1 2016-02-24 Richard Biener <rguenther@suse.de>
3 PR tree-optimization/69907
4 * tree-vect-stmts.c (vectorizable_load): Check for gaps at the
5 end of permutations for BB vectorization.
7 2016-02-24 Christian Bruel <christian.bruel@st.com>
9 * config/arm/arm-c.c (arm_option_override): Initialize
10 target_option_current_node.
11 * config/arm/arm.c (arm_pragma_target_parse): Replace
12 build_target_option_node call by target_option_current_node.
13 Set target_option_current_node.
16 2016-02-23 David Edelsohn <dje.gcc@gmail.com>
19 * config/rs6000/rs6000.md (zero_extendqi<mode>2_dot): Convert from
20 define_insn_and_split to define_insn.
21 (zero_extendqi<mode>2_dot2): Same.
22 (extendqi<mode>2_dot): Same.
23 (extendqi<mode>2_dot2): Same.
25 2016-02-23 Evandro Menezes <e.menezes@samsung.com>
27 * config/arm/exynos-m1.md: Change cost of STP, fix bypass for stores
28 and add bypass for AES{D,E} and AESMC pairs.
29 * config/aarch64/aarch64.c (exynosm1_tunings): Enable fusion of AES{D,E}
32 2016-02-23 Evandro Menezes <e.menezes@samsung.com>
34 * config/aarch64/aarch64.c (exynosm1_tunings): Enable the Newton
35 series for reciprocal square root in Exynos M1.
37 2016-02-23 Martin Sebor <msebor@redhat.com>
40 * doc/extend.texi (Other Builtins): Document __builtin_alloca and
41 __builtin_alloca_with_align.
43 2016-02-23 Richard Henderson <rth@redhat.com>
45 * config/i386/i386-c.c (ix86_target_macros): Remove __SEG_TLS.
46 (ix86_register_pragmas): Remove __seg_tls.
47 * config/i386/i386-protos.h (ADDR_SPACE_SEG_TLS): Remove.
48 * config/i386/i386.c (ix86_print_operand_address_as): Don't handle it.
49 (ix86_addr_space_subset_p, TARGET_ADDR_SPACE_SUBSET_P): Remove.
50 (ix86_addr_space_convert, TARGET_ADDR_SPACE_CONVERT): Remove.
51 (ix86_addr_space_debug, TARGET_ADDR_SPACE_DEBUG): Remove.
52 * doc/extend.texi (__seg_tls): Remove item.
54 2016-02-23 Richard Biener <rguenther@suse.de>
56 * alloc-pool.h (struct allocation_object): Make id member
57 conditional on CHECKING_P again.
58 (get_instance): Adjust.
59 (base_pool_allocator): Likewise.
61 2016-02-23 Thomas Schwinge <thomas@codesourcery.com>
63 * tree-parloops.c (create_parallel_loop, gen_parallel_loop)
64 (parallelize_loops): In OpenACC kernels mode, set n_threads to
66 (pass_parallelize_loops::gate): In OpenACC kernels mode, gate on
68 * tree-ssa-loop.c (gate_oacc_kernels): Likewise.
70 2016-02-23 Richard Biener <rguenther@suse.de>
72 * mem-stats.h (struct mem_usage): Use PRIu64 for printing size_t.
73 * bitmap.h (struct bitmap_usage): Likewise.
74 (bitmap_move): Declare.
75 * bitmap.c (register_overhead): Take size_t argument.
76 (bitmap_move): New function.
77 * df-problems.c (df_rd_transfer_function): Use bitmap_move
78 to properly account overhead.
79 * tree.c (free_node): Use tree_size.
81 2016-02-23 Jakub Jelinek <jakub@redhat.com>
84 * fold-const.c (fold_truth_not_expr): Propagate TREE_NO_WARNING
85 when inverting comparison.
88 * common.opt (Wunreachable-code): Add Warning flag.
90 2016-02-23 Mark Wielaard <mjw@redhat.com>
91 Jakub Jelinek <jakub@redhat.com>
94 * cgraphunit.c (check_global_declaration): Check main_input_filename
95 and DECL_SOURCE_FILE are not NULL.
97 2016-02-23 Martin Jambor <mjambor@suse.cz>
99 PR tree-optimization/69666
100 * tree-sra.c (sra_modify_assign): Do not attempt to create
101 default_def replacements for unscalarizable regions.
103 2016-02-20 Mark Wielaard <mjw@redhat.com>
106 * cgraphunit.c (check_global_declaration): Check level of
107 warn_unused_const_variable and main_input_filename.
108 * doc/invoke.texi (Warning Options): Add -Wunused-const-variable=.
109 (-Wunused-variable): For C implies -Wunused-const-variable=1.
110 (-Wunused-const-variable): Explain levels 1 and 2.
112 2016-02-22 Jakub Jelinek <jakub@redhat.com>
115 * config/i386/i386.c (decide_alg): Ensure we don't recurse with
116 identical arguments. Formatting and spelling fixes.
119 * doc/md.texi (ashl@var{m}3): Document that mode of operand 2 must
124 * config/m68k/t-opts (OPTIONS_H_EXTRA): Add m68k-microarchs.def
125 and m68k-devices.def.
126 * config/c6x/t-c6x (OPTIONS_H_EXTRA): Add c6x-isas.def.
127 * config/aarch64/t-aarch64 (OPTIONS_H_EXTRA): Add aarch64-arches.def.
129 2016-02-22 Cesar Philippidis <cesar@codesourcery.com>
131 * config/nvptx/nvptx.c (nvptx_gen_shuffle): Add support for QImode
132 and HImode registers.
134 2016-02-22 Richard Biener <rguenther@suse.de>
136 PR tree-optimization/69882
137 * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Properly
138 preserve permutations present because of gaps.
139 (vect_supported_load_permutation_p): Always continue checking
140 permutations after vect_attempt_slp_rearrange_stmts.
142 2016-02-22 Bin Cheng <bin.cheng@arm.com>
144 * tree-vect-loop.c (vect_estimate_min_profitable_iters): Dump
145 min_profitable_estimate, rather than min_profitable_iters.
147 2016-02-22 Jakub Jelinek <jakub@redhat.com>
150 * config/m68k/m68k.md (ashldi3, ashrdi3, lshrdi3): Use
151 SImode for last match_operand.
153 2016-02-22 Martin Liska <mliska@suse.cz>
155 * hsa-gen.c (gen_hsa_clrsb): In case of zero value,
156 return bitsize - 1 as the return value.
158 2016-02-22 Oleg Endo <olegendo@gcc.gnu.org>
162 * config/sh/sh.c (sh_lshrsi_clobbers_t_reg_p, sh_dynamicalize_shift_p):
163 Handle negative shift counts.
164 * config/sh/sh.md (ashlsi3, lshrsi3_n, lshrsi3_n_clobbers_t): Don't use
165 force_reg on the shift constant.
166 (lshrsi3): Likewise. Expand into lshrsi3_n* instead of lshrsi3_d.
167 (lshrsi3_d): Handle negative shift counts.
169 2016-02-22 Richard Biener <rguenther@suse.de>
170 Tom de Vries <tom@codesourcery.com>
172 * graph.c: Include dumpfile.h.
173 (print_graph_cfg): Split into three overloads.
174 * gdbhooks.py (class DotFn): Add and instantiate, adding command dot-fn.
176 2016-02-22 Tom de Vries <tom@codesourcery.com>
178 * gdbhooks.py (class DumpFn): Add and instantiate, adding command
181 2016-02-22 Richard Biener <rguenther@suse.de>
184 * ipa-inline-transform.c (inline_call): When not updating
185 overall summaries adjust self size by the growth estimate.
186 * ipa-inline.c (inline_to_all_callers_1): Add to the callers
187 hash-set, do not update overall summaries here. Renamed from ...
188 (inline_to_all_callers): ... this which is now wrapping the
189 above and performing delayed overall summary update.
190 (early_inline_small_functions): Delay updating of the overall
193 2016-02-21 Markus Trippelsdorf <markus@trippelsdorf.de>
195 * tree-chkp.c (chkp_mark_invalid_bounds_walker): Initialize
198 2016-02-19 Jakub Jelinek <jakub@redhat.com>
201 * gcc.c (LINK_COMMAND_SPEC, GOMP_SELF_SPECS): Use
202 :%* in %:gt() argument.
203 (greater_than_spec_func): Adjust for expecting only numbers,
204 if there are more than two numbers, compare the last two.
206 2016-02-19 Jonathan Wakely <jwakely@redhat.com>
208 * doc/invoke.texi (C++ Dialect Options): Clarify interaction of
209 -Wnarrowing with -std.
211 2016-02-19 Jakub Jelinek <jakub@redhat.com>
214 * expr.c (store_field): Don't use bit-field path if exp is
215 COMPONENT_REF with TREE_ADDRESSABLE type, where TYPE_SIZE is
216 different from bitsize, but DECL_SIZE of FIELD_DECL is bitsize
217 and the assignment can be performed by bitwise copy. Formatting
221 * lra.c (lra_process_new_insns): If non-call exceptions are enabled,
222 call copy_reg_eh_region_note_forward on before and/or after sequences
223 and remove note from insn if it no longer can throw.
226 * config/i386/sse.md (VI_512): Only include V64QImode and V32HImode
229 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
231 * config/s390/vector.md: Add missing commutative operand markers
232 to the patterns which qualify for one.
233 * config/s390/vx-builtins.md: Likewise.
235 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
237 * config/s390/vector.md (VI, VI_QHS): Add single element vector
238 types to mode iterators.
239 (vec_double): ... and mode attribute.
240 * config/s390/vx-builtins.md (non_vec_int): Likewise.
242 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
244 * config/s390/vector.md ("<ti*>add<mode>3", "<ti*>sub<mode>3"):
245 Change the predicate of op2 from nonimmediate to general and let
246 reload fix it if necessary.
248 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
250 * config/s390/vecintrin.h (vec_sub_u128): Define missing macro.
252 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
254 * config/s390/s390.c (s390_expand_vcond): Use the compare operand
257 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
259 * config/s390/s390-protos.h: Add s390_expand_vec_movstr prototype.
260 * config/s390/s390.c (s390_expand_vec_movstr): New function.
261 * config/s390/s390.md ("movstr<P:mode>"): Call
262 s390_expand_vec_movstr.
264 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
266 * config/s390/s390.md: Add missing output modifier for operand 1
267 to print it as address properly.
269 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
271 * config/s390/2827.md: Rename ooo_* insn attributes to zEC12_*.
272 * config/s390/2964.md: New file.
273 * config/s390/s390.c (s390_get_sched_attrmask): Use the right set
274 of insn grouping attributes depending on the CPU level.
275 (s390_get_unit_mask): New function.
276 (s390_sched_score): Remove the OOO from the scheduling macros.
277 Add loop to calculate a score for the instruction mix.
278 (s390_sched_reorder): Likewise plus improve debug output.
279 (s390_sched_variable_issue): Rename macros as above. Calculate
280 the unit distances after actually scheduling an insn. Improve
282 (s390_sched_init): Clear last_scheduled_unit_distance array.
283 * config/s390/s390.md: Include 2964.md.
285 2016-02-18 Jakub Jelinek <jakub@redhat.com>
288 * config/i386/sse.md (*<floatsuffix>floatv2div2sf2_mask_1,
289 *avx512vl_<code>v2div2qi2_mask_1, *avx512vl_<code><mode>v4qi2_mask_1,
290 *avx512vl_<code><mode>v8qi2_mask_1, *avx512vl_<code><mode>v4hi2_mask_1,
291 *avx512vl_<code>v2div2hi2_mask_1, *avx512vl_<code>v2div2si2_mask_1,
292 *avx512f_<code>v8div16qi2_mask_1): New insns.
294 2016-02-18 Michael Meissner <meissner@linux.vnet.ibm.com>
297 * config/rs6000/predicates.md (fusion_gpr_addis): Revert
300 * config/rs6000/rs6000.md (fusion_gpr_load_<mode>): Remove
301 earlyclobber from target. Use wF constraint for fused memory
303 (fusion_gpr_<P:mode>_<GPR_FUSION:mode>_load): Likewise.
305 2016-02-18 Jakub Jelinek <jakub@redhat.com>
306 Martin Liska <mliska@suse.cz>
309 * cfgexpand.c (asan_sanitize_stack_p): New function.
310 (partition_stack_vars): Use the function.
311 (expand_stack_vars): Likewise.
312 (defer_stack_allocation): Likewise.
313 (expand_used_vars): Likewise.
315 2016-02-18 Richard Biener <rguenther@suse.de>
318 * fold-const.c (operand_equal_p): Properly compare offsets for
319 IMAGPART_EXPR and ARRAY_REF.
321 2016-02-18 Nick Clifton <nickc@redhat.com>
325 * config/arm/arm.c (arm_option_override_internal): Disable
326 interworking if the target does not support thumb instructions.
327 (arm_reload_in_hi): Handle the case where a register to register
328 move needs reloading because there is no simple pattern to handle
330 (arm_reload_out_hi): Likewise.
332 2016-02-18 Richard Biener <rguenther@suse.de>
335 * match.pd: Don't use fold_binary or fold_unary for folding
338 2016-02-17 Jakub Jelinek <jakub@redhat.com>
341 * gimplify.c (gimplify_cond_expr): Call gimple_set_no_warning
342 on the cond_stmt from TREE_NO_WARNING on COND_EXPR_COND.
343 * gimple-ssa-nonnull-compare.c (do_warn_nonnull_compare): Don't
344 warn on gimple_no_warning_p statements.
346 2016-02-17 Jonathan Wakely <jwakely@redhat.com>
348 * doc/extend.texi (C++ Attributes): Correct description of
349 warn_unused type attribute.
351 2016-02-17 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
353 * config/rs6000/altivec.md (*altivec_lvxl_<mode>_internal): Output
356 2016-02-17 Richard Biener <rguenther@suse.de>
358 PR rtl-optimization/69609
359 * bb-reorder.c (struct bbro_basic_block_data): Add priority member.
360 (find_traces_1_round): When ending a trace update cached priority
362 (bb_to_key): Use cached priority when available.
363 (copy_bb): Initialize cached priority.
364 (reorder_basic_blocks_software_trace_cache): Likewise.
366 2016-02-17 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
369 * config/aarch64/predicates.md (aarch64_comparison_operator_mode):
371 (aarch64_comparison_operator): Break overly long line into two.
372 (aarch64_comparison_operation): Likewise.
373 * config/aarch64/aarch64.md (cstorecc4): Use
374 aarch64_comparison_operator_mode instead of
375 aarch64_comparison_operator.
376 (cstore<mode>4): Likewise.
377 (aarch64_cstore<mode>): Likewise.
378 (*cstoresi_insn_uxtw): Likewise.
379 (cstore<mode>_neg): Likewise.
380 (*cstoresi_neg_uxtw): Likewise.
382 2016-02-17 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
385 * config/arm/predicates.md (arm_comparison_operator_mode):
387 * config/arm/arm.md (*mov_scc): Use arm_comparison_operator_mode
388 instead of arm_comparison_operator.
389 (*mov_negscc): Likewise.
390 (*mov_notscc): Likewise.
391 * config/arm/thumb2.md (*thumb2_mov_scc): Likewise.
392 (*thumb2_mov_negscc): Likewise.
393 (*thumb2_mov_negscc_strict_it): Likewise.
394 (*thumb2_mov_notscc): Likewise.
395 (*thumb2_mov_notscc_strict_it): Likewise.
397 2016-02-17 Wilco Dijkstra <wdijkstr@arm.com>
399 * config/aarch64/aarch64.c (aarch64_internal_mov_immediate):
402 2016-02-17 Eric Botcazou <ebotcazou@adacore.com>
404 * config/visium/visium.c (machine_libfunc_index): New enum.
405 (machine_libfuncs): New structure.
406 (visium_libfuncs): New static variable.
407 (TARGET_INIT_LIBFUNCS): Define to...
408 (visium_init_libfuncs): ...this. New function.
409 (expand_block_move_4): Use the appropriate libfunc.
410 (expand_block_move_2): Likewise.
411 (expand_block_move_1): Likewise.
412 (expand_block_set_4): Likewise.
413 (expand_block_set_2): Likewise.
414 (expand_block_set_1): Likewise.
415 (visium_trampoline_init): Likewise.
417 2016-02-17 Nick Clifton <nickc@redhat.com>
419 * config/msp430/msp430.c (msp430_mcu_data): Sync with data from
420 TI's devices.csv file as of March 2016.
422 2016-02-16 Kelvin Nilsen <kelvin@gcc.gnu.org>
425 * opts-global.c (handle_common_deferred_options): Introduce and
426 initialize two global variables to remember command-line options
427 specifying a stack-limiting register.
428 * opts.h: Add extern declarations of the two new global variables.
429 * emit-rtl.c (init_emit_once): Initialize the stack_limit_rtx
430 variable based on the values of the two new global variables.
432 2016-02-16 Jakub Jelinek <jakub@redhat.com>
435 * common.opt (Wnonnull-compare): New warning.
436 * doc/invoke.texi (-Wnonnull): Remove text about comparison
437 of arguments against NULL.
438 (-Wnonnull-compare): Document.
439 * Makefile.in (OBJS): Add gimple-ssa-nonnull-compare.o.
440 * tree-pass.h (make_pass_warn_nonnull_compare): Declare.
441 * passes.def (pass_warn_nonnull_compare): Add.
442 * gimple-ssa-nonnull-compare.c: New file.
444 2016-02-16 James Greenhalgh <james.greenhalgh@arm.com>
446 * config/aarch64/aarch64.c (cortexa57_tunings): Remove
447 AARCH64_EXTRA_TUNE_RECIP_SQRT.
449 2016-02-16 James Greenhalgh <james.greenhalgh@arm.com>
451 * config/aarch64/aarch64.c (use_rsqrt_p): Always use software
452 reciprocal sqrt for -mlow-precision-recip-sqrt.
454 2016-02-16 James Greenhalgh <james.greenhalgh@arm.com>
455 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
457 * config/aarch64/aarch64.c (aarch64_expand_vector_init): Refactor,
458 always use lane loads to construct non-constant vectors.
460 2016-02-16 James Greenhalgh <james.greenhalgh@arm.com>
462 * config/aarch64/aarch64.md
463 (arch64_sqrdml<SQRDMLH_AS:rdma_as>h_lane<mode>): Fix register
464 constraints for operand 3.
465 (aarch64_sqrdml<SQRDMLH_AS:rdma_as>h_laneq<mode>): Likewise.
467 2016-02-16 Jakub Jelinek <jakub@redhat.com>
468 Richard Biener <rguenther@suse.de>
470 PR tree-optimization/69820
471 * tree-vect-patterns.c (type_conversion_p): Return false if
472 *orig_type is unsigned single precision or boolean.
473 (vect_recog_dot_prod_pattern, vect_recog_widen_mult_pattern):
476 2016-02-16 Jakub Jelinek <jakub@redhat.com>
478 PR rtl-optimization/69764
479 PR rtl-optimization/69771
480 * optabs.c (expand_binop): Ensure for shift optabs invalid CONST_INT
481 op1 is valid for GET_MODE_INNER (mode) and force it into a reg.
483 2016-02-16 Richard Biener <rguenther@suse.de>
485 PR tree-optimization/69776
486 * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Get alias
488 (indirect_refs_may_alias_p): Likewise.
489 (refs_may_alias_p_1): Pass alias sets as from ao_ref.
490 * tree-ssa-sccvn.c (vn_reference_lookup): Also adjust vr alias-set
492 * tree-ssa-dom.c (lookup_avail_expr): Add tbaa_p flag.
493 (optimize_stmt): For redundant store discovery do not allow tbaa.
495 2016-02-16 Bernd Schmidt <bschmidt@redhat.com>
497 PR tree-optimization/69714
498 * tree-ssa-math-opts.c (find_bswap_or_nop): Revert previous change.
499 Return NULL if we have irrelevant high bytes on BIG_ENDIAN.
501 2016-02-16 Claudiu Zissulescu <claziss@synopsys.com>
503 * config/arc/arc-modes.def (CC_FPU, CC_FPU_UNEQ): New modes.
504 * config/arc/arc-opts.h (FPU_SP, FPU_SF, FPU_SC, FPU_SD, FPU_DP)
505 (FPU_DF, FPU_DC, FPU_DD, FXP_DP): Define.
506 * config/arc/arc.c (arc_init): Check FPU options.
507 (get_arc_condition_code): Handle new CC_FPU* modes.
508 (arc_select_cc_mode): Likewise.
509 (arc_conditional_register_usage): Allow 64 bit datum into even-odd
510 register pair only. Allow access for ARCv2 accumulator.
511 (gen_compare_reg): Whenever we have FPU support use FPU compare
513 (arc_reorg): Don't generate brcc insns when FPU compare
514 instructions are involved.
515 * config/arc/arc.h (TARGET_DPFP): Add TARGET_FP_DPAX condition.
516 (TARGET_OPTFPE): Add condition when ARC EM can use optimized
517 floating point emulation.
518 (ACC_REG_FIRST, ACC_REG_LAST, ACCL_REGNO, ACCH_REGNO): Define.
519 (REVERSE_CONDITION): Add new CC_FPU* modes.
520 (TARGET_FP_SP_BASE): Define.
521 (TARGET_FP_DP_BASE): Likewise.
522 (TARGET_FP_SP_FUSED): Likewise.
523 (TARGET_FP_DP_FUSED): Likewise.
524 (TARGET_FP_SP_CONV): Likewise.
525 (TARGET_FP_DP_CONV): Likewise.
526 (TARGET_FP_SP_SQRT): Likewise.
527 (TARGET_FP_DP_SQRT): Likewise.
528 (TARGET_FP_DP_AX): Likewise.
529 * config/arc/arc.md (ARCV2_ACC): New constant.
530 (type): New fpu type attribute.
531 (SDF): Conditional iterator.
532 (cstore<mode>, cbranch<mode>): Change expand condition.
533 (addsf3, subsf3, mulsf3, adddf3, subdf3, muldf3): New expands,
534 handles FPU/FPX cases as well.
535 * config/arc/arc.opt (mfpu): New option.
536 * config/arc/fpx.md (addsf3_fpx, subsf3_fpx, mulsf3_fpx):
538 (adddf3, muldf3, subdf3): Removed.
539 * config/arc/predicates.md (proper_comparison_operator): Recognize
541 * config/arc/fpu.md: New file.
542 * doc/invoke.texi (ARC Options): Document mfpu option.
544 2016-02-16 Richard Biener <rguenther@suse.de>
546 PR rtl-optimization/69291
547 * ifcvt.c (noce_try_store_flag_constants): Re-instantiate
548 noce_operand_ok check.
550 2016-02-16 Tom de Vries <tom@codesourcery.com>
553 * omp-low.c (simd_clone_create): Remove call to
554 symtab->call_cgraph_insertion_hooks.
556 2016-02-16 Jakub Jelinek <jakub@redhat.com>
558 PR tree-optimization/69802
559 * tree-ssa-reassoc.c (update_range_test): If op is
560 SSA_NAME_IS_DEFAULT_DEF, give up unless tem is a positive
561 op == 1 test of precision 1 integral op, otherwise handle
562 that case as op itself. Fix up formatting.
563 (optimize_range_tests_to_bit_test, optimize_range_tests): Fix
566 2016-02-16 Richard Biener <rguenther@suse.de>
568 PR tree-optimization/69586
569 * tree-vrp.c (register_edge_assert_for_2): Handle all integral
570 types for conversion sources.
572 2016-02-16 Richard Biener <rguenther@suse.de>
575 * fold-const.c (operand_equal_p): For COND_EXPR zero operand
578 2016-02-16 Alan Modra <amodra@gmail.com>
581 * config/rs6000/rs6000.md (reload_vsx_from_gprsf): Rewrite splitter.
582 (p8_mtvsrd_df, p8_mtvsrd_sf): New.
583 (p8_mtvsrd_1, p8_mtvsrd_2): Delete.
585 (p8_mtvsrwz_1, p8_mtvsrwz_2): Delete.
586 (p8_xxpermdi_<mode>): Take two DF inputs rather than one TF.
587 (p8_fmrgow_<mode>): Likewise.
588 (reload_vsx_from_gpr<mode>): Make clobber IF. Adjust for above
590 (reload_fpr_from_gpr<mode>): Similarly. Use "d" for op0 constraint.
591 (reload_vsx_from_gprsf): Use p8_mtvsrd_sf rather than attempting
592 to use movdi_internal64. Remove op0_di.
593 * config/rs6000/vsx.md (vsx_xscvspdpn_directmove): Make op1 SFmode.
595 2016-02-15 Evandro Menezes <e.menezes@samsung.com>
597 Add support for the FCCMP insn types
599 * config/aarch64/aarch64.md (fccmp): Change insn type.
601 * config/aarch64/thunderx.md (thunderx_fcmp): Add "fccmp{s,d}" types.
602 * config/arm/cortex-a53.md (cortex_a53_fpalu): Likewise.
603 * config/arm/cortex-a57.md (cortex_a57_fp_cmp): Likewise.
604 * config/arm/xgene1.md (xgene1_fcmp): Likewise.
605 * config/arm/exynos-m1.md (exynos_m1_fp_ccmp): New insn reservation.
606 * config/arm/types.md (fccmps): Add new insn type.
609 2016-02-15 Bernd Edlinger <bernd.edlinger@hotmail.de>
611 * alias.c (get_alias_set): Fix a typo in comment.
613 2016-02-15 Richard Biener <rguenther@suse.de>
615 PR tree-optimization/69595
616 * match.pd: Complete range test simplification to true.
618 2016-02-15 Bernd Schmidt <bschmidt@redhat.com>
620 PR rtl-optimization/69648
621 * lra-constraints.c (update_ebb_live_info): Don't remove sets of
622 pic_offset_table_rtx.
624 PR rtl-optimization/69752
625 * ira.c (update_equiv_regs): When looking for more than a single SET,
626 also take other side effects into account.
628 2016-02-15 Marcin Kościelnicki <koriakin@0x04.net>
630 * config/s390/s390.c (s390_function_profiler): Add a new sequence
631 for z900+ CPUs in 31-bit mode.
633 2016-02-15 Marcin Kościelnicki <koriakin@0x04.net>
635 * common/config/s390/s390-common.c (s390_supports_split_stack):
637 (TARGET_SUPPORTS_SPLIT_STACK): New macro.
638 * config/s390/s390-protos.h: Add s390_expand_split_stack_prologue.
639 * config/s390/s390.c (struct machine_function): New field
640 split_stack_varargs_pointer.
641 (s390_register_info): Mark r12 as clobbered if it'll be used as temp
642 in s390_emit_prologue.
643 (s390_emit_prologue): Use r12 as temp if r1 is taken by split-stack
645 (morestack_ref): New global.
646 (SPLIT_STACK_AVAILABLE): New macro.
