As part of the final cleanup of aarch64_internal_mov_immediate a return was
[official-gcc.git] / gcc / ChangeLog
blob607b33fa2e42521c2b38ec812d5cf0a504269bee
1 2016-02-17  Wilco Dijkstra  <wdijkstr@arm.com>
3         * config/aarch64/aarch64.c (aarch64_internal_mov_immediate):
4         Add missing return.
6 2016-02-17  Eric Botcazou  <ebotcazou@adacore.com>
8         * config/visium/visium.c (machine_libfunc_index): New enum.
9         (machine_libfuncs): New structure.
10         (visium_libfuncs): New static variable.
11         (TARGET_INIT_LIBFUNCS): Define to...
12         (visium_init_libfuncs): ...this.  New function.
13         (expand_block_move_4): Use the appropriate libfunc.
14         (expand_block_move_2): Likewise.
15         (expand_block_move_1): Likewise.
16         (expand_block_set_4): Likewise.
17         (expand_block_set_2): Likewise.
18         (expand_block_set_1): Likewise.
19         (visium_trampoline_init): Likewise.
21 2016-02-17  Nick Clifton  <nickc@redhat.com>
23         * config/msp430/msp430.c (msp430_mcu_data): Sync with data from
24         TI's devices.csv file as of March 2016.
26 2016-02-16  Kelvin Nilsen  <kelvin@gcc.gnu.org>
28         PR Target/48344
29         * opts-global.c (handle_common_deferred_options): Introduce and
30         initialize two global variables to remember command-line options
31         specifying a stack-limiting register.
32         * opts.h: Add extern declarations of the two new global variables.
33         * emit-rtl.c (init_emit_once): Initialize the stack_limit_rtx
34         variable based on the values of the two new global variables.
36 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
38         PR c/69835
39         * common.opt (Wnonnull-compare): New warning.
40         * doc/invoke.texi (-Wnonnull): Remove text about comparison
41         of arguments against NULL.
42         (-Wnonnull-compare): Document.
43         * Makefile.in (OBJS): Add gimple-ssa-nonnull-compare.o.
44         * tree-pass.h (make_pass_warn_nonnull_compare): Declare.
45         * passes.def (pass_warn_nonnull_compare): Add.
46         * gimple-ssa-nonnull-compare.c: New file.
48 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
50         * config/aarch64/aarch64.c (cortexa57_tunings): Remove
51         AARCH64_EXTRA_TUNE_RECIP_SQRT.
53 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
55         * config/aarch64/aarch64.c (use_rsqrt_p): Always use software
56         reciprocal sqrt for -mlow-precision-recip-sqrt.
58 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
59             Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
61         * config/aarch64/aarch64.c (aarch64_expand_vector_init): Refactor,
62         always use lane loads to construct non-constant vectors.
64 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
66         * config/aarch64/aarch64.md
67         (arch64_sqrdml<SQRDMLH_AS:rdma_as>h_lane<mode>): Fix register
68         constraints for operand 3.
69         (aarch64_sqrdml<SQRDMLH_AS:rdma_as>h_laneq<mode>): Likewise.
71 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
72             Richard Biener  <rguenther@suse.de>
74         PR tree-optimization/69820
75         * tree-vect-patterns.c (type_conversion_p): Return false if
76         *orig_type is unsigned single precision or boolean.
77         (vect_recog_dot_prod_pattern, vect_recog_widen_mult_pattern):
78         Formatting fix.
80 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
82         PR rtl-optimization/69764
83         PR rtl-optimization/69771
84         * optabs.c (expand_binop): Ensure for shift optabs invalid CONST_INT
85         op1 is valid for GET_MODE_INNER (mode) and force it into a reg.
87 2016-02-16  Richard Biener  <rguenther@suse.de>
89         PR tree-optimization/69776
90         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Get alias
91         sets from caller.
92         (indirect_refs_may_alias_p): Likewise.
93         (refs_may_alias_p_1): Pass alias sets as from ao_ref.
94         * tree-ssa-sccvn.c (vn_reference_lookup): Also adjust vr alias-set
95         according to tbaa_p.
96         * tree-ssa-dom.c (lookup_avail_expr): Add tbaa_p flag.
97         (optimize_stmt): For redundant store discovery do not allow tbaa.
99 2016-02-16  Bernd Schmidt  <bschmidt@redhat.com>
101         PR tree-optimization/69714
102         * tree-ssa-math-opts.c (find_bswap_or_nop): Revert previous change.
103         Return NULL if we have irrelevant high bytes on BIG_ENDIAN.
105 2016-02-16  Claudiu Zissulescu  <claziss@synopsys.com>
107         * config/arc/arc-modes.def (CC_FPU, CC_FPU_UNEQ): New modes.
108         * config/arc/arc-opts.h (FPU_SP, FPU_SF, FPU_SC, FPU_SD, FPU_DP)
109         (FPU_DF, FPU_DC, FPU_DD, FXP_DP): Define.
110         * config/arc/arc.c (arc_init): Check FPU options.
111         (get_arc_condition_code): Handle new CC_FPU* modes.
112         (arc_select_cc_mode): Likewise.
113         (arc_conditional_register_usage): Allow 64 bit datum into even-odd
114         register pair only. Allow access for ARCv2 accumulator.
115         (gen_compare_reg): Whenever we have FPU support use FPU compare
116         instructions.
117         (arc_reorg): Don't generate brcc insns when FPU compare
118         instructions are involved.
119         * config/arc/arc.h (TARGET_DPFP): Add TARGET_FP_DPAX condition.
120         (TARGET_OPTFPE): Add condition when ARC EM can use optimized
121         floating point emulation.
122         (ACC_REG_FIRST, ACC_REG_LAST, ACCL_REGNO, ACCH_REGNO): Define.
123         (REVERSE_CONDITION): Add new CC_FPU* modes.
124         (TARGET_FP_SP_BASE): Define.
125         (TARGET_FP_DP_BASE): Likewise.
126         (TARGET_FP_SP_FUSED): Likewise.
127         (TARGET_FP_DP_FUSED): Likewise.
128         (TARGET_FP_SP_CONV): Likewise.
129         (TARGET_FP_DP_CONV): Likewise.
130         (TARGET_FP_SP_SQRT): Likewise.
131         (TARGET_FP_DP_SQRT): Likewise.
132         (TARGET_FP_DP_AX): Likewise.
133         * config/arc/arc.md (ARCV2_ACC): New constant.
134         (type): New fpu type attribute.
135         (SDF): Conditional iterator.
136         (cstore<mode>, cbranch<mode>): Change expand condition.
137         (addsf3, subsf3, mulsf3, adddf3, subdf3, muldf3): New expands,
138         handles FPU/FPX cases as well.
139         * config/arc/arc.opt (mfpu): New option.
140         * config/arc/fpx.md (addsf3_fpx, subsf3_fpx, mulsf3_fpx):
141         Renamed.
142         (adddf3, muldf3, subdf3): Removed.
143         * config/arc/predicates.md (proper_comparison_operator): Recognize
144         CC_FPU* modes.
145         * config/arc/fpu.md: New file.
146         * doc/invoke.texi (ARC Options): Document mfpu option.
148 2016-02-16  Richard Biener  <rguenther@suse.de>
150         PR rtl-optimization/69291
151         * ifcvt.c (noce_try_store_flag_constants): Re-instantiate
152         noce_operand_ok check.
154 2016-02-16  Tom de Vries  <tom@codesourcery.com>
156         PR lto/67709
157         * omp-low.c (simd_clone_create): Remove call to
158         symtab->call_cgraph_insertion_hooks.
160 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
162         PR tree-optimization/69802
163         * tree-ssa-reassoc.c (update_range_test): If op is
164         SSA_NAME_IS_DEFAULT_DEF, give up unless tem is a positive
165         op == 1 test of precision 1 integral op, otherwise handle
166         that case as op itself.  Fix up formatting.
167         (optimize_range_tests_to_bit_test, optimize_range_tests): Fix
168         up formatting.
170 2016-02-16  Richard Biener  <rguenther@suse.de>
172         PR tree-optimization/69586
173         * tree-vrp.c (register_edge_assert_for_2): Handle all integral
174         types for conversion sources.
176 2016-02-16  Richard Biener  <rguenther@suse.de>
178         PR middle-end/69801
179         * fold-const.c (operand_equal_p): For COND_EXPR zero operand
180         mask OEP_ADDRESS_OF.
182 2016-02-16  Alan Modra  <amodra@gmail.com>
184         PR target/68973
185         * config/rs6000/rs6000.md (reload_vsx_from_gprsf): Rewrite splitter.
186         (p8_mtvsrd_df, p8_mtvsrd_sf): New.
187         (p8_mtvsrd_1, p8_mtvsrd_2): Delete.
188         (p8_mtvsrwz): New.
189         (p8_mtvsrwz_1, p8_mtvsrwz_2): Delete.
190         (p8_xxpermdi_<mode>): Take two DF inputs rather than one TF.
191         (p8_fmrgow_<mode>): Likewise.
192         (reload_vsx_from_gpr<mode>): Make clobber IF.  Adjust for above
193         changes.
194         (reload_fpr_from_gpr<mode>): Similarly. Use "d" for op0 constraint.
195         (reload_vsx_from_gprsf): Use p8_mtvsrd_sf rather than attempting
196         to use movdi_internal64.  Remove op0_di.
197         * config/rs6000/vsx.md (vsx_xscvspdpn_directmove): Make op1 SFmode.
199 2016-02-15  Evandro Menezes  <e.menezes@samsung.com>
201         Add support for the FCCMP insn types
203         * config/aarch64/aarch64.md (fccmp): Change insn type.
204         (fccmpe): Likewise.
205         * config/aarch64/thunderx.md (thunderx_fcmp): Add "fccmp{s,d}" types.
206         * config/arm/cortex-a53.md (cortex_a53_fpalu): Likewise.
207         * config/arm/cortex-a57.md (cortex_a57_fp_cmp): Likewise.
208         * config/arm/xgene1.md (xgene1_fcmp): Likewise.
209         * config/arm/exynos-m1.md (exynos_m1_fp_ccmp): New insn reservation.
210         * config/arm/types.md (fccmps): Add new insn type.
211         (fccmpd): Likewise.
213 2016-02-15  Bernd Edlinger  <bernd.edlinger@hotmail.de>
215         * alias.c (get_alias_set): Fix a typo in comment.
217 2016-02-15  Richard Biener  <rguenther@suse.de>
219         PR tree-optimization/69595
220         * match.pd: Complete range test simplification to true.
222 2016-02-15  Bernd Schmidt  <bschmidt@redhat.com>
224         PR rtl-optimization/69648
225         * lra-constraints.c (update_ebb_live_info): Don't remove sets of
226         pic_offset_table_rtx.
228         PR rtl-optimization/69752
229         * ira.c (update_equiv_regs): When looking for more than a single SET,
230         also take other side effects into account.
232 2016-02-15  Marcin Kościelnicki  <koriakin@0x04.net>
234         * config/s390/s390.c (s390_function_profiler): Add a new sequence
235         for z900+ CPUs in 31-bit mode.
237 2016-02-15  Marcin Kościelnicki  <koriakin@0x04.net>
239         * common/config/s390/s390-common.c (s390_supports_split_stack):
240         New function.
241         (TARGET_SUPPORTS_SPLIT_STACK): New macro.
242         * config/s390/s390-protos.h: Add s390_expand_split_stack_prologue.
243         * config/s390/s390.c (struct machine_function): New field
244         split_stack_varargs_pointer.
245         (s390_register_info): Mark r12 as clobbered if it'll be used as temp
246         in s390_emit_prologue.
247         (s390_emit_prologue): Use r12 as temp if r1 is taken by split-stack
248         vararg pointer.
249         (morestack_ref): New global.
250         (SPLIT_STACK_AVAILABLE): New macro.
251         (s390_expand_split_stack_prologue): New function.
252         (s390_live_on_entry): New function.
253         (s390_va_start): Use split-stack vararg pointer if appropriate.
254         (s390_asm_file_end): Emit the split-stack note sections.
255         (TARGET_EXTRA_LIVE_ON_ENTRY): New macro.
256         * config/s390/s390.md (UNSPEC_STACK_CHECK): New unspec.
257         (UNSPECV_SPLIT_STACK_CALL): New unspec.
258         (UNSPECV_SPLIT_STACK_DATA): New unspec.
259         (split_stack_prologue): New expand.
260         (split_stack_space_check): New expand.
261         (split_stack_data): New insn.
262         (split_stack_call): New expand.
263         (split_stack_call_*): New insn.
264         (split_stack_cond_call): New expand.
265         (split_stack_cond_call_*): New insn.
267 2016-02-15  Richard Biener  <rguenther@suse.de>
269         PR tree-optimization/69783
270         * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
271         Add trivially correct cases.
273 2016-02-15  Tom de Vries  <tom@codesourcery.com>
275         PR lto/69655
276         * lto-cgraph.c (input_offload_tables): Add and handle bool parameter
277         do_force_output.
278         * lto-streamer.h (input_offload_tables): Add and handle bool parameter.
280 2016-02-15  Richard Biener  <rguenther@suse.de>
282         PR tree-optimization/69776
283         * tree-ssa-sccvn.h (vn_reference_lookup): Adjust prototype.
284         * tree-ssa-sccvn.c (vn_reference_lookup): Add parameter to
285         indicate whether we can use TBAA to disambiguate against stores.
286         Use alias-set zero if not.
287         (visit_reference_op_store): Do not use TBAA when looking up
288         redundant stores.
289         * tree-ssa-pre.c (compute_avail): Use TBAA here.
290         (eliminate_dom_walker::before_dom_children): But not when looking
291         up redundant stores.
293 2016-02-14  John David Anglin  <danglin@gcc.gnu.org>
295         * config/pa/pa.md (absqi2, absghi2, bswaphi2, bswapsi2, bswapdi2): New.
297 2016-02-14  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
299         *  config/i386/znver1.md
300         (znver1_pop, znver1_pop_mem,
301         znver1_load_imov_double_store,
302         znver1_load_imov_direct_store,
303         znver1_load_imov_direct_load,
304         znver1_load_imov_double_load): Add new.
305         (znver1_insn, znver1_insn_load): Add icmov type.
306         (znver1_sseavx_fma,
307         znver1_sseavx_fma_load,
308         znver1_avx256_fma,
309         znver1_avx256_fma_load): Fix pipe usage.
311 2016-02-14  Alan Modra  <amodra@gmail.com>
313         PR target/68973
314         * reloads.c (find_reloads_address_1): For pre/post-inc/dec
315         with an invalid hard reg, reload just the reg not the entire
316         pre/post-inc/dec address expression.
318 2016-02-13  Oleg Endo  <olegendo@gcc.gnu.org>
320         PR target/67260
321         * config/sh/sh.md (sibcall_value_pcrel): Replace =&k scratch reg with
322         fixed R1_REG scratch reg.
323         (sibcall_value_pcrel_fdpic): Likewise.
325 2016-02-13  Oleg Endo  <olegendo@gcc.gnu.org>
327         PR target/67636
328         PR target/64345
329         * config/sh/sh.md (*zero_extract_3): New insn_and_split pattern.
331 2016-02-12  Walter Lee  <walt@tilera.com>
333         * config/tilepro/t-tilepro: Replace CC_FOR_BUILD with CXX_FOR_BUILD.
334         * config/tilegx/t-tilegx: Likewise.
336 2016-02-12  David Malcolm  <dmalcolm@redhat.com>
338         PR other/69554
339         * diagnostic-show-locus.c (struct line_span): New struct.
340         (layout::get_first_line): Delete.
341         (layout::get_last_line): Delete.
342         (layout::get_num_line_spans): New member function.
343         (layout::get_line_span): Likewise.
344         (layout::print_heading_for_line_span_index_p): Likewise.
345         (layout::get_expanded_location): Likewise.
346         (layout::calculate_line_spans): Likewise.
347         (layout::m_first_line): Delete.
348         (layout::m_last_line): Delete.
349         (layout::m_line_spans): New field.
350         (layout::layout): Update comment.  Replace m_first_line and
351         m_last_line with m_line_spans, replacing their initialization
352         with a call to calculate_line_spans.
353         (diagnostic_show_locus): When printing source lines and
354         annotations, rather than looping over a single span
355         of lines, instead loop over each line_span within
356         the layout, with an inner loop over the lines within them.
357         Call the context's start_span callback when changing line spans.
358         * diagnostic.c (diagnostic_initialize): Initialize start_span.
359         (diagnostic_build_prefix): Break out the building of the location
360         part of the string into...
361         (diagnostic_get_location_text): ...this new function, rewriting
362         it from nested ternary expressions to a sequence of "if"
363         statements.
364         (default_diagnostic_start_span_fn): New function.
365         * diagnostic.h (diagnostic_start_span_fn): New typedef.
366         (diagnostic_context::start_span): New field.
367         (default_diagnostic_start_span_fn): New prototype.
369 2016-02-12  David Malcolm  <dmalcolm@redhat.com>
371         PR driver/69779
372         * gcc.c (driver::finalize): Fix cleanup of "specs".
374 2016-02-12  David Malcolm  <dmalcolm@redhat.com>
376         PR driver/69265
377         PR driver/69453
378         * gcc.c (driver::driver): Initialize m_option_suggestions.
379         (driver::~driver): Clean up m_option_suggestions.
380         (suggest_option): Convert to...
381         (driver::suggest_option): ...this, and split out into
382         driver::build_option_suggestions and find_closest_string.
383         (driver::build_option_suggestions): New function, from
384         first half of suggest_option.  Special-case
385         OPT_fsanitize_ and OPT_fsanitize_recover_, making use of
386         the sanitizer_opts array.  For options of enum types, add the
387         various enum values to the candidate strings.
388         (driver::handle_unrecognized_options): Remove "const".
389         * gcc.h (driver::handle_unrecognized_options): Likewise.
390         (driver::build_option_suggestions): New decl.
391         (driver::suggest_option): New decl.
392         (driver::m_option_suggestions): New field.
393         * opts-common.c (add_misspelling_candidates): New function.
394         * opts.c (sanitizer_opts): Remove decl of struct sanitizer_opts_s
395         and make non-static.
396         * opts.h (sanitizer_opts): New array decl.
397         (add_misspelling_candidates): New function decl.
398         * spellcheck.c (find_closest_string): New function.
399         * spellcheck.h (find_closest_string): New function decl.
401 2016-02-12  Jakub Jelinek  <jakub@redhat.com>
403         PR rtl-optimization/69764
404         PR rtl-optimization/69771
405         * optabs.c (expand_binop_directly): For shift_optab_p, force
406         convert_modes with VOIDmode if xop1 has VOIDmode.
408 2016-02-12  Ilya Enkovich  <enkovich.gnu@gmail.com>
410         PR target/69729
411         * lto-streamer-out.c (lto_output): Use thunk.add_pointer_bounds_args
412         to correctly determine instrumentation thunks.
414 2016-02-12  Jakub Jelinek  <jakub@redhat.com>
416         PR ipa/69241
417         * ipa-split.c (split_function): If split part returns TREE_ADDRESSABLE
418         type by reference, force lhs on the call.
420         PR ipa/68672
421         * ipa-split.c (split_function): Don't compute/use main_part_return_p.
422         Compute retval and retbnd early in all cases if split_part_return_p
423         and return_bb is not EXIT.  Remove all clobber stmts and reset
424         all debug stmts that refer to SSA_NAMEs defined in split part,
425         except if it is retval, in that case replace the old retval with the
426         lhs of the call to the split part.
428 2016-02-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
430         revert:
431         2016-02-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
433         PR middle-end/66726
434         * tree-ssa-reassoc.c (optimize_range_tests): Handle tcc_compare stmt
435         whose result is used in PHI.
436         (maybe_optimize_range_tests): Likewise.
437         (final_range_test_p): Likweise.
439 2016-02-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
441         PR middle-end/66726
442         * tree-ssa-reassoc.c (optimize_range_tests): Handle tcc_compare stmt
443         whose result is used in PHI.
444         (maybe_optimize_range_tests): Likewise.
445         (final_range_test_p): Likweise.
447 2016-02-12  Jakub Jelinek  <jakub@redhat.com>
449         * cgraph.c: Spelling fixes - behaviour -> behavior and
450         neighbour -> neighbor.
451         * target.def: Likewise.
452         * sel-sched.c: Likewise.
453         * config/mips/mips.c: Likewise.
454         * config/arc/arc.md: Likewise.
455         * config/arm/cortex-a57.md: Likewise.
456         * config/arm/arm.c: Likewise.
457         * config/arm/neon.md: Likewise.
458         * config/arm/arm-c.c: Likewise.
459         * config/vms/vms-c.c: Likewise.
460         * config/s390/s390.c: Likewise.
461         * config/i386/znver1.md: Likewise.
462         * config/i386/i386.c: Likewise.
463         * config/ia64/hpux-unix2003.h: Likewise.
464         * config/msp430/msp430.md: Likewise.
465         * config/rx/rx.c: Likewise.
466         * config/rx/rx.md: Likewise.
467         * config/aarch64/aarch64-simd.md: Likewise.
468         * config/aarch64/aarch64.c: Likewise.
469         * config/nvptx/nvptx.c: Likewise.
470         * config/bfin/bfin.c: Likewise.
471         * config/cris/cris.opt: Likewise.
472         * config/rs6000/rs6000.c: Likewise.
473         * target.h: Likewise.
474         * spellcheck.c: Likewise.
475         * ira-build.c: Likewise.
476         * tree-inline.c: Likewise.
477         * builtins.c: Likewise.
478         * lra-constraints.c: Likewise.
479         * explow.c: Likewise.
480         * hwint.h: Likewise.
481         * targhooks.c: Likewise.
482         * tree-vect-data-refs.c: Likewise.
483         * expr.c: Likewise.
484         * doc/tm.texi: Likewise.
485         * doc/extend.texi: Likewise.
486         * doc/install.texi: Likewise.
487         * doc/md.texi: Likewise.
488         * tree-ssa-tail-merge.c: Likewise.
489         * sched-int.h: Likewise.
490         * match.pd: Likewise.
491         * sched-ebb.c: Likewise.
492         * target.def (omit_struct_return_reg): Likewise.
493         * gimple-ssa-isolate-paths.c: Likewise.
494         (find_implicit_erroneous_behaviour): Renamed to...
495         (find_implicit_erroneous_behavior): ... this.
496         (find_explicit_erroneous_behaviour): Renamed to...
497         (find_explicit_erroneous_behavior): ... this.
498         (gimple_ssa_isolate_erroneous_paths): Adjust caller.
500 2016-02-11  Segher Boessenkool  <segher@kernel.crashing.org>
502         PR rtl-optimization/64682
503         PR rtl-optimization/69567
504         PR rtl-optimization/69737
505         * combine.c (distribute_notes) <REG_DEAD>: If the register is set
506         in I2 as well, just lose it.
508 2016-02-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
510         * config/aarch64/aarch64.c (aarch64_last_printed_arch_string):
511         New variable.
512         (aarch64_last_printed_tune_string): Likewise.
513         (aarch64_declare_function_name): Only output .arch assembler
514         directive if it will be different from the previously output
515         directive.  Same for .tune comment but only if -dA is set.
516         (aarch64_start_file): New function.
517         (TARGET_ASM_FILE_START): Define.
519 2016-02-11  David Malcolm  <dmalcolm@redhat.com>
521         PR plugins/69758
522         * Makefile.in (PLUGIN_HEADERS): Add params.list.
524 2016-02-11  Jakub Jelinek  <jakub@redhat.com>
526         PR target/65313
527         * tree-vect-slp.c (vect_schedule_slp_instance): Avoid
528         -Wmaybe-uninitialized warning.
530 2016-02-11  Oleg Endo  <olegendo@gcc.gnu.org>
532         PR target/69713
533         * config/sh/sh.md (casesi_worker_0): Add T_REG use.
535 2016-02-11  Richard Biener  <rguenther@suse.de>
537         PR rtl-optimization/69291
538         * ifcvt.c (noce_try_store_flag_constants): Do not allow
539         subexpressions affected by changing the result.
541 2016-02-10  Vladimir Makarov  <vmakarov@redhat.com>
543         PR target/69148
544         * lra-constraints.c (curr_insn_transform): Find in/out operands
545         for secondary memory moves.  Update dups.
547 2016-02-10  Yuri Rumyantsev  <ysrumyan@gmail.com>
549         PR tree-optimization/69652
550         * tree-vect-loop.c (optimize_mask_stores): Move declaration of STMT1
551         to nested loop, did source re-formatting, skip debug statements,
552         add check on statement with volatile operand, remove dead scalar
553         statements.
555 2016-02-10  Jakub Jelinek  <jakub@redhat.com>
556             Patrick Palka  <ppalka@gcc.gnu.org>
558         PR ipa/69241
559         PR c++/69649
560         * gimplify.c (gimplify_modify_expr): Set lhs even for noreturn
561         calls if the return type is TREE_ADDRESSABLE.
562         * cgraphunit.c (cgraph_node::expand_thunk): Likewise.
563         * ipa-split.c (split_function): Fix doubled "we" in comment.
564         Use void return type for the split part even if
565         !split_point->split_part_set_retval.
567 2016-02-10  Bin Cheng  <bin.cheng@arm.com>
569         PR tree-optimization/68021
570         * tree-ssa-loop-ivopts.c (get_computation_aff): Set ratio to 1 if
571         when computing the value of biv cand by itself.
573 2016-02-10  Wilco Dijkstra  <wdijkstr@arm.com>
575         * config/aarch64/aarch64.c (cortexa53_tunings): Enable AES fusion.
576         (cortexa57_tunings): Likewise.
577         (cortexa72_tunings): Likewise.
578         (arch_macro_fusion_pair_p): Add support for AES fusion.
579         * config/aarch64/aarch64-fusion-pairs.def: Add AES_AESMC entry.
