[AArch64] PR target/69161: Don't use special predicate for CCmode comparisons in...
[official-gcc.git] / gcc / ChangeLog
blob6d2a4bd255bcb030b20271bf3dbbdd163c900262
1 2016-02-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3         PR target/69161
4         * config/aarch64/predicates.md (aarch64_comparison_operator_mode):
5         New predicate.
6         (aarch64_comparison_operator): Break overly long line into two.
7         (aarch64_comparison_operation): Likewise.
8         * config/aarch64/aarch64.md (cstorecc4): Use
9         aarch64_comparison_operator_mode instead of
10         aarch64_comparison_operator.
11         (cstore<mode>4): Likewise.
12         (aarch64_cstore<mode>): Likewise.
13         (*cstoresi_insn_uxtw): Likewise.
14         (cstore<mode>_neg): Likewise.
15         (*cstoresi_neg_uxtw): Likewise.
17 2016-02-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
19         PR target/69161
20         * config/arm/predicates.md (arm_comparison_operator_mode):
21         New predicate.
22         * config/arm/arm.md (*mov_scc): Use arm_comparison_operator_mode
23         instead of arm_comparison_operator.
24         (*mov_negscc): Likewise.
25         (*mov_notscc): Likewise.
26         * config/arm/thumb2.md (*thumb2_mov_scc): Likewise.
27         (*thumb2_mov_negscc): Likewise.
28         (*thumb2_mov_negscc_strict_it): Likewise.
29         (*thumb2_mov_notscc): Likewise.
30         (*thumb2_mov_notscc_strict_it): Likewise.
32 2016-02-17  Wilco Dijkstra  <wdijkstr@arm.com>
34         * config/aarch64/aarch64.c (aarch64_internal_mov_immediate):
35         Add missing return.
37 2016-02-17  Eric Botcazou  <ebotcazou@adacore.com>
39         * config/visium/visium.c (machine_libfunc_index): New enum.
40         (machine_libfuncs): New structure.
41         (visium_libfuncs): New static variable.
42         (TARGET_INIT_LIBFUNCS): Define to...
43         (visium_init_libfuncs): ...this.  New function.
44         (expand_block_move_4): Use the appropriate libfunc.
45         (expand_block_move_2): Likewise.
46         (expand_block_move_1): Likewise.
47         (expand_block_set_4): Likewise.
48         (expand_block_set_2): Likewise.
49         (expand_block_set_1): Likewise.
50         (visium_trampoline_init): Likewise.
52 2016-02-17  Nick Clifton  <nickc@redhat.com>
54         * config/msp430/msp430.c (msp430_mcu_data): Sync with data from
55         TI's devices.csv file as of March 2016.
57 2016-02-16  Kelvin Nilsen  <kelvin@gcc.gnu.org>
59         PR Target/48344
60         * opts-global.c (handle_common_deferred_options): Introduce and
61         initialize two global variables to remember command-line options
62         specifying a stack-limiting register.
63         * opts.h: Add extern declarations of the two new global variables.
64         * emit-rtl.c (init_emit_once): Initialize the stack_limit_rtx
65         variable based on the values of the two new global variables.
67 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
69         PR c/69835
70         * common.opt (Wnonnull-compare): New warning.
71         * doc/invoke.texi (-Wnonnull): Remove text about comparison
72         of arguments against NULL.
73         (-Wnonnull-compare): Document.
74         * Makefile.in (OBJS): Add gimple-ssa-nonnull-compare.o.
75         * tree-pass.h (make_pass_warn_nonnull_compare): Declare.
76         * passes.def (pass_warn_nonnull_compare): Add.
77         * gimple-ssa-nonnull-compare.c: New file.
79 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
81         * config/aarch64/aarch64.c (cortexa57_tunings): Remove
82         AARCH64_EXTRA_TUNE_RECIP_SQRT.
84 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
86         * config/aarch64/aarch64.c (use_rsqrt_p): Always use software
87         reciprocal sqrt for -mlow-precision-recip-sqrt.
89 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
90             Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
92         * config/aarch64/aarch64.c (aarch64_expand_vector_init): Refactor,
93         always use lane loads to construct non-constant vectors.
95 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
97         * config/aarch64/aarch64.md
98         (arch64_sqrdml<SQRDMLH_AS:rdma_as>h_lane<mode>): Fix register
99         constraints for operand 3.
100         (aarch64_sqrdml<SQRDMLH_AS:rdma_as>h_laneq<mode>): Likewise.
102 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
103             Richard Biener  <rguenther@suse.de>
105         PR tree-optimization/69820
106         * tree-vect-patterns.c (type_conversion_p): Return false if
107         *orig_type is unsigned single precision or boolean.
108         (vect_recog_dot_prod_pattern, vect_recog_widen_mult_pattern):
109         Formatting fix.
111 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
113         PR rtl-optimization/69764
114         PR rtl-optimization/69771
115         * optabs.c (expand_binop): Ensure for shift optabs invalid CONST_INT
116         op1 is valid for GET_MODE_INNER (mode) and force it into a reg.
118 2016-02-16  Richard Biener  <rguenther@suse.de>
120         PR tree-optimization/69776
121         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Get alias
122         sets from caller.
123         (indirect_refs_may_alias_p): Likewise.
124         (refs_may_alias_p_1): Pass alias sets as from ao_ref.
125         * tree-ssa-sccvn.c (vn_reference_lookup): Also adjust vr alias-set
126         according to tbaa_p.
127         * tree-ssa-dom.c (lookup_avail_expr): Add tbaa_p flag.
128         (optimize_stmt): For redundant store discovery do not allow tbaa.
130 2016-02-16  Bernd Schmidt  <bschmidt@redhat.com>
132         PR tree-optimization/69714
133         * tree-ssa-math-opts.c (find_bswap_or_nop): Revert previous change.
134         Return NULL if we have irrelevant high bytes on BIG_ENDIAN.
136 2016-02-16  Claudiu Zissulescu  <claziss@synopsys.com>
138         * config/arc/arc-modes.def (CC_FPU, CC_FPU_UNEQ): New modes.
139         * config/arc/arc-opts.h (FPU_SP, FPU_SF, FPU_SC, FPU_SD, FPU_DP)
140         (FPU_DF, FPU_DC, FPU_DD, FXP_DP): Define.
141         * config/arc/arc.c (arc_init): Check FPU options.
142         (get_arc_condition_code): Handle new CC_FPU* modes.
143         (arc_select_cc_mode): Likewise.
144         (arc_conditional_register_usage): Allow 64 bit datum into even-odd
145         register pair only. Allow access for ARCv2 accumulator.
146         (gen_compare_reg): Whenever we have FPU support use FPU compare
147         instructions.
148         (arc_reorg): Don't generate brcc insns when FPU compare
149         instructions are involved.
150         * config/arc/arc.h (TARGET_DPFP): Add TARGET_FP_DPAX condition.
151         (TARGET_OPTFPE): Add condition when ARC EM can use optimized
152         floating point emulation.
153         (ACC_REG_FIRST, ACC_REG_LAST, ACCL_REGNO, ACCH_REGNO): Define.
154         (REVERSE_CONDITION): Add new CC_FPU* modes.
155         (TARGET_FP_SP_BASE): Define.
156         (TARGET_FP_DP_BASE): Likewise.
157         (TARGET_FP_SP_FUSED): Likewise.
158         (TARGET_FP_DP_FUSED): Likewise.
159         (TARGET_FP_SP_CONV): Likewise.
160         (TARGET_FP_DP_CONV): Likewise.
161         (TARGET_FP_SP_SQRT): Likewise.
162         (TARGET_FP_DP_SQRT): Likewise.
163         (TARGET_FP_DP_AX): Likewise.
164         * config/arc/arc.md (ARCV2_ACC): New constant.
165         (type): New fpu type attribute.
166         (SDF): Conditional iterator.
167         (cstore<mode>, cbranch<mode>): Change expand condition.
168         (addsf3, subsf3, mulsf3, adddf3, subdf3, muldf3): New expands,
169         handles FPU/FPX cases as well.
170         * config/arc/arc.opt (mfpu): New option.
171         * config/arc/fpx.md (addsf3_fpx, subsf3_fpx, mulsf3_fpx):
172         Renamed.
173         (adddf3, muldf3, subdf3): Removed.
174         * config/arc/predicates.md (proper_comparison_operator): Recognize
175         CC_FPU* modes.
176         * config/arc/fpu.md: New file.
177         * doc/invoke.texi (ARC Options): Document mfpu option.
179 2016-02-16  Richard Biener  <rguenther@suse.de>
181         PR rtl-optimization/69291
182         * ifcvt.c (noce_try_store_flag_constants): Re-instantiate
183         noce_operand_ok check.
185 2016-02-16  Tom de Vries  <tom@codesourcery.com>
187         PR lto/67709
188         * omp-low.c (simd_clone_create): Remove call to
189         symtab->call_cgraph_insertion_hooks.
191 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
193         PR tree-optimization/69802
194         * tree-ssa-reassoc.c (update_range_test): If op is
195         SSA_NAME_IS_DEFAULT_DEF, give up unless tem is a positive
196         op == 1 test of precision 1 integral op, otherwise handle
197         that case as op itself.  Fix up formatting.
198         (optimize_range_tests_to_bit_test, optimize_range_tests): Fix
199         up formatting.
201 2016-02-16  Richard Biener  <rguenther@suse.de>
203         PR tree-optimization/69586
204         * tree-vrp.c (register_edge_assert_for_2): Handle all integral
205         types for conversion sources.
207 2016-02-16  Richard Biener  <rguenther@suse.de>
209         PR middle-end/69801
210         * fold-const.c (operand_equal_p): For COND_EXPR zero operand
211         mask OEP_ADDRESS_OF.
213 2016-02-16  Alan Modra  <amodra@gmail.com>
215         PR target/68973
216         * config/rs6000/rs6000.md (reload_vsx_from_gprsf): Rewrite splitter.
217         (p8_mtvsrd_df, p8_mtvsrd_sf): New.
218         (p8_mtvsrd_1, p8_mtvsrd_2): Delete.
219         (p8_mtvsrwz): New.
220         (p8_mtvsrwz_1, p8_mtvsrwz_2): Delete.
221         (p8_xxpermdi_<mode>): Take two DF inputs rather than one TF.
222         (p8_fmrgow_<mode>): Likewise.
223         (reload_vsx_from_gpr<mode>): Make clobber IF.  Adjust for above
224         changes.
225         (reload_fpr_from_gpr<mode>): Similarly. Use "d" for op0 constraint.
226         (reload_vsx_from_gprsf): Use p8_mtvsrd_sf rather than attempting
227         to use movdi_internal64.  Remove op0_di.
228         * config/rs6000/vsx.md (vsx_xscvspdpn_directmove): Make op1 SFmode.
230 2016-02-15  Evandro Menezes  <e.menezes@samsung.com>
232         Add support for the FCCMP insn types
234         * config/aarch64/aarch64.md (fccmp): Change insn type.
235         (fccmpe): Likewise.
236         * config/aarch64/thunderx.md (thunderx_fcmp): Add "fccmp{s,d}" types.
237         * config/arm/cortex-a53.md (cortex_a53_fpalu): Likewise.
238         * config/arm/cortex-a57.md (cortex_a57_fp_cmp): Likewise.
239         * config/arm/xgene1.md (xgene1_fcmp): Likewise.
240         * config/arm/exynos-m1.md (exynos_m1_fp_ccmp): New insn reservation.
241         * config/arm/types.md (fccmps): Add new insn type.
242         (fccmpd): Likewise.
244 2016-02-15  Bernd Edlinger  <bernd.edlinger@hotmail.de>
246         * alias.c (get_alias_set): Fix a typo in comment.
248 2016-02-15  Richard Biener  <rguenther@suse.de>
250         PR tree-optimization/69595
251         * match.pd: Complete range test simplification to true.
253 2016-02-15  Bernd Schmidt  <bschmidt@redhat.com>
255         PR rtl-optimization/69648
256         * lra-constraints.c (update_ebb_live_info): Don't remove sets of
257         pic_offset_table_rtx.
259         PR rtl-optimization/69752
260         * ira.c (update_equiv_regs): When looking for more than a single SET,
261         also take other side effects into account.
263 2016-02-15  Marcin Kościelnicki  <koriakin@0x04.net>
265         * config/s390/s390.c (s390_function_profiler): Add a new sequence
266         for z900+ CPUs in 31-bit mode.
268 2016-02-15  Marcin Kościelnicki  <koriakin@0x04.net>
270         * common/config/s390/s390-common.c (s390_supports_split_stack):
271         New function.
272         (TARGET_SUPPORTS_SPLIT_STACK): New macro.
273         * config/s390/s390-protos.h: Add s390_expand_split_stack_prologue.
274         * config/s390/s390.c (struct machine_function): New field
275         split_stack_varargs_pointer.
276         (s390_register_info): Mark r12 as clobbered if it'll be used as temp
277         in s390_emit_prologue.
278         (s390_emit_prologue): Use r12 as temp if r1 is taken by split-stack
279         vararg pointer.
280         (morestack_ref): New global.
281         (SPLIT_STACK_AVAILABLE): New macro.
282         (s390_expand_split_stack_prologue): New function.
283         (s390_live_on_entry): New function.
284         (s390_va_start): Use split-stack vararg pointer if appropriate.
285         (s390_asm_file_end): Emit the split-stack note sections.
286         (TARGET_EXTRA_LIVE_ON_ENTRY): New macro.
287         * config/s390/s390.md (UNSPEC_STACK_CHECK): New unspec.
288         (UNSPECV_SPLIT_STACK_CALL): New unspec.
289         (UNSPECV_SPLIT_STACK_DATA): New unspec.
290         (split_stack_prologue): New expand.
291         (split_stack_space_check): New expand.
292         (split_stack_data): New insn.
293         (split_stack_call): New expand.
294         (split_stack_call_*): New insn.
295         (split_stack_cond_call): New expand.
296         (split_stack_cond_call_*): New insn.
298 2016-02-15  Richard Biener  <rguenther@suse.de>
300         PR tree-optimization/69783
301         * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
302         Add trivially correct cases.
304 2016-02-15  Tom de Vries  <tom@codesourcery.com>
306         PR lto/69655
307         * lto-cgraph.c (input_offload_tables): Add and handle bool parameter
308         do_force_output.
309         * lto-streamer.h (input_offload_tables): Add and handle bool parameter.
311 2016-02-15  Richard Biener  <rguenther@suse.de>
313         PR tree-optimization/69776
314         * tree-ssa-sccvn.h (vn_reference_lookup): Adjust prototype.
315         * tree-ssa-sccvn.c (vn_reference_lookup): Add parameter to
316         indicate whether we can use TBAA to disambiguate against stores.
317         Use alias-set zero if not.
318         (visit_reference_op_store): Do not use TBAA when looking up
319         redundant stores.
320         * tree-ssa-pre.c (compute_avail): Use TBAA here.
321         (eliminate_dom_walker::before_dom_children): But not when looking
322         up redundant stores.
324 2016-02-14  John David Anglin  <danglin@gcc.gnu.org>
326         * config/pa/pa.md (absqi2, absghi2, bswaphi2, bswapsi2, bswapdi2): New.
328 2016-02-14  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
330         *  config/i386/znver1.md
331         (znver1_pop, znver1_pop_mem,
332         znver1_load_imov_double_store,
333         znver1_load_imov_direct_store,
334         znver1_load_imov_direct_load,
335         znver1_load_imov_double_load): Add new.
336         (znver1_insn, znver1_insn_load): Add icmov type.
337         (znver1_sseavx_fma,
338         znver1_sseavx_fma_load,
339         znver1_avx256_fma,
340         znver1_avx256_fma_load): Fix pipe usage.
342 2016-02-14  Alan Modra  <amodra@gmail.com>
344         PR target/68973
345         * reloads.c (find_reloads_address_1): For pre/post-inc/dec
346         with an invalid hard reg, reload just the reg not the entire
347         pre/post-inc/dec address expression.
349 2016-02-13  Oleg Endo  <olegendo@gcc.gnu.org>
351         PR target/67260
352         * config/sh/sh.md (sibcall_value_pcrel): Replace =&k scratch reg with
353         fixed R1_REG scratch reg.
354         (sibcall_value_pcrel_fdpic): Likewise.
356 2016-02-13  Oleg Endo  <olegendo@gcc.gnu.org>
358         PR target/67636
359         PR target/64345
360         * config/sh/sh.md (*zero_extract_3): New insn_and_split pattern.
362 2016-02-12  Walter Lee  <walt@tilera.com>
364         * config/tilepro/t-tilepro: Replace CC_FOR_BUILD with CXX_FOR_BUILD.
365         * config/tilegx/t-tilegx: Likewise.
367 2016-02-12  David Malcolm  <dmalcolm@redhat.com>
369         PR other/69554
370         * diagnostic-show-locus.c (struct line_span): New struct.
371         (layout::get_first_line): Delete.
372         (layout::get_last_line): Delete.
373         (layout::get_num_line_spans): New member function.
374         (layout::get_line_span): Likewise.
375         (layout::print_heading_for_line_span_index_p): Likewise.
376         (layout::get_expanded_location): Likewise.
377         (layout::calculate_line_spans): Likewise.
378         (layout::m_first_line): Delete.
379         (layout::m_last_line): Delete.
380         (layout::m_line_spans): New field.
381         (layout::layout): Update comment.  Replace m_first_line and
382         m_last_line with m_line_spans, replacing their initialization
383         with a call to calculate_line_spans.
384         (diagnostic_show_locus): When printing source lines and
385         annotations, rather than looping over a single span
386         of lines, instead loop over each line_span within
387         the layout, with an inner loop over the lines within them.
388         Call the context's start_span callback when changing line spans.
389         * diagnostic.c (diagnostic_initialize): Initialize start_span.
390         (diagnostic_build_prefix): Break out the building of the location
391         part of the string into...
392         (diagnostic_get_location_text): ...this new function, rewriting
393         it from nested ternary expressions to a sequence of "if"
394         statements.
395         (default_diagnostic_start_span_fn): New function.
396         * diagnostic.h (diagnostic_start_span_fn): New typedef.
397         (diagnostic_context::start_span): New field.
398         (default_diagnostic_start_span_fn): New prototype.
400 2016-02-12  David Malcolm  <dmalcolm@redhat.com>
402         PR driver/69779
403         * gcc.c (driver::finalize): Fix cleanup of "specs".
405 2016-02-12  David Malcolm  <dmalcolm@redhat.com>
407         PR driver/69265
408         PR driver/69453
409         * gcc.c (driver::driver): Initialize m_option_suggestions.
410         (driver::~driver): Clean up m_option_suggestions.
411         (suggest_option): Convert to...
412         (driver::suggest_option): ...this, and split out into
413         driver::build_option_suggestions and find_closest_string.
414         (driver::build_option_suggestions): New function, from
415         first half of suggest_option.  Special-case
416         OPT_fsanitize_ and OPT_fsanitize_recover_, making use of
417         the sanitizer_opts array.  For options of enum types, add the
418         various enum values to the candidate strings.
419         (driver::handle_unrecognized_options): Remove "const".
420         * gcc.h (driver::handle_unrecognized_options): Likewise.
421         (driver::build_option_suggestions): New decl.
422         (driver::suggest_option): New decl.
423         (driver::m_option_suggestions): New field.
424         * opts-common.c (add_misspelling_candidates): New function.
425         * opts.c (sanitizer_opts): Remove decl of struct sanitizer_opts_s
426         and make non-static.
427         * opts.h (sanitizer_opts): New array decl.
428         (add_misspelling_candidates): New function decl.
429         * spellcheck.c (find_closest_string): New function.
430         * spellcheck.h (find_closest_string): New function decl.
432 2016-02-12  Jakub Jelinek  <jakub@redhat.com>
434         PR rtl-optimization/69764
435         PR rtl-optimization/69771
436         * optabs.c (expand_binop_directly): For shift_optab_p, force
437         convert_modes with VOIDmode if xop1 has VOIDmode.
439 2016-02-12  Ilya Enkovich  <enkovich.gnu@gmail.com>
441         PR target/69729
442         * lto-streamer-out.c (lto_output): Use thunk.add_pointer_bounds_args
443         to correctly determine instrumentation thunks.
445 2016-02-12  Jakub Jelinek  <jakub@redhat.com>
447         PR ipa/69241
448         * ipa-split.c (split_function): If split part returns TREE_ADDRESSABLE
449         type by reference, force lhs on the call.
451         PR ipa/68672
452         * ipa-split.c (split_function): Don't compute/use main_part_return_p.
453         Compute retval and retbnd early in all cases if split_part_return_p
454         and return_bb is not EXIT.  Remove all clobber stmts and reset
455         all debug stmts that refer to SSA_NAMEs defined in split part,
456         except if it is retval, in that case replace the old retval with the
457         lhs of the call to the split part.
459 2016-02-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
461         revert:
462         2016-02-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
464         PR middle-end/66726
465         * tree-ssa-reassoc.c (optimize_range_tests): Handle tcc_compare stmt
466         whose result is used in PHI.
467         (maybe_optimize_range_tests): Likewise.
468         (final_range_test_p): Likweise.
470 2016-02-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
472         PR middle-end/66726
473         * tree-ssa-reassoc.c (optimize_range_tests): Handle tcc_compare stmt
474         whose result is used in PHI.
475         (maybe_optimize_range_tests): Likewise.
476         (final_range_test_p): Likweise.
478 2016-02-12  Jakub Jelinek  <jakub@redhat.com>
480         * cgraph.c: Spelling fixes - behaviour -> behavior and
481         neighbour -> neighbor.
482         * target.def: Likewise.
483         * sel-sched.c: Likewise.
484         * config/mips/mips.c: Likewise.
485         * config/arc/arc.md: Likewise.
486         * config/arm/cortex-a57.md: Likewise.
487         * config/arm/arm.c: Likewise.
488         * config/arm/neon.md: Likewise.
489         * config/arm/arm-c.c: Likewise.
490         * config/vms/vms-c.c: Likewise.
491         * config/s390/s390.c: Likewise.
492         * config/i386/znver1.md: Likewise.
493         * config/i386/i386.c: Likewise.
494         * config/ia64/hpux-unix2003.h: Likewise.
495         * config/msp430/msp430.md: Likewise.
496         * config/rx/rx.c: Likewise.
497         * config/rx/rx.md: Likewise.
498         * config/aarch64/aarch64-simd.md: Likewise.
499         * config/aarch64/aarch64.c: Likewise.
500         * config/nvptx/nvptx.c: Likewise.
501         * config/bfin/bfin.c: Likewise.
502         * config/cris/cris.opt: Likewise.
503         * config/rs6000/rs6000.c: Likewise.
504         * target.h: Likewise.
505         * spellcheck.c: Likewise.
506         * ira-build.c: Likewise.
507         * tree-inline.c: Likewise.
508         * builtins.c: Likewise.
509         * lra-constraints.c: Likewise.
510         * explow.c: Likewise.
511         * hwint.h: Likewise.
512         * targhooks.c: Likewise.
513         * tree-vect-data-refs.c: Likewise.
514         * expr.c: Likewise.
515         * doc/tm.texi: Likewise.
516         * doc/extend.texi: Likewise.
517         * doc/install.texi: Likewise.
518         * doc/md.texi: Likewise.
519         * tree-ssa-tail-merge.c: Likewise.
520         * sched-int.h: Likewise.
521         * match.pd: Likewise.
522         * sched-ebb.c: Likewise.
523         * target.def (omit_struct_return_reg): Likewise.
524         * gimple-ssa-isolate-paths.c: Likewise.
525         (find_implicit_erroneous_behaviour): Renamed to...
526         (find_implicit_erroneous_behavior): ... this.
527         (find_explicit_erroneous_behaviour): Renamed to...
528         (find_explicit_erroneous_behavior): ... this.
529         (gimple_ssa_isolate_erroneous_paths): Adjust caller.
531 2016-02-11  Segher Boessenkool  <segher@kernel.crashing.org>
533         PR rtl-optimization/64682
534         PR rtl-optimization/69567
535         PR rtl-optimization/69737
536         * combine.c (distribute_notes) <REG_DEAD>: If the register is set
537         in I2 as well, just lose it.
539 2016-02-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
541         * config/aarch64/aarch64.c (aarch64_last_printed_arch_string):
542         New variable.
543         (aarch64_last_printed_tune_string): Likewise.
544         (aarch64_declare_function_name): Only output .arch assembler
545         directive if it will be different from the previously output
546         directive.  Same for .tune comment but only if -dA is set.
547         (aarch64_start_file): New function.
548         (TARGET_ASM_FILE_START): Define.
550 2016-02-11  David Malcolm  <dmalcolm@redhat.com>
552         PR plugins/69758
553         * Makefile.in (PLUGIN_HEADERS): Add params.list.
555 2016-02-11  Jakub Jelinek  <jakub@redhat.com>
557         PR target/65313
558         * tree-vect-slp.c (vect_schedule_slp_instance): Avoid
559         -Wmaybe-uninitialized warning.
561 2016-02-11  Oleg Endo  <olegendo@gcc.gnu.org>
563         PR target/69713
564         * config/sh/sh.md (casesi_worker_0): Add T_REG use.
566 2016-02-11  Richard Biener  <rguenther@suse.de>
568         PR rtl-optimization/69291
569         * ifcvt.c (noce_try_store_flag_constants): Do not allow
570         subexpressions affected by changing the result.
572 2016-02-10  Vladimir Makarov  <vmakarov@redhat.com>
574         PR target/69148
575         * lra-constraints.c (curr_insn_transform): Find in/out operands
576         for secondary memory moves.  Update dups.
578 2016-02-10  Yuri Rumyantsev  <ysrumyan@gmail.com>
580         PR tree-optimization/69652
581         * tree-vect-loop.c (optimize_mask_stores): Move declaration of STMT1
582         to nested loop, did source re-formatting, skip debug statements,
583         add check on statement with volatile operand, remove dead scalar
584         statements.
