2017-04-11 Vladimir Makarov <vmakarov@redhat.com>
[official-gcc.git] / gcc / ChangeLog
blob11304c8e9c3ba91f78caf4ddedbf53146e08d5c1
1 2017-04-11  Vladimir Makarov  <vmakarov@redhat.com>
3         PR rtl-optimization/70478
4         * lra-constraints.c (process_alt_operands): Check memory for
5         disfavoring memory insn operand.
7 2017-04-11  Jakub Jelinek  <jakub@redhat.com>
9         PR middle-end/80100
10         * simplify-rtx.c (simplify_binary_operation_1) <case IOR>: Perform
11         left shift in unsigned HOST_WIDE_INT type.
13         PR rtl-optimization/80385
14         * simplify-rtx.c (simplify_unary_operation_1): Don't transform
15         (not (neg X)) into (plus X -1) for complex or non-integral modes.
17         PR libgomp/80394
18         * omp-low.c (scan_omp_task): Don't optimize away empty tasks
19         if they have any depend clauses.
21 2017-04-11  Martin Liska  <mliska@suse.cz>
23         PR ipa/80212
24         * cgraph.c (cgraph_node::dump): Dump calls_comdat_local.
25         * ipa-split.c (split_function): Create a local comdat symbol
26         if caller is in a comdat group.
28 2017-04-11  Martin Liska  <mliska@suse.cz>
30         PR ipa/80212
31         * ipa-cp.c (determine_versionability): Handle calls_comdat_local
32         flags.
34 2017-04-11  Martin Sebor  <msebor@redhat.com>
36         PR middle-end/80364
37         * gimple-ssa-sprintf.c (get_int_range): Remove second argument and
38         always use the int type.  Use INTEGRAL_TYPE_P() rather than testing
39         for INTEGER_TYPE.
40         (directive::set_width, directive::set_precision, format_character):
41         Adjust.
42         (parse_directive): Use INTEGRAL_TYPE_P() rather than testing for
43         INTEGER_TYPE.
45 2017-04-11  Richard Earnshaw  <rearnsha@arm.com>
47         PR target/80389
48         * config/arm/arm.c (arm_configure_build_target): When -mcpu and -arch
49         conflict, set target->arch_name instead of target->cpu_name.
51 2017-04-11  Richard Biener  <rguenther@suse.de>
53         PR tree-optimization/80374
54         * tree-ssa-dom.c (derive_equivalences_from_bit_ior): Use
55         build_zero_cst, remove fold_convertible_p check again.
57 2017-04-11  Martin Liska  <mliska@suse.cz>
59         PR sanitizer/70878
60         * ubsan.c (instrument_object_size): Do not instrument register
61         variables.
63 2017-04-11  Jakub Jelinek  <jakub@redhat.com>
65         PR target/80381
66         * config/i386/i386-builtin-types.def
67         (V16HI_FTYPE_V16HI_INT_V16HI_UHI_COUNT,
68         V16HI_FTYPE_V16HI_V8HI_V16HI_UHI_COUNT,
69         V16SI_FTYPE_V16SI_INT_V16SI_UHI_COUNT,
70         V16SI_FTYPE_V16SI_V4SI_V16SI_UHI_COUNT,
71         V2DI_FTYPE_V2DI_INT_V2DI_UQI_COUNT,
72         V2DI_FTYPE_V2DI_V2DI_V2DI_UQI_COUNT,
73         V32HI_FTYPE_V32HI_INT_V32HI_USI_COUNT,
74         V32HI_FTYPE_V32HI_V8HI_V32HI_USI_COUNT,
75         V4DI_FTYPE_V4DI_INT_V4DI_UQI_COUNT,
76         V4DI_FTYPE_V4DI_V2DI_V4DI_UQI_COUNT,
77         V4SI_FTYPE_V4SI_INT_V4SI_UQI_COUNT,
78         V4SI_FTYPE_V4SI_V4SI_V4SI_UQI_COUNT,
79         V8DI_FTYPE_V8DI_INT_V8DI_UQI_COUNT,
80         V8DI_FTYPE_V8DI_V2DI_V8DI_UQI_COUNT,
81         V8HI_FTYPE_V8HI_INT_V8HI_UQI_COUNT,
82         V8HI_FTYPE_V8HI_V8HI_V8HI_UQI_COUNT,
83         V8SI_FTYPE_V8SI_INT_V8SI_UQI_COUNT,
84         V8SI_FTYPE_V8SI_V4SI_V8SI_UQI_COUNT): New function type aliases.
85         * config/i386/i386-builtin.def (__builtin_ia32_pslld512_mask,
86         __builtin_ia32_pslldi512_mask, __builtin_ia32_psllq512_mask,
87         __builtin_ia32_psllqi512_mask, __builtin_ia32_psrad512_mask,
88         __builtin_ia32_psradi512_mask, __builtin_ia32_psraq512_mask,
89         __builtin_ia32_psraqi512_mask, __builtin_ia32_psrld512_mask,
90         __builtin_ia32_psrldi512_mask, __builtin_ia32_psrlq512_mask,
91         __builtin_ia32_psrlqi512_mask, __builtin_ia32_psllwi128_mask,
92         __builtin_ia32_pslldi128_mask, __builtin_ia32_psllqi128_mask,
93         __builtin_ia32_psllw128_mask, __builtin_ia32_pslld128_mask,
94         __builtin_ia32_psllq128_mask, __builtin_ia32_psllwi256_mask,
95         __builtin_ia32_psllw256_mask, __builtin_ia32_pslldi256_mask,
96         __builtin_ia32_pslld256_mask, __builtin_ia32_psllqi256_mask,
97         __builtin_ia32_psllq256_mask, __builtin_ia32_psradi128_mask,
98         __builtin_ia32_psrad128_mask, __builtin_ia32_psradi256_mask,
99         __builtin_ia32_psrad256_mask, __builtin_ia32_psraqi128_mask,
100         __builtin_ia32_psraq128_mask, __builtin_ia32_psraqi256_mask,
101         __builtin_ia32_psraq256_mask, __builtin_ia32_psrldi128_mask,
102         __builtin_ia32_psrld128_mask, __builtin_ia32_psrldi256_mask,
103         __builtin_ia32_psrld256_mask, __builtin_ia32_psrlqi128_mask,
104         __builtin_ia32_psrlq128_mask, __builtin_ia32_psrlqi256_mask,
105         __builtin_ia32_psrlq256_mask, __builtin_ia32_psrawi256_mask,
106         __builtin_ia32_psraw256_mask, __builtin_ia32_psrawi128_mask,
107         __builtin_ia32_psraw128_mask, __builtin_ia32_psrlwi256_mask,
108         __builtin_ia32_psrlw256_mask, __builtin_ia32_psrlwi128_mask,
109         __builtin_ia32_psrlw128_mask, __builtin_ia32_psllwi512_mask,
110         __builtin_ia32_psllw512_mask, __builtin_ia32_psrawi512_mask,
111         __builtin_ia32_psraw512_mask, __builtin_ia32_psrlwi512_mask,
112         __builtin_ia32_psrlw512_mask): Use _COUNT suffixed function type
113         aliases.
114         * config/i386/i386.c (ix86_expand_args_builtin): Rename last_arg_count
115         flag to second_arg_count, handle 4 argument function type _COUNT
116         aliases, handle second_arg_count on second argument rather than last.
118 2017-04-10  Jeff Law  <law@redhat.com>
120         PR tree-optimization/80374
121         * tree-ssa-dom.c (derive_equivalences_from_bit_ior): Do not try to
122         record anything if we can not convert integer_zero_node to the
123         desired type.
125 2017-04-10  Kelvin Nilsen  <kelvin@gcc.gnu.org>
127         PR target/80108
128         * config/rs6000/rs6000.c (rs6000_option_override_internal):
129         Enhance special handling given to the TARGET_P9_MINMAX option in
130         relation to certain other options.
132 2017-04-10  Bin Cheng  <bin.cheng@arm.com>
134         PR tree-optimization/80153
135         * tree-ssa-loop-ivopts.c (add_iv_candidate_for_use): Check and 
136         remove POINTER_PLUS_EXPR's base part directly, rather than through
137         aff_tree.
139 2017-04-10  Richard Biener  <rguenther@suse.de>
140             Bin Cheng  <bin.cheng@arm.com>
142         PR tree-optimization/80153
143         * tree-affine.c (aff_combination_to_tree): Get base pointer from
144         the first element of pointer type aff_tree.  Build result expr in
145         aff_tree's type.
146         (add_elt_to_tree): Convert to type unconditionally.  Remove other
147         fold_convert calls.
148         * tree-ssa-loop-ivopts.c (alloc_iv): Pass in consistent types.
149         (rewrite_use_nonlinear_expr): Check invariant using iv information.
151 2017-04-10  Richard Biener  <rguenther@suse.de>
153         * tree-ssa-structalias.c (find_func_aliases): Properly handle
154         asm inputs.
156 2017-04-10  Vladimir Makarov  <vmakarov@redhat.com>
158         PR rtl-optimization/70478
159         * lra-constraints.c (curr_small_class_check): New.
160         (update_and_check_small_class_inputs): New.
161         (process_alt_operands): Update curr_small_class_check.  Disfavor
162         alternative insn memory operands.  Check available regs for small
163         class operands.
165 2017-03-31  Matthew Fortune  <matthew.fortune@imgtec.com>
167         PR target/80057
168         * config/mips/mips.opt (-mvirt): Update description.
169         * doc/invoke.texi (-mvirt): Likewise.
171 2017-04-10  Richard Biener  <rguenther@suse.de>
173         PR middle-end/80362
174         * fold-const.c (fold_binary_loc): Look at unstripped ops when
175         looking for NEGATE_EXPR in -A / -B to A / B folding.
177 2017-04-10  Martin Liska  <mliska@suse.cz>
179         PR gcov-profile/80224
180         * gcov.c (print_usage): Fix usage string.
181         (get_gcov_intermediate_filename): Remove.
182         (output_gcov_file): Use both for normal and intermediate format.
183         (generate_results): Do not initialize special file for
184         intermediate format.
186 2017-04-10  Richard Biener  <rguenther@suse.de>
188         PR tree-optimization/80304
189         * tree-ssa-loop-im.c (ref_indep_loop_p_1): Also recurse
190         for safelen.
192 2017-04-10  Nathan Sidwell  <nathan@acm.org>
194         PR target/79905
195         * config/rs6000/rs6000.c (rs6000_vector_type): New.
196         (rs6000_init_builtins): Use it.
198 2016-04-10  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
200         * config/arm/arm.md (<mrc>): Add mode to SET source.
201         (<mrrc>): Likewise.
203 2017-04-10  Richard Biener  <rguenther@suse.de>
205         PR middle-end/80344
206         * gimplify.c (is_gimple_mem_rhs_or_call): Allow CLOBBERs.
208 2017-04-10  Jakub Jelinek  <jakub@redhat.com>
210         PR target/80324
211         * config/i386/avx512fintrin.h (_mm512_reduce_add_epi32,
212         _mm512_reduce_mul_epi32, _mm512_reduce_and_epi32,
213         _mm512_reduce_or_epi32, _mm512_mask_reduce_add_epi32,
214         _mm512_mask_reduce_mul_epi32, _mm512_mask_reduce_and_epi32,
215         _mm512_mask_reduce_or_epi32, _mm512_reduce_min_epi32,
216         _mm512_reduce_max_epi32, _mm512_reduce_min_epu32,
217         _mm512_reduce_max_epu32, _mm512_mask_reduce_min_epi32,
218         _mm512_mask_reduce_max_epi32, _mm512_mask_reduce_min_epu32,
219         _mm512_mask_reduce_max_epu32, _mm512_reduce_add_ps,
220         _mm512_reduce_mul_ps, _mm512_mask_reduce_add_ps,
221         _mm512_mask_reduce_mul_ps, _mm512_reduce_min_ps, _mm512_reduce_max_ps,
222         _mm512_mask_reduce_min_ps, _mm512_mask_reduce_max_ps,
223         _mm512_reduce_add_epi64, _mm512_reduce_mul_epi64,
224         _mm512_reduce_and_epi64, _mm512_reduce_or_epi64,
225         _mm512_mask_reduce_add_epi64, _mm512_mask_reduce_mul_epi64,
226         _mm512_mask_reduce_and_epi64, _mm512_mask_reduce_or_epi64,
227         _mm512_reduce_min_epi64, _mm512_reduce_max_epi64,
228         _mm512_mask_reduce_min_epi64, _mm512_mask_reduce_max_epi64,
229         _mm512_reduce_min_epu64, _mm512_reduce_max_epu64,
230         _mm512_mask_reduce_min_epu64, _mm512_mask_reduce_max_epu64,
231         _mm512_reduce_add_pd, _mm512_reduce_mul_pd, _mm512_mask_reduce_add_pd,
232         _mm512_mask_reduce_mul_pd, _mm512_reduce_min_pd, _mm512_reduce_max_pd,
233         _mm512_mask_reduce_min_pd, _mm512_mask_reduce_max_pd): New intrinsics.
235 2017-04-08  Vladimir Makarov  <vmakarov@redhat.com>
237         PR rtl-optimization/70478
238         * lra-constraints.c: Reverse the last patch.
240 2017-04-08  Andreas Tobler  <andreast@gcc.gnu.org>
242         * config/aarch64/aarch64-freebsd.h: Define MCOUNT_NAME.
243         Add comment for WCHAR_T.
245 2017-04-08  Martin Liska  <mliska@suse.cz>
247         Revert:
248         2017-04-07  Martin Liska  <mliska@suse.cz>
250         PR ipa/80212
251         * ipa-split.c (split_function): Add function part to a same comdat
252         group.
254 2017-04-08  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
256         PR target/80358
257         * config/rs6000/rs6000.c (expand_block_compare): Fix boundary check.
259 2017-04-07  Pat Haugen  <pthaugen@us.ibm.com>
261         * rs6000/rs6000.c (vec_load_pendulum): Rename...
262         (vec_pairing): ...to this.
263         (power9_sched_reorder2): Rewrite code for pairing vector/vecload insns.
264         (rs6000_sched_init): Adjust for name change.
265         (struct rs6000_sched_context): Likewise.
266         (rs6000_init_sched_context): Likewise.
267         (rs6000_set_sched_context): Likewise.
269 2017-04-07  Jakub Jelinek  <jakub@redhat.com>
271         PR target/80322
272         PR target/80323
273         PR target/80325
274         PR target/80326
275         * config/i386/avxintrin.h (_mm256_cvtsd_f64, _mm256_cvtss_f32): New
276         intrinsics.
277         * config/i386/avx512fintrin.h (_mm512_int2mask, _mm512_mask2int,
278         _mm512_abs_ps, _mm512_mask_abs_ps, _mm512_abs_pd, _mm512_mask_abs_pd,
279         _mm512_cvtsd_f64, _mm512_cvtss_f32): Likewise.
281 2017-04-07  Andreas Tobler  <andreast@gcc.gnu.org>
283         * config/aarch64/aarch64-freebsd.h: Define WCHAR_TYPE.
285 2017-04-07  Vladimir Makarov  <vmakarov@redhat.com>
287         PR rtl-optimization/70703
288         * ira-color.c (update_conflict_hard_regno_costs): Use
289         int64_t instead of HOST_WIDE_INT.
291 2017-04-07  Vladimir Makarov  <vmakarov@redhat.com>
293         PR rtl-optimization/70478
294         * lra-constraints.c (process_alt_operands): Disfavor alternative
295         insn memory operands.
297 2017-04-07  Jeff Law  <law@redhat.com>
299         * config/iq2000/iq2000.c (final_prescan_insn): Do not separate a
300         CALL and NOTE_INSN_CALL_ARG_LOCATION.
302 2017-04-07  Martin Liska  <mliska@suse.cz>
304         PR target/79889
305         * config/aarch64/aarch64.c (aarch64_process_target_attr):
306         Show error message instead of an ICE.
308 2017-04-07  Martin Liska  <mliska@suse.cz>
310         PR ipa/80212
311         * ipa-split.c (split_function): Add function part to a same comdat
312         group.
314 2017-04-07  Richard Biener  <rguenther@suse.de>
316         PR middle-end/80341
317         * tree.c (get_unwidened): Also handle ! for_type case for
318         INTEGER_CSTs.
319         * convert.c (do_narrow): Split out from ...
320         (convert_to_integer_1): ... here.  Do not pass final truncation
321         type to get_unwidened for TRUNC_DIV_EXPR.
323 2017-04-07  Richard Biener  <rguenther@suse.de>
325         * tree-affine.c (wide_int_ext_for_comb): Take type rather
326         than aff_tree.
327         (aff_combination_const): Adjust.
328         (aff_combination_scale): Likewise.
329         (aff_combination_add_elt): Likewise.
330         (aff_combination_add_cst): Likewise.
331         (aff_combination_convert): Likewise.
332         (add_elt_to_tree): Likewise.  Remove unused argument.
333         (aff_combination_to_tree): Adjust calls to add_elt_to_tree.
335 2017-04-07  Sebastian Huber  <sebastian.huber@embedded-brains.de>
337         * config/arm/arm.h (ARM_DEFAULT_SHORT_ENUMS): Provide default
338         definition.
339         * config/arm/arm.c (arm_default_short_enums): Use
340         ARM_DEFAULT_SHORT_ENUMS.
341         * config/arm/rtems.h (ARM_DEFAULT_SHORT_ENUMS): Define.
343 2017-04-06  Jakub Jelinek  <jakub@redhat.com>
345         PR debug/80234
346         * dwarf2out.c (gen_member_die): Handle C++17 inline static data
347         members with redundant out-of-class redeclaration.
349 2017-04-06  Uros Bizjak  <ubizjak@gmail.com>
351         PR target/80286
352         * config/i386/sse.md (*vec_extractv4si_0_zext_sse4): New pattern.
353         * config/i386/i386.md (*zero_extendsidi2):
354         Add (?*x,*x) and (?*v,*v) alternatives.
356 2017-04-06  Uros Bizjak  <ubizjak@gmail.com>
358         PR target/79733
359         * config/i386/i386.c (ix86_expand_builtin)
360         <case IX86_BUILTIN_K{,OR}TEST{C,Z}{8,16,32,64}>: Determine insn operand
361         mode from insn data. Convert operands to insn operand mode.
362         Copy operands that don't satisfy insn predicate to a register.
364 2017-04-06  Sam Thursfield  <sam.thursfield@codethink.co.uk>
366         * config/rs6000/x-aix: Increase memory limit for genautomata on AIX.
367         Update comments.
369 2017-04-06  Richard Biener  <rguenther@suse.de>
371         PR tree-optimization/80334
372         * tree-ssa-loop-ivopts.c (rewrite_use_address): Properly
373         preserve alignment of accesses.
375 2017-04-06  Richard Biener  <rguenther@suse.de>
377         PR tree-optimization/80262
378         * tree-sra.c (build_ref_for_offset): Preserve address-space
379         information.
380         * tree-ssa-sccvn.c (vn_reference_maybe_forwprop_address):
381         Drop useless address-space information on MEM_REF offsets.
383 2017-04-05  Andreas Schwab  <schwab@linux-m68k.org>
385         * builtins.def (BUILT_IN_UPDATE_SETJMP_BUF): Fix type.
387 2017-04-05  Vladimir Makarov  <vmakarov@redhat.com>
389         PR rtl-optimization/70703
390         * ira-color.c (update_conflict_hard_regno_costs): Use
391         HOST_WIDE_INT instead of long.
393 2017-04-05  Uros Bizjak  <ubizjak@gmail.com>
395         PR target/80298
396         * config/i386/mmintrin.h: Add -msse target option when __SSE__ is
397         not defined for x86_64 target.  Add -mmmx target option when __SSE2__
398         is not defined.
399         * config/i386/mm3dnow.h: Add -msse target when __SSE__ is not defined
400         for x86_64 target.  Handle -m3dnowa option.
402 2017-04-05  Vladimir Makarov  <vmakarov@redhat.com>
404         PR rtl-optimization/70703
405         * ira-color.c (update_costs_from_allocno): Use the smallest mode.
406         (update_conflict_hard_regno_costs): Use long instead of unsigned
407         arithmetic for cost calculation.
409 2017-04-05  Jakub Jelinek  <jakub@redhat.com>
410             Bernd Edlinger  <bernd.edlinger@hotmail.de>
412         PR sanitizer/80308
413         * asan.c (asan_store_shadow_bytes): Fix location of last_chunk_value
414         for big endian.
416 2017-04-05  Eric Botcazou  <ebotcazou@adacore.com>
418         PR target/78002
419         * config/aarch64/aarch64.c (aarch64_emit_probe_stack_range): Replace
420         ptr_mode with Pmode throughout.
421         * config/aarch64/aarch64.md (probe_stack_range_<PTR:mode): Rename
422         into probe_stack_range and use DImode.
424 2017-04-05  Dominik Vogt  <vogt@linux.vnet.ibm.com>
426         PR target/79890
427         * config/s390/s390.c (s390_register_info_gprtofpr): Return if
428         call_eh_return is true.
430 2017-04-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
432         * config/s390/s390-c.c (s390_resolve_overloaded_builtin):
433         Initialize last_match_fntype_index.
435 2017-04-05  Jakub Jelinek  <jakub@redhat.com>
437         PR target/80310
438         * tree-nvr.c: Include internal-fn.h.
439         (pass_return_slot::execute): Ignore internal calls without
440         direct optab.
442 2017-04-04  Jakub Jelinek  <jakub@redhat.com>
443             Richard Biener  <rguenther@suse.de>
445         PR c++/80297
446         * genmatch.c (capture::gen_transform): For GENERIC unshare_expr
447         captures used multiple times, except for the last use.
448         * generic-match-head.c: Include gimplify.h.
450 2017-04-04  Jakub Jelinek  <jakub@redhat.com>
452         PR tree-optimization/79390
453         * target.h (struct noce_if_info): Declare.
454         * targhooks.h (default_noce_conversion_profitable_p): Declare.
455         * target.def (noce_conversion_profitable_p): New target hook.
456         * ifcvt.h (struct noce_if_info): New type, moved from ...
457         * ifcvt.c (struct noce_if_info): ... here.
458         (noce_conversion_profitable_p): Renamed to ...
459         (default_noce_conversion_profitable_p): ... this.  No longer
460         static nor inline.
461         (noce_try_store_flag_constants, noce_try_addcc,
462         noce_try_store_flag_mask, noce_try_cmove, noce_try_cmove_arith,
463         noce_convert_multiple_sets): Use targetm.noce_conversion_profitable_p
464         instead of noce_conversion_profitable_p.
465         * config/i386/i386.c: Include ifcvt.h.
466         (ix86_option_override_internal): Don't override
467         PARAM_MAX_RTL_IF_CONVERSION_INSNS default.
468         (ix86_noce_conversion_profitable_p): New function.
469         (TARGET_NOCE_CONVERSION_PROFITABLE_P): Redefine.
470         * config/i386/x86-tune.def (X86_TUNE_ONE_IF_CONV_INSN): Adjust comment.
471         * doc/tm.texi.in (TARGET_NOCE_CONVERSION_PROFITABLE_P): Add.
472         * doc/tm.texi: Regenerated.
474 2017-04-04  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
476         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Grammar
477         correction.
479 2017-04-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
481         PR target/80307
482         * config/arm/arm.c (thumb1_rtx_costs): Give a cost of 32
483         instructions for small multiply cores.
485 2017-04-04  Jeff Law  <law@redhat.com>
487         * config/mips/mips.c (mips_multi_add): Zero initialize the newly
488         added member.
489         (mips_expand_vec_perm_const): Initialize elements in orig_perm
490         that are not set by the loop over the elements.
492 2017-04-04  Jakub Jelinek  <jakub@redhat.com>
494         PR target/80286
495         * config/i386/i386.c (ix86_expand_args_builtin): If op has scalar
496         int mode, convert_modes it to mode as unsigned, otherwise use
497         lowpart_subreg to mode rather than SImode.
498         * config/i386/sse.md (<mask_codefor>ashr<mode>3<mask_name>,
499         ashr<mode>3, ashr<mode>3<mask_name>, <shift_insn><mode>3<mask_name>):
500         Use DImode instead of SImode for the shift count operand.
501         * config/i386/mmx.md (mmx_ashr<mode>3, mmx_<shift_insn><mode>3):
502         Likewise.
504 2017-04-04  Richard Biener  <rguenther@suse.de>
506         PR middle-end/80281
507         * match.pd (A + (-B) -> A - B): Make sure to preserve unsigned
508         arithmetic done for the negate or the plus.  Simplify.
509         (A - (-B) -> A + B): Likewise.
510         * fold-const.c (split_tree): Make sure to not negate pointers.
512 2017-04-04  Segher Boessenkool  <segher@kernel.crashing.org>
514         PR rtl-optimization/60818
515         * simplify-rtx.c (simplify_binary_operation_1): Do not replace
516         a compare of comparisons with the thing compared if this results
517         in a different machine mode.
519 2017-04-03  Jonathan Wakely  <jwakely@redhat.com>
521         * alias.c (base_alias_check): Fix typo in comment.
522         * cgraph.h (class ipa_polymorphic_call_context): Likewise.
523         * cgraphunit.c (symbol_table::compile): Likewise.
524         * collect2.c (maybe_run_lto_and_relink): Likewise.
525         * config/arm/arm.c (arm_thumb1_mi_thunk): Likewise.
526         * config/avr/avr-arch.h (avr_arch_info_t): Likewise.
527         * config/avr/avr.c (avr_map_op_t): Likewise.
528         * config/cr16/cr16.h (DATA_ALIGNMENT): Likewise.
529         * config/epiphany/epiphany.c (TARGET_ARG_PARTIAL_BYTES): Likewise.
530         * config/epiphany/epiphany.md (movcc): Likewise.
531         * config/i386/i386.c (legitimize_pe_coff_extern_decl): Likewise.
532         * config/m68k/m68k.c (struct _sched_ib, m68k_sched_variable_issue):
533         Likewise.
534         * config/mips/mips.c (mips_save_restore_reg): Likewise.
535         * config/rx/rx.c (rx_is_restricted_memory_address): Likewise.
536         * config/s390/s390.c (Z10_EARLYLOAD_DISTANCE): Likewise.
537         * config/sh/sh.c (sh_rtx_costs): Likewise.
538         * fold-const.c (fold_truth_andor): Likewise.
539         * genautomata.c (collapse_flag): Likewise.
540         * gengtype.h (struct type::u::s): Likewise.
541         * gensupport.c (has_subst_attribute, add_mnemonic_string): Likewise.
542         * input.c (FORMAT_AMOUNT): Likewise.
543         * ipa-cp.c (class ipcp_lattice, agg_replacements_to_vector)
544         (known_aggs_to_agg_replacement_list): Likewise.
545         * ipa-inline-analysis.c: Likewise.
546         * ipa-inline.h (estimate_edge_time, estimate_edge_hints): Likewise.
547         * ipa-polymorphic-call.c
548         (ipa_polymorphic_call_context::restrict_to_inner_class): Likewise.
549         * loop-unroll.c (analyze_insn_to_expand_var): Likewise.
550         * lra.c (lra_optional_reload_pseudos, lra_subreg_reload_pseudos):
551         Likewise.
552         * modulo-sched.c (apply_reg_moves): Likewise.
553         * omp-expand.c (build_omp_regions_1): Likewise.
554         * trans-mem.c (struct tm_wrapper_hasher): Likewise.
555         * tree-ssa-loop-ivopts.c (may_eliminate_iv): Likewise.
556         * tree-ssa-loop-niter.c (maybe_lower_iteration_bound): Likewise.
557         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Likewise.
558         * value-prof.c: Likewise.
559         * var-tracking.c (val_reset): Likewise.
561 2017-04-03  Richard Biener  <rguenther@suse.de>
563         PR tree-optimization/80275
564         * fold-const.c (split_address_to_core_and_offset): Handle
565         POINTER_PLUS_EXPR.
567 2017-04-03  Eric Botcazou  <ebotcazou@adacore.com>
569         * tree-nested.c (get_descriptor_type): Make sure that the alignment of
570         descriptors is at least equal to that of functions.
572 2017-04-02  Uros Bizjak  <ubizjak@gmail.com>
574         * config/i386/sse.md (movdi_to_sse): Add missing DONE.
576 2017-04-02  Uros Bizjak  <ubizjak@gmail.com>
578         PR target/80250
579         * config/i386/sse.md (mov<IMOD4:mode>): Remove insn pattern.
580         (mov<IMOD4:mode>): New expander.
581         (*mov<IMOD4:mode>_internal): New insn and split pattern.
583 2017-03-31  Segher Boessenkool  <segher@kernel.crashing.org>
585         PR rtl-optimization/79405
586         * fwprop.c (propagations_left): New variable.
587         (forward_propagate_into): Decrement it.
588         (fwprop_init): Initialize it.
589         (fw_prop): If the variable has reached zero, stop propagating.
590         (fwprop_addr): Ditto.
592 2017-03-31  Jakub Jelinek  <jakub@redhat.com>
594         PR debug/79255
595         * dwarf2out.c (decls_for_scope): If BLOCK_NONLOCALIZED_VAR is
596         a FUNCTION_DECL, pass it as decl instead of origin to
597         process_scope_var.
599 2017-03-31  Alexander Monakov  <amonakov@ispras.ru>
601         * config/nvptx/nvptx.c (nvptx_output_softstack_switch): Correct format
602         string.
604 2017-03-31  Pat Haugen  <pthaugen@us.ibm.com>
606         PR target/80107
607         * config/rs6000/rs6000.md (extendhi<mode>2): Add test for
608         TARGET_VSX_SMALL_INTEGER.
610 2017-03-31  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
612         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Add
613         reference to the OpenPOWER 64-Bit ELF V2 ABI Specification.
615 2017-03-31  Matthew Fortune  <matthew.fortune@imgtec.com>
617         * config/mips/mips-msa.md (msa_vec_extract_<msafmt_f>): Update
618         extraction from odd-numbered MSA register.
620 2017-03-31  Jakub Jelinek  <jakub@redhat.com>
622         PR middle-end/80173
623         * expmed.c (store_bit_field_1): Don't attempt to create
624         a word subreg out of hard registers wider than word if they
625         have HARD_REGNO_NREGS of 1 for their mode.
627         PR middle-end/80163
628         * varasm.c (initializer_constant_valid_p_1): Disallow sign-extending
629         conversions to integer types wider than word and pointer.
631         PR debug/80025
632         * cselib.h (rtx_equal_for_cselib_1): Add depth argument.
633         (rtx_equal_for_cselib_p): Pass 0 to it.
634         * cselib.c (cselib_hasher::equal): Likewise.
635         (rtx_equal_for_cselib_1): Add depth argument.  If depth
636         is 128, don't look up VALUE locs and punt.  Increment
637         depth in recursive calls when walking VALUE locs.
639 2017-03-31  Bernd Edlinger  <bernd.edlinger@hotmail.de>
641         * gcov.c (md5sum_to_hex): Fix output of MD5 hex bytes.
642         (make_gcov_file_name): Use the canonical path name for generating
643         the MD5 value.
644         (read_line): Fix handling of files with ascii null bytes.
646 2017-03-30  Matthew Fortune  <matthew.fortune@imgtec.com>
648         * config/mips/mips.c (mips_expand_vector_init): Create a const_vector
649         to initialise a vector register instead
650         of using a const_int.
652 2017-03-30  Jakub Jelinek  <jakub@redhat.com>
654         PR translation/80189
655         * gimplify.c (omp_default_clause): Use %qs instead of %s in
656         diagnostic messages.
658 2017-03-30  Peter Bergner  <bergner@vnet.ibm.com>
660         PR target/80246
661         * config/rs6000/dfp.md (dfp_dxex_<mode>): Update mode of operand 0.
662         (dfp_diex_<mode>): Update mode of operand 1.
663         * doc/extend.texi (dxex, dxexq): Document change to return type.
664         (diex, diexq): Document change to argument type.
666 2017-03-30  Martin Jambor  <mjambor@suse.cz>
668         PR ipa/77333
669         * cgraph.h (cgraph_build_function_type_skip_args): Declare.
670         * cgraph.c (redirect_call_stmt_to_callee): Set gimple fntype so that
671         it reflects the signature changes performed at the callee side.
672         * cgraphclones.c (build_function_type_skip_args): Make public, renamed
673         to cgraph_build_function_type_skip_args.
674         (build_function_decl_skip_args): Adjust call to the above function.
676 2017-03-30  Jakub Jelinek  <jakub@redhat.com>
678         PR target/80206
679         * config/i386/sse.md
680         (<extract_type>_vextract<shuffletype><extract_suf>_mask): Use
681         register as dest whenever it is a MEM not rtx_equal_p to the
682         corresponding dup operand, and when forcing into reg move the
683         reg into the memory afterwards.
684         (<extract_type_2>_vextract<shuffletype><extract_suf_2>_mask):
685         Likewise.  Use <ssehalfvecmode> instead of <ssequartermode>
686         for the force_reg mode.
687         (avx512vl_vextractf128<mode>): Use register as dest either
688         always when a MEM, or when it is a MEM not rtx_equal_p to the
689         corresponding dup operand, or even not when it is a CONST_VECTOR
690         depending on the mode and lo vs. hi.
691         (avx512dq_vextract<shuffletype>64x2_1_maskm): Remove extraneous
692         parens.
693         (avx512f_vextract<shuffletype>32x4_1_maskm): Likewise.
694         (<mask_codefor>avx512dq_vextract<shuffletype>64x2_1<mask_name>):
695         Likewise.  Require that operands[2] is even.
696         (<mask_codefor>avx512f_vextract<shuffletype>32x4_1<mask_name>):
697         Remove extraneous parens.  Require that operands[2] is a multiple
698         of 4.
699         (vec_extract_lo_<mode><mask_name>): Don't bother testing if
700         operands[0] is a MEM if <mask_applied>, the predicates/constraints
701         disallow memory then.
703 2017-03-30  Richard Biener  <rguenther@suse.de>
705         PR tree-optimization/77498
706         * tree-ssa-pre.c (phi_translate_1): Do not allow simplifications
707         to non-constants over backedges.
709 2017-03-29  Segher Boessenkool  <segher@kernel.crashing.org>
711         PR rtl-optimization/80233
712         * combine.c (combine_instructions): Only take NONDEBUG_INSN_P insns
713         as last_combined_insn.  Do not test for BARRIER_P separately.
715 2017-03-29  Andreas Schwab  <schwab@suse.de>
717         PR ada/80146
718         * calls.c (prepare_call_address): Convert funexp to Pmode before
719         copying to temp reg.
721 2017-03-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
723         PR tree-optimization/80158
724         * gimple-ssa-strength-reduction.c (replace_mult_candidate):
725         Handle possible future case of more than one alternate
726         interpretation.
727         (replace_rhs_if_not_dup): Likewise.
728         (replace_one_candidate): Likewise.
730 2017-03-28  Vladimir Makarov  <vmakarov@redhat.com>
732         PR rtl-optimization/80193
733         * ira.c (ira): Do not check allocation for LRA.
735 2017-03-28  Alexander Monakov  <amonakov@ispras.ru>
737         * config/nvptx/nvptx-protos.h (nvptx_output_simt_enter): Declare.
738         (nvptx_output_simt_exit): Declare.
739         * config/nvptx/nvptx.c (nvptx_init_unisimt_predicate): Use
740         cfun->machine->unisimt_location.  Handle NULL unisimt_predicate.
741         (init_softstack_frame): Move initialization of crtl->is_leaf to...
742         (nvptx_declare_function_name): ...here.  Emit declaration of local
743         memory space buffer for omp_simt_enter insn.
744         (nvptx_output_unisimt_switch): New.
745         (nvptx_output_softstack_switch): New.
746         (nvptx_output_simt_enter): New.
747         (nvptx_output_simt_exit): New.
748         * config/nvptx/nvptx.h (struct machine_function): New fields
749         has_simtreg, unisimt_location, simt_stack_size, simt_stack_align.
750         * config/nvptx/nvptx.md (UNSPECV_SIMT_ENTER): New unspec.
751         (UNSPECV_SIMT_EXIT): Ditto.
752         (omp_simt_enter_insn): New insn.
753         (omp_simt_enter): New expansion.
754         (omp_simt_exit): New insn.
755         * config/nvptx/nvptx.opt (msoft-stack-reserve-local): New option.
757         * internal-fn.c (expand_GOMP_SIMT_ENTER): New.
758         (expand_GOMP_SIMT_ENTER_ALLOC): New.
759         (expand_GOMP_SIMT_EXIT): New.
760         * internal-fn.def (GOMP_SIMT_ENTER): New internal function.
761         (GOMP_SIMT_ENTER_ALLOC): Ditto.
762         (GOMP_SIMT_EXIT): Ditto.
763         * target-insns.def (omp_simt_enter): New insn.
764         (omp_simt_exit): Ditto.
765         * omp-low.c (struct omplow_simd_context): New fields simt_eargs,
766         simt_dlist.
767         (lower_rec_simd_input_clauses): Implement SIMT privatization.
768         (lower_rec_input_clauses): Likewise.
769         (lower_lastprivate_clauses): Handle SIMT privatization.
771         * omp-offload.c: Include langhooks.h, tree-nested.h, stor-layout.h.
772         (ompdevlow_adjust_simt_enter): New.
773         (find_simtpriv_var_op): New.
774         (execute_omp_device_lower): Handle IFN_GOMP_SIMT_ENTER,
775         IFN_GOMP_SIMT_ENTER_ALLOC, IFN_GOMP_SIMT_EXIT.
777         * tree-inline.h (struct copy_body_data): New field dst_simt_vars.
778         * tree-inline.c (expand_call_inline): Handle SIMT privatization.
779         (copy_decl_for_dup_finish): Ditto.
781         * tree-ssa.c (execute_update_addresses_taken): Handle GOMP_SIMT_ENTER.
783 2017-03-28  Uros Bizjak  <ubizjak@gmail.com>
785         PR target/53383
786         * config/i386/i386.c (ix86_option_override_internal): Always
787         allow -mpreferred-stack-boundary=3 for 64-bit targets.
789 2017-03-28  Bin Cheng  <bin.cheng@arm.com>
791         * tree-vect-loop.c (optimize_mask_stores): Add bb to the right loop.
793 2017-03-28  Bin Cheng  <bin.cheng@arm.com>
795         * tree-vect-loop-manip.c (slpeel_add_loop_guard): New param and
796         mark new edge's irreducible flag accordign to it.
797         (vect_do_peeling): Check loop preheader edge's irreducible flag
798         and pass it to function slpeel_add_loop_guard.
800 2017-03-28  Richard Sandiford  <richard.sandiford@arm.com>
802         PR tree-optimization/80218
803         * tree-call-cdce.c (shrink_wrap_one_built_in_call_with_conds):
804         Update block frequencies and counts.
806 2017-03-28  Richard Biener  <rguenther@suse.de>
808         PR tree-optimization/78644
809         * tree-ssa-ccp.c (evaluate_stmt): When we may not use the value
810         of a simplification result we may not use it at all.
812 2017-03-28  Richard Biener  <rguenther@suse.de>
814         PR ipa/80205
815         * tree-inline.c (copy_phis_for_bb): Do not create PHI node
816         without arguments, generate default definition of a SSA name.
818 2017-03-28  Richard Biener  <rguenther@suse.de>
820         PR middle-end/80222
821         * gimple-fold.c (gimple_fold_indirect_ref): Do not touch
822         TYPE_REF_CAN_ALIAS_ALL references.
823         * fold-const.c (fold_indirect_ref_1): Likewise.
825 2017-03-28  Martin Liska  <mliska@suse.cz>
827         PR ipa/80104
828         * cgraphunit.c (cgraph_node::expand_thunk): Mark argument of a
829         thunk call as DECL_GIMPLE_REG_P when vector or complex type.
831 2017-03-28  Claudiu Zissulescu  <claziss@synopsys.com>
832             Thomas Petazzoni  <thomas.petazzoni@free-electrons.com>
834         * config/arc/arc.h (CPP_SPEC): Add subtarget_cpp_spec.
835         (EXTRA_SPECS): Define.
836         (SUBTARGET_EXTRA_SPECS): Likewise.
837         (SUBTARGET_CPP_SPEC): Likewise.
838         * config/arc/elf.h (EXTRA_SPECS): Renamed to
839         SUBTARGET_EXTRA_SPECS.
840         * config/arc/linux.h (SUBTARGET_CPP_SPEC): Define.
842 2017-03-28  Claudiu Zissulescu  <claziss@synopsys.com>
844         * config/arc/simdext.md (vst64_insn): Update pattern.
845         (vld32wh_insn): Likewise.
846         (vld32wl_insn): Likewise.
847         (vld64_insn): Likewise.
848         (vld32_insn): Likewise.
850 2017-03-28  Marek Polacek  <polacek@redhat.com>
852         PR sanitizer/80067
853         * fold-const.c (fold_comparison): Use protected_set_expr_location
854         instead of SET_EXPR_LOCATION.
856 2017-03-28  Markus Trippelsdorf  <markus@trippelsdorf.de>
858         * tree.c (add_expr): Avoid name lookup warning.
860 2017-03-27  Jeff Law  <law@redhat.com>
862         PR tree-optimization/80216
863         * tree-ssa-dom.c (derive_equivalences_from_bit_ior): Fix typo in
864         function name.  Limit recursion depth.
865         (record_temporary_equivalences): Corresponding changes.
867 2017-03-27  Jonathan Wakely  <jwakely@redhat.com>
869         * doc/invoke.texi (-Wno-narrowing): Reorder so default behavior is
870         covered first.
872 2017-03-27  Jakub Jelinek  <jakub@redhat.com>
874         PR target/80102
875         * reg-notes.def (REG_CFA_NOTE): Define.  Use it for CFA related
876         notes.
877         * cfgcleanup.c (reg_note_cfa_p): New array.
878         (insns_have_identical_cfa_notes): New function.
879         (old_insns_match_p): Don't cross-jump in between /f
880         and non-/f instructions.  If both i1 and i2 are frame related,
881         verify all CFA notes, their order and content.
883 2017-03-27  Michael Meissner  <meissner@linux.vnet.ibm.com>
885         PR target/78543
886         * config/rs6000/rs6000.md (bswaphi2_extenddi): Combine bswap
887         HImode and SImode with zero extend to DImode to one insn.
888         (bswap<mode>2_extenddi): Likewise.
889         (bswapsi2_extenddi): Likewise.
890         (bswaphi2_extendsi): Likewise.
891         (bswaphi2): Combine bswap HImode and SImode into one insn.
892         Separate memory insns from swapping register.
893         (bswapsi2): Likewise.
894         (bswap<mode>2): Likewise.
895         (bswaphi2_internal): Delete, no longer used.
896         (bswapsi2_internal): Likewise.
897         (bswap<mode>2_load): Split bswap HImode/SImode into separate load,
898         store, and gpr<-gpr swap insns.
899         (bswap<mode>2_store): Likewise.
900         (bswaphi2_reg): Register only splitter, combine with the splitter.
901         (bswaphi2 splitter): Likewise.
902         (bswapsi2_reg): Likewise.
903         (bswapsi2 splitter): Likewise.
904         (bswapdi2): If we have the LDBRX and STDBRX instructions, split
905         the insns into load, store, and register/register insns.
906         (bswapdi2_ldbrx): Likewise.
907         (bswapdi2_load): Likewise.
908         (bswapdi2_store): Likewise.
909         (bswapdi2_reg): Likewise.
911 2017-03-27  Gunther Nikl  <gnikl@users.sourceforge.net>
913         * system.h (HAVE_DESIGNATED_INITIALIZERS): Fix non C++ case.
914         (HAVE_DESIGNATED_UNION_INITIALIZERS): Likewise.
916 2017-03-27  Kelvin Nilsen  <kelvin@gcc.gnu.org>
918         PR target/80103
919         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Edit and
920         add comments.
921         * config/rs6000/rs6000.c (rs6000_option_override_internal): Add
922         special handling for target option conflicts between dform
923         options (-mpower9-dform, -mpower9-dform-vector,
924         -mpower9-dform-scalar) and -mno-direct-move.
926 2017-03-27  Richard Biener  <rguenther@suse.de>
928         PR tree-optimization/80181
929         * tree-ssa-ccp.c (likely_value): UNDEFINED ^ X is UNDEFINED.
931 2017-03-27  Claudiu Zissulescu  <claziss@synopsys.com>
933         * config/arc/predicates.md (move_double_src_operand): Replace the
934         call to move_double_src_operand with a call to address_operand.
936 2017-03-27  Claudiu Zissulescu  <claziss@synopsys.com>
938         * config/arc/elf.h (ARGET_ARC_TP_REGNO_DEFAULT): Define.
939         * config/arc/linux.h (ARGET_ARC_TP_REGNO_DEFAULT): Likewise.
940         * config/arc/arc.opt (mtp-regno): Use ARGET_ARC_TP_REGNO_DEFAULT.
942 2017-03-27  Claudiu Zissulescu  <claziss@synopsys.com>
944         * config/arc/predicates.md (long_immediate_loadstore_operand):
945         Consider scaled addresses cases.
947 2017-03-27  Claudiu Zissulescu  <claziss@synopsys.com>
949         * config/arc/arc.c (arc_epilogue_uses): BLINK should be also
950         restored when in interrupt.
951         * config/arc/arc.md (simple_return): ARCv2 rtie instruction
952         doesn't have delay slot.
954 2017-03-27  Richard Biener  <rguenther@suse.de>
956         PR ipa/79776
957         * tree-ssa-structalias.c (associate_varinfo_to_alias): Skip
958         inlined thunk clones.
960 2017-03-27  Jakub Jelinek  <jakub@redhat.com>
962         PR sanitizer/80168
963         * asan.c (instrument_derefs): Copy over last operand from
964         original COMPONENT_REF to the new COMPONENT_REF with
965         DECL_BIT_FIELD_REPRESENTATIVE.
966         * ubsan.c (instrument_object_size): Likewise.
968 2017-03-27  Richard Biener  <rguenther@suse.de>
970         PR tree-optimization/80170
971         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Make
972         sure DR/SCEV didnt fold in constants we do not see when looking
973         at the reference base alignment.
975 2017-03-27  Richard Biener  <rguenther@suse.de>
977         PR middle-end/80171
978         * gimple-fold.c (fold_ctor_reference): Properly guard against
979         NULL return value from canonicalize_constructor_val.
981 2017-03-25  Uros Bizjak  <ubizjak@gmail.com>
983         PR target/80180
984         * config/i386/i386.c (ix86_expand_builtin)
985         <IX86_BUILTIN_RDSEED{16,32,64}_STEP>: Do not expand arg0 between
986         flags reg setting and flags reg using instructions.
987         <IX86_BUILTIN_RDRAND{16,32,64}_STEP>: Ditto.  Use non-flags reg
988         clobbering instructions to zero extend op2.
990 2017-03-25  Gerald Pfeifer  <gerald@pfeifer.com>
992         * doc/install.texi (Configuration) <--with-aix-soname>:
993         Update link to AIX ld.
995 2017-03-25  Bernd Schmidt  <bschmidt@redhat.com>
997         PR rtl-optimization/80160
998         PR rtl-optimization/80159
999         * lra-assigns.c (must_not_spill_p): Tighten new test to also take
1000         reg_alternate_class into account.
1002 2017-03-24  Vladimir Makarov  <vmakarov@redhat.com>
1004         PR target/80148
1005         * lra-assigns.c (assign_by_spills): Add spilled non-reload pseudos
1006         to consider in curr_insn_transform.
1008 2017-03-24  Jakub Jelinek  <jakub@redhat.com>
1010         * genrecog.c (validate_pattern): Add VEC_SELECT validation.