647 (s390_expand_split_stack_prologue): New function.
648 (s390_live_on_entry): New function.
649 (s390_va_start): Use split-stack vararg pointer if appropriate.
650 (s390_asm_file_end): Emit the split-stack note sections.
651 (TARGET_EXTRA_LIVE_ON_ENTRY): New macro.
652 * config/s390/s390.md (UNSPEC_STACK_CHECK): New unspec.
653 (UNSPECV_SPLIT_STACK_CALL): New unspec.
654 (UNSPECV_SPLIT_STACK_DATA): New unspec.
655 (split_stack_prologue): New expand.
656 (split_stack_space_check): New expand.
657 (split_stack_data): New insn.
658 (split_stack_call): New expand.
659 (split_stack_call_*): New insn.
660 (split_stack_cond_call): New expand.
661 (split_stack_cond_call_*): New insn.
663 2016-02-15 Richard Biener <rguenther@suse.de>
665 PR tree-optimization/69783
666 * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
667 Add trivially correct cases.
669 2016-02-15 Tom de Vries <tom@codesourcery.com>
672 * lto-cgraph.c (input_offload_tables): Add and handle bool parameter
674 * lto-streamer.h (input_offload_tables): Add and handle bool parameter.
676 2016-02-15 Richard Biener <rguenther@suse.de>
678 PR tree-optimization/69776
679 * tree-ssa-sccvn.h (vn_reference_lookup): Adjust prototype.
680 * tree-ssa-sccvn.c (vn_reference_lookup): Add parameter to
681 indicate whether we can use TBAA to disambiguate against stores.
682 Use alias-set zero if not.
683 (visit_reference_op_store): Do not use TBAA when looking up
685 * tree-ssa-pre.c (compute_avail): Use TBAA here.
686 (eliminate_dom_walker::before_dom_children): But not when looking
689 2016-02-14 John David Anglin <danglin@gcc.gnu.org>
691 * config/pa/pa.md (absqi2, absghi2, bswaphi2, bswapsi2, bswapdi2): New.
693 2016-02-14 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
695 * config/i386/znver1.md
696 (znver1_pop, znver1_pop_mem,
697 znver1_load_imov_double_store,
698 znver1_load_imov_direct_store,
699 znver1_load_imov_direct_load,
700 znver1_load_imov_double_load): Add new.
701 (znver1_insn, znver1_insn_load): Add icmov type.
703 znver1_sseavx_fma_load,
705 znver1_avx256_fma_load): Fix pipe usage.
707 2016-02-14 Alan Modra <amodra@gmail.com>
710 * reloads.c (find_reloads_address_1): For pre/post-inc/dec
711 with an invalid hard reg, reload just the reg not the entire
712 pre/post-inc/dec address expression.
714 2016-02-13 Oleg Endo <olegendo@gcc.gnu.org>
717 * config/sh/sh.md (sibcall_value_pcrel): Replace =&k scratch reg with
718 fixed R1_REG scratch reg.
719 (sibcall_value_pcrel_fdpic): Likewise.
721 2016-02-13 Oleg Endo <olegendo@gcc.gnu.org>
725 * config/sh/sh.md (*zero_extract_3): New insn_and_split pattern.
727 2016-02-12 Walter Lee <walt@tilera.com>
729 * config/tilepro/t-tilepro: Replace CC_FOR_BUILD with CXX_FOR_BUILD.
730 * config/tilegx/t-tilegx: Likewise.
732 2016-02-12 David Malcolm <dmalcolm@redhat.com>
735 * diagnostic-show-locus.c (struct line_span): New struct.
736 (layout::get_first_line): Delete.
737 (layout::get_last_line): Delete.
738 (layout::get_num_line_spans): New member function.
739 (layout::get_line_span): Likewise.
740 (layout::print_heading_for_line_span_index_p): Likewise.
741 (layout::get_expanded_location): Likewise.
742 (layout::calculate_line_spans): Likewise.
743 (layout::m_first_line): Delete.
744 (layout::m_last_line): Delete.
745 (layout::m_line_spans): New field.
746 (layout::layout): Update comment. Replace m_first_line and
747 m_last_line with m_line_spans, replacing their initialization
748 with a call to calculate_line_spans.
749 (diagnostic_show_locus): When printing source lines and
750 annotations, rather than looping over a single span
751 of lines, instead loop over each line_span within
752 the layout, with an inner loop over the lines within them.
753 Call the context's start_span callback when changing line spans.
754 * diagnostic.c (diagnostic_initialize): Initialize start_span.
755 (diagnostic_build_prefix): Break out the building of the location
756 part of the string into...
757 (diagnostic_get_location_text): ...this new function, rewriting
758 it from nested ternary expressions to a sequence of "if"
760 (default_diagnostic_start_span_fn): New function.
761 * diagnostic.h (diagnostic_start_span_fn): New typedef.
762 (diagnostic_context::start_span): New field.
763 (default_diagnostic_start_span_fn): New prototype.
765 2016-02-12 David Malcolm <dmalcolm@redhat.com>
768 * gcc.c (driver::finalize): Fix cleanup of "specs".
770 2016-02-12 David Malcolm <dmalcolm@redhat.com>
774 * gcc.c (driver::driver): Initialize m_option_suggestions.
775 (driver::~driver): Clean up m_option_suggestions.
776 (suggest_option): Convert to...
777 (driver::suggest_option): ...this, and split out into
778 driver::build_option_suggestions and find_closest_string.
779 (driver::build_option_suggestions): New function, from
780 first half of suggest_option. Special-case
781 OPT_fsanitize_ and OPT_fsanitize_recover_, making use of
782 the sanitizer_opts array. For options of enum types, add the
783 various enum values to the candidate strings.
784 (driver::handle_unrecognized_options): Remove "const".
785 * gcc.h (driver::handle_unrecognized_options): Likewise.
786 (driver::build_option_suggestions): New decl.
787 (driver::suggest_option): New decl.
788 (driver::m_option_suggestions): New field.
789 * opts-common.c (add_misspelling_candidates): New function.
790 * opts.c (sanitizer_opts): Remove decl of struct sanitizer_opts_s
792 * opts.h (sanitizer_opts): New array decl.
793 (add_misspelling_candidates): New function decl.
794 * spellcheck.c (find_closest_string): New function.
795 * spellcheck.h (find_closest_string): New function decl.
797 2016-02-12 Jakub Jelinek <jakub@redhat.com>
799 PR rtl-optimization/69764
800 PR rtl-optimization/69771
801 * optabs.c (expand_binop_directly): For shift_optab_p, force
802 convert_modes with VOIDmode if xop1 has VOIDmode.
804 2016-02-12 Ilya Enkovich <enkovich.gnu@gmail.com>
807 * lto-streamer-out.c (lto_output): Use thunk.add_pointer_bounds_args
808 to correctly determine instrumentation thunks.
810 2016-02-12 Jakub Jelinek <jakub@redhat.com>
813 * ipa-split.c (split_function): If split part returns TREE_ADDRESSABLE
814 type by reference, force lhs on the call.
817 * ipa-split.c (split_function): Don't compute/use main_part_return_p.
818 Compute retval and retbnd early in all cases if split_part_return_p
819 and return_bb is not EXIT. Remove all clobber stmts and reset
820 all debug stmts that refer to SSA_NAMEs defined in split part,
821 except if it is retval, in that case replace the old retval with the
822 lhs of the call to the split part.
824 2016-02-12 Kugan Vivekanandarajah <kuganv@linaro.org>
827 2016-02-12 Kugan Vivekanandarajah <kuganv@linaro.org>
830 * tree-ssa-reassoc.c (optimize_range_tests): Handle tcc_compare stmt
831 whose result is used in PHI.
832 (maybe_optimize_range_tests): Likewise.
833 (final_range_test_p): Likweise.
835 2016-02-12 Kugan Vivekanandarajah <kuganv@linaro.org>
838 * tree-ssa-reassoc.c (optimize_range_tests): Handle tcc_compare stmt
839 whose result is used in PHI.
840 (maybe_optimize_range_tests): Likewise.
841 (final_range_test_p): Likweise.
843 2016-02-12 Jakub Jelinek <jakub@redhat.com>
845 * cgraph.c: Spelling fixes - behaviour -> behavior and
846 neighbour -> neighbor.
847 * target.def: Likewise.
848 * sel-sched.c: Likewise.
849 * config/mips/mips.c: Likewise.
850 * config/arc/arc.md: Likewise.
851 * config/arm/cortex-a57.md: Likewise.
852 * config/arm/arm.c: Likewise.
853 * config/arm/neon.md: Likewise.
854 * config/arm/arm-c.c: Likewise.
855 * config/vms/vms-c.c: Likewise.
856 * config/s390/s390.c: Likewise.
857 * config/i386/znver1.md: Likewise.
858 * config/i386/i386.c: Likewise.
859 * config/ia64/hpux-unix2003.h: Likewise.
860 * config/msp430/msp430.md: Likewise.
861 * config/rx/rx.c: Likewise.
862 * config/rx/rx.md: Likewise.
863 * config/aarch64/aarch64-simd.md: Likewise.
864 * config/aarch64/aarch64.c: Likewise.
865 * config/nvptx/nvptx.c: Likewise.
866 * config/bfin/bfin.c: Likewise.
867 * config/cris/cris.opt: Likewise.
868 * config/rs6000/rs6000.c: Likewise.
869 * target.h: Likewise.
870 * spellcheck.c: Likewise.
871 * ira-build.c: Likewise.
872 * tree-inline.c: Likewise.
873 * builtins.c: Likewise.
874 * lra-constraints.c: Likewise.
875 * explow.c: Likewise.
877 * targhooks.c: Likewise.
878 * tree-vect-data-refs.c: Likewise.
880 * doc/tm.texi: Likewise.
881 * doc/extend.texi: Likewise.
882 * doc/install.texi: Likewise.
883 * doc/md.texi: Likewise.
884 * tree-ssa-tail-merge.c: Likewise.
885 * sched-int.h: Likewise.
886 * match.pd: Likewise.
887 * sched-ebb.c: Likewise.
888 * target.def (omit_struct_return_reg): Likewise.
889 * gimple-ssa-isolate-paths.c: Likewise.
890 (find_implicit_erroneous_behaviour): Renamed to...
891 (find_implicit_erroneous_behavior): ... this.
892 (find_explicit_erroneous_behaviour): Renamed to...
893 (find_explicit_erroneous_behavior): ... this.
894 (gimple_ssa_isolate_erroneous_paths): Adjust caller.
896 2016-02-11 Segher Boessenkool <segher@kernel.crashing.org>
898 PR rtl-optimization/64682
899 PR rtl-optimization/69567
900 PR rtl-optimization/69737
901 * combine.c (distribute_notes) <REG_DEAD>: If the register is set
902 in I2 as well, just lose it.
904 2016-02-11 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
906 * config/aarch64/aarch64.c (aarch64_last_printed_arch_string):
908 (aarch64_last_printed_tune_string): Likewise.
909 (aarch64_declare_function_name): Only output .arch assembler
910 directive if it will be different from the previously output
911 directive. Same for .tune comment but only if -dA is set.
912 (aarch64_start_file): New function.
913 (TARGET_ASM_FILE_START): Define.
915 2016-02-11 David Malcolm <dmalcolm@redhat.com>
918 * Makefile.in (PLUGIN_HEADERS): Add params.list.
920 2016-02-11 Jakub Jelinek <jakub@redhat.com>
923 * tree-vect-slp.c (vect_schedule_slp_instance): Avoid
924 -Wmaybe-uninitialized warning.
926 2016-02-11 Oleg Endo <olegendo@gcc.gnu.org>
929 * config/sh/sh.md (casesi_worker_0): Add T_REG use.
931 2016-02-11 Richard Biener <rguenther@suse.de>
933 PR rtl-optimization/69291
934 * ifcvt.c (noce_try_store_flag_constants): Do not allow
935 subexpressions affected by changing the result.
937 2016-02-10 Vladimir Makarov <vmakarov@redhat.com>
940 * lra-constraints.c (curr_insn_transform): Find in/out operands
941 for secondary memory moves. Update dups.
943 2016-02-10 Yuri Rumyantsev <ysrumyan@gmail.com>
945 PR tree-optimization/69652
946 * tree-vect-loop.c (optimize_mask_stores): Move declaration of STMT1
947 to nested loop, did source re-formatting, skip debug statements,
948 add check on statement with volatile operand, remove dead scalar
951 2016-02-10 Jakub Jelinek <jakub@redhat.com>
952 Patrick Palka <ppalka@gcc.gnu.org>
956 * gimplify.c (gimplify_modify_expr): Set lhs even for noreturn
957 calls if the return type is TREE_ADDRESSABLE.
958 * cgraphunit.c (cgraph_node::expand_thunk): Likewise.
959 * ipa-split.c (split_function): Fix doubled "we" in comment.
960 Use void return type for the split part even if
961 !split_point->split_part_set_retval.
963 2016-02-10 Bin Cheng <bin.cheng@arm.com>
965 PR tree-optimization/68021
966 * tree-ssa-loop-ivopts.c (get_computation_aff): Set ratio to 1 if
967 when computing the value of biv cand by itself.
969 2016-02-10 Wilco Dijkstra <wdijkstr@arm.com>
971 * config/aarch64/aarch64.c (cortexa53_tunings): Enable AES fusion.
972 (cortexa57_tunings): Likewise.
973 (cortexa72_tunings): Likewise.
974 (arch_macro_fusion_pair_p): Add support for AES fusion.
975 * config/aarch64/aarch64-fusion-pairs.def: Add AES_AESMC entry.
976 * config/arm/aarch-common.c (aarch_crypto_can_dual_issue):
977 Allow virtual registers before reload so early scheduling works.
978 * config/arm/cortex-a57.md (cortex_a57_crypto_simple): Use
979 correct latency and pipeline.
980 (cortex_a57_crypto_complex): Likewise.
981 (cortex_a57_crypto_xor): Likewise.
982 (define_bypass): Add AES bypass.
984 2016-02-10 Richard Biener <rguenther@suse.de>
986 PR tree-optimization/69726
987 * passes.def: Add DCE pass before late uninit.
988 * match.pd: Add A ? B : (!A ? C : X) -> A ? B : C patterns to
989 really fixup if-conversions job.
991 2016-02-10 Wilco Dijkstra <wdijkstr@arm.com>
993 * config/arm/arm.c (arm_cortex_a53_tune): Enable AES fusion.
994 (arm_cortex_a57_tune): Likewise.
995 (aarch_macro_fusion_pair_p): Add support for AES fusion.
996 * config/arm/arm-protos.h (fuse_ops): Add FUSE_AES_AESMC.
998 2016-02-10 Eric Botcazou <ebotcazou@adacore.com>
1000 * timevar.def (TV_PHASE_DBGINFO): Delete.
1001 (TV_PHASE_CHECK_DBGINFO): Likewise.
1002 * varpool.c (varpool_node::assemble_decl): Do not change timevar.
1004 2016-02-10 Richard Biener <rguenther@suse.de>
1006 PR tree-optimization/69719
1007 * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
1008 Adjust previous fix by ensuring that dr_a1 is left of dr_a2.
1010 2016-02-09 Andrew Pinski <apinski@cavium.com>
1013 * optabs-tree.c (expand_vec_cond_expr_p): Don't early return if
1014 get_vcond_mask_icode returns false.
1016 2016-02-09 Michael Meissner <meissner@linux.vnet.ibm.com>
1019 * config/rs6000/predicates.md (fusion_gpr_addis): Prevent fusing
1020 an ADDIS that adds a pointer to a large constant that sets the
1021 upper16 bits with a load operation.
1023 2016-02-09 Charles Baylis <charles.baylis@linaro.org>
1026 * config/arm/arm.c (arm_evpc_neon_vzip): Allow for big endian lane
1028 * config/arm/arm_neon.h (vzipq_s8): Adjust shuffle patterns for big
1030 (vzipq_s16): Likewise.
1031 (vzipq_s32): Likewise.
1032 (vzipq_f32): Likewise.
1033 (vzipq_u8): Likewise.
1034 (vzipq_u16): Likewise.
1035 (vzipq_u32): Likewise.
1036 (vzipq_p8): Likewise.
1037 (vzipq_p16): Likewise.
1039 2016-02-09 Charles Baylis <charles.baylis@linaro.org>
1042 * config/arm/arm.c (neon_endian_lane_map): New function.
1043 (neon_vector_pair_endian_lane_map): New function.
1044 (arm_evpc_neon_vuzp): Allow for big endian lane order.
1045 * config/arm/arm_neon.h (vuzpq_s8): Adjust shuffle patterns for big
1047 (vuzpq_s16): Likewise.
1048 (vuzpq_s32): Likewise.
1049 (vuzpq_f32): Likewise.
1050 (vuzpq_u8): Likewise.
1051 (vuzpq_u16): Likewise.
1052 (vuzpq_u32): Likewise.
1053 (vuzpq_p8): Likewise.
1054 (vuzpq_p16): Likewise.
1056 2016-02-11 Alexandre Oliva <aoliva@redhat.com>
1059 * regstat.c (regstat_bb_compute_calls_crossed): Disregard
1062 2016-02-09 Uros Bizjak <ubizjak@gmail.com>
1064 * config/i386/i386.md (insv<mode>_1): Use gen_int_mode to
1065 truncate const_int operand 1 to QImode.
1067 2016-02-09 Eric Botcazou <ebotcazou@adacore.com>
1069 * gimple-ssa-backprop.c (optimize_phi): Do not replace an argument
1070 corresponding to an abnormal edge.
1072 2016-02-09 Tom de Vries <tom@codesourcery.com>
1074 PR tree-optimization/69599
1075 * tree-ssa-structalias.c (fndecl_maybe_in_other_partition): New
1077 (find_func_aliases_for_builtin_call, find_func_clobbers)
1078 (ipa_pta_execute): Handle case that foo and foo._0 are not in same lto
1081 2016-02-09 Richard Biener <rguenther@suse.de>
1083 PR tree-optimization/69715
1084 * tree-ssa.c (execute_update_addresses_taken): Mark non-decl
1085 LHS on calls as non-rewritable.
1087 2016-02-09 Tom de Vries <tom@codesourcery.com>
1090 * lto-wrapper.c (append_diag_options): New function.
1091 (compile_offload_image): Call append_diag_options.
1093 2016-02-08 Sandra Loosemore <sandra@codesourcery.com>
1096 * doc/extend.texi (Flag Output Operands): Correct sectioning.
1097 Minor copy-edit to fix verb tenses.
1099 2016-02-08 Jakub Jelinek <jakub@redhat.com>
1101 PR tree-optimization/69209
1102 * ipa-split.c (split_function): If split part is not
1103 returning retval, retval has gimple type but is not
1104 gimple value, force it into a SSA_NAME first.
1106 2016-02-08 Nicklas Bo Jensen <nbjensen@gmail.com>
1108 * doc/tree-ssa.texi (Preserving the virtual SSA form): Remove
1111 2016-02-08 Jason Merrill <jason@redhat.com>
1114 * convert.c (convert_to_integer_1): Check dofold on truncation
1116 (convert_to_pointer_maybe_fold, convert_to_real_maybe_fold)
1117 (convert_to_integer_maybe_fold, convert_to_complex_maybe_fold):
1118 Rename from *_nofold.
1119 * convert.h (convert_to_pointer_nofold, convert_to_integer_nofold)
1120 (convert_to_real_nofold, convert_to_complex_nofold): New inlines.
1122 2016-02-08 Bernd Schmidt <bschmidt@redhat.com>
1125 * tree.c (build_common_tree_nodes): Remove short_double argument.
1126 All callers changed.
1127 * tree.h (build_common_tree_nodes): Adjust declaration.
1128 * doc/invoke.texi (-fshort-double): Remove documentation.
1129 * config/mips/t-img-elf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
1130 MULTILIB_EXCEPTIONS): Remove -fshort-double variant.
1131 * lto-wrapper.c (merge_and_complain, append_compiler_options)
1132 (append_linker_options): Don't handle OPT_fshort_double.
1134 PR rtl-optimization/68730
1135 * lra-remat.c (insn_to_cand_activation): New static variable.
1136 (lra_remat): Allocate and free it.
1137 (create_cand): New arg activation. Initialize a field in
1138 insn_to_cand_activation if it is nonnull.
1139 (create_cands): Pass the activation insn to create_cand when making
1140 a candidate involving an output reload. Reorganize code a little.
1141 (do_remat): Keep track of active status of candidates in a separate
1144 2016-02-08 Richard Biener <rguenther@suse.de>
1146 PR tree-optimization/69719
1147 * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
1148 Properly use absolute of the difference of the two offsets to
1149 compare or adjust the segment length.
1151 2016-02-08 Richard Biener <rguenther@suse.de>
1152 Jeff Law <law@redhat.com>
1155 * tree-ssanames.c (make_ssa_name_fn): Always use unqualified
1156 types for anonymous SSA names.
1158 2016-02-08 Richard Biener <rguenther@suse.de>
1160 PR rtl-optimization/69274
1161 * ira.c (ira_setup_alts): Do not change recog_data.operand order.
1163 2016-02-08 Jeff Law <law@redhat.com>
1165 PR tree-optimization/65917
1166 * tree-ssa-dom.c (record_temporary_equivalences): Record both
1167 equivalences from if (x == y) style conditionals.
1168 (loop_depth_of_name): Remove.
1169 (record_equality): Remove loop depth check.
1170 * tree-ssa-scopedtables.h (const_and_copies): Refine comments.
1171 (const_and_copies::record_const_or_copy_raw): New member function.
1172 * tree-ssa-scopedtables.c
1173 (const_and_copies::record_const_or_copy_raw): New, factored out of
1174 (const_and_copies::record_const_or_copy): Call new member function.
1176 2016-02-05 Jeff Law <law@redhat.com>
1178 PR tree-optimization/68541
1179 * gimple-ssa-split-paths.c: Include tree-cfg.h and params.h.
1180 (count_stmts_in_block): New function.
1181 (poor_ifcvt_candidate_code): Likewise.
1182 (is_feasible_trace): Add some heuristics to determine when path
1183 splitting is profitable.
1184 (find_block_to_duplicate_for_splitting_paths): Make sure the graph
1185 is a diamond with a single exit.
1187 2016-02-05 Martin Sebor <msebor@redhat.com>
1190 * doc/invoke.texi: Update -Wplacement-new to take an optional
1193 2016-02-06 Richard Henderson <rth@redhat.com>
1196 * tree.c (tree_nop_conversion_p): Do not strip casts into or
1197 out of non-standard address spaces.
1199 2016-02-05 Jakub Jelinek <jakub@redhat.com>
1201 PR rtl-optimization/69691
1202 * lra-eliminations.c (move_plus_up): Don't add the addend twice.
1204 2016-02-05 Pat Haugen <pthaugen@us.ibm.com>
1206 * config/rs6000/crypto.md (crypto_vpermxor_<mode>): Correct insn type.
1207 * config/rs6000/rs6000.md (mov<mode>_hardfloat): Likewise.
1208 (*ieee128_mfvsrd_64bit): Likewise.
1209 (*ieee128_mfvsrd_32bit): Likewise.
1211 2016-02-05 Ilya Enkovich <enkovich.gnu@gmail.com>
1215 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
1217 * cgraphunit.c (cgraph_node::reset): Clear thunk info and
1218 instrumented_version.
1220 2016-01-05 Jeremy Bennett <jeremy.bennett@embecosm.com>
1222 * doc/invoke.texi (Optimize Options): In table of --param options
1223 rename second occurrence of tracer-min-branch-ratio to
1224 tracer-min-branch-probability, rename
1225 tracer-min-branch-ratio-feedback to
1226 tracer-min-branch-probability-feedback and clarify description,
1227 rename sched-spec-state-edge-prob-cutoff to
1228 sched-state-edge-prob-cutoff, rename selsched-max-insns-to-rename
1229 to selsched-insns-to-rename, rename lto-minpartition to
1230 lto-min-partition, delete reorder-blocks-duplicate and
1231 reorder-blocks-duplicate-feedback.
1233 2016-02-05 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
1235 * config/s390/s390.c (s390_register_info_set_ranges): Remove
1238 2016-02-05 Dominik Vogt <vogt@linux.vnet.ibm.com>
1240 * doc/extend.texi: S/390: Correct some typos.
1242 2016-02-05 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
1244 * config/s390/s390.c (s390_emit_call): Add missing 64 bit check.
1246 2016-02-05 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
1249 * config/s390/s390.c (SAVE_SLOT_NONE, SAVE_SLOT_STACK): New defines.
1250 (s390_register_info_gprtofpr): Use new macros above.
1251 (s390_register_info_stdarg_fpr): Adjust max_fpr to better match
1253 (s390_register_info_stdarg_gpr): Adjust max_gpr to better match
1254 its name. Adjust restore and save gpr ranges.
1255 (s390_register_info_set_ranges): New function.
1256 (s390_register_info): Use new macros above. Call
1257 s390_register_info_set_ranges.
1258 (s390_optimize_register_info): Likewise.
1259 (s390_hard_regno_rename_ok): Use new macros.
1260 (s390_hard_regno_scratch_ok): Likewise.
1261 (s390_emit_epilogue): Likewise.
1262 (s390_can_use_return_insn): Likewise.
1263 (s390_optimize_prologue): Likewise.
1264 * config/s390/s390.md (GPR2_REGNUM, GPR6_REGNUM): New constants.
1266 2016-02-05 Jakub Jelinek <jakub@redhat.com>
1269 * config/i386/i386.c (convert_scalars_to_vector): Readd stack
1271 (ix86_option_override_internal): Disable TARGET_STV even for
1272 -m{incoming,preferred}-stack-boundary=3.
1274 2016-02-03 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
1276 * config.gcc: Mark deprecated rtems targets as obsolete.
1278 2016-02-04 Segher Boessenkool <segher@kernel.crashing.org>
1280 PR rtl-optimization/64682
1281 PR rtl-optimization/69567
1282 * combine.c (distribute_notes) <REG_DEAD>: Place the death note
1283 before I2 only if the register is both used and set in I2.
1285 2016-02-04 DJ Delorie <dj@redhat.com>
1287 * config/msp430/msp430.c (msp430_start_function): Add function type.
1289 2016-02-04 Jakub Jelinek <jakub@redhat.com>
1292 * tree-dfa.c (get_ref_base_and_extent): Remove unreachable code.
1294 2016-02-04 Uros Bizjak <ubizjak@gmail.com>
1296 PR rtl-optimization/69577
1298 2015-10-29 Richard Henderson <rth@redhat.com>
1302 * config/i386/i386.c (ix86_cannot_change_mode_class): Tighten
1303 sse check to the exact conditions of PR 67609.
