[AArch64] PR target/79913: VEC_SELECT bugs in aarch64 patterns
[official-gcc.git] / gcc / ChangeLog
bloba50c7e97e0b63697fb5ed981d29af6c92f5a3101
1 2017-03-09  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3         PR target/79913
4         * config/aarch64/iterators.md (VALL_F16_NO_V2Q): New mode iterator.
5         (VALL_NO_V2Q): Likewise.
6         (VDQF_DF): Delete.
7         * config/aarch64/aarch64-simd.md
8         (aarch64_dup_lane_<vswap_width_name><mode>): Use VALL_F16_NO_V2Q
9         iterator.
10         (*aarch64_simd_vec_copy_lane_<vswap_width_name><mode>): Use
11         VALL_NO_V2Q mode iterator.
12         (*aarch64_vgetfmulx<mode>): Use VDQF iterator.
14 2017-03-09  Martin Liska  <mliska@suse.cz>
16         PR tree-optimization/79631
17         * tree-chkp-opt.c (chkp_is_constant_addr): Call
18         tree_int_cst_sign_bit just for INTEGER constants.
20 2017-03-09  Martin Liska  <mliska@suse.cz>
22         PR target/65705
23         PR target/69804
24         * toplev.c (process_options): Disable -fcheck-pointer-bounds with
25         sanitizers.
27 2017-03-09  Marek Polacek  <polacek@redhat.com>
29         PR c++/79672
30         * tree.c (inchash::add_expr): Handle TREE_VEC.
32 2017-03-09  Martin Liska  <mliska@suse.cz>
34         PR ipa/79764
35         (chkp_narrow_size_and_offset): New function.
36         (chkp_parse_array_and_component_ref): Support BIT_FIELD_REF.
37         (void chkp_parse_bit_field_ref): New function.
38         (chkp_make_addressed_object_bounds): Add case for BIT_FIELD_REF.
39         (chkp_process_stmt): Use chkp_parse_bit_field_ref.
41 2017-03-09  Martin Liska  <mliska@suse.cz>
43         PR ipa/79761
44         * tree-chkp.c (chkp_get_bound_for_parm): Get bounds for a param.
45         (chkp_find_bounds_1): Remove gcc_unreachable.
47 2017-03-09  Jakub Jelinek  <jakub@redhat.com>
49         PR sanitizer/79944
50         * asan.c (get_mem_refs_of_builtin_call): For BUILT_IN_ATOMIC* and
51         BUILT_IN_SYNC*, determine the access type from the size suffix and
52         always build a MEM_REF with that type.  Handle forgotten
53         BUILT_IN_SYNC_FETCH_AND_NAND_16 and BUILT_IN_SYNC_NAND_AND_FETCH_16.
55         PR target/79932
56         * config/i386/avx512vlintrin.h (_mm256_cmpge_epi32_mask,
57         _mm256_cmpge_epi64_mask, _mm256_cmpge_epu32_mask,
58         _mm256_cmpge_epu64_mask, _mm256_cmple_epi32_mask,
59         _mm256_cmple_epi64_mask, _mm256_cmple_epu32_mask,
60         _mm256_cmple_epu64_mask, _mm256_cmplt_epi32_mask,
61         _mm256_cmplt_epi64_mask, _mm256_cmplt_epu32_mask,
62         _mm256_cmplt_epu64_mask, _mm256_cmpneq_epi32_mask,
63         _mm256_cmpneq_epi64_mask, _mm256_cmpneq_epu32_mask,
64         _mm256_cmpneq_epu64_mask, _mm256_mask_cmpge_epi32_mask,
65         _mm256_mask_cmpge_epi64_mask, _mm256_mask_cmpge_epu32_mask,
66         _mm256_mask_cmpge_epu64_mask, _mm256_mask_cmple_epi32_mask,
67         _mm256_mask_cmple_epi64_mask, _mm256_mask_cmple_epu32_mask,
68         _mm256_mask_cmple_epu64_mask, _mm256_mask_cmplt_epi32_mask,
69         _mm256_mask_cmplt_epi64_mask, _mm256_mask_cmplt_epu32_mask,
70         _mm256_mask_cmplt_epu64_mask, _mm256_mask_cmpneq_epi32_mask,
71         _mm256_mask_cmpneq_epi64_mask, _mm256_mask_cmpneq_epu32_mask,
72         _mm256_mask_cmpneq_epu64_mask, _mm_cmpge_epi32_mask,
73         _mm_cmpge_epi64_mask, _mm_cmpge_epu32_mask, _mm_cmpge_epu64_mask,
74         _mm_cmple_epi32_mask, _mm_cmple_epi64_mask, _mm_cmple_epu32_mask,
75         _mm_cmple_epu64_mask, _mm_cmplt_epi32_mask, _mm_cmplt_epi64_mask,
76         _mm_cmplt_epu32_mask, _mm_cmplt_epu64_mask, _mm_cmpneq_epi32_mask,
77         _mm_cmpneq_epi64_mask, _mm_cmpneq_epu32_mask, _mm_cmpneq_epu64_mask,
78         _mm_mask_cmpge_epi32_mask, _mm_mask_cmpge_epi64_mask,
79         _mm_mask_cmpge_epu32_mask, _mm_mask_cmpge_epu64_mask,
80         _mm_mask_cmple_epi32_mask, _mm_mask_cmple_epi64_mask,
81         _mm_mask_cmple_epu32_mask, _mm_mask_cmple_epu64_mask,
82         _mm_mask_cmplt_epi32_mask, _mm_mask_cmplt_epi64_mask,
83         _mm_mask_cmplt_epu32_mask, _mm_mask_cmplt_epu64_mask,
84         _mm_mask_cmpneq_epi32_mask, _mm_mask_cmpneq_epi64_mask,
85         _mm_mask_cmpneq_epu32_mask, _mm_mask_cmpneq_epu64_mask): Move
86         definitions outside of __OPTIMIZE__ guarded section.
88         PR target/79932
89         * config/i386/avx512bwintrin.h (_mm512_packs_epi32,
90         _mm512_maskz_packs_epi32, _mm512_mask_packs_epi32,
91         _mm512_packus_epi32, _mm512_maskz_packus_epi32,
92         _mm512_mask_packus_epi32): Move definitions outside of __OPTIMIZE__
93         guarded section.
95 2017-03-09  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
97         * config/s390/vx-builtins.md ("vfee<mode>", "vfeez<mode>")
98         ("vfenez<mode>"): Add missing constraints.
100 2017-03-08  Martin Sebor  <msebor@redhat.com>
102         PR target/79928
103         * config/nds32/nds32.c (nds32_option_override): 
105 2017-03-08  Jakub Jelinek  <jakub@redhat.com>
107         PR c/79940
108         * gimplify.c (gimplify_omp_for): Replace index var in outer
109         taskloop statement with an artificial variable and add
110         OMP_CLAUSE_PRIVATE clause for it.
112 2017-03-08  Richard Biener  <rguenther@suse.de>
114         PR tree-optimization/79955
115         * tree-ssa-uninit.c (warn_uninitialized_vars): Do not warn
116         for accesses that are completely outside of the variable.
118 2017-03-08  Andrew Haley  <aph@redhat.com>
120         PR tree-optimization/79943
121         * tree-ssa-loop-split.c (compute_new_first_bound): When
122         calculating the new upper bound, (END-BEG) should be added, not
123         subtracted.
125 2017-03-08  Jakub Jelinek  <jakub@redhat.com>
127         * config/avr/avr.md (setmemhi): Make sure match_dup
128         operand number comes before match_scratch.
130 2017-03-08  Richard Biener  <rguenther@suse.de>
132         PR tree-optimization/79920
133         * tree-vect-slp.c (vect_create_mask_and_perm): Remove and inline
134         with ncopies == 1 to ...
135         (vect_transform_slp_perm_load): ... here.  Properly compute
136         all element loads by iterating VF times over the group.  Do
137         not handle ncopies (computed in a broken way) in
138         vect_create_mask_and_perm.
140 2017-03-08  Jakub Jelinek  <jakub@redhat.com>
142         PR sanitizer/79904
143         * internal-fn.c (expand_vector_ubsan_overflow): If arg0 or arg1
144         is a uniform vector, use uniform_vector_p return value instead of
145         building ARRAY_REF on folded VIEW_CONVERT_EXPR to array type.
147 2017-03-07  Marek Polacek  <polacek@redhat.com>
149         PR middle-end/79809
150         * gimple-ssa-warn-alloca.c (pass_walloca::gate): Use HOST_WIDE_INT.
151         (alloca_call_type): Likewise.
153 2017-03-07  Martin Liska  <mliska@suse.cz>
155         * gcov.c (process_args): Put comment to correct location.
157 2017-03-07  Martin Liska  <mliska@suse.cz>
159         PR middle-end/68270
160         * tree-chkp.c (chkp_may_narrow_to_field): Add new argument ref.
161         Use array_at_struct_end_p instead of DECL_CHAIN (field).
162         (chkp_narrow_bounds_for_field): Likewise.
163         (chkp_parse_array_and_component_ref): Pass one more argument to
164         call.
166 2017-03-07  Richard Biener  <rguenther@suse.de>
168         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Preserve
169         preheaders.
171 2017-03-07  Segher Boessenkool  <segher@kernel.crashing.org>
173         * config/i386/i386.c (ix86_local_alignment): Align most aggregates
174         of 16 bytes and more to 16 bytes, not those of 16 bits and more.
176 2017-03-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
178         PR c/79855
179         * params.def (PARAM_STORE_MERGING_ALLOW_UNALIGNED): Add full stop
180         to end of description.
181         (PARAM_MAX_STORES_TO_MERGE): Likewise.
183 2017-03-07  Jakub Jelinek  <jakub@redhat.com>
185         PR rtl-optimization/79901
186         * config/i386/sse.md (*avx512bw_<code><mode>3<mask_name>): Renamed to
187         ...
188         (*avx512f_<code><mode>3<mask_name>): ... this.
189         (<code><mode>3 with maxmin code iterator): Use VI8_AVX2_AVX512F
190         iterator instead of VI8_AVX2_AVX512BW.
192         PR rtl-optimization/79901
193         * expr.c (expand_expr_real_2): For vector MIN/MAX, if there is no
194         min/max expander, expand it using expand_vec_cond_expr.
196         PR sanitizer/79897
197         * ubsan.c (ubsan_encode_value): Call mark_addressable on the
198         temporary.
200 2017-03-06  Jakub Jelinek  <jakub@redhat.com>
202         PR c++/79821
203         * dwarf2out.h (dw_vec_const): Change array type from unsigned char *
204         to void * for PCH reasons.
205         * dwarf2out.c (output_loc_operands, output_die): Cast
206         v.val_vec.array to unsigned char *.
208 2017-03-06  John David Anglin  <danglin@gcc.gnu.org>
210         PR target/77850
211         * config/pa/pa-64.h (PAD_VARARGS_DOWN): Don't pad down complex and
212         vector types.
214 2017-03-06  Vladimir Makarov  <vmakarov@redhat.com>
216         PR rtl-optimization/79571
217         * lra-constraints.c (process_alt_operands): Calculate static
218         reject and subtract it from overall when only addresses will be
219         reloaded.
221 2017-03-06  Julia Koval  <julia.koval@intel.com>
223         PR target/79793
224         * config/i386/i386.c (ix86_minimum_incoming_stack_boundary): Set
225         incoming stack boundary to 128 for 64-bit targets.
227 2017-03-06  Richard Biener  <rguenther@suse.de>
229         PR tree-optimization/79894
230         * tree-vectorizer.c (vectorize_loops): Set loop_vectorized_call
231         to NULL after folding it.
233 2017-03-06  Richard Biener  <rguenther@suse.de>
235         PR tree-optimization/79824
236         * tree-vect-stmts.c (get_group_load_store_type): Fix alignment
237         check disabling peeling for gaps.
239 2017-03-06  Toma Tabacu  <toma.tabacu@imgtec.com>
241         * doc/sourcebuild.texi (Effective-Target Keywords, Environment
242         attributes): Document gettimeofday.
244 2017-03-06  Robin Dapp  <rdapp@linux.vnet.ibm.com>
246         * config/s390/s390.c (s390_option_override_internal): Set
247         PARAM_MIN_VECT_LOOP_BOUND
249 2017-03-06  Robin Dapp  <rdapp@linux.vnet.ibm.com>
251         * config/s390/s390.c (s390_asm_output_function_label): Use nopr %r0.
252         * config/s390/s390.md: Likewise.
254 2017-03-06  Jakub Jelinek  <jakub@redhat.com>
256         PR target/79812
257         * config/i386/sse.md (VI8F_256_512): Remove mode iterator.
258         (<avx2_avx512>_perm<mode>): Rename to ...
259         (avx2_perm<mode>): ... this.  Use VI8F_256 iterator instead
260         of VI8F_256_512.
261         (<avx512>_perm<mode>_mask): Rename to ...
262         (avx512vl_perm<mode>_mask): ... this.  Use VI8F_256 iterator instead
263         of VI8F_256_512.
264         (<avx2_avx512>_perm<mode>_1<mask_name>): Rename to ...
265         (avx2_perm<mode>_1<mask_name): ... this.  Use VI8F_256 iterator
266         instead of VI8F_256_512.
267         (avx512f_perm<mode>): New define_expand.
268         (avx512f_perm<mode>_mask): Likewise.
269         (avx512f_perm<mode>_1<mask_name>): New define_insn.
270         (<avx512>_vec_dup<mode>_1): Fix up vec_select mode.
272 2017-03-06  Prachi Godbole  <prachi.godbole@imgtec.com>
274         * config/mips/mips-msa.md (msa_fmax_a_<msafmt>, msa_fmin_a_<msafmt>,
275         msa_max_a_<msafmt>, msa_min_a_<msafmt>): Introduce mode interator for
276         if_then_else.
277         (smin<mode>3, smax<mode>3): Change operand print code from 'B' to 'E'.
279 2017-03-06  Martin Liska  <mliska@suse.cz>
281         PR sanitize/79783
282         * asan.c (asan_expand_poison_ifn): Do not expand ASAN_POISON
283         when having a SSA NAME w/o VAR_DECL assigned to it.
285 2017-03-06  Prachi Godbole  <prachi.godbole@imgtec.com>
287         * config/mips/mips-msa.md (msa_dotp_<su>_d, msa_dpadd_<su>_d,
288         msa_dpsub_<su>_d): Fix MODE for vec_select.
290 2017-03-06  Prachi Godbole  <prachi.godbole@imgtec.com>
292         * config/mips/mips.c (mips_gen_const_int_vector): Change type of last
293         argument.
294         * config/mips/mips-protos.h (mips_gen_const_int_vector): Likewise.
296 2017-03-06  Richard Biener  <rguenther@suse.de>
298         * lto-streamer.c (lto_check_version): Use %qs in diagnostics.
299         * plugin.c (register_plugin_info): Likewise.
300         * tree-chkp.c (chkp_make_static_const_bounds): Likewise.
302 2017-03-05  Jakub Jelinek  <jakub@redhat.com>
304         * config/i386/sse.md (sse_storehps, sse_storelps,
305         avx_<castmode><avxsizesuffix>_<castmode>,
306         avx512f_<castmode><avxsizesuffix>_<castmode>,
307         avx512f_<castmode><avxsizesuffix>_256<castmode>): Require
308         in condition that at least one operand is not a MEM.
310 2017-03-03  Jakub Jelinek  <jakub@redhat.com>
312         PR middle-end/79805
313         * internal-fn.def (ATOMIC_BIT_TEST_AND_SET, ATOMIC_BIT_TEST_AND_RESET,
314         ATOMIC_BIT_TEST_AND_COMPLEMENT, ATOMIC_COMPARE_EXCHANGE): Remove
315         ECF_NOTHROW.
316         * gimple-fold.c (fold_builtin_atomic_compare_exchange): Set
317         gimple_call_nothrow_p flag based on whether original builtin can throw.
318         If it can, emit following stmts on the fallthrough edge.
319         * tree-ssa-ccp.c (optimize_atomic_bit_test_and): Similarly, except
320         don't create new bb if inserting just debug stmts on the edge, try to
321         insert them on the fallthru bb or just reset debug stmts.
323 2017-03-03  Segher Boesssenkool  <segher@kernel.crashing.org>
325         PR target/43763
326         * config/rs6000/rs6000.c (rs6000_final_prescan_insn): Save and
327         restore recog_data (including the operand rtxes inside it) around
328         the call to get_insn_template.
330 2017-03-03  Martin Sebor  <msebor@redhat.com>
332         PR tree-optimization/79699
333         * context.c (context::~context): Free MPFR caches to avoid
334         a memory leak on program exit.
336 2017-03-03  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
338         * config/aarch64/aarch64.c (aarch64_float_const_representable_p):
339         Use wide_int::ulow () instead of .elt (0).
341 2017-03-03  Uros Bizjak  <ubizjak@gmail.com>
343         * config/i386/i386.md (*pushtf): Change *roF constraint to *roC.
344         (*pushxf): Limit oF constraint to 32bit targets and add oC
345         constraint for 64bit targets.
346         (pushxf splitter): Use PUSH_ROUNDING to calculate stack adjustment.
347         (*pushdf): Change rmF constraint to rmC.
349 2017-03-03  Martin Liska  <mliska@suse.cz>
351         * tree-ssa-loop-prefetch.c (pass_loop_prefetch::execute):
352         Remove unused variable.
354 2017-03-03  Jakub Jelinek  <jakub@redhat.com>
356         PR target/79807
357         * config/i386/i386.c (ix86_expand_multi_arg_builtin): If target
358         is a memory operand, increase num_memory.
359         (ix86_expand_args_builtin): Likewise.
361 2017-03-03  Jan Hubicka  <jh@suse.cz>
363         PR lto/79760
364         * ipa-devirt.c (maybe_record_node): Properly handle
365         __cxa_pure_virtual visibility.
367 2017-03-03  Martin Liska  <mliska@suse.cz>
369         PR tree-optimization/79803
370         * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Remove
371         assert.
372         (pass_loop_prefetch::execute): Disabled optimization if an
373         assumption about L1 cache size is not met.
375 2017-03-03  Martin Liska  <mliska@suse.cz>
377         PR rtl-optimization/79574
378         * gcse.c (struct gcse_expr): Use HOST_WIDE_INT instead of int.
379         (hash_scan_set): Likewise.
380         (dump_hash_table): Likewise.
381         (hoist_code): Likewise.
383 2017-03-03  Richard Biener  <rguenther@suse.de>
385         * fixed-value.c (fixed_from_string): Restore use of elt (1)
386         in place of uhigh ().
387         (fixed_convert_from_real): Likewise.
389 2017-03-03  Uros Bizjak  <ubizjak@gmail.com>
391         PR target/79514
392         * config/i386/i386.md (*pushxf_rounded): Use Pmode instead of DImode.
394 2017-03-03  Richard Biener  <rguenther@suse.de>
396         PR middle-end/79818
397         * match.pd ( X +- C1 CMP C2 -> X CMP C2 -+ C1): Add missing
398         TYPE_OVERFLOW_UNDEFINED check.
400 2017-03-02  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
402         * config/rs6000/vector.md (vector_ne_<mode>_p): Correct operand
403         numbers.
404         (vector_ae_<mode>_p): Likewise.
405         (vector_nez_<mode>_p): Likewise.
406         (vector_ne_v2di_p): Likewise.
407         (vector_ae_v2di_p): Likewise.
408         (vector_ne_<mode>_p): Likewise.
409         * config/rs6000/vsx.md (vsx_tsqrt<mode>2_fg): Correct operand
410         numbers.
411         (vsx_tsqrt<mode>2_fe): Likewise.
413 2017-03-02  Uros Bizjak  <ubizjak@gmail.com>
415         PR target/79514
416         * config/i386/i386.md (*pushxf_rounded): New insn_and_split pattern.
418 2017-03-02  Jakub Jelinek  <jakub@redhat.com>
420         PR rtl-optimization/79780
421         * cprop.c (one_cprop_pass): When second and further conditional trap
422         in a single basic block is turned into an unconditional trap, turn it
423         into a deleted note to avoid RTL verification failures.
425 2017-03-02  Richard Biener  <rguenther@suse.de>
427         * fold-const.c (const_binop): Use ulow () instead of elt (0).
429 2017-03-02  Richard Biener  <rguenther@suse.de>
431         PR tree-optimization/79345
432         PR c++/42000
433         * tree-ssa-alias.c (walk_aliased_vdefs_1): Take a limit
434         param and abort the walk, returning -1 if it is hit.
435         (walk_aliased_vdefs): Take a limit param and pass it on.
436         * tree-ssa-alias.h (walk_aliased_vdefs): Add a limit param,
437         defaulting to 0 and return a signed int.
438         * tree-ssa-uninit.c (struct check_defs_data): New struct.
439         (check_defs): New helper.
440         (warn_uninitialized_vars): Use walk_aliased_vdefs to warn
441         about uninitialized memory.
442         * fixed-value.c (fixed_from_string): Use ulow/uhigh to avoid
443         bogus uninitialized warning.
444         (fixed_convert_from_real): Likewise.
446 2017-03-02  Bin Cheng  <bin.cheng@arm.com>
448         PR tree-optimization/66768
449         * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Skip addr
450         iv_use if base object can't be determined.
452 2017-03-02  Jakub Jelinek  <jakub@redhat.com>
454         PR tree-optimization/79345
455         * gensupport.h (struct pattern_stats): Add min_scratch_opno field.
456         * gensupport.c (get_pattern_stats_1) <case MATCH_SCRATCH>: Update it.
457         (get_pattern_stats): Initialize it.
458         * genemit.c (gen_expand): Verify match_scratch numbers come after
459         match_operand/match_dup numbers.
460         * config/i386/i386.md (<s>mul<mode>3_highpart): Swap match_dup and
461         match_scratch numbers.
462         * config/i386/sse.md (avx2_gathersi<mode>, avx2_gatherdi<mode>):
463         Likewise.
464         * config/s390/s390.md (trunctdsd2): Likewise.
466 2017-03-02  Richard Biener  <rguenther@suse.de>
468         * wide-int.h (wide_int_storage::operator=): Implement in terms
469         of wi::copy.
471 2017-03-02  Richard Biener  <rguenther@suse.de>
473         PR tree-optimization/79777
474         * tree-ssa-pre.c (eliminate_insert): Give up if we simplify
475         the to insert expression to sth existing.
477 2017-03-01  Martin Sebor  <msebor@redhat.com>
479         PR middle-end/79692
480         * gimple-ssa-sprintf.c
481         (directive::known_width_and_precision): New function.
482         (format_integer): Use it.
483         (get_mpfr_format_length): Consider the full range of precision
484         when computing %g output with the # flag.  Set the likely byte
485         count to 3 rather than 1 when precision is indeterminate.
486         (format_floating): Correct the lower bound of precision.
488 2017-03-01  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
490         * doc/invoke.texi: Document default code model for 64-bit Linux.
492 2017-03-01  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
494         PR target/79752
495         * config/rs6000/rs6000.md (peephole2 for udiv/umod): Should emit
496         udiv rather than div since input pattern is unsigned.
498 2017-03-01  Uros Bizjak  <ubizjak@gmail.com>
500         * config/i386/i386.c (print_reg): Warn for values of
501         unsupported size in integer register.
503 2017-03-01  Michael Meissner  <meissner@linux.vnet.ibm.com>
505         PR target/79439
506         * config/rs6000/predicates.md (current_file_function_operand): Do
507         not allow self calls to be local if the function is replaceable.
509 2017-03-01  Kelvin Nilsen  <kelvin@gcc.gnu.org>
511         PR target/79395
512         * config/rs6000/altivec.h (vec_ctz and others): Change the
513         preprocessor macro that controls conditional compilation from
514         _ARCH_PWR9 to __POWER9_VECTOR__.
515         (vec_all_ne): Change parameterization of __altivec_scalar_pred
516         macro expansion under preprocessor #ifdef __POWER9_VECTOR__
517         control (instead of _ARCH_PWR9 control) so that template
518         definition uses power9-specific function.
519         (vec_any_eq): Likewise.
520         (vec_all_ne): Change macro definition to use a power9-specific
521         expansion under #ifdef __POWER9_VECTOR__ control (instead of
522         _ARCH_PWR9 control).
523         (vec_any_eq) Likewise.
524         * config/rs6000/rs6000-builtin.def (CMPNEF): Remove BU_P9V_AV_2
525         expansion for CMPNEF to remove support for xvcmpnesp instruction.
526         (CMPNED): Remove BU_P9V_AV2 expansion for CMPNED to remove
527         support for xvcmpnedp instruction.
528         (VCMPNEB_P): Replace BU_P9V_AV_P macro expansion with BU_P9V_AV_2
529         macro expansion so that Power9 implementation of vec_all_ne does
530         not use the AltiVec predicate framework.
531         (VCMPNEH_P): Likewise.
532         (VCMPNEW_P): Likewise.
533         (VCMPNED_P): Likewise.
534         (VCMPNEFP_P): Likewise.
535         (VCMPNEDP_P): Likewise.
536         (VCMPAEB_P): Add BU_P9V_AV_2 macro expansion to change
537         implementation of vec_any_eq to not use AltiVec predicate
538         framework.
539         (VCMPAEH_P): Likewise.
540         (VCMPAEW_P): Likewise.
541         (VCMPAED_P): Likewise.
542         (VCMPAEFP_P): Likewise.
543         (VCMPAEDP_P): Likewise.
544         (VCMPNE_P): Replace BU_P9V_OVERLOAD_P macro expansion with
545         BU_P9V_OVERLOAD_2 so that Power9 implementation of vec_all_ne does
546         not use the AltiVec predicate framework.
547         (VCMPAE_P): Add BU_P9V_OVERLOAD_2 macro to change implementation
548         of vec_any_eq to not use AltiVec predicate framework.
549         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Add
550         support for predefined __POWER9_VECTOR__ macro to indicate that
551         Power9 instruction selection is enabled.
552         (altivec_overloaded_builtins): Remove extraneous
553         ALTIVEC_BUILTIN_VEC_CMPNE entry for overloaded
554         function argument types RS6000_BTI_bool_V16QI and
555         RS6000_BTI_bool_V16QI.  Remove erroneous ALTIVEC_BUILTIN_VEC_CMPNE
556         entry for overloaded function argument types RS6000_BTI_bool_V4SI
557         andRS6000_BTI_bool_V4SI, mapping to P9V_BUILTIN_CMPNEB.  Remove
558         two entries mapping to P9V_BUITIN_CMPNED and one entry mapping to
559         P9V_BUILTIN_CMPNEF to force use of instructions not specific to
560         Power9 for implementations of vec_cmpne.  Change the signature for
561         all definitions of the overloaded P9V_BUILTIN_VEC_CMPNE_P function
562         (representing vec_all_ne) to remove the previously described first
563         argument of type RS6000_BTI_INTSI, as this was an artifact of
564         reliance on the AltiVec predicate framework, which is no longer
565         used in the implementation of these functions.  Add
566         P9V_BUILTIN_VEC_VCMPAE_P entries (representing the vec_anyeq
567         function) to match all of the P9V_BUILTIN_VEC_VCMNE_P entries
568         since, unlike the AltiVec predicate framework implementation, we
569         do not share function descriptors between vec_alle and vec_anyeq.
570         (altivec_resolve_overloaded_builtin): Add SFmode and DFmode to the
571         set of modes that receive special treatment even when
572         TARGET_P9_VECTOR is true.  The special treatment emits code that
573         does not depend on Power9 instructions.
574         * config/rs6000/vector.md (vector_ne_<mode>_p): Change this
575         define_expand to not rely on AltiVec predicate framework.
576         (vector_ae_<mode>p): New define_expand to represent vec_any_eq
577         function.
578         (vector_ne_v2di_p): Change this define_expand to not rely on
579         AltiVec predicate framework.
580         (vector_ae_v2di_p): New define_expand to represent vec_any_eq
581         function.
582         (vector_ne_<mode>_p): Change this define_expand to not rely on
583         AltiVec predicate framework.
584         (vector_ae_<mode>p): New define_expand to represent vec_any_eq
585         function.
586         * config/rs6000/vsx.md (*vsx_ne_<mode>_p): For modes VSX_EXTRACT_I
587         (V16QI, V8HI, V4SI), correct a typo in the code emitted for this
588         define_insn pattern.
589         (*vsx_ne_<mode>_p): For modes VSX_F (V4SF and V2DF), remove this
590         define_insn pattern because the xvcmpne<VSs>. instruction is not
591         supported.
592         (vcmpne<VSs>): Remove this define_insn because xvcmpne<VSs>
593         instruction is not supported.
595 2017-03-01  Jakub Jelinek  <jakub@redhat.com>
597         * config/nvptx/nvptx.c: Include intl.h.
599 2017-03-01  Martin Jambor  <mjambor@suse.cz>
601         PR lto/78140
602         * ipa-prop.h (ipa_bits): Removed field known.
603         (ipa_jump_func): Removed field vr_known.  Changed fields bits and m_vr
604         to pointers.  Adjusted their comments to warn about their sharing.
605         (ipcp_transformation_summary): Change bits to a vector of pointers.
606         (ipa_check_create_edge_args): Moved to ipa-prop.c, declare.
607         (ipa_get_ipa_bits_for_value): Declare.
608         * tree-vrp.h (value_range): Mark as GTY((for_user)).
609         * ipa-prop.c (ipa_bit_ggc_hash_traits): New.
610         (ipa_bits_hash_table): Likewise.
611         (ipa_vr_ggc_hash_traits): Likewise.
612         (ipa_vr_hash_table): Likewise.
613         (ipa_print_node_jump_functions_for_edge): Adjust for bits and m_vr
614         being pointers and vr_known being removed.
615         (ipa_set_jf_unknown): Likewise.
616         (ipa_get_ipa_bits_for_value): New function.
617         (ipa_set_jfunc_bits): Likewise.
618         (ipa_get_value_range): New overloaded functions.
619         (ipa_set_jfunc_vr): Likewise.
620         (ipa_compute_jump_functions_for_edge): Use the above functions to
621         construct bits and vr parts of jump functions.
622         (ipa_check_create_edge_args): Move here from ipa-prop.h, also allocate
623         ipa_bits_hash_table and ipa_vr_hash_table if they do not already
624         exist.
625         (ipcp_grow_transformations_if_necessary): Also allocate
626         ipa_bits_hash_table and ipa_vr_hash_table if they do not already
627         exist.
628         (ipa_node_params_t::duplicate): Do not copy bits, just pointers to
629         them.  Fix too long lines.
630         (ipa_write_jump_function): Adjust for bits and m_vr being pointers and
631         vr_known being removed.
632         (ipa_read_jump_function): Use new setter functions to construct bits
633         and vr parts of jump functions or set them to NULL.
634         (write_ipcp_transformation_info): Adjust for bits being pointers.
635         (read_ipcp_transformation_info): Likewise.
636         (ipcp_update_bits): Likewise.  Fix excessively long lines a trailing
637         space.
638         Include gt-ipa-prop.h.
639         * ipa-cp.c (propagate_bits_across_jump_function): Adjust for bits
640         being pointers.
641         (ipcp_store_bits_results): Likewise.
642         (propagate_vr_across_jump_function): Adjust for m_vr being a pointer.
643         Do not write to existing jump functions but use a temporary instead.
645 2017-03-01  Jakub Jelinek  <jakub@redhat.com>
647         PR c++/79681
648         * fold-const.c (make_bit_field_ref): If orig_inner is COMPONENT_REF,
649         attempt to use its first operand as BIT_FIELD_REF base.
651 2017-03-01  Richard Biener  <rguenther@suse.de>
653         PR middle-end/79721
654         * tree-chrec.c (chrec_evaluate): Perform computation of Newtons
655         interpolating formula in wrapping arithmetic.
656         (chrec_apply): Convert chrec_evaluate return value to wanted type.
658 2017-03-01  Jakub Jelinek  <jakub@redhat.com>
660         PR tree-optimization/79734
661         * tree-vect-generic.c (expand_vector_condition): Optimize
662         AVX512 vector boolean VEC_COND_EXPRs into bitwise operations.
663         Handle VEC_COND_EXPR where comparison has different inner width from
664         type's inner width.
666 2017-02-28  Sandra Loosemore  <sandra@codesourcery.com>
668         * doc/invoke.texi (ARC Options): Copy-edit to fix punctuation,
669         markup, and similar issues.  Remove @opindex entries for things
670         that aren't options.  Add missing -mmpy-option entries.
672 2017-02-28  Jakub Jelinek  <jakub@redhat.com>
674         PR tree-optimization/79737
675         * gimple-ssa-store-merging.c (encode_tree_to_bitpos): If bitlen is
676         a multiple of BITS_PER_UNIT and !BYTES_BIG_ENDIAN, clear
677         tmpbuf[byte_size - 1].  Call natice_encode_expr with byte_size - 1
678         instead of byte_size.  Formatting fix.
679         (shift_bytes_in_array_right): Formatting fix.
681 2017-02-28  Eric Botcazou  <ebotcazou@adacore.com>
683         PR target/79749
684         * config/sparc/sparc.c (sparc_frame_pointer_required): Add missing
685         condition on optimize for the leaf function test.
687 2017-02-28  Martin Liska  <mliska@suse.cz>
689         PR lto/79625
690         * read-rtl-function.c (function_reader::handle_unknown_directive):
691         Bail out when one uses -flto.
693 2017-02-28  Martin Liska  <mliska@suse.cz>
695         * common.opt: Replace space with tabular for options of <number>
696         type.
697         * config/i386/i386.opt: Show <number> value for
698         -mlarge-data-threshold.
699         * opts.c (print_filtered_help): Do not display number in hexadecimal
700         format.
702 2017-02-28  Martin Liska  <mliska@suse.cz>
704         * common.opt: Fix --help=option -Q for options which are of
705         an enum type.
707 2017-02-28  Uros Bizjak  <ubizjak@gmail.com>
709         * config/i386/i386.c (print_reg): Error out for values
710         of 8-bit size in invalid integer register.
712 2017-02-28  Martin Sebor  <msebor@redhat.com>
714         PR tree-optimization/79691
715         * passes.def (pass_all_optimizations_g): Enable pass_sprintf_length.
717 2017-02-28  Jakub Jelinek  <jakub@redhat.com>
719         PR target/79729
720         * config/i386/i386.c (ix86_print_operand) <case 'R'>: Replace
721         gcc_unreachable with output_operand_lossage.
723 2017-02-28  Richard Biener  <rguenther@suse.de>
725         PR tree-optimization/79740
726         * tree-ssa-sccvn.c (vn_nary_op_insert_into): Allow redundant
727         inserts.