1011         * genmodes.c (emit_min_insn_modes_c): Call emit_mode_nunits
1012         and emit_mode_inner.
1014 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
1016         * config/s390/s390-builtins.def: Add VXE builtins.  Add a flags
1017         argument to the overloaded builtin variants.  Use the new flag to
1018         deprecate certain builtin variants.
1019         * config/s390/s390-builtin-types.def: Add new builtin types.
1020         * config/s390/s390-builtins.h: Support new flags field for
1021         overloaded builtins.
1022         * config/s390/s390-c.c (OB_DEF_VAR): New flags field.
1023         (s390_macro_to_expand): Enable vector float data type.
1024         (s390_cpu_cpp_builtins_internal): Indicate support of the new
1025         builtins by incrementing the __VEC__ version number.
1026         (s390_expand_overloaded_builtin): Support expansion of vec_xl and
1027         vec_xst.
1028         (s390_resolve_overloaded_builtin): Emit error messages depending
1029         on the builtin flags.
1030         * config/s390/s390.c (s390_expand_builtin): Support additional
1031         flags argument.  Change error message to match the messages
1032         emitted in s390-c.c.
1033         * config/s390/s390.md: New UNSPEC_* constants.
1034         (op_type): Add new instruction types.
1035         * config/s390/vecintrin.h: Add new builtins and test data class
1036         constants.
1037         * config/s390/vx-builtins.md (V_HW_32_64): Add V4SF.
1038         (V_HW_4, VEC_HW, VECF_HW): New mode iterators.
1039         (VEC_INEXACT, VEC_NOINEXACT): New constants.
1040         ("vec_splats<mode>", "vec_insert<mode>", "vec_promote<mode>")
1041         ("vec_insert_and_zero<mode>", "vec_mergeh<mode>")
1042         ("vec_mergel<mode>"): V_HW -> VEC_HW.
1044         ("vlrlrv16qi", "vstrlrv16qi", "vbpermv16qi", "vec_msumv2di")
1045         ("vmslg", "*vftci<mode>_cconly", "vftci<mode>_intcconly")
1046         ("*vftci<mode>", "vftci<mode>_intcc", "vec_double_s64")
1047         ("vec_double_u64", "vfmin<mode>", "vfmax<mode>"): New definition.
1049         ("and_av2df3", "and_cv2df3", "vec_andc_av2df3")
1050         ("vec_andc_cv2df3", "xor_av2df3", "xor_cv2df3", "vec_nor_av2df3")
1051         ("vec_nor_cv2df3", "ior_av2df3", "ior_cv2df3", "vec_nabs")
1052         ("*vftcidb", "*vftcidb_cconly", "vftcidb"): Remove definition.
1054         ("vec_all_<fpcmpcc:code>v2df", "vec_any_<fpcmpcc:code>v2df")
1055         ("vec_scatter_elementv4si_DI", "vec_cmp<fpcmp:code>v2df")
1056         ("vec_di_to_df_s64", "vec_di_to_df_u64", "vec_df_to_di_u64")
1057         ("vfidb", "*vldeb", "*vledb", "*vec_cmp<insn_cmp>v2df_cconly")
1058         ("vec_cmpeqv2df_cc", "vec_cmpeqv2df_cc", "vec_cmphv2df_cc")
1059         ("vec_cmphev2df_cc", "*vec_cmpeqv2df_cc")
1060         ("*vec_cmphv2df_cc", "*vec_cmphev2df_cc"): Enable new modes as ...
1062         ("vec_all_<fpcmpcc:code><mode>", "vec_any_<fpcmpcc:code><mode>")
1063         ("vec_scatter_element<V_HW_4:mode>_DI")
1064         ("vec_cmp<fpcmp:code><mode>", "vcdgb", "vcdlgb", "vclgdb")
1065         ("vec_fpint<mode>", "vflls")
1066         ("vflrd", "*vec_cmp<insn_cmp><mode>_cconly", "vec_cmpeq<mode>_cc")
1067         ("vec_cmpeq<mode>_cc", "vec_cmph<mode>_cc", "vec_cmphe<mode>_cc")
1068         ("*vec_cmpeq<mode>_cc", "*vec_cmph<mode>_cc")
1069         ("*vec_cmphe<mode>_cc"): ... these.
1071         ("vec_ctd_s64", "vec_ctsl", "vec_ctul", "vec_st2f"): Use rounding
1072         mode constant instead of magic value.
1074 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
1076         * config/s390/s390.c (s390_expand_vec_compare): Support other
1077         vector floating point modes than just V2DF.
1078         (s390_expand_vcond): Likewise.
1079         (s390_hard_regno_mode_ok): Allow SFmode values in VRs.
1080         (s390_cannot_change_mode_class): Prevent mode changes between TF
1081         and V1TF in vector registers.
1082         * config/s390/s390.md (DF, SF): New mode attributes.
1083         ("*cmp<mode>_ccs", "add<mode>3", "sub<mode>3", "mul<mode>3")
1084         ("fma<mode>4", "fms<mode>4", "div<mode>3", "*neg<mode>2"): Add
1085         SFmode support for VRs.
1086         * config/s390/vector.md (V_HW, V_HW2, VT_HW, ti*, nonvec): Add new
1087         vector fp modes.
1088         (VFT, VF_HW): New mode iterators.
1089         (vw, sdx): New mode attributes.
1090         ("addv2df3", "subv2df3", "mulv2df3", "divv2df3", "sqrtv2df2")
1091         ("fmav2df4","fmsv2df4", "negv2df2", "absv2df2", "*negabsv2df2")
1092         ("smaxv2df3", "sminv2df3", "*vec_cmp<VFCMP_HW_OP:code>v2df_nocc")
1093         ("vec_cmpuneqv2df", "vec_cmpltgtv2df", "vec_orderedv2df")
1094         ("vec_unorderedv2df"): Adjust the v2df only patterns to support
1095         also the new vector floating point modes.  Renaming to ...
1097         ("add<mode>3", "sub<mode>3", "mul<mode>3", "div<mode>3")
1098         ("sqrt<mode>2", "fma<mode>4", "fms<mode>4", "neg<mode>2")
1099         ("abs<mode>2", "negabs<mode>2", "smax<mode>3")
1100         ("smin<mode>3", "*vec_cmp<VFCMP_HW_OP:code><mode>_nocc")
1101         ("vec_cmpuneq<mode>", "vec_cmpltgt<mode>", "vec_ordered<mode>")
1102         ("vec_unordered<mode>"): ... these.
1104         ("neg_fma<mode>4", "neg_fms<mode>4", "*smax<mode>3_vxe")
1105         ("*smin<mode>3_vxe", "*sminv2df3_vx", "*vec_extendv4sf")
1106         ("*vec_extendv2df"): New insn definitions.
1108 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
1110         * config/s390/s390.md ("*adddi3_sign", "*subdi3_sign", "mulditi3")
1111         ("mulditi3_2", "*muldi3_sign"): New patterns.
1112         ("muldi3", "*muldi3", "mulsi3", "*mulsi3"): Add an expander and
1113         rename the pattern definition.
1115 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
1117         * config/s390/s390.md ("indirect_jump"): Turn insn definition into
1118         expander.
1119         ("*indirect_jump", "*indirect2_jump"): New pattern definitions.
1121 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
1123         * config/s390/s390.c (s390_expand_vec_init): Use vllezl
1124         instruction if possible.
1125         * config/s390/vector.md (vec_halfnumelts): New mode
1126         attribute.
1127         ("*vec_vllezlf<mode>"): New pattern.
1129 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
1131         * config/s390/vector.md ("popcountv16qi2", "popcountv8hi2")
1132         ("popcountv4si2", "popcountv2di2"): Rename to ...
1133         ("popcount<mode>2", "popcountv8hi2_vx", "popcountv4si2_vx")
1134         ("popcountv2di2_vx"): ... these and add !TARGET_VXE to the
1135         condition.
1136         ("popcount<mode>2_vxe"): New pattern.
1138 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
1140         * common/config/s390/s390-common.c (processor_flags_table): Add
1141         arch12.
1142         * config.gcc: Add arch12.
1143         * config/s390/driver-native.c (s390_host_detect_local_cpu):
1144         Default to arch12 for unknown CPU model numbers.
1145         * config/s390/s390-builtins.def: Add B_VXE builtin flag.
1146         * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Adjust
1147         PROCESSOR_max sanity check.
1148         * config/s390/s390-opts.h (enum processor_type): Add
1149         PROCESSOR_ARCH12.
1150         * config/s390/s390.c (processor_table): Add arch12.
1151         (s390_expand_builtin): Add check for B_VXE flag.
1152         (s390_issue_rate): Add PROCESSOR_ARCH12.
1153         (s390_get_sched_attrmask): Likewise.
1154         (s390_get_unit_mask): Likewise.
1155         (s390_sched_score): Enable z13 scheduling for arch12.
1156         (s390_sched_reorder): Likewise.
1157         (s390_sched_variable_issue): Likewise.
1158         * config/s390/s390.h (enum processor_flags): Add PF_ARCH12 and
1159         PF_VXE.
1160         (s390_tune_attr): Use z13 scheduling also for arch12.
1161         (TARGET_CPU_ARCH12, TARGET_CPU_ARCH12_P, TARGET_CPU_VXE)
1162         (TARGET_CPU_VXE_P, TARGET_ARCH12, TARGET_ARCH12_P, TARGET_VXE)
1163         (TARGET_VXE_P): New macros.
1164         * config/s390/s390.md: Add arch12 to cpu attribute.  Add arch12
1165         and vxe to cpu_facility.  Add arch12 and vxe to enabled attribute.
1166         * config/s390/s390.opt: Add arch12 as processor_type.
1168 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
1170         * config/s390/s390.md
1171         ("fixuns_truncdddi2", "fixuns_trunctddi2")
1172         ("fixuns_trunc<BFP:mode><GPR:mode>2"): Merge into ...
1173         ("fixuns_trunc<FP:mode><GPR:mode>2"): New expander.
1175         ("fixuns_trunc<BFP:mode><GPR:mode>2", "fixuns_trunc<mode>si2"):
1176         Rename expanders to ...
1178         ("fixuns_trunc<BFP:mode><GPR:mode>2_emu")
1179         ("fixuns_truncdddi2_emu"): ... these.
1181         ("fixuns_trunc<mode>si2_emu"): New expander.
1183         ("*fixuns_truncdfdi2_z13"): Rename to ...
1184         ("*fixuns_truncdfdi2_vx"): ... this.
1186 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
1188         * config/s390/2964.md: Remove the single element vector compare
1189         instructions which are no longer used.
1190         * config/s390/s390.c (s390_select_ccmode): Remove handling of
1191         vector CCmodes.
1192         (s390_canonicalize_comparison): Remove handling of DFmode
1193         compares.
1194         (s390_expand_vec_compare_scalar): Remove function.
1195         (s390_emit_compare): Don't call s390_expand_vec_compare_scalar.
1196         * config/s390/s390.md ("*vec_cmp<insn_cmp>df_cconly"): Remove
1197         pattern.
1198         ("*cmp<mode>_ccs"): Add wfcdb instruction.
1200 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
1202         * config/s390/s390.md ("mov<mode>_64dfp" DD_DF): Use vleig for loading a
1203         FP zero.
1204         ("*mov<mode>_64" DD_DF): Remove the vector instructions. These
1205         will anyway by matched by mov<mode>_64dfp.
1207 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
1209         * config/s390/s390.md ("mov<mode>" SD_SF): Change vleg/vsteg to
1210         vlef/vstef.  Add missing operand to vleif.
1212 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
1214         * config/s390/s390.c (s390_expand_vec_init): Enable vector load
1215         pair for all vector types with 64 bit elements.
1216         * config/s390/vx-builtins.md (V_HW_64): Move mode iterator to ...
1217         * config/s390/vector.md (V_HW_64): ... here.
1218         (V_128_NOSINGLE): New mode iterator.
1219         ("vec_init<V_HW:mode>"): Use V_128 as mode iterator.
1220         ("*vec_splat<mode>"): Use V_128_NOSINGLE mode iterator.
1221         ("*vec_tf_to_v1tf", "*vec_ti_to_v1ti"): New pattern definitions.
1222         ("*vec_load_pairv2di"): Change to ...
1223         ("*vec_load_pair<mode>"): ... this one.
1225 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
1227         * config/s390/constraints.md: Add comments.
1228         (jKK): Reject element sizes > 8 bytes.
1229         * config/s390/s390.c (s390_split_ok_p): Enable splitting also for
1230         s_operands.
1231         * config/s390/s390.md: Add the s_operand checks formerly in
1232         s390_split_ok_p to various splitters where they are still
1233         required.
1234         * config/s390/vector.md ("mov<mode>" V_128): Add GPR alternatives
1235         for 128 bit vectors.  Plus two splitters.
1237 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
1239         * config/s390/s390.md: Rename the cpu facilty vec to vx throughout
1240         the file.
1242 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
1244         PR target/79893
1245         * config/s390/s390-c.c (s390_adjust_builtin_arglist): Issue an
1246         error if the boundary argument is not constant.
1248 2017-03-24  Jakub Jelinek  <jakub@redhat.com>
1250         PR rtl-optimization/80112
1251         * loop-doloop.c (doloop_condition_get): Don't check condition
1252         if cmp isn't SET with IF_THEN_ELSE src.
1254 2017-03-24  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1256         PR tree-optimization/80158
1257         * gimple-ssa-strength-reduction.c (replace_mult_candidate): When
1258         replacing a candidate statement, also replace it for the
1259         candidate's alternate interpretation.
1260         (replace_rhs_if_not_dup): Likewise.
1261         (replace_one_candidate): Likewise.
1263 2017-03-24  Richard Biener  <rguenther@suse.de>
1265         PR tree-optimization/80167
1266         * graphite-isl-ast-to-gimple.c
1267         (translate_isl_ast_to_gimple::is_valid_rename): Handle default-defs
1268         properly.
1269         (translate_isl_ast_to_gimple::get_rename): Likewise.
1271 2017-03-23  Kelvin Nilsen  <kelvin@gcc.gnu.org>
1273         * config/rs6000/rs6000.c (rs6000_option_override_internal): Change
1274         handling of certain combinations of target options, including the
1275         combinations -mpower8-vector vs. -mno-vsx, -mpower9-vector vs.
1276         -mno-power8-vector, and -mpower9_dform vs. -mno-power9-vector.
1278 2017-03-23  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1280         PR target/71436
1281         * config/arm/arm.md (*load_multiple): Add reload_completed to
1282         matching condition.
1284 2017-03-23  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1285             Richard Biener  <rguenth@suse.de>
1287         PR tree-optimization/79908
1288         PR tree-optimization/80136
1289         * tree-stdarg.c (expand_ifn_va_arg_1): For a VA_ARG whose LHS has
1290         been cast away, gimplify_and_add suffices.
1292 2017-03-23  Markus Trippelsdorf  <markus@trippelsdorf.de> 
1294         * tree-vrp.c (identify_jump_threads): Delete avail_exprs.
1296 2017-03-23  Richard Biener  <rguenther@suse.de>
1298         PR tree-optimization/80032
1299         * gimplify.c (gimple_push_cleanup): Forced unconditional
1300         cleanups still have to go to the conditional_cleanups
1301         sequence.
1303 2017-03-22  Jakub Jelinek  <jakub@redhat.com>
1305         PR tree-optimization/80072
1306         * tree-ssa-reassoc.c (struct operand_entry): Change id field type
1307         to unsigned int.
1308         (next_operand_entry_id): Change type to unsigned int.
1309         (sort_by_operand_rank): Make sure to return the right return value
1310         even if unsigned fields are bigger than INT_MAX.
1311         (struct oecount): Change cnt and id type to unsigned int.
1312         (oecount_hasher::equal): Formatting fix.
1313         (oecount_cmp): Make sure to return the right return value
1314         even if unsigned fields are bigger than INT_MAX.
1315         (undistribute_ops_list): Change next_oecount_id type to unsigned int.
1317         PR c++/80129
1318         * gimplify.c (gimplify_modify_expr_rhs) <case COND_EXPR>: Clear
1319         TREE_READONLY on result if writing it more than once.
1321         PR sanitizer/80110
1322         * doc/invoke.texi (-fsanitize=thread): Document that with
1323         -fnon-call-exceptions atomics are not able to throw
1324         exceptions.
1326         PR sanitizer/80110
1327         * tsan.c: Include tree-eh.h.
1328         (instrument_builtin_call): Call maybe_clean_eh_stmt or
1329         maybe_clean_or_replace_eh_stmt where needed.
1330         (instrument_memory_accesses): Add cfg_changed argument.
1331         Call gimple_purge_dead_eh_edges on each block and set *cfg_changed
1332         if it returned true.
1333         (tsan_pass): Adjust caller.  Return TODO_cleanup_cfg if cfg_changed.
1335         PR rtl-optimization/63191
1336         * config/i386/i386.c (ix86_delegitimize_address): Turn into small
1337         wrapper function, moved the whole old content into ...
1338         (ix86_delegitimize_address_1): ... this.  New inline function.
1339         (ix86_find_base_term): Use ix86_delegitimize_address_1 with
1340         true as last argument instead of ix86_delegitimize_address.
1342 2017-03-22  Wilco Dijkstra  <wdijkstr@arm.com>
1344         * config/aarch64/aarch64.c (generic_branch_cost): Copy
1345         cortexa57_branch_cost.
1347 2017-03-22  Wilco Dijkstra  <wdijkstr@arm.com>
1349         * config/aarch64/aarch64.c (generic_tunings): Add AES fusion.
1351 2017-03-21  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
1353         PR target/80123
1354         * doc/md.texi (Constraints): Document wA constraint.
1355         * config/rs6000/constraints.md (wA): New.
1356         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Add wA reg_class.
1357         (rs6000_init_hard_regno_mode_ok): Init wA constraint.
1358         * config/rs6000/rs6000.h (RS6000_CONSTRAINT_wA): New.
1359         * config/rs6000/vsx.md (vsx_splat_<mode>): Use wA constraint.
1361 2017-03-22  Cesar Philippidis  <cesar@codesourcery.com>
1363         PR c++/80029
1364         * gimplify.c (is_oacc_declared): New function.
1365         (oacc_default_clause): Use it to set default flags for acc declared
1366         variables inside parallel regions.
1367         (gimplify_scan_omp_clauses): Strip firstprivate pointers for acc
1368         declared variables.
1369         (gimplify_oacc_declare): Gimplify the declare clauses.  Add the
1370         declare attribute to any decl as necessary.
1372 2017-03-22  Thomas Preud'homme  <thomas.preudhomme@arm.com>
1374         PR target/80082
1375         * config/arm/arm-isa.h (isa_bit_lpae): New feature bit.
1376         (ISA_ARMv7ve): Add isa_bit_lpae to the definition.
1377         * config/arm/arm-protos.h (arm_arch7ve): Rename into ...
1378         (arm_arch_lpae): This.
1379         * config/arm/arm.c (arm_arch7ve): Rename into ...
1380         (arm_arch_lpae): This.  Define it in term of isa_bit_lpae.
1381         * config/arm/arm.h (TARGET_HAVE_LPAE): Redefine in term of
1382         arm_arch_lpae.
1384 2017-03-22  Martin Liska  <mliska@suse.cz>
1386         PR target/79906
1387         * config/rs6000/rs6000.c (rs6000_inner_target_options): Show
1388         error message instead of an ICE.
1390 2017-03-21  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1392         * doc/extend.texi (6.11 Additional Floating Types): Revise.
1394 2017-03-21  Kelvin Nilsen  <kelvin@gcc.gnu.org>
1396         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Add
1397         comments.
1398         * config/rs6000/rs6000.c (rs6000_option_override_internal): Add
1399         comments.
1401 2017-03-21  Martin Sebor  <msebor@redhat.com>
1403         * doc/extend.texi: Use "cannot" instead of "can't."
1404         * doc/hostconfig.texi: Same.
1405         * doc/install.texi: Same.
1406         * doc/invoke.texi: Same.
1407         * doc/loop.texi: Same.
1408         * doc/md.texi: Same.
1409         * doc/objc.texi: Same.
1410         * doc/rtl.texi: Same.
1411         * doc/tm.texi: Same.
1412         * doc/tm.texi.in: Same.
1413         * doc/trouble.texi: Same.
1415 2017-03-21  Alexandre Oliva <aoliva@redhat.com>
1417         PR debug/63238
1418         * dwarf2out.c (struct checksum_attributes): Add at_alignment.
1419         (collect_checksum_attributes): Set it.
1420         (die_checksum_ordered): Use it.
1422 2017-03-21  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1424         PR tree-optimization/79908
1425         * tree-stdarg.c (expand_ifn_va_arg_1): Revert the following
1426         change: For a VA_ARG whose LHS has been cast away, use
1427         force_gimple_operand to construct the side effects.
1429 2017-03-21  David Malcolm  <dmalcolm@redhat.com>
1431         PR translation/80001
1432         * omp-offload.c (oacc_loop_fixed_partitions): Make diagnostics
1433         more amenable to translation.
1434         (oacc_loop_auto_partitions): Likewise.
1436 2017-03-21  Marek Polacek  <polacek@redhat.com>
1437             Martin Sebor  <msebor@redhat.com>
1439         PR tree-optimization/80109
1440         * gimple-ssa-warn-alloca.c (alloca_call_type): Only call get_range_info
1441         on INTEGRAL_TYPE_P.
1443 2017-03-21  Jakub Jelinek  <jakub@redhat.com>
1444             Segher Boessenkool  <segher@kernel.crashing.org>
1446         PR target/80125
1447         * combine.c (can_combine_p): Revert the 2017-03-20 change, only
1448         check reg_used_between_p between insn and one of succ or succ2
1449         depending on if succ is artificial insn not inserted into insn
1450         stream.
1452 2017-03-21  Martin Liska  <mliska@suse.cz>
1454         PR gcov-profile/80081
1455         * Makefile.in: Add gcov-dump and fix installation of gcov-tool.
1456         * doc/gcc.texi: Include gcov-dump stuff.
1457         * doc/gcov-dump.texi: New file.
1459 2017-03-21  Toma Tabacu  <toma.tabacu@imgtec.com>
1461         PR rtl-optimization/79150
1462         * config/mips/mips.c (mips_block_move_loop): Emit a NOP after the
1463         conditional jump, if the jump is the last insn of the loop.
1465 2017-03-21  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1466             Richard Biener  <rguenth@suse.de>
1468         PR tree-optimization/79908
1469         * tree-stdarg.c (expand_ifn_va_arg_1): For a VA_ARG whose LHS has
1470         been cast away, use force_gimple_operand to construct the side
1471         effects.
1473 2017-03-21  Martin Liska  <mliska@suse.cz>
1475         PR libfortran/79956
1476         * simplify-rtx.c (simplify_immed_subreg): Initialize a variable
1477         to NULL.
1479 2017-03-21  Brad Spengler <spender@grsecurity.net>
1481         PR plugins/80094
1482         * plugin.c (htab_hash_plugin): New function.
1483         (add_new_plugin): Use it and adjust.
1484         (parse_plugin_arg_opt): Adjust.
1485         (init_one_plugin): Likewise.
1487 2017-03-21  Richard Biener  <rguenther@suse.de>
1489         PR tree-optimization/80032
1490         * gimplify.c (gimple_push_cleanup): Add force_uncond parameter,
1491         if set force the cleanup to happen unconditionally.
1492         (gimplify_target_expr): Push inserted clobbers with force_uncond
1493         to avoid them being removed by control-dependent DCE.
1495 2017-03-21  Richard Biener  <rguenther@suse.de>
1497         PR tree-optimization/80122
1498         * tree-inline.c (copy_bb): Do not expans va-arg packs or
1499         va_arg_pack_len when the inlined call stmt requires pack
1500         expansion itself.
1501         * tree-inline.h (struct copy_body_data): Make call_stmt a gcall *.
1503 2017-03-21  Jakub Jelinek  <jakub@redhat.com>
1505         PR sanitizer/78158
1506         * tsan.c (instrument_builtin_call): If the memory model argument
1507         is not a constant, assume it is valid.
1509         PR c/67338
1510         * fold-const.c (round_up_loc): Negate divisor in unsigned type to
1511         avoid UB.
1513 2017-03-20  Segher Boessenkool  <segher@kernel.crashing.org>
1515         PR rtl-optimization/79910
1516         * combine.c (can_combine_p): Do not allow combining an I0 or I1
1517         if its dest is used by an insn before I2 (other than the combined
1518         insns themselves, which are properly handled already).
1520 2017-03-20  Segher Boessenkool  <segher@kernel.crashing.org>
1522         Revert:
1523         2017-03-17  Bernd Schmidt  <bschmidt@redhat.com>
1525         * combine.c (record_used_regs): New static function.
1526         (try_combine): Handle situations where there is an additional
1527         instruction between I2 and I3 which needs to have a LOG_LINK
1528         updated.
1530         Revert:
1531         2017-03-17  Jim Wilson  <jim.wilson@linaro.org>
1533         * combine.c (try_combine): Delete redundant i1 test.  Call
1534         prev_nonnote_nondebug_insn instead of prev_nonnote_insn.
1536 2017-03-20  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
1538         PR target/80083
1539         * config/rs6000/rs6000.md (*movsi_internal1): Fix constraints for
1540         alternatives 13/14.
1542 2017-03-20  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1544         PR tree-optimization/80054
1545         * gimple-ssa-strength-reduction.c (all_phi_incrs_profitable): Fail
1546         the optimization if a PHI or any of its arguments is not dominated
1547         by the candidate's basis.  Use gphi* rather than gimple* as
1548         appropriate.
1549         (replace_profitable_candidates): Clean up a gimple* variable that
1550         should be a gphi* variable.
1552 2017-03-20  Martin Sebor  <msebor@redhat.com>
1554         PR c++/52477
1555         * doc/extend.texi (attribute constructor): Document present limitation.
1557 2017-03-20  Kelvin Nilsen  <kelvin@gcc.gnu.org>
1559         PR target/79963
1560         * config/rs6000/altivec.h (vec_all_ne): Under __cplusplus__ and
1561         __POWER9_VECTOR__ #ifdef control, change template definition to
1562         use Power9-specific built-in function.
1563         (vec_any_eq): Likewise.
1564         * config/rs6000/vector.md (vector_ae_v2di_p): Change the flag used
1565         to control outcomes from this test.
1566         (vector_ae_<mode>p): For VEC_F modes, likewise.
1568 2017-03-20  Ian Lance Taylor  <iant@google.com>
1570         * config/i386/i386.c (ix86_function_regparm): Save an extra
1571         register for -fsplit-stack with DECL_STATIC_CHAIN.
1573 2017-03-17  Palmer Dabbelt  <palmer@dabbelt.com>
1575         PR target/79912
1576         * config/riscv/riscv.c (riscv_preferred_reload_class): Remove.
1577         (TARGET_PREFERRED_RELOAD_CLASS): Likewise.
1579 2017-03-17  Palmer Dabbelt  <palmer@dabbelt.com>
1581         * config/riscv/riscv.c (riscv_print_operand): Use "fence
1582         iorw,ow".
1583         * config/riscv/sync.mc (mem_thread_fence_1): Use "fence
1584         iorw,iorw".
1586 2017-03-20  Marek Polacek  <polacek@redhat.com>
1588         PR sanitizer/80063
1589         * asan.c (DEF_SANITIZER_BUILTIN): Use do { } while (0).
1591 2017-03-20  Richard Biener  <rguenther@suse.de>
1593         PR tree-optimization/80113
1594         * graphite-isl-ast-to-gimple.c (copy_loop_phi_nodes): Do not
1595         allocate extra SSA name for PHI def.
1596         (add_close_phis_to_outer_loops): Likewise.
1597         (add_close_phis_to_merge_points): Likewise.
1598         (copy_loop_close_phi_args): Likewise.
1599         (copy_cond_phi_nodes): Likewise.
1601 2017-03-20  Martin Liska  <mliska@suse.cz>
1603         PR middle-end/79753
1604         * tree-chkp.c (chkp_build_returned_bound): Do not build
1605         returned bounds for a LHS that's not a BOUNDED_P type.
1607 2017-03-20  Martin Liska  <mliska@suse.cz>
1609         PR target/79769
1610         PR target/79770
1611         * tree-chkp.c (chkp_find_bounds_1): Handle REAL_CST,
1612         COMPLEX_CST and VECTOR_CST.
1614 2017-03-20  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
1616         PR target/78857
1617         * config/s390/s390.md ("cmp<mode>_ccs_0"): Add a clobber of the
1618         target operand.  A new splitter adds the clobber statement in case
1619         the target operand is dead anyway.
1621 2017-03-19  Gerald Pfeifer  <gerald@pfeifer.com>
1623         * doc/install.texi (Specific) <sparc-*-linux*>: No longer refer 
1624         to age-old versions of binutils and glibc.
1626 2017-03-18  Segher Boessenkool  <segher@kernel.crashing.org>
1628         * doc/contrib.texi (Contributors): Remove duplicate entry for myself.
1630 2017-03-18  Gerald Pfeifer  <gerald@pfeifer.com>
1632         * doc/contrib.texi (Contributors): Add Segher Boessenkool.
1634 2017-03-18  Gerald Pfeifer  <gerald@pfeifer.com>
1635         
1636         * doc/install.texi (Specific) <arm-*-eabi>: Remove old
1637         requirement for binutils 2.13.
1639 2017-03-17  Jim Wilson  <jim.wilson@linaro.org>
1641         * combine.c (try_combine): Delete redundant i1 test.  Call
1642         prev_nonnote_nondebug_insn instead of prev_nonnote_insn.
1644 2017-03-17  Palmer Dabbelt  <palmer@dabbelt.com
1646         * doc/install.texi (Specific) <riscv32-*-elf>: Add riscv32-*-elf,
1647         riscv32-*-linux, riscv64-*-elf, riscv64-*-linux to the table of
1648         contents.
1649         <riscv64-*-elf>: Re-arrange section
1650         <riscv32-*-elf>: Add a note about requiring binutils 2.28.
1651         <riscv32-*-linux>: Likewise.
1652         <riscv64-*-elf>: Likewise
1653         <riscv64-*-linux>: Likewise.
1655 2017-03-17  Richard Earnshaw  <rearnsha@arm.com>
1657         PR target/80052
1658         * aarch64.opt(verbose-cost-dump): Fix typo.
1660 2017-03-17  Pat Haugen  <pthaugen@us.ibm.com>
1662         PR target/79951
1663         * config/rs6000/rs6000.md (copysign<mode>3_fcpsgn): Test
1664         for VECTOR_UNIT_VSX_P (<MODE>mode) too.
1666 2017-03-17  Bernd Schmidt  <bschmidt@redhat.com>
1668         * reload.c (find_reloads): When reloading a nonoffsettable address,
1669         use RELOAD_OTHER for it and its address reloads.
1671         PR rtl-optimization/79910
1672         * combine.c (record_used_regs): New static function.
1673         (try_combine): Handle situations where there is an additional
1674         instruction between I2 and I3 which needs to have a LOG_LINK
1675         updated.
1677 2017-03-17  Jeff Law  <law@redhat.com>
1679         PR tree-optimization/71437
1680         * tree-vrp.c (simplify_stmt_for_jump_threading): Lookup the
1681         conditional in the hash table first.
1682         (vrp_dom_walker::before_dom_children): Extract condition from
1683         ASSERT_EXPR.  Record condition, its inverion and any implied
1684         conditions as well.
1686 2017-03-17  Marek Polacek  <polacek@redhat.com>
1687             Markus Trippelsdorf  <markus@trippelsdorf.de>
1689         PR tree-optimization/80079
1690         * gimple-ssa-store-merging.c (class pass_store_merging): Initialize
1691         m_stores_head.
1693 2017-03-17  Richard Biener  <rguenther@suse.de>
1695         PR middle-end/80075
1696         * tree-eh.c (stmt_could_throw_1_p): Only handle gimple assigns.
1697         Properly verify the LHS before the RHS possibly claims to be
1698         handled.
1699         (stmt_could_throw_p): Hande gimple conds fully here.  Clobbers
1700         do not throw.
1702 2017-03-17  Martin Jambor  <mjambor@suse.cz>
1704         * doc/invoke.texi (Option Options): Include -fipa-vrp in the list.
1705         (List of -O2 options): Likewise.
1706         (-fipa-bit-cp): Replace "ipa" with "interprocedural."
1707         (-fipa-vrp) New.
1709 2017-03-17  Tom de Vries  <tom@codesourcery.com>
1711         * gcov-dump.c (print_usage): Print bug_report_url.
1713 2017-03-17  Richard Biener  <rguenther@suse.de>
1715         PR middle-end/80050
1716         * genmatch.c (parser::next): Remove pointless check for CPP_EOF.
1717         (parser::peek): Likewise.
1719 2017-03-17  Richard Biener  <rguenther@suse.de>
1721         PR tree-optimization/80048
1722         * sese.c (free_sese_info): Properly release rename_map and
1723         copied_bb_map elements.
1725 2017-03-16  Alexandre Oliva <aoliva@redhat.com>
1727         * gimple-ssa-store-merging.c (struct imm_store_chain_info):
1728         Add linked-list forward and backlinks.  Insert on
1729         construction, remove on destruction.
1730         (class pass_store_merging): Add m_stores_head field.
1731         (pass_store_merging::terminate_and_process_all_chains):
1732         Iterate over m_stores_head list.
1733         (pass_store_merging::terminate_all_aliasing_chains):
1734         Likewise.
1735         (pass_store_merging::execute): Check for debug stmts first.
1736         Push new chains onto the m_stores_head stack.
1738 2017-03-16  Michael Meissner  <meissner@linux.vnet.ibm.com>
1740         PR target/71294
1741         * config/rs6000/vsx.md (vsx_splat_<mode>, VSX_D iterator): Allow a
1742         SPLAT operation on ISA 2.07 64-bit systems that have direct move,
1743         but no MTVSRDD support, by doing MTVSRD and XXPERMDI.
1745 2017-03-16  Jeff Law  <law@redhat.com>
1747         PR tree-optimization/71437
1748         * tree-ssa-dom.c (dom_opt_dom_walker): Remove thread_across_edge
1749         member function.  Implementation moved into after_dom_children
1750         member function and into the threader's thread_outgoing_edges
1751         function.
1752         (dom_opt_dom_walker::after_dom_children): Simplify by moving
1753         some code into new thread_outgoing_edges.
1754         * tree-ssa-threadedge.c (thread_across_edge): Make static and simplify
1755         definition.  Simplify marker handling (do it here).   Assume we always
1756         have the available expression and the const/copies tables.
1757         (thread_outgoing_edges): New function extracted from tree-ssa-dom.c
1758         and tree-vrp.c
1759         * tree-ssa-threadedge.h (thread_outgoing_edges): Declare.
1760         * tree-vrp.c (equiv_stack): No longer file scoped.
1761         (vrp_dom_walker): New class.
1762         (vrp_dom_walker::before_dom_children): New member function.
1763         (vrp_dom_walker::after_dom_children): Likewise.
1764         (identify_jump_threads):  Setup domwalker.  Use it rather than
1765         walking edges in a random order by hand.  Simplify setup/finalization.
1766         (finalize_jump_threads): Remove.
1767         (vrp_finalize): Do not call identify_jump_threads here.
1768         (execute_vrp): Do it here instead and call thread_through_all_blocks
1769         here too.
1771         PR tree-optimization/71437
1772         * tree-ssa-dom.c (pfn_simplify): Add basic_block argument.  All
1773         callers changed.
1774         (simplify_stmt_for_jump_threading): Add basic_block argument.  All
1775         callers changed.
1776         (lhs_of_dominating_assert): Moved from here into tree-vrp.c.
1777         (dom_opt_dom_walker::thread_across_edge): Remove
1778         handle_dominating_asserts argument.  All callers changed.
1779         (record_temporary_equivalences_from_stmts_at_dest): Corresponding
1780         changes.  Remove calls to lhs_of_dominating_assert.  Other
1781         uses of handle_dominating_asserts turn into unconditional code
1782         (simplify_control_stmt_condition_1): Likewise.
1783         (simplify_control_stmt_condition): Likewise.
1784         (thread_through_normal_block, thread_across_edge): Likewise.
1785         * tree-ssa-threadedge.h (thread_across_edge): Corresponding changes.
1786         * tree-vrp.c (lhs_of_dominating_assert): Move here.  Return original
1787         object if it is not an SSA_NAME.
1788         (simplify_stmt_for_jump_threading): Call lhs_of_dominating_assert
1789         before calling into the VRP specific simplifiers.
1790         (identify_jump_threads): Remove handle_dominating_asserts
1791         argument.
1793 2017-03-16  Jakub Jelinek  <jakub@redhat.com>
1795         PR fortran/79886
1796         * tree-diagnostic.c (default_tree_printer): No longer static.
1797         * tree-diagnostic.h (default_tree_printer): New prototype.
1799 2017-03-16  Tamar Christina  <tamar.christina@arm.com>
1801         * config/aarch64/aarch64-simd.md (*aarch64_simd_mov<mode>)
1802         Change ins into fmov.
1804 2017-03-16  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1806         * config/aarch64/iterators.md (h_con): Return "x" for V4HF and V8HF.
1807         * config/aarch64/aarch64-simd.md (*aarch64_fma4_elt_from_dup<mode>):
1808         Use h_con constraint for operand 1.
1809         (*aarch64_fnma4_elt_from_dup<mode>): Likewise.
1810         (*aarch64_mulx_elt_from_dup<mode>): Likewise for operand 2.
1812 2017-03-15  Jeff Law  <law@redhat.com>
1814         PR tree-optimization/71437
1815         * tree-ssa-dom.c (derive_equivalences_from_bit_ior): New function.
1816         (record_temporary_equivalences): Use it.
1818         PR tree-optimization/71437
1819         * tree-ssa-dom.c (struct cond_equivalence): Moved from here into
1820         tree-ssa-scopedtables.
1821         (lookup_avail_expr, build_and_record_new_cond): Likewise.
1822         (record_conditions, record_cond, vuse_eq): Likewise.
1823         (record_edge_info): Adjust to API tweak of record_conditions.
1824         (simplify_stmt_for_jump_threading): Similarly for lookup_avail_expr.
1825         (record_temporary_equivalences, optimize_stmt): Likewise.
1826         (eliminate_redundant_computations): Likewise.
1827         (record_equivalences_from_stmt): Likewise.
1828         * tree-ssa-scopedtables.c: Include options.h and params.h.
1829         (vuse_eq): New function, moved from tree-ssa-dom.c
1830         (build_and_record_new_cond): Likewise.
1831         (record_conditions): Likewise.  Accept vector of conditions rather
1832         than edge_equivalence structure for first argument.
1833         for the first argument.
1834         (avail_exprs_stack::lookup_avail_expr): New member function, moved
1835         from tree-ssa-dom.c.
1836         (avail_exprs_stack::record_cond): Likewise.
1837         * tree-ssa-scopedtables.h (struct cond_equivalence): Moved here
1838         from tree-ssa-dom.c.
1839         (avail_exprs_stack): Add new member functions lookup_avail_expr
1840         and record_cond.
1841         (record_conditions): Declare.
1843 2017-03-15  Vladimir Makarov  <vmakarov@redhat.com>
1845         PR target/80017
1846         * lra-constraints.c (process_alt_operands): Increase reject for
1847         reloading an input/output operand.
1849 2017-03-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
1851         PR target/79038
1852         * config/rs6000/rs6000.md (float<QHI:mode><IEEE128:mode>2): Define
1853         insns to convert from signed/unsigned char/short to IEEE 128-bit
1854         floating point.
1855         (floatuns<QHI:mode><IEEE128:mode>2): Likewise.
1857 2017-03-15  Uros Bizjak  <ubizjak@gmail.com>
1859         PR target/80019
1860         * config/i386/i386.c (ix86_vector_duplicate_value): Create
1861         subreg of inner mode for values already in registers.
1863 2017-03-15  Bernd Schmidt  <bschmidt@redhat.com>
1865         * config/c6x/c6x.c (hwloop_optimize): Handle case where the old
1866         iteration reg is used after the loop.
1868 2017-03-14  Martin Sebor  <msebor@redhat.com>
1870         PR tree-optimization/79800
1871         * gimple-ssa-sprintf.c (format_floating: Add argument.  Handle
1872         precision in negative-positive range.
1873         (format_floating): Call non-const overload with adjusted precision.
1875 2017-03-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
1877         PR target/79947
1878         * config/rs6000/rs6000.h (TARGET_FRSQRTES): Add check for
1879         -mpowerpc-gfxopt.
1881 2017-03-14  Martin Sebor  <msebor@redhat.com>
1883         PR middle-end/80020
1884         * builtin-attrs.def (ATTR_ALLOC_SIZE_2_NOTHROW_LIST): New macro.
1885         * builtins.def (aligned_alloc): Use it.
1887         PR c/79936
1888         * Makefile.in (GTFILES): Add calls.c.
1889         * calls.c: Include "gt-calls.h".
1891 2017-03-14  Bernd Schmidt  <bschmidt@redhat.com>
1893         PR rtl-optimization/79728
1894         * regs.h (struct target_regs): New field
1895         x_contains_allocatable_regs_of_mode.
1896         (contains_allocatable_regs_of_mode): New macro.
1897         * reginfo.c (init_reg_sets_1): Initialize it, and change
1898         contains_reg_of_mode so it includes global regs as well.
1899         * reload.c (push_reload): Use contains_allocatable_regs_of_mode
1900         rather than contains_regs_of_mode.
1902 2017-03-14  Martin Liska  <mliska@suse.cz>
1904         * doc/invoke.texi: Document options that can't be combined with
1905         -fcheck-pointer-bounds.
1907 2017-03-14  Martin Liska  <mliska@suse.cz>
1909         PR middle-end/79831
1910         * doc/invoke.texi (-Wchkp): Document the option.
1912 2017-03-14  Martin Liska  <mliska@suse.cz>
1914         * Makefile.in: Install gcov-dump.
1916 2017-03-14  Martin Liska  <mliska@suse.cz>
1918         * multiple_target.c (expand_target_clones): Bail out for
1919         an invalid attribute.
1921 2017-03-14  Richard Biener  <rguenther@suse.de>
1923         * alias.c (struct alias_set_entry): Pack properly.
1924         * cfgloop.h (struct loop): Likewise.
1925         * cse.c (struct set): Likewise.
1926         * ipa-utils.c (struct searchc_env): Likewise.
1927         * loop-invariant.c (struct invariant): Likewise.
1928         * lra-remat.c (struct cand): Likewise.
1929         * recog.c (struct change_t): Likewise.
1930         * rtl.h (struct address_info): Likewise.
1931         * symbol-summary.h (function_summary): Likewise.
1932         * tree-loop-distribution.c (struct partition): Likewise.
1933         * tree-object-size.c (struct object_size_info): Likewise.
1934         * tree-ssa-loop-ivopts.c (struct cost_pair): Likewise.
1935         * tree-ssa-threadupdate.c (struct ssa_local_info_t): Likewise.
1936         * tree-vect-data-refs.c (struct _vect_peel_info): Likewise.
1937         * tree-vect-slp.c (struct _slp_oprnd_info): Likewise.
1938         * tree-vect-stmts.c (struct simd_call_arg_info): Likewise.
1939         * tree-vectorizer.h (struct _loop_vec_info): Likewise.
1940         (struct _stmt_vec_info): Likewise.
1942 2017-03-14  Martin Liska  <mliska@suse.cz>
1944         PR target/79892
1945         * multiple_target.c (create_dispatcher_calls): Check that
1946         a target can create a function dispatcher.
1948 2017-03-14  Martin Liska  <mliska@suse.cz>
1950         PR lto/66295
1951         * multiple_target.c (expand_target_clones): Drop local.local
1952         flag for default implementation.
1954 2017-03-14  Richard Biener  <rguenther@suse.de>
1956         PR tree-optimization/80030
1957         * tree-vect-stmts.c (vectorizable_store): Plug memleak.
1959 2017-03-13  Kito Cheng  <kito.cheng@gmail.com>
1961         * config/riscv/riscv.c (riscv_emit_float_compare>: Use
1962         gcc_fallthrough() instead of __attribute__((fallthrough));
1964 2017-03-13  Gerald Pfeifer  <gerald@pfeifer.com>
1966         * doc/gcc.texi: Remove "up" link to (DIR).
1967         * doc/gccint.texi: Ditto.
1969 2017-03-13  Gerald Pfeifer  <gerald@pfeifer.com>
1970         
1971         * doc/install.texi (Specific) <avr>: Remove reference to
1972         binutils 2.13.
1974 2017-03-13  Jeff Law  <law@redhat.com>
1976         * config/riscv/riscv.c (riscv_emit_float_compare): Use fallthru
1977         attribute rather than comments.
1979         * config/pdp11/pdp11.md (movmemhi): Adjust operand numbers to
1980         match_scratch operand is highest.
1982 2017-03-13  Martin Liska  <mliska@suse.cz>
1984         PR middle-end/78339
1985         * ipa-pure-const.c (warn_function_noreturn): If the declarations
1986         is a CHKP clone, use original declaration.
1988 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
1990         * config/arc/arc.c (arc_init): Use multiplier whenever we have it.
1991         (arc_conditional_register_usage): Use a different allocation order
1992         when optimizing for size.
1993         * common/config/arc/arc-common.c (arc_option_optimization_table):
1994         Section anchors default on when optimizing for size.
1996 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
1998         * config/arc/arc.md (*tst_bitfield_tst): Fix pattern.
2000 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
2002         * config/arc/arc.c (arc_output_addsi): Emit code density adds.
2003         * config/arc/arc.md (cpu_facility): Add cd variant.
2004         (*movqi_insn): Add code density variant.
2005         (*movhi_insn): Likewise.
2006         (*movqi_insn): Likewise.
2007         (*addsi3_mixed): Likewise.
2008         (subsi3_insn): Likewise.
2010 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
2012         * config/arc/arc.md (movsi_cond_exec): Update constraint.
2014 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
2016         * config/arc/arc.c (arc_legitimize_pic_address): Handle PIC
2017         expressions with MINUS and UNARY ops.
2019 2017-03-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2021         PR target/79911
2022         * config/arm/neon.md (vec_sel_widen_ssum_lo<VQI:mode><VW:mode>3):
2023         Rename to...
2024         (vec_sel_widen_ssum_lo<mode><V_half>3): ... This. Avoid mismatch
2025         between vec_select and vector argument.
2026         (vec_sel_widen_ssum_hi<VQI:mode><VW:mode>3): Rename to...
2027         (vec_sel_widen_ssum_hi<mode><V_half>3): ... This. Likewise.
2028         (vec_sel_widen_usum_lo<VQI:mode><VW:mode>3): Rename to...
2029         (vec_sel_widen_usum_lo<mode><V_half>3): ... This.
2030         (vec_sel_widen_usum_hi<VQI:mode><VW:mode>3): Rename to...
2031         (vec_sel_widen_usum_hi<mode><V_half>3): ... This.
2033 2017-03-13  Richard Biener  <rguenther@suse.de>
2035         PR other/79991
2036         * params.def (vect-max-peeling-for-alignment): Fix typo.
2038 2017-03-12  Gerald Pfeifer  <gerald@pfeifer.com>
2040         * doc/install.texi (Specific) <mips-*-*>: Remove description of
2041         issue that only occurred with binutils below 2.18.
2042         
2043 2017-03-12  Gerald Pfeifer  <gerald@pfeifer.com>
2045         * doc/install.texi (Specific) <cris-axis-elf>: No longer
2046         refer to binutils 2.11/2.12 minimum.