580         * config/arm/aarch-common.c (aarch_crypto_can_dual_issue):
581         Allow virtual registers before reload so early scheduling works.
582         * config/arm/cortex-a57.md (cortex_a57_crypto_simple): Use
583         correct latency and pipeline.
584         (cortex_a57_crypto_complex): Likewise.
585         (cortex_a57_crypto_xor): Likewise.
586         (define_bypass): Add AES bypass.
588 2016-02-10  Richard Biener  <rguenther@suse.de>
590         PR tree-optimization/69726
591         * passes.def: Add DCE pass before late uninit.
592         * match.pd: Add A ? B : (!A ? C : X) -> A ? B : C patterns to
593         really fixup if-conversions job.
595 2016-02-10  Wilco Dijkstra  <wdijkstr@arm.com>
597         * config/arm/arm.c (arm_cortex_a53_tune): Enable AES fusion.
598         (arm_cortex_a57_tune): Likewise.
599         (aarch_macro_fusion_pair_p): Add support for AES fusion.
600         * config/arm/arm-protos.h (fuse_ops): Add FUSE_AES_AESMC.
602 2016-02-10  Eric Botcazou  <ebotcazou@adacore.com>
604         * timevar.def (TV_PHASE_DBGINFO): Delete.
605         (TV_PHASE_CHECK_DBGINFO): Likewise.
606         * varpool.c (varpool_node::assemble_decl): Do not change timevar.
608 2016-02-10  Richard Biener  <rguenther@suse.de>
610         PR tree-optimization/69719
611         * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
612         Adjust previous fix by ensuring that dr_a1 is left of dr_a2.
614 2016-02-09  Andrew Pinski  <apinski@cavium.com>
616         PR tree-opt/69282
617         * optabs-tree.c (expand_vec_cond_expr_p): Don't early return if
618         get_vcond_mask_icode returns false.
620 2016-02-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
622         PR target/68404
623         * config/rs6000/predicates.md (fusion_gpr_addis): Prevent fusing
624         an ADDIS that adds a pointer to a large constant that sets the
625         upper16 bits with a load operation.
627 2016-02-09  Charles Baylis  <charles.baylis@linaro.org>
629         PR target/68532
630         * config/arm/arm.c (arm_evpc_neon_vzip): Allow for big endian lane
631         order.
632         * config/arm/arm_neon.h (vzipq_s8): Adjust shuffle patterns for big
633         endian.
634         (vzipq_s16): Likewise.
635         (vzipq_s32): Likewise.
636         (vzipq_f32): Likewise.
637         (vzipq_u8): Likewise.
638         (vzipq_u16): Likewise.
639         (vzipq_u32): Likewise.
640         (vzipq_p8): Likewise.
641         (vzipq_p16): Likewise.
643 2016-02-09  Charles Baylis  <charles.baylis@linaro.org>
645         PR target/68532
646         * config/arm/arm.c (neon_endian_lane_map): New function.
647         (neon_vector_pair_endian_lane_map): New function.
648         (arm_evpc_neon_vuzp): Allow for big endian lane order.
649         * config/arm/arm_neon.h (vuzpq_s8): Adjust shuffle patterns for big
650         endian.
651         (vuzpq_s16): Likewise.
652         (vuzpq_s32): Likewise.
653         (vuzpq_f32): Likewise.
654         (vuzpq_u8): Likewise.
655         (vuzpq_u16): Likewise.
656         (vuzpq_u32): Likewise.
657         (vuzpq_p8): Likewise.
658         (vuzpq_p16): Likewise.
660 2016-02-11  Alexandre Oliva  <aoliva@redhat.com>
662         PR target/69634
663         * regstat.c (regstat_bb_compute_calls_crossed): Disregard
664         debug insns.
666 2016-02-09  Uros Bizjak  <ubizjak@gmail.com>
668         * config/i386/i386.md (insv<mode>_1): Use gen_int_mode to
669         truncate const_int operand 1 to QImode.
671 2016-02-09  Eric Botcazou  <ebotcazou@adacore.com>
673         * gimple-ssa-backprop.c (optimize_phi): Do not replace an argument
674         corresponding to an abnormal edge.
676 2016-02-09  Tom de Vries  <tom@codesourcery.com>
678         PR tree-optimization/69599
679         * tree-ssa-structalias.c (fndecl_maybe_in_other_partition): New
680         function.
681         (find_func_aliases_for_builtin_call, find_func_clobbers)
682         (ipa_pta_execute):  Handle case that foo and foo._0 are not in same lto
683         partition.
685 2016-02-09  Richard Biener  <rguenther@suse.de>
687         PR tree-optimization/69715
688         * tree-ssa.c (execute_update_addresses_taken): Mark non-decl
689         LHS on calls as non-rewritable.
691 2016-02-09  Tom de Vries  <tom@codesourcery.com>
693         PR lto/69707
694         * lto-wrapper.c (append_diag_options): New function.
695         (compile_offload_image): Call append_diag_options.
697 2016-02-08  Sandra Loosemore <sandra@codesourcery.com>
699         PR other/69722
700         * doc/extend.texi (Flag Output Operands): Correct sectioning.
701         Minor copy-edit to fix verb tenses.
703 2016-02-08  Jakub Jelinek  <jakub@redhat.com>
705         PR tree-optimization/69209
706         * ipa-split.c (split_function): If split part is not
707         returning retval, retval has gimple type but is not
708         gimple value, force it into a SSA_NAME first.
710 2016-02-08  Nicklas Bo Jensen  <nbjensen@gmail.com>
712         * doc/tree-ssa.texi (Preserving the virtual SSA form): Remove
713         outdated section.
715 2016-02-08  Jason Merrill  <jason@redhat.com>
717         PR c++/69631
718         * convert.c (convert_to_integer_1): Check dofold on truncation
719         distribution.
720         (convert_to_pointer_maybe_fold, convert_to_real_maybe_fold)
721         (convert_to_integer_maybe_fold, convert_to_complex_maybe_fold):
722         Rename from *_nofold.
723         * convert.h (convert_to_pointer_nofold, convert_to_integer_nofold)
724         (convert_to_real_nofold, convert_to_complex_nofold): New inlines.
726 2016-02-08  Bernd Schmidt  <bschmidt@redhat.com>
728         PR target/60410
729         * tree.c (build_common_tree_nodes): Remove short_double argument.
730         All callers changed.
731         * tree.h (build_common_tree_nodes): Adjust declaration.
732         * doc/invoke.texi (-fshort-double): Remove documentation.
733         * config/mips/t-img-elf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
734         MULTILIB_EXCEPTIONS): Remove -fshort-double variant.
735         * lto-wrapper.c (merge_and_complain, append_compiler_options)
736         (append_linker_options): Don't handle OPT_fshort_double.
738         PR rtl-optimization/68730
739         * lra-remat.c (insn_to_cand_activation): New static variable.
740         (lra_remat): Allocate and free it.
741         (create_cand): New arg activation. Initialize a field in
742         insn_to_cand_activation if it is nonnull.
743         (create_cands): Pass the activation insn to create_cand when making
744         a candidate involving an output reload.  Reorganize code a little.
745         (do_remat): Keep track of active status of candidates in a separate
746         bitmap.
748 2016-02-08  Richard Biener  <rguenther@suse.de>
750         PR tree-optimization/69719
751         * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
752         Properly use absolute of the difference of the two offsets to
753         compare or adjust the segment length.
755 2016-02-08  Richard Biener  <rguenther@suse.de>
756             Jeff Law  <law@redhat.com>
758         PR target/68273
759         * tree-ssanames.c (make_ssa_name_fn): Always use unqualified
760         types for anonymous SSA names.
762 2016-02-08   Richard Biener  <rguenther@suse.de>
764         PR rtl-optimization/69274
765         * ira.c (ira_setup_alts): Do not change recog_data.operand order.
767 2016-02-08  Jeff Law  <law@redhat.com>
769         PR tree-optimization/65917
770         * tree-ssa-dom.c (record_temporary_equivalences): Record both
771         equivalences from if (x == y) style conditionals.
772         (loop_depth_of_name): Remove.
773         (record_equality): Remove loop depth check.
774         * tree-ssa-scopedtables.h (const_and_copies): Refine comments.
775         (const_and_copies::record_const_or_copy_raw): New member function.
776         * tree-ssa-scopedtables.c
777         (const_and_copies::record_const_or_copy_raw): New, factored out of
778         (const_and_copies::record_const_or_copy): Call new member function.
780 2016-02-05  Jeff Law  <law@redhat.com>
782         PR tree-optimization/68541
783         * gimple-ssa-split-paths.c: Include tree-cfg.h and params.h.
784         (count_stmts_in_block): New function.
785         (poor_ifcvt_candidate_code): Likewise.
786         (is_feasible_trace): Add some heuristics to determine when path
787         splitting is profitable.
788         (find_block_to_duplicate_for_splitting_paths): Make sure the graph
789         is a diamond with a single exit.
791 2016-02-05  Martin Sebor  <msebor@redhat.com>
793         PR c++/69662
794         * doc/invoke.texi: Update -Wplacement-new to take an optional
795         argument.
797 2016-02-06  Richard Henderson  <rth@redhat.com>
799         PR c/69643
800         * tree.c (tree_nop_conversion_p): Do not strip casts into or
801         out of non-standard address spaces.
803 2016-02-05  Jakub Jelinek  <jakub@redhat.com>
805         PR rtl-optimization/69691
806         * lra-eliminations.c (move_plus_up): Don't add the addend twice.
808 2016-02-05  Pat Haugen  <pthaugen@us.ibm.com>
810         * config/rs6000/crypto.md (crypto_vpermxor_<mode>): Correct insn type.
811         * config/rs6000/rs6000.md (mov<mode>_hardfloat): Likewise.
812         (*ieee128_mfvsrd_64bit): Likewise.
813         (*ieee128_mfvsrd_32bit): Likewise.
815 2016-02-05  Ilya Enkovich  <enkovich.gnu@gmail.com>
817         PR target/69369
818         Revert r232560:
819         2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
821         * cgraphunit.c (cgraph_node::reset): Clear thunk info and
822         instrumented_version.
824 2016-01-05  Jeremy Bennett  <jeremy.bennett@embecosm.com>
826         * doc/invoke.texi (Optimize Options): In table of --param options
827         rename second occurrence of tracer-min-branch-ratio to
828         tracer-min-branch-probability, rename
829         tracer-min-branch-ratio-feedback to
830         tracer-min-branch-probability-feedback and clarify description,
831         rename sched-spec-state-edge-prob-cutoff to
832         sched-state-edge-prob-cutoff, rename selsched-max-insns-to-rename
833         to selsched-insns-to-rename, rename lto-minpartition to
834         lto-min-partition, delete reorder-blocks-duplicate and
835         reorder-blocks-duplicate-feedback.
837 2016-02-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
839         * config/s390/s390.c (s390_register_info_set_ranges): Remove
840         superfluous loops.
842 2016-02-05  Dominik Vogt  <vogt@linux.vnet.ibm.com>
844         * doc/extend.texi: S/390: Correct some typos.
846 2016-02-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
848         * config/s390/s390.c (s390_emit_call): Add missing 64 bit check.
850 2016-02-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
852         PR target/69625
853         * config/s390/s390.c (SAVE_SLOT_NONE, SAVE_SLOT_STACK): New defines.
854         (s390_register_info_gprtofpr): Use new macros above.
855         (s390_register_info_stdarg_fpr): Adjust max_fpr to better match
856         its name.
857         (s390_register_info_stdarg_gpr): Adjust max_gpr to better match
858         its name.  Adjust restore and save gpr ranges.
859         (s390_register_info_set_ranges): New function.
860         (s390_register_info): Use new macros above.  Call
861         s390_register_info_set_ranges.
862         (s390_optimize_register_info): Likewise.
863         (s390_hard_regno_rename_ok): Use new macros.
864         (s390_hard_regno_scratch_ok): Likewise.
865         (s390_emit_epilogue): Likewise.
866         (s390_can_use_return_insn): Likewise.
867         (s390_optimize_prologue): Likewise.
868         * config/s390/s390.md (GPR2_REGNUM, GPR6_REGNUM): New constants.
870 2016-02-05  Jakub Jelinek  <jakub@redhat.com>
872         PR bootstrap/69677
873         * config/i386/i386.c (convert_scalars_to_vector): Readd stack
874         alignment fixes.
875         (ix86_option_override_internal): Disable TARGET_STV even for
876         -m{incoming,preferred}-stack-boundary=3.
878 2016-02-03  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
880         * config.gcc: Mark deprecated rtems targets as obsolete.
882 2016-02-04  Segher Boessenkool  <segher@kernel.crashing.org>
884         PR rtl-optimization/64682
885         PR rtl-optimization/69567
886         * combine.c (distribute_notes) <REG_DEAD>: Place the death note
887         before I2 only if the register is both used and set in I2.
889 2016-02-04  DJ Delorie  <dj@redhat.com>
891         * config/msp430/msp430.c (msp430_start_function): Add function type.
893 2016-02-04  Jakub Jelinek  <jakub@redhat.com>
895         PR fortran/69368
896         * tree-dfa.c (get_ref_base_and_extent): Remove unreachable code.
898 2016-02-04  Uros Bizjak  <ubizjak@gmail.com>
900         PR rtl-optimization/69577
901         Revert:
902         2015-10-29  Richard Henderson  <rth@redhat.com>
904         PR target/68124
905         PR rtl-opt/67609
906         * config/i386/i386.c (ix86_cannot_change_mode_class): Tighten
907         sse check to the exact conditions of PR 67609.
909 2016-02-04  Michael Meissner  <meissner@linux.vnet.ibm.com>
911         PR target/69667
912         * config/rs6000/rs6000.md (mov<mode>_64bit_dm): Use 'd' constraint
913         instead of 'ws', and 'wh' instead of 'wm' since TFmode/IFmode are
914         not allowed into the traditional Altivec registers.
915         (movtd_64bit_nodm): Likewise.
916         (mov<mode>_32bit, FMOVE128_FPR iterator): Likewise.
918 2016-02-04  David Malcolm  <dmalcolm@redhat.com>
920         * config/aarch64/cortex-a57-fma-steering.c
921         (aarch64_register_fma_steering): Remove "static" from arguments
922         to register_pass.
924 2016-02-04  Wilco Dijkstra  <wdijkstr@arm.com>
926         PR target/69619
927         * ccmp.c (expand_ccmp_expr_1): Avoid evaluating gs0/gs1
928         twice when complex.
930 2016-02-04  Mike Frysinger  <vapier@gentoo.org>
932         * doc/invoke.texi: Delete -mno-fma4.
934 2016-02-04  Richard Sandiford  <richard.sandiford@arm.com>
936         PR rtl-optimization/69577
937         * reginfo.c (record_subregs_of_mode): Add a partial_def parameter.
938         (find_subregs_of_mode): Update accordingly.  Iterate over partial
939         definitions.
941 2016-02-04  Alan Lawrence  <alan.lawrence@arm.com>
943         * config/arm/arm-protos.h (neon_reinterpret): Remove.
944         * config/arm/arm.c (neon_reinterpret): Remove.
945         * config/arm/arm_neon_builtins.def (vreinterpretv8qi, vreinterpretv4hi,
946         vreinterpretv2si, vreinterpretv2sf, vreinterpretdi, vreinterpretv16qi,
947         vreinterpretv8hi, vreinterpretv4si, vreinterpretv4sf, vreinterpretv2di,
948         vreinterpretti): Remove.
949         * config/arm/neon.md (neon_vreinterpretv8qi<mode>,
950         neon_vreinterpretv4hi<mode>, neon_vreinterpretv2si<mode>,
951         neon_vreinterpretv2sf<mode>, neon_vreinterpretdi<mode>,
952         neon_vreinterpretti<mode>, neon_vreinterpretv16qi<mode>,
953         neon_vreinterpretv8hi<mode>, neon_vreinterpretv4si<mode>,
954         neon_vreinterpretv4sf<mode>, neon_vreinterpretv2di<mode>): Remove.
955         * config/arm/arm_neon.h (vreinterpret_p8_p16, vreinterpret_p8_f32,
956         vreinterpret_p8_p64, vreinterpret_p8_s64, vreinterpret_p8_u64,
957         vreinterpret_p8_s8, vreinterpret_p8_s16, vreinterpret_p8_s32,
958         vreinterpret_p8_u8, vreinterpret_p8_u16, vreinterpret_p8_u32,
959         vreinterpret_p16_p8, vreinterpret_p16_f32, vreinterpret_p16_p64,
960         vreinterpret_p16_s64, vreinterpret_p16_u64, vreinterpret_p16_s8,
961         vreinterpret_p16_s16, vreinterpret_p16_s32, vreinterpret_p16_u8,
962         vreinterpret_p16_u16, vreinterpret_p16_u32, vreinterpret_f32_p8,
963         vreinterpret_f32_p16, vreinterpret_f32_p64, vreinterpret_f32_s64,
964         vreinterpret_f32_u64, vreinterpret_f32_s8, vreinterpret_f32_s16,
965         vreinterpret_f32_s32, vreinterpret_f32_u8, vreinterpret_f32_u16,
966         vreinterpret_f32_u32, vreinterpret_p64_p8, vreinterpret_p64_p16,
967         vreinterpret_p64_f32, vreinterpret_p64_s64, vreinterpret_p64_u64,
968         vreinterpret_p64_s8, vreinterpret_p64_s16, vreinterpret_p64_s32,
969         vreinterpret_p64_u8, vreinterpret_p64_u16, vreinterpret_p64_u32,
970         vreinterpret_s64_p8, vreinterpret_s64_p16, vreinterpret_s64_f32,
971         vreinterpret_s64_p64, vreinterpret_s64_u64, vreinterpret_s64_s8,
972         vreinterpret_s64_s16, vreinterpret_s64_s32, vreinterpret_s64_u8,
973         vreinterpret_s64_u16, vreinterpret_s64_u32, vreinterpret_u64_p8,
974         vreinterpret_u64_p16, vreinterpret_u64_f32, vreinterpret_u64_p64,
975         vreinterpret_u64_s64, vreinterpret_u64_s8, vreinterpret_u64_s16,
976         vreinterpret_u64_s32, vreinterpret_u64_u8, vreinterpret_u64_u16,
977         vreinterpret_u64_u32, vreinterpret_s8_p8, vreinterpret_s8_p16,
978         vreinterpret_s8_f32, vreinterpret_s8_p64, vreinterpret_s8_s64,
979         vreinterpret_s8_u64, vreinterpret_s8_s16, vreinterpret_s8_s32,
980         vreinterpret_s8_u8, vreinterpret_s8_u16, vreinterpret_s8_u32,
981         vreinterpret_s16_p8, vreinterpret_s16_p16, vreinterpret_s16_f32,
982         vreinterpret_s16_p64, vreinterpret_s16_s64, vreinterpret_s16_u64,
983         vreinterpret_s16_s8, vreinterpret_s16_s32, vreinterpret_s16_u8,
984         vreinterpret_s16_u16, vreinterpret_s16_u32, vreinterpret_s32_p8,
985         vreinterpret_s32_p16, vreinterpret_s32_f32, vreinterpret_s32_p64,
986         vreinterpret_s32_s64, vreinterpret_s32_u64, vreinterpret_s32_s8,
987         vreinterpret_s32_s16, vreinterpret_s32_u8, vreinterpret_s32_u16,
988         vreinterpret_s32_u32, vreinterpret_u8_p8, vreinterpret_u8_p16,
989         vreinterpret_u8_f32, vreinterpret_u8_p64, vreinterpret_u8_s64,
990         vreinterpret_u8_u64, vreinterpret_u8_s8, vreinterpret_u8_s16,
991         vreinterpret_u8_s32, vreinterpret_u8_u16, vreinterpret_u8_u32,
992         vreinterpret_u16_p8, vreinterpret_u16_p16, vreinterpret_u16_f32,
993         vreinterpret_u16_p64, vreinterpret_u16_s64, vreinterpret_u16_u64,
994         vreinterpret_u16_s8, vreinterpret_u16_s16, vreinterpret_u16_s32,
995         vreinterpret_u16_u8, vreinterpret_u16_u32, vreinterpret_u32_p8,
996         vreinterpret_u32_p16, vreinterpret_u32_f32, vreinterpret_u32_p64,
997         vreinterpret_u32_s64, vreinterpret_u32_u64, vreinterpret_u32_s8,
998         vreinterpret_u32_s16, vreinterpret_u32_s32, vreinterpret_u32_u8,
999         vreinterpret_u32_u16, vreinterpretq_p8_p16, vreinterpretq_p8_f32,
1000         vreinterpretq_p8_p64, vreinterpretq_p8_p128, vreinterpretq_p8_s64,
1001         vreinterpretq_p8_u64, vreinterpretq_p8_s8, vreinterpretq_p8_s16,
1002         vreinterpretq_p8_s32, vreinterpretq_p8_u8, vreinterpretq_p8_u16,
1003         vreinterpretq_p8_u32, vreinterpretq_p16_p8, vreinterpretq_p16_f32,
1004         vreinterpretq_p16_p64, vreinterpretq_p16_p128, vreinterpretq_p16_s64,
1005         vreinterpretq_p16_u64, vreinterpretq_p16_s8, vreinterpretq_p16_s16,
1006         vreinterpretq_p16_s32, vreinterpretq_p16_u8, vreinterpretq_p16_u16,
1007         vreinterpretq_p16_u32, vreinterpretq_f32_p8, vreinterpretq_f32_p16,
1008         vreinterpretq_f32_p64, vreinterpretq_f32_p128, vreinterpretq_f32_s64,
1009         vreinterpretq_f32_u64, vreinterpretq_f32_s8, vreinterpretq_f32_s16,
1010         vreinterpretq_f32_s32, vreinterpretq_f32_u8, vreinterpretq_f32_u16,
1011         vreinterpretq_f32_u32, vreinterpretq_p64_p8, vreinterpretq_p64_p16,
1012         vreinterpretq_p64_f32, vreinterpretq_p64_p128, vreinterpretq_p64_s64,
1013         vreinterpretq_p64_u64, vreinterpretq_p64_s8, vreinterpretq_p64_s16,
1014         vreinterpretq_p64_s32, vreinterpretq_p64_u8, vreinterpretq_p64_u16,
1015         vreinterpretq_p64_u32, vreinterpretq_p128_p8, vreinterpretq_p128_p16,
1016         vreinterpretq_p128_f32, vreinterpretq_p128_p64, vreinterpretq_p128_s64,
1017         vreinterpretq_p128_u64, vreinterpretq_p128_s8, vreinterpretq_p128_s16,
1018         vreinterpretq_p128_s32, vreinterpretq_p128_u8, vreinterpretq_p128_u16,
1019         vreinterpretq_p128_u32, vreinterpretq_s64_p8, vreinterpretq_s64_p16,
1020         vreinterpretq_s64_f32, vreinterpretq_s64_p64, vreinterpretq_s64_p128,
1021         vreinterpretq_s64_u64, vreinterpretq_s64_s8, vreinterpretq_s64_s16,
1022         vreinterpretq_s64_s32, vreinterpretq_s64_u8, vreinterpretq_s64_u16,
1023         vreinterpretq_s64_u32, vreinterpretq_u64_p8, vreinterpretq_u64_p16,
1024         vreinterpretq_u64_f32, vreinterpretq_u64_p64, vreinterpretq_u64_p128,
1025         vreinterpretq_u64_s64, vreinterpretq_u64_s8, vreinterpretq_u64_s16,
1026         vreinterpretq_u64_s32, vreinterpretq_u64_u8, vreinterpretq_u64_u16,
1027         vreinterpretq_u64_u32, vreinterpretq_s8_p8, vreinterpretq_s8_p16,
1028         vreinterpretq_s8_f32, vreinterpretq_s8_p64, vreinterpretq_s8_p128,
1029         vreinterpretq_s8_s64, vreinterpretq_s8_u64, vreinterpretq_s8_s16,
1030         vreinterpretq_s8_s32, vreinterpretq_s8_u8, vreinterpretq_s8_u16,
1031         vreinterpretq_s8_u32, vreinterpretq_s16_p8, vreinterpretq_s16_p16,
1032         vreinterpretq_s16_f32, vreinterpretq_s16_p64, vreinterpretq_s16_p128,
1033         vreinterpretq_s16_s64, vreinterpretq_s16_u64, vreinterpretq_s16_s8,
1034         vreinterpretq_s16_s32, vreinterpretq_s16_u8, vreinterpretq_s16_u16,
1035         vreinterpretq_s16_u32, vreinterpretq_s32_p8, vreinterpretq_s32_p16,
1036         vreinterpretq_s32_f16, vreinterpretq_s32_f32, vreinterpretq_s32_p64,
1037         vreinterpretq_s32_p128, vreinterpretq_s32_s64, vreinterpretq_s32_u64,
1038         vreinterpretq_s32_s8, vreinterpretq_s32_s16, vreinterpretq_s32_u8,
1039         vreinterpretq_s32_u16, vreinterpretq_s32_u32, vreinterpretq_u8_p8,
1040         vreinterpretq_u8_p16, vreinterpretq_u8_f32, vreinterpretq_u8_p64,
1041         vreinterpretq_u8_p128, vreinterpretq_u8_s64, vreinterpretq_u8_u64,
1042         vreinterpretq_u8_s8, vreinterpretq_u8_s16, vreinterpretq_u8_s32,
1043         vreinterpretq_u8_u16, vreinterpretq_u8_u32, vreinterpretq_u16_p8,
1044         vreinterpretq_u16_p16, vreinterpretq_u16_f32, vreinterpretq_u16_p64,
1045         vreinterpretq_u16_p128, vreinterpretq_u16_s64, vreinterpretq_u16_u64,
1046         vreinterpretq_u16_s8, vreinterpretq_u16_s16, vreinterpretq_u16_s32,
1047         vreinterpretq_u16_u8, vreinterpretq_u16_u32, vreinterpretq_u32_p8,
1048         vreinterpretq_u32_p16, vreinterpretq_u32_f32, vreinterpretq_u32_p64,
1049         vreinterpretq_u32_p128, vreinterpretq_u32_s64, vreinterpretq_u32_u64,
1050         vreinterpretq_u32_s8, vreinterpretq_u32_s16, vreinterpretq_u32_s32,
1051         vreinterpretq_u32_u8, vreinterpretq_u32_u16): Rewrite using casts.
