1 2016-05-01 Oleg Endo <olegendo@gcc.gnu.org>
3 * config/sh/sh.md (push, pop, ic_invalidate_line, cstoresi4, cstoredi4,
4 cstoresf4, cstoredf4, fix_truncsfsi2): Remove constraints.
6 2016-05-01 Eric Botcazou <ebotcazou@adacore.com>
8 * config/rs6000/rs6000.c (altivec_expand_lv_builtin): Do not use switch
9 statement on instruction code. Remove trailing spaces.
10 (altivec_expand_stv_builtin): Likewise.
12 2016-05-01 Oleg Endo <olegendo@gcc.gnu.org>
14 * config/sh/sh.h (TARGET_SH4): Remove and use default implementation.
15 (TARGET_FPU_DOUBLE): Simplify.
16 (BASE_ARG_REG, DOUBLE_TYPE_SIZE, OPTIMIZE_MODE_SWITCHING): Replace
17 'TARGET_SH4 || TARGET_SH2A_DOUBLE' conditions with 'TARGET_FPU_DOUBLE'.
18 * config/sh/sh.c: Replace 'TARGET_SH4 || TARGET_SH2A_DOUBLE' conditions
19 with 'TARGET_FPU_DOUBLE'.
20 * config/sh/sh.md: Likewise.
22 2016-05-01 Yoshinori Sato <ysato@users.sourceforge.jp>
24 * config/sh/linux.h (SH_DIV_STRATEGY_DEFAULT,
25 SH_DIV_STR_FOR_SIZE): Remove.
26 * config/sh/netbsd-elf.h (SH_DIV_STRATEGY_DEFAULT,
27 SH_DIV_STR_FOR_SIZE): Remove.
29 2016-05-01 Oleg Endo <olegendo@gcc.gnu.org>
31 * config/sh/predicates.md (any_register_operand, zero_extend_operand,
32 logical_reg_operand): Delete.
33 (arith_operand, arith_reg_dest, arith_or_int_operand, cmpsi_operand,
34 arith_reg_or_0_operand, arith_reg_or_0_or_1_operand, logical_operand,
35 logical_and_operand, movsrc_no_disp_mem_operand): Rewrite using
36 match_operand and match_test.
37 (sh_const_vec, sh_1el_vec): Remove redundant checks. Declare local
38 variables on their first use. Return bool values.
39 * config/sh/sh.h (LOAD_EXTEND_OP): Update comment.
40 * config/sh/sh.md (andsi3, iorsi3): Use arith_reg_dest for result and
41 arith_reg_operand for input operand. Remove empty constraints.
43 (*xorsi3_compact): Rename to xorsi3.
44 (zero_extend<mode>si2): Use arith_reg_operand for input operand.
45 (*zero_extend<mode>si2_disp_mem): Update comment.
48 2016-04-30 Oleg Endo <olegendo@gcc.gnu.org>
50 * config/sh/t-sh: Remove SH5 support.
51 * config.gcc: Likewise.
52 * configure: Likewise.
54 2016-04-30 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
56 * config/darwin.h (LINK_COMMAND_SPEC_A): Handle -fcilkplus.
58 2016-04-30 Oleg Endo <olegendo@gcc.gnu.org>
60 * config/sh/sh.c (register_sh_passes, sh_option_override,
61 sh_print_operand, prepare_move_operands,
62 sh_can_follow_jump): Remove TARGET_SH1 checks.
63 * config/sh/sh.h (TARGET_VARARGS_PRETEND_ARGS, VALID_REGISTER_P,
64 PROMOTE_MODE): Likewise.
65 * config/sh/sh.md (adddi3, addsi3, subdi3, subsi3, andsi3,
68 2016-04-30 Alan Modra <amodra@gmail.com>
70 * config/rs6000/rs6000.c (rs6000_savres_strategy): Force inline
71 restoring when fixed_reg_p, but allow out-of-line or stmw save.
72 Check for user regs later to avoid unnecessary looping over regs.
73 Merge user reg check with non-saved reg check. Don't force
74 inline VR restore when static chain used.
75 (rs6000_frame_related): Omit eh_frame info for user regs when
77 (fixed_regs_p): Delete.
79 2016-04-30 Alan Modra <amodra@gmail.com>
81 * config/rs6000/rs6000.c (SAVRES_MULTIPLE): Replace with..
82 (SAVE_STRATEGY, REST_STRATEGY): ..this. Renumber and sort enum.
85 2016-04-30 Alan Modra <amodra@gmail.com>
88 * config/rs6000/rs6000.c (fixed_reg_p): New function.
89 (fixed_regs_p): Rename from global_regs_p. Call fixed_reg_p.
92 2016-04-30 Alan Modra <amodra@gmail.com>
94 * config/rs6000/rs6000.c (rs6000_conditional_register_usage):
95 Remove redundant PIC_OFFSET_TABLE_REGNUM test. Replace with
96 flag_pic test for Darwin.
98 2016-04-30 Alan Modra <amodra@gmail.com>
100 * regs.h (struct reg_info_t): Delete freq_calls_crossed and
102 (REG_FREQ_CALLS_CROSSED): Delete.
103 (REG_N_THROWING_CALLS_CROSSED): Delete.
104 * regstat.c (regstat_bb_compute_ri): Don't calculate
105 REG_FREQ_CALLS_CROSSED and REG_N_THROWING_CALLS_CROSSED.
106 (dump_reg_info): Don't print call cross frequency.
107 * ira.c (combine_and_move_insns): Don't set REG_FREQ_CALLS_CROSSED
108 and REG_N_THROWING_CALLS_CROSSED.
110 2016-04-30 Alan Modra <amodra@gmail.com>
112 * regs.h (struct reg_info_t): Delete live_length.
113 (REG_LIVE_LENGTH): Delete macro.
114 * regstat.c (regstat_bb_compute_ri): Delete artificial_uses,
115 local_live, local_processed and local_live_last_luid params.
116 Replace bb_index param with bb. Don't set REG_LIVE_LENGTH.
118 (regstat_compute_ri): Adjust for above. Don't set
120 (dump_reg_info): Don't print live length.
121 * ira.c (update_equiv_regs): Replace test of REG_LIVE_LENGTH
122 with test of setjmp_crosses. Don't set REG_LIVE_LENGTH.
123 Localize loop_depth var.
125 2016-04-30 Alan Modra <amodra@gmail.com>
127 * ira.c (enum valid_equiv): New.
128 (validate_equiv_mem): Return enum.
129 (update_equiv_mem): Create replacement in more cases.
130 (add_store_equivs): Update validate_equiv_mem call.
132 2016-04-30 Alan Modra <amodra@gmail.com>
134 * ira.c (combine_and_move_insns): Rather than scanning insns,
135 use DF infrastucture to find use and def insns.
137 2016-04-30 Alan Modra <amodra@gmail.com>
139 ira.c (combine_and_move_insns): Move invariant conditions..
140 (ira.c): ..to here. Call combine_and_move_insns before
141 add_store_equivs. Call grow_reg_equivs later. Allocate
142 req_equiv later using max_reg_num() rather than global max_regno.
143 (contains_replace_regs): Delete.
144 (add_store_equivs): Remove contains_replace_regs test.
146 2016-04-30 Alan Modra <amodra@gmail.com>
148 * ira.c (struct equiv_mem_data): New.
149 (equiv_mem, equiv_mem_modified): Delete static vars.
150 (validate_equiv_mem_from_store): Use "data" param to communicate..
151 (validate_equiv_mem): ..from here.
153 2016-04-30 Alan Modra <amodra@gmail.com>
155 * ira.c (add_store_equivs, combine_and_move_insns): New functions,
157 (update_reg_equivs): ..here. Move allocation and freeing of
158 reg_equiv, and calls to grow_reg_equivs, init_alias_analysis,
159 end_alias_analysis to..
162 2016-04-30 Alan Modra <amodra@gmail.com>
164 * ira.c (pdx_subregs): Delete.
165 (struct equivalence): Add pdx_subregs field.
166 (set_paradoxical_subreg): Remove pdx_subregs param. Update
168 (update_equiv_regs): Don't create or free pdx_subregs. Update
171 2016-04-29 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
173 * config/rs6000/altivec.h: Change definitions of vec_xl and
175 * config/rs6000/rs6000-builtin.def (LD_ELEMREV_V2DF): New.
176 (LD_ELEMREV_V2DI): New.
177 (LD_ELEMREV_V4SF): New.
178 (LD_ELEMREV_V4SI): New.
179 (LD_ELEMREV_V8HI): New.
180 (LD_ELEMREV_V16QI): New.
181 (ST_ELEMREV_V2DF): New.
182 (ST_ELEMREV_V2DI): New.
183 (ST_ELEMREV_V4SF): New.
184 (ST_ELEMREV_V4SI): New.
185 (ST_ELEMREV_V8HI): New.
186 (ST_ELEMREV_V16QI): New.
189 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
190 descriptions for VSX_BUILTIN_VEC_XL and VSX_BUILTIN_VEC_XST.
191 * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Map from
192 TARGET_P9_VECTOR to RS6000_BTM_P9_VECTOR.
193 (altivec_expand_builtin): Add handling for
194 VSX_BUILTIN_ST_ELEMREV_<MODE> and VSX_BUILTIN_LD_ELEMREV_<MODE>.
195 (rs6000_invalid_builtin): Add error-checking for
196 RS6000_BTM_P9_VECTOR.
197 (altivec_init_builtins): Define builtins used to implement vec_xl
199 (rs6000_builtin_mask_names): Define power9-vector.
200 * config/rs6000/rs6000.h (MASK_P9_VECTOR): Define.
201 (RS6000_BTM_P9_VECTOR): Define.
202 (RS6000_BTM_COMMON): Include RS6000_BTM_P9_VECTOR.
203 * config/rs6000/vsx.md (vsx_ld_elemrev_v2di): New define_insn.
204 (vsx_ld_elemrev_v2df): Likewise.
205 (vsx_ld_elemrev_v4sf): Likewise.
206 (vsx_ld_elemrev_v4si): Likewise.
207 (vsx_ld_elemrev_v8hi): Likewise.
208 (vsx_ld_elemrev_v16qi): Likewise.
209 (vsx_st_elemrev_v2df): Likewise.
210 (vsx_st_elemrev_v2di): Likewise.
211 (vsx_st_elemrev_v4sf): Likewise.
212 (vsx_st_elemrev_v4si): Likewise.
213 (vsx_st_elemrev_v8hi): Likewise.
214 (vsx_st_elemrev_v16qi): Likewise.
215 * doc/extend.texi: Add prototypes for vec_xl and vec_xst. Correct
218 2016-04-29 Patrick Palka <ppalka@gcc.gnu.org>
220 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Split
222 (simplify_control_stmt_condition_1): ... here. Recurse into
223 BIT_AND_EXPRs and BIT_IOR_EXPRs.
225 2016-04-29 David Edelsohn <dje.gcc@gmail.com>
228 * config/rs6000/rs6000.md (EXTQI): Don't allow extension to HImode.
229 (zero_extendqi<mode>2_dot): Revert earlier conversion from
230 define_insn_and_split to define_insn.
231 (zero_extendqi<mode>2_dot2): Same.
232 (extendqi<mode>2_dot): Same.
233 (extendqi<mode>2_dot2): Same.
235 2016-04-29 Uros Bizjak <ubizjak@gmail.com>
237 * config/i386/i386.md (unspec): Add UNSPEC_PROBE_STACK.
238 (probe_stack): New expander.
239 (probe_stack_<mode>): New insn pattern.
241 2016-04-29 Uros Bizjak <ubizjak@gmail.com>
243 * config/i386/i386.md
244 (operations with memory inputs setting flags peephole2):
245 Remove uneeded REG_P checks. Cleanup pattern generation.
247 2016-04-29 Ilya Enkovich <ilya.enkovich@intel.com>
249 * tree-vect-loop.c (vect_transform_loop): Fix
250 nb_iterations_upper_bound computation for vectorized loop.
252 2016-04-29 Marek Polacek <polacek@redhat.com>
253 Jakub Jelinek <jakub@redhat.com>
256 * fold-const.c (tree_single_nonzero_warnv_p): For TARGET_EXPR, use
257 TARGET_EXPR_SLOT as a base.
259 2016-04-29 Andrew Burgess <andrew.burgess@embecosm.com>
261 * config/arc/arc.md (*loadqi_update): Replace use of 'rI' constraint
262 with 'rCm2' constraints to limit possible immediate size.
263 (*load_zeroextendqisi_update): Likewise.
264 (*load_signextendqisi_update): Likewise.
265 (*loadhi_update): Likewise.
266 (*load_zeroextendhisi_update): Likewise.
267 (*load_signextendhisi_update): Likewise.
268 (*loadsi_update): Likewise.
269 (*loadsf_update): Likewise.
271 2016-04-29 Uros Bizjak <ubizjak@gmail.com>
273 * config/i386/predicates.md (constm1_operand): Fix comparison.
275 2016-04-29 Claudiu Zissulescu <claziss@synopsys.com>
277 * testsuite/gcc.target/arc/ieee_eq.c: New test.
279 2016-04-29 Oleg Endo <olegendo@gcc.gnu.org>
281 * common/config/sh/sh-common.c (sh_option_optimization_table): Remove
282 remaining SH5 related settings.
283 * config/sh/sh-protos.h (shmedia_cleanup_truncate,
284 shmedia_prepare_call_address): Delete.
285 * config/sh/sh.c (sh_print_operand, output_stack_adjust,
286 DWARF_CIE_DATA_ALIGNMENT, LOCAL_ALIGNMENT): Update comments.
287 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC,
288 UNSUPPORTED_SH2A): Remove m5 checks.
289 (sh_divide_strategy_e): Remove SH5 division strategies.
290 (TARGET_PTRMEMFUNC_VBIT_LOCATION): Remove and use default.
291 * config/sh/sh.md (divsf3): Reinstate define_expand pattern.
293 2016-04-29 Dominik Vogt <vogt@linux.vnet.ibm.com>
295 * config/s390/s390.c (s390_rtx_costs): Update documentation.
297 2016-04-29 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
299 * config/s390/2964.md ("z13_unit_fxu", "z13_0"): Remove lder.
300 * config/s390/s390.md ("movsi_larl", "*movsi_esa", "mov<mode>"):
302 * config/s390/vector.md ("mov<mode>"): Likewise.
304 2016-04-29 Ulrich Weigand <uweigand@de.ibm.com>
306 * config/s390/constraints.md ("U", "W"): Invoke
307 s390_mem_constraint with "ZR" and "ZT".
308 * config/s390/s390.c (s390_check_qrst_address): Reject invalid
309 addresses when using LRA. Accept also short displacements for S
310 and T constraints. Do not check for long displacement target for
312 (s390_mem_constraint): Remove handling of U and W constraints.
313 * config/s390/s390.md (various patterns): Remove the short
314 displacement constraints (Q and R) if a long displacement
315 constraint is present. Add longdisp as required CPU capability.
316 * config/s390/vector.md: Likewise.
317 * config/s390/vx-builtins.md: Likewise.
319 2016-04-29 Senthil Kumar Selvaraj <senthil_kumar.selvaraj@atmel.com>
322 * reload1.c (reload): Call finish_spills before
323 restarting reload loop. Skip select_reload_regs
324 if update_eliminables_and_spill returns true.
326 2016-04-29 Claudiu Zissulescu <claziss@synopsys.com>
328 * config/arc/arc.h (UNSIGNED_INT12, UNSIGNED_INT16): Define.
329 * config/arc/arc.md (umulhisi3): Use arc_short_operand predicate.
330 (umulhisi3_imm): Update predicates and constraint letters.
331 (umulhisi3_reg): Declare instruction as commutative.
332 * config/arc/constraints.md (J12, J16): New constraints.
333 * config/arc/predicates.md (short_unsigned_const_operand): New
335 (arc_short_operand): Likewise.
336 * testsuite/gcc.target/arc/umulsihi3_z.c: New file.
338 2016-04-29 Richard Biener <rguenther@suse.de>
340 PR tree-optimization/13962
341 PR tree-optimization/65686
342 * tree-ssa-alias.h (ptrs_compare_unequal): Declare.
343 * tree-ssa-alias.c (ptrs_compare_unequal): New function
344 using PTA to compare pointers.
345 * match.pd: Add pattern for pointer equality compare simplification
346 using ptrs_compare_unequal.
348 2016-04-29 Richard Biener <rguenther@suse.de>
350 * stor-layout.c (layout_type): Do not build a pointer-to-element
353 2016-04-29 Uros Bizjak <ubizjak@gmail.com>
355 * config/i386/i386.md (Load+RegOp to Mov+MemOp peephole2):
356 Use SWI mode iterator. Use general_reg_operand predicate.
357 (Load+RegOp to Mov+MemOp peephole2 with vector regs): Split
358 peephole to MMX and SSE part. Use mmx_reg_operand and sse_reg_operand
361 2016-04-29 Jakub Jelinek <jakub@redhat.com>
364 * fold-const.c (operand_equal_p): Don't verify hash value equality
366 * tree.c (inchash::add_expr): Handle STATEMENT_LIST. Ignore BLOCK
369 2016-04-28 Jakub Jelinek <jakub@redhat.com>
372 * config/i386/i386.c (bdesc_special_args): Add | OPTION_MASK_ISA_64BIT
373 to __builtin_ia32_lwpval64 and __builtin_ia32_lwpins64.
374 (bdesc_args): Add | OPTION_MASK_ISA_64BIT to __builtin_ia32_bextr_u64,
375 __builtin_ia32_bextri_u64, __builtin_ia32_bzhi_di,
376 __builtin_ia32_pdep_di and __builtin_ia32_pext_di.
378 2016-04-28 Segher Boessenkool <segher@kernel.crashing.org>
380 * config/rs6000/rs6000.c (compute_save_world_info): Rename info_ptr
381 to info. Don't initialize separate fields to 0. Clean up
384 2016-04-28 Uros Bizjak <ubizjak@gmail.com>
386 * config/i386/i386.md (peephole2s for operations with memory inputs):
387 Use SWI mode iterator.
388 (peephole2s for operations with memory outputs): Ditto.
389 Do not check for stack checking probe.
391 (probe_stack): Remove expander.
393 2016-04-28 Joern Rennecke <joern.rennecke@embecosm.com>
394 Andrew Burgess <andrew.burgess@embecosm.com>
396 * config/arc/arc.c (arc_print_operand): Print integer 'H' / 'L'
399 2016-04-28 Jason Merrill <jason@redhat.com>
401 * gdbinit.in: Skip line-map.h.
403 2016-04-28 Joern Rennecke <joern.rennecke@embecosm.com>
404 Andrew Burgess <andrew.burgess@embecosm.com>
406 * config/arc/arc.c (arc_conditional_register_usage): Take
407 TARGET_RRQ_CLASS into account.
408 (arc_print_operand): Support printing 'p' and 's' operands.
409 * config/arc/arc.h (TARGET_NPS_BITOPS_DEFAULT): Provide default
411 (TARGET_RRQ_CLASS): Define.
412 (IS_POWEROF2_OR_0_P): Define.
413 * config/arc/arc.md (*movsi_insn): Add w/Clo, w/Chi, and w/Cbi
415 (*tst_movb): New define_insn.
416 (*tst): Avoid recognition if it could prevent '*tst_movb'
417 combination; replace c/CnL with c/Chs alternative.
418 (*tst_bitfield_tst): New define_insn.
419 (*tst_bitfield_asr): New define_insn.
420 (*tst_bitfield): New define_insn.
421 (andsi3_i): Add Rrq variant.
422 (extzv): New define_expand.
423 (insv): New define_expand.
424 (*insv_i): New define_insn.
425 (*movb): New define_insn.
426 (*movb_signed): New define_insn.
427 (*movb_high): New define_insn.
428 (*movb_high_signed): New define_insn.
429 (*movb_high_signed + 1): New define_split pattern.
430 (*mrgb): New define_insn.
431 (*mrgb + 1): New define_peephole2 pattern.
432 (*mrgb + 2): New define_peephole2 pattern.
433 * config/arc/arc.opt (mbitops): New option for nps400, uses
434 TARGET_NPS_BITOPS_DEFAULT.
435 * config/arc/constraints.md (q): Make register class conditional.
436 (Rrq): New register constraint.
437 (Chs): New constraint.
438 (Clo): New constraint.
439 (Chi): New constraint.
440 (Cbf): New constraint.
441 (Cbn): New constraint.
442 (C18): New constraint.
443 (Cbi): New constraint.
445 2016-04-28 Segher Boessenkool <segher@kernel.crashing.org>
447 * cfganal.c (bitmap_intersection_of_succs): Delete assert checking
449 (bitmap_intersection_of_preds): Ditto.
450 (bitmap_union_of_succs): Ditto.
451 (bitmap_union_of_preds): Ditto.
452 * sbitmap.c (do_popcount): Delete.
453 (BITMAP_DEBUGGING): Delete.
454 (sbitmap_verify_popcount): Delete.
455 (sbitmap_alloc): Don't initialize the popcount field.
456 (sbitmap_alloc_with_popcount): Delete.
457 (sbitmap_resize): Don't resize the popcount array.
458 (sbitmap_vector_alloc): Don't initialize the popcount field.
459 (bitmap_copy): Don't copy the popcount array.
460 (bitmap_clear): Don't clear the popcount array.
461 (bitmap_clear): Delete the popcount array handling.
462 (bitmap_ior_and_compl): Delete the popcount assert.
464 (bitmap_and_compl): Ditto.
465 (bitmap_and): Delete the popcount array handling.
468 (bitmap_or_and): Delete the popcount assert.
469 (bitmap_and_or): Ditto.
470 (popcount_table): Delete.
471 (sbitmap_elt_popcount): Delete.
472 * sbitmap.h (simple_bitmap_def): Delete the popcount field.
473 (bitmap_set_bit): Delete the popcount assert.
474 (bitmap_clear_bit): Ditto.
475 (sbitmap_free): Don't free the popcount array.
476 (sbitmap_alloc_with_popcount): Delete declaration.
477 (sbitmap_popcount): Ditto.
479 2016-04-28 Joern Rennecke <joern.rennecke@embecosm.com>
480 Andrew Burgess <andrew.burgess@embecosm.com>
482 * config/arc/arc.h (SYMBOL_FLAG_CMEM): Define.
483 (TARGET_NPS_CMEM_DEFAULT): Provide default definition.
484 * config/arc/arc.c (arc_address_cost): Return 0 for cmem_address.
485 (arc_encode_section_info): Set SYMBOL_FLAG_CMEM where indicated.
486 * config/arc/arc.opt (mcmem): New option.
487 * config/arc/arc.md (*extendqihi2_i): Add r/Uex alternative,
488 supply length for r/m alternative.
489 (*extendqisi2_ac): Likewise.
490 (*extendhisi2_i): Add r/Uex alternative, supply length for r/m and
492 (movqi_insn): Add r/Ucm and Ucm/?Rac alternatives.
493 (movhi_insn): Likewise.
494 (movsi_insn): Add r/Ucm,Ucm/w alternatives.
495 (*zero_extendqihi2_i): Add r/Ucm alternative.
496 (*zero_extendqisi2_ac): Likewise.
497 (*zero_extendhisi2_i): Likewise.
498 * config/arc/constraints.md (Uex): New memory constraint.
499 (Ucm): New define_constraint.
500 * config/arc/predicates.md (long_immediate_loadstore_operand):
501 Return 0 for MEM with cmem_address address.
502 (cmem_address_0): New predicates.
503 (cmem_address_1): Likewise.
504 (cmem_address_2): Likewise.
505 (cmem_address): Likewise.
507 2016-04-28 Segher Boessenkool <segher@kernel.crashing.org>
509 * config/rs6000/rs6000.c (machine_function): Rename
510 insn_chain_scanned_p to spe_insn_chain_scanned_p.
511 (rs6000_stack_info): Adjust.
513 2016-04-28 Joern Rennecke <joern.rennecke@embecosm.com>
514 Andrew Burgess <andrew.burgess@embecosm.com>
516 * config/arc/constraints.md (Usd): Convert to define_constraint.
520 2016-04-28 Jakub Jelinek <jakub@redhat.com>
523 * config/i386/sync.md (define_peephole2 *atomic_fetch_add_cmp<mode>):
524 Add new peephole2 where the first insn is *mov<mode>_or instead of
527 2016-04-28 Segher Boesssenkool <segher@kernel.crashing.org>
529 * tracer.c (bb_seen): Make static.
531 2016-04-28 Andrew Burgess <andrew.burgess@embecosm.com>
533 * common/config/arc/arc-common.c (arc_handle_option): Add NPS400
534 support, setup defaults.
535 * config/arc/arc-opts.h (enum processor_type): Add NPS400.
536 * config/arc/arc.c (arc_init): Add NPS400 support.
537 * config/arc/arc.h (CPP_SPEC): Add NPS400 defines.
538 (TARGET_ARC700): NPS400 is also an ARC700.
539 * config/arc/arc.opt: Add NPS400 options to -mcpu=.
541 2016-04-28 Segher Boessenkool <segher@kernel.crashing.org>
544 * config/nds32/nds32.md (casesi): Don't access the operands array
547 2016-04-28 Uros Bizjak <ubizjak@gmail.com>
549 * config/i386/i386.md (zeroing peephole2): Use general_reg_operand.
550 (or $-1,reg peephole2): Ditto.
551 (strict_low_part zeroing peephole2): Use SWI12 mode iterator.
553 2016-04-28 Markus Trippelsdorf <markus@trippelsdorf.de>
555 * doc/extend.texi (Common Function Attributes) [optimize]:
556 Discourage use of the optimize attribute.
558 2016-04-28 Bill Seurer <seurer@linux.vnet.ibm.com>
560 * config/rs6000/rs6000-builtin.def (vec_adde): Change vec_adde to a
561 special case builtin.
562 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Remove
563 ALTIVEC_BUILTIN_VEC_ADDE.
564 * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Add
565 support for ALTIVEC_BUILTIN_VEC_ADDE.
566 * config/rs6000/rs6000.c (altivec_init_builtins): Add definition
567 for __builtin_vec_adde.
569 2016-04-28 Jakub Jelinek <jakub@redhat.com>
571 * config/i386/i386.md (sse4_1_round<mode>2): Add avx512f alternative.
572 * config/i386/sse.md (sse4_1_round<ssescalarmodesuffix>): Likewise.
574 2016-04-28 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
577 * doc/sourcebuild.texi (Effective-Target Keywords, Other
578 attributes): Document cilkplus_runtime.
580 2016-04-28 Martin Jambor <mjambor@suse.cz>
582 * tree-cfg.c (verify_expr): Verify that local declarations belong to
583 this function. Call verify_expr on MEM_REFs and bases of other
586 2016-04-28 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
588 * internal-fn.c (expand_arith_overflow): Convert preprocessor check
589 for WORD_REGISTER_OPERATIONS to runtime check.
591 2016-04-28 Claudiu Zissulescu <claziss@synopsys.com>
593 * config/arc/arc.h (ASM_SPEC): Pass mfpuda to assembler.
595 2016-04-28 Claudiu Zissulescu <claziss@synopsys.com>
597 * config/arc/arc.c (arc_process_double_reg_moves): Fix for
598 big-endian compilation.
599 * config/arc/arc.md (addf3): Likewise.
603 2016-04-28 Richard Biener <rguenther@suse.de>
605 PR tree-optimization/70840
606 * match.pd: powi(-x, y) and powi(|x|,y) -> powi(x,y) if y is even;
607 Fix pow(copysign(x, y), z) -> pow(x, z) and add powi variant;
608 Mark x * pow(x,c) -> pow(x,c+1) commutative.
609 Add powi(x,y) * powi(z,y) -> powi(x*z,y).
611 2015-04-28 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
613 * config/aarch64/aarch64.h (WORD_REGISTER_OPERATIONS): Define to 0
614 and explain why in a comment.
616 2016-04-28 Claudiu Zissulescu <claziss@synopsys.com>
618 * config/arc/arc.md (cpu_facility): Add fpx variant.
619 (subdf3): Prohibit use reverse sub when assist operations option
621 * config/arc/fpx.md (subdf3_insn, *dsubh_peep2_insn): Allow drsub
622 instructions only when FPX is enabled.
623 * testsuite/gcc.target/arc/trsub.c: New test.
625 2016-04-28 Uros Bizjak <ubizjak@gmail.com>
627 * config/i386/i386.md (*fop_<mode>_1_mixed): Do not check for
628 mult_operator when calculating "type" attribute.
629 (*fop_<mode>_1_i387): Ditto.
630 (*fop_xf_1_i387): Ditto.
631 (x87 stack loads peephole2): Add "reg = op (mem, reg)" peephole2.
632 Use std::swap to swap operands. Use RTL expressions to generate
635 2016-04-28 Claudiu Zissulescu <claziss@synopsys.com>
636 Joern Rennecke <joern.rennecke@embecosm.com>
638 * config/arc/arc-protos.h (arc_legitimize_pic_address): Remove
640 (emit_pic_move): Remove.
641 (arc_eh_uses, insn_is_tls_gd_dispatch): Declare.
642 * config/arc/arc.c (emit_pic_move): Removed.
643 (TARGET_HAVE_TLS): Define.
644 (arc_conditional_register_usage): Test for arc_tp_regno.
645 (arc_print_operand, arc_print_operand_address): Handle TLS
647 (arc_needs_pcl_p): New function.
648 (arc_legitimate_pc_offset_p): Use arc_needs_pcl_p.
649 (arc_legitimate_pic_addr_p): Handle TLS unspecs.
650 (arc_raw_symbolic_reference_mentioned_p): Likewise.
651 (arc_get_tp, arc_emit_call_tls_get_addr): New function.
652 (arc_legitimize_tls_address): Likewise.
653 (DTPOFF_ZERO_SYM): Define.
654 (arc_legitimize_pic_address): Make it static, handle TLS cases.
655 (arc_output_pic_addr_const): Print TLS unspecs.
656 (prepare_pic_move): New function, replaces emit_pic_move.
657 (arc_legitimate_constant_p): Handle TLS unspecs.
658 (arc_legitimate_address_p): Likewise.
659 (arc_rewrite_small_data_p): Use assert for TLS constants.
660 (prepare_move_operands): Use prepare_pic_move.
661 (arc_legitimize_address): Legitimize tls addresses.
662 (arc_epilogue_uses): Check for arc_tp_regno.
663 (arc_eh_uses, insn_is_tls_gd_dispatch): New function.
664 * config/arc/arc.h [DEFAULT_LIBC != LIBC_UCLIBC] (EXTRA_SPECS):
666 [DEFAULT_LIBC != LIBC_UCLIBC] (ARC_TLS_EXTRA_START_SPEC):
668 [DEFAULT_LIBC != LIBC_UCLIBC] (STARTFILE_SPEC): Add
669 %(arc_tls_extra_start_spec).
670 (TARGET_CPU_CPP_BUILTINS): Define __ARC_TLS_REGNO__.
671 (REGNO_OK_FOR_BASE_P): Check for arc_tp_regno.
673 (INSN_REFERENCES_ARE_DELAYED): Use insn_is_tls_gd_dispatch.
674 * config/arc/arc.md (UNSPEC_TLS_GD, UNSPEC_TLS_LD, UNSPEC_TLS_IE)
675 (UNSPEC_TLS_OFF): Add.
677 (tls_load_tp_soft, tls_gd_load, tls_gd_get_addr, tls_gd_dispatch)
678 (get_thread_pointersi): New patterns.
679 * config/arc/arc.opt (mtp-regno): New option.
680 * config/arc/predicates.md (move_src_operand): Handle TLS symbols.
681 (move_dest_operand): Likewise.
682 * configure: Regenerate.
683 * configure.ac: Add arc*-*-* case to test for tls.
684 * doc/invoke.texi (ARC options): Document mtp-regno.
686 2016-04-28 Claudiu Zissulescu <claziss@synopsys.com>
688 * config/arc/arc.c (arc_vector_mode_supported_p): Add support for
689 the new ARC HS SIMD instructions.
690 (arc_preferred_simd_mode): New function.
691 (arc_autovectorize_vector_sizes): Likewise.
692 (TARGET_VECTORIZE_PREFERRED_SIMD_MODE)
693 (TARGET_VECTORIZE_AUTOVECTORIZE_VECTOR_SIZES): Define.
694 (arc_init_reg_tables): Accept new ARC HS SIMD modes.
695 (arc_init_builtins): Add new SIMD builtin types.
696 (arc_split_move): Handle 64 bit vector moves.
697 * config/arc/arc.h (TARGET_PLUS_DMPY, TARGET_PLUS_MACD)
698 (TARGET_PLUS_QMACW): Define.
699 * config/arc/builtins.def (QMACH, QMACHU, QMPYH, QMPYHU, DMACH)
700 (DMACHU, DMPYH, DMPYHU, DMACWH, DMACWHU, VMAC2H, VMAC2HU, VMPY2H)
701 (VMPY2HU, VADDSUB2H, VSUBADD2H, VADDSUB, VSUBADD, VADDSUB4H)
702 (VSUBADD4H): New builtins.
703 * config/arc/simdext.md: Add new ARC HS SIMD instructions.
704 * testsuite/gcc.target/arc/builtin_simdarc.c: New file.
706 2016-04-28 Eduard Sanou <dhole@openmailbox.org>
707 Matthias Klose <doko@debian.org>
709 * doc/cppenv.texi: Document SOURCE_DATE_EPOCH environment variable.
711 2016-04-28 Richard Biener <rguenther@suse.de>
714 * fold-const.c (fold_binary_loc): Remove x*x to pow(x,2.0)
717 2016-04-28 Oleg Endo <olegendo@gcc.gnu.org>
719 * common/config/sh/sh-common.c: Remove SH5 support.
720 * config/sh/constraints.md: Likewise.
721 * config/sh/config/sh/elf.h: Likewise.
722 * config/sh/linux.h: Likewise.
723 * config/sh/netbsd-elf.h: Likewise.
724 * config/sh/predicates.md: Likewise.
725 * config/sh/sh-c.c: Likewise.
726 * config/sh/sh-protos.h: Likewise.
727 * config/sh/sh.c: Likewise.
728 * config/sh/sh.h: Likewise.
729 * config/sh/sh.md: Likewise.
730 * config/sh/sh.opt: Likewise.
731 * config/sh/sync.md: Likewise.
732 * config/sh/sh64.h: Delete.
733 * config/sh/shmedia.h: Likewise.
734 * config/sh/shmedia.md: Likewise.
735 * config/sh/sshmedia.h: Likewise.
736 * config/sh/t-netbsd-sh5-64: Likewise.
737 * config/sh/t-sh64: Likewise.
738 * config/sh/ushmedia.h: Likewise.
740 2016-04-28 Uros Bizjak <ubizjak@gmail.com>
742 * config/i386/i386.md (sign_extend to memory peephole2s): Use
743 general_reg_operand instead of register_operand predicate.
745 2016-04-27 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
747 * params.def (MIN_PARTITION_SIZE): Set default value to 10000.
749 2016-04-27 Marc Glisse <marc.glisse@inria.fr>
751 * match.pd (A - B > A, A + B < A): New transformations.
753 2016-04-27 Patrick Palka <ppalka@gcc.gnu.org>
755 * genattrtab.c (write_test_expr): New parameter EMIT_PARENS
756 which defaults to true. Emit an outer pair of parentheses only if
757 EMIT_PARENS. When continuing a chain of && or || (or & or |),
758 don't emit parentheses for the right-hand operand.
760 2016-04-27 Jeff Law <law@redhat.com>
762 * tree-ssa-dom.c (record_temporary_equivalences): Fix typo in comment.
764 2016-04-27 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
766 * config/rs6000/altivec.md (altivec_lvx_<mode>): Remove.
767 (altivec_lvx_<mode>_internal): Document.
768 (altivec_lvx_<mode>_2op): New define_insn.
769 (altivec_lvx_<mode>_1op): Likewise.
770 (altivec_lvx_<mode>_2op_si): Likewise.
771 (altivec_lvx_<mode>_1op_si): Likewise.
772 (altivec_stvx_<mode>): Remove.
773 (altivec_stvx_<mode>_internal): Document.
774 (altivec_stvx_<mode>_2op): New define_insn.
775 (altivec_stvx_<mode>_1op): Likewise.
776 (altivec_stvx_<mode>_2op_si): Likewise.
777 (altivec_stvx_<mode>_1op_si): Likewise.
778 * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
779 Expand vec_ld and vec_st during parsing.
780 * config/rs6000/rs6000.c (altivec_expand_lvx_be): Commentary
782 (altivec_expand_stvx_be): Likewise.
783 (altivec_expand_lv_builtin): Expand lvx built-ins to expose the
784 address-masking behavior in RTL.
785 (altivec_expand_stv_builtin): Expand stvx built-ins to expose the
786 address-masking behavior in RTL.
787 (altivec_expand_builtin): Change builtin code arguments for calls
788 to altivec_expand_stv_builtin and altivec_expand_lv_builtin.
789 (insn_is_swappable_p): Avoid incorrect swap optimization in the
790 presence of lvx/stvx patterns.
791 (alignment_with_canonical_addr): New function.
792 (alignment_mask): Likewise.
793 (find_alignment_op): Likewise.
794 (recombine_lvx_pattern): Likewise.
795 (recombine_stvx_pattern): Likewise.
796 (recombine_lvx_stvx_patterns): Likewise.
797 (rs6000_analyze_swaps): Perform a pre-pass to recognize lvx and
798 stvx patterns from expand.
799 * config/rs6000/vector.md (vector_altivec_load_<mode>): Use new
801 (vector_altivec_store_<mode>): Likewise.
803 2016-04-26 Evandro Menezes <e.menezes@samsung.com>
805 * config/aarch64/aarch64.md
806 (*movhf_aarch64): Add "movi %0, #0" to zero up register and
807 remove the "fp" attributes.
808 (*movsf_aarch64): Add "movi %0, #0" to zero up register and
809 add the "simd" attributes.
810 (*movdf_aarch64): Likewise.
811 (*movtf_aarch64): Remove the "fp" attributes.
812 * testsuite/gcc.target/aarch64/fmovf-zero-reg.c: Update accordingly.
813 * testsuite/gcc.target/aarch64/fmovd-zero-reg.c: Likewise.
815 2016-04-27 David Malcolm <dmalcolm@redhat.com>
817 * emit-rtl.c (maybe_set_first_label_num): Strengthen param from
818 rtx to rtx_code_label *.
819 * rtl.h (maybe_set_first_label_num): Likewise.
821 2016-04-27 David Malcolm <dmalcolm@redhat.com>
823 * df-core.c (df_add_problem): Make the problem param be const.
824 (df_remove_problem): Make local "problem" be const.
825 * df-problems.c (problem_RD): Make const.
826 (problem_LR): Likewise.
827 (problem_LIVE): Likewise.
828 (problem_MIR): Likewise.
829 (problem_CHAIN): Likewise.
830 (problem_WORD_LR): Likewise.
831 (problem_NOTE): Likewise.
832 (problem_MD): Likewise.
833 * df-scan.c (problem_SCAN): Likewise.
834 * df.h (struct df_problem): Make field "dependent_problem" be
836 (struct dataflow): Likewise for field "problem".
837 (df_add_problem): Make param const.
839 2016-04-27 Uros Bizjak <ubizjak@gmail.com>
841 * config/i386/i386.c (ix86_spill_class): Enable for TARGET_SSE2 when
842 inter-unit moves to/from vector registers are enabled. Do not disable
845 2016-04-27 David Malcolm <dmalcolm@redhat.com>
847 * df.h (DF_SCAN, DF_LR, DF_LIVE, DF_RD, DF_CHAIN, DF_WORD_LR,
848 DF_NOTE, DF_MD, DF_MIR, DF_LAST_PROBLEM_PLUS1): Convert from
850 (enum df_problem_id): ...this new enum.
851 (struct df_problem): Convert field "id" from "int" to
854 2016-04-27 David Malcolm <dmalcolm@redhat.com>
856 * rtl.def: Update comment for "things in the instruction chain" to
857 reflect the removal of the leading "i" field for INSN_UID in
858 r210360. Fix bogus apostrophe.
860 2016-04-27 Uros Bizjak <ubizjak@gmail.com>
862 * config/i386/i386.md
863 (lea arith with mem operand + setcc peephole2): Set operator mode.
865 2016-04-27 H.J. Lu <hongjiu.lu@intel.com>
868 * config/i386/i386.c (scalar_to_vector_candidate_p): Renamed to ...
869 (dimode_scalar_to_vector_candidate_p): This.
870 (timode_scalar_to_vector_candidate_p): New function.
871 (scalar_to_vector_candidate_p): Likewise.
872 (timode_check_non_convertible_regs): Likewise.
873 (timode_remove_non_convertible_regs): Likewise.
874 (remove_non_convertible_regs): Likewise.
875 (remove_non_convertible_regs): Renamed to ...
876 (dimode_remove_non_convertible_regs): This.
877 (scalar_chain::~scalar_chain): Make it virtual.
878 (scalar_chain::compute_convert_gain): Make it pure virtual.
879 (scalar_chain::mark_dual_mode_def): Likewise.
880 (scalar_chain::convert_insn): Likewise.
881 (scalar_chain::convert_registers): Likewise.
882 (scalar_chain::add_to_queue): Make it protected.
883 (scalar_chain::emit_conversion_insns): Likewise.
884 (scalar_chain::replace_with_subreg): Likewise.
885 (scalar_chain::replace_with_subreg_in_insn): Likewise.
886 (scalar_chain::convert_op): Likewise.
887 (scalar_chain::convert_reg): Likewise.
888 (scalar_chain::make_vector_copies): Likewise.
889 (scalar_chain::convert_registers): New pure virtual function.
890 (class dimode_scalar_chain): New class.
891 (class timode_scalar_chain): Likewise.
892 (scalar_chain::mark_dual_mode_def): Renamed to ...
893 (dimode_scalar_chain::mark_dual_mode_def): This.
894 (timode_scalar_chain::mark_dual_mode_def): New function.
895 (timode_scalar_chain::convert_insn): Likewise.
896 (dimode_scalar_chain::convert_registers): Likewise.
897 (scalar_chain::compute_convert_gain): Renamed to ...
898 (dimode_scalar_chain::compute_convert_gain): This.
899 (scalar_chain::replace_with_subreg): Renamed to ...
900 (dimode_scalar_chain::replace_with_subreg): This.
901 (scalar_chain::replace_with_subreg_in_insn): Renamed to ...
902 (dimode_scalar_chain::replace_with_subreg_in_insn): This.
903 (scalar_chain::make_vector_copies): Renamed to ...
904 (dimode_scalar_chain::make_vector_copies): This.
905 (scalar_chain::convert_reg): Renamed to ...
906 (dimode_scalar_chain::convert_reg ): This.
907 (scalar_chain::convert_op): Renamed to ...
908 (dimode_scalar_chain::convert_op): This.
909 (scalar_chain::convert_insn): Renamed to ...
910 (dimode_scalar_chain::convert_insn): This.
911 (scalar_chain::convert): Call convert_registers.
912 (convert_scalars_to_vector): Change to scalar_chain pointer to
913 use timode_scalar_chain in 64-bit mode and dimode_scalar_chain
914 in 32-bit mode. Delete scalar_chain pointer. Call
915 free_dominance_info in 64-bit mode.
916 (pass_stv::gate): Remove TARGET_64BIT check.
917 (ix86_option_override): Put the 64-bit STV pass before the CSE
920 2016-04-27 Pierre-Marie de Rodat <derodat@adacore.com>
922 * dwarf2out.h (struct dw_loc_descr_node): Remove the
923 dw_loc_frame_offset field.
924 * dwarf2out.c (new_loc_descr): Likewise.
925 (resolve_args_picking_1): Turn the VISITED hash set into a
926 FRAME_OFFSET hash map. Use it to associate a frame offset to
927 visited nodes. Remove uses of the CHECKING_P macro.
928 (resolve_args_picking): Update call to resolve_args_picking_1.
930 2016-04-27 Martin Liska <mliska@suse.cz>
932 * tree-ssa-loop-ivopts.c (iv_ca_dump): Fix level of indentation.
933 (free_loop_data): Release vuses of groups.
935 2016-04-27 Bin Cheng <bin.cheng@arm.com>
937 * tree-ssa-loop-ivopts.c (struct iv): Use pointer to struct iv_use
938 instead of redundant use_id and boolean have_use_for.
939 (struct iv_use): Change sub_id into group_id. Remove field next.
940 Move fields: related_cands, n_map_members, cost_map and selected
942 (struct iv_group): ... here. New structure.
943 (struct iv_common_cand): Use structure declaration directly.
944 (struct ivopts_data, iv_ca, iv_ca_delta): Rename fields.
945 (MAX_CONSIDERED_USES): Rename macro to ...
946 (MAX_CONSIDERED_GROUPS): ... here.
947 (n_iv_uses, iv_use, n_iv_cands, iv_cand): Delete.
948 (dump_iv, dump_use, dump_cand): Refactor format of dump information.
949 (dump_uses): Rename to ...
950 (dump_groups): ... here. Update all uses.
951 (tree_ssa_iv_optimize_init, alloc_iv): Update all uses.
952 (find_induction_variables): Refactor format of dump information.
953 (record_sub_use): Delete.
954 (record_use): Update all uses.
955 (record_group): New function.
956 (record_group_use, find_interesting_uses_op): Call above functions.
958 (find_interesting_uses_cond): Ditto.
959 (group_compare_offset): New function.
960 (split_all_small_groups): Rename to ...
961 (split_small_address_groups_p): ... here. Update all uses.
962 (split_address_groups): Update all uses.
963 (find_interesting_uses): Refactor format of dump information.
964 (add_candidate_1): Update all uses. Remove redundant check on iv,
966 (add_candidate, record_common_cand): Remove redundant assert.
967 (add_iv_candidate_for_biv): Update use.
968 (add_iv_candidate_derived_from_uses): Update all uses.
969 (add_iv_candidate_for_groups, record_important_candidates): Ditto.
970 (alloc_use_cost_map): Ditto.
971 (set_use_iv_cost, get_use_iv_cost): Rename to ...
972 (set_group_iv_cost, get_group_iv_cost): ... here. Update all uses.
973 (determine_use_iv_cost_generic): Ditto.
974 (determine_group_iv_cost_generic): Ditto.
975 (determine_use_iv_cost_address): Ditto.
976 (determine_group_iv_cost_address): Ditto.
977 (determine_use_iv_cost_condition): Ditto.
978 (determine_group_iv_cost_cond): Ditto.
979 (determine_use_iv_cost): Ditto.
980 (determine_group_iv_cost): Ditto.
981 (set_autoinc_for_original_candidates): Update all uses.
982 (find_iv_candidates): Update all uses. Refactor dump information.
983 (determine_use_iv_costs): Ditto.
984 (determine_iv_costs): Ditto.
985 (iv_ca_cand_for_use): Rename to ...
986 (iv_ca_cand_for_group): ... here. Update all uses.
987 (iv_ca_add_use, iv_ca_add_group): Ditto.
988 (iv_ca_set_cp, iv_ca_cost, iv_ca_delta_add): Update all uses.
989 (iv_ca_delta_join, iv_ca_delta_reverse, iv_ca_delta_free): Ditto.
990 (iv_ca_new, iv_ca_dump, iv_ca_extend, iv_ca_narrow): Ditto.
991 (iv_ca_prune, cheaper_cost_with_cand, iv_ca_replace): Ditto.
992 (try_add_cand_for, try_improve_iv_set, find_optimal_iv_set): Ditto.
993 (create_new_iv, adjust_iv_update_pos): Ditto.
994 (rewrite_use_address): Delete.
995 (rewrite_use_address_1): Rename to ...
996 (rewrite_use_address): ... here.
997 (rewrite_use_compare): Update all uses.
998 (rewrite_use): Delete.
999 (rewrite_uses): Rename to ...
1000 (rewrite_groups): ... here. Update all uses.
1001 (remove_unused_ivs, free_loop_data): Update all uses.
1002 (tree_ssa_iv_optimize_finalize, tree_ssa_iv_optimize_loop): Ditto.
1004 2016-04-27 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1006 * rtlanal.c (nonzero_bits1): Convert preprocessor check
1007 for WORD_REGISTER_OPERATIONS to runtime check.
1009 2016-04-27 Richard Biener <rguenther@suse.de>
1012 * tree-ssa-structalias.c (find_func_aliases_for_call): Use
1013 aggregate_value_p to determine if a function result is
1014 returned by reference.
1015 (ipa_pta_execute): Functions having their address taken are
1016 not automatically nonlocal.
1018 2016-04-27 Jakub Jelinek <jakub@redhat.com>
1021 * tree-core.h (enum operand_equal_flag): Add OEP_NO_HASH_CHECK.
1022 * fold-const.c (operand_equal_p): If flag_checking and
1023 OEP_NO_HASH_CHECK is not set in flag, recurse with OEP_NO_HASH_CHECK
1024 and if it returns non-zero, assert iterative_hash_expr on both
1027 2016-04-27 Bernd Schmidt <bschmidt@redhat.com>
1029 * doc/invoke.texi (-frename-registers): Also enabled at -Os.
1031 2016-04-27 Nick Clifton <nickc@redhat.com>
1034 * varasm.c (merge_weak): Generate an error if an attempt is made
1035 to convert a non-weak static function into a weak, public function.
1037 2016-04-27 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
1039 * params.def (MAX_PARTITION_SIZE): New param.
1040 * doc/invoke.texi: Document lto-max-partition.
1042 2016-04-27 Richard Biener <rguenther@suse.de>
1045 * tree-ssa-structalias.c (refered_from_nonlocal_fn): New
1046 function cummulating used_from_other_partition, externally_visible
1047 and force_output from aliases.
1048 (refered_from_nonlocal_var): Likewise.
1049 (ipa_pta_execute): Use call_for_symbol_and_aliases to cummulate
1050 node flags properly.
1052 2016-04-27 Bernd Schmidt <bschmidt@redhat.com>
1054 * doc/invoke.texi (Warning Options): Add -Wmemset-elt-size.
1055 (-Wmemset-elt-size): New item.
1057 2016-04-27 Eric Botcazou <ebotcazou@adacore.com>
1060 * stor-layout.h (internal_reference_types): Delete.
1061 * stor-layout.c (reference_types_internal): Likewise.
1062 (internal_reference_types): Likewise.
1063 (layout_type) <REFERENCE_TYPE>: Adjust.
1065 2016-04-27 Jakub Jelinek <jakub@redhat.com>
1068 * tree.h (inchash::add_expr): Add FLAGS argument.
1069 * tree.c (inchash::add_expr): Likewise. If not OEP_ADDRESS_OF,
1070 use STRIP_NOPS first. For INTEGER_CST assert not OEP_ADDRESS_OF.
1071 For REAL_CST and !HONOR_SIGNED_ZEROS (t) hash +/- 0 the same.
1072 Formatting fix. Adjust recursive calls. For tcc_comparison,
1073 if swap_tree_comparison (code) is smaller than code, hash that
1074 and arguments in the other order. Hash CONVERT_EXPR the same
1075 as NOP_EXPR. For OEP_ADDRESS_OF hash MEM_REF with 0 offset
1076 of ADDR_EXPR of decl as the decl itself. Add or remove
1077 OEP_ADDRESS_OF from recursive flags as needed. For
1078 FMA_EXPR, WIDEN_MULT_{PLUS,MINUS}_EXPR hash the first two
1079 operands commutatively and only the third one normally.
1080 For internal CALL_EXPR hash in CALL_EXPR_IFN.
1082 2016-04-27 Sebastian Huber <sebastian.huber@embedded-brains.de>
1084 * config/rtems.h (LIB_SPEC): Add -latomic.
1086 2016-04-27 Joel Sherrill <joel@rtems.org>
1088 * config/microblaze/rtems.h: Redefine LINK_SPEC to avoid
1089 xilink.ld and flags not relevant to RTEMS.
1091 2016-04-26 Zhouyi Zhou <yizhouzhou@ict.ac.cn>
1093 * toplev.c (backend_init_target): Avoid calling init_reload when using
1096 2016-04-26 Jakub Jelinek <jakub@redhat.com>
1098 * reorg.c (try_merge_delay_insns): Declare i and j inside the
1099 for loops rather than one for the whole function.
1101 2016-04-26 Marc Glisse <marc.glisse@inria.fr>
1103 * match.pd (X + CST CMP X): New transformation.
1105 2016-04-26 Marc Glisse <marc.glisse@inria.fr>
1107 * genmatch.c (write_predicate): Add ATTRIBUTE_UNUSED.
1108 * fold-const.c (fold_binary_loc): Remove 2 transformations
1109 superseded by match.pd.
1110 * match.pd (x+x -> x*2): Generalize to integers.
1112 2016-04-26 Bernd Schmidt <bschmidt@redhat.com>
1114 * config/i386/i386.md (operation on memory peephole): Duplicate an
1115 existing peephole and adapt it to match lea rather than an operation
1118 PR rtl-optimization/57193
1119 * opts.c (default_options_table): Add OPT_frename_registers at -O2
1121 * doc/invoke.texi (-frename-registers, -O2): Update documentation.
1123 2016-04-26 Bin Cheng <bin.cheng@arm.com>
1125 * tree-if-conv.c (any_pred_load_store): New static variable.