2048 2017-03-12  Gerald Pfeifer  <gerald@pfeifer.com>
2050         * doc/install.texi (Specific) <powerpc-*-*>: Remove link to
2051         ftp.kernel.org and simplify binutils requirement.
2053 2017-03-11  Gerald Pfeifer  <gerald@pfeifer.com>
2055         * doc/invoke.texi (Warning Options): Fix spelling of link-time
2056         optimization.
2057         (Optimize Options): Ditto.  Also remove redundancy.
2059 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
2061         PR translation/79848
2062         * ipa-devirt.c (warn_types_mismatch): Simplify uses of "%<%s%>" to
2063         "%qs".
2064         * ipa-pure-const.c (suggest_attribute): Likewise.  Convert _
2065         to G_ to avoid double translation.
2067 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
2069         PR translation/79923
2070         * auto-profile.c (get_combined_location): Convert leading
2071         character of diagnostics to lower case and remove trailing period.
2072         (read_profile): Likewise for various diagnostics.
2073         * config/arm/arm.c (arm_option_override): Remove trailing period
2074         from various diagnostics.
2075         * config/msp430/msp430.c (msp430_expand_delay_cycles): Likewise.
2076         (msp430_expand_delay_cycles): Likewise.
2078 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
2080         PR target/79925
2081         * config/aarch64/aarch64.c (aarch64_validate_mcpu): Quote the
2082         full command-line argument, rather than just "str".
2083         (aarch64_validate_march): Likewise.
2084         (aarch64_validate_mtune): Likewise.
2086 2017-03-10  Bernd Schmidt  <bschmidt@redhat.com>
2088         PR rtl-optimization/78911
2089         * lra-assigns.c (must_not_spill_p): New function.
2090         (spill_for): Use it.
2092 2017-03-10  Jakub Jelinek  <jakub@redhat.com>
2094         PR tree-optimization/79981
2095         * tree-vrp.c (extract_range_basic): Handle IMAGPART_EXPR of
2096         ATOMIC_COMPARE_EXCHANGE ifn result.
2097         (stmt_interesting_for_vrp, vrp_visit_stmt): Handle
2098         IFN_ATOMIC_COMPARE_EXCHANGE.
2100 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
2102         PR driver/79875
2103         * opts.c (parse_sanitizer_options): Add missing question mark to
2104         "did you mean" message.
2106 2017-03-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2108         * config/rs6000/rs6000-builtin.def (VMULEUB_UNS): Remove orphaned
2109         built-in.
2110         (VMULEUH_UNS): Likewise.
2111         (VMULOUB_UNS): Likewise.
2112         (VMULOUH_UNS): Likewise.
2113         * config/rs6000/rs6000.c (builtin_function_type): Remove
2114         references to ALTIVEC_BUILTIN_VMUL[EO]U[BH]_UNS.
2116 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
2118         PR bootstrap/79952
2119         * read-rtl-function.c (function_reader::read_rtx_operand): Update
2120         x with result of extra_parsing_for_operand_code_0.
2121         (function_reader::extra_parsing_for_operand_code_0): Convert
2122         return type from void to rtx, returning x.  When reading
2123         SYMBOL_REF with SYMBOL_FLAG_HAS_BLOCK_INFO, reallocate x to the
2124         larger size containing struct block_symbol.
2126 2017-03-10  Segher Boessenkool  <segher@kernel.crashing.org>
2128         * config/rs6000/rs6000.c (rs6000_option_override_internal): Disallow
2129         -mfloat128-hardware without -m64.
2131 2017-03-10  Will Schmidt <will_schmidt@vnet.ibm.com>
2133         PR target/79941
2134         * config/rs6000/rs6000.c (builtin_function_type): Add VMUL*U[HB]
2135         entries to the case statement that marks unsigned arguments to
2136         overloaded functions.
2138 2017-03-10  Kelvin Nilsen  <kelvin@gcc.gnu.org>
2140         * config/rs6000/rs6000.c (rs6000_option_override_internal): Fix
2141         two typographic errors in the handling of TARGET_UPPER_REGS_DI.
2143 2017-03-10  Pat Haugen  <pthaugen@us.ibm.com>
2145         PR target/79907
2146         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Test
2147         TARGET_UPPER_REGS_DI when setting 'wi' constraint regclass.
2149 2017-03-10  Martin Liska  <mliska@suse.cz>
2151         PR target/65705
2152         PR target/69804
2153         * toplev.c (process_options): Enable MPX with LSAN and UBSAN.
2154         * tree-chkp.c (chkp_walk_pointer_assignments): Verify that
2155         FIELD != NULL.
2157 2017-03-10  Olivier Hainque  <hainque@adacore.com>
2159         * tree-switch-conversion (array_value_type): Start by resetting
2160         candidate type to it's main variant.
2162 2017-03-10  Jakub Jelinek  <jakub@redhat.com>
2164         PR rtl-optimization/79909
2165         * combine.c (try_combine): Use simplify_replace_rtx on individual
2166         CALL_INSN_FUNCTION_USAGE elements instead of replace_rtx on copy_rtx
2167         of the whole CALL_INSN_FUNCTION_USAGE.
2169         PR tree-optimization/79972
2170         * gimple-ssa-warn-alloca.c (alloca_call_type): Only call
2171         get_range_info on SSA_NAMEs.  Formatting fixes.
2173 2017-03-10  Richard Biener  <rguenther@suse.de>
2174             Jakub Jelinek  <jakub@redhat.com>
2176         PR tree-optimization/77975
2177         * tree-ssa-loop-niter.c (get_base_for): Allow phi argument from latch
2178         edge to be constant.
2179         (get_val_for): For constant x return it.  Formatting fix.
2180         (loop_niter_by_eval): Avoid pointless looping if the next iteration
2181         would use the same bases as the current one.
2183 2017-03-09  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2185         * config/rs6000/rs6000.c (rs6000_gen_le_vsx_permute): Use rotate
2186         instead of vec_select for V1TImode.
2187         * conifg/rs6000/vsx.md (VSX_LE): Remove mode iterator that is no
2188         longer needed.
2189         (VSX_LE_128): Add V1TI to this mode iterator.
2190         (*vsx_le_perm_load_<mode>): Change to use VSX_D mode iterator.
2191         (*vsx_le_perm_store_<mode>): Likewise.
2192         (pre-reload splitter for VSX stores): Likewise.
2193         (post-reload splitter for VSX stores): Likewise.
2194         (*vsx_xxpermdi2_le_<mode>): Likewise.
2195         (*vsx_lxvd2x2_le_<mode>): Likewise.
2196         (*vsx_stxvd2x2_le_<mode>): Likewise.
2198 2017-03-09  Michael Eager  <eager@eagercon.com>
2200         Correct failures with --enable-checking=yes,rtl.
2202         * config/microblaze/microblaze.c (microblaze_expand_shift):
2203         Replace GET_CODE test with CONST_INT_P and INTVAL test with
2204         test for const0_rtx.
2205         * config/microblaze/microblaze.md (ashlsi3_byone, ashrsi3_byone,
2206         lshrsi3_byone): Replace INTVAL with test for const1_rtx.
2208 2017-03-09  Richard Biener  <rguenther@suse.de>
2210         PR tree-optimization/79977
2211         * graphite-scop-detection.c (scop_detection::merge_sese):
2212         Handle the case of extra exits to blocks dominating the entry.
2214 2017-03-09  Toma Tabacu  <toma.tabacu@imgtec.com>
2216         * doc/sourcebuild.texi (Effective-Target Keywords, Other attributes):
2217         Document rdynamic.
2219 2017-03-09  Vladimir Makarov  <vmakarov@redhat.com>
2221         PR rtl-optimization/79949
2222         * lra-constraints.c (process_alt_operands): Check memory when
2223         trying to predict a cycle.  Print about the overall increase.
2225 2017-03-09  Richard Biener  <rguenther@suse.de>
2227         PR middle-end/79971
2228         * gimple-expr.c (useless_type_conversion_p): Preserve
2229         TYPE_SATURATING for fixed-point types.
2231 2017-03-09  Richard Biener  <rguenther@suse.de>
2233         PR ipa/79970
2234         * ipa-prop.c (ipa_modify_formal_parameters): Avoid changing
2235         alignment of BLKmode params.
2237 2017-03-09  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2239         PR target/79913
2240         * config/aarch64/iterators.md (VALL_F16_NO_V2Q): New mode iterator.
2241         (VALL_NO_V2Q): Likewise.
2242         (VDQF_DF): Delete.
2243         * config/aarch64/aarch64-simd.md
2244         (aarch64_dup_lane_<vswap_width_name><mode>): Use VALL_F16_NO_V2Q
2245         iterator.
2246         (*aarch64_simd_vec_copy_lane_<vswap_width_name><mode>): Use
2247         VALL_NO_V2Q mode iterator.
2248         (*aarch64_vgetfmulx<mode>): Use VDQF iterator.
2250 2017-03-09  Martin Liska  <mliska@suse.cz>
2252         PR tree-optimization/79631
2253         * tree-chkp-opt.c (chkp_is_constant_addr): Call
2254         tree_int_cst_sign_bit just for INTEGER constants.
2256 2017-03-09  Martin Liska  <mliska@suse.cz>
2258         PR target/65705
2259         PR target/69804
2260         * toplev.c (process_options): Disable -fcheck-pointer-bounds with
2261         sanitizers.
2263 2017-03-09  Marek Polacek  <polacek@redhat.com>
2265         PR c++/79672
2266         * tree.c (inchash::add_expr): Handle TREE_VEC.
2268 2017-03-09  Martin Liska  <mliska@suse.cz>
2270         PR ipa/79764
2271         (chkp_narrow_size_and_offset): New function.
2272         (chkp_parse_array_and_component_ref): Support BIT_FIELD_REF.
2273         (void chkp_parse_bit_field_ref): New function.
2274         (chkp_make_addressed_object_bounds): Add case for BIT_FIELD_REF.
2275         (chkp_process_stmt): Use chkp_parse_bit_field_ref.
2277 2017-03-09  Martin Liska  <mliska@suse.cz>
2279         PR ipa/79761
2280         * tree-chkp.c (chkp_get_bound_for_parm): Get bounds for a param.
2281         (chkp_find_bounds_1): Remove gcc_unreachable.
2283 2017-03-09  Jakub Jelinek  <jakub@redhat.com>
2285         PR sanitizer/79944
2286         * asan.c (get_mem_refs_of_builtin_call): For BUILT_IN_ATOMIC* and
2287         BUILT_IN_SYNC*, determine the access type from the size suffix and
2288         always build a MEM_REF with that type.  Handle forgotten
2289         BUILT_IN_SYNC_FETCH_AND_NAND_16 and BUILT_IN_SYNC_NAND_AND_FETCH_16.
2291         PR target/79932
2292         * config/i386/avx512vlintrin.h (_mm256_cmpge_epi32_mask,
2293         _mm256_cmpge_epi64_mask, _mm256_cmpge_epu32_mask,
2294         _mm256_cmpge_epu64_mask, _mm256_cmple_epi32_mask,
2295         _mm256_cmple_epi64_mask, _mm256_cmple_epu32_mask,
2296         _mm256_cmple_epu64_mask, _mm256_cmplt_epi32_mask,
2297         _mm256_cmplt_epi64_mask, _mm256_cmplt_epu32_mask,
2298         _mm256_cmplt_epu64_mask, _mm256_cmpneq_epi32_mask,
2299         _mm256_cmpneq_epi64_mask, _mm256_cmpneq_epu32_mask,
2300         _mm256_cmpneq_epu64_mask, _mm256_mask_cmpge_epi32_mask,
2301         _mm256_mask_cmpge_epi64_mask, _mm256_mask_cmpge_epu32_mask,
2302         _mm256_mask_cmpge_epu64_mask, _mm256_mask_cmple_epi32_mask,
2303         _mm256_mask_cmple_epi64_mask, _mm256_mask_cmple_epu32_mask,
2304         _mm256_mask_cmple_epu64_mask, _mm256_mask_cmplt_epi32_mask,
2305         _mm256_mask_cmplt_epi64_mask, _mm256_mask_cmplt_epu32_mask,
2306         _mm256_mask_cmplt_epu64_mask, _mm256_mask_cmpneq_epi32_mask,
2307         _mm256_mask_cmpneq_epi64_mask, _mm256_mask_cmpneq_epu32_mask,
2308         _mm256_mask_cmpneq_epu64_mask, _mm_cmpge_epi32_mask,
2309         _mm_cmpge_epi64_mask, _mm_cmpge_epu32_mask, _mm_cmpge_epu64_mask,
2310         _mm_cmple_epi32_mask, _mm_cmple_epi64_mask, _mm_cmple_epu32_mask,
2311         _mm_cmple_epu64_mask, _mm_cmplt_epi32_mask, _mm_cmplt_epi64_mask,
2312         _mm_cmplt_epu32_mask, _mm_cmplt_epu64_mask, _mm_cmpneq_epi32_mask,
2313         _mm_cmpneq_epi64_mask, _mm_cmpneq_epu32_mask, _mm_cmpneq_epu64_mask,
2314         _mm_mask_cmpge_epi32_mask, _mm_mask_cmpge_epi64_mask,
2315         _mm_mask_cmpge_epu32_mask, _mm_mask_cmpge_epu64_mask,
2316         _mm_mask_cmple_epi32_mask, _mm_mask_cmple_epi64_mask,
2317         _mm_mask_cmple_epu32_mask, _mm_mask_cmple_epu64_mask,
2318         _mm_mask_cmplt_epi32_mask, _mm_mask_cmplt_epi64_mask,
2319         _mm_mask_cmplt_epu32_mask, _mm_mask_cmplt_epu64_mask,
2320         _mm_mask_cmpneq_epi32_mask, _mm_mask_cmpneq_epi64_mask,
2321         _mm_mask_cmpneq_epu32_mask, _mm_mask_cmpneq_epu64_mask): Move
2322         definitions outside of __OPTIMIZE__ guarded section.
2324         PR target/79932
2325         * config/i386/avx512bwintrin.h (_mm512_packs_epi32,
2326         _mm512_maskz_packs_epi32, _mm512_mask_packs_epi32,
2327         _mm512_packus_epi32, _mm512_maskz_packus_epi32,
2328         _mm512_mask_packus_epi32): Move definitions outside of __OPTIMIZE__
2329         guarded section.
2331 2017-03-09  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
2333         * config/s390/vx-builtins.md ("vfee<mode>", "vfeez<mode>")
2334         ("vfenez<mode>"): Add missing constraints.
2336 2017-03-08  Martin Sebor  <msebor@redhat.com>
2338         PR target/79928
2339         * config/nds32/nds32.c (nds32_option_override): 
2341 2017-03-08  Jakub Jelinek  <jakub@redhat.com>
2343         PR c/79940
2344         * gimplify.c (gimplify_omp_for): Replace index var in outer
2345         taskloop statement with an artificial variable and add
2346         OMP_CLAUSE_PRIVATE clause for it.
2348 2017-03-08  Richard Biener  <rguenther@suse.de>
2350         PR tree-optimization/79955
2351         * tree-ssa-uninit.c (warn_uninitialized_vars): Do not warn
2352         for accesses that are completely outside of the variable.
2354 2017-03-08  Andrew Haley  <aph@redhat.com>
2356         PR tree-optimization/79943
2357         * tree-ssa-loop-split.c (compute_new_first_bound): When
2358         calculating the new upper bound, (END-BEG) should be added, not
2359         subtracted.
2361 2017-03-08  Jakub Jelinek  <jakub@redhat.com>
2363         * config/avr/avr.md (setmemhi): Make sure match_dup
2364         operand number comes before match_scratch.
2366 2017-03-08  Richard Biener  <rguenther@suse.de>
2368         PR tree-optimization/79920
2369         * tree-vect-slp.c (vect_create_mask_and_perm): Remove and inline
2370         with ncopies == 1 to ...
2371         (vect_transform_slp_perm_load): ... here.  Properly compute
2372         all element loads by iterating VF times over the group.  Do
2373         not handle ncopies (computed in a broken way) in
2374         vect_create_mask_and_perm.
2376 2017-03-08  Jakub Jelinek  <jakub@redhat.com>
2378         PR sanitizer/79904
2379         * internal-fn.c (expand_vector_ubsan_overflow): If arg0 or arg1
2380         is a uniform vector, use uniform_vector_p return value instead of
2381         building ARRAY_REF on folded VIEW_CONVERT_EXPR to array type.
2383 2017-03-07  Marek Polacek  <polacek@redhat.com>
2385         PR middle-end/79809
2386         * gimple-ssa-warn-alloca.c (pass_walloca::gate): Use HOST_WIDE_INT.
2387         (alloca_call_type): Likewise.
2389 2017-03-07  Martin Liska  <mliska@suse.cz>
2391         * gcov.c (process_args): Put comment to correct location.
2393 2017-03-07  Martin Liska  <mliska@suse.cz>
2395         PR middle-end/68270
2396         * tree-chkp.c (chkp_may_narrow_to_field): Add new argument ref.
2397         Use array_at_struct_end_p instead of DECL_CHAIN (field).
2398         (chkp_narrow_bounds_for_field): Likewise.
2399         (chkp_parse_array_and_component_ref): Pass one more argument to
2400         call.
2402 2017-03-07  Richard Biener  <rguenther@suse.de>
2404         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Preserve
2405         preheaders.
2407 2017-03-07  Segher Boessenkool  <segher@kernel.crashing.org>
2409         * config/i386/i386.c (ix86_local_alignment): Align most aggregates
2410         of 16 bytes and more to 16 bytes, not those of 16 bits and more.
2412 2017-03-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2414         PR c/79855
2415         * params.def (PARAM_STORE_MERGING_ALLOW_UNALIGNED): Add full stop
2416         to end of description.
2417         (PARAM_MAX_STORES_TO_MERGE): Likewise.
2419 2017-03-07  Jakub Jelinek  <jakub@redhat.com>
2421         PR rtl-optimization/79901
2422         * config/i386/sse.md (*avx512bw_<code><mode>3<mask_name>): Renamed to
2423         ...
2424         (*avx512f_<code><mode>3<mask_name>): ... this.
2425         (<code><mode>3 with maxmin code iterator): Use VI8_AVX2_AVX512F
2426         iterator instead of VI8_AVX2_AVX512BW.
2428         PR rtl-optimization/79901
2429         * expr.c (expand_expr_real_2): For vector MIN/MAX, if there is no
2430         min/max expander, expand it using expand_vec_cond_expr.
2432         PR sanitizer/79897
2433         * ubsan.c (ubsan_encode_value): Call mark_addressable on the
2434         temporary.
2436 2017-03-06  Jakub Jelinek  <jakub@redhat.com>
2438         PR c++/79821
2439         * dwarf2out.h (dw_vec_const): Change array type from unsigned char *
2440         to void * for PCH reasons.
2441         * dwarf2out.c (output_loc_operands, output_die): Cast
2442         v.val_vec.array to unsigned char *.
2444 2017-03-06  John David Anglin  <danglin@gcc.gnu.org>
2446         PR target/77850
2447         * config/pa/pa-64.h (PAD_VARARGS_DOWN): Don't pad down complex and
2448         vector types.
2450 2017-03-06  Vladimir Makarov  <vmakarov@redhat.com>
2452         PR rtl-optimization/79571
2453         * lra-constraints.c (process_alt_operands): Calculate static
2454         reject and subtract it from overall when only addresses will be
2455         reloaded.
2457 2017-03-06  Julia Koval  <julia.koval@intel.com>
2459         PR target/79793
2460         * config/i386/i386.c (ix86_minimum_incoming_stack_boundary): Set
2461         incoming stack boundary to 128 for 64-bit targets.
2463 2017-03-06  Richard Biener  <rguenther@suse.de>
2465         PR tree-optimization/79894
2466         * tree-vectorizer.c (vectorize_loops): Set loop_vectorized_call
2467         to NULL after folding it.
2469 2017-03-06  Richard Biener  <rguenther@suse.de>
2471         PR tree-optimization/79824
2472         * tree-vect-stmts.c (get_group_load_store_type): Fix alignment
2473         check disabling peeling for gaps.
2475 2017-03-06  Toma Tabacu  <toma.tabacu@imgtec.com>
2477         * doc/sourcebuild.texi (Effective-Target Keywords, Environment
2478         attributes): Document gettimeofday.
2480 2017-03-06  Robin Dapp  <rdapp@linux.vnet.ibm.com>
2482         * config/s390/s390.c (s390_option_override_internal): Set
2483         PARAM_MIN_VECT_LOOP_BOUND
2485 2017-03-06  Robin Dapp  <rdapp@linux.vnet.ibm.com>
2487         * config/s390/s390.c (s390_asm_output_function_label): Use nopr %r0.
2488         * config/s390/s390.md: Likewise.
2490 2017-03-06  Jakub Jelinek  <jakub@redhat.com>
2492         PR target/79812
2493         * config/i386/sse.md (VI8F_256_512): Remove mode iterator.
2494         (<avx2_avx512>_perm<mode>): Rename to ...
2495         (avx2_perm<mode>): ... this.  Use VI8F_256 iterator instead
2496         of VI8F_256_512.
2497         (<avx512>_perm<mode>_mask): Rename to ...
2498         (avx512vl_perm<mode>_mask): ... this.  Use VI8F_256 iterator instead
2499         of VI8F_256_512.
2500         (<avx2_avx512>_perm<mode>_1<mask_name>): Rename to ...
2501         (avx2_perm<mode>_1<mask_name): ... this.  Use VI8F_256 iterator
2502         instead of VI8F_256_512.
2503         (avx512f_perm<mode>): New define_expand.
2504         (avx512f_perm<mode>_mask): Likewise.
2505         (avx512f_perm<mode>_1<mask_name>): New define_insn.
2506         (<avx512>_vec_dup<mode>_1): Fix up vec_select mode.
2508 2017-03-06  Prachi Godbole  <prachi.godbole@imgtec.com>
2510         * config/mips/mips-msa.md (msa_fmax_a_<msafmt>, msa_fmin_a_<msafmt>,
2511         msa_max_a_<msafmt>, msa_min_a_<msafmt>): Introduce mode interator for
2512         if_then_else.
2513         (smin<mode>3, smax<mode>3): Change operand print code from 'B' to 'E'.
2515 2017-03-06  Martin Liska  <mliska@suse.cz>
2517         PR sanitize/79783
2518         * asan.c (asan_expand_poison_ifn): Do not expand ASAN_POISON
2519         when having a SSA NAME w/o VAR_DECL assigned to it.
2521 2017-03-06  Prachi Godbole  <prachi.godbole@imgtec.com>
2523         * config/mips/mips-msa.md (msa_dotp_<su>_d, msa_dpadd_<su>_d,
2524         msa_dpsub_<su>_d): Fix MODE for vec_select.
2526 2017-03-06  Prachi Godbole  <prachi.godbole@imgtec.com>
2528         * config/mips/mips.c (mips_gen_const_int_vector): Change type of last
2529         argument.
2530         * config/mips/mips-protos.h (mips_gen_const_int_vector): Likewise.
2532 2017-03-06  Richard Biener  <rguenther@suse.de>
2534         * lto-streamer.c (lto_check_version): Use %qs in diagnostics.
2535         * plugin.c (register_plugin_info): Likewise.
2536         * tree-chkp.c (chkp_make_static_const_bounds): Likewise.
2538 2017-03-05  Jakub Jelinek  <jakub@redhat.com>
2540         * config/i386/sse.md (sse_storehps, sse_storelps,
2541         avx_<castmode><avxsizesuffix>_<castmode>,
2542         avx512f_<castmode><avxsizesuffix>_<castmode>,
2543         avx512f_<castmode><avxsizesuffix>_256<castmode>): Require
2544         in condition that at least one operand is not a MEM.
2546 2017-03-03  Jakub Jelinek  <jakub@redhat.com>
2548         PR middle-end/79805
2549         * internal-fn.def (ATOMIC_BIT_TEST_AND_SET, ATOMIC_BIT_TEST_AND_RESET,
2550         ATOMIC_BIT_TEST_AND_COMPLEMENT, ATOMIC_COMPARE_EXCHANGE): Remove
2551         ECF_NOTHROW.
2552         * gimple-fold.c (fold_builtin_atomic_compare_exchange): Set
2553         gimple_call_nothrow_p flag based on whether original builtin can throw.
2554         If it can, emit following stmts on the fallthrough edge.
2555         * tree-ssa-ccp.c (optimize_atomic_bit_test_and): Similarly, except
2556         don't create new bb if inserting just debug stmts on the edge, try to
2557         insert them on the fallthru bb or just reset debug stmts.
2559 2017-03-03  Segher Boesssenkool  <segher@kernel.crashing.org>
2561         PR target/43763
2562         * config/rs6000/rs6000.c (rs6000_final_prescan_insn): Save and
2563         restore recog_data (including the operand rtxes inside it) around
2564         the call to get_insn_template.
2566 2017-03-03  Martin Sebor  <msebor@redhat.com>
2568         PR tree-optimization/79699
2569         * context.c (context::~context): Free MPFR caches to avoid
2570         a memory leak on program exit.
2572 2017-03-03  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2574         * config/aarch64/aarch64.c (aarch64_float_const_representable_p):
2575         Use wide_int::ulow () instead of .elt (0).
2577 2017-03-03  Uros Bizjak  <ubizjak@gmail.com>
2579         * config/i386/i386.md (*pushtf): Change *roF constraint to *roC.
2580         (*pushxf): Limit oF constraint to 32bit targets and add oC
2581         constraint for 64bit targets.
2582         (pushxf splitter): Use PUSH_ROUNDING to calculate stack adjustment.
2583         (*pushdf): Change rmF constraint to rmC.
2585 2017-03-03  Martin Liska  <mliska@suse.cz>
2587         * tree-ssa-loop-prefetch.c (pass_loop_prefetch::execute):
2588         Remove unused variable.
2590 2017-03-03  Jakub Jelinek  <jakub@redhat.com>
2592         PR target/79807
2593         * config/i386/i386.c (ix86_expand_multi_arg_builtin): If target
2594         is a memory operand, increase num_memory.
2595         (ix86_expand_args_builtin): Likewise.
2597 2017-03-03  Jan Hubicka  <jh@suse.cz>
2599         PR lto/79760
2600         * ipa-devirt.c (maybe_record_node): Properly handle
2601         __cxa_pure_virtual visibility.
2603 2017-03-03  Martin Liska  <mliska@suse.cz>
2605         PR tree-optimization/79803
2606         * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Remove
2607         assert.
2608         (pass_loop_prefetch::execute): Disabled optimization if an
2609         assumption about L1 cache size is not met.
2611 2017-03-03  Martin Liska  <mliska@suse.cz>
2613         PR rtl-optimization/79574
2614         * gcse.c (struct gcse_expr): Use HOST_WIDE_INT instead of int.
2615         (hash_scan_set): Likewise.
2616         (dump_hash_table): Likewise.
2617         (hoist_code): Likewise.
2619 2017-03-03  Richard Biener  <rguenther@suse.de>
2621         * fixed-value.c (fixed_from_string): Restore use of elt (1)
2622         in place of uhigh ().
2623         (fixed_convert_from_real): Likewise.
2625 2017-03-03  Uros Bizjak  <ubizjak@gmail.com>
2627         PR target/79514
2628         * config/i386/i386.md (*pushxf_rounded): Use Pmode instead of DImode.
2630 2017-03-03  Richard Biener  <rguenther@suse.de>
2632         PR middle-end/79818
2633         * match.pd ( X +- C1 CMP C2 -> X CMP C2 -+ C1): Add missing
2634         TYPE_OVERFLOW_UNDEFINED check.
2636 2017-03-02  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2638         * config/rs6000/vector.md (vector_ne_<mode>_p): Correct operand
2639         numbers.
2640         (vector_ae_<mode>_p): Likewise.
2641         (vector_nez_<mode>_p): Likewise.
2642         (vector_ne_v2di_p): Likewise.
2643         (vector_ae_v2di_p): Likewise.
2644         (vector_ne_<mode>_p): Likewise.
2645         * config/rs6000/vsx.md (vsx_tsqrt<mode>2_fg): Correct operand
2646         numbers.
2647         (vsx_tsqrt<mode>2_fe): Likewise.
2649 2017-03-02  Uros Bizjak  <ubizjak@gmail.com>
2651         PR target/79514
2652         * config/i386/i386.md (*pushxf_rounded): New insn_and_split pattern.
2654 2017-03-02  Jakub Jelinek  <jakub@redhat.com>
2656         PR rtl-optimization/79780
2657         * cprop.c (one_cprop_pass): When second and further conditional trap
2658         in a single basic block is turned into an unconditional trap, turn it
2659         into a deleted note to avoid RTL verification failures.
2661 2017-03-02  Richard Biener  <rguenther@suse.de>
2663         * fold-const.c (const_binop): Use ulow () instead of elt (0).
2665 2017-03-02  Richard Biener  <rguenther@suse.de>
2667         PR tree-optimization/79345
2668         PR c++/42000
2669         * tree-ssa-alias.c (walk_aliased_vdefs_1): Take a limit
2670         param and abort the walk, returning -1 if it is hit.
2671         (walk_aliased_vdefs): Take a limit param and pass it on.
2672         * tree-ssa-alias.h (walk_aliased_vdefs): Add a limit param,
2673         defaulting to 0 and return a signed int.
2674         * tree-ssa-uninit.c (struct check_defs_data): New struct.
2675         (check_defs): New helper.
2676         (warn_uninitialized_vars): Use walk_aliased_vdefs to warn
2677         about uninitialized memory.
2678         * fixed-value.c (fixed_from_string): Use ulow/uhigh to avoid
2679         bogus uninitialized warning.
2680         (fixed_convert_from_real): Likewise.
2682 2017-03-02  Bin Cheng  <bin.cheng@arm.com>
2684         PR tree-optimization/66768
2685         * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Skip addr
2686         iv_use if base object can't be determined.
2688 2017-03-02  Jakub Jelinek  <jakub@redhat.com>
2690         PR tree-optimization/79345
2691         * gensupport.h (struct pattern_stats): Add min_scratch_opno field.
2692         * gensupport.c (get_pattern_stats_1) <case MATCH_SCRATCH>: Update it.
2693         (get_pattern_stats): Initialize it.
2694         * genemit.c (gen_expand): Verify match_scratch numbers come after
2695         match_operand/match_dup numbers.
2696         * config/i386/i386.md (<s>mul<mode>3_highpart): Swap match_dup and
2697         match_scratch numbers.
2698         * config/i386/sse.md (avx2_gathersi<mode>, avx2_gatherdi<mode>):
2699         Likewise.
2700         * config/s390/s390.md (trunctdsd2): Likewise.
2702 2017-03-02  Richard Biener  <rguenther@suse.de>
2704         * wide-int.h (wide_int_storage::operator=): Implement in terms
2705         of wi::copy.
2707 2017-03-02  Richard Biener  <rguenther@suse.de>
2709         PR tree-optimization/79777
2710         * tree-ssa-pre.c (eliminate_insert): Give up if we simplify
2711         the to insert expression to sth existing.
2713 2017-03-01  Martin Sebor  <msebor@redhat.com>
2715         PR middle-end/79692
2716         * gimple-ssa-sprintf.c
2717         (directive::known_width_and_precision): New function.
2718         (format_integer): Use it.
2719         (get_mpfr_format_length): Consider the full range of precision
2720         when computing %g output with the # flag.  Set the likely byte
2721         count to 3 rather than 1 when precision is indeterminate.
2722         (format_floating): Correct the lower bound of precision.
2724 2017-03-01  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2726         * doc/invoke.texi: Document default code model for 64-bit Linux.
2728 2017-03-01  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
2730         PR target/79752
2731         * config/rs6000/rs6000.md (peephole2 for udiv/umod): Should emit
2732         udiv rather than div since input pattern is unsigned.
2734 2017-03-01  Uros Bizjak  <ubizjak@gmail.com>
2736         * config/i386/i386.c (print_reg): Warn for values of
2737         unsupported size in integer register.
2739 2017-03-01  Michael Meissner  <meissner@linux.vnet.ibm.com>
2741         PR target/79439
2742         * config/rs6000/predicates.md (current_file_function_operand): Do
2743         not allow self calls to be local if the function is replaceable.
2745 2017-03-01  Kelvin Nilsen  <kelvin@gcc.gnu.org>
2747         PR target/79395
2748         * config/rs6000/altivec.h (vec_ctz and others): Change the
2749         preprocessor macro that controls conditional compilation from
2750         _ARCH_PWR9 to __POWER9_VECTOR__.
2751         (vec_all_ne): Change parameterization of __altivec_scalar_pred
2752         macro expansion under preprocessor #ifdef __POWER9_VECTOR__
2753         control (instead of _ARCH_PWR9 control) so that template
2754         definition uses power9-specific function.
2755         (vec_any_eq): Likewise.
2756         (vec_all_ne): Change macro definition to use a power9-specific
2757         expansion under #ifdef __POWER9_VECTOR__ control (instead of
2758         _ARCH_PWR9 control).
2759         (vec_any_eq) Likewise.
2760         * config/rs6000/rs6000-builtin.def (CMPNEF): Remove BU_P9V_AV_2
2761         expansion for CMPNEF to remove support for xvcmpnesp instruction.
2762         (CMPNED): Remove BU_P9V_AV2 expansion for CMPNED to remove
2763         support for xvcmpnedp instruction.
2764         (VCMPNEB_P): Replace BU_P9V_AV_P macro expansion with BU_P9V_AV_2
2765         macro expansion so that Power9 implementation of vec_all_ne does
2766         not use the AltiVec predicate framework.
2767         (VCMPNEH_P): Likewise.
2768         (VCMPNEW_P): Likewise.
2769         (VCMPNED_P): Likewise.
2770         (VCMPNEFP_P): Likewise.
2771         (VCMPNEDP_P): Likewise.
2772         (VCMPAEB_P): Add BU_P9V_AV_2 macro expansion to change
2773         implementation of vec_any_eq to not use AltiVec predicate
2774         framework.
2775         (VCMPAEH_P): Likewise.
2776         (VCMPAEW_P): Likewise.
2777         (VCMPAED_P): Likewise.
2778         (VCMPAEFP_P): Likewise.
2779         (VCMPAEDP_P): Likewise.
2780         (VCMPNE_P): Replace BU_P9V_OVERLOAD_P macro expansion with
2781         BU_P9V_OVERLOAD_2 so that Power9 implementation of vec_all_ne does
2782         not use the AltiVec predicate framework.
2783         (VCMPAE_P): Add BU_P9V_OVERLOAD_2 macro to change implementation
2784         of vec_any_eq to not use AltiVec predicate framework.
2785         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Add
2786         support for predefined __POWER9_VECTOR__ macro to indicate that
2787         Power9 instruction selection is enabled.
2788         (altivec_overloaded_builtins): Remove extraneous
2789         ALTIVEC_BUILTIN_VEC_CMPNE entry for overloaded
2790         function argument types RS6000_BTI_bool_V16QI and
2791         RS6000_BTI_bool_V16QI.  Remove erroneous ALTIVEC_BUILTIN_VEC_CMPNE
2792         entry for overloaded function argument types RS6000_BTI_bool_V4SI
2793         andRS6000_BTI_bool_V4SI, mapping to P9V_BUILTIN_CMPNEB.  Remove
2794         two entries mapping to P9V_BUITIN_CMPNED and one entry mapping to
2795         P9V_BUILTIN_CMPNEF to force use of instructions not specific to
2796         Power9 for implementations of vec_cmpne.  Change the signature for
2797         all definitions of the overloaded P9V_BUILTIN_VEC_CMPNE_P function
2798         (representing vec_all_ne) to remove the previously described first
2799         argument of type RS6000_BTI_INTSI, as this was an artifact of
2800         reliance on the AltiVec predicate framework, which is no longer
2801         used in the implementation of these functions.  Add
2802         P9V_BUILTIN_VEC_VCMPAE_P entries (representing the vec_anyeq
2803         function) to match all of the P9V_BUILTIN_VEC_VCMNE_P entries
2804         since, unlike the AltiVec predicate framework implementation, we
2805         do not share function descriptors between vec_alle and vec_anyeq.
2806         (altivec_resolve_overloaded_builtin): Add SFmode and DFmode to the
2807         set of modes that receive special treatment even when
2808         TARGET_P9_VECTOR is true.  The special treatment emits code that
2809         does not depend on Power9 instructions.
2810         * config/rs6000/vector.md (vector_ne_<mode>_p): Change this
2811         define_expand to not rely on AltiVec predicate framework.
2812         (vector_ae_<mode>p): New define_expand to represent vec_any_eq
2813         function.
2814         (vector_ne_v2di_p): Change this define_expand to not rely on
2815         AltiVec predicate framework.
2816         (vector_ae_v2di_p): New define_expand to represent vec_any_eq
2817         function.
2818         (vector_ne_<mode>_p): Change this define_expand to not rely on
2819         AltiVec predicate framework.
2820         (vector_ae_<mode>p): New define_expand to represent vec_any_eq
2821         function.
2822         * config/rs6000/vsx.md (*vsx_ne_<mode>_p): For modes VSX_EXTRACT_I
2823         (V16QI, V8HI, V4SI), correct a typo in the code emitted for this
2824         define_insn pattern.
2825         (*vsx_ne_<mode>_p): For modes VSX_F (V4SF and V2DF), remove this
2826         define_insn pattern because the xvcmpne<VSs>. instruction is not
2827         supported.
2828         (vcmpne<VSs>): Remove this define_insn because xvcmpne<VSs>
2829         instruction is not supported.
2831 2017-03-01  Jakub Jelinek  <jakub@redhat.com>
2833         * config/nvptx/nvptx.c: Include intl.h.
2835 2017-03-01  Martin Jambor  <mjambor@suse.cz>
2837         PR lto/78140
2838         * ipa-prop.h (ipa_bits): Removed field known.
2839         (ipa_jump_func): Removed field vr_known.  Changed fields bits and m_vr
2840         to pointers.  Adjusted their comments to warn about their sharing.
2841         (ipcp_transformation_summary): Change bits to a vector of pointers.
2842         (ipa_check_create_edge_args): Moved to ipa-prop.c, declare.
2843         (ipa_get_ipa_bits_for_value): Declare.
2844         * tree-vrp.h (value_range): Mark as GTY((for_user)).
2845         * ipa-prop.c (ipa_bit_ggc_hash_traits): New.
2846         (ipa_bits_hash_table): Likewise.
2847         (ipa_vr_ggc_hash_traits): Likewise.
2848         (ipa_vr_hash_table): Likewise.
2849         (ipa_print_node_jump_functions_for_edge): Adjust for bits and m_vr
2850         being pointers and vr_known being removed.
2851         (ipa_set_jf_unknown): Likewise.
2852         (ipa_get_ipa_bits_for_value): New function.
2853         (ipa_set_jfunc_bits): Likewise.
2854         (ipa_get_value_range): New overloaded functions.
2855         (ipa_set_jfunc_vr): Likewise.
2856         (ipa_compute_jump_functions_for_edge): Use the above functions to
2857         construct bits and vr parts of jump functions.
2858         (ipa_check_create_edge_args): Move here from ipa-prop.h, also allocate
2859         ipa_bits_hash_table and ipa_vr_hash_table if they do not already
2860         exist.
2861         (ipcp_grow_transformations_if_necessary): Also allocate
2862         ipa_bits_hash_table and ipa_vr_hash_table if they do not already
2863         exist.
2864         (ipa_node_params_t::duplicate): Do not copy bits, just pointers to
2865         them.  Fix too long lines.
2866         (ipa_write_jump_function): Adjust for bits and m_vr being pointers and
2867         vr_known being removed.
2868         (ipa_read_jump_function): Use new setter functions to construct bits
2869         and vr parts of jump functions or set them to NULL.
2870         (write_ipcp_transformation_info): Adjust for bits being pointers.
2871         (read_ipcp_transformation_info): Likewise.
2872         (ipcp_update_bits): Likewise.  Fix excessively long lines a trailing
2873         space.
2874         Include gt-ipa-prop.h.
2875         * ipa-cp.c (propagate_bits_across_jump_function): Adjust for bits
2876         being pointers.
2877         (ipcp_store_bits_results): Likewise.
2878         (propagate_vr_across_jump_function): Adjust for m_vr being a pointer.
2879         Do not write to existing jump functions but use a temporary instead.
2881 2017-03-01  Jakub Jelinek  <jakub@redhat.com>
2883         PR c++/79681
2884         * fold-const.c (make_bit_field_ref): If orig_inner is COMPONENT_REF,
2885         attempt to use its first operand as BIT_FIELD_REF base.
2887 2017-03-01  Richard Biener  <rguenther@suse.de>
2889         PR middle-end/79721
2890         * tree-chrec.c (chrec_evaluate): Perform computation of Newtons
2891         interpolating formula in wrapping arithmetic.
2892         (chrec_apply): Convert chrec_evaluate return value to wanted type.
2894 2017-03-01  Jakub Jelinek  <jakub@redhat.com>
2896         PR tree-optimization/79734
2897         * tree-vect-generic.c (expand_vector_condition): Optimize
2898         AVX512 vector boolean VEC_COND_EXPRs into bitwise operations.
2899         Handle VEC_COND_EXPR where comparison has different inner width from
2900         type's inner width.
2902 2017-02-28  Sandra Loosemore  <sandra@codesourcery.com>
2904         * doc/invoke.texi (ARC Options): Copy-edit to fix punctuation,
2905         markup, and similar issues.  Remove @opindex entries for things
2906         that aren't options.  Add missing -mmpy-option entries.
2908 2017-02-28  Jakub Jelinek  <jakub@redhat.com>
2910         PR tree-optimization/79737
2911         * gimple-ssa-store-merging.c (encode_tree_to_bitpos): If bitlen is
2912         a multiple of BITS_PER_UNIT and !BYTES_BIG_ENDIAN, clear
2913         tmpbuf[byte_size - 1].  Call natice_encode_expr with byte_size - 1
2914         instead of byte_size.  Formatting fix.
2915         (shift_bytes_in_array_right): Formatting fix.
2917 2017-02-28  Eric Botcazou  <ebotcazou@adacore.com>
2919         PR target/79749
2920         * config/sparc/sparc.c (sparc_frame_pointer_required): Add missing
2921         condition on optimize for the leaf function test.
2923 2017-02-28  Martin Liska  <mliska@suse.cz>
2925         PR lto/79625
2926         * read-rtl-function.c (function_reader::handle_unknown_directive):
2927         Bail out when one uses -flto.
2929 2017-02-28  Martin Liska  <mliska@suse.cz>
2931         * common.opt: Replace space with tabular for options of <number>
2932         type.
2933         * config/i386/i386.opt: Show <number> value for
2934         -mlarge-data-threshold.
2935         * opts.c (print_filtered_help): Do not display number in hexadecimal
2936         format.
2938 2017-02-28  Martin Liska  <mliska@suse.cz>
2940         * common.opt: Fix --help=option -Q for options which are of
2941         an enum type.
2943 2017-02-28  Uros Bizjak  <ubizjak@gmail.com>
2945         * config/i386/i386.c (print_reg): Error out for values
2946         of 8-bit size in invalid integer register.
2948 2017-02-28  Martin Sebor  <msebor@redhat.com>
2950         PR tree-optimization/79691
2951         * passes.def (pass_all_optimizations_g): Enable pass_sprintf_length.
2953 2017-02-28  Jakub Jelinek  <jakub@redhat.com>
2955         PR target/79729
2956         * config/i386/i386.c (ix86_print_operand) <case 'R'>: Replace
2957         gcc_unreachable with output_operand_lossage.
2959 2017-02-28  Richard Biener  <rguenther@suse.de>
2961         PR tree-optimization/79740
2962         * tree-ssa-sccvn.c (vn_nary_op_insert_into): Allow redundant
2963         inserts.
2964         (visit_nary_op): Insert the nary into the hashtable if we
2965         pattern-matched sth.
2966         * tree-ssa-pre.c (eliminate_insert): Robustify.
2968 2017-02-28  Richard Biener  <rguenther@suse.de>
2970         PR middle-end/79731
2971         * fold-const.c (decode_field_reference): Reject out-of-bound
2972         accesses.
2974 2017-02-28  Jakub Jelinek  <jakub@redhat.com>
2976         * config/i386/i386.c: Include intl.h.
2977         (ix86_option_override_internal): Use cond ? G_("...") : G_("...")
2978         instead of just cond ? "..." : "...".
2979         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Likewise.
2980         * coverage.c (read_counts_file): Likewise.
2981         * omp-offload.c: Include intl.h.
2982         (oacc_loop_fixed_partitions): Use cond ? G_("...") : G_("...") instead
2983         of just cond ? "..." : "...".
2984         * gcov.c (read_count_file): Use cond ? N_("...") : N_("...") instead
2985         of just cond ? "..." : "...".
2987 2017-02-28  Richard Earnshaw  <rearnsha@arm.com>
2989         PR target/79742
2990         * config/arm/parsecpu.awk (gen_data): Set tuning target to 'tune for'
2991         entry, if present.
2992         * config/arm/arm-cpus.in (cortex-m0plus.small-multiply): Correct
2993         'tune for' CPU name.
2994         * config/arm/arm-cpu-data.h: Regenerated.
2996 2017-02-28  Richard Biener  <rguenther@suse.de>
2998         PR tree-optimization/79732
2999         * tree-inline.c (expand_call_inline): Do not shadow var.
3001 2017-02-28  Richard Biener  <rguenther@suse.de>
3003         PR tree-optimization/79723
3004         * tree-vect-stmts.c (get_vectype_for_scalar_type_and_size): Preserve
3005         address-space properly.
3007 2017-02-28  Thomas Schwinge  <thomas@codesourcery.com>
3009         * doc/optinfo.texi (Optimization groups): Fix option used for
3010         OPTGROUP_ALL.
3011         * doc/invoke.texi (-fopt-info): Document "omp".
3012         * dumpfile.h: Sort OPTGROUP_OMP before OPTGROUP_VEC.
3013         (OPTGROUP_ALL): Add OPTGROUP_OMP.
3014         * hsa-gen.c (pass_data_gen_hsail): Use OPTGROUP_OMP.
3015         * ipa-hsa.c (pass_data_ipa_hsa): Likewise.
3016         * omp-simd-clone.c (pass_data_omp_simd_clone): Likewise.
3018         * dumpfile.h (OPTGROUP_OPENMP): Rename to OPTGROUP_OMP.  Adjust
3019         all users.
3020         * dumpfile.c (optgroup_options): Instead of "openmp", associate
3021         OPTGROUP_OMP with "omp".
3023 2017-02-27  Pat Haugen  <pthaugen@us.ibm.com>
3025         PR target/79544
3026         * config/rs6000/rs6000-c.c (struct altivec_builtin_types): Use VSRAD
3027         for arithmetic shift of unsigned V2DI.
3029 2017-02-27  Claudiu Zissulescu  <claziss@synopsys.com>
3031         * config.gcc (arc*-): Clean up, use arc/big.h, arc/elf.h, and
3032         arc/linux.h headers.
3033         * config/arc/arc.h (TARGET_OS_CPP_BUILTINS): Remove.
3034         (LINK_SPEC): Likewise.
3035         (ARC_TLS_EXTRA_START_SPEC): Likewise.
3036         (EXTRA_SPECS): Likewise.
3037         (STARTFILE_SPEC): Likewise.
3038         (ENDFILE_SPEC): Likewise.
3039         (LIB_SPEC): Likewise.
3040         (TARGET_SDATA_DEFAULT): Likewise.
3041         (TARGET_MMEDIUM_CALLS_DEFAULT): Likewise.
3042         (MULTILIB_DEFAULTS): Likewise.
3043         (DWARF2_UNWIND_INFO): Likewise.
