1 2016-02-22 Richard Biener <rguenther@suse.de>
3 PR tree-optimization/69882
4 * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Properly
5 preserve permutations present because of gaps.
6 (vect_supported_load_permutation_p): Always continue checking
7 permutations after vect_attempt_slp_rearrange_stmts.
9 2016-02-22 Bin Cheng <bin.cheng@arm.com>
11 * tree-vect-loop.c (vect_estimate_min_profitable_iters): Dump
12 min_profitable_estimate, rather than min_profitable_iters.
14 2016-02-22 Jakub Jelinek <jakub@redhat.com>
17 * config/m68k/m68k.md (ashldi3, ashrdi3, lshrdi3): Use
18 SImode for last match_operand.
20 2016-02-22 Martin Liska <mliska@suse.cz>
22 * hsa-gen.c (gen_hsa_clrsb): In case of zero value,
23 return bitsize - 1 as the return value.
25 2016-02-22 Oleg Endo <olegendo@gcc.gnu.org>
29 * config/sh/sh.c (sh_lshrsi_clobbers_t_reg_p, sh_dynamicalize_shift_p):
30 Handle negative shift counts.
31 * config/sh/sh.md (ashlsi3, lshrsi3_n, lshrsi3_n_clobbers_t): Don't use
32 force_reg on the shift constant.
33 (lshrsi3): Likewise. Expand into lshrsi3_n* instead of lshrsi3_d.
34 (lshrsi3_d): Handle negative shift counts.
36 2016-02-22 Richard Biener <rguenther@suse.de>
37 Tom de Vries <tom@codesourcery.com>
39 * graph.c: Include dumpfile.h.
40 (print_graph_cfg): Split into three overloads.
41 * gdbhooks.py (class DotFn): Add and instantiate, adding command dot-fn.
43 2016-02-22 Tom de Vries <tom@codesourcery.com>
45 * gdbhooks.py (class DumpFn): Add and instantiate, adding command
48 2016-02-22 Richard Biener <rguenther@suse.de>
51 * ipa-inline-transform.c (inline_call): When not updating
52 overall summaries adjust self size by the growth estimate.
53 * ipa-inline.c (inline_to_all_callers_1): Add to the callers
54 hash-set, do not update overall summaries here. Renamed from ...
55 (inline_to_all_callers): ... this which is now wrapping the
56 above and performing delayed overall summary update.
57 (early_inline_small_functions): Delay updating of the overall
60 2016-02-21 Markus Trippelsdorf <markus@trippelsdorf.de>
62 * tree-chkp.c (chkp_mark_invalid_bounds_walker): Initialize
65 2016-02-19 Jakub Jelinek <jakub@redhat.com>
68 * gcc.c (LINK_COMMAND_SPEC, GOMP_SELF_SPECS): Use
69 :%* in %:gt() argument.
70 (greater_than_spec_func): Adjust for expecting only numbers,
71 if there are more than two numbers, compare the last two.
73 2016-02-19 Jonathan Wakely <jwakely@redhat.com>
75 * doc/invoke.texi (C++ Dialect Options): Clarify interaction of
76 -Wnarrowing with -std.
78 2016-02-19 Jakub Jelinek <jakub@redhat.com>
81 * expr.c (store_field): Don't use bit-field path if exp is
82 COMPONENT_REF with TREE_ADDRESSABLE type, where TYPE_SIZE is
83 different from bitsize, but DECL_SIZE of FIELD_DECL is bitsize
84 and the assignment can be performed by bitwise copy. Formatting
88 * lra.c (lra_process_new_insns): If non-call exceptions are enabled,
89 call copy_reg_eh_region_note_forward on before and/or after sequences
90 and remove note from insn if it no longer can throw.
93 * config/i386/sse.md (VI_512): Only include V64QImode and V32HImode
96 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
98 * config/s390/vector.md: Add missing commutative operand markers
99 to the patterns which qualify for one.
100 * config/s390/vx-builtins.md: Likewise.
102 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
104 * config/s390/vector.md (VI, VI_QHS): Add single element vector
105 types to mode iterators.
106 (vec_double): ... and mode attribute.
107 * config/s390/vx-builtins.md (non_vec_int): Likewise.
109 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
111 * config/s390/vector.md ("<ti*>add<mode>3", "<ti*>sub<mode>3"):
112 Change the predicate of op2 from nonimmediate to general and let
113 reload fix it if necessary.
115 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
117 * config/s390/vecintrin.h (vec_sub_u128): Define missing macro.
119 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
121 * config/s390/s390.c (s390_expand_vcond): Use the compare operand
124 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
126 * config/s390/s390-protos.h: Add s390_expand_vec_movstr prototype.
127 * config/s390/s390.c (s390_expand_vec_movstr): New function.
128 * config/s390/s390.md ("movstr<P:mode>"): Call
129 s390_expand_vec_movstr.
131 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
133 * config/s390/s390.md: Add missing output modifier for operand 1
134 to print it as address properly.
136 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
138 * config/s390/2827.md: Rename ooo_* insn attributes to zEC12_*.
139 * config/s390/2964.md: New file.
140 * config/s390/s390.c (s390_get_sched_attrmask): Use the right set
141 of insn grouping attributes depending on the CPU level.
142 (s390_get_unit_mask): New function.
143 (s390_sched_score): Remove the OOO from the scheduling macros.
144 Add loop to calculate a score for the instruction mix.
145 (s390_sched_reorder): Likewise plus improve debug output.
146 (s390_sched_variable_issue): Rename macros as above. Calculate
147 the unit distances after actually scheduling an insn. Improve
149 (s390_sched_init): Clear last_scheduled_unit_distance array.
150 * config/s390/s390.md: Include 2964.md.
152 2016-02-18 Jakub Jelinek <jakub@redhat.com>
155 * config/i386/sse.md (*<floatsuffix>floatv2div2sf2_mask_1,
156 *avx512vl_<code>v2div2qi2_mask_1, *avx512vl_<code><mode>v4qi2_mask_1,
157 *avx512vl_<code><mode>v8qi2_mask_1, *avx512vl_<code><mode>v4hi2_mask_1,
158 *avx512vl_<code>v2div2hi2_mask_1, *avx512vl_<code>v2div2si2_mask_1,
159 *avx512f_<code>v8div16qi2_mask_1): New insns.
161 2016-02-18 Michael Meissner <meissner@linux.vnet.ibm.com>
164 * config/rs6000/predicates.md (fusion_gpr_addis): Revert
167 * config/rs6000/rs6000.md (fusion_gpr_load_<mode>): Remove
168 earlyclobber from target. Use wF constraint for fused memory
170 (fusion_gpr_<P:mode>_<GPR_FUSION:mode>_load): Likewise.
172 2016-02-18 Jakub Jelinek <jakub@redhat.com>
173 Martin Liska <mliska@suse.cz>
176 * cfgexpand.c (asan_sanitize_stack_p): New function.
177 (partition_stack_vars): Use the function.
178 (expand_stack_vars): Likewise.
179 (defer_stack_allocation): Likewise.
180 (expand_used_vars): Likewise.
182 2016-02-18 Richard Biener <rguenther@suse.de>
185 * fold-const.c (operand_equal_p): Properly compare offsets for
186 IMAGPART_EXPR and ARRAY_REF.
188 2016-02-18 Nick Clifton <nickc@redhat.com>
192 * config/arm/arm.c (arm_option_override_internal): Disable
193 interworking if the target does not support thumb instructions.
194 (arm_reload_in_hi): Handle the case where a register to register
195 move needs reloading because there is no simple pattern to handle
197 (arm_reload_out_hi): Likewise.
199 2016-02-18 Richard Biener <rguenther@suse.de>
202 * match.pd: Don't use fold_binary or fold_unary for folding
205 2016-02-17 Jakub Jelinek <jakub@redhat.com>
208 * gimplify.c (gimplify_cond_expr): Call gimple_set_no_warning
209 on the cond_stmt from TREE_NO_WARNING on COND_EXPR_COND.
210 * gimple-ssa-nonnull-compare.c (do_warn_nonnull_compare): Don't
211 warn on gimple_no_warning_p statements.
213 2016-02-17 Jonathan Wakely <jwakely@redhat.com>
215 * doc/extend.texi (C++ Attributes): Correct description of
216 warn_unused type attribute.
218 2016-02-17 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
220 * config/rs6000/altivec.md (*altivec_lvxl_<mode>_internal): Output
223 2016-02-17 Richard Biener <rguenther@suse.de>
225 PR rtl-optimization/69609
226 * bb-reorder.c (struct bbro_basic_block_data): Add priority member.
227 (find_traces_1_round): When ending a trace update cached priority
229 (bb_to_key): Use cached priority when available.
230 (copy_bb): Initialize cached priority.
231 (reorder_basic_blocks_software_trace_cache): Likewise.
233 2016-02-17 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
236 * config/aarch64/predicates.md (aarch64_comparison_operator_mode):
238 (aarch64_comparison_operator): Break overly long line into two.
239 (aarch64_comparison_operation): Likewise.
240 * config/aarch64/aarch64.md (cstorecc4): Use
241 aarch64_comparison_operator_mode instead of
242 aarch64_comparison_operator.
243 (cstore<mode>4): Likewise.
244 (aarch64_cstore<mode>): Likewise.
245 (*cstoresi_insn_uxtw): Likewise.
246 (cstore<mode>_neg): Likewise.
247 (*cstoresi_neg_uxtw): Likewise.
249 2016-02-17 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
252 * config/arm/predicates.md (arm_comparison_operator_mode):
254 * config/arm/arm.md (*mov_scc): Use arm_comparison_operator_mode
255 instead of arm_comparison_operator.
256 (*mov_negscc): Likewise.
257 (*mov_notscc): Likewise.
258 * config/arm/thumb2.md (*thumb2_mov_scc): Likewise.
259 (*thumb2_mov_negscc): Likewise.
260 (*thumb2_mov_negscc_strict_it): Likewise.
261 (*thumb2_mov_notscc): Likewise.
262 (*thumb2_mov_notscc_strict_it): Likewise.
264 2016-02-17 Wilco Dijkstra <wdijkstr@arm.com>
266 * config/aarch64/aarch64.c (aarch64_internal_mov_immediate):
269 2016-02-17 Eric Botcazou <ebotcazou@adacore.com>
271 * config/visium/visium.c (machine_libfunc_index): New enum.
272 (machine_libfuncs): New structure.
273 (visium_libfuncs): New static variable.
274 (TARGET_INIT_LIBFUNCS): Define to...
275 (visium_init_libfuncs): ...this. New function.
276 (expand_block_move_4): Use the appropriate libfunc.
277 (expand_block_move_2): Likewise.
278 (expand_block_move_1): Likewise.
279 (expand_block_set_4): Likewise.
280 (expand_block_set_2): Likewise.
281 (expand_block_set_1): Likewise.
282 (visium_trampoline_init): Likewise.
284 2016-02-17 Nick Clifton <nickc@redhat.com>
286 * config/msp430/msp430.c (msp430_mcu_data): Sync with data from
287 TI's devices.csv file as of March 2016.
289 2016-02-16 Kelvin Nilsen <kelvin@gcc.gnu.org>
292 * opts-global.c (handle_common_deferred_options): Introduce and
293 initialize two global variables to remember command-line options
294 specifying a stack-limiting register.
295 * opts.h: Add extern declarations of the two new global variables.
296 * emit-rtl.c (init_emit_once): Initialize the stack_limit_rtx
297 variable based on the values of the two new global variables.
299 2016-02-16 Jakub Jelinek <jakub@redhat.com>
302 * common.opt (Wnonnull-compare): New warning.
303 * doc/invoke.texi (-Wnonnull): Remove text about comparison
304 of arguments against NULL.
305 (-Wnonnull-compare): Document.
306 * Makefile.in (OBJS): Add gimple-ssa-nonnull-compare.o.
307 * tree-pass.h (make_pass_warn_nonnull_compare): Declare.
308 * passes.def (pass_warn_nonnull_compare): Add.
309 * gimple-ssa-nonnull-compare.c: New file.
311 2016-02-16 James Greenhalgh <james.greenhalgh@arm.com>
313 * config/aarch64/aarch64.c (cortexa57_tunings): Remove
314 AARCH64_EXTRA_TUNE_RECIP_SQRT.
316 2016-02-16 James Greenhalgh <james.greenhalgh@arm.com>
318 * config/aarch64/aarch64.c (use_rsqrt_p): Always use software
319 reciprocal sqrt for -mlow-precision-recip-sqrt.
321 2016-02-16 James Greenhalgh <james.greenhalgh@arm.com>
322 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
324 * config/aarch64/aarch64.c (aarch64_expand_vector_init): Refactor,
325 always use lane loads to construct non-constant vectors.
327 2016-02-16 James Greenhalgh <james.greenhalgh@arm.com>
329 * config/aarch64/aarch64.md
330 (arch64_sqrdml<SQRDMLH_AS:rdma_as>h_lane<mode>): Fix register
331 constraints for operand 3.
332 (aarch64_sqrdml<SQRDMLH_AS:rdma_as>h_laneq<mode>): Likewise.
334 2016-02-16 Jakub Jelinek <jakub@redhat.com>
335 Richard Biener <rguenther@suse.de>
337 PR tree-optimization/69820
338 * tree-vect-patterns.c (type_conversion_p): Return false if
339 *orig_type is unsigned single precision or boolean.
340 (vect_recog_dot_prod_pattern, vect_recog_widen_mult_pattern):
343 2016-02-16 Jakub Jelinek <jakub@redhat.com>
345 PR rtl-optimization/69764
346 PR rtl-optimization/69771
347 * optabs.c (expand_binop): Ensure for shift optabs invalid CONST_INT
348 op1 is valid for GET_MODE_INNER (mode) and force it into a reg.
350 2016-02-16 Richard Biener <rguenther@suse.de>
352 PR tree-optimization/69776
353 * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Get alias
355 (indirect_refs_may_alias_p): Likewise.
356 (refs_may_alias_p_1): Pass alias sets as from ao_ref.
357 * tree-ssa-sccvn.c (vn_reference_lookup): Also adjust vr alias-set
359 * tree-ssa-dom.c (lookup_avail_expr): Add tbaa_p flag.
360 (optimize_stmt): For redundant store discovery do not allow tbaa.
362 2016-02-16 Bernd Schmidt <bschmidt@redhat.com>
364 PR tree-optimization/69714
365 * tree-ssa-math-opts.c (find_bswap_or_nop): Revert previous change.
366 Return NULL if we have irrelevant high bytes on BIG_ENDIAN.
368 2016-02-16 Claudiu Zissulescu <claziss@synopsys.com>
370 * config/arc/arc-modes.def (CC_FPU, CC_FPU_UNEQ): New modes.
371 * config/arc/arc-opts.h (FPU_SP, FPU_SF, FPU_SC, FPU_SD, FPU_DP)
372 (FPU_DF, FPU_DC, FPU_DD, FXP_DP): Define.
373 * config/arc/arc.c (arc_init): Check FPU options.
374 (get_arc_condition_code): Handle new CC_FPU* modes.
375 (arc_select_cc_mode): Likewise.
376 (arc_conditional_register_usage): Allow 64 bit datum into even-odd
377 register pair only. Allow access for ARCv2 accumulator.
378 (gen_compare_reg): Whenever we have FPU support use FPU compare
380 (arc_reorg): Don't generate brcc insns when FPU compare
381 instructions are involved.
382 * config/arc/arc.h (TARGET_DPFP): Add TARGET_FP_DPAX condition.
383 (TARGET_OPTFPE): Add condition when ARC EM can use optimized
384 floating point emulation.
385 (ACC_REG_FIRST, ACC_REG_LAST, ACCL_REGNO, ACCH_REGNO): Define.
386 (REVERSE_CONDITION): Add new CC_FPU* modes.
387 (TARGET_FP_SP_BASE): Define.
388 (TARGET_FP_DP_BASE): Likewise.
389 (TARGET_FP_SP_FUSED): Likewise.
390 (TARGET_FP_DP_FUSED): Likewise.
391 (TARGET_FP_SP_CONV): Likewise.
392 (TARGET_FP_DP_CONV): Likewise.
393 (TARGET_FP_SP_SQRT): Likewise.
394 (TARGET_FP_DP_SQRT): Likewise.
395 (TARGET_FP_DP_AX): Likewise.
396 * config/arc/arc.md (ARCV2_ACC): New constant.
397 (type): New fpu type attribute.
398 (SDF): Conditional iterator.
399 (cstore<mode>, cbranch<mode>): Change expand condition.
400 (addsf3, subsf3, mulsf3, adddf3, subdf3, muldf3): New expands,
401 handles FPU/FPX cases as well.
402 * config/arc/arc.opt (mfpu): New option.
403 * config/arc/fpx.md (addsf3_fpx, subsf3_fpx, mulsf3_fpx):
405 (adddf3, muldf3, subdf3): Removed.
406 * config/arc/predicates.md (proper_comparison_operator): Recognize
408 * config/arc/fpu.md: New file.
409 * doc/invoke.texi (ARC Options): Document mfpu option.
411 2016-02-16 Richard Biener <rguenther@suse.de>
413 PR rtl-optimization/69291
414 * ifcvt.c (noce_try_store_flag_constants): Re-instantiate
415 noce_operand_ok check.
417 2016-02-16 Tom de Vries <tom@codesourcery.com>
420 * omp-low.c (simd_clone_create): Remove call to
421 symtab->call_cgraph_insertion_hooks.
423 2016-02-16 Jakub Jelinek <jakub@redhat.com>
425 PR tree-optimization/69802
426 * tree-ssa-reassoc.c (update_range_test): If op is
427 SSA_NAME_IS_DEFAULT_DEF, give up unless tem is a positive
428 op == 1 test of precision 1 integral op, otherwise handle
429 that case as op itself. Fix up formatting.
430 (optimize_range_tests_to_bit_test, optimize_range_tests): Fix
433 2016-02-16 Richard Biener <rguenther@suse.de>
435 PR tree-optimization/69586
436 * tree-vrp.c (register_edge_assert_for_2): Handle all integral
437 types for conversion sources.
439 2016-02-16 Richard Biener <rguenther@suse.de>
442 * fold-const.c (operand_equal_p): For COND_EXPR zero operand
445 2016-02-16 Alan Modra <amodra@gmail.com>
448 * config/rs6000/rs6000.md (reload_vsx_from_gprsf): Rewrite splitter.
449 (p8_mtvsrd_df, p8_mtvsrd_sf): New.
450 (p8_mtvsrd_1, p8_mtvsrd_2): Delete.
452 (p8_mtvsrwz_1, p8_mtvsrwz_2): Delete.
453 (p8_xxpermdi_<mode>): Take two DF inputs rather than one TF.
454 (p8_fmrgow_<mode>): Likewise.
455 (reload_vsx_from_gpr<mode>): Make clobber IF. Adjust for above
457 (reload_fpr_from_gpr<mode>): Similarly. Use "d" for op0 constraint.
458 (reload_vsx_from_gprsf): Use p8_mtvsrd_sf rather than attempting
459 to use movdi_internal64. Remove op0_di.
460 * config/rs6000/vsx.md (vsx_xscvspdpn_directmove): Make op1 SFmode.
462 2016-02-15 Evandro Menezes <e.menezes@samsung.com>
464 Add support for the FCCMP insn types
466 * config/aarch64/aarch64.md (fccmp): Change insn type.
468 * config/aarch64/thunderx.md (thunderx_fcmp): Add "fccmp{s,d}" types.
469 * config/arm/cortex-a53.md (cortex_a53_fpalu): Likewise.
470 * config/arm/cortex-a57.md (cortex_a57_fp_cmp): Likewise.
471 * config/arm/xgene1.md (xgene1_fcmp): Likewise.
472 * config/arm/exynos-m1.md (exynos_m1_fp_ccmp): New insn reservation.
473 * config/arm/types.md (fccmps): Add new insn type.
476 2016-02-15 Bernd Edlinger <bernd.edlinger@hotmail.de>
478 * alias.c (get_alias_set): Fix a typo in comment.
480 2016-02-15 Richard Biener <rguenther@suse.de>
482 PR tree-optimization/69595
483 * match.pd: Complete range test simplification to true.
485 2016-02-15 Bernd Schmidt <bschmidt@redhat.com>
487 PR rtl-optimization/69648
488 * lra-constraints.c (update_ebb_live_info): Don't remove sets of
489 pic_offset_table_rtx.
491 PR rtl-optimization/69752
492 * ira.c (update_equiv_regs): When looking for more than a single SET,
493 also take other side effects into account.
495 2016-02-15 Marcin Kościelnicki <koriakin@0x04.net>
497 * config/s390/s390.c (s390_function_profiler): Add a new sequence
498 for z900+ CPUs in 31-bit mode.
500 2016-02-15 Marcin Kościelnicki <koriakin@0x04.net>
502 * common/config/s390/s390-common.c (s390_supports_split_stack):
504 (TARGET_SUPPORTS_SPLIT_STACK): New macro.
505 * config/s390/s390-protos.h: Add s390_expand_split_stack_prologue.
506 * config/s390/s390.c (struct machine_function): New field
507 split_stack_varargs_pointer.
508 (s390_register_info): Mark r12 as clobbered if it'll be used as temp
509 in s390_emit_prologue.
510 (s390_emit_prologue): Use r12 as temp if r1 is taken by split-stack
512 (morestack_ref): New global.
513 (SPLIT_STACK_AVAILABLE): New macro.
514 (s390_expand_split_stack_prologue): New function.
515 (s390_live_on_entry): New function.
516 (s390_va_start): Use split-stack vararg pointer if appropriate.
517 (s390_asm_file_end): Emit the split-stack note sections.
518 (TARGET_EXTRA_LIVE_ON_ENTRY): New macro.
519 * config/s390/s390.md (UNSPEC_STACK_CHECK): New unspec.
520 (UNSPECV_SPLIT_STACK_CALL): New unspec.
521 (UNSPECV_SPLIT_STACK_DATA): New unspec.
522 (split_stack_prologue): New expand.
523 (split_stack_space_check): New expand.
524 (split_stack_data): New insn.
525 (split_stack_call): New expand.
526 (split_stack_call_*): New insn.
527 (split_stack_cond_call): New expand.
528 (split_stack_cond_call_*): New insn.
530 2016-02-15 Richard Biener <rguenther@suse.de>
532 PR tree-optimization/69783
533 * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
534 Add trivially correct cases.
536 2016-02-15 Tom de Vries <tom@codesourcery.com>
539 * lto-cgraph.c (input_offload_tables): Add and handle bool parameter
541 * lto-streamer.h (input_offload_tables): Add and handle bool parameter.
543 2016-02-15 Richard Biener <rguenther@suse.de>
545 PR tree-optimization/69776
546 * tree-ssa-sccvn.h (vn_reference_lookup): Adjust prototype.
547 * tree-ssa-sccvn.c (vn_reference_lookup): Add parameter to
548 indicate whether we can use TBAA to disambiguate against stores.
549 Use alias-set zero if not.
550 (visit_reference_op_store): Do not use TBAA when looking up
552 * tree-ssa-pre.c (compute_avail): Use TBAA here.
553 (eliminate_dom_walker::before_dom_children): But not when looking
556 2016-02-14 John David Anglin <danglin@gcc.gnu.org>
558 * config/pa/pa.md (absqi2, absghi2, bswaphi2, bswapsi2, bswapdi2): New.
560 2016-02-14 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
562 * config/i386/znver1.md
563 (znver1_pop, znver1_pop_mem,
564 znver1_load_imov_double_store,
565 znver1_load_imov_direct_store,
566 znver1_load_imov_direct_load,
567 znver1_load_imov_double_load): Add new.
568 (znver1_insn, znver1_insn_load): Add icmov type.
570 znver1_sseavx_fma_load,
572 znver1_avx256_fma_load): Fix pipe usage.
574 2016-02-14 Alan Modra <amodra@gmail.com>
577 * reloads.c (find_reloads_address_1): For pre/post-inc/dec
578 with an invalid hard reg, reload just the reg not the entire
579 pre/post-inc/dec address expression.
581 2016-02-13 Oleg Endo <olegendo@gcc.gnu.org>
584 * config/sh/sh.md (sibcall_value_pcrel): Replace =&k scratch reg with
585 fixed R1_REG scratch reg.
586 (sibcall_value_pcrel_fdpic): Likewise.
588 2016-02-13 Oleg Endo <olegendo@gcc.gnu.org>
592 * config/sh/sh.md (*zero_extract_3): New insn_and_split pattern.
594 2016-02-12 Walter Lee <walt@tilera.com>
596 * config/tilepro/t-tilepro: Replace CC_FOR_BUILD with CXX_FOR_BUILD.
597 * config/tilegx/t-tilegx: Likewise.
599 2016-02-12 David Malcolm <dmalcolm@redhat.com>
602 * diagnostic-show-locus.c (struct line_span): New struct.
603 (layout::get_first_line): Delete.
604 (layout::get_last_line): Delete.
605 (layout::get_num_line_spans): New member function.
606 (layout::get_line_span): Likewise.
607 (layout::print_heading_for_line_span_index_p): Likewise.
608 (layout::get_expanded_location): Likewise.
609 (layout::calculate_line_spans): Likewise.
610 (layout::m_first_line): Delete.
611 (layout::m_last_line): Delete.
612 (layout::m_line_spans): New field.
613 (layout::layout): Update comment. Replace m_first_line and
614 m_last_line with m_line_spans, replacing their initialization
615 with a call to calculate_line_spans.
616 (diagnostic_show_locus): When printing source lines and
617 annotations, rather than looping over a single span
618 of lines, instead loop over each line_span within
619 the layout, with an inner loop over the lines within them.
620 Call the context's start_span callback when changing line spans.
621 * diagnostic.c (diagnostic_initialize): Initialize start_span.
622 (diagnostic_build_prefix): Break out the building of the location
623 part of the string into...
624 (diagnostic_get_location_text): ...this new function, rewriting
625 it from nested ternary expressions to a sequence of "if"
627 (default_diagnostic_start_span_fn): New function.
628 * diagnostic.h (diagnostic_start_span_fn): New typedef.
629 (diagnostic_context::start_span): New field.