586 2016-02-10  Jakub Jelinek  <jakub@redhat.com>
587             Patrick Palka  <ppalka@gcc.gnu.org>
589         PR ipa/69241
590         PR c++/69649
591         * gimplify.c (gimplify_modify_expr): Set lhs even for noreturn
592         calls if the return type is TREE_ADDRESSABLE.
593         * cgraphunit.c (cgraph_node::expand_thunk): Likewise.
594         * ipa-split.c (split_function): Fix doubled "we" in comment.
595         Use void return type for the split part even if
596         !split_point->split_part_set_retval.
598 2016-02-10  Bin Cheng  <bin.cheng@arm.com>
600         PR tree-optimization/68021
601         * tree-ssa-loop-ivopts.c (get_computation_aff): Set ratio to 1 if
602         when computing the value of biv cand by itself.
604 2016-02-10  Wilco Dijkstra  <wdijkstr@arm.com>
606         * config/aarch64/aarch64.c (cortexa53_tunings): Enable AES fusion.
607         (cortexa57_tunings): Likewise.
608         (cortexa72_tunings): Likewise.
609         (arch_macro_fusion_pair_p): Add support for AES fusion.
610         * config/aarch64/aarch64-fusion-pairs.def: Add AES_AESMC entry.
611         * config/arm/aarch-common.c (aarch_crypto_can_dual_issue):
612         Allow virtual registers before reload so early scheduling works.
613         * config/arm/cortex-a57.md (cortex_a57_crypto_simple): Use
614         correct latency and pipeline.
615         (cortex_a57_crypto_complex): Likewise.
616         (cortex_a57_crypto_xor): Likewise.
617         (define_bypass): Add AES bypass.
619 2016-02-10  Richard Biener  <rguenther@suse.de>
621         PR tree-optimization/69726
622         * passes.def: Add DCE pass before late uninit.
623         * match.pd: Add A ? B : (!A ? C : X) -> A ? B : C patterns to
624         really fixup if-conversions job.
626 2016-02-10  Wilco Dijkstra  <wdijkstr@arm.com>
628         * config/arm/arm.c (arm_cortex_a53_tune): Enable AES fusion.
629         (arm_cortex_a57_tune): Likewise.
630         (aarch_macro_fusion_pair_p): Add support for AES fusion.
631         * config/arm/arm-protos.h (fuse_ops): Add FUSE_AES_AESMC.
633 2016-02-10  Eric Botcazou  <ebotcazou@adacore.com>
635         * timevar.def (TV_PHASE_DBGINFO): Delete.
636         (TV_PHASE_CHECK_DBGINFO): Likewise.
637         * varpool.c (varpool_node::assemble_decl): Do not change timevar.
639 2016-02-10  Richard Biener  <rguenther@suse.de>
641         PR tree-optimization/69719
642         * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
643         Adjust previous fix by ensuring that dr_a1 is left of dr_a2.
645 2016-02-09  Andrew Pinski  <apinski@cavium.com>
647         PR tree-opt/69282
648         * optabs-tree.c (expand_vec_cond_expr_p): Don't early return if
649         get_vcond_mask_icode returns false.
651 2016-02-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
653         PR target/68404
654         * config/rs6000/predicates.md (fusion_gpr_addis): Prevent fusing
655         an ADDIS that adds a pointer to a large constant that sets the
656         upper16 bits with a load operation.
658 2016-02-09  Charles Baylis  <charles.baylis@linaro.org>
660         PR target/68532
661         * config/arm/arm.c (arm_evpc_neon_vzip): Allow for big endian lane
662         order.
663         * config/arm/arm_neon.h (vzipq_s8): Adjust shuffle patterns for big
664         endian.
665         (vzipq_s16): Likewise.
666         (vzipq_s32): Likewise.
667         (vzipq_f32): Likewise.
668         (vzipq_u8): Likewise.
669         (vzipq_u16): Likewise.
670         (vzipq_u32): Likewise.
671         (vzipq_p8): Likewise.
672         (vzipq_p16): Likewise.
674 2016-02-09  Charles Baylis  <charles.baylis@linaro.org>
676         PR target/68532
677         * config/arm/arm.c (neon_endian_lane_map): New function.
678         (neon_vector_pair_endian_lane_map): New function.
679         (arm_evpc_neon_vuzp): Allow for big endian lane order.
680         * config/arm/arm_neon.h (vuzpq_s8): Adjust shuffle patterns for big
681         endian.
682         (vuzpq_s16): Likewise.
683         (vuzpq_s32): Likewise.
684         (vuzpq_f32): Likewise.
685         (vuzpq_u8): Likewise.
686         (vuzpq_u16): Likewise.
687         (vuzpq_u32): Likewise.
688         (vuzpq_p8): Likewise.
689         (vuzpq_p16): Likewise.
691 2016-02-11  Alexandre Oliva  <aoliva@redhat.com>
693         PR target/69634
694         * regstat.c (regstat_bb_compute_calls_crossed): Disregard
695         debug insns.
697 2016-02-09  Uros Bizjak  <ubizjak@gmail.com>
699         * config/i386/i386.md (insv<mode>_1): Use gen_int_mode to
700         truncate const_int operand 1 to QImode.
702 2016-02-09  Eric Botcazou  <ebotcazou@adacore.com>
704         * gimple-ssa-backprop.c (optimize_phi): Do not replace an argument
705         corresponding to an abnormal edge.
707 2016-02-09  Tom de Vries  <tom@codesourcery.com>
709         PR tree-optimization/69599
710         * tree-ssa-structalias.c (fndecl_maybe_in_other_partition): New
711         function.
712         (find_func_aliases_for_builtin_call, find_func_clobbers)
713         (ipa_pta_execute):  Handle case that foo and foo._0 are not in same lto
714         partition.
716 2016-02-09  Richard Biener  <rguenther@suse.de>
718         PR tree-optimization/69715
719         * tree-ssa.c (execute_update_addresses_taken): Mark non-decl
720         LHS on calls as non-rewritable.
722 2016-02-09  Tom de Vries  <tom@codesourcery.com>
724         PR lto/69707
725         * lto-wrapper.c (append_diag_options): New function.
726         (compile_offload_image): Call append_diag_options.
728 2016-02-08  Sandra Loosemore <sandra@codesourcery.com>
730         PR other/69722
731         * doc/extend.texi (Flag Output Operands): Correct sectioning.
732         Minor copy-edit to fix verb tenses.
734 2016-02-08  Jakub Jelinek  <jakub@redhat.com>
736         PR tree-optimization/69209
737         * ipa-split.c (split_function): If split part is not
738         returning retval, retval has gimple type but is not
739         gimple value, force it into a SSA_NAME first.
741 2016-02-08  Nicklas Bo Jensen  <nbjensen@gmail.com>
743         * doc/tree-ssa.texi (Preserving the virtual SSA form): Remove
744         outdated section.
746 2016-02-08  Jason Merrill  <jason@redhat.com>
748         PR c++/69631
749         * convert.c (convert_to_integer_1): Check dofold on truncation
750         distribution.
751         (convert_to_pointer_maybe_fold, convert_to_real_maybe_fold)
752         (convert_to_integer_maybe_fold, convert_to_complex_maybe_fold):
753         Rename from *_nofold.
754         * convert.h (convert_to_pointer_nofold, convert_to_integer_nofold)
755         (convert_to_real_nofold, convert_to_complex_nofold): New inlines.
757 2016-02-08  Bernd Schmidt  <bschmidt@redhat.com>
759         PR target/60410
760         * tree.c (build_common_tree_nodes): Remove short_double argument.
761         All callers changed.
762         * tree.h (build_common_tree_nodes): Adjust declaration.
763         * doc/invoke.texi (-fshort-double): Remove documentation.
764         * config/mips/t-img-elf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
765         MULTILIB_EXCEPTIONS): Remove -fshort-double variant.
766         * lto-wrapper.c (merge_and_complain, append_compiler_options)
767         (append_linker_options): Don't handle OPT_fshort_double.
769         PR rtl-optimization/68730
770         * lra-remat.c (insn_to_cand_activation): New static variable.
771         (lra_remat): Allocate and free it.
772         (create_cand): New arg activation. Initialize a field in
773         insn_to_cand_activation if it is nonnull.
774         (create_cands): Pass the activation insn to create_cand when making
775         a candidate involving an output reload.  Reorganize code a little.
776         (do_remat): Keep track of active status of candidates in a separate
777         bitmap.
779 2016-02-08  Richard Biener  <rguenther@suse.de>
781         PR tree-optimization/69719
782         * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
783         Properly use absolute of the difference of the two offsets to
784         compare or adjust the segment length.
786 2016-02-08  Richard Biener  <rguenther@suse.de>
787             Jeff Law  <law@redhat.com>
789         PR target/68273
790         * tree-ssanames.c (make_ssa_name_fn): Always use unqualified
791         types for anonymous SSA names.
793 2016-02-08   Richard Biener  <rguenther@suse.de>
795         PR rtl-optimization/69274
796         * ira.c (ira_setup_alts): Do not change recog_data.operand order.
798 2016-02-08  Jeff Law  <law@redhat.com>
800         PR tree-optimization/65917
801         * tree-ssa-dom.c (record_temporary_equivalences): Record both
802         equivalences from if (x == y) style conditionals.
803         (loop_depth_of_name): Remove.
804         (record_equality): Remove loop depth check.
805         * tree-ssa-scopedtables.h (const_and_copies): Refine comments.
806         (const_and_copies::record_const_or_copy_raw): New member function.
807         * tree-ssa-scopedtables.c
808         (const_and_copies::record_const_or_copy_raw): New, factored out of
809         (const_and_copies::record_const_or_copy): Call new member function.
811 2016-02-05  Jeff Law  <law@redhat.com>
813         PR tree-optimization/68541
814         * gimple-ssa-split-paths.c: Include tree-cfg.h and params.h.
815         (count_stmts_in_block): New function.
816         (poor_ifcvt_candidate_code): Likewise.
817         (is_feasible_trace): Add some heuristics to determine when path
818         splitting is profitable.
819         (find_block_to_duplicate_for_splitting_paths): Make sure the graph
820         is a diamond with a single exit.
822 2016-02-05  Martin Sebor  <msebor@redhat.com>
824         PR c++/69662
825         * doc/invoke.texi: Update -Wplacement-new to take an optional
826         argument.
828 2016-02-06  Richard Henderson  <rth@redhat.com>
830         PR c/69643
831         * tree.c (tree_nop_conversion_p): Do not strip casts into or
832         out of non-standard address spaces.
834 2016-02-05  Jakub Jelinek  <jakub@redhat.com>
836         PR rtl-optimization/69691
837         * lra-eliminations.c (move_plus_up): Don't add the addend twice.
839 2016-02-05  Pat Haugen  <pthaugen@us.ibm.com>
841         * config/rs6000/crypto.md (crypto_vpermxor_<mode>): Correct insn type.
842         * config/rs6000/rs6000.md (mov<mode>_hardfloat): Likewise.
843         (*ieee128_mfvsrd_64bit): Likewise.
844         (*ieee128_mfvsrd_32bit): Likewise.
846 2016-02-05  Ilya Enkovich  <enkovich.gnu@gmail.com>
848         PR target/69369
849         Revert r232560:
850         2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
852         * cgraphunit.c (cgraph_node::reset): Clear thunk info and
853         instrumented_version.
855 2016-01-05  Jeremy Bennett  <jeremy.bennett@embecosm.com>
857         * doc/invoke.texi (Optimize Options): In table of --param options
858         rename second occurrence of tracer-min-branch-ratio to
859         tracer-min-branch-probability, rename
860         tracer-min-branch-ratio-feedback to
861         tracer-min-branch-probability-feedback and clarify description,
862         rename sched-spec-state-edge-prob-cutoff to
863         sched-state-edge-prob-cutoff, rename selsched-max-insns-to-rename
864         to selsched-insns-to-rename, rename lto-minpartition to
865         lto-min-partition, delete reorder-blocks-duplicate and
866         reorder-blocks-duplicate-feedback.
868 2016-02-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
870         * config/s390/s390.c (s390_register_info_set_ranges): Remove
871         superfluous loops.
873 2016-02-05  Dominik Vogt  <vogt@linux.vnet.ibm.com>
875         * doc/extend.texi: S/390: Correct some typos.
877 2016-02-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
879         * config/s390/s390.c (s390_emit_call): Add missing 64 bit check.
881 2016-02-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
883         PR target/69625
884         * config/s390/s390.c (SAVE_SLOT_NONE, SAVE_SLOT_STACK): New defines.
885         (s390_register_info_gprtofpr): Use new macros above.
886         (s390_register_info_stdarg_fpr): Adjust max_fpr to better match
887         its name.
888         (s390_register_info_stdarg_gpr): Adjust max_gpr to better match
889         its name.  Adjust restore and save gpr ranges.
890         (s390_register_info_set_ranges): New function.
891         (s390_register_info): Use new macros above.  Call
892         s390_register_info_set_ranges.
893         (s390_optimize_register_info): Likewise.
894         (s390_hard_regno_rename_ok): Use new macros.
895         (s390_hard_regno_scratch_ok): Likewise.
896         (s390_emit_epilogue): Likewise.
897         (s390_can_use_return_insn): Likewise.
898         (s390_optimize_prologue): Likewise.
899         * config/s390/s390.md (GPR2_REGNUM, GPR6_REGNUM): New constants.
901 2016-02-05  Jakub Jelinek  <jakub@redhat.com>
903         PR bootstrap/69677
904         * config/i386/i386.c (convert_scalars_to_vector): Readd stack
905         alignment fixes.
906         (ix86_option_override_internal): Disable TARGET_STV even for
907         -m{incoming,preferred}-stack-boundary=3.
909 2016-02-03  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
911         * config.gcc: Mark deprecated rtems targets as obsolete.
913 2016-02-04  Segher Boessenkool  <segher@kernel.crashing.org>
915         PR rtl-optimization/64682
916         PR rtl-optimization/69567
917         * combine.c (distribute_notes) <REG_DEAD>: Place the death note
918         before I2 only if the register is both used and set in I2.
920 2016-02-04  DJ Delorie  <dj@redhat.com>
922         * config/msp430/msp430.c (msp430_start_function): Add function type.
924 2016-02-04  Jakub Jelinek  <jakub@redhat.com>
926         PR fortran/69368
927         * tree-dfa.c (get_ref_base_and_extent): Remove unreachable code.
929 2016-02-04  Uros Bizjak  <ubizjak@gmail.com>
931         PR rtl-optimization/69577
932         Revert:
933         2015-10-29  Richard Henderson  <rth@redhat.com>
935         PR target/68124
936         PR rtl-opt/67609
937         * config/i386/i386.c (ix86_cannot_change_mode_class): Tighten
938         sse check to the exact conditions of PR 67609.
940 2016-02-04  Michael Meissner  <meissner@linux.vnet.ibm.com>
942         PR target/69667
943         * config/rs6000/rs6000.md (mov<mode>_64bit_dm): Use 'd' constraint
944         instead of 'ws', and 'wh' instead of 'wm' since TFmode/IFmode are
945         not allowed into the traditional Altivec registers.
946         (movtd_64bit_nodm): Likewise.
947         (mov<mode>_32bit, FMOVE128_FPR iterator): Likewise.
949 2016-02-04  David Malcolm  <dmalcolm@redhat.com>
951         * config/aarch64/cortex-a57-fma-steering.c
952         (aarch64_register_fma_steering): Remove "static" from arguments
953         to register_pass.
955 2016-02-04  Wilco Dijkstra  <wdijkstr@arm.com>
957         PR target/69619
958         * ccmp.c (expand_ccmp_expr_1): Avoid evaluating gs0/gs1
959         twice when complex.
961 2016-02-04  Mike Frysinger  <vapier@gentoo.org>
963         * doc/invoke.texi: Delete -mno-fma4.
965 2016-02-04  Richard Sandiford  <richard.sandiford@arm.com>
967         PR rtl-optimization/69577
968         * reginfo.c (record_subregs_of_mode): Add a partial_def parameter.
969         (find_subregs_of_mode): Update accordingly.  Iterate over partial
970         definitions.
972 2016-02-04  Alan Lawrence  <alan.lawrence@arm.com>
974         * config/arm/arm-protos.h (neon_reinterpret): Remove.
975         * config/arm/arm.c (neon_reinterpret): Remove.
976         * config/arm/arm_neon_builtins.def (vreinterpretv8qi, vreinterpretv4hi,
977         vreinterpretv2si, vreinterpretv2sf, vreinterpretdi, vreinterpretv16qi,
978         vreinterpretv8hi, vreinterpretv4si, vreinterpretv4sf, vreinterpretv2di,
979         vreinterpretti): Remove.
980         * config/arm/neon.md (neon_vreinterpretv8qi<mode>,
981         neon_vreinterpretv4hi<mode>, neon_vreinterpretv2si<mode>,
982         neon_vreinterpretv2sf<mode>, neon_vreinterpretdi<mode>,
983         neon_vreinterpretti<mode>, neon_vreinterpretv16qi<mode>,
984         neon_vreinterpretv8hi<mode>, neon_vreinterpretv4si<mode>,
985         neon_vreinterpretv4sf<mode>, neon_vreinterpretv2di<mode>): Remove.
986         * config/arm/arm_neon.h (vreinterpret_p8_p16, vreinterpret_p8_f32,
987         vreinterpret_p8_p64, vreinterpret_p8_s64, vreinterpret_p8_u64,
988         vreinterpret_p8_s8, vreinterpret_p8_s16, vreinterpret_p8_s32,
989         vreinterpret_p8_u8, vreinterpret_p8_u16, vreinterpret_p8_u32,
990         vreinterpret_p16_p8, vreinterpret_p16_f32, vreinterpret_p16_p64,
991         vreinterpret_p16_s64, vreinterpret_p16_u64, vreinterpret_p16_s8,
992         vreinterpret_p16_s16, vreinterpret_p16_s32, vreinterpret_p16_u8,
993         vreinterpret_p16_u16, vreinterpret_p16_u32, vreinterpret_f32_p8,
994         vreinterpret_f32_p16, vreinterpret_f32_p64, vreinterpret_f32_s64,
995         vreinterpret_f32_u64, vreinterpret_f32_s8, vreinterpret_f32_s16,
996         vreinterpret_f32_s32, vreinterpret_f32_u8, vreinterpret_f32_u16,
997         vreinterpret_f32_u32, vreinterpret_p64_p8, vreinterpret_p64_p16,
998         vreinterpret_p64_f32, vreinterpret_p64_s64, vreinterpret_p64_u64,
999         vreinterpret_p64_s8, vreinterpret_p64_s16, vreinterpret_p64_s32,
1000         vreinterpret_p64_u8, vreinterpret_p64_u16, vreinterpret_p64_u32,
1001         vreinterpret_s64_p8, vreinterpret_s64_p16, vreinterpret_s64_f32,
1002         vreinterpret_s64_p64, vreinterpret_s64_u64, vreinterpret_s64_s8,
1003         vreinterpret_s64_s16, vreinterpret_s64_s32, vreinterpret_s64_u8,
1004         vreinterpret_s64_u16, vreinterpret_s64_u32, vreinterpret_u64_p8,
1005         vreinterpret_u64_p16, vreinterpret_u64_f32, vreinterpret_u64_p64,
1006         vreinterpret_u64_s64, vreinterpret_u64_s8, vreinterpret_u64_s16,
1007         vreinterpret_u64_s32, vreinterpret_u64_u8, vreinterpret_u64_u16,
1008         vreinterpret_u64_u32, vreinterpret_s8_p8, vreinterpret_s8_p16,
1009         vreinterpret_s8_f32, vreinterpret_s8_p64, vreinterpret_s8_s64,
1010         vreinterpret_s8_u64, vreinterpret_s8_s16, vreinterpret_s8_s32,
1011         vreinterpret_s8_u8, vreinterpret_s8_u16, vreinterpret_s8_u32,
1012         vreinterpret_s16_p8, vreinterpret_s16_p16, vreinterpret_s16_f32,
1013         vreinterpret_s16_p64, vreinterpret_s16_s64, vreinterpret_s16_u64,
1014         vreinterpret_s16_s8, vreinterpret_s16_s32, vreinterpret_s16_u8,
1015         vreinterpret_s16_u16, vreinterpret_s16_u32, vreinterpret_s32_p8,
1016         vreinterpret_s32_p16, vreinterpret_s32_f32, vreinterpret_s32_p64,
1017         vreinterpret_s32_s64, vreinterpret_s32_u64, vreinterpret_s32_s8,
1018         vreinterpret_s32_s16, vreinterpret_s32_u8, vreinterpret_s32_u16,
1019         vreinterpret_s32_u32, vreinterpret_u8_p8, vreinterpret_u8_p16,
1020         vreinterpret_u8_f32, vreinterpret_u8_p64, vreinterpret_u8_s64,
1021         vreinterpret_u8_u64, vreinterpret_u8_s8, vreinterpret_u8_s16,
1022         vreinterpret_u8_s32, vreinterpret_u8_u16, vreinterpret_u8_u32,
1023         vreinterpret_u16_p8, vreinterpret_u16_p16, vreinterpret_u16_f32,
1024         vreinterpret_u16_p64, vreinterpret_u16_s64, vreinterpret_u16_u64,
1025         vreinterpret_u16_s8, vreinterpret_u16_s16, vreinterpret_u16_s32,
1026         vreinterpret_u16_u8, vreinterpret_u16_u32, vreinterpret_u32_p8,
1027         vreinterpret_u32_p16, vreinterpret_u32_f32, vreinterpret_u32_p64,
1028         vreinterpret_u32_s64, vreinterpret_u32_u64, vreinterpret_u32_s8,
1029         vreinterpret_u32_s16, vreinterpret_u32_s32, vreinterpret_u32_u8,
1030         vreinterpret_u32_u16, vreinterpretq_p8_p16, vreinterpretq_p8_f32,
1031         vreinterpretq_p8_p64, vreinterpretq_p8_p128, vreinterpretq_p8_s64,
1032         vreinterpretq_p8_u64, vreinterpretq_p8_s8, vreinterpretq_p8_s16,
1033         vreinterpretq_p8_s32, vreinterpretq_p8_u8, vreinterpretq_p8_u16,
1034         vreinterpretq_p8_u32, vreinterpretq_p16_p8, vreinterpretq_p16_f32,
1035         vreinterpretq_p16_p64, vreinterpretq_p16_p128, vreinterpretq_p16_s64,
1036         vreinterpretq_p16_u64, vreinterpretq_p16_s8, vreinterpretq_p16_s16,
1037         vreinterpretq_p16_s32, vreinterpretq_p16_u8, vreinterpretq_p16_u16,
1038         vreinterpretq_p16_u32, vreinterpretq_f32_p8, vreinterpretq_f32_p16,
1039         vreinterpretq_f32_p64, vreinterpretq_f32_p128, vreinterpretq_f32_s64,
1040         vreinterpretq_f32_u64, vreinterpretq_f32_s8, vreinterpretq_f32_s16,
1041         vreinterpretq_f32_s32, vreinterpretq_f32_u8, vreinterpretq_f32_u16,
1042         vreinterpretq_f32_u32, vreinterpretq_p64_p8, vreinterpretq_p64_p16,
1043         vreinterpretq_p64_f32, vreinterpretq_p64_p128, vreinterpretq_p64_s64,
1044         vreinterpretq_p64_u64, vreinterpretq_p64_s8, vreinterpretq_p64_s16,
1045         vreinterpretq_p64_s32, vreinterpretq_p64_u8, vreinterpretq_p64_u16,
1046         vreinterpretq_p64_u32, vreinterpretq_p128_p8, vreinterpretq_p128_p16,
1047         vreinterpretq_p128_f32, vreinterpretq_p128_p64, vreinterpretq_p128_s64,
1048         vreinterpretq_p128_u64, vreinterpretq_p128_s8, vreinterpretq_p128_s16,
1049         vreinterpretq_p128_s32, vreinterpretq_p128_u8, vreinterpretq_p128_u16,
1050         vreinterpretq_p128_u32, vreinterpretq_s64_p8, vreinterpretq_s64_p16,
1051         vreinterpretq_s64_f32, vreinterpretq_s64_p64, vreinterpretq_s64_p128,
1052         vreinterpretq_s64_u64, vreinterpretq_s64_s8, vreinterpretq_s64_s16,
1053         vreinterpretq_s64_s32, vreinterpretq_s64_u8, vreinterpretq_s64_u16,
1054         vreinterpretq_s64_u32, vreinterpretq_u64_p8, vreinterpretq_u64_p16,
1055         vreinterpretq_u64_f32, vreinterpretq_u64_p64, vreinterpretq_u64_p128,
1056         vreinterpretq_u64_s64, vreinterpretq_u64_s8, vreinterpretq_u64_s16,
1057         vreinterpretq_u64_s32, vreinterpretq_u64_u8, vreinterpretq_u64_u16,
1058         vreinterpretq_u64_u32, vreinterpretq_s8_p8, vreinterpretq_s8_p16,
1059         vreinterpretq_s8_f32, vreinterpretq_s8_p64, vreinterpretq_s8_p128,
1060         vreinterpretq_s8_s64, vreinterpretq_s8_u64, vreinterpretq_s8_s16,
1061         vreinterpretq_s8_s32, vreinterpretq_s8_u8, vreinterpretq_s8_u16,
1062         vreinterpretq_s8_u32, vreinterpretq_s16_p8, vreinterpretq_s16_p16,
1063         vreinterpretq_s16_f32, vreinterpretq_s16_p64, vreinterpretq_s16_p128,
1064         vreinterpretq_s16_s64, vreinterpretq_s16_u64, vreinterpretq_s16_s8,
1065         vreinterpretq_s16_s32, vreinterpretq_s16_u8, vreinterpretq_s16_u16,
1066         vreinterpretq_s16_u32, vreinterpretq_s32_p8, vreinterpretq_s32_p16,
1067         vreinterpretq_s32_f16, vreinterpretq_s32_f32, vreinterpretq_s32_p64,
1068         vreinterpretq_s32_p128, vreinterpretq_s32_s64, vreinterpretq_s32_u64,
1069         vreinterpretq_s32_s8, vreinterpretq_s32_s16, vreinterpretq_s32_u8,
1070         vreinterpretq_s32_u16, vreinterpretq_s32_u32, vreinterpretq_u8_p8,
1071         vreinterpretq_u8_p16, vreinterpretq_u8_f32, vreinterpretq_u8_p64,
1072         vreinterpretq_u8_p128, vreinterpretq_u8_s64, vreinterpretq_u8_u64,
1073         vreinterpretq_u8_s8, vreinterpretq_u8_s16, vreinterpretq_u8_s32,
1074         vreinterpretq_u8_u16, vreinterpretq_u8_u32, vreinterpretq_u16_p8,
1075         vreinterpretq_u16_p16, vreinterpretq_u16_f32, vreinterpretq_u16_p64,
1076         vreinterpretq_u16_p128, vreinterpretq_u16_s64, vreinterpretq_u16_u64,
1077         vreinterpretq_u16_s8, vreinterpretq_u16_s16, vreinterpretq_u16_s32,
1078         vreinterpretq_u16_u8, vreinterpretq_u16_u32, vreinterpretq_u32_p8,
1079         vreinterpretq_u32_p16, vreinterpretq_u32_f32, vreinterpretq_u32_p64,
1080         vreinterpretq_u32_p128, vreinterpretq_u32_s64, vreinterpretq_u32_u64,
1081         vreinterpretq_u32_s8, vreinterpretq_u32_s16, vreinterpretq_u32_s32,
1082         vreinterpretq_u32_u8, vreinterpretq_u32_u16): Rewrite using casts.