3044         * config/arc/big.h: New file.
3045         * config/arc/elf.h: Likewise.
3046         * config/arc/linux.h: Likewise.
3047         * config/arc/t-uClibc: Remove.
3049 2017-02-27  Bin Cheng  <bin.cheng@arm.com>
3051         PR tree-optimization/77536
3052         * tree-ssa-loop-manip.c (niter_for_unrolled_loop): New function.
3053         (tree_transform_and_unroll_loop): Use above function to compute the
3054         estimated niter of unrolled loop and use it when scaling profile.
3055         Also use count info rather than frequency if it's non-zero.
3056         * tree-ssa-loop-manip.h niter_for_unrolled_loop(): New declaration.
3057         * tree-vect-loop.c (scale_profile_for_vect_loop): New function.
3058         (vect_transform_loop): Call above function.
3060 2017-02-27  Richard Biener  <rguenther@suse.de>
3062         PR tree-optimization/45397
3063         * tree-ssa-pre.c (eliminate_insert): Handle BIT_AND_EXPR.
3064         * tree-ssa-sccvn.c (valueized_wider_op): New helper.
3065         (visit_nary_op): Add pattern matching for CSEing sign-changed
3066         or truncated operations with wider ones.
3068 2017-02-27  Richard Biener  <rguenther@suse.de>
3070         PR tree-optimization/79690
3071         * tree-vect-stmts.c (vectorizable_store): Use vector type
3072         built from the DR with address-space.
3074 2017-02-26  Gerald Pfeifer  <gerald@pfeifer.com>
3076         * doc/invoke.texi (Optimize Options): Refine the description
3077         of asan-use-after-return.
3079 2017-02-25  Alan Modra  <amodra@gmail.com>
3081         PR rtl-optimization/79584
3082         * lra-constraints.c (base_to_reg): Reload ad->base, the entire
3083         base, not ad->base_term, the reg within base.  Remove assertion
3084         that ad->base == ad->base_term.  Replace gen_int_mode using
3085         bogus mode with const0_rtx.
3087 2017-02-25  Jakub Jelinek  <jakub@redhat.com>
3089         PR middle-end/79396
3090         * tree-eh.c (operation_could_trap_p, stmt_could_throw_1_p): Handle
3091         FMA_EXPR like tcc_binary or tcc_unary.
3093         * tree-ssa-loop-niter.c (number_of_iterations_exit): Simplify warning.
3095         PR debug/77589
3096         * dwarf2out.c (struct dw_loc_list_struct): Add noted_variable_value
3097         bitfield.
3098         (size_of_loc_descr): Handle DW_OP_GNU_variable_value.
3099         (output_loc_operands): Handle DW_OP_call_ref and
3100         DW_OP_GNU_variable_value.
3101         (struct variable_value_struct): New type.
3102         (struct variable_value_hasher): Likewise.
3103         (variable_value_hash): New variable.
3104         (string_types): Remove.
3105         (copy_loc_descr): New function.
3106         (add_loc_descr_to_each): Clarify comment.  Use copy_loc_descr.
3107         (prepend_loc_descr_to_each): New function.
3108         (add_loc_list): Fix comment typo.  Use prepend_loc_descr_to_each
3109         instead of add_loc_descr_to_each if the first argument is single
3110         location list and the second has multiple.
3111         (resolve_args_picking_1): Handle DW_OP_GNU_variable_value.
3112         (loc_list_from_tree_1): For early_dwarf, emit DW_OP_GNU_variable_value
3113         when looking for variable value which doesn't have other location info.
3114         (loc_list_from_tree): Formatting fix.
3115         (gen_array_type_die): Simplify DW_AT_string_length handling.
3116         (adjust_string_types): Remove.
3117         (gen_subprogram_die): Don't call adjust_string_types nor test/set
3118         string_types.  Call resolve_variable_values.
3119         (prune_unused_types_walk_loc_descr): Handle DW_OP_GNU_variable_value.
3120         (resolve_addr_in_expr): Likewise.  Add A argument.
3121         (copy_deref_exprloc): Remove deref argument.  Adjust for the
3122         original expression being DW_OP_GNU_variable_value with optionally
3123         DW_OP_stack_value after it instead of DW_OP_call4 with DW_OP_deref
3124         optionally after it.
3125         (optimize_string_length): Rework for DW_OP_GNU_variable_value.
3126         (resolve_addr): Adjust optimize_string_length and resolve_addr_in_expr
3127         callers.  Set remove_AT_byte_size if removing DW_AT_string_length.
3128         (variable_value_hasher::hash, variable_value_hasher::equal): New
3129         methods.
3130         (resolve_variable_value_in_expr, resolve_variable_value,
3131         resolve_variable_values, note_variable_value_in_expr,
3132         note_variable_value): New functions.
3133         (dwarf2out_early_finish): Call note_variable_value on all toplevel
3134         DIEs.
3136 2017-02-24  Jakub Jelinek  <jakub@redhat.com>
3138         PR c/79677
3139         * opts.h (handle_generated_option): Add GENERATED_P argument.
3140         * opts-common.c (handle_option): Adjust function comment.
3141         (handle_generated_option): Add GENERATED_P argument, pass it to
3142         handle_option.
3143         (control_warning_option): Pass false to handle_generated_option
3144         GENERATED_P.
3145         * opts.c (maybe_default_option): Pass true to handle_generated_option
3146         GENERATED_P.
3147         * optc-gen.awk: Likewise.
3149 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
3151         * config/sh/sh.md (tstsi_t): If operands[0] is a SUBREG instead of
3152         a REG, look at the REG it is a SUBREG of.
3153         (splitter for cmpeqsi_t): Ditto.
3155 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
3157         * config/pa/pa.c (pa_combine_instructions): Do not share RTL.  Make
3158         the special USEs with the pattern of the insn, not the insn itself.
3160 2017-02-24  Matthew Fortune  <matthew.fortune@imgtec.com>
3162         PR target/79473
3163         * doc/invoke.texi: Document -mload-store-pairs.
3165 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
3166             Sandra Loosemore  <sandra@codesourcery.com>
3168         * config/nios2/nios2.c (nios2_simple_const_p): Returns false if the
3169         argument isn't a CONST_INT.
3170         (nios2_alternate_compare_const): Assert op is a CONST_INT.
3171         (nios2_valid_compare_const_p): Assert op is a CONST_INT.
3172         (nios2_validate_compare): Bypass alternate compare logic if *op2
3173         is not a CONST_INT.
3174         (ldstwm_operation_p): Return false if first_base is not a REG or
3175         if first_offset is not a CONST_INT.
3177 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
3179         * config/cris/cris.md: Use correct operand in a define_peephole2.
3181 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
3183         * config/c6x/c6x.c (predicate_insn): Do not incorrectly share RTL.
3185 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
3187         * config/arc/arc.c (arc_ccfsm_advance): Only take the PATTERN of
3188         this_insn if it is an INSN or JUMP_INSN.
3189         (force_offsettable): Look at base, not at addr.
3190         * config/arc/predicates.md (brcc_nolimm_operator): Don't call INTVAL
3191         on things that aren't necessarily CONST_INTs.
3193 2017-02-24  Uros Bizjak  <ubizjak@gmail.com>
3195         * doc/invoke.texi (x86 Options, -mfpmath=sse): Mention that
3196         -mfpmath=sse is the default also for x86-32 targets with SSE2
3197         instruction set when @option{-ffast-math} is enabled
3199 2017-02-24  Jeff Law  <law@redhat.com>
3201         PR rtl-optimizatoin/79286
3202         * ira.c (update_equiv_regs): Drop may_trap_p exception to
3203         dominance test.
3205 2017-02-24  Richard Biener  <rguenther@suse.de>
3207         PR tree-optimization/79389
3208         * gimple-ssa-split-paths.c (is_feasible_trace): Properly skip
3209         debug insns.
3211 2017-02-24  Aldy Hernandez  <aldyh@redhat.com>
3213         * tree-ssa-loop-niter.c (number_of_iterations_exit): Update
3214         function comment to reflect reality.
3215         (loop_exits_before_overflow): Fix typo in function description.
3217 2017-02-24  Richard Biener  <rguenther@suse.de>
3219         PR tree-optimization/79389
3220         * gimple-ssa-split-paths.c (is_feasible_trace): Verify more
3221         properly that a threading opportunity exists.  Detect conditional
3222         copy/constant propagation opportunities.
3224 2017-02-23  Eric Botcazou  <ebotcazou@adacore.com>
3226         * config/visium/visium.md (type): Add trap.
3227         (b): New mode attribute.
3228         (*btst): Rename into...
3229         (*btst<mode>): ...this and adjust.
3230         (*cbranchsi4_btst_insn): Rename into...
3231         (*cbranch<mode>4_btst_insn): ...this and adjust.
3232         (trap): New define_insn.
3234 2017-02-23  Jakub Jelinek  <jakub@redhat.com>
3236         PR tree-optimization/79389
3237         * ifcvt.c (struct noce_if_info): Add rev_cond field.
3238         (noce_reversed_cond_code): New function.
3239         (noce_emit_store_flag): Use rev_cond if non-NULL instead of
3240         reversed_comparison_code.  Formatting fix.
3241         (noce_try_store_flag): Test rev_cond != NULL in addition to
3242         reversed_comparison_code.
3243         (noce_try_store_flag_constants): Likewise.
3244         (noce_try_store_flag_mask): Likewise.
3245         (noce_try_addcc): Use rev_cond if non-NULL instead of
3246         reversed_comparison_code.
3247         (noce_try_cmove_arith): Likewise.  Formatting fixes.
3248         (noce_try_minmax, noce_try_abs): Clear rev_cond.
3249         (noce_find_if_block): Initialize rev_cond.
3250         (find_cond_trap): Call noce_get_condition with then_bb == trap_bb
3251         instead of false as last argument never attempt to reverse it
3252         afterwards.
3254 2017-02-23  Bin Cheng  <bin.cheng@arm.com>
3256         PR tree-optimization/79663
3257         * tree-predcom.c (combine_chains): Process refs in reverse order
3258         only for ZERO length chains, and add explaining comment.
3260 2017-02-23  Jeff Law  <law@redhat.com>
3262         PR tree-optimization/79578
3263         * tree-ssa-dse.c (clear_bytes_written_by): Use OEP_ADDRESS_OF
3264         in call to operand_equal_p.
3266 2017-01-23  Dominique d'Humieres  <dominiq@lps.ens.fr>
3268         PR target/71017
3269         * config/i386/cpuid.h: Fix another undefined behavior.
3271 2017-02-23  Richard Biener  <rguenther@suse.de>
3273         PR tree-optimization/79683
3274         * tree-vect-stmts.c (vect_analyze_stmt): Do not overwrite
3275         vector types for data-refs.
3277 2017-02-23  Martin Liska  <mliska@suse.cz>
3279         * params.def (PARAM_MIN_NONDEBUG_INSN_UID): Change default to 0.
3281 2017-02-23  Jakub Jelinek  <jakub@redhat.com>
3283         PR middle-end/79665
3284         * internal-fn.c (get_range_pos_neg): Moved to ...
3285         * tree.c (get_range_pos_neg): ... here.  No longer static.
3286         * tree.h (get_range_pos_neg): New prototype.
3287         * expr.c (expand_expr_real_2) <case TRUNC_DIV_EXPR>: If both arguments
3288         are known to be in between 0 and signed maximum inclusive, try to
3289         expand both unsigned and signed divmod and use the cheaper one from
3290         those.
3292 2017-02-22  Jeff Law  <law@redhat.com>
3294         PR tree-optimization/79578
3295         * tree-ssa-dse.c (clear_bytes_written_by): Use operand_equal_p
3296         to compare base operands.
3298 2017-02-22  Segher Boessenkool  <segher@kernel.crashing.org>
3300         PR target/79211
3301         * config/rs6000/rs6000.md (*fsel<SFDF:mode><SFDF2:mode>4): Use
3302         gpc_reg_operand instead of fpr_reg_operand.
3304 2017-02-22  Sameera Deshpande  <sameera.deshpande@imgtec.com>
3306         * config/mips/mips.c (mips_return_in_memory): Force FP
3307         vector types to be returned in memory for o32 ABI.
3309 2017-02-22  Jakub Jelinek  <jakub@redhat.com>
3311         * dwarf2out.c (gen_variable_die): For -gdwarf-5, use DW_TAG_variable
3312         instead of DW_TAG_member for static data member declarations and don't
3313         set no_linkage_name for static inline data members.
3314         (gen_member_die): For -gdwarf-5 don't change DW_TAG_variable
3315         to DW_TAG_member.
3317 2017-02-22  Martin Liska  <mliska@suse.cz>
3319         * doc/invoke.texi: Replace inequality signs with square brackets
3320         for -Wnormalized.
3322 2017-02-22  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3324         PR tree-optimization/68644
3325         * gcc.dg/tree-ssa/ivopts-lt-2.c: Skip for powerpc*-*-*.
3327 2017-02-22  Matthew Fortune  <matthew.fortune@imgtec.com>
3329         PR target/78660
3330         * lra-constraints.c (simplify_operand_subreg): Handle
3331         WORD_REGISTER_OPERATIONS targets.
3333 2017-02-22  Jakub Jelinek  <jakub@redhat.com>
3335         PR target/70465
3336         * reg-stack.c (emit_swap_insn): Treat (float_extend:?F (mem:?F))
3337         and (const_double:?F) like (mem:?F) for the purpose of fxch %st(1)
3338         elimination by swapping fld*.
3340 2017-02-22  Richard Biener  <rguenther@suse.de>
3342         PR tree-optimization/79673
3343         * tree-ssa-pre.c (compute_avail): Use wide_int_to_tree to
3344         convert the [TARGET_]MEM_REF offset INTEGER_CST, scrapping off
3345         irrelevant address-space qualifiers and avoiding a
3346         ADDR_SPACE_CONVERT_EXPR from fold_convert.
3348 2017-02-22  Richard Biener  <rguenther@suse.de>
3350         PR tree-optimization/79666
3351         * tree-vrp.c (extract_range_from_binary_expr_1): Make sure
3352         to not symbolically negate if that may introduce undefined
3353         overflow.
3355 2017-02-22  Martin Liska  <mliska@suse.cz>
3357         PR lto/79587
3358         * data-streamer-in.c (streamer_read_gcov_count): Remove assert.
3359         * data-streamer-out.c (streamer_write_gcov_count_stream):
3360         Likewise.
3361         * value-prof.c (stream_out_histogram_value): Make assert more
3362         precise based on type of counter.
3364 2017-02-21  Uros Bizjak  <ubizjak@gmail.com>
3366         PR target/79593
3367         * config/i386/i386.md (standard_x87sse_constant_load splitter):
3368         Use nonimmediate_operand instead of memory_operand for operand 1.
3369         (float-extend standard_x87sse_constant_load splitter): Ditto.
3371 2017-02-21 Jeff Law  <law@redhat.com>
3373         PR tree-optimization/79621
3374         * gimple-ssa-isolate-paths.c (find_implicit_erroneous_behavior): Ignore
3375         blocks with edges to themselves.
3377 2017-02-21  Jakub Jelinek  <jakub@redhat.com>
3379         PR target/79633
3380         * tree-chkp-opt.c (chkp_optimize_string_function_calls): Use
3381         is_gimple_call instead of comparing gimple_code with GIMPLE_CALL.
3382         Use gimple_call_builtin_p.
3384         PR target/79570
3385         * sel-sched.c (moveup_expr_cached): Don't call sel_bb_head
3386         on temporarily removed DEBUG_INSNs.
3388         PR tree-optimization/79649
3389         * tree-loop-distribution.c (classify_partition): Give up on
3390         non-generic address space loads/stores.
3392 2017-02-21  Aldy Hernandez  <aldyh@redhat.com>
3394         * doc/loop.texi (Loop manipulation): Remove nonexistent
3395         tree_ssa_loop_version from the documentation.
3396         * cfgloopmanip.c (loop_version): Document CONDITION_BB argument.
3398 2017-02-21  Jakub Jelinek  <jakub@redhat.com>
3400         PR target/79494
3401         * config/i386/i386.c (ix86_expand_split_stack_prologue): Call
3402         make_reg_eh_region_note_nothrow_nononlocal on call_insn.
3403         * config/rs6000/rs6000.c: Include except.h.
3404         (rs6000_expand_split_stack_prologue): Call
3405         make_reg_eh_region_note_nothrow_nononlocal on the call insn.
3407 2017-02-21  Martin Jambor  <mjambor@suse.cz>
3409         PR lto/79579
3410         * ipa-prop.c (ipa_prop_write_jump_functions): Bail out if no edges
3411         have been analyzed.
3413 2017-02-21  Martin Jambor  <mjambor@suse.cz>
3415         * common.opt (-fipa-cp-alignment): Mark as ignored and preserved
3416         for backward compatibility only.
3417         * doc/invoke.texi (Option Summary): Remove all references to
3418         -fipa-cp-alignment.
3420 2017-02-21  Matthew Fortune  <matthew.fortune@imgtec.com>
3422         PR target/78660
3423         Revert:
3424         2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
3426         * lra-constraints.c (curr_insn_transform): Handle
3427         WORD_REGISTER_OPERATIONS requirements when reloading SUBREGs.
3429 2017-02-21  Martin Liska  <mliska@suse.cz>
3431         * config/i386/i386.opt: Replace -masm-dialect with -masm.
3433 2017-02-21  Thomas Schwinge  <thomas@codesourcery.com>
3435         PR translation/79638
3436         * config/nvptx/nvptx.c (ENTRY_TEMPLATE): Single out "%ntid.y".
3438 2017-02-21  Eric Botcazou  <ebotcazou@adacore.com>
3440         PR ada/67205
3441         * config/arm/arm.c (TARGET_CUSTOM_FUNCTION_DESCRIPTORS): Define.
3442         (arm_function_ok_for_sibcall): Return false for an indirect call by
3443         descriptor if all the argument registers are used.
3444         (arm_relayout_function): Use FUNCTION_ALIGNMENT macro to adjust the
3445         alignment of the function.
3447 2017-02-21  Jakub Jelinek  <jakub@redhat.com>
3449         PR tree-optimization/61441
3450         * simplify-rtx.c (simplify_const_unary_operation): For
3451         -fsignaling-nans and sNaN operand, return NULL_RTX rather than
3452         the sNaN unmodified.
3454 2017-02-20  Bernd Edlinger  <bernd.edlinger@hotmail.de>
3456         * Makefile.in (BUILD_SYSTEM_HEADER_DIR): New make variabe.
3457         (LIMITS_H_TEST, if_multiarch, stmp-fixinc): Use BUILD_SYSTEM_HEADER_DIR
3458         instead of SYSTEM_HEADER_DIR.
3460 2017-02-20  Gerald Pfeifer  <gerald@pfeifer.com>
3461             Martin LiÅ¡ka  <mliska@suse.cz>
3463         * doc/invoke.texi (use-after-scope-direct-emission-threshold):
3464         Fix typos and grammar, use active voice, and clarify.
3466 2017-02-20  Marek Polacek  <polacek@redhat.com>
3468         PR middle-end/79537
3469         * gimplify.c (gimplify_expr): Handle unused *&&L;.
3471         PR sanitizer/79558
3472         * ubsan.c (ubsan_type_descriptor): Check if TYPE_MAX_VALUE is null.
3474 2017-02-20  Jakub Jelinek  <jakub@redhat.com>
3476         PR target/79568
3477         * config/i386/i386.c (ix86_expand_builtin): Handle
3478         OPTION_MASK_ISA_AVX512VL and OPTION_MASK_ISA_64BIT in
3479         ix86_builtins_isa[fcode].isa as a requirement of those
3480         flags and any other flag in the bitmask.
3481         (ix86_init_mmx_sse_builtins): Use 0 instead of
3482         ~OPTION_MASK_ISA_64BIT as mask.
3483         * config/i386/i386-builtin.def (__builtin_ia32_rdtsc,
3484         __builtin_ia32_rdtscp, __builtin_ia32_pause, __builtin_ia32_bsrsi,
3485         __builtin_ia32_rdpmc, __builtin_ia32_rolqi, __builtin_ia32_rolhi,
3486         __builtin_ia32_rorqi, __builtin_ia32_rorhi): Likewise.
3488 2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
3490         PR target/78012
3491         * lra-constraints.c (split_reg): Check requested split mode
3492         is supported by the register.
3494 2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
3496         * lra-constraints.c (simplify_operand_subreg): Remove early
3497         return false.
3499 2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
3501         PR target/78660
3502         * lra-constraints.c (curr_insn_transform): Tighten condition
3503         for converting SUBREG reloads from OP_OUT to OP_INOUT.
3505 2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
3507         PR target/78660
3508         * lra-constraints.c (curr_insn_transform): Handle
3509         WORD_REGISTER_OPERATIONS requirements when reloading SUBREGs.
3511 2017-02-19  Uros Bizjak  <ubizjak@gmail.com>
3513         Revert:
3514         2016-05-30  Uros Bizjak  <ubizjak@gmail.com>
3516         * config/i386/sync.md (mfence_nosse): Use "lock orl $0, -4(%esp)".
3518 2017-02-19  Jonathan Wakely  <jwakely@redhat.com>
3520         PR c++/69523
3521         * doc/invoke.texi (C++ Dialect Options) [-Wliteral-suffix]: Update
3522         description.
3524 2017-02-19  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
3526         * gimple-pretty-print.c (dump_ternary_rhs): Adjust gimple dump format
3527         for FMA_EXPR.
3529 2017-02-18  Jakub Jelinek  <jakub@redhat.com>
3531         * final.c (last_columnnum, override_columnnum): New variables.
3532         (final_start_function): Set last_columnnum, pass it to begin_prologue
3533         hook and pass 0 to dwarf2out_begin_prologue.
3534         (final_scan_insn): Update override_columnnum.  Pass last_columnnum
3535         to source_line debug hook.
3536         (notice_source_line): Compute last_columnnum and for debug_column_info
3537         return true on column changes.
3538         * debug.h (struct gcc_debug_hooks): Add column argument to
3539         source_line and begin_prologue hooks.
3540         (debug_nothing_int_charstar_int_bool): Remove prototype.
3541         (debug_nothing_int_int_charstar,
3542         debug_nothing_int_int_charstar_int_bool): New prototypes.
3543         (dwarf2out_begin_prologue): Add column argument.
3544         * debug.c (do_nothing_debug_hooks): Adjust source_line and
3545         begin_prologue hooks.
3546         (debug_nothing_int_charstar_int_bool): Remove.
3547         (debug_nothing_int_int_charstar,
3548         debug_nothing_int_int_charstar_int_bool): New functions.
3549         * dwarf2out.c (dwarf2out_begin_prologue): Add column argument, pass it
3550         through to dwarf2out_source_line.
3551         (dwarf2_lineno_debug_hooks): Adjust begin_prologue hook.
3552         (dwarf2out_source_line): Add column argument, emit it if requested.
3553         * sdbout.c (sdbout_source_line, sdbout_begin_prologue): Add column
3554         arguments.
3555         * xcoffout.h (xcoffout_begin_prologue, xcoffout_source_line): Likewise.
3556         * xcoffout.c (xcoffout_begin_prologue, xcoffout_source_line): Likewise.
3557         * vmsdbgout.c (vmsdbgout_begin_prologue): Add column argument, pass it
3558         through to dwarf2out_begin_prologue.
3559         (vmsdbgout_source_line): Add column argument, pass it through to
3560         dwarf2out_source_line.
3561         * dbxout.c (dbxout_begin_prologue): Add column argument, adjust
3562         dbxout_source_line caller.
3563         (dbxout_source_line): Add column argument.
3565         * common.opt (gno-column-info, gcolumn-info): New options.
3566         * dwarf2out.c (dwarf2_lineno_debug_hooks): Formatting fix.
3567         (check_die): Also test for multiple DW_AT_decl_column attributes.
3568         (add_src_coords_attributes, dwarf2out_imported_module_or_decl_1): Add
3569         DW_AT_decl_column if requested.
3570         (gen_subprogram_die): Compare and/or add also DW_AT_decl_column
3571         if requested.
3572         (gen_variable_die): Likewise.
3573         (add_call_src_coords_attributes): Add DW_AT_call_column if requested.
3574         * doc/invoke.texi (-gcolumn-info, -gno-column-info): Document.
3576         PR target/79569
3577         * config/i386/i386.opt (m3dnowa): Replace Undocumented with Report.
3578         * common/config/i386/i386-common.c (OPTION_MASK_ISA_3DNOW_A_SET): Define.
3579         (ix86_handle_option): Handle OPT_m3dnowa.
3580         * doc/invoke.texi (-m3dnowa): Document.
3581         * doc/extend.texi (__builtin_ia32_pmulhuw, __builtin_ia32_pf2iw): Use
3582         -m3dnowa instead of -m3dnow -march=athlon.
3584         PR target/79559
3585         * config/i386/i386.c (ix86_print_operand): Use output_operand_lossage
3586         instead of gcc_assert for K, r and R code checks.  Formatting fixes.
3588 2017-02-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3590         PR target/79261
3591         * config/rs6000/rs6000.c (rs6000_expand_ternop_builtin): Add
3592         support for CODE_FOR_vsx_xxpermdi_v2d[fi]_be.
3593         * config/rs6000/rs6000.md (reload_gpr_from_vsx<mode>): Call
3594         generator for vsx_xxpermdi_<mode>_be.
3595         * config/rs6000/vsx.md (vsx_xxpermdi_<mode>): Remove logic to
3596         force big-endian semantics.
3597         (vsx_xxpermdi_<mode>_be): New define_expand with same
3598         implementation as previous version of vsx_xxpermdi_<mode>.
3600 2017-02-17  Jakub Jelinek  <jakub@redhat.com>
3602         PR tree-optimization/79327
3603         * gimple-ssa-sprintf.c (format_integer): Remove likely_adjust
3604         variable, its initialization and use.
3606 2017-02-17  Julia Koval  <julia.koval@intel.com>
3608         * common/config/i386/i386-common.c (OPTION_MASK_ISA_RDPID_SET): New.
3609         (OPTION_MASK_ISA_PKU_UNSET): New.
3610         (ix86_handle_option): Handle -mrdpid.
3611         * config/i386/cpuid.h (bit_RDPID): New.
3612         * config/i386/driver-i386.c (host_detect_local_cpu):
3613         Detect RDPID feature.
3614         * config/i386/i386-builtin.def (__builtin_ia32_rdpid): New.
3615         * config/i386/i386-c.c (ix86_target_macros_internal):
3616         Handle RDPID flag.
3617         * config/i386/i386.c (ix86_target_string): Add -mrdpid to isa2_opts.
3618         (ix86_valid_target_attribute_inner_p): Add "rdpid".
3619         (ix86_expand_builtin): Handle IX86_BUILTIN_RDPID.
3620         * config/i386/i386.h (TARGET_RDPID, TARGET_RDPID_P): New.
3621         * config/i386/i386.md (define_insn "rdpid"): New.
3622         * config/i386/i386.opt Add -mrdpid.
3623         * config/i386/immintrin.h (_rdpid_u32): New.
3625 2017-02-17  Vladimir Makarov  <vmakarov@redhat.com>
3627         PR rtl-optimization/79541
3628         * lra-constraints.c (curr_insn_transform): Remove wrong asm insn
3629         instead of transforming it into USE.
3631 2017-02-17  Segher Boessenkool  <segher@kernel.crashing.org>
3633         * config/rs6000/rs6000.md (extendsfdf2): Remove default arguments.
3634         If HONOR_SNANS (SFmode) force the input to a register.
3635         (*extendsfdf2_fpr): Add !HONOR_SNANS (SFmode) condition.
3636         (*extendsfdf2_snan): New pattern, used when using SNaNs; it generates
3637         an frsp or similar insn.
3639 2017-02-17  Martin Liska  <mliska@suse.cz>
3641         PR rtl-optimization/79577
3642         * params.def (selsched-max-sched-times): Increase minimum to 1.
3644 2017-02-17  Martin Liska  <mliska@suse.cz>
3646         PR rtl-optimization/79574
3647         * gcse.c (want_to_gcse_p): Prevent integer overflow.
3649 2017-02-17  Martin Liska  <mliska@suse.cz>
3651         PR tree-optimization/79529
3652         * tree-ssa-loop-unswitch.c (is_maybe_undefined): Use
3653         ssa_defined_default_def_p to handle cases which are implicitly
3654         defined.
3655         * tree-ssa.c (ssa_defined_default_def_p): New function.
3656         (ssa_undefined_value_p): Use ssa_defined_default_def_p to handle cases
3657         which are implicitly defined.
3658         * tree-ssa.h (ssa_defined_default_def_p): Declare.
3660 2017-02-17  Richard Biener  <rguenther@suse.de>
3662         PR middle-end/79576
3663         * params.def (max-ssa-name-query-depth): Limit to 10.
3665 2017-02-17  Richard Biener  <rguenther@suse.de>
3667         PR tree-optimization/79552
3668         * tree-ssa-structalias.c (visit_loadstore): Properly verify
3669         default defs.
3671 2017-02-17  Richard Biener  <rguenther@suse.de>
3673         PR bootstrap/79567
3674         * genmatch.c (output_line_directive): Handle DIR_SEPARATOR_2.
3676 2017-02-17  Marek Polacek  <polacek@redhat.com>
3678         PR middle-end/79536
3679         * fold-const.c (fold_negate_expr_1): Renamed from fold_negate_expr.
3680         (fold_negate_expr): New wrapper.
3682 2017-02-16  Sandra Loosemore  <sandra@codesourcery.com>
3684         * doc/invoke.texi (C++ Dialect Options) [-Wno-non-template-friend]: 
3685         Correct terminology and de-emphasize pre-standard behavior.
3687 2017-02-16  Alan Modra  <amodra@gmail.com>
3689         PR rtl-optimization/79286
3690         * ira.c (def_dominates_uses): New function.
3691         (update_equiv_regs): Don't create an equivalence for insns that
3692         may trap where the register def does not dominate the use.
3694 2017-02-16  Vladimir Makarov  <vmakarov@redhat.com>
3696         PR rtl-optimization/78127
3697         * lra.c (lra): Call lra_eliminate before finish the loop after
3698         lra_constraint.
3700 2017-02-16  Richard Biener  <rguenther@suse.de>
3702         * graphite.h: Do not include isl/isl_val_gmp.h, instead include
3703         isl/isl_val.h.
3704         * graphite-isl-ast-to-gimple.c (gmp_cst_to_tree): Remove.
3705         (gcc_expression_from_isl_expr_int): Use generic isl_val interface.
3706         * graphite-sese-to-poly.c: Do not include isl/isl_val_gmp.h.
3707         (isl_val_int_from_wi): New function.
3708         (extract_affine_gmp): Rename to ...
3709         (extract_affine_wi): ... this, take a widest_int.
3710         (extract_affine_int): Just wrap extract_affine_wi.
3711         (add_param_constraints): Use isl_val_int_from_wi.
3712         (add_loop_constraints): Likewise, and extract_affine_wi.
3714 2017-02-15 Jeff Law  <law@redhat.com>
3716         PR middle-end/79521
3717         * ira-costs.c (scan_one_insn): Check have_regs_of_mode before calling
3718         ira_init_register_move_cost_if_necessary.
3720 2017-02-15  Martin Sebor  <msebor@redhat.com>
3722         PR middle-end/32003
3723         * doc/invoke.texi (-fdump-final-insns): Replace option accidentally
3724         removed in a prior commit.
3726 2017-02-15  Bin Cheng  <bin.cheng@arm.com>
3728         PR tree-optimization/79347
3729         * tree-vect-loop-manip.c (vect_do_peeling): Maintain profile
3730         counters during peeling.
3732 2017-02-15  Thomas Schwinge  <thomas@codesourcery.com>
3734         * Makefile.in (site.exp): Remove "set ISLVER".
3736 2017-02-15  Jakub Jelinek  <jakub@redhat.com>
3738         PR target/79487
3739         * real.c (real_from_integer): Call real_convert even for decimal.
3741 2017-02-15  Dominik Vogt  <vogt@linux.vnet.ibm.com>
3743         PR target/79421
3744         * config/s390/s390.c: define TARGET_CUSTOM_FUNCTION_DESCRIPTORS.
3746 2017-02-14  Andrew Pinski  <apinski@cavium.com>
3748         * config/aarch64/aarch64-cores.def (thunderx2t99): Move to under 'C"
3749         cores and change the partno/implementer to be correct.
3750         (thunderx2t99p1): New core which replaces thunderx2t99 and still has
3751         the 'B" as the implementer.
3752         * config/aarch64/aarch64-tune.md: Regenerate.
3754 2017-02-14  Carl Love  <cel@us.ibm.com>
3756         * config/rs6000/rs6000.c: Add case statement entry to make the
3757         xvcvuxdsp built-in argument unsigned.
3758         * config/rs6000/vsx.md: Fix the source and return operand types so they
3759         match the instruction definitions from the ISA document.  Fix typo
3760         in the instruction generation for the (define_insn "vsx_xvcvuxdsp"
3761         statement.
3763 2017-02-14  Vladimir Makarov  <vmakarov@redhat.com>
3765         PR target/79282
3766         * lra-int.h (struct lra_operand_data, struct lra_insn_reg): Add
3767         member early_clobber_alts.
3768         * lra-lives.c (reg_early_clobber_p): New.
3769         (process_bb_lives): Use it.
3770         * lra.c (new_insn_reg): New arg early_clobber_alts.  Use it.
3771         (debug_operand_data): Initialize early_clobber_alts.
3772         (setup_operand_alternative): Set up early_clobber_alts.
3773         (collect_non_operand_hard_regs): Ditto.  Pass early clobber
3774         alternatives to new_insn_reg.
3775         (add_regs_to_insn_regno_info): Add arg early_clobber_alts.  Use
3776         it.
3777         (lra_update_insn_regno_info): Pass the new arg.
3779 2017-02-14  Jakub Jelinek  <jakub@redhat.com>
3781         PR middle-end/79505
3782         * omp-offload.c (free_oacc_loop): Release loop->ifns vector.
3783         (new_oacc_loop_raw): Don't clear already cleared fields.
3785         PR target/79481
3786         * config/i386/avx512pfintrin.h (_mm512_prefetch_i32gather_pd,
3787         _mm512_prefetch_i32gather_ps, _mm512_prefetch_i64gather_pd,
3788         _mm512_prefetch_i64gather_ps): New inline functions and macros.
3790 2017-02-14  Uros Bizjak  <ubizjak@gmail.com>
3792         PR target/79495
3793         * config/i386/i386.md (*movxf_internal): Add (o,rC) alternative.
3795 2017-02-14  H.J. Lu  <hongjiu.lu@intel.com>
3797         PR target/79498
3798         * config/i386/i386.c (timode_scalar_chain::convert_insn): Insert
3799         the extra instruction to the right place to store 128-bit constant
3800         when needed.
3802 2017-02-14  Martin Sebor  <msebor@redhat.com>
3804         PR middle-end/79448
3805         * gimple-ssa-sprintf.c (format_directive): Avoid issuing INT_MAX
3806           warning for strings of unknown length.
3808 2017-02-13  Segher Boessenkool  <segher@kernel.crashing.org>
3810         * config.gcc (supported_defaults) [powerpc*-*-*]: Update.
3812 2017-02-14 Jeff Law  <law@redhat.com>
3814         PR target/79404
3815         * ira-costs.c (scan_one_insn): Initialize register move costs
3816         for pseudos seen in USE/CLOBBER insns.
3818         PR tree-optimization/79095
3819         * tree-vrp.c (extract_range_from_binary_expr_1): For EXACT_DIV_EXPR,
3820         if the numerator has the range ~[0,0] make the resultant range ~[0,0].
3821         (extract_range_from_binary_expr): For MINUS_EXPR with no derived range,
3822         if the operands are known to be not equal, then the resulting range
3823         is ~[0,0].
3824         (intersect_ranges): If the new range is ~[0,0] and the old range is
3825         wide, then prefer ~[0,0].
3826         * tree-vrp.c (overflow_comparison_p_1): New function.
3827         (overflow_comparison_p): New function.
3828         * tree-vrp.c (register_edge_assert_for_2): Register additional asserts
3829         if NAME is used in an overflow test.
3830         (vrp_evaluate_conditional_warnv_with_ops): If the ops represent an
3831         overflow check that can be expressed as an equality test, then adjust
3832         ops to be that equality test.
3834 2017-02-14  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
3836         * config/s390/s390-builtin-types.def: Remove flags argument.
3837         * config/s390/s390.c (s390_init_builtins): Likewise.
3839 2017-02-14  Martin Liska  <mliska@suse.cz>
3841         * tree-ssa-loop-unswitch.c (hoist_guard): Release get_loop_body
3842         vector.  Fix trailing white spaces.
3844 2017-02-14  James Greenhalgh  <james.greenhalgh@arm.com>
3846         * config/aarch64/aarch64.c (aarch64_simd_container_mode): Handle
3847         HFmode.
3849 2017-02-14  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3851         PR rtl-optimization/68664
3852         * config/arm/arm.c (arm_sched_can_speculate_insn):
3853         New function.  Declare prototype.
3854         (TARGET_SCHED_CAN_SPECULATE_INSN): Define.
3856 2017-02-14  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3858         PR rtl-optimization/68664
3859         * config/aarch64/aarch64.c (aarch64_sched_can_speculate_insn):
3860         New function.
3861         (TARGET_SCHED_CAN_SPECULATE_INSN): Define.
3863 2017-02-14  Amit Pawar  <amit.pawar@amd.com>
3865         * config/i386/i386.c (znver1_cost): Fix the alignment for function and
3866         max skip bytes for function, loop and jump.
3868 2017-02-14  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
3870         * gimple-pretty-print.c (dump_unary_rhs): Adjust dump format for
3871         ABS_EXPR for gimple dump.
3873 2017-02-14  Jakub Jelinek  <jakub@redhat.com>
3875         PR target/79462
3876         * config/sh/sh.c (expand_cbranchdi4): Don't clear operands[4].
3878         PR tree-optimization/79408
3879         * tree-vrp.c (simplify_div_or_mod_using_ranges): Handle also the
3880         case when on TRUNC_MOD_EXPR op0 is INTEGER_CST.
3881         (simplify_stmt_using_ranges): Call simplify_div_or_mod_using_ranges
3882         also if rhs1 is INTEGER_CST.
3884 2017-02-14  Richard Biener  <rguenther@suse.de>
3886         PR middle-end/79432
3887         * tree-into-ssa.c (insert_phi_nodes): When the function can
3888         have abnormal edges rewrite SSA names with broken use-def
3889         dominance out of SSA and register them for PHI insertion.
3891 2017-02-13  Martin Sebor  <msebor@redhat.com>
3893         PR middle-end/79496
3894         * gimple-ssa-sprintf.c (pass_sprintf_length::handle_gimple_call): Avoid
3895         clearing info.nowrite flag when snprintf size argument is a range.
3897 2017-02-13  Jakub Jelinek  <jakub@redhat.com>
3899         * cprop.c (cprop_jump): Add missing space in string literal.
3900         * tree-ssa-structalias.c (rewrite_constraints): Likewise.
3901         (get_constraint_for_component_ref): Likewise.
3902         * df-core.c (df_worklist_dataflow_doublequeue): Likewise.
3903         * tree-outof-ssa.c (insert_partition_copy_on_edge): Likewise.
3904         * lra-constraints.c (process_alt_operands): Likewise.
3905         * ipa-inline.c (inline_small_functions): Likewise.
3906         * tree-ssa-sccvn.c (visit_reference_op_store): Likewise.
3907         * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Likewise.
3908         * trans-mem.c (diagnose_tm_1_op): Likewise.
3909         * omp-grid.c (grid_find_single_omp_among_assignments): Likewise.
3910         (grid_parallel_clauses_gridifiable): Likewise.
3912         * config/nvptx/mkoffload.c (process): Add space in between
3913         , and %d.
3915         * config/i386/i386.h (REG_CLASS_NAMES): Add , in between
3916         "MOD4_SSE_REGS" and "ALL_REGS".
3918         * spellcheck.c (test_data): Add , in between "foo" and "food".
3920 2017-02-13  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
3922         PR target/79449
3923         * config/rs6000/rs6000.c (expand_block_compare): Make sure runtime
3924         boundary crossing check and subsequent code generation agree.
3926 2017-02-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3928         * config/aarch64/aarch64.c (has_memory_op): Delete.
3929         (aarch64_madd_needs_nop): Use contains_mem_rtx_p instead of
3930         has_memory_op.
3932 2017-02-13  Jakub Jelinek  <jakub@redhat.com>
3934         PR rtl-optimization/79388
3935         PR rtl-optimization/79450
3936         * combine.c (distribute_notes): When removing TEM_INSN for which
3937         corresponding dest has last value recorded, invalidate that last
3938         value.
3940 2017-02-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3942         * config/arm/arm.c (arm_print_tune_info): Use ASM_COMMENT_START instead
3943         of explicit '@'.  Add missing assembly comment marker on branch costs
3944         printout.
3946 2017-02-13  Nathan Sidwell  <nathan@acm.org>
3948         * gengtype-lex.l (<in_struct>): Add '/'.
3950 2017-02-13  Martin Liska  <mliska@suse.cz>
3952         PR c/79471
3953         * calls.c (expand_call): Replace XALLOCAVEC with XCNEWVEC.
3955 2017-02-13  Richard Biener  <rguenther@suse.de>
3957         * configure.ac (HAVE_ISL_OPTIONS_SET_SCHEDULE_SERIALIZE_SCCS):
3958         Remove.
3959         * configure: Re-generate.
3960         * config.in: Likewise.
3961         * graphite-dependences.c: Simplify as if
3962         HAVE_ISL_OPTIONS_SET_SCHEDULE_SERIALIZE_SCCS was defined.
3963         * graphite-isl-ast-to-gimple.c: Likewise.
3964         * graphite-optimize-isl.c: Likewise.
3965         * graphite-poly.c: Likewise.
3966         * graphite-sese-to-poly.c: Likewise.
3967         * graphite.h: Likewise.
3968         * toplev.c: Include isl/version.h and use isl_version () for
3969         printing the ISL version.
3970         * doc/install.texi: Update ISL requirement.
3972 2017-02-12  Gerald Pfeifer  <gerald@pfeifer.com>
3974         * doc/standards.texi (Standards): Update reference to
3975         Objective-C 2.0.
3977 2017-02-12  Gerald Pfeifer  <gerald@pfeifer.com>
3978         
3979         * doc/extend.texi (Named Address Spaces): sourceware.org now
3980         defaults to https.
3981         * doc/install.texi (Binaries): Ditto.
3982         (Specific): Ditto.
3984 2017-02-11  Sandra Loosemore  <sandra@codesourcery.com>
3986         * doc/cpp.texi: Replace "stringify"/"stringification" with C 
3987         standard terminology "stringize"/"stringizing" throughout.
3988         * doc/cppinternals.texi: Likewise.
3990 2017-02-11  Sandra Loosemore  <sandra@codesourcery.com>
3992         * doc/extend.texi: Fix some spelling mistakes and typos.
3993         * doc/invoke.texi: Likewise.
3995 2017-02-11  Jan Hubicka  <hubicka@ucw.cz>
3997         PR ipa/79224
3998         * params.def (inline-min-speedup) Change from 10 to 8.
4000 2017-02-11  Jakub Jelinek  <jakub@redhat.com>
4002         * doc/invoke.texi (fopenmp): Bump OpenMP version from 4.0 to
4003         4.5.
4005 2017-02-11  Jan Hubicka  <hubicka@ucw.cz>
4007         PR ipa/79224
4008         * ipa-inline-analysis.c (get_minimal_bb): New function.
4009         (record_modified): Use it.
4010         (remap_edge_change_prob): Handle also ancestor functions.
4012 2017-02-11  Gerald Pfeifer  <gerald@pfeifer.com>
4014         * doc/contrib.texi (Contributors): Remove broken link into
4015         the Mauve CVS repository.
4017 2017-02-11  Jakub Jelinek  <jakub@redhat.com>
4019         PR middle-end/79454
4020         * internal-fn.c (expand_vector_ubsan_overflow): Use piece-wise
4021         result computation whenever lhs doesn't have vector mode, not
4022         just when it has BLKmode.
4024 2017-02-10  Gerald Pfeifer  <gerald@pfeifer.com>
4026         * doc/makefile.texi (profiledbootstrap): Refer to the
4027         installation instructions only in textual form.
4029 2017-02-10  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
4031         PR target/79295
4032         * config/rs6000/altivec.md (bcd<bcd_add_sub>): Fix constraints.
4034 2017-02-10  Gerald Pfeifer  <gerald@pfeifer.com>
4036         * doc/install.texi (Specific): Use https for blackfin.uclinux.org.
4037         (Specific): Update mingw-w64 reference.
4038         (Binaries): Ditto.
4039         (Specific): Remove broken link to Renesas RX processor.
4041 2017-02-10  Richard Biener  <rguenther@suse.de>
4043         * toplev.c (process_options): Do not mention obsolete graphite
4044         options when printing sorry message about missing graphite support.
4045         Mention -floop-nest-optimize.
4047 2017-02-10  Christophe Lyon  <christophe.lyon@linaro.org>
4049         * config/aarch64/arm_neon.h (vtst_p8): Rewrite without asm.
4050         (vtst_p16): Likewise.
4051         (vtstq_p8): Likewise.
4052         (vtstq_p16): Likewise.
4053         (vtst_p64): New.
4054         (vtstq_p64): Likewise.
4055         * config/arm/arm_neon.h (vgetq_lane_p64): New.
4056         (vset_lane_p64): New.
4057         (vsetq_lane_p64): New.
4059 2017-02-10  Jakub Jelinek  <jakub@redhat.com>
4061         PR tree-optimization/79411
4062         * tree-ssa-reassoc.c (is_reassociable_op): Return false if
4063         stmt operands are SSA_NAMEs used in abnormal phis.
4064         (can_reassociate_p): Return false if op is SSA_NAME used in abnormal
4065         phis.
4067 2017-02-09  Jan Hubicka  <hubicka@ucw.cz>
4069         PR ipa/70795
4070         * cgraphunit.c (cgraph_node::add_new_function): Set externally_visible
4071         flag if needed.
4073 2017-02-09  Jan Hubicka  <hubicka@ucw.cz>
4075         * tree-ssa-loop-unswitch.c (hoist_guard): Update profile.
4077 2017-02-09  Jakub Jelinek  <jakub@redhat.com>
4079         * omp-offload.c (oacc_loop_auto_partitions): Use || instead of |
4080         to avoid warning.
4082         PR c/79413
4083         * gimplify.h (is_gimple_sizepos): Only test for INTEGER_CST constants,
4084         not arbitrary TREE_CONSTANT.
4086         PR c/79431
4087         * gimplify.c (gimplify_adjust_omp_clauses): Ignore
4088         "omp declare target link" attribute unless is_global_var.
4089         * omp-offload.c (find_link_var_op): Likewise.
4091 2017-02-09  Nathan Sidwell  <nathan@codesourcery.com>
4092             Chung-Lin Tang  <cltang@codesourcery.com>
4094         * gimplify.c (gimplify_scan_omp_clauses): No special handling for
4095         OMP_CLAUSE_TILE.
4096         (gimplify_adjust_omp_clauses): Don't delete TILE.
4097         (gimplify_omp_for): Deal with TILE.
4098         * internal-fn.c (expand_GOACC_TILE): New function.
4099         * internal-fn.def (GOACC_DIM_POS): Comment may be overly conservative.
4100         (GOACC_TILE): New.
4101         * omp-expand.c (struct oacc_collapse): Add tile and outer fields.
