1 2016-02-23 Jakub Jelinek <jakub@redhat.com>
4 * common.opt (Wunreachable-code): Add Warning flag.
6 2016-02-23 Mark Wielaard <mjw@redhat.com>
7 Jakub Jelinek <jakub@redhat.com>
10 * cgraphunit.c (check_global_declaration): Check main_input_filename
11 and DECL_SOURCE_FILE are not NULL.
13 2016-02-23 Martin Jambor <mjambor@suse.cz>
15 PR tree-optimization/69666
16 * tree-sra.c (sra_modify_assign): Do not attempt to create
17 default_def replacements for unscalarizable regions.
19 2016-02-20 Mark Wielaard <mjw@redhat.com>
22 * cgraphunit.c (check_global_declaration): Check level of
23 warn_unused_const_variable and main_input_filename.
24 * doc/invoke.texi (Warning Options): Add -Wunused-const-variable=.
25 (-Wunused-variable): For C implies -Wunused-const-variable=1.
26 (-Wunused-const-variable): Explain levels 1 and 2.
28 2016-02-22 Jakub Jelinek <jakub@redhat.com>
31 * config/i386/i386.c (decide_alg): Ensure we don't recurse with
32 identical arguments. Formatting and spelling fixes.
35 * doc/md.texi (ashl@var{m}3): Document that mode of operand 2 must
40 * config/m68k/t-opts (OPTIONS_H_EXTRA): Add m68k-microarchs.def
42 * config/c6x/t-c6x (OPTIONS_H_EXTRA): Add c6x-isas.def.
43 * config/aarch64/t-aarch64 (OPTIONS_H_EXTRA): Add aarch64-arches.def.
45 2016-02-22 Cesar Philippidis <cesar@codesourcery.com>
47 * config/nvptx/nvptx.c (nvptx_gen_shuffle): Add support for QImode
50 2016-02-22 Richard Biener <rguenther@suse.de>
52 PR tree-optimization/69882
53 * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Properly
54 preserve permutations present because of gaps.
55 (vect_supported_load_permutation_p): Always continue checking
56 permutations after vect_attempt_slp_rearrange_stmts.
58 2016-02-22 Bin Cheng <bin.cheng@arm.com>
60 * tree-vect-loop.c (vect_estimate_min_profitable_iters): Dump
61 min_profitable_estimate, rather than min_profitable_iters.
63 2016-02-22 Jakub Jelinek <jakub@redhat.com>
66 * config/m68k/m68k.md (ashldi3, ashrdi3, lshrdi3): Use
67 SImode for last match_operand.
69 2016-02-22 Martin Liska <mliska@suse.cz>
71 * hsa-gen.c (gen_hsa_clrsb): In case of zero value,
72 return bitsize - 1 as the return value.
74 2016-02-22 Oleg Endo <olegendo@gcc.gnu.org>
78 * config/sh/sh.c (sh_lshrsi_clobbers_t_reg_p, sh_dynamicalize_shift_p):
79 Handle negative shift counts.
80 * config/sh/sh.md (ashlsi3, lshrsi3_n, lshrsi3_n_clobbers_t): Don't use
81 force_reg on the shift constant.
82 (lshrsi3): Likewise. Expand into lshrsi3_n* instead of lshrsi3_d.
83 (lshrsi3_d): Handle negative shift counts.
85 2016-02-22 Richard Biener <rguenther@suse.de>
86 Tom de Vries <tom@codesourcery.com>
88 * graph.c: Include dumpfile.h.
89 (print_graph_cfg): Split into three overloads.
90 * gdbhooks.py (class DotFn): Add and instantiate, adding command dot-fn.
92 2016-02-22 Tom de Vries <tom@codesourcery.com>
94 * gdbhooks.py (class DumpFn): Add and instantiate, adding command
97 2016-02-22 Richard Biener <rguenther@suse.de>
100 * ipa-inline-transform.c (inline_call): When not updating
101 overall summaries adjust self size by the growth estimate.
102 * ipa-inline.c (inline_to_all_callers_1): Add to the callers
103 hash-set, do not update overall summaries here. Renamed from ...
104 (inline_to_all_callers): ... this which is now wrapping the
105 above and performing delayed overall summary update.
106 (early_inline_small_functions): Delay updating of the overall
109 2016-02-21 Markus Trippelsdorf <markus@trippelsdorf.de>
111 * tree-chkp.c (chkp_mark_invalid_bounds_walker): Initialize
114 2016-02-19 Jakub Jelinek <jakub@redhat.com>
117 * gcc.c (LINK_COMMAND_SPEC, GOMP_SELF_SPECS): Use
118 :%* in %:gt() argument.
119 (greater_than_spec_func): Adjust for expecting only numbers,
120 if there are more than two numbers, compare the last two.
122 2016-02-19 Jonathan Wakely <jwakely@redhat.com>
124 * doc/invoke.texi (C++ Dialect Options): Clarify interaction of
125 -Wnarrowing with -std.
127 2016-02-19 Jakub Jelinek <jakub@redhat.com>
130 * expr.c (store_field): Don't use bit-field path if exp is
131 COMPONENT_REF with TREE_ADDRESSABLE type, where TYPE_SIZE is
132 different from bitsize, but DECL_SIZE of FIELD_DECL is bitsize
133 and the assignment can be performed by bitwise copy. Formatting
137 * lra.c (lra_process_new_insns): If non-call exceptions are enabled,
138 call copy_reg_eh_region_note_forward on before and/or after sequences
139 and remove note from insn if it no longer can throw.
142 * config/i386/sse.md (VI_512): Only include V64QImode and V32HImode
145 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
147 * config/s390/vector.md: Add missing commutative operand markers
148 to the patterns which qualify for one.
149 * config/s390/vx-builtins.md: Likewise.
151 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
153 * config/s390/vector.md (VI, VI_QHS): Add single element vector
154 types to mode iterators.
155 (vec_double): ... and mode attribute.
156 * config/s390/vx-builtins.md (non_vec_int): Likewise.
158 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
160 * config/s390/vector.md ("<ti*>add<mode>3", "<ti*>sub<mode>3"):
161 Change the predicate of op2 from nonimmediate to general and let
162 reload fix it if necessary.
164 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
166 * config/s390/vecintrin.h (vec_sub_u128): Define missing macro.
168 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
170 * config/s390/s390.c (s390_expand_vcond): Use the compare operand
173 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
175 * config/s390/s390-protos.h: Add s390_expand_vec_movstr prototype.
176 * config/s390/s390.c (s390_expand_vec_movstr): New function.
177 * config/s390/s390.md ("movstr<P:mode>"): Call
178 s390_expand_vec_movstr.
180 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
182 * config/s390/s390.md: Add missing output modifier for operand 1
183 to print it as address properly.
185 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
187 * config/s390/2827.md: Rename ooo_* insn attributes to zEC12_*.
188 * config/s390/2964.md: New file.
189 * config/s390/s390.c (s390_get_sched_attrmask): Use the right set
190 of insn grouping attributes depending on the CPU level.
191 (s390_get_unit_mask): New function.
192 (s390_sched_score): Remove the OOO from the scheduling macros.
193 Add loop to calculate a score for the instruction mix.
194 (s390_sched_reorder): Likewise plus improve debug output.
195 (s390_sched_variable_issue): Rename macros as above. Calculate
196 the unit distances after actually scheduling an insn. Improve
198 (s390_sched_init): Clear last_scheduled_unit_distance array.
199 * config/s390/s390.md: Include 2964.md.
201 2016-02-18 Jakub Jelinek <jakub@redhat.com>
204 * config/i386/sse.md (*<floatsuffix>floatv2div2sf2_mask_1,
205 *avx512vl_<code>v2div2qi2_mask_1, *avx512vl_<code><mode>v4qi2_mask_1,
206 *avx512vl_<code><mode>v8qi2_mask_1, *avx512vl_<code><mode>v4hi2_mask_1,
207 *avx512vl_<code>v2div2hi2_mask_1, *avx512vl_<code>v2div2si2_mask_1,
208 *avx512f_<code>v8div16qi2_mask_1): New insns.
210 2016-02-18 Michael Meissner <meissner@linux.vnet.ibm.com>
213 * config/rs6000/predicates.md (fusion_gpr_addis): Revert
216 * config/rs6000/rs6000.md (fusion_gpr_load_<mode>): Remove
217 earlyclobber from target. Use wF constraint for fused memory
219 (fusion_gpr_<P:mode>_<GPR_FUSION:mode>_load): Likewise.
221 2016-02-18 Jakub Jelinek <jakub@redhat.com>
222 Martin Liska <mliska@suse.cz>
225 * cfgexpand.c (asan_sanitize_stack_p): New function.
226 (partition_stack_vars): Use the function.
227 (expand_stack_vars): Likewise.
228 (defer_stack_allocation): Likewise.
229 (expand_used_vars): Likewise.
231 2016-02-18 Richard Biener <rguenther@suse.de>
234 * fold-const.c (operand_equal_p): Properly compare offsets for
235 IMAGPART_EXPR and ARRAY_REF.
237 2016-02-18 Nick Clifton <nickc@redhat.com>
241 * config/arm/arm.c (arm_option_override_internal): Disable
242 interworking if the target does not support thumb instructions.
243 (arm_reload_in_hi): Handle the case where a register to register
244 move needs reloading because there is no simple pattern to handle
246 (arm_reload_out_hi): Likewise.
248 2016-02-18 Richard Biener <rguenther@suse.de>
251 * match.pd: Don't use fold_binary or fold_unary for folding
254 2016-02-17 Jakub Jelinek <jakub@redhat.com>
257 * gimplify.c (gimplify_cond_expr): Call gimple_set_no_warning
258 on the cond_stmt from TREE_NO_WARNING on COND_EXPR_COND.
259 * gimple-ssa-nonnull-compare.c (do_warn_nonnull_compare): Don't
260 warn on gimple_no_warning_p statements.
262 2016-02-17 Jonathan Wakely <jwakely@redhat.com>
264 * doc/extend.texi (C++ Attributes): Correct description of
265 warn_unused type attribute.
267 2016-02-17 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
269 * config/rs6000/altivec.md (*altivec_lvxl_<mode>_internal): Output
272 2016-02-17 Richard Biener <rguenther@suse.de>
274 PR rtl-optimization/69609
275 * bb-reorder.c (struct bbro_basic_block_data): Add priority member.
276 (find_traces_1_round): When ending a trace update cached priority
278 (bb_to_key): Use cached priority when available.
279 (copy_bb): Initialize cached priority.
280 (reorder_basic_blocks_software_trace_cache): Likewise.
282 2016-02-17 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
285 * config/aarch64/predicates.md (aarch64_comparison_operator_mode):
287 (aarch64_comparison_operator): Break overly long line into two.
288 (aarch64_comparison_operation): Likewise.
289 * config/aarch64/aarch64.md (cstorecc4): Use
290 aarch64_comparison_operator_mode instead of
291 aarch64_comparison_operator.
292 (cstore<mode>4): Likewise.
293 (aarch64_cstore<mode>): Likewise.
294 (*cstoresi_insn_uxtw): Likewise.
295 (cstore<mode>_neg): Likewise.
296 (*cstoresi_neg_uxtw): Likewise.
298 2016-02-17 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
301 * config/arm/predicates.md (arm_comparison_operator_mode):
303 * config/arm/arm.md (*mov_scc): Use arm_comparison_operator_mode
304 instead of arm_comparison_operator.
305 (*mov_negscc): Likewise.
306 (*mov_notscc): Likewise.
307 * config/arm/thumb2.md (*thumb2_mov_scc): Likewise.
308 (*thumb2_mov_negscc): Likewise.
309 (*thumb2_mov_negscc_strict_it): Likewise.
310 (*thumb2_mov_notscc): Likewise.
311 (*thumb2_mov_notscc_strict_it): Likewise.
313 2016-02-17 Wilco Dijkstra <wdijkstr@arm.com>
315 * config/aarch64/aarch64.c (aarch64_internal_mov_immediate):
318 2016-02-17 Eric Botcazou <ebotcazou@adacore.com>
320 * config/visium/visium.c (machine_libfunc_index): New enum.
321 (machine_libfuncs): New structure.
322 (visium_libfuncs): New static variable.
323 (TARGET_INIT_LIBFUNCS): Define to...
324 (visium_init_libfuncs): ...this. New function.
325 (expand_block_move_4): Use the appropriate libfunc.
326 (expand_block_move_2): Likewise.
327 (expand_block_move_1): Likewise.
328 (expand_block_set_4): Likewise.
329 (expand_block_set_2): Likewise.
330 (expand_block_set_1): Likewise.
331 (visium_trampoline_init): Likewise.
333 2016-02-17 Nick Clifton <nickc@redhat.com>
335 * config/msp430/msp430.c (msp430_mcu_data): Sync with data from
336 TI's devices.csv file as of March 2016.
338 2016-02-16 Kelvin Nilsen <kelvin@gcc.gnu.org>
341 * opts-global.c (handle_common_deferred_options): Introduce and
342 initialize two global variables to remember command-line options
343 specifying a stack-limiting register.
344 * opts.h: Add extern declarations of the two new global variables.
345 * emit-rtl.c (init_emit_once): Initialize the stack_limit_rtx
346 variable based on the values of the two new global variables.
348 2016-02-16 Jakub Jelinek <jakub@redhat.com>
351 * common.opt (Wnonnull-compare): New warning.
352 * doc/invoke.texi (-Wnonnull): Remove text about comparison
353 of arguments against NULL.
354 (-Wnonnull-compare): Document.
355 * Makefile.in (OBJS): Add gimple-ssa-nonnull-compare.o.
356 * tree-pass.h (make_pass_warn_nonnull_compare): Declare.
357 * passes.def (pass_warn_nonnull_compare): Add.
358 * gimple-ssa-nonnull-compare.c: New file.
360 2016-02-16 James Greenhalgh <james.greenhalgh@arm.com>
362 * config/aarch64/aarch64.c (cortexa57_tunings): Remove
363 AARCH64_EXTRA_TUNE_RECIP_SQRT.
365 2016-02-16 James Greenhalgh <james.greenhalgh@arm.com>
367 * config/aarch64/aarch64.c (use_rsqrt_p): Always use software
368 reciprocal sqrt for -mlow-precision-recip-sqrt.
370 2016-02-16 James Greenhalgh <james.greenhalgh@arm.com>
371 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
373 * config/aarch64/aarch64.c (aarch64_expand_vector_init): Refactor,
374 always use lane loads to construct non-constant vectors.
376 2016-02-16 James Greenhalgh <james.greenhalgh@arm.com>
378 * config/aarch64/aarch64.md
379 (arch64_sqrdml<SQRDMLH_AS:rdma_as>h_lane<mode>): Fix register
380 constraints for operand 3.
381 (aarch64_sqrdml<SQRDMLH_AS:rdma_as>h_laneq<mode>): Likewise.
383 2016-02-16 Jakub Jelinek <jakub@redhat.com>
384 Richard Biener <rguenther@suse.de>
386 PR tree-optimization/69820
387 * tree-vect-patterns.c (type_conversion_p): Return false if
388 *orig_type is unsigned single precision or boolean.
389 (vect_recog_dot_prod_pattern, vect_recog_widen_mult_pattern):
392 2016-02-16 Jakub Jelinek <jakub@redhat.com>
394 PR rtl-optimization/69764
395 PR rtl-optimization/69771
396 * optabs.c (expand_binop): Ensure for shift optabs invalid CONST_INT
397 op1 is valid for GET_MODE_INNER (mode) and force it into a reg.
399 2016-02-16 Richard Biener <rguenther@suse.de>
401 PR tree-optimization/69776
402 * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Get alias
404 (indirect_refs_may_alias_p): Likewise.
405 (refs_may_alias_p_1): Pass alias sets as from ao_ref.
406 * tree-ssa-sccvn.c (vn_reference_lookup): Also adjust vr alias-set
408 * tree-ssa-dom.c (lookup_avail_expr): Add tbaa_p flag.
409 (optimize_stmt): For redundant store discovery do not allow tbaa.
411 2016-02-16 Bernd Schmidt <bschmidt@redhat.com>
413 PR tree-optimization/69714
414 * tree-ssa-math-opts.c (find_bswap_or_nop): Revert previous change.
415 Return NULL if we have irrelevant high bytes on BIG_ENDIAN.
417 2016-02-16 Claudiu Zissulescu <claziss@synopsys.com>
419 * config/arc/arc-modes.def (CC_FPU, CC_FPU_UNEQ): New modes.
420 * config/arc/arc-opts.h (FPU_SP, FPU_SF, FPU_SC, FPU_SD, FPU_DP)
421 (FPU_DF, FPU_DC, FPU_DD, FXP_DP): Define.
422 * config/arc/arc.c (arc_init): Check FPU options.
423 (get_arc_condition_code): Handle new CC_FPU* modes.
424 (arc_select_cc_mode): Likewise.
425 (arc_conditional_register_usage): Allow 64 bit datum into even-odd
426 register pair only. Allow access for ARCv2 accumulator.
427 (gen_compare_reg): Whenever we have FPU support use FPU compare
429 (arc_reorg): Don't generate brcc insns when FPU compare
430 instructions are involved.
431 * config/arc/arc.h (TARGET_DPFP): Add TARGET_FP_DPAX condition.
432 (TARGET_OPTFPE): Add condition when ARC EM can use optimized
433 floating point emulation.
434 (ACC_REG_FIRST, ACC_REG_LAST, ACCL_REGNO, ACCH_REGNO): Define.
435 (REVERSE_CONDITION): Add new CC_FPU* modes.
436 (TARGET_FP_SP_BASE): Define.
437 (TARGET_FP_DP_BASE): Likewise.
438 (TARGET_FP_SP_FUSED): Likewise.
439 (TARGET_FP_DP_FUSED): Likewise.
440 (TARGET_FP_SP_CONV): Likewise.
441 (TARGET_FP_DP_CONV): Likewise.
442 (TARGET_FP_SP_SQRT): Likewise.
443 (TARGET_FP_DP_SQRT): Likewise.
444 (TARGET_FP_DP_AX): Likewise.
445 * config/arc/arc.md (ARCV2_ACC): New constant.
446 (type): New fpu type attribute.
447 (SDF): Conditional iterator.
448 (cstore<mode>, cbranch<mode>): Change expand condition.
449 (addsf3, subsf3, mulsf3, adddf3, subdf3, muldf3): New expands,
450 handles FPU/FPX cases as well.
451 * config/arc/arc.opt (mfpu): New option.
452 * config/arc/fpx.md (addsf3_fpx, subsf3_fpx, mulsf3_fpx):
454 (adddf3, muldf3, subdf3): Removed.
455 * config/arc/predicates.md (proper_comparison_operator): Recognize
457 * config/arc/fpu.md: New file.
458 * doc/invoke.texi (ARC Options): Document mfpu option.
460 2016-02-16 Richard Biener <rguenther@suse.de>
462 PR rtl-optimization/69291
463 * ifcvt.c (noce_try_store_flag_constants): Re-instantiate
464 noce_operand_ok check.
466 2016-02-16 Tom de Vries <tom@codesourcery.com>
469 * omp-low.c (simd_clone_create): Remove call to
470 symtab->call_cgraph_insertion_hooks.
472 2016-02-16 Jakub Jelinek <jakub@redhat.com>
474 PR tree-optimization/69802
475 * tree-ssa-reassoc.c (update_range_test): If op is
476 SSA_NAME_IS_DEFAULT_DEF, give up unless tem is a positive
477 op == 1 test of precision 1 integral op, otherwise handle
478 that case as op itself. Fix up formatting.
479 (optimize_range_tests_to_bit_test, optimize_range_tests): Fix
482 2016-02-16 Richard Biener <rguenther@suse.de>
484 PR tree-optimization/69586
485 * tree-vrp.c (register_edge_assert_for_2): Handle all integral
486 types for conversion sources.
488 2016-02-16 Richard Biener <rguenther@suse.de>
491 * fold-const.c (operand_equal_p): For COND_EXPR zero operand
494 2016-02-16 Alan Modra <amodra@gmail.com>
497 * config/rs6000/rs6000.md (reload_vsx_from_gprsf): Rewrite splitter.
498 (p8_mtvsrd_df, p8_mtvsrd_sf): New.
499 (p8_mtvsrd_1, p8_mtvsrd_2): Delete.
501 (p8_mtvsrwz_1, p8_mtvsrwz_2): Delete.
502 (p8_xxpermdi_<mode>): Take two DF inputs rather than one TF.
503 (p8_fmrgow_<mode>): Likewise.
504 (reload_vsx_from_gpr<mode>): Make clobber IF. Adjust for above
506 (reload_fpr_from_gpr<mode>): Similarly. Use "d" for op0 constraint.
507 (reload_vsx_from_gprsf): Use p8_mtvsrd_sf rather than attempting
508 to use movdi_internal64. Remove op0_di.
509 * config/rs6000/vsx.md (vsx_xscvspdpn_directmove): Make op1 SFmode.
511 2016-02-15 Evandro Menezes <e.menezes@samsung.com>
513 Add support for the FCCMP insn types
515 * config/aarch64/aarch64.md (fccmp): Change insn type.
517 * config/aarch64/thunderx.md (thunderx_fcmp): Add "fccmp{s,d}" types.
518 * config/arm/cortex-a53.md (cortex_a53_fpalu): Likewise.
519 * config/arm/cortex-a57.md (cortex_a57_fp_cmp): Likewise.
520 * config/arm/xgene1.md (xgene1_fcmp): Likewise.
521 * config/arm/exynos-m1.md (exynos_m1_fp_ccmp): New insn reservation.
522 * config/arm/types.md (fccmps): Add new insn type.
525 2016-02-15 Bernd Edlinger <bernd.edlinger@hotmail.de>
527 * alias.c (get_alias_set): Fix a typo in comment.
529 2016-02-15 Richard Biener <rguenther@suse.de>
531 PR tree-optimization/69595
532 * match.pd: Complete range test simplification to true.
534 2016-02-15 Bernd Schmidt <bschmidt@redhat.com>
536 PR rtl-optimization/69648
537 * lra-constraints.c (update_ebb_live_info): Don't remove sets of
538 pic_offset_table_rtx.
540 PR rtl-optimization/69752
541 * ira.c (update_equiv_regs): When looking for more than a single SET,
542 also take other side effects into account.
544 2016-02-15 Marcin Kościelnicki <koriakin@0x04.net>
546 * config/s390/s390.c (s390_function_profiler): Add a new sequence
547 for z900+ CPUs in 31-bit mode.
549 2016-02-15 Marcin Kościelnicki <koriakin@0x04.net>
551 * common/config/s390/s390-common.c (s390_supports_split_stack):
553 (TARGET_SUPPORTS_SPLIT_STACK): New macro.
554 * config/s390/s390-protos.h: Add s390_expand_split_stack_prologue.
555 * config/s390/s390.c (struct machine_function): New field
556 split_stack_varargs_pointer.
557 (s390_register_info): Mark r12 as clobbered if it'll be used as temp
558 in s390_emit_prologue.
559 (s390_emit_prologue): Use r12 as temp if r1 is taken by split-stack
561 (morestack_ref): New global.
562 (SPLIT_STACK_AVAILABLE): New macro.
563 (s390_expand_split_stack_prologue): New function.
564 (s390_live_on_entry): New function.
565 (s390_va_start): Use split-stack vararg pointer if appropriate.
566 (s390_asm_file_end): Emit the split-stack note sections.
567 (TARGET_EXTRA_LIVE_ON_ENTRY): New macro.
568 * config/s390/s390.md (UNSPEC_STACK_CHECK): New unspec.
569 (UNSPECV_SPLIT_STACK_CALL): New unspec.
570 (UNSPECV_SPLIT_STACK_DATA): New unspec.
571 (split_stack_prologue): New expand.
572 (split_stack_space_check): New expand.
573 (split_stack_data): New insn.
574 (split_stack_call): New expand.
575 (split_stack_call_*): New insn.
576 (split_stack_cond_call): New expand.
577 (split_stack_cond_call_*): New insn.
579 2016-02-15 Richard Biener <rguenther@suse.de>
581 PR tree-optimization/69783
582 * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
583 Add trivially correct cases.
585 2016-02-15 Tom de Vries <tom@codesourcery.com>
588 * lto-cgraph.c (input_offload_tables): Add and handle bool parameter
590 * lto-streamer.h (input_offload_tables): Add and handle bool parameter.
592 2016-02-15 Richard Biener <rguenther@suse.de>
594 PR tree-optimization/69776
595 * tree-ssa-sccvn.h (vn_reference_lookup): Adjust prototype.
596 * tree-ssa-sccvn.c (vn_reference_lookup): Add parameter to
597 indicate whether we can use TBAA to disambiguate against stores.
598 Use alias-set zero if not.
599 (visit_reference_op_store): Do not use TBAA when looking up
601 * tree-ssa-pre.c (compute_avail): Use TBAA here.
602 (eliminate_dom_walker::before_dom_children): But not when looking
605 2016-02-14 John David Anglin <danglin@gcc.gnu.org>
607 * config/pa/pa.md (absqi2, absghi2, bswaphi2, bswapsi2, bswapdi2): New.
609 2016-02-14 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
611 * config/i386/znver1.md
612 (znver1_pop, znver1_pop_mem,
613 znver1_load_imov_double_store,
614 znver1_load_imov_direct_store,
615 znver1_load_imov_direct_load,
616 znver1_load_imov_double_load): Add new.
617 (znver1_insn, znver1_insn_load): Add icmov type.
619 znver1_sseavx_fma_load,
621 znver1_avx256_fma_load): Fix pipe usage.
623 2016-02-14 Alan Modra <amodra@gmail.com>
626 * reloads.c (find_reloads_address_1): For pre/post-inc/dec
627 with an invalid hard reg, reload just the reg not the entire
628 pre/post-inc/dec address expression.
630 2016-02-13 Oleg Endo <olegendo@gcc.gnu.org>
633 * config/sh/sh.md (sibcall_value_pcrel): Replace =&k scratch reg with
634 fixed R1_REG scratch reg.
635 (sibcall_value_pcrel_fdpic): Likewise.
637 2016-02-13 Oleg Endo <olegendo@gcc.gnu.org>
641 * config/sh/sh.md (*zero_extract_3): New insn_and_split pattern.
643 2016-02-12 Walter Lee <walt@tilera.com>
645 * config/tilepro/t-tilepro: Replace CC_FOR_BUILD with CXX_FOR_BUILD.
