Update ChangeLog and version files for release
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1 2016-08-22  Release Manager
3         * GCC 6.2.0 released.
5 2016-08-18  Chung-Lin Tang  <cltang@codesourcery.com>
7         Backport from mainline
8         2016-08-18  Chung-Lin Tang  <cltang@codesourcery.com>
10         PR middle-end/70895
11         * gimplify.c (omp_add_variable): Adjust/add variable mapping on
12         enclosing parallel construct for reduction variables on OpenACC loop
13         directives.
15 2016-08-18  Oleg Endo  <olegendo@gcc.gnu.org>
17         Backport from mainline
18         2016-06-17  DJ Delorie  <dj@redhat.com>
20         PR target/71338
21         * config/rl78/rl78-expand.c (umulqihi3): Enable for G10.
22         * config/rl78/rl78-virtual.c (umulhi3_shift_virt): Likewise.
23         (umulqihi3_virt): Likewise.
24         * config/rl78/rl78-real.c (umulhi3_shift_real): Likewise.
25         (umulqihi3_real): Likewise.
27 2016-08-16  Eric Botcazou  <ebotcazou@adacore.com>
29         * doc/install.texi (*-*-solaris2*): Adjust latest change.
31 2016-08-15  Martin Liska  <mliska@suse.cz>
33         Backported from mainline
34         2016-08-15  Martin Liska  <mliska@suse.cz>
36         PR driver/72765
37         * gcc.c (do_spec_1): Call save_string with the right size.
39 2016-08-15  Jakub Jelinek  <jakub@redhat.com>
41         PR debug/71906
42         * dwarf2out.c (string_types): New variable.
43         (gen_array_type_die): Change early_dwarf handling of
44         DW_AT_string_length, create DW_OP_call4 referencing the
45         length var temporarily.  Handle parameters that are pointers
46         to string length.
47         (adjust_string_types): New function.
48         (gen_subprogram_die): Temporarily set string_types to local var,
49         call adjust_string_types if needed.
50         (non_dwarf_expression, copy_deref_exprloc, optimize_string_length):
51         New functions.
52         (resolve_addr): Adjust DW_AT_string_length if it is DW_OP_call4.
54 2016-08-15  Richard Biener  <rguenther@suse.de>
56         PR tree-optimization/73434
57         * tree-ssa-sccvn.c (vn_reference_maybe_forwprop_address): Preserve
58         TBAA info on the base when forwarding a non-invariant address.
60 2016-08-15  Eric Botcazou  <ebotcazou@adacore.com>
62         * doc/install.texi (*-*-solaris2*): Fix version number and document
63         requirement on GNU make for building libjava with the Solaris linker.
65 2016-08-15  Martin Liska  <mliska@suse.cz>
66             Jakub Jelinek  <jakub@redhat.com>
68         PR tree-optimization/72824
69         * tree-loop-distribution.c (const_with_all_bytes_same)
70         <case VECTOR_CST>: Fix a typo.
72 2016-08-14  Uros Bizjak  <ubizjak@gmail.com>
74         Backport from mainline
75         2016-08-14  Uros Bizjak  <ubizjak@gmail.com>
77         PR target/76342
78         * config/i386/avx512fintrin.h (_mm512_undefined_epi32):
79         Renamed from _mm512_undefined_si512.
80         (_mm_undefined_si512): New definition.
82         Backport from mainline:
83         2016-08-09  David Wohlferd  <dw@LimeGreenSocks.com>
85         * config/i3836/avx512fintrin.h (_mm512_cvtsepi64_epi32): Remove
86         unused variable __O.
88         Backport from mainline:
89         2016-08-09  Uros Bizjak  <ubizjak@gmail.com>
91         PR target/72843
92         * config/i386/i386.md (*movtf_internal): Use
93         lra_in_progress || reload_completed instead of !can_create_pseudo_p
94         in the insn constraint.
95         (*movxf_internal): Ditto.
96         (*movdf_internal): Ditto.
97         (*movsf_internal): Ditto.
99 2016-08-12  Jakub Jelinek  <jakub@redhat.com>
101         PR c/71512
102         * ubsan.c (instrument_si_overflow): Pass true instead of false
103         to gsi_replace.
104         (pass_ubsan::execute): Call gimple_purge_dead_eh_edges at the end
105         of bbs.  Return TODO_cleanup_cfg if any returned true.
107 2016-08-12  Bernd Edlinger  <bernd.edlinger@hotmail.de>
109         Backport from mainline
110         2016-08-11  Bernd Edlinger  <bernd.edlinger@hotmail.de>
112         PR tree-optimization/71083
113         * tree-predcom.c (ref_at_iteration): Correctly align the
114         reference type.
116 2016-08-12  James Greenhalgh  <james.greenhalgh@arm.com
118         Backport from mainline
119         2016-08-05  James Greenhalgh  <james.greenhalgh@arm.com>
121         PR Target/72819
122         * config/aarch64/aarch64.h (aarch64_fp16_type_node): Declare.
123         (aarch64_fp16_ptr_type_node): Likewise.
124         * config/aarch64/aarch64-simd-builtins.c
125         (aarch64_fp16_ptr_type_node): Define.
126         (aarch64_init_fp16_types): New, refactored out of...
127         (aarch64_init_builtins): ...here, update to call
128         aarch64_init_fp16_types.
129         * config/aarch64/aarch64.c (aarch64_gimplify_va_arg_expr): Handle
130         HFmode.
131         (aapcs_vfp_sub_candidate): Likewise.
133 2016-08-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
135         Backport from mainline
136         2016-08-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
138         * config/s390/s390-builtin-types.def: Add INT128 types.
139         * config/s390/s390-builtins.def: Add INT128 variants for the add
140         sub low-level builtins dealing with TImode.
141         * config/s390/s390.c (s390_expand_builtin): Allow mode conversions
142         via subreg when expanding a builtin.
143         * config/s390/s390.md: Remove UNSPEC_VEC_ADDC_U128,
144         UNSPEC_VEC_SUB_U128, and UNSPEC_VEC_SUBC_U128 constants.
145         Fix comment.
146         * config/s390/vecintrin.h: Adjust builtin names accordingly.
147         * config/s390/vx-builtins.md ("vec_add_u128"): Remove expander.
148         ("vec_addc<mode>", "vec_addc_u128"): Merge to
149         "vacc<bhfgq>_<mode>".
150         ("vec_adde_u128"): Rename to "vacq". Change mode to TImode.
151         ("vec_addec_u128"): Rename to "vacccq". Change mode to TImode.
152         ("vec_subc<mode>", "vec_subc_u128"): Merge to
153         "vscbi<bhfgq>_<mode>".
154         ("vec_sube_u128"): Rename to "vsbiq". Change mode to TImode.
155         ("vec_subec_u128"): Rename to "vsbcbiq". Change mode to TImode.
157 2016-08-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
159         Backport from mainline
160         2016-08-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
162         * config/s390/s390-builtins.def: Mark last operand of s390_vlvg*
163         and s390_vlgv* builtins as element selector.
165 2016-08-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
167         Backport from mainline
168         2016-07-06  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
170         * config/s390/s390.c (s390_expand_vec_init): Force initializer
171         element to register if it doesn't match general_operand.
173 2016-08-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
175         Backport from mainline
176         2016-06-13  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
178         * config/s390/vecintrin.h: Fix file description in comment.
180 2016-08-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
182         Backport from mainline
183         2016-06-13  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
185         * config/s390/s390-builtin-types.def: Change builtin type naming
186         scheme to match builtin-types.def.
188 2016-08-10  Michael Meissner  <meissner@linux.vnet.ibm.com>
190         Backport from mainline
191         2016-08-10  Michael Meissner  <meissner@linux.vnet.ibm.com>
193         PR target/72853
194         * config/rs6000/rs6000.c (mem_operand_ds_form): Add check for op
195         being an offsettable address.
197 2016-08-10  Jakub Jelinek  <jakub@redhat.com>
199         Backported from mainline
200         2016-08-09  Jakub Jelinek  <jakub@redhat.com>
202         PR tree-optimization/72824
203         * tree-loop-distribution.c (const_with_all_bytes_same): Verify
204         real_zerop is not negative.
206 2016-08-09  Martin Jambor  <mjambor@suse.cz>
208         PR ipa/71981
209         * ipa-polymorphic-call.c (get_dynamic_type): Bail out gracefully
210         if instance is a MEM_REF.
212 2016-08-09  Richard Biener  <rguenther@suse.de>
214         Backport from mainline
215         2016-08-09  Richard Biener  <rguenther@suse.de>
217         PR ipa/68273
218         * ipa-prop.c (ipa_modify_formal_parameters): Build
219         parameter types with natural alignment also for the
220         over-aligned case.
222         2016-07-15  Richard Biener  <rguenther@suse.de>
224         PR tree-optimization/71881
225         * tree-loop-distribution.c (destroy_loop): Remove blocks in
226         reverse DOM order to make debug temp generation happy.
228 2016-08-09  Alan Modra  <amodra@gmail.com>
230         PR target/72802
231         * config/rs6000/rs6000.md (mov<mode>_hardfloat): Sort
232         alternatives.  Put loads first, then stores, and reg/reg moves
233         within same class later.  Delete attr length.
235 2016-08-09  Alan Modra  <amodra@gmail.com>
237         PR target/72802
238         * config/rs6000/rs6000.c (mem_operand_gpr): Remove vsx dform test.
239         (mem_operand_ds_form): New predicate.
240         * config/rs6000/rs6000-protos.h (mem_operand_ds_form): Declare.
241         * config/rs6000/constraints.md (wY): New constraint.
242         * config/rs6000/rs6000.md (f32_lm2, f32_sm2): Use wY for SF.
243         (extendsfdf2_fpr): Replace o constraint with wY.
245 2016-08-08  Georg-Johann Lay  <avr@gjlay.de>
247         Backport from 2016-07-29 trunk r238863.
249         PR rtl-optimization/71976
250         * combine.c (get_last_value): Return 0 if the argument for which
251         the function is called has a wider mode than the recorded value.
253 2016-08-04  Michael Meissner  <meissner@linux.vnet.ibm.com>
255         Backport from trunk
256         2016-07-26  Michael Meissner  <meissner@linux.vnet.ibm.com>
258         PR target/71869
259         * config/rs6000/rs6000.c (rs6000_generate_compare): Rework
260         __float128 support when we don't have hardware support, so that
261         the IEEE built-in functions like isgreater, first call __unordkf3
262         to make sure neither operand is a NaN, and if both operands are
263         ordered, do the normal comparison.
265 2016-08-04  Uros Bizjak  <ubizjak@gmail.com>
267         PR target/72805
268         * config/i386/avx512fintrin.h (_mm512_cmp_epi32_mask) [!__OPTIMIZE__]:
269         Cast builtin function result to __mmask16 instead of __mmask8.
270         (_mm512_cmp_epu32_mask) [!__OPTIMIZE__]: Ditto.
271         (_mm512_mask_cmp_epi32_mask) [!__OPTIMIZE__]: Ditto.
272         (_mm512_mask_cmp_epu32_mask) [!__OPTIMIZE__]: Ditto.
274 2016-08-03  Georg-Johann Lay  <avr@gjlay.de>
276         PR 70677
277         * common/config/avr/avr-common.c (avr_option_optimization_table)
278         [OPT_LEVELS_ALL]: Turn off -fcaller-saves.
280 2016-08-01  Georg-Johann Lay  <avr@gjlay.de>
282         Backport from 2016-08-01 trunk r238948.
284         PR target/72767
285         * config/avr/avr.md (length) [branch]: Correct insn length
286         attribute for forward branches.
288 2016-08-01  Georg-Johann Lay  <avr@gjlay.de>
290         Backport from 2016-06-16 trunk r237536.
291         2016-06-16  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
293         PR target/71151
294         * config/avr/avr.c (avr_asm_init_sections): Remove setup of
295         progmem_swtable_section.
296         (progmem_swtable_section): Remove.
297         (avr_asm_function_rodata_section): Remove.
298         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
299         * config/avr/avr.h (JUMP_TABLES_IN_TEXT_SECTION): Define to 1.
301 2016-07-29  Marek Polacek  <polacek@redhat.com>
303         Backport from mainline
304         2016-07-29  Marek Polacek  <polacek@redhat.com>
306         PR c/7652
307         * config/rs6000/rs6000.c (altivec_expand_ld_builtin): Add break.
308         (altivec_expand_st_builtin): Likewise.
309         * config/i386/i386.c (ix86_expand_args_builtin): Likewise.
310         (ix86_expand_round_builtin): Likewise.
312 2016-07-27  Segher Boessenkool  <segher@kernel.crashing.org>
314         PR target/71216
315         * config/rs6000/rs6000.c (rs6000_file_start): Fix condition for
316         when to emit a ".machine" pseudo-op.
318 2016-07-26  Alan Modra  <amodra@gmail.com>
320         PR target/72103
321         * config/rs6000/rs6000.c (rs6000_secondary_reload): Initialize
322         sri->t_icode.
324 2016-07-21  Jakub Jelinek  <jakub@redhat.com>
326         PR sanitizer/71953
327         * asan.c (asan_dynamic_init_call): Call asan_init_shadow_ptr_types
328         before builtin_decl_implicit.
330         * tree-object-size.c (unknown): Use HOST_WIDE_INT_M1U instead of -1.
332 2016-07-21  Andrew Sutton  <andrew.n.sutton@gmail.com>
334         Improving concepts performance and diagnostics.
335         * timevar.def (TV_CONSTRAINT_SAT, TV_CONSTRAINT_SUB): New time vars
336         for constraint satisfaction and subsumption.
337         * timevar.h (auto_timevar): New constructor that matches the push/pop
338         pattern of usage in pt.c.
340 2016-07-20  John David Anglin  <danglin@gcc.gnu.org>
342         Backport from mainline
343         2016-07-16  John David Anglin  <danglin@gcc.gnu.org>
345         * config/pa/pa.c (hppa_profile_hook): Allocate stack space for
346         register parameters.  Remove code to initialize argument pointer
347         on TARGET_64BIT.  Optimize call to _mcount when it can be reached
348         using a pc-relative branch.  Cleanup conditional code.
349         * config/pa/pa.md (call_mcount): New expander.
350         (call_mcount_nonpic): New insn.
351         (call_mcount_pic): New insn and split.
352         (call_mcount_pic_post_reload): New insn.
353         (call_mcount_64bit): New insn and split.
354         (call_mcount_64bit_post_reload): New insn.
356 2016-07-20  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
358         Backport from mainline
359         2016-07-20  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
361         * config/s390/s390.c (s390_encode_section_info): Remove mode size
362         check.
364 2016-07-20  Martin Jambor  <mjambor@suse.cz>
366         PR fortran/71688
367         * trans-decl.c (gfc_generate_function_code): Use get_create rather
368         than create to get a call graph node.
370 2016-07-19  Jakub Jelinek  <jakub@redhat.com>
372         PR rtl-optimization/71916
373         * cfgrtl.c (contains_no_active_insn_p): Return false also for
374         bb which have a single succ fake edge.
376 2016-07-19  Aldy Hernandez  <aldyh@redhat.com>
378         PR debug/71855
379         * dwarf2out.c (gen_subprogram_die): Only call
380         gen_unspecified_parameters_die while dumping early dwarf.
382 2016-07-19  Jakub Jelinek  <jakub@redhat.com>
384         PR middle-end/71874
385         * gimple-fold.c (fold_builtin_memory_op): Use
386         get_addr_base_and_unit_offset instead of get_ref_base_and_extent.
388 2016-07-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
390         Back port from mainline
391         2016-07-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
393         PR target/71493
394         * config/rs6000/rs6000.c (rs6000_function_value): Fix
395         unintentional System V.4 structure return breakage for structures
396         with a single floating point element.
398 2016-07-18  Martin Liska  <mliska@suse.cz>
400         Backported from mainline
401         2016-07-12  Martin Liska  <mliska@suse.cz>
403         PR rtl-optimization/71634
404         * ira-build.c (mark_loops_for_removal): Properly iterate
405         loops.
407 2016-07-18  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
409         Backport from mainline
410         2016-07-18  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
412         * config/s390/s390.c (s390_encode_section_info): Always set
413         notaligned marker if mode size is 0 or no MEM_ALIGN info could be
414         found.
416 2016-07-15  Alan Modra  <amodra@gmail.com>
418         Apply from mainline
419         2016-07-11  Alan Modra  <amodra@gmail.com>
420         * config/rs6000/rs6000.md (UNSPEC_DOLOOP): New unspec.
421         (ctr<mode>): Add unspec.
422         (ctr<mode>_internal*): Likewise.
424 2016-07-14  Alan Modra  <amodra@gmail.com>
426         PR target/71733
427         * config/rs6000/rs6000.c (rs6000_option_override_internal): Deal
428         with p9_vector override before power9-dform override.
430 2016-07-13  Ilya Enkovich  <ilya.enkovich@intel.com>
432         Backport from mainline r238086.
433         2016-07-07  Ilya Enkovich  <ilya.enkovich@intel.com>
435         PR ipa/71624
436         * ipa-inline-analysis.c (compute_inline_parameters): Set
437         local.can_change_signature to false for intrumentation
438         thunk callees.
440 2016-07-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
441             Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
443         Backport from mainline
444         2016-07-05  Michael Meissner  <meissner@linux.vnet.ibm.com>
445                     Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
447         * config/rs6000/rs6000-protos.h (rs6000_split_signbit): New
448         prototype.
449         * config/rs6000/rs6000.c (rs6000_split_signbit): New function.
450         * config/rs6000/rs6000.md (UNSPEC_SIGNBIT): New constant.
451         (SIGNBIT): New mode iterator.
452         (Fsignbit): New mode attribute.
453         (signbit<mode>2): Change operand1 to match FLOAT128 instead of
454         IBM128; dispatch to gen_signbit{kf,tf}2_dm for __float128
455         when direct moves are available.
456         (signbit<mode>2_dm): New define_insn_and_split).
457         (signbit<mode>2_dm2): New define_insn.
459 2016-07-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
461         Backport from mainline
462         2016-07-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
464         PR target/71805
465         * config/rs6000/altivec.md (altivec_vperm_<mode>_internal):
466         The xxperm and xxpermr instructions require that the 2nd input
467         operand overlap with the output operand, and not the 1st.
468         (altivec_vperm_v8hiv16qi): Likewise.
469         (altivec_vperm_<mode>_uns_internal): Likewise.
470         (altivec_vpermr_<mode>_internal): Likewise.
471         (vperm_v8hiv4si): Likewise.
472         (vperm_v16qiv8hi): Likewise.
474 2016-07-12  Segher Boessenkool  <segher@kernel.crashing.org>
476         Backport from mainline
477         2016-07-06  Segher Boessenkool  <segher@kernel.crashing.org>
479         PR target/70098
480         PR target/71763
481         * config/rs6000/rs6000.md (*ctr<mode>_internal1, *ctr<mode>_internal2,
482         *ctr<mode>_internal5, *ctr<mode>_internal6): Add *wi to the output
483         constraint.
485 2016-07-11  Jakub Jelinek  <jakub@redhat.com>
487         PR middle-end/71758
488         * omp-low.c (expand_omp_target): Gimplify device.
490         PR tree-optimization/71823
491         * tree-vect-stmts.c (vectorizable_operation): Use vect_get_vec_defs
492         to get vec_oprnds2 from op2.
494 2016-07-11  Yuri Rumyantsev  <ysrumyan@gmail.com>
496         Backport from mainline r238055.
497         2016-07-06  Yuri Rumyantsev  <ysrumyan@gmail.com>
499         PR tree-optimization/71518
500         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Adjust
501         misalign also for outer loops with negative step.
503 2016-07-08  Martin Liska  <mliska@suse.cz>
505         Backported from mainline
506         2016-07-08  Martin Liska  <mliska@suse.cz>
508         PR middle-end/71606
509         * fold-const.c (fold_convertible_p): As COMPLEX_TYPE
510         folding produces SAVE_EXPRs, thus return false for the type.
512 2016-07-08  Kelvin Nilsen  <kelvin@gcc.gnu.org>
514         * config/rs6000/rs6000-builtin.def (BU_P9_MISC_1): Remove
515         redundant and erroneous definition of this macro accidentally
516         inserted during backporting.
517         (BU_P9_64BIT_MISC_0): Likewise.
518         (BU_P9_MISC_0): Likewise.
520 2016-07-08  Jiong Wang  <jiong.wang@arm.com>
522         Back port from the trunk
523         2016-07-08  Jiong Wang  <jiong.wang@arm.com>
525         * config/aarch64/aarch64-simd-builtins.def (smax): Remove float
526         variants.
527         (smin): Likewise.
528         (fmax): New entry.
529         (fmin): Likewise.
530         * config/aarch64/arm_neon.h (vmaxnm_f32): Use
531         __builtin_aarch64_fmaxv2sf.
532         (vmaxnmq_f32): Likewise.
533         (vmaxnmq_f64): Likewise.
534         (vminnm_f32): Likewise.
535         (vminnmq_f32): Likewise.
536         (vminnmq_f64): Likewise.
538 2016-07-08  Michael Meissner  <meissner@linux.vnet.ibm.com>
540         Back port from trunk
541         2016-07-08  Michael Meissner  <meissner@linux.vnet.ibm.com>
543         PR target/71806
544         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Do not
545         enable -mfloat128-hardware by default.
546         (ISA_3_0_MASKS_IEEE): New macro to give all of the VSX options
547         that IEEE 128-bit hardware support needs.
548         * config/rs6000/rs6000.c (rs6000_option_override_internal): If
549         -mcpu=power9 -mfloat128, enable -mfloat128-hardware by default.
550         Use ISA_3_0_MASKS_IEEE as the set of options that IEEE 128-bit
551         floating point requires.
552         * doc/invoke.texi (RS/6000 and PowerPC Options): Document
553         -mfloat128 and -mfloat128-hardware changes.
555 2016-07-08  Kelvin Nilsen  <kelvin@gcc.gnu.org>
557         Backport from mainline r237912
558         2016-07-01  Kelvin Nilsen  <kelvin@gcc.gnu.org>
560         * config/rs6000/altivec.md (*altivec_vpermr_<mode>_internal):
561         Exchange the order of the second and third operands in the vpermr
562         instruction tmeplate.
564 2016-07-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
566         Back port from the trunk
567         2016-07-01  Michael Meissner  <meissner@linux.vnet.ibm.com>
569         PR target/71720
570         * config/rs6000/vsx.md (vsx_splat_v4sf_internal): When splitting
571         the insns, use an insn form that does not adjust the offset on
572         little endian systems.
574 2016-07-07  Kelvin Nilsen  <kelvin@gcc.gnu.org>
576         Backport from mainline r237885
577         2016-06-30  Kelvin Nilsen  <kelvin@gcc.gnu.org>
579         * config/rs6000/altivec.md (darn_32): Change the condition to
580         TARGET_P9_MISC instead of TARGET_MODULO.
581         (darn_raw): Replace TARGET_MODULO with TARGET_P9_MISC in the
582         condition expression.
583         (darn): Replace TARGET_MODULO with TARGET_P9_MISC in the
584         condition expression.
585         * config/rs6000/dfp.md (UNSPEC_DTSTSFI): New unspec constant.
586         (DFP_TEST): New code iterator.
587         (dfptstsfi_<code>_mode>): New define_expand.
588         (*dfp_sgnfcnc_<mode>): New define_insn.
589         * config/rs6000/rs6000-builtin.def (BU_P9_MISC_0): Move this macro
590         definition next to BU_P9_MISC_1 definition and change the MASK
591         value to RS6000_BTM_P9_MISC.
592         (BU_P9_MISC_1): Change the MASK value to RS6000_BTM_P9_MISC.
593         (BU_P9_64BIT_MISC_0): Likewise.
594         (BU_P9_DFP_MISC_0): New macro definition.
595         (BU_P9_DFP_MISC_1): New macro definition.
596         (BU_P9_DFP_MISC_2): New macro definition.
597         (BU_P9_DFP_OVERLOAD_1): New macro definition.
598         (BU_P9_DFP_OVERLOAD_2): New macro definition.
599         (BU_P9_DFP_OVERLOAD_3): New macro definition.
600         (TSTSFI_LT_DD): New BU_P9_DFP_MISC_2.
601         (TSTSFI_LT_TD): Likewise.
602         (TSTSFI_EQ_DD): Likewise.
603         (TSTSFI_EQ_TD): Likewise.
604         (TSTSFI_GT_DD): Likewise.
605         (TSTSFI_GT_TD): Likewise.
606         (TSTSFI_OV_DD): Likewise.
607         (TSTSFI_OV_TD): Likewise.
608         (TSTSFI_LT): New BU_P9_DFP_OVERLOAD_2.
609         (TSTSFI_LT_DD): Likewise.
610         (TSTSFI_LT_TD): Likewise.
611         (TSTSFI_EQ): Likewise.
612         (TSTSFI_EQ_DD): Likewise.
613         (TSTSFI_EQ_TD): Likewise.
614         (TSTSFI_GT): Likewise.
615         (TSTSFI_GT_DD): Likewise.
616         (TSTSFI_GT_TD): Likewise.
617         (TSTSFI_OV): Likewise.
618         (TSTSFI_OV_DD): Likewise.
619         (TSTSFI_OV_TD): Likewise.
620         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
621         overloaded test significance functions.
622         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Add
623         OPTION_MASK_P9_MISC into the representation of this mask.
624         (POWERPC_MASKS): Add OPTION_MASK_P9_MISC into the representation
625         of this mask.
626         * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Set the
627         RS6000_BTM_P9_MISC flag in the return value if TARGET_P9_MISC is
628         non-zero.
629         (rs6000_expand_binop_builtin): Enforce that argument 0 of the exp
630         argument is a 6-bit unsigned literal value if the icode argument
631         represents a DFP test significance built-in call.
632         (rs6000_invalid_builtin): Add support for the RS6000_BTM_P9_MISC
633         flag used independently and in combination with the
634         RS6000_BTM_64BIT flag.
635         (rs6000_opt_masks): Add entry for power9-misc command-line option.
636         (rs6000_builtin_mask_names): Add entry for power9-misc
637         command-line option.
638         * config/rs6000/rs6000.h: Redefine TARGET_P9_MISC as 0 if
639         HAVE_AS_POWER9 is not a defined macro.  Define MASK_P9_MISC and
640         RS6000_BTM_P9_MISC macros.
641         * config/rs6000/rs6000.opt: Add support for the -mpower9-misc
642         option and change the description of the -mpower9-vector option to
643         enable only vector instructions, removing its erroneously claimed
644         support for scalar instructions.
645         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Document
646         the ISA 3.0 digital floating point test significance built-in
647         functions.
649 2016-07-07  Richard Biener  <rguenther@suse.de>
651         Backport from mainline
652         2016-06-13  Richard Biener  <rguenther@suse.de>
654         PR middle-end/64516
655         * fold-const.c (fold_unary_loc): Preserve alignment when
656         folding a VIEW_CONVERT_EXPR into a MEM_REF.
658 2016-07-07  Richard Biener  <rguenther@suse.de>
660         Backport from mainline
661         2016-05-25  Richard Biener  <rguenther@suse.de>
663         PR tree-optimization/71264
664         * tree-vect-stmts.c (vect_init_vector): Properly deal with
665         vector type val.
667         2016-06-07  Richard Biener  <rguenther@suse.de>
669         PR middle-end/71423
670         * match.pd ((X | ~Y) -> Y <= X): Properly invert the comparison
671         for signed ops.
673         2016-06-14  Richard Biener  <rguenther@suse.de>
675         PR tree-optimization/71521
676         * tree-vrp.c (extract_range_from_binary_expr_1): Guard
677         division int_const_binop against zero divisor.
679         2016-06-08  Richard Biener  <rguenther@suse.de>
681         PR tree-optimization/71452
682         * tree-ssa.c (non_rewritable_lvalue_p): Make sure that the
683         type used for the SSA rewrite has enough precision to cover
684         the dynamic type of the location.
686         2016-06-14  Richard Biener  <rguenther@suse.de>
688         PR tree-optimization/71522
689         * tree-ssa.c (non_rewritable_lvalue_p): Do not rewrite non-float
690         copying into float copying.
692 2016-07-06  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
694         Backport from mainline
695         2016-07-06  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
697         PR target/50739
698         * config/avr/avr.c (avr_asm_select_section): Strip off
699         SECTION_DECLARED from flags when calling get_section.
701 2016-07-05  Pat Haugen  <pthaugen@us.ibm.com>
703         Backport from mainline
704         2016-06-28  Pat Haugen  <pthaugen@us.ibm.com>
706         * config/rs6000/rs6000.md ('type' attribute): Add htmsimple/dfp types.
707         ('size' attribute): Add '128'.
708         Include power9.md.
709         (*mov<mode>_hardfloat32, *mov<mode>_hardfloat64, *movdi_internal32,
710         *movdi_internal64, *movdf_update1): Set size attribute to '64'.
711         (add<mode>3, sub<mode>3, mul<mode>3, div<mode>3, sqrt<mode>2,
712         copysign<mode>3, neg<mode>2_hw, abs<mode>2_hw, *nabs<mode>2_hw,
713         *fma<mode>4_hw, *fms<mode>4_hw, *nfma<mode>4_hw, *nfms<mode>4_hw,
714         extend<SFDF:mode><IEEE128:mode>2_hw, trunc<mode>df2_hw,
715         *xscvqp<su>wz_<mode>, *xscvqp<su>dz_<mode>, *xscv<su>dqp_<mode>,
716         *trunc<mode>df2_odd): Set size attribute to '128'.
717         (*cmp<mode>_hw): Change type to veccmp and set size attribute to '128'.
718         * config/rs6000/power6.md (power6-fp): Include dfp type.
719         * config/rs6000/power7.md (power7-fp): Likewise.
720         * config/rs6000/power8.md (power8-fp): Likewise.
721         * config/rs6000/power9.md: New file.
722         * config/rs6000/t-rs6000 (MD_INCLUDES): Add power9.md.
723         * config/rs6000/htm.md (*tabort, *tabort<wd>c, *tabort<wd>ci,
724         *trechkpt, *treclaim, *tsr, *ttest): Change type attribute to
725         htmsimple.
726         * config/rs6000/dfp.md (extendsddd2, truncddsd2, extendddtd2,
727         trunctddd2, adddd3, addtd3, subdd3, subtd3, muldd3, multd3, divdd3,
728         divtd3, *cmpdd_internal1, *cmptd_internal1, floatdidd2, floatditd2,
729         ftruncdd2, fixdddi2, ftrunctd2, fixtddi2, dfp_ddedpd_<mode>,
730         dfp_denbcd_<mode>, dfp_dxex_<mode>, dfp_diex_<mode>, dfp_dscli_<mode>,
731         dfp_dscri_<mode>): Change type attribute to dfp.
732         * config/rs6000/crypto.md (crypto_vshasigma<CR_char>): Change type
733         attribute to vecsimple.
734         * config/rs6000/rs6000.c (power9_cost): Update costs, cache size
735         and prefetch streams.
736         (rs6000_option_override_internal): Remove temporary code setting
737         tuning to power8.  Don't set rs6000_sched_groups for power9.
738         (last_scheduled_insn): Change to rtx_insn *.
739         (divide_cnt, vec_load_pendulum): New variables.
740         (rs6000_adjust_cost): Add Power9 to test for store->load separation.
741         (rs6000_issue_rate): Set issue rate for Power9.
742         (is_power9_pairable_vec_type): New.
743         (power9_sched_reorder2): New.
744         (rs6000_sched_reorder2): Call new function for Power9 specific
745         reordering.
746         (insn_must_be_first_in_group): Remove Power9.
747         (insn_must_be_last_in_group): Likewise.
748         (force_new_group): Likewise.
749         (rs6000_sched_init): Fix initialization of last_scheduled_insn.
750         Initialize divide_cnt/vec_load_pendulum.
751         (_rs6000_sched_context, rs6000_init_sched_context,
752         rs6000_set_sched_context): Handle context save/restore of new
753         variables.
755 2016-07-05  Pat Haugen  <pthaugen@us.ibm.com>
757         Backport from mainline
758         2016-06-27  Pat Haugen  <pthaugen@us.ibm.com>
760         * config/rs6000/rs6000.md ('type' attribute): Add
761         veclogical,veccmpfx,vecexts,vecmove insn types.
762         (*abs<mode>2_fpr, *nabs<mode>2_fpr, *neg<mode>2_fpr, *extendsfdf2_fpr,
763         copysign<mode>3_fcpsgn, trunc<mode>df2_internal1, neg<mode>2_internal,
764         p8_fmrgow_<mode>, pack<mode>): Change type to fpsimple.
765         (*xxsel<mode>, copysign<mode>3_hard, neg<mode>2_hw, abs<mode>2_hw,
766         *nabs<mode>2_hw): Change type to vecmove.
767         (*and<mode>3_internal, *bool<mode>3_internal, *boolc<mode>3_internal,
768         *boolcc<mode>3_internal, *eqv<mode>3_internal,
769         *one_cmpl<mode>3_internal, *ieee_128bit_vsx_neg<mode>2_internal,
770         *ieee_128bit_vsx_abs<mode>2_internal,
771         *ieee_128bit_vsx_nabs<mode>2_internal, extendkftf2, trunctfkf2,
772         *ieee128_mfvsrd_64bit, *ieee128_mfvsrd_32bit, *ieee128_mtvsrd_64bit,
773         *ieee128_mtvsrd_32bit): Change type to veclogical.
774         (mov<mode>_hardfloat, *mov<mode>_hardfloat32, *mov<mode>_hardfloat64,
775         *movdi_internal32, *movdi_internal64): Update insn types.
776         * config/rs6000/vsx.md (*vsx_le_undo_permute_<mode>,
777         vsx_extract_<mode>): Change type to veclogical.
778         (*vsx_xxsel<mode>, *vsx_xxsel<mode>_uns): Change type to vecmove.
779         (vsx_sign_extend_qi_<mode>, *vsx_sign_extend_hi_<mode>,
780         *vsx_sign_extend_si_v2di): Change type to vecexts.
781         * config/rs6000/altivec.md (*altivec_mov<mode>, *altivec_movti): Change
782         type to veclogical.
783         (*altivec_eq<mode>, *altivec_gt<mode>, *altivec_gtu<mode>,
784         *altivec_vcmpequ<VI_char>_p, *altivec_vcmpgts<VI_char>_p,
785         *altivec_vcmpgtu<VI_char>_p): Change type to veccmpfx.
786         (*altivec_vsel<mode>, *altivec_vsel<mode>_uns): Change type to vecmove.
787         * config/rs6000/dfp.md (*negdd2_fpr, *absdd2_fpr, *nabsdd2_fpr,
788         negtd2, *abstd2_fpr, *nabstd2_fpr): Change type to fpsimple.
789         * config/rs6000/40x.md (ppc405-float): Add fpsimple.
790         * config/rs6000/440.md (ppc440-fp): Add fpsimple.
791         * config/rs6000/476.md (ppc476-fp): Add fpsimple.
792         * config/rs6000/601.md (ppc601-fp): Add fpsimple.
793         * config/rs6000/603.md (ppc603-fp): Add fpsimple.
794         * config/rs6000/6xx.md (ppc604-fp): Add fpsimple.
795         * config/rs6000/7xx.md (ppc750-fp): Add fpsimple.
796         (ppc7400-vecsimple): Add veclogical, vecmove, veccmpfx.
797         * config/rs6000/7450.md (ppc7450-fp): Add fpsimple.
798         (ppc7450-vecsimple): Add veclogical, vecmove.
799         (ppc7450-veccmp): Add veccmpfx.
800         * config/rs6000/8540.md (ppc8540_simple_vector): Add veclogical,
801         vecmove.
802         (ppc8540_vector_compare): Add veccmpfx.
803         * config/rs6000/a2.md (ppca2-fp): Add fpsimple.
804         * config/rs6000/cell.md (cell-fp): Add fpsimple.
805         (cell-vecsimple): Add veclogical, vecmove.
806         (cell-veccmp): Add veccmpfx.
807         * config/rs6000/e300c2c3.md (ppce300c3_fp): Add fpsimple.
808         * config/rs6000/e6500.md (e6500_vecsimple): Add veclogical, vecmove,
809         veccmpfx.
810         * config/rs6000/mpc.md (mpccore-fp): Add fpsimple.
811         * config/rs6000/power4.md (power4-fp): Add fpsimple.
812         (power4-vecsimple): Add veclogical, vecmove.
813         (power4-veccmp): Add veccmpfx.
814         * config/rs6000/power5.md (power5-fp): Add fpsimple.
815         * config/rs6000/power6.md (power6-fp): Add fpsimple.
816         (power6-vecsimple): Add veclogical, vecmove.
817         (power6-veccmp): Add veccmpfx.
818         * config/rs6000/power7.md (power7-fp): Add fpsimple.
819         (power7-vecsimple): Add veclogical, vecmove, veccmpfx.
820         * config/rs6000/power8.md (power8-fp): Add fpsimple.
821         (power8-vecsimple): Add veclogical, vecmove, veccmpfx.
822         * config/rs6000/rs64.md (rs64a-fp): Add fpsimple.
823         * config/rs6000/titan.md (titan_fp): Add fpsimple.
824         * config/rs6000/xfpu.md (fp-default, fp-addsub-s, fp-addsub-d): Add
825         fpsimple.
826         * config/rs6000/rs6000.c (rs6000_adjust_cost): Add TYPE_FPSIMPLE.
828 2016-07-05  Kelvin Nilsen  <kelvin@gcc.gnu.org>
830         Backport from mainline r237391
831         2016-06-13  Kelvin Nilsen  <kelvin@gcc.gnu.org>
833         * config/rs6000/rs6000.h (RS6000_BTM_COMMON): Add the
834         RS6000_BTM_MODULO flag into the set of flags that are considered
835         to be part of the common configuration.
837 2016-07-04  Jakub Jelinek  <jakub@redhat.com>
839         PR c++/71739
840         * tree.c (attribute_value_equal): Use get_attribute_name instead of
841         directly using TREE_PURPOSE.
843 2016-07-04  Segher Boessenkool  <segher@kernel.crashing.org>
845         Backport from mainline
846         2016-06-27  Segher Boessenkool  <segher@kernel.crashing.org>
848         PR target/71670
849         * config/rs6000/rs6000.md (ashdi3_extswsli_dot): Use
850         gen_ashdi3_extswsli_dot2 instead of gen_ashdi3_extswsli_dot.
852 2016-07-02  Jakub Jelinek  <jakub@redhat.com>
854         Backported from mainline
855         2016-06-28  Jakub Jelinek  <jakub@redhat.com>
857         PR middle-end/71626
858         * config/i386/i386.c (ix86_expand_vector_move): For SUBREG of
859         a constant, force its SUBREG_REG into memory or register instead
860         of whole op1.
862         2016-06-20  Jakub Jelinek  <jakub@redhat.com>
864         PR target/71559
865         * config/i386/i386.c (ix86_fp_cmp_code_to_pcmp_immediate): Fix up
866         returned values and add UN*/LTGT/*ORDERED cases with values matching
867         D operand modifier on vcmp for AVX.
869 2016-07-01  Kelvin Nilsen  <kelvin@gcc.gnu.org>
871         Backport from trunk r237659
872         2016-06-21  Kelvin Nilsen  <kelvin@gcc.gnu.org>
874         * config/rs6000/rs6000.h: Add conditional preprocessing directives
875         to disable Power9-specific compiler features if HAVE_AS_POWER9 is
876         not defined.
878 2016-07-01  Peter Bergner  <bergner@vnet.ibm.com>
880         Backport from trunk
881         2016-06-27  Peter Bergner  <bergner@vnet.ibm.com>
883         PR target/71656
884         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Add
885         OPTION_MASK_P9_DFORM_VECTOR.
886         * config/rs6000/rs6000.c (rs6000_option_override_internal): Do not
887         disable -mpower9-dform-vector when using reload.
888         (quad_address_p): Remove 'gpr_p' argument and all associated code.
889         New 'strict' argument.  Update all callers.  Add strict addressing
890         support.
891         (rs6000_legitimate_offset_address_p): Remove call to
892         virtual_stack_registers_memory_p.
893         (rs6000_legitimize_reload_address): Add quad address support.
894         (rs6000_legitimate_address_p): Move call to quad_address_p above
895         call to virtual_stack_registers_memory_p.  Adjust quad_address_p args
896         to account for new strict usage.
897         (rs6000_output_move_128bit): Adjust quad_address_p args to account
898         for new strict usage.
899         * config/rs6000/predicates.md (quad_memory_operand): Likewise.
901 2016-07-01  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
903         Backport from mainline
904         2016-06-24  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
906         * config/rs6000/rs6000-builtin.def (BU_FLOAT128_2): New #define.
907         (BU_FLOAT128_1): Likewise.
908         (FABSQ): Likewise.
909         (COPYSIGNQ): Likewise.
910         (RS6000_BUILTIN_NANQ): Likewise.
911         (RS6000_BUILTIN_NANSQ): Likewise.
912         (RS6000_BUILTIN_INFQ): Likewise.
913         (RS6000_BUILTIN_HUGE_VALQ): Likewise.
914         * config/rs6000/rs6000.c (rs6000_fold_builtin): New prototype.
915         (TARGET_FOLD_BUILTIN): New #define.
916         (rs6000_builtin_mask_calculate): Add TARGET_FLOAT128 entry.
917         (rs6000_invalid_builtin): Add handling for RS6000_BTM_FLOAT128.
918         (rs6000_fold_builtin): New target hook implementation, handling
919         folding of 128-bit NaNs and infinities.
920         (rs6000_init_builtins): Initialize const_str_type_node; ensure all
921         entries are filled in to avoid problems during bootstrap
922         self-test; define builtins for 128-bit NaNs and infinities.
923         (rs6000_opt_mask): Add entry for float128.
924         * config/rs6000/rs6000.h (RS6000_BTM_FLOAT128): New #define.
925         (RS6000_BTM_COMMON): Include RS6000_BTM_FLOAT128.
926         (rs6000_builtin_type_index): Add RS6000_BTI_const_str.
927         (const_str_type_node): New #define.
928         * config/rs6000/rs6000.md (copysign<mode>3 for IEEE128): Convert
929         to a define_expand that dispatches to either copysign<mode>3_soft
930         or copysign<mode>3_hard.
931         (copysign<mode>3_hard): Rename from copysign<mode>3.
932         (copysign<mode>3_soft): New define_insn.
933         * doc/extend.texi: Document new builtins.
935 2016-07-01  Peter Bergner  <bergner@vnet.ibm.com>
937         Backport from trunk
938         2016-07-01  Peter Bergner  <bergner@vnet.ibm.com>
940         PR target/71698
941         * config/rs6000/rs6000.c (rs6000_secondary_reload_simple_move): Disallow
942         TDmode values.
944 2016-07-01  Kelvin Nilsen  <kelvin@gcc.gnu.org>
946         Backport from trunk r236992
947         2016-06-01  Kelvin Nilsen  <kelvin@gcc.gnu.org>
949         * config/rs6000/altivec.h (vec_slv): New macro.
950         (vec_srv): New macro.
951         * config/rs6000/altivec.md (UNSPEC_VSLV): New value.
952         (UNSPEC_VSRV): New value.
953         (vslv): New insn.
954         (vsrv): New insn.
955         * config/rs6000/rs6000-builtin.def (vslv): New builtin definition.
956         (vsrv): New builtin definition.
957         * config/rs6000/rs6000-c.c (P9V_BUILTIN_VSLV): Macro expansion to
958         define argument types for new builtin.
959         (P9V_BUILTIN_VSRV): Macro expansion to define argument types for
960         new builtin.
961         * doc/extend.texi: Document the new vec_vslv and vec_srv built-in
962         functions.
964 2016-07-01  Eric Botcazou  <ebotcazou@adacore.com>
966         * config/arm/arm.c (arm_function_ok_for_sibcall): Add another check
967         for NULL decl.
969 2016-06-30  Kelvin Nilsen  <kelvin@gcc.gnu.org>
971         Backport from trunk r237390
972         2016-06-13  Kelvin Nilsen  <kelvin@gcc.gnu.org>
974         * config/rs6000/altivec.h (vec_absd): New macro for vector absolute
975         difference unsigned.
976         (vec_absdb): New macro for vector absolute difference unsigned
977         byte.
978         (vec_absdh): New macro for vector absolute difference unsigned
979         half-word.
980         (vec_absdw): New macro for vector absolute difference unsigned word.
981         * config/rs6000/altivec.md (UNSPEC_VADU): New value.
982         (vadu<mode>3): New insn.
983         (*p9_vadu<mode>3): New insn.
984         * config/rs6000/rs6000-builtin.def (vadub): New built-in
985         definition.
986         (vaduh): New built-in definition.
987         (vaduw): New built-in definition.
988         (vadu): New overloaded built-in definition.
989         (vadub): New overloaded built-in definition.
990         (vaduh): New overloaded built-in definition.
991         (vaduw): New overloaded built-in definition.
992         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
993         overloaded vector absolute difference unsigned functions.
994         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Document
995         the ISA 3.0 vector absolute difference unsigned built-in functions.
997 2016-06-30  David Malcolm  <dmalcolm@redhat.com>
999         Backport from trunk r237880.
1000         2016-06-30  David Malcolm  <dmalcolm@redhat.com>
1002         PR driver/71651
1003         * gcc.c (driver::build_option_suggestions): Pass "option" to
1004         add_misspelling_candidates.
1005         * opts-common.c (add_misspelling_candidates): Add "option" param;
1006         use it to avoid adding negated forms for options marked with
1007         RejectNegative.
1008         * opts.h (add_misspelling_candidates): Add "option" param.
1010 2016-06-30  Jakub Jelinek  <jakub@redhat.com>
1012         PR middle-end/71693
1013         * fold-const.c (fold_binary_loc) <case RROTATE_EXPR>: Cast
1014         TREE_OPERAND (arg0, 0) and TREE_OPERAND (arg0, 1) to type
1015         first when permuting bitwise operation with rotate.  Cast
1016         TREE_OPERAND (arg0, 0) to type when cancelling two rotations.
1018 2016-06-30  Martin Liska  <mliska@suse.cz>
1020         Parting backport from mainline
1021         2016-06-29  Martin Liska  <mliska@suse.cz>
1023         * ipa-inline-transform.c (inline_call): Remove unnecessary call
1024         of build_optimization_node.
1026 2016-06-29  Eric Botcazou  <ebotcazou@adacore.com>
1028         Backport from mainline
1029         2016-06-09  Eric Botcazou  <ebotcazou@adacore.com>
1031         * df-problems.c (df_note_bb_compute): Guard use of DF_INSN_INFO_GET.
1033 2016-06-27  Michael Meissner  <meissner@linux.vnet.ibm.com>
1035         Back port from trunk
1036         2016-06-21  Michael Meissner  <meissner@linux.vnet.ibm.com>
1038         * stor-layout.c (layout_type): Move setting complex MODE to
1039         layout_type, instead of setting it ahead of time by the caller.
1041         Back port from trunk
1042         2016-05-11  Alan Modra  <amodra@gmail.com>
1044         * config/rs6000/rs6000.c (is_complex_IBM_long_double,
1045         abi_v4_pass_in_fpr): New functions.
1046         (rs6000_function_arg_boundary): Exclude complex IBM long double
1047         from 64-bit alignment when ABI_V4.
1048         (rs6000_function_arg, rs6000_function_arg_advance_1,
1049         rs6000_gimplify_va_arg): Use abi_v4_pass_in_fpr.
1051         Back port from trunk
1052         2016-05-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
1054         * machmode.h (mode_complex): Add support to give the complex mode
1055         for a given mode.
1056         (GET_MODE_COMPLEX_MODE): Likewise.
1057         * stor-layout.c (layout_type): For COMPLEX_TYPE, use the mode
1058         stored by build_complex_type and gfc_build_complex_type instead of
1059         trying to figure out the appropriate mode based on the size. Raise
1060         an assertion error, if the type was not set.
1061         * genmodes.c (struct mode_data): Add field for the complex type of
1062         the given type.
1063         (blank_mode): Likewise.
1064         (make_complex_modes): Remember the complex mode created in the
1065         base type.
1066         (emit_mode_complex): Write out the mode_complex array to map a
1067         type mode to the complex version.
1068         (emit_insn_modes_c): Likewise.
1069         * tree.c (build_complex_type): Set the complex type to use before
1070         calling layout_type.
1071         * config/rs6000/rs6000.c (rs6000_hard_regno_nregs_internal): Add
1072         support for __float128 complex datatypes.
1073         (rs6000_hard_regno_mode_ok): Likewise.
1074         (rs6000_setup_reg_addr_masks): Likewise.
1075         (rs6000_complex_function_value): Likewise.
1076         * config/rs6000/rs6000.h (FLOAT128_IEEE_P): Likewise.
1077         __float128 and __ibm128 complex.
1078         (FLOAT128_IBM_P): Likewise.
1079         (ALTIVEC_ARG_MAX_RETURN): Likewise.
1080         * doc/extend.texi (Additional Floating Types): Document that
1081         -mfloat128 must be used to enable __float128.  Document complex
1082         __float128 and __ibm128 support.
1084 2016-06-24  Jakub Jelinek  <jakub@redhat.com>
1086         PR tree-optimization/71647
1087         * omp-low.c (lower_rec_input_clauses): Convert
1088         omp_clause_aligned_alignment (c) to size_type_node for the
1089         last argument of __builtin_assume_aligned.
1091 2016-06-22  Eric Botcazou  <ebotcazou@adacore.com>
1093         * function.c (assign_parm_setup_reg): Prevent sharing in another case.
1095 2016-06-21  Georg-Johann Lay  <avr@gjlay.de>
1097         Backport from 2016-06-21 trunk r237639.
1099         PR target/30417
1100         * config/avr/gen-avr-mmcu-specs.c (print_mcu):
1101         [*link_data_start]: Wrap -Tdata into %{!Tdata:...}.
1102         [*link_text_start]: Wrap -Ttext into %{!Ttext:...}.
1104 2016-06-21  Georg-Johann Lay  <avr@gjlay.de>
1106         PR target/71103
1107         * config/avr/avr.md (movqi): Only handle loading subreg:qi of
1108         constant addresses if can_create_pseudo_p.
1110 2016-06-21  Jakub Jelinek  <jakub@redhat.com>
1112         PR tree-optimization/71588
1113         * tree-ssa-strlen.c (valid_builtin_call): New function.
1114         (adjust_last_stmt, handle_builtin_memset, strlen_optimize_stmt): Use
1115         it.
1117         Backported from mainline
1118         2016-06-20  Jakub Jelinek  <jakub@redhat.com>
1120         PR middle-end/71581
1121         * tree-ssa-uninit.c (warn_uninit): If EXPR and VAR are NULL,
1122         see if T isn't anonymous SSA_NAME with COMPLEX_EXPR created
1123         for conversion of scalar user var to complex type and use the
1124         underlying SSA_NAME_VAR in that case.  If EXPR is still NULL,
1125         punt.
1127         2016-06-16  Jakub Jelinek  <jakub@redhat.com>
1129         * gimplify.c (gimplify_scan_omp_clauses): Handle COMPONENT_REFs
1130         with base of reference to struct.
1132 2016-06-20  Ilya Enkovich  <ilya.enkovich@intel.com>
1134         Backport from mainline r237484.
1135         2016-06-15  Ilya Enkovich  <ilya.enkovich@intel.com>
1137         PR middle-end/71529
1138         * ipa-chkp.c (chkp_build_instrumented_fndecl): Fix
1139         DECL_CONTEXT for copied arguments.
1141 2016-06-20  Georg-Johann Lay  <avr@gjlay.de>
1142             Pitchumani Sivanupandi  <pitchumani.s@atmel.com>
1144         Backport from 2016-06-20 trunk r237589, r236558.
1146         PR target/71103
1147         * config/avr/avr.md (movqi): Handle loading subreg:qi (const,
1148         symbol_ref,label_ref).
1150 2016-06-16  Jakub Jelinek  <jakub@redhat.com>
1152         PR target/71554
1153         * config/i386/i386.md (setcc + movzbl peephole2): Use reg_set_p.
1154         (setcc + and peephole2): Likewise.
1156 2016-06-15  Andreas Tobler  <andreast@gcc.gnu.org>
1158         Backported from mainline
1159         2016-06-14  Andreas Tobler  <andreast@gcc.gnu.org>
1161         * config/arm/freebsd.h: Only enable unaligned access for armv6 on
1162         FreeBSD 11 and above.
1164 2016-06-15  Ilya Verbin  <ilya.verbin@intel.com>
1166         Backport from mainline
1167         2016-04-30  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1169         * config/darwin.h (LINK_COMMAND_SPEC_A): Handle -fcilkplus.
1171 2016-06-14  Jakub Jelinek  <jakub@redhat.com>
1173         Backported from mainline
1174         2016-06-10  Jakub Jelinek  <jakub@redhat.com>
1176         PR middle-end/71494
1177         * tree-nested.c (convert_nonlocal_reference_stmt): For GIMPLE_GOTO
1178         without LABEL_DECL, set *handled_ops_p to false instead of true.
1180         2016-06-08  Jakub Jelinek  <jakub@redhat.com>
1181                     Richard Biener  <rguenther@suse.de>
1183         PR c++/71448
1184         * fold-const.c (fold_comparison): Handle CONSTANT_CLASS_P (base0)
1185         the same as DECL_P (base0) for indirect_base0.  Use equality_code
1186         in one further place.
1188         2016-06-04  Jakub Jelinek  <jakub@redhat.com>
1190         PR tree-optimization/71405
1191         * tree-ssa.c (execute_update_addresses_taken): For clobber with
1192         incompatible type, build a new clobber with the right type instead
1193         of building a VIEW_CONVERT_EXPR around it.
1195 2016-06-13  Eric Botcazou  <ebotcazou@adacore.com>
1197         * tree-ssa-sccvn.c (vn_reference_lookup_3): Use a uniform test and
1198         update shared_lookup_references only once after changing operands.
1200 2016-06-13  Richard Biener  <rguenther@suse.de>
1202         PR tree-optimization/71505
1203         * tree-vect-data-refs.c (vect_analyze_data_ref_accesses): Make
1204         assert match comment.
1206 2016-06-13  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
1208         Backport from mainline
1209         2016-06-13  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
1211         PR target/71379
1212         * config/s390/s390.c (s390_expand_builtin): Increase MAX_ARGS by
1213         one.
1215 2016-06-10  Thomas Schwinge  <thomas@codesourcery.com>
1217         PR middle-end/71373
1218         Backport from trunk r237291:
1219         * tree-nested.c (convert_nonlocal_omp_clauses)
1220         (convert_local_omp_clauses): Handle OMP_CLAUSE_ASYNC,
1221         OMP_CLAUSE_WAIT, OMP_CLAUSE_INDEPENDENT, OMP_CLAUSE_AUTO,
1222         OMP_CLAUSE__CACHE_, OMP_CLAUSE_TILE.
1224         Backport from trunk r237291:
1225         * gimplify.c (gimplify_adjust_omp_clauses): Discard
1226         OMP_CLAUSE_TILE.
1227         * omp-low.c (scan_sharing_clauses): Don't expect OMP_CLAUSE_TILE.
1229         Backport from trunk r237290:
1230         * omp-low.c (scan_sharing_clauses): Don't expect
1231         OMP_CLAUSE__CACHE_.
1233         Backport trunk r235964:
1234         2016-05-06  Nathan Sidwell  <nathan@codesourcery.com>
1236         * gimple.c (gimple_call_same_target_p): Unique functions are eq.
1237         * tree-ssa-tail-merge.c (same_succ::equal): Check pointer eq
1238         equality first.
1240 2016-06-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
1242         Back port from trunk
1243         2016-05-31  Michael Meissner  <meissner@linux.vnet.ibm.com>
1245         * config/rs6000/vsx.md (vsx_splat_<mode>, V2DI/V2DF): Simplify
1246         alternatives, eliminating preferred register class.  Add support
1247         for the MTVSRDD instruction in ISA 3.0.
1248         (vsx_splat_v4si_internal): Use splat_input_operand instead of
1249         reg_or_indexed_operand.
1250         (vsx_splat_v4sf_internal): Likewise.
1252         Back port from trunk
1253         2016-05-31  Michael Meissner  <meissner@linux.vnet.ibm.com>
1255         PR target/71186
1256         * config/rs6000/vsx.md (xxspltib_<mode>_nosplit): Add alternatives
1257         for loading up all 0's or all 1's.
1259         Back port from trunk
1260         2016-05-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
1262         PR target/70915
1263         * config/rs6000/constraints.md (wE constraint): New constraint
1264         for a vector constant that can be loaded with XXSPLTIB.
1265         (wM constraint): New constraint for a vector constant of a 1's.
1266         (wS constraint): New constraint for a vector constant that can be
1267         loaded with XXSPLTIB and a vector sign extend instruction.
1268         * config/rs6000/predicates.md (xxspltib_constant_split): New
1269         predicates for wE/wS constraints.