4102         (expand_oacc_collapse_init): Add LOC paramter.  Initialize tile
4103         element fields.
4104         (expand_oacc_collapse_vars): Add INNER parm, adjust for tiling,
4105         avoid DIV for outermost collapse var.
4106         (expand_oacc_for): Insert tile element loop as needed.  Adjust.
4107         Remove out of date comments, fix whitespace.
4108         * omp-general.c (omp_extract_for_data): Deal with tiling.
4109         * omp-general.h (enum oacc_loop_flags): Add OLF_TILE flag,
4110         adjust OLF_DIM_BASE value.
4111         (struct omp_for_data): Add tiling field.
4112         * omp-low.c (scan_sharing_clauses): Allow OMP_CLAUSE_TILE.
4113         (lower_oacc_head_mark): Add OLF_TILE as appropriate.  Ensure 2 levels
4114         for auto loops.  Remove default auto determining, moved to
4115         oacc_loop_fixed_partitions.
4116         * omp-offload.c (struct oacc_loop): Change 'ifns' to vector of call
4117         stmts, add e_mask field.
4118         (oacc_dim_call): New function, abstracted out from oacc_thread_numbers.
4119         (oacc_thread_numbers): Use oacc_dim_call.
4120         (oacc_xform_tile): New.
4121         (new_oacc_loop_raw): Initialize e_mask, adjust for ifns vector.
4122         (finish_oacc_loop): Adjust for ifns vector.
4123         (oacc_loop_discover_walk): Append loop abstraction sites to list,
4124         add case for GOACC_TILE fns.
4125         (oacc_loop_xform_loop): Delete.
4126         (oacc_loop_process): Iterate over call list directly, and add
4127         handling for GOACC_TILE fns.
4128         (oacc_loop_fixed_partitions): Determine default auto, deal with TILE,
4129         dump partitioning.
4130         (oacc_loop_auto_partitions): Add outer_assign parm. Assign all but
4131         vector partitioning to outer loops.  Assign 2 partitions to loops
4132         when available. Add TILE handling.
4133         (oacc_loop_partition): Adjust oacc_loop_auto_partitions call.
4134         (execite_oacc_device_lower): Process GOACC_TILE fns, ignore unknown specs.
4135         * tree-nested.c (convert_nonlocal_omp_clauses): Allow OMP_CLAUSE_TILE.
4136         * tree.c (omp_clause_num_ops): Adjust TILE ops.
4137         * tree.h (OMP_CLAUSE_TILE_ITERVAR, OMP_CLAUSE_TILE_COUNT): New.
4139 2017-02-09  Gerald Pfeifer  <gerald@pfeifer.com>
4141         * configure.ac (ACX_BUGURL): Update.
4142         * configure: Regenerate.
4144 2017-02-09  Richard Biener  <rguenther@suse.de>
4146         PR tree-optimization/69823
4147         * graphite-scop-detection.c (scop_detection::harmful_loop_in_region):
4148         Properly enumerate all BBs in the region.  Use auto_vec/auto_bitmap.
4150 2017-02-09  Andrew Burgess  <andrew.burgess@embecosm.com>
4152         * config/arc/arc-c.def: Add __NPS400__ definition.
4153         * config/arc/arc.h (CPP_SPEC): Don't define __NPS400__ here.
4154         (TARGET_NPS400): Define.
4156 2017-02-09  Andrew Burgess  <andrew.burgess@embecosm.com>
4158         * config/arc/arc-arch.h (arc_arch_t): Move unchanged to earlier in
4159         file.
4160         (arc_cpu_t): Change base_architecture field, arch, to a arc_arc_t
4161         pointer, arch_info.
4162         (arc_cpu_types): Fill the arch_info field with a pointer into the
4163         arc_arch_types table.
4164         (arc_selected_cpu): Declare.
4165         * config/arc/arc.c (arc_selected_cpu): Make global.
4166         (arc_selected_arch): Delete.
4167         (arc_base_cpu): Delete.
4168         (arc_override_options): Remove references to deleted variables,
4169         update access to arch information.
4170         (ARC_OPT): Update access to arch information.
4171         (ARC_OPTX): Likewise.
4172         * config/arc/arc.h (arc_base_cpu): Remove declaration.
4173         (TARGET_ARC600): Update access to arch information.
4174         (TARGET_ARC601): Likewise.
4175         (TARGET_ARC700): Likewise.
4176         (TARGET_EM): Likewise.
4177         (TARGET_HS): Likewise.
4178         * config/arc/driver-arc.c (arc_cpu_to_as): Update access to arch
4179         information.
4181 2017-02-08  Pat Haugen  <pthaugen@us.ibm.com>
4183         PR target/78604
4184         * config/rs6000/rs6000.c (rs6000_emit_vector_cond_expr): Invert
4185         condition/operands for integer GE/LE/GEU/LEU operations.
4187 2017-02-08  Segher Boessenkool  <segher@kernel.crashing.org>
4189         PR translation/79397
4190         * config/rs6000/rs6000.opt (maltivec=le, maltivec=be): Fix spelling
4191         of AltiVec.
4193 2017-02-08  Martin Jambor  <mjambor@suse.cz>
4195         PR ipa/79375
4196         * ipa-prop.c (ipa_alloc_node_params): Make static, return bool
4197         whether allocation happened.
4198         (ipa_initialize_node_params): Do not call ipa_alloc_node_params if
4199         nothing was allocated.
4201 2017-02-08  Jakub Jelinek  <jakub@redhat.com>
4203         PR tree-optimization/79408
4204         * tree-vrp.c (simplify_div_or_mod_using_ranges): If op1 is not
4205         constant, but SSA_NAME with a known integer range, use the minimum
4206         of that range instead of op1 to determine if modulo can be replaced
4207         with its first operand.
4209 2016-02-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4211         * config/riscv/riscv.c (riscv_build_integer_1): Avoid use of INT16_MAX.
4213 2017-02-08  Richard Biener  <rguenther@suse.de>
4215         PR tree-optimization/71824
4216         * graphite-scop-detection.c (scop_detection::build_scop_breadth):
4217         Check all loops contained in the merged region.
4219 2017-02-07  Andrew Pinski  <apinski@cavium.com>
4221         * config/aarch64/aarch64.md (popcount<mode>2): New pattern.
4223 2017-02-07  Andrew Pinski  <apinski@cavium.com>
4225         * config/aarch64/aarch64-cores.def (thunderx): Disable LSE.
4226         (thunderxt88): Likewise.
4227         (thunderxt81): Disable LSE and change v8.1 to v8.
4228         (thunderxt83): Likewise.
4230 2017-02-07  Jakub Jelinek  <jakub@redhat.com>
4231             Richard Biener  <rguenther@suse.de>
4233         PR middle-end/79399
4234         * ira-int.h (struct target_ira_int): Change x_max_struct_costs_size
4235         type from int to size_t.
4236         * ira-costs.c (struct_costs_size): Change type from int to size_t.
4238 2017-02-07  Jakub Jelinek  <jakub@redhat.com>
4240         PR rtl-optimization/79386
4241         * cprop.c (bypass_conditional_jumps): Initialize
4242         bypass_last_basic_block already before splitting bbs after
4243         unconditional traps...
4244         (bypass_conditional_jumps): ... rather than here.
4246         PR target/79299
4247         * config/i386/sse.md (xtg_mode, gatherq_mode): New mode attrs.
4248         (*avx512f_gathersi<mode>, *avx512f_gathersi<mode>_2,
4249         *avx512f_gatherdi<mode>, *avx512f_gatherdi<mode>_2): Use them,
4250         fix -masm=intel patterns.
4252 2017-02-07  Richard Biener  <rguenther@suse.de>
4254         PR tree-optimization/79256
4255         PR middle-end/79278
4256         * builtins.c (get_object_alignment_2): Use min_align_of_type
4257         to extract alignment for MEM_REFs to honor BIGGEST_FIELD_ALIGNMENT
4258         and ADJUST_FIELD_ALIGN.
4260         * doc/tm.texi.in (ADJUST_FIELD_ALIGN): Adjust to take additional
4261         type parameter.
4262         * doc/tm.texi: Regenerate.
4263         * stor-layout.c (layout_decl): Adjust.
4264         (update_alignment_for_field): Likewise.
4265         (place_field): Likewise.
4266         (min_align_of_type): Likewise.
4267         * config/arc/arc.h (ADJUST_FIELD_ALIGN): Adjust.
4268         * config/epiphany/epiphany.h (ADJUST_FIELD_ALIGN): Likewise.
4269         * config/epiphany/epiphany.c (epiphany_adjust_field_align): Likewise.
4270         * config/frv/frv.h (ADJUST_FIELD_ALIGN): Likewise.
4271         * config/frv/frv.c (frv_adjust_field_align): Likewise.
4272         * config/i386/i386.h (ADJUST_FIELD_ALIGN): Likewise.
4273         * config/i386/i386.c (x86_field_alignment): Likewise.
4274         * config/rs6000/aix.h (ADJUST_FIELD_ALIGN): Likewise.
4275         * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Likewise.
4276         * config/rs6000/freebsd64.h (ADJUST_FIELD_ALIGN): Likewise.
4277         * config/rs6000/linux64.h (ADJUST_FIELD_ALIGN): Likewise.
4278         * config/rs6000/sysv4.h (ADJUST_FIELD_ALIGN): Likewise.
4279         * config/rs6000/rs6000.c (rs6000_special_adjust_field_align_p):
4280          Likewise.
4282         Revert
4283         2017-01-30  Richard Biener  <rguenther@suse.de>
4285         PR tree-optimization/79256
4286         * targhooks.c (default_builtin_vector_alignment_reachable): Honor
4287         BIGGEST_FIELD_ALIGNMENT and ADJUST_FIELD_ALIGN to fix up bogus
4288         alignment on TYPE.
4290 2017-02-07  Toma Tabacu  <toma.tabacu@imgtec.com>
4292         * config/mips/mips.c (mips_expand_builtin_insn): Convert the QImode
4293         argument of the pshufh, psllh, psllw, psrah, psraw, psrlh, psrlw
4294         builtins to SImode and emit a zero-extend, if necessary.
4296 2017-02-06  Palmer Dabbelt  <palmer@dabbelt.com>
4298         * docs/invoke.texi (RISC-V Options): Alphabetize.
4300 2017-02-06  Palmer Dabbelt  <palmer@dabbelt.com>
4302         * doc/invoke.texi (RISC-V Options): Use two spaces to separate
4303         options.
4305 2017-02-06  Palmer Dabbelt  <palmer@dabbelt.com>
4307         * config/riscv/riscv.c: New file.
4308         * gcc/common/config/riscv/riscv-common.c: Likewise.
4309         * config.gcc: Likewise.
4310         * config/riscv/constraints.md: Likewise.
4311         * config/riscv/elf.h: Likewise.
4312         * config/riscv/generic.md: Likewise.
4313         * config/riscv/linux.h: Likewise.
4314         * config/riscv/multilib-generator: Likewise.
4315         * config/riscv/peephole.md: Likewise.
4316         * config/riscv/pic.md: Likewise.
4317         * config/riscv/predicates.md: Likewise.
4318         * config/riscv/riscv-builtins.c: Likewise.
4319         * config/riscv/riscv-c.c: Likewise.
4320         * config/riscv/riscv-ftypes.def: Likewise.
4321         * config/riscv/riscv-modes.def: Likewise.
4322         * config/riscv/riscv-opts.h: Likewise.
4323         * config/riscv/riscv-protos.h: Likewise.
4324         * config/riscv/riscv.h: Likewise.
4325         * config/riscv/riscv.md: Likewise.
4326         * config/riscv/riscv.opt: Likewise.
4327         * config/riscv/sync.md: Likewise.
4328         * config/riscv/t-elf-multilib: Likewise.
4329         * config/riscv/t-linux: Likewise.
4330         * config/riscv/t-linux-multilib: Likewise.
4331         * config/riscv/t-riscv: Likewise.
4332         * configure.ac: Likewise.
4333         * doc/contrib.texi: Add Kito Cheng, Palmer Dabbelt, and Andrew
4334         Waterman as RISC-V maintainers.
4335         * doc/install.texi: Add RISC-V entries.
4336         * doc/invoke.texi: Add RISC-V options section.
4337         * doc/md.texi: Add RISC-V constraints section.
4338         * configure: Regenerated.
4340 2017-02-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
4342         PR target/66144
4343         * config/rs6000/vector.md (vcond<mode><mode>): Allow the true and
4344         false values to be constant vectors with all 0 or all 1 bits set.
4345         (vcondu<mode><mode>): Likewise.
4346         * config/rs6000/predicates.md (vector_int_reg_or_same_bit): New
4347         predicate.
4348         (fpmask_comparison_operator): Update comment.
4349         (vecint_comparison_operator): New predicate.
4350         * config/rs6000/rs6000.c (rs6000_emit_vector_cond_expr): Optimize
4351         vector conditionals when the true and false values are constant
4352         vectors with all 0 bits or all 1 bits set.
4354 2017-02-06  Martin Sebor  <msebor@redhat.com>
4356         PR  tree-optimization/79376
4357         * gimple-fold.c (get_range_strlen): Set the minimum length to zero.
4359 2017-02-06  Uros Bizjak  <ubizjak@gmail.com>
4361         * config/i386/sse.md (vector modes -> vec_extract* splitter): Use
4362         explicit subreg RTX with operand 1.  Use VECTOR_MODE_P predicate
4363         to simplify split condition.
4365 2017-02-06  Jakub Jelinek  <jakub@redhat.com>
4367         * omp-expand.c (oxpand_omp_atomic_fetch_op,
4368         expand_omp_atomic_pipeline): Return false if can_atomic_load_p is
4369         false.
4371 2017-02-06  Segher Boessenkool  <segher@kernel.crashing.org>
4373         PR rtl-optimization/68664
4374         * target.def (can_speculate_insn): New hook.
4375         * doc/tm.texi.in (TARGET_SCHED_CAN_SPECULATE_INSN): New hook.
4376         * doc/tm.texi: Regenerate.
4377         * sched-rgn.c (can_schedule_ready_p): Use the new hook.
4378         * config/rs6000/rs6000.c (TARGET_SCHED_CAN_SPECULATE_INSN): New macro.
4379         (rs6000_sched_can_speculate_insn): New function.
4381 2017-02-06  Jakub Jelinek  <jakub@redhat.com>
4383         PR tree-optimization/79284
4384         * tree-vectorizer.h (VECT_SCALAR_BOOLEAN_TYPE_P): Define.
4385         * tree-vect-stmts.c (vect_get_vec_def_for_operand,
4386         vectorizable_mask_load_store, vectorizable_operation,
4387         vect_is_simple_cond, get_same_sized_vectype): Use it instead
4388         of comparing TREE_CODE of a type against BOOLEAN_TYPE.
4389         * tree-vect-patterns.c (check_bool_pattern, search_type_for_mask_1,
4390         vect_recog_bool_pattern, vect_recog_mask_conversion_pattern): Likewise.
4391         * tree-vect-slp.c (vect_get_constant_vectors): Likewise.
4392         * tree-vect-loop.c (vect_determine_vectorization_factor): Likewise.
4393         Remove redundant gimple_code (stmt) == GIMPLE_ASSIGN test after
4394         is_gimple_assign (stmt).  Replace another such test with
4395         is_gimple_assign (stmt).
4397 2017-02-06  Georg-Johann Lay  <avr@gjlay.de>
4399         PR target/78883
4400         * config/avr/avr.c (rtl-iter.h): Include it.
4401         (TARGET_LEGITIMATE_COMBINED_INSN): New hook define...
4402         (avr_legitimate_combined_insn): ...and implementation.
4404 2017-02-06  Dominik Vogt  <vogt@linux.vnet.ibm.com>
4406         * config/s390/predicates.md ("larl_operand"): Use macros from hwint.h.
4407         * config/s390/s390.c (s390_const_operand_ok)
4408         (s390_canonicalize_comparison, s390_extract_part)
4409         (s390_single_part, s390_contiguous_bitmask_nowrap_p)
4410         (s390_contiguous_bitmask_p, s390_rtx_costs)
4411         (legitimize_pic_address): Likewise.
4412         * config/s390/s390.md ("clzdi2", "clztidi2"): Likewise.
4413         * config/s390/vx-builtins.md ("vec_genbytemaskv16qi")
4414         ("vec_permi<mode>", "vfae<mode>", "*vfaes<mode>", "vstrc<mode>")
4415         ("*vstrcs<mode>"): Use UINTVAL() to set unsigned HOST_WIDE_INT.
4416         * config/s390/vector.md ("vec_vfenes<mode>"): Likewise.
4418 2017-02-06  Georg-Johann Lay  <avr@gjlay.de>
4420         * config/avr/avr.md (*addhi3_zero_extend): Add alternative where
4421         REGNO($0) == REGNO($1).
4423 2017-02-06  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4425         * config/s390/linux.h(SIZE_TYPE): Add comment.
4427 2017-02-06  Julian Brown  <julian@codesourcery.com>
4428             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
4429             Virendra Pathak  <virendra.pathak@broadcom.com>
4431         * config/aarch64/aarch64-cores.def: Change the scheduler
4432         to Thunderx2t99.
4433         * config/aarch64/aarch64.md: Include thunderx2t99.md.
4434         * config/aarch64/thunderx2t99.md: New file.
4436 2017-02-05  Gerald Pfeifer  <gerald@pfeifer.com>
4438         * doc/standards.texi (Go Language): Update link to language
4439         standard.
4441 2017-02-05  Jan Hubicka  <hubicka@ucw.cz>
4443         * tree-eh.c (lower_resx): Sanitize profile.
4444         (cleanup_empty_eh_move_lp): Likewise.
4446 2017-02-05  Jan Hubicka  <hubicka@ucw.cz>
4448         PR tree-ssa/79347
4449         * cfgloopmanip.c (lv_adjust_loop_entry_edge, loop_version): Add
4450         ELSE_PROB.
4451         * cfgloopmanip.h (loop_version): Update prototype.
4452         * modulo-sched.c (sms_schedule): Update call of loop_version.
4453         * tree-if-conv.c(version_loop_for_if_conversion): Likewise.
4454         * tree-parloops.c (gen_parallel_loop): Likewise.
4455         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Likewise.
4456         * tree-ssa-loop-split.c (split_loop): Likewise.
4457         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Likewise.
4458         * tree-vect-loop-manip.c (vect_loop_versioning): Likewise.
4460 2017-02-05  Martin Liska  <mliska@suse.cz>
4462         PR bootstrap/78985
4463         * config/s390/s390.c (s390_gimplify_va_arg): Initialize local
4464         variable to NULL.
4465         (print_operand_address): Initialize a struct to zero.
4467 2017-02-05  Gerald Pfeifer  <gerald@pfeifer.com>
4469         * doc/contrib.texi (Contributors): Refer to Hans Boehm's
4470         garbage collector only in textual form.
4472 2017-02-05  Gerald Pfeifer  <gerald@pfeifer.com>
4473         
4474         * doc/extend.texi (x86 specific memory model extensions for
4475         transactional memory): Simplify a phrase.
4477 2017-02-05  Eric Botcazou  <ebotcazou@adacore.com>
4479         PR target/79353
4480         * config/sparc/sync.md (atomic_loaddi_1): Replace 'U' constraint with
4481         'r', 'm' constraint with 'T' and !TARGET_ARCH64 with TARGET_ARCH32.
4482         (atomic_storedi_1): Likewise.
4484 2017-02-04  Jakub Jelinek  <jakub@redhat.com>
4486         PR tree-optimization/79338
4487         * tree-parloops.c (gather_scalar_reductions): Don't call
4488         vect_analyze_loop_form for loop->inner before destroying loop's
4489         loop_vinfo.
4491 2017-02-03  Martin Sebor  <msebor@redhat.com>
4493         PR tree-optimization/79327
4494         * gimple-ssa-sprintf.c (tree_digits): Avoid adding the base prefix
4495         when precision has resulted in leading zeros.
4496         (format_integer): Adjust the likely counter to assume an unknown
4497         argument that may be zero is non-zero.
4499 2017-02-03  Jason Merrill  <jason@redhat.com>
4501         PR c++/78689
4502         * tree-inline.c (copy_tree_body_r) [COND_EXPR]: Revert change to
4503         avoid copying non-taken branch.
4505 2017-02-03  Jakub Jelinek  <jakub@redhat.com>
4507         PR tree-optimization/79340
4508         * tree-vect-loop.c (vectorizable_reduction): Release
4509         vec_defs elements after safe_splicing them into other vectors.
4510         Formatting fixes.
4512         PR tree-optimization/79327
4513         * gimple-ssa-sprintf.c (adjust_range_for_overflow): If returning
4514         true, always set *argmin and *argmax to TYPE_{MIN,MAX}_VALUE of
4515         dirtype.
4516         (format_integer): Use wide_int_to_tree instead of build_int_cst
4517         + to_?hwi.  If argmin is NULL, just set argmin and argmax to
4518         TYPE_{MIN,MAX}_VALUE of argtype.  Simplify and fix computation
4519         of shortest and longest sequence.
4521 2017-02-03  Uros Bizjak  <ubizjak@gmail.com>
4523         * config/i386/i386.c (dimode_scalar_chain::convert_reg):
4524         Use pextrd for TARGET_SSE4_1 when creating scalar copy.
4526 2017-02-03  Walter Lee  <walt@tilera.com>
4528         PR target/78862
4529         * config/tilegx/tilegx.md (tilegx_expand_prologue): Add blockage
4530         after initial stackframe link reg save.
4531         * config/tilepro/tilepro.md (tilepro_expand_prologue): Likewise.
4533 2017-02-03  Jakub Jelinek  <jakub@redhat.com>
4535         PR target/79354
4536         * config/rs6000/rs6000.md (movsi_from_sf): Use wb constraint instead of
4537         wu for stxssp alternative.
4539 2017-02-03  Martin Sebor  <msebor@redhat.com>
4541         PR tree-optimization/79352
4542         * gimple-fold.c (get_range_strlen): Add argument.
4543         (get_range_strlen): Change return type to bool.
4544         (get_maxval_strlen): Pass in a dummy argument.
4545         * gimple-fold.h (get_range_strlen): Change return type to bool.
4546         * gimple-ssa-sprintf.c (get_string_length): Set unlikely counter.
4547         * tree.h (array_at_struct_end_p): Add argument.
4548         * tree.c (array_at_struct_end_p): Handle it.
4550 2017-02-03  Martin Liska  <mliska@suse.cz>
4552         PR lto/66295
4553         * multiple_target.c (create_dispatcher_calls): Redirect edge
4554         from a caller of a dispatcher.
4555         (expand_target_clones): Make the clones local.
4556         (ipa_target_clone): Do both target clones and resolvers.
4557         (ipa_dispatcher_calls): Remove the pass.
4558         (pass_dispatcher_calls::gate): Likewise.
4559         (make_pass_dispatcher_calls): Likewise.
4560         * passes.def (pass_target_clone): Put as very first IPA early
4561         pass.
4563 2017-02-03  Martin Liska  <mliska@suse.cz>
4565         * symtab.c (symtab_node::binds_to_current_def_p): Bail out
4566         in case of a function with ifunc attribute.
4568 2017-02-03  Martin Liska  <mliska@suse.cz>
4570         * cgraph.c (cgraph_node::dump): Dump function version info.
4571         * symtab.c (symtab_node::dump_base): Add missing new line.
4573 2017-02-02  Jan Hubicka  <hubicka@ucw.cz>
4575         * tree-ssa-ifcombine.c (update_profile_after_ifcombine): New function.
4576         (ifcombine_ifandif): Use it.
4578 2017-02-03  Martin Liska  <mliska@suse.cz>
4580         * doc/invoke.texi: Document default value for
4581         use-after-scope-direct-emission-threshold.
4583 2017-02-03  Martin Liska  <mliska@suse.cz>
4585         PR tree-optimization/79339
4586         * gimple-ssa-sprintf.c (format_floating_max): Call mpfr_clear.
4587         (format_floating): Likewise.
4589 2017-02-03  Martin Liska  <mliska@suse.cz>
4591         PR ipa/79337
4592         * ipa-prop.c (ipa_node_params_t::insert): Remove current
4593         implementation.
4594         (ipa_node_params_t::remove): Likewise.
4595         * ipa-prop.h (ipa_node_params::ipa_node_params): Make default
4596         initialization from removed ipa_node_params_t::insert.
4597         (ipa_node_params::~ipa_node_params): Move from removed
4598         ipa_node_params_t::release.
4599         * symbol-summary.h (symbol_summary::m_released): New member.
4600         Do not release a summary twice.  Do not allow to call finalizer
4601         for types of a summary that live in GGC memory.
4603 2017-02-02  Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
4605         * config/aarch64/aarch64.c (thunderx2t99_tunings): Enable AES and
4606         cmp_branch fusion.
4608 2017-02-02  Martin Sebor  <msebor@redhat.com>
4610         PR middle-end/79275
4611         * gimple-ssa-sprintf.c (get_string_length): Set lower bound to zero.
4612         (format_string): Tighten up the range of output for non-constant
4613         strings and correct the expected range for wide non-constant strings.
4615 2017-02-02  Martin Sebor  <msebor@redhat.com>
4617         * doc/invoke.texi (-maccumulate-args): Fix bad grammar.
4619         PR middle-end/32003
4620         * doc/invoke.texi (-fdump-tree-): Remove pass-specific options from
4621         index.
4622         (-fdump-tree-@var): Add to index and document how to come up
4623         with pass-specific option and dump file names.
4624         (-fdump-passes): Clarify where to look for output.
4626 2017-02-02  Jan Hubicka  <hubicka@ucw.cz>
4628         PR middle-end/77445
4629         * tree-ssa-threadbackward.c (profitable_jump_thread_path): Dump
4630         statistics of the analyzed path; allow threading for speed when
4631         any of BBs along the path are optimized for speed.
4633 2017-02-02  Eric Botcazou  <ebotcazou@adacore.com>
4635         PR middle-end/78468
4636         * emit-rtl.c (init_emit): Add ??? comment for problematic alignment
4637         settings of the virtual registers.
4639         Revert again
4640         2016-08-23  Dominik Vogt  <vogt@linux.vnet.ibm.com>
4642         * explow.c (get_dynamic_stack_size): Take known alignment of stack
4643         pointer + STACK_DYNAMIC_OFFSET into account when calculating the size
4644         needed.
4646 2017-02-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4648         * config/s390/vx-builtins.md ("vec_ceil", "vec_floor")
4649         ("vec_trunc", "vec_roundc", "vec_round"): Remove expanders.
4651 2017-02-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4653         * config/s390/s390.md: Add missing comments with the expanded
4654         mnemonics.
4655         * config/s390/vector.md: Likewise.
4656         * config/s390/vx-builtins.md: Likewise.
4658 2017-02-02  Jakub Jelinek  <jakub@redhat.com>
4660         PR target/79197
4661         * config/rs6000/rs6000.md (*fixuns_trunc<mode>di2_fctiduz): Rename to ...
4662         (fixuns_trunc<mode>di2): ... this, remove previous expander.  Put all
4663         conditions on a single line.
4665 2017-02-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4667         * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Rename
4668         __S390_VX__ to __VX__.
4670 2017-02-01  Andrew Pinski  <apinski@cavium.com>
4672         * tree-vect-loop.c (vect_compute_single_scalar_iteration_cost): Pass
4673         stmt_info to record_stmt_cost.
4674         (vect_get_known_peeling_cost): Pass stmt_info if known to
4675         record_stmt_cost.
4676         * config/aarch64/aarch64-protos.h (cpu_vector_cost): Split
4677         cpu_vector_cost field into
4678         scalar_int_stmt_cost and scalar_fp_stmt_cost.  Split vec_stmt_cost
4679         field into vec_int_stmt_cost and vec_fp_stmt_cost.
4680         * config/aarch64/aarch64.c (generic_vector_cost): Update for the
4681         splitting of scalar_stmt_cost and vec_stmt_cost.
4682         (thunderx_vector_cost): Likewise.
4683         (cortexa57_vector_cost): LIkewise.
4684         (exynosm1_vector_cost): Likewise.
4685         (xgene1_vector_cost): Likewise.
4686         (thunderx2t99_vector_cost): Improve after the splitting of the two
4687         fields.
4688         (aarch64_builtin_vectorization_cost): Update for the splitting of
4689         scalar_stmt_cost and vec_stmt_cost.
4691 2017-02-01  Torvald Riegel  <triegel@redhat.com>
4692             Richard Henderson  <rth@redhat.com>
4694         * builtins.c (fold_builtin_atomic_always_lock_free): Make "lock-free"
4695         conditional on existance of a fast atomic load.
4696         * optabs-query.c (can_atomic_load_p): New function.
4697         * optabs-query.h (can_atomic_load_p): Declare it.
4698         * optabs.c (expand_atomic_exchange): Always delegate to libatomic if
4699         no fast atomic load is available for the particular size of access.
4700         (expand_atomic_compare_and_swap): Likewise.
4701         (expand_atomic_load): Likewise.
4702         (expand_atomic_store): Likewise.
4703         (expand_atomic_fetch_op): Likewise.
4704         * testsuite/lib/target-supports.exp
4705         (check_effective_target_sync_int_128): Remove x86 because it provides
4706         no fast atomic load.
4707         (check_effective_target_sync_int_128_runtime): Likewise.
4709 2017-02-01  Richard Biener  <rguenther@suse.de>
4711         * graphite.c: Include tree-vectorizer.h for find_loop_location.
4712         (graphite_transform_loops): Provide opt-info for optimized nests.
4713         * tree-parloop.c (parallelize_loops): Provide opt-info for
4714         parallelized loops.
4716 2017-02-01  Richard Biener  <rguenther@suse.de>
4718         PR middle-end/79315
4719         * tree-cfg.c (move_stmt_op): Never set TREE_BLOCK when it
4720         was not set before.
4722 2017-02-01  Richard Biener  <rguenther@suse.de>
4724         PR tree-optimization/71824
4725         * graphite-scop-detection.c (scop_detection::build_scop_breadth):
4726         Verify the loops are valid in the merged SESE region.
4727         (scop_detection::can_represent_loop_1): Check analyzing the
4728         evolution of the number of iterations in the region succeeds.
4730 2017-01-31  Ian Lance Taylor  <iant@golang.org>
4732         * config/i386/i386.c (ix86_expand_split_stack_prologue): Add
4733         REG_ARGS_SIZE note to 32-bit push insns and call insn.
4735 2017-01-31  David Malcolm  <dmalcolm@redhat.com>
4737         PR preprocessor/79210
4738         * input.c (get_substring_ranges_for_loc): Replace line_width
4739         assertion with error-handling.
4741 2017-01-31  Richard Biener  <rguenther@suse.de>
4743         PR tree-optimization/77318
4744         * graphite-sese-to-poly.c (extract_affine): Fix assert.
4745         (create_pw_aff_from_tree): Take loop parameter.
4746         (add_condition_to_pbb): Pass loop of the condition to
4747         create_pw_aff_from_tree.
4749 2017-01-31  Jakub Jelinek  <jakub@redhat.com>
4751         * config/s390/s390.c (s390_asan_shadow_offset): New function.
4752         (TARGET_ASAN_SHADOW_OFFSET): Redefine.
4754 2017-01-31  Michael Meissner  <meissner@linux.vnet.ibm.com>
4756         PR target/78597
4757         PR target/79038
4758         * config/rs6000/rs6000-protos.h (convert_float128_to_int): Delete,
4759         no longer used.
4760         (convert_int_to_float128): Likewise.
4761         * config/rs6000/rs6000.c (convert_float128_to_int): Likewise.
4762         (convert_int_to_float128): Likewise.
4763         * config/rs6000/rs6000.md (UNSPEC_IEEE128_MOVE): Likewise.
4764         (UNSPEC_IEEE128_CONVERT): Likewise.
4765         (floatsi<mode>2, FLOAT128 iterator): Bypass calling
4766         rs6000_expand_float128_convert if we have IEEE 128-bit hardware.
4767         Use local variables for IBM extended format.
4768         (fix_trunc<mode>si2, FLOAT128 iterator): Likewise.
4769         (fix_trunc<mode>si2_fprs): Likewise.
4770         (fixuns_trunc<IEEE128:mode><SDI:mode>2): Likewise.
4771         (floatuns<IEEE128:mode>2, IEEE128 iterator): Likewise.
4772         (fix<uns>_<mode>si2_hw): Rework the IEEE 128-bt hardware support
4773         to know that we can now have integers of all sizes in vector
4774         registers.
4775         (fix<uns>_<mode>di2_hw): Likewise.
4776         (float<uns>_<mode>si2_hw): Likewise.
4777         (fix_<mode>si2_hw): Likewise.
4778         (fixuns_<mode>si2_hw): Likewise.
4779         (float<uns>_<mode>di2_hw): Likewise.
4780         (float_<mode>di2_hw): Likewise.
4781         (float_<mode>si2_hw): Likewise.
4782         (floatuns_<mode>di2_hw): Likewise.
4783         (floatuns_<mode>si2_hw): Likewise.
4784         (xscvqp<su>wz_<mode>): Delete, no longer used.
4785         (xscvqp<su>dz_<mode>): Likewise.
4786         (xscv<su>dqp_<mode>): Likewise.
4787         (ieee128_mfvsrd_64bit): Likewise.
4788         (ieee128_mfvsrd_32bit): Likewise.
4789         (ieee128_mfvsrwz): Likewise.
4790         (ieee128_mtvsrw): Likewise.
4791         (ieee128_mtvsrd_64bit): Likewise.
4792         (ieee128_mtvsrd_32bit): Likewise.
4794 2017-01-31  Martin Liska  <mliska@suse.cz>
4796         PR ipa/79285
4797         * ipa-prop.c (ipa_free_all_node_params): Call release method
4798         instead of ~sumbol_summary to not to trigger double times
4799         dtor of hash_map.
4801 2017-01-31  Aldy Hernandez  <aldyh@redhat.com>
4803         PR tree-optimization/71691
4804         * bitmap.h (class auto_bitmap): New.
4805         * tree-ssa-loop-unswitch.c (tree_may_unswitch_on): Call
4806         is_maybe_undefined instead of ssa_undefined_value_p.
4808 2017-01-31  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4810         * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Rename
4811         __S390_ARCH_LEVEL__ to __ARCH__.
4813 2017-01-31  Jakub Jelinek  <jakub@redhat.com>
4815         PR tree-optimization/79267
4816         * value-prof.c (gimple_ic): Only drop lhs for noreturn calls
4817         if should_remove_lhs_p is true.
4819 2017-01-30  Alexandre Oliva <aoliva@redhat.com>
4821         PR debug/63238
4822         * dwarf2out.c (clone_as_declaration): Drop DW_AT_alignment.
4823         (add_alignment_attribute): New.
4824         (base_type_die): Add alignment attribute.
4825         (subrange_type_die): Likewise.
4826         (modified_type_die): Likewise.
4827         (gen_array_type_die): Likewise.
4828         (gen_descr_array_type_die: Likewise.
4829         (gen_enumeration_type_die): Likewise.
4830         (gen_subprogram_die): Likewise.
4831         (gen_variable_die): Likewise.
4832         (gen_field_die): Likewise.
4833         (gen_ptr_to_mbr_type_die): Likewise.
4834         (gen_struct_or_union_type_die): Likewise.
4835         (gen_subroutine_type_die): Likewise.
4836         (gen_typedef_die): Likewise.
4837         (base_type_cmp): Compare alignment attribute.
4839 2017-01-30  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
4841         PR target/79170
4842         * config/rs6000/altivec.md (*setb_internal): Rename to setb_signed.
4843         (setb_unsigned) New pattern for setb with CCUNS.
4844         * config/rs6000/rs6000.c (expand_block_compare): Use a different
4845         subfc./subfe sequence to avoid overflow problems.  Generate a
4846         shorter sequence with cmpld/setb for power9.
4847         * config/rs6000/rs6000.md (subf<mode>3_carry_dot2): Add a new pattern
4848         for generating subfc. instruction.
4849         (cmpstrsi): Add TARGET_POPCNTD predicate as the generate sequence
4850         now uses this instruction.
4852 2017-01-30  Ian Lance Taylor  <iant@google.com>
4854         PR debug/79289
4855         * dwarf2out.c (gen_type_die_with_usage): When picking a variant
4856         for FUNCTION_TYPE/METHOD_TYPE, use the first matching one.
4858 2017-01-30  Martin Sebor  <msebor@redhat.com>
4860         * gimple-ssa-sprintf.c (fmtresult::adjust_for_width_or_precision):
4861         Move constant to the right of a relational operator.
4862         (get_mpfr_format_length, format_character, format_string): Ditto.
4863         (should_warn_p, maybe_warn): Same.
4865         * doc/invoke.texi (-Wformat-truncation=1): Fix typo.
4867 2017-01-30  Maxim Ostapenko  <m.ostapenko@samsung.com>
4869         PR lto/79061
4870         * asan.c (get_translation_unit_decl): Remove function.
4871         (asan_add_global): Force has_dynamic_init to zero in LTO mode.
4873 2017-01-30  Martin Liska  <mliska@suse.cz>
4875         PR gcov-profile/79259
4876         * opts.c (common_handle_option): Enable flag_ipa_bit_cp w/
4877         -fprofile-generate.
4879 2017-01-30  Martin Liska  <mliska@suse.cz>
4881         PR bootstrap/78985
4882         * config/aarch64/cortex-a57-fma-steering.c (func_fma_steering::analyze):
4883         Initialize variables with NULL value.
4885 2017-01-30  Richard Earnshaw  <rearnsh@arm.com>
4887         PR target/79260
4888         * config.gcc (arm*-*-*): Add arm/arm-flags.h and arm/arm-isa.h to
4889         tm_p_file.
4890         * arm/arm-protos.h: Don't directly include arm-flags.h and arm-isa.h.
4892 2017-01-30  Richard Biener  <rguenther@suse.de>
4894         PR tree-optimization/79276
4895         * tree-vrp.c (process_assert_insertions): Properly adjust common
4896         when removing a duplicate.
4898         * gcc.dg/torture/pr79276.c: New testcase.
4900 2017-01-30  Richard Biener  <rguenther@suse.de>
4902         PR tree-optimization/79256
4903         * targhooks.c (default_builtin_vector_alignment_reachable): Honor
4904         BIGGEST_FIELD_ALIGNMENT and ADJUST_FIELD_ALIGN to fix up bogus
4905         alignment on TYPE.
4906         * tree.c (build_aligned_type): Set TYPE_USER_ALIGN.
4908 2017-01-30  Dominik Vogt  <vogt@linux.vnet.ibm.com>
4910         PR target/79240
4911         * config/s390/s390.md ("*r<noxa>sbg_<mode>_srl_bitmask")
4912         ("*r<noxa>sbg_<mode>_sll_bitmask")
4913         ("*extzv_<mode>_srl<clobbercc_or_nocc>")
4914         ("*extzv_<mode>_sll<clobbercc_or_nocc>"):
4915         Use contiguous_bitmask_nowrap_operand.
4917 2017-01-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4919         PR target/79268
4920         * config/rs6000/altivec.h (vec_xl): Revise #define.
4921         (vec_xst): Likewise.
4923 2017-01-27  Uros Bizjak  <ubizjak@gmail.com>
4925         * config/i386/i386.c (print_reg): Use REGNO instead of true_regnum.
4927 2017-01-27  Bernd Schmidt  <bschmidt@redhat.com>
4929         PR rtl-optimization/79194
4930         * cprop.c (one_cprop_pass): Move deletion of code after unconditional
4931         traps before call to bypass_conditional_jumps.
4933 2017-01-27  Vladimir Makarov  <vmakarov@redhat.com>
4935         PR tree-optimization/71374
4936         * lra-constraints.c (check_conflict_input_operands): New.
4937         (match_reload): Use it.
4939 2017-01-27  Vladimir Makarov  <vmakarov@redhat.com>
4941         PR target/79131
4942         * lra-assigns.c (find_hard_regno_for_1): Take endianess for into
4943         account to calculate conflict_set.
4945 2017-01-27  Bin Cheng  <bin.cheng@arm.com>
4947         PR rtl-optimization/78559
4948         * combine.c (try_combine): Discard REG_EQUAL and REG_EQUIV for
4949         other_insn in combine.
4951 2017-01-27  Pekka Jääskeläinen  <pekka.jaaskelainen@parmance.com>
4953         * builtin-types.def: Use unsigned_char_type_node for BT_UINT8.  Use
4954         uint16_type_node for BT_UINT16.
4956 2017-01-27  David Malcolm  <dmalcolm@redhat.com>
4958         * doc/sourcebuild.texi (Testsuites): Add "GIMPLE Tests" and
4959         "RTL Tests" to menu.
4960         (GIMPLE Tests): New node.
4961         (RTL Tests): New node.
4963 2017-01-27  Richard Biener  <rguenther@suse.de>
4965         PR tree-optimization/79245
4966         * tree-loop-distribution.c (distribute_loop): Apply cost
4967         modeling also to detected patterns.
4969 2017-01-27  Richard Biener  <rguenther@suse.de>
4971         PR tree-optimization/71433
4972         * tree-vrp.c (register_new_assert_for): Revert earlier changes.
4973         (compare_assert_loc): New function.
4974         (process_assert_insertions): Sort and optimize assert locations
4975         to remove duplicates and push down identical assertions on
4976         edges to their destination block.
4978 2017-01-27  Richard Biener  <rguenther@suse.de>
4980         PR tree-optimization/79244
4981         * tree-vrp.c (remove_range_assertions): Forcefully propagate
4982         out SSA names even if abnormal.
4984 2017-01-27  Jakub Jelinek  <jakub@redhat.com>
4986         * realmpfr.h: Poison MPFR_RND{N,Z,U,D}.
4987         * gimple-ssa-sprintf.c (format_floating_max): Use GMP_RNDN
4988         instead of MPFR_RNDN.
4990 2017-01-27  Richard Earnshaw  <rearnsha@arm.com>
4992         PR target/79239
4993         * arm.c (arm_option_override): Don't call build_target_option_node
4994         until after doing all option overrides.
4995         (arm_valid_target_attribute_tree): Likewise.
4997 2017-01-27  Martin Liska  <mliska@suse.cz>
4999         * doc/invoke.texi (-fprofile-arcs): Document profiling support
5000         for {cd}tors and C++ {cd}tors.
5002 2017-01-27  Dominik Vogt  <vogt@linux.vnet.ibm.com>
5004         * config/s390/s390.md ("*setmem_long_and")
5005         ("*setmem_long_and_31z"): Use zero_extend instead of and.
5007 2017-01-26  Martin Sebor  <msebor@redhat.com>
5009         * gimple-ssa-sprintf.c (format_floating): Simplify the computation
5010         of precision.
5012 2017-01-26  Martin Sebor  <msebor@redhat.com>
5014         * gimple-ssa-sprintf.c (format_floating): Test HAVE_XFmode and
5015         HAVE_DFmode before using XFmode or DFmode.
5016         (parse_directive): Avoid using the z length modifier to avoid
5017         the ISO C++98 does not support the â€˜z’ gnu_printf length modifier.
5019         PR middle-end/78703
5020         * gimple-ssa-sprintf.c (adjust_for_width_or_precision): Change
5021         to accept adjustment as an array.
5022         (get_int_range): New function.
5023         (struct directive): Make width and prec arrays.
5024         (directive::set_width, directive::set_precision): Call get_int_range.
5025         (format_integer, format_floating): Handle width and precision ranges.
5026         (format_string, parse_directive): Same.
5028 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
5030         PR debug/79129
5031         * dwarf2out.c (generate_skeleton_bottom_up): For children with
5032         comdat_type_p set, just clone them, but keep the children in the
5033         original DIE.
5035         PR debug/78835
5036         * dwarf2out.c (prune_unused_types): Mark all functions with DIEs
5037         which have direct callers with -fvar-tracking-assignments enabled
5038         in the current TU.
5039         (resolve_addr): Avoid adding skeleton DIEs for DW_AT_call_origin
5040         inside of type units.
5042 2017-01-26  Martin Sebor  <msebor@redhat.com>
5044         PR middle-end/78703
5045         * gimple-ssa-sprintf.c (struct result_range): Add likely and
5046         unlikely counters.
5047         (struct format_result): Replace number_chars, number_chars_min,
5048         and number_chars_max with a single member of struct result_range.
5049         Remove bounded.
5050         (format_result::operator+=): Adjust.
5051         (struct fmtresult): Remove bounded.  Handle likely and unlikely
5052         counters.
5053         (fmtresult::adjust_for_width_or_precision): New function.
5054         (fmtresult:type_max_digits): New function.
5055         (bytes_remaining): Handle likely and unlikely counters.
5056         (min_bytes_remaining): Remove.
5057         (format_percent): Simplify.
5058         (format_integer, format_floating): Set likely and unlikely counters.
5059         (get_string_length, format_character, format_string): Same.
5060         (format_plain, should_warn_p): New function.
5061         (maybe_warn): Call should_warn_p.  Update diagnostic messages
5062         and handle those for all directives, including plain strings.
5063         (format_directive): Handle likely and unlikely counters.
5064         Remove unnecessary quoting from diagnostics.  Add an informational
5065         note.
5066         (add_bytes): Remove.
5067         (pass_sprintf_length::compute_format_length): Simplify.
5068         (try_substitute_return_value): Handle likely and unlikely counters.
5070 2017-01-26  Carl Love  <cel@us.ibm.com>
5072         * config/rs6000/rs6000-c (altivec_overloaded_builtins): Remove
5073         bogus entries for the P8V_BUILTIN_VEC_VGBBD built-ins
5075 2017-01-26  Vladimir Makarov  <vmakarov@redhat.com>
5077         PR target/79131
5078         * lra-assigns.c (setup_live_pseudos_and_spill_after_risky): Take
5079         endianess for subregs into account.
5080         * lra-constraints.c (lra_constraints): Do risky transformations
5081         always on the first iteration.
5082         * lra-lives.c (check_pseudos_live_through_calls): Add arg
5083         last_call_used_reg_set.
5084         (process_bb_lives): Define and use last_call_used_reg_set.
5085         * lra.c (lra): Always continue after lra_constraints on the first
5086         iteration.
5088 2017-01-26  Kirill Yukhin  <kirill.yukhin@gmail.com>
5090         * gcc.target/i386/avx512bw-kshiftlq-2.c: Use unsigned long long
5091         constant.
5092         * gcc.target/i386/avx512bw-kshiftrq-2.c: Ditto.
5094 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
5096         * config/i386/avx512fintrin.h (_ktest_mask16_u8,
5097         _ktestz_mask16_u8, _ktestc_mask16_u8, _kadd_mask16): Move to ...
5098         * config/i386/avx512dqintrin.h (_ktest_mask16_u8,
5099         _ktestz_mask16_u8, _ktestc_mask16_u8, _kadd_mask16): ... here.
5100         * config/i386/i386-builtin.def (__builtin_ia32_ktestchi,
5101         __builtin_ia32_ktestzhi, __builtin_ia32_kaddhi): Use
5102         OPTION_MASK_ISA_AVX512DQ instead of OPTION_MASK_ISA_AVX512F.
5103         * config/i386/sse.md (SWI1248_AVX512BWDQ2): New mode iterator.
5104         (kadd<mode>, ktest<mode>): Use it instead of SWI1248_AVX512BWDQ.
5106 2017-01-26  Marek Polacek  <polacek@redhat.com>
5108         PR c/79199
5109         * fold-const.c (operand_equal_p) [COND_EXPR]: Use OP_SAME_WITH_NULL
5110         for the third operand.
5112 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
5114         PR middle-end/79236
5115         * omp-low.c (struct omp_context): Add simt_stmt field.