630 (default_diagnostic_start_span_fn): New prototype.
632 2016-02-12 David Malcolm <dmalcolm@redhat.com>
635 * gcc.c (driver::finalize): Fix cleanup of "specs".
637 2016-02-12 David Malcolm <dmalcolm@redhat.com>
641 * gcc.c (driver::driver): Initialize m_option_suggestions.
642 (driver::~driver): Clean up m_option_suggestions.
643 (suggest_option): Convert to...
644 (driver::suggest_option): ...this, and split out into
645 driver::build_option_suggestions and find_closest_string.
646 (driver::build_option_suggestions): New function, from
647 first half of suggest_option. Special-case
648 OPT_fsanitize_ and OPT_fsanitize_recover_, making use of
649 the sanitizer_opts array. For options of enum types, add the
650 various enum values to the candidate strings.
651 (driver::handle_unrecognized_options): Remove "const".
652 * gcc.h (driver::handle_unrecognized_options): Likewise.
653 (driver::build_option_suggestions): New decl.
654 (driver::suggest_option): New decl.
655 (driver::m_option_suggestions): New field.
656 * opts-common.c (add_misspelling_candidates): New function.
657 * opts.c (sanitizer_opts): Remove decl of struct sanitizer_opts_s
659 * opts.h (sanitizer_opts): New array decl.
660 (add_misspelling_candidates): New function decl.
661 * spellcheck.c (find_closest_string): New function.
662 * spellcheck.h (find_closest_string): New function decl.
664 2016-02-12 Jakub Jelinek <jakub@redhat.com>
666 PR rtl-optimization/69764
667 PR rtl-optimization/69771
668 * optabs.c (expand_binop_directly): For shift_optab_p, force
669 convert_modes with VOIDmode if xop1 has VOIDmode.
671 2016-02-12 Ilya Enkovich <enkovich.gnu@gmail.com>
674 * lto-streamer-out.c (lto_output): Use thunk.add_pointer_bounds_args
675 to correctly determine instrumentation thunks.
677 2016-02-12 Jakub Jelinek <jakub@redhat.com>
680 * ipa-split.c (split_function): If split part returns TREE_ADDRESSABLE
681 type by reference, force lhs on the call.
684 * ipa-split.c (split_function): Don't compute/use main_part_return_p.
685 Compute retval and retbnd early in all cases if split_part_return_p
686 and return_bb is not EXIT. Remove all clobber stmts and reset
687 all debug stmts that refer to SSA_NAMEs defined in split part,
688 except if it is retval, in that case replace the old retval with the
689 lhs of the call to the split part.
691 2016-02-12 Kugan Vivekanandarajah <kuganv@linaro.org>
694 2016-02-12 Kugan Vivekanandarajah <kuganv@linaro.org>
697 * tree-ssa-reassoc.c (optimize_range_tests): Handle tcc_compare stmt
698 whose result is used in PHI.
699 (maybe_optimize_range_tests): Likewise.
700 (final_range_test_p): Likweise.
702 2016-02-12 Kugan Vivekanandarajah <kuganv@linaro.org>
705 * tree-ssa-reassoc.c (optimize_range_tests): Handle tcc_compare stmt
706 whose result is used in PHI.
707 (maybe_optimize_range_tests): Likewise.
708 (final_range_test_p): Likweise.
710 2016-02-12 Jakub Jelinek <jakub@redhat.com>
712 * cgraph.c: Spelling fixes - behaviour -> behavior and
713 neighbour -> neighbor.
714 * target.def: Likewise.
715 * sel-sched.c: Likewise.
716 * config/mips/mips.c: Likewise.
717 * config/arc/arc.md: Likewise.
718 * config/arm/cortex-a57.md: Likewise.
719 * config/arm/arm.c: Likewise.
720 * config/arm/neon.md: Likewise.
721 * config/arm/arm-c.c: Likewise.
722 * config/vms/vms-c.c: Likewise.
723 * config/s390/s390.c: Likewise.
724 * config/i386/znver1.md: Likewise.
725 * config/i386/i386.c: Likewise.
726 * config/ia64/hpux-unix2003.h: Likewise.
727 * config/msp430/msp430.md: Likewise.
728 * config/rx/rx.c: Likewise.
729 * config/rx/rx.md: Likewise.
730 * config/aarch64/aarch64-simd.md: Likewise.
731 * config/aarch64/aarch64.c: Likewise.
732 * config/nvptx/nvptx.c: Likewise.
733 * config/bfin/bfin.c: Likewise.
734 * config/cris/cris.opt: Likewise.
735 * config/rs6000/rs6000.c: Likewise.
736 * target.h: Likewise.
737 * spellcheck.c: Likewise.
738 * ira-build.c: Likewise.
739 * tree-inline.c: Likewise.
740 * builtins.c: Likewise.
741 * lra-constraints.c: Likewise.
742 * explow.c: Likewise.
744 * targhooks.c: Likewise.
745 * tree-vect-data-refs.c: Likewise.
747 * doc/tm.texi: Likewise.
748 * doc/extend.texi: Likewise.
749 * doc/install.texi: Likewise.
750 * doc/md.texi: Likewise.
751 * tree-ssa-tail-merge.c: Likewise.
752 * sched-int.h: Likewise.
753 * match.pd: Likewise.
754 * sched-ebb.c: Likewise.
755 * target.def (omit_struct_return_reg): Likewise.
756 * gimple-ssa-isolate-paths.c: Likewise.
757 (find_implicit_erroneous_behaviour): Renamed to...
758 (find_implicit_erroneous_behavior): ... this.
759 (find_explicit_erroneous_behaviour): Renamed to...
760 (find_explicit_erroneous_behavior): ... this.
761 (gimple_ssa_isolate_erroneous_paths): Adjust caller.
763 2016-02-11 Segher Boessenkool <segher@kernel.crashing.org>
765 PR rtl-optimization/64682
766 PR rtl-optimization/69567
767 PR rtl-optimization/69737
768 * combine.c (distribute_notes) <REG_DEAD>: If the register is set
769 in I2 as well, just lose it.
771 2016-02-11 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
773 * config/aarch64/aarch64.c (aarch64_last_printed_arch_string):
775 (aarch64_last_printed_tune_string): Likewise.
776 (aarch64_declare_function_name): Only output .arch assembler
777 directive if it will be different from the previously output
778 directive. Same for .tune comment but only if -dA is set.
779 (aarch64_start_file): New function.
780 (TARGET_ASM_FILE_START): Define.
782 2016-02-11 David Malcolm <dmalcolm@redhat.com>
785 * Makefile.in (PLUGIN_HEADERS): Add params.list.
787 2016-02-11 Jakub Jelinek <jakub@redhat.com>
790 * tree-vect-slp.c (vect_schedule_slp_instance): Avoid
791 -Wmaybe-uninitialized warning.
793 2016-02-11 Oleg Endo <olegendo@gcc.gnu.org>
796 * config/sh/sh.md (casesi_worker_0): Add T_REG use.
798 2016-02-11 Richard Biener <rguenther@suse.de>
800 PR rtl-optimization/69291
801 * ifcvt.c (noce_try_store_flag_constants): Do not allow
802 subexpressions affected by changing the result.
804 2016-02-10 Vladimir Makarov <vmakarov@redhat.com>
807 * lra-constraints.c (curr_insn_transform): Find in/out operands
808 for secondary memory moves. Update dups.
810 2016-02-10 Yuri Rumyantsev <ysrumyan@gmail.com>
812 PR tree-optimization/69652
813 * tree-vect-loop.c (optimize_mask_stores): Move declaration of STMT1
814 to nested loop, did source re-formatting, skip debug statements,
815 add check on statement with volatile operand, remove dead scalar
818 2016-02-10 Jakub Jelinek <jakub@redhat.com>
819 Patrick Palka <ppalka@gcc.gnu.org>
823 * gimplify.c (gimplify_modify_expr): Set lhs even for noreturn
824 calls if the return type is TREE_ADDRESSABLE.
825 * cgraphunit.c (cgraph_node::expand_thunk): Likewise.
826 * ipa-split.c (split_function): Fix doubled "we" in comment.
827 Use void return type for the split part even if
828 !split_point->split_part_set_retval.
830 2016-02-10 Bin Cheng <bin.cheng@arm.com>
832 PR tree-optimization/68021
833 * tree-ssa-loop-ivopts.c (get_computation_aff): Set ratio to 1 if
834 when computing the value of biv cand by itself.
836 2016-02-10 Wilco Dijkstra <wdijkstr@arm.com>
838 * config/aarch64/aarch64.c (cortexa53_tunings): Enable AES fusion.
839 (cortexa57_tunings): Likewise.
840 (cortexa72_tunings): Likewise.
841 (arch_macro_fusion_pair_p): Add support for AES fusion.
842 * config/aarch64/aarch64-fusion-pairs.def: Add AES_AESMC entry.
843 * config/arm/aarch-common.c (aarch_crypto_can_dual_issue):
844 Allow virtual registers before reload so early scheduling works.
845 * config/arm/cortex-a57.md (cortex_a57_crypto_simple): Use
846 correct latency and pipeline.
847 (cortex_a57_crypto_complex): Likewise.
848 (cortex_a57_crypto_xor): Likewise.
849 (define_bypass): Add AES bypass.
851 2016-02-10 Richard Biener <rguenther@suse.de>
853 PR tree-optimization/69726
854 * passes.def: Add DCE pass before late uninit.
855 * match.pd: Add A ? B : (!A ? C : X) -> A ? B : C patterns to
856 really fixup if-conversions job.
858 2016-02-10 Wilco Dijkstra <wdijkstr@arm.com>
860 * config/arm/arm.c (arm_cortex_a53_tune): Enable AES fusion.
861 (arm_cortex_a57_tune): Likewise.
862 (aarch_macro_fusion_pair_p): Add support for AES fusion.
863 * config/arm/arm-protos.h (fuse_ops): Add FUSE_AES_AESMC.
865 2016-02-10 Eric Botcazou <ebotcazou@adacore.com>
867 * timevar.def (TV_PHASE_DBGINFO): Delete.
868 (TV_PHASE_CHECK_DBGINFO): Likewise.
869 * varpool.c (varpool_node::assemble_decl): Do not change timevar.
871 2016-02-10 Richard Biener <rguenther@suse.de>
873 PR tree-optimization/69719
874 * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
875 Adjust previous fix by ensuring that dr_a1 is left of dr_a2.
877 2016-02-09 Andrew Pinski <apinski@cavium.com>
880 * optabs-tree.c (expand_vec_cond_expr_p): Don't early return if
881 get_vcond_mask_icode returns false.
883 2016-02-09 Michael Meissner <meissner@linux.vnet.ibm.com>
886 * config/rs6000/predicates.md (fusion_gpr_addis): Prevent fusing
887 an ADDIS that adds a pointer to a large constant that sets the
888 upper16 bits with a load operation.
890 2016-02-09 Charles Baylis <charles.baylis@linaro.org>
893 * config/arm/arm.c (arm_evpc_neon_vzip): Allow for big endian lane
895 * config/arm/arm_neon.h (vzipq_s8): Adjust shuffle patterns for big
897 (vzipq_s16): Likewise.
898 (vzipq_s32): Likewise.
899 (vzipq_f32): Likewise.
900 (vzipq_u8): Likewise.
901 (vzipq_u16): Likewise.
902 (vzipq_u32): Likewise.
903 (vzipq_p8): Likewise.
904 (vzipq_p16): Likewise.
906 2016-02-09 Charles Baylis <charles.baylis@linaro.org>
909 * config/arm/arm.c (neon_endian_lane_map): New function.
910 (neon_vector_pair_endian_lane_map): New function.
911 (arm_evpc_neon_vuzp): Allow for big endian lane order.
912 * config/arm/arm_neon.h (vuzpq_s8): Adjust shuffle patterns for big
914 (vuzpq_s16): Likewise.
915 (vuzpq_s32): Likewise.
916 (vuzpq_f32): Likewise.
917 (vuzpq_u8): Likewise.
918 (vuzpq_u16): Likewise.
919 (vuzpq_u32): Likewise.
920 (vuzpq_p8): Likewise.
921 (vuzpq_p16): Likewise.
923 2016-02-11 Alexandre Oliva <aoliva@redhat.com>
926 * regstat.c (regstat_bb_compute_calls_crossed): Disregard
929 2016-02-09 Uros Bizjak <ubizjak@gmail.com>
931 * config/i386/i386.md (insv<mode>_1): Use gen_int_mode to
932 truncate const_int operand 1 to QImode.
934 2016-02-09 Eric Botcazou <ebotcazou@adacore.com>
936 * gimple-ssa-backprop.c (optimize_phi): Do not replace an argument
937 corresponding to an abnormal edge.
939 2016-02-09 Tom de Vries <tom@codesourcery.com>
941 PR tree-optimization/69599
942 * tree-ssa-structalias.c (fndecl_maybe_in_other_partition): New
944 (find_func_aliases_for_builtin_call, find_func_clobbers)
945 (ipa_pta_execute): Handle case that foo and foo._0 are not in same lto
948 2016-02-09 Richard Biener <rguenther@suse.de>
950 PR tree-optimization/69715
951 * tree-ssa.c (execute_update_addresses_taken): Mark non-decl
952 LHS on calls as non-rewritable.
954 2016-02-09 Tom de Vries <tom@codesourcery.com>
957 * lto-wrapper.c (append_diag_options): New function.
958 (compile_offload_image): Call append_diag_options.
960 2016-02-08 Sandra Loosemore <sandra@codesourcery.com>
963 * doc/extend.texi (Flag Output Operands): Correct sectioning.
964 Minor copy-edit to fix verb tenses.
966 2016-02-08 Jakub Jelinek <jakub@redhat.com>
968 PR tree-optimization/69209
969 * ipa-split.c (split_function): If split part is not
970 returning retval, retval has gimple type but is not
971 gimple value, force it into a SSA_NAME first.
973 2016-02-08 Nicklas Bo Jensen <nbjensen@gmail.com>
975 * doc/tree-ssa.texi (Preserving the virtual SSA form): Remove
978 2016-02-08 Jason Merrill <jason@redhat.com>
981 * convert.c (convert_to_integer_1): Check dofold on truncation
983 (convert_to_pointer_maybe_fold, convert_to_real_maybe_fold)
984 (convert_to_integer_maybe_fold, convert_to_complex_maybe_fold):
985 Rename from *_nofold.
986 * convert.h (convert_to_pointer_nofold, convert_to_integer_nofold)
987 (convert_to_real_nofold, convert_to_complex_nofold): New inlines.
989 2016-02-08 Bernd Schmidt <bschmidt@redhat.com>
992 * tree.c (build_common_tree_nodes): Remove short_double argument.
994 * tree.h (build_common_tree_nodes): Adjust declaration.
995 * doc/invoke.texi (-fshort-double): Remove documentation.
996 * config/mips/t-img-elf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
997 MULTILIB_EXCEPTIONS): Remove -fshort-double variant.
998 * lto-wrapper.c (merge_and_complain, append_compiler_options)
999 (append_linker_options): Don't handle OPT_fshort_double.
1001 PR rtl-optimization/68730
1002 * lra-remat.c (insn_to_cand_activation): New static variable.
1003 (lra_remat): Allocate and free it.
1004 (create_cand): New arg activation. Initialize a field in
1005 insn_to_cand_activation if it is nonnull.
1006 (create_cands): Pass the activation insn to create_cand when making
1007 a candidate involving an output reload. Reorganize code a little.
1008 (do_remat): Keep track of active status of candidates in a separate
1011 2016-02-08 Richard Biener <rguenther@suse.de>
1013 PR tree-optimization/69719
1014 * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
1015 Properly use absolute of the difference of the two offsets to
1016 compare or adjust the segment length.
1018 2016-02-08 Richard Biener <rguenther@suse.de>
1019 Jeff Law <law@redhat.com>
1022 * tree-ssanames.c (make_ssa_name_fn): Always use unqualified
1023 types for anonymous SSA names.
1025 2016-02-08 Richard Biener <rguenther@suse.de>
1027 PR rtl-optimization/69274
1028 * ira.c (ira_setup_alts): Do not change recog_data.operand order.
1030 2016-02-08 Jeff Law <law@redhat.com>
1032 PR tree-optimization/65917
1033 * tree-ssa-dom.c (record_temporary_equivalences): Record both
1034 equivalences from if (x == y) style conditionals.
1035 (loop_depth_of_name): Remove.
1036 (record_equality): Remove loop depth check.
1037 * tree-ssa-scopedtables.h (const_and_copies): Refine comments.
1038 (const_and_copies::record_const_or_copy_raw): New member function.
1039 * tree-ssa-scopedtables.c
1040 (const_and_copies::record_const_or_copy_raw): New, factored out of
1041 (const_and_copies::record_const_or_copy): Call new member function.
1043 2016-02-05 Jeff Law <law@redhat.com>
1045 PR tree-optimization/68541
1046 * gimple-ssa-split-paths.c: Include tree-cfg.h and params.h.
1047 (count_stmts_in_block): New function.
1048 (poor_ifcvt_candidate_code): Likewise.
1049 (is_feasible_trace): Add some heuristics to determine when path
1050 splitting is profitable.
1051 (find_block_to_duplicate_for_splitting_paths): Make sure the graph
1052 is a diamond with a single exit.
1054 2016-02-05 Martin Sebor <msebor@redhat.com>
1057 * doc/invoke.texi: Update -Wplacement-new to take an optional
1060 2016-02-06 Richard Henderson <rth@redhat.com>
1063 * tree.c (tree_nop_conversion_p): Do not strip casts into or
1064 out of non-standard address spaces.
1066 2016-02-05 Jakub Jelinek <jakub@redhat.com>
1068 PR rtl-optimization/69691
1069 * lra-eliminations.c (move_plus_up): Don't add the addend twice.
1071 2016-02-05 Pat Haugen <pthaugen@us.ibm.com>
1073 * config/rs6000/crypto.md (crypto_vpermxor_<mode>): Correct insn type.
1074 * config/rs6000/rs6000.md (mov<mode>_hardfloat): Likewise.
1075 (*ieee128_mfvsrd_64bit): Likewise.
1076 (*ieee128_mfvsrd_32bit): Likewise.
1078 2016-02-05 Ilya Enkovich <enkovich.gnu@gmail.com>
1082 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
1084 * cgraphunit.c (cgraph_node::reset): Clear thunk info and
1085 instrumented_version.
1087 2016-01-05 Jeremy Bennett <jeremy.bennett@embecosm.com>
1089 * doc/invoke.texi (Optimize Options): In table of --param options
1090 rename second occurrence of tracer-min-branch-ratio to
1091 tracer-min-branch-probability, rename
1092 tracer-min-branch-ratio-feedback to
1093 tracer-min-branch-probability-feedback and clarify description,
1094 rename sched-spec-state-edge-prob-cutoff to
1095 sched-state-edge-prob-cutoff, rename selsched-max-insns-to-rename
1096 to selsched-insns-to-rename, rename lto-minpartition to
1097 lto-min-partition, delete reorder-blocks-duplicate and
1098 reorder-blocks-duplicate-feedback.
1100 2016-02-05 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
1102 * config/s390/s390.c (s390_register_info_set_ranges): Remove
1105 2016-02-05 Dominik Vogt <vogt@linux.vnet.ibm.com>
1107 * doc/extend.texi: S/390: Correct some typos.
1109 2016-02-05 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
1111 * config/s390/s390.c (s390_emit_call): Add missing 64 bit check.
1113 2016-02-05 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
1116 * config/s390/s390.c (SAVE_SLOT_NONE, SAVE_SLOT_STACK): New defines.
1117 (s390_register_info_gprtofpr): Use new macros above.
1118 (s390_register_info_stdarg_fpr): Adjust max_fpr to better match
1120 (s390_register_info_stdarg_gpr): Adjust max_gpr to better match
1121 its name. Adjust restore and save gpr ranges.
1122 (s390_register_info_set_ranges): New function.
1123 (s390_register_info): Use new macros above. Call
1124 s390_register_info_set_ranges.
1125 (s390_optimize_register_info): Likewise.
1126 (s390_hard_regno_rename_ok): Use new macros.
1127 (s390_hard_regno_scratch_ok): Likewise.
1128 (s390_emit_epilogue): Likewise.
1129 (s390_can_use_return_insn): Likewise.
1130 (s390_optimize_prologue): Likewise.
1131 * config/s390/s390.md (GPR2_REGNUM, GPR6_REGNUM): New constants.
1133 2016-02-05 Jakub Jelinek <jakub@redhat.com>
1136 * config/i386/i386.c (convert_scalars_to_vector): Readd stack
1138 (ix86_option_override_internal): Disable TARGET_STV even for
1139 -m{incoming,preferred}-stack-boundary=3.
1141 2016-02-03 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
1143 * config.gcc: Mark deprecated rtems targets as obsolete.
1145 2016-02-04 Segher Boessenkool <segher@kernel.crashing.org>
1147 PR rtl-optimization/64682
1148 PR rtl-optimization/69567
1149 * combine.c (distribute_notes) <REG_DEAD>: Place the death note
1150 before I2 only if the register is both used and set in I2.
1152 2016-02-04 DJ Delorie <dj@redhat.com>
1154 * config/msp430/msp430.c (msp430_start_function): Add function type.
1156 2016-02-04 Jakub Jelinek <jakub@redhat.com>
1159 * tree-dfa.c (get_ref_base_and_extent): Remove unreachable code.
1161 2016-02-04 Uros Bizjak <ubizjak@gmail.com>
1163 PR rtl-optimization/69577
1165 2015-10-29 Richard Henderson <rth@redhat.com>
1169 * config/i386/i386.c (ix86_cannot_change_mode_class): Tighten
1170 sse check to the exact conditions of PR 67609.
1172 2016-02-04 Michael Meissner <meissner@linux.vnet.ibm.com>
1175 * config/rs6000/rs6000.md (mov<mode>_64bit_dm): Use 'd' constraint
1176 instead of 'ws', and 'wh' instead of 'wm' since TFmode/IFmode are
1177 not allowed into the traditional Altivec registers.
1178 (movtd_64bit_nodm): Likewise.
1179 (mov<mode>_32bit, FMOVE128_FPR iterator): Likewise.
1181 2016-02-04 David Malcolm <dmalcolm@redhat.com>
1183 * config/aarch64/cortex-a57-fma-steering.c
1184 (aarch64_register_fma_steering): Remove "static" from arguments
1187 2016-02-04 Wilco Dijkstra <wdijkstr@arm.com>
1190 * ccmp.c (expand_ccmp_expr_1): Avoid evaluating gs0/gs1
1193 2016-02-04 Mike Frysinger <vapier@gentoo.org>
1195 * doc/invoke.texi: Delete -mno-fma4.
1197 2016-02-04 Richard Sandiford <richard.sandiford@arm.com>
1199 PR rtl-optimization/69577
1200 * reginfo.c (record_subregs_of_mode): Add a partial_def parameter.
1201 (find_subregs_of_mode): Update accordingly. Iterate over partial
1204 2016-02-04 Alan Lawrence <alan.lawrence@arm.com>
1206 * config/arm/arm-protos.h (neon_reinterpret): Remove.
1207 * config/arm/arm.c (neon_reinterpret): Remove.
1208 * config/arm/arm_neon_builtins.def (vreinterpretv8qi, vreinterpretv4hi,
1209 vreinterpretv2si, vreinterpretv2sf, vreinterpretdi, vreinterpretv16qi,
1210 vreinterpretv8hi, vreinterpretv4si, vreinterpretv4sf, vreinterpretv2di,
1211 vreinterpretti): Remove.
1212 * config/arm/neon.md (neon_vreinterpretv8qi<mode>,
1213 neon_vreinterpretv4hi<mode>, neon_vreinterpretv2si<mode>,
1214 neon_vreinterpretv2sf<mode>, neon_vreinterpretdi<mode>,
1215 neon_vreinterpretti<mode>, neon_vreinterpretv16qi<mode>,
1216 neon_vreinterpretv8hi<mode>, neon_vreinterpretv4si<mode>,
1217 neon_vreinterpretv4sf<mode>, neon_vreinterpretv2di<mode>): Remove.
