1 2016-05-01 Oleg Endo <olegendo@gcc.gnu.org>
3 * config/sh/sh.h (TARGET_SH4): Remove and use default implementation.
4 (TARGET_FPU_DOUBLE): Simplify.
5 (BASE_ARG_REG, DOUBLE_TYPE_SIZE, OPTIMIZE_MODE_SWITCHING): Replace
6 'TARGET_SH4 || TARGET_SH2A_DOUBLE' conditions with 'TARGET_FPU_DOUBLE'.
7 * config/sh/sh.c: Replace 'TARGET_SH4 || TARGET_SH2A_DOUBLE' conditions
8 with 'TARGET_FPU_DOUBLE'.
9 * config/sh/sh.md: Likewise.
11 2016-05-01 Yoshinori Sato <ysato@users.sourceforge.jp>
13 * config/sh/linux.h (SH_DIV_STRATEGY_DEFAULT,
14 SH_DIV_STR_FOR_SIZE): Remove.
15 * config/sh/netbsd-elf.h (SH_DIV_STRATEGY_DEFAULT,
16 SH_DIV_STR_FOR_SIZE): Remove.
18 2016-05-01 Oleg Endo <olegendo@gcc.gnu.org>
20 * config/sh/predicates.md (any_register_operand, zero_extend_operand,
21 logical_reg_operand): Delete.
22 (arith_operand, arith_reg_dest, arith_or_int_operand, cmpsi_operand,
23 arith_reg_or_0_operand, arith_reg_or_0_or_1_operand, logical_operand,
24 logical_and_operand, movsrc_no_disp_mem_operand): Rewrite using
25 match_operand and match_test.
26 (sh_const_vec, sh_1el_vec): Remove redundant checks. Declare local
27 variables on their first use. Return bool values.
28 * config/sh/sh.h (LOAD_EXTEND_OP): Update comment.
29 * config/sh/sh.md (andsi3, iorsi3): Use arith_reg_dest for result and
30 arith_reg_operand for input operand. Remove empty constraints.
32 (*xorsi3_compact): Rename to xorsi3.
33 (zero_extend<mode>si2): Use arith_reg_operand for input operand.
34 (*zero_extend<mode>si2_disp_mem): Update comment.
37 2016-04-30 Oleg Endo <olegendo@gcc.gnu.org>
39 * config/sh/t-sh: Remove SH5 support.
40 * config.gcc: Likewise.
41 * configure: Likewise.
43 2016-04-30 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
45 * config/darwin.h (LINK_COMMAND_SPEC_A): Handle -fcilkplus.
47 2016-04-30 Oleg Endo <olegendo@gcc.gnu.org>
49 * config/sh/sh.c (register_sh_passes, sh_option_override,
50 sh_print_operand, prepare_move_operands,
51 sh_can_follow_jump): Remove TARGET_SH1 checks.
52 * config/sh/sh.h (TARGET_VARARGS_PRETEND_ARGS, VALID_REGISTER_P,
53 PROMOTE_MODE): Likewise.
54 * config/sh/sh.md (adddi3, addsi3, subdi3, subsi3, andsi3,
57 2016-04-30 Alan Modra <amodra@gmail.com>
59 * config/rs6000/rs6000.c (rs6000_savres_strategy): Force inline
60 restoring when fixed_reg_p, but allow out-of-line or stmw save.
61 Check for user regs later to avoid unnecessary looping over regs.
62 Merge user reg check with non-saved reg check. Don't force
63 inline VR restore when static chain used.
64 (rs6000_frame_related): Omit eh_frame info for user regs when
66 (fixed_regs_p): Delete.
68 2016-04-30 Alan Modra <amodra@gmail.com>
70 * config/rs6000/rs6000.c (SAVRES_MULTIPLE): Replace with..
71 (SAVE_STRATEGY, REST_STRATEGY): ..this. Renumber and sort enum.
74 2016-04-30 Alan Modra <amodra@gmail.com>
77 * config/rs6000/rs6000.c (fixed_reg_p): New function.
78 (fixed_regs_p): Rename from global_regs_p. Call fixed_reg_p.
81 2016-04-30 Alan Modra <amodra@gmail.com>
83 * config/rs6000/rs6000.c (rs6000_conditional_register_usage):
84 Remove redundant PIC_OFFSET_TABLE_REGNUM test. Replace with
85 flag_pic test for Darwin.
87 2016-04-30 Alan Modra <amodra@gmail.com>
89 * regs.h (struct reg_info_t): Delete freq_calls_crossed and
91 (REG_FREQ_CALLS_CROSSED): Delete.
92 (REG_N_THROWING_CALLS_CROSSED): Delete.
93 * regstat.c (regstat_bb_compute_ri): Don't calculate
94 REG_FREQ_CALLS_CROSSED and REG_N_THROWING_CALLS_CROSSED.
95 (dump_reg_info): Don't print call cross frequency.
96 * ira.c (combine_and_move_insns): Don't set REG_FREQ_CALLS_CROSSED
97 and REG_N_THROWING_CALLS_CROSSED.
99 2016-04-30 Alan Modra <amodra@gmail.com>
101 * regs.h (struct reg_info_t): Delete live_length.
102 (REG_LIVE_LENGTH): Delete macro.
103 * regstat.c (regstat_bb_compute_ri): Delete artificial_uses,
104 local_live, local_processed and local_live_last_luid params.
105 Replace bb_index param with bb. Don't set REG_LIVE_LENGTH.
107 (regstat_compute_ri): Adjust for above. Don't set
109 (dump_reg_info): Don't print live length.
110 * ira.c (update_equiv_regs): Replace test of REG_LIVE_LENGTH
111 with test of setjmp_crosses. Don't set REG_LIVE_LENGTH.
112 Localize loop_depth var.
114 2016-04-30 Alan Modra <amodra@gmail.com>
116 * ira.c (enum valid_equiv): New.
117 (validate_equiv_mem): Return enum.
118 (update_equiv_mem): Create replacement in more cases.
119 (add_store_equivs): Update validate_equiv_mem call.
121 2016-04-30 Alan Modra <amodra@gmail.com>
123 * ira.c (combine_and_move_insns): Rather than scanning insns,
124 use DF infrastucture to find use and def insns.
126 2016-04-30 Alan Modra <amodra@gmail.com>
128 ira.c (combine_and_move_insns): Move invariant conditions..
129 (ira.c): ..to here. Call combine_and_move_insns before
130 add_store_equivs. Call grow_reg_equivs later. Allocate
131 req_equiv later using max_reg_num() rather than global max_regno.
132 (contains_replace_regs): Delete.
133 (add_store_equivs): Remove contains_replace_regs test.
135 2016-04-30 Alan Modra <amodra@gmail.com>
137 * ira.c (struct equiv_mem_data): New.
138 (equiv_mem, equiv_mem_modified): Delete static vars.
139 (validate_equiv_mem_from_store): Use "data" param to communicate..
140 (validate_equiv_mem): ..from here.
142 2016-04-30 Alan Modra <amodra@gmail.com>
144 * ira.c (add_store_equivs, combine_and_move_insns): New functions,
146 (update_reg_equivs): ..here. Move allocation and freeing of
147 reg_equiv, and calls to grow_reg_equivs, init_alias_analysis,
148 end_alias_analysis to..
151 2016-04-30 Alan Modra <amodra@gmail.com>
153 * ira.c (pdx_subregs): Delete.
154 (struct equivalence): Add pdx_subregs field.
155 (set_paradoxical_subreg): Remove pdx_subregs param. Update
157 (update_equiv_regs): Don't create or free pdx_subregs. Update
160 2016-04-29 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
162 * config/rs6000/altivec.h: Change definitions of vec_xl and
164 * config/rs6000/rs6000-builtin.def (LD_ELEMREV_V2DF): New.
165 (LD_ELEMREV_V2DI): New.
166 (LD_ELEMREV_V4SF): New.
167 (LD_ELEMREV_V4SI): New.
168 (LD_ELEMREV_V8HI): New.
169 (LD_ELEMREV_V16QI): New.
170 (ST_ELEMREV_V2DF): New.
171 (ST_ELEMREV_V2DI): New.
172 (ST_ELEMREV_V4SF): New.
173 (ST_ELEMREV_V4SI): New.
174 (ST_ELEMREV_V8HI): New.
175 (ST_ELEMREV_V16QI): New.
178 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
179 descriptions for VSX_BUILTIN_VEC_XL and VSX_BUILTIN_VEC_XST.
180 * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Map from
181 TARGET_P9_VECTOR to RS6000_BTM_P9_VECTOR.
182 (altivec_expand_builtin): Add handling for
183 VSX_BUILTIN_ST_ELEMREV_<MODE> and VSX_BUILTIN_LD_ELEMREV_<MODE>.
184 (rs6000_invalid_builtin): Add error-checking for
185 RS6000_BTM_P9_VECTOR.
186 (altivec_init_builtins): Define builtins used to implement vec_xl
188 (rs6000_builtin_mask_names): Define power9-vector.
189 * config/rs6000/rs6000.h (MASK_P9_VECTOR): Define.
190 (RS6000_BTM_P9_VECTOR): Define.
191 (RS6000_BTM_COMMON): Include RS6000_BTM_P9_VECTOR.
192 * config/rs6000/vsx.md (vsx_ld_elemrev_v2di): New define_insn.
193 (vsx_ld_elemrev_v2df): Likewise.
194 (vsx_ld_elemrev_v4sf): Likewise.
195 (vsx_ld_elemrev_v4si): Likewise.
196 (vsx_ld_elemrev_v8hi): Likewise.
197 (vsx_ld_elemrev_v16qi): Likewise.
198 (vsx_st_elemrev_v2df): Likewise.
199 (vsx_st_elemrev_v2di): Likewise.
200 (vsx_st_elemrev_v4sf): Likewise.
201 (vsx_st_elemrev_v4si): Likewise.
202 (vsx_st_elemrev_v8hi): Likewise.
203 (vsx_st_elemrev_v16qi): Likewise.
204 * doc/extend.texi: Add prototypes for vec_xl and vec_xst. Correct
207 2016-04-29 Patrick Palka <ppalka@gcc.gnu.org>
209 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Split
211 (simplify_control_stmt_condition_1): ... here. Recurse into
212 BIT_AND_EXPRs and BIT_IOR_EXPRs.
214 2016-04-29 David Edelsohn <dje.gcc@gmail.com>
217 * config/rs6000/rs6000.md (EXTQI): Don't allow extension to HImode.
218 (zero_extendqi<mode>2_dot): Revert earlier conversion from
219 define_insn_and_split to define_insn.
220 (zero_extendqi<mode>2_dot2): Same.
221 (extendqi<mode>2_dot): Same.
222 (extendqi<mode>2_dot2): Same.
224 2016-04-29 Uros Bizjak <ubizjak@gmail.com>
226 * config/i386/i386.md (unspec): Add UNSPEC_PROBE_STACK.
227 (probe_stack): New expander.
228 (probe_stack_<mode>): New insn pattern.
230 2016-04-29 Uros Bizjak <ubizjak@gmail.com>
232 * config/i386/i386.md
233 (operations with memory inputs setting flags peephole2):
234 Remove uneeded REG_P checks. Cleanup pattern generation.
236 2016-04-29 Ilya Enkovich <ilya.enkovich@intel.com>
238 * tree-vect-loop.c (vect_transform_loop): Fix
239 nb_iterations_upper_bound computation for vectorized loop.
241 2016-04-29 Marek Polacek <polacek@redhat.com>
242 Jakub Jelinek <jakub@redhat.com>
245 * fold-const.c (tree_single_nonzero_warnv_p): For TARGET_EXPR, use
246 TARGET_EXPR_SLOT as a base.
248 2016-04-29 Andrew Burgess <andrew.burgess@embecosm.com>
250 * config/arc/arc.md (*loadqi_update): Replace use of 'rI' constraint
251 with 'rCm2' constraints to limit possible immediate size.
252 (*load_zeroextendqisi_update): Likewise.
253 (*load_signextendqisi_update): Likewise.
254 (*loadhi_update): Likewise.
255 (*load_zeroextendhisi_update): Likewise.
256 (*load_signextendhisi_update): Likewise.
257 (*loadsi_update): Likewise.
258 (*loadsf_update): Likewise.
260 2016-04-29 Uros Bizjak <ubizjak@gmail.com>
262 * config/i386/predicates.md (constm1_operand): Fix comparison.
264 2016-04-29 Claudiu Zissulescu <claziss@synopsys.com>
266 * testsuite/gcc.target/arc/ieee_eq.c: New test.
268 2016-04-29 Oleg Endo <olegendo@gcc.gnu.org>
270 * common/config/sh/sh-common.c (sh_option_optimization_table): Remove
271 remaining SH5 related settings.
272 * config/sh/sh-protos.h (shmedia_cleanup_truncate,
273 shmedia_prepare_call_address): Delete.
274 * config/sh/sh.c (sh_print_operand, output_stack_adjust,
275 DWARF_CIE_DATA_ALIGNMENT, LOCAL_ALIGNMENT): Update comments.
276 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC,
277 UNSUPPORTED_SH2A): Remove m5 checks.
278 (sh_divide_strategy_e): Remove SH5 division strategies.
279 (TARGET_PTRMEMFUNC_VBIT_LOCATION): Remove and use default.
280 * config/sh/sh.md (divsf3): Reinstate define_expand pattern.
282 2016-04-29 Dominik Vogt <vogt@linux.vnet.ibm.com>
284 * config/s390/s390.c (s390_rtx_costs): Update documentation.
286 2016-04-29 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
288 * config/s390/2964.md ("z13_unit_fxu", "z13_0"): Remove lder.
289 * config/s390/s390.md ("movsi_larl", "*movsi_esa", "mov<mode>"):
291 * config/s390/vector.md ("mov<mode>"): Likewise.
293 2016-04-29 Ulrich Weigand <uweigand@de.ibm.com>
295 * config/s390/constraints.md ("U", "W"): Invoke
296 s390_mem_constraint with "ZR" and "ZT".
297 * config/s390/s390.c (s390_check_qrst_address): Reject invalid
298 addresses when using LRA. Accept also short displacements for S
299 and T constraints. Do not check for long displacement target for
301 (s390_mem_constraint): Remove handling of U and W constraints.
302 * config/s390/s390.md (various patterns): Remove the short
303 displacement constraints (Q and R) if a long displacement
304 constraint is present. Add longdisp as required CPU capability.
305 * config/s390/vector.md: Likewise.
306 * config/s390/vx-builtins.md: Likewise.
308 2016-04-29 Senthil Kumar Selvaraj <senthil_kumar.selvaraj@atmel.com>
311 * reload1.c (reload): Call finish_spills before
312 restarting reload loop. Skip select_reload_regs
313 if update_eliminables_and_spill returns true.
315 2016-04-29 Claudiu Zissulescu <claziss@synopsys.com>
317 * config/arc/arc.h (UNSIGNED_INT12, UNSIGNED_INT16): Define.
318 * config/arc/arc.md (umulhisi3): Use arc_short_operand predicate.
319 (umulhisi3_imm): Update predicates and constraint letters.
320 (umulhisi3_reg): Declare instruction as commutative.
321 * config/arc/constraints.md (J12, J16): New constraints.
322 * config/arc/predicates.md (short_unsigned_const_operand): New
324 (arc_short_operand): Likewise.
325 * testsuite/gcc.target/arc/umulsihi3_z.c: New file.
327 2016-04-29 Richard Biener <rguenther@suse.de>
329 PR tree-optimization/13962
330 PR tree-optimization/65686
331 * tree-ssa-alias.h (ptrs_compare_unequal): Declare.
332 * tree-ssa-alias.c (ptrs_compare_unequal): New function
333 using PTA to compare pointers.
334 * match.pd: Add pattern for pointer equality compare simplification
335 using ptrs_compare_unequal.
337 2016-04-29 Richard Biener <rguenther@suse.de>
339 * stor-layout.c (layout_type): Do not build a pointer-to-element
342 2016-04-29 Uros Bizjak <ubizjak@gmail.com>
344 * config/i386/i386.md (Load+RegOp to Mov+MemOp peephole2):
345 Use SWI mode iterator. Use general_reg_operand predicate.
346 (Load+RegOp to Mov+MemOp peephole2 with vector regs): Split
347 peephole to MMX and SSE part. Use mmx_reg_operand and sse_reg_operand
350 2016-04-29 Jakub Jelinek <jakub@redhat.com>
353 * fold-const.c (operand_equal_p): Don't verify hash value equality
355 * tree.c (inchash::add_expr): Handle STATEMENT_LIST. Ignore BLOCK
358 2016-04-28 Jakub Jelinek <jakub@redhat.com>
361 * config/i386/i386.c (bdesc_special_args): Add | OPTION_MASK_ISA_64BIT
362 to __builtin_ia32_lwpval64 and __builtin_ia32_lwpins64.
363 (bdesc_args): Add | OPTION_MASK_ISA_64BIT to __builtin_ia32_bextr_u64,
364 __builtin_ia32_bextri_u64, __builtin_ia32_bzhi_di,
365 __builtin_ia32_pdep_di and __builtin_ia32_pext_di.
367 2016-04-28 Segher Boessenkool <segher@kernel.crashing.org>
369 * config/rs6000/rs6000.c (compute_save_world_info): Rename info_ptr
370 to info. Don't initialize separate fields to 0. Clean up
373 2016-04-28 Uros Bizjak <ubizjak@gmail.com>
375 * config/i386/i386.md (peephole2s for operations with memory inputs):
376 Use SWI mode iterator.
377 (peephole2s for operations with memory outputs): Ditto.
378 Do not check for stack checking probe.
380 (probe_stack): Remove expander.
382 2016-04-28 Joern Rennecke <joern.rennecke@embecosm.com>
383 Andrew Burgess <andrew.burgess@embecosm.com>
385 * config/arc/arc.c (arc_print_operand): Print integer 'H' / 'L'
388 2016-04-28 Jason Merrill <jason@redhat.com>
390 * gdbinit.in: Skip line-map.h.
392 2016-04-28 Joern Rennecke <joern.rennecke@embecosm.com>
393 Andrew Burgess <andrew.burgess@embecosm.com>
395 * config/arc/arc.c (arc_conditional_register_usage): Take
396 TARGET_RRQ_CLASS into account.
397 (arc_print_operand): Support printing 'p' and 's' operands.
398 * config/arc/arc.h (TARGET_NPS_BITOPS_DEFAULT): Provide default
400 (TARGET_RRQ_CLASS): Define.
401 (IS_POWEROF2_OR_0_P): Define.
402 * config/arc/arc.md (*movsi_insn): Add w/Clo, w/Chi, and w/Cbi
404 (*tst_movb): New define_insn.
405 (*tst): Avoid recognition if it could prevent '*tst_movb'
406 combination; replace c/CnL with c/Chs alternative.
407 (*tst_bitfield_tst): New define_insn.
408 (*tst_bitfield_asr): New define_insn.
409 (*tst_bitfield): New define_insn.
410 (andsi3_i): Add Rrq variant.
411 (extzv): New define_expand.
412 (insv): New define_expand.
413 (*insv_i): New define_insn.
414 (*movb): New define_insn.
415 (*movb_signed): New define_insn.
416 (*movb_high): New define_insn.
417 (*movb_high_signed): New define_insn.
418 (*movb_high_signed + 1): New define_split pattern.
419 (*mrgb): New define_insn.
420 (*mrgb + 1): New define_peephole2 pattern.
421 (*mrgb + 2): New define_peephole2 pattern.
422 * config/arc/arc.opt (mbitops): New option for nps400, uses
423 TARGET_NPS_BITOPS_DEFAULT.
424 * config/arc/constraints.md (q): Make register class conditional.
425 (Rrq): New register constraint.
426 (Chs): New constraint.
427 (Clo): New constraint.
428 (Chi): New constraint.
429 (Cbf): New constraint.
430 (Cbn): New constraint.
431 (C18): New constraint.
432 (Cbi): New constraint.
434 2016-04-28 Segher Boessenkool <segher@kernel.crashing.org>
436 * cfganal.c (bitmap_intersection_of_succs): Delete assert checking
438 (bitmap_intersection_of_preds): Ditto.
439 (bitmap_union_of_succs): Ditto.
440 (bitmap_union_of_preds): Ditto.
441 * sbitmap.c (do_popcount): Delete.
442 (BITMAP_DEBUGGING): Delete.
443 (sbitmap_verify_popcount): Delete.
444 (sbitmap_alloc): Don't initialize the popcount field.
445 (sbitmap_alloc_with_popcount): Delete.
446 (sbitmap_resize): Don't resize the popcount array.
447 (sbitmap_vector_alloc): Don't initialize the popcount field.
448 (bitmap_copy): Don't copy the popcount array.
449 (bitmap_clear): Don't clear the popcount array.
450 (bitmap_clear): Delete the popcount array handling.
451 (bitmap_ior_and_compl): Delete the popcount assert.
453 (bitmap_and_compl): Ditto.
454 (bitmap_and): Delete the popcount array handling.
457 (bitmap_or_and): Delete the popcount assert.
458 (bitmap_and_or): Ditto.
459 (popcount_table): Delete.
460 (sbitmap_elt_popcount): Delete.
461 * sbitmap.h (simple_bitmap_def): Delete the popcount field.
462 (bitmap_set_bit): Delete the popcount assert.
463 (bitmap_clear_bit): Ditto.
464 (sbitmap_free): Don't free the popcount array.
465 (sbitmap_alloc_with_popcount): Delete declaration.
466 (sbitmap_popcount): Ditto.
468 2016-04-28 Joern Rennecke <joern.rennecke@embecosm.com>
469 Andrew Burgess <andrew.burgess@embecosm.com>
471 * config/arc/arc.h (SYMBOL_FLAG_CMEM): Define.
472 (TARGET_NPS_CMEM_DEFAULT): Provide default definition.
473 * config/arc/arc.c (arc_address_cost): Return 0 for cmem_address.
474 (arc_encode_section_info): Set SYMBOL_FLAG_CMEM where indicated.
475 * config/arc/arc.opt (mcmem): New option.
476 * config/arc/arc.md (*extendqihi2_i): Add r/Uex alternative,
477 supply length for r/m alternative.
478 (*extendqisi2_ac): Likewise.
479 (*extendhisi2_i): Add r/Uex alternative, supply length for r/m and
481 (movqi_insn): Add r/Ucm and Ucm/?Rac alternatives.
482 (movhi_insn): Likewise.
483 (movsi_insn): Add r/Ucm,Ucm/w alternatives.
484 (*zero_extendqihi2_i): Add r/Ucm alternative.
485 (*zero_extendqisi2_ac): Likewise.
486 (*zero_extendhisi2_i): Likewise.
487 * config/arc/constraints.md (Uex): New memory constraint.
488 (Ucm): New define_constraint.
489 * config/arc/predicates.md (long_immediate_loadstore_operand):
490 Return 0 for MEM with cmem_address address.
491 (cmem_address_0): New predicates.
492 (cmem_address_1): Likewise.
493 (cmem_address_2): Likewise.
494 (cmem_address): Likewise.
496 2016-04-28 Segher Boessenkool <segher@kernel.crashing.org>
498 * config/rs6000/rs6000.c (machine_function): Rename
499 insn_chain_scanned_p to spe_insn_chain_scanned_p.
500 (rs6000_stack_info): Adjust.
502 2016-04-28 Joern Rennecke <joern.rennecke@embecosm.com>
503 Andrew Burgess <andrew.burgess@embecosm.com>
505 * config/arc/constraints.md (Usd): Convert to define_constraint.
509 2016-04-28 Jakub Jelinek <jakub@redhat.com>
512 * config/i386/sync.md (define_peephole2 *atomic_fetch_add_cmp<mode>):
513 Add new peephole2 where the first insn is *mov<mode>_or instead of
516 2016-04-28 Segher Boesssenkool <segher@kernel.crashing.org>
518 * tracer.c (bb_seen): Make static.
520 2016-04-28 Andrew Burgess <andrew.burgess@embecosm.com>
522 * common/config/arc/arc-common.c (arc_handle_option): Add NPS400
523 support, setup defaults.
524 * config/arc/arc-opts.h (enum processor_type): Add NPS400.
525 * config/arc/arc.c (arc_init): Add NPS400 support.
526 * config/arc/arc.h (CPP_SPEC): Add NPS400 defines.
527 (TARGET_ARC700): NPS400 is also an ARC700.
528 * config/arc/arc.opt: Add NPS400 options to -mcpu=.
530 2016-04-28 Segher Boessenkool <segher@kernel.crashing.org>
533 * config/nds32/nds32.md (casesi): Don't access the operands array
536 2016-04-28 Uros Bizjak <ubizjak@gmail.com>
538 * config/i386/i386.md (zeroing peephole2): Use general_reg_operand.
539 (or $-1,reg peephole2): Ditto.
540 (strict_low_part zeroing peephole2): Use SWI12 mode iterator.
542 2016-04-28 Markus Trippelsdorf <markus@trippelsdorf.de>
544 * doc/extend.texi (Common Function Attributes) [optimize]:
545 Discourage use of the optimize attribute.
547 2016-04-28 Bill Seurer <seurer@linux.vnet.ibm.com>
549 * config/rs6000/rs6000-builtin.def (vec_adde): Change vec_adde to a
550 special case builtin.
551 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Remove
552 ALTIVEC_BUILTIN_VEC_ADDE.
553 * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Add
554 support for ALTIVEC_BUILTIN_VEC_ADDE.
555 * config/rs6000/rs6000.c (altivec_init_builtins): Add definition
556 for __builtin_vec_adde.
558 2016-04-28 Jakub Jelinek <jakub@redhat.com>
560 * config/i386/i386.md (sse4_1_round<mode>2): Add avx512f alternative.
561 * config/i386/sse.md (sse4_1_round<ssescalarmodesuffix>): Likewise.
563 2016-04-28 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
566 * doc/sourcebuild.texi (Effective-Target Keywords, Other
567 attributes): Document cilkplus_runtime.
569 2016-04-28 Martin Jambor <mjambor@suse.cz>
571 * tree-cfg.c (verify_expr): Verify that local declarations belong to
572 this function. Call verify_expr on MEM_REFs and bases of other
575 2016-04-28 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
577 * internal-fn.c (expand_arith_overflow): Convert preprocessor check
578 for WORD_REGISTER_OPERATIONS to runtime check.
580 2016-04-28 Claudiu Zissulescu <claziss@synopsys.com>
582 * config/arc/arc.h (ASM_SPEC): Pass mfpuda to assembler.
584 2016-04-28 Claudiu Zissulescu <claziss@synopsys.com>
586 * config/arc/arc.c (arc_process_double_reg_moves): Fix for
587 big-endian compilation.
588 * config/arc/arc.md (addf3): Likewise.
592 2016-04-28 Richard Biener <rguenther@suse.de>
594 PR tree-optimization/70840
595 * match.pd: powi(-x, y) and powi(|x|,y) -> powi(x,y) if y is even;
596 Fix pow(copysign(x, y), z) -> pow(x, z) and add powi variant;
597 Mark x * pow(x,c) -> pow(x,c+1) commutative.
598 Add powi(x,y) * powi(z,y) -> powi(x*z,y).
600 2015-04-28 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
602 * config/aarch64/aarch64.h (WORD_REGISTER_OPERATIONS): Define to 0
603 and explain why in a comment.
605 2016-04-28 Claudiu Zissulescu <claziss@synopsys.com>
607 * config/arc/arc.md (cpu_facility): Add fpx variant.
608 (subdf3): Prohibit use reverse sub when assist operations option
610 * config/arc/fpx.md (subdf3_insn, *dsubh_peep2_insn): Allow drsub
611 instructions only when FPX is enabled.
612 * testsuite/gcc.target/arc/trsub.c: New test.
614 2016-04-28 Uros Bizjak <ubizjak@gmail.com>
616 * config/i386/i386.md (*fop_<mode>_1_mixed): Do not check for
617 mult_operator when calculating "type" attribute.
618 (*fop_<mode>_1_i387): Ditto.
619 (*fop_xf_1_i387): Ditto.
620 (x87 stack loads peephole2): Add "reg = op (mem, reg)" peephole2.
621 Use std::swap to swap operands. Use RTL expressions to generate
624 2016-04-28 Claudiu Zissulescu <claziss@synopsys.com>
625 Joern Rennecke <joern.rennecke@embecosm.com>
627 * config/arc/arc-protos.h (arc_legitimize_pic_address): Remove
629 (emit_pic_move): Remove.
630 (arc_eh_uses, insn_is_tls_gd_dispatch): Declare.
631 * config/arc/arc.c (emit_pic_move): Removed.
632 (TARGET_HAVE_TLS): Define.
633 (arc_conditional_register_usage): Test for arc_tp_regno.
634 (arc_print_operand, arc_print_operand_address): Handle TLS
636 (arc_needs_pcl_p): New function.
637 (arc_legitimate_pc_offset_p): Use arc_needs_pcl_p.
638 (arc_legitimate_pic_addr_p): Handle TLS unspecs.
639 (arc_raw_symbolic_reference_mentioned_p): Likewise.
640 (arc_get_tp, arc_emit_call_tls_get_addr): New function.
641 (arc_legitimize_tls_address): Likewise.
642 (DTPOFF_ZERO_SYM): Define.
643 (arc_legitimize_pic_address): Make it static, handle TLS cases.
644 (arc_output_pic_addr_const): Print TLS unspecs.
645 (prepare_pic_move): New function, replaces emit_pic_move.
646 (arc_legitimate_constant_p): Handle TLS unspecs.
647 (arc_legitimate_address_p): Likewise.
648 (arc_rewrite_small_data_p): Use assert for TLS constants.
649 (prepare_move_operands): Use prepare_pic_move.
650 (arc_legitimize_address): Legitimize tls addresses.
651 (arc_epilogue_uses): Check for arc_tp_regno.
652 (arc_eh_uses, insn_is_tls_gd_dispatch): New function.
653 * config/arc/arc.h [DEFAULT_LIBC != LIBC_UCLIBC] (EXTRA_SPECS):
655 [DEFAULT_LIBC != LIBC_UCLIBC] (ARC_TLS_EXTRA_START_SPEC):
657 [DEFAULT_LIBC != LIBC_UCLIBC] (STARTFILE_SPEC): Add
658 %(arc_tls_extra_start_spec).
659 (TARGET_CPU_CPP_BUILTINS): Define __ARC_TLS_REGNO__.
660 (REGNO_OK_FOR_BASE_P): Check for arc_tp_regno.
662 (INSN_REFERENCES_ARE_DELAYED): Use insn_is_tls_gd_dispatch.
663 * config/arc/arc.md (UNSPEC_TLS_GD, UNSPEC_TLS_LD, UNSPEC_TLS_IE)
664 (UNSPEC_TLS_OFF): Add.
666 (tls_load_tp_soft, tls_gd_load, tls_gd_get_addr, tls_gd_dispatch)
667 (get_thread_pointersi): New patterns.
668 * config/arc/arc.opt (mtp-regno): New option.
669 * config/arc/predicates.md (move_src_operand): Handle TLS symbols.
670 (move_dest_operand): Likewise.
671 * configure: Regenerate.
672 * configure.ac: Add arc*-*-* case to test for tls.
673 * doc/invoke.texi (ARC options): Document mtp-regno.
675 2016-04-28 Claudiu Zissulescu <claziss@synopsys.com>
677 * config/arc/arc.c (arc_vector_mode_supported_p): Add support for
678 the new ARC HS SIMD instructions.
679 (arc_preferred_simd_mode): New function.
680 (arc_autovectorize_vector_sizes): Likewise.
681 (TARGET_VECTORIZE_PREFERRED_SIMD_MODE)
682 (TARGET_VECTORIZE_AUTOVECTORIZE_VECTOR_SIZES): Define.
683 (arc_init_reg_tables): Accept new ARC HS SIMD modes.
684 (arc_init_builtins): Add new SIMD builtin types.
685 (arc_split_move): Handle 64 bit vector moves.
686 * config/arc/arc.h (TARGET_PLUS_DMPY, TARGET_PLUS_MACD)
687 (TARGET_PLUS_QMACW): Define.
688 * config/arc/builtins.def (QMACH, QMACHU, QMPYH, QMPYHU, DMACH)
689 (DMACHU, DMPYH, DMPYHU, DMACWH, DMACWHU, VMAC2H, VMAC2HU, VMPY2H)
690 (VMPY2HU, VADDSUB2H, VSUBADD2H, VADDSUB, VSUBADD, VADDSUB4H)
691 (VSUBADD4H): New builtins.
692 * config/arc/simdext.md: Add new ARC HS SIMD instructions.
693 * testsuite/gcc.target/arc/builtin_simdarc.c: New file.
695 2016-04-28 Eduard Sanou <dhole@openmailbox.org>
696 Matthias Klose <doko@debian.org>
698 * doc/cppenv.texi: Document SOURCE_DATE_EPOCH environment variable.
700 2016-04-28 Richard Biener <rguenther@suse.de>
703 * fold-const.c (fold_binary_loc): Remove x*x to pow(x,2.0)
706 2016-04-28 Oleg Endo <olegendo@gcc.gnu.org>
708 * common/config/sh/sh-common.c: Remove SH5 support.
709 * config/sh/constraints.md: Likewise.
710 * config/sh/config/sh/elf.h: Likewise.
711 * config/sh/linux.h: Likewise.
712 * config/sh/netbsd-elf.h: Likewise.
713 * config/sh/predicates.md: Likewise.
714 * config/sh/sh-c.c: Likewise.
715 * config/sh/sh-protos.h: Likewise.
716 * config/sh/sh.c: Likewise.
717 * config/sh/sh.h: Likewise.
718 * config/sh/sh.md: Likewise.
719 * config/sh/sh.opt: Likewise.
720 * config/sh/sync.md: Likewise.
721 * config/sh/sh64.h: Delete.
722 * config/sh/shmedia.h: Likewise.
723 * config/sh/shmedia.md: Likewise.
724 * config/sh/sshmedia.h: Likewise.
725 * config/sh/t-netbsd-sh5-64: Likewise.
726 * config/sh/t-sh64: Likewise.
727 * config/sh/ushmedia.h: Likewise.
729 2016-04-28 Uros Bizjak <ubizjak@gmail.com>
731 * config/i386/i386.md (sign_extend to memory peephole2s): Use
732 general_reg_operand instead of register_operand predicate.
734 2016-04-27 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
736 * params.def (MIN_PARTITION_SIZE): Set default value to 10000.
738 2016-04-27 Marc Glisse <marc.glisse@inria.fr>
740 * match.pd (A - B > A, A + B < A): New transformations.
742 2016-04-27 Patrick Palka <ppalka@gcc.gnu.org>
744 * genattrtab.c (write_test_expr): New parameter EMIT_PARENS
745 which defaults to true. Emit an outer pair of parentheses only if
746 EMIT_PARENS. When continuing a chain of && or || (or & or |),
747 don't emit parentheses for the right-hand operand.
749 2016-04-27 Jeff Law <law@redhat.com>
751 * tree-ssa-dom.c (record_temporary_equivalences): Fix typo in comment.
753 2016-04-27 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
755 * config/rs6000/altivec.md (altivec_lvx_<mode>): Remove.
756 (altivec_lvx_<mode>_internal): Document.
757 (altivec_lvx_<mode>_2op): New define_insn.
758 (altivec_lvx_<mode>_1op): Likewise.
759 (altivec_lvx_<mode>_2op_si): Likewise.
760 (altivec_lvx_<mode>_1op_si): Likewise.
761 (altivec_stvx_<mode>): Remove.
762 (altivec_stvx_<mode>_internal): Document.
763 (altivec_stvx_<mode>_2op): New define_insn.
764 (altivec_stvx_<mode>_1op): Likewise.
765 (altivec_stvx_<mode>_2op_si): Likewise.
766 (altivec_stvx_<mode>_1op_si): Likewise.
767 * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
768 Expand vec_ld and vec_st during parsing.
769 * config/rs6000/rs6000.c (altivec_expand_lvx_be): Commentary
771 (altivec_expand_stvx_be): Likewise.
772 (altivec_expand_lv_builtin): Expand lvx built-ins to expose the
773 address-masking behavior in RTL.
774 (altivec_expand_stv_builtin): Expand stvx built-ins to expose the
775 address-masking behavior in RTL.
776 (altivec_expand_builtin): Change builtin code arguments for calls
777 to altivec_expand_stv_builtin and altivec_expand_lv_builtin.
778 (insn_is_swappable_p): Avoid incorrect swap optimization in the
779 presence of lvx/stvx patterns.
780 (alignment_with_canonical_addr): New function.
781 (alignment_mask): Likewise.
782 (find_alignment_op): Likewise.
783 (recombine_lvx_pattern): Likewise.
784 (recombine_stvx_pattern): Likewise.
785 (recombine_lvx_stvx_patterns): Likewise.
786 (rs6000_analyze_swaps): Perform a pre-pass to recognize lvx and
787 stvx patterns from expand.
788 * config/rs6000/vector.md (vector_altivec_load_<mode>): Use new
790 (vector_altivec_store_<mode>): Likewise.
792 2016-04-26 Evandro Menezes <e.menezes@samsung.com>
794 * config/aarch64/aarch64.md
795 (*movhf_aarch64): Add "movi %0, #0" to zero up register and
796 remove the "fp" attributes.
797 (*movsf_aarch64): Add "movi %0, #0" to zero up register and
798 add the "simd" attributes.
799 (*movdf_aarch64): Likewise.
800 (*movtf_aarch64): Remove the "fp" attributes.
801 * testsuite/gcc.target/aarch64/fmovf-zero-reg.c: Update accordingly.
802 * testsuite/gcc.target/aarch64/fmovd-zero-reg.c: Likewise.
804 2016-04-27 David Malcolm <dmalcolm@redhat.com>
806 * emit-rtl.c (maybe_set_first_label_num): Strengthen param from
807 rtx to rtx_code_label *.
808 * rtl.h (maybe_set_first_label_num): Likewise.
810 2016-04-27 David Malcolm <dmalcolm@redhat.com>
812 * df-core.c (df_add_problem): Make the problem param be const.
813 (df_remove_problem): Make local "problem" be const.
814 * df-problems.c (problem_RD): Make const.
815 (problem_LR): Likewise.
816 (problem_LIVE): Likewise.
817 (problem_MIR): Likewise.
818 (problem_CHAIN): Likewise.
819 (problem_WORD_LR): Likewise.
820 (problem_NOTE): Likewise.
821 (problem_MD): Likewise.
822 * df-scan.c (problem_SCAN): Likewise.
823 * df.h (struct df_problem): Make field "dependent_problem" be
825 (struct dataflow): Likewise for field "problem".
826 (df_add_problem): Make param const.
828 2016-04-27 Uros Bizjak <ubizjak@gmail.com>
830 * config/i386/i386.c (ix86_spill_class): Enable for TARGET_SSE2 when
831 inter-unit moves to/from vector registers are enabled. Do not disable
834 2016-04-27 David Malcolm <dmalcolm@redhat.com>
836 * df.h (DF_SCAN, DF_LR, DF_LIVE, DF_RD, DF_CHAIN, DF_WORD_LR,
837 DF_NOTE, DF_MD, DF_MIR, DF_LAST_PROBLEM_PLUS1): Convert from
839 (enum df_problem_id): ...this new enum.
840 (struct df_problem): Convert field "id" from "int" to
843 2016-04-27 David Malcolm <dmalcolm@redhat.com>
845 * rtl.def: Update comment for "things in the instruction chain" to
846 reflect the removal of the leading "i" field for INSN_UID in
847 r210360. Fix bogus apostrophe.
849 2016-04-27 Uros Bizjak <ubizjak@gmail.com>
851 * config/i386/i386.md
852 (lea arith with mem operand + setcc peephole2): Set operator mode.
854 2016-04-27 H.J. Lu <hongjiu.lu@intel.com>
857 * config/i386/i386.c (scalar_to_vector_candidate_p): Renamed to ...
858 (dimode_scalar_to_vector_candidate_p): This.
859 (timode_scalar_to_vector_candidate_p): New function.
860 (scalar_to_vector_candidate_p): Likewise.
861 (timode_check_non_convertible_regs): Likewise.
862 (timode_remove_non_convertible_regs): Likewise.
863 (remove_non_convertible_regs): Likewise.
864 (remove_non_convertible_regs): Renamed to ...
865 (dimode_remove_non_convertible_regs): This.
866 (scalar_chain::~scalar_chain): Make it virtual.
867 (scalar_chain::compute_convert_gain): Make it pure virtual.
868 (scalar_chain::mark_dual_mode_def): Likewise.
869 (scalar_chain::convert_insn): Likewise.
870 (scalar_chain::convert_registers): Likewise.
871 (scalar_chain::add_to_queue): Make it protected.
872 (scalar_chain::emit_conversion_insns): Likewise.
873 (scalar_chain::replace_with_subreg): Likewise.
874 (scalar_chain::replace_with_subreg_in_insn): Likewise.
875 (scalar_chain::convert_op): Likewise.
876 (scalar_chain::convert_reg): Likewise.
877 (scalar_chain::make_vector_copies): Likewise.
878 (scalar_chain::convert_registers): New pure virtual function.
879 (class dimode_scalar_chain): New class.
880 (class timode_scalar_chain): Likewise.
881 (scalar_chain::mark_dual_mode_def): Renamed to ...
882 (dimode_scalar_chain::mark_dual_mode_def): This.
883 (timode_scalar_chain::mark_dual_mode_def): New function.
884 (timode_scalar_chain::convert_insn): Likewise.
885 (dimode_scalar_chain::convert_registers): Likewise.
886 (scalar_chain::compute_convert_gain): Renamed to ...
887 (dimode_scalar_chain::compute_convert_gain): This.
888 (scalar_chain::replace_with_subreg): Renamed to ...
889 (dimode_scalar_chain::replace_with_subreg): This.
890 (scalar_chain::replace_with_subreg_in_insn): Renamed to ...
891 (dimode_scalar_chain::replace_with_subreg_in_insn): This.
892 (scalar_chain::make_vector_copies): Renamed to ...
893 (dimode_scalar_chain::make_vector_copies): This.
894 (scalar_chain::convert_reg): Renamed to ...
895 (dimode_scalar_chain::convert_reg ): This.
896 (scalar_chain::convert_op): Renamed to ...
897 (dimode_scalar_chain::convert_op): This.
898 (scalar_chain::convert_insn): Renamed to ...
899 (dimode_scalar_chain::convert_insn): This.
900 (scalar_chain::convert): Call convert_registers.
901 (convert_scalars_to_vector): Change to scalar_chain pointer to
902 use timode_scalar_chain in 64-bit mode and dimode_scalar_chain
903 in 32-bit mode. Delete scalar_chain pointer. Call
904 free_dominance_info in 64-bit mode.
905 (pass_stv::gate): Remove TARGET_64BIT check.
906 (ix86_option_override): Put the 64-bit STV pass before the CSE
909 2016-04-27 Pierre-Marie de Rodat <derodat@adacore.com>
911 * dwarf2out.h (struct dw_loc_descr_node): Remove the
912 dw_loc_frame_offset field.
913 * dwarf2out.c (new_loc_descr): Likewise.
914 (resolve_args_picking_1): Turn the VISITED hash set into a
915 FRAME_OFFSET hash map. Use it to associate a frame offset to
916 visited nodes. Remove uses of the CHECKING_P macro.
917 (resolve_args_picking): Update call to resolve_args_picking_1.
919 2016-04-27 Martin Liska <mliska@suse.cz>
921 * tree-ssa-loop-ivopts.c (iv_ca_dump): Fix level of indentation.
922 (free_loop_data): Release vuses of groups.
924 2016-04-27 Bin Cheng <bin.cheng@arm.com>
926 * tree-ssa-loop-ivopts.c (struct iv): Use pointer to struct iv_use
927 instead of redundant use_id and boolean have_use_for.
928 (struct iv_use): Change sub_id into group_id. Remove field next.
929 Move fields: related_cands, n_map_members, cost_map and selected
931 (struct iv_group): ... here. New structure.
932 (struct iv_common_cand): Use structure declaration directly.
933 (struct ivopts_data, iv_ca, iv_ca_delta): Rename fields.
934 (MAX_CONSIDERED_USES): Rename macro to ...
935 (MAX_CONSIDERED_GROUPS): ... here.
936 (n_iv_uses, iv_use, n_iv_cands, iv_cand): Delete.
937 (dump_iv, dump_use, dump_cand): Refactor format of dump information.
938 (dump_uses): Rename to ...
939 (dump_groups): ... here. Update all uses.
940 (tree_ssa_iv_optimize_init, alloc_iv): Update all uses.
941 (find_induction_variables): Refactor format of dump information.
942 (record_sub_use): Delete.
943 (record_use): Update all uses.
944 (record_group): New function.
945 (record_group_use, find_interesting_uses_op): Call above functions.
947 (find_interesting_uses_cond): Ditto.
948 (group_compare_offset): New function.
949 (split_all_small_groups): Rename to ...
950 (split_small_address_groups_p): ... here. Update all uses.
951 (split_address_groups): Update all uses.
952 (find_interesting_uses): Refactor format of dump information.
953 (add_candidate_1): Update all uses. Remove redundant check on iv,
955 (add_candidate, record_common_cand): Remove redundant assert.
956 (add_iv_candidate_for_biv): Update use.
957 (add_iv_candidate_derived_from_uses): Update all uses.
958 (add_iv_candidate_for_groups, record_important_candidates): Ditto.
959 (alloc_use_cost_map): Ditto.
960 (set_use_iv_cost, get_use_iv_cost): Rename to ...
961 (set_group_iv_cost, get_group_iv_cost): ... here. Update all uses.
962 (determine_use_iv_cost_generic): Ditto.
963 (determine_group_iv_cost_generic): Ditto.
964 (determine_use_iv_cost_address): Ditto.
965 (determine_group_iv_cost_address): Ditto.
966 (determine_use_iv_cost_condition): Ditto.
967 (determine_group_iv_cost_cond): Ditto.
968 (determine_use_iv_cost): Ditto.
969 (determine_group_iv_cost): Ditto.
970 (set_autoinc_for_original_candidates): Update all uses.
971 (find_iv_candidates): Update all uses. Refactor dump information.
972 (determine_use_iv_costs): Ditto.
973 (determine_iv_costs): Ditto.
974 (iv_ca_cand_for_use): Rename to ...
975 (iv_ca_cand_for_group): ... here. Update all uses.
976 (iv_ca_add_use, iv_ca_add_group): Ditto.
977 (iv_ca_set_cp, iv_ca_cost, iv_ca_delta_add): Update all uses.
978 (iv_ca_delta_join, iv_ca_delta_reverse, iv_ca_delta_free): Ditto.
979 (iv_ca_new, iv_ca_dump, iv_ca_extend, iv_ca_narrow): Ditto.
980 (iv_ca_prune, cheaper_cost_with_cand, iv_ca_replace): Ditto.
981 (try_add_cand_for, try_improve_iv_set, find_optimal_iv_set): Ditto.
982 (create_new_iv, adjust_iv_update_pos): Ditto.
983 (rewrite_use_address): Delete.
984 (rewrite_use_address_1): Rename to ...
985 (rewrite_use_address): ... here.
986 (rewrite_use_compare): Update all uses.
987 (rewrite_use): Delete.
988 (rewrite_uses): Rename to ...
989 (rewrite_groups): ... here. Update all uses.
990 (remove_unused_ivs, free_loop_data): Update all uses.
991 (tree_ssa_iv_optimize_finalize, tree_ssa_iv_optimize_loop): Ditto.
993 2016-04-27 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
995 * rtlanal.c (nonzero_bits1): Convert preprocessor check
996 for WORD_REGISTER_OPERATIONS to runtime check.
998 2016-04-27 Richard Biener <rguenther@suse.de>
1001 * tree-ssa-structalias.c (find_func_aliases_for_call): Use
1002 aggregate_value_p to determine if a function result is
1003 returned by reference.
1004 (ipa_pta_execute): Functions having their address taken are
1005 not automatically nonlocal.
1007 2016-04-27 Jakub Jelinek <jakub@redhat.com>
1010 * tree-core.h (enum operand_equal_flag): Add OEP_NO_HASH_CHECK.
1011 * fold-const.c (operand_equal_p): If flag_checking and
1012 OEP_NO_HASH_CHECK is not set in flag, recurse with OEP_NO_HASH_CHECK
1013 and if it returns non-zero, assert iterative_hash_expr on both
1016 2016-04-27 Bernd Schmidt <bschmidt@redhat.com>
1018 * doc/invoke.texi (-frename-registers): Also enabled at -Os.
1020 2016-04-27 Nick Clifton <nickc@redhat.com>
1023 * varasm.c (merge_weak): Generate an error if an attempt is made
1024 to convert a non-weak static function into a weak, public function.
1026 2016-04-27 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
1028 * params.def (MAX_PARTITION_SIZE): New param.
1029 * doc/invoke.texi: Document lto-max-partition.
1031 2016-04-27 Richard Biener <rguenther@suse.de>
1034 * tree-ssa-structalias.c (refered_from_nonlocal_fn): New
1035 function cummulating used_from_other_partition, externally_visible
1036 and force_output from aliases.
1037 (refered_from_nonlocal_var): Likewise.
1038 (ipa_pta_execute): Use call_for_symbol_and_aliases to cummulate
1039 node flags properly.
1041 2016-04-27 Bernd Schmidt <bschmidt@redhat.com>
1043 * doc/invoke.texi (Warning Options): Add -Wmemset-elt-size.
1044 (-Wmemset-elt-size): New item.
1046 2016-04-27 Eric Botcazou <ebotcazou@adacore.com>
1049 * stor-layout.h (internal_reference_types): Delete.
1050 * stor-layout.c (reference_types_internal): Likewise.
1051 (internal_reference_types): Likewise.
1052 (layout_type) <REFERENCE_TYPE>: Adjust.
1054 2016-04-27 Jakub Jelinek <jakub@redhat.com>
1057 * tree.h (inchash::add_expr): Add FLAGS argument.
1058 * tree.c (inchash::add_expr): Likewise. If not OEP_ADDRESS_OF,
1059 use STRIP_NOPS first. For INTEGER_CST assert not OEP_ADDRESS_OF.