1053 2016-02-04  Martin Liska  <mliska@suse.cz>
1055         PR sanitizer/69276
1056         * asan.c (has_stmt_been_instrumented_p): Instrument gimple calls
1057         that are gimple_store_p.
1058         (maybe_instrument_call): Likewise.
1060 2016-02-04  Bin Cheng  <bin.cheng@arm.com>
1062         * config/aarch64/aarch64.c (aarch64_legitimize_address): Force
1063         register scaling out of memory reference and comment why.
1065 2016-02-04  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1067         PR target/65932
1068         PR target/67714
1069         * cse.c (cse_insn): Pass NULL to fold_rtx when initially
1070         folding the source of a SET.
1072 2016-02-04  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1074         PR target/65932
1075         PR target/67714
1076         * config/arm/arm.c (arm_new_rtx_costs, MULT case): Properly extract
1077         the operands of the SIGN_EXTENDs from a SMUL[TB][TB] rtx.
1079 2016-02-04  Jim Wilson  <jim.wilson@linaro.org>
1081         PR target/65932
1082         PR target/67714
1083         * config/arm/arm.h (PROMOTE_MODE): Don't set UNSIGNEDP for QImode and
1084         HImode.
1086 2016-02-04  Christian Bruel  <christian.bruel@st.com>
1088         * config/arm/arm-c.c (arm_reset_previous_fndecl): Style fix and typo.
1089         * config/arm/arm.c (arm_set_current_function): Likewise.
1091 2016-02-04  Jakub Jelinek  <jakub@redhat.com>
1092             Ilya Enkovich  <enkovich.gnu@gmail.com>
1093             H.J. Lu  <hongjiu.lu@intel.com>
1095         PR target/69454
1096         * config/i386/i386.c (convert_scalars_to_vector): Remove
1097         stack alignment fixes.
1098         (ix86_option_override_internal): Disable TARGET_STV if stack
1099         might not be aligned enough.
1100         (ix86_minimum_alignment): Assert that TARGET_STV is false.
1102 2016-02-04  Victoria Stepanyan  <victoria.stepanyan@amd.com>
1104         * gcc/config/i386/x86-tune.def: Disable default prefetching
1105         for -march=znver1.
1107 2016-02-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
1108             Vladimir Makarov  <vmakarov@redhat.com>
1110         PR target/69461
1111         * config/rs6000/rs6000.c (rs6000_legitimate_address_p): Fix thinko
1112         in validating fused toc addresses.
1114 2016-02-03  Jakub Jelinek  <jakub@redhat.com>
1116         PR c/69627
1117         * diagnostic-show-locus.c (layout::get_state_at_point): Don't read
1118         range->m_caret fields if range->m_show_caret_p is false.
1120         PR target/69644
1121         * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap):
1122         Force oldval into register if it does not satisfy reg_or_short_operand
1123         predicate.  Fix up formatting.
1125 2016-02-03  Vladimir Makarov  <vmakarov@redhat.com>
1126             Alexandre Oliva  <aoliva@redhat.com>
1128         PR target/69461
1129         * lra-constraints.c (simplify_operand_subreg): Check additionally
1130         address validity after potential reloading.
1131         (process_address_1): Check insns validity.  In case of failure do
1132         nothing.
1134 2016-02-03  Kirill Yukhin  <kirill.yukhin@intel.com>
1136         PR target/69118
1137         * config/i386/sse.md (define_insn "avx512f_maskcmp<mode>3"):
1138         Fix target.
1140 2016-02-02  Jakub Jelinek  <jakub@redhat.com>
1142         * wide-int.cc (canonize_uhwi): New function.
1143         (wi::divmod_internal): Use it.
1145 2016-02-02  James Norris  <jnorris@codesourcery.com
1147         * gimplify.c (omp_notice_variable): Add usage check.
1149 2016-02-02  Alexander Monakov  <amonakov@ispras.ru>
1151         * config/nvptx/nvptx.c (nvptx_print_operand): Treat LEU, GEU, LTU, GTU
1152         like LE, GE, LT, GT when emitting relational operator.
1154 2016-02-02  Wilco Dijkstra  <wdijkstr@arm.com>
1156         * ira-costs.c (find_costs_and_classes): Add extra argument.
1157         * target.def (ira_change_pseudo_allocno_class): Add parameter.
1158         * targhooks.h (ira_change_pseudo_allocno_class): Likewise.
1159         * targhooks.c (ira_change_pseudo_allocno_class): Likewise.
1160         * config/aarch64/aarch64.c (aarch64_ira_change_pseudo_allocno_class)
1161         Add best_class parameter, and return it if not ALL_REGS.
1162         * config/mips/mips.c (mips_ira_change_pseudo_allocno_class):
1163         Add parameter.
1164         * doc/tm.texi (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS):
1165         Update target hook.
1167 2016-02-02  Wilco Dijkstra  <wdijkstr@arm.com>
1169         * config/aarch64/aarch64.c
1170         (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS): New define.
1171         (aarch64_ira_change_pseudo_allocno_class): New function.
1173 2016-02-02  Uros Bizjak  <ubizjak@gmail.com>
1175         PR target/67032
1176         * config/i386/i386.c (geode_cost): Increase cost of MMX and SSE moves.
1178 2016-02-02  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
1180         * config/avr/avr.c (avr_option_override): Set
1181         PARAM_ALLOW_STORE_DATA_RACES to 1.
1183 2016-02-02  Richard Biener  <rguenther@suse.de>
1185         PR tree-optimization/69595
1186         * match.pd: Add range test simplifications to true/false.
1188 2016-02-02  Thomas Schwinge  <thomas@codesourcery.com>
1190         * omp-builtins.def (BUILT_IN_GOACC_HOST_DATA): Remove.
1191         * omp-low.c (expand_omp_target): Use BUILT_IN_GOACC_DATA_START
1192         instead.
1194 2016-02-02  Richard Biener  <rguenther@suse.de>
1196         PR tree-optimization/69606
1197         * tree-ssa-math-opts.c (bswap_replace): Clear flow sensitive
1198         info on the result before moving a stmt.
1200 2016-02-02  Yuri Rumyantsev  <ysrumyan@gmail.com>
1202         PR middle-end/68542
1203         * config/i386/i386.c (ix86_expand_branch): Add support for conditional
1204         branch with vector comparison.
1205         * config/i386/sse.md (VI48_AVX): New mode iterator.
1206         (define_expand "cbranch<mode>4): Add support for conditional branch
1207         with vector comparison.
1208         * tree-vect-loop.c (optimize_mask_stores): New function.
1209         * tree-vect-stmts.c (vectorizable_mask_load_store): Initialize
1210         has_mask_store field of vect_info.
1211         * tree-vectorizer.c (vectorize_loops): Invoke optimaze_mask_stores for
1212         vectorized loops having masked stores after vec_info destroy.
1213         * tree-vectorizer.h (loop_vec_info): Add new has_mask_store field and
1214         correspondent macros.
1215         (optimize_mask_stores): Add prototype.
1217 2016-02-02  Alan Modra  <amodra@gmail.com>
1219         PR target/69548
1220         * config/rs6000/predicates.md (quad_int_reg_operand): Don't
1221         allow subregs.
1223 2016-02-02  Alan Modra  <amodra@gmail.com>
1225         PR target/68662
1226         * config/rs6000/rs6000.c (need_toc_init): New var, set it
1227         whenever toc_label_name used.
1228         (rs6000_file_start): Don't set up toc section here,
1229         (rs6000_output_function_epilogue): do so here instead,
1230         (rs6000_xcoff_file_start): and here.
1231         * config/rs6000/rs6000.md (load_toc_aix_si): Set need_toc_init.
1232         (load_toc_aix_di): Likewise.
1234 2016-02-01  Jakub Jelinek  <jakub@redhat.com>
1236         PR rtl-optimization/69592
1237         * rtlanal.c (nonzero_bits_binary_arith_p): New inline function.
1238         (cached_nonzero_bits): Use it instead of ARITHMETIC_P.
1239         (num_sign_bit_copies_binary_arith_p): New inline function.
1240         (cached_num_sign_bit_copies): Use it instead of ARITHMETIC_P.
1242 2016-02-01  Jeff Law  <law@redhat.com>
1244         PR tree-optimization/69580
1245         * params.def (FSM_MAXIMUM_PHI_ARGUMENTS): New param.
1246         * tree-ssa-threadbackward.c
1247         (fsm_find_control_statement_thread_paths): Do not try to walk
1248         through large PHI nodes.
1250 2016-02-01  Jakub Jelinek  <jakub@redhat.com>
1252         * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Return false
1253         when count is incremented above limit, don't analyze further
1254         insns afterwards.
1256         * omp-low.c (oacc_parse_default_dims): Avoid
1257         -Wsign-compare warning, make sure value fits into int
1258         rather than just unsigned int.
1260 2016-02-01  Bin Cheng  <bin.cheng@arm.com>
1262         PR tree-optimization/67921
1263         * fold-const.c (split_tree): New parameters.  Convert pointer
1264         type variable part to proper type before negating.
1265         (fold_binary_loc): Pass new arguments to split_tree.
1267 2016-02-01  Nathan Sidwell  <nathan@codesourcery.com>
1269         * config/nvptx/nvptx.c (PTX_GANG_DEFAULT): New.
1270         (nvptx_goacc_validate_dims): Extend to handle global defaults.
1271         * target.def (OACC_VALIDATE_DIMS): Extend documentation.
1272         * doc/tm.texti: Rebuilt.
1273         * doc/invoke.texi (fopenacc-dim): Document.
1274         * lto-wrapper.c (merge_and_complain): Add OPT_fopenacc_dim_ case.
1275         (append_compiler_options): Likewise.
1276         * omp-low.c (oacc_default_dims, oacc_min_dims): New.
1277         (oacc_parse_default_dims): New.
1278         (oacc_validate_dims): Add USED arg.  Select non-unity default when
1279         possible.
1280         (oacc_loop_fixed_partitions): Return mask of used partitions.
1281         (oacc_loop_auto_partitions): Emit dump info.
1282         (oacc_loop_partition): Return mask of used partitions.
1283         (execute_oacc_device_lower): Parse default dimension arg.  Adjust
1284         loop partitioning and validation calls.
1286 2016-02-01  Richard Biener  <rguenther@suse.de>
1288         PR middle-end/69556
1289         * match.pd: Guard (C1/X)*C2 -> (C1*C2)/X with single_use.
1291 2016-02-01  Richard Biener  <rguenther@suse.de>
1293         PR tree-optimization/69574
1294         * tree-chrec.c (hide_evolution_in_other_loops_than_loop): Instead
1295         of asserting return chrec_dont_know.
1297 2016-02-01  Martin Liska  <mliska@suse.cz>
1299         * mem-stats-traits.h: Add copyright header.
1300         * mem-stats.h: Likewise.
1302 2016-02-01  Richard Biener  <rguenther@suse.de>
1304         PR tree-optimization/69579
1305         * tree-ssa-loop-ivcanon.c (propagate_constants_for_unrolling):
1306         Do not propagate through abnormal PHI results.
1308 2016-02-01  Eric Botcazou  <ebotcazou@adacore.com>
1310         * postreload.c (reload_cse_simplify): Remove dead code.
1312 2016-02-01  Jakub Jelinek  <jakub@redhat.com>
1314         PR rtl-optimization/69570
1315         * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Return true only
1316         if there is more than one set, not if there is a single set.
1318 2016-02-01  Richard Henderson  <rth@redhat.com>
1320         PR rtl-opt/69535
1321         * combine.c (make_compound_operation): When looking through a
1322         subreg, make sure to re-extend to the width of the outer mode.
1324 2016-01-30  Jakub Jelinek  <jakub@redhat.com>
1326         PR tree-optimization/69546
1327         * wide-int.cc (wi::divmod_internal): For unsigned division
1328         where both operands fit into uhwi, if o1 is 1 and o0 has
1329         msb set, if divident_prec is larger than bits per hwi,
1330         clear another quotient word and return 2 instead of 1.
1331         Similarly for remainder with msb in HWI set, if dividend_prec
1332         is larger than bits per hwi.
1334 2016-01-29  Martin Jambor  <mjambor@suse.cz>
1336         * hsa-gen.c (get_memory_order_name): Mask with MEMMODEL_BASE_MASK.
1337         Use short lowercase names.
1338         (get_memory_order): Mask with MEMMODEL_BASE_MASK.  Support
1339         MEMMODEL_CONSUME with acquire semantics and MEMMODEL_SEQ_CST with
1340         acq_rel one.  Protect warning agains segfaults if
1341         get_memory_order_name returns NULL.
1342         (gen_hsa_ternary_atomic_for_builtin): Support with MEMMODEL_SEQ_CST
1343         with release semantics.  Do not warn if get_memory_order already did.
1344         (gen_hsa_insns_for_call): Support with MEMMODEL_SEQ_CST with acquire
1345         semantics.  Fix check for relaxed or acquire semantics.  Do not warn
1346         if get_memory_order already did.
1348 2016-01-29  Sebastian Pop  <s.pop@samsung.com>
1350         * doc/install.texi: Document that isl-0.16 is supported.
1352 2016-01-29  Vladimir Makarov  <vmakarov@redhat.com>
1354         PR target/69299
1355         * config/i386/constraints.md (Bm): Describe as special memory
1356         constraint.
1357         * doc/md.texi (DEFINE_SPECIAL_MEMORY_CONSTRAINT): Describe it.
1358         * genoutput.c (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
1359         * genpreds.c (struct constraint_data): Add is_special_memory.
1360         (have_special_memory_constraints, special_memory_start): New
1361         static vars.
1362         (special_memory_end): Ditto.
1363         (add_constraint): Add new arg is_special_memory.  Add code to
1364         process its true value.  Update have_special_memory_constraints.
1365         (process_define_constraint): Pass the new arg.
1366         (process_define_register_constraint): Ditto.
1367         (choose_enum_order): Process special memory.
1368         (write_tm_preds_h): Generate enum const CT_SPECIAL_MEMORY and
1369         function insn_extra_special_memory_constraint.
1370         (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
1371         * gensupport.c (process_rtx): Process
1372         DEFINE_SPECIAL_MEMORY_CONSTRAINT.
1373         * ira-costs.c (record_reg_classes): Process CT_SPECIAL_MEMORY.
1374         * ira-lives.c (single_reg_class): Use
1375         insn_extra_special_memory_constraint.
1376         * ira.c (ira_setup_alts): Process CT_SPECIAL_MEMORY.
1377         * lra-constraints.c (process_alt_operands): Ditto.
1378         (curr_insn_transform): Use insn_extra_special_memory_constraint.
1379         * recog.c (asm_operand_ok, preprocess_constraints): Process
1380         CT_SPECIAL_MEMORY.
1381         * reload.c (find_reloads): Ditto.
1382         * rtl.def (DEFINE_SPECIFAL_MEMORY_CONSTRAINT): New.
1383         * stmt.c (parse_input_constraint): Use
1384         insn_extra_special_memory_constraint.
1386 2016-01-29  H.J. Lu  <hongjiu.lu@intel.com>
1388         PR target/69530
1389         * lra-splill.c (lra_final_code_change): Revert r229087 by
1390         removing all sub-registers.
1392 2016-01-29  Steve Ellcey  <sellcey@imgtec.com>
1394         PR target/65604
1395         * config/mips/mips.c (mips_output_division): Check flag_delayed_branch.
1397 2016-01-29  Jakub Jelinek  <jakub@redhat.com>
1399         PR target/69551
1400         * config/i386/i386.c (ix86_expand_vector_set) <case V4SImode>: For
1401         SSE1, copy target into the temporary reg first before recursing
1402         on it.
1404 2016-01-29  H.J. Lu  <hongjiu.lu@intel.com>
1406         * config/i386/sse.md (sse2_cvtps2pd<mask_name>): Replace vBm
1407         with vm.
1409 2016-01-29  Jonathan Wakely  <jwakely@redhat.com>
1411         * ginclude/stdarg.h: Test __cplusplus instead of
1412         __GXX_EXPERIMENTAL_CXX0X__.
1414 2016-01-29  Richard Biener  <rguenther@suse.de>
1416         PR tree-optimization/69547
1417         * tree-ssa-dce.c (mark_aliased_reaching_defs_necessary_1):
1418         Do not mark clobbers necessary.
1419         (mark_all_reaching_defs_necessary_1): Likewise.
1421 2016-01-29  Dominik Vogt  <vogt@linux.vnet.ibm.com>
1423         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Format
1424         declaration name with %qs and print it in both error messages.
1425         Also fix indentation.
1427 2016-01-29  Dominik Vogt  <vogt@linux.vnet.ibm.com>
1429         PR other/69006
1430         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Remove
1431         trailing blank line from error message.
1433 2016-01-29  Jonathan Wakely  <jwakely@redhat.com>
1435         PR c++/69462
1436         * ginclude/float.h: Also provide FLT_EVAL_METHOD and DECIMAL_DIG
1437         for C++-11.
1439 2016-01-29  Richard Biener  <rguenther@suse.de>
1441         PR middle-end/69537
1442         * match.pd: Allow all integral types when simplifying a
1443         widening or sign-changing conversion.
1445 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
1447         * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Revert assert
1448         back to setting codegen_error to fail codegen.
1450 2016-01-28  Uros Bizjak  <ubizjak@gmail.com>
1452         PR target/69459
1453         * config/i386/constraints.md (C): Only accept constant zero operand.
1454         (BC): New constraint.
1455         * config/i386/sse.md (*mov<mode>_internal): Use BC constraint
1456         instead of C constraint.
1457         * doc/md.texi (Machine Constraints): Update description
1458         of C constraint.
1460 2016-01-28  Steve Ellcey  <sellcey@imgtec.com>
1462         PR target/68400
1463         * config/mips/mips.c (and_operands_ok): Add MIPS16 check.
1465 2016-01-28  Jakub Jelinek  <jakub@redhat.com>
1467         PR middle-end/69542
1468         * lra-remat.c (calculate_local_reg_remat_bb_data): Only consider
1469         non-debug insns.
1471 2016-01-28  Pat Haugen  <pthaugen@us.ibm.com>
1473         * config/rs6000/rs6000.c (output_cbranch): Don't statically predict
1474         branches if using guessed profile.
1476 2016-01-28  H.J. Lu  <hongjiu.lu@intel.com>
1478         * graphite-optimize-isl.c (optimize_isl): Fix dump.
1480 2016-01-28  Richard Henderson  <rth@redhat.com>
1482         PR target/69305
1483         * config/aarch64/aarch64-modes.def (CC_Cmode): New
1484         * config/aarch64/aarch64-protos.h: Update.
1485         * config/aarch64/aarch64.c (aarch64_zero_extend_const_eq): New.
1486         (aarch64_select_cc_mode): Add check for use of CC_Cmode.
1487         (aarch64_get_condition_code_1): Handle CC_Cmode.
1488         * config/aarch64/aarch64.md (addti3): Use adddi3_compareC.
1489         (*add<mode>3_compareC_cconly_imm): New.
1490         (*add<mode>3_compareC_cconly): New.
1491         (*add<mode>3_compareC_imm): New.
1492         (add<mode>3_compareC): New.
1493         (add<mode>3_carryin, *addsi3_carryin_uxtw): Sort compare operand
1494         to be first.  Use aarch64_carry_operation.
1495         (*add<mode>3_carryin_alt1, *addsi3_carryin_alt1_uxtw): Remove.
1496         (*add<mode>3_carryin_alt2, *addsi3_carryin_alt2_uxtw): Remove.
1497         (*add<mode>3_carryin_alt3, *addsi3_carryin_alt3_uxtw): Remove.
1498         (subti3): Use subdi3_compare1.
1499         (*sub<mode>3_compare0): Rename from sub<mode>3_compare0.
1500         (sub<mode>3_compare1): New.
1501         (*sub<mode>3_carryin0, *subsi3_carryin_uxtw): New.
1502         (*sub<mode>3_carryin): Use aarch64_borrow_operation.
1503         (*subsi3_carryin_uxtw): Likewise.
1504         (*ngc<mode>, *ngcsi_uxtw): Likewise.
1505         (*sub<mode>3_carryin_alt, *subsi3_carryin_alt_uxtw): New.
1506         * config/aarch64/iterators.md (DWI): New.
1507         * config/aarch64/predicates.md (aarch64_carry_operation): New.
1508         (aarch64_borrow_operation): New.
1510 2016-01-28  Abderrazek Zaafrani  <a.zaafrani@samsung.com>
1512         * graphite-optimize-isl.c (optimize_isl): Print a different debug
1513         message when isl does not return a valid schedule.
1515 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
1517         * graphite-isl-ast-to-gimple.c (class translate_isl_ast_to_gimple):
1518         Remove comments from class declarations: they are already in the code
1519         close by the defs.
1521 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
1523         * graphite-isl-ast-to-gimple.c (binary_op_to_tree): Call
1524         codegen_error_p.
1525         (ternary_op_to_tree): Same.
1526         (unary_op_to_tree): Same.
1527         (nary_op_to_tree): Same.
1528         (gcc_expression_from_isl_expr_op): Same.
1529         (gcc_expression_from_isl_expression): Same.
1530         (graphite_create_new_loop): Same.
1531         (graphite_create_new_loop_guard): Same.
1532         (build_iv_mapping): Same.
1533         (graphite_create_new_guard): Same.
1534         (translate_isl_ast_to_gimple::copy_loop_phi_nodes): Same.
1535         (translate_isl_ast_to_gimple::translate_pending_phi_nodes): Same.
1537 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
1539         * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Assert
1540         instead of setting codegen_error to fail codegen.
1542 2016-01-28  Jason Merrill  <jason@redhat.com>
1544         * tree.h (BINFO_FLAG_0): Rename from BINFO_MARKED.
1546 2016-01-28  Wilco Dijkstra  <wdijkstr@arm.com>
1548         * config/aarch64/aarch64.c (aarch64_if_then_else_costs):
1549         Remove CONST_INT_P check in CCMP cost calculation.
1551 2016-01-28  Wilco Dijkstra  <wdijkstr@arm.com>
1553         * config/aarch64/aarch64.c (generic_vector_cost):
1554         Set vec_permute_cost.
1555         (cortexa57_vector_cost): Likewise.
1556         (exynosm1_vector_cost): Likewise.
1557         (xgene1_vector_cost): Likewise.
1558         (aarch64_builtin_vectorization_cost): Use vec_permute_cost.
1559         * config/aarch64/aarch64-protos.h (cpu_vector_cost):
1560         Add vec_permute_cost entry.
1562 2016-01-28  Wilco Dijkstra  <wdijkstr@arm.com>
1564         * config/aarch64/aarch64.md (ccmp<mode>): Disassemble
1565         immediate as %1.
1566         (add<mode>3_compare0): Likewise.
1567         (addsi3_compare0_uxtw): Likewise.
1568         (add<mode>3nr_compare0): Likewise.
1569         (compare_neg<mode>): Likewise.
1570         (<optab><mode>3): Likewise.
1572 2016-01-28  Ilya Enkovich  <enkovich.gnu@gmail.com>
1574         * tree-vect-stmts.c (vectorizable_comparison): Add
1575         NULL check for vectype.
1577 2016-01-28  Richard Biener  <rguenther@suse.de>
1579         PR tree-optimization/69466
1580         * tree-vect-loop-manip.c (slpeel_duplicate_current_defs_from_edges):
1581         Account for PHIs we couldn't duplicate.
1583 2016-01-28  Martin Liska  <mliska@suse.cz>
1585         PR pch/68758
1586         * ggc-common.c (gt_pch_save): Use ENABLE_VALGRIND_ANNOTATIONS macro
1587         instead of ENABLE_VALGRIND_CHECKING.
1589 2016-01-27  Richard Henderson  <rth@redhat.com>
1591         PR rtl-opt/69447
1592         * lra-remat.c (subreg_regs): New.
1593         (dump_candidates_and_remat_bb_data): Dump it.
1594         (operand_to_remat): Reject if operand in subreg_regs.
1595         (set_bb_regs): Collect subreg_regs.
1596         (lra_remat): Init and free subreg_regs.  Compute
1597         calculate_local_reg_remat_bb_data before create_cands.
1599 2016-01-27  H.J. Lu  <hongjiu.lu@intel.com>
1601         PR target/68986
1602         * config/i386/i386.c (ix86_update_stack_boundary): Don't
1603         change stack_alignment_needed for __tls_get_addr call.
1605 2016-01-27  Segher Boessenkool  <segher@kernel.crashing.org>
1607         * config/rs6000/rs6000.c (print_operand): Rollback 's' removal.
1609 2016-01-27  Jeff Law  <law@redhat.com>
1611         PR tree-optimization/68398
1612         PR tree-optimization/69196
1613         * params.def (PARAM_FSM_SCALE_PATH_STMTS): New parameter.
1614         (PARAM_FSM_SCALE_PATH_BLOCKS): Likewise.
1615         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
1616         Only count PHIs in the last block in the path.  The others will
1617         const/copy propagate away.  Add heuristic to allow more irreducible
1618         subloops to be created when it is likely profitable to do so.
1620         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
1621         Fix typo in comment.  Use gsi_after_labels and remove the GIMPLE_LABEL
1622         check from within the loop.  Use gsi_next_nondebug rather than gsi_next.