1218 * config/arm/arm_neon.h (vreinterpret_p8_p16, vreinterpret_p8_f32,
1219 vreinterpret_p8_p64, vreinterpret_p8_s64, vreinterpret_p8_u64,
1220 vreinterpret_p8_s8, vreinterpret_p8_s16, vreinterpret_p8_s32,
1221 vreinterpret_p8_u8, vreinterpret_p8_u16, vreinterpret_p8_u32,
1222 vreinterpret_p16_p8, vreinterpret_p16_f32, vreinterpret_p16_p64,
1223 vreinterpret_p16_s64, vreinterpret_p16_u64, vreinterpret_p16_s8,
1224 vreinterpret_p16_s16, vreinterpret_p16_s32, vreinterpret_p16_u8,
1225 vreinterpret_p16_u16, vreinterpret_p16_u32, vreinterpret_f32_p8,
1226 vreinterpret_f32_p16, vreinterpret_f32_p64, vreinterpret_f32_s64,
1227 vreinterpret_f32_u64, vreinterpret_f32_s8, vreinterpret_f32_s16,
1228 vreinterpret_f32_s32, vreinterpret_f32_u8, vreinterpret_f32_u16,
1229 vreinterpret_f32_u32, vreinterpret_p64_p8, vreinterpret_p64_p16,
1230 vreinterpret_p64_f32, vreinterpret_p64_s64, vreinterpret_p64_u64,
1231 vreinterpret_p64_s8, vreinterpret_p64_s16, vreinterpret_p64_s32,
1232 vreinterpret_p64_u8, vreinterpret_p64_u16, vreinterpret_p64_u32,
1233 vreinterpret_s64_p8, vreinterpret_s64_p16, vreinterpret_s64_f32,
1234 vreinterpret_s64_p64, vreinterpret_s64_u64, vreinterpret_s64_s8,
1235 vreinterpret_s64_s16, vreinterpret_s64_s32, vreinterpret_s64_u8,
1236 vreinterpret_s64_u16, vreinterpret_s64_u32, vreinterpret_u64_p8,
1237 vreinterpret_u64_p16, vreinterpret_u64_f32, vreinterpret_u64_p64,
1238 vreinterpret_u64_s64, vreinterpret_u64_s8, vreinterpret_u64_s16,
1239 vreinterpret_u64_s32, vreinterpret_u64_u8, vreinterpret_u64_u16,
1240 vreinterpret_u64_u32, vreinterpret_s8_p8, vreinterpret_s8_p16,
1241 vreinterpret_s8_f32, vreinterpret_s8_p64, vreinterpret_s8_s64,
1242 vreinterpret_s8_u64, vreinterpret_s8_s16, vreinterpret_s8_s32,
1243 vreinterpret_s8_u8, vreinterpret_s8_u16, vreinterpret_s8_u32,
1244 vreinterpret_s16_p8, vreinterpret_s16_p16, vreinterpret_s16_f32,
1245 vreinterpret_s16_p64, vreinterpret_s16_s64, vreinterpret_s16_u64,
1246 vreinterpret_s16_s8, vreinterpret_s16_s32, vreinterpret_s16_u8,
1247 vreinterpret_s16_u16, vreinterpret_s16_u32, vreinterpret_s32_p8,
1248 vreinterpret_s32_p16, vreinterpret_s32_f32, vreinterpret_s32_p64,
1249 vreinterpret_s32_s64, vreinterpret_s32_u64, vreinterpret_s32_s8,
1250 vreinterpret_s32_s16, vreinterpret_s32_u8, vreinterpret_s32_u16,
1251 vreinterpret_s32_u32, vreinterpret_u8_p8, vreinterpret_u8_p16,
1252 vreinterpret_u8_f32, vreinterpret_u8_p64, vreinterpret_u8_s64,
1253 vreinterpret_u8_u64, vreinterpret_u8_s8, vreinterpret_u8_s16,
1254 vreinterpret_u8_s32, vreinterpret_u8_u16, vreinterpret_u8_u32,
1255 vreinterpret_u16_p8, vreinterpret_u16_p16, vreinterpret_u16_f32,
1256 vreinterpret_u16_p64, vreinterpret_u16_s64, vreinterpret_u16_u64,
1257 vreinterpret_u16_s8, vreinterpret_u16_s16, vreinterpret_u16_s32,
1258 vreinterpret_u16_u8, vreinterpret_u16_u32, vreinterpret_u32_p8,
1259 vreinterpret_u32_p16, vreinterpret_u32_f32, vreinterpret_u32_p64,
1260 vreinterpret_u32_s64, vreinterpret_u32_u64, vreinterpret_u32_s8,
1261 vreinterpret_u32_s16, vreinterpret_u32_s32, vreinterpret_u32_u8,
1262 vreinterpret_u32_u16, vreinterpretq_p8_p16, vreinterpretq_p8_f32,
1263 vreinterpretq_p8_p64, vreinterpretq_p8_p128, vreinterpretq_p8_s64,
1264 vreinterpretq_p8_u64, vreinterpretq_p8_s8, vreinterpretq_p8_s16,
1265 vreinterpretq_p8_s32, vreinterpretq_p8_u8, vreinterpretq_p8_u16,
1266 vreinterpretq_p8_u32, vreinterpretq_p16_p8, vreinterpretq_p16_f32,
1267 vreinterpretq_p16_p64, vreinterpretq_p16_p128, vreinterpretq_p16_s64,
1268 vreinterpretq_p16_u64, vreinterpretq_p16_s8, vreinterpretq_p16_s16,
1269 vreinterpretq_p16_s32, vreinterpretq_p16_u8, vreinterpretq_p16_u16,
1270 vreinterpretq_p16_u32, vreinterpretq_f32_p8, vreinterpretq_f32_p16,
1271 vreinterpretq_f32_p64, vreinterpretq_f32_p128, vreinterpretq_f32_s64,
1272 vreinterpretq_f32_u64, vreinterpretq_f32_s8, vreinterpretq_f32_s16,
1273 vreinterpretq_f32_s32, vreinterpretq_f32_u8, vreinterpretq_f32_u16,
1274 vreinterpretq_f32_u32, vreinterpretq_p64_p8, vreinterpretq_p64_p16,
1275 vreinterpretq_p64_f32, vreinterpretq_p64_p128, vreinterpretq_p64_s64,
1276 vreinterpretq_p64_u64, vreinterpretq_p64_s8, vreinterpretq_p64_s16,
1277 vreinterpretq_p64_s32, vreinterpretq_p64_u8, vreinterpretq_p64_u16,
1278 vreinterpretq_p64_u32, vreinterpretq_p128_p8, vreinterpretq_p128_p16,
1279 vreinterpretq_p128_f32, vreinterpretq_p128_p64, vreinterpretq_p128_s64,
1280 vreinterpretq_p128_u64, vreinterpretq_p128_s8, vreinterpretq_p128_s16,
1281 vreinterpretq_p128_s32, vreinterpretq_p128_u8, vreinterpretq_p128_u16,
1282 vreinterpretq_p128_u32, vreinterpretq_s64_p8, vreinterpretq_s64_p16,
1283 vreinterpretq_s64_f32, vreinterpretq_s64_p64, vreinterpretq_s64_p128,
1284 vreinterpretq_s64_u64, vreinterpretq_s64_s8, vreinterpretq_s64_s16,
1285 vreinterpretq_s64_s32, vreinterpretq_s64_u8, vreinterpretq_s64_u16,
1286 vreinterpretq_s64_u32, vreinterpretq_u64_p8, vreinterpretq_u64_p16,
1287 vreinterpretq_u64_f32, vreinterpretq_u64_p64, vreinterpretq_u64_p128,
1288 vreinterpretq_u64_s64, vreinterpretq_u64_s8, vreinterpretq_u64_s16,
1289 vreinterpretq_u64_s32, vreinterpretq_u64_u8, vreinterpretq_u64_u16,
1290 vreinterpretq_u64_u32, vreinterpretq_s8_p8, vreinterpretq_s8_p16,
1291 vreinterpretq_s8_f32, vreinterpretq_s8_p64, vreinterpretq_s8_p128,
1292 vreinterpretq_s8_s64, vreinterpretq_s8_u64, vreinterpretq_s8_s16,
1293 vreinterpretq_s8_s32, vreinterpretq_s8_u8, vreinterpretq_s8_u16,
1294 vreinterpretq_s8_u32, vreinterpretq_s16_p8, vreinterpretq_s16_p16,
1295 vreinterpretq_s16_f32, vreinterpretq_s16_p64, vreinterpretq_s16_p128,
1296 vreinterpretq_s16_s64, vreinterpretq_s16_u64, vreinterpretq_s16_s8,
1297 vreinterpretq_s16_s32, vreinterpretq_s16_u8, vreinterpretq_s16_u16,
1298 vreinterpretq_s16_u32, vreinterpretq_s32_p8, vreinterpretq_s32_p16,
1299 vreinterpretq_s32_f16, vreinterpretq_s32_f32, vreinterpretq_s32_p64,
1300 vreinterpretq_s32_p128, vreinterpretq_s32_s64, vreinterpretq_s32_u64,
1301 vreinterpretq_s32_s8, vreinterpretq_s32_s16, vreinterpretq_s32_u8,
1302 vreinterpretq_s32_u16, vreinterpretq_s32_u32, vreinterpretq_u8_p8,
1303 vreinterpretq_u8_p16, vreinterpretq_u8_f32, vreinterpretq_u8_p64,
1304 vreinterpretq_u8_p128, vreinterpretq_u8_s64, vreinterpretq_u8_u64,
1305 vreinterpretq_u8_s8, vreinterpretq_u8_s16, vreinterpretq_u8_s32,
1306 vreinterpretq_u8_u16, vreinterpretq_u8_u32, vreinterpretq_u16_p8,
1307 vreinterpretq_u16_p16, vreinterpretq_u16_f32, vreinterpretq_u16_p64,
1308 vreinterpretq_u16_p128, vreinterpretq_u16_s64, vreinterpretq_u16_u64,
1309 vreinterpretq_u16_s8, vreinterpretq_u16_s16, vreinterpretq_u16_s32,
1310 vreinterpretq_u16_u8, vreinterpretq_u16_u32, vreinterpretq_u32_p8,
1311 vreinterpretq_u32_p16, vreinterpretq_u32_f32, vreinterpretq_u32_p64,
1312 vreinterpretq_u32_p128, vreinterpretq_u32_s64, vreinterpretq_u32_u64,
1313 vreinterpretq_u32_s8, vreinterpretq_u32_s16, vreinterpretq_u32_s32,
1314 vreinterpretq_u32_u8, vreinterpretq_u32_u16): Rewrite using casts.
1316 2016-02-04 Martin Liska <mliska@suse.cz>
1319 * asan.c (has_stmt_been_instrumented_p): Instrument gimple calls
1320 that are gimple_store_p.
1321 (maybe_instrument_call): Likewise.
1323 2016-02-04 Bin Cheng <bin.cheng@arm.com>
1325 * config/aarch64/aarch64.c (aarch64_legitimize_address): Force
1326 register scaling out of memory reference and comment why.
1328 2016-02-04 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1332 * cse.c (cse_insn): Pass NULL to fold_rtx when initially
1333 folding the source of a SET.
1335 2016-02-04 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1339 * config/arm/arm.c (arm_new_rtx_costs, MULT case): Properly extract
1340 the operands of the SIGN_EXTENDs from a SMUL[TB][TB] rtx.
1342 2016-02-04 Jim Wilson <jim.wilson@linaro.org>
1346 * config/arm/arm.h (PROMOTE_MODE): Don't set UNSIGNEDP for QImode and
1349 2016-02-04 Christian Bruel <christian.bruel@st.com>
1351 * config/arm/arm-c.c (arm_reset_previous_fndecl): Style fix and typo.
1352 * config/arm/arm.c (arm_set_current_function): Likewise.
1354 2016-02-04 Jakub Jelinek <jakub@redhat.com>
1355 Ilya Enkovich <enkovich.gnu@gmail.com>
1356 H.J. Lu <hongjiu.lu@intel.com>
1359 * config/i386/i386.c (convert_scalars_to_vector): Remove
1360 stack alignment fixes.
1361 (ix86_option_override_internal): Disable TARGET_STV if stack
1362 might not be aligned enough.
1363 (ix86_minimum_alignment): Assert that TARGET_STV is false.
1365 2016-02-04 Victoria Stepanyan <victoria.stepanyan@amd.com>
1367 * gcc/config/i386/x86-tune.def: Disable default prefetching
1370 2016-02-03 Michael Meissner <meissner@linux.vnet.ibm.com>
1371 Vladimir Makarov <vmakarov@redhat.com>
1374 * config/rs6000/rs6000.c (rs6000_legitimate_address_p): Fix thinko
1375 in validating fused toc addresses.
1377 2016-02-03 Jakub Jelinek <jakub@redhat.com>
1380 * diagnostic-show-locus.c (layout::get_state_at_point): Don't read
1381 range->m_caret fields if range->m_show_caret_p is false.
1384 * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap):
1385 Force oldval into register if it does not satisfy reg_or_short_operand
1386 predicate. Fix up formatting.
1388 2016-02-03 Vladimir Makarov <vmakarov@redhat.com>
1389 Alexandre Oliva <aoliva@redhat.com>
1392 * lra-constraints.c (simplify_operand_subreg): Check additionally
1393 address validity after potential reloading.
1394 (process_address_1): Check insns validity. In case of failure do
1397 2016-02-03 Kirill Yukhin <kirill.yukhin@intel.com>
1400 * config/i386/sse.md (define_insn "avx512f_maskcmp<mode>3"):
1403 2016-02-02 Jakub Jelinek <jakub@redhat.com>
1405 * wide-int.cc (canonize_uhwi): New function.
1406 (wi::divmod_internal): Use it.
1408 2016-02-02 James Norris <jnorris@codesourcery.com
1410 * gimplify.c (omp_notice_variable): Add usage check.
1412 2016-02-02 Alexander Monakov <amonakov@ispras.ru>
1414 * config/nvptx/nvptx.c (nvptx_print_operand): Treat LEU, GEU, LTU, GTU
1415 like LE, GE, LT, GT when emitting relational operator.
1417 2016-02-02 Wilco Dijkstra <wdijkstr@arm.com>
1419 * ira-costs.c (find_costs_and_classes): Add extra argument.
1420 * target.def (ira_change_pseudo_allocno_class): Add parameter.
1421 * targhooks.h (ira_change_pseudo_allocno_class): Likewise.
1422 * targhooks.c (ira_change_pseudo_allocno_class): Likewise.
1423 * config/aarch64/aarch64.c (aarch64_ira_change_pseudo_allocno_class)
1424 Add best_class parameter, and return it if not ALL_REGS.
1425 * config/mips/mips.c (mips_ira_change_pseudo_allocno_class):
1427 * doc/tm.texi (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS):
1430 2016-02-02 Wilco Dijkstra <wdijkstr@arm.com>
1432 * config/aarch64/aarch64.c
1433 (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS): New define.
1434 (aarch64_ira_change_pseudo_allocno_class): New function.
1436 2016-02-02 Uros Bizjak <ubizjak@gmail.com>
1439 * config/i386/i386.c (geode_cost): Increase cost of MMX and SSE moves.
1441 2016-02-02 Senthil Kumar Selvaraj <senthil_kumar.selvaraj@atmel.com>
1443 * config/avr/avr.c (avr_option_override): Set
1444 PARAM_ALLOW_STORE_DATA_RACES to 1.
1446 2016-02-02 Richard Biener <rguenther@suse.de>
1448 PR tree-optimization/69595
1449 * match.pd: Add range test simplifications to true/false.
1451 2016-02-02 Thomas Schwinge <thomas@codesourcery.com>
1453 * omp-builtins.def (BUILT_IN_GOACC_HOST_DATA): Remove.
1454 * omp-low.c (expand_omp_target): Use BUILT_IN_GOACC_DATA_START
1457 2016-02-02 Richard Biener <rguenther@suse.de>
1459 PR tree-optimization/69606
1460 * tree-ssa-math-opts.c (bswap_replace): Clear flow sensitive
1461 info on the result before moving a stmt.
1463 2016-02-02 Yuri Rumyantsev <ysrumyan@gmail.com>
1466 * config/i386/i386.c (ix86_expand_branch): Add support for conditional
1467 branch with vector comparison.
1468 * config/i386/sse.md (VI48_AVX): New mode iterator.
1469 (define_expand "cbranch<mode>4): Add support for conditional branch
1470 with vector comparison.
1471 * tree-vect-loop.c (optimize_mask_stores): New function.
1472 * tree-vect-stmts.c (vectorizable_mask_load_store): Initialize
1473 has_mask_store field of vect_info.
1474 * tree-vectorizer.c (vectorize_loops): Invoke optimaze_mask_stores for
1475 vectorized loops having masked stores after vec_info destroy.
1476 * tree-vectorizer.h (loop_vec_info): Add new has_mask_store field and
1477 correspondent macros.
1478 (optimize_mask_stores): Add prototype.
1480 2016-02-02 Alan Modra <amodra@gmail.com>
1483 * config/rs6000/predicates.md (quad_int_reg_operand): Don't
1486 2016-02-02 Alan Modra <amodra@gmail.com>
1489 * config/rs6000/rs6000.c (need_toc_init): New var, set it
1490 whenever toc_label_name used.
1491 (rs6000_file_start): Don't set up toc section here,
1492 (rs6000_output_function_epilogue): do so here instead,
1493 (rs6000_xcoff_file_start): and here.
1494 * config/rs6000/rs6000.md (load_toc_aix_si): Set need_toc_init.
1495 (load_toc_aix_di): Likewise.
1497 2016-02-01 Jakub Jelinek <jakub@redhat.com>
1499 PR rtl-optimization/69592
1500 * rtlanal.c (nonzero_bits_binary_arith_p): New inline function.
1501 (cached_nonzero_bits): Use it instead of ARITHMETIC_P.
1502 (num_sign_bit_copies_binary_arith_p): New inline function.
1503 (cached_num_sign_bit_copies): Use it instead of ARITHMETIC_P.
1505 2016-02-01 Jeff Law <law@redhat.com>
1507 PR tree-optimization/69580
1508 * params.def (FSM_MAXIMUM_PHI_ARGUMENTS): New param.
1509 * tree-ssa-threadbackward.c
1510 (fsm_find_control_statement_thread_paths): Do not try to walk
1511 through large PHI nodes.
1513 2016-02-01 Jakub Jelinek <jakub@redhat.com>
1515 * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Return false
1516 when count is incremented above limit, don't analyze further
1519 * omp-low.c (oacc_parse_default_dims): Avoid
1520 -Wsign-compare warning, make sure value fits into int
1521 rather than just unsigned int.
1523 2016-02-01 Bin Cheng <bin.cheng@arm.com>
1525 PR tree-optimization/67921
1526 * fold-const.c (split_tree): New parameters. Convert pointer
1527 type variable part to proper type before negating.
1528 (fold_binary_loc): Pass new arguments to split_tree.
1530 2016-02-01 Nathan Sidwell <nathan@codesourcery.com>
1532 * config/nvptx/nvptx.c (PTX_GANG_DEFAULT): New.
1533 (nvptx_goacc_validate_dims): Extend to handle global defaults.
1534 * target.def (OACC_VALIDATE_DIMS): Extend documentation.
1535 * doc/tm.texti: Rebuilt.
1536 * doc/invoke.texi (fopenacc-dim): Document.
1537 * lto-wrapper.c (merge_and_complain): Add OPT_fopenacc_dim_ case.
1538 (append_compiler_options): Likewise.
1539 * omp-low.c (oacc_default_dims, oacc_min_dims): New.
1540 (oacc_parse_default_dims): New.
1541 (oacc_validate_dims): Add USED arg. Select non-unity default when
1543 (oacc_loop_fixed_partitions): Return mask of used partitions.
1544 (oacc_loop_auto_partitions): Emit dump info.
1545 (oacc_loop_partition): Return mask of used partitions.
1546 (execute_oacc_device_lower): Parse default dimension arg. Adjust
1547 loop partitioning and validation calls.
1549 2016-02-01 Richard Biener <rguenther@suse.de>
1552 * match.pd: Guard (C1/X)*C2 -> (C1*C2)/X with single_use.
1554 2016-02-01 Richard Biener <rguenther@suse.de>
1556 PR tree-optimization/69574
1557 * tree-chrec.c (hide_evolution_in_other_loops_than_loop): Instead
1558 of asserting return chrec_dont_know.
1560 2016-02-01 Martin Liska <mliska@suse.cz>
1562 * mem-stats-traits.h: Add copyright header.
1563 * mem-stats.h: Likewise.
1565 2016-02-01 Richard Biener <rguenther@suse.de>
1567 PR tree-optimization/69579
1568 * tree-ssa-loop-ivcanon.c (propagate_constants_for_unrolling):
1569 Do not propagate through abnormal PHI results.
1571 2016-02-01 Eric Botcazou <ebotcazou@adacore.com>
1573 * postreload.c (reload_cse_simplify): Remove dead code.
1575 2016-02-01 Jakub Jelinek <jakub@redhat.com>
1577 PR rtl-optimization/69570
1578 * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Return true only
1579 if there is more than one set, not if there is a single set.
1581 2016-02-01 Richard Henderson <rth@redhat.com>
1584 * combine.c (make_compound_operation): When looking through a
1585 subreg, make sure to re-extend to the width of the outer mode.
1587 2016-01-30 Jakub Jelinek <jakub@redhat.com>
1589 PR tree-optimization/69546
1590 * wide-int.cc (wi::divmod_internal): For unsigned division
1591 where both operands fit into uhwi, if o1 is 1 and o0 has
1592 msb set, if divident_prec is larger than bits per hwi,
1593 clear another quotient word and return 2 instead of 1.
1594 Similarly for remainder with msb in HWI set, if dividend_prec
1595 is larger than bits per hwi.
1597 2016-01-29 Martin Jambor <mjambor@suse.cz>
1599 * hsa-gen.c (get_memory_order_name): Mask with MEMMODEL_BASE_MASK.
1600 Use short lowercase names.
1601 (get_memory_order): Mask with MEMMODEL_BASE_MASK. Support
1602 MEMMODEL_CONSUME with acquire semantics and MEMMODEL_SEQ_CST with
1603 acq_rel one. Protect warning agains segfaults if
1604 get_memory_order_name returns NULL.
1605 (gen_hsa_ternary_atomic_for_builtin): Support with MEMMODEL_SEQ_CST
1606 with release semantics. Do not warn if get_memory_order already did.
1607 (gen_hsa_insns_for_call): Support with MEMMODEL_SEQ_CST with acquire
1608 semantics. Fix check for relaxed or acquire semantics. Do not warn
1609 if get_memory_order already did.
1611 2016-01-29 Sebastian Pop <s.pop@samsung.com>
1613 * doc/install.texi: Document that isl-0.16 is supported.
1615 2016-01-29 Vladimir Makarov <vmakarov@redhat.com>
1618 * config/i386/constraints.md (Bm): Describe as special memory
1620 * doc/md.texi (DEFINE_SPECIAL_MEMORY_CONSTRAINT): Describe it.
1621 * genoutput.c (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
1622 * genpreds.c (struct constraint_data): Add is_special_memory.
1623 (have_special_memory_constraints, special_memory_start): New
1625 (special_memory_end): Ditto.
1626 (add_constraint): Add new arg is_special_memory. Add code to
1627 process its true value. Update have_special_memory_constraints.
1628 (process_define_constraint): Pass the new arg.
1629 (process_define_register_constraint): Ditto.
1630 (choose_enum_order): Process special memory.
1631 (write_tm_preds_h): Generate enum const CT_SPECIAL_MEMORY and
1632 function insn_extra_special_memory_constraint.
1633 (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
1634 * gensupport.c (process_rtx): Process
1635 DEFINE_SPECIAL_MEMORY_CONSTRAINT.
1636 * ira-costs.c (record_reg_classes): Process CT_SPECIAL_MEMORY.
1637 * ira-lives.c (single_reg_class): Use
1638 insn_extra_special_memory_constraint.
1639 * ira.c (ira_setup_alts): Process CT_SPECIAL_MEMORY.
1640 * lra-constraints.c (process_alt_operands): Ditto.
1641 (curr_insn_transform): Use insn_extra_special_memory_constraint.
1642 * recog.c (asm_operand_ok, preprocess_constraints): Process
1644 * reload.c (find_reloads): Ditto.
1645 * rtl.def (DEFINE_SPECIFAL_MEMORY_CONSTRAINT): New.
1646 * stmt.c (parse_input_constraint): Use
1647 insn_extra_special_memory_constraint.
1649 2016-01-29 H.J. Lu <hongjiu.lu@intel.com>
1652 * lra-splill.c (lra_final_code_change): Revert r229087 by
1653 removing all sub-registers.
1655 2016-01-29 Steve Ellcey <sellcey@imgtec.com>
1658 * config/mips/mips.c (mips_output_division): Check flag_delayed_branch.
1660 2016-01-29 Jakub Jelinek <jakub@redhat.com>
1663 * config/i386/i386.c (ix86_expand_vector_set) <case V4SImode>: For
1664 SSE1, copy target into the temporary reg first before recursing
1667 2016-01-29 H.J. Lu <hongjiu.lu@intel.com>
1669 * config/i386/sse.md (sse2_cvtps2pd<mask_name>): Replace vBm
1672 2016-01-29 Jonathan Wakely <jwakely@redhat.com>
1674 * ginclude/stdarg.h: Test __cplusplus instead of
1675 __GXX_EXPERIMENTAL_CXX0X__.
1677 2016-01-29 Richard Biener <rguenther@suse.de>
1679 PR tree-optimization/69547
1680 * tree-ssa-dce.c (mark_aliased_reaching_defs_necessary_1):
1681 Do not mark clobbers necessary.
1682 (mark_all_reaching_defs_necessary_1): Likewise.
1684 2016-01-29 Dominik Vogt <vogt@linux.vnet.ibm.com>
1686 * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Format
1687 declaration name with %qs and print it in both error messages.
1688 Also fix indentation.
1690 2016-01-29 Dominik Vogt <vogt@linux.vnet.ibm.com>
1693 * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Remove
1694 trailing blank line from error message.
1696 2016-01-29 Jonathan Wakely <jwakely@redhat.com>
1699 * ginclude/float.h: Also provide FLT_EVAL_METHOD and DECIMAL_DIG
1702 2016-01-29 Richard Biener <rguenther@suse.de>
1705 * match.pd: Allow all integral types when simplifying a
1706 widening or sign-changing conversion.
1708 2016-01-28 Sebastian Pop <s.pop@samsung.com>
1710 * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Revert assert
1711 back to setting codegen_error to fail codegen.
1713 2016-01-28 Uros Bizjak <ubizjak@gmail.com>
1716 * config/i386/constraints.md (C): Only accept constant zero operand.
1717 (BC): New constraint.
1718 * config/i386/sse.md (*mov<mode>_internal): Use BC constraint
1719 instead of C constraint.
1720 * doc/md.texi (Machine Constraints): Update description
1723 2016-01-28 Steve Ellcey <sellcey@imgtec.com>
1726 * config/mips/mips.c (and_operands_ok): Add MIPS16 check.
1728 2016-01-28 Jakub Jelinek <jakub@redhat.com>
1731 * lra-remat.c (calculate_local_reg_remat_bb_data): Only consider
1734 2016-01-28 Pat Haugen <pthaugen@us.ibm.com>
1736 * config/rs6000/rs6000.c (output_cbranch): Don't statically predict
1737 branches if using guessed profile.
1739 2016-01-28 H.J. Lu <hongjiu.lu@intel.com>
1741 * graphite-optimize-isl.c (optimize_isl): Fix dump.
1743 2016-01-28 Richard Henderson <rth@redhat.com>
1746 * config/aarch64/aarch64-modes.def (CC_Cmode): New
1747 * config/aarch64/aarch64-protos.h: Update.
1748 * config/aarch64/aarch64.c (aarch64_zero_extend_const_eq): New.
1749 (aarch64_select_cc_mode): Add check for use of CC_Cmode.