1060 For REAL_CST and !HONOR_SIGNED_ZEROS (t) hash +/- 0 the same.
1061 Formatting fix. Adjust recursive calls. For tcc_comparison,
1062 if swap_tree_comparison (code) is smaller than code, hash that
1063 and arguments in the other order. Hash CONVERT_EXPR the same
1064 as NOP_EXPR. For OEP_ADDRESS_OF hash MEM_REF with 0 offset
1065 of ADDR_EXPR of decl as the decl itself. Add or remove
1066 OEP_ADDRESS_OF from recursive flags as needed. For
1067 FMA_EXPR, WIDEN_MULT_{PLUS,MINUS}_EXPR hash the first two
1068 operands commutatively and only the third one normally.
1069 For internal CALL_EXPR hash in CALL_EXPR_IFN.
1071 2016-04-27 Sebastian Huber <sebastian.huber@embedded-brains.de>
1073 * config/rtems.h (LIB_SPEC): Add -latomic.
1075 2016-04-27 Joel Sherrill <joel@rtems.org>
1077 * config/microblaze/rtems.h: Redefine LINK_SPEC to avoid
1078 xilink.ld and flags not relevant to RTEMS.
1080 2016-04-26 Zhouyi Zhou <yizhouzhou@ict.ac.cn>
1082 * toplev.c (backend_init_target): Avoid calling init_reload when using
1085 2016-04-26 Jakub Jelinek <jakub@redhat.com>
1087 * reorg.c (try_merge_delay_insns): Declare i and j inside the
1088 for loops rather than one for the whole function.
1090 2016-04-26 Marc Glisse <marc.glisse@inria.fr>
1092 * match.pd (X + CST CMP X): New transformation.
1094 2016-04-26 Marc Glisse <marc.glisse@inria.fr>
1096 * genmatch.c (write_predicate): Add ATTRIBUTE_UNUSED.
1097 * fold-const.c (fold_binary_loc): Remove 2 transformations
1098 superseded by match.pd.
1099 * match.pd (x+x -> x*2): Generalize to integers.
1101 2016-04-26 Bernd Schmidt <bschmidt@redhat.com>
1103 * config/i386/i386.md (operation on memory peephole): Duplicate an
1104 existing peephole and adapt it to match lea rather than an operation
1107 PR rtl-optimization/57193
1108 * opts.c (default_options_table): Add OPT_frename_registers at -O2
1110 * doc/invoke.texi (-frename-registers, -O2): Update documentation.
1112 2016-04-26 Bin Cheng <bin.cheng@arm.com>
1114 * tree-if-conv.c (any_pred_load_store): New static variable.
1115 (if_convertible_gimple_assign_stmt_p): Remove parameter. Use
1116 any_pred_load_store instead of and_mask_load_store.
1117 (if_convertible_stmt_p, if_convertible_loop_p_1): Ditto.
1118 (if_convertible_loop_p, insert_gimplified_predicates): Ditto.
1119 (combine_blocks, tree_if_conversion): Ditto.
1121 2016-04-26 Bin Cheng <bin.cheng@arm.com>
1123 PR tree-optimization/70771
1124 PR tree-optimization/70775
1125 * tree-if-conv.c (if_convertible_phi_p): Remove check on special
1126 virtual PHI nodes. Delete parameter.
1127 (if_convertible_loop_p_1): Delete argument to above function.
1128 (predicate_all_scalar_phis): Delete code handling single-argument
1130 (tree_if_conversion): Mark and update virtual SSA.
1132 2016-04-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1135 * config/i386/i386.c (LARGECOMM_SECTION_ASM_OP): Define default.
1136 (x86_elf_aligned_common): Rename to ...
1137 (x86_elf_aligned_decl_common): ... this.
1138 Add decl arg. Switch to .lbss for largecomm object. Use
1139 LARGECOMM_SECTION_ASM_OP.
1140 * config/i386/i386-protos.h (x86_elf_aligned_common): Reflect
1142 * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_COMMON): Rename to ...
1143 (ASM_OUTPUT_ALIGNED_DECL_COMMON): ... this.
1145 * config/i386/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
1146 [!USE_GAS] (LARGECOMM_SECTION_ASM_OP): Define.
1148 2016-04-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1151 * config/i386/i386.c (SECTION_LARGE): Define.
1152 (x86_64_elf_select_section): Set it for large data/bss sections.
1153 Only clear SECTION_WRITE for .lrodata.
1154 (x86_64_elf_section_type_flags): Set SECTION_LARGE for large
1156 * config/i386/sol2.h (MACH_DEP_SECTION_ASM_FLAG): Define.
1157 * varasm.c (default_elf_asm_named_section): Grow flagchars.
1158 [MACH_DEP_SECTION_ASM_FLAG] Emit MACH_DEP_SECTION_ASM_FLAG for
1160 * doc/tm.texi.in (Sections, MACH_DEP_SECTION_ASM_FLAG): Describe.
1161 * doc/tm.texi: Regenerate.
1163 2016-04-26 Jakub Jelinek <jakub@redhat.com>
1166 * configure.ac (--enable-checking): Document extra flag, for
1167 non-release builds default to --enable-checking=yes,extra.
1168 If misc checking and extra checking, define CHECKING_P to 2 instead
1170 * common.opt (fchecking=): Add.
1171 * doc/invoke.texi (-fchecking=): Document.
1172 * doc/install.texi: Document --enable-checking changes.
1173 * configure: Regenerated.
1174 * config.in: Regenerated.
1176 2016-04-25 Uros Bizjak <ubizjak@gmail.com>
1178 * config/i386/i386.md (*movxi_internal_avx512f): Use insn type
1179 attribute instead of which_alternative.
1180 * config/i386/sse.md (*mov<mode>_internal): Ditto.
1181 Use EXT_REX_SSE_REG_P where appropriate.
1183 2016-04-25 Uros Bizjak <ubizjak@gmail.com>
1185 * config/i386/predicates.md (const0_operand): Do not match
1186 const_wide_int code.
1187 (const1_operand): Ditto.
1189 2016-04-25 Uros Bizjak <ubizjak@gmail.com>
1191 * config/i386/i386.md (*movoi_internal_avx): Set mode attribute to XI
1192 for SSE constm1 operands and TARGET_AVX512VL.
1193 (*movti_internal): Ditto.
1194 (*mov<mode>_or): Use constm1_operand predicate.
1195 * config/i386/sse.md (*mov<mode>_internal): Set mode attribute to XI
1196 for SSE vector_all_ones operands and TARGET_AVX512VL.
1197 * config/i386/predicates.md (constm1_operand): New predicate.
1198 * config/i386/i386.c (standard_sse_constant_opcode): Simplify
1199 emission of constant -1 load.
1201 2016-04-25 Jason Merrill <jason@redhat.com>
1203 * gdbinit.in: Skip is-a.h.
1205 * attribs.c (register_scoped_attributes): Fix logic.
1206 * attribs.h: Declare register_scoped_attributes.
1208 2016-04-25 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1210 * config/rs6000/rs6000-builtin.def: Correct pasto error for
1211 stxvd2x and stxvw4x built-in functions.
1213 2016-04-25 DJ Delorie <dj@redhat.com>
1215 * config/msp430/msp430.md (ashlhi3): Optimize one bit shifts.
1216 (ashrhi3): Likewise.
1217 (lshrhi3): Likewise.
1219 2016-04-25 Richard Biener <rguenther@suse.de>
1221 PR tree-optimization/70780
1222 * tree-ssa-pre.c (compute_antic_aux): Also return true if the block
1224 (compute_antic): Mark blocks with abnormal preds as visited as
1225 they have a final empty antic-in solution already.
1227 2016-04-25 Michael Collison <michael.collison@linaro.org>
1229 * ChangeLog(2016-04-25): Fix ChangeLog formatting.
1231 2016-04-25 Michael Collison <michael.collison@linaro.org>
1233 * config/arm/neon.md (widen_<us>sum<mode>): New patterns where
1234 mode is VQI to improve mixed mode vectorization.
1235 * config/arm/neon.md (vec_sel_widen_ssum_lo<VQI:mode><VW:mode>3): New
1236 define_insn to match low half of signed vaddw.
1237 * config/arm/neon.md (vec_sel_widen_ssum_hi<VQI:mode><VW:mode>3): New
1238 define_insn to match high half of signed vaddw.
1239 * config/arm/neon.md (vec_sel_widen_usum_lo<VQI:mode><VW:mode>3): New
1240 define_insn to match low half of unsigned vaddw.
1241 * config/arm/neon.md (vec_sel_widen_usum_hi<VQI:mode><VW:mode>3): New
1242 define_insn to match high half of unsigned vaddw.
1243 * config/arm/arm.c (arm_simd_vect_par_cnst_half): New function.
1244 (arm_simd_check_vect_par_cnst_half_p): Likewise.
1245 * config/arm/arm-protos.h (arm_simd_vect_par_cnst_half): Prototype
1247 (arm_simd_check_vect_par_cnst_half_p): Likewise.
1248 * config/arm/predicates.md (vect_par_constant_high): Support
1249 big endian and simplify by calling
1250 arm_simd_check_vect_par_cnst_half
1251 (vect_par_constant_low): Likewise.
1253 2016-04-25 Uros Bizjak <ubizjak@gmail.com>
1255 * config/i386/i386.md (*lea<mode>_general_4): Use const_0_to_3_operand
1256 predicate for operand 2.
1258 2016-04-24 Uros Bizjak <ubizjak@gmail.com>
1259 H.J. Lu <hongjiu.lu@intel.com>
1261 * config/i386/i386-protos.h (standard_sse_constant_p): Add
1262 machine_mode argument.
1263 * config/i386/i386.c (standard_sse_constant_p): Return 2 for
1264 constm1_rtx operands. For VOIDmode constants, get mode from
1265 pred_mode. Check mode size if the mode is supported by ABI.
1266 (standard_sse_constant_opcode): Do not use standard_constant_p.
1267 Strictly check ABI support for all-ones operands.
1268 (ix86_legitimate_constant_p): Handle TImode, OImode and XImode
1269 immediates. Update calls to standard_sse_constant_p.
1270 (ix86_expand_vector_move): Update calls to standard_sse_constant_p.
1271 (ix86_rtx_costs): Ditto.
1272 * config/i386/i386.md (*movxi_internal_avx512f): Use
1273 nonimmediate_or_sse_const_operand instead of vector_move_operand.
1274 Use (v,BC) alternative instead of (v,C). Use register_operand
1275 checks instead of MEM_P.
1276 (*movoi_internal_avx): Use nonimmediate_or_sse_const_operand instead
1277 of vector_move_operand. Add (v,BC) alternative and corresponding avx2
1278 isa attribute. Use register_operand checks instead of MEM_P.
1279 (*movti_internal): Use nonimmediate_or_sse_const_operand for
1280 TARGET_SSE. Improve TARGET_SSE insn constraint. Add (v,BC)
1281 alternative and corresponding sse2 isa attribute.
1282 (*movtf_internal, *movdf_internal, *movsf_interal): Update calls
1283 to standard_sse_constant_p.
1284 (FP constant splitters): Ditto.
1285 * config/i386/constraints.md (BC): Do not use standard_sse_constant_p.
1287 * config/i386/predicates.md (constm1_operand): Remove.
1288 (nonimmediate_or_sse_const_operand): Rewrite using RTX.
1289 * config/i386/sse.md (*<avx512>_cvtmask2<ssemodesuffix><mode>): Use
1290 vector_all_ones_operand instead of constm1_operand.
1292 2016-04-24 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
1294 * print-rtl.c (print_rtx_insn_vec): New function.
1295 * print-rtl.h: New prototype.
1296 * store-motion.c (struct st_expr): Make avail_stores a vector.
1297 (st_expr_entry): Adjust.
1298 (free_st_expr_entry): Likewise.
1299 (print_store_motion_mems): Likewise.
1300 (find_moveable_store): Likewise.
1301 (compute_store_table): Likewise.
1302 (delete_store): Likewise.
1303 (build_store_vectors): Likewise.
1305 2016-04-24 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
1307 * reorg.c (try_merge_delay_insns): Make merged_insns a vector.
1309 2016-04-24 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
1311 * vec.h (vec_safe_contains): New function.
1312 (vec::contains): Likewise.
1313 (vec::begin): Likewise.
1314 (vec::end): Likewise.
1316 2016-04-23 Jakub Jelinek <jakub@redhat.com>
1319 * cfgexpand.c (expand_stack_vars): Fix typo.
1321 2016-04-22 Szabolcs Nagy <szabolcs.nagy@arm.com>
1323 * system.h (list, map, set, vector): Include conditionally.
1324 * auto-profile.c (INCLUDE_MAP, INCLUDE_SET): Define.
1325 * graphite-isl-ast-to-gimple.c (INCLUDE_MAP): Define.
1326 * ipa-icf.c (INCLUDE_LIST): Define.
1327 * config/aarch64/cortex-a57-fma-steering.c (INCLUDE_LIST): Define.
1328 * config/sh/sh.c (INCLUDE_VECTOR): Define.
1329 * config/sh/sh_treg_combine.cc (INCLUDE_ALGORITHM): Define.
1330 (INCLUDE_LIST, INCLUDE_VECTOR): Define.
1331 * cp/logic.cc (INCLUDE_LIST): Define.
1332 * fortran/trans-common.c (INCLUDE_MAP): Define.
1334 2016-04-22 Szabolcs Nagy <szabolcs.nagy@arm.com>
1336 * auto-profile.c: Remove <string.h> include.
1337 * ipa-icf-gimple.c: Remove <list> include.
1338 * diagnostic.c: Remove <new> include.
1339 * genmatch.c: Likewise.
1340 * pretty-print.c: Likewise.
1341 * toplev.c: Likewise
1342 * c/c-objc-common.c: Likewise.
1343 * cp/error.c: Likewise.
1344 * fortran/error.c: Likewise.
1346 2016-04-22 Richard Biener <rguenther@suse.de>
1348 * lto-streamer-in.c (input_ssa_names): Do not allocate
1349 GIMPLE_NOP for all SSA names.
1350 * lto-streamer-out.c (output_ssa_names): Do not output
1351 SSA names that should have been released.
1353 2016-04-22 Richard Biener <rguenther@suse.de>
1355 PR tree-optimization/70740
1356 * tree-ssa-phiprop.c (propagate_with_phi): Handle inserted
1359 2016-04-21 H.J. Lu <hongjiu.lu@intel.com>
1362 * config/i386/predicates.md (call_insn_operand): Replace
1363 sibcall_memory_operand with memory_operand.
1365 2016-04-21 Patrick Palka <ppalka@gcc.gnu.org>
1367 * tree-vrp.c (register_edge_assert_for_2): Remove redundant
1368 has_single_use() tests.
1369 (register_edge_assert_for_1): Likewise.
1370 (find_assert_locations_1): Check the liveness bitmap instead of
1371 checking has_single_use().
1373 2016-04-21 Kirill Yukhin <kirill.yukhin@intel.com>
1376 * gcc/config/i386/sse.md (define_insn "<shift_insn><mode>3<mask_name>"):
1377 Extract AVX-512BW constraint from AVX.
1379 2016-04-21 Richard Biener <rguenther@suse.de>
1381 PR tree-optimization/70725
1382 * tree-if-conv.c (if_convertible_phi_p): Adjust guard
1383 for phi_convertible_by_degenerating_args.
1384 (predicate_all_scalar_phis): Handle single-argument PHIs.
1386 2016-04-21 Richard Biener <rguenther@suse.de>
1389 * fold-const.c (fold_comparison): Return properly typed
1392 2016-04-21 Bin Cheng <bin.cheng@arm.com>
1394 PR tree-optimization/70715
1395 * tree-ssa-loop-niter.c (loop_exits_before_overflow): Check equality
1396 after expanding BASE using expand_simple_operations.
1398 2016-04-21 Marc Glisse <marc.glisse@inria.fr>
1400 * match.pd (min(-x, -y), max(-x, -y), min(~x, ~y), max(~x, ~y)):
1401 New transformations.
1403 2016-04-21 Marc Glisse <marc.glisse@inria.fr>
1405 * match.pd (min(int_max, x), max(int_min, x)): New transformations.
1407 2016-04-20 Jan Hubicka <jh@suse.cz>
1409 * ipa-inline.c (can_inline_edge_p): Pass caller info to
1410 ultiimate_alias_target.
1411 (update_callee_keys): Likewise.
1412 (lookup_recursive_calls): Likewise.
1413 (speculation_useful_p): Likewise.
1415 2016-04-20 Jan Hubicka <jh@suse.cz>
1418 * cgraph.c (cgraph_set_nothrow_flag_1): Rename to ...
1419 (set_nothrow_flag_1): ... this; handle interposition correctly;
1420 recurse on aliases and thunks.
1421 (cgraph_node::set_nothrow_flag): New.
1422 * ipa-pure-const.c (ignore_edge_for_nothrow): Ignore calls to
1423 functions compiled with non-call exceptions that binds to current
1425 (propagate_nothrow): Be safe WRT interposition.
1426 * cgraph.h (set_nothrow_flag): Update prototype.
1428 2016-04-18 Jan Hubicka <jh@suse.cz>
1430 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
1431 max_loop_iterations_int.
1432 (tree_unswitch_outer_loop): Likewise.
1434 2016-04-20 Bin Cheng <bin.cheng@arm.com>
1436 PR tree-optimization/69489
1437 * tree-if-conv.c (phi_convertible_by_degenerating_args): New.
1438 (if_convertible_phi_p): Call phi_convertible_by_degenerating_args.
1439 Revise dump message.
1440 (if_convertible_bb_p): Remove check on edge count of basic block's
1443 2016-04-20 Bin Cheng <bin.cheng@arm.com>
1445 PR tree-optimization/56625
1446 PR tree-optimization/69489
1447 * tree-data-ref.h (DR_INNERMOST): New macro.
1448 * tree-if-conv.c (innermost_loop_behavior_hash): New class for
1449 hashing struct innermost_loop_behavior.
1450 (ref_DR_map): Remove.
1451 (innermost_DR_map): New map.
1452 (baseref_DR_map): Revise comment.
1453 (hash_memrefs_baserefs_and_store_DRs_read_written_info): Store DR
1454 to innermost_DR_map accroding to its innermost loop behavior.
1455 (ifcvt_memrefs_wont_trap): Get DR from innermost_DR_map according
1456 to its innermost loop behavior.
1457 (if_convertible_loop_p_1): Remove intialization for ref_DR_map.
1458 Add initialization for innermost_DR_map. Record memory reference
1459 in DR_BASE_ADDRESS if the reference is compound one or it doesn't
1460 have innermost loop behavior.
1461 (if_convertible_loop_p): Remove release for ref_DR_map. Release
1464 2016-04-20 Uros Bizjak <ubizjak@gmail.com>
1466 * config/i386/i386.md (*lea<mode>_general_1): Rename from
1467 *lea_general_1. Use explicit SWI12 mode interator.
1468 (*lea<mode>_general_2): Rename from *lea_general_2.
1469 Use explicit SWI12 mode interator.
1470 (*lea<mode>_general_3): Rename from *lea_general_3.
1471 Use explicit SWI12 mode interator.
1472 (*lea<SWI12:mode>_general_4): Split from *lea_general_4.
1473 Use explicit SWI12 mode interator.
1474 (*lea<SWI48:mode>_general_4): Split from *lea_general_4.
1475 Use explicit SWI48 mode interator.
1477 2016-04-20 H.J. Lu <hongjiu.lu@intel.com>
1479 * config/i386/i386.c (ix86_avx256_split_vector_move_misalign):
1480 Short-cut unaligned load and store cases. Handle all integer
1482 (ix86_expand_vector_move_misalign): Short-cut unaligned load
1483 and store cases. Call ix86_avx256_split_vector_move_misalign
1484 directly without checking mode class.
1486 2016-04-20 Andrew Pinski <apinski@cavium.com>
1487 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1490 * config/aarch64/aarch64.md (sibcall): Force call
1491 address to be DImode for ILP32.
1492 (sibcall_value): Likewise.
1494 2016-04-20 H.J. Lu <hongjiu.lu@intel.com>
1496 * doc/invoke.texi: Replace -skip-rax-setup with -mskip-rax-setup.
1498 2016-04-20 Richard Biener <rguenther@suse.de>
1500 * gimple-match.h (maybe_build_generic_op): Adjust prototype.
1501 * gimple-match-head.c (maybe_build_generic_op): Pass all ops
1502 by reference, clear op1 and op2 when GENERICizing BIT_FIELD_REF.
1503 (maybe_push_res_to_seq): Adjust.
1504 * gimple-fold.c (maybe_build_generic_op): Likewise.
1506 2016-04-20 Marek Polacek <polacek@redhat.com>
1508 * tree-if-conv.c (is_false_predicate): For NULL_TREE return false
1511 2016-04-20 Ilya Enkovich <ilya.enkovich@intel.com>
1513 * config/i386/sse.md (vec_unpacks_lo_hi): Always
1514 use kmovw to support AVX512F target.
1516 2016-04-20 Bin Cheng <bin.cheng@arm.com>
1518 * tree-scalar-evolution.c (interpret_rhs_expr): Handle BIT_AND_EXPR.
1520 2016-04-20 Marek Polacek <polacek@redhat.com>
1522 PR tree-optimization/70725
1523 * tree-if-conv.c (is_false_predicate): New function.
1524 (predicate_mem_writes): Use it.
1526 2016-04-20 Richard Biener <rguenther@suse.de>
1528 PR tree-optimization/70726
1529 * tree-vect-stmts.c (vectorizable_shift): Do not use scalar
1530 shift amounts from a pattern stmt operand.
1532 2016-04-20 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
1535 * config/s390/s390.c (s390_restore_gprs_from_fprs): Pick the new
1536 stack_restore_from_fpr pattern when restoring r15.
1537 (s390_optimize_prologue): Strip away the memory barrier in the
1538 parallel when trying to get rid of restore insns.
1539 * config/s390/s390.md ("stack_restore_from_fpr"): New insn
1540 definition for loading the stack pointer from an FPR. Compared to
1541 the normal move insn this pattern includes a full memory barrier.
1543 2016-04-19 Jakub Jelinek <jakub@redhat.com>
1546 * gimplify.c (gimplify_omp_for): Call omp_notice_variable for
1547 implicitly linear or lastprivate iterator on the outer context.
1549 2016-04-19 H.J. Lu <hongjiu.lu@intel.com>
1551 * config/i386/i386.c (ix86_legitimate_combined_insn): Remove
1553 * config/i386/i386.md (ssememalign): Removed.
1554 * config/i386/sse.md: Remove ssememalign attribute from patterns.
1556 2016-04-19 H.J. Lu <hongjiu.lu@intel.com>
1559 * config/i386/avx512bwintrin.h (_mm512_mask_loadu_epi16): Pass
1560 const short * to __builtin_ia32_loaddquhi512_mask.
1561 (_mm512_maskz_loadu_epi16): Likewise.
1562 (_mm512_mask_storeu_epi16): Pass short * to
1563 __builtin_ia32_storedquhi512_mask.
1564 (_mm512_mask_loadu_epi8): Pass const char * to
1565 __builtin_ia32_loaddquqi512_mask.
1566 (_mm512_maskz_loadu_epi8): Likewise.
1567 (_mm512_mask_storeu_epi8): Pass char * to
1568 __builtin_ia32_storedquqi512_mask.
1569 * config/i386/avx512fintrin.h (_mm512_loadu_pd): Pass
1570 const double * to __builtin_ia32_loadupd512_mask.
1571 (_mm512_mask_loadu_pd): Likewise.
1572 (_mm512_maskz_loadu_pd): Likewise.
1573 (_mm512_storeu_pd): Pass double * to
1574 __builtin_ia32_storeupd512_mask.
1575 (_mm512_mask_storeu_pd): Likewise.
1576 (_mm512_loadu_ps): Pass const float * to
1577 __builtin_ia32_loadups512_mask.
1578 (_mm512_mask_loadu_ps): Likewise.
1579 (_mm512_maskz_loadu_ps): Likewise.
1580 (_mm512_storeu_ps): Pass float * to
1581 __builtin_ia32_storeups512_mask.
1582 (_mm512_mask_storeu_ps): Likewise.
1583 (_mm512_mask_loadu_epi64): Pass const long long * to
1584 __builtin_ia32_loaddqudi512_mask.
1585 (_mm512_maskz_loadu_epi64): Likewise.
1586 (_mm512_mask_storeu_epi64): Pass long long *
1587 to __builtin_ia32_storedqudi512_mask.
1588 (_mm512_loadu_si512): Pass const int * to
1589 __builtin_ia32_loaddqusi512_mask.
1590 (_mm512_mask_loadu_epi32): Likewise.
1591 (_mm512_maskz_loadu_epi32): Likewise.
1592 (_mm512_storeu_si512): Pass int * to
1593 __builtin_ia32_storedqusi512_mask.
1594 (_mm512_mask_storeu_epi32): Likewise.
1595 * config/i386/avx512vlbwintrin.h (_mm256_mask_storeu_epi8): Pass
1596 char * to __builtin_ia32_storedquqi256_mask.
1597 (_mm_mask_storeu_epi8): Likewise.
1598 (_mm256_mask_loadu_epi16): Pass const short * to
1599 __builtin_ia32_loaddquhi256_mask.
1600 (_mm256_maskz_loadu_epi16): Likewise.
1601 (_mm_mask_loadu_epi16): Pass const short * to
1602 __builtin_ia32_loaddquhi128_mask.
1603 (_mm_maskz_loadu_epi16): Likewise.
1604 (_mm256_mask_loadu_epi8): Pass const char * to
1605 __builtin_ia32_loaddquqi256_mask.
1606 (_mm256_maskz_loadu_epi8): Likewise.
1607 (_mm_mask_loadu_epi8): Pass const char * to
1608 __builtin_ia32_loaddquqi128_mask.
1609 (_mm_maskz_loadu_epi8): Likewise.
1610 (_mm256_mask_storeu_epi16): Pass short * to.
1611 __builtin_ia32_storedquhi256_mask.
1612 (_mm_mask_storeu_epi16): Pass short * to.
1613 __builtin_ia32_storedquhi128_mask.
1614 * config/i386/avx512vlintrin.h (_mm256_mask_loadu_pd): Pass
1615 const double * to __builtin_ia32_loadupd256_mask.
1616 (_mm256_maskz_loadu_pd): Likewise.
1617 (_mm_mask_loadu_pd): Pass onst double * to
1618 __builtin_ia32_loadupd128_mask.
1619 (_mm_maskz_loadu_pd): Likewise.
1620 (_mm256_mask_storeu_pd): Pass double * to
1621 __builtin_ia32_storeupd256_mask.
1622 (_mm_mask_storeu_pd): Pass double * to
1623 __builtin_ia32_storeupd128_mask.
1624 (_mm256_mask_loadu_ps): Pass const float * to
1625 __builtin_ia32_loadups256_mask.
1626 (_mm256_maskz_loadu_ps): Likewise.
1627 (_mm_mask_loadu_ps): Pass const float * to
1628 __builtin_ia32_loadups128_mask.
1629 (_mm_maskz_loadu_ps): Likewise.
1630 (_mm256_mask_storeu_ps): Pass float * to
1631 __builtin_ia32_storeups256_mask.
1632 (_mm_mask_storeu_ps): ass float * to
1633 __builtin_ia32_storeups128_mask.
1634 (_mm256_mask_loadu_epi64): Pass const long long * to
1635 __builtin_ia32_loaddqudi256_mask.
1636 (_mm256_maskz_loadu_epi64): Likewise.
1637 (_mm_mask_loadu_epi64): Pass const long long * to
1638 __builtin_ia32_loaddqudi128_mask.
1639 (_mm_maskz_loadu_epi64): Likewise.
1640 (_mm256_mask_storeu_epi64): Pass long long * to
1641 __builtin_ia32_storedqudi256_mask.
1642 (_mm_mask_storeu_epi64): Pass long long * to
1643 __builtin_ia32_storedqudi128_mask.
1644 (_mm256_mask_loadu_epi32): Pass const int * to
1645 __builtin_ia32_loaddqusi256_mask.
1646 (_mm256_maskz_loadu_epi32): Likewise.
1647 (_mm_mask_loadu_epi32): Pass const int * to
1648 __builtin_ia32_loaddqusi128_mask.
1649 (_mm_maskz_loadu_epi32): Likewise.
1650 (_mm256_mask_storeu_epi32): Pass int * to
1651 __builtin_ia32_storedqusi256_mask.
1652 (_mm_mask_storeu_epi32): Pass int * to
1653 __builtin_ia32_storedqusi128_mask.
1654 * config/i386/i386-builtin-types.def (PCSHORT): New.
1656 (V64QI_FTYPE_PCCHAR_V64QI_UDI): Likewise.
1657 (V32HI_FTYPE_PCSHORT_V32HI_USI): Likewise.
1658 (V32QI_FTYPE_PCCHAR_V32QI_USI): Likewise.
1659 (V16SF_FTYPE_PCFLOAT_V16SF_UHI): Likewise.
1660 (V8DF_FTYPE_PCDOUBLE_V8DF_UQI): Likewise.
1661 (V16SI_FTYPE_PCINT_V16SI_UHI): Likewise.
1662 (V16HI_FTYPE_PCSHORT_V16HI_UHI): Likewise.
1663 (V16QI_FTYPE_PCCHAR_V16QI_UHI): Likewise.
1664 (V8SF_FTYPE_PCFLOAT_V8SF_UQI): Likewise.
1665 (V8DI_FTYPE_PCINT64_V8DI_UQI): Likewise.
1666 (V8SI_FTYPE_PCINT_V8SI_UQI): Likewise.
1667 (V8HI_FTYPE_PCSHORT_V8HI_UQI): Likewise.
1668 (V4DF_FTYPE_PCDOUBLE_V4DF_UQI): Likewise.
1669 (V4SF_FTYPE_PCFLOAT_V4SF_UQI): Likewise.
1670 (V4DI_FTYPE_PCINT64_V4DI_UQI): Likewise.
1671 (V4SI_FTYPE_PCINT_V4SI_UQI): Likewise.
1672 (V2DF_FTYPE_PCDOUBLE_V2DF_UQI): Likewise.
1673 (V2DI_FTYPE_PCINT64_V2DI_UQI): Likewise.
1674 (VOID_FTYPE_PDOUBLE_V8DF_UQI): Likewise.
1675 (VOID_FTYPE_PDOUBLE_V4DF_UQI): Likewise.
1676 (VOID_FTYPE_PDOUBLE_V2DF_UQI): Likewise.
1677 (VOID_FTYPE_PFLOAT_V16SF_UHI): Likewise.
1678 (VOID_FTYPE_PFLOAT_V8SF_UQI): Likewise.
1679 (VOID_FTYPE_PFLOAT_V4SF_UQI): Likewise.
1680 (VOID_FTYPE_PINT64_V8DI_UQI): Likewise.
1681 (VOID_FTYPE_PINT64_V4DI_UQI): Likewise.
1682 (VOID_FTYPE_PINT64_V2DI_UQI): Likewise.
1683 (VOID_FTYPE_PINT_V16SI_UHI): Likewise.
1684 (VOID_FTYPE_PINT_V8SI_UHI): Likewise.
1685 (VOID_FTYPE_PINT_V4SI_UHI): Likewise.
1686 (VOID_FTYPE_PSHORT_V32HI_USI): Likewise.
1687 (VOID_FTYPE_PSHORT_V16HI_UHI): Likewise.
1688 (VOID_FTYPE_PSHORT_V8HI_UQI): Likewise.
1689 (VOID_FTYPE_PCHAR_V64QI_UDI): Likewise.
1690 (VOID_FTYPE_PCHAR_V32QI_USI): Likewise.
1691 (VOID_FTYPE_PCHAR_V16QI_UHI): Likewise.
1692 (V64QI_FTYPE_PCV64QI_V64QI_UDI): Removed.
1693 (V32HI_FTYPE_PCV32HI_V32HI_USI): Likewise.
1694 (V32QI_FTYPE_PCV32QI_V32QI_USI): Likewise.
1695 (V16HI_FTYPE_PCV16HI_V16HI_UHI): Likewise.
1696 (V16QI_FTYPE_PCV16QI_V16QI_UHI): Likewise.
1697 (V8HI_FTYPE_PCV8HI_V8HI_UQI): Likewise.
1698 (VOID_FTYPE_PV32HI_V32HI_USI): Likewise.
1699 (VOID_FTYPE_PV16HI_V16HI_UHI): Likewise.
1700 (VOID_FTYPE_PV8HI_V8HI_UQI): Likewise.
1701 (VOID_FTYPE_PV64QI_V64QI_UDI): Likewise.
1702 (VOID_FTYPE_PV32QI_V32QI_USI): Likewise.
1703 (VOID_FTYPE_PV16QI_V16QI_UHI): Likewise.
1704 * config/i386/i386.c (ix86_emit_save_reg_using_mov): Don't
1706 (ix86_emit_restore_sse_regs_using_mov): Don't use UNSPEC_LOADU.
1707 (ix86_avx256_split_vector_move_misalign): Don't use unaligned
1709 (ix86_expand_vector_move_misalign): Likewise.
1710 (bdesc_special_args): Use CODE_FOR_movvNXY_internal and pointer
1711 to scalar function prototype for unaligned load/store builtins.
1712 (ix86_expand_special_args_builtin): Updated.
1713 * config/i386/sse.md (UNSPEC_LOADU): Removed.
1714 (UNSPEC_STOREU): Likewise.
1715 (VI_ULOADSTORE_BW_AVX512VL): Likewise.
1716 (VI_ULOADSTORE_F_AVX512VL): Likewise.
1717 (ssescalarsize): Handle V4TI, V2TI and V1TI.
1718 (<sse>_loadu<ssemodesuffix><avxsizesuffix><mask_name>): Likewise.
1719 (*<sse>_loadu<ssemodesuffix><avxsizesuffix><mask_name>): Likewise.
1720 (<sse>_storeu<ssemodesuffix><avxsizesuffix>): Likewise.
1721 (<avx512>_storeu<ssemodesuffix><avxsizesuffix>_mask): Likewise.
1722 (<sse2_avx_avx512f>_loaddqu<mode><mask_name>): Likewise.
1723 (*<sse2_avx_avx512f>_loaddqu<mode><mask_name>"): Likewise.
1724 (sse2_avx_avx512f>_storedqu<mode>): Likewise.
1725 (<avx512>_storedqu<mode>_mask): Likewise.
1726 (*sse4_2_pcmpestr_unaligned): Likewise.
1727 (*sse4_2_pcmpistr_unaligned): Likewise.
1728 (*mov<mode>_internal): Renamed to ...
1729 (mov<mode>_internal): This. Remove check of AVX and IAMCU on
1730 misaligned operand. Replace vmovdqu64 with vmovdqu<ssescalarsize>.
1731 (movsd/movhpd to movupd peephole): Don't use UNSPEC_LOADU.
1732 (movlpd/movhpd to movupd peephole): Don't use UNSPEC_STOREU.
1734 2016-04-19 Richard Biener <rguenther@suse.de>
1736 PR tree-optimization/70171
1737 * tree-ssa-phiprop.c: Include stor-layout.h.
1738 (phiprop_insert_phi): Handle the aggregate copy case.
1739 (propagate_with_phi): Likewise.
1741 2016-04-19 Uros Bizjak <ubizjak@gmail.com>
1743 * config/i386/i386.c (ix86_decompose_address): Use lowpart_subreg
1744 instead of simplify_gen_subreg (... , 0).
1745 (ix86_delegitimize_address): Ditto.
1746 (ix86_split_divmod): Ditto.
1747 (ix86_split_copysign_const): Ditto.
1748 (ix86_split_copysign_var): Ditto.
1749 (ix86_expand_args_builtin): Ditto.
1750 (ix86_expand_round_builtin): Ditto.
1751 (ix86_expand_special_args_builtin): Ditto.
1752 * config/i386/i386.md (TARGET_USE_VECTOR_FP_CONVERTS splitters): Ditto.
1753 (TARGET_SSE_PARTIAL_REG_DEPENDENCY splitters and peephole2s): Ditto.
1754 (udivmodqi4): Ditto.
1755 (absneg splitters): Ditto.
1756 (*jcc_bt<mode>_1): Ditto.
1758 2016-04-19 Richard Biener <rguenther@suse.de>
1760 PR tree-optimization/70724
1761 * tree-ssa-sccvn.c (scc_vn_restore_ssa_info): Split SSA info
1762 restoring out from ...
1763 (free_scc_vn): ... here.
1764 * tree-ssa-sccvn.h (scc_vn_restore_ssa_info): Declare.
1765 * tres-ssa-pre.c (pass_pre::execute): Restore SSA info before
1767 (pass_fre::execute): Restore SSA info.
1769 2016-04-19 Richard Biener <rguenther@suse.de>
1771 * gimple-walk.h (struct walk_stmt_info): Add stmt member.
1772 * gimple-walk.c (walk_gimple_op): Initialize it.
1773 (walk_gimple_asm): Set wi->is_lhs before each callback invocation.
1774 * tree-inline.c (remap_gimple_op_r): Set SSA_NAME_DEF_STMT when
1775 remapping SSA names of defs.
1776 (copy_bb): Remove walk over all SSA defs and SSA_NAME_DEF_STMT
1779 2016-04-18 Vladimir Makarov <vmakarov@redhat.com>
1782 * lra-constraints.c (equiv_substition_p): New.
1783 (process_alt_operands): Use it.
1784 (swap_operands): Swap it.
1785 (curr_insn_transform): Update it.
1787 2016-04-18 Michael Matz <matz@suse.de>
1789 * tree.h (TYPE_ALIGN, DECL_ALIGN): Return shifted amount.
1790 (SET_TYPE_ALIGN, SET_DECL_ALIGN): New.
1791 * tree-core.h (tree_type_common.align): Use bit-field.
1792 (tree_type_common.spare): New.
1793 (tree_decl_common.off_align): Make smaller.
1794 (tree_decl_common.align): Use bit-field.
1796 * expr.c (expand_expr_addr_expr_1): Use SET_TYPE_ALIGN.
1797 * omp-low.c (install_var_field): Use SET_DECL_ALIGN.
1798 (scan_sharing_clauses): Ditto.
1799 (finish_taskreg_scan): Use SET_DECL_ALIGN and SET_TYPE_ALIGN.
1800 (omp_finish_file): Ditto.
1801 * stor-layout.c (do_type_align): Use SET_DECL_ALIGN.
1802 (layout_decl): Ditto.
1803 (relayout_decl): Ditto.
1804 (finalize_record_size): Use SET_TYPE_ALIGN.
1805 (finalize_type_size): Ditto.
1806 (finish_builtin_struct): Ditto.
1807 (layout_type): Ditto.
1808 (initialize_sizetypes): Ditto.
1809 * targhooks.c (std_gimplify_va_arg_expr): Use SET_TYPE_ALIGN.
1810 * tree-nested.c (insert_field_into_struct): Use SET_TYPE_ALIGN.
1811 (lookup_field_for_decl): Use SET_DECL_ALIGN.
1812 (get_chain_field): Ditto.
1813 (get_trampoline_type): Ditto.
1814 (get_nl_goto_field): Ditto.
1815 * tree-streamer-in.c (unpack_ts_decl_common_value_fields): Use
1817 (unpack_ts_type_common_value_fields): Use SET_TYPE_ALIGN.
1818 * gimple-expr.c (copy_var_decl): Use SET_DECL_ALIGN.
1819 * tree.c (make_node_stat): Use SET_DECL_ALIGN and SET_TYPE_ALIGN.
1820 (build_qualified_type): Use SET_TYPE_ALIGN.
1821 (build_aligned_type, build_range_type_1): Ditto.
1822 (build_atomic_base): Ditto.
1823 (build_common_tree_nodes): Ditto.
1824 * cfgexpand.c (align_local_variable): Use SET_DECL_ALIGN.
1825 (expand_one_stack_var_at): Ditto.
1826 * coverage.c (build_var): Use SET_DECL_ALIGN.
1827 * except.c (init_eh): Ditto.
1828 * function.c (assign_parm_setup_block): Ditto.
1829 * symtab.c (increase_alignment_1): Ditto.
1830 * tree-ssa-ccp.c (fold_builtin_alloca_with_align): Ditto.
1831 * tree-vect-stmts.c (ensure_base_align): Ditto.
1832 * varasm.c (align_variable): Ditto.
1833 (assemble_variable): Ditto.
1834 (build_constant_desc): Ditto.
1835 (output_constant_def_contents): Ditto.
1837 * config/arm/arm.c (arm_relayout_function): Use SET_DECL_ALIGN.
1838 * config/avr/avr.c (avr_adjust_type_node): Use SET_TYPE_ALIGN.
1839 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): Ditto.
1840 * config/msp430/msp430.c (msp430_gimplify_va_arg_expr): Ditto.
1841 * config/spu/spu.c (spu_build_builtin_va_list): Use SET_DECL_ALIGN.
1843 2016-04-18 H.J. Lu <hongjiu.lu@intel.com>
1846 * config/i386/sse.md (sse2_loadlpd): Accept load from "xm" and
1847 replace %vmovsd with "%vmovq".
1848 (vec_concatv2df): Likewise.
1850 2016-04-18 Uros Bizjak <ubizjak@gmail.com>
1852 * config/i386/mmx.md (*vec_extractv2sf_0): Use gen_lowpart.
1853 (*vec_extractv2si_0): Ditto.
1854 * config/i386/sse.md (*vec_extractv4sf_0): Ditto.
1855 (zero_extended_scalar_load_operand splitters): Ditto.
1856 (vec_extract splitters): Ditto.
1857 (*vec_extractv4si_0_zext): Ditto.
1858 (avx_<castmode><avxsizesuffix>_<castmode>): Use gen_lowpart
1860 (avx512f_<castmode><avxsizesuffix>_<castmode>): Ditto.
1861 (avx512f_<castmode><avxsizesuffix>_256<castmode>): Ditto.
1862 (*sse4_1_extractps): Use lowpart_subreg.
1864 2016-04-18 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1866 * doc/install.texi (Specific, i?86-*-solaris2.10): Update gas and
1868 (Specific, *-*-solaris2*): Update Solaris 11 bundled gcc versions.
1869 Mention Solaris 11 packaging changes.
1870 Update gas and gld requirements.
1871 Remove reference to pre-Solaris 10 bug.
1872 (Specific, sparc-sun-solaris2*): Remove reference to pre-Solaris 10
1874 (Specific, sparc64-*-solaris2*): Remove reference to bootstrap
1877 2016-04-17 Jan Hubicka <jh@suse.cz>
1879 * tree-ssa-loop-ivopts.c (avg_loop_niter): Use also
1880 max_loop_iterations_int.
1882 2016-04-18 Richard Biener <rguenther@suse.de>
1884 PR tree-optimization/43434
1885 * tree-ssa-structalias.c (struct vls_data): New.
1886 (visit_loadstore): Handle all pointer-based accesses.
1887 (compute_dependence_clique): Compute a bitmap of restrict tags
1888 assigned bases and pass it to visit_loadstore.
1890 2016-04-18 Matthew Wahab <matthew.wahab@arm.com>
1893 * config/arm/bpabi.h (BE8_LINK_SPEC): Add entries for armv8+crc,
1894 armv8.1-a and armv8.1-a+crc.
1896 2016-04-18 Richard Biener <rguenther@suse.de>
1898 PR tree-optimization/70701
1899 * tree-ssa-sccvn.c (vn_reference_lookup_3): Resolve fully constant
1900 references after translating through a memcpy.
1902 2016-04-18 Richard Biener <rguenther@suse.de>
1904 * tree-ssa-pre.c (postorder, postorder_num): Make locals ...
1905 (compute_antic): ... here. For partial antic use regular
1906 postorder and scrap iteration.
1907 (compute_partial_antic_aux): Remove unused return value.
1908 (init_pre): Do not allocate postorder.
1909 (fini_pre): Do not free postorder.
1911 2016-04-18 Richard Biener <rguenther@suse.de>
1914 * expmed.c (extract_bit_field_1): Remove broken case
1915 using a wider MODE_INT mode.
1917 2016-04-18 Segher Boessenkool <segher@kernel.crashing.org>
1919 * has-brig.c (lendian16): Don't try to use __builtin_bswap16
1920 unless compiling with at least GCC-4.8.
1922 2016-04-17 Jan Hubicka <jh@suse.cz>
1925 * graphite.c (graphite_finalize): Update call to
1926 tree_estimate_probability.
1927 * predict.h (tree_estimate_probability): Update prototype.
1929 2016-04-17 Jan Hubicka <jh@suse.cz>
1931 * predict.c (combine_predictions_for_bb): Add dry_run parmaeter.
1932 (tree_estimate_probability): Likewise.
1933 (pass_profile::execute): Update.
1934 (report_predictor_hitrates): New function.
1935 * profile.c (compute_branch_probabilities): Use it.
1936 * predict.h (report_predictor_hitrates): Declare.
1938 2016-04-17 Jan Hubicka <jh@suse.cz>
1941 * cgraph.h (cgraph_node::set_const_flag,
1942 cgraph_node::set_pure_flag): Update prototype to return bool;
1944 * cgraph.c (cgraph_node::call_for_symbol_thunks_and_aliases): Thunks
1945 of interposable symbol are interposable, too.
1946 (cgraph_set_const_flag_1): Rename to ...
1947 (set_const_flag_1): ... this one; change to self recursive function
1948 instead of call_for_symbol_thunks_and_aliases. Handle correctly
1949 clearnig the flag in all variants and also virtual thunks of const
1950 functions are pure; track if any change was done.
1951 (cgraph_node::set_const_flag): Update.
1952 (struct set_pure_flag_info): New struct.
1953 (cgraph_set_pure_flag_1): Rename to ...
1954 (set_pure_flag_1): ... this one; take set_pure_flag_info parameter
1955 rather than pointer encoded flags; track if any changes was done;
1956 handle correctly clearning flag and setting flag of aliases already
1958 (cgraph_node::set_pure_flag): Update.
1959 (cgraph_node::set_nothrow_flag): Handle correctly clearning the flag.
1961 2016-04-17 Tom de Vries <tom@codesourcery.com>
1964 * pretty-print.c (pp_write_text_as_dot_label_to_stream): Escape
1967 2016-04-17 Tom de Vries <tom@codesourcery.com>
1969 * pretty-print.c (pp_write_text_as_dot_label_to_stream): Classify chars
1970 '{}<> ' as escape-for-record.
1972 2016-04-17 Tom de Vries <tom@codesourcery.com>
1974 * pretty-print.c (pp_write_text_as_dot_label_to_stream): Simplify loop
1977 2016-04-17 Tom de Vries <tom@codesourcery.com>
1980 * tree-pass.h (class opt_pass): Remove graph_dump_initialized member.
1981 * dumpfile.h (struct dump_file_info): Add graph_dump_initialized field.
1982 * dumpfile.c (dump_files): Initialize graph_dump_initialized field.
1983 * passes.c (finish_optimization_passes): Only call
1984 finish_graph_dump_file if dfi->graph_dump_initialized.
1985 (execute_function_dump, pass_init_dump_file): Use
1986 dfi->graph_dump_initialized instead of pass->graph_dump_initialized.
1988 2016-04-17 Tom de Vries <tom@codesourcery.com>
1990 PR tree-optimization/70256
1991 * tree-ssa-structalias.c (dump_varinfo, debug_varinfo, dump_varmap)
1992 (debug_varmap): New function.
1994 2016-04-17 Tom de Vries <tom@codesourcery.com>
1997 * passes.c (pass_manager::register_pass): Propagate pflags.
1999 2016-04-17 Tom de Vries <tom@codesourcery.com>
2002 * pass_manager.h (TERMINATE_PASS_LIST): Add pass argument.
2003 * passes.c (pass_manager::pass_manager): Declare and init p_start in
2004 INSERT_PASSES_AFTER. Add pass parameter to TERMINATE_PASS_LIST, and
2005 check if it's equal to p_start.
2006 * passes.def: Add arguments to TERMINATE_PASS_LISTs.
2008 2016-04-15 Jan Hubicka <jh@suse.cz>
2011 * cgraph.c (cgraph_set_const_flag_1): Only set as pure if
2012 function does not bind to current def.
2013 * ipa-pure-const.c (worse_state): Add FROM and TO parameters;
2014 handle conservatively calls to functions that does not need to bind
2016 (check_call): Update call of worse_state.
2017 (ignore_edge_for_nothrow): Update.
2018 (ignore_edge_for_pure_const): Likewise.
2019 (propagate_pure_const): Update calls to worse_state.
2020 (skip_function_for_local_pure_const): Reformat comments.
2022 2016-04-15 Jan Hubicka <jh@suse.cz>
2025 * cgraph.c (cgraph_node::get_availability): Add REF parameter.
2026 (cgraph_node::function_symbol): Likewise.
2027 (cgraph_node::function_or_virtual_thunk_symbol): Likewise.
2028 * cgraph.h (symtab_node::get_availabbility): Add REF parameter.
2029 (symtab_node::ultimate_alias_target): Add REF parameter.
2030 (symtab_node::binds_to_current_def_p): Declare.
2031 (symtab_node;:ultimate_alias_target_1): Add REF parameter.
2032 (cgraph_node::function_symbol): Likewise.
2033 (cgraph_node::function_or_virtual_thunk_symbol): Likewise.
2034 (cgraph_node::get_availability): Likewise.
2035 (cgraph_edge::binds_to_current_def_p): New inline function.
2036 (varpool_node::get_availability): Add REF parameter.
2037 (varpool_node::ultimate_alias_target): Likewise.
2038 * symtab.c (symtab_node::ultimate_alias_target_1): Likewise.
2039 (symtab_node::binds_to_current_def_p): Likewise.
2040 * varpool.c (varpool_node::get_availability): Likewise.
2042 2016-04-15 Kirill Yukhin <kirill.yukhin@intel.com>
2045 * config/i386/sse.md(define_insn "<avx512>_vec_dup<mode><mask_name>"):
2046 Fix mode size check.
2048 2016-04-15 Jakub Jelinek <jakub@redhat.com>
2050 * BASE-VER: Set to 7.0.0.
2052 2016-04-15 Alexander Monakov <amonakov@ispras.ru>
2054 * config/nvptx/nvptx.opt (moptimize): Add a period at end of help text.
2056 2016-04-15 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
2058 * doc/invoke.texi (ARM Options): Add note on deprecation of pre-ARMv4T
2059 architecture revisions.
2061 2016-04-15 Bernd Schmidt <bschmidt@redhat.com>
2063 * config/i386/i386-protos.h (ix86_using_red_zone): Declare.
2064 * config/i386/i386.c (ix86_using_red_zone): No longer static.
2065 * config/i386/i386.md (stack decrement to push peepholes): Guard
2066 with !x86_using_red_zone ().