1270         (xxspltib_constant_nosplit): Likewise.
1271         (easy_vector_constant): Add support for constants that can be
1272         loaded via XXSPLTIB.
1273         (splat_input_operand): Add support for ISA 3.0 word splat operations.
1274         * config/rs6000/rs6000.c (xxspltib_constant_p): New function to
1275         return if a constant can be loaded with the ISA 3.0 XXSPLTIB
1276         instruction and possibly with a sign extension.
1277         (output_vec_const_move): Add support for XXSPLTIB. If we are
1278         loading up 0/-1 into Altivec registers, prefer using VSPLTISW
1279         instead of XXLXOR/XXLORC.
1280         (rs6000_expand_vector_init): Add support for ISA 3.0 word splat
1281         operations.
1282         (rs6000_legitimize_reload_address): Likewise.
1283         (rs6000_output_move_128bit): Use output_vec_const_move to emit
1284         constants.
1285         * config/rs6000/vsx.md (VSX_M): Add TImode (if -mvsx-timode) and
1286         combine VSX_M and VSX_M2 into one iterator.
1287         (VSX_M2): Likewise.
1288         (VSINT_84): New iterators for loading constants with XXSPLTIB.
1289         (VSINT_842): Likewise.
1290         (UNSPEC_VSX_SIGN_EXTEND): New UNSPEC.
1291         (xxspltib_v16qi): New insns to load up constants with the ISA 3.0
1292         XXSPLTIB instruction.
1293         (xxspltib_<mode>_nosplit): Likewise.
1294         (xxspltib_<mode>_split): New insn to load up constants with
1295         XXSPLTIB and a sign extend instruction.
1296         (vsx_mov<mode>): Replace single move that handled all vector types
1297         with separate 32-bit and 64-bit moves.  Combine the movti_<bit>
1298         moves (when -mvsx-timode is in effect) into the main vector
1299         moves.  Eliminate separate moves for <VSr> <VSa>, where the
1300         preferred register class (<VSr>) is listed first, and the
1301         secondary register class (<VSa>) is listed second with a '?' to
1302         discourage use.  Prefer loading 0/-1 in any VSX register for ISA
1303         3.0, and Altivec registers for ISA 2.06/2.07 (PR target/70915) so
1304         that if the register was involved in a slow operation, the
1305         clear/set operation does not wait for the slow operation to
1306         finish.  Adjust the length attributes for 32-bit mode.  Use
1307         rs6000_output_move_128bit and drop the use of the string
1308         instructions for 32-bit movti when -mvsx-timode is in effect.  Use
1309         spacing so that the alternatives and attributes don't generate
1310         long lines, and put things in columns, so that it is easier to
1311         match up the operands and attributes with the insn alternatives.
1312         (vsx_mov<mode>_64bit): Likewise.
1313         (vsx_mov<mode>_32bit): Likewise.
1314         (vsx_movti_64bit): Fold movti into normal vector moves.
1315         (vsx_movti_32bit): Likewise.
1316         (vsx_splat_<mode>, V4SI/V4SF modes): Add support for ISA 3.0 word
1317         splat instructions.
1318         (vsx_splat_v4si_internal): Likewise.
1319         (vsx_splat_v4sf_internal): Likewise.
1320         (vector fusion peepholes): Use VSX_M instead of VSX_M2.
1321         (vsx_sign_extend_qi_<mode>): New ISA 3.0 instructions to sign
1322         extend vector elements.
1323         (vsx_sign_extend_hi_<mode>): Likewise.
1324         (vsx_sign_extend_si_v2di): Likewise.
1325         * config/rs6000/rs6000-protos.h (xxspltib_constant_p): Add
1326         declaration.
1327         * doc/md.texi (PowerPC constraints): Document the wE, wM, and wS
1328         constraints.  Add trailing period to wL documentation.
1330 2016-06-08  Jose E. Marchesi  <jose.marchesi@oracle.com>
1332         Backport from mainline
1333         2016-06-08  Jose E. Marchesi  <jose.marchesi@oracle.com>
1335         * config/sparc/driver-sparc.c (cpu_names): Fix the entry for the
1336         SPARC-M7 and add an entry for SPARC-S7 cpus (Sonoma).
1338 2016-06-08  Eric Botcazou  <ebotcazou@adacore.com>
1340         Backport from mainline
1341         2016-06-06  Jose E. Marchesi  <jose.marchesi@oracle.com>
1343         * config/sparc/sparc.md (cpu): Add niagara7 cpu type.
1344         Include the M7 SPARC DFA scheduler.
1345         New attribute v3pipe.
1346         Annotate insns with v3pipe where appropriate.
1347         Define cpu_feature vis4.
1348         Add lzd instruction type and set it on clzdi_sp64 and clzsi_sp64.
1349         Add (V8QI "8") to vbits.
1350         Add insns {add,sub}v8qi3
1351         Add insns ss{add,sub}v8qi3
1352         Add insns us{add,sub}{v8qi,v4hi}3
1353         Add insns {min,max}{v8qi,v4hi,v2si}3
1354         Add insns {minu,maxu}{v8qi,v4hi,v2si}3
1355         Add insns fpcmp{le,gt,ule,ug,ule,ugt}{8,16,32}_vis.
1356         * config/sparc/niagara4.md: Add a comment explaining the
1357         discrepancy between the documented latenty numbers and the
1358         implemented ones.
1359         * config/sparc/niagara7.md: New file.
1360         * configure.ac (HAVE_AS_SPARC5_VIS4): Define if the assembler
1361         supports SPARC5 and VIS 4.0 instructions.
1362         * configure: Regenerate.
1363         * config.in: Likewise.
1364         * config.gcc: niagara7 is a supported cpu in sparc*-*-* targets.
1365         * config/sparc/sol2.h (ASM_CPU32_DEFAUILT_SPEC): Set for
1366         TARGET_CPU_niagara7.
1367         (ASM_CPU64_DEFAULT_SPEC): Likewise.
1368         (CPP_CPU_SPEC): Handle niagara7.
1369         (ASM_CPU_SPEC): Likewise.
1370         * config/sparc/sparc-opts.h (processor_type): Add
1371         PROCESSOR_NIAGARA7.
1372         (mvis4): New option.
1373         * config/sparc/sparc.h (TARGET_CPU_niagara7): Define.
1374         (AS_NIAGARA7_FLAG): Define.
1375         (ASM_CPU64_DEFAULT_SPEC): Set for niagara7.
1376         (CPP_CPU64_DEFAULT_SPEC): Likewise.
1377         (CPP_CPU_SPEC): Handle niagara7.
1378         (ASM_CPU_SPEC): Likewise.
1379         * config/sparc/sparc.c (niagara7_costs): Define.
1380         (sparc_option_override): Handle niagara7 and adjust cache-related
1381         parameters with better values for niagara cpus.  Also support VIS4.
1382         (sparc32_initialize_trampoline): Likewise.
1383         (sparc_use_sched_lookahead): Likewise.
1384         (sparc_issue_rate): Likewise.
1385         (sparc_register_move_cost): Likewise.
1386         (dump_target_flag_bits): Support VIS4.
1387         (sparc_vis_init_builtins): Likewise.
1388         (sparc_builtins): Likewise.
1389         * config/sparc/sparc-c.c (sparc_target_macros): Define __VIS__ for
1390         VIS4 4.0.
1391         * config/sparc/driver-sparc.c (cpu_names): Add SPARC-M7 and
1392         UltraSparc M7.
1393         * config/sparc/sparc.opt (sparc_processor_type): New value
1394         niagara7.
1395         * config/sparc/visintrin.h (__attribute__): Prototypes for the
1396         VIS4 builtins.
1397         * doc/invoke.texi (SPARC Options): Document -mcpu=niagara7 and
1398         -mvis4.
1399         * doc/extend.texi (SPARC VIS Built-in Functions): Document the
1400         VIS4 builtins.
1402         2016-05-30  Jose E. Marchesi  <jose.marchesi@oracle.com>
1404         * config.gcc (sparc*-*-*): Support cpu_32, cpu_64, tune_32 and
1405         tune_64.
1406         * doc/install.texi (--with-cpu-32, --with-cpu-64): Document
1407         support on SPARC.
1408         * config/sparc/linux64.h (OPTION_DEFAULT_SPECS): Add entries for
1409         cpu_32, cpu_64, tune_32 and tune_64.
1410         * config/sparc/sol2.h (OPTION_DEFAULT_SPECS): Likewise.
1412 2016-06-08  Ilya Verbin  <ilya.verbin@intel.com>
1414         Backport from mainline
1415         2016-05-25  Ilya Verbin  <ilya.verbin@intel.com>
1417         * config/i386/i386-builtin-types.def: Add V16SI_FTYPE_V16SF,
1418         V8DF_FTYPE_V8DF_ROUND, V16SF_FTYPE_V16SF_ROUND, V16SI_FTYPE_V16SF_ROUND.
1419         * config/i386/i386.c (enum ix86_builtins): Add
1420         IX86_BUILTIN_CVTPS2DQ512_MASK, IX86_BUILTIN_FLOORPS512,
1421         IX86_BUILTIN_FLOORPD512, IX86_BUILTIN_CEILPS512, IX86_BUILTIN_CEILPD512,
1422         IX86_BUILTIN_TRUNCPS512, IX86_BUILTIN_TRUNCPD512,
1423         IX86_BUILTIN_CVTPS2DQ512, IX86_BUILTIN_VEC_PACK_SFIX512,
1424         IX86_BUILTIN_FLOORPS_SFIX512, IX86_BUILTIN_CEILPS_SFIX512,
1425         IX86_BUILTIN_ROUNDPS_AZ_SFIX512.
1426         (builtin_description bdesc_args): Add __builtin_ia32_floorps512,
1427         __builtin_ia32_ceilps512, __builtin_ia32_truncps512,
1428         __builtin_ia32_floorpd512, __builtin_ia32_ceilpd512,
1429         __builtin_ia32_truncpd512, __builtin_ia32_cvtps2dq512,
1430         __builtin_ia32_vec_pack_sfix512, __builtin_ia32_roundps_az_sfix512,
1431         __builtin_ia32_floorps_sfix512, __builtin_ia32_ceilps_sfix512.
1432         Change IX86_BUILTIN_CVTPS2DQ512 to IX86_BUILTIN_CVTPS2DQ512_MASK for
1433         __builtin_ia32_cvtps2dq512_mask.
1434         (ix86_expand_args_builtin): Handle V8DF_FTYPE_V8DF_ROUND,
1435         V16SF_FTYPE_V16SF_ROUND, V16SI_FTYPE_V16SF_ROUND, V16SI_FTYPE_V16SF.
1436         (ix86_builtin_vectorized_function): Handle builtins mentioned above.
1437         * config/i386/sse.md
1438         (<mask_codefor>avx512f_fix_notruncv16sfv16si<mask_name><round_name>):
1439         Rename to ...
1440         (avx512f_fix_notruncv16sfv16si<mask_name><round_name>): ... this.
1441         (<mask_codefor>avx512f_cvtpd2dq512<mask_name><round_name>): Rename
1442         to ...
1443         (avx512f_cvtpd2dq512<mask_name><round_name>): ... this.
1444         (avx512f_vec_pack_sfix_v8df): New define_expand.
1445         (avx512f_roundpd512): Rename to ...
1446         (avx512f_round<castmode>512): ... this.  Change iterator.
1447         (avx512f_roundps512_sfix): New define_expand.
1448         (round<mode>2_sfix): Change iterator.
1450 2016-06-07  Peter Bergner  <bergner@vnet.ibm.com>
1452         Backport from mainline
1453         2016-06-07  Peter Bergner  <bergner@vnet.ibm.com>
1455         * doc/invoke.texi (RS/6000 and PowerPC Options): Document -mhtm and
1456         -mno-htm.
1458 2016-06-07  Uros Bizjak  <ubizjak@gmail.com>
1460         PR target/71389
1461         * config/i386/i386.c (ix86_avx256_split_vector_move_misalign):
1462         Copy op1 RTX to avoid invalid sharing.
1463         (ix86_expand_vector_move_misalign): Ditto.
1465 2016-06-06  Jakub Jelinek  <jakub@redhat.com>
1467         PR tree-optimization/71259
1468         * tree-vect-slp.c (vect_get_constant_vectors): For
1469         VECTOR_BOOLEAN_TYPE_P, return all ones constant instead of
1470         one for constant op, and use COND_EXPR for non-constant.
1472 2016-06-06  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1474         Backport from trunk
1475         2016-06-02  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1477         PR target/70830
1478         * config/arm/arm.c (arm_output_multireg_pop): Guard "pop" on update.
1480 2016-06-05  Uros Bizjak  <ubizjak@gmail.com>
1482         Backport from mainline
1483         2016-06-01  Uros Bizjak  <ubizjak@gmail.com>
1484                     Jocelyn Mayer  <l_indien@magic.fr>
1486         PR target/67310
1487         * config/i386/driver-i386.c (host_detect_local_cpu): Correctly
1488         detect processor family for signature_CENTAUR_ebx.
1489         <case PROCESSOR_I486>: Pass c3, winchip2 or winchip-c6 for
1490         signature_CENTAUR_ebx.
1491         <case PROCESSOR _PENTIUMPRO>: Pass c3-2 for signature_CENTAUR_ebx.
1492         <default>: Pass x86-64 for has_longmode.
1494 2016-06-03  Jakub Jelinek  <jakub@redhat.com>
1496         PR middle-end/71387
1497         * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): If redirecting
1498         to noreturn e->callee->decl that has void return type and void
1499         arguments, adjust gimple_call_fntype and remove lhs even if it had
1500         previously addressable type.
1502 2016-06-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
1504         Back port from trunk
1505         2016-05-26  Michael Meissner  <meissner@linux.vnet.ibm.com>
1507         * config/rs6000/rs6000.c (rs6000_emit_p9_fp_minmax): New function
1508         for ISA 3.0 min/max support.
1509         (rs6000_emit_p9_fp_cmove): New function for ISA 3.0 floating point
1510         conditional move support.
1511         (rs6000_emit_cmove): Call rs6000_emit_p9_fp_minmax and
1512         rs6000_emit_p9_fp_cmove if the ISA 3.0 instructions are
1513         available.
1514         * config/rs6000/rs6000.md (SFDF2): New iterator to allow doing
1515         conditional moves where the comparison type is different from move
1516         type.
1517         (fp_minmax): New code iterator for smin/smax.
1518         (minmax): New code attributes for min/max.
1519         (SMINMAX): Likewise.
1520         (smax<mode>3): Combine min, max insns into one insn using the
1521         fp_minmax code iterator.  Add support for ISA 3.0 min/max
1522         instructions that don't need -ffast-math.
1523         (s<minmax><mode>3): Likewise.
1524         (smax<mode>3_vsx): Likewise.
1525         (smin<mode>3): Likewise.
1526         (s<minmax><mode>3_vsx): Likewise.
1527         (smin<mode>3_vsx): Likewise.
1528         (pre-VSX min/max splitters): Likewise.
1529         (s<minmax><mode>3_fpr): Likewise.
1530         (movsfcc): Rewrite floating point conditional moves to combine
1531         SFmode/DFmode into a single insn.
1532         (mov<mode>cc): Likewise.
1533         (movdfcc): Likewise.
1534         (fselsfsf4): Combine FSEL cases into a single insn, using SFDF and
1535         SFDF2 iterators to handle all combinations.
1536         (fseldfsf4): Likewise.
1537         (fsel<SFDF:mode><SFDF2:mode>4): Likewise.
1538         (fseldfdf4): Likewise.
1539         (fselsfdf4): Likewise.
1540         (mov<SFDF:mode><SFDF2:mode>cc_p9): Add support for the ISA 3.0
1541         comparison instructions that set a 0/-1 mask, and use it for
1542         floating point conditional move via XXSEL.
1543         (fpmask<mode>): Likewise.
1544         (xxsel<mode>): Likewise.
1545         * config/rs6000/predicates.md (min_max_operator): Delete, no
1546         longer used.
1547         (fpmask_comparison_operaton): New insn for ISA 3.0 comparison
1548         instructions that generate a 0/-1 mask for use with XXSEL.
1549         * config/rs6000/rs6000.h (TARGET_MINMAX_SF): New helper macros to
1550         say whether floating point min/max is available, either through
1551         FSEL, ISA 2.06 min/max, and ISA 3.0 min/max instrucitons.
1552         (TARGET_MINMAX_DF): Likewise.
1554         Back port from trunk
1555         2016-05-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
1557         * config/rs6000/predicate.md (all_ones_constant): New predicate
1558         for vector constant with all 1's set.
1560 2016-06-02  Kelvin Nilsen  <kelvin@gcc.gnu.org>
1562         Back port from trunk
1563         2016-05-19  Kelvin Nilsen  <kelvin@gcc.gnu.org>
1565         * config/rs6000/altivec.md (UNSPEC_DARN): New unspec constant.
1566         (UNSPEC_DARN_32): New unspec constant.
1567         (UNSPEC_DARN_RAW): New unspec constant.
1568         (darn_32): New instruction.
1569         (darn_raw): New instruction.
1570         (darn): New instruction.
1571         * config/rs6000/rs6000-builtin.def (RS6000_BUILTIN_0): Add
1572         support and documentation for this macro.
1573         (BU_P9_MISC_1): New macro definition.
1574         (BU_P9_64BIT_MISC_0): New macro definition.
1575         (BU_P9_MISC_0): New macro definition.
1576         (darn_32): New builtin definition.
1577         (darn_raw): New builtin definition.
1578         (darn): New builtin definition.
1579         * config/rs6000/rs6000.c: Add #define RS6000_BUILTIN_0 and #undef
1580         RS6000_BUILTIN_0 directives to surround each occurrence of
1581         #include "rs6000-builtin.def".
1582         (rs6000_builtin_mask_calculate): Add in the RS6000_BTM_MODULO and
1583         RS6000_BTM_64BIT flags to the returned mask, depending on
1584         configuration.
1585         (def_builtin): Correct an error in the assignments made to the
1586         debugging variable attr_string.
1587         (rs6000_expand_builtin): Add support for no-operand built-in
1588         functions.
1589         (builtin_function_type): Remove fatal_error assertion that is no
1590         longer valid.
1591         (rs6000_common_init_builtins): Add support for no-operand built-in
1592         functions.
1593         * config/rs6000/rs6000.h (RS6000_BTM_MODULO): New macro
1594         definition.
1595         (RS6000_BTM_PURE): Enhance comment to clarify intent of this flag
1596         definition.
1597         (RS6000_BTM_64BIT): New macro definition.
1598         * doc/extend.texi: Document __builtin_darn (void),
1599         __builtin_darn_raw (void), and __builtin_darn_32 (void) built-in
1600         functions.
1602 2016-06-01  Michael Meissner  <meissner@linux.vnet.ibm.com>
1604         Back port from trunk
1605         2016-05-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
1607         PR target/71201
1608         * config/rs6000/altivec.md (altivec_vperm_<mode>_internal): Drop
1609         ISA 3.0 xxperm fusion alternative.
1610         (altivec_vperm_v8hiv16qi): Likewise.
1611         (altivec_vperm_<mode>_uns_internal): Likewise.
1612         (vperm_v8hiv4si): Likewise.
1613         (vperm_v16qiv8hi): Likewise.
1615         Back port from trunk
1616         2016-05-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
1617                     Kelvin Nilsen  <kelvin@gcc.gnu.org>
1619         * config/rs6000/rs6000.c (rs6000_expand_vector_set): Generate
1620         vpermr/xxpermr on ISA 3.0.
1621         (altivec_expand_vec_perm_le): Likewise.
1622         * config/rs6000/altivec.md (UNSPEC_VPERMR): New unspec.
1623         (altivec_vpermr_<mode>_internal): Add VPERMR/XXPERMR support for
1624         ISA 3.0.
1626         Back port from trunk
1627         2016-05-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
1629         * config/rs6000/altivec.md (VParity): New mode iterator for vector
1630         parity built-in functions.
1631         (p9v_ctz<mode>2): Add support for ISA 3.0 vector count trailing
1632         zeros.
1633         (p9v_parity<mode>2): Likewise.
1634         * config/rs6000/vector.md (VEC_IP): New mode iterator for vector
1635         parity.
1636         (ctz<mode>2): ISA 3.0 expander for vector count trailing zeros.
1637         (parity<mode>2): ISA 3.0 expander for vector parity.
1638         * config/rs6000/rs6000-builtin.def (BU_P9_MISC_1): New macros for
1639         power9 built-ins.
1640         (BU_P9_64BIT_MISC_0): Likewise.
1641         (BU_P9_MISC_0): Likewise.
1642         (BU_P9V_AV_1): Likewise.
1643         (BU_P9V_AV_2): Likewise.
1644         (BU_P9V_AV_3): Likewise.
1645         (BU_P9V_AV_P): Likewise.
1646         (BU_P9V_VSX_1): Likewise.
1647         (BU_P9V_OVERLOAD_1): Likewise.
1648         (BU_P9V_OVERLOAD_2): Likewise.
1649         (BU_P9V_OVERLOAD_3): Likewise.
1650         (VCTZB): Add vector count trailing zeros support.
1651         (VCTZH): Likewise.
1652         (VCTZW): Likewise.
1653         (VCTZD): Likewise.
1654         (VPRTYBD): Add vector parity support.
1655         (VPRTYBQ): Likewise.
1656         (VPRTYBW): Likewise.
1657         (VCTZ): Add overloaded vector count trailing zeros support.
1658         (VPRTYB): Add overloaded vector parity support.
1659         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
1660         overloaded vector count trailing zeros and parity instructions.
1661         * config/rs6000/rs6000.md (wd mode attribute): Add V1TI and TI for
1662         vector parity support.
1663         * config/rs6000/altivec.h (vec_vctz): Add ISA 3.0 vector count
1664         trailing zeros support.
1665         (vec_cntlz): Likewise.
1666         (vec_vctzb): Likewise.
1667         (vec_vctzd): Likewise.
1668         (vec_vctzh): Likewise.
1669         (vec_vctzw): Likewise.
1670         (vec_vprtyb): Add ISA 3.0 vector parity support.
1671         (vec_vprtybd): Likewise.
1672         (vec_vprtybw): Likewise.
1673         (vec_vprtybq): Likewise.
1674         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Document
1675         the ISA 3.0 vector count trailing zeros and vector parity built-in
1676         functions.
1678         Back port from trunk
1679         2016-05-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
1681         * config/rs6000/altivec.md (VNEG iterator): New iterator for
1682         VNEGW/VNEGD instructions.
1683         (p9_neg<mode>2): New insns for ISA 3.0 VNEGW/VNEGD.
1684         (neg<mode>2): Add expander for V2DImode added in ISA 2.07, and
1685         support for ISA 3.0 VNEGW/VNEGD instructions.
1687         Back port from trunk
1688         2016-05-11  Michael Meissner  <meissner@linux.vnet.ibm.com>
1690         * config/rs6000/predicates.md (quad_memory_operand): Move most of
1691         the code into quad_address_p and call it to share code with
1692         vsx_quad_dform_memory_operand.
1693         (vsx_quad_dform_memory_operand): New predicate for ISA 3.0 vector
1694         d-form support.
1695         * config/rs6000/rs6000.opt (-mlra): Switch to being an option mask
1696         bit instead of being a separate word.  Split -mpower9-dform into
1697         two switches, -mpower9-dform-scalar and -mpower9-dform-vector.
1698         * config/rs6000/rs6000.c (RELOAD_REG_QUAD_OFFSET): New addr_mask
1699         for the register class supporting 128-bit quad word memory offsets.
1700         (mode_supports_vsx_dform_quad): Helper function to return if the
1701         register class uses quad word memory offsets.
1702         (rs6000_debug_addr_mask): Add support for quad word memory offsets.
1703         (rs6000_debug_reg_global): Always print if we are using LRA or not.
1704         (rs6000_setup_reg_addr_masks): If ISA 3.0 vector d-form
1705         instructions are enabled, set up the appropriate addr_masks for
1706         128-bit types.
1707         (rs6000_init_hard_regno_mode_ok): wb constraint is now based on
1708         -mpower9-dform-scalar, instead of -mpower9-dform.
1709         (rs6000_option_override_internal): Split -mpower9-dform into two
1710         switches, -mpower9-dform-scalar and -mpower9-dform-vector.  The
1711         -mpower9-dform switch sets or clears both.  If we are not using
1712         the LRA register allocator, do not enable -mpower9-dform-vector by
1713         default.  If we are using LRA, enable -mpower9-dform-vector and
1714         -mvsx-timode if it is appropriate.  Issue a warning if either
1715         -mpower9-dform-vector or -mvsx-timode are explicitly used without
1716         enabling LRA.
1717         (quad_address_offset_p): New helper function to return if the
1718         offset is legal for quad word memory instructions.
1719         (quad_address_p): New function to determin if GPR or vector
1720         register quad word memory addresses are legal.
1721         (mem_operand_gpr): Validate quad word address offsets.
1722         (reg_offset_addressing_ok_p): Add support for ISA 3.0 vector
1723         d-form (register + offset) instructions.
1724         (offsettable_ok_by_alignment): Likewise.
1725         (rs6000_legitimate_offset_address_p): Likewise.
1726         (legitimate_lo_sum_address_p): Likewise.
1727         (rs6000_legitimize_address): Likewise.
1728         (rs6000_legitimize_reload_address): Add more debug statements for
1729         -mdebug=addr.
1730         (rs6000_legitimate_address_p): Add support for ISA 3.0 vector
1731         d-form instructions.
1732         (rs6000_secondary_reload_memory): Add support for ISA 3.0 vector
1733         d-form instructions.  Distinguish different cases in debug
1734         output. (rs6000_secondary_reload_inner): Add support for ISA 3.0 vector
1735         d-form instructions.
1736         (rs6000_preferred_reload_class): Likewise.
1737         (rs6000_output_move_128bit): Add support for ISA 3.0 d-form
1738         instructions.  If ISA 3.0 is available, generate lxvx/stxvx instead
1739         of the ISA 2.06 indexed memory instructions.
1740         (rs6000_emit_prologue): If we have ISA 3.0 d-form instructions,
1741         use them to save/restore the saved vector registers instead of
1742         using Altivec instructions.
1743         (rs6000_emit_epilogue): Likewise.
1744         (rs6000_lra_p): Use TARGET_LRA instead of the old option word.
1745         (rs6000_opt_masks): Split -mpower9-dform into
1746         -mpower9-dform-scalar and -mpower9-dform-vector.
1747         (rs6000_print_options_internal): Print -mno-<switch> if <switch>
1748         was not selected.
1749         * config/rs6000/vsx.md (p9_vecload_<mode>): Delete hack to emit
1750         ISA 3.0 vector indexed memory instructions, and fold the code into
1751         the normal mov<mode> patterns.
1752         (p9_vecstore_<mode>): Likewise.
1753         (vsx_mov<mode>): Add support for ISA 3.0 vector d-form
1754         instructions.
1755         (vsx_movti_64bit): Likewise.
1756         (vsx_movti_32bit): Likewise.
1757         * config/rs6000/constraints.md (wO constraint): New constraint for
1758         ISA 3.0 vector d-form support.
1759         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Use
1760         -mpower9-dform-scalar instead of -mpower9-dform.  Add note not to
1761         include -mpower9-dform-vector until we switch over to LRA.
1762         (POWERPC_MASKS): Add -mlra. Split -mpower9-dform into two.
1763         switches, -mpower9-dform-scalar and -mpower9-dform-vector.
1764         * config/rs6000/rs6000-protos.h (quad_address_p): Add declaration.
1765         * doc/invoke.texi (RS/6000 and PowerPC Options): Add documentation
1766         for -mpower9-dform and -mlra.
1767         * doc/md.texi (wO constraint): Document wO constraint.
1769 2016-06-01  Eric Botcazou  <ebotcazou@adacore.com>
1771         * tree-vect-loop.c (vect_determine_vectorization_factor): Also compute
1772         the factor for live Phi nodes.
1774 2016-06-01  Jakub Jelinek  <jakub@redhat.com>
1776         PR middle-end/71371
1777         * gimplify.c (gimplify_omp_for): Temporarily clear gimplify_omp_ctxp
1778         around creation of the temporary.
1780 2016-06-01  Eric Botcazou  <ebotcazou@adacore.com>
1782         * tree-vect-loop.c (vect_determine_vectorization_factor): Also take
1783         into account live statements for mask producers.
1785 2016-05-31  Richard Biener  <rguenther@suse.de>
1787         Backport from mainline
1788         2016-05-11  Richard Biener  <rguenther@suse.de>
1790         PR debug/71057
1791         * dwarf2out.c (retry_incomplete_types): Set early_dwarf.
1792         (dwarf2out_finish): Move retry_incomplete_types call ...
1793         (dwarf2out_early_finish): ... here.
1795 2016-05-31  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1797         PR target/71056
1798         * config/arm/arm-builtins.c (arm_builtin_vectorized_function): Return
1799         NULL_TREE early if NEON is not available.  Remove now redundant check
1800         in ARM_CHECK_BUILTIN_MODE.
1802 2016-05-31  Tom de Vries  <tom@codesourcery.com>
1804         backport:
1805         2016-05-31  Tom de Vries  <tom@codesourcery.com>
1807         PR tree-optimization/69068
1808         * graphite-isl-ast-to-gimple.c (copy_bb_and_scalar_dependences): Handle
1809         phis with more than two args.
1811 2016-05-30  Andreas Tobler  <andreast@gcc.gnu.org>
1813         Backport from mainline
1814         2016-05-30  Andreas Tobler  <andreast@gcc.gnu.org>
1816         * config.gcc: Move hard float support for arm*hf*-*-freebsd* into
1817         armv6*-*-freebsd* for FreeBSD 11. Eliminate the arm*hf*-*-freebsd*
1818         target.
1820 2016-05-30  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1822         Backport from mainline
1823         2016-04-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1825         * config/rs6000/altivec.h: Change definitions of vec_xl and
1826         vec_xst.
1827         * config/rs6000/rs6000-builtin.def (LD_ELEMREV_V2DF): New.
1828         (LD_ELEMREV_V2DI): New.
1829         (LD_ELEMREV_V4SF): New.
1830         (LD_ELEMREV_V4SI): New.
1831         (LD_ELEMREV_V8HI): New.
1832         (LD_ELEMREV_V16QI): New.
1833         (ST_ELEMREV_V2DF): New.
1834         (ST_ELEMREV_V2DI): New.
1835         (ST_ELEMREV_V4SF): New.
1836         (ST_ELEMREV_V4SI): New.
1837         (ST_ELEMREV_V8HI): New.
1838         (ST_ELEMREV_V16QI): New.
1839         (XL): New.
1840         (XST): New.
1841         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
1842         descriptions for VSX_BUILTIN_VEC_XL and VSX_BUILTIN_VEC_XST.
1843         * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Map from
1844         TARGET_P9_VECTOR to RS6000_BTM_P9_VECTOR.
1845         (altivec_expand_builtin): Add handling for
1846         VSX_BUILTIN_ST_ELEMREV_<MODE> and VSX_BUILTIN_LD_ELEMREV_<MODE>.
1847         (rs6000_invalid_builtin): Add error-checking for
1848         RS6000_BTM_P9_VECTOR.
1849         (altivec_init_builtins): Define builtins used to implement vec_xl
1850         and vec_xst.
1851         (rs6000_builtin_mask_names): Define power9-vector.
1852         * config/rs6000/rs6000.h (MASK_P9_VECTOR): Define.
1853         (RS6000_BTM_P9_VECTOR): Define.
1854         (RS6000_BTM_COMMON): Include RS6000_BTM_P9_VECTOR.
1855         * config/rs6000/vsx.md (vsx_ld_elemrev_v2di): New define_insn.
1856         (vsx_ld_elemrev_v2df): Likewise.
1857         (vsx_ld_elemrev_v4sf): Likewise.
1858         (vsx_ld_elemrev_v4si): Likewise.
1859         (vsx_ld_elemrev_v8hi): Likewise.
1860         (vsx_ld_elemrev_v16qi): Likewise.
1861         (vsx_st_elemrev_v2df): Likewise.
1862         (vsx_st_elemrev_v2di): Likewise.
1863         (vsx_st_elemrev_v4sf): Likewise.
1864         (vsx_st_elemrev_v4si): Likewise.
1865         (vsx_st_elemrev_v8hi): Likewise.
1866         (vsx_st_elemrev_v16qi): Likewise.
1867         * doc/extend.texi: Add prototypes for vec_xl and vec_xst.  Correct
1868         grammar.
1870 2016-05-30  Richard Biener  <rguenther@suse.de>
1872         Backport from mainline
1873         2016-05-11  Richard Biener  <rguenther@suse.de>
1875         PR middle-end/71002
1876         * alias.c (reference_alias_ptr_type): Preserve alias-set zero
1877         if the langhook insists on it.
1878         * fold-const.c (make_bit_field_ref): Add arg for the original
1879         reference and preserve its alias-set.
1880         (decode_field_reference): Take exp by reference and adjust it
1881         to the original memory reference.
1882         (optimize_bit_field_compare): Adjust callers.
1883         (fold_truth_andor_1): Likewise.
1885         2016-05-13  Jakub Jelinek  <jakub@redhat.com>
1887         PR bootstrap/71071
1888         * fold-const.c (fold_checksum_tree): Allow modification
1889         of TYPE_ALIAS_SET during folding.
1891 2016-05-30  Eric Botcazou  <ebotcazou@adacore.com>
1893         * config/visium/visium.c (visium_split_double_add): Minor tweaks.
1894         (visium_expand_copysign): Use gen_int_mode directly.
1895         (visium_compute_frame_size): Minor tweaks.
1897 2016-05-30  Tom de Vries  <tom@codesourcery.com>
1899         backport:
1900         2016-05-30  Tom de Vries  <tom@codesourcery.com>
1902         PR tree-optimization/69067
1903         * graphite-isl-ast-to-gimple.c (get_def_bb_for_const): Remove assert.
1905 2016-05-27  Eric Botcazou  <ebotcazou@adacore.com>
1907         * config/visium/visium-protos.h (split_double_move): Rename into...
1908         (visium_split_double_move): ...this.
1909         (visium_split_double_add): Declare.
1910         * config/visium/visium.c (split_double_move): Rename into...
1911         (visium_split_double_move): ...this.
1912         (visium_split_double_add): New function.
1913         (visium_expand_copysign): Renumber operands for consistency.
1914         * config/visium/visium.md (DImode move splitter): Adjust to renaming.
1915         (DFmode move splitter): Likewise.
1916         (*addi3_insn): Split by means of visium_split_double_add.
1917         (*adddi3_insn_flags): Delete.
1918         (*plus_plus_sltu<subst_arith>): New insn.
1919         (*subdi3_insn): Split by means of visium_split_double_add.
1920         (subdi3_insn_flags): Delete.
1921         (*minus_minus_sltu<subst_arith>): New insn.
1922         (*negdi2_insn): Split by means of visium_split_double_add.
1923         (*negdi2_insn_flags): Delete.
1925 2016-05-27  Ilya Enkovich  <ilya.enkovich@intel.com>
1927         Backport from mainline r236810.
1928         2016-05-27  Ilya Enkovich  <ilya.enkovich@intel.com>
1930         PR middle-end/71279
1931         * fold-const.c (fold_ternary_loc): Don't fold VEC_COND_EXPR
1932         into comparison.
1934 2016-05-25  Eric Botcazou  <ebotcazou@adacore.com>
1936         * tree-ssa-phiopt.c (factor_out_conditional_conversion): Remove
1937         redundant test and bail out if the type of the new operand is not
1938         a GIMPLE register type after stripping a VIEW_CONVERT_EXPR.
1940 2016-05-24  Martin Sebor  <msebor@redhat.com>
1942         PR c++/71147
1943         * tree.h (complete_or_array_type_p): New inline function.
1945 2016-05-24  Jakub Jelinek  <jakub@redhat.com>
1947         * config/i386/i386.h (TARGET_AVOID_4BYTE_PREFIXES): Define.
1948         * config/i386/constraints.md (Yr): Test TARGET_AVOID_4BYTE_PREFIXES
1949         rather than X86_TUNE_AVOID_4BYTE_PREFIXES.  Use SSE_REGS instead
1950         of ALL_SSE_REGS.  Return SSE_REGS also when TARGET_AVX.
1952 2016-05-24  Jakub Jelinek  <jakub@redhat.com>
1954         PR c++/71257
1955         * tree-vect-stmts.c (vectorizable_simd_clone_call): Handle
1956         SIMD_CLONE_ARG_TYPE_LINEAR_REF_CONSTANT_STEP like
1957         SIMD_CLONE_ARG_TYPE_LINEAR_CONSTANT_STEP.  Add
1958         SIMD_CLONE_ARG_TYPE_LINEAR_VAL_CONSTANT_STEP and
1959         SIMD_CLONE_ARG_TYPE_LINEAR_UVAL_CONSTANT_STEP cases explicitly.
1961 2016-05-23  Martin Jambor  <mjambor@suse.cz>
1963         * hsa-gen.c (gen_hsa_insns_for_switch_stmt): Create an empty
1964         default block if a PHI node in the original one would be resized.
1966 2016-05-23  Martin Jambor  <mjambor@suse.cz>
1968         PR tree-optimization/70884
1969         * tree-sra.c (initialize_constant_pool_replacements): Do not check
1970         should_scalarize_away_bitmap and cannot_scalarize_away_bitmap bits.
1971         (sort_and_splice_var_accesses): Do not consider multiple scalar reads
1972         of constant pool data as a reason for scalarization.
1974 2016-05-20  Eric Botcazou  <ebotcazou@adacore.com>
1976         * config/arm/arm.c (arm_expand_prologue): Set the stack usage to 0
1977         for naked functions.
1978         (thumb1_expand_prologue): Likewise.
1980 2016-05-20  Jakub Jelinek  <jakub@redhat.com>
1982         PR c++/71210
1983         * gimple-fold.c (gimple_fold_call): Do not remove lhs of noreturn
1984         calls if the LHS is variable length or has addressable type.
1985         If targets[0]->decl is a noreturn call with void return type and
1986         zero arguments, adjust fntype and remove lhs in that case.
1988 2016-05-20  Uros Bizjak  <ubizjak@gmail.com>
1990         * sched-deps.c (sched_analyze_2) <case TRAP_IF>: Also
1991         force pending loads from memory.
1993 2016-05-19  Marek Polacek  <polacek@redhat.com>
1995         Backport from mainline
1996         2016-05-19  Marek Polacek  <polacek@redhat.com>
1998         PR tree-optimization/71031
1999         * tree-vrp.c (extract_range_from_binary_expr_1): Turn assert into a
2000         condition and adjust the code a bit.
2002 2016-05-19  Martin Jambor  <mjambor@suse.cz>
2004         PR ipa/70646
2005         * ipa-prop.c (determine_locally_known_aggregate_parts): Bail out early
2006         if parameter PARAM_IPA_MAX_AGG_ITEMS is zero.
2008 2016-05-19  Martin Jambor  <mjambor@suse.cz>
2010         PR ipa/70646
2011         * ipa-inline.h (condition): New field size.
2012         * ipa-inline-analysis.c (add_condition): New parameter SIZE, use it
2013         for comaprison and store it into the new condition.
2014         (evaluate_conditions_for_known_args): Use condition size to check
2015         access sizes for all but CHANGED conditions.
2016         (unmodified_parm_1): New parameter size_p, store access size into it.
2017         (unmodified_parm): Likewise.
2018         (unmodified_parm_or_parm_agg_item): Likewise.
2019         (eliminated_by_inlining_prob): Pass NULL to unmodified_parm as size_p.
2020         (set_cond_stmt_execution_predicate): Extract access sizes and store
2021         them to conditions.
2022         (set_switch_stmt_execution_predicate): Likewise.
2023         (will_be_nonconstant_expr_predicate): Likewise.
2024         (will_be_nonconstant_predicate): Likewise.
2025         (inline_read_section): Stream condition size.
2026         (inline_write_summary): Likewise.
2027         * lto-streamer.h (LTO_minor_version): Bump.
2029 2016-05-18  Martin Liska  <mliska@suse.cz>
2031         Backport from mainline
2032         2016-05-18  Martin Liska  <mliska@suse.cz>
2034         PR fortran/70856
2035         * ipa-icf.c (sem_variable::merge): Set DECL_PT_UID for
2036         merged variables.
2038 2016-05-18  Jakub Jelinek  <jakub@redhat.com>
2040         PR c++/71100
2041         * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Don't drop
2042         lhs if it has TREE_ADDRESSABLE type.
2044 2016-05-18  Uros Bizjak  <ubizjak@gmail.com>
2046         PR target/71145
2047         * config/alpha/alpha.md (trap): Add (use (reg:DI 29)).
2048         (*exception_receiver_1): Return "#" for TARGET_EXPLICIT_RELOCS.
2050 2016-05-17  Thomas Schwinge  <thomas@codesourcery.com>
2052         Backport trunk r235748:
2053         PR target/70860
2054         * config/nvptx/nvptx.c (nvptx_libcall_value): Handle NULL cfun.
2055         (nvptx_function_value): Assert non-NULL cfun.
2057 2016-05-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2059         Backport from mainline
2060         2016-05-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2062         PR target/70809
2063         * config/aarch64/aarch64-simd.md (aarch64_vmls<mode>): Delete.
2065 2016-05-16  Martin Jambor  <mjambor@suse.cz>
2067         * hsa-gen.c (fillup_for_decl): Increase alignment to natural one.
2068         (get_symbol_for_decl): Sorry if a global symbol in under-aligned.
2070 2016-05-16  Martin Jambor  <mjambor@suse.cz>
2072         PR hsa/70857
2073         * omp-low.c (grid_expand_target_grid_body): Copy RESULT_DECL of
2074         the outlined kernel function.
2076 2016-05-16  James Norris  <jnorris@codesourcery.com>
2078         Backport from mainline r236098.
2079         2016-05-10  James Norris  <jnorris@codesourcery.com>
2081         PR driver/68463
2082         * config/rs6000/sysv4.h (CRTOFFLOADBEGIN): Define. Add crtoffloadbegin.o
2083         if offloading is enabled and -fopenacc or -fopenmp is specified.
2084         (CRTOFFLOADEND): Likewise.
2085         (STARTFILE_LINUX_SPEC): Add CRTOFFLOADBEGIN.
2086         (ENDFILE_LINUX_SPEC): Add CRTOFFLOADEND.
2088 2016-05-16  Alan Modra  <amodra@gmail.com>
2090         Apply from mainline
2091         2016-05-10  Alan Modra  <amodra@gmail.com>
2092         PR target/70947
2093         * config/rs6000/rs6000.c (rs6000_expand_split_stack_prologue): Stop
2094         regrename modifying insns saving lr before __morestack call.
2095         * config/rs6000/rs6000.md (split_stack_return): Similarly for
2096         insns restoring lr after __morestack call.
2098 2016-05-13  Richard Biener  <rguenther@suse.de>
2100         Backport from mainline
2101         2016-04-27  Richard Biener  <rguenther@suse.de>
2103         PR ipa/70760
2104         * tree-ssa-structalias.c (find_func_aliases_for_call): Use
2105         aggregate_value_p to determine if a function result is
2106         returned by reference.
2108         2016-05-06  Richard Biener  <rguenther@suse.de>
2110         PR middle-end/70931
2111         * dwarf2out.c (native_encode_initializer): Skip zero-sized fields.
2113         2016-05-06  Richard Biener  <rguenther@suse.de>
2115         PR middle-end/70941
2116         * fold-const.c (split_tree): Always convert to the original type
2117         before negating.
2119 2016-05-12  Martin Liska  <mliska@suse.cz>
2121         Backport from mainline
2122         2016-05-10  Martin Liska  <mliska@suse.cz>
2124         * tree-inline.c (remap_dependence_clique): Do not remap
2125         debugging statements.
2127 2016-05-12  Ilya Enkovich  <ilya.enkovich@intel.com>
2129         Backport from mainline r236171.
2130         2016-05-12  Ilya Enkovich  <ilya.enkovich@intel.com>
2132         PR tree-optimization/71006
2133         * tree-vect-loop.c (vect_determine_vectorization_factor): Don't
2134         consider COND_EXPR as a mask producer.
2136 2016-05-12  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2138         Backport from mainline
2139         2016-05-12  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2141         PR target/70830
2142         * config/arm/arm.c (arm_output_multireg_pop): Avoid POP instruction
2143         when popping the PC and within an interrupt handler routine.
2144         Add missing tab to output of "ldmfd".
2145         (output_return_instruction): Output LDMFD with SP update rather
2146         than POP when returning from interrupt handler.
2148 2016-05-11  Ilya Enkovich  <ilya.enkovich@intel.com>
2150         Backport from mainline r236088.
2151         2016-05-10  Ilya Enkovich  <ilya.enkovich@intel.com>
2153         PR middle-end/70877
2154         * tree-chkp.c (chkp_add_bounds_to_call_stmt): Handle
2155         calls with type casted fndecl.
2157 2016-05-11  Ilya Enkovich  <ilya.enkovich@intel.com>
2159         Backport from mainline r236086.
2160         2016-05-10  Ilya Enkovich  <ilya.enkovich@intel.com>
2162         PR tree-optimization/70876
2163         * tree-chkp.c (chkp_find_bounds_1): Support WITH_SIZE_EXPR.
2164         * gcc/calls.c (initialize_argument_information): Bind bounds
2165         with corresponding args passed by reference.
2167 2016-05-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2169         Backport from mainline
2170         2016-05-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2172         PR target/70963
2173         * config/rs6000/vsx.md (vsx_xvcvdpsxds_scale): Generate correct
2174         code for a zero scale factor.
2175         (vsx_xvcvdpuxds_scale): Likewise.
2177 2016-05-10  Jakub Jelinek  <jakub@redhat.com>
2179         Backported from mainline
2180         2016-05-03  Jakub Jelinek  <jakub@redhat.com>
2182         PR tree-optimization/70916
2183         * tree-vect-patterns.c (vect_recog_mask_conversion_pattern): Give up
2184         if COND_EXPR rhs1 is neither SSA_NAME nor COMPARISON_CLASS_P.
2186 2016-05-10  Yuri Rumyantsev  <ysrumyan@gmail.com>
2188         Backport from mainline r235962.
2189         2016-05-06  Yuri Rumyantsev  <ysrumyan@gmail.com>
2191         PR debug/70935
2192         * tree-ssa-loop-unswitch.c (find_loop_guard): Reject guard edge with
2193         loop latch destination.
2195 2016-05-10  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
2197         Backport from mainline
2198         2016-05-10  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
2200         * config/s390/s390.md ("*vec_cmp<insn_cmp>df_cconly")
2201         ("*fixuns_truncdfdi2_z13")
2202         ("*fixuns_trunc<FP:mode><GPR:mode>2_z196")
2203         ("*fix_truncdfdi2_bfp_z13", "*floatunsdidf2_z13")
2204         ("*extendsfdf2_z13"): Replace TARGET_Z13 with TARGET_VX.
2206 2016-05-10  Sebastian Huber  <sebastian.huber@embedded-brains.de>
2208         Backport from mainline
2209         2016-04-27  Sebastian Huber  <sebastian.huber@embedded-brains.de>
2211         * config/rtems.h (LIB_SPEC): Add -latomic.
2213 2016-05-10  Sebastian Huber  <sebastian.huber@embedded-brains.de>
2215         Backport from mainline
2216         2016-04-27  Joel Sherrill  <joel@rtems.org>
2218         * config/microblaze/rtems.h: Redefine LINK_SPEC to avoid
2219         xilink.ld and flags not relevant to RTEMS.
2221 2016-05-09  Uros Bizjak  <ubizjak@gmail.com>
2223         * config/i386/i386.md (absneg splitters with general regs): Use
2224         general_reg_operand predicate.
2225         (btsq peephole2): Use x86_64_immediate_operand to check if new
2226         value is suitable for immediate operand.  Generate emitted insn
2227         using RTL expressions.
2228         (btcq peephole2): Ditto.
2229         (btrq peephole2): Ditto.  Generate correct immediate operand
2230         for AND masking.
2232 2016-05-07  Tom de Vries  <tom@codesourcery.com>
2234         backport:
2235         2016-05-07  Tom de Vries  <tom@codesourcery.com>
2237         PR tree-optimization/70956
2238         * graphite-scop-detection.c (build_cross_bb_scalars_def): Handle NULL
2239         def.
2241 2016-05-06  Marek Polacek  <polacek@redhat.com>
2243         Backported from mainline
2244         2016-05-06  Marek Polacek  <polacek@redhat.com>
2246         PR sanitizer/70875
2247         * ubsan.c (get_ubsan_type_info_for_type): Remove assert.
2249 2016-05-06  Marek Polacek  <polacek@redhat.com>
2251         Backported from mainline
2252         2016-04-29  Marek Polacek  <polacek@redhat.com>
2253                     Jakub Jelinek  <jakub@redhat.com>
2255         PR sanitizer/70342
2256         * fold-const.c (tree_single_nonzero_warnv_p): For TARGET_EXPR, use
2257         TARGET_EXPR_SLOT as a base.
2259 2016-05-04  Eric Botcazou  <ebotcazou@adacore.com>
2261         * tree-ssa-coalesce.c (gimple_can_coalesce_p): Fix reference in head
2262         comment.
2263         (compute_samebase_partition_bases): Fix typo.
2265 2016-05-03  Pierre-Marie de Rodat  <derodat@adacore.com>
2267         * dwarf2out.c (resolve_args_picking_1): Replace the frame_offset
2268         occurence with frame_offset_ ones.
2270 2016-04-28  Jakub Jelinek  <jakub@redhat.com>
2272         PR target/70858
2273         * config/i386/i386.c (bdesc_special_args): Add | OPTION_MASK_ISA_64BIT
2274         to __builtin_ia32_lwpval64 and __builtin_ia32_lwpins64.
2275         (bdesc_args): Add | OPTION_MASK_ISA_64BIT to __builtin_ia32_bextr_u64,
2276         __builtin_ia32_bextri_u64, __builtin_ia32_bzhi_di,
2277         __builtin_ia32_pdep_di and __builtin_ia32_pext_di.
2279 2016-04-28  Eric Botcazou  <ebotcazou@adacore.com>
2281         Backport from mainline
2282         2016-04-27  Eric Botcazou  <ebotcazou@adacore.com>
2284         PR ada/70759
2285         * stor-layout.h (internal_reference_types): Delete.
2286         * stor-layout.c (reference_types_internal): Likewise.
2287         (internal_reference_types): Likewise.
2288         (layout_type) <REFERENCE_TYPE>: Adjust.
2290 2016-04-27  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2292         Backport from mainline
2293         2016-04-25  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2295         * config/rs6000/rs6000-builtin.def: Correct pasto error for
2296         stxvd2x and stxvw4x built-in functions.
2298 2016-04-27  H.J. Lu  <hongjiu.lu@intel.com>
2300         Backported from mainline
2301         2016-04-21  H.J. Lu  <hongjiu.lu@intel.com>
2303         PR target/70750
2304         * config/i386/predicates.md (call_insn_operand): Replace
2305         sibcall_memory_operand with memory_operand.
2307 2016-04-27  Richard Biener  <rguenther@suse.de>
2309         PR ipa/70785
2310         * tree-ssa-structalias.c (refered_from_nonlocal_fn): New
2311         function cummulating used_from_other_partition, externally_visible
2312         and force_output from aliases.
2313         (refered_from_nonlocal_var): Likewise.
2314         (ipa_pta_execute): Use call_for_symbol_and_aliases to cummulate
2315         node flags properly.
2317 2016-04-27  Jakub Jelinek  <jakub@redhat.com>
2319         Backported from mainline
2320         2016-04-23  Jakub Jelinek  <jakub@redhat.com>
2322         PR sanitizer/70712
2323         * cfgexpand.c (expand_stack_vars): Fix typo.
2325         2016-04-19  Jakub Jelinek  <jakub@redhat.com>
2327         PR middle-end/70680
2328         * gimplify.c (gimplify_omp_for): Call omp_notice_variable for
2329         implicitly linear or lastprivate iterator on the outer context.
2331 2016-04-27  Kirill Yukhin  <kirill.yukhin@intel.com>
2333         PR target/70728
2334         * gcc/config/i386/sse.md (define_insn "<shift_insn><mode>3<mask_name>"):
2335         Extract AVX-512BW constraint from AVX.
2337 2016-04-27  Jakub Jelinek  <jakub@redhat.com>
2339         * BASE-VER: Set to 6.1.1.
2341 2016-04-27  Release Manager
2343         * GCC 6.1.0 released.
2345 2016-04-25  Richard Biener  <rguenther@suse.de>
2347         PR tree-optimization/70780
2348         * tree-ssa-pre.c (compute_antic_aux): Also return true if the block
2349         wasn't visited yet.
2350         (compute_antic): Mark blocks with abnormal preds as visited as
2351         they have a final empty antic-in solution already.
2353 2016-04-22  H.J. Lu  <hongjiu.lu@intel.com>
2355         Backport from mainline
2356         2016-04-20  H.J. Lu  <hongjiu.lu@intel.com>
2358         * doc/invoke.texi: Replace -skip-rax-setup with -mskip-rax-setup.
2360 2016-04-22  Szabolcs Nagy  <szabolcs.nagy@arm.com>
2362         * system.h (list, map, set, vector): Include conditionally.
2363         * auto-profile.c (INCLUDE_MAP, INCLUDE_SET): Define.
2364         * graphite-isl-ast-to-gimple.c (INCLUDE_MAP): Define.
2365         * ipa-icf.c (INCLUDE_LIST): Define.
2366         * config/aarch64/cortex-a57-fma-steering.c (INCLUDE_LIST): Define.
2367         * config/sh/sh.c (INCLUDE_VECTOR): Define.
2368         * config/sh/sh_treg_combine.cc (INCLUDE_ALGORITHM): Define.
2369         (INCLUDE_LIST, INCLUDE_VECTOR): Define.
2370         * cp/logic.cc (INCLUDE_LIST): Define.
2371         * fortran/trans-common.c (INCLUDE_MAP): Define.
2373 2016-04-22  Szabolcs Nagy  <szabolcs.nagy@arm.com>
2375         * auto-profile.c: Remove <string.h> include.
2376         * ipa-icf-gimple.c: Remove <list> include.
2377         * diagnostic.c: Remove <new> include.
2378         * genmatch.c: Likewise.
2379         * pretty-print.c: Likewise.
2380         * toplev.c: Likewise
2381         * c/c-objc-common.c: Likewise.
2382         * cp/error.c: Likewise.
2383         * fortran/error.c: Likewise.
2385 2016-04-21  Richard Biener  <rguenther@suse.de>
2387         PR middle-end/70747
2388         * fold-const.c (fold_comparison): Return properly typed
2389         constant boolean.
2391 2016-04-20  Andrew Pinski  <apinski@cavium.com>
2392             Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2394         PR target/64971
2395         * config/aarch64/aarch64.md (sibcall): Force call
2396         address to be DImode for ILP32.
2397         (sibcall_value): Likewise.
2399 2016-04-20  Marek Polacek  <polacek@redhat.com>
2401         * tree-if-conv.c (is_false_predicate): For NULL_TREE return false
2402         rather than true.
2404 2016-04-20  Marek Polacek  <polacek@redhat.com>
2406         PR tree-optimization/70725
2407         * tree-if-conv.c (is_false_predicate): New function.
2408         (predicate_mem_writes): Use it.
2410 2016-04-20  Richard Biener  <rguenther@suse.de>
2412         PR tree-optimization/70726
2413         * tree-vect-stmts.c (vectorizable_shift): Do not use scalar
2414         shift amounts from a pattern stmt operand.
2416 2016-04-20  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
2418         PR target/70674
2419         * config/s390/s390.c (s390_restore_gprs_from_fprs): Pick the new
2420         stack_restore_from_fpr pattern when restoring r15.
2421         (s390_optimize_prologue): Strip away the memory barrier in the
2422         parallel when trying to get rid of restore insns.
2423         * config/s390/s390.md ("stack_restore_from_fpr"): New insn
2424         definition for loading the stack pointer from an FPR.  Compared to
2425         the normal move insn this pattern includes a full memory barrier.
2427 2016-04-19  Richard Biener  <rguenther@suse.de>
2429         PR tree-optimization/70724
2430         * tree-ssa-sccvn.c (scc_vn_restore_ssa_info): Split SSA info
2431         restoring out from ...
2432         (free_scc_vn): ... here.
2433         * tree-ssa-sccvn.h (scc_vn_restore_ssa_info): Declare.
2434         * tres-ssa-pre.c (pass_pre::execute): Restore SSA info before
2435         tail merging.
2436         (pass_fre::execute): Restore SSA info.
2438 2016-04-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2440         * doc/install.texi (Specific, i?86-*-solaris2.10): Update gas and
2441         gld requirements.
2442         (Specific, *-*-solaris2*): Update Solaris 11 bundled gcc
2443         versions.