1084 2016-02-04  Martin Liska  <mliska@suse.cz>
1086         PR sanitizer/69276
1087         * asan.c (has_stmt_been_instrumented_p): Instrument gimple calls
1088         that are gimple_store_p.
1089         (maybe_instrument_call): Likewise.
1091 2016-02-04  Bin Cheng  <bin.cheng@arm.com>
1093         * config/aarch64/aarch64.c (aarch64_legitimize_address): Force
1094         register scaling out of memory reference and comment why.
1096 2016-02-04  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1098         PR target/65932
1099         PR target/67714
1100         * cse.c (cse_insn): Pass NULL to fold_rtx when initially
1101         folding the source of a SET.
1103 2016-02-04  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1105         PR target/65932
1106         PR target/67714
1107         * config/arm/arm.c (arm_new_rtx_costs, MULT case): Properly extract
1108         the operands of the SIGN_EXTENDs from a SMUL[TB][TB] rtx.
1110 2016-02-04  Jim Wilson  <jim.wilson@linaro.org>
1112         PR target/65932
1113         PR target/67714
1114         * config/arm/arm.h (PROMOTE_MODE): Don't set UNSIGNEDP for QImode and
1115         HImode.
1117 2016-02-04  Christian Bruel  <christian.bruel@st.com>
1119         * config/arm/arm-c.c (arm_reset_previous_fndecl): Style fix and typo.
1120         * config/arm/arm.c (arm_set_current_function): Likewise.
1122 2016-02-04  Jakub Jelinek  <jakub@redhat.com>
1123             Ilya Enkovich  <enkovich.gnu@gmail.com>
1124             H.J. Lu  <hongjiu.lu@intel.com>
1126         PR target/69454
1127         * config/i386/i386.c (convert_scalars_to_vector): Remove
1128         stack alignment fixes.
1129         (ix86_option_override_internal): Disable TARGET_STV if stack
1130         might not be aligned enough.
1131         (ix86_minimum_alignment): Assert that TARGET_STV is false.
1133 2016-02-04  Victoria Stepanyan  <victoria.stepanyan@amd.com>
1135         * gcc/config/i386/x86-tune.def: Disable default prefetching
1136         for -march=znver1.
1138 2016-02-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
1139             Vladimir Makarov  <vmakarov@redhat.com>
1141         PR target/69461
1142         * config/rs6000/rs6000.c (rs6000_legitimate_address_p): Fix thinko
1143         in validating fused toc addresses.
1145 2016-02-03  Jakub Jelinek  <jakub@redhat.com>
1147         PR c/69627
1148         * diagnostic-show-locus.c (layout::get_state_at_point): Don't read
1149         range->m_caret fields if range->m_show_caret_p is false.
1151         PR target/69644
1152         * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap):
1153         Force oldval into register if it does not satisfy reg_or_short_operand
1154         predicate.  Fix up formatting.
1156 2016-02-03  Vladimir Makarov  <vmakarov@redhat.com>
1157             Alexandre Oliva  <aoliva@redhat.com>
1159         PR target/69461
1160         * lra-constraints.c (simplify_operand_subreg): Check additionally
1161         address validity after potential reloading.
1162         (process_address_1): Check insns validity.  In case of failure do
1163         nothing.
1165 2016-02-03  Kirill Yukhin  <kirill.yukhin@intel.com>
1167         PR target/69118
1168         * config/i386/sse.md (define_insn "avx512f_maskcmp<mode>3"):
1169         Fix target.
1171 2016-02-02  Jakub Jelinek  <jakub@redhat.com>
1173         * wide-int.cc (canonize_uhwi): New function.
1174         (wi::divmod_internal): Use it.
1176 2016-02-02  James Norris  <jnorris@codesourcery.com
1178         * gimplify.c (omp_notice_variable): Add usage check.
1180 2016-02-02  Alexander Monakov  <amonakov@ispras.ru>
1182         * config/nvptx/nvptx.c (nvptx_print_operand): Treat LEU, GEU, LTU, GTU
1183         like LE, GE, LT, GT when emitting relational operator.
1185 2016-02-02  Wilco Dijkstra  <wdijkstr@arm.com>
1187         * ira-costs.c (find_costs_and_classes): Add extra argument.
1188         * target.def (ira_change_pseudo_allocno_class): Add parameter.
1189         * targhooks.h (ira_change_pseudo_allocno_class): Likewise.
1190         * targhooks.c (ira_change_pseudo_allocno_class): Likewise.
1191         * config/aarch64/aarch64.c (aarch64_ira_change_pseudo_allocno_class)
1192         Add best_class parameter, and return it if not ALL_REGS.
1193         * config/mips/mips.c (mips_ira_change_pseudo_allocno_class):
1194         Add parameter.
1195         * doc/tm.texi (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS):
1196         Update target hook.
1198 2016-02-02  Wilco Dijkstra  <wdijkstr@arm.com>
1200         * config/aarch64/aarch64.c
1201         (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS): New define.
1202         (aarch64_ira_change_pseudo_allocno_class): New function.
1204 2016-02-02  Uros Bizjak  <ubizjak@gmail.com>
1206         PR target/67032
1207         * config/i386/i386.c (geode_cost): Increase cost of MMX and SSE moves.
1209 2016-02-02  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
1211         * config/avr/avr.c (avr_option_override): Set
1212         PARAM_ALLOW_STORE_DATA_RACES to 1.
1214 2016-02-02  Richard Biener  <rguenther@suse.de>
1216         PR tree-optimization/69595
1217         * match.pd: Add range test simplifications to true/false.
1219 2016-02-02  Thomas Schwinge  <thomas@codesourcery.com>
1221         * omp-builtins.def (BUILT_IN_GOACC_HOST_DATA): Remove.
1222         * omp-low.c (expand_omp_target): Use BUILT_IN_GOACC_DATA_START
1223         instead.
1225 2016-02-02  Richard Biener  <rguenther@suse.de>
1227         PR tree-optimization/69606
1228         * tree-ssa-math-opts.c (bswap_replace): Clear flow sensitive
1229         info on the result before moving a stmt.
1231 2016-02-02  Yuri Rumyantsev  <ysrumyan@gmail.com>
1233         PR middle-end/68542
1234         * config/i386/i386.c (ix86_expand_branch): Add support for conditional
1235         branch with vector comparison.
1236         * config/i386/sse.md (VI48_AVX): New mode iterator.
1237         (define_expand "cbranch<mode>4): Add support for conditional branch
1238         with vector comparison.
1239         * tree-vect-loop.c (optimize_mask_stores): New function.
1240         * tree-vect-stmts.c (vectorizable_mask_load_store): Initialize
1241         has_mask_store field of vect_info.
1242         * tree-vectorizer.c (vectorize_loops): Invoke optimaze_mask_stores for
1243         vectorized loops having masked stores after vec_info destroy.
1244         * tree-vectorizer.h (loop_vec_info): Add new has_mask_store field and
1245         correspondent macros.
1246         (optimize_mask_stores): Add prototype.
1248 2016-02-02  Alan Modra  <amodra@gmail.com>
1250         PR target/69548
1251         * config/rs6000/predicates.md (quad_int_reg_operand): Don't
1252         allow subregs.
1254 2016-02-02  Alan Modra  <amodra@gmail.com>
1256         PR target/68662
1257         * config/rs6000/rs6000.c (need_toc_init): New var, set it
1258         whenever toc_label_name used.
1259         (rs6000_file_start): Don't set up toc section here,
1260         (rs6000_output_function_epilogue): do so here instead,
1261         (rs6000_xcoff_file_start): and here.
1262         * config/rs6000/rs6000.md (load_toc_aix_si): Set need_toc_init.
1263         (load_toc_aix_di): Likewise.
1265 2016-02-01  Jakub Jelinek  <jakub@redhat.com>
1267         PR rtl-optimization/69592
1268         * rtlanal.c (nonzero_bits_binary_arith_p): New inline function.
1269         (cached_nonzero_bits): Use it instead of ARITHMETIC_P.
1270         (num_sign_bit_copies_binary_arith_p): New inline function.
1271         (cached_num_sign_bit_copies): Use it instead of ARITHMETIC_P.
1273 2016-02-01  Jeff Law  <law@redhat.com>
1275         PR tree-optimization/69580
1276         * params.def (FSM_MAXIMUM_PHI_ARGUMENTS): New param.
1277         * tree-ssa-threadbackward.c
1278         (fsm_find_control_statement_thread_paths): Do not try to walk
1279         through large PHI nodes.
1281 2016-02-01  Jakub Jelinek  <jakub@redhat.com>
1283         * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Return false
1284         when count is incremented above limit, don't analyze further
1285         insns afterwards.
1287         * omp-low.c (oacc_parse_default_dims): Avoid
1288         -Wsign-compare warning, make sure value fits into int
1289         rather than just unsigned int.
1291 2016-02-01  Bin Cheng  <bin.cheng@arm.com>
1293         PR tree-optimization/67921
1294         * fold-const.c (split_tree): New parameters.  Convert pointer
1295         type variable part to proper type before negating.
1296         (fold_binary_loc): Pass new arguments to split_tree.
1298 2016-02-01  Nathan Sidwell  <nathan@codesourcery.com>
1300         * config/nvptx/nvptx.c (PTX_GANG_DEFAULT): New.
1301         (nvptx_goacc_validate_dims): Extend to handle global defaults.
1302         * target.def (OACC_VALIDATE_DIMS): Extend documentation.
1303         * doc/tm.texti: Rebuilt.
1304         * doc/invoke.texi (fopenacc-dim): Document.
1305         * lto-wrapper.c (merge_and_complain): Add OPT_fopenacc_dim_ case.
1306         (append_compiler_options): Likewise.
1307         * omp-low.c (oacc_default_dims, oacc_min_dims): New.
1308         (oacc_parse_default_dims): New.
1309         (oacc_validate_dims): Add USED arg.  Select non-unity default when
1310         possible.
1311         (oacc_loop_fixed_partitions): Return mask of used partitions.
1312         (oacc_loop_auto_partitions): Emit dump info.
1313         (oacc_loop_partition): Return mask of used partitions.
1314         (execute_oacc_device_lower): Parse default dimension arg.  Adjust
1315         loop partitioning and validation calls.
1317 2016-02-01  Richard Biener  <rguenther@suse.de>
1319         PR middle-end/69556
1320         * match.pd: Guard (C1/X)*C2 -> (C1*C2)/X with single_use.
1322 2016-02-01  Richard Biener  <rguenther@suse.de>
1324         PR tree-optimization/69574
1325         * tree-chrec.c (hide_evolution_in_other_loops_than_loop): Instead
1326         of asserting return chrec_dont_know.
1328 2016-02-01  Martin Liska  <mliska@suse.cz>
1330         * mem-stats-traits.h: Add copyright header.
1331         * mem-stats.h: Likewise.
1333 2016-02-01  Richard Biener  <rguenther@suse.de>
1335         PR tree-optimization/69579
1336         * tree-ssa-loop-ivcanon.c (propagate_constants_for_unrolling):
1337         Do not propagate through abnormal PHI results.
1339 2016-02-01  Eric Botcazou  <ebotcazou@adacore.com>
1341         * postreload.c (reload_cse_simplify): Remove dead code.
1343 2016-02-01  Jakub Jelinek  <jakub@redhat.com>
1345         PR rtl-optimization/69570
1346         * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Return true only
1347         if there is more than one set, not if there is a single set.
1349 2016-02-01  Richard Henderson  <rth@redhat.com>
1351         PR rtl-opt/69535
1352         * combine.c (make_compound_operation): When looking through a
1353         subreg, make sure to re-extend to the width of the outer mode.
1355 2016-01-30  Jakub Jelinek  <jakub@redhat.com>
1357         PR tree-optimization/69546
1358         * wide-int.cc (wi::divmod_internal): For unsigned division
1359         where both operands fit into uhwi, if o1 is 1 and o0 has
1360         msb set, if divident_prec is larger than bits per hwi,
1361         clear another quotient word and return 2 instead of 1.
1362         Similarly for remainder with msb in HWI set, if dividend_prec
1363         is larger than bits per hwi.
1365 2016-01-29  Martin Jambor  <mjambor@suse.cz>
1367         * hsa-gen.c (get_memory_order_name): Mask with MEMMODEL_BASE_MASK.
1368         Use short lowercase names.
1369         (get_memory_order): Mask with MEMMODEL_BASE_MASK.  Support
1370         MEMMODEL_CONSUME with acquire semantics and MEMMODEL_SEQ_CST with
1371         acq_rel one.  Protect warning agains segfaults if
1372         get_memory_order_name returns NULL.
1373         (gen_hsa_ternary_atomic_for_builtin): Support with MEMMODEL_SEQ_CST
1374         with release semantics.  Do not warn if get_memory_order already did.
1375         (gen_hsa_insns_for_call): Support with MEMMODEL_SEQ_CST with acquire
1376         semantics.  Fix check for relaxed or acquire semantics.  Do not warn
1377         if get_memory_order already did.
1379 2016-01-29  Sebastian Pop  <s.pop@samsung.com>
1381         * doc/install.texi: Document that isl-0.16 is supported.
1383 2016-01-29  Vladimir Makarov  <vmakarov@redhat.com>
1385         PR target/69299
1386         * config/i386/constraints.md (Bm): Describe as special memory
1387         constraint.
1388         * doc/md.texi (DEFINE_SPECIAL_MEMORY_CONSTRAINT): Describe it.
1389         * genoutput.c (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
1390         * genpreds.c (struct constraint_data): Add is_special_memory.
1391         (have_special_memory_constraints, special_memory_start): New
1392         static vars.
1393         (special_memory_end): Ditto.
1394         (add_constraint): Add new arg is_special_memory.  Add code to
1395         process its true value.  Update have_special_memory_constraints.
1396         (process_define_constraint): Pass the new arg.
1397         (process_define_register_constraint): Ditto.
1398         (choose_enum_order): Process special memory.
1399         (write_tm_preds_h): Generate enum const CT_SPECIAL_MEMORY and
1400         function insn_extra_special_memory_constraint.
1401         (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
1402         * gensupport.c (process_rtx): Process
1403         DEFINE_SPECIAL_MEMORY_CONSTRAINT.
1404         * ira-costs.c (record_reg_classes): Process CT_SPECIAL_MEMORY.
1405         * ira-lives.c (single_reg_class): Use
1406         insn_extra_special_memory_constraint.
1407         * ira.c (ira_setup_alts): Process CT_SPECIAL_MEMORY.
1408         * lra-constraints.c (process_alt_operands): Ditto.
1409         (curr_insn_transform): Use insn_extra_special_memory_constraint.
1410         * recog.c (asm_operand_ok, preprocess_constraints): Process
1411         CT_SPECIAL_MEMORY.
1412         * reload.c (find_reloads): Ditto.
1413         * rtl.def (DEFINE_SPECIFAL_MEMORY_CONSTRAINT): New.
1414         * stmt.c (parse_input_constraint): Use
1415         insn_extra_special_memory_constraint.
1417 2016-01-29  H.J. Lu  <hongjiu.lu@intel.com>
1419         PR target/69530
1420         * lra-splill.c (lra_final_code_change): Revert r229087 by
1421         removing all sub-registers.
1423 2016-01-29  Steve Ellcey  <sellcey@imgtec.com>
1425         PR target/65604
1426         * config/mips/mips.c (mips_output_division): Check flag_delayed_branch.
1428 2016-01-29  Jakub Jelinek  <jakub@redhat.com>
1430         PR target/69551
1431         * config/i386/i386.c (ix86_expand_vector_set) <case V4SImode>: For
1432         SSE1, copy target into the temporary reg first before recursing
1433         on it.
1435 2016-01-29  H.J. Lu  <hongjiu.lu@intel.com>
1437         * config/i386/sse.md (sse2_cvtps2pd<mask_name>): Replace vBm
1438         with vm.
1440 2016-01-29  Jonathan Wakely  <jwakely@redhat.com>
1442         * ginclude/stdarg.h: Test __cplusplus instead of
1443         __GXX_EXPERIMENTAL_CXX0X__.
1445 2016-01-29  Richard Biener  <rguenther@suse.de>
1447         PR tree-optimization/69547
1448         * tree-ssa-dce.c (mark_aliased_reaching_defs_necessary_1):
1449         Do not mark clobbers necessary.
1450         (mark_all_reaching_defs_necessary_1): Likewise.
1452 2016-01-29  Dominik Vogt  <vogt@linux.vnet.ibm.com>
1454         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Format
1455         declaration name with %qs and print it in both error messages.
1456         Also fix indentation.
1458 2016-01-29  Dominik Vogt  <vogt@linux.vnet.ibm.com>
1460         PR other/69006
1461         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Remove
1462         trailing blank line from error message.
1464 2016-01-29  Jonathan Wakely  <jwakely@redhat.com>
1466         PR c++/69462
1467         * ginclude/float.h: Also provide FLT_EVAL_METHOD and DECIMAL_DIG
1468         for C++-11.
1470 2016-01-29  Richard Biener  <rguenther@suse.de>
1472         PR middle-end/69537
1473         * match.pd: Allow all integral types when simplifying a
1474         widening or sign-changing conversion.
1476 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
1478         * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Revert assert
1479         back to setting codegen_error to fail codegen.
1481 2016-01-28  Uros Bizjak  <ubizjak@gmail.com>
1483         PR target/69459
1484         * config/i386/constraints.md (C): Only accept constant zero operand.
1485         (BC): New constraint.
1486         * config/i386/sse.md (*mov<mode>_internal): Use BC constraint
1487         instead of C constraint.
1488         * doc/md.texi (Machine Constraints): Update description
1489         of C constraint.
1491 2016-01-28  Steve Ellcey  <sellcey@imgtec.com>
1493         PR target/68400
1494         * config/mips/mips.c (and_operands_ok): Add MIPS16 check.
1496 2016-01-28  Jakub Jelinek  <jakub@redhat.com>
1498         PR middle-end/69542
1499         * lra-remat.c (calculate_local_reg_remat_bb_data): Only consider
1500         non-debug insns.
1502 2016-01-28  Pat Haugen  <pthaugen@us.ibm.com>
1504         * config/rs6000/rs6000.c (output_cbranch): Don't statically predict
1505         branches if using guessed profile.
1507 2016-01-28  H.J. Lu  <hongjiu.lu@intel.com>
1509         * graphite-optimize-isl.c (optimize_isl): Fix dump.
1511 2016-01-28  Richard Henderson  <rth@redhat.com>
1513         PR target/69305
1514         * config/aarch64/aarch64-modes.def (CC_Cmode): New
1515         * config/aarch64/aarch64-protos.h: Update.
1516         * config/aarch64/aarch64.c (aarch64_zero_extend_const_eq): New.
1517         (aarch64_select_cc_mode): Add check for use of CC_Cmode.
1518         (aarch64_get_condition_code_1): Handle CC_Cmode.
1519         * config/aarch64/aarch64.md (addti3): Use adddi3_compareC.
1520         (*add<mode>3_compareC_cconly_imm): New.
1521         (*add<mode>3_compareC_cconly): New.
1522         (*add<mode>3_compareC_imm): New.
1523         (add<mode>3_compareC): New.
1524         (add<mode>3_carryin, *addsi3_carryin_uxtw): Sort compare operand
1525         to be first.  Use aarch64_carry_operation.
1526         (*add<mode>3_carryin_alt1, *addsi3_carryin_alt1_uxtw): Remove.
1527         (*add<mode>3_carryin_alt2, *addsi3_carryin_alt2_uxtw): Remove.
1528         (*add<mode>3_carryin_alt3, *addsi3_carryin_alt3_uxtw): Remove.
1529         (subti3): Use subdi3_compare1.
1530         (*sub<mode>3_compare0): Rename from sub<mode>3_compare0.
1531         (sub<mode>3_compare1): New.
1532         (*sub<mode>3_carryin0, *subsi3_carryin_uxtw): New.
1533         (*sub<mode>3_carryin): Use aarch64_borrow_operation.
1534         (*subsi3_carryin_uxtw): Likewise.
1535         (*ngc<mode>, *ngcsi_uxtw): Likewise.
1536         (*sub<mode>3_carryin_alt, *subsi3_carryin_alt_uxtw): New.
1537         * config/aarch64/iterators.md (DWI): New.
1538         * config/aarch64/predicates.md (aarch64_carry_operation): New.
1539         (aarch64_borrow_operation): New.
1541 2016-01-28  Abderrazek Zaafrani  <a.zaafrani@samsung.com>
1543         * graphite-optimize-isl.c (optimize_isl): Print a different debug
1544         message when isl does not return a valid schedule.
1546 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
1548         * graphite-isl-ast-to-gimple.c (class translate_isl_ast_to_gimple):
1549         Remove comments from class declarations: they are already in the code
1550         close by the defs.
1552 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
1554         * graphite-isl-ast-to-gimple.c (binary_op_to_tree): Call
1555         codegen_error_p.
1556         (ternary_op_to_tree): Same.
1557         (unary_op_to_tree): Same.
1558         (nary_op_to_tree): Same.
1559         (gcc_expression_from_isl_expr_op): Same.
1560         (gcc_expression_from_isl_expression): Same.
1561         (graphite_create_new_loop): Same.
1562         (graphite_create_new_loop_guard): Same.
1563         (build_iv_mapping): Same.
1564         (graphite_create_new_guard): Same.
1565         (translate_isl_ast_to_gimple::copy_loop_phi_nodes): Same.
1566         (translate_isl_ast_to_gimple::translate_pending_phi_nodes): Same.
1568 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
1570         * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Assert
1571         instead of setting codegen_error to fail codegen.
1573 2016-01-28  Jason Merrill  <jason@redhat.com>
1575         * tree.h (BINFO_FLAG_0): Rename from BINFO_MARKED.
1577 2016-01-28  Wilco Dijkstra  <wdijkstr@arm.com>
1579         * config/aarch64/aarch64.c (aarch64_if_then_else_costs):
1580         Remove CONST_INT_P check in CCMP cost calculation.
1582 2016-01-28  Wilco Dijkstra  <wdijkstr@arm.com>
1584         * config/aarch64/aarch64.c (generic_vector_cost):
1585         Set vec_permute_cost.
1586         (cortexa57_vector_cost): Likewise.
1587         (exynosm1_vector_cost): Likewise.
1588         (xgene1_vector_cost): Likewise.
1589         (aarch64_builtin_vectorization_cost): Use vec_permute_cost.
1590         * config/aarch64/aarch64-protos.h (cpu_vector_cost):
1591         Add vec_permute_cost entry.
1593 2016-01-28  Wilco Dijkstra  <wdijkstr@arm.com>
1595         * config/aarch64/aarch64.md (ccmp<mode>): Disassemble
1596         immediate as %1.
1597         (add<mode>3_compare0): Likewise.
1598         (addsi3_compare0_uxtw): Likewise.
1599         (add<mode>3nr_compare0): Likewise.
1600         (compare_neg<mode>): Likewise.
1601         (<optab><mode>3): Likewise.
1603 2016-01-28  Ilya Enkovich  <enkovich.gnu@gmail.com>
1605         * tree-vect-stmts.c (vectorizable_comparison): Add
1606         NULL check for vectype.
1608 2016-01-28  Richard Biener  <rguenther@suse.de>
1610         PR tree-optimization/69466
1611         * tree-vect-loop-manip.c (slpeel_duplicate_current_defs_from_edges):
1612         Account for PHIs we couldn't duplicate.
1614 2016-01-28  Martin Liska  <mliska@suse.cz>
1616         PR pch/68758
1617         * ggc-common.c (gt_pch_save): Use ENABLE_VALGRIND_ANNOTATIONS macro
1618         instead of ENABLE_VALGRIND_CHECKING.
1620 2016-01-27  Richard Henderson  <rth@redhat.com>
1622         PR rtl-opt/69447
1623         * lra-remat.c (subreg_regs): New.
1624         (dump_candidates_and_remat_bb_data): Dump it.
1625         (operand_to_remat): Reject if operand in subreg_regs.
1626         (set_bb_regs): Collect subreg_regs.
1627         (lra_remat): Init and free subreg_regs.  Compute
1628         calculate_local_reg_remat_bb_data before create_cands.
1630 2016-01-27  H.J. Lu  <hongjiu.lu@intel.com>
1632         PR target/68986
1633         * config/i386/i386.c (ix86_update_stack_boundary): Don't
1634         change stack_alignment_needed for __tls_get_addr call.