728         (visit_nary_op): Insert the nary into the hashtable if we
729         pattern-matched sth.
730         * tree-ssa-pre.c (eliminate_insert): Robustify.
732 2017-02-28  Richard Biener  <rguenther@suse.de>
734         PR middle-end/79731
735         * fold-const.c (decode_field_reference): Reject out-of-bound
736         accesses.
738 2017-02-28  Jakub Jelinek  <jakub@redhat.com>
740         * config/i386/i386.c: Include intl.h.
741         (ix86_option_override_internal): Use cond ? G_("...") : G_("...")
742         instead of just cond ? "..." : "...".
743         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Likewise.
744         * coverage.c (read_counts_file): Likewise.
745         * omp-offload.c: Include intl.h.
746         (oacc_loop_fixed_partitions): Use cond ? G_("...") : G_("...") instead
747         of just cond ? "..." : "...".
748         * gcov.c (read_count_file): Use cond ? N_("...") : N_("...") instead
749         of just cond ? "..." : "...".
751 2017-02-28  Richard Earnshaw  <rearnsha@arm.com>
753         PR target/79742
754         * config/arm/parsecpu.awk (gen_data): Set tuning target to 'tune for'
755         entry, if present.
756         * config/arm/arm-cpus.in (cortex-m0plus.small-multiply): Correct
757         'tune for' CPU name.
758         * config/arm/arm-cpu-data.h: Regenerated.
760 2017-02-28  Richard Biener  <rguenther@suse.de>
762         PR tree-optimization/79732
763         * tree-inline.c (expand_call_inline): Do not shadow var.
765 2017-02-28  Richard Biener  <rguenther@suse.de>
767         PR tree-optimization/79723
768         * tree-vect-stmts.c (get_vectype_for_scalar_type_and_size): Preserve
769         address-space properly.
771 2017-02-28  Thomas Schwinge  <thomas@codesourcery.com>
773         * doc/optinfo.texi (Optimization groups): Fix option used for
774         OPTGROUP_ALL.
775         * doc/invoke.texi (-fopt-info): Document "omp".
776         * dumpfile.h: Sort OPTGROUP_OMP before OPTGROUP_VEC.
777         (OPTGROUP_ALL): Add OPTGROUP_OMP.
778         * hsa-gen.c (pass_data_gen_hsail): Use OPTGROUP_OMP.
779         * ipa-hsa.c (pass_data_ipa_hsa): Likewise.
780         * omp-simd-clone.c (pass_data_omp_simd_clone): Likewise.
782         * dumpfile.h (OPTGROUP_OPENMP): Rename to OPTGROUP_OMP.  Adjust
783         all users.
784         * dumpfile.c (optgroup_options): Instead of "openmp", associate
785         OPTGROUP_OMP with "omp".
787 2017-02-27  Pat Haugen  <pthaugen@us.ibm.com>
789         PR target/79544
790         * config/rs6000/rs6000-c.c (struct altivec_builtin_types): Use VSRAD
791         for arithmetic shift of unsigned V2DI.
793 2017-02-27  Claudiu Zissulescu  <claziss@synopsys.com>
795         * config.gcc (arc*-): Clean up, use arc/big.h, arc/elf.h, and
796         arc/linux.h headers.
797         * config/arc/arc.h (TARGET_OS_CPP_BUILTINS): Remove.
798         (LINK_SPEC): Likewise.
799         (ARC_TLS_EXTRA_START_SPEC): Likewise.
800         (EXTRA_SPECS): Likewise.
801         (STARTFILE_SPEC): Likewise.
802         (ENDFILE_SPEC): Likewise.
803         (LIB_SPEC): Likewise.
804         (TARGET_SDATA_DEFAULT): Likewise.
805         (TARGET_MMEDIUM_CALLS_DEFAULT): Likewise.
806         (MULTILIB_DEFAULTS): Likewise.
807         (DWARF2_UNWIND_INFO): Likewise.
808         * config/arc/big.h: New file.
809         * config/arc/elf.h: Likewise.
810         * config/arc/linux.h: Likewise.
811         * config/arc/t-uClibc: Remove.
813 2017-02-27  Bin Cheng  <bin.cheng@arm.com>
815         PR tree-optimization/77536
816         * tree-ssa-loop-manip.c (niter_for_unrolled_loop): New function.
817         (tree_transform_and_unroll_loop): Use above function to compute the
818         estimated niter of unrolled loop and use it when scaling profile.
819         Also use count info rather than frequency if it's non-zero.
820         * tree-ssa-loop-manip.h niter_for_unrolled_loop(): New declaration.
821         * tree-vect-loop.c (scale_profile_for_vect_loop): New function.
822         (vect_transform_loop): Call above function.
824 2017-02-27  Richard Biener  <rguenther@suse.de>
826         PR tree-optimization/45397
827         * tree-ssa-pre.c (eliminate_insert): Handle BIT_AND_EXPR.
828         * tree-ssa-sccvn.c (valueized_wider_op): New helper.
829         (visit_nary_op): Add pattern matching for CSEing sign-changed
830         or truncated operations with wider ones.
832 2017-02-27  Richard Biener  <rguenther@suse.de>
834         PR tree-optimization/79690
835         * tree-vect-stmts.c (vectorizable_store): Use vector type
836         built from the DR with address-space.
838 2017-02-26  Gerald Pfeifer  <gerald@pfeifer.com>
840         * doc/invoke.texi (Optimize Options): Refine the description
841         of asan-use-after-return.
843 2017-02-25  Alan Modra  <amodra@gmail.com>
845         PR rtl-optimization/79584
846         * lra-constraints.c (base_to_reg): Reload ad->base, the entire
847         base, not ad->base_term, the reg within base.  Remove assertion
848         that ad->base == ad->base_term.  Replace gen_int_mode using
849         bogus mode with const0_rtx.
851 2017-02-25  Jakub Jelinek  <jakub@redhat.com>
853         PR middle-end/79396
854         * tree-eh.c (operation_could_trap_p, stmt_could_throw_1_p): Handle
855         FMA_EXPR like tcc_binary or tcc_unary.
857         * tree-ssa-loop-niter.c (number_of_iterations_exit): Simplify warning.
859         PR debug/77589
860         * dwarf2out.c (struct dw_loc_list_struct): Add noted_variable_value
861         bitfield.
862         (size_of_loc_descr): Handle DW_OP_GNU_variable_value.
863         (output_loc_operands): Handle DW_OP_call_ref and
864         DW_OP_GNU_variable_value.
865         (struct variable_value_struct): New type.
866         (struct variable_value_hasher): Likewise.
867         (variable_value_hash): New variable.
868         (string_types): Remove.
869         (copy_loc_descr): New function.
870         (add_loc_descr_to_each): Clarify comment.  Use copy_loc_descr.
871         (prepend_loc_descr_to_each): New function.
872         (add_loc_list): Fix comment typo.  Use prepend_loc_descr_to_each
873         instead of add_loc_descr_to_each if the first argument is single
874         location list and the second has multiple.
875         (resolve_args_picking_1): Handle DW_OP_GNU_variable_value.
876         (loc_list_from_tree_1): For early_dwarf, emit DW_OP_GNU_variable_value
877         when looking for variable value which doesn't have other location info.
878         (loc_list_from_tree): Formatting fix.
879         (gen_array_type_die): Simplify DW_AT_string_length handling.
880         (adjust_string_types): Remove.
881         (gen_subprogram_die): Don't call adjust_string_types nor test/set
882         string_types.  Call resolve_variable_values.
883         (prune_unused_types_walk_loc_descr): Handle DW_OP_GNU_variable_value.
884         (resolve_addr_in_expr): Likewise.  Add A argument.
885         (copy_deref_exprloc): Remove deref argument.  Adjust for the
886         original expression being DW_OP_GNU_variable_value with optionally
887         DW_OP_stack_value after it instead of DW_OP_call4 with DW_OP_deref
888         optionally after it.
889         (optimize_string_length): Rework for DW_OP_GNU_variable_value.
890         (resolve_addr): Adjust optimize_string_length and resolve_addr_in_expr
891         callers.  Set remove_AT_byte_size if removing DW_AT_string_length.
892         (variable_value_hasher::hash, variable_value_hasher::equal): New
893         methods.
894         (resolve_variable_value_in_expr, resolve_variable_value,
895         resolve_variable_values, note_variable_value_in_expr,
896         note_variable_value): New functions.
897         (dwarf2out_early_finish): Call note_variable_value on all toplevel
898         DIEs.
900 2017-02-24  Jakub Jelinek  <jakub@redhat.com>
902         PR c/79677
903         * opts.h (handle_generated_option): Add GENERATED_P argument.
904         * opts-common.c (handle_option): Adjust function comment.
905         (handle_generated_option): Add GENERATED_P argument, pass it to
906         handle_option.
907         (control_warning_option): Pass false to handle_generated_option
908         GENERATED_P.
909         * opts.c (maybe_default_option): Pass true to handle_generated_option
910         GENERATED_P.
911         * optc-gen.awk: Likewise.
913 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
915         * config/sh/sh.md (tstsi_t): If operands[0] is a SUBREG instead of
916         a REG, look at the REG it is a SUBREG of.
917         (splitter for cmpeqsi_t): Ditto.
919 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
921         * config/pa/pa.c (pa_combine_instructions): Do not share RTL.  Make
922         the special USEs with the pattern of the insn, not the insn itself.
924 2017-02-24  Matthew Fortune  <matthew.fortune@imgtec.com>
926         PR target/79473
927         * doc/invoke.texi: Document -mload-store-pairs.
929 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
930             Sandra Loosemore  <sandra@codesourcery.com>
932         * config/nios2/nios2.c (nios2_simple_const_p): Returns false if the
933         argument isn't a CONST_INT.
934         (nios2_alternate_compare_const): Assert op is a CONST_INT.
935         (nios2_valid_compare_const_p): Assert op is a CONST_INT.
936         (nios2_validate_compare): Bypass alternate compare logic if *op2
937         is not a CONST_INT.
938         (ldstwm_operation_p): Return false if first_base is not a REG or
939         if first_offset is not a CONST_INT.
941 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
943         * config/cris/cris.md: Use correct operand in a define_peephole2.
945 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
947         * config/c6x/c6x.c (predicate_insn): Do not incorrectly share RTL.
949 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
951         * config/arc/arc.c (arc_ccfsm_advance): Only take the PATTERN of
952         this_insn if it is an INSN or JUMP_INSN.
953         (force_offsettable): Look at base, not at addr.
954         * config/arc/predicates.md (brcc_nolimm_operator): Don't call INTVAL
955         on things that aren't necessarily CONST_INTs.
957 2017-02-24  Uros Bizjak  <ubizjak@gmail.com>
959         * doc/invoke.texi (x86 Options, -mfpmath=sse): Mention that
960         -mfpmath=sse is the default also for x86-32 targets with SSE2
961         instruction set when @option{-ffast-math} is enabled
963 2017-02-24  Jeff Law  <law@redhat.com>
965         PR rtl-optimizatoin/79286
966         * ira.c (update_equiv_regs): Drop may_trap_p exception to
967         dominance test.
969 2017-02-24  Richard Biener  <rguenther@suse.de>
971         PR tree-optimization/79389
972         * gimple-ssa-split-paths.c (is_feasible_trace): Properly skip
973         debug insns.
975 2017-02-24  Aldy Hernandez  <aldyh@redhat.com>
977         * tree-ssa-loop-niter.c (number_of_iterations_exit): Update
978         function comment to reflect reality.
979         (loop_exits_before_overflow): Fix typo in function description.
981 2017-02-24  Richard Biener  <rguenther@suse.de>
983         PR tree-optimization/79389
984         * gimple-ssa-split-paths.c (is_feasible_trace): Verify more
985         properly that a threading opportunity exists.  Detect conditional
986         copy/constant propagation opportunities.
988 2017-02-23  Eric Botcazou  <ebotcazou@adacore.com>
990         * config/visium/visium.md (type): Add trap.
991         (b): New mode attribute.
992         (*btst): Rename into...
993         (*btst<mode>): ...this and adjust.
994         (*cbranchsi4_btst_insn): Rename into...
995         (*cbranch<mode>4_btst_insn): ...this and adjust.
996         (trap): New define_insn.
998 2017-02-23  Jakub Jelinek  <jakub@redhat.com>
1000         PR tree-optimization/79389
1001         * ifcvt.c (struct noce_if_info): Add rev_cond field.
1002         (noce_reversed_cond_code): New function.
1003         (noce_emit_store_flag): Use rev_cond if non-NULL instead of
1004         reversed_comparison_code.  Formatting fix.
1005         (noce_try_store_flag): Test rev_cond != NULL in addition to
1006         reversed_comparison_code.
1007         (noce_try_store_flag_constants): Likewise.
1008         (noce_try_store_flag_mask): Likewise.
1009         (noce_try_addcc): Use rev_cond if non-NULL instead of
1010         reversed_comparison_code.
1011         (noce_try_cmove_arith): Likewise.  Formatting fixes.
1012         (noce_try_minmax, noce_try_abs): Clear rev_cond.
1013         (noce_find_if_block): Initialize rev_cond.
1014         (find_cond_trap): Call noce_get_condition with then_bb == trap_bb
1015         instead of false as last argument never attempt to reverse it
1016         afterwards.
1018 2017-02-23  Bin Cheng  <bin.cheng@arm.com>
1020         PR tree-optimization/79663
1021         * tree-predcom.c (combine_chains): Process refs in reverse order
1022         only for ZERO length chains, and add explaining comment.
1024 2017-02-23  Jeff Law  <law@redhat.com>
1026         PR tree-optimization/79578
1027         * tree-ssa-dse.c (clear_bytes_written_by): Use OEP_ADDRESS_OF
1028         in call to operand_equal_p.
1030 2017-01-23  Dominique d'Humieres  <dominiq@lps.ens.fr>
1032         PR target/71017
1033         * config/i386/cpuid.h: Fix another undefined behavior.
1035 2017-02-23  Richard Biener  <rguenther@suse.de>
1037         PR tree-optimization/79683
1038         * tree-vect-stmts.c (vect_analyze_stmt): Do not overwrite
1039         vector types for data-refs.
1041 2017-02-23  Martin Liska  <mliska@suse.cz>
1043         * params.def (PARAM_MIN_NONDEBUG_INSN_UID): Change default to 0.
1045 2017-02-23  Jakub Jelinek  <jakub@redhat.com>
1047         PR middle-end/79665
1048         * internal-fn.c (get_range_pos_neg): Moved to ...
1049         * tree.c (get_range_pos_neg): ... here.  No longer static.
1050         * tree.h (get_range_pos_neg): New prototype.
1051         * expr.c (expand_expr_real_2) <case TRUNC_DIV_EXPR>: If both arguments
1052         are known to be in between 0 and signed maximum inclusive, try to
1053         expand both unsigned and signed divmod and use the cheaper one from
1054         those.
1056 2017-02-22  Jeff Law  <law@redhat.com>
1058         PR tree-optimization/79578
1059         * tree-ssa-dse.c (clear_bytes_written_by): Use operand_equal_p
1060         to compare base operands.
1062 2017-02-22  Segher Boessenkool  <segher@kernel.crashing.org>
1064         PR target/79211
1065         * config/rs6000/rs6000.md (*fsel<SFDF:mode><SFDF2:mode>4): Use
1066         gpc_reg_operand instead of fpr_reg_operand.
1068 2017-02-22  Sameera Deshpande  <sameera.deshpande@imgtec.com>
1070         * config/mips/mips.c (mips_return_in_memory): Force FP
1071         vector types to be returned in memory for o32 ABI.
1073 2017-02-22  Jakub Jelinek  <jakub@redhat.com>
1075         * dwarf2out.c (gen_variable_die): For -gdwarf-5, use DW_TAG_variable
1076         instead of DW_TAG_member for static data member declarations and don't
1077         set no_linkage_name for static inline data members.
1078         (gen_member_die): For -gdwarf-5 don't change DW_TAG_variable
1079         to DW_TAG_member.
1081 2017-02-22  Martin Liska  <mliska@suse.cz>
1083         * doc/invoke.texi: Replace inequality signs with square brackets
1084         for -Wnormalized.
1086 2017-02-22  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1088         PR tree-optimization/68644
1089         * gcc.dg/tree-ssa/ivopts-lt-2.c: Skip for powerpc*-*-*.
1091 2017-02-22  Matthew Fortune  <matthew.fortune@imgtec.com>
1093         PR target/78660
1094         * lra-constraints.c (simplify_operand_subreg): Handle
1095         WORD_REGISTER_OPERATIONS targets.
1097 2017-02-22  Jakub Jelinek  <jakub@redhat.com>
1099         PR target/70465
1100         * reg-stack.c (emit_swap_insn): Treat (float_extend:?F (mem:?F))
1101         and (const_double:?F) like (mem:?F) for the purpose of fxch %st(1)
1102         elimination by swapping fld*.
1104 2017-02-22  Richard Biener  <rguenther@suse.de>
1106         PR tree-optimization/79673
1107         * tree-ssa-pre.c (compute_avail): Use wide_int_to_tree to
1108         convert the [TARGET_]MEM_REF offset INTEGER_CST, scrapping off
1109         irrelevant address-space qualifiers and avoiding a
1110         ADDR_SPACE_CONVERT_EXPR from fold_convert.
1112 2017-02-22  Richard Biener  <rguenther@suse.de>
1114         PR tree-optimization/79666
1115         * tree-vrp.c (extract_range_from_binary_expr_1): Make sure
1116         to not symbolically negate if that may introduce undefined
1117         overflow.
1119 2017-02-22  Martin Liska  <mliska@suse.cz>
1121         PR lto/79587
1122         * data-streamer-in.c (streamer_read_gcov_count): Remove assert.
1123         * data-streamer-out.c (streamer_write_gcov_count_stream):
1124         Likewise.
1125         * value-prof.c (stream_out_histogram_value): Make assert more
1126         precise based on type of counter.
1128 2017-02-21  Uros Bizjak  <ubizjak@gmail.com>
1130         PR target/79593
1131         * config/i386/i386.md (standard_x87sse_constant_load splitter):
1132         Use nonimmediate_operand instead of memory_operand for operand 1.
1133         (float-extend standard_x87sse_constant_load splitter): Ditto.
1135 2017-02-21 Jeff Law  <law@redhat.com>
1137         PR tree-optimization/79621
1138         * gimple-ssa-isolate-paths.c (find_implicit_erroneous_behavior): Ignore
1139         blocks with edges to themselves.
1141 2017-02-21  Jakub Jelinek  <jakub@redhat.com>
1143         PR target/79633
1144         * tree-chkp-opt.c (chkp_optimize_string_function_calls): Use
1145         is_gimple_call instead of comparing gimple_code with GIMPLE_CALL.
1146         Use gimple_call_builtin_p.
1148         PR target/79570
1149         * sel-sched.c (moveup_expr_cached): Don't call sel_bb_head
1150         on temporarily removed DEBUG_INSNs.
1152         PR tree-optimization/79649
1153         * tree-loop-distribution.c (classify_partition): Give up on
1154         non-generic address space loads/stores.
1156 2017-02-21  Aldy Hernandez  <aldyh@redhat.com>
1158         * doc/loop.texi (Loop manipulation): Remove nonexistent
1159         tree_ssa_loop_version from the documentation.
1160         * cfgloopmanip.c (loop_version): Document CONDITION_BB argument.
1162 2017-02-21  Jakub Jelinek  <jakub@redhat.com>
1164         PR target/79494
1165         * config/i386/i386.c (ix86_expand_split_stack_prologue): Call
1166         make_reg_eh_region_note_nothrow_nononlocal on call_insn.
1167         * config/rs6000/rs6000.c: Include except.h.
1168         (rs6000_expand_split_stack_prologue): Call
1169         make_reg_eh_region_note_nothrow_nononlocal on the call insn.
1171 2017-02-21  Martin Jambor  <mjambor@suse.cz>
1173         PR lto/79579
1174         * ipa-prop.c (ipa_prop_write_jump_functions): Bail out if no edges
1175         have been analyzed.
1177 2017-02-21  Martin Jambor  <mjambor@suse.cz>
1179         * common.opt (-fipa-cp-alignment): Mark as ignored and preserved
1180         for backward compatibility only.
1181         * doc/invoke.texi (Option Summary): Remove all references to
1182         -fipa-cp-alignment.
1184 2017-02-21  Matthew Fortune  <matthew.fortune@imgtec.com>
1186         PR target/78660
1187         Revert:
1188         2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
1190         * lra-constraints.c (curr_insn_transform): Handle
1191         WORD_REGISTER_OPERATIONS requirements when reloading SUBREGs.
1193 2017-02-21  Martin Liska  <mliska@suse.cz>
1195         * config/i386/i386.opt: Replace -masm-dialect with -masm.
1197 2017-02-21  Thomas Schwinge  <thomas@codesourcery.com>
1199         PR translation/79638
1200         * config/nvptx/nvptx.c (ENTRY_TEMPLATE): Single out "%ntid.y".
1202 2017-02-21  Eric Botcazou  <ebotcazou@adacore.com>
1204         PR ada/67205
1205         * config/arm/arm.c (TARGET_CUSTOM_FUNCTION_DESCRIPTORS): Define.
1206         (arm_function_ok_for_sibcall): Return false for an indirect call by
1207         descriptor if all the argument registers are used.
1208         (arm_relayout_function): Use FUNCTION_ALIGNMENT macro to adjust the
1209         alignment of the function.
1211 2017-02-21  Jakub Jelinek  <jakub@redhat.com>
1213         PR tree-optimization/61441
1214         * simplify-rtx.c (simplify_const_unary_operation): For
1215         -fsignaling-nans and sNaN operand, return NULL_RTX rather than
1216         the sNaN unmodified.
1218 2017-02-20  Bernd Edlinger  <bernd.edlinger@hotmail.de>
1220         * Makefile.in (BUILD_SYSTEM_HEADER_DIR): New make variabe.
1221         (LIMITS_H_TEST, if_multiarch, stmp-fixinc): Use BUILD_SYSTEM_HEADER_DIR
1222         instead of SYSTEM_HEADER_DIR.
1224 2017-02-20  Gerald Pfeifer  <gerald@pfeifer.com>
1225             Martin LiÅ¡ka  <mliska@suse.cz>
1227         * doc/invoke.texi (use-after-scope-direct-emission-threshold):
1228         Fix typos and grammar, use active voice, and clarify.
1230 2017-02-20  Marek Polacek  <polacek@redhat.com>
1232         PR middle-end/79537
1233         * gimplify.c (gimplify_expr): Handle unused *&&L;.
1235         PR sanitizer/79558
1236         * ubsan.c (ubsan_type_descriptor): Check if TYPE_MAX_VALUE is null.
1238 2017-02-20  Jakub Jelinek  <jakub@redhat.com>
1240         PR target/79568
1241         * config/i386/i386.c (ix86_expand_builtin): Handle
1242         OPTION_MASK_ISA_AVX512VL and OPTION_MASK_ISA_64BIT in
1243         ix86_builtins_isa[fcode].isa as a requirement of those
1244         flags and any other flag in the bitmask.
1245         (ix86_init_mmx_sse_builtins): Use 0 instead of
1246         ~OPTION_MASK_ISA_64BIT as mask.
1247         * config/i386/i386-builtin.def (__builtin_ia32_rdtsc,
1248         __builtin_ia32_rdtscp, __builtin_ia32_pause, __builtin_ia32_bsrsi,
1249         __builtin_ia32_rdpmc, __builtin_ia32_rolqi, __builtin_ia32_rolhi,
1250         __builtin_ia32_rorqi, __builtin_ia32_rorhi): Likewise.
1252 2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
1254         PR target/78012
1255         * lra-constraints.c (split_reg): Check requested split mode
1256         is supported by the register.
1258 2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
1260         * lra-constraints.c (simplify_operand_subreg): Remove early
1261         return false.
1263 2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
1265         PR target/78660
1266         * lra-constraints.c (curr_insn_transform): Tighten condition
1267         for converting SUBREG reloads from OP_OUT to OP_INOUT.
1269 2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
1271         PR target/78660
1272         * lra-constraints.c (curr_insn_transform): Handle
1273         WORD_REGISTER_OPERATIONS requirements when reloading SUBREGs.
1275 2017-02-19  Uros Bizjak  <ubizjak@gmail.com>
1277         Revert:
1278         2016-05-30  Uros Bizjak  <ubizjak@gmail.com>
1280         * config/i386/sync.md (mfence_nosse): Use "lock orl $0, -4(%esp)".
1282 2017-02-19  Jonathan Wakely  <jwakely@redhat.com>
1284         PR c++/69523
1285         * doc/invoke.texi (C++ Dialect Options) [-Wliteral-suffix]: Update
1286         description.
1288 2017-02-19  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
1290         * gimple-pretty-print.c (dump_ternary_rhs): Adjust gimple dump format
1291         for FMA_EXPR.
1293 2017-02-18  Jakub Jelinek  <jakub@redhat.com>
1295         * final.c (last_columnnum, override_columnnum): New variables.
1296         (final_start_function): Set last_columnnum, pass it to begin_prologue
1297         hook and pass 0 to dwarf2out_begin_prologue.
1298         (final_scan_insn): Update override_columnnum.  Pass last_columnnum
1299         to source_line debug hook.
1300         (notice_source_line): Compute last_columnnum and for debug_column_info
1301         return true on column changes.
1302         * debug.h (struct gcc_debug_hooks): Add column argument to
1303         source_line and begin_prologue hooks.
1304         (debug_nothing_int_charstar_int_bool): Remove prototype.
1305         (debug_nothing_int_int_charstar,
1306         debug_nothing_int_int_charstar_int_bool): New prototypes.
1307         (dwarf2out_begin_prologue): Add column argument.
1308         * debug.c (do_nothing_debug_hooks): Adjust source_line and
1309         begin_prologue hooks.
1310         (debug_nothing_int_charstar_int_bool): Remove.
1311         (debug_nothing_int_int_charstar,
1312         debug_nothing_int_int_charstar_int_bool): New functions.
1313         * dwarf2out.c (dwarf2out_begin_prologue): Add column argument, pass it
1314         through to dwarf2out_source_line.
1315         (dwarf2_lineno_debug_hooks): Adjust begin_prologue hook.
1316         (dwarf2out_source_line): Add column argument, emit it if requested.
1317         * sdbout.c (sdbout_source_line, sdbout_begin_prologue): Add column
1318         arguments.
1319         * xcoffout.h (xcoffout_begin_prologue, xcoffout_source_line): Likewise.
1320         * xcoffout.c (xcoffout_begin_prologue, xcoffout_source_line): Likewise.
1321         * vmsdbgout.c (vmsdbgout_begin_prologue): Add column argument, pass it
1322         through to dwarf2out_begin_prologue.
1323         (vmsdbgout_source_line): Add column argument, pass it through to
1324         dwarf2out_source_line.
1325         * dbxout.c (dbxout_begin_prologue): Add column argument, adjust
1326         dbxout_source_line caller.
1327         (dbxout_source_line): Add column argument.
1329         * common.opt (gno-column-info, gcolumn-info): New options.
1330         * dwarf2out.c (dwarf2_lineno_debug_hooks): Formatting fix.
1331         (check_die): Also test for multiple DW_AT_decl_column attributes.
1332         (add_src_coords_attributes, dwarf2out_imported_module_or_decl_1): Add
1333         DW_AT_decl_column if requested.
1334         (gen_subprogram_die): Compare and/or add also DW_AT_decl_column
1335         if requested.
1336         (gen_variable_die): Likewise.
1337         (add_call_src_coords_attributes): Add DW_AT_call_column if requested.
1338         * doc/invoke.texi (-gcolumn-info, -gno-column-info): Document.
1340         PR target/79569
1341         * config/i386/i386.opt (m3dnowa): Replace Undocumented with Report.
1342         * common/config/i386/i386-common.c (OPTION_MASK_ISA_3DNOW_A_SET): Define.
1343         (ix86_handle_option): Handle OPT_m3dnowa.
1344         * doc/invoke.texi (-m3dnowa): Document.
1345         * doc/extend.texi (__builtin_ia32_pmulhuw, __builtin_ia32_pf2iw): Use
1346         -m3dnowa instead of -m3dnow -march=athlon.
1348         PR target/79559
1349         * config/i386/i386.c (ix86_print_operand): Use output_operand_lossage
1350         instead of gcc_assert for K, r and R code checks.  Formatting fixes.
1352 2017-02-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1354         PR target/79261
1355         * config/rs6000/rs6000.c (rs6000_expand_ternop_builtin): Add
1356         support for CODE_FOR_vsx_xxpermdi_v2d[fi]_be.
1357         * config/rs6000/rs6000.md (reload_gpr_from_vsx<mode>): Call
1358         generator for vsx_xxpermdi_<mode>_be.
1359         * config/rs6000/vsx.md (vsx_xxpermdi_<mode>): Remove logic to
1360         force big-endian semantics.
1361         (vsx_xxpermdi_<mode>_be): New define_expand with same
1362         implementation as previous version of vsx_xxpermdi_<mode>.
1364 2017-02-17  Jakub Jelinek  <jakub@redhat.com>
1366         PR tree-optimization/79327
1367         * gimple-ssa-sprintf.c (format_integer): Remove likely_adjust
1368         variable, its initialization and use.
1370 2017-02-17  Julia Koval  <julia.koval@intel.com>
1372         * common/config/i386/i386-common.c (OPTION_MASK_ISA_RDPID_SET): New.
1373         (OPTION_MASK_ISA_PKU_UNSET): New.
1374         (ix86_handle_option): Handle -mrdpid.
1375         * config/i386/cpuid.h (bit_RDPID): New.
1376         * config/i386/driver-i386.c (host_detect_local_cpu):
1377         Detect RDPID feature.
1378         * config/i386/i386-builtin.def (__builtin_ia32_rdpid): New.
1379         * config/i386/i386-c.c (ix86_target_macros_internal):
1380         Handle RDPID flag.
1381         * config/i386/i386.c (ix86_target_string): Add -mrdpid to isa2_opts.
1382         (ix86_valid_target_attribute_inner_p): Add "rdpid".
1383         (ix86_expand_builtin): Handle IX86_BUILTIN_RDPID.
1384         * config/i386/i386.h (TARGET_RDPID, TARGET_RDPID_P): New.
1385         * config/i386/i386.md (define_insn "rdpid"): New.
1386         * config/i386/i386.opt Add -mrdpid.
1387         * config/i386/immintrin.h (_rdpid_u32): New.
1389 2017-02-17  Vladimir Makarov  <vmakarov@redhat.com>
1391         PR rtl-optimization/79541
1392         * lra-constraints.c (curr_insn_transform): Remove wrong asm insn
1393         instead of transforming it into USE.
1395 2017-02-17  Segher Boessenkool  <segher@kernel.crashing.org>
1397         * config/rs6000/rs6000.md (extendsfdf2): Remove default arguments.
1398         If HONOR_SNANS (SFmode) force the input to a register.
1399         (*extendsfdf2_fpr): Add !HONOR_SNANS (SFmode) condition.
1400         (*extendsfdf2_snan): New pattern, used when using SNaNs; it generates
1401         an frsp or similar insn.
1403 2017-02-17  Martin Liska  <mliska@suse.cz>
1405         PR rtl-optimization/79577
1406         * params.def (selsched-max-sched-times): Increase minimum to 1.
1408 2017-02-17  Martin Liska  <mliska@suse.cz>
1410         PR rtl-optimization/79574
1411         * gcse.c (want_to_gcse_p): Prevent integer overflow.
1413 2017-02-17  Martin Liska  <mliska@suse.cz>
1415         PR tree-optimization/79529
1416         * tree-ssa-loop-unswitch.c (is_maybe_undefined): Use
1417         ssa_defined_default_def_p to handle cases which are implicitly
1418         defined.
1419         * tree-ssa.c (ssa_defined_default_def_p): New function.
1420         (ssa_undefined_value_p): Use ssa_defined_default_def_p to handle cases
1421         which are implicitly defined.
1422         * tree-ssa.h (ssa_defined_default_def_p): Declare.
1424 2017-02-17  Richard Biener  <rguenther@suse.de>
1426         PR middle-end/79576
1427         * params.def (max-ssa-name-query-depth): Limit to 10.
1429 2017-02-17  Richard Biener  <rguenther@suse.de>
1431         PR tree-optimization/79552
1432         * tree-ssa-structalias.c (visit_loadstore): Properly verify
1433         default defs.
1435 2017-02-17  Richard Biener  <rguenther@suse.de>
1437         PR bootstrap/79567
1438         * genmatch.c (output_line_directive): Handle DIR_SEPARATOR_2.
1440 2017-02-17  Marek Polacek  <polacek@redhat.com>
1442         PR middle-end/79536
1443         * fold-const.c (fold_negate_expr_1): Renamed from fold_negate_expr.
1444         (fold_negate_expr): New wrapper.
1446 2017-02-16  Sandra Loosemore  <sandra@codesourcery.com>
1448         * doc/invoke.texi (C++ Dialect Options) [-Wno-non-template-friend]: 
1449         Correct terminology and de-emphasize pre-standard behavior.
1451 2017-02-16  Alan Modra  <amodra@gmail.com>
1453         PR rtl-optimization/79286
1454         * ira.c (def_dominates_uses): New function.
1455         (update_equiv_regs): Don't create an equivalence for insns that
1456         may trap where the register def does not dominate the use.
1458 2017-02-16  Vladimir Makarov  <vmakarov@redhat.com>
1460         PR rtl-optimization/78127
1461         * lra.c (lra): Call lra_eliminate before finish the loop after
1462         lra_constraint.
1464 2017-02-16  Richard Biener  <rguenther@suse.de>
1466         * graphite.h: Do not include isl/isl_val_gmp.h, instead include
1467         isl/isl_val.h.
1468         * graphite-isl-ast-to-gimple.c (gmp_cst_to_tree): Remove.
1469         (gcc_expression_from_isl_expr_int): Use generic isl_val interface.
1470         * graphite-sese-to-poly.c: Do not include isl/isl_val_gmp.h.
1471         (isl_val_int_from_wi): New function.
1472         (extract_affine_gmp): Rename to ...
1473         (extract_affine_wi): ... this, take a widest_int.
1474         (extract_affine_int): Just wrap extract_affine_wi.
1475         (add_param_constraints): Use isl_val_int_from_wi.
1476         (add_loop_constraints): Likewise, and extract_affine_wi.
1478 2017-02-15 Jeff Law  <law@redhat.com>
1480         PR middle-end/79521
1481         * ira-costs.c (scan_one_insn): Check have_regs_of_mode before calling
1482         ira_init_register_move_cost_if_necessary.