2068 2016-04-15 Jakub Jelinek <jakub@redhat.com>
2071 * tree-pretty-print.c (do_niy): Add FLAGS argument, pass it down
2072 to dump_generic_node.
2073 (NIY): Pass also flags to do_niy.
2075 2016-04-15 Thomas Schwinge <thomas@codesourcery.com>
2077 * omp-low.c (simd_clone_struct_alloc, simd_clone_struct_copy)
2078 (simd_clone_vector_of_formal_parm_types)
2079 (simd_clone_clauses_extract, simd_clone_compute_base_data_type)
2080 (simd_clone_mangle, simd_clone_create)
2081 (simd_clone_adjust_return_type, create_tmp_simd_array)
2082 (simd_clone_adjust_argument_types, simd_clone_init_simd_arrays)
2083 (struct modify_stmt_info, ipa_simd_modify_stmt_ops)
2084 (ipa_simd_modify_function_body, simd_clone_linear_addend)
2085 (simd_clone_adjust, expand_simd_clones, ipa_omp_simd_clone)
2086 (pass_data_omp_simd_clone, class pass_omp_simd_clone)
2087 (pass_omp_simd_clone::gate, make_pass_omp_simd_clone): Move into...
2088 * omp-simd-clone.c: ... this new file.
2089 (simd_clone_vector_of_formal_parm_types): Make it static.
2090 * Makefile.in (OBJS): Add omp-simd-clone.o.
2092 2016-04-15 Kirill Yukhin <kirill.yukhin@intel.com>
2095 * config/i386/sse.md: Use proper memory operand modifiers.
2098 2016-04-15 Richard Biener <rguenther@suse.de>
2099 Alan Modra <amodra@gmail.com>
2101 PR tree-optimization/70130
2102 * tree-vect-data-refs.c (vect_supportable_dr_alignment): Detect
2103 when alignment stays not the same and no not use the realign
2106 2016-04-14 Michael Meissner <meissner@linux.vnet.ibm.com>
2109 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add
2110 direct move handlers for KFmode. Change TFmode handlers test from
2111 FLOAT128_IEEE_P to FLOAT128_VECTOR_P.
2113 2016-04-14 Jakub Jelinek <jakub@redhat.com>
2116 * ipa-utils.h (polymorphic_ctor_dtor_p): New prototype.
2117 * ipa-polymorphic-call.c (polymorphic_ctor_dtor_p): New function.
2118 (inlined_polymorphic_ctor_dtor_block_p): Use it.
2119 * tree-ssa-live.c (remove_unused_scope_block_p): When
2120 in_ctor_dtor_block, avoid discarding not just BLOCKs with
2121 BLOCK_ABSTRACT_ORIGIN being FUNCTION_DECL, but even when
2122 block_ultimate_origin is FUNCTION_DECL.
2123 (remove_unused_locals): If current_function_decl is
2124 polymorphic_ctor_dtor_p, pass initial true to
2125 remove_unused_scope_block_p' is_ctor_dtor_block.
2127 2016-04-14 Martin Sebor <msebor@redhat.com>
2132 * doc/extend.texi (Variable Length): Revert.
2134 2016-04-14 Marek Polacek <polacek@redhat.com>
2135 Jan Hubicka <hubicka@ucw.cz>
2138 * tree.c (verify_type): Disable the canonical type of main variant
2141 2016-04-14 Jason Merrill <jason@redhat.com>
2143 * cfgexpand.c, expr.c: Revert previous change.
2145 2016-04-14 Cesar Philippidis <cesar@codesourcery.com>
2148 * omp-low.c (lower_oacc_reductions): Check for TREE_CONSTANT
2149 when building a mem ref for the incoming reduction variable.
2151 2016-04-14 Richard Biener <rguenther@suse.de>
2153 PR tree-optimization/70614
2154 * tree-scalar-evolution.c (analyze_evolution_in_loop): Terminate
2155 loop if the evolution dropped to chrec_dont_know.
2156 (interpret_condition_phi): Likewise.
2158 2016-04-14 Richard Biener <rguenther@suse.de>
2160 PR tree-optimization/70623
2161 * tree-ssa-pre.c (changed_blocks): Make global ...
2162 (compute_antic): ... local here. Move and fix worklist
2163 handling here. Do not clear EDGE_DFS_BACK or call mark_dfs_back_edges.
2164 (compute_antic_aux): Add dumping for MAX assumed succs. Remove
2165 worklist handling, dump when ANTIC_IN changed.
2166 (compute_partial_antic_aux): Remove worklist handling.
2167 (init_pre): Do not compute post dominators. Add a comment about
2168 the CFG order chosen.
2169 (fini_pre): Do not free post dominators.
2171 2016-04-13 Martin Sebor <msebor@redhat.com>
2176 * doc/extend.texi (Variable Length): Document C++ specifics.
2178 2016-04-13 Jakub Jelinek <jakub@redhat.com>
2181 * ipa-pure-const.c (pass_nothrow::execute): Call maybe_clean_eh_stmt
2182 on all recursive call stmts. Return TODO_cleanup_cfg if any dead
2183 eh edges have been purged.
2186 * tree-sra.c (create_access_replacement,
2187 get_replaced_param_substitute): Set DECL_NAMELESS on repl if it
2189 * tree-pretty-print.c (dump_fancy_name): New function.
2190 (dump_decl_name, dump_generic_node): Use it.
2192 2016-04-13 Jason Merrill <jason@redhat.com>
2194 * cfgexpand.c (pass_expand::execute): Handle attribute "abi warning".
2195 * expr.c (expand_expr_real_1): Likewise.
2197 2016-04-13 Ilya Enkovich <ilya.enkovich@intel.com>
2199 * config/i386/i386.md (kunpckhi): Swap operands.
2200 (kunpcksi): Likewise.
2201 (kunpckdi): Likewise.
2202 * config/i386/sse.md (vec_pack_trunc_qi): Likewise.
2203 (vec_pack_trunc_<mode>): Likewise.
2205 2016-04-13 Jakub Jelinek <jakub@redhat.com>
2208 * explow.c (convert_memory_address_addr_space_1): Formatting fix.
2211 * gimplify.c (gimplify_init_constructor): Clear TREE_STATIC if
2212 gimplification turns some element into non-constant.
2215 * rtl.h (convert_memory_address_addr_space_1): New prototype.
2216 * explow.c (convert_memory_address_addr_space_1): No longer static,
2217 add NO_EMIT argument and don't call convert_modes if true, pass
2218 it down recursively, remove break after return.
2219 (convert_memory_address_addr_space): Adjust caller.
2220 * simplify-rtx.c (simplify_unary_operation_1): Call
2221 convert_memory_address_addr_space_1 instead of convert_memory_address,
2222 if it returns NULL, don't simplify.
2224 2016-04-12 Eric Botcazou <ebotcazou@adacore.com>
2227 * config/sparc/sparc.c (sparc_compute_frame_size): Add parentheses.
2229 2016-04-12 Jakub Jelinek <jakub@redhat.com>
2231 * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
2232 Bump the upper SIMDLEN limits, so that if the return type or
2233 characteristic type if the return type is void can be passed in
2234 all available SSE2/AVX/AVX2/AVX512-F registers, the SIMDLEN is
2237 2016-04-12 Michael Meissner <meissner@linux.vnet.ibm.com>
2240 * config/rs6000/rs6000.md (ieee_128bit_vsx_neg<mode>2_internal):
2241 Do not use "=" constraint on an input constraint.
2242 (ieee_128bit_vsx_abs<mode>2_internal): Likewise.
2243 (ieee_128bit_vsx_nabs<mode>2_internal): Likewise.
2244 (ieee_128bit_vsx_nabs<mode>2): Correct splitter so that it
2245 generates (neg (abs ...)) instead of (abs ...).
2247 2016-04-12 Jakub Jelinek <jakub@redhat.com>
2249 PR rtl-optimization/70596
2250 * lra-spills.c (spill_pseudos): Don't delete debug insns, instead
2251 just invalidate LRA data and reset them. Adjust dump wording.
2253 2016-04-12 Martin Liska <mliska@suse.cz>
2256 2016-03-30 Jan Hubicka <hubicka@ucw.cz>
2258 * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can't get realistic
2260 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
2261 max_loop_iterations_int.
2262 (tree_unswitch_outer_loop): Likewise.
2263 * tree-ssa-loop-ivopts.c (avg_loop_niter): Likewise.
2264 * tree-vect-loop.c (vect_analyze_loop_2): Likewise.
2266 2016-04-12 Tom de Vries <tom@codesourcery.com>
2268 PR tree-optimization/68756
2269 * graphite-isl-ast-to-gimple.c (copy_cond_phi_args): Use new_expr
2270 instead of new_name.
2272 2016-04-12 Jakub Jelinek <jakub@redhat.com>
2274 PR tree-optimization/70602
2275 * tree-sra.c (generate_subtree_copies): Don't write anything into
2276 constant pool decls.
2278 * omp-low.c (lower_omp_target): Use GOMP_MAP_FIRSTPRIVATE_INT
2279 regardless whether there are depend clauses or not.
2281 2016-04-11 Michael Meissner <meissner@linux.vnet.ibm.com>
2284 * config/rs6000/rs6000.c (rs6000_opt_masks): Disable using the
2285 target attribute and pragma from changing the -mfloat128
2286 and -mfloat128-hardware options.
2288 * doc/extend.texi (Additional Floating Types): Document PowerPC
2289 __float128 restrictions.
2291 2016-04-11 James Greenhalgh <james.greenhalgh@arm.com>
2294 * config/aarch64/driver-aarch64.c
2295 (aarch64_get_extension_string_for_isa_flags): New.
2296 (arch_extension): Rename to...
2297 (aarch64_arch_extension): ...This.
2298 (ext_to_feat_string): Rename to...
2299 (aarch64_extensions): ...This.
2300 (aarch64_core_data): Keep track of architecture extension flags.
2301 (cpu_data): Rename to...
2302 (aarch64_cpu_data): ...This.
2303 (aarch64_arch_driver_info): Keep track of architecture extension
2305 (get_arch_name_from_id): Rename to...
2306 (get_arch_from_id): ...This, change return type.
2307 (host_detect_local_cpu): Update and reformat for renames, handle
2308 extensions through common infrastructure.
2310 2016-04-11 James Greenhalgh <james.greenhalgh@arm.com>
2313 * config/aarch64/aarch64-common.c (aarch64_option_extension): Keep
2314 track of a canonical flag name.
2315 (all_extensions): Likewise.
2316 (arch_to_arch_name): Also track extension flags enabled by the arch.
2317 (all_architectures): Likewise.
2318 (aarch64_parse_extension): Move to here.
2319 (aarch64_get_extension_string_for_isa_flags): Take a new argument,
2321 (aarch64_rewrite_selected_cpu): Update for above change.
2322 * config/aarch64/aarch64-option-extensions.def: Rework the way flags
2323 are handled, such that the single explicit value enabled by an
2324 extension is kept seperate from the implicit values it also enables.
2325 * config/aarch64/aarch64-protos.h (aarch64_parse_opt_result): Move
2327 (aarch64_parse_extension): New.
2328 * config/aarch64/aarch64.c (aarch64_parse_opt_result): Move from
2329 here to config/aarch64/aarch64-protos.h.
2330 (aarch64_parse_extension): Move from here to
2331 common/config/aarch64/aarch64-common.c.
2332 (aarch64_option_print): Update.
2333 (aarch64_declare_function_name): Likewise.
2334 (aarch64_start_file): Likewise.
2335 * config/aarch64/driver-aarch64.c (arch_extension): Keep track of
2336 the canonical flag for extensions.
2337 * config.gcc (aarch64*-*-*): Extend regex for capturing extension
2340 2016-04-11 James Greenhalgh <james.greenhalgh@arm.com>
2342 * config/aarch64/aarch64.h (AARCH64_FL_FOR_ARCH8_1): Also add
2345 2016-04-09 Tom de Vries <tom@codesourcery.com>
2347 PR tree-optimization/68953
2348 * graphite-sese-to-poly.c (pdr_add_memory_accesses): Order accesses from
2349 first to last subscript.
2351 2016-04-09 Jakub Jelinek <jakub@redhat.com>
2353 PR tree-optimization/70586
2354 * tree-ssa-ifcombine.c (bb_no_side_effects_p): Return false
2357 2016-04-08 Cesar Philippidis <cesar@codesourcery.com>
2361 PR tree-optimization/70373
2365 * gimplify.c (gimplify_adjust_omp_clauses): Add or adjust data
2366 clauses for acc parallel reductions as necessary. Error on those
2368 * omp-low.c (scan_sharing_clauses): Don't install variables which
2369 are used in acc parallel reductions.
2370 (lower_rec_input_clauses): Remove dead code.
2371 (lower_oacc_reductions): Add support for reference reductions.
2372 (lower_reduction_clauses): Remove dead code.
2373 (lower_omp_target): Don't remap variables appearing in acc parallel
2375 * tree.h (OMP_CLAUSE_MAP_IN_REDUCTION): New macro.
2377 2016-04-08 Jakub Jelinek <jakub@redhat.com>
2380 * tree-ssa-coalesce.c (build_ssa_conflict_graph): For stmt
2381 with multiple SSA_NAME defs, force the outputs other than first
2382 to be live before calling live_track_process_def on each output.
2384 PR rtl-optimization/70574
2385 * fwprop.c (forward_propagate_and_simplify): Don't add
2386 REG_EQUAL note if DF_REF_REG (use) is a paradoxical subreg.
2387 (try_fwprop_subst): Don't add REG_EQUAL note if there are any
2388 paradoxical subregs within *loc.
2390 2016-04-08 Thomas Schwinge <thomas@codesourcery.com>
2392 * config/arc/arc.h (LINK_COMMAND_SPEC): Use gt to ignore
2393 -ftree-parallelize-loops={0,1}.
2394 * config/darwin.h (LINK_COMMAND_SPEC_A): Likewise.
2395 * config/i386/mingw32.h (GOMP_SELF_SPECS): Likewise.
2396 * config/ia64/hpux.h (LIB_SPEC): Likewise.
2397 * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
2398 * config/pa/pa64-hpux.h (LIB_SPEC): Likewise.
2400 2016-04-08 Maxim Ostapenko <m.ostapenko@samsung.com>
2403 * asan.c (instrument_derefs): If we get unknown location, extract it
2405 (maybe_instrument_call): Instrument gimple_call's arguments if needed.
2407 2016-04-08 Tom de Vries <tom@codesourcery.com>
2409 * omp-low.c (lower_omp_target): Set TREE_NO_WARNING for oacc
2410 implicit firstprivate clause.
2412 2016-04-08 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
2415 * config/arm/thumb2.md (tst + branch-> lsls + branch
2416 peephole below *orsi_not_shiftsi_si): Require that condition
2417 register is dead after the peephole.
2418 (second peephole after the above): Likewise.
2420 2016-04-08 Alan Modra <amodra@gmail.com>
2423 * builtins.c (fold_builtin_classify): For IBM extended precision,
2424 look at just the high-order double to test for NaN.
2425 (fold_builtin_interclass_mathfn): Similarly for Inf. For isnormal
2426 test just the high double for Inf but both doubles for subnormal
2429 2016-04-07 Jakub Jelinek <jakub@redhat.com>
2431 * cgraph.h (struct cgraph_simd_clone): Add mask_mode field.
2432 * omp-low.c (simd_clone_init_simd_arrays, simd_clone_adjust): Handle
2433 node->simdclone->mask_mode != VOIDmode masks.
2434 (simd_clone_adjust_argument_types): Likewise. Move sc var definition
2435 earlier, use it instead of node->simdclone.
2436 * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
2437 Set clonei->mask_mode.
2439 2016-04-06 Patrick Palka <ppalka@gcc.gnu.org>
2442 * parser.c (cp_parser_iteration_statement): New parameter IF_P.
2443 Pass it through to cp_parser_already_scoped_statement.
2444 (cp_parser_already_scoped_statement): New parameter IF_P. Pass
2445 it through to cp_parser_statement.
2446 (cp_parser_statement): Pass IF_P through to
2447 cp_parser_iteration_statement.
2448 (cp_parser_pragma): Adjust call to
2449 cp_parser_iteration_statement.
2451 2016-04-06 Patrick Palka <ppalka@gcc.gnu.org>
2454 * gimplify.c (gimplify_omp_ordered): Add explicit braces to
2455 resolve a future -Wparentheses warning.
2456 * omp-low.c (scan_sharing_clauses): Likewise.
2457 * tree-parloops.c (eliminate_local_variables): Likewise.
2459 2016-04-06 Vladimir Makarov <vmakarov@redhat.com>
2461 PR rtl-optimization/70398
2462 * lra-constraints.c (process_address_1): Check zero scale and code
2463 for reloading with zero scale.
2465 2016-04-06 Uros Bizjak <ubizjak@gmail.com>
2467 * config/i386/sse.md (shuffletype): Add V32HI and V4TI modes.
2468 (ssescalarsize): Add V8SF, V4SF, V4DF and V2DF modes.
2470 2016-04-06 Jakub Jelinek <jakub@redhat.com>
2472 * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
2473 Add support for AVX512F clones, include them by default for
2474 exported OpenMP declare simd functions. For AVX2 allow simdlen 32
2475 and use it if charasteric type is 8-bit, for AVX512F allow simdlen
2479 * tree.h (OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT): Define.
2480 * gimplify.c (gimplify_adjust_omp_clauses_1): Set it for implicit
2481 firstprivate clauses.
2482 * omp-low.c (lower_send_clauses): Set TREE_NO_WARNING for
2483 OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT !by_ref vars in task contexts.
2484 (lower_omp_target): Set TREE_NO_WARNING for
2485 non-addressable possibly uninitialized vars which are copied into
2486 addressable temporaries or copied for GOMP_MAP_FIRSTPRIVATE_INT.
2488 2016-04-05 John David Anglin <danglin@gcc.gnu.org>
2490 * config/pa/predicates.md (integer_store_memory_operand): Accept
2491 REG+D operands with a large offset when reload_in_progress is true.
2492 (floating_point_store_memory_operand): Likewise.
2494 2016-04-05 Jakub Jelinek <jakub@redhat.com>
2497 * match.pd (nested int casts): Limit to GIMPLE.
2499 2016-04-05 Jan Hubicka <hubicka@ucw.cz>
2502 * ipa-devirt.c (maybe_record_node): Fix comment; use
2503 SANITIZE_UNREACHABLE instead of SANITIZE_UNDEFINED.
2505 2016-04-05 Jakub Jelinek <jakub@redhat.com>
2507 PR rtl-optimization/70542
2508 * ree.c (add_removable_extension): For VECTOR_MODE_P punt
2509 if there are any uses other than insn or debug insns.
2511 2016-04-05 Marc Glisse <marc.glisse@inria.fr>
2512 Jakub Jelinek <jakub@redhat.com>
2514 PR tree-optimization/70509
2515 * simplify-rtx.c (simplify_binary_operation_1) <case VEC_SELECT>:
2516 Shift HOST_WIDE_INT_1U instead of 1.
2518 2016-04-05 Zdenek Sojka <zsojka@seznam.cz>
2520 PR tree-optimization/70509
2521 * tree-ssa-forwprop.c (simplify_bitfield_ref): Use bitsize_int instead
2522 of the vector base type for index.
2524 2016-04-05 Uros Bizjak <ubizjak@gmail.com>
2527 * config/i386/sse.md (iptr): Add V64QI, V32HI, V16SI and V8DI modes.
2529 2016-04-05 Richard Biener <rguenther@suse.de>
2531 PR tree-optimization/70526
2532 * tree-sra.c (build_ref_for_offset): Use prev_base to
2533 extract the alias pointer type.
2535 2016-04-05 Richard Biener <rguenther@suse.de>
2537 * dse.c (struct store_info): Remove alias_set member.
2538 (struct read_info_type): Likewise.
2539 (clear_alias_group, clear_alias_mode_table, clear_alias_mode_holder,
2540 spill_deleted, clear_alias_set_lookup): Remove.
2541 (get_group_info): Remove dead base == NULL_RTX case.
2542 (dse_step0): Remove initialization of removed variables.
2543 (delete_dead_store_insn): Reomve alias set dumping.
2544 (free_read_records): Remove alias_set handling.
2545 (canon_address): Remove alias_set_out parameter.
2546 (record_store): Remove spill_alias_set, it's always zero.
2547 (check_mem_read_rtx): Likewise.
2548 (dse_step2): Rename from ...
2549 (dse_step2_nospill): ... this. Adjust.
2550 (scan_stores): Rename from ...
2551 (scan_stores_nospill): ... this.
2552 (scan_reads): Rename from ...
2553 (scan_reads_nospill): ... this.
2554 (scan_stores_spill, scan_reads_spill): Remove.
2555 (dse_step3_scan): Remove for_spills argument which is always false.
2556 (dse_step3): Likewise.
2557 (dse_step5): Rename from ...
2558 (dse_step5_nospill): ... this. Remove alias_set handling.
2559 (rest_of_handle_dse): Adjust.
2561 2016-04-05 Jakub Jelinek <jakub@redhat.com>
2564 * config/i386/sse.md (*andnot<mode>3): Simplify assertions.
2565 Use vpandn<ssemodesuffix> for V16SI/V8DImode, vpandnq for
2566 V32HI/V64QImode, don't use <mask_operand3_1>, fix up formatting.
2567 (*andnot<mode>3_mask): Remove insn with VI12_AVX512VL iterator.
2569 2016-04-05 Richard Biener <rguenther@suse.de>
2572 * gimplify-me.c (gimple_regimplify_operands): Do not rewrite
2573 non-register type temporaries into SSA.
2575 2016-04-04 Jan Hubicka <hubicka@ucw.cz>
2578 * ipa-devirt.c (maybe_record_node): Do not optimize cxa_pure_virtual
2579 calls when sanitizing.
2580 (possible_polymorphic_call_target_p): Fix formatting.
2582 2016-04-04 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2583 Jakub Jelinek <jakub@redhat.com>
2586 * tree-inline.c (estimate_num_insn): Use gimple_call_builtin_p
2587 to ensure a call statement is compatible with a built-in's
2589 * tree-ssa-math-opts.c (pass_optimize_windening_mul::execute):
2592 2016-04-04 Richard Biener <rguenther@suse.de>
2594 PR rtl-optimization/70484
2595 * rtl.h (canon_output_dependence): Declare.
2596 * alias.c (canon_output_dependence): New function.
2597 * dse.c (record_store): Use canon_output_dependence rather
2598 than canon_true_dependence.
2600 2016-03-30 Jan Hubicka <hubicka@ucw.cz>
2603 * cgraph.h (symtab_node::copy_visibility_from): New function.
2604 * symtab.c (symtab_node::copy_visibility_from): New function.
2605 * ipa-visibility.c (optimize_weakref): New function.
2606 (function_and_variable_visibility): Use it.
2608 2016-04-04 Martin Liska <mliska@suse.cz>
2611 * hsa-gen.c (gen_hsa_insns_for_switch_stmt): Guard index
2612 value that is really in range handled by SBR instruction.
2613 * hsa-brig.c (emit_switch_insn): Do not emit unconditional jump.
2614 * hsa-dump.c (dump_hsa_insn_1): Do not dump default BB.
2615 * hsa.h (hsa_insn_sbr::m_default_bb): Remove field.
2617 2016-04-03 Oleg Endo <olegendo@gcc.gnu.org>
2621 * config/sh/sh.md (*addsi3): Allow pattern when reload_in_progress is
2622 set, but not for SP_REG operands.
2624 2016-04-02 Martin Sebor <msebor@redhat.com>
2627 * fold-const.c (maybe_nonzero_address): New function.
2628 (fold_comparison): Call it. Fold equality and relational
2629 expressions involving null pointers.
2630 (tree_single_nonzero_warnv_p): Call maybe_nonzero_address.
2632 2016-03-31 Evandro Menezes <e.menezes@samsung.com>
2634 Fix the predicate "aarch64_simd_reg_or_zero" to correctly validate
2635 the "Y" constraint (scalar FP 0.0 immediate).
2637 * gcc/config/aarch64/predicates.md (aarch64_simd_reg_or_zero):
2638 Add the "const_double" to the list of operand constraints.
2640 2016-04-01 Jakub Jelinek <jakub@redhat.com>
2642 PR rtl-optimization/70467
2643 * config/i386/i386.md (*add<dwi>3_doubleword, *sub<dwi>3_doubleword):
2644 If low word of the last operand is 0, just emit addition/subtraction
2647 2016-04-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
2650 * config/s390/s390.c (s390_expand_insv): Check for everything
2651 constant instead of just VOIDmode stuff.
2653 2016-04-01 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
2656 * config/arm/arm.h (ASM_APP_OFF): Handle TARGET_ARM and TARGET_THUMB.
2658 2016-04-01 Nathan Sidwell <nathan@acm.org>
2660 * tree.def (TRY_CATCH_EXPR): Correct documentation.
2662 2016-03-31 Vladimir Makarov <vmakarov@redhat.com>
2664 PR rtl-optimization/70461
2665 * ira-color.c (allocno_copy_cost_saving): Use allocno class if it
2668 2016-03-31 Martin Liska <mliska@suse.cz>
2671 * hsa-brig.c (hsa_op_immed::emit_to_buffer): Emit either
2672 a tree value or an immediate integer value to a buffer
2673 that is eventually copied to a BRIG section.
2674 (emit_immediate_operand): Call the function here.
2675 * hsa-dump.c (dump_hsa_immed): Remove checking assert.
2676 * hsa-gen.c (hsa_op_immed::hsa_op_immed): Remove initialization
2677 of class' fields that are removed.
2678 (hsa_op_immed::~hsa_op_immed): Remove deinitialization.
2679 * hsa.h (class hsa_op_immed): Remove m_brig_repr and
2680 m_brig_repr_size fields.
2682 2016-03-31 Martin Liska <mliska@suse.cz>
2685 * hsa-gen.c (hsa_function_representation::update_dominance): New
2687 (convert_addr_to_flat_segment): Likewise.
2688 (gen_hsa_memory_set): New alignment argument.
2689 (gen_hsa_ctor_assignment): Likewise.
2690 (gen_hsa_insns_for_single_assignment): Provide alignment
2691 to gen_hsa_ctor_assignment.
2692 (gen_hsa_insns_for_direct_call): Add new argument.
2693 (expand_lhs_of_string_op): New function.
2694 (expand_string_operation_builtin): Likewise.
2695 (expand_memory_copy): New function.
2696 (expand_memory_set): New function.
2697 (gen_hsa_insns_for_call): Use HOST_WIDE_INT.
2698 (convert_switch_statements): Change signature.
2699 (generate_hsa): Use a return value of the function.
2700 (pass_gen_hsail::execute): Do not call
2701 convert_switch_statements here.
2702 * hsa-regalloc.c (hsa_regalloc): Call update_dominance.
2703 * hsa.h (hsa_function_representation::m_modified_cfg): New flag.
2704 (hsa_function_representation::update_dominance): New function.
2706 2016-03-31 Martin Liska <mliska@suse.cz>
2709 * hsa-brig.c (emit_directive_variable): Emit alignment
2710 according to hsa_symbol::m_align.
2711 * hsa-dump.c (hsa_byte_alignment): Move the function to another file.
2712 (dump_hsa_symbol): Dump alignment of HSA symbols.
2713 * hsa-gen.c (get_symbol_for_decl): Set-up alignment of a symbol.
2714 (gen_hsa_addr_with_align): New function.
2715 (hsa_bitmemref_alignment): Use newly added function.
2716 (gen_hsa_insns_for_load): Likewise.
2717 (gen_hsa_insns_for_store): Likewise.
2718 (gen_hsa_memory_copy): New argument added.
2719 (gen_hsa_insns_for_single_assignment): Respect
2720 alignment for assignments processed via gen_hsa_memory_copy.
2721 (gen_hsa_insns_for_direct_call): Likewise.
2722 (gen_hsa_insns_for_return): Likewise.
2723 (gen_function_def_parameters): Set default alignment.
2724 * hsa.c (hsa_object_alignment): New function.
2725 (hsa_byte_alignment): Pasted function.
2726 * hsa.h (hsa_symbol::m_align): New field.
2728 2016-03-31 Bin Cheng <bin.cheng@arm.com>
2730 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Initialize
2731 scratch field for goto case.
2733 2016-03-31 James Greenhalgh <james.greenhalgh@arm.com>
2735 * config/arm/linux-elf.h (ASM_OUTPUT_DEF): Delete.
2737 2016-03-31 Ilya Enkovich <enkovich.gnu@gmail.com>
2740 * config/i386/i386.c (scalar_chain::convert_op): Fix description.
2741 (scalar_chain::convert_insn): Call convert_op for reg
2742 moves to handle undefined registers.
2744 2016-03-31 Nathan Sidwell <nathan@acm.org>
2747 * varasm.c (output_constructor_regular_field): Flush bitfield earlier.
2748 Assert we don't want to move backwards.
2750 2016-03-31 Kirill Yukhin <kirill.yukhin@intel.com>
2753 * config/i386/sse.md (define_mode_attr shuffletype): Fix typo.
2755 2016-03-31 Jakub Jelinek <jakub@redhat.com>
2757 PR rtl-optimization/70460
2758 * ira.c (indirect_jump_optimize): Don't substitute LABEL_REF
2759 with operand from REG_LABEL_OPERAND, instead substitute
2760 SET_SRC or REG_EQUAL note content if it is a LABEL_REF.
2761 Don't do anything for REG_NON_LOCAL_GOTO jumps.
2763 2016-03-31 Martin Liska <mliska@suse.cz>
2765 * passes.c (execute_one_pass): Do not call
2766 todo_after for a discarded function.
2768 2016-03-31 Bin Cheng <bin.cheng@arm.com>
2770 * tree-ssa-loop-ivopts.c (struct comp_cost): New scrach field.
2771 (no_cost, infinite_cost): Initialize the new field.
2772 (get_computation_cost_at): Record setup cost.
2773 (determine_use_iv_cost_address): Skip cost computation for sub
2774 uses if we can estimate it without losing accuracy.
2776 2016-03-30 Jan Hubicka <hubicka@ucw.cz>
2778 * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can't get realistic
2780 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
2781 max_loop_iterations_int.
2782 (tree_unswitch_outer_loop): Likewise.
2783 * tree-ssa-loop-ivopts.c (avg_loop_niter): Likewise.
2784 * tree-vect-loop.c (vect_analyze_loop_2): Likewise.
2786 2016-03-30 Richard Biener <rguenther@suse.de>
2789 * fold-const.c (extract_muldiv_1): Fix thinko in wide_int::from usage.
2791 2016-03-30 Jakub Jelinek <jakub@redhat.com>
2794 * config/i386/i386.c (ix86_expand_vector_set): Fix up argument order
2795 in gen_blendm expander.
2797 2016-03-30 Nick Clifton <nickc@redhat.com>
2800 * config/arm/arm.c (arm_reload_out_hi): Add code to handle the
2801 case where we are already provided with an SImode SUBREG.
2803 2016-03-30 H.J. Lu <hongjiu.lu@intel.com>
2806 * config/i386/i386.c (ix86_expand_epilogue): Properly check
2807 conflict between DRAP register and __builtin_eh_return.
2809 2016-03-30 Michael Matz <matz@suse.de>
2810 Richard Biener <rguenther@suse.de>
2813 * ipa-polymorphic-call.c (struct type_change_info): Change
2814 speculative to an unsigned allowing to limit the work we do.
2815 (csftc_abort_walking_p): New inline function..
2816 (check_stmt_for_type_change): Limit the number of may-defs
2817 skipped for speculative devirtualization to
2818 max-speculative-devirt-maydefs.
2819 * params.def (max-speculative-devirt-maydefs): New param.
2820 * doc/invoke.texi (--param max-speculative-devirt-maydefs): Document.
2822 2016-03-30 Mike Stump <mrs@gcc.gnu.org>
2825 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Use when profiling
2828 2016-03-30 Patrick Palka <ppalka@gcc.gnu.org>
2830 PR tree-optimization/59124
2831 * tree-vrp.c (register_edge_assert_for_2): For NAME != CST1
2832 where NAME = A +- CST2 add the assertion A != (CST1 -+ CST2).
2834 2016-03-29 Jeff Law <law@redhat.com>
2836 * tree-ssa-coalesce.c (struct ssa_conflicts): Fix typo in comment.
2838 2016-03-10 Jan Hubicka <hubicka@ucw.cz>
2840 * tree-ssa-loop-ivcanon.c (try_peel_loop): Change type of peel
2843 2016-03-29 Thomas Schwinge <thomas@codesourcery.com>
2845 * config/gnu.h (CPP_SPEC, LIB_SPEC): Don't override.
2846 * config/i386/gnu.h (STARTFILE_SPEC): Use gcrt1.o instead of
2847 gcrt0.o if linking dynamically.
2849 2016-03-10 Jan Hubicka <hubicka@ucw.cz>
2852 * ipa-devirt.c (methods_equal_p): New function.
2853 (compare_virtual_tables): Use it.
2854 * cgraph.h (symbol_table::symbol_suffix_separator): Declare.
2855 * cgraphclones.c (clone_function_name_1): Use
2856 symbol_table::symbol_suffix_separator.
2857 * coverage.c (build_var): Likewise.
2858 * symtab.c (symbol_table::symbol_suffix_separator): New.
2860 2016-03-29 Jakub Jelinek <jakub@redhat.com>
2862 PR rtl-optimization/70429
2863 * combine.c (simplify_shift_const_1): For ASHIFTRT don't optimize
2864 (cst1 >> count) >> cst2 into (cst1 >> cst2) >> count if
2865 mode != result_mode.
2868 * tree-inline.c (remap_decls): Don't add_local_decl if cfun is null.
2870 PR tree-optimization/70405
2871 * ssa-iterators.h (num_imm_uses): Add missing braces.
2873 2016-03-29 Vladimir Makarov <vmakarov@redhat.com>
2875 PR rtl-optimization/68695
2876 * ira-color.c (allocno_copy_cost_saving): New.
2877 (improve_allocation): Use it.
2879 2016-03-29 Richard Henderson <rth@redhat.com>
2882 * lower-subreg.c (simplify_subreg_concatn): Reject paradoxical subregs.
2884 2016-03-29 Richard Biener <rguenther@suse.de>
2887 * ipa-prop.c (ipa_compute_jump_functions_for_edge): Always
2888 use alignment returned by get_pointer_alignment_1 if it is
2889 bigger than BITS_PER_UNIT.
2890 * builtins.c (get_pointer_alignment_1): Do not return true
2891 for alignment extracted from SSA info.
2893 2016-03-28 James Bowman <james.bowman@ftdichip.com>
2895 * config/ft32/ft32.opt (mnodiv): New.
2896 * config/ft32/ft32.md (*divsi3, *modsi3): Qualify with TARGET_NODIV.
2897 * doc/invoke.texi (FT32 Options -mnodiv): New.
2899 2016-03-28 Kirill Yukhin <kirill.yukhin@intel.com>
2902 * config/i386/i386.md (define_split, andn): Fix modes.
2904 2016-03-26 Richard Biener <rguenther@suse.de>
2905 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
2908 * ipa-inline-transform.c (inline_call): Pass opts_for_fn (to->decl)
2910 TREE_OPTIMIZATION (DECL_FUNCTION_SPECIFIC_OPTIMIZATION (to->decl))
2911 as 2nd argument to cl_optimization_restore().
2913 2016-03-25 Richard Henderson <rth@redhat.com>
2916 * config/aarch64/aarch64.c (aarch64_asm_output_pool_epilogue): New.
2917 * config/aarch64/aarch64-protos.h: Declare it.
2918 * config/aarch64/aarch64.h (ASM_OUTPUT_POOL_EPILOGUE): New.
2920 2016-03-25 Alan Modra <amodra@gmail.com>
2923 * config/rs6000/constraints.md (j): Simplify.
2924 * config/rs6000/predicates.md (easy_fp_constant): Exclude
2926 * config/rs6000/rs6000.md (zero_fp): New mode_attr.
2927 (mov<mode>_hardfloat, mov<mode>_hardfloat32, mov<mode>_hardfloat64,
2928 mov<mode>_64bit_dm, mov<mode>_32bit): Use zero_fp in place of j
2929 in all constraint alternatives.
2930 (movtd_64bit_nodm): Delete "j" constraint alternative.
2932 2016-03-24 Aldy Hernandez <aldyh@redhat.com>
2934 * tree-ssa-propagate.c: Enhance docs for
2935 SSA_PROP_NOT_INTERESTING.
2937 2016-03-24 Aldy Hernandez <aldyh@redhat.com>
2939 * doc/extend.texi: Fix typo in documentation to pure attribute.
2941 2016-03-24 John David Anglin <danglin@gcc.gnu.org>
2944 * config/pa/pa.md (bswapdi2): Use a scratch register.
2946 2016-03-24 Richard Henderson <rth@redhat.com>
2949 * fold-const.c (extract_muldiv_1): Correct test for multiplication
2952 2016-03-24 Uros Bizjak <ubizjak@gmail.com>
2954 * config/i386/i386.md (*anddi3_doubleword): Generate AND insn
2955 using ix86_expand_binary_operator instead of gen_andsi3.
2957 2016-03-24 Richard Biener <rguenther@suse.de>
2959 PR tree-optimization/70396
2960 * tree-vect-stmts.c (vectorizable_comparison): Use
2961 get_vectype_for_scalar_type.
2963 2016-03-24 Richard Biener <rguenther@suse.de>
2966 * gimplify.c (gimplify_asm_expr): Handle !allows_mem outputs
2967 with register bases.
2969 2016-03-24 Richard Biener <rguenther@suse.de>
2971 PR tree-optimization/70372
2972 * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Use
2973 build_all_ones_cst to also handle vector types correctly.
2975 2016-03-23 Michael Meissner <meissner@linux.vnet.ibm.com>
2978 * config/rs6000/rs6000-cpus.def (ISA_2_6_MASKS_SERVER): Do not set
2981 2016-03-23 Marek Polacek <polacek@redhat.com>
2984 * doc/invoke.texi: Document -Wignored-attributes.
2986 2016-03-23 Bin Cheng <bin.cheng@arm.com>
2988 PR tree-optimization/69042
2989 * params.def (PARAM_IV_CONSIDER_ALL_CANDIDATES_BOUND): Increase the
2990 parameter from 30 to 40.
2992 2016-03-23 Bin Cheng <bin.cheng@arm.com>
2994 PR tree-optimization/69042
2995 * tree-ssa-loop-ivopts.c (add_iv_candidate_for_use): Add IV cand
2996 for use with constant offset stripped in base.
2998 2016-03-23 Richard Biener <rguenther@suse.de>
3001 * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Adjust
3002 mode compatibility check.
3003 (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
3005 2016-03-23 Jeff Law <law@redhat.com>
3007 PR tree-optimization/64058
3008 * tree-ssa-coalesce.c (struct coalesce_pair): Add new field
3010 (struct ssa_conflicts): Move up earlier in the file.
3011 (conflicts_, var_map_): New static variables.
3012 (initialize_conflict_count): New function to initialize the
3013 CONFLICT_COUNT field for each conflict pair.
3014 (compare_pairs): Lazily initialize the conflict count and use it
3015 as the first tie-breaker.
3016 (sort_coalesce_list): Add new arguments conflicts, map. Initialize
3017 and wipe conflicts_ and map_ around the call to qsort. Remove
3018 special case for 2 coalesce pairs.
3019 * bitmap.c (bitmap_count_unique_bits): New function.
3020 (bitmap_count_bits_in_word): New function, extracted from
3022 (bitmap_count_bits): Use bitmap_count_bits_in_word.
3023 * bitmap.h (bitmap_count_unique_bits): Declare it.
3025 2016-03-23 Ilya Enkovich <enkovich.gnu@gmail.com>
3028 * config/i386/sol2.h (ASM_OUTPUT_DEF_FROM_DECLS): Follow
3029 transparent alias chain for decl assembler name.
3030 * config/sol2.c (solaris_assemble_visibility): Likewise.
3032 2016-03-23 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
3034 * config/arm/arm1020e.md (1020call_op): Reduce reservation
3036 (v10_fdivs): Likewise.
3037 (v10_fdivd): Likewise.
3039 2016-03-23 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
3042 * config/arm/driver-arm.c (host_detect_local_cpu): Reorder exit logic
3043 to not call fclose twice on file.
3045 2016-03-23 Jakub Jelinek <jakub@redhat.com>
3047 PR tree-optimization/70354
3048 * tree-vect-patterns.c (vect_recog_vector_vector_shift_pattern): If
3049 oprnd0 is wider than oprnd1 and there is a cast from the wider
3050 type to oprnd1, mask it with the mask of the narrower type.
3053 * config/i386/i386.md (*anddi3_doubleword, *<code>di3_doubleword):
3054 Optimize TARGET_STV splitters, if high or low word of last argument
3057 2016-03-22 Jeff Law <law@redhat.com>
3060 tree-ssa-threadbackward.c
3061 (fsm_find_control_statement_thread_paths): Correctly distinguish
3062 between old style jump threads vs FSM jump threads.
3064 2016-03-22 Ilya Enkovich <enkovich.gnu@gmail.com>
3067 * config/i386/i386.c (scalar_chain::convert_op): Support
3068 uninitialized register usage case.
3070 2016-03-22 Richard Biener <rguenther@suse.de>
3073 * genmatch.c (gen_transform): Adjust last parameter to a three-state
3075 (capture::gen_transform): ... to change behavior when substituting
3076 a condition into cond or not-cond expr context.
3077 (dt_simplify::gen_1): Adjust.
3078 * gimple-match-head.c: Include gimplify.h for unshare_expr.
3079 * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Revert
3080 last change and instead change to
3081 A + (B vcmp C ? 1 : 0) -> A - (B vcmp C ? -1 : 0).
3082 (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
3084 2016-03-22 Anthony Green <green@moxielogic.com>
3086 * config/moxie/moxiebox.h (CC1_SPEC): Define. Fix endianness
3087 issue for moxiebox targets.
3088 (CC1PLUS_SPEC): Ditto.
3090 2016-03-22 Richard Biener <rguenther@suse.de>
3093 * fold-const.c (extract_muldiv_1): Properly perform multiplication
3096 2016-03-22 Kirill Yukhin <kirill.yukhin@intel.com>
3098 * config/i386/i386.c (def_builtin): Remove duplicated functionality.
3100 2016-03-22 Kirill Yukhin <kirill.yukhin@intel.com>
3103 * config/i386/i386.c (def_builtin): Handle
3104 OPTION_MASK_ISA_AVX512VL to be and-ed with other
3106 (const struct builtin_description bdesc_special_args[]):
3107 Remove duplicate ISA bits.
3109 2016-03-22 Jakub Jelinek <jakub@redhat.com>
3112 * config/i386/i386.c (ix86_expand_vecop_qihi): Don't bother computing
3113 d.perm[i] for i >= d.nelt. If not full_interleave, compute d.perm[i]
3114 in a way that works also for AVX512BW.
3117 * config/i386/i386.md (cvtsd2ss splitter): Unpack in destination
3118 instead of source if operands[1] is xmm16 and above and
3119 !TARGET_AVX512VL. Use avx512f_vec_dupv16sf_1 instead of
3120 vec_interleave_lowv4sf if we need to unpack xmm16 and above.
3123 * gimplify.c (gimplify_modify_expr): Call gimple_set_no_warning
3124 on assign if (*from_p) is a comparison, set it to
3125 TREE_NO_WARNING (*from_p).
3127 2016-03-21 Jakub Jelinek <jakub@redhat.com>
3130 * lra.c (restore_scratches): Ignore deleted insns.
3132 2016-03-21 Marc Glisse <marc.glisse@inria.fr>
3133 Jakub Jelinek <jakub@redhat.com>
3135 PR tree-optimization/70317
3136 * match.pd (cmp @0 @0): Pass @0 instead of TYPE_MODE (TREE_TYPE (@0))
3139 2016-03-21 Uros Bizjak <ubizjak@gmail.com>
3142 * config/i386/i386.md (movxi): Use ix86_expand_vector_move instead
3143 of ix86_expand_move.
3145 (movti): Use general_operand for operand 1 predicate.
3147 2016-03-21 Martin Liska <mliska@suse.cz>
3149 * hsa-dump.c (dump_hsa_insn_1): dump default branch of SBR
3151 (dump_hsa_symbol): Dump BRIG offset of hsa_symbols.
3153 2016-03-21 Martin Liska <mliska@suse.cz>
3156 * ipa-icf.c (sem_function::parse): Skip static
3157 constructors and destructors.
3159 2016-03-21 Jakub Jelinek <jakub@redhat.com>
3162 * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If IDENT is
3163 function-like macro, peek following token(s) if it is followed
3164 by CPP_OPEN_PAREN token with optional padding in between, and
3165 if not, don't treat it like a macro.
3167 2016-03-21 Thomas Schwinge <thomas@codesourcery.com>
3168 Alexander Monakov <amonakov@ispras.ru>
3170 * config/nvptx/nvptx.c (nvptx_option_override): Don't emit sorry
3171 for the stabs debug format.
3173 2016-03-21 Richard Biener <rguenther@suse.de>
3175 PR tree-optimization/70310
3176 * tree-vect-generic.c (expand_vector_condition): Fold the built
3179 2016-03-21 Kirill Yukhin <kirill.yukhin@intel.com>
3182 * config/i386/sse.md: (define_insn "*vec_dup<mode>"/AVX2):
3183 Block third alternative for AVX-512VL target,
3185 2016-03-21 Martin Liska <mliska@suse.cz>
3188 * hsa-brig.c (emit_function_directives): Mark unemitted
3189 global variables for emission.
3190 * hsa-gen.c (hsa_symbol::hsa_symbol): Initialize a new flag.
3191 (get_symbol_for_decl): Likewise.
3192 * hsa.h (struct hsa_symbol): New flag.
3194 2016-03-21 Richard Biener <rguenther@suse.de>
3196 PR tree-optimization/70288
3197 * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Make sure
3198 we do not estimate unsimplified all-constant conditionals or
3199 switches as optimized away.
3201 2016-03-21 Andrey Belevantsev <abel@ispras.ru>
3203 PR rtl-optimization/69102
3204 * sched-deps.c (sched_analyze_insn): Do not set last_args_size field
3205 when we have a readonly dependency context.
3207 2016-03-18 Jeff Law <law@redhat.com>
3209 PR rtl-optimization/70263
3210 * ira.c (memref_used_between_p): Assert we found END in the insn chain.
3211 (update_equiv_regs): When trying to move a store to after the insn
3212 that sets the source of the store, make sure the store occurs after
3213 the insn that sets the source of the store. When successful note
3214 the REG_EQUIV note created in the dump file.
3216 2016-03-16 David Wohlferd <dw@LimeGreenSocks.com>
3217 Bernd Schmidt <bschmidt@redhat.com>
3219 * doc/extend.texi: Document more potential problems with basic asms.
3221 2016-03-18 Bernd Schmidt <bschmidt@redhat.com>
3223 PR rtl-optimization/70278
3224 * lra-constraints.c (split_reg): Handle the case where biggest_mode is
3227 2016-03-18 Jason Merrill <jason@redhat.com>
3229 * calls.c (load_register_parameters): Fix zero size sibcall logic.
3231 2016-03-18 Kirill Yukhin <kirill.yukhin@intel.com>
3233 * config/i386/sse.md: Use vpbroadcastq for broadcasting DF
3234 values to 128b regs.
3236 2016-03-18 Ilya Enkovich <enkovich.gnu@gmail.com>
3238 PR tree-optimization/70252
3239 * tree-vect-stmts.c (supportable_widening_operation): Check resulting
3240 boolean vector has a proper number of elements.
3241 (supportable_narrowing_operation): Likewise.
3243 2016-03-18 Tom de Vries <tom@codesourcery.com>
3246 * cgraph.c (cgraph_node::get_body): Set dump_file to NULL after save.
3248 2016-03-18 Jakub Jelinek <jakub@redhat.com>
3250 * reload1.c (emit_input_reload_insns): Use simplify_replace_rtx
3251 instead of replace_rtx for DEBUG_INSNs.
3253 2016-03-18 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
3255 * config/i386/znver1.md : Fix latencies of FP/SSE/AVX
3256 load type reservations.
3258 2016-03-17 John David Anglin <danglin@gcc.gnu.org>
3261 * config/pa/constraints.md: Revert 2015-02-13 change. Use
3262 define_constraint for "Q" and "T" constraints.
3264 2016-03-17 Evandro Menezes <e.menezes@samsung.com>
3266 Tweak the pipeline model for Exynos M1
3268 * config/aarch64/aarch64.c (exynosm1_tunings): Enable weak prefetching
3271 2016-03-17 David Malcolm <dmalcolm@redhat.com>
3274 * diagnostic-show-locus.c (compatible_locations_p): Handle the case
3275 where one or both locations aren't within a line_map.
3277 2016-03-17 H.J. Lu <hongjiu.lu@intel.com>
3280 * opts.c (finish_options): Don't set flag_pie to the default if
3281 -fpic, -fPIC, -fno-pic or -fno-PIC is used. Set flag_pic to 0
3284 2016-03-17 Joern Rennecke <joern.rennecke@embecosm.com>
3286 * config/i386/i386.md (*movv4qicc_insn+1..36): Pass
3287 true as ALL_REGS argument to replace_rtx.
3289 2016-03-17 Richard Biener <rguenther@suse.de>
3292 * dwarf2out.c (dwarf2out_early_finish): Process deferred_asm_name
3295 2016-03-17 Jakub Jelinek <jakub@redhat.com>
3298 * rtl.h (replace_rtx): Add ALL_REGS argument.
3299 * rtlanal.c (replace_rtx): Likewise. If true, use REGNO
3300 equality and assert mode is the same, instead of just rtx pointer
3302 * config/i386/i386.md (mov + arithmetics with load peephole): Pass
3303 true as ALL_REGS argument to replace_rtx.
3305 2016-03-17 Ilya Enkovich <enkovich.gnu@gmail.com>
3307 * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Apply
3308 for boolean vector with vector mode only.
3309 (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
3311 2016-03-17 Nick Clifton <nickc@redhat.com>
3314 * config/rx/rx.c (rx_print_integer): Print negative constants in
3317 2016-03-17 Jakub Jelinek <jakub@redhat.com>
3320 * rtlanal.c (replace_rtx): Revert 2016-03-16 change.
3322 2016-03-16 Richard Henderson <rth@redhat.com>
3323 Richard Biener <rguenth@suse.de>
3328 * gimplify.c (gimplify_expr) [VEC_COND_EXPR]: Gimplify the
3329 first operand as is_gimple_condexpr.