2444         Mention Solaris 11 packaging changes.
2445         Update gas and gld requirements.
2446         Remove reference to pre-Solaris 10 bug.
2447         (Specific, sparc-sun-solaris2*): Remove reference to pre-Solaris 10
2448         systems and bugs.
2449         (Specific, sparc64-*-solaris2*): Remove reference to bootstrap
2450         with cc.
2452 2016-04-18  Matthew Wahab  <matthew.wahab@arm.com>
2454         PR target/70711
2455         * config/arm/bpabi.h (BE8_LINK_SPEC): Add entries for armv8+crc,
2456         armv8.1-a and armv8.1-a+crc.
2458 2016-04-18  Segher Boessenkool  <segher@kernel.crashing.org>
2460         * has-brig.c (lendian16): Don't try to use __builtin_bswap16
2461         unless compiling with at least GCC-4.8.
2463 2016-04-15  Kirill Yukhin  <kirill.yukhin@intel.com>
2465         PR target/70662
2466         * config/i386/sse.md (define_insn "<avx512>_vec_dup<mode><mask_name>"):
2467         Fix mode size check.
2469 2016-04-15  Jakub Jelinek  <jakub@redhat.com>
2471         * BASE-VER: Set to 6.0.1.
2472         * DEV-PHASE: Set to prerelease.
2474 2016-04-15  Alexander Monakov  <amonakov@ispras.ru>
2476         * config/nvptx/nvptx.opt (moptimize): Add a period at end of help text.
2478 2016-04-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2480         * doc/invoke.texi (ARM Options): Add note on deprecation of pre-ARMv4T
2481         architecture revisions.
2483 2016-04-15  Bernd Schmidt  <bschmidt@redhat.com>
2485         * config/i386/i386-protos.h (ix86_using_red_zone): Declare.
2486         * config/i386/i386.c (ix86_using_red_zone): No longer static.
2487         * config/i386/i386.md (stack decrement to push peepholes): Guard
2488         with !x86_using_red_zone ().
2490 2016-04-15  Jakub Jelinek  <jakub@redhat.com>
2492         PR c++/70675
2493         * tree-pretty-print.c (do_niy): Add FLAGS argument, pass it down
2494         to dump_generic_node.
2495         (NIY): Pass also flags to do_niy.
2497 2016-04-15  Thomas Schwinge  <thomas@codesourcery.com>
2499         * omp-low.c (simd_clone_struct_alloc, simd_clone_struct_copy)
2500         (simd_clone_vector_of_formal_parm_types)
2501         (simd_clone_clauses_extract, simd_clone_compute_base_data_type)
2502         (simd_clone_mangle, simd_clone_create)
2503         (simd_clone_adjust_return_type, create_tmp_simd_array)
2504         (simd_clone_adjust_argument_types, simd_clone_init_simd_arrays)
2505         (struct modify_stmt_info, ipa_simd_modify_stmt_ops)
2506         (ipa_simd_modify_function_body, simd_clone_linear_addend)
2507         (simd_clone_adjust, expand_simd_clones, ipa_omp_simd_clone)
2508         (pass_data_omp_simd_clone, class pass_omp_simd_clone)
2509         (pass_omp_simd_clone::gate, make_pass_omp_simd_clone): Move
2510         into...
2511         * omp-simd-clone.c: ... this new file.
2512         (simd_clone_vector_of_formal_parm_types): Make it static.
2513         * Makefile.in (OBJS): Add omp-simd-clone.o.
2515 2016-04-15  Kirill Yukhin  <kirill.yukhin@intel.com>
2517         PR target/70662
2518         * config/i386/sse.md: Use proper memory operand
2519         modifiers.
2522 2016-04-15  Richard Biener  <rguenther@suse.de>
2523         Alan Modra  <amodra@gmail.com>
2525         PR tree-optimization/70130
2526         * tree-vect-data-refs.c (vect_supportable_dr_alignment): Detect
2527         when alignment stays not the same and no not use the realign
2528         scheme then.
2530 2016-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
2532         PR target/70669
2533         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add
2534         direct move handlers for KFmode. Change TFmode handlers test from
2535         FLOAT128_IEEE_P to FLOAT128_VECTOR_P.
2537 2016-04-14  Jakub Jelinek  <jakub@redhat.com>
2539         PR c++/70594
2540         * ipa-utils.h (polymorphic_ctor_dtor_p): New prototype.
2541         * ipa-polymorphic-call.c (polymorphic_ctor_dtor_p): New function.
2542         (inlined_polymorphic_ctor_dtor_block_p): Use it.
2543         * tree-ssa-live.c (remove_unused_scope_block_p): When
2544         in_ctor_dtor_block, avoid discarding not just BLOCKs with
2545         BLOCK_ABSTRACT_ORIGIN being FUNCTION_DECL, but even when
2546         block_ultimate_origin is FUNCTION_DECL.
2547         (remove_unused_locals): If current_function_decl is
2548         polymorphic_ctor_dtor_p, pass initial true to
2549         remove_unused_scope_block_p' is_ctor_dtor_block.
2551 2016-04-14  Martin Sebor  <msebor@redhat.com>
2553         PR c++/69517
2554         PR c++/70019
2555         PR c++/70588
2556         * doc/extend.texi (Variable Length): Revert.
2558 2016-04-14  Marek Polacek  <polacek@redhat.com>
2559             Jan Hubicka  <hubicka@ucw.cz>
2561         PR c++/70029
2562         * tree.c (verify_type): Disable the canonical type of main variant
2563         check.
2565 2016-04-14  Jason Merrill  <jason@redhat.com>
2567         * cfgexpand.c, expr.c: Revert previous change.
2569 2016-04-14  Cesar Philippidis  <cesar@codesourcery.com>
2571         PR middle-end/70643
2572         * omp-low.c (lower_oacc_reductions): Check for TREE_CONSTANT
2573         when building a mem ref for the incoming reduction variable.
2575 2016-04-14  Richard Biener  <rguenther@suse.de>
2577         PR tree-optimization/70614
2578         * tree-scalar-evolution.c (analyze_evolution_in_loop): Terminate
2579         loop if the evolution dropped to chrec_dont_know.
2580         (interpret_condition_phi): Likewise.
2582 2016-04-14  Richard Biener  <rguenther@suse.de>
2584         PR tree-optimization/70623
2585         * tree-ssa-pre.c (changed_blocks): Make global ...
2586         (compute_antic): ... local here.  Move and fix worklist
2587         handling here.  Do not clear EDGE_DFS_BACK or call mark_dfs_back_edges.
2588         (compute_antic_aux): Add dumping for MAX assumed succs.  Remove
2589         worklist handling, dump when ANTIC_IN changed.
2590         (compute_partial_antic_aux): Remove worklist handling.
2591         (init_pre): Do not compute post dominators.  Add a comment about
2592         the CFG order chosen.
2593         (fini_pre): Do not free post dominators.
2595 2016-04-13  Martin Sebor  <msebor@redhat.com>
2597         PR c++/69517
2598         PR c++/70019
2599         PR c++/70588
2600         * doc/extend.texi (Variable Length): Document C++ specifics.
2602 2016-04-13  Jakub Jelinek  <jakub@redhat.com>
2604         PR c++/70641
2605         * ipa-pure-const.c (pass_nothrow::execute): Call maybe_clean_eh_stmt
2606         on all recursive call stmts.  Return TODO_cleanup_cfg if any dead
2607         eh edges have been purged.
2609         PR c++/70594
2610         * tree-sra.c (create_access_replacement,
2611         get_replaced_param_substitute): Set DECL_NAMELESS on repl if it
2612         gets fancy name.
2613         * tree-pretty-print.c (dump_fancy_name): New function.
2614         (dump_decl_name, dump_generic_node): Use it.
2616 2016-04-13  Jason Merrill  <jason@redhat.com>
2618         * cfgexpand.c (pass_expand::execute): Handle attribute "abi warning".
2619         * expr.c (expand_expr_real_1): Likewise.
2621 2016-04-13  Ilya Enkovich  <ilya.enkovich@intel.com>
2623         * config/i386/i386.md (kunpckhi): Swap operands.
2624         (kunpcksi): Likewise.
2625         (kunpckdi): Likewise.
2626         * config/i386/sse.md (vec_pack_trunc_qi): Likewise.
2627         (vec_pack_trunc_<mode>): Likewise.
2629 2016-04-13  Jakub Jelinek  <jakub@redhat.com>
2631         PR debug/70628
2632         * explow.c (convert_memory_address_addr_space_1): Formatting fix.
2634         PR middle-end/70633
2635         * gimplify.c (gimplify_init_constructor): Clear TREE_STATIC if
2636         gimplification turns some element into non-constant.
2638         PR debug/70628
2639         * rtl.h (convert_memory_address_addr_space_1): New prototype.
2640         * explow.c (convert_memory_address_addr_space_1): No longer static,
2641         add NO_EMIT argument and don't call convert_modes if true, pass
2642         it down recursively, remove break after return.
2643         (convert_memory_address_addr_space): Adjust caller.
2644         * simplify-rtx.c (simplify_unary_operation_1): Call
2645         convert_memory_address_addr_space_1 instead of convert_memory_address,
2646         if it returns NULL, don't simplify.
2648 2016-04-12  Eric Botcazou  <ebotcazou@adacore.com>
2650         PR target/70630
2651         * config/sparc/sparc.c (sparc_compute_frame_size): Add parentheses.
2653 2016-04-12  Jakub Jelinek  <jakub@redhat.com>
2655         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
2656         Bump the upper SIMDLEN limits, so that if the return type or
2657         characteristic type if the return type is void can be passed in
2658         all available SSE2/AVX/AVX2/AVX512-F registers, the SIMDLEN is
2659         allowed.
2661 2016-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
2663         PR target/70640
2664         * config/rs6000/rs6000.md (ieee_128bit_vsx_neg<mode>2_internal):
2665         Do not use "=" constraint on an input constraint.
2666         (ieee_128bit_vsx_abs<mode>2_internal): Likewise.
2667         (ieee_128bit_vsx_nabs<mode>2_internal): Likewise.
2668         (ieee_128bit_vsx_nabs<mode>2): Correct splitter so that it
2669         generates (neg (abs ...)) instead of (abs ...).
2671 2016-04-12  Jakub Jelinek  <jakub@redhat.com>
2673         PR rtl-optimization/70596
2674         * lra-spills.c (spill_pseudos): Don't delete debug insns, instead
2675         just invalidate LRA data and reset them.  Adjust dump wording.
2677 2016-04-12  Martin Liska  <mliska@suse.cz>
2679         Revert
2680         2016-03-30  Jan Hubicka  <hubicka@ucw.cz>
2682         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can't get realistic
2683         estimates here.
2684         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
2685         max_loop_iterations_int.
2686         (tree_unswitch_outer_loop): Likewise.
2687         * tree-ssa-loop-ivopts.c (avg_loop_niter): Likewise.
2688         * tree-vect-loop.c (vect_analyze_loop_2): Likewise.
2690 2016-04-12  Tom de Vries  <tom@codesourcery.com>
2692         PR tree-optimization/68756
2693         * graphite-isl-ast-to-gimple.c (copy_cond_phi_args): Use new_expr
2694         instead of new_name.
2696 2016-04-12  Jakub Jelinek  <jakub@redhat.com>
2698         PR tree-optimization/70602
2699         * tree-sra.c (generate_subtree_copies): Don't write anything into
2700         constant pool decls.
2702         * omp-low.c (lower_omp_target): Use GOMP_MAP_FIRSTPRIVATE_INT
2703         regardless whether there are depend clauses or not.
2705 2016-04-11  Michael Meissner  <meissner@linux.vnet.ibm.com>
2707         PR target/70381
2708         * config/rs6000/rs6000.c (rs6000_opt_masks): Disable using the
2709         target attribute and pragma from changing the -mfloat128
2710         and -mfloat128-hardware options.
2712         * doc/extend.texi (Additional Floating Types): Document PowerPC
2713         __float128 restrictions.
2715 2016-04-11  James Greenhalgh  <james.greenhalgh@arm.com>
2717         PR target/70133
2718         * config/aarch64/driver-aarch64.c
2719         (aarch64_get_extension_string_for_isa_flags): New.
2720         (arch_extension): Rename to...
2721         (aarch64_arch_extension): ...This.
2722         (ext_to_feat_string): Rename to...
2723         (aarch64_extensions): ...This.
2724         (aarch64_core_data): Keep track of architecture extension flags.
2725         (cpu_data): Rename to...
2726         (aarch64_cpu_data): ...This.
2727         (aarch64_arch_driver_info): Keep track of architecture extension
2728         flags.
2729         (get_arch_name_from_id): Rename to...
2730         (get_arch_from_id): ...This, change return type.
2731         (host_detect_local_cpu): Update and reformat for renames, handle
2732         extensions through common infrastructure.
2734 2016-04-11  James Greenhalgh  <james.greenhalgh@arm.com>
2736         PR target/70133
2737         * config/aarch64/aarch64-common.c (aarch64_option_extension): Keep
2738         track of a canonical flag name.
2739         (all_extensions): Likewise.
2740         (arch_to_arch_name): Also track extension flags enabled by the arch.
2741         (all_architectures): Likewise.
2742         (aarch64_parse_extension): Move to here.
2743         (aarch64_get_extension_string_for_isa_flags): Take a new argument,
2744         rework.
2745         (aarch64_rewrite_selected_cpu): Update for above change.
2746         * config/aarch64/aarch64-option-extensions.def: Rework the way flags
2747         are handled, such that the single explicit value enabled by an
2748         extension is kept seperate from the implicit values it also enables.
2749         * config/aarch64/aarch64-protos.h (aarch64_parse_opt_result): Move
2750         to here.
2751         (aarch64_parse_extension): New.
2752         * config/aarch64/aarch64.c (aarch64_parse_opt_result): Move from
2753         here to config/aarch64/aarch64-protos.h.
2754         (aarch64_parse_extension): Move from here to
2755         common/config/aarch64/aarch64-common.c.
2756         (aarch64_option_print): Update.
2757         (aarch64_declare_function_name): Likewise.
2758         (aarch64_start_file): Likewise.
2759         * config/aarch64/driver-aarch64.c (arch_extension): Keep track of
2760         the canonical flag for extensions.
2761         * config.gcc (aarch64*-*-*): Extend regex for capturing extension
2762         flags.
2764 2016-04-11  James Greenhalgh  <james.greenhalgh@arm.com>
2766         * config/aarch64/aarch64.h (AARCH64_FL_FOR_ARCH8_1): Also add
2767         AARCH64_FL_CRC.
2769 2016-04-09  Tom de Vries  <tom@codesourcery.com>
2771         PR tree-optimization/68953
2772         * graphite-sese-to-poly.c (pdr_add_memory_accesses): Order accesses from
2773         first to last subscript.
2775 2016-04-09  Jakub Jelinek  <jakub@redhat.com>
2777         PR tree-optimization/70586
2778         * tree-ssa-ifcombine.c (bb_no_side_effects_p): Return false
2779         for any calls.
2781 2016-04-08  Cesar Philippidis  <cesar@codesourcery.com>
2783         PR lto/70289
2784         PR ipa/70348
2785         PR tree-optimization/70373
2786         PR middle-end/70533
2787         PR middle-end/70534
2788         PR middle-end/70535
2789         * gimplify.c (gimplify_adjust_omp_clauses): Add or adjust data
2790         clauses for acc parallel reductions as necessary.  Error on those
2791         that are private.
2792         * omp-low.c (scan_sharing_clauses): Don't install variables which
2793         are used in acc parallel reductions.
2794         (lower_rec_input_clauses): Remove dead code.
2795         (lower_oacc_reductions): Add support for reference reductions.
2796         (lower_reduction_clauses): Remove dead code.
2797         (lower_omp_target): Don't remap variables appearing in acc parallel
2798         reductions.
2799         * tree.h (OMP_CLAUSE_MAP_IN_REDUCTION): New macro.
2801 2016-04-08  Jakub Jelinek  <jakub@redhat.com>
2803         PR middle-end/70593
2804         * tree-ssa-coalesce.c (build_ssa_conflict_graph): For stmt
2805         with multiple SSA_NAME defs, force the outputs other than first
2806         to be live before calling live_track_process_def on each output.
2808         PR rtl-optimization/70574
2809         * fwprop.c (forward_propagate_and_simplify): Don't add
2810         REG_EQUAL note if DF_REF_REG (use) is a paradoxical subreg.
2811         (try_fwprop_subst): Don't add REG_EQUAL note if there are any
2812         paradoxical subregs within *loc.
2814 2016-04-08  Thomas Schwinge  <thomas@codesourcery.com>
2816         * config/arc/arc.h (LINK_COMMAND_SPEC): Use gt to ignore
2817         -ftree-parallelize-loops={0,1}.
2818         * config/darwin.h (LINK_COMMAND_SPEC_A): Likewise.
2819         * config/i386/mingw32.h (GOMP_SELF_SPECS): Likewise.
2820         * config/ia64/hpux.h (LIB_SPEC): Likewise.
2821         * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
2822         * config/pa/pa64-hpux.h (LIB_SPEC): Likewise.
2824 2016-04-08  Maxim Ostapenko  <m.ostapenko@samsung.com>
2826         PR sanitizer/70541
2827         * asan.c (instrument_derefs): If we get unknown location, extract it
2828         with EXPR_LOCATION.
2829         (maybe_instrument_call): Instrument gimple_call's arguments if needed.
2831 2016-04-08  Tom de Vries  <tom@codesourcery.com>
2833         * omp-low.c (lower_omp_target): Set TREE_NO_WARNING for oacc
2834         implicit firstprivate clause.
2836 2016-04-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2838         PR target/70566
2839         * config/arm/thumb2.md (tst + branch-> lsls + branch
2840         peephole below *orsi_not_shiftsi_si): Require that condition
2841         register is dead after the peephole.
2842         (second peephole after the above): Likewise.
2844 2016-04-08  Alan Modra  <amodra@gmail.com>
2846         PR target/70117
2847         * builtins.c (fold_builtin_classify): For IBM extended precision,
2848         look at just the high-order double to test for NaN.
2849         (fold_builtin_interclass_mathfn): Similarly for Inf.  For isnormal
2850         test just the high double for Inf but both doubles for subnormal
2851         limit.
2853 2016-04-07  Jakub Jelinek  <jakub@redhat.com>
2855         * cgraph.h (struct cgraph_simd_clone): Add mask_mode field.
2856         * omp-low.c (simd_clone_init_simd_arrays, simd_clone_adjust): Handle
2857         node->simdclone->mask_mode != VOIDmode masks.
2858         (simd_clone_adjust_argument_types): Likewise.  Move sc var definition
2859         earlier, use it instead of node->simdclone.
2860         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
2861         Set clonei->mask_mode.
2863 2016-04-06  Patrick Palka  <ppalka@gcc.gnu.org>
2865         PR c/70436
2866         * parser.c (cp_parser_iteration_statement): New parameter IF_P.
2867         Pass it through to cp_parser_already_scoped_statement.
2868         (cp_parser_already_scoped_statement): New parameter IF_P.  Pass
2869         it through to cp_parser_statement.
2870         (cp_parser_statement): Pass IF_P through to
2871         cp_parser_iteration_statement.
2872         (cp_parser_pragma): Adjust call to
2873         cp_parser_iteration_statement.
2875 2016-04-06  Patrick Palka  <ppalka@gcc.gnu.org>
2877         PR c/70436
2878         * gimplify.c (gimplify_omp_ordered): Add explicit braces to
2879         resolve a future -Wparentheses warning.
2880         * omp-low.c (scan_sharing_clauses): Likewise.
2881         * tree-parloops.c (eliminate_local_variables): Likewise.
2883 2016-04-06  Vladimir Makarov  <vmakarov@redhat.com>
2885         PR rtl-optimization/70398
2886         * lra-constraints.c (process_address_1): Check zero scale and code
2887         for reloading with zero scale.
2889 2016-04-06  Uros Bizjak  <ubizjak@gmail.com>
2891         * config/i386/sse.md (shuffletype): Add V32HI and V4TI modes.
2892         (ssescalarsize): Add V8SF, V4SF, V4DF and V2DF modes.
2894 2016-04-06  Jakub Jelinek  <jakub@redhat.com>
2896         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
2897         Add support for AVX512F clones, include them by default for
2898         exported OpenMP declare simd functions.  For AVX2 allow simdlen 32
2899         and use it if charasteric type is 8-bit, for AVX512F allow simdlen
2900         up to 128.
2902         PR middle-end/70550
2903         * tree.h (OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT): Define.
2904         * gimplify.c (gimplify_adjust_omp_clauses_1): Set it for implicit
2905         firstprivate clauses.
2906         * omp-low.c (lower_send_clauses): Set TREE_NO_WARNING for
2907         OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT !by_ref vars in task contexts.
2908         (lower_omp_target): Set TREE_NO_WARNING for
2909         non-addressable possibly uninitialized vars which are copied into
2910         addressable temporaries or copied for GOMP_MAP_FIRSTPRIVATE_INT.
2912 2016-04-05  John David Anglin  <danglin@gcc.gnu.org>
2914         * config/pa/predicates.md (integer_store_memory_operand): Accept
2915         REG+D operands with a large offset when reload_in_progress is true.
2916         (floating_point_store_memory_operand): Likewise.
2918 2016-04-05  Jakub Jelinek  <jakub@redhat.com>
2920         PR c++/70336
2921         * match.pd (nested int casts): Limit to GIMPLE.
2923 2016-04-05  Jan Hubicka  <hubicka@ucw.cz>
2925         PR ipa/66223
2926         * ipa-devirt.c (maybe_record_node): Fix comment; use
2927         SANITIZE_UNREACHABLE instead of SANITIZE_UNDEFINED.
2929 2016-04-05  Jakub Jelinek  <jakub@redhat.com>
2931         PR rtl-optimization/70542
2932         * ree.c (add_removable_extension): For VECTOR_MODE_P punt
2933         if there are any uses other than insn or debug insns.
2935 2016-04-05  Marc Glisse  <marc.glisse@inria.fr>
2936             Jakub Jelinek  <jakub@redhat.com>
2938         PR tree-optimization/70509
2939         * simplify-rtx.c (simplify_binary_operation_1) <case VEC_SELECT>:
2940         Shift HOST_WIDE_INT_1U instead of 1.
2942 2016-04-05  Zdenek Sojka  <zsojka@seznam.cz>
2944         PR tree-optimization/70509
2945         * tree-ssa-forwprop.c (simplify_bitfield_ref): Use bitsize_int instead
2946         of the vector base type for index.
2948 2016-04-05  Uros Bizjak  <ubizjak@gmail.com>
2950         PR target/70510
2951         * config/i386/sse.md (iptr): Add V64QI, V32HI, V16SI and V8DI modes.
2953 2016-04-05  Richard Biener  <rguenther@suse.de>
2955         PR tree-optimization/70526
2956         * tree-sra.c (build_ref_for_offset): Use prev_base to
2957         extract the alias pointer type.
2959 2016-04-05  Richard Biener  <rguenther@suse.de>
2961         * dse.c (struct store_info): Remove alias_set member.
2962         (struct read_info_type): Likewise.
2963         (clear_alias_group, clear_alias_mode_table, clear_alias_mode_holder,
2964         spill_deleted, clear_alias_set_lookup): Remove.
2965         (get_group_info): Remove dead base == NULL_RTX case.
2966         (dse_step0): Remove initialization of removed variables.
2967         (delete_dead_store_insn): Reomve alias set dumping.
2968         (free_read_records): Remove alias_set handling.
2969         (canon_address): Remove alias_set_out parameter.
2970         (record_store): Remove spill_alias_set, it's always zero.
2971         (check_mem_read_rtx): Likewise.
2972         (dse_step2): Rename from ...
2973         (dse_step2_nospill): ... this.  Adjust.
2974         (scan_stores): Rename from ...
2975         (scan_stores_nospill): ... this.
2976         (scan_reads): Rename from ...
2977         (scan_reads_nospill): ... this.
2978         (scan_stores_spill, scan_reads_spill): Remove.
2979         (dse_step3_scan): Remove for_spills argument which is always false.
2980         (dse_step3): Likewise.
2981         (dse_step5): Rename from ...
2982         (dse_step5_nospill): ... this.  Remove alias_set handling.
2983         (rest_of_handle_dse): Adjust.
2985 2016-04-05  Jakub Jelinek  <jakub@redhat.com>
2987         PR target/70525
2988         * config/i386/sse.md (*andnot<mode>3): Simplify assertions.
2989         Use vpandn<ssemodesuffix> for V16SI/V8DImode, vpandnq for
2990         V32HI/V64QImode, don't use <mask_operand3_1>, fix up formatting.
2991         (*andnot<mode>3_mask): Remove insn with VI12_AVX512VL iterator.
2993 2016-04-05  Richard Biener  <rguenther@suse.de>
2995         PR middle-end/70499
2996         * gimplify-me.c (gimple_regimplify_operands): Do not rewrite
2997         non-register type temporaries into SSA.
2999 2016-04-04  Jan Hubicka  <hubicka@ucw.cz>
3001         PR ipa/66223
3002         * ipa-devirt.c (maybe_record_node): Do not optimize cxa_pure_virtual
3003         calls when sanitizing.
3004         (possible_polymorphic_call_target_p): Fix formatting.
3006 2016-04-04  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3007             Jakub Jelinek <jakub@redhat.com>
3009         PR middle-end/70457
3010         * tree-inline.c (estimate_num_insn): Use gimple_call_builtin_p
3011         to ensure a call statement is compatible with a built-in's
3012         prototype.
3013         * tree-ssa-math-opts.c (pass_optimize_windening_mul::execute):
3014         Likewise.
3016 2016-04-04  Richard Biener  <rguenther@suse.de>
3018         PR rtl-optimization/70484
3019         * rtl.h (canon_output_dependence): Declare.
3020         * alias.c (canon_output_dependence): New function.
3021         * dse.c (record_store): Use canon_output_dependence rather
3022         than canon_true_dependence.
3024 2016-03-30  Jan Hubicka  <hubicka@ucw.cz>
3026         PR ipa/68881
3027         * cgraph.h (symtab_node::copy_visibility_from): New function.
3028         * symtab.c (symtab_node::copy_visibility_from): New function.
3029         * ipa-visibility.c (optimize_weakref): New function.
3030         (function_and_variable_visibility): Use it.
3032 2016-04-04  Martin Liska  <mliska@suse.cz>
3034         PR hsa/70402
3035         * hsa-gen.c (gen_hsa_insns_for_switch_stmt): Guard index
3036         value that is really in range handled by SBR instruction.
3037         * hsa-brig.c (emit_switch_insn): Do not emit unconditional jump.
3038         * hsa-dump.c (dump_hsa_insn_1): Do not dump default BB.
3039         * hsa.h (hsa_insn_sbr::m_default_bb): Remove field.
3041 2016-04-03  Oleg Endo  <olegendo@gcc.gnu.org>
3043         PR target/70416
3044         PR target/67391
3045         * config/sh/sh.md (*addsi3): Allow pattern when reload_in_progress is
3046         set, but not for SP_REG operands.
3048 2016-04-02  Martin Sebor  <msebor@redhat.com>
3050         PR c++/67376
3051         * fold-const.c (maybe_nonzero_address): New function.
3052         (fold_comparison): Call it.  Fold equality and relational
3053         expressions involving null pointers.
3054         (tree_single_nonzero_warnv_p): Call maybe_nonzero_address.
3056 2016-03-31  Evandro Menezes  <e.menezes@samsung.com>
3058         Fix the predicate "aarch64_simd_reg_or_zero" to correctly validate
3059         the "Y" constraint (scalar FP 0.0 immediate).
3061         * gcc/config/aarch64/predicates.md (aarch64_simd_reg_or_zero):
3062         Add the "const_double" to the list of operand constraints.
3064 2016-04-01  Jakub Jelinek  <jakub@redhat.com>
3066         PR rtl-optimization/70467
3067         * config/i386/i386.md (*add<dwi>3_doubleword, *sub<dwi>3_doubleword):
3068         If low word of the last operand is 0, just emit addition/subtraction
3069         for the high word.
3071 2016-04-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
3073         PR target/70404
3074         * config/s390/s390.c (s390_expand_insv): Check for everything
3075         constant instead of just VOIDmode stuff.
3077 2016-04-01  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3079         PR target/70496
3080         * config/arm/arm.h (ASM_APP_OFF): Handle TARGET_ARM and TARGET_THUMB.
3082 2016-04-01  Nathan Sidwell  <nathan@acm.org>
3084         * tree.def (TRY_CATCH_EXPR): Correct documentation.
3086 2016-03-31  Vladimir Makarov  <vmakarov@redhat.com>
3088         PR rtl-optimization/70461
3089         * ira-color.c (allocno_copy_cost_saving): Use allocno class if it
3090         is necessary.
3092 2016-03-31  Martin Liska  <mliska@suse.cz>
3094         PR hsa/70399
3095         * hsa-brig.c (hsa_op_immed::emit_to_buffer): Emit either
3096         a tree value or an immediate integer value to a buffer
3097         that is eventually copied to a BRIG section.
3098         (emit_immediate_operand): Call the function here.
3099         * hsa-dump.c (dump_hsa_immed): Remove checking assert.
3100         * hsa-gen.c (hsa_op_immed::hsa_op_immed): Remove initialization
3101         of class' fields that are removed.
3102         (hsa_op_immed::~hsa_op_immed): Remove deinitialization.
3103         * hsa.h (class hsa_op_immed): Remove m_brig_repr and
3104         m_brig_repr_size fields.
3106 2016-03-31  Martin Liska  <mliska@suse.cz>
3108         PR hsa/70391
3109         * hsa-gen.c (hsa_function_representation::update_dominance): New
3110         function.
3111         (convert_addr_to_flat_segment): Likewise.
3112         (gen_hsa_memory_set): New alignment argument.
3113         (gen_hsa_ctor_assignment): Likewise.
3114         (gen_hsa_insns_for_single_assignment): Provide alignment
3115         to gen_hsa_ctor_assignment.
3116         (gen_hsa_insns_for_direct_call): Add new argument.
3117         (expand_lhs_of_string_op): New function.
3118         (expand_string_operation_builtin): Likewise.
3119         (expand_memory_copy): New function.
3120         (expand_memory_set): New function.
3121         (gen_hsa_insns_for_call): Use HOST_WIDE_INT.
3122         (convert_switch_statements): Change signature.
3123         (generate_hsa): Use a return value of the function.
3124         (pass_gen_hsail::execute): Do not call
3125         convert_switch_statements here.
3126         * hsa-regalloc.c (hsa_regalloc): Call update_dominance.
3127         * hsa.h (hsa_function_representation::m_modified_cfg): New flag.
3128         (hsa_function_representation::update_dominance): New function.
3130 2016-03-31  Martin Liska  <mliska@suse.cz>
3132         PR hsa/70391
3133         * hsa-brig.c (emit_directive_variable): Emit alignment
3134         according to hsa_symbol::m_align.
3135         * hsa-dump.c (hsa_byte_alignment): Move the function to another file.
3136         (dump_hsa_symbol): Dump alignment of HSA symbols.
3137         * hsa-gen.c (get_symbol_for_decl): Set-up alignment of a symbol.
3138         (gen_hsa_addr_with_align): New function.
3139         (hsa_bitmemref_alignment): Use newly added function.
3140         (gen_hsa_insns_for_load): Likewise.
3141         (gen_hsa_insns_for_store): Likewise.
3142         (gen_hsa_memory_copy): New argument added.
3143         (gen_hsa_insns_for_single_assignment): Respect
3144         alignment for assignments processed via gen_hsa_memory_copy.
3145         (gen_hsa_insns_for_direct_call): Likewise.
3146         (gen_hsa_insns_for_return): Likewise.
3147         (gen_function_def_parameters): Set default alignment.
3148         * hsa.c (hsa_object_alignment): New function.
3149         (hsa_byte_alignment): Pasted function.
3150         * hsa.h (hsa_symbol::m_align): New field.
3152 2016-03-31  Bin Cheng  <bin.cheng@arm.com>
3154         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Initialize
3155         scratch field for goto case.
3157 2016-03-31  James Greenhalgh  <james.greenhalgh@arm.com>
3159         * config/arm/linux-elf.h (ASM_OUTPUT_DEF): Delete.
3161 2016-03-31  Ilya Enkovich  <enkovich.gnu@gmail.com>
3163         PR target/70442
3164         * config/i386/i386.c (scalar_chain::convert_op): Fix description.
3165         (scalar_chain::convert_insn): Call convert_op for reg
3166         moves to handle undefined registers.
3168 2016-03-31  Nathan Sidwell  <nathan@acm.org>
3170         PR c++/70393
3171         * varasm.c (output_constructor_regular_field): Flush bitfield earlier.
3172         Assert we don't want to move backwards.
3174 2016-03-31  Kirill Yukhin  <kirill.yukhin@intel.com>
3176         PR target/70453
3177         * config/i386/sse.md (define_mode_attr shuffletype): Fix typo.
3179 2016-03-31  Jakub Jelinek  <jakub@redhat.com>
3181         PR rtl-optimization/70460
3182         * ira.c (indirect_jump_optimize): Don't substitute LABEL_REF
3183         with operand from REG_LABEL_OPERAND, instead substitute
3184         SET_SRC or REG_EQUAL note content if it is a LABEL_REF.
3185         Don't do anything for REG_NON_LOCAL_GOTO jumps.
3187 2016-03-31  Martin Liska  <mliska@suse.cz>
3189         * passes.c (execute_one_pass): Do not call
3190         todo_after for a discarded function.
3192 2016-03-31  Bin Cheng  <bin.cheng@arm.com>
3194         * tree-ssa-loop-ivopts.c (struct comp_cost): New scrach field.
3195         (no_cost, infinite_cost): Initialize the new field.
3196         (get_computation_cost_at): Record setup cost.
3197         (determine_use_iv_cost_address): Skip cost computation for sub
3198         uses if we can estimate it without losing accuracy.
3200 2016-03-30  Jan Hubicka  <hubicka@ucw.cz>
3202         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can't get realistic
3203         estimates here.
3204         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
3205         max_loop_iterations_int.
3206         (tree_unswitch_outer_loop): Likewise.
3207         * tree-ssa-loop-ivopts.c (avg_loop_niter): Likewise.
3208         * tree-vect-loop.c (vect_analyze_loop_2): Likewise.
3210 2016-03-30  Richard Biener  <rguenther@suse.de>
3212         PR middle-end/70450
3213         * fold-const.c (extract_muldiv_1): Fix thinko in wide_int::from usage.
3215 2016-03-30  Jakub Jelinek  <jakub@redhat.com>
3217         PR target/70421
3218         * config/i386/i386.c (ix86_expand_vector_set): Fix up argument order
3219         in gen_blendm expander.
3221 2016-03-30  Nick Clifton  <nickc@redhat.com>
3223         PR target/62254
3224         * config/arm/arm.c (arm_reload_out_hi): Add code to handle the
3225         case where we are already provided with an SImode SUBREG.
3227 2016-03-30  H.J. Lu  <hongjiu.lu@intel.com>
3229         PR target/70439
3230         * config/i386/i386.c (ix86_expand_epilogue): Properly check
3231         conflict between DRAP register and __builtin_eh_return.
3233 2016-03-30  Michael Matz  <matz@suse.de>
3234             Richard Biener  <rguenther@suse.de>
3236         PR ipa/12392
3237         * ipa-polymorphic-call.c (struct type_change_info): Change
3238         speculative to an unsigned allowing to limit the work we do.
3239         (csftc_abort_walking_p): New inline function..
3240         (check_stmt_for_type_change): Limit the number of may-defs
3241         skipped for speculative devirtualization to
3242         max-speculative-devirt-maydefs.
3243         * params.def (max-speculative-devirt-maydefs): New param.
3244         * doc/invoke.texi (--param max-speculative-devirt-maydefs): Document.
3246 2016-03-30  Mike Stump  <mrs@gcc.gnu.org>
3248         PR target/63890
3249         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Use when profiling
3250         and TARGET_MACHO.
3252 2016-03-30  Patrick Palka  <ppalka@gcc.gnu.org>
3254         PR tree-optimization/59124
3255         * tree-vrp.c (register_edge_assert_for_2): For NAME != CST1
3256         where NAME = A +- CST2 add the assertion A != (CST1 -+ CST2).
3258 2016-03-29  Jeff Law  <law@redhat.com>
3260         * tree-ssa-coalesce.c (struct ssa_conflicts): Fix typo in comment.
3262 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
3264         * tree-ssa-loop-ivcanon.c (try_peel_loop): Change type of peel
3265         to HOST_WIDE_INT.
3267 2016-03-29  Thomas Schwinge  <thomas@codesourcery.com>
3269         * config/gnu.h (CPP_SPEC, LIB_SPEC): Don't override.
3270         * config/i386/gnu.h (STARTFILE_SPEC): Use gcrt1.o instead of
3271         gcrt0.o if linking dynamically.
3273 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
3275         PR ipa/70283
3276         * ipa-devirt.c (methods_equal_p): New function.
3277         (compare_virtual_tables): Use it.
3278         * cgraph.h (symbol_table::symbol_suffix_separator): Declare.
3279         * cgraphclones.c (clone_function_name_1): Use
3280         symbol_table::symbol_suffix_separator.
3281         * coverage.c (build_var): Likewise.
3282         * symtab.c (symbol_table::symbol_suffix_separator): New.
3284 2016-03-29  Jakub Jelinek  <jakub@redhat.com>
3286         PR rtl-optimization/70429
3287         * combine.c (simplify_shift_const_1): For ASHIFTRT don't optimize
3288         (cst1 >> count) >> cst2 into (cst1 >> cst2) >> count if
3289         mode != result_mode.
3291         PR c++/70353
3292         * tree-inline.c (remap_decls): Don't add_local_decl if cfun is null.
3294         PR tree-optimization/70405
3295         * ssa-iterators.h (num_imm_uses): Add missing braces.
3297 2016-03-29  Vladimir Makarov  <vmakarov@redhat.com>
3299         PR rtl-optimization/68695
3300         * ira-color.c (allocno_copy_cost_saving): New.
3301         (improve_allocation): Use it.
3303 2016-03-29  Richard Henderson  <rth@redhat.com>
3305         PR middle-end/70355
3306         * lower-subreg.c (simplify_subreg_concatn): Reject paradoxical subregs.
3308 2016-03-29  Richard Biener  <rguenther@suse.de>
3310         PR middle-end/70424
3311         * ipa-prop.c (ipa_compute_jump_functions_for_edge): Always
3312         use alignment returned by get_pointer_alignment_1 if it is
3313         bigger than BITS_PER_UNIT.
3314         * builtins.c (get_pointer_alignment_1): Do not return true
3315         for alignment extracted from SSA info.
3317 2016-03-28  James Bowman  <james.bowman@ftdichip.com>
3319         * config/ft32/ft32.opt (mnodiv): New.
3320         * config/ft32/ft32.md (*divsi3, *modsi3): Qualify with TARGET_NODIV.
3321         * doc/invoke.texi (FT32 Options -mnodiv): New.
3323 2016-03-28  Kirill Yukhin  <kirill.yukhin@intel.com>
3325         PR target/70406
3326         * config/i386/i386.md (define_split, andn): Fix modes.
3328 2016-03-26  Richard Biener  <rguenther@suse.de>
3329             Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
3331         PR ipa/70366
3332         * ipa-inline-transform.c (inline_call): Pass opts_for_fn (to->decl)
3333         instead of
3334         TREE_OPTIMIZATION (DECL_FUNCTION_SPECIFIC_OPTIMIZATION (to->decl))
3335         as 2nd argument to cl_optimization_restore().
3337 2016-03-25  Richard Henderson  <rth@redhat.com>
3339         PR target/70120
3340         * config/aarch64/aarch64.c (aarch64_asm_output_pool_epilogue): New.
3341         * config/aarch64/aarch64-protos.h: Declare it.
3342         * config/aarch64/aarch64.h (ASM_OUTPUT_POOL_EPILOGUE): New.
3344 2016-03-25  Alan Modra  <amodra@gmail.com>
3346         PR target/70052
3347         * config/rs6000/constraints.md (j): Simplify.
3348         * config/rs6000/predicates.md (easy_fp_constant): Exclude
3349         decimal float 0.D.
3350         * config/rs6000/rs6000.md (zero_fp): New mode_attr.
3351         (mov<mode>_hardfloat, mov<mode>_hardfloat32, mov<mode>_hardfloat64,
3352          mov<mode>_64bit_dm, mov<mode>_32bit): Use zero_fp in place of j
3353         in all constraint alternatives.
3354         (movtd_64bit_nodm): Delete "j" constraint alternative.
3356 2016-03-24  Aldy Hernandez  <aldyh@redhat.com>
3358         * tree-ssa-propagate.c: Enhance docs for
3359         SSA_PROP_NOT_INTERESTING.
3361 2016-03-24  Aldy Hernandez  <aldyh@redhat.com>
3363         * doc/extend.texi: Fix typo in documentation to pure attribute.
3365 2016-03-24  John David Anglin  <danglin@gcc.gnu.org>
3367         PR target/70319
3368         * config/pa/pa.md (bswapdi2): Use a scratch register.
3370 2016-03-24  Richard Henderson  <rth@redhat.com>
3372         PR middle-end/69845
3373         * fold-const.c (extract_muldiv_1): Correct test for multiplication
3374         overflow.
3376 2016-03-24  Uros Bizjak  <ubizjak@gmail.com>
3378         * config/i386/i386.md (*anddi3_doubleword): Generate AND insn
3379         using ix86_expand_binary_operator instead of gen_andsi3.
3381 2016-03-24  Richard Biener  <rguenther@suse.de>
3383         PR tree-optimization/70396
3384         * tree-vect-stmts.c (vectorizable_comparison): Use
3385         get_vectype_for_scalar_type.
3387 2016-03-24  Richard Biener  <rguenther@suse.de>
3389         PR middle-end/70370
3390         * gimplify.c (gimplify_asm_expr): Handle !allows_mem outputs
3391         with register bases.
3393 2016-03-24  Richard Biener  <rguenther@suse.de>
3395         PR tree-optimization/70372
3396         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Use
3397         build_all_ones_cst to also handle vector types correctly.
3399 2016-03-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
3401         PR target/70381
3402         * config/rs6000/rs6000-cpus.def (ISA_2_6_MASKS_SERVER): Do not set
3403         -mfloat128 here.
3405 2016-03-23  Marek Polacek  <polacek@redhat.com>
3407         PR c++/69884
3408         * doc/invoke.texi: Document -Wignored-attributes.
3410 2016-03-23  Bin Cheng  <bin.cheng@arm.com>
3412         PR tree-optimization/69042
3413         * params.def (PARAM_IV_CONSIDER_ALL_CANDIDATES_BOUND): Increase the
3414         parameter from 30 to 40.
3416 2016-03-23  Bin Cheng  <bin.cheng@arm.com>
3418         PR tree-optimization/69042
3419         * tree-ssa-loop-ivopts.c (add_iv_candidate_for_use): Add IV cand
3420         for use with constant offset stripped in base.
3422 2016-03-23  Richard Biener  <rguenther@suse.de>
3424         PR middle-end/70251
3425         * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Adjust
3426         mode compatibility check.
3427         (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
3429 2016-03-23  Jeff Law  <law@redhat.com>
3431         PR tree-optimization/64058
3432         * tree-ssa-coalesce.c (struct coalesce_pair): Add new field
3433         CONFLICT_COUNT.
3434         (struct ssa_conflicts): Move up earlier in the file.
3435         (conflicts_, var_map_): New static variables.
3436         (initialize_conflict_count): New function to initialize the
3437         CONFLICT_COUNT field for each conflict pair.
3438         (compare_pairs): Lazily initialize the conflict count and use it
3439         as the first tie-breaker.
3440         (sort_coalesce_list): Add new arguments conflicts, map.  Initialize
3441         and wipe conflicts_ and map_ around the call to qsort.  Remove
3442         special case for 2 coalesce pairs.
3443         * bitmap.c (bitmap_count_unique_bits): New function.
3444         (bitmap_count_bits_in_word): New function, extracted from
3445         bitmap_count_bits.
3446         (bitmap_count_bits): Use bitmap_count_bits_in_word.
3447         * bitmap.h (bitmap_count_unique_bits): Declare it.
3449 2016-03-23  Ilya Enkovich  <enkovich.gnu@gmail.com>
3451         PR target/69917
3452         * config/i386/sol2.h (ASM_OUTPUT_DEF_FROM_DECLS): Follow
3453         transparent alias chain for decl assembler name.
3454         * config/sol2.c (solaris_assemble_visibility): Likewise.
3456 2016-03-23  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3458         * config/arm/arm1020e.md (1020call_op): Reduce reservation
3459         duration.
3460         (v10_fdivs): Likewise.
3461         (v10_fdivd): Likewise.
3463 2016-03-23  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3465         PR driver/70132
3466         * config/arm/driver-arm.c (host_detect_local_cpu): Reorder exit logic
3467         to not call fclose twice on file.
3469 2016-03-23  Jakub Jelinek  <jakub@redhat.com>
3471         PR tree-optimization/70354
3472         * tree-vect-patterns.c (vect_recog_vector_vector_shift_pattern): If
3473         oprnd0 is wider than oprnd1 and there is a cast from the wider
3474         type to oprnd1, mask it with the mask of the narrower type.
3476         PR target/70321
3477         * config/i386/i386.md (*anddi3_doubleword, *<code>di3_doubleword):
3478         Optimize TARGET_STV splitters, if high or low word of last argument
3479         is 0 or -1.
3481 2016-03-22  Jeff Law  <law@redhat.com>
3483         PR target/70232
3484         tree-ssa-threadbackward.c
3485         (fsm_find_control_statement_thread_paths): Correctly distinguish
3486         between old style jump threads vs FSM jump threads.
3488 2016-03-22  Ilya Enkovich  <enkovich.gnu@gmail.com>
3490         PR target/70302
3491         * config/i386/i386.c (scalar_chain::convert_op): Support
3492         uninitialized register usage case.
3494 2016-03-22  Richard Biener  <rguenther@suse.de>
3496         PR middle-end/70251
3497         * genmatch.c (gen_transform): Adjust last parameter to a three-state
3498         int...
3499         (capture::gen_transform): ... to change behavior when substituting
3500         a condition into cond or not-cond expr context.
3501         (dt_simplify::gen_1): Adjust.
3502         * gimple-match-head.c: Include gimplify.h for unshare_expr.
3503         * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Revert
3504         last change and instead change to
3505         A + (B vcmp C ? 1 : 0) -> A - (B vcmp C ? -1 : 0).
3506         (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
3508 2016-03-22  Anthony Green  <green@moxielogic.com>
3510         * config/moxie/moxiebox.h (CC1_SPEC): Define.  Fix endianness
3511         issue for moxiebox targets.
3512         (CC1PLUS_SPEC): Ditto.
3514 2016-03-22  Richard Biener  <rguenther@suse.de>
3516         PR middle-end/70333
3517         * fold-const.c (extract_muldiv_1): Properly perform multiplication
3518         in the wide type.
3520 2016-03-22  Kirill Yukhin  <kirill.yukhin@intel.com>
3522         * config/i386/i386.c (def_builtin): Remove duplicated functionality.
3524 2016-03-22  Kirill Yukhin  <kirill.yukhin@intel.com>
3526         PR target/70325
3527         * config/i386/i386.c (def_builtin): Handle
3528         OPTION_MASK_ISA_AVX512VL to be and-ed with other
3529         bits.
3530         (const struct builtin_description bdesc_special_args[]):
3531         Remove duplicate ISA bits.
3533 2016-03-22  Jakub Jelinek  <jakub@redhat.com>
3535         PR target/70329
3536         * config/i386/i386.c (ix86_expand_vecop_qihi): Don't bother computing
3537         d.perm[i] for i >= d.nelt.  If not full_interleave, compute d.perm[i]
3538         in a way that works also for AVX512BW.
3540         PR target/70300
3541         * config/i386/i386.md (cvtsd2ss splitter): Unpack in destination
3542         instead of source if operands[1] is xmm16 and above and
3543         !TARGET_AVX512VL.  Use avx512f_vec_dupv16sf_1 instead of
3544         vec_interleave_lowv4sf if we need to unpack xmm16 and above.
3546         PR c++/70295
3547         * gimplify.c (gimplify_modify_expr): Call gimple_set_no_warning
3548         on assign if (*from_p) is a comparison, set it to
3549         TREE_NO_WARNING (*from_p).
3551 2016-03-21  Jakub Jelinek  <jakub@redhat.com>
3553         PR middle-end/70326
3554         * lra.c (restore_scratches): Ignore deleted insns.
3556 2016-03-21  Marc Glisse  <marc.glisse@inria.fr>
3557             Jakub Jelinek  <jakub@redhat.com>
3559         PR tree-optimization/70317
3560         * match.pd (cmp @0 @0): Pass @0 instead of TYPE_MODE (TREE_TYPE (@0))
3561         to HONOR_NANS.
3563 2016-03-21  Uros Bizjak  <ubizjak@gmail.com>
3565         PR target/70327
3566         * config/i386/i386.md (movxi): Use ix86_expand_vector_move instead
3567         of ix86_expand_move.
3568         (movoi): Ditto.
3569         (movti): Use general_operand for operand 1 predicate.
3571 2016-03-21  Martin Liska  <mliska@suse.cz>
3573         * hsa-dump.c (dump_hsa_insn_1): dump default branch of SBR
3574         insns.
3575         (dump_hsa_symbol): Dump BRIG offset of hsa_symbols.
3577 2016-03-21  Martin Liska  <mliska@suse.cz>
3579         PR ipa/70306
3580         * ipa-icf.c (sem_function::parse): Skip static
3581         constructors and destructors.
3583 2016-03-21  Jakub Jelinek  <jakub@redhat.com>
3585         PR target/70296
3586         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If IDENT is
3587         function-like macro, peek following token(s) if it is followed
3588         by CPP_OPEN_PAREN token with optional padding in between, and
3589         if not, don't treat it like a macro.
3591 2016-03-21  Thomas Schwinge  <thomas@codesourcery.com>
3592             Alexander Monakov  <amonakov@ispras.ru>
3594         * config/nvptx/nvptx.c (nvptx_option_override): Don't emit sorry
3595         for the stabs debug format.
3597 2016-03-21  Richard Biener  <rguenther@suse.de>
3599         PR tree-optimization/70310
3600         * tree-vect-generic.c (expand_vector_condition): Fold the built
3601         condition.
3603 2016-03-21  Kirill Yukhin  <kirill.yukhin@intel.com>
3605         PR target/70293
3606         * config/i386/sse.md: (define_insn "*vec_dup<mode>"/AVX2):
3607         Block third alternative for AVX-512VL target,
3609 2016-03-21  Martin Liska  <mliska@suse.cz>
3611         PR hsa/70234
3612         * hsa-brig.c (emit_function_directives): Mark unemitted
3613         global variables for emission.
3614         * hsa-gen.c (hsa_symbol::hsa_symbol): Initialize a new flag.
3615         (get_symbol_for_decl): Likewise.
3616         * hsa.h (struct hsa_symbol): New flag.
3618 2016-03-21  Richard Biener  <rguenther@suse.de>
3620         PR tree-optimization/70288
3621         * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Make sure
3622         we do not estimate unsimplified all-constant conditionals or
3623         switches as optimized away.
3625 2016-03-21  Andrey Belevantsev  <abel@ispras.ru>
3627         PR rtl-optimization/69102
3628         * sched-deps.c (sched_analyze_insn): Do not set last_args_size field
3629         when we have a readonly dependency context.
3631 2016-03-18  Jeff Law  <law@redhat.com>
3633         PR rtl-optimization/70263
3634         * ira.c (memref_used_between_p): Assert we found END in the insn chain.
3635         (update_equiv_regs): When trying to move a store to after the insn
3636         that sets the source of the store, make sure the store occurs after
3637         the insn that sets the source of the store.  When successful note
3638         the REG_EQUIV note created in the dump file.
3640 2016-03-16  David Wohlferd  <dw@LimeGreenSocks.com>
3641             Bernd Schmidt  <bschmidt@redhat.com>
3643         * doc/extend.texi: Document more potential problems with basic asms.
3645 2016-03-18  Bernd Schmidt  <bschmidt@redhat.com>
3647         PR rtl-optimization/70278
3648         * lra-constraints.c (split_reg): Handle the case where biggest_mode is
3649         VOIDmode.
3651 2016-03-18  Jason Merrill  <jason@redhat.com>
3653         * calls.c (load_register_parameters): Fix zero size sibcall logic.
3655 2016-03-18  Kirill Yukhin  <kirill.yukhin@intel.com>
3657         * config/i386/sse.md: Use vpbroadcastq for broadcasting DF
3658         values to 128b regs.
3660 2016-03-18  Ilya Enkovich  <enkovich.gnu@gmail.com>
3662         PR tree-optimization/70252
3663         * tree-vect-stmts.c (supportable_widening_operation): Check resulting
3664         boolean vector has a proper number of elements.
3665         (supportable_narrowing_operation): Likewise.
3667 2016-03-18  Tom de Vries  <tom@codesourcery.com>
3669         PR ipa/70269
3670         * cgraph.c (cgraph_node::get_body): Set dump_file to NULL after save.
3672 2016-03-18  Jakub Jelinek  <jakub@redhat.com>
3674         * reload1.c (emit_input_reload_insns): Use simplify_replace_rtx
3675         instead of replace_rtx for DEBUG_INSNs.
3677 2016-03-18  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
3679         * config/i386/znver1.md : Fix latencies of FP/SSE/AVX
3680         load type reservations.
3682 2016-03-17  John David Anglin  <danglin@gcc.gnu.org>
3684         PR target/70188
3685         * config/pa/constraints.md: Revert 2015-02-13 change.  Use
3686         define_constraint for "Q" and "T" constraints.
3688 2016-03-17  Evandro Menezes  <e.menezes@samsung.com>
3690         Tweak the pipeline model for Exynos M1
3692         * config/aarch64/aarch64.c (exynosm1_tunings):  Enable weak prefetching
3693         model.
3695 2016-03-17  David Malcolm  <dmalcolm@redhat.com>
3697         PR c/70264
3698         * diagnostic-show-locus.c (compatible_locations_p): Handle the case
3699         where one or both locations aren't within a line_map.
3701 2016-03-17  H.J. Lu  <hongjiu.lu@intel.com>
3703         PR driver/70192
3704         * opts.c (finish_options): Don't set flag_pie to the default if
3705         -fpic, -fPIC, -fno-pic or -fno-PIC is used.  Set flag_pic to 0
3706         if it is -1.
3708 2016-03-17  Joern Rennecke  <joern.rennecke@embecosm.com>
3710         * config/i386/i386.md (*movv4qicc_insn+1..36): Pass
3711         true as ALL_REGS argument to replace_rtx.
3713 2016-03-17  Richard Biener  <rguenther@suse.de>
3715         PR debug/70271
3716         * dwarf2out.c (dwarf2out_early_finish): Process deferred_asm_name
3717         last.
3719 2016-03-17  Jakub Jelinek  <jakub@redhat.com>
3721         PR target/70245
3722         * rtl.h (replace_rtx): Add ALL_REGS argument.
3723         * rtlanal.c (replace_rtx): Likewise.  If true, use REGNO
3724         equality and assert mode is the same, instead of just rtx pointer
3725         equality.
3726         * config/i386/i386.md (mov + arithmetics with load peephole): Pass
3727         true as ALL_REGS argument to replace_rtx.
3729 2016-03-17  Ilya Enkovich  <enkovich.gnu@gmail.com>
3731         * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Apply
3732         for boolean vector with vector mode only.
3733         (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
3735 2016-03-17  Nick Clifton  <nickc@redhat.com>
3737         PR target/70162
3738         * config/rx/rx.c (rx_print_integer): Print negative constants in
3739         decimal.
3741 2016-03-17  Jakub Jelinek  <jakub@redhat.com>
3743         PR target/70261
3744         * rtlanal.c (replace_rtx): Revert 2016-03-16 change.
3746 2016-03-16  Richard Henderson  <rth@redhat.com>
3747             Richard Biener  <rguenth@suse.de>
3749         PR middle-end/70240
3750         PR middle-end/68215
3751         PR tree-opt/68714
3752         * gimplify.c (gimplify_expr) [VEC_COND_EXPR]: Gimplify the
3753         first operand as is_gimple_condexpr.
3755         PR middle-end/70240
3756         PR middle-end/68215
3757         Revert r231575
3758         2015-12-11  Eric Botcazou  <ebotcazou@adacore.com>
3759         * tree-vect-generic.c (tree_vec_extract): Remove GSI parameter.
3760         Do not gimplify the result.
3761         (do_unop): Adjust call to tree_vec_extract.
3762         (do_binop): Likewise.
3763         (do_compare): Likewise.
3764         (do_plus_minus): Likewise.
3765         (do_negate): Likewise.
3766         (expand_vector_condition): Likewise.
3767         (do_cond): Likewise.
3769 2016-03-16  Richard Henderson  <rth@redhat.com>
3771         PR target/70048
3772         * config/aarch64/aarch64.c (virt_or_elim_regno_p): New.