646 * config/tilegx/t-tilegx: Likewise.
648 2016-02-12 David Malcolm <dmalcolm@redhat.com>
651 * diagnostic-show-locus.c (struct line_span): New struct.
652 (layout::get_first_line): Delete.
653 (layout::get_last_line): Delete.
654 (layout::get_num_line_spans): New member function.
655 (layout::get_line_span): Likewise.
656 (layout::print_heading_for_line_span_index_p): Likewise.
657 (layout::get_expanded_location): Likewise.
658 (layout::calculate_line_spans): Likewise.
659 (layout::m_first_line): Delete.
660 (layout::m_last_line): Delete.
661 (layout::m_line_spans): New field.
662 (layout::layout): Update comment. Replace m_first_line and
663 m_last_line with m_line_spans, replacing their initialization
664 with a call to calculate_line_spans.
665 (diagnostic_show_locus): When printing source lines and
666 annotations, rather than looping over a single span
667 of lines, instead loop over each line_span within
668 the layout, with an inner loop over the lines within them.
669 Call the context's start_span callback when changing line spans.
670 * diagnostic.c (diagnostic_initialize): Initialize start_span.
671 (diagnostic_build_prefix): Break out the building of the location
672 part of the string into...
673 (diagnostic_get_location_text): ...this new function, rewriting
674 it from nested ternary expressions to a sequence of "if"
676 (default_diagnostic_start_span_fn): New function.
677 * diagnostic.h (diagnostic_start_span_fn): New typedef.
678 (diagnostic_context::start_span): New field.
679 (default_diagnostic_start_span_fn): New prototype.
681 2016-02-12 David Malcolm <dmalcolm@redhat.com>
684 * gcc.c (driver::finalize): Fix cleanup of "specs".
686 2016-02-12 David Malcolm <dmalcolm@redhat.com>
690 * gcc.c (driver::driver): Initialize m_option_suggestions.
691 (driver::~driver): Clean up m_option_suggestions.
692 (suggest_option): Convert to...
693 (driver::suggest_option): ...this, and split out into
694 driver::build_option_suggestions and find_closest_string.
695 (driver::build_option_suggestions): New function, from
696 first half of suggest_option. Special-case
697 OPT_fsanitize_ and OPT_fsanitize_recover_, making use of
698 the sanitizer_opts array. For options of enum types, add the
699 various enum values to the candidate strings.
700 (driver::handle_unrecognized_options): Remove "const".
701 * gcc.h (driver::handle_unrecognized_options): Likewise.
702 (driver::build_option_suggestions): New decl.
703 (driver::suggest_option): New decl.
704 (driver::m_option_suggestions): New field.
705 * opts-common.c (add_misspelling_candidates): New function.
706 * opts.c (sanitizer_opts): Remove decl of struct sanitizer_opts_s
708 * opts.h (sanitizer_opts): New array decl.
709 (add_misspelling_candidates): New function decl.
710 * spellcheck.c (find_closest_string): New function.
711 * spellcheck.h (find_closest_string): New function decl.
713 2016-02-12 Jakub Jelinek <jakub@redhat.com>
715 PR rtl-optimization/69764
716 PR rtl-optimization/69771
717 * optabs.c (expand_binop_directly): For shift_optab_p, force
718 convert_modes with VOIDmode if xop1 has VOIDmode.
720 2016-02-12 Ilya Enkovich <enkovich.gnu@gmail.com>
723 * lto-streamer-out.c (lto_output): Use thunk.add_pointer_bounds_args
724 to correctly determine instrumentation thunks.
726 2016-02-12 Jakub Jelinek <jakub@redhat.com>
729 * ipa-split.c (split_function): If split part returns TREE_ADDRESSABLE
730 type by reference, force lhs on the call.
733 * ipa-split.c (split_function): Don't compute/use main_part_return_p.
734 Compute retval and retbnd early in all cases if split_part_return_p
735 and return_bb is not EXIT. Remove all clobber stmts and reset
736 all debug stmts that refer to SSA_NAMEs defined in split part,
737 except if it is retval, in that case replace the old retval with the
738 lhs of the call to the split part.
740 2016-02-12 Kugan Vivekanandarajah <kuganv@linaro.org>
743 2016-02-12 Kugan Vivekanandarajah <kuganv@linaro.org>
746 * tree-ssa-reassoc.c (optimize_range_tests): Handle tcc_compare stmt
747 whose result is used in PHI.
748 (maybe_optimize_range_tests): Likewise.
749 (final_range_test_p): Likweise.
751 2016-02-12 Kugan Vivekanandarajah <kuganv@linaro.org>
754 * tree-ssa-reassoc.c (optimize_range_tests): Handle tcc_compare stmt
755 whose result is used in PHI.
756 (maybe_optimize_range_tests): Likewise.
757 (final_range_test_p): Likweise.
759 2016-02-12 Jakub Jelinek <jakub@redhat.com>
761 * cgraph.c: Spelling fixes - behaviour -> behavior and
762 neighbour -> neighbor.
763 * target.def: Likewise.
764 * sel-sched.c: Likewise.
765 * config/mips/mips.c: Likewise.
766 * config/arc/arc.md: Likewise.
767 * config/arm/cortex-a57.md: Likewise.
768 * config/arm/arm.c: Likewise.
769 * config/arm/neon.md: Likewise.
770 * config/arm/arm-c.c: Likewise.
771 * config/vms/vms-c.c: Likewise.
772 * config/s390/s390.c: Likewise.
773 * config/i386/znver1.md: Likewise.
774 * config/i386/i386.c: Likewise.
775 * config/ia64/hpux-unix2003.h: Likewise.
776 * config/msp430/msp430.md: Likewise.
777 * config/rx/rx.c: Likewise.
778 * config/rx/rx.md: Likewise.
779 * config/aarch64/aarch64-simd.md: Likewise.
780 * config/aarch64/aarch64.c: Likewise.
781 * config/nvptx/nvptx.c: Likewise.
782 * config/bfin/bfin.c: Likewise.
783 * config/cris/cris.opt: Likewise.
784 * config/rs6000/rs6000.c: Likewise.
785 * target.h: Likewise.
786 * spellcheck.c: Likewise.
787 * ira-build.c: Likewise.
788 * tree-inline.c: Likewise.
789 * builtins.c: Likewise.
790 * lra-constraints.c: Likewise.
791 * explow.c: Likewise.
793 * targhooks.c: Likewise.
794 * tree-vect-data-refs.c: Likewise.
796 * doc/tm.texi: Likewise.
797 * doc/extend.texi: Likewise.
798 * doc/install.texi: Likewise.
799 * doc/md.texi: Likewise.
800 * tree-ssa-tail-merge.c: Likewise.
801 * sched-int.h: Likewise.
802 * match.pd: Likewise.
803 * sched-ebb.c: Likewise.
804 * target.def (omit_struct_return_reg): Likewise.
805 * gimple-ssa-isolate-paths.c: Likewise.
806 (find_implicit_erroneous_behaviour): Renamed to...
807 (find_implicit_erroneous_behavior): ... this.
808 (find_explicit_erroneous_behaviour): Renamed to...
809 (find_explicit_erroneous_behavior): ... this.
810 (gimple_ssa_isolate_erroneous_paths): Adjust caller.
812 2016-02-11 Segher Boessenkool <segher@kernel.crashing.org>
814 PR rtl-optimization/64682
815 PR rtl-optimization/69567
816 PR rtl-optimization/69737
817 * combine.c (distribute_notes) <REG_DEAD>: If the register is set
818 in I2 as well, just lose it.
820 2016-02-11 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
822 * config/aarch64/aarch64.c (aarch64_last_printed_arch_string):
824 (aarch64_last_printed_tune_string): Likewise.
825 (aarch64_declare_function_name): Only output .arch assembler
826 directive if it will be different from the previously output
827 directive. Same for .tune comment but only if -dA is set.
828 (aarch64_start_file): New function.
829 (TARGET_ASM_FILE_START): Define.
831 2016-02-11 David Malcolm <dmalcolm@redhat.com>
834 * Makefile.in (PLUGIN_HEADERS): Add params.list.
836 2016-02-11 Jakub Jelinek <jakub@redhat.com>
839 * tree-vect-slp.c (vect_schedule_slp_instance): Avoid
840 -Wmaybe-uninitialized warning.
842 2016-02-11 Oleg Endo <olegendo@gcc.gnu.org>
845 * config/sh/sh.md (casesi_worker_0): Add T_REG use.
847 2016-02-11 Richard Biener <rguenther@suse.de>
849 PR rtl-optimization/69291
850 * ifcvt.c (noce_try_store_flag_constants): Do not allow
851 subexpressions affected by changing the result.
853 2016-02-10 Vladimir Makarov <vmakarov@redhat.com>
856 * lra-constraints.c (curr_insn_transform): Find in/out operands
857 for secondary memory moves. Update dups.
859 2016-02-10 Yuri Rumyantsev <ysrumyan@gmail.com>
861 PR tree-optimization/69652
862 * tree-vect-loop.c (optimize_mask_stores): Move declaration of STMT1
863 to nested loop, did source re-formatting, skip debug statements,
864 add check on statement with volatile operand, remove dead scalar
867 2016-02-10 Jakub Jelinek <jakub@redhat.com>
868 Patrick Palka <ppalka@gcc.gnu.org>
872 * gimplify.c (gimplify_modify_expr): Set lhs even for noreturn
873 calls if the return type is TREE_ADDRESSABLE.
874 * cgraphunit.c (cgraph_node::expand_thunk): Likewise.
875 * ipa-split.c (split_function): Fix doubled "we" in comment.
876 Use void return type for the split part even if
877 !split_point->split_part_set_retval.
879 2016-02-10 Bin Cheng <bin.cheng@arm.com>
881 PR tree-optimization/68021
882 * tree-ssa-loop-ivopts.c (get_computation_aff): Set ratio to 1 if
883 when computing the value of biv cand by itself.
885 2016-02-10 Wilco Dijkstra <wdijkstr@arm.com>
887 * config/aarch64/aarch64.c (cortexa53_tunings): Enable AES fusion.
888 (cortexa57_tunings): Likewise.
889 (cortexa72_tunings): Likewise.
890 (arch_macro_fusion_pair_p): Add support for AES fusion.
891 * config/aarch64/aarch64-fusion-pairs.def: Add AES_AESMC entry.
892 * config/arm/aarch-common.c (aarch_crypto_can_dual_issue):
893 Allow virtual registers before reload so early scheduling works.
894 * config/arm/cortex-a57.md (cortex_a57_crypto_simple): Use
895 correct latency and pipeline.
896 (cortex_a57_crypto_complex): Likewise.
897 (cortex_a57_crypto_xor): Likewise.
898 (define_bypass): Add AES bypass.
900 2016-02-10 Richard Biener <rguenther@suse.de>
902 PR tree-optimization/69726
903 * passes.def: Add DCE pass before late uninit.
904 * match.pd: Add A ? B : (!A ? C : X) -> A ? B : C patterns to
905 really fixup if-conversions job.
907 2016-02-10 Wilco Dijkstra <wdijkstr@arm.com>
909 * config/arm/arm.c (arm_cortex_a53_tune): Enable AES fusion.
910 (arm_cortex_a57_tune): Likewise.
911 (aarch_macro_fusion_pair_p): Add support for AES fusion.
912 * config/arm/arm-protos.h (fuse_ops): Add FUSE_AES_AESMC.
914 2016-02-10 Eric Botcazou <ebotcazou@adacore.com>
916 * timevar.def (TV_PHASE_DBGINFO): Delete.
917 (TV_PHASE_CHECK_DBGINFO): Likewise.
918 * varpool.c (varpool_node::assemble_decl): Do not change timevar.
920 2016-02-10 Richard Biener <rguenther@suse.de>
922 PR tree-optimization/69719
923 * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
924 Adjust previous fix by ensuring that dr_a1 is left of dr_a2.
926 2016-02-09 Andrew Pinski <apinski@cavium.com>
929 * optabs-tree.c (expand_vec_cond_expr_p): Don't early return if
930 get_vcond_mask_icode returns false.
932 2016-02-09 Michael Meissner <meissner@linux.vnet.ibm.com>
935 * config/rs6000/predicates.md (fusion_gpr_addis): Prevent fusing
936 an ADDIS that adds a pointer to a large constant that sets the
937 upper16 bits with a load operation.
939 2016-02-09 Charles Baylis <charles.baylis@linaro.org>
942 * config/arm/arm.c (arm_evpc_neon_vzip): Allow for big endian lane
944 * config/arm/arm_neon.h (vzipq_s8): Adjust shuffle patterns for big
946 (vzipq_s16): Likewise.
947 (vzipq_s32): Likewise.
948 (vzipq_f32): Likewise.
949 (vzipq_u8): Likewise.
950 (vzipq_u16): Likewise.
951 (vzipq_u32): Likewise.
952 (vzipq_p8): Likewise.
953 (vzipq_p16): Likewise.
955 2016-02-09 Charles Baylis <charles.baylis@linaro.org>
958 * config/arm/arm.c (neon_endian_lane_map): New function.
959 (neon_vector_pair_endian_lane_map): New function.
960 (arm_evpc_neon_vuzp): Allow for big endian lane order.
961 * config/arm/arm_neon.h (vuzpq_s8): Adjust shuffle patterns for big
963 (vuzpq_s16): Likewise.
964 (vuzpq_s32): Likewise.
965 (vuzpq_f32): Likewise.
966 (vuzpq_u8): Likewise.
967 (vuzpq_u16): Likewise.
968 (vuzpq_u32): Likewise.
969 (vuzpq_p8): Likewise.
970 (vuzpq_p16): Likewise.
972 2016-02-11 Alexandre Oliva <aoliva@redhat.com>
975 * regstat.c (regstat_bb_compute_calls_crossed): Disregard
978 2016-02-09 Uros Bizjak <ubizjak@gmail.com>
980 * config/i386/i386.md (insv<mode>_1): Use gen_int_mode to
981 truncate const_int operand 1 to QImode.
983 2016-02-09 Eric Botcazou <ebotcazou@adacore.com>
985 * gimple-ssa-backprop.c (optimize_phi): Do not replace an argument
986 corresponding to an abnormal edge.
988 2016-02-09 Tom de Vries <tom@codesourcery.com>
990 PR tree-optimization/69599
991 * tree-ssa-structalias.c (fndecl_maybe_in_other_partition): New
993 (find_func_aliases_for_builtin_call, find_func_clobbers)
994 (ipa_pta_execute): Handle case that foo and foo._0 are not in same lto
997 2016-02-09 Richard Biener <rguenther@suse.de>
999 PR tree-optimization/69715
1000 * tree-ssa.c (execute_update_addresses_taken): Mark non-decl
1001 LHS on calls as non-rewritable.
1003 2016-02-09 Tom de Vries <tom@codesourcery.com>
1006 * lto-wrapper.c (append_diag_options): New function.
1007 (compile_offload_image): Call append_diag_options.
1009 2016-02-08 Sandra Loosemore <sandra@codesourcery.com>
1012 * doc/extend.texi (Flag Output Operands): Correct sectioning.
1013 Minor copy-edit to fix verb tenses.
1015 2016-02-08 Jakub Jelinek <jakub@redhat.com>
1017 PR tree-optimization/69209
1018 * ipa-split.c (split_function): If split part is not
1019 returning retval, retval has gimple type but is not
1020 gimple value, force it into a SSA_NAME first.
1022 2016-02-08 Nicklas Bo Jensen <nbjensen@gmail.com>
1024 * doc/tree-ssa.texi (Preserving the virtual SSA form): Remove
1027 2016-02-08 Jason Merrill <jason@redhat.com>
1030 * convert.c (convert_to_integer_1): Check dofold on truncation
1032 (convert_to_pointer_maybe_fold, convert_to_real_maybe_fold)
1033 (convert_to_integer_maybe_fold, convert_to_complex_maybe_fold):
1034 Rename from *_nofold.
1035 * convert.h (convert_to_pointer_nofold, convert_to_integer_nofold)
1036 (convert_to_real_nofold, convert_to_complex_nofold): New inlines.
1038 2016-02-08 Bernd Schmidt <bschmidt@redhat.com>
1041 * tree.c (build_common_tree_nodes): Remove short_double argument.
1042 All callers changed.
1043 * tree.h (build_common_tree_nodes): Adjust declaration.
1044 * doc/invoke.texi (-fshort-double): Remove documentation.
1045 * config/mips/t-img-elf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
1046 MULTILIB_EXCEPTIONS): Remove -fshort-double variant.
1047 * lto-wrapper.c (merge_and_complain, append_compiler_options)
1048 (append_linker_options): Don't handle OPT_fshort_double.
1050 PR rtl-optimization/68730
1051 * lra-remat.c (insn_to_cand_activation): New static variable.
1052 (lra_remat): Allocate and free it.
1053 (create_cand): New arg activation. Initialize a field in
1054 insn_to_cand_activation if it is nonnull.
1055 (create_cands): Pass the activation insn to create_cand when making
1056 a candidate involving an output reload. Reorganize code a little.
1057 (do_remat): Keep track of active status of candidates in a separate
1060 2016-02-08 Richard Biener <rguenther@suse.de>
1062 PR tree-optimization/69719
1063 * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
1064 Properly use absolute of the difference of the two offsets to
1065 compare or adjust the segment length.
1067 2016-02-08 Richard Biener <rguenther@suse.de>
1068 Jeff Law <law@redhat.com>
1071 * tree-ssanames.c (make_ssa_name_fn): Always use unqualified
1072 types for anonymous SSA names.
1074 2016-02-08 Richard Biener <rguenther@suse.de>
1076 PR rtl-optimization/69274
1077 * ira.c (ira_setup_alts): Do not change recog_data.operand order.
1079 2016-02-08 Jeff Law <law@redhat.com>
1081 PR tree-optimization/65917
1082 * tree-ssa-dom.c (record_temporary_equivalences): Record both
1083 equivalences from if (x == y) style conditionals.
1084 (loop_depth_of_name): Remove.
1085 (record_equality): Remove loop depth check.
1086 * tree-ssa-scopedtables.h (const_and_copies): Refine comments.
1087 (const_and_copies::record_const_or_copy_raw): New member function.
1088 * tree-ssa-scopedtables.c
1089 (const_and_copies::record_const_or_copy_raw): New, factored out of
1090 (const_and_copies::record_const_or_copy): Call new member function.
1092 2016-02-05 Jeff Law <law@redhat.com>
1094 PR tree-optimization/68541
1095 * gimple-ssa-split-paths.c: Include tree-cfg.h and params.h.
1096 (count_stmts_in_block): New function.
1097 (poor_ifcvt_candidate_code): Likewise.
1098 (is_feasible_trace): Add some heuristics to determine when path
1099 splitting is profitable.
1100 (find_block_to_duplicate_for_splitting_paths): Make sure the graph
1101 is a diamond with a single exit.
1103 2016-02-05 Martin Sebor <msebor@redhat.com>
1106 * doc/invoke.texi: Update -Wplacement-new to take an optional
1109 2016-02-06 Richard Henderson <rth@redhat.com>
1112 * tree.c (tree_nop_conversion_p): Do not strip casts into or
1113 out of non-standard address spaces.
1115 2016-02-05 Jakub Jelinek <jakub@redhat.com>
1117 PR rtl-optimization/69691
1118 * lra-eliminations.c (move_plus_up): Don't add the addend twice.
1120 2016-02-05 Pat Haugen <pthaugen@us.ibm.com>
1122 * config/rs6000/crypto.md (crypto_vpermxor_<mode>): Correct insn type.
1123 * config/rs6000/rs6000.md (mov<mode>_hardfloat): Likewise.
1124 (*ieee128_mfvsrd_64bit): Likewise.
1125 (*ieee128_mfvsrd_32bit): Likewise.
1127 2016-02-05 Ilya Enkovich <enkovich.gnu@gmail.com>
1131 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
1133 * cgraphunit.c (cgraph_node::reset): Clear thunk info and
1134 instrumented_version.
1136 2016-01-05 Jeremy Bennett <jeremy.bennett@embecosm.com>
1138 * doc/invoke.texi (Optimize Options): In table of --param options
1139 rename second occurrence of tracer-min-branch-ratio to
1140 tracer-min-branch-probability, rename
1141 tracer-min-branch-ratio-feedback to
1142 tracer-min-branch-probability-feedback and clarify description,
1143 rename sched-spec-state-edge-prob-cutoff to
1144 sched-state-edge-prob-cutoff, rename selsched-max-insns-to-rename
1145 to selsched-insns-to-rename, rename lto-minpartition to
1146 lto-min-partition, delete reorder-blocks-duplicate and
1147 reorder-blocks-duplicate-feedback.
1149 2016-02-05 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
1151 * config/s390/s390.c (s390_register_info_set_ranges): Remove
1154 2016-02-05 Dominik Vogt <vogt@linux.vnet.ibm.com>
1156 * doc/extend.texi: S/390: Correct some typos.
1158 2016-02-05 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
1160 * config/s390/s390.c (s390_emit_call): Add missing 64 bit check.
1162 2016-02-05 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
1165 * config/s390/s390.c (SAVE_SLOT_NONE, SAVE_SLOT_STACK): New defines.
1166 (s390_register_info_gprtofpr): Use new macros above.
1167 (s390_register_info_stdarg_fpr): Adjust max_fpr to better match
1169 (s390_register_info_stdarg_gpr): Adjust max_gpr to better match
1170 its name. Adjust restore and save gpr ranges.
1171 (s390_register_info_set_ranges): New function.
1172 (s390_register_info): Use new macros above. Call
1173 s390_register_info_set_ranges.
1174 (s390_optimize_register_info): Likewise.
1175 (s390_hard_regno_rename_ok): Use new macros.
1176 (s390_hard_regno_scratch_ok): Likewise.
1177 (s390_emit_epilogue): Likewise.
1178 (s390_can_use_return_insn): Likewise.
1179 (s390_optimize_prologue): Likewise.
1180 * config/s390/s390.md (GPR2_REGNUM, GPR6_REGNUM): New constants.
1182 2016-02-05 Jakub Jelinek <jakub@redhat.com>
1185 * config/i386/i386.c (convert_scalars_to_vector): Readd stack
1187 (ix86_option_override_internal): Disable TARGET_STV even for
1188 -m{incoming,preferred}-stack-boundary=3.
1190 2016-02-03 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
1192 * config.gcc: Mark deprecated rtems targets as obsolete.
1194 2016-02-04 Segher Boessenkool <segher@kernel.crashing.org>
1196 PR rtl-optimization/64682
1197 PR rtl-optimization/69567
1198 * combine.c (distribute_notes) <REG_DEAD>: Place the death note
1199 before I2 only if the register is both used and set in I2.
1201 2016-02-04 DJ Delorie <dj@redhat.com>
1203 * config/msp430/msp430.c (msp430_start_function): Add function type.
1205 2016-02-04 Jakub Jelinek <jakub@redhat.com>
1208 * tree-dfa.c (get_ref_base_and_extent): Remove unreachable code.
1210 2016-02-04 Uros Bizjak <ubizjak@gmail.com>
1212 PR rtl-optimization/69577
1214 2015-10-29 Richard Henderson <rth@redhat.com>
1218 * config/i386/i386.c (ix86_cannot_change_mode_class): Tighten
1219 sse check to the exact conditions of PR 67609.
1221 2016-02-04 Michael Meissner <meissner@linux.vnet.ibm.com>
1224 * config/rs6000/rs6000.md (mov<mode>_64bit_dm): Use 'd' constraint
1225 instead of 'ws', and 'wh' instead of 'wm' since TFmode/IFmode are
1226 not allowed into the traditional Altivec registers.
1227 (movtd_64bit_nodm): Likewise.
1228 (mov<mode>_32bit, FMOVE128_FPR iterator): Likewise.
1230 2016-02-04 David Malcolm <dmalcolm@redhat.com>
1232 * config/aarch64/cortex-a57-fma-steering.c
1233 (aarch64_register_fma_steering): Remove "static" from arguments
1236 2016-02-04 Wilco Dijkstra <wdijkstr@arm.com>
1239 * ccmp.c (expand_ccmp_expr_1): Avoid evaluating gs0/gs1
1242 2016-02-04 Mike Frysinger <vapier@gentoo.org>
1244 * doc/invoke.texi: Delete -mno-fma4.
1246 2016-02-04 Richard Sandiford <richard.sandiford@arm.com>
1248 PR rtl-optimization/69577
1249 * reginfo.c (record_subregs_of_mode): Add a partial_def parameter.
1250 (find_subregs_of_mode): Update accordingly. Iterate over partial
1253 2016-02-04 Alan Lawrence <alan.lawrence@arm.com>
1255 * config/arm/arm-protos.h (neon_reinterpret): Remove.
1256 * config/arm/arm.c (neon_reinterpret): Remove.
1257 * config/arm/arm_neon_builtins.def (vreinterpretv8qi, vreinterpretv4hi,
1258 vreinterpretv2si, vreinterpretv2sf, vreinterpretdi, vreinterpretv16qi,
1259 vreinterpretv8hi, vreinterpretv4si, vreinterpretv4sf, vreinterpretv2di,
1260 vreinterpretti): Remove.
1261 * config/arm/neon.md (neon_vreinterpretv8qi<mode>,
1262 neon_vreinterpretv4hi<mode>, neon_vreinterpretv2si<mode>,
1263 neon_vreinterpretv2sf<mode>, neon_vreinterpretdi<mode>,
1264 neon_vreinterpretti<mode>, neon_vreinterpretv16qi<mode>,
1265 neon_vreinterpretv8hi<mode>, neon_vreinterpretv4si<mode>,
1266 neon_vreinterpretv4sf<mode>, neon_vreinterpretv2di<mode>): Remove.