1750 (aarch64_get_condition_code_1): Handle CC_Cmode.
1751 * config/aarch64/aarch64.md (addti3): Use adddi3_compareC.
1752 (*add<mode>3_compareC_cconly_imm): New.
1753 (*add<mode>3_compareC_cconly): New.
1754 (*add<mode>3_compareC_imm): New.
1755 (add<mode>3_compareC): New.
1756 (add<mode>3_carryin, *addsi3_carryin_uxtw): Sort compare operand
1757 to be first. Use aarch64_carry_operation.
1758 (*add<mode>3_carryin_alt1, *addsi3_carryin_alt1_uxtw): Remove.
1759 (*add<mode>3_carryin_alt2, *addsi3_carryin_alt2_uxtw): Remove.
1760 (*add<mode>3_carryin_alt3, *addsi3_carryin_alt3_uxtw): Remove.
1761 (subti3): Use subdi3_compare1.
1762 (*sub<mode>3_compare0): Rename from sub<mode>3_compare0.
1763 (sub<mode>3_compare1): New.
1764 (*sub<mode>3_carryin0, *subsi3_carryin_uxtw): New.
1765 (*sub<mode>3_carryin): Use aarch64_borrow_operation.
1766 (*subsi3_carryin_uxtw): Likewise.
1767 (*ngc<mode>, *ngcsi_uxtw): Likewise.
1768 (*sub<mode>3_carryin_alt, *subsi3_carryin_alt_uxtw): New.
1769 * config/aarch64/iterators.md (DWI): New.
1770 * config/aarch64/predicates.md (aarch64_carry_operation): New.
1771 (aarch64_borrow_operation): New.
1773 2016-01-28 Abderrazek Zaafrani <a.zaafrani@samsung.com>
1775 * graphite-optimize-isl.c (optimize_isl): Print a different debug
1776 message when isl does not return a valid schedule.
1778 2016-01-28 Sebastian Pop <s.pop@samsung.com>
1780 * graphite-isl-ast-to-gimple.c (class translate_isl_ast_to_gimple):
1781 Remove comments from class declarations: they are already in the code
1784 2016-01-28 Sebastian Pop <s.pop@samsung.com>
1786 * graphite-isl-ast-to-gimple.c (binary_op_to_tree): Call
1788 (ternary_op_to_tree): Same.
1789 (unary_op_to_tree): Same.
1790 (nary_op_to_tree): Same.
1791 (gcc_expression_from_isl_expr_op): Same.
1792 (gcc_expression_from_isl_expression): Same.
1793 (graphite_create_new_loop): Same.
1794 (graphite_create_new_loop_guard): Same.
1795 (build_iv_mapping): Same.
1796 (graphite_create_new_guard): Same.
1797 (translate_isl_ast_to_gimple::copy_loop_phi_nodes): Same.
1798 (translate_isl_ast_to_gimple::translate_pending_phi_nodes): Same.
1800 2016-01-28 Sebastian Pop <s.pop@samsung.com>
1802 * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Assert
1803 instead of setting codegen_error to fail codegen.
1805 2016-01-28 Jason Merrill <jason@redhat.com>
1807 * tree.h (BINFO_FLAG_0): Rename from BINFO_MARKED.
1809 2016-01-28 Wilco Dijkstra <wdijkstr@arm.com>
1811 * config/aarch64/aarch64.c (aarch64_if_then_else_costs):
1812 Remove CONST_INT_P check in CCMP cost calculation.
1814 2016-01-28 Wilco Dijkstra <wdijkstr@arm.com>
1816 * config/aarch64/aarch64.c (generic_vector_cost):
1817 Set vec_permute_cost.
1818 (cortexa57_vector_cost): Likewise.
1819 (exynosm1_vector_cost): Likewise.
1820 (xgene1_vector_cost): Likewise.
1821 (aarch64_builtin_vectorization_cost): Use vec_permute_cost.
1822 * config/aarch64/aarch64-protos.h (cpu_vector_cost):
1823 Add vec_permute_cost entry.
1825 2016-01-28 Wilco Dijkstra <wdijkstr@arm.com>
1827 * config/aarch64/aarch64.md (ccmp<mode>): Disassemble
1829 (add<mode>3_compare0): Likewise.
1830 (addsi3_compare0_uxtw): Likewise.
1831 (add<mode>3nr_compare0): Likewise.
1832 (compare_neg<mode>): Likewise.
1833 (<optab><mode>3): Likewise.
1835 2016-01-28 Ilya Enkovich <enkovich.gnu@gmail.com>
1837 * tree-vect-stmts.c (vectorizable_comparison): Add
1838 NULL check for vectype.
1840 2016-01-28 Richard Biener <rguenther@suse.de>
1842 PR tree-optimization/69466
1843 * tree-vect-loop-manip.c (slpeel_duplicate_current_defs_from_edges):
1844 Account for PHIs we couldn't duplicate.
1846 2016-01-28 Martin Liska <mliska@suse.cz>
1849 * ggc-common.c (gt_pch_save): Use ENABLE_VALGRIND_ANNOTATIONS macro
1850 instead of ENABLE_VALGRIND_CHECKING.
1852 2016-01-27 Richard Henderson <rth@redhat.com>
1855 * lra-remat.c (subreg_regs): New.
1856 (dump_candidates_and_remat_bb_data): Dump it.
1857 (operand_to_remat): Reject if operand in subreg_regs.
1858 (set_bb_regs): Collect subreg_regs.
1859 (lra_remat): Init and free subreg_regs. Compute
1860 calculate_local_reg_remat_bb_data before create_cands.
1862 2016-01-27 H.J. Lu <hongjiu.lu@intel.com>
1865 * config/i386/i386.c (ix86_update_stack_boundary): Don't
1866 change stack_alignment_needed for __tls_get_addr call.
1868 2016-01-27 Segher Boessenkool <segher@kernel.crashing.org>
1870 * config/rs6000/rs6000.c (print_operand): Rollback 's' removal.
1872 2016-01-27 Jeff Law <law@redhat.com>
1874 PR tree-optimization/68398
1875 PR tree-optimization/69196
1876 * params.def (PARAM_FSM_SCALE_PATH_STMTS): New parameter.
1877 (PARAM_FSM_SCALE_PATH_BLOCKS): Likewise.
1878 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
1879 Only count PHIs in the last block in the path. The others will
1880 const/copy propagate away. Add heuristic to allow more irreducible
1881 subloops to be created when it is likely profitable to do so.
1883 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
1884 Fix typo in comment. Use gsi_after_labels and remove the GIMPLE_LABEL
1885 check from within the loop. Use gsi_next_nondebug rather than gsi_next.
1887 2016-01-27 Jakub Jelinek <jakub@redhat.com>
1890 * sanitizer.def: Add BEGIN_SANITIZER_BUILTINS and
1891 END_SANITIZER_BUILTINS markers using DEF_BUILTIN_STUB.
1892 * asan.c (DEF_BUILTIN_STUB): Temporarily define.
1893 * tree-streamer-in.c: Include asan.h.
1894 (streamer_get_builtin_tree): For builtins in sanitizer
1895 range call initialize_sanitizer_builtins and retry.
1897 2016-01-27 Ian Lance Taylor <iant@google.com>
1899 * common.opt (fkeep-gc-roots-live): New undocumented option.
1900 * tree-ssa-loop-ivopts.c (add_candidate_1): If
1901 -fkeep-gc-roots-live, skip pointers.
1902 (add_iv_candidate_for_biv): Handle add_candidate_1 returning
1905 2016-01-27 Uros Bizjak <ubizjak@gmail.com>
1908 * config/i386/i386.md (*zext<mode>_doubleword_and): New pattern.
1909 (*zext<mode>_doubleword): Disable for TARGET_ZERO_EXTEND_WITH_AND.
1911 2016-01-27 Thomas Klausner <wiz@NetBSD.org>
1914 * configure.ac: NetBSD provides SSP in its C library.
1915 * configure: Updated.
1917 2016-01-27 Richard Biener <rguenther@suse.de>
1919 PR tree-optimization/69166
1920 * tree-vect-loop.c (vect_is_simple_reduction): Always check
1921 reduction code for commutativity / associativity.
1923 2016-01-27 Martin Jambor <mjambor@suse.cz>
1925 PR tree-optimization/69355
1926 * tree-sra.c (analyze_access_subtree): Correct hole detection when
1927 total_scalarization fails.
1929 2016-01-27 David Edelsohn <dje.gcc@gmail.com>
1931 * config/rs6000/driver-rs6000.c (detect_processor_aix): Add
1934 2016-01-27 Christian Bruel <christian.bruel@st.com>
1937 * config/arm/arm-c.c (arm_pragma_target_parse): Add comments.
1938 Move arm_reset_previous_fndecl and set_target_option_current_node in
1939 the conditional part. Call save_restore_target_globals.
1940 * config/arm/arm.c (arm_set_current_function):
1941 Refactor to better support #pragma target and attribute mix.
1942 Call save_restore_target_globals.
1943 * config/arm/arm-protos.h (save_restore_target_globals): New function.
1945 2016-01-27 Martin Liska <mliska@suse.cz>
1947 * hsa.c (hsa_summary_t::link_functions): Create IPA_REF_ADDR
1948 reference for an HSA kernel and its host function.
1950 2016-01-27 Jakub Jelinek <jakub@redhat.com>
1952 PR tree-optimization/69399
1953 * wide-int.h (wi::lrshift): For larger precisions, only
1954 use fast path if shift is known to be < HOST_BITS_PER_WIDE_INT.
1956 2016-01-27 Claudiu Zissulescu <claziss@synopsys.com>
1958 * config/arc/predicates.md (proper_comparison_operator): Reject
1959 constant-constant comparison.
1961 2016-01-26 Tom de Vries <tom@codesourcery.com>
1963 PR tree-optimization/69110
1964 * tree-data-ref.c (initialize_data_dependence_relation): Handle
1965 DR_NUM_DIMENSIONS == 0.
1967 2016-01-26 Abderrazek Zaafrani <a.zaafrani@samsung.com>
1968 Sebastian Pop <s.pop@samsung.com>
1970 * graphite-isl-ast-to-gimple.c (ternary_op_to_tree): Handle
1971 isl_ast_op_cond and isl_ast_op_select.
1972 (gcc_expression_from_isl_expr_op): Same.
1974 2016-01-26 Jason Merrill <jason@redhat.com>
1977 * tree.c (recompute_constructor_flags): Split out from
1979 (verify_constructor_flags): New.
1980 * tree.h: Declare them.
1982 2016-01-26 Iain Buclaw <ibuclaw@gdcproject.org>
1984 PR rtl-optimization/69217
1985 * var-tracking.c (tracked_record_parameter_p): Don't segfault if there
1986 are no TYPE_FIELDS set for the record type.
1988 2016-01-26 Jakub Jelinek <jakub@redhat.com>
1991 * config/rs6000/rs6000.c (rs6000_option_override_internal): Initialize
1992 toc_label_name unconditionally.
1993 (rs6000_emit_load_toc_table): Call ggc_strdup on toc_label_name for
1994 SYMBOL_REF string. Use toc_label_name instead of constructing
1996 (rs6000_elf_declare_function_name): Use toc_label_name instead of
1997 constructing LCTOC1.
1999 2016-01-26 Martin Sebor <msebor@redhat.com>
2002 * doc/extend.texi (Common Type Attributes): Move text that talks about
2003 attribute packed from attribute aligned to the section discussing
2004 the former attribute for clarity.
2006 2016-01-26 Richard Henderson <rth@redhat.com>
2009 * trans-mem.c (tm_region_init): Mark entry block as visited.
2011 2016-01-26 David Malcolm <dmalcolm@redhat.com>
2014 * diagnostic-show-locus.c (layout::print_source_line): Replace
2015 call to pp_newline with call to layout::print_newline.
2016 (layout::print_annotation_line): Likewise.
2017 (layout::move_to_column): Likewise.
2018 (layout::print_any_fixits): After printing any fixits, print a
2019 trailing newline, if necessary.
2020 (layout::print_newline): New method, resetting any colorization
2022 (diagnostic_show_locus): Move the pp_newline to before the
2023 early bailout. Remove dummy block enclosing the layout instance.
2024 * diagnostic.c (default_diagnostic_finalizer): Replace invocation
2025 of pp_newline_and_flush with pp_flush.
2026 (diagnostic_append_note): Delete use of pp_newline.
2027 (diagnostic_append_note_at_rich_loc): Delete.
2028 * diagnostic.h (diagnostic_append_note_at_rich_loc): Delete.
2029 * pretty-print.h (output_buffer_append_r): Reset buff->line_length
2030 when newline characters are added to the buffer.
2032 2016-01-26 Michael Matz <matz@suse.de>
2034 * configure.ac (ac_cv_std_swap_in_utility): New test.
2035 * system.h (<algorithm>): Check HAVE_SWAP_IN_UTILITY as well.
2036 * configure: Regenerate.
2037 * config.in: Regenerate.
2039 2016-01-26 Claudiu Zissulescu <claziss@synopsys.com>
2041 * config/arc/arc.md (cstoresi4): Force operand into register.
2042 (arcset<code>): Fix predicate.
2043 (arcsetltu): Likewise.
2044 (arcsetgeu): Likewise.
2045 (arcsethi): Likewise.
2046 (arcsetls): Likewise.
2048 2016-01-26 Jakub Jelinek <jakub@redhat.com>
2050 PR tree-optimization/69483
2051 * gimple-fold.c (canonicalize_constructor_val): Return NULL
2052 if base has error_mark_node type.
2054 2016-01-26 Christophe Lyon <christophe.lyon@linaro.org>
2057 * config/arm/arm.c (neon_valid_immediate): Handle FP16 vectors.
2058 * config/arm/arm_neon.h (__ARM_NUM_LANES, __arm_lane, arm_lanq):
2060 (vget_lane_f16): Handle big-endian.
2061 (vgetq_lane_f16): Likewise.
2062 (vset_lane_f16): Likewise.
2063 (vsetq_lane_f16): Likewise.
2064 * config/arm/iterators.md (VQXMOV): Add V8HF.
2065 (VDQ): Add V4HF and V8HF.
2066 (V_reg): Handle V4HF and V8HF.
2067 (Is_float_mode): Likewise.
2068 * config/arm/neon.md (movv4hf, movv8hf, neon_vdup_nv4hf,
2069 neon_vdup_nv8hf): New patterns.
2070 (vec_set<mode>_internal, vec_extract<mode>, neon_vld1_dup<mode>):
2071 Use VD_LANE iterator.
2072 (neon_vld1_dup<mode>): Use VQ2 iterator.
2074 2016-01-26 Nathan Sidwell <nathan@acm.org>
2076 * omp-low.h (oacc_fn_attrib_kernels_p): Declare.
2077 (set_oacc_fn_attrib): Add IS_KERNEL arg.
2078 * omp-low.c (set_oacc_fn_attrib): Add IS_KERNEL arg.
2079 (oacc_fn_attrib_kernels_p, oacc_fn_attrib_level): New.
2080 (expand_omp_target): Pass is_kernel to set_oacc_fn_attrib.
2081 (oacc_validate_dims): Add LEVEL arg, don't return level.
2082 (new_oacc_loop_routine): Use oacc_fn_attrib_level, not
2084 (execute_oacc_device_lower): Adjust, add more dump output.
2085 * tree-ssa-loop.c (gate_oacc_kernels): Use
2086 oacc_fn_attrib_kernels_p.
2087 * tree-parloops.c (create_parallel_loop): Adjust
2088 set_oacc_fn_attrib call.
2090 2016-01-26 Jakub Jelinek <jakub@redhat.com>
2093 * lto-wrapper.c (merge_and_complain): Handle -fcilkplus.
2094 (append_compiler_options): Handle -fcilkplus.
2095 (append_linker_options): Ignore -fno-{openmp,openacc,cilkplus}.
2097 2016-01-26 Nick Clifton <nickc@redhat.com>
2100 * config/i386/winnt.c (i386_pe_binds_local_p): If a function has
2101 been marked as DECL_ONE_ONLY but we do not the means to make it
2102 so, then do not allow it to bind locally.
2104 2016-01-26 Jakub Jelinek <jakub@redhat.com>
2107 * opts.h (parse_sanitizer_options): New prototype.
2108 * opts.c (sanitizer_opts): New array.
2109 (parse_sanitizer_options): New function.
2110 (common_handle_option): Use parse_sanitizer_options.
2112 2016-01-26 H.J. Lu <hongjiu.lu@intel.com>
2115 * config/i386/i386.c (ix86_compute_frame_layout): Move stack
2116 alignment adjustment to ...
2117 (ix86_update_stack_boundary): Here. Don't over-align stack for
2119 (ix86_finalize_stack_realign_flags): Use stack_alignment_needed
2120 if __tls_get_addr is called.
2122 2016-01-26 Christian Bruel <christian.bruel@st.com>
2124 * doc/sourcebuild.texi (arm_crypto_pragma_ok): Remove.
2126 2016-01-26 Eric Botcazou <ebotcazou@adacore.com>
2128 * config/ia64/ia64.c (ia64_expand_vecint_compare): Use gen_int_mode.
2130 2016-01-26 Richard Biener <rguenther@suse.de>
2133 * match.pd: Guard X * CST CMP 0 pattern with single_use.
2135 2016-01-26 Richard Biener <rguenther@suse.de>
2137 PR tree-optimization/69452
2138 * tree-ssa-loop-im.c (move_computations_dom_walker): Remove.
2139 (move_computations_dom_walker::before_dom_children): Rename
2141 (move_computations_worker): This.
2142 (move_computations): Perform an RPO rather than a DOM walk.
2144 2016-01-26 Jakub Jelinek <jakub@redhat.com>
2147 * combine.c (combine_instructions): For REG_EQUAL note with
2148 SET_DEST being ZERO_EXTRACT, also temporarily set SET_DEST
2149 to the underlying register.
2150 * doc/rtl.texi (REG_EQUAL): Document the behavior of
2151 REG_EQUAL/REG_EQUIV notes if SET_DEST is ZERO_EXTRACT.
2153 2016-01-26 Roger Ferrer Ibáñez <rofirrim@gmail.com>
2156 * config/aarch64/aarch64-builtins.c
2157 (aarch64_init_simd_builtin_types): Do not set structural
2158 equality to __Poly{8,16,64,128}_t types.
2160 2016-01-26 Richard Sandiford <richard.sandiford@arm.com>
2162 PR tree-optimization/69400
2163 * wide-int.cc (wi_pack): Take the precision as argument and
2164 perform canonicalization here rather than in the callers.
2165 Use the main loop to handle all full-width HWIs. Add a
2166 zero HWI if in_len isn't a full result.
2167 (wi::divmod_internal): Update accordingly.
2168 (wi::mul_internal): Likewise. Simplify.
2170 2016-01-25 Aditya Kumar <aditya.k7@samsung.com>
2171 Sebastian Pop <s.pop@samsung.com>
2173 * graphite-poly.c (apply_poly_transforms): Simplify.
2174 (print_isl_set): Use more readable format: ISL_YAML_STYLE_BLOCK.
2175 (print_isl_map): Same.
2176 (print_isl_union_map): Same.
2177 (print_isl_schedule): New.
2178 (debug_isl_schedule): New.
2179 * graphite-dependences.c (scop_get_reads): Do not call
2180 isl_union_map_add_map that is undocumented isl functionality.
2181 (scop_get_must_writes): Same.
2182 (scop_get_may_writes): Same.
2183 (scop_get_original_schedule): Remove.
2184 (scop_get_dependences): Do not call isl_union_map_compute_flow that
2185 is deprecated in isl 0.15. Instead, use isl_union_access_* interface.
2186 (compute_deps): Remove.
2187 * graphite-isl-ast-to-gimple.c (print_schedule_ast): New.
2188 (debug_schedule_ast): New.
2189 (translate_isl_ast_to_gimple::scop_to_isl_ast): Call
2190 set_separate_option.
2191 (graphite_regenerate_ast_isl): Add dump.
2192 (translate_isl_ast_to_gimple::scop_to_isl_ast): Generate code
2193 from scop->transformed_schedule.
2194 (graphite_regenerate_ast_isl): Add more dump.
2195 * graphite-optimize-isl.c (optimize_isl): Set
2196 scop->transformed_schedule. Check whether schedules are equal.
2197 (apply_poly_transforms): Move here.
2198 * graphite-poly.c (apply_poly_transforms): ... from here.
2199 (free_poly_bb): Static.
2200 (free_scop): Static.
2201 (pbb_number_of_iterations_at_time): Remove.
2202 (print_isl_ast): New.
2203 (debug_isl_ast): New.
2204 (debug_scop_pbb): New.
2205 * graphite-scop-detection.c (print_edge): Move.
2207 * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Remove.
2208 (build_scop_scattering): Remove.
2209 (create_pw_aff_from_tree): Assert instead of bailing out.
2210 (add_condition_to_pbb): Remove unused code, do not fail.
2211 (add_conditions_to_domain): Same.
2212 (add_conditions_to_constraints): Remove.
2213 (build_scop_context): New.
2214 (add_iter_domain_dimension): New.
2215 (build_iteration_domains): Initialize pbb->iterators.
2216 Call add_conditions_to_domain.
2219 (index_outermost_in_loop): New.
2220 (index_pbb_in_loop): New.
2221 (outermost_pbb_in): New.
2222 (add_in_sequence): New.
2223 (add_outer_projection): New.
2224 (outer_projection_mupa): New.
2225 (add_loop_schedule): New.
2226 (build_schedule_pbb): New.
2227 (build_schedule_loop): New.
2228 (embed_in_surrounding_loops): New.
2229 (build_schedule_loop_nest): New.
2230 (build_original_schedule): New.
2231 (build_poly_scop): Call build_original_schedule.
2232 * graphite.h: Declare print_isl_schedule and debug_isl_schedule.
2233 (free_poly_dr): Remove.
2234 (struct poly_bb): Add iterators. Remove schedule, transformed, saved.
2235 (free_poly_bb): Remove.
2236 (debug_loop_vec): Remove.
2237 (print_isl_ast): Declare.
2238 (debug_isl_ast): Declare.
2239 (scop_do_interchange): Remove.
2240 (scop_do_strip_mine): Remove.
2241 (scop_do_block): Remove.
2242 (flatten_all_loops): Remove.
2243 (optimize_isl): Remove.
2244 (pbb_number_of_iterations_at_time): Remove.
2245 (debug_scop_pbb): Declare.
2246 (print_schedule_ast): Declare.
2247 (debug_schedule_ast): Declare.
2248 (struct scop): Remove schedule. Add original_schedule,
2249 transformed_schedule.
2250 (free_gimple_poly_bb): Remove.
2251 (print_generated_program): Remove.
2252 (debug_generated_program): Remove.
2253 (unify_scattering_dimensions): Remove.
2254 * sese.c (print_edge): ... here.
2255 (print_sese): ... here.
2256 (debug_edge): ... here.
2257 (debug_sese): ... here.
2258 * sese.h (print_edge): Declare.
2259 (print_sese): Declare.
2260 (dump_edge): Declare.
2261 (dump_sese): Declare.
2263 2016-01-25 Aditya Kumar <aditya.k7@samsung.com>
2264 Sebastian Pop <s.pop@samsung.com>
2266 * Makefile.in: Set ISLVER in site.exp.
2268 2016-01-25 Jakub Jelinek <jakub@redhat.com>
2270 * omp-low.c (lower_omp_target) <case USE_DEVICE_PTR>: Set
2271 DECL_VALUE_EXPR of new_var even for the non-array case. Look
2272 through DECL_VALUE_EXPR for expansion.
2274 2016-01-25 Bernd Edlinger <bernd.edlinger@hotmail.de>
2276 * config/mips/mips.c (mips_compute_frame_info): Skip re-computing
2277 the frame info after reload completed.
2279 2016-01-25 Jeff Law <law@redhat.com>
2281 PR tree-optimization/69196
2282 PR tree-optimization/68398
2283 * tree-ssa-threadupdate.h (enum bb_dom_status): Moved here from
2284 tree-ssa-threadupdate.c.
2285 (determine_bb_domination_status): Prototype
2286 * tree-ssa-threadupdate.c (enum bb_dom_status): Remove
2287 (determine_bb_domination_status): No longer static.
2288 (valid_jump_thread_path): Remove code to detect characteristics
2289 of the jump thread path not associated with correctness.
2290 * tree-ssa-threadbackward.c (fsm_find_control_statment_thread_paths):
2291 Correct test for thread path length. Count PHIs for real operands as
2292 statements that need to be copied. Do not count ASSERT_EXPRs.
2293 Look at all the blocks in the thread path. Compute and selectively
2294 filter thread paths based on threading through the latch, threading
2295 a multiway branch or crossing a multiway branch.
2297 2016-01-25 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2299 * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled): Add
2300 decl with __attribute__ ((unused)) annotation.
2302 2016-01-25 Ilya Enkovich <enkovich.gnu@gmail.com>
2305 * tree-vect-stmts.c (vectorizable_condition): Check vectype
2306 of operands is compatible with a statement vectype.
2308 2016-01-25 Eric Botcazou <ebotcazou@adacore.com>
2310 * doc/extend.texi (scalar_storage_order type attribute): Fix typo and
2311 improve wording for mixed storage order support.
2313 2016-01-25 Bilyan Borisov <bilyan.borisov@arm.com>
2315 * config/aarch64/arm_neon.h (vcvt_s64_f64): New intrinsic.
2316 (vcvt_u64_f64): Likewise.
2317 (vcvta_s64_f64): Likewise.
2318 (vcvta_u64_f64): Likewise.
2319 (vcvtm_s64_f64): Likewise.
2320 (vcvtm_u64_f64): Likewise.
2321 (vcvtn_s64_f64): Likewise.
2322 (vcvtn_u64_f64): Likewise.
2323 (vcvtp_s64_f64): Likewise.
2324 (vcvtp_u64_f64): Likewise.
2326 2016-01-25 Claudiu Zissulescu <claziss@synopsys.com>
2328 * config/arc/arc.c (TARGET_DWARF_REGISTER_SPAN): Define.
2329 (arc_init): Check validity mll64 option.
2330 (arc_save_restore): Use double load/store instruction.
