try_cmove_arith): Call bbs_ok_for_cmove_arith even on simple
6003 blocks, passing orig_x to the checks.
6004 (noce_process_if_block): Set if_info->orig_x appropriately.
6006 2016-01-11 Tom de Vries <tom@codesourcery.com>
6008 PR tree-optimization/69069
6009 * tree-parloops.c (create_parallel_loop): Add missing phi args.
6011 2016-01-11 Yuri Rumyantsev <ysrumyan@gmail.com>
6013 PR rtl-optimization/68920
6014 * config/i386/i386.c (ix86_option_override_internal): Restrict number
6015 of conditional moves for RTL if-conversion to 1 for
6016 TARGET_ONE_IF_CONV_INSN.
6017 * config/i386/i386.h (TARGET_ONE_IF_CONV_INSN): New macros.
6018 * config/i386/x86-tune.def (X86_TUNE_ONE_IF_CONV_INSN): New macros.
6019 * params.def (PARAM_MAX_RTL_IF_CONVERSION_INSNS) : Introduce new
6020 parameter to restirct number of conditional moves for
6022 * doc/invoke.texi (max-rtl-if-conversion-insns): Document it.
6023 * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Limit number of
6026 2016-01-11 Alexandre Oliva <aoliva@redhat.com>
6029 * var-tracking.c (drop_overlapping_mem_locs): Operate on all
6030 onepart vars. Fix typo in comment. Fix reversed condition in
6032 (dataflow_set_remove_mem_locs): Operate on all onepart vars.
6035 * var-tracking.c (dump_onepart_variable_differences): New.
6036 (dataflow_set_different): If a detailed dump is requested,
6037 delay early returns and dump differences between onepart
6038 variables present before and after, and added variables.
6040 2016-01-11 Ilya Enkovich <enkovich.gnu@gmail.com>
6043 * expr.c (expand_expr_real_1): For boolean vector constants
6044 with a scalar mode use const_scalar_mask_from_tree.
6045 (const_scalar_mask_from_tree): New.
6046 * optabs.c (expand_vec_cond_mask_expr): Use mask mode
6047 assigned to a mask type to handle constants.
6049 2016-01-11 Martin Jambor <mjambor@suse.cz>
6052 * ipa-cp.c (estimate_local_effects): Do not clone for removal of
6053 useless parameters if we cannot change function signature.
6055 2016-01-11 Martin Jambor <mjambor@suse.cz>
6058 * cgraphclones.c (duplicate_thunk_for_node): Copy can_change_signature
6061 2016-01-11 Tom de Vries <tom@codesourcery.com>
6063 PR tree-optimization/69109
6064 * tree-parloops.c (try_transform_to_exit_first_loop_alt): Don't allow
6067 2016-01-11 Tom de Vries <tom@codesourcery.com>
6069 PR tree-optimization/69108
6070 * tree-parloops.c (gather_scalar_reductions): Handle case that outer phi
6071 res is not used in a phi.
6073 2016-01-11 Yury Gribov <y.gribov@samsung.com>
6076 * common.opt (frandom-seed): Fix parameter name.
6077 * doc/invoke.texi (frandom-seed): Ditto and describe parameter.
6079 2016-01-11 Tom de Vries <tom@codesourcery.com>
6081 PR tree-optimization/69058
6082 * tree-parloops.c (pass_parallelize_loops::execute): Return 0 if libgomp
6085 2016-01-11 Andrew Burgess <andrew.burgess@embecosm.com>
6087 * config/arc/arc.opt (mdiv-rem): Add period to the end.
6088 (mcode-density): Likewise.
6090 2016-01-10 Tom de Vries <tom@codesourcery.com>
6092 PR tree-optimization/69062
6093 * tree-parloops.c (loop_has_phi_with_address_arg): New function.
6094 (parallelize_loops): Don't paralelize loop that has phi with address
6097 2016-01-10 Tom de Vries <tom@codesourcery.com>
6099 PR tree-optimization/69039
6100 * tree-parloops.c (try_create_reduction_list): Only allow single exit
6103 2016-01-09 John David Anglin <danglin@gcc.gnu.org>
6106 * match.pd: Require target has function_c99_misc before doing
6107 truncl(extend(x)) and trunc(extend(x)) -> extend(truncf(x)), etc.
6109 2016-01-09 Gerald Pfeifer <gerald@pfeifer.com>
6111 * configure.ac (isl_options_set_schedule_serialize_sccs): Also
6113 * configure: Regenerate.