1484 2017-02-15  Martin Sebor  <msebor@redhat.com>
1486         PR middle-end/32003
1487         * doc/invoke.texi (-fdump-final-insns): Replace option accidentally
1488         removed in a prior commit.
1490 2017-02-15  Bin Cheng  <bin.cheng@arm.com>
1492         PR tree-optimization/79347
1493         * tree-vect-loop-manip.c (vect_do_peeling): Maintain profile
1494         counters during peeling.
1496 2017-02-15  Thomas Schwinge  <thomas@codesourcery.com>
1498         * Makefile.in (site.exp): Remove "set ISLVER".
1500 2017-02-15  Jakub Jelinek  <jakub@redhat.com>
1502         PR target/79487
1503         * real.c (real_from_integer): Call real_convert even for decimal.
1505 2017-02-15  Dominik Vogt  <vogt@linux.vnet.ibm.com>
1507         PR target/79421
1508         * config/s390/s390.c: define TARGET_CUSTOM_FUNCTION_DESCRIPTORS.
1510 2017-02-14  Andrew Pinski  <apinski@cavium.com>
1512         * config/aarch64/aarch64-cores.def (thunderx2t99): Move to under 'C"
1513         cores and change the partno/implementer to be correct.
1514         (thunderx2t99p1): New core which replaces thunderx2t99 and still has
1515         the 'B" as the implementer.
1516         * config/aarch64/aarch64-tune.md: Regenerate.
1518 2017-02-14  Carl Love  <cel@us.ibm.com>
1520         * config/rs6000/rs6000.c: Add case statement entry to make the
1521         xvcvuxdsp built-in argument unsigned.
1522         * config/rs6000/vsx.md: Fix the source and return operand types so they
1523         match the instruction definitions from the ISA document.  Fix typo
1524         in the instruction generation for the (define_insn "vsx_xvcvuxdsp"
1525         statement.
1527 2017-02-14  Vladimir Makarov  <vmakarov@redhat.com>
1529         PR target/79282
1530         * lra-int.h (struct lra_operand_data, struct lra_insn_reg): Add
1531         member early_clobber_alts.
1532         * lra-lives.c (reg_early_clobber_p): New.
1533         (process_bb_lives): Use it.
1534         * lra.c (new_insn_reg): New arg early_clobber_alts.  Use it.
1535         (debug_operand_data): Initialize early_clobber_alts.
1536         (setup_operand_alternative): Set up early_clobber_alts.
1537         (collect_non_operand_hard_regs): Ditto.  Pass early clobber
1538         alternatives to new_insn_reg.
1539         (add_regs_to_insn_regno_info): Add arg early_clobber_alts.  Use
1540         it.
1541         (lra_update_insn_regno_info): Pass the new arg.
1543 2017-02-14  Jakub Jelinek  <jakub@redhat.com>
1545         PR middle-end/79505
1546         * omp-offload.c (free_oacc_loop): Release loop->ifns vector.
1547         (new_oacc_loop_raw): Don't clear already cleared fields.
1549         PR target/79481
1550         * config/i386/avx512pfintrin.h (_mm512_prefetch_i32gather_pd,
1551         _mm512_prefetch_i32gather_ps, _mm512_prefetch_i64gather_pd,
1552         _mm512_prefetch_i64gather_ps): New inline functions and macros.
1554 2017-02-14  Uros Bizjak  <ubizjak@gmail.com>
1556         PR target/79495
1557         * config/i386/i386.md (*movxf_internal): Add (o,rC) alternative.
1559 2017-02-14  H.J. Lu  <hongjiu.lu@intel.com>
1561         PR target/79498
1562         * config/i386/i386.c (timode_scalar_chain::convert_insn): Insert
1563         the extra instruction to the right place to store 128-bit constant
1564         when needed.
1566 2017-02-14  Martin Sebor  <msebor@redhat.com>
1568         PR middle-end/79448
1569         * gimple-ssa-sprintf.c (format_directive): Avoid issuing INT_MAX
1570           warning for strings of unknown length.
1572 2017-02-13  Segher Boessenkool  <segher@kernel.crashing.org>
1574         * config.gcc (supported_defaults) [powerpc*-*-*]: Update.
1576 2017-02-14 Jeff Law  <law@redhat.com>
1578         PR target/79404
1579         * ira-costs.c (scan_one_insn): Initialize register move costs
1580         for pseudos seen in USE/CLOBBER insns.
1582         PR tree-optimization/79095
1583         * tree-vrp.c (extract_range_from_binary_expr_1): For EXACT_DIV_EXPR,
1584         if the numerator has the range ~[0,0] make the resultant range ~[0,0].
1585         (extract_range_from_binary_expr): For MINUS_EXPR with no derived range,
1586         if the operands are known to be not equal, then the resulting range
1587         is ~[0,0].
1588         (intersect_ranges): If the new range is ~[0,0] and the old range is
1589         wide, then prefer ~[0,0].
1590         * tree-vrp.c (overflow_comparison_p_1): New function.
1591         (overflow_comparison_p): New function.
1592         * tree-vrp.c (register_edge_assert_for_2): Register additional asserts
1593         if NAME is used in an overflow test.
1594         (vrp_evaluate_conditional_warnv_with_ops): If the ops represent an
1595         overflow check that can be expressed as an equality test, then adjust
1596         ops to be that equality test.
1598 2017-02-14  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
1600         * config/s390/s390-builtin-types.def: Remove flags argument.
1601         * config/s390/s390.c (s390_init_builtins): Likewise.
1603 2017-02-14  Martin Liska  <mliska@suse.cz>
1605         * tree-ssa-loop-unswitch.c (hoist_guard): Release get_loop_body
1606         vector.  Fix trailing white spaces.
1608 2017-02-14  James Greenhalgh  <james.greenhalgh@arm.com>
1610         * config/aarch64/aarch64.c (aarch64_simd_container_mode): Handle
1611         HFmode.
1613 2017-02-14  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1615         PR rtl-optimization/68664
1616         * config/arm/arm.c (arm_sched_can_speculate_insn):
1617         New function.  Declare prototype.
1618         (TARGET_SCHED_CAN_SPECULATE_INSN): Define.
1620 2017-02-14  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1622         PR rtl-optimization/68664
1623         * config/aarch64/aarch64.c (aarch64_sched_can_speculate_insn):
1624         New function.
1625         (TARGET_SCHED_CAN_SPECULATE_INSN): Define.
1627 2017-02-14  Amit Pawar  <amit.pawar@amd.com>
1629         * config/i386/i386.c (znver1_cost): Fix the alignment for function and
1630         max skip bytes for function, loop and jump.
1632 2017-02-14  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
1634         * gimple-pretty-print.c (dump_unary_rhs): Adjust dump format for
1635         ABS_EXPR for gimple dump.
1637 2017-02-14  Jakub Jelinek  <jakub@redhat.com>
1639         PR target/79462
1640         * config/sh/sh.c (expand_cbranchdi4): Don't clear operands[4].
1642         PR tree-optimization/79408
1643         * tree-vrp.c (simplify_div_or_mod_using_ranges): Handle also the
1644         case when on TRUNC_MOD_EXPR op0 is INTEGER_CST.
1645         (simplify_stmt_using_ranges): Call simplify_div_or_mod_using_ranges
1646         also if rhs1 is INTEGER_CST.
1648 2017-02-14  Richard Biener  <rguenther@suse.de>
1650         PR middle-end/79432
1651         * tree-into-ssa.c (insert_phi_nodes): When the function can
1652         have abnormal edges rewrite SSA names with broken use-def
1653         dominance out of SSA and register them for PHI insertion.
1655 2017-02-13  Martin Sebor  <msebor@redhat.com>
1657         PR middle-end/79496
1658         * gimple-ssa-sprintf.c (pass_sprintf_length::handle_gimple_call): Avoid
1659         clearing info.nowrite flag when snprintf size argument is a range.
1661 2017-02-13  Jakub Jelinek  <jakub@redhat.com>
1663         * cprop.c (cprop_jump): Add missing space in string literal.
1664         * tree-ssa-structalias.c (rewrite_constraints): Likewise.
1665         (get_constraint_for_component_ref): Likewise.
1666         * df-core.c (df_worklist_dataflow_doublequeue): Likewise.
1667         * tree-outof-ssa.c (insert_partition_copy_on_edge): Likewise.
1668         * lra-constraints.c (process_alt_operands): Likewise.
1669         * ipa-inline.c (inline_small_functions): Likewise.
1670         * tree-ssa-sccvn.c (visit_reference_op_store): Likewise.
1671         * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Likewise.
1672         * trans-mem.c (diagnose_tm_1_op): Likewise.
1673         * omp-grid.c (grid_find_single_omp_among_assignments): Likewise.
1674         (grid_parallel_clauses_gridifiable): Likewise.
1676         * config/nvptx/mkoffload.c (process): Add space in between
1677         , and %d.
1679         * config/i386/i386.h (REG_CLASS_NAMES): Add , in between
1680         "MOD4_SSE_REGS" and "ALL_REGS".
1682         * spellcheck.c (test_data): Add , in between "foo" and "food".
1684 2017-02-13  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
1686         PR target/79449
1687         * config/rs6000/rs6000.c (expand_block_compare): Make sure runtime
1688         boundary crossing check and subsequent code generation agree.
1690 2017-02-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1692         * config/aarch64/aarch64.c (has_memory_op): Delete.
1693         (aarch64_madd_needs_nop): Use contains_mem_rtx_p instead of
1694         has_memory_op.
1696 2017-02-13  Jakub Jelinek  <jakub@redhat.com>
1698         PR rtl-optimization/79388
1699         PR rtl-optimization/79450
1700         * combine.c (distribute_notes): When removing TEM_INSN for which
1701         corresponding dest has last value recorded, invalidate that last
1702         value.
1704 2017-02-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1706         * config/arm/arm.c (arm_print_tune_info): Use ASM_COMMENT_START instead
1707         of explicit '@'.  Add missing assembly comment marker on branch costs
1708         printout.
1710 2017-02-13  Nathan Sidwell  <nathan@acm.org>
1712         * gengtype-lex.l (<in_struct>): Add '/'.
1714 2017-02-13  Martin Liska  <mliska@suse.cz>
1716         PR c/79471
1717         * calls.c (expand_call): Replace XALLOCAVEC with XCNEWVEC.
1719 2017-02-13  Richard Biener  <rguenther@suse.de>
1721         * configure.ac (HAVE_ISL_OPTIONS_SET_SCHEDULE_SERIALIZE_SCCS):
1722         Remove.
1723         * configure: Re-generate.
1724         * config.in: Likewise.
1725         * graphite-dependences.c: Simplify as if
1726         HAVE_ISL_OPTIONS_SET_SCHEDULE_SERIALIZE_SCCS was defined.
1727         * graphite-isl-ast-to-gimple.c: Likewise.
1728         * graphite-optimize-isl.c: Likewise.
1729         * graphite-poly.c: Likewise.
1730         * graphite-sese-to-poly.c: Likewise.
1731         * graphite.h: Likewise.
1732         * toplev.c: Include isl/version.h and use isl_version () for
1733         printing the ISL version.
1734         * doc/install.texi: Update ISL requirement.
1736 2017-02-12  Gerald Pfeifer  <gerald@pfeifer.com>
1738         * doc/standards.texi (Standards): Update reference to
1739         Objective-C 2.0.
1741 2017-02-12  Gerald Pfeifer  <gerald@pfeifer.com>
1742         
1743         * doc/extend.texi (Named Address Spaces): sourceware.org now
1744         defaults to https.
1745         * doc/install.texi (Binaries): Ditto.
1746         (Specific): Ditto.
1748 2017-02-11  Sandra Loosemore  <sandra@codesourcery.com>
1750         * doc/cpp.texi: Replace "stringify"/"stringification" with C 
1751         standard terminology "stringize"/"stringizing" throughout.
1752         * doc/cppinternals.texi: Likewise.
1754 2017-02-11  Sandra Loosemore  <sandra@codesourcery.com>
1756         * doc/extend.texi: Fix some spelling mistakes and typos.
1757         * doc/invoke.texi: Likewise.
1759 2017-02-11  Jan Hubicka  <hubicka@ucw.cz>
1761         PR ipa/79224
1762         * params.def (inline-min-speedup) Change from 10 to 8.
1764 2017-02-11  Jakub Jelinek  <jakub@redhat.com>
1766         * doc/invoke.texi (fopenmp): Bump OpenMP version from 4.0 to
1767         4.5.
1769 2017-02-11  Jan Hubicka  <hubicka@ucw.cz>
1771         PR ipa/79224
1772         * ipa-inline-analysis.c (get_minimal_bb): New function.
1773         (record_modified): Use it.
1774         (remap_edge_change_prob): Handle also ancestor functions.
1776 2017-02-11  Gerald Pfeifer  <gerald@pfeifer.com>
1778         * doc/contrib.texi (Contributors): Remove broken link into
1779         the Mauve CVS repository.
1781 2017-02-11  Jakub Jelinek  <jakub@redhat.com>
1783         PR middle-end/79454
1784         * internal-fn.c (expand_vector_ubsan_overflow): Use piece-wise
1785         result computation whenever lhs doesn't have vector mode, not
1786         just when it has BLKmode.
1788 2017-02-10  Gerald Pfeifer  <gerald@pfeifer.com>
1790         * doc/makefile.texi (profiledbootstrap): Refer to the
1791         installation instructions only in textual form.
1793 2017-02-10  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
1795         PR target/79295
1796         * config/rs6000/altivec.md (bcd<bcd_add_sub>): Fix constraints.
1798 2017-02-10  Gerald Pfeifer  <gerald@pfeifer.com>
1800         * doc/install.texi (Specific): Use https for blackfin.uclinux.org.
1801         (Specific): Update mingw-w64 reference.
1802         (Binaries): Ditto.
1803         (Specific): Remove broken link to Renesas RX processor.
1805 2017-02-10  Richard Biener  <rguenther@suse.de>
1807         * toplev.c (process_options): Do not mention obsolete graphite
1808         options when printing sorry message about missing graphite support.
1809         Mention -floop-nest-optimize.
1811 2017-02-10  Christophe Lyon  <christophe.lyon@linaro.org>
1813         * config/aarch64/arm_neon.h (vtst_p8): Rewrite without asm.
1814         (vtst_p16): Likewise.
1815         (vtstq_p8): Likewise.
1816         (vtstq_p16): Likewise.
1817         (vtst_p64): New.
1818         (vtstq_p64): Likewise.
1819         * config/arm/arm_neon.h (vgetq_lane_p64): New.
1820         (vset_lane_p64): New.
1821         (vsetq_lane_p64): New.
1823 2017-02-10  Jakub Jelinek  <jakub@redhat.com>
1825         PR tree-optimization/79411
1826         * tree-ssa-reassoc.c (is_reassociable_op): Return false if
1827         stmt operands are SSA_NAMEs used in abnormal phis.
1828         (can_reassociate_p): Return false if op is SSA_NAME used in abnormal
1829         phis.
1831 2017-02-09  Jan Hubicka  <hubicka@ucw.cz>
1833         PR ipa/70795
1834         * cgraphunit.c (cgraph_node::add_new_function): Set externally_visible
1835         flag if needed.
1837 2017-02-09  Jan Hubicka  <hubicka@ucw.cz>
1839         * tree-ssa-loop-unswitch.c (hoist_guard): Update profile.
1841 2017-02-09  Jakub Jelinek  <jakub@redhat.com>
1843         * omp-offload.c (oacc_loop_auto_partitions): Use || instead of |
1844         to avoid warning.
1846         PR c/79413
1847         * gimplify.h (is_gimple_sizepos): Only test for INTEGER_CST constants,
1848         not arbitrary TREE_CONSTANT.
1850         PR c/79431
1851         * gimplify.c (gimplify_adjust_omp_clauses): Ignore
1852         "omp declare target link" attribute unless is_global_var.
1853         * omp-offload.c (find_link_var_op): Likewise.
1855 2017-02-09  Nathan Sidwell  <nathan@codesourcery.com>
1856             Chung-Lin Tang  <cltang@codesourcery.com>
1858         * gimplify.c (gimplify_scan_omp_clauses): No special handling for
1859         OMP_CLAUSE_TILE.
1860         (gimplify_adjust_omp_clauses): Don't delete TILE.
1861         (gimplify_omp_for): Deal with TILE.
1862         * internal-fn.c (expand_GOACC_TILE): New function.
1863         * internal-fn.def (GOACC_DIM_POS): Comment may be overly conservative.
1864         (GOACC_TILE): New.
1865         * omp-expand.c (struct oacc_collapse): Add tile and outer fields.
1866         (expand_oacc_collapse_init): Add LOC paramter.  Initialize tile
1867         element fields.
1868         (expand_oacc_collapse_vars): Add INNER parm, adjust for tiling,
1869         avoid DIV for outermost collapse var.
1870         (expand_oacc_for): Insert tile element loop as needed.  Adjust.
1871         Remove out of date comments, fix whitespace.
1872         * omp-general.c (omp_extract_for_data): Deal with tiling.
1873         * omp-general.h (enum oacc_loop_flags): Add OLF_TILE flag,
1874         adjust OLF_DIM_BASE value.
1875         (struct omp_for_data): Add tiling field.
1876         * omp-low.c (scan_sharing_clauses): Allow OMP_CLAUSE_TILE.
1877         (lower_oacc_head_mark): Add OLF_TILE as appropriate.  Ensure 2 levels
1878         for auto loops.  Remove default auto determining, moved to
1879         oacc_loop_fixed_partitions.
1880         * omp-offload.c (struct oacc_loop): Change 'ifns' to vector of call
1881         stmts, add e_mask field.
1882         (oacc_dim_call): New function, abstracted out from oacc_thread_numbers.
1883         (oacc_thread_numbers): Use oacc_dim_call.
1884         (oacc_xform_tile): New.
1885         (new_oacc_loop_raw): Initialize e_mask, adjust for ifns vector.
1886         (finish_oacc_loop): Adjust for ifns vector.
1887         (oacc_loop_discover_walk): Append loop abstraction sites to list,
1888         add case for GOACC_TILE fns.
1889         (oacc_loop_xform_loop): Delete.
1890         (oacc_loop_process): Iterate over call list directly, and add
1891         handling for GOACC_TILE fns.
1892         (oacc_loop_fixed_partitions): Determine default auto, deal with TILE,
1893         dump partitioning.
1894         (oacc_loop_auto_partitions): Add outer_assign parm. Assign all but
1895         vector partitioning to outer loops.  Assign 2 partitions to loops
1896         when available. Add TILE handling.
1897         (oacc_loop_partition): Adjust oacc_loop_auto_partitions call.
1898         (execite_oacc_device_lower): Process GOACC_TILE fns, ignore unknown specs.
1899         * tree-nested.c (convert_nonlocal_omp_clauses): Allow OMP_CLAUSE_TILE.
1900         * tree.c (omp_clause_num_ops): Adjust TILE ops.
1901         * tree.h (OMP_CLAUSE_TILE_ITERVAR, OMP_CLAUSE_TILE_COUNT): New.
1903 2017-02-09  Gerald Pfeifer  <gerald@pfeifer.com>
1905         * configure.ac (ACX_BUGURL): Update.
1906         * configure: Regenerate.
1908 2017-02-09  Richard Biener  <rguenther@suse.de>
1910         PR tree-optimization/69823
1911         * graphite-scop-detection.c (scop_detection::harmful_loop_in_region):
1912         Properly enumerate all BBs in the region.  Use auto_vec/auto_bitmap.
1914 2017-02-09  Andrew Burgess  <andrew.burgess@embecosm.com>
1916         * config/arc/arc-c.def: Add __NPS400__ definition.
1917         * config/arc/arc.h (CPP_SPEC): Don't define __NPS400__ here.
1918         (TARGET_NPS400): Define.
1920 2017-02-09  Andrew Burgess  <andrew.burgess@embecosm.com>
1922         * config/arc/arc-arch.h (arc_arch_t): Move unchanged to earlier in
1923         file.
1924         (arc_cpu_t): Change base_architecture field, arch, to a arc_arc_t
1925         pointer, arch_info.
1926         (arc_cpu_types): Fill the arch_info field with a pointer into the
1927         arc_arch_types table.
1928         (arc_selected_cpu): Declare.
1929         * config/arc/arc.c (arc_selected_cpu): Make global.
1930         (arc_selected_arch): Delete.
1931         (arc_base_cpu): Delete.
1932         (arc_override_options): Remove references to deleted variables,
1933         update access to arch information.
1934         (ARC_OPT): Update access to arch information.
1935         (ARC_OPTX): Likewise.
1936         * config/arc/arc.h (arc_base_cpu): Remove declaration.
1937         (TARGET_ARC600): Update access to arch information.
1938         (TARGET_ARC601): Likewise.
1939         (TARGET_ARC700): Likewise.
1940         (TARGET_EM): Likewise.
1941         (TARGET_HS): Likewise.
1942         * config/arc/driver-arc.c (arc_cpu_to_as): Update access to arch
1943         information.
1945 2017-02-08  Pat Haugen  <pthaugen@us.ibm.com>
1947         PR target/78604
1948         * config/rs6000/rs6000.c (rs6000_emit_vector_cond_expr): Invert
1949         condition/operands for integer GE/LE/GEU/LEU operations.
1951 2017-02-08  Segher Boessenkool  <segher@kernel.crashing.org>
1953         PR translation/79397
1954         * config/rs6000/rs6000.opt (maltivec=le, maltivec=be): Fix spelling
1955         of AltiVec.
1957 2017-02-08  Martin Jambor  <mjambor@suse.cz>
1959         PR ipa/79375
1960         * ipa-prop.c (ipa_alloc_node_params): Make static, return bool
1961         whether allocation happened.
1962         (ipa_initialize_node_params): Do not call ipa_alloc_node_params if
1963         nothing was allocated.
1965 2017-02-08  Jakub Jelinek  <jakub@redhat.com>
1967         PR tree-optimization/79408
1968         * tree-vrp.c (simplify_div_or_mod_using_ranges): If op1 is not
1969         constant, but SSA_NAME with a known integer range, use the minimum
1970         of that range instead of op1 to determine if modulo can be replaced
1971         with its first operand.
1973 2016-02-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1975         * config/riscv/riscv.c (riscv_build_integer_1): Avoid use of INT16_MAX.
1977 2017-02-08  Richard Biener  <rguenther@suse.de>
1979         PR tree-optimization/71824
1980         * graphite-scop-detection.c (scop_detection::build_scop_breadth):
1981         Check all loops contained in the merged region.
1983 2017-02-07  Andrew Pinski  <apinski@cavium.com>
1985         * config/aarch64/aarch64.md (popcount<mode>2): New pattern.
1987 2017-02-07  Andrew Pinski  <apinski@cavium.com>
1989         * config/aarch64/aarch64-cores.def (thunderx): Disable LSE.
1990         (thunderxt88): Likewise.
1991         (thunderxt81): Disable LSE and change v8.1 to v8.
1992         (thunderxt83): Likewise.
1994 2017-02-07  Jakub Jelinek  <jakub@redhat.com>
1995             Richard Biener  <rguenther@suse.de>
1997         PR middle-end/79399
1998         * ira-int.h (struct target_ira_int): Change x_max_struct_costs_size
1999         type from int to size_t.
2000         * ira-costs.c (struct_costs_size): Change type from int to size_t.
2002 2017-02-07  Jakub Jelinek  <jakub@redhat.com>
2004         PR rtl-optimization/79386
2005         * cprop.c (bypass_conditional_jumps): Initialize
2006         bypass_last_basic_block already before splitting bbs after
2007         unconditional traps...
2008         (bypass_conditional_jumps): ... rather than here.
2010         PR target/79299
2011         * config/i386/sse.md (xtg_mode, gatherq_mode): New mode attrs.
2012         (*avx512f_gathersi<mode>, *avx512f_gathersi<mode>_2,
2013         *avx512f_gatherdi<mode>, *avx512f_gatherdi<mode>_2): Use them,
2014         fix -masm=intel patterns.
2016 2017-02-07  Richard Biener  <rguenther@suse.de>
2018         PR tree-optimization/79256
2019         PR middle-end/79278
2020         * builtins.c (get_object_alignment_2): Use min_align_of_type
2021         to extract alignment for MEM_REFs to honor BIGGEST_FIELD_ALIGNMENT
2022         and ADJUST_FIELD_ALIGN.
2024         * doc/tm.texi.in (ADJUST_FIELD_ALIGN): Adjust to take additional
2025         type parameter.
2026         * doc/tm.texi: Regenerate.
2027         * stor-layout.c (layout_decl): Adjust.
2028         (update_alignment_for_field): Likewise.
2029         (place_field): Likewise.
2030         (min_align_of_type): Likewise.
2031         * config/arc/arc.h (ADJUST_FIELD_ALIGN): Adjust.
2032         * config/epiphany/epiphany.h (ADJUST_FIELD_ALIGN): Likewise.
2033         * config/epiphany/epiphany.c (epiphany_adjust_field_align): Likewise.
2034         * config/frv/frv.h (ADJUST_FIELD_ALIGN): Likewise.
2035         * config/frv/frv.c (frv_adjust_field_align): Likewise.
2036         * config/i386/i386.h (ADJUST_FIELD_ALIGN): Likewise.
2037         * config/i386/i386.c (x86_field_alignment): Likewise.
2038         * config/rs6000/aix.h (ADJUST_FIELD_ALIGN): Likewise.
2039         * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Likewise.
2040         * config/rs6000/freebsd64.h (ADJUST_FIELD_ALIGN): Likewise.
2041         * config/rs6000/linux64.h (ADJUST_FIELD_ALIGN): Likewise.
2042         * config/rs6000/sysv4.h (ADJUST_FIELD_ALIGN): Likewise.
2043         * config/rs6000/rs6000.c (rs6000_special_adjust_field_align_p):
2044          Likewise.
2046         Revert
2047         2017-01-30  Richard Biener  <rguenther@suse.de>
2049         PR tree-optimization/79256
2050         * targhooks.c (default_builtin_vector_alignment_reachable): Honor
2051         BIGGEST_FIELD_ALIGNMENT and ADJUST_FIELD_ALIGN to fix up bogus
2052         alignment on TYPE.
2054 2017-02-07  Toma Tabacu  <toma.tabacu@imgtec.com>
2056         * config/mips/mips.c (mips_expand_builtin_insn): Convert the QImode
2057         argument of the pshufh, psllh, psllw, psrah, psraw, psrlh, psrlw
2058         builtins to SImode and emit a zero-extend, if necessary.
2060 2017-02-06  Palmer Dabbelt  <palmer@dabbelt.com>
2062         * docs/invoke.texi (RISC-V Options): Alphabetize.
2064 2017-02-06  Palmer Dabbelt  <palmer@dabbelt.com>
2066         * doc/invoke.texi (RISC-V Options): Use two spaces to separate
2067         options.
2069 2017-02-06  Palmer Dabbelt  <palmer@dabbelt.com>
2071         * config/riscv/riscv.c: New file.
2072         * gcc/common/config/riscv/riscv-common.c: Likewise.
2073         * config.gcc: Likewise.
2074         * config/riscv/constraints.md: Likewise.
2075         * config/riscv/elf.h: Likewise.
2076         * config/riscv/generic.md: Likewise.
2077         * config/riscv/linux.h: Likewise.
2078         * config/riscv/multilib-generator: Likewise.
2079         * config/riscv/peephole.md: Likewise.
2080         * config/riscv/pic.md: Likewise.
2081         * config/riscv/predicates.md: Likewise.
2082         * config/riscv/riscv-builtins.c: Likewise.
2083         * config/riscv/riscv-c.c: Likewise.
2084         * config/riscv/riscv-ftypes.def: Likewise.
2085         * config/riscv/riscv-modes.def: Likewise.
2086         * config/riscv/riscv-opts.h: Likewise.
2087         * config/riscv/riscv-protos.h: Likewise.
2088         * config/riscv/riscv.h: Likewise.
2089         * config/riscv/riscv.md: Likewise.
2090         * config/riscv/riscv.opt: Likewise.
2091         * config/riscv/sync.md: Likewise.
2092         * config/riscv/t-elf-multilib: Likewise.
2093         * config/riscv/t-linux: Likewise.
2094         * config/riscv/t-linux-multilib: Likewise.
2095         * config/riscv/t-riscv: Likewise.
2096         * configure.ac: Likewise.
2097         * doc/contrib.texi: Add Kito Cheng, Palmer Dabbelt, and Andrew
2098         Waterman as RISC-V maintainers.
2099         * doc/install.texi: Add RISC-V entries.
2100         * doc/invoke.texi: Add RISC-V options section.
2101         * doc/md.texi: Add RISC-V constraints section.
2102         * configure: Regenerated.
2104 2017-02-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
2106         PR target/66144
2107         * config/rs6000/vector.md (vcond<mode><mode>): Allow the true and
2108         false values to be constant vectors with all 0 or all 1 bits set.
2109         (vcondu<mode><mode>): Likewise.
2110         * config/rs6000/predicates.md (vector_int_reg_or_same_bit): New
2111         predicate.
2112         (fpmask_comparison_operator): Update comment.
2113         (vecint_comparison_operator): New predicate.
2114         * config/rs6000/rs6000.c (rs6000_emit_vector_cond_expr): Optimize
2115         vector conditionals when the true and false values are constant
2116         vectors with all 0 bits or all 1 bits set.
2118 2017-02-06  Martin Sebor  <msebor@redhat.com>
2120         PR  tree-optimization/79376
2121         * gimple-fold.c (get_range_strlen): Set the minimum length to zero.
2123 2017-02-06  Uros Bizjak  <ubizjak@gmail.com>
2125         * config/i386/sse.md (vector modes -> vec_extract* splitter): Use
2126         explicit subreg RTX with operand 1.  Use VECTOR_MODE_P predicate
2127         to simplify split condition.
2129 2017-02-06  Jakub Jelinek  <jakub@redhat.com>
2131         * omp-expand.c (oxpand_omp_atomic_fetch_op,
2132         expand_omp_atomic_pipeline): Return false if can_atomic_load_p is
2133         false.
2135 2017-02-06  Segher Boessenkool  <segher@kernel.crashing.org>
2137         PR rtl-optimization/68664
2138         * target.def (can_speculate_insn): New hook.
2139         * doc/tm.texi.in (TARGET_SCHED_CAN_SPECULATE_INSN): New hook.
2140         * doc/tm.texi: Regenerate.
2141         * sched-rgn.c (can_schedule_ready_p): Use the new hook.
2142         * config/rs6000/rs6000.c (TARGET_SCHED_CAN_SPECULATE_INSN): New macro.
2143         (rs6000_sched_can_speculate_insn): New function.
2145 2017-02-06  Jakub Jelinek  <jakub@redhat.com>
2147         PR tree-optimization/79284
2148         * tree-vectorizer.h (VECT_SCALAR_BOOLEAN_TYPE_P): Define.
2149         * tree-vect-stmts.c (vect_get_vec_def_for_operand,
2150         vectorizable_mask_load_store, vectorizable_operation,
2151         vect_is_simple_cond, get_same_sized_vectype): Use it instead
2152         of comparing TREE_CODE of a type against BOOLEAN_TYPE.
2153         * tree-vect-patterns.c (check_bool_pattern, search_type_for_mask_1,
2154         vect_recog_bool_pattern, vect_recog_mask_conversion_pattern): Likewise.
2155         * tree-vect-slp.c (vect_get_constant_vectors): Likewise.
2156         * tree-vect-loop.c (vect_determine_vectorization_factor): Likewise.
2157         Remove redundant gimple_code (stmt) == GIMPLE_ASSIGN test after
2158         is_gimple_assign (stmt).  Replace another such test with
2159         is_gimple_assign (stmt).
2161 2017-02-06  Georg-Johann Lay  <avr@gjlay.de>
2163         PR target/78883
2164         * config/avr/avr.c (rtl-iter.h): Include it.
2165         (TARGET_LEGITIMATE_COMBINED_INSN): New hook define...
2166         (avr_legitimate_combined_insn): ...and implementation.
2168 2017-02-06  Dominik Vogt  <vogt@linux.vnet.ibm.com>
2170         * config/s390/predicates.md ("larl_operand"): Use macros from hwint.h.
2171         * config/s390/s390.c (s390_const_operand_ok)
2172         (s390_canonicalize_comparison, s390_extract_part)
2173         (s390_single_part, s390_contiguous_bitmask_nowrap_p)
2174         (s390_contiguous_bitmask_p, s390_rtx_costs)
2175         (legitimize_pic_address): Likewise.
2176         * config/s390/s390.md ("clzdi2", "clztidi2"): Likewise.
2177         * config/s390/vx-builtins.md ("vec_genbytemaskv16qi")
2178         ("vec_permi<mode>", "vfae<mode>", "*vfaes<mode>", "vstrc<mode>")
2179         ("*vstrcs<mode>"): Use UINTVAL() to set unsigned HOST_WIDE_INT.
2180         * config/s390/vector.md ("vec_vfenes<mode>"): Likewise.
2182 2017-02-06  Georg-Johann Lay  <avr@gjlay.de>
2184         * config/avr/avr.md (*addhi3_zero_extend): Add alternative where
2185         REGNO($0) == REGNO($1).
2187 2017-02-06  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
2189         * config/s390/linux.h(SIZE_TYPE): Add comment.
2191 2017-02-06  Julian Brown  <julian@codesourcery.com>
2192             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
2193             Virendra Pathak  <virendra.pathak@broadcom.com>
2195         * config/aarch64/aarch64-cores.def: Change the scheduler
2196         to Thunderx2t99.
2197         * config/aarch64/aarch64.md: Include thunderx2t99.md.
2198         * config/aarch64/thunderx2t99.md: New file.
2200 2017-02-05  Gerald Pfeifer  <gerald@pfeifer.com>
2202         * doc/standards.texi (Go Language): Update link to language
2203         standard.
2205 2017-02-05  Jan Hubicka  <hubicka@ucw.cz>
2207         * tree-eh.c (lower_resx): Sanitize profile.
2208         (cleanup_empty_eh_move_lp): Likewise.
2210 2017-02-05  Jan Hubicka  <hubicka@ucw.cz>
2212         PR tree-ssa/79347
2213         * cfgloopmanip.c (lv_adjust_loop_entry_edge, loop_version): Add
2214         ELSE_PROB.
2215         * cfgloopmanip.h (loop_version): Update prototype.
2216         * modulo-sched.c (sms_schedule): Update call of loop_version.
2217         * tree-if-conv.c(version_loop_for_if_conversion): Likewise.