2331 (arc_expand_movmem): Likewise.
2332 (arc_split_move): Don't split if we have double load/store
2333 instructions. Returns a boolean.
2334 (arc_process_double_reg_moves): Change function to return boolean
2335 instead of a sequence of instructions.
2336 (arc_dwarf_register_span): New function.
2337 * config/arc/arc-protos.h (arc_split_move): Change prototype.
2338 * config/arc/arc.h (TARGET_CPU_CPP_BUILTINS): Define __ARC_LL64__.
2339 * config/arc/arc.md (*movdi_insn): Emit ldd/std instructions.
2340 (*movdf_insn): Likewise.
2341 * config/arc/arc.opt (mll64): New option.
2342 * config/arc/predicates.md (even_register_operand): New predicate.
2343 * doc/invoke.texi (ARC Options): Add mll64 documentation.
2345 2016-01-25 Richard Biener <rguenther@suse.de>
2348 * dwarf2out.c (is_naming_typedef_decl): Not when DECL_NAMELESS.
2349 * tree-streamer-out.c (pack_ts_base_value_fields): Stream
2351 * tree-streamer-in.c (unpack_ts_base_value_fields): Likewise.
2353 2016-01-25 Richard Biener <rguenther@suse.de>
2355 PR tree-optimization/69376
2356 * tree-ssa-sccvn.h (struct vn_ssa_aux): Add range_info_anti_range_p
2358 (VN_INFO_ANTI_RANGE_P): New inline.
2359 (VN_INFO_RANGE_TYPE): Likewise.
2360 * tree-ssa-sccvn.c (set_ssa_val_to): Also record and copy
2361 SSA_NAME_ANTI_RANGE_P.
2362 (free_scc_vn): Restore SSA_NAME_ANTI_RANGE_P.
2363 * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
2364 Properly query VN_INFO_RANGE_TYPE.
2366 2016-01-25 Nick Clifton <nickc@redhat.com>
2369 * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Remove definition.
2371 2016-01-23 Tom de Vries <tom@codesourcery.com>
2373 PR tree-optimization/69426
2374 * tree-parloops.c (eliminate_local_variables_stmt): Handle vdef of
2377 2016-01-23 Jakub Jelinek <jakub@redhat.com>
2379 * tree-ssanames.c (release_free_names_and_compact_live_names): Replace
2380 "the the" with "the" in the comments.
2381 * ipa-devirt.c (build_type_inheritance_graph,
2382 update_type_inheritance_graph): Likewise.
2383 * tree.c (build_function_type_list_1): Likewise.
2384 * cfgloopmanip.c (scale_loop_profile): Likewise.
2385 * tree-ssa-loop-ivopts.c (get_shiftadd_cost): Likewise.
2386 * gimple-ssa-split-paths.c
2387 (find_block_to_duplicate_for_splitting_paths): Likewise.
2388 * tree-sra.c (init_subtree_with_zero, clobber_subtree): Likewise.
2389 * expr.c (convert_move): Likewise.
2390 * var-tracking.c (vt_stack_adjustments): Likewise.
2391 * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Likewise.
2392 * tree-vrp.c (test_for_singularity): Likewise.
2394 * tree-vect-stmts.c (vectorizable_condition): Build a VEC_COND_EXPR
2395 directly instead of building a temporary tree.
2398 * genrecog.c: Define INCLUDE_ALGORITHM before including system.h,
2399 remove <algorithm> include.
2401 2016-01-22 Jakub Jelinek <jakub@redhat.com>
2404 * config/i386/i386.c: Include dojump.h.
2405 (expand_small_movmem_or_setmem,
2406 expand_set_or_movmem_prologue_epilogue_by_misaligned_moves): Spelling
2408 (ix86_expand_set_or_movmem): Call do_pending_stack_adjust () early
2409 if dynamic_check != -1.
2411 2016-01-21 Jeff Law <law@redhat.com>
2414 * tree-ssa-dom.c (back_propagate_equivalences): Factored out of
2415 record_temporary_equivalences. Rewritten to avoid unnecessary calls
2416 into dominated_by_p.
2417 (cprop_into_successor_phis): Avoid unnecessary tests.
2419 2016-01-22 Richard Henderson <rth@redhat.com>
2422 * config/aarch64/aarch64.md (UNSPEC_NZCV): New.
2423 (ccmp<mode>, fccmp<mode>, fccmpe<mode>): Use it.
2425 2016-01-22 Michael Matz <matz@suse.de>
2427 * system.h (string, algorithm): Include only conditionally.
2428 (new): Include always under C++.
2429 * bb-reorder.c (toplevel): Define INCLUDE_ALGORITHM.
2430 * final.c (toplevel): Ditto.
2431 * ipa-chkp.c (toplevel): Define INCLUDE_STRING.
2432 * genconditions.c (write_header): Make gencondmd.c define
2434 * mem-stats.h (mem_usage::print_dash_line): Don't use std::string.
2436 * config/aarch64/aarch64.c (toplevel): Define INCLUDE_STRING.
2437 * common/config/aarch64/aarch64-common.c (toplevel): Ditto.
2439 2016-01-22 Christian Bruel <christian.bruel@st.com>
2442 * expr.c (expand_expr_real_1): Reset DECL_MODE if VECTOR_TYPE_P changed.
2444 2016-01-22 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
2447 * config/arm/thumb2.md (*thumb2_ior_scc_strict_it): Convert to
2448 define_insn_and_split. Ensure operands[1] and operands[0] do not
2449 get assigned the same register.
2451 2016-01-22 Kugan Vivekanandarajah <kuganv@linaro.org>
2453 * ipa-prop.c (ipa_set_jf_constant): Remove redundant unshare_expr.
2455 2016-01-22 Christian Bruel <christian.bruel@st.com>
2457 * config/arm/arm-c.c (arm_pragma_target_parse):
2458 Remove warn_builtin_macro_redefined overwrite.
2460 2016-01-22 Eric Botcazou <ebotcazou@adacore.com>
2462 * ipa-inline.c (can_inline_edge_p): Back out overzealous check on
2463 flag_non_call_exceptions compatibility.
2465 2016-01-22 Jakub Jelinek <jakub@redhat.com>
2468 * dwarf2out.c (add_child_die_after): New function.
2469 (dwarf_qual_info_t): New type.
2470 (dwarf_qual_info): New variable.
2471 (qualified_die_p): New function.
2472 (modified_type_die): For -fdebug-types-section, ensure
2473 canonical order of qualifiers. Put qualified DIEs adjacent
2474 to the corresponding non-qualified type DIE and search there
2475 for existing qualified DIEs.
2477 2016-01-22 Eric Botcazou <ebotcazou@adacore.com>
2479 * doc/extend.texi (scalar_storage_order type attribute): Document
2480 restriction on type punning and aliasing, and remove future tense.
2482 2016-01-21 Roman Zhuykov <zhroma@ispras.ru>
2485 * modulo-sched.c (optimize_sc): Allow branch-scheduling to add a new
2488 2016-01-21 Jeff Law <law@redhat.com>
2491 * tree-ssa-dom.c (dom_opt_dom_walker::thread_across_edge): Avoid
2492 useless call to record_temporary_equivalences.
2493 * tree-ssa-threadbackward.c (find_jump_threads_backwards): Just
2494 allocate 10 slots in the bb_path vector and let it grow as needed.
2495 (fsm_find_control_statement_thread_paths): Similarly for the next_path
2498 2016-01-21 David Edelsohn <dje.gcc@gmail.com>
2500 * configure.ac (gcc_cv_as_powerpc_mfcrf, gcc_cv_as_machine_directive):
2502 * configure: Regenerate.
2504 2016-01-21 Pat Haugen <pthaugen@us.ibm.com>
2506 * config/rs6000/aix71.h (ASM_CPU_SPEC): Add entry for Power9.
2507 * config/rs6000/driver-rs6000.c (struct asm_names): Likewise.
2509 2016-01-21 Bernd Schmidt <bschmidt@redhat.com>
2512 * expr.c (expand_expr_real_2) [PLUS_EXPR, MINUS_EXPR]: Don't
2513 drop EXPAND_INITIALIZER.
2514 * rtl.h (contains_symbolic_reference_p): Declare.
2515 * rtlanal.c (contains_symbolic_reference_p): New function.
2516 * simplify-rtx.c (simplify_binary_operation_1): Don't turn
2517 a subtraction into a NOT if symbolic constants are involved.
2519 2016-01-21 Anton Blanchard <anton@samba.org>
2520 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2523 * config/rs6000/linux64.h (TARGET_KEEP_LEAF_WHEN_PROFILED): New
2525 * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled): New
2528 2016-01-21 Ajit Agarwal <ajitkum@xilinx.com>
2530 * config/microblaze/microblaze.c
2531 (get_branch_target): New.
2532 (insert_wic_for_ilb_runout): New.
2534 (microblaze_machine_dependent_reorg): New.
2535 (TARGET_MACHINE_DEPENDENT_REORG): Define macro.
2536 * config/microblaze/microblaze.md
2537 (UNSPEC_IPREFETCH): Define.
2538 (iprefetch): New pattern
2539 * config/microblaze/microblaze.opt
2540 (mxl-prefetch): New flag.
2542 2016-01-21 Ajit Agarwal <ajitkum@xilinx.com>
2544 * config/microblaze/microblaze.h
2545 (FIXED_REGISTERS): Update in macro.
2546 (CALL_USED_REGISTERS): Update in macro.
2548 2016-01-21 Yuri Rumyantsev <ysrumyan@gmail.com>
2550 PR rtl-optimization/68920
2551 * ifcvt.c (cond_move_process_if_block): Limit number of conditional
2554 2016-01-21 Vladimir Makarov <vmakarov@redhat.com>
2556 PR rtl-optimization/68990
2557 * lra-coalesce.c (lra_coalesce): Invalidate value for the result
2558 pseudo instead of inheritance ones.
2560 2016-01-21 Bernd Edlinger <bernd.edlinger@hotmail.de>
2561 Nick Clifton <nickc@redhat.com>
2565 * config/mips/mips.c (mips_compute_frame_info): Initialise
2566 args_size and hard_frame_pointer_offset fields of the frame
2567 structure before calling mips_global_pointer.
2569 2016-01-21 David Edelsohn <dje.gcc@gmail.com>
2571 * configure.ac (gcc_cv_as_dwloc): Test support for debug frame section
2573 * configure: Regenerate.
2575 2016-01-21 Richard Biener <rguenther@suse.de>
2577 * graphite-optimize-isl.c (get_schedule_map): Fix typo.
2579 2016-01-21 Marcin Kościelnicki <koriakin@0x04.net>
2581 * config/s390/s390.c (s390_asm_declare_function_size): Add code
2582 to actually emit the .size directive.
2584 2016-01-21 Stefan Sørensen <stefan.sorensen@spectralink.com>
2585 Jakub Jelinek <jakub@redhat.com>
2589 * config/arm/arm-builtins.c (arm_expand_neon_builtin): Increase
2590 args array size by one to avoid buffer overflow.
2592 2016-01-21 Marcin Kościelnicki <koriakin@0x04.net>
2594 * config/s390/s390.md (pool_section_start): Use switch_to_section
2595 to select proper read-only data section instead of hardcoding
2597 (pool_section_end): Use switch_to_section to match the above.
2599 2016-01-21 Richard Biener <rguenther@suse.de>
2601 PR tree-optimization/69378
2602 * tree-ssa-sccvn.c (dominated_by_p_w_unex): New function.
2603 (set_ssa_val_to): Use it for dominance checks taking into
2604 account not executable edges.
2606 2016-01-21 Jakub Jelinek <jakub@redhat.com>
2609 * tree-dfa.c (get_ref_base_and_extent): Use GET_MODE_BITSIZE (mode)
2610 for bitsize instead of GET_MODE_PRECISION (mode).
2612 2016-01-20 Martin Sebor <msebor@redhat.com>
2615 * extend.texi (__sync Builtins): Clarify the semantics of
2616 __sync_fetch_and_OP built-ins on pointers.
2617 (__atomic Builtins): Same.
2619 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
2620 Sebastian Pop <s.pop@samsung.com>
2622 * graphite-isl-ast-to-gimple.c (enum phi_node_kind): New.
2623 (class translate_isl_ast_to_gimple): Use phi_node_kind instead of bool.
2624 (is_valid_rename): Same.
2625 (translate_isl_ast_to_gimple::get_rename): Same.
2626 (translate_isl_ast_to_gimple::rename_all_uses): Same.
2627 (translate_isl_ast_to_gimple::rename_uses): Same.
2628 (get_new_name): Check for close_phi nodes.
2629 (copy_loop_phi_args): Use phi_node_kind.
2630 (translate_isl_ast_to_gimple::copy_loop_close_phi_args): Same.
2631 (translate_isl_ast_to_gimple::copy_cond_phi_args): Same.
2633 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
2634 Sebastian Pop <s.pop@samsung.com>
2636 Revert commit r229783.
2637 * graphite-isl-ast-to-gimple.c (gcc_expression_from_isl_ast_expr_id):
2638 Remove use of parameter_rename_map.
2640 (copy_internal_parameters): Remove.
2641 (graphite_regenerate_ast_isl): Remove call to copy_internal_parameters.
2642 * sese.c (new_sese_info): Do not initialize parameter_rename_map.
2643 (free_sese_info): Do not free parameter_rename_map.
2644 (set_rename): Do not use parameter_rename_map.
2645 (rename_uses): Update call to set_rename.
2646 (graphite_copy_stmts_from_block): Do not use parameter_rename_map.
2647 * sese.h (parameter_rename_map_t): Remove.
2648 (struct sese_info_t): Remove field parameter_rename_map.
2650 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
2651 Sebastian Pop <s.pop@samsung.com>
2653 * graphite-isl-ast-to-gimple.c: Fix comment.
2654 * graphite-scop-detection.c (defined_in_loop_p): New.
2655 (canonicalize_loop_closed_ssa): Do not add close phi nodes for SSA
2656 names defined in loop.
2658 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
2659 Sebastian Pop <s.pop@samsung.com>
2661 * graphite-scop-detection.c (scop_detection::harmful_loop_in_region):
2662 Discard unstructured if-then-else regions.
2664 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
2665 Sebastian Pop <s.pop@samsung.com>
2667 * graphite-sese-to-poly.c (set_scop_parameter_dim): Remove.
2668 (cleanup_loop_iter_dom): Remove.
2669 (build_loop_iteration_domains): Remove.
2670 (build_scop_context): Remove.
2671 (build_scop_iteration_domain): Remove.
2672 (add_loop_constraints): New.
2673 (build_iteration_domains): New.
2674 (build_poly_scop): Call build_iteration_domains.
2676 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
2677 Sebastian Pop <s.pop@samsung.com>
2679 * graphite-scop-detection.c
2680 (scop_detection::harmful_loop_in_region): Free dom and loops.
2681 (scop_detection::loop_body_is_valid_scop): Free bbs.
2683 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
2684 Sebastian Pop <s.pop@samsung.com>
2686 * graphite-scop-detection.c (record_loop_in_sese): New.
2687 (gather_bbs::before_dom_children): Call record_loop_in_sese.
2688 (build_scops): Remove call to build_sese_loop_nests.
2689 * sese.c (sese_record_loop): Remove.
2690 (build_sese_loop_nests): Remove.
2691 (new_sese_info): Remove region->loops.
2692 (free_sese_info): Same.
2693 * sese.h (sese_contains_loop): Same.
2694 (build_sese_loop_nests): Remove.
2695 (sese_contains_loop): Remove.
2697 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
2698 Sebastian Pop <s.pop@samsung.com>
2700 * graphite-scop-detection.c (loop_is_valid_scop): Renamed
2701 loop_is_valid_in_scop.
2702 (scop_detection::harmful_stmt_in_region): Renamed
2703 harmful_loop_in_region.
2704 Call loop_is_valid_in_scop.
2706 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
2707 Sebastian Pop <s.pop@samsung.com>
2709 * graphite-isl-ast-to-gimple.c (translate_isl_ast): Also handle
2712 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
2713 Sebastian Pop <s.pop@samsung.com>
2715 * graphite-poly.c (new_poly_bb): Remove use of PBB_IS_REDUCTION.
2716 * graphite.h (struct poly_bb): Remove field is_reduction.
2717 (PBB_IS_REDUCTION): Remove.
2719 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
2720 Sebastian Pop <s.pop@samsung.com>
2722 * graphite-dependences.c (constrain_domain): Add call to isl_*_coalesce.
2723 (add_pdr_constraints): Same.
2724 (scop_get_reads): Same.
2725 (scop_get_must_writes): Same.
2726 (scop_get_may_writes): Same.
2727 (scop_get_original_schedule): Same.
2728 (extend_schedule): Same.
2729 (apply_schedule_on_deps): Same.
2730 (carries_deps): Same.
2731 (compute_deps): Same.
2732 (scop_get_dependences): Same.
2733 * graphite-isl-ast-to-gimple.c
2734 (translate_isl_ast_to_gimple::generate_isl_schedule): Same.
2735 * graphite-optimize-isl.c (get_schedule_for_band): Same.
2736 (get_schedule_for_band_list): Same.
2737 (get_schedule_map): Same.
2738 (apply_schedule_map_to_scop): Same.
2739 * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
2740 (build_loop_iteration_domains): Same.
2741 (add_condition_to_pbb): Same.
2742 (add_param_constraints): Same.
2743 (pdr_add_memory_accesses): Same.
2744 (pdr_add_data_dimensions): Same.
2746 2016-01-20 Sandra Loosemore <sandra@codesourcery.com>
2748 * doc/invoke.texi (Instrumentation Options): Clarify -mmpx linking
2751 2016-01-20 Sandra Loosemore <sandra@codesourcery.com>
2753 * common.opt (feliminate-dwarf2-dups): Replace references to
2754 "DWARF 2" with just "DWARF".
2755 * config/ia64/ia64.opt (mdwarf2-asm): Likewise.
2756 * doc/extend.texi: Likewise.
2757 * doc/cpp.texi: Likewise.
2758 * doc/invoke.texi: Likewise.
2759 (Option Summary): Add -gdwarf to list of Debugging Options.
2760 (Debugging Options): Document -gdwarf.
2761 * doc/contrib.texi: Spell "DWARF" like that.
2763 2016-01-21 Jakub Jelinek <jakub@redhat.com>
2765 * omp-low.c (expand_omp_target): Avoid -Wmaybe-uninitialized
2766 warning. Fix up formatting.
2769 * gimplify.c (gimplify_asm_expr): Warn if it is too late to
2770 attempt to mark memory input operand addressable and
2771 call prepare_gimple_addressable in that case. Don't adjust
2772 input_location for diagnostics, use error_at instead.
2774 2016-01-20 Peter Bergner <bergner@vnet.ibm.com>
2776 * config/rs6000/ppc-auxv.h: New file.
2777 * config/rs6000/rs6000-builtin.def (cpu_init): Add new builtin.
2779 (cpu_supports): Likewise.
2780 * config/rs6000/rs6000.c: include "ppc-auxv.h".
2781 (cpu_is_info): New variable.
2782 (cpu_supports_info): Likewise.
2783 (tcb_verification_symbol): Likewise.
2784 (cpu_builtin_p): Likewise.
2785 (cpu_expand_builtin): New function.
2786 (rs6000_expand_ternop_builtin): Add support for CPU builtin functions.
2787 (rs6000_init_builtins): Likewise.
2788 (rs6000_elf_file_end): Emit HWCAP in TCB verification symbol.
2789 * config/rs6000/rs6000.h (TLS_REGNUM): New define.
2790 * configure.ac (gcc_cv_libc_provides_hwcap_in_tcb): New test.
2791 * configure: Regenerate.
2792 * config.in: Likewise.
2793 * doc/extend.texi (PowerPC Built-in Functions): Document
2794 __builtin_cpu_init, __builtin_cpu_is and __builtin_cpu_supports.
2796 2016-01-20 David Edelsohn <dje.gcc@gmail.com>
2799 * config/rs6000/rs6000.c (rs6000_emit_swsqrt): Add vector sqrt
2801 * config/rs6000/vector.md (sqrt<mode>2): Call rs6000_emit_swsqrt
2804 2016-01-20 Richard Henderson <rth@redhat.com>
2810 * tree.c (tm_define_builtin): New.
2811 (find_tm_vector_type): New.
2812 (build_tm_vector_builtins): New.
2813 (build_common_builtin_nodes): Call it.
2815 2016-01-20 Christophe Lyon <christophe.lyon@linaro.org>
2817 * doc/sourcebuild.texi (arm_crypto_pragma_ok): Document new entry.
2818 (arm_fp_ok): Likewise.
2820 (arm_crypto): Likewise.
2822 2016-01-20 Ilya Enkovich <enkovich.gnu@gmail.com>
2823 Richard Biener <rguenther@suse.de>
2825 PR tree-optimization/69328
2826 * tree-vect-stmts.c (vect_is_simple_cond): Check compared
2827 vectors have same number of elements.
2828 (vectorizable_condition): Fix masked version recognition.
2830 2016-01-20 Richard Biener <rguenther@suse.de>
2832 PR tree-optimization/69345
2833 * tree-ssa-sccvn.h (VN_INFO_RANGE_INFO): New inline function.
2834 (VN_INFO_PTR_INFO): Likewise.
2835 * tree-ssa-sccvn.c (set_ssa_val_to): Avoid clearing points-to
2836 info when it is equal between non-dominating SSA names.
2837 * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
2838 Make sure to look at original SSA infos.
2840 2016-01-20 Jeff Law <law@redhat.com>
2843 * config/m68k/predicates.md (pow2_m1_operand): New predicate
2845 (reg_or_pow2_m1_operand): Call pow2_m1_operand.
2846 (pc_or_label_operand): New predicate.
2847 * config/m68k/m68k.md: Add new peephole2 patterns for GTU/LEU
2848 tests for small integers that are 2^n - 1.
2850 2016-01-20 Jonathan Wakely <jwakely@redhat.com>
2852 * doc/invoke.texi (Options Summary): Add '.' after @xref.
2854 2016-01-19 Jeff Law <law@redhat.com>
2857 * tree-ssa-threadbackwards.c
2858 (fsm_find_control_statement_thread_paths): Do not try to lookup
2859 FSM paths for SSA_NAMEs appearing in abnormal PHIs.
2861 2016-01-20 Kugan Vivekanandarajah <kuganv@linaro.org>
2863 * doc/lto.texi: Remove text that says only Gold has linker plugin
2866 2016-01-19 Eric Botcazou <ebotcazou@adacore.com>
2868 * dwarf2out.c (need_endianity_attribute_p): New inline predicate.
2869 (base_type_die): Add REVERSE parameter and attach DW_AT_endianity to
2870 the DIE accordingly.
2871 (modified_type_die): Add REVERSE parameter and pass it recursively,
2872 as well as to base_type_die. Adjust presence check accordingly.
2873 (base_type_for_mode): Adjust call to modified_type_die.
2874 (add_type_attribute): Add REVERSE parameter and pass it to
2876 (generic_parameter_die): Adjust call to add_type_attribute.
2877 (add_scalar_info): Likewise.
2878 (add_subscript_info): Likewise.
2879 (gen_array_type_die): Likewise.
2880 (gen_descr_array_type_die): Likewise.
2881 (gen_entry_point_die): Likewise.
2882 (gen_enumeration_type_die): Likewise.
2883 (gen_formal_parameter_die): Likewise.
2884 (gen_subprogram_die): Likewise.
2885 (gen_variable_die ): Likewise.
2886 (gen_const_die): Likewise.
2887 (gen_field_die): Likewise.
2888 (gen_pointer_type_die): Likewise.
2889 (gen_reference_type_die): Likewise.
2890 (gen_ptr_to_mbr_type_die): Likewise.
2891 (gen_inheritance_die): Likewise.
2892 (gen_subroutine_type_die): Likewise.
2893 (gen_typedef_die): Likewise.
2894 (force_type_die): Adjust call to modified_type_die.
2896 2016-01-19 Sandra Loosemore <sandra@codesourcery.com>
2898 * doc/standards.texi: Copy-editing for grammar, markup, and sentence
2899 flow throughout the file. Fix broken link to Objective-C 2.0
2901 * doc/invoke.texi: More copy-editing; fix numerous typos and spelling
2904 2016-01-19 Wilco Dijkstra <wdijkstr@arm.com>
2906 * ccmp.c (expand_ccmp_expr_1): Avoid spurious unused warnings.
2908 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
2911 * ipa-devirt.c (is_cxa_pure_virtual_p): New function.
2912 (maybe_record_node): Record cxa_pure_virtual as the only possible
2913 target if there are not ohter candidates.
2914 (possible_polymorphic_call_target_p): Accept cxa_pure_virtual.
2916 2016-01-19 Richard Biener <rguenther@suse.de>
2918 * hsa-gen.c (get_memory_order_name): Use MEMMODEL_ constants.
2919 (get_memory_order): Likewise.
2921 2016-01-19 Kirill Yukhin <kirill.yukhin@intel.com>
2923 * tree-vect-stmts.c (vectorizable_store): Check
2926 2016-01-19 David Malcolm <dmalcolm@redhat.com>
2929 * gcc.c (driver::decode_argv): Add call to
2930 init_opts_obstack before init_options_struct.
2931 * opts.c (init_opts_obstack): Remove idempotency.
2932 (init_options_struct): Replace call to init_opts_obstack
2933 with a gcc_assert to verify that it has already been called.
2934 * toplev.c (toplev::main): Add call to init_opts_obstack before
2935 calls to init_options_struct.
2936 (toplev::finalize): Move cleanup of opts_obstack next to
2937 cleanup of save_decoded_options, clearing the latter, and
2938 save_decoded_options_count.
2940 2016-01-19 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
2943 * config/arm/vfp.md (l<vrint_pattern><su_optab><mode>si2): Set "conds"
2944 attribute to unconditional. Remove %? from output template.
2946 2015-01-19 Wilco Dijkstra <wdijkstr@arm.com>
2947 Jiong Wang <jiong.wang@arm.com>
2949 * ccmp.c (expand_ccmp_expr_1): Cost the instruction sequences
2950 generated from different expand order.