3334 2015-12-11 Eric Botcazou <ebotcazou@adacore.com>
3335 * tree-vect-generic.c (tree_vec_extract): Remove GSI parameter.
3336 Do not gimplify the result.
3337 (do_unop): Adjust call to tree_vec_extract.
3338 (do_binop): Likewise.
3339 (do_compare): Likewise.
3340 (do_plus_minus): Likewise.
3341 (do_negate): Likewise.
3342 (expand_vector_condition): Likewise.
3343 (do_cond): Likewise.
3345 2016-03-16 Richard Henderson <rth@redhat.com>
3348 * config/aarch64/aarch64.c (virt_or_elim_regno_p): New.
3349 (aarch64_classify_address): Use it.
3350 (aarch64_legitimize_address): Force all subexpressions of PLUS
3351 into registers. Simplify as (sfp+const)+reg or (reg+reg)+const.
3353 2016-03-16 Jakub Jelinek <jakub@redhat.com>
3354 Richard Biener <rguenth@suse.de>
3357 * rtlanal.c (replace_rtx): For REG, if from is a REG,
3358 return to even if only REGNO is equal, and assert
3361 2016-03-11 Jeff Law <law@redhat.com>
3363 PR rtl-optimization/70224
3364 * reorg.c (relax_delay_slots): Pass right argument to CROSSING_JUMP_P.
3366 2016-03-16 Richard Henderson <rth@redhat.com>
3369 * function.h (struct function): Add has_forced_label_in_static.
3370 * gimplify.c (force_labels_r): Set it.
3371 * lto-streamer-in.c (input_struct_function_base): Read it.
3372 * lto-streamer-out.c (output_struct_function_base): Write it.
3373 * tree-inline.c (has_label_address_in_static_1): Remove.
3374 (copy_forbidden): Remove fndecl parameter; test
3375 has_forced_label_in_static.
3376 (inline_forbidden_p): Update call to copy_forbidden.
3377 (tree_versionable_function_p): Likewise.
3378 * ipa-chkp.c (chkp_instrumentable_p): Likewise.
3379 (chkp_versioning): Likewise.
3380 * tree-inline.h (copy_forbidden): Update decl.
3382 2016-03-16 Marek Polacek <polacek@redhat.com>
3385 * cgraphunit.c (cgraph_node::expand_thunk): Also build call to the
3386 function being thunked if the result type doesn't have fixed size.
3387 * gimplify.c (gimplify_modify_expr): Also set LHS if the result type
3388 doesn't have fixed size.
3390 2016-03-16 Bin Cheng <bin.cheng@arm.com>
3392 * tree-vect-loop.c (vect_analyze_loop_2): Fix wrong dump info by
3393 reporting malformed loop nest.
3395 2016-03-16 Tom de Vries <tom@codesourcery.com>
3398 * ipa-devirt.c (possible_polymorphic_call_targets): Move
3399 nodes.length () == 1 test to before first nodes[0] access.
3401 2016-03-16 Tom de Vries <tom@codesourcery.com>
3403 PR tree-optimization/68715
3404 * graphite-scop-detection.c (scop_detection::merge_sese): Add missing
3407 2016-03-16 Tom de Vries <tom@codesourcery.com>
3409 PR tree-optimization/68809
3410 * graphite-scop-detection.c (same_close_phi_node): Test if result types
3413 2016-03-16 Carlos O'Donell <carlos@redhat.com>
3414 Sandra Loosemore <sandra@codesourcery.com>
3416 * doc/extend.texi (Common Function Attributes): Describe ifunc impact
3417 on leaf attribute. Mention ELF interposition problems.
3419 2016-03-16 Alan Modra <amodra@gmail.com>
3421 PR rtl-optimization/69195
3422 PR rtl-optimization/47992
3423 * ira.c (indirect_jump_optimize): Ignore artificial defs.
3426 2016-03-15 Eric Botcazou <ebotcazou@adacore.com>
3429 * dwarf2out.c (flush_limbo_die_list): Really flush the limbo list.
3431 2016-03-15 Senthil Kumar Selvaraj <senthil_kumar.selvaraj@atmel.com>
3433 * config/avr/avr.md (rotl<mode>3): Set mode for operand 2.
3435 2016-03-15 Jakub Jelinek <jakub@redhat.com>
3437 PR rtl-optimization/70222
3438 * combine.c (simplify_shift_const_1): For A >> B >> C LSHIFTRT
3439 optimization if mode is different from result_mode, queue up masking
3440 of the result in outer_op. Formatting fix.
3443 * tree-ssa-sccvn.c (VN_INFO_GET): Use safe_grow_cleared instead
3446 2016-03-15 Andrey Belevantsev <abel@ispras.ru>
3448 PR rtl-optimization/69032
3449 * sel-sched-ir.c (get_seqno_by_preds): Include both insn and head when
3450 looping backwards over basic block insns.
3452 2016-03-15 Andrey Belevantsev <abel@ispras.ru>
3455 * sel-sched-ir.c (merge_expr): Avoid changing the speculative pattern
3456 to non-speculative when propagating trap bits.
3458 2016-03-15 Andrey Belevantsev <abel@ispras.ru>
3460 PR rtl-optimization/63384
3461 * sel-sched.c (invoke_aftermath_hooks): Do not decrease issue_more on
3464 2016-03-15 Andrey Belevantsev <abel@ispras.ru>
3467 * sched-deps.c (get_implicit_reg_pending_clobbers): New function,
3468 factored out from ...
3469 (sched_analyze_insn): ... here.
3470 * sched-int.h (get_implicit_reg_pending_clobbers): Declare it.
3471 * sel-sched-ir.c (setup_id_implicit_regs): New function, use
3472 get_implicit_reg_pending_clobbers in it.
3473 (setup_id_reg_sets): Use setup_id_implicit_regs.
3474 (deps_init_id): Ditto.
3476 2016-03-15 Tom de Vries <tom@codesourcery.com>
3479 * cgraph.c (cgraph_node::get_body): Save, reset and restore
3481 * passes.c (execute_one_ipa_transform_pass): Add missing argument to
3482 execute_function_dump.
3483 (execute_one_pass): Don't dump function if it will be dumped after ipa
3486 2016-03-15 Segher Boessenkool <segher@kernel.crashing.org>
3488 * genrecog.c (match_pattern_2): If pred is NULL don't call
3489 safe_predicate_mode on it.
3491 2016-03-14 Jakub Jelinek <jakub@redhat.com>
3494 * lra-constraints.c (delete_move_and_clobber): Change assertion
3495 to also allow dregno == 0.
3497 2016-03-14 Richard Henderson <rth@redhat.com>
3500 * tree-ssa-reassoc.c (ovce_extract_ops, optimize_vec_cond_expr): New.
3501 (can_reassociate_p): Allow ANY_INTEGRAL_TYPE_P.
3502 (reassociate_bb): Use optimize_vec_cond_expr; avoid
3503 optimize_range_tests, attempt_builtin_copysign and attempt_builtin_powi
3506 2016-03-14 Bernd Schmidt <bschmidt@redhat.com>
3509 * lra-lives.c (process_bb_lives): Also update biggest mode for hard
3511 (lra_create_live_ranges_1): initialize hard register biggest_mode to
3513 * lra-constraints.c (split_reg): For hard regs, try to find the
3514 biggest single-register mode used in the function.
3516 2016-03-14 Richard Biener <rguenther@suse.de>
3518 PR tree-optimization/56365
3519 * tree-ssa-phiopt.c (minmax_replacement): Handle alternate
3520 constants to compare against.
3522 2016-03-14 Segher Boessenkool <segher@kernel.crashing.org>
3525 * config/rs6000/rs6000.md (*ctr<mode>_internal1, *ctr<mode>_internal2,
3526 *ctr<mode>_internal5, *ctr<mode>_internal6): Also allow "d" as output.
3527 (define_split for the GPR case): Use int_reg_operand instead of
3528 gpc_reg_operand for the output.
3530 2016-03-14 Tom de Vries <tom@codesourcery.com>
3532 PR tree-optimization/70045
3533 * graphite-isl-ast-to-gimple.c (graphite_create_new_loop_guard): Unshare
3534 create_empty_if_region_on_edge argument.
3536 2016-03-13 Eric Botcazou <ebotcazou@adacore.com>
3538 * config/arm/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Define.
3539 (STACK_CHECK_PROTECT): Likewise.
3540 * config/i386/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise
3541 (STACK_CHECK_PROTECT): Likewise.
3542 * config/rs6000/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise
3543 (STACK_CHECK_PROTECT): Likewise.
3544 * config/rs6000/vxworksae.h (STACK_CHECK_PROTECT): Likewise.
3545 * config/sparc/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise.
3546 (STACK_CHECK_PROTECT): Likewise.
3548 2016-03-12 Andrey Belevantsev <abel@ispras.ru>
3550 PR rtl-optimization/69307
3551 * sel-sched.c (choose_best_pseudo_reg): Properly check for hard
3552 registers in modes that span more than one register.
3554 2016-03-12 Vladimir Makarov <vmakarov@redhat.com>
3557 * lra-constraints.c (delete_move_and_clobber): New.
3558 (remove_inheritance_pseudos): Use it.
3560 2016-03-12 Eric Botcazou <ebotcazou@adacore.com>
3563 * calls.c (emit_library_call_value_1): Clear the ECF_NOTHROW flag if
3564 the libcall is LCT_THROW.
3565 * explow.c (probe_stack_range): Pass LCT_THROW to emit_library_call
3566 for the checking routine.
3568 2016-03-11 Michael Meissner <meissner@linux.vnet.ibm.com>
3571 * config/rs6000/rs6000.md (round32<mode>2_fprs): Do not do the
3572 optimization if we have direct move.
3573 (roundu32<mode>2_fprs): Likewise.
3575 2016-03-11 Bernd Schmidt <bschmidt@redhat.com>
3578 * lra-remat.c (operand_to_remat): Disallow hard regs in the value t
3580 (reg_overlap_for_remat_p): Renamed from input_regno_present_p.
3581 Arguments swapped. All callers changed. Take reg_renumber into
3582 account, and Calculate and compare register ranges for hard regs.
3584 2016-03-11 Jeff Law <law@redhat.com>
3586 PR tree-optimization/70190
3587 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
3588 Handle cases where we can not extract the taken edge, even though we
3589 found a constant value.
3591 PR tree-optimization/64058
3592 * tree-ssa-coalesce.c (struct coalesce_pair): Add new field INDEX.
3593 (num_coalesce_pairs): Move up earlier in file.
3594 (find_coalesce_pair): Initialize the INDEX field for each pair
3596 (compare_pairs): No longer sort on the elements in each pair.
3597 Instead break ties with the index of the coalesce pair.
3599 2016-03-11 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
3602 * config/aarch64/aarch64-protos.h
3603 (aarch64_save_restore_target_globals): New prototype.
3604 * config/aarch64/aarch64-c.c (aarch64_pragma_target_parse):
3605 Call the above when popping pragma.
3606 * config/aarch64/aarch64.c (aarch64_save_restore_target_globals):
3608 (aarch64_set_current_function): Rewrite using the above.
3610 2016-03-11 Jakub Jelinek <jakub@redhat.com>
3612 PR tree-optimization/70177
3613 * gimple-expr.h (extract_ops_from_tree_1): Renamed to ...
3614 (extract_ops_from_tree): ... this. In the 2 argument
3615 overload remove _1 suffix.
3616 * gimple-expr.c (extract_ops_from_tree_1): Renamed to ...
3617 (extract_ops_from_tree): ... this.
3618 * gimple.c (gimple_build_assign, gimple_assign_set_rhs_from_tree):
3620 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Likewise.
3621 * tree-ssa-forwprop.c (defcodefor_name): Call 3 operand
3622 extract_ops_from_tree instead of 2 operand one.
3624 2016-03-11 Alan Lawrence <alan.lawrence@arm.com>
3626 PR tree-optimization/70013
3627 * tree-sra.c (analyze_access_subtree): Also set grp_unscalarized_data
3628 for constant-pool entries.
3630 2016-03-11 Jakub Jelinek <jakub@redhat.com>
3632 PR rtl-optimization/70174
3633 * expmed.c (store_bit_field_using_insv): Use gen_lowpart_if_possible
3634 followed by gen_lowpart on force_reg instead of just gen_lowpart.
3636 PR tree-optimization/70169
3637 * tree-ssa-loop.c (gen_lsm_tmp_name): Handle FUNCTION_DECL and
3638 LABEL_DECL like VAR_DECL. Emit nothing instead of gcc_unreachable
3641 2016-03-11 Ilya Enkovich <enkovich.gnu@gmail.com>
3642 Jakub Jelinek <jakub@redhat.com>
3645 * config/i386/i386.c (scalar_chain::convert_reg): Skip uses
3646 of uninitialized values.
3648 2016-03-11 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
3650 * config/s390/s390.md ("trunctddd2"): Turn former define_insn into
3652 ("*trunctddd2"): New pattern definition.
3653 ("trunctdsd2"): Set prep_for_short_prec rounding mode for the
3656 2016-03-11 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
3658 * config/s390/s390.md (BFP_RND_*, DFP_RND_*): Add new constant
3659 definitions for BFP and DFP rounding modes.
3660 ("fixuns_truncdddi2", "fixuns_trunctddi2")
3661 ("fixuns_trunc<BFP:mode><GPR:mode>2", "fixuns_trunc<mode>si2")
3662 ("fix_trunc<DSF:mode><GPR:mode>2", "fix_trunc<mode>di2")
3663 ("fix_trunctf<mode>2"): Use the new constants instead of magic
3666 2016-03-11 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
3668 * config/s390/constraints.md: Adjust comment.
3669 ("Y"): Adjust comment. Rename s390_decompose_shift_count to
3670 s390_decompose_addrstyle_without_index.
3671 * config/s390/predicates.md (shift_count_or_setmem_operand):
3672 Rename to setmem_operand.
3673 * config/s390/s390-protos.h
3674 (s390_decompose_shift_count): Rename to
3675 s390_decompose_addrstyle_without_index.
3676 * config/s390/s390.c (s390_decompose_shift_count)
3677 (s390_mem_constraint, print_shift_count_operand)
3678 (print_operand_address, print_operand): Rename
3679 s390_decompose_shift_count to
3680 s390_decompose_addrstyle_without_index and rename
3681 print_shift_count_operand to print_addrstyle_operand troughout the
3683 * config/s390/s390.md ("setmem_long_<P:mode>", "*setmem_long")
3684 ("*setmem_long_and", "*setmem_long_31z", "*setmem_long_and_31z"):
3685 Rename shift_count_or_setmem_operand to setmem_operand.
3686 * config/s390/vx-builtins.md ("vec_insert<mode>")
3687 ("vec_promote<mode>"): Replace shift_count_or_setmem_operand with
3690 2016-03-10 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3693 * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap):
3694 Handle overlapping retval and newval.
3696 2016-03-10 Nick Clifton <nickc@redhat.com>
3699 * config/aarch64/aarch64.c
3700 (aarch64_override_options_after_change_1): When forcing
3701 flag_omit_frame_pointer to be true, use a special value that can
3702 be detected if this function is called again, thus preventing
3703 flag_omit_leaf_frame_pointer from being forced to be false.
3705 2016-03-10 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
3707 * common/config/aarch64/aarch64-common.c (aarch64_handle_option):
3708 Set x_flag_omit_leaf_frame_pointer when handling
3709 -momit-leaf-frame-pointer.
3711 2016-03-10 Jan Hubicka <hubicka@ucw.cz>
3714 * cgraph.c (cgraph_node::dump): Dump split_part and
3715 indirect_call_target.
3716 * cgraph.h (cgraph_node): Add indirect_call_target flag.
3717 * ipa.c (has_addr_references_p): Cleanup.
3718 (is_indirect_call_target_p): New.
3719 (walk_polymorphic_call_targets): Do not mark virtuals that may be
3720 called indirectly as local.
3721 (symbol_table::remove_unreachable_nodes): Compute indirect_call_target.
3723 2016-03-10 Jan Hubicka <hubicka@ucw.cz>
3726 * ipa-devirt.c (possible_polymorphic_call_targets): Do not ICE
3727 on cxa_pure_virtual.
3729 2016-03-10 Jan Hubicka <hubicka@ucw.cz>
3732 * tree.c (free_lang_data_in_decl): Clear visibility of TYPE_DECL.
3734 2016-03-10 Jan Hubicka <hubicka@ucw.cz>
3737 * tree.c (need_assembler_name_p): Only record main variant type names.
3739 2016-03-10 Christophe Lyon <christophe.lyon@linaro.org>
3742 * config/aarch64/aarch64.h (TARGET_FIX_ERR_A53_843419_DEFAULT):
3743 Always define to 0 or 1.
3744 (TARGET_FIX_ERR_A53_843419): New macro.
3745 * config/aarch64/aarch64-elf-raw.h
3746 (TARGET_FIX_ERR_A53_843419_DEFAULT): Update for above changes.
3747 * config/aarch64/aarch64-linux.h: Likewise.
3748 * config/aarch64/aarch64.c
3749 (aarch64_override_options_after_change_1): Do not default
3750 aarch64_nopcrelative_literal_loads to true if Cortex-A53 erratum
3752 (aarch64_attributes): Handle fix-cortex-a53-843419.
3753 (aarch64_can_inline_p): Likewise.
3754 * config/aarch64/aarch64.opt (aarch64_fix_a53_err843419): Save.
3756 2016-03-10 Alan Lawrence <alan.lawrence@arm.com>
3757 Jakub Jelinek <jakub@redhat.com>
3759 * common.opt (funconstrained-commons, flag_unconstrained_commons): New.
3760 * tree.c (array_at_struct_end_p): Do not limit to size of decl for
3761 DECL_COMMONS if flag_unconstrained_commons is set.
3762 * tree-dfa.c (get_ref_base_and_extent): Likewise.
3763 * doc/invoke.texi (Optimize Options): Add -funconstrained-commons.
3764 (funconstrained-commons): Document.
3766 2016-03-10 Christophe Lyon <christophe.lyon@linaro.org>
3768 * config/aarch64/t-aarch64 (OPTIONS_H_EXTRA): Add
3769 aarch64-fusion-pairs.def and aarch64-tuning-flags.def
3771 2016-03-10 Ilya Enkovich <enkovich.gnu@gmail.com>
3773 * tree-vect-stmts.c (vectorizable_mask_load_store): Check mask
3774 has a proper number of elements.
3776 2016-03-10 Alan Modra <amodra@gmail.com>
3778 PR rtl-optimization/69195
3779 PR rtl-optimization/47992
3780 * ira.c (recorded_label_ref): Delete.
3781 (update_equiv_regs): Return void.
3782 (indirect_jump_optimize): New function.
3783 (ira): Call indirect_jump_optimize and delete_trivially_dead_insns
3784 before regstat_compute_ri. Don't rebuild_jump_labels here.
3785 Delete update_regstat.
3787 2016-03-10 Richard Biener <rguenther@suse.de>
3789 PR tree-optimization/70128
3790 * tree-ssa-structalias.c (set_uids_in_ptset): Set
3791 vars_contains_nonlocal for any FUNCTION_DECL or LABEL_DECL.
3793 2016-03-09 Jakub Jelinek <jakub@redhat.com>
3795 PR tree-optimization/70152
3796 * tree-sra.c (replace_removed_params_ssa_names): Copy over
3797 SSA_NAME_OCCURS_IN_ABNORMAL_PHI from old_name to new_name.
3800 * config/i386/i386.md (truncdfsf2 splitter): Use gen_vec_concatv2df
3801 instead of gen_sse2_loadlpd.
3802 * config/i386/sse.md (*vec_concatv2df): Rename to...
3803 (vec_concatv2df): ... this.
3805 PR tree-optimization/70127
3806 * fold-const.c (operand_equal_p): Revert the 2015-10-28 change.
3808 2016-03-09 David Malcolm <dmalcolm@redhat.com>
3812 * diagnostic-show-locus.c (compatible_locations_p): New function.
3813 (layout::layout): Sanitize ranges using compatible_locations_p.
3815 2016-03-09 David Malcolm <dmalcolm@redhat.com>
3819 * diagnostic-show-locus.c (layout_range::layout_range): Replace
3820 location_range param with three const expanded_locations * and a
3822 (layout::layout): Replace call to
3823 rich_location::lazily_expand_location with get_expanded_location.
3824 Extract the range and perform location expansion here, passing
3825 the results to the layout_range ctor.
3826 * diagnostic.c (source_range::debug): Delete.
3827 * diagnostic.h (diagnostic_expand_location): Reimplement in terms
3828 of rich_location::get_expanded_location.
3829 * gcc-rich-location.c (get_range_for_expr): Delete.
3830 (gcc_rich_location::add_expr): Reimplement to avoid the
3831 rich_location::add_range overload that took a location_range,
3832 passing a location_t instead.
3834 2016-03-09 Richard Biener <rguenther@suse.de>
3835 Jakub Jelinek <jakub@redhat.com>
3837 PR tree-optimization/70138
3838 * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
3839 Also skip vect_double_reduction_def.
3841 2016-03-09 Jakub Jelinek <jakub@redhat.com>
3844 * config/i386/sse.md (*vec_extract<mode>): Use %0 instead of %k0
3845 if the operand is "m".
3847 2016-03-09 Nathan Sidwell <nathan@acm.org>
3849 * config/nvptx/nvptx.c (nvptx_option_override): Don't kill debug level.
3851 2016-03-09 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
3853 * config/i386/i386.c (processor_target_table): Fix cost table
3854 intialization order for znver1.
3856 2016-03-08 Jakub Jelinek <jakub@redhat.com>
3858 * ipa-polymorphic-call.c (walk_ssa_copies): Fix spelling
3859 - becuase -> because.
3860 * ipa-reference.c (ignore_module_statics): Likewise.
3861 * cgraph.c (cgraph_node::get_body): Likewise.
3862 * ipa-inline.c (early_inliner): Likewise.
3863 * ipa-devirt.c (types_same_for_odr): Likewise.
3864 * tree-streamer-out.c (pack_ts_type_common_value_fields): Likewise.
3865 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Likewise.
3867 2016-03-08 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
3869 * tree-ssa-math-opts.c: Fix typo in comment.
3871 2016-03-08 Jakub Jelinek <jakub@redhat.com>
3874 * config/i386/i386.c (scalar_chain::make_vector_copies,
3875 scalar_chain::convert_reg): Call end_sequence in between
3876 get_insns and emit_conversion_insns rather than after both
3879 2016-03-07 Uros Bizjak <ubizjak@gmail.com>
3882 * config/i386/i386.h (machine_function): Add
3883 pc_thunk_call_expanded flag.
3884 (ix86_pc_thunk_call_expanded): New define.
3885 * config/i386/i386.md (set_got, set_got_labelled): New expanders.
3886 (*set_got): Rename insn pattern from set_got.
3887 (*set_got_labelled): Rename inst pattern from set_got_labelled.
3888 * config/i386/i386.c (ix86_compute_frame_layout): Use
3889 ix86_pc_thunk_call_expanded to prevent red-zone.
3891 2016-03-07 Martin Jambor <mjambor@suse.cz>
3893 * hsa.h (hsa_get_ctor_statements): Declare.
3894 (hsa_get_dtor_statements): Likewise.
3895 (hsa_get_kernel_dispatch_type): Likewise.
3896 * hsa.c (hsa_get_ctor_statements): New function.
3897 (hsa_get_dtor_statements): Likewise.
3898 (hsa_get_kernel_dispatch_type): Likewise.
3899 * hsa-brig.c (hsa_cdtor_statements): Removed.
3900 (hsa_output_libgomp_mapping): Use hsa_get_ctor_statements and
3901 hsa_get_dtor_statements.
3902 * hsa-gen.c (hsa_kernel_dispatch_type): Removed.
3903 (get_hsa_kernel_dispatch_offset): Use hsa_get_kernel_dispatch_type.
3905 2016-03-07 Andre Vieira <andre.simoesdiasvieira@arm.com>
3907 * config/arm/arm-cores.def (cortex-r8): New.
3908 * config/arm/arm-tables.opt (cortex-r8): Regenerate.
3909 * config/arm/arm-tune.md: Likewise.
3910 * gcc/doc/invoke.texi: Add cortex-r8 to list of cpu values.
3912 2016-03-07 Martin Sebor <msebor@redhat.com>
3914 PR rtl-optimization/19705
3915 * doc/invoke.texi (Options That Control Optimization): Clarify
3916 -fno-branch-count-reg.
3918 2016-02-26 Richard Biener <rguenther@suse.de>
3919 Jeff Law <law@redhat.com>
3921 PR tree-optimization/69740
3922 * cfghooks.c (remove_edge): Request loop fixups if we delete
3923 an edge that might turn an irreducible loop into a natural
3925 * cfgloop.h (check_verify_loop_structure): Clear LOOPS_NEED_FIXUP.
3926 Move after definition of loops_state_clear.
3928 2016-03-07 Bin Cheng <bin.cheng@arm.com>
3930 PR rtl-optimization/69052
3931 * rtlanal.c (commutative_operand_precedence): Set higher precedence
3934 2016-03-07 Tom de Vries <tom@codesourcery.com>
3936 PR tree-optimization/70116
3937 * tree-ssa-tail-merge.c (merge_stmts_p): New function, handling
3938 is_tm_ending stmts and ubsan/asan internal functions.
3939 (find_duplicate): Use it. Don't test is_tm_ending here.
3941 2016-03-07 Richard Biener <rguenther@suse.de>
3943 PR tree-optimization/70115
3944 * tree-ssa-loop-ivcanon.c (propagate_into_all_uses): Remove.
3945 (propagate_constants_for_unrolling): Use replace_uses_by.
3947 2016-03-07 Nathan Sidwell <nathan@codesourcery.com>
3950 * omp-low.c (struct oacc_loop): Add ifns.
3951 (new_oacc_loop_raw): Initialize it.
3952 (finish_oacc_loop): Clear mask & flags if no ifns.
3953 (oacc_loop_discover_walk): Count IFN_GOACC_LOOP calls.
3954 (oacc_loop_xform_loop): Add ifns arg & adjust.
3955 (oacc_loop_process): Adjust oacc_loop_xform_loop call.
3957 2016-03-07 Richard Henderson <rth@redhat.com>
3960 * tree-outofssa.c (emit_partition_copy): Flush pending stack adjust.
3961 (insert_value_copy_on_edge): Likewise.
3963 2016-03-07 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
3965 * config/arm/arm_neon.h: Show error if using with soft-float ABI.
3967 2016-03-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3970 * config/i386/sol2.h (STACK_REALIGN_DEFAULT): Define.
3972 2016-03-05 Venkataramanan Kumar <Venkataramanan.kumar@amd.com>
3974 * config/i386/i386.c (znver1_cost): Fix Multiply cost.
3976 2016-03-05 Venkataramanan Kumar <Venkataramanan.kumar@amd.com>
3978 Fix sseimul type attribute.
3979 * config/i386/znver1.md
3980 (znver1_sseimul, znver1_sseimul_avx256, znver1_sseimul_load,
3981 znver1_sseimul_avx256_load) : Fix the type attribute.
3982 (znver1_sseimul_di, znver1_sseimul_load_di): Fix type attribute,
3983 pipe usage and latency.
3985 2016-03-05 Jakub Jelinek <jakub@redhat.com>
3988 * tree-inline.c (copy_tree_body_r): When cancelling ADDR_EXPR
3989 of INDIRECT_REF and ADDR_EXPR changed type, fold_convert it
3992 2016-03-04 Bernd Schmidt <bschmidt@redhat.com>
3995 * targhooks.c (default_vector_alignment): Limit to MAX_OFILE_ALIGNMENT.
3997 PR rtl-optimization/69941
3998 * postreload.c (reload_combine_recognize_pattern): Ensure all uses of
3999 the reg share its mode.
4001 2016-03-04 Jeff Law <law@redhat.com>
4003 PR tree-optimization/69196
4004 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
4005 If the both SSA_NAMEs are anonymous, then consider them unassociated
4006 and include the PHI in the statement count.
4008 2016-03-05 Tom de Vries <tom@codesourcery.com>
4010 * omp-low.c (check_omp_nesting_restrictions): Check for non-oacc
4011 construct in oacc routine. Check for oacc region in oacc routine.
4013 2016-03-04 Jakub Jelinek <jakub@redhat.com>
4016 * config/i386/i386.c (decide_alg): Add RECUR argument. Revert
4017 2016-02-22 changes, instead don't recurse if RECUR is already true.
4018 Don't change *dynamic_check if RECUR. Adjust recursive caller
4019 to pass true to the new argument.
4020 (ix86_expand_set_or_movmem): Adjust decide_alg caller.
4023 * config/i386/sse.md (vec_set_lo_<mode><mask_name>,
4024 <extract_type_2>_vinsert<shuffletype><extract_suf_2>_mask): Formatting
4026 (vec_set_hi_<mode><mask_name>): Likewise. Swap VEC_CONCAT operands.
4028 2016-03-04 Bernd Schmidt <bschmidt@redhat.com>
4030 PR rtl-optimization/57676
4031 * lra-assigns.c (lra_assign): Guard test for maximum iterations
4034 2016-03-04 Ilya Enkovich <enkovich.gnu@gmail.com>
4036 * tree-vect-patterns.c (search_type_for_mask): Handle
4037 comparison of booleans.
4039 2016-03-04 Jakub Jelinek <jakub@redhat.com>
4041 * doc/extend.texi (__builtin_alloca, __builtin_alloca_with_align):
4045 * dwarf2out.c (prune_unused_types_walk_loc_descr): Handle
4046 all other ops that have dw_val_class_die_ref operands,
4047 and DW_OP_GNU_entry_value.
4049 2016-03-03 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
4051 PR rtl-optimization/69904
4052 * config/arm/arm.c (arm_cannot_copy_insn_p):
4053 Return true for load-exclusive instructions.
4055 2016-03-03 Jakub Jelinek <jakub@redhat.com>
4058 * tree-vect-stmts.c (vect_mark_relevant): Remove USED_IN_PATTERN
4059 argument, if STMT_VINFO_IN_PATTERN_P (stmt_info), always mark
4060 the pattern no matter if it is used just by non-pattern, pattern
4062 (process_use, vect_mark_stmts_to_be_vectorized): Adjust callers.
4063 * tree-vect-patterns.c (vect_recog_vector_vector_shift_pattern): If
4064 oprnd1 def_stmt is in pattern, don't look through it.
4066 2016-03-03 Marek Polacek <polacek@redhat.com>
4069 * match.pd (X % -Y): Add INTEGRAL_TYPE_P check.
4071 2016-03-03 Martin Liska <mliska@suse.cz>
4073 PR tree-optimization/70043
4074 * tree-vect-loop.c (optimize_mask_stores): Move iterator to
4075 previous statement if we see a debug statement.
4077 2016-03-03 Richard Biener <rguenther@suse.de>
4079 PR tree-optimization/55936
4080 * tree-vrp.c (compare_name_with_value): Add use_equiv_p
4081 parameter and guard unsafe equivalence use.
4082 (vrp_evaluate_conditional_warnv_with_ops): Always use
4083 safe equivalences but not via the quadratic compare_names
4086 2016-03-03 Michael Collison <michael.collison@linaro.org>
4089 * config/arm/arm.md (*subsi3_carryin_const): Change predicate
4090 for operand 1 to s_register_operand. Change predicate for operand
4091 2 to arm_not_immediate_operand.
4093 2016-03-02 H.J. Lu <hongjiu.lu@intel.com>
4095 * doc/tm.texi: Regenerated.
4097 2016-03-02 Richard Henderson <rth@redhat.com>
4100 * simplify-rtx.c (simplify_plus_minus): Allow reassoc without
4101 simplification when all args are positive non-fixed registers.
4103 2016-03-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4105 * target.def (lra_p): Specify that new ports should use LRA.
4107 2016-03-02 Jakub Jelinek <jakub@redhat.com>
4110 * gimplify.c (gimplify_decl_expr): For decls with REFERENCE_TYPE, also
4111 gimplify_type_sizes the type they refer to.
4112 (omp_notice_variable): Handle reference vars to VLAs.
4113 * omp-low.c (lower_omp_target): Emit setup of OMP_CLAUSE_PRIVATE
4114 reference to VLA decls in the second pass instead of first pass.
4116 2016-03-02 Tom de Vries <tom@codesourcery.com>
4118 PR tree-optimization/68659
4119 * graphite-isl-ast-to-gimple.c (collect_all_ssa_names): Handle
4120 new_expr == NULL_TREE.
4121 (get_new_name): Handle ADDR_EXPR.
4123 2016-03-02 Bin Cheng <bin.cheng@arm.com>
4125 PR rtl-optimization/69052
4126 * loop-invariant.c (canonicalize_address): New function.
4127 (inv_can_prop_to_addr_use): Check validity of address expression
4128 which is canonicalized by above function.
4130 2016-03-02 Alan Modra <amodra@gmail.com>
4133 * ipa-icf.c (sem_variable::merge): Do not merge an alias with
4136 2016-03-02 Jakub Jelinek <jakub@redhat.com>
4139 * config/i386/i386.md (kmovw): Move m constraint to 2nd alternative.
4140 (*movhi_internal): Put mask moves from and to memory separately
4141 from moves from/to GPRs.
4143 2016-03-02 Richard Biener <rguenther@suse.de>
4145 * genmatch.c (dt_node::gen_kids): Fix match code-gen for embedded
4146 GENERIC expressions in GIMPLE.
4148 2016-03-02 Richard Biener <rguenther@suse.de>
4150 * config/i386/i386.c (type_natural_mode): Fix typo.
4152 2016-03-02 Nick Clifton <nickc@redhat.com>
4154 * config.gcc (mep-*-elf): Add newlib-stdint.h to tm_file.
4156 2016-03-02 Richard Biener <rguenther@suse.de>
4157 Uros Bizjak <ubizjak@gmail.com>
4160 * config/i386/i386.c (type_natural_mode): Handle XFmode vectors.
4162 2016-03-02 Richard Biener <rguenther@suse.de>
4165 * tree-cfg.c (verify_expr): Adjust BIT_FIELD_REF case.
4167 2016-03-02 Marek Polacek <polacek@redhat.com>
4170 * gimplify.c (gimplify_va_arg_expr): Use expanded location for the
4171 "is promoted to" warning.
4173 2016-03-01 DJ Delorie <dj@redhat.com>
4175 * config.gcc: Deprecate mep-*.
4177 2016-03-01 Vladimir Makarov <vmakarov@redhat.com>
4180 * lra-constraints.c (regno_val_use_in): New.
4181 (match_reload): Use it instead of regno_use_in.
4183 2016-03-01 Eric Botcazou <ebotcazou@adacore.com>
4185 PR rtl-optimization/70007
4186 * gcse.c (compute_ld_motion_mems): Tidy up and also invalidate memory
4187 references present in REG_EQUAL notes attached to non-SET patterns.
4189 2016-03-01 Jeff Law <law@redhat.com>
4191 PR tree-optimization/69196
4192 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
4193 Appropriately clamp the number of statements to copy when the
4194 thread path does not traverse a loop backedge.
4196 PR tree-optimization/69196
4197 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
4198 Do count some PHIs in the thread path against the insn count. Decrease
4199 final statement count by one as the control statement in the last
4200 block will get removed. Remove special cased code for handling PHIs
4203 2016-03-01 Uros Bizjak <ubizjak@gmail.com>
4206 * config/i386/i386.c (ix86_output_call_insn): Add -masm=intel
4207 asm dialect alternatives to explicit GOTPCREL calls.
4209 2016-03-01 Eric Botcazou <ebotcazou@adacore.com>
4212 * ira.c (do_reload): Issue warning for generic stack checking here...
4213 * reload1.c (reload): ...instead of here and streamline it.
4215 2016-03-01 Nick Clifton <nickc@redhat.com>
4217 * config.gcc (cr16-*-elf): Add newlib-stdint.h to tm_file.
4219 2016-03-01 Richard Biener <rguenther@suse.de>
4221 PR tree-optimization/69983
4222 * tree-chrec.c (eq_evolutions_p): Handle conversions, compare
4223 types and fall back to operand_equal_p.
4225 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
4228 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
4230 * config/s390/constraints.md ("jm8"): New constraint.
4231 * config/s390/predicates.md ("const_int_8bitset_operand"): New
4233 * config/s390/s390.md ("*setmem_long", "*setmem_long_and"): Merge
4235 ("*setmem_long<setmem_and>"): New pattern.
4236 ("*setmem_long_31z", "*setmem_long_and_31z"): Merge
4238 ("*setmem_long_31z<setmem_and>"): New pattern.
4239 * config/s390/subst.md ("setmem_31z_subst", "setmem_and_subst"):
4240 New substitution rules with the required attributes.
4243 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
4246 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
4248 * gensupport.c (process_substs_on_one_elem): Split loop to
4249 complete mark_operands_used_in_match_dup on all expressions in the
4251 (adjust_operands_numbers): Inline into process_substs_on_one_elem
4252 and remove function.
4254 2016-03-01 Richard Biener <rguenther@suse.de>
4257 * fold-const.c (fold_indirect_ref_1): Fix range checking for
4258 vector BIT_FIELD_REF extract.
4260 2016-03-01 Richard Biener <rguenther@suse.de>
4262 PR tree-optimization/69994
4263 * tree-ssa-reassoc.c (ops_equal_values_p): Handle missing case.
4265 2016-03-01 Ilya Enkovich <enkovich.gnu@gmail.com>
4267 PR tree-optimization/69956
4268 * tree-vect-stmts.c (supportable_widening_operation): Support
4269 multi-step conversion of boolean vectors.
4270 (supportable_narrowing_operation): Likewise.
4272 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
4274 * config/s390/s390.c (s390_decompose_address): Don't accept SImode
4277 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
4279 * config/s390/subst.md (DSI_VI): New mode iterator.
4280 ("addr_style_op_subst"): Use DSI_VI instead of DSI.
4281 * config/s390/vector.md ("vec_set<mode>"): Move expander before
4282 the insn definition.
4283 ("*vec_set<mode>"): Change predicate and add alternative to
4284 support only either register or const_int operands as element
4286 ("*vec_set<mode>_plus"): New pattern to support reg + const_int
4288 ("vec_extract<mode>"): New expander.
4289 ("*vec_extract<mode>"): New insn definition supporting reg and
4290 const_int element selectors.
4291 ("*vec_extract<mode>_plus"): New insn definition supporting
4292 reg+const_int element selectors.
4293 ("rotl<mode>3", "ashl<mode>3", "ashr<mode>3"): Merge into the
4294 following expander+insn definition.
4295 ("<vec_shifts_name><mode>3"): New expander.
4296 ("*<vec_shifts_name><mode>3<addr_style_op>"): New insn definition.
4298 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
4300 * config/s390/s390.md ("*tabort_1"): Change predicate to
4301 nonmemory_operand. Add a second alternative to cover
4302 register as well as const int operands.
4303 ("*tabort_1_plus"): New pattern definition.
4305 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
4307 * config/s390/s390.md ("*ashrdi3_cc_31")
4308 ("*ashrdi3_cconly_31""*ashrdi3_cc_31_and")
4309 ("*ashrdi3_cconly_31_and", "*ashrdi3_31_and", "*ashrdi3_31"):
4310 Merge insn definitions into ...
4311 ("*ashrdi3_31<addr_style_op_cc><masked_op_cc><setcc><cconly>"):
4312 New pattern definition.
4313 ("*ashr<mode>3_cc", "*ashr<mode>3_cconly", "ashr<mode>3", )
4314 ("*ashr<mode>3_cc_and", "*ashr<mode>3_cconly_and")
4315 ("*ashr<mode>3_and"): Merge insn definitions into ...
4316 ("*ashr<mode>3<addr_style_op_cc><masked_op_cc><setcc><cconly>"):
4317 New pattern definition.
4318 * config/s390/subst.md ("addr_style_op_cc_subst")
4319 ("masked_op_cc_subst", "setcc_subst", "cconly_subst"): New
4320 substitutions patterns plus attributes.
4321 Add ashiftrt to SUBST iterator.
4323 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
4325 * config/s390/s390.md ("<shift><mode>3"): Change predicate of
4326 op2 to nonmemory_operand.
4327 ("*<shift>di3_31", "*<shift>di3_31_and"):
4328 Merge into single pattern definition ...
4329 ("*<shift>di3_31<addr_style_op><masked_op>"): New pattern.
4330 ("*<shift><mode>3", "*<shift><mode>3_and"): Merge into single
4331 pattern definition ...
4332 ("*<shift><mode>3<addr_style_op><masked_op>"): New pattern.
4333 * config/s390/subst.md: Add ashift and lshiftrt to SUBST
4336 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
4338 * config/s390/predicates.md (const_int_6bitset_operand): New
4340 * config/s390/s390.md: Include subst.md.
4341 ("rotl<mode>3"): New expander.
4342 ("rotl<mode>3", "*rotl<mode>3_and"): Merge insn definitions into
4344 ("*rotl<mode>3<addr_style_op><masked_op>"): New insn definition.
4345 * config/s390/subst.md: New file.
4347 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
4349 * config/s390/s390.md ("op_type", "atype", "length" attributes):
4350 Remove RRR type. It doesn't really exist.
4351 ("RRer", "f0", "v0", "vf", "vd", "op1", "Rf"): Remove mode
4353 ("BFP", "DFP", "nDSF", "nDFDI"): Add mode attributes.
4354 ("*cmp<mode>_ccs", "floatdi<mode>2", "add<mode>3")
4355 ("*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3")
4356 ("*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3")
4357 ("fma<mode>4", "fms<mode>4", "div<mode>3", "*neg<mode>2")
4358 ("*abs<mode>2", "*negabs<mode>2", "sqrt<mode>2"): Override
4359 `enabled' attribute.
4361 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
4363 * gensupport.c (process_substs_on_one_elem): Split loop to
4364 complete mark_operands_used_in_match_dup on all expressions in the
4366 (adjust_operands_numbers): Inline into process_substs_on_one_elem
4367 and remove function.
4369 2016-02-29 Eric Botcazou <ebotcazou@adacore.com>
4372 * config/sparc/sparc.c (NWORDS_UP): Rename to...
4373 (CEIL_NWORDS): ...this. Use CEIL macro.
4374 (compute_fp_layout): Adjust to above renaming.
4375 (function_arg_union_value): Likewise.
4376 (sparc_arg_partial_bytes): Likewise.
4377 (sparc_function_arg_advance): Likewise.
4379 2016-02-29 Jeff Law <law@redhat.com>
4381 PR tree-optimization/70005
4382 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Handle case
4383 where an object with a boolean range is compared against a value
4386 PR tree-optimization/69999
4387 * gimple-ssa-split-paths.c (split_paths): When duplicating a block
4388 with an outgoing edge marked with EDGE_IRREDUCIBLE_LOOP, schedule
4391 2016-02-29 Richard Biener <rguenther@suse.de>
4393 PR tree-optimization/69994
4394 * tree-ssa-reassoc.c (gimple_nop_conversion_p): New function.
4395 (get_unary_op): Look through nop conversions.
4396 (ops_equal_values_p): New function, look for equality diregarding
4398 (eliminate_plus_minus_pair): Use ops_equal_values_p
4399 (repropagate_negates): Do not use get_unary_op here.
4401 2016-02-29 Martin Liska <mliska@suse.cz>
4403 * system.h: Poison ENABLE_CHECKING macro.
4405 2016-02-29 Martin Liska <mliska@suse.cz>
4407 * hsa-gen.c (gen_body_from_gimple): Dump only if TDF_DETAILS
4408 is presented in dump flags.
4409 * hsa-regalloc.c (linear_scan_regalloc): Likewise.
4410 (hsa_regalloc): Likewise.
4412 2016-02-19 Richard Biener <rguenther@suse.de>
4414 PR tree-optimization/69980
4415 * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Update
4416 permutation of those we need to keep.
4418 2016-02-29 Eric Botcazou <ebotcazou@adacore.com>
4421 * config/sparc/sparc.c (ROUND_ADVANCE): Rename to...
4422 (NWORDS_UP): ...this
4423 (init_cumulative_args): Minor tweaks.
4424 (sparc_promote_function_mode): Likewise.
4425 (scan_record_type): Delete.
4426 (traverse_record_type): New function template.
4427 (classify_data_t): New structure type.
4428 (classify_registers): New inline function.
4429 (function_arg_slotno): In 64-bit mode, bail out early if FP slots are
4430 exhausted. Instantiate traverse_record_type on classify_registers and
4431 deal with the case of a structure passed in slot #15 with no FP field
4433 (assign_data_t): New structure type.
4434 (compute_int_layout): New static function.
4435 (compute_fp_layout): Likewise.
4436 (count_registers): New inline function.
4437 (assign_int_registers): New static function.
4438 (assign_fp_registers): Likewise.
4439 (assign_registers): New inline function.
4440 (function_arg_record_value_1): Delete.
4441 (function_arg_record_value_2): Likewise.
4442 (function_arg_record_value_3): Likewise.
4443 (function_arg_record_value): Adjust to above changes. Instantiate
4444 traverse_record_type on count_registers to first count the number of
4445 registers to be used and then on assign_registers to assign them.
4446 (function_arg_union_value): Adjust to above renaming.
4447 (sparc_function_arg_1); Minor tweaks. Remove commented out code.
4448 (sparc_arg_partial_bytes): Adjust to above renaming. Deal with the
4449 case of a structure passed in slot #15
4450 (sparc_function_arg_advance): Likewise.
4451 (function_arg_padding): Minor tweak.
4453 2016-02-29 Richard Biener <rguenther@suse.de>
4455 PR tree-optimization/69720
4456 * tree-vect-loop.c (get_initial_def_for_reduction): Avoid
4457 the adjustment_def path for possibly vectorized defs.
4458 (vect_create_epilog_for_reduction): Handle vectorized initial
4461 2016-02-28 Eric Botcazou <ebotcazou@adacore.com>
4463 * config/i386/cygming.h (STACK_REALIGN_DEFAULT): Define.
4465 2016-02-27 Jeff Law <law@redhat.com>
4468 2016-02-26 Richard Biener <rguenther@suse.de>
4469 Jeff Law <law@redhat.com>
4471 PR tree-optimization/69740
4472 * cfghooks.c (remove_edge): Request loop fixups if we delete
4473 an edge that might turn an irreducible loop into a natural
4476 2016-02-27 Jakub Jelinek <jakub@redhat.com>
4478 PR rtl-optimization/69896
4479 * tree-vect-generic.c (get_compute_type): Avoid single element
4482 2016-02-26 Evandro Menezes <e.menezes@samsung.com>
4484 Rename the AArch64 tuning option and related functions to enable the
4485 Newton series for the reciprocal square root to reflect its
4486 approximative characteristic.
4488 * config/aarch64/aarch64-protos.h (aarch64_emit_swrsqrt): Rename
4489 function to "aarch64_emit_approx_rsqrt".
4490 * config/aarch64/aarch64-tuning-flags.def: Rename tuning flag to
4491 AARCH64_EXTRA_TUNE_APPROX_RSQRT.
4492 * config/aarch64/aarch64.c (exynosm1_tunigs): Use new flag name.
4493 (xgene1_tunings): Likewise.
4494 (use_rsqrt_p): Likewise.
4495 (aarch64_emit_swrsqrt): Use new function name.
4496 * config/aarch64/aarch64-simd.md (aarch64_rsqrts_*): Likewise.
4497 * config/aarch64/aarch64.opt (mlow-precision-recip-sqrt): Reword the
4498 text explaining this option.
4499 * doc/invoke.texi (-mlow-precision-recip-sqrt): Likewise.
4501 2016-02-26 Jakub Jelinek <jakub@redhat.com>
4504 * config/rs6000/rs6000.c (rs6000_option_override_internal): Don't
4505 complain about -mallow-movmisalign without -mvsx if
4506 TARGET_ALLOW_MOVMISALIGN was not set explicitly.
4508 2016-02-26 Joel Sherrill <joel@rtems.org>
4510 * config.gcc: Add x86_64-*-rtems*.
4511 * gcc/config/i386/rtems-64.h: New file.
4513 2016-02-26 Joel Sherrill <joel@rtems.org>
4515 * config.gcc: Add aarch64-*-rtems*.
4516 * gcc/config/aarch64/rtems.h: New file.
4518 2016-02-26 Segher Boessenkool <segher@kernel.crashing.org>
4521 * config/rs6000/rs6000.c (rs6000_insn_for_shift_mask): Print rlwinm
4522 shift amount using %h. Add comment.
4524 2016-02-26 Richard Biener <rguenther@suse.de>
4525 Jeff Law <law@redhat.com>
4527 PR tree-optimization/69740
4528 * cfghooks.c (remove_edge): Request loop fixups if we delete
4529 an edge that might turn an irreducible loop into a natural
4532 2016-02-26 Martin Jambor <mjambor@suse.cz>
4535 * tree-sra.c (sra_modify_assign): Do not remove loads of
4536 uninitialized aggregates to SSA_NAMEs.
4538 2016-02-26 Richard Henderson <rth@redhat.com>
4541 * config/s390/s390.md (risbg and risbgn splitters): Allocate new
4542 pseudo in case the target rtx matches the source of the left
4545 2016-02-26 Martin Jambor <mjambor@suse.cz>
4548 * hsa.h (hsa_type_packed_p): Declare.
4549 * hsa.c (hsa_type_packed_p): New function.
4550 * hsa-gen.c (mem_type_for_type): Use unsigned type for packed
4552 (gen_hsa_insns_for_store): Use hsa_type_packed_p.
4553 * hsa-brig.c (emit_basic_insn): Likewise.
4555 2016-02-26 Martin Jambor <mjambor@suse.cz>
4558 * hsa-gen.c (gen_hsa_phi_from_gimple_phi): Use proper hsa type for
4560 (gen_hsa_addr): Allow integer constants in TMR_INDEX2.
4562 2016-02-26 Martin Jambor <mjambor@suse.cz>
4564 * hsa.h (is_a_helper): New overload for hsa_op_immed for
4565 hsa_op_with_type operands.
4566 (hsa_unsigned_type_for_type): Declare.
4567 * hsa.c (hsa_unsigned_type_for_type): New function.
4568 * hsa-gen.c (gen_hsa_binary_operation): Use hsa_unsigned_type_for_type.
4569 (gen_hsa_insns_for_operation_assignment): Satisfy constrains of
4570 the finalizer. Do not emit extra move.