1305 2016-02-04 Michael Meissner <meissner@linux.vnet.ibm.com>
1308 * config/rs6000/rs6000.md (mov<mode>_64bit_dm): Use 'd' constraint
1309 instead of 'ws', and 'wh' instead of 'wm' since TFmode/IFmode are
1310 not allowed into the traditional Altivec registers.
1311 (movtd_64bit_nodm): Likewise.
1312 (mov<mode>_32bit, FMOVE128_FPR iterator): Likewise.
1314 2016-02-04 David Malcolm <dmalcolm@redhat.com>
1316 * config/aarch64/cortex-a57-fma-steering.c
1317 (aarch64_register_fma_steering): Remove "static" from arguments
1320 2016-02-04 Wilco Dijkstra <wdijkstr@arm.com>
1323 * ccmp.c (expand_ccmp_expr_1): Avoid evaluating gs0/gs1
1326 2016-02-04 Mike Frysinger <vapier@gentoo.org>
1328 * doc/invoke.texi: Delete -mno-fma4.
1330 2016-02-04 Richard Sandiford <richard.sandiford@arm.com>
1332 PR rtl-optimization/69577
1333 * reginfo.c (record_subregs_of_mode): Add a partial_def parameter.
1334 (find_subregs_of_mode): Update accordingly. Iterate over partial
1337 2016-02-04 Alan Lawrence <alan.lawrence@arm.com>
1339 * config/arm/arm-protos.h (neon_reinterpret): Remove.
1340 * config/arm/arm.c (neon_reinterpret): Remove.
1341 * config/arm/arm_neon_builtins.def (vreinterpretv8qi, vreinterpretv4hi,
1342 vreinterpretv2si, vreinterpretv2sf, vreinterpretdi, vreinterpretv16qi,
1343 vreinterpretv8hi, vreinterpretv4si, vreinterpretv4sf, vreinterpretv2di,
1344 vreinterpretti): Remove.
1345 * config/arm/neon.md (neon_vreinterpretv8qi<mode>,
1346 neon_vreinterpretv4hi<mode>, neon_vreinterpretv2si<mode>,
1347 neon_vreinterpretv2sf<mode>, neon_vreinterpretdi<mode>,
1348 neon_vreinterpretti<mode>, neon_vreinterpretv16qi<mode>,
1349 neon_vreinterpretv8hi<mode>, neon_vreinterpretv4si<mode>,
1350 neon_vreinterpretv4sf<mode>, neon_vreinterpretv2di<mode>): Remove.
1351 * config/arm/arm_neon.h (vreinterpret_p8_p16, vreinterpret_p8_f32,
1352 vreinterpret_p8_p64, vreinterpret_p8_s64, vreinterpret_p8_u64,
1353 vreinterpret_p8_s8, vreinterpret_p8_s16, vreinterpret_p8_s32,
1354 vreinterpret_p8_u8, vreinterpret_p8_u16, vreinterpret_p8_u32,
1355 vreinterpret_p16_p8, vreinterpret_p16_f32, vreinterpret_p16_p64,
1356 vreinterpret_p16_s64, vreinterpret_p16_u64, vreinterpret_p16_s8,
1357 vreinterpret_p16_s16, vreinterpret_p16_s32, vreinterpret_p16_u8,
1358 vreinterpret_p16_u16, vreinterpret_p16_u32, vreinterpret_f32_p8,
1359 vreinterpret_f32_p16, vreinterpret_f32_p64, vreinterpret_f32_s64,
1360 vreinterpret_f32_u64, vreinterpret_f32_s8, vreinterpret_f32_s16,
1361 vreinterpret_f32_s32, vreinterpret_f32_u8, vreinterpret_f32_u16,
1362 vreinterpret_f32_u32, vreinterpret_p64_p8, vreinterpret_p64_p16,
1363 vreinterpret_p64_f32, vreinterpret_p64_s64, vreinterpret_p64_u64,
1364 vreinterpret_p64_s8, vreinterpret_p64_s16, vreinterpret_p64_s32,
1365 vreinterpret_p64_u8, vreinterpret_p64_u16, vreinterpret_p64_u32,
1366 vreinterpret_s64_p8, vreinterpret_s64_p16, vreinterpret_s64_f32,
1367 vreinterpret_s64_p64, vreinterpret_s64_u64, vreinterpret_s64_s8,
1368 vreinterpret_s64_s16, vreinterpret_s64_s32, vreinterpret_s64_u8,
1369 vreinterpret_s64_u16, vreinterpret_s64_u32, vreinterpret_u64_p8,
1370 vreinterpret_u64_p16, vreinterpret_u64_f32, vreinterpret_u64_p64,
1371 vreinterpret_u64_s64, vreinterpret_u64_s8, vreinterpret_u64_s16,
1372 vreinterpret_u64_s32, vreinterpret_u64_u8, vreinterpret_u64_u16,
1373 vreinterpret_u64_u32, vreinterpret_s8_p8, vreinterpret_s8_p16,
1374 vreinterpret_s8_f32, vreinterpret_s8_p64, vreinterpret_s8_s64,
1375 vreinterpret_s8_u64, vreinterpret_s8_s16, vreinterpret_s8_s32,
1376 vreinterpret_s8_u8, vreinterpret_s8_u16, vreinterpret_s8_u32,
1377 vreinterpret_s16_p8, vreinterpret_s16_p16, vreinterpret_s16_f32,
1378 vreinterpret_s16_p64, vreinterpret_s16_s64, vreinterpret_s16_u64,
1379 vreinterpret_s16_s8, vreinterpret_s16_s32, vreinterpret_s16_u8,
1380 vreinterpret_s16_u16, vreinterpret_s16_u32, vreinterpret_s32_p8,
1381 vreinterpret_s32_p16, vreinterpret_s32_f32, vreinterpret_s32_p64,
1382 vreinterpret_s32_s64, vreinterpret_s32_u64, vreinterpret_s32_s8,
1383 vreinterpret_s32_s16, vreinterpret_s32_u8, vreinterpret_s32_u16,
1384 vreinterpret_s32_u32, vreinterpret_u8_p8, vreinterpret_u8_p16,
1385 vreinterpret_u8_f32, vreinterpret_u8_p64, vreinterpret_u8_s64,
1386 vreinterpret_u8_u64, vreinterpret_u8_s8, vreinterpret_u8_s16,
1387 vreinterpret_u8_s32, vreinterpret_u8_u16, vreinterpret_u8_u32,
1388 vreinterpret_u16_p8, vreinterpret_u16_p16, vreinterpret_u16_f32,
1389 vreinterpret_u16_p64, vreinterpret_u16_s64, vreinterpret_u16_u64,
1390 vreinterpret_u16_s8, vreinterpret_u16_s16, vreinterpret_u16_s32,
1391 vreinterpret_u16_u8, vreinterpret_u16_u32, vreinterpret_u32_p8,
1392 vreinterpret_u32_p16, vreinterpret_u32_f32, vreinterpret_u32_p64,
1393 vreinterpret_u32_s64, vreinterpret_u32_u64, vreinterpret_u32_s8,
1394 vreinterpret_u32_s16, vreinterpret_u32_s32, vreinterpret_u32_u8,
1395 vreinterpret_u32_u16, vreinterpretq_p8_p16, vreinterpretq_p8_f32,
1396 vreinterpretq_p8_p64, vreinterpretq_p8_p128, vreinterpretq_p8_s64,
1397 vreinterpretq_p8_u64, vreinterpretq_p8_s8, vreinterpretq_p8_s16,
1398 vreinterpretq_p8_s32, vreinterpretq_p8_u8, vreinterpretq_p8_u16,
1399 vreinterpretq_p8_u32, vreinterpretq_p16_p8, vreinterpretq_p16_f32,
1400 vreinterpretq_p16_p64, vreinterpretq_p16_p128, vreinterpretq_p16_s64,
1401 vreinterpretq_p16_u64, vreinterpretq_p16_s8, vreinterpretq_p16_s16,
1402 vreinterpretq_p16_s32, vreinterpretq_p16_u8, vreinterpretq_p16_u16,
1403 vreinterpretq_p16_u32, vreinterpretq_f32_p8, vreinterpretq_f32_p16,
1404 vreinterpretq_f32_p64, vreinterpretq_f32_p128, vreinterpretq_f32_s64,
1405 vreinterpretq_f32_u64, vreinterpretq_f32_s8, vreinterpretq_f32_s16,
1406 vreinterpretq_f32_s32, vreinterpretq_f32_u8, vreinterpretq_f32_u16,
1407 vreinterpretq_f32_u32, vreinterpretq_p64_p8, vreinterpretq_p64_p16,
1408 vreinterpretq_p64_f32, vreinterpretq_p64_p128, vreinterpretq_p64_s64,
1409 vreinterpretq_p64_u64, vreinterpretq_p64_s8, vreinterpretq_p64_s16,
1410 vreinterpretq_p64_s32, vreinterpretq_p64_u8, vreinterpretq_p64_u16,
1411 vreinterpretq_p64_u32, vreinterpretq_p128_p8, vreinterpretq_p128_p16,
1412 vreinterpretq_p128_f32, vreinterpretq_p128_p64, vreinterpretq_p128_s64,
1413 vreinterpretq_p128_u64, vreinterpretq_p128_s8, vreinterpretq_p128_s16,
1414 vreinterpretq_p128_s32, vreinterpretq_p128_u8, vreinterpretq_p128_u16,
1415 vreinterpretq_p128_u32, vreinterpretq_s64_p8, vreinterpretq_s64_p16,
1416 vreinterpretq_s64_f32, vreinterpretq_s64_p64, vreinterpretq_s64_p128,
1417 vreinterpretq_s64_u64, vreinterpretq_s64_s8, vreinterpretq_s64_s16,
1418 vreinterpretq_s64_s32, vreinterpretq_s64_u8, vreinterpretq_s64_u16,
1419 vreinterpretq_s64_u32, vreinterpretq_u64_p8, vreinterpretq_u64_p16,
1420 vreinterpretq_u64_f32, vreinterpretq_u64_p64, vreinterpretq_u64_p128,
1421 vreinterpretq_u64_s64, vreinterpretq_u64_s8, vreinterpretq_u64_s16,
1422 vreinterpretq_u64_s32, vreinterpretq_u64_u8, vreinterpretq_u64_u16,
1423 vreinterpretq_u64_u32, vreinterpretq_s8_p8, vreinterpretq_s8_p16,
1424 vreinterpretq_s8_f32, vreinterpretq_s8_p64, vreinterpretq_s8_p128,
1425 vreinterpretq_s8_s64, vreinterpretq_s8_u64, vreinterpretq_s8_s16,
1426 vreinterpretq_s8_s32, vreinterpretq_s8_u8, vreinterpretq_s8_u16,
1427 vreinterpretq_s8_u32, vreinterpretq_s16_p8, vreinterpretq_s16_p16,
1428 vreinterpretq_s16_f32, vreinterpretq_s16_p64, vreinterpretq_s16_p128,
1429 vreinterpretq_s16_s64, vreinterpretq_s16_u64, vreinterpretq_s16_s8,
1430 vreinterpretq_s16_s32, vreinterpretq_s16_u8, vreinterpretq_s16_u16,
1431 vreinterpretq_s16_u32, vreinterpretq_s32_p8, vreinterpretq_s32_p16,
1432 vreinterpretq_s32_f16, vreinterpretq_s32_f32, vreinterpretq_s32_p64,
1433 vreinterpretq_s32_p128, vreinterpretq_s32_s64, vreinterpretq_s32_u64,
1434 vreinterpretq_s32_s8, vreinterpretq_s32_s16, vreinterpretq_s32_u8,
1435 vreinterpretq_s32_u16, vreinterpretq_s32_u32, vreinterpretq_u8_p8,
1436 vreinterpretq_u8_p16, vreinterpretq_u8_f32, vreinterpretq_u8_p64,
1437 vreinterpretq_u8_p128, vreinterpretq_u8_s64, vreinterpretq_u8_u64,
1438 vreinterpretq_u8_s8, vreinterpretq_u8_s16, vreinterpretq_u8_s32,
1439 vreinterpretq_u8_u16, vreinterpretq_u8_u32, vreinterpretq_u16_p8,
1440 vreinterpretq_u16_p16, vreinterpretq_u16_f32, vreinterpretq_u16_p64,
1441 vreinterpretq_u16_p128, vreinterpretq_u16_s64, vreinterpretq_u16_u64,
1442 vreinterpretq_u16_s8, vreinterpretq_u16_s16, vreinterpretq_u16_s32,
1443 vreinterpretq_u16_u8, vreinterpretq_u16_u32, vreinterpretq_u32_p8,
1444 vreinterpretq_u32_p16, vreinterpretq_u32_f32, vreinterpretq_u32_p64,
1445 vreinterpretq_u32_p128, vreinterpretq_u32_s64, vreinterpretq_u32_u64,
1446 vreinterpretq_u32_s8, vreinterpretq_u32_s16, vreinterpretq_u32_s32,
1447 vreinterpretq_u32_u8, vreinterpretq_u32_u16): Rewrite using casts.
1449 2016-02-04 Martin Liska <mliska@suse.cz>
1452 * asan.c (has_stmt_been_instrumented_p): Instrument gimple calls
1453 that are gimple_store_p.
1454 (maybe_instrument_call): Likewise.
1456 2016-02-04 Bin Cheng <bin.cheng@arm.com>
1458 * config/aarch64/aarch64.c (aarch64_legitimize_address): Force
1459 register scaling out of memory reference and comment why.
1461 2016-02-04 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1465 * cse.c (cse_insn): Pass NULL to fold_rtx when initially
1466 folding the source of a SET.
1468 2016-02-04 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1472 * config/arm/arm.c (arm_new_rtx_costs, MULT case): Properly extract
1473 the operands of the SIGN_EXTENDs from a SMUL[TB][TB] rtx.
1475 2016-02-04 Jim Wilson <jim.wilson@linaro.org>
1479 * config/arm/arm.h (PROMOTE_MODE): Don't set UNSIGNEDP for QImode and
1482 2016-02-04 Christian Bruel <christian.bruel@st.com>
1484 * config/arm/arm-c.c (arm_reset_previous_fndecl): Style fix and typo.
1485 * config/arm/arm.c (arm_set_current_function): Likewise.
1487 2016-02-04 Jakub Jelinek <jakub@redhat.com>
1488 Ilya Enkovich <enkovich.gnu@gmail.com>
1489 H.J. Lu <hongjiu.lu@intel.com>
1492 * config/i386/i386.c (convert_scalars_to_vector): Remove
1493 stack alignment fixes.
1494 (ix86_option_override_internal): Disable TARGET_STV if stack
1495 might not be aligned enough.
1496 (ix86_minimum_alignment): Assert that TARGET_STV is false.
1498 2016-02-04 Victoria Stepanyan <victoria.stepanyan@amd.com>
1500 * gcc/config/i386/x86-tune.def: Disable default prefetching
1503 2016-02-03 Michael Meissner <meissner@linux.vnet.ibm.com>
1504 Vladimir Makarov <vmakarov@redhat.com>
1507 * config/rs6000/rs6000.c (rs6000_legitimate_address_p): Fix thinko
1508 in validating fused toc addresses.
1510 2016-02-03 Jakub Jelinek <jakub@redhat.com>
1513 * diagnostic-show-locus.c (layout::get_state_at_point): Don't read
1514 range->m_caret fields if range->m_show_caret_p is false.
1517 * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap):
1518 Force oldval into register if it does not satisfy reg_or_short_operand
1519 predicate. Fix up formatting.
1521 2016-02-03 Vladimir Makarov <vmakarov@redhat.com>
1522 Alexandre Oliva <aoliva@redhat.com>
1525 * lra-constraints.c (simplify_operand_subreg): Check additionally
1526 address validity after potential reloading.
1527 (process_address_1): Check insns validity. In case of failure do
1530 2016-02-03 Kirill Yukhin <kirill.yukhin@intel.com>
1533 * config/i386/sse.md (define_insn "avx512f_maskcmp<mode>3"):
1536 2016-02-02 Jakub Jelinek <jakub@redhat.com>
1538 * wide-int.cc (canonize_uhwi): New function.
1539 (wi::divmod_internal): Use it.
1541 2016-02-02 James Norris <jnorris@codesourcery.com
1543 * gimplify.c (omp_notice_variable): Add usage check.
1545 2016-02-02 Alexander Monakov <amonakov@ispras.ru>
1547 * config/nvptx/nvptx.c (nvptx_print_operand): Treat LEU, GEU, LTU, GTU
1548 like LE, GE, LT, GT when emitting relational operator.
1550 2016-02-02 Wilco Dijkstra <wdijkstr@arm.com>
1552 * ira-costs.c (find_costs_and_classes): Add extra argument.
1553 * target.def (ira_change_pseudo_allocno_class): Add parameter.
1554 * targhooks.h (ira_change_pseudo_allocno_class): Likewise.
1555 * targhooks.c (ira_change_pseudo_allocno_class): Likewise.
1556 * config/aarch64/aarch64.c (aarch64_ira_change_pseudo_allocno_class)
1557 Add best_class parameter, and return it if not ALL_REGS.
1558 * config/mips/mips.c (mips_ira_change_pseudo_allocno_class):
1560 * doc/tm.texi (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS):
1563 2016-02-02 Wilco Dijkstra <wdijkstr@arm.com>
1565 * config/aarch64/aarch64.c
1566 (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS): New define.
1567 (aarch64_ira_change_pseudo_allocno_class): New function.
1569 2016-02-02 Uros Bizjak <ubizjak@gmail.com>
1572 * config/i386/i386.c (geode_cost): Increase cost of MMX and SSE moves.
1574 2016-02-02 Senthil Kumar Selvaraj <senthil_kumar.selvaraj@atmel.com>
1576 * config/avr/avr.c (avr_option_override): Set
1577 PARAM_ALLOW_STORE_DATA_RACES to 1.
1579 2016-02-02 Richard Biener <rguenther@suse.de>
1581 PR tree-optimization/69595
1582 * match.pd: Add range test simplifications to true/false.
1584 2016-02-02 Thomas Schwinge <thomas@codesourcery.com>
1586 * omp-builtins.def (BUILT_IN_GOACC_HOST_DATA): Remove.
1587 * omp-low.c (expand_omp_target): Use BUILT_IN_GOACC_DATA_START
1590 2016-02-02 Richard Biener <rguenther@suse.de>
1592 PR tree-optimization/69606
1593 * tree-ssa-math-opts.c (bswap_replace): Clear flow sensitive
1594 info on the result before moving a stmt.
1596 2016-02-02 Yuri Rumyantsev <ysrumyan@gmail.com>
1599 * config/i386/i386.c (ix86_expand_branch): Add support for conditional
1600 branch with vector comparison.
1601 * config/i386/sse.md (VI48_AVX): New mode iterator.
1602 (define_expand "cbranch<mode>4): Add support for conditional branch
1603 with vector comparison.
1604 * tree-vect-loop.c (optimize_mask_stores): New function.
1605 * tree-vect-stmts.c (vectorizable_mask_load_store): Initialize
1606 has_mask_store field of vect_info.
1607 * tree-vectorizer.c (vectorize_loops): Invoke optimaze_mask_stores for
1608 vectorized loops having masked stores after vec_info destroy.
1609 * tree-vectorizer.h (loop_vec_info): Add new has_mask_store field and
1610 correspondent macros.
1611 (optimize_mask_stores): Add prototype.
1613 2016-02-02 Alan Modra <amodra@gmail.com>
1616 * config/rs6000/predicates.md (quad_int_reg_operand): Don't
1619 2016-02-02 Alan Modra <amodra@gmail.com>
1622 * config/rs6000/rs6000.c (need_toc_init): New var, set it
1623 whenever toc_label_name used.
1624 (rs6000_file_start): Don't set up toc section here,
1625 (rs6000_output_function_epilogue): do so here instead,
1626 (rs6000_xcoff_file_start): and here.
1627 * config/rs6000/rs6000.md (load_toc_aix_si): Set need_toc_init.
1628 (load_toc_aix_di): Likewise.
1630 2016-02-01 Jakub Jelinek <jakub@redhat.com>
1632 PR rtl-optimization/69592
1633 * rtlanal.c (nonzero_bits_binary_arith_p): New inline function.
1634 (cached_nonzero_bits): Use it instead of ARITHMETIC_P.
1635 (num_sign_bit_copies_binary_arith_p): New inline function.
1636 (cached_num_sign_bit_copies): Use it instead of ARITHMETIC_P.
1638 2016-02-01 Jeff Law <law@redhat.com>
1640 PR tree-optimization/69580
1641 * params.def (FSM_MAXIMUM_PHI_ARGUMENTS): New param.
1642 * tree-ssa-threadbackward.c
1643 (fsm_find_control_statement_thread_paths): Do not try to walk
1644 through large PHI nodes.
1646 2016-02-01 Jakub Jelinek <jakub@redhat.com>
1648 * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Return false
1649 when count is incremented above limit, don't analyze further
1652 * omp-low.c (oacc_parse_default_dims): Avoid
1653 -Wsign-compare warning, make sure value fits into int
1654 rather than just unsigned int.
1656 2016-02-01 Bin Cheng <bin.cheng@arm.com>
1658 PR tree-optimization/67921
1659 * fold-const.c (split_tree): New parameters. Convert pointer
1660 type variable part to proper type before negating.
1661 (fold_binary_loc): Pass new arguments to split_tree.
1663 2016-02-01 Nathan Sidwell <nathan@codesourcery.com>
1665 * config/nvptx/nvptx.c (PTX_GANG_DEFAULT): New.
1666 (nvptx_goacc_validate_dims): Extend to handle global defaults.
1667 * target.def (OACC_VALIDATE_DIMS): Extend documentation.
1668 * doc/tm.texti: Rebuilt.
1669 * doc/invoke.texi (fopenacc-dim): Document.
1670 * lto-wrapper.c (merge_and_complain): Add OPT_fopenacc_dim_ case.
1671 (append_compiler_options): Likewise.
1672 * omp-low.c (oacc_default_dims, oacc_min_dims): New.
1673 (oacc_parse_default_dims): New.
1674 (oacc_validate_dims): Add USED arg. Select non-unity default when
1676 (oacc_loop_fixed_partitions): Return mask of used partitions.
1677 (oacc_loop_auto_partitions): Emit dump info.
1678 (oacc_loop_partition): Return mask of used partitions.
1679 (execute_oacc_device_lower): Parse default dimension arg. Adjust
1680 loop partitioning and validation calls.
1682 2016-02-01 Richard Biener <rguenther@suse.de>
1685 * match.pd: Guard (C1/X)*C2 -> (C1*C2)/X with single_use.
1687 2016-02-01 Richard Biener <rguenther@suse.de>
1689 PR tree-optimization/69574
1690 * tree-chrec.c (hide_evolution_in_other_loops_than_loop): Instead
1691 of asserting return chrec_dont_know.
1693 2016-02-01 Martin Liska <mliska@suse.cz>
1695 * mem-stats-traits.h: Add copyright header.
1696 * mem-stats.h: Likewise.
1698 2016-02-01 Richard Biener <rguenther@suse.de>
1700 PR tree-optimization/69579
1701 * tree-ssa-loop-ivcanon.c (propagate_constants_for_unrolling):
1702 Do not propagate through abnormal PHI results.
1704 2016-02-01 Eric Botcazou <ebotcazou@adacore.com>
1706 * postreload.c (reload_cse_simplify): Remove dead code.
1708 2016-02-01 Jakub Jelinek <jakub@redhat.com>
1710 PR rtl-optimization/69570
1711 * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Return true only
1712 if there is more than one set, not if there is a single set.
1714 2016-02-01 Richard Henderson <rth@redhat.com>
1717 * combine.c (make_compound_operation): When looking through a
1718 subreg, make sure to re-extend to the width of the outer mode.
1720 2016-01-30 Jakub Jelinek <jakub@redhat.com>
1722 PR tree-optimization/69546
1723 * wide-int.cc (wi::divmod_internal): For unsigned division
1724 where both operands fit into uhwi, if o1 is 1 and o0 has
1725 msb set, if divident_prec is larger than bits per hwi,
1726 clear another quotient word and return 2 instead of 1.
1727 Similarly for remainder with msb in HWI set, if dividend_prec
1728 is larger than bits per hwi.
1730 2016-01-29 Martin Jambor <mjambor@suse.cz>
1732 * hsa-gen.c (get_memory_order_name): Mask with MEMMODEL_BASE_MASK.
1733 Use short lowercase names.
1734 (get_memory_order): Mask with MEMMODEL_BASE_MASK. Support
1735 MEMMODEL_CONSUME with acquire semantics and MEMMODEL_SEQ_CST with
1736 acq_rel one. Protect warning agains segfaults if
1737 get_memory_order_name returns NULL.
1738 (gen_hsa_ternary_atomic_for_builtin): Support with MEMMODEL_SEQ_CST
1739 with release semantics. Do not warn if get_memory_order already did.
1740 (gen_hsa_insns_for_call): Support with MEMMODEL_SEQ_CST with acquire
1741 semantics. Fix check for relaxed or acquire semantics. Do not warn
1742 if get_memory_order already did.
1744 2016-01-29 Sebastian Pop <s.pop@samsung.com>
1746 * doc/install.texi: Document that isl-0.16 is supported.
1748 2016-01-29 Vladimir Makarov <vmakarov@redhat.com>
1751 * config/i386/constraints.md (Bm): Describe as special memory
1753 * doc/md.texi (DEFINE_SPECIAL_MEMORY_CONSTRAINT): Describe it.
1754 * genoutput.c (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
1755 * genpreds.c (struct constraint_data): Add is_special_memory.
1756 (have_special_memory_constraints, special_memory_start): New
1758 (special_memory_end): Ditto.
1759 (add_constraint): Add new arg is_special_memory. Add code to
1760 process its true value. Update have_special_memory_constraints.
1761 (process_define_constraint): Pass the new arg.
1762 (process_define_register_constraint): Ditto.
1763 (choose_enum_order): Process special memory.
1764 (write_tm_preds_h): Generate enum const CT_SPECIAL_MEMORY and
1765 function insn_extra_special_memory_constraint.
1766 (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
1767 * gensupport.c (process_rtx): Process
1768 DEFINE_SPECIAL_MEMORY_CONSTRAINT.
1769 * ira-costs.c (record_reg_classes): Process CT_SPECIAL_MEMORY.
1770 * ira-lives.c (single_reg_class): Use
1771 insn_extra_special_memory_constraint.
1772 * ira.c (ira_setup_alts): Process CT_SPECIAL_MEMORY.
1773 * lra-constraints.c (process_alt_operands): Ditto.
1774 (curr_insn_transform): Use insn_extra_special_memory_constraint.
1775 * recog.c (asm_operand_ok, preprocess_constraints): Process
1777 * reload.c (find_reloads): Ditto.
1778 * rtl.def (DEFINE_SPECIFAL_MEMORY_CONSTRAINT): New.