3773         (aarch64_classify_address): Use it.
3774         (aarch64_legitimize_address): Force all subexpressions of PLUS
3775         into registers.  Simplify as (sfp+const)+reg or (reg+reg)+const.
3777 2016-03-16  Jakub Jelinek  <jakub@redhat.com>
3778             Richard Biener  <rguenth@suse.de>
3780         PR target/70245
3781         * rtlanal.c (replace_rtx): For REG, if from is a REG,
3782         return to even if only REGNO is equal, and assert
3783         mode is the same.
3785 2016-03-11  Jeff Law  <law@redhat.com>
3787         PR rtl-optimization/70224
3788         * reorg.c (relax_delay_slots): Pass right argument to CROSSING_JUMP_P.
3790 2016-03-16  Richard Henderson  <rth@redhat.com>
3792         PR middle-end/70199
3793         * function.h (struct function): Add has_forced_label_in_static.
3794         * gimplify.c (force_labels_r): Set it.
3795         * lto-streamer-in.c (input_struct_function_base): Read it.
3796         * lto-streamer-out.c (output_struct_function_base): Write it.
3797         * tree-inline.c (has_label_address_in_static_1): Remove.
3798         (copy_forbidden): Remove fndecl parameter; test
3799         has_forced_label_in_static.
3800         (inline_forbidden_p): Update call to copy_forbidden.
3801         (tree_versionable_function_p): Likewise.
3802         * ipa-chkp.c (chkp_instrumentable_p): Likewise.
3803         (chkp_versioning): Likewise.
3804         * tree-inline.h (copy_forbidden): Update decl.
3806 2016-03-16  Marek Polacek  <polacek@redhat.com>
3808         PR c/70093
3809         * cgraphunit.c (cgraph_node::expand_thunk): Also build call to the
3810         function being thunked if the result type doesn't have fixed size.
3811         * gimplify.c (gimplify_modify_expr): Also set LHS if the result type
3812         doesn't have fixed size.
3814 2016-03-16  Bin Cheng  <bin.cheng@arm.com>
3816         * tree-vect-loop.c (vect_analyze_loop_2): Fix wrong dump info by
3817         reporting malformed loop nest.
3819 2016-03-16  Tom de Vries  <tom@codesourcery.com>
3821         PR lto/70187
3822         * ipa-devirt.c (possible_polymorphic_call_targets): Move
3823         nodes.length () == 1 test to before first nodes[0] access.
3825 2016-03-16  Tom de Vries  <tom@codesourcery.com>
3827         PR tree-optimization/68715
3828         * graphite-scop-detection.c (scop_detection::merge_sese): Add missing
3829         single_pred_p test.
3831 2016-03-16  Tom de Vries  <tom@codesourcery.com>
3833         PR tree-optimization/68809
3834         * graphite-scop-detection.c (same_close_phi_node): Test if result types
3835         are the same.
3837 2016-03-16  Carlos O'Donell  <carlos@redhat.com>
3838             Sandra Loosemore  <sandra@codesourcery.com>
3840         * doc/extend.texi (Common Function Attributes): Describe ifunc impact
3841         on leaf attribute. Mention ELF interposition problems.
3843 2016-03-16  Alan Modra  <amodra@gmail.com>
3845         PR rtl-optimization/69195
3846         PR rtl-optimization/47992
3847         * ira.c (indirect_jump_optimize): Ignore artificial defs.
3848         Add comments.
3850 2016-03-15  Eric Botcazou  <ebotcazou@adacore.com>
3852         PR bootstrap/69513
3853         * dwarf2out.c (flush_limbo_die_list): Really flush the limbo list.
3855 2016-03-15  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
3857         * config/avr/avr.md (rotl<mode>3): Set mode for operand 2.
3859 2016-03-15  Jakub Jelinek  <jakub@redhat.com>
3861         PR rtl-optimization/70222
3862         * combine.c (simplify_shift_const_1): For A >> B >> C LSHIFTRT
3863         optimization if mode is different from result_mode, queue up masking
3864         of the result in outer_op.  Formatting fix.
3866         PR middle-end/70239
3867         * tree-ssa-sccvn.c (VN_INFO_GET): Use safe_grow_cleared instead
3868         of safe_grow.
3870 2016-03-15  Andrey Belevantsev  <abel@ispras.ru>
3872         PR rtl-optimization/69032
3873         * sel-sched-ir.c (get_seqno_by_preds): Include both insn and head when
3874         looping backwards over basic block insns.
3876 2016-03-15  Andrey Belevantsev  <abel@ispras.ru>
3878         PR target/66660
3879         * sel-sched-ir.c (merge_expr): Avoid changing the speculative pattern
3880         to non-speculative when propagating trap bits.
3882 2016-03-15  Andrey Belevantsev  <abel@ispras.ru>
3884         PR rtl-optimization/63384
3885         * sel-sched.c (invoke_aftermath_hooks): Do not decrease issue_more on
3886         DEBUG_INSN_P insns.
3888 2016-03-15  Andrey Belevantsev  <abel@ispras.ru>
3890         PR target/64411
3891         * sched-deps.c (get_implicit_reg_pending_clobbers): New function,
3892         factored out from ...
3893         (sched_analyze_insn): ... here.
3894         * sched-int.h (get_implicit_reg_pending_clobbers): Declare it.
3895         * sel-sched-ir.c (setup_id_implicit_regs): New function, use
3896         get_implicit_reg_pending_clobbers in it.
3897         (setup_id_reg_sets): Use setup_id_implicit_regs.
3898         (deps_init_id): Ditto.
3900 2016-03-15  Tom de Vries  <tom@codesourcery.com>
3902         PR ipa/70161
3903         * cgraph.c (cgraph_node::get_body): Save, reset and restore
3904         dump_file_name.
3905         * passes.c (execute_one_ipa_transform_pass): Add missing argument to
3906         execute_function_dump.
3907         (execute_one_pass): Don't dump function if it will be dumped after ipa
3908         transform.
3910 2016-03-15  Segher Boessenkool  <segher@kernel.crashing.org>
3912         * genrecog.c (match_pattern_2): If pred is NULL don't call
3913         safe_predicate_mode on it.
3915 2016-03-14  Jakub Jelinek  <jakub@redhat.com>
3917         PR middle-end/70219
3918         * lra-constraints.c (delete_move_and_clobber): Change assertion
3919         to also allow dregno == 0.
3921 2016-03-14  Richard Henderson  <rth@redhat.com>
3923         PR tree-opt/68714
3924         * tree-ssa-reassoc.c (ovce_extract_ops, optimize_vec_cond_expr): New.
3925         (can_reassociate_p): Allow ANY_INTEGRAL_TYPE_P.
3926         (reassociate_bb): Use optimize_vec_cond_expr; avoid
3927         optimize_range_tests, attempt_builtin_copysign and attempt_builtin_powi
3928         on vectors.
3930 2016-03-14  Bernd Schmidt  <bschmidt@redhat.com>
3932         PR target/70083
3933         * lra-lives.c (process_bb_lives): Also update biggest mode for hard
3934         regs.
3935         (lra_create_live_ranges_1): initialize hard register biggest_mode to
3936         VOIDmode.
3937         * lra-constraints.c (split_reg): For hard regs, try to find the
3938         biggest single-register mode used in the function.
3940 2016-03-14  Richard Biener  <rguenther@suse.de>
3942         PR tree-optimization/56365
3943         * tree-ssa-phiopt.c (minmax_replacement): Handle alternate
3944         constants to compare against.
3946 2016-03-14  Segher Boessenkool  <segher@kernel.crashing.org>
3948         PR target/70098
3949         * config/rs6000/rs6000.md (*ctr<mode>_internal1, *ctr<mode>_internal2,
3950         *ctr<mode>_internal5, *ctr<mode>_internal6): Also allow "d" as output.
3951         (define_split for the GPR case): Use int_reg_operand instead of
3952         gpc_reg_operand for the output.
3954 2016-03-14  Tom de Vries  <tom@codesourcery.com>
3956         PR tree-optimization/70045
3957         * graphite-isl-ast-to-gimple.c (graphite_create_new_loop_guard): Unshare
3958         create_empty_if_region_on_edge argument.
3960 2016-03-13  Eric Botcazou  <ebotcazou@adacore.com>
3962         * config/arm/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Define.
3963         (STACK_CHECK_PROTECT): Likewise.
3964         * config/i386/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise
3965         (STACK_CHECK_PROTECT): Likewise.
3966         * config/rs6000/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise
3967         (STACK_CHECK_PROTECT): Likewise.
3968         * config/rs6000/vxworksae.h (STACK_CHECK_PROTECT): Likewise.
3969         * config/sparc/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise.
3970         (STACK_CHECK_PROTECT): Likewise.
3972 2016-03-12  Andrey Belevantsev  <abel@ispras.ru>
3974         PR rtl-optimization/69307
3975         * sel-sched.c (choose_best_pseudo_reg): Properly check for hard
3976         registers in modes that span more than one register.
3978 2016-03-12  Vladimir Makarov  <vmakarov@redhat.com>
3980         PR target/69614
3981         * lra-constraints.c (delete_move_and_clobber): New.
3982         (remove_inheritance_pseudos): Use it.
3984 2016-03-12  Eric Botcazou  <ebotcazou@adacore.com>
3986         PR ada/70017
3987         * calls.c (emit_library_call_value_1): Clear the ECF_NOTHROW flag if
3988         the libcall is LCT_THROW.
3989         * explow.c (probe_stack_range): Pass LCT_THROW to emit_library_call
3990         for the checking routine.
3992 2016-03-11  Michael Meissner  <meissner@linux.vnet.ibm.com>
3994         PR target/70131
3995         * config/rs6000/rs6000.md (round32<mode>2_fprs): Do not do the
3996         optimization if we have direct move.
3997         (roundu32<mode>2_fprs): Likewise.
3999 2016-03-11  Bernd Schmidt  <bschmidt@redhat.com>
4001         PR target/70123
4002         * lra-remat.c (operand_to_remat): Disallow hard regs in the value t
4003         be rematerialized.
4004         (reg_overlap_for_remat_p): Renamed from input_regno_present_p.
4005         Arguments swapped.  All callers changed.  Take reg_renumber into
4006         account, and Calculate and compare register ranges for hard regs.
4008 2016-03-11  Jeff Law  <law@redhat.com>
4010         PR tree-optimization/70190
4011         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
4012         Handle cases where we can not extract the taken edge, even though we
4013         found a constant value.
4015         PR tree-optimization/64058
4016         * tree-ssa-coalesce.c (struct coalesce_pair): Add new field INDEX.
4017         (num_coalesce_pairs): Move up earlier in file.
4018         (find_coalesce_pair): Initialize the INDEX field for each pair
4019         discovered.
4020         (compare_pairs): No longer sort on the elements in each pair.
4021         Instead break ties with the index of the coalesce pair.
4023 2016-03-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4025         PR target/70002
4026         * config/aarch64/aarch64-protos.h
4027         (aarch64_save_restore_target_globals): New prototype.
4028         * config/aarch64/aarch64-c.c (aarch64_pragma_target_parse):
4029         Call the above when popping pragma.
4030         * config/aarch64/aarch64.c (aarch64_save_restore_target_globals):
4031         New function.
4032         (aarch64_set_current_function): Rewrite using the above.
4034 2016-03-11  Jakub Jelinek  <jakub@redhat.com>
4036         PR tree-optimization/70177
4037         * gimple-expr.h (extract_ops_from_tree_1): Renamed to ...
4038         (extract_ops_from_tree): ... this.  In the 2 argument
4039         overload remove _1 suffix.
4040         * gimple-expr.c (extract_ops_from_tree_1): Renamed to ...
4041         (extract_ops_from_tree): ... this.
4042         * gimple.c (gimple_build_assign, gimple_assign_set_rhs_from_tree):
4043         Adjust callers.
4044         * tree-ssa-loop-niter.c (derive_constant_upper_bound): Likewise.
4045         * tree-ssa-forwprop.c (defcodefor_name): Call 3 operand
4046         extract_ops_from_tree instead of 2 operand one.
4048 2016-03-11  Alan Lawrence  <alan.lawrence@arm.com>
4050         PR tree-optimization/70013
4051         * tree-sra.c (analyze_access_subtree): Also set grp_unscalarized_data
4052         for constant-pool entries.
4054 2016-03-11  Jakub Jelinek  <jakub@redhat.com>
4056         PR rtl-optimization/70174
4057         * expmed.c (store_bit_field_using_insv): Use gen_lowpart_if_possible
4058         followed by gen_lowpart on force_reg instead of just gen_lowpart.
4060         PR tree-optimization/70169
4061         * tree-ssa-loop.c (gen_lsm_tmp_name): Handle FUNCTION_DECL and
4062         LABEL_DECL like VAR_DECL.  Emit nothing instead of gcc_unreachable
4063         for unknown codes.
4065 2016-03-11  Ilya Enkovich  <enkovich.gnu@gmail.com>
4066             Jakub Jelinek  <jakub@redhat.com>
4068         PR target/70160
4069         * config/i386/i386.c (scalar_chain::convert_reg): Skip uses
4070         of uninitialized values.
4072 2016-03-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4074         * config/s390/s390.md ("trunctddd2"): Turn former define_insn into
4075         define_expand.
4076         ("*trunctddd2"): New pattern definition.
4077         ("trunctdsd2"): Set prep_for_short_prec rounding mode for the
4078         TD->DD truncation.
4080 2016-03-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4082         * config/s390/s390.md (BFP_RND_*, DFP_RND_*): Add new constant
4083         definitions for BFP and DFP rounding modes.
4084         ("fixuns_truncdddi2", "fixuns_trunctddi2")
4085         ("fixuns_trunc<BFP:mode><GPR:mode>2", "fixuns_trunc<mode>si2")
4086         ("fix_trunc<DSF:mode><GPR:mode>2", "fix_trunc<mode>di2")
4087         ("fix_trunctf<mode>2"): Use the new constants instead of magic
4088         numbers.
4090 2016-03-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4092         * config/s390/constraints.md: Adjust comment.
4093         ("Y"): Adjust comment.  Rename s390_decompose_shift_count to
4094         s390_decompose_addrstyle_without_index.
4095         * config/s390/predicates.md (shift_count_or_setmem_operand):
4096         Rename to setmem_operand.
4097         * config/s390/s390-protos.h
4098         (s390_decompose_shift_count): Rename to
4099         s390_decompose_addrstyle_without_index.
4100         * config/s390/s390.c (s390_decompose_shift_count)
4101         (s390_mem_constraint, print_shift_count_operand)
4102         (print_operand_address, print_operand): Rename
4103         s390_decompose_shift_count to
4104         s390_decompose_addrstyle_without_index and rename
4105         print_shift_count_operand to print_addrstyle_operand troughout the
4106         file.
4107         * config/s390/s390.md ("setmem_long_<P:mode>", "*setmem_long")
4108         ("*setmem_long_and", "*setmem_long_31z", "*setmem_long_and_31z"):
4109         Rename shift_count_or_setmem_operand to setmem_operand.
4110         * config/s390/vx-builtins.md ("vec_insert<mode>")
4111         ("vec_promote<mode>"): Replace shift_count_or_setmem_operand with
4112         nonmemory_operand.
4114 2016-03-10  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4116         PR target/70168
4117         * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap):
4118         Handle overlapping retval and newval.
4120 2016-03-10  Nick Clifton  <nickc@redhat.com>
4122         PR target/7044
4123         * config/aarch64/aarch64.c
4124         (aarch64_override_options_after_change_1): When forcing
4125         flag_omit_frame_pointer to be true, use a special value that can
4126         be detected if this function is called again, thus preventing
4127         flag_omit_leaf_frame_pointer from being forced to be false.
4129 2016-03-10  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4131         * common/config/aarch64/aarch64-common.c (aarch64_handle_option):
4132         Set x_flag_omit_leaf_frame_pointer when handling
4133         -momit-leaf-frame-pointer.
4135 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
4137         PR lto/69589
4138         * cgraph.c (cgraph_node::dump): Dump split_part and
4139         indirect_call_target.
4140         * cgraph.h (cgraph_node): Add indirect_call_target flag.
4141         * ipa.c (has_addr_references_p): Cleanup.
4142         (is_indirect_call_target_p): New.
4143         (walk_polymorphic_call_targets): Do not mark virtuals that may be
4144         called indirectly as local.
4145         (symbol_table::remove_unreachable_nodes): Compute indirect_call_target.
4147 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
4149         PR ipa/69630
4150         * ipa-devirt.c (possible_polymorphic_call_targets): Do not ICE
4151         on cxa_pure_virtual.
4153 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
4155         PR lto/69589
4156         * tree.c (free_lang_data_in_decl): Clear visibility of TYPE_DECL.
4158 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
4160         PR lto/69589
4161         * tree.c (need_assembler_name_p): Only record main variant type names.
4163 2016-03-10  Christophe Lyon  <christophe.lyon@linaro.org>
4165         PR target/70113.
4166         * config/aarch64/aarch64.h (TARGET_FIX_ERR_A53_843419_DEFAULT):
4167         Always define to 0 or 1.
4168         (TARGET_FIX_ERR_A53_843419): New macro.
4169         * config/aarch64/aarch64-elf-raw.h
4170         (TARGET_FIX_ERR_A53_843419_DEFAULT): Update for above changes.
4171         * config/aarch64/aarch64-linux.h: Likewise.
4172         * config/aarch64/aarch64.c
4173         (aarch64_override_options_after_change_1): Do not default
4174         aarch64_nopcrelative_literal_loads to true if Cortex-A53 erratum
4175         843419 is on.
4176         (aarch64_attributes): Handle fix-cortex-a53-843419.
4177         (aarch64_can_inline_p): Likewise.
4178         * config/aarch64/aarch64.opt (aarch64_fix_a53_err843419): Save.
4180 2016-03-10  Alan Lawrence  <alan.lawrence@arm.com>
4181         Jakub Jelinek <jakub@redhat.com>
4183         * common.opt (funconstrained-commons, flag_unconstrained_commons): New.
4184         * tree.c (array_at_struct_end_p): Do not limit to size of decl for
4185         DECL_COMMONS if flag_unconstrained_commons is set.
4186         * tree-dfa.c (get_ref_base_and_extent): Likewise.
4187         * doc/invoke.texi (Optimize Options): Add -funconstrained-commons.
4188         (funconstrained-commons): Document.
4190 2016-03-10  Christophe Lyon  <christophe.lyon@linaro.org>
4192         * config/aarch64/t-aarch64 (OPTIONS_H_EXTRA): Add
4193         aarch64-fusion-pairs.def and aarch64-tuning-flags.def
4195 2016-03-10  Ilya Enkovich  <enkovich.gnu@gmail.com>
4197         * tree-vect-stmts.c (vectorizable_mask_load_store): Check mask
4198         has a proper number of elements.
4200 2016-03-10  Alan Modra  <amodra@gmail.com>
4202         PR rtl-optimization/69195
4203         PR rtl-optimization/47992
4204         * ira.c (recorded_label_ref): Delete.
4205         (update_equiv_regs): Return void.
4206         (indirect_jump_optimize): New function.
4207         (ira): Call indirect_jump_optimize and delete_trivially_dead_insns
4208         before regstat_compute_ri.  Don't rebuild_jump_labels here.
4209         Delete update_regstat.
4211 2016-03-10  Richard Biener  <rguenther@suse.de>
4213         PR tree-optimization/70128
4214         * tree-ssa-structalias.c (set_uids_in_ptset): Set
4215         vars_contains_nonlocal for any FUNCTION_DECL or LABEL_DECL.
4217 2016-03-09  Jakub Jelinek  <jakub@redhat.com>
4219         PR tree-optimization/70152
4220         * tree-sra.c (replace_removed_params_ssa_names): Copy over
4221         SSA_NAME_OCCURS_IN_ABNORMAL_PHI from old_name to new_name.
4223         PR target/70086
4224         * config/i386/i386.md (truncdfsf2 splitter): Use gen_vec_concatv2df
4225         instead of gen_sse2_loadlpd.
4226         * config/i386/sse.md (*vec_concatv2df): Rename to...
4227         (vec_concatv2df): ... this.
4229         PR tree-optimization/70127
4230         * fold-const.c (operand_equal_p): Revert the 2015-10-28 change.
4232 2016-03-09  David Malcolm  <dmalcolm@redhat.com>
4234         PR c/68473
4235         PR c++/70105
4236         * diagnostic-show-locus.c (compatible_locations_p): New function.
4237         (layout::layout): Sanitize ranges using compatible_locations_p.
4239 2016-03-09  David Malcolm  <dmalcolm@redhat.com>
4241         PR c/68473
4242         PR c++/70105
4243         * diagnostic-show-locus.c (layout_range::layout_range): Replace
4244         location_range param with three const expanded_locations * and a
4245         bool.
4246         (layout::layout): Replace call to
4247         rich_location::lazily_expand_location with get_expanded_location.
4248         Extract the range and perform location expansion here, passing
4249         the results to the layout_range ctor.
4250         * diagnostic.c (source_range::debug): Delete.
4251         * diagnostic.h (diagnostic_expand_location): Reimplement in terms
4252         of rich_location::get_expanded_location.
4253         * gcc-rich-location.c (get_range_for_expr): Delete.
4254         (gcc_rich_location::add_expr): Reimplement to avoid the
4255         rich_location::add_range overload that took a location_range,
4256         passing a location_t instead.
4258 2016-03-09  Richard Biener  <rguenther@suse.de>
4259         Jakub Jelinek  <jakub@redhat.com>
4261         PR tree-optimization/70138
4262         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
4263         Also skip vect_double_reduction_def.
4265 2016-03-09  Jakub Jelinek  <jakub@redhat.com>
4267         PR target/70049
4268         * config/i386/sse.md (*vec_extract<mode>): Use %0 instead of %k0
4269         if the operand is "m".
4271 2016-03-09  Nathan Sidwell  <nathan@acm.org>
4273         * config/nvptx/nvptx.c (nvptx_option_override): Don't kill debug level.
4275 2016-03-09  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
4277         * config/i386/i386.c (processor_target_table): Fix cost table
4278         intialization order for znver1.
4280 2016-03-08  Jakub Jelinek  <jakub@redhat.com>
4282         * ipa-polymorphic-call.c (walk_ssa_copies): Fix spelling
4283         - becuase -> because.
4284         * ipa-reference.c (ignore_module_statics): Likewise.
4285         * cgraph.c (cgraph_node::get_body): Likewise.
4286         * ipa-inline.c (early_inliner): Likewise.
4287         * ipa-devirt.c (types_same_for_odr): Likewise.
4288         * tree-streamer-out.c (pack_ts_type_common_value_fields): Likewise.
4289         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Likewise.
4291 2016-03-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4293         * tree-ssa-math-opts.c: Fix typo in comment.
4295 2016-03-08  Jakub Jelinek  <jakub@redhat.com>
4297         PR target/70110
4298         * config/i386/i386.c (scalar_chain::make_vector_copies,
4299         scalar_chain::convert_reg): Call end_sequence in between
4300         get_insns and emit_conversion_insns rather than after both
4301         calls.
4303 2016-03-07  Uros Bizjak  <ubizjak@gmail.com>
4305         PR target/70064
4306         * config/i386/i386.h (machine_function): Add
4307         pc_thunk_call_expanded flag.
4308         (ix86_pc_thunk_call_expanded): New define.
4309         * config/i386/i386.md (set_got, set_got_labelled): New expanders.
4310         (*set_got): Rename insn pattern from set_got.
4311         (*set_got_labelled): Rename inst pattern from set_got_labelled.
4312         * config/i386/i386.c (ix86_compute_frame_layout): Use
4313         ix86_pc_thunk_call_expanded to prevent red-zone.
4315 2016-03-07  Martin Jambor  <mjambor@suse.cz>
4317         * hsa.h (hsa_get_ctor_statements): Declare.
4318         (hsa_get_dtor_statements): Likewise.
4319         (hsa_get_kernel_dispatch_type): Likewise.
4320         * hsa.c (hsa_get_ctor_statements): New function.
4321         (hsa_get_dtor_statements): Likewise.
4322         (hsa_get_kernel_dispatch_type): Likewise.
4323         * hsa-brig.c (hsa_cdtor_statements): Removed.
4324         (hsa_output_libgomp_mapping): Use hsa_get_ctor_statements and
4325         hsa_get_dtor_statements.
4326         * hsa-gen.c (hsa_kernel_dispatch_type): Removed.
4327         (get_hsa_kernel_dispatch_offset): Use hsa_get_kernel_dispatch_type.
4329 2016-03-07  Andre Vieira  <andre.simoesdiasvieira@arm.com>
4331         * config/arm/arm-cores.def (cortex-r8): New.
4332         * config/arm/arm-tables.opt (cortex-r8): Regenerate.
4333         * config/arm/arm-tune.md: Likewise.
4334         * gcc/doc/invoke.texi: Add cortex-r8 to list of cpu values.
4336 2016-03-07  Martin Sebor  <msebor@redhat.com>
4338         PR rtl-optimization/19705
4339         * doc/invoke.texi (Options That Control Optimization): Clarify
4340         -fno-branch-count-reg.
4342 2016-02-26  Richard Biener  <rguenther@suse.de>
4343             Jeff Law  <law@redhat.com>
4345         PR tree-optimization/69740
4346         * cfghooks.c (remove_edge): Request loop fixups if we delete
4347         an edge that might turn an irreducible loop into a natural
4348         loop.
4349         * cfgloop.h (check_verify_loop_structure): Clear LOOPS_NEED_FIXUP.
4350         Move after definition of loops_state_clear.
4352 2016-03-07  Bin Cheng  <bin.cheng@arm.com>
4354         PR rtl-optimization/69052
4355         * rtlanal.c (commutative_operand_precedence): Set higher precedence
4356         to CONST_WIDE_INT.
4358 2016-03-07  Tom de Vries  <tom@codesourcery.com>
4360         PR tree-optimization/70116
4361         * tree-ssa-tail-merge.c (merge_stmts_p): New function, handling
4362         is_tm_ending stmts and ubsan/asan internal functions.
4363         (find_duplicate): Use it.  Don't test is_tm_ending here.
4365 2016-03-07  Richard Biener  <rguenther@suse.de>
4367         PR tree-optimization/70115
4368         * tree-ssa-loop-ivcanon.c (propagate_into_all_uses): Remove.
4369         (propagate_constants_for_unrolling): Use replace_uses_by.
4371 2016-03-07  Nathan Sidwell  <nathan@codesourcery.com>
4373         PR middle-end/69916
4374         * omp-low.c (struct oacc_loop): Add ifns.
4375         (new_oacc_loop_raw): Initialize it.
4376         (finish_oacc_loop): Clear mask & flags if no ifns.
4377         (oacc_loop_discover_walk): Count IFN_GOACC_LOOP calls.
4378         (oacc_loop_xform_loop): Add ifns arg & adjust.
4379         (oacc_loop_process): Adjust oacc_loop_xform_loop call.
4381 2016-03-07  Richard Henderson  <rth@redhat.com>
4383         PR rtl-opt/70061
4384         * tree-outofssa.c (emit_partition_copy): Flush pending stack adjust.
4385         (insert_value_copy_on_edge): Likewise.
4387 2016-03-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4389         * config/arm/arm_neon.h: Show error if using with soft-float ABI.
4391 2016-03-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4393         PR target/62281
4394         * config/i386/sol2.h (STACK_REALIGN_DEFAULT): Define.
4396 2016-03-05  Venkataramanan Kumar  <Venkataramanan.kumar@amd.com>
4398         * config/i386/i386.c (znver1_cost): Fix Multiply cost.
4400 2016-03-05  Venkataramanan Kumar  <Venkataramanan.kumar@amd.com>
4402         Fix sseimul type attribute.
4403         * config/i386/znver1.md
4404         (znver1_sseimul, znver1_sseimul_avx256, znver1_sseimul_load,
4405         znver1_sseimul_avx256_load) : Fix the type attribute.
4406         (znver1_sseimul_di, znver1_sseimul_load_di): Fix type attribute,
4407         pipe usage and latency.
4409 2016-03-05  Jakub Jelinek  <jakub@redhat.com>
4411         PR c++/70084
4412         * tree-inline.c (copy_tree_body_r): When cancelling ADDR_EXPR
4413         of INDIRECT_REF and ADDR_EXPR changed type, fold_convert it
4414         to the right type.
4416 2016-03-04  Bernd Schmidt  <bschmidt@redhat.com>
4418         PR c/69973
4419         * targhooks.c (default_vector_alignment): Limit to MAX_OFILE_ALIGNMENT.
4421         PR rtl-optimization/69941
4422         * postreload.c (reload_combine_recognize_pattern): Ensure all uses of
4423         the reg share its mode.
4425 2016-03-04  Jeff Law  <law@redhat.com>
4427         PR tree-optimization/69196
4428         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
4429         If the both SSA_NAMEs are anonymous, then consider them unassociated
4430         and include the PHI in the statement count.
4432 2016-03-05  Tom de Vries  <tom@codesourcery.com>
4434         * omp-low.c (check_omp_nesting_restrictions): Check for non-oacc
4435         construct in oacc routine.  Check for oacc region in oacc routine.
4437 2016-03-04  Jakub Jelinek  <jakub@redhat.com>
4439         PR target/70062
4440         * config/i386/i386.c (decide_alg): Add RECUR argument.  Revert
4441         2016-02-22 changes, instead don't recurse if RECUR is already true.
4442         Don't change *dynamic_check if RECUR.  Adjust recursive caller
4443         to pass true to the new argument.
4444         (ix86_expand_set_or_movmem): Adjust decide_alg caller.
4446         PR target/70059
4447         * config/i386/sse.md (vec_set_lo_<mode><mask_name>,
4448         <extract_type_2>_vinsert<shuffletype><extract_suf_2>_mask): Formatting
4449         fixes.
4450         (vec_set_hi_<mode><mask_name>): Likewise.  Swap VEC_CONCAT operands.
4452 2016-03-04  Bernd Schmidt  <bschmidt@redhat.com>
4454         PR rtl-optimization/57676
4455         * lra-assigns.c (lra_assign): Guard test for maximum iterations
4456         with flag_checking.
4458 2016-03-04  Ilya Enkovich  <enkovich.gnu@gmail.com>
4460         * tree-vect-patterns.c (search_type_for_mask): Handle
4461         comparison of booleans.
4463 2016-03-04  Jakub Jelinek  <jakub@redhat.com>
4465         * doc/extend.texi (__builtin_alloca, __builtin_alloca_with_align):
4466         Fix @xref usage.
4468         PR debug/69947
4469         * dwarf2out.c (prune_unused_types_walk_loc_descr): Handle
4470         all other ops that have dw_val_class_die_ref operands,
4471         and DW_OP_GNU_entry_value.
4473 2016-03-03  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4475         PR rtl-optimization/69904
4476         * config/arm/arm.c (arm_cannot_copy_insn_p):
4477         Return true for load-exclusive instructions.
4479 2016-03-03  Jakub Jelinek  <jakub@redhat.com>
4481         PR target/70021
4482         * tree-vect-stmts.c (vect_mark_relevant): Remove USED_IN_PATTERN
4483         argument, if STMT_VINFO_IN_PATTERN_P (stmt_info), always mark
4484         the pattern no matter if it is used just by non-pattern, pattern
4485         or mix thereof.
4486         (process_use, vect_mark_stmts_to_be_vectorized): Adjust callers.
4487         * tree-vect-patterns.c (vect_recog_vector_vector_shift_pattern): If
4488         oprnd1 def_stmt is in pattern, don't look through it.
4490 2016-03-03  Marek Polacek  <polacek@redhat.com>
4492         PR middle-end/70050
4493         * match.pd (X % -Y): Add INTEGRAL_TYPE_P check.
4495 2016-03-03  Martin Liska  <mliska@suse.cz>
4497         PR tree-optimization/70043
4498         * tree-vect-loop.c (optimize_mask_stores): Move iterator to
4499         previous statement if we see a debug statement.
4501 2016-03-03  Richard Biener  <rguenther@suse.de>
4503         PR tree-optimization/55936
4504         * tree-vrp.c (compare_name_with_value): Add use_equiv_p
4505         parameter and guard unsafe equivalence use.
4506         (vrp_evaluate_conditional_warnv_with_ops): Always use
4507         safe equivalences but not via the quadratic compare_names
4508         helper.
4510 2016-03-03  Michael Collison  <michael.collison@linaro.org>
4512         PR target/70014
4513         * config/arm/arm.md (*subsi3_carryin_const): Change predicate
4514         for operand 1 to s_register_operand. Change predicate for operand
4515         2 to arm_not_immediate_operand.
4517 2016-03-02  H.J. Lu  <hongjiu.lu@intel.com>
4519         * doc/tm.texi: Regenerated.
4521 2016-03-02  Richard Henderson  <rth@redhat.com>
4523         PR rtl-opt/67145
4524         * simplify-rtx.c (simplify_plus_minus): Allow reassoc without
4525         simplification when all args are positive non-fixed registers.
4527 2016-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4529         * target.def (lra_p): Specify that new ports should use LRA.
4531 2016-03-02  Jakub Jelinek  <jakub@redhat.com>
4533         PR libgomp/69555
4534         * gimplify.c (gimplify_decl_expr): For decls with REFERENCE_TYPE, also
4535         gimplify_type_sizes the type they refer to.
4536         (omp_notice_variable): Handle reference vars to VLAs.
4537         * omp-low.c (lower_omp_target): Emit setup of OMP_CLAUSE_PRIVATE
4538         reference to VLA decls in the second pass instead of first pass.
4540 2016-03-02  Tom de Vries  <tom@codesourcery.com>
4542         PR tree-optimization/68659
4543         * graphite-isl-ast-to-gimple.c (collect_all_ssa_names): Handle
4544         new_expr == NULL_TREE.
4545         (get_new_name): Handle ADDR_EXPR.
4547 2016-03-02  Bin Cheng  <bin.cheng@arm.com>
4549         PR rtl-optimization/69052
4550         * loop-invariant.c (canonicalize_address): New function.
4551         (inv_can_prop_to_addr_use): Check validity of address expression
4552         which is canonicalized by above function.
4554 2016-03-02  Alan Modra  <amodra@gmail.com>
4556         PR ipa/69990
4557         * ipa-icf.c (sem_variable::merge): Do not merge an alias with
4558         larger alignment.
4560 2016-03-02  Jakub Jelinek  <jakub@redhat.com>
4562         PR target/70028
4563         * config/i386/i386.md (kmovw): Move m constraint to 2nd alternative.
4564         (*movhi_internal): Put mask moves from and to memory separately
4565         from moves from/to GPRs.
4567 2016-03-02  Richard Biener  <rguenther@suse.de>
4569         * genmatch.c (dt_node::gen_kids): Fix match code-gen for embedded
4570         GENERIC expressions in GIMPLE.
4572 2016-03-02  Richard Biener  <rguenther@suse.de>
4574         * config/i386/i386.c (type_natural_mode): Fix typo.
4576 2016-03-02  Nick Clifton  <nickc@redhat.com>
4578         * config.gcc (mep-*-elf): Add newlib-stdint.h to tm_file.
4580 2016-03-02  Richard Biener  <rguenther@suse.de>
4581             Uros Bizjak  <ubizjak@gmail.com>
4583         PR target/67278
4584         * config/i386/i386.c (type_natural_mode): Handle XFmode vectors.
4586 2016-03-02  Richard Biener  <rguenther@suse.de>
4588         PR middle-end/67278
4589         * tree-cfg.c (verify_expr): Adjust BIT_FIELD_REF case.
4591 2016-03-02  Marek Polacek  <polacek@redhat.com>
4593         PR c/67854
4594         * gimplify.c (gimplify_va_arg_expr): Use expanded location for the
4595         "is promoted to" warning.
4597 2016-03-01  DJ Delorie  <dj@redhat.com>
4599         * config.gcc: Deprecate mep-*.
4601 2016-03-01  Vladimir Makarov  <vmakarov@redhat.com>
4603         PR middle-end/70025
4604         * lra-constraints.c (regno_val_use_in): New.
4605         (match_reload): Use it instead of regno_use_in.
4607 2016-03-01  Eric Botcazou  <ebotcazou@adacore.com>
4609         PR rtl-optimization/70007
4610         * gcse.c (compute_ld_motion_mems): Tidy up and also invalidate memory
4611         references present in REG_EQUAL notes attached to non-SET patterns.
4613 2016-03-01  Jeff Law  <law@redhat.com>
4615         PR tree-optimization/69196
4616         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
4617         Appropriately clamp the number of statements to copy when the
4618         thread path does not traverse a loop backedge.
4620         PR tree-optimization/69196
4621         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
4622         Do count some PHIs in the thread path against the insn count.  Decrease
4623         final statement count by one as the control statement in the last
4624         block will get removed.  Remove special cased code for handling PHIs
4625         in the last block.
4627 2016-03-01  Uros Bizjak  <ubizjak@gmail.com>
4629         PR target/70027
4630         * config/i386/i386.c (ix86_output_call_insn): Add -masm=intel
4631         asm dialect alternatives to explicit GOTPCREL calls.
4633 2016-03-01  Eric Botcazou  <ebotcazou@adacore.com>
4635         PR ada/70017
4636         * ira.c (do_reload): Issue warning for generic stack checking here...
4637         * reload1.c (reload): ...instead of here and streamline it.
4639 2016-03-01  Nick Clifton  <nickc@redhat.com>
4641         * config.gcc (cr16-*-elf): Add newlib-stdint.h to tm_file.
4643 2016-03-01  Richard Biener  <rguenther@suse.de>
4645         PR tree-optimization/69983
4646         * tree-chrec.c (eq_evolutions_p): Handle conversions, compare
4647         types and fall back to operand_equal_p.
4649 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4651         Revert
4652         2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4654         * config/s390/constraints.md ("jm8"): New constraint.
4655         * config/s390/predicates.md ("const_int_8bitset_operand"): New
4656         predicate.
4657         * config/s390/s390.md ("*setmem_long", "*setmem_long_and"): Merge
4658         into ...
4659         ("*setmem_long<setmem_and>"): New pattern.
4660         ("*setmem_long_31z", "*setmem_long_and_31z"): Merge
4661         into ...
4662         ("*setmem_long_31z<setmem_and>"): New pattern.
4663         * config/s390/subst.md ("setmem_31z_subst", "setmem_and_subst"):
4664         New substitution rules with the required attributes.
4667 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4669         Revert
4670         2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4672         * gensupport.c (process_substs_on_one_elem): Split loop to
4673         complete mark_operands_used_in_match_dup on all expressions in the
4674         vector first.
4675         (adjust_operands_numbers): Inline into process_substs_on_one_elem
4676         and remove function.
4678 2016-03-01  Richard Biener  <rguenther@suse.de>
4680         PR middle-end/70022
4681         * fold-const.c (fold_indirect_ref_1): Fix range checking for
4682         vector BIT_FIELD_REF extract.
4684 2016-03-01  Richard Biener  <rguenther@suse.de>
4686         PR tree-optimization/69994
4687         * tree-ssa-reassoc.c (ops_equal_values_p): Handle missing case.
4689 2016-03-01  Ilya Enkovich  <enkovich.gnu@gmail.com>
4691         PR tree-optimization/69956
4692         * tree-vect-stmts.c (supportable_widening_operation): Support
4693         multi-step conversion of boolean vectors.
4694         (supportable_narrowing_operation): Likewise.
4696 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4698         * config/s390/s390.c (s390_decompose_address): Don't accept SImode
4699         anymore.
4701 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4703         * config/s390/subst.md (DSI_VI): New mode iterator.
4704         ("addr_style_op_subst"): Use DSI_VI instead of DSI.
4705         * config/s390/vector.md ("vec_set<mode>"): Move expander before
4706         the insn definition.
4707         ("*vec_set<mode>"): Change predicate and add alternative to
4708         support only either register or const_int operands as element
4709         selector.
4710         ("*vec_set<mode>_plus"): New pattern to support reg + const_int
4711         operands.
4712         ("vec_extract<mode>"): New expander.
4713         ("*vec_extract<mode>"): New insn definition supporting reg and
4714         const_int element selectors.
4715         ("*vec_extract<mode>_plus"): New insn definition supporting
4716         reg+const_int element selectors.
4717         ("rotl<mode>3", "ashl<mode>3", "ashr<mode>3"): Merge into the
4718         following expander+insn definition.
4719         ("<vec_shifts_name><mode>3"): New expander.
4720         ("*<vec_shifts_name><mode>3<addr_style_op>"): New insn definition.
4722 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4724         * config/s390/s390.md ("*tabort_1"): Change predicate to
4725         nonmemory_operand.  Add a second alternative to cover
4726         register as well as const int operands.
4727         ("*tabort_1_plus"): New pattern definition.
4729 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4731         * config/s390/s390.md ("*ashrdi3_cc_31")
4732         ("*ashrdi3_cconly_31""*ashrdi3_cc_31_and")
4733         ("*ashrdi3_cconly_31_and", "*ashrdi3_31_and", "*ashrdi3_31"):
4734         Merge insn definitions into ...
4735         ("*ashrdi3_31<addr_style_op_cc><masked_op_cc><setcc><cconly>"):
4736         New pattern definition.
4737         ("*ashr<mode>3_cc", "*ashr<mode>3_cconly", "ashr<mode>3", )
4738         ("*ashr<mode>3_cc_and", "*ashr<mode>3_cconly_and")
4739         ("*ashr<mode>3_and"): Merge insn definitions into ...
4740         ("*ashr<mode>3<addr_style_op_cc><masked_op_cc><setcc><cconly>"):
4741         New pattern definition.
4742         * config/s390/subst.md ("addr_style_op_cc_subst")
4743         ("masked_op_cc_subst", "setcc_subst", "cconly_subst"): New
4744         substitutions patterns plus attributes.
4745         Add ashiftrt to SUBST iterator.
4747 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4749         * config/s390/s390.md ("<shift><mode>3"): Change predicate of
4750         op2 to nonmemory_operand.
4751         ("*<shift>di3_31", "*<shift>di3_31_and"):
4752         Merge into single pattern definition ...
4753         ("*<shift>di3_31<addr_style_op><masked_op>"): New pattern.
4754         ("*<shift><mode>3", "*<shift><mode>3_and"): Merge into single
4755         pattern definition ...
4756         ("*<shift><mode>3<addr_style_op><masked_op>"): New pattern.
4757         * config/s390/subst.md: Add ashift and lshiftrt to SUBST
4758         iterator.
4760 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4762         * config/s390/predicates.md (const_int_6bitset_operand): New
4763         predicate.
4764         * config/s390/s390.md: Include subst.md.
4765         ("rotl<mode>3"): New expander.
4766         ("rotl<mode>3", "*rotl<mode>3_and"): Merge insn definitions into
4767         ...
4768         ("*rotl<mode>3<addr_style_op><masked_op>"): New insn definition.
4769         * config/s390/subst.md: New file.
4771 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4773         * config/s390/s390.md ("op_type", "atype", "length" attributes):
4774         Remove RRR type.  It doesn't really exist.
4775         ("RRer", "f0", "v0", "vf", "vd", "op1", "Rf"): Remove mode
4776         attributes.
4777         ("BFP", "DFP", "nDSF", "nDFDI"): Add mode attributes.
4778         ("*cmp<mode>_ccs", "floatdi<mode>2", "add<mode>3")
4779         ("*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3")
4780         ("*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3")
4781         ("fma<mode>4", "fms<mode>4", "div<mode>3", "*neg<mode>2")
4782         ("*abs<mode>2", "*negabs<mode>2", "sqrt<mode>2"): Override
4783         `enabled' attribute.
4785 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4787         * gensupport.c (process_substs_on_one_elem): Split loop to
4788         complete mark_operands_used_in_match_dup on all expressions in the
4789         vector first.
4790         (adjust_operands_numbers): Inline into process_substs_on_one_elem
4791         and remove function.
4793 2016-02-29  Eric Botcazou  <ebotcazou@adacore.com>
4795         PR target/69706
4796         * config/sparc/sparc.c (NWORDS_UP): Rename to...
4797         (CEIL_NWORDS): ...this.  Use CEIL macro.
4798         (compute_fp_layout): Adjust to above renaming.
4799         (function_arg_union_value): Likewise.
4800         (sparc_arg_partial_bytes): Likewise.
4801         (sparc_function_arg_advance): Likewise.
4803 2016-02-29  Jeff Law  <law@redhat.com>
4805         PR tree-optimization/70005
4806         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Handle case
4807         where an object with a boolean range is compared against a value
4808         outside [0..1].
4810         PR tree-optimization/69999
4811         * gimple-ssa-split-paths.c (split_paths): When duplicating a block
4812         with an outgoing edge marked with EDGE_IRREDUCIBLE_LOOP, schedule
4813         loop cleanups.
4815 2016-02-29  Richard Biener  <rguenther@suse.de>
4817         PR tree-optimization/69994
4818         * tree-ssa-reassoc.c (gimple_nop_conversion_p): New function.
4819         (get_unary_op): Look through nop conversions.
4820         (ops_equal_values_p): New function, look for equality diregarding
4821         nop conversions.
4822         (eliminate_plus_minus_pair): Use ops_equal_values_p
4823         (repropagate_negates): Do not use get_unary_op here.
4825 2016-02-29  Martin Liska  <mliska@suse.cz>
4827         * system.h: Poison ENABLE_CHECKING macro.
4829 2016-02-29  Martin Liska  <mliska@suse.cz>
4831         * hsa-gen.c (gen_body_from_gimple): Dump only if TDF_DETAILS
4832         is presented in dump flags.
4833         * hsa-regalloc.c (linear_scan_regalloc): Likewise.
4834         (hsa_regalloc): Likewise.
4836 2016-02-19  Richard Biener  <rguenther@suse.de>
4838         PR tree-optimization/69980
4839         * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Update
4840         permutation of those we need to keep.
4842 2016-02-29  Eric Botcazou  <ebotcazou@adacore.com>
4844         PR target/69706
4845         * config/sparc/sparc.c (ROUND_ADVANCE): Rename to...
4846         (NWORDS_UP): ...this
4847         (init_cumulative_args): Minor tweaks.
4848         (sparc_promote_function_mode): Likewise.
4849         (scan_record_type): Delete.
4850         (traverse_record_type): New function template.
4851         (classify_data_t): New structure type.
4852         (classify_registers): New inline function.
4853         (function_arg_slotno): In 64-bit mode, bail out early if FP slots are
4854         exhausted.  Instantiate traverse_record_type on classify_registers and
4855         deal with the case of a structure passed in slot #15 with no FP field
4856         in the first word.
4857         (assign_data_t): New structure type.
4858         (compute_int_layout): New static function.
4859         (compute_fp_layout): Likewise.
4860         (count_registers): New inline function.
4861         (assign_int_registers): New static function.
4862         (assign_fp_registers): Likewise.
4863         (assign_registers): New inline function.
4864         (function_arg_record_value_1): Delete.
4865         (function_arg_record_value_2): Likewise.
4866         (function_arg_record_value_3): Likewise.
4867         (function_arg_record_value): Adjust to above changes.  Instantiate
4868         traverse_record_type on count_registers to first count the number of
4869         registers to be used and then on assign_registers to assign them.
4870         (function_arg_union_value): Adjust to above renaming.
4871         (sparc_function_arg_1); Minor tweaks.  Remove commented out code.
4872         (sparc_arg_partial_bytes): Adjust to above renaming.  Deal with the
4873         case of a structure passed in slot #15
4874         (sparc_function_arg_advance): Likewise.
4875         (function_arg_padding): Minor tweak.
4877 2016-02-29  Richard Biener  <rguenther@suse.de>
4879         PR tree-optimization/69720
4880         * tree-vect-loop.c (get_initial_def_for_reduction): Avoid
4881         the adjustment_def path for possibly vectorized defs.
4882         (vect_create_epilog_for_reduction): Handle vectorized initial
4883         defs properly.
4885 2016-02-28  Eric Botcazou  <ebotcazou@adacore.com>
4887         * config/i386/cygming.h (STACK_REALIGN_DEFAULT): Define.
4889 2016-02-27  Jeff Law  <law@redhat.com>
4891         Revert
4892         2016-02-26  Richard Biener  <rguenther@suse.de>
4893                     Jeff Law  <law@redhat.com>
4895         PR tree-optimization/69740
4896         * cfghooks.c (remove_edge): Request loop fixups if we delete
4897         an edge that might turn an irreducible loop into a natural
4898         loop.
4900 2016-02-27  Jakub Jelinek  <jakub@redhat.com>
4902         PR rtl-optimization/69896
4903         * tree-vect-generic.c (get_compute_type): Avoid single element
4904         vector types.
4906 2016-02-26  Evandro Menezes  <e.menezes@samsung.com>
4908         Rename the AArch64 tuning option and related functions to enable the
4909         Newton series for the reciprocal square root to reflect its
4910         approximative characteristic.
4912         * config/aarch64/aarch64-protos.h (aarch64_emit_swrsqrt): Rename
4913         function to "aarch64_emit_approx_rsqrt".
4914         * config/aarch64/aarch64-tuning-flags.def: Rename tuning flag to
4915         AARCH64_EXTRA_TUNE_APPROX_RSQRT.
4916         * config/aarch64/aarch64.c (exynosm1_tunigs): Use new flag name.
4917         (xgene1_tunings): Likewise.
4918         (use_rsqrt_p): Likewise.
4919         (aarch64_emit_swrsqrt): Use new function name.
4920         * config/aarch64/aarch64-simd.md (aarch64_rsqrts_*): Likewise.
4921         * config/aarch64/aarch64.opt (mlow-precision-recip-sqrt): Reword the
4922         text explaining this option.
4923         * doc/invoke.texi (-mlow-precision-recip-sqrt): Likewise.
4925 2016-02-26  Jakub Jelinek  <jakub@redhat.com>
4927         PR target/69969
4928         * config/rs6000/rs6000.c (rs6000_option_override_internal): Don't
4929         complain about -mallow-movmisalign without -mvsx if
4930         TARGET_ALLOW_MOVMISALIGN was not set explicitly.
4932 2016-02-26  Joel Sherrill  <joel@rtems.org>
4934         * config.gcc: Add x86_64-*-rtems*.
4935         * gcc/config/i386/rtems-64.h: New file.
4937 2016-02-26  Joel Sherrill  <joel@rtems.org>
4939         * config.gcc: Add aarch64-*-rtems*.
4940         * gcc/config/aarch64/rtems.h: New file.
4942 2016-02-26  Segher Boessenkool  <segher@kernel.crashing.org>
4944         PR target/69946
4945         * config/rs6000/rs6000.c (rs6000_insn_for_shift_mask): Print rlwinm
4946         shift amount using %h.  Add comment.
4948 2016-02-26  Richard Biener  <rguenther@suse.de>
4949             Jeff Law  <law@redhat.com>
4951         PR tree-optimization/69740
4952         * cfghooks.c (remove_edge): Request loop fixups if we delete
4953         an edge that might turn an irreducible loop into a natural
4954         loop.
4956 2016-02-26  Martin Jambor  <mjambor@suse.cz>
4958         PR middle-end/69920
4959         * tree-sra.c (sra_modify_assign): Do not remove loads of
4960         uninitialized aggregates to SSA_NAMEs.
4962 2016-02-26  Richard Henderson  <rth@redhat.com>
4964         PR target/69709
4965         * config/s390/s390.md (risbg and risbgn splitters): Allocate new
4966         pseudo in case the target rtx matches the source of the left
4967         shift.
4969 2016-02-26  Martin Jambor  <mjambor@suse.cz>
4971         PR hsa/69568
4972         * hsa.h (hsa_type_packed_p): Declare.
4973         * hsa.c (hsa_type_packed_p): New function.
4974         * hsa-gen.c (mem_type_for_type): Use unsigned type for packed
4975         loads.
4976         (gen_hsa_insns_for_store): Use hsa_type_packed_p.
4977         * hsa-brig.c (emit_basic_insn): Likewise.
4979 2016-02-26  Martin Jambor  <mjambor@suse.cz>
4981         pr hsa/69674
4982         * hsa-gen.c (gen_hsa_phi_from_gimple_phi): Use proper hsa type for
4983         pointers.
4984         (gen_hsa_addr): Allow integer constants in TMR_INDEX2.
4986 2016-02-26  Martin Jambor  <mjambor@suse.cz>
4988         * hsa.h (is_a_helper): New overload for hsa_op_immed for
4989         hsa_op_with_type operands.
4990         (hsa_unsigned_type_for_type): Declare.
4991         * hsa.c (hsa_unsigned_type_for_type): New function.
4992         * hsa-gen.c (gen_hsa_binary_operation): Use hsa_unsigned_type_for_type.
4993         (gen_hsa_insns_for_operation_assignment): Satisfy constrains of
4994         the finalizer.  Do not emit extra move.
4996 2016-02-26  Martin Jambor  <mjambor@suse.cz>
4998         * hsa-gen.c (gen_hsa_ternary_atomic_for_builtin): Fail in presence of
4999         atomic operations in private segment.
5001 2016-02-26  Martin Jambor  <mjambor@suse.cz>
5003         * omp-low.c (grid_find_ungridifiable_statement): Store problematic
5004         statements to wi->info.  Also disallow omp simd constructs.
5005         (grid_target_follows_gridifiable_pattern): Use wi.info to dump reason
5006         for not gridifying.  Dump special string for omp_for.
5008 2016-02-26  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5010         PR target/69245
5011         * config/aarch64/aarch64.c (aarch64_set_current_function):
5012         Save/restore target globals when switching to
5013         target_option_default_node.
5015 2016-02-26  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5017         PR target/69613
5018         * config/aarch64/aarch64.c (aarch64_shift_truncation_mask):
5019         Return 0 if !SHIFT_COUNT_TRUNCATED.
5021 2016-02-26  Jakub Jelinek  <jakub@redhat.com>
5022             Eric Botcazou  <ebotcazou@adacore.com>
5024         PR rtl-optimization/69891
5025         * dse.c (scan_insn): If we can't figure out memset arguments
5026         or they are non-constant, call clear_rhs_from_active_local_stores.
5028 2016-02-26  Martin Liska  <mliska@suse.cz>
5030         * doc/extend.texi: Mention clog10, clog10f an clog10l
5031         in Builtins section.
5033 2016-02-26  Martin Liska  <mliska@suse.cz>
5035         * dwarf2out.c (new_loc_descr): Replace ENABLE_CHECKING with
5036         CHECKING_P.
5037         (resolve_args_picking_1): Likewise.
5038         * dwarf2out.h (struct GTY): Likewise.
5040 2016-02-26  Martin Liska  <mliska@suse.cz>
5042         * hsa-gen.c (generate_hsa): Replace ENABLE_CHECKING macro
5043         with flag_checking.
5044         * hsa-regalloc.c (linear_scan_regalloc): Likewise.
5046 2016-02-26  Markus Trippelsdorf  <markus@trippelsdorf.de>
5047             Martin Liska  <mliska@suse.cz>
5049         * doc/install.texi: Mention --enable-valgrind-annotations.
5051 2016-02-26  Richard Biener  <rguenther@suse.de>
5053         PR tree-optimization/69551
5054         * tree-ssa-structalias.c (get_constraint_for_ssa_var): When
5055         looking through aliases adjust DECL_PT_UID to refer to the
5056         ultimate alias target.
5058 2016-02-25  Martin Liska  <mliska@suse.cz>
5060         PR middle-end/69919
5061         * alloc-pool.c (after_memory_report): New variable.
5062         * alloc-pool.h (base_pool_allocator ::release): Do not use
5063         the infrastructure if after_memory_report.
5064         * toplev.c (toplev::main): Mark after memory report.
5066 2016-02-25  Richard Biener  <rguenther@suse.de>
5068         PR tree-optimization/48795
5069         * tree-vrp.c (check_array_ref): Use array_at_struct_end_p.
5071 2016-02-25  Ilya Verbin  <ilya.verbin@intel.com>
5073         PR driver/68463
5074         * config/gnu-user.h (CRTOFFLOADBEGIN): Define.  Add crtoffloadbegin.o if
5075         offloading is enabled and -fopenacc or -fopenmp is specified.
5076         (CRTOFFLOADEND): Likewise.
5077         (GNU_USER_TARGET_STARTFILE_SPEC): Add CRTOFFLOADBEGIN.
5078         (GNU_USER_TARGET_ENDFILE_SPEC): Add CRTOFFLOADEND.
5079         * lto-wrapper.c (offloadbegin, offloadend): Remove static vars.
5080         (offload_objects_file_name): New static var.
5081         (tool_cleanup): Remove offload_objects_file_name file.
5082         (find_offloadbeginend): Replace with ...
5083         (find_crtoffloadtable): ... this.
5084         (run_gcc): Remove offload_argc and offload_argv.
5085         Get offload_objects_file_name from -foffload-objects=... option.
5086         Read names of object files with offload from this file, pass them to
5087         compile_images_for_offload_targets.  Don't call find_offloadbeginend and
5088         don't pass offloadbegin and offloadend to the linker.  Don't pass
5089         offload non-LTO files to the linker, because now they're not claimed.