1267 * config/arm/arm_neon.h (vreinterpret_p8_p16, vreinterpret_p8_f32,
1268 vreinterpret_p8_p64, vreinterpret_p8_s64, vreinterpret_p8_u64,
1269 vreinterpret_p8_s8, vreinterpret_p8_s16, vreinterpret_p8_s32,
1270 vreinterpret_p8_u8, vreinterpret_p8_u16, vreinterpret_p8_u32,
1271 vreinterpret_p16_p8, vreinterpret_p16_f32, vreinterpret_p16_p64,
1272 vreinterpret_p16_s64, vreinterpret_p16_u64, vreinterpret_p16_s8,
1273 vreinterpret_p16_s16, vreinterpret_p16_s32, vreinterpret_p16_u8,
1274 vreinterpret_p16_u16, vreinterpret_p16_u32, vreinterpret_f32_p8,
1275 vreinterpret_f32_p16, vreinterpret_f32_p64, vreinterpret_f32_s64,
1276 vreinterpret_f32_u64, vreinterpret_f32_s8, vreinterpret_f32_s16,
1277 vreinterpret_f32_s32, vreinterpret_f32_u8, vreinterpret_f32_u16,
1278 vreinterpret_f32_u32, vreinterpret_p64_p8, vreinterpret_p64_p16,
1279 vreinterpret_p64_f32, vreinterpret_p64_s64, vreinterpret_p64_u64,
1280 vreinterpret_p64_s8, vreinterpret_p64_s16, vreinterpret_p64_s32,
1281 vreinterpret_p64_u8, vreinterpret_p64_u16, vreinterpret_p64_u32,
1282 vreinterpret_s64_p8, vreinterpret_s64_p16, vreinterpret_s64_f32,
1283 vreinterpret_s64_p64, vreinterpret_s64_u64, vreinterpret_s64_s8,
1284 vreinterpret_s64_s16, vreinterpret_s64_s32, vreinterpret_s64_u8,
1285 vreinterpret_s64_u16, vreinterpret_s64_u32, vreinterpret_u64_p8,
1286 vreinterpret_u64_p16, vreinterpret_u64_f32, vreinterpret_u64_p64,
1287 vreinterpret_u64_s64, vreinterpret_u64_s8, vreinterpret_u64_s16,
1288 vreinterpret_u64_s32, vreinterpret_u64_u8, vreinterpret_u64_u16,
1289 vreinterpret_u64_u32, vreinterpret_s8_p8, vreinterpret_s8_p16,
1290 vreinterpret_s8_f32, vreinterpret_s8_p64, vreinterpret_s8_s64,
1291 vreinterpret_s8_u64, vreinterpret_s8_s16, vreinterpret_s8_s32,
1292 vreinterpret_s8_u8, vreinterpret_s8_u16, vreinterpret_s8_u32,
1293 vreinterpret_s16_p8, vreinterpret_s16_p16, vreinterpret_s16_f32,
1294 vreinterpret_s16_p64, vreinterpret_s16_s64, vreinterpret_s16_u64,
1295 vreinterpret_s16_s8, vreinterpret_s16_s32, vreinterpret_s16_u8,
1296 vreinterpret_s16_u16, vreinterpret_s16_u32, vreinterpret_s32_p8,
1297 vreinterpret_s32_p16, vreinterpret_s32_f32, vreinterpret_s32_p64,
1298 vreinterpret_s32_s64, vreinterpret_s32_u64, vreinterpret_s32_s8,
1299 vreinterpret_s32_s16, vreinterpret_s32_u8, vreinterpret_s32_u16,
1300 vreinterpret_s32_u32, vreinterpret_u8_p8, vreinterpret_u8_p16,
1301 vreinterpret_u8_f32, vreinterpret_u8_p64, vreinterpret_u8_s64,
1302 vreinterpret_u8_u64, vreinterpret_u8_s8, vreinterpret_u8_s16,
1303 vreinterpret_u8_s32, vreinterpret_u8_u16, vreinterpret_u8_u32,
1304 vreinterpret_u16_p8, vreinterpret_u16_p16, vreinterpret_u16_f32,
1305 vreinterpret_u16_p64, vreinterpret_u16_s64, vreinterpret_u16_u64,
1306 vreinterpret_u16_s8, vreinterpret_u16_s16, vreinterpret_u16_s32,
1307 vreinterpret_u16_u8, vreinterpret_u16_u32, vreinterpret_u32_p8,
1308 vreinterpret_u32_p16, vreinterpret_u32_f32, vreinterpret_u32_p64,
1309 vreinterpret_u32_s64, vreinterpret_u32_u64, vreinterpret_u32_s8,
1310 vreinterpret_u32_s16, vreinterpret_u32_s32, vreinterpret_u32_u8,
1311 vreinterpret_u32_u16, vreinterpretq_p8_p16, vreinterpretq_p8_f32,
1312 vreinterpretq_p8_p64, vreinterpretq_p8_p128, vreinterpretq_p8_s64,
1313 vreinterpretq_p8_u64, vreinterpretq_p8_s8, vreinterpretq_p8_s16,
1314 vreinterpretq_p8_s32, vreinterpretq_p8_u8, vreinterpretq_p8_u16,
1315 vreinterpretq_p8_u32, vreinterpretq_p16_p8, vreinterpretq_p16_f32,
1316 vreinterpretq_p16_p64, vreinterpretq_p16_p128, vreinterpretq_p16_s64,
1317 vreinterpretq_p16_u64, vreinterpretq_p16_s8, vreinterpretq_p16_s16,
1318 vreinterpretq_p16_s32, vreinterpretq_p16_u8, vreinterpretq_p16_u16,
1319 vreinterpretq_p16_u32, vreinterpretq_f32_p8, vreinterpretq_f32_p16,
1320 vreinterpretq_f32_p64, vreinterpretq_f32_p128, vreinterpretq_f32_s64,
1321 vreinterpretq_f32_u64, vreinterpretq_f32_s8, vreinterpretq_f32_s16,
1322 vreinterpretq_f32_s32, vreinterpretq_f32_u8, vreinterpretq_f32_u16,
1323 vreinterpretq_f32_u32, vreinterpretq_p64_p8, vreinterpretq_p64_p16,
1324 vreinterpretq_p64_f32, vreinterpretq_p64_p128, vreinterpretq_p64_s64,
1325 vreinterpretq_p64_u64, vreinterpretq_p64_s8, vreinterpretq_p64_s16,
1326 vreinterpretq_p64_s32, vreinterpretq_p64_u8, vreinterpretq_p64_u16,
1327 vreinterpretq_p64_u32, vreinterpretq_p128_p8, vreinterpretq_p128_p16,
1328 vreinterpretq_p128_f32, vreinterpretq_p128_p64, vreinterpretq_p128_s64,
1329 vreinterpretq_p128_u64, vreinterpretq_p128_s8, vreinterpretq_p128_s16,
1330 vreinterpretq_p128_s32, vreinterpretq_p128_u8, vreinterpretq_p128_u16,
1331 vreinterpretq_p128_u32, vreinterpretq_s64_p8, vreinterpretq_s64_p16,
1332 vreinterpretq_s64_f32, vreinterpretq_s64_p64, vreinterpretq_s64_p128,
1333 vreinterpretq_s64_u64, vreinterpretq_s64_s8, vreinterpretq_s64_s16,
1334 vreinterpretq_s64_s32, vreinterpretq_s64_u8, vreinterpretq_s64_u16,
1335 vreinterpretq_s64_u32, vreinterpretq_u64_p8, vreinterpretq_u64_p16,
1336 vreinterpretq_u64_f32, vreinterpretq_u64_p64, vreinterpretq_u64_p128,
1337 vreinterpretq_u64_s64, vreinterpretq_u64_s8, vreinterpretq_u64_s16,
1338 vreinterpretq_u64_s32, vreinterpretq_u64_u8, vreinterpretq_u64_u16,
1339 vreinterpretq_u64_u32, vreinterpretq_s8_p8, vreinterpretq_s8_p16,
1340 vreinterpretq_s8_f32, vreinterpretq_s8_p64, vreinterpretq_s8_p128,
1341 vreinterpretq_s8_s64, vreinterpretq_s8_u64, vreinterpretq_s8_s16,
1342 vreinterpretq_s8_s32, vreinterpretq_s8_u8, vreinterpretq_s8_u16,
1343 vreinterpretq_s8_u32, vreinterpretq_s16_p8, vreinterpretq_s16_p16,
1344 vreinterpretq_s16_f32, vreinterpretq_s16_p64, vreinterpretq_s16_p128,
1345 vreinterpretq_s16_s64, vreinterpretq_s16_u64, vreinterpretq_s16_s8,
1346 vreinterpretq_s16_s32, vreinterpretq_s16_u8, vreinterpretq_s16_u16,
1347 vreinterpretq_s16_u32, vreinterpretq_s32_p8, vreinterpretq_s32_p16,
1348 vreinterpretq_s32_f16, vreinterpretq_s32_f32, vreinterpretq_s32_p64,
1349 vreinterpretq_s32_p128, vreinterpretq_s32_s64, vreinterpretq_s32_u64,
1350 vreinterpretq_s32_s8, vreinterpretq_s32_s16, vreinterpretq_s32_u8,
1351 vreinterpretq_s32_u16, vreinterpretq_s32_u32, vreinterpretq_u8_p8,
1352 vreinterpretq_u8_p16, vreinterpretq_u8_f32, vreinterpretq_u8_p64,
1353 vreinterpretq_u8_p128, vreinterpretq_u8_s64, vreinterpretq_u8_u64,
1354 vreinterpretq_u8_s8, vreinterpretq_u8_s16, vreinterpretq_u8_s32,
1355 vreinterpretq_u8_u16, vreinterpretq_u8_u32, vreinterpretq_u16_p8,
1356 vreinterpretq_u16_p16, vreinterpretq_u16_f32, vreinterpretq_u16_p64,
1357 vreinterpretq_u16_p128, vreinterpretq_u16_s64, vreinterpretq_u16_u64,
1358 vreinterpretq_u16_s8, vreinterpretq_u16_s16, vreinterpretq_u16_s32,
1359 vreinterpretq_u16_u8, vreinterpretq_u16_u32, vreinterpretq_u32_p8,
1360 vreinterpretq_u32_p16, vreinterpretq_u32_f32, vreinterpretq_u32_p64,
1361 vreinterpretq_u32_p128, vreinterpretq_u32_s64, vreinterpretq_u32_u64,
1362 vreinterpretq_u32_s8, vreinterpretq_u32_s16, vreinterpretq_u32_s32,
1363 vreinterpretq_u32_u8, vreinterpretq_u32_u16): Rewrite using casts.
1365 2016-02-04 Martin Liska <mliska@suse.cz>
1368 * asan.c (has_stmt_been_instrumented_p): Instrument gimple calls
1369 that are gimple_store_p.
1370 (maybe_instrument_call): Likewise.
1372 2016-02-04 Bin Cheng <bin.cheng@arm.com>
1374 * config/aarch64/aarch64.c (aarch64_legitimize_address): Force
1375 register scaling out of memory reference and comment why.
1377 2016-02-04 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1381 * cse.c (cse_insn): Pass NULL to fold_rtx when initially
1382 folding the source of a SET.
1384 2016-02-04 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1388 * config/arm/arm.c (arm_new_rtx_costs, MULT case): Properly extract
1389 the operands of the SIGN_EXTENDs from a SMUL[TB][TB] rtx.
1391 2016-02-04 Jim Wilson <jim.wilson@linaro.org>
1395 * config/arm/arm.h (PROMOTE_MODE): Don't set UNSIGNEDP for QImode and
1398 2016-02-04 Christian Bruel <christian.bruel@st.com>
1400 * config/arm/arm-c.c (arm_reset_previous_fndecl): Style fix and typo.
1401 * config/arm/arm.c (arm_set_current_function): Likewise.
1403 2016-02-04 Jakub Jelinek <jakub@redhat.com>
1404 Ilya Enkovich <enkovich.gnu@gmail.com>
1405 H.J. Lu <hongjiu.lu@intel.com>
1408 * config/i386/i386.c (convert_scalars_to_vector): Remove
1409 stack alignment fixes.
1410 (ix86_option_override_internal): Disable TARGET_STV if stack
1411 might not be aligned enough.
1412 (ix86_minimum_alignment): Assert that TARGET_STV is false.
1414 2016-02-04 Victoria Stepanyan <victoria.stepanyan@amd.com>
1416 * gcc/config/i386/x86-tune.def: Disable default prefetching
1419 2016-02-03 Michael Meissner <meissner@linux.vnet.ibm.com>
1420 Vladimir Makarov <vmakarov@redhat.com>
1423 * config/rs6000/rs6000.c (rs6000_legitimate_address_p): Fix thinko
1424 in validating fused toc addresses.
1426 2016-02-03 Jakub Jelinek <jakub@redhat.com>
1429 * diagnostic-show-locus.c (layout::get_state_at_point): Don't read
1430 range->m_caret fields if range->m_show_caret_p is false.
1433 * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap):
1434 Force oldval into register if it does not satisfy reg_or_short_operand
1435 predicate. Fix up formatting.
1437 2016-02-03 Vladimir Makarov <vmakarov@redhat.com>
1438 Alexandre Oliva <aoliva@redhat.com>
1441 * lra-constraints.c (simplify_operand_subreg): Check additionally
1442 address validity after potential reloading.
1443 (process_address_1): Check insns validity. In case of failure do
1446 2016-02-03 Kirill Yukhin <kirill.yukhin@intel.com>
1449 * config/i386/sse.md (define_insn "avx512f_maskcmp<mode>3"):
1452 2016-02-02 Jakub Jelinek <jakub@redhat.com>
1454 * wide-int.cc (canonize_uhwi): New function.
1455 (wi::divmod_internal): Use it.
1457 2016-02-02 James Norris <jnorris@codesourcery.com
1459 * gimplify.c (omp_notice_variable): Add usage check.
1461 2016-02-02 Alexander Monakov <amonakov@ispras.ru>
1463 * config/nvptx/nvptx.c (nvptx_print_operand): Treat LEU, GEU, LTU, GTU
1464 like LE, GE, LT, GT when emitting relational operator.
1466 2016-02-02 Wilco Dijkstra <wdijkstr@arm.com>
1468 * ira-costs.c (find_costs_and_classes): Add extra argument.
1469 * target.def (ira_change_pseudo_allocno_class): Add parameter.
1470 * targhooks.h (ira_change_pseudo_allocno_class): Likewise.
1471 * targhooks.c (ira_change_pseudo_allocno_class): Likewise.
1472 * config/aarch64/aarch64.c (aarch64_ira_change_pseudo_allocno_class)
1473 Add best_class parameter, and return it if not ALL_REGS.
1474 * config/mips/mips.c (mips_ira_change_pseudo_allocno_class):
1476 * doc/tm.texi (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS):
1479 2016-02-02 Wilco Dijkstra <wdijkstr@arm.com>
1481 * config/aarch64/aarch64.c
1482 (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS): New define.
1483 (aarch64_ira_change_pseudo_allocno_class): New function.
1485 2016-02-02 Uros Bizjak <ubizjak@gmail.com>
1488 * config/i386/i386.c (geode_cost): Increase cost of MMX and SSE moves.
1490 2016-02-02 Senthil Kumar Selvaraj <senthil_kumar.selvaraj@atmel.com>
1492 * config/avr/avr.c (avr_option_override): Set
1493 PARAM_ALLOW_STORE_DATA_RACES to 1.
1495 2016-02-02 Richard Biener <rguenther@suse.de>
1497 PR tree-optimization/69595
1498 * match.pd: Add range test simplifications to true/false.
1500 2016-02-02 Thomas Schwinge <thomas@codesourcery.com>
1502 * omp-builtins.def (BUILT_IN_GOACC_HOST_DATA): Remove.
1503 * omp-low.c (expand_omp_target): Use BUILT_IN_GOACC_DATA_START
1506 2016-02-02 Richard Biener <rguenther@suse.de>
1508 PR tree-optimization/69606
1509 * tree-ssa-math-opts.c (bswap_replace): Clear flow sensitive
1510 info on the result before moving a stmt.
1512 2016-02-02 Yuri Rumyantsev <ysrumyan@gmail.com>
1515 * config/i386/i386.c (ix86_expand_branch): Add support for conditional
1516 branch with vector comparison.
1517 * config/i386/sse.md (VI48_AVX): New mode iterator.
1518 (define_expand "cbranch<mode>4): Add support for conditional branch
1519 with vector comparison.
1520 * tree-vect-loop.c (optimize_mask_stores): New function.
1521 * tree-vect-stmts.c (vectorizable_mask_load_store): Initialize
1522 has_mask_store field of vect_info.
1523 * tree-vectorizer.c (vectorize_loops): Invoke optimaze_mask_stores for
1524 vectorized loops having masked stores after vec_info destroy.
1525 * tree-vectorizer.h (loop_vec_info): Add new has_mask_store field and
1526 correspondent macros.
1527 (optimize_mask_stores): Add prototype.
1529 2016-02-02 Alan Modra <amodra@gmail.com>
1532 * config/rs6000/predicates.md (quad_int_reg_operand): Don't
1535 2016-02-02 Alan Modra <amodra@gmail.com>
1538 * config/rs6000/rs6000.c (need_toc_init): New var, set it
1539 whenever toc_label_name used.
1540 (rs6000_file_start): Don't set up toc section here,
1541 (rs6000_output_function_epilogue): do so here instead,
1542 (rs6000_xcoff_file_start): and here.
1543 * config/rs6000/rs6000.md (load_toc_aix_si): Set need_toc_init.
1544 (load_toc_aix_di): Likewise.
1546 2016-02-01 Jakub Jelinek <jakub@redhat.com>
1548 PR rtl-optimization/69592
1549 * rtlanal.c (nonzero_bits_binary_arith_p): New inline function.
1550 (cached_nonzero_bits): Use it instead of ARITHMETIC_P.
1551 (num_sign_bit_copies_binary_arith_p): New inline function.
1552 (cached_num_sign_bit_copies): Use it instead of ARITHMETIC_P.
1554 2016-02-01 Jeff Law <law@redhat.com>
1556 PR tree-optimization/69580
1557 * params.def (FSM_MAXIMUM_PHI_ARGUMENTS): New param.
1558 * tree-ssa-threadbackward.c
1559 (fsm_find_control_statement_thread_paths): Do not try to walk
1560 through large PHI nodes.
1562 2016-02-01 Jakub Jelinek <jakub@redhat.com>
1564 * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Return false
1565 when count is incremented above limit, don't analyze further
1568 * omp-low.c (oacc_parse_default_dims): Avoid
1569 -Wsign-compare warning, make sure value fits into int
1570 rather than just unsigned int.
1572 2016-02-01 Bin Cheng <bin.cheng@arm.com>
1574 PR tree-optimization/67921
1575 * fold-const.c (split_tree): New parameters. Convert pointer
1576 type variable part to proper type before negating.
1577 (fold_binary_loc): Pass new arguments to split_tree.
1579 2016-02-01 Nathan Sidwell <nathan@codesourcery.com>
1581 * config/nvptx/nvptx.c (PTX_GANG_DEFAULT): New.
1582 (nvptx_goacc_validate_dims): Extend to handle global defaults.
1583 * target.def (OACC_VALIDATE_DIMS): Extend documentation.
1584 * doc/tm.texti: Rebuilt.
1585 * doc/invoke.texi (fopenacc-dim): Document.
1586 * lto-wrapper.c (merge_and_complain): Add OPT_fopenacc_dim_ case.
1587 (append_compiler_options): Likewise.
1588 * omp-low.c (oacc_default_dims, oacc_min_dims): New.
1589 (oacc_parse_default_dims): New.
1590 (oacc_validate_dims): Add USED arg. Select non-unity default when
1592 (oacc_loop_fixed_partitions): Return mask of used partitions.
1593 (oacc_loop_auto_partitions): Emit dump info.
1594 (oacc_loop_partition): Return mask of used partitions.
1595 (execute_oacc_device_lower): Parse default dimension arg. Adjust
1596 loop partitioning and validation calls.
1598 2016-02-01 Richard Biener <rguenther@suse.de>
1601 * match.pd: Guard (C1/X)*C2 -> (C1*C2)/X with single_use.
1603 2016-02-01 Richard Biener <rguenther@suse.de>
1605 PR tree-optimization/69574
1606 * tree-chrec.c (hide_evolution_in_other_loops_than_loop): Instead
1607 of asserting return chrec_dont_know.
1609 2016-02-01 Martin Liska <mliska@suse.cz>
1611 * mem-stats-traits.h: Add copyright header.
1612 * mem-stats.h: Likewise.
1614 2016-02-01 Richard Biener <rguenther@suse.de>
1616 PR tree-optimization/69579
1617 * tree-ssa-loop-ivcanon.c (propagate_constants_for_unrolling):
1618 Do not propagate through abnormal PHI results.
1620 2016-02-01 Eric Botcazou <ebotcazou@adacore.com>
1622 * postreload.c (reload_cse_simplify): Remove dead code.
1624 2016-02-01 Jakub Jelinek <jakub@redhat.com>
1626 PR rtl-optimization/69570
1627 * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Return true only
1628 if there is more than one set, not if there is a single set.
1630 2016-02-01 Richard Henderson <rth@redhat.com>
1633 * combine.c (make_compound_operation): When looking through a
1634 subreg, make sure to re-extend to the width of the outer mode.
1636 2016-01-30 Jakub Jelinek <jakub@redhat.com>
1638 PR tree-optimization/69546
1639 * wide-int.cc (wi::divmod_internal): For unsigned division
1640 where both operands fit into uhwi, if o1 is 1 and o0 has
1641 msb set, if divident_prec is larger than bits per hwi,
1642 clear another quotient word and return 2 instead of 1.
1643 Similarly for remainder with msb in HWI set, if dividend_prec
1644 is larger than bits per hwi.
1646 2016-01-29 Martin Jambor <mjambor@suse.cz>
1648 * hsa-gen.c (get_memory_order_name): Mask with MEMMODEL_BASE_MASK.
1649 Use short lowercase names.
1650 (get_memory_order): Mask with MEMMODEL_BASE_MASK. Support
1651 MEMMODEL_CONSUME with acquire semantics and MEMMODEL_SEQ_CST with
1652 acq_rel one. Protect warning agains segfaults if
1653 get_memory_order_name returns NULL.
1654 (gen_hsa_ternary_atomic_for_builtin): Support with MEMMODEL_SEQ_CST
1655 with release semantics. Do not warn if get_memory_order already did.
1656 (gen_hsa_insns_for_call): Support with MEMMODEL_SEQ_CST with acquire
1657 semantics. Fix check for relaxed or acquire semantics. Do not warn
1658 if get_memory_order already did.
1660 2016-01-29 Sebastian Pop <s.pop@samsung.com>
1662 * doc/install.texi: Document that isl-0.16 is supported.
1664 2016-01-29 Vladimir Makarov <vmakarov@redhat.com>
1667 * config/i386/constraints.md (Bm): Describe as special memory
1669 * doc/md.texi (DEFINE_SPECIAL_MEMORY_CONSTRAINT): Describe it.
1670 * genoutput.c (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
1671 * genpreds.c (struct constraint_data): Add is_special_memory.
1672 (have_special_memory_constraints, special_memory_start): New
1674 (special_memory_end): Ditto.
1675 (add_constraint): Add new arg is_special_memory. Add code to
1676 process its true value. Update have_special_memory_constraints.
1677 (process_define_constraint): Pass the new arg.
1678 (process_define_register_constraint): Ditto.
1679 (choose_enum_order): Process special memory.
1680 (write_tm_preds_h): Generate enum const CT_SPECIAL_MEMORY and
1681 function insn_extra_special_memory_constraint.
1682 (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
1683 * gensupport.c (process_rtx): Process
1684 DEFINE_SPECIAL_MEMORY_CONSTRAINT.
1685 * ira-costs.c (record_reg_classes): Process CT_SPECIAL_MEMORY.
1686 * ira-lives.c (single_reg_class): Use
1687 insn_extra_special_memory_constraint.
1688 * ira.c (ira_setup_alts): Process CT_SPECIAL_MEMORY.
1689 * lra-constraints.c (process_alt_operands): Ditto.
1690 (curr_insn_transform): Use insn_extra_special_memory_constraint.
1691 * recog.c (asm_operand_ok, preprocess_constraints): Process
1693 * reload.c (find_reloads): Ditto.
1694 * rtl.def (DEFINE_SPECIFAL_MEMORY_CONSTRAINT): New.
1695 * stmt.c (parse_input_constraint): Use
1696 insn_extra_special_memory_constraint.
1698 2016-01-29 H.J. Lu <hongjiu.lu@intel.com>
1701 * lra-splill.c (lra_final_code_change): Revert r229087 by
1702 removing all sub-registers.
1704 2016-01-29 Steve Ellcey <sellcey@imgtec.com>
1707 * config/mips/mips.c (mips_output_division): Check flag_delayed_branch.
1709 2016-01-29 Jakub Jelinek <jakub@redhat.com>
1712 * config/i386/i386.c (ix86_expand_vector_set) <case V4SImode>: For
1713 SSE1, copy target into the temporary reg first before recursing
1716 2016-01-29 H.J. Lu <hongjiu.lu@intel.com>
1718 * config/i386/sse.md (sse2_cvtps2pd<mask_name>): Replace vBm
1721 2016-01-29 Jonathan Wakely <jwakely@redhat.com>
1723 * ginclude/stdarg.h: Test __cplusplus instead of
1724 __GXX_EXPERIMENTAL_CXX0X__.
1726 2016-01-29 Richard Biener <rguenther@suse.de>
1728 PR tree-optimization/69547
1729 * tree-ssa-dce.c (mark_aliased_reaching_defs_necessary_1):
1730 Do not mark clobbers necessary.
1731 (mark_all_reaching_defs_necessary_1): Likewise.
1733 2016-01-29 Dominik Vogt <vogt@linux.vnet.ibm.com>
1735 * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Format
1736 declaration name with %qs and print it in both error messages.
1737 Also fix indentation.
1739 2016-01-29 Dominik Vogt <vogt@linux.vnet.ibm.com>
1742 * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Remove
1743 trailing blank line from error message.
1745 2016-01-29 Jonathan Wakely <jwakely@redhat.com>
1748 * ginclude/float.h: Also provide FLT_EVAL_METHOD and DECIMAL_DIG
1751 2016-01-29 Richard Biener <rguenther@suse.de>
1754 * match.pd: Allow all integral types when simplifying a
1755 widening or sign-changing conversion.
1757 2016-01-28 Sebastian Pop <s.pop@samsung.com>
1759 * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Revert assert
1760 back to setting codegen_error to fail codegen.
1762 2016-01-28 Uros Bizjak <ubizjak@gmail.com>
1765 * config/i386/constraints.md (C): Only accept constant zero operand.
1766 (BC): New constraint.