2218         * tree-parloops.c (gen_parallel_loop): Likewise.
2219         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Likewise.
2220         * tree-ssa-loop-split.c (split_loop): Likewise.
2221         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Likewise.
2222         * tree-vect-loop-manip.c (vect_loop_versioning): Likewise.
2224 2017-02-05  Martin Liska  <mliska@suse.cz>
2226         PR bootstrap/78985
2227         * config/s390/s390.c (s390_gimplify_va_arg): Initialize local
2228         variable to NULL.
2229         (print_operand_address): Initialize a struct to zero.
2231 2017-02-05  Gerald Pfeifer  <gerald@pfeifer.com>
2233         * doc/contrib.texi (Contributors): Refer to Hans Boehm's
2234         garbage collector only in textual form.
2236 2017-02-05  Gerald Pfeifer  <gerald@pfeifer.com>
2237         
2238         * doc/extend.texi (x86 specific memory model extensions for
2239         transactional memory): Simplify a phrase.
2241 2017-02-05  Eric Botcazou  <ebotcazou@adacore.com>
2243         PR target/79353
2244         * config/sparc/sync.md (atomic_loaddi_1): Replace 'U' constraint with
2245         'r', 'm' constraint with 'T' and !TARGET_ARCH64 with TARGET_ARCH32.
2246         (atomic_storedi_1): Likewise.
2248 2017-02-04  Jakub Jelinek  <jakub@redhat.com>
2250         PR tree-optimization/79338
2251         * tree-parloops.c (gather_scalar_reductions): Don't call
2252         vect_analyze_loop_form for loop->inner before destroying loop's
2253         loop_vinfo.
2255 2017-02-03  Martin Sebor  <msebor@redhat.com>
2257         PR tree-optimization/79327
2258         * gimple-ssa-sprintf.c (tree_digits): Avoid adding the base prefix
2259         when precision has resulted in leading zeros.
2260         (format_integer): Adjust the likely counter to assume an unknown
2261         argument that may be zero is non-zero.
2263 2017-02-03  Jason Merrill  <jason@redhat.com>
2265         PR c++/78689
2266         * tree-inline.c (copy_tree_body_r) [COND_EXPR]: Revert change to
2267         avoid copying non-taken branch.
2269 2017-02-03  Jakub Jelinek  <jakub@redhat.com>
2271         PR tree-optimization/79340
2272         * tree-vect-loop.c (vectorizable_reduction): Release
2273         vec_defs elements after safe_splicing them into other vectors.
2274         Formatting fixes.
2276         PR tree-optimization/79327
2277         * gimple-ssa-sprintf.c (adjust_range_for_overflow): If returning
2278         true, always set *argmin and *argmax to TYPE_{MIN,MAX}_VALUE of
2279         dirtype.
2280         (format_integer): Use wide_int_to_tree instead of build_int_cst
2281         + to_?hwi.  If argmin is NULL, just set argmin and argmax to
2282         TYPE_{MIN,MAX}_VALUE of argtype.  Simplify and fix computation
2283         of shortest and longest sequence.
2285 2017-02-03  Uros Bizjak  <ubizjak@gmail.com>
2287         * config/i386/i386.c (dimode_scalar_chain::convert_reg):
2288         Use pextrd for TARGET_SSE4_1 when creating scalar copy.
2290 2017-02-03  Walter Lee  <walt@tilera.com>
2292         PR target/78862
2293         * config/tilegx/tilegx.md (tilegx_expand_prologue): Add blockage
2294         after initial stackframe link reg save.
2295         * config/tilepro/tilepro.md (tilepro_expand_prologue): Likewise.
2297 2017-02-03  Jakub Jelinek  <jakub@redhat.com>
2299         PR target/79354
2300         * config/rs6000/rs6000.md (movsi_from_sf): Use wb constraint instead of
2301         wu for stxssp alternative.
2303 2017-02-03  Martin Sebor  <msebor@redhat.com>
2305         PR tree-optimization/79352
2306         * gimple-fold.c (get_range_strlen): Add argument.
2307         (get_range_strlen): Change return type to bool.
2308         (get_maxval_strlen): Pass in a dummy argument.
2309         * gimple-fold.h (get_range_strlen): Change return type to bool.
2310         * gimple-ssa-sprintf.c (get_string_length): Set unlikely counter.
2311         * tree.h (array_at_struct_end_p): Add argument.
2312         * tree.c (array_at_struct_end_p): Handle it.
2314 2017-02-03  Martin Liska  <mliska@suse.cz>
2316         PR lto/66295
2317         * multiple_target.c (create_dispatcher_calls): Redirect edge
2318         from a caller of a dispatcher.
2319         (expand_target_clones): Make the clones local.
2320         (ipa_target_clone): Do both target clones and resolvers.
2321         (ipa_dispatcher_calls): Remove the pass.
2322         (pass_dispatcher_calls::gate): Likewise.
2323         (make_pass_dispatcher_calls): Likewise.
2324         * passes.def (pass_target_clone): Put as very first IPA early
2325         pass.
2327 2017-02-03  Martin Liska  <mliska@suse.cz>
2329         * symtab.c (symtab_node::binds_to_current_def_p): Bail out
2330         in case of a function with ifunc attribute.
2332 2017-02-03  Martin Liska  <mliska@suse.cz>
2334         * cgraph.c (cgraph_node::dump): Dump function version info.
2335         * symtab.c (symtab_node::dump_base): Add missing new line.
2337 2017-02-02  Jan Hubicka  <hubicka@ucw.cz>
2339         * tree-ssa-ifcombine.c (update_profile_after_ifcombine): New function.
2340         (ifcombine_ifandif): Use it.
2342 2017-02-03  Martin Liska  <mliska@suse.cz>
2344         * doc/invoke.texi: Document default value for
2345         use-after-scope-direct-emission-threshold.
2347 2017-02-03  Martin Liska  <mliska@suse.cz>
2349         PR tree-optimization/79339
2350         * gimple-ssa-sprintf.c (format_floating_max): Call mpfr_clear.
2351         (format_floating): Likewise.
2353 2017-02-03  Martin Liska  <mliska@suse.cz>
2355         PR ipa/79337
2356         * ipa-prop.c (ipa_node_params_t::insert): Remove current
2357         implementation.
2358         (ipa_node_params_t::remove): Likewise.
2359         * ipa-prop.h (ipa_node_params::ipa_node_params): Make default
2360         initialization from removed ipa_node_params_t::insert.
2361         (ipa_node_params::~ipa_node_params): Move from removed
2362         ipa_node_params_t::release.
2363         * symbol-summary.h (symbol_summary::m_released): New member.
2364         Do not release a summary twice.  Do not allow to call finalizer
2365         for types of a summary that live in GGC memory.
2367 2017-02-02  Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
2369         * config/aarch64/aarch64.c (thunderx2t99_tunings): Enable AES and
2370         cmp_branch fusion.
2372 2017-02-02  Martin Sebor  <msebor@redhat.com>
2374         PR middle-end/79275
2375         * gimple-ssa-sprintf.c (get_string_length): Set lower bound to zero.
2376         (format_string): Tighten up the range of output for non-constant
2377         strings and correct the expected range for wide non-constant strings.
2379 2017-02-02  Martin Sebor  <msebor@redhat.com>
2381         * doc/invoke.texi (-maccumulate-args): Fix bad grammar.
2383         PR middle-end/32003
2384         * doc/invoke.texi (-fdump-tree-): Remove pass-specific options from
2385         index.
2386         (-fdump-tree-@var): Add to index and document how to come up
2387         with pass-specific option and dump file names.
2388         (-fdump-passes): Clarify where to look for output.
2390 2017-02-02  Jan Hubicka  <hubicka@ucw.cz>
2392         PR middle-end/77445
2393         * tree-ssa-threadbackward.c (profitable_jump_thread_path): Dump
2394         statistics of the analyzed path; allow threading for speed when
2395         any of BBs along the path are optimized for speed.
2397 2017-02-02  Eric Botcazou  <ebotcazou@adacore.com>
2399         PR middle-end/78468
2400         * emit-rtl.c (init_emit): Add ??? comment for problematic alignment
2401         settings of the virtual registers.
2403         Revert again
2404         2016-08-23  Dominik Vogt  <vogt@linux.vnet.ibm.com>
2406         * explow.c (get_dynamic_stack_size): Take known alignment of stack
2407         pointer + STACK_DYNAMIC_OFFSET into account when calculating the size
2408         needed.
2410 2017-02-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
2412         * config/s390/vx-builtins.md ("vec_ceil", "vec_floor")
2413         ("vec_trunc", "vec_roundc", "vec_round"): Remove expanders.
2415 2017-02-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
2417         * config/s390/s390.md: Add missing comments with the expanded
2418         mnemonics.
2419         * config/s390/vector.md: Likewise.
2420         * config/s390/vx-builtins.md: Likewise.
2422 2017-02-02  Jakub Jelinek  <jakub@redhat.com>
2424         PR target/79197
2425         * config/rs6000/rs6000.md (*fixuns_trunc<mode>di2_fctiduz): Rename to ...
2426         (fixuns_trunc<mode>di2): ... this, remove previous expander.  Put all
2427         conditions on a single line.
2429 2017-02-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
2431         * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Rename
2432         __S390_VX__ to __VX__.
2434 2017-02-01  Andrew Pinski  <apinski@cavium.com>
2436         * tree-vect-loop.c (vect_compute_single_scalar_iteration_cost): Pass
2437         stmt_info to record_stmt_cost.
2438         (vect_get_known_peeling_cost): Pass stmt_info if known to
2439         record_stmt_cost.
2440         * config/aarch64/aarch64-protos.h (cpu_vector_cost): Split
2441         cpu_vector_cost field into
2442         scalar_int_stmt_cost and scalar_fp_stmt_cost.  Split vec_stmt_cost
2443         field into vec_int_stmt_cost and vec_fp_stmt_cost.
2444         * config/aarch64/aarch64.c (generic_vector_cost): Update for the
2445         splitting of scalar_stmt_cost and vec_stmt_cost.
2446         (thunderx_vector_cost): Likewise.
2447         (cortexa57_vector_cost): LIkewise.
2448         (exynosm1_vector_cost): Likewise.
2449         (xgene1_vector_cost): Likewise.
2450         (thunderx2t99_vector_cost): Improve after the splitting of the two
2451         fields.
2452         (aarch64_builtin_vectorization_cost): Update for the splitting of
2453         scalar_stmt_cost and vec_stmt_cost.
2455 2017-02-01  Torvald Riegel  <triegel@redhat.com>
2456             Richard Henderson  <rth@redhat.com>
2458         * builtins.c (fold_builtin_atomic_always_lock_free): Make "lock-free"
2459         conditional on existance of a fast atomic load.
2460         * optabs-query.c (can_atomic_load_p): New function.
2461         * optabs-query.h (can_atomic_load_p): Declare it.
2462         * optabs.c (expand_atomic_exchange): Always delegate to libatomic if
2463         no fast atomic load is available for the particular size of access.
2464         (expand_atomic_compare_and_swap): Likewise.
2465         (expand_atomic_load): Likewise.
2466         (expand_atomic_store): Likewise.
2467         (expand_atomic_fetch_op): Likewise.
2468         * testsuite/lib/target-supports.exp
2469         (check_effective_target_sync_int_128): Remove x86 because it provides
2470         no fast atomic load.
2471         (check_effective_target_sync_int_128_runtime): Likewise.
2473 2017-02-01  Richard Biener  <rguenther@suse.de>
2475         * graphite.c: Include tree-vectorizer.h for find_loop_location.
2476         (graphite_transform_loops): Provide opt-info for optimized nests.
2477         * tree-parloop.c (parallelize_loops): Provide opt-info for
2478         parallelized loops.
2480 2017-02-01  Richard Biener  <rguenther@suse.de>
2482         PR middle-end/79315
2483         * tree-cfg.c (move_stmt_op): Never set TREE_BLOCK when it
2484         was not set before.
2486 2017-02-01  Richard Biener  <rguenther@suse.de>
2488         PR tree-optimization/71824
2489         * graphite-scop-detection.c (scop_detection::build_scop_breadth):
2490         Verify the loops are valid in the merged SESE region.
2491         (scop_detection::can_represent_loop_1): Check analyzing the
2492         evolution of the number of iterations in the region succeeds.
2494 2017-01-31  Ian Lance Taylor  <iant@golang.org>
2496         * config/i386/i386.c (ix86_expand_split_stack_prologue): Add
2497         REG_ARGS_SIZE note to 32-bit push insns and call insn.
2499 2017-01-31  David Malcolm  <dmalcolm@redhat.com>
2501         PR preprocessor/79210
2502         * input.c (get_substring_ranges_for_loc): Replace line_width
2503         assertion with error-handling.
2505 2017-01-31  Richard Biener  <rguenther@suse.de>
2507         PR tree-optimization/77318
2508         * graphite-sese-to-poly.c (extract_affine): Fix assert.
2509         (create_pw_aff_from_tree): Take loop parameter.
2510         (add_condition_to_pbb): Pass loop of the condition to
2511         create_pw_aff_from_tree.
2513 2017-01-31  Jakub Jelinek  <jakub@redhat.com>
2515         * config/s390/s390.c (s390_asan_shadow_offset): New function.
2516         (TARGET_ASAN_SHADOW_OFFSET): Redefine.
2518 2017-01-31  Michael Meissner  <meissner@linux.vnet.ibm.com>
2520         PR target/78597
2521         PR target/79038
2522         * config/rs6000/rs6000-protos.h (convert_float128_to_int): Delete,
2523         no longer used.
2524         (convert_int_to_float128): Likewise.
2525         * config/rs6000/rs6000.c (convert_float128_to_int): Likewise.
2526         (convert_int_to_float128): Likewise.
2527         * config/rs6000/rs6000.md (UNSPEC_IEEE128_MOVE): Likewise.
2528         (UNSPEC_IEEE128_CONVERT): Likewise.
2529         (floatsi<mode>2, FLOAT128 iterator): Bypass calling
2530         rs6000_expand_float128_convert if we have IEEE 128-bit hardware.
2531         Use local variables for IBM extended format.
2532         (fix_trunc<mode>si2, FLOAT128 iterator): Likewise.
2533         (fix_trunc<mode>si2_fprs): Likewise.
2534         (fixuns_trunc<IEEE128:mode><SDI:mode>2): Likewise.
2535         (floatuns<IEEE128:mode>2, IEEE128 iterator): Likewise.
2536         (fix<uns>_<mode>si2_hw): Rework the IEEE 128-bt hardware support
2537         to know that we can now have integers of all sizes in vector
2538         registers.
2539         (fix<uns>_<mode>di2_hw): Likewise.
2540         (float<uns>_<mode>si2_hw): Likewise.
2541         (fix_<mode>si2_hw): Likewise.
2542         (fixuns_<mode>si2_hw): Likewise.
2543         (float<uns>_<mode>di2_hw): Likewise.
2544         (float_<mode>di2_hw): Likewise.
2545         (float_<mode>si2_hw): Likewise.
2546         (floatuns_<mode>di2_hw): Likewise.
2547         (floatuns_<mode>si2_hw): Likewise.
2548         (xscvqp<su>wz_<mode>): Delete, no longer used.
2549         (xscvqp<su>dz_<mode>): Likewise.
2550         (xscv<su>dqp_<mode>): Likewise.
2551         (ieee128_mfvsrd_64bit): Likewise.
2552         (ieee128_mfvsrd_32bit): Likewise.
2553         (ieee128_mfvsrwz): Likewise.
2554         (ieee128_mtvsrw): Likewise.
2555         (ieee128_mtvsrd_64bit): Likewise.
2556         (ieee128_mtvsrd_32bit): Likewise.
2558 2017-01-31  Martin Liska  <mliska@suse.cz>
2560         PR ipa/79285
2561         * ipa-prop.c (ipa_free_all_node_params): Call release method
2562         instead of ~sumbol_summary to not to trigger double times
2563         dtor of hash_map.
2565 2017-01-31  Aldy Hernandez  <aldyh@redhat.com>
2567         PR tree-optimization/71691
2568         * bitmap.h (class auto_bitmap): New.
2569         * tree-ssa-loop-unswitch.c (tree_may_unswitch_on): Call
2570         is_maybe_undefined instead of ssa_undefined_value_p.
2572 2017-01-31  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
2574         * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Rename
2575         __S390_ARCH_LEVEL__ to __ARCH__.
2577 2017-01-31  Jakub Jelinek  <jakub@redhat.com>
2579         PR tree-optimization/79267
2580         * value-prof.c (gimple_ic): Only drop lhs for noreturn calls
2581         if should_remove_lhs_p is true.
2583 2017-01-30  Alexandre Oliva <aoliva@redhat.com>
2585         PR debug/63238
2586         * dwarf2out.c (clone_as_declaration): Drop DW_AT_alignment.
2587         (add_alignment_attribute): New.
2588         (base_type_die): Add alignment attribute.
2589         (subrange_type_die): Likewise.
2590         (modified_type_die): Likewise.
2591         (gen_array_type_die): Likewise.
2592         (gen_descr_array_type_die: Likewise.
2593         (gen_enumeration_type_die): Likewise.
2594         (gen_subprogram_die): Likewise.
2595         (gen_variable_die): Likewise.
2596         (gen_field_die): Likewise.
2597         (gen_ptr_to_mbr_type_die): Likewise.
2598         (gen_struct_or_union_type_die): Likewise.
2599         (gen_subroutine_type_die): Likewise.
2600         (gen_typedef_die): Likewise.
2601         (base_type_cmp): Compare alignment attribute.
2603 2017-01-30  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
2605         PR target/79170
2606         * config/rs6000/altivec.md (*setb_internal): Rename to setb_signed.
2607         (setb_unsigned) New pattern for setb with CCUNS.
2608         * config/rs6000/rs6000.c (expand_block_compare): Use a different
2609         subfc./subfe sequence to avoid overflow problems.  Generate a
2610         shorter sequence with cmpld/setb for power9.
2611         * config/rs6000/rs6000.md (subf<mode>3_carry_dot2): Add a new pattern
2612         for generating subfc. instruction.
2613         (cmpstrsi): Add TARGET_POPCNTD predicate as the generate sequence
2614         now uses this instruction.
2616 2017-01-30  Ian Lance Taylor  <iant@google.com>
2618         PR debug/79289
2619         * dwarf2out.c (gen_type_die_with_usage): When picking a variant
2620         for FUNCTION_TYPE/METHOD_TYPE, use the first matching one.
2622 2017-01-30  Martin Sebor  <msebor@redhat.com>
2624         * gimple-ssa-sprintf.c (fmtresult::adjust_for_width_or_precision):
2625         Move constant to the right of a relational operator.
2626         (get_mpfr_format_length, format_character, format_string): Ditto.
2627         (should_warn_p, maybe_warn): Same.
2629         * doc/invoke.texi (-Wformat-truncation=1): Fix typo.
2631 2017-01-30  Maxim Ostapenko  <m.ostapenko@samsung.com>
2633         PR lto/79061
2634         * asan.c (get_translation_unit_decl): Remove function.
2635         (asan_add_global): Force has_dynamic_init to zero in LTO mode.
2637 2017-01-30  Martin Liska  <mliska@suse.cz>
2639         PR gcov-profile/79259
2640         * opts.c (common_handle_option): Enable flag_ipa_bit_cp w/
2641         -fprofile-generate.
2643 2017-01-30  Martin Liska  <mliska@suse.cz>
2645         PR bootstrap/78985
2646         * config/aarch64/cortex-a57-fma-steering.c (func_fma_steering::analyze):
2647         Initialize variables with NULL value.
2649 2017-01-30  Richard Earnshaw  <rearnsh@arm.com>
2651         PR target/79260
2652         * config.gcc (arm*-*-*): Add arm/arm-flags.h and arm/arm-isa.h to
2653         tm_p_file.
2654         * arm/arm-protos.h: Don't directly include arm-flags.h and arm-isa.h.
2656 2017-01-30  Richard Biener  <rguenther@suse.de>
2658         PR tree-optimization/79276
2659         * tree-vrp.c (process_assert_insertions): Properly adjust common
2660         when removing a duplicate.
2662         * gcc.dg/torture/pr79276.c: New testcase.
2664 2017-01-30  Richard Biener  <rguenther@suse.de>
2666         PR tree-optimization/79256
2667         * targhooks.c (default_builtin_vector_alignment_reachable): Honor
2668         BIGGEST_FIELD_ALIGNMENT and ADJUST_FIELD_ALIGN to fix up bogus
2669         alignment on TYPE.
2670         * tree.c (build_aligned_type): Set TYPE_USER_ALIGN.
2672 2017-01-30  Dominik Vogt  <vogt@linux.vnet.ibm.com>
2674         PR target/79240
2675         * config/s390/s390.md ("*r<noxa>sbg_<mode>_srl_bitmask")
2676         ("*r<noxa>sbg_<mode>_sll_bitmask")
2677         ("*extzv_<mode>_srl<clobbercc_or_nocc>")
2678         ("*extzv_<mode>_sll<clobbercc_or_nocc>"):
2679         Use contiguous_bitmask_nowrap_operand.
2681 2017-01-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2683         PR target/79268
2684         * config/rs6000/altivec.h (vec_xl): Revise #define.
2685         (vec_xst): Likewise.
2687 2017-01-27  Uros Bizjak  <ubizjak@gmail.com>
2689         * config/i386/i386.c (print_reg): Use REGNO instead of true_regnum.
2691 2017-01-27  Bernd Schmidt  <bschmidt@redhat.com>
2693         PR rtl-optimization/79194
2694         * cprop.c (one_cprop_pass): Move deletion of code after unconditional
2695         traps before call to bypass_conditional_jumps.
2697 2017-01-27  Vladimir Makarov  <vmakarov@redhat.com>
2699         PR tree-optimization/71374
2700         * lra-constraints.c (check_conflict_input_operands): New.
2701         (match_reload): Use it.
2703 2017-01-27  Vladimir Makarov  <vmakarov@redhat.com>
2705         PR target/79131
2706         * lra-assigns.c (find_hard_regno_for_1): Take endianess for into
2707         account to calculate conflict_set.
2709 2017-01-27  Bin Cheng  <bin.cheng@arm.com>
2711         PR rtl-optimization/78559
2712         * combine.c (try_combine): Discard REG_EQUAL and REG_EQUIV for
2713         other_insn in combine.
2715 2017-01-27  Pekka Jääskeläinen  <pekka.jaaskelainen@parmance.com>
2717         * builtin-types.def: Use unsigned_char_type_node for BT_UINT8.  Use
2718         uint16_type_node for BT_UINT16.
2720 2017-01-27  David Malcolm  <dmalcolm@redhat.com>
2722         * doc/sourcebuild.texi (Testsuites): Add "GIMPLE Tests" and
2723         "RTL Tests" to menu.
2724         (GIMPLE Tests): New node.
2725         (RTL Tests): New node.
2727 2017-01-27  Richard Biener  <rguenther@suse.de>
2729         PR tree-optimization/79245
2730         * tree-loop-distribution.c (distribute_loop): Apply cost
2731         modeling also to detected patterns.
2733 2017-01-27  Richard Biener  <rguenther@suse.de>
2735         PR tree-optimization/71433
2736         * tree-vrp.c (register_new_assert_for): Revert earlier changes.
2737         (compare_assert_loc): New function.
2738         (process_assert_insertions): Sort and optimize assert locations
2739         to remove duplicates and push down identical assertions on
2740         edges to their destination block.
2742 2017-01-27  Richard Biener  <rguenther@suse.de>
2744         PR tree-optimization/79244
2745         * tree-vrp.c (remove_range_assertions): Forcefully propagate
2746         out SSA names even if abnormal.
2748 2017-01-27  Jakub Jelinek  <jakub@redhat.com>
2750         * realmpfr.h: Poison MPFR_RND{N,Z,U,D}.
2751         * gimple-ssa-sprintf.c (format_floating_max): Use GMP_RNDN
2752         instead of MPFR_RNDN.
2754 2017-01-27  Richard Earnshaw  <rearnsha@arm.com>
2756         PR target/79239
2757         * arm.c (arm_option_override): Don't call build_target_option_node
2758         until after doing all option overrides.
2759         (arm_valid_target_attribute_tree): Likewise.
2761 2017-01-27  Martin Liska  <mliska@suse.cz>
2763         * doc/invoke.texi (-fprofile-arcs): Document profiling support
2764         for {cd}tors and C++ {cd}tors.
2766 2017-01-27  Dominik Vogt  <vogt@linux.vnet.ibm.com>
2768         * config/s390/s390.md ("*setmem_long_and")
2769         ("*setmem_long_and_31z"): Use zero_extend instead of and.
2771 2017-01-26  Martin Sebor  <msebor@redhat.com>
2773         * gimple-ssa-sprintf.c (format_floating): Simplify the computation
2774         of precision.
2776 2017-01-26  Martin Sebor  <msebor@redhat.com>
2778         * gimple-ssa-sprintf.c (format_floating): Test HAVE_XFmode and
2779         HAVE_DFmode before using XFmode or DFmode.
2780         (parse_directive): Avoid using the z length modifier to avoid
2781         the ISO C++98 does not support the â€˜z’ gnu_printf length modifier.
2783         PR middle-end/78703
2784         * gimple-ssa-sprintf.c (adjust_for_width_or_precision): Change
2785         to accept adjustment as an array.
2786         (get_int_range): New function.
2787         (struct directive): Make width and prec arrays.
2788         (directive::set_width, directive::set_precision): Call get_int_range.
2789         (format_integer, format_floating): Handle width and precision ranges.
2790         (format_string, parse_directive): Same.
2792 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
2794         PR debug/79129
2795         * dwarf2out.c (generate_skeleton_bottom_up): For children with
2796         comdat_type_p set, just clone them, but keep the children in the
2797         original DIE.
2799         PR debug/78835
2800         * dwarf2out.c (prune_unused_types): Mark all functions with DIEs
2801         which have direct callers with -fvar-tracking-assignments enabled
2802         in the current TU.
2803         (resolve_addr): Avoid adding skeleton DIEs for DW_AT_call_origin
2804         inside of type units.
2806 2017-01-26  Martin Sebor  <msebor@redhat.com>
2808         PR middle-end/78703
2809         * gimple-ssa-sprintf.c (struct result_range): Add likely and
2810         unlikely counters.
2811         (struct format_result): Replace number_chars, number_chars_min,
2812         and number_chars_max with a single member of struct result_range.
2813         Remove bounded.
2814         (format_result::operator+=): Adjust.
2815         (struct fmtresult): Remove bounded.  Handle likely and unlikely
2816         counters.
2817         (fmtresult::adjust_for_width_or_precision): New function.
2818         (fmtresult:type_max_digits): New function.
2819         (bytes_remaining): Handle likely and unlikely counters.
2820         (min_bytes_remaining): Remove.
2821         (format_percent): Simplify.
2822         (format_integer, format_floating): Set likely and unlikely counters.
2823         (get_string_length, format_character, format_string): Same.
2824         (format_plain, should_warn_p): New function.
2825         (maybe_warn): Call should_warn_p.  Update diagnostic messages
2826         and handle those for all directives, including plain strings.
2827         (format_directive): Handle likely and unlikely counters.
2828         Remove unnecessary quoting from diagnostics.  Add an informational
2829         note.
2830         (add_bytes): Remove.
2831         (pass_sprintf_length::compute_format_length): Simplify.
2832         (try_substitute_return_value): Handle likely and unlikely counters.
2834 2017-01-26  Carl Love  <cel@us.ibm.com>
2836         * config/rs6000/rs6000-c (altivec_overloaded_builtins): Remove
2837         bogus entries for the P8V_BUILTIN_VEC_VGBBD built-ins
2839 2017-01-26  Vladimir Makarov  <vmakarov@redhat.com>
2841         PR target/79131
2842         * lra-assigns.c (setup_live_pseudos_and_spill_after_risky): Take
2843         endianess for subregs into account.
2844         * lra-constraints.c (lra_constraints): Do risky transformations
2845         always on the first iteration.
2846         * lra-lives.c (check_pseudos_live_through_calls): Add arg
2847         last_call_used_reg_set.
2848         (process_bb_lives): Define and use last_call_used_reg_set.
2849         * lra.c (lra): Always continue after lra_constraints on the first
2850         iteration.
2852 2017-01-26  Kirill Yukhin  <kirill.yukhin@gmail.com>
2854         * gcc.target/i386/avx512bw-kshiftlq-2.c: Use unsigned long long
2855         constant.
2856         * gcc.target/i386/avx512bw-kshiftrq-2.c: Ditto.
2858 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
2860         * config/i386/avx512fintrin.h (_ktest_mask16_u8,
2861         _ktestz_mask16_u8, _ktestc_mask16_u8, _kadd_mask16): Move to ...
2862         * config/i386/avx512dqintrin.h (_ktest_mask16_u8,
2863         _ktestz_mask16_u8, _ktestc_mask16_u8, _kadd_mask16): ... here.
2864         * config/i386/i386-builtin.def (__builtin_ia32_ktestchi,
2865         __builtin_ia32_ktestzhi, __builtin_ia32_kaddhi): Use
2866         OPTION_MASK_ISA_AVX512DQ instead of OPTION_MASK_ISA_AVX512F.
2867         * config/i386/sse.md (SWI1248_AVX512BWDQ2): New mode iterator.
2868         (kadd<mode>, ktest<mode>): Use it instead of SWI1248_AVX512BWDQ.
2870 2017-01-26  Marek Polacek  <polacek@redhat.com>
2872         PR c/79199
2873         * fold-const.c (operand_equal_p) [COND_EXPR]: Use OP_SAME_WITH_NULL
2874         for the third operand.
2876 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
2878         PR middle-end/79236
2879         * omp-low.c (struct omp_context): Add simt_stmt field.
2880         (scan_omp_for): Return omp_context *.
2881         (scan_omp_simd): Set simt_stmt on the non-_simt_ SIMD
2882         context to the _simt_ SIMD stmt.
2883         (lower_omp_for): For combined SIMD with sibling _simt_
2884         SIMD, make sure to use the same decls in _looptemp_
2885         clauses as in the sibling.
2887 2017-01-26  David Sherwood  <david.sherwood@arm.com>
2889         PR middle-end/79212
2890         * gimplify.c (omp_notice_variable): Add GOVD_SEEN flag to variables in
2891         all contexts.
2893 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
2895         PR target/70465
2896         * reg-stack.c (emit_swap_insn): Instead of fld a; fld b; fxchg %st(1);
2897         emit fld b; fld a; if possible.
2899         * brig-builtins.def: Update copyright years.
2900         * config/arm/arm_acle_builtins.def: Update copyright years.
2902 2017-01-25  Michael Meissner  <meissner@linux.vnet.ibm.com>
2904         PR target/79179
2905         * config/rs6000/vsx.md (vsx_extract_<mode>_store): Use wY
2906         constraint instead of o for the stxsd instruction.
2908 2017-01-25  Carl Love  <cel@us.ibm.com>
2910         * config/rs6000/rs6000-c (altivec_overloaded_builtins): Fix order
2911         of entries for ALTIVEC_BUILTIN_VEC_PACKS and P8V_BUILTIN_VEC_VGBBD.
2913 2017-01-25  Jonathan Wakely  <jwakely@redhat.com>
2915         * doc/invoke.texi (C++ Dialect Options): Fix typo.
2917 2017-01-25  Richard Biener  <rguenther@suse.de>
2919         PR tree-optimization/69264
2920         * target.def (vector_alignment_reachable): Improve documentation.
2921         * doc/tm.texi: Regenerate.
2922         * targhooks.c (default_builtin_vector_alignment_reachable): Simplify
2923         and add a comment.
2924         * tree-vect-data-refs.c (vect_supportable_dr_alignment): Revert
2925         earlier changes with respect to TYPE_USER_ALIGN.
2926         (vector_alignment_reachable_p): Likewise.  Improve dumping.
2928 2016-01-25  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2930         PR target/79145
2931         * config/arm/arm.md (xordi3): Force constant operand into a register
2932         for TARGET_IWMMXT.
2934 2016-01-25  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2936         * doc/invoke.texi (-fstore-merging): Correct default optimization
2937         levels at which it is enabled.
2938         (-O): Move -fstore-merging from list to...
2939         (-O2): ... Here.
2941 2017-01-25  Richard Biener  <rguenther@suse.de>
2943         PR debug/78363
2944         * omp-expand.c: Include debug.h.
2945         (expand_omp_taskreg): Make sure to generate early debug before
2946         outlining anything from a function.
2947         (expand_omp_target): Likewise.
2948         (grid_expand_target_grid_body): Likewise.
2950 2017-01-25  Maxim Ostapenko  <m.ostapenko@samsung.com>
2952         PR lto/79061
2953         * asan.c (get_translation_unit_decl): New function.
2954         (asan_add_global): Extract modules file name from globals
2955         TRANSLATION_UNIT_DECL name.
2957 2017-01-24  Eric Botcazou  <ebotcazou@adacore.com>
2959         PR target/77439
2960         * config/arm/arm.c (arm_function_ok_for_sibcall): Add back restriction
2961         for long calls with APCS frame and VFP.
2963 2017-01-24  David Malcolm  <dmalcolm@redhat.com>
2965         * cfg.c (original_copy_tables_initialized_p): New function.
2966         * cfg.h (original_copy_tables_initialized_p): New decl.
2967         * cfgrtl.c (relink_block_chain): Guard the call to
2968         free_original_copy_tables with a call to
2969         original_copy_tables_initialized_p.
2970         * cgraph.h (symtab_node::native_rtl_p): New decl.
2971         * cgraphunit.c (symtab_node::native_rtl_p): New function.
2972         (symtab_node::needed_p): Don't assert for early assembly output
2973         for __RTL functions.
2974         (cgraph_node::finalize_function): Set "force_output" for __RTL
2975         functions.
2976         (cgraph_node::analyze): Bail out early for __RTL functions.
2977         (analyze_functions): Update assertion to support __RTL functions.
2978         (cgraph_node::expand): Bail out early for __RTL functions.
2979         * final.c (rest_of_clean_state): Don't call delete_tree_ssa for
2980         __RTL functions.
2981         * function.h (struct function): Update comment for field
2982         "pass_startwith".
2983         * gimple-expr.c: Include "tree-pass.h".
2984         (gimple_has_body_p): Return false for __RTL functions.
2985         * Makefile.in (OBJS): Add run-rtl-passes.o.
2986         * pass_manager.h (gcc::pass_manager::get_rest_of_compilation): New
2987         accessor.
2988         (gcc::pass_manager::get_clean_slate): New accessor.
2989         * passes.c: Include "insn-addr.h".