1126 (if_convertible_gimple_assign_stmt_p): Remove parameter. Use
1127 any_pred_load_store instead of and_mask_load_store.
1128 (if_convertible_stmt_p, if_convertible_loop_p_1): Ditto.
1129 (if_convertible_loop_p, insert_gimplified_predicates): Ditto.
1130 (combine_blocks, tree_if_conversion): Ditto.
1132 2016-04-26 Bin Cheng <bin.cheng@arm.com>
1134 PR tree-optimization/70771
1135 PR tree-optimization/70775
1136 * tree-if-conv.c (if_convertible_phi_p): Remove check on special
1137 virtual PHI nodes. Delete parameter.
1138 (if_convertible_loop_p_1): Delete argument to above function.
1139 (predicate_all_scalar_phis): Delete code handling single-argument
1141 (tree_if_conversion): Mark and update virtual SSA.
1143 2016-04-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1146 * config/i386/i386.c (LARGECOMM_SECTION_ASM_OP): Define default.
1147 (x86_elf_aligned_common): Rename to ...
1148 (x86_elf_aligned_decl_common): ... this.
1149 Add decl arg. Switch to .lbss for largecomm object. Use
1150 LARGECOMM_SECTION_ASM_OP.
1151 * config/i386/i386-protos.h (x86_elf_aligned_common): Reflect
1153 * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_COMMON): Rename to ...
1154 (ASM_OUTPUT_ALIGNED_DECL_COMMON): ... this.
1156 * config/i386/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
1157 [!USE_GAS] (LARGECOMM_SECTION_ASM_OP): Define.
1159 2016-04-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1162 * config/i386/i386.c (SECTION_LARGE): Define.
1163 (x86_64_elf_select_section): Set it for large data/bss sections.
1164 Only clear SECTION_WRITE for .lrodata.
1165 (x86_64_elf_section_type_flags): Set SECTION_LARGE for large
1167 * config/i386/sol2.h (MACH_DEP_SECTION_ASM_FLAG): Define.
1168 * varasm.c (default_elf_asm_named_section): Grow flagchars.
1169 [MACH_DEP_SECTION_ASM_FLAG] Emit MACH_DEP_SECTION_ASM_FLAG for
1171 * doc/tm.texi.in (Sections, MACH_DEP_SECTION_ASM_FLAG): Describe.
1172 * doc/tm.texi: Regenerate.
1174 2016-04-26 Jakub Jelinek <jakub@redhat.com>
1177 * configure.ac (--enable-checking): Document extra flag, for
1178 non-release builds default to --enable-checking=yes,extra.
1179 If misc checking and extra checking, define CHECKING_P to 2 instead
1181 * common.opt (fchecking=): Add.
1182 * doc/invoke.texi (-fchecking=): Document.
1183 * doc/install.texi: Document --enable-checking changes.
1184 * configure: Regenerated.
1185 * config.in: Regenerated.
1187 2016-04-25 Uros Bizjak <ubizjak@gmail.com>
1189 * config/i386/i386.md (*movxi_internal_avx512f): Use insn type
1190 attribute instead of which_alternative.
1191 * config/i386/sse.md (*mov<mode>_internal): Ditto.
1192 Use EXT_REX_SSE_REG_P where appropriate.
1194 2016-04-25 Uros Bizjak <ubizjak@gmail.com>
1196 * config/i386/predicates.md (const0_operand): Do not match
1197 const_wide_int code.
1198 (const1_operand): Ditto.
1200 2016-04-25 Uros Bizjak <ubizjak@gmail.com>
1202 * config/i386/i386.md (*movoi_internal_avx): Set mode attribute to XI
1203 for SSE constm1 operands and TARGET_AVX512VL.
1204 (*movti_internal): Ditto.
1205 (*mov<mode>_or): Use constm1_operand predicate.
1206 * config/i386/sse.md (*mov<mode>_internal): Set mode attribute to XI
1207 for SSE vector_all_ones operands and TARGET_AVX512VL.
1208 * config/i386/predicates.md (constm1_operand): New predicate.
1209 * config/i386/i386.c (standard_sse_constant_opcode): Simplify
1210 emission of constant -1 load.
1212 2016-04-25 Jason Merrill <jason@redhat.com>
1214 * gdbinit.in: Skip is-a.h.
1216 * attribs.c (register_scoped_attributes): Fix logic.
1217 * attribs.h: Declare register_scoped_attributes.
1219 2016-04-25 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1221 * config/rs6000/rs6000-builtin.def: Correct pasto error for
1222 stxvd2x and stxvw4x built-in functions.
1224 2016-04-25 DJ Delorie <dj@redhat.com>
1226 * config/msp430/msp430.md (ashlhi3): Optimize one bit shifts.
1227 (ashrhi3): Likewise.
1228 (lshrhi3): Likewise.
1230 2016-04-25 Richard Biener <rguenther@suse.de>
1232 PR tree-optimization/70780
1233 * tree-ssa-pre.c (compute_antic_aux): Also return true if the block
1235 (compute_antic): Mark blocks with abnormal preds as visited as
1236 they have a final empty antic-in solution already.
1238 2016-04-25 Michael Collison <michael.collison@linaro.org>
1240 * ChangeLog(2016-04-25): Fix ChangeLog formatting.
1242 2016-04-25 Michael Collison <michael.collison@linaro.org>
1244 * config/arm/neon.md (widen_<us>sum<mode>): New patterns where
1245 mode is VQI to improve mixed mode vectorization.
1246 * config/arm/neon.md (vec_sel_widen_ssum_lo<VQI:mode><VW:mode>3): New
1247 define_insn to match low half of signed vaddw.
1248 * config/arm/neon.md (vec_sel_widen_ssum_hi<VQI:mode><VW:mode>3): New
1249 define_insn to match high half of signed vaddw.
1250 * config/arm/neon.md (vec_sel_widen_usum_lo<VQI:mode><VW:mode>3): New
1251 define_insn to match low half of unsigned vaddw.
1252 * config/arm/neon.md (vec_sel_widen_usum_hi<VQI:mode><VW:mode>3): New
1253 define_insn to match high half of unsigned vaddw.
1254 * config/arm/arm.c (arm_simd_vect_par_cnst_half): New function.
1255 (arm_simd_check_vect_par_cnst_half_p): Likewise.
1256 * config/arm/arm-protos.h (arm_simd_vect_par_cnst_half): Prototype
1258 (arm_simd_check_vect_par_cnst_half_p): Likewise.
1259 * config/arm/predicates.md (vect_par_constant_high): Support
1260 big endian and simplify by calling
1261 arm_simd_check_vect_par_cnst_half
1262 (vect_par_constant_low): Likewise.
1264 2016-04-25 Uros Bizjak <ubizjak@gmail.com>
1266 * config/i386/i386.md (*lea<mode>_general_4): Use const_0_to_3_operand
1267 predicate for operand 2.
1269 2016-04-24 Uros Bizjak <ubizjak@gmail.com>
1270 H.J. Lu <hongjiu.lu@intel.com>
1272 * config/i386/i386-protos.h (standard_sse_constant_p): Add
1273 machine_mode argument.
1274 * config/i386/i386.c (standard_sse_constant_p): Return 2 for
1275 constm1_rtx operands. For VOIDmode constants, get mode from
1276 pred_mode. Check mode size if the mode is supported by ABI.
1277 (standard_sse_constant_opcode): Do not use standard_constant_p.
1278 Strictly check ABI support for all-ones operands.
1279 (ix86_legitimate_constant_p): Handle TImode, OImode and XImode
1280 immediates. Update calls to standard_sse_constant_p.
1281 (ix86_expand_vector_move): Update calls to standard_sse_constant_p.
1282 (ix86_rtx_costs): Ditto.
1283 * config/i386/i386.md (*movxi_internal_avx512f): Use
1284 nonimmediate_or_sse_const_operand instead of vector_move_operand.
1285 Use (v,BC) alternative instead of (v,C). Use register_operand
1286 checks instead of MEM_P.
1287 (*movoi_internal_avx): Use nonimmediate_or_sse_const_operand instead
1288 of vector_move_operand. Add (v,BC) alternative and corresponding avx2
1289 isa attribute. Use register_operand checks instead of MEM_P.
1290 (*movti_internal): Use nonimmediate_or_sse_const_operand for
1291 TARGET_SSE. Improve TARGET_SSE insn constraint. Add (v,BC)
1292 alternative and corresponding sse2 isa attribute.
1293 (*movtf_internal, *movdf_internal, *movsf_interal): Update calls
1294 to standard_sse_constant_p.
1295 (FP constant splitters): Ditto.
1296 * config/i386/constraints.md (BC): Do not use standard_sse_constant_p.
1298 * config/i386/predicates.md (constm1_operand): Remove.
1299 (nonimmediate_or_sse_const_operand): Rewrite using RTX.
1300 * config/i386/sse.md (*<avx512>_cvtmask2<ssemodesuffix><mode>): Use
1301 vector_all_ones_operand instead of constm1_operand.
1303 2016-04-24 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
1305 * print-rtl.c (print_rtx_insn_vec): New function.
1306 * print-rtl.h: New prototype.
1307 * store-motion.c (struct st_expr): Make avail_stores a vector.
1308 (st_expr_entry): Adjust.
1309 (free_st_expr_entry): Likewise.
1310 (print_store_motion_mems): Likewise.
1311 (find_moveable_store): Likewise.
1312 (compute_store_table): Likewise.
1313 (delete_store): Likewise.
1314 (build_store_vectors): Likewise.
1316 2016-04-24 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
1318 * reorg.c (try_merge_delay_insns): Make merged_insns a vector.
1320 2016-04-24 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
1322 * vec.h (vec_safe_contains): New function.
1323 (vec::contains): Likewise.
1324 (vec::begin): Likewise.
1325 (vec::end): Likewise.
1327 2016-04-23 Jakub Jelinek <jakub@redhat.com>
1330 * cfgexpand.c (expand_stack_vars): Fix typo.
1332 2016-04-22 Szabolcs Nagy <szabolcs.nagy@arm.com>
1334 * system.h (list, map, set, vector): Include conditionally.
1335 * auto-profile.c (INCLUDE_MAP, INCLUDE_SET): Define.
1336 * graphite-isl-ast-to-gimple.c (INCLUDE_MAP): Define.
1337 * ipa-icf.c (INCLUDE_LIST): Define.
1338 * config/aarch64/cortex-a57-fma-steering.c (INCLUDE_LIST): Define.
1339 * config/sh/sh.c (INCLUDE_VECTOR): Define.
1340 * config/sh/sh_treg_combine.cc (INCLUDE_ALGORITHM): Define.
1341 (INCLUDE_LIST, INCLUDE_VECTOR): Define.
1342 * cp/logic.cc (INCLUDE_LIST): Define.
1343 * fortran/trans-common.c (INCLUDE_MAP): Define.
1345 2016-04-22 Szabolcs Nagy <szabolcs.nagy@arm.com>
1347 * auto-profile.c: Remove <string.h> include.
1348 * ipa-icf-gimple.c: Remove <list> include.
1349 * diagnostic.c: Remove <new> include.
1350 * genmatch.c: Likewise.
1351 * pretty-print.c: Likewise.
1352 * toplev.c: Likewise
1353 * c/c-objc-common.c: Likewise.
1354 * cp/error.c: Likewise.
1355 * fortran/error.c: Likewise.
1357 2016-04-22 Richard Biener <rguenther@suse.de>
1359 * lto-streamer-in.c (input_ssa_names): Do not allocate
1360 GIMPLE_NOP for all SSA names.
1361 * lto-streamer-out.c (output_ssa_names): Do not output
1362 SSA names that should have been released.
1364 2016-04-22 Richard Biener <rguenther@suse.de>
1366 PR tree-optimization/70740
1367 * tree-ssa-phiprop.c (propagate_with_phi): Handle inserted
1370 2016-04-21 H.J. Lu <hongjiu.lu@intel.com>
1373 * config/i386/predicates.md (call_insn_operand): Replace
1374 sibcall_memory_operand with memory_operand.
1376 2016-04-21 Patrick Palka <ppalka@gcc.gnu.org>
1378 * tree-vrp.c (register_edge_assert_for_2): Remove redundant
1379 has_single_use() tests.
1380 (register_edge_assert_for_1): Likewise.
1381 (find_assert_locations_1): Check the liveness bitmap instead of
1382 checking has_single_use().
1384 2016-04-21 Kirill Yukhin <kirill.yukhin@intel.com>
1387 * gcc/config/i386/sse.md (define_insn "<shift_insn><mode>3<mask_name>"):
1388 Extract AVX-512BW constraint from AVX.
1390 2016-04-21 Richard Biener <rguenther@suse.de>
1392 PR tree-optimization/70725
1393 * tree-if-conv.c (if_convertible_phi_p): Adjust guard
1394 for phi_convertible_by_degenerating_args.
1395 (predicate_all_scalar_phis): Handle single-argument PHIs.
1397 2016-04-21 Richard Biener <rguenther@suse.de>
1400 * fold-const.c (fold_comparison): Return properly typed
1403 2016-04-21 Bin Cheng <bin.cheng@arm.com>
1405 PR tree-optimization/70715
1406 * tree-ssa-loop-niter.c (loop_exits_before_overflow): Check equality
1407 after expanding BASE using expand_simple_operations.
1409 2016-04-21 Marc Glisse <marc.glisse@inria.fr>
1411 * match.pd (min(-x, -y), max(-x, -y), min(~x, ~y), max(~x, ~y)):
1412 New transformations.
1414 2016-04-21 Marc Glisse <marc.glisse@inria.fr>
1416 * match.pd (min(int_max, x), max(int_min, x)): New transformations.
1418 2016-04-20 Jan Hubicka <jh@suse.cz>
1420 * ipa-inline.c (can_inline_edge_p): Pass caller info to
1421 ultiimate_alias_target.
1422 (update_callee_keys): Likewise.
1423 (lookup_recursive_calls): Likewise.
1424 (speculation_useful_p): Likewise.
1426 2016-04-20 Jan Hubicka <jh@suse.cz>
1429 * cgraph.c (cgraph_set_nothrow_flag_1): Rename to ...
1430 (set_nothrow_flag_1): ... this; handle interposition correctly;
1431 recurse on aliases and thunks.
1432 (cgraph_node::set_nothrow_flag): New.
1433 * ipa-pure-const.c (ignore_edge_for_nothrow): Ignore calls to
1434 functions compiled with non-call exceptions that binds to current
1436 (propagate_nothrow): Be safe WRT interposition.
1437 * cgraph.h (set_nothrow_flag): Update prototype.
1439 2016-04-18 Jan Hubicka <jh@suse.cz>
1441 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
1442 max_loop_iterations_int.
1443 (tree_unswitch_outer_loop): Likewise.
1445 2016-04-20 Bin Cheng <bin.cheng@arm.com>
1447 PR tree-optimization/69489
1448 * tree-if-conv.c (phi_convertible_by_degenerating_args): New.
1449 (if_convertible_phi_p): Call phi_convertible_by_degenerating_args.
1450 Revise dump message.
1451 (if_convertible_bb_p): Remove check on edge count of basic block's
1454 2016-04-20 Bin Cheng <bin.cheng@arm.com>
1456 PR tree-optimization/56625
1457 PR tree-optimization/69489
1458 * tree-data-ref.h (DR_INNERMOST): New macro.
1459 * tree-if-conv.c (innermost_loop_behavior_hash): New class for
1460 hashing struct innermost_loop_behavior.
1461 (ref_DR_map): Remove.
1462 (innermost_DR_map): New map.
1463 (baseref_DR_map): Revise comment.
1464 (hash_memrefs_baserefs_and_store_DRs_read_written_info): Store DR
1465 to innermost_DR_map accroding to its innermost loop behavior.
1466 (ifcvt_memrefs_wont_trap): Get DR from innermost_DR_map according
1467 to its innermost loop behavior.
1468 (if_convertible_loop_p_1): Remove intialization for ref_DR_map.
1469 Add initialization for innermost_DR_map. Record memory reference
1470 in DR_BASE_ADDRESS if the reference is compound one or it doesn't
1471 have innermost loop behavior.
1472 (if_convertible_loop_p): Remove release for ref_DR_map. Release
1475 2016-04-20 Uros Bizjak <ubizjak@gmail.com>
1477 * config/i386/i386.md (*lea<mode>_general_1): Rename from
1478 *lea_general_1. Use explicit SWI12 mode interator.
1479 (*lea<mode>_general_2): Rename from *lea_general_2.
1480 Use explicit SWI12 mode interator.
1481 (*lea<mode>_general_3): Rename from *lea_general_3.
1482 Use explicit SWI12 mode interator.
1483 (*lea<SWI12:mode>_general_4): Split from *lea_general_4.
1484 Use explicit SWI12 mode interator.
1485 (*lea<SWI48:mode>_general_4): Split from *lea_general_4.
1486 Use explicit SWI48 mode interator.
1488 2016-04-20 H.J. Lu <hongjiu.lu@intel.com>
1490 * config/i386/i386.c (ix86_avx256_split_vector_move_misalign):
1491 Short-cut unaligned load and store cases. Handle all integer
1493 (ix86_expand_vector_move_misalign): Short-cut unaligned load
1494 and store cases. Call ix86_avx256_split_vector_move_misalign
1495 directly without checking mode class.
1497 2016-04-20 Andrew Pinski <apinski@cavium.com>
1498 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1501 * config/aarch64/aarch64.md (sibcall): Force call
1502 address to be DImode for ILP32.
1503 (sibcall_value): Likewise.
1505 2016-04-20 H.J. Lu <hongjiu.lu@intel.com>
1507 * doc/invoke.texi: Replace -skip-rax-setup with -mskip-rax-setup.
1509 2016-04-20 Richard Biener <rguenther@suse.de>
1511 * gimple-match.h (maybe_build_generic_op): Adjust prototype.
1512 * gimple-match-head.c (maybe_build_generic_op): Pass all ops
1513 by reference, clear op1 and op2 when GENERICizing BIT_FIELD_REF.
1514 (maybe_push_res_to_seq): Adjust.
1515 * gimple-fold.c (maybe_build_generic_op): Likewise.
1517 2016-04-20 Marek Polacek <polacek@redhat.com>
1519 * tree-if-conv.c (is_false_predicate): For NULL_TREE return false
1522 2016-04-20 Ilya Enkovich <ilya.enkovich@intel.com>
1524 * config/i386/sse.md (vec_unpacks_lo_hi): Always
1525 use kmovw to support AVX512F target.
1527 2016-04-20 Bin Cheng <bin.cheng@arm.com>
1529 * tree-scalar-evolution.c (interpret_rhs_expr): Handle BIT_AND_EXPR.
1531 2016-04-20 Marek Polacek <polacek@redhat.com>
1533 PR tree-optimization/70725
1534 * tree-if-conv.c (is_false_predicate): New function.
1535 (predicate_mem_writes): Use it.
1537 2016-04-20 Richard Biener <rguenther@suse.de>
1539 PR tree-optimization/70726
1540 * tree-vect-stmts.c (vectorizable_shift): Do not use scalar
1541 shift amounts from a pattern stmt operand.
1543 2016-04-20 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
1546 * config/s390/s390.c (s390_restore_gprs_from_fprs): Pick the new
1547 stack_restore_from_fpr pattern when restoring r15.
1548 (s390_optimize_prologue): Strip away the memory barrier in the
1549 parallel when trying to get rid of restore insns.
1550 * config/s390/s390.md ("stack_restore_from_fpr"): New insn
1551 definition for loading the stack pointer from an FPR. Compared to
1552 the normal move insn this pattern includes a full memory barrier.
1554 2016-04-19 Jakub Jelinek <jakub@redhat.com>
1557 * gimplify.c (gimplify_omp_for): Call omp_notice_variable for
1558 implicitly linear or lastprivate iterator on the outer context.
1560 2016-04-19 H.J. Lu <hongjiu.lu@intel.com>
1562 * config/i386/i386.c (ix86_legitimate_combined_insn): Remove
1564 * config/i386/i386.md (ssememalign): Removed.
1565 * config/i386/sse.md: Remove ssememalign attribute from patterns.
1567 2016-04-19 H.J. Lu <hongjiu.lu@intel.com>
1570 * config/i386/avx512bwintrin.h (_mm512_mask_loadu_epi16): Pass
1571 const short * to __builtin_ia32_loaddquhi512_mask.
1572 (_mm512_maskz_loadu_epi16): Likewise.
1573 (_mm512_mask_storeu_epi16): Pass short * to
1574 __builtin_ia32_storedquhi512_mask.
1575 (_mm512_mask_loadu_epi8): Pass const char * to
1576 __builtin_ia32_loaddquqi512_mask.
1577 (_mm512_maskz_loadu_epi8): Likewise.
1578 (_mm512_mask_storeu_epi8): Pass char * to
1579 __builtin_ia32_storedquqi512_mask.
1580 * config/i386/avx512fintrin.h (_mm512_loadu_pd): Pass
1581 const double * to __builtin_ia32_loadupd512_mask.
1582 (_mm512_mask_loadu_pd): Likewise.
1583 (_mm512_maskz_loadu_pd): Likewise.
1584 (_mm512_storeu_pd): Pass double * to
1585 __builtin_ia32_storeupd512_mask.
1586 (_mm512_mask_storeu_pd): Likewise.
1587 (_mm512_loadu_ps): Pass const float * to
1588 __builtin_ia32_loadups512_mask.
1589 (_mm512_mask_loadu_ps): Likewise.
1590 (_mm512_maskz_loadu_ps): Likewise.
1591 (_mm512_storeu_ps): Pass float * to
1592 __builtin_ia32_storeups512_mask.
1593 (_mm512_mask_storeu_ps): Likewise.
1594 (_mm512_mask_loadu_epi64): Pass const long long * to
1595 __builtin_ia32_loaddqudi512_mask.
1596 (_mm512_maskz_loadu_epi64): Likewise.
1597 (_mm512_mask_storeu_epi64): Pass long long *
1598 to __builtin_ia32_storedqudi512_mask.
1599 (_mm512_loadu_si512): Pass const int * to
1600 __builtin_ia32_loaddqusi512_mask.
1601 (_mm512_mask_loadu_epi32): Likewise.
1602 (_mm512_maskz_loadu_epi32): Likewise.
1603 (_mm512_storeu_si512): Pass int * to
1604 __builtin_ia32_storedqusi512_mask.
1605 (_mm512_mask_storeu_epi32): Likewise.
1606 * config/i386/avx512vlbwintrin.h (_mm256_mask_storeu_epi8): Pass
1607 char * to __builtin_ia32_storedquqi256_mask.
1608 (_mm_mask_storeu_epi8): Likewise.
1609 (_mm256_mask_loadu_epi16): Pass const short * to
1610 __builtin_ia32_loaddquhi256_mask.
1611 (_mm256_maskz_loadu_epi16): Likewise.
1612 (_mm_mask_loadu_epi16): Pass const short * to
1613 __builtin_ia32_loaddquhi128_mask.
1614 (_mm_maskz_loadu_epi16): Likewise.
1615 (_mm256_mask_loadu_epi8): Pass const char * to
1616 __builtin_ia32_loaddquqi256_mask.
1617 (_mm256_maskz_loadu_epi8): Likewise.
1618 (_mm_mask_loadu_epi8): Pass const char * to
1619 __builtin_ia32_loaddquqi128_mask.
1620 (_mm_maskz_loadu_epi8): Likewise.
1621 (_mm256_mask_storeu_epi16): Pass short * to.
1622 __builtin_ia32_storedquhi256_mask.
1623 (_mm_mask_storeu_epi16): Pass short * to.
1624 __builtin_ia32_storedquhi128_mask.
1625 * config/i386/avx512vlintrin.h (_mm256_mask_loadu_pd): Pass
1626 const double * to __builtin_ia32_loadupd256_mask.
1627 (_mm256_maskz_loadu_pd): Likewise.
1628 (_mm_mask_loadu_pd): Pass onst double * to
1629 __builtin_ia32_loadupd128_mask.
1630 (_mm_maskz_loadu_pd): Likewise.
1631 (_mm256_mask_storeu_pd): Pass double * to
1632 __builtin_ia32_storeupd256_mask.
1633 (_mm_mask_storeu_pd): Pass double * to
1634 __builtin_ia32_storeupd128_mask.
1635 (_mm256_mask_loadu_ps): Pass const float * to
1636 __builtin_ia32_loadups256_mask.
1637 (_mm256_maskz_loadu_ps): Likewise.
1638 (_mm_mask_loadu_ps): Pass const float * to
1639 __builtin_ia32_loadups128_mask.
1640 (_mm_maskz_loadu_ps): Likewise.
1641 (_mm256_mask_storeu_ps): Pass float * to
1642 __builtin_ia32_storeups256_mask.
1643 (_mm_mask_storeu_ps): ass float * to
1644 __builtin_ia32_storeups128_mask.
1645 (_mm256_mask_loadu_epi64): Pass const long long * to
1646 __builtin_ia32_loaddqudi256_mask.
1647 (_mm256_maskz_loadu_epi64): Likewise.
1648 (_mm_mask_loadu_epi64): Pass const long long * to
1649 __builtin_ia32_loaddqudi128_mask.
1650 (_mm_maskz_loadu_epi64): Likewise.
1651 (_mm256_mask_storeu_epi64): Pass long long * to
1652 __builtin_ia32_storedqudi256_mask.
1653 (_mm_mask_storeu_epi64): Pass long long * to
1654 __builtin_ia32_storedqudi128_mask.
1655 (_mm256_mask_loadu_epi32): Pass const int * to
1656 __builtin_ia32_loaddqusi256_mask.
1657 (_mm256_maskz_loadu_epi32): Likewise.
1658 (_mm_mask_loadu_epi32): Pass const int * to
1659 __builtin_ia32_loaddqusi128_mask.
1660 (_mm_maskz_loadu_epi32): Likewise.
1661 (_mm256_mask_storeu_epi32): Pass int * to
1662 __builtin_ia32_storedqusi256_mask.
1663 (_mm_mask_storeu_epi32): Pass int * to
1664 __builtin_ia32_storedqusi128_mask.
1665 * config/i386/i386-builtin-types.def (PCSHORT): New.
1667 (V64QI_FTYPE_PCCHAR_V64QI_UDI): Likewise.
1668 (V32HI_FTYPE_PCSHORT_V32HI_USI): Likewise.
1669 (V32QI_FTYPE_PCCHAR_V32QI_USI): Likewise.
1670 (V16SF_FTYPE_PCFLOAT_V16SF_UHI): Likewise.
1671 (V8DF_FTYPE_PCDOUBLE_V8DF_UQI): Likewise.
1672 (V16SI_FTYPE_PCINT_V16SI_UHI): Likewise.
1673 (V16HI_FTYPE_PCSHORT_V16HI_UHI): Likewise.
1674 (V16QI_FTYPE_PCCHAR_V16QI_UHI): Likewise.
1675 (V8SF_FTYPE_PCFLOAT_V8SF_UQI): Likewise.
1676 (V8DI_FTYPE_PCINT64_V8DI_UQI): Likewise.
1677 (V8SI_FTYPE_PCINT_V8SI_UQI): Likewise.
1678 (V8HI_FTYPE_PCSHORT_V8HI_UQI): Likewise.
1679 (V4DF_FTYPE_PCDOUBLE_V4DF_UQI): Likewise.
1680 (V4SF_FTYPE_PCFLOAT_V4SF_UQI): Likewise.
1681 (V4DI_FTYPE_PCINT64_V4DI_UQI): Likewise.
1682 (V4SI_FTYPE_PCINT_V4SI_UQI): Likewise.
1683 (V2DF_FTYPE_PCDOUBLE_V2DF_UQI): Likewise.
1684 (V2DI_FTYPE_PCINT64_V2DI_UQI): Likewise.
1685 (VOID_FTYPE_PDOUBLE_V8DF_UQI): Likewise.
1686 (VOID_FTYPE_PDOUBLE_V4DF_UQI): Likewise.
1687 (VOID_FTYPE_PDOUBLE_V2DF_UQI): Likewise.
1688 (VOID_FTYPE_PFLOAT_V16SF_UHI): Likewise.
1689 (VOID_FTYPE_PFLOAT_V8SF_UQI): Likewise.
1690 (VOID_FTYPE_PFLOAT_V4SF_UQI): Likewise.
1691 (VOID_FTYPE_PINT64_V8DI_UQI): Likewise.
1692 (VOID_FTYPE_PINT64_V4DI_UQI): Likewise.
1693 (VOID_FTYPE_PINT64_V2DI_UQI): Likewise.
1694 (VOID_FTYPE_PINT_V16SI_UHI): Likewise.
1695 (VOID_FTYPE_PINT_V8SI_UHI): Likewise.
1696 (VOID_FTYPE_PINT_V4SI_UHI): Likewise.
1697 (VOID_FTYPE_PSHORT_V32HI_USI): Likewise.
1698 (VOID_FTYPE_PSHORT_V16HI_UHI): Likewise.
1699 (VOID_FTYPE_PSHORT_V8HI_UQI): Likewise.
1700 (VOID_FTYPE_PCHAR_V64QI_UDI): Likewise.
1701 (VOID_FTYPE_PCHAR_V32QI_USI): Likewise.
1702 (VOID_FTYPE_PCHAR_V16QI_UHI): Likewise.
1703 (V64QI_FTYPE_PCV64QI_V64QI_UDI): Removed.
1704 (V32HI_FTYPE_PCV32HI_V32HI_USI): Likewise.
1705 (V32QI_FTYPE_PCV32QI_V32QI_USI): Likewise.
1706 (V16HI_FTYPE_PCV16HI_V16HI_UHI): Likewise.
1707 (V16QI_FTYPE_PCV16QI_V16QI_UHI): Likewise.
1708 (V8HI_FTYPE_PCV8HI_V8HI_UQI): Likewise.
1709 (VOID_FTYPE_PV32HI_V32HI_USI): Likewise.
1710 (VOID_FTYPE_PV16HI_V16HI_UHI): Likewise.
1711 (VOID_FTYPE_PV8HI_V8HI_UQI): Likewise.
1712 (VOID_FTYPE_PV64QI_V64QI_UDI): Likewise.
1713 (VOID_FTYPE_PV32QI_V32QI_USI): Likewise.
1714 (VOID_FTYPE_PV16QI_V16QI_UHI): Likewise.
1715 * config/i386/i386.c (ix86_emit_save_reg_using_mov): Don't
1717 (ix86_emit_restore_sse_regs_using_mov): Don't use UNSPEC_LOADU.
1718 (ix86_avx256_split_vector_move_misalign): Don't use unaligned
1720 (ix86_expand_vector_move_misalign): Likewise.
1721 (bdesc_special_args): Use CODE_FOR_movvNXY_internal and pointer
1722 to scalar function prototype for unaligned load/store builtins.
1723 (ix86_expand_special_args_builtin): Updated.
1724 * config/i386/sse.md (UNSPEC_LOADU): Removed.
1725 (UNSPEC_STOREU): Likewise.
1726 (VI_ULOADSTORE_BW_AVX512VL): Likewise.
1727 (VI_ULOADSTORE_F_AVX512VL): Likewise.
1728 (ssescalarsize): Handle V4TI, V2TI and V1TI.
1729 (<sse>_loadu<ssemodesuffix><avxsizesuffix><mask_name>): Likewise.
1730 (*<sse>_loadu<ssemodesuffix><avxsizesuffix><mask_name>): Likewise.
1731 (<sse>_storeu<ssemodesuffix><avxsizesuffix>): Likewise.
1732 (<avx512>_storeu<ssemodesuffix><avxsizesuffix>_mask): Likewise.
1733 (<sse2_avx_avx512f>_loaddqu<mode><mask_name>): Likewise.
1734 (*<sse2_avx_avx512f>_loaddqu<mode><mask_name>"): Likewise.
1735 (sse2_avx_avx512f>_storedqu<mode>): Likewise.
1736 (<avx512>_storedqu<mode>_mask): Likewise.
1737 (*sse4_2_pcmpestr_unaligned): Likewise.
1738 (*sse4_2_pcmpistr_unaligned): Likewise.
1739 (*mov<mode>_internal): Renamed to ...
1740 (mov<mode>_internal): This. Remove check of AVX and IAMCU on
1741 misaligned operand. Replace vmovdqu64 with vmovdqu<ssescalarsize>.
1742 (movsd/movhpd to movupd peephole): Don't use UNSPEC_LOADU.
1743 (movlpd/movhpd to movupd peephole): Don't use UNSPEC_STOREU.
1745 2016-04-19 Richard Biener <rguenther@suse.de>
1747 PR tree-optimization/70171
1748 * tree-ssa-phiprop.c: Include stor-layout.h.
1749 (phiprop_insert_phi): Handle the aggregate copy case.
1750 (propagate_with_phi): Likewise.
1752 2016-04-19 Uros Bizjak <ubizjak@gmail.com>
1754 * config/i386/i386.c (ix86_decompose_address): Use lowpart_subreg
1755 instead of simplify_gen_subreg (... , 0).
1756 (ix86_delegitimize_address): Ditto.
1757 (ix86_split_divmod): Ditto.
1758 (ix86_split_copysign_const): Ditto.
1759 (ix86_split_copysign_var): Ditto.
1760 (ix86_expand_args_builtin): Ditto.
1761 (ix86_expand_round_builtin): Ditto.
1762 (ix86_expand_special_args_builtin): Ditto.
1763 * config/i386/i386.md (TARGET_USE_VECTOR_FP_CONVERTS splitters): Ditto.
1764 (TARGET_SSE_PARTIAL_REG_DEPENDENCY splitters and peephole2s): Ditto.
1765 (udivmodqi4): Ditto.
1766 (absneg splitters): Ditto.
1767 (*jcc_bt<mode>_1): Ditto.
1769 2016-04-19 Richard Biener <rguenther@suse.de>
1771 PR tree-optimization/70724
1772 * tree-ssa-sccvn.c (scc_vn_restore_ssa_info): Split SSA info
1773 restoring out from ...
1774 (free_scc_vn): ... here.
1775 * tree-ssa-sccvn.h (scc_vn_restore_ssa_info): Declare.
1776 * tres-ssa-pre.c (pass_pre::execute): Restore SSA info before
1778 (pass_fre::execute): Restore SSA info.
1780 2016-04-19 Richard Biener <rguenther@suse.de>
1782 * gimple-walk.h (struct walk_stmt_info): Add stmt member.
1783 * gimple-walk.c (walk_gimple_op): Initialize it.
1784 (walk_gimple_asm): Set wi->is_lhs before each callback invocation.
1785 * tree-inline.c (remap_gimple_op_r): Set SSA_NAME_DEF_STMT when
1786 remapping SSA names of defs.
1787 (copy_bb): Remove walk over all SSA defs and SSA_NAME_DEF_STMT
1790 2016-04-18 Vladimir Makarov <vmakarov@redhat.com>
1793 * lra-constraints.c (equiv_substition_p): New.
1794 (process_alt_operands): Use it.
1795 (swap_operands): Swap it.
1796 (curr_insn_transform): Update it.
1798 2016-04-18 Michael Matz <matz@suse.de>
1800 * tree.h (TYPE_ALIGN, DECL_ALIGN): Return shifted amount.
1801 (SET_TYPE_ALIGN, SET_DECL_ALIGN): New.
1802 * tree-core.h (tree_type_common.align): Use bit-field.
1803 (tree_type_common.spare): New.
1804 (tree_decl_common.off_align): Make smaller.
1805 (tree_decl_common.align): Use bit-field.
1807 * expr.c (expand_expr_addr_expr_1): Use SET_TYPE_ALIGN.
1808 * omp-low.c (install_var_field): Use SET_DECL_ALIGN.
1809 (scan_sharing_clauses): Ditto.
1810 (finish_taskreg_scan): Use SET_DECL_ALIGN and SET_TYPE_ALIGN.
1811 (omp_finish_file): Ditto.
1812 * stor-layout.c (do_type_align): Use SET_DECL_ALIGN.
1813 (layout_decl): Ditto.
1814 (relayout_decl): Ditto.
1815 (finalize_record_size): Use SET_TYPE_ALIGN.
1816 (finalize_type_size): Ditto.
1817 (finish_builtin_struct): Ditto.
1818 (layout_type): Ditto.
1819 (initialize_sizetypes): Ditto.
1820 * targhooks.c (std_gimplify_va_arg_expr): Use SET_TYPE_ALIGN.
1821 * tree-nested.c (insert_field_into_struct): Use SET_TYPE_ALIGN.
1822 (lookup_field_for_decl): Use SET_DECL_ALIGN.
1823 (get_chain_field): Ditto.
1824 (get_trampoline_type): Ditto.
1825 (get_nl_goto_field): Ditto.
1826 * tree-streamer-in.c (unpack_ts_decl_common_value_fields): Use
1828 (unpack_ts_type_common_value_fields): Use SET_TYPE_ALIGN.
1829 * gimple-expr.c (copy_var_decl): Use SET_DECL_ALIGN.
1830 * tree.c (make_node_stat): Use SET_DECL_ALIGN and SET_TYPE_ALIGN.
1831 (build_qualified_type): Use SET_TYPE_ALIGN.
1832 (build_aligned_type, build_range_type_1): Ditto.
1833 (build_atomic_base): Ditto.
1834 (build_common_tree_nodes): Ditto.
1835 * cfgexpand.c (align_local_variable): Use SET_DECL_ALIGN.
1836 (expand_one_stack_var_at): Ditto.
1837 * coverage.c (build_var): Use SET_DECL_ALIGN.
1838 * except.c (init_eh): Ditto.
1839 * function.c (assign_parm_setup_block): Ditto.
1840 * symtab.c (increase_alignment_1): Ditto.
1841 * tree-ssa-ccp.c (fold_builtin_alloca_with_align): Ditto.
1842 * tree-vect-stmts.c (ensure_base_align): Ditto.
1843 * varasm.c (align_variable): Ditto.
1844 (assemble_variable): Ditto.
1845 (build_constant_desc): Ditto.
1846 (output_constant_def_contents): Ditto.
1848 * config/arm/arm.c (arm_relayout_function): Use SET_DECL_ALIGN.
1849 * config/avr/avr.c (avr_adjust_type_node): Use SET_TYPE_ALIGN.
1850 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): Ditto.
1851 * config/msp430/msp430.c (msp430_gimplify_va_arg_expr): Ditto.
1852 * config/spu/spu.c (spu_build_builtin_va_list): Use SET_DECL_ALIGN.
1854 2016-04-18 H.J. Lu <hongjiu.lu@intel.com>
1857 * config/i386/sse.md (sse2_loadlpd): Accept load from "xm" and
1858 replace %vmovsd with "%vmovq".
1859 (vec_concatv2df): Likewise.
1861 2016-04-18 Uros Bizjak <ubizjak@gmail.com>
1863 * config/i386/mmx.md (*vec_extractv2sf_0): Use gen_lowpart.
1864 (*vec_extractv2si_0): Ditto.
1865 * config/i386/sse.md (*vec_extractv4sf_0): Ditto.
1866 (zero_extended_scalar_load_operand splitters): Ditto.
1867 (vec_extract splitters): Ditto.
1868 (*vec_extractv4si_0_zext): Ditto.
1869 (avx_<castmode><avxsizesuffix>_<castmode>): Use gen_lowpart
1871 (avx512f_<castmode><avxsizesuffix>_<castmode>): Ditto.
1872 (avx512f_<castmode><avxsizesuffix>_256<castmode>): Ditto.
1873 (*sse4_1_extractps): Use lowpart_subreg.
1875 2016-04-18 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1877 * doc/install.texi (Specific, i?86-*-solaris2.10): Update gas and
1879 (Specific, *-*-solaris2*): Update Solaris 11 bundled gcc versions.
1880 Mention Solaris 11 packaging changes.
1881 Update gas and gld requirements.
1882 Remove reference to pre-Solaris 10 bug.
1883 (Specific, sparc-sun-solaris2*): Remove reference to pre-Solaris 10
1885 (Specific, sparc64-*-solaris2*): Remove reference to bootstrap
1888 2016-04-17 Jan Hubicka <jh@suse.cz>
1890 * tree-ssa-loop-ivopts.c (avg_loop_niter): Use also
1891 max_loop_iterations_int.
1893 2016-04-18 Richard Biener <rguenther@suse.de>
1895 PR tree-optimization/43434
1896 * tree-ssa-structalias.c (struct vls_data): New.
1897 (visit_loadstore): Handle all pointer-based accesses.
1898 (compute_dependence_clique): Compute a bitmap of restrict tags
1899 assigned bases and pass it to visit_loadstore.
1901 2016-04-18 Matthew Wahab <matthew.wahab@arm.com>
1904 * config/arm/bpabi.h (BE8_LINK_SPEC): Add entries for armv8+crc,
1905 armv8.1-a and armv8.1-a+crc.
1907 2016-04-18 Richard Biener <rguenther@suse.de>
1909 PR tree-optimization/70701
1910 * tree-ssa-sccvn.c (vn_reference_lookup_3): Resolve fully constant
1911 references after translating through a memcpy.
1913 2016-04-18 Richard Biener <rguenther@suse.de>
1915 * tree-ssa-pre.c (postorder, postorder_num): Make locals ...
1916 (compute_antic): ... here. For partial antic use regular
1917 postorder and scrap iteration.
1918 (compute_partial_antic_aux): Remove unused return value.
1919 (init_pre): Do not allocate postorder.
1920 (fini_pre): Do not free postorder.
1922 2016-04-18 Richard Biener <rguenther@suse.de>
1925 * expmed.c (extract_bit_field_1): Remove broken case
1926 using a wider MODE_INT mode.
1928 2016-04-18 Segher Boessenkool <segher@kernel.crashing.org>
1930 * has-brig.c (lendian16): Don't try to use __builtin_bswap16
1931 unless compiling with at least GCC-4.8.
1933 2016-04-17 Jan Hubicka <jh@suse.cz>
1936 * graphite.c (graphite_finalize): Update call to
1937 tree_estimate_probability.
1938 * predict.h (tree_estimate_probability): Update prototype.
1940 2016-04-17 Jan Hubicka <jh@suse.cz>
1942 * predict.c (combine_predictions_for_bb): Add dry_run parmaeter.
1943 (tree_estimate_probability): Likewise.
1944 (pass_profile::execute): Update.
1945 (report_predictor_hitrates): New function.
1946 * profile.c (compute_branch_probabilities): Use it.
1947 * predict.h (report_predictor_hitrates): Declare.
1949 2016-04-17 Jan Hubicka <jh@suse.cz>
1952 * cgraph.h (cgraph_node::set_const_flag,
1953 cgraph_node::set_pure_flag): Update prototype to return bool;
1955 * cgraph.c (cgraph_node::call_for_symbol_thunks_and_aliases): Thunks
1956 of interposable symbol are interposable, too.
1957 (cgraph_set_const_flag_1): Rename to ...
1958 (set_const_flag_1): ... this one; change to self recursive function
1959 instead of call_for_symbol_thunks_and_aliases. Handle correctly
1960 clearnig the flag in all variants and also virtual thunks of const
1961 functions are pure; track if any change was done.
1962 (cgraph_node::set_const_flag): Update.
1963 (struct set_pure_flag_info): New struct.
1964 (cgraph_set_pure_flag_1): Rename to ...
1965 (set_pure_flag_1): ... this one; take set_pure_flag_info parameter
1966 rather than pointer encoded flags; track if any changes was done;
1967 handle correctly clearning flag and setting flag of aliases already
1969 (cgraph_node::set_pure_flag): Update.
1970 (cgraph_node::set_nothrow_flag): Handle correctly clearning the flag.
1972 2016-04-17 Tom de Vries <tom@codesourcery.com>
1975 * pretty-print.c (pp_write_text_as_dot_label_to_stream): Escape
1978 2016-04-17 Tom de Vries <tom@codesourcery.com>
1980 * pretty-print.c (pp_write_text_as_dot_label_to_stream): Classify chars
1981 '{}<> ' as escape-for-record.
1983 2016-04-17 Tom de Vries <tom@codesourcery.com>
1985 * pretty-print.c (pp_write_text_as_dot_label_to_stream): Simplify loop
1988 2016-04-17 Tom de Vries <tom@codesourcery.com>
1991 * tree-pass.h (class opt_pass): Remove graph_dump_initialized member.
1992 * dumpfile.h (struct dump_file_info): Add graph_dump_initialized field.
1993 * dumpfile.c (dump_files): Initialize graph_dump_initialized field.
1994 * passes.c (finish_optimization_passes): Only call
1995 finish_graph_dump_file if dfi->graph_dump_initialized.
1996 (execute_function_dump, pass_init_dump_file): Use
1997 dfi->graph_dump_initialized instead of pass->graph_dump_initialized.
1999 2016-04-17 Tom de Vries <tom@codesourcery.com>
2001 PR tree-optimization/70256
2002 * tree-ssa-structalias.c (dump_varinfo, debug_varinfo, dump_varmap)
2003 (debug_varmap): New function.
2005 2016-04-17 Tom de Vries <tom@codesourcery.com>
2008 * passes.c (pass_manager::register_pass): Propagate pflags.
2010 2016-04-17 Tom de Vries <tom@codesourcery.com>
2013 * pass_manager.h (TERMINATE_PASS_LIST): Add pass argument.
2014 * passes.c (pass_manager::pass_manager): Declare and init p_start in
2015 INSERT_PASSES_AFTER. Add pass parameter to TERMINATE_PASS_LIST, and
2016 check if it's equal to p_start.
2017 * passes.def: Add arguments to TERMINATE_PASS_LISTs.
2019 2016-04-15 Jan Hubicka <jh@suse.cz>
2022 * cgraph.c (cgraph_set_const_flag_1): Only set as pure if
2023 function does not bind to current def.
2024 * ipa-pure-const.c (worse_state): Add FROM and TO parameters;
2025 handle conservatively calls to functions that does not need to bind
2027 (check_call): Update call of worse_state.
2028 (ignore_edge_for_nothrow): Update.
2029 (ignore_edge_for_pure_const): Likewise.
2030 (propagate_pure_const): Update calls to worse_state.
2031 (skip_function_for_local_pure_const): Reformat comments.
2033 2016-04-15 Jan Hubicka <jh@suse.cz>
2036 * cgraph.c (cgraph_node::get_availability): Add REF parameter.
2037 (cgraph_node::function_symbol): Likewise.
2038 (cgraph_node::function_or_virtual_thunk_symbol): Likewise.
2039 * cgraph.h (symtab_node::get_availabbility): Add REF parameter.
2040 (symtab_node::ultimate_alias_target): Add REF parameter.
2041 (symtab_node::binds_to_current_def_p): Declare.
2042 (symtab_node;:ultimate_alias_target_1): Add REF parameter.
2043 (cgraph_node::function_symbol): Likewise.
2044 (cgraph_node::function_or_virtual_thunk_symbol): Likewise.
2045 (cgraph_node::get_availability): Likewise.
2046 (cgraph_edge::binds_to_current_def_p): New inline function.
2047 (varpool_node::get_availability): Add REF parameter.
2048 (varpool_node::ultimate_alias_target): Likewise.
2049 * symtab.c (symtab_node::ultimate_alias_target_1): Likewise.
2050 (symtab_node::binds_to_current_def_p): Likewise.
2051 * varpool.c (varpool_node::get_availability): Likewise.
2053 2016-04-15 Kirill Yukhin <kirill.yukhin@intel.com>
2056 * config/i386/sse.md(define_insn "<avx512>_vec_dup<mode><mask_name>"):
2057 Fix mode size check.
2059 2016-04-15 Jakub Jelinek <jakub@redhat.com>
2061 * BASE-VER: Set to 7.0.0.
2063 2016-04-15 Alexander Monakov <amonakov@ispras.ru>
2065 * config/nvptx/nvptx.opt (moptimize): Add a period at end of help text.
2067 2016-04-15 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
2069 * doc/invoke.texi (ARM Options): Add note on deprecation of pre-ARMv4T
2070 architecture revisions.
2072 2016-04-15 Bernd Schmidt <bschmidt@redhat.com>
2074 * config/i386/i386-protos.h (ix86_using_red_zone): Declare.
2075 * config/i386/i386.c (ix86_using_red_zone): No longer static.
2076 * config/i386/i386.md (stack decrement to push peepholes): Guard
2077 with !x86_using_red_zone ().
2079 2016-04-15 Jakub Jelinek <jakub@redhat.com>
2082 * tree-pretty-print.c (do_niy): Add FLAGS argument, pass it down
2083 to dump_generic_node.
2084 (NIY): Pass also flags to do_niy.
2086 2016-04-15 Thomas Schwinge <thomas@codesourcery.com>
2088 * omp-low.c (simd_clone_struct_alloc, simd_clone_struct_copy)
2089 (simd_clone_vector_of_formal_parm_types)
2090 (simd_clone_clauses_extract, simd_clone_compute_base_data_type)
2091 (simd_clone_mangle, simd_clone_create)
2092 (simd_clone_adjust_return_type, create_tmp_simd_array)
2093 (simd_clone_adjust_argument_types, simd_clone_init_simd_arrays)
2094 (struct modify_stmt_info, ipa_simd_modify_stmt_ops)
2095 (ipa_simd_modify_function_body, simd_clone_linear_addend)
2096 (simd_clone_adjust, expand_simd_clones, ipa_omp_simd_clone)
2097 (pass_data_omp_simd_clone, class pass_omp_simd_clone)
2098 (pass_omp_simd_clone::gate, make_pass_omp_simd_clone): Move into...
2099 * omp-simd-clone.c: ... this new file.
2100 (simd_clone_vector_of_formal_parm_types): Make it static.
2101 * Makefile.in (OBJS): Add omp-simd-clone.o.
2103 2016-04-15 Kirill Yukhin <kirill.yukhin@intel.com>
2106 * config/i386/sse.md: Use proper memory operand modifiers.
2109 2016-04-15 Richard Biener <rguenther@suse.de>
2110 Alan Modra <amodra@gmail.com>
2112 PR tree-optimization/70130
2113 * tree-vect-data-refs.c (vect_supportable_dr_alignment): Detect
2114 when alignment stays not the same and no not use the realign
2117 2016-04-14 Michael Meissner <meissner@linux.vnet.ibm.com>
2120 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add
2121 direct move handlers for KFmode. Change TFmode handlers test from
2122 FLOAT128_IEEE_P to FLOAT128_VECTOR_P.
2124 2016-04-14 Jakub Jelinek <jakub@redhat.com>
2127 * ipa-utils.h (polymorphic_ctor_dtor_p): New prototype.
2128 * ipa-polymorphic-call.c (polymorphic_ctor_dtor_p): New function.
2129 (inlined_polymorphic_ctor_dtor_block_p): Use it.
2130 * tree-ssa-live.c (remove_unused_scope_block_p): When
2131 in_ctor_dtor_block, avoid discarding not just BLOCKs with
2132 BLOCK_ABSTRACT_ORIGIN being FUNCTION_DECL, but even when
2133 block_ultimate_origin is FUNCTION_DECL.
2134 (remove_unused_locals): If current_function_decl is
2135 polymorphic_ctor_dtor_p, pass initial true to
2136 remove_unused_scope_block_p' is_ctor_dtor_block.
2138 2016-04-14 Martin Sebor <msebor@redhat.com>
2143 * doc/extend.texi (Variable Length): Revert.
2145 2016-04-14 Marek Polacek <polacek@redhat.com>
2146 Jan Hubicka <hubicka@ucw.cz>
2149 * tree.c (verify_type): Disable the canonical type of main variant
2152 2016-04-14 Jason Merrill <jason@redhat.com>
2154 * cfgexpand.c, expr.c: Revert previous change.
2156 2016-04-14 Cesar Philippidis <cesar@codesourcery.com>
2159 * omp-low.c (lower_oacc_reductions): Check for TREE_CONSTANT
2160 when building a mem ref for the incoming reduction variable.
2162 2016-04-14 Richard Biener <rguenther@suse.de>
2164 PR tree-optimization/70614
2165 * tree-scalar-evolution.c (analyze_evolution_in_loop): Terminate
2166 loop if the evolution dropped to chrec_dont_know.
2167 (interpret_condition_phi): Likewise.
2169 2016-04-14 Richard Biener <rguenther@suse.de>
2171 PR tree-optimization/70623
2172 * tree-ssa-pre.c (changed_blocks): Make global ...
2173 (compute_antic): ... local here. Move and fix worklist
2174 handling here. Do not clear EDGE_DFS_BACK or call mark_dfs_back_edges.
2175 (compute_antic_aux): Add dumping for MAX assumed succs. Remove
2176 worklist handling, dump when ANTIC_IN changed.
2177 (compute_partial_antic_aux): Remove worklist handling.
2178 (init_pre): Do not compute post dominators. Add a comment about
2179 the CFG order chosen.
2180 (fini_pre): Do not free post dominators.
2182 2016-04-13 Martin Sebor <msebor@redhat.com>
2187 * doc/extend.texi (Variable Length): Document C++ specifics.
2189 2016-04-13 Jakub Jelinek <jakub@redhat.com>
2192 * ipa-pure-const.c (pass_nothrow::execute): Call maybe_clean_eh_stmt
2193 on all recursive call stmts. Return TODO_cleanup_cfg if any dead
2194 eh edges have been purged.