5091 2016-02-25  Jan Hubicka  <hubicka@ucw.cz>
5093         PR ipa/69630
5094         * ipa-devirt.c (possible_polymorphic_call_targets): Do not ICE
5095         on builtin_unreachable.
5097 2016-02-25  Jakub Jelinek  <jakub@redhat.com>
5099         PR rtl-optimization/69896
5100         * regcprop.c: Include cfgrtl.h.
5101         (copyprop_hardreg_forward_1): If noop_p insn uses narrower
5102         than remembered mode, either delete it (if noop_move_p), or
5103         treat like copy_p but not noop_p instruction.
5105 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
5107         PR debug/69705
5108         * dwarf2out.c (gen_variable_die): Work around buggy LTO
5109         - allow NULL decl for Fortran DW_TAG_common_block variables.
5111 2016-02-24  Jason Merrill  <jason@redhat.com>
5113         * common.opt (flifetime-dse): Add -flifetime-dse=1.
5115 2016-02-24  Richard Biener  <rguenther@suse.de>
5116             Jakub Jelinek  <jakub@redhat.com>
5118         PR middle-end/69760
5119         * tree-scalar-evolution.c (interpret_rhs_expr): Re-write
5120         conditionally executed ops to well-defined overflow behavior.
5122 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
5124         PR middle-end/69915
5125         * tree.c (build_vector_from_ctor): Fix handling of VECTOR_CST
5126         elements.
5128 2016-02-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5130         PR rtl-optimization/69886
5131         * gcse.c (can_assign_to_reg_without_clobbers_p): Accept mode
5132         argument.  Use it when checking validity of set instructions.
5133         (want_to_gcse_p): Pass mode to can_assign_to_reg_without_clobbers_p.
5134         (compute_ld_motion_mems): Update can_assign_to_reg_without_clobbers_p
5135         callsite.
5136         * rtl.h (can_assign_to_reg_without_clobbers_p): Update prototype.
5137         * store-motion.c (find_moveable_store): Update
5138         can_assign_to_reg_without_clobbers_p callsite.
5140 2016-02-24  Richard Biener  <rguenther@suse.de>
5142         PR middle-end/68963
5143         * tree-ssa-loop-niter.c (derive_constant_upper_bound_ops): Fix
5144         bogus check.
5145         (record_nonwrapping_iv): Do not fall back to the low/high bound
5146         for non-constant IV bases if the stmt is not always executed.
5148 2016-02-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5150         * config/arm/arm-cores.def (cortex-a32): New entry.
5151         * config/arm/arm-tables.opt: Regenerate.
5152         * config/arm/arm-tune.md: Regenerate.
5153         * config/arm/bpabi.h (BE8_LINK_SPEC): Add mcpu=cortex-a32.
5154         * config/arm/t-aprofile: Handle mcpu=cortex-a32.
5155         * doc/invoke.texi (ARM Options): Document cortex-a32 as value
5156         for -mcpu and -mtune.
5158 2016-02-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5160         PR target/69875
5161         * config/arm/arm.h (TARGET_HAVE_LPAE): Define.
5162         * config/arm/unspecs.md (VUNSPEC_LDRD_ATOMIC): New value.
5163         * config/arm/sync.md (arm_atomic_loaddi2_ldrd): New pattern.
5164         (atomic_loaddi_1): Delete.
5165         (atomic_loaddi): Rewrite expander using the above changes.
5167 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
5169         PR c/69918
5170         * params.def (PARAM_MAX_SSA_NAME_QUERY_DEPTH): Bump default from
5171         2 to 3.
5173 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
5174             Richard Biener  <rguenth@suse.de>
5176         PR middle-end/69909
5177         * expr.c (expand_expr_real_1) <normal_inner_ref>: Avoid
5178         set_mem_attributes if tem is SSA_NAME which got expanded
5179         as a MEM.
5181 2016-02-24  Richard Biener  <rguenther@suse.de>
5183         PR tree-optimization/69907
5184         * tree-vect-stmts.c (vectorizable_load): Check for gaps at the
5185         end of permutations for BB vectorization.
5187 2016-02-24  Christian Bruel  <christian.bruel@st.com>
5189         * config/arm/arm-c.c (arm_option_override): Initialize
5190         target_option_current_node.
5191         * config/arm/arm.c (arm_pragma_target_parse): Replace
5192         build_target_option_node call by target_option_current_node.
5193         Set target_option_current_node.
5194         Fix comments.
5196 2016-02-23  David Edelsohn  <dje.gcc@gmail.com>
5198         PR target/69810
5199         * config/rs6000/rs6000.md (zero_extendqi<mode>2_dot): Convert from
5200         define_insn_and_split to define_insn.
5201         (zero_extendqi<mode>2_dot2): Same.
5202         (extendqi<mode>2_dot): Same.
5203         (extendqi<mode>2_dot2): Same.
5205 2016-02-23  Evandro Menezes  <e.menezes@samsung.com>
5207         * config/arm/exynos-m1.md: Change cost of STP, fix bypass for stores
5208         and add bypass for AES{D,E} and AESMC pairs.
5209         * config/aarch64/aarch64.c (exynosm1_tunings): Enable fusion of AES{D,E}
5210         and AESMC pairs.
5212 2016-02-23  Evandro Menezes  <e.menezes@samsung.com>
5214         * config/aarch64/aarch64.c (exynosm1_tunings): Enable the Newton
5215         series for reciprocal square root in Exynos M1.
5217 2016-02-23  Martin Sebor  <msebor@redhat.com>
5219         PR c/69759
5220         * doc/extend.texi (Other Builtins): Document __builtin_alloca and
5221         __builtin_alloca_with_align.
5223 2016-02-23  Richard Henderson  <rth@redhat.com>
5225         * config/i386/i386-c.c (ix86_target_macros): Remove __SEG_TLS.
5226         (ix86_register_pragmas): Remove __seg_tls.
5227         * config/i386/i386-protos.h (ADDR_SPACE_SEG_TLS): Remove.
5228         * config/i386/i386.c (ix86_print_operand_address_as): Don't handle it.
5229         (ix86_addr_space_subset_p, TARGET_ADDR_SPACE_SUBSET_P): Remove.
5230         (ix86_addr_space_convert, TARGET_ADDR_SPACE_CONVERT): Remove.
5231         (ix86_addr_space_debug, TARGET_ADDR_SPACE_DEBUG): Remove.
5232         * doc/extend.texi (__seg_tls): Remove item.
5234 2016-02-23  Richard Biener  <rguenther@suse.de>
5236         * alloc-pool.h (struct allocation_object): Make id member
5237         conditional on CHECKING_P again.
5238         (get_instance): Adjust.
5239         (base_pool_allocator): Likewise.
5241 2016-02-23  Thomas Schwinge  <thomas@codesourcery.com>
5243         * tree-parloops.c (create_parallel_loop, gen_parallel_loop)
5244         (parallelize_loops): In OpenACC kernels mode, set n_threads to
5245         zero.
5246         (pass_parallelize_loops::gate): In OpenACC kernels mode, gate on
5247         flag_openacc.
5248         * tree-ssa-loop.c (gate_oacc_kernels): Likewise.
5250 2016-02-23  Richard Biener  <rguenther@suse.de>
5252         * mem-stats.h (struct mem_usage): Use PRIu64 for printing size_t.
5253         * bitmap.h (struct bitmap_usage): Likewise.
5254         (bitmap_move): Declare.
5255         * bitmap.c (register_overhead): Take size_t argument.
5256         (bitmap_move): New function.
5257         * df-problems.c (df_rd_transfer_function): Use bitmap_move
5258         to properly account overhead.
5259         * tree.c (free_node): Use tree_size.
5261 2016-02-23  Jakub Jelinek  <jakub@redhat.com>
5263         PR c++/69902
5264         * fold-const.c (fold_truth_not_expr): Propagate TREE_NO_WARNING
5265         when inverting comparison.
5267         PR c/69900
5268         * common.opt (Wunreachable-code): Add Warning flag.
5270 2016-02-23  Mark Wielaard  <mjw@redhat.com>
5271             Jakub Jelinek  <jakub@redhat.com>
5273         PR c/69911
5274         * cgraphunit.c (check_global_declaration): Check main_input_filename
5275         and DECL_SOURCE_FILE are not NULL.
5277 2016-02-23  Martin Jambor  <mjambor@suse.cz>
5279         PR tree-optimization/69666
5280         * tree-sra.c (sra_modify_assign): Do not attempt to create
5281         default_def replacements for unscalarizable regions.
5283 2016-02-20  Mark Wielaard  <mjw@redhat.com>
5285         PR c/28901
5286         * cgraphunit.c (check_global_declaration): Check level of
5287         warn_unused_const_variable and main_input_filename.
5288         * doc/invoke.texi (Warning Options): Add -Wunused-const-variable=.
5289         (-Wunused-variable): For C implies -Wunused-const-variable=1.
5290         (-Wunused-const-variable): Explain levels 1 and 2.
5292 2016-02-22  Jakub Jelinek  <jakub@redhat.com>
5294         PR target/69888
5295         * config/i386/i386.c (decide_alg): Ensure we don't recurse with
5296         identical arguments.  Formatting and spelling fixes.
5298         PR target/69885
5299         * doc/md.texi (ashl@var{m}3): Document that mode of operand 2 must
5300         be specified.
5302         PR target/69894
5303         PR target/69895
5304         * config/m68k/t-opts (OPTIONS_H_EXTRA): Add m68k-microarchs.def
5305         and m68k-devices.def.
5306         * config/c6x/t-c6x (OPTIONS_H_EXTRA): Add c6x-isas.def.
5307         * config/aarch64/t-aarch64 (OPTIONS_H_EXTRA): Add aarch64-arches.def.
5309 2016-02-22  Cesar Philippidis  <cesar@codesourcery.com>
5311         * config/nvptx/nvptx.c (nvptx_gen_shuffle): Add support for QImode
5312         and HImode registers.
5314 2016-02-22  Richard Biener  <rguenther@suse.de>
5316         PR tree-optimization/69882
5317         * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Properly
5318         preserve permutations present because of gaps.
5319         (vect_supported_load_permutation_p): Always continue checking
5320         permutations after vect_attempt_slp_rearrange_stmts.
5322 2016-02-22  Bin Cheng  <bin.cheng@arm.com>
5324         * tree-vect-loop.c (vect_estimate_min_profitable_iters): Dump
5325         min_profitable_estimate, rather than min_profitable_iters.
5327 2016-02-22  Jakub Jelinek  <jakub@redhat.com>
5329         PR target/69885
5330         * config/m68k/m68k.md (ashldi3, ashrdi3, lshrdi3): Use
5331         SImode for last match_operand.
5333 2016-02-22  Martin Liska  <mliska@suse.cz>
5335         * hsa-gen.c (gen_hsa_clrsb): In case of zero value,
5336         return bitsize - 1 as the return value.
5338 2016-02-22  Oleg Endo  <olegendo@gcc.gnu.org>
5340         PR target/69806
5341         PR target/54089
5342         * config/sh/sh.c (sh_lshrsi_clobbers_t_reg_p, sh_dynamicalize_shift_p):
5343         Handle negative shift counts.
5344         * config/sh/sh.md (ashlsi3, lshrsi3_n, lshrsi3_n_clobbers_t): Don't use
5345         force_reg on the shift constant.
5346         (lshrsi3): Likewise.  Expand into lshrsi3_n* instead of lshrsi3_d.
5347         (lshrsi3_d): Handle negative shift counts.
5349 2016-02-22  Richard Biener  <rguenther@suse.de>
5350             Tom de Vries  <tom@codesourcery.com>
5352         * graph.c: Include dumpfile.h.
5353         (print_graph_cfg): Split into three overloads.
5354         * gdbhooks.py (class DotFn): Add and instantiate, adding command dot-fn.
5356 2016-02-22  Tom de Vries  <tom@codesourcery.com>
5358         * gdbhooks.py (class DumpFn): Add and instantiate, adding command
5359         dump-fn.
5361 2016-02-22  Richard Biener  <rguenther@suse.de>
5363         PR ipa/37448
5364         * ipa-inline-transform.c (inline_call): When not updating
5365         overall summaries adjust self size by the growth estimate.
5366         * ipa-inline.c (inline_to_all_callers_1): Add to the callers
5367         hash-set, do not update overall summaries here.  Renamed from ...
5368         (inline_to_all_callers): ... this which is now wrapping the
5369         above and performing delayed overall summary update.
5370         (early_inline_small_functions): Delay updating of the overall
5371         summary.
5373 2016-02-21  Markus Trippelsdorf  <markus@trippelsdorf.de>
5375         * tree-chkp.c (chkp_mark_invalid_bounds_walker): Initialize
5376         variable.
5378 2016-02-19  Jakub Jelinek  <jakub@redhat.com>
5380         PR driver/69805
5381         * gcc.c (LINK_COMMAND_SPEC, GOMP_SELF_SPECS): Use
5382         :%* in %:gt() argument.
5383         (greater_than_spec_func): Adjust for expecting only numbers,
5384         if there are more than two numbers, compare the last two.
5386 2016-02-19  Jonathan Wakely  <jwakely@redhat.com>
5388         * doc/invoke.texi (C++ Dialect Options): Clarify interaction of
5389         -Wnarrowing with -std.
5391 2016-02-19  Jakub Jelinek  <jakub@redhat.com>
5393         PR c++/69851
5394         * expr.c (store_field): Don't use bit-field path if exp is
5395         COMPONENT_REF with TREE_ADDRESSABLE type, where TYPE_SIZE is
5396         different from bitsize, but DECL_SIZE of FIELD_DECL is bitsize
5397         and the assignment can be performed by bitwise copy.  Formatting
5398         fix.
5400         PR middle-end/69838
5401         * lra.c (lra_process_new_insns): If non-call exceptions are enabled,
5402         call copy_reg_eh_region_note_forward on before and/or after sequences
5403         and remove note from insn if it no longer can throw.
5405         PR target/69820
5406         * config/i386/sse.md (VI_512): Only include V64QImode and V32HImode
5407         if TARGET_AVX512BW.
5409 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
5411         * config/s390/vector.md: Add missing commutative operand markers
5412         to the patterns which qualify for one.
5413         * config/s390/vx-builtins.md: Likewise.
5415 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
5417         * config/s390/vector.md (VI, VI_QHS): Add single element vector
5418         types to mode iterators.
5419         (vec_double): ... and mode attribute.
5420         * config/s390/vx-builtins.md (non_vec_int): Likewise.
5422 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
5424         * config/s390/vector.md ("<ti*>add<mode>3", "<ti*>sub<mode>3"):
5425         Change the predicate of op2 from nonimmediate to general and let
5426         reload fix it if necessary.
5428 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
5430         * config/s390/vecintrin.h (vec_sub_u128): Define missing macro.
5432 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
5434         * config/s390/s390.c (s390_expand_vcond): Use the compare operand
5435         mode.
5437 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
5439         * config/s390/s390-protos.h: Add s390_expand_vec_movstr prototype.
5440         * config/s390/s390.c (s390_expand_vec_movstr): New function.
5441         * config/s390/s390.md ("movstr<P:mode>"): Call
5442         s390_expand_vec_movstr.
5444 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
5446         * config/s390/s390.md: Add missing output modifier for operand 1
5447         to print it as address properly.
5449 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
5451         * config/s390/2827.md: Rename ooo_* insn attributes to zEC12_*.
5452         * config/s390/2964.md: New file.
5453         * config/s390/s390.c (s390_get_sched_attrmask): Use the right set
5454         of insn grouping attributes depending on the CPU level.
5455         (s390_get_unit_mask): New function.
5456         (s390_sched_score): Remove the OOO from the scheduling macros.
5457         Add loop to calculate a score for the instruction mix.
5458         (s390_sched_reorder): Likewise plus improve debug output.
5459         (s390_sched_variable_issue): Rename macros as above.  Calculate
5460         the unit distances after actually scheduling an insn.  Improve
5461         debug output.
5462         (s390_sched_init): Clear last_scheduled_unit_distance array.
5463         * config/s390/s390.md: Include 2964.md.
5465 2016-02-18  Jakub Jelinek  <jakub@redhat.com>
5467         PR target/69671
5468         * config/i386/sse.md (*<floatsuffix>floatv2div2sf2_mask_1,
5469         *avx512vl_<code>v2div2qi2_mask_1, *avx512vl_<code><mode>v4qi2_mask_1,
5470         *avx512vl_<code><mode>v8qi2_mask_1, *avx512vl_<code><mode>v4hi2_mask_1,
5471         *avx512vl_<code>v2div2hi2_mask_1, *avx512vl_<code>v2div2si2_mask_1,
5472         *avx512f_<code>v8div16qi2_mask_1): New insns.
5474 2016-02-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
5476         PR target/68404
5477         * config/rs6000/predicates.md (fusion_gpr_addis): Revert
5478         2016-02-09 change.
5480         * config/rs6000/rs6000.md (fusion_gpr_load_<mode>): Remove
5481         earlyclobber from target.  Use wF constraint for fused memory
5482         address.
5483         (fusion_gpr_<P:mode>_<GPR_FUSION:mode>_load): Likewise.
5485 2016-02-18  Jakub Jelinek  <jakub@redhat.com>
5486             Martin Liska  <mliska@suse.cz>
5488         PR sanitizer/69863
5489         * cfgexpand.c (asan_sanitize_stack_p): New function.
5490         (partition_stack_vars): Use the function.
5491         (expand_stack_vars): Likewise.
5492         (defer_stack_allocation): Likewise.
5493         (expand_used_vars): Likewise.
5495 2016-02-18  Richard Biener  <rguenther@suse.de>
5497         PR middle-end/69553
5498         * fold-const.c (operand_equal_p): Properly compare offsets for
5499         IMAGPART_EXPR and ARRAY_REF.
5501 2016-02-18  Nick Clifton  <nickc@redhat.com>
5503         PR target/62254
5504         PR target/69610
5505         * config/arm/arm.c (arm_option_override_internal): Disable
5506         interworking if the target does not support thumb instructions.
5507         (arm_reload_in_hi): Handle the case where a register to register
5508         move needs reloading because there is no simple pattern to handle
5509         it.
5510         (arm_reload_out_hi): Likewise.
5512 2016-02-18  Richard Biener  <rguenther@suse.de>
5514         PR middle-end/69854
5515         * match.pd: Don't use fold_binary or fold_unary for folding
5516         constants.
5518 2016-02-17  Jakub Jelinek  <jakub@redhat.com>
5520         PR c++/69850
5521         * gimplify.c (gimplify_cond_expr): Call gimple_set_no_warning
5522         on the cond_stmt from TREE_NO_WARNING on COND_EXPR_COND.
5523         * gimple-ssa-nonnull-compare.c (do_warn_nonnull_compare): Don't
5524         warn on gimple_no_warning_p statements.
5526 2016-02-17  Jonathan Wakely  <jwakely@redhat.com>
5528         * doc/extend.texi (C++ Attributes): Correct description of
5529         warn_unused type attribute.
5531 2016-02-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
5533         * config/rs6000/altivec.md (*altivec_lvxl_<mode>_internal): Output
5534         correct instruction.
5536 2016-02-17  Richard Biener  <rguenther@suse.de>
5538         PR rtl-optimization/69609
5539         * bb-reorder.c (struct bbro_basic_block_data): Add priority member.
5540         (find_traces_1_round): When ending a trace update cached priority
5541         of successors.
5542         (bb_to_key): Use cached priority when available.
5543         (copy_bb): Initialize cached priority.
5544         (reorder_basic_blocks_software_trace_cache): Likewise.
5546 2016-02-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5548         PR target/69161
5549         * config/aarch64/predicates.md (aarch64_comparison_operator_mode):
5550         New predicate.
5551         (aarch64_comparison_operator): Break overly long line into two.
5552         (aarch64_comparison_operation): Likewise.
5553         * config/aarch64/aarch64.md (cstorecc4): Use
5554         aarch64_comparison_operator_mode instead of
5555         aarch64_comparison_operator.
5556         (cstore<mode>4): Likewise.
5557         (aarch64_cstore<mode>): Likewise.
5558         (*cstoresi_insn_uxtw): Likewise.
5559         (cstore<mode>_neg): Likewise.
5560         (*cstoresi_neg_uxtw): Likewise.
5562 2016-02-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5564         PR target/69161
5565         * config/arm/predicates.md (arm_comparison_operator_mode):
5566         New predicate.
5567         * config/arm/arm.md (*mov_scc): Use arm_comparison_operator_mode
5568         instead of arm_comparison_operator.
5569         (*mov_negscc): Likewise.
5570         (*mov_notscc): Likewise.
5571         * config/arm/thumb2.md (*thumb2_mov_scc): Likewise.
5572         (*thumb2_mov_negscc): Likewise.
5573         (*thumb2_mov_negscc_strict_it): Likewise.
5574         (*thumb2_mov_notscc): Likewise.
5575         (*thumb2_mov_notscc_strict_it): Likewise.
5577 2016-02-17  Wilco Dijkstra  <wdijkstr@arm.com>
5579         * config/aarch64/aarch64.c (aarch64_internal_mov_immediate):
5580         Add missing return.
5582 2016-02-17  Eric Botcazou  <ebotcazou@adacore.com>
5584         * config/visium/visium.c (machine_libfunc_index): New enum.
5585         (machine_libfuncs): New structure.
5586         (visium_libfuncs): New static variable.
5587         (TARGET_INIT_LIBFUNCS): Define to...
5588         (visium_init_libfuncs): ...this.  New function.
5589         (expand_block_move_4): Use the appropriate libfunc.
5590         (expand_block_move_2): Likewise.
5591         (expand_block_move_1): Likewise.
5592         (expand_block_set_4): Likewise.
5593         (expand_block_set_2): Likewise.
5594         (expand_block_set_1): Likewise.
5595         (visium_trampoline_init): Likewise.
5597 2016-02-17  Nick Clifton  <nickc@redhat.com>
5599         * config/msp430/msp430.c (msp430_mcu_data): Sync with data from
5600         TI's devices.csv file as of March 2016.
5602 2016-02-16  Kelvin Nilsen  <kelvin@gcc.gnu.org>
5604         PR Target/48344
5605         * opts-global.c (handle_common_deferred_options): Introduce and
5606         initialize two global variables to remember command-line options
5607         specifying a stack-limiting register.
5608         * opts.h: Add extern declarations of the two new global variables.
5609         * emit-rtl.c (init_emit_once): Initialize the stack_limit_rtx
5610         variable based on the values of the two new global variables.
5612 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
5614         PR c/69835
5615         * common.opt (Wnonnull-compare): New warning.
5616         * doc/invoke.texi (-Wnonnull): Remove text about comparison
5617         of arguments against NULL.
5618         (-Wnonnull-compare): Document.
5619         * Makefile.in (OBJS): Add gimple-ssa-nonnull-compare.o.
5620         * tree-pass.h (make_pass_warn_nonnull_compare): Declare.
5621         * passes.def (pass_warn_nonnull_compare): Add.
5622         * gimple-ssa-nonnull-compare.c: New file.
5624 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
5626         * config/aarch64/aarch64.c (cortexa57_tunings): Remove
5627         AARCH64_EXTRA_TUNE_RECIP_SQRT.
5629 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
5631         * config/aarch64/aarch64.c (use_rsqrt_p): Always use software
5632         reciprocal sqrt for -mlow-precision-recip-sqrt.
5634 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
5635             Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
5637         * config/aarch64/aarch64.c (aarch64_expand_vector_init): Refactor,
5638         always use lane loads to construct non-constant vectors.
5640 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
5642         * config/aarch64/aarch64.md
5643         (arch64_sqrdml<SQRDMLH_AS:rdma_as>h_lane<mode>): Fix register
5644         constraints for operand 3.
5645         (aarch64_sqrdml<SQRDMLH_AS:rdma_as>h_laneq<mode>): Likewise.
5647 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
5648             Richard Biener  <rguenther@suse.de>
5650         PR tree-optimization/69820
5651         * tree-vect-patterns.c (type_conversion_p): Return false if
5652         *orig_type is unsigned single precision or boolean.
5653         (vect_recog_dot_prod_pattern, vect_recog_widen_mult_pattern):
5654         Formatting fix.
5656 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
5658         PR rtl-optimization/69764
5659         PR rtl-optimization/69771
5660         * optabs.c (expand_binop): Ensure for shift optabs invalid CONST_INT
5661         op1 is valid for GET_MODE_INNER (mode) and force it into a reg.
5663 2016-02-16  Richard Biener  <rguenther@suse.de>
5665         PR tree-optimization/69776
5666         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Get alias
5667         sets from caller.
5668         (indirect_refs_may_alias_p): Likewise.
5669         (refs_may_alias_p_1): Pass alias sets as from ao_ref.
5670         * tree-ssa-sccvn.c (vn_reference_lookup): Also adjust vr alias-set
5671         according to tbaa_p.
5672         * tree-ssa-dom.c (lookup_avail_expr): Add tbaa_p flag.
5673         (optimize_stmt): For redundant store discovery do not allow tbaa.
5675 2016-02-16  Bernd Schmidt  <bschmidt@redhat.com>
5677         PR tree-optimization/69714
5678         * tree-ssa-math-opts.c (find_bswap_or_nop): Revert previous change.
5679         Return NULL if we have irrelevant high bytes on BIG_ENDIAN.
5681 2016-02-16  Claudiu Zissulescu  <claziss@synopsys.com>
5683         * config/arc/arc-modes.def (CC_FPU, CC_FPU_UNEQ): New modes.
5684         * config/arc/arc-opts.h (FPU_SP, FPU_SF, FPU_SC, FPU_SD, FPU_DP)
5685         (FPU_DF, FPU_DC, FPU_DD, FXP_DP): Define.
5686         * config/arc/arc.c (arc_init): Check FPU options.
5687         (get_arc_condition_code): Handle new CC_FPU* modes.
5688         (arc_select_cc_mode): Likewise.
5689         (arc_conditional_register_usage): Allow 64 bit datum into even-odd
5690         register pair only. Allow access for ARCv2 accumulator.
5691         (gen_compare_reg): Whenever we have FPU support use FPU compare
5692         instructions.
5693         (arc_reorg): Don't generate brcc insns when FPU compare
5694         instructions are involved.
5695         * config/arc/arc.h (TARGET_DPFP): Add TARGET_FP_DPAX condition.
5696         (TARGET_OPTFPE): Add condition when ARC EM can use optimized
5697         floating point emulation.
5698         (ACC_REG_FIRST, ACC_REG_LAST, ACCL_REGNO, ACCH_REGNO): Define.
5699         (REVERSE_CONDITION): Add new CC_FPU* modes.
5700         (TARGET_FP_SP_BASE): Define.
5701         (TARGET_FP_DP_BASE): Likewise.
5702         (TARGET_FP_SP_FUSED): Likewise.
5703         (TARGET_FP_DP_FUSED): Likewise.
5704         (TARGET_FP_SP_CONV): Likewise.
5705         (TARGET_FP_DP_CONV): Likewise.
5706         (TARGET_FP_SP_SQRT): Likewise.
5707         (TARGET_FP_DP_SQRT): Likewise.
5708         (TARGET_FP_DP_AX): Likewise.
5709         * config/arc/arc.md (ARCV2_ACC): New constant.
5710         (type): New fpu type attribute.
5711         (SDF): Conditional iterator.
5712         (cstore<mode>, cbranch<mode>): Change expand condition.
5713         (addsf3, subsf3, mulsf3, adddf3, subdf3, muldf3): New expands,
5714         handles FPU/FPX cases as well.
5715         * config/arc/arc.opt (mfpu): New option.
5716         * config/arc/fpx.md (addsf3_fpx, subsf3_fpx, mulsf3_fpx):
5717         Renamed.
5718         (adddf3, muldf3, subdf3): Removed.
5719         * config/arc/predicates.md (proper_comparison_operator): Recognize
5720         CC_FPU* modes.
5721         * config/arc/fpu.md: New file.
5722         * doc/invoke.texi (ARC Options): Document mfpu option.
5724 2016-02-16  Richard Biener  <rguenther@suse.de>
5726         PR rtl-optimization/69291
5727         * ifcvt.c (noce_try_store_flag_constants): Re-instantiate
5728         noce_operand_ok check.
5730 2016-02-16  Tom de Vries  <tom@codesourcery.com>
5732         PR lto/67709
5733         * omp-low.c (simd_clone_create): Remove call to
5734         symtab->call_cgraph_insertion_hooks.
5736 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
5738         PR tree-optimization/69802
5739         * tree-ssa-reassoc.c (update_range_test): If op is
5740         SSA_NAME_IS_DEFAULT_DEF, give up unless tem is a positive
5741         op == 1 test of precision 1 integral op, otherwise handle
5742         that case as op itself.  Fix up formatting.
5743         (optimize_range_tests_to_bit_test, optimize_range_tests): Fix
5744         up formatting.
5746 2016-02-16  Richard Biener  <rguenther@suse.de>
5748         PR tree-optimization/69586
5749         * tree-vrp.c (register_edge_assert_for_2): Handle all integral
5750         types for conversion sources.
5752 2016-02-16  Richard Biener  <rguenther@suse.de>
5754         PR middle-end/69801
5755         * fold-const.c (operand_equal_p): For COND_EXPR zero operand
5756         mask OEP_ADDRESS_OF.
5758 2016-02-16  Alan Modra  <amodra@gmail.com>
5760         PR target/68973
5761         * config/rs6000/rs6000.md (reload_vsx_from_gprsf): Rewrite splitter.
5762         (p8_mtvsrd_df, p8_mtvsrd_sf): New.
5763         (p8_mtvsrd_1, p8_mtvsrd_2): Delete.
5764         (p8_mtvsrwz): New.
5765         (p8_mtvsrwz_1, p8_mtvsrwz_2): Delete.
5766         (p8_xxpermdi_<mode>): Take two DF inputs rather than one TF.
5767         (p8_fmrgow_<mode>): Likewise.
5768         (reload_vsx_from_gpr<mode>): Make clobber IF.  Adjust for above
5769         changes.
5770         (reload_fpr_from_gpr<mode>): Similarly. Use "d" for op0 constraint.
5771         (reload_vsx_from_gprsf): Use p8_mtvsrd_sf rather than attempting
5772         to use movdi_internal64.  Remove op0_di.
5773         * config/rs6000/vsx.md (vsx_xscvspdpn_directmove): Make op1 SFmode.
5775 2016-02-15  Evandro Menezes  <e.menezes@samsung.com>
5777         Add support for the FCCMP insn types
5779         * config/aarch64/aarch64.md (fccmp): Change insn type.
5780         (fccmpe): Likewise.
5781         * config/aarch64/thunderx.md (thunderx_fcmp): Add "fccmp{s,d}" types.
5782         * config/arm/cortex-a53.md (cortex_a53_fpalu): Likewise.
5783         * config/arm/cortex-a57.md (cortex_a57_fp_cmp): Likewise.
5784         * config/arm/xgene1.md (xgene1_fcmp): Likewise.
5785         * config/arm/exynos-m1.md (exynos_m1_fp_ccmp): New insn reservation.
5786         * config/arm/types.md (fccmps): Add new insn type.
5787         (fccmpd): Likewise.
5789 2016-02-15  Bernd Edlinger  <bernd.edlinger@hotmail.de>
5791         * alias.c (get_alias_set): Fix a typo in comment.
5793 2016-02-15  Richard Biener  <rguenther@suse.de>
5795         PR tree-optimization/69595
5796         * match.pd: Complete range test simplification to true.
5798 2016-02-15  Bernd Schmidt  <bschmidt@redhat.com>
5800         PR rtl-optimization/69648
5801         * lra-constraints.c (update_ebb_live_info): Don't remove sets of
5802         pic_offset_table_rtx.
5804         PR rtl-optimization/69752
5805         * ira.c (update_equiv_regs): When looking for more than a single SET,
5806         also take other side effects into account.
5808 2016-02-15  Marcin Kościelnicki  <koriakin@0x04.net>
5810         * config/s390/s390.c (s390_function_profiler): Add a new sequence
5811         for z900+ CPUs in 31-bit mode.
5813 2016-02-15  Marcin Kościelnicki  <koriakin@0x04.net>
5815         * common/config/s390/s390-common.c (s390_supports_split_stack):
5816         New function.
5817         (TARGET_SUPPORTS_SPLIT_STACK): New macro.
5818         * config/s390/s390-protos.h: Add s390_expand_split_stack_prologue.
5819         * config/s390/s390.c (struct machine_function): New field
5820         split_stack_varargs_pointer.
5821         (s390_register_info): Mark r12 as clobbered if it'll be used as temp
5822         in s390_emit_prologue.
5823         (s390_emit_prologue): Use r12 as temp if r1 is taken by split-stack
5824         vararg pointer.
5825         (morestack_ref): New global.
5826         (SPLIT_STACK_AVAILABLE): New macro.
5827         (s390_expand_split_stack_prologue): New function.
5828         (s390_live_on_entry): New function.
5829         (s390_va_start): Use split-stack vararg pointer if appropriate.
5830         (s390_asm_file_end): Emit the split-stack note sections.
5831         (TARGET_EXTRA_LIVE_ON_ENTRY): New macro.
5832         * config/s390/s390.md (UNSPEC_STACK_CHECK): New unspec.
5833         (UNSPECV_SPLIT_STACK_CALL): New unspec.
5834         (UNSPECV_SPLIT_STACK_DATA): New unspec.
5835         (split_stack_prologue): New expand.
5836         (split_stack_space_check): New expand.
5837         (split_stack_data): New insn.
5838         (split_stack_call): New expand.
5839         (split_stack_call_*): New insn.
5840         (split_stack_cond_call): New expand.
5841         (split_stack_cond_call_*): New insn.
5843 2016-02-15  Richard Biener  <rguenther@suse.de>
5845         PR tree-optimization/69783
5846         * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
5847         Add trivially correct cases.
5849 2016-02-15  Tom de Vries  <tom@codesourcery.com>
5851         PR lto/69655
5852         * lto-cgraph.c (input_offload_tables): Add and handle bool parameter
5853         do_force_output.
5854         * lto-streamer.h (input_offload_tables): Add and handle bool parameter.
5856 2016-02-15  Richard Biener  <rguenther@suse.de>
5858         PR tree-optimization/69776
5859         * tree-ssa-sccvn.h (vn_reference_lookup): Adjust prototype.
5860         * tree-ssa-sccvn.c (vn_reference_lookup): Add parameter to
5861         indicate whether we can use TBAA to disambiguate against stores.
5862         Use alias-set zero if not.
5863         (visit_reference_op_store): Do not use TBAA when looking up
5864         redundant stores.
5865         * tree-ssa-pre.c (compute_avail): Use TBAA here.
5866         (eliminate_dom_walker::before_dom_children): But not when looking
5867         up redundant stores.
5869 2016-02-14  John David Anglin  <danglin@gcc.gnu.org>
5871         * config/pa/pa.md (absqi2, absghi2, bswaphi2, bswapsi2, bswapdi2): New.
5873 2016-02-14  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
5875         *  config/i386/znver1.md
5876         (znver1_pop, znver1_pop_mem,
5877         znver1_load_imov_double_store,
5878         znver1_load_imov_direct_store,
5879         znver1_load_imov_direct_load,
5880         znver1_load_imov_double_load): Add new.
5881         (znver1_insn, znver1_insn_load): Add icmov type.
5882         (znver1_sseavx_fma,
5883         znver1_sseavx_fma_load,
5884         znver1_avx256_fma,
5885         znver1_avx256_fma_load): Fix pipe usage.
5887 2016-02-14  Alan Modra  <amodra@gmail.com>
5889         PR target/68973
5890         * reloads.c (find_reloads_address_1): For pre/post-inc/dec
5891         with an invalid hard reg, reload just the reg not the entire
5892         pre/post-inc/dec address expression.
5894 2016-02-13  Oleg Endo  <olegendo@gcc.gnu.org>
5896         PR target/67260
5897         * config/sh/sh.md (sibcall_value_pcrel): Replace =&k scratch reg with
5898         fixed R1_REG scratch reg.
5899         (sibcall_value_pcrel_fdpic): Likewise.
5901 2016-02-13  Oleg Endo  <olegendo@gcc.gnu.org>
5903         PR target/67636
5904         PR target/64345
5905         * config/sh/sh.md (*zero_extract_3): New insn_and_split pattern.
5907 2016-02-12  Walter Lee  <walt@tilera.com>
5909         * config/tilepro/t-tilepro: Replace CC_FOR_BUILD with CXX_FOR_BUILD.
5910         * config/tilegx/t-tilegx: Likewise.
5912 2016-02-12  David Malcolm  <dmalcolm@redhat.com>
5914         PR other/69554
5915         * diagnostic-show-locus.c (struct line_span): New struct.
5916         (layout::get_first_line): Delete.
5917         (layout::get_last_line): Delete.
5918         (layout::get_num_line_spans): New member function.
5919         (layout::get_line_span): Likewise.
5920         (layout::print_heading_for_line_span_index_p): Likewise.
5921         (layout::get_expanded_location): Likewise.
5922         (layout::calculate_line_spans): Likewise.
5923         (layout::m_first_line): Delete.
5924         (layout::m_last_line): Delete.
5925         (layout::m_line_spans): New field.
5926         (layout::layout): Update comment.  Replace m_first_line and
5927         m_last_line with m_line_spans, replacing their initialization
5928         with a call to calculate_line_spans.
5929         (diagnostic_show_locus): When printing source lines and
5930         annotations, rather than looping over a single span
5931         of lines, instead loop over each line_span within
5932         the layout, with an inner loop over the lines within them.
5933         Call the context's start_span callback when changing line spans.
5934         * diagnostic.c (diagnostic_initialize): Initialize start_span.
5935         (diagnostic_build_prefix): Break out the building of the location
5936         part of the string into...
5937         (diagnostic_get_location_text): ...this new function, rewriting
5938         it from nested ternary expressions to a sequence of "if"
5939         statements.
5940         (default_diagnostic_start_span_fn): New function.
5941         * diagnostic.h (diagnostic_start_span_fn): New typedef.
5942         (diagnostic_context::start_span): New field.
5943         (default_diagnostic_start_span_fn): New prototype.
5945 2016-02-12  David Malcolm  <dmalcolm@redhat.com>
5947         PR driver/69779
5948         * gcc.c (driver::finalize): Fix cleanup of "specs".
5950 2016-02-12  David Malcolm  <dmalcolm@redhat.com>
5952         PR driver/69265
5953         PR driver/69453
5954         * gcc.c (driver::driver): Initialize m_option_suggestions.
5955         (driver::~driver): Clean up m_option_suggestions.
5956         (suggest_option): Convert to...
5957         (driver::suggest_option): ...this, and split out into
5958         driver::build_option_suggestions and find_closest_string.
5959         (driver::build_option_suggestions): New function, from
5960         first half of suggest_option.  Special-case
5961         OPT_fsanitize_ and OPT_fsanitize_recover_, making use of
5962         the sanitizer_opts array.  For options of enum types, add the
5963         various enum values to the candidate strings.
5964         (driver::handle_unrecognized_options): Remove "const".
5965         * gcc.h (driver::handle_unrecognized_options): Likewise.
5966         (driver::build_option_suggestions): New decl.
5967         (driver::suggest_option): New decl.
5968         (driver::m_option_suggestions): New field.
5969         * opts-common.c (add_misspelling_candidates): New function.
5970         * opts.c (sanitizer_opts): Remove decl of struct sanitizer_opts_s
5971         and make non-static.
5972         * opts.h (sanitizer_opts): New array decl.
5973         (add_misspelling_candidates): New function decl.
5974         * spellcheck.c (find_closest_string): New function.
5975         * spellcheck.h (find_closest_string): New function decl.
5977 2016-02-12  Jakub Jelinek  <jakub@redhat.com>
5979         PR rtl-optimization/69764
5980         PR rtl-optimization/69771
5981         * optabs.c (expand_binop_directly): For shift_optab_p, force
5982         convert_modes with VOIDmode if xop1 has VOIDmode.
5984 2016-02-12  Ilya Enkovich  <enkovich.gnu@gmail.com>
5986         PR target/69729
5987         * lto-streamer-out.c (lto_output): Use thunk.add_pointer_bounds_args
5988         to correctly determine instrumentation thunks.
5990 2016-02-12  Jakub Jelinek  <jakub@redhat.com>
5992         PR ipa/69241
5993         * ipa-split.c (split_function): If split part returns TREE_ADDRESSABLE
5994         type by reference, force lhs on the call.
5996         PR ipa/68672
5997         * ipa-split.c (split_function): Don't compute/use main_part_return_p.
5998         Compute retval and retbnd early in all cases if split_part_return_p
5999         and return_bb is not EXIT.  Remove all clobber stmts and reset
6000         all debug stmts that refer to SSA_NAMEs defined in split part,
6001         except if it is retval, in that case replace the old retval with the
6002         lhs of the call to the split part.
6004 2016-02-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
6006         revert:
6007         2016-02-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
6009         PR middle-end/66726
6010         * tree-ssa-reassoc.c (optimize_range_tests): Handle tcc_compare stmt
6011         whose result is used in PHI.
6012         (maybe_optimize_range_tests): Likewise.
6013         (final_range_test_p): Likweise.
6015 2016-02-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
6017         PR middle-end/66726
6018         * tree-ssa-reassoc.c (optimize_range_tests): Handle tcc_compare stmt
6019         whose result is used in PHI.
6020         (maybe_optimize_range_tests): Likewise.
6021         (final_range_test_p): Likweise.
6023 2016-02-12  Jakub Jelinek  <jakub@redhat.com>
6025         * cgraph.c: Spelling fixes - behaviour -> behavior and
6026         neighbour -> neighbor.
6027         * target.def: Likewise.
6028         * sel-sched.c: Likewise.
6029         * config/mips/mips.c: Likewise.
6030         * config/arc/arc.md: Likewise.
6031         * config/arm/cortex-a57.md: Likewise.
6032         * config/arm/arm.c: Likewise.
6033         * config/arm/neon.md: Likewise.
6034         * config/arm/arm-c.c: Likewise.
6035         * config/vms/vms-c.c: Likewise.
6036         * config/s390/s390.c: Likewise.
6037         * config/i386/znver1.md: Likewise.
6038         * config/i386/i386.c: Likewise.
6039         * config/ia64/hpux-unix2003.h: Likewise.
6040         * config/msp430/msp430.md: Likewise.
6041         * config/rx/rx.c: Likewise.
6042         * config/rx/rx.md: Likewise.
6043         * config/aarch64/aarch64-simd.md: Likewise.
6044         * config/aarch64/aarch64.c: Likewise.
6045         * config/nvptx/nvptx.c: Likewise.
6046         * config/bfin/bfin.c: Likewise.
6047         * config/cris/cris.opt: Likewise.
6048         * config/rs6000/rs6000.c: Likewise.
6049         * target.h: Likewise.
6050         * spellcheck.c: Likewise.
6051         * ira-build.c: Likewise.
6052         * tree-inline.c: Likewise.
6053         * builtins.c: Likewise.
6054         * lra-constraints.c: Likewise.
6055         * explow.c: Likewise.
6056         * hwint.h: Likewise.
6057         * targhooks.c: Likewise.
6058         * tree-vect-data-refs.c: Likewise.
6059         * expr.c: Likewise.
6060         * doc/tm.texi: Likewise.
6061         * doc/extend.texi: Likewise.
6062         * doc/install.texi: Likewise.
6063         * doc/md.texi: Likewise.
6064         * tree-ssa-tail-merge.c: Likewise.
6065         * sched-int.h: Likewise.
6066         * match.pd: Likewise.
6067         * sched-ebb.c: Likewise.
6068         * target.def (omit_struct_return_reg): Likewise.
6069         * gimple-ssa-isolate-paths.c: Likewise.
6070         (find_implicit_erroneous_behaviour): Renamed to...
6071         (find_implicit_erroneous_behavior): ... this.
6072         (find_explicit_erroneous_behaviour): Renamed to...
6073         (find_explicit_erroneous_behavior): ... this.
6074         (gimple_ssa_isolate_erroneous_paths): Adjust caller.
6076 2016-02-11  Segher Boessenkool  <segher@kernel.crashing.org>
6078         PR rtl-optimization/64682
6079         PR rtl-optimization/69567
6080         PR rtl-optimization/69737
6081         * combine.c (distribute_notes) <REG_DEAD>: If the register is set
6082         in I2 as well, just lose it.
6084 2016-02-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6086         * config/aarch64/aarch64.c (aarch64_last_printed_arch_string):
6087         New variable.
6088         (aarch64_last_printed_tune_string): Likewise.
6089         (aarch64_declare_function_name): Only output .arch assembler
6090         directive if it will be different from the previously output
6091         directive.  Same for .tune comment but only if -dA is set.
6092         (aarch64_start_file): New function.
6093         (TARGET_ASM_FILE_START): Define.
6095 2016-02-11  David Malcolm  <dmalcolm@redhat.com>
6097         PR plugins/69758
6098         * Makefile.in (PLUGIN_HEADERS): Add params.list.
6100 2016-02-11  Jakub Jelinek  <jakub@redhat.com>
6102         PR target/65313
6103         * tree-vect-slp.c (vect_schedule_slp_instance): Avoid
6104         -Wmaybe-uninitialized warning.
6106 2016-02-11  Oleg Endo  <olegendo@gcc.gnu.org>
6108         PR target/69713
6109         * config/sh/sh.md (casesi_worker_0): Add T_REG use.
6111 2016-02-11  Richard Biener  <rguenther@suse.de>
6113         PR rtl-optimization/69291
6114         * ifcvt.c (noce_try_store_flag_constants): Do not allow
6115         subexpressions affected by changing the result.
6117 2016-02-10  Vladimir Makarov  <vmakarov@redhat.com>
6119         PR target/69148
6120         * lra-constraints.c (curr_insn_transform): Find in/out operands
6121         for secondary memory moves.  Update dups.
6123 2016-02-10  Yuri Rumyantsev  <ysrumyan@gmail.com>
6125         PR tree-optimization/69652
6126         * tree-vect-loop.c (optimize_mask_stores): Move declaration of STMT1
6127         to nested loop, did source re-formatting, skip debug statements,
6128         add check on statement with volatile operand, remove dead scalar
6129         statements.
6131 2016-02-10  Jakub Jelinek  <jakub@redhat.com>
6132             Patrick Palka  <ppalka@gcc.gnu.org>
6134         PR ipa/69241
6135         PR c++/69649
6136         * gimplify.c (gimplify_modify_expr): Set lhs even for noreturn
6137         calls if the return type is TREE_ADDRESSABLE.
6138         * cgraphunit.c (cgraph_node::expand_thunk): Likewise.
6139         * ipa-split.c (split_function): Fix doubled "we" in comment.
6140         Use void return type for the split part even if
6141         !split_point->split_part_set_retval.
6143 2016-02-10  Bin Cheng  <bin.cheng@arm.com>
6145         PR tree-optimization/68021
6146         * tree-ssa-loop-ivopts.c (get_computation_aff): Set ratio to 1 if
6147         when computing the value of biv cand by itself.
6149 2016-02-10  Wilco Dijkstra  <wdijkstr@arm.com>
6151         * config/aarch64/aarch64.c (cortexa53_tunings): Enable AES fusion.
6152         (cortexa57_tunings): Likewise.
6153         (cortexa72_tunings): Likewise.
6154         (arch_macro_fusion_pair_p): Add support for AES fusion.
6155         * config/aarch64/aarch64-fusion-pairs.def: Add AES_AESMC entry.
6156         * config/arm/aarch-common.c (aarch_crypto_can_dual_issue):
6157         Allow virtual registers before reload so early scheduling works.
6158         * config/arm/cortex-a57.md (cortex_a57_crypto_simple): Use
6159         correct latency and pipeline.
6160         (cortex_a57_crypto_complex): Likewise.
6161         (cortex_a57_crypto_xor): Likewise.
6162         (define_bypass): Add AES bypass.
6164 2016-02-10  Richard Biener  <rguenther@suse.de>
6166         PR tree-optimization/69726
6167         * passes.def: Add DCE pass before late uninit.
6168         * match.pd: Add A ? B : (!A ? C : X) -> A ? B : C patterns to
6169         really fixup if-conversions job.
6171 2016-02-10  Wilco Dijkstra  <wdijkstr@arm.com>
6173         * config/arm/arm.c (arm_cortex_a53_tune): Enable AES fusion.
6174         (arm_cortex_a57_tune): Likewise.
6175         (aarch_macro_fusion_pair_p): Add support for AES fusion.
6176         * config/arm/arm-protos.h (fuse_ops): Add FUSE_AES_AESMC.
6178 2016-02-10  Eric Botcazou  <ebotcazou@adacore.com>
6180         * timevar.def (TV_PHASE_DBGINFO): Delete.
6181         (TV_PHASE_CHECK_DBGINFO): Likewise.
6182         * varpool.c (varpool_node::assemble_decl): Do not change timevar.
6184 2016-02-10  Richard Biener  <rguenther@suse.de>
6186         PR tree-optimization/69719
6187         * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
6188         Adjust previous fix by ensuring that dr_a1 is left of dr_a2.
6190 2016-02-09  Andrew Pinski  <apinski@cavium.com>
6192         PR tree-opt/69282
6193         * optabs-tree.c (expand_vec_cond_expr_p): Don't early return if
6194         get_vcond_mask_icode returns false.
6196 2016-02-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
6198         PR target/68404
6199         * config/rs6000/predicates.md (fusion_gpr_addis): Prevent fusing
6200         an ADDIS that adds a pointer to a large constant that sets the
6201         upper16 bits with a load operation.
6203 2016-02-09  Charles Baylis  <charles.baylis@linaro.org>
6205         PR target/68532
6206         * config/arm/arm.c (arm_evpc_neon_vzip): Allow for big endian lane
6207         order.
6208         * config/arm/arm_neon.h (vzipq_s8): Adjust shuffle patterns for big
6209         endian.
6210         (vzipq_s16): Likewise.
6211         (vzipq_s32): Likewise.
6212         (vzipq_f32): Likewise.
6213         (vzipq_u8): Likewise.
6214         (vzipq_u16): Likewise.
6215         (vzipq_u32): Likewise.
6216         (vzipq_p8): Likewise.
6217         (vzipq_p16): Likewise.
6219 2016-02-09  Charles Baylis  <charles.baylis@linaro.org>
6221         PR target/68532
6222         * config/arm/arm.c (neon_endian_lane_map): New function.
6223         (neon_vector_pair_endian_lane_map): New function.
6224         (arm_evpc_neon_vuzp): Allow for big endian lane order.
6225         * config/arm/arm_neon.h (vuzpq_s8): Adjust shuffle patterns for big
6226         endian.
6227         (vuzpq_s16): Likewise.
6228         (vuzpq_s32): Likewise.
6229         (vuzpq_f32): Likewise.
6230         (vuzpq_u8): Likewise.
6231         (vuzpq_u16): Likewise.
6232         (vuzpq_u32): Likewise.
6233         (vuzpq_p8): Likewise.
6234         (vuzpq_p16): Likewise.
6236 2016-02-11  Alexandre Oliva  <aoliva@redhat.com>
6238         PR target/69634
6239         * regstat.c (regstat_bb_compute_calls_crossed): Disregard
6240         debug insns.
6242 2016-02-09  Uros Bizjak  <ubizjak@gmail.com>
6244         * config/i386/i386.md (insv<mode>_1): Use gen_int_mode to
6245         truncate const_int operand 1 to QImode.
6247 2016-02-09  Eric Botcazou  <ebotcazou@adacore.com>
6249         * gimple-ssa-backprop.c (optimize_phi): Do not replace an argument
6250         corresponding to an abnormal edge.
6252 2016-02-09  Tom de Vries  <tom@codesourcery.com>
6254         PR tree-optimization/69599
6255         * tree-ssa-structalias.c (fndecl_maybe_in_other_partition): New
6256         function.
6257         (find_func_aliases_for_builtin_call, find_func_clobbers)
6258         (ipa_pta_execute):  Handle case that foo and foo._0 are not in same lto
6259         partition.
6261 2016-02-09  Richard Biener  <rguenther@suse.de>
6263         PR tree-optimization/69715
6264         * tree-ssa.c (execute_update_addresses_taken): Mark non-decl
6265         LHS on calls as non-rewritable.
6267 2016-02-09  Tom de Vries  <tom@codesourcery.com>
6269         PR lto/69707
6270         * lto-wrapper.c (append_diag_options): New function.
6271         (compile_offload_image): Call append_diag_options.
6273 2016-02-08  Sandra Loosemore  <sandra@codesourcery.com>
6275         PR other/69722
6276         * doc/extend.texi (Flag Output Operands): Correct sectioning.
6277         Minor copy-edit to fix verb tenses.
6279 2016-02-08  Jakub Jelinek  <jakub@redhat.com>
6281         PR tree-optimization/69209
6282         * ipa-split.c (split_function): If split part is not
6283         returning retval, retval has gimple type but is not
6284         gimple value, force it into a SSA_NAME first.
6286 2016-02-08  Nicklas Bo Jensen  <nbjensen@gmail.com>
6288         * doc/tree-ssa.texi (Preserving the virtual SSA form): Remove
6289         outdated section.
6291 2016-02-08  Jason Merrill  <jason@redhat.com>
6293         PR c++/69631
6294         * convert.c (convert_to_integer_1): Check dofold on truncation
6295         distribution.
6296         (convert_to_pointer_maybe_fold, convert_to_real_maybe_fold)
6297         (convert_to_integer_maybe_fold, convert_to_complex_maybe_fold):
6298         Rename from *_nofold.
6299         * convert.h (convert_to_pointer_nofold, convert_to_integer_nofold)
6300         (convert_to_real_nofold, convert_to_complex_nofold): New inlines.
6302 2016-02-08  Bernd Schmidt  <bschmidt@redhat.com>
6304         PR target/60410
6305         * tree.c (build_common_tree_nodes): Remove short_double argument.
6306         All callers changed.
6307         * tree.h (build_common_tree_nodes): Adjust declaration.
6308         * doc/invoke.texi (-fshort-double): Remove documentation.
6309         * config/mips/t-img-elf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
6310         MULTILIB_EXCEPTIONS): Remove -fshort-double variant.
6311         * lto-wrapper.c (merge_and_complain, append_compiler_options)
6312         (append_linker_options): Don't handle OPT_fshort_double.
6314         PR rtl-optimization/68730
6315         * lra-remat.c (insn_to_cand_activation): New static variable.
6316         (lra_remat): Allocate and free it.
6317         (create_cand): New arg activation. Initialize a field in
6318         insn_to_cand_activation if it is nonnull.
6319         (create_cands): Pass the activation insn to create_cand when making
6320         a candidate involving an output reload.  Reorganize code a little.
6321         (do_remat): Keep track of active status of candidates in a separate
6322         bitmap.
6324 2016-02-08  Richard Biener  <rguenther@suse.de>
6326         PR tree-optimization/69719
6327         * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
6328         Properly use absolute of the difference of the two offsets to
6329         compare or adjust the segment length.
6331 2016-02-08  Richard Biener  <rguenther@suse.de>
6332             Jeff Law  <law@redhat.com>
6334         PR target/68273
6335         * tree-ssanames.c (make_ssa_name_fn): Always use unqualified
6336         types for anonymous SSA names.
6338 2016-02-08   Richard Biener  <rguenther@suse.de>
6340         PR rtl-optimization/69274
6341         * ira.c (ira_setup_alts): Do not change recog_data.operand order.
6343 2016-02-08  Jeff Law  <law@redhat.com>
6345         PR tree-optimization/65917
6346         * tree-ssa-dom.c (record_temporary_equivalences): Record both
6347         equivalences from if (x == y) style conditionals.
6348         (loop_depth_of_name): Remove.
6349         (record_equality): Remove loop depth check.
6350         * tree-ssa-scopedtables.h (const_and_copies): Refine comments.
6351         (const_and_copies::record_const_or_copy_raw): New member function.
6352         * tree-ssa-scopedtables.c
6353         (const_and_copies::record_const_or_copy_raw): New, factored out of
6354         (const_and_copies::record_const_or_copy): Call new member function.
6356 2016-02-05  Jeff Law  <law@redhat.com>
6358         PR tree-optimization/68541
6359         * gimple-ssa-split-paths.c: Include tree-cfg.h and params.h.
6360         (count_stmts_in_block): New function.
6361         (poor_ifcvt_candidate_code): Likewise.
6362         (is_feasible_trace): Add some heuristics to determine when path
6363         splitting is profitable.
6364         (find_block_to_duplicate_for_splitting_paths): Make sure the graph
6365         is a diamond with a single exit.
6367 2016-02-05  Martin Sebor  <msebor@redhat.com>
6369         PR c++/69662
6370         * doc/invoke.texi: Update -Wplacement-new to take an optional
6371         argument.
6373 2016-02-06  Richard Henderson  <rth@redhat.com>
6375         PR c/69643
6376         * tree.c (tree_nop_conversion_p): Do not strip casts into or
6377         out of non-standard address spaces.