1636 2016-01-27  Segher Boessenkool  <segher@kernel.crashing.org>
1638         * config/rs6000/rs6000.c (print_operand): Rollback 's' removal.
1640 2016-01-27  Jeff Law  <law@redhat.com>
1642         PR tree-optimization/68398
1643         PR tree-optimization/69196
1644         * params.def (PARAM_FSM_SCALE_PATH_STMTS): New parameter.
1645         (PARAM_FSM_SCALE_PATH_BLOCKS): Likewise.
1646         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
1647         Only count PHIs in the last block in the path.  The others will
1648         const/copy propagate away.  Add heuristic to allow more irreducible
1649         subloops to be created when it is likely profitable to do so.
1651         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
1652         Fix typo in comment.  Use gsi_after_labels and remove the GIMPLE_LABEL
1653         check from within the loop.  Use gsi_next_nondebug rather than gsi_next.
1655 2016-01-27  Jakub Jelinek  <jakub@redhat.com>
1657         PR lto/69254
1658         * sanitizer.def: Add BEGIN_SANITIZER_BUILTINS and
1659         END_SANITIZER_BUILTINS markers using DEF_BUILTIN_STUB.
1660         * asan.c (DEF_BUILTIN_STUB): Temporarily define.
1661         * tree-streamer-in.c: Include asan.h.
1662         (streamer_get_builtin_tree): For builtins in sanitizer
1663         range call initialize_sanitizer_builtins and retry.
1665 2016-01-27  Ian Lance Taylor  <iant@google.com>
1667         * common.opt (fkeep-gc-roots-live): New undocumented option.
1668         * tree-ssa-loop-ivopts.c (add_candidate_1): If
1669         -fkeep-gc-roots-live, skip pointers.
1670         (add_iv_candidate_for_biv): Handle add_candidate_1 returning
1671         NULL.
1673 2016-01-27  Uros Bizjak  <ubizjak@gmail.com>
1675         PR target/69512
1676         * config/i386/i386.md (*zext<mode>_doubleword_and): New pattern.
1677         (*zext<mode>_doubleword): Disable for TARGET_ZERO_EXTEND_WITH_AND.
1679 2016-01-27  Thomas Klausner  <wiz@NetBSD.org>
1681         PR target/68380
1682         * configure.ac: NetBSD provides SSP in its C library.
1683         * configure: Updated.
1685 2016-01-27  Richard Biener  <rguenther@suse.de>
1687         PR tree-optimization/69166
1688         * tree-vect-loop.c (vect_is_simple_reduction): Always check
1689         reduction code for commutativity / associativity.
1691 2016-01-27  Martin Jambor  <mjambor@suse.cz>
1693         PR tree-optimization/69355
1694         * tree-sra.c (analyze_access_subtree): Correct hole detection when
1695         total_scalarization fails.
1697 2016-01-27  David Edelsohn  <dje.gcc@gmail.com>
1699         * config/rs6000/driver-rs6000.c (detect_processor_aix): Add
1700         power9.
1702 2016-01-27  Christian Bruel  <christian.bruel@st.com>
1704         PR target/69245
1705         * config/arm/arm-c.c (arm_pragma_target_parse): Add comments.
1706         Move arm_reset_previous_fndecl and set_target_option_current_node in
1707         the conditional part.  Call save_restore_target_globals.
1708         * config/arm/arm.c (arm_set_current_function):
1709         Refactor to better support #pragma target and attribute mix.
1710         Call save_restore_target_globals.
1711         * config/arm/arm-protos.h (save_restore_target_globals): New function.
1713 2016-01-27  Martin Liska  <mliska@suse.cz>
1715         * hsa.c (hsa_summary_t::link_functions): Create IPA_REF_ADDR
1716         reference for an HSA kernel and its host function.
1718 2016-01-27  Jakub Jelinek  <jakub@redhat.com>
1720         PR tree-optimization/69399
1721         * wide-int.h (wi::lrshift): For larger precisions, only
1722         use fast path if shift is known to be < HOST_BITS_PER_WIDE_INT.
1724 2016-01-27  Claudiu Zissulescu  <claziss@synopsys.com>
1726         * config/arc/predicates.md (proper_comparison_operator): Reject
1727         constant-constant comparison.
1729 2016-01-26  Tom de Vries  <tom@codesourcery.com>
1731         PR tree-optimization/69110
1732         * tree-data-ref.c (initialize_data_dependence_relation): Handle
1733         DR_NUM_DIMENSIONS == 0.
1735 2016-01-26  Abderrazek Zaafrani  <a.zaafrani@samsung.com>
1736             Sebastian Pop  <s.pop@samsung.com>
1738         * graphite-isl-ast-to-gimple.c (ternary_op_to_tree): Handle
1739         isl_ast_op_cond and isl_ast_op_select.
1740         (gcc_expression_from_isl_expr_op): Same.
1742 2016-01-26  Jason Merrill  <jason@redhat.com>
1744         PR c++/68782
1745         * tree.c (recompute_constructor_flags): Split out from
1746         build_constructor.
1747         (verify_constructor_flags): New.
1748         * tree.h: Declare them.
1750 2016-01-26  Iain Buclaw  <ibuclaw@gdcproject.org>
1752         PR rtl-optimization/69217
1753         * var-tracking.c (tracked_record_parameter_p): Don't segfault if there
1754         are no TYPE_FIELDS set for the record type.
1756 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
1758         PR target/68662
1759         * config/rs6000/rs6000.c (rs6000_option_override_internal): Initialize
1760         toc_label_name unconditionally.
1761         (rs6000_emit_load_toc_table): Call ggc_strdup on toc_label_name for
1762         SYMBOL_REF string.  Use toc_label_name instead of constructing
1763         LCTOC1.
1764         (rs6000_elf_declare_function_name): Use toc_label_name instead of
1765         constructing LCTOC1.
1767 2016-01-26  Martin Sebor  <msebor@redhat.com>
1769         PR other/69477
1770         * doc/extend.texi (Common Type Attributes): Move text that talks about
1771         attribute packed from attribute aligned to the section discussing
1772         the former attribute for clarity.
1774 2016-01-26  Richard Henderson  <rth@redhat.com>
1776         PR middle-end/60908
1777         * trans-mem.c (tm_region_init): Mark entry block as visited.
1779 2016-01-26  David Malcolm  <dmalcolm@redhat.com>
1781         PR other/69006
1782         * diagnostic-show-locus.c (layout::print_source_line): Replace
1783         call to pp_newline with call to layout::print_newline.
1784         (layout::print_annotation_line): Likewise.
1785         (layout::move_to_column): Likewise.
1786         (layout::print_any_fixits): After printing any fixits, print a
1787         trailing newline, if necessary.
1788         (layout::print_newline): New method, resetting any colorization
1789         before a newline.
1790         (diagnostic_show_locus): Move the pp_newline to before the
1791         early bailout.  Remove dummy block enclosing the layout instance.
1792         * diagnostic.c (default_diagnostic_finalizer): Replace invocation
1793         of pp_newline_and_flush with pp_flush.
1794         (diagnostic_append_note): Delete use of pp_newline.
1795         (diagnostic_append_note_at_rich_loc): Delete.
1796         * diagnostic.h (diagnostic_append_note_at_rich_loc): Delete.
1797         * pretty-print.h (output_buffer_append_r): Reset buff->line_length
1798         when newline characters are added to the buffer.
1800 2016-01-26  Michael Matz  <matz@suse.de>
1802         * configure.ac (ac_cv_std_swap_in_utility): New test.
1803         * system.h (<algorithm>): Check HAVE_SWAP_IN_UTILITY as well.
1804         * configure: Regenerate.
1805         * config.in: Regenerate.
1807 2016-01-26  Claudiu Zissulescu  <claziss@synopsys.com>
1809         * config/arc/arc.md (cstoresi4): Force operand into register.
1810         (arcset<code>): Fix predicate.
1811         (arcsetltu): Likewise.
1812         (arcsetgeu): Likewise.
1813         (arcsethi): Likewise.
1814         (arcsetls): Likewise.
1816 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
1818         PR tree-optimization/69483
1819         * gimple-fold.c (canonicalize_constructor_val): Return NULL
1820         if base has error_mark_node type.
1822 2016-01-26  Christophe Lyon  <christophe.lyon@linaro.org>
1824         PR target/68620
1825         * config/arm/arm.c (neon_valid_immediate): Handle FP16 vectors.
1826         * config/arm/arm_neon.h (__ARM_NUM_LANES, __arm_lane, arm_lanq):
1827         New helper macros.
1828         (vget_lane_f16): Handle big-endian.
1829         (vgetq_lane_f16): Likewise.
1830         (vset_lane_f16): Likewise.
1831         (vsetq_lane_f16): Likewise.
1832         * config/arm/iterators.md (VQXMOV): Add V8HF.
1833         (VDQ): Add V4HF and V8HF.
1834         (V_reg): Handle V4HF and V8HF.
1835         (Is_float_mode): Likewise.
1836         * config/arm/neon.md (movv4hf, movv8hf, neon_vdup_nv4hf,
1837         neon_vdup_nv8hf): New patterns.
1838         (vec_set<mode>_internal, vec_extract<mode>, neon_vld1_dup<mode>):
1839         Use VD_LANE iterator.
1840         (neon_vld1_dup<mode>): Use VQ2 iterator.
1842 2016-01-26  Nathan Sidwell  <nathan@acm.org>
1844         * omp-low.h (oacc_fn_attrib_kernels_p): Declare.
1845         (set_oacc_fn_attrib): Add IS_KERNEL arg.
1846         * omp-low.c (set_oacc_fn_attrib): Add IS_KERNEL arg.
1847         (oacc_fn_attrib_kernels_p, oacc_fn_attrib_level): New.
1848         (expand_omp_target): Pass is_kernel to set_oacc_fn_attrib.
1849         (oacc_validate_dims): Add LEVEL arg, don't return level.
1850         (new_oacc_loop_routine): Use oacc_fn_attrib_level, not
1851         oacc_validate_dims.
1852         (execute_oacc_device_lower): Adjust, add more dump output.
1853         * tree-ssa-loop.c (gate_oacc_kernels): Use
1854         oacc_fn_attrib_kernels_p.
1855         * tree-parloops.c (create_parallel_loop): Adjust
1856         set_oacc_fn_attrib call.
1858 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
1860         PR lto/69254
1861         * lto-wrapper.c (merge_and_complain): Handle -fcilkplus.
1862         (append_compiler_options): Handle -fcilkplus.
1863         (append_linker_options): Ignore -fno-{openmp,openacc,cilkplus}.
1865 2016-01-26  Nick Clifton  <nickc@redhat.com>
1867         PR target/66655
1868         * config/i386/winnt.c (i386_pe_binds_local_p): If a function has
1869         been marked as DECL_ONE_ONLY but we do not the means to make it
1870         so, then do not allow it to bind locally.
1872 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
1874         PR lto/69254
1875         * opts.h (parse_sanitizer_options): New prototype.
1876         * opts.c (sanitizer_opts): New array.
1877         (parse_sanitizer_options): New function.
1878         (common_handle_option): Use parse_sanitizer_options.
1880 2016-01-26  H.J. Lu  <hongjiu.lu@intel.com>
1882         PR target/68986
1883         * config/i386/i386.c (ix86_compute_frame_layout): Move stack
1884         alignment adjustment to ...
1885         (ix86_update_stack_boundary): Here.  Don't over-align stack for
1886         __tls_get_addr.
1887         (ix86_finalize_stack_realign_flags): Use stack_alignment_needed
1888         if __tls_get_addr is called.
1890 2016-01-26  Christian Bruel  <christian.bruel@st.com>
1892         * doc/sourcebuild.texi (arm_crypto_pragma_ok): Remove.
1894 2016-01-26  Eric Botcazou  <ebotcazou@adacore.com>
1896         * config/ia64/ia64.c (ia64_expand_vecint_compare): Use gen_int_mode.
1898 2016-01-26  Richard Biener  <rguenther@suse.de>
1900         PR middle-end/69467
1901         * match.pd: Guard X * CST CMP 0 pattern with single_use.
1903 2016-01-26  Richard Biener  <rguenther@suse.de>
1905         PR tree-optimization/69452
1906         * tree-ssa-loop-im.c (move_computations_dom_walker): Remove.
1907         (move_computations_dom_walker::before_dom_children): Rename
1908         to ...
1909         (move_computations_worker): This.
1910         (move_computations): Perform an RPO rather than a DOM walk.
1912 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
1914         PR target/69442
1915         * combine.c (combine_instructions): For REG_EQUAL note with
1916         SET_DEST being ZERO_EXTRACT, also temporarily set SET_DEST
1917         to the underlying register.
1918         * doc/rtl.texi (REG_EQUAL): Document the behavior of
1919         REG_EQUAL/REG_EQUIV notes if SET_DEST is ZERO_EXTRACT.
1921 2016-01-26  Roger Ferrer Ibáñez  <rofirrim@gmail.com>
1923         PR target/67896
1924         * config/aarch64/aarch64-builtins.c
1925         (aarch64_init_simd_builtin_types): Do not set structural
1926         equality to __Poly{8,16,64,128}_t types.
1928 2016-01-26  Richard Sandiford  <richard.sandiford@arm.com>
1930         PR tree-optimization/69400
1931         * wide-int.cc (wi_pack): Take the precision as argument and
1932         perform canonicalization here rather than in the callers.
1933         Use the main loop to handle all full-width HWIs.  Add a
1934         zero HWI if in_len isn't a full result.
1935         (wi::divmod_internal): Update accordingly.
1936         (wi::mul_internal): Likewise.  Simplify.
1938 2016-01-25  Aditya Kumar  <aditya.k7@samsung.com>
1939             Sebastian Pop  <s.pop@samsung.com>
1941         * graphite-poly.c (apply_poly_transforms): Simplify.
1942         (print_isl_set): Use more readable format: ISL_YAML_STYLE_BLOCK.
1943         (print_isl_map): Same.
1944         (print_isl_union_map): Same.
1945         (print_isl_schedule): New.
1946         (debug_isl_schedule): New.
1947         * graphite-dependences.c (scop_get_reads): Do not call
1948         isl_union_map_add_map that is undocumented isl functionality.
1949         (scop_get_must_writes): Same.
1950         (scop_get_may_writes): Same.
1951         (scop_get_original_schedule): Remove.
1952         (scop_get_dependences): Do not call isl_union_map_compute_flow that
1953         is deprecated in isl 0.15.  Instead, use isl_union_access_* interface.
1954         (compute_deps): Remove.
1955         * graphite-isl-ast-to-gimple.c (print_schedule_ast): New.
1956         (debug_schedule_ast): New.
1957         (translate_isl_ast_to_gimple::scop_to_isl_ast): Call
1958         set_separate_option.
1959         (graphite_regenerate_ast_isl): Add dump.
1960         (translate_isl_ast_to_gimple::scop_to_isl_ast): Generate code
1961         from scop->transformed_schedule.
1962         (graphite_regenerate_ast_isl): Add more dump.
1963         * graphite-optimize-isl.c (optimize_isl): Set
1964         scop->transformed_schedule.  Check whether schedules are equal.
1965         (apply_poly_transforms): Move here.
1966         * graphite-poly.c (apply_poly_transforms): ... from here.
1967         (free_poly_bb): Static.
1968         (free_scop): Static.
1969         (pbb_number_of_iterations_at_time): Remove.
1970         (print_isl_ast): New.
1971         (debug_isl_ast): New.
1972         (debug_scop_pbb): New.
1973         * graphite-scop-detection.c (print_edge): Move.
1974         (print_sese): Move.
1975         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Remove.
1976         (build_scop_scattering): Remove.
1977         (create_pw_aff_from_tree): Assert instead of bailing out.
1978         (add_condition_to_pbb): Remove unused code, do not fail.
1979         (add_conditions_to_domain): Same.
1980         (add_conditions_to_constraints): Remove.
1981         (build_scop_context): New.
1982         (add_iter_domain_dimension): New.
1983         (build_iteration_domains): Initialize pbb->iterators.
1984         Call add_conditions_to_domain.
1985         (nested_in): New.
1986         (loop_at): New.
1987         (index_outermost_in_loop): New.
1988         (index_pbb_in_loop): New.
1989         (outermost_pbb_in): New.
1990         (add_in_sequence): New.
1991         (add_outer_projection): New.
1992         (outer_projection_mupa): New.
1993         (add_loop_schedule): New.
1994         (build_schedule_pbb): New.
1995         (build_schedule_loop): New.
1996         (embed_in_surrounding_loops): New.
1997         (build_schedule_loop_nest): New.
1998         (build_original_schedule): New.
1999         (build_poly_scop): Call build_original_schedule.
2000         * graphite.h: Declare print_isl_schedule and debug_isl_schedule.
2001         (free_poly_dr): Remove.
2002         (struct poly_bb): Add iterators.  Remove schedule, transformed, saved.
2003         (free_poly_bb): Remove.
2004         (debug_loop_vec): Remove.
2005         (print_isl_ast): Declare.
2006         (debug_isl_ast): Declare.
2007         (scop_do_interchange): Remove.
2008         (scop_do_strip_mine): Remove.
2009         (scop_do_block): Remove.
2010         (flatten_all_loops): Remove.
2011         (optimize_isl): Remove.
2012         (pbb_number_of_iterations_at_time): Remove.
2013         (debug_scop_pbb): Declare.
2014         (print_schedule_ast): Declare.
2015         (debug_schedule_ast): Declare.
2016         (struct scop): Remove schedule.  Add original_schedule,
2017         transformed_schedule.
2018         (free_gimple_poly_bb): Remove.
2019         (print_generated_program): Remove.
2020         (debug_generated_program): Remove.
2021         (unify_scattering_dimensions): Remove.
2022         * sese.c (print_edge): ... here.
2023         (print_sese): ... here.
2024         (debug_edge): ... here.
2025         (debug_sese): ... here.
2026         * sese.h (print_edge): Declare.
2027         (print_sese): Declare.
2028         (dump_edge): Declare.
2029         (dump_sese): Declare.
2031 2016-01-25  Aditya Kumar  <aditya.k7@samsung.com>
2032             Sebastian Pop  <s.pop@samsung.com>
2034         * Makefile.in: Set ISLVER in site.exp.
2036 2016-01-25  Jakub Jelinek  <jakub@redhat.com>
2038         * omp-low.c (lower_omp_target) <case USE_DEVICE_PTR>: Set
2039         DECL_VALUE_EXPR of new_var even for the non-array case.  Look
2040         through DECL_VALUE_EXPR for expansion.
2042 2016-01-25  Bernd Edlinger  <bernd.edlinger@hotmail.de>
2044         * config/mips/mips.c (mips_compute_frame_info): Skip re-computing
2045         the frame info after reload completed.
2047 2016-01-25  Jeff Law  <law@redhat.com>
2049         PR tree-optimization/69196
2050         PR tree-optimization/68398
2051         * tree-ssa-threadupdate.h (enum bb_dom_status): Moved here from
2052         tree-ssa-threadupdate.c.
2053         (determine_bb_domination_status): Prototype
2054         * tree-ssa-threadupdate.c (enum bb_dom_status): Remove
2055         (determine_bb_domination_status): No longer static.
2056         (valid_jump_thread_path): Remove code to detect characteristics
2057         of the jump thread path not associated with correctness.
2058         * tree-ssa-threadbackward.c (fsm_find_control_statment_thread_paths):
2059         Correct test for thread path length.  Count PHIs for real operands as
2060         statements that need to be copied.  Do not count ASSERT_EXPRs.
2061         Look at all the blocks in the thread path.  Compute and selectively
2062         filter thread paths based on threading through the latch, threading
2063         a multiway branch or crossing a multiway branch.
2065 2016-01-25  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2067         * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled):  Add
2068         decl with __attribute__ ((unused)) annotation.
2070 2016-01-25  Ilya Enkovich  <enkovich.gnu@gmail.com>
2072         PR target/69421
2073         * tree-vect-stmts.c (vectorizable_condition): Check vectype
2074         of operands is compatible with a statement vectype.
2076 2016-01-25  Eric Botcazou  <ebotcazou@adacore.com>
2078         * doc/extend.texi (scalar_storage_order type attribute): Fix typo and
2079         improve wording for mixed storage order support.
2081 2016-01-25  Bilyan Borisov  <bilyan.borisov@arm.com>
2083         * config/aarch64/arm_neon.h (vcvt_s64_f64): New intrinsic.
2084         (vcvt_u64_f64): Likewise.
2085         (vcvta_s64_f64): Likewise.
2086         (vcvta_u64_f64): Likewise.
2087         (vcvtm_s64_f64): Likewise.
2088         (vcvtm_u64_f64): Likewise.
2089         (vcvtn_s64_f64): Likewise.
2090         (vcvtn_u64_f64): Likewise.
2091         (vcvtp_s64_f64): Likewise.
2092         (vcvtp_u64_f64): Likewise.
2094 2016-01-25  Claudiu Zissulescu  <claziss@synopsys.com>
2096         * config/arc/arc.c (TARGET_DWARF_REGISTER_SPAN): Define.
2097         (arc_init): Check validity mll64 option.
2098         (arc_save_restore): Use double load/store instruction.
2099         (arc_expand_movmem): Likewise.
2100         (arc_split_move): Don't split if we have double load/store
2101         instructions. Returns a boolean.
2102         (arc_process_double_reg_moves): Change function to return boolean
2103         instead of a sequence of instructions.
2104         (arc_dwarf_register_span): New function.
2105         * config/arc/arc-protos.h (arc_split_move): Change prototype.
2106         * config/arc/arc.h (TARGET_CPU_CPP_BUILTINS): Define __ARC_LL64__.
2107         * config/arc/arc.md (*movdi_insn): Emit ldd/std instructions.
2108         (*movdf_insn): Likewise.
2109         * config/arc/arc.opt (mll64): New option.
2110         * config/arc/predicates.md (even_register_operand): New predicate.
2111         * doc/invoke.texi (ARC Options): Add mll64 documentation.
2113 2016-01-25  Richard Biener  <rguenther@suse.de>
2115         PR lto/69393
2116         * dwarf2out.c (is_naming_typedef_decl): Not when DECL_NAMELESS.
2117         * tree-streamer-out.c (pack_ts_base_value_fields): Stream
2118         DECL_NAMELESS.
2119         * tree-streamer-in.c (unpack_ts_base_value_fields): Likewise.
2121 2016-01-25  Richard Biener  <rguenther@suse.de>
2123         PR tree-optimization/69376
2124         * tree-ssa-sccvn.h (struct vn_ssa_aux): Add range_info_anti_range_p
2125         flag.
2126         (VN_INFO_ANTI_RANGE_P): New inline.
2127         (VN_INFO_RANGE_TYPE): Likewise.
2128         * tree-ssa-sccvn.c (set_ssa_val_to): Also record and copy
2129         SSA_NAME_ANTI_RANGE_P.
2130         (free_scc_vn): Restore SSA_NAME_ANTI_RANGE_P.
2131         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
2132         Properly query VN_INFO_RANGE_TYPE.
2134 2016-01-25  Nick Clifton  <nickc@redhat.com>
2136         PR target/66655
2137         * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Remove definition.
2139 2016-01-23  Tom de Vries  <tom@codesourcery.com>
2141         PR tree-optimization/69426
2142         * tree-parloops.c (eliminate_local_variables_stmt): Handle vdef of
2143         removed clobber.
2145 2016-01-23  Jakub Jelinek  <jakub@redhat.com>
2147         * tree-ssanames.c (release_free_names_and_compact_live_names): Replace
2148         "the the" with "the" in the comments.
2149         * ipa-devirt.c (build_type_inheritance_graph,
2150         update_type_inheritance_graph): Likewise.
2151         * tree.c (build_function_type_list_1): Likewise.
2152         * cfgloopmanip.c (scale_loop_profile): Likewise.
2153         * tree-ssa-loop-ivopts.c (get_shiftadd_cost): Likewise.
2154         * gimple-ssa-split-paths.c
2155         (find_block_to_duplicate_for_splitting_paths): Likewise.
2156         * tree-sra.c (init_subtree_with_zero, clobber_subtree): Likewise.
2157         * expr.c (convert_move): Likewise.
2158         * var-tracking.c (vt_stack_adjustments): Likewise.
2159         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Likewise.
2160         * tree-vrp.c (test_for_singularity): Likewise.
2162         * tree-vect-stmts.c (vectorizable_condition): Build a VEC_COND_EXPR
2163         directly instead of building a temporary tree.
2165         PR bootstrap/69434
2166         * genrecog.c: Define INCLUDE_ALGORITHM before including system.h,
2167         remove <algorithm> include.
2169 2016-01-22  Jakub Jelinek  <jakub@redhat.com>
2171         PR target/69432
2172         * config/i386/i386.c: Include dojump.h.
2173         (expand_small_movmem_or_setmem,
2174         expand_set_or_movmem_prologue_epilogue_by_misaligned_moves): Spelling
2175         fixes.
2176         (ix86_expand_set_or_movmem): Call do_pending_stack_adjust () early
2177         if dynamic_check != -1.
2179 2016-01-21  Jeff Law  <law@redhat.com>
2181         PR middle-end/69347
2182         * tree-ssa-dom.c (back_propagate_equivalences): Factored out of
2183         record_temporary_equivalences.  Rewritten to avoid unnecessary calls
2184         into dominated_by_p.
2185         (cprop_into_successor_phis): Avoid unnecessary tests.
2187 2016-01-22  Richard Henderson  <rth@redhat.com>
2189         PR target/69416
2190         * config/aarch64/aarch64.md (UNSPEC_NZCV): New.
2191         (ccmp<mode>, fccmp<mode>, fccmpe<mode>): Use it.
2193 2016-01-22  Michael Matz  <matz@suse.de>
2195         * system.h (string, algorithm): Include only conditionally.
2196         (new): Include always under C++.
2197         * bb-reorder.c (toplevel): Define INCLUDE_ALGORITHM.
2198         * final.c (toplevel): Ditto.
