1 2016-04-22 Szabolcs Nagy <szabolcs.nagy@arm.com>
3 * auto-profile.c: Remove <string.h> include.
4 * ipa-icf-gimple.c: Remove <list> include.
5 * diagnostic.c: Remove <new> include.
6 * genmatch.c: Likewise.
7 * pretty-print.c: Likewise.
9 * c/c-objc-common.c: Likewise.
10 * cp/error.c: Likewise.
11 * fortran/error.c: Likewise.
13 2016-04-22 Richard Biener <rguenther@suse.de>
15 * lto-streamer-in.c (input_ssa_names): Do not allocate
16 GIMPLE_NOP for all SSA names.
17 * lto-streamer-out.c (output_ssa_names): Do not output
18 SSA names that should have been released.
20 2016-04-22 Richard Biener <rguenther@suse.de>
22 PR tree-optimization/70740
23 * tree-ssa-phiprop.c (propagate_with_phi): Handle inserted
26 2016-04-21 H.J. Lu <hongjiu.lu@intel.com>
29 * config/i386/predicates.md (call_insn_operand): Replace
30 sibcall_memory_operand with memory_operand.
32 2016-04-21 Patrick Palka <ppalka@gcc.gnu.org>
34 * tree-vrp.c (register_edge_assert_for_2): Remove redundant
35 has_single_use() tests.
36 (register_edge_assert_for_1): Likewise.
37 (find_assert_locations_1): Check the liveness bitmap instead of
38 checking has_single_use().
40 2016-04-21 Kirill Yukhin <kirill.yukhin@intel.com>
43 * gcc/config/i386/sse.md (define_insn "<shift_insn><mode>3<mask_name>"):
44 Extract AVX-512BW constraint from AVX.
46 2016-04-21 Richard Biener <rguenther@suse.de>
48 PR tree-optimization/70725
49 * tree-if-conv.c (if_convertible_phi_p): Adjust guard
50 for phi_convertible_by_degenerating_args.
51 (predicate_all_scalar_phis): Handle single-argument PHIs.
53 2016-04-21 Richard Biener <rguenther@suse.de>
56 * fold-const.c (fold_comparison): Return properly typed
59 2016-04-21 Bin Cheng <bin.cheng@arm.com>
61 PR tree-optimization/70715
62 * tree-ssa-loop-niter.c (loop_exits_before_overflow): Check equality
63 after expanding BASE using expand_simple_operations.
65 2016-04-21 Marc Glisse <marc.glisse@inria.fr>
67 * match.pd (min(-x, -y), max(-x, -y), min(~x, ~y), max(~x, ~y)):
70 2016-04-21 Marc Glisse <marc.glisse@inria.fr>
72 * match.pd (min(int_max, x), max(int_min, x)): New transformations.
74 2016-04-20 Jan Hubicka <jh@suse.cz>
76 * ipa-inline.c (can_inline_edge_p): Pass caller info to
77 ultiimate_alias_target.
78 (update_callee_keys): Likewise.
79 (lookup_recursive_calls): Likewise.
80 (speculation_useful_p): Likewise.
82 2016-04-20 Jan Hubicka <jh@suse.cz>
85 * cgraph.c (cgraph_set_nothrow_flag_1): Rename to ...
86 (set_nothrow_flag_1): ... this; handle interposition correctly;
87 recurse on aliases and thunks.
88 (cgraph_node::set_nothrow_flag): New.
89 * ipa-pure-const.c (ignore_edge_for_nothrow): Ignore calls to
90 functions compiled with non-call exceptions that binds to current
92 (propagate_nothrow): Be safe WRT interposition.
93 * cgraph.h (set_nothrow_flag): Update prototype.
95 2016-04-18 Jan Hubicka <jh@suse.cz>
97 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
98 max_loop_iterations_int.
99 (tree_unswitch_outer_loop): Likewise.
101 2016-04-20 Bin Cheng <bin.cheng@arm.com>
103 PR tree-optimization/69489
104 * tree-if-conv.c (phi_convertible_by_degenerating_args): New.
105 (if_convertible_phi_p): Call phi_convertible_by_degenerating_args.
107 (if_convertible_bb_p): Remove check on edge count of basic block's
110 2016-04-20 Bin Cheng <bin.cheng@arm.com>
112 PR tree-optimization/56625
113 PR tree-optimization/69489
114 * tree-data-ref.h (DR_INNERMOST): New macro.
115 * tree-if-conv.c (innermost_loop_behavior_hash): New class for
116 hashing struct innermost_loop_behavior.
117 (ref_DR_map): Remove.
118 (innermost_DR_map): New map.
119 (baseref_DR_map): Revise comment.
120 (hash_memrefs_baserefs_and_store_DRs_read_written_info): Store DR
121 to innermost_DR_map accroding to its innermost loop behavior.
122 (ifcvt_memrefs_wont_trap): Get DR from innermost_DR_map according
123 to its innermost loop behavior.
124 (if_convertible_loop_p_1): Remove intialization for ref_DR_map.
125 Add initialization for innermost_DR_map. Record memory reference
126 in DR_BASE_ADDRESS if the reference is compound one or it doesn't
127 have innermost loop behavior.
128 (if_convertible_loop_p): Remove release for ref_DR_map. Release
131 2016-04-20 Uros Bizjak <ubizjak@gmail.com>
133 * config/i386/i386.md (*lea<mode>_general_1): Rename from
134 *lea_general_1. Use explicit SWI12 mode interator.
135 (*lea<mode>_general_2): Rename from *lea_general_2.
136 Use explicit SWI12 mode interator.
137 (*lea<mode>_general_3): Rename from *lea_general_3.
138 Use explicit SWI12 mode interator.
139 (*lea<SWI12:mode>_general_4): Split from *lea_general_4.
140 Use explicit SWI12 mode interator.
141 (*lea<SWI48:mode>_general_4): Split from *lea_general_4.
142 Use explicit SWI48 mode interator.
144 2016-04-20 H.J. Lu <hongjiu.lu@intel.com>
146 * config/i386/i386.c (ix86_avx256_split_vector_move_misalign):
147 Short-cut unaligned load and store cases. Handle all integer
149 (ix86_expand_vector_move_misalign): Short-cut unaligned load
150 and store cases. Call ix86_avx256_split_vector_move_misalign
151 directly without checking mode class.
153 2016-04-20 Andrew Pinski <apinski@cavium.com>
154 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
157 * config/aarch64/aarch64.md (sibcall): Force call
158 address to be DImode for ILP32.
159 (sibcall_value): Likewise.
161 2016-04-20 H.J. Lu <hongjiu.lu@intel.com>
163 * doc/invoke.texi: Replace -skip-rax-setup with -mskip-rax-setup.
165 2016-04-20 Richard Biener <rguenther@suse.de>
167 * gimple-match.h (maybe_build_generic_op): Adjust prototype.
168 * gimple-match-head.c (maybe_build_generic_op): Pass all ops
169 by reference, clear op1 and op2 when GENERICizing BIT_FIELD_REF.
170 (maybe_push_res_to_seq): Adjust.
171 * gimple-fold.c (maybe_build_generic_op): Likewise.
173 2016-04-20 Marek Polacek <polacek@redhat.com>
175 * tree-if-conv.c (is_false_predicate): For NULL_TREE return false
178 2016-04-20 Ilya Enkovich <ilya.enkovich@intel.com>
180 * config/i386/sse.md (vec_unpacks_lo_hi): Always
181 use kmovw to support AVX512F target.
183 2016-04-20 Bin Cheng <bin.cheng@arm.com>
185 * tree-scalar-evolution.c (interpret_rhs_expr): Handle BIT_AND_EXPR.
187 2016-04-20 Marek Polacek <polacek@redhat.com>
189 PR tree-optimization/70725
190 * tree-if-conv.c (is_false_predicate): New function.
191 (predicate_mem_writes): Use it.
193 2016-04-20 Richard Biener <rguenther@suse.de>
195 PR tree-optimization/70726
196 * tree-vect-stmts.c (vectorizable_shift): Do not use scalar
197 shift amounts from a pattern stmt operand.
199 2016-04-20 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
202 * config/s390/s390.c (s390_restore_gprs_from_fprs): Pick the new
203 stack_restore_from_fpr pattern when restoring r15.
204 (s390_optimize_prologue): Strip away the memory barrier in the
205 parallel when trying to get rid of restore insns.
206 * config/s390/s390.md ("stack_restore_from_fpr"): New insn
207 definition for loading the stack pointer from an FPR. Compared to
208 the normal move insn this pattern includes a full memory barrier.
210 2016-04-19 Jakub Jelinek <jakub@redhat.com>
213 * gimplify.c (gimplify_omp_for): Call omp_notice_variable for
214 implicitly linear or lastprivate iterator on the outer context.
216 2016-04-19 H.J. Lu <hongjiu.lu@intel.com>
218 * config/i386/i386.c (ix86_legitimate_combined_insn): Remove
220 * config/i386/i386.md (ssememalign): Removed.
221 * config/i386/sse.md: Remove ssememalign attribute from patterns.
223 2016-04-19 H.J. Lu <hongjiu.lu@intel.com>
226 * config/i386/avx512bwintrin.h (_mm512_mask_loadu_epi16): Pass
227 const short * to __builtin_ia32_loaddquhi512_mask.
228 (_mm512_maskz_loadu_epi16): Likewise.
229 (_mm512_mask_storeu_epi16): Pass short * to
230 __builtin_ia32_storedquhi512_mask.
231 (_mm512_mask_loadu_epi8): Pass const char * to
232 __builtin_ia32_loaddquqi512_mask.
233 (_mm512_maskz_loadu_epi8): Likewise.
234 (_mm512_mask_storeu_epi8): Pass char * to
235 __builtin_ia32_storedquqi512_mask.
236 * config/i386/avx512fintrin.h (_mm512_loadu_pd): Pass
237 const double * to __builtin_ia32_loadupd512_mask.
238 (_mm512_mask_loadu_pd): Likewise.
239 (_mm512_maskz_loadu_pd): Likewise.
240 (_mm512_storeu_pd): Pass double * to
241 __builtin_ia32_storeupd512_mask.
242 (_mm512_mask_storeu_pd): Likewise.
243 (_mm512_loadu_ps): Pass const float * to
244 __builtin_ia32_loadups512_mask.
245 (_mm512_mask_loadu_ps): Likewise.
246 (_mm512_maskz_loadu_ps): Likewise.
247 (_mm512_storeu_ps): Pass float * to
248 __builtin_ia32_storeups512_mask.
249 (_mm512_mask_storeu_ps): Likewise.
250 (_mm512_mask_loadu_epi64): Pass const long long * to
251 __builtin_ia32_loaddqudi512_mask.
252 (_mm512_maskz_loadu_epi64): Likewise.
253 (_mm512_mask_storeu_epi64): Pass long long *
254 to __builtin_ia32_storedqudi512_mask.
255 (_mm512_loadu_si512): Pass const int * to
256 __builtin_ia32_loaddqusi512_mask.
257 (_mm512_mask_loadu_epi32): Likewise.
258 (_mm512_maskz_loadu_epi32): Likewise.
259 (_mm512_storeu_si512): Pass int * to
260 __builtin_ia32_storedqusi512_mask.
261 (_mm512_mask_storeu_epi32): Likewise.
262 * config/i386/avx512vlbwintrin.h (_mm256_mask_storeu_epi8): Pass
263 char * to __builtin_ia32_storedquqi256_mask.
264 (_mm_mask_storeu_epi8): Likewise.
265 (_mm256_mask_loadu_epi16): Pass const short * to
266 __builtin_ia32_loaddquhi256_mask.
267 (_mm256_maskz_loadu_epi16): Likewise.
268 (_mm_mask_loadu_epi16): Pass const short * to
269 __builtin_ia32_loaddquhi128_mask.
270 (_mm_maskz_loadu_epi16): Likewise.
271 (_mm256_mask_loadu_epi8): Pass const char * to
272 __builtin_ia32_loaddquqi256_mask.
273 (_mm256_maskz_loadu_epi8): Likewise.
274 (_mm_mask_loadu_epi8): Pass const char * to
275 __builtin_ia32_loaddquqi128_mask.
276 (_mm_maskz_loadu_epi8): Likewise.
277 (_mm256_mask_storeu_epi16): Pass short * to.
278 __builtin_ia32_storedquhi256_mask.
279 (_mm_mask_storeu_epi16): Pass short * to.
280 __builtin_ia32_storedquhi128_mask.
281 * config/i386/avx512vlintrin.h (_mm256_mask_loadu_pd): Pass
282 const double * to __builtin_ia32_loadupd256_mask.
283 (_mm256_maskz_loadu_pd): Likewise.
284 (_mm_mask_loadu_pd): Pass onst double * to
285 __builtin_ia32_loadupd128_mask.
286 (_mm_maskz_loadu_pd): Likewise.
287 (_mm256_mask_storeu_pd): Pass double * to
288 __builtin_ia32_storeupd256_mask.
289 (_mm_mask_storeu_pd): Pass double * to
290 __builtin_ia32_storeupd128_mask.
291 (_mm256_mask_loadu_ps): Pass const float * to
292 __builtin_ia32_loadups256_mask.
293 (_mm256_maskz_loadu_ps): Likewise.
294 (_mm_mask_loadu_ps): Pass const float * to
295 __builtin_ia32_loadups128_mask.
296 (_mm_maskz_loadu_ps): Likewise.
297 (_mm256_mask_storeu_ps): Pass float * to
298 __builtin_ia32_storeups256_mask.
299 (_mm_mask_storeu_ps): ass float * to
300 __builtin_ia32_storeups128_mask.
301 (_mm256_mask_loadu_epi64): Pass const long long * to
302 __builtin_ia32_loaddqudi256_mask.
303 (_mm256_maskz_loadu_epi64): Likewise.
304 (_mm_mask_loadu_epi64): Pass const long long * to
305 __builtin_ia32_loaddqudi128_mask.
306 (_mm_maskz_loadu_epi64): Likewise.
307 (_mm256_mask_storeu_epi64): Pass long long * to
308 __builtin_ia32_storedqudi256_mask.
309 (_mm_mask_storeu_epi64): Pass long long * to
310 __builtin_ia32_storedqudi128_mask.
311 (_mm256_mask_loadu_epi32): Pass const int * to
312 __builtin_ia32_loaddqusi256_mask.
313 (_mm256_maskz_loadu_epi32): Likewise.
314 (_mm_mask_loadu_epi32): Pass const int * to
315 __builtin_ia32_loaddqusi128_mask.
316 (_mm_maskz_loadu_epi32): Likewise.
317 (_mm256_mask_storeu_epi32): Pass int * to
318 __builtin_ia32_storedqusi256_mask.
319 (_mm_mask_storeu_epi32): Pass int * to
320 __builtin_ia32_storedqusi128_mask.
321 * config/i386/i386-builtin-types.def (PCSHORT): New.
323 (V64QI_FTYPE_PCCHAR_V64QI_UDI): Likewise.
324 (V32HI_FTYPE_PCSHORT_V32HI_USI): Likewise.
325 (V32QI_FTYPE_PCCHAR_V32QI_USI): Likewise.
326 (V16SF_FTYPE_PCFLOAT_V16SF_UHI): Likewise.
327 (V8DF_FTYPE_PCDOUBLE_V8DF_UQI): Likewise.
328 (V16SI_FTYPE_PCINT_V16SI_UHI): Likewise.
329 (V16HI_FTYPE_PCSHORT_V16HI_UHI): Likewise.
330 (V16QI_FTYPE_PCCHAR_V16QI_UHI): Likewise.
331 (V8SF_FTYPE_PCFLOAT_V8SF_UQI): Likewise.
332 (V8DI_FTYPE_PCINT64_V8DI_UQI): Likewise.
333 (V8SI_FTYPE_PCINT_V8SI_UQI): Likewise.
334 (V8HI_FTYPE_PCSHORT_V8HI_UQI): Likewise.
335 (V4DF_FTYPE_PCDOUBLE_V4DF_UQI): Likewise.
336 (V4SF_FTYPE_PCFLOAT_V4SF_UQI): Likewise.
337 (V4DI_FTYPE_PCINT64_V4DI_UQI): Likewise.
338 (V4SI_FTYPE_PCINT_V4SI_UQI): Likewise.
339 (V2DF_FTYPE_PCDOUBLE_V2DF_UQI): Likewise.
340 (V2DI_FTYPE_PCINT64_V2DI_UQI): Likewise.
341 (VOID_FTYPE_PDOUBLE_V8DF_UQI): Likewise.
342 (VOID_FTYPE_PDOUBLE_V4DF_UQI): Likewise.
343 (VOID_FTYPE_PDOUBLE_V2DF_UQI): Likewise.
344 (VOID_FTYPE_PFLOAT_V16SF_UHI): Likewise.
345 (VOID_FTYPE_PFLOAT_V8SF_UQI): Likewise.
346 (VOID_FTYPE_PFLOAT_V4SF_UQI): Likewise.
347 (VOID_FTYPE_PINT64_V8DI_UQI): Likewise.
348 (VOID_FTYPE_PINT64_V4DI_UQI): Likewise.
349 (VOID_FTYPE_PINT64_V2DI_UQI): Likewise.
350 (VOID_FTYPE_PINT_V16SI_UHI): Likewise.
351 (VOID_FTYPE_PINT_V8SI_UHI): Likewise.
352 (VOID_FTYPE_PINT_V4SI_UHI): Likewise.
353 (VOID_FTYPE_PSHORT_V32HI_USI): Likewise.
354 (VOID_FTYPE_PSHORT_V16HI_UHI): Likewise.
355 (VOID_FTYPE_PSHORT_V8HI_UQI): Likewise.
356 (VOID_FTYPE_PCHAR_V64QI_UDI): Likewise.
357 (VOID_FTYPE_PCHAR_V32QI_USI): Likewise.
358 (VOID_FTYPE_PCHAR_V16QI_UHI): Likewise.
359 (V64QI_FTYPE_PCV64QI_V64QI_UDI): Removed.
360 (V32HI_FTYPE_PCV32HI_V32HI_USI): Likewise.
361 (V32QI_FTYPE_PCV32QI_V32QI_USI): Likewise.
362 (V16HI_FTYPE_PCV16HI_V16HI_UHI): Likewise.
363 (V16QI_FTYPE_PCV16QI_V16QI_UHI): Likewise.
364 (V8HI_FTYPE_PCV8HI_V8HI_UQI): Likewise.
365 (VOID_FTYPE_PV32HI_V32HI_USI): Likewise.
366 (VOID_FTYPE_PV16HI_V16HI_UHI): Likewise.
367 (VOID_FTYPE_PV8HI_V8HI_UQI): Likewise.
368 (VOID_FTYPE_PV64QI_V64QI_UDI): Likewise.
369 (VOID_FTYPE_PV32QI_V32QI_USI): Likewise.
370 (VOID_FTYPE_PV16QI_V16QI_UHI): Likewise.
371 * config/i386/i386.c (ix86_emit_save_reg_using_mov): Don't
373 (ix86_emit_restore_sse_regs_using_mov): Don't use UNSPEC_LOADU.
374 (ix86_avx256_split_vector_move_misalign): Don't use unaligned
376 (ix86_expand_vector_move_misalign): Likewise.
377 (bdesc_special_args): Use CODE_FOR_movvNXY_internal and pointer
378 to scalar function prototype for unaligned load/store builtins.
379 (ix86_expand_special_args_builtin): Updated.
380 * config/i386/sse.md (UNSPEC_LOADU): Removed.
381 (UNSPEC_STOREU): Likewise.
382 (VI_ULOADSTORE_BW_AVX512VL): Likewise.
383 (VI_ULOADSTORE_F_AVX512VL): Likewise.
384 (ssescalarsize): Handle V4TI, V2TI and V1TI.
385 (<sse>_loadu<ssemodesuffix><avxsizesuffix><mask_name>): Likewise.
386 (*<sse>_loadu<ssemodesuffix><avxsizesuffix><mask_name>): Likewise.
387 (<sse>_storeu<ssemodesuffix><avxsizesuffix>): Likewise.
388 (<avx512>_storeu<ssemodesuffix><avxsizesuffix>_mask): Likewise.
389 (<sse2_avx_avx512f>_loaddqu<mode><mask_name>): Likewise.
390 (*<sse2_avx_avx512f>_loaddqu<mode><mask_name>"): Likewise.
391 (sse2_avx_avx512f>_storedqu<mode>): Likewise.
392 (<avx512>_storedqu<mode>_mask): Likewise.
393 (*sse4_2_pcmpestr_unaligned): Likewise.
394 (*sse4_2_pcmpistr_unaligned): Likewise.
395 (*mov<mode>_internal): Renamed to ...
396 (mov<mode>_internal): This. Remove check of AVX and IAMCU on
397 misaligned operand. Replace vmovdqu64 with vmovdqu<ssescalarsize>.
398 (movsd/movhpd to movupd peephole): Don't use UNSPEC_LOADU.
399 (movlpd/movhpd to movupd peephole): Don't use UNSPEC_STOREU.
401 2016-04-19 Richard Biener <rguenther@suse.de>
403 PR tree-optimization/70171
404 * tree-ssa-phiprop.c: Include stor-layout.h.
405 (phiprop_insert_phi): Handle the aggregate copy case.
406 (propagate_with_phi): Likewise.
408 2016-04-19 Uros Bizjak <ubizjak@gmail.com>
410 * config/i386/i386.c (ix86_decompose_address): Use lowpart_subreg
411 instead of simplify_gen_subreg (... , 0).
412 (ix86_delegitimize_address): Ditto.
413 (ix86_split_divmod): Ditto.
414 (ix86_split_copysign_const): Ditto.
415 (ix86_split_copysign_var): Ditto.
416 (ix86_expand_args_builtin): Ditto.
417 (ix86_expand_round_builtin): Ditto.
418 (ix86_expand_special_args_builtin): Ditto.
419 * config/i386/i386.md (TARGET_USE_VECTOR_FP_CONVERTS splitters): Ditto.
420 (TARGET_SSE_PARTIAL_REG_DEPENDENCY splitters and peephole2s): Ditto.
422 (absneg splitters): Ditto.
423 (*jcc_bt<mode>_1): Ditto.
425 2016-04-19 Richard Biener <rguenther@suse.de>
427 PR tree-optimization/70724
428 * tree-ssa-sccvn.c (scc_vn_restore_ssa_info): Split SSA info
429 restoring out from ...
430 (free_scc_vn): ... here.
431 * tree-ssa-sccvn.h (scc_vn_restore_ssa_info): Declare.
432 * tres-ssa-pre.c (pass_pre::execute): Restore SSA info before
434 (pass_fre::execute): Restore SSA info.
436 2016-04-19 Richard Biener <rguenther@suse.de>
438 * gimple-walk.h (struct walk_stmt_info): Add stmt member.
439 * gimple-walk.c (walk_gimple_op): Initialize it.
440 (walk_gimple_asm): Set wi->is_lhs before each callback invocation.
441 * tree-inline.c (remap_gimple_op_r): Set SSA_NAME_DEF_STMT when
442 remapping SSA names of defs.
443 (copy_bb): Remove walk over all SSA defs and SSA_NAME_DEF_STMT
446 2016-04-18 Vladimir Makarov <vmakarov@redhat.com>
449 * lra-constraints.c (equiv_substition_p): New.
450 (process_alt_operands): Use it.
451 (swap_operands): Swap it.
452 (curr_insn_transform): Update it.
454 2016-04-18 Michael Matz <matz@suse.de>
456 * tree.h (TYPE_ALIGN, DECL_ALIGN): Return shifted amount.
457 (SET_TYPE_ALIGN, SET_DECL_ALIGN): New.
458 * tree-core.h (tree_type_common.align): Use bit-field.
459 (tree_type_common.spare): New.
460 (tree_decl_common.off_align): Make smaller.
461 (tree_decl_common.align): Use bit-field.
463 * expr.c (expand_expr_addr_expr_1): Use SET_TYPE_ALIGN.
464 * omp-low.c (install_var_field): Use SET_DECL_ALIGN.
465 (scan_sharing_clauses): Ditto.
466 (finish_taskreg_scan): Use SET_DECL_ALIGN and SET_TYPE_ALIGN.
467 (omp_finish_file): Ditto.
468 * stor-layout.c (do_type_align): Use SET_DECL_ALIGN.
469 (layout_decl): Ditto.
470 (relayout_decl): Ditto.
471 (finalize_record_size): Use SET_TYPE_ALIGN.
472 (finalize_type_size): Ditto.
473 (finish_builtin_struct): Ditto.
474 (layout_type): Ditto.
475 (initialize_sizetypes): Ditto.
476 * targhooks.c (std_gimplify_va_arg_expr): Use SET_TYPE_ALIGN.
477 * tree-nested.c (insert_field_into_struct): Use SET_TYPE_ALIGN.
478 (lookup_field_for_decl): Use SET_DECL_ALIGN.
479 (get_chain_field): Ditto.
480 (get_trampoline_type): Ditto.
481 (get_nl_goto_field): Ditto.
482 * tree-streamer-in.c (unpack_ts_decl_common_value_fields): Use
484 (unpack_ts_type_common_value_fields): Use SET_TYPE_ALIGN.
485 * gimple-expr.c (copy_var_decl): Use SET_DECL_ALIGN.
486 * tree.c (make_node_stat): Use SET_DECL_ALIGN and SET_TYPE_ALIGN.
487 (build_qualified_type): Use SET_TYPE_ALIGN.
488 (build_aligned_type, build_range_type_1): Ditto.
489 (build_atomic_base): Ditto.
490 (build_common_tree_nodes): Ditto.
491 * cfgexpand.c (align_local_variable): Use SET_DECL_ALIGN.
492 (expand_one_stack_var_at): Ditto.
493 * coverage.c (build_var): Use SET_DECL_ALIGN.
494 * except.c (init_eh): Ditto.
495 * function.c (assign_parm_setup_block): Ditto.
496 * symtab.c (increase_alignment_1): Ditto.
497 * tree-ssa-ccp.c (fold_builtin_alloca_with_align): Ditto.
498 * tree-vect-stmts.c (ensure_base_align): Ditto.
499 * varasm.c (align_variable): Ditto.
500 (assemble_variable): Ditto.
501 (build_constant_desc): Ditto.
502 (output_constant_def_contents): Ditto.
504 * config/arm/arm.c (arm_relayout_function): Use SET_DECL_ALIGN.
505 * config/avr/avr.c (avr_adjust_type_node): Use SET_TYPE_ALIGN.
506 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): Ditto.
507 * config/msp430/msp430.c (msp430_gimplify_va_arg_expr): Ditto.
508 * config/spu/spu.c (spu_build_builtin_va_list): Use SET_DECL_ALIGN.
510 2016-04-18 H.J. Lu <hongjiu.lu@intel.com>
513 * config/i386/sse.md (sse2_loadlpd): Accept load from "xm" and
514 replace %vmovsd with "%vmovq".
515 (vec_concatv2df): Likewise.
517 2016-04-18 Uros Bizjak <ubizjak@gmail.com>
519 * config/i386/mmx.md (*vec_extractv2sf_0): Use gen_lowpart.
520 (*vec_extractv2si_0): Ditto.
521 * config/i386/sse.md (*vec_extractv4sf_0): Ditto.
522 (zero_extended_scalar_load_operand splitters): Ditto.
523 (vec_extract splitters): Ditto.
524 (*vec_extractv4si_0_zext): Ditto.
525 (avx_<castmode><avxsizesuffix>_<castmode>): Use gen_lowpart
527 (avx512f_<castmode><avxsizesuffix>_<castmode>): Ditto.
528 (avx512f_<castmode><avxsizesuffix>_256<castmode>): Ditto.
529 (*sse4_1_extractps): Use lowpart_subreg.
531 2016-04-18 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
533 * doc/install.texi (Specific, i?86-*-solaris2.10): Update gas and
535 (Specific, *-*-solaris2*): Update Solaris 11 bundled gcc versions.
536 Mention Solaris 11 packaging changes.
537 Update gas and gld requirements.
538 Remove reference to pre-Solaris 10 bug.
539 (Specific, sparc-sun-solaris2*): Remove reference to pre-Solaris 10
541 (Specific, sparc64-*-solaris2*): Remove reference to bootstrap
544 2016-04-17 Jan Hubicka <jh@suse.cz>
546 * tree-ssa-loop-ivopts.c (avg_loop_niter): Use also
547 max_loop_iterations_int.
549 2016-04-18 Richard Biener <rguenther@suse.de>
551 PR tree-optimization/43434
552 * tree-ssa-structalias.c (struct vls_data): New.
553 (visit_loadstore): Handle all pointer-based accesses.
554 (compute_dependence_clique): Compute a bitmap of restrict tags
555 assigned bases and pass it to visit_loadstore.
557 2016-04-18 Matthew Wahab <matthew.wahab@arm.com>
560 * config/arm/bpabi.h (BE8_LINK_SPEC): Add entries for armv8+crc,
561 armv8.1-a and armv8.1-a+crc.
563 2016-04-18 Richard Biener <rguenther@suse.de>
565 PR tree-optimization/70701
566 * tree-ssa-sccvn.c (vn_reference_lookup_3): Resolve fully constant
567 references after translating through a memcpy.
569 2016-04-18 Richard Biener <rguenther@suse.de>
571 * tree-ssa-pre.c (postorder, postorder_num): Make locals ...
572 (compute_antic): ... here. For partial antic use regular
573 postorder and scrap iteration.
574 (compute_partial_antic_aux): Remove unused return value.
575 (init_pre): Do not allocate postorder.
576 (fini_pre): Do not free postorder.
578 2016-04-18 Richard Biener <rguenther@suse.de>
581 * expmed.c (extract_bit_field_1): Remove broken case
582 using a wider MODE_INT mode.
584 2016-04-18 Segher Boessenkool <segher@kernel.crashing.org>
586 * has-brig.c (lendian16): Don't try to use __builtin_bswap16
587 unless compiling with at least GCC-4.8.
589 2016-04-17 Jan Hubicka <jh@suse.cz>
592 * graphite.c (graphite_finalize): Update call to
593 tree_estimate_probability.
594 * predict.h (tree_estimate_probability): Update prototype.
596 2016-04-17 Jan Hubicka <jh@suse.cz>
598 * predict.c (combine_predictions_for_bb): Add dry_run parmaeter.
599 (tree_estimate_probability): Likewise.
600 (pass_profile::execute): Update.
601 (report_predictor_hitrates): New function.
602 * profile.c (compute_branch_probabilities): Use it.
603 * predict.h (report_predictor_hitrates): Declare.
605 2016-04-17 Jan Hubicka <jh@suse.cz>
608 * cgraph.h (cgraph_node::set_const_flag,
609 cgraph_node::set_pure_flag): Update prototype to return bool;
611 * cgraph.c (cgraph_node::call_for_symbol_thunks_and_aliases): Thunks
612 of interposable symbol are interposable, too.
613 (cgraph_set_const_flag_1): Rename to ...
614 (set_const_flag_1): ... this one; change to self recursive function
615 instead of call_for_symbol_thunks_and_aliases. Handle correctly
616 clearnig the flag in all variants and also virtual thunks of const
617 functions are pure; track if any change was done.
618 (cgraph_node::set_const_flag): Update.
619 (struct set_pure_flag_info): New struct.
620 (cgraph_set_pure_flag_1): Rename to ...
621 (set_pure_flag_1): ... this one; take set_pure_flag_info parameter
622 rather than pointer encoded flags; track if any changes was done;
623 handle correctly clearning flag and setting flag of aliases already
625 (cgraph_node::set_pure_flag): Update.
626 (cgraph_node::set_nothrow_flag): Handle correctly clearning the flag.
628 2016-04-17 Tom de Vries <tom@codesourcery.com>
631 * pretty-print.c (pp_write_text_as_dot_label_to_stream): Escape
634 2016-04-17 Tom de Vries <tom@codesourcery.com>
636 * pretty-print.c (pp_write_text_as_dot_label_to_stream): Classify chars
637 '{}<> ' as escape-for-record.
639 2016-04-17 Tom de Vries <tom@codesourcery.com>
641 * pretty-print.c (pp_write_text_as_dot_label_to_stream): Simplify loop
644 2016-04-17 Tom de Vries <tom@codesourcery.com>
647 * tree-pass.h (class opt_pass): Remove graph_dump_initialized member.
648 * dumpfile.h (struct dump_file_info): Add graph_dump_initialized field.
649 * dumpfile.c (dump_files): Initialize graph_dump_initialized field.
650 * passes.c (finish_optimization_passes): Only call
651 finish_graph_dump_file if dfi->graph_dump_initialized.
652 (execute_function_dump, pass_init_dump_file): Use
653 dfi->graph_dump_initialized instead of pass->graph_dump_initialized.
655 2016-04-17 Tom de Vries <tom@codesourcery.com>
657 PR tree-optimization/70256
658 * tree-ssa-structalias.c (dump_varinfo, debug_varinfo, dump_varmap)
659 (debug_varmap): New function.
661 2016-04-17 Tom de Vries <tom@codesourcery.com>
664 * passes.c (pass_manager::register_pass): Propagate pflags.
666 2016-04-17 Tom de Vries <tom@codesourcery.com>
669 * pass_manager.h (TERMINATE_PASS_LIST): Add pass argument.
670 * passes.c (pass_manager::pass_manager): Declare and init p_start in
671 INSERT_PASSES_AFTER. Add pass parameter to TERMINATE_PASS_LIST, and
672 check if it's equal to p_start.
673 * passes.def: Add arguments to TERMINATE_PASS_LISTs.
675 2016-04-15 Jan Hubicka <jh@suse.cz>
678 * cgraph.c (cgraph_set_const_flag_1): Only set as pure if
679 function does not bind to current def.
680 * ipa-pure-const.c (worse_state): Add FROM and TO parameters;
681 handle conservatively calls to functions that does not need to bind
683 (check_call): Update call of worse_state.
684 (ignore_edge_for_nothrow): Update.
685 (ignore_edge_for_pure_const): Likewise.
686 (propagate_pure_const): Update calls to worse_state.
687 (skip_function_for_local_pure_const): Reformat comments.
689 2016-04-15 Jan Hubicka <jh@suse.cz>
692 * cgraph.c (cgraph_node::get_availability): Add REF parameter.
693 (cgraph_node::function_symbol): Likewise.
694 (cgraph_node::function_or_virtual_thunk_symbol): Likewise.
695 * cgraph.h (symtab_node::get_availabbility): Add REF parameter.
696 (symtab_node::ultimate_alias_target): Add REF parameter.
697 (symtab_node::binds_to_current_def_p): Declare.
698 (symtab_node;:ultimate_alias_target_1): Add REF parameter.
699 (cgraph_node::function_symbol): Likewise.
700 (cgraph_node::function_or_virtual_thunk_symbol): Likewise.
701 (cgraph_node::get_availability): Likewise.
702 (cgraph_edge::binds_to_current_def_p): New inline function.
703 (varpool_node::get_availability): Add REF parameter.
704 (varpool_node::ultimate_alias_target): Likewise.
705 * symtab.c (symtab_node::ultimate_alias_target_1): Likewise.
706 (symtab_node::binds_to_current_def_p): Likewise.
707 * varpool.c (varpool_node::get_availability): Likewise.
709 2016-04-15 Kirill Yukhin <kirill.yukhin@intel.com>
712 * config/i386/sse.md(define_insn "<avx512>_vec_dup<mode><mask_name>"):
715 2016-04-15 Jakub Jelinek <jakub@redhat.com>
717 * BASE-VER: Set to 7.0.0.
719 2016-04-15 Alexander Monakov <amonakov@ispras.ru>
721 * config/nvptx/nvptx.opt (moptimize): Add a period at end of help text.
723 2016-04-15 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
725 * doc/invoke.texi (ARM Options): Add note on deprecation of pre-ARMv4T
726 architecture revisions.
728 2016-04-15 Bernd Schmidt <bschmidt@redhat.com>
730 * config/i386/i386-protos.h (ix86_using_red_zone): Declare.
731 * config/i386/i386.c (ix86_using_red_zone): No longer static.
732 * config/i386/i386.md (stack decrement to push peepholes): Guard
733 with !x86_using_red_zone ().
735 2016-04-15 Jakub Jelinek <jakub@redhat.com>
738 * tree-pretty-print.c (do_niy): Add FLAGS argument, pass it down
739 to dump_generic_node.
740 (NIY): Pass also flags to do_niy.
742 2016-04-15 Thomas Schwinge <thomas@codesourcery.com>
744 * omp-low.c (simd_clone_struct_alloc, simd_clone_struct_copy)
745 (simd_clone_vector_of_formal_parm_types)
746 (simd_clone_clauses_extract, simd_clone_compute_base_data_type)
747 (simd_clone_mangle, simd_clone_create)
748 (simd_clone_adjust_return_type, create_tmp_simd_array)
749 (simd_clone_adjust_argument_types, simd_clone_init_simd_arrays)
750 (struct modify_stmt_info, ipa_simd_modify_stmt_ops)
751 (ipa_simd_modify_function_body, simd_clone_linear_addend)
752 (simd_clone_adjust, expand_simd_clones, ipa_omp_simd_clone)
753 (pass_data_omp_simd_clone, class pass_omp_simd_clone)
754 (pass_omp_simd_clone::gate, make_pass_omp_simd_clone): Move into...
755 * omp-simd-clone.c: ... this new file.
756 (simd_clone_vector_of_formal_parm_types): Make it static.
757 * Makefile.in (OBJS): Add omp-simd-clone.o.
759 2016-04-15 Kirill Yukhin <kirill.yukhin@intel.com>
762 * config/i386/sse.md: Use proper memory operand modifiers.
765 2016-04-15 Richard Biener <rguenther@suse.de>
766 Alan Modra <amodra@gmail.com>
768 PR tree-optimization/70130
769 * tree-vect-data-refs.c (vect_supportable_dr_alignment): Detect
770 when alignment stays not the same and no not use the realign
773 2016-04-14 Michael Meissner <meissner@linux.vnet.ibm.com>
776 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add
777 direct move handlers for KFmode. Change TFmode handlers test from
778 FLOAT128_IEEE_P to FLOAT128_VECTOR_P.
780 2016-04-14 Jakub Jelinek <jakub@redhat.com>
783 * ipa-utils.h (polymorphic_ctor_dtor_p): New prototype.
784 * ipa-polymorphic-call.c (polymorphic_ctor_dtor_p): New function.
785 (inlined_polymorphic_ctor_dtor_block_p): Use it.
786 * tree-ssa-live.c (remove_unused_scope_block_p): When
787 in_ctor_dtor_block, avoid discarding not just BLOCKs with
788 BLOCK_ABSTRACT_ORIGIN being FUNCTION_DECL, but even when
789 block_ultimate_origin is FUNCTION_DECL.
790 (remove_unused_locals): If current_function_decl is
791 polymorphic_ctor_dtor_p, pass initial true to
792 remove_unused_scope_block_p' is_ctor_dtor_block.
794 2016-04-14 Martin Sebor <msebor@redhat.com>
799 * doc/extend.texi (Variable Length): Revert.
801 2016-04-14 Marek Polacek <polacek@redhat.com>
802 Jan Hubicka <hubicka@ucw.cz>
805 * tree.c (verify_type): Disable the canonical type of main variant
808 2016-04-14 Jason Merrill <jason@redhat.com>
810 * cfgexpand.c, expr.c: Revert previous change.
812 2016-04-14 Cesar Philippidis <cesar@codesourcery.com>
815 * omp-low.c (lower_oacc_reductions): Check for TREE_CONSTANT
816 when building a mem ref for the incoming reduction variable.
818 2016-04-14 Richard Biener <rguenther@suse.de>
820 PR tree-optimization/70614
821 * tree-scalar-evolution.c (analyze_evolution_in_loop): Terminate
822 loop if the evolution dropped to chrec_dont_know.
823 (interpret_condition_phi): Likewise.
825 2016-04-14 Richard Biener <rguenther@suse.de>
827 PR tree-optimization/70623
828 * tree-ssa-pre.c (changed_blocks): Make global ...
829 (compute_antic): ... local here. Move and fix worklist
830 handling here. Do not clear EDGE_DFS_BACK or call mark_dfs_back_edges.
831 (compute_antic_aux): Add dumping for MAX assumed succs. Remove
832 worklist handling, dump when ANTIC_IN changed.
833 (compute_partial_antic_aux): Remove worklist handling.
834 (init_pre): Do not compute post dominators. Add a comment about
835 the CFG order chosen.
836 (fini_pre): Do not free post dominators.
838 2016-04-13 Martin Sebor <msebor@redhat.com>
843 * doc/extend.texi (Variable Length): Document C++ specifics.
845 2016-04-13 Jakub Jelinek <jakub@redhat.com>
848 * ipa-pure-const.c (pass_nothrow::execute): Call maybe_clean_eh_stmt
849 on all recursive call stmts. Return TODO_cleanup_cfg if any dead
850 eh edges have been purged.
853 * tree-sra.c (create_access_replacement,
854 get_replaced_param_substitute): Set DECL_NAMELESS on repl if it
856 * tree-pretty-print.c (dump_fancy_name): New function.
857 (dump_decl_name, dump_generic_node): Use it.
859 2016-04-13 Jason Merrill <jason@redhat.com>
861 * cfgexpand.c (pass_expand::execute): Handle attribute "abi warning".
862 * expr.c (expand_expr_real_1): Likewise.
864 2016-04-13 Ilya Enkovich <ilya.enkovich@intel.com>
866 * config/i386/i386.md (kunpckhi): Swap operands.
867 (kunpcksi): Likewise.
868 (kunpckdi): Likewise.
869 * config/i386/sse.md (vec_pack_trunc_qi): Likewise.
870 (vec_pack_trunc_<mode>): Likewise.
872 2016-04-13 Jakub Jelinek <jakub@redhat.com>
875 * explow.c (convert_memory_address_addr_space_1): Formatting fix.
878 * gimplify.c (gimplify_init_constructor): Clear TREE_STATIC if
879 gimplification turns some element into non-constant.
882 * rtl.h (convert_memory_address_addr_space_1): New prototype.
883 * explow.c (convert_memory_address_addr_space_1): No longer static,
884 add NO_EMIT argument and don't call convert_modes if true, pass
885 it down recursively, remove break after return.
886 (convert_memory_address_addr_space): Adjust caller.
887 * simplify-rtx.c (simplify_unary_operation_1): Call
888 convert_memory_address_addr_space_1 instead of convert_memory_address,
889 if it returns NULL, don't simplify.
891 2016-04-12 Eric Botcazou <ebotcazou@adacore.com>
894 * config/sparc/sparc.c (sparc_compute_frame_size): Add parentheses.
896 2016-04-12 Jakub Jelinek <jakub@redhat.com>
898 * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
899 Bump the upper SIMDLEN limits, so that if the return type or
900 characteristic type if the return type is void can be passed in
901 all available SSE2/AVX/AVX2/AVX512-F registers, the SIMDLEN is
904 2016-04-12 Michael Meissner <meissner@linux.vnet.ibm.com>
907 * config/rs6000/rs6000.md (ieee_128bit_vsx_neg<mode>2_internal):
908 Do not use "=" constraint on an input constraint.
909 (ieee_128bit_vsx_abs<mode>2_internal): Likewise.
910 (ieee_128bit_vsx_nabs<mode>2_internal): Likewise.
911 (ieee_128bit_vsx_nabs<mode>2): Correct splitter so that it
912 generates (neg (abs ...)) instead of (abs ...).
914 2016-04-12 Jakub Jelinek <jakub@redhat.com>
916 PR rtl-optimization/70596
917 * lra-spills.c (spill_pseudos): Don't delete debug insns, instead
918 just invalidate LRA data and reset them. Adjust dump wording.
920 2016-04-12 Martin Liska <mliska@suse.cz>
923 2016-03-30 Jan Hubicka <hubicka@ucw.cz>
925 * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can't get realistic
927 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
928 max_loop_iterations_int.
929 (tree_unswitch_outer_loop): Likewise.
930 * tree-ssa-loop-ivopts.c (avg_loop_niter): Likewise.
931 * tree-vect-loop.c (vect_analyze_loop_2): Likewise.
933 2016-04-12 Tom de Vries <tom@codesourcery.com>
935 PR tree-optimization/68756
936 * graphite-isl-ast-to-gimple.c (copy_cond_phi_args): Use new_expr
939 2016-04-12 Jakub Jelinek <jakub@redhat.com>
941 PR tree-optimization/70602
942 * tree-sra.c (generate_subtree_copies): Don't write anything into
945 * omp-low.c (lower_omp_target): Use GOMP_MAP_FIRSTPRIVATE_INT
946 regardless whether there are depend clauses or not.
948 2016-04-11 Michael Meissner <meissner@linux.vnet.ibm.com>
951 * config/rs6000/rs6000.c (rs6000_opt_masks): Disable using the
952 target attribute and pragma from changing the -mfloat128
953 and -mfloat128-hardware options.
955 * doc/extend.texi (Additional Floating Types): Document PowerPC
956 __float128 restrictions.