4572 2016-02-26 Martin Jambor <mjambor@suse.cz>
4574 * hsa-gen.c (gen_hsa_ternary_atomic_for_builtin): Fail in presence of
4575 atomic operations in private segment.
4577 2016-02-26 Martin Jambor <mjambor@suse.cz>
4579 * omp-low.c (grid_find_ungridifiable_statement): Store problematic
4580 statements to wi->info. Also disallow omp simd constructs.
4581 (grid_target_follows_gridifiable_pattern): Use wi.info to dump reason
4582 for not gridifying. Dump special string for omp_for.
4584 2016-02-26 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
4587 * config/aarch64/aarch64.c (aarch64_set_current_function):
4588 Save/restore target globals when switching to
4589 target_option_default_node.
4591 2016-02-26 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
4594 * config/aarch64/aarch64.c (aarch64_shift_truncation_mask):
4595 Return 0 if !SHIFT_COUNT_TRUNCATED.
4597 2016-02-26 Jakub Jelinek <jakub@redhat.com>
4598 Eric Botcazou <ebotcazou@adacore.com>
4600 PR rtl-optimization/69891
4601 * dse.c (scan_insn): If we can't figure out memset arguments
4602 or they are non-constant, call clear_rhs_from_active_local_stores.
4604 2016-02-26 Martin Liska <mliska@suse.cz>
4606 * doc/extend.texi: Mention clog10, clog10f an clog10l
4607 in Builtins section.
4609 2016-02-26 Martin Liska <mliska@suse.cz>
4611 * dwarf2out.c (new_loc_descr): Replace ENABLE_CHECKING with
4613 (resolve_args_picking_1): Likewise.
4614 * dwarf2out.h (struct GTY): Likewise.
4616 2016-02-26 Martin Liska <mliska@suse.cz>
4618 * hsa-gen.c (generate_hsa): Replace ENABLE_CHECKING macro
4620 * hsa-regalloc.c (linear_scan_regalloc): Likewise.
4622 2016-02-26 Markus Trippelsdorf <markus@trippelsdorf.de>
4623 Martin Liska <mliska@suse.cz>
4625 * doc/install.texi: Mention --enable-valgrind-annotations.
4627 2016-02-26 Richard Biener <rguenther@suse.de>
4629 PR tree-optimization/69551
4630 * tree-ssa-structalias.c (get_constraint_for_ssa_var): When
4631 looking through aliases adjust DECL_PT_UID to refer to the
4632 ultimate alias target.
4634 2016-02-25 Martin Liska <mliska@suse.cz>
4637 * alloc-pool.c (after_memory_report): New variable.
4638 * alloc-pool.h (base_pool_allocator ::release): Do not use
4639 the infrastructure if after_memory_report.
4640 * toplev.c (toplev::main): Mark after memory report.
4642 2016-02-25 Richard Biener <rguenther@suse.de>
4644 PR tree-optimization/48795
4645 * tree-vrp.c (check_array_ref): Use array_at_struct_end_p.
4647 2016-02-25 Ilya Verbin <ilya.verbin@intel.com>
4650 * config/gnu-user.h (CRTOFFLOADBEGIN): Define. Add crtoffloadbegin.o if
4651 offloading is enabled and -fopenacc or -fopenmp is specified.
4652 (CRTOFFLOADEND): Likewise.
4653 (GNU_USER_TARGET_STARTFILE_SPEC): Add CRTOFFLOADBEGIN.
4654 (GNU_USER_TARGET_ENDFILE_SPEC): Add CRTOFFLOADEND.
4655 * lto-wrapper.c (offloadbegin, offloadend): Remove static vars.
4656 (offload_objects_file_name): New static var.
4657 (tool_cleanup): Remove offload_objects_file_name file.
4658 (find_offloadbeginend): Replace with ...
4659 (find_crtoffloadtable): ... this.
4660 (run_gcc): Remove offload_argc and offload_argv.
4661 Get offload_objects_file_name from -foffload-objects=... option.
4662 Read names of object files with offload from this file, pass them to
4663 compile_images_for_offload_targets. Don't call find_offloadbeginend and
4664 don't pass offloadbegin and offloadend to the linker. Don't pass
4665 offload non-LTO files to the linker, because now they're not claimed.
4667 2016-02-25 Jan Hubicka <hubicka@ucw.cz>
4670 * ipa-devirt.c (possible_polymorphic_call_targets): Do not ICE
4671 on builtin_unreachable.
4673 2016-02-25 Jakub Jelinek <jakub@redhat.com>
4675 PR rtl-optimization/69896
4676 * regcprop.c: Include cfgrtl.h.
4677 (copyprop_hardreg_forward_1): If noop_p insn uses narrower
4678 than remembered mode, either delete it (if noop_move_p), or
4679 treat like copy_p but not noop_p instruction.
4681 2016-02-24 Jakub Jelinek <jakub@redhat.com>
4684 * dwarf2out.c (gen_variable_die): Work around buggy LTO
4685 - allow NULL decl for Fortran DW_TAG_common_block variables.
4687 2016-02-24 Jason Merrill <jason@redhat.com>
4689 * common.opt (flifetime-dse): Add -flifetime-dse=1.
4691 2016-02-24 Richard Biener <rguenther@suse.de>
4692 Jakub Jelinek <jakub@redhat.com>
4695 * tree-scalar-evolution.c (interpret_rhs_expr): Re-write
4696 conditionally executed ops to well-defined overflow behavior.
4698 2016-02-24 Jakub Jelinek <jakub@redhat.com>
4701 * tree.c (build_vector_from_ctor): Fix handling of VECTOR_CST
4704 2016-02-24 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
4706 PR rtl-optimization/69886
4707 * gcse.c (can_assign_to_reg_without_clobbers_p): Accept mode
4708 argument. Use it when checking validity of set instructions.
4709 (want_to_gcse_p): Pass mode to can_assign_to_reg_without_clobbers_p.
4710 (compute_ld_motion_mems): Update can_assign_to_reg_without_clobbers_p
4712 * rtl.h (can_assign_to_reg_without_clobbers_p): Update prototype.
4713 * store-motion.c (find_moveable_store): Update
4714 can_assign_to_reg_without_clobbers_p callsite.
4716 2016-02-24 Richard Biener <rguenther@suse.de>
4719 * tree-ssa-loop-niter.c (derive_constant_upper_bound_ops): Fix
4721 (record_nonwrapping_iv): Do not fall back to the low/high bound
4722 for non-constant IV bases if the stmt is not always executed.
4724 2016-02-24 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
4726 * config/arm/arm-cores.def (cortex-a32): New entry.
4727 * config/arm/arm-tables.opt: Regenerate.
4728 * config/arm/arm-tune.md: Regenerate.
4729 * config/arm/bpabi.h (BE8_LINK_SPEC): Add mcpu=cortex-a32.
4730 * config/arm/t-aprofile: Handle mcpu=cortex-a32.
4731 * doc/invoke.texi (ARM Options): Document cortex-a32 as value
4732 for -mcpu and -mtune.
4734 2016-02-24 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
4737 * config/arm/arm.h (TARGET_HAVE_LPAE): Define.
4738 * config/arm/unspecs.md (VUNSPEC_LDRD_ATOMIC): New value.
4739 * config/arm/sync.md (arm_atomic_loaddi2_ldrd): New pattern.
4740 (atomic_loaddi_1): Delete.
4741 (atomic_loaddi): Rewrite expander using the above changes.
4743 2016-02-24 Jakub Jelinek <jakub@redhat.com>
4746 * params.def (PARAM_MAX_SSA_NAME_QUERY_DEPTH): Bump default from
4749 2016-02-24 Jakub Jelinek <jakub@redhat.com>
4750 Richard Biener <rguenth@suse.de>
4753 * expr.c (expand_expr_real_1) <normal_inner_ref>: Avoid
4754 set_mem_attributes if tem is SSA_NAME which got expanded
4757 2016-02-24 Richard Biener <rguenther@suse.de>
4759 PR tree-optimization/69907
4760 * tree-vect-stmts.c (vectorizable_load): Check for gaps at the
4761 end of permutations for BB vectorization.
4763 2016-02-24 Christian Bruel <christian.bruel@st.com>
4765 * config/arm/arm-c.c (arm_option_override): Initialize
4766 target_option_current_node.
4767 * config/arm/arm.c (arm_pragma_target_parse): Replace
4768 build_target_option_node call by target_option_current_node.
4769 Set target_option_current_node.
4772 2016-02-23 David Edelsohn <dje.gcc@gmail.com>
4775 * config/rs6000/rs6000.md (zero_extendqi<mode>2_dot): Convert from
4776 define_insn_and_split to define_insn.
4777 (zero_extendqi<mode>2_dot2): Same.
4778 (extendqi<mode>2_dot): Same.
4779 (extendqi<mode>2_dot2): Same.
4781 2016-02-23 Evandro Menezes <e.menezes@samsung.com>
4783 * config/arm/exynos-m1.md: Change cost of STP, fix bypass for stores
4784 and add bypass for AES{D,E} and AESMC pairs.
4785 * config/aarch64/aarch64.c (exynosm1_tunings): Enable fusion of AES{D,E}
4788 2016-02-23 Evandro Menezes <e.menezes@samsung.com>
4790 * config/aarch64/aarch64.c (exynosm1_tunings): Enable the Newton
4791 series for reciprocal square root in Exynos M1.
4793 2016-02-23 Martin Sebor <msebor@redhat.com>
4796 * doc/extend.texi (Other Builtins): Document __builtin_alloca and
4797 __builtin_alloca_with_align.
4799 2016-02-23 Richard Henderson <rth@redhat.com>
4801 * config/i386/i386-c.c (ix86_target_macros): Remove __SEG_TLS.
4802 (ix86_register_pragmas): Remove __seg_tls.
4803 * config/i386/i386-protos.h (ADDR_SPACE_SEG_TLS): Remove.
4804 * config/i386/i386.c (ix86_print_operand_address_as): Don't handle it.
4805 (ix86_addr_space_subset_p, TARGET_ADDR_SPACE_SUBSET_P): Remove.
4806 (ix86_addr_space_convert, TARGET_ADDR_SPACE_CONVERT): Remove.
4807 (ix86_addr_space_debug, TARGET_ADDR_SPACE_DEBUG): Remove.
4808 * doc/extend.texi (__seg_tls): Remove item.
4810 2016-02-23 Richard Biener <rguenther@suse.de>
4812 * alloc-pool.h (struct allocation_object): Make id member
4813 conditional on CHECKING_P again.
4814 (get_instance): Adjust.
4815 (base_pool_allocator): Likewise.
4817 2016-02-23 Thomas Schwinge <thomas@codesourcery.com>
4819 * tree-parloops.c (create_parallel_loop, gen_parallel_loop)
4820 (parallelize_loops): In OpenACC kernels mode, set n_threads to
4822 (pass_parallelize_loops::gate): In OpenACC kernels mode, gate on
4824 * tree-ssa-loop.c (gate_oacc_kernels): Likewise.
4826 2016-02-23 Richard Biener <rguenther@suse.de>
4828 * mem-stats.h (struct mem_usage): Use PRIu64 for printing size_t.
4829 * bitmap.h (struct bitmap_usage): Likewise.
4830 (bitmap_move): Declare.
4831 * bitmap.c (register_overhead): Take size_t argument.
4832 (bitmap_move): New function.
4833 * df-problems.c (df_rd_transfer_function): Use bitmap_move
4834 to properly account overhead.
4835 * tree.c (free_node): Use tree_size.
4837 2016-02-23 Jakub Jelinek <jakub@redhat.com>
4840 * fold-const.c (fold_truth_not_expr): Propagate TREE_NO_WARNING
4841 when inverting comparison.
4844 * common.opt (Wunreachable-code): Add Warning flag.
4846 2016-02-23 Mark Wielaard <mjw@redhat.com>
4847 Jakub Jelinek <jakub@redhat.com>
4850 * cgraphunit.c (check_global_declaration): Check main_input_filename
4851 and DECL_SOURCE_FILE are not NULL.
4853 2016-02-23 Martin Jambor <mjambor@suse.cz>
4855 PR tree-optimization/69666
4856 * tree-sra.c (sra_modify_assign): Do not attempt to create
4857 default_def replacements for unscalarizable regions.
4859 2016-02-20 Mark Wielaard <mjw@redhat.com>
4862 * cgraphunit.c (check_global_declaration): Check level of
4863 warn_unused_const_variable and main_input_filename.
4864 * doc/invoke.texi (Warning Options): Add -Wunused-const-variable=.
4865 (-Wunused-variable): For C implies -Wunused-const-variable=1.
4866 (-Wunused-const-variable): Explain levels 1 and 2.
4868 2016-02-22 Jakub Jelinek <jakub@redhat.com>
4871 * config/i386/i386.c (decide_alg): Ensure we don't recurse with
4872 identical arguments. Formatting and spelling fixes.
4875 * doc/md.texi (ashl@var{m}3): Document that mode of operand 2 must
4880 * config/m68k/t-opts (OPTIONS_H_EXTRA): Add m68k-microarchs.def
4881 and m68k-devices.def.
4882 * config/c6x/t-c6x (OPTIONS_H_EXTRA): Add c6x-isas.def.
4883 * config/aarch64/t-aarch64 (OPTIONS_H_EXTRA): Add aarch64-arches.def.
4885 2016-02-22 Cesar Philippidis <cesar@codesourcery.com>
4887 * config/nvptx/nvptx.c (nvptx_gen_shuffle): Add support for QImode
4888 and HImode registers.
4890 2016-02-22 Richard Biener <rguenther@suse.de>
4892 PR tree-optimization/69882
4893 * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Properly
4894 preserve permutations present because of gaps.
4895 (vect_supported_load_permutation_p): Always continue checking
4896 permutations after vect_attempt_slp_rearrange_stmts.
4898 2016-02-22 Bin Cheng <bin.cheng@arm.com>
4900 * tree-vect-loop.c (vect_estimate_min_profitable_iters): Dump
4901 min_profitable_estimate, rather than min_profitable_iters.
4903 2016-02-22 Jakub Jelinek <jakub@redhat.com>
4906 * config/m68k/m68k.md (ashldi3, ashrdi3, lshrdi3): Use
4907 SImode for last match_operand.
4909 2016-02-22 Martin Liska <mliska@suse.cz>
4911 * hsa-gen.c (gen_hsa_clrsb): In case of zero value,
4912 return bitsize - 1 as the return value.
4914 2016-02-22 Oleg Endo <olegendo@gcc.gnu.org>
4918 * config/sh/sh.c (sh_lshrsi_clobbers_t_reg_p, sh_dynamicalize_shift_p):
4919 Handle negative shift counts.
4920 * config/sh/sh.md (ashlsi3, lshrsi3_n, lshrsi3_n_clobbers_t): Don't use
4921 force_reg on the shift constant.
4922 (lshrsi3): Likewise. Expand into lshrsi3_n* instead of lshrsi3_d.
4923 (lshrsi3_d): Handle negative shift counts.
4925 2016-02-22 Richard Biener <rguenther@suse.de>
4926 Tom de Vries <tom@codesourcery.com>
4928 * graph.c: Include dumpfile.h.
4929 (print_graph_cfg): Split into three overloads.
4930 * gdbhooks.py (class DotFn): Add and instantiate, adding command dot-fn.
4932 2016-02-22 Tom de Vries <tom@codesourcery.com>
4934 * gdbhooks.py (class DumpFn): Add and instantiate, adding command
4937 2016-02-22 Richard Biener <rguenther@suse.de>
4940 * ipa-inline-transform.c (inline_call): When not updating
4941 overall summaries adjust self size by the growth estimate.
4942 * ipa-inline.c (inline_to_all_callers_1): Add to the callers
4943 hash-set, do not update overall summaries here. Renamed from ...
4944 (inline_to_all_callers): ... this which is now wrapping the
4945 above and performing delayed overall summary update.
4946 (early_inline_small_functions): Delay updating of the overall
4949 2016-02-21 Markus Trippelsdorf <markus@trippelsdorf.de>
4951 * tree-chkp.c (chkp_mark_invalid_bounds_walker): Initialize
4954 2016-02-19 Jakub Jelinek <jakub@redhat.com>
4957 * gcc.c (LINK_COMMAND_SPEC, GOMP_SELF_SPECS): Use
4958 :%* in %:gt() argument.
4959 (greater_than_spec_func): Adjust for expecting only numbers,
4960 if there are more than two numbers, compare the last two.
4962 2016-02-19 Jonathan Wakely <jwakely@redhat.com>
4964 * doc/invoke.texi (C++ Dialect Options): Clarify interaction of
4965 -Wnarrowing with -std.
4967 2016-02-19 Jakub Jelinek <jakub@redhat.com>
4970 * expr.c (store_field): Don't use bit-field path if exp is
4971 COMPONENT_REF with TREE_ADDRESSABLE type, where TYPE_SIZE is
4972 different from bitsize, but DECL_SIZE of FIELD_DECL is bitsize
4973 and the assignment can be performed by bitwise copy. Formatting
4977 * lra.c (lra_process_new_insns): If non-call exceptions are enabled,
4978 call copy_reg_eh_region_note_forward on before and/or after sequences
4979 and remove note from insn if it no longer can throw.
4982 * config/i386/sse.md (VI_512): Only include V64QImode and V32HImode
4985 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
4987 * config/s390/vector.md: Add missing commutative operand markers
4988 to the patterns which qualify for one.
4989 * config/s390/vx-builtins.md: Likewise.
4991 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
4993 * config/s390/vector.md (VI, VI_QHS): Add single element vector
4994 types to mode iterators.
4995 (vec_double): ... and mode attribute.
4996 * config/s390/vx-builtins.md (non_vec_int): Likewise.
4998 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
5000 * config/s390/vector.md ("<ti*>add<mode>3", "<ti*>sub<mode>3"):
5001 Change the predicate of op2 from nonimmediate to general and let
5002 reload fix it if necessary.
5004 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
5006 * config/s390/vecintrin.h (vec_sub_u128): Define missing macro.
5008 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
5010 * config/s390/s390.c (s390_expand_vcond): Use the compare operand
5013 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
5015 * config/s390/s390-protos.h: Add s390_expand_vec_movstr prototype.
5016 * config/s390/s390.c (s390_expand_vec_movstr): New function.
5017 * config/s390/s390.md ("movstr<P:mode>"): Call
5018 s390_expand_vec_movstr.
5020 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
5022 * config/s390/s390.md: Add missing output modifier for operand 1
5023 to print it as address properly.
5025 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
5027 * config/s390/2827.md: Rename ooo_* insn attributes to zEC12_*.
5028 * config/s390/2964.md: New file.
5029 * config/s390/s390.c (s390_get_sched_attrmask): Use the right set
5030 of insn grouping attributes depending on the CPU level.
5031 (s390_get_unit_mask): New function.
5032 (s390_sched_score): Remove the OOO from the scheduling macros.
5033 Add loop to calculate a score for the instruction mix.
5034 (s390_sched_reorder): Likewise plus improve debug output.
5035 (s390_sched_variable_issue): Rename macros as above. Calculate
5036 the unit distances after actually scheduling an insn. Improve
5038 (s390_sched_init): Clear last_scheduled_unit_distance array.
5039 * config/s390/s390.md: Include 2964.md.
5041 2016-02-18 Jakub Jelinek <jakub@redhat.com>
5044 * config/i386/sse.md (*<floatsuffix>floatv2div2sf2_mask_1,
5045 *avx512vl_<code>v2div2qi2_mask_1, *avx512vl_<code><mode>v4qi2_mask_1,
5046 *avx512vl_<code><mode>v8qi2_mask_1, *avx512vl_<code><mode>v4hi2_mask_1,
5047 *avx512vl_<code>v2div2hi2_mask_1, *avx512vl_<code>v2div2si2_mask_1,
5048 *avx512f_<code>v8div16qi2_mask_1): New insns.
5050 2016-02-18 Michael Meissner <meissner@linux.vnet.ibm.com>
5053 * config/rs6000/predicates.md (fusion_gpr_addis): Revert
5056 * config/rs6000/rs6000.md (fusion_gpr_load_<mode>): Remove
5057 earlyclobber from target. Use wF constraint for fused memory
5059 (fusion_gpr_<P:mode>_<GPR_FUSION:mode>_load): Likewise.
5061 2016-02-18 Jakub Jelinek <jakub@redhat.com>
5062 Martin Liska <mliska@suse.cz>
5065 * cfgexpand.c (asan_sanitize_stack_p): New function.
5066 (partition_stack_vars): Use the function.
5067 (expand_stack_vars): Likewise.
5068 (defer_stack_allocation): Likewise.
5069 (expand_used_vars): Likewise.
5071 2016-02-18 Richard Biener <rguenther@suse.de>
5074 * fold-const.c (operand_equal_p): Properly compare offsets for
5075 IMAGPART_EXPR and ARRAY_REF.
5077 2016-02-18 Nick Clifton <nickc@redhat.com>
5081 * config/arm/arm.c (arm_option_override_internal): Disable
5082 interworking if the target does not support thumb instructions.
5083 (arm_reload_in_hi): Handle the case where a register to register
5084 move needs reloading because there is no simple pattern to handle
5086 (arm_reload_out_hi): Likewise.
5088 2016-02-18 Richard Biener <rguenther@suse.de>
5091 * match.pd: Don't use fold_binary or fold_unary for folding
5094 2016-02-17 Jakub Jelinek <jakub@redhat.com>
5097 * gimplify.c (gimplify_cond_expr): Call gimple_set_no_warning
5098 on the cond_stmt from TREE_NO_WARNING on COND_EXPR_COND.
5099 * gimple-ssa-nonnull-compare.c (do_warn_nonnull_compare): Don't
5100 warn on gimple_no_warning_p statements.
5102 2016-02-17 Jonathan Wakely <jwakely@redhat.com>
5104 * doc/extend.texi (C++ Attributes): Correct description of
5105 warn_unused type attribute.
5107 2016-02-17 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
5109 * config/rs6000/altivec.md (*altivec_lvxl_<mode>_internal): Output
5110 correct instruction.
5112 2016-02-17 Richard Biener <rguenther@suse.de>
5114 PR rtl-optimization/69609
5115 * bb-reorder.c (struct bbro_basic_block_data): Add priority member.
5116 (find_traces_1_round): When ending a trace update cached priority
5118 (bb_to_key): Use cached priority when available.
5119 (copy_bb): Initialize cached priority.
5120 (reorder_basic_blocks_software_trace_cache): Likewise.
5122 2016-02-17 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
5125 * config/aarch64/predicates.md (aarch64_comparison_operator_mode):
5127 (aarch64_comparison_operator): Break overly long line into two.
5128 (aarch64_comparison_operation): Likewise.
5129 * config/aarch64/aarch64.md (cstorecc4): Use
5130 aarch64_comparison_operator_mode instead of
5131 aarch64_comparison_operator.
5132 (cstore<mode>4): Likewise.
5133 (aarch64_cstore<mode>): Likewise.
5134 (*cstoresi_insn_uxtw): Likewise.
5135 (cstore<mode>_neg): Likewise.
5136 (*cstoresi_neg_uxtw): Likewise.
5138 2016-02-17 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
5141 * config/arm/predicates.md (arm_comparison_operator_mode):
5143 * config/arm/arm.md (*mov_scc): Use arm_comparison_operator_mode
5144 instead of arm_comparison_operator.
5145 (*mov_negscc): Likewise.
5146 (*mov_notscc): Likewise.
5147 * config/arm/thumb2.md (*thumb2_mov_scc): Likewise.
5148 (*thumb2_mov_negscc): Likewise.
5149 (*thumb2_mov_negscc_strict_it): Likewise.
5150 (*thumb2_mov_notscc): Likewise.
5151 (*thumb2_mov_notscc_strict_it): Likewise.
5153 2016-02-17 Wilco Dijkstra <wdijkstr@arm.com>
5155 * config/aarch64/aarch64.c (aarch64_internal_mov_immediate):
5158 2016-02-17 Eric Botcazou <ebotcazou@adacore.com>
5160 * config/visium/visium.c (machine_libfunc_index): New enum.
5161 (machine_libfuncs): New structure.
5162 (visium_libfuncs): New static variable.
5163 (TARGET_INIT_LIBFUNCS): Define to...
5164 (visium_init_libfuncs): ...this. New function.
5165 (expand_block_move_4): Use the appropriate libfunc.
5166 (expand_block_move_2): Likewise.
5167 (expand_block_move_1): Likewise.
5168 (expand_block_set_4): Likewise.
5169 (expand_block_set_2): Likewise.
5170 (expand_block_set_1): Likewise.
5171 (visium_trampoline_init): Likewise.
5173 2016-02-17 Nick Clifton <nickc@redhat.com>
5175 * config/msp430/msp430.c (msp430_mcu_data): Sync with data from
5176 TI's devices.csv file as of March 2016.
5178 2016-02-16 Kelvin Nilsen <kelvin@gcc.gnu.org>
5181 * opts-global.c (handle_common_deferred_options): Introduce and
5182 initialize two global variables to remember command-line options
5183 specifying a stack-limiting register.
5184 * opts.h: Add extern declarations of the two new global variables.
5185 * emit-rtl.c (init_emit_once): Initialize the stack_limit_rtx
5186 variable based on the values of the two new global variables.
5188 2016-02-16 Jakub Jelinek <jakub@redhat.com>
5191 * common.opt (Wnonnull-compare): New warning.
5192 * doc/invoke.texi (-Wnonnull): Remove text about comparison
5193 of arguments against NULL.
5194 (-Wnonnull-compare): Document.
5195 * Makefile.in (OBJS): Add gimple-ssa-nonnull-compare.o.
5196 * tree-pass.h (make_pass_warn_nonnull_compare): Declare.
5197 * passes.def (pass_warn_nonnull_compare): Add.
5198 * gimple-ssa-nonnull-compare.c: New file.
5200 2016-02-16 James Greenhalgh <james.greenhalgh@arm.com>
5202 * config/aarch64/aarch64.c (cortexa57_tunings): Remove
5203 AARCH64_EXTRA_TUNE_RECIP_SQRT.
5205 2016-02-16 James Greenhalgh <james.greenhalgh@arm.com>
5207 * config/aarch64/aarch64.c (use_rsqrt_p): Always use software
5208 reciprocal sqrt for -mlow-precision-recip-sqrt.
5210 2016-02-16 James Greenhalgh <james.greenhalgh@arm.com>
5211 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
5213 * config/aarch64/aarch64.c (aarch64_expand_vector_init): Refactor,
5214 always use lane loads to construct non-constant vectors.
5216 2016-02-16 James Greenhalgh <james.greenhalgh@arm.com>
5218 * config/aarch64/aarch64.md
5219 (arch64_sqrdml<SQRDMLH_AS:rdma_as>h_lane<mode>): Fix register
5220 constraints for operand 3.
5221 (aarch64_sqrdml<SQRDMLH_AS:rdma_as>h_laneq<mode>): Likewise.
5223 2016-02-16 Jakub Jelinek <jakub@redhat.com>
5224 Richard Biener <rguenther@suse.de>
5226 PR tree-optimization/69820
5227 * tree-vect-patterns.c (type_conversion_p): Return false if
5228 *orig_type is unsigned single precision or boolean.
5229 (vect_recog_dot_prod_pattern, vect_recog_widen_mult_pattern):
5232 2016-02-16 Jakub Jelinek <jakub@redhat.com>
5234 PR rtl-optimization/69764
5235 PR rtl-optimization/69771
5236 * optabs.c (expand_binop): Ensure for shift optabs invalid CONST_INT
5237 op1 is valid for GET_MODE_INNER (mode) and force it into a reg.
5239 2016-02-16 Richard Biener <rguenther@suse.de>
5241 PR tree-optimization/69776
5242 * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Get alias
5244 (indirect_refs_may_alias_p): Likewise.
5245 (refs_may_alias_p_1): Pass alias sets as from ao_ref.
5246 * tree-ssa-sccvn.c (vn_reference_lookup): Also adjust vr alias-set
5247 according to tbaa_p.
5248 * tree-ssa-dom.c (lookup_avail_expr): Add tbaa_p flag.
5249 (optimize_stmt): For redundant store discovery do not allow tbaa.
5251 2016-02-16 Bernd Schmidt <bschmidt@redhat.com>
5253 PR tree-optimization/69714
5254 * tree-ssa-math-opts.c (find_bswap_or_nop): Revert previous change.
5255 Return NULL if we have irrelevant high bytes on BIG_ENDIAN.
5257 2016-02-16 Claudiu Zissulescu <claziss@synopsys.com>
5259 * config/arc/arc-modes.def (CC_FPU, CC_FPU_UNEQ): New modes.
5260 * config/arc/arc-opts.h (FPU_SP, FPU_SF, FPU_SC, FPU_SD, FPU_DP)
5261 (FPU_DF, FPU_DC, FPU_DD, FXP_DP): Define.
5262 * config/arc/arc.c (arc_init): Check FPU options.
5263 (get_arc_condition_code): Handle new CC_FPU* modes.
5264 (arc_select_cc_mode): Likewise.
5265 (arc_conditional_register_usage): Allow 64 bit datum into even-odd
5266 register pair only. Allow access for ARCv2 accumulator.
5267 (gen_compare_reg): Whenever we have FPU support use FPU compare
5269 (arc_reorg): Don't generate brcc insns when FPU compare
5270 instructions are involved.
5271 * config/arc/arc.h (TARGET_DPFP): Add TARGET_FP_DPAX condition.
5272 (TARGET_OPTFPE): Add condition when ARC EM can use optimized
5273 floating point emulation.
5274 (ACC_REG_FIRST, ACC_REG_LAST, ACCL_REGNO, ACCH_REGNO): Define.
5275 (REVERSE_CONDITION): Add new CC_FPU* modes.
5276 (TARGET_FP_SP_BASE): Define.
5277 (TARGET_FP_DP_BASE): Likewise.
5278 (TARGET_FP_SP_FUSED): Likewise.
5279 (TARGET_FP_DP_FUSED): Likewise.
5280 (TARGET_FP_SP_CONV): Likewise.
5281 (TARGET_FP_DP_CONV): Likewise.
5282 (TARGET_FP_SP_SQRT): Likewise.
5283 (TARGET_FP_DP_SQRT): Likewise.
5284 (TARGET_FP_DP_AX): Likewise.
5285 * config/arc/arc.md (ARCV2_ACC): New constant.
5286 (type): New fpu type attribute.
5287 (SDF): Conditional iterator.
5288 (cstore<mode>, cbranch<mode>): Change expand condition.
5289 (addsf3, subsf3, mulsf3, adddf3, subdf3, muldf3): New expands,
5290 handles FPU/FPX cases as well.
5291 * config/arc/arc.opt (mfpu): New option.
5292 * config/arc/fpx.md (addsf3_fpx, subsf3_fpx, mulsf3_fpx):
5294 (adddf3, muldf3, subdf3): Removed.
5295 * config/arc/predicates.md (proper_comparison_operator): Recognize
5297 * config/arc/fpu.md: New file.
5298 * doc/invoke.texi (ARC Options): Document mfpu option.
5300 2016-02-16 Richard Biener <rguenther@suse.de>
5302 PR rtl-optimization/69291
5303 * ifcvt.c (noce_try_store_flag_constants): Re-instantiate
5304 noce_operand_ok check.
5306 2016-02-16 Tom de Vries <tom@codesourcery.com>
5309 * omp-low.c (simd_clone_create): Remove call to
5310 symtab->call_cgraph_insertion_hooks.
5312 2016-02-16 Jakub Jelinek <jakub@redhat.com>
5314 PR tree-optimization/69802
5315 * tree-ssa-reassoc.c (update_range_test): If op is
5316 SSA_NAME_IS_DEFAULT_DEF, give up unless tem is a positive
5317 op == 1 test of precision 1 integral op, otherwise handle
5318 that case as op itself. Fix up formatting.
5319 (optimize_range_tests_to_bit_test, optimize_range_tests): Fix
5322 2016-02-16 Richard Biener <rguenther@suse.de>
5324 PR tree-optimization/69586
5325 * tree-vrp.c (register_edge_assert_for_2): Handle all integral
5326 types for conversion sources.
5328 2016-02-16 Richard Biener <rguenther@suse.de>
5331 * fold-const.c (operand_equal_p): For COND_EXPR zero operand
5332 mask OEP_ADDRESS_OF.
5334 2016-02-16 Alan Modra <amodra@gmail.com>
5337 * config/rs6000/rs6000.md (reload_vsx_from_gprsf): Rewrite splitter.
5338 (p8_mtvsrd_df, p8_mtvsrd_sf): New.
5339 (p8_mtvsrd_1, p8_mtvsrd_2): Delete.
5341 (p8_mtvsrwz_1, p8_mtvsrwz_2): Delete.
5342 (p8_xxpermdi_<mode>): Take two DF inputs rather than one TF.
5343 (p8_fmrgow_<mode>): Likewise.
5344 (reload_vsx_from_gpr<mode>): Make clobber IF. Adjust for above
5346 (reload_fpr_from_gpr<mode>): Similarly. Use "d" for op0 constraint.
5347 (reload_vsx_from_gprsf): Use p8_mtvsrd_sf rather than attempting
5348 to use movdi_internal64. Remove op0_di.
5349 * config/rs6000/vsx.md (vsx_xscvspdpn_directmove): Make op1 SFmode.
5351 2016-02-15 Evandro Menezes <e.menezes@samsung.com>
5353 Add support for the FCCMP insn types
5355 * config/aarch64/aarch64.md (fccmp): Change insn type.
5357 * config/aarch64/thunderx.md (thunderx_fcmp): Add "fccmp{s,d}" types.
5358 * config/arm/cortex-a53.md (cortex_a53_fpalu): Likewise.
5359 * config/arm/cortex-a57.md (cortex_a57_fp_cmp): Likewise.
5360 * config/arm/xgene1.md (xgene1_fcmp): Likewise.
5361 * config/arm/exynos-m1.md (exynos_m1_fp_ccmp): New insn reservation.
5362 * config/arm/types.md (fccmps): Add new insn type.
5365 2016-02-15 Bernd Edlinger <bernd.edlinger@hotmail.de>
5367 * alias.c (get_alias_set): Fix a typo in comment.
5369 2016-02-15 Richard Biener <rguenther@suse.de>
5371 PR tree-optimization/69595
5372 * match.pd: Complete range test simplification to true.
5374 2016-02-15 Bernd Schmidt <bschmidt@redhat.com>
5376 PR rtl-optimization/69648
5377 * lra-constraints.c (update_ebb_live_info): Don't remove sets of
5378 pic_offset_table_rtx.
5380 PR rtl-optimization/69752
5381 * ira.c (update_equiv_regs): When looking for more than a single SET,
5382 also take other side effects into account.
5384 2016-02-15 Marcin Kościelnicki <koriakin@0x04.net>
5386 * config/s390/s390.c (s390_function_profiler): Add a new sequence
5387 for z900+ CPUs in 31-bit mode.
5389 2016-02-15 Marcin Kościelnicki <koriakin@0x04.net>
5391 * common/config/s390/s390-common.c (s390_supports_split_stack):
5393 (TARGET_SUPPORTS_SPLIT_STACK): New macro.
5394 * config/s390/s390-protos.h: Add s390_expand_split_stack_prologue.
5395 * config/s390/s390.c (struct machine_function): New field
5396 split_stack_varargs_pointer.
5397 (s390_register_info): Mark r12 as clobbered if it'll be used as temp
5398 in s390_emit_prologue.
5399 (s390_emit_prologue): Use r12 as temp if r1 is taken by split-stack
5401 (morestack_ref): New global.
5402 (SPLIT_STACK_AVAILABLE): New macro.
5403 (s390_expand_split_stack_prologue): New function.
5404 (s390_live_on_entry): New function.
5405 (s390_va_start): Use split-stack vararg pointer if appropriate.
5406 (s390_asm_file_end): Emit the split-stack note sections.
5407 (TARGET_EXTRA_LIVE_ON_ENTRY): New macro.
5408 * config/s390/s390.md (UNSPEC_STACK_CHECK): New unspec.
5409 (UNSPECV_SPLIT_STACK_CALL): New unspec.
5410 (UNSPECV_SPLIT_STACK_DATA): New unspec.
5411 (split_stack_prologue): New expand.
5412 (split_stack_space_check): New expand.
5413 (split_stack_data): New insn.
5414 (split_stack_call): New expand.
5415 (split_stack_call_*): New insn.
5416 (split_stack_cond_call): New expand.
5417 (split_stack_cond_call_*): New insn.
5419 2016-02-15 Richard Biener <rguenther@suse.de>
5421 PR tree-optimization/69783
5422 * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
5423 Add trivially correct cases.
5425 2016-02-15 Tom de Vries <tom@codesourcery.com>
5428 * lto-cgraph.c (input_offload_tables): Add and handle bool parameter
5430 * lto-streamer.h (input_offload_tables): Add and handle bool parameter.
5432 2016-02-15 Richard Biener <rguenther@suse.de>
5434 PR tree-optimization/69776
5435 * tree-ssa-sccvn.h (vn_reference_lookup): Adjust prototype.
5436 * tree-ssa-sccvn.c (vn_reference_lookup): Add parameter to
5437 indicate whether we can use TBAA to disambiguate against stores.
5438 Use alias-set zero if not.
5439 (visit_reference_op_store): Do not use TBAA when looking up
5441 * tree-ssa-pre.c (compute_avail): Use TBAA here.
5442 (eliminate_dom_walker::before_dom_children): But not when looking
5443 up redundant stores.
5445 2016-02-14 John David Anglin <danglin@gcc.gnu.org>
5447 * config/pa/pa.md (absqi2, absghi2, bswaphi2, bswapsi2, bswapdi2): New.
5449 2016-02-14 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
5451 * config/i386/znver1.md
5452 (znver1_pop, znver1_pop_mem,
5453 znver1_load_imov_double_store,
5454 znver1_load_imov_direct_store,
5455 znver1_load_imov_direct_load,
5456 znver1_load_imov_double_load): Add new.
5457 (znver1_insn, znver1_insn_load): Add icmov type.
5459 znver1_sseavx_fma_load,
5461 znver1_avx256_fma_load): Fix pipe usage.
5463 2016-02-14 Alan Modra <amodra@gmail.com>
5466 * reloads.c (find_reloads_address_1): For pre/post-inc/dec
5467 with an invalid hard reg, reload just the reg not the entire
5468 pre/post-inc/dec address expression.
5470 2016-02-13 Oleg Endo <olegendo@gcc.gnu.org>
5473 * config/sh/sh.md (sibcall_value_pcrel): Replace =&k scratch reg with
5474 fixed R1_REG scratch reg.
5475 (sibcall_value_pcrel_fdpic): Likewise.
5477 2016-02-13 Oleg Endo <olegendo@gcc.gnu.org>
5481 * config/sh/sh.md (*zero_extract_3): New insn_and_split pattern.
5483 2016-02-12 Walter Lee <walt@tilera.com>
5485 * config/tilepro/t-tilepro: Replace CC_FOR_BUILD with CXX_FOR_BUILD.
5486 * config/tilegx/t-tilegx: Likewise.
5488 2016-02-12 David Malcolm <dmalcolm@redhat.com>
5491 * diagnostic-show-locus.c (struct line_span): New struct.
5492 (layout::get_first_line): Delete.
5493 (layout::get_last_line): Delete.
5494 (layout::get_num_line_spans): New member function.
5495 (layout::get_line_span): Likewise.
5496 (layout::print_heading_for_line_span_index_p): Likewise.
5497 (layout::get_expanded_location): Likewise.
5498 (layout::calculate_line_spans): Likewise.
5499 (layout::m_first_line): Delete.
5500 (layout::m_last_line): Delete.
5501 (layout::m_line_spans): New field.
5502 (layout::layout): Update comment. Replace m_first_line and
5503 m_last_line with m_line_spans, replacing their initialization
5504 with a call to calculate_line_spans.
5505 (diagnostic_show_locus): When printing source lines and
5506 annotations, rather than looping over a single span
5507 of lines, instead loop over each line_span within
5508 the layout, with an inner loop over the lines within them.
5509 Call the context's start_span callback when changing line spans.
5510 * diagnostic.c (diagnostic_initialize): Initialize start_span.
5511 (diagnostic_build_prefix): Break out the building of the location
5512 part of the string into...
5513 (diagnostic_get_location_text): ...this new function, rewriting
5514 it from nested ternary expressions to a sequence of "if"
5516 (default_diagnostic_start_span_fn): New function.
5517 * diagnostic.h (diagnostic_start_span_fn): New typedef.
5518 (diagnostic_context::start_span): New field.
5519 (default_diagnostic_start_span_fn): New prototype.
5521 2016-02-12 David Malcolm <dmalcolm@redhat.com>
5524 * gcc.c (driver::finalize): Fix cleanup of "specs".
5526 2016-02-12 David Malcolm <dmalcolm@redhat.com>
5530 * gcc.c (driver::driver): Initialize m_option_suggestions.
5531 (driver::~driver): Clean up m_option_suggestions.
5532 (suggest_option): Convert to...
5533 (driver::suggest_option): ...this, and split out into
5534 driver::build_option_suggestions and find_closest_string.
5535 (driver::build_option_suggestions): New function, from
5536 first half of suggest_option. Special-case
5537 OPT_fsanitize_ and OPT_fsanitize_recover_, making use of
5538 the sanitizer_opts array. For options of enum types, add the
5539 various enum values to the candidate strings.
5540 (driver::handle_unrecognized_options): Remove "const".
5541 * gcc.h (driver::handle_unrecognized_options): Likewise.
5542 (driver::build_option_suggestions): New decl.
5543 (driver::suggest_option): New decl.
5544 (driver::m_option_suggestions): New field.
5545 * opts-common.c (add_misspelling_candidates): New function.
5546 * opts.c (sanitizer_opts): Remove decl of struct sanitizer_opts_s
5547 and make non-static.
5548 * opts.h (sanitizer_opts): New array decl.
5549 (add_misspelling_candidates): New function decl.
5550 * spellcheck.c (find_closest_string): New function.
5551 * spellcheck.h (find_closest_string): New function decl.
5553 2016-02-12 Jakub Jelinek <jakub@redhat.com>
5555 PR rtl-optimization/69764
5556 PR rtl-optimization/69771
5557 * optabs.c (expand_binop_directly): For shift_optab_p, force
5558 convert_modes with VOIDmode if xop1 has VOIDmode.
5560 2016-02-12 Ilya Enkovich <enkovich.gnu@gmail.com>
5563 * lto-streamer-out.c (lto_output): Use thunk.add_pointer_bounds_args
5564 to correctly determine instrumentation thunks.
5566 2016-02-12 Jakub Jelinek <jakub@redhat.com>
5569 * ipa-split.c (split_function): If split part returns TREE_ADDRESSABLE
5570 type by reference, force lhs on the call.
5573 * ipa-split.c (split_function): Don't compute/use main_part_return_p.
5574 Compute retval and retbnd early in all cases if split_part_return_p
5575 and return_bb is not EXIT. Remove all clobber stmts and reset
5576 all debug stmts that refer to SSA_NAMEs defined in split part,
5577 except if it is retval, in that case replace the old retval with the
5578 lhs of the call to the split part.
5580 2016-02-12 Kugan Vivekanandarajah <kuganv@linaro.org>
5583 2016-02-12 Kugan Vivekanandarajah <kuganv@linaro.org>
5586 * tree-ssa-reassoc.c (optimize_range_tests): Handle tcc_compare stmt
5587 whose result is used in PHI.
5588 (maybe_optimize_range_tests): Likewise.
5589 (final_range_test_p): Likweise.
5591 2016-02-12 Kugan Vivekanandarajah <kuganv@linaro.org>
5594 * tree-ssa-reassoc.c (optimize_range_tests): Handle tcc_compare stmt
5595 whose result is used in PHI.
5596 (maybe_optimize_range_tests): Likewise.
5597 (final_range_test_p): Likweise.
5599 2016-02-12 Jakub Jelinek <jakub@redhat.com>
5601 * cgraph.c: Spelling fixes - behaviour -> behavior and
5602 neighbour -> neighbor.
5603 * target.def: Likewise.
5604 * sel-sched.c: Likewise.
5605 * config/mips/mips.c: Likewise.
5606 * config/arc/arc.md: Likewise.
5607 * config/arm/cortex-a57.md: Likewise.
5608 * config/arm/arm.c: Likewise.
5609 * config/arm/neon.md: Likewise.
5610 * config/arm/arm-c.c: Likewise.
5611 * config/vms/vms-c.c: Likewise.
5612 * config/s390/s390.c: Likewise.
5613 * config/i386/znver1.md: Likewise.
5614 * config/i386/i386.c: Likewise.
5615 * config/ia64/hpux-unix2003.h: Likewise.
5616 * config/msp430/msp430.md: Likewise.
5617 * config/rx/rx.c: Likewise.
5618 * config/rx/rx.md: Likewise.
5619 * config/aarch64/aarch64-simd.md: Likewise.
5620 * config/aarch64/aarch64.c: Likewise.
5621 * config/nvptx/nvptx.c: Likewise.
5622 * config/bfin/bfin.c: Likewise.
5623 * config/cris/cris.opt: Likewise.
5624 * config/rs6000/rs6000.c: Likewise.
5625 * target.h: Likewise.
5626 * spellcheck.c: Likewise.
5627 * ira-build.c: Likewise.
5628 * tree-inline.c: Likewise.
5629 * builtins.c: Likewise.
5630 * lra-constraints.c: Likewise.
5631 * explow.c: Likewise.
5632 * hwint.h: Likewise.
5633 * targhooks.c: Likewise.
5634 * tree-vect-data-refs.c: Likewise.
5636 * doc/tm.texi: Likewise.
5637 * doc/extend.texi: Likewise.
5638 * doc/install.texi: Likewise.
5639 * doc/md.texi: Likewise.
5640 * tree-ssa-tail-merge.c: Likewise.
5641 * sched-int.h: Likewise.
5642 * match.pd: Likewise.
5643 * sched-ebb.c: Likewise.
5644 * target.def (omit_struct_return_reg): Likewise.
5645 * gimple-ssa-isolate-paths.c: Likewise.
5646 (find_implicit_erroneous_behaviour): Renamed to...
5647 (find_implicit_erroneous_behavior): ... this.
5648 (find_explicit_erroneous_behaviour): Renamed to...
5649 (find_explicit_erroneous_behavior): ... this.
5650 (gimple_ssa_isolate_erroneous_paths): Adjust caller.
5652 2016-02-11 Segher Boessenkool <segher@kernel.crashing.org>
5654 PR rtl-optimization/64682
5655 PR rtl-optimization/69567
5656 PR rtl-optimization/69737
5657 * combine.c (distribute_notes) <REG_DEAD>: If the register is set
5658 in I2 as well, just lose it.
5660 2016-02-11 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
5662 * config/aarch64/aarch64.c (aarch64_last_printed_arch_string):
5664 (aarch64_last_printed_tune_string): Likewise.
5665 (aarch64_declare_function_name): Only output .arch assembler
5666 directive if it will be different from the previously output
5667 directive. Same for .tune comment but only if -dA is set.
5668 (aarch64_start_file): New function.
5669 (TARGET_ASM_FILE_START): Define.
5671 2016-02-11 David Malcolm <dmalcolm@redhat.com>
5674 * Makefile.in (PLUGIN_HEADERS): Add params.list.
5676 2016-02-11 Jakub Jelinek <jakub@redhat.com>
5679 * tree-vect-slp.c (vect_schedule_slp_instance): Avoid
5680 -Wmaybe-uninitialized warning.
5682 2016-02-11 Oleg Endo <olegendo@gcc.gnu.org>
5685 * config/sh/sh.md (casesi_worker_0): Add T_REG use.
5687 2016-02-11 Richard Biener <rguenther@suse.de>
5689 PR rtl-optimization/69291
5690 * ifcvt.c (noce_try_store_flag_constants): Do not allow
5691 subexpressions affected by changing the result.
5693 2016-02-10 Vladimir Makarov <vmakarov@redhat.com>
5696 * lra-constraints.c (curr_insn_transform): Find in/out operands
5697 for secondary memory moves. Update dups.
5699 2016-02-10 Yuri Rumyantsev <ysrumyan@gmail.com>
5701 PR tree-optimization/69652
5702 * tree-vect-loop.c (optimize_mask_stores): Move declaration of STMT1
5703 to nested loop, did source re-formatting, skip debug statements,
5704 add check on statement with volatile operand, remove dead scalar
5707 2016-02-10 Jakub Jelinek <jakub@redhat.com>
5708 Patrick Palka <ppalka@gcc.gnu.org>
5712 * gimplify.c (gimplify_modify_expr): Set lhs even for noreturn
5713 calls if the return type is TREE_ADDRESSABLE.
5714 * cgraphunit.c (cgraph_node::expand_thunk): Likewise.
5715 * ipa-split.c (split_function): Fix doubled "we" in comment.
5716 Use void return type for the split part even if
5717 !split_point->split_part_set_retval.
5719 2016-02-10 Bin Cheng <bin.cheng@arm.com>
5721 PR tree-optimization/68021
5722 * tree-ssa-loop-ivopts.c (get_computation_aff): Set ratio to 1 if
5723 when computing the value of biv cand by itself.
5725 2016-02-10 Wilco Dijkstra <wdijkstr@arm.com>
5727 * config/aarch64/aarch64.c (cortexa53_tunings): Enable AES fusion.
5728 (cortexa57_tunings): Likewise.
5729 (cortexa72_tunings): Likewise.
5730 (arch_macro_fusion_pair_p): Add support for AES fusion.
5731 * config/aarch64/aarch64-fusion-pairs.def: Add AES_AESMC entry.
5732 * config/arm/aarch-common.c (aarch_crypto_can_dual_issue):
5733 Allow virtual registers before reload so early scheduling works.
5734 * config/arm/cortex-a57.md (cortex_a57_crypto_simple): Use
5735 correct latency and pipeline.
5736 (cortex_a57_crypto_complex): Likewise.
5737 (cortex_a57_crypto_xor): Likewise.
5738 (define_bypass): Add AES bypass.
5740 2016-02-10 Richard Biener <rguenther@suse.de>
5742 PR tree-optimization/69726
5743 * passes.def: Add DCE pass before late uninit.
5744 * match.pd: Add A ? B : (!A ? C : X) -> A ? B : C patterns to
5745 really fixup if-conversions job.
5747 2016-02-10 Wilco Dijkstra <wdijkstr@arm.com>
5749 * config/arm/arm.c (arm_cortex_a53_tune): Enable AES fusion.