1624 2016-01-27  Jakub Jelinek  <jakub@redhat.com>
1626         PR lto/69254
1627         * sanitizer.def: Add BEGIN_SANITIZER_BUILTINS and
1628         END_SANITIZER_BUILTINS markers using DEF_BUILTIN_STUB.
1629         * asan.c (DEF_BUILTIN_STUB): Temporarily define.
1630         * tree-streamer-in.c: Include asan.h.
1631         (streamer_get_builtin_tree): For builtins in sanitizer
1632         range call initialize_sanitizer_builtins and retry.
1634 2016-01-27  Ian Lance Taylor  <iant@google.com>
1636         * common.opt (fkeep-gc-roots-live): New undocumented option.
1637         * tree-ssa-loop-ivopts.c (add_candidate_1): If
1638         -fkeep-gc-roots-live, skip pointers.
1639         (add_iv_candidate_for_biv): Handle add_candidate_1 returning
1640         NULL.
1642 2016-01-27  Uros Bizjak  <ubizjak@gmail.com>
1644         PR target/69512
1645         * config/i386/i386.md (*zext<mode>_doubleword_and): New pattern.
1646         (*zext<mode>_doubleword): Disable for TARGET_ZERO_EXTEND_WITH_AND.
1648 2016-01-27  Thomas Klausner  <wiz@NetBSD.org>
1650         PR target/68380
1651         * configure.ac: NetBSD provides SSP in its C library.
1652         * configure: Updated.
1654 2016-01-27  Richard Biener  <rguenther@suse.de>
1656         PR tree-optimization/69166
1657         * tree-vect-loop.c (vect_is_simple_reduction): Always check
1658         reduction code for commutativity / associativity.
1660 2016-01-27  Martin Jambor  <mjambor@suse.cz>
1662         PR tree-optimization/69355
1663         * tree-sra.c (analyze_access_subtree): Correct hole detection when
1664         total_scalarization fails.
1666 2016-01-27  David Edelsohn  <dje.gcc@gmail.com>
1668         * config/rs6000/driver-rs6000.c (detect_processor_aix): Add
1669         power9.
1671 2016-01-27  Christian Bruel  <christian.bruel@st.com>
1673         PR target/69245
1674         * config/arm/arm-c.c (arm_pragma_target_parse): Add comments.
1675         Move arm_reset_previous_fndecl and set_target_option_current_node in
1676         the conditional part.  Call save_restore_target_globals.
1677         * config/arm/arm.c (arm_set_current_function):
1678         Refactor to better support #pragma target and attribute mix.
1679         Call save_restore_target_globals.
1680         * config/arm/arm-protos.h (save_restore_target_globals): New function.
1682 2016-01-27  Martin Liska  <mliska@suse.cz>
1684         * hsa.c (hsa_summary_t::link_functions): Create IPA_REF_ADDR
1685         reference for an HSA kernel and its host function.
1687 2016-01-27  Jakub Jelinek  <jakub@redhat.com>
1689         PR tree-optimization/69399
1690         * wide-int.h (wi::lrshift): For larger precisions, only
1691         use fast path if shift is known to be < HOST_BITS_PER_WIDE_INT.
1693 2016-01-27  Claudiu Zissulescu  <claziss@synopsys.com>
1695         * config/arc/predicates.md (proper_comparison_operator): Reject
1696         constant-constant comparison.
1698 2016-01-26  Tom de Vries  <tom@codesourcery.com>
1700         PR tree-optimization/69110
1701         * tree-data-ref.c (initialize_data_dependence_relation): Handle
1702         DR_NUM_DIMENSIONS == 0.
1704 2016-01-26  Abderrazek Zaafrani  <a.zaafrani@samsung.com>
1705             Sebastian Pop  <s.pop@samsung.com>
1707         * graphite-isl-ast-to-gimple.c (ternary_op_to_tree): Handle
1708         isl_ast_op_cond and isl_ast_op_select.
1709         (gcc_expression_from_isl_expr_op): Same.
1711 2016-01-26  Jason Merrill  <jason@redhat.com>
1713         PR c++/68782
1714         * tree.c (recompute_constructor_flags): Split out from
1715         build_constructor.
1716         (verify_constructor_flags): New.
1717         * tree.h: Declare them.
1719 2016-01-26  Iain Buclaw  <ibuclaw@gdcproject.org>
1721         PR rtl-optimization/69217
1722         * var-tracking.c (tracked_record_parameter_p): Don't segfault if there
1723         are no TYPE_FIELDS set for the record type.
1725 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
1727         PR target/68662
1728         * config/rs6000/rs6000.c (rs6000_option_override_internal): Initialize
1729         toc_label_name unconditionally.
1730         (rs6000_emit_load_toc_table): Call ggc_strdup on toc_label_name for
1731         SYMBOL_REF string.  Use toc_label_name instead of constructing
1732         LCTOC1.
1733         (rs6000_elf_declare_function_name): Use toc_label_name instead of
1734         constructing LCTOC1.
1736 2016-01-26  Martin Sebor  <msebor@redhat.com>
1738         PR other/69477
1739         * doc/extend.texi (Common Type Attributes): Move text that talks about
1740         attribute packed from attribute aligned to the section discussing
1741         the former attribute for clarity.
1743 2016-01-26  Richard Henderson  <rth@redhat.com>
1745         PR middle-end/60908
1746         * trans-mem.c (tm_region_init): Mark entry block as visited.
1748 2016-01-26  David Malcolm  <dmalcolm@redhat.com>
1750         PR other/69006
1751         * diagnostic-show-locus.c (layout::print_source_line): Replace
1752         call to pp_newline with call to layout::print_newline.
1753         (layout::print_annotation_line): Likewise.
1754         (layout::move_to_column): Likewise.
1755         (layout::print_any_fixits): After printing any fixits, print a
1756         trailing newline, if necessary.
1757         (layout::print_newline): New method, resetting any colorization
1758         before a newline.
1759         (diagnostic_show_locus): Move the pp_newline to before the
1760         early bailout.  Remove dummy block enclosing the layout instance.
1761         * diagnostic.c (default_diagnostic_finalizer): Replace invocation
1762         of pp_newline_and_flush with pp_flush.
1763         (diagnostic_append_note): Delete use of pp_newline.
1764         (diagnostic_append_note_at_rich_loc): Delete.
1765         * diagnostic.h (diagnostic_append_note_at_rich_loc): Delete.
1766         * pretty-print.h (output_buffer_append_r): Reset buff->line_length
1767         when newline characters are added to the buffer.
1769 2016-01-26  Michael Matz  <matz@suse.de>
1771         * configure.ac (ac_cv_std_swap_in_utility): New test.
1772         * system.h (<algorithm>): Check HAVE_SWAP_IN_UTILITY as well.
1773         * configure: Regenerate.
1774         * config.in: Regenerate.
1776 2016-01-26  Claudiu Zissulescu  <claziss@synopsys.com>
1778         * config/arc/arc.md (cstoresi4): Force operand into register.
1779         (arcset<code>): Fix predicate.
1780         (arcsetltu): Likewise.
1781         (arcsetgeu): Likewise.
1782         (arcsethi): Likewise.
1783         (arcsetls): Likewise.
1785 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
1787         PR tree-optimization/69483
1788         * gimple-fold.c (canonicalize_constructor_val): Return NULL
1789         if base has error_mark_node type.
1791 2016-01-26  Christophe Lyon  <christophe.lyon@linaro.org>
1793         PR target/68620
1794         * config/arm/arm.c (neon_valid_immediate): Handle FP16 vectors.
1795         * config/arm/arm_neon.h (__ARM_NUM_LANES, __arm_lane, arm_lanq):
1796         New helper macros.
1797         (vget_lane_f16): Handle big-endian.
1798         (vgetq_lane_f16): Likewise.
1799         (vset_lane_f16): Likewise.
1800         (vsetq_lane_f16): Likewise.
1801         * config/arm/iterators.md (VQXMOV): Add V8HF.
1802         (VDQ): Add V4HF and V8HF.
1803         (V_reg): Handle V4HF and V8HF.
1804         (Is_float_mode): Likewise.
1805         * config/arm/neon.md (movv4hf, movv8hf, neon_vdup_nv4hf,
1806         neon_vdup_nv8hf): New patterns.
1807         (vec_set<mode>_internal, vec_extract<mode>, neon_vld1_dup<mode>):
1808         Use VD_LANE iterator.
1809         (neon_vld1_dup<mode>): Use VQ2 iterator.
1811 2016-01-26  Nathan Sidwell  <nathan@acm.org>
1813         * omp-low.h (oacc_fn_attrib_kernels_p): Declare.
1814         (set_oacc_fn_attrib): Add IS_KERNEL arg.
1815         * omp-low.c (set_oacc_fn_attrib): Add IS_KERNEL arg.
1816         (oacc_fn_attrib_kernels_p, oacc_fn_attrib_level): New.
1817         (expand_omp_target): Pass is_kernel to set_oacc_fn_attrib.
1818         (oacc_validate_dims): Add LEVEL arg, don't return level.
1819         (new_oacc_loop_routine): Use oacc_fn_attrib_level, not
1820         oacc_validate_dims.
1821         (execute_oacc_device_lower): Adjust, add more dump output.
1822         * tree-ssa-loop.c (gate_oacc_kernels): Use
1823         oacc_fn_attrib_kernels_p.
1824         * tree-parloops.c (create_parallel_loop): Adjust
1825         set_oacc_fn_attrib call.
1827 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
1829         PR lto/69254
1830         * lto-wrapper.c (merge_and_complain): Handle -fcilkplus.
1831         (append_compiler_options): Handle -fcilkplus.
1832         (append_linker_options): Ignore -fno-{openmp,openacc,cilkplus}.
1834 2016-01-26  Nick Clifton  <nickc@redhat.com>
1836         PR target/66655
1837         * config/i386/winnt.c (i386_pe_binds_local_p): If a function has
1838         been marked as DECL_ONE_ONLY but we do not the means to make it
1839         so, then do not allow it to bind locally.
1841 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
1843         PR lto/69254
1844         * opts.h (parse_sanitizer_options): New prototype.
1845         * opts.c (sanitizer_opts): New array.
1846         (parse_sanitizer_options): New function.
1847         (common_handle_option): Use parse_sanitizer_options.
1849 2016-01-26  H.J. Lu  <hongjiu.lu@intel.com>
1851         PR target/68986
1852         * config/i386/i386.c (ix86_compute_frame_layout): Move stack
1853         alignment adjustment to ...
1854         (ix86_update_stack_boundary): Here.  Don't over-align stack for
1855         __tls_get_addr.
1856         (ix86_finalize_stack_realign_flags): Use stack_alignment_needed
1857         if __tls_get_addr is called.
1859 2016-01-26  Christian Bruel  <christian.bruel@st.com>
1861         * doc/sourcebuild.texi (arm_crypto_pragma_ok): Remove.
1863 2016-01-26  Eric Botcazou  <ebotcazou@adacore.com>
1865         * config/ia64/ia64.c (ia64_expand_vecint_compare): Use gen_int_mode.
1867 2016-01-26  Richard Biener  <rguenther@suse.de>
1869         PR middle-end/69467
1870         * match.pd: Guard X * CST CMP 0 pattern with single_use.
1872 2016-01-26  Richard Biener  <rguenther@suse.de>
1874         PR tree-optimization/69452
1875         * tree-ssa-loop-im.c (move_computations_dom_walker): Remove.
1876         (move_computations_dom_walker::before_dom_children): Rename
1877         to ...
1878         (move_computations_worker): This.
1879         (move_computations): Perform an RPO rather than a DOM walk.
1881 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
1883         PR target/69442
1884         * combine.c (combine_instructions): For REG_EQUAL note with
1885         SET_DEST being ZERO_EXTRACT, also temporarily set SET_DEST
1886         to the underlying register.
1887         * doc/rtl.texi (REG_EQUAL): Document the behavior of
1888         REG_EQUAL/REG_EQUIV notes if SET_DEST is ZERO_EXTRACT.
1890 2016-01-26  Roger Ferrer Ibáñez  <rofirrim@gmail.com>
1892         PR target/67896
1893         * config/aarch64/aarch64-builtins.c
1894         (aarch64_init_simd_builtin_types): Do not set structural
1895         equality to __Poly{8,16,64,128}_t types.
1897 2016-01-26  Richard Sandiford  <richard.sandiford@arm.com>
1899         PR tree-optimization/69400
1900         * wide-int.cc (wi_pack): Take the precision as argument and
1901         perform canonicalization here rather than in the callers.
1902         Use the main loop to handle all full-width HWIs.  Add a
1903         zero HWI if in_len isn't a full result.
1904         (wi::divmod_internal): Update accordingly.
1905         (wi::mul_internal): Likewise.  Simplify.
1907 2016-01-25  Aditya Kumar  <aditya.k7@samsung.com>
1908             Sebastian Pop  <s.pop@samsung.com>
1910         * graphite-poly.c (apply_poly_transforms): Simplify.
1911         (print_isl_set): Use more readable format: ISL_YAML_STYLE_BLOCK.
1912         (print_isl_map): Same.
1913         (print_isl_union_map): Same.
1914         (print_isl_schedule): New.
1915         (debug_isl_schedule): New.
1916         * graphite-dependences.c (scop_get_reads): Do not call
1917         isl_union_map_add_map that is undocumented isl functionality.
1918         (scop_get_must_writes): Same.
1919         (scop_get_may_writes): Same.
1920         (scop_get_original_schedule): Remove.
1921         (scop_get_dependences): Do not call isl_union_map_compute_flow that
1922         is deprecated in isl 0.15.  Instead, use isl_union_access_* interface.
1923         (compute_deps): Remove.
1924         * graphite-isl-ast-to-gimple.c (print_schedule_ast): New.
1925         (debug_schedule_ast): New.
1926         (translate_isl_ast_to_gimple::scop_to_isl_ast): Call
1927         set_separate_option.
1928         (graphite_regenerate_ast_isl): Add dump.
1929         (translate_isl_ast_to_gimple::scop_to_isl_ast): Generate code
1930         from scop->transformed_schedule.
1931         (graphite_regenerate_ast_isl): Add more dump.
1932         * graphite-optimize-isl.c (optimize_isl): Set
1933         scop->transformed_schedule.  Check whether schedules are equal.
1934         (apply_poly_transforms): Move here.
1935         * graphite-poly.c (apply_poly_transforms): ... from here.
1936         (free_poly_bb): Static.
1937         (free_scop): Static.
1938         (pbb_number_of_iterations_at_time): Remove.
1939         (print_isl_ast): New.
1940         (debug_isl_ast): New.
1941         (debug_scop_pbb): New.
1942         * graphite-scop-detection.c (print_edge): Move.
1943         (print_sese): Move.
1944         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Remove.
1945         (build_scop_scattering): Remove.
1946         (create_pw_aff_from_tree): Assert instead of bailing out.
1947         (add_condition_to_pbb): Remove unused code, do not fail.
1948         (add_conditions_to_domain): Same.
1949         (add_conditions_to_constraints): Remove.
1950         (build_scop_context): New.
1951         (add_iter_domain_dimension): New.
1952         (build_iteration_domains): Initialize pbb->iterators.
1953         Call add_conditions_to_domain.
1954         (nested_in): New.
1955         (loop_at): New.
1956         (index_outermost_in_loop): New.
1957         (index_pbb_in_loop): New.
1958         (outermost_pbb_in): New.
1959         (add_in_sequence): New.
1960         (add_outer_projection): New.
1961         (outer_projection_mupa): New.
1962         (add_loop_schedule): New.
1963         (build_schedule_pbb): New.
1964         (build_schedule_loop): New.
1965         (embed_in_surrounding_loops): New.
1966         (build_schedule_loop_nest): New.
1967         (build_original_schedule): New.
1968         (build_poly_scop): Call build_original_schedule.
1969         * graphite.h: Declare print_isl_schedule and debug_isl_schedule.
1970         (free_poly_dr): Remove.
1971         (struct poly_bb): Add iterators.  Remove schedule, transformed, saved.
1972         (free_poly_bb): Remove.
1973         (debug_loop_vec): Remove.
1974         (print_isl_ast): Declare.
1975         (debug_isl_ast): Declare.
1976         (scop_do_interchange): Remove.
1977         (scop_do_strip_mine): Remove.
1978         (scop_do_block): Remove.
1979         (flatten_all_loops): Remove.
1980         (optimize_isl): Remove.
1981         (pbb_number_of_iterations_at_time): Remove.
1982         (debug_scop_pbb): Declare.
1983         (print_schedule_ast): Declare.
1984         (debug_schedule_ast): Declare.
1985         (struct scop): Remove schedule.  Add original_schedule,
1986         transformed_schedule.
1987         (free_gimple_poly_bb): Remove.
1988         (print_generated_program): Remove.
1989         (debug_generated_program): Remove.
1990         (unify_scattering_dimensions): Remove.
1991         * sese.c (print_edge): ... here.
1992         (print_sese): ... here.
1993         (debug_edge): ... here.
1994         (debug_sese): ... here.
1995         * sese.h (print_edge): Declare.
1996         (print_sese): Declare.
1997         (dump_edge): Declare.
1998         (dump_sese): Declare.
2000 2016-01-25  Aditya Kumar  <aditya.k7@samsung.com>
2001             Sebastian Pop  <s.pop@samsung.com>
2003         * Makefile.in: Set ISLVER in site.exp.
2005 2016-01-25  Jakub Jelinek  <jakub@redhat.com>
2007         * omp-low.c (lower_omp_target) <case USE_DEVICE_PTR>: Set
2008         DECL_VALUE_EXPR of new_var even for the non-array case.  Look
2009         through DECL_VALUE_EXPR for expansion.
2011 2016-01-25  Bernd Edlinger  <bernd.edlinger@hotmail.de>
2013         * config/mips/mips.c (mips_compute_frame_info): Skip re-computing
2014         the frame info after reload completed.
2016 2016-01-25  Jeff Law  <law@redhat.com>
2018         PR tree-optimization/69196
2019         PR tree-optimization/68398
2020         * tree-ssa-threadupdate.h (enum bb_dom_status): Moved here from
2021         tree-ssa-threadupdate.c.
2022         (determine_bb_domination_status): Prototype
2023         * tree-ssa-threadupdate.c (enum bb_dom_status): Remove
2024         (determine_bb_domination_status): No longer static.
2025         (valid_jump_thread_path): Remove code to detect characteristics
2026         of the jump thread path not associated with correctness.
2027         * tree-ssa-threadbackward.c (fsm_find_control_statment_thread_paths):
2028         Correct test for thread path length.  Count PHIs for real operands as
2029         statements that need to be copied.  Do not count ASSERT_EXPRs.
2030         Look at all the blocks in the thread path.  Compute and selectively
2031         filter thread paths based on threading through the latch, threading
2032         a multiway branch or crossing a multiway branch.
2034 2016-01-25  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2036         * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled):  Add
2037         decl with __attribute__ ((unused)) annotation.
2039 2016-01-25  Ilya Enkovich  <enkovich.gnu@gmail.com>
2041         PR target/69421
2042         * tree-vect-stmts.c (vectorizable_condition): Check vectype
2043         of operands is compatible with a statement vectype.
2045 2016-01-25  Eric Botcazou  <ebotcazou@adacore.com>
2047         * doc/extend.texi (scalar_storage_order type attribute): Fix typo and
2048         improve wording for mixed storage order support.
2050 2016-01-25  Bilyan Borisov  <bilyan.borisov@arm.com>
2052         * config/aarch64/arm_neon.h (vcvt_s64_f64): New intrinsic.
2053         (vcvt_u64_f64): Likewise.
2054         (vcvta_s64_f64): Likewise.
2055         (vcvta_u64_f64): Likewise.
2056         (vcvtm_s64_f64): Likewise.
2057         (vcvtm_u64_f64): Likewise.
2058         (vcvtn_s64_f64): Likewise.
2059         (vcvtn_u64_f64): Likewise.
2060         (vcvtp_s64_f64): Likewise.
2061         (vcvtp_u64_f64): Likewise.
2063 2016-01-25  Claudiu Zissulescu  <claziss@synopsys.com>
2065         * config/arc/arc.c (TARGET_DWARF_REGISTER_SPAN): Define.
2066         (arc_init): Check validity mll64 option.
2067         (arc_save_restore): Use double load/store instruction.
2068         (arc_expand_movmem): Likewise.
2069         (arc_split_move): Don't split if we have double load/store
2070         instructions. Returns a boolean.
2071         (arc_process_double_reg_moves): Change function to return boolean
2072         instead of a sequence of instructions.
2073         (arc_dwarf_register_span): New function.
2074         * config/arc/arc-protos.h (arc_split_move): Change prototype.
2075         * config/arc/arc.h (TARGET_CPU_CPP_BUILTINS): Define __ARC_LL64__.
2076         * config/arc/arc.md (*movdi_insn): Emit ldd/std instructions.
2077         (*movdf_insn): Likewise.
2078         * config/arc/arc.opt (mll64): New option.
2079         * config/arc/predicates.md (even_register_operand): New predicate.
2080         * doc/invoke.texi (ARC Options): Add mll64 documentation.
2082 2016-01-25  Richard Biener  <rguenther@suse.de>
2084         PR lto/69393
2085         * dwarf2out.c (is_naming_typedef_decl): Not when DECL_NAMELESS.
2086         * tree-streamer-out.c (pack_ts_base_value_fields): Stream
2087         DECL_NAMELESS.
2088         * tree-streamer-in.c (unpack_ts_base_value_fields): Likewise.
2090 2016-01-25  Richard Biener  <rguenther@suse.de>
2092         PR tree-optimization/69376
2093         * tree-ssa-sccvn.h (struct vn_ssa_aux): Add range_info_anti_range_p
2094         flag.
2095         (VN_INFO_ANTI_RANGE_P): New inline.
2096         (VN_INFO_RANGE_TYPE): Likewise.
2097         * tree-ssa-sccvn.c (set_ssa_val_to): Also record and copy
2098         SSA_NAME_ANTI_RANGE_P.
2099         (free_scc_vn): Restore SSA_NAME_ANTI_RANGE_P.
2100         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
2101         Properly query VN_INFO_RANGE_TYPE.
2103 2016-01-25  Nick Clifton  <nickc@redhat.com>
2105         PR target/66655
2106         * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Remove definition.
2108 2016-01-23  Tom de Vries  <tom@codesourcery.com>
2110         PR tree-optimization/69426
2111         * tree-parloops.c (eliminate_local_variables_stmt): Handle vdef of
2112         removed clobber.
2114 2016-01-23  Jakub Jelinek  <jakub@redhat.com>
2116         * tree-ssanames.c (release_free_names_and_compact_live_names): Replace
2117         "the the" with "the" in the comments.
2118         * ipa-devirt.c (build_type_inheritance_graph,
2119         update_type_inheritance_graph): Likewise.
2120         * tree.c (build_function_type_list_1): Likewise.
2121         * cfgloopmanip.c (scale_loop_profile): Likewise.
2122         * tree-ssa-loop-ivopts.c (get_shiftadd_cost): Likewise.
2123         * gimple-ssa-split-paths.c
2124         (find_block_to_duplicate_for_splitting_paths): Likewise.
2125         * tree-sra.c (init_subtree_with_zero, clobber_subtree): Likewise.
2126         * expr.c (convert_move): Likewise.
2127         * var-tracking.c (vt_stack_adjustments): Likewise.
2128         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Likewise.
2129         * tree-vrp.c (test_for_singularity): Likewise.
2131         * tree-vect-stmts.c (vectorizable_condition): Build a VEC_COND_EXPR
2132         directly instead of building a temporary tree.
2134         PR bootstrap/69434
2135         * genrecog.c: Define INCLUDE_ALGORITHM before including system.h,
2136         remove <algorithm> include.
2138 2016-01-22  Jakub Jelinek  <jakub@redhat.com>
2140         PR target/69432
2141         * config/i386/i386.c: Include dojump.h.
2142         (expand_small_movmem_or_setmem,
2143         expand_set_or_movmem_prologue_epilogue_by_misaligned_moves): Spelling
2144         fixes.
2145         (ix86_expand_set_or_movmem): Call do_pending_stack_adjust () early
2146         if dynamic_check != -1.
2148 2016-01-21  Jeff Law  <law@redhat.com>
2150         PR middle-end/69347
2151         * tree-ssa-dom.c (back_propagate_equivalences): Factored out of
2152         record_temporary_equivalences.  Rewritten to avoid unnecessary calls
2153         into dominated_by_p.
2154         (cprop_into_successor_phis): Avoid unnecessary tests.
2156 2016-01-22  Richard Henderson  <rth@redhat.com>
2158         PR target/69416
2159         * config/aarch64/aarch64.md (UNSPEC_NZCV): New.
2160         (ccmp<mode>, fccmp<mode>, fccmpe<mode>): Use it.
2162 2016-01-22  Michael Matz  <matz@suse.de>
2164         * system.h (string, algorithm): Include only conditionally.
2165         (new): Include always under C++.
2166         * bb-reorder.c (toplevel): Define INCLUDE_ALGORITHM.
2167         * final.c (toplevel): Ditto.
2168         * ipa-chkp.c (toplevel): Define INCLUDE_STRING.
2169         * genconditions.c (write_header): Make gencondmd.c define
2170         INCLUDE_STRING.
2171         * mem-stats.h (mem_usage::print_dash_line): Don't use std::string.
2173         * config/aarch64/aarch64.c (toplevel): Define INCLUDE_STRING.
2174         * common/config/aarch64/aarch64-common.c (toplevel): Ditto.
2176 2016-01-22  Christian Bruel  <christian.bruel@st.com>
2178         PR target/68674
2179         * expr.c (expand_expr_real_1): Reset DECL_MODE if VECTOR_TYPE_P changed.