958 2016-04-11 James Greenhalgh <james.greenhalgh@arm.com>
961 * config/aarch64/driver-aarch64.c
962 (aarch64_get_extension_string_for_isa_flags): New.
963 (arch_extension): Rename to...
964 (aarch64_arch_extension): ...This.
965 (ext_to_feat_string): Rename to...
966 (aarch64_extensions): ...This.
967 (aarch64_core_data): Keep track of architecture extension flags.
968 (cpu_data): Rename to...
969 (aarch64_cpu_data): ...This.
970 (aarch64_arch_driver_info): Keep track of architecture extension
972 (get_arch_name_from_id): Rename to...
973 (get_arch_from_id): ...This, change return type.
974 (host_detect_local_cpu): Update and reformat for renames, handle
975 extensions through common infrastructure.
977 2016-04-11 James Greenhalgh <james.greenhalgh@arm.com>
980 * config/aarch64/aarch64-common.c (aarch64_option_extension): Keep
981 track of a canonical flag name.
982 (all_extensions): Likewise.
983 (arch_to_arch_name): Also track extension flags enabled by the arch.
984 (all_architectures): Likewise.
985 (aarch64_parse_extension): Move to here.
986 (aarch64_get_extension_string_for_isa_flags): Take a new argument,
988 (aarch64_rewrite_selected_cpu): Update for above change.
989 * config/aarch64/aarch64-option-extensions.def: Rework the way flags
990 are handled, such that the single explicit value enabled by an
991 extension is kept seperate from the implicit values it also enables.
992 * config/aarch64/aarch64-protos.h (aarch64_parse_opt_result): Move
994 (aarch64_parse_extension): New.
995 * config/aarch64/aarch64.c (aarch64_parse_opt_result): Move from
996 here to config/aarch64/aarch64-protos.h.
997 (aarch64_parse_extension): Move from here to
998 common/config/aarch64/aarch64-common.c.
999 (aarch64_option_print): Update.
1000 (aarch64_declare_function_name): Likewise.
1001 (aarch64_start_file): Likewise.
1002 * config/aarch64/driver-aarch64.c (arch_extension): Keep track of
1003 the canonical flag for extensions.
1004 * config.gcc (aarch64*-*-*): Extend regex for capturing extension
1007 2016-04-11 James Greenhalgh <james.greenhalgh@arm.com>
1009 * config/aarch64/aarch64.h (AARCH64_FL_FOR_ARCH8_1): Also add
1012 2016-04-09 Tom de Vries <tom@codesourcery.com>
1014 PR tree-optimization/68953
1015 * graphite-sese-to-poly.c (pdr_add_memory_accesses): Order accesses from
1016 first to last subscript.
1018 2016-04-09 Jakub Jelinek <jakub@redhat.com>
1020 PR tree-optimization/70586
1021 * tree-ssa-ifcombine.c (bb_no_side_effects_p): Return false
1024 2016-04-08 Cesar Philippidis <cesar@codesourcery.com>
1028 PR tree-optimization/70373
1032 * gimplify.c (gimplify_adjust_omp_clauses): Add or adjust data
1033 clauses for acc parallel reductions as necessary. Error on those
1035 * omp-low.c (scan_sharing_clauses): Don't install variables which
1036 are used in acc parallel reductions.
1037 (lower_rec_input_clauses): Remove dead code.
1038 (lower_oacc_reductions): Add support for reference reductions.
1039 (lower_reduction_clauses): Remove dead code.
1040 (lower_omp_target): Don't remap variables appearing in acc parallel
1042 * tree.h (OMP_CLAUSE_MAP_IN_REDUCTION): New macro.
1044 2016-04-08 Jakub Jelinek <jakub@redhat.com>
1047 * tree-ssa-coalesce.c (build_ssa_conflict_graph): For stmt
1048 with multiple SSA_NAME defs, force the outputs other than first
1049 to be live before calling live_track_process_def on each output.
1051 PR rtl-optimization/70574
1052 * fwprop.c (forward_propagate_and_simplify): Don't add
1053 REG_EQUAL note if DF_REF_REG (use) is a paradoxical subreg.
1054 (try_fwprop_subst): Don't add REG_EQUAL note if there are any
1055 paradoxical subregs within *loc.
1057 2016-04-08 Thomas Schwinge <thomas@codesourcery.com>
1059 * config/arc/arc.h (LINK_COMMAND_SPEC): Use gt to ignore
1060 -ftree-parallelize-loops={0,1}.
1061 * config/darwin.h (LINK_COMMAND_SPEC_A): Likewise.
1062 * config/i386/mingw32.h (GOMP_SELF_SPECS): Likewise.
1063 * config/ia64/hpux.h (LIB_SPEC): Likewise.
1064 * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
1065 * config/pa/pa64-hpux.h (LIB_SPEC): Likewise.
1067 2016-04-08 Maxim Ostapenko <m.ostapenko@samsung.com>
1070 * asan.c (instrument_derefs): If we get unknown location, extract it
1072 (maybe_instrument_call): Instrument gimple_call's arguments if needed.
1074 2016-04-08 Tom de Vries <tom@codesourcery.com>
1076 * omp-low.c (lower_omp_target): Set TREE_NO_WARNING for oacc
1077 implicit firstprivate clause.
1079 2016-04-08 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1082 * config/arm/thumb2.md (tst + branch-> lsls + branch
1083 peephole below *orsi_not_shiftsi_si): Require that condition
1084 register is dead after the peephole.
1085 (second peephole after the above): Likewise.
1087 2016-04-08 Alan Modra <amodra@gmail.com>
1090 * builtins.c (fold_builtin_classify): For IBM extended precision,
1091 look at just the high-order double to test for NaN.
1092 (fold_builtin_interclass_mathfn): Similarly for Inf. For isnormal
1093 test just the high double for Inf but both doubles for subnormal
1096 2016-04-07 Jakub Jelinek <jakub@redhat.com>
1098 * cgraph.h (struct cgraph_simd_clone): Add mask_mode field.
1099 * omp-low.c (simd_clone_init_simd_arrays, simd_clone_adjust): Handle
1100 node->simdclone->mask_mode != VOIDmode masks.
1101 (simd_clone_adjust_argument_types): Likewise. Move sc var definition
1102 earlier, use it instead of node->simdclone.
1103 * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
1104 Set clonei->mask_mode.
1106 2016-04-06 Patrick Palka <ppalka@gcc.gnu.org>
1109 * parser.c (cp_parser_iteration_statement): New parameter IF_P.
1110 Pass it through to cp_parser_already_scoped_statement.
1111 (cp_parser_already_scoped_statement): New parameter IF_P. Pass
1112 it through to cp_parser_statement.
1113 (cp_parser_statement): Pass IF_P through to
1114 cp_parser_iteration_statement.
1115 (cp_parser_pragma): Adjust call to
1116 cp_parser_iteration_statement.
1118 2016-04-06 Patrick Palka <ppalka@gcc.gnu.org>
1121 * gimplify.c (gimplify_omp_ordered): Add explicit braces to
1122 resolve a future -Wparentheses warning.
1123 * omp-low.c (scan_sharing_clauses): Likewise.
1124 * tree-parloops.c (eliminate_local_variables): Likewise.
1126 2016-04-06 Vladimir Makarov <vmakarov@redhat.com>
1128 PR rtl-optimization/70398
1129 * lra-constraints.c (process_address_1): Check zero scale and code
1130 for reloading with zero scale.
1132 2016-04-06 Uros Bizjak <ubizjak@gmail.com>
1134 * config/i386/sse.md (shuffletype): Add V32HI and V4TI modes.
1135 (ssescalarsize): Add V8SF, V4SF, V4DF and V2DF modes.
1137 2016-04-06 Jakub Jelinek <jakub@redhat.com>
1139 * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
1140 Add support for AVX512F clones, include them by default for
1141 exported OpenMP declare simd functions. For AVX2 allow simdlen 32
1142 and use it if charasteric type is 8-bit, for AVX512F allow simdlen
1146 * tree.h (OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT): Define.
1147 * gimplify.c (gimplify_adjust_omp_clauses_1): Set it for implicit
1148 firstprivate clauses.
1149 * omp-low.c (lower_send_clauses): Set TREE_NO_WARNING for
1150 OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT !by_ref vars in task contexts.
1151 (lower_omp_target): Set TREE_NO_WARNING for
1152 non-addressable possibly uninitialized vars which are copied into
1153 addressable temporaries or copied for GOMP_MAP_FIRSTPRIVATE_INT.
1155 2016-04-05 John David Anglin <danglin@gcc.gnu.org>
1157 * config/pa/predicates.md (integer_store_memory_operand): Accept
1158 REG+D operands with a large offset when reload_in_progress is true.
1159 (floating_point_store_memory_operand): Likewise.
1161 2016-04-05 Jakub Jelinek <jakub@redhat.com>
1164 * match.pd (nested int casts): Limit to GIMPLE.
1166 2016-04-05 Jan Hubicka <hubicka@ucw.cz>
1169 * ipa-devirt.c (maybe_record_node): Fix comment; use
1170 SANITIZE_UNREACHABLE instead of SANITIZE_UNDEFINED.
1172 2016-04-05 Jakub Jelinek <jakub@redhat.com>
1174 PR rtl-optimization/70542
1175 * ree.c (add_removable_extension): For VECTOR_MODE_P punt
1176 if there are any uses other than insn or debug insns.
1178 2016-04-05 Marc Glisse <marc.glisse@inria.fr>
1179 Jakub Jelinek <jakub@redhat.com>
1181 PR tree-optimization/70509
1182 * simplify-rtx.c (simplify_binary_operation_1) <case VEC_SELECT>:
1183 Shift HOST_WIDE_INT_1U instead of 1.
1185 2016-04-05 Zdenek Sojka <zsojka@seznam.cz>
1187 PR tree-optimization/70509
1188 * tree-ssa-forwprop.c (simplify_bitfield_ref): Use bitsize_int instead
1189 of the vector base type for index.
1191 2016-04-05 Uros Bizjak <ubizjak@gmail.com>
1194 * config/i386/sse.md (iptr): Add V64QI, V32HI, V16SI and V8DI modes.
1196 2016-04-05 Richard Biener <rguenther@suse.de>
1198 PR tree-optimization/70526
1199 * tree-sra.c (build_ref_for_offset): Use prev_base to
1200 extract the alias pointer type.
1202 2016-04-05 Richard Biener <rguenther@suse.de>
1204 * dse.c (struct store_info): Remove alias_set member.
1205 (struct read_info_type): Likewise.
1206 (clear_alias_group, clear_alias_mode_table, clear_alias_mode_holder,
1207 spill_deleted, clear_alias_set_lookup): Remove.
1208 (get_group_info): Remove dead base == NULL_RTX case.
1209 (dse_step0): Remove initialization of removed variables.
1210 (delete_dead_store_insn): Reomve alias set dumping.
1211 (free_read_records): Remove alias_set handling.
1212 (canon_address): Remove alias_set_out parameter.
1213 (record_store): Remove spill_alias_set, it's always zero.
1214 (check_mem_read_rtx): Likewise.
1215 (dse_step2): Rename from ...
1216 (dse_step2_nospill): ... this. Adjust.
1217 (scan_stores): Rename from ...
1218 (scan_stores_nospill): ... this.
1219 (scan_reads): Rename from ...
1220 (scan_reads_nospill): ... this.
1221 (scan_stores_spill, scan_reads_spill): Remove.
1222 (dse_step3_scan): Remove for_spills argument which is always false.
1223 (dse_step3): Likewise.
1224 (dse_step5): Rename from ...
1225 (dse_step5_nospill): ... this. Remove alias_set handling.
1226 (rest_of_handle_dse): Adjust.
1228 2016-04-05 Jakub Jelinek <jakub@redhat.com>
1231 * config/i386/sse.md (*andnot<mode>3): Simplify assertions.
1232 Use vpandn<ssemodesuffix> for V16SI/V8DImode, vpandnq for
1233 V32HI/V64QImode, don't use <mask_operand3_1>, fix up formatting.
1234 (*andnot<mode>3_mask): Remove insn with VI12_AVX512VL iterator.
1236 2016-04-05 Richard Biener <rguenther@suse.de>
1239 * gimplify-me.c (gimple_regimplify_operands): Do not rewrite
1240 non-register type temporaries into SSA.
1242 2016-04-04 Jan Hubicka <hubicka@ucw.cz>
1245 * ipa-devirt.c (maybe_record_node): Do not optimize cxa_pure_virtual
1246 calls when sanitizing.
1247 (possible_polymorphic_call_target_p): Fix formatting.
1249 2016-04-04 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1250 Jakub Jelinek <jakub@redhat.com>
1253 * tree-inline.c (estimate_num_insn): Use gimple_call_builtin_p
1254 to ensure a call statement is compatible with a built-in's
1256 * tree-ssa-math-opts.c (pass_optimize_windening_mul::execute):
1259 2016-04-04 Richard Biener <rguenther@suse.de>
1261 PR rtl-optimization/70484
1262 * rtl.h (canon_output_dependence): Declare.
1263 * alias.c (canon_output_dependence): New function.
1264 * dse.c (record_store): Use canon_output_dependence rather
1265 than canon_true_dependence.
1267 2016-03-30 Jan Hubicka <hubicka@ucw.cz>
1270 * cgraph.h (symtab_node::copy_visibility_from): New function.
1271 * symtab.c (symtab_node::copy_visibility_from): New function.
1272 * ipa-visibility.c (optimize_weakref): New function.
1273 (function_and_variable_visibility): Use it.
1275 2016-04-04 Martin Liska <mliska@suse.cz>
1278 * hsa-gen.c (gen_hsa_insns_for_switch_stmt): Guard index
1279 value that is really in range handled by SBR instruction.
1280 * hsa-brig.c (emit_switch_insn): Do not emit unconditional jump.
1281 * hsa-dump.c (dump_hsa_insn_1): Do not dump default BB.
1282 * hsa.h (hsa_insn_sbr::m_default_bb): Remove field.
1284 2016-04-03 Oleg Endo <olegendo@gcc.gnu.org>
1288 * config/sh/sh.md (*addsi3): Allow pattern when reload_in_progress is
1289 set, but not for SP_REG operands.
1291 2016-04-02 Martin Sebor <msebor@redhat.com>
1294 * fold-const.c (maybe_nonzero_address): New function.
1295 (fold_comparison): Call it. Fold equality and relational
1296 expressions involving null pointers.
1297 (tree_single_nonzero_warnv_p): Call maybe_nonzero_address.
1299 2016-03-31 Evandro Menezes <e.menezes@samsung.com>
1301 Fix the predicate "aarch64_simd_reg_or_zero" to correctly validate
1302 the "Y" constraint (scalar FP 0.0 immediate).
1304 * gcc/config/aarch64/predicates.md (aarch64_simd_reg_or_zero):
1305 Add the "const_double" to the list of operand constraints.
1307 2016-04-01 Jakub Jelinek <jakub@redhat.com>
1309 PR rtl-optimization/70467
1310 * config/i386/i386.md (*add<dwi>3_doubleword, *sub<dwi>3_doubleword):
1311 If low word of the last operand is 0, just emit addition/subtraction
1314 2016-04-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
1317 * config/s390/s390.c (s390_expand_insv): Check for everything
1318 constant instead of just VOIDmode stuff.
1320 2016-04-01 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
1323 * config/arm/arm.h (ASM_APP_OFF): Handle TARGET_ARM and TARGET_THUMB.
1325 2016-04-01 Nathan Sidwell <nathan@acm.org>
1327 * tree.def (TRY_CATCH_EXPR): Correct documentation.
1329 2016-03-31 Vladimir Makarov <vmakarov@redhat.com>
1331 PR rtl-optimization/70461
1332 * ira-color.c (allocno_copy_cost_saving): Use allocno class if it
1335 2016-03-31 Martin Liska <mliska@suse.cz>
1338 * hsa-brig.c (hsa_op_immed::emit_to_buffer): Emit either
1339 a tree value or an immediate integer value to a buffer
1340 that is eventually copied to a BRIG section.
1341 (emit_immediate_operand): Call the function here.
1342 * hsa-dump.c (dump_hsa_immed): Remove checking assert.
1343 * hsa-gen.c (hsa_op_immed::hsa_op_immed): Remove initialization
1344 of class' fields that are removed.
1345 (hsa_op_immed::~hsa_op_immed): Remove deinitialization.
1346 * hsa.h (class hsa_op_immed): Remove m_brig_repr and
1347 m_brig_repr_size fields.
1349 2016-03-31 Martin Liska <mliska@suse.cz>
1352 * hsa-gen.c (hsa_function_representation::update_dominance): New
1354 (convert_addr_to_flat_segment): Likewise.
1355 (gen_hsa_memory_set): New alignment argument.
1356 (gen_hsa_ctor_assignment): Likewise.
1357 (gen_hsa_insns_for_single_assignment): Provide alignment
1358 to gen_hsa_ctor_assignment.
1359 (gen_hsa_insns_for_direct_call): Add new argument.
1360 (expand_lhs_of_string_op): New function.
1361 (expand_string_operation_builtin): Likewise.
1362 (expand_memory_copy): New function.
1363 (expand_memory_set): New function.
1364 (gen_hsa_insns_for_call): Use HOST_WIDE_INT.
1365 (convert_switch_statements): Change signature.
1366 (generate_hsa): Use a return value of the function.
1367 (pass_gen_hsail::execute): Do not call
1368 convert_switch_statements here.
1369 * hsa-regalloc.c (hsa_regalloc): Call update_dominance.
1370 * hsa.h (hsa_function_representation::m_modified_cfg): New flag.
1371 (hsa_function_representation::update_dominance): New function.
1373 2016-03-31 Martin Liska <mliska@suse.cz>
1376 * hsa-brig.c (emit_directive_variable): Emit alignment
1377 according to hsa_symbol::m_align.
1378 * hsa-dump.c (hsa_byte_alignment): Move the function to another file.
1379 (dump_hsa_symbol): Dump alignment of HSA symbols.
1380 * hsa-gen.c (get_symbol_for_decl): Set-up alignment of a symbol.
1381 (gen_hsa_addr_with_align): New function.
1382 (hsa_bitmemref_alignment): Use newly added function.
1383 (gen_hsa_insns_for_load): Likewise.
1384 (gen_hsa_insns_for_store): Likewise.
1385 (gen_hsa_memory_copy): New argument added.
1386 (gen_hsa_insns_for_single_assignment): Respect
1387 alignment for assignments processed via gen_hsa_memory_copy.
1388 (gen_hsa_insns_for_direct_call): Likewise.
1389 (gen_hsa_insns_for_return): Likewise.
1390 (gen_function_def_parameters): Set default alignment.
1391 * hsa.c (hsa_object_alignment): New function.
1392 (hsa_byte_alignment): Pasted function.
1393 * hsa.h (hsa_symbol::m_align): New field.
1395 2016-03-31 Bin Cheng <bin.cheng@arm.com>
1397 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Initialize
1398 scratch field for goto case.
1400 2016-03-31 James Greenhalgh <james.greenhalgh@arm.com>
1402 * config/arm/linux-elf.h (ASM_OUTPUT_DEF): Delete.
1404 2016-03-31 Ilya Enkovich <enkovich.gnu@gmail.com>
1407 * config/i386/i386.c (scalar_chain::convert_op): Fix description.
1408 (scalar_chain::convert_insn): Call convert_op for reg
1409 moves to handle undefined registers.
1411 2016-03-31 Nathan Sidwell <nathan@acm.org>
1414 * varasm.c (output_constructor_regular_field): Flush bitfield earlier.
1415 Assert we don't want to move backwards.
1417 2016-03-31 Kirill Yukhin <kirill.yukhin@intel.com>
1420 * config/i386/sse.md (define_mode_attr shuffletype): Fix typo.
1422 2016-03-31 Jakub Jelinek <jakub@redhat.com>
1424 PR rtl-optimization/70460
1425 * ira.c (indirect_jump_optimize): Don't substitute LABEL_REF
1426 with operand from REG_LABEL_OPERAND, instead substitute
1427 SET_SRC or REG_EQUAL note content if it is a LABEL_REF.
1428 Don't do anything for REG_NON_LOCAL_GOTO jumps.
1430 2016-03-31 Martin Liska <mliska@suse.cz>
1432 * passes.c (execute_one_pass): Do not call
1433 todo_after for a discarded function.
1435 2016-03-31 Bin Cheng <bin.cheng@arm.com>
1437 * tree-ssa-loop-ivopts.c (struct comp_cost): New scrach field.
1438 (no_cost, infinite_cost): Initialize the new field.
1439 (get_computation_cost_at): Record setup cost.
1440 (determine_use_iv_cost_address): Skip cost computation for sub
1441 uses if we can estimate it without losing accuracy.
1443 2016-03-30 Jan Hubicka <hubicka@ucw.cz>
1445 * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can't get realistic
1447 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
1448 max_loop_iterations_int.
1449 (tree_unswitch_outer_loop): Likewise.
1450 * tree-ssa-loop-ivopts.c (avg_loop_niter): Likewise.
1451 * tree-vect-loop.c (vect_analyze_loop_2): Likewise.
1453 2016-03-30 Richard Biener <rguenther@suse.de>
1456 * fold-const.c (extract_muldiv_1): Fix thinko in wide_int::from usage.
1458 2016-03-30 Jakub Jelinek <jakub@redhat.com>
1461 * config/i386/i386.c (ix86_expand_vector_set): Fix up argument order
1462 in gen_blendm expander.
1464 2016-03-30 Nick Clifton <nickc@redhat.com>
1467 * config/arm/arm.c (arm_reload_out_hi): Add code to handle the
1468 case where we are already provided with an SImode SUBREG.
1470 2016-03-30 H.J. Lu <hongjiu.lu@intel.com>
1473 * config/i386/i386.c (ix86_expand_epilogue): Properly check
1474 conflict between DRAP register and __builtin_eh_return.
1476 2016-03-30 Michael Matz <matz@suse.de>
1477 Richard Biener <rguenther@suse.de>
1480 * ipa-polymorphic-call.c (struct type_change_info): Change
1481 speculative to an unsigned allowing to limit the work we do.
1482 (csftc_abort_walking_p): New inline function..
1483 (check_stmt_for_type_change): Limit the number of may-defs
1484 skipped for speculative devirtualization to
1485 max-speculative-devirt-maydefs.
1486 * params.def (max-speculative-devirt-maydefs): New param.
1487 * doc/invoke.texi (--param max-speculative-devirt-maydefs): Document.
1489 2016-03-30 Mike Stump <mrs@gcc.gnu.org>
1492 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Use when profiling
1495 2016-03-30 Patrick Palka <ppalka@gcc.gnu.org>
1497 PR tree-optimization/59124
1498 * tree-vrp.c (register_edge_assert_for_2): For NAME != CST1
1499 where NAME = A +- CST2 add the assertion A != (CST1 -+ CST2).
1501 2016-03-29 Jeff Law <law@redhat.com>
1503 * tree-ssa-coalesce.c (struct ssa_conflicts): Fix typo in comment.
1505 2016-03-10 Jan Hubicka <hubicka@ucw.cz>
1507 * tree-ssa-loop-ivcanon.c (try_peel_loop): Change type of peel
1510 2016-03-29 Thomas Schwinge <thomas@codesourcery.com>
1512 * config/gnu.h (CPP_SPEC, LIB_SPEC): Don't override.
1513 * config/i386/gnu.h (STARTFILE_SPEC): Use gcrt1.o instead of
1514 gcrt0.o if linking dynamically.
1516 2016-03-10 Jan Hubicka <hubicka@ucw.cz>
1519 * ipa-devirt.c (methods_equal_p): New function.
1520 (compare_virtual_tables): Use it.
1521 * cgraph.h (symbol_table::symbol_suffix_separator): Declare.
1522 * cgraphclones.c (clone_function_name_1): Use
1523 symbol_table::symbol_suffix_separator.
1524 * coverage.c (build_var): Likewise.
1525 * symtab.c (symbol_table::symbol_suffix_separator): New.
1527 2016-03-29 Jakub Jelinek <jakub@redhat.com>
1529 PR rtl-optimization/70429
1530 * combine.c (simplify_shift_const_1): For ASHIFTRT don't optimize
1531 (cst1 >> count) >> cst2 into (cst1 >> cst2) >> count if
1532 mode != result_mode.
1535 * tree-inline.c (remap_decls): Don't add_local_decl if cfun is null.
1537 PR tree-optimization/70405
1538 * ssa-iterators.h (num_imm_uses): Add missing braces.
1540 2016-03-29 Vladimir Makarov <vmakarov@redhat.com>
1542 PR rtl-optimization/68695
1543 * ira-color.c (allocno_copy_cost_saving): New.
1544 (improve_allocation): Use it.
1546 2016-03-29 Richard Henderson <rth@redhat.com>
1549 * lower-subreg.c (simplify_subreg_concatn): Reject paradoxical subregs.
1551 2016-03-29 Richard Biener <rguenther@suse.de>
1554 * ipa-prop.c (ipa_compute_jump_functions_for_edge): Always
1555 use alignment returned by get_pointer_alignment_1 if it is
1556 bigger than BITS_PER_UNIT.
1557 * builtins.c (get_pointer_alignment_1): Do not return true
1558 for alignment extracted from SSA info.
1560 2016-03-28 James Bowman <james.bowman@ftdichip.com>
1562 * config/ft32/ft32.opt (mnodiv): New.
1563 * config/ft32/ft32.md (*divsi3, *modsi3): Qualify with TARGET_NODIV.
1564 * doc/invoke.texi (FT32 Options -mnodiv): New.
1566 2016-03-28 Kirill Yukhin <kirill.yukhin@intel.com>
1569 * config/i386/i386.md (define_split, andn): Fix modes.
1571 2016-03-26 Richard Biener <rguenther@suse.de>
1572 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
1575 * ipa-inline-transform.c (inline_call): Pass opts_for_fn (to->decl)
1577 TREE_OPTIMIZATION (DECL_FUNCTION_SPECIFIC_OPTIMIZATION (to->decl))
1578 as 2nd argument to cl_optimization_restore().
1580 2016-03-25 Richard Henderson <rth@redhat.com>
1583 * config/aarch64/aarch64.c (aarch64_asm_output_pool_epilogue): New.
1584 * config/aarch64/aarch64-protos.h: Declare it.
1585 * config/aarch64/aarch64.h (ASM_OUTPUT_POOL_EPILOGUE): New.
1587 2016-03-25 Alan Modra <amodra@gmail.com>
1590 * config/rs6000/constraints.md (j): Simplify.
1591 * config/rs6000/predicates.md (easy_fp_constant): Exclude
1593 * config/rs6000/rs6000.md (zero_fp): New mode_attr.
1594 (mov<mode>_hardfloat, mov<mode>_hardfloat32, mov<mode>_hardfloat64,
1595 mov<mode>_64bit_dm, mov<mode>_32bit): Use zero_fp in place of j
1596 in all constraint alternatives.
1597 (movtd_64bit_nodm): Delete "j" constraint alternative.
1599 2016-03-24 Aldy Hernandez <aldyh@redhat.com>
1601 * tree-ssa-propagate.c: Enhance docs for
1602 SSA_PROP_NOT_INTERESTING.
1604 2016-03-24 Aldy Hernandez <aldyh@redhat.com>
1606 * doc/extend.texi: Fix typo in documentation to pure attribute.
1608 2016-03-24 John David Anglin <danglin@gcc.gnu.org>
1611 * config/pa/pa.md (bswapdi2): Use a scratch register.
1613 2016-03-24 Richard Henderson <rth@redhat.com>
1616 * fold-const.c (extract_muldiv_1): Correct test for multiplication
1619 2016-03-24 Uros Bizjak <ubizjak@gmail.com>
1621 * config/i386/i386.md (*anddi3_doubleword): Generate AND insn
1622 using ix86_expand_binary_operator instead of gen_andsi3.
1624 2016-03-24 Richard Biener <rguenther@suse.de>
1626 PR tree-optimization/70396
1627 * tree-vect-stmts.c (vectorizable_comparison): Use
1628 get_vectype_for_scalar_type.
1630 2016-03-24 Richard Biener <rguenther@suse.de>
1633 * gimplify.c (gimplify_asm_expr): Handle !allows_mem outputs
1634 with register bases.
1636 2016-03-24 Richard Biener <rguenther@suse.de>
1638 PR tree-optimization/70372
1639 * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Use
1640 build_all_ones_cst to also handle vector types correctly.
1642 2016-03-23 Michael Meissner <meissner@linux.vnet.ibm.com>
1645 * config/rs6000/rs6000-cpus.def (ISA_2_6_MASKS_SERVER): Do not set
1648 2016-03-23 Marek Polacek <polacek@redhat.com>
1651 * doc/invoke.texi: Document -Wignored-attributes.
1653 2016-03-23 Bin Cheng <bin.cheng@arm.com>
1655 PR tree-optimization/69042
1656 * params.def (PARAM_IV_CONSIDER_ALL_CANDIDATES_BOUND): Increase the
1657 parameter from 30 to 40.
1659 2016-03-23 Bin Cheng <bin.cheng@arm.com>
1661 PR tree-optimization/69042
1662 * tree-ssa-loop-ivopts.c (add_iv_candidate_for_use): Add IV cand
1663 for use with constant offset stripped in base.
1665 2016-03-23 Richard Biener <rguenther@suse.de>
1668 * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Adjust
1669 mode compatibility check.
1670 (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
1672 2016-03-23 Jeff Law <law@redhat.com>
1674 PR tree-optimization/64058
1675 * tree-ssa-coalesce.c (struct coalesce_pair): Add new field
1677 (struct ssa_conflicts): Move up earlier in the file.
1678 (conflicts_, var_map_): New static variables.
1679 (initialize_conflict_count): New function to initialize the
1680 CONFLICT_COUNT field for each conflict pair.
1681 (compare_pairs): Lazily initialize the conflict count and use it
1682 as the first tie-breaker.
1683 (sort_coalesce_list): Add new arguments conflicts, map. Initialize
1684 and wipe conflicts_ and map_ around the call to qsort. Remove
1685 special case for 2 coalesce pairs.
1686 * bitmap.c (bitmap_count_unique_bits): New function.
1687 (bitmap_count_bits_in_word): New function, extracted from
1689 (bitmap_count_bits): Use bitmap_count_bits_in_word.
1690 * bitmap.h (bitmap_count_unique_bits): Declare it.
1692 2016-03-23 Ilya Enkovich <enkovich.gnu@gmail.com>
1695 * config/i386/sol2.h (ASM_OUTPUT_DEF_FROM_DECLS): Follow
1696 transparent alias chain for decl assembler name.
1697 * config/sol2.c (solaris_assemble_visibility): Likewise.
1699 2016-03-23 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1701 * config/arm/arm1020e.md (1020call_op): Reduce reservation
1703 (v10_fdivs): Likewise.
1704 (v10_fdivd): Likewise.
1706 2016-03-23 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1709 * config/arm/driver-arm.c (host_detect_local_cpu): Reorder exit logic
1710 to not call fclose twice on file.
1712 2016-03-23 Jakub Jelinek <jakub@redhat.com>
1714 PR tree-optimization/70354
1715 * tree-vect-patterns.c (vect_recog_vector_vector_shift_pattern): If
1716 oprnd0 is wider than oprnd1 and there is a cast from the wider
1717 type to oprnd1, mask it with the mask of the narrower type.
1720 * config/i386/i386.md (*anddi3_doubleword, *<code>di3_doubleword):
1721 Optimize TARGET_STV splitters, if high or low word of last argument
1724 2016-03-22 Jeff Law <law@redhat.com>
1727 tree-ssa-threadbackward.c
1728 (fsm_find_control_statement_thread_paths): Correctly distinguish
1729 between old style jump threads vs FSM jump threads.
1731 2016-03-22 Ilya Enkovich <enkovich.gnu@gmail.com>
1734 * config/i386/i386.c (scalar_chain::convert_op): Support
1735 uninitialized register usage case.
1737 2016-03-22 Richard Biener <rguenther@suse.de>
1740 * genmatch.c (gen_transform): Adjust last parameter to a three-state
1742 (capture::gen_transform): ... to change behavior when substituting
1743 a condition into cond or not-cond expr context.
1744 (dt_simplify::gen_1): Adjust.
1745 * gimple-match-head.c: Include gimplify.h for unshare_expr.
1746 * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Revert
1747 last change and instead change to
1748 A + (B vcmp C ? 1 : 0) -> A - (B vcmp C ? -1 : 0).
1749 (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
1751 2016-03-22 Anthony Green <green@moxielogic.com>
1753 * config/moxie/moxiebox.h (CC1_SPEC): Define. Fix endianness
1754 issue for moxiebox targets.
1755 (CC1PLUS_SPEC): Ditto.
1757 2016-03-22 Richard Biener <rguenther@suse.de>
1760 * fold-const.c (extract_muldiv_1): Properly perform multiplication
1763 2016-03-22 Kirill Yukhin <kirill.yukhin@intel.com>
1765 * config/i386/i386.c (def_builtin): Remove duplicated functionality.
1767 2016-03-22 Kirill Yukhin <kirill.yukhin@intel.com>
1770 * config/i386/i386.c (def_builtin): Handle
1771 OPTION_MASK_ISA_AVX512VL to be and-ed with other
1773 (const struct builtin_description bdesc_special_args[]):
1774 Remove duplicate ISA bits.
1776 2016-03-22 Jakub Jelinek <jakub@redhat.com>
1779 * config/i386/i386.c (ix86_expand_vecop_qihi): Don't bother computing
1780 d.perm[i] for i >= d.nelt. If not full_interleave, compute d.perm[i]
1781 in a way that works also for AVX512BW.
1784 * config/i386/i386.md (cvtsd2ss splitter): Unpack in destination
1785 instead of source if operands[1] is xmm16 and above and
1786 !TARGET_AVX512VL. Use avx512f_vec_dupv16sf_1 instead of
1787 vec_interleave_lowv4sf if we need to unpack xmm16 and above.
1790 * gimplify.c (gimplify_modify_expr): Call gimple_set_no_warning
1791 on assign if (*from_p) is a comparison, set it to
1792 TREE_NO_WARNING (*from_p).
1794 2016-03-21 Jakub Jelinek <jakub@redhat.com>
1797 * lra.c (restore_scratches): Ignore deleted insns.
1799 2016-03-21 Marc Glisse <marc.glisse@inria.fr>
1800 Jakub Jelinek <jakub@redhat.com>
1802 PR tree-optimization/70317
1803 * match.pd (cmp @0 @0): Pass @0 instead of TYPE_MODE (TREE_TYPE (@0))
1806 2016-03-21 Uros Bizjak <ubizjak@gmail.com>
1809 * config/i386/i386.md (movxi): Use ix86_expand_vector_move instead
1810 of ix86_expand_move.
1812 (movti): Use general_operand for operand 1 predicate.
1814 2016-03-21 Martin Liska <mliska@suse.cz>
1816 * hsa-dump.c (dump_hsa_insn_1): dump default branch of SBR
1818 (dump_hsa_symbol): Dump BRIG offset of hsa_symbols.
1820 2016-03-21 Martin Liska <mliska@suse.cz>
1823 * ipa-icf.c (sem_function::parse): Skip static
1824 constructors and destructors.
1826 2016-03-21 Jakub Jelinek <jakub@redhat.com>
1829 * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If IDENT is
1830 function-like macro, peek following token(s) if it is followed
1831 by CPP_OPEN_PAREN token with optional padding in between, and
1832 if not, don't treat it like a macro.
1834 2016-03-21 Thomas Schwinge <thomas@codesourcery.com>
1835 Alexander Monakov <amonakov@ispras.ru>
1837 * config/nvptx/nvptx.c (nvptx_option_override): Don't emit sorry
1838 for the stabs debug format.
1840 2016-03-21 Richard Biener <rguenther@suse.de>
1842 PR tree-optimization/70310
1843 * tree-vect-generic.c (expand_vector_condition): Fold the built
1846 2016-03-21 Kirill Yukhin <kirill.yukhin@intel.com>
1849 * config/i386/sse.md: (define_insn "*vec_dup<mode>"/AVX2):
1850 Block third alternative for AVX-512VL target,
1852 2016-03-21 Martin Liska <mliska@suse.cz>
1855 * hsa-brig.c (emit_function_directives): Mark unemitted
1856 global variables for emission.
1857 * hsa-gen.c (hsa_symbol::hsa_symbol): Initialize a new flag.
1858 (get_symbol_for_decl): Likewise.
1859 * hsa.h (struct hsa_symbol): New flag.
1861 2016-03-21 Richard Biener <rguenther@suse.de>
1863 PR tree-optimization/70288
1864 * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Make sure
1865 we do not estimate unsimplified all-constant conditionals or
1866 switches as optimized away.
1868 2016-03-21 Andrey Belevantsev <abel@ispras.ru>
1870 PR rtl-optimization/69102
1871 * sched-deps.c (sched_analyze_insn): Do not set last_args_size field
1872 when we have a readonly dependency context.
1874 2016-03-18 Jeff Law <law@redhat.com>
1876 PR rtl-optimization/70263
1877 * ira.c (memref_used_between_p): Assert we found END in the insn chain.
1878 (update_equiv_regs): When trying to move a store to after the insn
1879 that sets the source of the store, make sure the store occurs after
1880 the insn that sets the source of the store. When successful note
1881 the REG_EQUIV note created in the dump file.
1883 2016-03-16 David Wohlferd <dw@LimeGreenSocks.com>
1884 Bernd Schmidt <bschmidt@redhat.com>
1886 * doc/extend.texi: Document more potential problems with basic asms.
1888 2016-03-18 Bernd Schmidt <bschmidt@redhat.com>
1890 PR rtl-optimization/70278
1891 * lra-constraints.c (split_reg): Handle the case where biggest_mode is
1894 2016-03-18 Jason Merrill <jason@redhat.com>
1896 * calls.c (load_register_parameters): Fix zero size sibcall logic.
1898 2016-03-18 Kirill Yukhin <kirill.yukhin@intel.com>
1900 * config/i386/sse.md: Use vpbroadcastq for broadcasting DF
1901 values to 128b regs.
1903 2016-03-18 Ilya Enkovich <enkovich.gnu@gmail.com>
1905 PR tree-optimization/70252
1906 * tree-vect-stmts.c (supportable_widening_operation): Check resulting
1907 boolean vector has a proper number of elements.
1908 (supportable_narrowing_operation): Likewise.
1910 2016-03-18 Tom de Vries <tom@codesourcery.com>
1913 * cgraph.c (cgraph_node::get_body): Set dump_file to NULL after save.
1915 2016-03-18 Jakub Jelinek <jakub@redhat.com>
1917 * reload1.c (emit_input_reload_insns): Use simplify_replace_rtx
1918 instead of replace_rtx for DEBUG_INSNs.
1920 2016-03-18 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
1922 * config/i386/znver1.md : Fix latencies of FP/SSE/AVX
1923 load type reservations.
1925 2016-03-17 John David Anglin <danglin@gcc.gnu.org>
1928 * config/pa/constraints.md: Revert 2015-02-13 change. Use
1929 define_constraint for "Q" and "T" constraints.
1931 2016-03-17 Evandro Menezes <e.menezes@samsung.com>
1933 Tweak the pipeline model for Exynos M1
1935 * config/aarch64/aarch64.c (exynosm1_tunings): Enable weak prefetching
1938 2016-03-17 David Malcolm <dmalcolm@redhat.com>
1941 * diagnostic-show-locus.c (compatible_locations_p): Handle the case
1942 where one or both locations aren't within a line_map.
1944 2016-03-17 H.J. Lu <hongjiu.lu@intel.com>
1947 * opts.c (finish_options): Don't set flag_pie to the default if
1948 -fpic, -fPIC, -fno-pic or -fno-PIC is used. Set flag_pic to 0
1951 2016-03-17 Joern Rennecke <joern.rennecke@embecosm.com>
1953 * config/i386/i386.md (*movv4qicc_insn+1..36): Pass
1954 true as ALL_REGS argument to replace_rtx.
1956 2016-03-17 Richard Biener <rguenther@suse.de>
1959 * dwarf2out.c (dwarf2out_early_finish): Process deferred_asm_name
1962 2016-03-17 Jakub Jelinek <jakub@redhat.com>
1965 * rtl.h (replace_rtx): Add ALL_REGS argument.
1966 * rtlanal.c (replace_rtx): Likewise. If true, use REGNO
1967 equality and assert mode is the same, instead of just rtx pointer
1969 * config/i386/i386.md (mov + arithmetics with load peephole): Pass
1970 true as ALL_REGS argument to replace_rtx.
1972 2016-03-17 Ilya Enkovich <enkovich.gnu@gmail.com>
1974 * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Apply
1975 for boolean vector with vector mode only.
1976 (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
1978 2016-03-17 Nick Clifton <nickc@redhat.com>
1981 * config/rx/rx.c (rx_print_integer): Print negative constants in
1984 2016-03-17 Jakub Jelinek <jakub@redhat.com>
1987 * rtlanal.c (replace_rtx): Revert 2016-03-16 change.
1989 2016-03-16 Richard Henderson <rth@redhat.com>
1990 Richard Biener <rguenth@suse.de>
1995 * gimplify.c (gimplify_expr) [VEC_COND_EXPR]: Gimplify the
1996 first operand as is_gimple_condexpr.
2001 2015-12-11 Eric Botcazou <ebotcazou@adacore.com>
2002 * tree-vect-generic.c (tree_vec_extract): Remove GSI parameter.
2003 Do not gimplify the result.
2004 (do_unop): Adjust call to tree_vec_extract.
2005 (do_binop): Likewise.
2006 (do_compare): Likewise.
2007 (do_plus_minus): Likewise.
2008 (do_negate): Likewise.
2009 (expand_vector_condition): Likewise.
2010 (do_cond): Likewise.
2012 2016-03-16 Richard Henderson <rth@redhat.com>
2015 * config/aarch64/aarch64.c (virt_or_elim_regno_p): New.
2016 (aarch64_classify_address): Use it.
2017 (aarch64_legitimize_address): Force all subexpressions of PLUS
2018 into registers. Simplify as (sfp+const)+reg or (reg+reg)+const.
2020 2016-03-16 Jakub Jelinek <jakub@redhat.com>
2021 Richard Biener <rguenth@suse.de>
2024 * rtlanal.c (replace_rtx): For REG, if from is a REG,
2025 return to even if only REGNO is equal, and assert
2028 2016-03-11 Jeff Law <law@redhat.com>
2030 PR rtl-optimization/70224
2031 * reorg.c (relax_delay_slots): Pass right argument to CROSSING_JUMP_P.
2033 2016-03-16 Richard Henderson <rth@redhat.com>
2036 * function.h (struct function): Add has_forced_label_in_static.
2037 * gimplify.c (force_labels_r): Set it.
2038 * lto-streamer-in.c (input_struct_function_base): Read it.
2039 * lto-streamer-out.c (output_struct_function_base): Write it.
2040 * tree-inline.c (has_label_address_in_static_1): Remove.
2041 (copy_forbidden): Remove fndecl parameter; test
2042 has_forced_label_in_static.
2043 (inline_forbidden_p): Update call to copy_forbidden.
2044 (tree_versionable_function_p): Likewise.
2045 * ipa-chkp.c (chkp_instrumentable_p): Likewise.
2046 (chkp_versioning): Likewise.
2047 * tree-inline.h (copy_forbidden): Update decl.
2049 2016-03-16 Marek Polacek <polacek@redhat.com>
2052 * cgraphunit.c (cgraph_node::expand_thunk): Also build call to the
2053 function being thunked if the result type doesn't have fixed size.
2054 * gimplify.c (gimplify_modify_expr): Also set LHS if the result type
2055 doesn't have fixed size.
2057 2016-03-16 Bin Cheng <bin.cheng@arm.com>
2059 * tree-vect-loop.c (vect_analyze_loop_2): Fix wrong dump info by
2060 reporting malformed loop nest.
2062 2016-03-16 Tom de Vries <tom@codesourcery.com>
2065 * ipa-devirt.c (possible_polymorphic_call_targets): Move
2066 nodes.length () == 1 test to before first nodes[0] access.
2068 2016-03-16 Tom de Vries <tom@codesourcery.com>
2070 PR tree-optimization/68715
2071 * graphite-scop-detection.c (scop_detection::merge_sese): Add missing
2074 2016-03-16 Tom de Vries <tom@codesourcery.com>
2076 PR tree-optimization/68809
2077 * graphite-scop-detection.c (same_close_phi_node): Test if result types
2080 2016-03-16 Carlos O'Donell <carlos@redhat.com>
2081 Sandra Loosemore <sandra@codesourcery.com>
2083 * doc/extend.texi (Common Function Attributes): Describe ifunc impact
2084 on leaf attribute. Mention ELF interposition problems.
2086 2016-03-16 Alan Modra <amodra@gmail.com>
2088 PR rtl-optimization/69195
2089 PR rtl-optimization/47992
2090 * ira.c (indirect_jump_optimize): Ignore artificial defs.