5116         (scan_omp_for): Return omp_context *.
5117         (scan_omp_simd): Set simt_stmt on the non-_simt_ SIMD
5118         context to the _simt_ SIMD stmt.
5119         (lower_omp_for): For combined SIMD with sibling _simt_
5120         SIMD, make sure to use the same decls in _looptemp_
5121         clauses as in the sibling.
5123 2017-01-26  David Sherwood  <david.sherwood@arm.com>
5125         PR middle-end/79212
5126         * gimplify.c (omp_notice_variable): Add GOVD_SEEN flag to variables in
5127         all contexts.
5129 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
5131         PR target/70465
5132         * reg-stack.c (emit_swap_insn): Instead of fld a; fld b; fxchg %st(1);
5133         emit fld b; fld a; if possible.
5135         * brig-builtins.def: Update copyright years.
5136         * config/arm/arm_acle_builtins.def: Update copyright years.
5138 2017-01-25  Michael Meissner  <meissner@linux.vnet.ibm.com>
5140         PR target/79179
5141         * config/rs6000/vsx.md (vsx_extract_<mode>_store): Use wY
5142         constraint instead of o for the stxsd instruction.
5144 2017-01-25  Carl Love  <cel@us.ibm.com>
5146         * config/rs6000/rs6000-c (altivec_overloaded_builtins): Fix order
5147         of entries for ALTIVEC_BUILTIN_VEC_PACKS and P8V_BUILTIN_VEC_VGBBD.
5149 2017-01-25  Jonathan Wakely  <jwakely@redhat.com>
5151         * doc/invoke.texi (C++ Dialect Options): Fix typo.
5153 2017-01-25  Richard Biener  <rguenther@suse.de>
5155         PR tree-optimization/69264
5156         * target.def (vector_alignment_reachable): Improve documentation.
5157         * doc/tm.texi: Regenerate.
5158         * targhooks.c (default_builtin_vector_alignment_reachable): Simplify
5159         and add a comment.
5160         * tree-vect-data-refs.c (vect_supportable_dr_alignment): Revert
5161         earlier changes with respect to TYPE_USER_ALIGN.
5162         (vector_alignment_reachable_p): Likewise.  Improve dumping.
5164 2016-01-25  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5166         PR target/79145
5167         * config/arm/arm.md (xordi3): Force constant operand into a register
5168         for TARGET_IWMMXT.
5170 2016-01-25  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5172         * doc/invoke.texi (-fstore-merging): Correct default optimization
5173         levels at which it is enabled.
5174         (-O): Move -fstore-merging from list to...
5175         (-O2): ... Here.
5177 2017-01-25  Richard Biener  <rguenther@suse.de>
5179         PR debug/78363
5180         * omp-expand.c: Include debug.h.
5181         (expand_omp_taskreg): Make sure to generate early debug before
5182         outlining anything from a function.
5183         (expand_omp_target): Likewise.
5184         (grid_expand_target_grid_body): Likewise.
5186 2017-01-25  Maxim Ostapenko  <m.ostapenko@samsung.com>
5188         PR lto/79061
5189         * asan.c (get_translation_unit_decl): New function.
5190         (asan_add_global): Extract modules file name from globals
5191         TRANSLATION_UNIT_DECL name.
5193 2017-01-24  Eric Botcazou  <ebotcazou@adacore.com>
5195         PR target/77439
5196         * config/arm/arm.c (arm_function_ok_for_sibcall): Add back restriction
5197         for long calls with APCS frame and VFP.
5199 2017-01-24  David Malcolm  <dmalcolm@redhat.com>
5201         * cfg.c (original_copy_tables_initialized_p): New function.
5202         * cfg.h (original_copy_tables_initialized_p): New decl.
5203         * cfgrtl.c (relink_block_chain): Guard the call to
5204         free_original_copy_tables with a call to
5205         original_copy_tables_initialized_p.
5206         * cgraph.h (symtab_node::native_rtl_p): New decl.
5207         * cgraphunit.c (symtab_node::native_rtl_p): New function.
5208         (symtab_node::needed_p): Don't assert for early assembly output
5209         for __RTL functions.
5210         (cgraph_node::finalize_function): Set "force_output" for __RTL
5211         functions.
5212         (cgraph_node::analyze): Bail out early for __RTL functions.
5213         (analyze_functions): Update assertion to support __RTL functions.
5214         (cgraph_node::expand): Bail out early for __RTL functions.
5215         * final.c (rest_of_clean_state): Don't call delete_tree_ssa for
5216         __RTL functions.
5217         * function.h (struct function): Update comment for field
5218         "pass_startwith".
5219         * gimple-expr.c: Include "tree-pass.h".
5220         (gimple_has_body_p): Return false for __RTL functions.
5221         * Makefile.in (OBJS): Add run-rtl-passes.o.
5222         * pass_manager.h (gcc::pass_manager::get_rest_of_compilation): New
5223         accessor.
5224         (gcc::pass_manager::get_clean_slate): New accessor.
5225         * passes.c: Include "insn-addr.h".
5226         (should_skip_pass_p): Add logging.  Update logic for running
5227         "expand" to be compatible with both __GIMPLE and __RTL.  Guard
5228         property-provider override so it is only done for gimple passes.
5229         Don't skip dfinit.
5230         (skip_pass): New function.
5231         (execute_one_pass): Call skip_pass when skipping passes.
5232         * read-md.c (md_reader::read_char): Support filtering
5233         the input to a subset of line numbers.
5234         (md_reader::md_reader): Initialize fields
5235         m_first_line and m_last_line.
5236         (md_reader::read_file_fragment): New function.
5237         * read-md.h (md_reader::read_file_fragment): New decl.
5238         (md_reader::m_first_line): New field.
5239         (md_reader::m_last_line): New field.
5240         * read-rtl-function.c (function_reader::create_function): Only
5241         create cfun if it doesn't already exist.  Set PROP_rtl on cfun's
5242         curr_properties.  Set DECL_INITIAL to a dummy block.
5243         (read_rtl_function_body_from_file_range): New function.
5244         * read-rtl-function.h (read_rtl_function_body_from_file_range):
5245         New decl.
5246         * run-rtl-passes.c: New file.
5247         * run-rtl-passes.h: New file.
5249 2017-01-24 Jeff Law  <law@redhat.com>
5251         * config/microblaze/microblaze.h (ASM_FORMAT_PRIVATE_NAME): Increase
5252         buffer size.
5254 2017-01-24  Bin Cheng  <bin.cheng@arm.com>
5256         PR tree-optimization/79159
5257         * tree-ssa-loop-niter.c (get_cst_init_from_scev): New function.
5258         (record_nonwrapping_iv): Improve boundary using above function if no
5259         value range information.
5261 2017-01-24  Pekka Jääskeläinen  <pekka@parmance.com>
5262             Martin Jambor  <mjambor@suse.cz>
5264         * brig-builtins.def: New file.
5265         * builtins.def (DEF_HSAIL_BUILTIN): New macro.
5266         (DEF_HSAIL_ATOMIC_BUILTIN): Likewise.
5267         (DEF_HSAIL_SAT_BUILTIN): Likewise.
5268         (DEF_HSAIL_INTR_BUILTIN): Likewise.
5269         (DEF_HSAIL_CVT_ZEROI_SAT_BUILTIN): Likewise.
5270         * builtin-types.def (BT_INT8): New.
5271         (BT_INT16): Likewise.
5272         (BT_UINT8): Likewise.
5273         (BT_UINT16): Likewise.
5274         (BT_FN_ULONG): Likewise.
5275         (BT_FN_UINT_INT): Likewise.
5276         (BT_FN_UINT_ULONG): Likewise.
5277         (BT_FN_UINT_LONG): Likewise.
5278         (BT_FN_UINT_PTR): Likewise.
5279         (BT_FN_ULONG_PTR): Likewise.
5280         (BT_FN_INT8_FLOAT): Likewise.
5281         (BT_FN_INT16_FLOAT): Likewise.
5282         (BT_FN_UINT32_FLOAT): Likewise.
5283         (BT_FN_UINT16_FLOAT): Likewise.
5284         (BT_FN_UINT8_FLOAT): Likewise.
5285         (BT_FN_UINT64_FLOAT): Likewise.
5286         (BT_FN_UINT16_UINT32): Likewise.
5287         (BT_FN_UINT32_UINT16): Likewise.
5288         (BT_FN_UINT16_UINT16_UINT16): Likewise.
5289         (BT_FN_INT_PTR_INT): Likewise.
5290         (BT_FN_UINT_PTR_UINT): Likewise.
5291         (BT_FN_LONG_PTR_LONG): Likewise.
5292         (BT_FN_ULONG_PTR_ULONG): Likewise.
5293         (BT_FN_VOID_UINT64_UINT64): Likewise.
5294         (BT_FN_UINT8_UINT8_UINT8): Likewise.
5295         (BT_FN_INT8_INT8_INT8): Likewise.
5296         (BT_FN_INT16_INT16_INT16): Likewise.
5297         (BT_FN_INT_INT_INT): Likewise.
5298         (BT_FN_UINT_FLOAT_UINT): Likewise.
5299         (BT_FN_FLOAT_UINT_UINT): Likewise.
5300         (BT_FN_ULONG_UINT_UINT): Likewise.
5301         (BT_FN_ULONG_UINT_PTR): Likewise.
5302         (BT_FN_ULONG_ULONG_ULONG): Likewise.
5303         (BT_FN_UINT_UINT_UINT): Likewise.
5304         (BT_FN_VOID_UINT_PTR): Likewise.
5305         (BT_FN_UINT_UINT_PTR: Likewise.
5306         (BT_FN_UINT32_UINT64_PTR): Likewise.
5307         (BT_FN_INT_INT_UINT_UINT): Likewise.
5308         (BT_FN_UINT_UINT_UINT_UINT): Likewise.
5309         (BT_FN_UINT_UINT_UINT_PTR): Likewise.
5310         (BT_FN_UINT_ULONG_ULONG_UINT): Likewise.
5311         (BT_FN_ULONG_ULONG_ULONG_ULONG): Likewise.
5312         (BT_FN_LONG_LONG_UINT_UINT): Likewise.
5313         (BT_FN_ULONG_ULONG_UINT_UINT): Likewise.
5314         (BT_FN_VOID_UINT32_UINT64_PTR): Likewise.
5315         (BT_FN_VOID_UINT32_UINT32_PTR): Likewise.
5316         (BT_FN_UINT_UINT_UINT_UINT_UINT): Likewise.
5317         (BT_FN_UINT_FLOAT_FLOAT_FLOAT_FLOAT): Likewise.
5318         (BT_FN_ULONG_ULONG_ULONG_UINT_UINT): Likewise.
5319         * doc/frontends.texi: List BRIG FE.
5320         * doc/install.texi (Testing): Add BRIG tesring requirements.
5321         * doc/invoke.texi (Overall Options): Mention BRIG.
5322         * doc/standards.texi (Standards): Doucment BRIG HSA version.
5324 2017-01-24  Richard Biener  <rguenther@suse.de>
5326         PR translation/79208
5327         * ipa-devirt.c (odr_types_equivalent_p): Fix typo in diagnostic.
5329 2017-01-24  Martin Jambor  <mjambor@suse.cz>
5331         PR bootstrap/79198
5332         * ipa-prop.c (ipa_free_all_node_params): Call summary destructor.
5333         * ipa-prop.c (ipa_node_params_t::insert): Initialize fields known_csts
5334         and known_contexts.
5336 2017-01-24  Aldy Hernandez  <aldyh@redhat.com>
5338         PR middle-end/79123
5339         * gimple-ssa-warn-alloca.c (alloca_call_type): Make sure
5340         casts from signed to unsigned really don't have a range.
5342 2017-01-24  Markus Trippelsdorf  <markus@trippelsdorf.de>
5344         * gimple-ssa-sprintf.c (format_floating): Change MPFR_RNDx to
5345         GMP_RNDx for compatiblity.
5347 2017-01-24  Martin Liska  <mliska@suse.cz>
5349         PR bootstrap/79132
5350         * tree-ssa-reassoc.c (rewrite_expr_tree_parallel): Insert assert
5351         that would prevent us to call alloca with -1 as argument.
5353 2017-01-24  Jakub Jelinek  <jakub@redhat.com>
5355         * dwarf2out.c (output_compilation_unit_header, output_file_names):
5356         Avoid -Wformat-security warning.
5358 2017-01-23  Andrew Pinski  <apinski@cavium.com>
5360         * config/aarch64/aarch64.c (thunderx2t99_addrcost_table): Improve
5361         cost table.
5363 2017-01-23  Martin Sebor  <msebor@redhat.com>
5365         PR middle-end/78703
5366         * gimple-ssa-sprintf.c (warn_level): New global.
5367         (format_integer): Use it here and throughout the rest of the file.
5368         Use the same switch to compute sign as base.
5369         (maybe_warn): New function.
5370         (format_directive): Factor out warnings into maybe_warn.
5371         Add debugging output.  Use warn_level.
5372         (add_bytes): Use warn_level.
5373         (pass_sprintf_length::compute_format_length): Add debugging output.
5374         (try_substitute_return_value): Same.
5375         (pass_sprintf_length::handle_gimple_call): Set and use warn_level.
5377         PR middle-end/78703
5378         * gimple-ssa-sprintf.c (struct format_result): Remove constant member.
5379         (struct fmtresult, format_integer, format_floating): Adjust.
5380         (fmtresult::fmtresult): Set max correctly in two argument ctor.
5381         (get_string_length, format_string,format_directive): Same.
5382         (pass_sprintf_length::compute_format_length): Same.
5383         (try_substitute_return_value): Simplify slightly.
5385         PR middle-end/78703
5386         * gimple-ssa-sprintf.c (pass_sprintf_length::gate): Adjust formatting.
5387         (fmtresult::operator+=): Outlined.
5388         (struct fmtresult): Add ctors.
5389         (struct conversion_spec): Rename...
5390         (struct directive): ...to this.  Add and remove data members.
5391         (directive::set_width, directive::set_precision): New functions.
5392         (format_percent): Use fmtresult ctor.
5393         (get_width_and_precision): Remove.
5394         (format_integer): Make naming changes.  Avoid computing width and
5395         precision.
5396         (format_floating): Same.  Adjust indentation.
5397         (format_character, format_none): New functions.
5398         (format_string): Moved character handling to format_character.
5399         (format_directive): Remove arguments, change return type.
5400         (parse_directive): New function.
5401         (pass_sprintf_length::compute_format_length): Move directive
5402         parsing to parse_directive.
5404 2017-01-23  Jakub Jelinek  <jakub@redhat.com>
5406         * tree.h (assign_assembler_name_if_neeeded): Rename to ...
5407         (assign_assembler_name_if_needed): ... this.
5408         * tree.c (assign_assembler_name_if_neeeded): Rename to ...
5409         (assign_assembler_name_if_needed): ... this.
5410         (free_lang_data_in_cgraph): Adjust callers.
5411         * cgraphunit.c (cgraph_node::analyze): Likewise.
5412         * omp-expand.c (expand_omp_taskreg, expand_omp_target):
5413         Likewise.
5415 2017-01-23  Richard Biener  <rguenther@suse.de>
5417         PR tree-optimization/79088
5418         PR tree-optimization/79188
5419         * tree-ssa-threadupdate.c (mark_threaded_blocks): Move code
5420         resetting loop bounds after last path deletion.  Reset loop
5421         bounds of the target loop, make code match the comments.
5422         * tree-ssa-threadbackwards.c (pass_early_thread_jumps::execute):
5423         Make sure loops need no fixups.
5425 2017-01-23  Kelvin Nilsen  <kelvin@gcc.gnu.org>
5427         * config/rs6000/rs6000-builtin.def (VSIEDPF): Add scalar insert
5428         exponent support with double type for first argument.
5429         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Changed
5430         type returned by __builtin_vec_extract_sig,
5431         __builtin_vec_extract_sig_sp, and __builtin_vec_extract_sig_dp
5432         functions from "vector int" to "vector unsigned int" or from
5433         "vector long long int" to "vector unsigned long long int".
5434         Changed type returned by __builtin_vec_extract_exp,
5435         __builtin_vec_extract_exp_sp, and __builtin_vec_extract_exp_dp
5436         functions from "vector int" to "vector unsigned int" or from
5437         "vector long long int" to "vector unsigned long long int".
5438         Changed return type of __builtin_vec_test_data_class,
5439         __builtin_vec_test_data_class_sp, and
5440         __builtin_vec_test_data_class_dp from "vector int" to
5441         "vector bool int" or from "vector long long int" to "vector bool
5442         long long int" and changed second argument type from "unsigned
5443         int" to "int".  Added new overloaded function forms "vector float
5444         __builtin_vec_insert_exp (vector float, vector unsigned int)" and
5445         "vector float __builtin_vec_insert_exp_sp (vector float, vector
5446         unsigned int)" and "vector double __builtin_vec_insert_exp (vector
5447         double, vector unsigned long long int)" and "vector double
5448         __builtin_vec_insert_exp_dp (vector double, vector unsigned long
5449         long int)".  Changed return type of
5450         __builtin_scalar_test_data_class and
5451         __builtin_scalar_test_data_class_sp and
5452         __builtin_scalar_test_data_class_dp from "unsigned int" to "bool
5453         int" and changed second argument from "unsigned int" to "int".
5454         Changed type returned by __builtin_scalar_test_neg,
5455         __builtin_scalar_test_neg_sp, and __builtin_scalar_test_neg_dp
5456         from "int" to "bool int".  Added new overloaded function form
5457         "double __builtin_scalar_insert_exp (double, unsigned long long int)".
5458         * config/rs6000/vsx.md (xsiexpdpf): New insn for scalar insert
5459         exponent double-precision with floating point first argument.
5460         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Adjust
5461         documentation of scalar_test_data_class, scalar_test_neg,
5462         scalar_extract_sig, scalar_extract_exp, scalar_insert_exp,
5463         vector_extract_exp, vec_extract_sig, vec_insert_exp, and
5464         vec_test_data_class built-in functions to reflect refinements in
5465         their type signatures.
5467 2017-01-23  Andreas Tobler  <andreast@gcc.gnu.org>
5469         * config/aarch64/aarch64.c (aarch64_elf_asm_constructor): Increase
5470         size of buf.
5471         (aarch64_elf_asm_destructor): Likewise.
5473 2017-01-23  Bernd Schmidt  <bschmidt@redhat.com>
5475         PR rtl-optimization/78634
5476         * config/i386/i386.c (ix86_max_noce_ifcvt_seq_cost): New function.
5477         (TARGET_MAX_NOCE_IFCVT_SEQ_COST): Define.
5478         * ifcvt.c (noce_try_cmove): Add missing cost check.
5480         PR rtl-optimization/71724
5481         * combine.c (if_then_else_cond): Look for situations where it is
5482         beneficial to undo the work of one of the recursive calls.
5484 2017-01-23  Bin Cheng  <bin.cheng@arm.com>
5486         PR tree-optimization/70754
5487         * tree-predcom.c (stmt_combining_refs): New parameter INSERT_BEFORE.
5488         (reassociate_to_the_same_stmt): New parameter INSERT_BEFORE.  Insert
5489         combined stmt before it if not NULL.
5490         (combine_chains): Process refs reversely and compute dominance point
5491         for root ref.
5493 2017-01-23  Martin Liska  <mliska@suse.cz>
5495         PR tree-optimization/79196
5496         * tree-ssa-strlen.c (fold_strstr_to_memcmp): Rename to ...
5497         (fold_strstr_to_strncmp): ... this.  Fold the pattern to strncmp
5498         instead of memcmp.
5499         (strlen_optimize_stmt): Call the renamed function.
5501 2017-01-23  Michael Matz  <matz@suse.de>
5503         PR tree-optimization/78384
5504         * tree-ssa-loop-split.c (patch_loop_exit): Use correct edge.
5506 2017-01-23  Richard Biener  <rguenther@suse.de>
5508         PR tree-optimization/79186
5509         * tree-vrp.c (register_new_assert_for): Make sure we've seen
5510         both incoming edges before moving an assert.
5512 2017-01-23  Martin Jambor  <mjambor@suse.cz>
5514         * ipa-prop.c (load_from_param_1): Removed.
5515         (load_from_unmodified_param): Bits from load_from_param_1 put back
5516         here.
5517         (load_from_param): Removed.
5518         (compute_complex_assign_jump_func): Removed stmt2 and just replaced it
5519         with stmt.  Reverted back to use of load_from_unmodified_param.
5521 2017-01-23  Martin Jambor  <mjambor@suse.cz>
5523         PR ipa/79108
5524         * ipa-prop.h (ipa_param_descriptor): Anotate with with GTY(()).
5525         (ipa_node_params): Annotate with GTY((for_user)).  Make descriptors
5526         field a pointer to garbage collected vector, mark lattices and
5527         ipcp_orig_node with GTY((skip)).
5528         (ipa_get_param_count): Adjust to descriptors being a pointer.
5529         (ipa_get_param): Likewise.
5530         (ipa_get_type): Likewise.
5531         (ipa_get_param_move_cost): Likewise.
5532         (ipa_set_param_used): Likewise.
5533         (ipa_get_controlled_uses): Likewise.
5534         (ipa_set_controlled_uses): Likewise.
5535         (ipa_is_param_used): Likewise.
5536         (ipa_node_params_t): Move into garbage collector.  New methods insert
5537         and remove.
5538         (ipa_node_params_sum): Annotate wth GTY(()).
5539         (ipa_check_create_node_params): Adjust to ipa_node_params_sum being
5540         garbage collected.
5541         (ipa_load_from_parm_agg): Adjust declaration.
5542         * ipa-icf.c (param_used_p): Adjust to descriptors being a pointer.
5543         * ipa-profile.c (ipa_profile): Likewise.
5544         * ipa-prop.c (ipa_get_param_decl_index_1): Likewise.
5545         (ipa_populate_param_decls): Make descriptors parameter garbage
5546         collected.
5547         (ipa_dump_param): Adjust to descriptors being a pointer.
5548         (ipa_alloc_node_params): Likewise.
5549         (ipa_initialize_node_params): Likewise.
5550         (load_from_param_1): Make descriptors parameter garbage collected.
5551         (load_from_unmodified_param): Likewise.
5552         (load_from_param): Likewise.
5553         (ipa_load_from_parm_agg): Likewise.
5554         (ipa_node_params::~ipa_node_params): Removed.
5555         (ipa_free_all_node_params): Remove call to delete operator.
5556         (ipa_node_params_t::insert): New.
5557         (ipa_node_params_t::remove): Likewise.
5558         (ipa_node_params_t::duplicate): Adjust to descriptors being a pointer,
5559         copy known_csts and known_contexts vectors.
5560         (ipa_read_node_info): Adjust to descriptors being a pointer.
5561         (ipcp_modif_dom_walker): Make m_descriptors field garbage
5562         collected.
5563         (ipcp_transform_function): Make descriptors variable garbage
5564         collected.
5566 2017-01-23  Andrew Senkevich  <andrew.senkevich@intel.com>
5568         * config/i386/avx512bwintrin.h: Add k-mask test, kortest intrinsics.
5569         * config/i386/avx512dqintrin.h: Ditto.
5570         * config/i386/avx512fintrin.h: Ditto.
5571         * gcc/config/i386/i386.c: Handle new builtins.
5572         * config/i386/i386-builtin.def: Add new builtins.
5573         * config/i386/sse.md (ktest<mode>, kortest<mode>): New.
5574         (UNSPEC_KORTEST, UNSPEC_KTEST): New.
5576 2017-01-23  Jakub Jelinek  <jakub@redhat.com>
5577             Martin Liska  <mliska@suse.cz>
5579         * asan.h: Define ASAN_USE_AFTER_SCOPE_ATTRIBUTE.
5580         * asan.c (asan_expand_poison_ifn): Support stores and use
5581         appropriate ASAN report function.
5582         * internal-fn.c (expand_ASAN_POISON_USE): New function.
5583         * internal-fn.def (ASAN_POISON_USE): Declare.
5584         * tree-into-ssa.c (maybe_add_asan_poison_write): New function.
5585         (maybe_register_def): Create ASAN_POISON_USE when sanitizing.
5586         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Remove
5587         ASAN_POISON calls w/o LHS.
5588         * tree-ssa.c (execute_update_addresses_taken): Create clobber
5589         for ASAN_MARK (UNPOISON, &x, ...) in order to prevent usage of a LHS
5590         from ASAN_MARK (POISON, &x, ...) coming to a PHI node.
5591         * gimplify.c (asan_poison_variables): Add attribute
5592         use_after_scope_memory to variables that really needs to live
5593         in memory.
5594         * tree-ssa.c (is_asan_mark_p): Do not rewrite into SSA when
5595         having the attribute.
5597 2017-01-23  Martin Liska  <mliska@suse.cz>
5599         * asan.c (create_asan_shadow_var): New function.
5600         (asan_expand_poison_ifn): Likewise.
5601         * asan.h (asan_expand_poison_ifn): New declaration.
5602         * internal-fn.c (expand_ASAN_POISON): Likewise.
5603         * internal-fn.def (ASAN_POISON): New builtin.
5604         * sanopt.c (pass_sanopt::execute): Expand
5605         asan_expand_poison_ifn.
5606         * tree-inline.c (copy_decl_for_dup_finish): Make function
5607         external.
5608         * tree-inline.h (copy_decl_for_dup_finish): Likewise.
5609         * tree-ssa.c (is_asan_mark_p): New function.
5610         (execute_update_addresses_taken): Rewrite local variables
5611         (identified just by use-after-scope as addressable) into SSA.
5613 2017-01-22  Gerald Pfeifer  <gerald@pfeifer.com>
5615         * doc/install.texi (Specific): opensource.apple.com uses https
5616         now. Remove trailing slash.
5618 2017-01-22  Gerald Pfeifer  <gerald@pfeifer.com>
5620         * README.Portability: Remove note on an Irix compatibility issue.
5622 2017-01-22  Dimitry Andric <dim@FreeBSD.org>
5624         * gcov.c (INCLUDE_ALGORITHM): Define.
5625         (INCLUDE_VECTOR): Define.
5626         No longer include <vector> and <algorithm> directly.
5628 2017-01-21  Gerald Pfeifer  <gerald@pfeifer.com>
5630         * doc/extend.texi (Thread-Local): Change www.akkadia.org reference
5631         to https.
5632         * doc/invoke.texi (Code Gen Options): Ditto.
5634 2017-01-21  Jan Hubicka  <hubicka@ucw.cz>
5636         PR lto/78407
5637         * cfg.c (update_bb_profile_for_threading): Fix updating of probablity.
5639 2017-01-21  Bernd Schmidt  <bschmidt@redhat.com>
5641         rtl-optimization/79125
5642         * cprop.c (local_cprop_pass): Handle cases where we make an
5643         unconditional trap.
5645 2017-01-20  Segher Boessenkool  <segher@kernel.crashing.org>
5647         PR target/61729
5648         PR target/77850
5649         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Adjust address to
5650         read from, for big endian.
5652 2017-01-20  Jiong Wang  <jiong.wang@arm.com>
5654         * config/aarch64/aarch64-builtins.c (aarch64_init_builtins): Register
5655         register pauth builtins for LP64 only.
5657 2017-01-20  Marek Polacek  <polacek@redhat.com>
5659         PR c/79152
5660         * gimplify.c (should_warn_for_implicit_fallthrough): Handle consecutive
5661         non-case labels.
5663 2017-01-20  Alexander Monakov  <amonakov@ispras.ru>
5665         * omp-expand.c (expand_omp_simd): Clear PROP_gimple_lomp_dev regardless
5666         of safelen status.
5667         * omp-offload.c (pass_omp_device_lower::gate): Use PROP_gimple_lomp_dev.
5668         * passes.c (dump_properties): Handle PROP_gimple_lomp_dev.
5669         * tree-inline.c (expand_call_inline): Propagate PROP_gimple_lomp_dev.
5671 2017-01-20  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5673         PR target/71270
5674         * config/arm/arm.c (neon_valid_immediate): Reject vector constants
5675         in big-endian mode when they are not a single duplicated value.
5677 2017-01-20  Richard Biener  <rguenther@suse.de>
5679         * BASE-VER: Bump to 7.0.1.
5681 2017-01-20  Alexander Monakov  <amonakov@ispras.ru>
5683         * omp-low.c (omplow_simd_context): New struct.  Use it...
5684         (lower_rec_simd_input_clauses): ...here and...
5685         (lower_rec_input_clauses): ...here to hold common data.  Adjust all
5686         references to idx, lane, max_vf, is_simt.
5688 2017-01-20  Graham Markall  <graham.markall@embecosm.com>
5690         * config/arc/arc.h (LINK_SPEC): Use arclinux_nps emulation when
5691         mcpu=nps400.
5693 2017-01-20  Martin Jambor  <mjambor@suse.cz>
5695         * hsa.h: Renaed to hsa-common.h.  Adjusted a comment.
5696         * hsa.c: Renaed to hsa-common.c.  Change include of gt-hsa.h to
5697         gt-hsa-common.h.
5698         * Makefile.in (OBJS): Rename hsa.o to hsa-common.o.
5699         (GTFILES): Rename hsa.c to hsa-common.c.
5700         * hsa-brig.c: Change include of hsa.h to hsa-common.h.
5701         * hsa-dump.c: Likewise.
5702         * hsa-gen.c: Likewise.
5703         * hsa-regalloc.c: Likewise.
5704         * ipa-hsa.c: Likewise.
5705         * omp-expand.c: Likewise.
5706         * omp-low.c: Likewise.
5707         * toplev.c: Likewise.
5709 2017-01-20  Marek Polacek  <polacek@redhat.com>
5711         PR c/64279
5712         * doc/invoke.texi: Document -Wduplicated-branches.
5713         * fold-const.c (operand_equal_p): Handle MODIFY_EXPR, INIT_EXPR,
5714         COMPOUND_EXPR, PREDECREMENT_EXPR, PREINCREMENT_EXPR,
5715         POSTDECREMENT_EXPR, POSTINCREMENT_EXPR, CLEANUP_POINT_EXPR, EXPR_STMT,
5716         STATEMENT_LIST, and RETURN_EXPR.  For non-pure non-const functions
5717         return 0 only when not OEP_LEXICOGRAPHIC.
5718         (fold_build_cleanup_point_expr): Use the expression
5719         location when building CLEANUP_POINT_EXPR.
5720         * tree-core.h (enum operand_equal_flag): Add OEP_LEXICOGRAPHIC.
5721         * tree.c (add_expr): Handle error_mark_node.
5723 2017-01-20  Martin Liska  <mliska@suse.cz>
5725         PR lto/69188
5726         * tree-profile.c (init_ic_make_global_vars): Do not call
5727         finalize_decl.
5728         (gimple_init_gcov_profiler): Likewise.
5730 2017-01-20  Martin Liska  <mliska@suse.cz>
5732         PR ipa/71190
5733         * cgraph.h (maybe_create_reference): Remove argument and
5734         update comment.
5735         * cgraphclones.c (cgraph_node::create_virtual_clone): Remove one
5736         argument.
5737         * ipa-cp.c (create_specialized_node): Likewise.
5738         * symtab.c (symtab_node::maybe_create_reference): Handle
5739         VAR_DECLs and ADDR_EXPRs and select ipa_ref_use type.
5741 2017-01-20  Martin Liska  <mliska@suse.cz>
5743         * read-rtl-function.c (function_reader::create_function): Use
5744         build_decl instread of build_decl_stat.
5746 2017-01-20  Andrew Senkevich  <andrew.senkevich@intel.com>
5748         * config/i386/avx512bwintrin.h: Add k-mask registers shift intrinsics.
5749         * config/i386/avx512dqintrin.h: Ditto.
5750         * config/i386/avx512fintrin.h: Ditto.
5751         * config/i386/i386-builtin-types.def: Add new types.
5752         * gcc/config/i386/i386.c: Handle new types.
5753         * config/i386/i386-builtin.def (__builtin_ia32_kshiftliqi)
5754         (__builtin_ia32_kshiftlihi, __builtin_ia32_kshiftlisi)
5755         (__builtin_ia32_kshiftlidi, __builtin_ia32_kshiftriqi)
5756         (__builtin_ia32_kshiftrihi, __builtin_ia32_kshiftrisi)
5757         (__builtin_ia32_kshiftridi): New.
5758         * config/i386/sse.md (k<code><mode>): Rename *k<code><mode>.
5760 2017-01-19  Segher Boessenkool  <segher@kernel.crashing.org>
5762         PR target/78875
5763         PR target/79140
5764         * config/rs6000/rs6000.c (TARGET_STACK_PROTECT_GUARD): Unconditionally
5765         define to rs6000_init_stack_protect_guard.
5766         (rs6000_init_stack_protect_guard): New function.
5768 2017-01-19  Matthew Fortune  <matthew.fortune@imgtec.com>
5769             Yunqiang Su  <yunqiang.su@imgtec.com>
5771         * config.gcc (supported_defaults): Add madd4.
5772         (with_madd4): Add validation.
5773         (all_defaults): Add madd4.
5774         * config/mips/mips.opt (mmadd4): New option.
5775         * gcc/config/mips/mips.h (OPTION_DEFAULT_SPECS): Add a default for
5776         mmadd4.
5777         (TARGET_CPU_CPP_BUILTINS): Add builtin_define for
5778         __mips_no_madd4.
5779         (ISA_HAS_UNFUSED_MADD4): Gate with mips_madd4.
5780         (ISA_HAS_FUSED_MADD4): Likewise.
5781         * gcc/doc/invoke.texi (-mmadd4): Document the new option.
5782         * gcc/doc/install.texi (--with-madd4): Document the new option.
5784 2017-01-19  Jiong Wang  <jiong.wang@arm.com>
5786         * config/aarch64/aarch64-builtins.c (enum aarch64_builtins): New
5787         entries for AARCH64_PAUTH_BUILTIN_XPACLRI,
5788         AARCH64_PAUTH_BUILTIN_PACIA1716, AARCH64_PAUTH_BUILTIN_AUTIA1716.
5789         (aarch64_init_pauth_hint_builtins): New.
5790         (aarch64_init_builtins): Call aarch64_init_pauth_hint_builtins.
5791         (aarch64_expand_builtin): Expand new builtins.
5793 2017-01-19  Jiong Wang  <jiong.wang@arm.com>
5795         * reg-notes.def (CFA_TOGGLE_RA_MANGLE): New reg-note.
5796         * combine-stack-adj.c (no_unhandled_cfa): Handle
5797         REG_CFA_TOGGLE_RA_MANGLE.
5798         * dwarf2cfi.c (dwarf2out_frame_debug): Handle REG_CFA_TOGGLE_RA_MANGLE.
5799         * config/aarch64/aarch64.c (aarch64_expand_prologue): Generates DWARF
5800         info for return address signing.
5801         (aarch64_expand_epilogue): Likewise.
5803 2017-01-19  Jiong Wang  <jiong.wang@arm.com>
5805         * config/aarch64/aarch64-opts.h (aarch64_function_type): New enum.
5806         * config/aarch64/aarch64-protos.h
5807         (aarch64_return_address_signing_enabled): New declaration.
5808         * config/aarch64/aarch64.c (aarch64_return_address_signing_enabled):
5809         New function.
5810         (aarch64_expand_prologue): Sign return address before it's pushed onto
5811         stack.
5812         (aarch64_expand_epilogue): Authenticate return address fetched from
5813         stack.
5814         (aarch64_override_options): Sanity check for ILP32 and ISA level.
5815         (aarch64_attributes): New function attributes for "sign-return-address".
5816         * config/aarch64/aarch64.md (UNSPEC_AUTI1716, UNSPEC_AUTISP,
5817         UNSPEC_PACI1716, UNSPEC_PACISP, UNSPEC_XPACLRI): New unspecs.
5818         ("*do_return"): Generate combined instructions according to key index.
5819         ("<pauth_mnem_prefix>sp", "<pauth_mnem_prefix1716", "xpaclri"): New.
5820         * config/aarch64/iterators.md (PAUTH_LR_SP, PAUTH_17_16): New integer
5821         iterators.
5822         (pauth_mnem_prefix, pauth_hint_num_a): New integer attributes.
5823         * config/aarch64/aarch64.opt (msign-return-address=): New.
5824         * doc/extend.texi (AArch64 Function Attributes): Documents
5825         "sign-return-address=".
5826         * doc/invoke.texi (AArch64 Options): Documents "-msign-return-address=".
5828 2017-01-19  Matthew Fortune  <matthew.fortune@imgtec.com>
5830         * doc/invoke.texi: Add missing -mlxc1-sxc1 options to
5831         overall option summary.
5833 2017-01-19  Jiong Wang  <jiong.wang@arm.com>
5835         * config/aarch64/aarch64-arches.def: New entry for "armv8.3-a".
5836         * config/aarch64/aarch64.h (AARCH64_FL_V8_3, AARCH64_FL_FOR_ARCH8_3,
5837         AARCH64_ISA_V8_3, TARGET_ARMV8_3): New.
5838         * doc/invoke.texi (AArch64 Options): Document "armv8.3-a".
5840 2017-01-19  Michael Meissner  <meissner@linux.vnet.ibm.com>
5842         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Enable
5843         -mpower9-minmax by default for -mcpu=power9.
5844         (ISA_3_MASKS_IEEE): Require -mvsx-small-integer to enable IEEE
5845         128-bit floating point.
5847 2017-01-20  Alan Modra  <amodra@gmail.com>
5849         * config/rs6000/rs6000.md (cmpstrnsi, cmpstrsi): Fail if
5850         optimizing for size.
5852 2017-01-20  Alan Modra  <amodra@gmail.com>
5854         PR target/79144
5855         * config/rs6000/rs6000.c (expand_strn_compare): Get the asm name
5856         for strcmp and strncmp from corresponding builtin decl.
5858 2017-01-19  Uros Bizjak  <ubizjak@gmail.com>
5860         * config.gcc (x86_64-*-rtems*): Use i386/rtemself.h
5861         instead of i386/rtems-64.h.
5862         * config/i386/rtems-64.h: Remove.
5864 2017-01-19  Uros Bizjak  <ubizjak@gmail.com>
5866         PR target/78478
5867         Revert:
5868         2013-11-05  Uros Bizjak  <ubizjak@gmail.com>
5870         * config/i386/rtemself.h (LONG_DOUBLE_TYPE_SIZE): New define.
5872 2017-01-19  Tamar Christina  <tamar.christina@arm.com>
5874         * config/aarch64/aarch64.c (aarch64_simd_gen_const_vector_dup):
5875         Change int to HOST_WIDE_INT.
5876         * config/aarch64/aarch64-protos.h
5877         (aarch64_simd_gen_const_vector_dup): Likewise.
5878         * config/aarch64/aarch64-simd.md: Add copysign<mode>3.
5880 2017-01-19  David Malcolm  <dmalcolm@redhat.com>
5882         * langhooks-def.h (lhd_type_for_size): New decl.
5883         (LANG_HOOKS_TYPE_FOR_SIZE): Define as lhd_type_for_size.
5884         * langhooks.c (lhd_type_for_size): New function, taken from
5885         lto_type_for_size.
5887 2017-01-19  Pat Haugen  <pthaugen@us.ibm.com>
5889         * config/rs6000/power9.md (power9-alu): Remove 'cmp' type and add
5890         define_bypass for CR latency.
5891         (power9-cracked-alu): Update bypass latency and remove power9-branch.
5892         (power9-alu2): Add define_bypass for CR latency.
5893         (power9-cmp): New.
5894         (power9-mul): Update insn latency.
5895         (power9-mul-compare): Update insn latency, bypass latency and remove
5896         power9-branch.
5898 2016-01-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5900         * config/aarch64/aarch64-protos.h (aarch64_nopcrelative_literal_loads):
5901         Delete.
5902         * config/aarch64/aarch64.md
5903         (aarch64_reload_movcp<GPF_TF:mode><P:mode>): Delete reference to
5904         aarch64_nopcrelative_literal_loads.
5905         (aarch64_reload_movcp<VALL:mode><P:mode>): Likewise.
5907 2017-01-19  Chenghua Xu  <paul.hua.gm@gmail.com>
5909         * config/mips/mips.h (ISA_HAS_FUSED_MADD4): Enable for
5910         TARGET_LOONGSON_3A.
5911         (ISA_HAS_UNFUSED_MADD4): Exclude TARGET_LOONGSON_3A.
5913 2017-01-19  Doug Gilmore  <doug.gilmore@imgtec.com>
5915         PR target/78176
5916         * config.gcc (supported_defaults): Add lxc1-sxc1.
5917         (with_lxc1_sxc1): Add validation.
5918         (all_defaults): Add lxc1-sxc1.
5919         * config/mips/mips.opt (mlxc1-sxc1): New option.
5920         * gcc/config/mips/mips.h (OPTION_DEFAULT_SPECS): Add a default for
5921         mlxc1-sxc1.
5922         (TARGET_CPU_CPP_BUILTINS): Add builtin_define for
5923         __mips_no_lxc1_sxc1.
5924         (ISA_HAS_LXC1_SXC1): Gate with mips_lxc1_sxc1.
5925         * gcc/doc/invoke.texi (-mlxc1-sxc1): Document the new option.
5926         * doc/install.texi (--with-lxc1-sxc1): Document the new option.
5928 2017-01-19  Richard Biener  <rguenther@suse.de>
5930         PR tree-optimization/72488
5931         * tree-ssa-sccvn.c (run_scc_vn): When we abort the VN make
5932         sure to restore SSA info.
5933         * tree-ssa.c (verify_ssa): Verify SSA info is not shared.
5935 2017-01-19  Richard Earnshaw  <rearnsha@arm.com>
5937         PR rtl-optimization/79121
5938         * expr.c (expand_expr_real_2, case LSHIFT_EXPR): Look at the signedness
5939         of the inner type when shifting an extended value.
5941 2017-01-17  Jan Hubicka  <hubicka@ucw.cz>
5943         PR lto/78407
5944         * symtab.c (symtab_node::equal_address_to): Fix comparing of
5945         interposable aliases.
5947 2017-01-18  Peter Bergner  <bergner@vnet.ibm.com>
5949         PR target/78516
5950         * config/rs6000/spe.md (mov_si<mode>_e500_subreg0): Fix constraints.
5951         Use the evmergelohi instruction.
5952         (mov_si<mode>_e500_subreg4_2_le): Likewise.
5953         (mov_sitf_e500_subreg8_2_be): Likewise.
5954         (mov_sitf_e500_subreg12_2_le): Likewise.
5955         (mov_si<mode>_e500_subreg0_2_le): Fix constraints.
5956         (mov_si<mode>_e500_subreg4_2_be): Likewise.
5957         (mov_sitf_e500_subreg8_2_le): Likewise.
5958         (mov_sitf_e500_subreg12_2_be): Likewise.
5960 2017-01-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
5962         * config/rs6000/altivec.md (altivec_vbpermq): Change "type"
5963         attribute from vecsimple to vecperm.
5964         (altivec_vbpermq2): Likewise.
5966 2017-01-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
5968         PR target/79040
5969         * config/rs6000/altivec.h: Fix typo of vec_cntlz to vec_cnttz.
5971 2017-01-18  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
5972         * config/rs6000/rs6000-protos.h (expand_strn_compare): Add arg.
5973         * config/rs6000/rs6000.c (expand_strn_compare): Add ability to expand
5974         strcmp. Fix bug where comparison didn't stop with zero byte. Fix
5975         case where N arg is SIZE_MAX.
5976         * config/rs6000/rs6000.md (cmpstrnsi): Args to expand_strn_compare.
5977         (cmpstrsi): Add pattern.
5979 2017-01-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
5981         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
5982         __builtin_vec_revb builtins.
5983         * config/rs6000/rs6000-builtins.def (P9V_BUILTIN_XXBRQ_V16QI): Add
5984         built-in functions to support generation of the ISA 3.0 XXBR<x>
5985         vector byte reverse instructions.
5986         (P9V_BUILTIN_XXBRQ_V1TI): Likewise.
5987         (P9V_BUILTIN_XXBRD_V2DI): Likewise.
5988         (P9V_BUILTIN_XXBRD_V2DF): Likewise.
5989         (P9V_BUILTIN_XXBGW_V4SI): Likewise.
5990         (P9V_BUILTIN_XXBGW_V4SF): Likewise.
5991         (P9V_BUILTIN_XXBGH_V8HI): Likewise.
5992         (P9V_BUILTIN_VEC_REVB): Likewise.
5993         * config/rs6000/vsx.md (p9_xxbrq_v1ti): New insns/expanders to
5994         generate the ISA 3.0 XXBR<x> vector byte reverse instructions.
5995         (p9_xxbrq_v16qi): Likewise.
5996         (p9_xxbrd_<mode>, VSX_D iterator): Likewise.
5997         (p9_xxbrw_<mode>, VSX_W iterator): Likewise.
5998         (p9_xxbrh_v8hi): Likewise.
5999         * config/rs6000/altivec.h (vec_revb): Define if ISA 3.0.
6000         * doc/extend.texi (RS/6000 Altivec Built-ins): Document the
6001         vec_revb built-in functions.
6003 2017-01-18  Uros Bizjak  <ubizjak@gmail.com>
6005         PR rtl-optimization/78952
6006         * config/i386/i386.md (any_extract): New code iterator.
6007         (*insvqi_2): Use any_extract for source operand.
6008         (*insvqi_3): Use any_shiftrt for source operand.
6010 2017-01-18  Wilco Dijkstra  <wdijkstr@arm.com>
6012         * config/aarch64/aarch64.c (aarch64_sched_adjust_priority)
6013         New function.
6014         (TARGET_SCHED_ADJUST_PRIORITY): Define target hook.
6016 2017-01-18  Matthias Klose  <doko@ubuntu.com>
6018         * doc/install.texi: Allow default for --with-target-bdw-gc-include.
6020 2016-01-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
6022         * config/rs6000/altivec.h (vec_bperm): Change #define.
6023         * config/rs6000/altivec.md (UNSPEC_VBPERMD): New enum constant.
6024         (altivec_vbpermq2): New define_insn.
6025         (altivec_vbpermd): Likewise.
6026         * config/rs6000/rs6000-builtin.def (VBPERMQ2): New monomorphic
6027         function interface.
6028         (VBPERMD): Likewise.
6029         (VBPERM): New polymorphic function interface.
6030         * config/rs6000/r6000-c.c (altivec_overloaded_builtins_table):
6031         Add entries for P9V_BUILTIN_VEC_VBPERM.
6032         * doc/extend.texi: Add interfaces for vec_bperm.
6034 2017-01-18  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
6036         * config/s390/s390-c.c (s390_expand_overloaded_builtin): Downcase
6037         first letter of error messages.
6038         (s390_resolve_overloaded_builtin): Likewise.
6039         * config/s390/s390.c (s390_expand_builtin): Likewise.
6040         (s390_invalid_arg_for_unprototyped_fn): Likewise.
6041         (s390_valid_target_attribute_inner_p): Likewise.
6042         * config/s390/s390.md ("tabort"): Likewise.
6044 2017-01-18  Toma Tabacu  <toma.tabacu@imgtec.com>
6046         * config/mips/mips.h (ISA_HAS_DIV3): Remove unused macro.
6047         (ISA_AVOID_DIV_HILO): New macro.
6048         (ISA_HAS_DIV): Use new ISA_AVOID_DIV_HILO macro.
6049         (ISA_HAS_DDIV): Likewise.
6051 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
6053         * doc/invoke.texi (fabi-version): Correct number of occurrences.
6055 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
6057         * doc/invoke.texi (fabi-version): Spelling fix.
6059 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
6061         PR c++/70182
6062         * doc/invoke.texi (fabi-version): Mention mangling fix for
6063         operator names.