6379 2016-02-05  Jakub Jelinek  <jakub@redhat.com>
6381         PR rtl-optimization/69691
6382         * lra-eliminations.c (move_plus_up): Don't add the addend twice.
6384 2016-02-05  Pat Haugen  <pthaugen@us.ibm.com>
6386         * config/rs6000/crypto.md (crypto_vpermxor_<mode>): Correct insn type.
6387         * config/rs6000/rs6000.md (mov<mode>_hardfloat): Likewise.
6388         (*ieee128_mfvsrd_64bit): Likewise.
6389         (*ieee128_mfvsrd_32bit): Likewise.
6391 2016-02-05  Ilya Enkovich  <enkovich.gnu@gmail.com>
6393         PR target/69369
6394         Revert r232560:
6395         2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
6397         * cgraphunit.c (cgraph_node::reset): Clear thunk info and
6398         instrumented_version.
6400 2016-01-05  Jeremy Bennett  <jeremy.bennett@embecosm.com>
6402         * doc/invoke.texi (Optimize Options): In table of --param options
6403         rename second occurrence of tracer-min-branch-ratio to
6404         tracer-min-branch-probability, rename
6405         tracer-min-branch-ratio-feedback to
6406         tracer-min-branch-probability-feedback and clarify description,
6407         rename sched-spec-state-edge-prob-cutoff to
6408         sched-state-edge-prob-cutoff, rename selsched-max-insns-to-rename
6409         to selsched-insns-to-rename, rename lto-minpartition to
6410         lto-min-partition, delete reorder-blocks-duplicate and
6411         reorder-blocks-duplicate-feedback.
6413 2016-02-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
6415         * config/s390/s390.c (s390_register_info_set_ranges): Remove
6416         superfluous loops.
6418 2016-02-05  Dominik Vogt  <vogt@linux.vnet.ibm.com>
6420         * doc/extend.texi: S/390: Correct some typos.
6422 2016-02-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
6424         * config/s390/s390.c (s390_emit_call): Add missing 64 bit check.
6426 2016-02-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
6428         PR target/69625
6429         * config/s390/s390.c (SAVE_SLOT_NONE, SAVE_SLOT_STACK): New defines.
6430         (s390_register_info_gprtofpr): Use new macros above.
6431         (s390_register_info_stdarg_fpr): Adjust max_fpr to better match
6432         its name.
6433         (s390_register_info_stdarg_gpr): Adjust max_gpr to better match
6434         its name.  Adjust restore and save gpr ranges.
6435         (s390_register_info_set_ranges): New function.
6436         (s390_register_info): Use new macros above.  Call
6437         s390_register_info_set_ranges.
6438         (s390_optimize_register_info): Likewise.
6439         (s390_hard_regno_rename_ok): Use new macros.
6440         (s390_hard_regno_scratch_ok): Likewise.
6441         (s390_emit_epilogue): Likewise.
6442         (s390_can_use_return_insn): Likewise.
6443         (s390_optimize_prologue): Likewise.
6444         * config/s390/s390.md (GPR2_REGNUM, GPR6_REGNUM): New constants.
6446 2016-02-05  Jakub Jelinek  <jakub@redhat.com>
6448         PR bootstrap/69677
6449         * config/i386/i386.c (convert_scalars_to_vector): Readd stack
6450         alignment fixes.
6451         (ix86_option_override_internal): Disable TARGET_STV even for
6452         -m{incoming,preferred}-stack-boundary=3.
6454 2016-02-03  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
6456         * config.gcc: Mark deprecated rtems targets as obsolete.
6458 2016-02-04  Segher Boessenkool  <segher@kernel.crashing.org>
6460         PR rtl-optimization/64682
6461         PR rtl-optimization/69567
6462         * combine.c (distribute_notes) <REG_DEAD>: Place the death note
6463         before I2 only if the register is both used and set in I2.
6465 2016-02-04  DJ Delorie  <dj@redhat.com>
6467         * config/msp430/msp430.c (msp430_start_function): Add function type.
6469 2016-02-04  Jakub Jelinek  <jakub@redhat.com>
6471         PR fortran/69368
6472         * tree-dfa.c (get_ref_base_and_extent): Remove unreachable code.
6474 2016-02-04  Uros Bizjak  <ubizjak@gmail.com>
6476         PR rtl-optimization/69577
6477         Revert:
6478         2015-10-29  Richard Henderson  <rth@redhat.com>
6480         PR target/68124
6481         PR rtl-opt/67609
6482         * config/i386/i386.c (ix86_cannot_change_mode_class): Tighten
6483         sse check to the exact conditions of PR 67609.
6485 2016-02-04  Michael Meissner  <meissner@linux.vnet.ibm.com>
6487         PR target/69667
6488         * config/rs6000/rs6000.md (mov<mode>_64bit_dm): Use 'd' constraint
6489         instead of 'ws', and 'wh' instead of 'wm' since TFmode/IFmode are
6490         not allowed into the traditional Altivec registers.
6491         (movtd_64bit_nodm): Likewise.
6492         (mov<mode>_32bit, FMOVE128_FPR iterator): Likewise.
6494 2016-02-04  David Malcolm  <dmalcolm@redhat.com>
6496         * config/aarch64/cortex-a57-fma-steering.c
6497         (aarch64_register_fma_steering): Remove "static" from arguments
6498         to register_pass.
6500 2016-02-04  Wilco Dijkstra  <wdijkstr@arm.com>
6502         PR target/69619
6503         * ccmp.c (expand_ccmp_expr_1): Avoid evaluating gs0/gs1
6504         twice when complex.
6506 2016-02-04  Mike Frysinger  <vapier@gentoo.org>
6508         * doc/invoke.texi: Delete -mno-fma4.
6510 2016-02-04  Richard Sandiford  <richard.sandiford@arm.com>
6512         PR rtl-optimization/69577
6513         * reginfo.c (record_subregs_of_mode): Add a partial_def parameter.
6514         (find_subregs_of_mode): Update accordingly.  Iterate over partial
6515         definitions.
6517 2016-02-04  Alan Lawrence  <alan.lawrence@arm.com>
6519         * config/arm/arm-protos.h (neon_reinterpret): Remove.
6520         * config/arm/arm.c (neon_reinterpret): Remove.
6521         * config/arm/arm_neon_builtins.def (vreinterpretv8qi, vreinterpretv4hi,
6522         vreinterpretv2si, vreinterpretv2sf, vreinterpretdi, vreinterpretv16qi,
6523         vreinterpretv8hi, vreinterpretv4si, vreinterpretv4sf, vreinterpretv2di,
6524         vreinterpretti): Remove.
6525         * config/arm/neon.md (neon_vreinterpretv8qi<mode>,
6526         neon_vreinterpretv4hi<mode>, neon_vreinterpretv2si<mode>,
6527         neon_vreinterpretv2sf<mode>, neon_vreinterpretdi<mode>,
6528         neon_vreinterpretti<mode>, neon_vreinterpretv16qi<mode>,
6529         neon_vreinterpretv8hi<mode>, neon_vreinterpretv4si<mode>,
6530         neon_vreinterpretv4sf<mode>, neon_vreinterpretv2di<mode>): Remove.
6531         * config/arm/arm_neon.h (vreinterpret_p8_p16, vreinterpret_p8_f32,
6532         vreinterpret_p8_p64, vreinterpret_p8_s64, vreinterpret_p8_u64,
6533         vreinterpret_p8_s8, vreinterpret_p8_s16, vreinterpret_p8_s32,
6534         vreinterpret_p8_u8, vreinterpret_p8_u16, vreinterpret_p8_u32,
6535         vreinterpret_p16_p8, vreinterpret_p16_f32, vreinterpret_p16_p64,
6536         vreinterpret_p16_s64, vreinterpret_p16_u64, vreinterpret_p16_s8,
6537         vreinterpret_p16_s16, vreinterpret_p16_s32, vreinterpret_p16_u8,
6538         vreinterpret_p16_u16, vreinterpret_p16_u32, vreinterpret_f32_p8,
6539         vreinterpret_f32_p16, vreinterpret_f32_p64, vreinterpret_f32_s64,
6540         vreinterpret_f32_u64, vreinterpret_f32_s8, vreinterpret_f32_s16,
6541         vreinterpret_f32_s32, vreinterpret_f32_u8, vreinterpret_f32_u16,
6542         vreinterpret_f32_u32, vreinterpret_p64_p8, vreinterpret_p64_p16,
6543         vreinterpret_p64_f32, vreinterpret_p64_s64, vreinterpret_p64_u64,
6544         vreinterpret_p64_s8, vreinterpret_p64_s16, vreinterpret_p64_s32,
6545         vreinterpret_p64_u8, vreinterpret_p64_u16, vreinterpret_p64_u32,
6546         vreinterpret_s64_p8, vreinterpret_s64_p16, vreinterpret_s64_f32,
6547         vreinterpret_s64_p64, vreinterpret_s64_u64, vreinterpret_s64_s8,
6548         vreinterpret_s64_s16, vreinterpret_s64_s32, vreinterpret_s64_u8,
6549         vreinterpret_s64_u16, vreinterpret_s64_u32, vreinterpret_u64_p8,
6550         vreinterpret_u64_p16, vreinterpret_u64_f32, vreinterpret_u64_p64,
6551         vreinterpret_u64_s64, vreinterpret_u64_s8, vreinterpret_u64_s16,
6552         vreinterpret_u64_s32, vreinterpret_u64_u8, vreinterpret_u64_u16,
6553         vreinterpret_u64_u32, vreinterpret_s8_p8, vreinterpret_s8_p16,
6554         vreinterpret_s8_f32, vreinterpret_s8_p64, vreinterpret_s8_s64,
6555         vreinterpret_s8_u64, vreinterpret_s8_s16, vreinterpret_s8_s32,
6556         vreinterpret_s8_u8, vreinterpret_s8_u16, vreinterpret_s8_u32,
6557         vreinterpret_s16_p8, vreinterpret_s16_p16, vreinterpret_s16_f32,
6558         vreinterpret_s16_p64, vreinterpret_s16_s64, vreinterpret_s16_u64,
6559         vreinterpret_s16_s8, vreinterpret_s16_s32, vreinterpret_s16_u8,
6560         vreinterpret_s16_u16, vreinterpret_s16_u32, vreinterpret_s32_p8,
6561         vreinterpret_s32_p16, vreinterpret_s32_f32, vreinterpret_s32_p64,
6562         vreinterpret_s32_s64, vreinterpret_s32_u64, vreinterpret_s32_s8,
6563         vreinterpret_s32_s16, vreinterpret_s32_u8, vreinterpret_s32_u16,
6564         vreinterpret_s32_u32, vreinterpret_u8_p8, vreinterpret_u8_p16,
6565         vreinterpret_u8_f32, vreinterpret_u8_p64, vreinterpret_u8_s64,
6566         vreinterpret_u8_u64, vreinterpret_u8_s8, vreinterpret_u8_s16,
6567         vreinterpret_u8_s32, vreinterpret_u8_u16, vreinterpret_u8_u32,
6568         vreinterpret_u16_p8, vreinterpret_u16_p16, vreinterpret_u16_f32,
6569         vreinterpret_u16_p64, vreinterpret_u16_s64, vreinterpret_u16_u64,
6570         vreinterpret_u16_s8, vreinterpret_u16_s16, vreinterpret_u16_s32,
6571         vreinterpret_u16_u8, vreinterpret_u16_u32, vreinterpret_u32_p8,
6572         vreinterpret_u32_p16, vreinterpret_u32_f32, vreinterpret_u32_p64,
6573         vreinterpret_u32_s64, vreinterpret_u32_u64, vreinterpret_u32_s8,
6574         vreinterpret_u32_s16, vreinterpret_u32_s32, vreinterpret_u32_u8,
6575         vreinterpret_u32_u16, vreinterpretq_p8_p16, vreinterpretq_p8_f32,
6576         vreinterpretq_p8_p64, vreinterpretq_p8_p128, vreinterpretq_p8_s64,
6577         vreinterpretq_p8_u64, vreinterpretq_p8_s8, vreinterpretq_p8_s16,
6578         vreinterpretq_p8_s32, vreinterpretq_p8_u8, vreinterpretq_p8_u16,
6579         vreinterpretq_p8_u32, vreinterpretq_p16_p8, vreinterpretq_p16_f32,
6580         vreinterpretq_p16_p64, vreinterpretq_p16_p128, vreinterpretq_p16_s64,
6581         vreinterpretq_p16_u64, vreinterpretq_p16_s8, vreinterpretq_p16_s16,
6582         vreinterpretq_p16_s32, vreinterpretq_p16_u8, vreinterpretq_p16_u16,
6583         vreinterpretq_p16_u32, vreinterpretq_f32_p8, vreinterpretq_f32_p16,
6584         vreinterpretq_f32_p64, vreinterpretq_f32_p128, vreinterpretq_f32_s64,
6585         vreinterpretq_f32_u64, vreinterpretq_f32_s8, vreinterpretq_f32_s16,
6586         vreinterpretq_f32_s32, vreinterpretq_f32_u8, vreinterpretq_f32_u16,
6587         vreinterpretq_f32_u32, vreinterpretq_p64_p8, vreinterpretq_p64_p16,
6588         vreinterpretq_p64_f32, vreinterpretq_p64_p128, vreinterpretq_p64_s64,
6589         vreinterpretq_p64_u64, vreinterpretq_p64_s8, vreinterpretq_p64_s16,
6590         vreinterpretq_p64_s32, vreinterpretq_p64_u8, vreinterpretq_p64_u16,
6591         vreinterpretq_p64_u32, vreinterpretq_p128_p8, vreinterpretq_p128_p16,
6592         vreinterpretq_p128_f32, vreinterpretq_p128_p64, vreinterpretq_p128_s64,
6593         vreinterpretq_p128_u64, vreinterpretq_p128_s8, vreinterpretq_p128_s16,
6594         vreinterpretq_p128_s32, vreinterpretq_p128_u8, vreinterpretq_p128_u16,
6595         vreinterpretq_p128_u32, vreinterpretq_s64_p8, vreinterpretq_s64_p16,
6596         vreinterpretq_s64_f32, vreinterpretq_s64_p64, vreinterpretq_s64_p128,
6597         vreinterpretq_s64_u64, vreinterpretq_s64_s8, vreinterpretq_s64_s16,
6598         vreinterpretq_s64_s32, vreinterpretq_s64_u8, vreinterpretq_s64_u16,
6599         vreinterpretq_s64_u32, vreinterpretq_u64_p8, vreinterpretq_u64_p16,
6600         vreinterpretq_u64_f32, vreinterpretq_u64_p64, vreinterpretq_u64_p128,
6601         vreinterpretq_u64_s64, vreinterpretq_u64_s8, vreinterpretq_u64_s16,
6602         vreinterpretq_u64_s32, vreinterpretq_u64_u8, vreinterpretq_u64_u16,
6603         vreinterpretq_u64_u32, vreinterpretq_s8_p8, vreinterpretq_s8_p16,
6604         vreinterpretq_s8_f32, vreinterpretq_s8_p64, vreinterpretq_s8_p128,
6605         vreinterpretq_s8_s64, vreinterpretq_s8_u64, vreinterpretq_s8_s16,
6606         vreinterpretq_s8_s32, vreinterpretq_s8_u8, vreinterpretq_s8_u16,
6607         vreinterpretq_s8_u32, vreinterpretq_s16_p8, vreinterpretq_s16_p16,
6608         vreinterpretq_s16_f32, vreinterpretq_s16_p64, vreinterpretq_s16_p128,
6609         vreinterpretq_s16_s64, vreinterpretq_s16_u64, vreinterpretq_s16_s8,
6610         vreinterpretq_s16_s32, vreinterpretq_s16_u8, vreinterpretq_s16_u16,
6611         vreinterpretq_s16_u32, vreinterpretq_s32_p8, vreinterpretq_s32_p16,
6612         vreinterpretq_s32_f16, vreinterpretq_s32_f32, vreinterpretq_s32_p64,
6613         vreinterpretq_s32_p128, vreinterpretq_s32_s64, vreinterpretq_s32_u64,
6614         vreinterpretq_s32_s8, vreinterpretq_s32_s16, vreinterpretq_s32_u8,
6615         vreinterpretq_s32_u16, vreinterpretq_s32_u32, vreinterpretq_u8_p8,
6616         vreinterpretq_u8_p16, vreinterpretq_u8_f32, vreinterpretq_u8_p64,
6617         vreinterpretq_u8_p128, vreinterpretq_u8_s64, vreinterpretq_u8_u64,
6618         vreinterpretq_u8_s8, vreinterpretq_u8_s16, vreinterpretq_u8_s32,
6619         vreinterpretq_u8_u16, vreinterpretq_u8_u32, vreinterpretq_u16_p8,
6620         vreinterpretq_u16_p16, vreinterpretq_u16_f32, vreinterpretq_u16_p64,
6621         vreinterpretq_u16_p128, vreinterpretq_u16_s64, vreinterpretq_u16_u64,
6622         vreinterpretq_u16_s8, vreinterpretq_u16_s16, vreinterpretq_u16_s32,
6623         vreinterpretq_u16_u8, vreinterpretq_u16_u32, vreinterpretq_u32_p8,
6624         vreinterpretq_u32_p16, vreinterpretq_u32_f32, vreinterpretq_u32_p64,
6625         vreinterpretq_u32_p128, vreinterpretq_u32_s64, vreinterpretq_u32_u64,
6626         vreinterpretq_u32_s8, vreinterpretq_u32_s16, vreinterpretq_u32_s32,
6627         vreinterpretq_u32_u8, vreinterpretq_u32_u16): Rewrite using casts.
6629 2016-02-04  Martin Liska  <mliska@suse.cz>
6631         PR sanitizer/69276
6632         * asan.c (has_stmt_been_instrumented_p): Instrument gimple calls
6633         that are gimple_store_p.
6634         (maybe_instrument_call): Likewise.
6636 2016-02-04  Bin Cheng  <bin.cheng@arm.com>
6638         * config/aarch64/aarch64.c (aarch64_legitimize_address): Force
6639         register scaling out of memory reference and comment why.
6641 2016-02-04  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6643         PR target/65932
6644         PR target/67714
6645         * cse.c (cse_insn): Pass NULL to fold_rtx when initially
6646         folding the source of a SET.
6648 2016-02-04  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6650         PR target/65932
6651         PR target/67714
6652         * config/arm/arm.c (arm_new_rtx_costs, MULT case): Properly extract
6653         the operands of the SIGN_EXTENDs from a SMUL[TB][TB] rtx.
6655 2016-02-04  Jim Wilson  <jim.wilson@linaro.org>
6657         PR target/65932
6658         PR target/67714
6659         * config/arm/arm.h (PROMOTE_MODE): Don't set UNSIGNEDP for QImode and
6660         HImode.
6662 2016-02-04  Christian Bruel  <christian.bruel@st.com>
6664         * config/arm/arm-c.c (arm_reset_previous_fndecl): Style fix and typo.
6665         * config/arm/arm.c (arm_set_current_function): Likewise.
6667 2016-02-04  Jakub Jelinek  <jakub@redhat.com>
6668             Ilya Enkovich  <enkovich.gnu@gmail.com>
6669             H.J. Lu  <hongjiu.lu@intel.com>
6671         PR target/69454
6672         * config/i386/i386.c (convert_scalars_to_vector): Remove
6673         stack alignment fixes.
6674         (ix86_option_override_internal): Disable TARGET_STV if stack
6675         might not be aligned enough.
6676         (ix86_minimum_alignment): Assert that TARGET_STV is false.
6678 2016-02-04  Victoria Stepanyan  <victoria.stepanyan@amd.com>
6680         * gcc/config/i386/x86-tune.def: Disable default prefetching
6681         for -march=znver1.
6683 2016-02-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
6684             Vladimir Makarov  <vmakarov@redhat.com>
6686         PR target/69461
6687         * config/rs6000/rs6000.c (rs6000_legitimate_address_p): Fix thinko
6688         in validating fused toc addresses.
6690 2016-02-03  Jakub Jelinek  <jakub@redhat.com>
6692         PR c/69627
6693         * diagnostic-show-locus.c (layout::get_state_at_point): Don't read
6694         range->m_caret fields if range->m_show_caret_p is false.
6696         PR target/69644
6697         * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap):
6698         Force oldval into register if it does not satisfy reg_or_short_operand
6699         predicate.  Fix up formatting.
6701 2016-02-03  Vladimir Makarov  <vmakarov@redhat.com>
6702             Alexandre Oliva  <aoliva@redhat.com>
6704         PR target/69461
6705         * lra-constraints.c (simplify_operand_subreg): Check additionally
6706         address validity after potential reloading.
6707         (process_address_1): Check insns validity.  In case of failure do
6708         nothing.
6710 2016-02-03  Kirill Yukhin  <kirill.yukhin@intel.com>
6712         PR target/69118
6713         * config/i386/sse.md (define_insn "avx512f_maskcmp<mode>3"):
6714         Fix target.
6716 2016-02-02  Jakub Jelinek  <jakub@redhat.com>
6718         * wide-int.cc (canonize_uhwi): New function.
6719         (wi::divmod_internal): Use it.
6721 2016-02-02  James Norris  <jnorris@codesourcery.com
6723         * gimplify.c (omp_notice_variable): Add usage check.
6725 2016-02-02  Alexander Monakov  <amonakov@ispras.ru>
6727         * config/nvptx/nvptx.c (nvptx_print_operand): Treat LEU, GEU, LTU, GTU
6728         like LE, GE, LT, GT when emitting relational operator.
6730 2016-02-02  Wilco Dijkstra  <wdijkstr@arm.com>
6732         * ira-costs.c (find_costs_and_classes): Add extra argument.
6733         * target.def (ira_change_pseudo_allocno_class): Add parameter.
6734         * targhooks.h (ira_change_pseudo_allocno_class): Likewise.
6735         * targhooks.c (ira_change_pseudo_allocno_class): Likewise.
6736         * config/aarch64/aarch64.c (aarch64_ira_change_pseudo_allocno_class)
6737         Add best_class parameter, and return it if not ALL_REGS.
6738         * config/mips/mips.c (mips_ira_change_pseudo_allocno_class):
6739         Add parameter.
6740         * doc/tm.texi (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS):
6741         Update target hook.
6743 2016-02-02  Wilco Dijkstra  <wdijkstr@arm.com>
6745         * config/aarch64/aarch64.c
6746         (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS): New define.
6747         (aarch64_ira_change_pseudo_allocno_class): New function.
6749 2016-02-02  Uros Bizjak  <ubizjak@gmail.com>
6751         PR target/67032
6752         * config/i386/i386.c (geode_cost): Increase cost of MMX and SSE moves.
6754 2016-02-02  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
6756         * config/avr/avr.c (avr_option_override): Set
6757         PARAM_ALLOW_STORE_DATA_RACES to 1.
6759 2016-02-02  Richard Biener  <rguenther@suse.de>
6761         PR tree-optimization/69595
6762         * match.pd: Add range test simplifications to true/false.
6764 2016-02-02  Thomas Schwinge  <thomas@codesourcery.com>
6766         * omp-builtins.def (BUILT_IN_GOACC_HOST_DATA): Remove.
6767         * omp-low.c (expand_omp_target): Use BUILT_IN_GOACC_DATA_START
6768         instead.
6770 2016-02-02  Richard Biener  <rguenther@suse.de>
6772         PR tree-optimization/69606
6773         * tree-ssa-math-opts.c (bswap_replace): Clear flow sensitive
6774         info on the result before moving a stmt.
6776 2016-02-02  Yuri Rumyantsev  <ysrumyan@gmail.com>
6778         PR middle-end/68542
6779         * config/i386/i386.c (ix86_expand_branch): Add support for conditional
6780         branch with vector comparison.
6781         * config/i386/sse.md (VI48_AVX): New mode iterator.
6782         (define_expand "cbranch<mode>4): Add support for conditional branch
6783         with vector comparison.
6784         * tree-vect-loop.c (optimize_mask_stores): New function.
6785         * tree-vect-stmts.c (vectorizable_mask_load_store): Initialize
6786         has_mask_store field of vect_info.
6787         * tree-vectorizer.c (vectorize_loops): Invoke optimaze_mask_stores for
6788         vectorized loops having masked stores after vec_info destroy.
6789         * tree-vectorizer.h (loop_vec_info): Add new has_mask_store field and
6790         correspondent macros.
6791         (optimize_mask_stores): Add prototype.
6793 2016-02-02  Alan Modra  <amodra@gmail.com>
6795         PR target/69548
6796         * config/rs6000/predicates.md (quad_int_reg_operand): Don't
6797         allow subregs.
6799 2016-02-02  Alan Modra  <amodra@gmail.com>
6801         PR target/68662
6802         * config/rs6000/rs6000.c (need_toc_init): New var, set it
6803         whenever toc_label_name used.
6804         (rs6000_file_start): Don't set up toc section here,
6805         (rs6000_output_function_epilogue): do so here instead,
6806         (rs6000_xcoff_file_start): and here.
6807         * config/rs6000/rs6000.md (load_toc_aix_si): Set need_toc_init.
6808         (load_toc_aix_di): Likewise.
6810 2016-02-01  Jakub Jelinek  <jakub@redhat.com>
6812         PR rtl-optimization/69592
6813         * rtlanal.c (nonzero_bits_binary_arith_p): New inline function.
6814         (cached_nonzero_bits): Use it instead of ARITHMETIC_P.
6815         (num_sign_bit_copies_binary_arith_p): New inline function.
6816         (cached_num_sign_bit_copies): Use it instead of ARITHMETIC_P.
6818 2016-02-01  Jeff Law  <law@redhat.com>
6820         PR tree-optimization/69580
6821         * params.def (FSM_MAXIMUM_PHI_ARGUMENTS): New param.
6822         * tree-ssa-threadbackward.c
6823         (fsm_find_control_statement_thread_paths): Do not try to walk
6824         through large PHI nodes.
6826 2016-02-01  Jakub Jelinek  <jakub@redhat.com>
6828         * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Return false
6829         when count is incremented above limit, don't analyze further
6830         insns afterwards.
6832         * omp-low.c (oacc_parse_default_dims): Avoid
6833         -Wsign-compare warning, make sure value fits into int
6834         rather than just unsigned int.
6836 2016-02-01  Bin Cheng  <bin.cheng@arm.com>
6838         PR tree-optimization/67921
6839         * fold-const.c (split_tree): New parameters.  Convert pointer
6840         type variable part to proper type before negating.
6841         (fold_binary_loc): Pass new arguments to split_tree.
6843 2016-02-01  Nathan Sidwell  <nathan@codesourcery.com>
6845         * config/nvptx/nvptx.c (PTX_GANG_DEFAULT): New.
6846         (nvptx_goacc_validate_dims): Extend to handle global defaults.
6847         * target.def (OACC_VALIDATE_DIMS): Extend documentation.
6848         * doc/tm.texti: Rebuilt.
6849         * doc/invoke.texi (fopenacc-dim): Document.
6850         * lto-wrapper.c (merge_and_complain): Add OPT_fopenacc_dim_ case.
6851         (append_compiler_options): Likewise.
6852         * omp-low.c (oacc_default_dims, oacc_min_dims): New.
6853         (oacc_parse_default_dims): New.
6854         (oacc_validate_dims): Add USED arg.  Select non-unity default when
6855         possible.
6856         (oacc_loop_fixed_partitions): Return mask of used partitions.
6857         (oacc_loop_auto_partitions): Emit dump info.
6858         (oacc_loop_partition): Return mask of used partitions.
6859         (execute_oacc_device_lower): Parse default dimension arg.  Adjust
6860         loop partitioning and validation calls.
6862 2016-02-01  Richard Biener  <rguenther@suse.de>
6864         PR middle-end/69556
6865         * match.pd: Guard (C1/X)*C2 -> (C1*C2)/X with single_use.
6867 2016-02-01  Richard Biener  <rguenther@suse.de>
6869         PR tree-optimization/69574
6870         * tree-chrec.c (hide_evolution_in_other_loops_than_loop): Instead
6871         of asserting return chrec_dont_know.
6873 2016-02-01  Martin Liska  <mliska@suse.cz>
6875         * mem-stats-traits.h: Add copyright header.
6876         * mem-stats.h: Likewise.
6878 2016-02-01  Richard Biener  <rguenther@suse.de>
6880         PR tree-optimization/69579
6881         * tree-ssa-loop-ivcanon.c (propagate_constants_for_unrolling):
6882         Do not propagate through abnormal PHI results.
6884 2016-02-01  Eric Botcazou  <ebotcazou@adacore.com>
6886         * postreload.c (reload_cse_simplify): Remove dead code.
6888 2016-02-01  Jakub Jelinek  <jakub@redhat.com>
6890         PR rtl-optimization/69570
6891         * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Return true only
6892         if there is more than one set, not if there is a single set.
6894 2016-02-01  Richard Henderson  <rth@redhat.com>
6896         PR rtl-opt/69535
6897         * combine.c (make_compound_operation): When looking through a
6898         subreg, make sure to re-extend to the width of the outer mode.
6900 2016-01-30  Jakub Jelinek  <jakub@redhat.com>
6902         PR tree-optimization/69546
6903         * wide-int.cc (wi::divmod_internal): For unsigned division
6904         where both operands fit into uhwi, if o1 is 1 and o0 has
6905         msb set, if divident_prec is larger than bits per hwi,
6906         clear another quotient word and return 2 instead of 1.
6907         Similarly for remainder with msb in HWI set, if dividend_prec
6908         is larger than bits per hwi.
6910 2016-01-29  Martin Jambor  <mjambor@suse.cz>
6912         * hsa-gen.c (get_memory_order_name): Mask with MEMMODEL_BASE_MASK.
6913         Use short lowercase names.
6914         (get_memory_order): Mask with MEMMODEL_BASE_MASK.  Support
6915         MEMMODEL_CONSUME with acquire semantics and MEMMODEL_SEQ_CST with
6916         acq_rel one.  Protect warning agains segfaults if
6917         get_memory_order_name returns NULL.
6918         (gen_hsa_ternary_atomic_for_builtin): Support with MEMMODEL_SEQ_CST
6919         with release semantics.  Do not warn if get_memory_order already did.
6920         (gen_hsa_insns_for_call): Support with MEMMODEL_SEQ_CST with acquire
6921         semantics.  Fix check for relaxed or acquire semantics.  Do not warn
6922         if get_memory_order already did.
6924 2016-01-29  Sebastian Pop  <s.pop@samsung.com>
6926         * doc/install.texi: Document that isl-0.16 is supported.
6928 2016-01-29  Vladimir Makarov  <vmakarov@redhat.com>
6930         PR target/69299
6931         * config/i386/constraints.md (Bm): Describe as special memory
6932         constraint.
6933         * doc/md.texi (DEFINE_SPECIAL_MEMORY_CONSTRAINT): Describe it.
6934         * genoutput.c (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
6935         * genpreds.c (struct constraint_data): Add is_special_memory.
6936         (have_special_memory_constraints, special_memory_start): New
6937         static vars.
6938         (special_memory_end): Ditto.
6939         (add_constraint): Add new arg is_special_memory.  Add code to
6940         process its true value.  Update have_special_memory_constraints.
6941         (process_define_constraint): Pass the new arg.
6942         (process_define_register_constraint): Ditto.
6943         (choose_enum_order): Process special memory.
6944         (write_tm_preds_h): Generate enum const CT_SPECIAL_MEMORY and
6945         function insn_extra_special_memory_constraint.
6946         (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
6947         * gensupport.c (process_rtx): Process
6948         DEFINE_SPECIAL_MEMORY_CONSTRAINT.
6949         * ira-costs.c (record_reg_classes): Process CT_SPECIAL_MEMORY.
6950         * ira-lives.c (single_reg_class): Use
6951         insn_extra_special_memory_constraint.
6952         * ira.c (ira_setup_alts): Process CT_SPECIAL_MEMORY.
6953         * lra-constraints.c (process_alt_operands): Ditto.
6954         (curr_insn_transform): Use insn_extra_special_memory_constraint.
6955         * recog.c (asm_operand_ok, preprocess_constraints): Process
6956         CT_SPECIAL_MEMORY.
6957         * reload.c (find_reloads): Ditto.
6958         * rtl.def (DEFINE_SPECIFAL_MEMORY_CONSTRAINT): New.
6959         * stmt.c (parse_input_constraint): Use
6960         insn_extra_special_memory_constraint.
6962 2016-01-29  H.J. Lu  <hongjiu.lu@intel.com>
6964         PR target/69530
6965         * lra-splill.c (lra_final_code_change): Revert r229087 by
6966         removing all sub-registers.
6968 2016-01-29  Steve Ellcey  <sellcey@imgtec.com>
6970         PR target/65604
6971         * config/mips/mips.c (mips_output_division): Check flag_delayed_branch.
6973 2016-01-29  Jakub Jelinek  <jakub@redhat.com>
6975         PR target/69551
6976         * config/i386/i386.c (ix86_expand_vector_set) <case V4SImode>: For
6977         SSE1, copy target into the temporary reg first before recursing
6978         on it.
6980 2016-01-29  H.J. Lu  <hongjiu.lu@intel.com>
6982         * config/i386/sse.md (sse2_cvtps2pd<mask_name>): Replace vBm
6983         with vm.
6985 2016-01-29  Jonathan Wakely  <jwakely@redhat.com>
6987         * ginclude/stdarg.h: Test __cplusplus instead of
6988         __GXX_EXPERIMENTAL_CXX0X__.
6990 2016-01-29  Richard Biener  <rguenther@suse.de>
6992         PR tree-optimization/69547
6993         * tree-ssa-dce.c (mark_aliased_reaching_defs_necessary_1):
6994         Do not mark clobbers necessary.
6995         (mark_all_reaching_defs_necessary_1): Likewise.
6997 2016-01-29  Dominik Vogt  <vogt@linux.vnet.ibm.com>
6999         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Format
7000         declaration name with %qs and print it in both error messages.
7001         Also fix indentation.
7003 2016-01-29  Dominik Vogt  <vogt@linux.vnet.ibm.com>
7005         PR other/69006
7006         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Remove
7007         trailing blank line from error message.
7009 2016-01-29  Jonathan Wakely  <jwakely@redhat.com>
7011         PR c++/69462
7012         * ginclude/float.h: Also provide FLT_EVAL_METHOD and DECIMAL_DIG
7013         for C++-11.
7015 2016-01-29  Richard Biener  <rguenther@suse.de>
7017         PR middle-end/69537
7018         * match.pd: Allow all integral types when simplifying a
7019         widening or sign-changing conversion.
7021 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
7023         * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Revert assert
7024         back to setting codegen_error to fail codegen.
7026 2016-01-28  Uros Bizjak  <ubizjak@gmail.com>
7028         PR target/69459
7029         * config/i386/constraints.md (C): Only accept constant zero operand.
7030         (BC): New constraint.
7031         * config/i386/sse.md (*mov<mode>_internal): Use BC constraint
7032         instead of C constraint.
7033         * doc/md.texi (Machine Constraints): Update description
7034         of C constraint.
7036 2016-01-28  Steve Ellcey  <sellcey@imgtec.com>
7038         PR target/68400
7039         * config/mips/mips.c (and_operands_ok): Add MIPS16 check.
7041 2016-01-28  Jakub Jelinek  <jakub@redhat.com>
7043         PR middle-end/69542
7044         * lra-remat.c (calculate_local_reg_remat_bb_data): Only consider
7045         non-debug insns.
7047 2016-01-28  Pat Haugen  <pthaugen@us.ibm.com>
7049         * config/rs6000/rs6000.c (output_cbranch): Don't statically predict
7050         branches if using guessed profile.
7052 2016-01-28  H.J. Lu  <hongjiu.lu@intel.com>
7054         * graphite-optimize-isl.c (optimize_isl): Fix dump.
7056 2016-01-28  Richard Henderson  <rth@redhat.com>
7058         PR target/69305
7059         * config/aarch64/aarch64-modes.def (CC_Cmode): New
7060         * config/aarch64/aarch64-protos.h: Update.
7061         * config/aarch64/aarch64.c (aarch64_zero_extend_const_eq): New.
7062         (aarch64_select_cc_mode): Add check for use of CC_Cmode.
7063         (aarch64_get_condition_code_1): Handle CC_Cmode.
7064         * config/aarch64/aarch64.md (addti3): Use adddi3_compareC.
7065         (*add<mode>3_compareC_cconly_imm): New.
7066         (*add<mode>3_compareC_cconly): New.
7067         (*add<mode>3_compareC_imm): New.
7068         (add<mode>3_compareC): New.
7069         (add<mode>3_carryin, *addsi3_carryin_uxtw): Sort compare operand
7070         to be first.  Use aarch64_carry_operation.
7071         (*add<mode>3_carryin_alt1, *addsi3_carryin_alt1_uxtw): Remove.
7072         (*add<mode>3_carryin_alt2, *addsi3_carryin_alt2_uxtw): Remove.
7073         (*add<mode>3_carryin_alt3, *addsi3_carryin_alt3_uxtw): Remove.
7074         (subti3): Use subdi3_compare1.
7075         (*sub<mode>3_compare0): Rename from sub<mode>3_compare0.
7076         (sub<mode>3_compare1): New.
7077         (*sub<mode>3_carryin0, *subsi3_carryin_uxtw): New.
7078         (*sub<mode>3_carryin): Use aarch64_borrow_operation.
7079         (*subsi3_carryin_uxtw): Likewise.
7080         (*ngc<mode>, *ngcsi_uxtw): Likewise.
7081         (*sub<mode>3_carryin_alt, *subsi3_carryin_alt_uxtw): New.
7082         * config/aarch64/iterators.md (DWI): New.
7083         * config/aarch64/predicates.md (aarch64_carry_operation): New.
7084         (aarch64_borrow_operation): New.
7086 2016-01-28  Abderrazek Zaafrani  <a.zaafrani@samsung.com>
7088         * graphite-optimize-isl.c (optimize_isl): Print a different debug
7089         message when isl does not return a valid schedule.
7091 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
7093         * graphite-isl-ast-to-gimple.c (class translate_isl_ast_to_gimple):
7094         Remove comments from class declarations: they are already in the code
7095         close by the defs.
7097 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
7099         * graphite-isl-ast-to-gimple.c (binary_op_to_tree): Call
7100         codegen_error_p.
7101         (ternary_op_to_tree): Same.
7102         (unary_op_to_tree): Same.
7103         (nary_op_to_tree): Same.
7104         (gcc_expression_from_isl_expr_op): Same.
7105         (gcc_expression_from_isl_expression): Same.
7106         (graphite_create_new_loop): Same.
7107         (graphite_create_new_loop_guard): Same.
7108         (build_iv_mapping): Same.
7109         (graphite_create_new_guard): Same.
7110         (translate_isl_ast_to_gimple::copy_loop_phi_nodes): Same.
7111         (translate_isl_ast_to_gimple::translate_pending_phi_nodes): Same.
7113 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
7115         * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Assert
7116         instead of setting codegen_error to fail codegen.
7118 2016-01-28  Jason Merrill  <jason@redhat.com>
7120         * tree.h (BINFO_FLAG_0): Rename from BINFO_MARKED.
7122 2016-01-28  Wilco Dijkstra  <wdijkstr@arm.com>
7124         * config/aarch64/aarch64.c (aarch64_if_then_else_costs):
7125         Remove CONST_INT_P check in CCMP cost calculation.
7127 2016-01-28  Wilco Dijkstra  <wdijkstr@arm.com>
7129         * config/aarch64/aarch64.c (generic_vector_cost):
7130         Set vec_permute_cost.
7131         (cortexa57_vector_cost): Likewise.
7132         (exynosm1_vector_cost): Likewise.
7133         (xgene1_vector_cost): Likewise.
7134         (aarch64_builtin_vectorization_cost): Use vec_permute_cost.
7135         * config/aarch64/aarch64-protos.h (cpu_vector_cost):
7136         Add vec_permute_cost entry.
7138 2016-01-28  Wilco Dijkstra  <wdijkstr@arm.com>
7140         * config/aarch64/aarch64.md (ccmp<mode>): Disassemble
7141         immediate as %1.
7142         (add<mode>3_compare0): Likewise.
7143         (addsi3_compare0_uxtw): Likewise.
7144         (add<mode>3nr_compare0): Likewise.
7145         (compare_neg<mode>): Likewise.
7146         (<optab><mode>3): Likewise.
7148 2016-01-28  Ilya Enkovich  <enkovich.gnu@gmail.com>
7150         * tree-vect-stmts.c (vectorizable_comparison): Add
7151         NULL check for vectype.
7153 2016-01-28  Richard Biener  <rguenther@suse.de>
7155         PR tree-optimization/69466
7156         * tree-vect-loop-manip.c (slpeel_duplicate_current_defs_from_edges):
7157         Account for PHIs we couldn't duplicate.
7159 2016-01-28  Martin Liska  <mliska@suse.cz>
7161         PR pch/68758
7162         * ggc-common.c (gt_pch_save): Use ENABLE_VALGRIND_ANNOTATIONS macro
7163         instead of ENABLE_VALGRIND_CHECKING.
7165 2016-01-27  Richard Henderson  <rth@redhat.com>
7167         PR rtl-opt/69447
7168         * lra-remat.c (subreg_regs): New.
7169         (dump_candidates_and_remat_bb_data): Dump it.
7170         (operand_to_remat): Reject if operand in subreg_regs.
7171         (set_bb_regs): Collect subreg_regs.
7172         (lra_remat): Init and free subreg_regs.  Compute
7173         calculate_local_reg_remat_bb_data before create_cands.
7175 2016-01-27  H.J. Lu  <hongjiu.lu@intel.com>
7177         PR target/68986
7178         * config/i386/i386.c (ix86_update_stack_boundary): Don't
7179         change stack_alignment_needed for __tls_get_addr call.
7181 2016-01-27  Segher Boessenkool  <segher@kernel.crashing.org>
7183         * config/rs6000/rs6000.c (print_operand): Rollback 's' removal.
7185 2016-01-27  Jeff Law  <law@redhat.com>
7187         PR tree-optimization/68398
7188         PR tree-optimization/69196
7189         * params.def (PARAM_FSM_SCALE_PATH_STMTS): New parameter.
7190         (PARAM_FSM_SCALE_PATH_BLOCKS): Likewise.
7191         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
7192         Only count PHIs in the last block in the path.  The others will
7193         const/copy propagate away.  Add heuristic to allow more irreducible
7194         subloops to be created when it is likely profitable to do so.
7196         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
7197         Fix typo in comment.  Use gsi_after_labels and remove the GIMPLE_LABEL
7198         check from within the loop.  Use gsi_next_nondebug rather than gsi_next.
7200 2016-01-27  Jakub Jelinek  <jakub@redhat.com>
7202         PR lto/69254
7203         * sanitizer.def: Add BEGIN_SANITIZER_BUILTINS and
7204         END_SANITIZER_BUILTINS markers using DEF_BUILTIN_STUB.
7205         * asan.c (DEF_BUILTIN_STUB): Temporarily define.
7206         * tree-streamer-in.c: Include asan.h.
7207         (streamer_get_builtin_tree): For builtins in sanitizer
7208         range call initialize_sanitizer_builtins and retry.
7210 2016-01-27  Ian Lance Taylor  <iant@google.com>
7212         * common.opt (fkeep-gc-roots-live): New undocumented option.
7213         * tree-ssa-loop-ivopts.c (add_candidate_1): If
7214         -fkeep-gc-roots-live, skip pointers.
7215         (add_iv_candidate_for_biv): Handle add_candidate_1 returning
7216         NULL.
7218 2016-01-27  Uros Bizjak  <ubizjak@gmail.com>
7220         PR target/69512
7221         * config/i386/i386.md (*zext<mode>_doubleword_and): New pattern.
7222         (*zext<mode>_doubleword): Disable for TARGET_ZERO_EXTEND_WITH_AND.
7224 2016-01-27  Thomas Klausner  <wiz@NetBSD.org>
7226         PR target/68380
7227         * configure.ac: NetBSD provides SSP in its C library.
7228         * configure: Updated.
7230 2016-01-27  Richard Biener  <rguenther@suse.de>
7232         PR tree-optimization/69166
7233         * tree-vect-loop.c (vect_is_simple_reduction): Always check
7234         reduction code for commutativity / associativity.
7236 2016-01-27  Martin Jambor  <mjambor@suse.cz>
7238         PR tree-optimization/69355
7239         * tree-sra.c (analyze_access_subtree): Correct hole detection when
7240         total_scalarization fails.
7242 2016-01-27  David Edelsohn  <dje.gcc@gmail.com>
7244         * config/rs6000/driver-rs6000.c (detect_processor_aix): Add
7245         power9.
7247 2016-01-27  Christian Bruel  <christian.bruel@st.com>
7249         PR target/69245
7250         * config/arm/arm-c.c (arm_pragma_target_parse): Add comments.
7251         Move arm_reset_previous_fndecl and set_target_option_current_node in
7252         the conditional part.  Call save_restore_target_globals.
7253         * config/arm/arm.c (arm_set_current_function):
7254         Refactor to better support #pragma target and attribute mix.
7255         Call save_restore_target_globals.
7256         * config/arm/arm-protos.h (save_restore_target_globals): New function.
7258 2016-01-27  Martin Liska  <mliska@suse.cz>
7260         * hsa.c (hsa_summary_t::link_functions): Create IPA_REF_ADDR
7261         reference for an HSA kernel and its host function.
7263 2016-01-27  Jakub Jelinek  <jakub@redhat.com>
7265         PR tree-optimization/69399
7266         * wide-int.h (wi::lrshift): For larger precisions, only
7267         use fast path if shift is known to be < HOST_BITS_PER_WIDE_INT.
7269 2016-01-27  Claudiu Zissulescu  <claziss@synopsys.com>
7271         * config/arc/predicates.md (proper_comparison_operator): Reject
7272         constant-constant comparison.
7274 2016-01-26  Tom de Vries  <tom@codesourcery.com>
7276         PR tree-optimization/69110
7277         * tree-data-ref.c (initialize_data_dependence_relation): Handle
7278         DR_NUM_DIMENSIONS == 0.
7280 2016-01-26  Abderrazek Zaafrani  <a.zaafrani@samsung.com>
7281             Sebastian Pop  <s.pop@samsung.com>
7283         * graphite-isl-ast-to-gimple.c (ternary_op_to_tree): Handle
7284         isl_ast_op_cond and isl_ast_op_select.
7285         (gcc_expression_from_isl_expr_op): Same.
7287 2016-01-26  Jason Merrill  <jason@redhat.com>
7289         PR c++/68782
7290         * tree.c (recompute_constructor_flags): Split out from
7291         build_constructor.
7292         (verify_constructor_flags): New.
7293         * tree.h: Declare them.
7295 2016-01-26  Iain Buclaw  <ibuclaw@gdcproject.org>
7297         PR rtl-optimization/69217
7298         * var-tracking.c (tracked_record_parameter_p): Don't segfault if there
7299         are no TYPE_FIELDS set for the record type.
7301 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
7303         PR target/68662
7304         * config/rs6000/rs6000.c (rs6000_option_override_internal): Initialize
7305         toc_label_name unconditionally.
7306         (rs6000_emit_load_toc_table): Call ggc_strdup on toc_label_name for
7307         SYMBOL_REF string.  Use toc_label_name instead of constructing
7308         LCTOC1.
7309         (rs6000_elf_declare_function_name): Use toc_label_name instead of
7310         constructing LCTOC1.
7312 2016-01-26  Martin Sebor  <msebor@redhat.com>
7314         PR other/69477
7315         * doc/extend.texi (Common Type Attributes): Move text that talks about
7316         attribute packed from attribute aligned to the section discussing
7317         the former attribute for clarity.
7319 2016-01-26  Richard Henderson  <rth@redhat.com>
7321         PR middle-end/60908
7322         * trans-mem.c (tm_region_init): Mark entry block as visited.
7324 2016-01-26  David Malcolm  <dmalcolm@redhat.com>
7326         PR other/69006
7327         * diagnostic-show-locus.c (layout::print_source_line): Replace
7328         call to pp_newline with call to layout::print_newline.
7329         (layout::print_annotation_line): Likewise.
7330         (layout::move_to_column): Likewise.
7331         (layout::print_any_fixits): After printing any fixits, print a
7332         trailing newline, if necessary.
7333         (layout::print_newline): New method, resetting any colorization
7334         before a newline.
7335         (diagnostic_show_locus): Move the pp_newline to before the
7336         early bailout.  Remove dummy block enclosing the layout instance.
7337         * diagnostic.c (default_diagnostic_finalizer): Replace invocation
7338         of pp_newline_and_flush with pp_flush.
7339         (diagnostic_append_note): Delete use of pp_newline.
7340         (diagnostic_append_note_at_rich_loc): Delete.
7341         * diagnostic.h (diagnostic_append_note_at_rich_loc): Delete.
7342         * pretty-print.h (output_buffer_append_r): Reset buff->line_length
7343         when newline characters are added to the buffer.
7345 2016-01-26  Michael Matz  <matz@suse.de>
7347         * configure.ac (ac_cv_std_swap_in_utility): New test.
7348         * system.h (<algorithm>): Check HAVE_SWAP_IN_UTILITY as well.
7349         * configure: Regenerate.
7350         * config.in: Regenerate.
7352 2016-01-26  Claudiu Zissulescu  <claziss@synopsys.com>
7354         * config/arc/arc.md (cstoresi4): Force operand into register.
7355         (arcset<code>): Fix predicate.
7356         (arcsetltu): Likewise.
7357         (arcsetgeu): Likewise.
7358         (arcsethi): Likewise.
7359         (arcsetls): Likewise.
7361 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
7363         PR tree-optimization/69483
7364         * gimple-fold.c (canonicalize_constructor_val): Return NULL
7365         if base has error_mark_node type.
7367 2016-01-26  Christophe Lyon  <christophe.lyon@linaro.org>
7369         PR target/68620
7370         * config/arm/arm.c (neon_valid_immediate): Handle FP16 vectors.
7371         * config/arm/arm_neon.h (__ARM_NUM_LANES, __arm_lane, arm_lanq):
7372         New helper macros.
7373         (vget_lane_f16): Handle big-endian.
7374         (vgetq_lane_f16): Likewise.
7375         (vset_lane_f16): Likewise.
7376         (vsetq_lane_f16): Likewise.
7377         * config/arm/iterators.md (VQXMOV): Add V8HF.
7378         (VDQ): Add V4HF and V8HF.
7379         (V_reg): Handle V4HF and V8HF.
7380         (Is_float_mode): Likewise.
7381         * config/arm/neon.md (movv4hf, movv8hf, neon_vdup_nv4hf,
7382         neon_vdup_nv8hf): New patterns.
7383         (vec_set<mode>_internal, vec_extract<mode>, neon_vld1_dup<mode>):
7384         Use VD_LANE iterator.
7385         (neon_vld1_dup<mode>): Use VQ2 iterator.
7387 2016-01-26  Nathan Sidwell  <nathan@acm.org>
7389         * omp-low.h (oacc_fn_attrib_kernels_p): Declare.
7390         (set_oacc_fn_attrib): Add IS_KERNEL arg.
7391         * omp-low.c (set_oacc_fn_attrib): Add IS_KERNEL arg.
7392         (oacc_fn_attrib_kernels_p, oacc_fn_attrib_level): New.
7393         (expand_omp_target): Pass is_kernel to set_oacc_fn_attrib.
7394         (oacc_validate_dims): Add LEVEL arg, don't return level.
7395         (new_oacc_loop_routine): Use oacc_fn_attrib_level, not
7396         oacc_validate_dims.
7397         (execute_oacc_device_lower): Adjust, add more dump output.
7398         * tree-ssa-loop.c (gate_oacc_kernels): Use
7399         oacc_fn_attrib_kernels_p.
7400         * tree-parloops.c (create_parallel_loop): Adjust
7401         set_oacc_fn_attrib call.
7403 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
7405         PR lto/69254
7406         * lto-wrapper.c (merge_and_complain): Handle -fcilkplus.
7407         (append_compiler_options): Handle -fcilkplus.
7408         (append_linker_options): Ignore -fno-{openmp,openacc,cilkplus}.
7410 2016-01-26  Nick Clifton  <nickc@redhat.com>
7412         PR target/66655
7413         * config/i386/winnt.c (i386_pe_binds_local_p): If a function has
7414         been marked as DECL_ONE_ONLY but we do not the means to make it
7415         so, then do not allow it to bind locally.
7417 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
7419         PR lto/69254
7420         * opts.h (parse_sanitizer_options): New prototype.
7421         * opts.c (sanitizer_opts): New array.
7422         (parse_sanitizer_options): New function.
7423         (common_handle_option): Use parse_sanitizer_options.
7425 2016-01-26  H.J. Lu  <hongjiu.lu@intel.com>
7427         PR target/68986
7428         * config/i386/i386.c (ix86_compute_frame_layout): Move stack
7429         alignment adjustment to ...
7430         (ix86_update_stack_boundary): Here.  Don't over-align stack for
7431         __tls_get_addr.
7432         (ix86_finalize_stack_realign_flags): Use stack_alignment_needed
7433         if __tls_get_addr is called.
7435 2016-01-26  Christian Bruel  <christian.bruel@st.com>
7437         * doc/sourcebuild.texi (arm_crypto_pragma_ok): Remove.
7439 2016-01-26  Eric Botcazou  <ebotcazou@adacore.com>
7441         * config/ia64/ia64.c (ia64_expand_vecint_compare): Use gen_int_mode.
7443 2016-01-26  Richard Biener  <rguenther@suse.de>
7445         PR middle-end/69467
7446         * match.pd: Guard X * CST CMP 0 pattern with single_use.
7448 2016-01-26  Richard Biener  <rguenther@suse.de>
7450         PR tree-optimization/69452
7451         * tree-ssa-loop-im.c (move_computations_dom_walker): Remove.
7452         (move_computations_dom_walker::before_dom_children): Rename
7453         to ...
7454         (move_computations_worker): This.
7455         (move_computations): Perform an RPO rather than a DOM walk.
7457 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
7459         PR target/69442
7460         * combine.c (combine_instructions): For REG_EQUAL note with
7461         SET_DEST being ZERO_EXTRACT, also temporarily set SET_DEST
7462         to the underlying register.
7463         * doc/rtl.texi (REG_EQUAL): Document the behavior of
7464         REG_EQUAL/REG_EQUIV notes if SET_DEST is ZERO_EXTRACT.
7466 2016-01-26  Roger Ferrer Ibáñez  <rofirrim@gmail.com>
7468         PR target/67896
7469         * config/aarch64/aarch64-builtins.c
7470         (aarch64_init_simd_builtin_types): Do not set structural
7471         equality to __Poly{8,16,64,128}_t types.
7473 2016-01-26  Richard Sandiford  <richard.sandiford@arm.com>
7475         PR tree-optimization/69400
7476         * wide-int.cc (wi_pack): Take the precision as argument and
7477         perform canonicalization here rather than in the callers.
7478         Use the main loop to handle all full-width HWIs.  Add a
7479         zero HWI if in_len isn't a full result.
7480         (wi::divmod_internal): Update accordingly.
7481         (wi::mul_internal): Likewise.  Simplify.
7483 2016-01-25  Aditya Kumar  <aditya.k7@samsung.com>
7484             Sebastian Pop  <s.pop@samsung.com>
7486         * graphite-poly.c (apply_poly_transforms): Simplify.
7487         (print_isl_set): Use more readable format: ISL_YAML_STYLE_BLOCK.
7488         (print_isl_map): Same.
7489         (print_isl_union_map): Same.
7490         (print_isl_schedule): New.
7491         (debug_isl_schedule): New.
7492         * graphite-dependences.c (scop_get_reads): Do not call
7493         isl_union_map_add_map that is undocumented isl functionality.
7494         (scop_get_must_writes): Same.
7495         (scop_get_may_writes): Same.
7496         (scop_get_original_schedule): Remove.
7497         (scop_get_dependences): Do not call isl_union_map_compute_flow that
7498         is deprecated in isl 0.15.  Instead, use isl_union_access_* interface.
7499         (compute_deps): Remove.
7500         * graphite-isl-ast-to-gimple.c (print_schedule_ast): New.
7501         (debug_schedule_ast): New.
7502         (translate_isl_ast_to_gimple::scop_to_isl_ast): Call
7503         set_separate_option.
7504         (graphite_regenerate_ast_isl): Add dump.
7505         (translate_isl_ast_to_gimple::scop_to_isl_ast): Generate code
7506         from scop->transformed_schedule.
7507         (graphite_regenerate_ast_isl): Add more dump.
7508         * graphite-optimize-isl.c (optimize_isl): Set
7509         scop->transformed_schedule.  Check whether schedules are equal.
7510         (apply_poly_transforms): Move here.
7511         * graphite-poly.c (apply_poly_transforms): ... from here.
7512         (free_poly_bb): Static.
7513         (free_scop): Static.
7514         (pbb_number_of_iterations_at_time): Remove.
7515         (print_isl_ast): New.