2093 2016-03-15 Eric Botcazou <ebotcazou@adacore.com>
2096 * dwarf2out.c (flush_limbo_die_list): Really flush the limbo list.
2098 2016-03-15 Senthil Kumar Selvaraj <senthil_kumar.selvaraj@atmel.com>
2100 * config/avr/avr.md (rotl<mode>3): Set mode for operand 2.
2102 2016-03-15 Jakub Jelinek <jakub@redhat.com>
2104 PR rtl-optimization/70222
2105 * combine.c (simplify_shift_const_1): For A >> B >> C LSHIFTRT
2106 optimization if mode is different from result_mode, queue up masking
2107 of the result in outer_op. Formatting fix.
2110 * tree-ssa-sccvn.c (VN_INFO_GET): Use safe_grow_cleared instead
2113 2016-03-15 Andrey Belevantsev <abel@ispras.ru>
2115 PR rtl-optimization/69032
2116 * sel-sched-ir.c (get_seqno_by_preds): Include both insn and head when
2117 looping backwards over basic block insns.
2119 2016-03-15 Andrey Belevantsev <abel@ispras.ru>
2122 * sel-sched-ir.c (merge_expr): Avoid changing the speculative pattern
2123 to non-speculative when propagating trap bits.
2125 2016-03-15 Andrey Belevantsev <abel@ispras.ru>
2127 PR rtl-optimization/63384
2128 * sel-sched.c (invoke_aftermath_hooks): Do not decrease issue_more on
2131 2016-03-15 Andrey Belevantsev <abel@ispras.ru>
2134 * sched-deps.c (get_implicit_reg_pending_clobbers): New function,
2135 factored out from ...
2136 (sched_analyze_insn): ... here.
2137 * sched-int.h (get_implicit_reg_pending_clobbers): Declare it.
2138 * sel-sched-ir.c (setup_id_implicit_regs): New function, use
2139 get_implicit_reg_pending_clobbers in it.
2140 (setup_id_reg_sets): Use setup_id_implicit_regs.
2141 (deps_init_id): Ditto.
2143 2016-03-15 Tom de Vries <tom@codesourcery.com>
2146 * cgraph.c (cgraph_node::get_body): Save, reset and restore
2148 * passes.c (execute_one_ipa_transform_pass): Add missing argument to
2149 execute_function_dump.
2150 (execute_one_pass): Don't dump function if it will be dumped after ipa
2153 2016-03-15 Segher Boessenkool <segher@kernel.crashing.org>
2155 * genrecog.c (match_pattern_2): If pred is NULL don't call
2156 safe_predicate_mode on it.
2158 2016-03-14 Jakub Jelinek <jakub@redhat.com>
2161 * lra-constraints.c (delete_move_and_clobber): Change assertion
2162 to also allow dregno == 0.
2164 2016-03-14 Richard Henderson <rth@redhat.com>
2167 * tree-ssa-reassoc.c (ovce_extract_ops, optimize_vec_cond_expr): New.
2168 (can_reassociate_p): Allow ANY_INTEGRAL_TYPE_P.
2169 (reassociate_bb): Use optimize_vec_cond_expr; avoid
2170 optimize_range_tests, attempt_builtin_copysign and attempt_builtin_powi
2173 2016-03-14 Bernd Schmidt <bschmidt@redhat.com>
2176 * lra-lives.c (process_bb_lives): Also update biggest mode for hard
2178 (lra_create_live_ranges_1): initialize hard register biggest_mode to
2180 * lra-constraints.c (split_reg): For hard regs, try to find the
2181 biggest single-register mode used in the function.
2183 2016-03-14 Richard Biener <rguenther@suse.de>
2185 PR tree-optimization/56365
2186 * tree-ssa-phiopt.c (minmax_replacement): Handle alternate
2187 constants to compare against.
2189 2016-03-14 Segher Boessenkool <segher@kernel.crashing.org>
2192 * config/rs6000/rs6000.md (*ctr<mode>_internal1, *ctr<mode>_internal2,
2193 *ctr<mode>_internal5, *ctr<mode>_internal6): Also allow "d" as output.
2194 (define_split for the GPR case): Use int_reg_operand instead of
2195 gpc_reg_operand for the output.
2197 2016-03-14 Tom de Vries <tom@codesourcery.com>
2199 PR tree-optimization/70045
2200 * graphite-isl-ast-to-gimple.c (graphite_create_new_loop_guard): Unshare
2201 create_empty_if_region_on_edge argument.
2203 2016-03-13 Eric Botcazou <ebotcazou@adacore.com>
2205 * config/arm/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Define.
2206 (STACK_CHECK_PROTECT): Likewise.
2207 * config/i386/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise
2208 (STACK_CHECK_PROTECT): Likewise.
2209 * config/rs6000/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise
2210 (STACK_CHECK_PROTECT): Likewise.
2211 * config/rs6000/vxworksae.h (STACK_CHECK_PROTECT): Likewise.
2212 * config/sparc/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise.
2213 (STACK_CHECK_PROTECT): Likewise.
2215 2016-03-12 Andrey Belevantsev <abel@ispras.ru>
2217 PR rtl-optimization/69307
2218 * sel-sched.c (choose_best_pseudo_reg): Properly check for hard
2219 registers in modes that span more than one register.
2221 2016-03-12 Vladimir Makarov <vmakarov@redhat.com>
2224 * lra-constraints.c (delete_move_and_clobber): New.
2225 (remove_inheritance_pseudos): Use it.
2227 2016-03-12 Eric Botcazou <ebotcazou@adacore.com>
2230 * calls.c (emit_library_call_value_1): Clear the ECF_NOTHROW flag if
2231 the libcall is LCT_THROW.
2232 * explow.c (probe_stack_range): Pass LCT_THROW to emit_library_call
2233 for the checking routine.
2235 2016-03-11 Michael Meissner <meissner@linux.vnet.ibm.com>
2238 * config/rs6000/rs6000.md (round32<mode>2_fprs): Do not do the
2239 optimization if we have direct move.
2240 (roundu32<mode>2_fprs): Likewise.
2242 2016-03-11 Bernd Schmidt <bschmidt@redhat.com>
2245 * lra-remat.c (operand_to_remat): Disallow hard regs in the value t
2247 (reg_overlap_for_remat_p): Renamed from input_regno_present_p.
2248 Arguments swapped. All callers changed. Take reg_renumber into
2249 account, and Calculate and compare register ranges for hard regs.
2251 2016-03-11 Jeff Law <law@redhat.com>
2253 PR tree-optimization/70190
2254 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
2255 Handle cases where we can not extract the taken edge, even though we
2256 found a constant value.
2258 PR tree-optimization/64058
2259 * tree-ssa-coalesce.c (struct coalesce_pair): Add new field INDEX.
2260 (num_coalesce_pairs): Move up earlier in file.
2261 (find_coalesce_pair): Initialize the INDEX field for each pair
2263 (compare_pairs): No longer sort on the elements in each pair.
2264 Instead break ties with the index of the coalesce pair.
2266 2016-03-11 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
2269 * config/aarch64/aarch64-protos.h
2270 (aarch64_save_restore_target_globals): New prototype.
2271 * config/aarch64/aarch64-c.c (aarch64_pragma_target_parse):
2272 Call the above when popping pragma.
2273 * config/aarch64/aarch64.c (aarch64_save_restore_target_globals):
2275 (aarch64_set_current_function): Rewrite using the above.
2277 2016-03-11 Jakub Jelinek <jakub@redhat.com>
2279 PR tree-optimization/70177
2280 * gimple-expr.h (extract_ops_from_tree_1): Renamed to ...
2281 (extract_ops_from_tree): ... this. In the 2 argument
2282 overload remove _1 suffix.
2283 * gimple-expr.c (extract_ops_from_tree_1): Renamed to ...
2284 (extract_ops_from_tree): ... this.
2285 * gimple.c (gimple_build_assign, gimple_assign_set_rhs_from_tree):
2287 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Likewise.
2288 * tree-ssa-forwprop.c (defcodefor_name): Call 3 operand
2289 extract_ops_from_tree instead of 2 operand one.
2291 2016-03-11 Alan Lawrence <alan.lawrence@arm.com>
2293 PR tree-optimization/70013
2294 * tree-sra.c (analyze_access_subtree): Also set grp_unscalarized_data
2295 for constant-pool entries.
2297 2016-03-11 Jakub Jelinek <jakub@redhat.com>
2299 PR rtl-optimization/70174
2300 * expmed.c (store_bit_field_using_insv): Use gen_lowpart_if_possible
2301 followed by gen_lowpart on force_reg instead of just gen_lowpart.
2303 PR tree-optimization/70169
2304 * tree-ssa-loop.c (gen_lsm_tmp_name): Handle FUNCTION_DECL and
2305 LABEL_DECL like VAR_DECL. Emit nothing instead of gcc_unreachable
2308 2016-03-11 Ilya Enkovich <enkovich.gnu@gmail.com>
2309 Jakub Jelinek <jakub@redhat.com>
2312 * config/i386/i386.c (scalar_chain::convert_reg): Skip uses
2313 of uninitialized values.
2315 2016-03-11 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
2317 * config/s390/s390.md ("trunctddd2"): Turn former define_insn into
2319 ("*trunctddd2"): New pattern definition.
2320 ("trunctdsd2"): Set prep_for_short_prec rounding mode for the
2323 2016-03-11 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
2325 * config/s390/s390.md (BFP_RND_*, DFP_RND_*): Add new constant
2326 definitions for BFP and DFP rounding modes.
2327 ("fixuns_truncdddi2", "fixuns_trunctddi2")
2328 ("fixuns_trunc<BFP:mode><GPR:mode>2", "fixuns_trunc<mode>si2")
2329 ("fix_trunc<DSF:mode><GPR:mode>2", "fix_trunc<mode>di2")
2330 ("fix_trunctf<mode>2"): Use the new constants instead of magic
2333 2016-03-11 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
2335 * config/s390/constraints.md: Adjust comment.
2336 ("Y"): Adjust comment. Rename s390_decompose_shift_count to
2337 s390_decompose_addrstyle_without_index.
2338 * config/s390/predicates.md (shift_count_or_setmem_operand):
2339 Rename to setmem_operand.
2340 * config/s390/s390-protos.h
2341 (s390_decompose_shift_count): Rename to
2342 s390_decompose_addrstyle_without_index.
2343 * config/s390/s390.c (s390_decompose_shift_count)
2344 (s390_mem_constraint, print_shift_count_operand)
2345 (print_operand_address, print_operand): Rename
2346 s390_decompose_shift_count to
2347 s390_decompose_addrstyle_without_index and rename
2348 print_shift_count_operand to print_addrstyle_operand troughout the
2350 * config/s390/s390.md ("setmem_long_<P:mode>", "*setmem_long")
2351 ("*setmem_long_and", "*setmem_long_31z", "*setmem_long_and_31z"):
2352 Rename shift_count_or_setmem_operand to setmem_operand.
2353 * config/s390/vx-builtins.md ("vec_insert<mode>")
2354 ("vec_promote<mode>"): Replace shift_count_or_setmem_operand with
2357 2016-03-10 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2360 * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap):
2361 Handle overlapping retval and newval.
2363 2016-03-10 Nick Clifton <nickc@redhat.com>
2366 * config/aarch64/aarch64.c
2367 (aarch64_override_options_after_change_1): When forcing
2368 flag_omit_frame_pointer to be true, use a special value that can
2369 be detected if this function is called again, thus preventing
2370 flag_omit_leaf_frame_pointer from being forced to be false.
2372 2016-03-10 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
2374 * common/config/aarch64/aarch64-common.c (aarch64_handle_option):
2375 Set x_flag_omit_leaf_frame_pointer when handling
2376 -momit-leaf-frame-pointer.
2378 2016-03-10 Jan Hubicka <hubicka@ucw.cz>
2381 * cgraph.c (cgraph_node::dump): Dump split_part and
2382 indirect_call_target.
2383 * cgraph.h (cgraph_node): Add indirect_call_target flag.
2384 * ipa.c (has_addr_references_p): Cleanup.
2385 (is_indirect_call_target_p): New.
2386 (walk_polymorphic_call_targets): Do not mark virtuals that may be
2387 called indirectly as local.
2388 (symbol_table::remove_unreachable_nodes): Compute indirect_call_target.
2390 2016-03-10 Jan Hubicka <hubicka@ucw.cz>
2393 * ipa-devirt.c (possible_polymorphic_call_targets): Do not ICE
2394 on cxa_pure_virtual.
2396 2016-03-10 Jan Hubicka <hubicka@ucw.cz>
2399 * tree.c (free_lang_data_in_decl): Clear visibility of TYPE_DECL.
2401 2016-03-10 Jan Hubicka <hubicka@ucw.cz>
2404 * tree.c (need_assembler_name_p): Only record main variant type names.
2406 2016-03-10 Christophe Lyon <christophe.lyon@linaro.org>
2409 * config/aarch64/aarch64.h (TARGET_FIX_ERR_A53_843419_DEFAULT):
2410 Always define to 0 or 1.
2411 (TARGET_FIX_ERR_A53_843419): New macro.
2412 * config/aarch64/aarch64-elf-raw.h
2413 (TARGET_FIX_ERR_A53_843419_DEFAULT): Update for above changes.
2414 * config/aarch64/aarch64-linux.h: Likewise.
2415 * config/aarch64/aarch64.c
2416 (aarch64_override_options_after_change_1): Do not default
2417 aarch64_nopcrelative_literal_loads to true if Cortex-A53 erratum
2419 (aarch64_attributes): Handle fix-cortex-a53-843419.
2420 (aarch64_can_inline_p): Likewise.
2421 * config/aarch64/aarch64.opt (aarch64_fix_a53_err843419): Save.
2423 2016-03-10 Alan Lawrence <alan.lawrence@arm.com>
2424 Jakub Jelinek <jakub@redhat.com>
2426 * common.opt (funconstrained-commons, flag_unconstrained_commons): New.
2427 * tree.c (array_at_struct_end_p): Do not limit to size of decl for
2428 DECL_COMMONS if flag_unconstrained_commons is set.
2429 * tree-dfa.c (get_ref_base_and_extent): Likewise.
2430 * doc/invoke.texi (Optimize Options): Add -funconstrained-commons.
2431 (funconstrained-commons): Document.
2433 2016-03-10 Christophe Lyon <christophe.lyon@linaro.org>
2435 * config/aarch64/t-aarch64 (OPTIONS_H_EXTRA): Add
2436 aarch64-fusion-pairs.def and aarch64-tuning-flags.def
2438 2016-03-10 Ilya Enkovich <enkovich.gnu@gmail.com>
2440 * tree-vect-stmts.c (vectorizable_mask_load_store): Check mask
2441 has a proper number of elements.
2443 2016-03-10 Alan Modra <amodra@gmail.com>
2445 PR rtl-optimization/69195
2446 PR rtl-optimization/47992
2447 * ira.c (recorded_label_ref): Delete.
2448 (update_equiv_regs): Return void.
2449 (indirect_jump_optimize): New function.
2450 (ira): Call indirect_jump_optimize and delete_trivially_dead_insns
2451 before regstat_compute_ri. Don't rebuild_jump_labels here.
2452 Delete update_regstat.
2454 2016-03-10 Richard Biener <rguenther@suse.de>
2456 PR tree-optimization/70128
2457 * tree-ssa-structalias.c (set_uids_in_ptset): Set
2458 vars_contains_nonlocal for any FUNCTION_DECL or LABEL_DECL.
2460 2016-03-09 Jakub Jelinek <jakub@redhat.com>
2462 PR tree-optimization/70152
2463 * tree-sra.c (replace_removed_params_ssa_names): Copy over
2464 SSA_NAME_OCCURS_IN_ABNORMAL_PHI from old_name to new_name.
2467 * config/i386/i386.md (truncdfsf2 splitter): Use gen_vec_concatv2df
2468 instead of gen_sse2_loadlpd.
2469 * config/i386/sse.md (*vec_concatv2df): Rename to...
2470 (vec_concatv2df): ... this.
2472 PR tree-optimization/70127
2473 * fold-const.c (operand_equal_p): Revert the 2015-10-28 change.
2475 2016-03-09 David Malcolm <dmalcolm@redhat.com>
2479 * diagnostic-show-locus.c (compatible_locations_p): New function.
2480 (layout::layout): Sanitize ranges using compatible_locations_p.
2482 2016-03-09 David Malcolm <dmalcolm@redhat.com>
2486 * diagnostic-show-locus.c (layout_range::layout_range): Replace
2487 location_range param with three const expanded_locations * and a
2489 (layout::layout): Replace call to
2490 rich_location::lazily_expand_location with get_expanded_location.
2491 Extract the range and perform location expansion here, passing
2492 the results to the layout_range ctor.
2493 * diagnostic.c (source_range::debug): Delete.
2494 * diagnostic.h (diagnostic_expand_location): Reimplement in terms
2495 of rich_location::get_expanded_location.
2496 * gcc-rich-location.c (get_range_for_expr): Delete.
2497 (gcc_rich_location::add_expr): Reimplement to avoid the
2498 rich_location::add_range overload that took a location_range,
2499 passing a location_t instead.
2501 2016-03-09 Richard Biener <rguenther@suse.de>
2502 Jakub Jelinek <jakub@redhat.com>
2504 PR tree-optimization/70138
2505 * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
2506 Also skip vect_double_reduction_def.
2508 2016-03-09 Jakub Jelinek <jakub@redhat.com>
2511 * config/i386/sse.md (*vec_extract<mode>): Use %0 instead of %k0
2512 if the operand is "m".
2514 2016-03-09 Nathan Sidwell <nathan@acm.org>
2516 * config/nvptx/nvptx.c (nvptx_option_override): Don't kill debug level.
2518 2016-03-09 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
2520 * config/i386/i386.c (processor_target_table): Fix cost table
2521 intialization order for znver1.
2523 2016-03-08 Jakub Jelinek <jakub@redhat.com>
2525 * ipa-polymorphic-call.c (walk_ssa_copies): Fix spelling
2526 - becuase -> because.
2527 * ipa-reference.c (ignore_module_statics): Likewise.
2528 * cgraph.c (cgraph_node::get_body): Likewise.
2529 * ipa-inline.c (early_inliner): Likewise.
2530 * ipa-devirt.c (types_same_for_odr): Likewise.
2531 * tree-streamer-out.c (pack_ts_type_common_value_fields): Likewise.
2532 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Likewise.
2534 2016-03-08 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
2536 * tree-ssa-math-opts.c: Fix typo in comment.
2538 2016-03-08 Jakub Jelinek <jakub@redhat.com>
2541 * config/i386/i386.c (scalar_chain::make_vector_copies,
2542 scalar_chain::convert_reg): Call end_sequence in between
2543 get_insns and emit_conversion_insns rather than after both
2546 2016-03-07 Uros Bizjak <ubizjak@gmail.com>
2549 * config/i386/i386.h (machine_function): Add
2550 pc_thunk_call_expanded flag.
2551 (ix86_pc_thunk_call_expanded): New define.
2552 * config/i386/i386.md (set_got, set_got_labelled): New expanders.
2553 (*set_got): Rename insn pattern from set_got.
2554 (*set_got_labelled): Rename inst pattern from set_got_labelled.
2555 * config/i386/i386.c (ix86_compute_frame_layout): Use
2556 ix86_pc_thunk_call_expanded to prevent red-zone.
2558 2016-03-07 Martin Jambor <mjambor@suse.cz>
2560 * hsa.h (hsa_get_ctor_statements): Declare.
2561 (hsa_get_dtor_statements): Likewise.
2562 (hsa_get_kernel_dispatch_type): Likewise.
2563 * hsa.c (hsa_get_ctor_statements): New function.
2564 (hsa_get_dtor_statements): Likewise.
2565 (hsa_get_kernel_dispatch_type): Likewise.
2566 * hsa-brig.c (hsa_cdtor_statements): Removed.
2567 (hsa_output_libgomp_mapping): Use hsa_get_ctor_statements and
2568 hsa_get_dtor_statements.
2569 * hsa-gen.c (hsa_kernel_dispatch_type): Removed.
2570 (get_hsa_kernel_dispatch_offset): Use hsa_get_kernel_dispatch_type.
2572 2016-03-07 Andre Vieira <andre.simoesdiasvieira@arm.com>
2574 * config/arm/arm-cores.def (cortex-r8): New.
2575 * config/arm/arm-tables.opt (cortex-r8): Regenerate.
2576 * config/arm/arm-tune.md: Likewise.
2577 * gcc/doc/invoke.texi: Add cortex-r8 to list of cpu values.
2579 2016-03-07 Martin Sebor <msebor@redhat.com>
2581 PR rtl-optimization/19705
2582 * doc/invoke.texi (Options That Control Optimization): Clarify
2583 -fno-branch-count-reg.
2585 2016-02-26 Richard Biener <rguenther@suse.de>
2586 Jeff Law <law@redhat.com>
2588 PR tree-optimization/69740
2589 * cfghooks.c (remove_edge): Request loop fixups if we delete
2590 an edge that might turn an irreducible loop into a natural
2592 * cfgloop.h (check_verify_loop_structure): Clear LOOPS_NEED_FIXUP.
2593 Move after definition of loops_state_clear.
2595 2016-03-07 Bin Cheng <bin.cheng@arm.com>
2597 PR rtl-optimization/69052
2598 * rtlanal.c (commutative_operand_precedence): Set higher precedence
2601 2016-03-07 Tom de Vries <tom@codesourcery.com>
2603 PR tree-optimization/70116
2604 * tree-ssa-tail-merge.c (merge_stmts_p): New function, handling
2605 is_tm_ending stmts and ubsan/asan internal functions.
2606 (find_duplicate): Use it. Don't test is_tm_ending here.
2608 2016-03-07 Richard Biener <rguenther@suse.de>
2610 PR tree-optimization/70115
2611 * tree-ssa-loop-ivcanon.c (propagate_into_all_uses): Remove.
2612 (propagate_constants_for_unrolling): Use replace_uses_by.
2614 2016-03-07 Nathan Sidwell <nathan@codesourcery.com>
2617 * omp-low.c (struct oacc_loop): Add ifns.
2618 (new_oacc_loop_raw): Initialize it.
2619 (finish_oacc_loop): Clear mask & flags if no ifns.
2620 (oacc_loop_discover_walk): Count IFN_GOACC_LOOP calls.
2621 (oacc_loop_xform_loop): Add ifns arg & adjust.
2622 (oacc_loop_process): Adjust oacc_loop_xform_loop call.
2624 2016-03-07 Richard Henderson <rth@redhat.com>
2627 * tree-outofssa.c (emit_partition_copy): Flush pending stack adjust.
2628 (insert_value_copy_on_edge): Likewise.
2630 2016-03-07 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
2632 * config/arm/arm_neon.h: Show error if using with soft-float ABI.
2634 2016-03-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2637 * config/i386/sol2.h (STACK_REALIGN_DEFAULT): Define.
2639 2016-03-05 Venkataramanan Kumar <Venkataramanan.kumar@amd.com>
2641 * config/i386/i386.c (znver1_cost): Fix Multiply cost.
2643 2016-03-05 Venkataramanan Kumar <Venkataramanan.kumar@amd.com>
2645 Fix sseimul type attribute.
2646 * config/i386/znver1.md
2647 (znver1_sseimul, znver1_sseimul_avx256, znver1_sseimul_load,
2648 znver1_sseimul_avx256_load) : Fix the type attribute.
2649 (znver1_sseimul_di, znver1_sseimul_load_di): Fix type attribute,
2650 pipe usage and latency.
2652 2016-03-05 Jakub Jelinek <jakub@redhat.com>
2655 * tree-inline.c (copy_tree_body_r): When cancelling ADDR_EXPR
2656 of INDIRECT_REF and ADDR_EXPR changed type, fold_convert it
2659 2016-03-04 Bernd Schmidt <bschmidt@redhat.com>
2662 * targhooks.c (default_vector_alignment): Limit to MAX_OFILE_ALIGNMENT.
2664 PR rtl-optimization/69941
2665 * postreload.c (reload_combine_recognize_pattern): Ensure all uses of
2666 the reg share its mode.
2668 2016-03-04 Jeff Law <law@redhat.com>
2670 PR tree-optimization/69196
2671 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
2672 If the both SSA_NAMEs are anonymous, then consider them unassociated
2673 and include the PHI in the statement count.
2675 2016-03-05 Tom de Vries <tom@codesourcery.com>
2677 * omp-low.c (check_omp_nesting_restrictions): Check for non-oacc
2678 construct in oacc routine. Check for oacc region in oacc routine.
2680 2016-03-04 Jakub Jelinek <jakub@redhat.com>
2683 * config/i386/i386.c (decide_alg): Add RECUR argument. Revert
2684 2016-02-22 changes, instead don't recurse if RECUR is already true.
2685 Don't change *dynamic_check if RECUR. Adjust recursive caller
2686 to pass true to the new argument.
2687 (ix86_expand_set_or_movmem): Adjust decide_alg caller.
2690 * config/i386/sse.md (vec_set_lo_<mode><mask_name>,
2691 <extract_type_2>_vinsert<shuffletype><extract_suf_2>_mask): Formatting
2693 (vec_set_hi_<mode><mask_name>): Likewise. Swap VEC_CONCAT operands.
2695 2016-03-04 Bernd Schmidt <bschmidt@redhat.com>
2697 PR rtl-optimization/57676
2698 * lra-assigns.c (lra_assign): Guard test for maximum iterations
2701 2016-03-04 Ilya Enkovich <enkovich.gnu@gmail.com>
2703 * tree-vect-patterns.c (search_type_for_mask): Handle
2704 comparison of booleans.
2706 2016-03-04 Jakub Jelinek <jakub@redhat.com>
2708 * doc/extend.texi (__builtin_alloca, __builtin_alloca_with_align):
2712 * dwarf2out.c (prune_unused_types_walk_loc_descr): Handle
2713 all other ops that have dw_val_class_die_ref operands,
2714 and DW_OP_GNU_entry_value.
2716 2016-03-03 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
2718 PR rtl-optimization/69904
2719 * config/arm/arm.c (arm_cannot_copy_insn_p):
2720 Return true for load-exclusive instructions.
2722 2016-03-03 Jakub Jelinek <jakub@redhat.com>
2725 * tree-vect-stmts.c (vect_mark_relevant): Remove USED_IN_PATTERN
2726 argument, if STMT_VINFO_IN_PATTERN_P (stmt_info), always mark
2727 the pattern no matter if it is used just by non-pattern, pattern
2729 (process_use, vect_mark_stmts_to_be_vectorized): Adjust callers.
2730 * tree-vect-patterns.c (vect_recog_vector_vector_shift_pattern): If
2731 oprnd1 def_stmt is in pattern, don't look through it.
2733 2016-03-03 Marek Polacek <polacek@redhat.com>
2736 * match.pd (X % -Y): Add INTEGRAL_TYPE_P check.
2738 2016-03-03 Martin Liska <mliska@suse.cz>
2740 PR tree-optimization/70043
2741 * tree-vect-loop.c (optimize_mask_stores): Move iterator to
2742 previous statement if we see a debug statement.
2744 2016-03-03 Richard Biener <rguenther@suse.de>
2746 PR tree-optimization/55936
2747 * tree-vrp.c (compare_name_with_value): Add use_equiv_p
2748 parameter and guard unsafe equivalence use.
2749 (vrp_evaluate_conditional_warnv_with_ops): Always use
2750 safe equivalences but not via the quadratic compare_names
2753 2016-03-03 Michael Collison <michael.collison@linaro.org>
2756 * config/arm/arm.md (*subsi3_carryin_const): Change predicate
2757 for operand 1 to s_register_operand. Change predicate for operand
2758 2 to arm_not_immediate_operand.
2760 2016-03-02 H.J. Lu <hongjiu.lu@intel.com>
2762 * doc/tm.texi: Regenerated.
2764 2016-03-02 Richard Henderson <rth@redhat.com>
2767 * simplify-rtx.c (simplify_plus_minus): Allow reassoc without
2768 simplification when all args are positive non-fixed registers.
2770 2016-03-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2772 * target.def (lra_p): Specify that new ports should use LRA.
2774 2016-03-02 Jakub Jelinek <jakub@redhat.com>
2777 * gimplify.c (gimplify_decl_expr): For decls with REFERENCE_TYPE, also
2778 gimplify_type_sizes the type they refer to.
2779 (omp_notice_variable): Handle reference vars to VLAs.
2780 * omp-low.c (lower_omp_target): Emit setup of OMP_CLAUSE_PRIVATE
2781 reference to VLA decls in the second pass instead of first pass.
2783 2016-03-02 Tom de Vries <tom@codesourcery.com>
2785 PR tree-optimization/68659
2786 * graphite-isl-ast-to-gimple.c (collect_all_ssa_names): Handle
2787 new_expr == NULL_TREE.
2788 (get_new_name): Handle ADDR_EXPR.
2790 2016-03-02 Bin Cheng <bin.cheng@arm.com>
2792 PR rtl-optimization/69052
2793 * loop-invariant.c (canonicalize_address): New function.
2794 (inv_can_prop_to_addr_use): Check validity of address expression
2795 which is canonicalized by above function.
2797 2016-03-02 Alan Modra <amodra@gmail.com>
2800 * ipa-icf.c (sem_variable::merge): Do not merge an alias with
2803 2016-03-02 Jakub Jelinek <jakub@redhat.com>
2806 * config/i386/i386.md (kmovw): Move m constraint to 2nd alternative.
2807 (*movhi_internal): Put mask moves from and to memory separately
2808 from moves from/to GPRs.
2810 2016-03-02 Richard Biener <rguenther@suse.de>
2812 * genmatch.c (dt_node::gen_kids): Fix match code-gen for embedded
2813 GENERIC expressions in GIMPLE.
2815 2016-03-02 Richard Biener <rguenther@suse.de>
2817 * config/i386/i386.c (type_natural_mode): Fix typo.
2819 2016-03-02 Nick Clifton <nickc@redhat.com>
2821 * config.gcc (mep-*-elf): Add newlib-stdint.h to tm_file.
2823 2016-03-02 Richard Biener <rguenther@suse.de>
2824 Uros Bizjak <ubizjak@gmail.com>
2827 * config/i386/i386.c (type_natural_mode): Handle XFmode vectors.
2829 2016-03-02 Richard Biener <rguenther@suse.de>
2832 * tree-cfg.c (verify_expr): Adjust BIT_FIELD_REF case.
2834 2016-03-02 Marek Polacek <polacek@redhat.com>
2837 * gimplify.c (gimplify_va_arg_expr): Use expanded location for the
2838 "is promoted to" warning.
2840 2016-03-01 DJ Delorie <dj@redhat.com>
2842 * config.gcc: Deprecate mep-*.
2844 2016-03-01 Vladimir Makarov <vmakarov@redhat.com>
2847 * lra-constraints.c (regno_val_use_in): New.
2848 (match_reload): Use it instead of regno_use_in.
2850 2016-03-01 Eric Botcazou <ebotcazou@adacore.com>
2852 PR rtl-optimization/70007
2853 * gcse.c (compute_ld_motion_mems): Tidy up and also invalidate memory
2854 references present in REG_EQUAL notes attached to non-SET patterns.
2856 2016-03-01 Jeff Law <law@redhat.com>
2858 PR tree-optimization/69196
2859 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
2860 Appropriately clamp the number of statements to copy when the
2861 thread path does not traverse a loop backedge.
2863 PR tree-optimization/69196
2864 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
2865 Do count some PHIs in the thread path against the insn count. Decrease
2866 final statement count by one as the control statement in the last
2867 block will get removed. Remove special cased code for handling PHIs
2870 2016-03-01 Uros Bizjak <ubizjak@gmail.com>
2873 * config/i386/i386.c (ix86_output_call_insn): Add -masm=intel
2874 asm dialect alternatives to explicit GOTPCREL calls.
2876 2016-03-01 Eric Botcazou <ebotcazou@adacore.com>
2879 * ira.c (do_reload): Issue warning for generic stack checking here...
2880 * reload1.c (reload): ...instead of here and streamline it.
2882 2016-03-01 Nick Clifton <nickc@redhat.com>
2884 * config.gcc (cr16-*-elf): Add newlib-stdint.h to tm_file.
2886 2016-03-01 Richard Biener <rguenther@suse.de>
2888 PR tree-optimization/69983
2889 * tree-chrec.c (eq_evolutions_p): Handle conversions, compare
2890 types and fall back to operand_equal_p.
2892 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
2895 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
2897 * config/s390/constraints.md ("jm8"): New constraint.
2898 * config/s390/predicates.md ("const_int_8bitset_operand"): New
2900 * config/s390/s390.md ("*setmem_long", "*setmem_long_and"): Merge
2902 ("*setmem_long<setmem_and>"): New pattern.
2903 ("*setmem_long_31z", "*setmem_long_and_31z"): Merge
2905 ("*setmem_long_31z<setmem_and>"): New pattern.
2906 * config/s390/subst.md ("setmem_31z_subst", "setmem_and_subst"):
2907 New substitution rules with the required attributes.
2910 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
2913 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
2915 * gensupport.c (process_substs_on_one_elem): Split loop to
2916 complete mark_operands_used_in_match_dup on all expressions in the
2918 (adjust_operands_numbers): Inline into process_substs_on_one_elem
2919 and remove function.
2921 2016-03-01 Richard Biener <rguenther@suse.de>
2924 * fold-const.c (fold_indirect_ref_1): Fix range checking for
2925 vector BIT_FIELD_REF extract.
2927 2016-03-01 Richard Biener <rguenther@suse.de>
2929 PR tree-optimization/69994
2930 * tree-ssa-reassoc.c (ops_equal_values_p): Handle missing case.
2932 2016-03-01 Ilya Enkovich <enkovich.gnu@gmail.com>
2934 PR tree-optimization/69956
2935 * tree-vect-stmts.c (supportable_widening_operation): Support
2936 multi-step conversion of boolean vectors.
2937 (supportable_narrowing_operation): Likewise.
2939 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
2941 * config/s390/s390.c (s390_decompose_address): Don't accept SImode
2944 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
2946 * config/s390/subst.md (DSI_VI): New mode iterator.
2947 ("addr_style_op_subst"): Use DSI_VI instead of DSI.
2948 * config/s390/vector.md ("vec_set<mode>"): Move expander before
2949 the insn definition.
2950 ("*vec_set<mode>"): Change predicate and add alternative to
2951 support only either register or const_int operands as element
2953 ("*vec_set<mode>_plus"): New pattern to support reg + const_int
2955 ("vec_extract<mode>"): New expander.
2956 ("*vec_extract<mode>"): New insn definition supporting reg and
2957 const_int element selectors.
2958 ("*vec_extract<mode>_plus"): New insn definition supporting
2959 reg+const_int element selectors.
2960 ("rotl<mode>3", "ashl<mode>3", "ashr<mode>3"): Merge into the
2961 following expander+insn definition.
2962 ("<vec_shifts_name><mode>3"): New expander.
2963 ("*<vec_shifts_name><mode>3<addr_style_op>"): New insn definition.
2965 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
2967 * config/s390/s390.md ("*tabort_1"): Change predicate to
2968 nonmemory_operand. Add a second alternative to cover
2969 register as well as const int operands.
2970 ("*tabort_1_plus"): New pattern definition.
2972 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
2974 * config/s390/s390.md ("*ashrdi3_cc_31")
2975 ("*ashrdi3_cconly_31""*ashrdi3_cc_31_and")
2976 ("*ashrdi3_cconly_31_and", "*ashrdi3_31_and", "*ashrdi3_31"):
2977 Merge insn definitions into ...
2978 ("*ashrdi3_31<addr_style_op_cc><masked_op_cc><setcc><cconly>"):
2979 New pattern definition.
2980 ("*ashr<mode>3_cc", "*ashr<mode>3_cconly", "ashr<mode>3", )
2981 ("*ashr<mode>3_cc_and", "*ashr<mode>3_cconly_and")
2982 ("*ashr<mode>3_and"): Merge insn definitions into ...
2983 ("*ashr<mode>3<addr_style_op_cc><masked_op_cc><setcc><cconly>"):
2984 New pattern definition.
2985 * config/s390/subst.md ("addr_style_op_cc_subst")
2986 ("masked_op_cc_subst", "setcc_subst", "cconly_subst"): New
2987 substitutions patterns plus attributes.
2988 Add ashiftrt to SUBST iterator.
2990 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
2992 * config/s390/s390.md ("<shift><mode>3"): Change predicate of
2993 op2 to nonmemory_operand.
2994 ("*<shift>di3_31", "*<shift>di3_31_and"):
2995 Merge into single pattern definition ...
2996 ("*<shift>di3_31<addr_style_op><masked_op>"): New pattern.
2997 ("*<shift><mode>3", "*<shift><mode>3_and"): Merge into single
2998 pattern definition ...
2999 ("*<shift><mode>3<addr_style_op><masked_op>"): New pattern.
3000 * config/s390/subst.md: Add ashift and lshiftrt to SUBST
3003 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
3005 * config/s390/predicates.md (const_int_6bitset_operand): New
3007 * config/s390/s390.md: Include subst.md.
3008 ("rotl<mode>3"): New expander.
3009 ("rotl<mode>3", "*rotl<mode>3_and"): Merge insn definitions into
3011 ("*rotl<mode>3<addr_style_op><masked_op>"): New insn definition.
3012 * config/s390/subst.md: New file.
3014 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
3016 * config/s390/s390.md ("op_type", "atype", "length" attributes):
3017 Remove RRR type. It doesn't really exist.
3018 ("RRer", "f0", "v0", "vf", "vd", "op1", "Rf"): Remove mode
3020 ("BFP", "DFP", "nDSF", "nDFDI"): Add mode attributes.
3021 ("*cmp<mode>_ccs", "floatdi<mode>2", "add<mode>3")
3022 ("*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3")
3023 ("*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3")
3024 ("fma<mode>4", "fms<mode>4", "div<mode>3", "*neg<mode>2")
3025 ("*abs<mode>2", "*negabs<mode>2", "sqrt<mode>2"): Override
3026 `enabled' attribute.
3028 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
3030 * gensupport.c (process_substs_on_one_elem): Split loop to
3031 complete mark_operands_used_in_match_dup on all expressions in the
3033 (adjust_operands_numbers): Inline into process_substs_on_one_elem
3034 and remove function.
3036 2016-02-29 Eric Botcazou <ebotcazou@adacore.com>
3039 * config/sparc/sparc.c (NWORDS_UP): Rename to...
3040 (CEIL_NWORDS): ...this. Use CEIL macro.
3041 (compute_fp_layout): Adjust to above renaming.
3042 (function_arg_union_value): Likewise.
3043 (sparc_arg_partial_bytes): Likewise.
3044 (sparc_function_arg_advance): Likewise.
3046 2016-02-29 Jeff Law <law@redhat.com>
3048 PR tree-optimization/70005
3049 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Handle case
3050 where an object with a boolean range is compared against a value
3053 PR tree-optimization/69999
3054 * gimple-ssa-split-paths.c (split_paths): When duplicating a block
3055 with an outgoing edge marked with EDGE_IRREDUCIBLE_LOOP, schedule
3058 2016-02-29 Richard Biener <rguenther@suse.de>
3060 PR tree-optimization/69994
3061 * tree-ssa-reassoc.c (gimple_nop_conversion_p): New function.
3062 (get_unary_op): Look through nop conversions.
3063 (ops_equal_values_p): New function, look for equality diregarding
3065 (eliminate_plus_minus_pair): Use ops_equal_values_p
3066 (repropagate_negates): Do not use get_unary_op here.
3068 2016-02-29 Martin Liska <mliska@suse.cz>
3070 * system.h: Poison ENABLE_CHECKING macro.
3072 2016-02-29 Martin Liska <mliska@suse.cz>
3074 * hsa-gen.c (gen_body_from_gimple): Dump only if TDF_DETAILS
3075 is presented in dump flags.
3076 * hsa-regalloc.c (linear_scan_regalloc): Likewise.
3077 (hsa_regalloc): Likewise.
3079 2016-02-19 Richard Biener <rguenther@suse.de>
3081 PR tree-optimization/69980
3082 * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Update
3083 permutation of those we need to keep.
3085 2016-02-29 Eric Botcazou <ebotcazou@adacore.com>
3088 * config/sparc/sparc.c (ROUND_ADVANCE): Rename to...
3089 (NWORDS_UP): ...this
3090 (init_cumulative_args): Minor tweaks.
3091 (sparc_promote_function_mode): Likewise.
3092 (scan_record_type): Delete.
3093 (traverse_record_type): New function template.
3094 (classify_data_t): New structure type.
3095 (classify_registers): New inline function.
3096 (function_arg_slotno): In 64-bit mode, bail out early if FP slots are
3097 exhausted. Instantiate traverse_record_type on classify_registers and
3098 deal with the case of a structure passed in slot #15 with no FP field
3100 (assign_data_t): New structure type.
3101 (compute_int_layout): New static function.
3102 (compute_fp_layout): Likewise.
3103 (count_registers): New inline function.
3104 (assign_int_registers): New static function.
3105 (assign_fp_registers): Likewise.
3106 (assign_registers): New inline function.
3107 (function_arg_record_value_1): Delete.
3108 (function_arg_record_value_2): Likewise.
3109 (function_arg_record_value_3): Likewise.
3110 (function_arg_record_value): Adjust to above changes. Instantiate
3111 traverse_record_type on count_registers to first count the number of
3112 registers to be used and then on assign_registers to assign them.
3113 (function_arg_union_value): Adjust to above renaming.
3114 (sparc_function_arg_1); Minor tweaks. Remove commented out code.
3115 (sparc_arg_partial_bytes): Adjust to above renaming. Deal with the
3116 case of a structure passed in slot #15
3117 (sparc_function_arg_advance): Likewise.
3118 (function_arg_padding): Minor tweak.
3120 2016-02-29 Richard Biener <rguenther@suse.de>
3122 PR tree-optimization/69720
3123 * tree-vect-loop.c (get_initial_def_for_reduction): Avoid
3124 the adjustment_def path for possibly vectorized defs.
3125 (vect_create_epilog_for_reduction): Handle vectorized initial
3128 2016-02-28 Eric Botcazou <ebotcazou@adacore.com>
3130 * config/i386/cygming.h (STACK_REALIGN_DEFAULT): Define.
3132 2016-02-27 Jeff Law <law@redhat.com>
3135 2016-02-26 Richard Biener <rguenther@suse.de>
3136 Jeff Law <law@redhat.com>
3138 PR tree-optimization/69740
3139 * cfghooks.c (remove_edge): Request loop fixups if we delete
3140 an edge that might turn an irreducible loop into a natural
3143 2016-02-27 Jakub Jelinek <jakub@redhat.com>
3145 PR rtl-optimization/69896
3146 * tree-vect-generic.c (get_compute_type): Avoid single element
3149 2016-02-26 Evandro Menezes <e.menezes@samsung.com>
3151 Rename the AArch64 tuning option and related functions to enable the
3152 Newton series for the reciprocal square root to reflect its
3153 approximative characteristic.
3155 * config/aarch64/aarch64-protos.h (aarch64_emit_swrsqrt): Rename
3156 function to "aarch64_emit_approx_rsqrt".
3157 * config/aarch64/aarch64-tuning-flags.def: Rename tuning flag to
3158 AARCH64_EXTRA_TUNE_APPROX_RSQRT.
3159 * config/aarch64/aarch64.c (exynosm1_tunigs): Use new flag name.
3160 (xgene1_tunings): Likewise.
3161 (use_rsqrt_p): Likewise.
3162 (aarch64_emit_swrsqrt): Use new function name.
3163 * config/aarch64/aarch64-simd.md (aarch64_rsqrts_*): Likewise.
3164 * config/aarch64/aarch64.opt (mlow-precision-recip-sqrt): Reword the
3165 text explaining this option.
3166 * doc/invoke.texi (-mlow-precision-recip-sqrt): Likewise.
3168 2016-02-26 Jakub Jelinek <jakub@redhat.com>
3171 * config/rs6000/rs6000.c (rs6000_option_override_internal): Don't
3172 complain about -mallow-movmisalign without -mvsx if
3173 TARGET_ALLOW_MOVMISALIGN was not set explicitly.
3175 2016-02-26 Joel Sherrill <joel@rtems.org>
3177 * config.gcc: Add x86_64-*-rtems*.
3178 * gcc/config/i386/rtems-64.h: New file.
3180 2016-02-26 Joel Sherrill <joel@rtems.org>
3182 * config.gcc: Add aarch64-*-rtems*.
3183 * gcc/config/aarch64/rtems.h: New file.
3185 2016-02-26 Segher Boessenkool <segher@kernel.crashing.org>
3188 * config/rs6000/rs6000.c (rs6000_insn_for_shift_mask): Print rlwinm
3189 shift amount using %h. Add comment.
3191 2016-02-26 Richard Biener <rguenther@suse.de>
3192 Jeff Law <law@redhat.com>
3194 PR tree-optimization/69740
3195 * cfghooks.c (remove_edge): Request loop fixups if we delete
3196 an edge that might turn an irreducible loop into a natural
3199 2016-02-26 Martin Jambor <mjambor@suse.cz>
3202 * tree-sra.c (sra_modify_assign): Do not remove loads of
3203 uninitialized aggregates to SSA_NAMEs.