2199         * ipa-chkp.c (toplevel): Define INCLUDE_STRING.
2200         * genconditions.c (write_header): Make gencondmd.c define
2201         INCLUDE_STRING.
2202         * mem-stats.h (mem_usage::print_dash_line): Don't use std::string.
2204         * config/aarch64/aarch64.c (toplevel): Define INCLUDE_STRING.
2205         * common/config/aarch64/aarch64-common.c (toplevel): Ditto.
2207 2016-01-22  Christian Bruel  <christian.bruel@st.com>
2209         PR target/68674
2210         * expr.c (expand_expr_real_1): Reset DECL_MODE if VECTOR_TYPE_P changed.
2212 2016-01-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2214         PR target/69403
2215         * config/arm/thumb2.md (*thumb2_ior_scc_strict_it): Convert to
2216         define_insn_and_split.  Ensure operands[1] and operands[0] do not
2217         get assigned the same register.
2219 2016-01-22  Kugan Vivekanandarajah  <kuganv@linaro.org>
2221         * ipa-prop.c (ipa_set_jf_constant): Remove redundant unshare_expr.
2223 2016-01-22  Christian Bruel  <christian.bruel@st.com>
2225         * config/arm/arm-c.c (arm_pragma_target_parse):
2226         Remove warn_builtin_macro_redefined overwrite.
2228 2016-01-22  Eric Botcazou  <ebotcazou@adacore.com>
2230         * ipa-inline.c (can_inline_edge_p): Back out overzealous check on
2231         flag_non_call_exceptions compatibility.
2233 2016-01-22  Jakub Jelinek  <jakub@redhat.com>
2235         PR debug/66668
2236         * dwarf2out.c (add_child_die_after): New function.
2237         (dwarf_qual_info_t): New type.
2238         (dwarf_qual_info): New variable.
2239         (qualified_die_p): New function.
2240         (modified_type_die): For -fdebug-types-section, ensure
2241         canonical order of qualifiers.  Put qualified DIEs adjacent
2242         to the corresponding non-qualified type DIE and search there
2243         for existing qualified DIEs.
2245 2016-01-22  Eric Botcazou  <ebotcazou@adacore.com>
2247         * doc/extend.texi (scalar_storage_order type attribute): Document
2248         restriction on type punning and aliasing, and remove future tense.
2250 2016-01-21  Roman Zhuykov  <zhroma@ispras.ru>
2252         PR target/69252
2253         * modulo-sched.c (optimize_sc): Allow branch-scheduling to add a new
2254         first stage.
2256 2016-01-21  Jeff Law  <law@redhat.com>
2258         PR middle-end/69347
2259         * tree-ssa-dom.c (dom_opt_dom_walker::thread_across_edge): Avoid
2260         useless call to record_temporary_equivalences.
2261         * tree-ssa-threadbackward.c (find_jump_threads_backwards): Just
2262         allocate 10 slots in the bb_path vector and let it grow as needed.
2263         (fsm_find_control_statement_thread_paths): Similarly for the next_path
2264         vector.
2266 2016-01-21  David Edelsohn  <dje.gcc@gmail.com>
2268         * configure.ac (gcc_cv_as_powerpc_mfcrf, gcc_cv_as_machine_directive):
2269         Detangle.
2270         * configure: Regenerate.
2272 2016-01-21  Pat Haugen  <pthaugen@us.ibm.com>
2274         * config/rs6000/aix71.h (ASM_CPU_SPEC): Add entry for Power9.
2275         * config/rs6000/driver-rs6000.c (struct asm_names): Likewise.
2277 2016-01-21  Bernd Schmidt  <bschmidt@redhat.com>
2279         PR middle-end/66178
2280         * expr.c (expand_expr_real_2) [PLUS_EXPR, MINUS_EXPR]: Don't
2281         drop EXPAND_INITIALIZER.
2282         * rtl.h (contains_symbolic_reference_p): Declare.
2283         * rtlanal.c (contains_symbolic_reference_p): New function.
2284         * simplify-rtx.c (simplify_binary_operation_1): Don't turn
2285         a subtraction into a NOT if symbolic constants are involved.
2287 2016-01-21  Anton Blanchard  <anton@samba.org>
2288             Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2290         PR target/63354
2291         * config/rs6000/linux64.h (TARGET_KEEP_LEAF_WHEN_PROFILED): New
2292         #define.
2293         * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled): New
2294         function.
2296 2016-01-21  Ajit Agarwal  <ajitkum@xilinx.com>
2298         * config/microblaze/microblaze.c
2299         (get_branch_target): New.
2300         (insert_wic_for_ilb_runout): New.
2301         (insert_wic): New.
2302         (microblaze_machine_dependent_reorg): New.
2303         (TARGET_MACHINE_DEPENDENT_REORG): Define macro.
2304         * config/microblaze/microblaze.md
2305         (UNSPEC_IPREFETCH): Define.
2306         (iprefetch): New pattern
2307         * config/microblaze/microblaze.opt
2308         (mxl-prefetch): New flag.
2310 2016-01-21  Ajit Agarwal  <ajitkum@xilinx.com>
2312         * config/microblaze/microblaze.h
2313         (FIXED_REGISTERS): Update in macro.
2314         (CALL_USED_REGISTERS): Update in macro.
2316 2016-01-21  Yuri Rumyantsev  <ysrumyan@gmail.com>
2318         PR rtl-optimization/68920
2319         * ifcvt.c (cond_move_process_if_block): Limit number of conditional
2320         moves.
2322 2016-01-21  Vladimir Makarov  <vmakarov@redhat.com>
2324         PR rtl-optimization/68990
2325         * lra-coalesce.c (lra_coalesce): Invalidate value for the result
2326         pseudo instead of inheritance ones.
2328 2016-01-21  Bernd Edlinger  <bernd.edlinger@hotmail.de>
2329             Nick Clifton  <nickc@redhat.com>
2331         PR target/69129
2332         PR target/69012
2333         * config/mips/mips.c (mips_compute_frame_info): Initialise
2334         args_size and hard_frame_pointer_offset fields of the frame
2335         structure before calling mips_global_pointer.
2337 2016-01-21  David Edelsohn  <dje.gcc@gmail.com>
2339         * configure.ac (gcc_cv_as_dwloc): Test support for debug frame section
2340         label reference.
2341         * configure: Regenerate.
2343 2016-01-21  Richard Biener  <rguenther@suse.de>
2345         * graphite-optimize-isl.c (get_schedule_map): Fix typo.
2347 2016-01-21  Marcin Kościelnicki  <koriakin@0x04.net>
2349         * config/s390/s390.c (s390_asm_declare_function_size): Add code
2350         to actually emit the .size directive.
2352 2016-01-21   Stefan Sørensen  <stefan.sorensen@spectralink.com>
2353              Jakub Jelinek  <jakub@redhat.com>
2355         PR target/69187
2356         PR target/65624
2357         * config/arm/arm-builtins.c (arm_expand_neon_builtin): Increase
2358         args array size by one to avoid buffer overflow.
2360 2016-01-21  Marcin Kościelnicki  <koriakin@0x04.net>
2362         * config/s390/s390.md (pool_section_start): Use switch_to_section
2363         to select proper read-only data section instead of hardcoding
2364         .rodata.
2365         (pool_section_end): Use switch_to_section to match the above.
2367 2016-01-21  Richard Biener  <rguenther@suse.de>
2369         PR tree-optimization/69378
2370         * tree-ssa-sccvn.c (dominated_by_p_w_unex): New function.
2371         (set_ssa_val_to): Use it for dominance checks taking into
2372         account not executable edges.
2374 2016-01-21  Jakub Jelinek  <jakub@redhat.com>
2376         PR c++/69355
2377         * tree-dfa.c (get_ref_base_and_extent): Use GET_MODE_BITSIZE (mode)
2378         for bitsize instead of GET_MODE_PRECISION (mode).
2380 2016-01-20  Martin Sebor  <msebor@redhat.com>
2382         PR c/52291
2383         * extend.texi (__sync Builtins): Clarify the semantics of
2384         __sync_fetch_and_OP built-ins on pointers.
2385         (__atomic Builtins): Same.
2387 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
2388             Sebastian Pop  <s.pop@samsung.com>
2390         * graphite-isl-ast-to-gimple.c (enum phi_node_kind): New.
2391         (class translate_isl_ast_to_gimple): Use phi_node_kind instead of bool.
2392         (is_valid_rename): Same.
2393         (translate_isl_ast_to_gimple::get_rename): Same.
2394         (translate_isl_ast_to_gimple::rename_all_uses): Same.
2395         (translate_isl_ast_to_gimple::rename_uses): Same.
2396         (get_new_name): Check for close_phi nodes.
2397         (copy_loop_phi_args): Use phi_node_kind.
2398         (translate_isl_ast_to_gimple::copy_loop_close_phi_args): Same.
2399         (translate_isl_ast_to_gimple::copy_cond_phi_args): Same.
2401 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
2402             Sebastian Pop  <s.pop@samsung.com>
2404         Revert commit r229783.
2405         * graphite-isl-ast-to-gimple.c (gcc_expression_from_isl_ast_expr_id):
2406         Remove use of parameter_rename_map.
2407         (copy_def): Remove.
2408         (copy_internal_parameters): Remove.
2409         (graphite_regenerate_ast_isl): Remove call to copy_internal_parameters.
2410         * sese.c (new_sese_info): Do not initialize parameter_rename_map.
2411         (free_sese_info): Do not free parameter_rename_map.
2412         (set_rename): Do not use parameter_rename_map.
2413         (rename_uses): Update call to set_rename.
2414         (graphite_copy_stmts_from_block): Do not use parameter_rename_map.
2415         * sese.h (parameter_rename_map_t): Remove.
2416         (struct sese_info_t): Remove field parameter_rename_map.
2418 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
2419             Sebastian Pop  <s.pop@samsung.com>
2421         * graphite-isl-ast-to-gimple.c: Fix comment.
2422         * graphite-scop-detection.c (defined_in_loop_p): New.
2423         (canonicalize_loop_closed_ssa): Do not add close phi nodes for SSA
2424         names defined in loop.
2426 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
2427             Sebastian Pop  <s.pop@samsung.com>
2429         * graphite-scop-detection.c (scop_detection::harmful_loop_in_region):
2430         Discard unstructured if-then-else regions.
2432 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
2433             Sebastian Pop  <s.pop@samsung.com>
2435         * graphite-sese-to-poly.c (set_scop_parameter_dim): Remove.
2436         (cleanup_loop_iter_dom): Remove.
2437         (build_loop_iteration_domains): Remove.
2438         (build_scop_context): Remove.
2439         (build_scop_iteration_domain): Remove.
2440         (add_loop_constraints): New.
2441         (build_iteration_domains): New.
2442         (build_poly_scop): Call build_iteration_domains.
2444 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
2445             Sebastian Pop  <s.pop@samsung.com>
2447         * graphite-scop-detection.c
2448         (scop_detection::harmful_loop_in_region): Free dom and loops.
2449         (scop_detection::loop_body_is_valid_scop): Free bbs.
2451 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
2452             Sebastian Pop  <s.pop@samsung.com>
2454         * graphite-scop-detection.c (record_loop_in_sese): New.
2455         (gather_bbs::before_dom_children): Call record_loop_in_sese.
2456         (build_scops): Remove call to build_sese_loop_nests.
2457         * sese.c (sese_record_loop): Remove.
2458         (build_sese_loop_nests): Remove.
2459         (new_sese_info): Remove region->loops.
2460         (free_sese_info): Same.
2461         * sese.h (sese_contains_loop): Same.
2462         (build_sese_loop_nests): Remove.
2463         (sese_contains_loop): Remove.
2465 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
2466             Sebastian Pop  <s.pop@samsung.com>
2468         * graphite-scop-detection.c (loop_is_valid_scop): Renamed
2469         loop_is_valid_in_scop.
2470         (scop_detection::harmful_stmt_in_region): Renamed
2471         harmful_loop_in_region.
2472         Call loop_is_valid_in_scop.
2474 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
2475             Sebastian Pop  <s.pop@samsung.com>
2477         * graphite-isl-ast-to-gimple.c (translate_isl_ast): Also handle
2478         isl_ast_node_mark.
2480 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
2481             Sebastian Pop  <s.pop@samsung.com>
2483         * graphite-poly.c (new_poly_bb): Remove use of PBB_IS_REDUCTION.
2484         * graphite.h (struct poly_bb): Remove field is_reduction.
2485         (PBB_IS_REDUCTION): Remove.
2487 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
2488             Sebastian Pop  <s.pop@samsung.com>
2490         * graphite-dependences.c (constrain_domain): Add call to isl_*_coalesce.
2491         (add_pdr_constraints): Same.
2492         (scop_get_reads): Same.
2493         (scop_get_must_writes): Same.
2494         (scop_get_may_writes): Same.
2495         (scop_get_original_schedule): Same.
2496         (extend_schedule): Same.
2497         (apply_schedule_on_deps): Same.
2498         (carries_deps): Same.
2499         (compute_deps): Same.
2500         (scop_get_dependences): Same.
2501         * graphite-isl-ast-to-gimple.c
2502         (translate_isl_ast_to_gimple::generate_isl_schedule): Same.
2503         * graphite-optimize-isl.c (get_schedule_for_band): Same.
2504         (get_schedule_for_band_list): Same.
2505         (get_schedule_map): Same.
2506         (apply_schedule_map_to_scop): Same.
2507         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
2508         (build_loop_iteration_domains): Same.
2509         (add_condition_to_pbb): Same.
2510         (add_param_constraints): Same.
2511         (pdr_add_memory_accesses): Same.
2512         (pdr_add_data_dimensions): Same.
2514 2016-01-20  Sandra Loosemore <sandra@codesourcery.com>
2516         * doc/invoke.texi (Instrumentation Options): Clarify -mmpx linking
2517         requirements.
2519 2016-01-20  Sandra Loosemore <sandra@codesourcery.com>
2521         * common.opt (feliminate-dwarf2-dups): Replace references to
2522         "DWARF 2" with just "DWARF".
2523         * config/ia64/ia64.opt (mdwarf2-asm): Likewise.
2524         * doc/extend.texi: Likewise.
2525         * doc/cpp.texi: Likewise.
2526         * doc/invoke.texi: Likewise.
2527         (Option Summary): Add -gdwarf to list of Debugging Options.
2528         (Debugging Options): Document -gdwarf.
2529         * doc/contrib.texi: Spell "DWARF" like that.
2531 2016-01-21  Jakub Jelinek  <jakub@redhat.com>
2533         * omp-low.c (expand_omp_target): Avoid -Wmaybe-uninitialized
2534         warning.  Fix up formatting.
2536         PR middle-end/67653
2537         * gimplify.c (gimplify_asm_expr): Warn if it is too late to
2538         attempt to mark memory input operand addressable and
2539         call prepare_gimple_addressable in that case.  Don't adjust
2540         input_location for diagnostics, use error_at instead.
2542 2016-01-20  Peter Bergner  <bergner@vnet.ibm.com>
2544         * config/rs6000/ppc-auxv.h: New file.
2545         * config/rs6000/rs6000-builtin.def (cpu_init): Add new builtin.
2546         (cpu_is): Likewise.
2547         (cpu_supports): Likewise.
2548         * config/rs6000/rs6000.c: include "ppc-auxv.h".
2549         (cpu_is_info): New variable.
2550         (cpu_supports_info): Likewise.
2551         (tcb_verification_symbol): Likewise.
2552         (cpu_builtin_p): Likewise.
2553         (cpu_expand_builtin): New function.
2554         (rs6000_expand_ternop_builtin): Add support for CPU builtin functions.
2555         (rs6000_init_builtins): Likewise.
2556         (rs6000_elf_file_end): Emit HWCAP in TCB verification symbol.
2557         * config/rs6000/rs6000.h (TLS_REGNUM): New define.
2558         * configure.ac (gcc_cv_libc_provides_hwcap_in_tcb): New test.
2559         * configure: Regenerate.
2560         * config.in: Likewise.
2561         * doc/extend.texi (PowerPC Built-in Functions): Document
2562         __builtin_cpu_init, __builtin_cpu_is and __builtin_cpu_supports.
2564 2016-01-20  David Edelsohn  <dje.gcc@gmail.com>
2566         PR target/68609
2567         * config/rs6000/rs6000.c (rs6000_emit_swsqrt): Add vector sqrt
2568         domain check.
2569         * config/rs6000/vector.md (sqrt<mode>2): Call rs6000_emit_swsqrt
2570         for V4SFmode.
2572 2016-01-20  Richard Henderson  <rth@redhat.com>
2574         PR bootstrap/69343
2575         PR bootstrap/69339
2576         PR tree-opt/68964
2577         Revert:
2578         * tree.c (tm_define_builtin): New.
2579         (find_tm_vector_type): New.
2580         (build_tm_vector_builtins): New.
2581         (build_common_builtin_nodes): Call it.
2583 2016-01-20  Christophe Lyon  <christophe.lyon@linaro.org>
2585         * doc/sourcebuild.texi (arm_crypto_pragma_ok): Document new entry.
2586         (arm_fp_ok): Likewise.
2587         (arm_fp): Likewise.
2588         (arm_crypto): Likewise.
2590 2016-01-20  Ilya Enkovich  <enkovich.gnu@gmail.com>
2591             Richard Biener  <rguenther@suse.de>
2593         PR tree-optimization/69328
2594         * tree-vect-stmts.c (vect_is_simple_cond): Check compared
2595         vectors have same number of elements.
2596         (vectorizable_condition): Fix masked version recognition.
2598 2016-01-20  Richard Biener  <rguenther@suse.de>
2600         PR tree-optimization/69345
2601         * tree-ssa-sccvn.h (VN_INFO_RANGE_INFO): New inline function.
2602         (VN_INFO_PTR_INFO): Likewise.
2603         * tree-ssa-sccvn.c (set_ssa_val_to): Avoid clearing points-to
2604         info when it is equal between non-dominating SSA names.
2605         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
2606         Make sure to look at original SSA infos.
2608 2016-01-20  Jeff Law  <law@redhat.com>
2610         PR target/25114
2611         * config/m68k/predicates.md (pow2_m1_operand): New predicate
2612         extracted from ...
2613         (reg_or_pow2_m1_operand): Call pow2_m1_operand.
2614         (pc_or_label_operand): New predicate.
2615         * config/m68k/m68k.md: Add new peephole2 patterns for GTU/LEU
2616         tests for small integers that are 2^n - 1.
2618 2016-01-20  Jonathan Wakely  <jwakely@redhat.com>
2620         * doc/invoke.texi (Options Summary): Add '.' after @xref.
2622 2016-01-19  Jeff Law  <law@redhat.com>
2624         PR middle-end/69347
2625         * tree-ssa-threadbackwards.c
2626         (fsm_find_control_statement_thread_paths): Do not try to lookup
2627         FSM paths for SSA_NAMEs appearing in abnormal PHIs.
2629 2016-01-20  Kugan Vivekanandarajah  <kuganv@linaro.org>
2631         * doc/lto.texi: Remove text that says only Gold has linker plugin
2632         support.
2634 2016-01-19  Eric Botcazou  <ebotcazou@adacore.com>
2636         * dwarf2out.c (need_endianity_attribute_p): New inline predicate.
2637         (base_type_die): Add REVERSE parameter and attach DW_AT_endianity to
2638         the DIE accordingly.
2639         (modified_type_die): Add REVERSE parameter and pass it recursively,
2640         as well as to base_type_die.  Adjust presence check accordingly.
2641         (base_type_for_mode): Adjust call to modified_type_die.
2642         (add_type_attribute): Add REVERSE parameter and pass it to
2643         modified_type_die.
2644         (generic_parameter_die): Adjust call to add_type_attribute.
2645         (add_scalar_info): Likewise.
2646         (add_subscript_info): Likewise.
2647         (gen_array_type_die): Likewise.
2648         (gen_descr_array_type_die): Likewise.
2649         (gen_entry_point_die): Likewise.
2650         (gen_enumeration_type_die): Likewise.
2651         (gen_formal_parameter_die): Likewise.
2652         (gen_subprogram_die): Likewise.
2653         (gen_variable_die ): Likewise.
2654         (gen_const_die): Likewise.
2655         (gen_field_die): Likewise.
2656         (gen_pointer_type_die): Likewise.
2657         (gen_reference_type_die): Likewise.
2658         (gen_ptr_to_mbr_type_die): Likewise.
2659         (gen_inheritance_die): Likewise.
2660         (gen_subroutine_type_die): Likewise.
2661         (gen_typedef_die): Likewise.
2662         (force_type_die): Adjust call to modified_type_die.
2664 2016-01-19  Sandra Loosemore <sandra@codesourcery.com>
2666         * doc/standards.texi: Copy-editing for grammar, markup, and sentence
2667         flow throughout the file.  Fix broken link to Objective-C 2.0
2668         documentation.
2669         * doc/invoke.texi: More copy-editing; fix numerous typos and spelling
2670         errors.
2672 2016-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
2674         * ccmp.c (expand_ccmp_expr_1): Avoid spurious unused warnings.
2676 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
2678         PR ipa/66223
2679         * ipa-devirt.c (is_cxa_pure_virtual_p): New function.
2680         (maybe_record_node): Record cxa_pure_virtual as the only possible
2681         target if there are not ohter candidates.
2682         (possible_polymorphic_call_target_p): Accept cxa_pure_virtual.
2684 2016-01-19  Richard Biener  <rguenther@suse.de>
2686         * hsa-gen.c (get_memory_order_name): Use MEMMODEL_ constants.
2687         (get_memory_order): Likewise.
2689 2016-01-19  Kirill Yukhin  <kirill.yukhin@intel.com>
2691         * tree-vect-stmts.c (vectorizable_store): Check
2692         rhs vectype.
2694 2016-01-19  David Malcolm  <dmalcolm@redhat.com>
2696         PR jit/68446
2697         * gcc.c (driver::decode_argv): Add call to
2698         init_opts_obstack before init_options_struct.
2699         * opts.c (init_opts_obstack): Remove idempotency.
2700         (init_options_struct): Replace call to init_opts_obstack
2701         with a gcc_assert to verify that it has already been called.
2702         * toplev.c (toplev::main): Add call to init_opts_obstack before
2703         calls to init_options_struct.
2704         (toplev::finalize): Move cleanup of opts_obstack next to
2705         cleanup of save_decoded_options, clearing the latter, and
2706         save_decoded_options_count.
2708 2016-01-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2710         PR target/69135
2711         * config/arm/vfp.md (l<vrint_pattern><su_optab><mode>si2): Set "conds"
2712         attribute to unconditional.  Remove %? from output template.
2714 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
2715             Jiong Wang  <jiong.wang@arm.com>
2717         * ccmp.c (expand_ccmp_expr_1): Cost the instruction sequences
2718         generated from different expand order.
2720 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
2722         * /config/aarch64/aarch64.c (aarch64_if_then_else_costs):
2723         Add support for CCMP costing.
2725 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
2727         * ccmp.c (ccmp_candidate_p): Remove integer-only restriction.
2728         * config/aarch64/aarch64.md (fccmp<mode>): New pattern.
2729         (fccmpe<mode>): Likewise.
2730         (fcmp): Rename to fcmp and globalize pattern.
2731         (fcmpe): Likewise.
2732         * config/aarch64/aarch64.c (aarch64_gen_ccmp_first): Add FP support.
2733         (aarch64_gen_ccmp_next): Add FP support.
2735 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
2737         * target.def (gen_ccmp_first): Update documentation.
2738         (gen_ccmp_next): Likewise.
2739         * doc/tm.texi (gen_ccmp_first): Update documentation.
2740         (gen_ccmp_next): Likewise.
2741         * ccmp.c (expand_ccmp_expr): Extract cmp_code from return value of
2742         expand_ccmp_expr_1.  Improve comments.
2743         * config/aarch64/aarch64.md (ccmp_and): Use if_then_else for ccmp.
2744         (ccmp_ior<mode>): Remove pattern.
2745         (cmp<mode>): Remove expand.
2746         (cmp): Globalize pattern.
2747         (cstorecc4): Use cc_register.
2748         (mov<mode>cc): Remove ccmp_cc_register check.
2749         * config/aarch64/aarch64.c (aarch64_get_condition_code_1):
2750         Simplify after removal of CC_DNE/* modes.
2751         (aarch64_ccmp_mode_to_code): Remove.
2752         (aarch64_print_operand): Remove 'K' case.  Merge 'm' and 'M' cases.
2753         In 'k' case use integer as condition.
2754         (aarch64_nzcv_codes): Remove inverted cases.
2755         (aarch64_code_to_ccmode): Remove.
2756         (aarch64_gen_ccmp_first): Use cmp pattern directly.  Return the correct
2757         comparison with CC register to be used in folowing CCMP/branch/CSEL.
2758         (aarch64_gen_ccmp_next): Use previous comparison and mode in CCMP
2759         pattern.  Return the comparison with CC register.  Invert conditions
2760         when bitcode is OR.
2761         * config/aarch64/aarch64-modes.def: Remove CC_DNE/* modes.
2762         * config/aarch64/predicates.md (ccmp_cc_register): Remove.
2764 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
2766         * cgraphunit.c (cgraph_node::reset): Clear thunk info and
2767         instrumented_version.
2769 2016-01-19  Richard Biener  <rguenther@suse.de>
2771         PR tree-optimization/69336
2772         * tree-ssa-scopedtables.c (avail_expr_hash): Handle all
2773         handled components with get_ref_base_and_extent.
2774         (equal_mem_array_ref_p): Adjust.
2776 2016-01-19  Jakub Jelinek  <jakub@redhat.com>
2778         PR debug/65779
2779         * shrink-wrap.c: Include valtrack.h.
2780         (move_insn_for_shrink_wrap): Add DEBUG argument.  If
2781         MAY_HAVE_DEBUG_INSNS, call dead_debug_add on DEBUG_INSNs
2782         in between insn and where it will be moved to.  Call
2783         dead_debug_insert_temp.