7516         (debug_isl_ast): New.
7517         (debug_scop_pbb): New.
7518         * graphite-scop-detection.c (print_edge): Move.
7519         (print_sese): Move.
7520         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Remove.
7521         (build_scop_scattering): Remove.
7522         (create_pw_aff_from_tree): Assert instead of bailing out.
7523         (add_condition_to_pbb): Remove unused code, do not fail.
7524         (add_conditions_to_domain): Same.
7525         (add_conditions_to_constraints): Remove.
7526         (build_scop_context): New.
7527         (add_iter_domain_dimension): New.
7528         (build_iteration_domains): Initialize pbb->iterators.
7529         Call add_conditions_to_domain.
7530         (nested_in): New.
7531         (loop_at): New.
7532         (index_outermost_in_loop): New.
7533         (index_pbb_in_loop): New.
7534         (outermost_pbb_in): New.
7535         (add_in_sequence): New.
7536         (add_outer_projection): New.
7537         (outer_projection_mupa): New.
7538         (add_loop_schedule): New.
7539         (build_schedule_pbb): New.
7540         (build_schedule_loop): New.
7541         (embed_in_surrounding_loops): New.
7542         (build_schedule_loop_nest): New.
7543         (build_original_schedule): New.
7544         (build_poly_scop): Call build_original_schedule.
7545         * graphite.h: Declare print_isl_schedule and debug_isl_schedule.
7546         (free_poly_dr): Remove.
7547         (struct poly_bb): Add iterators.  Remove schedule, transformed, saved.
7548         (free_poly_bb): Remove.
7549         (debug_loop_vec): Remove.
7550         (print_isl_ast): Declare.
7551         (debug_isl_ast): Declare.
7552         (scop_do_interchange): Remove.
7553         (scop_do_strip_mine): Remove.
7554         (scop_do_block): Remove.
7555         (flatten_all_loops): Remove.
7556         (optimize_isl): Remove.
7557         (pbb_number_of_iterations_at_time): Remove.
7558         (debug_scop_pbb): Declare.
7559         (print_schedule_ast): Declare.
7560         (debug_schedule_ast): Declare.
7561         (struct scop): Remove schedule.  Add original_schedule,
7562         transformed_schedule.
7563         (free_gimple_poly_bb): Remove.
7564         (print_generated_program): Remove.
7565         (debug_generated_program): Remove.
7566         (unify_scattering_dimensions): Remove.
7567         * sese.c (print_edge): ... here.
7568         (print_sese): ... here.
7569         (debug_edge): ... here.
7570         (debug_sese): ... here.
7571         * sese.h (print_edge): Declare.
7572         (print_sese): Declare.
7573         (dump_edge): Declare.
7574         (dump_sese): Declare.
7576 2016-01-25  Aditya Kumar  <aditya.k7@samsung.com>
7577             Sebastian Pop  <s.pop@samsung.com>
7579         * Makefile.in: Set ISLVER in site.exp.
7581 2016-01-25  Jakub Jelinek  <jakub@redhat.com>
7583         * omp-low.c (lower_omp_target) <case USE_DEVICE_PTR>: Set
7584         DECL_VALUE_EXPR of new_var even for the non-array case.  Look
7585         through DECL_VALUE_EXPR for expansion.
7587 2016-01-25  Bernd Edlinger  <bernd.edlinger@hotmail.de>
7589         * config/mips/mips.c (mips_compute_frame_info): Skip re-computing
7590         the frame info after reload completed.
7592 2016-01-25  Jeff Law  <law@redhat.com>
7594         PR tree-optimization/69196
7595         PR tree-optimization/68398
7596         * tree-ssa-threadupdate.h (enum bb_dom_status): Moved here from
7597         tree-ssa-threadupdate.c.
7598         (determine_bb_domination_status): Prototype
7599         * tree-ssa-threadupdate.c (enum bb_dom_status): Remove
7600         (determine_bb_domination_status): No longer static.
7601         (valid_jump_thread_path): Remove code to detect characteristics
7602         of the jump thread path not associated with correctness.
7603         * tree-ssa-threadbackward.c (fsm_find_control_statment_thread_paths):
7604         Correct test for thread path length.  Count PHIs for real operands as
7605         statements that need to be copied.  Do not count ASSERT_EXPRs.
7606         Look at all the blocks in the thread path.  Compute and selectively
7607         filter thread paths based on threading through the latch, threading
7608         a multiway branch or crossing a multiway branch.
7610 2016-01-25  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
7612         * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled):  Add
7613         decl with __attribute__ ((unused)) annotation.
7615 2016-01-25  Ilya Enkovich  <enkovich.gnu@gmail.com>
7617         PR target/69421
7618         * tree-vect-stmts.c (vectorizable_condition): Check vectype
7619         of operands is compatible with a statement vectype.
7621 2016-01-25  Eric Botcazou  <ebotcazou@adacore.com>
7623         * doc/extend.texi (scalar_storage_order type attribute): Fix typo and
7624         improve wording for mixed storage order support.
7626 2016-01-25  Bilyan Borisov  <bilyan.borisov@arm.com>
7628         * config/aarch64/arm_neon.h (vcvt_s64_f64): New intrinsic.
7629         (vcvt_u64_f64): Likewise.
7630         (vcvta_s64_f64): Likewise.
7631         (vcvta_u64_f64): Likewise.
7632         (vcvtm_s64_f64): Likewise.
7633         (vcvtm_u64_f64): Likewise.
7634         (vcvtn_s64_f64): Likewise.
7635         (vcvtn_u64_f64): Likewise.
7636         (vcvtp_s64_f64): Likewise.
7637         (vcvtp_u64_f64): Likewise.
7639 2016-01-25  Claudiu Zissulescu  <claziss@synopsys.com>
7641         * config/arc/arc.c (TARGET_DWARF_REGISTER_SPAN): Define.
7642         (arc_init): Check validity mll64 option.
7643         (arc_save_restore): Use double load/store instruction.
7644         (arc_expand_movmem): Likewise.
7645         (arc_split_move): Don't split if we have double load/store
7646         instructions. Returns a boolean.
7647         (arc_process_double_reg_moves): Change function to return boolean
7648         instead of a sequence of instructions.
7649         (arc_dwarf_register_span): New function.
7650         * config/arc/arc-protos.h (arc_split_move): Change prototype.
7651         * config/arc/arc.h (TARGET_CPU_CPP_BUILTINS): Define __ARC_LL64__.
7652         * config/arc/arc.md (*movdi_insn): Emit ldd/std instructions.
7653         (*movdf_insn): Likewise.
7654         * config/arc/arc.opt (mll64): New option.
7655         * config/arc/predicates.md (even_register_operand): New predicate.
7656         * doc/invoke.texi (ARC Options): Add mll64 documentation.
7658 2016-01-25  Richard Biener  <rguenther@suse.de>
7660         PR lto/69393
7661         * dwarf2out.c (is_naming_typedef_decl): Not when DECL_NAMELESS.
7662         * tree-streamer-out.c (pack_ts_base_value_fields): Stream
7663         DECL_NAMELESS.
7664         * tree-streamer-in.c (unpack_ts_base_value_fields): Likewise.
7666 2016-01-25  Richard Biener  <rguenther@suse.de>
7668         PR tree-optimization/69376
7669         * tree-ssa-sccvn.h (struct vn_ssa_aux): Add range_info_anti_range_p
7670         flag.
7671         (VN_INFO_ANTI_RANGE_P): New inline.
7672         (VN_INFO_RANGE_TYPE): Likewise.
7673         * tree-ssa-sccvn.c (set_ssa_val_to): Also record and copy
7674         SSA_NAME_ANTI_RANGE_P.
7675         (free_scc_vn): Restore SSA_NAME_ANTI_RANGE_P.
7676         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
7677         Properly query VN_INFO_RANGE_TYPE.
7679 2016-01-25  Nick Clifton  <nickc@redhat.com>
7681         PR target/66655
7682         * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Remove definition.
7684 2016-01-23  Tom de Vries  <tom@codesourcery.com>
7686         PR tree-optimization/69426
7687         * tree-parloops.c (eliminate_local_variables_stmt): Handle vdef of
7688         removed clobber.
7690 2016-01-23  Jakub Jelinek  <jakub@redhat.com>
7692         * tree-ssanames.c (release_free_names_and_compact_live_names): Replace
7693         "the the" with "the" in the comments.
7694         * ipa-devirt.c (build_type_inheritance_graph,
7695         update_type_inheritance_graph): Likewise.
7696         * tree.c (build_function_type_list_1): Likewise.
7697         * cfgloopmanip.c (scale_loop_profile): Likewise.
7698         * tree-ssa-loop-ivopts.c (get_shiftadd_cost): Likewise.
7699         * gimple-ssa-split-paths.c
7700         (find_block_to_duplicate_for_splitting_paths): Likewise.
7701         * tree-sra.c (init_subtree_with_zero, clobber_subtree): Likewise.
7702         * expr.c (convert_move): Likewise.
7703         * var-tracking.c (vt_stack_adjustments): Likewise.
7704         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Likewise.
7705         * tree-vrp.c (test_for_singularity): Likewise.
7707         * tree-vect-stmts.c (vectorizable_condition): Build a VEC_COND_EXPR
7708         directly instead of building a temporary tree.
7710         PR bootstrap/69434
7711         * genrecog.c: Define INCLUDE_ALGORITHM before including system.h,
7712         remove <algorithm> include.
7714 2016-01-22  Jakub Jelinek  <jakub@redhat.com>
7716         PR target/69432
7717         * config/i386/i386.c: Include dojump.h.
7718         (expand_small_movmem_or_setmem,
7719         expand_set_or_movmem_prologue_epilogue_by_misaligned_moves): Spelling
7720         fixes.
7721         (ix86_expand_set_or_movmem): Call do_pending_stack_adjust () early
7722         if dynamic_check != -1.
7724 2016-01-21  Jeff Law  <law@redhat.com>
7726         PR middle-end/69347
7727         * tree-ssa-dom.c (back_propagate_equivalences): Factored out of
7728         record_temporary_equivalences.  Rewritten to avoid unnecessary calls
7729         into dominated_by_p.
7730         (cprop_into_successor_phis): Avoid unnecessary tests.
7732 2016-01-22  Richard Henderson  <rth@redhat.com>
7734         PR target/69416
7735         * config/aarch64/aarch64.md (UNSPEC_NZCV): New.
7736         (ccmp<mode>, fccmp<mode>, fccmpe<mode>): Use it.
7738 2016-01-22  Michael Matz  <matz@suse.de>
7740         * system.h (string, algorithm): Include only conditionally.
7741         (new): Include always under C++.
7742         * bb-reorder.c (toplevel): Define INCLUDE_ALGORITHM.
7743         * final.c (toplevel): Ditto.
7744         * ipa-chkp.c (toplevel): Define INCLUDE_STRING.
7745         * genconditions.c (write_header): Make gencondmd.c define
7746         INCLUDE_STRING.
7747         * mem-stats.h (mem_usage::print_dash_line): Don't use std::string.
7749         * config/aarch64/aarch64.c (toplevel): Define INCLUDE_STRING.
7750         * common/config/aarch64/aarch64-common.c (toplevel): Ditto.
7752 2016-01-22  Christian Bruel  <christian.bruel@st.com>
7754         PR target/68674
7755         * expr.c (expand_expr_real_1): Reset DECL_MODE if VECTOR_TYPE_P changed.
7757 2016-01-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7759         PR target/69403
7760         * config/arm/thumb2.md (*thumb2_ior_scc_strict_it): Convert to
7761         define_insn_and_split.  Ensure operands[1] and operands[0] do not
7762         get assigned the same register.
7764 2016-01-22  Kugan Vivekanandarajah  <kuganv@linaro.org>
7766         * ipa-prop.c (ipa_set_jf_constant): Remove redundant unshare_expr.
7768 2016-01-22  Christian Bruel  <christian.bruel@st.com>
7770         * config/arm/arm-c.c (arm_pragma_target_parse):
7771         Remove warn_builtin_macro_redefined overwrite.
7773 2016-01-22  Eric Botcazou  <ebotcazou@adacore.com>
7775         * ipa-inline.c (can_inline_edge_p): Back out overzealous check on
7776         flag_non_call_exceptions compatibility.
7778 2016-01-22  Jakub Jelinek  <jakub@redhat.com>
7780         PR debug/66668
7781         * dwarf2out.c (add_child_die_after): New function.
7782         (dwarf_qual_info_t): New type.
7783         (dwarf_qual_info): New variable.
7784         (qualified_die_p): New function.
7785         (modified_type_die): For -fdebug-types-section, ensure
7786         canonical order of qualifiers.  Put qualified DIEs adjacent
7787         to the corresponding non-qualified type DIE and search there
7788         for existing qualified DIEs.
7790 2016-01-22  Eric Botcazou  <ebotcazou@adacore.com>
7792         * doc/extend.texi (scalar_storage_order type attribute): Document
7793         restriction on type punning and aliasing, and remove future tense.
7795 2016-01-21  Roman Zhuykov  <zhroma@ispras.ru>
7797         PR target/69252
7798         * modulo-sched.c (optimize_sc): Allow branch-scheduling to add a new
7799         first stage.
7801 2016-01-21  Jeff Law  <law@redhat.com>
7803         PR middle-end/69347
7804         * tree-ssa-dom.c (dom_opt_dom_walker::thread_across_edge): Avoid
7805         useless call to record_temporary_equivalences.
7806         * tree-ssa-threadbackward.c (find_jump_threads_backwards): Just
7807         allocate 10 slots in the bb_path vector and let it grow as needed.
7808         (fsm_find_control_statement_thread_paths): Similarly for the next_path
7809         vector.
7811 2016-01-21  David Edelsohn  <dje.gcc@gmail.com>
7813         * configure.ac (gcc_cv_as_powerpc_mfcrf, gcc_cv_as_machine_directive):
7814         Detangle.
7815         * configure: Regenerate.
7817 2016-01-21  Pat Haugen  <pthaugen@us.ibm.com>
7819         * config/rs6000/aix71.h (ASM_CPU_SPEC): Add entry for Power9.
7820         * config/rs6000/driver-rs6000.c (struct asm_names): Likewise.
7822 2016-01-21  Bernd Schmidt  <bschmidt@redhat.com>
7824         PR middle-end/66178
7825         * expr.c (expand_expr_real_2) [PLUS_EXPR, MINUS_EXPR]: Don't
7826         drop EXPAND_INITIALIZER.
7827         * rtl.h (contains_symbolic_reference_p): Declare.
7828         * rtlanal.c (contains_symbolic_reference_p): New function.
7829         * simplify-rtx.c (simplify_binary_operation_1): Don't turn
7830         a subtraction into a NOT if symbolic constants are involved.
7832 2016-01-21  Anton Blanchard  <anton@samba.org>
7833             Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
7835         PR target/63354
7836         * config/rs6000/linux64.h (TARGET_KEEP_LEAF_WHEN_PROFILED): New
7837         #define.
7838         * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled): New
7839         function.
7841 2016-01-21  Ajit Agarwal  <ajitkum@xilinx.com>
7843         * config/microblaze/microblaze.c
7844         (get_branch_target): New.
7845         (insert_wic_for_ilb_runout): New.
7846         (insert_wic): New.
7847         (microblaze_machine_dependent_reorg): New.
7848         (TARGET_MACHINE_DEPENDENT_REORG): Define macro.
7849         * config/microblaze/microblaze.md
7850         (UNSPEC_IPREFETCH): Define.
7851         (iprefetch): New pattern
7852         * config/microblaze/microblaze.opt
7853         (mxl-prefetch): New flag.
7855 2016-01-21  Ajit Agarwal  <ajitkum@xilinx.com>
7857         * config/microblaze/microblaze.h
7858         (FIXED_REGISTERS): Update in macro.
7859         (CALL_USED_REGISTERS): Update in macro.
7861 2016-01-21  Yuri Rumyantsev  <ysrumyan@gmail.com>
7863         PR rtl-optimization/68920
7864         * ifcvt.c (cond_move_process_if_block): Limit number of conditional
7865         moves.
7867 2016-01-21  Vladimir Makarov  <vmakarov@redhat.com>
7869         PR rtl-optimization/68990
7870         * lra-coalesce.c (lra_coalesce): Invalidate value for the result
7871         pseudo instead of inheritance ones.
7873 2016-01-21  Bernd Edlinger  <bernd.edlinger@hotmail.de>
7874             Nick Clifton  <nickc@redhat.com>
7876         PR target/69129
7877         PR target/69012
7878         * config/mips/mips.c (mips_compute_frame_info): Initialise
7879         args_size and hard_frame_pointer_offset fields of the frame
7880         structure before calling mips_global_pointer.
7882 2016-01-21  David Edelsohn  <dje.gcc@gmail.com>
7884         * configure.ac (gcc_cv_as_dwloc): Test support for debug frame section
7885         label reference.
7886         * configure: Regenerate.
7888 2016-01-21  Richard Biener  <rguenther@suse.de>
7890         * graphite-optimize-isl.c (get_schedule_map): Fix typo.
7892 2016-01-21  Marcin Kościelnicki  <koriakin@0x04.net>
7894         * config/s390/s390.c (s390_asm_declare_function_size): Add code
7895         to actually emit the .size directive.
7897 2016-01-21   Stefan Sørensen  <stefan.sorensen@spectralink.com>
7898              Jakub Jelinek  <jakub@redhat.com>
7900         PR target/69187
7901         PR target/65624
7902         * config/arm/arm-builtins.c (arm_expand_neon_builtin): Increase
7903         args array size by one to avoid buffer overflow.
7905 2016-01-21  Marcin Kościelnicki  <koriakin@0x04.net>
7907         * config/s390/s390.md (pool_section_start): Use switch_to_section
7908         to select proper read-only data section instead of hardcoding
7909         .rodata.
7910         (pool_section_end): Use switch_to_section to match the above.
7912 2016-01-21  Richard Biener  <rguenther@suse.de>
7914         PR tree-optimization/69378
7915         * tree-ssa-sccvn.c (dominated_by_p_w_unex): New function.
7916         (set_ssa_val_to): Use it for dominance checks taking into
7917         account not executable edges.
7919 2016-01-21  Jakub Jelinek  <jakub@redhat.com>
7921         PR c++/69355
7922         * tree-dfa.c (get_ref_base_and_extent): Use GET_MODE_BITSIZE (mode)
7923         for bitsize instead of GET_MODE_PRECISION (mode).
7925 2016-01-20  Martin Sebor  <msebor@redhat.com>
7927         PR c/52291
7928         * extend.texi (__sync Builtins): Clarify the semantics of
7929         __sync_fetch_and_OP built-ins on pointers.
7930         (__atomic Builtins): Same.
7932 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
7933             Sebastian Pop  <s.pop@samsung.com>
7935         * graphite-isl-ast-to-gimple.c (enum phi_node_kind): New.
7936         (class translate_isl_ast_to_gimple): Use phi_node_kind instead of bool.
7937         (is_valid_rename): Same.
7938         (translate_isl_ast_to_gimple::get_rename): Same.
7939         (translate_isl_ast_to_gimple::rename_all_uses): Same.
7940         (translate_isl_ast_to_gimple::rename_uses): Same.
7941         (get_new_name): Check for close_phi nodes.
7942         (copy_loop_phi_args): Use phi_node_kind.
7943         (translate_isl_ast_to_gimple::copy_loop_close_phi_args): Same.
7944         (translate_isl_ast_to_gimple::copy_cond_phi_args): Same.
7946 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
7947             Sebastian Pop  <s.pop@samsung.com>
7949         Revert commit r229783.
7950         * graphite-isl-ast-to-gimple.c (gcc_expression_from_isl_ast_expr_id):
7951         Remove use of parameter_rename_map.
7952         (copy_def): Remove.
7953         (copy_internal_parameters): Remove.
7954         (graphite_regenerate_ast_isl): Remove call to copy_internal_parameters.
7955         * sese.c (new_sese_info): Do not initialize parameter_rename_map.
7956         (free_sese_info): Do not free parameter_rename_map.
7957         (set_rename): Do not use parameter_rename_map.
7958         (rename_uses): Update call to set_rename.
7959         (graphite_copy_stmts_from_block): Do not use parameter_rename_map.
7960         * sese.h (parameter_rename_map_t): Remove.
7961         (struct sese_info_t): Remove field parameter_rename_map.
7963 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
7964             Sebastian Pop  <s.pop@samsung.com>
7966         * graphite-isl-ast-to-gimple.c: Fix comment.
7967         * graphite-scop-detection.c (defined_in_loop_p): New.
7968         (canonicalize_loop_closed_ssa): Do not add close phi nodes for SSA
7969         names defined in loop.
7971 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
7972             Sebastian Pop  <s.pop@samsung.com>
7974         * graphite-scop-detection.c (scop_detection::harmful_loop_in_region):
7975         Discard unstructured if-then-else regions.
7977 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
7978             Sebastian Pop  <s.pop@samsung.com>
7980         * graphite-sese-to-poly.c (set_scop_parameter_dim): Remove.
7981         (cleanup_loop_iter_dom): Remove.
7982         (build_loop_iteration_domains): Remove.
7983         (build_scop_context): Remove.
7984         (build_scop_iteration_domain): Remove.
7985         (add_loop_constraints): New.
7986         (build_iteration_domains): New.
7987         (build_poly_scop): Call build_iteration_domains.
7989 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
7990             Sebastian Pop  <s.pop@samsung.com>
7992         * graphite-scop-detection.c
7993         (scop_detection::harmful_loop_in_region): Free dom and loops.
7994         (scop_detection::loop_body_is_valid_scop): Free bbs.
7996 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
7997             Sebastian Pop  <s.pop@samsung.com>
7999         * graphite-scop-detection.c (record_loop_in_sese): New.
8000         (gather_bbs::before_dom_children): Call record_loop_in_sese.
8001         (build_scops): Remove call to build_sese_loop_nests.
8002         * sese.c (sese_record_loop): Remove.
8003         (build_sese_loop_nests): Remove.
8004         (new_sese_info): Remove region->loops.
8005         (free_sese_info): Same.
8006         * sese.h (sese_contains_loop): Same.
8007         (build_sese_loop_nests): Remove.
8008         (sese_contains_loop): Remove.
8010 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
8011             Sebastian Pop  <s.pop@samsung.com>
8013         * graphite-scop-detection.c (loop_is_valid_scop): Renamed
8014         loop_is_valid_in_scop.
8015         (scop_detection::harmful_stmt_in_region): Renamed
8016         harmful_loop_in_region.
8017         Call loop_is_valid_in_scop.
8019 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
8020             Sebastian Pop  <s.pop@samsung.com>
8022         * graphite-isl-ast-to-gimple.c (translate_isl_ast): Also handle
8023         isl_ast_node_mark.
8025 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
8026             Sebastian Pop  <s.pop@samsung.com>
8028         * graphite-poly.c (new_poly_bb): Remove use of PBB_IS_REDUCTION.
8029         * graphite.h (struct poly_bb): Remove field is_reduction.
8030         (PBB_IS_REDUCTION): Remove.
8032 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
8033             Sebastian Pop  <s.pop@samsung.com>
8035         * graphite-dependences.c (constrain_domain): Add call to isl_*_coalesce.
8036         (add_pdr_constraints): Same.
8037         (scop_get_reads): Same.
8038         (scop_get_must_writes): Same.
8039         (scop_get_may_writes): Same.
8040         (scop_get_original_schedule): Same.
8041         (extend_schedule): Same.
8042         (apply_schedule_on_deps): Same.
8043         (carries_deps): Same.
8044         (compute_deps): Same.
8045         (scop_get_dependences): Same.
8046         * graphite-isl-ast-to-gimple.c
8047         (translate_isl_ast_to_gimple::generate_isl_schedule): Same.
8048         * graphite-optimize-isl.c (get_schedule_for_band): Same.
8049         (get_schedule_for_band_list): Same.
8050         (get_schedule_map): Same.
8051         (apply_schedule_map_to_scop): Same.
8052         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
8053         (build_loop_iteration_domains): Same.
8054         (add_condition_to_pbb): Same.
8055         (add_param_constraints): Same.
8056         (pdr_add_memory_accesses): Same.
8057         (pdr_add_data_dimensions): Same.
8059 2016-01-20  Sandra Loosemore  <sandra@codesourcery.com>
8061         * doc/invoke.texi (Instrumentation Options): Clarify -mmpx linking
8062         requirements.
8064 2016-01-20  Sandra Loosemore  <sandra@codesourcery.com>
8066         * common.opt (feliminate-dwarf2-dups): Replace references to
8067         "DWARF 2" with just "DWARF".
8068         * config/ia64/ia64.opt (mdwarf2-asm): Likewise.
8069         * doc/extend.texi: Likewise.
8070         * doc/cpp.texi: Likewise.
8071         * doc/invoke.texi: Likewise.
8072         (Option Summary): Add -gdwarf to list of Debugging Options.
8073         (Debugging Options): Document -gdwarf.
8074         * doc/contrib.texi: Spell "DWARF" like that.
8076 2016-01-21  Jakub Jelinek  <jakub@redhat.com>
8078         * omp-low.c (expand_omp_target): Avoid -Wmaybe-uninitialized
8079         warning.  Fix up formatting.
8081         PR middle-end/67653
8082         * gimplify.c (gimplify_asm_expr): Warn if it is too late to
8083         attempt to mark memory input operand addressable and
8084         call prepare_gimple_addressable in that case.  Don't adjust
8085         input_location for diagnostics, use error_at instead.
8087 2016-01-20  Peter Bergner  <bergner@vnet.ibm.com>
8089         * config/rs6000/ppc-auxv.h: New file.
8090         * config/rs6000/rs6000-builtin.def (cpu_init): Add new builtin.
8091         (cpu_is): Likewise.
8092         (cpu_supports): Likewise.
8093         * config/rs6000/rs6000.c: include "ppc-auxv.h".
8094         (cpu_is_info): New variable.
8095         (cpu_supports_info): Likewise.
8096         (tcb_verification_symbol): Likewise.
8097         (cpu_builtin_p): Likewise.
8098         (cpu_expand_builtin): New function.
8099         (rs6000_expand_ternop_builtin): Add support for CPU builtin functions.
8100         (rs6000_init_builtins): Likewise.
8101         (rs6000_elf_file_end): Emit HWCAP in TCB verification symbol.
8102         * config/rs6000/rs6000.h (TLS_REGNUM): New define.
8103         * configure.ac (gcc_cv_libc_provides_hwcap_in_tcb): New test.
8104         * configure: Regenerate.
8105         * config.in: Likewise.
8106         * doc/extend.texi (PowerPC Built-in Functions): Document
8107         __builtin_cpu_init, __builtin_cpu_is and __builtin_cpu_supports.
8109 2016-01-20  David Edelsohn  <dje.gcc@gmail.com>
8111         PR target/68609
8112         * config/rs6000/rs6000.c (rs6000_emit_swsqrt): Add vector sqrt
8113         domain check.
8114         * config/rs6000/vector.md (sqrt<mode>2): Call rs6000_emit_swsqrt
8115         for V4SFmode.
8117 2016-01-20  Richard Henderson  <rth@redhat.com>
8119         PR bootstrap/69343
8120         PR bootstrap/69339
8121         PR tree-opt/68964
8122         Revert:
8123         * tree.c (tm_define_builtin): New.
8124         (find_tm_vector_type): New.
8125         (build_tm_vector_builtins): New.
8126         (build_common_builtin_nodes): Call it.
8128 2016-01-20  Christophe Lyon  <christophe.lyon@linaro.org>
8130         * doc/sourcebuild.texi (arm_crypto_pragma_ok): Document new entry.
8131         (arm_fp_ok): Likewise.
8132         (arm_fp): Likewise.
8133         (arm_crypto): Likewise.
8135 2016-01-20  Ilya Enkovich  <enkovich.gnu@gmail.com>
8136             Richard Biener  <rguenther@suse.de>
8138         PR tree-optimization/69328
8139         * tree-vect-stmts.c (vect_is_simple_cond): Check compared
8140         vectors have same number of elements.
8141         (vectorizable_condition): Fix masked version recognition.
8143 2016-01-20  Richard Biener  <rguenther@suse.de>
8145         PR tree-optimization/69345
8146         * tree-ssa-sccvn.h (VN_INFO_RANGE_INFO): New inline function.
8147         (VN_INFO_PTR_INFO): Likewise.
8148         * tree-ssa-sccvn.c (set_ssa_val_to): Avoid clearing points-to
8149         info when it is equal between non-dominating SSA names.
8150         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
8151         Make sure to look at original SSA infos.
8153 2016-01-20  Jeff Law  <law@redhat.com>
8155         PR target/25114
8156         * config/m68k/predicates.md (pow2_m1_operand): New predicate
8157         extracted from ...
8158         (reg_or_pow2_m1_operand): Call pow2_m1_operand.
8159         (pc_or_label_operand): New predicate.
8160         * config/m68k/m68k.md: Add new peephole2 patterns for GTU/LEU
8161         tests for small integers that are 2^n - 1.
8163 2016-01-20  Jonathan Wakely  <jwakely@redhat.com>
8165         * doc/invoke.texi (Options Summary): Add '.' after @xref.
8167 2016-01-19  Jeff Law  <law@redhat.com>
8169         PR middle-end/69347
8170         * tree-ssa-threadbackwards.c
8171         (fsm_find_control_statement_thread_paths): Do not try to lookup
8172         FSM paths for SSA_NAMEs appearing in abnormal PHIs.
8174 2016-01-20  Kugan Vivekanandarajah  <kuganv@linaro.org>
8176         * doc/lto.texi: Remove text that says only Gold has linker plugin
8177         support.
8179 2016-01-19  Eric Botcazou  <ebotcazou@adacore.com>
8181         * dwarf2out.c (need_endianity_attribute_p): New inline predicate.
8182         (base_type_die): Add REVERSE parameter and attach DW_AT_endianity to
8183         the DIE accordingly.
8184         (modified_type_die): Add REVERSE parameter and pass it recursively,
8185         as well as to base_type_die.  Adjust presence check accordingly.
8186         (base_type_for_mode): Adjust call to modified_type_die.
8187         (add_type_attribute): Add REVERSE parameter and pass it to
8188         modified_type_die.
8189         (generic_parameter_die): Adjust call to add_type_attribute.
8190         (add_scalar_info): Likewise.
8191         (add_subscript_info): Likewise.
8192         (gen_array_type_die): Likewise.
8193         (gen_descr_array_type_die): Likewise.
8194         (gen_entry_point_die): Likewise.
8195         (gen_enumeration_type_die): Likewise.
8196         (gen_formal_parameter_die): Likewise.
8197         (gen_subprogram_die): Likewise.
8198         (gen_variable_die ): Likewise.
8199         (gen_const_die): Likewise.
8200         (gen_field_die): Likewise.
8201         (gen_pointer_type_die): Likewise.
8202         (gen_reference_type_die): Likewise.
8203         (gen_ptr_to_mbr_type_die): Likewise.
8204         (gen_inheritance_die): Likewise.
8205         (gen_subroutine_type_die): Likewise.
8206         (gen_typedef_die): Likewise.
8207         (force_type_die): Adjust call to modified_type_die.
8209 2016-01-19  Sandra Loosemore  <sandra@codesourcery.com>
8211         * doc/standards.texi: Copy-editing for grammar, markup, and sentence
8212         flow throughout the file.  Fix broken link to Objective-C 2.0
8213         documentation.
8214         * doc/invoke.texi: More copy-editing; fix numerous typos and spelling
8215         errors.
8217 2016-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
8219         * ccmp.c (expand_ccmp_expr_1): Avoid spurious unused warnings.
8221 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
8223         PR ipa/66223
8224         * ipa-devirt.c (is_cxa_pure_virtual_p): New function.
8225         (maybe_record_node): Record cxa_pure_virtual as the only possible
8226         target if there are not ohter candidates.
8227         (possible_polymorphic_call_target_p): Accept cxa_pure_virtual.
8229 2016-01-19  Richard Biener  <rguenther@suse.de>
8231         * hsa-gen.c (get_memory_order_name): Use MEMMODEL_ constants.
8232         (get_memory_order): Likewise.
8234 2016-01-19  Kirill Yukhin  <kirill.yukhin@intel.com>
8236         * tree-vect-stmts.c (vectorizable_store): Check
8237         rhs vectype.
8239 2016-01-19  David Malcolm  <dmalcolm@redhat.com>
8241         PR jit/68446
8242         * gcc.c (driver::decode_argv): Add call to
8243         init_opts_obstack before init_options_struct.
8244         * opts.c (init_opts_obstack): Remove idempotency.
8245         (init_options_struct): Replace call to init_opts_obstack
8246         with a gcc_assert to verify that it has already been called.
8247         * toplev.c (toplev::main): Add call to init_opts_obstack before
8248         calls to init_options_struct.
8249         (toplev::finalize): Move cleanup of opts_obstack next to
8250         cleanup of save_decoded_options, clearing the latter, and
8251         save_decoded_options_count.
8253 2016-01-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8255         PR target/69135
8256         * config/arm/vfp.md (l<vrint_pattern><su_optab><mode>si2): Set "conds"
8257         attribute to unconditional.  Remove %? from output template.
8259 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
8260             Jiong Wang  <jiong.wang@arm.com>
8262         * ccmp.c (expand_ccmp_expr_1): Cost the instruction sequences
8263         generated from different expand order.
8265 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
8267         * /config/aarch64/aarch64.c (aarch64_if_then_else_costs):
8268         Add support for CCMP costing.
8270 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
8272         * ccmp.c (ccmp_candidate_p): Remove integer-only restriction.
8273         * config/aarch64/aarch64.md (fccmp<mode>): New pattern.
8274         (fccmpe<mode>): Likewise.
8275         (fcmp): Rename to fcmp and globalize pattern.
8276         (fcmpe): Likewise.
8277         * config/aarch64/aarch64.c (aarch64_gen_ccmp_first): Add FP support.
8278         (aarch64_gen_ccmp_next): Add FP support.
8280 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
8282         * target.def (gen_ccmp_first): Update documentation.
8283         (gen_ccmp_next): Likewise.
8284         * doc/tm.texi (gen_ccmp_first): Update documentation.
8285         (gen_ccmp_next): Likewise.
8286         * ccmp.c (expand_ccmp_expr): Extract cmp_code from return value of
8287         expand_ccmp_expr_1.  Improve comments.
8288         * config/aarch64/aarch64.md (ccmp_and): Use if_then_else for ccmp.
8289         (ccmp_ior<mode>): Remove pattern.
8290         (cmp<mode>): Remove expand.
8291         (cmp): Globalize pattern.
8292         (cstorecc4): Use cc_register.
8293         (mov<mode>cc): Remove ccmp_cc_register check.
8294         * config/aarch64/aarch64.c (aarch64_get_condition_code_1):
8295         Simplify after removal of CC_DNE/* modes.
8296         (aarch64_ccmp_mode_to_code): Remove.
8297         (aarch64_print_operand): Remove 'K' case.  Merge 'm' and 'M' cases.
8298         In 'k' case use integer as condition.
8299         (aarch64_nzcv_codes): Remove inverted cases.
8300         (aarch64_code_to_ccmode): Remove.
8301         (aarch64_gen_ccmp_first): Use cmp pattern directly.  Return the correct
8302         comparison with CC register to be used in folowing CCMP/branch/CSEL.
8303         (aarch64_gen_ccmp_next): Use previous comparison and mode in CCMP
8304         pattern.  Return the comparison with CC register.  Invert conditions
8305         when bitcode is OR.
8306         * config/aarch64/aarch64-modes.def: Remove CC_DNE/* modes.
8307         * config/aarch64/predicates.md (ccmp_cc_register): Remove.
8309 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
8311         * cgraphunit.c (cgraph_node::reset): Clear thunk info and
8312         instrumented_version.
8314 2016-01-19  Richard Biener  <rguenther@suse.de>
8316         PR tree-optimization/69336
8317         * tree-ssa-scopedtables.c (avail_expr_hash): Handle all
8318         handled components with get_ref_base_and_extent.
8319         (equal_mem_array_ref_p): Adjust.
8321 2016-01-19  Jakub Jelinek  <jakub@redhat.com>
8323         PR debug/65779
8324         * shrink-wrap.c: Include valtrack.h.
8325         (move_insn_for_shrink_wrap): Add DEBUG argument.  If
8326         MAY_HAVE_DEBUG_INSNS, call dead_debug_add on DEBUG_INSNs
8327         in between insn and where it will be moved to.  Call
8328         dead_debug_insert_temp.
8329         (prepare_shrink_wrap): Adjust caller.  Call dead_debug_local_init
8330         first and dead_debug_local_finish at the end.
8331         For uses and defs bitmap, handle all regs in between REGNO and
8332         END_REGNO, not just the first one.
8334 2016-01-19  Richard Biener  <rguenther@suse.de>
8336         PR tree-optimization/69352
8337         * tree-ssa-scopedtables.c (avail_expr_hash): Check for size == -1.
8338         (equal_mem_array_ref_p): Constrain size and max size properly.
8339         Compare the reverse flag.
8341 2016-01-19  Bernd Schmidt  <bschmidt@redhat.com>
8343         * ira.c (ira): Update regstat data if we deleted insns.
8345 2016-01-19  Jakub Jelinek  <jakub@redhat.com>
8347         PR rtl-optimization/68955
8348         PR rtl-optimization/64557
8349         * dse.c (record_store, check_mem_read_rtx): Don't call get_addr
8350         here.  Fix up formatting.
8351         * alias.c (get_addr): Handle VALUE +/- CONST_SCALAR_INT_P.
8353 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
8355         PR lto/69133
8356         * cgraphunit.c (cgraph_node::expand_thunk): When forcing gimple
8357         assume that the node has body.
8358         * cgraph.c (cgraph_node::get_untransformed_body): Use gimple_body_p
8359         check.
8361 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
8363         * lto-streamer-out.c (lto_output): Do not stream instrumentation
8364         thunks.
8366 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
8368         * symtab.c (symtab_node::asm_name): Do not call printable name directly.
8369         (symtab_node::name): Report name as unnamed if DECL_NAME is not set.
8371 2016-01-19  Martin Jambor  <mjambor@suse.cz>
8372             Martin Liska  <mliska@suse.cz>
8373             Michael Matz  <matz@suse.de>
8375         * Makefile.in (OBJS): Add new source files.
8376         (GTFILES): Add hsa.c.
8377         * common.opt (disable_hsa): New variable.
8378         (-Whsa): New warning.
8379         * config.in (ENABLE_HSA): New.
8380         * configure.ac: Treat hsa differently from other accelerators.
8381         (OFFLOAD_TARGETS): Define ENABLE_OFFLOADING according to
8382         $enable_offloading.
8383         (ENABLE_HSA): Define ENABLE_HSA according to $enable_hsa.
8384         * doc/install.texi (Configuration): Document --with-hsa-runtime,
8385         --with-hsa-runtime-include, --with-hsa-runtime-lib and
8386         --with-hsa-kmt-lib.
8387         * doc/invoke.texi (-Whsa): Document.
8388         (hsa-gen-debug-stores): Likewise.
8389         * lto-wrapper.c (compile_images_for_offload_targets): Do not attempt
8390         to invoke offload compiler for hsa acclerator.
8391         * opts.c (common_handle_option): Determine whether HSA offloading
8392         should be performed.
8393         * params.def (PARAM_HSA_GEN_DEBUG_STORES): New parameter.
8394         * builtin-types.def (BT_FN_VOID_UINT_PTR_INT_PTR): New.
8395         (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_INT_INT): Removed.
8396         (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_PTR): New.
8397         * gimple-low.c (lower_stmt): Also handle GIMPLE_OMP_GRID_BODY.
8398         * gimple-pretty-print.c (dump_gimple_omp_for): Also handle
8399         GF_OMP_FOR_KIND_GRID_LOOP.
8400         (dump_gimple_omp_block): Also handle GIMPLE_OMP_GRID_BODY.
8401         (pp_gimple_stmt_1): Likewise.
8402         * gimple-walk.c (walk_gimple_stmt): Likewise.
8403         * gimple.c (gimple_build_omp_grid_body): New function.
8404         (gimple_copy): Also handle GIMPLE_OMP_GRID_BODY.
8405         * gimple.def (GIMPLE_OMP_GRID_BODY): New.
8406         * gimple.h (enum gf_mask): Added GF_OMP_PARALLEL_GRID_PHONY,
8407         GF_OMP_FOR_KIND_GRID_LOOP, GF_OMP_FOR_GRID_PHONY and
8408         GF_OMP_TEAMS_GRID_PHONY.
8409         (gimple_statement_omp_single_layout): Updated comments.
8410         (gimple_build_omp_grid_body): New function.
8411         (gimple_has_substatements): Also handle GIMPLE_OMP_GRID_BODY.
8412         (gimple_omp_for_grid_phony): New function.
8413         (gimple_omp_for_set_grid_phony): Likewise.
8414         (gimple_omp_parallel_grid_phony): Likewise.
8415         (gimple_omp_parallel_set_grid_phony): Likewise.
8416         (gimple_omp_teams_grid_phony): Likewise.
8417         (gimple_omp_teams_set_grid_phony): Likewise.
8418         (gimple_return_set_retbnd): Also handle GIMPLE_OMP_GRID_BODY.
8419         * omp-builtins.def (BUILT_IN_GOMP_OFFLOAD_REGISTER): New.
8420         (BUILT_IN_GOMP_OFFLOAD_UNREGISTER): Likewise.
8421         (BUILT_IN_GOMP_TARGET): Updated type.
8422         * omp-low.c: Include symbol-summary.h, hsa.h and params.h.
8423         (adjust_for_condition): New function.
8424         (get_omp_for_step_from_incr): Likewise.
8425         (extract_omp_for_data): Moved parts to adjust_for_condition and
8426         get_omp_for_step_from_incr.
8427         (build_outer_var_ref): Handle GIMPLE_OMP_GRID_BODY.
8428         (fixup_child_record_type): Bail out if receiver_decl is NULL.
8429         (scan_sharing_clauses): Handle OMP_CLAUSE__GRIDDIM_.
8430         (scan_omp_parallel): Do not create child functions for phony
8431         constructs.
8432         (check_omp_nesting_restrictions): Handle GIMPLE_OMP_GRID_BODY.
8433         (scan_omp_1_op): Checking assert we are not remapping to
8434         ERROR_MARK.  Also also handle GIMPLE_OMP_GRID_BODY.
8435         (parallel_needs_hsa_kernel_p): New function.
8436         (expand_parallel_call): Register apprpriate parallel child
8437         functions as HSA kernels.
8438         (grid_launch_attributes_trees): New type.
8439         (grid_attr_trees): New variable.
8440         (grid_create_kernel_launch_attr_types): New function.
8441         (grid_insert_store_range_dim): Likewise.
8442         (grid_get_kernel_launch_attributes): Likewise.
8443         (get_target_argument_identifier_1): Likewise.
8444         (get_target_argument_identifier): Likewise.
8445         (get_target_argument_value): Likewise.
8446         (push_target_argument_according_to_value): Likewise.
8447         (get_target_arguments): Likewise.
8448         (expand_omp_target): Call get_target_arguments instead of looking
8449         up for teams and thread limit.
8450         (grid_expand_omp_for_loop): New function.
8451         (grid_arg_decl_map): New type.
8452         (grid_remap_kernel_arg_accesses): New function.
8453         (grid_expand_target_kernel_body): New function.
8454         (expand_omp): Call it.
8455         (lower_omp_for): Do not emit phony constructs.
8456         (lower_omp_taskreg): Do not emit phony constructs but create for them
8457         a temporary variable receiver_decl.
8458         (lower_omp_taskreg): Do not emit phony constructs.
8459         (lower_omp_teams): Likewise.
8460         (lower_omp_grid_body): New function.
8461         (lower_omp_1): Call it.
8462         (grid_reg_assignment_to_local_var_p): New function.
8463         (grid_seq_only_contains_local_assignments): Likewise.
8464         (grid_find_single_omp_among_assignments_1): Likewise.
8465         (grid_find_single_omp_among_assignments): Likewise.
8466         (grid_find_ungridifiable_statement): Likewise.
8467         (grid_target_follows_gridifiable_pattern): Likewise.
8468         (grid_remap_prebody_decls): Likewise.
8469         (grid_copy_leading_local_assignments): Likewise.
8470         (grid_process_kernel_body_copy): Likewise.
8471         (grid_attempt_target_gridification): Likewise.
8472         (grid_gridify_all_targets_stmt): Likewise.
8473         (grid_gridify_all_targets): Likewise.
8474         (execute_lower_omp): Call grid_gridify_all_targets.
8475         (make_gimple_omp_edges): Handle GIMPLE_OMP_GRID_BODY.
8476         * tree-core.h (omp_clause_code): Added OMP_CLAUSE__GRIDDIM_.
8477         (tree_omp_clause): Added union field dimension.
8478         * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE__GRIDDIM_.
8479         * tree.c (omp_clause_num_ops): Added number of arguments of
8480         OMP_CLAUSE__GRIDDIM_.
8481         (omp_clause_code_name): Added name of OMP_CLAUSE__GRIDDIM_.
8482         (walk_tree_1): Handle OMP_CLAUSE__GRIDDIM_.
8483         * tree.h (OMP_CLAUSE_GRIDDIM_DIMENSION): New.
8484         (OMP_CLAUSE_SET_GRIDDIM_DIMENSION): Likewise.
8485         (OMP_CLAUSE_GRIDDIM_SIZE): Likewise.
8486         (OMP_CLAUSE_GRIDDIM_GROUP): Likewise.
8487         * passes.def: Schedule pass_ipa_hsa and pass_gen_hsail.
8488         * tree-pass.h (make_pass_gen_hsail): Declare.
8489         (make_pass_ipa_hsa): Likewise.
8490         * ipa-hsa.c: New file.
8491         * lto-section-in.c (lto_section_name): Add hsa section name.
8492         * lto-streamer.h (lto_section_type): Add hsa section.
8493         * timevar.def (TV_IPA_HSA): New.
8494         * hsa-brig-format.h: New file.
8495         * hsa-brig.c: New file.
8496         * hsa-dump.c: Likewise.
8497         * hsa-gen.c: Likewise.
8498         * hsa.c: Likewise.
8499         * hsa.h: Likewise.
8500         * toplev.c (compile_file): Call hsa_output_brig.
8501         * hsa-regalloc.c: New file.
8503 2016-01-18  Jeff Law  <law@redhat.com>
8505         PR tree-optimization/69320
8506         * tree-ssa-dom.c (record_edge_info): For comparisons against a boolean
8507         ranged object, do nothing if the RHS constant is not [0..1].
8508         (optimize_stmt): Comparing a boolean ranged object against a
8509         constant outside [0..1] results in a compile-time constant.
8511         * tree-ssanames.c (ssa_name_has_boolean_range): Remove unnecessary
8512         test.
8514 2016-01-18  Sandra Loosemore  <sandra@codesourcery.com>
8516         * doc/invoke.texi (Invoking GCC): Add new section to menu.
8517         (Option Summary): Update to reflect new section and moved options.
8518         (C++ Dialect Options): Move -fstats to new section.
8519         (Debugging Options): Move all dump, statistics, and other GCC
8520         developer options to new section.  Rewrite section introduction
8521         and re-order remaining options to put the more basic ones first.
8522         (Optimization Options): Move -fira-verbose and -flto-report* to
8523         new section.
8524         (Developer Options): New section incorporating moved options.
8525         * doc/cppopts.texi (-dM): Update cross-reference.
8527 2016-01-18  Richard Henderson  <rth@redhat.com>
8529         PR target/69176
8530         * config/aarch64/aarch64.md (add<GPI>3): Move long immediate
8531         operands to pseudo only if CSE is expected.  Split long immediate
8532         operands only after reload, and for the stack pointer.
8533         (*add<GPI>3_pluslong): Remove.
8534         (*addsi3_aarch64, *adddi3_aarch64): Merge into...
8535         (*add<GPI>3_aarch64): ... here.  Add r/rk/Upl alternative.
8536         (*addsi3_aarch64_uxtw): Add r/rk/Upl alternative.
8537         (*add<GPI>3 peepholes): New.
8538         (*add<GPI>3 splitters): New.
8539         * config/aarch64/constraints.md (Upl): New.
8540         * config/aarch64/predicates.md (aarch64_pluslong_strict_immedate): New.
8542 2016-01-18  Richard Biener  <rguenther@suse.de>
8544         PR tree-optimization/69297
8545         * tree-vect-slp.c (vect_bb_slp_scalar_cost): Count each scalar
8546         stmt at most once.
8547         (vect_bb_vectorization_profitable_p): Clear visited flag again.
8549 2016-01-18  Yuri Rumyantsev  <ysrumyan@gmail.com>
8551         PR middle-end/68542
8552         * fold-const.c (fold_binary_op_with_conditional_arg): Bail out for case
8553         of mixind vector and scalar types.
8554         (fold_relational_const): Add handling of vector
8555         comparison with boolean result.
8556         * tree-cfg.c (verify_gimple_comparison): Add argument CODE, allow
8557         comparison of vector operands with boolean result for EQ/NE only.
8558         (verify_gimple_assign_binary): Adjust call for verify_gimple_comparison.
8559         (verify_gimple_cond): Likewise.
8560         * tree-vrp.c (extract_code_and_val_from_cond_with_ops): Modify check on
8561         valid type of VAL.
8563 2016-01-18  Joseph Myers  <joseph@codesourcery.com>
8565         * config/mips/mips.h (ISA_HAS_PAIRED_SINGLE): Require
8566         !TARGET_OCTEON.
8568 2016-01-18  Richard Biener  <rguenther@suse.de>
8570         PR middle-end/69308
8571         * gimple.c (gimple_could_trap_p_1): Handle GIMPLE_COND.
8573 2016-01-18  Tom de Vries  <tom@codesourcery.com>
8575         * passes.def: Add pass_parallelize_loops to pass_oacc_kernels.
8577 2016-01-18  Tom de Vries  <tom@codesourcery.com>
8579         * omp-low.c (set_oacc_fn_attrib): Make extern.
8580         * omp-low.h (set_oacc_fn_attrib): Declare.
8581         * tree-parloops.c (struct reduction_info): Add reduc_addr field.
8582         (create_call_for_reduction_1): Handle case that reduc_addr is non-NULL.
8583         (create_parallel_loop, gen_parallel_loop, try_create_reduction_list):
8584         Add and handle function parameter oacc_kernels_p.
8585         (find_reduc_addr, get_omp_data_i_param): New function.
8586         (ref_conflicts_with_region, oacc_entry_exit_ok_1)
8587         (oacc_entry_exit_single_gang, oacc_entry_exit_ok): New function.
8588         (parallelize_loops): Add and handle function parameter oacc_kernels_p.
8589         Calculate dominance info.  Skip loops that are not in a kernels region
8590         in oacc_kernels_p mode.  Skip inner loops of parallelized loops.
8591         (pass_parallelize_loops::execute): Call parallelize_loops with
8592         oacc_kernels_p argument.
8593         (pass_parallelize_loops::clone, pass_parallelize_loops::set_pass_param):
8594         New member function.
8595         (pass_parallelize_loops::bool oacc_kernels_p): New member var.
8596         * passes.def: Add argument to pass_parallelize_loops instantation.
8598 2016-01-18  Tom de Vries  <tom@codesourcery.com>
8600         * tree-parloops.c (pass_parallelize_loops::execute): Allow
8601         pass_parallelize_loops to be run outside the loop pipeline.
8603 2016-01-18  Alan Lawrence  <alan.lawrence@arm.com>
8605         * tree-scalar-evolution.c (follow_copies_to_constant): New.
8606         (analyze_initial_condition, analyze_scalar_evolution_1): Call previous.
8608 2016-01-18  Alan Lawrence  <alan.lawrence@arm.com>
8610         PR target/63679
8611         * tree-ssa-scopedtables.c (avail_expr_hash): Hash MEM_REF and ARRAY_REF
8612         using get_ref_base_and_extent.
8613         (equal_mem_array_ref_p): New.
8614         (hashable_expr_equal_p): Add call to previous.
8616 2016-01-18  Alan Lawrence  <alan.lawrence@arm.com>
8618         PR target/63679
8619         * tree-sra.c (disqualified_constants, constant_decl_p): New.
8620         (sra_initialize): Allocate disqualified_constants.
8621         (sra_deinitialize): Free disqualified_constants.
8622         (disqualify_candidate): Update disqualified_constants when appropriate.
8623         (create_access): Scan for constant-pool entries as we go along.
8624         (scalarizable_type_p): Add check against type_contains_placeholder_p.
8625         (maybe_add_sra_candidate): Allow constant-pool entries.
8626         (load_assign_lhs_subreplacements): Bind debug for constant pool vars.
8627         (initialize_constant_pool_replacements): New.
8628         (sra_modify_assign): Avoid mangling assignments created by previous,
8629         and don't generate writes into constant pool.
8630         (sra_modify_function_body): Call initialize_constant_pool_replacements.
8632 2016-01-18  Ilya Enkovich  <enkovich.gnu@gmail.com>
8634         * config/i386/i386.c (scalar_to_vector_candidate_p): Support
8635         andnot instruction.
8636         (scalar_chain::convert_op): Likewise.
8637         * config/i386/i386.md (*andndi3_doubleword): New.
8639 2016-01-18  Richard Biener  <rguenther@suse.de>
8641         PR tree-optimization/69170
8642         * tree-vect-slp.c (vect_build_slp_tree): Verify we are not
8643         building a vector from scalar results of a pattern stmt.
8645 2016-01-18  Jakub Jelinek  <jakub@redhat.com>
8647         * haifa-sched.c (autopref_multipass_init): Work around
8648         -Wmaybe-uninitialized warning.
8650 2016-01-18  Thomas Preud'homme  <thomas.preudhomme@arm.com>
8652         * config/arm/arm.c (thumb1_reorg): Check that the comparison is
8653         against the constant 0.
8655 2016-01-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
8657         PR tree-optimization/68799
8658         * gimple-ssa-strength-reduction.c (create_phi_basis): Directly
8659         look up phi candidates in the statement-candidate map.
8660         (phi_add_costs): Likewise.
8661         (record_phi_increments): Likewise.
8662         (phi_incr_cost): Likewise.
8663         (ncd_with_phi): Likewise.
8664         (all_phi_incrs_profitable): Likewise.
8666 2016-01-17  Jakub Jelinek  <jakub@redhat.com>
8668         * omp-low.c (mark_loops_in_oacc_kernels_region): Work around
8669         -Wmaybe-uninitialized warning.
8671 2016-01-16  Sandra Loosemore  <sandra@codesourcery.com>
8673         * doc/invoke.texi (Invoking GCC): Add new section to menu.
8674         (Option Summary): Update to reflect new section and moved options.
8675         (C++ Dialect Options): Move -fvtable-verify and related options.
8676         (Debugging Options): Move Sanitizer, Pointer Bounds Checker,
8677         and profiling-related options.
8678         (Optimization Options): Move profile generation options and
8679         -fstack-protector and related options.
8680         (Instrumentation Options): New section incorporating moved options.
8681         (Code Generation Options): Move -finstrument-functions and
8682         related options, -fstack-check, -fstack-limit*, and -fbounds-check.
8684 2016-01-16  Tom de Vries  <tom@codesourcery.com>
8686         * passes.def: Move pass_expand_omp_ssa out of pass_parallelize_loops.
8688 2016-01-16  Tom de Vries  <tom@codesourcery.com>
8690         * omp-low.c (expand_omp_atomic_fetch_op):  Release defs of update stmt.
8692 2016-01-16  Richard Sandiford  <richard.sandiford@arm.com>
8694         * hash-table.h (hash_table::empty): Turn into an inline wrapper
8695         that checks whether the table is already empty.  Rename the
8696         original implementation to...
8697         (hash_table::empty_slot): ...this new private function.
8699 2016-01-15  David Malcolm  <dmalcolm@redhat.com>
8701         PR diagnostic/68899
8702         * diagnostic-show-locus.c (layout::print_source_line): Move x
8703         offset of line until after call to
8704         get_line_width_without_trailing_whitespace.
8706 2016-01-15  Jeff Law  <law@redhat.com>
8708         PR tree-optimization/69270
8709         * tree-ssanames.c (ssa_name_has_boolean_range): Moved here from
8710         tree-ssa-dom.c.  Improve test for [0..1] ranve from VRP.
8711         * tree-ssa-dom.c (ssa_name_has_boolean_range): Remove.
8712         * tree-ssanames.h (ssa_name_has_boolean_range): Prototype.
8713         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
8714         ssa_name_has_boolean_range and constant_boolean_node.
8716 2016-01-15  Vladimir Makarov  <vmakarov@redhat.com>
8718         PR rtl-optimization/69030
8719         * lra-spills.c (remove_pseudos): Check nrefs and make the function
8720         returning bool.
8721         (spill_pseudos): Delete debug insn for dead pseudo.
8722         (lra_spill): Initiate spill_hard_reg and slots memory separately.