2181 2016-01-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2183         PR target/69403
2184         * config/arm/thumb2.md (*thumb2_ior_scc_strict_it): Convert to
2185         define_insn_and_split.  Ensure operands[1] and operands[0] do not
2186         get assigned the same register.
2188 2016-01-22  Kugan Vivekanandarajah  <kuganv@linaro.org>
2190         * ipa-prop.c (ipa_set_jf_constant): Remove redundant unshare_expr.
2192 2016-01-22  Christian Bruel  <christian.bruel@st.com>
2194         * config/arm/arm-c.c (arm_pragma_target_parse):
2195         Remove warn_builtin_macro_redefined overwrite.
2197 2016-01-22  Eric Botcazou  <ebotcazou@adacore.com>
2199         * ipa-inline.c (can_inline_edge_p): Back out overzealous check on
2200         flag_non_call_exceptions compatibility.
2202 2016-01-22  Jakub Jelinek  <jakub@redhat.com>
2204         PR debug/66668
2205         * dwarf2out.c (add_child_die_after): New function.
2206         (dwarf_qual_info_t): New type.
2207         (dwarf_qual_info): New variable.
2208         (qualified_die_p): New function.
2209         (modified_type_die): For -fdebug-types-section, ensure
2210         canonical order of qualifiers.  Put qualified DIEs adjacent
2211         to the corresponding non-qualified type DIE and search there
2212         for existing qualified DIEs.
2214 2016-01-22  Eric Botcazou  <ebotcazou@adacore.com>
2216         * doc/extend.texi (scalar_storage_order type attribute): Document
2217         restriction on type punning and aliasing, and remove future tense.
2219 2016-01-21  Roman Zhuykov  <zhroma@ispras.ru>
2221         PR target/69252
2222         * modulo-sched.c (optimize_sc): Allow branch-scheduling to add a new
2223         first stage.
2225 2016-01-21  Jeff Law  <law@redhat.com>
2227         PR middle-end/69347
2228         * tree-ssa-dom.c (dom_opt_dom_walker::thread_across_edge): Avoid
2229         useless call to record_temporary_equivalences.
2230         * tree-ssa-threadbackward.c (find_jump_threads_backwards): Just
2231         allocate 10 slots in the bb_path vector and let it grow as needed.
2232         (fsm_find_control_statement_thread_paths): Similarly for the next_path
2233         vector.
2235 2016-01-21  David Edelsohn  <dje.gcc@gmail.com>
2237         * configure.ac (gcc_cv_as_powerpc_mfcrf, gcc_cv_as_machine_directive):
2238         Detangle.
2239         * configure: Regenerate.
2241 2016-01-21  Pat Haugen  <pthaugen@us.ibm.com>
2243         * config/rs6000/aix71.h (ASM_CPU_SPEC): Add entry for Power9.
2244         * config/rs6000/driver-rs6000.c (struct asm_names): Likewise.
2246 2016-01-21  Bernd Schmidt  <bschmidt@redhat.com>
2248         PR middle-end/66178
2249         * expr.c (expand_expr_real_2) [PLUS_EXPR, MINUS_EXPR]: Don't
2250         drop EXPAND_INITIALIZER.
2251         * rtl.h (contains_symbolic_reference_p): Declare.
2252         * rtlanal.c (contains_symbolic_reference_p): New function.
2253         * simplify-rtx.c (simplify_binary_operation_1): Don't turn
2254         a subtraction into a NOT if symbolic constants are involved.
2256 2016-01-21  Anton Blanchard  <anton@samba.org>
2257             Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2259         PR target/63354
2260         * config/rs6000/linux64.h (TARGET_KEEP_LEAF_WHEN_PROFILED): New
2261         #define.
2262         * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled): New
2263         function.
2265 2016-01-21  Ajit Agarwal  <ajitkum@xilinx.com>
2267         * config/microblaze/microblaze.c
2268         (get_branch_target): New.
2269         (insert_wic_for_ilb_runout): New.
2270         (insert_wic): New.
2271         (microblaze_machine_dependent_reorg): New.
2272         (TARGET_MACHINE_DEPENDENT_REORG): Define macro.
2273         * config/microblaze/microblaze.md
2274         (UNSPEC_IPREFETCH): Define.
2275         (iprefetch): New pattern
2276         * config/microblaze/microblaze.opt
2277         (mxl-prefetch): New flag.
2279 2016-01-21  Ajit Agarwal  <ajitkum@xilinx.com>
2281         * config/microblaze/microblaze.h
2282         (FIXED_REGISTERS): Update in macro.
2283         (CALL_USED_REGISTERS): Update in macro.
2285 2016-01-21  Yuri Rumyantsev  <ysrumyan@gmail.com>
2287         PR rtl-optimization/68920
2288         * ifcvt.c (cond_move_process_if_block): Limit number of conditional
2289         moves.
2291 2016-01-21  Vladimir Makarov  <vmakarov@redhat.com>
2293         PR rtl-optimization/68990
2294         * lra-coalesce.c (lra_coalesce): Invalidate value for the result
2295         pseudo instead of inheritance ones.
2297 2016-01-21  Bernd Edlinger  <bernd.edlinger@hotmail.de>
2298             Nick Clifton  <nickc@redhat.com>
2300         PR target/69129
2301         PR target/69012
2302         * config/mips/mips.c (mips_compute_frame_info): Initialise
2303         args_size and hard_frame_pointer_offset fields of the frame
2304         structure before calling mips_global_pointer.
2306 2016-01-21  David Edelsohn  <dje.gcc@gmail.com>
2308         * configure.ac (gcc_cv_as_dwloc): Test support for debug frame section
2309         label reference.
2310         * configure: Regenerate.
2312 2016-01-21  Richard Biener  <rguenther@suse.de>
2314         * graphite-optimize-isl.c (get_schedule_map): Fix typo.
2316 2016-01-21  Marcin Kościelnicki  <koriakin@0x04.net>
2318         * config/s390/s390.c (s390_asm_declare_function_size): Add code
2319         to actually emit the .size directive.
2321 2016-01-21   Stefan Sørensen  <stefan.sorensen@spectralink.com>
2322              Jakub Jelinek  <jakub@redhat.com>
2324         PR target/69187
2325         PR target/65624
2326         * config/arm/arm-builtins.c (arm_expand_neon_builtin): Increase
2327         args array size by one to avoid buffer overflow.
2329 2016-01-21  Marcin Kościelnicki  <koriakin@0x04.net>
2331         * config/s390/s390.md (pool_section_start): Use switch_to_section
2332         to select proper read-only data section instead of hardcoding
2333         .rodata.
2334         (pool_section_end): Use switch_to_section to match the above.
2336 2016-01-21  Richard Biener  <rguenther@suse.de>
2338         PR tree-optimization/69378
2339         * tree-ssa-sccvn.c (dominated_by_p_w_unex): New function.
2340         (set_ssa_val_to): Use it for dominance checks taking into
2341         account not executable edges.
2343 2016-01-21  Jakub Jelinek  <jakub@redhat.com>
2345         PR c++/69355
2346         * tree-dfa.c (get_ref_base_and_extent): Use GET_MODE_BITSIZE (mode)
2347         for bitsize instead of GET_MODE_PRECISION (mode).
2349 2016-01-20  Martin Sebor  <msebor@redhat.com>
2351         PR c/52291
2352         * extend.texi (__sync Builtins): Clarify the semantics of
2353         __sync_fetch_and_OP built-ins on pointers.
2354         (__atomic Builtins): Same.
2356 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
2357             Sebastian Pop  <s.pop@samsung.com>
2359         * graphite-isl-ast-to-gimple.c (enum phi_node_kind): New.
2360         (class translate_isl_ast_to_gimple): Use phi_node_kind instead of bool.
2361         (is_valid_rename): Same.
2362         (translate_isl_ast_to_gimple::get_rename): Same.
2363         (translate_isl_ast_to_gimple::rename_all_uses): Same.
2364         (translate_isl_ast_to_gimple::rename_uses): Same.
2365         (get_new_name): Check for close_phi nodes.
2366         (copy_loop_phi_args): Use phi_node_kind.
2367         (translate_isl_ast_to_gimple::copy_loop_close_phi_args): Same.
2368         (translate_isl_ast_to_gimple::copy_cond_phi_args): Same.
2370 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
2371             Sebastian Pop  <s.pop@samsung.com>
2373         Revert commit r229783.
2374         * graphite-isl-ast-to-gimple.c (gcc_expression_from_isl_ast_expr_id):
2375         Remove use of parameter_rename_map.
2376         (copy_def): Remove.
2377         (copy_internal_parameters): Remove.
2378         (graphite_regenerate_ast_isl): Remove call to copy_internal_parameters.
2379         * sese.c (new_sese_info): Do not initialize parameter_rename_map.
2380         (free_sese_info): Do not free parameter_rename_map.
2381         (set_rename): Do not use parameter_rename_map.
2382         (rename_uses): Update call to set_rename.
2383         (graphite_copy_stmts_from_block): Do not use parameter_rename_map.
2384         * sese.h (parameter_rename_map_t): Remove.
2385         (struct sese_info_t): Remove field parameter_rename_map.
2387 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
2388             Sebastian Pop  <s.pop@samsung.com>
2390         * graphite-isl-ast-to-gimple.c: Fix comment.
2391         * graphite-scop-detection.c (defined_in_loop_p): New.
2392         (canonicalize_loop_closed_ssa): Do not add close phi nodes for SSA
2393         names defined in loop.
2395 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
2396             Sebastian Pop  <s.pop@samsung.com>
2398         * graphite-scop-detection.c (scop_detection::harmful_loop_in_region):
2399         Discard unstructured if-then-else regions.
2401 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
2402             Sebastian Pop  <s.pop@samsung.com>
2404         * graphite-sese-to-poly.c (set_scop_parameter_dim): Remove.
2405         (cleanup_loop_iter_dom): Remove.
2406         (build_loop_iteration_domains): Remove.
2407         (build_scop_context): Remove.
2408         (build_scop_iteration_domain): Remove.
2409         (add_loop_constraints): New.
2410         (build_iteration_domains): New.
2411         (build_poly_scop): Call build_iteration_domains.
2413 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
2414             Sebastian Pop  <s.pop@samsung.com>
2416         * graphite-scop-detection.c
2417         (scop_detection::harmful_loop_in_region): Free dom and loops.
2418         (scop_detection::loop_body_is_valid_scop): Free bbs.
2420 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
2421             Sebastian Pop  <s.pop@samsung.com>
2423         * graphite-scop-detection.c (record_loop_in_sese): New.
2424         (gather_bbs::before_dom_children): Call record_loop_in_sese.
2425         (build_scops): Remove call to build_sese_loop_nests.
2426         * sese.c (sese_record_loop): Remove.
2427         (build_sese_loop_nests): Remove.
2428         (new_sese_info): Remove region->loops.
2429         (free_sese_info): Same.
2430         * sese.h (sese_contains_loop): Same.
2431         (build_sese_loop_nests): Remove.
2432         (sese_contains_loop): Remove.
2434 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
2435             Sebastian Pop  <s.pop@samsung.com>
2437         * graphite-scop-detection.c (loop_is_valid_scop): Renamed
2438         loop_is_valid_in_scop.
2439         (scop_detection::harmful_stmt_in_region): Renamed
2440         harmful_loop_in_region.
2441         Call loop_is_valid_in_scop.
2443 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
2444             Sebastian Pop  <s.pop@samsung.com>
2446         * graphite-isl-ast-to-gimple.c (translate_isl_ast): Also handle
2447         isl_ast_node_mark.
2449 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
2450             Sebastian Pop  <s.pop@samsung.com>
2452         * graphite-poly.c (new_poly_bb): Remove use of PBB_IS_REDUCTION.
2453         * graphite.h (struct poly_bb): Remove field is_reduction.
2454         (PBB_IS_REDUCTION): Remove.
2456 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
2457             Sebastian Pop  <s.pop@samsung.com>
2459         * graphite-dependences.c (constrain_domain): Add call to isl_*_coalesce.
2460         (add_pdr_constraints): Same.
2461         (scop_get_reads): Same.
2462         (scop_get_must_writes): Same.
2463         (scop_get_may_writes): Same.
2464         (scop_get_original_schedule): Same.
2465         (extend_schedule): Same.
2466         (apply_schedule_on_deps): Same.
2467         (carries_deps): Same.
2468         (compute_deps): Same.
2469         (scop_get_dependences): Same.
2470         * graphite-isl-ast-to-gimple.c
2471         (translate_isl_ast_to_gimple::generate_isl_schedule): Same.
2472         * graphite-optimize-isl.c (get_schedule_for_band): Same.
2473         (get_schedule_for_band_list): Same.
2474         (get_schedule_map): Same.
2475         (apply_schedule_map_to_scop): Same.
2476         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
2477         (build_loop_iteration_domains): Same.
2478         (add_condition_to_pbb): Same.
2479         (add_param_constraints): Same.
2480         (pdr_add_memory_accesses): Same.
2481         (pdr_add_data_dimensions): Same.
2483 2016-01-20  Sandra Loosemore <sandra@codesourcery.com>
2485         * doc/invoke.texi (Instrumentation Options): Clarify -mmpx linking
2486         requirements.
2488 2016-01-20  Sandra Loosemore <sandra@codesourcery.com>
2490         * common.opt (feliminate-dwarf2-dups): Replace references to
2491         "DWARF 2" with just "DWARF".
2492         * config/ia64/ia64.opt (mdwarf2-asm): Likewise.
2493         * doc/extend.texi: Likewise.
2494         * doc/cpp.texi: Likewise.
2495         * doc/invoke.texi: Likewise.
2496         (Option Summary): Add -gdwarf to list of Debugging Options.
2497         (Debugging Options): Document -gdwarf.
2498         * doc/contrib.texi: Spell "DWARF" like that.
2500 2016-01-21  Jakub Jelinek  <jakub@redhat.com>
2502         * omp-low.c (expand_omp_target): Avoid -Wmaybe-uninitialized
2503         warning.  Fix up formatting.
2505         PR middle-end/67653
2506         * gimplify.c (gimplify_asm_expr): Warn if it is too late to
2507         attempt to mark memory input operand addressable and
2508         call prepare_gimple_addressable in that case.  Don't adjust
2509         input_location for diagnostics, use error_at instead.
2511 2016-01-20  Peter Bergner  <bergner@vnet.ibm.com>
2513         * config/rs6000/ppc-auxv.h: New file.
2514         * config/rs6000/rs6000-builtin.def (cpu_init): Add new builtin.
2515         (cpu_is): Likewise.
2516         (cpu_supports): Likewise.
2517         * config/rs6000/rs6000.c: include "ppc-auxv.h".
2518         (cpu_is_info): New variable.
2519         (cpu_supports_info): Likewise.
2520         (tcb_verification_symbol): Likewise.
2521         (cpu_builtin_p): Likewise.
2522         (cpu_expand_builtin): New function.
2523         (rs6000_expand_ternop_builtin): Add support for CPU builtin functions.
2524         (rs6000_init_builtins): Likewise.
2525         (rs6000_elf_file_end): Emit HWCAP in TCB verification symbol.
2526         * config/rs6000/rs6000.h (TLS_REGNUM): New define.
2527         * configure.ac (gcc_cv_libc_provides_hwcap_in_tcb): New test.
2528         * configure: Regenerate.
2529         * config.in: Likewise.
2530         * doc/extend.texi (PowerPC Built-in Functions): Document
2531         __builtin_cpu_init, __builtin_cpu_is and __builtin_cpu_supports.
2533 2016-01-20  David Edelsohn  <dje.gcc@gmail.com>
2535         PR target/68609
2536         * config/rs6000/rs6000.c (rs6000_emit_swsqrt): Add vector sqrt
2537         domain check.
2538         * config/rs6000/vector.md (sqrt<mode>2): Call rs6000_emit_swsqrt
2539         for V4SFmode.
2541 2016-01-20  Richard Henderson  <rth@redhat.com>
2543         PR bootstrap/69343
2544         PR bootstrap/69339
2545         PR tree-opt/68964
2546         Revert:
2547         * tree.c (tm_define_builtin): New.
2548         (find_tm_vector_type): New.
2549         (build_tm_vector_builtins): New.
2550         (build_common_builtin_nodes): Call it.
2552 2016-01-20  Christophe Lyon  <christophe.lyon@linaro.org>
2554         * doc/sourcebuild.texi (arm_crypto_pragma_ok): Document new entry.
2555         (arm_fp_ok): Likewise.
2556         (arm_fp): Likewise.
2557         (arm_crypto): Likewise.
2559 2016-01-20  Ilya Enkovich  <enkovich.gnu@gmail.com>
2560             Richard Biener  <rguenther@suse.de>
2562         PR tree-optimization/69328
2563         * tree-vect-stmts.c (vect_is_simple_cond): Check compared
2564         vectors have same number of elements.
2565         (vectorizable_condition): Fix masked version recognition.
2567 2016-01-20  Richard Biener  <rguenther@suse.de>
2569         PR tree-optimization/69345
2570         * tree-ssa-sccvn.h (VN_INFO_RANGE_INFO): New inline function.
2571         (VN_INFO_PTR_INFO): Likewise.
2572         * tree-ssa-sccvn.c (set_ssa_val_to): Avoid clearing points-to
2573         info when it is equal between non-dominating SSA names.
2574         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
2575         Make sure to look at original SSA infos.
2577 2016-01-20  Jeff Law  <law@redhat.com>
2579         PR target/25114
2580         * config/m68k/predicates.md (pow2_m1_operand): New predicate
2581         extracted from ...
2582         (reg_or_pow2_m1_operand): Call pow2_m1_operand.
2583         (pc_or_label_operand): New predicate.
2584         * config/m68k/m68k.md: Add new peephole2 patterns for GTU/LEU
2585         tests for small integers that are 2^n - 1.
2587 2016-01-20  Jonathan Wakely  <jwakely@redhat.com>
2589         * doc/invoke.texi (Options Summary): Add '.' after @xref.
2591 2016-01-19  Jeff Law  <law@redhat.com>
2593         PR middle-end/69347
2594         * tree-ssa-threadbackwards.c
2595         (fsm_find_control_statement_thread_paths): Do not try to lookup
2596         FSM paths for SSA_NAMEs appearing in abnormal PHIs.
2598 2016-01-20  Kugan Vivekanandarajah  <kuganv@linaro.org>
2600         * doc/lto.texi: Remove text that says only Gold has linker plugin
2601         support.
2603 2016-01-19  Eric Botcazou  <ebotcazou@adacore.com>
2605         * dwarf2out.c (need_endianity_attribute_p): New inline predicate.
2606         (base_type_die): Add REVERSE parameter and attach DW_AT_endianity to
2607         the DIE accordingly.
2608         (modified_type_die): Add REVERSE parameter and pass it recursively,
2609         as well as to base_type_die.  Adjust presence check accordingly.
2610         (base_type_for_mode): Adjust call to modified_type_die.
2611         (add_type_attribute): Add REVERSE parameter and pass it to
2612         modified_type_die.
2613         (generic_parameter_die): Adjust call to add_type_attribute.
2614         (add_scalar_info): Likewise.
2615         (add_subscript_info): Likewise.
2616         (gen_array_type_die): Likewise.
2617         (gen_descr_array_type_die): Likewise.
2618         (gen_entry_point_die): Likewise.
2619         (gen_enumeration_type_die): Likewise.
2620         (gen_formal_parameter_die): Likewise.
2621         (gen_subprogram_die): Likewise.
2622         (gen_variable_die ): Likewise.
2623         (gen_const_die): Likewise.
2624         (gen_field_die): Likewise.
2625         (gen_pointer_type_die): Likewise.
2626         (gen_reference_type_die): Likewise.
2627         (gen_ptr_to_mbr_type_die): Likewise.
2628         (gen_inheritance_die): Likewise.
2629         (gen_subroutine_type_die): Likewise.
2630         (gen_typedef_die): Likewise.
2631         (force_type_die): Adjust call to modified_type_die.
2633 2016-01-19  Sandra Loosemore <sandra@codesourcery.com>
2635         * doc/standards.texi: Copy-editing for grammar, markup, and sentence
2636         flow throughout the file.  Fix broken link to Objective-C 2.0
2637         documentation.
2638         * doc/invoke.texi: More copy-editing; fix numerous typos and spelling
2639         errors.
2641 2016-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
2643         * ccmp.c (expand_ccmp_expr_1): Avoid spurious unused warnings.
2645 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
2647         PR ipa/66223
2648         * ipa-devirt.c (is_cxa_pure_virtual_p): New function.
2649         (maybe_record_node): Record cxa_pure_virtual as the only possible
2650         target if there are not ohter candidates.
2651         (possible_polymorphic_call_target_p): Accept cxa_pure_virtual.
2653 2016-01-19  Richard Biener  <rguenther@suse.de>
2655         * hsa-gen.c (get_memory_order_name): Use MEMMODEL_ constants.
2656         (get_memory_order): Likewise.
2658 2016-01-19  Kirill Yukhin  <kirill.yukhin@intel.com>
2660         * tree-vect-stmts.c (vectorizable_store): Check
2661         rhs vectype.
2663 2016-01-19  David Malcolm  <dmalcolm@redhat.com>
2665         PR jit/68446
2666         * gcc.c (driver::decode_argv): Add call to
2667         init_opts_obstack before init_options_struct.
2668         * opts.c (init_opts_obstack): Remove idempotency.
2669         (init_options_struct): Replace call to init_opts_obstack
2670         with a gcc_assert to verify that it has already been called.
2671         * toplev.c (toplev::main): Add call to init_opts_obstack before
2672         calls to init_options_struct.
2673         (toplev::finalize): Move cleanup of opts_obstack next to
2674         cleanup of save_decoded_options, clearing the latter, and
2675         save_decoded_options_count.
2677 2016-01-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2679         PR target/69135
2680         * config/arm/vfp.md (l<vrint_pattern><su_optab><mode>si2): Set "conds"
2681         attribute to unconditional.  Remove %? from output template.
2683 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
2684             Jiong Wang  <jiong.wang@arm.com>
2686         * ccmp.c (expand_ccmp_expr_1): Cost the instruction sequences
2687         generated from different expand order.
2689 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
2691         * /config/aarch64/aarch64.c (aarch64_if_then_else_costs):
2692         Add support for CCMP costing.
2694 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
2696         * ccmp.c (ccmp_candidate_p): Remove integer-only restriction.
2697         * config/aarch64/aarch64.md (fccmp<mode>): New pattern.
2698         (fccmpe<mode>): Likewise.
2699         (fcmp): Rename to fcmp and globalize pattern.
2700         (fcmpe): Likewise.
2701         * config/aarch64/aarch64.c (aarch64_gen_ccmp_first): Add FP support.
2702         (aarch64_gen_ccmp_next): Add FP support.
2704 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
2706         * target.def (gen_ccmp_first): Update documentation.
2707         (gen_ccmp_next): Likewise.
2708         * doc/tm.texi (gen_ccmp_first): Update documentation.
2709         (gen_ccmp_next): Likewise.
2710         * ccmp.c (expand_ccmp_expr): Extract cmp_code from return value of
2711         expand_ccmp_expr_1.  Improve comments.
2712         * config/aarch64/aarch64.md (ccmp_and): Use if_then_else for ccmp.
2713         (ccmp_ior<mode>): Remove pattern.
2714         (cmp<mode>): Remove expand.
2715         (cmp): Globalize pattern.
2716         (cstorecc4): Use cc_register.
2717         (mov<mode>cc): Remove ccmp_cc_register check.
2718         * config/aarch64/aarch64.c (aarch64_get_condition_code_1):
2719         Simplify after removal of CC_DNE/* modes.
2720         (aarch64_ccmp_mode_to_code): Remove.
2721         (aarch64_print_operand): Remove 'K' case.  Merge 'm' and 'M' cases.
2722         In 'k' case use integer as condition.
2723         (aarch64_nzcv_codes): Remove inverted cases.
2724         (aarch64_code_to_ccmode): Remove.
2725         (aarch64_gen_ccmp_first): Use cmp pattern directly.  Return the correct
2726         comparison with CC register to be used in folowing CCMP/branch/CSEL.
2727         (aarch64_gen_ccmp_next): Use previous comparison and mode in CCMP
2728         pattern.  Return the comparison with CC register.  Invert conditions
2729         when bitcode is OR.
2730         * config/aarch64/aarch64-modes.def: Remove CC_DNE/* modes.
2731         * config/aarch64/predicates.md (ccmp_cc_register): Remove.
2733 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
2735         * cgraphunit.c (cgraph_node::reset): Clear thunk info and
2736         instrumented_version.
2738 2016-01-19  Richard Biener  <rguenther@suse.de>
2740         PR tree-optimization/69336
2741         * tree-ssa-scopedtables.c (avail_expr_hash): Handle all
2742         handled components with get_ref_base_and_extent.
2743         (equal_mem_array_ref_p): Adjust.
2745 2016-01-19  Jakub Jelinek  <jakub@redhat.com>
2747         PR debug/65779
2748         * shrink-wrap.c: Include valtrack.h.
2749         (move_insn_for_shrink_wrap): Add DEBUG argument.  If
2750         MAY_HAVE_DEBUG_INSNS, call dead_debug_add on DEBUG_INSNs
2751         in between insn and where it will be moved to.  Call
2752         dead_debug_insert_temp.
2753         (prepare_shrink_wrap): Adjust caller.  Call dead_debug_local_init
2754         first and dead_debug_local_finish at the end.
2755         For uses and defs bitmap, handle all regs in between REGNO and
2756         END_REGNO, not just the first one.
2758 2016-01-19  Richard Biener  <rguenther@suse.de>
2760         PR tree-optimization/69352
2761         * tree-ssa-scopedtables.c (avail_expr_hash): Check for size == -1.
2762         (equal_mem_array_ref_p): Constrain size and max size properly.