1779 * stmt.c (parse_input_constraint): Use
1780 insn_extra_special_memory_constraint.
1782 2016-01-29 H.J. Lu <hongjiu.lu@intel.com>
1785 * lra-splill.c (lra_final_code_change): Revert r229087 by
1786 removing all sub-registers.
1788 2016-01-29 Steve Ellcey <sellcey@imgtec.com>
1791 * config/mips/mips.c (mips_output_division): Check flag_delayed_branch.
1793 2016-01-29 Jakub Jelinek <jakub@redhat.com>
1796 * config/i386/i386.c (ix86_expand_vector_set) <case V4SImode>: For
1797 SSE1, copy target into the temporary reg first before recursing
1800 2016-01-29 H.J. Lu <hongjiu.lu@intel.com>
1802 * config/i386/sse.md (sse2_cvtps2pd<mask_name>): Replace vBm
1805 2016-01-29 Jonathan Wakely <jwakely@redhat.com>
1807 * ginclude/stdarg.h: Test __cplusplus instead of
1808 __GXX_EXPERIMENTAL_CXX0X__.
1810 2016-01-29 Richard Biener <rguenther@suse.de>
1812 PR tree-optimization/69547
1813 * tree-ssa-dce.c (mark_aliased_reaching_defs_necessary_1):
1814 Do not mark clobbers necessary.
1815 (mark_all_reaching_defs_necessary_1): Likewise.
1817 2016-01-29 Dominik Vogt <vogt@linux.vnet.ibm.com>
1819 * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Format
1820 declaration name with %qs and print it in both error messages.
1821 Also fix indentation.
1823 2016-01-29 Dominik Vogt <vogt@linux.vnet.ibm.com>
1826 * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Remove
1827 trailing blank line from error message.
1829 2016-01-29 Jonathan Wakely <jwakely@redhat.com>
1832 * ginclude/float.h: Also provide FLT_EVAL_METHOD and DECIMAL_DIG
1835 2016-01-29 Richard Biener <rguenther@suse.de>
1838 * match.pd: Allow all integral types when simplifying a
1839 widening or sign-changing conversion.
1841 2016-01-28 Sebastian Pop <s.pop@samsung.com>
1843 * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Revert assert
1844 back to setting codegen_error to fail codegen.
1846 2016-01-28 Uros Bizjak <ubizjak@gmail.com>
1849 * config/i386/constraints.md (C): Only accept constant zero operand.
1850 (BC): New constraint.
1851 * config/i386/sse.md (*mov<mode>_internal): Use BC constraint
1852 instead of C constraint.
1853 * doc/md.texi (Machine Constraints): Update description
1856 2016-01-28 Steve Ellcey <sellcey@imgtec.com>
1859 * config/mips/mips.c (and_operands_ok): Add MIPS16 check.
1861 2016-01-28 Jakub Jelinek <jakub@redhat.com>
1864 * lra-remat.c (calculate_local_reg_remat_bb_data): Only consider
1867 2016-01-28 Pat Haugen <pthaugen@us.ibm.com>
1869 * config/rs6000/rs6000.c (output_cbranch): Don't statically predict
1870 branches if using guessed profile.
1872 2016-01-28 H.J. Lu <hongjiu.lu@intel.com>
1874 * graphite-optimize-isl.c (optimize_isl): Fix dump.
1876 2016-01-28 Richard Henderson <rth@redhat.com>
1879 * config/aarch64/aarch64-modes.def (CC_Cmode): New
1880 * config/aarch64/aarch64-protos.h: Update.
1881 * config/aarch64/aarch64.c (aarch64_zero_extend_const_eq): New.
1882 (aarch64_select_cc_mode): Add check for use of CC_Cmode.
1883 (aarch64_get_condition_code_1): Handle CC_Cmode.
1884 * config/aarch64/aarch64.md (addti3): Use adddi3_compareC.
1885 (*add<mode>3_compareC_cconly_imm): New.
1886 (*add<mode>3_compareC_cconly): New.
1887 (*add<mode>3_compareC_imm): New.
1888 (add<mode>3_compareC): New.
1889 (add<mode>3_carryin, *addsi3_carryin_uxtw): Sort compare operand
1890 to be first. Use aarch64_carry_operation.
1891 (*add<mode>3_carryin_alt1, *addsi3_carryin_alt1_uxtw): Remove.
1892 (*add<mode>3_carryin_alt2, *addsi3_carryin_alt2_uxtw): Remove.
1893 (*add<mode>3_carryin_alt3, *addsi3_carryin_alt3_uxtw): Remove.
1894 (subti3): Use subdi3_compare1.
1895 (*sub<mode>3_compare0): Rename from sub<mode>3_compare0.
1896 (sub<mode>3_compare1): New.
1897 (*sub<mode>3_carryin0, *subsi3_carryin_uxtw): New.
1898 (*sub<mode>3_carryin): Use aarch64_borrow_operation.
1899 (*subsi3_carryin_uxtw): Likewise.
1900 (*ngc<mode>, *ngcsi_uxtw): Likewise.
1901 (*sub<mode>3_carryin_alt, *subsi3_carryin_alt_uxtw): New.
1902 * config/aarch64/iterators.md (DWI): New.
1903 * config/aarch64/predicates.md (aarch64_carry_operation): New.
1904 (aarch64_borrow_operation): New.
1906 2016-01-28 Abderrazek Zaafrani <a.zaafrani@samsung.com>
1908 * graphite-optimize-isl.c (optimize_isl): Print a different debug
1909 message when isl does not return a valid schedule.
1911 2016-01-28 Sebastian Pop <s.pop@samsung.com>
1913 * graphite-isl-ast-to-gimple.c (class translate_isl_ast_to_gimple):
1914 Remove comments from class declarations: they are already in the code
1917 2016-01-28 Sebastian Pop <s.pop@samsung.com>
1919 * graphite-isl-ast-to-gimple.c (binary_op_to_tree): Call
1921 (ternary_op_to_tree): Same.
1922 (unary_op_to_tree): Same.
1923 (nary_op_to_tree): Same.
1924 (gcc_expression_from_isl_expr_op): Same.
1925 (gcc_expression_from_isl_expression): Same.
1926 (graphite_create_new_loop): Same.
1927 (graphite_create_new_loop_guard): Same.
1928 (build_iv_mapping): Same.
1929 (graphite_create_new_guard): Same.
1930 (translate_isl_ast_to_gimple::copy_loop_phi_nodes): Same.
1931 (translate_isl_ast_to_gimple::translate_pending_phi_nodes): Same.
1933 2016-01-28 Sebastian Pop <s.pop@samsung.com>
1935 * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Assert
1936 instead of setting codegen_error to fail codegen.
1938 2016-01-28 Jason Merrill <jason@redhat.com>
1940 * tree.h (BINFO_FLAG_0): Rename from BINFO_MARKED.
1942 2016-01-28 Wilco Dijkstra <wdijkstr@arm.com>
1944 * config/aarch64/aarch64.c (aarch64_if_then_else_costs):
1945 Remove CONST_INT_P check in CCMP cost calculation.
1947 2016-01-28 Wilco Dijkstra <wdijkstr@arm.com>
1949 * config/aarch64/aarch64.c (generic_vector_cost):
1950 Set vec_permute_cost.
1951 (cortexa57_vector_cost): Likewise.
1952 (exynosm1_vector_cost): Likewise.
1953 (xgene1_vector_cost): Likewise.
1954 (aarch64_builtin_vectorization_cost): Use vec_permute_cost.
1955 * config/aarch64/aarch64-protos.h (cpu_vector_cost):
1956 Add vec_permute_cost entry.
1958 2016-01-28 Wilco Dijkstra <wdijkstr@arm.com>
1960 * config/aarch64/aarch64.md (ccmp<mode>): Disassemble
1962 (add<mode>3_compare0): Likewise.
1963 (addsi3_compare0_uxtw): Likewise.
1964 (add<mode>3nr_compare0): Likewise.
1965 (compare_neg<mode>): Likewise.
1966 (<optab><mode>3): Likewise.
1968 2016-01-28 Ilya Enkovich <enkovich.gnu@gmail.com>
1970 * tree-vect-stmts.c (vectorizable_comparison): Add
1971 NULL check for vectype.
1973 2016-01-28 Richard Biener <rguenther@suse.de>
1975 PR tree-optimization/69466
1976 * tree-vect-loop-manip.c (slpeel_duplicate_current_defs_from_edges):
1977 Account for PHIs we couldn't duplicate.
1979 2016-01-28 Martin Liska <mliska@suse.cz>
1982 * ggc-common.c (gt_pch_save): Use ENABLE_VALGRIND_ANNOTATIONS macro
1983 instead of ENABLE_VALGRIND_CHECKING.
1985 2016-01-27 Richard Henderson <rth@redhat.com>
1988 * lra-remat.c (subreg_regs): New.
1989 (dump_candidates_and_remat_bb_data): Dump it.
1990 (operand_to_remat): Reject if operand in subreg_regs.
1991 (set_bb_regs): Collect subreg_regs.
1992 (lra_remat): Init and free subreg_regs. Compute
1993 calculate_local_reg_remat_bb_data before create_cands.
1995 2016-01-27 H.J. Lu <hongjiu.lu@intel.com>
1998 * config/i386/i386.c (ix86_update_stack_boundary): Don't
1999 change stack_alignment_needed for __tls_get_addr call.
2001 2016-01-27 Segher Boessenkool <segher@kernel.crashing.org>
2003 * config/rs6000/rs6000.c (print_operand): Rollback 's' removal.
2005 2016-01-27 Jeff Law <law@redhat.com>
2007 PR tree-optimization/68398
2008 PR tree-optimization/69196
2009 * params.def (PARAM_FSM_SCALE_PATH_STMTS): New parameter.
2010 (PARAM_FSM_SCALE_PATH_BLOCKS): Likewise.
2011 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
2012 Only count PHIs in the last block in the path. The others will
2013 const/copy propagate away. Add heuristic to allow more irreducible
2014 subloops to be created when it is likely profitable to do so.
2016 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
2017 Fix typo in comment. Use gsi_after_labels and remove the GIMPLE_LABEL
2018 check from within the loop. Use gsi_next_nondebug rather than gsi_next.
2020 2016-01-27 Jakub Jelinek <jakub@redhat.com>
2023 * sanitizer.def: Add BEGIN_SANITIZER_BUILTINS and
2024 END_SANITIZER_BUILTINS markers using DEF_BUILTIN_STUB.
2025 * asan.c (DEF_BUILTIN_STUB): Temporarily define.
2026 * tree-streamer-in.c: Include asan.h.
2027 (streamer_get_builtin_tree): For builtins in sanitizer
2028 range call initialize_sanitizer_builtins and retry.
2030 2016-01-27 Ian Lance Taylor <iant@google.com>
2032 * common.opt (fkeep-gc-roots-live): New undocumented option.
2033 * tree-ssa-loop-ivopts.c (add_candidate_1): If
2034 -fkeep-gc-roots-live, skip pointers.
2035 (add_iv_candidate_for_biv): Handle add_candidate_1 returning
2038 2016-01-27 Uros Bizjak <ubizjak@gmail.com>
2041 * config/i386/i386.md (*zext<mode>_doubleword_and): New pattern.
2042 (*zext<mode>_doubleword): Disable for TARGET_ZERO_EXTEND_WITH_AND.
2044 2016-01-27 Thomas Klausner <wiz@NetBSD.org>
2047 * configure.ac: NetBSD provides SSP in its C library.
2048 * configure: Updated.
2050 2016-01-27 Richard Biener <rguenther@suse.de>
2052 PR tree-optimization/69166
2053 * tree-vect-loop.c (vect_is_simple_reduction): Always check
2054 reduction code for commutativity / associativity.
2056 2016-01-27 Martin Jambor <mjambor@suse.cz>
2058 PR tree-optimization/69355
2059 * tree-sra.c (analyze_access_subtree): Correct hole detection when
2060 total_scalarization fails.
2062 2016-01-27 David Edelsohn <dje.gcc@gmail.com>
2064 * config/rs6000/driver-rs6000.c (detect_processor_aix): Add
2067 2016-01-27 Christian Bruel <christian.bruel@st.com>
2070 * config/arm/arm-c.c (arm_pragma_target_parse): Add comments.
2071 Move arm_reset_previous_fndecl and set_target_option_current_node in
2072 the conditional part. Call save_restore_target_globals.
2073 * config/arm/arm.c (arm_set_current_function):
2074 Refactor to better support #pragma target and attribute mix.
2075 Call save_restore_target_globals.
2076 * config/arm/arm-protos.h (save_restore_target_globals): New function.
2078 2016-01-27 Martin Liska <mliska@suse.cz>
2080 * hsa.c (hsa_summary_t::link_functions): Create IPA_REF_ADDR
2081 reference for an HSA kernel and its host function.
2083 2016-01-27 Jakub Jelinek <jakub@redhat.com>
2085 PR tree-optimization/69399
2086 * wide-int.h (wi::lrshift): For larger precisions, only
2087 use fast path if shift is known to be < HOST_BITS_PER_WIDE_INT.
2089 2016-01-27 Claudiu Zissulescu <claziss@synopsys.com>
2091 * config/arc/predicates.md (proper_comparison_operator): Reject
2092 constant-constant comparison.
2094 2016-01-26 Tom de Vries <tom@codesourcery.com>
2096 PR tree-optimization/69110
2097 * tree-data-ref.c (initialize_data_dependence_relation): Handle
2098 DR_NUM_DIMENSIONS == 0.
2100 2016-01-26 Abderrazek Zaafrani <a.zaafrani@samsung.com>
2101 Sebastian Pop <s.pop@samsung.com>
2103 * graphite-isl-ast-to-gimple.c (ternary_op_to_tree): Handle
2104 isl_ast_op_cond and isl_ast_op_select.
2105 (gcc_expression_from_isl_expr_op): Same.
2107 2016-01-26 Jason Merrill <jason@redhat.com>
2110 * tree.c (recompute_constructor_flags): Split out from
2112 (verify_constructor_flags): New.
2113 * tree.h: Declare them.
2115 2016-01-26 Iain Buclaw <ibuclaw@gdcproject.org>
2117 PR rtl-optimization/69217
2118 * var-tracking.c (tracked_record_parameter_p): Don't segfault if there
2119 are no TYPE_FIELDS set for the record type.
2121 2016-01-26 Jakub Jelinek <jakub@redhat.com>
2124 * config/rs6000/rs6000.c (rs6000_option_override_internal): Initialize
2125 toc_label_name unconditionally.
2126 (rs6000_emit_load_toc_table): Call ggc_strdup on toc_label_name for
2127 SYMBOL_REF string. Use toc_label_name instead of constructing
2129 (rs6000_elf_declare_function_name): Use toc_label_name instead of
2130 constructing LCTOC1.
2132 2016-01-26 Martin Sebor <msebor@redhat.com>
2135 * doc/extend.texi (Common Type Attributes): Move text that talks about
2136 attribute packed from attribute aligned to the section discussing
2137 the former attribute for clarity.
2139 2016-01-26 Richard Henderson <rth@redhat.com>
2142 * trans-mem.c (tm_region_init): Mark entry block as visited.
2144 2016-01-26 David Malcolm <dmalcolm@redhat.com>
2147 * diagnostic-show-locus.c (layout::print_source_line): Replace
2148 call to pp_newline with call to layout::print_newline.
2149 (layout::print_annotation_line): Likewise.
2150 (layout::move_to_column): Likewise.
2151 (layout::print_any_fixits): After printing any fixits, print a
2152 trailing newline, if necessary.
2153 (layout::print_newline): New method, resetting any colorization
2155 (diagnostic_show_locus): Move the pp_newline to before the
2156 early bailout. Remove dummy block enclosing the layout instance.
2157 * diagnostic.c (default_diagnostic_finalizer): Replace invocation
2158 of pp_newline_and_flush with pp_flush.
2159 (diagnostic_append_note): Delete use of pp_newline.
2160 (diagnostic_append_note_at_rich_loc): Delete.
2161 * diagnostic.h (diagnostic_append_note_at_rich_loc): Delete.
2162 * pretty-print.h (output_buffer_append_r): Reset buff->line_length
2163 when newline characters are added to the buffer.
2165 2016-01-26 Michael Matz <matz@suse.de>
2167 * configure.ac (ac_cv_std_swap_in_utility): New test.
2168 * system.h (<algorithm>): Check HAVE_SWAP_IN_UTILITY as well.
2169 * configure: Regenerate.
2170 * config.in: Regenerate.
2172 2016-01-26 Claudiu Zissulescu <claziss@synopsys.com>
2174 * config/arc/arc.md (cstoresi4): Force operand into register.
2175 (arcset<code>): Fix predicate.
2176 (arcsetltu): Likewise.
2177 (arcsetgeu): Likewise.
2178 (arcsethi): Likewise.
2179 (arcsetls): Likewise.
2181 2016-01-26 Jakub Jelinek <jakub@redhat.com>
2183 PR tree-optimization/69483
2184 * gimple-fold.c (canonicalize_constructor_val): Return NULL
2185 if base has error_mark_node type.
2187 2016-01-26 Christophe Lyon <christophe.lyon@linaro.org>
2190 * config/arm/arm.c (neon_valid_immediate): Handle FP16 vectors.
2191 * config/arm/arm_neon.h (__ARM_NUM_LANES, __arm_lane, arm_lanq):
2193 (vget_lane_f16): Handle big-endian.
2194 (vgetq_lane_f16): Likewise.
2195 (vset_lane_f16): Likewise.
2196 (vsetq_lane_f16): Likewise.
2197 * config/arm/iterators.md (VQXMOV): Add V8HF.
2198 (VDQ): Add V4HF and V8HF.
2199 (V_reg): Handle V4HF and V8HF.
2200 (Is_float_mode): Likewise.
2201 * config/arm/neon.md (movv4hf, movv8hf, neon_vdup_nv4hf,
2202 neon_vdup_nv8hf): New patterns.
2203 (vec_set<mode>_internal, vec_extract<mode>, neon_vld1_dup<mode>):
2204 Use VD_LANE iterator.
2205 (neon_vld1_dup<mode>): Use VQ2 iterator.
2207 2016-01-26 Nathan Sidwell <nathan@acm.org>
2209 * omp-low.h (oacc_fn_attrib_kernels_p): Declare.
2210 (set_oacc_fn_attrib): Add IS_KERNEL arg.
2211 * omp-low.c (set_oacc_fn_attrib): Add IS_KERNEL arg.
2212 (oacc_fn_attrib_kernels_p, oacc_fn_attrib_level): New.
2213 (expand_omp_target): Pass is_kernel to set_oacc_fn_attrib.
2214 (oacc_validate_dims): Add LEVEL arg, don't return level.
2215 (new_oacc_loop_routine): Use oacc_fn_attrib_level, not
2217 (execute_oacc_device_lower): Adjust, add more dump output.
2218 * tree-ssa-loop.c (gate_oacc_kernels): Use
2219 oacc_fn_attrib_kernels_p.
2220 * tree-parloops.c (create_parallel_loop): Adjust
2221 set_oacc_fn_attrib call.
2223 2016-01-26 Jakub Jelinek <jakub@redhat.com>
2226 * lto-wrapper.c (merge_and_complain): Handle -fcilkplus.
2227 (append_compiler_options): Handle -fcilkplus.
2228 (append_linker_options): Ignore -fno-{openmp,openacc,cilkplus}.
2230 2016-01-26 Nick Clifton <nickc@redhat.com>
2233 * config/i386/winnt.c (i386_pe_binds_local_p): If a function has
2234 been marked as DECL_ONE_ONLY but we do not the means to make it
2235 so, then do not allow it to bind locally.
2237 2016-01-26 Jakub Jelinek <jakub@redhat.com>
2240 * opts.h (parse_sanitizer_options): New prototype.
2241 * opts.c (sanitizer_opts): New array.
2242 (parse_sanitizer_options): New function.
2243 (common_handle_option): Use parse_sanitizer_options.
2245 2016-01-26 H.J. Lu <hongjiu.lu@intel.com>
2248 * config/i386/i386.c (ix86_compute_frame_layout): Move stack
2249 alignment adjustment to ...
2250 (ix86_update_stack_boundary): Here. Don't over-align stack for
2252 (ix86_finalize_stack_realign_flags): Use stack_alignment_needed
2253 if __tls_get_addr is called.
2255 2016-01-26 Christian Bruel <christian.bruel@st.com>
2257 * doc/sourcebuild.texi (arm_crypto_pragma_ok): Remove.
2259 2016-01-26 Eric Botcazou <ebotcazou@adacore.com>
2261 * config/ia64/ia64.c (ia64_expand_vecint_compare): Use gen_int_mode.
2263 2016-01-26 Richard Biener <rguenther@suse.de>
2266 * match.pd: Guard X * CST CMP 0 pattern with single_use.
2268 2016-01-26 Richard Biener <rguenther@suse.de>
2270 PR tree-optimization/69452
2271 * tree-ssa-loop-im.c (move_computations_dom_walker): Remove.
2272 (move_computations_dom_walker::before_dom_children): Rename
2274 (move_computations_worker): This.
2275 (move_computations): Perform an RPO rather than a DOM walk.
2277 2016-01-26 Jakub Jelinek <jakub@redhat.com>
2280 * combine.c (combine_instructions): For REG_EQUAL note with
2281 SET_DEST being ZERO_EXTRACT, also temporarily set SET_DEST
2282 to the underlying register.
2283 * doc/rtl.texi (REG_EQUAL): Document the behavior of
2284 REG_EQUAL/REG_EQUIV notes if SET_DEST is ZERO_EXTRACT.
2286 2016-01-26 Roger Ferrer Ibáñez <rofirrim@gmail.com>
2289 * config/aarch64/aarch64-builtins.c
2290 (aarch64_init_simd_builtin_types): Do not set structural
2291 equality to __Poly{8,16,64,128}_t types.
2293 2016-01-26 Richard Sandiford <richard.sandiford@arm.com>
2295 PR tree-optimization/69400
2296 * wide-int.cc (wi_pack): Take the precision as argument and
2297 perform canonicalization here rather than in the callers.
2298 Use the main loop to handle all full-width HWIs. Add a
2299 zero HWI if in_len isn't a full result.
2300 (wi::divmod_internal): Update accordingly.
2301 (wi::mul_internal): Likewise. Simplify.
2303 2016-01-25 Aditya Kumar <aditya.k7@samsung.com>
2304 Sebastian Pop <s.pop@samsung.com>
2306 * graphite-poly.c (apply_poly_transforms): Simplify.
2307 (print_isl_set): Use more readable format: ISL_YAML_STYLE_BLOCK.
2308 (print_isl_map): Same.
2309 (print_isl_union_map): Same.
2310 (print_isl_schedule): New.
2311 (debug_isl_schedule): New.
2312 * graphite-dependences.c (scop_get_reads): Do not call
2313 isl_union_map_add_map that is undocumented isl functionality.
2314 (scop_get_must_writes): Same.
2315 (scop_get_may_writes): Same.
2316 (scop_get_original_schedule): Remove.
2317 (scop_get_dependences): Do not call isl_union_map_compute_flow that
2318 is deprecated in isl 0.15. Instead, use isl_union_access_* interface.
2319 (compute_deps): Remove.
2320 * graphite-isl-ast-to-gimple.c (print_schedule_ast): New.
2321 (debug_schedule_ast): New.
2322 (translate_isl_ast_to_gimple::scop_to_isl_ast): Call
2323 set_separate_option.
2324 (graphite_regenerate_ast_isl): Add dump.
2325 (translate_isl_ast_to_gimple::scop_to_isl_ast): Generate code
2326 from scop->transformed_schedule.
2327 (graphite_regenerate_ast_isl): Add more dump.
2328 * graphite-optimize-isl.c (optimize_isl): Set
2329 scop->transformed_schedule. Check whether schedules are equal.
2330 (apply_poly_transforms): Move here.
2331 * graphite-poly.c (apply_poly_transforms): ... from here.
2332 (free_poly_bb): Static.
2333 (free_scop): Static.
2334 (pbb_number_of_iterations_at_time): Remove.
2335 (print_isl_ast): New.
2336 (debug_isl_ast): New.
2337 (debug_scop_pbb): New.
2338 * graphite-scop-detection.c (print_edge): Move.
2340 * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Remove.
2341 (build_scop_scattering): Remove.
2342 (create_pw_aff_from_tree): Assert instead of bailing out.
2343 (add_condition_to_pbb): Remove unused code, do not fail.
2344 (add_conditions_to_domain): Same.
2345 (add_conditions_to_constraints): Remove.
2346 (build_scop_context): New.
2347 (add_iter_domain_dimension): New.
2348 (build_iteration_domains): Initialize pbb->iterators.
2349 Call add_conditions_to_domain.
2352 (index_outermost_in_loop): New.
2353 (index_pbb_in_loop): New.
2354 (outermost_pbb_in): New.
2355 (add_in_sequence): New.
2356 (add_outer_projection): New.
2357 (outer_projection_mupa): New.
2358 (add_loop_schedule): New.
2359 (build_schedule_pbb): New.
2360 (build_schedule_loop): New.
2361 (embed_in_surrounding_loops): New.
2362 (build_schedule_loop_nest): New.
2363 (build_original_schedule): New.
2364 (build_poly_scop): Call build_original_schedule.
2365 * graphite.h: Declare print_isl_schedule and debug_isl_schedule.
2366 (free_poly_dr): Remove.
2367 (struct poly_bb): Add iterators. Remove schedule, transformed, saved.
2368 (free_poly_bb): Remove.
2369 (debug_loop_vec): Remove.
2370 (print_isl_ast): Declare.
2371 (debug_isl_ast): Declare.
2372 (scop_do_interchange): Remove.
2373 (scop_do_strip_mine): Remove.
2374 (scop_do_block): Remove.
2375 (flatten_all_loops): Remove.
2376 (optimize_isl): Remove.
2377 (pbb_number_of_iterations_at_time): Remove.
2378 (debug_scop_pbb): Declare.
2379 (print_schedule_ast): Declare.
2380 (debug_schedule_ast): Declare.
2381 (struct scop): Remove schedule. Add original_schedule,
2382 transformed_schedule.
2383 (free_gimple_poly_bb): Remove.
2384 (print_generated_program): Remove.
2385 (debug_generated_program): Remove.
2386 (unify_scattering_dimensions): Remove.
2387 * sese.c (print_edge): ... here.
2388 (print_sese): ... here.
2389 (debug_edge): ... here.
2390 (debug_sese): ... here.
2391 * sese.h (print_edge): Declare.
2392 (print_sese): Declare.
2393 (dump_edge): Declare.
2394 (dump_sese): Declare.
2396 2016-01-25 Aditya Kumar <aditya.k7@samsung.com>
2397 Sebastian Pop <s.pop@samsung.com>
2399 * Makefile.in: Set ISLVER in site.exp.