3205 2016-02-26 Richard Henderson <rth@redhat.com>
3208 * config/s390/s390.md (risbg and risbgn splitters): Allocate new
3209 pseudo in case the target rtx matches the source of the left
3212 2016-02-26 Martin Jambor <mjambor@suse.cz>
3215 * hsa.h (hsa_type_packed_p): Declare.
3216 * hsa.c (hsa_type_packed_p): New function.
3217 * hsa-gen.c (mem_type_for_type): Use unsigned type for packed
3219 (gen_hsa_insns_for_store): Use hsa_type_packed_p.
3220 * hsa-brig.c (emit_basic_insn): Likewise.
3222 2016-02-26 Martin Jambor <mjambor@suse.cz>
3225 * hsa-gen.c (gen_hsa_phi_from_gimple_phi): Use proper hsa type for
3227 (gen_hsa_addr): Allow integer constants in TMR_INDEX2.
3229 2016-02-26 Martin Jambor <mjambor@suse.cz>
3231 * hsa.h (is_a_helper): New overload for hsa_op_immed for
3232 hsa_op_with_type operands.
3233 (hsa_unsigned_type_for_type): Declare.
3234 * hsa.c (hsa_unsigned_type_for_type): New function.
3235 * hsa-gen.c (gen_hsa_binary_operation): Use hsa_unsigned_type_for_type.
3236 (gen_hsa_insns_for_operation_assignment): Satisfy constrains of
3237 the finalizer. Do not emit extra move.
3239 2016-02-26 Martin Jambor <mjambor@suse.cz>
3241 * hsa-gen.c (gen_hsa_ternary_atomic_for_builtin): Fail in presence of
3242 atomic operations in private segment.
3244 2016-02-26 Martin Jambor <mjambor@suse.cz>
3246 * omp-low.c (grid_find_ungridifiable_statement): Store problematic
3247 statements to wi->info. Also disallow omp simd constructs.
3248 (grid_target_follows_gridifiable_pattern): Use wi.info to dump reason
3249 for not gridifying. Dump special string for omp_for.
3251 2016-02-26 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
3254 * config/aarch64/aarch64.c (aarch64_set_current_function):
3255 Save/restore target globals when switching to
3256 target_option_default_node.
3258 2016-02-26 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
3261 * config/aarch64/aarch64.c (aarch64_shift_truncation_mask):
3262 Return 0 if !SHIFT_COUNT_TRUNCATED.
3264 2016-02-26 Jakub Jelinek <jakub@redhat.com>
3265 Eric Botcazou <ebotcazou@adacore.com>
3267 PR rtl-optimization/69891
3268 * dse.c (scan_insn): If we can't figure out memset arguments
3269 or they are non-constant, call clear_rhs_from_active_local_stores.
3271 2016-02-26 Martin Liska <mliska@suse.cz>
3273 * doc/extend.texi: Mention clog10, clog10f an clog10l
3274 in Builtins section.
3276 2016-02-26 Martin Liska <mliska@suse.cz>
3278 * dwarf2out.c (new_loc_descr): Replace ENABLE_CHECKING with
3280 (resolve_args_picking_1): Likewise.
3281 * dwarf2out.h (struct GTY): Likewise.
3283 2016-02-26 Martin Liska <mliska@suse.cz>
3285 * hsa-gen.c (generate_hsa): Replace ENABLE_CHECKING macro
3287 * hsa-regalloc.c (linear_scan_regalloc): Likewise.
3289 2016-02-26 Markus Trippelsdorf <markus@trippelsdorf.de>
3290 Martin Liska <mliska@suse.cz>
3292 * doc/install.texi: Mention --enable-valgrind-annotations.
3294 2016-02-26 Richard Biener <rguenther@suse.de>
3296 PR tree-optimization/69551
3297 * tree-ssa-structalias.c (get_constraint_for_ssa_var): When
3298 looking through aliases adjust DECL_PT_UID to refer to the
3299 ultimate alias target.
3301 2016-02-25 Martin Liska <mliska@suse.cz>
3304 * alloc-pool.c (after_memory_report): New variable.
3305 * alloc-pool.h (base_pool_allocator ::release): Do not use
3306 the infrastructure if after_memory_report.
3307 * toplev.c (toplev::main): Mark after memory report.
3309 2016-02-25 Richard Biener <rguenther@suse.de>
3311 PR tree-optimization/48795
3312 * tree-vrp.c (check_array_ref): Use array_at_struct_end_p.
3314 2016-02-25 Ilya Verbin <ilya.verbin@intel.com>
3317 * config/gnu-user.h (CRTOFFLOADBEGIN): Define. Add crtoffloadbegin.o if
3318 offloading is enabled and -fopenacc or -fopenmp is specified.
3319 (CRTOFFLOADEND): Likewise.
3320 (GNU_USER_TARGET_STARTFILE_SPEC): Add CRTOFFLOADBEGIN.
3321 (GNU_USER_TARGET_ENDFILE_SPEC): Add CRTOFFLOADEND.
3322 * lto-wrapper.c (offloadbegin, offloadend): Remove static vars.
3323 (offload_objects_file_name): New static var.
3324 (tool_cleanup): Remove offload_objects_file_name file.
3325 (find_offloadbeginend): Replace with ...
3326 (find_crtoffloadtable): ... this.
3327 (run_gcc): Remove offload_argc and offload_argv.
3328 Get offload_objects_file_name from -foffload-objects=... option.
3329 Read names of object files with offload from this file, pass them to
3330 compile_images_for_offload_targets. Don't call find_offloadbeginend and
3331 don't pass offloadbegin and offloadend to the linker. Don't pass
3332 offload non-LTO files to the linker, because now they're not claimed.
3334 2016-02-25 Jan Hubicka <hubicka@ucw.cz>
3337 * ipa-devirt.c (possible_polymorphic_call_targets): Do not ICE
3338 on builtin_unreachable.
3340 2016-02-25 Jakub Jelinek <jakub@redhat.com>
3342 PR rtl-optimization/69896
3343 * regcprop.c: Include cfgrtl.h.
3344 (copyprop_hardreg_forward_1): If noop_p insn uses narrower
3345 than remembered mode, either delete it (if noop_move_p), or
3346 treat like copy_p but not noop_p instruction.
3348 2016-02-24 Jakub Jelinek <jakub@redhat.com>
3351 * dwarf2out.c (gen_variable_die): Work around buggy LTO
3352 - allow NULL decl for Fortran DW_TAG_common_block variables.
3354 2016-02-24 Jason Merrill <jason@redhat.com>
3356 * common.opt (flifetime-dse): Add -flifetime-dse=1.
3358 2016-02-24 Richard Biener <rguenther@suse.de>
3359 Jakub Jelinek <jakub@redhat.com>
3362 * tree-scalar-evolution.c (interpret_rhs_expr): Re-write
3363 conditionally executed ops to well-defined overflow behavior.
3365 2016-02-24 Jakub Jelinek <jakub@redhat.com>
3368 * tree.c (build_vector_from_ctor): Fix handling of VECTOR_CST
3371 2016-02-24 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
3373 PR rtl-optimization/69886
3374 * gcse.c (can_assign_to_reg_without_clobbers_p): Accept mode
3375 argument. Use it when checking validity of set instructions.
3376 (want_to_gcse_p): Pass mode to can_assign_to_reg_without_clobbers_p.
3377 (compute_ld_motion_mems): Update can_assign_to_reg_without_clobbers_p
3379 * rtl.h (can_assign_to_reg_without_clobbers_p): Update prototype.
3380 * store-motion.c (find_moveable_store): Update
3381 can_assign_to_reg_without_clobbers_p callsite.
3383 2016-02-24 Richard Biener <rguenther@suse.de>
3386 * tree-ssa-loop-niter.c (derive_constant_upper_bound_ops): Fix
3388 (record_nonwrapping_iv): Do not fall back to the low/high bound
3389 for non-constant IV bases if the stmt is not always executed.
3391 2016-02-24 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
3393 * config/arm/arm-cores.def (cortex-a32): New entry.
3394 * config/arm/arm-tables.opt: Regenerate.
3395 * config/arm/arm-tune.md: Regenerate.
3396 * config/arm/bpabi.h (BE8_LINK_SPEC): Add mcpu=cortex-a32.
3397 * config/arm/t-aprofile: Handle mcpu=cortex-a32.
3398 * doc/invoke.texi (ARM Options): Document cortex-a32 as value
3399 for -mcpu and -mtune.
3401 2016-02-24 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
3404 * config/arm/arm.h (TARGET_HAVE_LPAE): Define.
3405 * config/arm/unspecs.md (VUNSPEC_LDRD_ATOMIC): New value.
3406 * config/arm/sync.md (arm_atomic_loaddi2_ldrd): New pattern.
3407 (atomic_loaddi_1): Delete.
3408 (atomic_loaddi): Rewrite expander using the above changes.
3410 2016-02-24 Jakub Jelinek <jakub@redhat.com>
3413 * params.def (PARAM_MAX_SSA_NAME_QUERY_DEPTH): Bump default from
3416 2016-02-24 Jakub Jelinek <jakub@redhat.com>
3417 Richard Biener <rguenth@suse.de>
3420 * expr.c (expand_expr_real_1) <normal_inner_ref>: Avoid
3421 set_mem_attributes if tem is SSA_NAME which got expanded
3424 2016-02-24 Richard Biener <rguenther@suse.de>
3426 PR tree-optimization/69907
3427 * tree-vect-stmts.c (vectorizable_load): Check for gaps at the
3428 end of permutations for BB vectorization.
3430 2016-02-24 Christian Bruel <christian.bruel@st.com>
3432 * config/arm/arm-c.c (arm_option_override): Initialize
3433 target_option_current_node.
3434 * config/arm/arm.c (arm_pragma_target_parse): Replace
3435 build_target_option_node call by target_option_current_node.
3436 Set target_option_current_node.
3439 2016-02-23 David Edelsohn <dje.gcc@gmail.com>
3442 * config/rs6000/rs6000.md (zero_extendqi<mode>2_dot): Convert from
3443 define_insn_and_split to define_insn.
3444 (zero_extendqi<mode>2_dot2): Same.
3445 (extendqi<mode>2_dot): Same.
3446 (extendqi<mode>2_dot2): Same.
3448 2016-02-23 Evandro Menezes <e.menezes@samsung.com>
3450 * config/arm/exynos-m1.md: Change cost of STP, fix bypass for stores
3451 and add bypass for AES{D,E} and AESMC pairs.
3452 * config/aarch64/aarch64.c (exynosm1_tunings): Enable fusion of AES{D,E}
3455 2016-02-23 Evandro Menezes <e.menezes@samsung.com>
3457 * config/aarch64/aarch64.c (exynosm1_tunings): Enable the Newton
3458 series for reciprocal square root in Exynos M1.
3460 2016-02-23 Martin Sebor <msebor@redhat.com>
3463 * doc/extend.texi (Other Builtins): Document __builtin_alloca and
3464 __builtin_alloca_with_align.
3466 2016-02-23 Richard Henderson <rth@redhat.com>
3468 * config/i386/i386-c.c (ix86_target_macros): Remove __SEG_TLS.
3469 (ix86_register_pragmas): Remove __seg_tls.
3470 * config/i386/i386-protos.h (ADDR_SPACE_SEG_TLS): Remove.
3471 * config/i386/i386.c (ix86_print_operand_address_as): Don't handle it.
3472 (ix86_addr_space_subset_p, TARGET_ADDR_SPACE_SUBSET_P): Remove.
3473 (ix86_addr_space_convert, TARGET_ADDR_SPACE_CONVERT): Remove.
3474 (ix86_addr_space_debug, TARGET_ADDR_SPACE_DEBUG): Remove.
3475 * doc/extend.texi (__seg_tls): Remove item.
3477 2016-02-23 Richard Biener <rguenther@suse.de>
3479 * alloc-pool.h (struct allocation_object): Make id member
3480 conditional on CHECKING_P again.
3481 (get_instance): Adjust.
3482 (base_pool_allocator): Likewise.
3484 2016-02-23 Thomas Schwinge <thomas@codesourcery.com>
3486 * tree-parloops.c (create_parallel_loop, gen_parallel_loop)
3487 (parallelize_loops): In OpenACC kernels mode, set n_threads to
3489 (pass_parallelize_loops::gate): In OpenACC kernels mode, gate on
3491 * tree-ssa-loop.c (gate_oacc_kernels): Likewise.
3493 2016-02-23 Richard Biener <rguenther@suse.de>
3495 * mem-stats.h (struct mem_usage): Use PRIu64 for printing size_t.
3496 * bitmap.h (struct bitmap_usage): Likewise.
3497 (bitmap_move): Declare.
3498 * bitmap.c (register_overhead): Take size_t argument.
3499 (bitmap_move): New function.
3500 * df-problems.c (df_rd_transfer_function): Use bitmap_move
3501 to properly account overhead.
3502 * tree.c (free_node): Use tree_size.
3504 2016-02-23 Jakub Jelinek <jakub@redhat.com>
3507 * fold-const.c (fold_truth_not_expr): Propagate TREE_NO_WARNING
3508 when inverting comparison.
3511 * common.opt (Wunreachable-code): Add Warning flag.
3513 2016-02-23 Mark Wielaard <mjw@redhat.com>
3514 Jakub Jelinek <jakub@redhat.com>
3517 * cgraphunit.c (check_global_declaration): Check main_input_filename
3518 and DECL_SOURCE_FILE are not NULL.
3520 2016-02-23 Martin Jambor <mjambor@suse.cz>
3522 PR tree-optimization/69666
3523 * tree-sra.c (sra_modify_assign): Do not attempt to create
3524 default_def replacements for unscalarizable regions.
3526 2016-02-20 Mark Wielaard <mjw@redhat.com>
3529 * cgraphunit.c (check_global_declaration): Check level of
3530 warn_unused_const_variable and main_input_filename.
3531 * doc/invoke.texi (Warning Options): Add -Wunused-const-variable=.
3532 (-Wunused-variable): For C implies -Wunused-const-variable=1.
3533 (-Wunused-const-variable): Explain levels 1 and 2.
3535 2016-02-22 Jakub Jelinek <jakub@redhat.com>
3538 * config/i386/i386.c (decide_alg): Ensure we don't recurse with
3539 identical arguments. Formatting and spelling fixes.
3542 * doc/md.texi (ashl@var{m}3): Document that mode of operand 2 must
3547 * config/m68k/t-opts (OPTIONS_H_EXTRA): Add m68k-microarchs.def
3548 and m68k-devices.def.
3549 * config/c6x/t-c6x (OPTIONS_H_EXTRA): Add c6x-isas.def.
3550 * config/aarch64/t-aarch64 (OPTIONS_H_EXTRA): Add aarch64-arches.def.
3552 2016-02-22 Cesar Philippidis <cesar@codesourcery.com>
3554 * config/nvptx/nvptx.c (nvptx_gen_shuffle): Add support for QImode
3555 and HImode registers.
3557 2016-02-22 Richard Biener <rguenther@suse.de>
3559 PR tree-optimization/69882
3560 * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Properly
3561 preserve permutations present because of gaps.
3562 (vect_supported_load_permutation_p): Always continue checking
3563 permutations after vect_attempt_slp_rearrange_stmts.
3565 2016-02-22 Bin Cheng <bin.cheng@arm.com>
3567 * tree-vect-loop.c (vect_estimate_min_profitable_iters): Dump
3568 min_profitable_estimate, rather than min_profitable_iters.
3570 2016-02-22 Jakub Jelinek <jakub@redhat.com>
3573 * config/m68k/m68k.md (ashldi3, ashrdi3, lshrdi3): Use
3574 SImode for last match_operand.
3576 2016-02-22 Martin Liska <mliska@suse.cz>
3578 * hsa-gen.c (gen_hsa_clrsb): In case of zero value,
3579 return bitsize - 1 as the return value.
3581 2016-02-22 Oleg Endo <olegendo@gcc.gnu.org>
3585 * config/sh/sh.c (sh_lshrsi_clobbers_t_reg_p, sh_dynamicalize_shift_p):
3586 Handle negative shift counts.
3587 * config/sh/sh.md (ashlsi3, lshrsi3_n, lshrsi3_n_clobbers_t): Don't use
3588 force_reg on the shift constant.
3589 (lshrsi3): Likewise. Expand into lshrsi3_n* instead of lshrsi3_d.
3590 (lshrsi3_d): Handle negative shift counts.
3592 2016-02-22 Richard Biener <rguenther@suse.de>
3593 Tom de Vries <tom@codesourcery.com>
3595 * graph.c: Include dumpfile.h.
3596 (print_graph_cfg): Split into three overloads.
3597 * gdbhooks.py (class DotFn): Add and instantiate, adding command dot-fn.
3599 2016-02-22 Tom de Vries <tom@codesourcery.com>
3601 * gdbhooks.py (class DumpFn): Add and instantiate, adding command
3604 2016-02-22 Richard Biener <rguenther@suse.de>
3607 * ipa-inline-transform.c (inline_call): When not updating
3608 overall summaries adjust self size by the growth estimate.
3609 * ipa-inline.c (inline_to_all_callers_1): Add to the callers
3610 hash-set, do not update overall summaries here. Renamed from ...
3611 (inline_to_all_callers): ... this which is now wrapping the
3612 above and performing delayed overall summary update.
3613 (early_inline_small_functions): Delay updating of the overall
3616 2016-02-21 Markus Trippelsdorf <markus@trippelsdorf.de>
3618 * tree-chkp.c (chkp_mark_invalid_bounds_walker): Initialize
3621 2016-02-19 Jakub Jelinek <jakub@redhat.com>
3624 * gcc.c (LINK_COMMAND_SPEC, GOMP_SELF_SPECS): Use
3625 :%* in %:gt() argument.
3626 (greater_than_spec_func): Adjust for expecting only numbers,
3627 if there are more than two numbers, compare the last two.
3629 2016-02-19 Jonathan Wakely <jwakely@redhat.com>
3631 * doc/invoke.texi (C++ Dialect Options): Clarify interaction of
3632 -Wnarrowing with -std.
3634 2016-02-19 Jakub Jelinek <jakub@redhat.com>
3637 * expr.c (store_field): Don't use bit-field path if exp is
3638 COMPONENT_REF with TREE_ADDRESSABLE type, where TYPE_SIZE is
3639 different from bitsize, but DECL_SIZE of FIELD_DECL is bitsize
3640 and the assignment can be performed by bitwise copy. Formatting
3644 * lra.c (lra_process_new_insns): If non-call exceptions are enabled,
3645 call copy_reg_eh_region_note_forward on before and/or after sequences
3646 and remove note from insn if it no longer can throw.
3649 * config/i386/sse.md (VI_512): Only include V64QImode and V32HImode
3652 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
3654 * config/s390/vector.md: Add missing commutative operand markers
3655 to the patterns which qualify for one.
3656 * config/s390/vx-builtins.md: Likewise.
3658 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
3660 * config/s390/vector.md (VI, VI_QHS): Add single element vector
3661 types to mode iterators.
3662 (vec_double): ... and mode attribute.
3663 * config/s390/vx-builtins.md (non_vec_int): Likewise.
3665 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
3667 * config/s390/vector.md ("<ti*>add<mode>3", "<ti*>sub<mode>3"):
3668 Change the predicate of op2 from nonimmediate to general and let
3669 reload fix it if necessary.
3671 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
3673 * config/s390/vecintrin.h (vec_sub_u128): Define missing macro.
3675 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
3677 * config/s390/s390.c (s390_expand_vcond): Use the compare operand
3680 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
3682 * config/s390/s390-protos.h: Add s390_expand_vec_movstr prototype.
3683 * config/s390/s390.c (s390_expand_vec_movstr): New function.
3684 * config/s390/s390.md ("movstr<P:mode>"): Call
3685 s390_expand_vec_movstr.
3687 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
3689 * config/s390/s390.md: Add missing output modifier for operand 1
3690 to print it as address properly.
3692 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
3694 * config/s390/2827.md: Rename ooo_* insn attributes to zEC12_*.
3695 * config/s390/2964.md: New file.
3696 * config/s390/s390.c (s390_get_sched_attrmask): Use the right set
3697 of insn grouping attributes depending on the CPU level.
3698 (s390_get_unit_mask): New function.
3699 (s390_sched_score): Remove the OOO from the scheduling macros.
3700 Add loop to calculate a score for the instruction mix.
3701 (s390_sched_reorder): Likewise plus improve debug output.
3702 (s390_sched_variable_issue): Rename macros as above. Calculate
3703 the unit distances after actually scheduling an insn. Improve
3705 (s390_sched_init): Clear last_scheduled_unit_distance array.
3706 * config/s390/s390.md: Include 2964.md.
3708 2016-02-18 Jakub Jelinek <jakub@redhat.com>
3711 * config/i386/sse.md (*<floatsuffix>floatv2div2sf2_mask_1,
3712 *avx512vl_<code>v2div2qi2_mask_1, *avx512vl_<code><mode>v4qi2_mask_1,
3713 *avx512vl_<code><mode>v8qi2_mask_1, *avx512vl_<code><mode>v4hi2_mask_1,
3714 *avx512vl_<code>v2div2hi2_mask_1, *avx512vl_<code>v2div2si2_mask_1,
3715 *avx512f_<code>v8div16qi2_mask_1): New insns.
3717 2016-02-18 Michael Meissner <meissner@linux.vnet.ibm.com>
3720 * config/rs6000/predicates.md (fusion_gpr_addis): Revert
3723 * config/rs6000/rs6000.md (fusion_gpr_load_<mode>): Remove
3724 earlyclobber from target. Use wF constraint for fused memory
3726 (fusion_gpr_<P:mode>_<GPR_FUSION:mode>_load): Likewise.
3728 2016-02-18 Jakub Jelinek <jakub@redhat.com>
3729 Martin Liska <mliska@suse.cz>
3732 * cfgexpand.c (asan_sanitize_stack_p): New function.
3733 (partition_stack_vars): Use the function.
3734 (expand_stack_vars): Likewise.
3735 (defer_stack_allocation): Likewise.
3736 (expand_used_vars): Likewise.
3738 2016-02-18 Richard Biener <rguenther@suse.de>
3741 * fold-const.c (operand_equal_p): Properly compare offsets for
3742 IMAGPART_EXPR and ARRAY_REF.
3744 2016-02-18 Nick Clifton <nickc@redhat.com>
3748 * config/arm/arm.c (arm_option_override_internal): Disable
3749 interworking if the target does not support thumb instructions.
3750 (arm_reload_in_hi): Handle the case where a register to register
3751 move needs reloading because there is no simple pattern to handle
3753 (arm_reload_out_hi): Likewise.
3755 2016-02-18 Richard Biener <rguenther@suse.de>
3758 * match.pd: Don't use fold_binary or fold_unary for folding
3761 2016-02-17 Jakub Jelinek <jakub@redhat.com>
3764 * gimplify.c (gimplify_cond_expr): Call gimple_set_no_warning
3765 on the cond_stmt from TREE_NO_WARNING on COND_EXPR_COND.
3766 * gimple-ssa-nonnull-compare.c (do_warn_nonnull_compare): Don't
3767 warn on gimple_no_warning_p statements.
3769 2016-02-17 Jonathan Wakely <jwakely@redhat.com>
3771 * doc/extend.texi (C++ Attributes): Correct description of
3772 warn_unused type attribute.
3774 2016-02-17 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
3776 * config/rs6000/altivec.md (*altivec_lvxl_<mode>_internal): Output
3777 correct instruction.
3779 2016-02-17 Richard Biener <rguenther@suse.de>
3781 PR rtl-optimization/69609
3782 * bb-reorder.c (struct bbro_basic_block_data): Add priority member.
3783 (find_traces_1_round): When ending a trace update cached priority
3785 (bb_to_key): Use cached priority when available.
3786 (copy_bb): Initialize cached priority.
3787 (reorder_basic_blocks_software_trace_cache): Likewise.
3789 2016-02-17 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
3792 * config/aarch64/predicates.md (aarch64_comparison_operator_mode):
3794 (aarch64_comparison_operator): Break overly long line into two.
3795 (aarch64_comparison_operation): Likewise.
3796 * config/aarch64/aarch64.md (cstorecc4): Use
3797 aarch64_comparison_operator_mode instead of
3798 aarch64_comparison_operator.
3799 (cstore<mode>4): Likewise.
3800 (aarch64_cstore<mode>): Likewise.
3801 (*cstoresi_insn_uxtw): Likewise.
3802 (cstore<mode>_neg): Likewise.
3803 (*cstoresi_neg_uxtw): Likewise.
3805 2016-02-17 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
3808 * config/arm/predicates.md (arm_comparison_operator_mode):
3810 * config/arm/arm.md (*mov_scc): Use arm_comparison_operator_mode
3811 instead of arm_comparison_operator.
3812 (*mov_negscc): Likewise.
3813 (*mov_notscc): Likewise.
3814 * config/arm/thumb2.md (*thumb2_mov_scc): Likewise.
3815 (*thumb2_mov_negscc): Likewise.
3816 (*thumb2_mov_negscc_strict_it): Likewise.
3817 (*thumb2_mov_notscc): Likewise.
3818 (*thumb2_mov_notscc_strict_it): Likewise.
3820 2016-02-17 Wilco Dijkstra <wdijkstr@arm.com>
3822 * config/aarch64/aarch64.c (aarch64_internal_mov_immediate):
3825 2016-02-17 Eric Botcazou <ebotcazou@adacore.com>
3827 * config/visium/visium.c (machine_libfunc_index): New enum.
3828 (machine_libfuncs): New structure.
3829 (visium_libfuncs): New static variable.
3830 (TARGET_INIT_LIBFUNCS): Define to...
3831 (visium_init_libfuncs): ...this. New function.
3832 (expand_block_move_4): Use the appropriate libfunc.
3833 (expand_block_move_2): Likewise.
3834 (expand_block_move_1): Likewise.
3835 (expand_block_set_4): Likewise.
3836 (expand_block_set_2): Likewise.
3837 (expand_block_set_1): Likewise.
3838 (visium_trampoline_init): Likewise.
3840 2016-02-17 Nick Clifton <nickc@redhat.com>
3842 * config/msp430/msp430.c (msp430_mcu_data): Sync with data from
3843 TI's devices.csv file as of March 2016.
3845 2016-02-16 Kelvin Nilsen <kelvin@gcc.gnu.org>
3848 * opts-global.c (handle_common_deferred_options): Introduce and
3849 initialize two global variables to remember command-line options
3850 specifying a stack-limiting register.
3851 * opts.h: Add extern declarations of the two new global variables.
3852 * emit-rtl.c (init_emit_once): Initialize the stack_limit_rtx
3853 variable based on the values of the two new global variables.
3855 2016-02-16 Jakub Jelinek <jakub@redhat.com>
3858 * common.opt (Wnonnull-compare): New warning.
3859 * doc/invoke.texi (-Wnonnull): Remove text about comparison
3860 of arguments against NULL.
3861 (-Wnonnull-compare): Document.
3862 * Makefile.in (OBJS): Add gimple-ssa-nonnull-compare.o.
3863 * tree-pass.h (make_pass_warn_nonnull_compare): Declare.
3864 * passes.def (pass_warn_nonnull_compare): Add.
3865 * gimple-ssa-nonnull-compare.c: New file.
3867 2016-02-16 James Greenhalgh <james.greenhalgh@arm.com>
3869 * config/aarch64/aarch64.c (cortexa57_tunings): Remove
3870 AARCH64_EXTRA_TUNE_RECIP_SQRT.
3872 2016-02-16 James Greenhalgh <james.greenhalgh@arm.com>
3874 * config/aarch64/aarch64.c (use_rsqrt_p): Always use software
3875 reciprocal sqrt for -mlow-precision-recip-sqrt.
3877 2016-02-16 James Greenhalgh <james.greenhalgh@arm.com>
3878 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3880 * config/aarch64/aarch64.c (aarch64_expand_vector_init): Refactor,
3881 always use lane loads to construct non-constant vectors.
3883 2016-02-16 James Greenhalgh <james.greenhalgh@arm.com>
3885 * config/aarch64/aarch64.md
3886 (arch64_sqrdml<SQRDMLH_AS:rdma_as>h_lane<mode>): Fix register
3887 constraints for operand 3.
3888 (aarch64_sqrdml<SQRDMLH_AS:rdma_as>h_laneq<mode>): Likewise.
3890 2016-02-16 Jakub Jelinek <jakub@redhat.com>
3891 Richard Biener <rguenther@suse.de>
3893 PR tree-optimization/69820
3894 * tree-vect-patterns.c (type_conversion_p): Return false if
3895 *orig_type is unsigned single precision or boolean.
3896 (vect_recog_dot_prod_pattern, vect_recog_widen_mult_pattern):
3899 2016-02-16 Jakub Jelinek <jakub@redhat.com>
3901 PR rtl-optimization/69764
3902 PR rtl-optimization/69771
3903 * optabs.c (expand_binop): Ensure for shift optabs invalid CONST_INT
3904 op1 is valid for GET_MODE_INNER (mode) and force it into a reg.
3906 2016-02-16 Richard Biener <rguenther@suse.de>
3908 PR tree-optimization/69776
3909 * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Get alias
3911 (indirect_refs_may_alias_p): Likewise.
3912 (refs_may_alias_p_1): Pass alias sets as from ao_ref.
3913 * tree-ssa-sccvn.c (vn_reference_lookup): Also adjust vr alias-set
3914 according to tbaa_p.
3915 * tree-ssa-dom.c (lookup_avail_expr): Add tbaa_p flag.
3916 (optimize_stmt): For redundant store discovery do not allow tbaa.
3918 2016-02-16 Bernd Schmidt <bschmidt@redhat.com>
3920 PR tree-optimization/69714
3921 * tree-ssa-math-opts.c (find_bswap_or_nop): Revert previous change.
3922 Return NULL if we have irrelevant high bytes on BIG_ENDIAN.
3924 2016-02-16 Claudiu Zissulescu <claziss@synopsys.com>
3926 * config/arc/arc-modes.def (CC_FPU, CC_FPU_UNEQ): New modes.
3927 * config/arc/arc-opts.h (FPU_SP, FPU_SF, FPU_SC, FPU_SD, FPU_DP)
3928 (FPU_DF, FPU_DC, FPU_DD, FXP_DP): Define.
3929 * config/arc/arc.c (arc_init): Check FPU options.
3930 (get_arc_condition_code): Handle new CC_FPU* modes.
3931 (arc_select_cc_mode): Likewise.
3932 (arc_conditional_register_usage): Allow 64 bit datum into even-odd
3933 register pair only. Allow access for ARCv2 accumulator.
3934 (gen_compare_reg): Whenever we have FPU support use FPU compare
3936 (arc_reorg): Don't generate brcc insns when FPU compare
3937 instructions are involved.
3938 * config/arc/arc.h (TARGET_DPFP): Add TARGET_FP_DPAX condition.
3939 (TARGET_OPTFPE): Add condition when ARC EM can use optimized
3940 floating point emulation.
3941 (ACC_REG_FIRST, ACC_REG_LAST, ACCL_REGNO, ACCH_REGNO): Define.
3942 (REVERSE_CONDITION): Add new CC_FPU* modes.
3943 (TARGET_FP_SP_BASE): Define.
3944 (TARGET_FP_DP_BASE): Likewise.
3945 (TARGET_FP_SP_FUSED): Likewise.
3946 (TARGET_FP_DP_FUSED): Likewise.
3947 (TARGET_FP_SP_CONV): Likewise.
3948 (TARGET_FP_DP_CONV): Likewise.
3949 (TARGET_FP_SP_SQRT): Likewise.
3950 (TARGET_FP_DP_SQRT): Likewise.
3951 (TARGET_FP_DP_AX): Likewise.
3952 * config/arc/arc.md (ARCV2_ACC): New constant.
3953 (type): New fpu type attribute.
3954 (SDF): Conditional iterator.
3955 (cstore<mode>, cbranch<mode>): Change expand condition.
3956 (addsf3, subsf3, mulsf3, adddf3, subdf3, muldf3): New expands,
3957 handles FPU/FPX cases as well.
3958 * config/arc/arc.opt (mfpu): New option.
3959 * config/arc/fpx.md (addsf3_fpx, subsf3_fpx, mulsf3_fpx):
3961 (adddf3, muldf3, subdf3): Removed.
3962 * config/arc/predicates.md (proper_comparison_operator): Recognize
3964 * config/arc/fpu.md: New file.
3965 * doc/invoke.texi (ARC Options): Document mfpu option.
3967 2016-02-16 Richard Biener <rguenther@suse.de>
3969 PR rtl-optimization/69291
3970 * ifcvt.c (noce_try_store_flag_constants): Re-instantiate
3971 noce_operand_ok check.
3973 2016-02-16 Tom de Vries <tom@codesourcery.com>
3976 * omp-low.c (simd_clone_create): Remove call to
3977 symtab->call_cgraph_insertion_hooks.
3979 2016-02-16 Jakub Jelinek <jakub@redhat.com>
3981 PR tree-optimization/69802
3982 * tree-ssa-reassoc.c (update_range_test): If op is
3983 SSA_NAME_IS_DEFAULT_DEF, give up unless tem is a positive
3984 op == 1 test of precision 1 integral op, otherwise handle
3985 that case as op itself. Fix up formatting.
3986 (optimize_range_tests_to_bit_test, optimize_range_tests): Fix
3989 2016-02-16 Richard Biener <rguenther@suse.de>
3991 PR tree-optimization/69586
3992 * tree-vrp.c (register_edge_assert_for_2): Handle all integral
3993 types for conversion sources.
3995 2016-02-16 Richard Biener <rguenther@suse.de>
3998 * fold-const.c (operand_equal_p): For COND_EXPR zero operand
3999 mask OEP_ADDRESS_OF.
4001 2016-02-16 Alan Modra <amodra@gmail.com>
4004 * config/rs6000/rs6000.md (reload_vsx_from_gprsf): Rewrite splitter.
4005 (p8_mtvsrd_df, p8_mtvsrd_sf): New.
4006 (p8_mtvsrd_1, p8_mtvsrd_2): Delete.
4008 (p8_mtvsrwz_1, p8_mtvsrwz_2): Delete.
4009 (p8_xxpermdi_<mode>): Take two DF inputs rather than one TF.
4010 (p8_fmrgow_<mode>): Likewise.
4011 (reload_vsx_from_gpr<mode>): Make clobber IF. Adjust for above
4013 (reload_fpr_from_gpr<mode>): Similarly. Use "d" for op0 constraint.
4014 (reload_vsx_from_gprsf): Use p8_mtvsrd_sf rather than attempting
4015 to use movdi_internal64. Remove op0_di.
4016 * config/rs6000/vsx.md (vsx_xscvspdpn_directmove): Make op1 SFmode.
4018 2016-02-15 Evandro Menezes <e.menezes@samsung.com>
4020 Add support for the FCCMP insn types
4022 * config/aarch64/aarch64.md (fccmp): Change insn type.
4024 * config/aarch64/thunderx.md (thunderx_fcmp): Add "fccmp{s,d}" types.
4025 * config/arm/cortex-a53.md (cortex_a53_fpalu): Likewise.
4026 * config/arm/cortex-a57.md (cortex_a57_fp_cmp): Likewise.
4027 * config/arm/xgene1.md (xgene1_fcmp): Likewise.
4028 * config/arm/exynos-m1.md (exynos_m1_fp_ccmp): New insn reservation.
4029 * config/arm/types.md (fccmps): Add new insn type.
4032 2016-02-15 Bernd Edlinger <bernd.edlinger@hotmail.de>
4034 * alias.c (get_alias_set): Fix a typo in comment.
4036 2016-02-15 Richard Biener <rguenther@suse.de>
4038 PR tree-optimization/69595
4039 * match.pd: Complete range test simplification to true.
4041 2016-02-15 Bernd Schmidt <bschmidt@redhat.com>
4043 PR rtl-optimization/69648
4044 * lra-constraints.c (update_ebb_live_info): Don't remove sets of
4045 pic_offset_table_rtx.
4047 PR rtl-optimization/69752
4048 * ira.c (update_equiv_regs): When looking for more than a single SET,
4049 also take other side effects into account.
4051 2016-02-15 Marcin Kościelnicki <koriakin@0x04.net>
4053 * config/s390/s390.c (s390_function_profiler): Add a new sequence
4054 for z900+ CPUs in 31-bit mode.
4056 2016-02-15 Marcin Kościelnicki <koriakin@0x04.net>
4058 * common/config/s390/s390-common.c (s390_supports_split_stack):
4060 (TARGET_SUPPORTS_SPLIT_STACK): New macro.
4061 * config/s390/s390-protos.h: Add s390_expand_split_stack_prologue.
4062 * config/s390/s390.c (struct machine_function): New field
4063 split_stack_varargs_pointer.
4064 (s390_register_info): Mark r12 as clobbered if it'll be used as temp
4065 in s390_emit_prologue.
4066 (s390_emit_prologue): Use r12 as temp if r1 is taken by split-stack
4068 (morestack_ref): New global.
4069 (SPLIT_STACK_AVAILABLE): New macro.
4070 (s390_expand_split_stack_prologue): New function.
4071 (s390_live_on_entry): New function.
4072 (s390_va_start): Use split-stack vararg pointer if appropriate.
4073 (s390_asm_file_end): Emit the split-stack note sections.
4074 (TARGET_EXTRA_LIVE_ON_ENTRY): New macro.
4075 * config/s390/s390.md (UNSPEC_STACK_CHECK): New unspec.
4076 (UNSPECV_SPLIT_STACK_CALL): New unspec.
4077 (UNSPECV_SPLIT_STACK_DATA): New unspec.
4078 (split_stack_prologue): New expand.
4079 (split_stack_space_check): New expand.
4080 (split_stack_data): New insn.
4081 (split_stack_call): New expand.
4082 (split_stack_call_*): New insn.
4083 (split_stack_cond_call): New expand.
4084 (split_stack_cond_call_*): New insn.
4086 2016-02-15 Richard Biener <rguenther@suse.de>
4088 PR tree-optimization/69783
4089 * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
4090 Add trivially correct cases.
4092 2016-02-15 Tom de Vries <tom@codesourcery.com>
4095 * lto-cgraph.c (input_offload_tables): Add and handle bool parameter
4097 * lto-streamer.h (input_offload_tables): Add and handle bool parameter.
4099 2016-02-15 Richard Biener <rguenther@suse.de>
4101 PR tree-optimization/69776
4102 * tree-ssa-sccvn.h (vn_reference_lookup): Adjust prototype.
4103 * tree-ssa-sccvn.c (vn_reference_lookup): Add parameter to
4104 indicate whether we can use TBAA to disambiguate against stores.
4105 Use alias-set zero if not.
4106 (visit_reference_op_store): Do not use TBAA when looking up
4108 * tree-ssa-pre.c (compute_avail): Use TBAA here.
4109 (eliminate_dom_walker::before_dom_children): But not when looking
4110 up redundant stores.
4112 2016-02-14 John David Anglin <danglin@gcc.gnu.org>
4114 * config/pa/pa.md (absqi2, absghi2, bswaphi2, bswapsi2, bswapdi2): New.
4116 2016-02-14 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
4118 * config/i386/znver1.md
4119 (znver1_pop, znver1_pop_mem,
4120 znver1_load_imov_double_store,
4121 znver1_load_imov_direct_store,
4122 znver1_load_imov_direct_load,
4123 znver1_load_imov_double_load): Add new.
4124 (znver1_insn, znver1_insn_load): Add icmov type.
4126 znver1_sseavx_fma_load,
4128 znver1_avx256_fma_load): Fix pipe usage.
4130 2016-02-14 Alan Modra <amodra@gmail.com>
4133 * reloads.c (find_reloads_address_1): For pre/post-inc/dec
4134 with an invalid hard reg, reload just the reg not the entire
4135 pre/post-inc/dec address expression.
4137 2016-02-13 Oleg Endo <olegendo@gcc.gnu.org>
4140 * config/sh/sh.md (sibcall_value_pcrel): Replace =&k scratch reg with
4141 fixed R1_REG scratch reg.
4142 (sibcall_value_pcrel_fdpic): Likewise.
4144 2016-02-13 Oleg Endo <olegendo@gcc.gnu.org>
4148 * config/sh/sh.md (*zero_extract_3): New insn_and_split pattern.
4150 2016-02-12 Walter Lee <walt@tilera.com>
4152 * config/tilepro/t-tilepro: Replace CC_FOR_BUILD with CXX_FOR_BUILD.
4153 * config/tilegx/t-tilegx: Likewise.
4155 2016-02-12 David Malcolm <dmalcolm@redhat.com>
4158 * diagnostic-show-locus.c (struct line_span): New struct.
4159 (layout::get_first_line): Delete.
4160 (layout::get_last_line): Delete.
4161 (layout::get_num_line_spans): New member function.
4162 (layout::get_line_span): Likewise.
4163 (layout::print_heading_for_line_span_index_p): Likewise.
4164 (layout::get_expanded_location): Likewise.
4165 (layout::calculate_line_spans): Likewise.
4166 (layout::m_first_line): Delete.
4167 (layout::m_last_line): Delete.
4168 (layout::m_line_spans): New field.
4169 (layout::layout): Update comment. Replace m_first_line and
4170 m_last_line with m_line_spans, replacing their initialization
4171 with a call to calculate_line_spans.
4172 (diagnostic_show_locus): When printing source lines and
4173 annotations, rather than looping over a single span
4174 of lines, instead loop over each line_span within
4175 the layout, with an inner loop over the lines within them.
4176 Call the context's start_span callback when changing line spans.
4177 * diagnostic.c (diagnostic_initialize): Initialize start_span.
4178 (diagnostic_build_prefix): Break out the building of the location
4179 part of the string into...
4180 (diagnostic_get_location_text): ...this new function, rewriting
4181 it from nested ternary expressions to a sequence of "if"
4183 (default_diagnostic_start_span_fn): New function.
4184 * diagnostic.h (diagnostic_start_span_fn): New typedef.
4185 (diagnostic_context::start_span): New field.
4186 (default_diagnostic_start_span_fn): New prototype.
4188 2016-02-12 David Malcolm <dmalcolm@redhat.com>
4191 * gcc.c (driver::finalize): Fix cleanup of "specs".
4193 2016-02-12 David Malcolm <dmalcolm@redhat.com>
4197 * gcc.c (driver::driver): Initialize m_option_suggestions.
4198 (driver::~driver): Clean up m_option_suggestions.
4199 (suggest_option): Convert to...
4200 (driver::suggest_option): ...this, and split out into
4201 driver::build_option_suggestions and find_closest_string.
4202 (driver::build_option_suggestions): New function, from
4203 first half of suggest_option. Special-case
4204 OPT_fsanitize_ and OPT_fsanitize_recover_, making use of
4205 the sanitizer_opts array. For options of enum types, add the
4206 various enum values to the candidate strings.
4207 (driver::handle_unrecognized_options): Remove "const".
4208 * gcc.h (driver::handle_unrecognized_options): Likewise.
4209 (driver::build_option_suggestions): New decl.
4210 (driver::suggest_option): New decl.
4211 (driver::m_option_suggestions): New field.
4212 * opts-common.c (add_misspelling_candidates): New function.
4213 * opts.c (sanitizer_opts): Remove decl of struct sanitizer_opts_s
4214 and make non-static.
4215 * opts.h (sanitizer_opts): New array decl.
4216 (add_misspelling_candidates): New function decl.
4217 * spellcheck.c (find_closest_string): New function.
4218 * spellcheck.h (find_closest_string): New function decl.
4220 2016-02-12 Jakub Jelinek <jakub@redhat.com>
4222 PR rtl-optimization/69764
4223 PR rtl-optimization/69771
4224 * optabs.c (expand_binop_directly): For shift_optab_p, force
4225 convert_modes with VOIDmode if xop1 has VOIDmode.
4227 2016-02-12 Ilya Enkovich <enkovich.gnu@gmail.com>
4230 * lto-streamer-out.c (lto_output): Use thunk.add_pointer_bounds_args
4231 to correctly determine instrumentation thunks.
4233 2016-02-12 Jakub Jelinek <jakub@redhat.com>
4236 * ipa-split.c (split_function): If split part returns TREE_ADDRESSABLE
4237 type by reference, force lhs on the call.
4240 * ipa-split.c (split_function): Don't compute/use main_part_return_p.
4241 Compute retval and retbnd early in all cases if split_part_return_p
4242 and return_bb is not EXIT. Remove all clobber stmts and reset
4243 all debug stmts that refer to SSA_NAMEs defined in split part,
4244 except if it is retval, in that case replace the old retval with the
4245 lhs of the call to the split part.
4247 2016-02-12 Kugan Vivekanandarajah <kuganv@linaro.org>
4250 2016-02-12 Kugan Vivekanandarajah <kuganv@linaro.org>
4253 * tree-ssa-reassoc.c (optimize_range_tests): Handle tcc_compare stmt
4254 whose result is used in PHI.