1767 * config/i386/sse.md (*mov<mode>_internal): Use BC constraint
1768 instead of C constraint.
1769 * doc/md.texi (Machine Constraints): Update description
1772 2016-01-28 Steve Ellcey <sellcey@imgtec.com>
1775 * config/mips/mips.c (and_operands_ok): Add MIPS16 check.
1777 2016-01-28 Jakub Jelinek <jakub@redhat.com>
1780 * lra-remat.c (calculate_local_reg_remat_bb_data): Only consider
1783 2016-01-28 Pat Haugen <pthaugen@us.ibm.com>
1785 * config/rs6000/rs6000.c (output_cbranch): Don't statically predict
1786 branches if using guessed profile.
1788 2016-01-28 H.J. Lu <hongjiu.lu@intel.com>
1790 * graphite-optimize-isl.c (optimize_isl): Fix dump.
1792 2016-01-28 Richard Henderson <rth@redhat.com>
1795 * config/aarch64/aarch64-modes.def (CC_Cmode): New
1796 * config/aarch64/aarch64-protos.h: Update.
1797 * config/aarch64/aarch64.c (aarch64_zero_extend_const_eq): New.
1798 (aarch64_select_cc_mode): Add check for use of CC_Cmode.
1799 (aarch64_get_condition_code_1): Handle CC_Cmode.
1800 * config/aarch64/aarch64.md (addti3): Use adddi3_compareC.
1801 (*add<mode>3_compareC_cconly_imm): New.
1802 (*add<mode>3_compareC_cconly): New.
1803 (*add<mode>3_compareC_imm): New.
1804 (add<mode>3_compareC): New.
1805 (add<mode>3_carryin, *addsi3_carryin_uxtw): Sort compare operand
1806 to be first. Use aarch64_carry_operation.
1807 (*add<mode>3_carryin_alt1, *addsi3_carryin_alt1_uxtw): Remove.
1808 (*add<mode>3_carryin_alt2, *addsi3_carryin_alt2_uxtw): Remove.
1809 (*add<mode>3_carryin_alt3, *addsi3_carryin_alt3_uxtw): Remove.
1810 (subti3): Use subdi3_compare1.
1811 (*sub<mode>3_compare0): Rename from sub<mode>3_compare0.
1812 (sub<mode>3_compare1): New.
1813 (*sub<mode>3_carryin0, *subsi3_carryin_uxtw): New.
1814 (*sub<mode>3_carryin): Use aarch64_borrow_operation.
1815 (*subsi3_carryin_uxtw): Likewise.
1816 (*ngc<mode>, *ngcsi_uxtw): Likewise.
1817 (*sub<mode>3_carryin_alt, *subsi3_carryin_alt_uxtw): New.
1818 * config/aarch64/iterators.md (DWI): New.
1819 * config/aarch64/predicates.md (aarch64_carry_operation): New.
1820 (aarch64_borrow_operation): New.
1822 2016-01-28 Abderrazek Zaafrani <a.zaafrani@samsung.com>
1824 * graphite-optimize-isl.c (optimize_isl): Print a different debug
1825 message when isl does not return a valid schedule.
1827 2016-01-28 Sebastian Pop <s.pop@samsung.com>
1829 * graphite-isl-ast-to-gimple.c (class translate_isl_ast_to_gimple):
1830 Remove comments from class declarations: they are already in the code
1833 2016-01-28 Sebastian Pop <s.pop@samsung.com>
1835 * graphite-isl-ast-to-gimple.c (binary_op_to_tree): Call
1837 (ternary_op_to_tree): Same.
1838 (unary_op_to_tree): Same.
1839 (nary_op_to_tree): Same.
1840 (gcc_expression_from_isl_expr_op): Same.
1841 (gcc_expression_from_isl_expression): Same.
1842 (graphite_create_new_loop): Same.
1843 (graphite_create_new_loop_guard): Same.
1844 (build_iv_mapping): Same.
1845 (graphite_create_new_guard): Same.
1846 (translate_isl_ast_to_gimple::copy_loop_phi_nodes): Same.
1847 (translate_isl_ast_to_gimple::translate_pending_phi_nodes): Same.
1849 2016-01-28 Sebastian Pop <s.pop@samsung.com>
1851 * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Assert
1852 instead of setting codegen_error to fail codegen.
1854 2016-01-28 Jason Merrill <jason@redhat.com>
1856 * tree.h (BINFO_FLAG_0): Rename from BINFO_MARKED.
1858 2016-01-28 Wilco Dijkstra <wdijkstr@arm.com>
1860 * config/aarch64/aarch64.c (aarch64_if_then_else_costs):
1861 Remove CONST_INT_P check in CCMP cost calculation.
1863 2016-01-28 Wilco Dijkstra <wdijkstr@arm.com>
1865 * config/aarch64/aarch64.c (generic_vector_cost):
1866 Set vec_permute_cost.
1867 (cortexa57_vector_cost): Likewise.
1868 (exynosm1_vector_cost): Likewise.
1869 (xgene1_vector_cost): Likewise.
1870 (aarch64_builtin_vectorization_cost): Use vec_permute_cost.
1871 * config/aarch64/aarch64-protos.h (cpu_vector_cost):
1872 Add vec_permute_cost entry.
1874 2016-01-28 Wilco Dijkstra <wdijkstr@arm.com>
1876 * config/aarch64/aarch64.md (ccmp<mode>): Disassemble
1878 (add<mode>3_compare0): Likewise.
1879 (addsi3_compare0_uxtw): Likewise.
1880 (add<mode>3nr_compare0): Likewise.
1881 (compare_neg<mode>): Likewise.
1882 (<optab><mode>3): Likewise.
1884 2016-01-28 Ilya Enkovich <enkovich.gnu@gmail.com>
1886 * tree-vect-stmts.c (vectorizable_comparison): Add
1887 NULL check for vectype.
1889 2016-01-28 Richard Biener <rguenther@suse.de>
1891 PR tree-optimization/69466
1892 * tree-vect-loop-manip.c (slpeel_duplicate_current_defs_from_edges):
1893 Account for PHIs we couldn't duplicate.
1895 2016-01-28 Martin Liska <mliska@suse.cz>
1898 * ggc-common.c (gt_pch_save): Use ENABLE_VALGRIND_ANNOTATIONS macro
1899 instead of ENABLE_VALGRIND_CHECKING.
1901 2016-01-27 Richard Henderson <rth@redhat.com>
1904 * lra-remat.c (subreg_regs): New.
1905 (dump_candidates_and_remat_bb_data): Dump it.
1906 (operand_to_remat): Reject if operand in subreg_regs.
1907 (set_bb_regs): Collect subreg_regs.
1908 (lra_remat): Init and free subreg_regs. Compute
1909 calculate_local_reg_remat_bb_data before create_cands.
1911 2016-01-27 H.J. Lu <hongjiu.lu@intel.com>
1914 * config/i386/i386.c (ix86_update_stack_boundary): Don't
1915 change stack_alignment_needed for __tls_get_addr call.
1917 2016-01-27 Segher Boessenkool <segher@kernel.crashing.org>
1919 * config/rs6000/rs6000.c (print_operand): Rollback 's' removal.
1921 2016-01-27 Jeff Law <law@redhat.com>
1923 PR tree-optimization/68398
1924 PR tree-optimization/69196
1925 * params.def (PARAM_FSM_SCALE_PATH_STMTS): New parameter.
1926 (PARAM_FSM_SCALE_PATH_BLOCKS): Likewise.
1927 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
1928 Only count PHIs in the last block in the path. The others will
1929 const/copy propagate away. Add heuristic to allow more irreducible
1930 subloops to be created when it is likely profitable to do so.
1932 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
1933 Fix typo in comment. Use gsi_after_labels and remove the GIMPLE_LABEL
1934 check from within the loop. Use gsi_next_nondebug rather than gsi_next.
1936 2016-01-27 Jakub Jelinek <jakub@redhat.com>
1939 * sanitizer.def: Add BEGIN_SANITIZER_BUILTINS and
1940 END_SANITIZER_BUILTINS markers using DEF_BUILTIN_STUB.
1941 * asan.c (DEF_BUILTIN_STUB): Temporarily define.
1942 * tree-streamer-in.c: Include asan.h.
1943 (streamer_get_builtin_tree): For builtins in sanitizer
1944 range call initialize_sanitizer_builtins and retry.
1946 2016-01-27 Ian Lance Taylor <iant@google.com>
1948 * common.opt (fkeep-gc-roots-live): New undocumented option.
1949 * tree-ssa-loop-ivopts.c (add_candidate_1): If
1950 -fkeep-gc-roots-live, skip pointers.
1951 (add_iv_candidate_for_biv): Handle add_candidate_1 returning
1954 2016-01-27 Uros Bizjak <ubizjak@gmail.com>
1957 * config/i386/i386.md (*zext<mode>_doubleword_and): New pattern.
1958 (*zext<mode>_doubleword): Disable for TARGET_ZERO_EXTEND_WITH_AND.
1960 2016-01-27 Thomas Klausner <wiz@NetBSD.org>
1963 * configure.ac: NetBSD provides SSP in its C library.
1964 * configure: Updated.
1966 2016-01-27 Richard Biener <rguenther@suse.de>
1968 PR tree-optimization/69166
1969 * tree-vect-loop.c (vect_is_simple_reduction): Always check
1970 reduction code for commutativity / associativity.
1972 2016-01-27 Martin Jambor <mjambor@suse.cz>
1974 PR tree-optimization/69355
1975 * tree-sra.c (analyze_access_subtree): Correct hole detection when
1976 total_scalarization fails.
1978 2016-01-27 David Edelsohn <dje.gcc@gmail.com>
1980 * config/rs6000/driver-rs6000.c (detect_processor_aix): Add
1983 2016-01-27 Christian Bruel <christian.bruel@st.com>
1986 * config/arm/arm-c.c (arm_pragma_target_parse): Add comments.
1987 Move arm_reset_previous_fndecl and set_target_option_current_node in
1988 the conditional part. Call save_restore_target_globals.
1989 * config/arm/arm.c (arm_set_current_function):
1990 Refactor to better support #pragma target and attribute mix.
1991 Call save_restore_target_globals.
1992 * config/arm/arm-protos.h (save_restore_target_globals): New function.
1994 2016-01-27 Martin Liska <mliska@suse.cz>
1996 * hsa.c (hsa_summary_t::link_functions): Create IPA_REF_ADDR
1997 reference for an HSA kernel and its host function.
1999 2016-01-27 Jakub Jelinek <jakub@redhat.com>
2001 PR tree-optimization/69399
2002 * wide-int.h (wi::lrshift): For larger precisions, only
2003 use fast path if shift is known to be < HOST_BITS_PER_WIDE_INT.
2005 2016-01-27 Claudiu Zissulescu <claziss@synopsys.com>
2007 * config/arc/predicates.md (proper_comparison_operator): Reject
2008 constant-constant comparison.
2010 2016-01-26 Tom de Vries <tom@codesourcery.com>
2012 PR tree-optimization/69110
2013 * tree-data-ref.c (initialize_data_dependence_relation): Handle
2014 DR_NUM_DIMENSIONS == 0.
2016 2016-01-26 Abderrazek Zaafrani <a.zaafrani@samsung.com>
2017 Sebastian Pop <s.pop@samsung.com>
2019 * graphite-isl-ast-to-gimple.c (ternary_op_to_tree): Handle
2020 isl_ast_op_cond and isl_ast_op_select.
2021 (gcc_expression_from_isl_expr_op): Same.
2023 2016-01-26 Jason Merrill <jason@redhat.com>
2026 * tree.c (recompute_constructor_flags): Split out from
2028 (verify_constructor_flags): New.
2029 * tree.h: Declare them.
2031 2016-01-26 Iain Buclaw <ibuclaw@gdcproject.org>
2033 PR rtl-optimization/69217
2034 * var-tracking.c (tracked_record_parameter_p): Don't segfault if there
2035 are no TYPE_FIELDS set for the record type.
2037 2016-01-26 Jakub Jelinek <jakub@redhat.com>
2040 * config/rs6000/rs6000.c (rs6000_option_override_internal): Initialize
2041 toc_label_name unconditionally.
2042 (rs6000_emit_load_toc_table): Call ggc_strdup on toc_label_name for
2043 SYMBOL_REF string. Use toc_label_name instead of constructing
2045 (rs6000_elf_declare_function_name): Use toc_label_name instead of
2046 constructing LCTOC1.
2048 2016-01-26 Martin Sebor <msebor@redhat.com>
2051 * doc/extend.texi (Common Type Attributes): Move text that talks about
2052 attribute packed from attribute aligned to the section discussing
2053 the former attribute for clarity.
2055 2016-01-26 Richard Henderson <rth@redhat.com>
2058 * trans-mem.c (tm_region_init): Mark entry block as visited.
2060 2016-01-26 David Malcolm <dmalcolm@redhat.com>
2063 * diagnostic-show-locus.c (layout::print_source_line): Replace
2064 call to pp_newline with call to layout::print_newline.
2065 (layout::print_annotation_line): Likewise.
2066 (layout::move_to_column): Likewise.
2067 (layout::print_any_fixits): After printing any fixits, print a
2068 trailing newline, if necessary.
2069 (layout::print_newline): New method, resetting any colorization
2071 (diagnostic_show_locus): Move the pp_newline to before the
2072 early bailout. Remove dummy block enclosing the layout instance.
2073 * diagnostic.c (default_diagnostic_finalizer): Replace invocation
2074 of pp_newline_and_flush with pp_flush.
2075 (diagnostic_append_note): Delete use of pp_newline.
2076 (diagnostic_append_note_at_rich_loc): Delete.
2077 * diagnostic.h (diagnostic_append_note_at_rich_loc): Delete.
2078 * pretty-print.h (output_buffer_append_r): Reset buff->line_length
2079 when newline characters are added to the buffer.
2081 2016-01-26 Michael Matz <matz@suse.de>
2083 * configure.ac (ac_cv_std_swap_in_utility): New test.
2084 * system.h (<algorithm>): Check HAVE_SWAP_IN_UTILITY as well.
2085 * configure: Regenerate.
2086 * config.in: Regenerate.
2088 2016-01-26 Claudiu Zissulescu <claziss@synopsys.com>
2090 * config/arc/arc.md (cstoresi4): Force operand into register.
2091 (arcset<code>): Fix predicate.
2092 (arcsetltu): Likewise.
2093 (arcsetgeu): Likewise.
2094 (arcsethi): Likewise.
2095 (arcsetls): Likewise.
2097 2016-01-26 Jakub Jelinek <jakub@redhat.com>
2099 PR tree-optimization/69483
2100 * gimple-fold.c (canonicalize_constructor_val): Return NULL
2101 if base has error_mark_node type.
2103 2016-01-26 Christophe Lyon <christophe.lyon@linaro.org>
2106 * config/arm/arm.c (neon_valid_immediate): Handle FP16 vectors.
2107 * config/arm/arm_neon.h (__ARM_NUM_LANES, __arm_lane, arm_lanq):
2109 (vget_lane_f16): Handle big-endian.
2110 (vgetq_lane_f16): Likewise.
2111 (vset_lane_f16): Likewise.
2112 (vsetq_lane_f16): Likewise.
2113 * config/arm/iterators.md (VQXMOV): Add V8HF.
2114 (VDQ): Add V4HF and V8HF.
2115 (V_reg): Handle V4HF and V8HF.
2116 (Is_float_mode): Likewise.
2117 * config/arm/neon.md (movv4hf, movv8hf, neon_vdup_nv4hf,
2118 neon_vdup_nv8hf): New patterns.
2119 (vec_set<mode>_internal, vec_extract<mode>, neon_vld1_dup<mode>):
2120 Use VD_LANE iterator.
2121 (neon_vld1_dup<mode>): Use VQ2 iterator.
2123 2016-01-26 Nathan Sidwell <nathan@acm.org>
2125 * omp-low.h (oacc_fn_attrib_kernels_p): Declare.
2126 (set_oacc_fn_attrib): Add IS_KERNEL arg.
2127 * omp-low.c (set_oacc_fn_attrib): Add IS_KERNEL arg.
2128 (oacc_fn_attrib_kernels_p, oacc_fn_attrib_level): New.
2129 (expand_omp_target): Pass is_kernel to set_oacc_fn_attrib.
2130 (oacc_validate_dims): Add LEVEL arg, don't return level.
2131 (new_oacc_loop_routine): Use oacc_fn_attrib_level, not
2133 (execute_oacc_device_lower): Adjust, add more dump output.
2134 * tree-ssa-loop.c (gate_oacc_kernels): Use
2135 oacc_fn_attrib_kernels_p.
2136 * tree-parloops.c (create_parallel_loop): Adjust
2137 set_oacc_fn_attrib call.
2139 2016-01-26 Jakub Jelinek <jakub@redhat.com>
2142 * lto-wrapper.c (merge_and_complain): Handle -fcilkplus.
2143 (append_compiler_options): Handle -fcilkplus.
2144 (append_linker_options): Ignore -fno-{openmp,openacc,cilkplus}.
2146 2016-01-26 Nick Clifton <nickc@redhat.com>
2149 * config/i386/winnt.c (i386_pe_binds_local_p): If a function has
2150 been marked as DECL_ONE_ONLY but we do not the means to make it
2151 so, then do not allow it to bind locally.
2153 2016-01-26 Jakub Jelinek <jakub@redhat.com>
2156 * opts.h (parse_sanitizer_options): New prototype.
2157 * opts.c (sanitizer_opts): New array.
2158 (parse_sanitizer_options): New function.
2159 (common_handle_option): Use parse_sanitizer_options.
2161 2016-01-26 H.J. Lu <hongjiu.lu@intel.com>
2164 * config/i386/i386.c (ix86_compute_frame_layout): Move stack
2165 alignment adjustment to ...
2166 (ix86_update_stack_boundary): Here. Don't over-align stack for
2168 (ix86_finalize_stack_realign_flags): Use stack_alignment_needed
2169 if __tls_get_addr is called.
2171 2016-01-26 Christian Bruel <christian.bruel@st.com>
2173 * doc/sourcebuild.texi (arm_crypto_pragma_ok): Remove.
2175 2016-01-26 Eric Botcazou <ebotcazou@adacore.com>
2177 * config/ia64/ia64.c (ia64_expand_vecint_compare): Use gen_int_mode.
2179 2016-01-26 Richard Biener <rguenther@suse.de>
2182 * match.pd: Guard X * CST CMP 0 pattern with single_use.
2184 2016-01-26 Richard Biener <rguenther@suse.de>
2186 PR tree-optimization/69452
2187 * tree-ssa-loop-im.c (move_computations_dom_walker): Remove.
2188 (move_computations_dom_walker::before_dom_children): Rename
2190 (move_computations_worker): This.
2191 (move_computations): Perform an RPO rather than a DOM walk.
2193 2016-01-26 Jakub Jelinek <jakub@redhat.com>
2196 * combine.c (combine_instructions): For REG_EQUAL note with
2197 SET_DEST being ZERO_EXTRACT, also temporarily set SET_DEST
2198 to the underlying register.
2199 * doc/rtl.texi (REG_EQUAL): Document the behavior of
2200 REG_EQUAL/REG_EQUIV notes if SET_DEST is ZERO_EXTRACT.
2202 2016-01-26 Roger Ferrer Ibáñez <rofirrim@gmail.com>
2205 * config/aarch64/aarch64-builtins.c
2206 (aarch64_init_simd_builtin_types): Do not set structural
2207 equality to __Poly{8,16,64,128}_t types.
2209 2016-01-26 Richard Sandiford <richard.sandiford@arm.com>
2211 PR tree-optimization/69400
2212 * wide-int.cc (wi_pack): Take the precision as argument and
2213 perform canonicalization here rather than in the callers.
2214 Use the main loop to handle all full-width HWIs. Add a
2215 zero HWI if in_len isn't a full result.
2216 (wi::divmod_internal): Update accordingly.
2217 (wi::mul_internal): Likewise. Simplify.
2219 2016-01-25 Aditya Kumar <aditya.k7@samsung.com>
2220 Sebastian Pop <s.pop@samsung.com>
2222 * graphite-poly.c (apply_poly_transforms): Simplify.
2223 (print_isl_set): Use more readable format: ISL_YAML_STYLE_BLOCK.
2224 (print_isl_map): Same.
2225 (print_isl_union_map): Same.
2226 (print_isl_schedule): New.
2227 (debug_isl_schedule): New.
2228 * graphite-dependences.c (scop_get_reads): Do not call
2229 isl_union_map_add_map that is undocumented isl functionality.
2230 (scop_get_must_writes): Same.
2231 (scop_get_may_writes): Same.
2232 (scop_get_original_schedule): Remove.
2233 (scop_get_dependences): Do not call isl_union_map_compute_flow that
2234 is deprecated in isl 0.15. Instead, use isl_union_access_* interface.
2235 (compute_deps): Remove.
2236 * graphite-isl-ast-to-gimple.c (print_schedule_ast): New.
2237 (debug_schedule_ast): New.
2238 (translate_isl_ast_to_gimple::scop_to_isl_ast): Call
2239 set_separate_option.
2240 (graphite_regenerate_ast_isl): Add dump.
2241 (translate_isl_ast_to_gimple::scop_to_isl_ast): Generate code
2242 from scop->transformed_schedule.
2243 (graphite_regenerate_ast_isl): Add more dump.
2244 * graphite-optimize-isl.c (optimize_isl): Set
2245 scop->transformed_schedule. Check whether schedules are equal.
2246 (apply_poly_transforms): Move here.
2247 * graphite-poly.c (apply_poly_transforms): ... from here.
2248 (free_poly_bb): Static.
2249 (free_scop): Static.
2250 (pbb_number_of_iterations_at_time): Remove.
2251 (print_isl_ast): New.
2252 (debug_isl_ast): New.
2253 (debug_scop_pbb): New.
2254 * graphite-scop-detection.c (print_edge): Move.
2256 * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Remove.
2257 (build_scop_scattering): Remove.
2258 (create_pw_aff_from_tree): Assert instead of bailing out.
2259 (add_condition_to_pbb): Remove unused code, do not fail.
2260 (add_conditions_to_domain): Same.
2261 (add_conditions_to_constraints): Remove.
2262 (build_scop_context): New.
2263 (add_iter_domain_dimension): New.
2264 (build_iteration_domains): Initialize pbb->iterators.
2265 Call add_conditions_to_domain.
2268 (index_outermost_in_loop): New.
2269 (index_pbb_in_loop): New.
2270 (outermost_pbb_in): New.
2271 (add_in_sequence): New.
2272 (add_outer_projection): New.
2273 (outer_projection_mupa): New.
2274 (add_loop_schedule): New.
2275 (build_schedule_pbb): New.
2276 (build_schedule_loop): New.
2277 (embed_in_surrounding_loops): New.
2278 (build_schedule_loop_nest): New.
2279 (build_original_schedule): New.
2280 (build_poly_scop): Call build_original_schedule.
2281 * graphite.h: Declare print_isl_schedule and debug_isl_schedule.
2282 (free_poly_dr): Remove.
2283 (struct poly_bb): Add iterators. Remove schedule, transformed, saved.
2284 (free_poly_bb): Remove.
2285 (debug_loop_vec): Remove.
2286 (print_isl_ast): Declare.
2287 (debug_isl_ast): Declare.
2288 (scop_do_interchange): Remove.
2289 (scop_do_strip_mine): Remove.
2290 (scop_do_block): Remove.
2291 (flatten_all_loops): Remove.
2292 (optimize_isl): Remove.
2293 (pbb_number_of_iterations_at_time): Remove.
2294 (debug_scop_pbb): Declare.
2295 (print_schedule_ast): Declare.
2296 (debug_schedule_ast): Declare.
2297 (struct scop): Remove schedule. Add original_schedule,
2298 transformed_schedule.
2299 (free_gimple_poly_bb): Remove.
2300 (print_generated_program): Remove.
2301 (debug_generated_program): Remove.
2302 (unify_scattering_dimensions): Remove.
2303 * sese.c (print_edge): ... here.
2304 (print_sese): ... here.
2305 (debug_edge): ... here.
2306 (debug_sese): ... here.
2307 * sese.h (print_edge): Declare.
2308 (print_sese): Declare.
2309 (dump_edge): Declare.
2310 (dump_sese): Declare.
2312 2016-01-25 Aditya Kumar <aditya.k7@samsung.com>
2313 Sebastian Pop <s.pop@samsung.com>
2315 * Makefile.in: Set ISLVER in site.exp.
2317 2016-01-25 Jakub Jelinek <jakub@redhat.com>
2319 * omp-low.c (lower_omp_target) <case USE_DEVICE_PTR>: Set
2320 DECL_VALUE_EXPR of new_var even for the non-array case. Look
2321 through DECL_VALUE_EXPR for expansion.
2323 2016-01-25 Bernd Edlinger <bernd.edlinger@hotmail.de>
2325 * config/mips/mips.c (mips_compute_frame_info): Skip re-computing
2326 the frame info after reload completed.
2328 2016-01-25 Jeff Law <law@redhat.com>
2330 PR tree-optimization/69196
2331 PR tree-optimization/68398
2332 * tree-ssa-threadupdate.h (enum bb_dom_status): Moved here from
2333 tree-ssa-threadupdate.c.
2334 (determine_bb_domination_status): Prototype
2335 * tree-ssa-threadupdate.c (enum bb_dom_status): Remove
2336 (determine_bb_domination_status): No longer static.
2337 (valid_jump_thread_path): Remove code to detect characteristics
2338 of the jump thread path not associated with correctness.
2339 * tree-ssa-threadbackward.c (fsm_find_control_statment_thread_paths):
2340 Correct test for thread path length. Count PHIs for real operands as
2341 statements that need to be copied. Do not count ASSERT_EXPRs.
2342 Look at all the blocks in the thread path. Compute and selectively
2343 filter thread paths based on threading through the latch, threading
2344 a multiway branch or crossing a multiway branch.
2346 2016-01-25 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2348 * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled): Add
2349 decl with __attribute__ ((unused)) annotation.
2351 2016-01-25 Ilya Enkovich <enkovich.gnu@gmail.com>
2354 * tree-vect-stmts.c (vectorizable_condition): Check vectype
2355 of operands is compatible with a statement vectype.
2357 2016-01-25 Eric Botcazou <ebotcazou@adacore.com>
2359 * doc/extend.texi (scalar_storage_order type attribute): Fix typo and
2360 improve wording for mixed storage order support.