2401 2016-01-25 Jakub Jelinek <jakub@redhat.com>
2403 * omp-low.c (lower_omp_target) <case USE_DEVICE_PTR>: Set
2404 DECL_VALUE_EXPR of new_var even for the non-array case. Look
2405 through DECL_VALUE_EXPR for expansion.
2407 2016-01-25 Bernd Edlinger <bernd.edlinger@hotmail.de>
2409 * config/mips/mips.c (mips_compute_frame_info): Skip re-computing
2410 the frame info after reload completed.
2412 2016-01-25 Jeff Law <law@redhat.com>
2414 PR tree-optimization/69196
2415 PR tree-optimization/68398
2416 * tree-ssa-threadupdate.h (enum bb_dom_status): Moved here from
2417 tree-ssa-threadupdate.c.
2418 (determine_bb_domination_status): Prototype
2419 * tree-ssa-threadupdate.c (enum bb_dom_status): Remove
2420 (determine_bb_domination_status): No longer static.
2421 (valid_jump_thread_path): Remove code to detect characteristics
2422 of the jump thread path not associated with correctness.
2423 * tree-ssa-threadbackward.c (fsm_find_control_statment_thread_paths):
2424 Correct test for thread path length. Count PHIs for real operands as
2425 statements that need to be copied. Do not count ASSERT_EXPRs.
2426 Look at all the blocks in the thread path. Compute and selectively
2427 filter thread paths based on threading through the latch, threading
2428 a multiway branch or crossing a multiway branch.
2430 2016-01-25 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2432 * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled): Add
2433 decl with __attribute__ ((unused)) annotation.
2435 2016-01-25 Ilya Enkovich <enkovich.gnu@gmail.com>
2438 * tree-vect-stmts.c (vectorizable_condition): Check vectype
2439 of operands is compatible with a statement vectype.
2441 2016-01-25 Eric Botcazou <ebotcazou@adacore.com>
2443 * doc/extend.texi (scalar_storage_order type attribute): Fix typo and
2444 improve wording for mixed storage order support.
2446 2016-01-25 Bilyan Borisov <bilyan.borisov@arm.com>
2448 * config/aarch64/arm_neon.h (vcvt_s64_f64): New intrinsic.
2449 (vcvt_u64_f64): Likewise.
2450 (vcvta_s64_f64): Likewise.
2451 (vcvta_u64_f64): Likewise.
2452 (vcvtm_s64_f64): Likewise.
2453 (vcvtm_u64_f64): Likewise.
2454 (vcvtn_s64_f64): Likewise.
2455 (vcvtn_u64_f64): Likewise.
2456 (vcvtp_s64_f64): Likewise.
2457 (vcvtp_u64_f64): Likewise.
2459 2016-01-25 Claudiu Zissulescu <claziss@synopsys.com>
2461 * config/arc/arc.c (TARGET_DWARF_REGISTER_SPAN): Define.
2462 (arc_init): Check validity mll64 option.
2463 (arc_save_restore): Use double load/store instruction.
2464 (arc_expand_movmem): Likewise.
2465 (arc_split_move): Don't split if we have double load/store
2466 instructions. Returns a boolean.
2467 (arc_process_double_reg_moves): Change function to return boolean
2468 instead of a sequence of instructions.
2469 (arc_dwarf_register_span): New function.
2470 * config/arc/arc-protos.h (arc_split_move): Change prototype.
2471 * config/arc/arc.h (TARGET_CPU_CPP_BUILTINS): Define __ARC_LL64__.
2472 * config/arc/arc.md (*movdi_insn): Emit ldd/std instructions.
2473 (*movdf_insn): Likewise.
2474 * config/arc/arc.opt (mll64): New option.
2475 * config/arc/predicates.md (even_register_operand): New predicate.
2476 * doc/invoke.texi (ARC Options): Add mll64 documentation.
2478 2016-01-25 Richard Biener <rguenther@suse.de>
2481 * dwarf2out.c (is_naming_typedef_decl): Not when DECL_NAMELESS.
2482 * tree-streamer-out.c (pack_ts_base_value_fields): Stream
2484 * tree-streamer-in.c (unpack_ts_base_value_fields): Likewise.
2486 2016-01-25 Richard Biener <rguenther@suse.de>
2488 PR tree-optimization/69376
2489 * tree-ssa-sccvn.h (struct vn_ssa_aux): Add range_info_anti_range_p
2491 (VN_INFO_ANTI_RANGE_P): New inline.
2492 (VN_INFO_RANGE_TYPE): Likewise.
2493 * tree-ssa-sccvn.c (set_ssa_val_to): Also record and copy
2494 SSA_NAME_ANTI_RANGE_P.
2495 (free_scc_vn): Restore SSA_NAME_ANTI_RANGE_P.
2496 * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
2497 Properly query VN_INFO_RANGE_TYPE.
2499 2016-01-25 Nick Clifton <nickc@redhat.com>
2502 * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Remove definition.
2504 2016-01-23 Tom de Vries <tom@codesourcery.com>
2506 PR tree-optimization/69426
2507 * tree-parloops.c (eliminate_local_variables_stmt): Handle vdef of
2510 2016-01-23 Jakub Jelinek <jakub@redhat.com>
2512 * tree-ssanames.c (release_free_names_and_compact_live_names): Replace
2513 "the the" with "the" in the comments.
2514 * ipa-devirt.c (build_type_inheritance_graph,
2515 update_type_inheritance_graph): Likewise.
2516 * tree.c (build_function_type_list_1): Likewise.
2517 * cfgloopmanip.c (scale_loop_profile): Likewise.
2518 * tree-ssa-loop-ivopts.c (get_shiftadd_cost): Likewise.
2519 * gimple-ssa-split-paths.c
2520 (find_block_to_duplicate_for_splitting_paths): Likewise.
2521 * tree-sra.c (init_subtree_with_zero, clobber_subtree): Likewise.
2522 * expr.c (convert_move): Likewise.
2523 * var-tracking.c (vt_stack_adjustments): Likewise.
2524 * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Likewise.
2525 * tree-vrp.c (test_for_singularity): Likewise.
2527 * tree-vect-stmts.c (vectorizable_condition): Build a VEC_COND_EXPR
2528 directly instead of building a temporary tree.
2531 * genrecog.c: Define INCLUDE_ALGORITHM before including system.h,
2532 remove <algorithm> include.
2534 2016-01-22 Jakub Jelinek <jakub@redhat.com>
2537 * config/i386/i386.c: Include dojump.h.
2538 (expand_small_movmem_or_setmem,
2539 expand_set_or_movmem_prologue_epilogue_by_misaligned_moves): Spelling
2541 (ix86_expand_set_or_movmem): Call do_pending_stack_adjust () early
2542 if dynamic_check != -1.
2544 2016-01-21 Jeff Law <law@redhat.com>
2547 * tree-ssa-dom.c (back_propagate_equivalences): Factored out of
2548 record_temporary_equivalences. Rewritten to avoid unnecessary calls
2549 into dominated_by_p.
2550 (cprop_into_successor_phis): Avoid unnecessary tests.
2552 2016-01-22 Richard Henderson <rth@redhat.com>
2555 * config/aarch64/aarch64.md (UNSPEC_NZCV): New.
2556 (ccmp<mode>, fccmp<mode>, fccmpe<mode>): Use it.
2558 2016-01-22 Michael Matz <matz@suse.de>
2560 * system.h (string, algorithm): Include only conditionally.
2561 (new): Include always under C++.
2562 * bb-reorder.c (toplevel): Define INCLUDE_ALGORITHM.
2563 * final.c (toplevel): Ditto.
2564 * ipa-chkp.c (toplevel): Define INCLUDE_STRING.
2565 * genconditions.c (write_header): Make gencondmd.c define
2567 * mem-stats.h (mem_usage::print_dash_line): Don't use std::string.
2569 * config/aarch64/aarch64.c (toplevel): Define INCLUDE_STRING.
2570 * common/config/aarch64/aarch64-common.c (toplevel): Ditto.
2572 2016-01-22 Christian Bruel <christian.bruel@st.com>
2575 * expr.c (expand_expr_real_1): Reset DECL_MODE if VECTOR_TYPE_P changed.
2577 2016-01-22 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
2580 * config/arm/thumb2.md (*thumb2_ior_scc_strict_it): Convert to
2581 define_insn_and_split. Ensure operands[1] and operands[0] do not
2582 get assigned the same register.
2584 2016-01-22 Kugan Vivekanandarajah <kuganv@linaro.org>
2586 * ipa-prop.c (ipa_set_jf_constant): Remove redundant unshare_expr.
2588 2016-01-22 Christian Bruel <christian.bruel@st.com>
2590 * config/arm/arm-c.c (arm_pragma_target_parse):
2591 Remove warn_builtin_macro_redefined overwrite.
2593 2016-01-22 Eric Botcazou <ebotcazou@adacore.com>
2595 * ipa-inline.c (can_inline_edge_p): Back out overzealous check on
2596 flag_non_call_exceptions compatibility.
2598 2016-01-22 Jakub Jelinek <jakub@redhat.com>
2601 * dwarf2out.c (add_child_die_after): New function.
2602 (dwarf_qual_info_t): New type.
2603 (dwarf_qual_info): New variable.
2604 (qualified_die_p): New function.
2605 (modified_type_die): For -fdebug-types-section, ensure
2606 canonical order of qualifiers. Put qualified DIEs adjacent
2607 to the corresponding non-qualified type DIE and search there
2608 for existing qualified DIEs.
2610 2016-01-22 Eric Botcazou <ebotcazou@adacore.com>
2612 * doc/extend.texi (scalar_storage_order type attribute): Document
2613 restriction on type punning and aliasing, and remove future tense.
2615 2016-01-21 Roman Zhuykov <zhroma@ispras.ru>
2618 * modulo-sched.c (optimize_sc): Allow branch-scheduling to add a new
2621 2016-01-21 Jeff Law <law@redhat.com>
2624 * tree-ssa-dom.c (dom_opt_dom_walker::thread_across_edge): Avoid
2625 useless call to record_temporary_equivalences.
2626 * tree-ssa-threadbackward.c (find_jump_threads_backwards): Just
2627 allocate 10 slots in the bb_path vector and let it grow as needed.
2628 (fsm_find_control_statement_thread_paths): Similarly for the next_path
2631 2016-01-21 David Edelsohn <dje.gcc@gmail.com>
2633 * configure.ac (gcc_cv_as_powerpc_mfcrf, gcc_cv_as_machine_directive):
2635 * configure: Regenerate.
2637 2016-01-21 Pat Haugen <pthaugen@us.ibm.com>
2639 * config/rs6000/aix71.h (ASM_CPU_SPEC): Add entry for Power9.
2640 * config/rs6000/driver-rs6000.c (struct asm_names): Likewise.
2642 2016-01-21 Bernd Schmidt <bschmidt@redhat.com>
2645 * expr.c (expand_expr_real_2) [PLUS_EXPR, MINUS_EXPR]: Don't
2646 drop EXPAND_INITIALIZER.
2647 * rtl.h (contains_symbolic_reference_p): Declare.
2648 * rtlanal.c (contains_symbolic_reference_p): New function.
2649 * simplify-rtx.c (simplify_binary_operation_1): Don't turn
2650 a subtraction into a NOT if symbolic constants are involved.
2652 2016-01-21 Anton Blanchard <anton@samba.org>
2653 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2656 * config/rs6000/linux64.h (TARGET_KEEP_LEAF_WHEN_PROFILED): New
2658 * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled): New
2661 2016-01-21 Ajit Agarwal <ajitkum@xilinx.com>
2663 * config/microblaze/microblaze.c
2664 (get_branch_target): New.
2665 (insert_wic_for_ilb_runout): New.
2667 (microblaze_machine_dependent_reorg): New.
2668 (TARGET_MACHINE_DEPENDENT_REORG): Define macro.
2669 * config/microblaze/microblaze.md
2670 (UNSPEC_IPREFETCH): Define.
2671 (iprefetch): New pattern
2672 * config/microblaze/microblaze.opt
2673 (mxl-prefetch): New flag.
2675 2016-01-21 Ajit Agarwal <ajitkum@xilinx.com>
2677 * config/microblaze/microblaze.h
2678 (FIXED_REGISTERS): Update in macro.
2679 (CALL_USED_REGISTERS): Update in macro.
2681 2016-01-21 Yuri Rumyantsev <ysrumyan@gmail.com>
2683 PR rtl-optimization/68920
2684 * ifcvt.c (cond_move_process_if_block): Limit number of conditional
2687 2016-01-21 Vladimir Makarov <vmakarov@redhat.com>
2689 PR rtl-optimization/68990
2690 * lra-coalesce.c (lra_coalesce): Invalidate value for the result
2691 pseudo instead of inheritance ones.
2693 2016-01-21 Bernd Edlinger <bernd.edlinger@hotmail.de>
2694 Nick Clifton <nickc@redhat.com>
2698 * config/mips/mips.c (mips_compute_frame_info): Initialise
2699 args_size and hard_frame_pointer_offset fields of the frame
2700 structure before calling mips_global_pointer.
2702 2016-01-21 David Edelsohn <dje.gcc@gmail.com>
2704 * configure.ac (gcc_cv_as_dwloc): Test support for debug frame section
2706 * configure: Regenerate.
2708 2016-01-21 Richard Biener <rguenther@suse.de>
2710 * graphite-optimize-isl.c (get_schedule_map): Fix typo.
2712 2016-01-21 Marcin Kościelnicki <koriakin@0x04.net>
2714 * config/s390/s390.c (s390_asm_declare_function_size): Add code
2715 to actually emit the .size directive.
2717 2016-01-21 Stefan Sørensen <stefan.sorensen@spectralink.com>
2718 Jakub Jelinek <jakub@redhat.com>
2722 * config/arm/arm-builtins.c (arm_expand_neon_builtin): Increase
2723 args array size by one to avoid buffer overflow.
2725 2016-01-21 Marcin Kościelnicki <koriakin@0x04.net>
2727 * config/s390/s390.md (pool_section_start): Use switch_to_section
2728 to select proper read-only data section instead of hardcoding
2730 (pool_section_end): Use switch_to_section to match the above.
2732 2016-01-21 Richard Biener <rguenther@suse.de>
2734 PR tree-optimization/69378
2735 * tree-ssa-sccvn.c (dominated_by_p_w_unex): New function.
2736 (set_ssa_val_to): Use it for dominance checks taking into
2737 account not executable edges.
2739 2016-01-21 Jakub Jelinek <jakub@redhat.com>
2742 * tree-dfa.c (get_ref_base_and_extent): Use GET_MODE_BITSIZE (mode)
2743 for bitsize instead of GET_MODE_PRECISION (mode).
2745 2016-01-20 Martin Sebor <msebor@redhat.com>
2748 * extend.texi (__sync Builtins): Clarify the semantics of
2749 __sync_fetch_and_OP built-ins on pointers.
2750 (__atomic Builtins): Same.
2752 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
2753 Sebastian Pop <s.pop@samsung.com>
2755 * graphite-isl-ast-to-gimple.c (enum phi_node_kind): New.
2756 (class translate_isl_ast_to_gimple): Use phi_node_kind instead of bool.
2757 (is_valid_rename): Same.
2758 (translate_isl_ast_to_gimple::get_rename): Same.
2759 (translate_isl_ast_to_gimple::rename_all_uses): Same.
2760 (translate_isl_ast_to_gimple::rename_uses): Same.
2761 (get_new_name): Check for close_phi nodes.
2762 (copy_loop_phi_args): Use phi_node_kind.
2763 (translate_isl_ast_to_gimple::copy_loop_close_phi_args): Same.
2764 (translate_isl_ast_to_gimple::copy_cond_phi_args): Same.
2766 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
2767 Sebastian Pop <s.pop@samsung.com>
2769 Revert commit r229783.
2770 * graphite-isl-ast-to-gimple.c (gcc_expression_from_isl_ast_expr_id):
2771 Remove use of parameter_rename_map.
2773 (copy_internal_parameters): Remove.
2774 (graphite_regenerate_ast_isl): Remove call to copy_internal_parameters.
2775 * sese.c (new_sese_info): Do not initialize parameter_rename_map.
2776 (free_sese_info): Do not free parameter_rename_map.
2777 (set_rename): Do not use parameter_rename_map.
2778 (rename_uses): Update call to set_rename.
2779 (graphite_copy_stmts_from_block): Do not use parameter_rename_map.
2780 * sese.h (parameter_rename_map_t): Remove.
2781 (struct sese_info_t): Remove field parameter_rename_map.
2783 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
2784 Sebastian Pop <s.pop@samsung.com>
2786 * graphite-isl-ast-to-gimple.c: Fix comment.
2787 * graphite-scop-detection.c (defined_in_loop_p): New.
2788 (canonicalize_loop_closed_ssa): Do not add close phi nodes for SSA
2789 names defined in loop.
2791 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
2792 Sebastian Pop <s.pop@samsung.com>
2794 * graphite-scop-detection.c (scop_detection::harmful_loop_in_region):
2795 Discard unstructured if-then-else regions.
2797 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
2798 Sebastian Pop <s.pop@samsung.com>
2800 * graphite-sese-to-poly.c (set_scop_parameter_dim): Remove.
2801 (cleanup_loop_iter_dom): Remove.
2802 (build_loop_iteration_domains): Remove.
2803 (build_scop_context): Remove.
2804 (build_scop_iteration_domain): Remove.
2805 (add_loop_constraints): New.
2806 (build_iteration_domains): New.
2807 (build_poly_scop): Call build_iteration_domains.
2809 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
2810 Sebastian Pop <s.pop@samsung.com>
2812 * graphite-scop-detection.c
2813 (scop_detection::harmful_loop_in_region): Free dom and loops.
2814 (scop_detection::loop_body_is_valid_scop): Free bbs.
2816 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
2817 Sebastian Pop <s.pop@samsung.com>
2819 * graphite-scop-detection.c (record_loop_in_sese): New.
2820 (gather_bbs::before_dom_children): Call record_loop_in_sese.
2821 (build_scops): Remove call to build_sese_loop_nests.
2822 * sese.c (sese_record_loop): Remove.
2823 (build_sese_loop_nests): Remove.
2824 (new_sese_info): Remove region->loops.
2825 (free_sese_info): Same.
2826 * sese.h (sese_contains_loop): Same.
2827 (build_sese_loop_nests): Remove.
2828 (sese_contains_loop): Remove.
2830 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
2831 Sebastian Pop <s.pop@samsung.com>
2833 * graphite-scop-detection.c (loop_is_valid_scop): Renamed
2834 loop_is_valid_in_scop.
2835 (scop_detection::harmful_stmt_in_region): Renamed
2836 harmful_loop_in_region.
2837 Call loop_is_valid_in_scop.
2839 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
2840 Sebastian Pop <s.pop@samsung.com>
2842 * graphite-isl-ast-to-gimple.c (translate_isl_ast): Also handle
2845 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
2846 Sebastian Pop <s.pop@samsung.com>
2848 * graphite-poly.c (new_poly_bb): Remove use of PBB_IS_REDUCTION.
2849 * graphite.h (struct poly_bb): Remove field is_reduction.
2850 (PBB_IS_REDUCTION): Remove.
2852 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
2853 Sebastian Pop <s.pop@samsung.com>
2855 * graphite-dependences.c (constrain_domain): Add call to isl_*_coalesce.
2856 (add_pdr_constraints): Same.
2857 (scop_get_reads): Same.
2858 (scop_get_must_writes): Same.
2859 (scop_get_may_writes): Same.
2860 (scop_get_original_schedule): Same.
2861 (extend_schedule): Same.
2862 (apply_schedule_on_deps): Same.
2863 (carries_deps): Same.
2864 (compute_deps): Same.
2865 (scop_get_dependences): Same.
2866 * graphite-isl-ast-to-gimple.c
2867 (translate_isl_ast_to_gimple::generate_isl_schedule): Same.
2868 * graphite-optimize-isl.c (get_schedule_for_band): Same.
2869 (get_schedule_for_band_list): Same.
2870 (get_schedule_map): Same.
2871 (apply_schedule_map_to_scop): Same.
2872 * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
2873 (build_loop_iteration_domains): Same.
2874 (add_condition_to_pbb): Same.
2875 (add_param_constraints): Same.
2876 (pdr_add_memory_accesses): Same.
2877 (pdr_add_data_dimensions): Same.
2879 2016-01-20 Sandra Loosemore <sandra@codesourcery.com>
2881 * doc/invoke.texi (Instrumentation Options): Clarify -mmpx linking
2884 2016-01-20 Sandra Loosemore <sandra@codesourcery.com>
2886 * common.opt (feliminate-dwarf2-dups): Replace references to
2887 "DWARF 2" with just "DWARF".
2888 * config/ia64/ia64.opt (mdwarf2-asm): Likewise.
2889 * doc/extend.texi: Likewise.
2890 * doc/cpp.texi: Likewise.
2891 * doc/invoke.texi: Likewise.
2892 (Option Summary): Add -gdwarf to list of Debugging Options.
2893 (Debugging Options): Document -gdwarf.
2894 * doc/contrib.texi: Spell "DWARF" like that.
2896 2016-01-21 Jakub Jelinek <jakub@redhat.com>
2898 * omp-low.c (expand_omp_target): Avoid -Wmaybe-uninitialized
2899 warning. Fix up formatting.
2902 * gimplify.c (gimplify_asm_expr): Warn if it is too late to
2903 attempt to mark memory input operand addressable and
2904 call prepare_gimple_addressable in that case. Don't adjust
2905 input_location for diagnostics, use error_at instead.
2907 2016-01-20 Peter Bergner <bergner@vnet.ibm.com>
2909 * config/rs6000/ppc-auxv.h: New file.
2910 * config/rs6000/rs6000-builtin.def (cpu_init): Add new builtin.
2912 (cpu_supports): Likewise.
2913 * config/rs6000/rs6000.c: include "ppc-auxv.h".
2914 (cpu_is_info): New variable.
2915 (cpu_supports_info): Likewise.
2916 (tcb_verification_symbol): Likewise.
2917 (cpu_builtin_p): Likewise.
2918 (cpu_expand_builtin): New function.
2919 (rs6000_expand_ternop_builtin): Add support for CPU builtin functions.
2920 (rs6000_init_builtins): Likewise.
2921 (rs6000_elf_file_end): Emit HWCAP in TCB verification symbol.
2922 * config/rs6000/rs6000.h (TLS_REGNUM): New define.
2923 * configure.ac (gcc_cv_libc_provides_hwcap_in_tcb): New test.
2924 * configure: Regenerate.
2925 * config.in: Likewise.
2926 * doc/extend.texi (PowerPC Built-in Functions): Document
2927 __builtin_cpu_init, __builtin_cpu_is and __builtin_cpu_supports.
2929 2016-01-20 David Edelsohn <dje.gcc@gmail.com>
2932 * config/rs6000/rs6000.c (rs6000_emit_swsqrt): Add vector sqrt
2934 * config/rs6000/vector.md (sqrt<mode>2): Call rs6000_emit_swsqrt
2937 2016-01-20 Richard Henderson <rth@redhat.com>
2943 * tree.c (tm_define_builtin): New.
2944 (find_tm_vector_type): New.
2945 (build_tm_vector_builtins): New.
2946 (build_common_builtin_nodes): Call it.
2948 2016-01-20 Christophe Lyon <christophe.lyon@linaro.org>
2950 * doc/sourcebuild.texi (arm_crypto_pragma_ok): Document new entry.
2951 (arm_fp_ok): Likewise.
2953 (arm_crypto): Likewise.
2955 2016-01-20 Ilya Enkovich <enkovich.gnu@gmail.com>
2956 Richard Biener <rguenther@suse.de>
2958 PR tree-optimization/69328
2959 * tree-vect-stmts.c (vect_is_simple_cond): Check compared
2960 vectors have same number of elements.
2961 (vectorizable_condition): Fix masked version recognition.
2963 2016-01-20 Richard Biener <rguenther@suse.de>
2965 PR tree-optimization/69345
2966 * tree-ssa-sccvn.h (VN_INFO_RANGE_INFO): New inline function.
2967 (VN_INFO_PTR_INFO): Likewise.
2968 * tree-ssa-sccvn.c (set_ssa_val_to): Avoid clearing points-to
2969 info when it is equal between non-dominating SSA names.
2970 * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
2971 Make sure to look at original SSA infos.
2973 2016-01-20 Jeff Law <law@redhat.com>
2976 * config/m68k/predicates.md (pow2_m1_operand): New predicate
2978 (reg_or_pow2_m1_operand): Call pow2_m1_operand.
2979 (pc_or_label_operand): New predicate.
2980 * config/m68k/m68k.md: Add new peephole2 patterns for GTU/LEU
2981 tests for small integers that are 2^n - 1.
2983 2016-01-20 Jonathan Wakely <jwakely@redhat.com>
2985 * doc/invoke.texi (Options Summary): Add '.' after @xref.
2987 2016-01-19 Jeff Law <law@redhat.com>
2990 * tree-ssa-threadbackwards.c
2991 (fsm_find_control_statement_thread_paths): Do not try to lookup
2992 FSM paths for SSA_NAMEs appearing in abnormal PHIs.
2994 2016-01-20 Kugan Vivekanandarajah <kuganv@linaro.org>
2996 * doc/lto.texi: Remove text that says only Gold has linker plugin
2999 2016-01-19 Eric Botcazou <ebotcazou@adacore.com>
3001 * dwarf2out.c (need_endianity_attribute_p): New inline predicate.
3002 (base_type_die): Add REVERSE parameter and attach DW_AT_endianity to
3003 the DIE accordingly.
3004 (modified_type_die): Add REVERSE parameter and pass it recursively,
3005 as well as to base_type_die. Adjust presence check accordingly.
3006 (base_type_for_mode): Adjust call to modified_type_die.
3007 (add_type_attribute): Add REVERSE parameter and pass it to
3009 (generic_parameter_die): Adjust call to add_type_attribute.
3010 (add_scalar_info): Likewise.
3011 (add_subscript_info): Likewise.
3012 (gen_array_type_die): Likewise.
3013 (gen_descr_array_type_die): Likewise.
3014 (gen_entry_point_die): Likewise.
3015 (gen_enumeration_type_die): Likewise.
3016 (gen_formal_parameter_die): Likewise.
3017 (gen_subprogram_die): Likewise.
3018 (gen_variable_die ): Likewise.
3019 (gen_const_die): Likewise.
3020 (gen_field_die): Likewise.
3021 (gen_pointer_type_die): Likewise.
3022 (gen_reference_type_die): Likewise.
3023 (gen_ptr_to_mbr_type_die): Likewise.
3024 (gen_inheritance_die): Likewise.
3025 (gen_subroutine_type_die): Likewise.
3026 (gen_typedef_die): Likewise.
3027 (force_type_die): Adjust call to modified_type_die.