4255 (maybe_optimize_range_tests): Likewise.
4256 (final_range_test_p): Likweise.
4258 2016-02-12 Kugan Vivekanandarajah <kuganv@linaro.org>
4261 * tree-ssa-reassoc.c (optimize_range_tests): Handle tcc_compare stmt
4262 whose result is used in PHI.
4263 (maybe_optimize_range_tests): Likewise.
4264 (final_range_test_p): Likweise.
4266 2016-02-12 Jakub Jelinek <jakub@redhat.com>
4268 * cgraph.c: Spelling fixes - behaviour -> behavior and
4269 neighbour -> neighbor.
4270 * target.def: Likewise.
4271 * sel-sched.c: Likewise.
4272 * config/mips/mips.c: Likewise.
4273 * config/arc/arc.md: Likewise.
4274 * config/arm/cortex-a57.md: Likewise.
4275 * config/arm/arm.c: Likewise.
4276 * config/arm/neon.md: Likewise.
4277 * config/arm/arm-c.c: Likewise.
4278 * config/vms/vms-c.c: Likewise.
4279 * config/s390/s390.c: Likewise.
4280 * config/i386/znver1.md: Likewise.
4281 * config/i386/i386.c: Likewise.
4282 * config/ia64/hpux-unix2003.h: Likewise.
4283 * config/msp430/msp430.md: Likewise.
4284 * config/rx/rx.c: Likewise.
4285 * config/rx/rx.md: Likewise.
4286 * config/aarch64/aarch64-simd.md: Likewise.
4287 * config/aarch64/aarch64.c: Likewise.
4288 * config/nvptx/nvptx.c: Likewise.
4289 * config/bfin/bfin.c: Likewise.
4290 * config/cris/cris.opt: Likewise.
4291 * config/rs6000/rs6000.c: Likewise.
4292 * target.h: Likewise.
4293 * spellcheck.c: Likewise.
4294 * ira-build.c: Likewise.
4295 * tree-inline.c: Likewise.
4296 * builtins.c: Likewise.
4297 * lra-constraints.c: Likewise.
4298 * explow.c: Likewise.
4299 * hwint.h: Likewise.
4300 * targhooks.c: Likewise.
4301 * tree-vect-data-refs.c: Likewise.
4303 * doc/tm.texi: Likewise.
4304 * doc/extend.texi: Likewise.
4305 * doc/install.texi: Likewise.
4306 * doc/md.texi: Likewise.
4307 * tree-ssa-tail-merge.c: Likewise.
4308 * sched-int.h: Likewise.
4309 * match.pd: Likewise.
4310 * sched-ebb.c: Likewise.
4311 * target.def (omit_struct_return_reg): Likewise.
4312 * gimple-ssa-isolate-paths.c: Likewise.
4313 (find_implicit_erroneous_behaviour): Renamed to...
4314 (find_implicit_erroneous_behavior): ... this.
4315 (find_explicit_erroneous_behaviour): Renamed to...
4316 (find_explicit_erroneous_behavior): ... this.
4317 (gimple_ssa_isolate_erroneous_paths): Adjust caller.
4319 2016-02-11 Segher Boessenkool <segher@kernel.crashing.org>
4321 PR rtl-optimization/64682
4322 PR rtl-optimization/69567
4323 PR rtl-optimization/69737
4324 * combine.c (distribute_notes) <REG_DEAD>: If the register is set
4325 in I2 as well, just lose it.
4327 2016-02-11 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
4329 * config/aarch64/aarch64.c (aarch64_last_printed_arch_string):
4331 (aarch64_last_printed_tune_string): Likewise.
4332 (aarch64_declare_function_name): Only output .arch assembler
4333 directive if it will be different from the previously output
4334 directive. Same for .tune comment but only if -dA is set.
4335 (aarch64_start_file): New function.
4336 (TARGET_ASM_FILE_START): Define.
4338 2016-02-11 David Malcolm <dmalcolm@redhat.com>
4341 * Makefile.in (PLUGIN_HEADERS): Add params.list.
4343 2016-02-11 Jakub Jelinek <jakub@redhat.com>
4346 * tree-vect-slp.c (vect_schedule_slp_instance): Avoid
4347 -Wmaybe-uninitialized warning.
4349 2016-02-11 Oleg Endo <olegendo@gcc.gnu.org>
4352 * config/sh/sh.md (casesi_worker_0): Add T_REG use.
4354 2016-02-11 Richard Biener <rguenther@suse.de>
4356 PR rtl-optimization/69291
4357 * ifcvt.c (noce_try_store_flag_constants): Do not allow
4358 subexpressions affected by changing the result.
4360 2016-02-10 Vladimir Makarov <vmakarov@redhat.com>
4363 * lra-constraints.c (curr_insn_transform): Find in/out operands
4364 for secondary memory moves. Update dups.
4366 2016-02-10 Yuri Rumyantsev <ysrumyan@gmail.com>
4368 PR tree-optimization/69652
4369 * tree-vect-loop.c (optimize_mask_stores): Move declaration of STMT1
4370 to nested loop, did source re-formatting, skip debug statements,
4371 add check on statement with volatile operand, remove dead scalar
4374 2016-02-10 Jakub Jelinek <jakub@redhat.com>
4375 Patrick Palka <ppalka@gcc.gnu.org>
4379 * gimplify.c (gimplify_modify_expr): Set lhs even for noreturn
4380 calls if the return type is TREE_ADDRESSABLE.
4381 * cgraphunit.c (cgraph_node::expand_thunk): Likewise.
4382 * ipa-split.c (split_function): Fix doubled "we" in comment.
4383 Use void return type for the split part even if
4384 !split_point->split_part_set_retval.
4386 2016-02-10 Bin Cheng <bin.cheng@arm.com>
4388 PR tree-optimization/68021
4389 * tree-ssa-loop-ivopts.c (get_computation_aff): Set ratio to 1 if
4390 when computing the value of biv cand by itself.
4392 2016-02-10 Wilco Dijkstra <wdijkstr@arm.com>
4394 * config/aarch64/aarch64.c (cortexa53_tunings): Enable AES fusion.
4395 (cortexa57_tunings): Likewise.
4396 (cortexa72_tunings): Likewise.
4397 (arch_macro_fusion_pair_p): Add support for AES fusion.
4398 * config/aarch64/aarch64-fusion-pairs.def: Add AES_AESMC entry.
4399 * config/arm/aarch-common.c (aarch_crypto_can_dual_issue):
4400 Allow virtual registers before reload so early scheduling works.
4401 * config/arm/cortex-a57.md (cortex_a57_crypto_simple): Use
4402 correct latency and pipeline.
4403 (cortex_a57_crypto_complex): Likewise.
4404 (cortex_a57_crypto_xor): Likewise.
4405 (define_bypass): Add AES bypass.
4407 2016-02-10 Richard Biener <rguenther@suse.de>
4409 PR tree-optimization/69726
4410 * passes.def: Add DCE pass before late uninit.
4411 * match.pd: Add A ? B : (!A ? C : X) -> A ? B : C patterns to
4412 really fixup if-conversions job.
4414 2016-02-10 Wilco Dijkstra <wdijkstr@arm.com>
4416 * config/arm/arm.c (arm_cortex_a53_tune): Enable AES fusion.
4417 (arm_cortex_a57_tune): Likewise.
4418 (aarch_macro_fusion_pair_p): Add support for AES fusion.
4419 * config/arm/arm-protos.h (fuse_ops): Add FUSE_AES_AESMC.
4421 2016-02-10 Eric Botcazou <ebotcazou@adacore.com>
4423 * timevar.def (TV_PHASE_DBGINFO): Delete.
4424 (TV_PHASE_CHECK_DBGINFO): Likewise.
4425 * varpool.c (varpool_node::assemble_decl): Do not change timevar.
4427 2016-02-10 Richard Biener <rguenther@suse.de>
4429 PR tree-optimization/69719
4430 * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
4431 Adjust previous fix by ensuring that dr_a1 is left of dr_a2.
4433 2016-02-09 Andrew Pinski <apinski@cavium.com>
4436 * optabs-tree.c (expand_vec_cond_expr_p): Don't early return if
4437 get_vcond_mask_icode returns false.
4439 2016-02-09 Michael Meissner <meissner@linux.vnet.ibm.com>
4442 * config/rs6000/predicates.md (fusion_gpr_addis): Prevent fusing
4443 an ADDIS that adds a pointer to a large constant that sets the
4444 upper16 bits with a load operation.
4446 2016-02-09 Charles Baylis <charles.baylis@linaro.org>
4449 * config/arm/arm.c (arm_evpc_neon_vzip): Allow for big endian lane
4451 * config/arm/arm_neon.h (vzipq_s8): Adjust shuffle patterns for big
4453 (vzipq_s16): Likewise.
4454 (vzipq_s32): Likewise.
4455 (vzipq_f32): Likewise.
4456 (vzipq_u8): Likewise.
4457 (vzipq_u16): Likewise.
4458 (vzipq_u32): Likewise.
4459 (vzipq_p8): Likewise.
4460 (vzipq_p16): Likewise.
4462 2016-02-09 Charles Baylis <charles.baylis@linaro.org>
4465 * config/arm/arm.c (neon_endian_lane_map): New function.
4466 (neon_vector_pair_endian_lane_map): New function.
4467 (arm_evpc_neon_vuzp): Allow for big endian lane order.
4468 * config/arm/arm_neon.h (vuzpq_s8): Adjust shuffle patterns for big
4470 (vuzpq_s16): Likewise.
4471 (vuzpq_s32): Likewise.
4472 (vuzpq_f32): Likewise.
4473 (vuzpq_u8): Likewise.
4474 (vuzpq_u16): Likewise.
4475 (vuzpq_u32): Likewise.
4476 (vuzpq_p8): Likewise.
4477 (vuzpq_p16): Likewise.
4479 2016-02-11 Alexandre Oliva <aoliva@redhat.com>
4482 * regstat.c (regstat_bb_compute_calls_crossed): Disregard
4485 2016-02-09 Uros Bizjak <ubizjak@gmail.com>
4487 * config/i386/i386.md (insv<mode>_1): Use gen_int_mode to
4488 truncate const_int operand 1 to QImode.
4490 2016-02-09 Eric Botcazou <ebotcazou@adacore.com>
4492 * gimple-ssa-backprop.c (optimize_phi): Do not replace an argument
4493 corresponding to an abnormal edge.
4495 2016-02-09 Tom de Vries <tom@codesourcery.com>
4497 PR tree-optimization/69599
4498 * tree-ssa-structalias.c (fndecl_maybe_in_other_partition): New
4500 (find_func_aliases_for_builtin_call, find_func_clobbers)
4501 (ipa_pta_execute): Handle case that foo and foo._0 are not in same lto
4504 2016-02-09 Richard Biener <rguenther@suse.de>
4506 PR tree-optimization/69715
4507 * tree-ssa.c (execute_update_addresses_taken): Mark non-decl
4508 LHS on calls as non-rewritable.
4510 2016-02-09 Tom de Vries <tom@codesourcery.com>
4513 * lto-wrapper.c (append_diag_options): New function.
4514 (compile_offload_image): Call append_diag_options.
4516 2016-02-08 Sandra Loosemore <sandra@codesourcery.com>
4519 * doc/extend.texi (Flag Output Operands): Correct sectioning.
4520 Minor copy-edit to fix verb tenses.
4522 2016-02-08 Jakub Jelinek <jakub@redhat.com>
4524 PR tree-optimization/69209
4525 * ipa-split.c (split_function): If split part is not
4526 returning retval, retval has gimple type but is not
4527 gimple value, force it into a SSA_NAME first.
4529 2016-02-08 Nicklas Bo Jensen <nbjensen@gmail.com>
4531 * doc/tree-ssa.texi (Preserving the virtual SSA form): Remove
4534 2016-02-08 Jason Merrill <jason@redhat.com>
4537 * convert.c (convert_to_integer_1): Check dofold on truncation
4539 (convert_to_pointer_maybe_fold, convert_to_real_maybe_fold)
4540 (convert_to_integer_maybe_fold, convert_to_complex_maybe_fold):
4541 Rename from *_nofold.
4542 * convert.h (convert_to_pointer_nofold, convert_to_integer_nofold)
4543 (convert_to_real_nofold, convert_to_complex_nofold): New inlines.
4545 2016-02-08 Bernd Schmidt <bschmidt@redhat.com>
4548 * tree.c (build_common_tree_nodes): Remove short_double argument.
4549 All callers changed.
4550 * tree.h (build_common_tree_nodes): Adjust declaration.
4551 * doc/invoke.texi (-fshort-double): Remove documentation.
4552 * config/mips/t-img-elf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
4553 MULTILIB_EXCEPTIONS): Remove -fshort-double variant.
4554 * lto-wrapper.c (merge_and_complain, append_compiler_options)
4555 (append_linker_options): Don't handle OPT_fshort_double.
4557 PR rtl-optimization/68730
4558 * lra-remat.c (insn_to_cand_activation): New static variable.
4559 (lra_remat): Allocate and free it.
4560 (create_cand): New arg activation. Initialize a field in
4561 insn_to_cand_activation if it is nonnull.
4562 (create_cands): Pass the activation insn to create_cand when making
4563 a candidate involving an output reload. Reorganize code a little.
4564 (do_remat): Keep track of active status of candidates in a separate
4567 2016-02-08 Richard Biener <rguenther@suse.de>
4569 PR tree-optimization/69719
4570 * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
4571 Properly use absolute of the difference of the two offsets to
4572 compare or adjust the segment length.
4574 2016-02-08 Richard Biener <rguenther@suse.de>
4575 Jeff Law <law@redhat.com>
4578 * tree-ssanames.c (make_ssa_name_fn): Always use unqualified
4579 types for anonymous SSA names.
4581 2016-02-08 Richard Biener <rguenther@suse.de>
4583 PR rtl-optimization/69274
4584 * ira.c (ira_setup_alts): Do not change recog_data.operand order.
4586 2016-02-08 Jeff Law <law@redhat.com>
4588 PR tree-optimization/65917
4589 * tree-ssa-dom.c (record_temporary_equivalences): Record both
4590 equivalences from if (x == y) style conditionals.
4591 (loop_depth_of_name): Remove.
4592 (record_equality): Remove loop depth check.
4593 * tree-ssa-scopedtables.h (const_and_copies): Refine comments.
4594 (const_and_copies::record_const_or_copy_raw): New member function.
4595 * tree-ssa-scopedtables.c
4596 (const_and_copies::record_const_or_copy_raw): New, factored out of
4597 (const_and_copies::record_const_or_copy): Call new member function.
4599 2016-02-05 Jeff Law <law@redhat.com>
4601 PR tree-optimization/68541
4602 * gimple-ssa-split-paths.c: Include tree-cfg.h and params.h.
4603 (count_stmts_in_block): New function.
4604 (poor_ifcvt_candidate_code): Likewise.
4605 (is_feasible_trace): Add some heuristics to determine when path
4606 splitting is profitable.
4607 (find_block_to_duplicate_for_splitting_paths): Make sure the graph
4608 is a diamond with a single exit.
4610 2016-02-05 Martin Sebor <msebor@redhat.com>
4613 * doc/invoke.texi: Update -Wplacement-new to take an optional
4616 2016-02-06 Richard Henderson <rth@redhat.com>
4619 * tree.c (tree_nop_conversion_p): Do not strip casts into or
4620 out of non-standard address spaces.
4622 2016-02-05 Jakub Jelinek <jakub@redhat.com>
4624 PR rtl-optimization/69691
4625 * lra-eliminations.c (move_plus_up): Don't add the addend twice.
4627 2016-02-05 Pat Haugen <pthaugen@us.ibm.com>
4629 * config/rs6000/crypto.md (crypto_vpermxor_<mode>): Correct insn type.
4630 * config/rs6000/rs6000.md (mov<mode>_hardfloat): Likewise.
4631 (*ieee128_mfvsrd_64bit): Likewise.
4632 (*ieee128_mfvsrd_32bit): Likewise.
4634 2016-02-05 Ilya Enkovich <enkovich.gnu@gmail.com>
4638 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
4640 * cgraphunit.c (cgraph_node::reset): Clear thunk info and
4641 instrumented_version.
4643 2016-01-05 Jeremy Bennett <jeremy.bennett@embecosm.com>
4645 * doc/invoke.texi (Optimize Options): In table of --param options
4646 rename second occurrence of tracer-min-branch-ratio to
4647 tracer-min-branch-probability, rename
4648 tracer-min-branch-ratio-feedback to
4649 tracer-min-branch-probability-feedback and clarify description,
4650 rename sched-spec-state-edge-prob-cutoff to
4651 sched-state-edge-prob-cutoff, rename selsched-max-insns-to-rename
4652 to selsched-insns-to-rename, rename lto-minpartition to
4653 lto-min-partition, delete reorder-blocks-duplicate and
4654 reorder-blocks-duplicate-feedback.
4656 2016-02-05 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
4658 * config/s390/s390.c (s390_register_info_set_ranges): Remove
4661 2016-02-05 Dominik Vogt <vogt@linux.vnet.ibm.com>
4663 * doc/extend.texi: S/390: Correct some typos.
4665 2016-02-05 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
4667 * config/s390/s390.c (s390_emit_call): Add missing 64 bit check.
4669 2016-02-05 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
4672 * config/s390/s390.c (SAVE_SLOT_NONE, SAVE_SLOT_STACK): New defines.
4673 (s390_register_info_gprtofpr): Use new macros above.
4674 (s390_register_info_stdarg_fpr): Adjust max_fpr to better match
4676 (s390_register_info_stdarg_gpr): Adjust max_gpr to better match
4677 its name. Adjust restore and save gpr ranges.
4678 (s390_register_info_set_ranges): New function.
4679 (s390_register_info): Use new macros above. Call
4680 s390_register_info_set_ranges.
4681 (s390_optimize_register_info): Likewise.
4682 (s390_hard_regno_rename_ok): Use new macros.
4683 (s390_hard_regno_scratch_ok): Likewise.
4684 (s390_emit_epilogue): Likewise.
4685 (s390_can_use_return_insn): Likewise.
4686 (s390_optimize_prologue): Likewise.
4687 * config/s390/s390.md (GPR2_REGNUM, GPR6_REGNUM): New constants.
4689 2016-02-05 Jakub Jelinek <jakub@redhat.com>
4692 * config/i386/i386.c (convert_scalars_to_vector): Readd stack
4694 (ix86_option_override_internal): Disable TARGET_STV even for
4695 -m{incoming,preferred}-stack-boundary=3.
4697 2016-02-03 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
4699 * config.gcc: Mark deprecated rtems targets as obsolete.
4701 2016-02-04 Segher Boessenkool <segher@kernel.crashing.org>
4703 PR rtl-optimization/64682
4704 PR rtl-optimization/69567
4705 * combine.c (distribute_notes) <REG_DEAD>: Place the death note
4706 before I2 only if the register is both used and set in I2.
4708 2016-02-04 DJ Delorie <dj@redhat.com>
4710 * config/msp430/msp430.c (msp430_start_function): Add function type.
4712 2016-02-04 Jakub Jelinek <jakub@redhat.com>
4715 * tree-dfa.c (get_ref_base_and_extent): Remove unreachable code.
4717 2016-02-04 Uros Bizjak <ubizjak@gmail.com>
4719 PR rtl-optimization/69577
4721 2015-10-29 Richard Henderson <rth@redhat.com>
4725 * config/i386/i386.c (ix86_cannot_change_mode_class): Tighten
4726 sse check to the exact conditions of PR 67609.
4728 2016-02-04 Michael Meissner <meissner@linux.vnet.ibm.com>
4731 * config/rs6000/rs6000.md (mov<mode>_64bit_dm): Use 'd' constraint
4732 instead of 'ws', and 'wh' instead of 'wm' since TFmode/IFmode are
4733 not allowed into the traditional Altivec registers.
4734 (movtd_64bit_nodm): Likewise.
4735 (mov<mode>_32bit, FMOVE128_FPR iterator): Likewise.
4737 2016-02-04 David Malcolm <dmalcolm@redhat.com>
4739 * config/aarch64/cortex-a57-fma-steering.c
4740 (aarch64_register_fma_steering): Remove "static" from arguments
4743 2016-02-04 Wilco Dijkstra <wdijkstr@arm.com>
4746 * ccmp.c (expand_ccmp_expr_1): Avoid evaluating gs0/gs1
4749 2016-02-04 Mike Frysinger <vapier@gentoo.org>
4751 * doc/invoke.texi: Delete -mno-fma4.
4753 2016-02-04 Richard Sandiford <richard.sandiford@arm.com>
4755 PR rtl-optimization/69577
4756 * reginfo.c (record_subregs_of_mode): Add a partial_def parameter.
4757 (find_subregs_of_mode): Update accordingly. Iterate over partial
4760 2016-02-04 Alan Lawrence <alan.lawrence@arm.com>
4762 * config/arm/arm-protos.h (neon_reinterpret): Remove.
4763 * config/arm/arm.c (neon_reinterpret): Remove.
4764 * config/arm/arm_neon_builtins.def (vreinterpretv8qi, vreinterpretv4hi,
4765 vreinterpretv2si, vreinterpretv2sf, vreinterpretdi, vreinterpretv16qi,
4766 vreinterpretv8hi, vreinterpretv4si, vreinterpretv4sf, vreinterpretv2di,
4767 vreinterpretti): Remove.
4768 * config/arm/neon.md (neon_vreinterpretv8qi<mode>,
4769 neon_vreinterpretv4hi<mode>, neon_vreinterpretv2si<mode>,
4770 neon_vreinterpretv2sf<mode>, neon_vreinterpretdi<mode>,
4771 neon_vreinterpretti<mode>, neon_vreinterpretv16qi<mode>,
4772 neon_vreinterpretv8hi<mode>, neon_vreinterpretv4si<mode>,
4773 neon_vreinterpretv4sf<mode>, neon_vreinterpretv2di<mode>): Remove.
4774 * config/arm/arm_neon.h (vreinterpret_p8_p16, vreinterpret_p8_f32,
4775 vreinterpret_p8_p64, vreinterpret_p8_s64, vreinterpret_p8_u64,
4776 vreinterpret_p8_s8, vreinterpret_p8_s16, vreinterpret_p8_s32,
4777 vreinterpret_p8_u8, vreinterpret_p8_u16, vreinterpret_p8_u32,
4778 vreinterpret_p16_p8, vreinterpret_p16_f32, vreinterpret_p16_p64,
4779 vreinterpret_p16_s64, vreinterpret_p16_u64, vreinterpret_p16_s8,
4780 vreinterpret_p16_s16, vreinterpret_p16_s32, vreinterpret_p16_u8,
4781 vreinterpret_p16_u16, vreinterpret_p16_u32, vreinterpret_f32_p8,
4782 vreinterpret_f32_p16, vreinterpret_f32_p64, vreinterpret_f32_s64,
4783 vreinterpret_f32_u64, vreinterpret_f32_s8, vreinterpret_f32_s16,
4784 vreinterpret_f32_s32, vreinterpret_f32_u8, vreinterpret_f32_u16,
4785 vreinterpret_f32_u32, vreinterpret_p64_p8, vreinterpret_p64_p16,
4786 vreinterpret_p64_f32, vreinterpret_p64_s64, vreinterpret_p64_u64,
4787 vreinterpret_p64_s8, vreinterpret_p64_s16, vreinterpret_p64_s32,
4788 vreinterpret_p64_u8, vreinterpret_p64_u16, vreinterpret_p64_u32,
4789 vreinterpret_s64_p8, vreinterpret_s64_p16, vreinterpret_s64_f32,
4790 vreinterpret_s64_p64, vreinterpret_s64_u64, vreinterpret_s64_s8,
4791 vreinterpret_s64_s16, vreinterpret_s64_s32, vreinterpret_s64_u8,
4792 vreinterpret_s64_u16, vreinterpret_s64_u32, vreinterpret_u64_p8,
4793 vreinterpret_u64_p16, vreinterpret_u64_f32, vreinterpret_u64_p64,
4794 vreinterpret_u64_s64, vreinterpret_u64_s8, vreinterpret_u64_s16,
4795 vreinterpret_u64_s32, vreinterpret_u64_u8, vreinterpret_u64_u16,
4796 vreinterpret_u64_u32, vreinterpret_s8_p8, vreinterpret_s8_p16,
4797 vreinterpret_s8_f32, vreinterpret_s8_p64, vreinterpret_s8_s64,
4798 vreinterpret_s8_u64, vreinterpret_s8_s16, vreinterpret_s8_s32,
4799 vreinterpret_s8_u8, vreinterpret_s8_u16, vreinterpret_s8_u32,
4800 vreinterpret_s16_p8, vreinterpret_s16_p16, vreinterpret_s16_f32,
4801 vreinterpret_s16_p64, vreinterpret_s16_s64, vreinterpret_s16_u64,
4802 vreinterpret_s16_s8, vreinterpret_s16_s32, vreinterpret_s16_u8,
4803 vreinterpret_s16_u16, vreinterpret_s16_u32, vreinterpret_s32_p8,
4804 vreinterpret_s32_p16, vreinterpret_s32_f32, vreinterpret_s32_p64,
4805 vreinterpret_s32_s64, vreinterpret_s32_u64, vreinterpret_s32_s8,
4806 vreinterpret_s32_s16, vreinterpret_s32_u8, vreinterpret_s32_u16,
4807 vreinterpret_s32_u32, vreinterpret_u8_p8, vreinterpret_u8_p16,
4808 vreinterpret_u8_f32, vreinterpret_u8_p64, vreinterpret_u8_s64,
4809 vreinterpret_u8_u64, vreinterpret_u8_s8, vreinterpret_u8_s16,
4810 vreinterpret_u8_s32, vreinterpret_u8_u16, vreinterpret_u8_u32,
4811 vreinterpret_u16_p8, vreinterpret_u16_p16, vreinterpret_u16_f32,
4812 vreinterpret_u16_p64, vreinterpret_u16_s64, vreinterpret_u16_u64,
4813 vreinterpret_u16_s8, vreinterpret_u16_s16, vreinterpret_u16_s32,
4814 vreinterpret_u16_u8, vreinterpret_u16_u32, vreinterpret_u32_p8,
4815 vreinterpret_u32_p16, vreinterpret_u32_f32, vreinterpret_u32_p64,
4816 vreinterpret_u32_s64, vreinterpret_u32_u64, vreinterpret_u32_s8,
4817 vreinterpret_u32_s16, vreinterpret_u32_s32, vreinterpret_u32_u8,
4818 vreinterpret_u32_u16, vreinterpretq_p8_p16, vreinterpretq_p8_f32,
4819 vreinterpretq_p8_p64, vreinterpretq_p8_p128, vreinterpretq_p8_s64,
4820 vreinterpretq_p8_u64, vreinterpretq_p8_s8, vreinterpretq_p8_s16,
4821 vreinterpretq_p8_s32, vreinterpretq_p8_u8, vreinterpretq_p8_u16,
4822 vreinterpretq_p8_u32, vreinterpretq_p16_p8, vreinterpretq_p16_f32,
4823 vreinterpretq_p16_p64, vreinterpretq_p16_p128, vreinterpretq_p16_s64,
4824 vreinterpretq_p16_u64, vreinterpretq_p16_s8, vreinterpretq_p16_s16,
4825 vreinterpretq_p16_s32, vreinterpretq_p16_u8, vreinterpretq_p16_u16,
4826 vreinterpretq_p16_u32, vreinterpretq_f32_p8, vreinterpretq_f32_p16,
4827 vreinterpretq_f32_p64, vreinterpretq_f32_p128, vreinterpretq_f32_s64,
4828 vreinterpretq_f32_u64, vreinterpretq_f32_s8, vreinterpretq_f32_s16,
4829 vreinterpretq_f32_s32, vreinterpretq_f32_u8, vreinterpretq_f32_u16,
4830 vreinterpretq_f32_u32, vreinterpretq_p64_p8, vreinterpretq_p64_p16,
4831 vreinterpretq_p64_f32, vreinterpretq_p64_p128, vreinterpretq_p64_s64,
4832 vreinterpretq_p64_u64, vreinterpretq_p64_s8, vreinterpretq_p64_s16,
4833 vreinterpretq_p64_s32, vreinterpretq_p64_u8, vreinterpretq_p64_u16,
4834 vreinterpretq_p64_u32, vreinterpretq_p128_p8, vreinterpretq_p128_p16,
4835 vreinterpretq_p128_f32, vreinterpretq_p128_p64, vreinterpretq_p128_s64,
4836 vreinterpretq_p128_u64, vreinterpretq_p128_s8, vreinterpretq_p128_s16,
4837 vreinterpretq_p128_s32, vreinterpretq_p128_u8, vreinterpretq_p128_u16,
4838 vreinterpretq_p128_u32, vreinterpretq_s64_p8, vreinterpretq_s64_p16,
4839 vreinterpretq_s64_f32, vreinterpretq_s64_p64, vreinterpretq_s64_p128,
4840 vreinterpretq_s64_u64, vreinterpretq_s64_s8, vreinterpretq_s64_s16,
4841 vreinterpretq_s64_s32, vreinterpretq_s64_u8, vreinterpretq_s64_u16,
4842 vreinterpretq_s64_u32, vreinterpretq_u64_p8, vreinterpretq_u64_p16,
4843 vreinterpretq_u64_f32, vreinterpretq_u64_p64, vreinterpretq_u64_p128,
4844 vreinterpretq_u64_s64, vreinterpretq_u64_s8, vreinterpretq_u64_s16,
4845 vreinterpretq_u64_s32, vreinterpretq_u64_u8, vreinterpretq_u64_u16,
4846 vreinterpretq_u64_u32, vreinterpretq_s8_p8, vreinterpretq_s8_p16,
4847 vreinterpretq_s8_f32, vreinterpretq_s8_p64, vreinterpretq_s8_p128,
4848 vreinterpretq_s8_s64, vreinterpretq_s8_u64, vreinterpretq_s8_s16,
4849 vreinterpretq_s8_s32, vreinterpretq_s8_u8, vreinterpretq_s8_u16,
4850 vreinterpretq_s8_u32, vreinterpretq_s16_p8, vreinterpretq_s16_p16,
4851 vreinterpretq_s16_f32, vreinterpretq_s16_p64, vreinterpretq_s16_p128,
4852 vreinterpretq_s16_s64, vreinterpretq_s16_u64, vreinterpretq_s16_s8,
4853 vreinterpretq_s16_s32, vreinterpretq_s16_u8, vreinterpretq_s16_u16,
4854 vreinterpretq_s16_u32, vreinterpretq_s32_p8, vreinterpretq_s32_p16,
4855 vreinterpretq_s32_f16, vreinterpretq_s32_f32, vreinterpretq_s32_p64,
4856 vreinterpretq_s32_p128, vreinterpretq_s32_s64, vreinterpretq_s32_u64,
4857 vreinterpretq_s32_s8, vreinterpretq_s32_s16, vreinterpretq_s32_u8,
4858 vreinterpretq_s32_u16, vreinterpretq_s32_u32, vreinterpretq_u8_p8,
4859 vreinterpretq_u8_p16, vreinterpretq_u8_f32, vreinterpretq_u8_p64,
4860 vreinterpretq_u8_p128, vreinterpretq_u8_s64, vreinterpretq_u8_u64,
4861 vreinterpretq_u8_s8, vreinterpretq_u8_s16, vreinterpretq_u8_s32,
4862 vreinterpretq_u8_u16, vreinterpretq_u8_u32, vreinterpretq_u16_p8,
4863 vreinterpretq_u16_p16, vreinterpretq_u16_f32, vreinterpretq_u16_p64,
4864 vreinterpretq_u16_p128, vreinterpretq_u16_s64, vreinterpretq_u16_u64,
4865 vreinterpretq_u16_s8, vreinterpretq_u16_s16, vreinterpretq_u16_s32,
4866 vreinterpretq_u16_u8, vreinterpretq_u16_u32, vreinterpretq_u32_p8,
4867 vreinterpretq_u32_p16, vreinterpretq_u32_f32, vreinterpretq_u32_p64,
4868 vreinterpretq_u32_p128, vreinterpretq_u32_s64, vreinterpretq_u32_u64,
4869 vreinterpretq_u32_s8, vreinterpretq_u32_s16, vreinterpretq_u32_s32,
4870 vreinterpretq_u32_u8, vreinterpretq_u32_u16): Rewrite using casts.
4872 2016-02-04 Martin Liska <mliska@suse.cz>
4875 * asan.c (has_stmt_been_instrumented_p): Instrument gimple calls
4876 that are gimple_store_p.
4877 (maybe_instrument_call): Likewise.
4879 2016-02-04 Bin Cheng <bin.cheng@arm.com>
4881 * config/aarch64/aarch64.c (aarch64_legitimize_address): Force
4882 register scaling out of memory reference and comment why.
4884 2016-02-04 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
4888 * cse.c (cse_insn): Pass NULL to fold_rtx when initially
4889 folding the source of a SET.
4891 2016-02-04 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
4895 * config/arm/arm.c (arm_new_rtx_costs, MULT case): Properly extract
4896 the operands of the SIGN_EXTENDs from a SMUL[TB][TB] rtx.
4898 2016-02-04 Jim Wilson <jim.wilson@linaro.org>
4902 * config/arm/arm.h (PROMOTE_MODE): Don't set UNSIGNEDP for QImode and
4905 2016-02-04 Christian Bruel <christian.bruel@st.com>
4907 * config/arm/arm-c.c (arm_reset_previous_fndecl): Style fix and typo.
4908 * config/arm/arm.c (arm_set_current_function): Likewise.
4910 2016-02-04 Jakub Jelinek <jakub@redhat.com>
4911 Ilya Enkovich <enkovich.gnu@gmail.com>
4912 H.J. Lu <hongjiu.lu@intel.com>
4915 * config/i386/i386.c (convert_scalars_to_vector): Remove
4916 stack alignment fixes.
4917 (ix86_option_override_internal): Disable TARGET_STV if stack
4918 might not be aligned enough.
4919 (ix86_minimum_alignment): Assert that TARGET_STV is false.
4921 2016-02-04 Victoria Stepanyan <victoria.stepanyan@amd.com>
4923 * gcc/config/i386/x86-tune.def: Disable default prefetching
4926 2016-02-03 Michael Meissner <meissner@linux.vnet.ibm.com>
4927 Vladimir Makarov <vmakarov@redhat.com>
4930 * config/rs6000/rs6000.c (rs6000_legitimate_address_p): Fix thinko
4931 in validating fused toc addresses.
4933 2016-02-03 Jakub Jelinek <jakub@redhat.com>
4936 * diagnostic-show-locus.c (layout::get_state_at_point): Don't read
4937 range->m_caret fields if range->m_show_caret_p is false.
4940 * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap):
4941 Force oldval into register if it does not satisfy reg_or_short_operand
4942 predicate. Fix up formatting.
4944 2016-02-03 Vladimir Makarov <vmakarov@redhat.com>
4945 Alexandre Oliva <aoliva@redhat.com>
4948 * lra-constraints.c (simplify_operand_subreg): Check additionally
4949 address validity after potential reloading.
4950 (process_address_1): Check insns validity. In case of failure do
4953 2016-02-03 Kirill Yukhin <kirill.yukhin@intel.com>
4956 * config/i386/sse.md (define_insn "avx512f_maskcmp<mode>3"):
4959 2016-02-02 Jakub Jelinek <jakub@redhat.com>
4961 * wide-int.cc (canonize_uhwi): New function.
4962 (wi::divmod_internal): Use it.
4964 2016-02-02 James Norris <jnorris@codesourcery.com
4966 * gimplify.c (omp_notice_variable): Add usage check.
4968 2016-02-02 Alexander Monakov <amonakov@ispras.ru>
4970 * config/nvptx/nvptx.c (nvptx_print_operand): Treat LEU, GEU, LTU, GTU
4971 like LE, GE, LT, GT when emitting relational operator.
4973 2016-02-02 Wilco Dijkstra <wdijkstr@arm.com>
4975 * ira-costs.c (find_costs_and_classes): Add extra argument.
4976 * target.def (ira_change_pseudo_allocno_class): Add parameter.
4977 * targhooks.h (ira_change_pseudo_allocno_class): Likewise.
4978 * targhooks.c (ira_change_pseudo_allocno_class): Likewise.
4979 * config/aarch64/aarch64.c (aarch64_ira_change_pseudo_allocno_class)
4980 Add best_class parameter, and return it if not ALL_REGS.
4981 * config/mips/mips.c (mips_ira_change_pseudo_allocno_class):
4983 * doc/tm.texi (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS):
4986 2016-02-02 Wilco Dijkstra <wdijkstr@arm.com>
4988 * config/aarch64/aarch64.c
4989 (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS): New define.
4990 (aarch64_ira_change_pseudo_allocno_class): New function.
4992 2016-02-02 Uros Bizjak <ubizjak@gmail.com>
4995 * config/i386/i386.c (geode_cost): Increase cost of MMX and SSE moves.
4997 2016-02-02 Senthil Kumar Selvaraj <senthil_kumar.selvaraj@atmel.com>
4999 * config/avr/avr.c (avr_option_override): Set
5000 PARAM_ALLOW_STORE_DATA_RACES to 1.
5002 2016-02-02 Richard Biener <rguenther@suse.de>
5004 PR tree-optimization/69595
5005 * match.pd: Add range test simplifications to true/false.
5007 2016-02-02 Thomas Schwinge <thomas@codesourcery.com>
5009 * omp-builtins.def (BUILT_IN_GOACC_HOST_DATA): Remove.
5010 * omp-low.c (expand_omp_target): Use BUILT_IN_GOACC_DATA_START
5013 2016-02-02 Richard Biener <rguenther@suse.de>
5015 PR tree-optimization/69606
5016 * tree-ssa-math-opts.c (bswap_replace): Clear flow sensitive
5017 info on the result before moving a stmt.
5019 2016-02-02 Yuri Rumyantsev <ysrumyan@gmail.com>
5022 * config/i386/i386.c (ix86_expand_branch): Add support for conditional
5023 branch with vector comparison.
5024 * config/i386/sse.md (VI48_AVX): New mode iterator.
5025 (define_expand "cbranch<mode>4): Add support for conditional branch
5026 with vector comparison.
5027 * tree-vect-loop.c (optimize_mask_stores): New function.
5028 * tree-vect-stmts.c (vectorizable_mask_load_store): Initialize
5029 has_mask_store field of vect_info.
5030 * tree-vectorizer.c (vectorize_loops): Invoke optimaze_mask_stores for
5031 vectorized loops having masked stores after vec_info destroy.
5032 * tree-vectorizer.h (loop_vec_info): Add new has_mask_store field and
5033 correspondent macros.
5034 (optimize_mask_stores): Add prototype.
5036 2016-02-02 Alan Modra <amodra@gmail.com>
5039 * config/rs6000/predicates.md (quad_int_reg_operand): Don't
5042 2016-02-02 Alan Modra <amodra@gmail.com>
5045 * config/rs6000/rs6000.c (need_toc_init): New var, set it
5046 whenever toc_label_name used.
5047 (rs6000_file_start): Don't set up toc section here,
5048 (rs6000_output_function_epilogue): do so here instead,
5049 (rs6000_xcoff_file_start): and here.
5050 * config/rs6000/rs6000.md (load_toc_aix_si): Set need_toc_init.
5051 (load_toc_aix_di): Likewise.
5053 2016-02-01 Jakub Jelinek <jakub@redhat.com>
5055 PR rtl-optimization/69592
5056 * rtlanal.c (nonzero_bits_binary_arith_p): New inline function.
5057 (cached_nonzero_bits): Use it instead of ARITHMETIC_P.
5058 (num_sign_bit_copies_binary_arith_p): New inline function.
5059 (cached_num_sign_bit_copies): Use it instead of ARITHMETIC_P.
5061 2016-02-01 Jeff Law <law@redhat.com>
5063 PR tree-optimization/69580
5064 * params.def (FSM_MAXIMUM_PHI_ARGUMENTS): New param.
5065 * tree-ssa-threadbackward.c
5066 (fsm_find_control_statement_thread_paths): Do not try to walk
5067 through large PHI nodes.
5069 2016-02-01 Jakub Jelinek <jakub@redhat.com>
5071 * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Return false
5072 when count is incremented above limit, don't analyze further
5075 * omp-low.c (oacc_parse_default_dims): Avoid
5076 -Wsign-compare warning, make sure value fits into int
5077 rather than just unsigned int.
5079 2016-02-01 Bin Cheng <bin.cheng@arm.com>
5081 PR tree-optimization/67921
5082 * fold-const.c (split_tree): New parameters. Convert pointer
5083 type variable part to proper type before negating.
5084 (fold_binary_loc): Pass new arguments to split_tree.
5086 2016-02-01 Nathan Sidwell <nathan@codesourcery.com>
5088 * config/nvptx/nvptx.c (PTX_GANG_DEFAULT): New.
5089 (nvptx_goacc_validate_dims): Extend to handle global defaults.
5090 * target.def (OACC_VALIDATE_DIMS): Extend documentation.
5091 * doc/tm.texti: Rebuilt.
5092 * doc/invoke.texi (fopenacc-dim): Document.
5093 * lto-wrapper.c (merge_and_complain): Add OPT_fopenacc_dim_ case.
5094 (append_compiler_options): Likewise.
5095 * omp-low.c (oacc_default_dims, oacc_min_dims): New.
5096 (oacc_parse_default_dims): New.
5097 (oacc_validate_dims): Add USED arg. Select non-unity default when
5099 (oacc_loop_fixed_partitions): Return mask of used partitions.
5100 (oacc_loop_auto_partitions): Emit dump info.
5101 (oacc_loop_partition): Return mask of used partitions.
5102 (execute_oacc_device_lower): Parse default dimension arg. Adjust
5103 loop partitioning and validation calls.
5105 2016-02-01 Richard Biener <rguenther@suse.de>
5108 * match.pd: Guard (C1/X)*C2 -> (C1*C2)/X with single_use.
5110 2016-02-01 Richard Biener <rguenther@suse.de>
5112 PR tree-optimization/69574
5113 * tree-chrec.c (hide_evolution_in_other_loops_than_loop): Instead
5114 of asserting return chrec_dont_know.
5116 2016-02-01 Martin Liska <mliska@suse.cz>
5118 * mem-stats-traits.h: Add copyright header.
5119 * mem-stats.h: Likewise.
5121 2016-02-01 Richard Biener <rguenther@suse.de>
5123 PR tree-optimization/69579
5124 * tree-ssa-loop-ivcanon.c (propagate_constants_for_unrolling):
5125 Do not propagate through abnormal PHI results.
5127 2016-02-01 Eric Botcazou <ebotcazou@adacore.com>
5129 * postreload.c (reload_cse_simplify): Remove dead code.
5131 2016-02-01 Jakub Jelinek <jakub@redhat.com>
5133 PR rtl-optimization/69570
5134 * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Return true only
5135 if there is more than one set, not if there is a single set.
5137 2016-02-01 Richard Henderson <rth@redhat.com>
5140 * combine.c (make_compound_operation): When looking through a
5141 subreg, make sure to re-extend to the width of the outer mode.
5143 2016-01-30 Jakub Jelinek <jakub@redhat.com>
5145 PR tree-optimization/69546
5146 * wide-int.cc (wi::divmod_internal): For unsigned division
5147 where both operands fit into uhwi, if o1 is 1 and o0 has
5148 msb set, if divident_prec is larger than bits per hwi,
5149 clear another quotient word and return 2 instead of 1.
5150 Similarly for remainder with msb in HWI set, if dividend_prec
5151 is larger than bits per hwi.
5153 2016-01-29 Martin Jambor <mjambor@suse.cz>
5155 * hsa-gen.c (get_memory_order_name): Mask with MEMMODEL_BASE_MASK.
5156 Use short lowercase names.
5157 (get_memory_order): Mask with MEMMODEL_BASE_MASK. Support
5158 MEMMODEL_CONSUME with acquire semantics and MEMMODEL_SEQ_CST with
5159 acq_rel one. Protect warning agains segfaults if
5160 get_memory_order_name returns NULL.
5161 (gen_hsa_ternary_atomic_for_builtin): Support with MEMMODEL_SEQ_CST
5162 with release semantics. Do not warn if get_memory_order already did.
5163 (gen_hsa_insns_for_call): Support with MEMMODEL_SEQ_CST with acquire
5164 semantics. Fix check for relaxed or acquire semantics. Do not warn
5165 if get_memory_order already did.
5167 2016-01-29 Sebastian Pop <s.pop@samsung.com>
5169 * doc/install.texi: Document that isl-0.16 is supported.
5171 2016-01-29 Vladimir Makarov <vmakarov@redhat.com>
5174 * config/i386/constraints.md (Bm): Describe as special memory
5176 * doc/md.texi (DEFINE_SPECIAL_MEMORY_CONSTRAINT): Describe it.
5177 * genoutput.c (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
5178 * genpreds.c (struct constraint_data): Add is_special_memory.