2784         (prepare_shrink_wrap): Adjust caller.  Call dead_debug_local_init
2785         first and dead_debug_local_finish at the end.
2786         For uses and defs bitmap, handle all regs in between REGNO and
2787         END_REGNO, not just the first one.
2789 2016-01-19  Richard Biener  <rguenther@suse.de>
2791         PR tree-optimization/69352
2792         * tree-ssa-scopedtables.c (avail_expr_hash): Check for size == -1.
2793         (equal_mem_array_ref_p): Constrain size and max size properly.
2794         Compare the reverse flag.
2796 2016-01-19  Bernd Schmidt  <bschmidt@redhat.com>
2798         * ira.c (ira): Update regstat data if we deleted insns.
2800 2016-01-19  Jakub Jelinek  <jakub@redhat.com>
2802         PR rtl-optimization/68955
2803         PR rtl-optimization/64557
2804         * dse.c (record_store, check_mem_read_rtx): Don't call get_addr
2805         here.  Fix up formatting.
2806         * alias.c (get_addr): Handle VALUE +/- CONST_SCALAR_INT_P.
2808 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
2810         PR lto/69133
2811         * cgraphunit.c (cgraph_node::expand_thunk): When forcing gimple
2812         assume that the node has body.
2813         * cgraph.c (cgraph_node::get_untransformed_body): Use gimple_body_p
2814         check.
2816 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
2818         * lto-streamer-out.c (lto_output): Do not stream instrumentation
2819         thunks.
2821 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
2823         * symtab.c (symtab_node::asm_name): Do not call printable name directly.
2824         (symtab_node::name): Report name as unnamed if DECL_NAME is not set.
2826 2016-01-19  Martin Jambor  <mjambor@suse.cz>
2827             Martin Liska  <mliska@suse.cz>
2828             Michael Matz <matz@suse.de>
2830         * Makefile.in (OBJS): Add new source files.
2831         (GTFILES): Add hsa.c.
2832         * common.opt (disable_hsa): New variable.
2833         (-Whsa): New warning.
2834         * config.in (ENABLE_HSA): New.
2835         * configure.ac: Treat hsa differently from other accelerators.
2836         (OFFLOAD_TARGETS): Define ENABLE_OFFLOADING according to
2837         $enable_offloading.
2838         (ENABLE_HSA): Define ENABLE_HSA according to $enable_hsa.
2839         * doc/install.texi (Configuration): Document --with-hsa-runtime,
2840         --with-hsa-runtime-include, --with-hsa-runtime-lib and
2841         --with-hsa-kmt-lib.
2842         * doc/invoke.texi (-Whsa): Document.
2843         (hsa-gen-debug-stores): Likewise.
2844         * lto-wrapper.c (compile_images_for_offload_targets): Do not attempt
2845         to invoke offload compiler for hsa acclerator.
2846         * opts.c (common_handle_option): Determine whether HSA offloading
2847         should be performed.
2848         * params.def (PARAM_HSA_GEN_DEBUG_STORES): New parameter.
2849         * builtin-types.def (BT_FN_VOID_UINT_PTR_INT_PTR): New.
2850         (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_INT_INT): Removed.
2851         (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_PTR): New.
2852         * gimple-low.c (lower_stmt): Also handle GIMPLE_OMP_GRID_BODY.
2853         * gimple-pretty-print.c (dump_gimple_omp_for): Also handle
2854         GF_OMP_FOR_KIND_GRID_LOOP.
2855         (dump_gimple_omp_block): Also handle GIMPLE_OMP_GRID_BODY.
2856         (pp_gimple_stmt_1): Likewise.
2857         * gimple-walk.c (walk_gimple_stmt): Likewise.
2858         * gimple.c (gimple_build_omp_grid_body): New function.
2859         (gimple_copy): Also handle GIMPLE_OMP_GRID_BODY.
2860         * gimple.def (GIMPLE_OMP_GRID_BODY): New.
2861         * gimple.h (enum gf_mask): Added GF_OMP_PARALLEL_GRID_PHONY,
2862         GF_OMP_FOR_KIND_GRID_LOOP, GF_OMP_FOR_GRID_PHONY and
2863         GF_OMP_TEAMS_GRID_PHONY.
2864         (gimple_statement_omp_single_layout): Updated comments.
2865         (gimple_build_omp_grid_body): New function.
2866         (gimple_has_substatements): Also handle GIMPLE_OMP_GRID_BODY.
2867         (gimple_omp_for_grid_phony): New function.
2868         (gimple_omp_for_set_grid_phony): Likewise.
2869         (gimple_omp_parallel_grid_phony): Likewise.
2870         (gimple_omp_parallel_set_grid_phony): Likewise.
2871         (gimple_omp_teams_grid_phony): Likewise.
2872         (gimple_omp_teams_set_grid_phony): Likewise.
2873         (gimple_return_set_retbnd): Also handle GIMPLE_OMP_GRID_BODY.
2874         * omp-builtins.def (BUILT_IN_GOMP_OFFLOAD_REGISTER): New.
2875         (BUILT_IN_GOMP_OFFLOAD_UNREGISTER): Likewise.
2876         (BUILT_IN_GOMP_TARGET): Updated type.
2877         * omp-low.c: Include symbol-summary.h, hsa.h and params.h.
2878         (adjust_for_condition): New function.
2879         (get_omp_for_step_from_incr): Likewise.
2880         (extract_omp_for_data): Moved parts to adjust_for_condition and
2881         get_omp_for_step_from_incr.
2882         (build_outer_var_ref): Handle GIMPLE_OMP_GRID_BODY.
2883         (fixup_child_record_type): Bail out if receiver_decl is NULL.
2884         (scan_sharing_clauses): Handle OMP_CLAUSE__GRIDDIM_.
2885         (scan_omp_parallel): Do not create child functions for phony
2886         constructs.
2887         (check_omp_nesting_restrictions): Handle GIMPLE_OMP_GRID_BODY.
2888         (scan_omp_1_op): Checking assert we are not remapping to
2889         ERROR_MARK.  Also also handle GIMPLE_OMP_GRID_BODY.
2890         (parallel_needs_hsa_kernel_p): New function.
2891         (expand_parallel_call): Register apprpriate parallel child
2892         functions as HSA kernels.
2893         (grid_launch_attributes_trees): New type.
2894         (grid_attr_trees): New variable.
2895         (grid_create_kernel_launch_attr_types): New function.
2896         (grid_insert_store_range_dim): Likewise.
2897         (grid_get_kernel_launch_attributes): Likewise.
2898         (get_target_argument_identifier_1): Likewise.
2899         (get_target_argument_identifier): Likewise.
2900         (get_target_argument_value): Likewise.
2901         (push_target_argument_according_to_value): Likewise.
2902         (get_target_arguments): Likewise.
2903         (expand_omp_target): Call get_target_arguments instead of looking
2904         up for teams and thread limit.
2905         (grid_expand_omp_for_loop): New function.
2906         (grid_arg_decl_map): New type.
2907         (grid_remap_kernel_arg_accesses): New function.
2908         (grid_expand_target_kernel_body): New function.
2909         (expand_omp): Call it.
2910         (lower_omp_for): Do not emit phony constructs.
2911         (lower_omp_taskreg): Do not emit phony constructs but create for them
2912         a temporary variable receiver_decl.
2913         (lower_omp_taskreg): Do not emit phony constructs.
2914         (lower_omp_teams): Likewise.
2915         (lower_omp_grid_body): New function.
2916         (lower_omp_1): Call it.
2917         (grid_reg_assignment_to_local_var_p): New function.
2918         (grid_seq_only_contains_local_assignments): Likewise.
2919         (grid_find_single_omp_among_assignments_1): Likewise.
2920         (grid_find_single_omp_among_assignments): Likewise.
2921         (grid_find_ungridifiable_statement): Likewise.
2922         (grid_target_follows_gridifiable_pattern): Likewise.
2923         (grid_remap_prebody_decls): Likewise.
2924         (grid_copy_leading_local_assignments): Likewise.
2925         (grid_process_kernel_body_copy): Likewise.
2926         (grid_attempt_target_gridification): Likewise.
2927         (grid_gridify_all_targets_stmt): Likewise.
2928         (grid_gridify_all_targets): Likewise.
2929         (execute_lower_omp): Call grid_gridify_all_targets.
2930         (make_gimple_omp_edges): Handle GIMPLE_OMP_GRID_BODY.
2931         * tree-core.h (omp_clause_code): Added OMP_CLAUSE__GRIDDIM_.
2932         (tree_omp_clause): Added union field dimension.
2933         * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE__GRIDDIM_.
2934         * tree.c (omp_clause_num_ops): Added number of arguments of
2935         OMP_CLAUSE__GRIDDIM_.
2936         (omp_clause_code_name): Added name of OMP_CLAUSE__GRIDDIM_.
2937         (walk_tree_1): Handle OMP_CLAUSE__GRIDDIM_.
2938         * tree.h (OMP_CLAUSE_GRIDDIM_DIMENSION): New.
2939         (OMP_CLAUSE_SET_GRIDDIM_DIMENSION): Likewise.
2940         (OMP_CLAUSE_GRIDDIM_SIZE): Likewise.
2941         (OMP_CLAUSE_GRIDDIM_GROUP): Likewise.
2942         * passes.def: Schedule pass_ipa_hsa and pass_gen_hsail.
2943         * tree-pass.h (make_pass_gen_hsail): Declare.
2944         (make_pass_ipa_hsa): Likewise.
2945         * ipa-hsa.c: New file.
2946         * lto-section-in.c (lto_section_name): Add hsa section name.
2947         * lto-streamer.h (lto_section_type): Add hsa section.
2948         * timevar.def (TV_IPA_HSA): New.
2949         * hsa-brig-format.h: New file.
2950         * hsa-brig.c: New file.
2951         * hsa-dump.c: Likewise.
2952         * hsa-gen.c: Likewise.
2953         * hsa.c: Likewise.
2954         * hsa.h: Likewise.
2955         * toplev.c (compile_file): Call hsa_output_brig.
2956         * hsa-regalloc.c: New file.
2958 2016-01-18  Jeff Law  <law@redhat.com>
2960         PR tree-optimization/69320
2961         * tree-ssa-dom.c (record_edge_info): For comparisons against a boolean
2962         ranged object, do nothing if the RHS constant is not [0..1].
2963         (optimize_stmt): Comparing a boolean ranged object against a
2964         constant outside [0..1] results in a compile-time constant.
2966         * tree-ssanames.c (ssa_name_has_boolean_range): Remove unnecessary
2967         test.
2969 2016-01-18  Sandra Loosemore <sandra@codesourcery.com>
2971         * doc/invoke.texi (Invoking GCC): Add new section to menu.
2972         (Option Summary): Update to reflect new section and moved options.
2973         (C++ Dialect Options): Move -fstats to new section.
2974         (Debugging Options): Move all dump, statistics, and other GCC
2975         developer options to new section.  Rewrite section introduction
2976         and re-order remaining options to put the more basic ones first.
2977         (Optimization Options): Move -fira-verbose and -flto-report* to
2978         new section.
2979         (Developer Options): New section incorporating moved options.
2980         * doc/cppopts.texi (-dM): Update cross-reference.
2982 2016-01-18  Richard Henderson  <rth@redhat.com>
2984         PR target/69176
2985         * config/aarch64/aarch64.md (add<GPI>3): Move long immediate
2986         operands to pseudo only if CSE is expected.  Split long immediate
2987         operands only after reload, and for the stack pointer.
2988         (*add<GPI>3_pluslong): Remove.
2989         (*addsi3_aarch64, *adddi3_aarch64): Merge into...
2990         (*add<GPI>3_aarch64): ... here.  Add r/rk/Upl alternative.
2991         (*addsi3_aarch64_uxtw): Add r/rk/Upl alternative.
2992         (*add<GPI>3 peepholes): New.
2993         (*add<GPI>3 splitters): New.
2994         * config/aarch64/constraints.md (Upl): New.
2995         * config/aarch64/predicates.md (aarch64_pluslong_strict_immedate): New.
2997 2016-01-18  Richard Biener  <rguenther@suse.de>
2999         PR tree-optimization/69297
3000         * tree-vect-slp.c (vect_bb_slp_scalar_cost): Count each scalar
3001         stmt at most once.
3002         (vect_bb_vectorization_profitable_p): Clear visited flag again.
3004 2016-01-18  Yuri Rumyantsev  <ysrumyan@gmail.com>
3006         PR middle-end/68542
3007         * fold-const.c (fold_binary_op_with_conditional_arg): Bail out for case
3008         of mixind vector and scalar types.
3009         (fold_relational_const): Add handling of vector
3010         comparison with boolean result.
3011         * tree-cfg.c (verify_gimple_comparison): Add argument CODE, allow
3012         comparison of vector operands with boolean result for EQ/NE only.
3013         (verify_gimple_assign_binary): Adjust call for verify_gimple_comparison.
3014         (verify_gimple_cond): Likewise.
3015         * tree-vrp.c (extract_code_and_val_from_cond_with_ops): Modify check on
3016         valid type of VAL.
3018 2016-01-18  Joseph Myers  <joseph@codesourcery.com>
3020         * config/mips/mips.h (ISA_HAS_PAIRED_SINGLE): Require
3021         !TARGET_OCTEON.
3023 2016-01-18  Richard Biener  <rguenther@suse.de>
3025         PR middle-end/69308
3026         * gimple.c (gimple_could_trap_p_1): Handle GIMPLE_COND.
3028 2016-01-18  Tom de Vries  <tom@codesourcery.com>
3030         * passes.def: Add pass_parallelize_loops to pass_oacc_kernels.
3032 2016-01-18  Tom de Vries  <tom@codesourcery.com>
3034         * omp-low.c (set_oacc_fn_attrib): Make extern.
3035         * omp-low.h (set_oacc_fn_attrib): Declare.
3036         * tree-parloops.c (struct reduction_info): Add reduc_addr field.
3037         (create_call_for_reduction_1): Handle case that reduc_addr is non-NULL.
3038         (create_parallel_loop, gen_parallel_loop, try_create_reduction_list):
3039         Add and handle function parameter oacc_kernels_p.
3040         (find_reduc_addr, get_omp_data_i_param): New function.
3041         (ref_conflicts_with_region, oacc_entry_exit_ok_1)
3042         (oacc_entry_exit_single_gang, oacc_entry_exit_ok): New function.
3043         (parallelize_loops): Add and handle function parameter oacc_kernels_p.
3044         Calculate dominance info.  Skip loops that are not in a kernels region
3045         in oacc_kernels_p mode.  Skip inner loops of parallelized loops.
3046         (pass_parallelize_loops::execute): Call parallelize_loops with
3047         oacc_kernels_p argument.
3048         (pass_parallelize_loops::clone, pass_parallelize_loops::set_pass_param):
3049         New member function.
3050         (pass_parallelize_loops::bool oacc_kernels_p): New member var.
3051         * passes.def: Add argument to pass_parallelize_loops instantation.
3053 2016-01-18  Tom de Vries  <tom@codesourcery.com>
3055         * tree-parloops.c (pass_parallelize_loops::execute): Allow
3056         pass_parallelize_loops to be run outside the loop pipeline.
3058 2016-01-18  Alan Lawrence  <alan.lawrence@arm.com>
3060         * tree-scalar-evolution.c (follow_copies_to_constant): New.
3061         (analyze_initial_condition, analyze_scalar_evolution_1): Call previous.
3063 2016-01-18  Alan Lawrence  <alan.lawrence@arm.com>
3065         PR target/63679
3066         * tree-ssa-scopedtables.c (avail_expr_hash): Hash MEM_REF and ARRAY_REF
3067         using get_ref_base_and_extent.
3068         (equal_mem_array_ref_p): New.
3069         (hashable_expr_equal_p): Add call to previous.
3071 2016-01-18  Alan Lawrence  <alan.lawrence@arm.com>
3073         PR target/63679
3074         * tree-sra.c (disqualified_constants, constant_decl_p): New.
3075         (sra_initialize): Allocate disqualified_constants.
3076         (sra_deinitialize): Free disqualified_constants.
3077         (disqualify_candidate): Update disqualified_constants when appropriate.
3078         (create_access): Scan for constant-pool entries as we go along.
3079         (scalarizable_type_p): Add check against type_contains_placeholder_p.
3080         (maybe_add_sra_candidate): Allow constant-pool entries.
3081         (load_assign_lhs_subreplacements): Bind debug for constant pool vars.
3082         (initialize_constant_pool_replacements): New.
3083         (sra_modify_assign): Avoid mangling assignments created by previous,
3084         and don't generate writes into constant pool.
3085         (sra_modify_function_body): Call initialize_constant_pool_replacements.
3087 2016-01-18  Ilya Enkovich  <enkovich.gnu@gmail.com>
3089         * config/i386/i386.c (scalar_to_vector_candidate_p): Support
3090         andnot instruction.
3091         (scalar_chain::convert_op): Likewise.
3092         * config/i386/i386.md (*andndi3_doubleword): New.
3094 2016-01-18  Richard Biener  <rguenther@suse.de>
3096         PR tree-optimization/69170
3097         * tree-vect-slp.c (vect_build_slp_tree): Verify we are not
3098         building a vector from scalar results of a pattern stmt.
3100 2016-01-18  Jakub Jelinek  <jakub@redhat.com>
3102         * haifa-sched.c (autopref_multipass_init): Work around
3103         -Wmaybe-uninitialized warning.
3105 2016-01-18  Thomas Preud'homme  <thomas.preudhomme@arm.com>
3107         * config/arm/arm.c (thumb1_reorg): Check that the comparison is
3108         against the constant 0.
3110 2016-01-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3112         PR tree-optimization/68799
3113         * gimple-ssa-strength-reduction.c (create_phi_basis): Directly
3114         look up phi candidates in the statement-candidate map.
3115         (phi_add_costs): Likewise.
3116         (record_phi_increments): Likewise.
3117         (phi_incr_cost): Likewise.
3118         (ncd_with_phi): Likewise.
3119         (all_phi_incrs_profitable): Likewise.
3121 2016-01-17  Jakub Jelinek  <jakub@redhat.com>
3123         * omp-low.c (mark_loops_in_oacc_kernels_region): Work around
3124         -Wmaybe-uninitialized warning.
3126 2016-01-16  Sandra Loosemore  <sandra@codesourcery.com>
3128         * doc/invoke.texi (Invoking GCC): Add new section to menu.
3129         (Option Summary): Update to reflect new section and moved options.
3130         (C++ Dialect Options): Move -fvtable-verify and related options.
3131         (Debugging Options): Move Sanitizer, Pointer Bounds Checker,
3132         and profiling-related options.
3133         (Optimization Options): Move profile generation options and
3134         -fstack-protector and related options.
3135         (Instrumentation Options): New section incorporating moved options.
3136         (Code Generation Options): Move -finstrument-functions and
3137         related options, -fstack-check, -fstack-limit*, and -fbounds-check.
3139 2016-01-16  Tom de Vries  <tom@codesourcery.com>
3141         * passes.def: Move pass_expand_omp_ssa out of pass_parallelize_loops.
3143 2016-01-16  Tom de Vries  <tom@codesourcery.com>
3145         * omp-low.c (expand_omp_atomic_fetch_op):  Release defs of update stmt.
3147 2016-01-16  Richard Sandiford  <richard.sandiford@arm.com>
3149         * hash-table.h (hash_table::empty): Turn into an inline wrapper
3150         that checks whether the table is already empty.  Rename the
3151         original implementation to...
3152         (hash_table::empty_slot): ...this new private function.
3154 2016-01-15  David Malcolm  <dmalcolm@redhat.com>
3156         PR diagnostic/68899
3157         * diagnostic-show-locus.c (layout::print_source_line): Move x
3158         offset of line until after call to
3159         get_line_width_without_trailing_whitespace.
3161 2016-01-15  Jeff Law  <law@redhat.com>
3163         PR tree-optimization/69270
3164         * tree-ssanames.c (ssa_name_has_boolean_range): Moved here from
3165         tree-ssa-dom.c.  Improve test for [0..1] ranve from VRP.
3166         * tree-ssa-dom.c (ssa_name_has_boolean_range): Remove.
3167         * tree-ssanames.h (ssa_name_has_boolean_range): Prototype.
3168         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
3169         ssa_name_has_boolean_range and constant_boolean_node.
3171 2016-01-15  Vladimir Makarov  <vmakarov@redhat.com>
3173         PR rtl-optimization/69030
3174         * lra-spills.c (remove_pseudos): Check nrefs and make the function
3175         returning bool.
3176         (spill_pseudos): Delete debug insn for dead pseudo.
3177         (lra_spill): Initiate spill_hard_reg and slots memory separately.
3179 2016-01-15  Jiong Wang  <jiong.wang@arm.com>
3181         * config/aarch64/aarch64-builtins.c (aarch64_types_unopus_qualifiers):
3182         New.
3183         (TYPES_UNOPUS): Likewise.
3184         * config/aarch64/aarch64-simd-builtins.def (lbtruncuv2sf): Correct
3185         builtin type, from UNOP to UNOPUS.
3186         (lbtruncuv4sf): Likewise.
3187         (lbtruncuv2df): Likewise.
3188         (lrounduv2sf): Likewise.
3189         (lrounduv4sf): Likewise.
3190         (lrounduv2df): Likewise.
3191         (lroundusf): Likewise.
3192         (lroundusf): Likewise.
3193         (lceiluv2sf): Likewise.
3194         (lceiluv4sf): Likewise.
3195         (lceiluv2df): Likewise.
3196         (lceilusf): Likewise.
3197         (lceiludf): Likewise.
3198         (lflooruv2sf): Likewise.
3199         (lflooruv4sf): Likewise.
3200         (lflooruv2df): Likewise.
3201         (lfloorusf): Likewise.
3202         (lfloorudf): Likewise.
3203         (lfrintnuv2sf): Likewise.
3204         (lfrintnuv4sf): Likewise.
3205         (lfrintnuv2df): Likewise.
3206         (lfrintnusf): Likewise.
3207         (lfrintnudf): Likewise.
3208         * config/aarch64/arm_neon.h (vcvt_u32_f32): Remove unncessary type
3209         conversion.
3210         (vcvtq_u32_f32): Likewise.
3211         (vcvtq_u64_f64): Likewise.
3212         (vcvta_u32_f32): Likewise.
3213         (vcvtaq_u32_f32): Likewise.
3214         (vcvtaq_u64_f64): Likewise.
3215         (vcvtm_u32_f32): Likewise.
3216         (vcvtmq_u32_f32): Likewise.
3217         (vcvtmq_u64_f64): Likewise.
3218         (vcvtn_u32_f32): Likwise.
3219         (vcvtnq_u32_f32): Likewise.
3220         (vcvtnq_u64_f64): Likewise.
3221         (vcvtp_u32_f32): Likewise.
3222         (vcvtpq_u32_f32): Likewise.
3223         (vcvtpq_u64_f64): Likewise.
3224         (vcvtmd_u64_f64): Likewise.
3225         (vcvtms_u32_f32): Likewise.
3226         (vcvtad_u64_f64): Likewise.
3227         (vcvtas_u32_f32): Likewise.
3228         (vcvtnd_u64_f64): Likewise.
3229         (vcvtns_u32_f32): Likewise.
3230         (vcvtpd_u64_f64): Likewise.
3231         (vcvtps_u32_f32): Likewise.
3233 2016-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3235         * config/aarch64/aarch64.c (aarch64_if_then_else_costs): Handle
3236         CSEL of zero_extended registers.
3238 2016-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3240         * config/aarch64/aarch64.c (aarch64_rtx_costs, COMPARE case):
3241         Handle COMPARE of ZERO_EXTRACT against zero form of TST-immediate.
3243 2016-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3245         * config/aarch64/aarch64.c (aarch64_process_one_target_attr): Return
3246         false when argument string is not found in the attributes table
3247         at all.
3249 2016-01-15  David Edelsohn  <dje.gcc@gmail.com>
3251         PR target/68609
3252         * config/rs6000/rs6000.c (rs6000_emit_msub): Delete.
3253         (rs6000_emit_swsqrt): Convert to Goldschmidt's Algorithm
3254         * config/rs6000/rs6000.md (sqrt<mode>2): Limit swsqrt to high
3255         precision estimate.
3257 2016-01-15  Richard Biener  <rguenther@suse.de>
3259         PR tree-optimization/66856
3260         * tree-vect-loop.c (vect_transform_loop): Free SLP instances here.
3261         * tree-vect-slp.c (vect_free_slp_tree): Decrement stmt reference count.
3262         (vect_create_new_slp_node): Increment stmt reference count.
3263         (vect_get_and_check_slp_defs): Make sure stmts are nor already in
3264         an SLP tree before swapping operands.
3265         (vect_build_slp_tree): Likewise.
3266         (destroy_bb_vec_info): Free stmt info after SLP instances.
3267         * tree-vect-stmts.c (new_stmt_vec_info): Initialize reference count.
3268         * tree-vectorizer.h (struct _stmt_vec_info): Add num_slp_uses field.
3269         (STMT_VINFO_NUM_SLP_USES): New macro.
3271 2016-01-15  Richard Biener  <rguenther@suse.de>
3273         PR debug/69137
3274         * dwarf2out.c (add_linkage_name_raw): New function split out from ...
3275         (add_linkage_name): ... here.
3276         (gen_typedef_die): Use add_linkage_name_raw instead of
3277         add_linkage_attr to delay DECL_ASSEMBLER_NAME computation
3278         if necessary.
3280 2016-01-15  Cesar Philippidis  <cesar@codesourcery.com>
3282         * gimplify.c (oacc_default_clause): Decode reference and pointer
3283         types for both kernels and parallel regions.
3285 2016-01-15  Richard Sandiford  <richard.sandiford@arm.com>
3287         PR middle-end/69246
3288         * calls.c (emit_call_1): Force n_popped to zero for sibcalls.
3290 2016-01-15  Ilya Enkovich  <enkovich.gnu@gmail.com>
3292         * config/i386/i386.c (scalar_chain::compute_convert_gain): Fix typo.