2990         (should_skip_pass_p): Add logging.  Update logic for running
2991         "expand" to be compatible with both __GIMPLE and __RTL.  Guard
2992         property-provider override so it is only done for gimple passes.
2993         Don't skip dfinit.
2994         (skip_pass): New function.
2995         (execute_one_pass): Call skip_pass when skipping passes.
2996         * read-md.c (md_reader::read_char): Support filtering
2997         the input to a subset of line numbers.
2998         (md_reader::md_reader): Initialize fields
2999         m_first_line and m_last_line.
3000         (md_reader::read_file_fragment): New function.
3001         * read-md.h (md_reader::read_file_fragment): New decl.
3002         (md_reader::m_first_line): New field.
3003         (md_reader::m_last_line): New field.
3004         * read-rtl-function.c (function_reader::create_function): Only
3005         create cfun if it doesn't already exist.  Set PROP_rtl on cfun's
3006         curr_properties.  Set DECL_INITIAL to a dummy block.
3007         (read_rtl_function_body_from_file_range): New function.
3008         * read-rtl-function.h (read_rtl_function_body_from_file_range):
3009         New decl.
3010         * run-rtl-passes.c: New file.
3011         * run-rtl-passes.h: New file.
3013 2017-01-24 Jeff Law  <law@redhat.com>
3015         * config/microblaze/microblaze.h (ASM_FORMAT_PRIVATE_NAME): Increase
3016         buffer size.
3018 2017-01-24  Bin Cheng  <bin.cheng@arm.com>
3020         PR tree-optimization/79159
3021         * tree-ssa-loop-niter.c (get_cst_init_from_scev): New function.
3022         (record_nonwrapping_iv): Improve boundary using above function if no
3023         value range information.
3025 2017-01-24  Pekka Jääskeläinen  <pekka@parmance.com>
3026             Martin Jambor  <mjambor@suse.cz>
3028         * brig-builtins.def: New file.
3029         * builtins.def (DEF_HSAIL_BUILTIN): New macro.
3030         (DEF_HSAIL_ATOMIC_BUILTIN): Likewise.
3031         (DEF_HSAIL_SAT_BUILTIN): Likewise.
3032         (DEF_HSAIL_INTR_BUILTIN): Likewise.
3033         (DEF_HSAIL_CVT_ZEROI_SAT_BUILTIN): Likewise.
3034         * builtin-types.def (BT_INT8): New.
3035         (BT_INT16): Likewise.
3036         (BT_UINT8): Likewise.
3037         (BT_UINT16): Likewise.
3038         (BT_FN_ULONG): Likewise.
3039         (BT_FN_UINT_INT): Likewise.
3040         (BT_FN_UINT_ULONG): Likewise.
3041         (BT_FN_UINT_LONG): Likewise.
3042         (BT_FN_UINT_PTR): Likewise.
3043         (BT_FN_ULONG_PTR): Likewise.
3044         (BT_FN_INT8_FLOAT): Likewise.
3045         (BT_FN_INT16_FLOAT): Likewise.
3046         (BT_FN_UINT32_FLOAT): Likewise.
3047         (BT_FN_UINT16_FLOAT): Likewise.
3048         (BT_FN_UINT8_FLOAT): Likewise.
3049         (BT_FN_UINT64_FLOAT): Likewise.
3050         (BT_FN_UINT16_UINT32): Likewise.
3051         (BT_FN_UINT32_UINT16): Likewise.
3052         (BT_FN_UINT16_UINT16_UINT16): Likewise.
3053         (BT_FN_INT_PTR_INT): Likewise.
3054         (BT_FN_UINT_PTR_UINT): Likewise.
3055         (BT_FN_LONG_PTR_LONG): Likewise.
3056         (BT_FN_ULONG_PTR_ULONG): Likewise.
3057         (BT_FN_VOID_UINT64_UINT64): Likewise.
3058         (BT_FN_UINT8_UINT8_UINT8): Likewise.
3059         (BT_FN_INT8_INT8_INT8): Likewise.
3060         (BT_FN_INT16_INT16_INT16): Likewise.
3061         (BT_FN_INT_INT_INT): Likewise.
3062         (BT_FN_UINT_FLOAT_UINT): Likewise.
3063         (BT_FN_FLOAT_UINT_UINT): Likewise.
3064         (BT_FN_ULONG_UINT_UINT): Likewise.
3065         (BT_FN_ULONG_UINT_PTR): Likewise.
3066         (BT_FN_ULONG_ULONG_ULONG): Likewise.
3067         (BT_FN_UINT_UINT_UINT): Likewise.
3068         (BT_FN_VOID_UINT_PTR): Likewise.
3069         (BT_FN_UINT_UINT_PTR: Likewise.
3070         (BT_FN_UINT32_UINT64_PTR): Likewise.
3071         (BT_FN_INT_INT_UINT_UINT): Likewise.
3072         (BT_FN_UINT_UINT_UINT_UINT): Likewise.
3073         (BT_FN_UINT_UINT_UINT_PTR): Likewise.
3074         (BT_FN_UINT_ULONG_ULONG_UINT): Likewise.
3075         (BT_FN_ULONG_ULONG_ULONG_ULONG): Likewise.
3076         (BT_FN_LONG_LONG_UINT_UINT): Likewise.
3077         (BT_FN_ULONG_ULONG_UINT_UINT): Likewise.
3078         (BT_FN_VOID_UINT32_UINT64_PTR): Likewise.
3079         (BT_FN_VOID_UINT32_UINT32_PTR): Likewise.
3080         (BT_FN_UINT_UINT_UINT_UINT_UINT): Likewise.
3081         (BT_FN_UINT_FLOAT_FLOAT_FLOAT_FLOAT): Likewise.
3082         (BT_FN_ULONG_ULONG_ULONG_UINT_UINT): Likewise.
3083         * doc/frontends.texi: List BRIG FE.
3084         * doc/install.texi (Testing): Add BRIG tesring requirements.
3085         * doc/invoke.texi (Overall Options): Mention BRIG.
3086         * doc/standards.texi (Standards): Doucment BRIG HSA version.
3088 2017-01-24  Richard Biener  <rguenther@suse.de>
3090         PR translation/79208
3091         * ipa-devirt.c (odr_types_equivalent_p): Fix typo in diagnostic.
3093 2017-01-24  Martin Jambor  <mjambor@suse.cz>
3095         PR bootstrap/79198
3096         * ipa-prop.c (ipa_free_all_node_params): Call summary destructor.
3097         * ipa-prop.c (ipa_node_params_t::insert): Initialize fields known_csts
3098         and known_contexts.
3100 2017-01-24  Aldy Hernandez  <aldyh@redhat.com>
3102         PR middle-end/79123
3103         * gimple-ssa-warn-alloca.c (alloca_call_type): Make sure
3104         casts from signed to unsigned really don't have a range.
3106 2017-01-24  Markus Trippelsdorf  <markus@trippelsdorf.de>
3108         * gimple-ssa-sprintf.c (format_floating): Change MPFR_RNDx to
3109         GMP_RNDx for compatiblity.
3111 2017-01-24  Martin Liska  <mliska@suse.cz>
3113         PR bootstrap/79132
3114         * tree-ssa-reassoc.c (rewrite_expr_tree_parallel): Insert assert
3115         that would prevent us to call alloca with -1 as argument.
3117 2017-01-24  Jakub Jelinek  <jakub@redhat.com>
3119         * dwarf2out.c (output_compilation_unit_header, output_file_names):
3120         Avoid -Wformat-security warning.
3122 2017-01-23  Andrew Pinski  <apinski@cavium.com>
3124         * config/aarch64/aarch64.c (thunderx2t99_addrcost_table): Improve
3125         cost table.
3127 2017-01-23  Martin Sebor  <msebor@redhat.com>
3129         PR middle-end/78703
3130         * gimple-ssa-sprintf.c (warn_level): New global.
3131         (format_integer): Use it here and throughout the rest of the file.
3132         Use the same switch to compute sign as base.
3133         (maybe_warn): New function.
3134         (format_directive): Factor out warnings into maybe_warn.
3135         Add debugging output.  Use warn_level.
3136         (add_bytes): Use warn_level.
3137         (pass_sprintf_length::compute_format_length): Add debugging output.
3138         (try_substitute_return_value): Same.
3139         (pass_sprintf_length::handle_gimple_call): Set and use warn_level.
3141         PR middle-end/78703
3142         * gimple-ssa-sprintf.c (struct format_result): Remove constant member.
3143         (struct fmtresult, format_integer, format_floating): Adjust.
3144         (fmtresult::fmtresult): Set max correctly in two argument ctor.
3145         (get_string_length, format_string,format_directive): Same.
3146         (pass_sprintf_length::compute_format_length): Same.
3147         (try_substitute_return_value): Simplify slightly.
3149         PR middle-end/78703
3150         * gimple-ssa-sprintf.c (pass_sprintf_length::gate): Adjust formatting.
3151         (fmtresult::operator+=): Outlined.
3152         (struct fmtresult): Add ctors.
3153         (struct conversion_spec): Rename...
3154         (struct directive): ...to this.  Add and remove data members.
3155         (directive::set_width, directive::set_precision): New functions.
3156         (format_percent): Use fmtresult ctor.
3157         (get_width_and_precision): Remove.
3158         (format_integer): Make naming changes.  Avoid computing width and
3159         precision.
3160         (format_floating): Same.  Adjust indentation.
3161         (format_character, format_none): New functions.
3162         (format_string): Moved character handling to format_character.
3163         (format_directive): Remove arguments, change return type.
3164         (parse_directive): New function.
3165         (pass_sprintf_length::compute_format_length): Move directive
3166         parsing to parse_directive.
3168 2017-01-23  Jakub Jelinek  <jakub@redhat.com>
3170         * tree.h (assign_assembler_name_if_neeeded): Rename to ...
3171         (assign_assembler_name_if_needed): ... this.
3172         * tree.c (assign_assembler_name_if_neeeded): Rename to ...
3173         (assign_assembler_name_if_needed): ... this.
3174         (free_lang_data_in_cgraph): Adjust callers.
3175         * cgraphunit.c (cgraph_node::analyze): Likewise.
3176         * omp-expand.c (expand_omp_taskreg, expand_omp_target):
3177         Likewise.
3179 2017-01-23  Richard Biener  <rguenther@suse.de>
3181         PR tree-optimization/79088
3182         PR tree-optimization/79188
3183         * tree-ssa-threadupdate.c (mark_threaded_blocks): Move code
3184         resetting loop bounds after last path deletion.  Reset loop
3185         bounds of the target loop, make code match the comments.
3186         * tree-ssa-threadbackwards.c (pass_early_thread_jumps::execute):
3187         Make sure loops need no fixups.
3189 2017-01-23  Kelvin Nilsen  <kelvin@gcc.gnu.org>
3191         * config/rs6000/rs6000-builtin.def (VSIEDPF): Add scalar insert
3192         exponent support with double type for first argument.
3193         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Changed
3194         type returned by __builtin_vec_extract_sig,
3195         __builtin_vec_extract_sig_sp, and __builtin_vec_extract_sig_dp
3196         functions from "vector int" to "vector unsigned int" or from
3197         "vector long long int" to "vector unsigned long long int".
3198         Changed type returned by __builtin_vec_extract_exp,
3199         __builtin_vec_extract_exp_sp, and __builtin_vec_extract_exp_dp
3200         functions from "vector int" to "vector unsigned int" or from
3201         "vector long long int" to "vector unsigned long long int".
3202         Changed return type of __builtin_vec_test_data_class,
3203         __builtin_vec_test_data_class_sp, and
3204         __builtin_vec_test_data_class_dp from "vector int" to
3205         "vector bool int" or from "vector long long int" to "vector bool
3206         long long int" and changed second argument type from "unsigned
3207         int" to "int".  Added new overloaded function forms "vector float
3208         __builtin_vec_insert_exp (vector float, vector unsigned int)" and
3209         "vector float __builtin_vec_insert_exp_sp (vector float, vector
3210         unsigned int)" and "vector double __builtin_vec_insert_exp (vector
3211         double, vector unsigned long long int)" and "vector double
3212         __builtin_vec_insert_exp_dp (vector double, vector unsigned long
3213         long int)".  Changed return type of
3214         __builtin_scalar_test_data_class and
3215         __builtin_scalar_test_data_class_sp and
3216         __builtin_scalar_test_data_class_dp from "unsigned int" to "bool
3217         int" and changed second argument from "unsigned int" to "int".
3218         Changed type returned by __builtin_scalar_test_neg,
3219         __builtin_scalar_test_neg_sp, and __builtin_scalar_test_neg_dp
3220         from "int" to "bool int".  Added new overloaded function form
3221         "double __builtin_scalar_insert_exp (double, unsigned long long int)".
3222         * config/rs6000/vsx.md (xsiexpdpf): New insn for scalar insert
3223         exponent double-precision with floating point first argument.
3224         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Adjust
3225         documentation of scalar_test_data_class, scalar_test_neg,
3226         scalar_extract_sig, scalar_extract_exp, scalar_insert_exp,
3227         vector_extract_exp, vec_extract_sig, vec_insert_exp, and
3228         vec_test_data_class built-in functions to reflect refinements in
3229         their type signatures.
3231 2017-01-23  Andreas Tobler  <andreast@gcc.gnu.org>
3233         * config/aarch64/aarch64.c (aarch64_elf_asm_constructor): Increase
3234         size of buf.
3235         (aarch64_elf_asm_destructor): Likewise.
3237 2017-01-23  Bernd Schmidt  <bschmidt@redhat.com>
3239         PR rtl-optimization/78634
3240         * config/i386/i386.c (ix86_max_noce_ifcvt_seq_cost): New function.
3241         (TARGET_MAX_NOCE_IFCVT_SEQ_COST): Define.
3242         * ifcvt.c (noce_try_cmove): Add missing cost check.
3244         PR rtl-optimization/71724
3245         * combine.c (if_then_else_cond): Look for situations where it is
3246         beneficial to undo the work of one of the recursive calls.
3248 2017-01-23  Bin Cheng  <bin.cheng@arm.com>
3250         PR tree-optimization/70754
3251         * tree-predcom.c (stmt_combining_refs): New parameter INSERT_BEFORE.
3252         (reassociate_to_the_same_stmt): New parameter INSERT_BEFORE.  Insert
3253         combined stmt before it if not NULL.
3254         (combine_chains): Process refs reversely and compute dominance point
3255         for root ref.
3257 2017-01-23  Martin Liska  <mliska@suse.cz>
3259         PR tree-optimization/79196
3260         * tree-ssa-strlen.c (fold_strstr_to_memcmp): Rename to ...
3261         (fold_strstr_to_strncmp): ... this.  Fold the pattern to strncmp
3262         instead of memcmp.
3263         (strlen_optimize_stmt): Call the renamed function.
3265 2017-01-23  Michael Matz  <matz@suse.de>
3267         PR tree-optimization/78384
3268         * tree-ssa-loop-split.c (patch_loop_exit): Use correct edge.
3270 2017-01-23  Richard Biener  <rguenther@suse.de>
3272         PR tree-optimization/79186
3273         * tree-vrp.c (register_new_assert_for): Make sure we've seen
3274         both incoming edges before moving an assert.
3276 2017-01-23  Martin Jambor  <mjambor@suse.cz>
3278         * ipa-prop.c (load_from_param_1): Removed.
3279         (load_from_unmodified_param): Bits from load_from_param_1 put back
3280         here.
3281         (load_from_param): Removed.
3282         (compute_complex_assign_jump_func): Removed stmt2 and just replaced it
3283         with stmt.  Reverted back to use of load_from_unmodified_param.
3285 2017-01-23  Martin Jambor  <mjambor@suse.cz>
3287         PR ipa/79108
3288         * ipa-prop.h (ipa_param_descriptor): Anotate with with GTY(()).
3289         (ipa_node_params): Annotate with GTY((for_user)).  Make descriptors
3290         field a pointer to garbage collected vector, mark lattices and
3291         ipcp_orig_node with GTY((skip)).
3292         (ipa_get_param_count): Adjust to descriptors being a pointer.
3293         (ipa_get_param): Likewise.
3294         (ipa_get_type): Likewise.
3295         (ipa_get_param_move_cost): Likewise.
3296         (ipa_set_param_used): Likewise.
3297         (ipa_get_controlled_uses): Likewise.
3298         (ipa_set_controlled_uses): Likewise.
3299         (ipa_is_param_used): Likewise.
3300         (ipa_node_params_t): Move into garbage collector.  New methods insert
3301         and remove.
3302         (ipa_node_params_sum): Annotate wth GTY(()).
3303         (ipa_check_create_node_params): Adjust to ipa_node_params_sum being
3304         garbage collected.
3305         (ipa_load_from_parm_agg): Adjust declaration.
3306         * ipa-icf.c (param_used_p): Adjust to descriptors being a pointer.
3307         * ipa-profile.c (ipa_profile): Likewise.
3308         * ipa-prop.c (ipa_get_param_decl_index_1): Likewise.
3309         (ipa_populate_param_decls): Make descriptors parameter garbage
3310         collected.
3311         (ipa_dump_param): Adjust to descriptors being a pointer.
3312         (ipa_alloc_node_params): Likewise.
3313         (ipa_initialize_node_params): Likewise.
3314         (load_from_param_1): Make descriptors parameter garbage collected.
3315         (load_from_unmodified_param): Likewise.
3316         (load_from_param): Likewise.
3317         (ipa_load_from_parm_agg): Likewise.
3318         (ipa_node_params::~ipa_node_params): Removed.
3319         (ipa_free_all_node_params): Remove call to delete operator.
3320         (ipa_node_params_t::insert): New.
3321         (ipa_node_params_t::remove): Likewise.
3322         (ipa_node_params_t::duplicate): Adjust to descriptors being a pointer,
3323         copy known_csts and known_contexts vectors.
3324         (ipa_read_node_info): Adjust to descriptors being a pointer.
3325         (ipcp_modif_dom_walker): Make m_descriptors field garbage
3326         collected.
3327         (ipcp_transform_function): Make descriptors variable garbage
3328         collected.
3330 2017-01-23  Andrew Senkevich  <andrew.senkevich@intel.com>
3332         * config/i386/avx512bwintrin.h: Add k-mask test, kortest intrinsics.
3333         * config/i386/avx512dqintrin.h: Ditto.
3334         * config/i386/avx512fintrin.h: Ditto.
3335         * gcc/config/i386/i386.c: Handle new builtins.
3336         * config/i386/i386-builtin.def: Add new builtins.
3337         * config/i386/sse.md (ktest<mode>, kortest<mode>): New.
3338         (UNSPEC_KORTEST, UNSPEC_KTEST): New.
3340 2017-01-23  Jakub Jelinek  <jakub@redhat.com>
3341             Martin Liska  <mliska@suse.cz>
3343         * asan.h: Define ASAN_USE_AFTER_SCOPE_ATTRIBUTE.
3344         * asan.c (asan_expand_poison_ifn): Support stores and use
3345         appropriate ASAN report function.
3346         * internal-fn.c (expand_ASAN_POISON_USE): New function.
3347         * internal-fn.def (ASAN_POISON_USE): Declare.
3348         * tree-into-ssa.c (maybe_add_asan_poison_write): New function.
3349         (maybe_register_def): Create ASAN_POISON_USE when sanitizing.
3350         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Remove
3351         ASAN_POISON calls w/o LHS.
3352         * tree-ssa.c (execute_update_addresses_taken): Create clobber
3353         for ASAN_MARK (UNPOISON, &x, ...) in order to prevent usage of a LHS
3354         from ASAN_MARK (POISON, &x, ...) coming to a PHI node.
3355         * gimplify.c (asan_poison_variables): Add attribute
3356         use_after_scope_memory to variables that really needs to live
3357         in memory.
3358         * tree-ssa.c (is_asan_mark_p): Do not rewrite into SSA when
3359         having the attribute.
3361 2017-01-23  Martin Liska  <mliska@suse.cz>
3363         * asan.c (create_asan_shadow_var): New function.
3364         (asan_expand_poison_ifn): Likewise.
3365         * asan.h (asan_expand_poison_ifn): New declaration.
3366         * internal-fn.c (expand_ASAN_POISON): Likewise.
3367         * internal-fn.def (ASAN_POISON): New builtin.
3368         * sanopt.c (pass_sanopt::execute): Expand
3369         asan_expand_poison_ifn.
3370         * tree-inline.c (copy_decl_for_dup_finish): Make function
3371         external.
3372         * tree-inline.h (copy_decl_for_dup_finish): Likewise.
3373         * tree-ssa.c (is_asan_mark_p): New function.
3374         (execute_update_addresses_taken): Rewrite local variables
3375         (identified just by use-after-scope as addressable) into SSA.
3377 2017-01-22  Gerald Pfeifer  <gerald@pfeifer.com>
3379         * doc/install.texi (Specific): opensource.apple.com uses https
3380         now. Remove trailing slash.
3382 2017-01-22  Gerald Pfeifer  <gerald@pfeifer.com>
3384         * README.Portability: Remove note on an Irix compatibility issue.
3386 2017-01-22  Dimitry Andric <dim@FreeBSD.org>
3388         * gcov.c (INCLUDE_ALGORITHM): Define.
3389         (INCLUDE_VECTOR): Define.
3390         No longer include <vector> and <algorithm> directly.
3392 2017-01-21  Gerald Pfeifer  <gerald@pfeifer.com>
3394         * doc/extend.texi (Thread-Local): Change www.akkadia.org reference
3395         to https.
3396         * doc/invoke.texi (Code Gen Options): Ditto.
3398 2017-01-21  Jan Hubicka  <hubicka@ucw.cz>
3400         PR lto/78407
3401         * cfg.c (update_bb_profile_for_threading): Fix updating of probablity.
3403 2017-01-21  Bernd Schmidt  <bschmidt@redhat.com>
3405         rtl-optimization/79125
3406         * cprop.c (local_cprop_pass): Handle cases where we make an
3407         unconditional trap.
3409 2017-01-20  Segher Boessenkool  <segher@kernel.crashing.org>
3411         PR target/61729
3412         PR target/77850
3413         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Adjust address to
3414         read from, for big endian.
3416 2017-01-20  Jiong Wang  <jiong.wang@arm.com>
3418         * config/aarch64/aarch64-builtins.c (aarch64_init_builtins): Register
3419         register pauth builtins for LP64 only.
3421 2017-01-20  Marek Polacek  <polacek@redhat.com>
3423         PR c/79152
3424         * gimplify.c (should_warn_for_implicit_fallthrough): Handle consecutive
3425         non-case labels.
3427 2017-01-20  Alexander Monakov  <amonakov@ispras.ru>
3429         * omp-expand.c (expand_omp_simd): Clear PROP_gimple_lomp_dev regardless
3430         of safelen status.
3431         * omp-offload.c (pass_omp_device_lower::gate): Use PROP_gimple_lomp_dev.
3432         * passes.c (dump_properties): Handle PROP_gimple_lomp_dev.
3433         * tree-inline.c (expand_call_inline): Propagate PROP_gimple_lomp_dev.
3435 2017-01-20  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3437         PR target/71270
3438         * config/arm/arm.c (neon_valid_immediate): Reject vector constants
3439         in big-endian mode when they are not a single duplicated value.
3441 2017-01-20  Richard Biener  <rguenther@suse.de>
3443         * BASE-VER: Bump to 7.0.1.
3445 2017-01-20  Alexander Monakov  <amonakov@ispras.ru>
3447         * omp-low.c (omplow_simd_context): New struct.  Use it...
3448         (lower_rec_simd_input_clauses): ...here and...
3449         (lower_rec_input_clauses): ...here to hold common data.  Adjust all
3450         references to idx, lane, max_vf, is_simt.
3452 2017-01-20  Graham Markall  <graham.markall@embecosm.com>
3454         * config/arc/arc.h (LINK_SPEC): Use arclinux_nps emulation when
3455         mcpu=nps400.
3457 2017-01-20  Martin Jambor  <mjambor@suse.cz>
3459         * hsa.h: Renaed to hsa-common.h.  Adjusted a comment.
3460         * hsa.c: Renaed to hsa-common.c.  Change include of gt-hsa.h to
3461         gt-hsa-common.h.
3462         * Makefile.in (OBJS): Rename hsa.o to hsa-common.o.
3463         (GTFILES): Rename hsa.c to hsa-common.c.
3464         * hsa-brig.c: Change include of hsa.h to hsa-common.h.
3465         * hsa-dump.c: Likewise.
3466         * hsa-gen.c: Likewise.
3467         * hsa-regalloc.c: Likewise.
3468         * ipa-hsa.c: Likewise.
3469         * omp-expand.c: Likewise.
3470         * omp-low.c: Likewise.
3471         * toplev.c: Likewise.
3473 2017-01-20  Marek Polacek  <polacek@redhat.com>
3475         PR c/64279
3476         * doc/invoke.texi: Document -Wduplicated-branches.
3477         * fold-const.c (operand_equal_p): Handle MODIFY_EXPR, INIT_EXPR,
3478         COMPOUND_EXPR, PREDECREMENT_EXPR, PREINCREMENT_EXPR,
3479         POSTDECREMENT_EXPR, POSTINCREMENT_EXPR, CLEANUP_POINT_EXPR, EXPR_STMT,
3480         STATEMENT_LIST, and RETURN_EXPR.  For non-pure non-const functions
3481         return 0 only when not OEP_LEXICOGRAPHIC.
3482         (fold_build_cleanup_point_expr): Use the expression
3483         location when building CLEANUP_POINT_EXPR.
3484         * tree-core.h (enum operand_equal_flag): Add OEP_LEXICOGRAPHIC.
3485         * tree.c (add_expr): Handle error_mark_node.
3487 2017-01-20  Martin Liska  <mliska@suse.cz>
3489         PR lto/69188
3490         * tree-profile.c (init_ic_make_global_vars): Do not call
3491         finalize_decl.
3492         (gimple_init_gcov_profiler): Likewise.
3494 2017-01-20  Martin Liska  <mliska@suse.cz>
3496         PR ipa/71190
3497         * cgraph.h (maybe_create_reference): Remove argument and
3498         update comment.
3499         * cgraphclones.c (cgraph_node::create_virtual_clone): Remove one
3500         argument.
3501         * ipa-cp.c (create_specialized_node): Likewise.
3502         * symtab.c (symtab_node::maybe_create_reference): Handle
3503         VAR_DECLs and ADDR_EXPRs and select ipa_ref_use type.
3505 2017-01-20  Martin Liska  <mliska@suse.cz>
3507         * read-rtl-function.c (function_reader::create_function): Use
3508         build_decl instread of build_decl_stat.
3510 2017-01-20  Andrew Senkevich  <andrew.senkevich@intel.com>
3512         * config/i386/avx512bwintrin.h: Add k-mask registers shift intrinsics.
3513         * config/i386/avx512dqintrin.h: Ditto.
3514         * config/i386/avx512fintrin.h: Ditto.
3515         * config/i386/i386-builtin-types.def: Add new types.
3516         * gcc/config/i386/i386.c: Handle new types.
3517         * config/i386/i386-builtin.def (__builtin_ia32_kshiftliqi)
3518         (__builtin_ia32_kshiftlihi, __builtin_ia32_kshiftlisi)
3519         (__builtin_ia32_kshiftlidi, __builtin_ia32_kshiftriqi)
3520         (__builtin_ia32_kshiftrihi, __builtin_ia32_kshiftrisi)
3521         (__builtin_ia32_kshiftridi): New.
3522         * config/i386/sse.md (k<code><mode>): Rename *k<code><mode>.
3524 2017-01-19  Segher Boessenkool  <segher@kernel.crashing.org>
3526         PR target/78875
3527         PR target/79140
3528         * config/rs6000/rs6000.c (TARGET_STACK_PROTECT_GUARD): Unconditionally
3529         define to rs6000_init_stack_protect_guard.
3530         (rs6000_init_stack_protect_guard): New function.
3532 2017-01-19  Matthew Fortune  <matthew.fortune@imgtec.com>
3533             Yunqiang Su  <yunqiang.su@imgtec.com>
3535         * config.gcc (supported_defaults): Add madd4.
3536         (with_madd4): Add validation.
3537         (all_defaults): Add madd4.
3538         * config/mips/mips.opt (mmadd4): New option.
3539         * gcc/config/mips/mips.h (OPTION_DEFAULT_SPECS): Add a default for
3540         mmadd4.
3541         (TARGET_CPU_CPP_BUILTINS): Add builtin_define for
3542         __mips_no_madd4.
3543         (ISA_HAS_UNFUSED_MADD4): Gate with mips_madd4.
3544         (ISA_HAS_FUSED_MADD4): Likewise.
3545         * gcc/doc/invoke.texi (-mmadd4): Document the new option.
3546         * gcc/doc/install.texi (--with-madd4): Document the new option.
3548 2017-01-19  Jiong Wang  <jiong.wang@arm.com>
3550         * config/aarch64/aarch64-builtins.c (enum aarch64_builtins): New
3551         entries for AARCH64_PAUTH_BUILTIN_XPACLRI,
3552         AARCH64_PAUTH_BUILTIN_PACIA1716, AARCH64_PAUTH_BUILTIN_AUTIA1716.
3553         (aarch64_init_pauth_hint_builtins): New.
3554         (aarch64_init_builtins): Call aarch64_init_pauth_hint_builtins.
3555         (aarch64_expand_builtin): Expand new builtins.
3557 2017-01-19  Jiong Wang  <jiong.wang@arm.com>
3559         * reg-notes.def (CFA_TOGGLE_RA_MANGLE): New reg-note.
3560         * combine-stack-adj.c (no_unhandled_cfa): Handle
3561         REG_CFA_TOGGLE_RA_MANGLE.
3562         * dwarf2cfi.c (dwarf2out_frame_debug): Handle REG_CFA_TOGGLE_RA_MANGLE.
3563         * config/aarch64/aarch64.c (aarch64_expand_prologue): Generates DWARF
3564         info for return address signing.
3565         (aarch64_expand_epilogue): Likewise.
3567 2017-01-19  Jiong Wang  <jiong.wang@arm.com>
3569         * config/aarch64/aarch64-opts.h (aarch64_function_type): New enum.
3570         * config/aarch64/aarch64-protos.h
3571         (aarch64_return_address_signing_enabled): New declaration.
3572         * config/aarch64/aarch64.c (aarch64_return_address_signing_enabled):
3573         New function.
3574         (aarch64_expand_prologue): Sign return address before it's pushed onto
3575         stack.
3576         (aarch64_expand_epilogue): Authenticate return address fetched from
3577         stack.
3578         (aarch64_override_options): Sanity check for ILP32 and ISA level.
3579         (aarch64_attributes): New function attributes for "sign-return-address".
3580         * config/aarch64/aarch64.md (UNSPEC_AUTI1716, UNSPEC_AUTISP,
3581         UNSPEC_PACI1716, UNSPEC_PACISP, UNSPEC_XPACLRI): New unspecs.
3582         ("*do_return"): Generate combined instructions according to key index.
3583         ("<pauth_mnem_prefix>sp", "<pauth_mnem_prefix1716", "xpaclri"): New.
3584         * config/aarch64/iterators.md (PAUTH_LR_SP, PAUTH_17_16): New integer
3585         iterators.
3586         (pauth_mnem_prefix, pauth_hint_num_a): New integer attributes.
3587         * config/aarch64/aarch64.opt (msign-return-address=): New.
3588         * doc/extend.texi (AArch64 Function Attributes): Documents
3589         "sign-return-address=".
3590         * doc/invoke.texi (AArch64 Options): Documents "-msign-return-address=".
3592 2017-01-19  Matthew Fortune  <matthew.fortune@imgtec.com>
3594         * doc/invoke.texi: Add missing -mlxc1-sxc1 options to
3595         overall option summary.
3597 2017-01-19  Jiong Wang  <jiong.wang@arm.com>
3599         * config/aarch64/aarch64-arches.def: New entry for "armv8.3-a".
3600         * config/aarch64/aarch64.h (AARCH64_FL_V8_3, AARCH64_FL_FOR_ARCH8_3,
3601         AARCH64_ISA_V8_3, TARGET_ARMV8_3): New.
3602         * doc/invoke.texi (AArch64 Options): Document "armv8.3-a".
3604 2017-01-19  Michael Meissner  <meissner@linux.vnet.ibm.com>
3606         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Enable
3607         -mpower9-minmax by default for -mcpu=power9.
3608         (ISA_3_MASKS_IEEE): Require -mvsx-small-integer to enable IEEE
3609         128-bit floating point.
3611 2017-01-20  Alan Modra  <amodra@gmail.com>
3613         * config/rs6000/rs6000.md (cmpstrnsi, cmpstrsi): Fail if
3614         optimizing for size.
3616 2017-01-20  Alan Modra  <amodra@gmail.com>
3618         PR target/79144
3619         * config/rs6000/rs6000.c (expand_strn_compare): Get the asm name
3620         for strcmp and strncmp from corresponding builtin decl.
3622 2017-01-19  Uros Bizjak  <ubizjak@gmail.com>
3624         * config.gcc (x86_64-*-rtems*): Use i386/rtemself.h
3625         instead of i386/rtems-64.h.
3626         * config/i386/rtems-64.h: Remove.
3628 2017-01-19  Uros Bizjak  <ubizjak@gmail.com>
3630         PR target/78478
3631         Revert:
3632         2013-11-05  Uros Bizjak  <ubizjak@gmail.com>
3634         * config/i386/rtemself.h (LONG_DOUBLE_TYPE_SIZE): New define.
3636 2017-01-19  Tamar Christina  <tamar.christina@arm.com>
3638         * config/aarch64/aarch64.c (aarch64_simd_gen_const_vector_dup):
3639         Change int to HOST_WIDE_INT.
3640         * config/aarch64/aarch64-protos.h
3641         (aarch64_simd_gen_const_vector_dup): Likewise.
3642         * config/aarch64/aarch64-simd.md: Add copysign<mode>3.
3644 2017-01-19  David Malcolm  <dmalcolm@redhat.com>
3646         * langhooks-def.h (lhd_type_for_size): New decl.
3647         (LANG_HOOKS_TYPE_FOR_SIZE): Define as lhd_type_for_size.
3648         * langhooks.c (lhd_type_for_size): New function, taken from
3649         lto_type_for_size.
3651 2017-01-19  Pat Haugen  <pthaugen@us.ibm.com>
3653         * config/rs6000/power9.md (power9-alu): Remove 'cmp' type and add
3654         define_bypass for CR latency.
3655         (power9-cracked-alu): Update bypass latency and remove power9-branch.
3656         (power9-alu2): Add define_bypass for CR latency.