2763         Compare the reverse flag.
2765 2016-01-19  Bernd Schmidt  <bschmidt@redhat.com>
2767         * ira.c (ira): Update regstat data if we deleted insns.
2769 2016-01-19  Jakub Jelinek  <jakub@redhat.com>
2771         PR rtl-optimization/68955
2772         PR rtl-optimization/64557
2773         * dse.c (record_store, check_mem_read_rtx): Don't call get_addr
2774         here.  Fix up formatting.
2775         * alias.c (get_addr): Handle VALUE +/- CONST_SCALAR_INT_P.
2777 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
2779         PR lto/69133
2780         * cgraphunit.c (cgraph_node::expand_thunk): When forcing gimple
2781         assume that the node has body.
2782         * cgraph.c (cgraph_node::get_untransformed_body): Use gimple_body_p
2783         check.
2785 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
2787         * lto-streamer-out.c (lto_output): Do not stream instrumentation
2788         thunks.
2790 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
2792         * symtab.c (symtab_node::asm_name): Do not call printable name directly.
2793         (symtab_node::name): Report name as unnamed if DECL_NAME is not set.
2795 2016-01-19  Martin Jambor  <mjambor@suse.cz>
2796             Martin Liska  <mliska@suse.cz>
2797             Michael Matz <matz@suse.de>
2799         * Makefile.in (OBJS): Add new source files.
2800         (GTFILES): Add hsa.c.
2801         * common.opt (disable_hsa): New variable.
2802         (-Whsa): New warning.
2803         * config.in (ENABLE_HSA): New.
2804         * configure.ac: Treat hsa differently from other accelerators.
2805         (OFFLOAD_TARGETS): Define ENABLE_OFFLOADING according to
2806         $enable_offloading.
2807         (ENABLE_HSA): Define ENABLE_HSA according to $enable_hsa.
2808         * doc/install.texi (Configuration): Document --with-hsa-runtime,
2809         --with-hsa-runtime-include, --with-hsa-runtime-lib and
2810         --with-hsa-kmt-lib.
2811         * doc/invoke.texi (-Whsa): Document.
2812         (hsa-gen-debug-stores): Likewise.
2813         * lto-wrapper.c (compile_images_for_offload_targets): Do not attempt
2814         to invoke offload compiler for hsa acclerator.
2815         * opts.c (common_handle_option): Determine whether HSA offloading
2816         should be performed.
2817         * params.def (PARAM_HSA_GEN_DEBUG_STORES): New parameter.
2818         * builtin-types.def (BT_FN_VOID_UINT_PTR_INT_PTR): New.
2819         (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_INT_INT): Removed.
2820         (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_PTR): New.
2821         * gimple-low.c (lower_stmt): Also handle GIMPLE_OMP_GRID_BODY.
2822         * gimple-pretty-print.c (dump_gimple_omp_for): Also handle
2823         GF_OMP_FOR_KIND_GRID_LOOP.
2824         (dump_gimple_omp_block): Also handle GIMPLE_OMP_GRID_BODY.
2825         (pp_gimple_stmt_1): Likewise.
2826         * gimple-walk.c (walk_gimple_stmt): Likewise.
2827         * gimple.c (gimple_build_omp_grid_body): New function.
2828         (gimple_copy): Also handle GIMPLE_OMP_GRID_BODY.
2829         * gimple.def (GIMPLE_OMP_GRID_BODY): New.
2830         * gimple.h (enum gf_mask): Added GF_OMP_PARALLEL_GRID_PHONY,
2831         GF_OMP_FOR_KIND_GRID_LOOP, GF_OMP_FOR_GRID_PHONY and
2832         GF_OMP_TEAMS_GRID_PHONY.
2833         (gimple_statement_omp_single_layout): Updated comments.
2834         (gimple_build_omp_grid_body): New function.
2835         (gimple_has_substatements): Also handle GIMPLE_OMP_GRID_BODY.
2836         (gimple_omp_for_grid_phony): New function.
2837         (gimple_omp_for_set_grid_phony): Likewise.
2838         (gimple_omp_parallel_grid_phony): Likewise.
2839         (gimple_omp_parallel_set_grid_phony): Likewise.
2840         (gimple_omp_teams_grid_phony): Likewise.
2841         (gimple_omp_teams_set_grid_phony): Likewise.
2842         (gimple_return_set_retbnd): Also handle GIMPLE_OMP_GRID_BODY.
2843         * omp-builtins.def (BUILT_IN_GOMP_OFFLOAD_REGISTER): New.
2844         (BUILT_IN_GOMP_OFFLOAD_UNREGISTER): Likewise.
2845         (BUILT_IN_GOMP_TARGET): Updated type.
2846         * omp-low.c: Include symbol-summary.h, hsa.h and params.h.
2847         (adjust_for_condition): New function.
2848         (get_omp_for_step_from_incr): Likewise.
2849         (extract_omp_for_data): Moved parts to adjust_for_condition and
2850         get_omp_for_step_from_incr.
2851         (build_outer_var_ref): Handle GIMPLE_OMP_GRID_BODY.
2852         (fixup_child_record_type): Bail out if receiver_decl is NULL.
2853         (scan_sharing_clauses): Handle OMP_CLAUSE__GRIDDIM_.
2854         (scan_omp_parallel): Do not create child functions for phony
2855         constructs.
2856         (check_omp_nesting_restrictions): Handle GIMPLE_OMP_GRID_BODY.
2857         (scan_omp_1_op): Checking assert we are not remapping to
2858         ERROR_MARK.  Also also handle GIMPLE_OMP_GRID_BODY.
2859         (parallel_needs_hsa_kernel_p): New function.
2860         (expand_parallel_call): Register apprpriate parallel child
2861         functions as HSA kernels.
2862         (grid_launch_attributes_trees): New type.
2863         (grid_attr_trees): New variable.
2864         (grid_create_kernel_launch_attr_types): New function.
2865         (grid_insert_store_range_dim): Likewise.
2866         (grid_get_kernel_launch_attributes): Likewise.
2867         (get_target_argument_identifier_1): Likewise.
2868         (get_target_argument_identifier): Likewise.
2869         (get_target_argument_value): Likewise.
2870         (push_target_argument_according_to_value): Likewise.
2871         (get_target_arguments): Likewise.
2872         (expand_omp_target): Call get_target_arguments instead of looking
2873         up for teams and thread limit.
2874         (grid_expand_omp_for_loop): New function.
2875         (grid_arg_decl_map): New type.
2876         (grid_remap_kernel_arg_accesses): New function.
2877         (grid_expand_target_kernel_body): New function.
2878         (expand_omp): Call it.
2879         (lower_omp_for): Do not emit phony constructs.
2880         (lower_omp_taskreg): Do not emit phony constructs but create for them
2881         a temporary variable receiver_decl.
2882         (lower_omp_taskreg): Do not emit phony constructs.
2883         (lower_omp_teams): Likewise.
2884         (lower_omp_grid_body): New function.
2885         (lower_omp_1): Call it.
2886         (grid_reg_assignment_to_local_var_p): New function.
2887         (grid_seq_only_contains_local_assignments): Likewise.
2888         (grid_find_single_omp_among_assignments_1): Likewise.
2889         (grid_find_single_omp_among_assignments): Likewise.
2890         (grid_find_ungridifiable_statement): Likewise.
2891         (grid_target_follows_gridifiable_pattern): Likewise.
2892         (grid_remap_prebody_decls): Likewise.
2893         (grid_copy_leading_local_assignments): Likewise.
2894         (grid_process_kernel_body_copy): Likewise.
2895         (grid_attempt_target_gridification): Likewise.
2896         (grid_gridify_all_targets_stmt): Likewise.
2897         (grid_gridify_all_targets): Likewise.
2898         (execute_lower_omp): Call grid_gridify_all_targets.
2899         (make_gimple_omp_edges): Handle GIMPLE_OMP_GRID_BODY.
2900         * tree-core.h (omp_clause_code): Added OMP_CLAUSE__GRIDDIM_.
2901         (tree_omp_clause): Added union field dimension.
2902         * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE__GRIDDIM_.
2903         * tree.c (omp_clause_num_ops): Added number of arguments of
2904         OMP_CLAUSE__GRIDDIM_.
2905         (omp_clause_code_name): Added name of OMP_CLAUSE__GRIDDIM_.
2906         (walk_tree_1): Handle OMP_CLAUSE__GRIDDIM_.
2907         * tree.h (OMP_CLAUSE_GRIDDIM_DIMENSION): New.
2908         (OMP_CLAUSE_SET_GRIDDIM_DIMENSION): Likewise.
2909         (OMP_CLAUSE_GRIDDIM_SIZE): Likewise.
2910         (OMP_CLAUSE_GRIDDIM_GROUP): Likewise.
2911         * passes.def: Schedule pass_ipa_hsa and pass_gen_hsail.
2912         * tree-pass.h (make_pass_gen_hsail): Declare.
2913         (make_pass_ipa_hsa): Likewise.
2914         * ipa-hsa.c: New file.
2915         * lto-section-in.c (lto_section_name): Add hsa section name.
2916         * lto-streamer.h (lto_section_type): Add hsa section.
2917         * timevar.def (TV_IPA_HSA): New.
2918         * hsa-brig-format.h: New file.
2919         * hsa-brig.c: New file.
2920         * hsa-dump.c: Likewise.
2921         * hsa-gen.c: Likewise.
2922         * hsa.c: Likewise.
2923         * hsa.h: Likewise.
2924         * toplev.c (compile_file): Call hsa_output_brig.
2925         * hsa-regalloc.c: New file.
2927 2016-01-18  Jeff Law  <law@redhat.com>
2929         PR tree-optimization/69320
2930         * tree-ssa-dom.c (record_edge_info): For comparisons against a boolean
2931         ranged object, do nothing if the RHS constant is not [0..1].
2932         (optimize_stmt): Comparing a boolean ranged object against a
2933         constant outside [0..1] results in a compile-time constant.
2935         * tree-ssanames.c (ssa_name_has_boolean_range): Remove unnecessary
2936         test.
2938 2016-01-18  Sandra Loosemore <sandra@codesourcery.com>
2940         * doc/invoke.texi (Invoking GCC): Add new section to menu.
2941         (Option Summary): Update to reflect new section and moved options.
2942         (C++ Dialect Options): Move -fstats to new section.
2943         (Debugging Options): Move all dump, statistics, and other GCC
2944         developer options to new section.  Rewrite section introduction
2945         and re-order remaining options to put the more basic ones first.
2946         (Optimization Options): Move -fira-verbose and -flto-report* to
2947         new section.
2948         (Developer Options): New section incorporating moved options.
2949         * doc/cppopts.texi (-dM): Update cross-reference.
2951 2016-01-18  Richard Henderson  <rth@redhat.com>
2953         PR target/69176
2954         * config/aarch64/aarch64.md (add<GPI>3): Move long immediate
2955         operands to pseudo only if CSE is expected.  Split long immediate
2956         operands only after reload, and for the stack pointer.
2957         (*add<GPI>3_pluslong): Remove.
2958         (*addsi3_aarch64, *adddi3_aarch64): Merge into...
2959         (*add<GPI>3_aarch64): ... here.  Add r/rk/Upl alternative.
2960         (*addsi3_aarch64_uxtw): Add r/rk/Upl alternative.
2961         (*add<GPI>3 peepholes): New.
2962         (*add<GPI>3 splitters): New.
2963         * config/aarch64/constraints.md (Upl): New.
2964         * config/aarch64/predicates.md (aarch64_pluslong_strict_immedate): New.
2966 2016-01-18  Richard Biener  <rguenther@suse.de>
2968         PR tree-optimization/69297
2969         * tree-vect-slp.c (vect_bb_slp_scalar_cost): Count each scalar
2970         stmt at most once.
2971         (vect_bb_vectorization_profitable_p): Clear visited flag again.
2973 2016-01-18  Yuri Rumyantsev  <ysrumyan@gmail.com>
2975         PR middle-end/68542
2976         * fold-const.c (fold_binary_op_with_conditional_arg): Bail out for case
2977         of mixind vector and scalar types.
2978         (fold_relational_const): Add handling of vector
2979         comparison with boolean result.
2980         * tree-cfg.c (verify_gimple_comparison): Add argument CODE, allow
2981         comparison of vector operands with boolean result for EQ/NE only.
2982         (verify_gimple_assign_binary): Adjust call for verify_gimple_comparison.
2983         (verify_gimple_cond): Likewise.
2984         * tree-vrp.c (extract_code_and_val_from_cond_with_ops): Modify check on
2985         valid type of VAL.
2987 2016-01-18  Joseph Myers  <joseph@codesourcery.com>
2989         * config/mips/mips.h (ISA_HAS_PAIRED_SINGLE): Require
2990         !TARGET_OCTEON.
2992 2016-01-18  Richard Biener  <rguenther@suse.de>
2994         PR middle-end/69308
2995         * gimple.c (gimple_could_trap_p_1): Handle GIMPLE_COND.
2997 2016-01-18  Tom de Vries  <tom@codesourcery.com>
2999         * passes.def: Add pass_parallelize_loops to pass_oacc_kernels.
3001 2016-01-18  Tom de Vries  <tom@codesourcery.com>
3003         * omp-low.c (set_oacc_fn_attrib): Make extern.
3004         * omp-low.h (set_oacc_fn_attrib): Declare.
3005         * tree-parloops.c (struct reduction_info): Add reduc_addr field.
3006         (create_call_for_reduction_1): Handle case that reduc_addr is non-NULL.
3007         (create_parallel_loop, gen_parallel_loop, try_create_reduction_list):
3008         Add and handle function parameter oacc_kernels_p.
3009         (find_reduc_addr, get_omp_data_i_param): New function.
3010         (ref_conflicts_with_region, oacc_entry_exit_ok_1)
3011         (oacc_entry_exit_single_gang, oacc_entry_exit_ok): New function.
3012         (parallelize_loops): Add and handle function parameter oacc_kernels_p.
3013         Calculate dominance info.  Skip loops that are not in a kernels region
3014         in oacc_kernels_p mode.  Skip inner loops of parallelized loops.
3015         (pass_parallelize_loops::execute): Call parallelize_loops with
3016         oacc_kernels_p argument.
3017         (pass_parallelize_loops::clone, pass_parallelize_loops::set_pass_param):
3018         New member function.
3019         (pass_parallelize_loops::bool oacc_kernels_p): New member var.
3020         * passes.def: Add argument to pass_parallelize_loops instantation.
3022 2016-01-18  Tom de Vries  <tom@codesourcery.com>
3024         * tree-parloops.c (pass_parallelize_loops::execute): Allow
3025         pass_parallelize_loops to be run outside the loop pipeline.
3027 2016-01-18  Alan Lawrence  <alan.lawrence@arm.com>
3029         * tree-scalar-evolution.c (follow_copies_to_constant): New.
3030         (analyze_initial_condition, analyze_scalar_evolution_1): Call previous.
3032 2016-01-18  Alan Lawrence  <alan.lawrence@arm.com>
3034         PR target/63679
3035         * tree-ssa-scopedtables.c (avail_expr_hash): Hash MEM_REF and ARRAY_REF
3036         using get_ref_base_and_extent.
3037         (equal_mem_array_ref_p): New.
3038         (hashable_expr_equal_p): Add call to previous.
3040 2016-01-18  Alan Lawrence  <alan.lawrence@arm.com>
3042         PR target/63679
3043         * tree-sra.c (disqualified_constants, constant_decl_p): New.
3044         (sra_initialize): Allocate disqualified_constants.
3045         (sra_deinitialize): Free disqualified_constants.
3046         (disqualify_candidate): Update disqualified_constants when appropriate.
3047         (create_access): Scan for constant-pool entries as we go along.
3048         (scalarizable_type_p): Add check against type_contains_placeholder_p.
3049         (maybe_add_sra_candidate): Allow constant-pool entries.
3050         (load_assign_lhs_subreplacements): Bind debug for constant pool vars.
3051         (initialize_constant_pool_replacements): New.
3052         (sra_modify_assign): Avoid mangling assignments created by previous,
3053         and don't generate writes into constant pool.
3054         (sra_modify_function_body): Call initialize_constant_pool_replacements.
3056 2016-01-18  Ilya Enkovich  <enkovich.gnu@gmail.com>
3058         * config/i386/i386.c (scalar_to_vector_candidate_p): Support
3059         andnot instruction.
3060         (scalar_chain::convert_op): Likewise.
3061         * config/i386/i386.md (*andndi3_doubleword): New.
3063 2016-01-18  Richard Biener  <rguenther@suse.de>
3065         PR tree-optimization/69170
3066         * tree-vect-slp.c (vect_build_slp_tree): Verify we are not
3067         building a vector from scalar results of a pattern stmt.
3069 2016-01-18  Jakub Jelinek  <jakub@redhat.com>
3071         * haifa-sched.c (autopref_multipass_init): Work around
3072         -Wmaybe-uninitialized warning.
3074 2016-01-18  Thomas Preud'homme  <thomas.preudhomme@arm.com>
3076         * config/arm/arm.c (thumb1_reorg): Check that the comparison is
3077         against the constant 0.
3079 2016-01-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3081         PR tree-optimization/68799
3082         * gimple-ssa-strength-reduction.c (create_phi_basis): Directly
3083         look up phi candidates in the statement-candidate map.
3084         (phi_add_costs): Likewise.
3085         (record_phi_increments): Likewise.
3086         (phi_incr_cost): Likewise.
3087         (ncd_with_phi): Likewise.
3088         (all_phi_incrs_profitable): Likewise.
3090 2016-01-17  Jakub Jelinek  <jakub@redhat.com>
3092         * omp-low.c (mark_loops_in_oacc_kernels_region): Work around
3093         -Wmaybe-uninitialized warning.
3095 2016-01-16  Sandra Loosemore  <sandra@codesourcery.com>
3097         * doc/invoke.texi (Invoking GCC): Add new section to menu.
3098         (Option Summary): Update to reflect new section and moved options.
3099         (C++ Dialect Options): Move -fvtable-verify and related options.
3100         (Debugging Options): Move Sanitizer, Pointer Bounds Checker,
3101         and profiling-related options.
3102         (Optimization Options): Move profile generation options and
3103         -fstack-protector and related options.
3104         (Instrumentation Options): New section incorporating moved options.
3105         (Code Generation Options): Move -finstrument-functions and
3106         related options, -fstack-check, -fstack-limit*, and -fbounds-check.
3108 2016-01-16  Tom de Vries  <tom@codesourcery.com>
3110         * passes.def: Move pass_expand_omp_ssa out of pass_parallelize_loops.
3112 2016-01-16  Tom de Vries  <tom@codesourcery.com>
3114         * omp-low.c (expand_omp_atomic_fetch_op):  Release defs of update stmt.
3116 2016-01-16  Richard Sandiford  <richard.sandiford@arm.com>
3118         * hash-table.h (hash_table::empty): Turn into an inline wrapper
3119         that checks whether the table is already empty.  Rename the
3120         original implementation to...
3121         (hash_table::empty_slot): ...this new private function.
3123 2016-01-15  David Malcolm  <dmalcolm@redhat.com>
3125         PR diagnostic/68899
3126         * diagnostic-show-locus.c (layout::print_source_line): Move x
3127         offset of line until after call to
3128         get_line_width_without_trailing_whitespace.
3130 2016-01-15  Jeff Law  <law@redhat.com>
3132         PR tree-optimization/69270
3133         * tree-ssanames.c (ssa_name_has_boolean_range): Moved here from
3134         tree-ssa-dom.c.  Improve test for [0..1] ranve from VRP.
3135         * tree-ssa-dom.c (ssa_name_has_boolean_range): Remove.
3136         * tree-ssanames.h (ssa_name_has_boolean_range): Prototype.
3137         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
3138         ssa_name_has_boolean_range and constant_boolean_node.
3140 2016-01-15  Vladimir Makarov  <vmakarov@redhat.com>
3142         PR rtl-optimization/69030
3143         * lra-spills.c (remove_pseudos): Check nrefs and make the function
3144         returning bool.
3145         (spill_pseudos): Delete debug insn for dead pseudo.
3146         (lra_spill): Initiate spill_hard_reg and slots memory separately.
3148 2016-01-15  Jiong Wang  <jiong.wang@arm.com>
3150         * config/aarch64/aarch64-builtins.c (aarch64_types_unopus_qualifiers):
3151         New.
3152         (TYPES_UNOPUS): Likewise.
3153         * config/aarch64/aarch64-simd-builtins.def (lbtruncuv2sf): Correct
3154         builtin type, from UNOP to UNOPUS.
3155         (lbtruncuv4sf): Likewise.
3156         (lbtruncuv2df): Likewise.
3157         (lrounduv2sf): Likewise.
3158         (lrounduv4sf): Likewise.
3159         (lrounduv2df): Likewise.
3160         (lroundusf): Likewise.
3161         (lroundusf): Likewise.
3162         (lceiluv2sf): Likewise.
3163         (lceiluv4sf): Likewise.
3164         (lceiluv2df): Likewise.
3165         (lceilusf): Likewise.
3166         (lceiludf): Likewise.
3167         (lflooruv2sf): Likewise.
3168         (lflooruv4sf): Likewise.
3169         (lflooruv2df): Likewise.
3170         (lfloorusf): Likewise.
3171         (lfloorudf): Likewise.
3172         (lfrintnuv2sf): Likewise.
3173         (lfrintnuv4sf): Likewise.
3174         (lfrintnuv2df): Likewise.
3175         (lfrintnusf): Likewise.
3176         (lfrintnudf): Likewise.
3177         * config/aarch64/arm_neon.h (vcvt_u32_f32): Remove unncessary type
3178         conversion.
3179         (vcvtq_u32_f32): Likewise.
3180         (vcvtq_u64_f64): Likewise.
3181         (vcvta_u32_f32): Likewise.
3182         (vcvtaq_u32_f32): Likewise.
3183         (vcvtaq_u64_f64): Likewise.
3184         (vcvtm_u32_f32): Likewise.
3185         (vcvtmq_u32_f32): Likewise.
3186         (vcvtmq_u64_f64): Likewise.
3187         (vcvtn_u32_f32): Likwise.
3188         (vcvtnq_u32_f32): Likewise.
3189         (vcvtnq_u64_f64): Likewise.
3190         (vcvtp_u32_f32): Likewise.
3191         (vcvtpq_u32_f32): Likewise.
3192         (vcvtpq_u64_f64): Likewise.
3193         (vcvtmd_u64_f64): Likewise.
3194         (vcvtms_u32_f32): Likewise.
3195         (vcvtad_u64_f64): Likewise.
3196         (vcvtas_u32_f32): Likewise.
3197         (vcvtnd_u64_f64): Likewise.
3198         (vcvtns_u32_f32): Likewise.
3199         (vcvtpd_u64_f64): Likewise.
3200         (vcvtps_u32_f32): Likewise.
3202 2016-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3204         * config/aarch64/aarch64.c (aarch64_if_then_else_costs): Handle
3205         CSEL of zero_extended registers.
3207 2016-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3209         * config/aarch64/aarch64.c (aarch64_rtx_costs, COMPARE case):
3210         Handle COMPARE of ZERO_EXTRACT against zero form of TST-immediate.
3212 2016-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3214         * config/aarch64/aarch64.c (aarch64_process_one_target_attr): Return
3215         false when argument string is not found in the attributes table
3216         at all.
3218 2016-01-15  David Edelsohn  <dje.gcc@gmail.com>
3220         PR target/68609
3221         * config/rs6000/rs6000.c (rs6000_emit_msub): Delete.
3222         (rs6000_emit_swsqrt): Convert to Goldschmidt's Algorithm
3223         * config/rs6000/rs6000.md (sqrt<mode>2): Limit swsqrt to high
3224         precision estimate.
3226 2016-01-15  Richard Biener  <rguenther@suse.de>
3228         PR tree-optimization/66856
3229         * tree-vect-loop.c (vect_transform_loop): Free SLP instances here.
3230         * tree-vect-slp.c (vect_free_slp_tree): Decrement stmt reference count.
3231         (vect_create_new_slp_node): Increment stmt reference count.
3232         (vect_get_and_check_slp_defs): Make sure stmts are nor already in
3233         an SLP tree before swapping operands.
3234         (vect_build_slp_tree): Likewise.
3235         (destroy_bb_vec_info): Free stmt info after SLP instances.
3236         * tree-vect-stmts.c (new_stmt_vec_info): Initialize reference count.
3237         * tree-vectorizer.h (struct _stmt_vec_info): Add num_slp_uses field.
3238         (STMT_VINFO_NUM_SLP_USES): New macro.
3240 2016-01-15  Richard Biener  <rguenther@suse.de>
3242         PR debug/69137
3243         * dwarf2out.c (add_linkage_name_raw): New function split out from ...
3244         (add_linkage_name): ... here.
3245         (gen_typedef_die): Use add_linkage_name_raw instead of
3246         add_linkage_attr to delay DECL_ASSEMBLER_NAME computation
3247         if necessary.
3249 2016-01-15  Cesar Philippidis  <cesar@codesourcery.com>
3251         * gimplify.c (oacc_default_clause): Decode reference and pointer
3252         types for both kernels and parallel regions.
3254 2016-01-15  Richard Sandiford  <richard.sandiford@arm.com>
3256         PR middle-end/69246
3257         * calls.c (emit_call_1): Force n_popped to zero for sibcalls.
3259 2016-01-15  Ilya Enkovich  <enkovich.gnu@gmail.com>
3261         * config/i386/i386.c (scalar_chain::compute_convert_gain): Fix typo.
3262         (convert_scalars_to_vector): Likewise.
3264 2016-01-15  Jonathan Wakely  <jwakely@redhat.com>
3266         * doc/extend.texi (Type Traits): Fix grammar.
3268 2016-01-15  Martin Jambor  <mjambor@suse.cz>
3270         * tree-inline.c (remap_decl): Use existing dclarations if
3271         remapping a type and prevent_decl_creation_for_types.