5750 (arm_cortex_a57_tune): Likewise.
5751 (aarch_macro_fusion_pair_p): Add support for AES fusion.
5752 * config/arm/arm-protos.h (fuse_ops): Add FUSE_AES_AESMC.
5754 2016-02-10 Eric Botcazou <ebotcazou@adacore.com>
5756 * timevar.def (TV_PHASE_DBGINFO): Delete.
5757 (TV_PHASE_CHECK_DBGINFO): Likewise.
5758 * varpool.c (varpool_node::assemble_decl): Do not change timevar.
5760 2016-02-10 Richard Biener <rguenther@suse.de>
5762 PR tree-optimization/69719
5763 * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
5764 Adjust previous fix by ensuring that dr_a1 is left of dr_a2.
5766 2016-02-09 Andrew Pinski <apinski@cavium.com>
5769 * optabs-tree.c (expand_vec_cond_expr_p): Don't early return if
5770 get_vcond_mask_icode returns false.
5772 2016-02-09 Michael Meissner <meissner@linux.vnet.ibm.com>
5775 * config/rs6000/predicates.md (fusion_gpr_addis): Prevent fusing
5776 an ADDIS that adds a pointer to a large constant that sets the
5777 upper16 bits with a load operation.
5779 2016-02-09 Charles Baylis <charles.baylis@linaro.org>
5782 * config/arm/arm.c (arm_evpc_neon_vzip): Allow for big endian lane
5784 * config/arm/arm_neon.h (vzipq_s8): Adjust shuffle patterns for big
5786 (vzipq_s16): Likewise.
5787 (vzipq_s32): Likewise.
5788 (vzipq_f32): Likewise.
5789 (vzipq_u8): Likewise.
5790 (vzipq_u16): Likewise.
5791 (vzipq_u32): Likewise.
5792 (vzipq_p8): Likewise.
5793 (vzipq_p16): Likewise.
5795 2016-02-09 Charles Baylis <charles.baylis@linaro.org>
5798 * config/arm/arm.c (neon_endian_lane_map): New function.
5799 (neon_vector_pair_endian_lane_map): New function.
5800 (arm_evpc_neon_vuzp): Allow for big endian lane order.
5801 * config/arm/arm_neon.h (vuzpq_s8): Adjust shuffle patterns for big
5803 (vuzpq_s16): Likewise.
5804 (vuzpq_s32): Likewise.
5805 (vuzpq_f32): Likewise.
5806 (vuzpq_u8): Likewise.
5807 (vuzpq_u16): Likewise.
5808 (vuzpq_u32): Likewise.
5809 (vuzpq_p8): Likewise.
5810 (vuzpq_p16): Likewise.
5812 2016-02-11 Alexandre Oliva <aoliva@redhat.com>
5815 * regstat.c (regstat_bb_compute_calls_crossed): Disregard
5818 2016-02-09 Uros Bizjak <ubizjak@gmail.com>
5820 * config/i386/i386.md (insv<mode>_1): Use gen_int_mode to
5821 truncate const_int operand 1 to QImode.
5823 2016-02-09 Eric Botcazou <ebotcazou@adacore.com>
5825 * gimple-ssa-backprop.c (optimize_phi): Do not replace an argument
5826 corresponding to an abnormal edge.
5828 2016-02-09 Tom de Vries <tom@codesourcery.com>
5830 PR tree-optimization/69599
5831 * tree-ssa-structalias.c (fndecl_maybe_in_other_partition): New
5833 (find_func_aliases_for_builtin_call, find_func_clobbers)
5834 (ipa_pta_execute): Handle case that foo and foo._0 are not in same lto
5837 2016-02-09 Richard Biener <rguenther@suse.de>
5839 PR tree-optimization/69715
5840 * tree-ssa.c (execute_update_addresses_taken): Mark non-decl
5841 LHS on calls as non-rewritable.
5843 2016-02-09 Tom de Vries <tom@codesourcery.com>
5846 * lto-wrapper.c (append_diag_options): New function.
5847 (compile_offload_image): Call append_diag_options.
5849 2016-02-08 Sandra Loosemore <sandra@codesourcery.com>
5852 * doc/extend.texi (Flag Output Operands): Correct sectioning.
5853 Minor copy-edit to fix verb tenses.
5855 2016-02-08 Jakub Jelinek <jakub@redhat.com>
5857 PR tree-optimization/69209
5858 * ipa-split.c (split_function): If split part is not
5859 returning retval, retval has gimple type but is not
5860 gimple value, force it into a SSA_NAME first.
5862 2016-02-08 Nicklas Bo Jensen <nbjensen@gmail.com>
5864 * doc/tree-ssa.texi (Preserving the virtual SSA form): Remove
5867 2016-02-08 Jason Merrill <jason@redhat.com>
5870 * convert.c (convert_to_integer_1): Check dofold on truncation
5872 (convert_to_pointer_maybe_fold, convert_to_real_maybe_fold)
5873 (convert_to_integer_maybe_fold, convert_to_complex_maybe_fold):
5874 Rename from *_nofold.
5875 * convert.h (convert_to_pointer_nofold, convert_to_integer_nofold)
5876 (convert_to_real_nofold, convert_to_complex_nofold): New inlines.
5878 2016-02-08 Bernd Schmidt <bschmidt@redhat.com>
5881 * tree.c (build_common_tree_nodes): Remove short_double argument.
5882 All callers changed.
5883 * tree.h (build_common_tree_nodes): Adjust declaration.
5884 * doc/invoke.texi (-fshort-double): Remove documentation.
5885 * config/mips/t-img-elf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
5886 MULTILIB_EXCEPTIONS): Remove -fshort-double variant.
5887 * lto-wrapper.c (merge_and_complain, append_compiler_options)
5888 (append_linker_options): Don't handle OPT_fshort_double.
5890 PR rtl-optimization/68730
5891 * lra-remat.c (insn_to_cand_activation): New static variable.
5892 (lra_remat): Allocate and free it.
5893 (create_cand): New arg activation. Initialize a field in
5894 insn_to_cand_activation if it is nonnull.
5895 (create_cands): Pass the activation insn to create_cand when making
5896 a candidate involving an output reload. Reorganize code a little.
5897 (do_remat): Keep track of active status of candidates in a separate
5900 2016-02-08 Richard Biener <rguenther@suse.de>
5902 PR tree-optimization/69719
5903 * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
5904 Properly use absolute of the difference of the two offsets to
5905 compare or adjust the segment length.
5907 2016-02-08 Richard Biener <rguenther@suse.de>
5908 Jeff Law <law@redhat.com>
5911 * tree-ssanames.c (make_ssa_name_fn): Always use unqualified
5912 types for anonymous SSA names.
5914 2016-02-08 Richard Biener <rguenther@suse.de>
5916 PR rtl-optimization/69274
5917 * ira.c (ira_setup_alts): Do not change recog_data.operand order.
5919 2016-02-08 Jeff Law <law@redhat.com>
5921 PR tree-optimization/65917
5922 * tree-ssa-dom.c (record_temporary_equivalences): Record both
5923 equivalences from if (x == y) style conditionals.
5924 (loop_depth_of_name): Remove.
5925 (record_equality): Remove loop depth check.
5926 * tree-ssa-scopedtables.h (const_and_copies): Refine comments.
5927 (const_and_copies::record_const_or_copy_raw): New member function.
5928 * tree-ssa-scopedtables.c
5929 (const_and_copies::record_const_or_copy_raw): New, factored out of
5930 (const_and_copies::record_const_or_copy): Call new member function.
5932 2016-02-05 Jeff Law <law@redhat.com>
5934 PR tree-optimization/68541
5935 * gimple-ssa-split-paths.c: Include tree-cfg.h and params.h.
5936 (count_stmts_in_block): New function.
5937 (poor_ifcvt_candidate_code): Likewise.
5938 (is_feasible_trace): Add some heuristics to determine when path
5939 splitting is profitable.
5940 (find_block_to_duplicate_for_splitting_paths): Make sure the graph
5941 is a diamond with a single exit.
5943 2016-02-05 Martin Sebor <msebor@redhat.com>
5946 * doc/invoke.texi: Update -Wplacement-new to take an optional
5949 2016-02-06 Richard Henderson <rth@redhat.com>
5952 * tree.c (tree_nop_conversion_p): Do not strip casts into or
5953 out of non-standard address spaces.
5955 2016-02-05 Jakub Jelinek <jakub@redhat.com>
5957 PR rtl-optimization/69691
5958 * lra-eliminations.c (move_plus_up): Don't add the addend twice.
5960 2016-02-05 Pat Haugen <pthaugen@us.ibm.com>
5962 * config/rs6000/crypto.md (crypto_vpermxor_<mode>): Correct insn type.
5963 * config/rs6000/rs6000.md (mov<mode>_hardfloat): Likewise.
5964 (*ieee128_mfvsrd_64bit): Likewise.
5965 (*ieee128_mfvsrd_32bit): Likewise.
5967 2016-02-05 Ilya Enkovich <enkovich.gnu@gmail.com>
5971 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
5973 * cgraphunit.c (cgraph_node::reset): Clear thunk info and
5974 instrumented_version.
5976 2016-01-05 Jeremy Bennett <jeremy.bennett@embecosm.com>
5978 * doc/invoke.texi (Optimize Options): In table of --param options
5979 rename second occurrence of tracer-min-branch-ratio to
5980 tracer-min-branch-probability, rename
5981 tracer-min-branch-ratio-feedback to
5982 tracer-min-branch-probability-feedback and clarify description,
5983 rename sched-spec-state-edge-prob-cutoff to
5984 sched-state-edge-prob-cutoff, rename selsched-max-insns-to-rename
5985 to selsched-insns-to-rename, rename lto-minpartition to
5986 lto-min-partition, delete reorder-blocks-duplicate and
5987 reorder-blocks-duplicate-feedback.
5989 2016-02-05 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
5991 * config/s390/s390.c (s390_register_info_set_ranges): Remove
5994 2016-02-05 Dominik Vogt <vogt@linux.vnet.ibm.com>
5996 * doc/extend.texi: S/390: Correct some typos.
5998 2016-02-05 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
6000 * config/s390/s390.c (s390_emit_call): Add missing 64 bit check.
6002 2016-02-05 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
6005 * config/s390/s390.c (SAVE_SLOT_NONE, SAVE_SLOT_STACK): New defines.
6006 (s390_register_info_gprtofpr): Use new macros above.
6007 (s390_register_info_stdarg_fpr): Adjust max_fpr to better match
6009 (s390_register_info_stdarg_gpr): Adjust max_gpr to better match
6010 its name. Adjust restore and save gpr ranges.
6011 (s390_register_info_set_ranges): New function.
6012 (s390_register_info): Use new macros above. Call
6013 s390_register_info_set_ranges.
6014 (s390_optimize_register_info): Likewise.
6015 (s390_hard_regno_rename_ok): Use new macros.
6016 (s390_hard_regno_scratch_ok): Likewise.
6017 (s390_emit_epilogue): Likewise.
6018 (s390_can_use_return_insn): Likewise.
6019 (s390_optimize_prologue): Likewise.
6020 * config/s390/s390.md (GPR2_REGNUM, GPR6_REGNUM): New constants.
6022 2016-02-05 Jakub Jelinek <jakub@redhat.com>
6025 * config/i386/i386.c (convert_scalars_to_vector): Readd stack
6027 (ix86_option_override_internal): Disable TARGET_STV even for
6028 -m{incoming,preferred}-stack-boundary=3.
6030 2016-02-03 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
6032 * config.gcc: Mark deprecated rtems targets as obsolete.
6034 2016-02-04 Segher Boessenkool <segher@kernel.crashing.org>
6036 PR rtl-optimization/64682
6037 PR rtl-optimization/69567
6038 * combine.c (distribute_notes) <REG_DEAD>: Place the death note
6039 before I2 only if the register is both used and set in I2.
6041 2016-02-04 DJ Delorie <dj@redhat.com>
6043 * config/msp430/msp430.c (msp430_start_function): Add function type.
6045 2016-02-04 Jakub Jelinek <jakub@redhat.com>
6048 * tree-dfa.c (get_ref_base_and_extent): Remove unreachable code.
6050 2016-02-04 Uros Bizjak <ubizjak@gmail.com>
6052 PR rtl-optimization/69577
6054 2015-10-29 Richard Henderson <rth@redhat.com>
6058 * config/i386/i386.c (ix86_cannot_change_mode_class): Tighten
6059 sse check to the exact conditions of PR 67609.
6061 2016-02-04 Michael Meissner <meissner@linux.vnet.ibm.com>
6064 * config/rs6000/rs6000.md (mov<mode>_64bit_dm): Use 'd' constraint
6065 instead of 'ws', and 'wh' instead of 'wm' since TFmode/IFmode are
6066 not allowed into the traditional Altivec registers.
6067 (movtd_64bit_nodm): Likewise.
6068 (mov<mode>_32bit, FMOVE128_FPR iterator): Likewise.
6070 2016-02-04 David Malcolm <dmalcolm@redhat.com>
6072 * config/aarch64/cortex-a57-fma-steering.c
6073 (aarch64_register_fma_steering): Remove "static" from arguments
6076 2016-02-04 Wilco Dijkstra <wdijkstr@arm.com>
6079 * ccmp.c (expand_ccmp_expr_1): Avoid evaluating gs0/gs1
6082 2016-02-04 Mike Frysinger <vapier@gentoo.org>
6084 * doc/invoke.texi: Delete -mno-fma4.
6086 2016-02-04 Richard Sandiford <richard.sandiford@arm.com>
6088 PR rtl-optimization/69577
6089 * reginfo.c (record_subregs_of_mode): Add a partial_def parameter.
6090 (find_subregs_of_mode): Update accordingly. Iterate over partial
6093 2016-02-04 Alan Lawrence <alan.lawrence@arm.com>
6095 * config/arm/arm-protos.h (neon_reinterpret): Remove.
6096 * config/arm/arm.c (neon_reinterpret): Remove.
6097 * config/arm/arm_neon_builtins.def (vreinterpretv8qi, vreinterpretv4hi,
6098 vreinterpretv2si, vreinterpretv2sf, vreinterpretdi, vreinterpretv16qi,
6099 vreinterpretv8hi, vreinterpretv4si, vreinterpretv4sf, vreinterpretv2di,
6100 vreinterpretti): Remove.
6101 * config/arm/neon.md (neon_vreinterpretv8qi<mode>,
6102 neon_vreinterpretv4hi<mode>, neon_vreinterpretv2si<mode>,
6103 neon_vreinterpretv2sf<mode>, neon_vreinterpretdi<mode>,
6104 neon_vreinterpretti<mode>, neon_vreinterpretv16qi<mode>,
6105 neon_vreinterpretv8hi<mode>, neon_vreinterpretv4si<mode>,
6106 neon_vreinterpretv4sf<mode>, neon_vreinterpretv2di<mode>): Remove.
6107 * config/arm/arm_neon.h (vreinterpret_p8_p16, vreinterpret_p8_f32,
6108 vreinterpret_p8_p64, vreinterpret_p8_s64, vreinterpret_p8_u64,
6109 vreinterpret_p8_s8, vreinterpret_p8_s16, vreinterpret_p8_s32,
6110 vreinterpret_p8_u8, vreinterpret_p8_u16, vreinterpret_p8_u32,
6111 vreinterpret_p16_p8, vreinterpret_p16_f32, vreinterpret_p16_p64,
6112 vreinterpret_p16_s64, vreinterpret_p16_u64, vreinterpret_p16_s8,
6113 vreinterpret_p16_s16, vreinterpret_p16_s32, vreinterpret_p16_u8,
6114 vreinterpret_p16_u16, vreinterpret_p16_u32, vreinterpret_f32_p8,
6115 vreinterpret_f32_p16, vreinterpret_f32_p64, vreinterpret_f32_s64,
6116 vreinterpret_f32_u64, vreinterpret_f32_s8, vreinterpret_f32_s16,
6117 vreinterpret_f32_s32, vreinterpret_f32_u8, vreinterpret_f32_u16,
6118 vreinterpret_f32_u32, vreinterpret_p64_p8, vreinterpret_p64_p16,
6119 vreinterpret_p64_f32, vreinterpret_p64_s64, vreinterpret_p64_u64,
6120 vreinterpret_p64_s8, vreinterpret_p64_s16, vreinterpret_p64_s32,
6121 vreinterpret_p64_u8, vreinterpret_p64_u16, vreinterpret_p64_u32,
6122 vreinterpret_s64_p8, vreinterpret_s64_p16, vreinterpret_s64_f32,
6123 vreinterpret_s64_p64, vreinterpret_s64_u64, vreinterpret_s64_s8,
6124 vreinterpret_s64_s16, vreinterpret_s64_s32, vreinterpret_s64_u8,
6125 vreinterpret_s64_u16, vreinterpret_s64_u32, vreinterpret_u64_p8,
6126 vreinterpret_u64_p16, vreinterpret_u64_f32, vreinterpret_u64_p64,
6127 vreinterpret_u64_s64, vreinterpret_u64_s8, vreinterpret_u64_s16,
6128 vreinterpret_u64_s32, vreinterpret_u64_u8, vreinterpret_u64_u16,
6129 vreinterpret_u64_u32, vreinterpret_s8_p8, vreinterpret_s8_p16,
6130 vreinterpret_s8_f32, vreinterpret_s8_p64, vreinterpret_s8_s64,
6131 vreinterpret_s8_u64, vreinterpret_s8_s16, vreinterpret_s8_s32,
6132 vreinterpret_s8_u8, vreinterpret_s8_u16, vreinterpret_s8_u32,
6133 vreinterpret_s16_p8, vreinterpret_s16_p16, vreinterpret_s16_f32,
6134 vreinterpret_s16_p64, vreinterpret_s16_s64, vreinterpret_s16_u64,
6135 vreinterpret_s16_s8, vreinterpret_s16_s32, vreinterpret_s16_u8,
6136 vreinterpret_s16_u16, vreinterpret_s16_u32, vreinterpret_s32_p8,
6137 vreinterpret_s32_p16, vreinterpret_s32_f32, vreinterpret_s32_p64,
6138 vreinterpret_s32_s64, vreinterpret_s32_u64, vreinterpret_s32_s8,
6139 vreinterpret_s32_s16, vreinterpret_s32_u8, vreinterpret_s32_u16,
6140 vreinterpret_s32_u32, vreinterpret_u8_p8, vreinterpret_u8_p16,
6141 vreinterpret_u8_f32, vreinterpret_u8_p64, vreinterpret_u8_s64,
6142 vreinterpret_u8_u64, vreinterpret_u8_s8, vreinterpret_u8_s16,
6143 vreinterpret_u8_s32, vreinterpret_u8_u16, vreinterpret_u8_u32,
6144 vreinterpret_u16_p8, vreinterpret_u16_p16, vreinterpret_u16_f32,
6145 vreinterpret_u16_p64, vreinterpret_u16_s64, vreinterpret_u16_u64,
6146 vreinterpret_u16_s8, vreinterpret_u16_s16, vreinterpret_u16_s32,
6147 vreinterpret_u16_u8, vreinterpret_u16_u32, vreinterpret_u32_p8,
6148 vreinterpret_u32_p16, vreinterpret_u32_f32, vreinterpret_u32_p64,
6149 vreinterpret_u32_s64, vreinterpret_u32_u64, vreinterpret_u32_s8,
6150 vreinterpret_u32_s16, vreinterpret_u32_s32, vreinterpret_u32_u8,
6151 vreinterpret_u32_u16, vreinterpretq_p8_p16, vreinterpretq_p8_f32,
6152 vreinterpretq_p8_p64, vreinterpretq_p8_p128, vreinterpretq_p8_s64,
6153 vreinterpretq_p8_u64, vreinterpretq_p8_s8, vreinterpretq_p8_s16,
6154 vreinterpretq_p8_s32, vreinterpretq_p8_u8, vreinterpretq_p8_u16,
6155 vreinterpretq_p8_u32, vreinterpretq_p16_p8, vreinterpretq_p16_f32,
6156 vreinterpretq_p16_p64, vreinterpretq_p16_p128, vreinterpretq_p16_s64,
6157 vreinterpretq_p16_u64, vreinterpretq_p16_s8, vreinterpretq_p16_s16,
6158 vreinterpretq_p16_s32, vreinterpretq_p16_u8, vreinterpretq_p16_u16,
6159 vreinterpretq_p16_u32, vreinterpretq_f32_p8, vreinterpretq_f32_p16,
6160 vreinterpretq_f32_p64, vreinterpretq_f32_p128, vreinterpretq_f32_s64,
6161 vreinterpretq_f32_u64, vreinterpretq_f32_s8, vreinterpretq_f32_s16,
6162 vreinterpretq_f32_s32, vreinterpretq_f32_u8, vreinterpretq_f32_u16,
6163 vreinterpretq_f32_u32, vreinterpretq_p64_p8, vreinterpretq_p64_p16,
6164 vreinterpretq_p64_f32, vreinterpretq_p64_p128, vreinterpretq_p64_s64,
6165 vreinterpretq_p64_u64, vreinterpretq_p64_s8, vreinterpretq_p64_s16,
6166 vreinterpretq_p64_s32, vreinterpretq_p64_u8, vreinterpretq_p64_u16,
6167 vreinterpretq_p64_u32, vreinterpretq_p128_p8, vreinterpretq_p128_p16,
6168 vreinterpretq_p128_f32, vreinterpretq_p128_p64, vreinterpretq_p128_s64,
6169 vreinterpretq_p128_u64, vreinterpretq_p128_s8, vreinterpretq_p128_s16,
6170 vreinterpretq_p128_s32, vreinterpretq_p128_u8, vreinterpretq_p128_u16,
6171 vreinterpretq_p128_u32, vreinterpretq_s64_p8, vreinterpretq_s64_p16,
6172 vreinterpretq_s64_f32, vreinterpretq_s64_p64, vreinterpretq_s64_p128,
6173 vreinterpretq_s64_u64, vreinterpretq_s64_s8, vreinterpretq_s64_s16,
6174 vreinterpretq_s64_s32, vreinterpretq_s64_u8, vreinterpretq_s64_u16,
6175 vreinterpretq_s64_u32, vreinterpretq_u64_p8, vreinterpretq_u64_p16,
6176 vreinterpretq_u64_f32, vreinterpretq_u64_p64, vreinterpretq_u64_p128,
6177 vreinterpretq_u64_s64, vreinterpretq_u64_s8, vreinterpretq_u64_s16,
6178 vreinterpretq_u64_s32, vreinterpretq_u64_u8, vreinterpretq_u64_u16,
6179 vreinterpretq_u64_u32, vreinterpretq_s8_p8, vreinterpretq_s8_p16,
6180 vreinterpretq_s8_f32, vreinterpretq_s8_p64, vreinterpretq_s8_p128,
6181 vreinterpretq_s8_s64, vreinterpretq_s8_u64, vreinterpretq_s8_s16,
6182 vreinterpretq_s8_s32, vreinterpretq_s8_u8, vreinterpretq_s8_u16,
6183 vreinterpretq_s8_u32, vreinterpretq_s16_p8, vreinterpretq_s16_p16,
6184 vreinterpretq_s16_f32, vreinterpretq_s16_p64, vreinterpretq_s16_p128,
6185 vreinterpretq_s16_s64, vreinterpretq_s16_u64, vreinterpretq_s16_s8,
6186 vreinterpretq_s16_s32, vreinterpretq_s16_u8, vreinterpretq_s16_u16,
6187 vreinterpretq_s16_u32, vreinterpretq_s32_p8, vreinterpretq_s32_p16,
6188 vreinterpretq_s32_f16, vreinterpretq_s32_f32, vreinterpretq_s32_p64,
6189 vreinterpretq_s32_p128, vreinterpretq_s32_s64, vreinterpretq_s32_u64,
6190 vreinterpretq_s32_s8, vreinterpretq_s32_s16, vreinterpretq_s32_u8,
6191 vreinterpretq_s32_u16, vreinterpretq_s32_u32, vreinterpretq_u8_p8,
6192 vreinterpretq_u8_p16, vreinterpretq_u8_f32, vreinterpretq_u8_p64,
6193 vreinterpretq_u8_p128, vreinterpretq_u8_s64, vreinterpretq_u8_u64,
6194 vreinterpretq_u8_s8, vreinterpretq_u8_s16, vreinterpretq_u8_s32,
6195 vreinterpretq_u8_u16, vreinterpretq_u8_u32, vreinterpretq_u16_p8,
6196 vreinterpretq_u16_p16, vreinterpretq_u16_f32, vreinterpretq_u16_p64,
6197 vreinterpretq_u16_p128, vreinterpretq_u16_s64, vreinterpretq_u16_u64,
6198 vreinterpretq_u16_s8, vreinterpretq_u16_s16, vreinterpretq_u16_s32,
6199 vreinterpretq_u16_u8, vreinterpretq_u16_u32, vreinterpretq_u32_p8,
6200 vreinterpretq_u32_p16, vreinterpretq_u32_f32, vreinterpretq_u32_p64,
6201 vreinterpretq_u32_p128, vreinterpretq_u32_s64, vreinterpretq_u32_u64,
6202 vreinterpretq_u32_s8, vreinterpretq_u32_s16, vreinterpretq_u32_s32,
6203 vreinterpretq_u32_u8, vreinterpretq_u32_u16): Rewrite using casts.
6205 2016-02-04 Martin Liska <mliska@suse.cz>
6208 * asan.c (has_stmt_been_instrumented_p): Instrument gimple calls
6209 that are gimple_store_p.
6210 (maybe_instrument_call): Likewise.
6212 2016-02-04 Bin Cheng <bin.cheng@arm.com>
6214 * config/aarch64/aarch64.c (aarch64_legitimize_address): Force
6215 register scaling out of memory reference and comment why.
6217 2016-02-04 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
6221 * cse.c (cse_insn): Pass NULL to fold_rtx when initially
6222 folding the source of a SET.
6224 2016-02-04 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
6228 * config/arm/arm.c (arm_new_rtx_costs, MULT case): Properly extract
6229 the operands of the SIGN_EXTENDs from a SMUL[TB][TB] rtx.
6231 2016-02-04 Jim Wilson <jim.wilson@linaro.org>
6235 * config/arm/arm.h (PROMOTE_MODE): Don't set UNSIGNEDP for QImode and
6238 2016-02-04 Christian Bruel <christian.bruel@st.com>
6240 * config/arm/arm-c.c (arm_reset_previous_fndecl): Style fix and typo.
6241 * config/arm/arm.c (arm_set_current_function): Likewise.
6243 2016-02-04 Jakub Jelinek <jakub@redhat.com>
6244 Ilya Enkovich <enkovich.gnu@gmail.com>
6245 H.J. Lu <hongjiu.lu@intel.com>
6248 * config/i386/i386.c (convert_scalars_to_vector): Remove
6249 stack alignment fixes.
6250 (ix86_option_override_internal): Disable TARGET_STV if stack
6251 might not be aligned enough.
6252 (ix86_minimum_alignment): Assert that TARGET_STV is false.
6254 2016-02-04 Victoria Stepanyan <victoria.stepanyan@amd.com>
6256 * gcc/config/i386/x86-tune.def: Disable default prefetching
6259 2016-02-03 Michael Meissner <meissner@linux.vnet.ibm.com>
6260 Vladimir Makarov <vmakarov@redhat.com>
6263 * config/rs6000/rs6000.c (rs6000_legitimate_address_p): Fix thinko
6264 in validating fused toc addresses.
6266 2016-02-03 Jakub Jelinek <jakub@redhat.com>
6269 * diagnostic-show-locus.c (layout::get_state_at_point): Don't read
6270 range->m_caret fields if range->m_show_caret_p is false.
6273 * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap):
6274 Force oldval into register if it does not satisfy reg_or_short_operand
6275 predicate. Fix up formatting.
6277 2016-02-03 Vladimir Makarov <vmakarov@redhat.com>
6278 Alexandre Oliva <aoliva@redhat.com>
6281 * lra-constraints.c (simplify_operand_subreg): Check additionally
6282 address validity after potential reloading.
6283 (process_address_1): Check insns validity. In case of failure do
6286 2016-02-03 Kirill Yukhin <kirill.yukhin@intel.com>
6289 * config/i386/sse.md (define_insn "avx512f_maskcmp<mode>3"):
6292 2016-02-02 Jakub Jelinek <jakub@redhat.com>
6294 * wide-int.cc (canonize_uhwi): New function.
6295 (wi::divmod_internal): Use it.
6297 2016-02-02 James Norris <jnorris@codesourcery.com
6299 * gimplify.c (omp_notice_variable): Add usage check.
6301 2016-02-02 Alexander Monakov <amonakov@ispras.ru>
6303 * config/nvptx/nvptx.c (nvptx_print_operand): Treat LEU, GEU, LTU, GTU
6304 like LE, GE, LT, GT when emitting relational operator.
6306 2016-02-02 Wilco Dijkstra <wdijkstr@arm.com>
6308 * ira-costs.c (find_costs_and_classes): Add extra argument.
6309 * target.def (ira_change_pseudo_allocno_class): Add parameter.
6310 * targhooks.h (ira_change_pseudo_allocno_class): Likewise.
6311 * targhooks.c (ira_change_pseudo_allocno_class): Likewise.
6312 * config/aarch64/aarch64.c (aarch64_ira_change_pseudo_allocno_class)
6313 Add best_class parameter, and return it if not ALL_REGS.
6314 * config/mips/mips.c (mips_ira_change_pseudo_allocno_class):
6316 * doc/tm.texi (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS):
6319 2016-02-02 Wilco Dijkstra <wdijkstr@arm.com>
6321 * config/aarch64/aarch64.c
6322 (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS): New define.
6323 (aarch64_ira_change_pseudo_allocno_class): New function.
6325 2016-02-02 Uros Bizjak <ubizjak@gmail.com>
6328 * config/i386/i386.c (geode_cost): Increase cost of MMX and SSE moves.
6330 2016-02-02 Senthil Kumar Selvaraj <senthil_kumar.selvaraj@atmel.com>
6332 * config/avr/avr.c (avr_option_override): Set
6333 PARAM_ALLOW_STORE_DATA_RACES to 1.
6335 2016-02-02 Richard Biener <rguenther@suse.de>
6337 PR tree-optimization/69595
6338 * match.pd: Add range test simplifications to true/false.
6340 2016-02-02 Thomas Schwinge <thomas@codesourcery.com>
6342 * omp-builtins.def (BUILT_IN_GOACC_HOST_DATA): Remove.
6343 * omp-low.c (expand_omp_target): Use BUILT_IN_GOACC_DATA_START
6346 2016-02-02 Richard Biener <rguenther@suse.de>
6348 PR tree-optimization/69606
6349 * tree-ssa-math-opts.c (bswap_replace): Clear flow sensitive
6350 info on the result before moving a stmt.
6352 2016-02-02 Yuri Rumyantsev <ysrumyan@gmail.com>
6355 * config/i386/i386.c (ix86_expand_branch): Add support for conditional
6356 branch with vector comparison.
6357 * config/i386/sse.md (VI48_AVX): New mode iterator.
6358 (define_expand "cbranch<mode>4): Add support for conditional branch
6359 with vector comparison.
6360 * tree-vect-loop.c (optimize_mask_stores): New function.
6361 * tree-vect-stmts.c (vectorizable_mask_load_store): Initialize
6362 has_mask_store field of vect_info.
6363 * tree-vectorizer.c (vectorize_loops): Invoke optimaze_mask_stores for
6364 vectorized loops having masked stores after vec_info destroy.
6365 * tree-vectorizer.h (loop_vec_info): Add new has_mask_store field and
6366 correspondent macros.
6367 (optimize_mask_stores): Add prototype.
6369 2016-02-02 Alan Modra <amodra@gmail.com>
6372 * config/rs6000/predicates.md (quad_int_reg_operand): Don't
6375 2016-02-02 Alan Modra <amodra@gmail.com>
6378 * config/rs6000/rs6000.c (need_toc_init): New var, set it
6379 whenever toc_label_name used.
6380 (rs6000_file_start): Don't set up toc section here,
6381 (rs6000_output_function_epilogue): do so here instead,
6382 (rs6000_xcoff_file_start): and here.
6383 * config/rs6000/rs6000.md (load_toc_aix_si): Set need_toc_init.
6384 (load_toc_aix_di): Likewise.
6386 2016-02-01 Jakub Jelinek <jakub@redhat.com>
6388 PR rtl-optimization/69592
6389 * rtlanal.c (nonzero_bits_binary_arith_p): New inline function.
6390 (cached_nonzero_bits): Use it instead of ARITHMETIC_P.
6391 (num_sign_bit_copies_binary_arith_p): New inline function.
6392 (cached_num_sign_bit_copies): Use it instead of ARITHMETIC_P.
6394 2016-02-01 Jeff Law <law@redhat.com>
6396 PR tree-optimization/69580
6397 * params.def (FSM_MAXIMUM_PHI_ARGUMENTS): New param.
6398 * tree-ssa-threadbackward.c
6399 (fsm_find_control_statement_thread_paths): Do not try to walk
6400 through large PHI nodes.
6402 2016-02-01 Jakub Jelinek <jakub@redhat.com>
6404 * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Return false
6405 when count is incremented above limit, don't analyze further
6408 * omp-low.c (oacc_parse_default_dims): Avoid
6409 -Wsign-compare warning, make sure value fits into int
6410 rather than just unsigned int.
6412 2016-02-01 Bin Cheng <bin.cheng@arm.com>
6414 PR tree-optimization/67921
6415 * fold-const.c (split_tree): New parameters. Convert pointer
6416 type variable part to proper type before negating.
6417 (fold_binary_loc): Pass new arguments to split_tree.
6419 2016-02-01 Nathan Sidwell <nathan@codesourcery.com>
6421 * config/nvptx/nvptx.c (PTX_GANG_DEFAULT): New.
6422 (nvptx_goacc_validate_dims): Extend to handle global defaults.
6423 * target.def (OACC_VALIDATE_DIMS): Extend documentation.
6424 * doc/tm.texti: Rebuilt.
6425 * doc/invoke.texi (fopenacc-dim): Document.
6426 * lto-wrapper.c (merge_and_complain): Add OPT_fopenacc_dim_ case.
6427 (append_compiler_options): Likewise.
6428 * omp-low.c (oacc_default_dims, oacc_min_dims): New.
6429 (oacc_parse_default_dims): New.
6430 (oacc_validate_dims): Add USED arg. Select non-unity default when
6432 (oacc_loop_fixed_partitions): Return mask of used partitions.
6433 (oacc_loop_auto_partitions): Emit dump info.
6434 (oacc_loop_partition): Return mask of used partitions.
6435 (execute_oacc_device_lower): Parse default dimension arg. Adjust
6436 loop partitioning and validation calls.
6438 2016-02-01 Richard Biener <rguenther@suse.de>
6441 * match.pd: Guard (C1/X)*C2 -> (C1*C2)/X with single_use.
6443 2016-02-01 Richard Biener <rguenther@suse.de>
6445 PR tree-optimization/69574
6446 * tree-chrec.c (hide_evolution_in_other_loops_than_loop): Instead
6447 of asserting return chrec_dont_know.
6449 2016-02-01 Martin Liska <mliska@suse.cz>
6451 * mem-stats-traits.h: Add copyright header.
6452 * mem-stats.h: Likewise.
6454 2016-02-01 Richard Biener <rguenther@suse.de>
6456 PR tree-optimization/69579
6457 * tree-ssa-loop-ivcanon.c (propagate_constants_for_unrolling):
6458 Do not propagate through abnormal PHI results.
6460 2016-02-01 Eric Botcazou <ebotcazou@adacore.com>
6462 * postreload.c (reload_cse_simplify): Remove dead code.
6464 2016-02-01 Jakub Jelinek <jakub@redhat.com>
6466 PR rtl-optimization/69570
6467 * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Return true only
6468 if there is more than one set, not if there is a single set.
6470 2016-02-01 Richard Henderson <rth@redhat.com>
6473 * combine.c (make_compound_operation): When looking through a
6474 subreg, make sure to re-extend to the width of the outer mode.
6476 2016-01-30 Jakub Jelinek <jakub@redhat.com>
6478 PR tree-optimization/69546
6479 * wide-int.cc (wi::divmod_internal): For unsigned division
6480 where both operands fit into uhwi, if o1 is 1 and o0 has
6481 msb set, if divident_prec is larger than bits per hwi,
6482 clear another quotient word and return 2 instead of 1.
6483 Similarly for remainder with msb in HWI set, if dividend_prec
6484 is larger than bits per hwi.
6486 2016-01-29 Martin Jambor <mjambor@suse.cz>
6488 * hsa-gen.c (get_memory_order_name): Mask with MEMMODEL_BASE_MASK.
6489 Use short lowercase names.
6490 (get_memory_order): Mask with MEMMODEL_BASE_MASK. Support
6491 MEMMODEL_CONSUME with acquire semantics and MEMMODEL_SEQ_CST with
6492 acq_rel one. Protect warning agains segfaults if
6493 get_memory_order_name returns NULL.
6494 (gen_hsa_ternary_atomic_for_builtin): Support with MEMMODEL_SEQ_CST
6495 with release semantics. Do not warn if get_memory_order already did.
6496 (gen_hsa_insns_for_call): Support with MEMMODEL_SEQ_CST with acquire
6497 semantics. Fix check for relaxed or acquire semantics. Do not warn
6498 if get_memory_order already did.
6500 2016-01-29 Sebastian Pop <s.pop@samsung.com>
6502 * doc/install.texi: Document that isl-0.16 is supported.
6504 2016-01-29 Vladimir Makarov <vmakarov@redhat.com>
6507 * config/i386/constraints.md (Bm): Describe as special memory
6509 * doc/md.texi (DEFINE_SPECIAL_MEMORY_CONSTRAINT): Describe it.
6510 * genoutput.c (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
6511 * genpreds.c (struct constraint_data): Add is_special_memory.
6512 (have_special_memory_constraints, special_memory_start): New
6514 (special_memory_end): Ditto.
6515 (add_constraint): Add new arg is_special_memory. Add code to
6516 process its true value. Update have_special_memory_constraints.
6517 (process_define_constraint): Pass the new arg.
6518 (process_define_register_constraint): Ditto.
6519 (choose_enum_order): Process special memory.
6520 (write_tm_preds_h): Generate enum const CT_SPECIAL_MEMORY and
6521 function insn_extra_special_memory_constraint.
6522 (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
6523 * gensupport.c (process_rtx): Process
6524 DEFINE_SPECIAL_MEMORY_CONSTRAINT.
6525 * ira-costs.c (record_reg_classes): Process CT_SPECIAL_MEMORY.
6526 * ira-lives.c (single_reg_class): Use
6527 insn_extra_special_memory_constraint.
6528 * ira.c (ira_setup_alts): Process CT_SPECIAL_MEMORY.
6529 * lra-constraints.c (process_alt_operands): Ditto.
6530 (curr_insn_transform): Use insn_extra_special_memory_constraint.
6531 * recog.c (asm_operand_ok, preprocess_constraints): Process
6533 * reload.c (find_reloads): Ditto.
6534 * rtl.def (DEFINE_SPECIFAL_MEMORY_CONSTRAINT): New.
6535 * stmt.c (parse_input_constraint): Use
6536 insn_extra_special_memory_constraint.
6538 2016-01-29 H.J. Lu <hongjiu.lu@intel.com>
6541 * lra-splill.c (lra_final_code_change): Revert r229087 by
6542 removing all sub-registers.
6544 2016-01-29 Steve Ellcey <sellcey@imgtec.com>
6547 * config/mips/mips.c (mips_output_division): Check flag_delayed_branch.
6549 2016-01-29 Jakub Jelinek <jakub@redhat.com>
6552 * config/i386/i386.c (ix86_expand_vector_set) <case V4SImode>: For
6553 SSE1, copy target into the temporary reg first before recursing
6556 2016-01-29 H.J. Lu <hongjiu.lu@intel.com>
6558 * config/i386/sse.md (sse2_cvtps2pd<mask_name>): Replace vBm
6561 2016-01-29 Jonathan Wakely <jwakely@redhat.com>
6563 * ginclude/stdarg.h: Test __cplusplus instead of
6564 __GXX_EXPERIMENTAL_CXX0X__.
6566 2016-01-29 Richard Biener <rguenther@suse.de>
6568 PR tree-optimization/69547
6569 * tree-ssa-dce.c (mark_aliased_reaching_defs_necessary_1):
6570 Do not mark clobbers necessary.
6571 (mark_all_reaching_defs_necessary_1): Likewise.
6573 2016-01-29 Dominik Vogt <vogt@linux.vnet.ibm.com>
6575 * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Format
6576 declaration name with %qs and print it in both error messages.
6577 Also fix indentation.
6579 2016-01-29 Dominik Vogt <vogt@linux.vnet.ibm.com>
6582 * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Remove
6583 trailing blank line from error message.
6585 2016-01-29 Jonathan Wakely <jwakely@redhat.com>
6588 * ginclude/float.h: Also provide FLT_EVAL_METHOD and DECIMAL_DIG
6591 2016-01-29 Richard Biener <rguenther@suse.de>
6594 * match.pd: Allow all integral types when simplifying a
6595 widening or sign-changing conversion.
6597 2016-01-28 Sebastian Pop <s.pop@samsung.com>
6599 * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Revert assert
6600 back to setting codegen_error to fail codegen.
6602 2016-01-28 Uros Bizjak <ubizjak@gmail.com>
6605 * config/i386/constraints.md (C): Only accept constant zero operand.
6606 (BC): New constraint.
6607 * config/i386/sse.md (*mov<mode>_internal): Use BC constraint
6608 instead of C constraint.
6609 * doc/md.texi (Machine Constraints): Update description
6612 2016-01-28 Steve Ellcey <sellcey@imgtec.com>
6615 * config/mips/mips.c (and_operands_ok): Add MIPS16 check.
6617 2016-01-28 Jakub Jelinek <jakub@redhat.com>
6620 * lra-remat.c (calculate_local_reg_remat_bb_data): Only consider
6623 2016-01-28 Pat Haugen <pthaugen@us.ibm.com>
6625 * config/rs6000/rs6000.c (output_cbranch): Don't statically predict
6626 branches if using guessed profile.
6628 2016-01-28 H.J. Lu <hongjiu.lu@intel.com>
6630 * graphite-optimize-isl.c (optimize_isl): Fix dump.
6632 2016-01-28 Richard Henderson <rth@redhat.com>
6635 * config/aarch64/aarch64-modes.def (CC_Cmode): New
6636 * config/aarch64/aarch64-protos.h: Update.
6637 * config/aarch64/aarch64.c (aarch64_zero_extend_const_eq): New.
6638 (aarch64_select_cc_mode): Add check for use of CC_Cmode.
6639 (aarch64_get_condition_code_1): Handle CC_Cmode.
6640 * config/aarch64/aarch64.md (addti3): Use adddi3_compareC.
6641 (*add<mode>3_compareC_cconly_imm): New.
6642 (*add<mode>3_compareC_cconly): New.
6643 (*add<mode>3_compareC_imm): New.
6644 (add<mode>3_compareC): New.
6645 (add<mode>3_carryin, *addsi3_carryin_uxtw): Sort compare operand
6646 to be first. Use aarch64_carry_operation.
6647 (*add<mode>3_carryin_alt1, *addsi3_carryin_alt1_uxtw): Remove.
6648 (*add<mode>3_carryin_alt2, *addsi3_carryin_alt2_uxtw): Remove.
6649 (*add<mode>3_carryin_alt3, *addsi3_carryin_alt3_uxtw): Remove.
6650 (subti3): Use subdi3_compare1.
6651 (*sub<mode>3_compare0): Rename from sub<mode>3_compare0.
6652 (sub<mode>3_compare1): New.
6653 (*sub<mode>3_carryin0, *subsi3_carryin_uxtw): New.
6654 (*sub<mode>3_carryin): Use aarch64_borrow_operation.
6655 (*subsi3_carryin_uxtw): Likewise.
6656 (*ngc<mode>, *ngcsi_uxtw): Likewise.
6657 (*sub<mode>3_carryin_alt, *subsi3_carryin_alt_uxtw): New.
6658 * config/aarch64/iterators.md (DWI): New.
6659 * config/aarch64/predicates.md (aarch64_carry_operation): New.
6660 (aarch64_borrow_operation): New.
6662 2016-01-28 Abderrazek Zaafrani <a.zaafrani@samsung.com>
6664 * graphite-optimize-isl.c (optimize_isl): Print a different debug
6665 message when isl does not return a valid schedule.
6667 2016-01-28 Sebastian Pop <s.pop@samsung.com>
6669 * graphite-isl-ast-to-gimple.c (class translate_isl_ast_to_gimple):
6670 Remove comments from class declarations: they are already in the code
6673 2016-01-28 Sebastian Pop <s.pop@samsung.com>
6675 * graphite-isl-ast-to-gimple.c (binary_op_to_tree): Call
6677 (ternary_op_to_tree): Same.
6678 (unary_op_to_tree): Same.
6679 (nary_op_to_tree): Same.
6680 (gcc_expression_from_isl_expr_op): Same.
6681 (gcc_expression_from_isl_expression): Same.
6682 (graphite_create_new_loop): Same.
6683 (graphite_create_new_loop_guard): Same.
6684 (build_iv_mapping): Same.
6685 (graphite_create_new_guard): Same.
6686 (translate_isl_ast_to_gimple::copy_loop_phi_nodes): Same.
6687 (translate_isl_ast_to_gimple::translate_pending_phi_nodes): Same.
6689 2016-01-28 Sebastian Pop <s.pop@samsung.com>
6691 * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Assert
6692 instead of setting codegen_error to fail codegen.
6694 2016-01-28 Jason Merrill <jason@redhat.com>
6696 * tree.h (BINFO_FLAG_0): Rename from BINFO_MARKED.
6698 2016-01-28 Wilco Dijkstra <wdijkstr@arm.com>
6700 * config/aarch64/aarch64.c (aarch64_if_then_else_costs):
6701 Remove CONST_INT_P check in CCMP cost calculation.
6703 2016-01-28 Wilco Dijkstra <wdijkstr@arm.com>
6705 * config/aarch64/aarch64.c (generic_vector_cost):
6706 Set vec_permute_cost.
6707 (cortexa57_vector_cost): Likewise.
6708 (exynosm1_vector_cost): Likewise.
6709 (xgene1_vector_cost): Likewise.
6710 (aarch64_builtin_vectorization_cost): Use vec_permute_cost.
6711 * config/aarch64/aarch64-protos.h (cpu_vector_cost):
6712 Add vec_permute_cost entry.
6714 2016-01-28 Wilco Dijkstra <wdijkstr@arm.com>
6716 * config/aarch64/aarch64.md (ccmp<mode>): Disassemble
6718 (add<mode>3_compare0): Likewise.
6719 (addsi3_compare0_uxtw): Likewise.
6720 (add<mode>3nr_compare0): Likewise.
6721 (compare_neg<mode>): Likewise.
6722 (<optab><mode>3): Likewise.
6724 2016-01-28 Ilya Enkovich <enkovich.gnu@gmail.com>
6726 * tree-vect-stmts.c (vectorizable_comparison): Add
6727 NULL check for vectype.
6729 2016-01-28 Richard Biener <rguenther@suse.de>
6731 PR tree-optimization/69466
6732 * tree-vect-loop-manip.c (slpeel_duplicate_current_defs_from_edges):
6733 Account for PHIs we couldn't duplicate.
6735 2016-01-28 Martin Liska <mliska@suse.cz>
6738 * ggc-common.c (gt_pch_save): Use ENABLE_VALGRIND_ANNOTATIONS macro
6739 instead of ENABLE_VALGRIND_CHECKING.
6741 2016-01-27 Richard Henderson <rth@redhat.com>
6744 * lra-remat.c (subreg_regs): New.
6745 (dump_candidates_and_remat_bb_data): Dump it.
6746 (operand_to_remat): Reject if operand in subreg_regs.
6747 (set_bb_regs): Collect subreg_regs.
6748 (lra_remat): Init and free subreg_regs. Compute
6749 calculate_local_reg_remat_bb_data before create_cands.
6751 2016-01-27 H.J. Lu <hongjiu.lu@intel.com>
6754 * config/i386/i386.c (ix86_update_stack_boundary): Don't
6755 change stack_alignment_needed for __tls_get_addr call.
6757 2016-01-27 Segher Boessenkool <segher@kernel.crashing.org>
6759 * config/rs6000/rs6000.c (print_operand): Rollback 's' removal.
6761 2016-01-27 Jeff Law <law@redhat.com>
6763 PR tree-optimization/68398
6764 PR tree-optimization/69196
6765 * params.def (PARAM_FSM_SCALE_PATH_STMTS): New parameter.
6766 (PARAM_FSM_SCALE_PATH_BLOCKS): Likewise.
6767 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
6768 Only count PHIs in the last block in the path. The others will
6769 const/copy propagate away. Add heuristic to allow more irreducible
6770 subloops to be created when it is likely profitable to do so.
6772 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
6773 Fix typo in comment. Use gsi_after_labels and remove the GIMPLE_LABEL
6774 check from within the loop. Use gsi_next_nondebug rather than gsi_next.
6776 2016-01-27 Jakub Jelinek <jakub@redhat.com>
6779 * sanitizer.def: Add BEGIN_SANITIZER_BUILTINS and
6780 END_SANITIZER_BUILTINS markers using DEF_BUILTIN_STUB.
6781 * asan.c (DEF_BUILTIN_STUB): Temporarily define.
6782 * tree-streamer-in.c: Include asan.h.
6783 (streamer_get_builtin_tree): For builtins in sanitizer
6784 range call initialize_sanitizer_builtins and retry.
6786 2016-01-27 Ian Lance Taylor <iant@google.com>
6788 * common.opt (fkeep-gc-roots-live): New undocumented option.
6789 * tree-ssa-loop-ivopts.c (add_candidate_1): If
6790 -fkeep-gc-roots-live, skip pointers.
6791 (add_iv_candidate_for_biv): Handle add_candidate_1 returning
6794 2016-01-27 Uros Bizjak <ubizjak@gmail.com>
6797 * config/i386/i386.md (*zext<mode>_doubleword_and): New pattern.
6798 (*zext<mode>_doubleword): Disable for TARGET_ZERO_EXTEND_WITH_AND.
6800 2016-01-27 Thomas Klausner <wiz@NetBSD.org>
6803 * configure.ac: NetBSD provides SSP in its C library.