3657         (power9-cmp): New.
3658         (power9-mul): Update insn latency.
3659         (power9-mul-compare): Update insn latency, bypass latency and remove
3660         power9-branch.
3662 2016-01-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3664         * config/aarch64/aarch64-protos.h (aarch64_nopcrelative_literal_loads):
3665         Delete.
3666         * config/aarch64/aarch64.md
3667         (aarch64_reload_movcp<GPF_TF:mode><P:mode>): Delete reference to
3668         aarch64_nopcrelative_literal_loads.
3669         (aarch64_reload_movcp<VALL:mode><P:mode>): Likewise.
3671 2017-01-19  Chenghua Xu  <paul.hua.gm@gmail.com>
3673         * config/mips/mips.h (ISA_HAS_FUSED_MADD4): Enable for
3674         TARGET_LOONGSON_3A.
3675         (ISA_HAS_UNFUSED_MADD4): Exclude TARGET_LOONGSON_3A.
3677 2017-01-19  Doug Gilmore  <doug.gilmore@imgtec.com>
3679         PR target/78176
3680         * config.gcc (supported_defaults): Add lxc1-sxc1.
3681         (with_lxc1_sxc1): Add validation.
3682         (all_defaults): Add lxc1-sxc1.
3683         * config/mips/mips.opt (mlxc1-sxc1): New option.
3684         * gcc/config/mips/mips.h (OPTION_DEFAULT_SPECS): Add a default for
3685         mlxc1-sxc1.
3686         (TARGET_CPU_CPP_BUILTINS): Add builtin_define for
3687         __mips_no_lxc1_sxc1.
3688         (ISA_HAS_LXC1_SXC1): Gate with mips_lxc1_sxc1.
3689         * gcc/doc/invoke.texi (-mlxc1-sxc1): Document the new option.
3690         * doc/install.texi (--with-lxc1-sxc1): Document the new option.
3692 2017-01-19  Richard Biener  <rguenther@suse.de>
3694         PR tree-optimization/72488
3695         * tree-ssa-sccvn.c (run_scc_vn): When we abort the VN make
3696         sure to restore SSA info.
3697         * tree-ssa.c (verify_ssa): Verify SSA info is not shared.
3699 2017-01-19  Richard Earnshaw  <rearnsha@arm.com>
3701         PR rtl-optimization/79121
3702         * expr.c (expand_expr_real_2, case LSHIFT_EXPR): Look at the signedness
3703         of the inner type when shifting an extended value.
3705 2017-01-17  Jan Hubicka  <hubicka@ucw.cz>
3707         PR lto/78407
3708         * symtab.c (symtab_node::equal_address_to): Fix comparing of
3709         interposable aliases.
3711 2017-01-18  Peter Bergner  <bergner@vnet.ibm.com>
3713         PR target/78516
3714         * config/rs6000/spe.md (mov_si<mode>_e500_subreg0): Fix constraints.
3715         Use the evmergelohi instruction.
3716         (mov_si<mode>_e500_subreg4_2_le): Likewise.
3717         (mov_sitf_e500_subreg8_2_be): Likewise.
3718         (mov_sitf_e500_subreg12_2_le): Likewise.
3719         (mov_si<mode>_e500_subreg0_2_le): Fix constraints.
3720         (mov_si<mode>_e500_subreg4_2_be): Likewise.
3721         (mov_sitf_e500_subreg8_2_le): Likewise.
3722         (mov_sitf_e500_subreg12_2_be): Likewise.
3724 2017-01-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3726         * config/rs6000/altivec.md (altivec_vbpermq): Change "type"
3727         attribute from vecsimple to vecperm.
3728         (altivec_vbpermq2): Likewise.
3730 2017-01-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3732         PR target/79040
3733         * config/rs6000/altivec.h: Fix typo of vec_cntlz to vec_cnttz.
3735 2017-01-18  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
3736         * config/rs6000/rs6000-protos.h (expand_strn_compare): Add arg.
3737         * config/rs6000/rs6000.c (expand_strn_compare): Add ability to expand
3738         strcmp. Fix bug where comparison didn't stop with zero byte. Fix
3739         case where N arg is SIZE_MAX.
3740         * config/rs6000/rs6000.md (cmpstrnsi): Args to expand_strn_compare.
3741         (cmpstrsi): Add pattern.
3743 2017-01-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
3745         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
3746         __builtin_vec_revb builtins.
3747         * config/rs6000/rs6000-builtins.def (P9V_BUILTIN_XXBRQ_V16QI): Add
3748         built-in functions to support generation of the ISA 3.0 XXBR<x>
3749         vector byte reverse instructions.
3750         (P9V_BUILTIN_XXBRQ_V1TI): Likewise.
3751         (P9V_BUILTIN_XXBRD_V2DI): Likewise.
3752         (P9V_BUILTIN_XXBRD_V2DF): Likewise.
3753         (P9V_BUILTIN_XXBGW_V4SI): Likewise.
3754         (P9V_BUILTIN_XXBGW_V4SF): Likewise.
3755         (P9V_BUILTIN_XXBGH_V8HI): Likewise.
3756         (P9V_BUILTIN_VEC_REVB): Likewise.
3757         * config/rs6000/vsx.md (p9_xxbrq_v1ti): New insns/expanders to
3758         generate the ISA 3.0 XXBR<x> vector byte reverse instructions.
3759         (p9_xxbrq_v16qi): Likewise.
3760         (p9_xxbrd_<mode>, VSX_D iterator): Likewise.
3761         (p9_xxbrw_<mode>, VSX_W iterator): Likewise.
3762         (p9_xxbrh_v8hi): Likewise.
3763         * config/rs6000/altivec.h (vec_revb): Define if ISA 3.0.
3764         * doc/extend.texi (RS/6000 Altivec Built-ins): Document the
3765         vec_revb built-in functions.
3767 2017-01-18  Uros Bizjak  <ubizjak@gmail.com>
3769         PR rtl-optimization/78952
3770         * config/i386/i386.md (any_extract): New code iterator.
3771         (*insvqi_2): Use any_extract for source operand.
3772         (*insvqi_3): Use any_shiftrt for source operand.
3774 2017-01-18  Wilco Dijkstra  <wdijkstr@arm.com>
3776         * config/aarch64/aarch64.c (aarch64_sched_adjust_priority)
3777         New function.
3778         (TARGET_SCHED_ADJUST_PRIORITY): Define target hook.
3780 2017-01-18  Matthias Klose  <doko@ubuntu.com>
3782         * doc/install.texi: Allow default for --with-target-bdw-gc-include.
3784 2016-01-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3786         * config/rs6000/altivec.h (vec_bperm): Change #define.
3787         * config/rs6000/altivec.md (UNSPEC_VBPERMD): New enum constant.
3788         (altivec_vbpermq2): New define_insn.
3789         (altivec_vbpermd): Likewise.
3790         * config/rs6000/rs6000-builtin.def (VBPERMQ2): New monomorphic
3791         function interface.
3792         (VBPERMD): Likewise.
3793         (VBPERM): New polymorphic function interface.
3794         * config/rs6000/r6000-c.c (altivec_overloaded_builtins_table):
3795         Add entries for P9V_BUILTIN_VEC_VBPERM.
3796         * doc/extend.texi: Add interfaces for vec_bperm.
3798 2017-01-18  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
3800         * config/s390/s390-c.c (s390_expand_overloaded_builtin): Downcase
3801         first letter of error messages.
3802         (s390_resolve_overloaded_builtin): Likewise.
3803         * config/s390/s390.c (s390_expand_builtin): Likewise.
3804         (s390_invalid_arg_for_unprototyped_fn): Likewise.
3805         (s390_valid_target_attribute_inner_p): Likewise.
3806         * config/s390/s390.md ("tabort"): Likewise.
3808 2017-01-18  Toma Tabacu  <toma.tabacu@imgtec.com>
3810         * config/mips/mips.h (ISA_HAS_DIV3): Remove unused macro.
3811         (ISA_AVOID_DIV_HILO): New macro.
3812         (ISA_HAS_DIV): Use new ISA_AVOID_DIV_HILO macro.
3813         (ISA_HAS_DDIV): Likewise.
3815 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
3817         * doc/invoke.texi (fabi-version): Correct number of occurrences.
3819 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
3821         * doc/invoke.texi (fabi-version): Spelling fix.
3823 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
3825         PR c++/70182
3826         * doc/invoke.texi (fabi-version): Mention mangling fix for
3827         operator names.
3829 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
3831         PR c++/77489
3832         * doc/invoke.texi (fabi-version): Document discriminator mangling.
3834 2017-01-17  Segher Boessenkool  <segher@kernel.crashing.org>
3836         PR target/78875
3837         * config/rs6000/rs6000-opts.h (stack_protector_guard): New enum.
3838         * config/rs6000/rs6000.c (rs6000_option_override_internal): Handle
3839         the new options.
3840         * config/rs6000/rs6000.md (stack_protect_set): Handle the new more
3841         flexible settings.
3842         (stack_protect_test): Ditto.
3843         * config/rs6000/rs6000.opt (mstack-protector-guard=,
3844         mstack-protector-guard-reg=, mstack-protector-guard-offset=): New
3845         options.
3846         * doc/invoke.texi (Option Summary) [RS/6000 and PowerPC Options]:
3847         Add -mstack-protector-guard=, -mstack-protector-guard-reg=, and
3848         -mstack-protector-guard-offset=.
3849         (RS/6000 and PowerPC Options): Ditto.
3851 2017-01-17  Uros Bizjak  <ubizjak@gmail.com>
3853         * config/i386/i386.h (MASK_CLASS_P): New define.
3854         * config/i386/i386.c (inline_secondary_memory_needed): Ensure that
3855         there are no registers from different register sets also when
3856         mask registers are used.  Update function comment.
3857         * config/i386/i386.md (*movsi_internal): Split (*k/*krm) alternative
3858         to (*k/*r) and (*k/*km) alternatives.
3860 2017-01-17  Wilco Dijkstra  <wdijkstr@arm.com>
3862         * config/aarch64/aarch64.md (eh_return): Remove pattern and splitter.
3863         * config/aarch64/aarch64.h (AARCH64_EH_STACKADJ_REGNUM): Remove.
3864         (EH_RETURN_HANDLER_RTX): New define.
3865         * config/aarch64/aarch64.c (aarch64_frame_pointer_required):
3866         Force frame pointer in EH return functions.
3867         (aarch64_expand_epilogue): Add barrier for eh_return.
3868         (aarch64_final_eh_return_addr): Remove.
3869         (aarch64_eh_return_handler_rtx): New function.
3870         * config/aarch64/aarch64-protos.h (aarch64_final_eh_return_addr):
3871         Remove.
3872         (aarch64_eh_return_handler_rtx): New prototype.
3874 2017-01-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3876         * config/rs6000/altivec.h (vec_rlmi): New #define.
3877         (vec_vrlnm): Likewise.
3878         (vec_rlnm): Likewise.
3879         * config/rs6000/altivec.md (UNSPEC_VRLMI): New UNSPEC enum value.
3880         (UNSPEC_VRLNM): Likewise.
3881         (VIlong): New mode iterator.
3882         (altivec_vrl<VI_char>mi): New define_insn.
3883         (altivec_vrl<VI_char>nm): Likewise.
3884         * config/rs6000/rs6000-builtin.def (VRLWNM): New monomorphic
3885         function entry.
3886         (VRLDNM): Likewise.
3887         (RLNM): New polymorphic function entry.
3888         (VRLWMI): New monomorphic function entry.
3889         (VRLDMI): Likewise.
3890         (RLMI): New polymorphic function entry.
3891         * config/rs6000/r6000-c.c (altivec_overloaded_builtin_table): Add
3892         new entries for P9V_BUILTIN_VEC_RLMI and P9V_BUILTIN_VEC_RLNM.
3893         * doc/extend.texi: Add description of vec_rlmi, vec_rlnm, and
3894         vec_vrlnm.
3896 2017-01-17  Jakub Jelinek  <jakub@redhat.com>
3898         PR debug/78839
3899         * dwarf2out.c (field_byte_offset): Restore the
3900         PCC_BITFIELD_TYPE_MATTERS behavior for INTEGER_CST DECL_FIELD_OFFSET
3901         and DECL_FIELD_BIT_OFFSET.  Use fold_build2 instead of build2 + fold.
3902         (analyze_variants_discr, gen_variant_part): Use fold_build2 instead
3903         of build2 + fold.
3905 2017-01-17  Eric Botcazou  <ebotcazou@adacore.com>
3907         PR ada/67205
3908         * config/aarch64/aarch64.c (TARGET_CUSTOM_FUNCTION_DESCRIPTORS): Define
3910 2017-01-17  Jakub Jelinek  <jakub@redhat.com>
3912         PR debug/71669
3913         * dwarf2out.c (add_data_member_location_attribute): For constant
3914         offset bitfield emit for -gdwarf-5 DW_AT_data_bit_offset attribute
3915         instead of DW_AT_data_member_location, DW_AT_bit_offset and
3916         DW_AT_byte_size attributes.
3918 2017-01-17  Eric Botcazou  <ebotcazou@adacore.com>
3920         * config/rs6000/rs6000.c (rs6000_emit_move): Also use a TOC reference
3921         after forcing to constant memory when the code model is medium.
3923 2017-01-17  Julia Koval  <julia.koval@intel.com>
3925         PR target/76731
3926         * config/i386/avx512fintrin.h
3927         (_mm512_i32gather_ps): Change __addr type to void const*.
3928         (_mm512_mask_i32gather_ps): Ditto.
3929         (_mm512_i32gather_pd): Ditto.
3930         (_mm512_mask_i32gather_pd): Ditto.
3931         (_mm512_i64gather_ps): Ditto.
3932         (_mm512_mask_i64gather_ps): Ditto.
3933         (_mm512_i64gather_pd): Ditto.
3934         (_mm512_mask_i64gather_pd): Ditto.
3935         (_mm512_i32gather_epi32): Ditto.
3936         (_mm512_mask_i32gather_epi32): Ditto.
3937         (_mm512_i32gather_epi64): Ditto.
3938         (_mm512_mask_i32gather_epi64): Ditto.
3939         (_mm512_i64gather_epi32): Ditto.
3940         (_mm512_mask_i64gather_epi32): Ditto.
3941         (_mm512_i64gather_epi64): Ditto.
3942         (_mm512_mask_i64gather_epi64): Ditto.
3943         (_mm512_i32scatter_ps): Change __addr type to void*.
3944         (_mm512_mask_i32scatter_ps): Ditto.
3945         (_mm512_i32scatter_pd): Ditto.
3946         (_mm512_mask_i32scatter_pd): Ditto.
3947         (_mm512_i64scatter_ps): Ditto.
3948         (_mm512_mask_i64scatter_ps): Ditto.
3949         (_mm512_i64scatter_pd): Ditto.
3950         (_mm512_mask_i64scatter_pd): Ditto.
3951         (_mm512_i32scatter_epi32): Ditto.
3952         (_mm512_mask_i32scatter_epi32): Ditto.
3953         (_mm512_i32scatter_epi64): Ditto.
3954         (_mm512_mask_i32scatter_epi64): Ditto.
3955         (_mm512_i64scatter_epi32): Ditto.
3956         (_mm512_mask_i64scatter_epi32): Ditto.
3957         (_mm512_i64scatter_epi64): Ditto.
3958         (_mm512_mask_i64scatter_epi64): Ditto.
3959         * config/i386/avx512pfintrin.h
3960         (_mm512_mask_prefetch_i32gather_pd): Change __addr type to void const*.
3961         (_mm512_mask_prefetch_i32gather_ps): Ditto.
3962         (_mm512_mask_prefetch_i64gather_pd): Ditto.
3963         (_mm512_mask_prefetch_i64gather_ps): Ditto.
3964         (_mm512_prefetch_i32scatter_pd): Change __addr type to void*.
3965         (_mm512_prefetch_i32scatter_ps): Ditto.
3966         (_mm512_mask_prefetch_i32scatter_pd): Ditto.
3967         (_mm512_mask_prefetch_i32scatter_ps): Ditto.
3968         (_mm512_prefetch_i64scatter_pd): Ditto.
3969         (_mm512_prefetch_i64scatter_ps): Ditto.
3970         (_mm512_mask_prefetch_i64scatter_pd): Ditto.
3971         (_mm512_mask_prefetch_i64scatter_ps): Ditto.
3972         * config/i386/avx512vlintrin.h
3973         (_mm256_mmask_i32gather_ps): Change __addr type to void const*.
3974         (_mm_mmask_i32gather_ps): Ditto.
3975         (_mm256_mmask_i32gather_pd): Ditto.
3976         (_mm_mmask_i32gather_pd): Ditto.
3977         (_mm256_mmask_i64gather_ps): Ditto.
3978         (_mm_mmask_i64gather_ps): Ditto.
3979         (_mm256_mmask_i64gather_pd): Ditto.
3980         (_mm_mmask_i64gather_pd): Ditto.
3981         (_mm256_mmask_i32gather_epi32): Ditto.
3982         (_mm_mmask_i32gather_epi32): Ditto.
3983         (_mm256_mmask_i32gather_epi64): Ditto.
3984         (_mm_mmask_i32gather_epi64): Ditto.
3985         (_mm256_mmask_i64gather_epi32): Ditto.
3986         (_mm_mmask_i64gather_epi32): Ditto.
3987         (_mm256_mmask_i64gather_epi64): Ditto.
3988         (_mm_mmask_i64gather_epi64): Ditto.
3989         (_mm256_i32scatter_ps): Change __addr type to void*.
3990         (_mm256_mask_i32scatter_ps): Ditto.
3991         (_mm_i32scatter_ps): Ditto.
3992         (_mm_mask_i32scatter_ps): Ditto.
3993         (_mm256_i32scatter_pd): Ditto.
3994         (_mm256_mask_i32scatter_pd): Ditto.
3995         (_mm_i32scatter_pd): Ditto.
3996         (_mm_mask_i32scatter_pd): Ditto.
3997         (_mm256_i64scatter_ps): Ditto.
3998         (_mm256_mask_i64scatter_ps): Ditto.
3999         (_mm_i64scatter_ps): Ditto.
4000         (_mm_mask_i64scatter_ps): Ditto.
4001         (_mm256_i64scatter_pd): Ditto.
4002         (_mm256_mask_i64scatter_pd): Ditto.
4003         (_mm_i64scatter_pd): Ditto.
4004         (_mm_mask_i64scatter_pd): Ditto.
4005         (_mm256_i32scatter_epi32): Ditto.
4006         (_mm256_mask_i32scatter_epi32): Ditto.
4007         (_mm_i32scatter_epi32): Ditto.
4008         (_mm_mask_i32scatter_epi32): Ditto.
4009         (_mm256_i32scatter_epi64): Ditto.
4010         (_mm256_mask_i32scatter_epi64): Ditto.
4011         (_mm_i32scatter_epi64): Ditto.
4012         (_mm_mask_i32scatter_epi64): Ditto.
4013         (_mm256_i64scatter_epi32): Ditto.
4014         (_mm256_mask_i64scatter_epi32): Ditto.
4015         (_mm_i64scatter_epi32): Ditto.
4016         (_mm_mask_i64scatter_epi32): Ditto.
4017         (_mm256_i64scatter_epi64): Ditto.
4018         (_mm256_mask_i64scatter_epi64): Ditto.
4019         (_mm_i64scatter_epi64): Ditto.
4020         (_mm_mask_i64scatter_epi64): Ditto.
4021         * config/i386/i386-builtin-types.def (V16SF_V16SF_PCFLOAT_V16SI_HI_INT)
4022         (V8DF_V8DF_PCDOUBLE_V8SI_QI_INT, V8SF_V8SF_PCFLOAT_V8DI_QI_INT)
4023         (V8DF_V8DF_PCDOUBLE_V8DI_QI_INT, V16SI_V16SI_PCINT_V16SI_HI_INT)
4024         (V8DI_V8DI_PCINT64_V8SI_QI_INT, V8SI_V8SI_PCINT_V8DI_QI_INT)
4025         (V8DI_V8DI_PCINT64_V8DI_QI_INT, V2DF_V2DF_PCDOUBLE_V4SI_QI_INT)
4026         (V4DF_V4DF_PCDOUBLE_V4SI_QI_INT, V2DF_V2DF_PCDOUBLE_V2DI_QI_INT)
4027         (V4DF_V4DF_PCDOUBLE_V4DI_QI_INT, V4SF_V4SF_PCFLOAT_V4SI_QI_INT)
4028         (V8SF_V8SF_PCFLOAT_V8SI_QI_INT, V4SF_V4SF_PCFLOAT_V2DI_QI_INT)
4029         (V4SF_V4SF_PCFLOAT_V4DI_QI_INT, V2DI_V2DI_PCINT64_V4SI_QI_INT)
4030         (V4DI_V4DI_PCINT64_V4SI_QI_INT, V2DI_V2DI_PCINT64_V2DI_QI_INT)
4031         (V4DI_V4DI_PCINT64_V4DI_QI_INT, V4SI_V4SI_PCINT_V4SI_QI_INT)
4032         (V8SI_V8SI_PCINT_V8SI_QI_INT, V4SI_V4SI_PCINT_V2DI_QI_INT)
4033         (V4SI_V4SI_PCINT_V4DI_QI_INT, VOID_PFLOAT_HI_V16SI_V16SF_INT)
4034         (VOID_PFLOAT_QI_V8SI_V8SF_INT, VOID_PFLOAT_QI_V4SI_V4SF_INT)
4035         (VOID_PDOUBLE_QI_V8SI_V8DF_INT, VOID_PDOUBLE_QI_V4SI_V4DF_INT)
4036         (VOID_PDOUBLE_QI_V4SI_V2DF_INT, VOID_PFLOAT_QI_V8DI_V8SF_INT)
4037         (VOID_PFLOAT_QI_V4DI_V4SF_INT, VOID_PFLOAT_QI_V2DI_V4SF_INT)
4038         (VOID_PDOUBLE_QI_V8DI_V8DF_INT, VOID_PDOUBLE_QI_V4DI_V4DF_INT)
4039         (VOID_PDOUBLE_QI_V2DI_V2DF_INT, VOID_PINT_HI_V16SI_V16SI_INT)
4040         (VOID_PINT_QI_V8SI_V8SI_INT, VOID_PINT_QI_V4SI_V4SI_INT)
4041         (VOID_PLONGLONG_QI_V8SI_V8DI_INT, VOID_PLONGLONG_QI_V4SI_V4DI_INT)
4042         (VOID_PLONGLONG_QI_V4SI_V2DI_INT, VOID_PINT_QI_V8DI_V8SI_INT)
4043         (VOID_PINT_QI_V4DI_V4SI_INT, VOID_PINT_QI_V2DI_V4SI_INT)
4044         (VOID_PLONGLONG_QI_V8DI_V8DI_INT, VOID_QI_V8SI_PCINT64_INT_INT)
4045         (VOID_PLONGLONG_QI_V4DI_V4DI_INT, VOID_PLONGLONG_QI_V2DI_V2DI_INT)
4046         (VOID_HI_V16SI_PCINT_INT_INT, VOID_QI_V8DI_PCINT64_INT_INT)
4047         (VOID_QI_V8DI_PCINT_INT_INT): Remove.
4048         (V16SF_V16SF_PCVOID_V16SI_HI_INT,  V8DF_V8DF_PCVOID_V8SI_QI_INT)
4049         (V8SF_V8SF_PCVOID_V8DI_QI_INT, V8DF_V8DF_PCVOID_V8DI_QI_INT)
4050         (V16SI_V16SI_PCVOID_V16SI_HI_INT, V8DI_V8DI_PCVOID_V8SI_QI_INT)
4051         (V8SI_V8SI_PCVOID_V8DI_QI_INT, V8DI_V8DI_PCVOID_V8DI_QI_INT)
4052         (VOID_PVOID_HI_V16SI_V16SF_INT, VOID_PVOID_QI_V8SI_V8DF_INT)
4053         (VOID_PVOID_QI_V8DI_V8SF_INT, VOID_PVOID_QI_V8DI_V8DF_INT)
4054         (VOID_PVOID_HI_V16SI_V16SI_INT, VOID_PVOID_QI_V8SI_V8DI_INT)
4055         (VOID_PVOID_QI_V8DI_V8SI_INT, VOID_PVOID_QI_V8DI_V8DI_INT)
4056         (V2DF_V2DF_PCVOID_V4SI_QI_INT, V4DF_V4DF_PCVOID_V4SI_QI_INT)
4057         (V2DF_V2DF_PCVOID_V2DI_QI_INT, V4DF_V4DF_PCVOID_V4DI_QI_INT
4058         (V4SF_V4SF_PCVOID_V4SI_QI_INT, V8SF_V8SF_PCVOID_V8SI_QI_INT)
4059         (V4SF_V4SF_PCVOID_V2DI_QI_INT, V4SF_V4SF_PCVOID_V4DI_QI_INT)
4060         (V2DI_V2DI_PCVOID_V4SI_QI_INT, V4DI_V4DI_PCVOID_V4SI_QI_INT)
4061         (V2DI_V2DI_PCVOID_V2DI_QI_INT, V4DI_V4DI_PCVOID_V4DI_QI_INT)
4062         (V4SI_V4SI_PCVOID_V4SI_QI_INT, V8SI_V8SI_PCVOID_V8SI_QI_INT)
4063         (V4SI_V4SI_PCVOID_V2DI_QI_INT, V4SI_V4SI_PCVOID_V4DI_QI_INT)
4064         (VOID_PVOID_QI_V8SI_V8SF_INT, VOID_PVOID_QI_V4SI_V4SF_INT)
4065         (VOID_PVOID_QI_V4SI_V4DF_INT, VOID_PVOID_QI_V4SI_V2DF_INT)
4066         (VOID_PVOID_QI_V4DI_V4SF_INT, VOID_PVOID_QI_V2DI_V4SF_INT)
4067         (VOID_PVOID_QI_V4DI_V4DF_INT, VOID_PVOID_QI_V2DI_V2DF_INT)
4068         (VOID_PVOID_QI_V8SI_V8SI_INT, VOID_PVOID_QI_V4SI_V4SI_INT)
4069         (VOID_PVOID_QI_V4SI_V4DI_INT, VOID_PVOID_QI_V4SI_V2DI_INT)
4070         (VOID_PVOID_QI_V4DI_V4SI_INT, VOID_PVOID_QI_V2DI_V4SI_INT)
4071         (VOID_PVOID_QI_V4DI_V4DI_INT, VOID_PVOID_QI_V2DI_V2DI_INT)
4072         (VOID_QI_V8SI_PCVOID_INT_INT, VOID_HI_V16SI_PCVOID_INT_INT)
4073         (VOID_QI_V8DI_PCVOID_INT_INT): Add.
4074         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Adjust builtin
4075         definitions accordingly.
4077 2017-01-17  Kito Cheng  <kito.cheng@gmail.com>
4078             Kuan-Lin Chen  <kuanlinchentw@gmail.com>
4080         PR target/79079
4081         * internal-fn.c (expand_mul_overflow): Use convert_modes instead of
4082         gen_lowpart.
4084 2017-01-17  Vladimir Makarov  <vmakarov@redhat.com>
4086         PR target/79058
4087         * ira-conflicts.c (ira_build_conflicts): Update total conflict
4088         hard regs for inner regno.
4090 2017-01-17  Martin Liska  <mliska@suse.cz>
4092         PR ipa/71207
4093         * ipa-polymorphic-call.c (contains_type_p): Fix wrong
4094         assumption and add comment.
4096 2017-01-17  Nathan Sidwell  <nathan@acm.org>
4098         * ipa-visibility.c (localize_node): New function, broken out of ...
4099         (function_and_variable_visibility): ... here. Call it.
4101 2017-01-17  Jan Hubicka  <hubicka@ucw.cz>
4103         PR middle-end/77445
4104         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges):
4105         correctly set frequency of oudgoing edge.
4106         (duplicate_thread_path): Fix profile updating.
4108 2017-01-17  Jakub Jelinek  <jakub@redhat.com>
4110         PR other/79046
4111         * configure.ac: Add GCC_BASE_VER.
4112         * Makefile.in (version): Use @get_gcc_base_ver@ instead of cat to get
4113         version from BASE-VER file.
4114         (CFLAGS-gcc.o): Add -DBASEVER=$(BASEVER_s).
4115         (gcc.o): Depend on $(BASEVER).
4116         * common.opt (dumpfullversion): New option.
4117         * gcc.c (driver_handle_option): Handle OPT_dumpfullversion.
4118         * doc/invoke.texi: Document -dumpfullversion.
4119         * doc/install.texi: Document --with-gcc-major-version-only.
4120         * configure: Regenerated.
4122 2017-01-17  Richard Biener  <rguenther@suse.de>
4124         PR tree-optimization/71433
4125         * tree-vrp.c (register_new_assert_for): Merge same asserts
4126         on all incoming edges.
4127         (process_assert_insertions_for): Handle insertions at the
4128         beginning of BBs.
4130 2017-01-17  Gerald Pfeifer  <gerald@pfeifer.com>
4132         * config/i386/cygwin.h (LIBGCJ_SONAME): Remove.
4133         * config/i386/mingw32.h (LIBGCJ_SONAME): Remove.
4135 2017-01-17  Kaz Kojima  <kkojima@gcc.gnu.org>
4137         PR target/78633
4138         * config/sh/sh.md (cmpeqsi_t+1): Call copy_rtx to avoid invalid
4139         RTL sharing.
4141 2017-01-17  Alan Modra  <amodra@gmail.com>
4143         PR target/79066
4144         * config/rs6000/rs6000.md (elf_high, elf_low): Disable when pic.
4145         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Don't allow
4146         symbolic stack limit when pic.
4148 2017-01-16  Martin Sebor  <msebor@redhat.com>
4150         PR tree-optimization/78608
4151         * gimple-ssa-sprintf.c (tree_digits): Avoid negating TYPE_MIN.
4153 2017-01-16  Jeff Law  <law@redhat.com>
4155         Revert:
4156         2016-12-02  Tadek Kijkowski  <tkijkowski@gmail.com>
4157         * Makefile.in (PREPROCESSOR_DEFINES): Add a level of indirection
4158         for several include directories that may be relative to sysroot.
4159         * config/i386/x-mingw32 (gplus_includedir): Define.
4160         (gplus_tool_includedir, gplus_backward_include_dir): Likewise.
4161         (native_system_includedir): Likewise.
4162         * config/i386/mingw32.h (STANDARD_STARTFILE_PREFIX_1): Do not
4163         override if TARGET_SYSTEM_ROOT is defined.
4164         (NATIVE_SYSTEM_HEADER_DIR): Likewise.
4166         PR tree-optimization/79090
4167         PR tree-optimization/33562
4168         PR tree-optimization/61912
4169         PR tree-optimization/77485
4170         * tree-ssa-dse.c (compute_trims): Accept STMT argument.  Dump STMT
4171         and computed trims into the dump file.
4173 2017-01-17  Uros Bizjak  <ubizjak@gmail.com>
4175         * config/i386/i386.h (LIMIT_RELOAD_CLASS): Remove.
4177 2017-01-16  Jakub Jelinek  <jakub@redhat.com>
4179         PR c/79089
4180         * gimplify.c (gimplify_init_constructor): If want_value and
4181         object == lhs, unshare lhs to avoid invalid tree sharing.  Formatting
4182         fix.
4184         PR target/79080
4185         * loop-doloop.c (doloop_modify): Call unshare_all_rtl_in_chain on
4186         sequence.  Formatting fixes.
4187         (doloop_optimize): Formatting fixes.
4189         PR driver/49726
4190         * gcc.c (debug_level_greater_than_spec_func): New function.
4191         (static_spec_functions): Add debug-level-gt spec function.
4192         (ASM_DEBUG_SPEC, cpp_options): Use %:debug-level-gt(0) instead of
4193         !g0.
4194         * config/darwin.h (DSYMUTIL_SPEC, ASM_DEBUG_SPEC): Likewise.
4195         * config/darwin9.h (DSYMUTIL_SPEC, ASM_DEBUG_SPEC): Likewise.
4196         * common.opt (g, gcoff, gdwarf, gdwarf-, ggdb, gno-pubnames,
4197         gpubnames, ggnu-pubnames, gno-record-gcc-switches,
4198         grecord-gcc-switches, gno-strict-dwarf, gstrict-dwarf, gstabs,
4199         gstabs+, gtoggle, gvms, gxcoff, gxcoff+): Add Driver flag.
4201 2017-01-16  Uros Bizjak  <ubizjak@gmail.com>
4203         * config/i386/i386.h (HARD_REGNO_CALLER_SAVE_MODE): Apply HImode and
4204         QImode fixups to general and mask registers only.
4206 2017-01-16  Carl Love  <cel@us.ibm.com>
4208         * config/rs6000/rs6000-c (altivec_overloaded_builtins): Add support
4209         for built-in functions
4210         vector signed char vec_nabs (vector signed char)
4211         vector signed short vec_nabs (vector signed short)
4212         vector signed int vec_nabs (vector signed int)
4213         vector signed long long vec_nabs (vector signed long long)
4214         vector float vec_nabs (vector float)
4215         vector double vec_nabs (vector double)
4216         * config/rs6000/rs6000-builtin.def: Add definitions for NABS functions
4217         and NABS overload.
4218         * config/rs6000/altivec.md: New define_expand nabs<mode>2 types
4219         * config/rs6000/altivec.h: New define for vec_nabs built-in function.
4220         * doc/extend.texi: Update the documentation file for the new built-in
4221         functions.
4223 2017-01-16  Martin Sebor  <msebor@redhat.com>
4225         * gimple-ssa-sprintf.c (format_directive): Correct a typo in a warning
4226         message.
4228 2017-01-16  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4230         * config/rs6000/rs6000.c (rtx_is_swappable_p): Change
4231         UNSPEC_VSX__XXSPLTD to require special splat handling.
4233 2017-01-16  David Malcolm  <dmalcolm@redhat.com>
4235         PR bootstrap/78616
4236         * system.h: Poison strndup.
4238 2017-01-16  Alan Modra  <amodra@gmail.com>
4240         PR target/79098
4241         * config/rs6000/rs6000.c (rs6000_legitimate_combined_insn): Don't
4242         use a switch.
4244 2017-01-16  Georg-Johann Lay  <avr@gjlay.de>
4246         * config/avr/avr.h (BRANCH_COST) [reload_completed]: Increase by 4.
4248 2017-01-15  Uros Bizjak  <ubizjak@gmail.com>
4250         * config/i386/i386.c (ix86_legitimate_combined_insn): Do not
4251         call recog here.  Assert that INSN_CODE (insn) is non-negative.