2197 * tree-sra.c (create_access_replacement,
2198 get_replaced_param_substitute): Set DECL_NAMELESS on repl if it
2200 * tree-pretty-print.c (dump_fancy_name): New function.
2201 (dump_decl_name, dump_generic_node): Use it.
2203 2016-04-13 Jason Merrill <jason@redhat.com>
2205 * cfgexpand.c (pass_expand::execute): Handle attribute "abi warning".
2206 * expr.c (expand_expr_real_1): Likewise.
2208 2016-04-13 Ilya Enkovich <ilya.enkovich@intel.com>
2210 * config/i386/i386.md (kunpckhi): Swap operands.
2211 (kunpcksi): Likewise.
2212 (kunpckdi): Likewise.
2213 * config/i386/sse.md (vec_pack_trunc_qi): Likewise.
2214 (vec_pack_trunc_<mode>): Likewise.
2216 2016-04-13 Jakub Jelinek <jakub@redhat.com>
2219 * explow.c (convert_memory_address_addr_space_1): Formatting fix.
2222 * gimplify.c (gimplify_init_constructor): Clear TREE_STATIC if
2223 gimplification turns some element into non-constant.
2226 * rtl.h (convert_memory_address_addr_space_1): New prototype.
2227 * explow.c (convert_memory_address_addr_space_1): No longer static,
2228 add NO_EMIT argument and don't call convert_modes if true, pass
2229 it down recursively, remove break after return.
2230 (convert_memory_address_addr_space): Adjust caller.
2231 * simplify-rtx.c (simplify_unary_operation_1): Call
2232 convert_memory_address_addr_space_1 instead of convert_memory_address,
2233 if it returns NULL, don't simplify.
2235 2016-04-12 Eric Botcazou <ebotcazou@adacore.com>
2238 * config/sparc/sparc.c (sparc_compute_frame_size): Add parentheses.
2240 2016-04-12 Jakub Jelinek <jakub@redhat.com>
2242 * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
2243 Bump the upper SIMDLEN limits, so that if the return type or
2244 characteristic type if the return type is void can be passed in
2245 all available SSE2/AVX/AVX2/AVX512-F registers, the SIMDLEN is
2248 2016-04-12 Michael Meissner <meissner@linux.vnet.ibm.com>
2251 * config/rs6000/rs6000.md (ieee_128bit_vsx_neg<mode>2_internal):
2252 Do not use "=" constraint on an input constraint.
2253 (ieee_128bit_vsx_abs<mode>2_internal): Likewise.
2254 (ieee_128bit_vsx_nabs<mode>2_internal): Likewise.
2255 (ieee_128bit_vsx_nabs<mode>2): Correct splitter so that it
2256 generates (neg (abs ...)) instead of (abs ...).
2258 2016-04-12 Jakub Jelinek <jakub@redhat.com>
2260 PR rtl-optimization/70596
2261 * lra-spills.c (spill_pseudos): Don't delete debug insns, instead
2262 just invalidate LRA data and reset them. Adjust dump wording.
2264 2016-04-12 Martin Liska <mliska@suse.cz>
2267 2016-03-30 Jan Hubicka <hubicka@ucw.cz>
2269 * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can't get realistic
2271 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
2272 max_loop_iterations_int.
2273 (tree_unswitch_outer_loop): Likewise.
2274 * tree-ssa-loop-ivopts.c (avg_loop_niter): Likewise.
2275 * tree-vect-loop.c (vect_analyze_loop_2): Likewise.
2277 2016-04-12 Tom de Vries <tom@codesourcery.com>
2279 PR tree-optimization/68756
2280 * graphite-isl-ast-to-gimple.c (copy_cond_phi_args): Use new_expr
2281 instead of new_name.
2283 2016-04-12 Jakub Jelinek <jakub@redhat.com>
2285 PR tree-optimization/70602
2286 * tree-sra.c (generate_subtree_copies): Don't write anything into
2287 constant pool decls.
2289 * omp-low.c (lower_omp_target): Use GOMP_MAP_FIRSTPRIVATE_INT
2290 regardless whether there are depend clauses or not.
2292 2016-04-11 Michael Meissner <meissner@linux.vnet.ibm.com>
2295 * config/rs6000/rs6000.c (rs6000_opt_masks): Disable using the
2296 target attribute and pragma from changing the -mfloat128
2297 and -mfloat128-hardware options.
2299 * doc/extend.texi (Additional Floating Types): Document PowerPC
2300 __float128 restrictions.
2302 2016-04-11 James Greenhalgh <james.greenhalgh@arm.com>
2305 * config/aarch64/driver-aarch64.c
2306 (aarch64_get_extension_string_for_isa_flags): New.
2307 (arch_extension): Rename to...
2308 (aarch64_arch_extension): ...This.
2309 (ext_to_feat_string): Rename to...
2310 (aarch64_extensions): ...This.
2311 (aarch64_core_data): Keep track of architecture extension flags.
2312 (cpu_data): Rename to...
2313 (aarch64_cpu_data): ...This.
2314 (aarch64_arch_driver_info): Keep track of architecture extension
2316 (get_arch_name_from_id): Rename to...
2317 (get_arch_from_id): ...This, change return type.
2318 (host_detect_local_cpu): Update and reformat for renames, handle
2319 extensions through common infrastructure.
2321 2016-04-11 James Greenhalgh <james.greenhalgh@arm.com>
2324 * config/aarch64/aarch64-common.c (aarch64_option_extension): Keep
2325 track of a canonical flag name.
2326 (all_extensions): Likewise.
2327 (arch_to_arch_name): Also track extension flags enabled by the arch.
2328 (all_architectures): Likewise.
2329 (aarch64_parse_extension): Move to here.
2330 (aarch64_get_extension_string_for_isa_flags): Take a new argument,
2332 (aarch64_rewrite_selected_cpu): Update for above change.
2333 * config/aarch64/aarch64-option-extensions.def: Rework the way flags
2334 are handled, such that the single explicit value enabled by an
2335 extension is kept seperate from the implicit values it also enables.
2336 * config/aarch64/aarch64-protos.h (aarch64_parse_opt_result): Move
2338 (aarch64_parse_extension): New.
2339 * config/aarch64/aarch64.c (aarch64_parse_opt_result): Move from
2340 here to config/aarch64/aarch64-protos.h.
2341 (aarch64_parse_extension): Move from here to
2342 common/config/aarch64/aarch64-common.c.
2343 (aarch64_option_print): Update.
2344 (aarch64_declare_function_name): Likewise.
2345 (aarch64_start_file): Likewise.
2346 * config/aarch64/driver-aarch64.c (arch_extension): Keep track of
2347 the canonical flag for extensions.
2348 * config.gcc (aarch64*-*-*): Extend regex for capturing extension
2351 2016-04-11 James Greenhalgh <james.greenhalgh@arm.com>
2353 * config/aarch64/aarch64.h (AARCH64_FL_FOR_ARCH8_1): Also add
2356 2016-04-09 Tom de Vries <tom@codesourcery.com>
2358 PR tree-optimization/68953
2359 * graphite-sese-to-poly.c (pdr_add_memory_accesses): Order accesses from
2360 first to last subscript.
2362 2016-04-09 Jakub Jelinek <jakub@redhat.com>
2364 PR tree-optimization/70586
2365 * tree-ssa-ifcombine.c (bb_no_side_effects_p): Return false
2368 2016-04-08 Cesar Philippidis <cesar@codesourcery.com>
2372 PR tree-optimization/70373
2376 * gimplify.c (gimplify_adjust_omp_clauses): Add or adjust data
2377 clauses for acc parallel reductions as necessary. Error on those
2379 * omp-low.c (scan_sharing_clauses): Don't install variables which
2380 are used in acc parallel reductions.
2381 (lower_rec_input_clauses): Remove dead code.
2382 (lower_oacc_reductions): Add support for reference reductions.
2383 (lower_reduction_clauses): Remove dead code.
2384 (lower_omp_target): Don't remap variables appearing in acc parallel
2386 * tree.h (OMP_CLAUSE_MAP_IN_REDUCTION): New macro.
2388 2016-04-08 Jakub Jelinek <jakub@redhat.com>
2391 * tree-ssa-coalesce.c (build_ssa_conflict_graph): For stmt
2392 with multiple SSA_NAME defs, force the outputs other than first
2393 to be live before calling live_track_process_def on each output.
2395 PR rtl-optimization/70574
2396 * fwprop.c (forward_propagate_and_simplify): Don't add
2397 REG_EQUAL note if DF_REF_REG (use) is a paradoxical subreg.
2398 (try_fwprop_subst): Don't add REG_EQUAL note if there are any
2399 paradoxical subregs within *loc.
2401 2016-04-08 Thomas Schwinge <thomas@codesourcery.com>
2403 * config/arc/arc.h (LINK_COMMAND_SPEC): Use gt to ignore
2404 -ftree-parallelize-loops={0,1}.
2405 * config/darwin.h (LINK_COMMAND_SPEC_A): Likewise.
2406 * config/i386/mingw32.h (GOMP_SELF_SPECS): Likewise.
2407 * config/ia64/hpux.h (LIB_SPEC): Likewise.
2408 * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
2409 * config/pa/pa64-hpux.h (LIB_SPEC): Likewise.
2411 2016-04-08 Maxim Ostapenko <m.ostapenko@samsung.com>
2414 * asan.c (instrument_derefs): If we get unknown location, extract it
2416 (maybe_instrument_call): Instrument gimple_call's arguments if needed.
2418 2016-04-08 Tom de Vries <tom@codesourcery.com>
2420 * omp-low.c (lower_omp_target): Set TREE_NO_WARNING for oacc
2421 implicit firstprivate clause.
2423 2016-04-08 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
2426 * config/arm/thumb2.md (tst + branch-> lsls + branch
2427 peephole below *orsi_not_shiftsi_si): Require that condition
2428 register is dead after the peephole.
2429 (second peephole after the above): Likewise.
2431 2016-04-08 Alan Modra <amodra@gmail.com>
2434 * builtins.c (fold_builtin_classify): For IBM extended precision,
2435 look at just the high-order double to test for NaN.
2436 (fold_builtin_interclass_mathfn): Similarly for Inf. For isnormal
2437 test just the high double for Inf but both doubles for subnormal
2440 2016-04-07 Jakub Jelinek <jakub@redhat.com>
2442 * cgraph.h (struct cgraph_simd_clone): Add mask_mode field.
2443 * omp-low.c (simd_clone_init_simd_arrays, simd_clone_adjust): Handle
2444 node->simdclone->mask_mode != VOIDmode masks.
2445 (simd_clone_adjust_argument_types): Likewise. Move sc var definition
2446 earlier, use it instead of node->simdclone.
2447 * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
2448 Set clonei->mask_mode.
2450 2016-04-06 Patrick Palka <ppalka@gcc.gnu.org>
2453 * parser.c (cp_parser_iteration_statement): New parameter IF_P.
2454 Pass it through to cp_parser_already_scoped_statement.
2455 (cp_parser_already_scoped_statement): New parameter IF_P. Pass
2456 it through to cp_parser_statement.
2457 (cp_parser_statement): Pass IF_P through to
2458 cp_parser_iteration_statement.
2459 (cp_parser_pragma): Adjust call to
2460 cp_parser_iteration_statement.
2462 2016-04-06 Patrick Palka <ppalka@gcc.gnu.org>
2465 * gimplify.c (gimplify_omp_ordered): Add explicit braces to
2466 resolve a future -Wparentheses warning.
2467 * omp-low.c (scan_sharing_clauses): Likewise.
2468 * tree-parloops.c (eliminate_local_variables): Likewise.
2470 2016-04-06 Vladimir Makarov <vmakarov@redhat.com>
2472 PR rtl-optimization/70398
2473 * lra-constraints.c (process_address_1): Check zero scale and code
2474 for reloading with zero scale.
2476 2016-04-06 Uros Bizjak <ubizjak@gmail.com>
2478 * config/i386/sse.md (shuffletype): Add V32HI and V4TI modes.
2479 (ssescalarsize): Add V8SF, V4SF, V4DF and V2DF modes.
2481 2016-04-06 Jakub Jelinek <jakub@redhat.com>
2483 * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
2484 Add support for AVX512F clones, include them by default for
2485 exported OpenMP declare simd functions. For AVX2 allow simdlen 32
2486 and use it if charasteric type is 8-bit, for AVX512F allow simdlen
2490 * tree.h (OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT): Define.
2491 * gimplify.c (gimplify_adjust_omp_clauses_1): Set it for implicit
2492 firstprivate clauses.
2493 * omp-low.c (lower_send_clauses): Set TREE_NO_WARNING for
2494 OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT !by_ref vars in task contexts.
2495 (lower_omp_target): Set TREE_NO_WARNING for
2496 non-addressable possibly uninitialized vars which are copied into
2497 addressable temporaries or copied for GOMP_MAP_FIRSTPRIVATE_INT.
2499 2016-04-05 John David Anglin <danglin@gcc.gnu.org>
2501 * config/pa/predicates.md (integer_store_memory_operand): Accept
2502 REG+D operands with a large offset when reload_in_progress is true.
2503 (floating_point_store_memory_operand): Likewise.
2505 2016-04-05 Jakub Jelinek <jakub@redhat.com>
2508 * match.pd (nested int casts): Limit to GIMPLE.
2510 2016-04-05 Jan Hubicka <hubicka@ucw.cz>
2513 * ipa-devirt.c (maybe_record_node): Fix comment; use
2514 SANITIZE_UNREACHABLE instead of SANITIZE_UNDEFINED.
2516 2016-04-05 Jakub Jelinek <jakub@redhat.com>
2518 PR rtl-optimization/70542
2519 * ree.c (add_removable_extension): For VECTOR_MODE_P punt
2520 if there are any uses other than insn or debug insns.
2522 2016-04-05 Marc Glisse <marc.glisse@inria.fr>
2523 Jakub Jelinek <jakub@redhat.com>
2525 PR tree-optimization/70509
2526 * simplify-rtx.c (simplify_binary_operation_1) <case VEC_SELECT>:
2527 Shift HOST_WIDE_INT_1U instead of 1.
2529 2016-04-05 Zdenek Sojka <zsojka@seznam.cz>
2531 PR tree-optimization/70509
2532 * tree-ssa-forwprop.c (simplify_bitfield_ref): Use bitsize_int instead
2533 of the vector base type for index.
2535 2016-04-05 Uros Bizjak <ubizjak@gmail.com>
2538 * config/i386/sse.md (iptr): Add V64QI, V32HI, V16SI and V8DI modes.
2540 2016-04-05 Richard Biener <rguenther@suse.de>
2542 PR tree-optimization/70526
2543 * tree-sra.c (build_ref_for_offset): Use prev_base to
2544 extract the alias pointer type.
2546 2016-04-05 Richard Biener <rguenther@suse.de>
2548 * dse.c (struct store_info): Remove alias_set member.
2549 (struct read_info_type): Likewise.
2550 (clear_alias_group, clear_alias_mode_table, clear_alias_mode_holder,
2551 spill_deleted, clear_alias_set_lookup): Remove.
2552 (get_group_info): Remove dead base == NULL_RTX case.
2553 (dse_step0): Remove initialization of removed variables.
2554 (delete_dead_store_insn): Reomve alias set dumping.
2555 (free_read_records): Remove alias_set handling.
2556 (canon_address): Remove alias_set_out parameter.
2557 (record_store): Remove spill_alias_set, it's always zero.
2558 (check_mem_read_rtx): Likewise.
2559 (dse_step2): Rename from ...
2560 (dse_step2_nospill): ... this. Adjust.
2561 (scan_stores): Rename from ...
2562 (scan_stores_nospill): ... this.
2563 (scan_reads): Rename from ...
2564 (scan_reads_nospill): ... this.
2565 (scan_stores_spill, scan_reads_spill): Remove.
2566 (dse_step3_scan): Remove for_spills argument which is always false.
2567 (dse_step3): Likewise.
2568 (dse_step5): Rename from ...
2569 (dse_step5_nospill): ... this. Remove alias_set handling.
2570 (rest_of_handle_dse): Adjust.
2572 2016-04-05 Jakub Jelinek <jakub@redhat.com>
2575 * config/i386/sse.md (*andnot<mode>3): Simplify assertions.
2576 Use vpandn<ssemodesuffix> for V16SI/V8DImode, vpandnq for
2577 V32HI/V64QImode, don't use <mask_operand3_1>, fix up formatting.
2578 (*andnot<mode>3_mask): Remove insn with VI12_AVX512VL iterator.
2580 2016-04-05 Richard Biener <rguenther@suse.de>
2583 * gimplify-me.c (gimple_regimplify_operands): Do not rewrite
2584 non-register type temporaries into SSA.
2586 2016-04-04 Jan Hubicka <hubicka@ucw.cz>
2589 * ipa-devirt.c (maybe_record_node): Do not optimize cxa_pure_virtual
2590 calls when sanitizing.
2591 (possible_polymorphic_call_target_p): Fix formatting.
2593 2016-04-04 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2594 Jakub Jelinek <jakub@redhat.com>
2597 * tree-inline.c (estimate_num_insn): Use gimple_call_builtin_p
2598 to ensure a call statement is compatible with a built-in's
2600 * tree-ssa-math-opts.c (pass_optimize_windening_mul::execute):
2603 2016-04-04 Richard Biener <rguenther@suse.de>
2605 PR rtl-optimization/70484
2606 * rtl.h (canon_output_dependence): Declare.
2607 * alias.c (canon_output_dependence): New function.
2608 * dse.c (record_store): Use canon_output_dependence rather
2609 than canon_true_dependence.
2611 2016-03-30 Jan Hubicka <hubicka@ucw.cz>
2614 * cgraph.h (symtab_node::copy_visibility_from): New function.
2615 * symtab.c (symtab_node::copy_visibility_from): New function.
2616 * ipa-visibility.c (optimize_weakref): New function.
2617 (function_and_variable_visibility): Use it.
2619 2016-04-04 Martin Liska <mliska@suse.cz>
2622 * hsa-gen.c (gen_hsa_insns_for_switch_stmt): Guard index
2623 value that is really in range handled by SBR instruction.
2624 * hsa-brig.c (emit_switch_insn): Do not emit unconditional jump.
2625 * hsa-dump.c (dump_hsa_insn_1): Do not dump default BB.
2626 * hsa.h (hsa_insn_sbr::m_default_bb): Remove field.
2628 2016-04-03 Oleg Endo <olegendo@gcc.gnu.org>
2632 * config/sh/sh.md (*addsi3): Allow pattern when reload_in_progress is
2633 set, but not for SP_REG operands.
2635 2016-04-02 Martin Sebor <msebor@redhat.com>
2638 * fold-const.c (maybe_nonzero_address): New function.
2639 (fold_comparison): Call it. Fold equality and relational
2640 expressions involving null pointers.
2641 (tree_single_nonzero_warnv_p): Call maybe_nonzero_address.
2643 2016-03-31 Evandro Menezes <e.menezes@samsung.com>
2645 Fix the predicate "aarch64_simd_reg_or_zero" to correctly validate
2646 the "Y" constraint (scalar FP 0.0 immediate).
2648 * gcc/config/aarch64/predicates.md (aarch64_simd_reg_or_zero):
2649 Add the "const_double" to the list of operand constraints.
2651 2016-04-01 Jakub Jelinek <jakub@redhat.com>
2653 PR rtl-optimization/70467
2654 * config/i386/i386.md (*add<dwi>3_doubleword, *sub<dwi>3_doubleword):
2655 If low word of the last operand is 0, just emit addition/subtraction
2658 2016-04-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
2661 * config/s390/s390.c (s390_expand_insv): Check for everything
2662 constant instead of just VOIDmode stuff.
2664 2016-04-01 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
2667 * config/arm/arm.h (ASM_APP_OFF): Handle TARGET_ARM and TARGET_THUMB.
2669 2016-04-01 Nathan Sidwell <nathan@acm.org>
2671 * tree.def (TRY_CATCH_EXPR): Correct documentation.
2673 2016-03-31 Vladimir Makarov <vmakarov@redhat.com>
2675 PR rtl-optimization/70461
2676 * ira-color.c (allocno_copy_cost_saving): Use allocno class if it
2679 2016-03-31 Martin Liska <mliska@suse.cz>
2682 * hsa-brig.c (hsa_op_immed::emit_to_buffer): Emit either
2683 a tree value or an immediate integer value to a buffer
2684 that is eventually copied to a BRIG section.
2685 (emit_immediate_operand): Call the function here.
2686 * hsa-dump.c (dump_hsa_immed): Remove checking assert.
2687 * hsa-gen.c (hsa_op_immed::hsa_op_immed): Remove initialization
2688 of class' fields that are removed.
2689 (hsa_op_immed::~hsa_op_immed): Remove deinitialization.
2690 * hsa.h (class hsa_op_immed): Remove m_brig_repr and
2691 m_brig_repr_size fields.
2693 2016-03-31 Martin Liska <mliska@suse.cz>
2696 * hsa-gen.c (hsa_function_representation::update_dominance): New
2698 (convert_addr_to_flat_segment): Likewise.
2699 (gen_hsa_memory_set): New alignment argument.
2700 (gen_hsa_ctor_assignment): Likewise.
2701 (gen_hsa_insns_for_single_assignment): Provide alignment
2702 to gen_hsa_ctor_assignment.
2703 (gen_hsa_insns_for_direct_call): Add new argument.
2704 (expand_lhs_of_string_op): New function.
2705 (expand_string_operation_builtin): Likewise.
2706 (expand_memory_copy): New function.
2707 (expand_memory_set): New function.
2708 (gen_hsa_insns_for_call): Use HOST_WIDE_INT.
2709 (convert_switch_statements): Change signature.
2710 (generate_hsa): Use a return value of the function.
2711 (pass_gen_hsail::execute): Do not call
2712 convert_switch_statements here.
2713 * hsa-regalloc.c (hsa_regalloc): Call update_dominance.
2714 * hsa.h (hsa_function_representation::m_modified_cfg): New flag.
2715 (hsa_function_representation::update_dominance): New function.
2717 2016-03-31 Martin Liska <mliska@suse.cz>
2720 * hsa-brig.c (emit_directive_variable): Emit alignment
2721 according to hsa_symbol::m_align.
2722 * hsa-dump.c (hsa_byte_alignment): Move the function to another file.
2723 (dump_hsa_symbol): Dump alignment of HSA symbols.
2724 * hsa-gen.c (get_symbol_for_decl): Set-up alignment of a symbol.
2725 (gen_hsa_addr_with_align): New function.
2726 (hsa_bitmemref_alignment): Use newly added function.
2727 (gen_hsa_insns_for_load): Likewise.
2728 (gen_hsa_insns_for_store): Likewise.
2729 (gen_hsa_memory_copy): New argument added.
2730 (gen_hsa_insns_for_single_assignment): Respect
2731 alignment for assignments processed via gen_hsa_memory_copy.
2732 (gen_hsa_insns_for_direct_call): Likewise.
2733 (gen_hsa_insns_for_return): Likewise.
2734 (gen_function_def_parameters): Set default alignment.
2735 * hsa.c (hsa_object_alignment): New function.
2736 (hsa_byte_alignment): Pasted function.
2737 * hsa.h (hsa_symbol::m_align): New field.
2739 2016-03-31 Bin Cheng <bin.cheng@arm.com>
2741 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Initialize
2742 scratch field for goto case.
2744 2016-03-31 James Greenhalgh <james.greenhalgh@arm.com>
2746 * config/arm/linux-elf.h (ASM_OUTPUT_DEF): Delete.
2748 2016-03-31 Ilya Enkovich <enkovich.gnu@gmail.com>
2751 * config/i386/i386.c (scalar_chain::convert_op): Fix description.
2752 (scalar_chain::convert_insn): Call convert_op for reg
2753 moves to handle undefined registers.
2755 2016-03-31 Nathan Sidwell <nathan@acm.org>
2758 * varasm.c (output_constructor_regular_field): Flush bitfield earlier.
2759 Assert we don't want to move backwards.
2761 2016-03-31 Kirill Yukhin <kirill.yukhin@intel.com>
2764 * config/i386/sse.md (define_mode_attr shuffletype): Fix typo.
2766 2016-03-31 Jakub Jelinek <jakub@redhat.com>
2768 PR rtl-optimization/70460
2769 * ira.c (indirect_jump_optimize): Don't substitute LABEL_REF
2770 with operand from REG_LABEL_OPERAND, instead substitute
2771 SET_SRC or REG_EQUAL note content if it is a LABEL_REF.
2772 Don't do anything for REG_NON_LOCAL_GOTO jumps.
2774 2016-03-31 Martin Liska <mliska@suse.cz>
2776 * passes.c (execute_one_pass): Do not call
2777 todo_after for a discarded function.
2779 2016-03-31 Bin Cheng <bin.cheng@arm.com>
2781 * tree-ssa-loop-ivopts.c (struct comp_cost): New scrach field.
2782 (no_cost, infinite_cost): Initialize the new field.
2783 (get_computation_cost_at): Record setup cost.
2784 (determine_use_iv_cost_address): Skip cost computation for sub
2785 uses if we can estimate it without losing accuracy.
2787 2016-03-30 Jan Hubicka <hubicka@ucw.cz>
2789 * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can't get realistic
2791 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
2792 max_loop_iterations_int.
2793 (tree_unswitch_outer_loop): Likewise.
2794 * tree-ssa-loop-ivopts.c (avg_loop_niter): Likewise.
2795 * tree-vect-loop.c (vect_analyze_loop_2): Likewise.
2797 2016-03-30 Richard Biener <rguenther@suse.de>
2800 * fold-const.c (extract_muldiv_1): Fix thinko in wide_int::from usage.
2802 2016-03-30 Jakub Jelinek <jakub@redhat.com>
2805 * config/i386/i386.c (ix86_expand_vector_set): Fix up argument order
2806 in gen_blendm expander.
2808 2016-03-30 Nick Clifton <nickc@redhat.com>
2811 * config/arm/arm.c (arm_reload_out_hi): Add code to handle the
2812 case where we are already provided with an SImode SUBREG.
2814 2016-03-30 H.J. Lu <hongjiu.lu@intel.com>
2817 * config/i386/i386.c (ix86_expand_epilogue): Properly check
2818 conflict between DRAP register and __builtin_eh_return.
2820 2016-03-30 Michael Matz <matz@suse.de>
2821 Richard Biener <rguenther@suse.de>
2824 * ipa-polymorphic-call.c (struct type_change_info): Change
2825 speculative to an unsigned allowing to limit the work we do.
2826 (csftc_abort_walking_p): New inline function..
2827 (check_stmt_for_type_change): Limit the number of may-defs
2828 skipped for speculative devirtualization to
2829 max-speculative-devirt-maydefs.
2830 * params.def (max-speculative-devirt-maydefs): New param.
2831 * doc/invoke.texi (--param max-speculative-devirt-maydefs): Document.
2833 2016-03-30 Mike Stump <mrs@gcc.gnu.org>
2836 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Use when profiling
2839 2016-03-30 Patrick Palka <ppalka@gcc.gnu.org>
2841 PR tree-optimization/59124
2842 * tree-vrp.c (register_edge_assert_for_2): For NAME != CST1
2843 where NAME = A +- CST2 add the assertion A != (CST1 -+ CST2).
2845 2016-03-29 Jeff Law <law@redhat.com>
2847 * tree-ssa-coalesce.c (struct ssa_conflicts): Fix typo in comment.
2849 2016-03-10 Jan Hubicka <hubicka@ucw.cz>
2851 * tree-ssa-loop-ivcanon.c (try_peel_loop): Change type of peel
2854 2016-03-29 Thomas Schwinge <thomas@codesourcery.com>
2856 * config/gnu.h (CPP_SPEC, LIB_SPEC): Don't override.
2857 * config/i386/gnu.h (STARTFILE_SPEC): Use gcrt1.o instead of
2858 gcrt0.o if linking dynamically.
2860 2016-03-10 Jan Hubicka <hubicka@ucw.cz>
2863 * ipa-devirt.c (methods_equal_p): New function.
2864 (compare_virtual_tables): Use it.
2865 * cgraph.h (symbol_table::symbol_suffix_separator): Declare.
2866 * cgraphclones.c (clone_function_name_1): Use
2867 symbol_table::symbol_suffix_separator.
2868 * coverage.c (build_var): Likewise.
2869 * symtab.c (symbol_table::symbol_suffix_separator): New.
2871 2016-03-29 Jakub Jelinek <jakub@redhat.com>
2873 PR rtl-optimization/70429
2874 * combine.c (simplify_shift_const_1): For ASHIFTRT don't optimize
2875 (cst1 >> count) >> cst2 into (cst1 >> cst2) >> count if
2876 mode != result_mode.
2879 * tree-inline.c (remap_decls): Don't add_local_decl if cfun is null.
2881 PR tree-optimization/70405
2882 * ssa-iterators.h (num_imm_uses): Add missing braces.
2884 2016-03-29 Vladimir Makarov <vmakarov@redhat.com>
2886 PR rtl-optimization/68695
2887 * ira-color.c (allocno_copy_cost_saving): New.
2888 (improve_allocation): Use it.
2890 2016-03-29 Richard Henderson <rth@redhat.com>
2893 * lower-subreg.c (simplify_subreg_concatn): Reject paradoxical subregs.
2895 2016-03-29 Richard Biener <rguenther@suse.de>
2898 * ipa-prop.c (ipa_compute_jump_functions_for_edge): Always
2899 use alignment returned by get_pointer_alignment_1 if it is
2900 bigger than BITS_PER_UNIT.
2901 * builtins.c (get_pointer_alignment_1): Do not return true
2902 for alignment extracted from SSA info.
2904 2016-03-28 James Bowman <james.bowman@ftdichip.com>
2906 * config/ft32/ft32.opt (mnodiv): New.
2907 * config/ft32/ft32.md (*divsi3, *modsi3): Qualify with TARGET_NODIV.
2908 * doc/invoke.texi (FT32 Options -mnodiv): New.
2910 2016-03-28 Kirill Yukhin <kirill.yukhin@intel.com>
2913 * config/i386/i386.md (define_split, andn): Fix modes.
2915 2016-03-26 Richard Biener <rguenther@suse.de>
2916 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
2919 * ipa-inline-transform.c (inline_call): Pass opts_for_fn (to->decl)
2921 TREE_OPTIMIZATION (DECL_FUNCTION_SPECIFIC_OPTIMIZATION (to->decl))
2922 as 2nd argument to cl_optimization_restore().
2924 2016-03-25 Richard Henderson <rth@redhat.com>
2927 * config/aarch64/aarch64.c (aarch64_asm_output_pool_epilogue): New.
2928 * config/aarch64/aarch64-protos.h: Declare it.
2929 * config/aarch64/aarch64.h (ASM_OUTPUT_POOL_EPILOGUE): New.
2931 2016-03-25 Alan Modra <amodra@gmail.com>
2934 * config/rs6000/constraints.md (j): Simplify.
2935 * config/rs6000/predicates.md (easy_fp_constant): Exclude
2937 * config/rs6000/rs6000.md (zero_fp): New mode_attr.
2938 (mov<mode>_hardfloat, mov<mode>_hardfloat32, mov<mode>_hardfloat64,
2939 mov<mode>_64bit_dm, mov<mode>_32bit): Use zero_fp in place of j
2940 in all constraint alternatives.
2941 (movtd_64bit_nodm): Delete "j" constraint alternative.
2943 2016-03-24 Aldy Hernandez <aldyh@redhat.com>
2945 * tree-ssa-propagate.c: Enhance docs for
2946 SSA_PROP_NOT_INTERESTING.
2948 2016-03-24 Aldy Hernandez <aldyh@redhat.com>
2950 * doc/extend.texi: Fix typo in documentation to pure attribute.
2952 2016-03-24 John David Anglin <danglin@gcc.gnu.org>
2955 * config/pa/pa.md (bswapdi2): Use a scratch register.
2957 2016-03-24 Richard Henderson <rth@redhat.com>
2960 * fold-const.c (extract_muldiv_1): Correct test for multiplication
2963 2016-03-24 Uros Bizjak <ubizjak@gmail.com>
2965 * config/i386/i386.md (*anddi3_doubleword): Generate AND insn
2966 using ix86_expand_binary_operator instead of gen_andsi3.
2968 2016-03-24 Richard Biener <rguenther@suse.de>
2970 PR tree-optimization/70396
2971 * tree-vect-stmts.c (vectorizable_comparison): Use
2972 get_vectype_for_scalar_type.
2974 2016-03-24 Richard Biener <rguenther@suse.de>
2977 * gimplify.c (gimplify_asm_expr): Handle !allows_mem outputs
2978 with register bases.
2980 2016-03-24 Richard Biener <rguenther@suse.de>
2982 PR tree-optimization/70372
2983 * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Use
2984 build_all_ones_cst to also handle vector types correctly.
2986 2016-03-23 Michael Meissner <meissner@linux.vnet.ibm.com>
2989 * config/rs6000/rs6000-cpus.def (ISA_2_6_MASKS_SERVER): Do not set
2992 2016-03-23 Marek Polacek <polacek@redhat.com>
2995 * doc/invoke.texi: Document -Wignored-attributes.
2997 2016-03-23 Bin Cheng <bin.cheng@arm.com>
2999 PR tree-optimization/69042
3000 * params.def (PARAM_IV_CONSIDER_ALL_CANDIDATES_BOUND): Increase the
3001 parameter from 30 to 40.
3003 2016-03-23 Bin Cheng <bin.cheng@arm.com>
3005 PR tree-optimization/69042
3006 * tree-ssa-loop-ivopts.c (add_iv_candidate_for_use): Add IV cand
3007 for use with constant offset stripped in base.
3009 2016-03-23 Richard Biener <rguenther@suse.de>
3012 * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Adjust
3013 mode compatibility check.
3014 (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
3016 2016-03-23 Jeff Law <law@redhat.com>
3018 PR tree-optimization/64058
3019 * tree-ssa-coalesce.c (struct coalesce_pair): Add new field
3021 (struct ssa_conflicts): Move up earlier in the file.
3022 (conflicts_, var_map_): New static variables.
3023 (initialize_conflict_count): New function to initialize the
3024 CONFLICT_COUNT field for each conflict pair.
3025 (compare_pairs): Lazily initialize the conflict count and use it
3026 as the first tie-breaker.
3027 (sort_coalesce_list): Add new arguments conflicts, map. Initialize
3028 and wipe conflicts_ and map_ around the call to qsort. Remove
3029 special case for 2 coalesce pairs.
3030 * bitmap.c (bitmap_count_unique_bits): New function.
3031 (bitmap_count_bits_in_word): New function, extracted from
3033 (bitmap_count_bits): Use bitmap_count_bits_in_word.
3034 * bitmap.h (bitmap_count_unique_bits): Declare it.
3036 2016-03-23 Ilya Enkovich <enkovich.gnu@gmail.com>
3039 * config/i386/sol2.h (ASM_OUTPUT_DEF_FROM_DECLS): Follow
3040 transparent alias chain for decl assembler name.
3041 * config/sol2.c (solaris_assemble_visibility): Likewise.
3043 2016-03-23 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
3045 * config/arm/arm1020e.md (1020call_op): Reduce reservation
3047 (v10_fdivs): Likewise.
3048 (v10_fdivd): Likewise.
3050 2016-03-23 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
3053 * config/arm/driver-arm.c (host_detect_local_cpu): Reorder exit logic
3054 to not call fclose twice on file.
3056 2016-03-23 Jakub Jelinek <jakub@redhat.com>
3058 PR tree-optimization/70354
3059 * tree-vect-patterns.c (vect_recog_vector_vector_shift_pattern): If
3060 oprnd0 is wider than oprnd1 and there is a cast from the wider
3061 type to oprnd1, mask it with the mask of the narrower type.
3064 * config/i386/i386.md (*anddi3_doubleword, *<code>di3_doubleword):
3065 Optimize TARGET_STV splitters, if high or low word of last argument
3068 2016-03-22 Jeff Law <law@redhat.com>
3071 tree-ssa-threadbackward.c
3072 (fsm_find_control_statement_thread_paths): Correctly distinguish
3073 between old style jump threads vs FSM jump threads.
3075 2016-03-22 Ilya Enkovich <enkovich.gnu@gmail.com>
3078 * config/i386/i386.c (scalar_chain::convert_op): Support
3079 uninitialized register usage case.
3081 2016-03-22 Richard Biener <rguenther@suse.de>
3084 * genmatch.c (gen_transform): Adjust last parameter to a three-state
3086 (capture::gen_transform): ... to change behavior when substituting
3087 a condition into cond or not-cond expr context.
3088 (dt_simplify::gen_1): Adjust.
3089 * gimple-match-head.c: Include gimplify.h for unshare_expr.
3090 * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Revert
3091 last change and instead change to
3092 A + (B vcmp C ? 1 : 0) -> A - (B vcmp C ? -1 : 0).
3093 (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
3095 2016-03-22 Anthony Green <green@moxielogic.com>
3097 * config/moxie/moxiebox.h (CC1_SPEC): Define. Fix endianness
3098 issue for moxiebox targets.
3099 (CC1PLUS_SPEC): Ditto.
3101 2016-03-22 Richard Biener <rguenther@suse.de>
3104 * fold-const.c (extract_muldiv_1): Properly perform multiplication
3107 2016-03-22 Kirill Yukhin <kirill.yukhin@intel.com>
3109 * config/i386/i386.c (def_builtin): Remove duplicated functionality.
3111 2016-03-22 Kirill Yukhin <kirill.yukhin@intel.com>
3114 * config/i386/i386.c (def_builtin): Handle
3115 OPTION_MASK_ISA_AVX512VL to be and-ed with other
3117 (const struct builtin_description bdesc_special_args[]):
3118 Remove duplicate ISA bits.
3120 2016-03-22 Jakub Jelinek <jakub@redhat.com>
3123 * config/i386/i386.c (ix86_expand_vecop_qihi): Don't bother computing
3124 d.perm[i] for i >= d.nelt. If not full_interleave, compute d.perm[i]
3125 in a way that works also for AVX512BW.
3128 * config/i386/i386.md (cvtsd2ss splitter): Unpack in destination
3129 instead of source if operands[1] is xmm16 and above and
3130 !TARGET_AVX512VL. Use avx512f_vec_dupv16sf_1 instead of
3131 vec_interleave_lowv4sf if we need to unpack xmm16 and above.
3134 * gimplify.c (gimplify_modify_expr): Call gimple_set_no_warning
3135 on assign if (*from_p) is a comparison, set it to
3136 TREE_NO_WARNING (*from_p).
3138 2016-03-21 Jakub Jelinek <jakub@redhat.com>
3141 * lra.c (restore_scratches): Ignore deleted insns.
3143 2016-03-21 Marc Glisse <marc.glisse@inria.fr>
3144 Jakub Jelinek <jakub@redhat.com>
3146 PR tree-optimization/70317
3147 * match.pd (cmp @0 @0): Pass @0 instead of TYPE_MODE (TREE_TYPE (@0))
3150 2016-03-21 Uros Bizjak <ubizjak@gmail.com>
3153 * config/i386/i386.md (movxi): Use ix86_expand_vector_move instead
3154 of ix86_expand_move.
3156 (movti): Use general_operand for operand 1 predicate.
3158 2016-03-21 Martin Liska <mliska@suse.cz>
3160 * hsa-dump.c (dump_hsa_insn_1): dump default branch of SBR
3162 (dump_hsa_symbol): Dump BRIG offset of hsa_symbols.
3164 2016-03-21 Martin Liska <mliska@suse.cz>
3167 * ipa-icf.c (sem_function::parse): Skip static
3168 constructors and destructors.
3170 2016-03-21 Jakub Jelinek <jakub@redhat.com>
3173 * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If IDENT is
3174 function-like macro, peek following token(s) if it is followed
3175 by CPP_OPEN_PAREN token with optional padding in between, and
3176 if not, don't treat it like a macro.
3178 2016-03-21 Thomas Schwinge <thomas@codesourcery.com>
3179 Alexander Monakov <amonakov@ispras.ru>
3181 * config/nvptx/nvptx.c (nvptx_option_override): Don't emit sorry
3182 for the stabs debug format.
3184 2016-03-21 Richard Biener <rguenther@suse.de>
3186 PR tree-optimization/70310
3187 * tree-vect-generic.c (expand_vector_condition): Fold the built
3190 2016-03-21 Kirill Yukhin <kirill.yukhin@intel.com>
3193 * config/i386/sse.md: (define_insn "*vec_dup<mode>"/AVX2):
3194 Block third alternative for AVX-512VL target,
3196 2016-03-21 Martin Liska <mliska@suse.cz>
3199 * hsa-brig.c (emit_function_directives): Mark unemitted
3200 global variables for emission.
3201 * hsa-gen.c (hsa_symbol::hsa_symbol): Initialize a new flag.
3202 (get_symbol_for_decl): Likewise.
3203 * hsa.h (struct hsa_symbol): New flag.
3205 2016-03-21 Richard Biener <rguenther@suse.de>
3207 PR tree-optimization/70288
3208 * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Make sure
3209 we do not estimate unsimplified all-constant conditionals or
3210 switches as optimized away.
3212 2016-03-21 Andrey Belevantsev <abel@ispras.ru>
3214 PR rtl-optimization/69102
3215 * sched-deps.c (sched_analyze_insn): Do not set last_args_size field
3216 when we have a readonly dependency context.
3218 2016-03-18 Jeff Law <law@redhat.com>
3220 PR rtl-optimization/70263
3221 * ira.c (memref_used_between_p): Assert we found END in the insn chain.
3222 (update_equiv_regs): When trying to move a store to after the insn
3223 that sets the source of the store, make sure the store occurs after
3224 the insn that sets the source of the store. When successful note
3225 the REG_EQUIV note created in the dump file.
3227 2016-03-16 David Wohlferd <dw@LimeGreenSocks.com>
3228 Bernd Schmidt <bschmidt@redhat.com>
3230 * doc/extend.texi: Document more potential problems with basic asms.
3232 2016-03-18 Bernd Schmidt <bschmidt@redhat.com>
3234 PR rtl-optimization/70278
3235 * lra-constraints.c (split_reg): Handle the case where biggest_mode is
3238 2016-03-18 Jason Merrill <jason@redhat.com>
3240 * calls.c (load_register_parameters): Fix zero size sibcall logic.
3242 2016-03-18 Kirill Yukhin <kirill.yukhin@intel.com>
3244 * config/i386/sse.md: Use vpbroadcastq for broadcasting DF
3245 values to 128b regs.
3247 2016-03-18 Ilya Enkovich <enkovich.gnu@gmail.com>
3249 PR tree-optimization/70252
3250 * tree-vect-stmts.c (supportable_widening_operation): Check resulting
3251 boolean vector has a proper number of elements.
3252 (supportable_narrowing_operation): Likewise.
3254 2016-03-18 Tom de Vries <tom@codesourcery.com>
3257 * cgraph.c (cgraph_node::get_body): Set dump_file to NULL after save.
3259 2016-03-18 Jakub Jelinek <jakub@redhat.com>
3261 * reload1.c (emit_input_reload_insns): Use simplify_replace_rtx
3262 instead of replace_rtx for DEBUG_INSNs.
3264 2016-03-18 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
3266 * config/i386/znver1.md : Fix latencies of FP/SSE/AVX
3267 load type reservations.
3269 2016-03-17 John David Anglin <danglin@gcc.gnu.org>
3272 * config/pa/constraints.md: Revert 2015-02-13 change. Use
3273 define_constraint for "Q" and "T" constraints.
3275 2016-03-17 Evandro Menezes <e.menezes@samsung.com>
3277 Tweak the pipeline model for Exynos M1
3279 * config/aarch64/aarch64.c (exynosm1_tunings): Enable weak prefetching
3282 2016-03-17 David Malcolm <dmalcolm@redhat.com>
3285 * diagnostic-show-locus.c (compatible_locations_p): Handle the case
3286 where one or both locations aren't within a line_map.
3288 2016-03-17 H.J. Lu <hongjiu.lu@intel.com>
3291 * opts.c (finish_options): Don't set flag_pie to the default if
3292 -fpic, -fPIC, -fno-pic or -fno-PIC is used. Set flag_pic to 0
3295 2016-03-17 Joern Rennecke <joern.rennecke@embecosm.com>
3297 * config/i386/i386.md (*movv4qicc_insn+1..36): Pass
3298 true as ALL_REGS argument to replace_rtx.
3300 2016-03-17 Richard Biener <rguenther@suse.de>
3303 * dwarf2out.c (dwarf2out_early_finish): Process deferred_asm_name
3306 2016-03-17 Jakub Jelinek <jakub@redhat.com>
3309 * rtl.h (replace_rtx): Add ALL_REGS argument.
3310 * rtlanal.c (replace_rtx): Likewise. If true, use REGNO
3311 equality and assert mode is the same, instead of just rtx pointer
3313 * config/i386/i386.md (mov + arithmetics with load peephole): Pass
3314 true as ALL_REGS argument to replace_rtx.
3316 2016-03-17 Ilya Enkovich <enkovich.gnu@gmail.com>
3318 * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Apply
3319 for boolean vector with vector mode only.
3320 (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
3322 2016-03-17 Nick Clifton <nickc@redhat.com>
3325 * config/rx/rx.c (rx_print_integer): Print negative constants in
3328 2016-03-17 Jakub Jelinek <jakub@redhat.com>
3331 * rtlanal.c (replace_rtx): Revert 2016-03-16 change.
3333 2016-03-16 Richard Henderson <rth@redhat.com>
3334 Richard Biener <rguenth@suse.de>
3339 * gimplify.c (gimplify_expr) [VEC_COND_EXPR]: Gimplify the
3340 first operand as is_gimple_condexpr.
3345 2015-12-11 Eric Botcazou <ebotcazou@adacore.com>
3346 * tree-vect-generic.c (tree_vec_extract): Remove GSI parameter.
3347 Do not gimplify the result.
3348 (do_unop): Adjust call to tree_vec_extract.
3349 (do_binop): Likewise.
3350 (do_compare): Likewise.
3351 (do_plus_minus): Likewise.
3352 (do_negate): Likewise.
3353 (expand_vector_condition): Likewise.
3354 (do_cond): Likewise.
3356 2016-03-16 Richard Henderson <rth@redhat.com>
3359 * config/aarch64/aarch64.c (virt_or_elim_regno_p): New.
3360 (aarch64_classify_address): Use it.
3361 (aarch64_legitimize_address): Force all subexpressions of PLUS
3362 into registers. Simplify as (sfp+const)+reg or (reg+reg)+const.
3364 2016-03-16 Jakub Jelinek <jakub@redhat.com>
3365 Richard Biener <rguenth@suse.de>
3368 * rtlanal.c (replace_rtx): For REG, if from is a REG,
3369 return to even if only REGNO is equal, and assert
3372 2016-03-11 Jeff Law <law@redhat.com>
3374 PR rtl-optimization/70224
3375 * reorg.c (relax_delay_slots): Pass right argument to CROSSING_JUMP_P.
3377 2016-03-16 Richard Henderson <rth@redhat.com>
3380 * function.h (struct function): Add has_forced_label_in_static.
3381 * gimplify.c (force_labels_r): Set it.
3382 * lto-streamer-in.c (input_struct_function_base): Read it.
3383 * lto-streamer-out.c (output_struct_function_base): Write it.
3384 * tree-inline.c (has_label_address_in_static_1): Remove.
3385 (copy_forbidden): Remove fndecl parameter; test
3386 has_forced_label_in_static.
3387 (inline_forbidden_p): Update call to copy_forbidden.
3388 (tree_versionable_function_p): Likewise.
3389 * ipa-chkp.c (chkp_instrumentable_p): Likewise.
3390 (chkp_versioning): Likewise.
3391 * tree-inline.h (copy_forbidden): Update decl.
3393 2016-03-16 Marek Polacek <polacek@redhat.com>
3396 * cgraphunit.c (cgraph_node::expand_thunk): Also build call to the
3397 function being thunked if the result type doesn't have fixed size.
3398 * gimplify.c (gimplify_modify_expr): Also set LHS if the result type
3399 doesn't have fixed size.
3401 2016-03-16 Bin Cheng <bin.cheng@arm.com>
3403 * tree-vect-loop.c (vect_analyze_loop_2): Fix wrong dump info by
3404 reporting malformed loop nest.
3406 2016-03-16 Tom de Vries <tom@codesourcery.com>
3409 * ipa-devirt.c (possible_polymorphic_call_targets): Move
3410 nodes.length () == 1 test to before first nodes[0] access.
3412 2016-03-16 Tom de Vries <tom@codesourcery.com>
3414 PR tree-optimization/68715
3415 * graphite-scop-detection.c (scop_detection::merge_sese): Add missing
3418 2016-03-16 Tom de Vries <tom@codesourcery.com>
3420 PR tree-optimization/68809
3421 * graphite-scop-detection.c (same_close_phi_node): Test if result types
3424 2016-03-16 Carlos O'Donell <carlos@redhat.com>
3425 Sandra Loosemore <sandra@codesourcery.com>
3427 * doc/extend.texi (Common Function Attributes): Describe ifunc impact
3428 on leaf attribute. Mention ELF interposition problems.
3430 2016-03-16 Alan Modra <amodra@gmail.com>
3432 PR rtl-optimization/69195
3433 PR rtl-optimization/47992
3434 * ira.c (indirect_jump_optimize): Ignore artificial defs.
3437 2016-03-15 Eric Botcazou <ebotcazou@adacore.com>
3440 * dwarf2out.c (flush_limbo_die_list): Really flush the limbo list.
3442 2016-03-15 Senthil Kumar Selvaraj <senthil_kumar.selvaraj@atmel.com>
3444 * config/avr/avr.md (rotl<mode>3): Set mode for operand 2.
3446 2016-03-15 Jakub Jelinek <jakub@redhat.com>
3448 PR rtl-optimization/70222
3449 * combine.c (simplify_shift_const_1): For A >> B >> C LSHIFTRT
3450 optimization if mode is different from result_mode, queue up masking
3451 of the result in outer_op. Formatting fix.
3454 * tree-ssa-sccvn.c (VN_INFO_GET): Use safe_grow_cleared instead
3457 2016-03-15 Andrey Belevantsev <abel@ispras.ru>
3459 PR rtl-optimization/69032
3460 * sel-sched-ir.c (get_seqno_by_preds): Include both insn and head when
3461 looping backwards over basic block insns.
3463 2016-03-15 Andrey Belevantsev <abel@ispras.ru>
3466 * sel-sched-ir.c (merge_expr): Avoid changing the speculative pattern
3467 to non-speculative when propagating trap bits.
3469 2016-03-15 Andrey Belevantsev <abel@ispras.ru>
3471 PR rtl-optimization/63384
3472 * sel-sched.c (invoke_aftermath_hooks): Do not decrease issue_more on
3475 2016-03-15 Andrey Belevantsev <abel@ispras.ru>
3478 * sched-deps.c (get_implicit_reg_pending_clobbers): New function,
3479 factored out from ...
3480 (sched_analyze_insn): ... here.
3481 * sched-int.h (get_implicit_reg_pending_clobbers): Declare it.
3482 * sel-sched-ir.c (setup_id_implicit_regs): New function, use
3483 get_implicit_reg_pending_clobbers in it.
3484 (setup_id_reg_sets): Use setup_id_implicit_regs.
3485 (deps_init_id): Ditto.
3487 2016-03-15 Tom de Vries <tom@codesourcery.com>
3490 * cgraph.c (cgraph_node::get_body): Save, reset and restore
3492 * passes.c (execute_one_ipa_transform_pass): Add missing argument to
3493 execute_function_dump.
3494 (execute_one_pass): Don't dump function if it will be dumped after ipa
3497 2016-03-15 Segher Boessenkool <segher@kernel.crashing.org>
3499 * genrecog.c (match_pattern_2): If pred is NULL don't call
3500 safe_predicate_mode on it.
3502 2016-03-14 Jakub Jelinek <jakub@redhat.com>
3505 * lra-constraints.c (delete_move_and_clobber): Change assertion
3506 to also allow dregno == 0.
3508 2016-03-14 Richard Henderson <rth@redhat.com>
3511 * tree-ssa-reassoc.c (ovce_extract_ops, optimize_vec_cond_expr): New.
3512 (can_reassociate_p): Allow ANY_INTEGRAL_TYPE_P.
3513 (reassociate_bb): Use optimize_vec_cond_expr; avoid
3514 optimize_range_tests, attempt_builtin_copysign and attempt_builtin_powi
3517 2016-03-14 Bernd Schmidt <bschmidt@redhat.com>
3520 * lra-lives.c (process_bb_lives): Also update biggest mode for hard
3522 (lra_create_live_ranges_1): initialize hard register biggest_mode to
3524 * lra-constraints.c (split_reg): For hard regs, try to find the
3525 biggest single-register mode used in the function.
3527 2016-03-14 Richard Biener <rguenther@suse.de>
3529 PR tree-optimization/56365
3530 * tree-ssa-phiopt.c (minmax_replacement): Handle alternate
3531 constants to compare against.
3533 2016-03-14 Segher Boessenkool <segher@kernel.crashing.org>
3536 * config/rs6000/rs6000.md (*ctr<mode>_internal1, *ctr<mode>_internal2,
3537 *ctr<mode>_internal5, *ctr<mode>_internal6): Also allow "d" as output.