2362 2016-01-25 Bilyan Borisov <bilyan.borisov@arm.com>
2364 * config/aarch64/arm_neon.h (vcvt_s64_f64): New intrinsic.
2365 (vcvt_u64_f64): Likewise.
2366 (vcvta_s64_f64): Likewise.
2367 (vcvta_u64_f64): Likewise.
2368 (vcvtm_s64_f64): Likewise.
2369 (vcvtm_u64_f64): Likewise.
2370 (vcvtn_s64_f64): Likewise.
2371 (vcvtn_u64_f64): Likewise.
2372 (vcvtp_s64_f64): Likewise.
2373 (vcvtp_u64_f64): Likewise.
2375 2016-01-25 Claudiu Zissulescu <claziss@synopsys.com>
2377 * config/arc/arc.c (TARGET_DWARF_REGISTER_SPAN): Define.
2378 (arc_init): Check validity mll64 option.
2379 (arc_save_restore): Use double load/store instruction.
2380 (arc_expand_movmem): Likewise.
2381 (arc_split_move): Don't split if we have double load/store
2382 instructions. Returns a boolean.
2383 (arc_process_double_reg_moves): Change function to return boolean
2384 instead of a sequence of instructions.
2385 (arc_dwarf_register_span): New function.
2386 * config/arc/arc-protos.h (arc_split_move): Change prototype.
2387 * config/arc/arc.h (TARGET_CPU_CPP_BUILTINS): Define __ARC_LL64__.
2388 * config/arc/arc.md (*movdi_insn): Emit ldd/std instructions.
2389 (*movdf_insn): Likewise.
2390 * config/arc/arc.opt (mll64): New option.
2391 * config/arc/predicates.md (even_register_operand): New predicate.
2392 * doc/invoke.texi (ARC Options): Add mll64 documentation.
2394 2016-01-25 Richard Biener <rguenther@suse.de>
2397 * dwarf2out.c (is_naming_typedef_decl): Not when DECL_NAMELESS.
2398 * tree-streamer-out.c (pack_ts_base_value_fields): Stream
2400 * tree-streamer-in.c (unpack_ts_base_value_fields): Likewise.
2402 2016-01-25 Richard Biener <rguenther@suse.de>
2404 PR tree-optimization/69376
2405 * tree-ssa-sccvn.h (struct vn_ssa_aux): Add range_info_anti_range_p
2407 (VN_INFO_ANTI_RANGE_P): New inline.
2408 (VN_INFO_RANGE_TYPE): Likewise.
2409 * tree-ssa-sccvn.c (set_ssa_val_to): Also record and copy
2410 SSA_NAME_ANTI_RANGE_P.
2411 (free_scc_vn): Restore SSA_NAME_ANTI_RANGE_P.
2412 * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
2413 Properly query VN_INFO_RANGE_TYPE.
2415 2016-01-25 Nick Clifton <nickc@redhat.com>
2418 * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Remove definition.
2420 2016-01-23 Tom de Vries <tom@codesourcery.com>
2422 PR tree-optimization/69426
2423 * tree-parloops.c (eliminate_local_variables_stmt): Handle vdef of
2426 2016-01-23 Jakub Jelinek <jakub@redhat.com>
2428 * tree-ssanames.c (release_free_names_and_compact_live_names): Replace
2429 "the the" with "the" in the comments.
2430 * ipa-devirt.c (build_type_inheritance_graph,
2431 update_type_inheritance_graph): Likewise.
2432 * tree.c (build_function_type_list_1): Likewise.
2433 * cfgloopmanip.c (scale_loop_profile): Likewise.
2434 * tree-ssa-loop-ivopts.c (get_shiftadd_cost): Likewise.
2435 * gimple-ssa-split-paths.c
2436 (find_block_to_duplicate_for_splitting_paths): Likewise.
2437 * tree-sra.c (init_subtree_with_zero, clobber_subtree): Likewise.
2438 * expr.c (convert_move): Likewise.
2439 * var-tracking.c (vt_stack_adjustments): Likewise.
2440 * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Likewise.
2441 * tree-vrp.c (test_for_singularity): Likewise.
2443 * tree-vect-stmts.c (vectorizable_condition): Build a VEC_COND_EXPR
2444 directly instead of building a temporary tree.
2447 * genrecog.c: Define INCLUDE_ALGORITHM before including system.h,
2448 remove <algorithm> include.
2450 2016-01-22 Jakub Jelinek <jakub@redhat.com>
2453 * config/i386/i386.c: Include dojump.h.
2454 (expand_small_movmem_or_setmem,
2455 expand_set_or_movmem_prologue_epilogue_by_misaligned_moves): Spelling
2457 (ix86_expand_set_or_movmem): Call do_pending_stack_adjust () early
2458 if dynamic_check != -1.
2460 2016-01-21 Jeff Law <law@redhat.com>
2463 * tree-ssa-dom.c (back_propagate_equivalences): Factored out of
2464 record_temporary_equivalences. Rewritten to avoid unnecessary calls
2465 into dominated_by_p.
2466 (cprop_into_successor_phis): Avoid unnecessary tests.
2468 2016-01-22 Richard Henderson <rth@redhat.com>
2471 * config/aarch64/aarch64.md (UNSPEC_NZCV): New.
2472 (ccmp<mode>, fccmp<mode>, fccmpe<mode>): Use it.
2474 2016-01-22 Michael Matz <matz@suse.de>
2476 * system.h (string, algorithm): Include only conditionally.
2477 (new): Include always under C++.
2478 * bb-reorder.c (toplevel): Define INCLUDE_ALGORITHM.
2479 * final.c (toplevel): Ditto.
2480 * ipa-chkp.c (toplevel): Define INCLUDE_STRING.
2481 * genconditions.c (write_header): Make gencondmd.c define
2483 * mem-stats.h (mem_usage::print_dash_line): Don't use std::string.
2485 * config/aarch64/aarch64.c (toplevel): Define INCLUDE_STRING.
2486 * common/config/aarch64/aarch64-common.c (toplevel): Ditto.
2488 2016-01-22 Christian Bruel <christian.bruel@st.com>
2491 * expr.c (expand_expr_real_1): Reset DECL_MODE if VECTOR_TYPE_P changed.
2493 2016-01-22 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
2496 * config/arm/thumb2.md (*thumb2_ior_scc_strict_it): Convert to
2497 define_insn_and_split. Ensure operands[1] and operands[0] do not
2498 get assigned the same register.
2500 2016-01-22 Kugan Vivekanandarajah <kuganv@linaro.org>
2502 * ipa-prop.c (ipa_set_jf_constant): Remove redundant unshare_expr.
2504 2016-01-22 Christian Bruel <christian.bruel@st.com>
2506 * config/arm/arm-c.c (arm_pragma_target_parse):
2507 Remove warn_builtin_macro_redefined overwrite.
2509 2016-01-22 Eric Botcazou <ebotcazou@adacore.com>
2511 * ipa-inline.c (can_inline_edge_p): Back out overzealous check on
2512 flag_non_call_exceptions compatibility.
2514 2016-01-22 Jakub Jelinek <jakub@redhat.com>
2517 * dwarf2out.c (add_child_die_after): New function.
2518 (dwarf_qual_info_t): New type.
2519 (dwarf_qual_info): New variable.
2520 (qualified_die_p): New function.
2521 (modified_type_die): For -fdebug-types-section, ensure
2522 canonical order of qualifiers. Put qualified DIEs adjacent
2523 to the corresponding non-qualified type DIE and search there
2524 for existing qualified DIEs.
2526 2016-01-22 Eric Botcazou <ebotcazou@adacore.com>
2528 * doc/extend.texi (scalar_storage_order type attribute): Document
2529 restriction on type punning and aliasing, and remove future tense.
2531 2016-01-21 Roman Zhuykov <zhroma@ispras.ru>
2534 * modulo-sched.c (optimize_sc): Allow branch-scheduling to add a new
2537 2016-01-21 Jeff Law <law@redhat.com>
2540 * tree-ssa-dom.c (dom_opt_dom_walker::thread_across_edge): Avoid
2541 useless call to record_temporary_equivalences.
2542 * tree-ssa-threadbackward.c (find_jump_threads_backwards): Just
2543 allocate 10 slots in the bb_path vector and let it grow as needed.
2544 (fsm_find_control_statement_thread_paths): Similarly for the next_path
2547 2016-01-21 David Edelsohn <dje.gcc@gmail.com>
2549 * configure.ac (gcc_cv_as_powerpc_mfcrf, gcc_cv_as_machine_directive):
2551 * configure: Regenerate.
2553 2016-01-21 Pat Haugen <pthaugen@us.ibm.com>
2555 * config/rs6000/aix71.h (ASM_CPU_SPEC): Add entry for Power9.
2556 * config/rs6000/driver-rs6000.c (struct asm_names): Likewise.
2558 2016-01-21 Bernd Schmidt <bschmidt@redhat.com>
2561 * expr.c (expand_expr_real_2) [PLUS_EXPR, MINUS_EXPR]: Don't
2562 drop EXPAND_INITIALIZER.
2563 * rtl.h (contains_symbolic_reference_p): Declare.
2564 * rtlanal.c (contains_symbolic_reference_p): New function.
2565 * simplify-rtx.c (simplify_binary_operation_1): Don't turn
2566 a subtraction into a NOT if symbolic constants are involved.
2568 2016-01-21 Anton Blanchard <anton@samba.org>
2569 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2572 * config/rs6000/linux64.h (TARGET_KEEP_LEAF_WHEN_PROFILED): New
2574 * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled): New
2577 2016-01-21 Ajit Agarwal <ajitkum@xilinx.com>
2579 * config/microblaze/microblaze.c
2580 (get_branch_target): New.
2581 (insert_wic_for_ilb_runout): New.
2583 (microblaze_machine_dependent_reorg): New.
2584 (TARGET_MACHINE_DEPENDENT_REORG): Define macro.
2585 * config/microblaze/microblaze.md
2586 (UNSPEC_IPREFETCH): Define.
2587 (iprefetch): New pattern
2588 * config/microblaze/microblaze.opt
2589 (mxl-prefetch): New flag.
2591 2016-01-21 Ajit Agarwal <ajitkum@xilinx.com>
2593 * config/microblaze/microblaze.h
2594 (FIXED_REGISTERS): Update in macro.
2595 (CALL_USED_REGISTERS): Update in macro.
2597 2016-01-21 Yuri Rumyantsev <ysrumyan@gmail.com>
2599 PR rtl-optimization/68920
2600 * ifcvt.c (cond_move_process_if_block): Limit number of conditional
2603 2016-01-21 Vladimir Makarov <vmakarov@redhat.com>
2605 PR rtl-optimization/68990
2606 * lra-coalesce.c (lra_coalesce): Invalidate value for the result
2607 pseudo instead of inheritance ones.
2609 2016-01-21 Bernd Edlinger <bernd.edlinger@hotmail.de>
2610 Nick Clifton <nickc@redhat.com>
2614 * config/mips/mips.c (mips_compute_frame_info): Initialise
2615 args_size and hard_frame_pointer_offset fields of the frame
2616 structure before calling mips_global_pointer.
2618 2016-01-21 David Edelsohn <dje.gcc@gmail.com>
2620 * configure.ac (gcc_cv_as_dwloc): Test support for debug frame section
2622 * configure: Regenerate.
2624 2016-01-21 Richard Biener <rguenther@suse.de>
2626 * graphite-optimize-isl.c (get_schedule_map): Fix typo.
2628 2016-01-21 Marcin Kościelnicki <koriakin@0x04.net>
2630 * config/s390/s390.c (s390_asm_declare_function_size): Add code
2631 to actually emit the .size directive.
2633 2016-01-21 Stefan Sørensen <stefan.sorensen@spectralink.com>
2634 Jakub Jelinek <jakub@redhat.com>
2638 * config/arm/arm-builtins.c (arm_expand_neon_builtin): Increase
2639 args array size by one to avoid buffer overflow.
2641 2016-01-21 Marcin Kościelnicki <koriakin@0x04.net>
2643 * config/s390/s390.md (pool_section_start): Use switch_to_section
2644 to select proper read-only data section instead of hardcoding
2646 (pool_section_end): Use switch_to_section to match the above.
2648 2016-01-21 Richard Biener <rguenther@suse.de>
2650 PR tree-optimization/69378
2651 * tree-ssa-sccvn.c (dominated_by_p_w_unex): New function.
2652 (set_ssa_val_to): Use it for dominance checks taking into
2653 account not executable edges.
2655 2016-01-21 Jakub Jelinek <jakub@redhat.com>
2658 * tree-dfa.c (get_ref_base_and_extent): Use GET_MODE_BITSIZE (mode)
2659 for bitsize instead of GET_MODE_PRECISION (mode).
2661 2016-01-20 Martin Sebor <msebor@redhat.com>
2664 * extend.texi (__sync Builtins): Clarify the semantics of
2665 __sync_fetch_and_OP built-ins on pointers.
2666 (__atomic Builtins): Same.
2668 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
2669 Sebastian Pop <s.pop@samsung.com>
2671 * graphite-isl-ast-to-gimple.c (enum phi_node_kind): New.
2672 (class translate_isl_ast_to_gimple): Use phi_node_kind instead of bool.
2673 (is_valid_rename): Same.
2674 (translate_isl_ast_to_gimple::get_rename): Same.
2675 (translate_isl_ast_to_gimple::rename_all_uses): Same.
2676 (translate_isl_ast_to_gimple::rename_uses): Same.
2677 (get_new_name): Check for close_phi nodes.
2678 (copy_loop_phi_args): Use phi_node_kind.
2679 (translate_isl_ast_to_gimple::copy_loop_close_phi_args): Same.
2680 (translate_isl_ast_to_gimple::copy_cond_phi_args): Same.
2682 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
2683 Sebastian Pop <s.pop@samsung.com>
2685 Revert commit r229783.
2686 * graphite-isl-ast-to-gimple.c (gcc_expression_from_isl_ast_expr_id):
2687 Remove use of parameter_rename_map.
2689 (copy_internal_parameters): Remove.
2690 (graphite_regenerate_ast_isl): Remove call to copy_internal_parameters.
2691 * sese.c (new_sese_info): Do not initialize parameter_rename_map.
2692 (free_sese_info): Do not free parameter_rename_map.
2693 (set_rename): Do not use parameter_rename_map.
2694 (rename_uses): Update call to set_rename.
2695 (graphite_copy_stmts_from_block): Do not use parameter_rename_map.
2696 * sese.h (parameter_rename_map_t): Remove.
2697 (struct sese_info_t): Remove field parameter_rename_map.
2699 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
2700 Sebastian Pop <s.pop@samsung.com>
2702 * graphite-isl-ast-to-gimple.c: Fix comment.
2703 * graphite-scop-detection.c (defined_in_loop_p): New.
2704 (canonicalize_loop_closed_ssa): Do not add close phi nodes for SSA
2705 names defined in loop.
2707 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
2708 Sebastian Pop <s.pop@samsung.com>
2710 * graphite-scop-detection.c (scop_detection::harmful_loop_in_region):
2711 Discard unstructured if-then-else regions.
2713 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
2714 Sebastian Pop <s.pop@samsung.com>
2716 * graphite-sese-to-poly.c (set_scop_parameter_dim): Remove.
2717 (cleanup_loop_iter_dom): Remove.
2718 (build_loop_iteration_domains): Remove.
2719 (build_scop_context): Remove.
2720 (build_scop_iteration_domain): Remove.
2721 (add_loop_constraints): New.
2722 (build_iteration_domains): New.
2723 (build_poly_scop): Call build_iteration_domains.
2725 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
2726 Sebastian Pop <s.pop@samsung.com>
2728 * graphite-scop-detection.c
2729 (scop_detection::harmful_loop_in_region): Free dom and loops.
2730 (scop_detection::loop_body_is_valid_scop): Free bbs.
2732 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
2733 Sebastian Pop <s.pop@samsung.com>
2735 * graphite-scop-detection.c (record_loop_in_sese): New.
2736 (gather_bbs::before_dom_children): Call record_loop_in_sese.
2737 (build_scops): Remove call to build_sese_loop_nests.
2738 * sese.c (sese_record_loop): Remove.
2739 (build_sese_loop_nests): Remove.
2740 (new_sese_info): Remove region->loops.
2741 (free_sese_info): Same.
2742 * sese.h (sese_contains_loop): Same.
2743 (build_sese_loop_nests): Remove.
2744 (sese_contains_loop): Remove.
2746 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
2747 Sebastian Pop <s.pop@samsung.com>
2749 * graphite-scop-detection.c (loop_is_valid_scop): Renamed
2750 loop_is_valid_in_scop.
2751 (scop_detection::harmful_stmt_in_region): Renamed
2752 harmful_loop_in_region.
2753 Call loop_is_valid_in_scop.
2755 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
2756 Sebastian Pop <s.pop@samsung.com>
2758 * graphite-isl-ast-to-gimple.c (translate_isl_ast): Also handle
2761 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
2762 Sebastian Pop <s.pop@samsung.com>
2764 * graphite-poly.c (new_poly_bb): Remove use of PBB_IS_REDUCTION.
2765 * graphite.h (struct poly_bb): Remove field is_reduction.
2766 (PBB_IS_REDUCTION): Remove.
2768 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
2769 Sebastian Pop <s.pop@samsung.com>
2771 * graphite-dependences.c (constrain_domain): Add call to isl_*_coalesce.
2772 (add_pdr_constraints): Same.
2773 (scop_get_reads): Same.
2774 (scop_get_must_writes): Same.
2775 (scop_get_may_writes): Same.
2776 (scop_get_original_schedule): Same.
2777 (extend_schedule): Same.
2778 (apply_schedule_on_deps): Same.
2779 (carries_deps): Same.
2780 (compute_deps): Same.
2781 (scop_get_dependences): Same.
2782 * graphite-isl-ast-to-gimple.c
2783 (translate_isl_ast_to_gimple::generate_isl_schedule): Same.
2784 * graphite-optimize-isl.c (get_schedule_for_band): Same.
2785 (get_schedule_for_band_list): Same.
2786 (get_schedule_map): Same.
2787 (apply_schedule_map_to_scop): Same.
2788 * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
2789 (build_loop_iteration_domains): Same.
2790 (add_condition_to_pbb): Same.
2791 (add_param_constraints): Same.
2792 (pdr_add_memory_accesses): Same.
2793 (pdr_add_data_dimensions): Same.
2795 2016-01-20 Sandra Loosemore <sandra@codesourcery.com>
2797 * doc/invoke.texi (Instrumentation Options): Clarify -mmpx linking
2800 2016-01-20 Sandra Loosemore <sandra@codesourcery.com>
2802 * common.opt (feliminate-dwarf2-dups): Replace references to
2803 "DWARF 2" with just "DWARF".
2804 * config/ia64/ia64.opt (mdwarf2-asm): Likewise.
2805 * doc/extend.texi: Likewise.
2806 * doc/cpp.texi: Likewise.
2807 * doc/invoke.texi: Likewise.
2808 (Option Summary): Add -gdwarf to list of Debugging Options.
2809 (Debugging Options): Document -gdwarf.
2810 * doc/contrib.texi: Spell "DWARF" like that.
2812 2016-01-21 Jakub Jelinek <jakub@redhat.com>
2814 * omp-low.c (expand_omp_target): Avoid -Wmaybe-uninitialized
2815 warning. Fix up formatting.
2818 * gimplify.c (gimplify_asm_expr): Warn if it is too late to
2819 attempt to mark memory input operand addressable and
2820 call prepare_gimple_addressable in that case. Don't adjust
2821 input_location for diagnostics, use error_at instead.
2823 2016-01-20 Peter Bergner <bergner@vnet.ibm.com>
2825 * config/rs6000/ppc-auxv.h: New file.
2826 * config/rs6000/rs6000-builtin.def (cpu_init): Add new builtin.
2828 (cpu_supports): Likewise.
2829 * config/rs6000/rs6000.c: include "ppc-auxv.h".
2830 (cpu_is_info): New variable.
2831 (cpu_supports_info): Likewise.
2832 (tcb_verification_symbol): Likewise.
2833 (cpu_builtin_p): Likewise.
2834 (cpu_expand_builtin): New function.
2835 (rs6000_expand_ternop_builtin): Add support for CPU builtin functions.
2836 (rs6000_init_builtins): Likewise.
2837 (rs6000_elf_file_end): Emit HWCAP in TCB verification symbol.
2838 * config/rs6000/rs6000.h (TLS_REGNUM): New define.
2839 * configure.ac (gcc_cv_libc_provides_hwcap_in_tcb): New test.
2840 * configure: Regenerate.
2841 * config.in: Likewise.
2842 * doc/extend.texi (PowerPC Built-in Functions): Document
2843 __builtin_cpu_init, __builtin_cpu_is and __builtin_cpu_supports.
2845 2016-01-20 David Edelsohn <dje.gcc@gmail.com>
2848 * config/rs6000/rs6000.c (rs6000_emit_swsqrt): Add vector sqrt
2850 * config/rs6000/vector.md (sqrt<mode>2): Call rs6000_emit_swsqrt
2853 2016-01-20 Richard Henderson <rth@redhat.com>
2859 * tree.c (tm_define_builtin): New.
2860 (find_tm_vector_type): New.
2861 (build_tm_vector_builtins): New.
2862 (build_common_builtin_nodes): Call it.
2864 2016-01-20 Christophe Lyon <christophe.lyon@linaro.org>
2866 * doc/sourcebuild.texi (arm_crypto_pragma_ok): Document new entry.
2867 (arm_fp_ok): Likewise.
2869 (arm_crypto): Likewise.
2871 2016-01-20 Ilya Enkovich <enkovich.gnu@gmail.com>
2872 Richard Biener <rguenther@suse.de>
2874 PR tree-optimization/69328
2875 * tree-vect-stmts.c (vect_is_simple_cond): Check compared
2876 vectors have same number of elements.
2877 (vectorizable_condition): Fix masked version recognition.
2879 2016-01-20 Richard Biener <rguenther@suse.de>
2881 PR tree-optimization/69345
2882 * tree-ssa-sccvn.h (VN_INFO_RANGE_INFO): New inline function.
2883 (VN_INFO_PTR_INFO): Likewise.
2884 * tree-ssa-sccvn.c (set_ssa_val_to): Avoid clearing points-to
2885 info when it is equal between non-dominating SSA names.
2886 * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
2887 Make sure to look at original SSA infos.
2889 2016-01-20 Jeff Law <law@redhat.com>
2892 * config/m68k/predicates.md (pow2_m1_operand): New predicate
2894 (reg_or_pow2_m1_operand): Call pow2_m1_operand.
2895 (pc_or_label_operand): New predicate.
2896 * config/m68k/m68k.md: Add new peephole2 patterns for GTU/LEU
2897 tests for small integers that are 2^n - 1.
2899 2016-01-20 Jonathan Wakely <jwakely@redhat.com>
2901 * doc/invoke.texi (Options Summary): Add '.' after @xref.
2903 2016-01-19 Jeff Law <law@redhat.com>
2906 * tree-ssa-threadbackwards.c
2907 (fsm_find_control_statement_thread_paths): Do not try to lookup
2908 FSM paths for SSA_NAMEs appearing in abnormal PHIs.
2910 2016-01-20 Kugan Vivekanandarajah <kuganv@linaro.org>
2912 * doc/lto.texi: Remove text that says only Gold has linker plugin
2915 2016-01-19 Eric Botcazou <ebotcazou@adacore.com>
2917 * dwarf2out.c (need_endianity_attribute_p): New inline predicate.
2918 (base_type_die): Add REVERSE parameter and attach DW_AT_endianity to
2919 the DIE accordingly.
2920 (modified_type_die): Add REVERSE parameter and pass it recursively,
2921 as well as to base_type_die. Adjust presence check accordingly.
2922 (base_type_for_mode): Adjust call to modified_type_die.
2923 (add_type_attribute): Add REVERSE parameter and pass it to
2925 (generic_parameter_die): Adjust call to add_type_attribute.
2926 (add_scalar_info): Likewise.
2927 (add_subscript_info): Likewise.
2928 (gen_array_type_die): Likewise.
2929 (gen_descr_array_type_die): Likewise.
2930 (gen_entry_point_die): Likewise.
2931 (gen_enumeration_type_die): Likewise.
2932 (gen_formal_parameter_die): Likewise.
2933 (gen_subprogram_die): Likewise.
2934 (gen_variable_die ): Likewise.
2935 (gen_const_die): Likewise.
2936 (gen_field_die): Likewise.
2937 (gen_pointer_type_die): Likewise.
2938 (gen_reference_type_die): Likewise.
2939 (gen_ptr_to_mbr_type_die): Likewise.
2940 (gen_inheritance_die): Likewise.
2941 (gen_subroutine_type_die): Likewise.
2942 (gen_typedef_die): Likewise.
2943 (force_type_die): Adjust call to modified_type_die.
2945 2016-01-19 Sandra Loosemore <sandra@codesourcery.com>
2947 * doc/standards.texi: Copy-editing for grammar, markup, and sentence
2948 flow throughout the file. Fix broken link to Objective-C 2.0
2950 * doc/invoke.texi: More copy-editing; fix numerous typos and spelling
2953 2016-01-19 Wilco Dijkstra <wdijkstr@arm.com>
2955 * ccmp.c (expand_ccmp_expr_1): Avoid spurious unused warnings.
2957 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
2960 * ipa-devirt.c (is_cxa_pure_virtual_p): New function.
2961 (maybe_record_node): Record cxa_pure_virtual as the only possible
2962 target if there are not ohter candidates.
2963 (possible_polymorphic_call_target_p): Accept cxa_pure_virtual.
2965 2016-01-19 Richard Biener <rguenther@suse.de>
2967 * hsa-gen.c (get_memory_order_name): Use MEMMODEL_ constants.
2968 (get_memory_order): Likewise.
2970 2016-01-19 Kirill Yukhin <kirill.yukhin@intel.com>
2972 * tree-vect-stmts.c (vectorizable_store): Check
2975 2016-01-19 David Malcolm <dmalcolm@redhat.com>
2978 * gcc.c (driver::decode_argv): Add call to
2979 init_opts_obstack before init_options_struct.
2980 * opts.c (init_opts_obstack): Remove idempotency.
2981 (init_options_struct): Replace call to init_opts_obstack
2982 with a gcc_assert to verify that it has already been called.