6115 2016-01-09 Jakub Jelinek <jakub@redhat.com>
6118 PR tree-optimization/69097
6119 * fold-const.h (expr_not_equal_to): New prototype.
6120 * fold-const.c: Include stringpool.h and tree-ssanames.h.
6121 (expr_not_equal_to): New function.
6122 * match.pd (X % -Y is the same as X % Y): Don't optimize
6123 unless X is known not to be equal to minimum or Y is known
6124 not to be equal to -1.
6125 * tree-vrp.c (simplify_div_or_mod_using_ranges): Add GSI argument.
6126 fold TRUNC_MOD_EXPR if the second argument is not a power of two.
6127 (simplify_stmt_using_ranges): Adjust caller.
6128 (vrp_finalize): Call set_value_range on SSA_NAMEs before calling
6129 substitute_and_fold.
6131 2016-01-09 Jan Hubicka <hubicka@ucw.cz>
6133 * ipa-icf.c (sem_item_optimizer::merge_classes): Do not ICE on VAR_DECL
6136 2016-01-08 Jakub Jelinek <jakub@redhat.com>
6138 PR tree-optimization/69167
6139 * gimple-fold.c (replace_stmt_with_simplification): Also punt if
6140 new SSA_NAME_OCCURS_IN_ABNORMAL_PHI SSA_NAMEs appear in operands of
6142 * gimple-match-head.c (maybe_push_res_to_seq): Likewise.
6144 2016-01-08 Alan Lawrence <alan.lawrence@arm.com>
6145 Richard Biener <rguenther@suse.de>
6147 PR tree-optimization/68707
6148 * tree-vect-slp.c (vect_analyze_slp_instance): Cancel permuted SLP
6149 instances that can be handled via vect_load_lanes.
6151 2016-01-08 Uros Bizjak <ubizjak@gmail.com>
6153 * symtab.c (symtab_node::equal_address_to): Return -1 instead of 2
6154 if we can't determine address equivalence.
6155 * alias.c (compare_base_decl): Update for changed return value of
6156 symtab_node::equal_address_to.
6158 2016-01-08 Jason Merrill <jason@redhat.com>
6162 * function.c (assign_temp): Guard against TREE_ADDRESSABLE types here.
6163 * expr.c (store_field): Not here.
6164 * tree-cfgcleanup.c (fixup_noreturn_call): Don't clear LHS of a
6165 call with TREE_ADDRESSABLE type.
6166 * tree-cfg.c (verify_gimple_call): Adjust.
6168 2016-01-08 Olivier Hainque <hainque@adacore.com>
6170 * config/vxworks.h (VXWORKS_LIBGCC_SPEC): Don't link shared RTPs with
6173 2016-01-08 Alan Lawrence <alan.lawrence@arm.com>
6175 * gcc.target/rs6000/paired.md (reduc_smax_v2sf): Rename to...
6176 (reduc_smax_scal_v2sf): ...here, make result SFmode, extract element.
6177 (reduc_smin_v2sf): Rename to...
6178 (reduc_smin_scal_v2sf): ...here, make result SFmode, extract element.
6179 (reduc_splus_v2sf): Rename to...
6180 (reduc_plus_scal_v2sf): ...here, make result SFmode, extract element.
6182 2016-01-08 Jakub Jelinek <jakub@redhat.com>
6184 PR tree-optimization/69162
6185 * gimplify.c (gimplify_va_arg_expr): Encode original type of
6186 valist argument in another argument.
6187 (gimplify_modify_expr): Adjust for the above change. Cleanup.
6188 * tree-stdarg.c (expand_ifn_va_arg_1): Use new 3rd argument
6189 to determine the va_list type, build a MEM_REF instead of
6190 build_fold_indirect_ref.
6192 PR tree-optimization/69172
6193 * gimple-fold.c (gimple_fold_builtin_memory_chk): Pass type to
6196 2016-01-08 Thomas Preud'homme <thomas.preudhomme@arm.com>
6198 PR tree-optimization/67781
6199 * tree-ssa-math-opts.c (find_bswap_or_nop): Zero out bytes in cmpxchg
6200 and cmpnop in two steps: first the ones not accessed in original
6201 gimple expression in a endian independent way and then the ones not
6202 accessed in the final result in an endian-specific way.
6204 2016-01-08 Jakub Jelinek <jakub@redhat.com>
6206 PR tree-optimization/69083
6207 * tree-vect-slp.c (vect_get_constant_vectors): For
6208 VECTOR_BOOLEAN_TYPE_P assert op is fold_convertible_p to vector_type's
6209 element type. If op is fold_convertible_p to vector_type's element
6210 type, use NOP_EXPR instead of VCE.