2952 2015-01-19 Wilco Dijkstra <wdijkstr@arm.com>
2954 * /config/aarch64/aarch64.c (aarch64_if_then_else_costs):
2955 Add support for CCMP costing.
2957 2015-01-19 Wilco Dijkstra <wdijkstr@arm.com>
2959 * ccmp.c (ccmp_candidate_p): Remove integer-only restriction.
2960 * config/aarch64/aarch64.md (fccmp<mode>): New pattern.
2961 (fccmpe<mode>): Likewise.
2962 (fcmp): Rename to fcmp and globalize pattern.
2964 * config/aarch64/aarch64.c (aarch64_gen_ccmp_first): Add FP support.
2965 (aarch64_gen_ccmp_next): Add FP support.
2967 2015-01-19 Wilco Dijkstra <wdijkstr@arm.com>
2969 * target.def (gen_ccmp_first): Update documentation.
2970 (gen_ccmp_next): Likewise.
2971 * doc/tm.texi (gen_ccmp_first): Update documentation.
2972 (gen_ccmp_next): Likewise.
2973 * ccmp.c (expand_ccmp_expr): Extract cmp_code from return value of
2974 expand_ccmp_expr_1. Improve comments.
2975 * config/aarch64/aarch64.md (ccmp_and): Use if_then_else for ccmp.
2976 (ccmp_ior<mode>): Remove pattern.
2977 (cmp<mode>): Remove expand.
2978 (cmp): Globalize pattern.
2979 (cstorecc4): Use cc_register.
2980 (mov<mode>cc): Remove ccmp_cc_register check.
2981 * config/aarch64/aarch64.c (aarch64_get_condition_code_1):
2982 Simplify after removal of CC_DNE/* modes.
2983 (aarch64_ccmp_mode_to_code): Remove.
2984 (aarch64_print_operand): Remove 'K' case. Merge 'm' and 'M' cases.
2985 In 'k' case use integer as condition.
2986 (aarch64_nzcv_codes): Remove inverted cases.
2987 (aarch64_code_to_ccmode): Remove.
2988 (aarch64_gen_ccmp_first): Use cmp pattern directly. Return the correct
2989 comparison with CC register to be used in folowing CCMP/branch/CSEL.
2990 (aarch64_gen_ccmp_next): Use previous comparison and mode in CCMP
2991 pattern. Return the comparison with CC register. Invert conditions
2993 * config/aarch64/aarch64-modes.def: Remove CC_DNE/* modes.
2994 * config/aarch64/predicates.md (ccmp_cc_register): Remove.
2996 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
2998 * cgraphunit.c (cgraph_node::reset): Clear thunk info and
2999 instrumented_version.
3001 2016-01-19 Richard Biener <rguenther@suse.de>
3003 PR tree-optimization/69336
3004 * tree-ssa-scopedtables.c (avail_expr_hash): Handle all
3005 handled components with get_ref_base_and_extent.
3006 (equal_mem_array_ref_p): Adjust.
3008 2016-01-19 Jakub Jelinek <jakub@redhat.com>
3011 * shrink-wrap.c: Include valtrack.h.
3012 (move_insn_for_shrink_wrap): Add DEBUG argument. If
3013 MAY_HAVE_DEBUG_INSNS, call dead_debug_add on DEBUG_INSNs
3014 in between insn and where it will be moved to. Call
3015 dead_debug_insert_temp.
3016 (prepare_shrink_wrap): Adjust caller. Call dead_debug_local_init
3017 first and dead_debug_local_finish at the end.
3018 For uses and defs bitmap, handle all regs in between REGNO and
3019 END_REGNO, not just the first one.
3021 2016-01-19 Richard Biener <rguenther@suse.de>
3023 PR tree-optimization/69352
3024 * tree-ssa-scopedtables.c (avail_expr_hash): Check for size == -1.
3025 (equal_mem_array_ref_p): Constrain size and max size properly.
3026 Compare the reverse flag.
3028 2016-01-19 Bernd Schmidt <bschmidt@redhat.com>
3030 * ira.c (ira): Update regstat data if we deleted insns.
3032 2016-01-19 Jakub Jelinek <jakub@redhat.com>
3034 PR rtl-optimization/68955
3035 PR rtl-optimization/64557
3036 * dse.c (record_store, check_mem_read_rtx): Don't call get_addr
3037 here. Fix up formatting.
3038 * alias.c (get_addr): Handle VALUE +/- CONST_SCALAR_INT_P.
3040 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
3043 * cgraphunit.c (cgraph_node::expand_thunk): When forcing gimple
3044 assume that the node has body.
3045 * cgraph.c (cgraph_node::get_untransformed_body): Use gimple_body_p
3048 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
3050 * lto-streamer-out.c (lto_output): Do not stream instrumentation
3053 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
3055 * symtab.c (symtab_node::asm_name): Do not call printable name directly.
3056 (symtab_node::name): Report name as unnamed if DECL_NAME is not set.
3058 2016-01-19 Martin Jambor <mjambor@suse.cz>
3059 Martin Liska <mliska@suse.cz>
3060 Michael Matz <matz@suse.de>
3062 * Makefile.in (OBJS): Add new source files.
3063 (GTFILES): Add hsa.c.
3064 * common.opt (disable_hsa): New variable.
3065 (-Whsa): New warning.
3066 * config.in (ENABLE_HSA): New.
3067 * configure.ac: Treat hsa differently from other accelerators.
3068 (OFFLOAD_TARGETS): Define ENABLE_OFFLOADING according to
3070 (ENABLE_HSA): Define ENABLE_HSA according to $enable_hsa.
3071 * doc/install.texi (Configuration): Document --with-hsa-runtime,
3072 --with-hsa-runtime-include, --with-hsa-runtime-lib and
3074 * doc/invoke.texi (-Whsa): Document.
3075 (hsa-gen-debug-stores): Likewise.
3076 * lto-wrapper.c (compile_images_for_offload_targets): Do not attempt
3077 to invoke offload compiler for hsa acclerator.
3078 * opts.c (common_handle_option): Determine whether HSA offloading
3079 should be performed.
3080 * params.def (PARAM_HSA_GEN_DEBUG_STORES): New parameter.
3081 * builtin-types.def (BT_FN_VOID_UINT_PTR_INT_PTR): New.
3082 (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_INT_INT): Removed.
3083 (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_PTR): New.
3084 * gimple-low.c (lower_stmt): Also handle GIMPLE_OMP_GRID_BODY.
3085 * gimple-pretty-print.c (dump_gimple_omp_for): Also handle
3086 GF_OMP_FOR_KIND_GRID_LOOP.
3087 (dump_gimple_omp_block): Also handle GIMPLE_OMP_GRID_BODY.
3088 (pp_gimple_stmt_1): Likewise.
3089 * gimple-walk.c (walk_gimple_stmt): Likewise.
3090 * gimple.c (gimple_build_omp_grid_body): New function.
3091 (gimple_copy): Also handle GIMPLE_OMP_GRID_BODY.
3092 * gimple.def (GIMPLE_OMP_GRID_BODY): New.
3093 * gimple.h (enum gf_mask): Added GF_OMP_PARALLEL_GRID_PHONY,
3094 GF_OMP_FOR_KIND_GRID_LOOP, GF_OMP_FOR_GRID_PHONY and
3095 GF_OMP_TEAMS_GRID_PHONY.
3096 (gimple_statement_omp_single_layout): Updated comments.
3097 (gimple_build_omp_grid_body): New function.
3098 (gimple_has_substatements): Also handle GIMPLE_OMP_GRID_BODY.
3099 (gimple_omp_for_grid_phony): New function.
3100 (gimple_omp_for_set_grid_phony): Likewise.
3101 (gimple_omp_parallel_grid_phony): Likewise.
3102 (gimple_omp_parallel_set_grid_phony): Likewise.
3103 (gimple_omp_teams_grid_phony): Likewise.
3104 (gimple_omp_teams_set_grid_phony): Likewise.
3105 (gimple_return_set_retbnd): Also handle GIMPLE_OMP_GRID_BODY.
3106 * omp-builtins.def (BUILT_IN_GOMP_OFFLOAD_REGISTER): New.
3107 (BUILT_IN_GOMP_OFFLOAD_UNREGISTER): Likewise.
3108 (BUILT_IN_GOMP_TARGET): Updated type.
3109 * omp-low.c: Include symbol-summary.h, hsa.h and params.h.
3110 (adjust_for_condition): New function.
3111 (get_omp_for_step_from_incr): Likewise.
3112 (extract_omp_for_data): Moved parts to adjust_for_condition and
3113 get_omp_for_step_from_incr.
3114 (build_outer_var_ref): Handle GIMPLE_OMP_GRID_BODY.
3115 (fixup_child_record_type): Bail out if receiver_decl is NULL.
3116 (scan_sharing_clauses): Handle OMP_CLAUSE__GRIDDIM_.
3117 (scan_omp_parallel): Do not create child functions for phony
3119 (check_omp_nesting_restrictions): Handle GIMPLE_OMP_GRID_BODY.
3120 (scan_omp_1_op): Checking assert we are not remapping to
3121 ERROR_MARK. Also also handle GIMPLE_OMP_GRID_BODY.
3122 (parallel_needs_hsa_kernel_p): New function.
3123 (expand_parallel_call): Register apprpriate parallel child
3124 functions as HSA kernels.
3125 (grid_launch_attributes_trees): New type.
3126 (grid_attr_trees): New variable.
3127 (grid_create_kernel_launch_attr_types): New function.
3128 (grid_insert_store_range_dim): Likewise.
3129 (grid_get_kernel_launch_attributes): Likewise.
3130 (get_target_argument_identifier_1): Likewise.
3131 (get_target_argument_identifier): Likewise.
3132 (get_target_argument_value): Likewise.
3133 (push_target_argument_according_to_value): Likewise.
3134 (get_target_arguments): Likewise.
3135 (expand_omp_target): Call get_target_arguments instead of looking
3136 up for teams and thread limit.
3137 (grid_expand_omp_for_loop): New function.
3138 (grid_arg_decl_map): New type.
3139 (grid_remap_kernel_arg_accesses): New function.
3140 (grid_expand_target_kernel_body): New function.
3141 (expand_omp): Call it.
3142 (lower_omp_for): Do not emit phony constructs.
3143 (lower_omp_taskreg): Do not emit phony constructs but create for them
3144 a temporary variable receiver_decl.
3145 (lower_omp_taskreg): Do not emit phony constructs.
3146 (lower_omp_teams): Likewise.
3147 (lower_omp_grid_body): New function.
3148 (lower_omp_1): Call it.
3149 (grid_reg_assignment_to_local_var_p): New function.
3150 (grid_seq_only_contains_local_assignments): Likewise.
3151 (grid_find_single_omp_among_assignments_1): Likewise.
3152 (grid_find_single_omp_among_assignments): Likewise.
3153 (grid_find_ungridifiable_statement): Likewise.
3154 (grid_target_follows_gridifiable_pattern): Likewise.
3155 (grid_remap_prebody_decls): Likewise.
3156 (grid_copy_leading_local_assignments): Likewise.
3157 (grid_process_kernel_body_copy): Likewise.
3158 (grid_attempt_target_gridification): Likewise.
3159 (grid_gridify_all_targets_stmt): Likewise.
3160 (grid_gridify_all_targets): Likewise.
3161 (execute_lower_omp): Call grid_gridify_all_targets.
3162 (make_gimple_omp_edges): Handle GIMPLE_OMP_GRID_BODY.
3163 * tree-core.h (omp_clause_code): Added OMP_CLAUSE__GRIDDIM_.
3164 (tree_omp_clause): Added union field dimension.
3165 * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE__GRIDDIM_.
3166 * tree.c (omp_clause_num_ops): Added number of arguments of
3167 OMP_CLAUSE__GRIDDIM_.
3168 (omp_clause_code_name): Added name of OMP_CLAUSE__GRIDDIM_.
3169 (walk_tree_1): Handle OMP_CLAUSE__GRIDDIM_.
3170 * tree.h (OMP_CLAUSE_GRIDDIM_DIMENSION): New.
3171 (OMP_CLAUSE_SET_GRIDDIM_DIMENSION): Likewise.
3172 (OMP_CLAUSE_GRIDDIM_SIZE): Likewise.
3173 (OMP_CLAUSE_GRIDDIM_GROUP): Likewise.
3174 * passes.def: Schedule pass_ipa_hsa and pass_gen_hsail.
3175 * tree-pass.h (make_pass_gen_hsail): Declare.
3176 (make_pass_ipa_hsa): Likewise.
3177 * ipa-hsa.c: New file.
3178 * lto-section-in.c (lto_section_name): Add hsa section name.
3179 * lto-streamer.h (lto_section_type): Add hsa section.
3180 * timevar.def (TV_IPA_HSA): New.
3181 * hsa-brig-format.h: New file.
3182 * hsa-brig.c: New file.
3183 * hsa-dump.c: Likewise.
3184 * hsa-gen.c: Likewise.
3187 * toplev.c (compile_file): Call hsa_output_brig.
3188 * hsa-regalloc.c: New file.
3190 2016-01-18 Jeff Law <law@redhat.com>
3192 PR tree-optimization/69320
3193 * tree-ssa-dom.c (record_edge_info): For comparisons against a boolean
3194 ranged object, do nothing if the RHS constant is not [0..1].
3195 (optimize_stmt): Comparing a boolean ranged object against a
3196 constant outside [0..1] results in a compile-time constant.
3198 * tree-ssanames.c (ssa_name_has_boolean_range): Remove unnecessary
3201 2016-01-18 Sandra Loosemore <sandra@codesourcery.com>
3203 * doc/invoke.texi (Invoking GCC): Add new section to menu.
3204 (Option Summary): Update to reflect new section and moved options.
3205 (C++ Dialect Options): Move -fstats to new section.
3206 (Debugging Options): Move all dump, statistics, and other GCC
3207 developer options to new section. Rewrite section introduction
3208 and re-order remaining options to put the more basic ones first.
3209 (Optimization Options): Move -fira-verbose and -flto-report* to
3211 (Developer Options): New section incorporating moved options.
3212 * doc/cppopts.texi (-dM): Update cross-reference.
3214 2016-01-18 Richard Henderson <rth@redhat.com>
3217 * config/aarch64/aarch64.md (add<GPI>3): Move long immediate
3218 operands to pseudo only if CSE is expected. Split long immediate
3219 operands only after reload, and for the stack pointer.
3220 (*add<GPI>3_pluslong): Remove.
3221 (*addsi3_aarch64, *adddi3_aarch64): Merge into...
3222 (*add<GPI>3_aarch64): ... here. Add r/rk/Upl alternative.
3223 (*addsi3_aarch64_uxtw): Add r/rk/Upl alternative.
3224 (*add<GPI>3 peepholes): New.
3225 (*add<GPI>3 splitters): New.
3226 * config/aarch64/constraints.md (Upl): New.
3227 * config/aarch64/predicates.md (aarch64_pluslong_strict_immedate): New.
3229 2016-01-18 Richard Biener <rguenther@suse.de>
3231 PR tree-optimization/69297
3232 * tree-vect-slp.c (vect_bb_slp_scalar_cost): Count each scalar
3234 (vect_bb_vectorization_profitable_p): Clear visited flag again.
3236 2016-01-18 Yuri Rumyantsev <ysrumyan@gmail.com>
3239 * fold-const.c (fold_binary_op_with_conditional_arg): Bail out for case
3240 of mixind vector and scalar types.
3241 (fold_relational_const): Add handling of vector
3242 comparison with boolean result.
3243 * tree-cfg.c (verify_gimple_comparison): Add argument CODE, allow
3244 comparison of vector operands with boolean result for EQ/NE only.
3245 (verify_gimple_assign_binary): Adjust call for verify_gimple_comparison.
3246 (verify_gimple_cond): Likewise.
3247 * tree-vrp.c (extract_code_and_val_from_cond_with_ops): Modify check on
3250 2016-01-18 Joseph Myers <joseph@codesourcery.com>
3252 * config/mips/mips.h (ISA_HAS_PAIRED_SINGLE): Require
3255 2016-01-18 Richard Biener <rguenther@suse.de>
3258 * gimple.c (gimple_could_trap_p_1): Handle GIMPLE_COND.
3260 2016-01-18 Tom de Vries <tom@codesourcery.com>
3262 * passes.def: Add pass_parallelize_loops to pass_oacc_kernels.
3264 2016-01-18 Tom de Vries <tom@codesourcery.com>
3266 * omp-low.c (set_oacc_fn_attrib): Make extern.
3267 * omp-low.h (set_oacc_fn_attrib): Declare.
3268 * tree-parloops.c (struct reduction_info): Add reduc_addr field.
3269 (create_call_for_reduction_1): Handle case that reduc_addr is non-NULL.
3270 (create_parallel_loop, gen_parallel_loop, try_create_reduction_list):
3271 Add and handle function parameter oacc_kernels_p.
3272 (find_reduc_addr, get_omp_data_i_param): New function.
3273 (ref_conflicts_with_region, oacc_entry_exit_ok_1)
3274 (oacc_entry_exit_single_gang, oacc_entry_exit_ok): New function.
3275 (parallelize_loops): Add and handle function parameter oacc_kernels_p.
3276 Calculate dominance info. Skip loops that are not in a kernels region
3277 in oacc_kernels_p mode. Skip inner loops of parallelized loops.
3278 (pass_parallelize_loops::execute): Call parallelize_loops with
3279 oacc_kernels_p argument.
3280 (pass_parallelize_loops::clone, pass_parallelize_loops::set_pass_param):
3281 New member function.
3282 (pass_parallelize_loops::bool oacc_kernels_p): New member var.
3283 * passes.def: Add argument to pass_parallelize_loops instantation.
3285 2016-01-18 Tom de Vries <tom@codesourcery.com>
3287 * tree-parloops.c (pass_parallelize_loops::execute): Allow
3288 pass_parallelize_loops to be run outside the loop pipeline.
3290 2016-01-18 Alan Lawrence <alan.lawrence@arm.com>
3292 * tree-scalar-evolution.c (follow_copies_to_constant): New.
3293 (analyze_initial_condition, analyze_scalar_evolution_1): Call previous.
3295 2016-01-18 Alan Lawrence <alan.lawrence@arm.com>
3298 * tree-ssa-scopedtables.c (avail_expr_hash): Hash MEM_REF and ARRAY_REF
3299 using get_ref_base_and_extent.
3300 (equal_mem_array_ref_p): New.
3301 (hashable_expr_equal_p): Add call to previous.
3303 2016-01-18 Alan Lawrence <alan.lawrence@arm.com>
3306 * tree-sra.c (disqualified_constants, constant_decl_p): New.
3307 (sra_initialize): Allocate disqualified_constants.
3308 (sra_deinitialize): Free disqualified_constants.
3309 (disqualify_candidate): Update disqualified_constants when appropriate.
3310 (create_access): Scan for constant-pool entries as we go along.
3311 (scalarizable_type_p): Add check against type_contains_placeholder_p.
3312 (maybe_add_sra_candidate): Allow constant-pool entries.
3313 (load_assign_lhs_subreplacements): Bind debug for constant pool vars.
3314 (initialize_constant_pool_replacements): New.
3315 (sra_modify_assign): Avoid mangling assignments created by previous,
3316 and don't generate writes into constant pool.
3317 (sra_modify_function_body): Call initialize_constant_pool_replacements.
3319 2016-01-18 Ilya Enkovich <enkovich.gnu@gmail.com>
3321 * config/i386/i386.c (scalar_to_vector_candidate_p): Support
3323 (scalar_chain::convert_op): Likewise.
3324 * config/i386/i386.md (*andndi3_doubleword): New.
3326 2016-01-18 Richard Biener <rguenther@suse.de>
3328 PR tree-optimization/69170
3329 * tree-vect-slp.c (vect_build_slp_tree): Verify we are not
3330 building a vector from scalar results of a pattern stmt.
3332 2016-01-18 Jakub Jelinek <jakub@redhat.com>
3334 * haifa-sched.c (autopref_multipass_init): Work around
3335 -Wmaybe-uninitialized warning.
3337 2016-01-18 Thomas Preud'homme <thomas.preudhomme@arm.com>
3339 * config/arm/arm.c (thumb1_reorg): Check that the comparison is
3340 against the constant 0.
3342 2016-01-17 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
3344 PR tree-optimization/68799
3345 * gimple-ssa-strength-reduction.c (create_phi_basis): Directly
3346 look up phi candidates in the statement-candidate map.
3347 (phi_add_costs): Likewise.
3348 (record_phi_increments): Likewise.
3349 (phi_incr_cost): Likewise.
3350 (ncd_with_phi): Likewise.
3351 (all_phi_incrs_profitable): Likewise.
3353 2016-01-17 Jakub Jelinek <jakub@redhat.com>
3355 * omp-low.c (mark_loops_in_oacc_kernels_region): Work around
3356 -Wmaybe-uninitialized warning.
3358 2016-01-16 Sandra Loosemore <sandra@codesourcery.com>
3360 * doc/invoke.texi (Invoking GCC): Add new section to menu.
3361 (Option Summary): Update to reflect new section and moved options.
3362 (C++ Dialect Options): Move -fvtable-verify and related options.
3363 (Debugging Options): Move Sanitizer, Pointer Bounds Checker,
3364 and profiling-related options.
3365 (Optimization Options): Move profile generation options and
3366 -fstack-protector and related options.
3367 (Instrumentation Options): New section incorporating moved options.
3368 (Code Generation Options): Move -finstrument-functions and
3369 related options, -fstack-check, -fstack-limit*, and -fbounds-check.
3371 2016-01-16 Tom de Vries <tom@codesourcery.com>
3373 * passes.def: Move pass_expand_omp_ssa out of pass_parallelize_loops.
3375 2016-01-16 Tom de Vries <tom@codesourcery.com>
3377 * omp-low.c (expand_omp_atomic_fetch_op): Release defs of update stmt.
3379 2016-01-16 Richard Sandiford <richard.sandiford@arm.com>
3381 * hash-table.h (hash_table::empty): Turn into an inline wrapper
3382 that checks whether the table is already empty. Rename the
3383 original implementation to...
3384 (hash_table::empty_slot): ...this new private function.
3386 2016-01-15 David Malcolm <dmalcolm@redhat.com>
3389 * diagnostic-show-locus.c (layout::print_source_line): Move x
3390 offset of line until after call to
3391 get_line_width_without_trailing_whitespace.
3393 2016-01-15 Jeff Law <law@redhat.com>
3395 PR tree-optimization/69270
3396 * tree-ssanames.c (ssa_name_has_boolean_range): Moved here from
3397 tree-ssa-dom.c. Improve test for [0..1] ranve from VRP.
3398 * tree-ssa-dom.c (ssa_name_has_boolean_range): Remove.
3399 * tree-ssanames.h (ssa_name_has_boolean_range): Prototype.
3400 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
3401 ssa_name_has_boolean_range and constant_boolean_node.
3403 2016-01-15 Vladimir Makarov <vmakarov@redhat.com>
3405 PR rtl-optimization/69030
3406 * lra-spills.c (remove_pseudos): Check nrefs and make the function
3408 (spill_pseudos): Delete debug insn for dead pseudo.
3409 (lra_spill): Initiate spill_hard_reg and slots memory separately.
3411 2016-01-15 Jiong Wang <jiong.wang@arm.com>
3413 * config/aarch64/aarch64-builtins.c (aarch64_types_unopus_qualifiers):
3415 (TYPES_UNOPUS): Likewise.
3416 * config/aarch64/aarch64-simd-builtins.def (lbtruncuv2sf): Correct
3417 builtin type, from UNOP to UNOPUS.
3418 (lbtruncuv4sf): Likewise.
3419 (lbtruncuv2df): Likewise.
3420 (lrounduv2sf): Likewise.
3421 (lrounduv4sf): Likewise.
3422 (lrounduv2df): Likewise.
3423 (lroundusf): Likewise.
3424 (lroundusf): Likewise.
3425 (lceiluv2sf): Likewise.
3426 (lceiluv4sf): Likewise.
3427 (lceiluv2df): Likewise.
3428 (lceilusf): Likewise.
3429 (lceiludf): Likewise.
3430 (lflooruv2sf): Likewise.
3431 (lflooruv4sf): Likewise.
3432 (lflooruv2df): Likewise.
3433 (lfloorusf): Likewise.
3434 (lfloorudf): Likewise.
3435 (lfrintnuv2sf): Likewise.
3436 (lfrintnuv4sf): Likewise.
3437 (lfrintnuv2df): Likewise.
3438 (lfrintnusf): Likewise.
3439 (lfrintnudf): Likewise.
3440 * config/aarch64/arm_neon.h (vcvt_u32_f32): Remove unncessary type
3442 (vcvtq_u32_f32): Likewise.
3443 (vcvtq_u64_f64): Likewise.
3444 (vcvta_u32_f32): Likewise.
3445 (vcvtaq_u32_f32): Likewise.
3446 (vcvtaq_u64_f64): Likewise.
3447 (vcvtm_u32_f32): Likewise.
3448 (vcvtmq_u32_f32): Likewise.
3449 (vcvtmq_u64_f64): Likewise.
3450 (vcvtn_u32_f32): Likwise.
3451 (vcvtnq_u32_f32): Likewise.
3452 (vcvtnq_u64_f64): Likewise.
3453 (vcvtp_u32_f32): Likewise.
3454 (vcvtpq_u32_f32): Likewise.
3455 (vcvtpq_u64_f64): Likewise.
3456 (vcvtmd_u64_f64): Likewise.
3457 (vcvtms_u32_f32): Likewise.
3458 (vcvtad_u64_f64): Likewise.
3459 (vcvtas_u32_f32): Likewise.
3460 (vcvtnd_u64_f64): Likewise.
3461 (vcvtns_u32_f32): Likewise.
3462 (vcvtpd_u64_f64): Likewise.
3463 (vcvtps_u32_f32): Likewise.