2983 * toplev.c (toplev::main): Add call to init_opts_obstack before
2984 calls to init_options_struct.
2985 (toplev::finalize): Move cleanup of opts_obstack next to
2986 cleanup of save_decoded_options, clearing the latter, and
2987 save_decoded_options_count.
2989 2016-01-19 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
2992 * config/arm/vfp.md (l<vrint_pattern><su_optab><mode>si2): Set "conds"
2993 attribute to unconditional. Remove %? from output template.
2995 2015-01-19 Wilco Dijkstra <wdijkstr@arm.com>
2996 Jiong Wang <jiong.wang@arm.com>
2998 * ccmp.c (expand_ccmp_expr_1): Cost the instruction sequences
2999 generated from different expand order.
3001 2015-01-19 Wilco Dijkstra <wdijkstr@arm.com>
3003 * /config/aarch64/aarch64.c (aarch64_if_then_else_costs):
3004 Add support for CCMP costing.
3006 2015-01-19 Wilco Dijkstra <wdijkstr@arm.com>
3008 * ccmp.c (ccmp_candidate_p): Remove integer-only restriction.
3009 * config/aarch64/aarch64.md (fccmp<mode>): New pattern.
3010 (fccmpe<mode>): Likewise.
3011 (fcmp): Rename to fcmp and globalize pattern.
3013 * config/aarch64/aarch64.c (aarch64_gen_ccmp_first): Add FP support.
3014 (aarch64_gen_ccmp_next): Add FP support.
3016 2015-01-19 Wilco Dijkstra <wdijkstr@arm.com>
3018 * target.def (gen_ccmp_first): Update documentation.
3019 (gen_ccmp_next): Likewise.
3020 * doc/tm.texi (gen_ccmp_first): Update documentation.
3021 (gen_ccmp_next): Likewise.
3022 * ccmp.c (expand_ccmp_expr): Extract cmp_code from return value of
3023 expand_ccmp_expr_1. Improve comments.
3024 * config/aarch64/aarch64.md (ccmp_and): Use if_then_else for ccmp.
3025 (ccmp_ior<mode>): Remove pattern.
3026 (cmp<mode>): Remove expand.
3027 (cmp): Globalize pattern.
3028 (cstorecc4): Use cc_register.
3029 (mov<mode>cc): Remove ccmp_cc_register check.
3030 * config/aarch64/aarch64.c (aarch64_get_condition_code_1):
3031 Simplify after removal of CC_DNE/* modes.
3032 (aarch64_ccmp_mode_to_code): Remove.
3033 (aarch64_print_operand): Remove 'K' case. Merge 'm' and 'M' cases.
3034 In 'k' case use integer as condition.
3035 (aarch64_nzcv_codes): Remove inverted cases.
3036 (aarch64_code_to_ccmode): Remove.
3037 (aarch64_gen_ccmp_first): Use cmp pattern directly. Return the correct
3038 comparison with CC register to be used in folowing CCMP/branch/CSEL.
3039 (aarch64_gen_ccmp_next): Use previous comparison and mode in CCMP
3040 pattern. Return the comparison with CC register. Invert conditions
3042 * config/aarch64/aarch64-modes.def: Remove CC_DNE/* modes.
3043 * config/aarch64/predicates.md (ccmp_cc_register): Remove.
3045 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
3047 * cgraphunit.c (cgraph_node::reset): Clear thunk info and
3048 instrumented_version.
3050 2016-01-19 Richard Biener <rguenther@suse.de>
3052 PR tree-optimization/69336
3053 * tree-ssa-scopedtables.c (avail_expr_hash): Handle all
3054 handled components with get_ref_base_and_extent.
3055 (equal_mem_array_ref_p): Adjust.
3057 2016-01-19 Jakub Jelinek <jakub@redhat.com>
3060 * shrink-wrap.c: Include valtrack.h.
3061 (move_insn_for_shrink_wrap): Add DEBUG argument. If
3062 MAY_HAVE_DEBUG_INSNS, call dead_debug_add on DEBUG_INSNs
3063 in between insn and where it will be moved to. Call
3064 dead_debug_insert_temp.
3065 (prepare_shrink_wrap): Adjust caller. Call dead_debug_local_init
3066 first and dead_debug_local_finish at the end.
3067 For uses and defs bitmap, handle all regs in between REGNO and
3068 END_REGNO, not just the first one.
3070 2016-01-19 Richard Biener <rguenther@suse.de>
3072 PR tree-optimization/69352
3073 * tree-ssa-scopedtables.c (avail_expr_hash): Check for size == -1.
3074 (equal_mem_array_ref_p): Constrain size and max size properly.
3075 Compare the reverse flag.
3077 2016-01-19 Bernd Schmidt <bschmidt@redhat.com>
3079 * ira.c (ira): Update regstat data if we deleted insns.
3081 2016-01-19 Jakub Jelinek <jakub@redhat.com>
3083 PR rtl-optimization/68955
3084 PR rtl-optimization/64557
3085 * dse.c (record_store, check_mem_read_rtx): Don't call get_addr
3086 here. Fix up formatting.
3087 * alias.c (get_addr): Handle VALUE +/- CONST_SCALAR_INT_P.
3089 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
3092 * cgraphunit.c (cgraph_node::expand_thunk): When forcing gimple
3093 assume that the node has body.
3094 * cgraph.c (cgraph_node::get_untransformed_body): Use gimple_body_p
3097 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
3099 * lto-streamer-out.c (lto_output): Do not stream instrumentation
3102 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
3104 * symtab.c (symtab_node::asm_name): Do not call printable name directly.
3105 (symtab_node::name): Report name as unnamed if DECL_NAME is not set.
3107 2016-01-19 Martin Jambor <mjambor@suse.cz>
3108 Martin Liska <mliska@suse.cz>
3109 Michael Matz <matz@suse.de>
3111 * Makefile.in (OBJS): Add new source files.
3112 (GTFILES): Add hsa.c.
3113 * common.opt (disable_hsa): New variable.
3114 (-Whsa): New warning.
3115 * config.in (ENABLE_HSA): New.
3116 * configure.ac: Treat hsa differently from other accelerators.
3117 (OFFLOAD_TARGETS): Define ENABLE_OFFLOADING according to
3119 (ENABLE_HSA): Define ENABLE_HSA according to $enable_hsa.
3120 * doc/install.texi (Configuration): Document --with-hsa-runtime,
3121 --with-hsa-runtime-include, --with-hsa-runtime-lib and
3123 * doc/invoke.texi (-Whsa): Document.
3124 (hsa-gen-debug-stores): Likewise.
3125 * lto-wrapper.c (compile_images_for_offload_targets): Do not attempt
3126 to invoke offload compiler for hsa acclerator.
3127 * opts.c (common_handle_option): Determine whether HSA offloading
3128 should be performed.
3129 * params.def (PARAM_HSA_GEN_DEBUG_STORES): New parameter.
3130 * builtin-types.def (BT_FN_VOID_UINT_PTR_INT_PTR): New.
3131 (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_INT_INT): Removed.
3132 (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_PTR): New.
3133 * gimple-low.c (lower_stmt): Also handle GIMPLE_OMP_GRID_BODY.
3134 * gimple-pretty-print.c (dump_gimple_omp_for): Also handle
3135 GF_OMP_FOR_KIND_GRID_LOOP.
3136 (dump_gimple_omp_block): Also handle GIMPLE_OMP_GRID_BODY.
3137 (pp_gimple_stmt_1): Likewise.
3138 * gimple-walk.c (walk_gimple_stmt): Likewise.
3139 * gimple.c (gimple_build_omp_grid_body): New function.
3140 (gimple_copy): Also handle GIMPLE_OMP_GRID_BODY.
3141 * gimple.def (GIMPLE_OMP_GRID_BODY): New.
3142 * gimple.h (enum gf_mask): Added GF_OMP_PARALLEL_GRID_PHONY,
3143 GF_OMP_FOR_KIND_GRID_LOOP, GF_OMP_FOR_GRID_PHONY and
3144 GF_OMP_TEAMS_GRID_PHONY.
3145 (gimple_statement_omp_single_layout): Updated comments.
3146 (gimple_build_omp_grid_body): New function.
3147 (gimple_has_substatements): Also handle GIMPLE_OMP_GRID_BODY.
3148 (gimple_omp_for_grid_phony): New function.
3149 (gimple_omp_for_set_grid_phony): Likewise.
3150 (gimple_omp_parallel_grid_phony): Likewise.
3151 (gimple_omp_parallel_set_grid_phony): Likewise.
3152 (gimple_omp_teams_grid_phony): Likewise.
3153 (gimple_omp_teams_set_grid_phony): Likewise.
3154 (gimple_return_set_retbnd): Also handle GIMPLE_OMP_GRID_BODY.
3155 * omp-builtins.def (BUILT_IN_GOMP_OFFLOAD_REGISTER): New.
3156 (BUILT_IN_GOMP_OFFLOAD_UNREGISTER): Likewise.
3157 (BUILT_IN_GOMP_TARGET): Updated type.
3158 * omp-low.c: Include symbol-summary.h, hsa.h and params.h.
3159 (adjust_for_condition): New function.
3160 (get_omp_for_step_from_incr): Likewise.
3161 (extract_omp_for_data): Moved parts to adjust_for_condition and
3162 get_omp_for_step_from_incr.
3163 (build_outer_var_ref): Handle GIMPLE_OMP_GRID_BODY.
3164 (fixup_child_record_type): Bail out if receiver_decl is NULL.
3165 (scan_sharing_clauses): Handle OMP_CLAUSE__GRIDDIM_.
3166 (scan_omp_parallel): Do not create child functions for phony
3168 (check_omp_nesting_restrictions): Handle GIMPLE_OMP_GRID_BODY.
3169 (scan_omp_1_op): Checking assert we are not remapping to
3170 ERROR_MARK. Also also handle GIMPLE_OMP_GRID_BODY.
3171 (parallel_needs_hsa_kernel_p): New function.
3172 (expand_parallel_call): Register apprpriate parallel child
3173 functions as HSA kernels.
3174 (grid_launch_attributes_trees): New type.
3175 (grid_attr_trees): New variable.
3176 (grid_create_kernel_launch_attr_types): New function.
3177 (grid_insert_store_range_dim): Likewise.
3178 (grid_get_kernel_launch_attributes): Likewise.
3179 (get_target_argument_identifier_1): Likewise.
3180 (get_target_argument_identifier): Likewise.
3181 (get_target_argument_value): Likewise.
3182 (push_target_argument_according_to_value): Likewise.
3183 (get_target_arguments): Likewise.
3184 (expand_omp_target): Call get_target_arguments instead of looking
3185 up for teams and thread limit.
3186 (grid_expand_omp_for_loop): New function.
3187 (grid_arg_decl_map): New type.
3188 (grid_remap_kernel_arg_accesses): New function.
3189 (grid_expand_target_kernel_body): New function.
3190 (expand_omp): Call it.
3191 (lower_omp_for): Do not emit phony constructs.
3192 (lower_omp_taskreg): Do not emit phony constructs but create for them
3193 a temporary variable receiver_decl.
3194 (lower_omp_taskreg): Do not emit phony constructs.
3195 (lower_omp_teams): Likewise.
3196 (lower_omp_grid_body): New function.
3197 (lower_omp_1): Call it.
3198 (grid_reg_assignment_to_local_var_p): New function.
3199 (grid_seq_only_contains_local_assignments): Likewise.
3200 (grid_find_single_omp_among_assignments_1): Likewise.
3201 (grid_find_single_omp_among_assignments): Likewise.
3202 (grid_find_ungridifiable_statement): Likewise.
3203 (grid_target_follows_gridifiable_pattern): Likewise.
3204 (grid_remap_prebody_decls): Likewise.
3205 (grid_copy_leading_local_assignments): Likewise.
3206 (grid_process_kernel_body_copy): Likewise.
3207 (grid_attempt_target_gridification): Likewise.
3208 (grid_gridify_all_targets_stmt): Likewise.
3209 (grid_gridify_all_targets): Likewise.
3210 (execute_lower_omp): Call grid_gridify_all_targets.
3211 (make_gimple_omp_edges): Handle GIMPLE_OMP_GRID_BODY.
3212 * tree-core.h (omp_clause_code): Added OMP_CLAUSE__GRIDDIM_.
3213 (tree_omp_clause): Added union field dimension.
3214 * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE__GRIDDIM_.
3215 * tree.c (omp_clause_num_ops): Added number of arguments of
3216 OMP_CLAUSE__GRIDDIM_.
3217 (omp_clause_code_name): Added name of OMP_CLAUSE__GRIDDIM_.
3218 (walk_tree_1): Handle OMP_CLAUSE__GRIDDIM_.
3219 * tree.h (OMP_CLAUSE_GRIDDIM_DIMENSION): New.
3220 (OMP_CLAUSE_SET_GRIDDIM_DIMENSION): Likewise.
3221 (OMP_CLAUSE_GRIDDIM_SIZE): Likewise.
3222 (OMP_CLAUSE_GRIDDIM_GROUP): Likewise.
3223 * passes.def: Schedule pass_ipa_hsa and pass_gen_hsail.
3224 * tree-pass.h (make_pass_gen_hsail): Declare.
3225 (make_pass_ipa_hsa): Likewise.
3226 * ipa-hsa.c: New file.
3227 * lto-section-in.c (lto_section_name): Add hsa section name.
3228 * lto-streamer.h (lto_section_type): Add hsa section.
3229 * timevar.def (TV_IPA_HSA): New.
3230 * hsa-brig-format.h: New file.
3231 * hsa-brig.c: New file.
3232 * hsa-dump.c: Likewise.
3233 * hsa-gen.c: Likewise.
3236 * toplev.c (compile_file): Call hsa_output_brig.
3237 * hsa-regalloc.c: New file.
3239 2016-01-18 Jeff Law <law@redhat.com>
3241 PR tree-optimization/69320
3242 * tree-ssa-dom.c (record_edge_info): For comparisons against a boolean
3243 ranged object, do nothing if the RHS constant is not [0..1].
3244 (optimize_stmt): Comparing a boolean ranged object against a
3245 constant outside [0..1] results in a compile-time constant.
3247 * tree-ssanames.c (ssa_name_has_boolean_range): Remove unnecessary
3250 2016-01-18 Sandra Loosemore <sandra@codesourcery.com>
3252 * doc/invoke.texi (Invoking GCC): Add new section to menu.
3253 (Option Summary): Update to reflect new section and moved options.
3254 (C++ Dialect Options): Move -fstats to new section.
3255 (Debugging Options): Move all dump, statistics, and other GCC
3256 developer options to new section. Rewrite section introduction
3257 and re-order remaining options to put the more basic ones first.
3258 (Optimization Options): Move -fira-verbose and -flto-report* to
3260 (Developer Options): New section incorporating moved options.
3261 * doc/cppopts.texi (-dM): Update cross-reference.
3263 2016-01-18 Richard Henderson <rth@redhat.com>
3266 * config/aarch64/aarch64.md (add<GPI>3): Move long immediate
3267 operands to pseudo only if CSE is expected. Split long immediate
3268 operands only after reload, and for the stack pointer.
3269 (*add<GPI>3_pluslong): Remove.
3270 (*addsi3_aarch64, *adddi3_aarch64): Merge into...
3271 (*add<GPI>3_aarch64): ... here. Add r/rk/Upl alternative.
3272 (*addsi3_aarch64_uxtw): Add r/rk/Upl alternative.
3273 (*add<GPI>3 peepholes): New.
3274 (*add<GPI>3 splitters): New.
3275 * config/aarch64/constraints.md (Upl): New.
3276 * config/aarch64/predicates.md (aarch64_pluslong_strict_immedate): New.
3278 2016-01-18 Richard Biener <rguenther@suse.de>
3280 PR tree-optimization/69297
3281 * tree-vect-slp.c (vect_bb_slp_scalar_cost): Count each scalar
3283 (vect_bb_vectorization_profitable_p): Clear visited flag again.
3285 2016-01-18 Yuri Rumyantsev <ysrumyan@gmail.com>
3288 * fold-const.c (fold_binary_op_with_conditional_arg): Bail out for case
3289 of mixind vector and scalar types.
3290 (fold_relational_const): Add handling of vector
3291 comparison with boolean result.
3292 * tree-cfg.c (verify_gimple_comparison): Add argument CODE, allow
3293 comparison of vector operands with boolean result for EQ/NE only.
3294 (verify_gimple_assign_binary): Adjust call for verify_gimple_comparison.
3295 (verify_gimple_cond): Likewise.
3296 * tree-vrp.c (extract_code_and_val_from_cond_with_ops): Modify check on
3299 2016-01-18 Joseph Myers <joseph@codesourcery.com>
3301 * config/mips/mips.h (ISA_HAS_PAIRED_SINGLE): Require
3304 2016-01-18 Richard Biener <rguenther@suse.de>
3307 * gimple.c (gimple_could_trap_p_1): Handle GIMPLE_COND.
3309 2016-01-18 Tom de Vries <tom@codesourcery.com>
3311 * passes.def: Add pass_parallelize_loops to pass_oacc_kernels.
3313 2016-01-18 Tom de Vries <tom@codesourcery.com>
3315 * omp-low.c (set_oacc_fn_attrib): Make extern.
3316 * omp-low.h (set_oacc_fn_attrib): Declare.
3317 * tree-parloops.c (struct reduction_info): Add reduc_addr field.
3318 (create_call_for_reduction_1): Handle case that reduc_addr is non-NULL.
3319 (create_parallel_loop, gen_parallel_loop, try_create_reduction_list):
3320 Add and handle function parameter oacc_kernels_p.
3321 (find_reduc_addr, get_omp_data_i_param): New function.
3322 (ref_conflicts_with_region, oacc_entry_exit_ok_1)
3323 (oacc_entry_exit_single_gang, oacc_entry_exit_ok): New function.
3324 (parallelize_loops): Add and handle function parameter oacc_kernels_p.
3325 Calculate dominance info. Skip loops that are not in a kernels region
3326 in oacc_kernels_p mode. Skip inner loops of parallelized loops.
3327 (pass_parallelize_loops::execute): Call parallelize_loops with
3328 oacc_kernels_p argument.
3329 (pass_parallelize_loops::clone, pass_parallelize_loops::set_pass_param):
3330 New member function.
3331 (pass_parallelize_loops::bool oacc_kernels_p): New member var.
3332 * passes.def: Add argument to pass_parallelize_loops instantation.
3334 2016-01-18 Tom de Vries <tom@codesourcery.com>
3336 * tree-parloops.c (pass_parallelize_loops::execute): Allow
3337 pass_parallelize_loops to be run outside the loop pipeline.
3339 2016-01-18 Alan Lawrence <alan.lawrence@arm.com>
3341 * tree-scalar-evolution.c (follow_copies_to_constant): New.
3342 (analyze_initial_condition, analyze_scalar_evolution_1): Call previous.
3344 2016-01-18 Alan Lawrence <alan.lawrence@arm.com>
3347 * tree-ssa-scopedtables.c (avail_expr_hash): Hash MEM_REF and ARRAY_REF
3348 using get_ref_base_and_extent.
3349 (equal_mem_array_ref_p): New.
3350 (hashable_expr_equal_p): Add call to previous.
3352 2016-01-18 Alan Lawrence <alan.lawrence@arm.com>
3355 * tree-sra.c (disqualified_constants, constant_decl_p): New.
3356 (sra_initialize): Allocate disqualified_constants.
3357 (sra_deinitialize): Free disqualified_constants.
3358 (disqualify_candidate): Update disqualified_constants when appropriate.
3359 (create_access): Scan for constant-pool entries as we go along.
3360 (scalarizable_type_p): Add check against type_contains_placeholder_p.
3361 (maybe_add_sra_candidate): Allow constant-pool entries.
3362 (load_assign_lhs_subreplacements): Bind debug for constant pool vars.
3363 (initialize_constant_pool_replacements): New.
3364 (sra_modify_assign): Avoid mangling assignments created by previous,
3365 and don't generate writes into constant pool.
3366 (sra_modify_function_body): Call initialize_constant_pool_replacements.
3368 2016-01-18 Ilya Enkovich <enkovich.gnu@gmail.com>
3370 * config/i386/i386.c (scalar_to_vector_candidate_p): Support
3372 (scalar_chain::convert_op): Likewise.
3373 * config/i386/i386.md (*andndi3_doubleword): New.
3375 2016-01-18 Richard Biener <rguenther@suse.de>
3377 PR tree-optimization/69170
3378 * tree-vect-slp.c (vect_build_slp_tree): Verify we are not
3379 building a vector from scalar results of a pattern stmt.
3381 2016-01-18 Jakub Jelinek <jakub@redhat.com>
3383 * haifa-sched.c (autopref_multipass_init): Work around
3384 -Wmaybe-uninitialized warning.
3386 2016-01-18 Thomas Preud'homme <thomas.preudhomme@arm.com>
3388 * config/arm/arm.c (thumb1_reorg): Check that the comparison is
3389 against the constant 0.
3391 2016-01-17 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
3393 PR tree-optimization/68799
3394 * gimple-ssa-strength-reduction.c (create_phi_basis): Directly
3395 look up phi candidates in the statement-candidate map.
3396 (phi_add_costs): Likewise.
3397 (record_phi_increments): Likewise.
3398 (phi_incr_cost): Likewise.
3399 (ncd_with_phi): Likewise.
3400 (all_phi_incrs_profitable): Likewise.
3402 2016-01-17 Jakub Jelinek <jakub@redhat.com>
3404 * omp-low.c (mark_loops_in_oacc_kernels_region): Work around
3405 -Wmaybe-uninitialized warning.
3407 2016-01-16 Sandra Loosemore <sandra@codesourcery.com>
3409 * doc/invoke.texi (Invoking GCC): Add new section to menu.
3410 (Option Summary): Update to reflect new section and moved options.
3411 (C++ Dialect Options): Move -fvtable-verify and related options.
3412 (Debugging Options): Move Sanitizer, Pointer Bounds Checker,
3413 and profiling-related options.
3414 (Optimization Options): Move profile generation options and
3415 -fstack-protector and related options.
3416 (Instrumentation Options): New section incorporating moved options.
3417 (Code Generation Options): Move -finstrument-functions and
3418 related options, -fstack-check, -fstack-limit*, and -fbounds-check.
3420 2016-01-16 Tom de Vries <tom@codesourcery.com>
3422 * passes.def: Move pass_expand_omp_ssa out of pass_parallelize_loops.
3424 2016-01-16 Tom de Vries <tom@codesourcery.com>
3426 * omp-low.c (expand_omp_atomic_fetch_op): Release defs of update stmt.
3428 2016-01-16 Richard Sandiford <richard.sandiford@arm.com>
3430 * hash-table.h (hash_table::empty): Turn into an inline wrapper
3431 that checks whether the table is already empty. Rename the
3432 original implementation to...
3433 (hash_table::empty_slot): ...this new private function.
3435 2016-01-15 David Malcolm <dmalcolm@redhat.com>
3438 * diagnostic-show-locus.c (layout::print_source_line): Move x
3439 offset of line until after call to
3440 get_line_width_without_trailing_whitespace.
3442 2016-01-15 Jeff Law <law@redhat.com>
3444 PR tree-optimization/69270
3445 * tree-ssanames.c (ssa_name_has_boolean_range): Moved here from
3446 tree-ssa-dom.c. Improve test for [0..1] ranve from VRP.
3447 * tree-ssa-dom.c (ssa_name_has_boolean_range): Remove.
3448 * tree-ssanames.h (ssa_name_has_boolean_range): Prototype.
3449 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
3450 ssa_name_has_boolean_range and constant_boolean_node.
3452 2016-01-15 Vladimir Makarov <vmakarov@redhat.com>
3454 PR rtl-optimization/69030
3455 * lra-spills.c (remove_pseudos): Check nrefs and make the function
3457 (spill_pseudos): Delete debug insn for dead pseudo.
3458 (lra_spill): Initiate spill_hard_reg and slots memory separately.
3460 2016-01-15 Jiong Wang <jiong.wang@arm.com>
3462 * config/aarch64/aarch64-builtins.c (aarch64_types_unopus_qualifiers):
3464 (TYPES_UNOPUS): Likewise.
3465 * config/aarch64/aarch64-simd-builtins.def (lbtruncuv2sf): Correct
3466 builtin type, from UNOP to UNOPUS.
3467 (lbtruncuv4sf): Likewise.
3468 (lbtruncuv2df): Likewise.
3469 (lrounduv2sf): Likewise.
3470 (lrounduv4sf): Likewise.
3471 (lrounduv2df): Likewise.
3472 (lroundusf): Likewise.
3473 (lroundusf): Likewise.
3474 (lceiluv2sf): Likewise.
3475 (lceiluv4sf): Likewise.
3476 (lceiluv2df): Likewise.
3477 (lceilusf): Likewise.
3478 (lceiludf): Likewise.
3479 (lflooruv2sf): Likewise.
3480 (lflooruv4sf): Likewise.
3481 (lflooruv2df): Likewise.
3482 (lfloorusf): Likewise.
3483 (lfloorudf): Likewise.
3484 (lfrintnuv2sf): Likewise.
3485 (lfrintnuv4sf): Likewise.
3486 (lfrintnuv2df): Likewise.
3487 (lfrintnusf): Likewise.
3488 (lfrintnudf): Likewise.
3489 * config/aarch64/arm_neon.h (vcvt_u32_f32): Remove unncessary type
3491 (vcvtq_u32_f32): Likewise.
3492 (vcvtq_u64_f64): Likewise.
3493 (vcvta_u32_f32): Likewise.
3494 (vcvtaq_u32_f32): Likewise.
3495 (vcvtaq_u64_f64): Likewise.
3496 (vcvtm_u32_f32): Likewise.
3497 (vcvtmq_u32_f32): Likewise.
3498 (vcvtmq_u64_f64): Likewise.
3499 (vcvtn_u32_f32): Likwise.
3500 (vcvtnq_u32_f32): Likewise.
3501 (vcvtnq_u64_f64): Likewise.
3502 (vcvtp_u32_f32): Likewise.
3503 (vcvtpq_u32_f32): Likewise.
3504 (vcvtpq_u64_f64): Likewise.
3505 (vcvtmd_u64_f64): Likewise.
3506 (vcvtms_u32_f32): Likewise.
3507 (vcvtad_u64_f64): Likewise.