3029 2016-01-19 Sandra Loosemore <sandra@codesourcery.com>
3031 * doc/standards.texi: Copy-editing for grammar, markup, and sentence
3032 flow throughout the file. Fix broken link to Objective-C 2.0
3034 * doc/invoke.texi: More copy-editing; fix numerous typos and spelling
3037 2016-01-19 Wilco Dijkstra <wdijkstr@arm.com>
3039 * ccmp.c (expand_ccmp_expr_1): Avoid spurious unused warnings.
3041 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
3044 * ipa-devirt.c (is_cxa_pure_virtual_p): New function.
3045 (maybe_record_node): Record cxa_pure_virtual as the only possible
3046 target if there are not ohter candidates.
3047 (possible_polymorphic_call_target_p): Accept cxa_pure_virtual.
3049 2016-01-19 Richard Biener <rguenther@suse.de>
3051 * hsa-gen.c (get_memory_order_name): Use MEMMODEL_ constants.
3052 (get_memory_order): Likewise.
3054 2016-01-19 Kirill Yukhin <kirill.yukhin@intel.com>
3056 * tree-vect-stmts.c (vectorizable_store): Check
3059 2016-01-19 David Malcolm <dmalcolm@redhat.com>
3062 * gcc.c (driver::decode_argv): Add call to
3063 init_opts_obstack before init_options_struct.
3064 * opts.c (init_opts_obstack): Remove idempotency.
3065 (init_options_struct): Replace call to init_opts_obstack
3066 with a gcc_assert to verify that it has already been called.
3067 * toplev.c (toplev::main): Add call to init_opts_obstack before
3068 calls to init_options_struct.
3069 (toplev::finalize): Move cleanup of opts_obstack next to
3070 cleanup of save_decoded_options, clearing the latter, and
3071 save_decoded_options_count.
3073 2016-01-19 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
3076 * config/arm/vfp.md (l<vrint_pattern><su_optab><mode>si2): Set "conds"
3077 attribute to unconditional. Remove %? from output template.
3079 2015-01-19 Wilco Dijkstra <wdijkstr@arm.com>
3080 Jiong Wang <jiong.wang@arm.com>
3082 * ccmp.c (expand_ccmp_expr_1): Cost the instruction sequences
3083 generated from different expand order.
3085 2015-01-19 Wilco Dijkstra <wdijkstr@arm.com>
3087 * /config/aarch64/aarch64.c (aarch64_if_then_else_costs):
3088 Add support for CCMP costing.
3090 2015-01-19 Wilco Dijkstra <wdijkstr@arm.com>
3092 * ccmp.c (ccmp_candidate_p): Remove integer-only restriction.
3093 * config/aarch64/aarch64.md (fccmp<mode>): New pattern.
3094 (fccmpe<mode>): Likewise.
3095 (fcmp): Rename to fcmp and globalize pattern.
3097 * config/aarch64/aarch64.c (aarch64_gen_ccmp_first): Add FP support.
3098 (aarch64_gen_ccmp_next): Add FP support.
3100 2015-01-19 Wilco Dijkstra <wdijkstr@arm.com>
3102 * target.def (gen_ccmp_first): Update documentation.
3103 (gen_ccmp_next): Likewise.
3104 * doc/tm.texi (gen_ccmp_first): Update documentation.
3105 (gen_ccmp_next): Likewise.
3106 * ccmp.c (expand_ccmp_expr): Extract cmp_code from return value of
3107 expand_ccmp_expr_1. Improve comments.
3108 * config/aarch64/aarch64.md (ccmp_and): Use if_then_else for ccmp.
3109 (ccmp_ior<mode>): Remove pattern.
3110 (cmp<mode>): Remove expand.
3111 (cmp): Globalize pattern.
3112 (cstorecc4): Use cc_register.
3113 (mov<mode>cc): Remove ccmp_cc_register check.
3114 * config/aarch64/aarch64.c (aarch64_get_condition_code_1):
3115 Simplify after removal of CC_DNE/* modes.
3116 (aarch64_ccmp_mode_to_code): Remove.
3117 (aarch64_print_operand): Remove 'K' case. Merge 'm' and 'M' cases.
3118 In 'k' case use integer as condition.
3119 (aarch64_nzcv_codes): Remove inverted cases.
3120 (aarch64_code_to_ccmode): Remove.
3121 (aarch64_gen_ccmp_first): Use cmp pattern directly. Return the correct
3122 comparison with CC register to be used in folowing CCMP/branch/CSEL.
3123 (aarch64_gen_ccmp_next): Use previous comparison and mode in CCMP
3124 pattern. Return the comparison with CC register. Invert conditions
3126 * config/aarch64/aarch64-modes.def: Remove CC_DNE/* modes.
3127 * config/aarch64/predicates.md (ccmp_cc_register): Remove.
3129 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
3131 * cgraphunit.c (cgraph_node::reset): Clear thunk info and
3132 instrumented_version.
3134 2016-01-19 Richard Biener <rguenther@suse.de>
3136 PR tree-optimization/69336
3137 * tree-ssa-scopedtables.c (avail_expr_hash): Handle all
3138 handled components with get_ref_base_and_extent.
3139 (equal_mem_array_ref_p): Adjust.
3141 2016-01-19 Jakub Jelinek <jakub@redhat.com>
3144 * shrink-wrap.c: Include valtrack.h.
3145 (move_insn_for_shrink_wrap): Add DEBUG argument. If
3146 MAY_HAVE_DEBUG_INSNS, call dead_debug_add on DEBUG_INSNs
3147 in between insn and where it will be moved to. Call
3148 dead_debug_insert_temp.
3149 (prepare_shrink_wrap): Adjust caller. Call dead_debug_local_init
3150 first and dead_debug_local_finish at the end.
3151 For uses and defs bitmap, handle all regs in between REGNO and
3152 END_REGNO, not just the first one.
3154 2016-01-19 Richard Biener <rguenther@suse.de>
3156 PR tree-optimization/69352
3157 * tree-ssa-scopedtables.c (avail_expr_hash): Check for size == -1.
3158 (equal_mem_array_ref_p): Constrain size and max size properly.
3159 Compare the reverse flag.
3161 2016-01-19 Bernd Schmidt <bschmidt@redhat.com>
3163 * ira.c (ira): Update regstat data if we deleted insns.
3165 2016-01-19 Jakub Jelinek <jakub@redhat.com>
3167 PR rtl-optimization/68955
3168 PR rtl-optimization/64557
3169 * dse.c (record_store, check_mem_read_rtx): Don't call get_addr
3170 here. Fix up formatting.
3171 * alias.c (get_addr): Handle VALUE +/- CONST_SCALAR_INT_P.
3173 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
3176 * cgraphunit.c (cgraph_node::expand_thunk): When forcing gimple
3177 assume that the node has body.
3178 * cgraph.c (cgraph_node::get_untransformed_body): Use gimple_body_p
3181 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
3183 * lto-streamer-out.c (lto_output): Do not stream instrumentation
3186 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
3188 * symtab.c (symtab_node::asm_name): Do not call printable name directly.
3189 (symtab_node::name): Report name as unnamed if DECL_NAME is not set.
3191 2016-01-19 Martin Jambor <mjambor@suse.cz>
3192 Martin Liska <mliska@suse.cz>
3193 Michael Matz <matz@suse.de>
3195 * Makefile.in (OBJS): Add new source files.
3196 (GTFILES): Add hsa.c.
3197 * common.opt (disable_hsa): New variable.
3198 (-Whsa): New warning.
3199 * config.in (ENABLE_HSA): New.
3200 * configure.ac: Treat hsa differently from other accelerators.
3201 (OFFLOAD_TARGETS): Define ENABLE_OFFLOADING according to
3203 (ENABLE_HSA): Define ENABLE_HSA according to $enable_hsa.
3204 * doc/install.texi (Configuration): Document --with-hsa-runtime,
3205 --with-hsa-runtime-include, --with-hsa-runtime-lib and
3207 * doc/invoke.texi (-Whsa): Document.
3208 (hsa-gen-debug-stores): Likewise.
3209 * lto-wrapper.c (compile_images_for_offload_targets): Do not attempt
3210 to invoke offload compiler for hsa acclerator.
3211 * opts.c (common_handle_option): Determine whether HSA offloading
3212 should be performed.
3213 * params.def (PARAM_HSA_GEN_DEBUG_STORES): New parameter.
3214 * builtin-types.def (BT_FN_VOID_UINT_PTR_INT_PTR): New.
3215 (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_INT_INT): Removed.
3216 (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_PTR): New.
3217 * gimple-low.c (lower_stmt): Also handle GIMPLE_OMP_GRID_BODY.
3218 * gimple-pretty-print.c (dump_gimple_omp_for): Also handle
3219 GF_OMP_FOR_KIND_GRID_LOOP.
3220 (dump_gimple_omp_block): Also handle GIMPLE_OMP_GRID_BODY.
3221 (pp_gimple_stmt_1): Likewise.
3222 * gimple-walk.c (walk_gimple_stmt): Likewise.
3223 * gimple.c (gimple_build_omp_grid_body): New function.
3224 (gimple_copy): Also handle GIMPLE_OMP_GRID_BODY.
3225 * gimple.def (GIMPLE_OMP_GRID_BODY): New.
3226 * gimple.h (enum gf_mask): Added GF_OMP_PARALLEL_GRID_PHONY,
3227 GF_OMP_FOR_KIND_GRID_LOOP, GF_OMP_FOR_GRID_PHONY and
3228 GF_OMP_TEAMS_GRID_PHONY.
3229 (gimple_statement_omp_single_layout): Updated comments.
3230 (gimple_build_omp_grid_body): New function.
3231 (gimple_has_substatements): Also handle GIMPLE_OMP_GRID_BODY.
3232 (gimple_omp_for_grid_phony): New function.
3233 (gimple_omp_for_set_grid_phony): Likewise.
3234 (gimple_omp_parallel_grid_phony): Likewise.
3235 (gimple_omp_parallel_set_grid_phony): Likewise.
3236 (gimple_omp_teams_grid_phony): Likewise.
3237 (gimple_omp_teams_set_grid_phony): Likewise.
3238 (gimple_return_set_retbnd): Also handle GIMPLE_OMP_GRID_BODY.
3239 * omp-builtins.def (BUILT_IN_GOMP_OFFLOAD_REGISTER): New.
3240 (BUILT_IN_GOMP_OFFLOAD_UNREGISTER): Likewise.
3241 (BUILT_IN_GOMP_TARGET): Updated type.
3242 * omp-low.c: Include symbol-summary.h, hsa.h and params.h.
3243 (adjust_for_condition): New function.
3244 (get_omp_for_step_from_incr): Likewise.
3245 (extract_omp_for_data): Moved parts to adjust_for_condition and
3246 get_omp_for_step_from_incr.
3247 (build_outer_var_ref): Handle GIMPLE_OMP_GRID_BODY.
3248 (fixup_child_record_type): Bail out if receiver_decl is NULL.
3249 (scan_sharing_clauses): Handle OMP_CLAUSE__GRIDDIM_.
3250 (scan_omp_parallel): Do not create child functions for phony
3252 (check_omp_nesting_restrictions): Handle GIMPLE_OMP_GRID_BODY.
3253 (scan_omp_1_op): Checking assert we are not remapping to
3254 ERROR_MARK. Also also handle GIMPLE_OMP_GRID_BODY.
3255 (parallel_needs_hsa_kernel_p): New function.
3256 (expand_parallel_call): Register apprpriate parallel child
3257 functions as HSA kernels.
3258 (grid_launch_attributes_trees): New type.
3259 (grid_attr_trees): New variable.
3260 (grid_create_kernel_launch_attr_types): New function.
3261 (grid_insert_store_range_dim): Likewise.
3262 (grid_get_kernel_launch_attributes): Likewise.
3263 (get_target_argument_identifier_1): Likewise.
3264 (get_target_argument_identifier): Likewise.
3265 (get_target_argument_value): Likewise.
3266 (push_target_argument_according_to_value): Likewise.
3267 (get_target_arguments): Likewise.
3268 (expand_omp_target): Call get_target_arguments instead of looking
3269 up for teams and thread limit.
3270 (grid_expand_omp_for_loop): New function.
3271 (grid_arg_decl_map): New type.
3272 (grid_remap_kernel_arg_accesses): New function.
3273 (grid_expand_target_kernel_body): New function.
3274 (expand_omp): Call it.
3275 (lower_omp_for): Do not emit phony constructs.
3276 (lower_omp_taskreg): Do not emit phony constructs but create for them
3277 a temporary variable receiver_decl.
3278 (lower_omp_taskreg): Do not emit phony constructs.
3279 (lower_omp_teams): Likewise.
3280 (lower_omp_grid_body): New function.
3281 (lower_omp_1): Call it.
3282 (grid_reg_assignment_to_local_var_p): New function.
3283 (grid_seq_only_contains_local_assignments): Likewise.
3284 (grid_find_single_omp_among_assignments_1): Likewise.
3285 (grid_find_single_omp_among_assignments): Likewise.
3286 (grid_find_ungridifiable_statement): Likewise.
3287 (grid_target_follows_gridifiable_pattern): Likewise.
3288 (grid_remap_prebody_decls): Likewise.
3289 (grid_copy_leading_local_assignments): Likewise.
3290 (grid_process_kernel_body_copy): Likewise.
3291 (grid_attempt_target_gridification): Likewise.
3292 (grid_gridify_all_targets_stmt): Likewise.
3293 (grid_gridify_all_targets): Likewise.
3294 (execute_lower_omp): Call grid_gridify_all_targets.
3295 (make_gimple_omp_edges): Handle GIMPLE_OMP_GRID_BODY.
3296 * tree-core.h (omp_clause_code): Added OMP_CLAUSE__GRIDDIM_.
3297 (tree_omp_clause): Added union field dimension.
3298 * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE__GRIDDIM_.
3299 * tree.c (omp_clause_num_ops): Added number of arguments of
3300 OMP_CLAUSE__GRIDDIM_.
3301 (omp_clause_code_name): Added name of OMP_CLAUSE__GRIDDIM_.
3302 (walk_tree_1): Handle OMP_CLAUSE__GRIDDIM_.
3303 * tree.h (OMP_CLAUSE_GRIDDIM_DIMENSION): New.
3304 (OMP_CLAUSE_SET_GRIDDIM_DIMENSION): Likewise.
3305 (OMP_CLAUSE_GRIDDIM_SIZE): Likewise.
3306 (OMP_CLAUSE_GRIDDIM_GROUP): Likewise.
3307 * passes.def: Schedule pass_ipa_hsa and pass_gen_hsail.
3308 * tree-pass.h (make_pass_gen_hsail): Declare.
3309 (make_pass_ipa_hsa): Likewise.
3310 * ipa-hsa.c: New file.
3311 * lto-section-in.c (lto_section_name): Add hsa section name.
3312 * lto-streamer.h (lto_section_type): Add hsa section.
3313 * timevar.def (TV_IPA_HSA): New.
3314 * hsa-brig-format.h: New file.
3315 * hsa-brig.c: New file.
3316 * hsa-dump.c: Likewise.
3317 * hsa-gen.c: Likewise.
3320 * toplev.c (compile_file): Call hsa_output_brig.
3321 * hsa-regalloc.c: New file.
3323 2016-01-18 Jeff Law <law@redhat.com>
3325 PR tree-optimization/69320
3326 * tree-ssa-dom.c (record_edge_info): For comparisons against a boolean
3327 ranged object, do nothing if the RHS constant is not [0..1].
3328 (optimize_stmt): Comparing a boolean ranged object against a
3329 constant outside [0..1] results in a compile-time constant.
3331 * tree-ssanames.c (ssa_name_has_boolean_range): Remove unnecessary
3334 2016-01-18 Sandra Loosemore <sandra@codesourcery.com>
3336 * doc/invoke.texi (Invoking GCC): Add new section to menu.
3337 (Option Summary): Update to reflect new section and moved options.
3338 (C++ Dialect Options): Move -fstats to new section.
3339 (Debugging Options): Move all dump, statistics, and other GCC
3340 developer options to new section. Rewrite section introduction
3341 and re-order remaining options to put the more basic ones first.
3342 (Optimization Options): Move -fira-verbose and -flto-report* to
3344 (Developer Options): New section incorporating moved options.
3345 * doc/cppopts.texi (-dM): Update cross-reference.
3347 2016-01-18 Richard Henderson <rth@redhat.com>
3350 * config/aarch64/aarch64.md (add<GPI>3): Move long immediate
3351 operands to pseudo only if CSE is expected. Split long immediate
3352 operands only after reload, and for the stack pointer.
3353 (*add<GPI>3_pluslong): Remove.
3354 (*addsi3_aarch64, *adddi3_aarch64): Merge into...
3355 (*add<GPI>3_aarch64): ... here. Add r/rk/Upl alternative.
3356 (*addsi3_aarch64_uxtw): Add r/rk/Upl alternative.
3357 (*add<GPI>3 peepholes): New.
3358 (*add<GPI>3 splitters): New.
3359 * config/aarch64/constraints.md (Upl): New.
3360 * config/aarch64/predicates.md (aarch64_pluslong_strict_immedate): New.
3362 2016-01-18 Richard Biener <rguenther@suse.de>
3364 PR tree-optimization/69297
3365 * tree-vect-slp.c (vect_bb_slp_scalar_cost): Count each scalar
3367 (vect_bb_vectorization_profitable_p): Clear visited flag again.
3369 2016-01-18 Yuri Rumyantsev <ysrumyan@gmail.com>
3372 * fold-const.c (fold_binary_op_with_conditional_arg): Bail out for case
3373 of mixind vector and scalar types.
3374 (fold_relational_const): Add handling of vector
3375 comparison with boolean result.
3376 * tree-cfg.c (verify_gimple_comparison): Add argument CODE, allow
3377 comparison of vector operands with boolean result for EQ/NE only.
3378 (verify_gimple_assign_binary): Adjust call for verify_gimple_comparison.
3379 (verify_gimple_cond): Likewise.
3380 * tree-vrp.c (extract_code_and_val_from_cond_with_ops): Modify check on
3383 2016-01-18 Joseph Myers <joseph@codesourcery.com>
3385 * config/mips/mips.h (ISA_HAS_PAIRED_SINGLE): Require
3388 2016-01-18 Richard Biener <rguenther@suse.de>
3391 * gimple.c (gimple_could_trap_p_1): Handle GIMPLE_COND.
3393 2016-01-18 Tom de Vries <tom@codesourcery.com>
3395 * passes.def: Add pass_parallelize_loops to pass_oacc_kernels.
3397 2016-01-18 Tom de Vries <tom@codesourcery.com>
3399 * omp-low.c (set_oacc_fn_attrib): Make extern.
3400 * omp-low.h (set_oacc_fn_attrib): Declare.
3401 * tree-parloops.c (struct reduction_info): Add reduc_addr field.
3402 (create_call_for_reduction_1): Handle case that reduc_addr is non-NULL.
3403 (create_parallel_loop, gen_parallel_loop, try_create_reduction_list):
3404 Add and handle function parameter oacc_kernels_p.
3405 (find_reduc_addr, get_omp_data_i_param): New function.
3406 (ref_conflicts_with_region, oacc_entry_exit_ok_1)
3407 (oacc_entry_exit_single_gang, oacc_entry_exit_ok): New function.
3408 (parallelize_loops): Add and handle function parameter oacc_kernels_p.
3409 Calculate dominance info. Skip loops that are not in a kernels region
3410 in oacc_kernels_p mode. Skip inner loops of parallelized loops.
3411 (pass_parallelize_loops::execute): Call parallelize_loops with
3412 oacc_kernels_p argument.
3413 (pass_parallelize_loops::clone, pass_parallelize_loops::set_pass_param):
3414 New member function.
3415 (pass_parallelize_loops::bool oacc_kernels_p): New member var.
3416 * passes.def: Add argument to pass_parallelize_loops instantation.
3418 2016-01-18 Tom de Vries <tom@codesourcery.com>
3420 * tree-parloops.c (pass_parallelize_loops::execute): Allow
3421 pass_parallelize_loops to be run outside the loop pipeline.
3423 2016-01-18 Alan Lawrence <alan.lawrence@arm.com>
3425 * tree-scalar-evolution.c (follow_copies_to_constant): New.
3426 (analyze_initial_condition, analyze_scalar_evolution_1): Call previous.
3428 2016-01-18 Alan Lawrence <alan.lawrence@arm.com>
3431 * tree-ssa-scopedtables.c (avail_expr_hash): Hash MEM_REF and ARRAY_REF
3432 using get_ref_base_and_extent.
3433 (equal_mem_array_ref_p): New.
3434 (hashable_expr_equal_p): Add call to previous.
3436 2016-01-18 Alan Lawrence <alan.lawrence@arm.com>
3439 * tree-sra.c (disqualified_constants, constant_decl_p): New.
3440 (sra_initialize): Allocate disqualified_constants.
3441 (sra_deinitialize): Free disqualified_constants.
3442 (disqualify_candidate): Update disqualified_constants when appropriate.
3443 (create_access): Scan for constant-pool entries as we go along.
3444 (scalarizable_type_p): Add check against type_contains_placeholder_p.
3445 (maybe_add_sra_candidate): Allow constant-pool entries.
3446 (load_assign_lhs_subreplacements): Bind debug for constant pool vars.
3447 (initialize_constant_pool_replacements): New.
3448 (sra_modify_assign): Avoid mangling assignments created by previous,
3449 and don't generate writes into constant pool.
3450 (sra_modify_function_body): Call initialize_constant_pool_replacements.
3452 2016-01-18 Ilya Enkovich <enkovich.gnu@gmail.com>
3454 * config/i386/i386.c (scalar_to_vector_candidate_p): Support
3456 (scalar_chain::convert_op): Likewise.
3457 * config/i386/i386.md (*andndi3_doubleword): New.
3459 2016-01-18 Richard Biener <rguenther@suse.de>
3461 PR tree-optimization/69170
3462 * tree-vect-slp.c (vect_build_slp_tree): Verify we are not
3463 building a vector from scalar results of a pattern stmt.
3465 2016-01-18 Jakub Jelinek <jakub@redhat.com>
3467 * haifa-sched.c (autopref_multipass_init): Work around
3468 -Wmaybe-uninitialized warning.
3470 2016-01-18 Thomas Preud'homme <thomas.preudhomme@arm.com>
3472 * config/arm/arm.c (thumb1_reorg): Check that the comparison is
3473 against the constant 0.
3475 2016-01-17 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
3477 PR tree-optimization/68799
3478 * gimple-ssa-strength-reduction.c (create_phi_basis): Directly
3479 look up phi candidates in the statement-candidate map.
3480 (phi_add_costs): Likewise.
3481 (record_phi_increments): Likewise.
3482 (phi_incr_cost): Likewise.
3483 (ncd_with_phi): Likewise.
3484 (all_phi_incrs_profitable): Likewise.
3486 2016-01-17 Jakub Jelinek <jakub@redhat.com>
3488 * omp-low.c (mark_loops_in_oacc_kernels_region): Work around
3489 -Wmaybe-uninitialized warning.
3491 2016-01-16 Sandra Loosemore <sandra@codesourcery.com>
3493 * doc/invoke.texi (Invoking GCC): Add new section to menu.
3494 (Option Summary): Update to reflect new section and moved options.
3495 (C++ Dialect Options): Move -fvtable-verify and related options.
3496 (Debugging Options): Move Sanitizer, Pointer Bounds Checker,
3497 and profiling-related options.
3498 (Optimization Options): Move profile generation options and
3499 -fstack-protector and related options.
3500 (Instrumentation Options): New section incorporating moved options.
3501 (Code Generation Options): Move -finstrument-functions and
3502 related options, -fstack-check, -fstack-limit*, and -fbounds-check.
3504 2016-01-16 Tom de Vries <tom@codesourcery.com>
3506 * passes.def: Move pass_expand_omp_ssa out of pass_parallelize_loops.
3508 2016-01-16 Tom de Vries <tom@codesourcery.com>
3510 * omp-low.c (expand_omp_atomic_fetch_op): Release defs of update stmt.
3512 2016-01-16 Richard Sandiford <richard.sandiford@arm.com>
3514 * hash-table.h (hash_table::empty): Turn into an inline wrapper
3515 that checks whether the table is already empty. Rename the
3516 original implementation to...
3517 (hash_table::empty_slot): ...this new private function.
3519 2016-01-15 David Malcolm <dmalcolm@redhat.com>
3522 * diagnostic-show-locus.c (layout::print_source_line): Move x
3523 offset of line until after call to
3524 get_line_width_without_trailing_whitespace.
3526 2016-01-15 Jeff Law <law@redhat.com>
3528 PR tree-optimization/69270
3529 * tree-ssanames.c (ssa_name_has_boolean_range): Moved here from
3530 tree-ssa-dom.c. Improve test for [0..1] ranve from VRP.
3531 * tree-ssa-dom.c (ssa_name_has_boolean_range): Remove.
3532 * tree-ssanames.h (ssa_name_has_boolean_range): Prototype.
3533 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
3534 ssa_name_has_boolean_range and constant_boolean_node.
3536 2016-01-15 Vladimir Makarov <vmakarov@redhat.com>
3538 PR rtl-optimization/69030
3539 * lra-spills.c (remove_pseudos): Check nrefs and make the function
3541 (spill_pseudos): Delete debug insn for dead pseudo.
3542 (lra_spill): Initiate spill_hard_reg and slots memory separately.
3544 2016-01-15 Jiong Wang <jiong.wang@arm.com>
3546 * config/aarch64/aarch64-builtins.c (aarch64_types_unopus_qualifiers):
3548 (TYPES_UNOPUS): Likewise.
3549 * config/aarch64/aarch64-simd-builtins.def (lbtruncuv2sf): Correct
3550 builtin type, from UNOP to UNOPUS.
3551 (lbtruncuv4sf): Likewise.
3552 (lbtruncuv2df): Likewise.
3553 (lrounduv2sf): Likewise.
3554 (lrounduv4sf): Likewise.
3555 (lrounduv2df): Likewise.
3556 (lroundusf): Likewise.
3557 (lroundusf): Likewise.
3558 (lceiluv2sf): Likewise.
3559 (lceiluv4sf): Likewise.
3560 (lceiluv2df): Likewise.
3561 (lceilusf): Likewise.
3562 (lceiludf): Likewise.
3563 (lflooruv2sf): Likewise.
3564 (lflooruv4sf): Likewise.
3565 (lflooruv2df): Likewise.
3566 (lfloorusf): Likewise.
3567 (lfloorudf): Likewise.
3568 (lfrintnuv2sf): Likewise.
3569 (lfrintnuv4sf): Likewise.
3570 (lfrintnuv2df): Likewise.
3571 (lfrintnusf): Likewise.
3572 (lfrintnudf): Likewise.
3573 * config/aarch64/arm_neon.h (vcvt_u32_f32): Remove unncessary type
3575 (vcvtq_u32_f32): Likewise.