3465 2016-01-15 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
3467 * config/aarch64/aarch64.c (aarch64_if_then_else_costs): Handle
3468 CSEL of zero_extended registers.
3470 2016-01-15 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
3472 * config/aarch64/aarch64.c (aarch64_rtx_costs, COMPARE case):
3473 Handle COMPARE of ZERO_EXTRACT against zero form of TST-immediate.
3475 2016-01-15 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
3477 * config/aarch64/aarch64.c (aarch64_process_one_target_attr): Return
3478 false when argument string is not found in the attributes table
3481 2016-01-15 David Edelsohn <dje.gcc@gmail.com>
3484 * config/rs6000/rs6000.c (rs6000_emit_msub): Delete.
3485 (rs6000_emit_swsqrt): Convert to Goldschmidt's Algorithm
3486 * config/rs6000/rs6000.md (sqrt<mode>2): Limit swsqrt to high
3489 2016-01-15 Richard Biener <rguenther@suse.de>
3491 PR tree-optimization/66856
3492 * tree-vect-loop.c (vect_transform_loop): Free SLP instances here.
3493 * tree-vect-slp.c (vect_free_slp_tree): Decrement stmt reference count.
3494 (vect_create_new_slp_node): Increment stmt reference count.
3495 (vect_get_and_check_slp_defs): Make sure stmts are nor already in
3496 an SLP tree before swapping operands.
3497 (vect_build_slp_tree): Likewise.
3498 (destroy_bb_vec_info): Free stmt info after SLP instances.
3499 * tree-vect-stmts.c (new_stmt_vec_info): Initialize reference count.
3500 * tree-vectorizer.h (struct _stmt_vec_info): Add num_slp_uses field.
3501 (STMT_VINFO_NUM_SLP_USES): New macro.
3503 2016-01-15 Richard Biener <rguenther@suse.de>
3506 * dwarf2out.c (add_linkage_name_raw): New function split out from ...
3507 (add_linkage_name): ... here.
3508 (gen_typedef_die): Use add_linkage_name_raw instead of
3509 add_linkage_attr to delay DECL_ASSEMBLER_NAME computation
3512 2016-01-15 Cesar Philippidis <cesar@codesourcery.com>
3514 * gimplify.c (oacc_default_clause): Decode reference and pointer
3515 types for both kernels and parallel regions.
3517 2016-01-15 Richard Sandiford <richard.sandiford@arm.com>
3520 * calls.c (emit_call_1): Force n_popped to zero for sibcalls.
3522 2016-01-15 Ilya Enkovich <enkovich.gnu@gmail.com>
3524 * config/i386/i386.c (scalar_chain::compute_convert_gain): Fix typo.
3525 (convert_scalars_to_vector): Likewise.
3527 2016-01-15 Jonathan Wakely <jwakely@redhat.com>
3529 * doc/extend.texi (Type Traits): Fix grammar.
3531 2016-01-15 Martin Jambor <mjambor@suse.cz>
3533 * tree-inline.c (remap_decl): Use existing dclarations if
3534 remapping a type and prevent_decl_creation_for_types.
3535 (replace_locals_stmt): Do an initial remapping of non-VLA typed
3536 decls first. Do real remapping with
3537 prevent_decl_creation_for_types set.
3538 * tree-inline.h (copy_body_data): New field
3539 prevent_decl_creation_for_types, moved remap_var_for_cilk to avoid
3542 2016-01-15 Dominik Vogt <vogt@linux.vnet.ibm.com>
3544 * config/s390/s390.opt (mmvcle): More verbose help text.
3546 2016-01-15 Dominik Vogt <vogt@linux.vnet.ibm.com>
3548 * config/s390/s390.opt: Add period to -mzvector option text.
3550 2016-01-15 Richard Biener <rguenther@suse.de>
3552 PR tree-optimization/68961
3553 * tree-vect-slp.c (vect_analyze_slp_cost_1): Consider cost
3554 of invariants in stores again.
3556 2016-01-15 Sebastian Huber <sebastian.huber@embedded-brains.de>
3558 * config/arm/t-rtems: Add cortex-m7/fpv5-d16 multilib.
3560 2016-01-15 Ilya Enkovich <enkovich.gnu@gmail.com>
3562 * config/i386/i386.c (ix86_expand_branch): Don't split
3563 DI mode xor instruction to SI mode.
3565 2016-01-15 Jan Hubicka <hubicka@ucw.cz>
3568 * ipa-icf.c (sem_function::merge): Virtual functions may become
3569 reachable even if they address is not taken and there are no
3572 2016-01-15 Jan Hubicka <hubicka@ucw.cz>
3574 * lto-streamer-out.c (subtract_estimated_size): New function.
3575 (get_symbol_initial_value): Use it.
3577 2016-01-15 Christian Bruel <christian.bruel@st.com>
3580 * config/arm/arm-builtins.c (ARM_BUILTIN_CRYPTO_BASE): New enum tag.
3581 (arm_init_neon_builtins_internal): Rename arm_init_neon_builtins,
3582 (arm_init_crypto_builtins_internal): Rename arm_init_crypto_builtins.
3583 use add_builtin_function_ext_scope instead of add_builtin_function.
3584 (neon_set_p, neon_crypto_set_p): Remove.
3585 (arm_init_builtins): Always call arm_init_neon_builtins and
3586 arm_init_crypto_builtins.
3587 (arm_expand_builtin): Check that builtins are allowed for the arch.
3588 * config/arm/arm-protos.h (arm_init_neon_builtins): Remove prototype.
3589 * config/arm/arm.c (arm_valid_target_attribute_tree): Remove
3590 arm_init_neon_builtins call.
3592 2016-01-15 Richard Biener <rguenther@suse.de>
3594 PR tree-optimization/69117
3595 * tree-ssa-sccvn.h (struct vn_ssa_aux): Add info member.
3596 * tree-ssa-sccvn.c (set_ssa_val_to): Save and adjust SSA name info
3597 of the leader conservatively.
3598 (free_scc_vn): Restore original SSA name infos.
3600 2016-01-14 Jeff Law <law@redhat.com>
3602 PR tree-optimization/69270
3603 * tree-ssa-dom.c (ssa_name_has_boolean_range): If the type has a
3604 single bit of precision, verify it's also unsigned.
3605 (record_edge_info): Use constant_boolean_node rather than fold_convert
3606 to convert boolean_true/boolean_false to the right type.
3608 2016-01-14 Richard Henderson <rth@redhat.com>
3611 * loop-doloop.c (record_reg_sets): New.
3612 (doloop_optimize): Reject the transform if the sequence
3613 clobbers registers live at the end of the loop block.
3614 (doloop_optimize_loops): Enable df_live if needed.
3616 2016-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
3618 * config/rs6000/rs6000-builtin.def: Revert 2016-01-13 change.
3619 * gcc/config/rs6000/rs6000.c: Likewise.
3620 * gcc/config/rs6000/rs6000.h: Likewise.
3621 * gcc/config/rs6000/rs6000.md: Likewise.
3622 * gcc/doc/extend.texi: Likewsie.
3624 2016-01-14 Jeff Law <law@redhat.com>
3626 * tree-ssa-dom.c (ssa_name_has_boolean_range): Fix comment
3629 2016-01-14 Richard Henderson <rth@redhat.com>
3633 * trans-mem.c (tm_log_emit_stmt): Fix unit size to bit size.
3634 * tree.c (build_tm_vector_builtins): Use builtin_decl_explicit_p
3635 instead of builtin_decl_declared_p to test for declaration.
3637 2016-01-14 Nicklas Bo Jensen <nbjensen@gmail.com>
3639 * doc/loop.texi (Loop Analysis and Representation): Document
3640 loop_depth function.
3642 2016-01-14 Tom de Vries <tom@codesourcery.com>
3644 PR tree-optimization/68773
3645 * omp-low.c (expand_omp_target): Don't set force_output.
3646 * varpool.c (varpool_node::get_create): Same.
3647 * lto-cgraph.c (input_offload_tables): Mark entries in offload_vars and
3648 offload_funcs with force_output.
3650 2016-01-14 Jakub Jelinek <jakub@redhat.com>
3653 * lra-eliminations.c (move_plus_up): Don't change anything if either
3654 the outer or inner subreg mode is not MODE_INT.
3655 * dwarf2out.c (mem_loc_descriptor): For SUBREG, if outer mode is
3656 integral <= DWARF2_ADDR_SIZE, convert to untyped afterwards.
3658 2016-01-14 Alan Lawrence <alan.lawrence@arm.com>
3660 * doc/md.texi (reduc_smin_@var{m}, reduc_smax_@var{m},
3661 reduc_umin_@var{m}, reduc_umax_@var{m}, reduc_splus_@var{m},
3662 reduc_uplus_@var{m}): Remove.
3663 * expr.c (expand_expr_real_2): Remove expansion path for
3664 reduc_[us](min|max|plus) optabs.
3665 * optabs-tree.c (scalar_reduc_to_vector): Remove.
3666 * optabs-tree.h (scalar_reduc_to_vector): Remove.
3667 * optabs.def (reduc_smax_optab, reduc_smin_optab, reduc_splus_optab,
3668 reduc_umax_optab, reduc_umin_optab, reduc_uplus_optab): Remove.
3669 * tree-vect-loop.c (vectorizable_reduction): Remove test for
3670 reduc_[us](min|max|plus) optabs.
3672 2016-01-14 Alan Lawrence <alan.lawrence@arm.com>
3674 * config/mips/mips-ps-3d.md (reduc_splus_v2sf): Remove.
3675 (reduc_plus_scal_v2sf): New.
3676 (reduc_smax_v2sf): Rename to...
3677 (reduc_smax_scal_v2sf): ...here, make result SFmode, add vec_extract.
3678 (reduc_smin_v2sf): Rename to...
3679 (reduc_smin_scal_v2sf): ...here, make result SFmode, add vec_extract.
3681 2016-01-14 Jan Hubicka <hubicka@ucw.cz>
3683 * alias.c (compare_base_symbol_refs): New function.
3684 (rtx_equal_for_memref_p, base_alias_check, memrefs_conflict_p): Use
3687 2016-01-14 Jakub Jelinek <jakub@redhat.com>
3690 PR tree-optimization/69155
3691 * tree-complex.c: Include cfganal.h.
3692 (phis_to_revisit): New variable.
3693 (extract_component): Add phiarg_p argument. Assert that returned
3694 SSA_NAME has non-NULL SSA_NAME_DEF_STMT unless phiarg_p is true.
3695 (update_phi_components): Partly rewrite to use loop over real/imag
3696 components instead of code duplication. If extract_component returns
3697 SSA_NAME with NULL SSA_NAME_DEF_STMT, store SSA_NAME_VAR or
3698 create_tmp_reg into the PHI node instead, and mention the phi triplet
3700 (tree_lower_complex): Walk bbs in rpo order. Adjust phis recorded
3701 in phis_to_revisit at the end.
3703 2016-01-14 Richard Biener <rguenther@suse.de>
3705 PR tree-optimization/68060
3706 * tree-vect-loop.c (vect_is_simple_reduction): Check the
3707 outer loop reduction is only used in the inner loop before
3708 detecting a double reduction.
3710 2016-01-14 Jakub Jelinek <jakub@redhat.com>
3713 * combine.c (expand_field_assignment): Punt if compute_mode is
3714 unsupported scalar mode.
3716 2016-01-14 Richard Biener <rguenther@suse.de>
3718 PR tree-optimization/66856
3719 * tree-vect-slp.c (vect_build_slp_tree): Refactor to build
3720 SLP node only if it built successfully.
3721 (vect_analyze_slp_instance): Adjust.
3723 2016-01-14 Jeff Law <law@redhat.com>
3725 PR tree-optimization/69270
3726 * tree-ssa-dom.c (ssa_name_has_boolean_range): New function.
3727 (record_edge_info): Use it. Convert boolean_{true,false}_node
3730 2016-01-13 Jan Hubicka <hubicka@ucw.cz>
3733 * ipa-polymorphic-call.c (inlined_polymorphic_ctor_dtor_block_p):
3734 use block_ultimate_origin
3735 (noncall-stmt_may_be_vtbl_ptr_store): Likewise.
3737 2016-01-13 Sandra Loosemore <sandra@codesourcery.com>
3739 * doc/invoke.texi (Submodel Options): Rename section to
3740 "Machine-Dependent Options" to better reflect its content.
3741 Rewrite introductory text to remove archaic CPU names.
3744 2016-01-13 Sandra Loosemore <sandra@codesourcery.com>
3746 * doc/invoke.texi (Code Gen Options): Move section up in file,
3747 before target-specific options. Update menu and option summary
3748 to reflect the new section ordering.
3750 2016-01-13 Jonathan Wakely <jwakely@redhat.com>
3752 * doc/invoke.texi (C Dialect Options): Adjust -std default for C++.
3753 (C++ Dialect Options): Add cross-reference to -std option.
3754 * doc/standards.texi (C++ Language): Document C++14 support.
3756 2016-01-13 Michael Meissner <meissner@linux.vnet.ibm.com>
3758 * config/rs6000/rs6000-builtin.def (BU_FLOAT128_2): Add support
3759 for pack/unpack functions for __ibm128.
3760 (PACK_IF): Likewise.
3761 (UNPACK_IF): Likewise.
3763 * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Add
3764 support for __ibm128 pack/unpack functions.
3765 (rs6000_invalid_builtin): Likewise.
3766 (rs6000_init_builtins): Likewise.
3767 (rs6000_opt_masks): Likewise.
3769 * config/rs6000/rs6000.h (MASK_FLOAT128): Add short name.
3770 (RS6000_BTM_FLOAT128): Add support for __ibm128 pack/unpack
3772 (RS6000_BTM_COMMON): Likewise.
3774 * config/rs6000/rs6000.md (f128_vsx): New mode attribute.
3775 (unpack<mode>): Use FMOVE128_FPR iterator instead of FMOVE128, to
3776 disallow __builtin_{pack,unpack}_longdouble if long double is IEEE
3777 128-bit floating point. Add support for the double values to be
3778 in Altivec registers for TF/IF packing and unpacking, but restrict
3779 TD packing sub-fields to be FPR registers. Don't allow overlapped
3780 register support for packing. Allow pack inputs to be memory
3781 locations. Don't build generator functions for unpack<mode>_dm
3782 and unpack<mode>_nodm.
3783 (unpack<mode>_dm): Likewise.
3784 (unpack<mode>_nodm): Likewise.
3785 (pack<mode>): Likewise.
3787 * config/rs6000/rs6000-builtin.def (__builtin_pack_ibm128): Add
3788 built-in functions to pack/unpack explicit __ibm128 values.
3789 (__builtin_unpack_ibm128): Likewise.
3791 * doc/extend.texi (PowerPC Built-in Functions): Document
3792 __builtin_pack_ibm128 and __builtin_unpack_ibm128.
3794 2016-01-13 Bernd Schmidt <bschmidt@redhat.com>
3797 * c-common.c (check_function_nonnull): Remove unnecessary declaration.
3798 Add new arg loc and pass it down as context.
3799 (check_nonnull_arg): Don't mark ctx arg as unused. Use it as a pointer
3800 to the location to use for the warning.
3801 (check_function_arguments): New arg loc. All callers changed. Pass
3802 it to check_function_nonnull.
3803 * c-common.h (check_function_arguments): Adjust declaration.
3805 2016-01-13 Jakub Jelinek <jakub@redhat.com>
3807 PR tree-optimization/69156
3808 * gimple.c (validate_type): Removed.
3809 (gimple_builtin_call_types_compatible_p): Use
3810 useless_type_conversion_p instead of validate_type.
3811 * value-prof.c (gimple_stringop_fixed_value): Fold
3812 icall_size to correct type.
3814 2016-01-13 Jonathan Wakely <jwakely@redhat.com>
3816 * doc/extend.texi (__atomic Builtins): Clarify compare_exchange
3819 2016-01-13 Richard Henderson <rth@redhat.com>
3822 * target.def (builtin_tm_load, builtin_tm_store): Remove.
3823 * config/i386/i386.c (ix86_builtin_tm_load): Remove.
3824 (ix86_builtin_tm_store): Remove.
3825 (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
3826 (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
3827 * doc/tm.texi.in (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
3828 (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
3829 * doc/tm.texi: Rebuild.
3831 * gtm-builtins.def (BUILT_IN_TM_MEMCPY_RNWT): New.
3832 (BUILT_IN_TM_MEMCPY_RTWN): New.
3833 * trans-mem.c (tm_log_emit_stmt): Rearrange code for better
3834 fallback from vector to integer helpers.
3835 (build_tm_load): Handle vector types directly, instead of
3837 (build_tm_store): Likewise.
3838 (expand_assign_tm): Prepare for register types not handled by
3839 the above. Copy them to memory and use memcpy.
3840 * tree.c (tm_define_builtin): New.
3841 (find_tm_vector_type): New.
3842 (build_tm_vector_builtins): New.
3843 (build_common_builtin_nodes): Call it.
3845 2016-01-13 Uros Bizjak <ubizjak@gmail.com>
3847 * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Return -1 for
3848 TARGET_SSE_MATH without TARGET_SSE2. Rewrite.
3850 2016-01-13 Tom de Vries <tom@codesourcery.com>
3852 PR tree-optimization/69169
3853 * tree-ssa-structalias.c (create_variable_info_for_1): Add and handle
3854 handled_struct_type param.
3855 (create_variable_info_for, intra_create_variable_infos): Call
3856 create_variable_info_for_1 with extra arg.
3858 2016-01-13 Yvan Roux <yvan.roux@linaro.org>
3860 * config/arm/arm-arches.def: Remove spurious whitespace in "armv8.1-a"
3861 and "armv8.1-a+crc" entries.
3863 2016-01-13 Alexander Fomin <alexander.fomin@intel.com>
3866 * config/i386/sse.md (define_expand "avx512pf_gatherpf<mode>sf"):
3867 Change first operand predicate from register_or_constm1_operand
3868 to register_operand.
3869 (define_expand "avx512pf_gatherpf<mode>df"): Likewise.
3870 (define_expand "avx512pf_scatterpf<mode>sf"): Likewise.
3871 (define_expand "avx512pf_scatterpf<mode>df"): Likewise.
3872 (define_insn "*avx512pf_gatherpf<mode>sf"): Remove.
3873 (define_insn "*avx512pf_gatherpf<mode>df"): Likewise.
3874 (define_insn "*avx512pf_scatterpf<mode>sf"): Likewise.
3875 (define_insn "*avx512pf_scatterpf<mode>df"): Likewise.
3876 * config/i386/i386.c (ix86_expand_builtin): Remove first operand
3877 comparison with constm1_rtx from vec_prefetch_gen part.
3879 2016-01-13 Richard Biener <rguenther@suse.de>
3881 PR tree-optimization/69013
3882 * tree-ssa-uninit.c (prune_uninit_phi_opnds_in_unrealizable_paths):
3883 Exchange assert for a test.
3885 2016-01-13 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
3888 * config/s390/s390.md (bswaphi splitter): Use simplify_gen_subreg.
3890 2016-01-13 Richard Biener <rguenther@suse.de>
3892 PR tree-optimization/69242
3893 * tree-ssa-sccvn.c (visit_reference_op_load): Replace bogus
3894 assert with a check.
3896 2016-01-13 Richard Biener <rguenther@suse.de>
3898 PR tree-optimization/69186
3899 * tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
3900 Properly guard vect_update_misalignment_for_peel call.
3902 2016-01-12 Jeff Law <law@redhat.com>
3904 PR tree-optimization/pr67755
3905 * tree-ssa-threadupdate.c (struct ssa_local_info_t): Add new field
3906 "need_profile_correction".
3907 (thread_block_1): Initialize new field to false by default. If we
3908 have multiple thread paths through a common joiner to different
3909 final targets, then set new field to true.
3910 (compute_path_counts): Only do count adjustment when it's really
3913 2016-01-12 Sandra Loosemore <sandra@codesourcery.com>
3915 * doc/invoke.texi (Spec Files): Move section down in file, past
3916 all command-line option descriptions.
3918 2016-01-12 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
3921 * doc/gty.texi: Remove documentation of mark_hook.
3922 * gengtype.c (struct write_types_data): Remove code to support
3923 mark_hook attribute.
3924 (walk_type): Likewise.
3925 (write_func_for_structure): Likewise.
3927 2016-01-12 Sandra Loosemore <sandra@codesourcery.com>
3929 * doc/invoke.texi (Option Summary) Move -no-canonical-prefixes to
3930 Directory Options, and -specs= to Overall Options.
3931 (Overall Options): Adjust similarly. Reorder to group related
3932 options together. Make -specs= cross-reference the spec file details.
3933 (Directory Options): Adjust similarly.
3935 2016-01-12 Jeff Law <law@redhat.com>
3937 * tree-ssa-threadupdate.c: Various whitespace and typo fixes.
3939 2016-01-12 Olivier Hainque <hainque@adacore.com>
3941 * gcc.c (spec_undefvar_allowed): New global.
3942 (process_command): Set to true when running for --version or --help,
3944 (getenv_spec_function): When the variable is not defined, use the
3945 variable name as the variable value if we're allowed not to issue
3948 2016-01-12 Bin Cheng <bin.cheng@arm.com>
3950 PR tree-optimization/68911
3951 * tree-vrp.c (adjust_range_with_scev): Check overflow in range
3952 information computed for expression "init + nit * step".
3954 2016-01-12 Sandra Loosemore <sandra@codesourcery.com>
3956 * doc/invoke.texi (Invoking GCC): Copy-edit. Incorporate information
3957 about name of GCC executable. Remove deleted node from menu.
3958 (Directory Options) <-B>: Remove cross-reference to deleted node.
3959 (Target Options): Delete section.
3961 2016-01-12 Christian Bruel <christian.bruel@st.com>
3964 * config/arm/arm-c.c (arm_pragma_target_parse): Set NODE_CONDITIONAL
3965 for __ARM_NEON_FP, __ARM_FP, _ARM_FEATURE_LDREX.
3967 2016-01-12 Jakub Jelinek <jakub@redhat.com>
3970 * config/i386/i386.c (ix86_expand_special_args_builtin): Ensure
3971 aligned_mem is properly set for AVX512-VL floating point masked
3975 * ifcvt.c (cond_exec_process_if_block): When removing the last
3976 insn from then_bb, remove also any possible barriers that follow it.
3978 2016-01-12 H.J. Lu <hongjiu.lu@intel.com>
3982 * config/i386/iamcu.h (SIZE_TYPE): New macro.
3983 (PTRDIFF_TYPE): Likewise.
3984 (WCHAR_TYPE): Likewise.
3985 (WCHAR_TYPE_SIZE): Likewise.
3986 (STDINT_LONG32): Likewise.
3988 2016-01-12 Richard Biener <rguenther@suse.de>
3990 PR tree-optimization/69053
3991 * tree-vect-loop.c (get_initial_def_for_reduction): Properly
3992 convert initial value for cond reductions.
3994 2016-01-12 Richard Biener <rguenther@suse.de>
3996 PR tree-optimization/69007
3997 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Move
3998 widen_sum after dot_prod and sad.
4000 2016-01-12 Richard Biener <rguenther@suse.de>
4002 PR tree-optimization/69168
4003 * tree-vect-loop.c (vect_analyze_loop_2): Reset both main and
4004 pattern stmt SLP type.
4005 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Patterns may
4006 end up unused so cope with that case.
4008 2016-01-12 Richard Biener <rguenther@suse.de>
4010 PR tree-optimization/69157
4011 * tree-vect-stmts.c (vectorizable_mask_load_store): Check
4012 stmts def type only during analyze phase.
4013 (vectorizable_call): Likewise.
4014 (vectorizable_simd_clone_call): Likewise.
4015 (vectorizable_conversion): Likewise.
4016 (vectorizable_assignment): Likewise.
4017 (vectorizable_shift): Likewise.
4018 (vectorizable_operation): Likewise.
4019 (vectorizable_store): Likewise.
4020 (vectorizable_load): Likewise.
4022 2016-01-12 Richard Biener <rguenther@suse.de>
4024 PR tree-optimization/69174
4025 * tree-vect-stmts.c (vect_mark_relevant): Remove excessive vertical
4027 (vectorizable_load): Properly compute the number of loads needed
4028 for permuted strided SLP loads and do not spuriously assign
4029 to SLP_TREE_VEC_STMTS.
4031 2016-01-12 Andris Pavenis <andris.pavenis@iki.fi>
4033 * config/i386/djgpp.h (PREFERRED_DEBUGGING_TYPE): Define to DWARF2
4034 (TARGET_ASM_OUTPUT_IDENT): Define to default_asm_output_ident_directive
4035 (MD_EXEC_PREFIX): Remove.
4036 (MD_STARTFILE_PREFIX) Removee.
4037 (FILE_NAME_ABSOLUTE_P): Remove.
4038 (CPP_SPEC): Do not read macros from sys/version.h.
4039 (LINK_COMMAND_SPEC): Remove.
4040 (LOCAL_INCLUDE_DIR): Remove.
4041 (TARGET_ASM_NAMED_SECTION): Define to i386_djgpp_asm_named_section
4042 (TARGET_OS_CPP_BUILTINS): Add DJGPP (non ISO only), __DJGPP, __DJGPP__, unix.
4043 (POST_LINK_SPEC): Define to invoke stubify after linker
4044 (LIBSTDCXX): Remove define
4045 (DBX_REGISTER_NUMBER): Define to svr4_dbx_register_map.
4046 (DEFAULT_PCC_STRUCT_RETURN): Define to 1.
4047 (SUBTARGET_OVERRIDE_OPTIONS): Remove warning about -mbnu2210.
4048 (SUBTARGET_OVERRIDE_OPTIONS): Ignore -fPIC and generate message.
4049 (SUBTARGET_OVERRIDE_OPTIONS): Default to DWARF2 debugging info.
4050 (IX86_MAYBE_NO_LIBGCC_TFMODE): Remove.
4051 (i386_djgpp_asm_named_section): Add propotype of new procedure
4053 * config/i386/xm-djgpp.h (NATIVE_SYSTEM_HEADER_DIR): Define.
4054 (MD_EXEC_PREFIX): Define (moved from config/i386/djgpp.h).
4055 (STANDARD_STARTFILE_PREFIX_1): Define (moved from MD_STARTFILE_PREFIX
4056 in config/i386/djgpp.h).