3293         (convert_scalars_to_vector): Likewise.
3295 2016-01-15  Jonathan Wakely  <jwakely@redhat.com>
3297         * doc/extend.texi (Type Traits): Fix grammar.
3299 2016-01-15  Martin Jambor  <mjambor@suse.cz>
3301         * tree-inline.c (remap_decl): Use existing dclarations if
3302         remapping a type and prevent_decl_creation_for_types.
3303         (replace_locals_stmt): Do an initial remapping of non-VLA typed
3304         decls first.  Do real remapping with
3305         prevent_decl_creation_for_types set.
3306         * tree-inline.h (copy_body_data): New field
3307         prevent_decl_creation_for_types, moved remap_var_for_cilk to avoid
3308         padding.
3310 2016-01-15  Dominik Vogt  <vogt@linux.vnet.ibm.com>
3312         * config/s390/s390.opt (mmvcle): More verbose help text.
3314 2016-01-15  Dominik Vogt  <vogt@linux.vnet.ibm.com>
3316         * config/s390/s390.opt: Add period to -mzvector option text.
3318 2016-01-15  Richard Biener  <rguenther@suse.de>
3320         PR tree-optimization/68961
3321         * tree-vect-slp.c (vect_analyze_slp_cost_1): Consider cost
3322         of invariants in stores again.
3324 2016-01-15  Sebastian Huber  <sebastian.huber@embedded-brains.de>
3326         * config/arm/t-rtems: Add cortex-m7/fpv5-d16 multilib.
3328 2016-01-15  Ilya Enkovich  <enkovich.gnu@gmail.com>
3330         * config/i386/i386.c (ix86_expand_branch): Don't split
3331         DI mode xor instruction to SI mode.
3333 2016-01-15  Jan Hubicka  <hubicka@ucw.cz>
3335         PR ipa/68148
3336         * ipa-icf.c (sem_function::merge): Virtual functions may become
3337         reachable even if they address is not taken and there are no
3338         idrect calls.
3340 2016-01-15  Jan Hubicka  <hubicka@ucw.cz>
3342         * lto-streamer-out.c (subtract_estimated_size): New function.
3343         (get_symbol_initial_value): Use it.
3345 2016-01-15  Christian Bruel  <christian.bruel@st.com>
3347         PR target/65837
3348         * config/arm/arm-builtins.c (ARM_BUILTIN_CRYPTO_BASE): New enum tag.
3349         (arm_init_neon_builtins_internal): Rename arm_init_neon_builtins,
3350         (arm_init_crypto_builtins_internal): Rename arm_init_crypto_builtins.
3351         use add_builtin_function_ext_scope instead of add_builtin_function.
3352         (neon_set_p, neon_crypto_set_p): Remove.
3353         (arm_init_builtins): Always call arm_init_neon_builtins and
3354         arm_init_crypto_builtins.
3355         (arm_expand_builtin): Check that builtins are allowed for the arch.
3356         * config/arm/arm-protos.h (arm_init_neon_builtins): Remove prototype.
3357         * config/arm/arm.c (arm_valid_target_attribute_tree): Remove
3358         arm_init_neon_builtins call.
3360 2016-01-15  Richard Biener  <rguenther@suse.de>
3362         PR tree-optimization/69117
3363         * tree-ssa-sccvn.h (struct vn_ssa_aux): Add info member.
3364         * tree-ssa-sccvn.c (set_ssa_val_to): Save and adjust SSA name info
3365         of the leader conservatively.
3366         (free_scc_vn): Restore original SSA name infos.
3368 2016-01-14  Jeff Law  <law@redhat.com>
3370         PR tree-optimization/69270
3371         * tree-ssa-dom.c (ssa_name_has_boolean_range): If the type has a
3372         single bit of precision, verify it's also unsigned.
3373         (record_edge_info): Use constant_boolean_node rather than fold_convert
3374         to convert boolean_true/boolean_false to the right type.
3376 2016-01-14  Richard Henderson  <rth@redhat.com>
3378         PR rtl-opt/69014
3379         * loop-doloop.c (record_reg_sets): New.
3380         (doloop_optimize): Reject the transform if the sequence
3381         clobbers registers live at the end of the loop block.
3382         (doloop_optimize_loops): Enable df_live if needed.
3384 2016-01-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
3386         * config/rs6000/rs6000-builtin.def: Revert 2016-01-13 change.
3387         * gcc/config/rs6000/rs6000.c: Likewise.
3388         * gcc/config/rs6000/rs6000.h: Likewise.
3389         * gcc/config/rs6000/rs6000.md: Likewise.
3390         * gcc/doc/extend.texi: Likewsie.
3392 2016-01-14  Jeff Law  <law@redhat.com>
3394         * tree-ssa-dom.c (ssa_name_has_boolean_range): Fix comment
3395         typo.
3397 2016-01-14  Richard Henderson  <rth@redhat.com>
3399         PR c/69272
3400         PR tree-opt/68964
3401         * trans-mem.c (tm_log_emit_stmt): Fix unit size to bit size.
3402         * tree.c (build_tm_vector_builtins): Use builtin_decl_explicit_p
3403         instead of builtin_decl_declared_p to test for declaration.
3405 2016-01-14  Nicklas Bo Jensen  <nbjensen@gmail.com>
3407         * doc/loop.texi (Loop Analysis and Representation): Document
3408         loop_depth function.
3410 2016-01-14  Tom de Vries  <tom@codesourcery.com>
3412         PR tree-optimization/68773
3413         * omp-low.c (expand_omp_target): Don't set force_output.
3414         * varpool.c (varpool_node::get_create): Same.
3415         * lto-cgraph.c (input_offload_tables): Mark entries in offload_vars and
3416         offload_funcs with force_output.
3418 2016-01-14  Jakub Jelinek  <jakub@redhat.com>
3420         PR debug/69244
3421         * lra-eliminations.c (move_plus_up): Don't change anything if either
3422         the outer or inner subreg mode is not MODE_INT.
3423         * dwarf2out.c (mem_loc_descriptor): For SUBREG, if outer mode is
3424         integral <= DWARF2_ADDR_SIZE, convert to untyped afterwards.
3426 2016-01-14  Alan Lawrence  <alan.lawrence@arm.com>
3428         * doc/md.texi (reduc_smin_@var{m}, reduc_smax_@var{m},
3429         reduc_umin_@var{m}, reduc_umax_@var{m}, reduc_splus_@var{m},
3430         reduc_uplus_@var{m}): Remove.
3431         * expr.c (expand_expr_real_2): Remove expansion path for
3432         reduc_[us](min|max|plus) optabs.
3433         * optabs-tree.c (scalar_reduc_to_vector): Remove.
3434         * optabs-tree.h (scalar_reduc_to_vector): Remove.
3435         * optabs.def (reduc_smax_optab, reduc_smin_optab, reduc_splus_optab,
3436         reduc_umax_optab, reduc_umin_optab, reduc_uplus_optab): Remove.
3437         * tree-vect-loop.c (vectorizable_reduction): Remove test for
3438         reduc_[us](min|max|plus) optabs.
3440 2016-01-14  Alan Lawrence  <alan.lawrence@arm.com>
3442         * config/mips/mips-ps-3d.md (reduc_splus_v2sf): Remove.
3443         (reduc_plus_scal_v2sf): New.
3444         (reduc_smax_v2sf): Rename to...
3445         (reduc_smax_scal_v2sf): ...here, make result SFmode, add vec_extract.
3446         (reduc_smin_v2sf): Rename to...
3447         (reduc_smin_scal_v2sf): ...here, make result SFmode, add vec_extract.
3449 2016-01-14  Jan Hubicka  <hubicka@ucw.cz>
3451         * alias.c (compare_base_symbol_refs): New function.
3452         (rtx_equal_for_memref_p, base_alias_check, memrefs_conflict_p): Use
3453         it.
3455 2016-01-14  Jakub Jelinek  <jakub@redhat.com>
3457         PR middle-end/68146
3458         PR tree-optimization/69155
3459         * tree-complex.c: Include cfganal.h.
3460         (phis_to_revisit): New variable.
3461         (extract_component): Add phiarg_p argument.  Assert that returned
3462         SSA_NAME has non-NULL SSA_NAME_DEF_STMT unless phiarg_p is true.
3463         (update_phi_components): Partly rewrite to use loop over real/imag
3464         components instead of code duplication.  If extract_component returns
3465         SSA_NAME with NULL SSA_NAME_DEF_STMT, store SSA_NAME_VAR or
3466         create_tmp_reg into the PHI node instead, and mention the phi triplet
3467         in phis_to_revisit.
3468         (tree_lower_complex): Walk bbs in rpo order.  Adjust phis recorded
3469         in phis_to_revisit at the end.
3471 2016-01-14  Richard Biener  <rguenther@suse.de>
3473         PR tree-optimization/68060
3474         * tree-vect-loop.c (vect_is_simple_reduction): Check the
3475         outer loop reduction is only used in the inner loop before
3476         detecting a double reduction.
3478 2016-01-14  Jakub Jelinek  <jakub@redhat.com>
3480         PR target/68269
3481         * combine.c (expand_field_assignment): Punt if compute_mode is
3482         unsupported scalar mode.
3484 2016-01-14  Richard Biener  <rguenther@suse.de>
3486         PR tree-optimization/66856
3487         * tree-vect-slp.c (vect_build_slp_tree): Refactor to build
3488         SLP node only if it built successfully.
3489         (vect_analyze_slp_instance): Adjust.
3491 2016-01-14  Jeff Law  <law@redhat.com>
3493         PR tree-optimization/69270
3494         * tree-ssa-dom.c (ssa_name_has_boolean_range): New function.
3495         (record_edge_info): Use it.  Convert boolean_{true,false}_node
3496         to the type of op0.
3498 2016-01-13  Jan Hubicka  <hubicka@ucw.cz>
3500         PR ipa/66487
3501         * ipa-polymorphic-call.c (inlined_polymorphic_ctor_dtor_block_p):
3502         use block_ultimate_origin
3503         (noncall-stmt_may_be_vtbl_ptr_store): Likewise.
3505 2016-01-13  Sandra Loosemore <sandra@codesourcery.com>
3507         * doc/invoke.texi (Submodel Options): Rename section to
3508         "Machine-Dependent Options" to better reflect its content.
3509         Rewrite introductory text to remove archaic CPU names.
3510         Update references.
3512 2016-01-13  Sandra Loosemore <sandra@codesourcery.com>
3514         * doc/invoke.texi (Code Gen Options): Move section up in file,
3515         before target-specific options.  Update menu and option summary
3516         to reflect the new section ordering.
3518 2016-01-13  Jonathan Wakely  <jwakely@redhat.com>
3520         * doc/invoke.texi (C Dialect Options): Adjust -std default for C++.
3521         (C++ Dialect Options): Add cross-reference to -std option.
3522         * doc/standards.texi (C++ Language): Document C++14 support.
3524 2016-01-13  Michael Meissner  <meissner@linux.vnet.ibm.com>
3526         * config/rs6000/rs6000-builtin.def (BU_FLOAT128_2): Add support
3527         for pack/unpack functions for __ibm128.
3528         (PACK_IF): Likewise.
3529         (UNPACK_IF): Likewise.
3531         * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Add
3532         support for __ibm128 pack/unpack functions.
3533         (rs6000_invalid_builtin): Likewise.
3534         (rs6000_init_builtins): Likewise.
3535         (rs6000_opt_masks): Likewise.
3537         * config/rs6000/rs6000.h (MASK_FLOAT128): Add short name.
3538         (RS6000_BTM_FLOAT128): Add support for __ibm128 pack/unpack
3539         functions
3540         (RS6000_BTM_COMMON): Likewise.
3542         * config/rs6000/rs6000.md (f128_vsx): New mode attribute.
3543         (unpack<mode>): Use FMOVE128_FPR iterator instead of FMOVE128, to
3544         disallow __builtin_{pack,unpack}_longdouble if long double is IEEE
3545         128-bit floating point.  Add support for the double values to be
3546         in Altivec registers for TF/IF packing and unpacking, but restrict
3547         TD packing sub-fields to be FPR registers.  Don't allow overlapped
3548         register support for packing.  Allow pack inputs to be memory
3549         locations.  Don't build generator functions for unpack<mode>_dm
3550         and unpack<mode>_nodm.
3551         (unpack<mode>_dm): Likewise.
3552         (unpack<mode>_nodm): Likewise.
3553         (pack<mode>): Likewise.
3555         * config/rs6000/rs6000-builtin.def (__builtin_pack_ibm128): Add
3556         built-in functions to pack/unpack explicit __ibm128 values.
3557         (__builtin_unpack_ibm128): Likewise.
3559         * doc/extend.texi (PowerPC Built-in Functions): Document
3560         __builtin_pack_ibm128 and __builtin_unpack_ibm128.
3562 2016-01-13  Bernd Schmidt  <bschmidt@redhat.com>
3564         PR c/66208
3565         * c-common.c (check_function_nonnull): Remove unnecessary declaration.
3566         Add new arg loc and pass it down as context.
3567         (check_nonnull_arg): Don't mark ctx arg as unused. Use it as a pointer
3568         to the location to use for the warning.
3569         (check_function_arguments): New arg loc.  All callers changed.  Pass
3570         it to check_function_nonnull.
3571         * c-common.h (check_function_arguments): Adjust declaration.
3573 2016-01-13  Jakub Jelinek  <jakub@redhat.com>
3575         PR tree-optimization/69156
3576         * gimple.c (validate_type): Removed.
3577         (gimple_builtin_call_types_compatible_p): Use
3578         useless_type_conversion_p instead of validate_type.
3579         * value-prof.c (gimple_stringop_fixed_value): Fold
3580         icall_size to correct type.
3582 2016-01-13  Jonathan Wakely  <jwakely@redhat.com>
3584         * doc/extend.texi (__atomic Builtins): Clarify compare_exchange
3585         effects.
3587 2016-01-13  Richard Henderson  <rth@redhat.com>
3589         PR tree-opt/68964
3590         * target.def (builtin_tm_load, builtin_tm_store): Remove.
3591         * config/i386/i386.c (ix86_builtin_tm_load): Remove.
3592         (ix86_builtin_tm_store): Remove.
3593         (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
3594         (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
3595         * doc/tm.texi.in (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
3596         (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
3597         * doc/tm.texi: Rebuild.
3599         * gtm-builtins.def (BUILT_IN_TM_MEMCPY_RNWT): New.
3600         (BUILT_IN_TM_MEMCPY_RTWN): New.
3601         * trans-mem.c (tm_log_emit_stmt): Rearrange code for better
3602         fallback from vector to integer helpers.
3603         (build_tm_load): Handle vector types directly, instead of
3604         via target hook.
3605         (build_tm_store): Likewise.
3606         (expand_assign_tm): Prepare for register types not handled by
3607         the above.  Copy them to memory and use memcpy.
3608         * tree.c (tm_define_builtin): New.
3609         (find_tm_vector_type): New.
3610         (build_tm_vector_builtins): New.
3611         (build_common_builtin_nodes): Call it.
3613 2016-01-13  Uros Bizjak  <ubizjak@gmail.com>
3615         * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Return -1 for
3616         TARGET_SSE_MATH without TARGET_SSE2.  Rewrite.
3618 2016-01-13  Tom de Vries  <tom@codesourcery.com>
3620         PR tree-optimization/69169
3621         * tree-ssa-structalias.c (create_variable_info_for_1): Add and handle
3622         handled_struct_type param.
3623         (create_variable_info_for, intra_create_variable_infos): Call
3624         create_variable_info_for_1 with extra arg.
3626 2016-01-13  Yvan Roux  <yvan.roux@linaro.org>
3628         * config/arm/arm-arches.def: Remove spurious whitespace in "armv8.1-a"
3629         and "armv8.1-a+crc" entries.
3631 2016-01-13  Alexander Fomin  <alexander.fomin@intel.com>
3633         PR target/69228
3634         * config/i386/sse.md (define_expand "avx512pf_gatherpf<mode>sf"):
3635         Change first operand predicate from register_or_constm1_operand
3636         to register_operand.
3637         (define_expand "avx512pf_gatherpf<mode>df"): Likewise.
3638         (define_expand "avx512pf_scatterpf<mode>sf"): Likewise.
3639         (define_expand "avx512pf_scatterpf<mode>df"): Likewise.
3640         (define_insn "*avx512pf_gatherpf<mode>sf"): Remove.
3641         (define_insn "*avx512pf_gatherpf<mode>df"): Likewise.
3642         (define_insn "*avx512pf_scatterpf<mode>sf"): Likewise.
3643         (define_insn "*avx512pf_scatterpf<mode>df"): Likewise.
3644         * config/i386/i386.c (ix86_expand_builtin): Remove first operand
3645         comparison with constm1_rtx from vec_prefetch_gen part.
3647 2016-01-13  Richard Biener  <rguenther@suse.de>
3649         PR tree-optimization/69013
3650         * tree-ssa-uninit.c (prune_uninit_phi_opnds_in_unrealizable_paths):
3651         Exchange assert for a test.
3653 2016-01-13  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
3655         PR target/69247
3656         * config/s390/s390.md (bswaphi splitter): Use simplify_gen_subreg.
3658 2016-01-13  Richard Biener  <rguenther@suse.de>
3660         PR tree-optimization/69242
3661         * tree-ssa-sccvn.c (visit_reference_op_load): Replace bogus
3662         assert with a check.
3664 2016-01-13  Richard Biener  <rguenther@suse.de>
3666         PR tree-optimization/69186
3667         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
3668         Properly guard vect_update_misalignment_for_peel call.
3670 2016-01-12  Jeff Law  <law@redhat.com>
3672         PR tree-optimization/pr67755
3673         * tree-ssa-threadupdate.c (struct ssa_local_info_t): Add new field
3674         "need_profile_correction".
3675         (thread_block_1): Initialize new field to false by default.  If we
3676         have multiple thread paths through a common joiner to different
3677         final targets, then set new field to true.
3678         (compute_path_counts): Only do count adjustment when it's really
3679         needed.
3681 2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>
3683         * doc/invoke.texi (Spec Files): Move section down in file, past
3684         all command-line option descriptions.
3686 2016-01-12  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
3688         PR middle-end/54809
3689         * doc/gty.texi: Remove documentation of mark_hook.
3690         * gengtype.c (struct write_types_data): Remove code to support
3691         mark_hook attribute.
3692         (walk_type): Likewise.
3693         (write_func_for_structure): Likewise.
3695 2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>
3697         * doc/invoke.texi (Option Summary) Move -no-canonical-prefixes to
3698         Directory Options, and -specs= to Overall Options.
3699         (Overall Options): Adjust similarly.  Reorder to group related
3700         options together.  Make -specs= cross-reference the spec file details.
3701         (Directory Options): Adjust similarly.
3703 2016-01-12  Jeff Law  <law@redhat.com>
3705         * tree-ssa-threadupdate.c: Various whitespace and typo fixes.
3707 2016-01-12  Olivier Hainque  <hainque@adacore.com>
3709         * gcc.c (spec_undefvar_allowed): New global.
3710         (process_command): Set to true when running for --version or --help,
3711         alone or together.
3712         (getenv_spec_function): When the variable is not defined, use the
3713         variable name as the variable value if we're allowed not to issue
3714         a fatal error.
3716 2016-01-12  Bin Cheng  <bin.cheng@arm.com>
3718         PR tree-optimization/68911
3719         * tree-vrp.c (adjust_range_with_scev): Check overflow in range
3720         information computed for expression "init + nit * step".
3722 2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>
3724         * doc/invoke.texi (Invoking GCC): Copy-edit.  Incorporate information
3725         about name of GCC executable.  Remove deleted node from menu.
3726         (Directory Options) <-B>: Remove cross-reference to deleted node.
3727         (Target Options): Delete section.
3729 2016-01-12  Christian Bruel  <christian.bruel@st.com>
3731         PR target/69180
3732         * config/arm/arm-c.c (arm_pragma_target_parse): Set NODE_CONDITIONAL
3733         for __ARM_NEON_FP, __ARM_FP, _ARM_FEATURE_LDREX.
3735 2016-01-12  Jakub Jelinek  <jakub@redhat.com>
3737         PR target/69198
3738         * config/i386/i386.c (ix86_expand_special_args_builtin): Ensure
3739         aligned_mem is properly set for AVX512-VL floating point masked
3740         stores.
3742         PR target/69175
3743         * ifcvt.c (cond_exec_process_if_block): When removing the last
3744         insn from then_bb, remove also any possible barriers that follow it.
3746 2016-01-12  H.J. Lu  <hongjiu.lu@intel.com>
3748         PR target/68456
3749         PR target/69226
3750         * config/i386/iamcu.h (SIZE_TYPE): New macro.
3751         (PTRDIFF_TYPE): Likewise.
3752         (WCHAR_TYPE): Likewise.
3753         (WCHAR_TYPE_SIZE): Likewise.
3754         (STDINT_LONG32): Likewise.
3756 2016-01-12  Richard Biener  <rguenther@suse.de>
3758         PR tree-optimization/69053
3759         * tree-vect-loop.c (get_initial_def_for_reduction): Properly
3760         convert initial value for cond reductions.
3762 2016-01-12  Richard Biener  <rguenther@suse.de>
3764         PR tree-optimization/69007
3765         * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Move
3766         widen_sum after dot_prod and sad.
3768 2016-01-12  Richard Biener  <rguenther@suse.de>
3770         PR tree-optimization/69168
3771         * tree-vect-loop.c (vect_analyze_loop_2): Reset both main and
3772         pattern stmt SLP type.
3773         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Patterns may
3774         end up unused so cope with that case.
3776 2016-01-12  Richard Biener  <rguenther@suse.de>
3778         PR tree-optimization/69157
3779         * tree-vect-stmts.c (vectorizable_mask_load_store): Check
3780         stmts def type only during analyze phase.
3781         (vectorizable_call): Likewise.
3782         (vectorizable_simd_clone_call): Likewise.
3783         (vectorizable_conversion): Likewise.
3784         (vectorizable_assignment): Likewise.
3785         (vectorizable_shift): Likewise.
3786         (vectorizable_operation): Likewise.
3787         (vectorizable_store): Likewise.
3788         (vectorizable_load): Likewise.
3790 2016-01-12  Richard Biener  <rguenther@suse.de>
3792         PR tree-optimization/69174
3793         * tree-vect-stmts.c (vect_mark_relevant): Remove excessive vertical
3794         space.
3795         (vectorizable_load): Properly compute the number of loads needed
3796         for permuted strided SLP loads and do not spuriously assign
3797         to SLP_TREE_VEC_STMTS.
3799 2016-01-12  Andris Pavenis  <andris.pavenis@iki.fi>
3801         * config/i386/djgpp.h (PREFERRED_DEBUGGING_TYPE): Define to DWARF2
3802         (TARGET_ASM_OUTPUT_IDENT): Define to default_asm_output_ident_directive
3803         (MD_EXEC_PREFIX): Remove.
3804         (MD_STARTFILE_PREFIX) Removee.
3805         (FILE_NAME_ABSOLUTE_P): Remove.
3806         (CPP_SPEC): Do not read macros from sys/version.h.
3807         (LINK_COMMAND_SPEC): Remove.
3808         (LOCAL_INCLUDE_DIR): Remove.
3809         (TARGET_ASM_NAMED_SECTION): Define to i386_djgpp_asm_named_section
3810         (TARGET_OS_CPP_BUILTINS): Add DJGPP (non ISO only), __DJGPP, __DJGPP__, unix.
3811         (POST_LINK_SPEC): Define to invoke stubify after linker
3812         (LIBSTDCXX): Remove define
3813         (DBX_REGISTER_NUMBER): Define to svr4_dbx_register_map.
3814         (DEFAULT_PCC_STRUCT_RETURN): Define to 1.
3815         (SUBTARGET_OVERRIDE_OPTIONS): Remove warning about -mbnu2210.
3816         (SUBTARGET_OVERRIDE_OPTIONS): Ignore -fPIC and generate message.
3817         (SUBTARGET_OVERRIDE_OPTIONS): Default to DWARF2 debugging info.
3818         (IX86_MAYBE_NO_LIBGCC_TFMODE): Remove.
3819         (i386_djgpp_asm_named_section): Add propotype of new procedure
3821         * config/i386/xm-djgpp.h (NATIVE_SYSTEM_HEADER_DIR): Define.
3822         (MD_EXEC_PREFIX): Define (moved from config/i386/djgpp.h).
3823         (STANDARD_STARTFILE_PREFIX_1): Define (moved from MD_STARTFILE_PREFIX
3824         in config/i386/djgpp.h).
3825         (STANDARD_STARTFILE_PREFIX_2): Define identical to
3826         STANDARD_STARTFILE_PREFIX_1.
3827         (LOCAL_INCLUDE_DIR): Define (moved from config/i386/djgpp.h).
3828         (GCC_DRIVER_HOST_INITIALIZATION): Fix reporting fatal
3829         installation errors.
3830         (MAX_OFILE_ALIGNMENT): Define to 128.
3831         (HAVE_FTW_H): Undefine as DJGPP do not have nftw, but have ftw.h.
3833         * config/i386/djgpp.c: New file. Add implementation of
3834         i386_djgpp_asm_named_section.
3836         * config/i386/djgpp.opt: Remove obsolete option -mbnu210.
3838         * config/i386/t-djgpp: New file. Add djgpp.o to EXTRA_OBJS.
3839         Add rule for building djgpp.o.
3841 2016-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3843         * config/rs6000/rs6000.c (v2df_reduction_p): New function.
3844         (rtx_is_swappable_p): Reductions are swappable.
3845         (insn_is_swappable_p): V2DF reductions are swappable.
3847 2016-01-11  John David Anglin  <danglin@gcc.gnu.org>
3849         * config/pa/pa.c (pa_emit_move_sequence): Handle floating point
3850         reloads for other unsupported memory operands.
3852 2016-01-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
3853             Jim Wilson  <jim.wilson@linaro.org>
3855         PR target/69194
3856         * config/arm/arm-builtins.c (arm_expand_neon_args): Call
3857         copy_to_mode_reg instead of force_reg.