3576 (vcvtq_u64_f64): Likewise.
3577 (vcvta_u32_f32): Likewise.
3578 (vcvtaq_u32_f32): Likewise.
3579 (vcvtaq_u64_f64): Likewise.
3580 (vcvtm_u32_f32): Likewise.
3581 (vcvtmq_u32_f32): Likewise.
3582 (vcvtmq_u64_f64): Likewise.
3583 (vcvtn_u32_f32): Likwise.
3584 (vcvtnq_u32_f32): Likewise.
3585 (vcvtnq_u64_f64): Likewise.
3586 (vcvtp_u32_f32): Likewise.
3587 (vcvtpq_u32_f32): Likewise.
3588 (vcvtpq_u64_f64): Likewise.
3589 (vcvtmd_u64_f64): Likewise.
3590 (vcvtms_u32_f32): Likewise.
3591 (vcvtad_u64_f64): Likewise.
3592 (vcvtas_u32_f32): Likewise.
3593 (vcvtnd_u64_f64): Likewise.
3594 (vcvtns_u32_f32): Likewise.
3595 (vcvtpd_u64_f64): Likewise.
3596 (vcvtps_u32_f32): Likewise.
3598 2016-01-15 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
3600 * config/aarch64/aarch64.c (aarch64_if_then_else_costs): Handle
3601 CSEL of zero_extended registers.
3603 2016-01-15 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
3605 * config/aarch64/aarch64.c (aarch64_rtx_costs, COMPARE case):
3606 Handle COMPARE of ZERO_EXTRACT against zero form of TST-immediate.
3608 2016-01-15 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
3610 * config/aarch64/aarch64.c (aarch64_process_one_target_attr): Return
3611 false when argument string is not found in the attributes table
3614 2016-01-15 David Edelsohn <dje.gcc@gmail.com>
3617 * config/rs6000/rs6000.c (rs6000_emit_msub): Delete.
3618 (rs6000_emit_swsqrt): Convert to Goldschmidt's Algorithm
3619 * config/rs6000/rs6000.md (sqrt<mode>2): Limit swsqrt to high
3622 2016-01-15 Richard Biener <rguenther@suse.de>
3624 PR tree-optimization/66856
3625 * tree-vect-loop.c (vect_transform_loop): Free SLP instances here.
3626 * tree-vect-slp.c (vect_free_slp_tree): Decrement stmt reference count.
3627 (vect_create_new_slp_node): Increment stmt reference count.
3628 (vect_get_and_check_slp_defs): Make sure stmts are nor already in
3629 an SLP tree before swapping operands.
3630 (vect_build_slp_tree): Likewise.
3631 (destroy_bb_vec_info): Free stmt info after SLP instances.
3632 * tree-vect-stmts.c (new_stmt_vec_info): Initialize reference count.
3633 * tree-vectorizer.h (struct _stmt_vec_info): Add num_slp_uses field.
3634 (STMT_VINFO_NUM_SLP_USES): New macro.
3636 2016-01-15 Richard Biener <rguenther@suse.de>
3639 * dwarf2out.c (add_linkage_name_raw): New function split out from ...
3640 (add_linkage_name): ... here.
3641 (gen_typedef_die): Use add_linkage_name_raw instead of
3642 add_linkage_attr to delay DECL_ASSEMBLER_NAME computation
3645 2016-01-15 Cesar Philippidis <cesar@codesourcery.com>
3647 * gimplify.c (oacc_default_clause): Decode reference and pointer
3648 types for both kernels and parallel regions.
3650 2016-01-15 Richard Sandiford <richard.sandiford@arm.com>
3653 * calls.c (emit_call_1): Force n_popped to zero for sibcalls.
3655 2016-01-15 Ilya Enkovich <enkovich.gnu@gmail.com>
3657 * config/i386/i386.c (scalar_chain::compute_convert_gain): Fix typo.
3658 (convert_scalars_to_vector): Likewise.
3660 2016-01-15 Jonathan Wakely <jwakely@redhat.com>
3662 * doc/extend.texi (Type Traits): Fix grammar.
3664 2016-01-15 Martin Jambor <mjambor@suse.cz>
3666 * tree-inline.c (remap_decl): Use existing dclarations if
3667 remapping a type and prevent_decl_creation_for_types.
3668 (replace_locals_stmt): Do an initial remapping of non-VLA typed
3669 decls first. Do real remapping with
3670 prevent_decl_creation_for_types set.
3671 * tree-inline.h (copy_body_data): New field
3672 prevent_decl_creation_for_types, moved remap_var_for_cilk to avoid
3675 2016-01-15 Dominik Vogt <vogt@linux.vnet.ibm.com>
3677 * config/s390/s390.opt (mmvcle): More verbose help text.
3679 2016-01-15 Dominik Vogt <vogt@linux.vnet.ibm.com>
3681 * config/s390/s390.opt: Add period to -mzvector option text.
3683 2016-01-15 Richard Biener <rguenther@suse.de>
3685 PR tree-optimization/68961
3686 * tree-vect-slp.c (vect_analyze_slp_cost_1): Consider cost
3687 of invariants in stores again.
3689 2016-01-15 Sebastian Huber <sebastian.huber@embedded-brains.de>
3691 * config/arm/t-rtems: Add cortex-m7/fpv5-d16 multilib.
3693 2016-01-15 Ilya Enkovich <enkovich.gnu@gmail.com>
3695 * config/i386/i386.c (ix86_expand_branch): Don't split
3696 DI mode xor instruction to SI mode.
3698 2016-01-15 Jan Hubicka <hubicka@ucw.cz>
3701 * ipa-icf.c (sem_function::merge): Virtual functions may become
3702 reachable even if they address is not taken and there are no
3705 2016-01-15 Jan Hubicka <hubicka@ucw.cz>
3707 * lto-streamer-out.c (subtract_estimated_size): New function.
3708 (get_symbol_initial_value): Use it.
3710 2016-01-15 Christian Bruel <christian.bruel@st.com>
3713 * config/arm/arm-builtins.c (ARM_BUILTIN_CRYPTO_BASE): New enum tag.
3714 (arm_init_neon_builtins_internal): Rename arm_init_neon_builtins,
3715 (arm_init_crypto_builtins_internal): Rename arm_init_crypto_builtins.
3716 use add_builtin_function_ext_scope instead of add_builtin_function.
3717 (neon_set_p, neon_crypto_set_p): Remove.
3718 (arm_init_builtins): Always call arm_init_neon_builtins and
3719 arm_init_crypto_builtins.
3720 (arm_expand_builtin): Check that builtins are allowed for the arch.
3721 * config/arm/arm-protos.h (arm_init_neon_builtins): Remove prototype.
3722 * config/arm/arm.c (arm_valid_target_attribute_tree): Remove
3723 arm_init_neon_builtins call.
3725 2016-01-15 Richard Biener <rguenther@suse.de>
3727 PR tree-optimization/69117
3728 * tree-ssa-sccvn.h (struct vn_ssa_aux): Add info member.
3729 * tree-ssa-sccvn.c (set_ssa_val_to): Save and adjust SSA name info
3730 of the leader conservatively.
3731 (free_scc_vn): Restore original SSA name infos.
3733 2016-01-14 Jeff Law <law@redhat.com>
3735 PR tree-optimization/69270
3736 * tree-ssa-dom.c (ssa_name_has_boolean_range): If the type has a
3737 single bit of precision, verify it's also unsigned.
3738 (record_edge_info): Use constant_boolean_node rather than fold_convert
3739 to convert boolean_true/boolean_false to the right type.
3741 2016-01-14 Richard Henderson <rth@redhat.com>
3744 * loop-doloop.c (record_reg_sets): New.
3745 (doloop_optimize): Reject the transform if the sequence
3746 clobbers registers live at the end of the loop block.
3747 (doloop_optimize_loops): Enable df_live if needed.
3749 2016-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
3751 * config/rs6000/rs6000-builtin.def: Revert 2016-01-13 change.
3752 * gcc/config/rs6000/rs6000.c: Likewise.
3753 * gcc/config/rs6000/rs6000.h: Likewise.
3754 * gcc/config/rs6000/rs6000.md: Likewise.
3755 * gcc/doc/extend.texi: Likewsie.
3757 2016-01-14 Jeff Law <law@redhat.com>
3759 * tree-ssa-dom.c (ssa_name_has_boolean_range): Fix comment
3762 2016-01-14 Richard Henderson <rth@redhat.com>
3766 * trans-mem.c (tm_log_emit_stmt): Fix unit size to bit size.
3767 * tree.c (build_tm_vector_builtins): Use builtin_decl_explicit_p
3768 instead of builtin_decl_declared_p to test for declaration.
3770 2016-01-14 Nicklas Bo Jensen <nbjensen@gmail.com>
3772 * doc/loop.texi (Loop Analysis and Representation): Document
3773 loop_depth function.
3775 2016-01-14 Tom de Vries <tom@codesourcery.com>
3777 PR tree-optimization/68773
3778 * omp-low.c (expand_omp_target): Don't set force_output.
3779 * varpool.c (varpool_node::get_create): Same.
3780 * lto-cgraph.c (input_offload_tables): Mark entries in offload_vars and
3781 offload_funcs with force_output.
3783 2016-01-14 Jakub Jelinek <jakub@redhat.com>
3786 * lra-eliminations.c (move_plus_up): Don't change anything if either
3787 the outer or inner subreg mode is not MODE_INT.
3788 * dwarf2out.c (mem_loc_descriptor): For SUBREG, if outer mode is
3789 integral <= DWARF2_ADDR_SIZE, convert to untyped afterwards.
3791 2016-01-14 Alan Lawrence <alan.lawrence@arm.com>
3793 * doc/md.texi (reduc_smin_@var{m}, reduc_smax_@var{m},
3794 reduc_umin_@var{m}, reduc_umax_@var{m}, reduc_splus_@var{m},
3795 reduc_uplus_@var{m}): Remove.
3796 * expr.c (expand_expr_real_2): Remove expansion path for
3797 reduc_[us](min|max|plus) optabs.
3798 * optabs-tree.c (scalar_reduc_to_vector): Remove.
3799 * optabs-tree.h (scalar_reduc_to_vector): Remove.
3800 * optabs.def (reduc_smax_optab, reduc_smin_optab, reduc_splus_optab,
3801 reduc_umax_optab, reduc_umin_optab, reduc_uplus_optab): Remove.
3802 * tree-vect-loop.c (vectorizable_reduction): Remove test for
3803 reduc_[us](min|max|plus) optabs.
3805 2016-01-14 Alan Lawrence <alan.lawrence@arm.com>
3807 * config/mips/mips-ps-3d.md (reduc_splus_v2sf): Remove.
3808 (reduc_plus_scal_v2sf): New.
3809 (reduc_smax_v2sf): Rename to...
3810 (reduc_smax_scal_v2sf): ...here, make result SFmode, add vec_extract.
3811 (reduc_smin_v2sf): Rename to...
3812 (reduc_smin_scal_v2sf): ...here, make result SFmode, add vec_extract.
3814 2016-01-14 Jan Hubicka <hubicka@ucw.cz>
3816 * alias.c (compare_base_symbol_refs): New function.
3817 (rtx_equal_for_memref_p, base_alias_check, memrefs_conflict_p): Use
3820 2016-01-14 Jakub Jelinek <jakub@redhat.com>
3823 PR tree-optimization/69155
3824 * tree-complex.c: Include cfganal.h.
3825 (phis_to_revisit): New variable.
3826 (extract_component): Add phiarg_p argument. Assert that returned
3827 SSA_NAME has non-NULL SSA_NAME_DEF_STMT unless phiarg_p is true.
3828 (update_phi_components): Partly rewrite to use loop over real/imag
3829 components instead of code duplication. If extract_component returns
3830 SSA_NAME with NULL SSA_NAME_DEF_STMT, store SSA_NAME_VAR or
3831 create_tmp_reg into the PHI node instead, and mention the phi triplet
3833 (tree_lower_complex): Walk bbs in rpo order. Adjust phis recorded
3834 in phis_to_revisit at the end.
3836 2016-01-14 Richard Biener <rguenther@suse.de>
3838 PR tree-optimization/68060
3839 * tree-vect-loop.c (vect_is_simple_reduction): Check the
3840 outer loop reduction is only used in the inner loop before
3841 detecting a double reduction.
3843 2016-01-14 Jakub Jelinek <jakub@redhat.com>
3846 * combine.c (expand_field_assignment): Punt if compute_mode is
3847 unsupported scalar mode.
3849 2016-01-14 Richard Biener <rguenther@suse.de>
3851 PR tree-optimization/66856
3852 * tree-vect-slp.c (vect_build_slp_tree): Refactor to build
3853 SLP node only if it built successfully.
3854 (vect_analyze_slp_instance): Adjust.
3856 2016-01-14 Jeff Law <law@redhat.com>
3858 PR tree-optimization/69270
3859 * tree-ssa-dom.c (ssa_name_has_boolean_range): New function.
3860 (record_edge_info): Use it. Convert boolean_{true,false}_node
3863 2016-01-13 Jan Hubicka <hubicka@ucw.cz>
3866 * ipa-polymorphic-call.c (inlined_polymorphic_ctor_dtor_block_p):
3867 use block_ultimate_origin
3868 (noncall-stmt_may_be_vtbl_ptr_store): Likewise.
3870 2016-01-13 Sandra Loosemore <sandra@codesourcery.com>
3872 * doc/invoke.texi (Submodel Options): Rename section to
3873 "Machine-Dependent Options" to better reflect its content.
3874 Rewrite introductory text to remove archaic CPU names.
3877 2016-01-13 Sandra Loosemore <sandra@codesourcery.com>
3879 * doc/invoke.texi (Code Gen Options): Move section up in file,
3880 before target-specific options. Update menu and option summary
3881 to reflect the new section ordering.
3883 2016-01-13 Jonathan Wakely <jwakely@redhat.com>
3885 * doc/invoke.texi (C Dialect Options): Adjust -std default for C++.
3886 (C++ Dialect Options): Add cross-reference to -std option.
3887 * doc/standards.texi (C++ Language): Document C++14 support.
3889 2016-01-13 Michael Meissner <meissner@linux.vnet.ibm.com>
3891 * config/rs6000/rs6000-builtin.def (BU_FLOAT128_2): Add support
3892 for pack/unpack functions for __ibm128.
3893 (PACK_IF): Likewise.
3894 (UNPACK_IF): Likewise.
3896 * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Add
3897 support for __ibm128 pack/unpack functions.
3898 (rs6000_invalid_builtin): Likewise.
3899 (rs6000_init_builtins): Likewise.
3900 (rs6000_opt_masks): Likewise.
3902 * config/rs6000/rs6000.h (MASK_FLOAT128): Add short name.
3903 (RS6000_BTM_FLOAT128): Add support for __ibm128 pack/unpack
3905 (RS6000_BTM_COMMON): Likewise.
3907 * config/rs6000/rs6000.md (f128_vsx): New mode attribute.
3908 (unpack<mode>): Use FMOVE128_FPR iterator instead of FMOVE128, to
3909 disallow __builtin_{pack,unpack}_longdouble if long double is IEEE
3910 128-bit floating point. Add support for the double values to be
3911 in Altivec registers for TF/IF packing and unpacking, but restrict
3912 TD packing sub-fields to be FPR registers. Don't allow overlapped
3913 register support for packing. Allow pack inputs to be memory
3914 locations. Don't build generator functions for unpack<mode>_dm
3915 and unpack<mode>_nodm.
3916 (unpack<mode>_dm): Likewise.
3917 (unpack<mode>_nodm): Likewise.
3918 (pack<mode>): Likewise.
3920 * config/rs6000/rs6000-builtin.def (__builtin_pack_ibm128): Add
3921 built-in functions to pack/unpack explicit __ibm128 values.
3922 (__builtin_unpack_ibm128): Likewise.
3924 * doc/extend.texi (PowerPC Built-in Functions): Document
3925 __builtin_pack_ibm128 and __builtin_unpack_ibm128.
3927 2016-01-13 Bernd Schmidt <bschmidt@redhat.com>
3930 * c-common.c (check_function_nonnull): Remove unnecessary declaration.
3931 Add new arg loc and pass it down as context.
3932 (check_nonnull_arg): Don't mark ctx arg as unused. Use it as a pointer
3933 to the location to use for the warning.
3934 (check_function_arguments): New arg loc. All callers changed. Pass
3935 it to check_function_nonnull.
3936 * c-common.h (check_function_arguments): Adjust declaration.
3938 2016-01-13 Jakub Jelinek <jakub@redhat.com>
3940 PR tree-optimization/69156
3941 * gimple.c (validate_type): Removed.
3942 (gimple_builtin_call_types_compatible_p): Use
3943 useless_type_conversion_p instead of validate_type.
3944 * value-prof.c (gimple_stringop_fixed_value): Fold
3945 icall_size to correct type.
3947 2016-01-13 Jonathan Wakely <jwakely@redhat.com>
3949 * doc/extend.texi (__atomic Builtins): Clarify compare_exchange
3952 2016-01-13 Richard Henderson <rth@redhat.com>
3955 * target.def (builtin_tm_load, builtin_tm_store): Remove.
3956 * config/i386/i386.c (ix86_builtin_tm_load): Remove.
3957 (ix86_builtin_tm_store): Remove.
3958 (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
3959 (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
3960 * doc/tm.texi.in (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
3961 (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
3962 * doc/tm.texi: Rebuild.
3964 * gtm-builtins.def (BUILT_IN_TM_MEMCPY_RNWT): New.
3965 (BUILT_IN_TM_MEMCPY_RTWN): New.
3966 * trans-mem.c (tm_log_emit_stmt): Rearrange code for better
3967 fallback from vector to integer helpers.
3968 (build_tm_load): Handle vector types directly, instead of
3970 (build_tm_store): Likewise.
3971 (expand_assign_tm): Prepare for register types not handled by
3972 the above. Copy them to memory and use memcpy.
3973 * tree.c (tm_define_builtin): New.
3974 (find_tm_vector_type): New.
3975 (build_tm_vector_builtins): New.
3976 (build_common_builtin_nodes): Call it.
3978 2016-01-13 Uros Bizjak <ubizjak@gmail.com>
3980 * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Return -1 for
3981 TARGET_SSE_MATH without TARGET_SSE2. Rewrite.
3983 2016-01-13 Tom de Vries <tom@codesourcery.com>
3985 PR tree-optimization/69169
3986 * tree-ssa-structalias.c (create_variable_info_for_1): Add and handle
3987 handled_struct_type param.
3988 (create_variable_info_for, intra_create_variable_infos): Call
3989 create_variable_info_for_1 with extra arg.
3991 2016-01-13 Yvan Roux <yvan.roux@linaro.org>
3993 * config/arm/arm-arches.def: Remove spurious whitespace in "armv8.1-a"
3994 and "armv8.1-a+crc" entries.
3996 2016-01-13 Alexander Fomin <alexander.fomin@intel.com>
3999 * config/i386/sse.md (define_expand "avx512pf_gatherpf<mode>sf"):
4000 Change first operand predicate from register_or_constm1_operand
4001 to register_operand.
4002 (define_expand "avx512pf_gatherpf<mode>df"): Likewise.
4003 (define_expand "avx512pf_scatterpf<mode>sf"): Likewise.
4004 (define_expand "avx512pf_scatterpf<mode>df"): Likewise.
4005 (define_insn "*avx512pf_gatherpf<mode>sf"): Remove.
4006 (define_insn "*avx512pf_gatherpf<mode>df"): Likewise.
4007 (define_insn "*avx512pf_scatterpf<mode>sf"): Likewise.
4008 (define_insn "*avx512pf_scatterpf<mode>df"): Likewise.
4009 * config/i386/i386.c (ix86_expand_builtin): Remove first operand
4010 comparison with constm1_rtx from vec_prefetch_gen part.
4012 2016-01-13 Richard Biener <rguenther@suse.de>
4014 PR tree-optimization/69013
4015 * tree-ssa-uninit.c (prune_uninit_phi_opnds_in_unrealizable_paths):
4016 Exchange assert for a test.
4018 2016-01-13 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
4021 * config/s390/s390.md (bswaphi splitter): Use simplify_gen_subreg.
4023 2016-01-13 Richard Biener <rguenther@suse.de>
4025 PR tree-optimization/69242
4026 * tree-ssa-sccvn.c (visit_reference_op_load): Replace bogus
4027 assert with a check.
4029 2016-01-13 Richard Biener <rguenther@suse.de>
4031 PR tree-optimization/69186
4032 * tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
4033 Properly guard vect_update_misalignment_for_peel call.
4035 2016-01-12 Jeff Law <law@redhat.com>
4037 PR tree-optimization/pr67755
4038 * tree-ssa-threadupdate.c (struct ssa_local_info_t): Add new field
4039 "need_profile_correction".
4040 (thread_block_1): Initialize new field to false by default. If we
4041 have multiple thread paths through a common joiner to different
4042 final targets, then set new field to true.
4043 (compute_path_counts): Only do count adjustment when it's really
4046 2016-01-12 Sandra Loosemore <sandra@codesourcery.com>
4048 * doc/invoke.texi (Spec Files): Move section down in file, past
4049 all command-line option descriptions.
4051 2016-01-12 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
4054 * doc/gty.texi: Remove documentation of mark_hook.
4055 * gengtype.c (struct write_types_data): Remove code to support
4056 mark_hook attribute.
4057 (walk_type): Likewise.
4058 (write_func_for_structure): Likewise.
4060 2016-01-12 Sandra Loosemore <sandra@codesourcery.com>
4062 * doc/invoke.texi (Option Summary) Move -no-canonical-prefixes to
4063 Directory Options, and -specs= to Overall Options.
4064 (Overall Options): Adjust similarly. Reorder to group related
4065 options together. Make -specs= cross-reference the spec file details.
4066 (Directory Options): Adjust similarly.
4068 2016-01-12 Jeff Law <law@redhat.com>
4070 * tree-ssa-threadupdate.c: Various whitespace and typo fixes.
4072 2016-01-12 Olivier Hainque <hainque@adacore.com>
4074 * gcc.c (spec_undefvar_allowed): New global.
4075 (process_command): Set to true when running for --version or --help,
4077 (getenv_spec_function): When the variable is not defined, use the
4078 variable name as the variable value if we're allowed not to issue
4081 2016-01-12 Bin Cheng <bin.cheng@arm.com>
4083 PR tree-optimization/68911
4084 * tree-vrp.c (adjust_range_with_scev): Check overflow in range
4085 information computed for expression "init + nit * step".
4087 2016-01-12 Sandra Loosemore <sandra@codesourcery.com>
4089 * doc/invoke.texi (Invoking GCC): Copy-edit. Incorporate information
4090 about name of GCC executable. Remove deleted node from menu.
4091 (Directory Options) <-B>: Remove cross-reference to deleted node.
4092 (Target Options): Delete section.
4094 2016-01-12 Christian Bruel <christian.bruel@st.com>
4097 * config/arm/arm-c.c (arm_pragma_target_parse): Set NODE_CONDITIONAL
4098 for __ARM_NEON_FP, __ARM_FP, _ARM_FEATURE_LDREX.
4100 2016-01-12 Jakub Jelinek <jakub@redhat.com>
4103 * config/i386/i386.c (ix86_expand_special_args_builtin): Ensure
4104 aligned_mem is properly set for AVX512-VL floating point masked
4108 * ifcvt.c (cond_exec_process_if_block): When removing the last
4109 insn from then_bb, remove also any possible barriers that follow it.
4111 2016-01-12 H.J. Lu <hongjiu.lu@intel.com>
4115 * config/i386/iamcu.h (SIZE_TYPE): New macro.
4116 (PTRDIFF_TYPE): Likewise.
4117 (WCHAR_TYPE): Likewise.
4118 (WCHAR_TYPE_SIZE): Likewise.
4119 (STDINT_LONG32): Likewise.
4121 2016-01-12 Richard Biener <rguenther@suse.de>
4123 PR tree-optimization/69053
4124 * tree-vect-loop.c (get_initial_def_for_reduction): Properly
4125 convert initial value for cond reductions.
4127 2016-01-12 Richard Biener <rguenther@suse.de>
4129 PR tree-optimization/69007
4130 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Move
4131 widen_sum after dot_prod and sad.
4133 2016-01-12 Richard Biener <rguenther@suse.de>
4135 PR tree-optimization/69168
4136 * tree-vect-loop.c (vect_analyze_loop_2): Reset both main and
4137 pattern stmt SLP type.
4138 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Patterns may
4139 end up unused so cope with that case.
4141 2016-01-12 Richard Biener <rguenther@suse.de>
4143 PR tree-optimization/69157
4144 * tree-vect-stmts.c (vectorizable_mask_load_store): Check
4145 stmts def type only during analyze phase.
4146 (vectorizable_call): Likewise.
4147 (vectorizable_simd_clone_call): Likewise.
4148 (vectorizable_conversion): Likewise.
4149 (vectorizable_assignment): Likewise.
4150 (vectorizable_shift): Likewise.
4151 (vectorizable_operation): Likewise.
4152 (vectorizable_store): Likewise.
4153 (vectorizable_load): Likewise.
4155 2016-01-12 Richard Biener <rguenther@suse.de>
4157 PR tree-optimization/69174
4158 * tree-vect-stmts.c (vect_mark_relevant): Remove excessive vertical
4160 (vectorizable_load): Properly compute the number of loads needed
4161 for permuted strided SLP loads and do not spuriously assign
4162 to SLP_TREE_VEC_STMTS.
4164 2016-01-12 Andris Pavenis <andris.pavenis@iki.fi>
4166 * config/i386/djgpp.h (PREFERRED_DEBUGGING_TYPE): Define to DWARF2
4167 (TARGET_ASM_OUTPUT_IDENT): Define to default_asm_output_ident_directive
4168 (MD_EXEC_PREFIX): Remove.
4169 (MD_STARTFILE_PREFIX) Removee.
4170 (FILE_NAME_ABSOLUTE_P): Remove.
4171 (CPP_SPEC): Do not read macros from sys/version.h.
4172 (LINK_COMMAND_SPEC): Remove.
4173 (LOCAL_INCLUDE_DIR): Remove.
4174 (TARGET_ASM_NAMED_SECTION): Define to i386_djgpp_asm_named_section
4175 (TARGET_OS_CPP_BUILTINS): Add DJGPP (non ISO only), __DJGPP, __DJGPP__, unix.
4176 (POST_LINK_SPEC): Define to invoke stubify after linker
4177 (LIBSTDCXX): Remove define
4178 (DBX_REGISTER_NUMBER): Define to svr4_dbx_register_map.
4179 (DEFAULT_PCC_STRUCT_RETURN): Define to 1.
4180 (SUBTARGET_OVERRIDE_OPTIONS): Remove warning about -mbnu2210.