6804 * configure: Updated.
6806 2016-01-27 Richard Biener <rguenther@suse.de>
6808 PR tree-optimization/69166
6809 * tree-vect-loop.c (vect_is_simple_reduction): Always check
6810 reduction code for commutativity / associativity.
6812 2016-01-27 Martin Jambor <mjambor@suse.cz>
6814 PR tree-optimization/69355
6815 * tree-sra.c (analyze_access_subtree): Correct hole detection when
6816 total_scalarization fails.
6818 2016-01-27 David Edelsohn <dje.gcc@gmail.com>
6820 * config/rs6000/driver-rs6000.c (detect_processor_aix): Add
6823 2016-01-27 Christian Bruel <christian.bruel@st.com>
6826 * config/arm/arm-c.c (arm_pragma_target_parse): Add comments.
6827 Move arm_reset_previous_fndecl and set_target_option_current_node in
6828 the conditional part. Call save_restore_target_globals.
6829 * config/arm/arm.c (arm_set_current_function):
6830 Refactor to better support #pragma target and attribute mix.
6831 Call save_restore_target_globals.
6832 * config/arm/arm-protos.h (save_restore_target_globals): New function.
6834 2016-01-27 Martin Liska <mliska@suse.cz>
6836 * hsa.c (hsa_summary_t::link_functions): Create IPA_REF_ADDR
6837 reference for an HSA kernel and its host function.
6839 2016-01-27 Jakub Jelinek <jakub@redhat.com>
6841 PR tree-optimization/69399
6842 * wide-int.h (wi::lrshift): For larger precisions, only
6843 use fast path if shift is known to be < HOST_BITS_PER_WIDE_INT.
6845 2016-01-27 Claudiu Zissulescu <claziss@synopsys.com>
6847 * config/arc/predicates.md (proper_comparison_operator): Reject
6848 constant-constant comparison.
6850 2016-01-26 Tom de Vries <tom@codesourcery.com>
6852 PR tree-optimization/69110
6853 * tree-data-ref.c (initialize_data_dependence_relation): Handle
6854 DR_NUM_DIMENSIONS == 0.
6856 2016-01-26 Abderrazek Zaafrani <a.zaafrani@samsung.com>
6857 Sebastian Pop <s.pop@samsung.com>
6859 * graphite-isl-ast-to-gimple.c (ternary_op_to_tree): Handle
6860 isl_ast_op_cond and isl_ast_op_select.
6861 (gcc_expression_from_isl_expr_op): Same.
6863 2016-01-26 Jason Merrill <jason@redhat.com>
6866 * tree.c (recompute_constructor_flags): Split out from
6868 (verify_constructor_flags): New.
6869 * tree.h: Declare them.
6871 2016-01-26 Iain Buclaw <ibuclaw@gdcproject.org>
6873 PR rtl-optimization/69217
6874 * var-tracking.c (tracked_record_parameter_p): Don't segfault if there
6875 are no TYPE_FIELDS set for the record type.
6877 2016-01-26 Jakub Jelinek <jakub@redhat.com>
6880 * config/rs6000/rs6000.c (rs6000_option_override_internal): Initialize
6881 toc_label_name unconditionally.
6882 (rs6000_emit_load_toc_table): Call ggc_strdup on toc_label_name for
6883 SYMBOL_REF string. Use toc_label_name instead of constructing
6885 (rs6000_elf_declare_function_name): Use toc_label_name instead of
6886 constructing LCTOC1.
6888 2016-01-26 Martin Sebor <msebor@redhat.com>
6891 * doc/extend.texi (Common Type Attributes): Move text that talks about
6892 attribute packed from attribute aligned to the section discussing
6893 the former attribute for clarity.
6895 2016-01-26 Richard Henderson <rth@redhat.com>
6898 * trans-mem.c (tm_region_init): Mark entry block as visited.
6900 2016-01-26 David Malcolm <dmalcolm@redhat.com>
6903 * diagnostic-show-locus.c (layout::print_source_line): Replace
6904 call to pp_newline with call to layout::print_newline.
6905 (layout::print_annotation_line): Likewise.
6906 (layout::move_to_column): Likewise.
6907 (layout::print_any_fixits): After printing any fixits, print a
6908 trailing newline, if necessary.
6909 (layout::print_newline): New method, resetting any colorization
6911 (diagnostic_show_locus): Move the pp_newline to before the
6912 early bailout. Remove dummy block enclosing the layout instance.
6913 * diagnostic.c (default_diagnostic_finalizer): Replace invocation
6914 of pp_newline_and_flush with pp_flush.
6915 (diagnostic_append_note): Delete use of pp_newline.
6916 (diagnostic_append_note_at_rich_loc): Delete.
6917 * diagnostic.h (diagnostic_append_note_at_rich_loc): Delete.
6918 * pretty-print.h (output_buffer_append_r): Reset buff->line_length
6919 when newline characters are added to the buffer.
6921 2016-01-26 Michael Matz <matz@suse.de>
6923 * configure.ac (ac_cv_std_swap_in_utility): New test.
6924 * system.h (<algorithm>): Check HAVE_SWAP_IN_UTILITY as well.
6925 * configure: Regenerate.
6926 * config.in: Regenerate.
6928 2016-01-26 Claudiu Zissulescu <claziss@synopsys.com>
6930 * config/arc/arc.md (cstoresi4): Force operand into register.
6931 (arcset<code>): Fix predicate.
6932 (arcsetltu): Likewise.
6933 (arcsetgeu): Likewise.
6934 (arcsethi): Likewise.
6935 (arcsetls): Likewise.
6937 2016-01-26 Jakub Jelinek <jakub@redhat.com>
6939 PR tree-optimization/69483
6940 * gimple-fold.c (canonicalize_constructor_val): Return NULL
6941 if base has error_mark_node type.
6943 2016-01-26 Christophe Lyon <christophe.lyon@linaro.org>
6946 * config/arm/arm.c (neon_valid_immediate): Handle FP16 vectors.
6947 * config/arm/arm_neon.h (__ARM_NUM_LANES, __arm_lane, arm_lanq):
6949 (vget_lane_f16): Handle big-endian.
6950 (vgetq_lane_f16): Likewise.
6951 (vset_lane_f16): Likewise.
6952 (vsetq_lane_f16): Likewise.
6953 * config/arm/iterators.md (VQXMOV): Add V8HF.
6954 (VDQ): Add V4HF and V8HF.
6955 (V_reg): Handle V4HF and V8HF.
6956 (Is_float_mode): Likewise.
6957 * config/arm/neon.md (movv4hf, movv8hf, neon_vdup_nv4hf,
6958 neon_vdup_nv8hf): New patterns.
6959 (vec_set<mode>_internal, vec_extract<mode>, neon_vld1_dup<mode>):
6960 Use VD_LANE iterator.
6961 (neon_vld1_dup<mode>): Use VQ2 iterator.
6963 2016-01-26 Nathan Sidwell <nathan@acm.org>
6965 * omp-low.h (oacc_fn_attrib_kernels_p): Declare.
6966 (set_oacc_fn_attrib): Add IS_KERNEL arg.
6967 * omp-low.c (set_oacc_fn_attrib): Add IS_KERNEL arg.
6968 (oacc_fn_attrib_kernels_p, oacc_fn_attrib_level): New.
6969 (expand_omp_target): Pass is_kernel to set_oacc_fn_attrib.
6970 (oacc_validate_dims): Add LEVEL arg, don't return level.
6971 (new_oacc_loop_routine): Use oacc_fn_attrib_level, not
6973 (execute_oacc_device_lower): Adjust, add more dump output.
6974 * tree-ssa-loop.c (gate_oacc_kernels): Use
6975 oacc_fn_attrib_kernels_p.
6976 * tree-parloops.c (create_parallel_loop): Adjust
6977 set_oacc_fn_attrib call.
6979 2016-01-26 Jakub Jelinek <jakub@redhat.com>
6982 * lto-wrapper.c (merge_and_complain): Handle -fcilkplus.
6983 (append_compiler_options): Handle -fcilkplus.
6984 (append_linker_options): Ignore -fno-{openmp,openacc,cilkplus}.
6986 2016-01-26 Nick Clifton <nickc@redhat.com>
6989 * config/i386/winnt.c (i386_pe_binds_local_p): If a function has
6990 been marked as DECL_ONE_ONLY but we do not the means to make it
6991 so, then do not allow it to bind locally.
6993 2016-01-26 Jakub Jelinek <jakub@redhat.com>
6996 * opts.h (parse_sanitizer_options): New prototype.
6997 * opts.c (sanitizer_opts): New array.
6998 (parse_sanitizer_options): New function.
6999 (common_handle_option): Use parse_sanitizer_options.
7001 2016-01-26 H.J. Lu <hongjiu.lu@intel.com>
7004 * config/i386/i386.c (ix86_compute_frame_layout): Move stack
7005 alignment adjustment to ...
7006 (ix86_update_stack_boundary): Here. Don't over-align stack for
7008 (ix86_finalize_stack_realign_flags): Use stack_alignment_needed
7009 if __tls_get_addr is called.
7011 2016-01-26 Christian Bruel <christian.bruel@st.com>
7013 * doc/sourcebuild.texi (arm_crypto_pragma_ok): Remove.
7015 2016-01-26 Eric Botcazou <ebotcazou@adacore.com>
7017 * config/ia64/ia64.c (ia64_expand_vecint_compare): Use gen_int_mode.
7019 2016-01-26 Richard Biener <rguenther@suse.de>
7022 * match.pd: Guard X * CST CMP 0 pattern with single_use.
7024 2016-01-26 Richard Biener <rguenther@suse.de>
7026 PR tree-optimization/69452
7027 * tree-ssa-loop-im.c (move_computations_dom_walker): Remove.
7028 (move_computations_dom_walker::before_dom_children): Rename
7030 (move_computations_worker): This.
7031 (move_computations): Perform an RPO rather than a DOM walk.
7033 2016-01-26 Jakub Jelinek <jakub@redhat.com>
7036 * combine.c (combine_instructions): For REG_EQUAL note with
7037 SET_DEST being ZERO_EXTRACT, also temporarily set SET_DEST
7038 to the underlying register.
7039 * doc/rtl.texi (REG_EQUAL): Document the behavior of
7040 REG_EQUAL/REG_EQUIV notes if SET_DEST is ZERO_EXTRACT.
7042 2016-01-26 Roger Ferrer Ibáñez <rofirrim@gmail.com>
7045 * config/aarch64/aarch64-builtins.c
7046 (aarch64_init_simd_builtin_types): Do not set structural
7047 equality to __Poly{8,16,64,128}_t types.
7049 2016-01-26 Richard Sandiford <richard.sandiford@arm.com>
7051 PR tree-optimization/69400
7052 * wide-int.cc (wi_pack): Take the precision as argument and
7053 perform canonicalization here rather than in the callers.
7054 Use the main loop to handle all full-width HWIs. Add a
7055 zero HWI if in_len isn't a full result.
7056 (wi::divmod_internal): Update accordingly.
7057 (wi::mul_internal): Likewise. Simplify.
7059 2016-01-25 Aditya Kumar <aditya.k7@samsung.com>
7060 Sebastian Pop <s.pop@samsung.com>
7062 * graphite-poly.c (apply_poly_transforms): Simplify.
7063 (print_isl_set): Use more readable format: ISL_YAML_STYLE_BLOCK.
7064 (print_isl_map): Same.
7065 (print_isl_union_map): Same.
7066 (print_isl_schedule): New.
7067 (debug_isl_schedule): New.
7068 * graphite-dependences.c (scop_get_reads): Do not call
7069 isl_union_map_add_map that is undocumented isl functionality.
7070 (scop_get_must_writes): Same.
7071 (scop_get_may_writes): Same.
7072 (scop_get_original_schedule): Remove.
7073 (scop_get_dependences): Do not call isl_union_map_compute_flow that
7074 is deprecated in isl 0.15. Instead, use isl_union_access_* interface.
7075 (compute_deps): Remove.
7076 * graphite-isl-ast-to-gimple.c (print_schedule_ast): New.
7077 (debug_schedule_ast): New.
7078 (translate_isl_ast_to_gimple::scop_to_isl_ast): Call
7079 set_separate_option.
7080 (graphite_regenerate_ast_isl): Add dump.
7081 (translate_isl_ast_to_gimple::scop_to_isl_ast): Generate code
7082 from scop->transformed_schedule.
7083 (graphite_regenerate_ast_isl): Add more dump.
7084 * graphite-optimize-isl.c (optimize_isl): Set
7085 scop->transformed_schedule. Check whether schedules are equal.
7086 (apply_poly_transforms): Move here.
7087 * graphite-poly.c (apply_poly_transforms): ... from here.
7088 (free_poly_bb): Static.
7089 (free_scop): Static.
7090 (pbb_number_of_iterations_at_time): Remove.
7091 (print_isl_ast): New.
7092 (debug_isl_ast): New.
7093 (debug_scop_pbb): New.
7094 * graphite-scop-detection.c (print_edge): Move.
7096 * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Remove.
7097 (build_scop_scattering): Remove.
7098 (create_pw_aff_from_tree): Assert instead of bailing out.
7099 (add_condition_to_pbb): Remove unused code, do not fail.
7100 (add_conditions_to_domain): Same.
7101 (add_conditions_to_constraints): Remove.
7102 (build_scop_context): New.
7103 (add_iter_domain_dimension): New.
7104 (build_iteration_domains): Initialize pbb->iterators.
7105 Call add_conditions_to_domain.
7108 (index_outermost_in_loop): New.
7109 (index_pbb_in_loop): New.
7110 (outermost_pbb_in): New.
7111 (add_in_sequence): New.
7112 (add_outer_projection): New.
7113 (outer_projection_mupa): New.
7114 (add_loop_schedule): New.
7115 (build_schedule_pbb): New.
7116 (build_schedule_loop): New.
7117 (embed_in_surrounding_loops): New.
7118 (build_schedule_loop_nest): New.
7119 (build_original_schedule): New.
7120 (build_poly_scop): Call build_original_schedule.
7121 * graphite.h: Declare print_isl_schedule and debug_isl_schedule.
7122 (free_poly_dr): Remove.
7123 (struct poly_bb): Add iterators. Remove schedule, transformed, saved.
7124 (free_poly_bb): Remove.
7125 (debug_loop_vec): Remove.
7126 (print_isl_ast): Declare.
7127 (debug_isl_ast): Declare.
7128 (scop_do_interchange): Remove.
7129 (scop_do_strip_mine): Remove.
7130 (scop_do_block): Remove.
7131 (flatten_all_loops): Remove.
7132 (optimize_isl): Remove.
7133 (pbb_number_of_iterations_at_time): Remove.
7134 (debug_scop_pbb): Declare.
7135 (print_schedule_ast): Declare.
7136 (debug_schedule_ast): Declare.
7137 (struct scop): Remove schedule. Add original_schedule,
7138 transformed_schedule.
7139 (free_gimple_poly_bb): Remove.
7140 (print_generated_program): Remove.
7141 (debug_generated_program): Remove.
7142 (unify_scattering_dimensions): Remove.
7143 * sese.c (print_edge): ... here.
7144 (print_sese): ... here.
7145 (debug_edge): ... here.
7146 (debug_sese): ... here.
7147 * sese.h (print_edge): Declare.
7148 (print_sese): Declare.
7149 (dump_edge): Declare.
7150 (dump_sese): Declare.
7152 2016-01-25 Aditya Kumar <aditya.k7@samsung.com>
7153 Sebastian Pop <s.pop@samsung.com>
7155 * Makefile.in: Set ISLVER in site.exp.
7157 2016-01-25 Jakub Jelinek <jakub@redhat.com>
7159 * omp-low.c (lower_omp_target) <case USE_DEVICE_PTR>: Set
7160 DECL_VALUE_EXPR of new_var even for the non-array case. Look
7161 through DECL_VALUE_EXPR for expansion.
7163 2016-01-25 Bernd Edlinger <bernd.edlinger@hotmail.de>
7165 * config/mips/mips.c (mips_compute_frame_info): Skip re-computing
7166 the frame info after reload completed.
7168 2016-01-25 Jeff Law <law@redhat.com>
7170 PR tree-optimization/69196
7171 PR tree-optimization/68398
7172 * tree-ssa-threadupdate.h (enum bb_dom_status): Moved here from
7173 tree-ssa-threadupdate.c.
7174 (determine_bb_domination_status): Prototype
7175 * tree-ssa-threadupdate.c (enum bb_dom_status): Remove
7176 (determine_bb_domination_status): No longer static.
7177 (valid_jump_thread_path): Remove code to detect characteristics
7178 of the jump thread path not associated with correctness.
7179 * tree-ssa-threadbackward.c (fsm_find_control_statment_thread_paths):
7180 Correct test for thread path length. Count PHIs for real operands as
7181 statements that need to be copied. Do not count ASSERT_EXPRs.
7182 Look at all the blocks in the thread path. Compute and selectively
7183 filter thread paths based on threading through the latch, threading
7184 a multiway branch or crossing a multiway branch.
7186 2016-01-25 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
7188 * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled): Add
7189 decl with __attribute__ ((unused)) annotation.
7191 2016-01-25 Ilya Enkovich <enkovich.gnu@gmail.com>
7194 * tree-vect-stmts.c (vectorizable_condition): Check vectype
7195 of operands is compatible with a statement vectype.
7197 2016-01-25 Eric Botcazou <ebotcazou@adacore.com>
7199 * doc/extend.texi (scalar_storage_order type attribute): Fix typo and
7200 improve wording for mixed storage order support.
7202 2016-01-25 Bilyan Borisov <bilyan.borisov@arm.com>
7204 * config/aarch64/arm_neon.h (vcvt_s64_f64): New intrinsic.
7205 (vcvt_u64_f64): Likewise.
7206 (vcvta_s64_f64): Likewise.
7207 (vcvta_u64_f64): Likewise.
7208 (vcvtm_s64_f64): Likewise.
7209 (vcvtm_u64_f64): Likewise.
7210 (vcvtn_s64_f64): Likewise.
7211 (vcvtn_u64_f64): Likewise.
7212 (vcvtp_s64_f64): Likewise.
7213 (vcvtp_u64_f64): Likewise.
7215 2016-01-25 Claudiu Zissulescu <claziss@synopsys.com>
7217 * config/arc/arc.c (TARGET_DWARF_REGISTER_SPAN): Define.
7218 (arc_init): Check validity mll64 option.
7219 (arc_save_restore): Use double load/store instruction.
7220 (arc_expand_movmem): Likewise.
7221 (arc_split_move): Don't split if we have double load/store
7222 instructions. Returns a boolean.
7223 (arc_process_double_reg_moves): Change function to return boolean
7224 instead of a sequence of instructions.
7225 (arc_dwarf_register_span): New function.
7226 * config/arc/arc-protos.h (arc_split_move): Change prototype.
7227 * config/arc/arc.h (TARGET_CPU_CPP_BUILTINS): Define __ARC_LL64__.
7228 * config/arc/arc.md (*movdi_insn): Emit ldd/std instructions.
7229 (*movdf_insn): Likewise.
7230 * config/arc/arc.opt (mll64): New option.
7231 * config/arc/predicates.md (even_register_operand): New predicate.
7232 * doc/invoke.texi (ARC Options): Add mll64 documentation.
7234 2016-01-25 Richard Biener <rguenther@suse.de>
7237 * dwarf2out.c (is_naming_typedef_decl): Not when DECL_NAMELESS.
7238 * tree-streamer-out.c (pack_ts_base_value_fields): Stream
7240 * tree-streamer-in.c (unpack_ts_base_value_fields): Likewise.
7242 2016-01-25 Richard Biener <rguenther@suse.de>
7244 PR tree-optimization/69376
7245 * tree-ssa-sccvn.h (struct vn_ssa_aux): Add range_info_anti_range_p
7247 (VN_INFO_ANTI_RANGE_P): New inline.
7248 (VN_INFO_RANGE_TYPE): Likewise.
7249 * tree-ssa-sccvn.c (set_ssa_val_to): Also record and copy
7250 SSA_NAME_ANTI_RANGE_P.
7251 (free_scc_vn): Restore SSA_NAME_ANTI_RANGE_P.
7252 * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
7253 Properly query VN_INFO_RANGE_TYPE.
7255 2016-01-25 Nick Clifton <nickc@redhat.com>
7258 * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Remove definition.
7260 2016-01-23 Tom de Vries <tom@codesourcery.com>
7262 PR tree-optimization/69426
7263 * tree-parloops.c (eliminate_local_variables_stmt): Handle vdef of
7266 2016-01-23 Jakub Jelinek <jakub@redhat.com>
7268 * tree-ssanames.c (release_free_names_and_compact_live_names): Replace
7269 "the the" with "the" in the comments.
7270 * ipa-devirt.c (build_type_inheritance_graph,
7271 update_type_inheritance_graph): Likewise.
7272 * tree.c (build_function_type_list_1): Likewise.
7273 * cfgloopmanip.c (scale_loop_profile): Likewise.
7274 * tree-ssa-loop-ivopts.c (get_shiftadd_cost): Likewise.
7275 * gimple-ssa-split-paths.c
7276 (find_block_to_duplicate_for_splitting_paths): Likewise.
7277 * tree-sra.c (init_subtree_with_zero, clobber_subtree): Likewise.
7278 * expr.c (convert_move): Likewise.
7279 * var-tracking.c (vt_stack_adjustments): Likewise.
7280 * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Likewise.
7281 * tree-vrp.c (test_for_singularity): Likewise.
7283 * tree-vect-stmts.c (vectorizable_condition): Build a VEC_COND_EXPR
7284 directly instead of building a temporary tree.
7287 * genrecog.c: Define INCLUDE_ALGORITHM before including system.h,
7288 remove <algorithm> include.
7290 2016-01-22 Jakub Jelinek <jakub@redhat.com>
7293 * config/i386/i386.c: Include dojump.h.
7294 (expand_small_movmem_or_setmem,
7295 expand_set_or_movmem_prologue_epilogue_by_misaligned_moves): Spelling
7297 (ix86_expand_set_or_movmem): Call do_pending_stack_adjust () early
7298 if dynamic_check != -1.
7300 2016-01-21 Jeff Law <law@redhat.com>
7303 * tree-ssa-dom.c (back_propagate_equivalences): Factored out of
7304 record_temporary_equivalences. Rewritten to avoid unnecessary calls
7305 into dominated_by_p.
7306 (cprop_into_successor_phis): Avoid unnecessary tests.
7308 2016-01-22 Richard Henderson <rth@redhat.com>
7311 * config/aarch64/aarch64.md (UNSPEC_NZCV): New.
7312 (ccmp<mode>, fccmp<mode>, fccmpe<mode>): Use it.
7314 2016-01-22 Michael Matz <matz@suse.de>
7316 * system.h (string, algorithm): Include only conditionally.
7317 (new): Include always under C++.
7318 * bb-reorder.c (toplevel): Define INCLUDE_ALGORITHM.
7319 * final.c (toplevel): Ditto.
7320 * ipa-chkp.c (toplevel): Define INCLUDE_STRING.
7321 * genconditions.c (write_header): Make gencondmd.c define
7323 * mem-stats.h (mem_usage::print_dash_line): Don't use std::string.
7325 * config/aarch64/aarch64.c (toplevel): Define INCLUDE_STRING.
7326 * common/config/aarch64/aarch64-common.c (toplevel): Ditto.
7328 2016-01-22 Christian Bruel <christian.bruel@st.com>
7331 * expr.c (expand_expr_real_1): Reset DECL_MODE if VECTOR_TYPE_P changed.
7333 2016-01-22 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
7336 * config/arm/thumb2.md (*thumb2_ior_scc_strict_it): Convert to
7337 define_insn_and_split. Ensure operands[1] and operands[0] do not
7338 get assigned the same register.
7340 2016-01-22 Kugan Vivekanandarajah <kuganv@linaro.org>
7342 * ipa-prop.c (ipa_set_jf_constant): Remove redundant unshare_expr.
7344 2016-01-22 Christian Bruel <christian.bruel@st.com>
7346 * config/arm/arm-c.c (arm_pragma_target_parse):
7347 Remove warn_builtin_macro_redefined overwrite.
7349 2016-01-22 Eric Botcazou <ebotcazou@adacore.com>
7351 * ipa-inline.c (can_inline_edge_p): Back out overzealous check on
7352 flag_non_call_exceptions compatibility.
7354 2016-01-22 Jakub Jelinek <jakub@redhat.com>
7357 * dwarf2out.c (add_child_die_after): New function.
7358 (dwarf_qual_info_t): New type.
7359 (dwarf_qual_info): New variable.
7360 (qualified_die_p): New function.
7361 (modified_type_die): For -fdebug-types-section, ensure
7362 canonical order of qualifiers. Put qualified DIEs adjacent
7363 to the corresponding non-qualified type DIE and search there
7364 for existing qualified DIEs.
7366 2016-01-22 Eric Botcazou <ebotcazou@adacore.com>
7368 * doc/extend.texi (scalar_storage_order type attribute): Document
7369 restriction on type punning and aliasing, and remove future tense.
7371 2016-01-21 Roman Zhuykov <zhroma@ispras.ru>
7374 * modulo-sched.c (optimize_sc): Allow branch-scheduling to add a new
7377 2016-01-21 Jeff Law <law@redhat.com>
7380 * tree-ssa-dom.c (dom_opt_dom_walker::thread_across_edge): Avoid
7381 useless call to record_temporary_equivalences.
7382 * tree-ssa-threadbackward.c (find_jump_threads_backwards): Just
7383 allocate 10 slots in the bb_path vector and let it grow as needed.
7384 (fsm_find_control_statement_thread_paths): Similarly for the next_path
7387 2016-01-21 David Edelsohn <dje.gcc@gmail.com>
7389 * configure.ac (gcc_cv_as_powerpc_mfcrf, gcc_cv_as_machine_directive):
7391 * configure: Regenerate.
7393 2016-01-21 Pat Haugen <pthaugen@us.ibm.com>
7395 * config/rs6000/aix71.h (ASM_CPU_SPEC): Add entry for Power9.
7396 * config/rs6000/driver-rs6000.c (struct asm_names): Likewise.
7398 2016-01-21 Bernd Schmidt <bschmidt@redhat.com>
7401 * expr.c (expand_expr_real_2) [PLUS_EXPR, MINUS_EXPR]: Don't
7402 drop EXPAND_INITIALIZER.
7403 * rtl.h (contains_symbolic_reference_p): Declare.
7404 * rtlanal.c (contains_symbolic_reference_p): New function.
7405 * simplify-rtx.c (simplify_binary_operation_1): Don't turn
7406 a subtraction into a NOT if symbolic constants are involved.
7408 2016-01-21 Anton Blanchard <anton@samba.org>
7409 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
7412 * config/rs6000/linux64.h (TARGET_KEEP_LEAF_WHEN_PROFILED): New
7414 * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled): New
7417 2016-01-21 Ajit Agarwal <ajitkum@xilinx.com>
7419 * config/microblaze/microblaze.c
7420 (get_branch_target): New.
7421 (insert_wic_for_ilb_runout): New.
7423 (microblaze_machine_dependent_reorg): New.
7424 (TARGET_MACHINE_DEPENDENT_REORG): Define macro.
7425 * config/microblaze/microblaze.md
7426 (UNSPEC_IPREFETCH): Define.
7427 (iprefetch): New pattern
7428 * config/microblaze/microblaze.opt
7429 (mxl-prefetch): New flag.
7431 2016-01-21 Ajit Agarwal <ajitkum@xilinx.com>
7433 * config/microblaze/microblaze.h
7434 (FIXED_REGISTERS): Update in macro.
7435 (CALL_USED_REGISTERS): Update in macro.
7437 2016-01-21 Yuri Rumyantsev <ysrumyan@gmail.com>
7439 PR rtl-optimization/68920
7440 * ifcvt.c (cond_move_process_if_block): Limit number of conditional
7443 2016-01-21 Vladimir Makarov <vmakarov@redhat.com>
7445 PR rtl-optimization/68990
7446 * lra-coalesce.c (lra_coalesce): Invalidate value for the result
7447 pseudo instead of inheritance ones.
7449 2016-01-21 Bernd Edlinger <bernd.edlinger@hotmail.de>
7450 Nick Clifton <nickc@redhat.com>
7454 * config/mips/mips.c (mips_compute_frame_info): Initialise
7455 args_size and hard_frame_pointer_offset fields of the frame
7456 structure before calling mips_global_pointer.
7458 2016-01-21 David Edelsohn <dje.gcc@gmail.com>
7460 * configure.ac (gcc_cv_as_dwloc): Test support for debug frame section
7462 * configure: Regenerate.
7464 2016-01-21 Richard Biener <rguenther@suse.de>
7466 * graphite-optimize-isl.c (get_schedule_map): Fix typo.
7468 2016-01-21 Marcin Kościelnicki <koriakin@0x04.net>
7470 * config/s390/s390.c (s390_asm_declare_function_size): Add code
7471 to actually emit the .size directive.
7473 2016-01-21 Stefan Sørensen <stefan.sorensen@spectralink.com>
7474 Jakub Jelinek <jakub@redhat.com>
7478 * config/arm/arm-builtins.c (arm_expand_neon_builtin): Increase
7479 args array size by one to avoid buffer overflow.
7481 2016-01-21 Marcin Kościelnicki <koriakin@0x04.net>
7483 * config/s390/s390.md (pool_section_start): Use switch_to_section
7484 to select proper read-only data section instead of hardcoding
7486 (pool_section_end): Use switch_to_section to match the above.
7488 2016-01-21 Richard Biener <rguenther@suse.de>
7490 PR tree-optimization/69378
7491 * tree-ssa-sccvn.c (dominated_by_p_w_unex): New function.
7492 (set_ssa_val_to): Use it for dominance checks taking into
7493 account not executable edges.
7495 2016-01-21 Jakub Jelinek <jakub@redhat.com>
7498 * tree-dfa.c (get_ref_base_and_extent): Use GET_MODE_BITSIZE (mode)
7499 for bitsize instead of GET_MODE_PRECISION (mode).
7501 2016-01-20 Martin Sebor <msebor@redhat.com>
7504 * extend.texi (__sync Builtins): Clarify the semantics of
7505 __sync_fetch_and_OP built-ins on pointers.
7506 (__atomic Builtins): Same.
7508 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
7509 Sebastian Pop <s.pop@samsung.com>
7511 * graphite-isl-ast-to-gimple.c (enum phi_node_kind): New.
7512 (class translate_isl_ast_to_gimple): Use phi_node_kind instead of bool.
7513 (is_valid_rename): Same.
7514 (translate_isl_ast_to_gimple::get_rename): Same.
7515 (translate_isl_ast_to_gimple::rename_all_uses): Same.
7516 (translate_isl_ast_to_gimple::rename_uses): Same.
7517 (get_new_name): Check for close_phi nodes.
7518 (copy_loop_phi_args): Use phi_node_kind.
7519 (translate_isl_ast_to_gimple::copy_loop_close_phi_args): Same.
7520 (translate_isl_ast_to_gimple::copy_cond_phi_args): Same.
7522 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
7523 Sebastian Pop <s.pop@samsung.com>
7525 Revert commit r229783.
7526 * graphite-isl-ast-to-gimple.c (gcc_expression_from_isl_ast_expr_id):
7527 Remove use of parameter_rename_map.
7529 (copy_internal_parameters): Remove.
7530 (graphite_regenerate_ast_isl): Remove call to copy_internal_parameters.
7531 * sese.c (new_sese_info): Do not initialize parameter_rename_map.
7532 (free_sese_info): Do not free parameter_rename_map.
7533 (set_rename): Do not use parameter_rename_map.
7534 (rename_uses): Update call to set_rename.
7535 (graphite_copy_stmts_from_block): Do not use parameter_rename_map.
7536 * sese.h (parameter_rename_map_t): Remove.
7537 (struct sese_info_t): Remove field parameter_rename_map.
7539 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
7540 Sebastian Pop <s.pop@samsung.com>
7542 * graphite-isl-ast-to-gimple.c: Fix comment.
7543 * graphite-scop-detection.c (defined_in_loop_p): New.
7544 (canonicalize_loop_closed_ssa): Do not add close phi nodes for SSA
7545 names defined in loop.
7547 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
7548 Sebastian Pop <s.pop@samsung.com>
7550 * graphite-scop-detection.c (scop_detection::harmful_loop_in_region):
7551 Discard unstructured if-then-else regions.
7553 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
7554 Sebastian Pop <s.pop@samsung.com>
7556 * graphite-sese-to-poly.c (set_scop_parameter_dim): Remove.
7557 (cleanup_loop_iter_dom): Remove.
7558 (build_loop_iteration_domains): Remove.
7559 (build_scop_context): Remove.
7560 (build_scop_iteration_domain): Remove.
7561 (add_loop_constraints): New.
7562 (build_iteration_domains): New.
7563 (build_poly_scop): Call build_iteration_domains.
7565 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
7566 Sebastian Pop <s.pop@samsung.com>
7568 * graphite-scop-detection.c
7569 (scop_detection::harmful_loop_in_region): Free dom and loops.
7570 (scop_detection::loop_body_is_valid_scop): Free bbs.
7572 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
7573 Sebastian Pop <s.pop@samsung.com>
7575 * graphite-scop-detection.c (record_loop_in_sese): New.
7576 (gather_bbs::before_dom_children): Call record_loop_in_sese.
7577 (build_scops): Remove call to build_sese_loop_nests.
7578 * sese.c (sese_record_loop): Remove.
7579 (build_sese_loop_nests): Remove.
7580 (new_sese_info): Remove region->loops.
7581 (free_sese_info): Same.
7582 * sese.h (sese_contains_loop): Same.
7583 (build_sese_loop_nests): Remove.
7584 (sese_contains_loop): Remove.
7586 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
7587 Sebastian Pop <s.pop@samsung.com>
7589 * graphite-scop-detection.c (loop_is_valid_scop): Renamed
7590 loop_is_valid_in_scop.
7591 (scop_detection::harmful_stmt_in_region): Renamed
7592 harmful_loop_in_region.
7593 Call loop_is_valid_in_scop.
7595 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
7596 Sebastian Pop <s.pop@samsung.com>
7598 * graphite-isl-ast-to-gimple.c (translate_isl_ast): Also handle
7601 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
7602 Sebastian Pop <s.pop@samsung.com>
7604 * graphite-poly.c (new_poly_bb): Remove use of PBB_IS_REDUCTION.
7605 * graphite.h (struct poly_bb): Remove field is_reduction.
7606 (PBB_IS_REDUCTION): Remove.
7608 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
7609 Sebastian Pop <s.pop@samsung.com>
7611 * graphite-dependences.c (constrain_domain): Add call to isl_*_coalesce.
7612 (add_pdr_constraints): Same.
7613 (scop_get_reads): Same.
7614 (scop_get_must_writes): Same.
7615 (scop_get_may_writes): Same.
7616 (scop_get_original_schedule): Same.
7617 (extend_schedule): Same.
7618 (apply_schedule_on_deps): Same.
7619 (carries_deps): Same.
7620 (compute_deps): Same.
7621 (scop_get_dependences): Same.
7622 * graphite-isl-ast-to-gimple.c
7623 (translate_isl_ast_to_gimple::generate_isl_schedule): Same.
7624 * graphite-optimize-isl.c (get_schedule_for_band): Same.
7625 (get_schedule_for_band_list): Same.
7626 (get_schedule_map): Same.
7627 (apply_schedule_map_to_scop): Same.
7628 * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
7629 (build_loop_iteration_domains): Same.
7630 (add_condition_to_pbb): Same.
7631 (add_param_constraints): Same.
7632 (pdr_add_memory_accesses): Same.
7633 (pdr_add_data_dimensions): Same.
7635 2016-01-20 Sandra Loosemore <sandra@codesourcery.com>
7637 * doc/invoke.texi (Instrumentation Options): Clarify -mmpx linking
7640 2016-01-20 Sandra Loosemore <sandra@codesourcery.com>
7642 * common.opt (feliminate-dwarf2-dups): Replace references to
7643 "DWARF 2" with just "DWARF".
7644 * config/ia64/ia64.opt (mdwarf2-asm): Likewise.
7645 * doc/extend.texi: Likewise.
7646 * doc/cpp.texi: Likewise.
7647 * doc/invoke.texi: Likewise.
7648 (Option Summary): Add -gdwarf to list of Debugging Options.
7649 (Debugging Options): Document -gdwarf.
7650 * doc/contrib.texi: Spell "DWARF" like that.
7652 2016-01-21 Jakub Jelinek <jakub@redhat.com>
7654 * omp-low.c (expand_omp_target): Avoid -Wmaybe-uninitialized
7655 warning. Fix up formatting.
7658 * gimplify.c (gimplify_asm_expr): Warn if it is too late to
7659 attempt to mark memory input operand addressable and
7660 call prepare_gimple_addressable in that case. Don't adjust
7661 input_location for diagnostics, use error_at instead.
7663 2016-01-20 Peter Bergner <bergner@vnet.ibm.com>
7665 * config/rs6000/ppc-auxv.h: New file.
7666 * config/rs6000/rs6000-builtin.def (cpu_init): Add new builtin.
7668 (cpu_supports): Likewise.
7669 * config/rs6000/rs6000.c: include "ppc-auxv.h".
7670 (cpu_is_info): New variable.
7671 (cpu_supports_info): Likewise.
7672 (tcb_verification_symbol): Likewise.
7673 (cpu_builtin_p): Likewise.
7674 (cpu_expand_builtin): New function.
7675 (rs6000_expand_ternop_builtin): Add support for CPU builtin functions.
7676 (rs6000_init_builtins): Likewise.
7677 (rs6000_elf_file_end): Emit HWCAP in TCB verification symbol.
7678 * config/rs6000/rs6000.h (TLS_REGNUM): New define.
7679 * configure.ac (gcc_cv_libc_provides_hwcap_in_tcb): New test.
7680 * configure: Regenerate.
7681 * config.in: Likewise.
7682 * doc/extend.texi (PowerPC Built-in Functions): Document
7683 __builtin_cpu_init, __builtin_cpu_is and __builtin_cpu_supports.
7685 2016-01-20 David Edelsohn <dje.gcc@gmail.com>
7688 * config/rs6000/rs6000.c (rs6000_emit_swsqrt): Add vector sqrt
7690 * config/rs6000/vector.md (sqrt<mode>2): Call rs6000_emit_swsqrt
7693 2016-01-20 Richard Henderson <rth@redhat.com>
7699 * tree.c (tm_define_builtin): New.
7700 (find_tm_vector_type): New.
7701 (build_tm_vector_builtins): New.
7702 (build_common_builtin_nodes): Call it.
7704 2016-01-20 Christophe Lyon <christophe.lyon@linaro.org>
7706 * doc/sourcebuild.texi (arm_crypto_pragma_ok): Document new entry.
7707 (arm_fp_ok): Likewise.
7709 (arm_crypto): Likewise.
7711 2016-01-20 Ilya Enkovich <enkovich.gnu@gmail.com>
7712 Richard Biener <rguenther@suse.de>
7714 PR tree-optimization/69328
7715 * tree-vect-stmts.c (vect_is_simple_cond): Check compared
7716 vectors have same number of elements.
7717 (vectorizable_condition): Fix masked version recognition.
7719 2016-01-20 Richard Biener <rguenther@suse.de>
7721 PR tree-optimization/69345
7722 * tree-ssa-sccvn.h (VN_INFO_RANGE_INFO): New inline function.
7723 (VN_INFO_PTR_INFO): Likewise.
7724 * tree-ssa-sccvn.c (set_ssa_val_to): Avoid clearing points-to
7725 info when it is equal between non-dominating SSA names.
7726 * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
7727 Make sure to look at original SSA infos.
7729 2016-01-20 Jeff Law <law@redhat.com>
7732 * config/m68k/predicates.md (pow2_m1_operand): New predicate
7734 (reg_or_pow2_m1_operand): Call pow2_m1_operand.
7735 (pc_or_label_operand): New predicate.
7736 * config/m68k/m68k.md: Add new peephole2 patterns for GTU/LEU
7737 tests for small integers that are 2^n - 1.
7739 2016-01-20 Jonathan Wakely <jwakely@redhat.com>
7741 * doc/invoke.texi (Options Summary): Add '.' after @xref.
7743 2016-01-19 Jeff Law <law@redhat.com>
7746 * tree-ssa-threadbackwards.c
7747 (fsm_find_control_statement_thread_paths): Do not try to lookup
7748 FSM paths for SSA_NAMEs appearing in abnormal PHIs.
7750 2016-01-20 Kugan Vivekanandarajah <kuganv@linaro.org>
7752 * doc/lto.texi: Remove text that says only Gold has linker plugin
7755 2016-01-19 Eric Botcazou <ebotcazou@adacore.com>
7757 * dwarf2out.c (need_endianity_attribute_p): New inline predicate.
7758 (base_type_die): Add REVERSE parameter and attach DW_AT_endianity to
7759 the DIE accordingly.
7760 (modified_type_die): Add REVERSE parameter and pass it recursively,
7761 as well as to base_type_die. Adjust presence check accordingly.
7762 (base_type_for_mode): Adjust call to modified_type_die.
7763 (add_type_attribute): Add REVERSE parameter and pass it to
7765 (generic_parameter_die): Adjust call to add_type_attribute.
7766 (add_scalar_info): Likewise.
7767 (add_subscript_info): Likewise.
7768 (gen_array_type_die): Likewise.
7769 (gen_descr_array_type_die): Likewise.
7770 (gen_entry_point_die): Likewise.
7771 (gen_enumeration_type_die): Likewise.
7772 (gen_formal_parameter_die): Likewise.
7773 (gen_subprogram_die): Likewise.
7774 (gen_variable_die ): Likewise.
7775 (gen_const_die): Likewise.
7776 (gen_field_die): Likewise.
7777 (gen_pointer_type_die): Likewise.
7778 (gen_reference_type_die): Likewise.
7779 (gen_ptr_to_mbr_type_die): Likewise.
7780 (gen_inheritance_die): Likewise.
7781 (gen_subroutine_type_die): Likewise.
7782 (gen_typedef_die): Likewise.
7783 (force_type_die): Adjust call to modified_type_die.
7785 2016-01-19 Sandra Loosemore <sandra@codesourcery.com>
7787 * doc/standards.texi: Copy-editing for grammar, markup, and sentence
7788 flow throughout the file. Fix broken link to Objective-C 2.0
7790 * doc/invoke.texi: More copy-editing; fix numerous typos and spelling
7793 2016-01-19 Wilco Dijkstra <wdijkstr@arm.com>
7795 * ccmp.c (expand_ccmp_expr_1): Avoid spurious unused warnings.
7797 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
7800 * ipa-devirt.c (is_cxa_pure_virtual_p): New function.
7801 (maybe_record_node): Record cxa_pure_virtual as the only possible
7802 target if there are not ohter candidates.
7803 (possible_polymorphic_call_target_p): Accept cxa_pure_virtual.
7805 2016-01-19 Richard Biener <rguenther@suse.de>
7807 * hsa-gen.c (get_memory_order_name): Use MEMMODEL_ constants.
7808 (get_memory_order): Likewise.
7810 2016-01-19 Kirill Yukhin <kirill.yukhin@intel.com>
7812 * tree-vect-stmts.c (vectorizable_store): Check
7815 2016-01-19 David Malcolm <dmalcolm@redhat.com>
7818 * gcc.c (driver::decode_argv): Add call to
7819 init_opts_obstack before init_options_struct.
7820 * opts.c (init_opts_obstack): Remove idempotency.
7821 (init_options_struct): Replace call to init_opts_obstack
7822 with a gcc_assert to verify that it has already been called.
7823 * toplev.c (toplev::main): Add call to init_opts_obstack before
7824 calls to init_options_struct.
7825 (toplev::finalize): Move cleanup of opts_obstack next to
7826 cleanup of save_decoded_options, clearing the latter, and
7827 save_decoded_options_count.
7829 2016-01-19 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
7832 * config/arm/vfp.md (l<vrint_pattern><su_optab><mode>si2): Set "conds"
7833 attribute to unconditional. Remove %? from output template.
7835 2015-01-19 Wilco Dijkstra <wdijkstr@arm.com>
7836 Jiong Wang <jiong.wang@arm.com>
7838 * ccmp.c (expand_ccmp_expr_1): Cost the instruction sequences
7839 generated from different expand order.
7841 2015-01-19 Wilco Dijkstra <wdijkstr@arm.com>
7843 * /config/aarch64/aarch64.c (aarch64_if_then_else_costs):
7844 Add support for CCMP costing.
7846 2015-01-19 Wilco Dijkstra <wdijkstr@arm.com>
7848 * ccmp.c (ccmp_candidate_p): Remove integer-only restriction.
7849 * config/aarch64/aarch64.md (fccmp<mode>): New pattern.
7850 (fccmpe<mode>): Likewise.
7851 (fcmp): Rename to fcmp and globalize pattern.
7853 * config/aarch64/aarch64.c (aarch64_gen_ccmp_first): Add FP support.
7854 (aarch64_gen_ccmp_next): Add FP support.
7856 2015-01-19 Wilco Dijkstra <wdijkstr@arm.com>
7858 * target.def (gen_ccmp_first): Update documentation.
7859 (gen_ccmp_next): Likewise.
7860 * doc/tm.texi (gen_ccmp_first): Update documentation.
7861 (gen_ccmp_next): Likewise.
7862 * ccmp.c (expand_ccmp_expr): Extract cmp_code from return value of
7863 expand_ccmp_expr_1. Improve comments.
7864 * config/aarch64/aarch64.md (ccmp_and): Use if_then_else for ccmp.
7865 (ccmp_ior<mode>): Remove pattern.
7866 (cmp<mode>): Remove expand.
7867 (cmp): Globalize pattern.
7868 (cstorecc4): Use cc_register.
7869 (mov<mode>cc): Remove ccmp_cc_register check.
7870 * config/aarch64/aarch64.c (aarch64_get_condition_code_1):
7871 Simplify after removal of CC_DNE/* modes.
7872 (aarch64_ccmp_mode_to_code): Remove.
7873 (aarch64_print_operand): Remove 'K' case. Merge 'm' and 'M' cases.
7874 In 'k' case use integer as condition.
7875 (aarch64_nzcv_codes): Remove inverted cases.
7876 (aarch64_code_to_ccmode): Remove.
7877 (aarch64_gen_ccmp_first): Use cmp pattern directly. Return the correct
7878 comparison with CC register to be used in folowing CCMP/branch/CSEL.
7879 (aarch64_gen_ccmp_next): Use previous comparison and mode in CCMP
7880 pattern. Return the comparison with CC register. Invert conditions
7882 * config/aarch64/aarch64-modes.def: Remove CC_DNE/* modes.
7883 * config/aarch64/predicates.md (ccmp_cc_register): Remove.
7885 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
7887 * cgraphunit.c (cgraph_node::reset): Clear thunk info and
7888 instrumented_version.
7890 2016-01-19 Richard Biener <rguenther@suse.de>
7892 PR tree-optimization/69336
7893 * tree-ssa-scopedtables.c (avail_expr_hash): Handle all
7894 handled components with get_ref_base_and_extent.
7895 (equal_mem_array_ref_p): Adjust.
7897 2016-01-19 Jakub Jelinek <jakub@redhat.com>
7900 * shrink-wrap.c: Include valtrack.h.
7901 (move_insn_for_shrink_wrap): Add DEBUG argument. If
7902 MAY_HAVE_DEBUG_INSNS, call dead_debug_add on DEBUG_INSNs
7903 in between insn and where it will be moved to. Call
7904 dead_debug_insert_temp.
7905 (prepare_shrink_wrap): Adjust caller. Call dead_debug_local_init
7906 first and dead_debug_local_finish at the end.
7907 For uses and defs bitmap, handle all regs in between REGNO and
7908 END_REGNO, not just the first one.
7910 2016-01-19 Richard Biener <rguenther@suse.de>
7912 PR tree-optimization/69352
7913 * tree-ssa-scopedtables.c (avail_expr_hash): Check for size == -1.
7914 (equal_mem_array_ref_p): Constrain size and max size properly.
7915 Compare the reverse flag.
7917 2016-01-19 Bernd Schmidt <bschmidt@redhat.com>
7919 * ira.c (ira): Update regstat data if we deleted insns.
7921 2016-01-19 Jakub Jelinek <jakub@redhat.com>
7923 PR rtl-optimization/68955
7924 PR rtl-optimization/64557
7925 * dse.c (record_store, check_mem_read_rtx): Don't call get_addr
7926 here. Fix up formatting.
7927 * alias.c (get_addr): Handle VALUE +/- CONST_SCALAR_INT_P.
7929 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
7932 * cgraphunit.c (cgraph_node::expand_thunk): When forcing gimple
7933 assume that the node has body.
7934 * cgraph.c (cgraph_node::get_untransformed_body): Use gimple_body_p
7937 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
7939 * lto-streamer-out.c (lto_output): Do not stream instrumentation
7942 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
7944 * symtab.c (symtab_node::asm_name): Do not call printable name directly.
7945 (symtab_node::name): Report name as unnamed if DECL_NAME is not set.
7947 2016-01-19 Martin Jambor <mjambor@suse.cz>
7948 Martin Liska <mliska@suse.cz>
7949 Michael Matz <matz@suse.de>
7951 * Makefile.in (OBJS): Add new source files.
7952 (GTFILES): Add hsa.c.
7953 * common.opt (disable_hsa): New variable.
7954 (-Whsa): New warning.
7955 * config.in (ENABLE_HSA): New.
7956 * configure.ac: Treat hsa differently from other accelerators.
7957 (OFFLOAD_TARGETS): Define ENABLE_OFFLOADING according to
7959 (ENABLE_HSA): Define ENABLE_HSA according to $enable_hsa.
7960 * doc/install.texi (Configuration): Document --with-hsa-runtime,
7961 --with-hsa-runtime-include, --with-hsa-runtime-lib and
7963 * doc/invoke.texi (-Whsa): Document.
7964 (hsa-gen-debug-stores): Likewise.
7965 * lto-wrapper.c (compile_images_for_offload_targets): Do not attempt
7966 to invoke offload compiler for hsa acclerator.
7967 * opts.c (common_handle_option): Determine whether HSA offloading
7968 should be performed.
7969 * params.def (PARAM_HSA_GEN_DEBUG_STORES): New parameter.
7970 * builtin-types.def (BT_FN_VOID_UINT_PTR_INT_PTR): New.
7971 (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_INT_INT): Removed.
7972 (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_PTR): New.