3538 (define_split for the GPR case): Use int_reg_operand instead of
3539 gpc_reg_operand for the output.
3541 2016-03-14 Tom de Vries <tom@codesourcery.com>
3543 PR tree-optimization/70045
3544 * graphite-isl-ast-to-gimple.c (graphite_create_new_loop_guard): Unshare
3545 create_empty_if_region_on_edge argument.
3547 2016-03-13 Eric Botcazou <ebotcazou@adacore.com>
3549 * config/arm/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Define.
3550 (STACK_CHECK_PROTECT): Likewise.
3551 * config/i386/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise
3552 (STACK_CHECK_PROTECT): Likewise.
3553 * config/rs6000/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise
3554 (STACK_CHECK_PROTECT): Likewise.
3555 * config/rs6000/vxworksae.h (STACK_CHECK_PROTECT): Likewise.
3556 * config/sparc/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise.
3557 (STACK_CHECK_PROTECT): Likewise.
3559 2016-03-12 Andrey Belevantsev <abel@ispras.ru>
3561 PR rtl-optimization/69307
3562 * sel-sched.c (choose_best_pseudo_reg): Properly check for hard
3563 registers in modes that span more than one register.
3565 2016-03-12 Vladimir Makarov <vmakarov@redhat.com>
3568 * lra-constraints.c (delete_move_and_clobber): New.
3569 (remove_inheritance_pseudos): Use it.
3571 2016-03-12 Eric Botcazou <ebotcazou@adacore.com>
3574 * calls.c (emit_library_call_value_1): Clear the ECF_NOTHROW flag if
3575 the libcall is LCT_THROW.
3576 * explow.c (probe_stack_range): Pass LCT_THROW to emit_library_call
3577 for the checking routine.
3579 2016-03-11 Michael Meissner <meissner@linux.vnet.ibm.com>
3582 * config/rs6000/rs6000.md (round32<mode>2_fprs): Do not do the
3583 optimization if we have direct move.
3584 (roundu32<mode>2_fprs): Likewise.
3586 2016-03-11 Bernd Schmidt <bschmidt@redhat.com>
3589 * lra-remat.c (operand_to_remat): Disallow hard regs in the value t
3591 (reg_overlap_for_remat_p): Renamed from input_regno_present_p.
3592 Arguments swapped. All callers changed. Take reg_renumber into
3593 account, and Calculate and compare register ranges for hard regs.
3595 2016-03-11 Jeff Law <law@redhat.com>
3597 PR tree-optimization/70190
3598 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
3599 Handle cases where we can not extract the taken edge, even though we
3600 found a constant value.
3602 PR tree-optimization/64058
3603 * tree-ssa-coalesce.c (struct coalesce_pair): Add new field INDEX.
3604 (num_coalesce_pairs): Move up earlier in file.
3605 (find_coalesce_pair): Initialize the INDEX field for each pair
3607 (compare_pairs): No longer sort on the elements in each pair.
3608 Instead break ties with the index of the coalesce pair.
3610 2016-03-11 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
3613 * config/aarch64/aarch64-protos.h
3614 (aarch64_save_restore_target_globals): New prototype.
3615 * config/aarch64/aarch64-c.c (aarch64_pragma_target_parse):
3616 Call the above when popping pragma.
3617 * config/aarch64/aarch64.c (aarch64_save_restore_target_globals):
3619 (aarch64_set_current_function): Rewrite using the above.
3621 2016-03-11 Jakub Jelinek <jakub@redhat.com>
3623 PR tree-optimization/70177
3624 * gimple-expr.h (extract_ops_from_tree_1): Renamed to ...
3625 (extract_ops_from_tree): ... this. In the 2 argument
3626 overload remove _1 suffix.
3627 * gimple-expr.c (extract_ops_from_tree_1): Renamed to ...
3628 (extract_ops_from_tree): ... this.
3629 * gimple.c (gimple_build_assign, gimple_assign_set_rhs_from_tree):
3631 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Likewise.
3632 * tree-ssa-forwprop.c (defcodefor_name): Call 3 operand
3633 extract_ops_from_tree instead of 2 operand one.
3635 2016-03-11 Alan Lawrence <alan.lawrence@arm.com>
3637 PR tree-optimization/70013
3638 * tree-sra.c (analyze_access_subtree): Also set grp_unscalarized_data
3639 for constant-pool entries.
3641 2016-03-11 Jakub Jelinek <jakub@redhat.com>
3643 PR rtl-optimization/70174
3644 * expmed.c (store_bit_field_using_insv): Use gen_lowpart_if_possible
3645 followed by gen_lowpart on force_reg instead of just gen_lowpart.
3647 PR tree-optimization/70169
3648 * tree-ssa-loop.c (gen_lsm_tmp_name): Handle FUNCTION_DECL and
3649 LABEL_DECL like VAR_DECL. Emit nothing instead of gcc_unreachable
3652 2016-03-11 Ilya Enkovich <enkovich.gnu@gmail.com>
3653 Jakub Jelinek <jakub@redhat.com>
3656 * config/i386/i386.c (scalar_chain::convert_reg): Skip uses
3657 of uninitialized values.
3659 2016-03-11 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
3661 * config/s390/s390.md ("trunctddd2"): Turn former define_insn into
3663 ("*trunctddd2"): New pattern definition.
3664 ("trunctdsd2"): Set prep_for_short_prec rounding mode for the
3667 2016-03-11 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
3669 * config/s390/s390.md (BFP_RND_*, DFP_RND_*): Add new constant
3670 definitions for BFP and DFP rounding modes.
3671 ("fixuns_truncdddi2", "fixuns_trunctddi2")
3672 ("fixuns_trunc<BFP:mode><GPR:mode>2", "fixuns_trunc<mode>si2")
3673 ("fix_trunc<DSF:mode><GPR:mode>2", "fix_trunc<mode>di2")
3674 ("fix_trunctf<mode>2"): Use the new constants instead of magic
3677 2016-03-11 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
3679 * config/s390/constraints.md: Adjust comment.
3680 ("Y"): Adjust comment. Rename s390_decompose_shift_count to
3681 s390_decompose_addrstyle_without_index.
3682 * config/s390/predicates.md (shift_count_or_setmem_operand):
3683 Rename to setmem_operand.
3684 * config/s390/s390-protos.h
3685 (s390_decompose_shift_count): Rename to
3686 s390_decompose_addrstyle_without_index.
3687 * config/s390/s390.c (s390_decompose_shift_count)
3688 (s390_mem_constraint, print_shift_count_operand)
3689 (print_operand_address, print_operand): Rename
3690 s390_decompose_shift_count to
3691 s390_decompose_addrstyle_without_index and rename
3692 print_shift_count_operand to print_addrstyle_operand troughout the
3694 * config/s390/s390.md ("setmem_long_<P:mode>", "*setmem_long")
3695 ("*setmem_long_and", "*setmem_long_31z", "*setmem_long_and_31z"):
3696 Rename shift_count_or_setmem_operand to setmem_operand.
3697 * config/s390/vx-builtins.md ("vec_insert<mode>")
3698 ("vec_promote<mode>"): Replace shift_count_or_setmem_operand with
3701 2016-03-10 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3704 * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap):
3705 Handle overlapping retval and newval.
3707 2016-03-10 Nick Clifton <nickc@redhat.com>
3710 * config/aarch64/aarch64.c
3711 (aarch64_override_options_after_change_1): When forcing
3712 flag_omit_frame_pointer to be true, use a special value that can
3713 be detected if this function is called again, thus preventing
3714 flag_omit_leaf_frame_pointer from being forced to be false.
3716 2016-03-10 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
3718 * common/config/aarch64/aarch64-common.c (aarch64_handle_option):
3719 Set x_flag_omit_leaf_frame_pointer when handling
3720 -momit-leaf-frame-pointer.
3722 2016-03-10 Jan Hubicka <hubicka@ucw.cz>
3725 * cgraph.c (cgraph_node::dump): Dump split_part and
3726 indirect_call_target.
3727 * cgraph.h (cgraph_node): Add indirect_call_target flag.
3728 * ipa.c (has_addr_references_p): Cleanup.
3729 (is_indirect_call_target_p): New.
3730 (walk_polymorphic_call_targets): Do not mark virtuals that may be
3731 called indirectly as local.
3732 (symbol_table::remove_unreachable_nodes): Compute indirect_call_target.
3734 2016-03-10 Jan Hubicka <hubicka@ucw.cz>
3737 * ipa-devirt.c (possible_polymorphic_call_targets): Do not ICE
3738 on cxa_pure_virtual.
3740 2016-03-10 Jan Hubicka <hubicka@ucw.cz>
3743 * tree.c (free_lang_data_in_decl): Clear visibility of TYPE_DECL.
3745 2016-03-10 Jan Hubicka <hubicka@ucw.cz>
3748 * tree.c (need_assembler_name_p): Only record main variant type names.
3750 2016-03-10 Christophe Lyon <christophe.lyon@linaro.org>
3753 * config/aarch64/aarch64.h (TARGET_FIX_ERR_A53_843419_DEFAULT):
3754 Always define to 0 or 1.
3755 (TARGET_FIX_ERR_A53_843419): New macro.
3756 * config/aarch64/aarch64-elf-raw.h
3757 (TARGET_FIX_ERR_A53_843419_DEFAULT): Update for above changes.
3758 * config/aarch64/aarch64-linux.h: Likewise.
3759 * config/aarch64/aarch64.c
3760 (aarch64_override_options_after_change_1): Do not default
3761 aarch64_nopcrelative_literal_loads to true if Cortex-A53 erratum
3763 (aarch64_attributes): Handle fix-cortex-a53-843419.
3764 (aarch64_can_inline_p): Likewise.
3765 * config/aarch64/aarch64.opt (aarch64_fix_a53_err843419): Save.
3767 2016-03-10 Alan Lawrence <alan.lawrence@arm.com>
3768 Jakub Jelinek <jakub@redhat.com>
3770 * common.opt (funconstrained-commons, flag_unconstrained_commons): New.
3771 * tree.c (array_at_struct_end_p): Do not limit to size of decl for
3772 DECL_COMMONS if flag_unconstrained_commons is set.
3773 * tree-dfa.c (get_ref_base_and_extent): Likewise.
3774 * doc/invoke.texi (Optimize Options): Add -funconstrained-commons.
3775 (funconstrained-commons): Document.
3777 2016-03-10 Christophe Lyon <christophe.lyon@linaro.org>
3779 * config/aarch64/t-aarch64 (OPTIONS_H_EXTRA): Add
3780 aarch64-fusion-pairs.def and aarch64-tuning-flags.def
3782 2016-03-10 Ilya Enkovich <enkovich.gnu@gmail.com>
3784 * tree-vect-stmts.c (vectorizable_mask_load_store): Check mask
3785 has a proper number of elements.
3787 2016-03-10 Alan Modra <amodra@gmail.com>
3789 PR rtl-optimization/69195
3790 PR rtl-optimization/47992
3791 * ira.c (recorded_label_ref): Delete.
3792 (update_equiv_regs): Return void.
3793 (indirect_jump_optimize): New function.
3794 (ira): Call indirect_jump_optimize and delete_trivially_dead_insns
3795 before regstat_compute_ri. Don't rebuild_jump_labels here.
3796 Delete update_regstat.
3798 2016-03-10 Richard Biener <rguenther@suse.de>
3800 PR tree-optimization/70128
3801 * tree-ssa-structalias.c (set_uids_in_ptset): Set
3802 vars_contains_nonlocal for any FUNCTION_DECL or LABEL_DECL.
3804 2016-03-09 Jakub Jelinek <jakub@redhat.com>
3806 PR tree-optimization/70152
3807 * tree-sra.c (replace_removed_params_ssa_names): Copy over
3808 SSA_NAME_OCCURS_IN_ABNORMAL_PHI from old_name to new_name.
3811 * config/i386/i386.md (truncdfsf2 splitter): Use gen_vec_concatv2df
3812 instead of gen_sse2_loadlpd.
3813 * config/i386/sse.md (*vec_concatv2df): Rename to...
3814 (vec_concatv2df): ... this.
3816 PR tree-optimization/70127
3817 * fold-const.c (operand_equal_p): Revert the 2015-10-28 change.
3819 2016-03-09 David Malcolm <dmalcolm@redhat.com>
3823 * diagnostic-show-locus.c (compatible_locations_p): New function.
3824 (layout::layout): Sanitize ranges using compatible_locations_p.
3826 2016-03-09 David Malcolm <dmalcolm@redhat.com>
3830 * diagnostic-show-locus.c (layout_range::layout_range): Replace
3831 location_range param with three const expanded_locations * and a
3833 (layout::layout): Replace call to
3834 rich_location::lazily_expand_location with get_expanded_location.
3835 Extract the range and perform location expansion here, passing
3836 the results to the layout_range ctor.
3837 * diagnostic.c (source_range::debug): Delete.
3838 * diagnostic.h (diagnostic_expand_location): Reimplement in terms
3839 of rich_location::get_expanded_location.
3840 * gcc-rich-location.c (get_range_for_expr): Delete.
3841 (gcc_rich_location::add_expr): Reimplement to avoid the
3842 rich_location::add_range overload that took a location_range,
3843 passing a location_t instead.
3845 2016-03-09 Richard Biener <rguenther@suse.de>
3846 Jakub Jelinek <jakub@redhat.com>
3848 PR tree-optimization/70138
3849 * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
3850 Also skip vect_double_reduction_def.
3852 2016-03-09 Jakub Jelinek <jakub@redhat.com>
3855 * config/i386/sse.md (*vec_extract<mode>): Use %0 instead of %k0
3856 if the operand is "m".
3858 2016-03-09 Nathan Sidwell <nathan@acm.org>
3860 * config/nvptx/nvptx.c (nvptx_option_override): Don't kill debug level.
3862 2016-03-09 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
3864 * config/i386/i386.c (processor_target_table): Fix cost table
3865 intialization order for znver1.
3867 2016-03-08 Jakub Jelinek <jakub@redhat.com>
3869 * ipa-polymorphic-call.c (walk_ssa_copies): Fix spelling
3870 - becuase -> because.
3871 * ipa-reference.c (ignore_module_statics): Likewise.
3872 * cgraph.c (cgraph_node::get_body): Likewise.
3873 * ipa-inline.c (early_inliner): Likewise.
3874 * ipa-devirt.c (types_same_for_odr): Likewise.
3875 * tree-streamer-out.c (pack_ts_type_common_value_fields): Likewise.
3876 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Likewise.
3878 2016-03-08 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
3880 * tree-ssa-math-opts.c: Fix typo in comment.
3882 2016-03-08 Jakub Jelinek <jakub@redhat.com>
3885 * config/i386/i386.c (scalar_chain::make_vector_copies,
3886 scalar_chain::convert_reg): Call end_sequence in between
3887 get_insns and emit_conversion_insns rather than after both
3890 2016-03-07 Uros Bizjak <ubizjak@gmail.com>
3893 * config/i386/i386.h (machine_function): Add
3894 pc_thunk_call_expanded flag.
3895 (ix86_pc_thunk_call_expanded): New define.
3896 * config/i386/i386.md (set_got, set_got_labelled): New expanders.
3897 (*set_got): Rename insn pattern from set_got.
3898 (*set_got_labelled): Rename inst pattern from set_got_labelled.
3899 * config/i386/i386.c (ix86_compute_frame_layout): Use
3900 ix86_pc_thunk_call_expanded to prevent red-zone.
3902 2016-03-07 Martin Jambor <mjambor@suse.cz>
3904 * hsa.h (hsa_get_ctor_statements): Declare.
3905 (hsa_get_dtor_statements): Likewise.
3906 (hsa_get_kernel_dispatch_type): Likewise.
3907 * hsa.c (hsa_get_ctor_statements): New function.
3908 (hsa_get_dtor_statements): Likewise.
3909 (hsa_get_kernel_dispatch_type): Likewise.
3910 * hsa-brig.c (hsa_cdtor_statements): Removed.
3911 (hsa_output_libgomp_mapping): Use hsa_get_ctor_statements and
3912 hsa_get_dtor_statements.
3913 * hsa-gen.c (hsa_kernel_dispatch_type): Removed.
3914 (get_hsa_kernel_dispatch_offset): Use hsa_get_kernel_dispatch_type.
3916 2016-03-07 Andre Vieira <andre.simoesdiasvieira@arm.com>
3918 * config/arm/arm-cores.def (cortex-r8): New.
3919 * config/arm/arm-tables.opt (cortex-r8): Regenerate.
3920 * config/arm/arm-tune.md: Likewise.
3921 * gcc/doc/invoke.texi: Add cortex-r8 to list of cpu values.
3923 2016-03-07 Martin Sebor <msebor@redhat.com>
3925 PR rtl-optimization/19705
3926 * doc/invoke.texi (Options That Control Optimization): Clarify
3927 -fno-branch-count-reg.
3929 2016-02-26 Richard Biener <rguenther@suse.de>
3930 Jeff Law <law@redhat.com>
3932 PR tree-optimization/69740
3933 * cfghooks.c (remove_edge): Request loop fixups if we delete
3934 an edge that might turn an irreducible loop into a natural
3936 * cfgloop.h (check_verify_loop_structure): Clear LOOPS_NEED_FIXUP.
3937 Move after definition of loops_state_clear.
3939 2016-03-07 Bin Cheng <bin.cheng@arm.com>
3941 PR rtl-optimization/69052
3942 * rtlanal.c (commutative_operand_precedence): Set higher precedence
3945 2016-03-07 Tom de Vries <tom@codesourcery.com>
3947 PR tree-optimization/70116
3948 * tree-ssa-tail-merge.c (merge_stmts_p): New function, handling
3949 is_tm_ending stmts and ubsan/asan internal functions.
3950 (find_duplicate): Use it. Don't test is_tm_ending here.
3952 2016-03-07 Richard Biener <rguenther@suse.de>
3954 PR tree-optimization/70115
3955 * tree-ssa-loop-ivcanon.c (propagate_into_all_uses): Remove.
3956 (propagate_constants_for_unrolling): Use replace_uses_by.
3958 2016-03-07 Nathan Sidwell <nathan@codesourcery.com>
3961 * omp-low.c (struct oacc_loop): Add ifns.
3962 (new_oacc_loop_raw): Initialize it.
3963 (finish_oacc_loop): Clear mask & flags if no ifns.
3964 (oacc_loop_discover_walk): Count IFN_GOACC_LOOP calls.
3965 (oacc_loop_xform_loop): Add ifns arg & adjust.
3966 (oacc_loop_process): Adjust oacc_loop_xform_loop call.
3968 2016-03-07 Richard Henderson <rth@redhat.com>
3971 * tree-outofssa.c (emit_partition_copy): Flush pending stack adjust.
3972 (insert_value_copy_on_edge): Likewise.
3974 2016-03-07 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
3976 * config/arm/arm_neon.h: Show error if using with soft-float ABI.
3978 2016-03-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3981 * config/i386/sol2.h (STACK_REALIGN_DEFAULT): Define.
3983 2016-03-05 Venkataramanan Kumar <Venkataramanan.kumar@amd.com>
3985 * config/i386/i386.c (znver1_cost): Fix Multiply cost.
3987 2016-03-05 Venkataramanan Kumar <Venkataramanan.kumar@amd.com>
3989 Fix sseimul type attribute.
3990 * config/i386/znver1.md
3991 (znver1_sseimul, znver1_sseimul_avx256, znver1_sseimul_load,
3992 znver1_sseimul_avx256_load) : Fix the type attribute.
3993 (znver1_sseimul_di, znver1_sseimul_load_di): Fix type attribute,
3994 pipe usage and latency.
3996 2016-03-05 Jakub Jelinek <jakub@redhat.com>
3999 * tree-inline.c (copy_tree_body_r): When cancelling ADDR_EXPR
4000 of INDIRECT_REF and ADDR_EXPR changed type, fold_convert it
4003 2016-03-04 Bernd Schmidt <bschmidt@redhat.com>
4006 * targhooks.c (default_vector_alignment): Limit to MAX_OFILE_ALIGNMENT.
4008 PR rtl-optimization/69941
4009 * postreload.c (reload_combine_recognize_pattern): Ensure all uses of
4010 the reg share its mode.
4012 2016-03-04 Jeff Law <law@redhat.com>
4014 PR tree-optimization/69196
4015 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
4016 If the both SSA_NAMEs are anonymous, then consider them unassociated
4017 and include the PHI in the statement count.
4019 2016-03-05 Tom de Vries <tom@codesourcery.com>
4021 * omp-low.c (check_omp_nesting_restrictions): Check for non-oacc
4022 construct in oacc routine. Check for oacc region in oacc routine.
4024 2016-03-04 Jakub Jelinek <jakub@redhat.com>
4027 * config/i386/i386.c (decide_alg): Add RECUR argument. Revert
4028 2016-02-22 changes, instead don't recurse if RECUR is already true.
4029 Don't change *dynamic_check if RECUR. Adjust recursive caller
4030 to pass true to the new argument.
4031 (ix86_expand_set_or_movmem): Adjust decide_alg caller.
4034 * config/i386/sse.md (vec_set_lo_<mode><mask_name>,
4035 <extract_type_2>_vinsert<shuffletype><extract_suf_2>_mask): Formatting
4037 (vec_set_hi_<mode><mask_name>): Likewise. Swap VEC_CONCAT operands.
4039 2016-03-04 Bernd Schmidt <bschmidt@redhat.com>
4041 PR rtl-optimization/57676
4042 * lra-assigns.c (lra_assign): Guard test for maximum iterations
4045 2016-03-04 Ilya Enkovich <enkovich.gnu@gmail.com>
4047 * tree-vect-patterns.c (search_type_for_mask): Handle
4048 comparison of booleans.
4050 2016-03-04 Jakub Jelinek <jakub@redhat.com>
4052 * doc/extend.texi (__builtin_alloca, __builtin_alloca_with_align):
4056 * dwarf2out.c (prune_unused_types_walk_loc_descr): Handle
4057 all other ops that have dw_val_class_die_ref operands,
4058 and DW_OP_GNU_entry_value.
4060 2016-03-03 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
4062 PR rtl-optimization/69904
4063 * config/arm/arm.c (arm_cannot_copy_insn_p):
4064 Return true for load-exclusive instructions.
4066 2016-03-03 Jakub Jelinek <jakub@redhat.com>
4069 * tree-vect-stmts.c (vect_mark_relevant): Remove USED_IN_PATTERN
4070 argument, if STMT_VINFO_IN_PATTERN_P (stmt_info), always mark
4071 the pattern no matter if it is used just by non-pattern, pattern
4073 (process_use, vect_mark_stmts_to_be_vectorized): Adjust callers.
4074 * tree-vect-patterns.c (vect_recog_vector_vector_shift_pattern): If
4075 oprnd1 def_stmt is in pattern, don't look through it.
4077 2016-03-03 Marek Polacek <polacek@redhat.com>
4080 * match.pd (X % -Y): Add INTEGRAL_TYPE_P check.
4082 2016-03-03 Martin Liska <mliska@suse.cz>
4084 PR tree-optimization/70043
4085 * tree-vect-loop.c (optimize_mask_stores): Move iterator to
4086 previous statement if we see a debug statement.
4088 2016-03-03 Richard Biener <rguenther@suse.de>
4090 PR tree-optimization/55936
4091 * tree-vrp.c (compare_name_with_value): Add use_equiv_p
4092 parameter and guard unsafe equivalence use.
4093 (vrp_evaluate_conditional_warnv_with_ops): Always use
4094 safe equivalences but not via the quadratic compare_names
4097 2016-03-03 Michael Collison <michael.collison@linaro.org>
4100 * config/arm/arm.md (*subsi3_carryin_const): Change predicate
4101 for operand 1 to s_register_operand. Change predicate for operand
4102 2 to arm_not_immediate_operand.
4104 2016-03-02 H.J. Lu <hongjiu.lu@intel.com>
4106 * doc/tm.texi: Regenerated.
4108 2016-03-02 Richard Henderson <rth@redhat.com>
4111 * simplify-rtx.c (simplify_plus_minus): Allow reassoc without
4112 simplification when all args are positive non-fixed registers.
4114 2016-03-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4116 * target.def (lra_p): Specify that new ports should use LRA.
4118 2016-03-02 Jakub Jelinek <jakub@redhat.com>
4121 * gimplify.c (gimplify_decl_expr): For decls with REFERENCE_TYPE, also
4122 gimplify_type_sizes the type they refer to.
4123 (omp_notice_variable): Handle reference vars to VLAs.
4124 * omp-low.c (lower_omp_target): Emit setup of OMP_CLAUSE_PRIVATE
4125 reference to VLA decls in the second pass instead of first pass.
4127 2016-03-02 Tom de Vries <tom@codesourcery.com>
4129 PR tree-optimization/68659
4130 * graphite-isl-ast-to-gimple.c (collect_all_ssa_names): Handle
4131 new_expr == NULL_TREE.
4132 (get_new_name): Handle ADDR_EXPR.
4134 2016-03-02 Bin Cheng <bin.cheng@arm.com>
4136 PR rtl-optimization/69052
4137 * loop-invariant.c (canonicalize_address): New function.
4138 (inv_can_prop_to_addr_use): Check validity of address expression
4139 which is canonicalized by above function.
4141 2016-03-02 Alan Modra <amodra@gmail.com>
4144 * ipa-icf.c (sem_variable::merge): Do not merge an alias with
4147 2016-03-02 Jakub Jelinek <jakub@redhat.com>
4150 * config/i386/i386.md (kmovw): Move m constraint to 2nd alternative.
4151 (*movhi_internal): Put mask moves from and to memory separately
4152 from moves from/to GPRs.
4154 2016-03-02 Richard Biener <rguenther@suse.de>
4156 * genmatch.c (dt_node::gen_kids): Fix match code-gen for embedded
4157 GENERIC expressions in GIMPLE.
4159 2016-03-02 Richard Biener <rguenther@suse.de>
4161 * config/i386/i386.c (type_natural_mode): Fix typo.
4163 2016-03-02 Nick Clifton <nickc@redhat.com>
4165 * config.gcc (mep-*-elf): Add newlib-stdint.h to tm_file.
4167 2016-03-02 Richard Biener <rguenther@suse.de>
4168 Uros Bizjak <ubizjak@gmail.com>
4171 * config/i386/i386.c (type_natural_mode): Handle XFmode vectors.
4173 2016-03-02 Richard Biener <rguenther@suse.de>
4176 * tree-cfg.c (verify_expr): Adjust BIT_FIELD_REF case.
4178 2016-03-02 Marek Polacek <polacek@redhat.com>
4181 * gimplify.c (gimplify_va_arg_expr): Use expanded location for the
4182 "is promoted to" warning.
4184 2016-03-01 DJ Delorie <dj@redhat.com>
4186 * config.gcc: Deprecate mep-*.
4188 2016-03-01 Vladimir Makarov <vmakarov@redhat.com>
4191 * lra-constraints.c (regno_val_use_in): New.
4192 (match_reload): Use it instead of regno_use_in.
4194 2016-03-01 Eric Botcazou <ebotcazou@adacore.com>
4196 PR rtl-optimization/70007
4197 * gcse.c (compute_ld_motion_mems): Tidy up and also invalidate memory
4198 references present in REG_EQUAL notes attached to non-SET patterns.
4200 2016-03-01 Jeff Law <law@redhat.com>
4202 PR tree-optimization/69196
4203 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
4204 Appropriately clamp the number of statements to copy when the
4205 thread path does not traverse a loop backedge.
4207 PR tree-optimization/69196
4208 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
4209 Do count some PHIs in the thread path against the insn count. Decrease
4210 final statement count by one as the control statement in the last
4211 block will get removed. Remove special cased code for handling PHIs
4214 2016-03-01 Uros Bizjak <ubizjak@gmail.com>
4217 * config/i386/i386.c (ix86_output_call_insn): Add -masm=intel
4218 asm dialect alternatives to explicit GOTPCREL calls.
4220 2016-03-01 Eric Botcazou <ebotcazou@adacore.com>
4223 * ira.c (do_reload): Issue warning for generic stack checking here...
4224 * reload1.c (reload): ...instead of here and streamline it.
4226 2016-03-01 Nick Clifton <nickc@redhat.com>
4228 * config.gcc (cr16-*-elf): Add newlib-stdint.h to tm_file.
4230 2016-03-01 Richard Biener <rguenther@suse.de>
4232 PR tree-optimization/69983
4233 * tree-chrec.c (eq_evolutions_p): Handle conversions, compare
4234 types and fall back to operand_equal_p.
4236 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
4239 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
4241 * config/s390/constraints.md ("jm8"): New constraint.
4242 * config/s390/predicates.md ("const_int_8bitset_operand"): New
4244 * config/s390/s390.md ("*setmem_long", "*setmem_long_and"): Merge
4246 ("*setmem_long<setmem_and>"): New pattern.
4247 ("*setmem_long_31z", "*setmem_long_and_31z"): Merge
4249 ("*setmem_long_31z<setmem_and>"): New pattern.
4250 * config/s390/subst.md ("setmem_31z_subst", "setmem_and_subst"):
4251 New substitution rules with the required attributes.
4254 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
4257 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
4259 * gensupport.c (process_substs_on_one_elem): Split loop to
4260 complete mark_operands_used_in_match_dup on all expressions in the
4262 (adjust_operands_numbers): Inline into process_substs_on_one_elem
4263 and remove function.
4265 2016-03-01 Richard Biener <rguenther@suse.de>
4268 * fold-const.c (fold_indirect_ref_1): Fix range checking for
4269 vector BIT_FIELD_REF extract.
4271 2016-03-01 Richard Biener <rguenther@suse.de>
4273 PR tree-optimization/69994
4274 * tree-ssa-reassoc.c (ops_equal_values_p): Handle missing case.
4276 2016-03-01 Ilya Enkovich <enkovich.gnu@gmail.com>
4278 PR tree-optimization/69956
4279 * tree-vect-stmts.c (supportable_widening_operation): Support
4280 multi-step conversion of boolean vectors.
4281 (supportable_narrowing_operation): Likewise.
4283 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
4285 * config/s390/s390.c (s390_decompose_address): Don't accept SImode
4288 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
4290 * config/s390/subst.md (DSI_VI): New mode iterator.
4291 ("addr_style_op_subst"): Use DSI_VI instead of DSI.
4292 * config/s390/vector.md ("vec_set<mode>"): Move expander before
4293 the insn definition.
4294 ("*vec_set<mode>"): Change predicate and add alternative to
4295 support only either register or const_int operands as element
4297 ("*vec_set<mode>_plus"): New pattern to support reg + const_int
4299 ("vec_extract<mode>"): New expander.
4300 ("*vec_extract<mode>"): New insn definition supporting reg and
4301 const_int element selectors.
4302 ("*vec_extract<mode>_plus"): New insn definition supporting
4303 reg+const_int element selectors.
4304 ("rotl<mode>3", "ashl<mode>3", "ashr<mode>3"): Merge into the
4305 following expander+insn definition.
4306 ("<vec_shifts_name><mode>3"): New expander.
4307 ("*<vec_shifts_name><mode>3<addr_style_op>"): New insn definition.
4309 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
4311 * config/s390/s390.md ("*tabort_1"): Change predicate to
4312 nonmemory_operand. Add a second alternative to cover
4313 register as well as const int operands.
4314 ("*tabort_1_plus"): New pattern definition.
4316 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
4318 * config/s390/s390.md ("*ashrdi3_cc_31")
4319 ("*ashrdi3_cconly_31""*ashrdi3_cc_31_and")
4320 ("*ashrdi3_cconly_31_and", "*ashrdi3_31_and", "*ashrdi3_31"):
4321 Merge insn definitions into ...
4322 ("*ashrdi3_31<addr_style_op_cc><masked_op_cc><setcc><cconly>"):
4323 New pattern definition.
4324 ("*ashr<mode>3_cc", "*ashr<mode>3_cconly", "ashr<mode>3", )
4325 ("*ashr<mode>3_cc_and", "*ashr<mode>3_cconly_and")
4326 ("*ashr<mode>3_and"): Merge insn definitions into ...
4327 ("*ashr<mode>3<addr_style_op_cc><masked_op_cc><setcc><cconly>"):
4328 New pattern definition.
4329 * config/s390/subst.md ("addr_style_op_cc_subst")
4330 ("masked_op_cc_subst", "setcc_subst", "cconly_subst"): New
4331 substitutions patterns plus attributes.
4332 Add ashiftrt to SUBST iterator.
4334 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
4336 * config/s390/s390.md ("<shift><mode>3"): Change predicate of
4337 op2 to nonmemory_operand.
4338 ("*<shift>di3_31", "*<shift>di3_31_and"):
4339 Merge into single pattern definition ...
4340 ("*<shift>di3_31<addr_style_op><masked_op>"): New pattern.
4341 ("*<shift><mode>3", "*<shift><mode>3_and"): Merge into single
4342 pattern definition ...
4343 ("*<shift><mode>3<addr_style_op><masked_op>"): New pattern.
4344 * config/s390/subst.md: Add ashift and lshiftrt to SUBST
4347 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
4349 * config/s390/predicates.md (const_int_6bitset_operand): New
4351 * config/s390/s390.md: Include subst.md.
4352 ("rotl<mode>3"): New expander.
4353 ("rotl<mode>3", "*rotl<mode>3_and"): Merge insn definitions into
4355 ("*rotl<mode>3<addr_style_op><masked_op>"): New insn definition.
4356 * config/s390/subst.md: New file.
4358 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
4360 * config/s390/s390.md ("op_type", "atype", "length" attributes):
4361 Remove RRR type. It doesn't really exist.
4362 ("RRer", "f0", "v0", "vf", "vd", "op1", "Rf"): Remove mode
4364 ("BFP", "DFP", "nDSF", "nDFDI"): Add mode attributes.
4365 ("*cmp<mode>_ccs", "floatdi<mode>2", "add<mode>3")
4366 ("*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3")
4367 ("*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3")
4368 ("fma<mode>4", "fms<mode>4", "div<mode>3", "*neg<mode>2")
4369 ("*abs<mode>2", "*negabs<mode>2", "sqrt<mode>2"): Override
4370 `enabled' attribute.
4372 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
4374 * gensupport.c (process_substs_on_one_elem): Split loop to
4375 complete mark_operands_used_in_match_dup on all expressions in the
4377 (adjust_operands_numbers): Inline into process_substs_on_one_elem
4378 and remove function.
4380 2016-02-29 Eric Botcazou <ebotcazou@adacore.com>
4383 * config/sparc/sparc.c (NWORDS_UP): Rename to...
4384 (CEIL_NWORDS): ...this. Use CEIL macro.
4385 (compute_fp_layout): Adjust to above renaming.
4386 (function_arg_union_value): Likewise.
4387 (sparc_arg_partial_bytes): Likewise.
4388 (sparc_function_arg_advance): Likewise.
4390 2016-02-29 Jeff Law <law@redhat.com>
4392 PR tree-optimization/70005
4393 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Handle case
4394 where an object with a boolean range is compared against a value
4397 PR tree-optimization/69999
4398 * gimple-ssa-split-paths.c (split_paths): When duplicating a block
4399 with an outgoing edge marked with EDGE_IRREDUCIBLE_LOOP, schedule
4402 2016-02-29 Richard Biener <rguenther@suse.de>
4404 PR tree-optimization/69994
4405 * tree-ssa-reassoc.c (gimple_nop_conversion_p): New function.
4406 (get_unary_op): Look through nop conversions.
4407 (ops_equal_values_p): New function, look for equality diregarding
4409 (eliminate_plus_minus_pair): Use ops_equal_values_p
4410 (repropagate_negates): Do not use get_unary_op here.
4412 2016-02-29 Martin Liska <mliska@suse.cz>
4414 * system.h: Poison ENABLE_CHECKING macro.
4416 2016-02-29 Martin Liska <mliska@suse.cz>
4418 * hsa-gen.c (gen_body_from_gimple): Dump only if TDF_DETAILS
4419 is presented in dump flags.
4420 * hsa-regalloc.c (linear_scan_regalloc): Likewise.
4421 (hsa_regalloc): Likewise.
4423 2016-02-19 Richard Biener <rguenther@suse.de>
4425 PR tree-optimization/69980
4426 * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Update
4427 permutation of those we need to keep.
4429 2016-02-29 Eric Botcazou <ebotcazou@adacore.com>
4432 * config/sparc/sparc.c (ROUND_ADVANCE): Rename to...
4433 (NWORDS_UP): ...this
4434 (init_cumulative_args): Minor tweaks.
4435 (sparc_promote_function_mode): Likewise.
4436 (scan_record_type): Delete.
4437 (traverse_record_type): New function template.
4438 (classify_data_t): New structure type.
4439 (classify_registers): New inline function.
4440 (function_arg_slotno): In 64-bit mode, bail out early if FP slots are
4441 exhausted. Instantiate traverse_record_type on classify_registers and
4442 deal with the case of a structure passed in slot #15 with no FP field
4444 (assign_data_t): New structure type.
4445 (compute_int_layout): New static function.
4446 (compute_fp_layout): Likewise.
4447 (count_registers): New inline function.
4448 (assign_int_registers): New static function.
4449 (assign_fp_registers): Likewise.
4450 (assign_registers): New inline function.
4451 (function_arg_record_value_1): Delete.
4452 (function_arg_record_value_2): Likewise.
4453 (function_arg_record_value_3): Likewise.
4454 (function_arg_record_value): Adjust to above changes. Instantiate
4455 traverse_record_type on count_registers to first count the number of
4456 registers to be used and then on assign_registers to assign them.
4457 (function_arg_union_value): Adjust to above renaming.
4458 (sparc_function_arg_1); Minor tweaks. Remove commented out code.
4459 (sparc_arg_partial_bytes): Adjust to above renaming. Deal with the
4460 case of a structure passed in slot #15
4461 (sparc_function_arg_advance): Likewise.
4462 (function_arg_padding): Minor tweak.
4464 2016-02-29 Richard Biener <rguenther@suse.de>
4466 PR tree-optimization/69720
4467 * tree-vect-loop.c (get_initial_def_for_reduction): Avoid
4468 the adjustment_def path for possibly vectorized defs.
4469 (vect_create_epilog_for_reduction): Handle vectorized initial
4472 2016-02-28 Eric Botcazou <ebotcazou@adacore.com>
4474 * config/i386/cygming.h (STACK_REALIGN_DEFAULT): Define.
4476 2016-02-27 Jeff Law <law@redhat.com>
4479 2016-02-26 Richard Biener <rguenther@suse.de>
4480 Jeff Law <law@redhat.com>
4482 PR tree-optimization/69740
4483 * cfghooks.c (remove_edge): Request loop fixups if we delete
4484 an edge that might turn an irreducible loop into a natural
4487 2016-02-27 Jakub Jelinek <jakub@redhat.com>
4489 PR rtl-optimization/69896
4490 * tree-vect-generic.c (get_compute_type): Avoid single element
4493 2016-02-26 Evandro Menezes <e.menezes@samsung.com>
4495 Rename the AArch64 tuning option and related functions to enable the
4496 Newton series for the reciprocal square root to reflect its
4497 approximative characteristic.
4499 * config/aarch64/aarch64-protos.h (aarch64_emit_swrsqrt): Rename
4500 function to "aarch64_emit_approx_rsqrt".
4501 * config/aarch64/aarch64-tuning-flags.def: Rename tuning flag to
4502 AARCH64_EXTRA_TUNE_APPROX_RSQRT.
4503 * config/aarch64/aarch64.c (exynosm1_tunigs): Use new flag name.
4504 (xgene1_tunings): Likewise.
4505 (use_rsqrt_p): Likewise.
4506 (aarch64_emit_swrsqrt): Use new function name.
4507 * config/aarch64/aarch64-simd.md (aarch64_rsqrts_*): Likewise.
4508 * config/aarch64/aarch64.opt (mlow-precision-recip-sqrt): Reword the
4509 text explaining this option.
4510 * doc/invoke.texi (-mlow-precision-recip-sqrt): Likewise.
4512 2016-02-26 Jakub Jelinek <jakub@redhat.com>
4515 * config/rs6000/rs6000.c (rs6000_option_override_internal): Don't
4516 complain about -mallow-movmisalign without -mvsx if
4517 TARGET_ALLOW_MOVMISALIGN was not set explicitly.
4519 2016-02-26 Joel Sherrill <joel@rtems.org>
4521 * config.gcc: Add x86_64-*-rtems*.
4522 * gcc/config/i386/rtems-64.h: New file.
4524 2016-02-26 Joel Sherrill <joel@rtems.org>
4526 * config.gcc: Add aarch64-*-rtems*.
4527 * gcc/config/aarch64/rtems.h: New file.
4529 2016-02-26 Segher Boessenkool <segher@kernel.crashing.org>
4532 * config/rs6000/rs6000.c (rs6000_insn_for_shift_mask): Print rlwinm
4533 shift amount using %h. Add comment.
4535 2016-02-26 Richard Biener <rguenther@suse.de>
4536 Jeff Law <law@redhat.com>
4538 PR tree-optimization/69740
4539 * cfghooks.c (remove_edge): Request loop fixups if we delete
4540 an edge that might turn an irreducible loop into a natural
4543 2016-02-26 Martin Jambor <mjambor@suse.cz>
4546 * tree-sra.c (sra_modify_assign): Do not remove loads of
4547 uninitialized aggregates to SSA_NAMEs.
4549 2016-02-26 Richard Henderson <rth@redhat.com>
4552 * config/s390/s390.md (risbg and risbgn splitters): Allocate new
4553 pseudo in case the target rtx matches the source of the left
4556 2016-02-26 Martin Jambor <mjambor@suse.cz>
4559 * hsa.h (hsa_type_packed_p): Declare.
4560 * hsa.c (hsa_type_packed_p): New function.
4561 * hsa-gen.c (mem_type_for_type): Use unsigned type for packed
4563 (gen_hsa_insns_for_store): Use hsa_type_packed_p.
4564 * hsa-brig.c (emit_basic_insn): Likewise.
4566 2016-02-26 Martin Jambor <mjambor@suse.cz>
4569 * hsa-gen.c (gen_hsa_phi_from_gimple_phi): Use proper hsa type for
4571 (gen_hsa_addr): Allow integer constants in TMR_INDEX2.
4573 2016-02-26 Martin Jambor <mjambor@suse.cz>
4575 * hsa.h (is_a_helper): New overload for hsa_op_immed for
4576 hsa_op_with_type operands.
4577 (hsa_unsigned_type_for_type): Declare.
4578 * hsa.c (hsa_unsigned_type_for_type): New function.
4579 * hsa-gen.c (gen_hsa_binary_operation): Use hsa_unsigned_type_for_type.
4580 (gen_hsa_insns_for_operation_assignment): Satisfy constrains of
4581 the finalizer. Do not emit extra move.
4583 2016-02-26 Martin Jambor <mjambor@suse.cz>
4585 * hsa-gen.c (gen_hsa_ternary_atomic_for_builtin): Fail in presence of
4586 atomic operations in private segment.
4588 2016-02-26 Martin Jambor <mjambor@suse.cz>
4590 * omp-low.c (grid_find_ungridifiable_statement): Store problematic
4591 statements to wi->info. Also disallow omp simd constructs.
4592 (grid_target_follows_gridifiable_pattern): Use wi.info to dump reason
4593 for not gridifying. Dump special string for omp_for.
4595 2016-02-26 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
4598 * config/aarch64/aarch64.c (aarch64_set_current_function):
4599 Save/restore target globals when switching to
4600 target_option_default_node.
4602 2016-02-26 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
4605 * config/aarch64/aarch64.c (aarch64_shift_truncation_mask):
4606 Return 0 if !SHIFT_COUNT_TRUNCATED.
4608 2016-02-26 Jakub Jelinek <jakub@redhat.com>
4609 Eric Botcazou <ebotcazou@adacore.com>
4611 PR rtl-optimization/69891
4612 * dse.c (scan_insn): If we can't figure out memset arguments
4613 or they are non-constant, call clear_rhs_from_active_local_stores.
4615 2016-02-26 Martin Liska <mliska@suse.cz>
4617 * doc/extend.texi: Mention clog10, clog10f an clog10l
4618 in Builtins section.
4620 2016-02-26 Martin Liska <mliska@suse.cz>
4622 * dwarf2out.c (new_loc_descr): Replace ENABLE_CHECKING with
4624 (resolve_args_picking_1): Likewise.
4625 * dwarf2out.h (struct GTY): Likewise.
4627 2016-02-26 Martin Liska <mliska@suse.cz>
4629 * hsa-gen.c (generate_hsa): Replace ENABLE_CHECKING macro
4631 * hsa-regalloc.c (linear_scan_regalloc): Likewise.
4633 2016-02-26 Markus Trippelsdorf <markus@trippelsdorf.de>
4634 Martin Liska <mliska@suse.cz>
4636 * doc/install.texi: Mention --enable-valgrind-annotations.
4638 2016-02-26 Richard Biener <rguenther@suse.de>
4640 PR tree-optimization/69551
4641 * tree-ssa-structalias.c (get_constraint_for_ssa_var): When
4642 looking through aliases adjust DECL_PT_UID to refer to the
4643 ultimate alias target.
4645 2016-02-25 Martin Liska <mliska@suse.cz>
4648 * alloc-pool.c (after_memory_report): New variable.
4649 * alloc-pool.h (base_pool_allocator ::release): Do not use
4650 the infrastructure if after_memory_report.
4651 * toplev.c (toplev::main): Mark after memory report.
4653 2016-02-25 Richard Biener <rguenther@suse.de>
4655 PR tree-optimization/48795
4656 * tree-vrp.c (check_array_ref): Use array_at_struct_end_p.
4658 2016-02-25 Ilya Verbin <ilya.verbin@intel.com>
4661 * config/gnu-user.h (CRTOFFLOADBEGIN): Define. Add crtoffloadbegin.o if
4662 offloading is enabled and -fopenacc or -fopenmp is specified.
4663 (CRTOFFLOADEND): Likewise.
4664 (GNU_USER_TARGET_STARTFILE_SPEC): Add CRTOFFLOADBEGIN.
4665 (GNU_USER_TARGET_ENDFILE_SPEC): Add CRTOFFLOADEND.
4666 * lto-wrapper.c (offloadbegin, offloadend): Remove static vars.
4667 (offload_objects_file_name): New static var.
4668 (tool_cleanup): Remove offload_objects_file_name file.
4669 (find_offloadbeginend): Replace with ...
4670 (find_crtoffloadtable): ... this.
4671 (run_gcc): Remove offload_argc and offload_argv.
4672 Get offload_objects_file_name from -foffload-objects=... option.
4673 Read names of object files with offload from this file, pass them to
4674 compile_images_for_offload_targets. Don't call find_offloadbeginend and
4675 don't pass offloadbegin and offloadend to the linker. Don't pass
4676 offload non-LTO files to the linker, because now they're not claimed.
4678 2016-02-25 Jan Hubicka <hubicka@ucw.cz>
4681 * ipa-devirt.c (possible_polymorphic_call_targets): Do not ICE
4682 on builtin_unreachable.
4684 2016-02-25 Jakub Jelinek <jakub@redhat.com>
4686 PR rtl-optimization/69896
4687 * regcprop.c: Include cfgrtl.h.
4688 (copyprop_hardreg_forward_1): If noop_p insn uses narrower
4689 than remembered mode, either delete it (if noop_move_p), or
4690 treat like copy_p but not noop_p instruction.
4692 2016-02-24 Jakub Jelinek <jakub@redhat.com>
4695 * dwarf2out.c (gen_variable_die): Work around buggy LTO
4696 - allow NULL decl for Fortran DW_TAG_common_block variables.
4698 2016-02-24 Jason Merrill <jason@redhat.com>
4700 * common.opt (flifetime-dse): Add -flifetime-dse=1.
4702 2016-02-24 Richard Biener <rguenther@suse.de>
4703 Jakub Jelinek <jakub@redhat.com>
4706 * tree-scalar-evolution.c (interpret_rhs_expr): Re-write
4707 conditionally executed ops to well-defined overflow behavior.
4709 2016-02-24 Jakub Jelinek <jakub@redhat.com>
4712 * tree.c (build_vector_from_ctor): Fix handling of VECTOR_CST
4715 2016-02-24 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
4717 PR rtl-optimization/69886
4718 * gcse.c (can_assign_to_reg_without_clobbers_p): Accept mode
4719 argument. Use it when checking validity of set instructions.
4720 (want_to_gcse_p): Pass mode to can_assign_to_reg_without_clobbers_p.
4721 (compute_ld_motion_mems): Update can_assign_to_reg_without_clobbers_p
4723 * rtl.h (can_assign_to_reg_without_clobbers_p): Update prototype.
4724 * store-motion.c (find_moveable_store): Update
4725 can_assign_to_reg_without_clobbers_p callsite.
4727 2016-02-24 Richard Biener <rguenther@suse.de>
4730 * tree-ssa-loop-niter.c (derive_constant_upper_bound_ops): Fix
4732 (record_nonwrapping_iv): Do not fall back to the low/high bound
4733 for non-constant IV bases if the stmt is not always executed.
4735 2016-02-24 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
4737 * config/arm/arm-cores.def (cortex-a32): New entry.
4738 * config/arm/arm-tables.opt: Regenerate.
4739 * config/arm/arm-tune.md: Regenerate.
4740 * config/arm/bpabi.h (BE8_LINK_SPEC): Add mcpu=cortex-a32.
4741 * config/arm/t-aprofile: Handle mcpu=cortex-a32.
4742 * doc/invoke.texi (ARM Options): Document cortex-a32 as value
4743 for -mcpu and -mtune.
4745 2016-02-24 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
4748 * config/arm/arm.h (TARGET_HAVE_LPAE): Define.
4749 * config/arm/unspecs.md (VUNSPEC_LDRD_ATOMIC): New value.
4750 * config/arm/sync.md (arm_atomic_loaddi2_ldrd): New pattern.
4751 (atomic_loaddi_1): Delete.
4752 (atomic_loaddi): Rewrite expander using the above changes.
4754 2016-02-24 Jakub Jelinek <jakub@redhat.com>
4757 * params.def (PARAM_MAX_SSA_NAME_QUERY_DEPTH): Bump default from
4760 2016-02-24 Jakub Jelinek <jakub@redhat.com>
4761 Richard Biener <rguenth@suse.de>
4764 * expr.c (expand_expr_real_1) <normal_inner_ref>: Avoid
4765 set_mem_attributes if tem is SSA_NAME which got expanded
4768 2016-02-24 Richard Biener <rguenther@suse.de>
4770 PR tree-optimization/69907
4771 * tree-vect-stmts.c (vectorizable_load): Check for gaps at the
4772 end of permutations for BB vectorization.
4774 2016-02-24 Christian Bruel <christian.bruel@st.com>
4776 * config/arm/arm-c.c (arm_option_override): Initialize
4777 target_option_current_node.
4778 * config/arm/arm.c (arm_pragma_target_parse): Replace
4779 build_target_option_node call by target_option_current_node.
4780 Set target_option_current_node.
4783 2016-02-23 David Edelsohn <dje.gcc@gmail.com>
4786 * config/rs6000/rs6000.md (zero_extendqi<mode>2_dot): Convert from
4787 define_insn_and_split to define_insn.
4788 (zero_extendqi<mode>2_dot2): Same.
4789 (extendqi<mode>2_dot): Same.
4790 (extendqi<mode>2_dot2): Same.
4792 2016-02-23 Evandro Menezes <e.menezes@samsung.com>
4794 * config/arm/exynos-m1.md: Change cost of STP, fix bypass for stores
4795 and add bypass for AES{D,E} and AESMC pairs.
4796 * config/aarch64/aarch64.c (exynosm1_tunings): Enable fusion of AES{D,E}
4799 2016-02-23 Evandro Menezes <e.menezes@samsung.com>
4801 * config/aarch64/aarch64.c (exynosm1_tunings): Enable the Newton
4802 series for reciprocal square root in Exynos M1.
4804 2016-02-23 Martin Sebor <msebor@redhat.com>
4807 * doc/extend.texi (Other Builtins): Document __builtin_alloca and
4808 __builtin_alloca_with_align.
4810 2016-02-23 Richard Henderson <rth@redhat.com>
4812 * config/i386/i386-c.c (ix86_target_macros): Remove __SEG_TLS.
4813 (ix86_register_pragmas): Remove __seg_tls.
4814 * config/i386/i386-protos.h (ADDR_SPACE_SEG_TLS): Remove.
4815 * config/i386/i386.c (ix86_print_operand_address_as): Don't handle it.
4816 (ix86_addr_space_subset_p, TARGET_ADDR_SPACE_SUBSET_P): Remove.
4817 (ix86_addr_space_convert, TARGET_ADDR_SPACE_CONVERT): Remove.
4818 (ix86_addr_space_debug, TARGET_ADDR_SPACE_DEBUG): Remove.
4819 * doc/extend.texi (__seg_tls): Remove item.
4821 2016-02-23 Richard Biener <rguenther@suse.de>
4823 * alloc-pool.h (struct allocation_object): Make id member
4824 conditional on CHECKING_P again.
4825 (get_instance): Adjust.