4253 2017-01-15  Segher Boessenkool  <segher@kernel.crashing.org>
4255         PR target/72749
4256         * cfgrtl.c (rtl_split_edge): Also patch jump insns that jump to the
4257         fallthrough.
4258         * haifa-sched.c (dump_insn_stream): Don't crash if there is a label
4259         in the currently scheduled RTL fragment.
4261 2017-01-15  Segher Boessenkool  <segher@kernel.crashing.org>
4263         PR rtl-optimization/78751
4264         * ifcvt.c (find_cond_trap): If we generated a non-existing insn,
4265         give up.
4267 2017-01-14  Jeff Law  <law@redhat.com>
4269         PR tree-optimization/79090
4270         * tree-ssa-dse.c (valid_ao_ref_for_dse): Reject zero length and
4271         variable length stores.
4272         (compute_trims): Delete dead assignment to *trim_tail.
4273         (dse_dom_walker::dse_optimize_stmt): Optimize mem* calls with
4274         zero length.
4276 2017-01-14  Bernd Schmidt  <bschmidt@redhat.com>
4278         PR rtl-optimization/78626
4279         PR rtl-optimization/78727
4280         * cprop.c (one_cprop_pass): Collect unconditional traps in the middle
4281         of a block, and split such blocks after everything else is finished.
4283 2017-01-14  Alan Modra  <amodra@gmail.com>
4285         PR target/72749
4286         * combine.c (recog_for_combine_1): Set INSN_CODE before calling
4287         target legitimate_combined_insn.
4288         * config/rs6000/rs6000.c (TARGET_LEGITIMATE_COMBINED_INSN): Define.
4289         (rs6000_legitimate_combined_insn): New function.
4290         * config/rs6000/rs6000.md (UNSPEC_DOLOOP): Delete, and remove
4291         all uses.
4292         (ctr<mode>_internal3): Rename from *ctr<mode>_internal5.
4293         (ctr<mode>_internal4): Rename from *ctr<mode>_internal6.
4294         (ctr<mode>_internal1, ctr<mode>_internal2): Remove '*' from name.
4296 2017-01-14  Gerald Pfeifer  <gerald@pfeifer.com>
4298         * doc/frontends.texi (G++ and GCC): Remove references to Java.
4300 2017-01-13  Jeff Law  <law@redhat.com>
4302         PR tree-optimization/33562
4303         PR tree-optimization/61912
4304         PR tree-optimization/77485
4305         * tree-ssa-dse.c (delete_dead_call): Accept gsi rather than
4306         a statement.
4307         (delete_dead_assignment): Likewise.
4308         (dse_dom_walker::dse_optimize_stmt): Pass in the gsi rather than
4309         statement to delete_dead_call and delete_dead_assignment.
4311 2017-01-13  David Malcolm  <dmalcolm@redhat.com>
4313         PR c/78304
4314         * substring-locations.c (format_warning_va): Strengthen case 1 so
4315         that both endpoints of the substring must be within the format
4316         range for just the substring to be printed.
4318 2017-01-13  Uros Bizjak  <ubizjak@gmail.com>
4320         * config/i386/i386.opt (msgx): Use ix86_isa_flags2 variable.
4321         * config/i386/i386.c (ix86_target_string): Add missing options
4322         to isa_opts and reorder options by implied ISAs.  Rename isa_opts2 to
4323         isa2_opts, ix86_flag_opts to flag2_opts, ix86_target_other to
4324         flags_other and ix86_target_other to flags2_other.  Display unknown
4325         isa2 options.
4326         (ix86_valid_target_attribute_inner_p): Add missing options and
4327         reorder options by implied ISAs, as in ix86_target_string.
4329 2017-01-13  Richard Sandiford  <richard.sandiford@arm.com>
4331         * hash-table.h (hash_table::too_empty_p): New function.
4332         (hash_table::expand): Use it.
4333         (hash_table::traverse): Likewise.
4334         (hash_table::empty_slot): Use sizeof (value_type) instead of
4335         sizeof (PTR) to convert bytes to elements.  Shrink the table
4336         if the current size is excessive for the current number of
4337         elements.
4339 2017-01-13  Richard Sandiford  <richard.sandiford@arm.com>
4341         * ira-costs.c (record_reg_classes): Break from the inner loop
4342         early once alt_fail is known to be true.  Update outer loop
4343         handling accordingly.
4345 2017-01-13  Jeff Law  <law@redhat.com>
4347         * tree-ssa-dse.c (decrement_count): New function.
4348         (increment_start_addr, maybe_trim_memstar_call): Likewise.
4349         (dse_dom_walker::optimize_stmt): Call maybe_trim_memstar_call directly
4350         when we know the partially dead statement is a mem* function.
4352         PR tree-optimization/61912
4353         PR tree-optimization/77485
4354         * tree-ssa-dse.c: Include expr.h.
4355         (maybe_trim_constructor_store): New function.
4356         (maybe_trim_partially_dead_store): Call maybe_trim_constructor_store.
4358         PR tree-optimization/33562
4359         PR tree-optimization/61912
4360         PR tree-optimization/77485
4361         * doc/invoke.texi: Document new dse-max-object-size param.
4362         * params.def (PARM_DSE_MAX_OBJECT_SIZE): New PARAM.
4363         * tree-ssa-dse.c: Include params.h.
4364         (dse_store_status): New enum.
4365         (initialize_ao_ref_for_dse): New, partially extracted from
4366         dse_optimize_stmt.
4367         (valid_ao_ref_for_dse, normalize_ref): New.
4368         (setup_live_bytes_from_ref, compute_trims): Likewise.
4369         (clear_bytes_written_by, maybe_trim_complex_store): Likewise.
4370         (maybe_trim_partially_dead_store): Likewise.
4371         (maybe_trim_complex_store): Likewise.
4372         (dse_classify_store): Renamed from dse_possibly_dead_store_p.
4373         Track what bytes live from the original store.  Return tri-state
4374         for dead, partially dead or live.
4375         (dse_dom_walker): Add constructor, destructor and new private members.
4376         (delete_dead_call, delete_dead_assignment): New extracted from
4377         dse_optimize_stmt.
4378         (dse_optimize_stmt): Make a member of dse_dom_walker.
4379         Use initialize_ao_ref_for_dse.
4381         PR tree-optimization/33562
4382         PR tree-optimization/61912
4383         PR tree-optimization/77485
4384         * sbitmap.h (bitmap_count_bits): Prototype.
4385         (bitmap_clear_range, bitmap_set_range): Likewise.
4386         * sbitmap.c (bitmap_clear_range): New function.
4387         (bitmap_set_range, sbitmap_popcount, bitmap_count_bits): Likewise.
4389 2017-01-13  Martin Liska  <mliska@suse.cz>
4391         PR ipa/79043
4392         * function.c (set_cfun): Add new argument force.
4393         * function.h (set_cfun): Likewise.
4394         * ipa-inline-transform.c (inline_call): Use the function when
4395         strict alising from is dropped for function we inline to.
4397 2017-01-13  Richard Biener  <rguenther@suse.de>
4399         * tree-pretty-print.c (dump_generic_node): Fix inverted condition
4400         for dumping GIMPLE INTEGER_CSTs.
4402 2017-01-13  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4404         * config/sol2.h (TARGET_OS_CPP_BUILTINS): Define __STDC_VERSION__
4405         to 201112L since C++17.
4407 2017-01-13  Maxim Ostapenko  <m.ostapenko@samsung.com>
4409         PR sanitizer/78887
4410         * asan.c (asan_needs_odr_indicator_p): Don't emit ODR indicators
4411         if -fsanitize=kernel-address is present.
4413 2017-01-13  Richard Biener  <rguenther@suse.de>
4415         * tree-pretty-print.c (dump_generic_node): Dump INTEGER_CSTs
4416         as _Literal ( type ) number in case usual suffixes do not
4417         preserve all information.
4419 2017-01-13  Richard Biener  <rguenther@suse.de>
4421         PR tree-optimization/77283
4422         * gimple-ssa-split-paths.c: Include gimple-ssa.h, tree-phinodes.h
4423         and ssa-iterators.h.
4424         (is_feasible_trace): Implement a cost model based on joiner
4425         PHI node uses.
4427 2017-01-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
4429         PR target/79004
4430         * config/rs6000/rs6000.md (FP_ISA3): Do not optimize converting
4431         char or short to __float128/_Float128 directly.
4433 2017-01-12  Martin Sebor  <msebor@redhat.com>
4435         to -Wformat-overflow.
4436         * gimple-ssa-sprintf.c (pass_sprintf_length::gate): Adjust.
4437         (min_bytes_remaining): Same.
4438         (get_string_length): Same.
4439         (format_string): Same.
4440         (format_directive): Same.
4441         (add_bytes): Same.
4442         (pass_sprintf_length::handle_gimple_call): Same.
4444 2017-01-12  Jakub Jelinek  <jakub@redhat.com>
4446         * gimple-ssa-sprintf.c (try_substitute_return_value): Remove
4447         info.nowrite calls with no lhs that can't throw.  Return bool
4448         whether gsi_remove has been called or not.
4449         (pass_sprintf_length::handle_gimple_call): Return bool whether
4450         try_substitute_return_value called gsi_remove.  Formatting fix.
4451         (pass_sprintf_length::execute): Don't use gsi_remove if
4452         handle_gimple_call returned true.
4454         PR bootstrap/79069
4455         * cfgrtl.c (rtl_tidy_fallthru_edge): For any_uncondjump_p that can't
4456         be removed due to side-effects, don't remove following barrier nor
4457         turn the successor edge into fallthru edge.
4459 2017-01-12  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4461         PR target/79044
4462         * config/rs6000/rs6000.c (insn_is_swappable_p): Mark
4463         element-reversing loads and stores as not swappable.
4465 2017-01-12  Nathan Sidwell  <nathan@acm.org>
4466             Nicolai Stange  <nicstange@gmail.com>
4468         * combine.c (try_combine): Don't ignore result of overlap checking
4469         loop.  Combine overlap & asm check into single loop.
4471 2017-01-12  Richard Biener  <rguenther@suse.de>
4473         * tree-pretty-print.c (dump_generic_node): Provide -gimple
4474         variant for MEM_REF.  Sanitize INTEGER_CST for -gimple.
4476 2017-01-12  Richard Biener  <rguenther@suse.de>
4478         * tree.c (initialize_tree_contains_struct): Make TS_OPTIMIZATION
4479         and TS_TARGET_OPTION directly derive from TS_BASE.
4480         * tree-core.h (tree_optimization_option): Derive from tree_base.
4481         (tree_target_option): Likewise.
4483 2017-01-11  Uros Bizjak  <ubizjak@gmail.com>
4485         * config/i386/i386.c (memory_address_length): Increase len
4486         only when rip_relative_addr_p returns false.
4488 2017-01-11  Julia Koval  <julia.koval@intel.com>
4490         * common/config/i386/i386-common.c (OPTION_MASK_ISA_SGX_UNSET): New.
4491         (OPTION_MASK_ISA_SGX_SET): New.
4492         (ix86_handle_option): Handle OPT_msgx.
4493         * config.gcc: Added sgxintrin.h.
4494         * config/i386/driver-i386.c (host_detect_local_cpu): Detect sgx.
4495         * config/i386/i386-c.c (ix86_target_macros_internal): Define __SGX__.
4496         * config/i386/i386.c (ix86_target_string): Add -msgx.
4497         (PTA_SGX): New.
4498         (ix86_option_override_internal): Handle new options.
4499         (ix86_valid_target_attribute_inner_p): Add sgx.
4500         * config/i386/i386.h (TARGET_SGX, TARGET_SGX_P): New.
4501         * config/i386/i386.opt: Add msgx.
4502         * config/i386/sgxintrin.h: New file.
4503         * config/i386/x86intrin.h: Add sgxintrin.h.
4505 2017-01-11  Jakub Jelinek  <jakub@redhat.com>
4507         PR c++/71537
4508         * fold-const.c (maybe_nonzero_address): Return 1 for function
4509         local objects.
4510         (tree_single_nonzero_warnv_p): Don't handle function local objects
4511         here.
4513         PR c++/72813
4514         * gcc.c (default_compilers): Don't add -o %g.s for -S -save-temps
4515         of c-header.
4517 2017-01-11  David Malcolm  <dmalcolm@redhat.com>
4519         PR driver/78877
4520         * opts.c: Include "spellcheck.h"
4521         (struct string_fragment): New struct.
4522         (struct edit_distance_traits<const string_fragment &>): New
4523         struct.
4524         (get_closest_sanitizer_option): New function.
4525         (parse_sanitizer_options): Offer suggestions for unrecognized arguments.
4527 2017-01-11  Jakub Jelinek  <jakub@redhat.com>
4529         * dwarf2out.c (DWARF_COMPILE_UNIT_HEADER_SIZE): For DWARF5 decrease
4530         by 12.
4531         (DWARF_COMDAT_TYPE_UNIT_HEADER_SIZE): Always
4532         DWARF_COMPILE_UNIT_HEADER_SIZE plus 12.
4533         (DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE): Define.
4534         (calc_base_type_die_sizes): Use DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE
4535         for initial die_offset if dwarf_split_debug_info.
4536         (output_comp_unit): Use DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE for
4537         initial next_die_offset if dwo_id is non-NULL.  Don't emit padding
4538         fields.
4539         (output_skeleton_debug_sections): Formatting fix.  Use
4540         DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE instead of
4541         DWARF_COMPILE_UNIT_HEADER_SIZE.  Don't emit padding.
4543 2017-01-11  Wilco Dijkstra  <wdijkstr@arm.com>
4545         * config/arm/cortex-a53.md: Add bypasses for
4546         cortex_a53_r2f_cvt.
4547         (cortex_a53_r2f): Only use for transfers.
4548         (cortex_a53_f2r): Likewise.
4549         (cortex_a53_r2f_cvt): Add reservation for conversions.
4550         (cortex_a53_f2r_cvt): Likewise.
4552 2017-01-11  Tamar Christina  <tamar.christina@arm.com>
4554         * config/arm/arm_neon.h: Add __artificial__ and gnu_inline
4555         to all inlined functions, change static to extern.
4557 2017-01-11  Christophe Lyon  <christophe.lyon@linaro.org>
4559         PR target/78253
4560         * config/arm/arm.c (legitimize_pic_address): Handle reference to
4561         weak symbol.
4562         (arm_assemble_integer): Likewise.
4564 2017-01-11  Richard Earnshaw  <rearnsha@arm.com>
4566         * config.gcc: Use new awk script to check CPU, FPU and architecture
4567         parameters for --with-... options.
4568         * config/arm/parsecpu.awk: New file
4569         * config/arm/arm-cpus.in: New file.
4570         * config/arm/arm-opts.h: Include arm-cpu.h instead of processing .def
4571         files.
4572         * config/arm/arm.c: Include arm-cpu-data.h instead of processing .def
4573         files.
4574         * config/arm/t-arm: Update dependency rules.
4575         * common/config/arm/arm-common.c: Include arm-cpu-cdata.h instead
4576         of processing .def files.
4577         * config/arm/genopt.sh: Deleted.
4578         * config/arm/gentune.sh: Deleted.
4579         * config/arm/arm-cores.def: Deleted.
4580         * config/arm/arm-arches.def: Deleted.
4581         * config/arm/arm-fpus.def: Deleted.
4582         * config/arm/arm-tune.md: Regenerated.
4583         * config/arm/arm-tables.opt: Regenerated.
4584         * config/arm/arm-cpu.h: New generated file.
4585         * config/arm/arm-cpu-data.h: New generated file.
4586         * config/arm/arm-cpu-cdata.h: New generated file.
4588 2017-01-11  Maxim Ostapenko  <m.ostapenko@samsung.com>
4590         PR lto/79042
4591         * lto-cgraph.c (lto_output_varpool_node): Pack dynamically_initialized
4592         bit.
4593         (input_varpool_node): Unpack dynamically_initialized bit.
4595 2017-01-11  Eric Botcazou  <ebotcazou@adacore.com>
4597         PR rtl-optimization/79032
4598         * lra-constraints.c (simplify_operand_subreg): In the MEM case, test
4599         the alignment of the adjusted memory reference against that of MODE,
4600         instead of the alignment of the original memory reference.
4602 2017-01-11  Martin Jambor  <mjambor@suse.cz>
4604         * hsa.c (hsa_callable_function_p): Revert addition of DECL_ARTIFICIAL
4605         test.
4606         * ipa-hsa.c (process_hsa_functions): Only duplicate non-artificial
4607         decorated functions.
4609 2017-01-11  Richard Biener  <rguenther@suse.de>
4611         * tree-vrp.c (evrp_dom_walker::before_dom_children): Also
4612         set range/nonnull info for PHI results.  Do not set it on
4613         stmts marked for removal.
4615 2017-01-10  Eric Botcazou  <ebotcazou@adacore.com>
4617         * expr.c (store_field): In the bitfield case, fetch the return value
4618         from the registers before applying a single big-endian adjustment.
4619         Always do a final load for a BLKmode value not larger than a word.
4621 2017-01-10  David Malcolm  <dmalcolm@redhat.com>
4623         PR c++/77949
4624         * input.c (selftest::test_accessing_ordinary_linemaps): Verify
4625         that we correctly handle column numbers greater than
4626         LINE_MAP_MAX_COLUMN_NUMBER.
4628 2017-01-10  Martin Sebor  <msebor@redhat.com>
4630         PR middle-end/78245
4631         * gimple-ssa-sprintf.c (get_destination_size): Call
4632         {init,fini}object_sizes.
4633         * tree-object-size.c (addr_object_size): Adjust.
4634         (pass_through_call): Adjust.
4635         (pass_object_sizes::execute): Adjust.
4636         * tree-object-size.h (fini_object_sizes): Declare.
4638 2017-01-10  Martin Sebor  <msebor@redhat.com>
4640         PR tree-optimization/78775
4641         * builtins.c (get_size_range): Move...
4642         * calls.c: ...to here.
4643         (alloc_max_size): Accept zero argument.
4644         (operand_signed_p): Remove.
4645         (maybe_warn_alloc_args_overflow): Call get_size_range.
4646         * calls.h (get_size_range): Declare.
4648 2017-01-10  Joe Seymour  <joe.s@somniumtech.com>
4650         * config/msp430/driver-msp430.c (msp430_mcu_data): Sync with data
4651         from TI's devices.csv file as of September 2016.
4652         * config/msp430/msp430.c (msp430_mcu_data): Likewise.
4654 2017-01-10  Sandra Loosemore  <sandra@codesourcery.com>
4656         * doc/extend.texi: Tweak formatting to fix overfull hbox warnings.
4657         * doc/invoke.texi: Likewise.
4658         * doc/md.texi: Likewise.
4659         * doc/objc.texi: Likewise.
4661 2017-01-10  Joshua Conner  <joshconner@google.com>
4663         * config/arm/fuchsia-elf.h: New file.
4664         * config/fuchsia.h: New file.
4665         * config.gcc (*-*-fuchsia*): Set native_system_header_dir.
4666         (aarch64*-*-fuchsia*, arm*-*-fuchsia*, x86_64-*-fuchsia*): Add to
4667         targets.
4668         * config.host: (aarch64*-*-fuchsia*, arm*-*-fuchsia*): Add to hosts.
4670 2016-01-10  Richard Biener  <rguenther@suse.de>
4672         PR tree-optimization/79034
4673         * tree-call-cdce.c (shrink_wrap_one_built_in_call_with_conds):
4674         Propagate out degenerate PHIs in the joiner.
4676 2017-01-10  Martin Liska  <mliska@suse.cz>
4678         * ipa-icf.c (sort_sem_items_by_decl_uid): New function.
4679         (sort_congruence_classes_by_decl_uid): Likewise.
4680         (sort_congruence_class_groups_by_decl_uid): Likewise.
4681         (sem_item_optimizer::merge_classes): Sort class, groups in these
4682         classes and members in the groups by DECL_UID of declarations.
4683         This would make merge operations stable.
4685 2017-01-10  Martin Liska  <mliska@suse.cz>
4687         * ipa-icf.c (sem_item_optimizer::sem_item_optimizer): Remove
4688         usage of m_classes_vec.
4689         (sem_item_optimizer::~sem_item_optimizer):  Likewise.
4690         (sem_item_optimizer::get_group_by_hash): Likewise.
4691         (sem_item_optimizer::subdivide_classes_by_equality): Likewise.
4692         (sem_item_optimizer::subdivide_classes_by_sensitive_refs): Likewise.
4693         (sem_item_optimizer::verify_classes): Likewise.
4694         (sem_item_optimizer::process_cong_reduction): Likewise.
4695         (sem_item_optimizer::dump_cong_classes): Likewise.
4696         (sem_item_optimizer::merge_classes): Likewise.
4697         * ipa-icf.h (congruence_class_hash): Rename from
4698         congruence_class_group_hash.  Remove declaration of m_classes_vec.
4700 2017-01-10  Andrew Senkevich  <andrew.senkevich@intel.com>
4702         * common/config/i386/i386-common.c (OPTION_MASK_ISA_AVX512VPOPCNTDQ_SET,
4703         OPTION_MASK_ISA_AVX512VPOPCNTDQ_UNSET): New.
4704         * config.gcc: Add avx512vpopcntdqintrin.h.
4705         * config/i386/avx512vpopcntdqintrin.h: New.
4706         * config/i386/cpuid.h (bit_AVX512VPOPCNTDQ): New.
4707         * config/i386/i386-builtin-types.def: Add new types.
4708         * config/i386/i386-builtin.def (__builtin_ia32_vpopcountd_v16si,
4709         __builtin_ia32_vpopcountd_v16si_mask, __builtin_ia32_vpopcountq_v8di,
4710         __builtin_ia32_vpopcountq_v8di_mask): New.
4711         * config/i386/i386-c.c (ix86_target_macros_internal): Define
4712         __AVX512VPOPCNTDQ__.
4713         * config/i386/i386.c (ix86_target_string): Add -mavx512vpopcntdq.
4714         (PTA_AVX512VPOPCNTDQ): Define.
4715         * config/i386/i386.h (TARGET_AVX512VPOPCNTDQ,
4716         TARGET_AVX512VPOPCNTDQ_P): Define.
4717         * config/i386/i386.opt: Add mavx512vpopcntdq.
4718         * config/i386/immintrin.h: Include avx512vpopcntdqintrin.h.
4719         * config/i386/sse.md (define_insn "vpopcount<mode><mask_name>"): New.
4721 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
4723         PR middle-end/77484
4724         * predict.def (PRED_CALL): Set to 67.
4726 2017-01-09  Eric Botcazou  <ebotcazou@adacore.com>
4728         * expr.c (store_field): In the bitfield case, if the value comes from
4729         a function call and is of an aggregate type returned in registers, do
4730         not modify the field mode; extract the value in all cases if the mode
4731         is BLKmode and the size is not larger than a word.
4733 2017-01-09  Dominique d'Humieres  <dominiq@lps.ens.fr>
4735         PR target/71017
4736         * config/i386/cpuid.h: Fix undefined behavior.
4738 2017-01-04  Jeff Law  <law@redhat.com>
4740         PR tree-optimization/79007
4741         PR tree-optimization/67955
4742         * tree-ssa-alias.c (same_addr_size_stores_p): Only need to be
4743         conservative for pt.null when flag_non_call_exceptions is on.
4745 2017-01-09  Jakub Jelinek  <jakub@redhat.com>
4747         PR translation/79019
4748         PR translation/79020
4749         * params.def (PARAM_INLINE_MIN_SPEEDUP,
4750         PARAM_IPA_CP_SINGLE_CALL_PENALTY,
4751         PARAM_USE_AFTER_SCOPE_DIRECT_EMISSION_THRESHOLD): Fix typos
4752         in descriptions.
4753         * config/avr/avr.opt (maccumulate-args): Likewise.
4754         * config/msp430/msp430.opt (mwarn-mcu): Likewise.
4755         * common.opt (freport-bug): Likewise.
4756         * cif-code.def (CIF_FINAL_ERROR): Likewise.
4757         * doc/invoke.texi (ipa-cp-single-call-penalty): Likewise.
4758         * config/s390/s390.c (s390_invalid_binary_op): Fix spelling in
4759         translatable string.
4760         * config/i386/i386.c (function_value_32): Likewise.
4761         * config/nios2/nios2.c (nios2_valid_target_attribute_rec): Likewise.
4762         * config/msp430/msp430.c (msp430_option_override, msp430_attr):
4763         Likewise.
4764         * config/msp430/driver-msp430.c (msp430_select_hwmult_lib): Likewise.
4765         * common/config/msp430/msp430-common.c (msp430_handle_option):
4766         Likewise.
4767         * symtab.c (symtab_node::verify_base): Likewise.
4768         * opts.c (set_debug_level): Likewise.
4769         * tree.c (verify_type_variant): Likewise.  Fix typo in comment.
4770         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Add
4771         missing whitespace to translatable strings.
4772         * config/avr/avr.md (bswapsi2): Fix typo in comment.
4773         * config/sh/superh.h: Likewise.
4774         * config/i386/xopintrin.h: Likewise.
4775         * config/i386/znver1.md: Likewise.
4776         * config/rs6000/rs6000.c (struct rs6000_opt_mask): Likewise.
4777         * ipa-inline-analysis.c (compute_inline_parameters): Likewise.
4778         * double-int.h (struct double_int): Likewise.
4779         * double-int.c (div_and_round_double): Likewise.
4780         * wide-int.cc: Likewise.
4781         * tree-ssa.c (non_rewritable_mem_ref_base): Likewise.
4782         * tree-ssa-sccvn.c (vn_reference_lookup_3): Likewise.
4783         * cfgcleanup.c (crossjumps_occured): Renamed to ...
4784         (crossjumps_occurred): ... this.
4785         (try_crossjump_bb, try_head_merge_bb, try_optimize_cfg, cleanup_cfg):
4786         Adjust all uses.
4788         PR tree-optimization/78899
4789         * tree-if-conv.c (version_loop_for_if_conversion): Instead of
4790         returning bool return struct loop *, NULL for failure and the new
4791         loop on success.
4792         (versionable_outer_loop_p): Don't version outer loop if it has
4793         dont_vectorized bit set.
4794         (tree_if_conversion): When versioning outer loop, ensure
4795         tree_if_conversion is performed also on the inner loop of the
4796         non-vectorizable outer loop copy.
4797         * tree-vectorizer.c (set_uid_loop_bbs): Formatting fix.  Fold
4798         LOOP_VECTORIZED in inner loop of the scalar outer loop and
4799         prevent vectorization of it.
4800         (vectorize_loops): For outer + inner LOOP_VECTORIZED, ensure
4801         the outer loop vectorization of the non-scalar version is attempted
4802         before vectorization of the inner loop in scalar version.  If
4803         outer LOOP_VECTORIZED guarded loop is not vectorized, prevent
4804         vectorization of its inner loop.
4805         * tree-vect-loop-manip.c (rename_variables_in_bb): If outer_loop
4806         has 2 inner loops, rename also on edges from bb whose single pred
4807         is outer_loop->header.  Fix typo in function comment.
4809 2017-01-09  Martin Sebor  <msebor@redhat.com>
4811         PR bootstrap/79033
4812         * asan.c (asan_emit_stack_protection): Increase local buffer size
4813         to avoid snprintf truncation warning.
4815 2017-01-09  Andrew Pinski  <apinski@cavium.com>
4817         * config/aarch64/aarch64-cores.def: Add thunderx2t99.  Change vulcan
4818         to reference thunderx2t99 for the tuning structure
4819         * config/aarch64/aarch64-cost-tables.h (vulcan_extra_costs):
4820         Rename to ...
4821         (thunderx2t99_extra_costs): This.
4822         * config/aarch64/aarch64-tune.md: Regenerate.
4823         * config/aarch64/aarch64.c (vulcan_addrcost_table): Rename to ...
4824         (vulcan_addrcost_table): This.
4825         (vulcan_regmove_cost): Rename to ...
4826         (thunderx2t99_regmove_cost): This.
4827         (vulcan_vector_cost): Rename to ...
4828         (thunderx2t99_vector_cost): this.
4829         (vulcan_branch_cost): Rename to ...
4830         (thunderx2t99_branch_cost): This.
4831         (vulcan_tunings): Rename to ...
4832         (thunderx2t99_tunings): This and s/vulcan/thunderx2t99 .
4833         * doc/invoke.texi (AARCH64/mtune): Add thunderx2t99.
4835 2017-01-09  Martin Jambor  <mjambor@suse.cz>
4837         PR ipa/78365
4838         PR ipa/78599
4839         * ipa-prop.h (ipa_jump_func): Swap positions of vr_known and m_vr.
4840         * ipa-cp.c (ipa_vr_operation_and_type_effects): New function.
4841         (propagate_vr_accross_jump_function): Use the above function for all
4842         value range computations for pass-through jump functions and type
4843         converasion from explicit value range values.
4844         (ipcp_propagate_stage): Do not attempt to deduce types of formal
4845         parameters from TYPE_ARG_TYPES.
4846         * ipa-prop.c (ipa_write_jump_function): Remove trailing whitespace.
4847         (ipa_write_node_info): Stream type of the actual argument.
4848         (ipa_read_node_info): Likewise. Also remove trailing whitespace.
4850 2017-01-09  Martin Liska  <mliska@suse.cz>
4852         PR pch/78970
4853         * gcc.c (driver_handle_option): Handle OPT_E and set have_E.
4854         (lookup_compiler): Do not show error message with have_E.
4856 2017-01-09  Jakub Jelinek  <jakub@redhat.com>
4858         PR tree-optimization/78938
4859         * tree-vect-stmts.c (vectorizable_condition): For non-masked COND_EXPR
4860         where comp_vectype is VECTOR_BOOLEAN_TYPE_P, use
4861         BIT_{NOT,XOR,AND,IOR}_EXPR on the comparison operands instead of
4862         {EQ,NE,GE,GT,LE,LT}_EXPR directly inside of VEC_COND_EXPR.  Formatting
4863         fixes.
4865 2017-01-09  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4867         * tree-ssa-address.c (gen_addr_rtx): Don't handle index if it
4868         is const0_rtx.
4870 2017-01-09  Richard Biener  <rguenther@suse.de>
4872         PR tree-optimization/78997
4873         * tree-vect-slp.c (vect_mask_constant_operand_p): Handle SSA
4874         name condition properly.
4876 2017-01-09  Richard Biener  <rguenther@suse.de>
4878         PR debug/79000
4879         * dwarf2out.c (is_cxx): New overload with context.
4880         (is_naming_typedef_decl): Use it.
4882 2017-01-08  Sandra Loosemore  <sandra@codesourcery.com>
4884         * invoke.texi (Option Summary): Correct spacing in option lists
4885         and add line breaks to fix over-long lines.
4887 2017-01-08  Sandra Loosemore  <sandra@codesourcery.com>
4889         PR middle-end/17660
4891         * extend.texi (Common Variable Attributes): Add xref to GCC
4892         Internals manual to explain mode attribute keywords.
4894 2017-01-08  Sandra Loosemore  <sandra@codesourcery.com>
4896         PR other/16519
4897         * doc/invoke.texi (Option Summary): Move -pthread to Linker Options
4898         and Preprocessor Options.
4899         (Options for Linking): Document -pthread here....
4900         (RS/6000 and PowerPC Options): ...not here.
4901         (Solaris 2 Options): ...or here.
4902         * doc/cppopts.texi: Document -pthread.
4904 2017-01-08  Martin Sebor  <msebor@redhat.com>
4906         PR middle-end/77708
4907         * doc/invoke.texi (Warning Options): Document -Wformat-truncation.
4908         * gimple-ssa-sprintf.c (call_info::reval_used, call_info::warnopt):
4909         New member functions.
4910         (format_directive): Used them.
4911         (add_bytes): Same.
4912         (pass_sprintf_length::handle_gimple_call): Same.
4913         * graphite-sese-to-poly.c (tree_int_to_gmp): Increase buffer size
4914         to avoid truncation for any argument.
4915         (extract_affine_mul): Same.
4916         * tree.c (get_file_function_name): Same.
4918 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
4920         PR middle-end/77484
4921         * predict.def (PRED_INDIR_CALL): Set to 86.
4923 2017-01-07  Sandra Loosemore  <sandra@codesourcery.com>
4925         PR preprocessor/54124
4926         * doc/cppopts.texi: Reformat -d subtable to list the full name
4927         of the options.  Add cross-reference to the docs for the general
4928         compiler -d options.
4929         * doc/invoke.texi (Developer Options): Add cross-reference to the
4930         preprocessor-specific -d option documentation.
4932 2017-01-07  Sandra Loosemore  <sandra@codesourcery.com>
4934         PR preprocessor/13498
4935         * doc/cpp.texi (Search Path): Rewrite to remove obsolete and
4936         redudant material, and reflect new command-line options.
4937         (System Headers): Likewise.
4939 2017-01-07  Sandra Loosemore  <sandra@codesourcery.com>
4941         * doc/cppdiropts.texi: Merge documentation of -I, -iquote,
4942         -isystem, and -idirafter.  Copy-edit.
4943         * doc/cppopts.texi: Copy-edit.  Remove contradiction about
4944         default for -ftrack-macro-expansion.  Delete obsolete and
4945         badly-formatted implementation details about -fdebug-cpp output.
4946         * doc/cppwarnopts.texi: Copy-edit.
4948 2017-01-07  David Malcolm  <dmalcolm@redhat.com>
4950         PR c++/72803
4951         * input.c (selftest::test_accessing_ordinary_linemaps): Verify
4952         that the transition from a max line width >= 1<<10 to narrower
4953         lines works correctly.
4955 2017-01-07  Alexandre Oliva <aoliva@redhat.com>
4957         * doc/options.texi (PerFunction): New.
4958         * opt-functions.awk (switch_flags): Map both Optimization and
4959         PerFunction to CL_OPTIMIZATION.
4960         * opth-gen.awk: Test for PerFunction flag along with
4961         Optimization.
4962         * optc-save-gen.awk: Likewise.  Introduce var_opt_hash and set
4963         it only when the latter is present.  Skip those that don't in
4964         the hash function generator.
4965         * common.opt (fvar-tracking): Mark as PerFunction instead of
4966         Optimization.
4967         (fvar-tracking-assignments): Likewise.
4968         (fvar-tracking-assignments-toggle): Likewise.
4969         (fvar-tracking-uninit): Likewise.
4971 2017-01-07  Jakub Jelinek  <jakub@redhat.com>
4973         PR translation/79018
4974         * params.def (PARAM_MAX_STORES_TO_MERGE): Add missing space between
4975         the and store.