3272         (replace_locals_stmt): Do an initial remapping of non-VLA typed
3273         decls first.  Do real remapping with
3274         prevent_decl_creation_for_types set.
3275         * tree-inline.h (copy_body_data): New field
3276         prevent_decl_creation_for_types, moved remap_var_for_cilk to avoid
3277         padding.
3279 2016-01-15  Dominik Vogt  <vogt@linux.vnet.ibm.com>
3281         * config/s390/s390.opt (mmvcle): More verbose help text.
3283 2016-01-15  Dominik Vogt  <vogt@linux.vnet.ibm.com>
3285         * config/s390/s390.opt: Add period to -mzvector option text.
3287 2016-01-15  Richard Biener  <rguenther@suse.de>
3289         PR tree-optimization/68961
3290         * tree-vect-slp.c (vect_analyze_slp_cost_1): Consider cost
3291         of invariants in stores again.
3293 2016-01-15  Sebastian Huber  <sebastian.huber@embedded-brains.de>
3295         * config/arm/t-rtems: Add cortex-m7/fpv5-d16 multilib.
3297 2016-01-15  Ilya Enkovich  <enkovich.gnu@gmail.com>
3299         * config/i386/i386.c (ix86_expand_branch): Don't split
3300         DI mode xor instruction to SI mode.
3302 2016-01-15  Jan Hubicka  <hubicka@ucw.cz>
3304         PR ipa/68148
3305         * ipa-icf.c (sem_function::merge): Virtual functions may become
3306         reachable even if they address is not taken and there are no
3307         idrect calls.
3309 2016-01-15  Jan Hubicka  <hubicka@ucw.cz>
3311         * lto-streamer-out.c (subtract_estimated_size): New function.
3312         (get_symbol_initial_value): Use it.
3314 2016-01-15  Christian Bruel  <christian.bruel@st.com>
3316         PR target/65837
3317         * config/arm/arm-builtins.c (ARM_BUILTIN_CRYPTO_BASE): New enum tag.
3318         (arm_init_neon_builtins_internal): Rename arm_init_neon_builtins,
3319         (arm_init_crypto_builtins_internal): Rename arm_init_crypto_builtins.
3320         use add_builtin_function_ext_scope instead of add_builtin_function.
3321         (neon_set_p, neon_crypto_set_p): Remove.
3322         (arm_init_builtins): Always call arm_init_neon_builtins and
3323         arm_init_crypto_builtins.
3324         (arm_expand_builtin): Check that builtins are allowed for the arch.
3325         * config/arm/arm-protos.h (arm_init_neon_builtins): Remove prototype.
3326         * config/arm/arm.c (arm_valid_target_attribute_tree): Remove
3327         arm_init_neon_builtins call.
3329 2016-01-15  Richard Biener  <rguenther@suse.de>
3331         PR tree-optimization/69117
3332         * tree-ssa-sccvn.h (struct vn_ssa_aux): Add info member.
3333         * tree-ssa-sccvn.c (set_ssa_val_to): Save and adjust SSA name info
3334         of the leader conservatively.
3335         (free_scc_vn): Restore original SSA name infos.
3337 2016-01-14  Jeff Law  <law@redhat.com>
3339         PR tree-optimization/69270
3340         * tree-ssa-dom.c (ssa_name_has_boolean_range): If the type has a
3341         single bit of precision, verify it's also unsigned.
3342         (record_edge_info): Use constant_boolean_node rather than fold_convert
3343         to convert boolean_true/boolean_false to the right type.
3345 2016-01-14  Richard Henderson  <rth@redhat.com>
3347         PR rtl-opt/69014
3348         * loop-doloop.c (record_reg_sets): New.
3349         (doloop_optimize): Reject the transform if the sequence
3350         clobbers registers live at the end of the loop block.
3351         (doloop_optimize_loops): Enable df_live if needed.
3353 2016-01-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
3355         * config/rs6000/rs6000-builtin.def: Revert 2016-01-13 change.
3356         * gcc/config/rs6000/rs6000.c: Likewise.
3357         * gcc/config/rs6000/rs6000.h: Likewise.
3358         * gcc/config/rs6000/rs6000.md: Likewise.
3359         * gcc/doc/extend.texi: Likewsie.
3361 2016-01-14  Jeff Law  <law@redhat.com>
3363         * tree-ssa-dom.c (ssa_name_has_boolean_range): Fix comment
3364         typo.
3366 2016-01-14  Richard Henderson  <rth@redhat.com>
3368         PR c/69272
3369         PR tree-opt/68964
3370         * trans-mem.c (tm_log_emit_stmt): Fix unit size to bit size.
3371         * tree.c (build_tm_vector_builtins): Use builtin_decl_explicit_p
3372         instead of builtin_decl_declared_p to test for declaration.
3374 2016-01-14  Nicklas Bo Jensen  <nbjensen@gmail.com>
3376         * doc/loop.texi (Loop Analysis and Representation): Document
3377         loop_depth function.
3379 2016-01-14  Tom de Vries  <tom@codesourcery.com>
3381         PR tree-optimization/68773
3382         * omp-low.c (expand_omp_target): Don't set force_output.
3383         * varpool.c (varpool_node::get_create): Same.
3384         * lto-cgraph.c (input_offload_tables): Mark entries in offload_vars and
3385         offload_funcs with force_output.
3387 2016-01-14  Jakub Jelinek  <jakub@redhat.com>
3389         PR debug/69244
3390         * lra-eliminations.c (move_plus_up): Don't change anything if either
3391         the outer or inner subreg mode is not MODE_INT.
3392         * dwarf2out.c (mem_loc_descriptor): For SUBREG, if outer mode is
3393         integral <= DWARF2_ADDR_SIZE, convert to untyped afterwards.
3395 2016-01-14  Alan Lawrence  <alan.lawrence@arm.com>
3397         * doc/md.texi (reduc_smin_@var{m}, reduc_smax_@var{m},
3398         reduc_umin_@var{m}, reduc_umax_@var{m}, reduc_splus_@var{m},
3399         reduc_uplus_@var{m}): Remove.
3400         * expr.c (expand_expr_real_2): Remove expansion path for
3401         reduc_[us](min|max|plus) optabs.
3402         * optabs-tree.c (scalar_reduc_to_vector): Remove.
3403         * optabs-tree.h (scalar_reduc_to_vector): Remove.
3404         * optabs.def (reduc_smax_optab, reduc_smin_optab, reduc_splus_optab,
3405         reduc_umax_optab, reduc_umin_optab, reduc_uplus_optab): Remove.
3406         * tree-vect-loop.c (vectorizable_reduction): Remove test for
3407         reduc_[us](min|max|plus) optabs.
3409 2016-01-14  Alan Lawrence  <alan.lawrence@arm.com>
3411         * config/mips/mips-ps-3d.md (reduc_splus_v2sf): Remove.
3412         (reduc_plus_scal_v2sf): New.
3413         (reduc_smax_v2sf): Rename to...
3414         (reduc_smax_scal_v2sf): ...here, make result SFmode, add vec_extract.
3415         (reduc_smin_v2sf): Rename to...
3416         (reduc_smin_scal_v2sf): ...here, make result SFmode, add vec_extract.
3418 2016-01-14  Jan Hubicka  <hubicka@ucw.cz>
3420         * alias.c (compare_base_symbol_refs): New function.
3421         (rtx_equal_for_memref_p, base_alias_check, memrefs_conflict_p): Use
3422         it.
3424 2016-01-14  Jakub Jelinek  <jakub@redhat.com>
3426         PR middle-end/68146
3427         PR tree-optimization/69155
3428         * tree-complex.c: Include cfganal.h.
3429         (phis_to_revisit): New variable.
3430         (extract_component): Add phiarg_p argument.  Assert that returned
3431         SSA_NAME has non-NULL SSA_NAME_DEF_STMT unless phiarg_p is true.
3432         (update_phi_components): Partly rewrite to use loop over real/imag
3433         components instead of code duplication.  If extract_component returns
3434         SSA_NAME with NULL SSA_NAME_DEF_STMT, store SSA_NAME_VAR or
3435         create_tmp_reg into the PHI node instead, and mention the phi triplet
3436         in phis_to_revisit.
3437         (tree_lower_complex): Walk bbs in rpo order.  Adjust phis recorded
3438         in phis_to_revisit at the end.
3440 2016-01-14  Richard Biener  <rguenther@suse.de>
3442         PR tree-optimization/68060
3443         * tree-vect-loop.c (vect_is_simple_reduction): Check the
3444         outer loop reduction is only used in the inner loop before
3445         detecting a double reduction.
3447 2016-01-14  Jakub Jelinek  <jakub@redhat.com>
3449         PR target/68269
3450         * combine.c (expand_field_assignment): Punt if compute_mode is
3451         unsupported scalar mode.
3453 2016-01-14  Richard Biener  <rguenther@suse.de>
3455         PR tree-optimization/66856
3456         * tree-vect-slp.c (vect_build_slp_tree): Refactor to build
3457         SLP node only if it built successfully.
3458         (vect_analyze_slp_instance): Adjust.
3460 2016-01-14  Jeff Law  <law@redhat.com>
3462         PR tree-optimization/69270
3463         * tree-ssa-dom.c (ssa_name_has_boolean_range): New function.
3464         (record_edge_info): Use it.  Convert boolean_{true,false}_node
3465         to the type of op0.
3467 2016-01-13  Jan Hubicka  <hubicka@ucw.cz>
3469         PR ipa/66487
3470         * ipa-polymorphic-call.c (inlined_polymorphic_ctor_dtor_block_p):
3471         use block_ultimate_origin
3472         (noncall-stmt_may_be_vtbl_ptr_store): Likewise.
3474 2016-01-13  Sandra Loosemore <sandra@codesourcery.com>
3476         * doc/invoke.texi (Submodel Options): Rename section to
3477         "Machine-Dependent Options" to better reflect its content.
3478         Rewrite introductory text to remove archaic CPU names.
3479         Update references.
3481 2016-01-13  Sandra Loosemore <sandra@codesourcery.com>
3483         * doc/invoke.texi (Code Gen Options): Move section up in file,
3484         before target-specific options.  Update menu and option summary
3485         to reflect the new section ordering.
3487 2016-01-13  Jonathan Wakely  <jwakely@redhat.com>
3489         * doc/invoke.texi (C Dialect Options): Adjust -std default for C++.
3490         (C++ Dialect Options): Add cross-reference to -std option.
3491         * doc/standards.texi (C++ Language): Document C++14 support.
3493 2016-01-13  Michael Meissner  <meissner@linux.vnet.ibm.com>
3495         * config/rs6000/rs6000-builtin.def (BU_FLOAT128_2): Add support
3496         for pack/unpack functions for __ibm128.
3497         (PACK_IF): Likewise.
3498         (UNPACK_IF): Likewise.
3500         * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Add
3501         support for __ibm128 pack/unpack functions.
3502         (rs6000_invalid_builtin): Likewise.
3503         (rs6000_init_builtins): Likewise.
3504         (rs6000_opt_masks): Likewise.
3506         * config/rs6000/rs6000.h (MASK_FLOAT128): Add short name.
3507         (RS6000_BTM_FLOAT128): Add support for __ibm128 pack/unpack
3508         functions
3509         (RS6000_BTM_COMMON): Likewise.
3511         * config/rs6000/rs6000.md (f128_vsx): New mode attribute.
3512         (unpack<mode>): Use FMOVE128_FPR iterator instead of FMOVE128, to
3513         disallow __builtin_{pack,unpack}_longdouble if long double is IEEE
3514         128-bit floating point.  Add support for the double values to be
3515         in Altivec registers for TF/IF packing and unpacking, but restrict
3516         TD packing sub-fields to be FPR registers.  Don't allow overlapped
3517         register support for packing.  Allow pack inputs to be memory
3518         locations.  Don't build generator functions for unpack<mode>_dm
3519         and unpack<mode>_nodm.
3520         (unpack<mode>_dm): Likewise.
3521         (unpack<mode>_nodm): Likewise.
3522         (pack<mode>): Likewise.
3524         * config/rs6000/rs6000-builtin.def (__builtin_pack_ibm128): Add
3525         built-in functions to pack/unpack explicit __ibm128 values.
3526         (__builtin_unpack_ibm128): Likewise.
3528         * doc/extend.texi (PowerPC Built-in Functions): Document
3529         __builtin_pack_ibm128 and __builtin_unpack_ibm128.
3531 2016-01-13  Bernd Schmidt  <bschmidt@redhat.com>
3533         PR c/66208
3534         * c-common.c (check_function_nonnull): Remove unnecessary declaration.
3535         Add new arg loc and pass it down as context.
3536         (check_nonnull_arg): Don't mark ctx arg as unused. Use it as a pointer
3537         to the location to use for the warning.
3538         (check_function_arguments): New arg loc.  All callers changed.  Pass
3539         it to check_function_nonnull.
3540         * c-common.h (check_function_arguments): Adjust declaration.
3542 2016-01-13  Jakub Jelinek  <jakub@redhat.com>
3544         PR tree-optimization/69156
3545         * gimple.c (validate_type): Removed.
3546         (gimple_builtin_call_types_compatible_p): Use
3547         useless_type_conversion_p instead of validate_type.
3548         * value-prof.c (gimple_stringop_fixed_value): Fold
3549         icall_size to correct type.
3551 2016-01-13  Jonathan Wakely  <jwakely@redhat.com>
3553         * doc/extend.texi (__atomic Builtins): Clarify compare_exchange
3554         effects.
3556 2016-01-13  Richard Henderson  <rth@redhat.com>
3558         PR tree-opt/68964
3559         * target.def (builtin_tm_load, builtin_tm_store): Remove.
3560         * config/i386/i386.c (ix86_builtin_tm_load): Remove.
3561         (ix86_builtin_tm_store): Remove.
3562         (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
3563         (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
3564         * doc/tm.texi.in (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
3565         (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
3566         * doc/tm.texi: Rebuild.
3568         * gtm-builtins.def (BUILT_IN_TM_MEMCPY_RNWT): New.
3569         (BUILT_IN_TM_MEMCPY_RTWN): New.
3570         * trans-mem.c (tm_log_emit_stmt): Rearrange code for better
3571         fallback from vector to integer helpers.
3572         (build_tm_load): Handle vector types directly, instead of
3573         via target hook.
3574         (build_tm_store): Likewise.
3575         (expand_assign_tm): Prepare for register types not handled by
3576         the above.  Copy them to memory and use memcpy.
3577         * tree.c (tm_define_builtin): New.
3578         (find_tm_vector_type): New.
3579         (build_tm_vector_builtins): New.
3580         (build_common_builtin_nodes): Call it.
3582 2016-01-13  Uros Bizjak  <ubizjak@gmail.com>
3584         * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Return -1 for
3585         TARGET_SSE_MATH without TARGET_SSE2.  Rewrite.
3587 2016-01-13  Tom de Vries  <tom@codesourcery.com>
3589         PR tree-optimization/69169
3590         * tree-ssa-structalias.c (create_variable_info_for_1): Add and handle
3591         handled_struct_type param.
3592         (create_variable_info_for, intra_create_variable_infos): Call
3593         create_variable_info_for_1 with extra arg.
3595 2016-01-13  Yvan Roux  <yvan.roux@linaro.org>
3597         * config/arm/arm-arches.def: Remove spurious whitespace in "armv8.1-a"
3598         and "armv8.1-a+crc" entries.
3600 2016-01-13  Alexander Fomin  <alexander.fomin@intel.com>
3602         PR target/69228
3603         * config/i386/sse.md (define_expand "avx512pf_gatherpf<mode>sf"):
3604         Change first operand predicate from register_or_constm1_operand
3605         to register_operand.
3606         (define_expand "avx512pf_gatherpf<mode>df"): Likewise.
3607         (define_expand "avx512pf_scatterpf<mode>sf"): Likewise.
3608         (define_expand "avx512pf_scatterpf<mode>df"): Likewise.
3609         (define_insn "*avx512pf_gatherpf<mode>sf"): Remove.
3610         (define_insn "*avx512pf_gatherpf<mode>df"): Likewise.
3611         (define_insn "*avx512pf_scatterpf<mode>sf"): Likewise.
3612         (define_insn "*avx512pf_scatterpf<mode>df"): Likewise.
3613         * config/i386/i386.c (ix86_expand_builtin): Remove first operand
3614         comparison with constm1_rtx from vec_prefetch_gen part.
3616 2016-01-13  Richard Biener  <rguenther@suse.de>
3618         PR tree-optimization/69013
3619         * tree-ssa-uninit.c (prune_uninit_phi_opnds_in_unrealizable_paths):
3620         Exchange assert for a test.
3622 2016-01-13  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
3624         PR target/69247
3625         * config/s390/s390.md (bswaphi splitter): Use simplify_gen_subreg.
3627 2016-01-13  Richard Biener  <rguenther@suse.de>
3629         PR tree-optimization/69242
3630         * tree-ssa-sccvn.c (visit_reference_op_load): Replace bogus
3631         assert with a check.
3633 2016-01-13  Richard Biener  <rguenther@suse.de>
3635         PR tree-optimization/69186
3636         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
3637         Properly guard vect_update_misalignment_for_peel call.
3639 2016-01-12  Jeff Law  <law@redhat.com>
3641         PR tree-optimization/pr67755
3642         * tree-ssa-threadupdate.c (struct ssa_local_info_t): Add new field
3643         "need_profile_correction".
3644         (thread_block_1): Initialize new field to false by default.  If we
3645         have multiple thread paths through a common joiner to different
3646         final targets, then set new field to true.
3647         (compute_path_counts): Only do count adjustment when it's really
3648         needed.
3650 2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>
3652         * doc/invoke.texi (Spec Files): Move section down in file, past
3653         all command-line option descriptions.
3655 2016-01-12  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
3657         PR middle-end/54809
3658         * doc/gty.texi: Remove documentation of mark_hook.
3659         * gengtype.c (struct write_types_data): Remove code to support
3660         mark_hook attribute.
3661         (walk_type): Likewise.
3662         (write_func_for_structure): Likewise.
3664 2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>
3666         * doc/invoke.texi (Option Summary) Move -no-canonical-prefixes to
3667         Directory Options, and -specs= to Overall Options.
3668         (Overall Options): Adjust similarly.  Reorder to group related
3669         options together.  Make -specs= cross-reference the spec file details.
3670         (Directory Options): Adjust similarly.
3672 2016-01-12  Jeff Law  <law@redhat.com>
3674         * tree-ssa-threadupdate.c: Various whitespace and typo fixes.
3676 2016-01-12  Olivier Hainque  <hainque@adacore.com>
3678         * gcc.c (spec_undefvar_allowed): New global.
3679         (process_command): Set to true when running for --version or --help,
3680         alone or together.
3681         (getenv_spec_function): When the variable is not defined, use the
3682         variable name as the variable value if we're allowed not to issue
3683         a fatal error.
3685 2016-01-12  Bin Cheng  <bin.cheng@arm.com>
3687         PR tree-optimization/68911
3688         * tree-vrp.c (adjust_range_with_scev): Check overflow in range
3689         information computed for expression "init + nit * step".
3691 2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>
3693         * doc/invoke.texi (Invoking GCC): Copy-edit.  Incorporate information
3694         about name of GCC executable.  Remove deleted node from menu.
3695         (Directory Options) <-B>: Remove cross-reference to deleted node.
3696         (Target Options): Delete section.
3698 2016-01-12  Christian Bruel  <christian.bruel@st.com>
3700         PR target/69180
3701         * config/arm/arm-c.c (arm_pragma_target_parse): Set NODE_CONDITIONAL
3702         for __ARM_NEON_FP, __ARM_FP, _ARM_FEATURE_LDREX.
3704 2016-01-12  Jakub Jelinek  <jakub@redhat.com>
3706         PR target/69198
3707         * config/i386/i386.c (ix86_expand_special_args_builtin): Ensure
3708         aligned_mem is properly set for AVX512-VL floating point masked
3709         stores.
3711         PR target/69175
3712         * ifcvt.c (cond_exec_process_if_block): When removing the last
3713         insn from then_bb, remove also any possible barriers that follow it.
3715 2016-01-12  H.J. Lu  <hongjiu.lu@intel.com>
3717         PR target/68456
3718         PR target/69226
3719         * config/i386/iamcu.h (SIZE_TYPE): New macro.
3720         (PTRDIFF_TYPE): Likewise.
3721         (WCHAR_TYPE): Likewise.
3722         (WCHAR_TYPE_SIZE): Likewise.
3723         (STDINT_LONG32): Likewise.
3725 2016-01-12  Richard Biener  <rguenther@suse.de>
3727         PR tree-optimization/69053
3728         * tree-vect-loop.c (get_initial_def_for_reduction): Properly
3729         convert initial value for cond reductions.
3731 2016-01-12  Richard Biener  <rguenther@suse.de>
3733         PR tree-optimization/69007
3734         * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Move
3735         widen_sum after dot_prod and sad.
3737 2016-01-12  Richard Biener  <rguenther@suse.de>
3739         PR tree-optimization/69168
3740         * tree-vect-loop.c (vect_analyze_loop_2): Reset both main and
3741         pattern stmt SLP type.
3742         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Patterns may
3743         end up unused so cope with that case.
3745 2016-01-12  Richard Biener  <rguenther@suse.de>
3747         PR tree-optimization/69157
3748         * tree-vect-stmts.c (vectorizable_mask_load_store): Check
3749         stmts def type only during analyze phase.
3750         (vectorizable_call): Likewise.
3751         (vectorizable_simd_clone_call): Likewise.
3752         (vectorizable_conversion): Likewise.
3753         (vectorizable_assignment): Likewise.
3754         (vectorizable_shift): Likewise.
3755         (vectorizable_operation): Likewise.
3756         (vectorizable_store): Likewise.
3757         (vectorizable_load): Likewise.
3759 2016-01-12  Richard Biener  <rguenther@suse.de>
3761         PR tree-optimization/69174
3762         * tree-vect-stmts.c (vect_mark_relevant): Remove excessive vertical
3763         space.
3764         (vectorizable_load): Properly compute the number of loads needed
3765         for permuted strided SLP loads and do not spuriously assign
3766         to SLP_TREE_VEC_STMTS.
3768 2016-01-12  Andris Pavenis  <andris.pavenis@iki.fi>
3770         * config/i386/djgpp.h (PREFERRED_DEBUGGING_TYPE): Define to DWARF2
3771         (TARGET_ASM_OUTPUT_IDENT): Define to default_asm_output_ident_directive
3772         (MD_EXEC_PREFIX): Remove.
3773         (MD_STARTFILE_PREFIX) Removee.
3774         (FILE_NAME_ABSOLUTE_P): Remove.
3775         (CPP_SPEC): Do not read macros from sys/version.h.
3776         (LINK_COMMAND_SPEC): Remove.
3777         (LOCAL_INCLUDE_DIR): Remove.
3778         (TARGET_ASM_NAMED_SECTION): Define to i386_djgpp_asm_named_section
3779         (TARGET_OS_CPP_BUILTINS): Add DJGPP (non ISO only), __DJGPP, __DJGPP__, unix.
3780         (POST_LINK_SPEC): Define to invoke stubify after linker
3781         (LIBSTDCXX): Remove define
3782         (DBX_REGISTER_NUMBER): Define to svr4_dbx_register_map.
3783         (DEFAULT_PCC_STRUCT_RETURN): Define to 1.
3784         (SUBTARGET_OVERRIDE_OPTIONS): Remove warning about -mbnu2210.
3785         (SUBTARGET_OVERRIDE_OPTIONS): Ignore -fPIC and generate message.
3786         (SUBTARGET_OVERRIDE_OPTIONS): Default to DWARF2 debugging info.
3787         (IX86_MAYBE_NO_LIBGCC_TFMODE): Remove.
3788         (i386_djgpp_asm_named_section): Add propotype of new procedure
3790         * config/i386/xm-djgpp.h (NATIVE_SYSTEM_HEADER_DIR): Define.
3791         (MD_EXEC_PREFIX): Define (moved from config/i386/djgpp.h).
3792         (STANDARD_STARTFILE_PREFIX_1): Define (moved from MD_STARTFILE_PREFIX
3793         in config/i386/djgpp.h).
3794         (STANDARD_STARTFILE_PREFIX_2): Define identical to
3795         STANDARD_STARTFILE_PREFIX_1.
3796         (LOCAL_INCLUDE_DIR): Define (moved from config/i386/djgpp.h).
3797         (GCC_DRIVER_HOST_INITIALIZATION): Fix reporting fatal
3798         installation errors.
3799         (MAX_OFILE_ALIGNMENT): Define to 128.
3800         (HAVE_FTW_H): Undefine as DJGPP do not have nftw, but have ftw.h.
3802         * config/i386/djgpp.c: New file. Add implementation of
3803         i386_djgpp_asm_named_section.
3805         * config/i386/djgpp.opt: Remove obsolete option -mbnu210.
3807         * config/i386/t-djgpp: New file. Add djgpp.o to EXTRA_OBJS.
3808         Add rule for building djgpp.o.
3810 2016-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3812         * config/rs6000/rs6000.c (v2df_reduction_p): New function.
3813         (rtx_is_swappable_p): Reductions are swappable.
3814         (insn_is_swappable_p): V2DF reductions are swappable.
3816 2016-01-11  John David Anglin  <danglin@gcc.gnu.org>
3818         * config/pa/pa.c (pa_emit_move_sequence): Handle floating point
3819         reloads for other unsupported memory operands.
3821 2016-01-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
3822             Jim Wilson  <jim.wilson@linaro.org>
3824         PR target/69194
3825         * config/arm/arm-builtins.c (arm_expand_neon_args): Call
3826         copy_to_mode_reg instead of force_reg.