3508 (vcvtas_u32_f32): Likewise.
3509 (vcvtnd_u64_f64): Likewise.
3510 (vcvtns_u32_f32): Likewise.
3511 (vcvtpd_u64_f64): Likewise.
3512 (vcvtps_u32_f32): Likewise.
3514 2016-01-15 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
3516 * config/aarch64/aarch64.c (aarch64_if_then_else_costs): Handle
3517 CSEL of zero_extended registers.
3519 2016-01-15 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
3521 * config/aarch64/aarch64.c (aarch64_rtx_costs, COMPARE case):
3522 Handle COMPARE of ZERO_EXTRACT against zero form of TST-immediate.
3524 2016-01-15 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
3526 * config/aarch64/aarch64.c (aarch64_process_one_target_attr): Return
3527 false when argument string is not found in the attributes table
3530 2016-01-15 David Edelsohn <dje.gcc@gmail.com>
3533 * config/rs6000/rs6000.c (rs6000_emit_msub): Delete.
3534 (rs6000_emit_swsqrt): Convert to Goldschmidt's Algorithm
3535 * config/rs6000/rs6000.md (sqrt<mode>2): Limit swsqrt to high
3538 2016-01-15 Richard Biener <rguenther@suse.de>
3540 PR tree-optimization/66856
3541 * tree-vect-loop.c (vect_transform_loop): Free SLP instances here.
3542 * tree-vect-slp.c (vect_free_slp_tree): Decrement stmt reference count.
3543 (vect_create_new_slp_node): Increment stmt reference count.
3544 (vect_get_and_check_slp_defs): Make sure stmts are nor already in
3545 an SLP tree before swapping operands.
3546 (vect_build_slp_tree): Likewise.
3547 (destroy_bb_vec_info): Free stmt info after SLP instances.
3548 * tree-vect-stmts.c (new_stmt_vec_info): Initialize reference count.
3549 * tree-vectorizer.h (struct _stmt_vec_info): Add num_slp_uses field.
3550 (STMT_VINFO_NUM_SLP_USES): New macro.
3552 2016-01-15 Richard Biener <rguenther@suse.de>
3555 * dwarf2out.c (add_linkage_name_raw): New function split out from ...
3556 (add_linkage_name): ... here.
3557 (gen_typedef_die): Use add_linkage_name_raw instead of
3558 add_linkage_attr to delay DECL_ASSEMBLER_NAME computation
3561 2016-01-15 Cesar Philippidis <cesar@codesourcery.com>
3563 * gimplify.c (oacc_default_clause): Decode reference and pointer
3564 types for both kernels and parallel regions.
3566 2016-01-15 Richard Sandiford <richard.sandiford@arm.com>
3569 * calls.c (emit_call_1): Force n_popped to zero for sibcalls.
3571 2016-01-15 Ilya Enkovich <enkovich.gnu@gmail.com>
3573 * config/i386/i386.c (scalar_chain::compute_convert_gain): Fix typo.
3574 (convert_scalars_to_vector): Likewise.
3576 2016-01-15 Jonathan Wakely <jwakely@redhat.com>
3578 * doc/extend.texi (Type Traits): Fix grammar.
3580 2016-01-15 Martin Jambor <mjambor@suse.cz>
3582 * tree-inline.c (remap_decl): Use existing dclarations if
3583 remapping a type and prevent_decl_creation_for_types.
3584 (replace_locals_stmt): Do an initial remapping of non-VLA typed
3585 decls first. Do real remapping with
3586 prevent_decl_creation_for_types set.
3587 * tree-inline.h (copy_body_data): New field
3588 prevent_decl_creation_for_types, moved remap_var_for_cilk to avoid
3591 2016-01-15 Dominik Vogt <vogt@linux.vnet.ibm.com>
3593 * config/s390/s390.opt (mmvcle): More verbose help text.
3595 2016-01-15 Dominik Vogt <vogt@linux.vnet.ibm.com>
3597 * config/s390/s390.opt: Add period to -mzvector option text.
3599 2016-01-15 Richard Biener <rguenther@suse.de>
3601 PR tree-optimization/68961
3602 * tree-vect-slp.c (vect_analyze_slp_cost_1): Consider cost
3603 of invariants in stores again.
3605 2016-01-15 Sebastian Huber <sebastian.huber@embedded-brains.de>
3607 * config/arm/t-rtems: Add cortex-m7/fpv5-d16 multilib.
3609 2016-01-15 Ilya Enkovich <enkovich.gnu@gmail.com>
3611 * config/i386/i386.c (ix86_expand_branch): Don't split
3612 DI mode xor instruction to SI mode.
3614 2016-01-15 Jan Hubicka <hubicka@ucw.cz>
3617 * ipa-icf.c (sem_function::merge): Virtual functions may become
3618 reachable even if they address is not taken and there are no
3621 2016-01-15 Jan Hubicka <hubicka@ucw.cz>
3623 * lto-streamer-out.c (subtract_estimated_size): New function.
3624 (get_symbol_initial_value): Use it.
3626 2016-01-15 Christian Bruel <christian.bruel@st.com>
3629 * config/arm/arm-builtins.c (ARM_BUILTIN_CRYPTO_BASE): New enum tag.
3630 (arm_init_neon_builtins_internal): Rename arm_init_neon_builtins,
3631 (arm_init_crypto_builtins_internal): Rename arm_init_crypto_builtins.
3632 use add_builtin_function_ext_scope instead of add_builtin_function.
3633 (neon_set_p, neon_crypto_set_p): Remove.
3634 (arm_init_builtins): Always call arm_init_neon_builtins and
3635 arm_init_crypto_builtins.
3636 (arm_expand_builtin): Check that builtins are allowed for the arch.
3637 * config/arm/arm-protos.h (arm_init_neon_builtins): Remove prototype.
3638 * config/arm/arm.c (arm_valid_target_attribute_tree): Remove
3639 arm_init_neon_builtins call.
3641 2016-01-15 Richard Biener <rguenther@suse.de>
3643 PR tree-optimization/69117
3644 * tree-ssa-sccvn.h (struct vn_ssa_aux): Add info member.
3645 * tree-ssa-sccvn.c (set_ssa_val_to): Save and adjust SSA name info
3646 of the leader conservatively.
3647 (free_scc_vn): Restore original SSA name infos.
3649 2016-01-14 Jeff Law <law@redhat.com>
3651 PR tree-optimization/69270
3652 * tree-ssa-dom.c (ssa_name_has_boolean_range): If the type has a
3653 single bit of precision, verify it's also unsigned.
3654 (record_edge_info): Use constant_boolean_node rather than fold_convert
3655 to convert boolean_true/boolean_false to the right type.
3657 2016-01-14 Richard Henderson <rth@redhat.com>
3660 * loop-doloop.c (record_reg_sets): New.
3661 (doloop_optimize): Reject the transform if the sequence
3662 clobbers registers live at the end of the loop block.
3663 (doloop_optimize_loops): Enable df_live if needed.
3665 2016-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
3667 * config/rs6000/rs6000-builtin.def: Revert 2016-01-13 change.
3668 * gcc/config/rs6000/rs6000.c: Likewise.
3669 * gcc/config/rs6000/rs6000.h: Likewise.
3670 * gcc/config/rs6000/rs6000.md: Likewise.
3671 * gcc/doc/extend.texi: Likewsie.
3673 2016-01-14 Jeff Law <law@redhat.com>
3675 * tree-ssa-dom.c (ssa_name_has_boolean_range): Fix comment
3678 2016-01-14 Richard Henderson <rth@redhat.com>
3682 * trans-mem.c (tm_log_emit_stmt): Fix unit size to bit size.
3683 * tree.c (build_tm_vector_builtins): Use builtin_decl_explicit_p
3684 instead of builtin_decl_declared_p to test for declaration.
3686 2016-01-14 Nicklas Bo Jensen <nbjensen@gmail.com>
3688 * doc/loop.texi (Loop Analysis and Representation): Document
3689 loop_depth function.
3691 2016-01-14 Tom de Vries <tom@codesourcery.com>
3693 PR tree-optimization/68773
3694 * omp-low.c (expand_omp_target): Don't set force_output.
3695 * varpool.c (varpool_node::get_create): Same.
3696 * lto-cgraph.c (input_offload_tables): Mark entries in offload_vars and
3697 offload_funcs with force_output.
3699 2016-01-14 Jakub Jelinek <jakub@redhat.com>
3702 * lra-eliminations.c (move_plus_up): Don't change anything if either
3703 the outer or inner subreg mode is not MODE_INT.
3704 * dwarf2out.c (mem_loc_descriptor): For SUBREG, if outer mode is
3705 integral <= DWARF2_ADDR_SIZE, convert to untyped afterwards.
3707 2016-01-14 Alan Lawrence <alan.lawrence@arm.com>
3709 * doc/md.texi (reduc_smin_@var{m}, reduc_smax_@var{m},
3710 reduc_umin_@var{m}, reduc_umax_@var{m}, reduc_splus_@var{m},
3711 reduc_uplus_@var{m}): Remove.
3712 * expr.c (expand_expr_real_2): Remove expansion path for
3713 reduc_[us](min|max|plus) optabs.
3714 * optabs-tree.c (scalar_reduc_to_vector): Remove.
3715 * optabs-tree.h (scalar_reduc_to_vector): Remove.
3716 * optabs.def (reduc_smax_optab, reduc_smin_optab, reduc_splus_optab,
3717 reduc_umax_optab, reduc_umin_optab, reduc_uplus_optab): Remove.
3718 * tree-vect-loop.c (vectorizable_reduction): Remove test for
3719 reduc_[us](min|max|plus) optabs.
3721 2016-01-14 Alan Lawrence <alan.lawrence@arm.com>
3723 * config/mips/mips-ps-3d.md (reduc_splus_v2sf): Remove.
3724 (reduc_plus_scal_v2sf): New.
3725 (reduc_smax_v2sf): Rename to...
3726 (reduc_smax_scal_v2sf): ...here, make result SFmode, add vec_extract.
3727 (reduc_smin_v2sf): Rename to...
3728 (reduc_smin_scal_v2sf): ...here, make result SFmode, add vec_extract.
3730 2016-01-14 Jan Hubicka <hubicka@ucw.cz>
3732 * alias.c (compare_base_symbol_refs): New function.
3733 (rtx_equal_for_memref_p, base_alias_check, memrefs_conflict_p): Use
3736 2016-01-14 Jakub Jelinek <jakub@redhat.com>
3739 PR tree-optimization/69155
3740 * tree-complex.c: Include cfganal.h.
3741 (phis_to_revisit): New variable.
3742 (extract_component): Add phiarg_p argument. Assert that returned
3743 SSA_NAME has non-NULL SSA_NAME_DEF_STMT unless phiarg_p is true.
3744 (update_phi_components): Partly rewrite to use loop over real/imag
3745 components instead of code duplication. If extract_component returns
3746 SSA_NAME with NULL SSA_NAME_DEF_STMT, store SSA_NAME_VAR or
3747 create_tmp_reg into the PHI node instead, and mention the phi triplet
3749 (tree_lower_complex): Walk bbs in rpo order. Adjust phis recorded
3750 in phis_to_revisit at the end.
3752 2016-01-14 Richard Biener <rguenther@suse.de>
3754 PR tree-optimization/68060
3755 * tree-vect-loop.c (vect_is_simple_reduction): Check the
3756 outer loop reduction is only used in the inner loop before
3757 detecting a double reduction.
3759 2016-01-14 Jakub Jelinek <jakub@redhat.com>
3762 * combine.c (expand_field_assignment): Punt if compute_mode is
3763 unsupported scalar mode.
3765 2016-01-14 Richard Biener <rguenther@suse.de>
3767 PR tree-optimization/66856
3768 * tree-vect-slp.c (vect_build_slp_tree): Refactor to build
3769 SLP node only if it built successfully.
3770 (vect_analyze_slp_instance): Adjust.
3772 2016-01-14 Jeff Law <law@redhat.com>
3774 PR tree-optimization/69270
3775 * tree-ssa-dom.c (ssa_name_has_boolean_range): New function.
3776 (record_edge_info): Use it. Convert boolean_{true,false}_node
3779 2016-01-13 Jan Hubicka <hubicka@ucw.cz>
3782 * ipa-polymorphic-call.c (inlined_polymorphic_ctor_dtor_block_p):
3783 use block_ultimate_origin
3784 (noncall-stmt_may_be_vtbl_ptr_store): Likewise.
3786 2016-01-13 Sandra Loosemore <sandra@codesourcery.com>
3788 * doc/invoke.texi (Submodel Options): Rename section to
3789 "Machine-Dependent Options" to better reflect its content.
3790 Rewrite introductory text to remove archaic CPU names.
3793 2016-01-13 Sandra Loosemore <sandra@codesourcery.com>
3795 * doc/invoke.texi (Code Gen Options): Move section up in file,
3796 before target-specific options. Update menu and option summary
3797 to reflect the new section ordering.
3799 2016-01-13 Jonathan Wakely <jwakely@redhat.com>
3801 * doc/invoke.texi (C Dialect Options): Adjust -std default for C++.
3802 (C++ Dialect Options): Add cross-reference to -std option.
3803 * doc/standards.texi (C++ Language): Document C++14 support.
3805 2016-01-13 Michael Meissner <meissner@linux.vnet.ibm.com>
3807 * config/rs6000/rs6000-builtin.def (BU_FLOAT128_2): Add support
3808 for pack/unpack functions for __ibm128.
3809 (PACK_IF): Likewise.
3810 (UNPACK_IF): Likewise.
3812 * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Add
3813 support for __ibm128 pack/unpack functions.
3814 (rs6000_invalid_builtin): Likewise.
3815 (rs6000_init_builtins): Likewise.
3816 (rs6000_opt_masks): Likewise.
3818 * config/rs6000/rs6000.h (MASK_FLOAT128): Add short name.
3819 (RS6000_BTM_FLOAT128): Add support for __ibm128 pack/unpack
3821 (RS6000_BTM_COMMON): Likewise.
3823 * config/rs6000/rs6000.md (f128_vsx): New mode attribute.
3824 (unpack<mode>): Use FMOVE128_FPR iterator instead of FMOVE128, to
3825 disallow __builtin_{pack,unpack}_longdouble if long double is IEEE
3826 128-bit floating point. Add support for the double values to be
3827 in Altivec registers for TF/IF packing and unpacking, but restrict
3828 TD packing sub-fields to be FPR registers. Don't allow overlapped
3829 register support for packing. Allow pack inputs to be memory
3830 locations. Don't build generator functions for unpack<mode>_dm
3831 and unpack<mode>_nodm.
3832 (unpack<mode>_dm): Likewise.
3833 (unpack<mode>_nodm): Likewise.
3834 (pack<mode>): Likewise.
3836 * config/rs6000/rs6000-builtin.def (__builtin_pack_ibm128): Add
3837 built-in functions to pack/unpack explicit __ibm128 values.
3838 (__builtin_unpack_ibm128): Likewise.
3840 * doc/extend.texi (PowerPC Built-in Functions): Document
3841 __builtin_pack_ibm128 and __builtin_unpack_ibm128.
3843 2016-01-13 Bernd Schmidt <bschmidt@redhat.com>
3846 * c-common.c (check_function_nonnull): Remove unnecessary declaration.
3847 Add new arg loc and pass it down as context.
3848 (check_nonnull_arg): Don't mark ctx arg as unused. Use it as a pointer
3849 to the location to use for the warning.
3850 (check_function_arguments): New arg loc. All callers changed. Pass
3851 it to check_function_nonnull.
3852 * c-common.h (check_function_arguments): Adjust declaration.
3854 2016-01-13 Jakub Jelinek <jakub@redhat.com>
3856 PR tree-optimization/69156
3857 * gimple.c (validate_type): Removed.
3858 (gimple_builtin_call_types_compatible_p): Use
3859 useless_type_conversion_p instead of validate_type.
3860 * value-prof.c (gimple_stringop_fixed_value): Fold
3861 icall_size to correct type.
3863 2016-01-13 Jonathan Wakely <jwakely@redhat.com>
3865 * doc/extend.texi (__atomic Builtins): Clarify compare_exchange
3868 2016-01-13 Richard Henderson <rth@redhat.com>
3871 * target.def (builtin_tm_load, builtin_tm_store): Remove.
3872 * config/i386/i386.c (ix86_builtin_tm_load): Remove.
3873 (ix86_builtin_tm_store): Remove.
3874 (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
3875 (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
3876 * doc/tm.texi.in (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
3877 (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
3878 * doc/tm.texi: Rebuild.
3880 * gtm-builtins.def (BUILT_IN_TM_MEMCPY_RNWT): New.
3881 (BUILT_IN_TM_MEMCPY_RTWN): New.
3882 * trans-mem.c (tm_log_emit_stmt): Rearrange code for better
3883 fallback from vector to integer helpers.
3884 (build_tm_load): Handle vector types directly, instead of
3886 (build_tm_store): Likewise.
3887 (expand_assign_tm): Prepare for register types not handled by
3888 the above. Copy them to memory and use memcpy.
3889 * tree.c (tm_define_builtin): New.
3890 (find_tm_vector_type): New.
3891 (build_tm_vector_builtins): New.
3892 (build_common_builtin_nodes): Call it.
3894 2016-01-13 Uros Bizjak <ubizjak@gmail.com>
3896 * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Return -1 for
3897 TARGET_SSE_MATH without TARGET_SSE2. Rewrite.
3899 2016-01-13 Tom de Vries <tom@codesourcery.com>
3901 PR tree-optimization/69169
3902 * tree-ssa-structalias.c (create_variable_info_for_1): Add and handle
3903 handled_struct_type param.
3904 (create_variable_info_for, intra_create_variable_infos): Call
3905 create_variable_info_for_1 with extra arg.
3907 2016-01-13 Yvan Roux <yvan.roux@linaro.org>
3909 * config/arm/arm-arches.def: Remove spurious whitespace in "armv8.1-a"
3910 and "armv8.1-a+crc" entries.
3912 2016-01-13 Alexander Fomin <alexander.fomin@intel.com>
3915 * config/i386/sse.md (define_expand "avx512pf_gatherpf<mode>sf"):
3916 Change first operand predicate from register_or_constm1_operand
3917 to register_operand.
3918 (define_expand "avx512pf_gatherpf<mode>df"): Likewise.
3919 (define_expand "avx512pf_scatterpf<mode>sf"): Likewise.
3920 (define_expand "avx512pf_scatterpf<mode>df"): Likewise.
3921 (define_insn "*avx512pf_gatherpf<mode>sf"): Remove.
3922 (define_insn "*avx512pf_gatherpf<mode>df"): Likewise.
3923 (define_insn "*avx512pf_scatterpf<mode>sf"): Likewise.
3924 (define_insn "*avx512pf_scatterpf<mode>df"): Likewise.
3925 * config/i386/i386.c (ix86_expand_builtin): Remove first operand
3926 comparison with constm1_rtx from vec_prefetch_gen part.
3928 2016-01-13 Richard Biener <rguenther@suse.de>
3930 PR tree-optimization/69013
3931 * tree-ssa-uninit.c (prune_uninit_phi_opnds_in_unrealizable_paths):
3932 Exchange assert for a test.
3934 2016-01-13 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
3937 * config/s390/s390.md (bswaphi splitter): Use simplify_gen_subreg.
3939 2016-01-13 Richard Biener <rguenther@suse.de>
3941 PR tree-optimization/69242
3942 * tree-ssa-sccvn.c (visit_reference_op_load): Replace bogus
3943 assert with a check.
3945 2016-01-13 Richard Biener <rguenther@suse.de>
3947 PR tree-optimization/69186
3948 * tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
3949 Properly guard vect_update_misalignment_for_peel call.
3951 2016-01-12 Jeff Law <law@redhat.com>
3953 PR tree-optimization/pr67755
3954 * tree-ssa-threadupdate.c (struct ssa_local_info_t): Add new field
3955 "need_profile_correction".
3956 (thread_block_1): Initialize new field to false by default. If we
3957 have multiple thread paths through a common joiner to different
3958 final targets, then set new field to true.
3959 (compute_path_counts): Only do count adjustment when it's really
3962 2016-01-12 Sandra Loosemore <sandra@codesourcery.com>
3964 * doc/invoke.texi (Spec Files): Move section down in file, past
3965 all command-line option descriptions.
3967 2016-01-12 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
3970 * doc/gty.texi: Remove documentation of mark_hook.
3971 * gengtype.c (struct write_types_data): Remove code to support
3972 mark_hook attribute.
3973 (walk_type): Likewise.
3974 (write_func_for_structure): Likewise.
3976 2016-01-12 Sandra Loosemore <sandra@codesourcery.com>
3978 * doc/invoke.texi (Option Summary) Move -no-canonical-prefixes to
3979 Directory Options, and -specs= to Overall Options.
3980 (Overall Options): Adjust similarly. Reorder to group related
3981 options together. Make -specs= cross-reference the spec file details.
3982 (Directory Options): Adjust similarly.
3984 2016-01-12 Jeff Law <law@redhat.com>
3986 * tree-ssa-threadupdate.c: Various whitespace and typo fixes.
3988 2016-01-12 Olivier Hainque <hainque@adacore.com>
3990 * gcc.c (spec_undefvar_allowed): New global.
3991 (process_command): Set to true when running for --version or --help,
3993 (getenv_spec_function): When the variable is not defined, use the
3994 variable name as the variable value if we're allowed not to issue
3997 2016-01-12 Bin Cheng <bin.cheng@arm.com>
3999 PR tree-optimization/68911
4000 * tree-vrp.c (adjust_range_with_scev): Check overflow in range
4001 information computed for expression "init + nit * step".
4003 2016-01-12 Sandra Loosemore <sandra@codesourcery.com>
4005 * doc/invoke.texi (Invoking GCC): Copy-edit. Incorporate information
4006 about name of GCC executable. Remove deleted node from menu.
4007 (Directory Options) <-B>: Remove cross-reference to deleted node.
4008 (Target Options): Delete section.
4010 2016-01-12 Christian Bruel <christian.bruel@st.com>
4013 * config/arm/arm-c.c (arm_pragma_target_parse): Set NODE_CONDITIONAL
4014 for __ARM_NEON_FP, __ARM_FP, _ARM_FEATURE_LDREX.
4016 2016-01-12 Jakub Jelinek <jakub@redhat.com>
4019 * config/i386/i386.c (ix86_expand_special_args_builtin): Ensure
4020 aligned_mem is properly set for AVX512-VL floating point masked
4024 * ifcvt.c (cond_exec_process_if_block): When removing the last
4025 insn from then_bb, remove also any possible barriers that follow it.
4027 2016-01-12 H.J. Lu <hongjiu.lu@intel.com>
4031 * config/i386/iamcu.h (SIZE_TYPE): New macro.
4032 (PTRDIFF_TYPE): Likewise.
4033 (WCHAR_TYPE): Likewise.
4034 (WCHAR_TYPE_SIZE): Likewise.
4035 (STDINT_LONG32): Likewise.
4037 2016-01-12 Richard Biener <rguenther@suse.de>
4039 PR tree-optimization/69053
4040 * tree-vect-loop.c (get_initial_def_for_reduction): Properly
4041 convert initial value for cond reductions.
4043 2016-01-12 Richard Biener <rguenther@suse.de>
4045 PR tree-optimization/69007
4046 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Move
4047 widen_sum after dot_prod and sad.
4049 2016-01-12 Richard Biener <rguenther@suse.de>
4051 PR tree-optimization/69168
4052 * tree-vect-loop.c (vect_analyze_loop_2): Reset both main and
4053 pattern stmt SLP type.
4054 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Patterns may
4055 end up unused so cope with that case.
4057 2016-01-12 Richard Biener <rguenther@suse.de>
4059 PR tree-optimization/69157
4060 * tree-vect-stmts.c (vectorizable_mask_load_store): Check
4061 stmts def type only during analyze phase.
4062 (vectorizable_call): Likewise.
4063 (vectorizable_simd_clone_call): Likewise.
4064 (vectorizable_conversion): Likewise.
4065 (vectorizable_assignment): Likewise.
4066 (vectorizable_shift): Likewise.
4067 (vectorizable_operation): Likewise.
4068 (vectorizable_store): Likewise.
4069 (vectorizable_load): Likewise.
4071 2016-01-12 Richard Biener <rguenther@suse.de>
4073 PR tree-optimization/69174
4074 * tree-vect-stmts.c (vect_mark_relevant): Remove excessive vertical
4076 (vectorizable_load): Properly compute the number of loads needed
4077 for permuted strided SLP loads and do not spuriously assign
4078 to SLP_TREE_VEC_STMTS.
4080 2016-01-12 Andris Pavenis <andris.pavenis@iki.fi>
4082 * config/i386/djgpp.h (PREFERRED_DEBUGGING_TYPE): Define to DWARF2
4083 (TARGET_ASM_OUTPUT_IDENT): Define to default_asm_output_ident_directive
4084 (MD_EXEC_PREFIX): Remove.
4085 (MD_STARTFILE_PREFIX) Removee.
4086 (FILE_NAME_ABSOLUTE_P): Remove.
4087 (CPP_SPEC): Do not read macros from sys/version.h.
4088 (LINK_COMMAND_SPEC): Remove.
4089 (LOCAL_INCLUDE_DIR): Remove.
4090 (TARGET_ASM_NAMED_SECTION): Define to i386_djgpp_asm_named_section
4091 (TARGET_OS_CPP_BUILTINS): Add DJGPP (non ISO only), __DJGPP, __DJGPP__, unix.
4092 (POST_LINK_SPEC): Define to invoke stubify after linker
4093 (LIBSTDCXX): Remove define
4094 (DBX_REGISTER_NUMBER): Define to svr4_dbx_register_map.
4095 (DEFAULT_PCC_STRUCT_RETURN): Define to 1.
4096 (SUBTARGET_OVERRIDE_OPTIONS): Remove warning about -mbnu2210.
4097 (SUBTARGET_OVERRIDE_OPTIONS): Ignore -fPIC and generate message.
4098 (SUBTARGET_OVERRIDE_OPTIONS): Default to DWARF2 debugging info.
4099 (IX86_MAYBE_NO_LIBGCC_TFMODE): Remove.
4100 (i386_djgpp_asm_named_section): Add propotype of new procedure
4102 * config/i386/xm-djgpp.h (NATIVE_SYSTEM_HEADER_DIR): Define.