8724 2016-01-15  Jiong Wang  <jiong.wang@arm.com>
8726         * config/aarch64/aarch64-builtins.c (aarch64_types_unopus_qualifiers):
8727         New.
8728         (TYPES_UNOPUS): Likewise.
8729         * config/aarch64/aarch64-simd-builtins.def (lbtruncuv2sf): Correct
8730         builtin type, from UNOP to UNOPUS.
8731         (lbtruncuv4sf): Likewise.
8732         (lbtruncuv2df): Likewise.
8733         (lrounduv2sf): Likewise.
8734         (lrounduv4sf): Likewise.
8735         (lrounduv2df): Likewise.
8736         (lroundusf): Likewise.
8737         (lroundusf): Likewise.
8738         (lceiluv2sf): Likewise.
8739         (lceiluv4sf): Likewise.
8740         (lceiluv2df): Likewise.
8741         (lceilusf): Likewise.
8742         (lceiludf): Likewise.
8743         (lflooruv2sf): Likewise.
8744         (lflooruv4sf): Likewise.
8745         (lflooruv2df): Likewise.
8746         (lfloorusf): Likewise.
8747         (lfloorudf): Likewise.
8748         (lfrintnuv2sf): Likewise.
8749         (lfrintnuv4sf): Likewise.
8750         (lfrintnuv2df): Likewise.
8751         (lfrintnusf): Likewise.
8752         (lfrintnudf): Likewise.
8753         * config/aarch64/arm_neon.h (vcvt_u32_f32): Remove unncessary type
8754         conversion.
8755         (vcvtq_u32_f32): Likewise.
8756         (vcvtq_u64_f64): Likewise.
8757         (vcvta_u32_f32): Likewise.
8758         (vcvtaq_u32_f32): Likewise.
8759         (vcvtaq_u64_f64): Likewise.
8760         (vcvtm_u32_f32): Likewise.
8761         (vcvtmq_u32_f32): Likewise.
8762         (vcvtmq_u64_f64): Likewise.
8763         (vcvtn_u32_f32): Likwise.
8764         (vcvtnq_u32_f32): Likewise.
8765         (vcvtnq_u64_f64): Likewise.
8766         (vcvtp_u32_f32): Likewise.
8767         (vcvtpq_u32_f32): Likewise.
8768         (vcvtpq_u64_f64): Likewise.
8769         (vcvtmd_u64_f64): Likewise.
8770         (vcvtms_u32_f32): Likewise.
8771         (vcvtad_u64_f64): Likewise.
8772         (vcvtas_u32_f32): Likewise.
8773         (vcvtnd_u64_f64): Likewise.
8774         (vcvtns_u32_f32): Likewise.
8775         (vcvtpd_u64_f64): Likewise.
8776         (vcvtps_u32_f32): Likewise.
8778 2016-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8780         * config/aarch64/aarch64.c (aarch64_if_then_else_costs): Handle
8781         CSEL of zero_extended registers.
8783 2016-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8785         * config/aarch64/aarch64.c (aarch64_rtx_costs, COMPARE case):
8786         Handle COMPARE of ZERO_EXTRACT against zero form of TST-immediate.
8788 2016-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8790         * config/aarch64/aarch64.c (aarch64_process_one_target_attr): Return
8791         false when argument string is not found in the attributes table
8792         at all.
8794 2016-01-15  David Edelsohn  <dje.gcc@gmail.com>
8796         PR target/68609
8797         * config/rs6000/rs6000.c (rs6000_emit_msub): Delete.
8798         (rs6000_emit_swsqrt): Convert to Goldschmidt's Algorithm
8799         * config/rs6000/rs6000.md (sqrt<mode>2): Limit swsqrt to high
8800         precision estimate.
8802 2016-01-15  Richard Biener  <rguenther@suse.de>
8804         PR tree-optimization/66856
8805         * tree-vect-loop.c (vect_transform_loop): Free SLP instances here.
8806         * tree-vect-slp.c (vect_free_slp_tree): Decrement stmt reference count.
8807         (vect_create_new_slp_node): Increment stmt reference count.
8808         (vect_get_and_check_slp_defs): Make sure stmts are nor already in
8809         an SLP tree before swapping operands.
8810         (vect_build_slp_tree): Likewise.
8811         (destroy_bb_vec_info): Free stmt info after SLP instances.
8812         * tree-vect-stmts.c (new_stmt_vec_info): Initialize reference count.
8813         * tree-vectorizer.h (struct _stmt_vec_info): Add num_slp_uses field.
8814         (STMT_VINFO_NUM_SLP_USES): New macro.
8816 2016-01-15  Richard Biener  <rguenther@suse.de>
8818         PR debug/69137
8819         * dwarf2out.c (add_linkage_name_raw): New function split out from ...
8820         (add_linkage_name): ... here.
8821         (gen_typedef_die): Use add_linkage_name_raw instead of
8822         add_linkage_attr to delay DECL_ASSEMBLER_NAME computation
8823         if necessary.
8825 2016-01-15  Cesar Philippidis  <cesar@codesourcery.com>
8827         * gimplify.c (oacc_default_clause): Decode reference and pointer
8828         types for both kernels and parallel regions.
8830 2016-01-15  Richard Sandiford  <richard.sandiford@arm.com>
8832         PR middle-end/69246
8833         * calls.c (emit_call_1): Force n_popped to zero for sibcalls.
8835 2016-01-15  Ilya Enkovich  <enkovich.gnu@gmail.com>
8837         * config/i386/i386.c (scalar_chain::compute_convert_gain): Fix typo.
8838         (convert_scalars_to_vector): Likewise.
8840 2016-01-15  Jonathan Wakely  <jwakely@redhat.com>
8842         * doc/extend.texi (Type Traits): Fix grammar.
8844 2016-01-15  Martin Jambor  <mjambor@suse.cz>
8846         * tree-inline.c (remap_decl): Use existing dclarations if
8847         remapping a type and prevent_decl_creation_for_types.
8848         (replace_locals_stmt): Do an initial remapping of non-VLA typed
8849         decls first.  Do real remapping with
8850         prevent_decl_creation_for_types set.
8851         * tree-inline.h (copy_body_data): New field
8852         prevent_decl_creation_for_types, moved remap_var_for_cilk to avoid
8853         padding.
8855 2016-01-15  Dominik Vogt  <vogt@linux.vnet.ibm.com>
8857         * config/s390/s390.opt (mmvcle): More verbose help text.
8859 2016-01-15  Dominik Vogt  <vogt@linux.vnet.ibm.com>
8861         * config/s390/s390.opt: Add period to -mzvector option text.
8863 2016-01-15  Richard Biener  <rguenther@suse.de>
8865         PR tree-optimization/68961
8866         * tree-vect-slp.c (vect_analyze_slp_cost_1): Consider cost
8867         of invariants in stores again.
8869 2016-01-15  Sebastian Huber  <sebastian.huber@embedded-brains.de>
8871         * config/arm/t-rtems: Add cortex-m7/fpv5-d16 multilib.
8873 2016-01-15  Ilya Enkovich  <enkovich.gnu@gmail.com>
8875         * config/i386/i386.c (ix86_expand_branch): Don't split
8876         DI mode xor instruction to SI mode.
8878 2016-01-15  Jan Hubicka  <hubicka@ucw.cz>
8880         PR ipa/68148
8881         * ipa-icf.c (sem_function::merge): Virtual functions may become
8882         reachable even if they address is not taken and there are no
8883         idrect calls.
8885 2016-01-15  Jan Hubicka  <hubicka@ucw.cz>
8887         * lto-streamer-out.c (subtract_estimated_size): New function.
8888         (get_symbol_initial_value): Use it.
8890 2016-01-15  Christian Bruel  <christian.bruel@st.com>
8892         PR target/65837
8893         * config/arm/arm-builtins.c (ARM_BUILTIN_CRYPTO_BASE): New enum tag.
8894         (arm_init_neon_builtins_internal): Rename arm_init_neon_builtins,
8895         (arm_init_crypto_builtins_internal): Rename arm_init_crypto_builtins.
8896         use add_builtin_function_ext_scope instead of add_builtin_function.
8897         (neon_set_p, neon_crypto_set_p): Remove.
8898         (arm_init_builtins): Always call arm_init_neon_builtins and
8899         arm_init_crypto_builtins.
8900         (arm_expand_builtin): Check that builtins are allowed for the arch.
8901         * config/arm/arm-protos.h (arm_init_neon_builtins): Remove prototype.
8902         * config/arm/arm.c (arm_valid_target_attribute_tree): Remove
8903         arm_init_neon_builtins call.
8905 2016-01-15  Richard Biener  <rguenther@suse.de>
8907         PR tree-optimization/69117
8908         * tree-ssa-sccvn.h (struct vn_ssa_aux): Add info member.
8909         * tree-ssa-sccvn.c (set_ssa_val_to): Save and adjust SSA name info
8910         of the leader conservatively.
8911         (free_scc_vn): Restore original SSA name infos.
8913 2016-01-14  Jeff Law  <law@redhat.com>
8915         PR tree-optimization/69270
8916         * tree-ssa-dom.c (ssa_name_has_boolean_range): If the type has a
8917         single bit of precision, verify it's also unsigned.
8918         (record_edge_info): Use constant_boolean_node rather than fold_convert
8919         to convert boolean_true/boolean_false to the right type.
8921 2016-01-14  Richard Henderson  <rth@redhat.com>
8923         PR rtl-opt/69014
8924         * loop-doloop.c (record_reg_sets): New.
8925         (doloop_optimize): Reject the transform if the sequence
8926         clobbers registers live at the end of the loop block.
8927         (doloop_optimize_loops): Enable df_live if needed.
8929 2016-01-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
8931         * config/rs6000/rs6000-builtin.def: Revert 2016-01-13 change.
8932         * gcc/config/rs6000/rs6000.c: Likewise.
8933         * gcc/config/rs6000/rs6000.h: Likewise.
8934         * gcc/config/rs6000/rs6000.md: Likewise.
8935         * gcc/doc/extend.texi: Likewsie.
8937 2016-01-14  Jeff Law  <law@redhat.com>
8939         * tree-ssa-dom.c (ssa_name_has_boolean_range): Fix comment
8940         typo.
8942 2016-01-14  Richard Henderson  <rth@redhat.com>
8944         PR c/69272
8945         PR tree-opt/68964
8946         * trans-mem.c (tm_log_emit_stmt): Fix unit size to bit size.
8947         * tree.c (build_tm_vector_builtins): Use builtin_decl_explicit_p
8948         instead of builtin_decl_declared_p to test for declaration.
8950 2016-01-14  Nicklas Bo Jensen  <nbjensen@gmail.com>
8952         * doc/loop.texi (Loop Analysis and Representation): Document
8953         loop_depth function.
8955 2016-01-14  Tom de Vries  <tom@codesourcery.com>
8957         PR tree-optimization/68773
8958         * omp-low.c (expand_omp_target): Don't set force_output.
8959         * varpool.c (varpool_node::get_create): Same.
8960         * lto-cgraph.c (input_offload_tables): Mark entries in offload_vars and
8961         offload_funcs with force_output.
8963 2016-01-14  Jakub Jelinek  <jakub@redhat.com>
8965         PR debug/69244
8966         * lra-eliminations.c (move_plus_up): Don't change anything if either
8967         the outer or inner subreg mode is not MODE_INT.
8968         * dwarf2out.c (mem_loc_descriptor): For SUBREG, if outer mode is
8969         integral <= DWARF2_ADDR_SIZE, convert to untyped afterwards.
8971 2016-01-14  Alan Lawrence  <alan.lawrence@arm.com>
8973         * doc/md.texi (reduc_smin_@var{m}, reduc_smax_@var{m},
8974         reduc_umin_@var{m}, reduc_umax_@var{m}, reduc_splus_@var{m},
8975         reduc_uplus_@var{m}): Remove.
8976         * expr.c (expand_expr_real_2): Remove expansion path for
8977         reduc_[us](min|max|plus) optabs.
8978         * optabs-tree.c (scalar_reduc_to_vector): Remove.
8979         * optabs-tree.h (scalar_reduc_to_vector): Remove.
8980         * optabs.def (reduc_smax_optab, reduc_smin_optab, reduc_splus_optab,
8981         reduc_umax_optab, reduc_umin_optab, reduc_uplus_optab): Remove.
8982         * tree-vect-loop.c (vectorizable_reduction): Remove test for
8983         reduc_[us](min|max|plus) optabs.
8985 2016-01-14  Alan Lawrence  <alan.lawrence@arm.com>
8987         * config/mips/mips-ps-3d.md (reduc_splus_v2sf): Remove.
8988         (reduc_plus_scal_v2sf): New.
8989         (reduc_smax_v2sf): Rename to...
8990         (reduc_smax_scal_v2sf): ...here, make result SFmode, add vec_extract.
8991         (reduc_smin_v2sf): Rename to...
8992         (reduc_smin_scal_v2sf): ...here, make result SFmode, add vec_extract.
8994 2016-01-14  Jan Hubicka  <hubicka@ucw.cz>
8996         * alias.c (compare_base_symbol_refs): New function.
8997         (rtx_equal_for_memref_p, base_alias_check, memrefs_conflict_p): Use
8998         it.
9000 2016-01-14  Jakub Jelinek  <jakub@redhat.com>
9002         PR middle-end/68146
9003         PR tree-optimization/69155
9004         * tree-complex.c: Include cfganal.h.
9005         (phis_to_revisit): New variable.
9006         (extract_component): Add phiarg_p argument.  Assert that returned
9007         SSA_NAME has non-NULL SSA_NAME_DEF_STMT unless phiarg_p is true.
9008         (update_phi_components): Partly rewrite to use loop over real/imag
9009         components instead of code duplication.  If extract_component returns
9010         SSA_NAME with NULL SSA_NAME_DEF_STMT, store SSA_NAME_VAR or
9011         create_tmp_reg into the PHI node instead, and mention the phi triplet
9012         in phis_to_revisit.
9013         (tree_lower_complex): Walk bbs in rpo order.  Adjust phis recorded
9014         in phis_to_revisit at the end.
9016 2016-01-14  Richard Biener  <rguenther@suse.de>
9018         PR tree-optimization/68060
9019         * tree-vect-loop.c (vect_is_simple_reduction): Check the
9020         outer loop reduction is only used in the inner loop before
9021         detecting a double reduction.
9023 2016-01-14  Jakub Jelinek  <jakub@redhat.com>
9025         PR target/68269
9026         * combine.c (expand_field_assignment): Punt if compute_mode is
9027         unsupported scalar mode.
9029 2016-01-14  Richard Biener  <rguenther@suse.de>
9031         PR tree-optimization/66856
9032         * tree-vect-slp.c (vect_build_slp_tree): Refactor to build
9033         SLP node only if it built successfully.
9034         (vect_analyze_slp_instance): Adjust.
9036 2016-01-14  Jeff Law  <law@redhat.com>
9038         PR tree-optimization/69270
9039         * tree-ssa-dom.c (ssa_name_has_boolean_range): New function.
9040         (record_edge_info): Use it.  Convert boolean_{true,false}_node
9041         to the type of op0.
9043 2016-01-13  Jan Hubicka  <hubicka@ucw.cz>
9045         PR ipa/66487
9046         * ipa-polymorphic-call.c (inlined_polymorphic_ctor_dtor_block_p):
9047         use block_ultimate_origin
9048         (noncall-stmt_may_be_vtbl_ptr_store): Likewise.
9050 2016-01-13  Sandra Loosemore  <sandra@codesourcery.com>
9052         * doc/invoke.texi (Submodel Options): Rename section to
9053         "Machine-Dependent Options" to better reflect its content.
9054         Rewrite introductory text to remove archaic CPU names.
9055         Update references.
9057 2016-01-13  Sandra Loosemore  <sandra@codesourcery.com>
9059         * doc/invoke.texi (Code Gen Options): Move section up in file,
9060         before target-specific options.  Update menu and option summary
9061         to reflect the new section ordering.
9063 2016-01-13  Jonathan Wakely  <jwakely@redhat.com>
9065         * doc/invoke.texi (C Dialect Options): Adjust -std default for C++.
9066         (C++ Dialect Options): Add cross-reference to -std option.
9067         * doc/standards.texi (C++ Language): Document C++14 support.
9069 2016-01-13  Michael Meissner  <meissner@linux.vnet.ibm.com>
9071         * config/rs6000/rs6000-builtin.def (BU_FLOAT128_2): Add support
9072         for pack/unpack functions for __ibm128.
9073         (PACK_IF): Likewise.
9074         (UNPACK_IF): Likewise.
9076         * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Add
9077         support for __ibm128 pack/unpack functions.
9078         (rs6000_invalid_builtin): Likewise.
9079         (rs6000_init_builtins): Likewise.
9080         (rs6000_opt_masks): Likewise.
9082         * config/rs6000/rs6000.h (MASK_FLOAT128): Add short name.
9083         (RS6000_BTM_FLOAT128): Add support for __ibm128 pack/unpack
9084         functions
9085         (RS6000_BTM_COMMON): Likewise.
9087         * config/rs6000/rs6000.md (f128_vsx): New mode attribute.
9088         (unpack<mode>): Use FMOVE128_FPR iterator instead of FMOVE128, to
9089         disallow __builtin_{pack,unpack}_longdouble if long double is IEEE
9090         128-bit floating point.  Add support for the double values to be
9091         in Altivec registers for TF/IF packing and unpacking, but restrict
9092         TD packing sub-fields to be FPR registers.  Don't allow overlapped
9093         register support for packing.  Allow pack inputs to be memory
9094         locations.  Don't build generator functions for unpack<mode>_dm
9095         and unpack<mode>_nodm.
9096         (unpack<mode>_dm): Likewise.
9097         (unpack<mode>_nodm): Likewise.
9098         (pack<mode>): Likewise.
9100         * config/rs6000/rs6000-builtin.def (__builtin_pack_ibm128): Add
9101         built-in functions to pack/unpack explicit __ibm128 values.
9102         (__builtin_unpack_ibm128): Likewise.
9104         * doc/extend.texi (PowerPC Built-in Functions): Document
9105         __builtin_pack_ibm128 and __builtin_unpack_ibm128.
9107 2016-01-13  Bernd Schmidt  <bschmidt@redhat.com>
9109         PR c/66208
9110         * c-common.c (check_function_nonnull): Remove unnecessary declaration.
9111         Add new arg loc and pass it down as context.
9112         (check_nonnull_arg): Don't mark ctx arg as unused. Use it as a pointer
9113         to the location to use for the warning.
9114         (check_function_arguments): New arg loc.  All callers changed.  Pass
9115         it to check_function_nonnull.
9116         * c-common.h (check_function_arguments): Adjust declaration.
9118 2016-01-13  Jakub Jelinek  <jakub@redhat.com>
9120         PR tree-optimization/69156
9121         * gimple.c (validate_type): Removed.
9122         (gimple_builtin_call_types_compatible_p): Use
9123         useless_type_conversion_p instead of validate_type.
9124         * value-prof.c (gimple_stringop_fixed_value): Fold
9125         icall_size to correct type.
9127 2016-01-13  Jonathan Wakely  <jwakely@redhat.com>
9129         * doc/extend.texi (__atomic Builtins): Clarify compare_exchange
9130         effects.
9132 2016-01-13  Richard Henderson  <rth@redhat.com>
9134         PR tree-opt/68964
9135         * target.def (builtin_tm_load, builtin_tm_store): Remove.
9136         * config/i386/i386.c (ix86_builtin_tm_load): Remove.
9137         (ix86_builtin_tm_store): Remove.
9138         (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
9139         (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
9140         * doc/tm.texi.in (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
9141         (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
9142         * doc/tm.texi: Rebuild.
9144         * gtm-builtins.def (BUILT_IN_TM_MEMCPY_RNWT): New.
9145         (BUILT_IN_TM_MEMCPY_RTWN): New.
9146         * trans-mem.c (tm_log_emit_stmt): Rearrange code for better
9147         fallback from vector to integer helpers.
9148         (build_tm_load): Handle vector types directly, instead of
9149         via target hook.
9150         (build_tm_store): Likewise.
9151         (expand_assign_tm): Prepare for register types not handled by
9152         the above.  Copy them to memory and use memcpy.
9153         * tree.c (tm_define_builtin): New.
9154         (find_tm_vector_type): New.
9155         (build_tm_vector_builtins): New.
9156         (build_common_builtin_nodes): Call it.
9158 2016-01-13  Uros Bizjak  <ubizjak@gmail.com>
9160         * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Return -1 for
9161         TARGET_SSE_MATH without TARGET_SSE2.  Rewrite.
9163 2016-01-13  Tom de Vries  <tom@codesourcery.com>
9165         PR tree-optimization/69169
9166         * tree-ssa-structalias.c (create_variable_info_for_1): Add and handle
9167         handled_struct_type param.
9168         (create_variable_info_for, intra_create_variable_infos): Call
9169         create_variable_info_for_1 with extra arg.
9171 2016-01-13  Yvan Roux  <yvan.roux@linaro.org>
9173         * config/arm/arm-arches.def: Remove spurious whitespace in "armv8.1-a"
9174         and "armv8.1-a+crc" entries.
9176 2016-01-13  Alexander Fomin  <alexander.fomin@intel.com>
9178         PR target/69228
9179         * config/i386/sse.md (define_expand "avx512pf_gatherpf<mode>sf"):
9180         Change first operand predicate from register_or_constm1_operand
9181         to register_operand.
9182         (define_expand "avx512pf_gatherpf<mode>df"): Likewise.
9183         (define_expand "avx512pf_scatterpf<mode>sf"): Likewise.
9184         (define_expand "avx512pf_scatterpf<mode>df"): Likewise.
9185         (define_insn "*avx512pf_gatherpf<mode>sf"): Remove.
9186         (define_insn "*avx512pf_gatherpf<mode>df"): Likewise.
9187         (define_insn "*avx512pf_scatterpf<mode>sf"): Likewise.
9188         (define_insn "*avx512pf_scatterpf<mode>df"): Likewise.
9189         * config/i386/i386.c (ix86_expand_builtin): Remove first operand
9190         comparison with constm1_rtx from vec_prefetch_gen part.
9192 2016-01-13  Richard Biener  <rguenther@suse.de>
9194         PR tree-optimization/69013
9195         * tree-ssa-uninit.c (prune_uninit_phi_opnds_in_unrealizable_paths):
9196         Exchange assert for a test.
9198 2016-01-13  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
9200         PR target/69247
9201         * config/s390/s390.md (bswaphi splitter): Use simplify_gen_subreg.
9203 2016-01-13  Richard Biener  <rguenther@suse.de>
9205         PR tree-optimization/69242
9206         * tree-ssa-sccvn.c (visit_reference_op_load): Replace bogus
9207         assert with a check.
9209 2016-01-13  Richard Biener  <rguenther@suse.de>
9211         PR tree-optimization/69186
9212         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
9213         Properly guard vect_update_misalignment_for_peel call.
9215 2016-01-12  Jeff Law  <law@redhat.com>
9217         PR tree-optimization/pr67755
9218         * tree-ssa-threadupdate.c (struct ssa_local_info_t): Add new field
9219         "need_profile_correction".
9220         (thread_block_1): Initialize new field to false by default.  If we
9221         have multiple thread paths through a common joiner to different
9222         final targets, then set new field to true.
9223         (compute_path_counts): Only do count adjustment when it's really
9224         needed.
9226 2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>
9228         * doc/invoke.texi (Spec Files): Move section down in file, past
9229         all command-line option descriptions.
9231 2016-01-12  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
9233         PR middle-end/54809
9234         * doc/gty.texi: Remove documentation of mark_hook.
9235         * gengtype.c (struct write_types_data): Remove code to support
9236         mark_hook attribute.
9237         (walk_type): Likewise.
9238         (write_func_for_structure): Likewise.
9240 2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>
9242         * doc/invoke.texi (Option Summary) Move -no-canonical-prefixes to
9243         Directory Options, and -specs= to Overall Options.
9244         (Overall Options): Adjust similarly.  Reorder to group related
9245         options together.  Make -specs= cross-reference the spec file details.
9246         (Directory Options): Adjust similarly.
9248 2016-01-12  Jeff Law  <law@redhat.com>
9250         * tree-ssa-threadupdate.c: Various whitespace and typo fixes.
9252 2016-01-12  Olivier Hainque  <hainque@adacore.com>
9254         * gcc.c (spec_undefvar_allowed): New global.
9255         (process_command): Set to true when running for --version or --help,
9256         alone or together.
9257         (getenv_spec_function): When the variable is not defined, use the
9258         variable name as the variable value if we're allowed not to issue
9259         a fatal error.
9261 2016-01-12  Bin Cheng  <bin.cheng@arm.com>
9263         PR tree-optimization/68911
9264         * tree-vrp.c (adjust_range_with_scev): Check overflow in range
9265         information computed for expression "init + nit * step".
9267 2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>
9269         * doc/invoke.texi (Invoking GCC): Copy-edit.  Incorporate information
9270         about name of GCC executable.  Remove deleted node from menu.
9271         (Directory Options) <-B>: Remove cross-reference to deleted node.
9272         (Target Options): Delete section.
9274 2016-01-12  Christian Bruel  <christian.bruel@st.com>
9276         PR target/69180
9277         * config/arm/arm-c.c (arm_pragma_target_parse): Set NODE_CONDITIONAL
9278         for __ARM_NEON_FP, __ARM_FP, _ARM_FEATURE_LDREX.
9280 2016-01-12  Jakub Jelinek  <jakub@redhat.com>
9282         PR target/69198
9283         * config/i386/i386.c (ix86_expand_special_args_builtin): Ensure
9284         aligned_mem is properly set for AVX512-VL floating point masked
9285         stores.
9287         PR target/69175
9288         * ifcvt.c (cond_exec_process_if_block): When removing the last
9289         insn from then_bb, remove also any possible barriers that follow it.
9291 2016-01-12  H.J. Lu  <hongjiu.lu@intel.com>
9293         PR target/68456
9294         PR target/69226
9295         * config/i386/iamcu.h (SIZE_TYPE): New macro.
9296         (PTRDIFF_TYPE): Likewise.
9297         (WCHAR_TYPE): Likewise.
9298         (WCHAR_TYPE_SIZE): Likewise.
9299         (STDINT_LONG32): Likewise.
9301 2016-01-12  Richard Biener  <rguenther@suse.de>
9303         PR tree-optimization/69053
9304         * tree-vect-loop.c (get_initial_def_for_reduction): Properly
9305         convert initial value for cond reductions.
9307 2016-01-12  Richard Biener  <rguenther@suse.de>
9309         PR tree-optimization/69007
9310         * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Move
9311         widen_sum after dot_prod and sad.
9313 2016-01-12  Richard Biener  <rguenther@suse.de>
9315         PR tree-optimization/69168
9316         * tree-vect-loop.c (vect_analyze_loop_2): Reset both main and
9317         pattern stmt SLP type.
9318         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Patterns may
9319         end up unused so cope with that case.
9321 2016-01-12  Richard Biener  <rguenther@suse.de>
9323         PR tree-optimization/69157
9324         * tree-vect-stmts.c (vectorizable_mask_load_store): Check
9325         stmts def type only during analyze phase.
9326         (vectorizable_call): Likewise.
9327         (vectorizable_simd_clone_call): Likewise.
9328         (vectorizable_conversion): Likewise.
9329         (vectorizable_assignment): Likewise.
9330         (vectorizable_shift): Likewise.
9331         (vectorizable_operation): Likewise.
9332         (vectorizable_store): Likewise.
9333         (vectorizable_load): Likewise.
9335 2016-01-12  Richard Biener  <rguenther@suse.de>
9337         PR tree-optimization/69174
9338         * tree-vect-stmts.c (vect_mark_relevant): Remove excessive vertical
9339         space.
9340         (vectorizable_load): Properly compute the number of loads needed
9341         for permuted strided SLP loads and do not spuriously assign
9342         to SLP_TREE_VEC_STMTS.
9344 2016-01-12  Andris Pavenis  <andris.pavenis@iki.fi>
9346         * config/i386/djgpp.h (PREFERRED_DEBUGGING_TYPE): Define to DWARF2
9347         (TARGET_ASM_OUTPUT_IDENT): Define to default_asm_output_ident_directive
9348         (MD_EXEC_PREFIX): Remove.
9349         (MD_STARTFILE_PREFIX) Removee.
9350         (FILE_NAME_ABSOLUTE_P): Remove.
9351         (CPP_SPEC): Do not read macros from sys/version.h.
9352         (LINK_COMMAND_SPEC): Remove.
9353         (LOCAL_INCLUDE_DIR): Remove.
9354         (TARGET_ASM_NAMED_SECTION): Define to i386_djgpp_asm_named_section
9355         (TARGET_OS_CPP_BUILTINS): Add DJGPP (non ISO only), __DJGPP, __DJGPP__, unix.
9356         (POST_LINK_SPEC): Define to invoke stubify after linker
9357         (LIBSTDCXX): Remove define
9358         (DBX_REGISTER_NUMBER): Define to svr4_dbx_register_map.
9359         (DEFAULT_PCC_STRUCT_RETURN): Define to 1.
9360         (SUBTARGET_OVERRIDE_OPTIONS): Remove warning about -mbnu2210.
9361         (SUBTARGET_OVERRIDE_OPTIONS): Ignore -fPIC and generate message.
9362         (SUBTARGET_OVERRIDE_OPTIONS): Default to DWARF2 debugging info.
9363         (IX86_MAYBE_NO_LIBGCC_TFMODE): Remove.
9364         (i386_djgpp_asm_named_section): Add propotype of new procedure
9366         * config/i386/xm-djgpp.h (NATIVE_SYSTEM_HEADER_DIR): Define.
9367         (MD_EXEC_PREFIX): Define (moved from config/i386/djgpp.h).
9368         (STANDARD_STARTFILE_PREFIX_1): Define (moved from MD_STARTFILE_PREFIX
9369         in config/i386/djgpp.h).
9370         (STANDARD_STARTFILE_PREFIX_2): Define identical to
9371         STANDARD_STARTFILE_PREFIX_1.
9372         (LOCAL_INCLUDE_DIR): Define (moved from config/i386/djgpp.h).
9373         (GCC_DRIVER_HOST_INITIALIZATION): Fix reporting fatal
9374         installation errors.
9375         (MAX_OFILE_ALIGNMENT): Define to 128.
9376         (HAVE_FTW_H): Undefine as DJGPP do not have nftw, but have ftw.h.
9378         * config/i386/djgpp.c: New file. Add implementation of
9379         i386_djgpp_asm_named_section.
9381         * config/i386/djgpp.opt: Remove obsolete option -mbnu210.
9383         * config/i386/t-djgpp: New file. Add djgpp.o to EXTRA_OBJS.
9384         Add rule for building djgpp.o.
9386 2016-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
9388         * config/rs6000/rs6000.c (v2df_reduction_p): New function.
9389         (rtx_is_swappable_p): Reductions are swappable.
9390         (insn_is_swappable_p): V2DF reductions are swappable.
9392 2016-01-11  John David Anglin  <danglin@gcc.gnu.org>
9394         * config/pa/pa.c (pa_emit_move_sequence): Handle floating point
9395         reloads for other unsupported memory operands.
9397 2016-01-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
9398             Jim Wilson  <jim.wilson@linaro.org>
9400         PR target/69194
9401         * config/arm/arm-builtins.c (arm_expand_neon_args): Call
9402         copy_to_mode_reg instead of force_reg.
9404 2016-01-11  H.J. Lu  <hongjiu.lu@intel.com>
9406         PR target/69225
9407         * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Set to 2 only if
9408         TARGET_80387 is true.
9410 2016-01-11  Jakub Jelinek  <jakub@redhat.com>
9412         PR target/69071
9413         * lra-eliminations.c (move_plus_up): Only move plus up
9414         if subreg of the constant can be simplified into constant
9415         and use the simplified subreg of the constant instead of
9416         the original constant.
9418         * fold-const.c (fold_convertible_p): Don't return true
9419         for conversion of VECTOR_TYPE to same sized integral type.
9420         (fold_convert_loc): Fix up formatting.  Fold conversion of
9421         VECTOR_TYPE to same sized integral type using VIEW_CONVERT_EXPR
9422         instead of NOP_EXPR.
9424         PR tree-optimization/69214
9425         * tree-vrp.c (simplify_cond_using_ranges): Don't propagate
9426         innerop into a comparison if SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
9427         Formatting fix.
9429         PR tree-optimization/69207
9430         * tree-vect-slp.c (vect_get_constant_vectors): For
9431         VECTOR_BOOLEAN_TYPE_P, assert op has integral type instead of
9432         fold_convertible_p to vector_type's element type, and always
9433         use VCE for non-VECTOR_BOOLEAN_TYPE_P.
9435 2016-01-11  Richard Biener  <rguenther@suse.de>
9437         PR tree-optimization/69173
9438         * tree-vect-loop.c (vect_fixup_scalar_cycles_with_patterns): Only
9439         fixup the cycle if all stmts are in a pattern.
9441 2016-01-11  Uros Bizjak  <ubizjak@gmail.com>
9443         PR middle-end/68999
9444         * alias.c (base_alias_check): Move check for addresses with
9445         alignment ANDs before the call for compare_base_decls.
9446         (memrefs_conflict_p): Return -1 for different decls
9447         that went through alignment adjustments.
9449 2016-01-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9451         PR rtl-optimization/68796
9452         * config/aarch64/aarch64.md (*and<mode>_compare0): New pattern.
9453         * config/aarch64/aarch64.c (aarch64_select_cc_mode): Handle HImode
9454         and QImode comparisons against zero with CC_NZmode.
9455         * config/aarch64/iterators.md (short_mask): New mode_attr.
9457 2016-01-11  H.J. Lu  <hongjiu.lu@intel.com>
9459         * config/i386/sse.md (<avx512>_load<mode>_mask): Remove snprintf.
9460         (<avx512>_store<mode>_mask): Likewise.
9462 2016-01-11  Bernd Schmidt  <bschmidt@redhat.com>
9463             Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9465         PR rtl-optimization/68841
9466         * ifcvt.c (struct noce_if_info): Add orig_x field.
9467         (bbs_ok_for_cmove_arith): Add to_rename parameter.
9468         Don't record conflicts on to_rename if it's present.
9469         Allow memory destinations in sets.
9470         (noce_try_cmove_arith): Call bbs_ok_for_cmove_arith even on simple
9471         blocks, passing orig_x to the checks.
9472         (noce_process_if_block): Set if_info->orig_x appropriately.
9474 2016-01-11  Tom de Vries  <tom@codesourcery.com>
9476         PR tree-optimization/69069
9477         * tree-parloops.c (create_parallel_loop): Add missing phi args.
9479 2016-01-11  Yuri Rumyantsev  <ysrumyan@gmail.com>
9481         PR rtl-optimization/68920
9482         * config/i386/i386.c (ix86_option_override_internal): Restrict number
9483         of conditional moves for  RTL if-conversion to 1 for
9484         TARGET_ONE_IF_CONV_INSN.
9485         * config/i386/i386.h (TARGET_ONE_IF_CONV_INSN): New macros.
9486         * config/i386/x86-tune.def (X86_TUNE_ONE_IF_CONV_INSN): New macros.
9487         * params.def (PARAM_MAX_RTL_IF_CONVERSION_INSNS) : Introduce new
9488         parameter to restirct number of conditional moves for
9489         RTL if-conversion.
9490         * doc/invoke.texi (max-rtl-if-conversion-insns): Document it.
9491         * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Limit number of
9492         conditionl moves.
9494 2016-01-11  Alexandre Oliva  <aoliva@redhat.com>
9496         PR bootstrap/69123
9497         * var-tracking.c (drop_overlapping_mem_locs): Operate on all
9498         onepart vars.  Fix typo in comment.  Fix reversed condition in
9499         unshare test.
9500         (dataflow_set_remove_mem_locs): Operate on all onepart vars.
9502         PR bootstrap/69123
9503         * var-tracking.c (dump_onepart_variable_differences): New.
9504         (dataflow_set_different): If a detailed dump is requested,
9505         delay early returns and dump differences between onepart
9506         variables present before and after, and added variables.
9508 2016-01-11  Ilya Enkovich  <enkovich.gnu@gmail.com>
9510         PR target/69010
9511         * expr.c (expand_expr_real_1): For boolean vector constants
9512         with a scalar mode use const_scalar_mask_from_tree.
9513         (const_scalar_mask_from_tree): New.
9514         * optabs.c (expand_vec_cond_mask_expr): Use mask mode
9515         assigned to a mask type to handle constants.
9517 2016-01-11  Martin Jambor  <mjambor@suse.cz>
9519         PR ipa/69044
9520         * ipa-cp.c (estimate_local_effects): Do not clone for removal of
9521         useless parameters if we cannot change function signature.
9523 2016-01-11  Martin Jambor  <mjambor@suse.cz>
9525         PR ipa/66616
9526         * cgraphclones.c (duplicate_thunk_for_node): Copy can_change_signature
9527         flag.
9529 2016-01-11  Tom de Vries  <tom@codesourcery.com>
9531         PR tree-optimization/69109
9532         * tree-parloops.c (try_transform_to_exit_first_loop_alt): Don't allow
9533         latch with phi.
9535 2016-01-11  Tom de Vries  <tom@codesourcery.com>
9537         PR tree-optimization/69108
9538         * tree-parloops.c (gather_scalar_reductions): Handle case that outer phi
9539         res is not used in a phi.
9541 2016-01-11  Yury Gribov  <y.gribov@samsung.com>
9543         PR 67425
9544         * common.opt (frandom-seed): Fix parameter name.
9545         * doc/invoke.texi (frandom-seed): Ditto and describe parameter.
9547 2016-01-11  Tom de Vries  <tom@codesourcery.com>
9549         PR tree-optimization/69058
9550         * tree-parloops.c (pass_parallelize_loops::execute): Return 0 if libgomp
9551         not supported.
9553 2016-01-11  Andrew Burgess  <andrew.burgess@embecosm.com>
9555         * config/arc/arc.opt (mdiv-rem): Add period to the end.
9556         (mcode-density): Likewise.
9558 2016-01-10  Tom de Vries  <tom@codesourcery.com>
9560         PR tree-optimization/69062
9561         * tree-parloops.c (loop_has_phi_with_address_arg): New function.
9562         (parallelize_loops): Don't paralelize loop that has phi with address
9563         arg.
9565 2016-01-10  Tom de Vries  <tom@codesourcery.com>
9567         PR tree-optimization/69039
9568         * tree-parloops.c (try_create_reduction_list): Only allow single exit
9569         phi for reduction.
9571 2016-01-09  John David Anglin  <danglin@gcc.gnu.org>
9573         PR middle-end/68743
9574         * match.pd: Require target has function_c99_misc before doing
9575         truncl(extend(x)) and trunc(extend(x)) -> extend(truncf(x)), etc.
9577 2016-01-09  Gerald Pfeifer  <gerald@pfeifer.com>
9579         * configure.ac (isl_options_set_schedule_serialize_sccs): Also
9580         use GMPINC.
9581         * configure: Regenerate.
9583 2016-01-09  Jakub Jelinek  <jakub@redhat.com>
9585         PR middle-end/50865
9586         PR tree-optimization/69097
9587         * fold-const.h (expr_not_equal_to): New prototype.
9588         * fold-const.c: Include stringpool.h and tree-ssanames.h.
9589         (expr_not_equal_to): New function.
9590         * match.pd (X % -Y is the same as X % Y): Don't optimize
9591         unless X is known not to be equal to minimum or Y is known
9592         not to be equal to -1.
9593         * tree-vrp.c (simplify_div_or_mod_using_ranges): Add GSI argument.
9594         fold TRUNC_MOD_EXPR if the second argument is not a power of two.
9595         (simplify_stmt_using_ranges): Adjust caller.
9596         (vrp_finalize): Call set_value_range on SSA_NAMEs before calling
9597         substitute_and_fold.
9599 2016-01-09  Jan Hubicka  <hubicka@ucw.cz>
9601         * ipa-icf.c (sem_item_optimizer::merge_classes): Do not ICE on VAR_DECL
9602         w/o DECL_NAME.
9604 2016-01-08  Jakub Jelinek  <jakub@redhat.com>
9606         PR tree-optimization/69167
9607         * gimple-fold.c (replace_stmt_with_simplification): Also punt if
9608         new SSA_NAME_OCCURS_IN_ABNORMAL_PHI SSA_NAMEs appear in operands of
9609         ops[0] comparison.
9610         * gimple-match-head.c (maybe_push_res_to_seq): Likewise.
9612 2016-01-08  Alan Lawrence  <alan.lawrence@arm.com>
9613             Richard Biener  <rguenther@suse.de>
9615         PR tree-optimization/68707
9616         * tree-vect-slp.c (vect_analyze_slp_instance): Cancel permuted SLP
9617         instances that can be handled via vect_load_lanes.
9619 2016-01-08  Uros Bizjak  <ubizjak@gmail.com>
9621         * symtab.c (symtab_node::equal_address_to): Return -1 instead of 2
9622         if we can't determine address equivalence.
9623         * alias.c (compare_base_decl): Update for changed return value of
9624         symtab_node::equal_address_to.
9626 2016-01-08  Jason Merrill  <jason@redhat.com>
9628         PR c++/68983
9629         PR c++/67557
9630         * function.c (assign_temp): Guard against TREE_ADDRESSABLE types here.
9631         * expr.c (store_field): Not here.
9632         * tree-cfgcleanup.c (fixup_noreturn_call): Don't clear LHS of a
9633         call with TREE_ADDRESSABLE type.
9634         * tree-cfg.c (verify_gimple_call): Adjust.
9636 2016-01-08  Olivier Hainque  <hainque@adacore.com>
9638         * config/vxworks.h (VXWORKS_LIBGCC_SPEC): Don't link shared RTPs with
9639         libc_internal.
9641 2016-01-08  Alan Lawrence  <alan.lawrence@arm.com>
9643         * gcc.target/rs6000/paired.md (reduc_smax_v2sf): Rename to...
9644         (reduc_smax_scal_v2sf): ...here, make result SFmode, extract element.
9645         (reduc_smin_v2sf): Rename to...
9646         (reduc_smin_scal_v2sf): ...here, make result SFmode, extract element.
9647         (reduc_splus_v2sf): Rename to...
9648         (reduc_plus_scal_v2sf): ...here, make result SFmode, extract element.
9650 2016-01-08  Jakub Jelinek  <jakub@redhat.com>
9652         PR tree-optimization/69162
9653         * gimplify.c (gimplify_va_arg_expr): Encode original type of
9654         valist argument in another argument.
9655         (gimplify_modify_expr): Adjust for the above change.  Cleanup.
9656         * tree-stdarg.c (expand_ifn_va_arg_1): Use new 3rd argument
9657         to determine the va_list type, build a MEM_REF instead of
9658         build_fold_indirect_ref.
9660         PR tree-optimization/69172
9661         * gimple-fold.c (gimple_fold_builtin_memory_chk): Pass type to
9662         gimple_build.
9664 2016-01-08  Thomas Preud'homme  <thomas.preudhomme@arm.com>
9666         PR tree-optimization/67781
9667         * tree-ssa-math-opts.c (find_bswap_or_nop): Zero out bytes in cmpxchg
9668         and cmpnop in two steps: first the ones not accessed in original
9669         gimple expression in a endian independent way and then the ones not
9670         accessed in the final result in an endian-specific way.
9672 2016-01-08  Jakub Jelinek  <jakub@redhat.com>
9674         PR tree-optimization/69083
9675         * tree-vect-slp.c (vect_get_constant_vectors): For
9676         VECTOR_BOOLEAN_TYPE_P assert op is fold_convertible_p to vector_type's
9677         element type.  If op is fold_convertible_p to vector_type's element
9678         type, use NOP_EXPR instead of VCE.
9680 2016-01-08  Segher Boessenkool  <segher@kernel.crashing.org>
9682         PR rtl-optimization/67778
9683         PR rtl-optimization/68634
9684         PR rtl-optimization/68909
9685         * shrink-wrap.c (try_shrink_wrapping): Add comment.  Don't pop
9686         block from the stack until done with it.  Remove a superfluous
9687         bitmap set.  Remove a superfluous bitmap test.
9689 2016-01-07  Martin Sebor  <msebor@redhat.com>
9691         PR c/68966
9692         * doc/extend.texi (__atomic Builtins, __sync Builtins): Document
9693         constraint on the type of arguments.
9695 2016-01-07  Andreas Tobler  <andreast@gcc.gnu.org>
9697         * config/arm/freebsd.h: Rename SUBTARGET_OVERRIDE_OPTIONS to
9698         SUBTARGET_OVERRIDE_INTERNAL_OPTIONS. Adjust to check
9699         unaligned_access on the gcc_options set.
9700         * config/arm/arm.c (arm_option_override_internal): Use
9701         SUBTARGET_OVERRIDE_INTERNAL_OPTIONS.
9703 2016-01-07  Uros Bizjak  <ubizjak@gmail.com>
9705         PR target/69140
9706         * config/i386/i386.c (ix86_frame_pointer_required): Enable
9707         frame pointer for TARGET_64BIT_MS_ABI when stack is misaligned.
9709 2016-01-07  Uros Bizjak  <ubizjak@gmail.com>
9711         Revert
9712         2016-01-06  Uros Bizjak  <ubizjak@gmail.com>
9714         PR target/69140
9715         * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
9716         depending on frame_pointer_needed before remaining integer and SSE
9717         registers are saved.
9719 2016-01-07  Sandra Loosemore  <sandra@codesourcery.com>
9721         PR 1078
9722         * doc/extend.texi (Nvidia PDX Function Attributes): New section.
9724 2016-01-07  H.J. Lu  <hongjiu.lu@intel.com>
9726         PR target/69171
9727         * config/i386/sse.md (<sse>_sqrt<mode>2<mask_name><round_name>):
9728         Use the "xBm" constraint.
9729         (float<sseintvecmodelower><mode>2<mask_name><round_name):
9730         Likewise.
9731         (sse_cvtsi2ss<round_name>): Use round_nimm_scalar_predicate.
9732         (sse_cvtsi2ssq<round_name>): Likewise.
9733         (sse_cvtss2si<round_name>): Likewise.
9734         (sse_cvtss2siq<round_name>): Likewise.
9735         (sse2_cvtsi2sdq<round_name>): Likewise.
9736         (sse2_cvtsd2si<round_name>): Likewise.
9737         (sse2_cvtsd2siq<round_name>): Likewise.
9738         * config/i386/subst.md (round_nimm_scalar_predicate): New
9739         predicate.
9741 2015-12-15  Bernd Schmidt  <bschmidt@redhat.com>
9743         PR middle-end/67639
9744         * varasm.c (make_decl_rtl): Mark invalid register vars as
9745         DECL_EXTERNAL.
9747         PR rtl-optimization/66206
9748         * bt-load.c (find_btr_use): Change first arg to be a pointer to an rtx.
9749         All callers changed.
9751 2016-01-07  Jakub Jelinek  <jakub@redhat.com>
9753         PR tree-optimization/69141
9754         * tree-ssa-pre.c: Include langhooks.h.
9755         (eliminate_dom_walker::before_dom_children): Use
9756         lang_hooks.decl_printable_name instead of
9757         cgraph_node::get ()->name ().
9759         PR middle-end/68960
9760         * gimple-expr.c (copy_var_decl): If var has DECL_USER_ALIGN set, copy
9761         it and DECL_ALIGN too.
9763 2016-01-06  Robert Suchanek  <robert.suchanek@imgtec.com>
9765         * config/mips/mips-ftypes.def: Sort to lexicographical order.
9767 2016-01-06  Uros Bizjak  <ubizjak@gmail.com>
9769         PR target/69140
9770         * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
9771         depending on frame_pointer_needed before remaining integer and SSE
9772         registers are saved.
9774 2015-01-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
9776         * config/rs6000/vsx.md (*p9_vecload_<mode>): Replace VSX_M
9777         mode iterator with VSX_M2.
9778         (*p9_vecstore_<mode>): Likewise.
9779         (*vsx_le_permute_<mode>): Restrict to !TARGET_P9_VECTOR.
9780         (*vsx_le_perm_load_<mode> for VSX_LE_128): Likewise.
9781         (*vsx_le_perm_store_<mode> for VSX_LE_128): Likewise.
9782         (define_split for VSX_LE128 stores): Likewise.
9783         (define_peephole2 for TImode LE swaps): Likewise.
9784         (define_split for VSX_LE128 post-reload stores): Likewise.
9786 2016-01-06  Marek Polacek  <polacek@redhat.com>
9788         PR sanitizer/69099
9789         * convert.c (convert_to_integer_1): Adjust call to
9790         ubsan_instrument_float_cast.  Use NULL_TREE instead of NULL.
9791         * ubsan.c (ubsan_instrument_float_cast): Drop the ARG parameter.  Use
9792         EXPR instead of ARG.
9793         * ubsan.h (ubsan_instrument_float_cast): Adjust declaration.
9795 2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>
9797         PR 1078
9798         * doc/extend.texi (RL78 Variable Attributes): New section.
9800 2016-01-05  Marek Polacek  <polacek@redhat.com>
9802         PR c/69104
9803         * builtins.c (get_memmodel): Use expansion point location rather than
9804         the input location.  Call warning_at rather than warning.
9805         (expand_builtin_atomic_compare_exchange): Likewise.
9806         (expand_builtin_atomic_load): Likewise.
9807         (expand_builtin_atomic_store): Likewise.
9808         (expand_builtin_atomic_clear): Likewise.
9810 2016-01-05  H.J. Lu  <hongjiu.lu@intel.com>
9812         PR target/68991
9813         * config/i386/i386.c (ix86_expand_vector_logical_operator):
9814         Replace nonimmediate_operand with vector_operand.
9815         * config/i386/predicates.md (vector_operand): New predicate.
9816         (general_vector_operand): Replace nonimmediate_operand with
9817         vector_operand.
9818         * config/i386/sse.md: Replace nonimmediate_operand with
9819         vector_operand and m constraint with Bm constraint on SSE
9820         patterns with 16-byte memory operand.
9821         * config/i386/subst.md (round_nimm_predicate): Replace
9822         nonimmediate_operand with vector_operand.
9823         (round_saeonly_nimm_predicate): Likewise.
9824         (round_saeonly_nimm_scalar_predicate): New.
9826 2016-01-05  H.J. Lu  <hongjiu.lu@intel.com>
9828         PR target/68991
9829         * config/i386/constraints.md (Bm): New constraint.
9830         * config/i386/predicates.md (vector_memory_operand): New
9831         predicate.
9832         * config/i386/sse.md: Replace xm with xBm in plusminus and
9833         any_logic patterns.
9835 2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>
9837         PR 1078
9838         * doc/extend.texi (V850 Function Attributes): New section.
9839         (V850 Variable Attributes): New section.
9841 2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>
9843         PR 1078
9844         * doc/extend.texi (MicroBlaze Function Attributes): Document
9845         interrupt_handler and fast_interrupt attributes.
9847 2016-01-05  Sergei Trofimovich  <siarheit@google.com>
9849         PR other/60465
9850         * config/ia64/ia64.c (ia64_expand_load_address): Use gprel64
9851         for local symbolic operands.
9852         * config/ia64/predicates.md (local_symbolic_operand64): New
9853         predicate.
9855 2016-01-05  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9857         PR rtl-optimization/68651
9858         * combine.c (combine_simplify_rtx): Canonicalize x + x into
9859         x << 1.
9861 2016-01-05  Nathan Sidwell  <nathan@acm.org>
9863         * alias.c (compare_base_decls): Use symtab_node::get.
9865 2016-01-05  Nick Clifton  <nickc@redhat.com>
9867         PR target/68770
9868         * ira-costs.c (copy_cost): Initialise the t_icode field of the
9869         secondary_reload_info structure.
9871         PR target/66655
9872         * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Define to use weak
9873         decls if weak support is available.
9875 2016-01-04  Martin Sebor  <msebor@redhat.com>
9877         * doc/invoke.texi (Warning Options): Document -Winvalid-memory-model.
9879 2016-01-04  Michael Meissner  <meissner@linux.vnet.ibm.com>
9881         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Add
9882         OPTION_MASK_P9_DFORM.
9884         * config/rs6000/constraints.md (wo constraint): New constraint for
9885         ISA 3.0 (power9).
9887         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Add support
9888         for wo constraint.
9889         (rs6000_init_hard_regno_mode_ok): Likewise.
9891         * config/rs6000/rs6000.h (r6000_reg_class_enum): Add support for
9892         wo constraint.
9894         * config/rs6000/altivec.md (altivec_vperm_<mode>): Clean up vperm
9895         expanders not to have constraints.  Add support for ISA 3.0 xxperm
9896         instruction.  Add support for fusing xxlor with xxperm.
9897         (altivec_vperm_<mode>_internal): Likewise.
9898         (altivec_vperm_v8hiv16qi): Likewise.
9899         (altivec_vperm_<mode>v16q): Likewise.
9900         (altivec_vperm_<mode>_uns): Likewise.
9901         (vperm_v8hiv4si): Likewise.
9902         (vperm_v16qiv8hi): Likewise.
9904         * doc/md.texi (RS/6000 constraints): Document wo constraint.
9906 2016-01-04  Jakub Jelinek  <jakub@redhat.com>
9908         Update copyright years.
9910         * gcc.c (process_command): Update copyright notice dates.
9911         * gcov-dump.c (print_version): Ditto.
9912         * gcov.c (print_version): Ditto.
9913         * gcov-tool.c (print_version): Ditto.
9914         * gengtype.c (create_file): Ditto.
9915         * doc/cpp.texi: Bump @copying's copyright year.
9916         * doc/cppinternals.texi: Ditto.
9917         * doc/gcc.texi: Ditto.
9918         * doc/gccint.texi: Ditto.
9919         * doc/gcov.texi: Ditto.
9920         * doc/install.texi: Ditto.
9921         * doc/invoke.texi: Ditto.
9923 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
9925         * config/arm/arm.c (aapcs_vfp_allocate_return_reg): Treat all integer
9926         modes larger than TImode as TImode if NEON is not enabled.
9928 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
9930         PR target/69100
9931         * config/sparc/sparc.h (FUNCTION_ARG_REGNO_P): Return true in 64-bit
9932         mode for %f0-%f31 only if TARGET_FPU.
9934 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
9936         PR target/69072
9937         * config/sparc/sparc.c (scan_record_type): Take into account subfields
9938         to compute the PACKED_P predicate.
9939         (function_arg_record_value): Minor tweaks.
9941 2016-01-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
9943         * doc/install.texi (--with-multilib-list): Describe the meaning of the
9944         option for arm*-*-* targets.
9946 2016-01-03  Sandra Loosemore  <sandra@codesourcery.com>
9948         * doc/extend.texi (Common Function Attributes): Move docs for
9949         MSP430-specific attributes to....
9950         (MSP430 Function Attributes): ...here.  Delete the redundant
9951         entries and copy-edit the remaining text.
9952         (MSP430 Variable Attributes): Use uniform format for index
9953         entries and add a cross-reference to the corresponding function
9954         attribute docs.
9956 2016-01-03  Vladimír Čunát  <vcunat@gmail.com>
9958         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix
9959         -finite-math typo.
9960         (x86 Options): Likewise.
9962 2016-01-01  Sandra Loosemore  <sandra@codesourcery.com>
9964         PR 1078
9966         * extend.texi (Common Function Attributes) <no_stack_limit>: New.
9967         * invoke.texi (Code Gen Options) <-fno-stack-limit>: Add pointer
9968         to corresponding attribute.
9970 2016-01-01  Sandra Loosemore  <sandra@codesourcery.com>
9972         * doc/extend.texi (Common Function Attributes) <noplt>: Move
9973         to correct alphabetization of table.  Copy-edit and correct
9974         markup.
9975         <stack_protect>: Likewise.
9976         <target_clones>: Likewise.
9977         <simd>: Likewise.
9978         * doc/invoke.texi (Optimize Options) <-fstack-protector-explicit>:
9979         Correct punctuation.
9980         (Code Gen Options) <-fno-plt>: Copy-edit.
9982 2016-01-01  Bernd Edlinger  <bernd.edlinger@hotmail.de>
9984         PR target/68917
9985         * config/tilegx/tilegx.md (clzsi2): Don't create DI subregs of
9986         SI values.  Explicitly convert SI to DI and vice-versa.
9988 2016-01-01  Jakub Jelinek  <jakub@redhat.com>
9990         PR tree-optimization/69070
9991         * tree-ssa-math-opts.c (gimple_expand_builtin_pow): Only test
9992         REAL_VALUE_ISSIGNALING_NAN on arg0 if arg0 is a REAL_CST.
9994         PR sanitizer/69055
9995         * ubsan.c (ubsan_instrument_float_cast): Call
9996         initialize_sanitizer_builtins.
9998         PR target/69015
9999         * ifcvt.c (find_cond_trap): Give up if returnjump_p (jump).
10001 Copyright (C) 2016 Free Software Foundation, Inc.
10003 Copying and distribution of this file, with or without modification,
10004 are permitted in any medium without royalty provided the copyright
10005 notice and this notice are preserved.