6065 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
6067         PR c++/77489
6068         * doc/invoke.texi (fabi-version): Document discriminator mangling.
6070 2017-01-17  Segher Boessenkool  <segher@kernel.crashing.org>
6072         PR target/78875
6073         * config/rs6000/rs6000-opts.h (stack_protector_guard): New enum.
6074         * config/rs6000/rs6000.c (rs6000_option_override_internal): Handle
6075         the new options.
6076         * config/rs6000/rs6000.md (stack_protect_set): Handle the new more
6077         flexible settings.
6078         (stack_protect_test): Ditto.
6079         * config/rs6000/rs6000.opt (mstack-protector-guard=,
6080         mstack-protector-guard-reg=, mstack-protector-guard-offset=): New
6081         options.
6082         * doc/invoke.texi (Option Summary) [RS/6000 and PowerPC Options]:
6083         Add -mstack-protector-guard=, -mstack-protector-guard-reg=, and
6084         -mstack-protector-guard-offset=.
6085         (RS/6000 and PowerPC Options): Ditto.
6087 2017-01-17  Uros Bizjak  <ubizjak@gmail.com>
6089         * config/i386/i386.h (MASK_CLASS_P): New define.
6090         * config/i386/i386.c (inline_secondary_memory_needed): Ensure that
6091         there are no registers from different register sets also when
6092         mask registers are used.  Update function comment.
6093         * config/i386/i386.md (*movsi_internal): Split (*k/*krm) alternative
6094         to (*k/*r) and (*k/*km) alternatives.
6096 2017-01-17  Wilco Dijkstra  <wdijkstr@arm.com>
6098         * config/aarch64/aarch64.md (eh_return): Remove pattern and splitter.
6099         * config/aarch64/aarch64.h (AARCH64_EH_STACKADJ_REGNUM): Remove.
6100         (EH_RETURN_HANDLER_RTX): New define.
6101         * config/aarch64/aarch64.c (aarch64_frame_pointer_required):
6102         Force frame pointer in EH return functions.
6103         (aarch64_expand_epilogue): Add barrier for eh_return.
6104         (aarch64_final_eh_return_addr): Remove.
6105         (aarch64_eh_return_handler_rtx): New function.
6106         * config/aarch64/aarch64-protos.h (aarch64_final_eh_return_addr):
6107         Remove.
6108         (aarch64_eh_return_handler_rtx): New prototype.
6110 2017-01-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
6112         * config/rs6000/altivec.h (vec_rlmi): New #define.
6113         (vec_vrlnm): Likewise.
6114         (vec_rlnm): Likewise.
6115         * config/rs6000/altivec.md (UNSPEC_VRLMI): New UNSPEC enum value.
6116         (UNSPEC_VRLNM): Likewise.
6117         (VIlong): New mode iterator.
6118         (altivec_vrl<VI_char>mi): New define_insn.
6119         (altivec_vrl<VI_char>nm): Likewise.
6120         * config/rs6000/rs6000-builtin.def (VRLWNM): New monomorphic
6121         function entry.
6122         (VRLDNM): Likewise.
6123         (RLNM): New polymorphic function entry.
6124         (VRLWMI): New monomorphic function entry.
6125         (VRLDMI): Likewise.
6126         (RLMI): New polymorphic function entry.
6127         * config/rs6000/r6000-c.c (altivec_overloaded_builtin_table): Add
6128         new entries for P9V_BUILTIN_VEC_RLMI and P9V_BUILTIN_VEC_RLNM.
6129         * doc/extend.texi: Add description of vec_rlmi, vec_rlnm, and
6130         vec_vrlnm.
6132 2017-01-17  Jakub Jelinek  <jakub@redhat.com>
6134         PR debug/78839
6135         * dwarf2out.c (field_byte_offset): Restore the
6136         PCC_BITFIELD_TYPE_MATTERS behavior for INTEGER_CST DECL_FIELD_OFFSET
6137         and DECL_FIELD_BIT_OFFSET.  Use fold_build2 instead of build2 + fold.
6138         (analyze_variants_discr, gen_variant_part): Use fold_build2 instead
6139         of build2 + fold.
6141 2017-01-17  Eric Botcazou  <ebotcazou@adacore.com>
6143         PR ada/67205
6144         * config/aarch64/aarch64.c (TARGET_CUSTOM_FUNCTION_DESCRIPTORS): Define
6146 2017-01-17  Jakub Jelinek  <jakub@redhat.com>
6148         PR debug/71669
6149         * dwarf2out.c (add_data_member_location_attribute): For constant
6150         offset bitfield emit for -gdwarf-5 DW_AT_data_bit_offset attribute
6151         instead of DW_AT_data_member_location, DW_AT_bit_offset and
6152         DW_AT_byte_size attributes.
6154 2017-01-17  Eric Botcazou  <ebotcazou@adacore.com>
6156         * config/rs6000/rs6000.c (rs6000_emit_move): Also use a TOC reference
6157         after forcing to constant memory when the code model is medium.
6159 2017-01-17  Julia Koval  <julia.koval@intel.com>
6161         PR target/76731
6162         * config/i386/avx512fintrin.h
6163         (_mm512_i32gather_ps): Change __addr type to void const*.
6164         (_mm512_mask_i32gather_ps): Ditto.
6165         (_mm512_i32gather_pd): Ditto.
6166         (_mm512_mask_i32gather_pd): Ditto.
6167         (_mm512_i64gather_ps): Ditto.
6168         (_mm512_mask_i64gather_ps): Ditto.
6169         (_mm512_i64gather_pd): Ditto.
6170         (_mm512_mask_i64gather_pd): Ditto.
6171         (_mm512_i32gather_epi32): Ditto.
6172         (_mm512_mask_i32gather_epi32): Ditto.
6173         (_mm512_i32gather_epi64): Ditto.
6174         (_mm512_mask_i32gather_epi64): Ditto.
6175         (_mm512_i64gather_epi32): Ditto.
6176         (_mm512_mask_i64gather_epi32): Ditto.
6177         (_mm512_i64gather_epi64): Ditto.
6178         (_mm512_mask_i64gather_epi64): Ditto.
6179         (_mm512_i32scatter_ps): Change __addr type to void*.
6180         (_mm512_mask_i32scatter_ps): Ditto.
6181         (_mm512_i32scatter_pd): Ditto.
6182         (_mm512_mask_i32scatter_pd): Ditto.
6183         (_mm512_i64scatter_ps): Ditto.
6184         (_mm512_mask_i64scatter_ps): Ditto.
6185         (_mm512_i64scatter_pd): Ditto.
6186         (_mm512_mask_i64scatter_pd): Ditto.
6187         (_mm512_i32scatter_epi32): Ditto.
6188         (_mm512_mask_i32scatter_epi32): Ditto.
6189         (_mm512_i32scatter_epi64): Ditto.
6190         (_mm512_mask_i32scatter_epi64): Ditto.
6191         (_mm512_i64scatter_epi32): Ditto.
6192         (_mm512_mask_i64scatter_epi32): Ditto.
6193         (_mm512_i64scatter_epi64): Ditto.
6194         (_mm512_mask_i64scatter_epi64): Ditto.
6195         * config/i386/avx512pfintrin.h
6196         (_mm512_mask_prefetch_i32gather_pd): Change __addr type to void const*.
6197         (_mm512_mask_prefetch_i32gather_ps): Ditto.
6198         (_mm512_mask_prefetch_i64gather_pd): Ditto.
6199         (_mm512_mask_prefetch_i64gather_ps): Ditto.
6200         (_mm512_prefetch_i32scatter_pd): Change __addr type to void*.
6201         (_mm512_prefetch_i32scatter_ps): Ditto.
6202         (_mm512_mask_prefetch_i32scatter_pd): Ditto.
6203         (_mm512_mask_prefetch_i32scatter_ps): Ditto.
6204         (_mm512_prefetch_i64scatter_pd): Ditto.
6205         (_mm512_prefetch_i64scatter_ps): Ditto.
6206         (_mm512_mask_prefetch_i64scatter_pd): Ditto.
6207         (_mm512_mask_prefetch_i64scatter_ps): Ditto.
6208         * config/i386/avx512vlintrin.h
6209         (_mm256_mmask_i32gather_ps): Change __addr type to void const*.
6210         (_mm_mmask_i32gather_ps): Ditto.
6211         (_mm256_mmask_i32gather_pd): Ditto.
6212         (_mm_mmask_i32gather_pd): Ditto.
6213         (_mm256_mmask_i64gather_ps): Ditto.
6214         (_mm_mmask_i64gather_ps): Ditto.
6215         (_mm256_mmask_i64gather_pd): Ditto.
6216         (_mm_mmask_i64gather_pd): Ditto.
6217         (_mm256_mmask_i32gather_epi32): Ditto.
6218         (_mm_mmask_i32gather_epi32): Ditto.
6219         (_mm256_mmask_i32gather_epi64): Ditto.
6220         (_mm_mmask_i32gather_epi64): Ditto.
6221         (_mm256_mmask_i64gather_epi32): Ditto.
6222         (_mm_mmask_i64gather_epi32): Ditto.
6223         (_mm256_mmask_i64gather_epi64): Ditto.
6224         (_mm_mmask_i64gather_epi64): Ditto.
6225         (_mm256_i32scatter_ps): Change __addr type to void*.
6226         (_mm256_mask_i32scatter_ps): Ditto.
6227         (_mm_i32scatter_ps): Ditto.
6228         (_mm_mask_i32scatter_ps): Ditto.
6229         (_mm256_i32scatter_pd): Ditto.
6230         (_mm256_mask_i32scatter_pd): Ditto.
6231         (_mm_i32scatter_pd): Ditto.
6232         (_mm_mask_i32scatter_pd): Ditto.
6233         (_mm256_i64scatter_ps): Ditto.
6234         (_mm256_mask_i64scatter_ps): Ditto.
6235         (_mm_i64scatter_ps): Ditto.
6236         (_mm_mask_i64scatter_ps): Ditto.
6237         (_mm256_i64scatter_pd): Ditto.
6238         (_mm256_mask_i64scatter_pd): Ditto.
6239         (_mm_i64scatter_pd): Ditto.
6240         (_mm_mask_i64scatter_pd): Ditto.
6241         (_mm256_i32scatter_epi32): Ditto.
6242         (_mm256_mask_i32scatter_epi32): Ditto.
6243         (_mm_i32scatter_epi32): Ditto.
6244         (_mm_mask_i32scatter_epi32): Ditto.
6245         (_mm256_i32scatter_epi64): Ditto.
6246         (_mm256_mask_i32scatter_epi64): Ditto.
6247         (_mm_i32scatter_epi64): Ditto.
6248         (_mm_mask_i32scatter_epi64): Ditto.
6249         (_mm256_i64scatter_epi32): Ditto.
6250         (_mm256_mask_i64scatter_epi32): Ditto.
6251         (_mm_i64scatter_epi32): Ditto.
6252         (_mm_mask_i64scatter_epi32): Ditto.
6253         (_mm256_i64scatter_epi64): Ditto.
6254         (_mm256_mask_i64scatter_epi64): Ditto.
6255         (_mm_i64scatter_epi64): Ditto.
6256         (_mm_mask_i64scatter_epi64): Ditto.
6257         * config/i386/i386-builtin-types.def (V16SF_V16SF_PCFLOAT_V16SI_HI_INT)
6258         (V8DF_V8DF_PCDOUBLE_V8SI_QI_INT, V8SF_V8SF_PCFLOAT_V8DI_QI_INT)
6259         (V8DF_V8DF_PCDOUBLE_V8DI_QI_INT, V16SI_V16SI_PCINT_V16SI_HI_INT)
6260         (V8DI_V8DI_PCINT64_V8SI_QI_INT, V8SI_V8SI_PCINT_V8DI_QI_INT)
6261         (V8DI_V8DI_PCINT64_V8DI_QI_INT, V2DF_V2DF_PCDOUBLE_V4SI_QI_INT)
6262         (V4DF_V4DF_PCDOUBLE_V4SI_QI_INT, V2DF_V2DF_PCDOUBLE_V2DI_QI_INT)
6263         (V4DF_V4DF_PCDOUBLE_V4DI_QI_INT, V4SF_V4SF_PCFLOAT_V4SI_QI_INT)
6264         (V8SF_V8SF_PCFLOAT_V8SI_QI_INT, V4SF_V4SF_PCFLOAT_V2DI_QI_INT)
6265         (V4SF_V4SF_PCFLOAT_V4DI_QI_INT, V2DI_V2DI_PCINT64_V4SI_QI_INT)
6266         (V4DI_V4DI_PCINT64_V4SI_QI_INT, V2DI_V2DI_PCINT64_V2DI_QI_INT)
6267         (V4DI_V4DI_PCINT64_V4DI_QI_INT, V4SI_V4SI_PCINT_V4SI_QI_INT)
6268         (V8SI_V8SI_PCINT_V8SI_QI_INT, V4SI_V4SI_PCINT_V2DI_QI_INT)
6269         (V4SI_V4SI_PCINT_V4DI_QI_INT, VOID_PFLOAT_HI_V16SI_V16SF_INT)
6270         (VOID_PFLOAT_QI_V8SI_V8SF_INT, VOID_PFLOAT_QI_V4SI_V4SF_INT)
6271         (VOID_PDOUBLE_QI_V8SI_V8DF_INT, VOID_PDOUBLE_QI_V4SI_V4DF_INT)
6272         (VOID_PDOUBLE_QI_V4SI_V2DF_INT, VOID_PFLOAT_QI_V8DI_V8SF_INT)
6273         (VOID_PFLOAT_QI_V4DI_V4SF_INT, VOID_PFLOAT_QI_V2DI_V4SF_INT)
6274         (VOID_PDOUBLE_QI_V8DI_V8DF_INT, VOID_PDOUBLE_QI_V4DI_V4DF_INT)
6275         (VOID_PDOUBLE_QI_V2DI_V2DF_INT, VOID_PINT_HI_V16SI_V16SI_INT)
6276         (VOID_PINT_QI_V8SI_V8SI_INT, VOID_PINT_QI_V4SI_V4SI_INT)
6277         (VOID_PLONGLONG_QI_V8SI_V8DI_INT, VOID_PLONGLONG_QI_V4SI_V4DI_INT)
6278         (VOID_PLONGLONG_QI_V4SI_V2DI_INT, VOID_PINT_QI_V8DI_V8SI_INT)
6279         (VOID_PINT_QI_V4DI_V4SI_INT, VOID_PINT_QI_V2DI_V4SI_INT)
6280         (VOID_PLONGLONG_QI_V8DI_V8DI_INT, VOID_QI_V8SI_PCINT64_INT_INT)
6281         (VOID_PLONGLONG_QI_V4DI_V4DI_INT, VOID_PLONGLONG_QI_V2DI_V2DI_INT)
6282         (VOID_HI_V16SI_PCINT_INT_INT, VOID_QI_V8DI_PCINT64_INT_INT)
6283         (VOID_QI_V8DI_PCINT_INT_INT): Remove.
6284         (V16SF_V16SF_PCVOID_V16SI_HI_INT,  V8DF_V8DF_PCVOID_V8SI_QI_INT)
6285         (V8SF_V8SF_PCVOID_V8DI_QI_INT, V8DF_V8DF_PCVOID_V8DI_QI_INT)
6286         (V16SI_V16SI_PCVOID_V16SI_HI_INT, V8DI_V8DI_PCVOID_V8SI_QI_INT)
6287         (V8SI_V8SI_PCVOID_V8DI_QI_INT, V8DI_V8DI_PCVOID_V8DI_QI_INT)
6288         (VOID_PVOID_HI_V16SI_V16SF_INT, VOID_PVOID_QI_V8SI_V8DF_INT)
6289         (VOID_PVOID_QI_V8DI_V8SF_INT, VOID_PVOID_QI_V8DI_V8DF_INT)
6290         (VOID_PVOID_HI_V16SI_V16SI_INT, VOID_PVOID_QI_V8SI_V8DI_INT)
6291         (VOID_PVOID_QI_V8DI_V8SI_INT, VOID_PVOID_QI_V8DI_V8DI_INT)
6292         (V2DF_V2DF_PCVOID_V4SI_QI_INT, V4DF_V4DF_PCVOID_V4SI_QI_INT)
6293         (V2DF_V2DF_PCVOID_V2DI_QI_INT, V4DF_V4DF_PCVOID_V4DI_QI_INT
6294         (V4SF_V4SF_PCVOID_V4SI_QI_INT, V8SF_V8SF_PCVOID_V8SI_QI_INT)
6295         (V4SF_V4SF_PCVOID_V2DI_QI_INT, V4SF_V4SF_PCVOID_V4DI_QI_INT)
6296         (V2DI_V2DI_PCVOID_V4SI_QI_INT, V4DI_V4DI_PCVOID_V4SI_QI_INT)
6297         (V2DI_V2DI_PCVOID_V2DI_QI_INT, V4DI_V4DI_PCVOID_V4DI_QI_INT)
6298         (V4SI_V4SI_PCVOID_V4SI_QI_INT, V8SI_V8SI_PCVOID_V8SI_QI_INT)
6299         (V4SI_V4SI_PCVOID_V2DI_QI_INT, V4SI_V4SI_PCVOID_V4DI_QI_INT)
6300         (VOID_PVOID_QI_V8SI_V8SF_INT, VOID_PVOID_QI_V4SI_V4SF_INT)
6301         (VOID_PVOID_QI_V4SI_V4DF_INT, VOID_PVOID_QI_V4SI_V2DF_INT)
6302         (VOID_PVOID_QI_V4DI_V4SF_INT, VOID_PVOID_QI_V2DI_V4SF_INT)
6303         (VOID_PVOID_QI_V4DI_V4DF_INT, VOID_PVOID_QI_V2DI_V2DF_INT)
6304         (VOID_PVOID_QI_V8SI_V8SI_INT, VOID_PVOID_QI_V4SI_V4SI_INT)
6305         (VOID_PVOID_QI_V4SI_V4DI_INT, VOID_PVOID_QI_V4SI_V2DI_INT)
6306         (VOID_PVOID_QI_V4DI_V4SI_INT, VOID_PVOID_QI_V2DI_V4SI_INT)
6307         (VOID_PVOID_QI_V4DI_V4DI_INT, VOID_PVOID_QI_V2DI_V2DI_INT)
6308         (VOID_QI_V8SI_PCVOID_INT_INT, VOID_HI_V16SI_PCVOID_INT_INT)
6309         (VOID_QI_V8DI_PCVOID_INT_INT): Add.
6310         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Adjust builtin
6311         definitions accordingly.
6313 2017-01-17  Kito Cheng  <kito.cheng@gmail.com>
6314             Kuan-Lin Chen  <kuanlinchentw@gmail.com>
6316         PR target/79079
6317         * internal-fn.c (expand_mul_overflow): Use convert_modes instead of
6318         gen_lowpart.
6320 2017-01-17  Vladimir Makarov  <vmakarov@redhat.com>
6322         PR target/79058
6323         * ira-conflicts.c (ira_build_conflicts): Update total conflict
6324         hard regs for inner regno.
6326 2017-01-17  Martin Liska  <mliska@suse.cz>
6328         PR ipa/71207
6329         * ipa-polymorphic-call.c (contains_type_p): Fix wrong
6330         assumption and add comment.
6332 2017-01-17  Nathan Sidwell  <nathan@acm.org>
6334         * ipa-visibility.c (localize_node): New function, broken out of ...
6335         (function_and_variable_visibility): ... here. Call it.
6337 2017-01-17  Jan Hubicka  <hubicka@ucw.cz>
6339         PR middle-end/77445
6340         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges):
6341         correctly set frequency of oudgoing edge.
6342         (duplicate_thread_path): Fix profile updating.
6344 2017-01-17  Jakub Jelinek  <jakub@redhat.com>
6346         PR other/79046
6347         * configure.ac: Add GCC_BASE_VER.
6348         * Makefile.in (version): Use @get_gcc_base_ver@ instead of cat to get
6349         version from BASE-VER file.
6350         (CFLAGS-gcc.o): Add -DBASEVER=$(BASEVER_s).
6351         (gcc.o): Depend on $(BASEVER).
6352         * common.opt (dumpfullversion): New option.
6353         * gcc.c (driver_handle_option): Handle OPT_dumpfullversion.
6354         * doc/invoke.texi: Document -dumpfullversion.
6355         * doc/install.texi: Document --with-gcc-major-version-only.
6356         * configure: Regenerated.
6358 2017-01-17  Richard Biener  <rguenther@suse.de>
6360         PR tree-optimization/71433
6361         * tree-vrp.c (register_new_assert_for): Merge same asserts
6362         on all incoming edges.
6363         (process_assert_insertions_for): Handle insertions at the
6364         beginning of BBs.
6366 2017-01-17  Gerald Pfeifer  <gerald@pfeifer.com>
6368         * config/i386/cygwin.h (LIBGCJ_SONAME): Remove.
6369         * config/i386/mingw32.h (LIBGCJ_SONAME): Remove.
6371 2017-01-17  Kaz Kojima  <kkojima@gcc.gnu.org>
6373         PR target/78633
6374         * config/sh/sh.md (cmpeqsi_t+1): Call copy_rtx to avoid invalid
6375         RTL sharing.
6377 2017-01-17  Alan Modra  <amodra@gmail.com>
6379         PR target/79066
6380         * config/rs6000/rs6000.md (elf_high, elf_low): Disable when pic.
6381         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Don't allow
6382         symbolic stack limit when pic.
6384 2017-01-16  Martin Sebor  <msebor@redhat.com>
6386         PR tree-optimization/78608
6387         * gimple-ssa-sprintf.c (tree_digits): Avoid negating TYPE_MIN.
6389 2017-01-16  Jeff Law  <law@redhat.com>
6391         Revert:
6392         2016-12-02  Tadek Kijkowski  <tkijkowski@gmail.com>
6393         * Makefile.in (PREPROCESSOR_DEFINES): Add a level of indirection
6394         for several include directories that may be relative to sysroot.
6395         * config/i386/x-mingw32 (gplus_includedir): Define.
6396         (gplus_tool_includedir, gplus_backward_include_dir): Likewise.
6397         (native_system_includedir): Likewise.
6398         * config/i386/mingw32.h (STANDARD_STARTFILE_PREFIX_1): Do not
6399         override if TARGET_SYSTEM_ROOT is defined.
6400         (NATIVE_SYSTEM_HEADER_DIR): Likewise.
6402         PR tree-optimization/79090
6403         PR tree-optimization/33562
6404         PR tree-optimization/61912
6405         PR tree-optimization/77485
6406         * tree-ssa-dse.c (compute_trims): Accept STMT argument.  Dump STMT
6407         and computed trims into the dump file.
6409 2017-01-17  Uros Bizjak  <ubizjak@gmail.com>
6411         * config/i386/i386.h (LIMIT_RELOAD_CLASS): Remove.
6413 2017-01-16  Jakub Jelinek  <jakub@redhat.com>
6415         PR c/79089
6416         * gimplify.c (gimplify_init_constructor): If want_value and
6417         object == lhs, unshare lhs to avoid invalid tree sharing.  Formatting
6418         fix.
6420         PR target/79080
6421         * loop-doloop.c (doloop_modify): Call unshare_all_rtl_in_chain on
6422         sequence.  Formatting fixes.
6423         (doloop_optimize): Formatting fixes.
6425         PR driver/49726
6426         * gcc.c (debug_level_greater_than_spec_func): New function.
6427         (static_spec_functions): Add debug-level-gt spec function.
6428         (ASM_DEBUG_SPEC, cpp_options): Use %:debug-level-gt(0) instead of
6429         !g0.
6430         * config/darwin.h (DSYMUTIL_SPEC, ASM_DEBUG_SPEC): Likewise.
6431         * config/darwin9.h (DSYMUTIL_SPEC, ASM_DEBUG_SPEC): Likewise.
6432         * common.opt (g, gcoff, gdwarf, gdwarf-, ggdb, gno-pubnames,
6433         gpubnames, ggnu-pubnames, gno-record-gcc-switches,
6434         grecord-gcc-switches, gno-strict-dwarf, gstrict-dwarf, gstabs,
6435         gstabs+, gtoggle, gvms, gxcoff, gxcoff+): Add Driver flag.
6437 2017-01-16  Uros Bizjak  <ubizjak@gmail.com>
6439         * config/i386/i386.h (HARD_REGNO_CALLER_SAVE_MODE): Apply HImode and
6440         QImode fixups to general and mask registers only.
6442 2017-01-16  Carl Love  <cel@us.ibm.com>
6444         * config/rs6000/rs6000-c (altivec_overloaded_builtins): Add support
6445         for built-in functions
6446         vector signed char vec_nabs (vector signed char)
6447         vector signed short vec_nabs (vector signed short)
6448         vector signed int vec_nabs (vector signed int)
6449         vector signed long long vec_nabs (vector signed long long)
6450         vector float vec_nabs (vector float)
6451         vector double vec_nabs (vector double)
6452         * config/rs6000/rs6000-builtin.def: Add definitions for NABS functions
6453         and NABS overload.
6454         * config/rs6000/altivec.md: New define_expand nabs<mode>2 types
6455         * config/rs6000/altivec.h: New define for vec_nabs built-in function.
6456         * doc/extend.texi: Update the documentation file for the new built-in
6457         functions.
6459 2017-01-16  Martin Sebor  <msebor@redhat.com>
6461         * gimple-ssa-sprintf.c (format_directive): Correct a typo in a warning
6462         message.
6464 2017-01-16  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
6466         * config/rs6000/rs6000.c (rtx_is_swappable_p): Change
6467         UNSPEC_VSX__XXSPLTD to require special splat handling.
6469 2017-01-16  David Malcolm  <dmalcolm@redhat.com>
6471         PR bootstrap/78616
6472         * system.h: Poison strndup.
6474 2017-01-16  Alan Modra  <amodra@gmail.com>
6476         PR target/79098
6477         * config/rs6000/rs6000.c (rs6000_legitimate_combined_insn): Don't
6478         use a switch.
6480 2017-01-16  Georg-Johann Lay  <avr@gjlay.de>
6482         * config/avr/avr.h (BRANCH_COST) [reload_completed]: Increase by 4.
6484 2017-01-15  Uros Bizjak  <ubizjak@gmail.com>
6486         * config/i386/i386.c (ix86_legitimate_combined_insn): Do not
6487         call recog here.  Assert that INSN_CODE (insn) is non-negative.
6489 2017-01-15  Segher Boessenkool  <segher@kernel.crashing.org>
6491         PR target/72749
6492         * cfgrtl.c (rtl_split_edge): Also patch jump insns that jump to the
6493         fallthrough.
6494         * haifa-sched.c (dump_insn_stream): Don't crash if there is a label
6495         in the currently scheduled RTL fragment.
6497 2017-01-15  Segher Boessenkool  <segher@kernel.crashing.org>
6499         PR rtl-optimization/78751
6500         * ifcvt.c (find_cond_trap): If we generated a non-existing insn,
6501         give up.
6503 2017-01-14  Jeff Law  <law@redhat.com>
6505         PR tree-optimization/79090
6506         * tree-ssa-dse.c (valid_ao_ref_for_dse): Reject zero length and
6507         variable length stores.
6508         (compute_trims): Delete dead assignment to *trim_tail.
6509         (dse_dom_walker::dse_optimize_stmt): Optimize mem* calls with
6510         zero length.
6512 2017-01-14  Bernd Schmidt  <bschmidt@redhat.com>
6514         PR rtl-optimization/78626
6515         PR rtl-optimization/78727
6516         * cprop.c (one_cprop_pass): Collect unconditional traps in the middle
6517         of a block, and split such blocks after everything else is finished.
6519 2017-01-14  Alan Modra  <amodra@gmail.com>
6521         PR target/72749
6522         * combine.c (recog_for_combine_1): Set INSN_CODE before calling
6523         target legitimate_combined_insn.
6524         * config/rs6000/rs6000.c (TARGET_LEGITIMATE_COMBINED_INSN): Define.
6525         (rs6000_legitimate_combined_insn): New function.
6526         * config/rs6000/rs6000.md (UNSPEC_DOLOOP): Delete, and remove
6527         all uses.
6528         (ctr<mode>_internal3): Rename from *ctr<mode>_internal5.
6529         (ctr<mode>_internal4): Rename from *ctr<mode>_internal6.
6530         (ctr<mode>_internal1, ctr<mode>_internal2): Remove '*' from name.
6532 2017-01-14  Gerald Pfeifer  <gerald@pfeifer.com>
6534         * doc/frontends.texi (G++ and GCC): Remove references to Java.
6536 2017-01-13  Jeff Law  <law@redhat.com>
6538         PR tree-optimization/33562
6539         PR tree-optimization/61912
6540         PR tree-optimization/77485
6541         * tree-ssa-dse.c (delete_dead_call): Accept gsi rather than
6542         a statement.
6543         (delete_dead_assignment): Likewise.
6544         (dse_dom_walker::dse_optimize_stmt): Pass in the gsi rather than
6545         statement to delete_dead_call and delete_dead_assignment.
6547 2017-01-13  David Malcolm  <dmalcolm@redhat.com>
6549         PR c/78304
6550         * substring-locations.c (format_warning_va): Strengthen case 1 so
6551         that both endpoints of the substring must be within the format
6552         range for just the substring to be printed.
6554 2017-01-13  Uros Bizjak  <ubizjak@gmail.com>
6556         * config/i386/i386.opt (msgx): Use ix86_isa_flags2 variable.
6557         * config/i386/i386.c (ix86_target_string): Add missing options
6558         to isa_opts and reorder options by implied ISAs.  Rename isa_opts2 to
6559         isa2_opts, ix86_flag_opts to flag2_opts, ix86_target_other to
6560         flags_other and ix86_target_other to flags2_other.  Display unknown
6561         isa2 options.
6562         (ix86_valid_target_attribute_inner_p): Add missing options and
6563         reorder options by implied ISAs, as in ix86_target_string.
6565 2017-01-13  Richard Sandiford  <richard.sandiford@arm.com>
6567         * hash-table.h (hash_table::too_empty_p): New function.
6568         (hash_table::expand): Use it.
6569         (hash_table::traverse): Likewise.
6570         (hash_table::empty_slot): Use sizeof (value_type) instead of
6571         sizeof (PTR) to convert bytes to elements.  Shrink the table
6572         if the current size is excessive for the current number of
6573         elements.
6575 2017-01-13  Richard Sandiford  <richard.sandiford@arm.com>
6577         * ira-costs.c (record_reg_classes): Break from the inner loop
6578         early once alt_fail is known to be true.  Update outer loop
6579         handling accordingly.
6581 2017-01-13  Jeff Law  <law@redhat.com>
6583         * tree-ssa-dse.c (decrement_count): New function.
6584         (increment_start_addr, maybe_trim_memstar_call): Likewise.
6585         (dse_dom_walker::optimize_stmt): Call maybe_trim_memstar_call directly
6586         when we know the partially dead statement is a mem* function.
6588         PR tree-optimization/61912
6589         PR tree-optimization/77485
6590         * tree-ssa-dse.c: Include expr.h.
6591         (maybe_trim_constructor_store): New function.
6592         (maybe_trim_partially_dead_store): Call maybe_trim_constructor_store.
6594         PR tree-optimization/33562
6595         PR tree-optimization/61912
6596         PR tree-optimization/77485
6597         * doc/invoke.texi: Document new dse-max-object-size param.
6598         * params.def (PARM_DSE_MAX_OBJECT_SIZE): New PARAM.
6599         * tree-ssa-dse.c: Include params.h.
6600         (dse_store_status): New enum.
6601         (initialize_ao_ref_for_dse): New, partially extracted from
6602         dse_optimize_stmt.
6603         (valid_ao_ref_for_dse, normalize_ref): New.
6604         (setup_live_bytes_from_ref, compute_trims): Likewise.
6605         (clear_bytes_written_by, maybe_trim_complex_store): Likewise.
6606         (maybe_trim_partially_dead_store): Likewise.
6607         (maybe_trim_complex_store): Likewise.
6608         (dse_classify_store): Renamed from dse_possibly_dead_store_p.
6609         Track what bytes live from the original store.  Return tri-state
6610         for dead, partially dead or live.
6611         (dse_dom_walker): Add constructor, destructor and new private members.
6612         (delete_dead_call, delete_dead_assignment): New extracted from
6613         dse_optimize_stmt.
6614         (dse_optimize_stmt): Make a member of dse_dom_walker.
6615         Use initialize_ao_ref_for_dse.
6617         PR tree-optimization/33562
6618         PR tree-optimization/61912
6619         PR tree-optimization/77485
6620         * sbitmap.h (bitmap_count_bits): Prototype.
6621         (bitmap_clear_range, bitmap_set_range): Likewise.
6622         * sbitmap.c (bitmap_clear_range): New function.
6623         (bitmap_set_range, sbitmap_popcount, bitmap_count_bits): Likewise.
6625 2017-01-13  Martin Liska  <mliska@suse.cz>
6627         PR ipa/79043
6628         * function.c (set_cfun): Add new argument force.
6629         * function.h (set_cfun): Likewise.
6630         * ipa-inline-transform.c (inline_call): Use the function when
6631         strict alising from is dropped for function we inline to.
6633 2017-01-13  Richard Biener  <rguenther@suse.de>
6635         * tree-pretty-print.c (dump_generic_node): Fix inverted condition
6636         for dumping GIMPLE INTEGER_CSTs.
6638 2017-01-13  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
6640         * config/sol2.h (TARGET_OS_CPP_BUILTINS): Define __STDC_VERSION__
6641         to 201112L since C++17.
6643 2017-01-13  Maxim Ostapenko  <m.ostapenko@samsung.com>
6645         PR sanitizer/78887
6646         * asan.c (asan_needs_odr_indicator_p): Don't emit ODR indicators
6647         if -fsanitize=kernel-address is present.
6649 2017-01-13  Richard Biener  <rguenther@suse.de>
6651         * tree-pretty-print.c (dump_generic_node): Dump INTEGER_CSTs
6652         as _Literal ( type ) number in case usual suffixes do not
6653         preserve all information.
6655 2017-01-13  Richard Biener  <rguenther@suse.de>
6657         PR tree-optimization/77283
6658         * gimple-ssa-split-paths.c: Include gimple-ssa.h, tree-phinodes.h
6659         and ssa-iterators.h.
6660         (is_feasible_trace): Implement a cost model based on joiner
6661         PHI node uses.
6663 2017-01-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
6665         PR target/79004
6666         * config/rs6000/rs6000.md (FP_ISA3): Do not optimize converting
6667         char or short to __float128/_Float128 directly.
6669 2017-01-12  Martin Sebor  <msebor@redhat.com>
6671         to -Wformat-overflow.
6672         * gimple-ssa-sprintf.c (pass_sprintf_length::gate): Adjust.
6673         (min_bytes_remaining): Same.
6674         (get_string_length): Same.
6675         (format_string): Same.
6676         (format_directive): Same.
6677         (add_bytes): Same.
6678         (pass_sprintf_length::handle_gimple_call): Same.
6680 2017-01-12  Jakub Jelinek  <jakub@redhat.com>
6682         * gimple-ssa-sprintf.c (try_substitute_return_value): Remove
6683         info.nowrite calls with no lhs that can't throw.  Return bool
6684         whether gsi_remove has been called or not.
6685         (pass_sprintf_length::handle_gimple_call): Return bool whether
6686         try_substitute_return_value called gsi_remove.  Formatting fix.
6687         (pass_sprintf_length::execute): Don't use gsi_remove if
6688         handle_gimple_call returned true.
6690         PR bootstrap/79069
6691         * cfgrtl.c (rtl_tidy_fallthru_edge): For any_uncondjump_p that can't
6692         be removed due to side-effects, don't remove following barrier nor
6693         turn the successor edge into fallthru edge.
6695 2017-01-12  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
6697         PR target/79044
6698         * config/rs6000/rs6000.c (insn_is_swappable_p): Mark
6699         element-reversing loads and stores as not swappable.
6701 2017-01-12  Nathan Sidwell  <nathan@acm.org>
6702             Nicolai Stange  <nicstange@gmail.com>
6704         * combine.c (try_combine): Don't ignore result of overlap checking
6705         loop.  Combine overlap & asm check into single loop.
6707 2017-01-12  Richard Biener  <rguenther@suse.de>
6709         * tree-pretty-print.c (dump_generic_node): Provide -gimple
6710         variant for MEM_REF.  Sanitize INTEGER_CST for -gimple.
6712 2017-01-12  Richard Biener  <rguenther@suse.de>
6714         * tree.c (initialize_tree_contains_struct): Make TS_OPTIMIZATION
6715         and TS_TARGET_OPTION directly derive from TS_BASE.
6716         * tree-core.h (tree_optimization_option): Derive from tree_base.
6717         (tree_target_option): Likewise.
6719 2017-01-11  Uros Bizjak  <ubizjak@gmail.com>
6721         * config/i386/i386.c (memory_address_length): Increase len
6722         only when rip_relative_addr_p returns false.
6724 2017-01-11  Julia Koval  <julia.koval@intel.com>
6726         * common/config/i386/i386-common.c (OPTION_MASK_ISA_SGX_UNSET): New.
6727         (OPTION_MASK_ISA_SGX_SET): New.
6728         (ix86_handle_option): Handle OPT_msgx.
6729         * config.gcc: Added sgxintrin.h.
6730         * config/i386/driver-i386.c (host_detect_local_cpu): Detect sgx.
6731         * config/i386/i386-c.c (ix86_target_macros_internal): Define __SGX__.
6732         * config/i386/i386.c (ix86_target_string): Add -msgx.
6733         (PTA_SGX): New.
6734         (ix86_option_override_internal): Handle new options.
6735         (ix86_valid_target_attribute_inner_p): Add sgx.
6736         * config/i386/i386.h (TARGET_SGX, TARGET_SGX_P): New.
6737         * config/i386/i386.opt: Add msgx.
6738         * config/i386/sgxintrin.h: New file.
6739         * config/i386/x86intrin.h: Add sgxintrin.h.
6741 2017-01-11  Jakub Jelinek  <jakub@redhat.com>
6743         PR c++/71537
6744         * fold-const.c (maybe_nonzero_address): Return 1 for function
6745         local objects.
6746         (tree_single_nonzero_warnv_p): Don't handle function local objects
6747         here.
6749         PR c++/72813
6750         * gcc.c (default_compilers): Don't add -o %g.s for -S -save-temps
6751         of c-header.
6753 2017-01-11  David Malcolm  <dmalcolm@redhat.com>
6755         PR driver/78877
6756         * opts.c: Include "spellcheck.h"
6757         (struct string_fragment): New struct.
6758         (struct edit_distance_traits<const string_fragment &>): New
6759         struct.
6760         (get_closest_sanitizer_option): New function.
6761         (parse_sanitizer_options): Offer suggestions for unrecognized arguments.
6763 2017-01-11  Jakub Jelinek  <jakub@redhat.com>
6765         * dwarf2out.c (DWARF_COMPILE_UNIT_HEADER_SIZE): For DWARF5 decrease
6766         by 12.
6767         (DWARF_COMDAT_TYPE_UNIT_HEADER_SIZE): Always
6768         DWARF_COMPILE_UNIT_HEADER_SIZE plus 12.
6769         (DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE): Define.
6770         (calc_base_type_die_sizes): Use DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE
6771         for initial die_offset if dwarf_split_debug_info.
6772         (output_comp_unit): Use DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE for
6773         initial next_die_offset if dwo_id is non-NULL.  Don't emit padding
6774         fields.
6775         (output_skeleton_debug_sections): Formatting fix.  Use
6776         DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE instead of
6777         DWARF_COMPILE_UNIT_HEADER_SIZE.  Don't emit padding.
6779 2017-01-11  Wilco Dijkstra  <wdijkstr@arm.com>
6781         * config/arm/cortex-a53.md: Add bypasses for
6782         cortex_a53_r2f_cvt.
6783         (cortex_a53_r2f): Only use for transfers.
6784         (cortex_a53_f2r): Likewise.
6785         (cortex_a53_r2f_cvt): Add reservation for conversions.
6786         (cortex_a53_f2r_cvt): Likewise.
6788 2017-01-11  Tamar Christina  <tamar.christina@arm.com>
6790         * config/arm/arm_neon.h: Add __artificial__ and gnu_inline
6791         to all inlined functions, change static to extern.
6793 2017-01-11  Christophe Lyon  <christophe.lyon@linaro.org>
6795         PR target/78253
6796         * config/arm/arm.c (legitimize_pic_address): Handle reference to
6797         weak symbol.
6798         (arm_assemble_integer): Likewise.
6800 2017-01-11  Richard Earnshaw  <rearnsha@arm.com>
6802         * config.gcc: Use new awk script to check CPU, FPU and architecture
6803         parameters for --with-... options.
6804         * config/arm/parsecpu.awk: New file
6805         * config/arm/arm-cpus.in: New file.
6806         * config/arm/arm-opts.h: Include arm-cpu.h instead of processing .def
6807         files.
6808         * config/arm/arm.c: Include arm-cpu-data.h instead of processing .def
6809         files.
6810         * config/arm/t-arm: Update dependency rules.
6811         * common/config/arm/arm-common.c: Include arm-cpu-cdata.h instead
6812         of processing .def files.
6813         * config/arm/genopt.sh: Deleted.
6814         * config/arm/gentune.sh: Deleted.
6815         * config/arm/arm-cores.def: Deleted.
6816         * config/arm/arm-arches.def: Deleted.
6817         * config/arm/arm-fpus.def: Deleted.
6818         * config/arm/arm-tune.md: Regenerated.
6819         * config/arm/arm-tables.opt: Regenerated.
6820         * config/arm/arm-cpu.h: New generated file.
6821         * config/arm/arm-cpu-data.h: New generated file.
6822         * config/arm/arm-cpu-cdata.h: New generated file.
6824 2017-01-11  Maxim Ostapenko  <m.ostapenko@samsung.com>
6826         PR lto/79042
6827         * lto-cgraph.c (lto_output_varpool_node): Pack dynamically_initialized
6828         bit.
6829         (input_varpool_node): Unpack dynamically_initialized bit.
6831 2017-01-11  Eric Botcazou  <ebotcazou@adacore.com>
6833         PR rtl-optimization/79032
6834         * lra-constraints.c (simplify_operand_subreg): In the MEM case, test
6835         the alignment of the adjusted memory reference against that of MODE,
6836         instead of the alignment of the original memory reference.
6838 2017-01-11  Martin Jambor  <mjambor@suse.cz>
6840         * hsa.c (hsa_callable_function_p): Revert addition of DECL_ARTIFICIAL
6841         test.
6842         * ipa-hsa.c (process_hsa_functions): Only duplicate non-artificial
6843         decorated functions.
6845 2017-01-11  Richard Biener  <rguenther@suse.de>
6847         * tree-vrp.c (evrp_dom_walker::before_dom_children): Also
6848         set range/nonnull info for PHI results.  Do not set it on
6849         stmts marked for removal.
6851 2017-01-10  Eric Botcazou  <ebotcazou@adacore.com>
6853         * expr.c (store_field): In the bitfield case, fetch the return value
6854         from the registers before applying a single big-endian adjustment.
6855         Always do a final load for a BLKmode value not larger than a word.
6857 2017-01-10  David Malcolm  <dmalcolm@redhat.com>
6859         PR c++/77949
6860         * input.c (selftest::test_accessing_ordinary_linemaps): Verify
6861         that we correctly handle column numbers greater than
6862         LINE_MAP_MAX_COLUMN_NUMBER.
6864 2017-01-10  Martin Sebor  <msebor@redhat.com>
6866         PR middle-end/78245
6867         * gimple-ssa-sprintf.c (get_destination_size): Call
6868         {init,fini}object_sizes.
6869         * tree-object-size.c (addr_object_size): Adjust.
6870         (pass_through_call): Adjust.
6871         (pass_object_sizes::execute): Adjust.
6872         * tree-object-size.h (fini_object_sizes): Declare.
6874 2017-01-10  Martin Sebor  <msebor@redhat.com>
6876         PR tree-optimization/78775
6877         * builtins.c (get_size_range): Move...
6878         * calls.c: ...to here.
6879         (alloc_max_size): Accept zero argument.
6880         (operand_signed_p): Remove.
6881         (maybe_warn_alloc_args_overflow): Call get_size_range.
6882         * calls.h (get_size_range): Declare.
6884 2017-01-10  Joe Seymour  <joe.s@somniumtech.com>
6886         * config/msp430/driver-msp430.c (msp430_mcu_data): Sync with data
6887         from TI's devices.csv file as of September 2016.
6888         * config/msp430/msp430.c (msp430_mcu_data): Likewise.
6890 2017-01-10  Sandra Loosemore  <sandra@codesourcery.com>
6892         * doc/extend.texi: Tweak formatting to fix overfull hbox warnings.
6893         * doc/invoke.texi: Likewise.
6894         * doc/md.texi: Likewise.
6895         * doc/objc.texi: Likewise.
6897 2017-01-10  Joshua Conner  <joshconner@google.com>
6899         * config/arm/fuchsia-elf.h: New file.
6900         * config/fuchsia.h: New file.
6901         * config.gcc (*-*-fuchsia*): Set native_system_header_dir.
6902         (aarch64*-*-fuchsia*, arm*-*-fuchsia*, x86_64-*-fuchsia*): Add to
6903         targets.
6904         * config.host: (aarch64*-*-fuchsia*, arm*-*-fuchsia*): Add to hosts.
6906 2016-01-10  Richard Biener  <rguenther@suse.de>
6908         PR tree-optimization/79034
6909         * tree-call-cdce.c (shrink_wrap_one_built_in_call_with_conds):
6910         Propagate out degenerate PHIs in the joiner.
6912 2017-01-10  Martin Liska  <mliska@suse.cz>
6914         * ipa-icf.c (sort_sem_items_by_decl_uid): New function.
6915         (sort_congruence_classes_by_decl_uid): Likewise.
6916         (sort_congruence_class_groups_by_decl_uid): Likewise.
6917         (sem_item_optimizer::merge_classes): Sort class, groups in these
6918         classes and members in the groups by DECL_UID of declarations.
6919         This would make merge operations stable.
6921 2017-01-10  Martin Liska  <mliska@suse.cz>
6923         * ipa-icf.c (sem_item_optimizer::sem_item_optimizer): Remove
6924         usage of m_classes_vec.
6925         (sem_item_optimizer::~sem_item_optimizer):  Likewise.
6926         (sem_item_optimizer::get_group_by_hash): Likewise.
6927         (sem_item_optimizer::subdivide_classes_by_equality): Likewise.
6928         (sem_item_optimizer::subdivide_classes_by_sensitive_refs): Likewise.
6929         (sem_item_optimizer::verify_classes): Likewise.
6930         (sem_item_optimizer::process_cong_reduction): Likewise.
6931         (sem_item_optimizer::dump_cong_classes): Likewise.
6932         (sem_item_optimizer::merge_classes): Likewise.
6933         * ipa-icf.h (congruence_class_hash): Rename from
6934         congruence_class_group_hash.  Remove declaration of m_classes_vec.
6936 2017-01-10  Andrew Senkevich  <andrew.senkevich@intel.com>
6938         * common/config/i386/i386-common.c (OPTION_MASK_ISA_AVX512VPOPCNTDQ_SET,
6939         OPTION_MASK_ISA_AVX512VPOPCNTDQ_UNSET): New.
6940         * config.gcc: Add avx512vpopcntdqintrin.h.
6941         * config/i386/avx512vpopcntdqintrin.h: New.
6942         * config/i386/cpuid.h (bit_AVX512VPOPCNTDQ): New.
6943         * config/i386/i386-builtin-types.def: Add new types.