4181 (SUBTARGET_OVERRIDE_OPTIONS): Ignore -fPIC and generate message.
4182 (SUBTARGET_OVERRIDE_OPTIONS): Default to DWARF2 debugging info.
4183 (IX86_MAYBE_NO_LIBGCC_TFMODE): Remove.
4184 (i386_djgpp_asm_named_section): Add propotype of new procedure
4186 * config/i386/xm-djgpp.h (NATIVE_SYSTEM_HEADER_DIR): Define.
4187 (MD_EXEC_PREFIX): Define (moved from config/i386/djgpp.h).
4188 (STANDARD_STARTFILE_PREFIX_1): Define (moved from MD_STARTFILE_PREFIX
4189 in config/i386/djgpp.h).
4190 (STANDARD_STARTFILE_PREFIX_2): Define identical to
4191 STANDARD_STARTFILE_PREFIX_1.
4192 (LOCAL_INCLUDE_DIR): Define (moved from config/i386/djgpp.h).
4193 (GCC_DRIVER_HOST_INITIALIZATION): Fix reporting fatal
4194 installation errors.
4195 (MAX_OFILE_ALIGNMENT): Define to 128.
4196 (HAVE_FTW_H): Undefine as DJGPP do not have nftw, but have ftw.h.
4198 * config/i386/djgpp.c: New file. Add implementation of
4199 i386_djgpp_asm_named_section.
4201 * config/i386/djgpp.opt: Remove obsolete option -mbnu210.
4203 * config/i386/t-djgpp: New file. Add djgpp.o to EXTRA_OBJS.
4204 Add rule for building djgpp.o.
4206 2016-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
4208 * config/rs6000/rs6000.c (v2df_reduction_p): New function.
4209 (rtx_is_swappable_p): Reductions are swappable.
4210 (insn_is_swappable_p): V2DF reductions are swappable.
4212 2016-01-11 John David Anglin <danglin@gcc.gnu.org>
4214 * config/pa/pa.c (pa_emit_move_sequence): Handle floating point
4215 reloads for other unsupported memory operands.
4217 2016-01-12 Kugan Vivekanandarajah <kuganv@linaro.org>
4218 Jim Wilson <jim.wilson@linaro.org>
4221 * config/arm/arm-builtins.c (arm_expand_neon_args): Call
4222 copy_to_mode_reg instead of force_reg.
4224 2016-01-11 H.J. Lu <hongjiu.lu@intel.com>
4227 * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Set to 2 only if
4228 TARGET_80387 is true.
4230 2016-01-11 Jakub Jelinek <jakub@redhat.com>
4233 * lra-eliminations.c (move_plus_up): Only move plus up
4234 if subreg of the constant can be simplified into constant
4235 and use the simplified subreg of the constant instead of
4236 the original constant.
4238 * fold-const.c (fold_convertible_p): Don't return true
4239 for conversion of VECTOR_TYPE to same sized integral type.
4240 (fold_convert_loc): Fix up formatting. Fold conversion of
4241 VECTOR_TYPE to same sized integral type using VIEW_CONVERT_EXPR
4242 instead of NOP_EXPR.
4244 PR tree-optimization/69214
4245 * tree-vrp.c (simplify_cond_using_ranges): Don't propagate
4246 innerop into a comparison if SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
4249 PR tree-optimization/69207
4250 * tree-vect-slp.c (vect_get_constant_vectors): For
4251 VECTOR_BOOLEAN_TYPE_P, assert op has integral type instead of
4252 fold_convertible_p to vector_type's element type, and always
4253 use VCE for non-VECTOR_BOOLEAN_TYPE_P.
4255 2016-01-11 Richard Biener <rguenther@suse.de>
4257 PR tree-optimization/69173
4258 * tree-vect-loop.c (vect_fixup_scalar_cycles_with_patterns): Only
4259 fixup the cycle if all stmts are in a pattern.
4261 2016-01-11 Uros Bizjak <ubizjak@gmail.com>
4264 * alias.c (base_alias_check): Move check for addresses with
4265 alignment ANDs before the call for compare_base_decls.
4266 (memrefs_conflict_p): Return -1 for different decls
4267 that went through alignment adjustments.
4269 2016-01-11 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
4271 PR rtl-optimization/68796
4272 * config/aarch64/aarch64.md (*and<mode>_compare0): New pattern.
4273 * config/aarch64/aarch64.c (aarch64_select_cc_mode): Handle HImode
4274 and QImode comparisons against zero with CC_NZmode.
4275 * config/aarch64/iterators.md (short_mask): New mode_attr.
4277 2016-01-11 H.J. Lu <hongjiu.lu@intel.com>
4279 * config/i386/sse.md (<avx512>_load<mode>_mask): Remove snprintf.
4280 (<avx512>_store<mode>_mask): Likewise.
4282 2016-01-11 Bernd Schmidt <bschmidt@redhat.com>
4283 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
4285 PR rtl-optimization/68841
4286 * ifcvt.c (struct noce_if_info): Add orig_x field.
4287 (bbs_ok_for_cmove_arith): Add to_rename parameter.
4288 Don't record conflicts on to_rename if it's present.
4289 Allow memory destinations in sets.
4290 (noce_try_cmove_arith): Call bbs_ok_for_cmove_arith even on simple
4291 blocks, passing orig_x to the checks.
4292 (noce_process_if_block): Set if_info->orig_x appropriately.
4294 2016-01-11 Tom de Vries <tom@codesourcery.com>
4296 PR tree-optimization/69069
4297 * tree-parloops.c (create_parallel_loop): Add missing phi args.
4299 2016-01-11 Yuri Rumyantsev <ysrumyan@gmail.com>
4301 PR rtl-optimization/68920
4302 * config/i386/i386.c (ix86_option_override_internal): Restrict number
4303 of conditional moves for RTL if-conversion to 1 for
4304 TARGET_ONE_IF_CONV_INSN.
4305 * config/i386/i386.h (TARGET_ONE_IF_CONV_INSN): New macros.
4306 * config/i386/x86-tune.def (X86_TUNE_ONE_IF_CONV_INSN): New macros.
4307 * params.def (PARAM_MAX_RTL_IF_CONVERSION_INSNS) : Introduce new
4308 parameter to restirct number of conditional moves for
4310 * doc/invoke.texi (max-rtl-if-conversion-insns): Document it.
4311 * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Limit number of
4314 2016-01-11 Alexandre Oliva <aoliva@redhat.com>
4317 * var-tracking.c (drop_overlapping_mem_locs): Operate on all
4318 onepart vars. Fix typo in comment. Fix reversed condition in
4320 (dataflow_set_remove_mem_locs): Operate on all onepart vars.
4323 * var-tracking.c (dump_onepart_variable_differences): New.
4324 (dataflow_set_different): If a detailed dump is requested,
4325 delay early returns and dump differences between onepart
4326 variables present before and after, and added variables.
4328 2016-01-11 Ilya Enkovich <enkovich.gnu@gmail.com>
4331 * expr.c (expand_expr_real_1): For boolean vector constants
4332 with a scalar mode use const_scalar_mask_from_tree.
4333 (const_scalar_mask_from_tree): New.
4334 * optabs.c (expand_vec_cond_mask_expr): Use mask mode
4335 assigned to a mask type to handle constants.
4337 2016-01-11 Martin Jambor <mjambor@suse.cz>
4340 * ipa-cp.c (estimate_local_effects): Do not clone for removal of
4341 useless parameters if we cannot change function signature.
4343 2016-01-11 Martin Jambor <mjambor@suse.cz>
4346 * cgraphclones.c (duplicate_thunk_for_node): Copy can_change_signature
4349 2016-01-11 Tom de Vries <tom@codesourcery.com>
4351 PR tree-optimization/69109
4352 * tree-parloops.c (try_transform_to_exit_first_loop_alt): Don't allow
4355 2016-01-11 Tom de Vries <tom@codesourcery.com>
4357 PR tree-optimization/69108
4358 * tree-parloops.c (gather_scalar_reductions): Handle case that outer phi
4359 res is not used in a phi.
4361 2016-01-11 Yury Gribov <y.gribov@samsung.com>
4364 * common.opt (frandom-seed): Fix parameter name.
4365 * doc/invoke.texi (frandom-seed): Ditto and describe parameter.
4367 2016-01-11 Tom de Vries <tom@codesourcery.com>
4369 PR tree-optimization/69058
4370 * tree-parloops.c (pass_parallelize_loops::execute): Return 0 if libgomp
4373 2016-01-11 Andrew Burgess <andrew.burgess@embecosm.com>
4375 * config/arc/arc.opt (mdiv-rem): Add period to the end.
4376 (mcode-density): Likewise.
4378 2016-01-10 Tom de Vries <tom@codesourcery.com>
4380 PR tree-optimization/69062
4381 * tree-parloops.c (loop_has_phi_with_address_arg): New function.
4382 (parallelize_loops): Don't paralelize loop that has phi with address
4385 2016-01-10 Tom de Vries <tom@codesourcery.com>
4387 PR tree-optimization/69039
4388 * tree-parloops.c (try_create_reduction_list): Only allow single exit
4391 2016-01-09 John David Anglin <danglin@gcc.gnu.org>
4394 * match.pd: Require target has function_c99_misc before doing
4395 truncl(extend(x)) and trunc(extend(x)) -> extend(truncf(x)), etc.
4397 2016-01-09 Gerald Pfeifer <gerald@pfeifer.com>
4399 * configure.ac (isl_options_set_schedule_serialize_sccs): Also
4401 * configure: Regenerate.
4403 2016-01-09 Jakub Jelinek <jakub@redhat.com>
4406 PR tree-optimization/69097
4407 * fold-const.h (expr_not_equal_to): New prototype.
4408 * fold-const.c: Include stringpool.h and tree-ssanames.h.
4409 (expr_not_equal_to): New function.
4410 * match.pd (X % -Y is the same as X % Y): Don't optimize
4411 unless X is known not to be equal to minimum or Y is known
4412 not to be equal to -1.
4413 * tree-vrp.c (simplify_div_or_mod_using_ranges): Add GSI argument.
4414 fold TRUNC_MOD_EXPR if the second argument is not a power of two.
4415 (simplify_stmt_using_ranges): Adjust caller.
4416 (vrp_finalize): Call set_value_range on SSA_NAMEs before calling
4417 substitute_and_fold.
4419 2016-01-09 Jan Hubicka <hubicka@ucw.cz>
4421 * ipa-icf.c (sem_item_optimizer::merge_classes): Do not ICE on VAR_DECL
4424 2016-01-08 Jakub Jelinek <jakub@redhat.com>
4426 PR tree-optimization/69167
4427 * gimple-fold.c (replace_stmt_with_simplification): Also punt if
4428 new SSA_NAME_OCCURS_IN_ABNORMAL_PHI SSA_NAMEs appear in operands of
4430 * gimple-match-head.c (maybe_push_res_to_seq): Likewise.
4432 2016-01-08 Alan Lawrence <alan.lawrence@arm.com>
4433 Richard Biener <rguenther@suse.de>
4435 PR tree-optimization/68707
4436 * tree-vect-slp.c (vect_analyze_slp_instance): Cancel permuted SLP
4437 instances that can be handled via vect_load_lanes.
4439 2016-01-08 Uros Bizjak <ubizjak@gmail.com>
4441 * symtab.c (symtab_node::equal_address_to): Return -1 instead of 2
4442 if we can't determine address equivalence.
4443 * alias.c (compare_base_decl): Update for changed return value of
4444 symtab_node::equal_address_to.
4446 2016-01-08 Jason Merrill <jason@redhat.com>
4450 * function.c (assign_temp): Guard against TREE_ADDRESSABLE types here.
4451 * expr.c (store_field): Not here.
4452 * tree-cfgcleanup.c (fixup_noreturn_call): Don't clear LHS of a
4453 call with TREE_ADDRESSABLE type.
4454 * tree-cfg.c (verify_gimple_call): Adjust.
4456 2016-01-08 Olivier Hainque <hainque@adacore.com>
4458 * config/vxworks.h (VXWORKS_LIBGCC_SPEC): Don't link shared RTPs with
4461 2016-01-08 Alan Lawrence <alan.lawrence@arm.com>
4463 * gcc.target/rs6000/paired.md (reduc_smax_v2sf): Rename to...
4464 (reduc_smax_scal_v2sf): ...here, make result SFmode, extract element.
4465 (reduc_smin_v2sf): Rename to...
4466 (reduc_smin_scal_v2sf): ...here, make result SFmode, extract element.
4467 (reduc_splus_v2sf): Rename to...
4468 (reduc_plus_scal_v2sf): ...here, make result SFmode, extract element.
4470 2016-01-08 Jakub Jelinek <jakub@redhat.com>
4472 PR tree-optimization/69162
4473 * gimplify.c (gimplify_va_arg_expr): Encode original type of
4474 valist argument in another argument.
4475 (gimplify_modify_expr): Adjust for the above change. Cleanup.
4476 * tree-stdarg.c (expand_ifn_va_arg_1): Use new 3rd argument
4477 to determine the va_list type, build a MEM_REF instead of
4478 build_fold_indirect_ref.
4480 PR tree-optimization/69172
4481 * gimple-fold.c (gimple_fold_builtin_memory_chk): Pass type to
4484 2016-01-08 Thomas Preud'homme <thomas.preudhomme@arm.com>
4486 PR tree-optimization/67781
4487 * tree-ssa-math-opts.c (find_bswap_or_nop): Zero out bytes in cmpxchg
4488 and cmpnop in two steps: first the ones not accessed in original
4489 gimple expression in a endian independent way and then the ones not
4490 accessed in the final result in an endian-specific way.
4492 2016-01-08 Jakub Jelinek <jakub@redhat.com>
4494 PR tree-optimization/69083
4495 * tree-vect-slp.c (vect_get_constant_vectors): For
4496 VECTOR_BOOLEAN_TYPE_P assert op is fold_convertible_p to vector_type's
4497 element type. If op is fold_convertible_p to vector_type's element
4498 type, use NOP_EXPR instead of VCE.
4500 2016-01-08 Segher Boessenkool <segher@kernel.crashing.org>
4502 PR rtl-optimization/67778
4503 PR rtl-optimization/68634
4504 PR rtl-optimization/68909
4505 * shrink-wrap.c (try_shrink_wrapping): Add comment. Don't pop
4506 block from the stack until done with it. Remove a superfluous
4507 bitmap set. Remove a superfluous bitmap test.
4509 2016-01-07 Martin Sebor <msebor@redhat.com>
4512 * doc/extend.texi (__atomic Builtins, __sync Builtins): Document
4513 constraint on the type of arguments.
4515 2016-01-07 Andreas Tobler <andreast@gcc.gnu.org>
4517 * config/arm/freebsd.h: Rename SUBTARGET_OVERRIDE_OPTIONS to
4518 SUBTARGET_OVERRIDE_INTERNAL_OPTIONS. Adjust to check
4519 unaligned_access on the gcc_options set.
4520 * config/arm/arm.c (arm_option_override_internal): Use
4521 SUBTARGET_OVERRIDE_INTERNAL_OPTIONS.
4523 2016-01-07 Uros Bizjak <ubizjak@gmail.com>
4526 * config/i386/i386.c (ix86_frame_pointer_required): Enable
4527 frame pointer for TARGET_64BIT_MS_ABI when stack is misaligned.
4529 2016-01-07 Uros Bizjak <ubizjak@gmail.com>
4532 2016-01-06 Uros Bizjak <ubizjak@gmail.com>
4535 * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
4536 depending on frame_pointer_needed before remaining integer and SSE
4537 registers are saved.
4539 2016-01-07 Sandra Loosemore <sandra@codesourcery.com>
4542 * doc/extend.texi (Nvidia PDX Function Attributes): New section.
4544 2016-01-07 H.J. Lu <hongjiu.lu@intel.com>
4547 * config/i386/sse.md (<sse>_sqrt<mode>2<mask_name><round_name>):
4548 Use the "xBm" constraint.
4549 (float<sseintvecmodelower><mode>2<mask_name><round_name):
4551 (sse_cvtsi2ss<round_name>): Use round_nimm_scalar_predicate.
4552 (sse_cvtsi2ssq<round_name>): Likewise.
4553 (sse_cvtss2si<round_name>): Likewise.
4554 (sse_cvtss2siq<round_name>): Likewise.
4555 (sse2_cvtsi2sdq<round_name>): Likewise.
4556 (sse2_cvtsd2si<round_name>): Likewise.
4557 (sse2_cvtsd2siq<round_name>): Likewise.
4558 * config/i386/subst.md (round_nimm_scalar_predicate): New
4561 2015-12-15 Bernd Schmidt <bschmidt@redhat.com>
4564 * varasm.c (make_decl_rtl): Mark invalid register vars as
4567 PR rtl-optimization/66206
4568 * bt-load.c (find_btr_use): Change first arg to be a pointer to an rtx.
4569 All callers changed.
4571 2016-01-07 Jakub Jelinek <jakub@redhat.com>
4573 PR tree-optimization/69141
4574 * tree-ssa-pre.c: Include langhooks.h.
4575 (eliminate_dom_walker::before_dom_children): Use
4576 lang_hooks.decl_printable_name instead of
4577 cgraph_node::get ()->name ().
4580 * gimple-expr.c (copy_var_decl): If var has DECL_USER_ALIGN set, copy
4581 it and DECL_ALIGN too.
4583 2016-01-06 Robert Suchanek <robert.suchanek@imgtec.com>
4585 * config/mips/mips-ftypes.def: Sort to lexicographical order.
4587 2016-01-06 Uros Bizjak <ubizjak@gmail.com>
4590 * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
4591 depending on frame_pointer_needed before remaining integer and SSE
4592 registers are saved.
4594 2015-01-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
4596 * config/rs6000/vsx.md (*p9_vecload_<mode>): Replace VSX_M
4597 mode iterator with VSX_M2.
4598 (*p9_vecstore_<mode>): Likewise.
4599 (*vsx_le_permute_<mode>): Restrict to !TARGET_P9_VECTOR.
4600 (*vsx_le_perm_load_<mode> for VSX_LE_128): Likewise.
4601 (*vsx_le_perm_store_<mode> for VSX_LE_128): Likewise.
4602 (define_split for VSX_LE128 stores): Likewise.
4603 (define_peephole2 for TImode LE swaps): Likewise.
4604 (define_split for VSX_LE128 post-reload stores): Likewise.
4606 2016-01-06 Marek Polacek <polacek@redhat.com>
4609 * convert.c (convert_to_integer_1): Adjust call to
4610 ubsan_instrument_float_cast. Use NULL_TREE instead of NULL.
4611 * ubsan.c (ubsan_instrument_float_cast): Drop the ARG parameter. Use
4612 EXPR instead of ARG.
4613 * ubsan.h (ubsan_instrument_float_cast): Adjust declaration.
4615 2016-01-05 Sandra Loosemore <sandra@codesourcery.com>
4618 * doc/extend.texi (RL78 Variable Attributes): New section.
4620 2016-01-05 Marek Polacek <polacek@redhat.com>
4623 * builtins.c (get_memmodel): Use expansion point location rather than
4624 the input location. Call warning_at rather than warning.
4625 (expand_builtin_atomic_compare_exchange): Likewise.
4626 (expand_builtin_atomic_load): Likewise.
4627 (expand_builtin_atomic_store): Likewise.
4628 (expand_builtin_atomic_clear): Likewise.
4630 2016-01-05 H.J. Lu <hongjiu.lu@intel.com>
4633 * config/i386/i386.c (ix86_expand_vector_logical_operator):
4634 Replace nonimmediate_operand with vector_operand.
4635 * config/i386/predicates.md (vector_operand): New predicate.
4636 (general_vector_operand): Replace nonimmediate_operand with
4638 * config/i386/sse.md: Replace nonimmediate_operand with
4639 vector_operand and m constraint with Bm constraint on SSE
4640 patterns with 16-byte memory operand.
4641 * config/i386/subst.md (round_nimm_predicate): Replace
4642 nonimmediate_operand with vector_operand.
4643 (round_saeonly_nimm_predicate): Likewise.
4644 (round_saeonly_nimm_scalar_predicate): New.
4646 2016-01-05 H.J. Lu <hongjiu.lu@intel.com>
4649 * config/i386/constraints.md (Bm): New constraint.
4650 * config/i386/predicates.md (vector_memory_operand): New
4652 * config/i386/sse.md: Replace xm with xBm in plusminus and
4655 2016-01-05 Sandra Loosemore <sandra@codesourcery.com>
4658 * doc/extend.texi (V850 Function Attributes): New section.
4659 (V850 Variable Attributes): New section.
4661 2016-01-05 Sandra Loosemore <sandra@codesourcery.com>
4664 * doc/extend.texi (MicroBlaze Function Attributes): Document
4665 interrupt_handler and fast_interrupt attributes.
4667 2016-01-05 Sergei Trofimovich <siarheit@google.com>
4670 * config/ia64/ia64.c (ia64_expand_load_address): Use gprel64
4671 for local symbolic operands.
4672 * config/ia64/predicates.md (local_symbolic_operand64): New
4675 2016-01-05 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
4677 PR rtl-optimization/68651
4678 * combine.c (combine_simplify_rtx): Canonicalize x + x into
4681 2016-01-05 Nathan Sidwell <nathan@acm.org>
4683 * alias.c (compare_base_decls): Use symtab_node::get.
4685 2016-01-05 Nick Clifton <nickc@redhat.com>
4688 * ira-costs.c (copy_cost): Initialise the t_icode field of the
4689 secondary_reload_info structure.
4692 * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Define to use weak
4693 decls if weak support is available.
4695 2016-01-04 Martin Sebor <msebor@redhat.com>
4697 * doc/invoke.texi (Warning Options): Document -Winvalid-memory-model.
4699 2016-01-04 Michael Meissner <meissner@linux.vnet.ibm.com>
4701 * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Add
4702 OPTION_MASK_P9_DFORM.
4704 * config/rs6000/constraints.md (wo constraint): New constraint for
4707 * config/rs6000/rs6000.c (rs6000_debug_reg_global): Add support
4709 (rs6000_init_hard_regno_mode_ok): Likewise.
4711 * config/rs6000/rs6000.h (r6000_reg_class_enum): Add support for
4714 * config/rs6000/altivec.md (altivec_vperm_<mode>): Clean up vperm
4715 expanders not to have constraints. Add support for ISA 3.0 xxperm
4716 instruction. Add support for fusing xxlor with xxperm.
4717 (altivec_vperm_<mode>_internal): Likewise.
4718 (altivec_vperm_v8hiv16qi): Likewise.
4719 (altivec_vperm_<mode>v16q): Likewise.
4720 (altivec_vperm_<mode>_uns): Likewise.
4721 (vperm_v8hiv4si): Likewise.
4722 (vperm_v16qiv8hi): Likewise.
4724 * doc/md.texi (RS/6000 constraints): Document wo constraint.
4726 2016-01-04 Jakub Jelinek <jakub@redhat.com>
4728 Update copyright years.
4730 * gcc.c (process_command): Update copyright notice dates.
4731 * gcov-dump.c (print_version): Ditto.
4732 * gcov.c (print_version): Ditto.
4733 * gcov-tool.c (print_version): Ditto.
4734 * gengtype.c (create_file): Ditto.
4735 * doc/cpp.texi: Bump @copying's copyright year.
4736 * doc/cppinternals.texi: Ditto.
4737 * doc/gcc.texi: Ditto.
4738 * doc/gccint.texi: Ditto.
4739 * doc/gcov.texi: Ditto.
4740 * doc/install.texi: Ditto.
4741 * doc/invoke.texi: Ditto.
4743 2016-01-04 Eric Botcazou <ebotcazou@adacore.com>
4745 * config/arm/arm.c (aapcs_vfp_allocate_return_reg): Treat all integer
4746 modes larger than TImode as TImode if NEON is not enabled.
4748 2016-01-04 Eric Botcazou <ebotcazou@adacore.com>
4751 * config/sparc/sparc.h (FUNCTION_ARG_REGNO_P): Return true in 64-bit
4752 mode for %f0-%f31 only if TARGET_FPU.
4754 2016-01-04 Eric Botcazou <ebotcazou@adacore.com>
4757 * config/sparc/sparc.c (scan_record_type): Take into account subfields
4758 to compute the PACKED_P predicate.
4759 (function_arg_record_value): Minor tweaks.
4761 2016-01-04 Thomas Preud'homme <thomas.preudhomme@arm.com>
4763 * doc/install.texi (--with-multilib-list): Describe the meaning of the
4764 option for arm*-*-* targets.
4766 2016-01-03 Sandra Loosemore <sandra@codesourcery.com>
4768 * doc/extend.texi (Common Function Attributes): Move docs for
4769 MSP430-specific attributes to....
4770 (MSP430 Function Attributes): ...here. Delete the redundant
4771 entries and copy-edit the remaining text.
4772 (MSP430 Variable Attributes): Use uniform format for index
4773 entries and add a cross-reference to the corresponding function
4776 2016-01-03 Vladimír Čunát <vcunat@gmail.com>
4778 * doc/invoke.texi (RS/6000 and PowerPC Options): Fix
4780 (x86 Options): Likewise.
4782 2016-01-01 Sandra Loosemore <sandra@codesourcery.com>
4786 * extend.texi (Common Function Attributes) <no_stack_limit>: New.
4787 * invoke.texi (Code Gen Options) <-fno-stack-limit>: Add pointer
4788 to corresponding attribute.
4790 2016-01-01 Sandra Loosemore <sandra@codesourcery.com>
4792 * doc/extend.texi (Common Function Attributes) <noplt>: Move
4793 to correct alphabetization of table. Copy-edit and correct
4795 <stack_protect>: Likewise.
4796 <target_clones>: Likewise.
4798 * doc/invoke.texi (Optimize Options) <-fstack-protector-explicit>:
4799 Correct punctuation.
4800 (Code Gen Options) <-fno-plt>: Copy-edit.
4802 2016-01-01 Bernd Edlinger <bernd.edlinger@hotmail.de>
4805 * config/tilegx/tilegx.md (clzsi2): Don't create DI subregs of
4806 SI values. Explicitly convert SI to DI and vice-versa.
4808 2016-01-01 Jakub Jelinek <jakub@redhat.com>
4810 PR tree-optimization/69070
4811 * tree-ssa-math-opts.c (gimple_expand_builtin_pow): Only test
4812 REAL_VALUE_ISSIGNALING_NAN on arg0 if arg0 is a REAL_CST.
4815 * ubsan.c (ubsan_instrument_float_cast): Call
4816 initialize_sanitizer_builtins.
4819 * ifcvt.c (find_cond_trap): Give up if returnjump_p (jump).
4821 Copyright (C) 2016 Free Software Foundation, Inc.
4823 Copying and distribution of this file, with or without modification,
4824 are permitted in any medium without royalty provided the copyright
4825 notice and this notice are preserved.