4826 (base_pool_allocator): Likewise.
4828 2016-02-23 Thomas Schwinge <thomas@codesourcery.com>
4830 * tree-parloops.c (create_parallel_loop, gen_parallel_loop)
4831 (parallelize_loops): In OpenACC kernels mode, set n_threads to
4833 (pass_parallelize_loops::gate): In OpenACC kernels mode, gate on
4835 * tree-ssa-loop.c (gate_oacc_kernels): Likewise.
4837 2016-02-23 Richard Biener <rguenther@suse.de>
4839 * mem-stats.h (struct mem_usage): Use PRIu64 for printing size_t.
4840 * bitmap.h (struct bitmap_usage): Likewise.
4841 (bitmap_move): Declare.
4842 * bitmap.c (register_overhead): Take size_t argument.
4843 (bitmap_move): New function.
4844 * df-problems.c (df_rd_transfer_function): Use bitmap_move
4845 to properly account overhead.
4846 * tree.c (free_node): Use tree_size.
4848 2016-02-23 Jakub Jelinek <jakub@redhat.com>
4851 * fold-const.c (fold_truth_not_expr): Propagate TREE_NO_WARNING
4852 when inverting comparison.
4855 * common.opt (Wunreachable-code): Add Warning flag.
4857 2016-02-23 Mark Wielaard <mjw@redhat.com>
4858 Jakub Jelinek <jakub@redhat.com>
4861 * cgraphunit.c (check_global_declaration): Check main_input_filename
4862 and DECL_SOURCE_FILE are not NULL.
4864 2016-02-23 Martin Jambor <mjambor@suse.cz>
4866 PR tree-optimization/69666
4867 * tree-sra.c (sra_modify_assign): Do not attempt to create
4868 default_def replacements for unscalarizable regions.
4870 2016-02-20 Mark Wielaard <mjw@redhat.com>
4873 * cgraphunit.c (check_global_declaration): Check level of
4874 warn_unused_const_variable and main_input_filename.
4875 * doc/invoke.texi (Warning Options): Add -Wunused-const-variable=.
4876 (-Wunused-variable): For C implies -Wunused-const-variable=1.
4877 (-Wunused-const-variable): Explain levels 1 and 2.
4879 2016-02-22 Jakub Jelinek <jakub@redhat.com>
4882 * config/i386/i386.c (decide_alg): Ensure we don't recurse with
4883 identical arguments. Formatting and spelling fixes.
4886 * doc/md.texi (ashl@var{m}3): Document that mode of operand 2 must
4891 * config/m68k/t-opts (OPTIONS_H_EXTRA): Add m68k-microarchs.def
4892 and m68k-devices.def.
4893 * config/c6x/t-c6x (OPTIONS_H_EXTRA): Add c6x-isas.def.
4894 * config/aarch64/t-aarch64 (OPTIONS_H_EXTRA): Add aarch64-arches.def.
4896 2016-02-22 Cesar Philippidis <cesar@codesourcery.com>
4898 * config/nvptx/nvptx.c (nvptx_gen_shuffle): Add support for QImode
4899 and HImode registers.
4901 2016-02-22 Richard Biener <rguenther@suse.de>
4903 PR tree-optimization/69882
4904 * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Properly
4905 preserve permutations present because of gaps.
4906 (vect_supported_load_permutation_p): Always continue checking
4907 permutations after vect_attempt_slp_rearrange_stmts.
4909 2016-02-22 Bin Cheng <bin.cheng@arm.com>
4911 * tree-vect-loop.c (vect_estimate_min_profitable_iters): Dump
4912 min_profitable_estimate, rather than min_profitable_iters.
4914 2016-02-22 Jakub Jelinek <jakub@redhat.com>
4917 * config/m68k/m68k.md (ashldi3, ashrdi3, lshrdi3): Use
4918 SImode for last match_operand.
4920 2016-02-22 Martin Liska <mliska@suse.cz>
4922 * hsa-gen.c (gen_hsa_clrsb): In case of zero value,
4923 return bitsize - 1 as the return value.
4925 2016-02-22 Oleg Endo <olegendo@gcc.gnu.org>
4929 * config/sh/sh.c (sh_lshrsi_clobbers_t_reg_p, sh_dynamicalize_shift_p):
4930 Handle negative shift counts.
4931 * config/sh/sh.md (ashlsi3, lshrsi3_n, lshrsi3_n_clobbers_t): Don't use
4932 force_reg on the shift constant.
4933 (lshrsi3): Likewise. Expand into lshrsi3_n* instead of lshrsi3_d.
4934 (lshrsi3_d): Handle negative shift counts.
4936 2016-02-22 Richard Biener <rguenther@suse.de>
4937 Tom de Vries <tom@codesourcery.com>
4939 * graph.c: Include dumpfile.h.
4940 (print_graph_cfg): Split into three overloads.
4941 * gdbhooks.py (class DotFn): Add and instantiate, adding command dot-fn.
4943 2016-02-22 Tom de Vries <tom@codesourcery.com>
4945 * gdbhooks.py (class DumpFn): Add and instantiate, adding command
4948 2016-02-22 Richard Biener <rguenther@suse.de>
4951 * ipa-inline-transform.c (inline_call): When not updating
4952 overall summaries adjust self size by the growth estimate.
4953 * ipa-inline.c (inline_to_all_callers_1): Add to the callers
4954 hash-set, do not update overall summaries here. Renamed from ...
4955 (inline_to_all_callers): ... this which is now wrapping the
4956 above and performing delayed overall summary update.
4957 (early_inline_small_functions): Delay updating of the overall
4960 2016-02-21 Markus Trippelsdorf <markus@trippelsdorf.de>
4962 * tree-chkp.c (chkp_mark_invalid_bounds_walker): Initialize
4965 2016-02-19 Jakub Jelinek <jakub@redhat.com>
4968 * gcc.c (LINK_COMMAND_SPEC, GOMP_SELF_SPECS): Use
4969 :%* in %:gt() argument.
4970 (greater_than_spec_func): Adjust for expecting only numbers,
4971 if there are more than two numbers, compare the last two.
4973 2016-02-19 Jonathan Wakely <jwakely@redhat.com>
4975 * doc/invoke.texi (C++ Dialect Options): Clarify interaction of
4976 -Wnarrowing with -std.
4978 2016-02-19 Jakub Jelinek <jakub@redhat.com>
4981 * expr.c (store_field): Don't use bit-field path if exp is
4982 COMPONENT_REF with TREE_ADDRESSABLE type, where TYPE_SIZE is
4983 different from bitsize, but DECL_SIZE of FIELD_DECL is bitsize
4984 and the assignment can be performed by bitwise copy. Formatting
4988 * lra.c (lra_process_new_insns): If non-call exceptions are enabled,
4989 call copy_reg_eh_region_note_forward on before and/or after sequences
4990 and remove note from insn if it no longer can throw.
4993 * config/i386/sse.md (VI_512): Only include V64QImode and V32HImode
4996 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
4998 * config/s390/vector.md: Add missing commutative operand markers
4999 to the patterns which qualify for one.
5000 * config/s390/vx-builtins.md: Likewise.
5002 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
5004 * config/s390/vector.md (VI, VI_QHS): Add single element vector
5005 types to mode iterators.
5006 (vec_double): ... and mode attribute.
5007 * config/s390/vx-builtins.md (non_vec_int): Likewise.
5009 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
5011 * config/s390/vector.md ("<ti*>add<mode>3", "<ti*>sub<mode>3"):
5012 Change the predicate of op2 from nonimmediate to general and let
5013 reload fix it if necessary.
5015 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
5017 * config/s390/vecintrin.h (vec_sub_u128): Define missing macro.
5019 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
5021 * config/s390/s390.c (s390_expand_vcond): Use the compare operand
5024 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
5026 * config/s390/s390-protos.h: Add s390_expand_vec_movstr prototype.
5027 * config/s390/s390.c (s390_expand_vec_movstr): New function.
5028 * config/s390/s390.md ("movstr<P:mode>"): Call
5029 s390_expand_vec_movstr.
5031 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
5033 * config/s390/s390.md: Add missing output modifier for operand 1
5034 to print it as address properly.
5036 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
5038 * config/s390/2827.md: Rename ooo_* insn attributes to zEC12_*.
5039 * config/s390/2964.md: New file.
5040 * config/s390/s390.c (s390_get_sched_attrmask): Use the right set
5041 of insn grouping attributes depending on the CPU level.
5042 (s390_get_unit_mask): New function.
5043 (s390_sched_score): Remove the OOO from the scheduling macros.
5044 Add loop to calculate a score for the instruction mix.
5045 (s390_sched_reorder): Likewise plus improve debug output.
5046 (s390_sched_variable_issue): Rename macros as above. Calculate
5047 the unit distances after actually scheduling an insn. Improve
5049 (s390_sched_init): Clear last_scheduled_unit_distance array.
5050 * config/s390/s390.md: Include 2964.md.
5052 2016-02-18 Jakub Jelinek <jakub@redhat.com>
5055 * config/i386/sse.md (*<floatsuffix>floatv2div2sf2_mask_1,
5056 *avx512vl_<code>v2div2qi2_mask_1, *avx512vl_<code><mode>v4qi2_mask_1,
5057 *avx512vl_<code><mode>v8qi2_mask_1, *avx512vl_<code><mode>v4hi2_mask_1,
5058 *avx512vl_<code>v2div2hi2_mask_1, *avx512vl_<code>v2div2si2_mask_1,
5059 *avx512f_<code>v8div16qi2_mask_1): New insns.
5061 2016-02-18 Michael Meissner <meissner@linux.vnet.ibm.com>
5064 * config/rs6000/predicates.md (fusion_gpr_addis): Revert
5067 * config/rs6000/rs6000.md (fusion_gpr_load_<mode>): Remove
5068 earlyclobber from target. Use wF constraint for fused memory
5070 (fusion_gpr_<P:mode>_<GPR_FUSION:mode>_load): Likewise.
5072 2016-02-18 Jakub Jelinek <jakub@redhat.com>
5073 Martin Liska <mliska@suse.cz>
5076 * cfgexpand.c (asan_sanitize_stack_p): New function.
5077 (partition_stack_vars): Use the function.
5078 (expand_stack_vars): Likewise.
5079 (defer_stack_allocation): Likewise.
5080 (expand_used_vars): Likewise.
5082 2016-02-18 Richard Biener <rguenther@suse.de>
5085 * fold-const.c (operand_equal_p): Properly compare offsets for
5086 IMAGPART_EXPR and ARRAY_REF.
5088 2016-02-18 Nick Clifton <nickc@redhat.com>
5092 * config/arm/arm.c (arm_option_override_internal): Disable
5093 interworking if the target does not support thumb instructions.
5094 (arm_reload_in_hi): Handle the case where a register to register
5095 move needs reloading because there is no simple pattern to handle
5097 (arm_reload_out_hi): Likewise.
5099 2016-02-18 Richard Biener <rguenther@suse.de>
5102 * match.pd: Don't use fold_binary or fold_unary for folding
5105 2016-02-17 Jakub Jelinek <jakub@redhat.com>
5108 * gimplify.c (gimplify_cond_expr): Call gimple_set_no_warning
5109 on the cond_stmt from TREE_NO_WARNING on COND_EXPR_COND.
5110 * gimple-ssa-nonnull-compare.c (do_warn_nonnull_compare): Don't
5111 warn on gimple_no_warning_p statements.
5113 2016-02-17 Jonathan Wakely <jwakely@redhat.com>
5115 * doc/extend.texi (C++ Attributes): Correct description of
5116 warn_unused type attribute.
5118 2016-02-17 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
5120 * config/rs6000/altivec.md (*altivec_lvxl_<mode>_internal): Output
5121 correct instruction.
5123 2016-02-17 Richard Biener <rguenther@suse.de>
5125 PR rtl-optimization/69609
5126 * bb-reorder.c (struct bbro_basic_block_data): Add priority member.
5127 (find_traces_1_round): When ending a trace update cached priority
5129 (bb_to_key): Use cached priority when available.
5130 (copy_bb): Initialize cached priority.
5131 (reorder_basic_blocks_software_trace_cache): Likewise.
5133 2016-02-17 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
5136 * config/aarch64/predicates.md (aarch64_comparison_operator_mode):
5138 (aarch64_comparison_operator): Break overly long line into two.
5139 (aarch64_comparison_operation): Likewise.
5140 * config/aarch64/aarch64.md (cstorecc4): Use
5141 aarch64_comparison_operator_mode instead of
5142 aarch64_comparison_operator.
5143 (cstore<mode>4): Likewise.
5144 (aarch64_cstore<mode>): Likewise.
5145 (*cstoresi_insn_uxtw): Likewise.
5146 (cstore<mode>_neg): Likewise.
5147 (*cstoresi_neg_uxtw): Likewise.
5149 2016-02-17 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
5152 * config/arm/predicates.md (arm_comparison_operator_mode):
5154 * config/arm/arm.md (*mov_scc): Use arm_comparison_operator_mode
5155 instead of arm_comparison_operator.
5156 (*mov_negscc): Likewise.
5157 (*mov_notscc): Likewise.
5158 * config/arm/thumb2.md (*thumb2_mov_scc): Likewise.
5159 (*thumb2_mov_negscc): Likewise.
5160 (*thumb2_mov_negscc_strict_it): Likewise.
5161 (*thumb2_mov_notscc): Likewise.
5162 (*thumb2_mov_notscc_strict_it): Likewise.
5164 2016-02-17 Wilco Dijkstra <wdijkstr@arm.com>
5166 * config/aarch64/aarch64.c (aarch64_internal_mov_immediate):
5169 2016-02-17 Eric Botcazou <ebotcazou@adacore.com>
5171 * config/visium/visium.c (machine_libfunc_index): New enum.
5172 (machine_libfuncs): New structure.
5173 (visium_libfuncs): New static variable.
5174 (TARGET_INIT_LIBFUNCS): Define to...
5175 (visium_init_libfuncs): ...this. New function.
5176 (expand_block_move_4): Use the appropriate libfunc.
5177 (expand_block_move_2): Likewise.
5178 (expand_block_move_1): Likewise.
5179 (expand_block_set_4): Likewise.
5180 (expand_block_set_2): Likewise.
5181 (expand_block_set_1): Likewise.
5182 (visium_trampoline_init): Likewise.
5184 2016-02-17 Nick Clifton <nickc@redhat.com>
5186 * config/msp430/msp430.c (msp430_mcu_data): Sync with data from
5187 TI's devices.csv file as of March 2016.
5189 2016-02-16 Kelvin Nilsen <kelvin@gcc.gnu.org>
5192 * opts-global.c (handle_common_deferred_options): Introduce and
5193 initialize two global variables to remember command-line options
5194 specifying a stack-limiting register.
5195 * opts.h: Add extern declarations of the two new global variables.
5196 * emit-rtl.c (init_emit_once): Initialize the stack_limit_rtx
5197 variable based on the values of the two new global variables.
5199 2016-02-16 Jakub Jelinek <jakub@redhat.com>
5202 * common.opt (Wnonnull-compare): New warning.
5203 * doc/invoke.texi (-Wnonnull): Remove text about comparison
5204 of arguments against NULL.
5205 (-Wnonnull-compare): Document.
5206 * Makefile.in (OBJS): Add gimple-ssa-nonnull-compare.o.
5207 * tree-pass.h (make_pass_warn_nonnull_compare): Declare.
5208 * passes.def (pass_warn_nonnull_compare): Add.
5209 * gimple-ssa-nonnull-compare.c: New file.
5211 2016-02-16 James Greenhalgh <james.greenhalgh@arm.com>
5213 * config/aarch64/aarch64.c (cortexa57_tunings): Remove
5214 AARCH64_EXTRA_TUNE_RECIP_SQRT.
5216 2016-02-16 James Greenhalgh <james.greenhalgh@arm.com>
5218 * config/aarch64/aarch64.c (use_rsqrt_p): Always use software
5219 reciprocal sqrt for -mlow-precision-recip-sqrt.
5221 2016-02-16 James Greenhalgh <james.greenhalgh@arm.com>
5222 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
5224 * config/aarch64/aarch64.c (aarch64_expand_vector_init): Refactor,
5225 always use lane loads to construct non-constant vectors.
5227 2016-02-16 James Greenhalgh <james.greenhalgh@arm.com>
5229 * config/aarch64/aarch64.md
5230 (arch64_sqrdml<SQRDMLH_AS:rdma_as>h_lane<mode>): Fix register
5231 constraints for operand 3.
5232 (aarch64_sqrdml<SQRDMLH_AS:rdma_as>h_laneq<mode>): Likewise.
5234 2016-02-16 Jakub Jelinek <jakub@redhat.com>
5235 Richard Biener <rguenther@suse.de>
5237 PR tree-optimization/69820
5238 * tree-vect-patterns.c (type_conversion_p): Return false if
5239 *orig_type is unsigned single precision or boolean.
5240 (vect_recog_dot_prod_pattern, vect_recog_widen_mult_pattern):
5243 2016-02-16 Jakub Jelinek <jakub@redhat.com>
5245 PR rtl-optimization/69764
5246 PR rtl-optimization/69771
5247 * optabs.c (expand_binop): Ensure for shift optabs invalid CONST_INT
5248 op1 is valid for GET_MODE_INNER (mode) and force it into a reg.
5250 2016-02-16 Richard Biener <rguenther@suse.de>
5252 PR tree-optimization/69776
5253 * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Get alias
5255 (indirect_refs_may_alias_p): Likewise.
5256 (refs_may_alias_p_1): Pass alias sets as from ao_ref.
5257 * tree-ssa-sccvn.c (vn_reference_lookup): Also adjust vr alias-set
5258 according to tbaa_p.
5259 * tree-ssa-dom.c (lookup_avail_expr): Add tbaa_p flag.
5260 (optimize_stmt): For redundant store discovery do not allow tbaa.
5262 2016-02-16 Bernd Schmidt <bschmidt@redhat.com>
5264 PR tree-optimization/69714
5265 * tree-ssa-math-opts.c (find_bswap_or_nop): Revert previous change.
5266 Return NULL if we have irrelevant high bytes on BIG_ENDIAN.
5268 2016-02-16 Claudiu Zissulescu <claziss@synopsys.com>
5270 * config/arc/arc-modes.def (CC_FPU, CC_FPU_UNEQ): New modes.
5271 * config/arc/arc-opts.h (FPU_SP, FPU_SF, FPU_SC, FPU_SD, FPU_DP)
5272 (FPU_DF, FPU_DC, FPU_DD, FXP_DP): Define.
5273 * config/arc/arc.c (arc_init): Check FPU options.
5274 (get_arc_condition_code): Handle new CC_FPU* modes.
5275 (arc_select_cc_mode): Likewise.
5276 (arc_conditional_register_usage): Allow 64 bit datum into even-odd
5277 register pair only. Allow access for ARCv2 accumulator.
5278 (gen_compare_reg): Whenever we have FPU support use FPU compare
5280 (arc_reorg): Don't generate brcc insns when FPU compare
5281 instructions are involved.
5282 * config/arc/arc.h (TARGET_DPFP): Add TARGET_FP_DPAX condition.
5283 (TARGET_OPTFPE): Add condition when ARC EM can use optimized
5284 floating point emulation.
5285 (ACC_REG_FIRST, ACC_REG_LAST, ACCL_REGNO, ACCH_REGNO): Define.
5286 (REVERSE_CONDITION): Add new CC_FPU* modes.
5287 (TARGET_FP_SP_BASE): Define.
5288 (TARGET_FP_DP_BASE): Likewise.
5289 (TARGET_FP_SP_FUSED): Likewise.
5290 (TARGET_FP_DP_FUSED): Likewise.
5291 (TARGET_FP_SP_CONV): Likewise.
5292 (TARGET_FP_DP_CONV): Likewise.
5293 (TARGET_FP_SP_SQRT): Likewise.
5294 (TARGET_FP_DP_SQRT): Likewise.
5295 (TARGET_FP_DP_AX): Likewise.
5296 * config/arc/arc.md (ARCV2_ACC): New constant.
5297 (type): New fpu type attribute.
5298 (SDF): Conditional iterator.
5299 (cstore<mode>, cbranch<mode>): Change expand condition.
5300 (addsf3, subsf3, mulsf3, adddf3, subdf3, muldf3): New expands,
5301 handles FPU/FPX cases as well.
5302 * config/arc/arc.opt (mfpu): New option.
5303 * config/arc/fpx.md (addsf3_fpx, subsf3_fpx, mulsf3_fpx):
5305 (adddf3, muldf3, subdf3): Removed.
5306 * config/arc/predicates.md (proper_comparison_operator): Recognize
5308 * config/arc/fpu.md: New file.
5309 * doc/invoke.texi (ARC Options): Document mfpu option.
5311 2016-02-16 Richard Biener <rguenther@suse.de>
5313 PR rtl-optimization/69291
5314 * ifcvt.c (noce_try_store_flag_constants): Re-instantiate
5315 noce_operand_ok check.
5317 2016-02-16 Tom de Vries <tom@codesourcery.com>
5320 * omp-low.c (simd_clone_create): Remove call to
5321 symtab->call_cgraph_insertion_hooks.
5323 2016-02-16 Jakub Jelinek <jakub@redhat.com>
5325 PR tree-optimization/69802
5326 * tree-ssa-reassoc.c (update_range_test): If op is
5327 SSA_NAME_IS_DEFAULT_DEF, give up unless tem is a positive
5328 op == 1 test of precision 1 integral op, otherwise handle
5329 that case as op itself. Fix up formatting.
5330 (optimize_range_tests_to_bit_test, optimize_range_tests): Fix
5333 2016-02-16 Richard Biener <rguenther@suse.de>
5335 PR tree-optimization/69586
5336 * tree-vrp.c (register_edge_assert_for_2): Handle all integral
5337 types for conversion sources.
5339 2016-02-16 Richard Biener <rguenther@suse.de>
5342 * fold-const.c (operand_equal_p): For COND_EXPR zero operand
5343 mask OEP_ADDRESS_OF.
5345 2016-02-16 Alan Modra <amodra@gmail.com>
5348 * config/rs6000/rs6000.md (reload_vsx_from_gprsf): Rewrite splitter.
5349 (p8_mtvsrd_df, p8_mtvsrd_sf): New.
5350 (p8_mtvsrd_1, p8_mtvsrd_2): Delete.
5352 (p8_mtvsrwz_1, p8_mtvsrwz_2): Delete.
5353 (p8_xxpermdi_<mode>): Take two DF inputs rather than one TF.
5354 (p8_fmrgow_<mode>): Likewise.
5355 (reload_vsx_from_gpr<mode>): Make clobber IF. Adjust for above
5357 (reload_fpr_from_gpr<mode>): Similarly. Use "d" for op0 constraint.
5358 (reload_vsx_from_gprsf): Use p8_mtvsrd_sf rather than attempting
5359 to use movdi_internal64. Remove op0_di.
5360 * config/rs6000/vsx.md (vsx_xscvspdpn_directmove): Make op1 SFmode.
5362 2016-02-15 Evandro Menezes <e.menezes@samsung.com>
5364 Add support for the FCCMP insn types
5366 * config/aarch64/aarch64.md (fccmp): Change insn type.
5368 * config/aarch64/thunderx.md (thunderx_fcmp): Add "fccmp{s,d}" types.
5369 * config/arm/cortex-a53.md (cortex_a53_fpalu): Likewise.
5370 * config/arm/cortex-a57.md (cortex_a57_fp_cmp): Likewise.
5371 * config/arm/xgene1.md (xgene1_fcmp): Likewise.
5372 * config/arm/exynos-m1.md (exynos_m1_fp_ccmp): New insn reservation.
5373 * config/arm/types.md (fccmps): Add new insn type.
5376 2016-02-15 Bernd Edlinger <bernd.edlinger@hotmail.de>
5378 * alias.c (get_alias_set): Fix a typo in comment.
5380 2016-02-15 Richard Biener <rguenther@suse.de>
5382 PR tree-optimization/69595
5383 * match.pd: Complete range test simplification to true.
5385 2016-02-15 Bernd Schmidt <bschmidt@redhat.com>
5387 PR rtl-optimization/69648
5388 * lra-constraints.c (update_ebb_live_info): Don't remove sets of
5389 pic_offset_table_rtx.
5391 PR rtl-optimization/69752
5392 * ira.c (update_equiv_regs): When looking for more than a single SET,
5393 also take other side effects into account.
5395 2016-02-15 Marcin Kościelnicki <koriakin@0x04.net>
5397 * config/s390/s390.c (s390_function_profiler): Add a new sequence
5398 for z900+ CPUs in 31-bit mode.
5400 2016-02-15 Marcin Kościelnicki <koriakin@0x04.net>
5402 * common/config/s390/s390-common.c (s390_supports_split_stack):
5404 (TARGET_SUPPORTS_SPLIT_STACK): New macro.
5405 * config/s390/s390-protos.h: Add s390_expand_split_stack_prologue.
5406 * config/s390/s390.c (struct machine_function): New field
5407 split_stack_varargs_pointer.
5408 (s390_register_info): Mark r12 as clobbered if it'll be used as temp
5409 in s390_emit_prologue.
5410 (s390_emit_prologue): Use r12 as temp if r1 is taken by split-stack
5412 (morestack_ref): New global.
5413 (SPLIT_STACK_AVAILABLE): New macro.
5414 (s390_expand_split_stack_prologue): New function.
5415 (s390_live_on_entry): New function.
5416 (s390_va_start): Use split-stack vararg pointer if appropriate.
5417 (s390_asm_file_end): Emit the split-stack note sections.
5418 (TARGET_EXTRA_LIVE_ON_ENTRY): New macro.
5419 * config/s390/s390.md (UNSPEC_STACK_CHECK): New unspec.
5420 (UNSPECV_SPLIT_STACK_CALL): New unspec.
5421 (UNSPECV_SPLIT_STACK_DATA): New unspec.
5422 (split_stack_prologue): New expand.
5423 (split_stack_space_check): New expand.
5424 (split_stack_data): New insn.
5425 (split_stack_call): New expand.
5426 (split_stack_call_*): New insn.
5427 (split_stack_cond_call): New expand.
5428 (split_stack_cond_call_*): New insn.
5430 2016-02-15 Richard Biener <rguenther@suse.de>
5432 PR tree-optimization/69783
5433 * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
5434 Add trivially correct cases.
5436 2016-02-15 Tom de Vries <tom@codesourcery.com>
5439 * lto-cgraph.c (input_offload_tables): Add and handle bool parameter
5441 * lto-streamer.h (input_offload_tables): Add and handle bool parameter.
5443 2016-02-15 Richard Biener <rguenther@suse.de>
5445 PR tree-optimization/69776
5446 * tree-ssa-sccvn.h (vn_reference_lookup): Adjust prototype.
5447 * tree-ssa-sccvn.c (vn_reference_lookup): Add parameter to
5448 indicate whether we can use TBAA to disambiguate against stores.
5449 Use alias-set zero if not.
5450 (visit_reference_op_store): Do not use TBAA when looking up
5452 * tree-ssa-pre.c (compute_avail): Use TBAA here.
5453 (eliminate_dom_walker::before_dom_children): But not when looking
5454 up redundant stores.
5456 2016-02-14 John David Anglin <danglin@gcc.gnu.org>
5458 * config/pa/pa.md (absqi2, absghi2, bswaphi2, bswapsi2, bswapdi2): New.
5460 2016-02-14 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
5462 * config/i386/znver1.md
5463 (znver1_pop, znver1_pop_mem,
5464 znver1_load_imov_double_store,
5465 znver1_load_imov_direct_store,
5466 znver1_load_imov_direct_load,
5467 znver1_load_imov_double_load): Add new.
5468 (znver1_insn, znver1_insn_load): Add icmov type.
5470 znver1_sseavx_fma_load,
5472 znver1_avx256_fma_load): Fix pipe usage.
5474 2016-02-14 Alan Modra <amodra@gmail.com>
5477 * reloads.c (find_reloads_address_1): For pre/post-inc/dec
5478 with an invalid hard reg, reload just the reg not the entire
5479 pre/post-inc/dec address expression.
5481 2016-02-13 Oleg Endo <olegendo@gcc.gnu.org>
5484 * config/sh/sh.md (sibcall_value_pcrel): Replace =&k scratch reg with
5485 fixed R1_REG scratch reg.
5486 (sibcall_value_pcrel_fdpic): Likewise.
5488 2016-02-13 Oleg Endo <olegendo@gcc.gnu.org>
5492 * config/sh/sh.md (*zero_extract_3): New insn_and_split pattern.
5494 2016-02-12 Walter Lee <walt@tilera.com>
5496 * config/tilepro/t-tilepro: Replace CC_FOR_BUILD with CXX_FOR_BUILD.
5497 * config/tilegx/t-tilegx: Likewise.
5499 2016-02-12 David Malcolm <dmalcolm@redhat.com>
5502 * diagnostic-show-locus.c (struct line_span): New struct.
5503 (layout::get_first_line): Delete.
5504 (layout::get_last_line): Delete.
5505 (layout::get_num_line_spans): New member function.
5506 (layout::get_line_span): Likewise.
5507 (layout::print_heading_for_line_span_index_p): Likewise.
5508 (layout::get_expanded_location): Likewise.
5509 (layout::calculate_line_spans): Likewise.
5510 (layout::m_first_line): Delete.
5511 (layout::m_last_line): Delete.
5512 (layout::m_line_spans): New field.
5513 (layout::layout): Update comment. Replace m_first_line and
5514 m_last_line with m_line_spans, replacing their initialization
5515 with a call to calculate_line_spans.
5516 (diagnostic_show_locus): When printing source lines and
5517 annotations, rather than looping over a single span
5518 of lines, instead loop over each line_span within
5519 the layout, with an inner loop over the lines within them.
5520 Call the context's start_span callback when changing line spans.
5521 * diagnostic.c (diagnostic_initialize): Initialize start_span.
5522 (diagnostic_build_prefix): Break out the building of the location
5523 part of the string into...
5524 (diagnostic_get_location_text): ...this new function, rewriting
5525 it from nested ternary expressions to a sequence of "if"
5527 (default_diagnostic_start_span_fn): New function.
5528 * diagnostic.h (diagnostic_start_span_fn): New typedef.
5529 (diagnostic_context::start_span): New field.
5530 (default_diagnostic_start_span_fn): New prototype.
5532 2016-02-12 David Malcolm <dmalcolm@redhat.com>
5535 * gcc.c (driver::finalize): Fix cleanup of "specs".
5537 2016-02-12 David Malcolm <dmalcolm@redhat.com>
5541 * gcc.c (driver::driver): Initialize m_option_suggestions.
5542 (driver::~driver): Clean up m_option_suggestions.
5543 (suggest_option): Convert to...
5544 (driver::suggest_option): ...this, and split out into
5545 driver::build_option_suggestions and find_closest_string.
5546 (driver::build_option_suggestions): New function, from
5547 first half of suggest_option. Special-case
5548 OPT_fsanitize_ and OPT_fsanitize_recover_, making use of
5549 the sanitizer_opts array. For options of enum types, add the
5550 various enum values to the candidate strings.
5551 (driver::handle_unrecognized_options): Remove "const".
5552 * gcc.h (driver::handle_unrecognized_options): Likewise.
5553 (driver::build_option_suggestions): New decl.
5554 (driver::suggest_option): New decl.
5555 (driver::m_option_suggestions): New field.
5556 * opts-common.c (add_misspelling_candidates): New function.
5557 * opts.c (sanitizer_opts): Remove decl of struct sanitizer_opts_s
5558 and make non-static.
5559 * opts.h (sanitizer_opts): New array decl.
5560 (add_misspelling_candidates): New function decl.
5561 * spellcheck.c (find_closest_string): New function.
5562 * spellcheck.h (find_closest_string): New function decl.
5564 2016-02-12 Jakub Jelinek <jakub@redhat.com>
5566 PR rtl-optimization/69764
5567 PR rtl-optimization/69771
5568 * optabs.c (expand_binop_directly): For shift_optab_p, force
5569 convert_modes with VOIDmode if xop1 has VOIDmode.
5571 2016-02-12 Ilya Enkovich <enkovich.gnu@gmail.com>
5574 * lto-streamer-out.c (lto_output): Use thunk.add_pointer_bounds_args
5575 to correctly determine instrumentation thunks.
5577 2016-02-12 Jakub Jelinek <jakub@redhat.com>
5580 * ipa-split.c (split_function): If split part returns TREE_ADDRESSABLE
5581 type by reference, force lhs on the call.
5584 * ipa-split.c (split_function): Don't compute/use main_part_return_p.
5585 Compute retval and retbnd early in all cases if split_part_return_p
5586 and return_bb is not EXIT. Remove all clobber stmts and reset
5587 all debug stmts that refer to SSA_NAMEs defined in split part,
5588 except if it is retval, in that case replace the old retval with the
5589 lhs of the call to the split part.
5591 2016-02-12 Kugan Vivekanandarajah <kuganv@linaro.org>
5594 2016-02-12 Kugan Vivekanandarajah <kuganv@linaro.org>
5597 * tree-ssa-reassoc.c (optimize_range_tests): Handle tcc_compare stmt
5598 whose result is used in PHI.
5599 (maybe_optimize_range_tests): Likewise.
5600 (final_range_test_p): Likweise.
5602 2016-02-12 Kugan Vivekanandarajah <kuganv@linaro.org>
5605 * tree-ssa-reassoc.c (optimize_range_tests): Handle tcc_compare stmt
5606 whose result is used in PHI.
5607 (maybe_optimize_range_tests): Likewise.
5608 (final_range_test_p): Likweise.
5610 2016-02-12 Jakub Jelinek <jakub@redhat.com>
5612 * cgraph.c: Spelling fixes - behaviour -> behavior and
5613 neighbour -> neighbor.
5614 * target.def: Likewise.
5615 * sel-sched.c: Likewise.
5616 * config/mips/mips.c: Likewise.
5617 * config/arc/arc.md: Likewise.
5618 * config/arm/cortex-a57.md: Likewise.
5619 * config/arm/arm.c: Likewise.
5620 * config/arm/neon.md: Likewise.
5621 * config/arm/arm-c.c: Likewise.
5622 * config/vms/vms-c.c: Likewise.
5623 * config/s390/s390.c: Likewise.
5624 * config/i386/znver1.md: Likewise.
5625 * config/i386/i386.c: Likewise.
5626 * config/ia64/hpux-unix2003.h: Likewise.
5627 * config/msp430/msp430.md: Likewise.
5628 * config/rx/rx.c: Likewise.
5629 * config/rx/rx.md: Likewise.
5630 * config/aarch64/aarch64-simd.md: Likewise.
5631 * config/aarch64/aarch64.c: Likewise.
5632 * config/nvptx/nvptx.c: Likewise.
5633 * config/bfin/bfin.c: Likewise.
5634 * config/cris/cris.opt: Likewise.
5635 * config/rs6000/rs6000.c: Likewise.
5636 * target.h: Likewise.
5637 * spellcheck.c: Likewise.
5638 * ira-build.c: Likewise.
5639 * tree-inline.c: Likewise.
5640 * builtins.c: Likewise.
5641 * lra-constraints.c: Likewise.
5642 * explow.c: Likewise.
5643 * hwint.h: Likewise.
5644 * targhooks.c: Likewise.
5645 * tree-vect-data-refs.c: Likewise.
5647 * doc/tm.texi: Likewise.
5648 * doc/extend.texi: Likewise.
5649 * doc/install.texi: Likewise.
5650 * doc/md.texi: Likewise.
5651 * tree-ssa-tail-merge.c: Likewise.
5652 * sched-int.h: Likewise.
5653 * match.pd: Likewise.
5654 * sched-ebb.c: Likewise.
5655 * target.def (omit_struct_return_reg): Likewise.
5656 * gimple-ssa-isolate-paths.c: Likewise.
5657 (find_implicit_erroneous_behaviour): Renamed to...
5658 (find_implicit_erroneous_behavior): ... this.
5659 (find_explicit_erroneous_behaviour): Renamed to...
5660 (find_explicit_erroneous_behavior): ... this.
5661 (gimple_ssa_isolate_erroneous_paths): Adjust caller.
5663 2016-02-11 Segher Boessenkool <segher@kernel.crashing.org>
5665 PR rtl-optimization/64682
5666 PR rtl-optimization/69567
5667 PR rtl-optimization/69737
5668 * combine.c (distribute_notes) <REG_DEAD>: If the register is set
5669 in I2 as well, just lose it.
5671 2016-02-11 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
5673 * config/aarch64/aarch64.c (aarch64_last_printed_arch_string):
5675 (aarch64_last_printed_tune_string): Likewise.
5676 (aarch64_declare_function_name): Only output .arch assembler
5677 directive if it will be different from the previously output
5678 directive. Same for .tune comment but only if -dA is set.
5679 (aarch64_start_file): New function.
5680 (TARGET_ASM_FILE_START): Define.
5682 2016-02-11 David Malcolm <dmalcolm@redhat.com>
5685 * Makefile.in (PLUGIN_HEADERS): Add params.list.
5687 2016-02-11 Jakub Jelinek <jakub@redhat.com>
5690 * tree-vect-slp.c (vect_schedule_slp_instance): Avoid
5691 -Wmaybe-uninitialized warning.
5693 2016-02-11 Oleg Endo <olegendo@gcc.gnu.org>
5696 * config/sh/sh.md (casesi_worker_0): Add T_REG use.
5698 2016-02-11 Richard Biener <rguenther@suse.de>
5700 PR rtl-optimization/69291
5701 * ifcvt.c (noce_try_store_flag_constants): Do not allow
5702 subexpressions affected by changing the result.
5704 2016-02-10 Vladimir Makarov <vmakarov@redhat.com>
5707 * lra-constraints.c (curr_insn_transform): Find in/out operands
5708 for secondary memory moves. Update dups.
5710 2016-02-10 Yuri Rumyantsev <ysrumyan@gmail.com>
5712 PR tree-optimization/69652
5713 * tree-vect-loop.c (optimize_mask_stores): Move declaration of STMT1
5714 to nested loop, did source re-formatting, skip debug statements,
5715 add check on statement with volatile operand, remove dead scalar
5718 2016-02-10 Jakub Jelinek <jakub@redhat.com>
5719 Patrick Palka <ppalka@gcc.gnu.org>
5723 * gimplify.c (gimplify_modify_expr): Set lhs even for noreturn
5724 calls if the return type is TREE_ADDRESSABLE.
5725 * cgraphunit.c (cgraph_node::expand_thunk): Likewise.
5726 * ipa-split.c (split_function): Fix doubled "we" in comment.
5727 Use void return type for the split part even if
5728 !split_point->split_part_set_retval.
5730 2016-02-10 Bin Cheng <bin.cheng@arm.com>
5732 PR tree-optimization/68021
5733 * tree-ssa-loop-ivopts.c (get_computation_aff): Set ratio to 1 if
5734 when computing the value of biv cand by itself.
5736 2016-02-10 Wilco Dijkstra <wdijkstr@arm.com>
5738 * config/aarch64/aarch64.c (cortexa53_tunings): Enable AES fusion.
5739 (cortexa57_tunings): Likewise.
5740 (cortexa72_tunings): Likewise.
5741 (arch_macro_fusion_pair_p): Add support for AES fusion.
5742 * config/aarch64/aarch64-fusion-pairs.def: Add AES_AESMC entry.
5743 * config/arm/aarch-common.c (aarch_crypto_can_dual_issue):
5744 Allow virtual registers before reload so early scheduling works.
5745 * config/arm/cortex-a57.md (cortex_a57_crypto_simple): Use
5746 correct latency and pipeline.
5747 (cortex_a57_crypto_complex): Likewise.
5748 (cortex_a57_crypto_xor): Likewise.
5749 (define_bypass): Add AES bypass.
5751 2016-02-10 Richard Biener <rguenther@suse.de>
5753 PR tree-optimization/69726
5754 * passes.def: Add DCE pass before late uninit.
5755 * match.pd: Add A ? B : (!A ? C : X) -> A ? B : C patterns to
5756 really fixup if-conversions job.
5758 2016-02-10 Wilco Dijkstra <wdijkstr@arm.com>
5760 * config/arm/arm.c (arm_cortex_a53_tune): Enable AES fusion.
5761 (arm_cortex_a57_tune): Likewise.
5762 (aarch_macro_fusion_pair_p): Add support for AES fusion.
5763 * config/arm/arm-protos.h (fuse_ops): Add FUSE_AES_AESMC.
5765 2016-02-10 Eric Botcazou <ebotcazou@adacore.com>
5767 * timevar.def (TV_PHASE_DBGINFO): Delete.
5768 (TV_PHASE_CHECK_DBGINFO): Likewise.
5769 * varpool.c (varpool_node::assemble_decl): Do not change timevar.
5771 2016-02-10 Richard Biener <rguenther@suse.de>
5773 PR tree-optimization/69719
5774 * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
5775 Adjust previous fix by ensuring that dr_a1 is left of dr_a2.
5777 2016-02-09 Andrew Pinski <apinski@cavium.com>
5780 * optabs-tree.c (expand_vec_cond_expr_p): Don't early return if
5781 get_vcond_mask_icode returns false.
5783 2016-02-09 Michael Meissner <meissner@linux.vnet.ibm.com>
5786 * config/rs6000/predicates.md (fusion_gpr_addis): Prevent fusing
5787 an ADDIS that adds a pointer to a large constant that sets the
5788 upper16 bits with a load operation.
5790 2016-02-09 Charles Baylis <charles.baylis@linaro.org>
5793 * config/arm/arm.c (arm_evpc_neon_vzip): Allow for big endian lane
5795 * config/arm/arm_neon.h (vzipq_s8): Adjust shuffle patterns for big
5797 (vzipq_s16): Likewise.
5798 (vzipq_s32): Likewise.
5799 (vzipq_f32): Likewise.
5800 (vzipq_u8): Likewise.
5801 (vzipq_u16): Likewise.
5802 (vzipq_u32): Likewise.
5803 (vzipq_p8): Likewise.
5804 (vzipq_p16): Likewise.
5806 2016-02-09 Charles Baylis <charles.baylis@linaro.org>
5809 * config/arm/arm.c (neon_endian_lane_map): New function.
5810 (neon_vector_pair_endian_lane_map): New function.
5811 (arm_evpc_neon_vuzp): Allow for big endian lane order.
5812 * config/arm/arm_neon.h (vuzpq_s8): Adjust shuffle patterns for big
5814 (vuzpq_s16): Likewise.
5815 (vuzpq_s32): Likewise.
5816 (vuzpq_f32): Likewise.
5817 (vuzpq_u8): Likewise.
5818 (vuzpq_u16): Likewise.
5819 (vuzpq_u32): Likewise.
5820 (vuzpq_p8): Likewise.
5821 (vuzpq_p16): Likewise.
5823 2016-02-11 Alexandre Oliva <aoliva@redhat.com>
5826 * regstat.c (regstat_bb_compute_calls_crossed): Disregard
5829 2016-02-09 Uros Bizjak <ubizjak@gmail.com>
5831 * config/i386/i386.md (insv<mode>_1): Use gen_int_mode to
5832 truncate const_int operand 1 to QImode.
5834 2016-02-09 Eric Botcazou <ebotcazou@adacore.com>
5836 * gimple-ssa-backprop.c (optimize_phi): Do not replace an argument
5837 corresponding to an abnormal edge.
5839 2016-02-09 Tom de Vries <tom@codesourcery.com>
5841 PR tree-optimization/69599
5842 * tree-ssa-structalias.c (fndecl_maybe_in_other_partition): New
5844 (find_func_aliases_for_builtin_call, find_func_clobbers)
5845 (ipa_pta_execute): Handle case that foo and foo._0 are not in same lto
5848 2016-02-09 Richard Biener <rguenther@suse.de>
5850 PR tree-optimization/69715
5851 * tree-ssa.c (execute_update_addresses_taken): Mark non-decl
5852 LHS on calls as non-rewritable.
5854 2016-02-09 Tom de Vries <tom@codesourcery.com>
5857 * lto-wrapper.c (append_diag_options): New function.
5858 (compile_offload_image): Call append_diag_options.
5860 2016-02-08 Sandra Loosemore <sandra@codesourcery.com>
5863 * doc/extend.texi (Flag Output Operands): Correct sectioning.
5864 Minor copy-edit to fix verb tenses.
5866 2016-02-08 Jakub Jelinek <jakub@redhat.com>
5868 PR tree-optimization/69209
5869 * ipa-split.c (split_function): If split part is not
5870 returning retval, retval has gimple type but is not
5871 gimple value, force it into a SSA_NAME first.
5873 2016-02-08 Nicklas Bo Jensen <nbjensen@gmail.com>
5875 * doc/tree-ssa.texi (Preserving the virtual SSA form): Remove
5878 2016-02-08 Jason Merrill <jason@redhat.com>
5881 * convert.c (convert_to_integer_1): Check dofold on truncation
5883 (convert_to_pointer_maybe_fold, convert_to_real_maybe_fold)
5884 (convert_to_integer_maybe_fold, convert_to_complex_maybe_fold):
5885 Rename from *_nofold.
5886 * convert.h (convert_to_pointer_nofold, convert_to_integer_nofold)
5887 (convert_to_real_nofold, convert_to_complex_nofold): New inlines.
5889 2016-02-08 Bernd Schmidt <bschmidt@redhat.com>
5892 * tree.c (build_common_tree_nodes): Remove short_double argument.
5893 All callers changed.
5894 * tree.h (build_common_tree_nodes): Adjust declaration.
5895 * doc/invoke.texi (-fshort-double): Remove documentation.
5896 * config/mips/t-img-elf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
5897 MULTILIB_EXCEPTIONS): Remove -fshort-double variant.
5898 * lto-wrapper.c (merge_and_complain, append_compiler_options)
5899 (append_linker_options): Don't handle OPT_fshort_double.
5901 PR rtl-optimization/68730
5902 * lra-remat.c (insn_to_cand_activation): New static variable.
5903 (lra_remat): Allocate and free it.
5904 (create_cand): New arg activation. Initialize a field in
5905 insn_to_cand_activation if it is nonnull.
5906 (create_cands): Pass the activation insn to create_cand when making
5907 a candidate involving an output reload. Reorganize code a little.
5908 (do_remat): Keep track of active status of candidates in a separate
5911 2016-02-08 Richard Biener <rguenther@suse.de>
5913 PR tree-optimization/69719
5914 * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
5915 Properly use absolute of the difference of the two offsets to
5916 compare or adjust the segment length.
5918 2016-02-08 Richard Biener <rguenther@suse.de>
5919 Jeff Law <law@redhat.com>
5922 * tree-ssanames.c (make_ssa_name_fn): Always use unqualified
5923 types for anonymous SSA names.
5925 2016-02-08 Richard Biener <rguenther@suse.de>
5927 PR rtl-optimization/69274
5928 * ira.c (ira_setup_alts): Do not change recog_data.operand order.
5930 2016-02-08 Jeff Law <law@redhat.com>
5932 PR tree-optimization/65917
5933 * tree-ssa-dom.c (record_temporary_equivalences): Record both
5934 equivalences from if (x == y) style conditionals.
5935 (loop_depth_of_name): Remove.
5936 (record_equality): Remove loop depth check.
5937 * tree-ssa-scopedtables.h (const_and_copies): Refine comments.
5938 (const_and_copies::record_const_or_copy_raw): New member function.
5939 * tree-ssa-scopedtables.c
5940 (const_and_copies::record_const_or_copy_raw): New, factored out of
5941 (const_and_copies::record_const_or_copy): Call new member function.
5943 2016-02-05 Jeff Law <law@redhat.com>
5945 PR tree-optimization/68541
5946 * gimple-ssa-split-paths.c: Include tree-cfg.h and params.h.
5947 (count_stmts_in_block): New function.
5948 (poor_ifcvt_candidate_code): Likewise.
5949 (is_feasible_trace): Add some heuristics to determine when path
5950 splitting is profitable.
5951 (find_block_to_duplicate_for_splitting_paths): Make sure the graph
5952 is a diamond with a single exit.
5954 2016-02-05 Martin Sebor <msebor@redhat.com>
5957 * doc/invoke.texi: Update -Wplacement-new to take an optional
5960 2016-02-06 Richard Henderson <rth@redhat.com>
5963 * tree.c (tree_nop_conversion_p): Do not strip casts into or
5964 out of non-standard address spaces.
5966 2016-02-05 Jakub Jelinek <jakub@redhat.com>
5968 PR rtl-optimization/69691
5969 * lra-eliminations.c (move_plus_up): Don't add the addend twice.
5971 2016-02-05 Pat Haugen <pthaugen@us.ibm.com>
5973 * config/rs6000/crypto.md (crypto_vpermxor_<mode>): Correct insn type.
5974 * config/rs6000/rs6000.md (mov<mode>_hardfloat): Likewise.
5975 (*ieee128_mfvsrd_64bit): Likewise.
5976 (*ieee128_mfvsrd_32bit): Likewise.
5978 2016-02-05 Ilya Enkovich <enkovich.gnu@gmail.com>
5982 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
5984 * cgraphunit.c (cgraph_node::reset): Clear thunk info and
5985 instrumented_version.
5987 2016-01-05 Jeremy Bennett <jeremy.bennett@embecosm.com>
5989 * doc/invoke.texi (Optimize Options): In table of --param options
5990 rename second occurrence of tracer-min-branch-ratio to
5991 tracer-min-branch-probability, rename
5992 tracer-min-branch-ratio-feedback to
5993 tracer-min-branch-probability-feedback and clarify description,
5994 rename sched-spec-state-edge-prob-cutoff to
5995 sched-state-edge-prob-cutoff, rename selsched-max-insns-to-rename
5996 to selsched-insns-to-rename, rename lto-minpartition to
5997 lto-min-partition, delete reorder-blocks-duplicate and
5998 reorder-blocks-duplicate-feedback.
6000 2016-02-05 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
6002 * config/s390/s390.c (s390_register_info_set_ranges): Remove
6005 2016-02-05 Dominik Vogt <vogt@linux.vnet.ibm.com>
6007 * doc/extend.texi: S/390: Correct some typos.
6009 2016-02-05 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
6011 * config/s390/s390.c (s390_emit_call): Add missing 64 bit check.
6013 2016-02-05 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
6016 * config/s390/s390.c (SAVE_SLOT_NONE, SAVE_SLOT_STACK): New defines.
6017 (s390_register_info_gprtofpr): Use new macros above.
6018 (s390_register_info_stdarg_fpr): Adjust max_fpr to better match
6020 (s390_register_info_stdarg_gpr): Adjust max_gpr to better match
6021 its name. Adjust restore and save gpr ranges.
6022 (s390_register_info_set_ranges): New function.
6023 (s390_register_info): Use new macros above. Call
6024 s390_register_info_set_ranges.
6025 (s390_optimize_register_info): Likewise.
6026 (s390_hard_regno_rename_ok): Use new macros.
6027 (s390_hard_regno_scratch_ok): Likewise.
6028 (s390_emit_epilogue): Likewise.
6029 (s390_can_use_return_insn): Likewise.
6030 (s390_optimize_prologue): Likewise.
6031 * config/s390/s390.md (GPR2_REGNUM, GPR6_REGNUM): New constants.
6033 2016-02-05 Jakub Jelinek <jakub@redhat.com>
6036 * config/i386/i386.c (convert_scalars_to_vector): Readd stack
6038 (ix86_option_override_internal): Disable TARGET_STV even for
6039 -m{incoming,preferred}-stack-boundary=3.
6041 2016-02-03 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
6043 * config.gcc: Mark deprecated rtems targets as obsolete.
6045 2016-02-04 Segher Boessenkool <segher@kernel.crashing.org>
6047 PR rtl-optimization/64682
6048 PR rtl-optimization/69567
6049 * combine.c (distribute_notes) <REG_DEAD>: Place the death note
6050 before I2 only if the register is both used and set in I2.
6052 2016-02-04 DJ Delorie <dj@redhat.com>
6054 * config/msp430/msp430.c (msp430_start_function): Add function type.
6056 2016-02-04 Jakub Jelinek <jakub@redhat.com>
6059 * tree-dfa.c (get_ref_base_and_extent): Remove unreachable code.
6061 2016-02-04 Uros Bizjak <ubizjak@gmail.com>
6063 PR rtl-optimization/69577
6065 2015-10-29 Richard Henderson <rth@redhat.com>
6069 * config/i386/i386.c (ix86_cannot_change_mode_class): Tighten
6070 sse check to the exact conditions of PR 67609.
6072 2016-02-04 Michael Meissner <meissner@linux.vnet.ibm.com>
6075 * config/rs6000/rs6000.md (mov<mode>_64bit_dm): Use 'd' constraint
6076 instead of 'ws', and 'wh' instead of 'wm' since TFmode/IFmode are
6077 not allowed into the traditional Altivec registers.
6078 (movtd_64bit_nodm): Likewise.
6079 (mov<mode>_32bit, FMOVE128_FPR iterator): Likewise.
6081 2016-02-04 David Malcolm <dmalcolm@redhat.com>
6083 * config/aarch64/cortex-a57-fma-steering.c
6084 (aarch64_register_fma_steering): Remove "static" from arguments
6087 2016-02-04 Wilco Dijkstra <wdijkstr@arm.com>
6090 * ccmp.c (expand_ccmp_expr_1): Avoid evaluating gs0/gs1
6093 2016-02-04 Mike Frysinger <vapier@gentoo.org>
6095 * doc/invoke.texi: Delete -mno-fma4.