4057 (STANDARD_STARTFILE_PREFIX_2): Define identical to
4058 STANDARD_STARTFILE_PREFIX_1.
4059 (LOCAL_INCLUDE_DIR): Define (moved from config/i386/djgpp.h).
4060 (GCC_DRIVER_HOST_INITIALIZATION): Fix reporting fatal
4061 installation errors.
4062 (MAX_OFILE_ALIGNMENT): Define to 128.
4063 (HAVE_FTW_H): Undefine as DJGPP do not have nftw, but have ftw.h.
4065 * config/i386/djgpp.c: New file. Add implementation of
4066 i386_djgpp_asm_named_section.
4068 * config/i386/djgpp.opt: Remove obsolete option -mbnu210.
4070 * config/i386/t-djgpp: New file. Add djgpp.o to EXTRA_OBJS.
4071 Add rule for building djgpp.o.
4073 2016-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
4075 * config/rs6000/rs6000.c (v2df_reduction_p): New function.
4076 (rtx_is_swappable_p): Reductions are swappable.
4077 (insn_is_swappable_p): V2DF reductions are swappable.
4079 2016-01-11 John David Anglin <danglin@gcc.gnu.org>
4081 * config/pa/pa.c (pa_emit_move_sequence): Handle floating point
4082 reloads for other unsupported memory operands.
4084 2016-01-12 Kugan Vivekanandarajah <kuganv@linaro.org>
4085 Jim Wilson <jim.wilson@linaro.org>
4088 * config/arm/arm-builtins.c (arm_expand_neon_args): Call
4089 copy_to_mode_reg instead of force_reg.
4091 2016-01-11 H.J. Lu <hongjiu.lu@intel.com>
4094 * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Set to 2 only if
4095 TARGET_80387 is true.
4097 2016-01-11 Jakub Jelinek <jakub@redhat.com>
4100 * lra-eliminations.c (move_plus_up): Only move plus up
4101 if subreg of the constant can be simplified into constant
4102 and use the simplified subreg of the constant instead of
4103 the original constant.
4105 * fold-const.c (fold_convertible_p): Don't return true
4106 for conversion of VECTOR_TYPE to same sized integral type.
4107 (fold_convert_loc): Fix up formatting. Fold conversion of
4108 VECTOR_TYPE to same sized integral type using VIEW_CONVERT_EXPR
4109 instead of NOP_EXPR.
4111 PR tree-optimization/69214
4112 * tree-vrp.c (simplify_cond_using_ranges): Don't propagate
4113 innerop into a comparison if SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
4116 PR tree-optimization/69207
4117 * tree-vect-slp.c (vect_get_constant_vectors): For
4118 VECTOR_BOOLEAN_TYPE_P, assert op has integral type instead of
4119 fold_convertible_p to vector_type's element type, and always
4120 use VCE for non-VECTOR_BOOLEAN_TYPE_P.
4122 2016-01-11 Richard Biener <rguenther@suse.de>
4124 PR tree-optimization/69173
4125 * tree-vect-loop.c (vect_fixup_scalar_cycles_with_patterns): Only
4126 fixup the cycle if all stmts are in a pattern.
4128 2016-01-11 Uros Bizjak <ubizjak@gmail.com>
4131 * alias.c (base_alias_check): Move check for addresses with
4132 alignment ANDs before the call for compare_base_decls.
4133 (memrefs_conflict_p): Return -1 for different decls
4134 that went through alignment adjustments.
4136 2016-01-11 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
4138 PR rtl-optimization/68796
4139 * config/aarch64/aarch64.md (*and<mode>_compare0): New pattern.
4140 * config/aarch64/aarch64.c (aarch64_select_cc_mode): Handle HImode
4141 and QImode comparisons against zero with CC_NZmode.
4142 * config/aarch64/iterators.md (short_mask): New mode_attr.
4144 2016-01-11 H.J. Lu <hongjiu.lu@intel.com>
4146 * config/i386/sse.md (<avx512>_load<mode>_mask): Remove snprintf.
4147 (<avx512>_store<mode>_mask): Likewise.
4149 2016-01-11 Bernd Schmidt <bschmidt@redhat.com>
4150 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
4152 PR rtl-optimization/68841
4153 * ifcvt.c (struct noce_if_info): Add orig_x field.
4154 (bbs_ok_for_cmove_arith): Add to_rename parameter.
4155 Don't record conflicts on to_rename if it's present.
4156 Allow memory destinations in sets.
4157 (noce_try_cmove_arith): Call bbs_ok_for_cmove_arith even on simple
4158 blocks, passing orig_x to the checks.
4159 (noce_process_if_block): Set if_info->orig_x appropriately.
4161 2016-01-11 Tom de Vries <tom@codesourcery.com>
4163 PR tree-optimization/69069
4164 * tree-parloops.c (create_parallel_loop): Add missing phi args.
4166 2016-01-11 Yuri Rumyantsev <ysrumyan@gmail.com>
4168 PR rtl-optimization/68920
4169 * config/i386/i386.c (ix86_option_override_internal): Restrict number
4170 of conditional moves for RTL if-conversion to 1 for
4171 TARGET_ONE_IF_CONV_INSN.
4172 * config/i386/i386.h (TARGET_ONE_IF_CONV_INSN): New macros.
4173 * config/i386/x86-tune.def (X86_TUNE_ONE_IF_CONV_INSN): New macros.
4174 * params.def (PARAM_MAX_RTL_IF_CONVERSION_INSNS) : Introduce new
4175 parameter to restirct number of conditional moves for
4177 * doc/invoke.texi (max-rtl-if-conversion-insns): Document it.
4178 * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Limit number of
4181 2016-01-11 Alexandre Oliva <aoliva@redhat.com>
4184 * var-tracking.c (drop_overlapping_mem_locs): Operate on all
4185 onepart vars. Fix typo in comment. Fix reversed condition in
4187 (dataflow_set_remove_mem_locs): Operate on all onepart vars.
4190 * var-tracking.c (dump_onepart_variable_differences): New.
4191 (dataflow_set_different): If a detailed dump is requested,
4192 delay early returns and dump differences between onepart
4193 variables present before and after, and added variables.
4195 2016-01-11 Ilya Enkovich <enkovich.gnu@gmail.com>
4198 * expr.c (expand_expr_real_1): For boolean vector constants
4199 with a scalar mode use const_scalar_mask_from_tree.
4200 (const_scalar_mask_from_tree): New.
4201 * optabs.c (expand_vec_cond_mask_expr): Use mask mode
4202 assigned to a mask type to handle constants.
4204 2016-01-11 Martin Jambor <mjambor@suse.cz>
4207 * ipa-cp.c (estimate_local_effects): Do not clone for removal of
4208 useless parameters if we cannot change function signature.
4210 2016-01-11 Martin Jambor <mjambor@suse.cz>
4213 * cgraphclones.c (duplicate_thunk_for_node): Copy can_change_signature
4216 2016-01-11 Tom de Vries <tom@codesourcery.com>
4218 PR tree-optimization/69109
4219 * tree-parloops.c (try_transform_to_exit_first_loop_alt): Don't allow
4222 2016-01-11 Tom de Vries <tom@codesourcery.com>
4224 PR tree-optimization/69108
4225 * tree-parloops.c (gather_scalar_reductions): Handle case that outer phi
4226 res is not used in a phi.
4228 2016-01-11 Yury Gribov <y.gribov@samsung.com>
4231 * common.opt (frandom-seed): Fix parameter name.
4232 * doc/invoke.texi (frandom-seed): Ditto and describe parameter.
4234 2016-01-11 Tom de Vries <tom@codesourcery.com>
4236 PR tree-optimization/69058
4237 * tree-parloops.c (pass_parallelize_loops::execute): Return 0 if libgomp
4240 2016-01-11 Andrew Burgess <andrew.burgess@embecosm.com>
4242 * config/arc/arc.opt (mdiv-rem): Add period to the end.
4243 (mcode-density): Likewise.
4245 2016-01-10 Tom de Vries <tom@codesourcery.com>
4247 PR tree-optimization/69062
4248 * tree-parloops.c (loop_has_phi_with_address_arg): New function.
4249 (parallelize_loops): Don't paralelize loop that has phi with address
4252 2016-01-10 Tom de Vries <tom@codesourcery.com>
4254 PR tree-optimization/69039
4255 * tree-parloops.c (try_create_reduction_list): Only allow single exit
4258 2016-01-09 John David Anglin <danglin@gcc.gnu.org>
4261 * match.pd: Require target has function_c99_misc before doing
4262 truncl(extend(x)) and trunc(extend(x)) -> extend(truncf(x)), etc.
4264 2016-01-09 Gerald Pfeifer <gerald@pfeifer.com>
4266 * configure.ac (isl_options_set_schedule_serialize_sccs): Also
4268 * configure: Regenerate.
4270 2016-01-09 Jakub Jelinek <jakub@redhat.com>
4273 PR tree-optimization/69097
4274 * fold-const.h (expr_not_equal_to): New prototype.
4275 * fold-const.c: Include stringpool.h and tree-ssanames.h.
4276 (expr_not_equal_to): New function.
4277 * match.pd (X % -Y is the same as X % Y): Don't optimize
4278 unless X is known not to be equal to minimum or Y is known
4279 not to be equal to -1.
4280 * tree-vrp.c (simplify_div_or_mod_using_ranges): Add GSI argument.
4281 fold TRUNC_MOD_EXPR if the second argument is not a power of two.
4282 (simplify_stmt_using_ranges): Adjust caller.
4283 (vrp_finalize): Call set_value_range on SSA_NAMEs before calling
4284 substitute_and_fold.
4286 2016-01-09 Jan Hubicka <hubicka@ucw.cz>
4288 * ipa-icf.c (sem_item_optimizer::merge_classes): Do not ICE on VAR_DECL
4291 2016-01-08 Jakub Jelinek <jakub@redhat.com>
4293 PR tree-optimization/69167
4294 * gimple-fold.c (replace_stmt_with_simplification): Also punt if
4295 new SSA_NAME_OCCURS_IN_ABNORMAL_PHI SSA_NAMEs appear in operands of
4297 * gimple-match-head.c (maybe_push_res_to_seq): Likewise.
4299 2016-01-08 Alan Lawrence <alan.lawrence@arm.com>
4300 Richard Biener <rguenther@suse.de>
4302 PR tree-optimization/68707
4303 * tree-vect-slp.c (vect_analyze_slp_instance): Cancel permuted SLP
4304 instances that can be handled via vect_load_lanes.
4306 2016-01-08 Uros Bizjak <ubizjak@gmail.com>
4308 * symtab.c (symtab_node::equal_address_to): Return -1 instead of 2
4309 if we can't determine address equivalence.
4310 * alias.c (compare_base_decl): Update for changed return value of
4311 symtab_node::equal_address_to.
4313 2016-01-08 Jason Merrill <jason@redhat.com>
4317 * function.c (assign_temp): Guard against TREE_ADDRESSABLE types here.
4318 * expr.c (store_field): Not here.
4319 * tree-cfgcleanup.c (fixup_noreturn_call): Don't clear LHS of a
4320 call with TREE_ADDRESSABLE type.
4321 * tree-cfg.c (verify_gimple_call): Adjust.
4323 2016-01-08 Olivier Hainque <hainque@adacore.com>
4325 * config/vxworks.h (VXWORKS_LIBGCC_SPEC): Don't link shared RTPs with
4328 2016-01-08 Alan Lawrence <alan.lawrence@arm.com>
4330 * gcc.target/rs6000/paired.md (reduc_smax_v2sf): Rename to...
4331 (reduc_smax_scal_v2sf): ...here, make result SFmode, extract element.
4332 (reduc_smin_v2sf): Rename to...
4333 (reduc_smin_scal_v2sf): ...here, make result SFmode, extract element.
4334 (reduc_splus_v2sf): Rename to...
4335 (reduc_plus_scal_v2sf): ...here, make result SFmode, extract element.
4337 2016-01-08 Jakub Jelinek <jakub@redhat.com>
4339 PR tree-optimization/69162
4340 * gimplify.c (gimplify_va_arg_expr): Encode original type of
4341 valist argument in another argument.
4342 (gimplify_modify_expr): Adjust for the above change. Cleanup.
4343 * tree-stdarg.c (expand_ifn_va_arg_1): Use new 3rd argument
4344 to determine the va_list type, build a MEM_REF instead of
4345 build_fold_indirect_ref.
4347 PR tree-optimization/69172
4348 * gimple-fold.c (gimple_fold_builtin_memory_chk): Pass type to
4351 2016-01-08 Thomas Preud'homme <thomas.preudhomme@arm.com>
4353 PR tree-optimization/67781
4354 * tree-ssa-math-opts.c (find_bswap_or_nop): Zero out bytes in cmpxchg
4355 and cmpnop in two steps: first the ones not accessed in original
4356 gimple expression in a endian independent way and then the ones not
4357 accessed in the final result in an endian-specific way.
4359 2016-01-08 Jakub Jelinek <jakub@redhat.com>
4361 PR tree-optimization/69083
4362 * tree-vect-slp.c (vect_get_constant_vectors): For
4363 VECTOR_BOOLEAN_TYPE_P assert op is fold_convertible_p to vector_type's
4364 element type. If op is fold_convertible_p to vector_type's element
4365 type, use NOP_EXPR instead of VCE.
4367 2016-01-08 Segher Boessenkool <segher@kernel.crashing.org>
4369 PR rtl-optimization/67778
4370 PR rtl-optimization/68634
4371 PR rtl-optimization/68909
4372 * shrink-wrap.c (try_shrink_wrapping): Add comment. Don't pop
4373 block from the stack until done with it. Remove a superfluous
4374 bitmap set. Remove a superfluous bitmap test.
4376 2016-01-07 Martin Sebor <msebor@redhat.com>
4379 * doc/extend.texi (__atomic Builtins, __sync Builtins): Document
4380 constraint on the type of arguments.
4382 2016-01-07 Andreas Tobler <andreast@gcc.gnu.org>
4384 * config/arm/freebsd.h: Rename SUBTARGET_OVERRIDE_OPTIONS to
4385 SUBTARGET_OVERRIDE_INTERNAL_OPTIONS. Adjust to check
4386 unaligned_access on the gcc_options set.
4387 * config/arm/arm.c (arm_option_override_internal): Use
4388 SUBTARGET_OVERRIDE_INTERNAL_OPTIONS.
4390 2016-01-07 Uros Bizjak <ubizjak@gmail.com>
4393 * config/i386/i386.c (ix86_frame_pointer_required): Enable
4394 frame pointer for TARGET_64BIT_MS_ABI when stack is misaligned.
4396 2016-01-07 Uros Bizjak <ubizjak@gmail.com>
4399 2016-01-06 Uros Bizjak <ubizjak@gmail.com>
4402 * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
4403 depending on frame_pointer_needed before remaining integer and SSE
4404 registers are saved.
4406 2016-01-07 Sandra Loosemore <sandra@codesourcery.com>
4409 * doc/extend.texi (Nvidia PDX Function Attributes): New section.
4411 2016-01-07 H.J. Lu <hongjiu.lu@intel.com>
4414 * config/i386/sse.md (<sse>_sqrt<mode>2<mask_name><round_name>):
4415 Use the "xBm" constraint.
4416 (float<sseintvecmodelower><mode>2<mask_name><round_name):
4418 (sse_cvtsi2ss<round_name>): Use round_nimm_scalar_predicate.
4419 (sse_cvtsi2ssq<round_name>): Likewise.
4420 (sse_cvtss2si<round_name>): Likewise.
4421 (sse_cvtss2siq<round_name>): Likewise.
4422 (sse2_cvtsi2sdq<round_name>): Likewise.
4423 (sse2_cvtsd2si<round_name>): Likewise.
4424 (sse2_cvtsd2siq<round_name>): Likewise.
4425 * config/i386/subst.md (round_nimm_scalar_predicate): New
4428 2015-12-15 Bernd Schmidt <bschmidt@redhat.com>
4431 * varasm.c (make_decl_rtl): Mark invalid register vars as
4434 PR rtl-optimization/66206
4435 * bt-load.c (find_btr_use): Change first arg to be a pointer to an rtx.
4436 All callers changed.
4438 2016-01-07 Jakub Jelinek <jakub@redhat.com>
4440 PR tree-optimization/69141
4441 * tree-ssa-pre.c: Include langhooks.h.
4442 (eliminate_dom_walker::before_dom_children): Use
4443 lang_hooks.decl_printable_name instead of
4444 cgraph_node::get ()->name ().
4447 * gimple-expr.c (copy_var_decl): If var has DECL_USER_ALIGN set, copy
4448 it and DECL_ALIGN too.
4450 2016-01-06 Robert Suchanek <robert.suchanek@imgtec.com>
4452 * config/mips/mips-ftypes.def: Sort to lexicographical order.
4454 2016-01-06 Uros Bizjak <ubizjak@gmail.com>
4457 * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
4458 depending on frame_pointer_needed before remaining integer and SSE
4459 registers are saved.
4461 2015-01-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
4463 * config/rs6000/vsx.md (*p9_vecload_<mode>): Replace VSX_M
4464 mode iterator with VSX_M2.
4465 (*p9_vecstore_<mode>): Likewise.
4466 (*vsx_le_permute_<mode>): Restrict to !TARGET_P9_VECTOR.
4467 (*vsx_le_perm_load_<mode> for VSX_LE_128): Likewise.
4468 (*vsx_le_perm_store_<mode> for VSX_LE_128): Likewise.
4469 (define_split for VSX_LE128 stores): Likewise.
4470 (define_peephole2 for TImode LE swaps): Likewise.
4471 (define_split for VSX_LE128 post-reload stores): Likewise.
4473 2016-01-06 Marek Polacek <polacek@redhat.com>
4476 * convert.c (convert_to_integer_1): Adjust call to
4477 ubsan_instrument_float_cast. Use NULL_TREE instead of NULL.
4478 * ubsan.c (ubsan_instrument_float_cast): Drop the ARG parameter. Use
4479 EXPR instead of ARG.
4480 * ubsan.h (ubsan_instrument_float_cast): Adjust declaration.
4482 2016-01-05 Sandra Loosemore <sandra@codesourcery.com>
4485 * doc/extend.texi (RL78 Variable Attributes): New section.
4487 2016-01-05 Marek Polacek <polacek@redhat.com>
4490 * builtins.c (get_memmodel): Use expansion point location rather than
4491 the input location. Call warning_at rather than warning.
4492 (expand_builtin_atomic_compare_exchange): Likewise.
4493 (expand_builtin_atomic_load): Likewise.
4494 (expand_builtin_atomic_store): Likewise.
4495 (expand_builtin_atomic_clear): Likewise.
4497 2016-01-05 H.J. Lu <hongjiu.lu@intel.com>
4500 * config/i386/i386.c (ix86_expand_vector_logical_operator):
4501 Replace nonimmediate_operand with vector_operand.
4502 * config/i386/predicates.md (vector_operand): New predicate.
4503 (general_vector_operand): Replace nonimmediate_operand with
4505 * config/i386/sse.md: Replace nonimmediate_operand with
4506 vector_operand and m constraint with Bm constraint on SSE
4507 patterns with 16-byte memory operand.
4508 * config/i386/subst.md (round_nimm_predicate): Replace
4509 nonimmediate_operand with vector_operand.
4510 (round_saeonly_nimm_predicate): Likewise.
4511 (round_saeonly_nimm_scalar_predicate): New.
4513 2016-01-05 H.J. Lu <hongjiu.lu@intel.com>
4516 * config/i386/constraints.md (Bm): New constraint.
4517 * config/i386/predicates.md (vector_memory_operand): New
4519 * config/i386/sse.md: Replace xm with xBm in plusminus and
4522 2016-01-05 Sandra Loosemore <sandra@codesourcery.com>
4525 * doc/extend.texi (V850 Function Attributes): New section.
4526 (V850 Variable Attributes): New section.
4528 2016-01-05 Sandra Loosemore <sandra@codesourcery.com>
4531 * doc/extend.texi (MicroBlaze Function Attributes): Document
4532 interrupt_handler and fast_interrupt attributes.
4534 2016-01-05 Sergei Trofimovich <siarheit@google.com>
4537 * config/ia64/ia64.c (ia64_expand_load_address): Use gprel64
4538 for local symbolic operands.
4539 * config/ia64/predicates.md (local_symbolic_operand64): New
4542 2016-01-05 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
4544 PR rtl-optimization/68651
4545 * combine.c (combine_simplify_rtx): Canonicalize x + x into
4548 2016-01-05 Nathan Sidwell <nathan@acm.org>
4550 * alias.c (compare_base_decls): Use symtab_node::get.
4552 2016-01-05 Nick Clifton <nickc@redhat.com>
4555 * ira-costs.c (copy_cost): Initialise the t_icode field of the
4556 secondary_reload_info structure.
4559 * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Define to use weak
4560 decls if weak support is available.
4562 2016-01-04 Martin Sebor <msebor@redhat.com>
4564 * doc/invoke.texi (Warning Options): Document -Winvalid-memory-model.
4566 2016-01-04 Michael Meissner <meissner@linux.vnet.ibm.com>
4568 * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Add
4569 OPTION_MASK_P9_DFORM.
4571 * config/rs6000/constraints.md (wo constraint): New constraint for
4574 * config/rs6000/rs6000.c (rs6000_debug_reg_global): Add support
4576 (rs6000_init_hard_regno_mode_ok): Likewise.
4578 * config/rs6000/rs6000.h (r6000_reg_class_enum): Add support for
4581 * config/rs6000/altivec.md (altivec_vperm_<mode>): Clean up vperm
4582 expanders not to have constraints. Add support for ISA 3.0 xxperm
4583 instruction. Add support for fusing xxlor with xxperm.
4584 (altivec_vperm_<mode>_internal): Likewise.
4585 (altivec_vperm_v8hiv16qi): Likewise.
4586 (altivec_vperm_<mode>v16q): Likewise.
4587 (altivec_vperm_<mode>_uns): Likewise.
4588 (vperm_v8hiv4si): Likewise.
4589 (vperm_v16qiv8hi): Likewise.
4591 * doc/md.texi (RS/6000 constraints): Document wo constraint.
4593 2016-01-04 Jakub Jelinek <jakub@redhat.com>
4595 Update copyright years.
4597 * gcc.c (process_command): Update copyright notice dates.
4598 * gcov-dump.c (print_version): Ditto.
4599 * gcov.c (print_version): Ditto.
4600 * gcov-tool.c (print_version): Ditto.
4601 * gengtype.c (create_file): Ditto.
4602 * doc/cpp.texi: Bump @copying's copyright year.
4603 * doc/cppinternals.texi: Ditto.
4604 * doc/gcc.texi: Ditto.
4605 * doc/gccint.texi: Ditto.
4606 * doc/gcov.texi: Ditto.
4607 * doc/install.texi: Ditto.
4608 * doc/invoke.texi: Ditto.
4610 2016-01-04 Eric Botcazou <ebotcazou@adacore.com>
4612 * config/arm/arm.c (aapcs_vfp_allocate_return_reg): Treat all integer
4613 modes larger than TImode as TImode if NEON is not enabled.
4615 2016-01-04 Eric Botcazou <ebotcazou@adacore.com>
4618 * config/sparc/sparc.h (FUNCTION_ARG_REGNO_P): Return true in 64-bit
4619 mode for %f0-%f31 only if TARGET_FPU.
4621 2016-01-04 Eric Botcazou <ebotcazou@adacore.com>
4624 * config/sparc/sparc.c (scan_record_type): Take into account subfields
4625 to compute the PACKED_P predicate.
4626 (function_arg_record_value): Minor tweaks.
4628 2016-01-04 Thomas Preud'homme <thomas.preudhomme@arm.com>
4630 * doc/install.texi (--with-multilib-list): Describe the meaning of the
4631 option for arm*-*-* targets.
4633 2016-01-03 Sandra Loosemore <sandra@codesourcery.com>
4635 * doc/extend.texi (Common Function Attributes): Move docs for
4636 MSP430-specific attributes to....
4637 (MSP430 Function Attributes): ...here. Delete the redundant
4638 entries and copy-edit the remaining text.
4639 (MSP430 Variable Attributes): Use uniform format for index
4640 entries and add a cross-reference to the corresponding function
4643 2016-01-03 Vladimír Čunát <vcunat@gmail.com>
4645 * doc/invoke.texi (RS/6000 and PowerPC Options): Fix
4647 (x86 Options): Likewise.
4649 2016-01-01 Sandra Loosemore <sandra@codesourcery.com>
4653 * extend.texi (Common Function Attributes) <no_stack_limit>: New.
4654 * invoke.texi (Code Gen Options) <-fno-stack-limit>: Add pointer
4655 to corresponding attribute.
4657 2016-01-01 Sandra Loosemore <sandra@codesourcery.com>
4659 * doc/extend.texi (Common Function Attributes) <noplt>: Move
4660 to correct alphabetization of table. Copy-edit and correct
4662 <stack_protect>: Likewise.
4663 <target_clones>: Likewise.
4665 * doc/invoke.texi (Optimize Options) <-fstack-protector-explicit>:
4666 Correct punctuation.
4667 (Code Gen Options) <-fno-plt>: Copy-edit.
4669 2016-01-01 Bernd Edlinger <bernd.edlinger@hotmail.de>
4672 * config/tilegx/tilegx.md (clzsi2): Don't create DI subregs of
4673 SI values. Explicitly convert SI to DI and vice-versa.
4675 2016-01-01 Jakub Jelinek <jakub@redhat.com>
4677 PR tree-optimization/69070
4678 * tree-ssa-math-opts.c (gimple_expand_builtin_pow): Only test
4679 REAL_VALUE_ISSIGNALING_NAN on arg0 if arg0 is a REAL_CST.
4682 * ubsan.c (ubsan_instrument_float_cast): Call
4683 initialize_sanitizer_builtins.
4686 * ifcvt.c (find_cond_trap): Give up if returnjump_p (jump).
4688 Copyright (C) 2016 Free Software Foundation, Inc.
4690 Copying and distribution of this file, with or without modification,
4691 are permitted in any medium without royalty provided the copyright
4692 notice and this notice are preserved.