4977 2017-01-06  Mikael Pettersson  <mikpelinux@gmail.com>
4979         PR target/57583
4980         * config/m68k/m68k.opt (LONG_JUMP_TABLE_OFFSETS): New option.
4981         * config/m68k/linux.h (ASM_RETURN_CASE_JUMP): Handle
4982         TARGET_LONG_JUMP_TABLE_OFFSETS.
4983         * config/m68k/m68kelf.h (ASM_RETURN_CASE_JUMP): Likewise.
4984         * config/m68k/netbsd-elf.h (ASM_RETURN_CASE_JUMP): Likewise.
4985         * config/m68k/m68k.h (CASE_VECTOR_MODE): Likewise.
4986         (ASM_OUTPUT_ADDR_DIFF_ELF): Likewise.
4987         * config/m68k/m68k.md (tablejump expander): Likewise.
4988         (*tablejump_pcrel_hi): Renamed from unnamed insn, reject
4989         TARGET_LONG_JUMP_TABLE_OFFSETS.
4990         (*tablejump_pcrel_si): New insn, handle TARGET_LONG_JUMP_TABLE_OFFSETS.
4991         * doc/invoke.texi (M68K options): Add -mlong-jump-table-offsets.
4993 2017-01-06  Edgar E. Iglesias <edgar.iglesias@xilinx.com>
4994             David Holsgrove <david.holsgrove@xilinx.com>
4996         * common/config/microblaze/microblaze-common.c
4997         (TARGET_EXCEPT_UNWIND_INFO): Remove.
4998         * config/microblaze/microblaze-protos.h (microblaze_eh_return):
4999         New prototype.
5000         * config/microblaze/microblaze.c (microblaze_must_save_register)
5001         (microblaze_expand_epilogue, microblaze_return_addr): Handle
5002         calls_eh_return.
5003         (microblaze_eh_return): New function.
5004         * config/microblaze/microblaze.h (RETURN_ADDR_OFFSET)
5005         (EH_RETURN_DATA_REGNO, MB_EH_STACKADJ_REGNUM)
5006         (EH_RETURN_STACKADJ_RTX, ASM_PREFERRED_EH_DATA_FORMAT): New macros.
5007         * config/microblaze/microblaze.md (eh_return): New pattern.
5009 2017-01-06  Jakub Jelinek  <jakub@redhat.com>
5011         * system.h (GCC_DIAGNOSTIC_PUSH_IGNORED, GCC_DIAGNOSTIC_POP,
5012         GCC_DIAGNOSTIC_STRINGIFY): Define.
5014         * read-rtl.c (rtx_reader::read_rtx_code): Avoid -Wsign-compare warning.
5016 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
5018         * config/arm/arm.md (<mcrr>): New.
5019         (<mrrc>): New.
5020         * config/arm/arm.c (arm_arch5te): New.
5021         (arm_option_override): Set arm_arch5te.
5022         (arm_coproc_builtin_available): Add support for mcrr, mcrr2, mrrc
5023         and mrrc2.
5024         * config/arm/arm-builtins.c (MCRR_QUALIFIERS): Define to...
5025         (arm_mcrr_qualifiers): ... this. New.
5026         (MRRC_QUALIFIERS): Define to...
5027         (arm_mrrc_qualifiers): ... this. New.
5028         * config/arm/arm_acle.h (__arm_mcrr, __arm_mcrr2, __arm_mrrc,
5029         __arm_mrrc2): New.
5030         * config/arm/arm_acle_builtins.def (mcrr, mcrr2, mrrc, mrrc2): New.
5031         * config/arm/iterators.md (MCRRI, mcrr, MCRR): New.
5032         (MRRCI, mrrc, MRRC): New.
5033         * config/arm/unspecs.md (VUNSPEC_MCRR, VUNSPEC_MCRR2, VUNSPEC_MRRC,
5034         VUNSPEC_MRRC2): New.
5036 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
5038         * config/arm/arm.md (<mcr>): New.
5039         (<mrc>): New.
5040         * config/arm/arm.c (arm_coproc_builtin_available): Add
5041         support for mcr, mrc, mcr2 and mrc2.
5042         * config/arm/arm-builtins.c (MCR_QUALIFIERS): Define to...
5043         (arm_mcr_qualifiers): ... this. New.
5044         (MRC_QUALIFIERS): Define to ...
5045         (arm_mrc_qualifiers): ... this. New.
5046         (MCR_QUALIFIERS): Define to ...
5047         (arm_mcr_qualifiers): ... this. New.
5048         * config/arm/arm_acle.h (__arm_mcr, __arm_mrc, __arm_mcr2,
5049         __arm_mrc2): New.
5050         * config/arm/arm_acle_builtins.def (mcr, mcr2, mrc, mrc2): New.
5051         * config/arm/iterators.md (MCRI, mcr, MCR, MRCI, mrc, MRC): New.
5052         * config/arm/unspecs.md (VUNSPEC_MCR, VUNSPEC_MCR2, VUNSPEC_MRC,
5053         VUNSPEC_MRC2): New.
5055 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
5057         * config/arm/arm.md (*ldc): New.
5058         (*stc): New.
5059         (<ldc>): New.
5060         (<stc>): New.
5061         * config/arm/arm.c (arm_coproc_builtin_available): Add
5062         support for ldc,ldcl,stc,stcl,ldc2,ldc2l,stc2 and stc2l.
5063         (arm_coproc_ldc_stc_legitimate_address): New.
5064         * config/arm/arm-builtins.c (arm_type_qualifiers): Add
5065         'qualifier_const_pointer'.
5066         (LDC_QUALIFIERS): Define to...
5067         (arm_ldc_qualifiers): ... this. New.
5068         (STC_QUALIFIERS): Define to...
5069         (arm_stc_qualifiers): ... this. New.
5070         * config/arm/arm-protos.h
5071         (arm_coproc_ldc_stc_legitimate_address): New.
5072         * config/arm/arm_acle.h (__arm_ldc, __arm_ldcl, __arm_stc,
5073         __arm_stcl, __arm_ldc2, __arm_ldc2l, __arm_stc2, __arm_stc2l): New.
5074         * config/arm/arm_acle_builtins.def (ldc, ldc2, ldcl, ldc2l, stc,
5075         stc2, stcl, stc2l): New.
5076         * config/arm/constraints.md (Uz): New.
5077         * config/arm/iterators.md (LDCI, STCI, ldc, stc, LDC STC): New.
5078         * config/arm/unspecs.md (VUNSPEC_LDC, VUNSPEC_LDC2, VUNSPEC_LDCL,
5079         VUNSPEC_LDC2L, VUNSPEC_STC, VUNSPEC_STC2, VUNSPEC_STCL,
5080         VUNSPEC_STC2L): New.
5082 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
5084         * config/arm/arm.md (<cdp>): New.
5085         * config/arm/arm.c (neon_const_bounds): Rename this ...
5086         (arm_const_bounds): ... this.
5087         (arm_coproc_builtin_available): New.
5088         * config/arm/arm-builtins.c (SIMD_MAX_BUILTIN_ARGS): Increase.
5089         (arm_type_qualifiers): Add 'qualifier_unsigned_immediate'.
5090         (CDP_QUALIFIERS): Define to...
5091         (arm_cdp_qualifiers): ... this. New.
5092         (void_UP): Define.
5093         (arm_expand_builtin_args): Add case for 6 arguments.
5094         * config/arm/arm-protos.h (neon_const_bounds): Rename this ...
5095         (arm_const_bounds): ... this.
5096         (arm_coproc_builtin_available): New.
5097         * config/arm/arm_acle.h (__arm_cdp): New.
5098         (__arm_cdp2): New.
5099         * config/arm/arm_acle_builtins.def (cdp): New.
5100         (cdp2): New.
5101         * config/arm/iterators.md (CDPI,CDP,cdp): New.
5102         * config/arm/neon.md: Rename all 'neon_const_bounds' to
5103         'arm_const_bounds'.
5104         * config/arm/types.md (coproc): New.
5105         * config/arm/unspecs.md (VUNSPEC_CDP, VUNSPEC_CDP2): New.
5106         * gcc/doc/extend.texi (ACLE): Add a mention of Coprocessor intrinsics.
5107         * gcc/doc/sourcebuild.texi (arm_coproc1_ok, arm_coproc2_ok,
5108         arm_coproc3_ok, arm_coproc4_ok): Document new effective targets.
5110 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
5112         * config/arm/arm-builtins.c (arm_unsigned_binop_qualifiers): New.
5113         (UBINOP_QUALIFIERS): New.
5114         (si_UP): Define.
5115         (acle_builtin_data): New. Change comment.
5116         (arm_builtins): Remove ARM_BUILTIN_CRC32B, ARM_BUILTIN_CRC32H,
5117         ARM_BUILTIN_CRC32W, ARM_BUILTIN_CRC32CB, ARM_BUILTIN_CRC32CH,
5118         ARM_BUILTIN_CRC32CW. Add ARM_BUILTIN_ACLE_BASE and include
5119         arm_acle_builtins.def.
5120         (ARM_BUILTIN_ACLE_PATTERN_START): Define.
5121         (arm_init_acle_builtins): New.
5122         (CRC32_BUILTIN): Remove.
5123         (bdesc_2arg): Remove entries for crc32b, crc32h, crc32w,
5124         crc32cb, crc32ch and crc32cw.
5125         (arm_init_crc32_builtins): Remove.
5126         (arm_init_builtins): Use arm_init_acle_builtins rather
5127         than arm_init_crc32_builtins.
5128         (arm_expand_acle_builtin): New.
5129         (arm_expand_builtin): Use 'arm_expand_acle_builtin'.
5130         * config/arm/arm_acle_builtins.def: New.
5132 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
5134         * config/arm/arm-builtins.c (neon_builtin_datum): Rename to ..
5135         (arm_builtin_datum): ... this.
5136         (arm_init_neon_builtin): Rename to ...
5137         (arm_init_builtin): ... this. Add a new parameters PREFIX
5138         and USE_SIG_IN_NAME.
5139         (arm_init_neon_builtins): Replace 'arm_init_neon_builtin' with
5140         'arm_init_builtin'. Replace type 'neon_builtin_datum' with
5141         'arm_builtin_datum'.
5142         (arm_init_vfp_builtins): Likewise.
5143         (builtin_arg): Rename enum's replacing 'NEON_ARG' with
5144         'ARG_BUILTIN' and add a 'ARG_BUILTIN_NEON_MEMORY.
5145         (arm_expand_neon_args): Rename to ...
5146         (arm_expand_builtin_args): ... this. Rename builtin_arg
5147         enum values and differentiate between ARG_BUILTIN_MEMORY
5148         and ARG_BUILTIN_NEON_MEMORY.
5149         (arm_expand_neon_builtin_1): Rename to ...
5150         (arm_expand_builtin_1): ... this. Rename builtin_arg enum
5151         values, arm_expand_builtin_args and add bool parameter NEON.
5152         (arm_expand_neon_builtin): Use arm_expand_builtin_1.
5153         (arm_expand_vfp_builtin): Likewise.
5154         (NEON_MAX_BUILTIN_ARGS): Remove, it was unused.
5156 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
5158         PR middle-end/77484
5159         * predict.def (PRED_POLYMORPHIC_CALL): Set to 59.
5160         * predict.c (tree_estimate_probability_bb): Reverse direction of
5161         polymorphic call predictor.
5163 2017-01-06  David Malcolm  <dmalcolm@redhat.com>
5165         * passes.c (execute_one_pass): Split out pass-skipping logic into...
5166         (determine_pass_name_match): ...this new function and...
5167         (should_skip_pass_p): ...this new function.
5169 2017-01-06  Nathan Sidwell  <nathan@acm.org>
5171         * ipa-visibility.c (function_and_variable_visibility): Reformat
5172         comments and long lines.  Remove extrneous if.
5173         * symtab.c (symtab_node::make_decl_local): Fix code format.
5174         (symtab_node::set_section_for_node): Fix comment typo.
5176 2017-01-06  Martin Liska  <mliska@suse.cz>
5178         PR bootstrap/79003
5179         * lra-constraints.c: Rename invariant to lra_invariant.
5180         * predict.c (set_even_probabilities): Initialize e to NULL.
5182 2017-01-05  Martin Sebor  <msebor@redhat.com>
5184         PR tree-optimization/78910
5185         * gimple-ssa-sprintf.c (tree_digits): Add an argument.
5186         (format_integer): Correct off-by-one error in the handling
5187         of precision with negative numbers in signed conversions..
5189 2017-01-05  Eric Botcazou  <ebotcazou@adacore.com>
5191         * doc/invoke.texi (C Dialect Options): Adjust -fsso-struct entry.
5193 2017-01-05  Jakub Jelinek  <jakub@redhat.com>
5195         PR tree-optimization/71016
5196         * tree-ssa-phiopt.c (tree_ssa_phiopt_worker): Pass cond_stmt to
5197         factor_out_conditional_conversion.  Formatting fix.
5198         (factor_out_conditional_conversion): Add cond_stmt argument.
5199         If arg1 is INTEGER_CST, punt if new_arg0 is not any operand of
5200         cond_stmt and if arg0_def_stmt is not the only stmt in its bb.
5201         Formatting fix.
5203 2017-01-05  David Malcolm  <dmalcolm@redhat.com>
5205         * Makefile.in (OBJS): Add read-md.o, read-rtl.o,
5206         read-rtl-function.o, and selftest-rtl.o.
5207         * config/aarch64/aarch64.c: Include selftest.h and selftest-rtl.h.
5208         (selftest::aarch64_test_loading_full_dump): New function.
5209         (selftest::aarch64_run_selftests): New function.
5210         (TARGET_RUN_TARGET_SELFTESTS): Wire it up to
5211         selftest::aarch64_run_selftests.
5212         * config/i386/i386.c
5213         (selftest::ix86_test_loading_dump_fragment_1): New function.
5214         (selftest::ix86_test_loading_call_insn): New function.
5215         (selftest::ix86_test_loading_full_dump): New function.
5216         (selftest::ix86_test_loading_unspec): New function.
5217         (selftest::ix86_run_selftests): Call the new functions.
5218         * emit-rtl.c (maybe_set_max_label_num): New function.
5219         * emit-rtl.h (maybe_set_max_label_num): New decl.
5220         * function.c (instantiate_decls): Guard call to
5221         instantiate_decls_1 with if (DECL_INITIAL (fndecl)).
5222         * function-tests.c (selftest::verify_three_block_rtl_cfg): Remove
5223         "static".
5224         * gensupport.c (gen_reader::gen_reader): Pass "false"
5225         for new "compact" param of rtx_reader.
5226         * print-rtl.c (rtx_writer::print_rtx_operand): Print "(nil)"
5227         rather than an empty string for NULL strings.
5228         * read-md.c: Potentially include config.h rather than bconfig.h.
5229         Wrap include of errors.h with #ifdef GENERATOR_FILE.
5230         (have_error): New global, copied from errors.c.
5231         (md_reader::read_name): Rename to...
5232         (md_reader::read_name_1): ...this, adding "out_loc" param,
5233         and converting "missing name or number" to returning false, rather
5234         than failing.
5235         (md_reader::read_name): Reimplement in terms of read_name_1.
5236         (md_reader::read_name_or_nil): New function.
5237         (md_reader::read_string): Handle "(nil)" by returning NULL.
5238         (md_reader::md_reader): Add new param "compact".
5239         (md_reader::read_md_files): Wrap with #ifdef GENERATOR_FILE.
5240         (md_reader::read_file): New method.
5241         * read-md.h (md_reader::md_reader): Add new param "compact".
5242         (md_reader::read_file): New method.
5243         (md_reader::is_compact): New accessor.
5244         (md_reader::read_name): Convert return type from void to file_location.
5245         (md_reader::read_name_or_nil): New decl.
5246         (md_reader::read_name_1): New decl.
5247         (md_reader::m_compact): New field.
5248         (noop_reader::noop_reader): Pass "false" for new "compact" param
5249         of rtx_reader.
5250         (rtx_reader::rtx_reader): Add new "compact" param.
5251         (rtx_reader::read_rtx_operand): Make virtual and convert return
5252         type from void to rtx.
5253         (rtx_reader::read_until): New decl.
5254         (rtx_reader::handle_any_trailing_information): New virtual function.
5255         (rtx_reader::postprocess): New virtual function.
5256         (rtx_reader::finalize_string): New virtual function.
5257         (rtx_reader::m_in_call_function_usage): New field.
5258         (rtx_reader::m_reuse_rtx_by_id): New field.
5259         * read-rtl-function.c: New file.
5260         * selftest-rtl.c (selftest::assert_rtx_ptr_eq_at): New function.
5261         * selftest-rtl.h (ASSERT_RTX_PTR_EQ): New macro.
5262         (selftest::verify_three_block_rtl_cfg): New decl.
5263         * read-rtl-function.h: New file.
5264         * read-rtl.c: Potentially include config.h rather than bconfig.h.
5265         For host, include function.h, memmodel.h, and emit-rtl.h.
5266         (one_time_initialization): New function.
5267         (struct compact_insn_name): New struct.
5268         (compact_insn_names): New array.
5269         (find_code): Handle insn codes in compact dumps.
5270         (apply_subst_iterator): Wrap with #ifdef GENERATOR_FILE.
5271         (bind_subst_iter_and_attr): Likewise.
5272         (add_condition_to_string): Likewise.
5273         (add_condition_to_rtx): Likewise.
5274         (apply_attribute_uses): Likewise.
5275         (add_current_iterators): Likewise.
5276         (apply_iterators): Likewise.
5277         (initialize_iterators): Guard usage of apply_subst_iterator with
5278         #ifdef GENERATOR_FILE.
5279         (read_conditions): Wrap with #ifdef GENERATOR_FILE.
5280         (md_reader::read_mapping): Likewise.
5281         (add_define_attr_for_define_subst): Likewise.
5282         (add_define_subst_attr): Likewise.
5283         (read_subst_mapping): Likewise.
5284         (check_code_iterator): Likewise.
5285         (rtx_reader::read_rtx): Likewise.  Move one-time initialization
5286         logic to...
5287         (one_time_initialization): New function.
5288         (rtx_reader::read_until): New method.
5289         (read_flags): New function.
5290         (parse_reg_note_name): New function.
5291         (rtx_reader::read_rtx_code): Initialize "iterator" to NULL.
5292         Handle reuse_rtx ids.
5293         Wrap iterator lookup within #ifdef GENERATOR_FILE.
5294         Add parsing support for RTL dumps, mirroring the special-cases in
5295         print_rtx, by calling read_flags, reading REG_NOTE names, INSN_UID
5296         values, and calling handle_any_trailing_information.
5297         (rtx_reader::read_rtx_operand): Convert return type from void
5298         to rtx, returning return_rtx.  Handle case 'e'.  Call
5299         finalize_string on XSTR and XTMPL fields.
5300         (rtx_reader::read_nested_rtx):  Handle dumps in which trailing
5301          "(nil)" values were omitted.  Call the postprocess vfunc on the
5302         return_rtx.
5303         (rtx_reader::rtx_reader): Add new "compact" param and pass to base
5304         class ctor.  Initialize m_in_call_function_usage.  Call
5305         one_time_initialization.
5306         * rtl-tests.c (selftest::test_uncond_jump): Call
5307         set_new_first_and_last_insn.
5308         * rtl.h (read_rtx): Wrap decl with #ifdef GENERATOR_FILE.
5309         * selftest-rtl.c: New file.
5310         * selftest-rtl.h (class selftest::rtl_dump_test): New class.
5311         (selftest::get_insn_by_uid): New decl.
5312         * selftest-run-tests.c (selftest::run_tests): Call
5313         read_rtl_function_c_tests.
5314         * selftest.h  (selftest::read_rtl_function_c_tests): New decl.
5315         * tree-dfa.c (ssa_default_def): Return NULL_TREE for rtl function
5316         dumps.
5318 2017-01-05  Uros Bizjak  <ubizjak@gmail.com>
5320         * config/i386/i386.md (*testqi_ext_3): No need to handle memory
5321         operands in a special way.  Assert that pos+len <= mode precision.
5323 2017-01-05  Jakub Jelinek  <jakub@redhat.com>
5325         * common.opt (fvect-cost-model): Remove RejectNegative flag, use
5326         3 argument Alias with unlimited for the negative form.
5327         (fno-vect-cost-model): Removed.
5329 2017-01-05  Martin Liska  <mliska@suse.cz>
5331         * hsa-gen.c (gen_hsa_divmod): New function.
5332         (gen_hsa_insn_for_internal_fn_call): Use the function for IFN_DIVMOD.
5334 2017-01-05  Martin Liska  <mliska@suse.cz>
5336         PR pch/78970
5337         * gcc.c (lookup_compiler): Reject '-' filename for a precompiled
5338         header.
5340 2017-01-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
5342         * config/s390/s390.c (s390_expand_setmem): Unroll the loop for
5343         small constant length operands.
5345 2017-01-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
5347         * config/s390/s390.c (s390_expand_setmem): Avoid overlapping bytes
5348         between loop iterations.
5350 2017-01-05  Martin Liska  <mliska@suse.cz>
5352         PR sanitizer/78815
5353         * gimplify.c (gimplify_decl_expr): Compare to
5354         asan_poisoned_variables instread of checking flags.
5355         (gimplify_target_expr): Likewise.
5356         (gimplify_expr): Likewise.
5357         (gimplify_function_tree): Conditionally initialize
5358         asan_poisoned_variables.
5360 2017-01-04  Jeff Law  <law@redhat.com>
5362         PR tree-optimizatin/78812
5363         * rtl.h (contains_mem_rtx_p): Prototype.
5364         * ifcvt.c (containts_mem_rtx_p): Move from here to...
5365         * rtlanal.c (contains_mem_rtx_p): Here and remove static linkage.
5366         * gcse.c (prune_expressions): Use contains_mem_rtx_p to discover
5367         and prune MEMs that are not at the toplevel of a SET_SRC rtx.  Look
5368         through ZERO_EXTEND and SIGN_EXTEND when trying to avoid pruning MEMs.
5370 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
5372         * input.c (assert_char_at_range): Default-initialize actual_range.
5374 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
5376         * df-scan.c (df_ref_create_structure): Make regno unsigned,
5377         to match the caller.
5379 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
5381         * cfgexpand.c (expand_gimple_basic_block): Disregard debug
5382         insns after final jump in test to emit dummy move.
5384 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
5386         * gimple-iterator.h (gsi_one_nondebug_before_end_p): New.
5387         * tree-eh.c (cleanup_empty_eh): Skip more debug stmts.
5389 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
5391         * multiple_target.c (create_dispatcher_calls): Init e_next.
5392         * tree-ssa-loop-split.c (split_loop): Init border.
5393         * tree-vect-loop.c (vect_determine_vectorization_factor): Init
5394         scalar_type.
5396 2017-01-04  Michael Meissner  <meissner@linux.vnet.ibm.com>
5398         PR target/71977
5399         PR target/70568
5400         PR target/78823
5401         * config/rs6000/predicates.md (sf_subreg_operand): New predicate.
5402         (altivec_register_operand): Do not return true if the operand
5403         contains a SUBREG mixing SImode and SFmode.
5404         (vsx_register_operand): Likewise.
5405         (vsx_reg_sfsubreg_ok): New predicate.
5406         (vfloat_operand): Do not return true if the operand contains a
5407         SUBREG mixing SImode and SFmode.
5408         (vint_operand): Likewise.
5409         (vlogical_operand): Likewise.
5410         (gpc_reg_operand): Likewise.
5411         (int_reg_operand): Likewise.
5412         * config/rs6000/rs6000-protos.h (valid_sf_si_move): Add declaration.
5413         * config/rs6000/rs6000.c (valid_sf_si_move): New function to
5414         determine if a MOVSI or MOVSF operation contains SUBREGs that mix
5415         SImode and SFmode.
5416         (rs6000_emit_move_si_sf_subreg): New helper function.
5417         (rs6000_emit_move): Call rs6000_emit_move_si_sf_subreg to possbily
5418         fixup SUBREGs involving SImode and SFmode.
5419         * config/rs6000/vsx.md (SFBOOL_*): New constants that are operand
5420         numbers for the new peephole2 optimization.
5421         (peephole2 for SFmode unions): New peephole2 to optimize cases in
5422         the GLIBC math library that do AND/IOR/XOR operations on single
5423         precision floating point.
5424         * config/rs6000/rs6000.h (TARGET_NO_SF_SUBREG): New internal
5425         target macros to say whether we need to avoid SUBREGs mixing
5426         SImode and SFmode.
5427         (TARGET_ALLOW_SF_SUBREG): Likewise.
5428         * config/rs6000/rs6000.md (UNSPEC_SF_FROM_SI): New unspecs.
5429         (UNSPEC_SI_FROM_SF): Likewise.
5430         (iorxor): Change spacing.
5431         (and_ior_xor): New iterator for AND, IOR, and XOR.
5432         (movsi_from_sf): New insns for SImode/SFmode SUBREG support.
5433         (movdi_from_sf_zero_ext): Likewise.
5434         (mov<mode>_hardfloat, FMOVE32 iterator): Use register_operand
5435         instead of gpc_reg_operand.  Add SImode/SFmode SUBREG support.
5436         (movsf_from_si): New insn for SImode/SFmode SUBREG support.
5437         (fma<mode>4): Use gpc_reg_operand instead of register_operand.
5438         (fms<mode>4): Likewise.
5439         (fnma<mode>4): Likewise.
5440         (fnms<mode>4): Likewise.
5441         (nfma<mode>4): Likewise.
5442         (nfms<mode>4): Likewise.
5444 2017-01-04  Marek Polacek  <polacek@redhat.com>
5446         PR c++/64767
5447         * doc/invoke.texi: Document -Wpointer-compare.
5449 2017-01-04  Jakub Jelinek  <jakub@redhat.com>
5451         * optc-gen.awk: Emit #error for -W*/-f*/-m* Enum without
5452         RejectNegative.
5454         * dwarf2out.c (output_loc_list): Don't throw away 64K+ location
5455         descriptions for -gdwarf-5 and emit them as uleb128 instead of
5456         2-byte data.
5458 2017-01-04  Kelvin Nilsen  <kelvin@gcc.gnu.org>
5460         PR target/78056
5461         * doc/sourcebuild.texi (PowerPC-specific attributes): Add
5462         documentation of the powerpc_popcntb_ok attribute.
5463         * config/rs6000/rs6000.c (rs6000_option_override_internal): Add
5464         code to issue warning messages if a requested CPU configuration is
5465         not supported by the binary (assembler and loader) toolchain.
5466         (spe_init_builtins): Add two assertions to prevent ICE if attempt is
5467         made to define a built-in function that has been disabled.
5468         (paired_init_builtins): Add assertion to prevent ICE if attempt is
5469         made to define a built-in function that has been disabled.
5470         (altivec_init_builtins): Add comment explaining why definition
5471         of the DST built-in functions is not preceded by an assertion
5472         check.  Add assertions to prevent ICE if attempts are made to
5473         define an altivec predicate or an abs* built-in function that has
5474         been disabled.
5475         (htm_init_builtins): Add comment explaining why definition of the
5476         htm built-in functions is not preceded by an assertion check.
5478 2017-01-04  Jeff Law  <law@redhat.com>
5480         PR tree-optimizatin/67955
5481         * tree-ssa-alias.c (same_addr_size_stores_p): Check offsets first.
5482         Allow any SSA_VAR_P as the base objects.  Use integer_zerop.  Verify
5483         the points-to solution does not include pt_null.  Use DECL_PT_UID
5484         unconditionally.
5486 2017-01-04  Uros Bizjak  <ubizjak@gmail.com>
5488         * config/i386/i386.md (HI/SImode test with imm to QImode splitters):
5489         Use gen_int_mode instead of gen_lopwart for const_int operands.
5491 2017-01-04  Jakub Jelinek  <jakub@redhat.com>
5493         PR tree-optimization/71563
5494         * match.pd: Simplify X << Y into X if Y is known to be 0 or
5495         out of range value - has low bits known to be zero.
5497 2017-01-04  Alan Modra  <amodra@gmail.com>
5499         * Makefile.in (aclocal_deps): Update and order as per aclocal.m4.
5500         * configure: Regenerate.
5501         * config.in: Regenerate.
5503 2017-01-04  Jakub Jelinek  <jakub@redhat.com>
5505         PR bootstrap/77569
5506         * input.c (ebcdic_execution_charset::on_error): Don't use strstr for
5507         a substring of the message, but strcmp with the whole message.  Ifdef
5508         ENABLE_NLS, translate the message first using dgettext.
5510 2017-01-03  Jeff Law  <law@redhat.com>
5512         PR tree-optimizatin/78856
5513         * tree-ssa-threadupdate.c: Include tree-vectorizer.h.
5514         (mark_threaded_blocks): Remove code to truncate thread paths that
5515         cross multiple loop headers.  Instead invalidate the cached loop
5516         iteration information and handle case of a thread path walking
5517         into an irreducible region.
5519 2017-01-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
5521         PR target/78900
5522         * config/rs6000/rs6000.c (rs6000_split_signbit): Change some
5523         assertions.  Add support for doing the signbit if the IEEE 128-bit
5524         floating point value is in a GPR.
5525         * config/rs6000/rs6000.md (Fsignbit): Delete.
5526         (signbit<mode>2_dm): Delete using <Fsignbit> and just use "wa".
5527         Update the length attribute if the value is in a GPR.
5528         (signbit<mode>2_dm_<su>ext): Add combiner pattern to eliminate
5529         the sign or zero extension instruction, since the value is always 0/1.
5530         (signbit<mode>2_dm2): Delete using <Fsignbit>.
5532         PR target/78953
5533         * config/rs6000/vsx.md (vsx_extract_<mode>_store_p9): If we are
5534         extracting SImode to a GPR register so that we can generate a
5535         store, limit the vector to be in a traditional Altivec register
5536         for the vextuwrx instruction.
5538 2017-01-03  Ian Lance Taylor  <iant@google.com>
5540         * godump.c (go_format_type): Treat ENUMERAL_TYPE like INTEGER_TYPE.
5542 2017-01-03  Martin Sebor  <msebor@redhat.com>
5544         PR tree-optimization/78696
5545         * gimple-ssa-sprintf.c (format_floating): Correct handling of
5546         precision.  Use MPFR for %f for greater fidelity.  Correct handling
5547         of %g.
5548         (pass_sprintf_length::compute_format_length): Set width and precision
5549         specified by asrerisk to void_node for vararg functions.
5550         (try_substitute_return_value): Adjust dump output.
5552 2017-01-03  David Edelsohn  <dje.gcc@gmail.com>
5554         * doc/invoke.texi (RS6000 options): LRA is enabled by default.
5556 2017-01-03  Eric Botcazou  <ebotcazou@adacore.com>
5558         * doc/invoke.texi (SPARC options): Document -mlra as the default.
5559         * config/sparc/sparc.c (sparc_option_override): Force LRA unless
5560         -mlra/-mno-lra was passed to the compiler.
5562 2017-01-03  James Cowgill  <James.Cowgill@imgtec.com>
5564         PR rtl-optimization/65618
5565         * emit-rtl.c (try_split): Move initialization of "before" and
5566         "after" to just before the call to emit_insn_after_setloc.
5568 2017-01-03  Gerald Pfeifer  <gerald@pfeifer.com>
5570         * doc/md.texi (Standard Names): Remove reference to Java frontend.
5572 2017-01-03  Pierre-Marie de Rodat  <derodat@adacore.com>
5574         * dwarf2out.c (gen_enumeration_type_die): When
5575         -gno-strict-dwarf, add a DW_AT_encoding attribute.
5577 2017-01-03  Jakub Jelinek  <jakub@redhat.com>
5579         PR tree-optimization/78965
5580         * gimple-ssa-sprintf.c (pass_sprintf_length::compute_format_length):
5581         Change first argument from const call_info & to call_info &.  For %n
5582         set info.nowrite to false.
5584         PR middle-end/78901
5585         * gimple-ssa-sprintf.c (try_substitute_return_value): Don't change
5586         possibly throwing calls.
5588         * genmatch.c (dt_node::gen_kids_1): If generic_exprs include SSA_NAME
5589         and exprs_len || fns_len, emit the code for SSA_NAME next to the exprs
5590         and fns handling, rather than in a separate case SSA_NAME.
5592 2017-01-02  Jeff Law  <law@redhat.com>
5594         * config/darwin-driver.c (darwin_driver_init): Const-correctness
5595         fixes for first_period and second_period variables.
5597 2017-01-02  Uros Bizjak  <ubizjak@gmail.com>
5599         PR target/78967
5600         * config/i386/i386.md (UNSPEC_NOREX_MEM): New unspec.
5601         (*insvqi_1): New insn pattern.
5602         (*insvqi_1_mem_rex64): Ditto.
5603         (*insvqi_2): Ditto.
5604         (*insvqi_3): Rename from *insvqi.
5606         (*extzvqi_mem_rex64): Add UNSPEC_NOREX_MEM tag.
5608 2017-01-02  Gerald Pfeifer  <gerald@pfeifer.com>
5610         * doc/cfg.texi (Edges): Remove reference to Java.
5611         (Maintaining the CFG): Ditto.
5613 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
5615         PR middle-end/77674
5616         * symtab.c (symtab_node::binds_to_current_def_p): Fix handling of
5617         transparent aliases.
5619 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
5621         PR middle-end/77484
5622         * predict.def (PRED_CALL): Update hitrate.
5623         (PRED_INDIR_CALL, PRED_POLYMORPHIC_CALL): New predictors.
5624         * predict.c (tree_estimate_probability_bb): Split CALL predictor
5625         into direct/indirect/polymorphic variants.
5627 2017-01-01  Jakub Jelinek  <jakub@redhat.com>
5629         Update copyright years.
5631         * gcc.c (process_command): Update copyright notice dates.
5632         * gcov-dump.c (print_version): Ditto.
5633         * gcov.c (print_version): Ditto.
5634         * gcov-tool.c (print_version): Ditto.
5635         * gengtype.c (create_file): Ditto.
5636         * doc/cpp.texi: Bump @copying's copyright year.
5637         * doc/cppinternals.texi: Ditto.
5638         * doc/gcc.texi: Ditto.
5639         * doc/gccint.texi: Ditto.
5640         * doc/gcov.texi: Ditto.
5641         * doc/install.texi: Ditto.
5642         * doc/invoke.texi: Ditto.
5644 Copyright (C) 2017 Free Software Foundation, Inc.
5646 Copying and distribution of this file, with or without modification,
5647 are permitted in any medium without royalty provided the copyright
5648 notice and this notice are preserved.