6944         * config/i386/i386-builtin.def (__builtin_ia32_vpopcountd_v16si,
6945         __builtin_ia32_vpopcountd_v16si_mask, __builtin_ia32_vpopcountq_v8di,
6946         __builtin_ia32_vpopcountq_v8di_mask): New.
6947         * config/i386/i386-c.c (ix86_target_macros_internal): Define
6948         __AVX512VPOPCNTDQ__.
6949         * config/i386/i386.c (ix86_target_string): Add -mavx512vpopcntdq.
6950         (PTA_AVX512VPOPCNTDQ): Define.
6951         * config/i386/i386.h (TARGET_AVX512VPOPCNTDQ,
6952         TARGET_AVX512VPOPCNTDQ_P): Define.
6953         * config/i386/i386.opt: Add mavx512vpopcntdq.
6954         * config/i386/immintrin.h: Include avx512vpopcntdqintrin.h.
6955         * config/i386/sse.md (define_insn "vpopcount<mode><mask_name>"): New.
6957 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
6959         PR middle-end/77484
6960         * predict.def (PRED_CALL): Set to 67.
6962 2017-01-09  Eric Botcazou  <ebotcazou@adacore.com>
6964         * expr.c (store_field): In the bitfield case, if the value comes from
6965         a function call and is of an aggregate type returned in registers, do
6966         not modify the field mode; extract the value in all cases if the mode
6967         is BLKmode and the size is not larger than a word.
6969 2017-01-09  Dominique d'Humieres  <dominiq@lps.ens.fr>
6971         PR target/71017
6972         * config/i386/cpuid.h: Fix undefined behavior.
6974 2017-01-04  Jeff Law  <law@redhat.com>
6976         PR tree-optimization/79007
6977         PR tree-optimization/67955
6978         * tree-ssa-alias.c (same_addr_size_stores_p): Only need to be
6979         conservative for pt.null when flag_non_call_exceptions is on.
6981 2017-01-09  Jakub Jelinek  <jakub@redhat.com>
6983         PR translation/79019
6984         PR translation/79020
6985         * params.def (PARAM_INLINE_MIN_SPEEDUP,
6986         PARAM_IPA_CP_SINGLE_CALL_PENALTY,
6987         PARAM_USE_AFTER_SCOPE_DIRECT_EMISSION_THRESHOLD): Fix typos
6988         in descriptions.
6989         * config/avr/avr.opt (maccumulate-args): Likewise.
6990         * config/msp430/msp430.opt (mwarn-mcu): Likewise.
6991         * common.opt (freport-bug): Likewise.
6992         * cif-code.def (CIF_FINAL_ERROR): Likewise.
6993         * doc/invoke.texi (ipa-cp-single-call-penalty): Likewise.
6994         * config/s390/s390.c (s390_invalid_binary_op): Fix spelling in
6995         translatable string.
6996         * config/i386/i386.c (function_value_32): Likewise.
6997         * config/nios2/nios2.c (nios2_valid_target_attribute_rec): Likewise.
6998         * config/msp430/msp430.c (msp430_option_override, msp430_attr):
6999         Likewise.
7000         * config/msp430/driver-msp430.c (msp430_select_hwmult_lib): Likewise.
7001         * common/config/msp430/msp430-common.c (msp430_handle_option):
7002         Likewise.
7003         * symtab.c (symtab_node::verify_base): Likewise.
7004         * opts.c (set_debug_level): Likewise.
7005         * tree.c (verify_type_variant): Likewise.  Fix typo in comment.
7006         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Add
7007         missing whitespace to translatable strings.
7008         * config/avr/avr.md (bswapsi2): Fix typo in comment.
7009         * config/sh/superh.h: Likewise.
7010         * config/i386/xopintrin.h: Likewise.
7011         * config/i386/znver1.md: Likewise.
7012         * config/rs6000/rs6000.c (struct rs6000_opt_mask): Likewise.
7013         * ipa-inline-analysis.c (compute_inline_parameters): Likewise.
7014         * double-int.h (struct double_int): Likewise.
7015         * double-int.c (div_and_round_double): Likewise.
7016         * wide-int.cc: Likewise.
7017         * tree-ssa.c (non_rewritable_mem_ref_base): Likewise.
7018         * tree-ssa-sccvn.c (vn_reference_lookup_3): Likewise.
7019         * cfgcleanup.c (crossjumps_occured): Renamed to ...
7020         (crossjumps_occurred): ... this.
7021         (try_crossjump_bb, try_head_merge_bb, try_optimize_cfg, cleanup_cfg):
7022         Adjust all uses.
7024         PR tree-optimization/78899
7025         * tree-if-conv.c (version_loop_for_if_conversion): Instead of
7026         returning bool return struct loop *, NULL for failure and the new
7027         loop on success.
7028         (versionable_outer_loop_p): Don't version outer loop if it has
7029         dont_vectorized bit set.
7030         (tree_if_conversion): When versioning outer loop, ensure
7031         tree_if_conversion is performed also on the inner loop of the
7032         non-vectorizable outer loop copy.
7033         * tree-vectorizer.c (set_uid_loop_bbs): Formatting fix.  Fold
7034         LOOP_VECTORIZED in inner loop of the scalar outer loop and
7035         prevent vectorization of it.
7036         (vectorize_loops): For outer + inner LOOP_VECTORIZED, ensure
7037         the outer loop vectorization of the non-scalar version is attempted
7038         before vectorization of the inner loop in scalar version.  If
7039         outer LOOP_VECTORIZED guarded loop is not vectorized, prevent
7040         vectorization of its inner loop.
7041         * tree-vect-loop-manip.c (rename_variables_in_bb): If outer_loop
7042         has 2 inner loops, rename also on edges from bb whose single pred
7043         is outer_loop->header.  Fix typo in function comment.
7045 2017-01-09  Martin Sebor  <msebor@redhat.com>
7047         PR bootstrap/79033
7048         * asan.c (asan_emit_stack_protection): Increase local buffer size
7049         to avoid snprintf truncation warning.
7051 2017-01-09  Andrew Pinski  <apinski@cavium.com>
7053         * config/aarch64/aarch64-cores.def: Add thunderx2t99.  Change vulcan
7054         to reference thunderx2t99 for the tuning structure
7055         * config/aarch64/aarch64-cost-tables.h (vulcan_extra_costs):
7056         Rename to ...
7057         (thunderx2t99_extra_costs): This.
7058         * config/aarch64/aarch64-tune.md: Regenerate.
7059         * config/aarch64/aarch64.c (vulcan_addrcost_table): Rename to ...
7060         (vulcan_addrcost_table): This.
7061         (vulcan_regmove_cost): Rename to ...
7062         (thunderx2t99_regmove_cost): This.
7063         (vulcan_vector_cost): Rename to ...
7064         (thunderx2t99_vector_cost): this.
7065         (vulcan_branch_cost): Rename to ...
7066         (thunderx2t99_branch_cost): This.
7067         (vulcan_tunings): Rename to ...
7068         (thunderx2t99_tunings): This and s/vulcan/thunderx2t99 .
7069         * doc/invoke.texi (AARCH64/mtune): Add thunderx2t99.
7071 2017-01-09  Martin Jambor  <mjambor@suse.cz>
7073         PR ipa/78365
7074         PR ipa/78599
7075         * ipa-prop.h (ipa_jump_func): Swap positions of vr_known and m_vr.
7076         * ipa-cp.c (ipa_vr_operation_and_type_effects): New function.
7077         (propagate_vr_accross_jump_function): Use the above function for all
7078         value range computations for pass-through jump functions and type
7079         converasion from explicit value range values.
7080         (ipcp_propagate_stage): Do not attempt to deduce types of formal
7081         parameters from TYPE_ARG_TYPES.
7082         * ipa-prop.c (ipa_write_jump_function): Remove trailing whitespace.
7083         (ipa_write_node_info): Stream type of the actual argument.
7084         (ipa_read_node_info): Likewise. Also remove trailing whitespace.
7086 2017-01-09  Martin Liska  <mliska@suse.cz>
7088         PR pch/78970
7089         * gcc.c (driver_handle_option): Handle OPT_E and set have_E.
7090         (lookup_compiler): Do not show error message with have_E.
7092 2017-01-09  Jakub Jelinek  <jakub@redhat.com>
7094         PR tree-optimization/78938
7095         * tree-vect-stmts.c (vectorizable_condition): For non-masked COND_EXPR
7096         where comp_vectype is VECTOR_BOOLEAN_TYPE_P, use
7097         BIT_{NOT,XOR,AND,IOR}_EXPR on the comparison operands instead of
7098         {EQ,NE,GE,GT,LE,LT}_EXPR directly inside of VEC_COND_EXPR.  Formatting
7099         fixes.
7101 2017-01-09  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7103         * tree-ssa-address.c (gen_addr_rtx): Don't handle index if it
7104         is const0_rtx.
7106 2017-01-09  Richard Biener  <rguenther@suse.de>
7108         PR tree-optimization/78997
7109         * tree-vect-slp.c (vect_mask_constant_operand_p): Handle SSA
7110         name condition properly.
7112 2017-01-09  Richard Biener  <rguenther@suse.de>
7114         PR debug/79000
7115         * dwarf2out.c (is_cxx): New overload with context.
7116         (is_naming_typedef_decl): Use it.
7118 2017-01-08  Sandra Loosemore  <sandra@codesourcery.com>
7120         * invoke.texi (Option Summary): Correct spacing in option lists
7121         and add line breaks to fix over-long lines.
7123 2017-01-08  Sandra Loosemore  <sandra@codesourcery.com>
7125         PR middle-end/17660
7127         * extend.texi (Common Variable Attributes): Add xref to GCC
7128         Internals manual to explain mode attribute keywords.
7130 2017-01-08  Sandra Loosemore  <sandra@codesourcery.com>
7132         PR other/16519
7133         * doc/invoke.texi (Option Summary): Move -pthread to Linker Options
7134         and Preprocessor Options.
7135         (Options for Linking): Document -pthread here....
7136         (RS/6000 and PowerPC Options): ...not here.
7137         (Solaris 2 Options): ...or here.
7138         * doc/cppopts.texi: Document -pthread.
7140 2017-01-08  Martin Sebor  <msebor@redhat.com>
7142         PR middle-end/77708
7143         * doc/invoke.texi (Warning Options): Document -Wformat-truncation.
7144         * gimple-ssa-sprintf.c (call_info::reval_used, call_info::warnopt):
7145         New member functions.
7146         (format_directive): Used them.
7147         (add_bytes): Same.
7148         (pass_sprintf_length::handle_gimple_call): Same.
7149         * graphite-sese-to-poly.c (tree_int_to_gmp): Increase buffer size
7150         to avoid truncation for any argument.
7151         (extract_affine_mul): Same.
7152         * tree.c (get_file_function_name): Same.
7154 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
7156         PR middle-end/77484
7157         * predict.def (PRED_INDIR_CALL): Set to 86.
7159 2017-01-07  Sandra Loosemore  <sandra@codesourcery.com>
7161         PR preprocessor/54124
7162         * doc/cppopts.texi: Reformat -d subtable to list the full name
7163         of the options.  Add cross-reference to the docs for the general
7164         compiler -d options.
7165         * doc/invoke.texi (Developer Options): Add cross-reference to the
7166         preprocessor-specific -d option documentation.
7168 2017-01-07  Sandra Loosemore  <sandra@codesourcery.com>
7170         PR preprocessor/13498
7171         * doc/cpp.texi (Search Path): Rewrite to remove obsolete and
7172         redudant material, and reflect new command-line options.
7173         (System Headers): Likewise.
7175 2017-01-07  Sandra Loosemore  <sandra@codesourcery.com>
7177         * doc/cppdiropts.texi: Merge documentation of -I, -iquote,
7178         -isystem, and -idirafter.  Copy-edit.
7179         * doc/cppopts.texi: Copy-edit.  Remove contradiction about
7180         default for -ftrack-macro-expansion.  Delete obsolete and
7181         badly-formatted implementation details about -fdebug-cpp output.
7182         * doc/cppwarnopts.texi: Copy-edit.
7184 2017-01-07  David Malcolm  <dmalcolm@redhat.com>
7186         PR c++/72803
7187         * input.c (selftest::test_accessing_ordinary_linemaps): Verify
7188         that the transition from a max line width >= 1<<10 to narrower
7189         lines works correctly.
7191 2017-01-07  Alexandre Oliva <aoliva@redhat.com>
7193         * doc/options.texi (PerFunction): New.
7194         * opt-functions.awk (switch_flags): Map both Optimization and
7195         PerFunction to CL_OPTIMIZATION.
7196         * opth-gen.awk: Test for PerFunction flag along with
7197         Optimization.
7198         * optc-save-gen.awk: Likewise.  Introduce var_opt_hash and set
7199         it only when the latter is present.  Skip those that don't in
7200         the hash function generator.
7201         * common.opt (fvar-tracking): Mark as PerFunction instead of
7202         Optimization.
7203         (fvar-tracking-assignments): Likewise.
7204         (fvar-tracking-assignments-toggle): Likewise.
7205         (fvar-tracking-uninit): Likewise.
7207 2017-01-07  Jakub Jelinek  <jakub@redhat.com>
7209         PR translation/79018
7210         * params.def (PARAM_MAX_STORES_TO_MERGE): Add missing space between
7211         the and store.
7213 2017-01-06  Mikael Pettersson  <mikpelinux@gmail.com>
7215         PR target/57583
7216         * config/m68k/m68k.opt (LONG_JUMP_TABLE_OFFSETS): New option.
7217         * config/m68k/linux.h (ASM_RETURN_CASE_JUMP): Handle
7218         TARGET_LONG_JUMP_TABLE_OFFSETS.
7219         * config/m68k/m68kelf.h (ASM_RETURN_CASE_JUMP): Likewise.
7220         * config/m68k/netbsd-elf.h (ASM_RETURN_CASE_JUMP): Likewise.
7221         * config/m68k/m68k.h (CASE_VECTOR_MODE): Likewise.
7222         (ASM_OUTPUT_ADDR_DIFF_ELF): Likewise.
7223         * config/m68k/m68k.md (tablejump expander): Likewise.
7224         (*tablejump_pcrel_hi): Renamed from unnamed insn, reject
7225         TARGET_LONG_JUMP_TABLE_OFFSETS.
7226         (*tablejump_pcrel_si): New insn, handle TARGET_LONG_JUMP_TABLE_OFFSETS.
7227         * doc/invoke.texi (M68K options): Add -mlong-jump-table-offsets.
7229 2017-01-06  Edgar E. Iglesias <edgar.iglesias@xilinx.com>
7230             David Holsgrove <david.holsgrove@xilinx.com>
7232         * common/config/microblaze/microblaze-common.c
7233         (TARGET_EXCEPT_UNWIND_INFO): Remove.
7234         * config/microblaze/microblaze-protos.h (microblaze_eh_return):
7235         New prototype.
7236         * config/microblaze/microblaze.c (microblaze_must_save_register)
7237         (microblaze_expand_epilogue, microblaze_return_addr): Handle
7238         calls_eh_return.
7239         (microblaze_eh_return): New function.
7240         * config/microblaze/microblaze.h (RETURN_ADDR_OFFSET)
7241         (EH_RETURN_DATA_REGNO, MB_EH_STACKADJ_REGNUM)
7242         (EH_RETURN_STACKADJ_RTX, ASM_PREFERRED_EH_DATA_FORMAT): New macros.
7243         * config/microblaze/microblaze.md (eh_return): New pattern.
7245 2017-01-06  Jakub Jelinek  <jakub@redhat.com>
7247         * system.h (GCC_DIAGNOSTIC_PUSH_IGNORED, GCC_DIAGNOSTIC_POP,
7248         GCC_DIAGNOSTIC_STRINGIFY): Define.
7250         * read-rtl.c (rtx_reader::read_rtx_code): Avoid -Wsign-compare warning.
7252 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
7254         * config/arm/arm.md (<mcrr>): New.
7255         (<mrrc>): New.
7256         * config/arm/arm.c (arm_arch5te): New.
7257         (arm_option_override): Set arm_arch5te.
7258         (arm_coproc_builtin_available): Add support for mcrr, mcrr2, mrrc
7259         and mrrc2.
7260         * config/arm/arm-builtins.c (MCRR_QUALIFIERS): Define to...
7261         (arm_mcrr_qualifiers): ... this. New.
7262         (MRRC_QUALIFIERS): Define to...
7263         (arm_mrrc_qualifiers): ... this. New.
7264         * config/arm/arm_acle.h (__arm_mcrr, __arm_mcrr2, __arm_mrrc,
7265         __arm_mrrc2): New.
7266         * config/arm/arm_acle_builtins.def (mcrr, mcrr2, mrrc, mrrc2): New.
7267         * config/arm/iterators.md (MCRRI, mcrr, MCRR): New.
7268         (MRRCI, mrrc, MRRC): New.
7269         * config/arm/unspecs.md (VUNSPEC_MCRR, VUNSPEC_MCRR2, VUNSPEC_MRRC,
7270         VUNSPEC_MRRC2): New.
7272 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
7274         * config/arm/arm.md (<mcr>): New.
7275         (<mrc>): New.
7276         * config/arm/arm.c (arm_coproc_builtin_available): Add
7277         support for mcr, mrc, mcr2 and mrc2.
7278         * config/arm/arm-builtins.c (MCR_QUALIFIERS): Define to...
7279         (arm_mcr_qualifiers): ... this. New.
7280         (MRC_QUALIFIERS): Define to ...
7281         (arm_mrc_qualifiers): ... this. New.
7282         (MCR_QUALIFIERS): Define to ...
7283         (arm_mcr_qualifiers): ... this. New.
7284         * config/arm/arm_acle.h (__arm_mcr, __arm_mrc, __arm_mcr2,
7285         __arm_mrc2): New.
7286         * config/arm/arm_acle_builtins.def (mcr, mcr2, mrc, mrc2): New.
7287         * config/arm/iterators.md (MCRI, mcr, MCR, MRCI, mrc, MRC): New.
7288         * config/arm/unspecs.md (VUNSPEC_MCR, VUNSPEC_MCR2, VUNSPEC_MRC,
7289         VUNSPEC_MRC2): New.
7291 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
7293         * config/arm/arm.md (*ldc): New.
7294         (*stc): New.
7295         (<ldc>): New.
7296         (<stc>): New.
7297         * config/arm/arm.c (arm_coproc_builtin_available): Add
7298         support for ldc,ldcl,stc,stcl,ldc2,ldc2l,stc2 and stc2l.
7299         (arm_coproc_ldc_stc_legitimate_address): New.
7300         * config/arm/arm-builtins.c (arm_type_qualifiers): Add
7301         'qualifier_const_pointer'.
7302         (LDC_QUALIFIERS): Define to...
7303         (arm_ldc_qualifiers): ... this. New.
7304         (STC_QUALIFIERS): Define to...
7305         (arm_stc_qualifiers): ... this. New.
7306         * config/arm/arm-protos.h
7307         (arm_coproc_ldc_stc_legitimate_address): New.
7308         * config/arm/arm_acle.h (__arm_ldc, __arm_ldcl, __arm_stc,
7309         __arm_stcl, __arm_ldc2, __arm_ldc2l, __arm_stc2, __arm_stc2l): New.
7310         * config/arm/arm_acle_builtins.def (ldc, ldc2, ldcl, ldc2l, stc,
7311         stc2, stcl, stc2l): New.
7312         * config/arm/constraints.md (Uz): New.
7313         * config/arm/iterators.md (LDCI, STCI, ldc, stc, LDC STC): New.
7314         * config/arm/unspecs.md (VUNSPEC_LDC, VUNSPEC_LDC2, VUNSPEC_LDCL,
7315         VUNSPEC_LDC2L, VUNSPEC_STC, VUNSPEC_STC2, VUNSPEC_STCL,
7316         VUNSPEC_STC2L): New.
7318 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
7320         * config/arm/arm.md (<cdp>): New.
7321         * config/arm/arm.c (neon_const_bounds): Rename this ...
7322         (arm_const_bounds): ... this.
7323         (arm_coproc_builtin_available): New.
7324         * config/arm/arm-builtins.c (SIMD_MAX_BUILTIN_ARGS): Increase.
7325         (arm_type_qualifiers): Add 'qualifier_unsigned_immediate'.
7326         (CDP_QUALIFIERS): Define to...
7327         (arm_cdp_qualifiers): ... this. New.
7328         (void_UP): Define.
7329         (arm_expand_builtin_args): Add case for 6 arguments.
7330         * config/arm/arm-protos.h (neon_const_bounds): Rename this ...
7331         (arm_const_bounds): ... this.
7332         (arm_coproc_builtin_available): New.
7333         * config/arm/arm_acle.h (__arm_cdp): New.
7334         (__arm_cdp2): New.
7335         * config/arm/arm_acle_builtins.def (cdp): New.
7336         (cdp2): New.
7337         * config/arm/iterators.md (CDPI,CDP,cdp): New.
7338         * config/arm/neon.md: Rename all 'neon_const_bounds' to
7339         'arm_const_bounds'.
7340         * config/arm/types.md (coproc): New.
7341         * config/arm/unspecs.md (VUNSPEC_CDP, VUNSPEC_CDP2): New.
7342         * gcc/doc/extend.texi (ACLE): Add a mention of Coprocessor intrinsics.
7343         * gcc/doc/sourcebuild.texi (arm_coproc1_ok, arm_coproc2_ok,
7344         arm_coproc3_ok, arm_coproc4_ok): Document new effective targets.
7346 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
7348         * config/arm/arm-builtins.c (arm_unsigned_binop_qualifiers): New.
7349         (UBINOP_QUALIFIERS): New.
7350         (si_UP): Define.
7351         (acle_builtin_data): New. Change comment.
7352         (arm_builtins): Remove ARM_BUILTIN_CRC32B, ARM_BUILTIN_CRC32H,
7353         ARM_BUILTIN_CRC32W, ARM_BUILTIN_CRC32CB, ARM_BUILTIN_CRC32CH,
7354         ARM_BUILTIN_CRC32CW. Add ARM_BUILTIN_ACLE_BASE and include
7355         arm_acle_builtins.def.
7356         (ARM_BUILTIN_ACLE_PATTERN_START): Define.
7357         (arm_init_acle_builtins): New.
7358         (CRC32_BUILTIN): Remove.
7359         (bdesc_2arg): Remove entries for crc32b, crc32h, crc32w,
7360         crc32cb, crc32ch and crc32cw.
7361         (arm_init_crc32_builtins): Remove.
7362         (arm_init_builtins): Use arm_init_acle_builtins rather
7363         than arm_init_crc32_builtins.
7364         (arm_expand_acle_builtin): New.
7365         (arm_expand_builtin): Use 'arm_expand_acle_builtin'.
7366         * config/arm/arm_acle_builtins.def: New.
7368 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
7370         * config/arm/arm-builtins.c (neon_builtin_datum): Rename to ..
7371         (arm_builtin_datum): ... this.
7372         (arm_init_neon_builtin): Rename to ...
7373         (arm_init_builtin): ... this. Add a new parameters PREFIX
7374         and USE_SIG_IN_NAME.
7375         (arm_init_neon_builtins): Replace 'arm_init_neon_builtin' with
7376         'arm_init_builtin'. Replace type 'neon_builtin_datum' with
7377         'arm_builtin_datum'.
7378         (arm_init_vfp_builtins): Likewise.
7379         (builtin_arg): Rename enum's replacing 'NEON_ARG' with
7380         'ARG_BUILTIN' and add a 'ARG_BUILTIN_NEON_MEMORY.
7381         (arm_expand_neon_args): Rename to ...
7382         (arm_expand_builtin_args): ... this. Rename builtin_arg
7383         enum values and differentiate between ARG_BUILTIN_MEMORY
7384         and ARG_BUILTIN_NEON_MEMORY.
7385         (arm_expand_neon_builtin_1): Rename to ...
7386         (arm_expand_builtin_1): ... this. Rename builtin_arg enum
7387         values, arm_expand_builtin_args and add bool parameter NEON.
7388         (arm_expand_neon_builtin): Use arm_expand_builtin_1.
7389         (arm_expand_vfp_builtin): Likewise.
7390         (NEON_MAX_BUILTIN_ARGS): Remove, it was unused.
7392 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
7394         PR middle-end/77484
7395         * predict.def (PRED_POLYMORPHIC_CALL): Set to 59.
7396         * predict.c (tree_estimate_probability_bb): Reverse direction of
7397         polymorphic call predictor.
7399 2017-01-06  David Malcolm  <dmalcolm@redhat.com>
7401         * passes.c (execute_one_pass): Split out pass-skipping logic into...
7402         (determine_pass_name_match): ...this new function and...
7403         (should_skip_pass_p): ...this new function.
7405 2017-01-06  Nathan Sidwell  <nathan@acm.org>
7407         * ipa-visibility.c (function_and_variable_visibility): Reformat
7408         comments and long lines.  Remove extrneous if.
7409         * symtab.c (symtab_node::make_decl_local): Fix code format.
7410         (symtab_node::set_section_for_node): Fix comment typo.
7412 2017-01-06  Martin Liska  <mliska@suse.cz>
7414         PR bootstrap/79003
7415         * lra-constraints.c: Rename invariant to lra_invariant.
7416         * predict.c (set_even_probabilities): Initialize e to NULL.
7418 2017-01-05  Martin Sebor  <msebor@redhat.com>
7420         PR tree-optimization/78910
7421         * gimple-ssa-sprintf.c (tree_digits): Add an argument.
7422         (format_integer): Correct off-by-one error in the handling
7423         of precision with negative numbers in signed conversions..
7425 2017-01-05  Eric Botcazou  <ebotcazou@adacore.com>
7427         * doc/invoke.texi (C Dialect Options): Adjust -fsso-struct entry.
7429 2017-01-05  Jakub Jelinek  <jakub@redhat.com>
7431         PR tree-optimization/71016
7432         * tree-ssa-phiopt.c (tree_ssa_phiopt_worker): Pass cond_stmt to
7433         factor_out_conditional_conversion.  Formatting fix.
7434         (factor_out_conditional_conversion): Add cond_stmt argument.
7435         If arg1 is INTEGER_CST, punt if new_arg0 is not any operand of
7436         cond_stmt and if arg0_def_stmt is not the only stmt in its bb.
7437         Formatting fix.
7439 2017-01-05  David Malcolm  <dmalcolm@redhat.com>
7441         * Makefile.in (OBJS): Add read-md.o, read-rtl.o,
7442         read-rtl-function.o, and selftest-rtl.o.
7443         * config/aarch64/aarch64.c: Include selftest.h and selftest-rtl.h.
7444         (selftest::aarch64_test_loading_full_dump): New function.
7445         (selftest::aarch64_run_selftests): New function.
7446         (TARGET_RUN_TARGET_SELFTESTS): Wire it up to
7447         selftest::aarch64_run_selftests.
7448         * config/i386/i386.c
7449         (selftest::ix86_test_loading_dump_fragment_1): New function.
7450         (selftest::ix86_test_loading_call_insn): New function.
7451         (selftest::ix86_test_loading_full_dump): New function.
7452         (selftest::ix86_test_loading_unspec): New function.
7453         (selftest::ix86_run_selftests): Call the new functions.
7454         * emit-rtl.c (maybe_set_max_label_num): New function.
7455         * emit-rtl.h (maybe_set_max_label_num): New decl.
7456         * function.c (instantiate_decls): Guard call to
7457         instantiate_decls_1 with if (DECL_INITIAL (fndecl)).
7458         * function-tests.c (selftest::verify_three_block_rtl_cfg): Remove
7459         "static".
7460         * gensupport.c (gen_reader::gen_reader): Pass "false"
7461         for new "compact" param of rtx_reader.
7462         * print-rtl.c (rtx_writer::print_rtx_operand): Print "(nil)"
7463         rather than an empty string for NULL strings.
7464         * read-md.c: Potentially include config.h rather than bconfig.h.
7465         Wrap include of errors.h with #ifdef GENERATOR_FILE.
7466         (have_error): New global, copied from errors.c.
7467         (md_reader::read_name): Rename to...
7468         (md_reader::read_name_1): ...this, adding "out_loc" param,
7469         and converting "missing name or number" to returning false, rather
7470         than failing.
7471         (md_reader::read_name): Reimplement in terms of read_name_1.
7472         (md_reader::read_name_or_nil): New function.
7473         (md_reader::read_string): Handle "(nil)" by returning NULL.
7474         (md_reader::md_reader): Add new param "compact".
7475         (md_reader::read_md_files): Wrap with #ifdef GENERATOR_FILE.
7476         (md_reader::read_file): New method.
7477         * read-md.h (md_reader::md_reader): Add new param "compact".
7478         (md_reader::read_file): New method.
7479         (md_reader::is_compact): New accessor.
7480         (md_reader::read_name): Convert return type from void to file_location.
7481         (md_reader::read_name_or_nil): New decl.
7482         (md_reader::read_name_1): New decl.
7483         (md_reader::m_compact): New field.
7484         (noop_reader::noop_reader): Pass "false" for new "compact" param
7485         of rtx_reader.
7486         (rtx_reader::rtx_reader): Add new "compact" param.
7487         (rtx_reader::read_rtx_operand): Make virtual and convert return
7488         type from void to rtx.
7489         (rtx_reader::read_until): New decl.
7490         (rtx_reader::handle_any_trailing_information): New virtual function.
7491         (rtx_reader::postprocess): New virtual function.
7492         (rtx_reader::finalize_string): New virtual function.
7493         (rtx_reader::m_in_call_function_usage): New field.
7494         (rtx_reader::m_reuse_rtx_by_id): New field.
7495         * read-rtl-function.c: New file.
7496         * selftest-rtl.c (selftest::assert_rtx_ptr_eq_at): New function.
7497         * selftest-rtl.h (ASSERT_RTX_PTR_EQ): New macro.
7498         (selftest::verify_three_block_rtl_cfg): New decl.
7499         * read-rtl-function.h: New file.
7500         * read-rtl.c: Potentially include config.h rather than bconfig.h.
7501         For host, include function.h, memmodel.h, and emit-rtl.h.
7502         (one_time_initialization): New function.
7503         (struct compact_insn_name): New struct.
7504         (compact_insn_names): New array.
7505         (find_code): Handle insn codes in compact dumps.
7506         (apply_subst_iterator): Wrap with #ifdef GENERATOR_FILE.
7507         (bind_subst_iter_and_attr): Likewise.
7508         (add_condition_to_string): Likewise.
7509         (add_condition_to_rtx): Likewise.
7510         (apply_attribute_uses): Likewise.
7511         (add_current_iterators): Likewise.
7512         (apply_iterators): Likewise.
7513         (initialize_iterators): Guard usage of apply_subst_iterator with
7514         #ifdef GENERATOR_FILE.
7515         (read_conditions): Wrap with #ifdef GENERATOR_FILE.
7516         (md_reader::read_mapping): Likewise.
7517         (add_define_attr_for_define_subst): Likewise.
7518         (add_define_subst_attr): Likewise.
7519         (read_subst_mapping): Likewise.
7520         (check_code_iterator): Likewise.
7521         (rtx_reader::read_rtx): Likewise.  Move one-time initialization
7522         logic to...
7523         (one_time_initialization): New function.
7524         (rtx_reader::read_until): New method.
7525         (read_flags): New function.
7526         (parse_reg_note_name): New function.
7527         (rtx_reader::read_rtx_code): Initialize "iterator" to NULL.
7528         Handle reuse_rtx ids.
7529         Wrap iterator lookup within #ifdef GENERATOR_FILE.
7530         Add parsing support for RTL dumps, mirroring the special-cases in
7531         print_rtx, by calling read_flags, reading REG_NOTE names, INSN_UID
7532         values, and calling handle_any_trailing_information.
7533         (rtx_reader::read_rtx_operand): Convert return type from void
7534         to rtx, returning return_rtx.  Handle case 'e'.  Call
7535         finalize_string on XSTR and XTMPL fields.
7536         (rtx_reader::read_nested_rtx):  Handle dumps in which trailing
7537          "(nil)" values were omitted.  Call the postprocess vfunc on the
7538         return_rtx.
7539         (rtx_reader::rtx_reader): Add new "compact" param and pass to base
7540         class ctor.  Initialize m_in_call_function_usage.  Call
7541         one_time_initialization.
7542         * rtl-tests.c (selftest::test_uncond_jump): Call
7543         set_new_first_and_last_insn.
7544         * rtl.h (read_rtx): Wrap decl with #ifdef GENERATOR_FILE.
7545         * selftest-rtl.c: New file.
7546         * selftest-rtl.h (class selftest::rtl_dump_test): New class.
7547         (selftest::get_insn_by_uid): New decl.
7548         * selftest-run-tests.c (selftest::run_tests): Call
7549         read_rtl_function_c_tests.
7550         * selftest.h  (selftest::read_rtl_function_c_tests): New decl.
7551         * tree-dfa.c (ssa_default_def): Return NULL_TREE for rtl function
7552         dumps.
7554 2017-01-05  Uros Bizjak  <ubizjak@gmail.com>
7556         * config/i386/i386.md (*testqi_ext_3): No need to handle memory
7557         operands in a special way.  Assert that pos+len <= mode precision.
7559 2017-01-05  Jakub Jelinek  <jakub@redhat.com>
7561         * common.opt (fvect-cost-model): Remove RejectNegative flag, use
7562         3 argument Alias with unlimited for the negative form.
7563         (fno-vect-cost-model): Removed.
7565 2017-01-05  Martin Liska  <mliska@suse.cz>
7567         * hsa-gen.c (gen_hsa_divmod): New function.
7568         (gen_hsa_insn_for_internal_fn_call): Use the function for IFN_DIVMOD.
7570 2017-01-05  Martin Liska  <mliska@suse.cz>
7572         PR pch/78970
7573         * gcc.c (lookup_compiler): Reject '-' filename for a precompiled
7574         header.
7576 2017-01-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7578         * config/s390/s390.c (s390_expand_setmem): Unroll the loop for
7579         small constant length operands.
7581 2017-01-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7583         * config/s390/s390.c (s390_expand_setmem): Avoid overlapping bytes
7584         between loop iterations.
7586 2017-01-05  Martin Liska  <mliska@suse.cz>
7588         PR sanitizer/78815
7589         * gimplify.c (gimplify_decl_expr): Compare to
7590         asan_poisoned_variables instread of checking flags.
7591         (gimplify_target_expr): Likewise.
7592         (gimplify_expr): Likewise.
7593         (gimplify_function_tree): Conditionally initialize
7594         asan_poisoned_variables.
7596 2017-01-04  Jeff Law  <law@redhat.com>
7598         PR tree-optimizatin/78812
7599         * rtl.h (contains_mem_rtx_p): Prototype.
7600         * ifcvt.c (containts_mem_rtx_p): Move from here to...
7601         * rtlanal.c (contains_mem_rtx_p): Here and remove static linkage.
7602         * gcse.c (prune_expressions): Use contains_mem_rtx_p to discover
7603         and prune MEMs that are not at the toplevel of a SET_SRC rtx.  Look
7604         through ZERO_EXTEND and SIGN_EXTEND when trying to avoid pruning MEMs.
7606 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
7608         * input.c (assert_char_at_range): Default-initialize actual_range.
7610 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
7612         * df-scan.c (df_ref_create_structure): Make regno unsigned,
7613         to match the caller.
7615 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
7617         * cfgexpand.c (expand_gimple_basic_block): Disregard debug
7618         insns after final jump in test to emit dummy move.
7620 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
7622         * gimple-iterator.h (gsi_one_nondebug_before_end_p): New.
7623         * tree-eh.c (cleanup_empty_eh): Skip more debug stmts.
7625 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
7627         * multiple_target.c (create_dispatcher_calls): Init e_next.
7628         * tree-ssa-loop-split.c (split_loop): Init border.
7629         * tree-vect-loop.c (vect_determine_vectorization_factor): Init
7630         scalar_type.
7632 2017-01-04  Michael Meissner  <meissner@linux.vnet.ibm.com>
7634         PR target/71977
7635         PR target/70568
7636         PR target/78823
7637         * config/rs6000/predicates.md (sf_subreg_operand): New predicate.
7638         (altivec_register_operand): Do not return true if the operand
7639         contains a SUBREG mixing SImode and SFmode.
7640         (vsx_register_operand): Likewise.
7641         (vsx_reg_sfsubreg_ok): New predicate.
7642         (vfloat_operand): Do not return true if the operand contains a
7643         SUBREG mixing SImode and SFmode.
7644         (vint_operand): Likewise.
7645         (vlogical_operand): Likewise.
7646         (gpc_reg_operand): Likewise.
7647         (int_reg_operand): Likewise.
7648         * config/rs6000/rs6000-protos.h (valid_sf_si_move): Add declaration.
7649         * config/rs6000/rs6000.c (valid_sf_si_move): New function to
7650         determine if a MOVSI or MOVSF operation contains SUBREGs that mix
7651         SImode and SFmode.
7652         (rs6000_emit_move_si_sf_subreg): New helper function.
7653         (rs6000_emit_move): Call rs6000_emit_move_si_sf_subreg to possbily
7654         fixup SUBREGs involving SImode and SFmode.
7655         * config/rs6000/vsx.md (SFBOOL_*): New constants that are operand
7656         numbers for the new peephole2 optimization.
7657         (peephole2 for SFmode unions): New peephole2 to optimize cases in
7658         the GLIBC math library that do AND/IOR/XOR operations on single
7659         precision floating point.
7660         * config/rs6000/rs6000.h (TARGET_NO_SF_SUBREG): New internal
7661         target macros to say whether we need to avoid SUBREGs mixing
7662         SImode and SFmode.
7663         (TARGET_ALLOW_SF_SUBREG): Likewise.
7664         * config/rs6000/rs6000.md (UNSPEC_SF_FROM_SI): New unspecs.
7665         (UNSPEC_SI_FROM_SF): Likewise.
7666         (iorxor): Change spacing.
7667         (and_ior_xor): New iterator for AND, IOR, and XOR.
7668         (movsi_from_sf): New insns for SImode/SFmode SUBREG support.
7669         (movdi_from_sf_zero_ext): Likewise.
7670         (mov<mode>_hardfloat, FMOVE32 iterator): Use register_operand
7671         instead of gpc_reg_operand.  Add SImode/SFmode SUBREG support.
7672         (movsf_from_si): New insn for SImode/SFmode SUBREG support.
7673         (fma<mode>4): Use gpc_reg_operand instead of register_operand.
7674         (fms<mode>4): Likewise.
7675         (fnma<mode>4): Likewise.
7676         (fnms<mode>4): Likewise.
7677         (nfma<mode>4): Likewise.
7678         (nfms<mode>4): Likewise.
7680 2017-01-04  Marek Polacek  <polacek@redhat.com>
7682         PR c++/64767
7683         * doc/invoke.texi: Document -Wpointer-compare.
7685 2017-01-04  Jakub Jelinek  <jakub@redhat.com>
7687         * optc-gen.awk: Emit #error for -W*/-f*/-m* Enum without
7688         RejectNegative.
7690         * dwarf2out.c (output_loc_list): Don't throw away 64K+ location
7691         descriptions for -gdwarf-5 and emit them as uleb128 instead of
7692         2-byte data.
7694 2017-01-04  Kelvin Nilsen  <kelvin@gcc.gnu.org>
7696         PR target/78056
7697         * doc/sourcebuild.texi (PowerPC-specific attributes): Add
7698         documentation of the powerpc_popcntb_ok attribute.
7699         * config/rs6000/rs6000.c (rs6000_option_override_internal): Add
7700         code to issue warning messages if a requested CPU configuration is
7701         not supported by the binary (assembler and loader) toolchain.
7702         (spe_init_builtins): Add two assertions to prevent ICE if attempt is
7703         made to define a built-in function that has been disabled.
7704         (paired_init_builtins): Add assertion to prevent ICE if attempt is
7705         made to define a built-in function that has been disabled.
7706         (altivec_init_builtins): Add comment explaining why definition
7707         of the DST built-in functions is not preceded by an assertion
7708         check.  Add assertions to prevent ICE if attempts are made to
7709         define an altivec predicate or an abs* built-in function that has
7710         been disabled.
7711         (htm_init_builtins): Add comment explaining why definition of the
7712         htm built-in functions is not preceded by an assertion check.
7714 2017-01-04  Jeff Law  <law@redhat.com>
7716         PR tree-optimizatin/67955
7717         * tree-ssa-alias.c (same_addr_size_stores_p): Check offsets first.
7718         Allow any SSA_VAR_P as the base objects.  Use integer_zerop.  Verify
7719         the points-to solution does not include pt_null.  Use DECL_PT_UID
7720         unconditionally.
7722 2017-01-04  Uros Bizjak  <ubizjak@gmail.com>
7724         * config/i386/i386.md (HI/SImode test with imm to QImode splitters):
7725         Use gen_int_mode instead of gen_lopwart for const_int operands.
7727 2017-01-04  Jakub Jelinek  <jakub@redhat.com>
7729         PR tree-optimization/71563
7730         * match.pd: Simplify X << Y into X if Y is known to be 0 or
7731         out of range value - has low bits known to be zero.
7733 2017-01-04  Alan Modra  <amodra@gmail.com>
7735         * Makefile.in (aclocal_deps): Update and order as per aclocal.m4.
7736         * configure: Regenerate.
7737         * config.in: Regenerate.
7739 2017-01-04  Jakub Jelinek  <jakub@redhat.com>
7741         PR bootstrap/77569
7742         * input.c (ebcdic_execution_charset::on_error): Don't use strstr for
7743         a substring of the message, but strcmp with the whole message.  Ifdef
7744         ENABLE_NLS, translate the message first using dgettext.
7746 2017-01-03  Jeff Law  <law@redhat.com>
7748         PR tree-optimizatin/78856
7749         * tree-ssa-threadupdate.c: Include tree-vectorizer.h.
7750         (mark_threaded_blocks): Remove code to truncate thread paths that
7751         cross multiple loop headers.  Instead invalidate the cached loop
7752         iteration information and handle case of a thread path walking
7753         into an irreducible region.
7755 2017-01-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
7757         PR target/78900
7758         * config/rs6000/rs6000.c (rs6000_split_signbit): Change some
7759         assertions.  Add support for doing the signbit if the IEEE 128-bit
7760         floating point value is in a GPR.
7761         * config/rs6000/rs6000.md (Fsignbit): Delete.
7762         (signbit<mode>2_dm): Delete using <Fsignbit> and just use "wa".
7763         Update the length attribute if the value is in a GPR.
7764         (signbit<mode>2_dm_<su>ext): Add combiner pattern to eliminate
7765         the sign or zero extension instruction, since the value is always 0/1.
7766         (signbit<mode>2_dm2): Delete using <Fsignbit>.
7768         PR target/78953
7769         * config/rs6000/vsx.md (vsx_extract_<mode>_store_p9): If we are
7770         extracting SImode to a GPR register so that we can generate a
7771         store, limit the vector to be in a traditional Altivec register
7772         for the vextuwrx instruction.
7774 2017-01-03  Ian Lance Taylor  <iant@google.com>
7776         * godump.c (go_format_type): Treat ENUMERAL_TYPE like INTEGER_TYPE.
7778 2017-01-03  Martin Sebor  <msebor@redhat.com>
7780         PR tree-optimization/78696
7781         * gimple-ssa-sprintf.c (format_floating): Correct handling of
7782         precision.  Use MPFR for %f for greater fidelity.  Correct handling
7783         of %g.
7784         (pass_sprintf_length::compute_format_length): Set width and precision
7785         specified by asrerisk to void_node for vararg functions.
7786         (try_substitute_return_value): Adjust dump output.
7788 2017-01-03  David Edelsohn  <dje.gcc@gmail.com>
7790         * doc/invoke.texi (RS6000 options): LRA is enabled by default.
7792 2017-01-03  Eric Botcazou  <ebotcazou@adacore.com>
7794         * doc/invoke.texi (SPARC options): Document -mlra as the default.
7795         * config/sparc/sparc.c (sparc_option_override): Force LRA unless
7796         -mlra/-mno-lra was passed to the compiler.
7798 2017-01-03  James Cowgill  <James.Cowgill@imgtec.com>
7800         PR rtl-optimization/65618
7801         * emit-rtl.c (try_split): Move initialization of "before" and
7802         "after" to just before the call to emit_insn_after_setloc.
7804 2017-01-03  Gerald Pfeifer  <gerald@pfeifer.com>
7806         * doc/md.texi (Standard Names): Remove reference to Java frontend.
7808 2017-01-03  Pierre-Marie de Rodat  <derodat@adacore.com>
7810         * dwarf2out.c (gen_enumeration_type_die): When
7811         -gno-strict-dwarf, add a DW_AT_encoding attribute.
7813 2017-01-03  Jakub Jelinek  <jakub@redhat.com>
7815         PR tree-optimization/78965
7816         * gimple-ssa-sprintf.c (pass_sprintf_length::compute_format_length):
7817         Change first argument from const call_info & to call_info &.  For %n
7818         set info.nowrite to false.
7820         PR middle-end/78901
7821         * gimple-ssa-sprintf.c (try_substitute_return_value): Don't change
7822         possibly throwing calls.
7824         * genmatch.c (dt_node::gen_kids_1): If generic_exprs include SSA_NAME
7825         and exprs_len || fns_len, emit the code for SSA_NAME next to the exprs
7826         and fns handling, rather than in a separate case SSA_NAME.
7828 2017-01-02  Jeff Law  <law@redhat.com>
7830         * config/darwin-driver.c (darwin_driver_init): Const-correctness
7831         fixes for first_period and second_period variables.
7833 2017-01-02  Uros Bizjak  <ubizjak@gmail.com>
7835         PR target/78967
7836         * config/i386/i386.md (UNSPEC_NOREX_MEM): New unspec.
7837         (*insvqi_1): New insn pattern.
7838         (*insvqi_1_mem_rex64): Ditto.
7839         (*insvqi_2): Ditto.
7840         (*insvqi_3): Rename from *insvqi.
7842         (*extzvqi_mem_rex64): Add UNSPEC_NOREX_MEM tag.
7844 2017-01-02  Gerald Pfeifer  <gerald@pfeifer.com>
7846         * doc/cfg.texi (Edges): Remove reference to Java.
7847         (Maintaining the CFG): Ditto.
7849 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
7851         PR middle-end/77674
7852         * symtab.c (symtab_node::binds_to_current_def_p): Fix handling of
7853         transparent aliases.
7855 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
7857         PR middle-end/77484
7858         * predict.def (PRED_CALL): Update hitrate.
7859         (PRED_INDIR_CALL, PRED_POLYMORPHIC_CALL): New predictors.
7860         * predict.c (tree_estimate_probability_bb): Split CALL predictor
7861         into direct/indirect/polymorphic variants.
7863 2017-01-01  Jakub Jelinek  <jakub@redhat.com>
7865         Update copyright years.
7867         * gcc.c (process_command): Update copyright notice dates.
7868         * gcov-dump.c (print_version): Ditto.
7869         * gcov.c (print_version): Ditto.
7870         * gcov-tool.c (print_version): Ditto.
7871         * gengtype.c (create_file): Ditto.
7872         * doc/cpp.texi: Bump @copying's copyright year.
7873         * doc/cppinternals.texi: Ditto.
7874         * doc/gcc.texi: Ditto.
7875         * doc/gccint.texi: Ditto.
7876         * doc/gcov.texi: Ditto.
7877         * doc/install.texi: Ditto.
7878         * doc/invoke.texi: Ditto.
7880 Copyright (C) 2017 Free Software Foundation, Inc.
7882 Copying and distribution of this file, with or without modification,
7883 are permitted in any medium without royalty provided the copyright
7884 notice and this notice are preserved.