5179 (have_special_memory_constraints, special_memory_start): New
5181 (special_memory_end): Ditto.
5182 (add_constraint): Add new arg is_special_memory. Add code to
5183 process its true value. Update have_special_memory_constraints.
5184 (process_define_constraint): Pass the new arg.
5185 (process_define_register_constraint): Ditto.
5186 (choose_enum_order): Process special memory.
5187 (write_tm_preds_h): Generate enum const CT_SPECIAL_MEMORY and
5188 function insn_extra_special_memory_constraint.
5189 (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
5190 * gensupport.c (process_rtx): Process
5191 DEFINE_SPECIAL_MEMORY_CONSTRAINT.
5192 * ira-costs.c (record_reg_classes): Process CT_SPECIAL_MEMORY.
5193 * ira-lives.c (single_reg_class): Use
5194 insn_extra_special_memory_constraint.
5195 * ira.c (ira_setup_alts): Process CT_SPECIAL_MEMORY.
5196 * lra-constraints.c (process_alt_operands): Ditto.
5197 (curr_insn_transform): Use insn_extra_special_memory_constraint.
5198 * recog.c (asm_operand_ok, preprocess_constraints): Process
5200 * reload.c (find_reloads): Ditto.
5201 * rtl.def (DEFINE_SPECIFAL_MEMORY_CONSTRAINT): New.
5202 * stmt.c (parse_input_constraint): Use
5203 insn_extra_special_memory_constraint.
5205 2016-01-29 H.J. Lu <hongjiu.lu@intel.com>
5208 * lra-splill.c (lra_final_code_change): Revert r229087 by
5209 removing all sub-registers.
5211 2016-01-29 Steve Ellcey <sellcey@imgtec.com>
5214 * config/mips/mips.c (mips_output_division): Check flag_delayed_branch.
5216 2016-01-29 Jakub Jelinek <jakub@redhat.com>
5219 * config/i386/i386.c (ix86_expand_vector_set) <case V4SImode>: For
5220 SSE1, copy target into the temporary reg first before recursing
5223 2016-01-29 H.J. Lu <hongjiu.lu@intel.com>
5225 * config/i386/sse.md (sse2_cvtps2pd<mask_name>): Replace vBm
5228 2016-01-29 Jonathan Wakely <jwakely@redhat.com>
5230 * ginclude/stdarg.h: Test __cplusplus instead of
5231 __GXX_EXPERIMENTAL_CXX0X__.
5233 2016-01-29 Richard Biener <rguenther@suse.de>
5235 PR tree-optimization/69547
5236 * tree-ssa-dce.c (mark_aliased_reaching_defs_necessary_1):
5237 Do not mark clobbers necessary.
5238 (mark_all_reaching_defs_necessary_1): Likewise.
5240 2016-01-29 Dominik Vogt <vogt@linux.vnet.ibm.com>
5242 * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Format
5243 declaration name with %qs and print it in both error messages.
5244 Also fix indentation.
5246 2016-01-29 Dominik Vogt <vogt@linux.vnet.ibm.com>
5249 * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Remove
5250 trailing blank line from error message.
5252 2016-01-29 Jonathan Wakely <jwakely@redhat.com>
5255 * ginclude/float.h: Also provide FLT_EVAL_METHOD and DECIMAL_DIG
5258 2016-01-29 Richard Biener <rguenther@suse.de>
5261 * match.pd: Allow all integral types when simplifying a
5262 widening or sign-changing conversion.
5264 2016-01-28 Sebastian Pop <s.pop@samsung.com>
5266 * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Revert assert
5267 back to setting codegen_error to fail codegen.
5269 2016-01-28 Uros Bizjak <ubizjak@gmail.com>
5272 * config/i386/constraints.md (C): Only accept constant zero operand.
5273 (BC): New constraint.
5274 * config/i386/sse.md (*mov<mode>_internal): Use BC constraint
5275 instead of C constraint.
5276 * doc/md.texi (Machine Constraints): Update description
5279 2016-01-28 Steve Ellcey <sellcey@imgtec.com>
5282 * config/mips/mips.c (and_operands_ok): Add MIPS16 check.
5284 2016-01-28 Jakub Jelinek <jakub@redhat.com>
5287 * lra-remat.c (calculate_local_reg_remat_bb_data): Only consider
5290 2016-01-28 Pat Haugen <pthaugen@us.ibm.com>
5292 * config/rs6000/rs6000.c (output_cbranch): Don't statically predict
5293 branches if using guessed profile.
5295 2016-01-28 H.J. Lu <hongjiu.lu@intel.com>
5297 * graphite-optimize-isl.c (optimize_isl): Fix dump.
5299 2016-01-28 Richard Henderson <rth@redhat.com>
5302 * config/aarch64/aarch64-modes.def (CC_Cmode): New
5303 * config/aarch64/aarch64-protos.h: Update.
5304 * config/aarch64/aarch64.c (aarch64_zero_extend_const_eq): New.
5305 (aarch64_select_cc_mode): Add check for use of CC_Cmode.
5306 (aarch64_get_condition_code_1): Handle CC_Cmode.
5307 * config/aarch64/aarch64.md (addti3): Use adddi3_compareC.
5308 (*add<mode>3_compareC_cconly_imm): New.
5309 (*add<mode>3_compareC_cconly): New.
5310 (*add<mode>3_compareC_imm): New.
5311 (add<mode>3_compareC): New.
5312 (add<mode>3_carryin, *addsi3_carryin_uxtw): Sort compare operand
5313 to be first. Use aarch64_carry_operation.
5314 (*add<mode>3_carryin_alt1, *addsi3_carryin_alt1_uxtw): Remove.
5315 (*add<mode>3_carryin_alt2, *addsi3_carryin_alt2_uxtw): Remove.
5316 (*add<mode>3_carryin_alt3, *addsi3_carryin_alt3_uxtw): Remove.
5317 (subti3): Use subdi3_compare1.
5318 (*sub<mode>3_compare0): Rename from sub<mode>3_compare0.
5319 (sub<mode>3_compare1): New.
5320 (*sub<mode>3_carryin0, *subsi3_carryin_uxtw): New.
5321 (*sub<mode>3_carryin): Use aarch64_borrow_operation.
5322 (*subsi3_carryin_uxtw): Likewise.
5323 (*ngc<mode>, *ngcsi_uxtw): Likewise.
5324 (*sub<mode>3_carryin_alt, *subsi3_carryin_alt_uxtw): New.
5325 * config/aarch64/iterators.md (DWI): New.
5326 * config/aarch64/predicates.md (aarch64_carry_operation): New.
5327 (aarch64_borrow_operation): New.
5329 2016-01-28 Abderrazek Zaafrani <a.zaafrani@samsung.com>
5331 * graphite-optimize-isl.c (optimize_isl): Print a different debug
5332 message when isl does not return a valid schedule.
5334 2016-01-28 Sebastian Pop <s.pop@samsung.com>
5336 * graphite-isl-ast-to-gimple.c (class translate_isl_ast_to_gimple):
5337 Remove comments from class declarations: they are already in the code
5340 2016-01-28 Sebastian Pop <s.pop@samsung.com>
5342 * graphite-isl-ast-to-gimple.c (binary_op_to_tree): Call
5344 (ternary_op_to_tree): Same.
5345 (unary_op_to_tree): Same.
5346 (nary_op_to_tree): Same.
5347 (gcc_expression_from_isl_expr_op): Same.
5348 (gcc_expression_from_isl_expression): Same.
5349 (graphite_create_new_loop): Same.
5350 (graphite_create_new_loop_guard): Same.
5351 (build_iv_mapping): Same.
5352 (graphite_create_new_guard): Same.
5353 (translate_isl_ast_to_gimple::copy_loop_phi_nodes): Same.
5354 (translate_isl_ast_to_gimple::translate_pending_phi_nodes): Same.
5356 2016-01-28 Sebastian Pop <s.pop@samsung.com>
5358 * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Assert
5359 instead of setting codegen_error to fail codegen.
5361 2016-01-28 Jason Merrill <jason@redhat.com>
5363 * tree.h (BINFO_FLAG_0): Rename from BINFO_MARKED.
5365 2016-01-28 Wilco Dijkstra <wdijkstr@arm.com>
5367 * config/aarch64/aarch64.c (aarch64_if_then_else_costs):
5368 Remove CONST_INT_P check in CCMP cost calculation.
5370 2016-01-28 Wilco Dijkstra <wdijkstr@arm.com>
5372 * config/aarch64/aarch64.c (generic_vector_cost):
5373 Set vec_permute_cost.
5374 (cortexa57_vector_cost): Likewise.
5375 (exynosm1_vector_cost): Likewise.
5376 (xgene1_vector_cost): Likewise.
5377 (aarch64_builtin_vectorization_cost): Use vec_permute_cost.
5378 * config/aarch64/aarch64-protos.h (cpu_vector_cost):
5379 Add vec_permute_cost entry.
5381 2016-01-28 Wilco Dijkstra <wdijkstr@arm.com>
5383 * config/aarch64/aarch64.md (ccmp<mode>): Disassemble
5385 (add<mode>3_compare0): Likewise.
5386 (addsi3_compare0_uxtw): Likewise.
5387 (add<mode>3nr_compare0): Likewise.
5388 (compare_neg<mode>): Likewise.
5389 (<optab><mode>3): Likewise.
5391 2016-01-28 Ilya Enkovich <enkovich.gnu@gmail.com>
5393 * tree-vect-stmts.c (vectorizable_comparison): Add
5394 NULL check for vectype.
5396 2016-01-28 Richard Biener <rguenther@suse.de>
5398 PR tree-optimization/69466
5399 * tree-vect-loop-manip.c (slpeel_duplicate_current_defs_from_edges):
5400 Account for PHIs we couldn't duplicate.
5402 2016-01-28 Martin Liska <mliska@suse.cz>
5405 * ggc-common.c (gt_pch_save): Use ENABLE_VALGRIND_ANNOTATIONS macro
5406 instead of ENABLE_VALGRIND_CHECKING.
5408 2016-01-27 Richard Henderson <rth@redhat.com>
5411 * lra-remat.c (subreg_regs): New.
5412 (dump_candidates_and_remat_bb_data): Dump it.
5413 (operand_to_remat): Reject if operand in subreg_regs.
5414 (set_bb_regs): Collect subreg_regs.
5415 (lra_remat): Init and free subreg_regs. Compute
5416 calculate_local_reg_remat_bb_data before create_cands.
5418 2016-01-27 H.J. Lu <hongjiu.lu@intel.com>
5421 * config/i386/i386.c (ix86_update_stack_boundary): Don't
5422 change stack_alignment_needed for __tls_get_addr call.
5424 2016-01-27 Segher Boessenkool <segher@kernel.crashing.org>
5426 * config/rs6000/rs6000.c (print_operand): Rollback 's' removal.
5428 2016-01-27 Jeff Law <law@redhat.com>
5430 PR tree-optimization/68398
5431 PR tree-optimization/69196
5432 * params.def (PARAM_FSM_SCALE_PATH_STMTS): New parameter.
5433 (PARAM_FSM_SCALE_PATH_BLOCKS): Likewise.
5434 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
5435 Only count PHIs in the last block in the path. The others will
5436 const/copy propagate away. Add heuristic to allow more irreducible
5437 subloops to be created when it is likely profitable to do so.
5439 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
5440 Fix typo in comment. Use gsi_after_labels and remove the GIMPLE_LABEL
5441 check from within the loop. Use gsi_next_nondebug rather than gsi_next.
5443 2016-01-27 Jakub Jelinek <jakub@redhat.com>
5446 * sanitizer.def: Add BEGIN_SANITIZER_BUILTINS and
5447 END_SANITIZER_BUILTINS markers using DEF_BUILTIN_STUB.
5448 * asan.c (DEF_BUILTIN_STUB): Temporarily define.
5449 * tree-streamer-in.c: Include asan.h.
5450 (streamer_get_builtin_tree): For builtins in sanitizer
5451 range call initialize_sanitizer_builtins and retry.
5453 2016-01-27 Ian Lance Taylor <iant@google.com>
5455 * common.opt (fkeep-gc-roots-live): New undocumented option.
5456 * tree-ssa-loop-ivopts.c (add_candidate_1): If
5457 -fkeep-gc-roots-live, skip pointers.
5458 (add_iv_candidate_for_biv): Handle add_candidate_1 returning
5461 2016-01-27 Uros Bizjak <ubizjak@gmail.com>
5464 * config/i386/i386.md (*zext<mode>_doubleword_and): New pattern.
5465 (*zext<mode>_doubleword): Disable for TARGET_ZERO_EXTEND_WITH_AND.
5467 2016-01-27 Thomas Klausner <wiz@NetBSD.org>
5470 * configure.ac: NetBSD provides SSP in its C library.
5471 * configure: Updated.
5473 2016-01-27 Richard Biener <rguenther@suse.de>
5475 PR tree-optimization/69166
5476 * tree-vect-loop.c (vect_is_simple_reduction): Always check
5477 reduction code for commutativity / associativity.
5479 2016-01-27 Martin Jambor <mjambor@suse.cz>
5481 PR tree-optimization/69355
5482 * tree-sra.c (analyze_access_subtree): Correct hole detection when
5483 total_scalarization fails.
5485 2016-01-27 David Edelsohn <dje.gcc@gmail.com>
5487 * config/rs6000/driver-rs6000.c (detect_processor_aix): Add
5490 2016-01-27 Christian Bruel <christian.bruel@st.com>
5493 * config/arm/arm-c.c (arm_pragma_target_parse): Add comments.
5494 Move arm_reset_previous_fndecl and set_target_option_current_node in
5495 the conditional part. Call save_restore_target_globals.
5496 * config/arm/arm.c (arm_set_current_function):
5497 Refactor to better support #pragma target and attribute mix.
5498 Call save_restore_target_globals.
5499 * config/arm/arm-protos.h (save_restore_target_globals): New function.
5501 2016-01-27 Martin Liska <mliska@suse.cz>
5503 * hsa.c (hsa_summary_t::link_functions): Create IPA_REF_ADDR
5504 reference for an HSA kernel and its host function.
5506 2016-01-27 Jakub Jelinek <jakub@redhat.com>
5508 PR tree-optimization/69399
5509 * wide-int.h (wi::lrshift): For larger precisions, only
5510 use fast path if shift is known to be < HOST_BITS_PER_WIDE_INT.
5512 2016-01-27 Claudiu Zissulescu <claziss@synopsys.com>
5514 * config/arc/predicates.md (proper_comparison_operator): Reject
5515 constant-constant comparison.
5517 2016-01-26 Tom de Vries <tom@codesourcery.com>
5519 PR tree-optimization/69110
5520 * tree-data-ref.c (initialize_data_dependence_relation): Handle
5521 DR_NUM_DIMENSIONS == 0.
5523 2016-01-26 Abderrazek Zaafrani <a.zaafrani@samsung.com>
5524 Sebastian Pop <s.pop@samsung.com>
5526 * graphite-isl-ast-to-gimple.c (ternary_op_to_tree): Handle
5527 isl_ast_op_cond and isl_ast_op_select.
5528 (gcc_expression_from_isl_expr_op): Same.
5530 2016-01-26 Jason Merrill <jason@redhat.com>
5533 * tree.c (recompute_constructor_flags): Split out from
5535 (verify_constructor_flags): New.
5536 * tree.h: Declare them.
5538 2016-01-26 Iain Buclaw <ibuclaw@gdcproject.org>
5540 PR rtl-optimization/69217
5541 * var-tracking.c (tracked_record_parameter_p): Don't segfault if there
5542 are no TYPE_FIELDS set for the record type.
5544 2016-01-26 Jakub Jelinek <jakub@redhat.com>
5547 * config/rs6000/rs6000.c (rs6000_option_override_internal): Initialize
5548 toc_label_name unconditionally.
5549 (rs6000_emit_load_toc_table): Call ggc_strdup on toc_label_name for
5550 SYMBOL_REF string. Use toc_label_name instead of constructing
5552 (rs6000_elf_declare_function_name): Use toc_label_name instead of
5553 constructing LCTOC1.
5555 2016-01-26 Martin Sebor <msebor@redhat.com>
5558 * doc/extend.texi (Common Type Attributes): Move text that talks about
5559 attribute packed from attribute aligned to the section discussing
5560 the former attribute for clarity.
5562 2016-01-26 Richard Henderson <rth@redhat.com>
5565 * trans-mem.c (tm_region_init): Mark entry block as visited.
5567 2016-01-26 David Malcolm <dmalcolm@redhat.com>
5570 * diagnostic-show-locus.c (layout::print_source_line): Replace
5571 call to pp_newline with call to layout::print_newline.
5572 (layout::print_annotation_line): Likewise.
5573 (layout::move_to_column): Likewise.
5574 (layout::print_any_fixits): After printing any fixits, print a
5575 trailing newline, if necessary.
5576 (layout::print_newline): New method, resetting any colorization
5578 (diagnostic_show_locus): Move the pp_newline to before the
5579 early bailout. Remove dummy block enclosing the layout instance.
5580 * diagnostic.c (default_diagnostic_finalizer): Replace invocation
5581 of pp_newline_and_flush with pp_flush.
5582 (diagnostic_append_note): Delete use of pp_newline.
5583 (diagnostic_append_note_at_rich_loc): Delete.
5584 * diagnostic.h (diagnostic_append_note_at_rich_loc): Delete.
5585 * pretty-print.h (output_buffer_append_r): Reset buff->line_length
5586 when newline characters are added to the buffer.
5588 2016-01-26 Michael Matz <matz@suse.de>
5590 * configure.ac (ac_cv_std_swap_in_utility): New test.
5591 * system.h (<algorithm>): Check HAVE_SWAP_IN_UTILITY as well.
5592 * configure: Regenerate.
5593 * config.in: Regenerate.
5595 2016-01-26 Claudiu Zissulescu <claziss@synopsys.com>
5597 * config/arc/arc.md (cstoresi4): Force operand into register.
5598 (arcset<code>): Fix predicate.
5599 (arcsetltu): Likewise.
5600 (arcsetgeu): Likewise.
5601 (arcsethi): Likewise.
5602 (arcsetls): Likewise.
5604 2016-01-26 Jakub Jelinek <jakub@redhat.com>
5606 PR tree-optimization/69483
5607 * gimple-fold.c (canonicalize_constructor_val): Return NULL
5608 if base has error_mark_node type.
5610 2016-01-26 Christophe Lyon <christophe.lyon@linaro.org>
5613 * config/arm/arm.c (neon_valid_immediate): Handle FP16 vectors.
5614 * config/arm/arm_neon.h (__ARM_NUM_LANES, __arm_lane, arm_lanq):
5616 (vget_lane_f16): Handle big-endian.
5617 (vgetq_lane_f16): Likewise.
5618 (vset_lane_f16): Likewise.
5619 (vsetq_lane_f16): Likewise.
5620 * config/arm/iterators.md (VQXMOV): Add V8HF.
5621 (VDQ): Add V4HF and V8HF.
5622 (V_reg): Handle V4HF and V8HF.
5623 (Is_float_mode): Likewise.
5624 * config/arm/neon.md (movv4hf, movv8hf, neon_vdup_nv4hf,
5625 neon_vdup_nv8hf): New patterns.
5626 (vec_set<mode>_internal, vec_extract<mode>, neon_vld1_dup<mode>):
5627 Use VD_LANE iterator.
5628 (neon_vld1_dup<mode>): Use VQ2 iterator.
5630 2016-01-26 Nathan Sidwell <nathan@acm.org>
5632 * omp-low.h (oacc_fn_attrib_kernels_p): Declare.
5633 (set_oacc_fn_attrib): Add IS_KERNEL arg.
5634 * omp-low.c (set_oacc_fn_attrib): Add IS_KERNEL arg.
5635 (oacc_fn_attrib_kernels_p, oacc_fn_attrib_level): New.
5636 (expand_omp_target): Pass is_kernel to set_oacc_fn_attrib.
5637 (oacc_validate_dims): Add LEVEL arg, don't return level.
5638 (new_oacc_loop_routine): Use oacc_fn_attrib_level, not
5640 (execute_oacc_device_lower): Adjust, add more dump output.
5641 * tree-ssa-loop.c (gate_oacc_kernels): Use
5642 oacc_fn_attrib_kernels_p.
5643 * tree-parloops.c (create_parallel_loop): Adjust
5644 set_oacc_fn_attrib call.
5646 2016-01-26 Jakub Jelinek <jakub@redhat.com>
5649 * lto-wrapper.c (merge_and_complain): Handle -fcilkplus.
5650 (append_compiler_options): Handle -fcilkplus.
5651 (append_linker_options): Ignore -fno-{openmp,openacc,cilkplus}.
5653 2016-01-26 Nick Clifton <nickc@redhat.com>
5656 * config/i386/winnt.c (i386_pe_binds_local_p): If a function has
5657 been marked as DECL_ONE_ONLY but we do not the means to make it
5658 so, then do not allow it to bind locally.
5660 2016-01-26 Jakub Jelinek <jakub@redhat.com>
5663 * opts.h (parse_sanitizer_options): New prototype.
5664 * opts.c (sanitizer_opts): New array.
5665 (parse_sanitizer_options): New function.
5666 (common_handle_option): Use parse_sanitizer_options.
5668 2016-01-26 H.J. Lu <hongjiu.lu@intel.com>
5671 * config/i386/i386.c (ix86_compute_frame_layout): Move stack
5672 alignment adjustment to ...
5673 (ix86_update_stack_boundary): Here. Don't over-align stack for
5675 (ix86_finalize_stack_realign_flags): Use stack_alignment_needed
5676 if __tls_get_addr is called.
5678 2016-01-26 Christian Bruel <christian.bruel@st.com>
5680 * doc/sourcebuild.texi (arm_crypto_pragma_ok): Remove.
5682 2016-01-26 Eric Botcazou <ebotcazou@adacore.com>
5684 * config/ia64/ia64.c (ia64_expand_vecint_compare): Use gen_int_mode.
5686 2016-01-26 Richard Biener <rguenther@suse.de>
5689 * match.pd: Guard X * CST CMP 0 pattern with single_use.
5691 2016-01-26 Richard Biener <rguenther@suse.de>
5693 PR tree-optimization/69452
5694 * tree-ssa-loop-im.c (move_computations_dom_walker): Remove.
5695 (move_computations_dom_walker::before_dom_children): Rename
5697 (move_computations_worker): This.
5698 (move_computations): Perform an RPO rather than a DOM walk.
5700 2016-01-26 Jakub Jelinek <jakub@redhat.com>
5703 * combine.c (combine_instructions): For REG_EQUAL note with
5704 SET_DEST being ZERO_EXTRACT, also temporarily set SET_DEST
5705 to the underlying register.
5706 * doc/rtl.texi (REG_EQUAL): Document the behavior of
5707 REG_EQUAL/REG_EQUIV notes if SET_DEST is ZERO_EXTRACT.
5709 2016-01-26 Roger Ferrer Ibáñez <rofirrim@gmail.com>
5712 * config/aarch64/aarch64-builtins.c
5713 (aarch64_init_simd_builtin_types): Do not set structural
5714 equality to __Poly{8,16,64,128}_t types.
5716 2016-01-26 Richard Sandiford <richard.sandiford@arm.com>
5718 PR tree-optimization/69400
5719 * wide-int.cc (wi_pack): Take the precision as argument and
5720 perform canonicalization here rather than in the callers.
5721 Use the main loop to handle all full-width HWIs. Add a
5722 zero HWI if in_len isn't a full result.
5723 (wi::divmod_internal): Update accordingly.
5724 (wi::mul_internal): Likewise. Simplify.
5726 2016-01-25 Aditya Kumar <aditya.k7@samsung.com>
5727 Sebastian Pop <s.pop@samsung.com>
5729 * graphite-poly.c (apply_poly_transforms): Simplify.
5730 (print_isl_set): Use more readable format: ISL_YAML_STYLE_BLOCK.
5731 (print_isl_map): Same.
5732 (print_isl_union_map): Same.
5733 (print_isl_schedule): New.
5734 (debug_isl_schedule): New.
5735 * graphite-dependences.c (scop_get_reads): Do not call
5736 isl_union_map_add_map that is undocumented isl functionality.
5737 (scop_get_must_writes): Same.
5738 (scop_get_may_writes): Same.
5739 (scop_get_original_schedule): Remove.
5740 (scop_get_dependences): Do not call isl_union_map_compute_flow that
5741 is deprecated in isl 0.15. Instead, use isl_union_access_* interface.
5742 (compute_deps): Remove.
5743 * graphite-isl-ast-to-gimple.c (print_schedule_ast): New.
5744 (debug_schedule_ast): New.
5745 (translate_isl_ast_to_gimple::scop_to_isl_ast): Call
5746 set_separate_option.
5747 (graphite_regenerate_ast_isl): Add dump.
5748 (translate_isl_ast_to_gimple::scop_to_isl_ast): Generate code
5749 from scop->transformed_schedule.
5750 (graphite_regenerate_ast_isl): Add more dump.
5751 * graphite-optimize-isl.c (optimize_isl): Set
5752 scop->transformed_schedule. Check whether schedules are equal.
5753 (apply_poly_transforms): Move here.
5754 * graphite-poly.c (apply_poly_transforms): ... from here.
5755 (free_poly_bb): Static.
5756 (free_scop): Static.
5757 (pbb_number_of_iterations_at_time): Remove.
5758 (print_isl_ast): New.
5759 (debug_isl_ast): New.
5760 (debug_scop_pbb): New.
5761 * graphite-scop-detection.c (print_edge): Move.
5763 * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Remove.
5764 (build_scop_scattering): Remove.
5765 (create_pw_aff_from_tree): Assert instead of bailing out.
5766 (add_condition_to_pbb): Remove unused code, do not fail.
5767 (add_conditions_to_domain): Same.
5768 (add_conditions_to_constraints): Remove.
5769 (build_scop_context): New.
5770 (add_iter_domain_dimension): New.
5771 (build_iteration_domains): Initialize pbb->iterators.
5772 Call add_conditions_to_domain.
5775 (index_outermost_in_loop): New.
5776 (index_pbb_in_loop): New.
5777 (outermost_pbb_in): New.
5778 (add_in_sequence): New.
5779 (add_outer_projection): New.
5780 (outer_projection_mupa): New.
5781 (add_loop_schedule): New.
5782 (build_schedule_pbb): New.
5783 (build_schedule_loop): New.
5784 (embed_in_surrounding_loops): New.
5785 (build_schedule_loop_nest): New.
5786 (build_original_schedule): New.
5787 (build_poly_scop): Call build_original_schedule.
5788 * graphite.h: Declare print_isl_schedule and debug_isl_schedule.
5789 (free_poly_dr): Remove.
5790 (struct poly_bb): Add iterators. Remove schedule, transformed, saved.
5791 (free_poly_bb): Remove.
5792 (debug_loop_vec): Remove.
5793 (print_isl_ast): Declare.
5794 (debug_isl_ast): Declare.
5795 (scop_do_interchange): Remove.
5796 (scop_do_strip_mine): Remove.
5797 (scop_do_block): Remove.
5798 (flatten_all_loops): Remove.
5799 (optimize_isl): Remove.
5800 (pbb_number_of_iterations_at_time): Remove.
5801 (debug_scop_pbb): Declare.
5802 (print_schedule_ast): Declare.
5803 (debug_schedule_ast): Declare.
5804 (struct scop): Remove schedule. Add original_schedule,
5805 transformed_schedule.
5806 (free_gimple_poly_bb): Remove.
5807 (print_generated_program): Remove.
5808 (debug_generated_program): Remove.
5809 (unify_scattering_dimensions): Remove.
5810 * sese.c (print_edge): ... here.
5811 (print_sese): ... here.
5812 (debug_edge): ... here.
5813 (debug_sese): ... here.
5814 * sese.h (print_edge): Declare.
5815 (print_sese): Declare.
5816 (dump_edge): Declare.
5817 (dump_sese): Declare.
5819 2016-01-25 Aditya Kumar <aditya.k7@samsung.com>
5820 Sebastian Pop <s.pop@samsung.com>
5822 * Makefile.in: Set ISLVER in site.exp.
5824 2016-01-25 Jakub Jelinek <jakub@redhat.com>
5826 * omp-low.c (lower_omp_target) <case USE_DEVICE_PTR>: Set
5827 DECL_VALUE_EXPR of new_var even for the non-array case. Look
5828 through DECL_VALUE_EXPR for expansion.
5830 2016-01-25 Bernd Edlinger <bernd.edlinger@hotmail.de>
5832 * config/mips/mips.c (mips_compute_frame_info): Skip re-computing
5833 the frame info after reload completed.
5835 2016-01-25 Jeff Law <law@redhat.com>
5837 PR tree-optimization/69196
5838 PR tree-optimization/68398
5839 * tree-ssa-threadupdate.h (enum bb_dom_status): Moved here from
5840 tree-ssa-threadupdate.c.
5841 (determine_bb_domination_status): Prototype
5842 * tree-ssa-threadupdate.c (enum bb_dom_status): Remove
5843 (determine_bb_domination_status): No longer static.
5844 (valid_jump_thread_path): Remove code to detect characteristics
5845 of the jump thread path not associated with correctness.
5846 * tree-ssa-threadbackward.c (fsm_find_control_statment_thread_paths):
5847 Correct test for thread path length. Count PHIs for real operands as
5848 statements that need to be copied. Do not count ASSERT_EXPRs.
5849 Look at all the blocks in the thread path. Compute and selectively
5850 filter thread paths based on threading through the latch, threading
5851 a multiway branch or crossing a multiway branch.
5853 2016-01-25 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
5855 * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled): Add
5856 decl with __attribute__ ((unused)) annotation.
5858 2016-01-25 Ilya Enkovich <enkovich.gnu@gmail.com>
5861 * tree-vect-stmts.c (vectorizable_condition): Check vectype
5862 of operands is compatible with a statement vectype.
5864 2016-01-25 Eric Botcazou <ebotcazou@adacore.com>
5866 * doc/extend.texi (scalar_storage_order type attribute): Fix typo and
5867 improve wording for mixed storage order support.
5869 2016-01-25 Bilyan Borisov <bilyan.borisov@arm.com>
5871 * config/aarch64/arm_neon.h (vcvt_s64_f64): New intrinsic.
5872 (vcvt_u64_f64): Likewise.
5873 (vcvta_s64_f64): Likewise.
5874 (vcvta_u64_f64): Likewise.
5875 (vcvtm_s64_f64): Likewise.
5876 (vcvtm_u64_f64): Likewise.
5877 (vcvtn_s64_f64): Likewise.
5878 (vcvtn_u64_f64): Likewise.
5879 (vcvtp_s64_f64): Likewise.
5880 (vcvtp_u64_f64): Likewise.
5882 2016-01-25 Claudiu Zissulescu <claziss@synopsys.com>
5884 * config/arc/arc.c (TARGET_DWARF_REGISTER_SPAN): Define.
5885 (arc_init): Check validity mll64 option.
5886 (arc_save_restore): Use double load/store instruction.
5887 (arc_expand_movmem): Likewise.
5888 (arc_split_move): Don't split if we have double load/store
5889 instructions. Returns a boolean.
5890 (arc_process_double_reg_moves): Change function to return boolean
5891 instead of a sequence of instructions.
5892 (arc_dwarf_register_span): New function.
5893 * config/arc/arc-protos.h (arc_split_move): Change prototype.
5894 * config/arc/arc.h (TARGET_CPU_CPP_BUILTINS): Define __ARC_LL64__.
5895 * config/arc/arc.md (*movdi_insn): Emit ldd/std instructions.
5896 (*movdf_insn): Likewise.
5897 * config/arc/arc.opt (mll64): New option.
5898 * config/arc/predicates.md (even_register_operand): New predicate.
5899 * doc/invoke.texi (ARC Options): Add mll64 documentation.
5901 2016-01-25 Richard Biener <rguenther@suse.de>
5904 * dwarf2out.c (is_naming_typedef_decl): Not when DECL_NAMELESS.
5905 * tree-streamer-out.c (pack_ts_base_value_fields): Stream
5907 * tree-streamer-in.c (unpack_ts_base_value_fields): Likewise.
5909 2016-01-25 Richard Biener <rguenther@suse.de>
5911 PR tree-optimization/69376
5912 * tree-ssa-sccvn.h (struct vn_ssa_aux): Add range_info_anti_range_p
5914 (VN_INFO_ANTI_RANGE_P): New inline.
5915 (VN_INFO_RANGE_TYPE): Likewise.
5916 * tree-ssa-sccvn.c (set_ssa_val_to): Also record and copy
5917 SSA_NAME_ANTI_RANGE_P.
5918 (free_scc_vn): Restore SSA_NAME_ANTI_RANGE_P.
5919 * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
5920 Properly query VN_INFO_RANGE_TYPE.
5922 2016-01-25 Nick Clifton <nickc@redhat.com>
5925 * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Remove definition.
5927 2016-01-23 Tom de Vries <tom@codesourcery.com>
5929 PR tree-optimization/69426
5930 * tree-parloops.c (eliminate_local_variables_stmt): Handle vdef of
5933 2016-01-23 Jakub Jelinek <jakub@redhat.com>
5935 * tree-ssanames.c (release_free_names_and_compact_live_names): Replace
5936 "the the" with "the" in the comments.
5937 * ipa-devirt.c (build_type_inheritance_graph,
5938 update_type_inheritance_graph): Likewise.
5939 * tree.c (build_function_type_list_1): Likewise.
5940 * cfgloopmanip.c (scale_loop_profile): Likewise.
5941 * tree-ssa-loop-ivopts.c (get_shiftadd_cost): Likewise.
5942 * gimple-ssa-split-paths.c
5943 (find_block_to_duplicate_for_splitting_paths): Likewise.
5944 * tree-sra.c (init_subtree_with_zero, clobber_subtree): Likewise.
5945 * expr.c (convert_move): Likewise.
5946 * var-tracking.c (vt_stack_adjustments): Likewise.
5947 * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Likewise.
5948 * tree-vrp.c (test_for_singularity): Likewise.
5950 * tree-vect-stmts.c (vectorizable_condition): Build a VEC_COND_EXPR
5951 directly instead of building a temporary tree.
5954 * genrecog.c: Define INCLUDE_ALGORITHM before including system.h,
5955 remove <algorithm> include.
5957 2016-01-22 Jakub Jelinek <jakub@redhat.com>
5960 * config/i386/i386.c: Include dojump.h.
5961 (expand_small_movmem_or_setmem,
5962 expand_set_or_movmem_prologue_epilogue_by_misaligned_moves): Spelling
5964 (ix86_expand_set_or_movmem): Call do_pending_stack_adjust () early
5965 if dynamic_check != -1.
5967 2016-01-21 Jeff Law <law@redhat.com>
5970 * tree-ssa-dom.c (back_propagate_equivalences): Factored out of
5971 record_temporary_equivalences. Rewritten to avoid unnecessary calls
5972 into dominated_by_p.
5973 (cprop_into_successor_phis): Avoid unnecessary tests.
5975 2016-01-22 Richard Henderson <rth@redhat.com>
5978 * config/aarch64/aarch64.md (UNSPEC_NZCV): New.
5979 (ccmp<mode>, fccmp<mode>, fccmpe<mode>): Use it.
5981 2016-01-22 Michael Matz <matz@suse.de>
5983 * system.h (string, algorithm): Include only conditionally.
5984 (new): Include always under C++.
5985 * bb-reorder.c (toplevel): Define INCLUDE_ALGORITHM.
5986 * final.c (toplevel): Ditto.
5987 * ipa-chkp.c (toplevel): Define INCLUDE_STRING.
5988 * genconditions.c (write_header): Make gencondmd.c define
5990 * mem-stats.h (mem_usage::print_dash_line): Don't use std::string.
5992 * config/aarch64/aarch64.c (toplevel): Define INCLUDE_STRING.
5993 * common/config/aarch64/aarch64-common.c (toplevel): Ditto.
5995 2016-01-22 Christian Bruel <christian.bruel@st.com>
5998 * expr.c (expand_expr_real_1): Reset DECL_MODE if VECTOR_TYPE_P changed.
6000 2016-01-22 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
6003 * config/arm/thumb2.md (*thumb2_ior_scc_strict_it): Convert to
6004 define_insn_and_split. Ensure operands[1] and operands[0] do not
6005 get assigned the same register.
6007 2016-01-22 Kugan Vivekanandarajah <kuganv@linaro.org>
6009 * ipa-prop.c (ipa_set_jf_constant): Remove redundant unshare_expr.
6011 2016-01-22 Christian Bruel <christian.bruel@st.com>
6013 * config/arm/arm-c.c (arm_pragma_target_parse):
6014 Remove warn_builtin_macro_redefined overwrite.
6016 2016-01-22 Eric Botcazou <ebotcazou@adacore.com>
6018 * ipa-inline.c (can_inline_edge_p): Back out overzealous check on
6019 flag_non_call_exceptions compatibility.
6021 2016-01-22 Jakub Jelinek <jakub@redhat.com>
6024 * dwarf2out.c (add_child_die_after): New function.
6025 (dwarf_qual_info_t): New type.
6026 (dwarf_qual_info): New variable.
6027 (qualified_die_p): New function.
6028 (modified_type_die): For -fdebug-types-section, ensure
6029 canonical order of qualifiers. Put qualified DIEs adjacent
6030 to the corresponding non-qualified type DIE and search there
6031 for existing qualified DIEs.
6033 2016-01-22 Eric Botcazou <ebotcazou@adacore.com>
6035 * doc/extend.texi (scalar_storage_order type attribute): Document
6036 restriction on type punning and aliasing, and remove future tense.
6038 2016-01-21 Roman Zhuykov <zhroma@ispras.ru>
6041 * modulo-sched.c (optimize_sc): Allow branch-scheduling to add a new
6044 2016-01-21 Jeff Law <law@redhat.com>
6047 * tree-ssa-dom.c (dom_opt_dom_walker::thread_across_edge): Avoid
6048 useless call to record_temporary_equivalences.
6049 * tree-ssa-threadbackward.c (find_jump_threads_backwards): Just
6050 allocate 10 slots in the bb_path vector and let it grow as needed.
6051 (fsm_find_control_statement_thread_paths): Similarly for the next_path
6054 2016-01-21 David Edelsohn <dje.gcc@gmail.com>
6056 * configure.ac (gcc_cv_as_powerpc_mfcrf, gcc_cv_as_machine_directive):
6058 * configure: Regenerate.
6060 2016-01-21 Pat Haugen <pthaugen@us.ibm.com>
6062 * config/rs6000/aix71.h (ASM_CPU_SPEC): Add entry for Power9.
6063 * config/rs6000/driver-rs6000.c (struct asm_names): Likewise.
6065 2016-01-21 Bernd Schmidt <bschmidt@redhat.com>
6068 * expr.c (expand_expr_real_2) [PLUS_EXPR, MINUS_EXPR]: Don't
6069 drop EXPAND_INITIALIZER.
6070 * rtl.h (contains_symbolic_reference_p): Declare.
6071 * rtlanal.c (contains_symbolic_reference_p): New function.
6072 * simplify-rtx.c (simplify_binary_operation_1): Don't turn
6073 a subtraction into a NOT if symbolic constants are involved.
6075 2016-01-21 Anton Blanchard <anton@samba.org>
6076 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
6079 * config/rs6000/linux64.h (TARGET_KEEP_LEAF_WHEN_PROFILED): New
6081 * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled): New
6084 2016-01-21 Ajit Agarwal <ajitkum@xilinx.com>
6086 * config/microblaze/microblaze.c
6087 (get_branch_target): New.
6088 (insert_wic_for_ilb_runout): New.
6090 (microblaze_machine_dependent_reorg): New.
6091 (TARGET_MACHINE_DEPENDENT_REORG): Define macro.
6092 * config/microblaze/microblaze.md
6093 (UNSPEC_IPREFETCH): Define.
6094 (iprefetch): New pattern
6095 * config/microblaze/microblaze.opt
6096 (mxl-prefetch): New flag.
6098 2016-01-21 Ajit Agarwal <ajitkum@xilinx.com>
6100 * config/microblaze/microblaze.h
6101 (FIXED_REGISTERS): Update in macro.
6102 (CALL_USED_REGISTERS): Update in macro.
6104 2016-01-21 Yuri Rumyantsev <ysrumyan@gmail.com>
6106 PR rtl-optimization/68920
6107 * ifcvt.c (cond_move_process_if_block): Limit number of conditional
6110 2016-01-21 Vladimir Makarov <vmakarov@redhat.com>
6112 PR rtl-optimization/68990
6113 * lra-coalesce.c (lra_coalesce): Invalidate value for the result
6114 pseudo instead of inheritance ones.
6116 2016-01-21 Bernd Edlinger <bernd.edlinger@hotmail.de>
6117 Nick Clifton <nickc@redhat.com>
6121 * config/mips/mips.c (mips_compute_frame_info): Initialise
6122 args_size and hard_frame_pointer_offset fields of the frame
6123 structure before calling mips_global_pointer.
6125 2016-01-21 David Edelsohn <dje.gcc@gmail.com>
6127 * configure.ac (gcc_cv_as_dwloc): Test support for debug frame section
6129 * configure: Regenerate.
6131 2016-01-21 Richard Biener <rguenther@suse.de>
6133 * graphite-optimize-isl.c (get_schedule_map): Fix typo.
6135 2016-01-21 Marcin Kościelnicki <koriakin@0x04.net>
6137 * config/s390/s390.c (s390_asm_declare_function_size): Add code
6138 to actually emit the .size directive.
6140 2016-01-21 Stefan Sørensen <stefan.sorensen@spectralink.com>
6141 Jakub Jelinek <jakub@redhat.com>
6145 * config/arm/arm-builtins.c (arm_expand_neon_builtin): Increase
6146 args array size by one to avoid buffer overflow.
6148 2016-01-21 Marcin Kościelnicki <koriakin@0x04.net>
6150 * config/s390/s390.md (pool_section_start): Use switch_to_section
6151 to select proper read-only data section instead of hardcoding
6153 (pool_section_end): Use switch_to_section to match the above.
6155 2016-01-21 Richard Biener <rguenther@suse.de>
6157 PR tree-optimization/69378
6158 * tree-ssa-sccvn.c (dominated_by_p_w_unex): New function.
6159 (set_ssa_val_to): Use it for dominance checks taking into
6160 account not executable edges.
6162 2016-01-21 Jakub Jelinek <jakub@redhat.com>
6165 * tree-dfa.c (get_ref_base_and_extent): Use GET_MODE_BITSIZE (mode)
6166 for bitsize instead of GET_MODE_PRECISION (mode).
6168 2016-01-20 Martin Sebor <msebor@redhat.com>
6171 * extend.texi (__sync Builtins): Clarify the semantics of
6172 __sync_fetch_and_OP built-ins on pointers.
6173 (__atomic Builtins): Same.
6175 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
6176 Sebastian Pop <s.pop@samsung.com>
6178 * graphite-isl-ast-to-gimple.c (enum phi_node_kind): New.
6179 (class translate_isl_ast_to_gimple): Use phi_node_kind instead of bool.
6180 (is_valid_rename): Same.
6181 (translate_isl_ast_to_gimple::get_rename): Same.
6182 (translate_isl_ast_to_gimple::rename_all_uses): Same.
6183 (translate_isl_ast_to_gimple::rename_uses): Same.
6184 (get_new_name): Check for close_phi nodes.
6185 (copy_loop_phi_args): Use phi_node_kind.
6186 (translate_isl_ast_to_gimple::copy_loop_close_phi_args): Same.
6187 (translate_isl_ast_to_gimple::copy_cond_phi_args): Same.
6189 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
6190 Sebastian Pop <s.pop@samsung.com>
6192 Revert commit r229783.
6193 * graphite-isl-ast-to-gimple.c (gcc_expression_from_isl_ast_expr_id):
6194 Remove use of parameter_rename_map.
6196 (copy_internal_parameters): Remove.
6197 (graphite_regenerate_ast_isl): Remove call to copy_internal_parameters.
6198 * sese.c (new_sese_info): Do not initialize parameter_rename_map.
6199 (free_sese_info): Do not free parameter_rename_map.
6200 (set_rename): Do not use parameter_rename_map.
6201 (rename_uses): Update call to set_rename.
6202 (graphite_copy_stmts_from_block): Do not use parameter_rename_map.
6203 * sese.h (parameter_rename_map_t): Remove.
6204 (struct sese_info_t): Remove field parameter_rename_map.
6206 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
6207 Sebastian Pop <s.pop@samsung.com>
6209 * graphite-isl-ast-to-gimple.c: Fix comment.
6210 * graphite-scop-detection.c (defined_in_loop_p): New.
6211 (canonicalize_loop_closed_ssa): Do not add close phi nodes for SSA
6212 names defined in loop.
6214 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
6215 Sebastian Pop <s.pop@samsung.com>
6217 * graphite-scop-detection.c (scop_detection::harmful_loop_in_region):
6218 Discard unstructured if-then-else regions.
6220 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
6221 Sebastian Pop <s.pop@samsung.com>
6223 * graphite-sese-to-poly.c (set_scop_parameter_dim): Remove.