3828 2016-01-11  H.J. Lu  <hongjiu.lu@intel.com>
3830         PR target/69225
3831         * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Set to 2 only if
3832         TARGET_80387 is true.
3834 2016-01-11  Jakub Jelinek  <jakub@redhat.com>
3836         PR target/69071
3837         * lra-eliminations.c (move_plus_up): Only move plus up
3838         if subreg of the constant can be simplified into constant
3839         and use the simplified subreg of the constant instead of
3840         the original constant.
3842         * fold-const.c (fold_convertible_p): Don't return true
3843         for conversion of VECTOR_TYPE to same sized integral type.
3844         (fold_convert_loc): Fix up formatting.  Fold conversion of
3845         VECTOR_TYPE to same sized integral type using VIEW_CONVERT_EXPR
3846         instead of NOP_EXPR.
3848         PR tree-optimization/69214
3849         * tree-vrp.c (simplify_cond_using_ranges): Don't propagate
3850         innerop into a comparison if SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
3851         Formatting fix.
3853         PR tree-optimization/69207
3854         * tree-vect-slp.c (vect_get_constant_vectors): For
3855         VECTOR_BOOLEAN_TYPE_P, assert op has integral type instead of
3856         fold_convertible_p to vector_type's element type, and always
3857         use VCE for non-VECTOR_BOOLEAN_TYPE_P.
3859 2016-01-11  Richard Biener  <rguenther@suse.de>
3861         PR tree-optimization/69173
3862         * tree-vect-loop.c (vect_fixup_scalar_cycles_with_patterns): Only
3863         fixup the cycle if all stmts are in a pattern.
3865 2016-01-11  Uros Bizjak  <ubizjak@gmail.com>
3867         PR middle-end/68999
3868         * alias.c (base_alias_check): Move check for addresses with
3869         alignment ANDs before the call for compare_base_decls.
3870         (memrefs_conflict_p): Return -1 for different decls
3871         that went through alignment adjustments.
3873 2016-01-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3875         PR rtl-optimization/68796
3876         * config/aarch64/aarch64.md (*and<mode>_compare0): New pattern.
3877         * config/aarch64/aarch64.c (aarch64_select_cc_mode): Handle HImode
3878         and QImode comparisons against zero with CC_NZmode.
3879         * config/aarch64/iterators.md (short_mask): New mode_attr.
3881 2016-01-11  H.J. Lu  <hongjiu.lu@intel.com>
3883         * config/i386/sse.md (<avx512>_load<mode>_mask): Remove snprintf.
3884         (<avx512>_store<mode>_mask): Likewise.
3886 2016-01-11  Bernd Schmidt  <bschmidt@redhat.com>
3887             Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3889         PR rtl-optimization/68841
3890         * ifcvt.c (struct noce_if_info): Add orig_x field.
3891         (bbs_ok_for_cmove_arith): Add to_rename parameter.
3892         Don't record conflicts on to_rename if it's present.
3893         Allow memory destinations in sets.
3894         (noce_try_cmove_arith): Call bbs_ok_for_cmove_arith even on simple
3895         blocks, passing orig_x to the checks.
3896         (noce_process_if_block): Set if_info->orig_x appropriately.
3898 2016-01-11  Tom de Vries  <tom@codesourcery.com>
3900         PR tree-optimization/69069
3901         * tree-parloops.c (create_parallel_loop): Add missing phi args.
3903 2016-01-11  Yuri Rumyantsev  <ysrumyan@gmail.com>
3905         PR rtl-optimization/68920
3906         * config/i386/i386.c (ix86_option_override_internal): Restrict number
3907         of conditional moves for  RTL if-conversion to 1 for
3908         TARGET_ONE_IF_CONV_INSN.
3909         * config/i386/i386.h (TARGET_ONE_IF_CONV_INSN): New macros.
3910         * config/i386/x86-tune.def (X86_TUNE_ONE_IF_CONV_INSN): New macros.
3911         * params.def (PARAM_MAX_RTL_IF_CONVERSION_INSNS) : Introduce new
3912         parameter to restirct number of conditional moves for
3913         RTL if-conversion.
3914         * doc/invoke.texi (max-rtl-if-conversion-insns): Document it.
3915         * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Limit number of
3916         conditionl moves.
3918 2016-01-11  Alexandre Oliva  <aoliva@redhat.com>
3920         PR bootstrap/69123
3921         * var-tracking.c (drop_overlapping_mem_locs): Operate on all
3922         onepart vars.  Fix typo in comment.  Fix reversed condition in
3923         unshare test.
3924         (dataflow_set_remove_mem_locs): Operate on all onepart vars.
3926         PR bootstrap/69123
3927         * var-tracking.c (dump_onepart_variable_differences): New.
3928         (dataflow_set_different): If a detailed dump is requested,
3929         delay early returns and dump differences between onepart
3930         variables present before and after, and added variables.
3932 2016-01-11  Ilya Enkovich  <enkovich.gnu@gmail.com>
3934         PR target/69010
3935         * expr.c (expand_expr_real_1): For boolean vector constants
3936         with a scalar mode use const_scalar_mask_from_tree.
3937         (const_scalar_mask_from_tree): New.
3938         * optabs.c (expand_vec_cond_mask_expr): Use mask mode
3939         assigned to a mask type to handle constants.
3941 2016-01-11  Martin Jambor  <mjambor@suse.cz>
3943         PR ipa/69044
3944         * ipa-cp.c (estimate_local_effects): Do not clone for removal of
3945         useless parameters if we cannot change function signature.
3947 2016-01-11  Martin Jambor  <mjambor@suse.cz>
3949         PR ipa/66616
3950         * cgraphclones.c (duplicate_thunk_for_node): Copy can_change_signature
3951         flag.
3953 2016-01-11  Tom de Vries  <tom@codesourcery.com>
3955         PR tree-optimization/69109
3956         * tree-parloops.c (try_transform_to_exit_first_loop_alt): Don't allow
3957         latch with phi.
3959 2016-01-11  Tom de Vries  <tom@codesourcery.com>
3961         PR tree-optimization/69108
3962         * tree-parloops.c (gather_scalar_reductions): Handle case that outer phi
3963         res is not used in a phi.
3965 2016-01-11  Yury Gribov  <y.gribov@samsung.com>
3967         PR 67425
3968         * common.opt (frandom-seed): Fix parameter name.
3969         * doc/invoke.texi (frandom-seed): Ditto and describe parameter.
3971 2016-01-11  Tom de Vries  <tom@codesourcery.com>
3973         PR tree-optimization/69058
3974         * tree-parloops.c (pass_parallelize_loops::execute): Return 0 if libgomp
3975         not supported.
3977 2016-01-11  Andrew Burgess  <andrew.burgess@embecosm.com>
3979         * config/arc/arc.opt (mdiv-rem): Add period to the end.
3980         (mcode-density): Likewise.
3982 2016-01-10  Tom de Vries  <tom@codesourcery.com>
3984         PR tree-optimization/69062
3985         * tree-parloops.c (loop_has_phi_with_address_arg): New function.
3986         (parallelize_loops): Don't paralelize loop that has phi with address
3987         arg.
3989 2016-01-10  Tom de Vries  <tom@codesourcery.com>
3991         PR tree-optimization/69039
3992         * tree-parloops.c (try_create_reduction_list): Only allow single exit
3993         phi for reduction.
3995 2016-01-09  John David Anglin  <danglin@gcc.gnu.org>
3997         PR middle-end/68743
3998         * match.pd: Require target has function_c99_misc before doing
3999         truncl(extend(x)) and trunc(extend(x)) -> extend(truncf(x)), etc.
4001 2016-01-09  Gerald Pfeifer  <gerald@pfeifer.com>
4003         * configure.ac (isl_options_set_schedule_serialize_sccs): Also
4004         use GMPINC.
4005         * configure: Regenerate.
4007 2016-01-09  Jakub Jelinek  <jakub@redhat.com>
4009         PR middle-end/50865
4010         PR tree-optimization/69097
4011         * fold-const.h (expr_not_equal_to): New prototype.
4012         * fold-const.c: Include stringpool.h and tree-ssanames.h.
4013         (expr_not_equal_to): New function.
4014         * match.pd (X % -Y is the same as X % Y): Don't optimize
4015         unless X is known not to be equal to minimum or Y is known
4016         not to be equal to -1.
4017         * tree-vrp.c (simplify_div_or_mod_using_ranges): Add GSI argument.
4018         fold TRUNC_MOD_EXPR if the second argument is not a power of two.
4019         (simplify_stmt_using_ranges): Adjust caller.
4020         (vrp_finalize): Call set_value_range on SSA_NAMEs before calling
4021         substitute_and_fold.
4023 2016-01-09  Jan Hubicka  <hubicka@ucw.cz>
4025         * ipa-icf.c (sem_item_optimizer::merge_classes): Do not ICE on VAR_DECL
4026         w/o DECL_NAME.
4028 2016-01-08  Jakub Jelinek  <jakub@redhat.com>
4030         PR tree-optimization/69167
4031         * gimple-fold.c (replace_stmt_with_simplification): Also punt if
4032         new SSA_NAME_OCCURS_IN_ABNORMAL_PHI SSA_NAMEs appear in operands of
4033         ops[0] comparison.
4034         * gimple-match-head.c (maybe_push_res_to_seq): Likewise.
4036 2016-01-08  Alan Lawrence  <alan.lawrence@arm.com>
4037             Richard Biener  <rguenther@suse.de>
4039         PR tree-optimization/68707
4040         * tree-vect-slp.c (vect_analyze_slp_instance): Cancel permuted SLP
4041         instances that can be handled via vect_load_lanes.
4043 2016-01-08  Uros Bizjak  <ubizjak@gmail.com>
4045         * symtab.c (symtab_node::equal_address_to): Return -1 instead of 2
4046         if we can't determine address equivalence.
4047         * alias.c (compare_base_decl): Update for changed return value of
4048         symtab_node::equal_address_to.
4050 2016-01-08  Jason Merrill  <jason@redhat.com>
4052         PR c++/68983
4053         PR c++/67557
4054         * function.c (assign_temp): Guard against TREE_ADDRESSABLE types here.
4055         * expr.c (store_field): Not here.
4056         * tree-cfgcleanup.c (fixup_noreturn_call): Don't clear LHS of a
4057         call with TREE_ADDRESSABLE type.
4058         * tree-cfg.c (verify_gimple_call): Adjust.
4060 2016-01-08  Olivier Hainque  <hainque@adacore.com>
4062         * config/vxworks.h (VXWORKS_LIBGCC_SPEC): Don't link shared RTPs with
4063         libc_internal.
4065 2016-01-08  Alan Lawrence  <alan.lawrence@arm.com>
4067         * gcc.target/rs6000/paired.md (reduc_smax_v2sf): Rename to...
4068         (reduc_smax_scal_v2sf): ...here, make result SFmode, extract element.
4069         (reduc_smin_v2sf): Rename to...
4070         (reduc_smin_scal_v2sf): ...here, make result SFmode, extract element.
4071         (reduc_splus_v2sf): Rename to...
4072         (reduc_plus_scal_v2sf): ...here, make result SFmode, extract element.
4074 2016-01-08  Jakub Jelinek  <jakub@redhat.com>
4076         PR tree-optimization/69162
4077         * gimplify.c (gimplify_va_arg_expr): Encode original type of
4078         valist argument in another argument.
4079         (gimplify_modify_expr): Adjust for the above change.  Cleanup.
4080         * tree-stdarg.c (expand_ifn_va_arg_1): Use new 3rd argument
4081         to determine the va_list type, build a MEM_REF instead of
4082         build_fold_indirect_ref.
4084         PR tree-optimization/69172
4085         * gimple-fold.c (gimple_fold_builtin_memory_chk): Pass type to
4086         gimple_build.
4088 2016-01-08  Thomas Preud'homme  <thomas.preudhomme@arm.com>
4090         PR tree-optimization/67781
4091         * tree-ssa-math-opts.c (find_bswap_or_nop): Zero out bytes in cmpxchg
4092         and cmpnop in two steps: first the ones not accessed in original
4093         gimple expression in a endian independent way and then the ones not
4094         accessed in the final result in an endian-specific way.
4096 2016-01-08  Jakub Jelinek  <jakub@redhat.com>
4098         PR tree-optimization/69083
4099         * tree-vect-slp.c (vect_get_constant_vectors): For
4100         VECTOR_BOOLEAN_TYPE_P assert op is fold_convertible_p to vector_type's
4101         element type.  If op is fold_convertible_p to vector_type's element
4102         type, use NOP_EXPR instead of VCE.
4104 2016-01-08  Segher Boessenkool  <segher@kernel.crashing.org>
4106         PR rtl-optimization/67778
4107         PR rtl-optimization/68634
4108         PR rtl-optimization/68909
4109         * shrink-wrap.c (try_shrink_wrapping): Add comment.  Don't pop
4110         block from the stack until done with it.  Remove a superfluous
4111         bitmap set.  Remove a superfluous bitmap test.
4113 2016-01-07  Martin Sebor  <msebor@redhat.com>
4115         PR c/68966
4116         * doc/extend.texi (__atomic Builtins, __sync Builtins): Document
4117         constraint on the type of arguments.
4119 2016-01-07  Andreas Tobler  <andreast@gcc.gnu.org>
4121         * config/arm/freebsd.h: Rename SUBTARGET_OVERRIDE_OPTIONS to
4122         SUBTARGET_OVERRIDE_INTERNAL_OPTIONS. Adjust to check
4123         unaligned_access on the gcc_options set.
4124         * config/arm/arm.c (arm_option_override_internal): Use
4125         SUBTARGET_OVERRIDE_INTERNAL_OPTIONS.
4127 2016-01-07  Uros Bizjak  <ubizjak@gmail.com>
4129         PR target/69140
4130         * config/i386/i386.c (ix86_frame_pointer_required): Enable
4131         frame pointer for TARGET_64BIT_MS_ABI when stack is misaligned.
4133 2016-01-07  Uros Bizjak  <ubizjak@gmail.com>
4135         Revert
4136         2016-01-06  Uros Bizjak  <ubizjak@gmail.com>
4138         PR target/69140
4139         * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
4140         depending on frame_pointer_needed before remaining integer and SSE
4141         registers are saved.
4143 2016-01-07  Sandra Loosemore  <sandra@codesourcery.com>
4145         PR 1078
4146         * doc/extend.texi (Nvidia PDX Function Attributes): New section.
4148 2016-01-07  H.J. Lu  <hongjiu.lu@intel.com>
4150         PR target/69171
4151         * config/i386/sse.md (<sse>_sqrt<mode>2<mask_name><round_name>):
4152         Use the "xBm" constraint.
4153         (float<sseintvecmodelower><mode>2<mask_name><round_name):
4154         Likewise.
4155         (sse_cvtsi2ss<round_name>): Use round_nimm_scalar_predicate.
4156         (sse_cvtsi2ssq<round_name>): Likewise.
4157         (sse_cvtss2si<round_name>): Likewise.
4158         (sse_cvtss2siq<round_name>): Likewise.
4159         (sse2_cvtsi2sdq<round_name>): Likewise.
4160         (sse2_cvtsd2si<round_name>): Likewise.
4161         (sse2_cvtsd2siq<round_name>): Likewise.
4162         * config/i386/subst.md (round_nimm_scalar_predicate): New
4163         predicate.
4165 2015-12-15  Bernd Schmidt  <bschmidt@redhat.com>
4167         PR middle-end/67639
4168         * varasm.c (make_decl_rtl): Mark invalid register vars as
4169         DECL_EXTERNAL.
4171         PR rtl-optimization/66206
4172         * bt-load.c (find_btr_use): Change first arg to be a pointer to an rtx.
4173         All callers changed.
4175 2016-01-07  Jakub Jelinek  <jakub@redhat.com>
4177         PR tree-optimization/69141
4178         * tree-ssa-pre.c: Include langhooks.h.
4179         (eliminate_dom_walker::before_dom_children): Use
4180         lang_hooks.decl_printable_name instead of
4181         cgraph_node::get ()->name ().
4183         PR middle-end/68960
4184         * gimple-expr.c (copy_var_decl): If var has DECL_USER_ALIGN set, copy
4185         it and DECL_ALIGN too.
4187 2016-01-06  Robert Suchanek  <robert.suchanek@imgtec.com>
4189         * config/mips/mips-ftypes.def: Sort to lexicographical order.
4191 2016-01-06  Uros Bizjak  <ubizjak@gmail.com>
4193         PR target/69140
4194         * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
4195         depending on frame_pointer_needed before remaining integer and SSE
4196         registers are saved.
4198 2015-01-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4200         * config/rs6000/vsx.md (*p9_vecload_<mode>): Replace VSX_M
4201         mode iterator with VSX_M2.
4202         (*p9_vecstore_<mode>): Likewise.
4203         (*vsx_le_permute_<mode>): Restrict to !TARGET_P9_VECTOR.
4204         (*vsx_le_perm_load_<mode> for VSX_LE_128): Likewise.
4205         (*vsx_le_perm_store_<mode> for VSX_LE_128): Likewise.
4206         (define_split for VSX_LE128 stores): Likewise.
4207         (define_peephole2 for TImode LE swaps): Likewise.
4208         (define_split for VSX_LE128 post-reload stores): Likewise.
4210 2016-01-06  Marek Polacek  <polacek@redhat.com>
4212         PR sanitizer/69099
4213         * convert.c (convert_to_integer_1): Adjust call to
4214         ubsan_instrument_float_cast.  Use NULL_TREE instead of NULL.
4215         * ubsan.c (ubsan_instrument_float_cast): Drop the ARG parameter.  Use
4216         EXPR instead of ARG.
4217         * ubsan.h (ubsan_instrument_float_cast): Adjust declaration.
4219 2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>
4221         PR 1078
4222         * doc/extend.texi (RL78 Variable Attributes): New section.
4224 2016-01-05  Marek Polacek  <polacek@redhat.com>
4226         PR c/69104
4227         * builtins.c (get_memmodel): Use expansion point location rather than
4228         the input location.  Call warning_at rather than warning.
4229         (expand_builtin_atomic_compare_exchange): Likewise.
4230         (expand_builtin_atomic_load): Likewise.
4231         (expand_builtin_atomic_store): Likewise.
4232         (expand_builtin_atomic_clear): Likewise.
4234 2016-01-05  H.J. Lu  <hongjiu.lu@intel.com>
4236         PR target/68991
4237         * config/i386/i386.c (ix86_expand_vector_logical_operator):
4238         Replace nonimmediate_operand with vector_operand.
4239         * config/i386/predicates.md (vector_operand): New predicate.
4240         (general_vector_operand): Replace nonimmediate_operand with
4241         vector_operand.
4242         * config/i386/sse.md: Replace nonimmediate_operand with
4243         vector_operand and m constraint with Bm constraint on SSE
4244         patterns with 16-byte memory operand.
4245         * config/i386/subst.md (round_nimm_predicate): Replace
4246         nonimmediate_operand with vector_operand.
4247         (round_saeonly_nimm_predicate): Likewise.
4248         (round_saeonly_nimm_scalar_predicate): New.
4250 2016-01-05  H.J. Lu  <hongjiu.lu@intel.com>
4252         PR target/68991
4253         * config/i386/constraints.md (Bm): New constraint.
4254         * config/i386/predicates.md (vector_memory_operand): New
4255         predicate.
4256         * config/i386/sse.md: Replace xm with xBm in plusminus and
4257         any_logic patterns.
4259 2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>
4261         PR 1078
4262         * doc/extend.texi (V850 Function Attributes): New section.
4263         (V850 Variable Attributes): New section.
4265 2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>
4267         PR 1078
4268         * doc/extend.texi (MicroBlaze Function Attributes): Document
4269         interrupt_handler and fast_interrupt attributes.
4271 2016-01-05  Sergei Trofimovich  <siarheit@google.com>
4273         PR other/60465
4274         * config/ia64/ia64.c (ia64_expand_load_address): Use gprel64
4275         for local symbolic operands.
4276         * config/ia64/predicates.md (local_symbolic_operand64): New
4277         predicate.
4279 2016-01-05  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4281         PR rtl-optimization/68651
4282         * combine.c (combine_simplify_rtx): Canonicalize x + x into
4283         x << 1.
4285 2016-01-05  Nathan Sidwell  <nathan@acm.org>
4287         * alias.c (compare_base_decls): Use symtab_node::get.
4289 2016-01-05  Nick Clifton  <nickc@redhat.com>
4291         PR target/68770
4292         * ira-costs.c (copy_cost): Initialise the t_icode field of the
4293         secondary_reload_info structure.
4295         PR target/66655
4296         * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Define to use weak
4297         decls if weak support is available.
4299 2016-01-04  Martin Sebor  <msebor@redhat.com>
4301         * doc/invoke.texi (Warning Options): Document -Winvalid-memory-model.
4303 2016-01-04  Michael Meissner  <meissner@linux.vnet.ibm.com>
4305         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Add
4306         OPTION_MASK_P9_DFORM.
4308         * config/rs6000/constraints.md (wo constraint): New constraint for
4309         ISA 3.0 (power9).
4311         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Add support
4312         for wo constraint.
4313         (rs6000_init_hard_regno_mode_ok): Likewise.
4315         * config/rs6000/rs6000.h (r6000_reg_class_enum): Add support for
4316         wo constraint.
4318         * config/rs6000/altivec.md (altivec_vperm_<mode>): Clean up vperm
4319         expanders not to have constraints.  Add support for ISA 3.0 xxperm
4320         instruction.  Add support for fusing xxlor with xxperm.
4321         (altivec_vperm_<mode>_internal): Likewise.
4322         (altivec_vperm_v8hiv16qi): Likewise.
4323         (altivec_vperm_<mode>v16q): Likewise.
4324         (altivec_vperm_<mode>_uns): Likewise.
4325         (vperm_v8hiv4si): Likewise.
4326         (vperm_v16qiv8hi): Likewise.
4328         * doc/md.texi (RS/6000 constraints): Document wo constraint.
4330 2016-01-04  Jakub Jelinek  <jakub@redhat.com>
4332         Update copyright years.
4334         * gcc.c (process_command): Update copyright notice dates.
4335         * gcov-dump.c (print_version): Ditto.
4336         * gcov.c (print_version): Ditto.
4337         * gcov-tool.c (print_version): Ditto.
4338         * gengtype.c (create_file): Ditto.
4339         * doc/cpp.texi: Bump @copying's copyright year.
4340         * doc/cppinternals.texi: Ditto.
4341         * doc/gcc.texi: Ditto.
4342         * doc/gccint.texi: Ditto.
4343         * doc/gcov.texi: Ditto.
4344         * doc/install.texi: Ditto.
4345         * doc/invoke.texi: Ditto.
4347 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
4349         * config/arm/arm.c (aapcs_vfp_allocate_return_reg): Treat all integer
4350         modes larger than TImode as TImode if NEON is not enabled.
4352 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
4354         PR target/69100
4355         * config/sparc/sparc.h (FUNCTION_ARG_REGNO_P): Return true in 64-bit
4356         mode for %f0-%f31 only if TARGET_FPU.
4358 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
4360         PR target/69072
4361         * config/sparc/sparc.c (scan_record_type): Take into account subfields
4362         to compute the PACKED_P predicate.
4363         (function_arg_record_value): Minor tweaks.
4365 2016-01-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
4367         * doc/install.texi (--with-multilib-list): Describe the meaning of the
4368         option for arm*-*-* targets.
4370 2016-01-03  Sandra Loosemore  <sandra@codesourcery.com>
4372         * doc/extend.texi (Common Function Attributes): Move docs for
4373         MSP430-specific attributes to....
4374         (MSP430 Function Attributes): ...here.  Delete the redundant
4375         entries and copy-edit the remaining text.
4376         (MSP430 Variable Attributes): Use uniform format for index
4377         entries and add a cross-reference to the corresponding function
4378         attribute docs.
4380 2016-01-03  Vladimír Čunát  <vcunat@gmail.com>
4382         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix
4383         -finite-math typo.
4384         (x86 Options): Likewise.
4386 2016-01-01  Sandra Loosemore  <sandra@codesourcery.com>
4388         PR 1078
4390         * extend.texi (Common Function Attributes) <no_stack_limit>: New.
4391         * invoke.texi (Code Gen Options) <-fno-stack-limit>: Add pointer
4392         to corresponding attribute.
4394 2016-01-01  Sandra Loosemore  <sandra@codesourcery.com>
4396         * doc/extend.texi (Common Function Attributes) <noplt>: Move
4397         to correct alphabetization of table.  Copy-edit and correct
4398         markup.
4399         <stack_protect>: Likewise.
4400         <target_clones>: Likewise.
4401         <simd>: Likewise.
4402         * doc/invoke.texi (Optimize Options) <-fstack-protector-explicit>:
4403         Correct punctuation.
4404         (Code Gen Options) <-fno-plt>: Copy-edit.
4406 2016-01-01  Bernd Edlinger  <bernd.edlinger@hotmail.de>
4408         PR target/68917
4409         * config/tilegx/tilegx.md (clzsi2): Don't create DI subregs of
4410         SI values.  Explicitly convert SI to DI and vice-versa.
4412 2016-01-01  Jakub Jelinek  <jakub@redhat.com>
4414         PR tree-optimization/69070
4415         * tree-ssa-math-opts.c (gimple_expand_builtin_pow): Only test
4416         REAL_VALUE_ISSIGNALING_NAN on arg0 if arg0 is a REAL_CST.
4418         PR sanitizer/69055
4419         * ubsan.c (ubsan_instrument_float_cast): Call
4420         initialize_sanitizer_builtins.
4422         PR target/69015
4423         * ifcvt.c (find_cond_trap): Give up if returnjump_p (jump).
4425 Copyright (C) 2016 Free Software Foundation, Inc.
4427 Copying and distribution of this file, with or without modification,
4428 are permitted in any medium without royalty provided the copyright
4429 notice and this notice are preserved.