3859 2016-01-11  H.J. Lu  <hongjiu.lu@intel.com>
3861         PR target/69225
3862         * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Set to 2 only if
3863         TARGET_80387 is true.
3865 2016-01-11  Jakub Jelinek  <jakub@redhat.com>
3867         PR target/69071
3868         * lra-eliminations.c (move_plus_up): Only move plus up
3869         if subreg of the constant can be simplified into constant
3870         and use the simplified subreg of the constant instead of
3871         the original constant.
3873         * fold-const.c (fold_convertible_p): Don't return true
3874         for conversion of VECTOR_TYPE to same sized integral type.
3875         (fold_convert_loc): Fix up formatting.  Fold conversion of
3876         VECTOR_TYPE to same sized integral type using VIEW_CONVERT_EXPR
3877         instead of NOP_EXPR.
3879         PR tree-optimization/69214
3880         * tree-vrp.c (simplify_cond_using_ranges): Don't propagate
3881         innerop into a comparison if SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
3882         Formatting fix.
3884         PR tree-optimization/69207
3885         * tree-vect-slp.c (vect_get_constant_vectors): For
3886         VECTOR_BOOLEAN_TYPE_P, assert op has integral type instead of
3887         fold_convertible_p to vector_type's element type, and always
3888         use VCE for non-VECTOR_BOOLEAN_TYPE_P.
3890 2016-01-11  Richard Biener  <rguenther@suse.de>
3892         PR tree-optimization/69173
3893         * tree-vect-loop.c (vect_fixup_scalar_cycles_with_patterns): Only
3894         fixup the cycle if all stmts are in a pattern.
3896 2016-01-11  Uros Bizjak  <ubizjak@gmail.com>
3898         PR middle-end/68999
3899         * alias.c (base_alias_check): Move check for addresses with
3900         alignment ANDs before the call for compare_base_decls.
3901         (memrefs_conflict_p): Return -1 for different decls
3902         that went through alignment adjustments.
3904 2016-01-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3906         PR rtl-optimization/68796
3907         * config/aarch64/aarch64.md (*and<mode>_compare0): New pattern.
3908         * config/aarch64/aarch64.c (aarch64_select_cc_mode): Handle HImode
3909         and QImode comparisons against zero with CC_NZmode.
3910         * config/aarch64/iterators.md (short_mask): New mode_attr.
3912 2016-01-11  H.J. Lu  <hongjiu.lu@intel.com>
3914         * config/i386/sse.md (<avx512>_load<mode>_mask): Remove snprintf.
3915         (<avx512>_store<mode>_mask): Likewise.
3917 2016-01-11  Bernd Schmidt  <bschmidt@redhat.com>
3918             Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3920         PR rtl-optimization/68841
3921         * ifcvt.c (struct noce_if_info): Add orig_x field.
3922         (bbs_ok_for_cmove_arith): Add to_rename parameter.
3923         Don't record conflicts on to_rename if it's present.
3924         Allow memory destinations in sets.
3925         (noce_try_cmove_arith): Call bbs_ok_for_cmove_arith even on simple
3926         blocks, passing orig_x to the checks.
3927         (noce_process_if_block): Set if_info->orig_x appropriately.
3929 2016-01-11  Tom de Vries  <tom@codesourcery.com>
3931         PR tree-optimization/69069
3932         * tree-parloops.c (create_parallel_loop): Add missing phi args.
3934 2016-01-11  Yuri Rumyantsev  <ysrumyan@gmail.com>
3936         PR rtl-optimization/68920
3937         * config/i386/i386.c (ix86_option_override_internal): Restrict number
3938         of conditional moves for  RTL if-conversion to 1 for
3939         TARGET_ONE_IF_CONV_INSN.
3940         * config/i386/i386.h (TARGET_ONE_IF_CONV_INSN): New macros.
3941         * config/i386/x86-tune.def (X86_TUNE_ONE_IF_CONV_INSN): New macros.
3942         * params.def (PARAM_MAX_RTL_IF_CONVERSION_INSNS) : Introduce new
3943         parameter to restirct number of conditional moves for
3944         RTL if-conversion.
3945         * doc/invoke.texi (max-rtl-if-conversion-insns): Document it.
3946         * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Limit number of
3947         conditionl moves.
3949 2016-01-11  Alexandre Oliva  <aoliva@redhat.com>
3951         PR bootstrap/69123
3952         * var-tracking.c (drop_overlapping_mem_locs): Operate on all
3953         onepart vars.  Fix typo in comment.  Fix reversed condition in
3954         unshare test.
3955         (dataflow_set_remove_mem_locs): Operate on all onepart vars.
3957         PR bootstrap/69123
3958         * var-tracking.c (dump_onepart_variable_differences): New.
3959         (dataflow_set_different): If a detailed dump is requested,
3960         delay early returns and dump differences between onepart
3961         variables present before and after, and added variables.
3963 2016-01-11  Ilya Enkovich  <enkovich.gnu@gmail.com>
3965         PR target/69010
3966         * expr.c (expand_expr_real_1): For boolean vector constants
3967         with a scalar mode use const_scalar_mask_from_tree.
3968         (const_scalar_mask_from_tree): New.
3969         * optabs.c (expand_vec_cond_mask_expr): Use mask mode
3970         assigned to a mask type to handle constants.
3972 2016-01-11  Martin Jambor  <mjambor@suse.cz>
3974         PR ipa/69044
3975         * ipa-cp.c (estimate_local_effects): Do not clone for removal of
3976         useless parameters if we cannot change function signature.
3978 2016-01-11  Martin Jambor  <mjambor@suse.cz>
3980         PR ipa/66616
3981         * cgraphclones.c (duplicate_thunk_for_node): Copy can_change_signature
3982         flag.
3984 2016-01-11  Tom de Vries  <tom@codesourcery.com>
3986         PR tree-optimization/69109
3987         * tree-parloops.c (try_transform_to_exit_first_loop_alt): Don't allow
3988         latch with phi.
3990 2016-01-11  Tom de Vries  <tom@codesourcery.com>
3992         PR tree-optimization/69108
3993         * tree-parloops.c (gather_scalar_reductions): Handle case that outer phi
3994         res is not used in a phi.
3996 2016-01-11  Yury Gribov  <y.gribov@samsung.com>
3998         PR 67425
3999         * common.opt (frandom-seed): Fix parameter name.
4000         * doc/invoke.texi (frandom-seed): Ditto and describe parameter.
4002 2016-01-11  Tom de Vries  <tom@codesourcery.com>
4004         PR tree-optimization/69058
4005         * tree-parloops.c (pass_parallelize_loops::execute): Return 0 if libgomp
4006         not supported.
4008 2016-01-11  Andrew Burgess  <andrew.burgess@embecosm.com>
4010         * config/arc/arc.opt (mdiv-rem): Add period to the end.
4011         (mcode-density): Likewise.
4013 2016-01-10  Tom de Vries  <tom@codesourcery.com>
4015         PR tree-optimization/69062
4016         * tree-parloops.c (loop_has_phi_with_address_arg): New function.
4017         (parallelize_loops): Don't paralelize loop that has phi with address
4018         arg.
4020 2016-01-10  Tom de Vries  <tom@codesourcery.com>
4022         PR tree-optimization/69039
4023         * tree-parloops.c (try_create_reduction_list): Only allow single exit
4024         phi for reduction.
4026 2016-01-09  John David Anglin  <danglin@gcc.gnu.org>
4028         PR middle-end/68743
4029         * match.pd: Require target has function_c99_misc before doing
4030         truncl(extend(x)) and trunc(extend(x)) -> extend(truncf(x)), etc.
4032 2016-01-09  Gerald Pfeifer  <gerald@pfeifer.com>
4034         * configure.ac (isl_options_set_schedule_serialize_sccs): Also
4035         use GMPINC.
4036         * configure: Regenerate.
4038 2016-01-09  Jakub Jelinek  <jakub@redhat.com>
4040         PR middle-end/50865
4041         PR tree-optimization/69097
4042         * fold-const.h (expr_not_equal_to): New prototype.
4043         * fold-const.c: Include stringpool.h and tree-ssanames.h.
4044         (expr_not_equal_to): New function.
4045         * match.pd (X % -Y is the same as X % Y): Don't optimize
4046         unless X is known not to be equal to minimum or Y is known
4047         not to be equal to -1.
4048         * tree-vrp.c (simplify_div_or_mod_using_ranges): Add GSI argument.
4049         fold TRUNC_MOD_EXPR if the second argument is not a power of two.
4050         (simplify_stmt_using_ranges): Adjust caller.
4051         (vrp_finalize): Call set_value_range on SSA_NAMEs before calling
4052         substitute_and_fold.
4054 2016-01-09  Jan Hubicka  <hubicka@ucw.cz>
4056         * ipa-icf.c (sem_item_optimizer::merge_classes): Do not ICE on VAR_DECL
4057         w/o DECL_NAME.
4059 2016-01-08  Jakub Jelinek  <jakub@redhat.com>
4061         PR tree-optimization/69167
4062         * gimple-fold.c (replace_stmt_with_simplification): Also punt if
4063         new SSA_NAME_OCCURS_IN_ABNORMAL_PHI SSA_NAMEs appear in operands of
4064         ops[0] comparison.
4065         * gimple-match-head.c (maybe_push_res_to_seq): Likewise.
4067 2016-01-08  Alan Lawrence  <alan.lawrence@arm.com>
4068             Richard Biener  <rguenther@suse.de>
4070         PR tree-optimization/68707
4071         * tree-vect-slp.c (vect_analyze_slp_instance): Cancel permuted SLP
4072         instances that can be handled via vect_load_lanes.
4074 2016-01-08  Uros Bizjak  <ubizjak@gmail.com>
4076         * symtab.c (symtab_node::equal_address_to): Return -1 instead of 2
4077         if we can't determine address equivalence.
4078         * alias.c (compare_base_decl): Update for changed return value of
4079         symtab_node::equal_address_to.
4081 2016-01-08  Jason Merrill  <jason@redhat.com>
4083         PR c++/68983
4084         PR c++/67557
4085         * function.c (assign_temp): Guard against TREE_ADDRESSABLE types here.
4086         * expr.c (store_field): Not here.
4087         * tree-cfgcleanup.c (fixup_noreturn_call): Don't clear LHS of a
4088         call with TREE_ADDRESSABLE type.
4089         * tree-cfg.c (verify_gimple_call): Adjust.
4091 2016-01-08  Olivier Hainque  <hainque@adacore.com>
4093         * config/vxworks.h (VXWORKS_LIBGCC_SPEC): Don't link shared RTPs with
4094         libc_internal.
4096 2016-01-08  Alan Lawrence  <alan.lawrence@arm.com>
4098         * gcc.target/rs6000/paired.md (reduc_smax_v2sf): Rename to...
4099         (reduc_smax_scal_v2sf): ...here, make result SFmode, extract element.
4100         (reduc_smin_v2sf): Rename to...
4101         (reduc_smin_scal_v2sf): ...here, make result SFmode, extract element.
4102         (reduc_splus_v2sf): Rename to...
4103         (reduc_plus_scal_v2sf): ...here, make result SFmode, extract element.
4105 2016-01-08  Jakub Jelinek  <jakub@redhat.com>
4107         PR tree-optimization/69162
4108         * gimplify.c (gimplify_va_arg_expr): Encode original type of
4109         valist argument in another argument.
4110         (gimplify_modify_expr): Adjust for the above change.  Cleanup.
4111         * tree-stdarg.c (expand_ifn_va_arg_1): Use new 3rd argument
4112         to determine the va_list type, build a MEM_REF instead of
4113         build_fold_indirect_ref.
4115         PR tree-optimization/69172
4116         * gimple-fold.c (gimple_fold_builtin_memory_chk): Pass type to
4117         gimple_build.
4119 2016-01-08  Thomas Preud'homme  <thomas.preudhomme@arm.com>
4121         PR tree-optimization/67781
4122         * tree-ssa-math-opts.c (find_bswap_or_nop): Zero out bytes in cmpxchg
4123         and cmpnop in two steps: first the ones not accessed in original
4124         gimple expression in a endian independent way and then the ones not
4125         accessed in the final result in an endian-specific way.
4127 2016-01-08  Jakub Jelinek  <jakub@redhat.com>
4129         PR tree-optimization/69083
4130         * tree-vect-slp.c (vect_get_constant_vectors): For
4131         VECTOR_BOOLEAN_TYPE_P assert op is fold_convertible_p to vector_type's
4132         element type.  If op is fold_convertible_p to vector_type's element
4133         type, use NOP_EXPR instead of VCE.
4135 2016-01-08  Segher Boessenkool  <segher@kernel.crashing.org>
4137         PR rtl-optimization/67778
4138         PR rtl-optimization/68634
4139         PR rtl-optimization/68909
4140         * shrink-wrap.c (try_shrink_wrapping): Add comment.  Don't pop
4141         block from the stack until done with it.  Remove a superfluous
4142         bitmap set.  Remove a superfluous bitmap test.
4144 2016-01-07  Martin Sebor  <msebor@redhat.com>
4146         PR c/68966
4147         * doc/extend.texi (__atomic Builtins, __sync Builtins): Document
4148         constraint on the type of arguments.
4150 2016-01-07  Andreas Tobler  <andreast@gcc.gnu.org>
4152         * config/arm/freebsd.h: Rename SUBTARGET_OVERRIDE_OPTIONS to
4153         SUBTARGET_OVERRIDE_INTERNAL_OPTIONS. Adjust to check
4154         unaligned_access on the gcc_options set.
4155         * config/arm/arm.c (arm_option_override_internal): Use
4156         SUBTARGET_OVERRIDE_INTERNAL_OPTIONS.
4158 2016-01-07  Uros Bizjak  <ubizjak@gmail.com>
4160         PR target/69140
4161         * config/i386/i386.c (ix86_frame_pointer_required): Enable
4162         frame pointer for TARGET_64BIT_MS_ABI when stack is misaligned.
4164 2016-01-07  Uros Bizjak  <ubizjak@gmail.com>
4166         Revert
4167         2016-01-06  Uros Bizjak  <ubizjak@gmail.com>
4169         PR target/69140
4170         * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
4171         depending on frame_pointer_needed before remaining integer and SSE
4172         registers are saved.
4174 2016-01-07  Sandra Loosemore  <sandra@codesourcery.com>
4176         PR 1078
4177         * doc/extend.texi (Nvidia PDX Function Attributes): New section.
4179 2016-01-07  H.J. Lu  <hongjiu.lu@intel.com>
4181         PR target/69171
4182         * config/i386/sse.md (<sse>_sqrt<mode>2<mask_name><round_name>):
4183         Use the "xBm" constraint.
4184         (float<sseintvecmodelower><mode>2<mask_name><round_name):
4185         Likewise.
4186         (sse_cvtsi2ss<round_name>): Use round_nimm_scalar_predicate.
4187         (sse_cvtsi2ssq<round_name>): Likewise.
4188         (sse_cvtss2si<round_name>): Likewise.
4189         (sse_cvtss2siq<round_name>): Likewise.
4190         (sse2_cvtsi2sdq<round_name>): Likewise.
4191         (sse2_cvtsd2si<round_name>): Likewise.
4192         (sse2_cvtsd2siq<round_name>): Likewise.
4193         * config/i386/subst.md (round_nimm_scalar_predicate): New
4194         predicate.
4196 2015-12-15  Bernd Schmidt  <bschmidt@redhat.com>
4198         PR middle-end/67639
4199         * varasm.c (make_decl_rtl): Mark invalid register vars as
4200         DECL_EXTERNAL.
4202         PR rtl-optimization/66206
4203         * bt-load.c (find_btr_use): Change first arg to be a pointer to an rtx.
4204         All callers changed.
4206 2016-01-07  Jakub Jelinek  <jakub@redhat.com>
4208         PR tree-optimization/69141
4209         * tree-ssa-pre.c: Include langhooks.h.
4210         (eliminate_dom_walker::before_dom_children): Use
4211         lang_hooks.decl_printable_name instead of
4212         cgraph_node::get ()->name ().
4214         PR middle-end/68960
4215         * gimple-expr.c (copy_var_decl): If var has DECL_USER_ALIGN set, copy
4216         it and DECL_ALIGN too.
4218 2016-01-06  Robert Suchanek  <robert.suchanek@imgtec.com>
4220         * config/mips/mips-ftypes.def: Sort to lexicographical order.
4222 2016-01-06  Uros Bizjak  <ubizjak@gmail.com>
4224         PR target/69140
4225         * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
4226         depending on frame_pointer_needed before remaining integer and SSE
4227         registers are saved.
4229 2015-01-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4231         * config/rs6000/vsx.md (*p9_vecload_<mode>): Replace VSX_M
4232         mode iterator with VSX_M2.
4233         (*p9_vecstore_<mode>): Likewise.
4234         (*vsx_le_permute_<mode>): Restrict to !TARGET_P9_VECTOR.
4235         (*vsx_le_perm_load_<mode> for VSX_LE_128): Likewise.
4236         (*vsx_le_perm_store_<mode> for VSX_LE_128): Likewise.
4237         (define_split for VSX_LE128 stores): Likewise.
4238         (define_peephole2 for TImode LE swaps): Likewise.
4239         (define_split for VSX_LE128 post-reload stores): Likewise.
4241 2016-01-06  Marek Polacek  <polacek@redhat.com>
4243         PR sanitizer/69099
4244         * convert.c (convert_to_integer_1): Adjust call to
4245         ubsan_instrument_float_cast.  Use NULL_TREE instead of NULL.
4246         * ubsan.c (ubsan_instrument_float_cast): Drop the ARG parameter.  Use
4247         EXPR instead of ARG.
4248         * ubsan.h (ubsan_instrument_float_cast): Adjust declaration.
4250 2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>
4252         PR 1078
4253         * doc/extend.texi (RL78 Variable Attributes): New section.
4255 2016-01-05  Marek Polacek  <polacek@redhat.com>
4257         PR c/69104
4258         * builtins.c (get_memmodel): Use expansion point location rather than
4259         the input location.  Call warning_at rather than warning.
4260         (expand_builtin_atomic_compare_exchange): Likewise.
4261         (expand_builtin_atomic_load): Likewise.
4262         (expand_builtin_atomic_store): Likewise.
4263         (expand_builtin_atomic_clear): Likewise.
4265 2016-01-05  H.J. Lu  <hongjiu.lu@intel.com>
4267         PR target/68991
4268         * config/i386/i386.c (ix86_expand_vector_logical_operator):
4269         Replace nonimmediate_operand with vector_operand.
4270         * config/i386/predicates.md (vector_operand): New predicate.
4271         (general_vector_operand): Replace nonimmediate_operand with
4272         vector_operand.
4273         * config/i386/sse.md: Replace nonimmediate_operand with
4274         vector_operand and m constraint with Bm constraint on SSE
4275         patterns with 16-byte memory operand.
4276         * config/i386/subst.md (round_nimm_predicate): Replace
4277         nonimmediate_operand with vector_operand.
4278         (round_saeonly_nimm_predicate): Likewise.
4279         (round_saeonly_nimm_scalar_predicate): New.
4281 2016-01-05  H.J. Lu  <hongjiu.lu@intel.com>
4283         PR target/68991
4284         * config/i386/constraints.md (Bm): New constraint.
4285         * config/i386/predicates.md (vector_memory_operand): New
4286         predicate.
4287         * config/i386/sse.md: Replace xm with xBm in plusminus and
4288         any_logic patterns.
4290 2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>
4292         PR 1078
4293         * doc/extend.texi (V850 Function Attributes): New section.
4294         (V850 Variable Attributes): New section.
4296 2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>
4298         PR 1078
4299         * doc/extend.texi (MicroBlaze Function Attributes): Document
4300         interrupt_handler and fast_interrupt attributes.
4302 2016-01-05  Sergei Trofimovich  <siarheit@google.com>
4304         PR other/60465
4305         * config/ia64/ia64.c (ia64_expand_load_address): Use gprel64
4306         for local symbolic operands.
4307         * config/ia64/predicates.md (local_symbolic_operand64): New
4308         predicate.
4310 2016-01-05  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4312         PR rtl-optimization/68651
4313         * combine.c (combine_simplify_rtx): Canonicalize x + x into
4314         x << 1.
4316 2016-01-05  Nathan Sidwell  <nathan@acm.org>
4318         * alias.c (compare_base_decls): Use symtab_node::get.
4320 2016-01-05  Nick Clifton  <nickc@redhat.com>
4322         PR target/68770
4323         * ira-costs.c (copy_cost): Initialise the t_icode field of the
4324         secondary_reload_info structure.
4326         PR target/66655
4327         * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Define to use weak
4328         decls if weak support is available.
4330 2016-01-04  Martin Sebor  <msebor@redhat.com>
4332         * doc/invoke.texi (Warning Options): Document -Winvalid-memory-model.
4334 2016-01-04  Michael Meissner  <meissner@linux.vnet.ibm.com>
4336         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Add
4337         OPTION_MASK_P9_DFORM.
4339         * config/rs6000/constraints.md (wo constraint): New constraint for
4340         ISA 3.0 (power9).
4342         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Add support
4343         for wo constraint.
4344         (rs6000_init_hard_regno_mode_ok): Likewise.
4346         * config/rs6000/rs6000.h (r6000_reg_class_enum): Add support for
4347         wo constraint.
4349         * config/rs6000/altivec.md (altivec_vperm_<mode>): Clean up vperm
4350         expanders not to have constraints.  Add support for ISA 3.0 xxperm
4351         instruction.  Add support for fusing xxlor with xxperm.
4352         (altivec_vperm_<mode>_internal): Likewise.
4353         (altivec_vperm_v8hiv16qi): Likewise.
4354         (altivec_vperm_<mode>v16q): Likewise.
4355         (altivec_vperm_<mode>_uns): Likewise.
4356         (vperm_v8hiv4si): Likewise.
4357         (vperm_v16qiv8hi): Likewise.
4359         * doc/md.texi (RS/6000 constraints): Document wo constraint.
4361 2016-01-04  Jakub Jelinek  <jakub@redhat.com>
4363         Update copyright years.
4365         * gcc.c (process_command): Update copyright notice dates.
4366         * gcov-dump.c (print_version): Ditto.
4367         * gcov.c (print_version): Ditto.
4368         * gcov-tool.c (print_version): Ditto.
4369         * gengtype.c (create_file): Ditto.
4370         * doc/cpp.texi: Bump @copying's copyright year.
4371         * doc/cppinternals.texi: Ditto.
4372         * doc/gcc.texi: Ditto.
4373         * doc/gccint.texi: Ditto.
4374         * doc/gcov.texi: Ditto.
4375         * doc/install.texi: Ditto.
4376         * doc/invoke.texi: Ditto.
4378 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
4380         * config/arm/arm.c (aapcs_vfp_allocate_return_reg): Treat all integer
4381         modes larger than TImode as TImode if NEON is not enabled.
4383 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
4385         PR target/69100
4386         * config/sparc/sparc.h (FUNCTION_ARG_REGNO_P): Return true in 64-bit
4387         mode for %f0-%f31 only if TARGET_FPU.
4389 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
4391         PR target/69072
4392         * config/sparc/sparc.c (scan_record_type): Take into account subfields
4393         to compute the PACKED_P predicate.
4394         (function_arg_record_value): Minor tweaks.
4396 2016-01-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
4398         * doc/install.texi (--with-multilib-list): Describe the meaning of the
4399         option for arm*-*-* targets.
4401 2016-01-03  Sandra Loosemore  <sandra@codesourcery.com>
4403         * doc/extend.texi (Common Function Attributes): Move docs for
4404         MSP430-specific attributes to....
4405         (MSP430 Function Attributes): ...here.  Delete the redundant
4406         entries and copy-edit the remaining text.
4407         (MSP430 Variable Attributes): Use uniform format for index
4408         entries and add a cross-reference to the corresponding function
4409         attribute docs.
4411 2016-01-03  Vladimír Čunát  <vcunat@gmail.com>
4413         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix
4414         -finite-math typo.
4415         (x86 Options): Likewise.
4417 2016-01-01  Sandra Loosemore  <sandra@codesourcery.com>
4419         PR 1078
4421         * extend.texi (Common Function Attributes) <no_stack_limit>: New.
4422         * invoke.texi (Code Gen Options) <-fno-stack-limit>: Add pointer
4423         to corresponding attribute.
4425 2016-01-01  Sandra Loosemore  <sandra@codesourcery.com>
4427         * doc/extend.texi (Common Function Attributes) <noplt>: Move
4428         to correct alphabetization of table.  Copy-edit and correct
4429         markup.
4430         <stack_protect>: Likewise.
4431         <target_clones>: Likewise.
4432         <simd>: Likewise.
4433         * doc/invoke.texi (Optimize Options) <-fstack-protector-explicit>:
4434         Correct punctuation.
4435         (Code Gen Options) <-fno-plt>: Copy-edit.
4437 2016-01-01  Bernd Edlinger  <bernd.edlinger@hotmail.de>
4439         PR target/68917
4440         * config/tilegx/tilegx.md (clzsi2): Don't create DI subregs of
4441         SI values.  Explicitly convert SI to DI and vice-versa.
4443 2016-01-01  Jakub Jelinek  <jakub@redhat.com>
4445         PR tree-optimization/69070
4446         * tree-ssa-math-opts.c (gimple_expand_builtin_pow): Only test
4447         REAL_VALUE_ISSIGNALING_NAN on arg0 if arg0 is a REAL_CST.
4449         PR sanitizer/69055
4450         * ubsan.c (ubsan_instrument_float_cast): Call
4451         initialize_sanitizer_builtins.
4453         PR target/69015
4454         * ifcvt.c (find_cond_trap): Give up if returnjump_p (jump).
4456 Copyright (C) 2016 Free Software Foundation, Inc.
4458 Copying and distribution of this file, with or without modification,
4459 are permitted in any medium without royalty provided the copyright
4460 notice and this notice are preserved.