6097 2016-02-04 Richard Sandiford <richard.sandiford@arm.com>
6099 PR rtl-optimization/69577
6100 * reginfo.c (record_subregs_of_mode): Add a partial_def parameter.
6101 (find_subregs_of_mode): Update accordingly. Iterate over partial
6104 2016-02-04 Alan Lawrence <alan.lawrence@arm.com>
6106 * config/arm/arm-protos.h (neon_reinterpret): Remove.
6107 * config/arm/arm.c (neon_reinterpret): Remove.
6108 * config/arm/arm_neon_builtins.def (vreinterpretv8qi, vreinterpretv4hi,
6109 vreinterpretv2si, vreinterpretv2sf, vreinterpretdi, vreinterpretv16qi,
6110 vreinterpretv8hi, vreinterpretv4si, vreinterpretv4sf, vreinterpretv2di,
6111 vreinterpretti): Remove.
6112 * config/arm/neon.md (neon_vreinterpretv8qi<mode>,
6113 neon_vreinterpretv4hi<mode>, neon_vreinterpretv2si<mode>,
6114 neon_vreinterpretv2sf<mode>, neon_vreinterpretdi<mode>,
6115 neon_vreinterpretti<mode>, neon_vreinterpretv16qi<mode>,
6116 neon_vreinterpretv8hi<mode>, neon_vreinterpretv4si<mode>,
6117 neon_vreinterpretv4sf<mode>, neon_vreinterpretv2di<mode>): Remove.
6118 * config/arm/arm_neon.h (vreinterpret_p8_p16, vreinterpret_p8_f32,
6119 vreinterpret_p8_p64, vreinterpret_p8_s64, vreinterpret_p8_u64,
6120 vreinterpret_p8_s8, vreinterpret_p8_s16, vreinterpret_p8_s32,
6121 vreinterpret_p8_u8, vreinterpret_p8_u16, vreinterpret_p8_u32,
6122 vreinterpret_p16_p8, vreinterpret_p16_f32, vreinterpret_p16_p64,
6123 vreinterpret_p16_s64, vreinterpret_p16_u64, vreinterpret_p16_s8,
6124 vreinterpret_p16_s16, vreinterpret_p16_s32, vreinterpret_p16_u8,
6125 vreinterpret_p16_u16, vreinterpret_p16_u32, vreinterpret_f32_p8,
6126 vreinterpret_f32_p16, vreinterpret_f32_p64, vreinterpret_f32_s64,
6127 vreinterpret_f32_u64, vreinterpret_f32_s8, vreinterpret_f32_s16,
6128 vreinterpret_f32_s32, vreinterpret_f32_u8, vreinterpret_f32_u16,
6129 vreinterpret_f32_u32, vreinterpret_p64_p8, vreinterpret_p64_p16,
6130 vreinterpret_p64_f32, vreinterpret_p64_s64, vreinterpret_p64_u64,
6131 vreinterpret_p64_s8, vreinterpret_p64_s16, vreinterpret_p64_s32,
6132 vreinterpret_p64_u8, vreinterpret_p64_u16, vreinterpret_p64_u32,
6133 vreinterpret_s64_p8, vreinterpret_s64_p16, vreinterpret_s64_f32,
6134 vreinterpret_s64_p64, vreinterpret_s64_u64, vreinterpret_s64_s8,
6135 vreinterpret_s64_s16, vreinterpret_s64_s32, vreinterpret_s64_u8,
6136 vreinterpret_s64_u16, vreinterpret_s64_u32, vreinterpret_u64_p8,
6137 vreinterpret_u64_p16, vreinterpret_u64_f32, vreinterpret_u64_p64,
6138 vreinterpret_u64_s64, vreinterpret_u64_s8, vreinterpret_u64_s16,
6139 vreinterpret_u64_s32, vreinterpret_u64_u8, vreinterpret_u64_u16,
6140 vreinterpret_u64_u32, vreinterpret_s8_p8, vreinterpret_s8_p16,
6141 vreinterpret_s8_f32, vreinterpret_s8_p64, vreinterpret_s8_s64,
6142 vreinterpret_s8_u64, vreinterpret_s8_s16, vreinterpret_s8_s32,
6143 vreinterpret_s8_u8, vreinterpret_s8_u16, vreinterpret_s8_u32,
6144 vreinterpret_s16_p8, vreinterpret_s16_p16, vreinterpret_s16_f32,
6145 vreinterpret_s16_p64, vreinterpret_s16_s64, vreinterpret_s16_u64,
6146 vreinterpret_s16_s8, vreinterpret_s16_s32, vreinterpret_s16_u8,
6147 vreinterpret_s16_u16, vreinterpret_s16_u32, vreinterpret_s32_p8,
6148 vreinterpret_s32_p16, vreinterpret_s32_f32, vreinterpret_s32_p64,
6149 vreinterpret_s32_s64, vreinterpret_s32_u64, vreinterpret_s32_s8,
6150 vreinterpret_s32_s16, vreinterpret_s32_u8, vreinterpret_s32_u16,
6151 vreinterpret_s32_u32, vreinterpret_u8_p8, vreinterpret_u8_p16,
6152 vreinterpret_u8_f32, vreinterpret_u8_p64, vreinterpret_u8_s64,
6153 vreinterpret_u8_u64, vreinterpret_u8_s8, vreinterpret_u8_s16,
6154 vreinterpret_u8_s32, vreinterpret_u8_u16, vreinterpret_u8_u32,
6155 vreinterpret_u16_p8, vreinterpret_u16_p16, vreinterpret_u16_f32,
6156 vreinterpret_u16_p64, vreinterpret_u16_s64, vreinterpret_u16_u64,
6157 vreinterpret_u16_s8, vreinterpret_u16_s16, vreinterpret_u16_s32,
6158 vreinterpret_u16_u8, vreinterpret_u16_u32, vreinterpret_u32_p8,
6159 vreinterpret_u32_p16, vreinterpret_u32_f32, vreinterpret_u32_p64,
6160 vreinterpret_u32_s64, vreinterpret_u32_u64, vreinterpret_u32_s8,
6161 vreinterpret_u32_s16, vreinterpret_u32_s32, vreinterpret_u32_u8,
6162 vreinterpret_u32_u16, vreinterpretq_p8_p16, vreinterpretq_p8_f32,
6163 vreinterpretq_p8_p64, vreinterpretq_p8_p128, vreinterpretq_p8_s64,
6164 vreinterpretq_p8_u64, vreinterpretq_p8_s8, vreinterpretq_p8_s16,
6165 vreinterpretq_p8_s32, vreinterpretq_p8_u8, vreinterpretq_p8_u16,
6166 vreinterpretq_p8_u32, vreinterpretq_p16_p8, vreinterpretq_p16_f32,
6167 vreinterpretq_p16_p64, vreinterpretq_p16_p128, vreinterpretq_p16_s64,
6168 vreinterpretq_p16_u64, vreinterpretq_p16_s8, vreinterpretq_p16_s16,
6169 vreinterpretq_p16_s32, vreinterpretq_p16_u8, vreinterpretq_p16_u16,
6170 vreinterpretq_p16_u32, vreinterpretq_f32_p8, vreinterpretq_f32_p16,
6171 vreinterpretq_f32_p64, vreinterpretq_f32_p128, vreinterpretq_f32_s64,
6172 vreinterpretq_f32_u64, vreinterpretq_f32_s8, vreinterpretq_f32_s16,
6173 vreinterpretq_f32_s32, vreinterpretq_f32_u8, vreinterpretq_f32_u16,
6174 vreinterpretq_f32_u32, vreinterpretq_p64_p8, vreinterpretq_p64_p16,
6175 vreinterpretq_p64_f32, vreinterpretq_p64_p128, vreinterpretq_p64_s64,
6176 vreinterpretq_p64_u64, vreinterpretq_p64_s8, vreinterpretq_p64_s16,
6177 vreinterpretq_p64_s32, vreinterpretq_p64_u8, vreinterpretq_p64_u16,
6178 vreinterpretq_p64_u32, vreinterpretq_p128_p8, vreinterpretq_p128_p16,
6179 vreinterpretq_p128_f32, vreinterpretq_p128_p64, vreinterpretq_p128_s64,
6180 vreinterpretq_p128_u64, vreinterpretq_p128_s8, vreinterpretq_p128_s16,
6181 vreinterpretq_p128_s32, vreinterpretq_p128_u8, vreinterpretq_p128_u16,
6182 vreinterpretq_p128_u32, vreinterpretq_s64_p8, vreinterpretq_s64_p16,
6183 vreinterpretq_s64_f32, vreinterpretq_s64_p64, vreinterpretq_s64_p128,
6184 vreinterpretq_s64_u64, vreinterpretq_s64_s8, vreinterpretq_s64_s16,
6185 vreinterpretq_s64_s32, vreinterpretq_s64_u8, vreinterpretq_s64_u16,
6186 vreinterpretq_s64_u32, vreinterpretq_u64_p8, vreinterpretq_u64_p16,
6187 vreinterpretq_u64_f32, vreinterpretq_u64_p64, vreinterpretq_u64_p128,
6188 vreinterpretq_u64_s64, vreinterpretq_u64_s8, vreinterpretq_u64_s16,
6189 vreinterpretq_u64_s32, vreinterpretq_u64_u8, vreinterpretq_u64_u16,
6190 vreinterpretq_u64_u32, vreinterpretq_s8_p8, vreinterpretq_s8_p16,
6191 vreinterpretq_s8_f32, vreinterpretq_s8_p64, vreinterpretq_s8_p128,
6192 vreinterpretq_s8_s64, vreinterpretq_s8_u64, vreinterpretq_s8_s16,
6193 vreinterpretq_s8_s32, vreinterpretq_s8_u8, vreinterpretq_s8_u16,
6194 vreinterpretq_s8_u32, vreinterpretq_s16_p8, vreinterpretq_s16_p16,
6195 vreinterpretq_s16_f32, vreinterpretq_s16_p64, vreinterpretq_s16_p128,
6196 vreinterpretq_s16_s64, vreinterpretq_s16_u64, vreinterpretq_s16_s8,
6197 vreinterpretq_s16_s32, vreinterpretq_s16_u8, vreinterpretq_s16_u16,
6198 vreinterpretq_s16_u32, vreinterpretq_s32_p8, vreinterpretq_s32_p16,
6199 vreinterpretq_s32_f16, vreinterpretq_s32_f32, vreinterpretq_s32_p64,
6200 vreinterpretq_s32_p128, vreinterpretq_s32_s64, vreinterpretq_s32_u64,
6201 vreinterpretq_s32_s8, vreinterpretq_s32_s16, vreinterpretq_s32_u8,
6202 vreinterpretq_s32_u16, vreinterpretq_s32_u32, vreinterpretq_u8_p8,
6203 vreinterpretq_u8_p16, vreinterpretq_u8_f32, vreinterpretq_u8_p64,
6204 vreinterpretq_u8_p128, vreinterpretq_u8_s64, vreinterpretq_u8_u64,
6205 vreinterpretq_u8_s8, vreinterpretq_u8_s16, vreinterpretq_u8_s32,
6206 vreinterpretq_u8_u16, vreinterpretq_u8_u32, vreinterpretq_u16_p8,
6207 vreinterpretq_u16_p16, vreinterpretq_u16_f32, vreinterpretq_u16_p64,
6208 vreinterpretq_u16_p128, vreinterpretq_u16_s64, vreinterpretq_u16_u64,
6209 vreinterpretq_u16_s8, vreinterpretq_u16_s16, vreinterpretq_u16_s32,
6210 vreinterpretq_u16_u8, vreinterpretq_u16_u32, vreinterpretq_u32_p8,
6211 vreinterpretq_u32_p16, vreinterpretq_u32_f32, vreinterpretq_u32_p64,
6212 vreinterpretq_u32_p128, vreinterpretq_u32_s64, vreinterpretq_u32_u64,
6213 vreinterpretq_u32_s8, vreinterpretq_u32_s16, vreinterpretq_u32_s32,
6214 vreinterpretq_u32_u8, vreinterpretq_u32_u16): Rewrite using casts.
6216 2016-02-04 Martin Liska <mliska@suse.cz>
6219 * asan.c (has_stmt_been_instrumented_p): Instrument gimple calls
6220 that are gimple_store_p.
6221 (maybe_instrument_call): Likewise.
6223 2016-02-04 Bin Cheng <bin.cheng@arm.com>
6225 * config/aarch64/aarch64.c (aarch64_legitimize_address): Force
6226 register scaling out of memory reference and comment why.
6228 2016-02-04 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
6232 * cse.c (cse_insn): Pass NULL to fold_rtx when initially
6233 folding the source of a SET.
6235 2016-02-04 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
6239 * config/arm/arm.c (arm_new_rtx_costs, MULT case): Properly extract
6240 the operands of the SIGN_EXTENDs from a SMUL[TB][TB] rtx.
6242 2016-02-04 Jim Wilson <jim.wilson@linaro.org>
6246 * config/arm/arm.h (PROMOTE_MODE): Don't set UNSIGNEDP for QImode and
6249 2016-02-04 Christian Bruel <christian.bruel@st.com>
6251 * config/arm/arm-c.c (arm_reset_previous_fndecl): Style fix and typo.
6252 * config/arm/arm.c (arm_set_current_function): Likewise.
6254 2016-02-04 Jakub Jelinek <jakub@redhat.com>
6255 Ilya Enkovich <enkovich.gnu@gmail.com>
6256 H.J. Lu <hongjiu.lu@intel.com>
6259 * config/i386/i386.c (convert_scalars_to_vector): Remove
6260 stack alignment fixes.
6261 (ix86_option_override_internal): Disable TARGET_STV if stack
6262 might not be aligned enough.
6263 (ix86_minimum_alignment): Assert that TARGET_STV is false.
6265 2016-02-04 Victoria Stepanyan <victoria.stepanyan@amd.com>
6267 * gcc/config/i386/x86-tune.def: Disable default prefetching
6270 2016-02-03 Michael Meissner <meissner@linux.vnet.ibm.com>
6271 Vladimir Makarov <vmakarov@redhat.com>
6274 * config/rs6000/rs6000.c (rs6000_legitimate_address_p): Fix thinko
6275 in validating fused toc addresses.
6277 2016-02-03 Jakub Jelinek <jakub@redhat.com>
6280 * diagnostic-show-locus.c (layout::get_state_at_point): Don't read
6281 range->m_caret fields if range->m_show_caret_p is false.
6284 * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap):
6285 Force oldval into register if it does not satisfy reg_or_short_operand
6286 predicate. Fix up formatting.
6288 2016-02-03 Vladimir Makarov <vmakarov@redhat.com>
6289 Alexandre Oliva <aoliva@redhat.com>
6292 * lra-constraints.c (simplify_operand_subreg): Check additionally
6293 address validity after potential reloading.
6294 (process_address_1): Check insns validity. In case of failure do
6297 2016-02-03 Kirill Yukhin <kirill.yukhin@intel.com>
6300 * config/i386/sse.md (define_insn "avx512f_maskcmp<mode>3"):
6303 2016-02-02 Jakub Jelinek <jakub@redhat.com>
6305 * wide-int.cc (canonize_uhwi): New function.
6306 (wi::divmod_internal): Use it.
6308 2016-02-02 James Norris <jnorris@codesourcery.com
6310 * gimplify.c (omp_notice_variable): Add usage check.
6312 2016-02-02 Alexander Monakov <amonakov@ispras.ru>
6314 * config/nvptx/nvptx.c (nvptx_print_operand): Treat LEU, GEU, LTU, GTU
6315 like LE, GE, LT, GT when emitting relational operator.
6317 2016-02-02 Wilco Dijkstra <wdijkstr@arm.com>
6319 * ira-costs.c (find_costs_and_classes): Add extra argument.
6320 * target.def (ira_change_pseudo_allocno_class): Add parameter.
6321 * targhooks.h (ira_change_pseudo_allocno_class): Likewise.
6322 * targhooks.c (ira_change_pseudo_allocno_class): Likewise.
6323 * config/aarch64/aarch64.c (aarch64_ira_change_pseudo_allocno_class)
6324 Add best_class parameter, and return it if not ALL_REGS.
6325 * config/mips/mips.c (mips_ira_change_pseudo_allocno_class):
6327 * doc/tm.texi (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS):
6330 2016-02-02 Wilco Dijkstra <wdijkstr@arm.com>
6332 * config/aarch64/aarch64.c
6333 (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS): New define.
6334 (aarch64_ira_change_pseudo_allocno_class): New function.
6336 2016-02-02 Uros Bizjak <ubizjak@gmail.com>
6339 * config/i386/i386.c (geode_cost): Increase cost of MMX and SSE moves.
6341 2016-02-02 Senthil Kumar Selvaraj <senthil_kumar.selvaraj@atmel.com>
6343 * config/avr/avr.c (avr_option_override): Set
6344 PARAM_ALLOW_STORE_DATA_RACES to 1.
6346 2016-02-02 Richard Biener <rguenther@suse.de>
6348 PR tree-optimization/69595
6349 * match.pd: Add range test simplifications to true/false.
6351 2016-02-02 Thomas Schwinge <thomas@codesourcery.com>
6353 * omp-builtins.def (BUILT_IN_GOACC_HOST_DATA): Remove.
6354 * omp-low.c (expand_omp_target): Use BUILT_IN_GOACC_DATA_START
6357 2016-02-02 Richard Biener <rguenther@suse.de>
6359 PR tree-optimization/69606
6360 * tree-ssa-math-opts.c (bswap_replace): Clear flow sensitive
6361 info on the result before moving a stmt.
6363 2016-02-02 Yuri Rumyantsev <ysrumyan@gmail.com>
6366 * config/i386/i386.c (ix86_expand_branch): Add support for conditional
6367 branch with vector comparison.
6368 * config/i386/sse.md (VI48_AVX): New mode iterator.
6369 (define_expand "cbranch<mode>4): Add support for conditional branch
6370 with vector comparison.
6371 * tree-vect-loop.c (optimize_mask_stores): New function.
6372 * tree-vect-stmts.c (vectorizable_mask_load_store): Initialize
6373 has_mask_store field of vect_info.
6374 * tree-vectorizer.c (vectorize_loops): Invoke optimaze_mask_stores for
6375 vectorized loops having masked stores after vec_info destroy.
6376 * tree-vectorizer.h (loop_vec_info): Add new has_mask_store field and
6377 correspondent macros.
6378 (optimize_mask_stores): Add prototype.
6380 2016-02-02 Alan Modra <amodra@gmail.com>
6383 * config/rs6000/predicates.md (quad_int_reg_operand): Don't
6386 2016-02-02 Alan Modra <amodra@gmail.com>
6389 * config/rs6000/rs6000.c (need_toc_init): New var, set it
6390 whenever toc_label_name used.
6391 (rs6000_file_start): Don't set up toc section here,
6392 (rs6000_output_function_epilogue): do so here instead,
6393 (rs6000_xcoff_file_start): and here.
6394 * config/rs6000/rs6000.md (load_toc_aix_si): Set need_toc_init.
6395 (load_toc_aix_di): Likewise.
6397 2016-02-01 Jakub Jelinek <jakub@redhat.com>
6399 PR rtl-optimization/69592
6400 * rtlanal.c (nonzero_bits_binary_arith_p): New inline function.
6401 (cached_nonzero_bits): Use it instead of ARITHMETIC_P.
6402 (num_sign_bit_copies_binary_arith_p): New inline function.
6403 (cached_num_sign_bit_copies): Use it instead of ARITHMETIC_P.
6405 2016-02-01 Jeff Law <law@redhat.com>
6407 PR tree-optimization/69580
6408 * params.def (FSM_MAXIMUM_PHI_ARGUMENTS): New param.
6409 * tree-ssa-threadbackward.c
6410 (fsm_find_control_statement_thread_paths): Do not try to walk
6411 through large PHI nodes.
6413 2016-02-01 Jakub Jelinek <jakub@redhat.com>
6415 * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Return false
6416 when count is incremented above limit, don't analyze further
6419 * omp-low.c (oacc_parse_default_dims): Avoid
6420 -Wsign-compare warning, make sure value fits into int
6421 rather than just unsigned int.
6423 2016-02-01 Bin Cheng <bin.cheng@arm.com>
6425 PR tree-optimization/67921
6426 * fold-const.c (split_tree): New parameters. Convert pointer
6427 type variable part to proper type before negating.
6428 (fold_binary_loc): Pass new arguments to split_tree.
6430 2016-02-01 Nathan Sidwell <nathan@codesourcery.com>
6432 * config/nvptx/nvptx.c (PTX_GANG_DEFAULT): New.
6433 (nvptx_goacc_validate_dims): Extend to handle global defaults.
6434 * target.def (OACC_VALIDATE_DIMS): Extend documentation.
6435 * doc/tm.texti: Rebuilt.
6436 * doc/invoke.texi (fopenacc-dim): Document.
6437 * lto-wrapper.c (merge_and_complain): Add OPT_fopenacc_dim_ case.
6438 (append_compiler_options): Likewise.
6439 * omp-low.c (oacc_default_dims, oacc_min_dims): New.
6440 (oacc_parse_default_dims): New.
6441 (oacc_validate_dims): Add USED arg. Select non-unity default when
6443 (oacc_loop_fixed_partitions): Return mask of used partitions.
6444 (oacc_loop_auto_partitions): Emit dump info.
6445 (oacc_loop_partition): Return mask of used partitions.
6446 (execute_oacc_device_lower): Parse default dimension arg. Adjust
6447 loop partitioning and validation calls.
6449 2016-02-01 Richard Biener <rguenther@suse.de>
6452 * match.pd: Guard (C1/X)*C2 -> (C1*C2)/X with single_use.
6454 2016-02-01 Richard Biener <rguenther@suse.de>
6456 PR tree-optimization/69574
6457 * tree-chrec.c (hide_evolution_in_other_loops_than_loop): Instead
6458 of asserting return chrec_dont_know.
6460 2016-02-01 Martin Liska <mliska@suse.cz>
6462 * mem-stats-traits.h: Add copyright header.
6463 * mem-stats.h: Likewise.
6465 2016-02-01 Richard Biener <rguenther@suse.de>
6467 PR tree-optimization/69579
6468 * tree-ssa-loop-ivcanon.c (propagate_constants_for_unrolling):
6469 Do not propagate through abnormal PHI results.
6471 2016-02-01 Eric Botcazou <ebotcazou@adacore.com>
6473 * postreload.c (reload_cse_simplify): Remove dead code.
6475 2016-02-01 Jakub Jelinek <jakub@redhat.com>
6477 PR rtl-optimization/69570
6478 * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Return true only
6479 if there is more than one set, not if there is a single set.
6481 2016-02-01 Richard Henderson <rth@redhat.com>
6484 * combine.c (make_compound_operation): When looking through a
6485 subreg, make sure to re-extend to the width of the outer mode.
6487 2016-01-30 Jakub Jelinek <jakub@redhat.com>
6489 PR tree-optimization/69546
6490 * wide-int.cc (wi::divmod_internal): For unsigned division
6491 where both operands fit into uhwi, if o1 is 1 and o0 has
6492 msb set, if divident_prec is larger than bits per hwi,
6493 clear another quotient word and return 2 instead of 1.
6494 Similarly for remainder with msb in HWI set, if dividend_prec
6495 is larger than bits per hwi.
6497 2016-01-29 Martin Jambor <mjambor@suse.cz>
6499 * hsa-gen.c (get_memory_order_name): Mask with MEMMODEL_BASE_MASK.
6500 Use short lowercase names.
6501 (get_memory_order): Mask with MEMMODEL_BASE_MASK. Support
6502 MEMMODEL_CONSUME with acquire semantics and MEMMODEL_SEQ_CST with
6503 acq_rel one. Protect warning agains segfaults if
6504 get_memory_order_name returns NULL.
6505 (gen_hsa_ternary_atomic_for_builtin): Support with MEMMODEL_SEQ_CST
6506 with release semantics. Do not warn if get_memory_order already did.
6507 (gen_hsa_insns_for_call): Support with MEMMODEL_SEQ_CST with acquire
6508 semantics. Fix check for relaxed or acquire semantics. Do not warn
6509 if get_memory_order already did.
6511 2016-01-29 Sebastian Pop <s.pop@samsung.com>
6513 * doc/install.texi: Document that isl-0.16 is supported.
6515 2016-01-29 Vladimir Makarov <vmakarov@redhat.com>
6518 * config/i386/constraints.md (Bm): Describe as special memory
6520 * doc/md.texi (DEFINE_SPECIAL_MEMORY_CONSTRAINT): Describe it.
6521 * genoutput.c (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
6522 * genpreds.c (struct constraint_data): Add is_special_memory.
6523 (have_special_memory_constraints, special_memory_start): New
6525 (special_memory_end): Ditto.
6526 (add_constraint): Add new arg is_special_memory. Add code to
6527 process its true value. Update have_special_memory_constraints.
6528 (process_define_constraint): Pass the new arg.
6529 (process_define_register_constraint): Ditto.
6530 (choose_enum_order): Process special memory.
6531 (write_tm_preds_h): Generate enum const CT_SPECIAL_MEMORY and
6532 function insn_extra_special_memory_constraint.
6533 (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
6534 * gensupport.c (process_rtx): Process
6535 DEFINE_SPECIAL_MEMORY_CONSTRAINT.
6536 * ira-costs.c (record_reg_classes): Process CT_SPECIAL_MEMORY.
6537 * ira-lives.c (single_reg_class): Use
6538 insn_extra_special_memory_constraint.
6539 * ira.c (ira_setup_alts): Process CT_SPECIAL_MEMORY.
6540 * lra-constraints.c (process_alt_operands): Ditto.
6541 (curr_insn_transform): Use insn_extra_special_memory_constraint.
6542 * recog.c (asm_operand_ok, preprocess_constraints): Process
6544 * reload.c (find_reloads): Ditto.
6545 * rtl.def (DEFINE_SPECIFAL_MEMORY_CONSTRAINT): New.
6546 * stmt.c (parse_input_constraint): Use
6547 insn_extra_special_memory_constraint.
6549 2016-01-29 H.J. Lu <hongjiu.lu@intel.com>
6552 * lra-splill.c (lra_final_code_change): Revert r229087 by
6553 removing all sub-registers.
6555 2016-01-29 Steve Ellcey <sellcey@imgtec.com>
6558 * config/mips/mips.c (mips_output_division): Check flag_delayed_branch.
6560 2016-01-29 Jakub Jelinek <jakub@redhat.com>
6563 * config/i386/i386.c (ix86_expand_vector_set) <case V4SImode>: For
6564 SSE1, copy target into the temporary reg first before recursing
6567 2016-01-29 H.J. Lu <hongjiu.lu@intel.com>
6569 * config/i386/sse.md (sse2_cvtps2pd<mask_name>): Replace vBm
6572 2016-01-29 Jonathan Wakely <jwakely@redhat.com>
6574 * ginclude/stdarg.h: Test __cplusplus instead of
6575 __GXX_EXPERIMENTAL_CXX0X__.
6577 2016-01-29 Richard Biener <rguenther@suse.de>
6579 PR tree-optimization/69547
6580 * tree-ssa-dce.c (mark_aliased_reaching_defs_necessary_1):
6581 Do not mark clobbers necessary.
6582 (mark_all_reaching_defs_necessary_1): Likewise.
6584 2016-01-29 Dominik Vogt <vogt@linux.vnet.ibm.com>
6586 * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Format
6587 declaration name with %qs and print it in both error messages.
6588 Also fix indentation.
6590 2016-01-29 Dominik Vogt <vogt@linux.vnet.ibm.com>
6593 * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Remove
6594 trailing blank line from error message.
6596 2016-01-29 Jonathan Wakely <jwakely@redhat.com>
6599 * ginclude/float.h: Also provide FLT_EVAL_METHOD and DECIMAL_DIG
6602 2016-01-29 Richard Biener <rguenther@suse.de>
6605 * match.pd: Allow all integral types when simplifying a
6606 widening or sign-changing conversion.
6608 2016-01-28 Sebastian Pop <s.pop@samsung.com>
6610 * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Revert assert
6611 back to setting codegen_error to fail codegen.
6613 2016-01-28 Uros Bizjak <ubizjak@gmail.com>
6616 * config/i386/constraints.md (C): Only accept constant zero operand.
6617 (BC): New constraint.
6618 * config/i386/sse.md (*mov<mode>_internal): Use BC constraint
6619 instead of C constraint.
6620 * doc/md.texi (Machine Constraints): Update description
6623 2016-01-28 Steve Ellcey <sellcey@imgtec.com>
6626 * config/mips/mips.c (and_operands_ok): Add MIPS16 check.
6628 2016-01-28 Jakub Jelinek <jakub@redhat.com>
6631 * lra-remat.c (calculate_local_reg_remat_bb_data): Only consider
6634 2016-01-28 Pat Haugen <pthaugen@us.ibm.com>
6636 * config/rs6000/rs6000.c (output_cbranch): Don't statically predict
6637 branches if using guessed profile.
6639 2016-01-28 H.J. Lu <hongjiu.lu@intel.com>
6641 * graphite-optimize-isl.c (optimize_isl): Fix dump.
6643 2016-01-28 Richard Henderson <rth@redhat.com>
6646 * config/aarch64/aarch64-modes.def (CC_Cmode): New
6647 * config/aarch64/aarch64-protos.h: Update.
6648 * config/aarch64/aarch64.c (aarch64_zero_extend_const_eq): New.
6649 (aarch64_select_cc_mode): Add check for use of CC_Cmode.
6650 (aarch64_get_condition_code_1): Handle CC_Cmode.
6651 * config/aarch64/aarch64.md (addti3): Use adddi3_compareC.
6652 (*add<mode>3_compareC_cconly_imm): New.
6653 (*add<mode>3_compareC_cconly): New.
6654 (*add<mode>3_compareC_imm): New.
6655 (add<mode>3_compareC): New.
6656 (add<mode>3_carryin, *addsi3_carryin_uxtw): Sort compare operand
6657 to be first. Use aarch64_carry_operation.
6658 (*add<mode>3_carryin_alt1, *addsi3_carryin_alt1_uxtw): Remove.
6659 (*add<mode>3_carryin_alt2, *addsi3_carryin_alt2_uxtw): Remove.
6660 (*add<mode>3_carryin_alt3, *addsi3_carryin_alt3_uxtw): Remove.
6661 (subti3): Use subdi3_compare1.
6662 (*sub<mode>3_compare0): Rename from sub<mode>3_compare0.
6663 (sub<mode>3_compare1): New.
6664 (*sub<mode>3_carryin0, *subsi3_carryin_uxtw): New.
6665 (*sub<mode>3_carryin): Use aarch64_borrow_operation.
6666 (*subsi3_carryin_uxtw): Likewise.
6667 (*ngc<mode>, *ngcsi_uxtw): Likewise.
6668 (*sub<mode>3_carryin_alt, *subsi3_carryin_alt_uxtw): New.
6669 * config/aarch64/iterators.md (DWI): New.
6670 * config/aarch64/predicates.md (aarch64_carry_operation): New.
6671 (aarch64_borrow_operation): New.
6673 2016-01-28 Abderrazek Zaafrani <a.zaafrani@samsung.com>
6675 * graphite-optimize-isl.c (optimize_isl): Print a different debug
6676 message when isl does not return a valid schedule.
6678 2016-01-28 Sebastian Pop <s.pop@samsung.com>
6680 * graphite-isl-ast-to-gimple.c (class translate_isl_ast_to_gimple):
6681 Remove comments from class declarations: they are already in the code
6684 2016-01-28 Sebastian Pop <s.pop@samsung.com>
6686 * graphite-isl-ast-to-gimple.c (binary_op_to_tree): Call
6688 (ternary_op_to_tree): Same.
6689 (unary_op_to_tree): Same.
6690 (nary_op_to_tree): Same.
6691 (gcc_expression_from_isl_expr_op): Same.
6692 (gcc_expression_from_isl_expression): Same.
6693 (graphite_create_new_loop): Same.
6694 (graphite_create_new_loop_guard): Same.
6695 (build_iv_mapping): Same.
6696 (graphite_create_new_guard): Same.
6697 (translate_isl_ast_to_gimple::copy_loop_phi_nodes): Same.
6698 (translate_isl_ast_to_gimple::translate_pending_phi_nodes): Same.
6700 2016-01-28 Sebastian Pop <s.pop@samsung.com>
6702 * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Assert
6703 instead of setting codegen_error to fail codegen.
6705 2016-01-28 Jason Merrill <jason@redhat.com>
6707 * tree.h (BINFO_FLAG_0): Rename from BINFO_MARKED.
6709 2016-01-28 Wilco Dijkstra <wdijkstr@arm.com>
6711 * config/aarch64/aarch64.c (aarch64_if_then_else_costs):
6712 Remove CONST_INT_P check in CCMP cost calculation.
6714 2016-01-28 Wilco Dijkstra <wdijkstr@arm.com>
6716 * config/aarch64/aarch64.c (generic_vector_cost):
6717 Set vec_permute_cost.
6718 (cortexa57_vector_cost): Likewise.
6719 (exynosm1_vector_cost): Likewise.
6720 (xgene1_vector_cost): Likewise.
6721 (aarch64_builtin_vectorization_cost): Use vec_permute_cost.
6722 * config/aarch64/aarch64-protos.h (cpu_vector_cost):
6723 Add vec_permute_cost entry.
6725 2016-01-28 Wilco Dijkstra <wdijkstr@arm.com>
6727 * config/aarch64/aarch64.md (ccmp<mode>): Disassemble
6729 (add<mode>3_compare0): Likewise.
6730 (addsi3_compare0_uxtw): Likewise.
6731 (add<mode>3nr_compare0): Likewise.
6732 (compare_neg<mode>): Likewise.
6733 (<optab><mode>3): Likewise.
6735 2016-01-28 Ilya Enkovich <enkovich.gnu@gmail.com>
6737 * tree-vect-stmts.c (vectorizable_comparison): Add
6738 NULL check for vectype.
6740 2016-01-28 Richard Biener <rguenther@suse.de>
6742 PR tree-optimization/69466
6743 * tree-vect-loop-manip.c (slpeel_duplicate_current_defs_from_edges):
6744 Account for PHIs we couldn't duplicate.
6746 2016-01-28 Martin Liska <mliska@suse.cz>
6749 * ggc-common.c (gt_pch_save): Use ENABLE_VALGRIND_ANNOTATIONS macro
6750 instead of ENABLE_VALGRIND_CHECKING.
6752 2016-01-27 Richard Henderson <rth@redhat.com>
6755 * lra-remat.c (subreg_regs): New.
6756 (dump_candidates_and_remat_bb_data): Dump it.
6757 (operand_to_remat): Reject if operand in subreg_regs.
6758 (set_bb_regs): Collect subreg_regs.
6759 (lra_remat): Init and free subreg_regs. Compute
6760 calculate_local_reg_remat_bb_data before create_cands.
6762 2016-01-27 H.J. Lu <hongjiu.lu@intel.com>
6765 * config/i386/i386.c (ix86_update_stack_boundary): Don't
6766 change stack_alignment_needed for __tls_get_addr call.
6768 2016-01-27 Segher Boessenkool <segher@kernel.crashing.org>
6770 * config/rs6000/rs6000.c (print_operand): Rollback 's' removal.
6772 2016-01-27 Jeff Law <law@redhat.com>
6774 PR tree-optimization/68398
6775 PR tree-optimization/69196
6776 * params.def (PARAM_FSM_SCALE_PATH_STMTS): New parameter.
6777 (PARAM_FSM_SCALE_PATH_BLOCKS): Likewise.
6778 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
6779 Only count PHIs in the last block in the path. The others will
6780 const/copy propagate away. Add heuristic to allow more irreducible
6781 subloops to be created when it is likely profitable to do so.
6783 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
6784 Fix typo in comment. Use gsi_after_labels and remove the GIMPLE_LABEL
6785 check from within the loop. Use gsi_next_nondebug rather than gsi_next.
6787 2016-01-27 Jakub Jelinek <jakub@redhat.com>
6790 * sanitizer.def: Add BEGIN_SANITIZER_BUILTINS and
6791 END_SANITIZER_BUILTINS markers using DEF_BUILTIN_STUB.
6792 * asan.c (DEF_BUILTIN_STUB): Temporarily define.
6793 * tree-streamer-in.c: Include asan.h.
6794 (streamer_get_builtin_tree): For builtins in sanitizer
6795 range call initialize_sanitizer_builtins and retry.
6797 2016-01-27 Ian Lance Taylor <iant@google.com>
6799 * common.opt (fkeep-gc-roots-live): New undocumented option.
6800 * tree-ssa-loop-ivopts.c (add_candidate_1): If
6801 -fkeep-gc-roots-live, skip pointers.
6802 (add_iv_candidate_for_biv): Handle add_candidate_1 returning
6805 2016-01-27 Uros Bizjak <ubizjak@gmail.com>
6808 * config/i386/i386.md (*zext<mode>_doubleword_and): New pattern.
6809 (*zext<mode>_doubleword): Disable for TARGET_ZERO_EXTEND_WITH_AND.
6811 2016-01-27 Thomas Klausner <wiz@NetBSD.org>
6814 * configure.ac: NetBSD provides SSP in its C library.
6815 * configure: Updated.
6817 2016-01-27 Richard Biener <rguenther@suse.de>
6819 PR tree-optimization/69166
6820 * tree-vect-loop.c (vect_is_simple_reduction): Always check
6821 reduction code for commutativity / associativity.
6823 2016-01-27 Martin Jambor <mjambor@suse.cz>
6825 PR tree-optimization/69355
6826 * tree-sra.c (analyze_access_subtree): Correct hole detection when
6827 total_scalarization fails.
6829 2016-01-27 David Edelsohn <dje.gcc@gmail.com>
6831 * config/rs6000/driver-rs6000.c (detect_processor_aix): Add
6834 2016-01-27 Christian Bruel <christian.bruel@st.com>
6837 * config/arm/arm-c.c (arm_pragma_target_parse): Add comments.
6838 Move arm_reset_previous_fndecl and set_target_option_current_node in
6839 the conditional part. Call save_restore_target_globals.
6840 * config/arm/arm.c (arm_set_current_function):
6841 Refactor to better support #pragma target and attribute mix.
6842 Call save_restore_target_globals.
6843 * config/arm/arm-protos.h (save_restore_target_globals): New function.
6845 2016-01-27 Martin Liska <mliska@suse.cz>
6847 * hsa.c (hsa_summary_t::link_functions): Create IPA_REF_ADDR
6848 reference for an HSA kernel and its host function.
6850 2016-01-27 Jakub Jelinek <jakub@redhat.com>
6852 PR tree-optimization/69399
6853 * wide-int.h (wi::lrshift): For larger precisions, only
6854 use fast path if shift is known to be < HOST_BITS_PER_WIDE_INT.
6856 2016-01-27 Claudiu Zissulescu <claziss@synopsys.com>
6858 * config/arc/predicates.md (proper_comparison_operator): Reject
6859 constant-constant comparison.
6861 2016-01-26 Tom de Vries <tom@codesourcery.com>
6863 PR tree-optimization/69110
6864 * tree-data-ref.c (initialize_data_dependence_relation): Handle
6865 DR_NUM_DIMENSIONS == 0.
6867 2016-01-26 Abderrazek Zaafrani <a.zaafrani@samsung.com>
6868 Sebastian Pop <s.pop@samsung.com>
6870 * graphite-isl-ast-to-gimple.c (ternary_op_to_tree): Handle
6871 isl_ast_op_cond and isl_ast_op_select.
6872 (gcc_expression_from_isl_expr_op): Same.
6874 2016-01-26 Jason Merrill <jason@redhat.com>
6877 * tree.c (recompute_constructor_flags): Split out from
6879 (verify_constructor_flags): New.
6880 * tree.h: Declare them.
6882 2016-01-26 Iain Buclaw <ibuclaw@gdcproject.org>
6884 PR rtl-optimization/69217
6885 * var-tracking.c (tracked_record_parameter_p): Don't segfault if there
6886 are no TYPE_FIELDS set for the record type.
6888 2016-01-26 Jakub Jelinek <jakub@redhat.com>
6891 * config/rs6000/rs6000.c (rs6000_option_override_internal): Initialize
6892 toc_label_name unconditionally.
6893 (rs6000_emit_load_toc_table): Call ggc_strdup on toc_label_name for
6894 SYMBOL_REF string. Use toc_label_name instead of constructing
6896 (rs6000_elf_declare_function_name): Use toc_label_name instead of
6897 constructing LCTOC1.
6899 2016-01-26 Martin Sebor <msebor@redhat.com>
6902 * doc/extend.texi (Common Type Attributes): Move text that talks about
6903 attribute packed from attribute aligned to the section discussing
6904 the former attribute for clarity.
6906 2016-01-26 Richard Henderson <rth@redhat.com>
6909 * trans-mem.c (tm_region_init): Mark entry block as visited.
6911 2016-01-26 David Malcolm <dmalcolm@redhat.com>
6914 * diagnostic-show-locus.c (layout::print_source_line): Replace
6915 call to pp_newline with call to layout::print_newline.
6916 (layout::print_annotation_line): Likewise.
6917 (layout::move_to_column): Likewise.
6918 (layout::print_any_fixits): After printing any fixits, print a
6919 trailing newline, if necessary.
6920 (layout::print_newline): New method, resetting any colorization
6922 (diagnostic_show_locus): Move the pp_newline to before the
6923 early bailout. Remove dummy block enclosing the layout instance.
6924 * diagnostic.c (default_diagnostic_finalizer): Replace invocation
6925 of pp_newline_and_flush with pp_flush.
6926 (diagnostic_append_note): Delete use of pp_newline.
6927 (diagnostic_append_note_at_rich_loc): Delete.
6928 * diagnostic.h (diagnostic_append_note_at_rich_loc): Delete.
6929 * pretty-print.h (output_buffer_append_r): Reset buff->line_length
6930 when newline characters are added to the buffer.
6932 2016-01-26 Michael Matz <matz@suse.de>
6934 * configure.ac (ac_cv_std_swap_in_utility): New test.
6935 * system.h (<algorithm>): Check HAVE_SWAP_IN_UTILITY as well.
6936 * configure: Regenerate.
6937 * config.in: Regenerate.
6939 2016-01-26 Claudiu Zissulescu <claziss@synopsys.com>
6941 * config/arc/arc.md (cstoresi4): Force operand into register.
6942 (arcset<code>): Fix predicate.
6943 (arcsetltu): Likewise.
6944 (arcsetgeu): Likewise.
6945 (arcsethi): Likewise.
6946 (arcsetls): Likewise.
6948 2016-01-26 Jakub Jelinek <jakub@redhat.com>
6950 PR tree-optimization/69483
6951 * gimple-fold.c (canonicalize_constructor_val): Return NULL
6952 if base has error_mark_node type.
6954 2016-01-26 Christophe Lyon <christophe.lyon@linaro.org>
6957 * config/arm/arm.c (neon_valid_immediate): Handle FP16 vectors.
6958 * config/arm/arm_neon.h (__ARM_NUM_LANES, __arm_lane, arm_lanq):
6960 (vget_lane_f16): Handle big-endian.
6961 (vgetq_lane_f16): Likewise.
6962 (vset_lane_f16): Likewise.
6963 (vsetq_lane_f16): Likewise.
6964 * config/arm/iterators.md (VQXMOV): Add V8HF.
6965 (VDQ): Add V4HF and V8HF.
6966 (V_reg): Handle V4HF and V8HF.
6967 (Is_float_mode): Likewise.
6968 * config/arm/neon.md (movv4hf, movv8hf, neon_vdup_nv4hf,
6969 neon_vdup_nv8hf): New patterns.
6970 (vec_set<mode>_internal, vec_extract<mode>, neon_vld1_dup<mode>):
6971 Use VD_LANE iterator.
6972 (neon_vld1_dup<mode>): Use VQ2 iterator.
6974 2016-01-26 Nathan Sidwell <nathan@acm.org>
6976 * omp-low.h (oacc_fn_attrib_kernels_p): Declare.
6977 (set_oacc_fn_attrib): Add IS_KERNEL arg.
6978 * omp-low.c (set_oacc_fn_attrib): Add IS_KERNEL arg.
6979 (oacc_fn_attrib_kernels_p, oacc_fn_attrib_level): New.
6980 (expand_omp_target): Pass is_kernel to set_oacc_fn_attrib.
6981 (oacc_validate_dims): Add LEVEL arg, don't return level.
6982 (new_oacc_loop_routine): Use oacc_fn_attrib_level, not
6984 (execute_oacc_device_lower): Adjust, add more dump output.
6985 * tree-ssa-loop.c (gate_oacc_kernels): Use
6986 oacc_fn_attrib_kernels_p.
6987 * tree-parloops.c (create_parallel_loop): Adjust
6988 set_oacc_fn_attrib call.
6990 2016-01-26 Jakub Jelinek <jakub@redhat.com>
6993 * lto-wrapper.c (merge_and_complain): Handle -fcilkplus.
6994 (append_compiler_options): Handle -fcilkplus.
6995 (append_linker_options): Ignore -fno-{openmp,openacc,cilkplus}.
6997 2016-01-26 Nick Clifton <nickc@redhat.com>
7000 * config/i386/winnt.c (i386_pe_binds_local_p): If a function has
7001 been marked as DECL_ONE_ONLY but we do not the means to make it
7002 so, then do not allow it to bind locally.
7004 2016-01-26 Jakub Jelinek <jakub@redhat.com>
7007 * opts.h (parse_sanitizer_options): New prototype.
7008 * opts.c (sanitizer_opts): New array.
7009 (parse_sanitizer_options): New function.
7010 (common_handle_option): Use parse_sanitizer_options.
7012 2016-01-26 H.J. Lu <hongjiu.lu@intel.com>
7015 * config/i386/i386.c (ix86_compute_frame_layout): Move stack
7016 alignment adjustment to ...
7017 (ix86_update_stack_boundary): Here. Don't over-align stack for
7019 (ix86_finalize_stack_realign_flags): Use stack_alignment_needed
7020 if __tls_get_addr is called.
7022 2016-01-26 Christian Bruel <christian.bruel@st.com>
7024 * doc/sourcebuild.texi (arm_crypto_pragma_ok): Remove.
7026 2016-01-26 Eric Botcazou <ebotcazou@adacore.com>
7028 * config/ia64/ia64.c (ia64_expand_vecint_compare): Use gen_int_mode.
7030 2016-01-26 Richard Biener <rguenther@suse.de>
7033 * match.pd: Guard X * CST CMP 0 pattern with single_use.
7035 2016-01-26 Richard Biener <rguenther@suse.de>
7037 PR tree-optimization/69452
7038 * tree-ssa-loop-im.c (move_computations_dom_walker): Remove.
7039 (move_computations_dom_walker::before_dom_children): Rename
7041 (move_computations_worker): This.
7042 (move_computations): Perform an RPO rather than a DOM walk.
7044 2016-01-26 Jakub Jelinek <jakub@redhat.com>
7047 * combine.c (combine_instructions): For REG_EQUAL note with
7048 SET_DEST being ZERO_EXTRACT, also temporarily set SET_DEST
7049 to the underlying register.
7050 * doc/rtl.texi (REG_EQUAL): Document the behavior of
7051 REG_EQUAL/REG_EQUIV notes if SET_DEST is ZERO_EXTRACT.
7053 2016-01-26 Roger Ferrer Ibáñez <rofirrim@gmail.com>
7056 * config/aarch64/aarch64-builtins.c
7057 (aarch64_init_simd_builtin_types): Do not set structural
7058 equality to __Poly{8,16,64,128}_t types.
7060 2016-01-26 Richard Sandiford <richard.sandiford@arm.com>
7062 PR tree-optimization/69400
7063 * wide-int.cc (wi_pack): Take the precision as argument and
7064 perform canonicalization here rather than in the callers.
7065 Use the main loop to handle all full-width HWIs. Add a
7066 zero HWI if in_len isn't a full result.
7067 (wi::divmod_internal): Update accordingly.
7068 (wi::mul_internal): Likewise. Simplify.
7070 2016-01-25 Aditya Kumar <aditya.k7@samsung.com>
7071 Sebastian Pop <s.pop@samsung.com>
7073 * graphite-poly.c (apply_poly_transforms): Simplify.
7074 (print_isl_set): Use more readable format: ISL_YAML_STYLE_BLOCK.
7075 (print_isl_map): Same.
7076 (print_isl_union_map): Same.
7077 (print_isl_schedule): New.
7078 (debug_isl_schedule): New.
7079 * graphite-dependences.c (scop_get_reads): Do not call
7080 isl_union_map_add_map that is undocumented isl functionality.
7081 (scop_get_must_writes): Same.
7082 (scop_get_may_writes): Same.
7083 (scop_get_original_schedule): Remove.
7084 (scop_get_dependences): Do not call isl_union_map_compute_flow that
7085 is deprecated in isl 0.15. Instead, use isl_union_access_* interface.
7086 (compute_deps): Remove.
7087 * graphite-isl-ast-to-gimple.c (print_schedule_ast): New.
7088 (debug_schedule_ast): New.
7089 (translate_isl_ast_to_gimple::scop_to_isl_ast): Call
7090 set_separate_option.
7091 (graphite_regenerate_ast_isl): Add dump.
7092 (translate_isl_ast_to_gimple::scop_to_isl_ast): Generate code
7093 from scop->transformed_schedule.
7094 (graphite_regenerate_ast_isl): Add more dump.
7095 * graphite-optimize-isl.c (optimize_isl): Set
7096 scop->transformed_schedule. Check whether schedules are equal.
7097 (apply_poly_transforms): Move here.
7098 * graphite-poly.c (apply_poly_transforms): ... from here.
7099 (free_poly_bb): Static.
7100 (free_scop): Static.
7101 (pbb_number_of_iterations_at_time): Remove.
7102 (print_isl_ast): New.
7103 (debug_isl_ast): New.
7104 (debug_scop_pbb): New.
7105 * graphite-scop-detection.c (print_edge): Move.
7107 * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Remove.
7108 (build_scop_scattering): Remove.
7109 (create_pw_aff_from_tree): Assert instead of bailing out.
7110 (add_condition_to_pbb): Remove unused code, do not fail.
7111 (add_conditions_to_domain): Same.
7112 (add_conditions_to_constraints): Remove.
7113 (build_scop_context): New.
7114 (add_iter_domain_dimension): New.
7115 (build_iteration_domains): Initialize pbb->iterators.
7116 Call add_conditions_to_domain.
7119 (index_outermost_in_loop): New.
7120 (index_pbb_in_loop): New.
7121 (outermost_pbb_in): New.
7122 (add_in_sequence): New.
7123 (add_outer_projection): New.
7124 (outer_projection_mupa): New.
7125 (add_loop_schedule): New.
7126 (build_schedule_pbb): New.
7127 (build_schedule_loop): New.
7128 (embed_in_surrounding_loops): New.
7129 (build_schedule_loop_nest): New.
7130 (build_original_schedule): New.
7131 (build_poly_scop): Call build_original_schedule.
7132 * graphite.h: Declare print_isl_schedule and debug_isl_schedule.
7133 (free_poly_dr): Remove.
7134 (struct poly_bb): Add iterators. Remove schedule, transformed, saved.
7135 (free_poly_bb): Remove.
7136 (debug_loop_vec): Remove.
7137 (print_isl_ast): Declare.
7138 (debug_isl_ast): Declare.
7139 (scop_do_interchange): Remove.
7140 (scop_do_strip_mine): Remove.
7141 (scop_do_block): Remove.
7142 (flatten_all_loops): Remove.
7143 (optimize_isl): Remove.
7144 (pbb_number_of_iterations_at_time): Remove.
7145 (debug_scop_pbb): Declare.
7146 (print_schedule_ast): Declare.
7147 (debug_schedule_ast): Declare.
7148 (struct scop): Remove schedule. Add original_schedule,
7149 transformed_schedule.
7150 (free_gimple_poly_bb): Remove.
7151 (print_generated_program): Remove.
7152 (debug_generated_program): Remove.
7153 (unify_scattering_dimensions): Remove.
7154 * sese.c (print_edge): ... here.
7155 (print_sese): ... here.
7156 (debug_edge): ... here.
7157 (debug_sese): ... here.
7158 * sese.h (print_edge): Declare.
7159 (print_sese): Declare.
7160 (dump_edge): Declare.
7161 (dump_sese): Declare.
7163 2016-01-25 Aditya Kumar <aditya.k7@samsung.com>
7164 Sebastian Pop <s.pop@samsung.com>
7166 * Makefile.in: Set ISLVER in site.exp.
7168 2016-01-25 Jakub Jelinek <jakub@redhat.com>
7170 * omp-low.c (lower_omp_target) <case USE_DEVICE_PTR>: Set
7171 DECL_VALUE_EXPR of new_var even for the non-array case. Look
7172 through DECL_VALUE_EXPR for expansion.
7174 2016-01-25 Bernd Edlinger <bernd.edlinger@hotmail.de>
7176 * config/mips/mips.c (mips_compute_frame_info): Skip re-computing
7177 the frame info after reload completed.