6212 2016-01-08 Segher Boessenkool <segher@kernel.crashing.org>
6214 PR rtl-optimization/67778
6215 PR rtl-optimization/68634
6216 PR rtl-optimization/68909
6217 * shrink-wrap.c (try_shrink_wrapping): Add comment. Don't pop
6218 block from the stack until done with it. Remove a superfluous
6219 bitmap set. Remove a superfluous bitmap test.
6221 2016-01-07 Martin Sebor <msebor@redhat.com>
6224 * doc/extend.texi (__atomic Builtins, __sync Builtins): Document
6225 constraint on the type of arguments.
6227 2016-01-07 Andreas Tobler <andreast@gcc.gnu.org>
6229 * config/arm/freebsd.h: Rename SUBTARGET_OVERRIDE_OPTIONS to
6230 SUBTARGET_OVERRIDE_INTERNAL_OPTIONS. Adjust to check
6231 unaligned_access on the gcc_options set.
6232 * config/arm/arm.c (arm_option_override_internal): Use
6233 SUBTARGET_OVERRIDE_INTERNAL_OPTIONS.
6235 2016-01-07 Uros Bizjak <ubizjak@gmail.com>
6238 * config/i386/i386.c (ix86_frame_pointer_required): Enable
6239 frame pointer for TARGET_64BIT_MS_ABI when stack is misaligned.
6241 2016-01-07 Uros Bizjak <ubizjak@gmail.com>
6244 2016-01-06 Uros Bizjak <ubizjak@gmail.com>
6247 * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
6248 depending on frame_pointer_needed before remaining integer and SSE
6249 registers are saved.
6251 2016-01-07 Sandra Loosemore <sandra@codesourcery.com>
6254 * doc/extend.texi (Nvidia PDX Function Attributes): New section.
6256 2016-01-07 H.J. Lu <hongjiu.lu@intel.com>
6259 * config/i386/sse.md (<sse>_sqrt<mode>2<mask_name><round_name>):
6260 Use the "xBm" constraint.
6261 (float<sseintvecmodelower><mode>2<mask_name><round_name):
6263 (sse_cvtsi2ss<round_name>): Use round_nimm_scalar_predicate.
6264 (sse_cvtsi2ssq<round_name>): Likewise.
6265 (sse_cvtss2si<round_name>): Likewise.
6266 (sse_cvtss2siq<round_name>): Likewise.
6267 (sse2_cvtsi2sdq<round_name>): Likewise.
6268 (sse2_cvtsd2si<round_name>): Likewise.
6269 (sse2_cvtsd2siq<round_name>): Likewise.
6270 * config/i386/subst.md (round_nimm_scalar_predicate): New
6273 2015-12-15 Bernd Schmidt <bschmidt@redhat.com>
6276 * varasm.c (make_decl_rtl): Mark invalid register vars as
6279 PR rtl-optimization/66206
6280 * bt-load.c (find_btr_use): Change first arg to be a pointer to an rtx.
6281 All callers changed.
6283 2016-01-07 Jakub Jelinek <jakub@redhat.com>
6285 PR tree-optimization/69141
6286 * tree-ssa-pre.c: Include langhooks.h.
6287 (eliminate_dom_walker::before_dom_children): Use
6288 lang_hooks.decl_printable_name instead of
6289 cgraph_node::get ()->name ().
6292 * gimple-expr.c (copy_var_decl): If var has DECL_USER_ALIGN set, copy
6293 it and DECL_ALIGN too.
6295 2016-01-06 Robert Suchanek <robert.suchanek@imgtec.com>
6297 * config/mips/mips-ftypes.def: Sort to lexicographical order.
6299 2016-01-06 Uros Bizjak <ubizjak@gmail.com>
6302 * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
6303 depending on frame_pointer_needed before remaining integer and SSE
6304 registers are saved.
6306 2015-01-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
6308 * config/rs6000/vsx.md (*p9_vecload_<mode>): Replace VSX_M
6309 mode iterator with VSX_M2.
6310 (*p9_vecstore_<mode>): Likewise.
6311 (*vsx_le_permute_<mode>): Restrict to !TARGET_P9_VECTOR.
6312 (*vsx_le_perm_load_<mode> for VSX_LE_128): Likewise.
6313 (*vsx_le_perm_store_<mode> for VSX_LE_128): Likewise.