6224 (cleanup_loop_iter_dom): Remove.
6225 (build_loop_iteration_domains): Remove.
6226 (build_scop_context): Remove.
6227 (build_scop_iteration_domain): Remove.
6228 (add_loop_constraints): New.
6229 (build_iteration_domains): New.
6230 (build_poly_scop): Call build_iteration_domains.
6232 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
6233 Sebastian Pop <s.pop@samsung.com>
6235 * graphite-scop-detection.c
6236 (scop_detection::harmful_loop_in_region): Free dom and loops.
6237 (scop_detection::loop_body_is_valid_scop): Free bbs.
6239 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
6240 Sebastian Pop <s.pop@samsung.com>
6242 * graphite-scop-detection.c (record_loop_in_sese): New.
6243 (gather_bbs::before_dom_children): Call record_loop_in_sese.
6244 (build_scops): Remove call to build_sese_loop_nests.
6245 * sese.c (sese_record_loop): Remove.
6246 (build_sese_loop_nests): Remove.
6247 (new_sese_info): Remove region->loops.
6248 (free_sese_info): Same.
6249 * sese.h (sese_contains_loop): Same.
6250 (build_sese_loop_nests): Remove.
6251 (sese_contains_loop): Remove.
6253 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
6254 Sebastian Pop <s.pop@samsung.com>
6256 * graphite-scop-detection.c (loop_is_valid_scop): Renamed
6257 loop_is_valid_in_scop.
6258 (scop_detection::harmful_stmt_in_region): Renamed
6259 harmful_loop_in_region.
6260 Call loop_is_valid_in_scop.
6262 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
6263 Sebastian Pop <s.pop@samsung.com>
6265 * graphite-isl-ast-to-gimple.c (translate_isl_ast): Also handle
6268 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
6269 Sebastian Pop <s.pop@samsung.com>
6271 * graphite-poly.c (new_poly_bb): Remove use of PBB_IS_REDUCTION.
6272 * graphite.h (struct poly_bb): Remove field is_reduction.
6273 (PBB_IS_REDUCTION): Remove.
6275 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
6276 Sebastian Pop <s.pop@samsung.com>
6278 * graphite-dependences.c (constrain_domain): Add call to isl_*_coalesce.
6279 (add_pdr_constraints): Same.
6280 (scop_get_reads): Same.
6281 (scop_get_must_writes): Same.
6282 (scop_get_may_writes): Same.
6283 (scop_get_original_schedule): Same.
6284 (extend_schedule): Same.
6285 (apply_schedule_on_deps): Same.
6286 (carries_deps): Same.
6287 (compute_deps): Same.
6288 (scop_get_dependences): Same.
6289 * graphite-isl-ast-to-gimple.c
6290 (translate_isl_ast_to_gimple::generate_isl_schedule): Same.
6291 * graphite-optimize-isl.c (get_schedule_for_band): Same.
6292 (get_schedule_for_band_list): Same.
6293 (get_schedule_map): Same.
6294 (apply_schedule_map_to_scop): Same.
6295 * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
6296 (build_loop_iteration_domains): Same.
6297 (add_condition_to_pbb): Same.
6298 (add_param_constraints): Same.
6299 (pdr_add_memory_accesses): Same.
6300 (pdr_add_data_dimensions): Same.
6302 2016-01-20 Sandra Loosemore <sandra@codesourcery.com>
6304 * doc/invoke.texi (Instrumentation Options): Clarify -mmpx linking
6307 2016-01-20 Sandra Loosemore <sandra@codesourcery.com>
6309 * common.opt (feliminate-dwarf2-dups): Replace references to
6310 "DWARF 2" with just "DWARF".
6311 * config/ia64/ia64.opt (mdwarf2-asm): Likewise.
6312 * doc/extend.texi: Likewise.
6313 * doc/cpp.texi: Likewise.
6314 * doc/invoke.texi: Likewise.
6315 (Option Summary): Add -gdwarf to list of Debugging Options.
6316 (Debugging Options): Document -gdwarf.
6317 * doc/contrib.texi: Spell "DWARF" like that.
6319 2016-01-21 Jakub Jelinek <jakub@redhat.com>
6321 * omp-low.c (expand_omp_target): Avoid -Wmaybe-uninitialized
6322 warning. Fix up formatting.
6325 * gimplify.c (gimplify_asm_expr): Warn if it is too late to
6326 attempt to mark memory input operand addressable and
6327 call prepare_gimple_addressable in that case. Don't adjust
6328 input_location for diagnostics, use error_at instead.
6330 2016-01-20 Peter Bergner <bergner@vnet.ibm.com>
6332 * config/rs6000/ppc-auxv.h: New file.
6333 * config/rs6000/rs6000-builtin.def (cpu_init): Add new builtin.
6335 (cpu_supports): Likewise.
6336 * config/rs6000/rs6000.c: include "ppc-auxv.h".
6337 (cpu_is_info): New variable.
6338 (cpu_supports_info): Likewise.
6339 (tcb_verification_symbol): Likewise.
6340 (cpu_builtin_p): Likewise.
6341 (cpu_expand_builtin): New function.
6342 (rs6000_expand_ternop_builtin): Add support for CPU builtin functions.
6343 (rs6000_init_builtins): Likewise.
6344 (rs6000_elf_file_end): Emit HWCAP in TCB verification symbol.
6345 * config/rs6000/rs6000.h (TLS_REGNUM): New define.
6346 * configure.ac (gcc_cv_libc_provides_hwcap_in_tcb): New test.
6347 * configure: Regenerate.
6348 * config.in: Likewise.
6349 * doc/extend.texi (PowerPC Built-in Functions): Document
6350 __builtin_cpu_init, __builtin_cpu_is and __builtin_cpu_supports.
6352 2016-01-20 David Edelsohn <dje.gcc@gmail.com>
6355 * config/rs6000/rs6000.c (rs6000_emit_swsqrt): Add vector sqrt
6357 * config/rs6000/vector.md (sqrt<mode>2): Call rs6000_emit_swsqrt
6360 2016-01-20 Richard Henderson <rth@redhat.com>
6366 * tree.c (tm_define_builtin): New.
6367 (find_tm_vector_type): New.
6368 (build_tm_vector_builtins): New.
6369 (build_common_builtin_nodes): Call it.
6371 2016-01-20 Christophe Lyon <christophe.lyon@linaro.org>
6373 * doc/sourcebuild.texi (arm_crypto_pragma_ok): Document new entry.
6374 (arm_fp_ok): Likewise.
6376 (arm_crypto): Likewise.
6378 2016-01-20 Ilya Enkovich <enkovich.gnu@gmail.com>
6379 Richard Biener <rguenther@suse.de>
6381 PR tree-optimization/69328
6382 * tree-vect-stmts.c (vect_is_simple_cond): Check compared
6383 vectors have same number of elements.
6384 (vectorizable_condition): Fix masked version recognition.
6386 2016-01-20 Richard Biener <rguenther@suse.de>
6388 PR tree-optimization/69345
6389 * tree-ssa-sccvn.h (VN_INFO_RANGE_INFO): New inline function.
6390 (VN_INFO_PTR_INFO): Likewise.
6391 * tree-ssa-sccvn.c (set_ssa_val_to): Avoid clearing points-to
6392 info when it is equal between non-dominating SSA names.
6393 * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
6394 Make sure to look at original SSA infos.
6396 2016-01-20 Jeff Law <law@redhat.com>
6399 * config/m68k/predicates.md (pow2_m1_operand): New predicate
6401 (reg_or_pow2_m1_operand): Call pow2_m1_operand.
6402 (pc_or_label_operand): New predicate.
6403 * config/m68k/m68k.md: Add new peephole2 patterns for GTU/LEU
6404 tests for small integers that are 2^n - 1.
6406 2016-01-20 Jonathan Wakely <jwakely@redhat.com>
6408 * doc/invoke.texi (Options Summary): Add '.' after @xref.
6410 2016-01-19 Jeff Law <law@redhat.com>
6413 * tree-ssa-threadbackwards.c
6414 (fsm_find_control_statement_thread_paths): Do not try to lookup
6415 FSM paths for SSA_NAMEs appearing in abnormal PHIs.
6417 2016-01-20 Kugan Vivekanandarajah <kuganv@linaro.org>
6419 * doc/lto.texi: Remove text that says only Gold has linker plugin
6422 2016-01-19 Eric Botcazou <ebotcazou@adacore.com>
6424 * dwarf2out.c (need_endianity_attribute_p): New inline predicate.
6425 (base_type_die): Add REVERSE parameter and attach DW_AT_endianity to
6426 the DIE accordingly.
6427 (modified_type_die): Add REVERSE parameter and pass it recursively,
6428 as well as to base_type_die. Adjust presence check accordingly.
6429 (base_type_for_mode): Adjust call to modified_type_die.
6430 (add_type_attribute): Add REVERSE parameter and pass it to
6432 (generic_parameter_die): Adjust call to add_type_attribute.
6433 (add_scalar_info): Likewise.
6434 (add_subscript_info): Likewise.
6435 (gen_array_type_die): Likewise.
6436 (gen_descr_array_type_die): Likewise.
6437 (gen_entry_point_die): Likewise.
6438 (gen_enumeration_type_die): Likewise.
6439 (gen_formal_parameter_die): Likewise.
6440 (gen_subprogram_die): Likewise.
6441 (gen_variable_die ): Likewise.
6442 (gen_const_die): Likewise.
6443 (gen_field_die): Likewise.
6444 (gen_pointer_type_die): Likewise.
6445 (gen_reference_type_die): Likewise.
6446 (gen_ptr_to_mbr_type_die): Likewise.
6447 (gen_inheritance_die): Likewise.
6448 (gen_subroutine_type_die): Likewise.
6449 (gen_typedef_die): Likewise.
6450 (force_type_die): Adjust call to modified_type_die.
6452 2016-01-19 Sandra Loosemore <sandra@codesourcery.com>
6454 * doc/standards.texi: Copy-editing for grammar, markup, and sentence
6455 flow throughout the file. Fix broken link to Objective-C 2.0
6457 * doc/invoke.texi: More copy-editing; fix numerous typos and spelling
6460 2016-01-19 Wilco Dijkstra <wdijkstr@arm.com>
6462 * ccmp.c (expand_ccmp_expr_1): Avoid spurious unused warnings.
6464 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
6467 * ipa-devirt.c (is_cxa_pure_virtual_p): New function.
6468 (maybe_record_node): Record cxa_pure_virtual as the only possible
6469 target if there are not ohter candidates.
6470 (possible_polymorphic_call_target_p): Accept cxa_pure_virtual.
6472 2016-01-19 Richard Biener <rguenther@suse.de>
6474 * hsa-gen.c (get_memory_order_name): Use MEMMODEL_ constants.
6475 (get_memory_order): Likewise.
6477 2016-01-19 Kirill Yukhin <kirill.yukhin@intel.com>
6479 * tree-vect-stmts.c (vectorizable_store): Check
6482 2016-01-19 David Malcolm <dmalcolm@redhat.com>
6485 * gcc.c (driver::decode_argv): Add call to
6486 init_opts_obstack before init_options_struct.
6487 * opts.c (init_opts_obstack): Remove idempotency.
6488 (init_options_struct): Replace call to init_opts_obstack
6489 with a gcc_assert to verify that it has already been called.
6490 * toplev.c (toplev::main): Add call to init_opts_obstack before
6491 calls to init_options_struct.
6492 (toplev::finalize): Move cleanup of opts_obstack next to
6493 cleanup of save_decoded_options, clearing the latter, and
6494 save_decoded_options_count.
6496 2016-01-19 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
6499 * config/arm/vfp.md (l<vrint_pattern><su_optab><mode>si2): Set "conds"
6500 attribute to unconditional. Remove %? from output template.
6502 2015-01-19 Wilco Dijkstra <wdijkstr@arm.com>
6503 Jiong Wang <jiong.wang@arm.com>
6505 * ccmp.c (expand_ccmp_expr_1): Cost the instruction sequences
6506 generated from different expand order.
6508 2015-01-19 Wilco Dijkstra <wdijkstr@arm.com>
6510 * /config/aarch64/aarch64.c (aarch64_if_then_else_costs):
6511 Add support for CCMP costing.
6513 2015-01-19 Wilco Dijkstra <wdijkstr@arm.com>
6515 * ccmp.c (ccmp_candidate_p): Remove integer-only restriction.
6516 * config/aarch64/aarch64.md (fccmp<mode>): New pattern.
6517 (fccmpe<mode>): Likewise.
6518 (fcmp): Rename to fcmp and globalize pattern.
6520 * config/aarch64/aarch64.c (aarch64_gen_ccmp_first): Add FP support.
6521 (aarch64_gen_ccmp_next): Add FP support.
6523 2015-01-19 Wilco Dijkstra <wdijkstr@arm.com>
6525 * target.def (gen_ccmp_first): Update documentation.
6526 (gen_ccmp_next): Likewise.
6527 * doc/tm.texi (gen_ccmp_first): Update documentation.
6528 (gen_ccmp_next): Likewise.
6529 * ccmp.c (expand_ccmp_expr): Extract cmp_code from return value of
6530 expand_ccmp_expr_1. Improve comments.
6531 * config/aarch64/aarch64.md (ccmp_and): Use if_then_else for ccmp.
6532 (ccmp_ior<mode>): Remove pattern.
6533 (cmp<mode>): Remove expand.
6534 (cmp): Globalize pattern.
6535 (cstorecc4): Use cc_register.
6536 (mov<mode>cc): Remove ccmp_cc_register check.
6537 * config/aarch64/aarch64.c (aarch64_get_condition_code_1):
6538 Simplify after removal of CC_DNE/* modes.
6539 (aarch64_ccmp_mode_to_code): Remove.
6540 (aarch64_print_operand): Remove 'K' case. Merge 'm' and 'M' cases.
6541 In 'k' case use integer as condition.
6542 (aarch64_nzcv_codes): Remove inverted cases.
6543 (aarch64_code_to_ccmode): Remove.
6544 (aarch64_gen_ccmp_first): Use cmp pattern directly. Return the correct
6545 comparison with CC register to be used in folowing CCMP/branch/CSEL.
6546 (aarch64_gen_ccmp_next): Use previous comparison and mode in CCMP
6547 pattern. Return the comparison with CC register. Invert conditions
6549 * config/aarch64/aarch64-modes.def: Remove CC_DNE/* modes.
6550 * config/aarch64/predicates.md (ccmp_cc_register): Remove.
6552 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
6554 * cgraphunit.c (cgraph_node::reset): Clear thunk info and
6555 instrumented_version.
6557 2016-01-19 Richard Biener <rguenther@suse.de>
6559 PR tree-optimization/69336
6560 * tree-ssa-scopedtables.c (avail_expr_hash): Handle all
6561 handled components with get_ref_base_and_extent.
6562 (equal_mem_array_ref_p): Adjust.
6564 2016-01-19 Jakub Jelinek <jakub@redhat.com>
6567 * shrink-wrap.c: Include valtrack.h.
6568 (move_insn_for_shrink_wrap): Add DEBUG argument. If
6569 MAY_HAVE_DEBUG_INSNS, call dead_debug_add on DEBUG_INSNs
6570 in between insn and where it will be moved to. Call
6571 dead_debug_insert_temp.
6572 (prepare_shrink_wrap): Adjust caller. Call dead_debug_local_init
6573 first and dead_debug_local_finish at the end.
6574 For uses and defs bitmap, handle all regs in between REGNO and
6575 END_REGNO, not just the first one.
6577 2016-01-19 Richard Biener <rguenther@suse.de>
6579 PR tree-optimization/69352
6580 * tree-ssa-scopedtables.c (avail_expr_hash): Check for size == -1.
6581 (equal_mem_array_ref_p): Constrain size and max size properly.
6582 Compare the reverse flag.
6584 2016-01-19 Bernd Schmidt <bschmidt@redhat.com>
6586 * ira.c (ira): Update regstat data if we deleted insns.
6588 2016-01-19 Jakub Jelinek <jakub@redhat.com>
6590 PR rtl-optimization/68955
6591 PR rtl-optimization/64557
6592 * dse.c (record_store, check_mem_read_rtx): Don't call get_addr
6593 here. Fix up formatting.
6594 * alias.c (get_addr): Handle VALUE +/- CONST_SCALAR_INT_P.
6596 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
6599 * cgraphunit.c (cgraph_node::expand_thunk): When forcing gimple
6600 assume that the node has body.
6601 * cgraph.c (cgraph_node::get_untransformed_body): Use gimple_body_p
6604 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
6606 * lto-streamer-out.c (lto_output): Do not stream instrumentation
6609 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
6611 * symtab.c (symtab_node::asm_name): Do not call printable name directly.
6612 (symtab_node::name): Report name as unnamed if DECL_NAME is not set.
6614 2016-01-19 Martin Jambor <mjambor@suse.cz>
6615 Martin Liska <mliska@suse.cz>
6616 Michael Matz <matz@suse.de>
6618 * Makefile.in (OBJS): Add new source files.
6619 (GTFILES): Add hsa.c.
6620 * common.opt (disable_hsa): New variable.
6621 (-Whsa): New warning.
6622 * config.in (ENABLE_HSA): New.
6623 * configure.ac: Treat hsa differently from other accelerators.
6624 (OFFLOAD_TARGETS): Define ENABLE_OFFLOADING according to
6626 (ENABLE_HSA): Define ENABLE_HSA according to $enable_hsa.
6627 * doc/install.texi (Configuration): Document --with-hsa-runtime,
6628 --with-hsa-runtime-include, --with-hsa-runtime-lib and
6630 * doc/invoke.texi (-Whsa): Document.
6631 (hsa-gen-debug-stores): Likewise.
6632 * lto-wrapper.c (compile_images_for_offload_targets): Do not attempt
6633 to invoke offload compiler for hsa acclerator.
6634 * opts.c (common_handle_option): Determine whether HSA offloading
6635 should be performed.
6636 * params.def (PARAM_HSA_GEN_DEBUG_STORES): New parameter.
6637 * builtin-types.def (BT_FN_VOID_UINT_PTR_INT_PTR): New.
6638 (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_INT_INT): Removed.
6639 (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_PTR): New.
6640 * gimple-low.c (lower_stmt): Also handle GIMPLE_OMP_GRID_BODY.
6641 * gimple-pretty-print.c (dump_gimple_omp_for): Also handle
6642 GF_OMP_FOR_KIND_GRID_LOOP.
6643 (dump_gimple_omp_block): Also handle GIMPLE_OMP_GRID_BODY.
6644 (pp_gimple_stmt_1): Likewise.
6645 * gimple-walk.c (walk_gimple_stmt): Likewise.
6646 * gimple.c (gimple_build_omp_grid_body): New function.
6647 (gimple_copy): Also handle GIMPLE_OMP_GRID_BODY.
6648 * gimple.def (GIMPLE_OMP_GRID_BODY): New.
6649 * gimple.h (enum gf_mask): Added GF_OMP_PARALLEL_GRID_PHONY,
6650 GF_OMP_FOR_KIND_GRID_LOOP, GF_OMP_FOR_GRID_PHONY and
6651 GF_OMP_TEAMS_GRID_PHONY.
6652 (gimple_statement_omp_single_layout): Updated comments.
6653 (gimple_build_omp_grid_body): New function.
6654 (gimple_has_substatements): Also handle GIMPLE_OMP_GRID_BODY.
6655 (gimple_omp_for_grid_phony): New function.
6656 (gimple_omp_for_set_grid_phony): Likewise.
6657 (gimple_omp_parallel_grid_phony): Likewise.
6658 (gimple_omp_parallel_set_grid_phony): Likewise.
6659 (gimple_omp_teams_grid_phony): Likewise.
6660 (gimple_omp_teams_set_grid_phony): Likewise.
6661 (gimple_return_set_retbnd): Also handle GIMPLE_OMP_GRID_BODY.
6662 * omp-builtins.def (BUILT_IN_GOMP_OFFLOAD_REGISTER): New.
6663 (BUILT_IN_GOMP_OFFLOAD_UNREGISTER): Likewise.
6664 (BUILT_IN_GOMP_TARGET): Updated type.
6665 * omp-low.c: Include symbol-summary.h, hsa.h and params.h.
6666 (adjust_for_condition): New function.
6667 (get_omp_for_step_from_incr): Likewise.
6668 (extract_omp_for_data): Moved parts to adjust_for_condition and
6669 get_omp_for_step_from_incr.
6670 (build_outer_var_ref): Handle GIMPLE_OMP_GRID_BODY.
6671 (fixup_child_record_type): Bail out if receiver_decl is NULL.
6672 (scan_sharing_clauses): Handle OMP_CLAUSE__GRIDDIM_.
6673 (scan_omp_parallel): Do not create child functions for phony
6675 (check_omp_nesting_restrictions): Handle GIMPLE_OMP_GRID_BODY.
6676 (scan_omp_1_op): Checking assert we are not remapping to
6677 ERROR_MARK. Also also handle GIMPLE_OMP_GRID_BODY.
6678 (parallel_needs_hsa_kernel_p): New function.
6679 (expand_parallel_call): Register apprpriate parallel child
6680 functions as HSA kernels.
6681 (grid_launch_attributes_trees): New type.
6682 (grid_attr_trees): New variable.
6683 (grid_create_kernel_launch_attr_types): New function.
6684 (grid_insert_store_range_dim): Likewise.
6685 (grid_get_kernel_launch_attributes): Likewise.
6686 (get_target_argument_identifier_1): Likewise.
6687 (get_target_argument_identifier): Likewise.
6688 (get_target_argument_value): Likewise.
6689 (push_target_argument_according_to_value): Likewise.
6690 (get_target_arguments): Likewise.
6691 (expand_omp_target): Call get_target_arguments instead of looking
6692 up for teams and thread limit.
6693 (grid_expand_omp_for_loop): New function.
6694 (grid_arg_decl_map): New type.
6695 (grid_remap_kernel_arg_accesses): New function.
6696 (grid_expand_target_kernel_body): New function.
6697 (expand_omp): Call it.
6698 (lower_omp_for): Do not emit phony constructs.
6699 (lower_omp_taskreg): Do not emit phony constructs but create for them
6700 a temporary variable receiver_decl.
6701 (lower_omp_taskreg): Do not emit phony constructs.
6702 (lower_omp_teams): Likewise.
6703 (lower_omp_grid_body): New function.
6704 (lower_omp_1): Call it.
6705 (grid_reg_assignment_to_local_var_p): New function.
6706 (grid_seq_only_contains_local_assignments): Likewise.
6707 (grid_find_single_omp_among_assignments_1): Likewise.
6708 (grid_find_single_omp_among_assignments): Likewise.
6709 (grid_find_ungridifiable_statement): Likewise.
6710 (grid_target_follows_gridifiable_pattern): Likewise.
6711 (grid_remap_prebody_decls): Likewise.
6712 (grid_copy_leading_local_assignments): Likewise.
6713 (grid_process_kernel_body_copy): Likewise.
6714 (grid_attempt_target_gridification): Likewise.
6715 (grid_gridify_all_targets_stmt): Likewise.
6716 (grid_gridify_all_targets): Likewise.
6717 (execute_lower_omp): Call grid_gridify_all_targets.
6718 (make_gimple_omp_edges): Handle GIMPLE_OMP_GRID_BODY.
6719 * tree-core.h (omp_clause_code): Added OMP_CLAUSE__GRIDDIM_.
6720 (tree_omp_clause): Added union field dimension.
6721 * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE__GRIDDIM_.
6722 * tree.c (omp_clause_num_ops): Added number of arguments of
6723 OMP_CLAUSE__GRIDDIM_.
6724 (omp_clause_code_name): Added name of OMP_CLAUSE__GRIDDIM_.
6725 (walk_tree_1): Handle OMP_CLAUSE__GRIDDIM_.
6726 * tree.h (OMP_CLAUSE_GRIDDIM_DIMENSION): New.
6727 (OMP_CLAUSE_SET_GRIDDIM_DIMENSION): Likewise.
6728 (OMP_CLAUSE_GRIDDIM_SIZE): Likewise.
6729 (OMP_CLAUSE_GRIDDIM_GROUP): Likewise.
6730 * passes.def: Schedule pass_ipa_hsa and pass_gen_hsail.
6731 * tree-pass.h (make_pass_gen_hsail): Declare.
6732 (make_pass_ipa_hsa): Likewise.
6733 * ipa-hsa.c: New file.
6734 * lto-section-in.c (lto_section_name): Add hsa section name.
6735 * lto-streamer.h (lto_section_type): Add hsa section.
6736 * timevar.def (TV_IPA_HSA): New.
6737 * hsa-brig-format.h: New file.
6738 * hsa-brig.c: New file.
6739 * hsa-dump.c: Likewise.
6740 * hsa-gen.c: Likewise.
6743 * toplev.c (compile_file): Call hsa_output_brig.
6744 * hsa-regalloc.c: New file.
6746 2016-01-18 Jeff Law <law@redhat.com>
6748 PR tree-optimization/69320
6749 * tree-ssa-dom.c (record_edge_info): For comparisons against a boolean
6750 ranged object, do nothing if the RHS constant is not [0..1].
6751 (optimize_stmt): Comparing a boolean ranged object against a
6752 constant outside [0..1] results in a compile-time constant.
6754 * tree-ssanames.c (ssa_name_has_boolean_range): Remove unnecessary
6757 2016-01-18 Sandra Loosemore <sandra@codesourcery.com>
6759 * doc/invoke.texi (Invoking GCC): Add new section to menu.
6760 (Option Summary): Update to reflect new section and moved options.
6761 (C++ Dialect Options): Move -fstats to new section.
6762 (Debugging Options): Move all dump, statistics, and other GCC
6763 developer options to new section. Rewrite section introduction
6764 and re-order remaining options to put the more basic ones first.
6765 (Optimization Options): Move -fira-verbose and -flto-report* to
6767 (Developer Options): New section incorporating moved options.
6768 * doc/cppopts.texi (-dM): Update cross-reference.
6770 2016-01-18 Richard Henderson <rth@redhat.com>
6773 * config/aarch64/aarch64.md (add<GPI>3): Move long immediate
6774 operands to pseudo only if CSE is expected. Split long immediate
6775 operands only after reload, and for the stack pointer.
6776 (*add<GPI>3_pluslong): Remove.
6777 (*addsi3_aarch64, *adddi3_aarch64): Merge into...
6778 (*add<GPI>3_aarch64): ... here. Add r/rk/Upl alternative.
6779 (*addsi3_aarch64_uxtw): Add r/rk/Upl alternative.
6780 (*add<GPI>3 peepholes): New.
6781 (*add<GPI>3 splitters): New.
6782 * config/aarch64/constraints.md (Upl): New.
6783 * config/aarch64/predicates.md (aarch64_pluslong_strict_immedate): New.
6785 2016-01-18 Richard Biener <rguenther@suse.de>
6787 PR tree-optimization/69297
6788 * tree-vect-slp.c (vect_bb_slp_scalar_cost): Count each scalar
6790 (vect_bb_vectorization_profitable_p): Clear visited flag again.
6792 2016-01-18 Yuri Rumyantsev <ysrumyan@gmail.com>
6795 * fold-const.c (fold_binary_op_with_conditional_arg): Bail out for case
6796 of mixind vector and scalar types.
6797 (fold_relational_const): Add handling of vector
6798 comparison with boolean result.
6799 * tree-cfg.c (verify_gimple_comparison): Add argument CODE, allow
6800 comparison of vector operands with boolean result for EQ/NE only.
6801 (verify_gimple_assign_binary): Adjust call for verify_gimple_comparison.
6802 (verify_gimple_cond): Likewise.
6803 * tree-vrp.c (extract_code_and_val_from_cond_with_ops): Modify check on
6806 2016-01-18 Joseph Myers <joseph@codesourcery.com>
6808 * config/mips/mips.h (ISA_HAS_PAIRED_SINGLE): Require
6811 2016-01-18 Richard Biener <rguenther@suse.de>
6814 * gimple.c (gimple_could_trap_p_1): Handle GIMPLE_COND.
6816 2016-01-18 Tom de Vries <tom@codesourcery.com>
6818 * passes.def: Add pass_parallelize_loops to pass_oacc_kernels.
6820 2016-01-18 Tom de Vries <tom@codesourcery.com>
6822 * omp-low.c (set_oacc_fn_attrib): Make extern.
6823 * omp-low.h (set_oacc_fn_attrib): Declare.
6824 * tree-parloops.c (struct reduction_info): Add reduc_addr field.
6825 (create_call_for_reduction_1): Handle case that reduc_addr is non-NULL.
6826 (create_parallel_loop, gen_parallel_loop, try_create_reduction_list):
6827 Add and handle function parameter oacc_kernels_p.
6828 (find_reduc_addr, get_omp_data_i_param): New function.
6829 (ref_conflicts_with_region, oacc_entry_exit_ok_1)
6830 (oacc_entry_exit_single_gang, oacc_entry_exit_ok): New function.
6831 (parallelize_loops): Add and handle function parameter oacc_kernels_p.
6832 Calculate dominance info. Skip loops that are not in a kernels region
6833 in oacc_kernels_p mode. Skip inner loops of parallelized loops.
6834 (pass_parallelize_loops::execute): Call parallelize_loops with
6835 oacc_kernels_p argument.
6836 (pass_parallelize_loops::clone, pass_parallelize_loops::set_pass_param):
6837 New member function.
6838 (pass_parallelize_loops::bool oacc_kernels_p): New member var.
6839 * passes.def: Add argument to pass_parallelize_loops instantation.
6841 2016-01-18 Tom de Vries <tom@codesourcery.com>
6843 * tree-parloops.c (pass_parallelize_loops::execute): Allow
6844 pass_parallelize_loops to be run outside the loop pipeline.
6846 2016-01-18 Alan Lawrence <alan.lawrence@arm.com>
6848 * tree-scalar-evolution.c (follow_copies_to_constant): New.
6849 (analyze_initial_condition, analyze_scalar_evolution_1): Call previous.
6851 2016-01-18 Alan Lawrence <alan.lawrence@arm.com>
6854 * tree-ssa-scopedtables.c (avail_expr_hash): Hash MEM_REF and ARRAY_REF
6855 using get_ref_base_and_extent.
6856 (equal_mem_array_ref_p): New.
6857 (hashable_expr_equal_p): Add call to previous.
6859 2016-01-18 Alan Lawrence <alan.lawrence@arm.com>
6862 * tree-sra.c (disqualified_constants, constant_decl_p): New.
6863 (sra_initialize): Allocate disqualified_constants.
6864 (sra_deinitialize): Free disqualified_constants.
6865 (disqualify_candidate): Update disqualified_constants when appropriate.
6866 (create_access): Scan for constant-pool entries as we go along.
6867 (scalarizable_type_p): Add check against type_contains_placeholder_p.
6868 (maybe_add_sra_candidate): Allow constant-pool entries.
6869 (load_assign_lhs_subreplacements): Bind debug for constant pool vars.
6870 (initialize_constant_pool_replacements): New.
6871 (sra_modify_assign): Avoid mangling assignments created by previous,
6872 and don't generate writes into constant pool.
6873 (sra_modify_function_body): Call initialize_constant_pool_replacements.
6875 2016-01-18 Ilya Enkovich <enkovich.gnu@gmail.com>
6877 * config/i386/i386.c (scalar_to_vector_candidate_p): Support
6879 (scalar_chain::convert_op): Likewise.
6880 * config/i386/i386.md (*andndi3_doubleword): New.
6882 2016-01-18 Richard Biener <rguenther@suse.de>
6884 PR tree-optimization/69170
6885 * tree-vect-slp.c (vect_build_slp_tree): Verify we are not
6886 building a vector from scalar results of a pattern stmt.
6888 2016-01-18 Jakub Jelinek <jakub@redhat.com>
6890 * haifa-sched.c (autopref_multipass_init): Work around
6891 -Wmaybe-uninitialized warning.
6893 2016-01-18 Thomas Preud'homme <thomas.preudhomme@arm.com>
6895 * config/arm/arm.c (thumb1_reorg): Check that the comparison is
6896 against the constant 0.
6898 2016-01-17 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
6900 PR tree-optimization/68799
6901 * gimple-ssa-strength-reduction.c (create_phi_basis): Directly
6902 look up phi candidates in the statement-candidate map.
6903 (phi_add_costs): Likewise.
6904 (record_phi_increments): Likewise.
6905 (phi_incr_cost): Likewise.
6906 (ncd_with_phi): Likewise.
6907 (all_phi_incrs_profitable): Likewise.
6909 2016-01-17 Jakub Jelinek <jakub@redhat.com>
6911 * omp-low.c (mark_loops_in_oacc_kernels_region): Work around
6912 -Wmaybe-uninitialized warning.
6914 2016-01-16 Sandra Loosemore <sandra@codesourcery.com>
6916 * doc/invoke.texi (Invoking GCC): Add new section to menu.
6917 (Option Summary): Update to reflect new section and moved options.
6918 (C++ Dialect Options): Move -fvtable-verify and related options.
6919 (Debugging Options): Move Sanitizer, Pointer Bounds Checker,
6920 and profiling-related options.
6921 (Optimization Options): Move profile generation options and
6922 -fstack-protector and related options.
6923 (Instrumentation Options): New section incorporating moved options.
6924 (Code Generation Options): Move -finstrument-functions and
6925 related options, -fstack-check, -fstack-limit*, and -fbounds-check.
6927 2016-01-16 Tom de Vries <tom@codesourcery.com>
6929 * passes.def: Move pass_expand_omp_ssa out of pass_parallelize_loops.
6931 2016-01-16 Tom de Vries <tom@codesourcery.com>
6933 * omp-low.c (expand_omp_atomic_fetch_op): Release defs of update stmt.
6935 2016-01-16 Richard Sandiford <richard.sandiford@arm.com>
6937 * hash-table.h (hash_table::empty): Turn into an inline wrapper
6938 that checks whether the table is already empty. Rename the
6939 original implementation to...
6940 (hash_table::empty_slot): ...this new private function.
6942 2016-01-15 David Malcolm <dmalcolm@redhat.com>
6945 * diagnostic-show-locus.c (layout::print_source_line): Move x
6946 offset of line until after call to
6947 get_line_width_without_trailing_whitespace.
6949 2016-01-15 Jeff Law <law@redhat.com>
6951 PR tree-optimization/69270
6952 * tree-ssanames.c (ssa_name_has_boolean_range): Moved here from
6953 tree-ssa-dom.c. Improve test for [0..1] ranve from VRP.
6954 * tree-ssa-dom.c (ssa_name_has_boolean_range): Remove.
6955 * tree-ssanames.h (ssa_name_has_boolean_range): Prototype.
6956 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
6957 ssa_name_has_boolean_range and constant_boolean_node.
6959 2016-01-15 Vladimir Makarov <vmakarov@redhat.com>
6961 PR rtl-optimization/69030
6962 * lra-spills.c (remove_pseudos): Check nrefs and make the function
6964 (spill_pseudos): Delete debug insn for dead pseudo.
6965 (lra_spill): Initiate spill_hard_reg and slots memory separately.
6967 2016-01-15 Jiong Wang <jiong.wang@arm.com>
6969 * config/aarch64/aarch64-builtins.c (aarch64_types_unopus_qualifiers):
6971 (TYPES_UNOPUS): Likewise.
6972 * config/aarch64/aarch64-simd-builtins.def (lbtruncuv2sf): Correct
6973 builtin type, from UNOP to UNOPUS.
6974 (lbtruncuv4sf): Likewise.
6975 (lbtruncuv2df): Likewise.
6976 (lrounduv2sf): Likewise.
6977 (lrounduv4sf): Likewise.
6978 (lrounduv2df): Likewise.
6979 (lroundusf): Likewise.
6980 (lroundusf): Likewise.
6981 (lceiluv2sf): Likewise.
6982 (lceiluv4sf): Likewise.
6983 (lceiluv2df): Likewise.
6984 (lceilusf): Likewise.
6985 (lceiludf): Likewise.
6986 (lflooruv2sf): Likewise.
6987 (lflooruv4sf): Likewise.
6988 (lflooruv2df): Likewise.
6989 (lfloorusf): Likewise.
6990 (lfloorudf): Likewise.
6991 (lfrintnuv2sf): Likewise.
6992 (lfrintnuv4sf): Likewise.
6993 (lfrintnuv2df): Likewise.
6994 (lfrintnusf): Likewise.
6995 (lfrintnudf): Likewise.
6996 * config/aarch64/arm_neon.h (vcvt_u32_f32): Remove unncessary type
6998 (vcvtq_u32_f32): Likewise.
6999 (vcvtq_u64_f64): Likewise.
7000 (vcvta_u32_f32): Likewise.
7001 (vcvtaq_u32_f32): Likewise.
7002 (vcvtaq_u64_f64): Likewise.
7003 (vcvtm_u32_f32): Likewise.
7004 (vcvtmq_u32_f32): Likewise.
7005 (vcvtmq_u64_f64): Likewise.
7006 (vcvtn_u32_f32): Likwise.
7007 (vcvtnq_u32_f32): Likewise.
7008 (vcvtnq_u64_f64): Likewise.
7009 (vcvtp_u32_f32): Likewise.
7010 (vcvtpq_u32_f32): Likewise.
7011 (vcvtpq_u64_f64): Likewise.
7012 (vcvtmd_u64_f64): Likewise.
7013 (vcvtms_u32_f32): Likewise.
7014 (vcvtad_u64_f64): Likewise.
7015 (vcvtas_u32_f32): Likewise.
7016 (vcvtnd_u64_f64): Likewise.
7017 (vcvtns_u32_f32): Likewise.
7018 (vcvtpd_u64_f64): Likewise.
7019 (vcvtps_u32_f32): Likewise.
7021 2016-01-15 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
7023 * config/aarch64/aarch64.c (aarch64_if_then_else_costs): Handle
7024 CSEL of zero_extended registers.
7026 2016-01-15 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
7028 * config/aarch64/aarch64.c (aarch64_rtx_costs, COMPARE case):
7029 Handle COMPARE of ZERO_EXTRACT against zero form of TST-immediate.
7031 2016-01-15 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
7033 * config/aarch64/aarch64.c (aarch64_process_one_target_attr): Return
7034 false when argument string is not found in the attributes table
7037 2016-01-15 David Edelsohn <dje.gcc@gmail.com>
7040 * config/rs6000/rs6000.c (rs6000_emit_msub): Delete.
7041 (rs6000_emit_swsqrt): Convert to Goldschmidt's Algorithm
7042 * config/rs6000/rs6000.md (sqrt<mode>2): Limit swsqrt to high
7045 2016-01-15 Richard Biener <rguenther@suse.de>
7047 PR tree-optimization/66856
7048 * tree-vect-loop.c (vect_transform_loop): Free SLP instances here.
7049 * tree-vect-slp.c (vect_free_slp_tree): Decrement stmt reference count.
7050 (vect_create_new_slp_node): Increment stmt reference count.
7051 (vect_get_and_check_slp_defs): Make sure stmts are nor already in
7052 an SLP tree before swapping operands.
7053 (vect_build_slp_tree): Likewise.
7054 (destroy_bb_vec_info): Free stmt info after SLP instances.
7055 * tree-vect-stmts.c (new_stmt_vec_info): Initialize reference count.
7056 * tree-vectorizer.h (struct _stmt_vec_info): Add num_slp_uses field.
7057 (STMT_VINFO_NUM_SLP_USES): New macro.
7059 2016-01-15 Richard Biener <rguenther@suse.de>
7062 * dwarf2out.c (add_linkage_name_raw): New function split out from ...
7063 (add_linkage_name): ... here.
7064 (gen_typedef_die): Use add_linkage_name_raw instead of
7065 add_linkage_attr to delay DECL_ASSEMBLER_NAME computation
7068 2016-01-15 Cesar Philippidis <cesar@codesourcery.com>
7070 * gimplify.c (oacc_default_clause): Decode reference and pointer
7071 types for both kernels and parallel regions.
7073 2016-01-15 Richard Sandiford <richard.sandiford@arm.com>
7076 * calls.c (emit_call_1): Force n_popped to zero for sibcalls.
7078 2016-01-15 Ilya Enkovich <enkovich.gnu@gmail.com>
7080 * config/i386/i386.c (scalar_chain::compute_convert_gain): Fix typo.
7081 (convert_scalars_to_vector): Likewise.
7083 2016-01-15 Jonathan Wakely <jwakely@redhat.com>
7085 * doc/extend.texi (Type Traits): Fix grammar.
7087 2016-01-15 Martin Jambor <mjambor@suse.cz>
7089 * tree-inline.c (remap_decl): Use existing dclarations if
7090 remapping a type and prevent_decl_creation_for_types.
7091 (replace_locals_stmt): Do an initial remapping of non-VLA typed
7092 decls first. Do real remapping with
7093 prevent_decl_creation_for_types set.
7094 * tree-inline.h (copy_body_data): New field
7095 prevent_decl_creation_for_types, moved remap_var_for_cilk to avoid
7098 2016-01-15 Dominik Vogt <vogt@linux.vnet.ibm.com>
7100 * config/s390/s390.opt (mmvcle): More verbose help text.
7102 2016-01-15 Dominik Vogt <vogt@linux.vnet.ibm.com>
7104 * config/s390/s390.opt: Add period to -mzvector option text.
7106 2016-01-15 Richard Biener <rguenther@suse.de>
7108 PR tree-optimization/68961
7109 * tree-vect-slp.c (vect_analyze_slp_cost_1): Consider cost
7110 of invariants in stores again.
7112 2016-01-15 Sebastian Huber <sebastian.huber@embedded-brains.de>
7114 * config/arm/t-rtems: Add cortex-m7/fpv5-d16 multilib.
7116 2016-01-15 Ilya Enkovich <enkovich.gnu@gmail.com>
7118 * config/i386/i386.c (ix86_expand_branch): Don't split
7119 DI mode xor instruction to SI mode.
7121 2016-01-15 Jan Hubicka <hubicka@ucw.cz>
7124 * ipa-icf.c (sem_function::merge): Virtual functions may become
7125 reachable even if they address is not taken and there are no
7128 2016-01-15 Jan Hubicka <hubicka@ucw.cz>
7130 * lto-streamer-out.c (subtract_estimated_size): New function.
7131 (get_symbol_initial_value): Use it.
7133 2016-01-15 Christian Bruel <christian.bruel@st.com>
7136 * config/arm/arm-builtins.c (ARM_BUILTIN_CRYPTO_BASE): New enum tag.
7137 (arm_init_neon_builtins_internal): Rename arm_init_neon_builtins,
7138 (arm_init_crypto_builtins_internal): Rename arm_init_crypto_builtins.
7139 use add_builtin_function_ext_scope instead of add_builtin_function.
7140 (neon_set_p, neon_crypto_set_p): Remove.
7141 (arm_init_builtins): Always call arm_init_neon_builtins and
7142 arm_init_crypto_builtins.
7143 (arm_expand_builtin): Check that builtins are allowed for the arch.
7144 * config/arm/arm-protos.h (arm_init_neon_builtins): Remove prototype.
7145 * config/arm/arm.c (arm_valid_target_attribute_tree): Remove
7146 arm_init_neon_builtins call.
7148 2016-01-15 Richard Biener <rguenther@suse.de>
7150 PR tree-optimization/69117
7151 * tree-ssa-sccvn.h (struct vn_ssa_aux): Add info member.
7152 * tree-ssa-sccvn.c (set_ssa_val_to): Save and adjust SSA name info
7153 of the leader conservatively.
7154 (free_scc_vn): Restore original SSA name infos.
7156 2016-01-14 Jeff Law <law@redhat.com>
7158 PR tree-optimization/69270
7159 * tree-ssa-dom.c (ssa_name_has_boolean_range): If the type has a
7160 single bit of precision, verify it's also unsigned.
7161 (record_edge_info): Use constant_boolean_node rather than fold_convert
7162 to convert boolean_true/boolean_false to the right type.
7164 2016-01-14 Richard Henderson <rth@redhat.com>
7167 * loop-doloop.c (record_reg_sets): New.
7168 (doloop_optimize): Reject the transform if the sequence
7169 clobbers registers live at the end of the loop block.
7170 (doloop_optimize_loops): Enable df_live if needed.
7172 2016-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
7174 * config/rs6000/rs6000-builtin.def: Revert 2016-01-13 change.
7175 * gcc/config/rs6000/rs6000.c: Likewise.
7176 * gcc/config/rs6000/rs6000.h: Likewise.
7177 * gcc/config/rs6000/rs6000.md: Likewise.
7178 * gcc/doc/extend.texi: Likewsie.
7180 2016-01-14 Jeff Law <law@redhat.com>
7182 * tree-ssa-dom.c (ssa_name_has_boolean_range): Fix comment
7185 2016-01-14 Richard Henderson <rth@redhat.com>
7189 * trans-mem.c (tm_log_emit_stmt): Fix unit size to bit size.