7179 2016-01-25 Jeff Law <law@redhat.com>
7181 PR tree-optimization/69196
7182 PR tree-optimization/68398
7183 * tree-ssa-threadupdate.h (enum bb_dom_status): Moved here from
7184 tree-ssa-threadupdate.c.
7185 (determine_bb_domination_status): Prototype
7186 * tree-ssa-threadupdate.c (enum bb_dom_status): Remove
7187 (determine_bb_domination_status): No longer static.
7188 (valid_jump_thread_path): Remove code to detect characteristics
7189 of the jump thread path not associated with correctness.
7190 * tree-ssa-threadbackward.c (fsm_find_control_statment_thread_paths):
7191 Correct test for thread path length. Count PHIs for real operands as
7192 statements that need to be copied. Do not count ASSERT_EXPRs.
7193 Look at all the blocks in the thread path. Compute and selectively
7194 filter thread paths based on threading through the latch, threading
7195 a multiway branch or crossing a multiway branch.
7197 2016-01-25 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
7199 * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled): Add
7200 decl with __attribute__ ((unused)) annotation.
7202 2016-01-25 Ilya Enkovich <enkovich.gnu@gmail.com>
7205 * tree-vect-stmts.c (vectorizable_condition): Check vectype
7206 of operands is compatible with a statement vectype.
7208 2016-01-25 Eric Botcazou <ebotcazou@adacore.com>
7210 * doc/extend.texi (scalar_storage_order type attribute): Fix typo and
7211 improve wording for mixed storage order support.
7213 2016-01-25 Bilyan Borisov <bilyan.borisov@arm.com>
7215 * config/aarch64/arm_neon.h (vcvt_s64_f64): New intrinsic.
7216 (vcvt_u64_f64): Likewise.
7217 (vcvta_s64_f64): Likewise.
7218 (vcvta_u64_f64): Likewise.
7219 (vcvtm_s64_f64): Likewise.
7220 (vcvtm_u64_f64): Likewise.
7221 (vcvtn_s64_f64): Likewise.
7222 (vcvtn_u64_f64): Likewise.
7223 (vcvtp_s64_f64): Likewise.
7224 (vcvtp_u64_f64): Likewise.
7226 2016-01-25 Claudiu Zissulescu <claziss@synopsys.com>
7228 * config/arc/arc.c (TARGET_DWARF_REGISTER_SPAN): Define.
7229 (arc_init): Check validity mll64 option.
7230 (arc_save_restore): Use double load/store instruction.
7231 (arc_expand_movmem): Likewise.
7232 (arc_split_move): Don't split if we have double load/store
7233 instructions. Returns a boolean.
7234 (arc_process_double_reg_moves): Change function to return boolean
7235 instead of a sequence of instructions.
7236 (arc_dwarf_register_span): New function.
7237 * config/arc/arc-protos.h (arc_split_move): Change prototype.
7238 * config/arc/arc.h (TARGET_CPU_CPP_BUILTINS): Define __ARC_LL64__.
7239 * config/arc/arc.md (*movdi_insn): Emit ldd/std instructions.
7240 (*movdf_insn): Likewise.
7241 * config/arc/arc.opt (mll64): New option.
7242 * config/arc/predicates.md (even_register_operand): New predicate.
7243 * doc/invoke.texi (ARC Options): Add mll64 documentation.
7245 2016-01-25 Richard Biener <rguenther@suse.de>
7248 * dwarf2out.c (is_naming_typedef_decl): Not when DECL_NAMELESS.
7249 * tree-streamer-out.c (pack_ts_base_value_fields): Stream
7251 * tree-streamer-in.c (unpack_ts_base_value_fields): Likewise.
7253 2016-01-25 Richard Biener <rguenther@suse.de>
7255 PR tree-optimization/69376
7256 * tree-ssa-sccvn.h (struct vn_ssa_aux): Add range_info_anti_range_p
7258 (VN_INFO_ANTI_RANGE_P): New inline.
7259 (VN_INFO_RANGE_TYPE): Likewise.
7260 * tree-ssa-sccvn.c (set_ssa_val_to): Also record and copy
7261 SSA_NAME_ANTI_RANGE_P.
7262 (free_scc_vn): Restore SSA_NAME_ANTI_RANGE_P.
7263 * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
7264 Properly query VN_INFO_RANGE_TYPE.
7266 2016-01-25 Nick Clifton <nickc@redhat.com>
7269 * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Remove definition.
7271 2016-01-23 Tom de Vries <tom@codesourcery.com>
7273 PR tree-optimization/69426
7274 * tree-parloops.c (eliminate_local_variables_stmt): Handle vdef of
7277 2016-01-23 Jakub Jelinek <jakub@redhat.com>
7279 * tree-ssanames.c (release_free_names_and_compact_live_names): Replace
7280 "the the" with "the" in the comments.
7281 * ipa-devirt.c (build_type_inheritance_graph,
7282 update_type_inheritance_graph): Likewise.
7283 * tree.c (build_function_type_list_1): Likewise.
7284 * cfgloopmanip.c (scale_loop_profile): Likewise.
7285 * tree-ssa-loop-ivopts.c (get_shiftadd_cost): Likewise.
7286 * gimple-ssa-split-paths.c
7287 (find_block_to_duplicate_for_splitting_paths): Likewise.
7288 * tree-sra.c (init_subtree_with_zero, clobber_subtree): Likewise.
7289 * expr.c (convert_move): Likewise.
7290 * var-tracking.c (vt_stack_adjustments): Likewise.
7291 * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Likewise.
7292 * tree-vrp.c (test_for_singularity): Likewise.
7294 * tree-vect-stmts.c (vectorizable_condition): Build a VEC_COND_EXPR
7295 directly instead of building a temporary tree.
7298 * genrecog.c: Define INCLUDE_ALGORITHM before including system.h,
7299 remove <algorithm> include.
7301 2016-01-22 Jakub Jelinek <jakub@redhat.com>
7304 * config/i386/i386.c: Include dojump.h.
7305 (expand_small_movmem_or_setmem,
7306 expand_set_or_movmem_prologue_epilogue_by_misaligned_moves): Spelling
7308 (ix86_expand_set_or_movmem): Call do_pending_stack_adjust () early
7309 if dynamic_check != -1.
7311 2016-01-21 Jeff Law <law@redhat.com>
7314 * tree-ssa-dom.c (back_propagate_equivalences): Factored out of
7315 record_temporary_equivalences. Rewritten to avoid unnecessary calls
7316 into dominated_by_p.
7317 (cprop_into_successor_phis): Avoid unnecessary tests.
7319 2016-01-22 Richard Henderson <rth@redhat.com>
7322 * config/aarch64/aarch64.md (UNSPEC_NZCV): New.
7323 (ccmp<mode>, fccmp<mode>, fccmpe<mode>): Use it.
7325 2016-01-22 Michael Matz <matz@suse.de>
7327 * system.h (string, algorithm): Include only conditionally.
7328 (new): Include always under C++.
7329 * bb-reorder.c (toplevel): Define INCLUDE_ALGORITHM.
7330 * final.c (toplevel): Ditto.
7331 * ipa-chkp.c (toplevel): Define INCLUDE_STRING.
7332 * genconditions.c (write_header): Make gencondmd.c define
7334 * mem-stats.h (mem_usage::print_dash_line): Don't use std::string.
7336 * config/aarch64/aarch64.c (toplevel): Define INCLUDE_STRING.
7337 * common/config/aarch64/aarch64-common.c (toplevel): Ditto.
7339 2016-01-22 Christian Bruel <christian.bruel@st.com>
7342 * expr.c (expand_expr_real_1): Reset DECL_MODE if VECTOR_TYPE_P changed.
7344 2016-01-22 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
7347 * config/arm/thumb2.md (*thumb2_ior_scc_strict_it): Convert to
7348 define_insn_and_split. Ensure operands[1] and operands[0] do not
7349 get assigned the same register.
7351 2016-01-22 Kugan Vivekanandarajah <kuganv@linaro.org>
7353 * ipa-prop.c (ipa_set_jf_constant): Remove redundant unshare_expr.
7355 2016-01-22 Christian Bruel <christian.bruel@st.com>
7357 * config/arm/arm-c.c (arm_pragma_target_parse):
7358 Remove warn_builtin_macro_redefined overwrite.
7360 2016-01-22 Eric Botcazou <ebotcazou@adacore.com>
7362 * ipa-inline.c (can_inline_edge_p): Back out overzealous check on
7363 flag_non_call_exceptions compatibility.
7365 2016-01-22 Jakub Jelinek <jakub@redhat.com>
7368 * dwarf2out.c (add_child_die_after): New function.
7369 (dwarf_qual_info_t): New type.
7370 (dwarf_qual_info): New variable.
7371 (qualified_die_p): New function.
7372 (modified_type_die): For -fdebug-types-section, ensure
7373 canonical order of qualifiers. Put qualified DIEs adjacent
7374 to the corresponding non-qualified type DIE and search there
7375 for existing qualified DIEs.
7377 2016-01-22 Eric Botcazou <ebotcazou@adacore.com>
7379 * doc/extend.texi (scalar_storage_order type attribute): Document
7380 restriction on type punning and aliasing, and remove future tense.
7382 2016-01-21 Roman Zhuykov <zhroma@ispras.ru>
7385 * modulo-sched.c (optimize_sc): Allow branch-scheduling to add a new
7388 2016-01-21 Jeff Law <law@redhat.com>
7391 * tree-ssa-dom.c (dom_opt_dom_walker::thread_across_edge): Avoid
7392 useless call to record_temporary_equivalences.
7393 * tree-ssa-threadbackward.c (find_jump_threads_backwards): Just
7394 allocate 10 slots in the bb_path vector and let it grow as needed.
7395 (fsm_find_control_statement_thread_paths): Similarly for the next_path
7398 2016-01-21 David Edelsohn <dje.gcc@gmail.com>
7400 * configure.ac (gcc_cv_as_powerpc_mfcrf, gcc_cv_as_machine_directive):
7402 * configure: Regenerate.
7404 2016-01-21 Pat Haugen <pthaugen@us.ibm.com>
7406 * config/rs6000/aix71.h (ASM_CPU_SPEC): Add entry for Power9.
7407 * config/rs6000/driver-rs6000.c (struct asm_names): Likewise.
7409 2016-01-21 Bernd Schmidt <bschmidt@redhat.com>
7412 * expr.c (expand_expr_real_2) [PLUS_EXPR, MINUS_EXPR]: Don't
7413 drop EXPAND_INITIALIZER.
7414 * rtl.h (contains_symbolic_reference_p): Declare.
7415 * rtlanal.c (contains_symbolic_reference_p): New function.
7416 * simplify-rtx.c (simplify_binary_operation_1): Don't turn
7417 a subtraction into a NOT if symbolic constants are involved.
7419 2016-01-21 Anton Blanchard <anton@samba.org>
7420 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
7423 * config/rs6000/linux64.h (TARGET_KEEP_LEAF_WHEN_PROFILED): New
7425 * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled): New
7428 2016-01-21 Ajit Agarwal <ajitkum@xilinx.com>
7430 * config/microblaze/microblaze.c
7431 (get_branch_target): New.
7432 (insert_wic_for_ilb_runout): New.
7434 (microblaze_machine_dependent_reorg): New.
7435 (TARGET_MACHINE_DEPENDENT_REORG): Define macro.
7436 * config/microblaze/microblaze.md
7437 (UNSPEC_IPREFETCH): Define.
7438 (iprefetch): New pattern
7439 * config/microblaze/microblaze.opt
7440 (mxl-prefetch): New flag.
7442 2016-01-21 Ajit Agarwal <ajitkum@xilinx.com>
7444 * config/microblaze/microblaze.h
7445 (FIXED_REGISTERS): Update in macro.
7446 (CALL_USED_REGISTERS): Update in macro.
7448 2016-01-21 Yuri Rumyantsev <ysrumyan@gmail.com>
7450 PR rtl-optimization/68920
7451 * ifcvt.c (cond_move_process_if_block): Limit number of conditional
7454 2016-01-21 Vladimir Makarov <vmakarov@redhat.com>
7456 PR rtl-optimization/68990
7457 * lra-coalesce.c (lra_coalesce): Invalidate value for the result
7458 pseudo instead of inheritance ones.
7460 2016-01-21 Bernd Edlinger <bernd.edlinger@hotmail.de>
7461 Nick Clifton <nickc@redhat.com>
7465 * config/mips/mips.c (mips_compute_frame_info): Initialise
7466 args_size and hard_frame_pointer_offset fields of the frame
7467 structure before calling mips_global_pointer.
7469 2016-01-21 David Edelsohn <dje.gcc@gmail.com>
7471 * configure.ac (gcc_cv_as_dwloc): Test support for debug frame section
7473 * configure: Regenerate.
7475 2016-01-21 Richard Biener <rguenther@suse.de>
7477 * graphite-optimize-isl.c (get_schedule_map): Fix typo.
7479 2016-01-21 Marcin Kościelnicki <koriakin@0x04.net>
7481 * config/s390/s390.c (s390_asm_declare_function_size): Add code
7482 to actually emit the .size directive.
7484 2016-01-21 Stefan Sørensen <stefan.sorensen@spectralink.com>
7485 Jakub Jelinek <jakub@redhat.com>
7489 * config/arm/arm-builtins.c (arm_expand_neon_builtin): Increase
7490 args array size by one to avoid buffer overflow.
7492 2016-01-21 Marcin Kościelnicki <koriakin@0x04.net>
7494 * config/s390/s390.md (pool_section_start): Use switch_to_section
7495 to select proper read-only data section instead of hardcoding
7497 (pool_section_end): Use switch_to_section to match the above.
7499 2016-01-21 Richard Biener <rguenther@suse.de>
7501 PR tree-optimization/69378
7502 * tree-ssa-sccvn.c (dominated_by_p_w_unex): New function.
7503 (set_ssa_val_to): Use it for dominance checks taking into
7504 account not executable edges.
7506 2016-01-21 Jakub Jelinek <jakub@redhat.com>
7509 * tree-dfa.c (get_ref_base_and_extent): Use GET_MODE_BITSIZE (mode)
7510 for bitsize instead of GET_MODE_PRECISION (mode).
7512 2016-01-20 Martin Sebor <msebor@redhat.com>
7515 * extend.texi (__sync Builtins): Clarify the semantics of
7516 __sync_fetch_and_OP built-ins on pointers.
7517 (__atomic Builtins): Same.
7519 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
7520 Sebastian Pop <s.pop@samsung.com>
7522 * graphite-isl-ast-to-gimple.c (enum phi_node_kind): New.
7523 (class translate_isl_ast_to_gimple): Use phi_node_kind instead of bool.
7524 (is_valid_rename): Same.
7525 (translate_isl_ast_to_gimple::get_rename): Same.
7526 (translate_isl_ast_to_gimple::rename_all_uses): Same.
7527 (translate_isl_ast_to_gimple::rename_uses): Same.
7528 (get_new_name): Check for close_phi nodes.
7529 (copy_loop_phi_args): Use phi_node_kind.
7530 (translate_isl_ast_to_gimple::copy_loop_close_phi_args): Same.
7531 (translate_isl_ast_to_gimple::copy_cond_phi_args): Same.
7533 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
7534 Sebastian Pop <s.pop@samsung.com>
7536 Revert commit r229783.
7537 * graphite-isl-ast-to-gimple.c (gcc_expression_from_isl_ast_expr_id):
7538 Remove use of parameter_rename_map.
7540 (copy_internal_parameters): Remove.
7541 (graphite_regenerate_ast_isl): Remove call to copy_internal_parameters.
7542 * sese.c (new_sese_info): Do not initialize parameter_rename_map.
7543 (free_sese_info): Do not free parameter_rename_map.
7544 (set_rename): Do not use parameter_rename_map.
7545 (rename_uses): Update call to set_rename.
7546 (graphite_copy_stmts_from_block): Do not use parameter_rename_map.
7547 * sese.h (parameter_rename_map_t): Remove.
7548 (struct sese_info_t): Remove field parameter_rename_map.
7550 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
7551 Sebastian Pop <s.pop@samsung.com>
7553 * graphite-isl-ast-to-gimple.c: Fix comment.
7554 * graphite-scop-detection.c (defined_in_loop_p): New.
7555 (canonicalize_loop_closed_ssa): Do not add close phi nodes for SSA
7556 names defined in loop.
7558 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
7559 Sebastian Pop <s.pop@samsung.com>
7561 * graphite-scop-detection.c (scop_detection::harmful_loop_in_region):
7562 Discard unstructured if-then-else regions.
7564 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
7565 Sebastian Pop <s.pop@samsung.com>
7567 * graphite-sese-to-poly.c (set_scop_parameter_dim): Remove.
7568 (cleanup_loop_iter_dom): Remove.
7569 (build_loop_iteration_domains): Remove.
7570 (build_scop_context): Remove.
7571 (build_scop_iteration_domain): Remove.
7572 (add_loop_constraints): New.
7573 (build_iteration_domains): New.
7574 (build_poly_scop): Call build_iteration_domains.
7576 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
7577 Sebastian Pop <s.pop@samsung.com>
7579 * graphite-scop-detection.c
7580 (scop_detection::harmful_loop_in_region): Free dom and loops.
7581 (scop_detection::loop_body_is_valid_scop): Free bbs.
7583 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
7584 Sebastian Pop <s.pop@samsung.com>
7586 * graphite-scop-detection.c (record_loop_in_sese): New.
7587 (gather_bbs::before_dom_children): Call record_loop_in_sese.
7588 (build_scops): Remove call to build_sese_loop_nests.
7589 * sese.c (sese_record_loop): Remove.
7590 (build_sese_loop_nests): Remove.
7591 (new_sese_info): Remove region->loops.
7592 (free_sese_info): Same.
7593 * sese.h (sese_contains_loop): Same.
7594 (build_sese_loop_nests): Remove.
7595 (sese_contains_loop): Remove.
7597 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
7598 Sebastian Pop <s.pop@samsung.com>
7600 * graphite-scop-detection.c (loop_is_valid_scop): Renamed
7601 loop_is_valid_in_scop.
7602 (scop_detection::harmful_stmt_in_region): Renamed
7603 harmful_loop_in_region.
7604 Call loop_is_valid_in_scop.
7606 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
7607 Sebastian Pop <s.pop@samsung.com>
7609 * graphite-isl-ast-to-gimple.c (translate_isl_ast): Also handle
7612 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
7613 Sebastian Pop <s.pop@samsung.com>
7615 * graphite-poly.c (new_poly_bb): Remove use of PBB_IS_REDUCTION.
7616 * graphite.h (struct poly_bb): Remove field is_reduction.
7617 (PBB_IS_REDUCTION): Remove.
7619 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
7620 Sebastian Pop <s.pop@samsung.com>
7622 * graphite-dependences.c (constrain_domain): Add call to isl_*_coalesce.
7623 (add_pdr_constraints): Same.
7624 (scop_get_reads): Same.
7625 (scop_get_must_writes): Same.
7626 (scop_get_may_writes): Same.
7627 (scop_get_original_schedule): Same.
7628 (extend_schedule): Same.
7629 (apply_schedule_on_deps): Same.
7630 (carries_deps): Same.
7631 (compute_deps): Same.
7632 (scop_get_dependences): Same.
7633 * graphite-isl-ast-to-gimple.c
7634 (translate_isl_ast_to_gimple::generate_isl_schedule): Same.
7635 * graphite-optimize-isl.c (get_schedule_for_band): Same.
7636 (get_schedule_for_band_list): Same.
7637 (get_schedule_map): Same.
7638 (apply_schedule_map_to_scop): Same.
7639 * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
7640 (build_loop_iteration_domains): Same.
7641 (add_condition_to_pbb): Same.
7642 (add_param_constraints): Same.
7643 (pdr_add_memory_accesses): Same.
7644 (pdr_add_data_dimensions): Same.
7646 2016-01-20 Sandra Loosemore <sandra@codesourcery.com>
7648 * doc/invoke.texi (Instrumentation Options): Clarify -mmpx linking
7651 2016-01-20 Sandra Loosemore <sandra@codesourcery.com>
7653 * common.opt (feliminate-dwarf2-dups): Replace references to
7654 "DWARF 2" with just "DWARF".
7655 * config/ia64/ia64.opt (mdwarf2-asm): Likewise.
7656 * doc/extend.texi: Likewise.
7657 * doc/cpp.texi: Likewise.
7658 * doc/invoke.texi: Likewise.
7659 (Option Summary): Add -gdwarf to list of Debugging Options.
7660 (Debugging Options): Document -gdwarf.
7661 * doc/contrib.texi: Spell "DWARF" like that.
7663 2016-01-21 Jakub Jelinek <jakub@redhat.com>
7665 * omp-low.c (expand_omp_target): Avoid -Wmaybe-uninitialized
7666 warning. Fix up formatting.
7669 * gimplify.c (gimplify_asm_expr): Warn if it is too late to
7670 attempt to mark memory input operand addressable and
7671 call prepare_gimple_addressable in that case. Don't adjust
7672 input_location for diagnostics, use error_at instead.
7674 2016-01-20 Peter Bergner <bergner@vnet.ibm.com>
7676 * config/rs6000/ppc-auxv.h: New file.
7677 * config/rs6000/rs6000-builtin.def (cpu_init): Add new builtin.
7679 (cpu_supports): Likewise.
7680 * config/rs6000/rs6000.c: include "ppc-auxv.h".
7681 (cpu_is_info): New variable.
7682 (cpu_supports_info): Likewise.
7683 (tcb_verification_symbol): Likewise.
7684 (cpu_builtin_p): Likewise.
7685 (cpu_expand_builtin): New function.
7686 (rs6000_expand_ternop_builtin): Add support for CPU builtin functions.
7687 (rs6000_init_builtins): Likewise.
7688 (rs6000_elf_file_end): Emit HWCAP in TCB verification symbol.
7689 * config/rs6000/rs6000.h (TLS_REGNUM): New define.
7690 * configure.ac (gcc_cv_libc_provides_hwcap_in_tcb): New test.
7691 * configure: Regenerate.
7692 * config.in: Likewise.
7693 * doc/extend.texi (PowerPC Built-in Functions): Document
7694 __builtin_cpu_init, __builtin_cpu_is and __builtin_cpu_supports.
7696 2016-01-20 David Edelsohn <dje.gcc@gmail.com>
7699 * config/rs6000/rs6000.c (rs6000_emit_swsqrt): Add vector sqrt
7701 * config/rs6000/vector.md (sqrt<mode>2): Call rs6000_emit_swsqrt
7704 2016-01-20 Richard Henderson <rth@redhat.com>
7710 * tree.c (tm_define_builtin): New.
7711 (find_tm_vector_type): New.
7712 (build_tm_vector_builtins): New.
7713 (build_common_builtin_nodes): Call it.
7715 2016-01-20 Christophe Lyon <christophe.lyon@linaro.org>
7717 * doc/sourcebuild.texi (arm_crypto_pragma_ok): Document new entry.
7718 (arm_fp_ok): Likewise.
7720 (arm_crypto): Likewise.
7722 2016-01-20 Ilya Enkovich <enkovich.gnu@gmail.com>
7723 Richard Biener <rguenther@suse.de>
7725 PR tree-optimization/69328
7726 * tree-vect-stmts.c (vect_is_simple_cond): Check compared
7727 vectors have same number of elements.
7728 (vectorizable_condition): Fix masked version recognition.
7730 2016-01-20 Richard Biener <rguenther@suse.de>
7732 PR tree-optimization/69345
7733 * tree-ssa-sccvn.h (VN_INFO_RANGE_INFO): New inline function.
7734 (VN_INFO_PTR_INFO): Likewise.
7735 * tree-ssa-sccvn.c (set_ssa_val_to): Avoid clearing points-to
7736 info when it is equal between non-dominating SSA names.
7737 * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
7738 Make sure to look at original SSA infos.
7740 2016-01-20 Jeff Law <law@redhat.com>
7743 * config/m68k/predicates.md (pow2_m1_operand): New predicate
7745 (reg_or_pow2_m1_operand): Call pow2_m1_operand.
7746 (pc_or_label_operand): New predicate.
7747 * config/m68k/m68k.md: Add new peephole2 patterns for GTU/LEU
7748 tests for small integers that are 2^n - 1.
7750 2016-01-20 Jonathan Wakely <jwakely@redhat.com>
7752 * doc/invoke.texi (Options Summary): Add '.' after @xref.
7754 2016-01-19 Jeff Law <law@redhat.com>
7757 * tree-ssa-threadbackwards.c
7758 (fsm_find_control_statement_thread_paths): Do not try to lookup
7759 FSM paths for SSA_NAMEs appearing in abnormal PHIs.
7761 2016-01-20 Kugan Vivekanandarajah <kuganv@linaro.org>
7763 * doc/lto.texi: Remove text that says only Gold has linker plugin
7766 2016-01-19 Eric Botcazou <ebotcazou@adacore.com>
7768 * dwarf2out.c (need_endianity_attribute_p): New inline predicate.
7769 (base_type_die): Add REVERSE parameter and attach DW_AT_endianity to
7770 the DIE accordingly.
7771 (modified_type_die): Add REVERSE parameter and pass it recursively,
7772 as well as to base_type_die. Adjust presence check accordingly.
7773 (base_type_for_mode): Adjust call to modified_type_die.
7774 (add_type_attribute): Add REVERSE parameter and pass it to
7776 (generic_parameter_die): Adjust call to add_type_attribute.
7777 (add_scalar_info): Likewise.
7778 (add_subscript_info): Likewise.
7779 (gen_array_type_die): Likewise.
7780 (gen_descr_array_type_die): Likewise.
7781 (gen_entry_point_die): Likewise.
7782 (gen_enumeration_type_die): Likewise.
7783 (gen_formal_parameter_die): Likewise.
7784 (gen_subprogram_die): Likewise.
7785 (gen_variable_die ): Likewise.
7786 (gen_const_die): Likewise.
7787 (gen_field_die): Likewise.
7788 (gen_pointer_type_die): Likewise.
7789 (gen_reference_type_die): Likewise.
7790 (gen_ptr_to_mbr_type_die): Likewise.
7791 (gen_inheritance_die): Likewise.
7792 (gen_subroutine_type_die): Likewise.
7793 (gen_typedef_die): Likewise.
7794 (force_type_die): Adjust call to modified_type_die.
7796 2016-01-19 Sandra Loosemore <sandra@codesourcery.com>
7798 * doc/standards.texi: Copy-editing for grammar, markup, and sentence
7799 flow throughout the file. Fix broken link to Objective-C 2.0
7801 * doc/invoke.texi: More copy-editing; fix numerous typos and spelling
7804 2016-01-19 Wilco Dijkstra <wdijkstr@arm.com>
7806 * ccmp.c (expand_ccmp_expr_1): Avoid spurious unused warnings.
7808 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
7811 * ipa-devirt.c (is_cxa_pure_virtual_p): New function.
7812 (maybe_record_node): Record cxa_pure_virtual as the only possible
7813 target if there are not ohter candidates.
7814 (possible_polymorphic_call_target_p): Accept cxa_pure_virtual.
7816 2016-01-19 Richard Biener <rguenther@suse.de>
7818 * hsa-gen.c (get_memory_order_name): Use MEMMODEL_ constants.
7819 (get_memory_order): Likewise.
7821 2016-01-19 Kirill Yukhin <kirill.yukhin@intel.com>
7823 * tree-vect-stmts.c (vectorizable_store): Check
7826 2016-01-19 David Malcolm <dmalcolm@redhat.com>
7829 * gcc.c (driver::decode_argv): Add call to
7830 init_opts_obstack before init_options_struct.
7831 * opts.c (init_opts_obstack): Remove idempotency.
7832 (init_options_struct): Replace call to init_opts_obstack
7833 with a gcc_assert to verify that it has already been called.
7834 * toplev.c (toplev::main): Add call to init_opts_obstack before
7835 calls to init_options_struct.
7836 (toplev::finalize): Move cleanup of opts_obstack next to
7837 cleanup of save_decoded_options, clearing the latter, and
7838 save_decoded_options_count.
7840 2016-01-19 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
7843 * config/arm/vfp.md (l<vrint_pattern><su_optab><mode>si2): Set "conds"
7844 attribute to unconditional. Remove %? from output template.
7846 2015-01-19 Wilco Dijkstra <wdijkstr@arm.com>
7847 Jiong Wang <jiong.wang@arm.com>
7849 * ccmp.c (expand_ccmp_expr_1): Cost the instruction sequences
7850 generated from different expand order.
7852 2015-01-19 Wilco Dijkstra <wdijkstr@arm.com>
7854 * /config/aarch64/aarch64.c (aarch64_if_then_else_costs):
7855 Add support for CCMP costing.
7857 2015-01-19 Wilco Dijkstra <wdijkstr@arm.com>
7859 * ccmp.c (ccmp_candidate_p): Remove integer-only restriction.
7860 * config/aarch64/aarch64.md (fccmp<mode>): New pattern.
7861 (fccmpe<mode>): Likewise.
7862 (fcmp): Rename to fcmp and globalize pattern.
7864 * config/aarch64/aarch64.c (aarch64_gen_ccmp_first): Add FP support.
7865 (aarch64_gen_ccmp_next): Add FP support.
7867 2015-01-19 Wilco Dijkstra <wdijkstr@arm.com>
7869 * target.def (gen_ccmp_first): Update documentation.
7870 (gen_ccmp_next): Likewise.
7871 * doc/tm.texi (gen_ccmp_first): Update documentation.
7872 (gen_ccmp_next): Likewise.
7873 * ccmp.c (expand_ccmp_expr): Extract cmp_code from return value of
7874 expand_ccmp_expr_1. Improve comments.
7875 * config/aarch64/aarch64.md (ccmp_and): Use if_then_else for ccmp.
7876 (ccmp_ior<mode>): Remove pattern.
7877 (cmp<mode>): Remove expand.
7878 (cmp): Globalize pattern.
7879 (cstorecc4): Use cc_register.
7880 (mov<mode>cc): Remove ccmp_cc_register check.
7881 * config/aarch64/aarch64.c (aarch64_get_condition_code_1):
7882 Simplify after removal of CC_DNE/* modes.
7883 (aarch64_ccmp_mode_to_code): Remove.
7884 (aarch64_print_operand): Remove 'K' case. Merge 'm' and 'M' cases.
7885 In 'k' case use integer as condition.
7886 (aarch64_nzcv_codes): Remove inverted cases.
7887 (aarch64_code_to_ccmode): Remove.
7888 (aarch64_gen_ccmp_first): Use cmp pattern directly. Return the correct
7889 comparison with CC register to be used in folowing CCMP/branch/CSEL.
7890 (aarch64_gen_ccmp_next): Use previous comparison and mode in CCMP
7891 pattern. Return the comparison with CC register. Invert conditions
7893 * config/aarch64/aarch64-modes.def: Remove CC_DNE/* modes.
7894 * config/aarch64/predicates.md (ccmp_cc_register): Remove.
7896 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
7898 * cgraphunit.c (cgraph_node::reset): Clear thunk info and
7899 instrumented_version.
7901 2016-01-19 Richard Biener <rguenther@suse.de>
7903 PR tree-optimization/69336
7904 * tree-ssa-scopedtables.c (avail_expr_hash): Handle all
7905 handled components with get_ref_base_and_extent.
7906 (equal_mem_array_ref_p): Adjust.
7908 2016-01-19 Jakub Jelinek <jakub@redhat.com>
7911 * shrink-wrap.c: Include valtrack.h.
7912 (move_insn_for_shrink_wrap): Add DEBUG argument. If
7913 MAY_HAVE_DEBUG_INSNS, call dead_debug_add on DEBUG_INSNs
7914 in between insn and where it will be moved to. Call
7915 dead_debug_insert_temp.
7916 (prepare_shrink_wrap): Adjust caller. Call dead_debug_local_init
7917 first and dead_debug_local_finish at the end.
7918 For uses and defs bitmap, handle all regs in between REGNO and
7919 END_REGNO, not just the first one.
7921 2016-01-19 Richard Biener <rguenther@suse.de>
7923 PR tree-optimization/69352
7924 * tree-ssa-scopedtables.c (avail_expr_hash): Check for size == -1.
7925 (equal_mem_array_ref_p): Constrain size and max size properly.
7926 Compare the reverse flag.
7928 2016-01-19 Bernd Schmidt <bschmidt@redhat.com>
7930 * ira.c (ira): Update regstat data if we deleted insns.
7932 2016-01-19 Jakub Jelinek <jakub@redhat.com>
7934 PR rtl-optimization/68955
7935 PR rtl-optimization/64557
7936 * dse.c (record_store, check_mem_read_rtx): Don't call get_addr
7937 here. Fix up formatting.
7938 * alias.c (get_addr): Handle VALUE +/- CONST_SCALAR_INT_P.
7940 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
7943 * cgraphunit.c (cgraph_node::expand_thunk): When forcing gimple
7944 assume that the node has body.
7945 * cgraph.c (cgraph_node::get_untransformed_body): Use gimple_body_p
7948 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
7950 * lto-streamer-out.c (lto_output): Do not stream instrumentation
7953 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
7955 * symtab.c (symtab_node::asm_name): Do not call printable name directly.
7956 (symtab_node::name): Report name as unnamed if DECL_NAME is not set.
7958 2016-01-19 Martin Jambor <mjambor@suse.cz>
7959 Martin Liska <mliska@suse.cz>
7960 Michael Matz <matz@suse.de>
7962 * Makefile.in (OBJS): Add new source files.
7963 (GTFILES): Add hsa.c.
7964 * common.opt (disable_hsa): New variable.
7965 (-Whsa): New warning.
7966 * config.in (ENABLE_HSA): New.
7967 * configure.ac: Treat hsa differently from other accelerators.
7968 (OFFLOAD_TARGETS): Define ENABLE_OFFLOADING according to
7970 (ENABLE_HSA): Define ENABLE_HSA according to $enable_hsa.
7971 * doc/install.texi (Configuration): Document --with-hsa-runtime,
7972 --with-hsa-runtime-include, --with-hsa-runtime-lib and
7974 * doc/invoke.texi (-Whsa): Document.
7975 (hsa-gen-debug-stores): Likewise.
7976 * lto-wrapper.c (compile_images_for_offload_targets): Do not attempt
7977 to invoke offload compiler for hsa acclerator.
7978 * opts.c (common_handle_option): Determine whether HSA offloading
7979 should be performed.
7980 * params.def (PARAM_HSA_GEN_DEBUG_STORES): New parameter.
7981 * builtin-types.def (BT_FN_VOID_UINT_PTR_INT_PTR): New.
7982 (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_INT_INT): Removed.
7983 (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_PTR): New.
7984 * gimple-low.c (lower_stmt): Also handle GIMPLE_OMP_GRID_BODY.
7985 * gimple-pretty-print.c (dump_gimple_omp_for): Also handle
7986 GF_OMP_FOR_KIND_GRID_LOOP.
7987 (dump_gimple_omp_block): Also handle GIMPLE_OMP_GRID_BODY.
7988 (pp_gimple_stmt_1): Likewise.
7989 * gimple-walk.c (walk_gimple_stmt): Likewise.
7990 * gimple.c (gimple_build_omp_grid_body): New function.
7991 (gimple_copy): Also handle GIMPLE_OMP_GRID_BODY.
7992 * gimple.def (GIMPLE_OMP_GRID_BODY): New.
7993 * gimple.h (enum gf_mask): Added GF_OMP_PARALLEL_GRID_PHONY,
7994 GF_OMP_FOR_KIND_GRID_LOOP, GF_OMP_FOR_GRID_PHONY and
7995 GF_OMP_TEAMS_GRID_PHONY.
7996 (gimple_statement_omp_single_layout): Updated comments.
7997 (gimple_build_omp_grid_body): New function.
7998 (gimple_has_substatements): Also handle GIMPLE_OMP_GRID_BODY.
7999 (gimple_omp_for_grid_phony): New function.
8000 (gimple_omp_for_set_grid_phony): Likewise.
8001 (gimple_omp_parallel_grid_phony): Likewise.
8002 (gimple_omp_parallel_set_grid_phony): Likewise.
8003 (gimple_omp_teams_grid_phony): Likewise.
8004 (gimple_omp_teams_set_grid_phony): Likewise.
8005 (gimple_return_set_retbnd): Also handle GIMPLE_OMP_GRID_BODY.
8006 * omp-builtins.def (BUILT_IN_GOMP_OFFLOAD_REGISTER): New.
8007 (BUILT_IN_GOMP_OFFLOAD_UNREGISTER): Likewise.
8008 (BUILT_IN_GOMP_TARGET): Updated type.
8009 * omp-low.c: Include symbol-summary.h, hsa.h and params.h.
8010 (adjust_for_condition): New function.
8011 (get_omp_for_step_from_incr): Likewise.
8012 (extract_omp_for_data): Moved parts to adjust_for_condition and
8013 get_omp_for_step_from_incr.
8014 (build_outer_var_ref): Handle GIMPLE_OMP_GRID_BODY.
8015 (fixup_child_record_type): Bail out if receiver_decl is NULL.
8016 (scan_sharing_clauses): Handle OMP_CLAUSE__GRIDDIM_.
8017 (scan_omp_parallel): Do not create child functions for phony
8019 (check_omp_nesting_restrictions): Handle GIMPLE_OMP_GRID_BODY.
8020 (scan_omp_1_op): Checking assert we are not remapping to
8021 ERROR_MARK. Also also handle GIMPLE_OMP_GRID_BODY.
8022 (parallel_needs_hsa_kernel_p): New function.
8023 (expand_parallel_call): Register apprpriate parallel child
8024 functions as HSA kernels.
8025 (grid_launch_attributes_trees): New type.
8026 (grid_attr_trees): New variable.
8027 (grid_create_kernel_launch_attr_types): New function.
8028 (grid_insert_store_range_dim): Likewise.
8029 (grid_get_kernel_launch_attributes): Likewise.
8030 (get_target_argument_identifier_1): Likewise.
8031 (get_target_argument_identifier): Likewise.
8032 (get_target_argument_value): Likewise.
8033 (push_target_argument_according_to_value): Likewise.
8034 (get_target_arguments): Likewise.
8035 (expand_omp_target): Call get_target_arguments instead of looking
8036 up for teams and thread limit.
8037 (grid_expand_omp_for_loop): New function.
8038 (grid_arg_decl_map): New type.
8039 (grid_remap_kernel_arg_accesses): New function.
8040 (grid_expand_target_kernel_body): New function.
8041 (expand_omp): Call it.
8042 (lower_omp_for): Do not emit phony constructs.
8043 (lower_omp_taskreg): Do not emit phony constructs but create for them
8044 a temporary variable receiver_decl.
8045 (lower_omp_taskreg): Do not emit phony constructs.
8046 (lower_omp_teams): Likewise.
8047 (lower_omp_grid_body): New function.
8048 (lower_omp_1): Call it.
8049 (grid_reg_assignment_to_local_var_p): New function.
8050 (grid_seq_only_contains_local_assignments): Likewise.
8051 (grid_find_single_omp_among_assignments_1): Likewise.
8052 (grid_find_single_omp_among_assignments): Likewise.
8053 (grid_find_ungridifiable_statement): Likewise.
8054 (grid_target_follows_gridifiable_pattern): Likewise.
8055 (grid_remap_prebody_decls): Likewise.
8056 (grid_copy_leading_local_assignments): Likewise.
8057 (grid_process_kernel_body_copy): Likewise.
8058 (grid_attempt_target_gridification): Likewise.
8059 (grid_gridify_all_targets_stmt): Likewise.
8060 (grid_gridify_all_targets): Likewise.
8061 (execute_lower_omp): Call grid_gridify_all_targets.
8062 (make_gimple_omp_edges): Handle GIMPLE_OMP_GRID_BODY.
8063 * tree-core.h (omp_clause_code): Added OMP_CLAUSE__GRIDDIM_.
8064 (tree_omp_clause): Added union field dimension.
8065 * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE__GRIDDIM_.
8066 * tree.c (omp_clause_num_ops): Added number of arguments of
8067 OMP_CLAUSE__GRIDDIM_.
8068 (omp_clause_code_name): Added name of OMP_CLAUSE__GRIDDIM_.
8069 (walk_tree_1): Handle OMP_CLAUSE__GRIDDIM_.
8070 * tree.h (OMP_CLAUSE_GRIDDIM_DIMENSION): New.
8071 (OMP_CLAUSE_SET_GRIDDIM_DIMENSION): Likewise.
8072 (OMP_CLAUSE_GRIDDIM_SIZE): Likewise.
8073 (OMP_CLAUSE_GRIDDIM_GROUP): Likewise.
8074 * passes.def: Schedule pass_ipa_hsa and pass_gen_hsail.
8075 * tree-pass.h (make_pass_gen_hsail): Declare.
8076 (make_pass_ipa_hsa): Likewise.
8077 * ipa-hsa.c: New file.
8078 * lto-section-in.c (lto_section_name): Add hsa section name.
8079 * lto-streamer.h (lto_section_type): Add hsa section.
8080 * timevar.def (TV_IPA_HSA): New.
8081 * hsa-brig-format.h: New file.
8082 * hsa-brig.c: New file.
8083 * hsa-dump.c: Likewise.
8084 * hsa-gen.c: Likewise.
8087 * toplev.c (compile_file): Call hsa_output_brig.
8088 * hsa-regalloc.c: New file.
8090 2016-01-18 Jeff Law <law@redhat.com>
8092 PR tree-optimization/69320
8093 * tree-ssa-dom.c (record_edge_info): For comparisons against a boolean
8094 ranged object, do nothing if the RHS constant is not [0..1].
8095 (optimize_stmt): Comparing a boolean ranged object against a
8096 constant outside [0..1] results in a compile-time constant.
8098 * tree-ssanames.c (ssa_name_has_boolean_range): Remove unnecessary
8101 2016-01-18 Sandra Loosemore <sandra@codesourcery.com>
8103 * doc/invoke.texi (Invoking GCC): Add new section to menu.
8104 (Option Summary): Update to reflect new section and moved options.
8105 (C++ Dialect Options): Move -fstats to new section.
8106 (Debugging Options): Move all dump, statistics, and other GCC
8107 developer options to new section. Rewrite section introduction
8108 and re-order remaining options to put the more basic ones first.
8109 (Optimization Options): Move -fira-verbose and -flto-report* to
8111 (Developer Options): New section incorporating moved options.
8112 * doc/cppopts.texi (-dM): Update cross-reference.
8114 2016-01-18 Richard Henderson <rth@redhat.com>
8117 * config/aarch64/aarch64.md (add<GPI>3): Move long immediate
8118 operands to pseudo only if CSE is expected. Split long immediate
8119 operands only after reload, and for the stack pointer.
8120 (*add<GPI>3_pluslong): Remove.
8121 (*addsi3_aarch64, *adddi3_aarch64): Merge into...
8122 (*add<GPI>3_aarch64): ... here. Add r/rk/Upl alternative.
8123 (*addsi3_aarch64_uxtw): Add r/rk/Upl alternative.
8124 (*add<GPI>3 peepholes): New.
8125 (*add<GPI>3 splitters): New.
8126 * config/aarch64/constraints.md (Upl): New.
8127 * config/aarch64/predicates.md (aarch64_pluslong_strict_immedate): New.
8129 2016-01-18 Richard Biener <rguenther@suse.de>
8131 PR tree-optimization/69297
8132 * tree-vect-slp.c (vect_bb_slp_scalar_cost): Count each scalar
8134 (vect_bb_vectorization_profitable_p): Clear visited flag again.
8136 2016-01-18 Yuri Rumyantsev <ysrumyan@gmail.com>
8139 * fold-const.c (fold_binary_op_with_conditional_arg): Bail out for case
8140 of mixind vector and scalar types.
8141 (fold_relational_const): Add handling of vector
8142 comparison with boolean result.
8143 * tree-cfg.c (verify_gimple_comparison): Add argument CODE, allow
8144 comparison of vector operands with boolean result for EQ/NE only.
8145 (verify_gimple_assign_binary): Adjust call for verify_gimple_comparison.
8146 (verify_gimple_cond): Likewise.
8147 * tree-vrp.c (extract_code_and_val_from_cond_with_ops): Modify check on
8150 2016-01-18 Joseph Myers <joseph@codesourcery.com>
8152 * config/mips/mips.h (ISA_HAS_PAIRED_SINGLE): Require
8155 2016-01-18 Richard Biener <rguenther@suse.de>
8158 * gimple.c (gimple_could_trap_p_1): Handle GIMPLE_COND.
8160 2016-01-18 Tom de Vries <tom@codesourcery.com>
8162 * passes.def: Add pass_parallelize_loops to pass_oacc_kernels.
8164 2016-01-18 Tom de Vries <tom@codesourcery.com>
8166 * omp-low.c (set_oacc_fn_attrib): Make extern.
8167 * omp-low.h (set_oacc_fn_attrib): Declare.
8168 * tree-parloops.c (struct reduction_info): Add reduc_addr field.
8169 (create_call_for_reduction_1): Handle case that reduc_addr is non-NULL.
8170 (create_parallel_loop, gen_parallel_loop, try_create_reduction_list):
8171 Add and handle function parameter oacc_kernels_p.
8172 (find_reduc_addr, get_omp_data_i_param): New function.
8173 (ref_conflicts_with_region, oacc_entry_exit_ok_1)
8174 (oacc_entry_exit_single_gang, oacc_entry_exit_ok): New function.
8175 (parallelize_loops): Add and handle function parameter oacc_kernels_p.
8176 Calculate dominance info. Skip loops that are not in a kernels region
8177 in oacc_kernels_p mode. Skip inner loops of parallelized loops.
8178 (pass_parallelize_loops::execute): Call parallelize_loops with
8179 oacc_kernels_p argument.
8180 (pass_parallelize_loops::clone, pass_parallelize_loops::set_pass_param):
8181 New member function.
8182 (pass_parallelize_loops::bool oacc_kernels_p): New member var.
8183 * passes.def: Add argument to pass_parallelize_loops instantation.
8185 2016-01-18 Tom de Vries <tom@codesourcery.com>
8187 * tree-parloops.c (pass_parallelize_loops::execute): Allow
8188 pass_parallelize_loops to be run outside the loop pipeline.
8190 2016-01-18 Alan Lawrence <alan.lawrence@arm.com>
8192 * tree-scalar-evolution.c (follow_copies_to_constant): New.
8193 (analyze_initial_condition, analyze_scalar_evolution_1): Call previous.
8195 2016-01-18 Alan Lawrence <alan.lawrence@arm.com>
8198 * tree-ssa-scopedtables.c (avail_expr_hash): Hash MEM_REF and ARRAY_REF
8199 using get_ref_base_and_extent.
8200 (equal_mem_array_ref_p): New.
8201 (hashable_expr_equal_p): Add call to previous.
8203 2016-01-18 Alan Lawrence <alan.lawrence@arm.com>
8206 * tree-sra.c (disqualified_constants, constant_decl_p): New.
8207 (sra_initialize): Allocate disqualified_constants.
8208 (sra_deinitialize): Free disqualified_constants.
8209 (disqualify_candidate): Update disqualified_constants when appropriate.
8210 (create_access): Scan for constant-pool entries as we go along.
8211 (scalarizable_type_p): Add check against type_contains_placeholder_p.
8212 (maybe_add_sra_candidate): Allow constant-pool entries.
8213 (load_assign_lhs_subreplacements): Bind debug for constant pool vars.
8214 (initialize_constant_pool_replacements): New.
8215 (sra_modify_assign): Avoid mangling assignments created by previous,
8216 and don't generate writes into constant pool.
8217 (sra_modify_function_body): Call initialize_constant_pool_replacements.
8219 2016-01-18 Ilya Enkovich <enkovich.gnu@gmail.com>
8221 * config/i386/i386.c (scalar_to_vector_candidate_p): Support
8223 (scalar_chain::convert_op): Likewise.
8224 * config/i386/i386.md (*andndi3_doubleword): New.
8226 2016-01-18 Richard Biener <rguenther@suse.de>
8228 PR tree-optimization/69170
8229 * tree-vect-slp.c (vect_build_slp_tree): Verify we are not
8230 building a vector from scalar results of a pattern stmt.
8232 2016-01-18 Jakub Jelinek <jakub@redhat.com>
8234 * haifa-sched.c (autopref_multipass_init): Work around
8235 -Wmaybe-uninitialized warning.
8237 2016-01-18 Thomas Preud'homme <thomas.preudhomme@arm.com>
8239 * config/arm/arm.c (thumb1_reorg): Check that the comparison is
8240 against the constant 0.
8242 2016-01-17 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
8244 PR tree-optimization/68799
8245 * gimple-ssa-strength-reduction.c (create_phi_basis): Directly
8246 look up phi candidates in the statement-candidate map.
8247 (phi_add_costs): Likewise.
8248 (record_phi_increments): Likewise.
8249 (phi_incr_cost): Likewise.
8250 (ncd_with_phi): Likewise.
8251 (all_phi_incrs_profitable): Likewise.
8253 2016-01-17 Jakub Jelinek <jakub@redhat.com>
8255 * omp-low.c (mark_loops_in_oacc_kernels_region): Work around
8256 -Wmaybe-uninitialized warning.
8258 2016-01-16 Sandra Loosemore <sandra@codesourcery.com>
8260 * doc/invoke.texi (Invoking GCC): Add new section to menu.
8261 (Option Summary): Update to reflect new section and moved options.
8262 (C++ Dialect Options): Move -fvtable-verify and related options.
8263 (Debugging Options): Move Sanitizer, Pointer Bounds Checker,
8264 and profiling-related options.
8265 (Optimization Options): Move profile generation options and
8266 -fstack-protector and related options.
8267 (Instrumentation Options): New section incorporating moved options.
8268 (Code Generation Options): Move -finstrument-functions and
8269 related options, -fstack-check, -fstack-limit*, and -fbounds-check.
8271 2016-01-16 Tom de Vries <tom@codesourcery.com>
8273 * passes.def: Move pass_expand_omp_ssa out of pass_parallelize_loops.
8275 2016-01-16 Tom de Vries <tom@codesourcery.com>
8277 * omp-low.c (expand_omp_atomic_fetch_op): Release defs of update stmt.
8279 2016-01-16 Richard Sandiford <richard.sandiford@arm.com>
8281 * hash-table.h (hash_table::empty): Turn into an inline wrapper
8282 that checks whether the table is already empty. Rename the
8283 original implementation to...
8284 (hash_table::empty_slot): ...this new private function.
8286 2016-01-15 David Malcolm <dmalcolm@redhat.com>
8289 * diagnostic-show-locus.c (layout::print_source_line): Move x
8290 offset of line until after call to
8291 get_line_width_without_trailing_whitespace.
8293 2016-01-15 Jeff Law <law@redhat.com>
8295 PR tree-optimization/69270
8296 * tree-ssanames.c (ssa_name_has_boolean_range): Moved here from
8297 tree-ssa-dom.c. Improve test for [0..1] ranve from VRP.
8298 * tree-ssa-dom.c (ssa_name_has_boolean_range): Remove.
8299 * tree-ssanames.h (ssa_name_has_boolean_range): Prototype.
8300 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
8301 ssa_name_has_boolean_range and constant_boolean_node.
8303 2016-01-15 Vladimir Makarov <vmakarov@redhat.com>
8305 PR rtl-optimization/69030
8306 * lra-spills.c (remove_pseudos): Check nrefs and make the function
8308 (spill_pseudos): Delete debug insn for dead pseudo.
8309 (lra_spill): Initiate spill_hard_reg and slots memory separately.
8311 2016-01-15 Jiong Wang <jiong.wang@arm.com>
8313 * config/aarch64/aarch64-builtins.c (aarch64_types_unopus_qualifiers):
8315 (TYPES_UNOPUS): Likewise.
8316 * config/aarch64/aarch64-simd-builtins.def (lbtruncuv2sf): Correct
8317 builtin type, from UNOP to UNOPUS.
8318 (lbtruncuv4sf): Likewise.
8319 (lbtruncuv2df): Likewise.
8320 (lrounduv2sf): Likewise.
8321 (lrounduv4sf): Likewise.
8322 (lrounduv2df): Likewise.
8323 (lroundusf): Likewise.
8324 (lroundusf): Likewise.
8325 (lceiluv2sf): Likewise.
8326 (lceiluv4sf): Likewise.
8327 (lceiluv2df): Likewise.
8328 (lceilusf): Likewise.
8329 (lceiludf): Likewise.
8330 (lflooruv2sf): Likewise.
8331 (lflooruv4sf): Likewise.
8332 (lflooruv2df): Likewise.
8333 (lfloorusf): Likewise.
8334 (lfloorudf): Likewise.
8335 (lfrintnuv2sf): Likewise.
8336 (lfrintnuv4sf): Likewise.
8337 (lfrintnuv2df): Likewise.
8338 (lfrintnusf): Likewise.
8339 (lfrintnudf): Likewise.
8340 * config/aarch64/arm_neon.h (vcvt_u32_f32): Remove unncessary type
8342 (vcvtq_u32_f32): Likewise.
8343 (vcvtq_u64_f64): Likewise.
8344 (vcvta_u32_f32): Likewise.
8345 (vcvtaq_u32_f32): Likewise.