6314 (define_split for VSX_LE128 stores): Likewise.
6315 (define_peephole2 for TImode LE swaps): Likewise.
6316 (define_split for VSX_LE128 post-reload stores): Likewise.
6318 2016-01-06 Marek Polacek <polacek@redhat.com>
6321 * convert.c (convert_to_integer_1): Adjust call to
6322 ubsan_instrument_float_cast. Use NULL_TREE instead of NULL.
6323 * ubsan.c (ubsan_instrument_float_cast): Drop the ARG parameter. Use
6324 EXPR instead of ARG.
6325 * ubsan.h (ubsan_instrument_float_cast): Adjust declaration.
6327 2016-01-05 Sandra Loosemore <sandra@codesourcery.com>
6330 * doc/extend.texi (RL78 Variable Attributes): New section.
6332 2016-01-05 Marek Polacek <polacek@redhat.com>
6335 * builtins.c (get_memmodel): Use expansion point location rather than
6336 the input location. Call warning_at rather than warning.
6337 (expand_builtin_atomic_compare_exchange): Likewise.
6338 (expand_builtin_atomic_load): Likewise.
6339 (expand_builtin_atomic_store): Likewise.
6340 (expand_builtin_atomic_clear): Likewise.
6342 2016-01-05 H.J. Lu <hongjiu.lu@intel.com>
6345 * config/i386/i386.c (ix86_expand_vector_logical_operator):
6346 Replace nonimmediate_operand with vector_operand.
6347 * config/i386/predicates.md (vector_operand): New predicate.
6348 (general_vector_operand): Replace nonimmediate_operand with
6350 * config/i386/sse.md: Replace nonimmediate_operand with
6351 vector_operand and m constraint with Bm constraint on SSE
6352 patterns with 16-byte memory operand.
6353 * config/i386/subst.md (round_nimm_predicate): Replace
6354 nonimmediate_operand with vector_operand.
6355 (round_saeonly_nimm_predicate): Likewise.
6356 (round_saeonly_nimm_scalar_predicate): New.
6358 2016-01-05 H.J. Lu <hongjiu.lu@intel.com>
6361 * config/i386/constraints.md (Bm): New constraint.
6362 * config/i386/predicates.md (vector_memory_operand): New
6364 * config/i386/sse.md: Replace xm with xBm in plusminus and
6367 2016-01-05 Sandra Loosemore <sandra@codesourcery.com>
6370 * doc/extend.texi (V850 Function Attributes): New section.
6371 (V850 Variable Attributes): New section.
6373 2016-01-05 Sandra Loosemore <sandra@codesourcery.com>
6376 * doc/extend.texi (MicroBlaze Function Attributes): Document
6377 interrupt_handler and fast_interrupt attributes.
6379 2016-01-05 Sergei Trofimovich <siarheit@google.com>
6382 * config/ia64/ia64.c (ia64_expand_load_address): Use gprel64
6383 for local symbolic operands.
6384 * config/ia64/predicates.md (local_symbolic_operand64): New
6387 2016-01-05 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
6389 PR rtl-optimization/68651
6390 * combine.c (combine_simplify_rtx): Canonicalize x + x into
6393 2016-01-05 Nathan Sidwell <nathan@acm.org>
6395 * alias.c (compare_base_decls): Use symtab_node::get.
6397 2016-01-05 Nick Clifton <nickc@redhat.com>
6400 * ira-costs.c (copy_cost): Initialise the t_icode field of the
6401 secondary_reload_info structure.
6404 * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Define to use weak
6405 decls if weak support is available.
6407 2016-01-04 Martin Sebor <msebor@redhat.com>
6409 * doc/invoke.texi (Warning Options): Document -Winvalid-memory-model.
6411 2016-01-04 Michael Meissner <meissner@linux.vnet.ibm.com>
6413 * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Add
6414 OPTION_MASK_P9_DFORM.
6416 * config/rs6000/constraints.md (wo constraint): New constraint for
6419 * config/rs6000/rs6000.c (rs6000_debug_reg_global): Add support
6421 (rs6000_init_hard_regno_mode_ok): Likewise.
6423 * config/rs6000/rs6000.h (r6000_reg_class_enum): Add support for
6426 * config/rs6000/altivec.md (altivec_vperm_<mode>): Clean up vperm
6427 expanders not to have constraints. Add support for ISA 3.0 xxperm
6428 instruction. Add support for fusing xxlor with xxperm.
6429 (altivec_vperm_<mode>_internal): Likewise.