7190 * tree.c (build_tm_vector_builtins): Use builtin_decl_explicit_p
7191 instead of builtin_decl_declared_p to test for declaration.
7193 2016-01-14 Nicklas Bo Jensen <nbjensen@gmail.com>
7195 * doc/loop.texi (Loop Analysis and Representation): Document
7196 loop_depth function.
7198 2016-01-14 Tom de Vries <tom@codesourcery.com>
7200 PR tree-optimization/68773
7201 * omp-low.c (expand_omp_target): Don't set force_output.
7202 * varpool.c (varpool_node::get_create): Same.
7203 * lto-cgraph.c (input_offload_tables): Mark entries in offload_vars and
7204 offload_funcs with force_output.
7206 2016-01-14 Jakub Jelinek <jakub@redhat.com>
7209 * lra-eliminations.c (move_plus_up): Don't change anything if either
7210 the outer or inner subreg mode is not MODE_INT.
7211 * dwarf2out.c (mem_loc_descriptor): For SUBREG, if outer mode is
7212 integral <= DWARF2_ADDR_SIZE, convert to untyped afterwards.
7214 2016-01-14 Alan Lawrence <alan.lawrence@arm.com>
7216 * doc/md.texi (reduc_smin_@var{m}, reduc_smax_@var{m},
7217 reduc_umin_@var{m}, reduc_umax_@var{m}, reduc_splus_@var{m},
7218 reduc_uplus_@var{m}): Remove.
7219 * expr.c (expand_expr_real_2): Remove expansion path for
7220 reduc_[us](min|max|plus) optabs.
7221 * optabs-tree.c (scalar_reduc_to_vector): Remove.
7222 * optabs-tree.h (scalar_reduc_to_vector): Remove.
7223 * optabs.def (reduc_smax_optab, reduc_smin_optab, reduc_splus_optab,
7224 reduc_umax_optab, reduc_umin_optab, reduc_uplus_optab): Remove.
7225 * tree-vect-loop.c (vectorizable_reduction): Remove test for
7226 reduc_[us](min|max|plus) optabs.
7228 2016-01-14 Alan Lawrence <alan.lawrence@arm.com>
7230 * config/mips/mips-ps-3d.md (reduc_splus_v2sf): Remove.
7231 (reduc_plus_scal_v2sf): New.
7232 (reduc_smax_v2sf): Rename to...
7233 (reduc_smax_scal_v2sf): ...here, make result SFmode, add vec_extract.
7234 (reduc_smin_v2sf): Rename to...
7235 (reduc_smin_scal_v2sf): ...here, make result SFmode, add vec_extract.
7237 2016-01-14 Jan Hubicka <hubicka@ucw.cz>
7239 * alias.c (compare_base_symbol_refs): New function.
7240 (rtx_equal_for_memref_p, base_alias_check, memrefs_conflict_p): Use
7243 2016-01-14 Jakub Jelinek <jakub@redhat.com>
7246 PR tree-optimization/69155
7247 * tree-complex.c: Include cfganal.h.
7248 (phis_to_revisit): New variable.
7249 (extract_component): Add phiarg_p argument. Assert that returned
7250 SSA_NAME has non-NULL SSA_NAME_DEF_STMT unless phiarg_p is true.
7251 (update_phi_components): Partly rewrite to use loop over real/imag
7252 components instead of code duplication. If extract_component returns
7253 SSA_NAME with NULL SSA_NAME_DEF_STMT, store SSA_NAME_VAR or
7254 create_tmp_reg into the PHI node instead, and mention the phi triplet
7256 (tree_lower_complex): Walk bbs in rpo order. Adjust phis recorded
7257 in phis_to_revisit at the end.
7259 2016-01-14 Richard Biener <rguenther@suse.de>
7261 PR tree-optimization/68060
7262 * tree-vect-loop.c (vect_is_simple_reduction): Check the
7263 outer loop reduction is only used in the inner loop before
7264 detecting a double reduction.
7266 2016-01-14 Jakub Jelinek <jakub@redhat.com>
7269 * combine.c (expand_field_assignment): Punt if compute_mode is
7270 unsupported scalar mode.
7272 2016-01-14 Richard Biener <rguenther@suse.de>
7274 PR tree-optimization/66856
7275 * tree-vect-slp.c (vect_build_slp_tree): Refactor to build
7276 SLP node only if it built successfully.
7277 (vect_analyze_slp_instance): Adjust.
7279 2016-01-14 Jeff Law <law@redhat.com>
7281 PR tree-optimization/69270
7282 * tree-ssa-dom.c (ssa_name_has_boolean_range): New function.
7283 (record_edge_info): Use it. Convert boolean_{true,false}_node
7286 2016-01-13 Jan Hubicka <hubicka@ucw.cz>
7289 * ipa-polymorphic-call.c (inlined_polymorphic_ctor_dtor_block_p):
7290 use block_ultimate_origin
7291 (noncall-stmt_may_be_vtbl_ptr_store): Likewise.
7293 2016-01-13 Sandra Loosemore <sandra@codesourcery.com>
7295 * doc/invoke.texi (Submodel Options): Rename section to
7296 "Machine-Dependent Options" to better reflect its content.
7297 Rewrite introductory text to remove archaic CPU names.
7300 2016-01-13 Sandra Loosemore <sandra@codesourcery.com>
7302 * doc/invoke.texi (Code Gen Options): Move section up in file,
7303 before target-specific options. Update menu and option summary
7304 to reflect the new section ordering.
7306 2016-01-13 Jonathan Wakely <jwakely@redhat.com>
7308 * doc/invoke.texi (C Dialect Options): Adjust -std default for C++.
7309 (C++ Dialect Options): Add cross-reference to -std option.
7310 * doc/standards.texi (C++ Language): Document C++14 support.
7312 2016-01-13 Michael Meissner <meissner@linux.vnet.ibm.com>
7314 * config/rs6000/rs6000-builtin.def (BU_FLOAT128_2): Add support
7315 for pack/unpack functions for __ibm128.
7316 (PACK_IF): Likewise.
7317 (UNPACK_IF): Likewise.
7319 * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Add
7320 support for __ibm128 pack/unpack functions.
7321 (rs6000_invalid_builtin): Likewise.
7322 (rs6000_init_builtins): Likewise.
7323 (rs6000_opt_masks): Likewise.
7325 * config/rs6000/rs6000.h (MASK_FLOAT128): Add short name.
7326 (RS6000_BTM_FLOAT128): Add support for __ibm128 pack/unpack
7328 (RS6000_BTM_COMMON): Likewise.
7330 * config/rs6000/rs6000.md (f128_vsx): New mode attribute.
7331 (unpack<mode>): Use FMOVE128_FPR iterator instead of FMOVE128, to
7332 disallow __builtin_{pack,unpack}_longdouble if long double is IEEE
7333 128-bit floating point. Add support for the double values to be
7334 in Altivec registers for TF/IF packing and unpacking, but restrict
7335 TD packing sub-fields to be FPR registers. Don't allow overlapped
7336 register support for packing. Allow pack inputs to be memory
7337 locations. Don't build generator functions for unpack<mode>_dm
7338 and unpack<mode>_nodm.
7339 (unpack<mode>_dm): Likewise.
7340 (unpack<mode>_nodm): Likewise.
7341 (pack<mode>): Likewise.
7343 * config/rs6000/rs6000-builtin.def (__builtin_pack_ibm128): Add
7344 built-in functions to pack/unpack explicit __ibm128 values.
7345 (__builtin_unpack_ibm128): Likewise.
7347 * doc/extend.texi (PowerPC Built-in Functions): Document
7348 __builtin_pack_ibm128 and __builtin_unpack_ibm128.
7350 2016-01-13 Bernd Schmidt <bschmidt@redhat.com>
7353 * c-common.c (check_function_nonnull): Remove unnecessary declaration.
7354 Add new arg loc and pass it down as context.
7355 (check_nonnull_arg): Don't mark ctx arg as unused. Use it as a pointer
7356 to the location to use for the warning.
7357 (check_function_arguments): New arg loc. All callers changed. Pass
7358 it to check_function_nonnull.
7359 * c-common.h (check_function_arguments): Adjust declaration.
7361 2016-01-13 Jakub Jelinek <jakub@redhat.com>
7363 PR tree-optimization/69156
7364 * gimple.c (validate_type): Removed.
7365 (gimple_builtin_call_types_compatible_p): Use
7366 useless_type_conversion_p instead of validate_type.
7367 * value-prof.c (gimple_stringop_fixed_value): Fold
7368 icall_size to correct type.
7370 2016-01-13 Jonathan Wakely <jwakely@redhat.com>
7372 * doc/extend.texi (__atomic Builtins): Clarify compare_exchange
7375 2016-01-13 Richard Henderson <rth@redhat.com>
7378 * target.def (builtin_tm_load, builtin_tm_store): Remove.
7379 * config/i386/i386.c (ix86_builtin_tm_load): Remove.
7380 (ix86_builtin_tm_store): Remove.
7381 (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
7382 (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
7383 * doc/tm.texi.in (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
7384 (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
7385 * doc/tm.texi: Rebuild.
7387 * gtm-builtins.def (BUILT_IN_TM_MEMCPY_RNWT): New.
7388 (BUILT_IN_TM_MEMCPY_RTWN): New.
7389 * trans-mem.c (tm_log_emit_stmt): Rearrange code for better
7390 fallback from vector to integer helpers.
7391 (build_tm_load): Handle vector types directly, instead of
7393 (build_tm_store): Likewise.
7394 (expand_assign_tm): Prepare for register types not handled by
7395 the above. Copy them to memory and use memcpy.
7396 * tree.c (tm_define_builtin): New.
7397 (find_tm_vector_type): New.
7398 (build_tm_vector_builtins): New.
7399 (build_common_builtin_nodes): Call it.
7401 2016-01-13 Uros Bizjak <ubizjak@gmail.com>
7403 * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Return -1 for
7404 TARGET_SSE_MATH without TARGET_SSE2. Rewrite.
7406 2016-01-13 Tom de Vries <tom@codesourcery.com>
7408 PR tree-optimization/69169
7409 * tree-ssa-structalias.c (create_variable_info_for_1): Add and handle
7410 handled_struct_type param.
7411 (create_variable_info_for, intra_create_variable_infos): Call
7412 create_variable_info_for_1 with extra arg.
7414 2016-01-13 Yvan Roux <yvan.roux@linaro.org>
7416 * config/arm/arm-arches.def: Remove spurious whitespace in "armv8.1-a"
7417 and "armv8.1-a+crc" entries.
7419 2016-01-13 Alexander Fomin <alexander.fomin@intel.com>
7422 * config/i386/sse.md (define_expand "avx512pf_gatherpf<mode>sf"):
7423 Change first operand predicate from register_or_constm1_operand
7424 to register_operand.
7425 (define_expand "avx512pf_gatherpf<mode>df"): Likewise.
7426 (define_expand "avx512pf_scatterpf<mode>sf"): Likewise.
7427 (define_expand "avx512pf_scatterpf<mode>df"): Likewise.
7428 (define_insn "*avx512pf_gatherpf<mode>sf"): Remove.
7429 (define_insn "*avx512pf_gatherpf<mode>df"): Likewise.
7430 (define_insn "*avx512pf_scatterpf<mode>sf"): Likewise.
7431 (define_insn "*avx512pf_scatterpf<mode>df"): Likewise.
7432 * config/i386/i386.c (ix86_expand_builtin): Remove first operand
7433 comparison with constm1_rtx from vec_prefetch_gen part.
7435 2016-01-13 Richard Biener <rguenther@suse.de>
7437 PR tree-optimization/69013
7438 * tree-ssa-uninit.c (prune_uninit_phi_opnds_in_unrealizable_paths):
7439 Exchange assert for a test.
7441 2016-01-13 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
7444 * config/s390/s390.md (bswaphi splitter): Use simplify_gen_subreg.
7446 2016-01-13 Richard Biener <rguenther@suse.de>
7448 PR tree-optimization/69242
7449 * tree-ssa-sccvn.c (visit_reference_op_load): Replace bogus
7450 assert with a check.
7452 2016-01-13 Richard Biener <rguenther@suse.de>
7454 PR tree-optimization/69186
7455 * tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
7456 Properly guard vect_update_misalignment_for_peel call.
7458 2016-01-12 Jeff Law <law@redhat.com>
7460 PR tree-optimization/pr67755
7461 * tree-ssa-threadupdate.c (struct ssa_local_info_t): Add new field
7462 "need_profile_correction".
7463 (thread_block_1): Initialize new field to false by default. If we
7464 have multiple thread paths through a common joiner to different
7465 final targets, then set new field to true.
7466 (compute_path_counts): Only do count adjustment when it's really
7469 2016-01-12 Sandra Loosemore <sandra@codesourcery.com>
7471 * doc/invoke.texi (Spec Files): Move section down in file, past
7472 all command-line option descriptions.
7474 2016-01-12 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
7477 * doc/gty.texi: Remove documentation of mark_hook.
7478 * gengtype.c (struct write_types_data): Remove code to support
7479 mark_hook attribute.
7480 (walk_type): Likewise.
7481 (write_func_for_structure): Likewise.
7483 2016-01-12 Sandra Loosemore <sandra@codesourcery.com>
7485 * doc/invoke.texi (Option Summary) Move -no-canonical-prefixes to
7486 Directory Options, and -specs= to Overall Options.
7487 (Overall Options): Adjust similarly. Reorder to group related
7488 options together. Make -specs= cross-reference the spec file details.
7489 (Directory Options): Adjust similarly.
7491 2016-01-12 Jeff Law <law@redhat.com>
7493 * tree-ssa-threadupdate.c: Various whitespace and typo fixes.
7495 2016-01-12 Olivier Hainque <hainque@adacore.com>
7497 * gcc.c (spec_undefvar_allowed): New global.
7498 (process_command): Set to true when running for --version or --help,
7500 (getenv_spec_function): When the variable is not defined, use the
7501 variable name as the variable value if we're allowed not to issue
7504 2016-01-12 Bin Cheng <bin.cheng@arm.com>
7506 PR tree-optimization/68911
7507 * tree-vrp.c (adjust_range_with_scev): Check overflow in range
7508 information computed for expression "init + nit * step".
7510 2016-01-12 Sandra Loosemore <sandra@codesourcery.com>
7512 * doc/invoke.texi (Invoking GCC): Copy-edit. Incorporate information
7513 about name of GCC executable. Remove deleted node from menu.
7514 (Directory Options) <-B>: Remove cross-reference to deleted node.
7515 (Target Options): Delete section.
7517 2016-01-12 Christian Bruel <christian.bruel@st.com>
7520 * config/arm/arm-c.c (arm_pragma_target_parse): Set NODE_CONDITIONAL
7521 for __ARM_NEON_FP, __ARM_FP, _ARM_FEATURE_LDREX.
7523 2016-01-12 Jakub Jelinek <jakub@redhat.com>
7526 * config/i386/i386.c (ix86_expand_special_args_builtin): Ensure
7527 aligned_mem is properly set for AVX512-VL floating point masked
7531 * ifcvt.c (cond_exec_process_if_block): When removing the last
7532 insn from then_bb, remove also any possible barriers that follow it.
7534 2016-01-12 H.J. Lu <hongjiu.lu@intel.com>
7538 * config/i386/iamcu.h (SIZE_TYPE): New macro.
7539 (PTRDIFF_TYPE): Likewise.
7540 (WCHAR_TYPE): Likewise.
7541 (WCHAR_TYPE_SIZE): Likewise.
7542 (STDINT_LONG32): Likewise.
7544 2016-01-12 Richard Biener <rguenther@suse.de>
7546 PR tree-optimization/69053
7547 * tree-vect-loop.c (get_initial_def_for_reduction): Properly
7548 convert initial value for cond reductions.
7550 2016-01-12 Richard Biener <rguenther@suse.de>
7552 PR tree-optimization/69007
7553 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Move
7554 widen_sum after dot_prod and sad.
7556 2016-01-12 Richard Biener <rguenther@suse.de>
7558 PR tree-optimization/69168
7559 * tree-vect-loop.c (vect_analyze_loop_2): Reset both main and
7560 pattern stmt SLP type.
7561 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Patterns may
7562 end up unused so cope with that case.
7564 2016-01-12 Richard Biener <rguenther@suse.de>
7566 PR tree-optimization/69157
7567 * tree-vect-stmts.c (vectorizable_mask_load_store): Check
7568 stmts def type only during analyze phase.
7569 (vectorizable_call): Likewise.
7570 (vectorizable_simd_clone_call): Likewise.
7571 (vectorizable_conversion): Likewise.
7572 (vectorizable_assignment): Likewise.
7573 (vectorizable_shift): Likewise.
7574 (vectorizable_operation): Likewise.
7575 (vectorizable_store): Likewise.
7576 (vectorizable_load): Likewise.
7578 2016-01-12 Richard Biener <rguenther@suse.de>
7580 PR tree-optimization/69174
7581 * tree-vect-stmts.c (vect_mark_relevant): Remove excessive vertical
7583 (vectorizable_load): Properly compute the number of loads needed
7584 for permuted strided SLP loads and do not spuriously assign
7585 to SLP_TREE_VEC_STMTS.
7587 2016-01-12 Andris Pavenis <andris.pavenis@iki.fi>
7589 * config/i386/djgpp.h (PREFERRED_DEBUGGING_TYPE): Define to DWARF2
7590 (TARGET_ASM_OUTPUT_IDENT): Define to default_asm_output_ident_directive
7591 (MD_EXEC_PREFIX): Remove.
7592 (MD_STARTFILE_PREFIX) Removee.
7593 (FILE_NAME_ABSOLUTE_P): Remove.
7594 (CPP_SPEC): Do not read macros from sys/version.h.
7595 (LINK_COMMAND_SPEC): Remove.
7596 (LOCAL_INCLUDE_DIR): Remove.
7597 (TARGET_ASM_NAMED_SECTION): Define to i386_djgpp_asm_named_section
7598 (TARGET_OS_CPP_BUILTINS): Add DJGPP (non ISO only), __DJGPP, __DJGPP__, unix.
7599 (POST_LINK_SPEC): Define to invoke stubify after linker
7600 (LIBSTDCXX): Remove define
7601 (DBX_REGISTER_NUMBER): Define to svr4_dbx_register_map.
7602 (DEFAULT_PCC_STRUCT_RETURN): Define to 1.
7603 (SUBTARGET_OVERRIDE_OPTIONS): Remove warning about -mbnu2210.
7604 (SUBTARGET_OVERRIDE_OPTIONS): Ignore -fPIC and generate message.
7605 (SUBTARGET_OVERRIDE_OPTIONS): Default to DWARF2 debugging info.
7606 (IX86_MAYBE_NO_LIBGCC_TFMODE): Remove.
7607 (i386_djgpp_asm_named_section): Add propotype of new procedure
7609 * config/i386/xm-djgpp.h (NATIVE_SYSTEM_HEADER_DIR): Define.
7610 (MD_EXEC_PREFIX): Define (moved from config/i386/djgpp.h).
7611 (STANDARD_STARTFILE_PREFIX_1): Define (moved from MD_STARTFILE_PREFIX
7612 in config/i386/djgpp.h).
7613 (STANDARD_STARTFILE_PREFIX_2): Define identical to
7614 STANDARD_STARTFILE_PREFIX_1.
7615 (LOCAL_INCLUDE_DIR): Define (moved from config/i386/djgpp.h).
7616 (GCC_DRIVER_HOST_INITIALIZATION): Fix reporting fatal
7617 installation errors.
7618 (MAX_OFILE_ALIGNMENT): Define to 128.
7619 (HAVE_FTW_H): Undefine as DJGPP do not have nftw, but have ftw.h.
7621 * config/i386/djgpp.c: New file. Add implementation of
7622 i386_djgpp_asm_named_section.
7624 * config/i386/djgpp.opt: Remove obsolete option -mbnu210.
7626 * config/i386/t-djgpp: New file. Add djgpp.o to EXTRA_OBJS.
7627 Add rule for building djgpp.o.
7629 2016-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
7631 * config/rs6000/rs6000.c (v2df_reduction_p): New function.
7632 (rtx_is_swappable_p): Reductions are swappable.
7633 (insn_is_swappable_p): V2DF reductions are swappable.
7635 2016-01-11 John David Anglin <danglin@gcc.gnu.org>
7637 * config/pa/pa.c (pa_emit_move_sequence): Handle floating point
7638 reloads for other unsupported memory operands.
7640 2016-01-12 Kugan Vivekanandarajah <kuganv@linaro.org>
7641 Jim Wilson <jim.wilson@linaro.org>
7644 * config/arm/arm-builtins.c (arm_expand_neon_args): Call
7645 copy_to_mode_reg instead of force_reg.
7647 2016-01-11 H.J. Lu <hongjiu.lu@intel.com>
7650 * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Set to 2 only if
7651 TARGET_80387 is true.
7653 2016-01-11 Jakub Jelinek <jakub@redhat.com>
7656 * lra-eliminations.c (move_plus_up): Only move plus up
7657 if subreg of the constant can be simplified into constant
7658 and use the simplified subreg of the constant instead of
7659 the original constant.
7661 * fold-const.c (fold_convertible_p): Don't return true
7662 for conversion of VECTOR_TYPE to same sized integral type.
7663 (fold_convert_loc): Fix up formatting. Fold conversion of
7664 VECTOR_TYPE to same sized integral type using VIEW_CONVERT_EXPR
7665 instead of NOP_EXPR.
7667 PR tree-optimization/69214
7668 * tree-vrp.c (simplify_cond_using_ranges): Don't propagate
7669 innerop into a comparison if SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
7672 PR tree-optimization/69207
7673 * tree-vect-slp.c (vect_get_constant_vectors): For
7674 VECTOR_BOOLEAN_TYPE_P, assert op has integral type instead of
7675 fold_convertible_p to vector_type's element type, and always
7676 use VCE for non-VECTOR_BOOLEAN_TYPE_P.
7678 2016-01-11 Richard Biener <rguenther@suse.de>
7680 PR tree-optimization/69173
7681 * tree-vect-loop.c (vect_fixup_scalar_cycles_with_patterns): Only
7682 fixup the cycle if all stmts are in a pattern.
7684 2016-01-11 Uros Bizjak <ubizjak@gmail.com>
7687 * alias.c (base_alias_check): Move check for addresses with
7688 alignment ANDs before the call for compare_base_decls.
7689 (memrefs_conflict_p): Return -1 for different decls
7690 that went through alignment adjustments.
7692 2016-01-11 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
7694 PR rtl-optimization/68796
7695 * config/aarch64/aarch64.md (*and<mode>_compare0): New pattern.
7696 * config/aarch64/aarch64.c (aarch64_select_cc_mode): Handle HImode
7697 and QImode comparisons against zero with CC_NZmode.
7698 * config/aarch64/iterators.md (short_mask): New mode_attr.
7700 2016-01-11 H.J. Lu <hongjiu.lu@intel.com>
7702 * config/i386/sse.md (<avx512>_load<mode>_mask): Remove snprintf.
7703 (<avx512>_store<mode>_mask): Likewise.
7705 2016-01-11 Bernd Schmidt <bschmidt@redhat.com>
7706 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
7708 PR rtl-optimization/68841
7709 * ifcvt.c (struct noce_if_info): Add orig_x field.
7710 (bbs_ok_for_cmove_arith): Add to_rename parameter.
7711 Don't record conflicts on to_rename if it's present.
7712 Allow memory destinations in sets.
7713 (noce_try_cmove_arith): Call bbs_ok_for_cmove_arith even on simple
7714 blocks, passing orig_x to the checks.
7715 (noce_process_if_block): Set if_info->orig_x appropriately.
7717 2016-01-11 Tom de Vries <tom@codesourcery.com>
7719 PR tree-optimization/69069
7720 * tree-parloops.c (create_parallel_loop): Add missing phi args.
7722 2016-01-11 Yuri Rumyantsev <ysrumyan@gmail.com>
7724 PR rtl-optimization/68920
7725 * config/i386/i386.c (ix86_option_override_internal): Restrict number
7726 of conditional moves for RTL if-conversion to 1 for
7727 TARGET_ONE_IF_CONV_INSN.
7728 * config/i386/i386.h (TARGET_ONE_IF_CONV_INSN): New macros.
7729 * config/i386/x86-tune.def (X86_TUNE_ONE_IF_CONV_INSN): New macros.
7730 * params.def (PARAM_MAX_RTL_IF_CONVERSION_INSNS) : Introduce new
7731 parameter to restirct number of conditional moves for
7733 * doc/invoke.texi (max-rtl-if-conversion-insns): Document it.
7734 * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Limit number of
7737 2016-01-11 Alexandre Oliva <aoliva@redhat.com>
7740 * var-tracking.c (drop_overlapping_mem_locs): Operate on all
7741 onepart vars. Fix typo in comment. Fix reversed condition in
7743 (dataflow_set_remove_mem_locs): Operate on all onepart vars.
7746 * var-tracking.c (dump_onepart_variable_differences): New.
7747 (dataflow_set_different): If a detailed dump is requested,
7748 delay early returns and dump differences between onepart
7749 variables present before and after, and added variables.
7751 2016-01-11 Ilya Enkovich <enkovich.gnu@gmail.com>
7754 * expr.c (expand_expr_real_1): For boolean vector constants
7755 with a scalar mode use const_scalar_mask_from_tree.
7756 (const_scalar_mask_from_tree): New.
7757 * optabs.c (expand_vec_cond_mask_expr): Use mask mode
7758 assigned to a mask type to handle constants.
7760 2016-01-11 Martin Jambor <mjambor@suse.cz>
7763 * ipa-cp.c (estimate_local_effects): Do not clone for removal of
7764 useless parameters if we cannot change function signature.
7766 2016-01-11 Martin Jambor <mjambor@suse.cz>
7769 * cgraphclones.c (duplicate_thunk_for_node): Copy can_change_signature
7772 2016-01-11 Tom de Vries <tom@codesourcery.com>
7774 PR tree-optimization/69109
7775 * tree-parloops.c (try_transform_to_exit_first_loop_alt): Don't allow
7778 2016-01-11 Tom de Vries <tom@codesourcery.com>
7780 PR tree-optimization/69108
7781 * tree-parloops.c (gather_scalar_reductions): Handle case that outer phi
7782 res is not used in a phi.
7784 2016-01-11 Yury Gribov <y.gribov@samsung.com>
7787 * common.opt (frandom-seed): Fix parameter name.
7788 * doc/invoke.texi (frandom-seed): Ditto and describe parameter.
7790 2016-01-11 Tom de Vries <tom@codesourcery.com>
7792 PR tree-optimization/69058
7793 * tree-parloops.c (pass_parallelize_loops::execute): Return 0 if libgomp
7796 2016-01-11 Andrew Burgess <andrew.burgess@embecosm.com>
7798 * config/arc/arc.opt (mdiv-rem): Add period to the end.
7799 (mcode-density): Likewise.
7801 2016-01-10 Tom de Vries <tom@codesourcery.com>
7803 PR tree-optimization/69062
7804 * tree-parloops.c (loop_has_phi_with_address_arg): New function.
7805 (parallelize_loops): Don't paralelize loop that has phi with address
7808 2016-01-10 Tom de Vries <tom@codesourcery.com>
7810 PR tree-optimization/69039
7811 * tree-parloops.c (try_create_reduction_list): Only allow single exit
7814 2016-01-09 John David Anglin <danglin@gcc.gnu.org>
7817 * match.pd: Require target has function_c99_misc before doing
7818 truncl(extend(x)) and trunc(extend(x)) -> extend(truncf(x)), etc.
7820 2016-01-09 Gerald Pfeifer <gerald@pfeifer.com>
7822 * configure.ac (isl_options_set_schedule_serialize_sccs): Also
7824 * configure: Regenerate.
7826 2016-01-09 Jakub Jelinek <jakub@redhat.com>
7829 PR tree-optimization/69097
7830 * fold-const.h (expr_not_equal_to): New prototype.
7831 * fold-const.c: Include stringpool.h and tree-ssanames.h.
7832 (expr_not_equal_to): New function.
7833 * match.pd (X % -Y is the same as X % Y): Don't optimize
7834 unless X is known not to be equal to minimum or Y is known
7835 not to be equal to -1.
7836 * tree-vrp.c (simplify_div_or_mod_using_ranges): Add GSI argument.
7837 fold TRUNC_MOD_EXPR if the second argument is not a power of two.
7838 (simplify_stmt_using_ranges): Adjust caller.
7839 (vrp_finalize): Call set_value_range on SSA_NAMEs before calling
7840 substitute_and_fold.
7842 2016-01-09 Jan Hubicka <hubicka@ucw.cz>
7844 * ipa-icf.c (sem_item_optimizer::merge_classes): Do not ICE on VAR_DECL
7847 2016-01-08 Jakub Jelinek <jakub@redhat.com>
7849 PR tree-optimization/69167
7850 * gimple-fold.c (replace_stmt_with_simplification): Also punt if
7851 new SSA_NAME_OCCURS_IN_ABNORMAL_PHI SSA_NAMEs appear in operands of
7853 * gimple-match-head.c (maybe_push_res_to_seq): Likewise.
7855 2016-01-08 Alan Lawrence <alan.lawrence@arm.com>
7856 Richard Biener <rguenther@suse.de>
7858 PR tree-optimization/68707
7859 * tree-vect-slp.c (vect_analyze_slp_instance): Cancel permuted SLP
7860 instances that can be handled via vect_load_lanes.
7862 2016-01-08 Uros Bizjak <ubizjak@gmail.com>
7864 * symtab.c (symtab_node::equal_address_to): Return -1 instead of 2
7865 if we can't determine address equivalence.
7866 * alias.c (compare_base_decl): Update for changed return value of
7867 symtab_node::equal_address_to.
7869 2016-01-08 Jason Merrill <jason@redhat.com>
7873 * function.c (assign_temp): Guard against TREE_ADDRESSABLE types here.
7874 * expr.c (store_field): Not here.
7875 * tree-cfgcleanup.c (fixup_noreturn_call): Don't clear LHS of a
7876 call with TREE_ADDRESSABLE type.
7877 * tree-cfg.c (verify_gimple_call): Adjust.
7879 2016-01-08 Olivier Hainque <hainque@adacore.com>
7881 * config/vxworks.h (VXWORKS_LIBGCC_SPEC): Don't link shared RTPs with
7884 2016-01-08 Alan Lawrence <alan.lawrence@arm.com>
7886 * gcc.target/rs6000/paired.md (reduc_smax_v2sf): Rename to...
7887 (reduc_smax_scal_v2sf): ...here, make result SFmode, extract element.
7888 (reduc_smin_v2sf): Rename to...
7889 (reduc_smin_scal_v2sf): ...here, make result SFmode, extract element.
7890 (reduc_splus_v2sf): Rename to...
7891 (reduc_plus_scal_v2sf): ...here, make result SFmode, extract element.
7893 2016-01-08 Jakub Jelinek <jakub@redhat.com>
7895 PR tree-optimization/69162
7896 * gimplify.c (gimplify_va_arg_expr): Encode original type of
7897 valist argument in another argument.
7898 (gimplify_modify_expr): Adjust for the above change. Cleanup.
7899 * tree-stdarg.c (expand_ifn_va_arg_1): Use new 3rd argument
7900 to determine the va_list type, build a MEM_REF instead of
7901 build_fold_indirect_ref.
7903 PR tree-optimization/69172
7904 * gimple-fold.c (gimple_fold_builtin_memory_chk): Pass type to
7907 2016-01-08 Thomas Preud'homme <thomas.preudhomme@arm.com>
7909 PR tree-optimization/67781
7910 * tree-ssa-math-opts.c (find_bswap_or_nop): Zero out bytes in cmpxchg
7911 and cmpnop in two steps: first the ones not accessed in original
7912 gimple expression in a endian independent way and then the ones not
7913 accessed in the final result in an endian-specific way.
7915 2016-01-08 Jakub Jelinek <jakub@redhat.com>
7917 PR tree-optimization/69083
7918 * tree-vect-slp.c (vect_get_constant_vectors): For
7919 VECTOR_BOOLEAN_TYPE_P assert op is fold_convertible_p to vector_type's
7920 element type. If op is fold_convertible_p to vector_type's element
7921 type, use NOP_EXPR instead of VCE.
7923 2016-01-08 Segher Boessenkool <segher@kernel.crashing.org>
7925 PR rtl-optimization/67778
7926 PR rtl-optimization/68634
7927 PR rtl-optimization/68909
7928 * shrink-wrap.c (try_shrink_wrapping): Add comment. Don't pop
7929 block from the stack until done with it. Remove a superfluous
7930 bitmap set. Remove a superfluous bitmap test.
7932 2016-01-07 Martin Sebor <msebor@redhat.com>
7935 * doc/extend.texi (__atomic Builtins, __sync Builtins): Document
7936 constraint on the type of arguments.
7938 2016-01-07 Andreas Tobler <andreast@gcc.gnu.org>
7940 * config/arm/freebsd.h: Rename SUBTARGET_OVERRIDE_OPTIONS to
7941 SUBTARGET_OVERRIDE_INTERNAL_OPTIONS. Adjust to check
7942 unaligned_access on the gcc_options set.
7943 * config/arm/arm.c (arm_option_override_internal): Use
7944 SUBTARGET_OVERRIDE_INTERNAL_OPTIONS.
7946 2016-01-07 Uros Bizjak <ubizjak@gmail.com>
7949 * config/i386/i386.c (ix86_frame_pointer_required): Enable
7950 frame pointer for TARGET_64BIT_MS_ABI when stack is misaligned.
7952 2016-01-07 Uros Bizjak <ubizjak@gmail.com>
7955 2016-01-06 Uros Bizjak <ubizjak@gmail.com>
7958 * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
7959 depending on frame_pointer_needed before remaining integer and SSE
7960 registers are saved.
7962 2016-01-07 Sandra Loosemore <sandra@codesourcery.com>
7965 * doc/extend.texi (Nvidia PDX Function Attributes): New section.
7967 2016-01-07 H.J. Lu <hongjiu.lu@intel.com>
7970 * config/i386/sse.md (<sse>_sqrt<mode>2<mask_name><round_name>):
7971 Use the "xBm" constraint.
7972 (float<sseintvecmodelower><mode>2<mask_name><round_name):
7974 (sse_cvtsi2ss<round_name>): Use round_nimm_scalar_predicate.
7975 (sse_cvtsi2ssq<round_name>): Likewise.
7976 (sse_cvtss2si<round_name>): Likewise.
7977 (sse_cvtss2siq<round_name>): Likewise.
7978 (sse2_cvtsi2sdq<round_name>): Likewise.
7979 (sse2_cvtsd2si<round_name>): Likewise.
7980 (sse2_cvtsd2siq<round_name>): Likewise.
7981 * config/i386/subst.md (round_nimm_scalar_predicate): New
7984 2015-12-15 Bernd Schmidt <bschmidt@redhat.com>
7987 * varasm.c (make_decl_rtl): Mark invalid register vars as
7990 PR rtl-optimization/66206
7991 * bt-load.c (find_btr_use): Change first arg to be a pointer to an rtx.
7992 All callers changed.
7994 2016-01-07 Jakub Jelinek <jakub@redhat.com>
7996 PR tree-optimization/69141
7997 * tree-ssa-pre.c: Include langhooks.h.
7998 (eliminate_dom_walker::before_dom_children): Use
7999 lang_hooks.decl_printable_name instead of
8000 cgraph_node::get ()->name ().
8003 * gimple-expr.c (copy_var_decl): If var has DECL_USER_ALIGN set, copy
8004 it and DECL_ALIGN too.
8006 2016-01-06 Robert Suchanek <robert.suchanek@imgtec.com>
8008 * config/mips/mips-ftypes.def: Sort to lexicographical order.
8010 2016-01-06 Uros Bizjak <ubizjak@gmail.com>
8013 * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
8014 depending on frame_pointer_needed before remaining integer and SSE
8015 registers are saved.
8017 2015-01-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
8019 * config/rs6000/vsx.md (*p9_vecload_<mode>): Replace VSX_M
8020 mode iterator with VSX_M2.
8021 (*p9_vecstore_<mode>): Likewise.
8022 (*vsx_le_permute_<mode>): Restrict to !TARGET_P9_VECTOR.
8023 (*vsx_le_perm_load_<mode> for VSX_LE_128): Likewise.
8024 (*vsx_le_perm_store_<mode> for VSX_LE_128): Likewise.
8025 (define_split for VSX_LE128 stores): Likewise.
8026 (define_peephole2 for TImode LE swaps): Likewise.
8027 (define_split for VSX_LE128 post-reload stores): Likewise.
8029 2016-01-06 Marek Polacek <polacek@redhat.com>
8032 * convert.c (convert_to_integer_1): Adjust call to
8033 ubsan_instrument_float_cast. Use NULL_TREE instead of NULL.
8034 * ubsan.c (ubsan_instrument_float_cast): Drop the ARG parameter. Use
8035 EXPR instead of ARG.
8036 * ubsan.h (ubsan_instrument_float_cast): Adjust declaration.
8038 2016-01-05 Sandra Loosemore <sandra@codesourcery.com>
8041 * doc/extend.texi (RL78 Variable Attributes): New section.
8043 2016-01-05 Marek Polacek <polacek@redhat.com>
8046 * builtins.c (get_memmodel): Use expansion point location rather than
8047 the input location. Call warning_at rather than warning.
8048 (expand_builtin_atomic_compare_exchange): Likewise.
8049 (expand_builtin_atomic_load): Likewise.
8050 (expand_builtin_atomic_store): Likewise.
8051 (expand_builtin_atomic_clear): Likewise.
8053 2016-01-05 H.J. Lu <hongjiu.lu@intel.com>
8056 * config/i386/i386.c (ix86_expand_vector_logical_operator):
8057 Replace nonimmediate_operand with vector_operand.
8058 * config/i386/predicates.md (vector_operand): New predicate.
8059 (general_vector_operand): Replace nonimmediate_operand with
8061 * config/i386/sse.md: Replace nonimmediate_operand with
8062 vector_operand and m constraint with Bm constraint on SSE
8063 patterns with 16-byte memory operand.
8064 * config/i386/subst.md (round_nimm_predicate): Replace
8065 nonimmediate_operand with vector_operand.
8066 (round_saeonly_nimm_predicate): Likewise.
8067 (round_saeonly_nimm_scalar_predicate): New.
8069 2016-01-05 H.J. Lu <hongjiu.lu@intel.com>
8072 * config/i386/constraints.md (Bm): New constraint.
8073 * config/i386/predicates.md (vector_memory_operand): New
8075 * config/i386/sse.md: Replace xm with xBm in plusminus and
8078 2016-01-05 Sandra Loosemore <sandra@codesourcery.com>
8081 * doc/extend.texi (V850 Function Attributes): New section.
8082 (V850 Variable Attributes): New section.
8084 2016-01-05 Sandra Loosemore <sandra@codesourcery.com>
8087 * doc/extend.texi (MicroBlaze Function Attributes): Document
8088 interrupt_handler and fast_interrupt attributes.
8090 2016-01-05 Sergei Trofimovich <siarheit@google.com>
8093 * config/ia64/ia64.c (ia64_expand_load_address): Use gprel64
8094 for local symbolic operands.
8095 * config/ia64/predicates.md (local_symbolic_operand64): New
8098 2016-01-05 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
8100 PR rtl-optimization/68651
8101 * combine.c (combine_simplify_rtx): Canonicalize x + x into
8104 2016-01-05 Nathan Sidwell <nathan@acm.org>
8106 * alias.c (compare_base_decls): Use symtab_node::get.
8108 2016-01-05 Nick Clifton <nickc@redhat.com>
8111 * ira-costs.c (copy_cost): Initialise the t_icode field of the
8112 secondary_reload_info structure.
8115 * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Define to use weak
8116 decls if weak support is available.
8118 2016-01-04 Martin Sebor <msebor@redhat.com>
8120 * doc/invoke.texi (Warning Options): Document -Winvalid-memory-model.
8122 2016-01-04 Michael Meissner <meissner@linux.vnet.ibm.com>
8124 * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Add
8125 OPTION_MASK_P9_DFORM.
8127 * config/rs6000/constraints.md (wo constraint): New constraint for
8130 * config/rs6000/rs6000.c (rs6000_debug_reg_global): Add support
8132 (rs6000_init_hard_regno_mode_ok): Likewise.
8134 * config/rs6000/rs6000.h (r6000_reg_class_enum): Add support for
8137 * config/rs6000/altivec.md (altivec_vperm_<mode>): Clean up vperm
8138 expanders not to have constraints. Add support for ISA 3.0 xxperm
8139 instruction. Add support for fusing xxlor with xxperm.
8140 (altivec_vperm_<mode>_internal): Likewise.
8141 (altivec_vperm_v8hiv16qi): Likewise.
8142 (altivec_vperm_<mode>v16q): Likewise.
8143 (altivec_vperm_<mode>_uns): Likewise.
8144 (vperm_v8hiv4si): Likewise.
8145 (vperm_v16qiv8hi): Likewise.
8147 * doc/md.texi (RS/6000 constraints): Document wo constraint.
8149 2016-01-04 Jakub Jelinek <jakub@redhat.com>
8151 Update copyright years.
8153 * gcc.c (process_command): Update copyright notice dates.
8154 * gcov-dump.c (print_version): Ditto.
8155 * gcov.c (print_version): Ditto.
8156 * gcov-tool.c (print_version): Ditto.
8157 * gengtype.c (create_file): Ditto.
8158 * doc/cpp.texi: Bump @copying's copyright year.
8159 * doc/cppinternals.texi: Ditto.
8160 * doc/gcc.texi: Ditto.
8161 * doc/gccint.texi: Ditto.
8162 * doc/gcov.texi: Ditto.
8163 * doc/install.texi: Ditto.
8164 * doc/invoke.texi: Ditto.
8166 2016-01-04 Eric Botcazou <ebotcazou@adacore.com>
8168 * config/arm/arm.c (aapcs_vfp_allocate_return_reg): Treat all integer
8169 modes larger than TImode as TImode if NEON is not enabled.
8171 2016-01-04 Eric Botcazou <ebotcazou@adacore.com>
8174 * config/sparc/sparc.h (FUNCTION_ARG_REGNO_P): Return true in 64-bit
8175 mode for %f0-%f31 only if TARGET_FPU.
8177 2016-01-04 Eric Botcazou <ebotcazou@adacore.com>
8180 * config/sparc/sparc.c (scan_record_type): Take into account subfields
8181 to compute the PACKED_P predicate.
8182 (function_arg_record_value): Minor tweaks.
8184 2016-01-04 Thomas Preud'homme <thomas.preudhomme@arm.com>
8186 * doc/install.texi (--with-multilib-list): Describe the meaning of the
8187 option for arm*-*-* targets.
8189 2016-01-03 Sandra Loosemore <sandra@codesourcery.com>
8191 * doc/extend.texi (Common Function Attributes): Move docs for
8192 MSP430-specific attributes to....
8193 (MSP430 Function Attributes): ...here. Delete the redundant
8194 entries and copy-edit the remaining text.
8195 (MSP430 Variable Attributes): Use uniform format for index
8196 entries and add a cross-reference to the corresponding function
8199 2016-01-03 Vladimír Čunát <vcunat@gmail.com>
8201 * doc/invoke.texi (RS/6000 and PowerPC Options): Fix
8203 (x86 Options): Likewise.
8205 2016-01-01 Sandra Loosemore <sandra@codesourcery.com>
8209 * extend.texi (Common Function Attributes) <no_stack_limit>: New.
8210 * invoke.texi (Code Gen Options) <-fno-stack-limit>: Add pointer
8211 to corresponding attribute.
8213 2016-01-01 Sandra Loosemore <sandra@codesourcery.com>
8215 * doc/extend.texi (Common Function Attributes) <noplt>: Move
8216 to correct alphabetization of table. Copy-edit and correct
8218 <stack_protect>: Likewise.
8219 <target_clones>: Likewise.
8221 * doc/invoke.texi (Optimize Options) <-fstack-protector-explicit>:
8222 Correct punctuation.
8223 (Code Gen Options) <-fno-plt>: Copy-edit.
8225 2016-01-01 Bernd Edlinger <bernd.edlinger@hotmail.de>
8228 * config/tilegx/tilegx.md (clzsi2): Don't create DI subregs of
8229 SI values. Explicitly convert SI to DI and vice-versa.
8231 2016-01-01 Jakub Jelinek <jakub@redhat.com>
8233 PR tree-optimization/69070
8234 * tree-ssa-math-opts.c (gimple_expand_builtin_pow): Only test
8235 REAL_VALUE_ISSIGNALING_NAN on arg0 if arg0 is a REAL_CST.
8238 * ubsan.c (ubsan_instrument_float_cast): Call
8239 initialize_sanitizer_builtins.
8242 * ifcvt.c (find_cond_trap): Give up if returnjump_p (jump).
8244 Copyright (C) 2016 Free Software Foundation, Inc.
8246 Copying and distribution of this file, with or without modification,
8247 are permitted in any medium without royalty provided the copyright
8248 notice and this notice are preserved.