8346 (vcvtaq_u64_f64): Likewise.
8347 (vcvtm_u32_f32): Likewise.
8348 (vcvtmq_u32_f32): Likewise.
8349 (vcvtmq_u64_f64): Likewise.
8350 (vcvtn_u32_f32): Likwise.
8351 (vcvtnq_u32_f32): Likewise.
8352 (vcvtnq_u64_f64): Likewise.
8353 (vcvtp_u32_f32): Likewise.
8354 (vcvtpq_u32_f32): Likewise.
8355 (vcvtpq_u64_f64): Likewise.
8356 (vcvtmd_u64_f64): Likewise.
8357 (vcvtms_u32_f32): Likewise.
8358 (vcvtad_u64_f64): Likewise.
8359 (vcvtas_u32_f32): Likewise.
8360 (vcvtnd_u64_f64): Likewise.
8361 (vcvtns_u32_f32): Likewise.
8362 (vcvtpd_u64_f64): Likewise.
8363 (vcvtps_u32_f32): Likewise.
8365 2016-01-15 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
8367 * config/aarch64/aarch64.c (aarch64_if_then_else_costs): Handle
8368 CSEL of zero_extended registers.
8370 2016-01-15 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
8372 * config/aarch64/aarch64.c (aarch64_rtx_costs, COMPARE case):
8373 Handle COMPARE of ZERO_EXTRACT against zero form of TST-immediate.
8375 2016-01-15 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
8377 * config/aarch64/aarch64.c (aarch64_process_one_target_attr): Return
8378 false when argument string is not found in the attributes table
8381 2016-01-15 David Edelsohn <dje.gcc@gmail.com>
8384 * config/rs6000/rs6000.c (rs6000_emit_msub): Delete.
8385 (rs6000_emit_swsqrt): Convert to Goldschmidt's Algorithm
8386 * config/rs6000/rs6000.md (sqrt<mode>2): Limit swsqrt to high
8389 2016-01-15 Richard Biener <rguenther@suse.de>
8391 PR tree-optimization/66856
8392 * tree-vect-loop.c (vect_transform_loop): Free SLP instances here.
8393 * tree-vect-slp.c (vect_free_slp_tree): Decrement stmt reference count.
8394 (vect_create_new_slp_node): Increment stmt reference count.
8395 (vect_get_and_check_slp_defs): Make sure stmts are nor already in
8396 an SLP tree before swapping operands.
8397 (vect_build_slp_tree): Likewise.
8398 (destroy_bb_vec_info): Free stmt info after SLP instances.
8399 * tree-vect-stmts.c (new_stmt_vec_info): Initialize reference count.
8400 * tree-vectorizer.h (struct _stmt_vec_info): Add num_slp_uses field.
8401 (STMT_VINFO_NUM_SLP_USES): New macro.
8403 2016-01-15 Richard Biener <rguenther@suse.de>
8406 * dwarf2out.c (add_linkage_name_raw): New function split out from ...
8407 (add_linkage_name): ... here.
8408 (gen_typedef_die): Use add_linkage_name_raw instead of
8409 add_linkage_attr to delay DECL_ASSEMBLER_NAME computation
8412 2016-01-15 Cesar Philippidis <cesar@codesourcery.com>
8414 * gimplify.c (oacc_default_clause): Decode reference and pointer
8415 types for both kernels and parallel regions.
8417 2016-01-15 Richard Sandiford <richard.sandiford@arm.com>
8420 * calls.c (emit_call_1): Force n_popped to zero for sibcalls.
8422 2016-01-15 Ilya Enkovich <enkovich.gnu@gmail.com>
8424 * config/i386/i386.c (scalar_chain::compute_convert_gain): Fix typo.
8425 (convert_scalars_to_vector): Likewise.
8427 2016-01-15 Jonathan Wakely <jwakely@redhat.com>
8429 * doc/extend.texi (Type Traits): Fix grammar.
8431 2016-01-15 Martin Jambor <mjambor@suse.cz>
8433 * tree-inline.c (remap_decl): Use existing dclarations if
8434 remapping a type and prevent_decl_creation_for_types.
8435 (replace_locals_stmt): Do an initial remapping of non-VLA typed
8436 decls first. Do real remapping with
8437 prevent_decl_creation_for_types set.
8438 * tree-inline.h (copy_body_data): New field
8439 prevent_decl_creation_for_types, moved remap_var_for_cilk to avoid
8442 2016-01-15 Dominik Vogt <vogt@linux.vnet.ibm.com>
8444 * config/s390/s390.opt (mmvcle): More verbose help text.
8446 2016-01-15 Dominik Vogt <vogt@linux.vnet.ibm.com>
8448 * config/s390/s390.opt: Add period to -mzvector option text.
8450 2016-01-15 Richard Biener <rguenther@suse.de>
8452 PR tree-optimization/68961
8453 * tree-vect-slp.c (vect_analyze_slp_cost_1): Consider cost
8454 of invariants in stores again.
8456 2016-01-15 Sebastian Huber <sebastian.huber@embedded-brains.de>
8458 * config/arm/t-rtems: Add cortex-m7/fpv5-d16 multilib.
8460 2016-01-15 Ilya Enkovich <enkovich.gnu@gmail.com>
8462 * config/i386/i386.c (ix86_expand_branch): Don't split
8463 DI mode xor instruction to SI mode.
8465 2016-01-15 Jan Hubicka <hubicka@ucw.cz>
8468 * ipa-icf.c (sem_function::merge): Virtual functions may become
8469 reachable even if they address is not taken and there are no
8472 2016-01-15 Jan Hubicka <hubicka@ucw.cz>
8474 * lto-streamer-out.c (subtract_estimated_size): New function.
8475 (get_symbol_initial_value): Use it.
8477 2016-01-15 Christian Bruel <christian.bruel@st.com>
8480 * config/arm/arm-builtins.c (ARM_BUILTIN_CRYPTO_BASE): New enum tag.
8481 (arm_init_neon_builtins_internal): Rename arm_init_neon_builtins,
8482 (arm_init_crypto_builtins_internal): Rename arm_init_crypto_builtins.
8483 use add_builtin_function_ext_scope instead of add_builtin_function.
8484 (neon_set_p, neon_crypto_set_p): Remove.
8485 (arm_init_builtins): Always call arm_init_neon_builtins and
8486 arm_init_crypto_builtins.
8487 (arm_expand_builtin): Check that builtins are allowed for the arch.
8488 * config/arm/arm-protos.h (arm_init_neon_builtins): Remove prototype.
8489 * config/arm/arm.c (arm_valid_target_attribute_tree): Remove
8490 arm_init_neon_builtins call.
8492 2016-01-15 Richard Biener <rguenther@suse.de>
8494 PR tree-optimization/69117
8495 * tree-ssa-sccvn.h (struct vn_ssa_aux): Add info member.
8496 * tree-ssa-sccvn.c (set_ssa_val_to): Save and adjust SSA name info
8497 of the leader conservatively.
8498 (free_scc_vn): Restore original SSA name infos.
8500 2016-01-14 Jeff Law <law@redhat.com>
8502 PR tree-optimization/69270
8503 * tree-ssa-dom.c (ssa_name_has_boolean_range): If the type has a
8504 single bit of precision, verify it's also unsigned.
8505 (record_edge_info): Use constant_boolean_node rather than fold_convert
8506 to convert boolean_true/boolean_false to the right type.
8508 2016-01-14 Richard Henderson <rth@redhat.com>
8511 * loop-doloop.c (record_reg_sets): New.
8512 (doloop_optimize): Reject the transform if the sequence
8513 clobbers registers live at the end of the loop block.
8514 (doloop_optimize_loops): Enable df_live if needed.
8516 2016-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
8518 * config/rs6000/rs6000-builtin.def: Revert 2016-01-13 change.
8519 * gcc/config/rs6000/rs6000.c: Likewise.
8520 * gcc/config/rs6000/rs6000.h: Likewise.
8521 * gcc/config/rs6000/rs6000.md: Likewise.
8522 * gcc/doc/extend.texi: Likewsie.
8524 2016-01-14 Jeff Law <law@redhat.com>
8526 * tree-ssa-dom.c (ssa_name_has_boolean_range): Fix comment
8529 2016-01-14 Richard Henderson <rth@redhat.com>
8533 * trans-mem.c (tm_log_emit_stmt): Fix unit size to bit size.
8534 * tree.c (build_tm_vector_builtins): Use builtin_decl_explicit_p
8535 instead of builtin_decl_declared_p to test for declaration.
8537 2016-01-14 Nicklas Bo Jensen <nbjensen@gmail.com>
8539 * doc/loop.texi (Loop Analysis and Representation): Document
8540 loop_depth function.
8542 2016-01-14 Tom de Vries <tom@codesourcery.com>
8544 PR tree-optimization/68773
8545 * omp-low.c (expand_omp_target): Don't set force_output.
8546 * varpool.c (varpool_node::get_create): Same.
8547 * lto-cgraph.c (input_offload_tables): Mark entries in offload_vars and
8548 offload_funcs with force_output.
8550 2016-01-14 Jakub Jelinek <jakub@redhat.com>
8553 * lra-eliminations.c (move_plus_up): Don't change anything if either
8554 the outer or inner subreg mode is not MODE_INT.
8555 * dwarf2out.c (mem_loc_descriptor): For SUBREG, if outer mode is
8556 integral <= DWARF2_ADDR_SIZE, convert to untyped afterwards.
8558 2016-01-14 Alan Lawrence <alan.lawrence@arm.com>
8560 * doc/md.texi (reduc_smin_@var{m}, reduc_smax_@var{m},
8561 reduc_umin_@var{m}, reduc_umax_@var{m}, reduc_splus_@var{m},
8562 reduc_uplus_@var{m}): Remove.
8563 * expr.c (expand_expr_real_2): Remove expansion path for
8564 reduc_[us](min|max|plus) optabs.
8565 * optabs-tree.c (scalar_reduc_to_vector): Remove.
8566 * optabs-tree.h (scalar_reduc_to_vector): Remove.
8567 * optabs.def (reduc_smax_optab, reduc_smin_optab, reduc_splus_optab,
8568 reduc_umax_optab, reduc_umin_optab, reduc_uplus_optab): Remove.
8569 * tree-vect-loop.c (vectorizable_reduction): Remove test for
8570 reduc_[us](min|max|plus) optabs.
8572 2016-01-14 Alan Lawrence <alan.lawrence@arm.com>
8574 * config/mips/mips-ps-3d.md (reduc_splus_v2sf): Remove.
8575 (reduc_plus_scal_v2sf): New.
8576 (reduc_smax_v2sf): Rename to...
8577 (reduc_smax_scal_v2sf): ...here, make result SFmode, add vec_extract.
8578 (reduc_smin_v2sf): Rename to...
8579 (reduc_smin_scal_v2sf): ...here, make result SFmode, add vec_extract.
8581 2016-01-14 Jan Hubicka <hubicka@ucw.cz>
8583 * alias.c (compare_base_symbol_refs): New function.
8584 (rtx_equal_for_memref_p, base_alias_check, memrefs_conflict_p): Use
8587 2016-01-14 Jakub Jelinek <jakub@redhat.com>
8590 PR tree-optimization/69155
8591 * tree-complex.c: Include cfganal.h.
8592 (phis_to_revisit): New variable.
8593 (extract_component): Add phiarg_p argument. Assert that returned
8594 SSA_NAME has non-NULL SSA_NAME_DEF_STMT unless phiarg_p is true.
8595 (update_phi_components): Partly rewrite to use loop over real/imag
8596 components instead of code duplication. If extract_component returns
8597 SSA_NAME with NULL SSA_NAME_DEF_STMT, store SSA_NAME_VAR or
8598 create_tmp_reg into the PHI node instead, and mention the phi triplet
8600 (tree_lower_complex): Walk bbs in rpo order. Adjust phis recorded
8601 in phis_to_revisit at the end.
8603 2016-01-14 Richard Biener <rguenther@suse.de>
8605 PR tree-optimization/68060
8606 * tree-vect-loop.c (vect_is_simple_reduction): Check the
8607 outer loop reduction is only used in the inner loop before
8608 detecting a double reduction.
8610 2016-01-14 Jakub Jelinek <jakub@redhat.com>
8613 * combine.c (expand_field_assignment): Punt if compute_mode is
8614 unsupported scalar mode.
8616 2016-01-14 Richard Biener <rguenther@suse.de>
8618 PR tree-optimization/66856
8619 * tree-vect-slp.c (vect_build_slp_tree): Refactor to build
8620 SLP node only if it built successfully.
8621 (vect_analyze_slp_instance): Adjust.
8623 2016-01-14 Jeff Law <law@redhat.com>
8625 PR tree-optimization/69270
8626 * tree-ssa-dom.c (ssa_name_has_boolean_range): New function.
8627 (record_edge_info): Use it. Convert boolean_{true,false}_node
8630 2016-01-13 Jan Hubicka <hubicka@ucw.cz>
8633 * ipa-polymorphic-call.c (inlined_polymorphic_ctor_dtor_block_p):
8634 use block_ultimate_origin
8635 (noncall-stmt_may_be_vtbl_ptr_store): Likewise.
8637 2016-01-13 Sandra Loosemore <sandra@codesourcery.com>
8639 * doc/invoke.texi (Submodel Options): Rename section to
8640 "Machine-Dependent Options" to better reflect its content.
8641 Rewrite introductory text to remove archaic CPU names.
8644 2016-01-13 Sandra Loosemore <sandra@codesourcery.com>
8646 * doc/invoke.texi (Code Gen Options): Move section up in file,
8647 before target-specific options. Update menu and option summary
8648 to reflect the new section ordering.
8650 2016-01-13 Jonathan Wakely <jwakely@redhat.com>
8652 * doc/invoke.texi (C Dialect Options): Adjust -std default for C++.
8653 (C++ Dialect Options): Add cross-reference to -std option.
8654 * doc/standards.texi (C++ Language): Document C++14 support.
8656 2016-01-13 Michael Meissner <meissner@linux.vnet.ibm.com>
8658 * config/rs6000/rs6000-builtin.def (BU_FLOAT128_2): Add support
8659 for pack/unpack functions for __ibm128.
8660 (PACK_IF): Likewise.
8661 (UNPACK_IF): Likewise.
8663 * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Add
8664 support for __ibm128 pack/unpack functions.
8665 (rs6000_invalid_builtin): Likewise.
8666 (rs6000_init_builtins): Likewise.
8667 (rs6000_opt_masks): Likewise.
8669 * config/rs6000/rs6000.h (MASK_FLOAT128): Add short name.
8670 (RS6000_BTM_FLOAT128): Add support for __ibm128 pack/unpack
8672 (RS6000_BTM_COMMON): Likewise.
8674 * config/rs6000/rs6000.md (f128_vsx): New mode attribute.
8675 (unpack<mode>): Use FMOVE128_FPR iterator instead of FMOVE128, to
8676 disallow __builtin_{pack,unpack}_longdouble if long double is IEEE
8677 128-bit floating point. Add support for the double values to be
8678 in Altivec registers for TF/IF packing and unpacking, but restrict
8679 TD packing sub-fields to be FPR registers. Don't allow overlapped
8680 register support for packing. Allow pack inputs to be memory
8681 locations. Don't build generator functions for unpack<mode>_dm
8682 and unpack<mode>_nodm.
8683 (unpack<mode>_dm): Likewise.
8684 (unpack<mode>_nodm): Likewise.
8685 (pack<mode>): Likewise.
8687 * config/rs6000/rs6000-builtin.def (__builtin_pack_ibm128): Add
8688 built-in functions to pack/unpack explicit __ibm128 values.
8689 (__builtin_unpack_ibm128): Likewise.
8691 * doc/extend.texi (PowerPC Built-in Functions): Document
8692 __builtin_pack_ibm128 and __builtin_unpack_ibm128.
8694 2016-01-13 Bernd Schmidt <bschmidt@redhat.com>
8697 * c-common.c (check_function_nonnull): Remove unnecessary declaration.
8698 Add new arg loc and pass it down as context.
8699 (check_nonnull_arg): Don't mark ctx arg as unused. Use it as a pointer
8700 to the location to use for the warning.
8701 (check_function_arguments): New arg loc. All callers changed. Pass
8702 it to check_function_nonnull.
8703 * c-common.h (check_function_arguments): Adjust declaration.
8705 2016-01-13 Jakub Jelinek <jakub@redhat.com>
8707 PR tree-optimization/69156
8708 * gimple.c (validate_type): Removed.
8709 (gimple_builtin_call_types_compatible_p): Use
8710 useless_type_conversion_p instead of validate_type.
8711 * value-prof.c (gimple_stringop_fixed_value): Fold
8712 icall_size to correct type.
8714 2016-01-13 Jonathan Wakely <jwakely@redhat.com>
8716 * doc/extend.texi (__atomic Builtins): Clarify compare_exchange
8719 2016-01-13 Richard Henderson <rth@redhat.com>
8722 * target.def (builtin_tm_load, builtin_tm_store): Remove.
8723 * config/i386/i386.c (ix86_builtin_tm_load): Remove.
8724 (ix86_builtin_tm_store): Remove.
8725 (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
8726 (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
8727 * doc/tm.texi.in (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
8728 (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
8729 * doc/tm.texi: Rebuild.
8731 * gtm-builtins.def (BUILT_IN_TM_MEMCPY_RNWT): New.
8732 (BUILT_IN_TM_MEMCPY_RTWN): New.
8733 * trans-mem.c (tm_log_emit_stmt): Rearrange code for better
8734 fallback from vector to integer helpers.
8735 (build_tm_load): Handle vector types directly, instead of
8737 (build_tm_store): Likewise.
8738 (expand_assign_tm): Prepare for register types not handled by
8739 the above. Copy them to memory and use memcpy.
8740 * tree.c (tm_define_builtin): New.
8741 (find_tm_vector_type): New.
8742 (build_tm_vector_builtins): New.
8743 (build_common_builtin_nodes): Call it.
8745 2016-01-13 Uros Bizjak <ubizjak@gmail.com>
8747 * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Return -1 for
8748 TARGET_SSE_MATH without TARGET_SSE2. Rewrite.
8750 2016-01-13 Tom de Vries <tom@codesourcery.com>
8752 PR tree-optimization/69169
8753 * tree-ssa-structalias.c (create_variable_info_for_1): Add and handle
8754 handled_struct_type param.
8755 (create_variable_info_for, intra_create_variable_infos): Call
8756 create_variable_info_for_1 with extra arg.
8758 2016-01-13 Yvan Roux <yvan.roux@linaro.org>
8760 * config/arm/arm-arches.def: Remove spurious whitespace in "armv8.1-a"
8761 and "armv8.1-a+crc" entries.
8763 2016-01-13 Alexander Fomin <alexander.fomin@intel.com>
8766 * config/i386/sse.md (define_expand "avx512pf_gatherpf<mode>sf"):
8767 Change first operand predicate from register_or_constm1_operand
8768 to register_operand.
8769 (define_expand "avx512pf_gatherpf<mode>df"): Likewise.
8770 (define_expand "avx512pf_scatterpf<mode>sf"): Likewise.
8771 (define_expand "avx512pf_scatterpf<mode>df"): Likewise.
8772 (define_insn "*avx512pf_gatherpf<mode>sf"): Remove.
8773 (define_insn "*avx512pf_gatherpf<mode>df"): Likewise.
8774 (define_insn "*avx512pf_scatterpf<mode>sf"): Likewise.
8775 (define_insn "*avx512pf_scatterpf<mode>df"): Likewise.
8776 * config/i386/i386.c (ix86_expand_builtin): Remove first operand
8777 comparison with constm1_rtx from vec_prefetch_gen part.
8779 2016-01-13 Richard Biener <rguenther@suse.de>
8781 PR tree-optimization/69013
8782 * tree-ssa-uninit.c (prune_uninit_phi_opnds_in_unrealizable_paths):
8783 Exchange assert for a test.
8785 2016-01-13 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
8788 * config/s390/s390.md (bswaphi splitter): Use simplify_gen_subreg.
8790 2016-01-13 Richard Biener <rguenther@suse.de>
8792 PR tree-optimization/69242
8793 * tree-ssa-sccvn.c (visit_reference_op_load): Replace bogus
8794 assert with a check.
8796 2016-01-13 Richard Biener <rguenther@suse.de>
8798 PR tree-optimization/69186
8799 * tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
8800 Properly guard vect_update_misalignment_for_peel call.
8802 2016-01-12 Jeff Law <law@redhat.com>
8804 PR tree-optimization/pr67755
8805 * tree-ssa-threadupdate.c (struct ssa_local_info_t): Add new field
8806 "need_profile_correction".
8807 (thread_block_1): Initialize new field to false by default. If we
8808 have multiple thread paths through a common joiner to different
8809 final targets, then set new field to true.
8810 (compute_path_counts): Only do count adjustment when it's really
8813 2016-01-12 Sandra Loosemore <sandra@codesourcery.com>
8815 * doc/invoke.texi (Spec Files): Move section down in file, past
8816 all command-line option descriptions.
8818 2016-01-12 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
8821 * doc/gty.texi: Remove documentation of mark_hook.
8822 * gengtype.c (struct write_types_data): Remove code to support
8823 mark_hook attribute.
8824 (walk_type): Likewise.
8825 (write_func_for_structure): Likewise.
8827 2016-01-12 Sandra Loosemore <sandra@codesourcery.com>
8829 * doc/invoke.texi (Option Summary) Move -no-canonical-prefixes to
8830 Directory Options, and -specs= to Overall Options.
8831 (Overall Options): Adjust similarly. Reorder to group related
8832 options together. Make -specs= cross-reference the spec file details.
8833 (Directory Options): Adjust similarly.
8835 2016-01-12 Jeff Law <law@redhat.com>
8837 * tree-ssa-threadupdate.c: Various whitespace and typo fixes.
8839 2016-01-12 Olivier Hainque <hainque@adacore.com>
8841 * gcc.c (spec_undefvar_allowed): New global.
8842 (process_command): Set to true when running for --version or --help,
8844 (getenv_spec_function): When the variable is not defined, use the
8845 variable name as the variable value if we're allowed not to issue
8848 2016-01-12 Bin Cheng <bin.cheng@arm.com>
8850 PR tree-optimization/68911
8851 * tree-vrp.c (adjust_range_with_scev): Check overflow in range
8852 information computed for expression "init + nit * step".
8854 2016-01-12 Sandra Loosemore <sandra@codesourcery.com>
8856 * doc/invoke.texi (Invoking GCC): Copy-edit. Incorporate information
8857 about name of GCC executable. Remove deleted node from menu.
8858 (Directory Options) <-B>: Remove cross-reference to deleted node.
8859 (Target Options): Delete section.
8861 2016-01-12 Christian Bruel <christian.bruel@st.com>
8864 * config/arm/arm-c.c (arm_pragma_target_parse): Set NODE_CONDITIONAL
8865 for __ARM_NEON_FP, __ARM_FP, _ARM_FEATURE_LDREX.
8867 2016-01-12 Jakub Jelinek <jakub@redhat.com>
8870 * config/i386/i386.c (ix86_expand_special_args_builtin): Ensure
8871 aligned_mem is properly set for AVX512-VL floating point masked
8875 * ifcvt.c (cond_exec_process_if_block): When removing the last
8876 insn from then_bb, remove also any possible barriers that follow it.
8878 2016-01-12 H.J. Lu <hongjiu.lu@intel.com>
8882 * config/i386/iamcu.h (SIZE_TYPE): New macro.
8883 (PTRDIFF_TYPE): Likewise.
8884 (WCHAR_TYPE): Likewise.
8885 (WCHAR_TYPE_SIZE): Likewise.
8886 (STDINT_LONG32): Likewise.
8888 2016-01-12 Richard Biener <rguenther@suse.de>
8890 PR tree-optimization/69053
8891 * tree-vect-loop.c (get_initial_def_for_reduction): Properly
8892 convert initial value for cond reductions.
8894 2016-01-12 Richard Biener <rguenther@suse.de>
8896 PR tree-optimization/69007
8897 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Move
8898 widen_sum after dot_prod and sad.
8900 2016-01-12 Richard Biener <rguenther@suse.de>
8902 PR tree-optimization/69168
8903 * tree-vect-loop.c (vect_analyze_loop_2): Reset both main and
8904 pattern stmt SLP type.
8905 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Patterns may
8906 end up unused so cope with that case.
8908 2016-01-12 Richard Biener <rguenther@suse.de>
8910 PR tree-optimization/69157
8911 * tree-vect-stmts.c (vectorizable_mask_load_store): Check
8912 stmts def type only during analyze phase.
8913 (vectorizable_call): Likewise.
8914 (vectorizable_simd_clone_call): Likewise.
8915 (vectorizable_conversion): Likewise.
8916 (vectorizable_assignment): Likewise.
8917 (vectorizable_shift): Likewise.
8918 (vectorizable_operation): Likewise.
8919 (vectorizable_store): Likewise.
8920 (vectorizable_load): Likewise.
8922 2016-01-12 Richard Biener <rguenther@suse.de>
8924 PR tree-optimization/69174
8925 * tree-vect-stmts.c (vect_mark_relevant): Remove excessive vertical
8927 (vectorizable_load): Properly compute the number of loads needed
8928 for permuted strided SLP loads and do not spuriously assign
8929 to SLP_TREE_VEC_STMTS.
8931 2016-01-12 Andris Pavenis <andris.pavenis@iki.fi>
8933 * config/i386/djgpp.h (PREFERRED_DEBUGGING_TYPE): Define to DWARF2
8934 (TARGET_ASM_OUTPUT_IDENT): Define to default_asm_output_ident_directive
8935 (MD_EXEC_PREFIX): Remove.
8936 (MD_STARTFILE_PREFIX) Removee.
8937 (FILE_NAME_ABSOLUTE_P): Remove.
8938 (CPP_SPEC): Do not read macros from sys/version.h.
8939 (LINK_COMMAND_SPEC): Remove.
8940 (LOCAL_INCLUDE_DIR): Remove.
8941 (TARGET_ASM_NAMED_SECTION): Define to i386_djgpp_asm_named_section
8942 (TARGET_OS_CPP_BUILTINS): Add DJGPP (non ISO only), __DJGPP, __DJGPP__, unix.
8943 (POST_LINK_SPEC): Define to invoke stubify after linker
8944 (LIBSTDCXX): Remove define
8945 (DBX_REGISTER_NUMBER): Define to svr4_dbx_register_map.
8946 (DEFAULT_PCC_STRUCT_RETURN): Define to 1.
8947 (SUBTARGET_OVERRIDE_OPTIONS): Remove warning about -mbnu2210.
8948 (SUBTARGET_OVERRIDE_OPTIONS): Ignore -fPIC and generate message.
8949 (SUBTARGET_OVERRIDE_OPTIONS): Default to DWARF2 debugging info.
8950 (IX86_MAYBE_NO_LIBGCC_TFMODE): Remove.
8951 (i386_djgpp_asm_named_section): Add propotype of new procedure
8953 * config/i386/xm-djgpp.h (NATIVE_SYSTEM_HEADER_DIR): Define.
8954 (MD_EXEC_PREFIX): Define (moved from config/i386/djgpp.h).
8955 (STANDARD_STARTFILE_PREFIX_1): Define (moved from MD_STARTFILE_PREFIX
8956 in config/i386/djgpp.h).
8957 (STANDARD_STARTFILE_PREFIX_2): Define identical to
8958 STANDARD_STARTFILE_PREFIX_1.
8959 (LOCAL_INCLUDE_DIR): Define (moved from config/i386/djgpp.h).
8960 (GCC_DRIVER_HOST_INITIALIZATION): Fix reporting fatal
8961 installation errors.
8962 (MAX_OFILE_ALIGNMENT): Define to 128.
8963 (HAVE_FTW_H): Undefine as DJGPP do not have nftw, but have ftw.h.
8965 * config/i386/djgpp.c: New file. Add implementation of
8966 i386_djgpp_asm_named_section.
8968 * config/i386/djgpp.opt: Remove obsolete option -mbnu210.
8970 * config/i386/t-djgpp: New file. Add djgpp.o to EXTRA_OBJS.
8971 Add rule for building djgpp.o.
8973 2016-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
8975 * config/rs6000/rs6000.c (v2df_reduction_p): New function.
8976 (rtx_is_swappable_p): Reductions are swappable.
8977 (insn_is_swappable_p): V2DF reductions are swappable.
8979 2016-01-11 John David Anglin <danglin@gcc.gnu.org>
8981 * config/pa/pa.c (pa_emit_move_sequence): Handle floating point
8982 reloads for other unsupported memory operands.
8984 2016-01-12 Kugan Vivekanandarajah <kuganv@linaro.org>
8985 Jim Wilson <jim.wilson@linaro.org>
8988 * config/arm/arm-builtins.c (arm_expand_neon_args): Call
8989 copy_to_mode_reg instead of force_reg.
8991 2016-01-11 H.J. Lu <hongjiu.lu@intel.com>
8994 * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Set to 2 only if
8995 TARGET_80387 is true.
8997 2016-01-11 Jakub Jelinek <jakub@redhat.com>
9000 * lra-eliminations.c (move_plus_up): Only move plus up
9001 if subreg of the constant can be simplified into constant
9002 and use the simplified subreg of the constant instead of
9003 the original constant.
9005 * fold-const.c (fold_convertible_p): Don't return true
9006 for conversion of VECTOR_TYPE to same sized integral type.
9007 (fold_convert_loc): Fix up formatting. Fold conversion of
9008 VECTOR_TYPE to same sized integral type using VIEW_CONVERT_EXPR
9009 instead of NOP_EXPR.
9011 PR tree-optimization/69214
9012 * tree-vrp.c (simplify_cond_using_ranges): Don't propagate
9013 innerop into a comparison if SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
9016 PR tree-optimization/69207
9017 * tree-vect-slp.c (vect_get_constant_vectors): For
9018 VECTOR_BOOLEAN_TYPE_P, assert op has integral type instead of
9019 fold_convertible_p to vector_type's element type, and always
9020 use VCE for non-VECTOR_BOOLEAN_TYPE_P.
9022 2016-01-11 Richard Biener <rguenther@suse.de>
9024 PR tree-optimization/69173
9025 * tree-vect-loop.c (vect_fixup_scalar_cycles_with_patterns): Only
9026 fixup the cycle if all stmts are in a pattern.
9028 2016-01-11 Uros Bizjak <ubizjak@gmail.com>
9031 * alias.c (base_alias_check): Move check for addresses with
9032 alignment ANDs before the call for compare_base_decls.
9033 (memrefs_conflict_p): Return -1 for different decls
9034 that went through alignment adjustments.
9036 2016-01-11 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
9038 PR rtl-optimization/68796
9039 * config/aarch64/aarch64.md (*and<mode>_compare0): New pattern.
9040 * config/aarch64/aarch64.c (aarch64_select_cc_mode): Handle HImode
9041 and QImode comparisons against zero with CC_NZmode.
9042 * config/aarch64/iterators.md (short_mask): New mode_attr.
9044 2016-01-11 H.J. Lu <hongjiu.lu@intel.com>
9046 * config/i386/sse.md (<avx512>_load<mode>_mask): Remove snprintf.
9047 (<avx512>_store<mode>_mask): Likewise.
9049 2016-01-11 Bernd Schmidt <bschmidt@redhat.com>
9050 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
9052 PR rtl-optimization/68841
9053 * ifcvt.c (struct noce_if_info): Add orig_x field.
9054 (bbs_ok_for_cmove_arith): Add to_rename parameter.
9055 Don't record conflicts on to_rename if it's present.
9056 Allow memory destinations in sets.
9057 (noce_try_cmove_arith): Call bbs_ok_for_cmove_arith even on simple
9058 blocks, passing orig_x to the checks.
9059 (noce_process_if_block): Set if_info->orig_x appropriately.
9061 2016-01-11 Tom de Vries <tom@codesourcery.com>
9063 PR tree-optimization/69069
9064 * tree-parloops.c (create_parallel_loop): Add missing phi args.
9066 2016-01-11 Yuri Rumyantsev <ysrumyan@gmail.com>
9068 PR rtl-optimization/68920
9069 * config/i386/i386.c (ix86_option_override_internal): Restrict number
9070 of conditional moves for RTL if-conversion to 1 for
9071 TARGET_ONE_IF_CONV_INSN.
9072 * config/i386/i386.h (TARGET_ONE_IF_CONV_INSN): New macros.
9073 * config/i386/x86-tune.def (X86_TUNE_ONE_IF_CONV_INSN): New macros.
9074 * params.def (PARAM_MAX_RTL_IF_CONVERSION_INSNS) : Introduce new
9075 parameter to restirct number of conditional moves for
9077 * doc/invoke.texi (max-rtl-if-conversion-insns): Document it.
9078 * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Limit number of
9081 2016-01-11 Alexandre Oliva <aoliva@redhat.com>
9084 * var-tracking.c (drop_overlapping_mem_locs): Operate on all
9085 onepart vars. Fix typo in comment. Fix reversed condition in
9087 (dataflow_set_remove_mem_locs): Operate on all onepart vars.
9090 * var-tracking.c (dump_onepart_variable_differences): New.
9091 (dataflow_set_different): If a detailed dump is requested,
9092 delay early returns and dump differences between onepart
9093 variables present before and after, and added variables.
9095 2016-01-11 Ilya Enkovich <enkovich.gnu@gmail.com>
9098 * expr.c (expand_expr_real_1): For boolean vector constants
9099 with a scalar mode use const_scalar_mask_from_tree.
9100 (const_scalar_mask_from_tree): New.
9101 * optabs.c (expand_vec_cond_mask_expr): Use mask mode
9102 assigned to a mask type to handle constants.
9104 2016-01-11 Martin Jambor <mjambor@suse.cz>
9107 * ipa-cp.c (estimate_local_effects): Do not clone for removal of
9108 useless parameters if we cannot change function signature.
9110 2016-01-11 Martin Jambor <mjambor@suse.cz>
9113 * cgraphclones.c (duplicate_thunk_for_node): Copy can_change_signature
9116 2016-01-11 Tom de Vries <tom@codesourcery.com>
9118 PR tree-optimization/69109
9119 * tree-parloops.c (try_transform_to_exit_first_loop_alt): Don't allow
9122 2016-01-11 Tom de Vries <tom@codesourcery.com>
9124 PR tree-optimization/69108
9125 * tree-parloops.c (gather_scalar_reductions): Handle case that outer phi
9126 res is not used in a phi.
9128 2016-01-11 Yury Gribov <y.gribov@samsung.com>
9131 * common.opt (frandom-seed): Fix parameter name.
9132 * doc/invoke.texi (frandom-seed): Ditto and describe parameter.
9134 2016-01-11 Tom de Vries <tom@codesourcery.com>
9136 PR tree-optimization/69058
9137 * tree-parloops.c (pass_parallelize_loops::execute): Return 0 if libgomp
9140 2016-01-11 Andrew Burgess <andrew.burgess@embecosm.com>
9142 * config/arc/arc.opt (mdiv-rem): Add period to the end.
9143 (mcode-density): Likewise.
9145 2016-01-10 Tom de Vries <tom@codesourcery.com>
9147 PR tree-optimization/69062
9148 * tree-parloops.c (loop_has_phi_with_address_arg): New function.
9149 (parallelize_loops): Don't paralelize loop that has phi with address
9152 2016-01-10 Tom de Vries <tom@codesourcery.com>
9154 PR tree-optimization/69039
9155 * tree-parloops.c (try_create_reduction_list): Only allow single exit
9158 2016-01-09 John David Anglin <danglin@gcc.gnu.org>
9161 * match.pd: Require target has function_c99_misc before doing
9162 truncl(extend(x)) and trunc(extend(x)) -> extend(truncf(x)), etc.
9164 2016-01-09 Gerald Pfeifer <gerald@pfeifer.com>
9166 * configure.ac (isl_options_set_schedule_serialize_sccs): Also
9168 * configure: Regenerate.
9170 2016-01-09 Jakub Jelinek <jakub@redhat.com>
9173 PR tree-optimization/69097
9174 * fold-const.h (expr_not_equal_to): New prototype.
9175 * fold-const.c: Include stringpool.h and tree-ssanames.h.
9176 (expr_not_equal_to): New function.
9177 * match.pd (X % -Y is the same as X % Y): Don't optimize
9178 unless X is known not to be equal to minimum or Y is known
9179 not to be equal to -1.
9180 * tree-vrp.c (simplify_div_or_mod_using_ranges): Add GSI argument.
9181 fold TRUNC_MOD_EXPR if the second argument is not a power of two.
9182 (simplify_stmt_using_ranges): Adjust caller.
9183 (vrp_finalize): Call set_value_range on SSA_NAMEs before calling
9184 substitute_and_fold.
9186 2016-01-09 Jan Hubicka <hubicka@ucw.cz>
9188 * ipa-icf.c (sem_item_optimizer::merge_classes): Do not ICE on VAR_DECL
9191 2016-01-08 Jakub Jelinek <jakub@redhat.com>
9193 PR tree-optimization/69167
9194 * gimple-fold.c (replace_stmt_with_simplification): Also punt if
9195 new SSA_NAME_OCCURS_IN_ABNORMAL_PHI SSA_NAMEs appear in operands of
9197 * gimple-match-head.c (maybe_push_res_to_seq): Likewise.
9199 2016-01-08 Alan Lawrence <alan.lawrence@arm.com>
9200 Richard Biener <rguenther@suse.de>
9202 PR tree-optimization/68707
9203 * tree-vect-slp.c (vect_analyze_slp_instance): Cancel permuted SLP
9204 instances that can be handled via vect_load_lanes.
9206 2016-01-08 Uros Bizjak <ubizjak@gmail.com>
9208 * symtab.c (symtab_node::equal_address_to): Return -1 instead of 2
9209 if we can't determine address equivalence.
9210 * alias.c (compare_base_decl): Update for changed return value of
9211 symtab_node::equal_address_to.
9213 2016-01-08 Jason Merrill <jason@redhat.com>
9217 * function.c (assign_temp): Guard against TREE_ADDRESSABLE types here.
9218 * expr.c (store_field): Not here.
9219 * tree-cfgcleanup.c (fixup_noreturn_call): Don't clear LHS of a
9220 call with TREE_ADDRESSABLE type.
9221 * tree-cfg.c (verify_gimple_call): Adjust.
9223 2016-01-08 Olivier Hainque <hainque@adacore.com>
9225 * config/vxworks.h (VXWORKS_LIBGCC_SPEC): Don't link shared RTPs with
9228 2016-01-08 Alan Lawrence <alan.lawrence@arm.com>
9230 * gcc.target/rs6000/paired.md (reduc_smax_v2sf): Rename to...
9231 (reduc_smax_scal_v2sf): ...here, make result SFmode, extract element.
9232 (reduc_smin_v2sf): Rename to...
9233 (reduc_smin_scal_v2sf): ...here, make result SFmode, extract element.
9234 (reduc_splus_v2sf): Rename to...
9235 (reduc_plus_scal_v2sf): ...here, make result SFmode, extract element.
9237 2016-01-08 Jakub Jelinek <jakub@redhat.com>
9239 PR tree-optimization/69162
9240 * gimplify.c (gimplify_va_arg_expr): Encode original type of
9241 valist argument in another argument.
9242 (gimplify_modify_expr): Adjust for the above change. Cleanup.
9243 * tree-stdarg.c (expand_ifn_va_arg_1): Use new 3rd argument
9244 to determine the va_list type, build a MEM_REF instead of
9245 build_fold_indirect_ref.
9247 PR tree-optimization/69172
9248 * gimple-fold.c (gimple_fold_builtin_memory_chk): Pass type to
9251 2016-01-08 Thomas Preud'homme <thomas.preudhomme@arm.com>
9253 PR tree-optimization/67781
9254 * tree-ssa-math-opts.c (find_bswap_or_nop): Zero out bytes in cmpxchg
9255 and cmpnop in two steps: first the ones not accessed in original
9256 gimple expression in a endian independent way and then the ones not
9257 accessed in the final result in an endian-specific way.
9259 2016-01-08 Jakub Jelinek <jakub@redhat.com>
9261 PR tree-optimization/69083
9262 * tree-vect-slp.c (vect_get_constant_vectors): For
9263 VECTOR_BOOLEAN_TYPE_P assert op is fold_convertible_p to vector_type's
9264 element type. If op is fold_convertible_p to vector_type's element
9265 type, use NOP_EXPR instead of VCE.
9267 2016-01-08 Segher Boessenkool <segher@kernel.crashing.org>
9269 PR rtl-optimization/67778
9270 PR rtl-optimization/68634
9271 PR rtl-optimization/68909
9272 * shrink-wrap.c (try_shrink_wrapping): Add comment. Don't pop
9273 block from the stack until done with it. Remove a superfluous
9274 bitmap set. Remove a superfluous bitmap test.
9276 2016-01-07 Martin Sebor <msebor@redhat.com>
9279 * doc/extend.texi (__atomic Builtins, __sync Builtins): Document
9280 constraint on the type of arguments.
9282 2016-01-07 Andreas Tobler <andreast@gcc.gnu.org>
9284 * config/arm/freebsd.h: Rename SUBTARGET_OVERRIDE_OPTIONS to
9285 SUBTARGET_OVERRIDE_INTERNAL_OPTIONS. Adjust to check
9286 unaligned_access on the gcc_options set.
9287 * config/arm/arm.c (arm_option_override_internal): Use
9288 SUBTARGET_OVERRIDE_INTERNAL_OPTIONS.
9290 2016-01-07 Uros Bizjak <ubizjak@gmail.com>
9293 * config/i386/i386.c (ix86_frame_pointer_required): Enable
9294 frame pointer for TARGET_64BIT_MS_ABI when stack is misaligned.
9296 2016-01-07 Uros Bizjak <ubizjak@gmail.com>
9299 2016-01-06 Uros Bizjak <ubizjak@gmail.com>
9302 * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
9303 depending on frame_pointer_needed before remaining integer and SSE
9304 registers are saved.
9306 2016-01-07 Sandra Loosemore <sandra@codesourcery.com>
9309 * doc/extend.texi (Nvidia PDX Function Attributes): New section.
9311 2016-01-07 H.J. Lu <hongjiu.lu@intel.com>
9314 * config/i386/sse.md (<sse>_sqrt<mode>2<mask_name><round_name>):
9315 Use the "xBm" constraint.
9316 (float<sseintvecmodelower><mode>2<mask_name><round_name):
9318 (sse_cvtsi2ss<round_name>): Use round_nimm_scalar_predicate.
9319 (sse_cvtsi2ssq<round_name>): Likewise.
9320 (sse_cvtss2si<round_name>): Likewise.
9321 (sse_cvtss2siq<round_name>): Likewise.
9322 (sse2_cvtsi2sdq<round_name>): Likewise.
9323 (sse2_cvtsd2si<round_name>): Likewise.
9324 (sse2_cvtsd2siq<round_name>): Likewise.
9325 * config/i386/subst.md (round_nimm_scalar_predicate): New
9328 2015-12-15 Bernd Schmidt <bschmidt@redhat.com>
9331 * varasm.c (make_decl_rtl): Mark invalid register vars as
9334 PR rtl-optimization/66206
9335 * bt-load.c (find_btr_use): Change first arg to be a pointer to an rtx.
9336 All callers changed.
9338 2016-01-07 Jakub Jelinek <jakub@redhat.com>
9340 PR tree-optimization/69141
9341 * tree-ssa-pre.c: Include langhooks.h.
9342 (eliminate_dom_walker::before_dom_children): Use
9343 lang_hooks.decl_printable_name instead of
9344 cgraph_node::get ()->name ().
9347 * gimple-expr.c (copy_var_decl): If var has DECL_USER_ALIGN set, copy
9348 it and DECL_ALIGN too.
9350 2016-01-06 Robert Suchanek <robert.suchanek@imgtec.com>
9352 * config/mips/mips-ftypes.def: Sort to lexicographical order.
9354 2016-01-06 Uros Bizjak <ubizjak@gmail.com>
9357 * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
9358 depending on frame_pointer_needed before remaining integer and SSE
9359 registers are saved.
9361 2015-01-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
9363 * config/rs6000/vsx.md (*p9_vecload_<mode>): Replace VSX_M
9364 mode iterator with VSX_M2.
9365 (*p9_vecstore_<mode>): Likewise.
9366 (*vsx_le_permute_<mode>): Restrict to !TARGET_P9_VECTOR.
9367 (*vsx_le_perm_load_<mode> for VSX_LE_128): Likewise.
9368 (*vsx_le_perm_store_<mode> for VSX_LE_128): Likewise.
9369 (define_split for VSX_LE128 stores): Likewise.
9370 (define_peephole2 for TImode LE swaps): Likewise.
9371 (define_split for VSX_LE128 post-reload stores): Likewise.
9373 2016-01-06 Marek Polacek <polacek@redhat.com>
9376 * convert.c (convert_to_integer_1): Adjust call to
9377 ubsan_instrument_float_cast. Use NULL_TREE instead of NULL.
9378 * ubsan.c (ubsan_instrument_float_cast): Drop the ARG parameter. Use
9379 EXPR instead of ARG.
9380 * ubsan.h (ubsan_instrument_float_cast): Adjust declaration.
9382 2016-01-05 Sandra Loosemore <sandra@codesourcery.com>
9385 * doc/extend.texi (RL78 Variable Attributes): New section.
9387 2016-01-05 Marek Polacek <polacek@redhat.com>
9390 * builtins.c (get_memmodel): Use expansion point location rather than
9391 the input location. Call warning_at rather than warning.
9392 (expand_builtin_atomic_compare_exchange): Likewise.
9393 (expand_builtin_atomic_load): Likewise.
9394 (expand_builtin_atomic_store): Likewise.
9395 (expand_builtin_atomic_clear): Likewise.
9397 2016-01-05 H.J. Lu <hongjiu.lu@intel.com>
9400 * config/i386/i386.c (ix86_expand_vector_logical_operator):
9401 Replace nonimmediate_operand with vector_operand.
9402 * config/i386/predicates.md (vector_operand): New predicate.
9403 (general_vector_operand): Replace nonimmediate_operand with
9405 * config/i386/sse.md: Replace nonimmediate_operand with
9406 vector_operand and m constraint with Bm constraint on SSE
9407 patterns with 16-byte memory operand.
9408 * config/i386/subst.md (round_nimm_predicate): Replace
9409 nonimmediate_operand with vector_operand.
9410 (round_saeonly_nimm_predicate): Likewise.
9411 (round_saeonly_nimm_scalar_predicate): New.
9413 2016-01-05 H.J. Lu <hongjiu.lu@intel.com>
9416 * config/i386/constraints.md (Bm): New constraint.
9417 * config/i386/predicates.md (vector_memory_operand): New
9419 * config/i386/sse.md: Replace xm with xBm in plusminus and
9422 2016-01-05 Sandra Loosemore <sandra@codesourcery.com>
9425 * doc/extend.texi (V850 Function Attributes): New section.
9426 (V850 Variable Attributes): New section.
9428 2016-01-05 Sandra Loosemore <sandra@codesourcery.com>
9431 * doc/extend.texi (MicroBlaze Function Attributes): Document
9432 interrupt_handler and fast_interrupt attributes.
9434 2016-01-05 Sergei Trofimovich <siarheit@google.com>
9437 * config/ia64/ia64.c (ia64_expand_load_address): Use gprel64
9438 for local symbolic operands.
9439 * config/ia64/predicates.md (local_symbolic_operand64): New
9442 2016-01-05 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
9444 PR rtl-optimization/68651
9445 * combine.c (combine_simplify_rtx): Canonicalize x + x into
9448 2016-01-05 Nathan Sidwell <nathan@acm.org>
9450 * alias.c (compare_base_decls): Use symtab_node::get.
9452 2016-01-05 Nick Clifton <nickc@redhat.com>
9455 * ira-costs.c (copy_cost): Initialise the t_icode field of the
9456 secondary_reload_info structure.
9459 * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Define to use weak
9460 decls if weak support is available.
9462 2016-01-04 Martin Sebor <msebor@redhat.com>
9464 * doc/invoke.texi (Warning Options): Document -Winvalid-memory-model.
9466 2016-01-04 Michael Meissner <meissner@linux.vnet.ibm.com>
9468 * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Add
9469 OPTION_MASK_P9_DFORM.
9471 * config/rs6000/constraints.md (wo constraint): New constraint for
9474 * config/rs6000/rs6000.c (rs6000_debug_reg_global): Add support
9476 (rs6000_init_hard_regno_mode_ok): Likewise.
9478 * config/rs6000/rs6000.h (r6000_reg_class_enum): Add support for
9481 * config/rs6000/altivec.md (altivec_vperm_<mode>): Clean up vperm
9482 expanders not to have constraints. Add support for ISA 3.0 xxperm
9483 instruction. Add support for fusing xxlor with xxperm.
9484 (altivec_vperm_<mode>_internal): Likewise.
9485 (altivec_vperm_v8hiv16qi): Likewise.
9486 (altivec_vperm_<mode>v16q): Likewise.
9487 (altivec_vperm_<mode>_uns): Likewise.
9488 (vperm_v8hiv4si): Likewise.
9489 (vperm_v16qiv8hi): Likewise.
9491 * doc/md.texi (RS/6000 constraints): Document wo constraint.
9493 2016-01-04 Jakub Jelinek <jakub@redhat.com>
9495 Update copyright years.
9497 * gcc.c (process_command): Update copyright notice dates.
9498 * gcov-dump.c (print_version): Ditto.
9499 * gcov.c (print_version): Ditto.
9500 * gcov-tool.c (print_version): Ditto.
9501 * gengtype.c (create_file): Ditto.
9502 * doc/cpp.texi: Bump @copying's copyright year.
9503 * doc/cppinternals.texi: Ditto.
9504 * doc/gcc.texi: Ditto.
9505 * doc/gccint.texi: Ditto.
9506 * doc/gcov.texi: Ditto.
9507 * doc/install.texi: Ditto.
9508 * doc/invoke.texi: Ditto.
9510 2016-01-04 Eric Botcazou <ebotcazou@adacore.com>
9512 * config/arm/arm.c (aapcs_vfp_allocate_return_reg): Treat all integer
9513 modes larger than TImode as TImode if NEON is not enabled.
9515 2016-01-04 Eric Botcazou <ebotcazou@adacore.com>
9518 * config/sparc/sparc.h (FUNCTION_ARG_REGNO_P): Return true in 64-bit
9519 mode for %f0-%f31 only if TARGET_FPU.
9521 2016-01-04 Eric Botcazou <ebotcazou@adacore.com>
9524 * config/sparc/sparc.c (scan_record_type): Take into account subfields
9525 to compute the PACKED_P predicate.
9526 (function_arg_record_value): Minor tweaks.
9528 2016-01-04 Thomas Preud'homme <thomas.preudhomme@arm.com>
9530 * doc/install.texi (--with-multilib-list): Describe the meaning of the
9531 option for arm*-*-* targets.
9533 2016-01-03 Sandra Loosemore <sandra@codesourcery.com>
9535 * doc/extend.texi (Common Function Attributes): Move docs for
9536 MSP430-specific attributes to....
9537 (MSP430 Function Attributes): ...here. Delete the redundant
9538 entries and copy-edit the remaining text.
9539 (MSP430 Variable Attributes): Use uniform format for index
9540 entries and add a cross-reference to the corresponding function
9543 2016-01-03 Vladimír Čunát <vcunat@gmail.com>
9545 * doc/invoke.texi (RS/6000 and PowerPC Options): Fix
9547 (x86 Options): Likewise.
9549 2016-01-01 Sandra Loosemore <sandra@codesourcery.com>
9553 * extend.texi (Common Function Attributes) <no_stack_limit>: New.
9554 * invoke.texi (Code Gen Options) <-fno-stack-limit>: Add pointer
9555 to corresponding attribute.
9557 2016-01-01 Sandra Loosemore <sandra@codesourcery.com>
9559 * doc/extend.texi (Common Function Attributes) <noplt>: Move
9560 to correct alphabetization of table. Copy-edit and correct
9562 <stack_protect>: Likewise.
9563 <target_clones>: Likewise.
9565 * doc/invoke.texi (Optimize Options) <-fstack-protector-explicit>:
9566 Correct punctuation.
9567 (Code Gen Options) <-fno-plt>: Copy-edit.
9569 2016-01-01 Bernd Edlinger <bernd.edlinger@hotmail.de>
9572 * config/tilegx/tilegx.md (clzsi2): Don't create DI subregs of
9573 SI values. Explicitly convert SI to DI and vice-versa.
9575 2016-01-01 Jakub Jelinek <jakub@redhat.com>
9577 PR tree-optimization/69070
9578 * tree-ssa-math-opts.c (gimple_expand_builtin_pow): Only test
9579 REAL_VALUE_ISSIGNALING_NAN on arg0 if arg0 is a REAL_CST.
9582 * ubsan.c (ubsan_instrument_float_cast): Call
9583 initialize_sanitizer_builtins.
9586 * ifcvt.c (find_cond_trap): Give up if returnjump_p (jump).
9588 Copyright (C) 2016 Free Software Foundation, Inc.
9590 Copying and distribution of this file, with or without modification,
9591 are permitted in any medium without royalty provided the copyright
9592 notice and this notice are preserved.