4103 (MD_EXEC_PREFIX): Define (moved from config/i386/djgpp.h).
4104 (STANDARD_STARTFILE_PREFIX_1): Define (moved from MD_STARTFILE_PREFIX
4105 in config/i386/djgpp.h).
4106 (STANDARD_STARTFILE_PREFIX_2): Define identical to
4107 STANDARD_STARTFILE_PREFIX_1.
4108 (LOCAL_INCLUDE_DIR): Define (moved from config/i386/djgpp.h).
4109 (GCC_DRIVER_HOST_INITIALIZATION): Fix reporting fatal
4110 installation errors.
4111 (MAX_OFILE_ALIGNMENT): Define to 128.
4112 (HAVE_FTW_H): Undefine as DJGPP do not have nftw, but have ftw.h.
4114 * config/i386/djgpp.c: New file. Add implementation of
4115 i386_djgpp_asm_named_section.
4117 * config/i386/djgpp.opt: Remove obsolete option -mbnu210.
4119 * config/i386/t-djgpp: New file. Add djgpp.o to EXTRA_OBJS.
4120 Add rule for building djgpp.o.
4122 2016-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
4124 * config/rs6000/rs6000.c (v2df_reduction_p): New function.
4125 (rtx_is_swappable_p): Reductions are swappable.
4126 (insn_is_swappable_p): V2DF reductions are swappable.
4128 2016-01-11 John David Anglin <danglin@gcc.gnu.org>
4130 * config/pa/pa.c (pa_emit_move_sequence): Handle floating point
4131 reloads for other unsupported memory operands.
4133 2016-01-12 Kugan Vivekanandarajah <kuganv@linaro.org>
4134 Jim Wilson <jim.wilson@linaro.org>
4137 * config/arm/arm-builtins.c (arm_expand_neon_args): Call
4138 copy_to_mode_reg instead of force_reg.
4140 2016-01-11 H.J. Lu <hongjiu.lu@intel.com>
4143 * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Set to 2 only if
4144 TARGET_80387 is true.
4146 2016-01-11 Jakub Jelinek <jakub@redhat.com>
4149 * lra-eliminations.c (move_plus_up): Only move plus up
4150 if subreg of the constant can be simplified into constant
4151 and use the simplified subreg of the constant instead of
4152 the original constant.
4154 * fold-const.c (fold_convertible_p): Don't return true
4155 for conversion of VECTOR_TYPE to same sized integral type.
4156 (fold_convert_loc): Fix up formatting. Fold conversion of
4157 VECTOR_TYPE to same sized integral type using VIEW_CONVERT_EXPR
4158 instead of NOP_EXPR.
4160 PR tree-optimization/69214
4161 * tree-vrp.c (simplify_cond_using_ranges): Don't propagate
4162 innerop into a comparison if SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
4165 PR tree-optimization/69207
4166 * tree-vect-slp.c (vect_get_constant_vectors): For
4167 VECTOR_BOOLEAN_TYPE_P, assert op has integral type instead of
4168 fold_convertible_p to vector_type's element type, and always
4169 use VCE for non-VECTOR_BOOLEAN_TYPE_P.
4171 2016-01-11 Richard Biener <rguenther@suse.de>
4173 PR tree-optimization/69173
4174 * tree-vect-loop.c (vect_fixup_scalar_cycles_with_patterns): Only
4175 fixup the cycle if all stmts are in a pattern.
4177 2016-01-11 Uros Bizjak <ubizjak@gmail.com>
4180 * alias.c (base_alias_check): Move check for addresses with
4181 alignment ANDs before the call for compare_base_decls.
4182 (memrefs_conflict_p): Return -1 for different decls
4183 that went through alignment adjustments.
4185 2016-01-11 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
4187 PR rtl-optimization/68796
4188 * config/aarch64/aarch64.md (*and<mode>_compare0): New pattern.
4189 * config/aarch64/aarch64.c (aarch64_select_cc_mode): Handle HImode
4190 and QImode comparisons against zero with CC_NZmode.
4191 * config/aarch64/iterators.md (short_mask): New mode_attr.
4193 2016-01-11 H.J. Lu <hongjiu.lu@intel.com>
4195 * config/i386/sse.md (<avx512>_load<mode>_mask): Remove snprintf.
4196 (<avx512>_store<mode>_mask): Likewise.
4198 2016-01-11 Bernd Schmidt <bschmidt@redhat.com>
4199 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
4201 PR rtl-optimization/68841
4202 * ifcvt.c (struct noce_if_info): Add orig_x field.
4203 (bbs_ok_for_cmove_arith): Add to_rename parameter.
4204 Don't record conflicts on to_rename if it's present.
4205 Allow memory destinations in sets.
4206 (noce_try_cmove_arith): Call bbs_ok_for_cmove_arith even on simple
4207 blocks, passing orig_x to the checks.
4208 (noce_process_if_block): Set if_info->orig_x appropriately.
4210 2016-01-11 Tom de Vries <tom@codesourcery.com>
4212 PR tree-optimization/69069
4213 * tree-parloops.c (create_parallel_loop): Add missing phi args.
4215 2016-01-11 Yuri Rumyantsev <ysrumyan@gmail.com>
4217 PR rtl-optimization/68920
4218 * config/i386/i386.c (ix86_option_override_internal): Restrict number
4219 of conditional moves for RTL if-conversion to 1 for
4220 TARGET_ONE_IF_CONV_INSN.
4221 * config/i386/i386.h (TARGET_ONE_IF_CONV_INSN): New macros.
4222 * config/i386/x86-tune.def (X86_TUNE_ONE_IF_CONV_INSN): New macros.
4223 * params.def (PARAM_MAX_RTL_IF_CONVERSION_INSNS) : Introduce new
4224 parameter to restirct number of conditional moves for
4226 * doc/invoke.texi (max-rtl-if-conversion-insns): Document it.
4227 * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Limit number of
4230 2016-01-11 Alexandre Oliva <aoliva@redhat.com>
4233 * var-tracking.c (drop_overlapping_mem_locs): Operate on all
4234 onepart vars. Fix typo in comment. Fix reversed condition in
4236 (dataflow_set_remove_mem_locs): Operate on all onepart vars.
4239 * var-tracking.c (dump_onepart_variable_differences): New.
4240 (dataflow_set_different): If a detailed dump is requested,
4241 delay early returns and dump differences between onepart
4242 variables present before and after, and added variables.
4244 2016-01-11 Ilya Enkovich <enkovich.gnu@gmail.com>
4247 * expr.c (expand_expr_real_1): For boolean vector constants
4248 with a scalar mode use const_scalar_mask_from_tree.
4249 (const_scalar_mask_from_tree): New.
4250 * optabs.c (expand_vec_cond_mask_expr): Use mask mode
4251 assigned to a mask type to handle constants.
4253 2016-01-11 Martin Jambor <mjambor@suse.cz>
4256 * ipa-cp.c (estimate_local_effects): Do not clone for removal of
4257 useless parameters if we cannot change function signature.
4259 2016-01-11 Martin Jambor <mjambor@suse.cz>
4262 * cgraphclones.c (duplicate_thunk_for_node): Copy can_change_signature
4265 2016-01-11 Tom de Vries <tom@codesourcery.com>
4267 PR tree-optimization/69109
4268 * tree-parloops.c (try_transform_to_exit_first_loop_alt): Don't allow
4271 2016-01-11 Tom de Vries <tom@codesourcery.com>
4273 PR tree-optimization/69108
4274 * tree-parloops.c (gather_scalar_reductions): Handle case that outer phi
4275 res is not used in a phi.
4277 2016-01-11 Yury Gribov <y.gribov@samsung.com>
4280 * common.opt (frandom-seed): Fix parameter name.
4281 * doc/invoke.texi (frandom-seed): Ditto and describe parameter.
4283 2016-01-11 Tom de Vries <tom@codesourcery.com>
4285 PR tree-optimization/69058
4286 * tree-parloops.c (pass_parallelize_loops::execute): Return 0 if libgomp
4289 2016-01-11 Andrew Burgess <andrew.burgess@embecosm.com>
4291 * config/arc/arc.opt (mdiv-rem): Add period to the end.
4292 (mcode-density): Likewise.
4294 2016-01-10 Tom de Vries <tom@codesourcery.com>
4296 PR tree-optimization/69062
4297 * tree-parloops.c (loop_has_phi_with_address_arg): New function.
4298 (parallelize_loops): Don't paralelize loop that has phi with address
4301 2016-01-10 Tom de Vries <tom@codesourcery.com>
4303 PR tree-optimization/69039
4304 * tree-parloops.c (try_create_reduction_list): Only allow single exit
4307 2016-01-09 John David Anglin <danglin@gcc.gnu.org>
4310 * match.pd: Require target has function_c99_misc before doing
4311 truncl(extend(x)) and trunc(extend(x)) -> extend(truncf(x)), etc.
4313 2016-01-09 Gerald Pfeifer <gerald@pfeifer.com>
4315 * configure.ac (isl_options_set_schedule_serialize_sccs): Also
4317 * configure: Regenerate.
4319 2016-01-09 Jakub Jelinek <jakub@redhat.com>
4322 PR tree-optimization/69097
4323 * fold-const.h (expr_not_equal_to): New prototype.
4324 * fold-const.c: Include stringpool.h and tree-ssanames.h.
4325 (expr_not_equal_to): New function.
4326 * match.pd (X % -Y is the same as X % Y): Don't optimize
4327 unless X is known not to be equal to minimum or Y is known
4328 not to be equal to -1.
4329 * tree-vrp.c (simplify_div_or_mod_using_ranges): Add GSI argument.
4330 fold TRUNC_MOD_EXPR if the second argument is not a power of two.
4331 (simplify_stmt_using_ranges): Adjust caller.
4332 (vrp_finalize): Call set_value_range on SSA_NAMEs before calling
4333 substitute_and_fold.
4335 2016-01-09 Jan Hubicka <hubicka@ucw.cz>
4337 * ipa-icf.c (sem_item_optimizer::merge_classes): Do not ICE on VAR_DECL
4340 2016-01-08 Jakub Jelinek <jakub@redhat.com>
4342 PR tree-optimization/69167
4343 * gimple-fold.c (replace_stmt_with_simplification): Also punt if
4344 new SSA_NAME_OCCURS_IN_ABNORMAL_PHI SSA_NAMEs appear in operands of
4346 * gimple-match-head.c (maybe_push_res_to_seq): Likewise.
4348 2016-01-08 Alan Lawrence <alan.lawrence@arm.com>
4349 Richard Biener <rguenther@suse.de>
4351 PR tree-optimization/68707
4352 * tree-vect-slp.c (vect_analyze_slp_instance): Cancel permuted SLP
4353 instances that can be handled via vect_load_lanes.
4355 2016-01-08 Uros Bizjak <ubizjak@gmail.com>
4357 * symtab.c (symtab_node::equal_address_to): Return -1 instead of 2
4358 if we can't determine address equivalence.
4359 * alias.c (compare_base_decl): Update for changed return value of
4360 symtab_node::equal_address_to.
4362 2016-01-08 Jason Merrill <jason@redhat.com>
4366 * function.c (assign_temp): Guard against TREE_ADDRESSABLE types here.
4367 * expr.c (store_field): Not here.
4368 * tree-cfgcleanup.c (fixup_noreturn_call): Don't clear LHS of a
4369 call with TREE_ADDRESSABLE type.
4370 * tree-cfg.c (verify_gimple_call): Adjust.
4372 2016-01-08 Olivier Hainque <hainque@adacore.com>
4374 * config/vxworks.h (VXWORKS_LIBGCC_SPEC): Don't link shared RTPs with
4377 2016-01-08 Alan Lawrence <alan.lawrence@arm.com>
4379 * gcc.target/rs6000/paired.md (reduc_smax_v2sf): Rename to...
4380 (reduc_smax_scal_v2sf): ...here, make result SFmode, extract element.
4381 (reduc_smin_v2sf): Rename to...
4382 (reduc_smin_scal_v2sf): ...here, make result SFmode, extract element.
4383 (reduc_splus_v2sf): Rename to...
4384 (reduc_plus_scal_v2sf): ...here, make result SFmode, extract element.
4386 2016-01-08 Jakub Jelinek <jakub@redhat.com>
4388 PR tree-optimization/69162
4389 * gimplify.c (gimplify_va_arg_expr): Encode original type of
4390 valist argument in another argument.
4391 (gimplify_modify_expr): Adjust for the above change. Cleanup.
4392 * tree-stdarg.c (expand_ifn_va_arg_1): Use new 3rd argument
4393 to determine the va_list type, build a MEM_REF instead of
4394 build_fold_indirect_ref.
4396 PR tree-optimization/69172
4397 * gimple-fold.c (gimple_fold_builtin_memory_chk): Pass type to
4400 2016-01-08 Thomas Preud'homme <thomas.preudhomme@arm.com>
4402 PR tree-optimization/67781
4403 * tree-ssa-math-opts.c (find_bswap_or_nop): Zero out bytes in cmpxchg
4404 and cmpnop in two steps: first the ones not accessed in original
4405 gimple expression in a endian independent way and then the ones not
4406 accessed in the final result in an endian-specific way.
4408 2016-01-08 Jakub Jelinek <jakub@redhat.com>
4410 PR tree-optimization/69083
4411 * tree-vect-slp.c (vect_get_constant_vectors): For
4412 VECTOR_BOOLEAN_TYPE_P assert op is fold_convertible_p to vector_type's
4413 element type. If op is fold_convertible_p to vector_type's element
4414 type, use NOP_EXPR instead of VCE.
4416 2016-01-08 Segher Boessenkool <segher@kernel.crashing.org>
4418 PR rtl-optimization/67778
4419 PR rtl-optimization/68634
4420 PR rtl-optimization/68909
4421 * shrink-wrap.c (try_shrink_wrapping): Add comment. Don't pop
4422 block from the stack until done with it. Remove a superfluous
4423 bitmap set. Remove a superfluous bitmap test.
4425 2016-01-07 Martin Sebor <msebor@redhat.com>
4428 * doc/extend.texi (__atomic Builtins, __sync Builtins): Document
4429 constraint on the type of arguments.
4431 2016-01-07 Andreas Tobler <andreast@gcc.gnu.org>
4433 * config/arm/freebsd.h: Rename SUBTARGET_OVERRIDE_OPTIONS to
4434 SUBTARGET_OVERRIDE_INTERNAL_OPTIONS. Adjust to check
4435 unaligned_access on the gcc_options set.
4436 * config/arm/arm.c (arm_option_override_internal): Use
4437 SUBTARGET_OVERRIDE_INTERNAL_OPTIONS.
4439 2016-01-07 Uros Bizjak <ubizjak@gmail.com>
4442 * config/i386/i386.c (ix86_frame_pointer_required): Enable
4443 frame pointer for TARGET_64BIT_MS_ABI when stack is misaligned.
4445 2016-01-07 Uros Bizjak <ubizjak@gmail.com>
4448 2016-01-06 Uros Bizjak <ubizjak@gmail.com>
4451 * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
4452 depending on frame_pointer_needed before remaining integer and SSE
4453 registers are saved.
4455 2016-01-07 Sandra Loosemore <sandra@codesourcery.com>
4458 * doc/extend.texi (Nvidia PDX Function Attributes): New section.
4460 2016-01-07 H.J. Lu <hongjiu.lu@intel.com>
4463 * config/i386/sse.md (<sse>_sqrt<mode>2<mask_name><round_name>):
4464 Use the "xBm" constraint.
4465 (float<sseintvecmodelower><mode>2<mask_name><round_name):
4467 (sse_cvtsi2ss<round_name>): Use round_nimm_scalar_predicate.
4468 (sse_cvtsi2ssq<round_name>): Likewise.
4469 (sse_cvtss2si<round_name>): Likewise.
4470 (sse_cvtss2siq<round_name>): Likewise.
4471 (sse2_cvtsi2sdq<round_name>): Likewise.
4472 (sse2_cvtsd2si<round_name>): Likewise.
4473 (sse2_cvtsd2siq<round_name>): Likewise.
4474 * config/i386/subst.md (round_nimm_scalar_predicate): New
4477 2015-12-15 Bernd Schmidt <bschmidt@redhat.com>
4480 * varasm.c (make_decl_rtl): Mark invalid register vars as
4483 PR rtl-optimization/66206
4484 * bt-load.c (find_btr_use): Change first arg to be a pointer to an rtx.
4485 All callers changed.
4487 2016-01-07 Jakub Jelinek <jakub@redhat.com>
4489 PR tree-optimization/69141
4490 * tree-ssa-pre.c: Include langhooks.h.
4491 (eliminate_dom_walker::before_dom_children): Use
4492 lang_hooks.decl_printable_name instead of
4493 cgraph_node::get ()->name ().
4496 * gimple-expr.c (copy_var_decl): If var has DECL_USER_ALIGN set, copy
4497 it and DECL_ALIGN too.
4499 2016-01-06 Robert Suchanek <robert.suchanek@imgtec.com>
4501 * config/mips/mips-ftypes.def: Sort to lexicographical order.
4503 2016-01-06 Uros Bizjak <ubizjak@gmail.com>
4506 * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
4507 depending on frame_pointer_needed before remaining integer and SSE
4508 registers are saved.
4510 2015-01-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
4512 * config/rs6000/vsx.md (*p9_vecload_<mode>): Replace VSX_M
4513 mode iterator with VSX_M2.
4514 (*p9_vecstore_<mode>): Likewise.
4515 (*vsx_le_permute_<mode>): Restrict to !TARGET_P9_VECTOR.
4516 (*vsx_le_perm_load_<mode> for VSX_LE_128): Likewise.
4517 (*vsx_le_perm_store_<mode> for VSX_LE_128): Likewise.
4518 (define_split for VSX_LE128 stores): Likewise.
4519 (define_peephole2 for TImode LE swaps): Likewise.
4520 (define_split for VSX_LE128 post-reload stores): Likewise.
4522 2016-01-06 Marek Polacek <polacek@redhat.com>
4525 * convert.c (convert_to_integer_1): Adjust call to
4526 ubsan_instrument_float_cast. Use NULL_TREE instead of NULL.
4527 * ubsan.c (ubsan_instrument_float_cast): Drop the ARG parameter. Use
4528 EXPR instead of ARG.
4529 * ubsan.h (ubsan_instrument_float_cast): Adjust declaration.
4531 2016-01-05 Sandra Loosemore <sandra@codesourcery.com>
4534 * doc/extend.texi (RL78 Variable Attributes): New section.
4536 2016-01-05 Marek Polacek <polacek@redhat.com>
4539 * builtins.c (get_memmodel): Use expansion point location rather than
4540 the input location. Call warning_at rather than warning.
4541 (expand_builtin_atomic_compare_exchange): Likewise.
4542 (expand_builtin_atomic_load): Likewise.
4543 (expand_builtin_atomic_store): Likewise.
4544 (expand_builtin_atomic_clear): Likewise.
4546 2016-01-05 H.J. Lu <hongjiu.lu@intel.com>
4549 * config/i386/i386.c (ix86_expand_vector_logical_operator):
4550 Replace nonimmediate_operand with vector_operand.
4551 * config/i386/predicates.md (vector_operand): New predicate.
4552 (general_vector_operand): Replace nonimmediate_operand with
4554 * config/i386/sse.md: Replace nonimmediate_operand with
4555 vector_operand and m constraint with Bm constraint on SSE
4556 patterns with 16-byte memory operand.
4557 * config/i386/subst.md (round_nimm_predicate): Replace
4558 nonimmediate_operand with vector_operand.
4559 (round_saeonly_nimm_predicate): Likewise.
4560 (round_saeonly_nimm_scalar_predicate): New.
4562 2016-01-05 H.J. Lu <hongjiu.lu@intel.com>
4565 * config/i386/constraints.md (Bm): New constraint.
4566 * config/i386/predicates.md (vector_memory_operand): New
4568 * config/i386/sse.md: Replace xm with xBm in plusminus and
4571 2016-01-05 Sandra Loosemore <sandra@codesourcery.com>
4574 * doc/extend.texi (V850 Function Attributes): New section.
4575 (V850 Variable Attributes): New section.
4577 2016-01-05 Sandra Loosemore <sandra@codesourcery.com>
4580 * doc/extend.texi (MicroBlaze Function Attributes): Document
4581 interrupt_handler and fast_interrupt attributes.
4583 2016-01-05 Sergei Trofimovich <siarheit@google.com>
4586 * config/ia64/ia64.c (ia64_expand_load_address): Use gprel64
4587 for local symbolic operands.
4588 * config/ia64/predicates.md (local_symbolic_operand64): New
4591 2016-01-05 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
4593 PR rtl-optimization/68651
4594 * combine.c (combine_simplify_rtx): Canonicalize x + x into
4597 2016-01-05 Nathan Sidwell <nathan@acm.org>
4599 * alias.c (compare_base_decls): Use symtab_node::get.
4601 2016-01-05 Nick Clifton <nickc@redhat.com>
4604 * ira-costs.c (copy_cost): Initialise the t_icode field of the
4605 secondary_reload_info structure.
4608 * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Define to use weak
4609 decls if weak support is available.
4611 2016-01-04 Martin Sebor <msebor@redhat.com>
4613 * doc/invoke.texi (Warning Options): Document -Winvalid-memory-model.
4615 2016-01-04 Michael Meissner <meissner@linux.vnet.ibm.com>
4617 * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Add
4618 OPTION_MASK_P9_DFORM.
4620 * config/rs6000/constraints.md (wo constraint): New constraint for
4623 * config/rs6000/rs6000.c (rs6000_debug_reg_global): Add support
4625 (rs6000_init_hard_regno_mode_ok): Likewise.
4627 * config/rs6000/rs6000.h (r6000_reg_class_enum): Add support for
4630 * config/rs6000/altivec.md (altivec_vperm_<mode>): Clean up vperm
4631 expanders not to have constraints. Add support for ISA 3.0 xxperm
4632 instruction. Add support for fusing xxlor with xxperm.
4633 (altivec_vperm_<mode>_internal): Likewise.
4634 (altivec_vperm_v8hiv16qi): Likewise.
4635 (altivec_vperm_<mode>v16q): Likewise.
4636 (altivec_vperm_<mode>_uns): Likewise.
4637 (vperm_v8hiv4si): Likewise.
4638 (vperm_v16qiv8hi): Likewise.
4640 * doc/md.texi (RS/6000 constraints): Document wo constraint.
4642 2016-01-04 Jakub Jelinek <jakub@redhat.com>
4644 Update copyright years.
4646 * gcc.c (process_command): Update copyright notice dates.
4647 * gcov-dump.c (print_version): Ditto.
4648 * gcov.c (print_version): Ditto.
4649 * gcov-tool.c (print_version): Ditto.
4650 * gengtype.c (create_file): Ditto.
4651 * doc/cpp.texi: Bump @copying's copyright year.
4652 * doc/cppinternals.texi: Ditto.
4653 * doc/gcc.texi: Ditto.
4654 * doc/gccint.texi: Ditto.
4655 * doc/gcov.texi: Ditto.
4656 * doc/install.texi: Ditto.
4657 * doc/invoke.texi: Ditto.
4659 2016-01-04 Eric Botcazou <ebotcazou@adacore.com>
4661 * config/arm/arm.c (aapcs_vfp_allocate_return_reg): Treat all integer
4662 modes larger than TImode as TImode if NEON is not enabled.
4664 2016-01-04 Eric Botcazou <ebotcazou@adacore.com>
4667 * config/sparc/sparc.h (FUNCTION_ARG_REGNO_P): Return true in 64-bit
4668 mode for %f0-%f31 only if TARGET_FPU.
4670 2016-01-04 Eric Botcazou <ebotcazou@adacore.com>
4673 * config/sparc/sparc.c (scan_record_type): Take into account subfields
4674 to compute the PACKED_P predicate.
4675 (function_arg_record_value): Minor tweaks.
4677 2016-01-04 Thomas Preud'homme <thomas.preudhomme@arm.com>
4679 * doc/install.texi (--with-multilib-list): Describe the meaning of the
4680 option for arm*-*-* targets.
4682 2016-01-03 Sandra Loosemore <sandra@codesourcery.com>
4684 * doc/extend.texi (Common Function Attributes): Move docs for
4685 MSP430-specific attributes to....
4686 (MSP430 Function Attributes): ...here. Delete the redundant
4687 entries and copy-edit the remaining text.
4688 (MSP430 Variable Attributes): Use uniform format for index
4689 entries and add a cross-reference to the corresponding function
4692 2016-01-03 Vladimír Čunát <vcunat@gmail.com>
4694 * doc/invoke.texi (RS/6000 and PowerPC Options): Fix
4696 (x86 Options): Likewise.
4698 2016-01-01 Sandra Loosemore <sandra@codesourcery.com>
4702 * extend.texi (Common Function Attributes) <no_stack_limit>: New.
4703 * invoke.texi (Code Gen Options) <-fno-stack-limit>: Add pointer
4704 to corresponding attribute.
4706 2016-01-01 Sandra Loosemore <sandra@codesourcery.com>
4708 * doc/extend.texi (Common Function Attributes) <noplt>: Move
4709 to correct alphabetization of table. Copy-edit and correct
4711 <stack_protect>: Likewise.
4712 <target_clones>: Likewise.
4714 * doc/invoke.texi (Optimize Options) <-fstack-protector-explicit>:
4715 Correct punctuation.
4716 (Code Gen Options) <-fno-plt>: Copy-edit.
4718 2016-01-01 Bernd Edlinger <bernd.edlinger@hotmail.de>
4721 * config/tilegx/tilegx.md (clzsi2): Don't create DI subregs of
4722 SI values. Explicitly convert SI to DI and vice-versa.
4724 2016-01-01 Jakub Jelinek <jakub@redhat.com>
4726 PR tree-optimization/69070
4727 * tree-ssa-math-opts.c (gimple_expand_builtin_pow): Only test
4728 REAL_VALUE_ISSIGNALING_NAN on arg0 if arg0 is a REAL_CST.
4731 * ubsan.c (ubsan_instrument_float_cast): Call
4732 initialize_sanitizer_builtins.
4735 * ifcvt.c (find_cond_trap): Give up if returnjump_p (jump).
4737 Copyright (C) 2016 Free Software Foundation, Inc.
4739 Copying and distribution of this file, with or without modification,
4740 are permitted in any medium without royalty provided the copyright
4741 notice and this notice are preserved.