6430 (altivec_vperm_v8hiv16qi): Likewise.
6431 (altivec_vperm_<mode>v16q): Likewise.
6432 (altivec_vperm_<mode>_uns): Likewise.
6433 (vperm_v8hiv4si): Likewise.
6434 (vperm_v16qiv8hi): Likewise.
6436 * doc/md.texi (RS/6000 constraints): Document wo constraint.
6438 2016-01-04 Jakub Jelinek <jakub@redhat.com>
6440 Update copyright years.
6442 * gcc.c (process_command): Update copyright notice dates.
6443 * gcov-dump.c (print_version): Ditto.
6444 * gcov.c (print_version): Ditto.
6445 * gcov-tool.c (print_version): Ditto.
6446 * gengtype.c (create_file): Ditto.
6447 * doc/cpp.texi: Bump @copying's copyright year.
6448 * doc/cppinternals.texi: Ditto.
6449 * doc/gcc.texi: Ditto.
6450 * doc/gccint.texi: Ditto.
6451 * doc/gcov.texi: Ditto.
6452 * doc/install.texi: Ditto.
6453 * doc/invoke.texi: Ditto.
6455 2016-01-04 Eric Botcazou <ebotcazou@adacore.com>
6457 * config/arm/arm.c (aapcs_vfp_allocate_return_reg): Treat all integer
6458 modes larger than TImode as TImode if NEON is not enabled.
6460 2016-01-04 Eric Botcazou <ebotcazou@adacore.com>
6463 * config/sparc/sparc.h (FUNCTION_ARG_REGNO_P): Return true in 64-bit
6464 mode for %f0-%f31 only if TARGET_FPU.
6466 2016-01-04 Eric Botcazou <ebotcazou@adacore.com>
6469 * config/sparc/sparc.c (scan_record_type): Take into account subfields
6470 to compute the PACKED_P predicate.
6471 (function_arg_record_value): Minor tweaks.
6473 2016-01-04 Thomas Preud'homme <thomas.preudhomme@arm.com>
6475 * doc/install.texi (--with-multilib-list): Describe the meaning of the
6476 option for arm*-*-* targets.
6478 2016-01-03 Sandra Loosemore <sandra@codesourcery.com>
6480 * doc/extend.texi (Common Function Attributes): Move docs for
6481 MSP430-specific attributes to....
6482 (MSP430 Function Attributes): ...here. Delete the redundant
6483 entries and copy-edit the remaining text.
6484 (MSP430 Variable Attributes): Use uniform format for index
6485 entries and add a cross-reference to the corresponding function
6488 2016-01-03 Vladimír Čunát <vcunat@gmail.com>
6490 * doc/invoke.texi (RS/6000 and PowerPC Options): Fix
6492 (x86 Options): Likewise.
6494 2016-01-01 Sandra Loosemore <sandra@codesourcery.com>
6498 * extend.texi (Common Function Attributes) <no_stack_limit>: New.
6499 * invoke.texi (Code Gen Options) <-fno-stack-limit>: Add pointer
6500 to corresponding attribute.
6502 2016-01-01 Sandra Loosemore <sandra@codesourcery.com>
6504 * doc/extend.texi (Common Function Attributes) <noplt>: Move
6505 to correct alphabetization of table. Copy-edit and correct
6507 <stack_protect>: Likewise.
6508 <target_clones>: Likewise.
6510 * doc/invoke.texi (Optimize Options) <-fstack-protector-explicit>:
6511 Correct punctuation.
6512 (Code Gen Options) <-fno-plt>: Copy-edit.
6514 2016-01-01 Bernd Edlinger <bernd.edlinger@hotmail.de>
6517 * config/tilegx/tilegx.md (clzsi2): Don't create DI subregs of
6518 SI values. Explicitly convert SI to DI and vice-versa.
6520 2016-01-01 Jakub Jelinek <jakub@redhat.com>
6522 PR tree-optimization/69070
6523 * tree-ssa-math-opts.c (gimple_expand_builtin_pow): Only test
6524 REAL_VALUE_ISSIGNALING_NAN on arg0 if arg0 is a REAL_CST.
6527 * ubsan.c (ubsan_instrument_float_cast): Call
6528 initialize_sanitizer_builtins.
6531 * ifcvt.c (find_cond_trap): Give up if returnjump_p (jump).
6533 Copyright (C) 2016 Free Software Foundation, Inc.
6535 Copying and distribution of this file, with or without modification,
6536 are permitted in any medium without royalty provided the copyright
6537 notice and this notice are preserved.