7973 * gimple-low.c (lower_stmt): Also handle GIMPLE_OMP_GRID_BODY.
7974 * gimple-pretty-print.c (dump_gimple_omp_for): Also handle
7975 GF_OMP_FOR_KIND_GRID_LOOP.
7976 (dump_gimple_omp_block): Also handle GIMPLE_OMP_GRID_BODY.
7977 (pp_gimple_stmt_1): Likewise.
7978 * gimple-walk.c (walk_gimple_stmt): Likewise.
7979 * gimple.c (gimple_build_omp_grid_body): New function.
7980 (gimple_copy): Also handle GIMPLE_OMP_GRID_BODY.
7981 * gimple.def (GIMPLE_OMP_GRID_BODY): New.
7982 * gimple.h (enum gf_mask): Added GF_OMP_PARALLEL_GRID_PHONY,
7983 GF_OMP_FOR_KIND_GRID_LOOP, GF_OMP_FOR_GRID_PHONY and
7984 GF_OMP_TEAMS_GRID_PHONY.
7985 (gimple_statement_omp_single_layout): Updated comments.
7986 (gimple_build_omp_grid_body): New function.
7987 (gimple_has_substatements): Also handle GIMPLE_OMP_GRID_BODY.
7988 (gimple_omp_for_grid_phony): New function.
7989 (gimple_omp_for_set_grid_phony): Likewise.
7990 (gimple_omp_parallel_grid_phony): Likewise.
7991 (gimple_omp_parallel_set_grid_phony): Likewise.
7992 (gimple_omp_teams_grid_phony): Likewise.
7993 (gimple_omp_teams_set_grid_phony): Likewise.
7994 (gimple_return_set_retbnd): Also handle GIMPLE_OMP_GRID_BODY.
7995 * omp-builtins.def (BUILT_IN_GOMP_OFFLOAD_REGISTER): New.
7996 (BUILT_IN_GOMP_OFFLOAD_UNREGISTER): Likewise.
7997 (BUILT_IN_GOMP_TARGET): Updated type.
7998 * omp-low.c: Include symbol-summary.h, hsa.h and params.h.
7999 (adjust_for_condition): New function.
8000 (get_omp_for_step_from_incr): Likewise.
8001 (extract_omp_for_data): Moved parts to adjust_for_condition and
8002 get_omp_for_step_from_incr.
8003 (build_outer_var_ref): Handle GIMPLE_OMP_GRID_BODY.
8004 (fixup_child_record_type): Bail out if receiver_decl is NULL.
8005 (scan_sharing_clauses): Handle OMP_CLAUSE__GRIDDIM_.
8006 (scan_omp_parallel): Do not create child functions for phony
8008 (check_omp_nesting_restrictions): Handle GIMPLE_OMP_GRID_BODY.
8009 (scan_omp_1_op): Checking assert we are not remapping to
8010 ERROR_MARK. Also also handle GIMPLE_OMP_GRID_BODY.
8011 (parallel_needs_hsa_kernel_p): New function.
8012 (expand_parallel_call): Register apprpriate parallel child
8013 functions as HSA kernels.
8014 (grid_launch_attributes_trees): New type.
8015 (grid_attr_trees): New variable.
8016 (grid_create_kernel_launch_attr_types): New function.
8017 (grid_insert_store_range_dim): Likewise.
8018 (grid_get_kernel_launch_attributes): Likewise.
8019 (get_target_argument_identifier_1): Likewise.
8020 (get_target_argument_identifier): Likewise.
8021 (get_target_argument_value): Likewise.
8022 (push_target_argument_according_to_value): Likewise.
8023 (get_target_arguments): Likewise.
8024 (expand_omp_target): Call get_target_arguments instead of looking
8025 up for teams and thread limit.
8026 (grid_expand_omp_for_loop): New function.
8027 (grid_arg_decl_map): New type.
8028 (grid_remap_kernel_arg_accesses): New function.
8029 (grid_expand_target_kernel_body): New function.
8030 (expand_omp): Call it.
8031 (lower_omp_for): Do not emit phony constructs.
8032 (lower_omp_taskreg): Do not emit phony constructs but create for them
8033 a temporary variable receiver_decl.
8034 (lower_omp_taskreg): Do not emit phony constructs.
8035 (lower_omp_teams): Likewise.
8036 (lower_omp_grid_body): New function.
8037 (lower_omp_1): Call it.
8038 (grid_reg_assignment_to_local_var_p): New function.
8039 (grid_seq_only_contains_local_assignments): Likewise.
8040 (grid_find_single_omp_among_assignments_1): Likewise.
8041 (grid_find_single_omp_among_assignments): Likewise.
8042 (grid_find_ungridifiable_statement): Likewise.
8043 (grid_target_follows_gridifiable_pattern): Likewise.
8044 (grid_remap_prebody_decls): Likewise.
8045 (grid_copy_leading_local_assignments): Likewise.
8046 (grid_process_kernel_body_copy): Likewise.
8047 (grid_attempt_target_gridification): Likewise.
8048 (grid_gridify_all_targets_stmt): Likewise.
8049 (grid_gridify_all_targets): Likewise.
8050 (execute_lower_omp): Call grid_gridify_all_targets.
8051 (make_gimple_omp_edges): Handle GIMPLE_OMP_GRID_BODY.
8052 * tree-core.h (omp_clause_code): Added OMP_CLAUSE__GRIDDIM_.
8053 (tree_omp_clause): Added union field dimension.
8054 * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE__GRIDDIM_.
8055 * tree.c (omp_clause_num_ops): Added number of arguments of
8056 OMP_CLAUSE__GRIDDIM_.
8057 (omp_clause_code_name): Added name of OMP_CLAUSE__GRIDDIM_.
8058 (walk_tree_1): Handle OMP_CLAUSE__GRIDDIM_.
8059 * tree.h (OMP_CLAUSE_GRIDDIM_DIMENSION): New.
8060 (OMP_CLAUSE_SET_GRIDDIM_DIMENSION): Likewise.
8061 (OMP_CLAUSE_GRIDDIM_SIZE): Likewise.
8062 (OMP_CLAUSE_GRIDDIM_GROUP): Likewise.
8063 * passes.def: Schedule pass_ipa_hsa and pass_gen_hsail.
8064 * tree-pass.h (make_pass_gen_hsail): Declare.
8065 (make_pass_ipa_hsa): Likewise.
8066 * ipa-hsa.c: New file.
8067 * lto-section-in.c (lto_section_name): Add hsa section name.
8068 * lto-streamer.h (lto_section_type): Add hsa section.
8069 * timevar.def (TV_IPA_HSA): New.
8070 * hsa-brig-format.h: New file.
8071 * hsa-brig.c: New file.
8072 * hsa-dump.c: Likewise.
8073 * hsa-gen.c: Likewise.
8076 * toplev.c (compile_file): Call hsa_output_brig.
8077 * hsa-regalloc.c: New file.
8079 2016-01-18 Jeff Law <law@redhat.com>
8081 PR tree-optimization/69320
8082 * tree-ssa-dom.c (record_edge_info): For comparisons against a boolean
8083 ranged object, do nothing if the RHS constant is not [0..1].
8084 (optimize_stmt): Comparing a boolean ranged object against a
8085 constant outside [0..1] results in a compile-time constant.
8087 * tree-ssanames.c (ssa_name_has_boolean_range): Remove unnecessary
8090 2016-01-18 Sandra Loosemore <sandra@codesourcery.com>
8092 * doc/invoke.texi (Invoking GCC): Add new section to menu.
8093 (Option Summary): Update to reflect new section and moved options.
8094 (C++ Dialect Options): Move -fstats to new section.
8095 (Debugging Options): Move all dump, statistics, and other GCC
8096 developer options to new section. Rewrite section introduction
8097 and re-order remaining options to put the more basic ones first.
8098 (Optimization Options): Move -fira-verbose and -flto-report* to
8100 (Developer Options): New section incorporating moved options.
8101 * doc/cppopts.texi (-dM): Update cross-reference.
8103 2016-01-18 Richard Henderson <rth@redhat.com>
8106 * config/aarch64/aarch64.md (add<GPI>3): Move long immediate
8107 operands to pseudo only if CSE is expected. Split long immediate
8108 operands only after reload, and for the stack pointer.
8109 (*add<GPI>3_pluslong): Remove.
8110 (*addsi3_aarch64, *adddi3_aarch64): Merge into...
8111 (*add<GPI>3_aarch64): ... here. Add r/rk/Upl alternative.
8112 (*addsi3_aarch64_uxtw): Add r/rk/Upl alternative.
8113 (*add<GPI>3 peepholes): New.
8114 (*add<GPI>3 splitters): New.
8115 * config/aarch64/constraints.md (Upl): New.
8116 * config/aarch64/predicates.md (aarch64_pluslong_strict_immedate): New.
8118 2016-01-18 Richard Biener <rguenther@suse.de>
8120 PR tree-optimization/69297
8121 * tree-vect-slp.c (vect_bb_slp_scalar_cost): Count each scalar
8123 (vect_bb_vectorization_profitable_p): Clear visited flag again.
8125 2016-01-18 Yuri Rumyantsev <ysrumyan@gmail.com>
8128 * fold-const.c (fold_binary_op_with_conditional_arg): Bail out for case
8129 of mixind vector and scalar types.
8130 (fold_relational_const): Add handling of vector
8131 comparison with boolean result.
8132 * tree-cfg.c (verify_gimple_comparison): Add argument CODE, allow
8133 comparison of vector operands with boolean result for EQ/NE only.
8134 (verify_gimple_assign_binary): Adjust call for verify_gimple_comparison.
8135 (verify_gimple_cond): Likewise.
8136 * tree-vrp.c (extract_code_and_val_from_cond_with_ops): Modify check on
8139 2016-01-18 Joseph Myers <joseph@codesourcery.com>
8141 * config/mips/mips.h (ISA_HAS_PAIRED_SINGLE): Require
8144 2016-01-18 Richard Biener <rguenther@suse.de>
8147 * gimple.c (gimple_could_trap_p_1): Handle GIMPLE_COND.
8149 2016-01-18 Tom de Vries <tom@codesourcery.com>
8151 * passes.def: Add pass_parallelize_loops to pass_oacc_kernels.
8153 2016-01-18 Tom de Vries <tom@codesourcery.com>
8155 * omp-low.c (set_oacc_fn_attrib): Make extern.
8156 * omp-low.h (set_oacc_fn_attrib): Declare.
8157 * tree-parloops.c (struct reduction_info): Add reduc_addr field.
8158 (create_call_for_reduction_1): Handle case that reduc_addr is non-NULL.
8159 (create_parallel_loop, gen_parallel_loop, try_create_reduction_list):
8160 Add and handle function parameter oacc_kernels_p.
8161 (find_reduc_addr, get_omp_data_i_param): New function.
8162 (ref_conflicts_with_region, oacc_entry_exit_ok_1)
8163 (oacc_entry_exit_single_gang, oacc_entry_exit_ok): New function.
8164 (parallelize_loops): Add and handle function parameter oacc_kernels_p.
8165 Calculate dominance info. Skip loops that are not in a kernels region
8166 in oacc_kernels_p mode. Skip inner loops of parallelized loops.
8167 (pass_parallelize_loops::execute): Call parallelize_loops with
8168 oacc_kernels_p argument.
8169 (pass_parallelize_loops::clone, pass_parallelize_loops::set_pass_param):
8170 New member function.
8171 (pass_parallelize_loops::bool oacc_kernels_p): New member var.
8172 * passes.def: Add argument to pass_parallelize_loops instantation.
8174 2016-01-18 Tom de Vries <tom@codesourcery.com>
8176 * tree-parloops.c (pass_parallelize_loops::execute): Allow
8177 pass_parallelize_loops to be run outside the loop pipeline.
8179 2016-01-18 Alan Lawrence <alan.lawrence@arm.com>
8181 * tree-scalar-evolution.c (follow_copies_to_constant): New.
8182 (analyze_initial_condition, analyze_scalar_evolution_1): Call previous.
8184 2016-01-18 Alan Lawrence <alan.lawrence@arm.com>
8187 * tree-ssa-scopedtables.c (avail_expr_hash): Hash MEM_REF and ARRAY_REF
8188 using get_ref_base_and_extent.
8189 (equal_mem_array_ref_p): New.
8190 (hashable_expr_equal_p): Add call to previous.
8192 2016-01-18 Alan Lawrence <alan.lawrence@arm.com>
8195 * tree-sra.c (disqualified_constants, constant_decl_p): New.
8196 (sra_initialize): Allocate disqualified_constants.
8197 (sra_deinitialize): Free disqualified_constants.
8198 (disqualify_candidate): Update disqualified_constants when appropriate.
8199 (create_access): Scan for constant-pool entries as we go along.
8200 (scalarizable_type_p): Add check against type_contains_placeholder_p.
8201 (maybe_add_sra_candidate): Allow constant-pool entries.
8202 (load_assign_lhs_subreplacements): Bind debug for constant pool vars.
8203 (initialize_constant_pool_replacements): New.
8204 (sra_modify_assign): Avoid mangling assignments created by previous,
8205 and don't generate writes into constant pool.
8206 (sra_modify_function_body): Call initialize_constant_pool_replacements.
8208 2016-01-18 Ilya Enkovich <enkovich.gnu@gmail.com>
8210 * config/i386/i386.c (scalar_to_vector_candidate_p): Support
8212 (scalar_chain::convert_op): Likewise.
8213 * config/i386/i386.md (*andndi3_doubleword): New.
8215 2016-01-18 Richard Biener <rguenther@suse.de>
8217 PR tree-optimization/69170
8218 * tree-vect-slp.c (vect_build_slp_tree): Verify we are not
8219 building a vector from scalar results of a pattern stmt.
8221 2016-01-18 Jakub Jelinek <jakub@redhat.com>
8223 * haifa-sched.c (autopref_multipass_init): Work around
8224 -Wmaybe-uninitialized warning.
8226 2016-01-18 Thomas Preud'homme <thomas.preudhomme@arm.com>
8228 * config/arm/arm.c (thumb1_reorg): Check that the comparison is
8229 against the constant 0.
8231 2016-01-17 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
8233 PR tree-optimization/68799
8234 * gimple-ssa-strength-reduction.c (create_phi_basis): Directly
8235 look up phi candidates in the statement-candidate map.
8236 (phi_add_costs): Likewise.
8237 (record_phi_increments): Likewise.
8238 (phi_incr_cost): Likewise.
8239 (ncd_with_phi): Likewise.
8240 (all_phi_incrs_profitable): Likewise.
8242 2016-01-17 Jakub Jelinek <jakub@redhat.com>
8244 * omp-low.c (mark_loops_in_oacc_kernels_region): Work around
8245 -Wmaybe-uninitialized warning.
8247 2016-01-16 Sandra Loosemore <sandra@codesourcery.com>
8249 * doc/invoke.texi (Invoking GCC): Add new section to menu.
8250 (Option Summary): Update to reflect new section and moved options.
8251 (C++ Dialect Options): Move -fvtable-verify and related options.
8252 (Debugging Options): Move Sanitizer, Pointer Bounds Checker,
8253 and profiling-related options.
8254 (Optimization Options): Move profile generation options and
8255 -fstack-protector and related options.
8256 (Instrumentation Options): New section incorporating moved options.
8257 (Code Generation Options): Move -finstrument-functions and
8258 related options, -fstack-check, -fstack-limit*, and -fbounds-check.
8260 2016-01-16 Tom de Vries <tom@codesourcery.com>
8262 * passes.def: Move pass_expand_omp_ssa out of pass_parallelize_loops.
8264 2016-01-16 Tom de Vries <tom@codesourcery.com>
8266 * omp-low.c (expand_omp_atomic_fetch_op): Release defs of update stmt.
8268 2016-01-16 Richard Sandiford <richard.sandiford@arm.com>
8270 * hash-table.h (hash_table::empty): Turn into an inline wrapper
8271 that checks whether the table is already empty. Rename the
8272 original implementation to...
8273 (hash_table::empty_slot): ...this new private function.
8275 2016-01-15 David Malcolm <dmalcolm@redhat.com>
8278 * diagnostic-show-locus.c (layout::print_source_line): Move x
8279 offset of line until after call to
8280 get_line_width_without_trailing_whitespace.
8282 2016-01-15 Jeff Law <law@redhat.com>
8284 PR tree-optimization/69270
8285 * tree-ssanames.c (ssa_name_has_boolean_range): Moved here from
8286 tree-ssa-dom.c. Improve test for [0..1] ranve from VRP.
8287 * tree-ssa-dom.c (ssa_name_has_boolean_range): Remove.
8288 * tree-ssanames.h (ssa_name_has_boolean_range): Prototype.
8289 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
8290 ssa_name_has_boolean_range and constant_boolean_node.
8292 2016-01-15 Vladimir Makarov <vmakarov@redhat.com>
8294 PR rtl-optimization/69030
8295 * lra-spills.c (remove_pseudos): Check nrefs and make the function
8297 (spill_pseudos): Delete debug insn for dead pseudo.
8298 (lra_spill): Initiate spill_hard_reg and slots memory separately.
8300 2016-01-15 Jiong Wang <jiong.wang@arm.com>
8302 * config/aarch64/aarch64-builtins.c (aarch64_types_unopus_qualifiers):
8304 (TYPES_UNOPUS): Likewise.
8305 * config/aarch64/aarch64-simd-builtins.def (lbtruncuv2sf): Correct
8306 builtin type, from UNOP to UNOPUS.
8307 (lbtruncuv4sf): Likewise.
8308 (lbtruncuv2df): Likewise.
8309 (lrounduv2sf): Likewise.
8310 (lrounduv4sf): Likewise.
8311 (lrounduv2df): Likewise.
8312 (lroundusf): Likewise.
8313 (lroundusf): Likewise.
8314 (lceiluv2sf): Likewise.
8315 (lceiluv4sf): Likewise.
8316 (lceiluv2df): Likewise.
8317 (lceilusf): Likewise.
8318 (lceiludf): Likewise.
8319 (lflooruv2sf): Likewise.
8320 (lflooruv4sf): Likewise.
8321 (lflooruv2df): Likewise.
8322 (lfloorusf): Likewise.
8323 (lfloorudf): Likewise.
8324 (lfrintnuv2sf): Likewise.
8325 (lfrintnuv4sf): Likewise.
8326 (lfrintnuv2df): Likewise.
8327 (lfrintnusf): Likewise.
8328 (lfrintnudf): Likewise.
8329 * config/aarch64/arm_neon.h (vcvt_u32_f32): Remove unncessary type
8331 (vcvtq_u32_f32): Likewise.
8332 (vcvtq_u64_f64): Likewise.
8333 (vcvta_u32_f32): Likewise.
8334 (vcvtaq_u32_f32): Likewise.
8335 (vcvtaq_u64_f64): Likewise.
8336 (vcvtm_u32_f32): Likewise.
8337 (vcvtmq_u32_f32): Likewise.
8338 (vcvtmq_u64_f64): Likewise.
8339 (vcvtn_u32_f32): Likwise.
8340 (vcvtnq_u32_f32): Likewise.
8341 (vcvtnq_u64_f64): Likewise.
8342 (vcvtp_u32_f32): Likewise.
8343 (vcvtpq_u32_f32): Likewise.
8344 (vcvtpq_u64_f64): Likewise.
8345 (vcvtmd_u64_f64): Likewise.
8346 (vcvtms_u32_f32): Likewise.
8347 (vcvtad_u64_f64): Likewise.
8348 (vcvtas_u32_f32): Likewise.
8349 (vcvtnd_u64_f64): Likewise.
8350 (vcvtns_u32_f32): Likewise.
8351 (vcvtpd_u64_f64): Likewise.
8352 (vcvtps_u32_f32): Likewise.
8354 2016-01-15 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
8356 * config/aarch64/aarch64.c (aarch64_if_then_else_costs): Handle
8357 CSEL of zero_extended registers.
8359 2016-01-15 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
8361 * config/aarch64/aarch64.c (aarch64_rtx_costs, COMPARE case):
8362 Handle COMPARE of ZERO_EXTRACT against zero form of TST-immediate.
8364 2016-01-15 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
8366 * config/aarch64/aarch64.c (aarch64_process_one_target_attr): Return
8367 false when argument string is not found in the attributes table
8370 2016-01-15 David Edelsohn <dje.gcc@gmail.com>
8373 * config/rs6000/rs6000.c (rs6000_emit_msub): Delete.
8374 (rs6000_emit_swsqrt): Convert to Goldschmidt's Algorithm
8375 * config/rs6000/rs6000.md (sqrt<mode>2): Limit swsqrt to high
8378 2016-01-15 Richard Biener <rguenther@suse.de>
8380 PR tree-optimization/66856
8381 * tree-vect-loop.c (vect_transform_loop): Free SLP instances here.
8382 * tree-vect-slp.c (vect_free_slp_tree): Decrement stmt reference count.
8383 (vect_create_new_slp_node): Increment stmt reference count.
8384 (vect_get_and_check_slp_defs): Make sure stmts are nor already in
8385 an SLP tree before swapping operands.
8386 (vect_build_slp_tree): Likewise.
8387 (destroy_bb_vec_info): Free stmt info after SLP instances.
8388 * tree-vect-stmts.c (new_stmt_vec_info): Initialize reference count.
8389 * tree-vectorizer.h (struct _stmt_vec_info): Add num_slp_uses field.
8390 (STMT_VINFO_NUM_SLP_USES): New macro.
8392 2016-01-15 Richard Biener <rguenther@suse.de>
8395 * dwarf2out.c (add_linkage_name_raw): New function split out from ...
8396 (add_linkage_name): ... here.
8397 (gen_typedef_die): Use add_linkage_name_raw instead of
8398 add_linkage_attr to delay DECL_ASSEMBLER_NAME computation
8401 2016-01-15 Cesar Philippidis <cesar@codesourcery.com>
8403 * gimplify.c (oacc_default_clause): Decode reference and pointer
8404 types for both kernels and parallel regions.
8406 2016-01-15 Richard Sandiford <richard.sandiford@arm.com>
8409 * calls.c (emit_call_1): Force n_popped to zero for sibcalls.
8411 2016-01-15 Ilya Enkovich <enkovich.gnu@gmail.com>
8413 * config/i386/i386.c (scalar_chain::compute_convert_gain): Fix typo.
8414 (convert_scalars_to_vector): Likewise.
8416 2016-01-15 Jonathan Wakely <jwakely@redhat.com>
8418 * doc/extend.texi (Type Traits): Fix grammar.
8420 2016-01-15 Martin Jambor <mjambor@suse.cz>
8422 * tree-inline.c (remap_decl): Use existing dclarations if
8423 remapping a type and prevent_decl_creation_for_types.
8424 (replace_locals_stmt): Do an initial remapping of non-VLA typed
8425 decls first. Do real remapping with
8426 prevent_decl_creation_for_types set.
8427 * tree-inline.h (copy_body_data): New field
8428 prevent_decl_creation_for_types, moved remap_var_for_cilk to avoid
8431 2016-01-15 Dominik Vogt <vogt@linux.vnet.ibm.com>
8433 * config/s390/s390.opt (mmvcle): More verbose help text.
8435 2016-01-15 Dominik Vogt <vogt@linux.vnet.ibm.com>
8437 * config/s390/s390.opt: Add period to -mzvector option text.
8439 2016-01-15 Richard Biener <rguenther@suse.de>
8441 PR tree-optimization/68961
8442 * tree-vect-slp.c (vect_analyze_slp_cost_1): Consider cost
8443 of invariants in stores again.
8445 2016-01-15 Sebastian Huber <sebastian.huber@embedded-brains.de>
8447 * config/arm/t-rtems: Add cortex-m7/fpv5-d16 multilib.
8449 2016-01-15 Ilya Enkovich <enkovich.gnu@gmail.com>
8451 * config/i386/i386.c (ix86_expand_branch): Don't split
8452 DI mode xor instruction to SI mode.
8454 2016-01-15 Jan Hubicka <hubicka@ucw.cz>
8457 * ipa-icf.c (sem_function::merge): Virtual functions may become
8458 reachable even if they address is not taken and there are no
8461 2016-01-15 Jan Hubicka <hubicka@ucw.cz>
8463 * lto-streamer-out.c (subtract_estimated_size): New function.
8464 (get_symbol_initial_value): Use it.
8466 2016-01-15 Christian Bruel <christian.bruel@st.com>
8469 * config/arm/arm-builtins.c (ARM_BUILTIN_CRYPTO_BASE): New enum tag.
8470 (arm_init_neon_builtins_internal): Rename arm_init_neon_builtins,
8471 (arm_init_crypto_builtins_internal): Rename arm_init_crypto_builtins.
8472 use add_builtin_function_ext_scope instead of add_builtin_function.
8473 (neon_set_p, neon_crypto_set_p): Remove.
8474 (arm_init_builtins): Always call arm_init_neon_builtins and
8475 arm_init_crypto_builtins.
8476 (arm_expand_builtin): Check that builtins are allowed for the arch.
8477 * config/arm/arm-protos.h (arm_init_neon_builtins): Remove prototype.
8478 * config/arm/arm.c (arm_valid_target_attribute_tree): Remove
8479 arm_init_neon_builtins call.
8481 2016-01-15 Richard Biener <rguenther@suse.de>
8483 PR tree-optimization/69117
8484 * tree-ssa-sccvn.h (struct vn_ssa_aux): Add info member.
8485 * tree-ssa-sccvn.c (set_ssa_val_to): Save and adjust SSA name info
8486 of the leader conservatively.
8487 (free_scc_vn): Restore original SSA name infos.
8489 2016-01-14 Jeff Law <law@redhat.com>
8491 PR tree-optimization/69270
8492 * tree-ssa-dom.c (ssa_name_has_boolean_range): If the type has a
8493 single bit of precision, verify it's also unsigned.
8494 (record_edge_info): Use constant_boolean_node rather than fold_convert
8495 to convert boolean_true/boolean_false to the right type.
8497 2016-01-14 Richard Henderson <rth@redhat.com>
8500 * loop-doloop.c (record_reg_sets): New.
8501 (doloop_optimize): Reject the transform if the sequence
8502 clobbers registers live at the end of the loop block.
8503 (doloop_optimize_loops): Enable df_live if needed.
8505 2016-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
8507 * config/rs6000/rs6000-builtin.def: Revert 2016-01-13 change.
8508 * gcc/config/rs6000/rs6000.c: Likewise.
8509 * gcc/config/rs6000/rs6000.h: Likewise.
8510 * gcc/config/rs6000/rs6000.md: Likewise.
8511 * gcc/doc/extend.texi: Likewsie.
8513 2016-01-14 Jeff Law <law@redhat.com>
8515 * tree-ssa-dom.c (ssa_name_has_boolean_range): Fix comment
8518 2016-01-14 Richard Henderson <rth@redhat.com>
8522 * trans-mem.c (tm_log_emit_stmt): Fix unit size to bit size.
8523 * tree.c (build_tm_vector_builtins): Use builtin_decl_explicit_p
8524 instead of builtin_decl_declared_p to test for declaration.
8526 2016-01-14 Nicklas Bo Jensen <nbjensen@gmail.com>
8528 * doc/loop.texi (Loop Analysis and Representation): Document
8529 loop_depth function.
8531 2016-01-14 Tom de Vries <tom@codesourcery.com>
8533 PR tree-optimization/68773
8534 * omp-low.c (expand_omp_target): Don't set force_output.
8535 * varpool.c (varpool_node::get_create): Same.
8536 * lto-cgraph.c (input_offload_tables): Mark entries in offload_vars and
8537 offload_funcs with force_output.
8539 2016-01-14 Jakub Jelinek <jakub@redhat.com>
8542 * lra-eliminations.c (move_plus_up): Don't change anything if either
8543 the outer or inner subreg mode is not MODE_INT.
8544 * dwarf2out.c (mem_loc_descriptor): For SUBREG, if outer mode is
8545 integral <= DWARF2_ADDR_SIZE, convert to untyped afterwards.
8547 2016-01-14 Alan Lawrence <alan.lawrence@arm.com>
8549 * doc/md.texi (reduc_smin_@var{m}, reduc_smax_@var{m},
8550 reduc_umin_@var{m}, reduc_umax_@var{m}, reduc_splus_@var{m},
8551 reduc_uplus_@var{m}): Remove.
8552 * expr.c (expand_expr_real_2): Remove expansion path for
8553 reduc_[us](min|max|plus) optabs.
8554 * optabs-tree.c (scalar_reduc_to_vector): Remove.
8555 * optabs-tree.h (scalar_reduc_to_vector): Remove.
8556 * optabs.def (reduc_smax_optab, reduc_smin_optab, reduc_splus_optab,
8557 reduc_umax_optab, reduc_umin_optab, reduc_uplus_optab): Remove.
8558 * tree-vect-loop.c (vectorizable_reduction): Remove test for
8559 reduc_[us](min|max|plus) optabs.
8561 2016-01-14 Alan Lawrence <alan.lawrence@arm.com>
8563 * config/mips/mips-ps-3d.md (reduc_splus_v2sf): Remove.
8564 (reduc_plus_scal_v2sf): New.
8565 (reduc_smax_v2sf): Rename to...
8566 (reduc_smax_scal_v2sf): ...here, make result SFmode, add vec_extract.
8567 (reduc_smin_v2sf): Rename to...
8568 (reduc_smin_scal_v2sf): ...here, make result SFmode, add vec_extract.
8570 2016-01-14 Jan Hubicka <hubicka@ucw.cz>
8572 * alias.c (compare_base_symbol_refs): New function.
8573 (rtx_equal_for_memref_p, base_alias_check, memrefs_conflict_p): Use
8576 2016-01-14 Jakub Jelinek <jakub@redhat.com>
8579 PR tree-optimization/69155
8580 * tree-complex.c: Include cfganal.h.
8581 (phis_to_revisit): New variable.
8582 (extract_component): Add phiarg_p argument. Assert that returned
8583 SSA_NAME has non-NULL SSA_NAME_DEF_STMT unless phiarg_p is true.
8584 (update_phi_components): Partly rewrite to use loop over real/imag
8585 components instead of code duplication. If extract_component returns
8586 SSA_NAME with NULL SSA_NAME_DEF_STMT, store SSA_NAME_VAR or
8587 create_tmp_reg into the PHI node instead, and mention the phi triplet
8589 (tree_lower_complex): Walk bbs in rpo order. Adjust phis recorded
8590 in phis_to_revisit at the end.
8592 2016-01-14 Richard Biener <rguenther@suse.de>
8594 PR tree-optimization/68060
8595 * tree-vect-loop.c (vect_is_simple_reduction): Check the
8596 outer loop reduction is only used in the inner loop before
8597 detecting a double reduction.
8599 2016-01-14 Jakub Jelinek <jakub@redhat.com>
8602 * combine.c (expand_field_assignment): Punt if compute_mode is
8603 unsupported scalar mode.
8605 2016-01-14 Richard Biener <rguenther@suse.de>
8607 PR tree-optimization/66856
8608 * tree-vect-slp.c (vect_build_slp_tree): Refactor to build
8609 SLP node only if it built successfully.
8610 (vect_analyze_slp_instance): Adjust.
8612 2016-01-14 Jeff Law <law@redhat.com>
8614 PR tree-optimization/69270
8615 * tree-ssa-dom.c (ssa_name_has_boolean_range): New function.
8616 (record_edge_info): Use it. Convert boolean_{true,false}_node
8619 2016-01-13 Jan Hubicka <hubicka@ucw.cz>
8622 * ipa-polymorphic-call.c (inlined_polymorphic_ctor_dtor_block_p):
8623 use block_ultimate_origin
8624 (noncall-stmt_may_be_vtbl_ptr_store): Likewise.
8626 2016-01-13 Sandra Loosemore <sandra@codesourcery.com>
8628 * doc/invoke.texi (Submodel Options): Rename section to
8629 "Machine-Dependent Options" to better reflect its content.
8630 Rewrite introductory text to remove archaic CPU names.
8633 2016-01-13 Sandra Loosemore <sandra@codesourcery.com>
8635 * doc/invoke.texi (Code Gen Options): Move section up in file,
8636 before target-specific options. Update menu and option summary
8637 to reflect the new section ordering.
8639 2016-01-13 Jonathan Wakely <jwakely@redhat.com>
8641 * doc/invoke.texi (C Dialect Options): Adjust -std default for C++.
8642 (C++ Dialect Options): Add cross-reference to -std option.
8643 * doc/standards.texi (C++ Language): Document C++14 support.
8645 2016-01-13 Michael Meissner <meissner@linux.vnet.ibm.com>
8647 * config/rs6000/rs6000-builtin.def (BU_FLOAT128_2): Add support
8648 for pack/unpack functions for __ibm128.
8649 (PACK_IF): Likewise.
8650 (UNPACK_IF): Likewise.
8652 * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Add
8653 support for __ibm128 pack/unpack functions.
8654 (rs6000_invalid_builtin): Likewise.
8655 (rs6000_init_builtins): Likewise.
8656 (rs6000_opt_masks): Likewise.
8658 * config/rs6000/rs6000.h (MASK_FLOAT128): Add short name.
8659 (RS6000_BTM_FLOAT128): Add support for __ibm128 pack/unpack
8661 (RS6000_BTM_COMMON): Likewise.
8663 * config/rs6000/rs6000.md (f128_vsx): New mode attribute.
8664 (unpack<mode>): Use FMOVE128_FPR iterator instead of FMOVE128, to
8665 disallow __builtin_{pack,unpack}_longdouble if long double is IEEE
8666 128-bit floating point. Add support for the double values to be
8667 in Altivec registers for TF/IF packing and unpacking, but restrict
8668 TD packing sub-fields to be FPR registers. Don't allow overlapped
8669 register support for packing. Allow pack inputs to be memory
8670 locations. Don't build generator functions for unpack<mode>_dm
8671 and unpack<mode>_nodm.
8672 (unpack<mode>_dm): Likewise.
8673 (unpack<mode>_nodm): Likewise.
8674 (pack<mode>): Likewise.
8676 * config/rs6000/rs6000-builtin.def (__builtin_pack_ibm128): Add
8677 built-in functions to pack/unpack explicit __ibm128 values.
8678 (__builtin_unpack_ibm128): Likewise.
8680 * doc/extend.texi (PowerPC Built-in Functions): Document
8681 __builtin_pack_ibm128 and __builtin_unpack_ibm128.
8683 2016-01-13 Bernd Schmidt <bschmidt@redhat.com>
8686 * c-common.c (check_function_nonnull): Remove unnecessary declaration.
8687 Add new arg loc and pass it down as context.
8688 (check_nonnull_arg): Don't mark ctx arg as unused. Use it as a pointer
8689 to the location to use for the warning.
8690 (check_function_arguments): New arg loc. All callers changed. Pass
8691 it to check_function_nonnull.
8692 * c-common.h (check_function_arguments): Adjust declaration.
8694 2016-01-13 Jakub Jelinek <jakub@redhat.com>
8696 PR tree-optimization/69156
8697 * gimple.c (validate_type): Removed.
8698 (gimple_builtin_call_types_compatible_p): Use
8699 useless_type_conversion_p instead of validate_type.
8700 * value-prof.c (gimple_stringop_fixed_value): Fold
8701 icall_size to correct type.
8703 2016-01-13 Jonathan Wakely <jwakely@redhat.com>
8705 * doc/extend.texi (__atomic Builtins): Clarify compare_exchange
8708 2016-01-13 Richard Henderson <rth@redhat.com>
8711 * target.def (builtin_tm_load, builtin_tm_store): Remove.
8712 * config/i386/i386.c (ix86_builtin_tm_load): Remove.
8713 (ix86_builtin_tm_store): Remove.
8714 (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
8715 (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
8716 * doc/tm.texi.in (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
8717 (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
8718 * doc/tm.texi: Rebuild.
8720 * gtm-builtins.def (BUILT_IN_TM_MEMCPY_RNWT): New.
8721 (BUILT_IN_TM_MEMCPY_RTWN): New.
8722 * trans-mem.c (tm_log_emit_stmt): Rearrange code for better
8723 fallback from vector to integer helpers.
8724 (build_tm_load): Handle vector types directly, instead of
8726 (build_tm_store): Likewise.
8727 (expand_assign_tm): Prepare for register types not handled by
8728 the above. Copy them to memory and use memcpy.
8729 * tree.c (tm_define_builtin): New.
8730 (find_tm_vector_type): New.
8731 (build_tm_vector_builtins): New.
8732 (build_common_builtin_nodes): Call it.
8734 2016-01-13 Uros Bizjak <ubizjak@gmail.com>
8736 * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Return -1 for
8737 TARGET_SSE_MATH without TARGET_SSE2. Rewrite.
8739 2016-01-13 Tom de Vries <tom@codesourcery.com>
8741 PR tree-optimization/69169
8742 * tree-ssa-structalias.c (create_variable_info_for_1): Add and handle
8743 handled_struct_type param.
8744 (create_variable_info_for, intra_create_variable_infos): Call
8745 create_variable_info_for_1 with extra arg.
8747 2016-01-13 Yvan Roux <yvan.roux@linaro.org>
8749 * config/arm/arm-arches.def: Remove spurious whitespace in "armv8.1-a"
8750 and "armv8.1-a+crc" entries.
8752 2016-01-13 Alexander Fomin <alexander.fomin@intel.com>
8755 * config/i386/sse.md (define_expand "avx512pf_gatherpf<mode>sf"):
8756 Change first operand predicate from register_or_constm1_operand
8757 to register_operand.
8758 (define_expand "avx512pf_gatherpf<mode>df"): Likewise.
8759 (define_expand "avx512pf_scatterpf<mode>sf"): Likewise.
8760 (define_expand "avx512pf_scatterpf<mode>df"): Likewise.
8761 (define_insn "*avx512pf_gatherpf<mode>sf"): Remove.
8762 (define_insn "*avx512pf_gatherpf<mode>df"): Likewise.
8763 (define_insn "*avx512pf_scatterpf<mode>sf"): Likewise.
8764 (define_insn "*avx512pf_scatterpf<mode>df"): Likewise.
8765 * config/i386/i386.c (ix86_expand_builtin): Remove first operand
8766 comparison with constm1_rtx from vec_prefetch_gen part.
8768 2016-01-13 Richard Biener <rguenther@suse.de>
8770 PR tree-optimization/69013
8771 * tree-ssa-uninit.c (prune_uninit_phi_opnds_in_unrealizable_paths):
8772 Exchange assert for a test.
8774 2016-01-13 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
8777 * config/s390/s390.md (bswaphi splitter): Use simplify_gen_subreg.
8779 2016-01-13 Richard Biener <rguenther@suse.de>
8781 PR tree-optimization/69242
8782 * tree-ssa-sccvn.c (visit_reference_op_load): Replace bogus
8783 assert with a check.
8785 2016-01-13 Richard Biener <rguenther@suse.de>
8787 PR tree-optimization/69186
8788 * tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
8789 Properly guard vect_update_misalignment_for_peel call.
8791 2016-01-12 Jeff Law <law@redhat.com>
8793 PR tree-optimization/pr67755
8794 * tree-ssa-threadupdate.c (struct ssa_local_info_t): Add new field
8795 "need_profile_correction".
8796 (thread_block_1): Initialize new field to false by default. If we
8797 have multiple thread paths through a common joiner to different
8798 final targets, then set new field to true.
8799 (compute_path_counts): Only do count adjustment when it's really
8802 2016-01-12 Sandra Loosemore <sandra@codesourcery.com>
8804 * doc/invoke.texi (Spec Files): Move section down in file, past
8805 all command-line option descriptions.
8807 2016-01-12 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
8810 * doc/gty.texi: Remove documentation of mark_hook.
8811 * gengtype.c (struct write_types_data): Remove code to support
8812 mark_hook attribute.
8813 (walk_type): Likewise.
8814 (write_func_for_structure): Likewise.
8816 2016-01-12 Sandra Loosemore <sandra@codesourcery.com>
8818 * doc/invoke.texi (Option Summary) Move -no-canonical-prefixes to
8819 Directory Options, and -specs= to Overall Options.
8820 (Overall Options): Adjust similarly. Reorder to group related
8821 options together. Make -specs= cross-reference the spec file details.
8822 (Directory Options): Adjust similarly.
8824 2016-01-12 Jeff Law <law@redhat.com>
8826 * tree-ssa-threadupdate.c: Various whitespace and typo fixes.
8828 2016-01-12 Olivier Hainque <hainque@adacore.com>
8830 * gcc.c (spec_undefvar_allowed): New global.
8831 (process_command): Set to true when running for --version or --help,
8833 (getenv_spec_function): When the variable is not defined, use the
8834 variable name as the variable value if we're allowed not to issue
8837 2016-01-12 Bin Cheng <bin.cheng@arm.com>
8839 PR tree-optimization/68911
8840 * tree-vrp.c (adjust_range_with_scev): Check overflow in range
8841 information computed for expression "init + nit * step".
8843 2016-01-12 Sandra Loosemore <sandra@codesourcery.com>
8845 * doc/invoke.texi (Invoking GCC): Copy-edit. Incorporate information
8846 about name of GCC executable. Remove deleted node from menu.
8847 (Directory Options) <-B>: Remove cross-reference to deleted node.
8848 (Target Options): Delete section.
8850 2016-01-12 Christian Bruel <christian.bruel@st.com>
8853 * config/arm/arm-c.c (arm_pragma_target_parse): Set NODE_CONDITIONAL
8854 for __ARM_NEON_FP, __ARM_FP, _ARM_FEATURE_LDREX.
8856 2016-01-12 Jakub Jelinek <jakub@redhat.com>
8859 * config/i386/i386.c (ix86_expand_special_args_builtin): Ensure
8860 aligned_mem is properly set for AVX512-VL floating point masked
8864 * ifcvt.c (cond_exec_process_if_block): When removing the last
8865 insn from then_bb, remove also any possible barriers that follow it.
8867 2016-01-12 H.J. Lu <hongjiu.lu@intel.com>
8871 * config/i386/iamcu.h (SIZE_TYPE): New macro.
8872 (PTRDIFF_TYPE): Likewise.
8873 (WCHAR_TYPE): Likewise.
8874 (WCHAR_TYPE_SIZE): Likewise.
8875 (STDINT_LONG32): Likewise.
8877 2016-01-12 Richard Biener <rguenther@suse.de>
8879 PR tree-optimization/69053
8880 * tree-vect-loop.c (get_initial_def_for_reduction): Properly
8881 convert initial value for cond reductions.
8883 2016-01-12 Richard Biener <rguenther@suse.de>
8885 PR tree-optimization/69007
8886 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Move
8887 widen_sum after dot_prod and sad.
8889 2016-01-12 Richard Biener <rguenther@suse.de>
8891 PR tree-optimization/69168
8892 * tree-vect-loop.c (vect_analyze_loop_2): Reset both main and
8893 pattern stmt SLP type.
8894 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Patterns may
8895 end up unused so cope with that case.
8897 2016-01-12 Richard Biener <rguenther@suse.de>
8899 PR tree-optimization/69157
8900 * tree-vect-stmts.c (vectorizable_mask_load_store): Check
8901 stmts def type only during analyze phase.
8902 (vectorizable_call): Likewise.
8903 (vectorizable_simd_clone_call): Likewise.
8904 (vectorizable_conversion): Likewise.
8905 (vectorizable_assignment): Likewise.
8906 (vectorizable_shift): Likewise.
8907 (vectorizable_operation): Likewise.
8908 (vectorizable_store): Likewise.
8909 (vectorizable_load): Likewise.
8911 2016-01-12 Richard Biener <rguenther@suse.de>
8913 PR tree-optimization/69174
8914 * tree-vect-stmts.c (vect_mark_relevant): Remove excessive vertical
8916 (vectorizable_load): Properly compute the number of loads needed
8917 for permuted strided SLP loads and do not spuriously assign
8918 to SLP_TREE_VEC_STMTS.
8920 2016-01-12 Andris Pavenis <andris.pavenis@iki.fi>
8922 * config/i386/djgpp.h (PREFERRED_DEBUGGING_TYPE): Define to DWARF2
8923 (TARGET_ASM_OUTPUT_IDENT): Define to default_asm_output_ident_directive
8924 (MD_EXEC_PREFIX): Remove.
8925 (MD_STARTFILE_PREFIX) Removee.
8926 (FILE_NAME_ABSOLUTE_P): Remove.
8927 (CPP_SPEC): Do not read macros from sys/version.h.
8928 (LINK_COMMAND_SPEC): Remove.
8929 (LOCAL_INCLUDE_DIR): Remove.
8930 (TARGET_ASM_NAMED_SECTION): Define to i386_djgpp_asm_named_section
8931 (TARGET_OS_CPP_BUILTINS): Add DJGPP (non ISO only), __DJGPP, __DJGPP__, unix.
8932 (POST_LINK_SPEC): Define to invoke stubify after linker
8933 (LIBSTDCXX): Remove define
8934 (DBX_REGISTER_NUMBER): Define to svr4_dbx_register_map.
8935 (DEFAULT_PCC_STRUCT_RETURN): Define to 1.
8936 (SUBTARGET_OVERRIDE_OPTIONS): Remove warning about -mbnu2210.
8937 (SUBTARGET_OVERRIDE_OPTIONS): Ignore -fPIC and generate message.
8938 (SUBTARGET_OVERRIDE_OPTIONS): Default to DWARF2 debugging info.
8939 (IX86_MAYBE_NO_LIBGCC_TFMODE): Remove.
8940 (i386_djgpp_asm_named_section): Add propotype of new procedure
8942 * config/i386/xm-djgpp.h (NATIVE_SYSTEM_HEADER_DIR): Define.
8943 (MD_EXEC_PREFIX): Define (moved from config/i386/djgpp.h).
8944 (STANDARD_STARTFILE_PREFIX_1): Define (moved from MD_STARTFILE_PREFIX
8945 in config/i386/djgpp.h).
8946 (STANDARD_STARTFILE_PREFIX_2): Define identical to
8947 STANDARD_STARTFILE_PREFIX_1.
8948 (LOCAL_INCLUDE_DIR): Define (moved from config/i386/djgpp.h).
8949 (GCC_DRIVER_HOST_INITIALIZATION): Fix reporting fatal
8950 installation errors.
8951 (MAX_OFILE_ALIGNMENT): Define to 128.
8952 (HAVE_FTW_H): Undefine as DJGPP do not have nftw, but have ftw.h.
8954 * config/i386/djgpp.c: New file. Add implementation of
8955 i386_djgpp_asm_named_section.
8957 * config/i386/djgpp.opt: Remove obsolete option -mbnu210.
8959 * config/i386/t-djgpp: New file. Add djgpp.o to EXTRA_OBJS.
8960 Add rule for building djgpp.o.
8962 2016-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
8964 * config/rs6000/rs6000.c (v2df_reduction_p): New function.
8965 (rtx_is_swappable_p): Reductions are swappable.
8966 (insn_is_swappable_p): V2DF reductions are swappable.
8968 2016-01-11 John David Anglin <danglin@gcc.gnu.org>
8970 * config/pa/pa.c (pa_emit_move_sequence): Handle floating point
8971 reloads for other unsupported memory operands.
8973 2016-01-12 Kugan Vivekanandarajah <kuganv@linaro.org>
8974 Jim Wilson <jim.wilson@linaro.org>
8977 * config/arm/arm-builtins.c (arm_expand_neon_args): Call
8978 copy_to_mode_reg instead of force_reg.
8980 2016-01-11 H.J. Lu <hongjiu.lu@intel.com>
8983 * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Set to 2 only if
8984 TARGET_80387 is true.
8986 2016-01-11 Jakub Jelinek <jakub@redhat.com>
8989 * lra-eliminations.c (move_plus_up): Only move plus up
8990 if subreg of the constant can be simplified into constant
8991 and use the simplified subreg of the constant instead of
8992 the original constant.
8994 * fold-const.c (fold_convertible_p): Don't return true
8995 for conversion of VECTOR_TYPE to same sized integral type.
8996 (fold_convert_loc): Fix up formatting. Fold conversion of
8997 VECTOR_TYPE to same sized integral type using VIEW_CONVERT_EXPR
8998 instead of NOP_EXPR.
9000 PR tree-optimization/69214
9001 * tree-vrp.c (simplify_cond_using_ranges): Don't propagate
9002 innerop into a comparison if SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
9005 PR tree-optimization/69207
9006 * tree-vect-slp.c (vect_get_constant_vectors): For
9007 VECTOR_BOOLEAN_TYPE_P, assert op has integral type instead of
9008 fold_convertible_p to vector_type's element type, and always
9009 use VCE for non-VECTOR_BOOLEAN_TYPE_P.
9011 2016-01-11 Richard Biener <rguenther@suse.de>
9013 PR tree-optimization/69173
9014 * tree-vect-loop.c (vect_fixup_scalar_cycles_with_patterns): Only
9015 fixup the cycle if all stmts are in a pattern.
9017 2016-01-11 Uros Bizjak <ubizjak@gmail.com>
9020 * alias.c (base_alias_check): Move check for addresses with
9021 alignment ANDs before the call for compare_base_decls.
9022 (memrefs_conflict_p): Return -1 for different decls
9023 that went through alignment adjustments.
9025 2016-01-11 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
9027 PR rtl-optimization/68796
9028 * config/aarch64/aarch64.md (*and<mode>_compare0): New pattern.
9029 * config/aarch64/aarch64.c (aarch64_select_cc_mode): Handle HImode
9030 and QImode comparisons against zero with CC_NZmode.
9031 * config/aarch64/iterators.md (short_mask): New mode_attr.
9033 2016-01-11 H.J. Lu <hongjiu.lu@intel.com>
9035 * config/i386/sse.md (<avx512>_load<mode>_mask): Remove snprintf.
9036 (<avx512>_store<mode>_mask): Likewise.
9038 2016-01-11 Bernd Schmidt <bschmidt@redhat.com>
9039 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
9041 PR rtl-optimization/68841
9042 * ifcvt.c (struct noce_if_info): Add orig_x field.
9043 (bbs_ok_for_cmove_arith): Add to_rename parameter.
9044 Don't record conflicts on to_rename if it's present.
9045 Allow memory destinations in sets.
9046 (noce_try_cmove_arith): Call bbs_ok_for_cmove_arith even on simple
9047 blocks, passing orig_x to the checks.
9048 (noce_process_if_block): Set if_info->orig_x appropriately.
9050 2016-01-11 Tom de Vries <tom@codesourcery.com>
9052 PR tree-optimization/69069
9053 * tree-parloops.c (create_parallel_loop): Add missing phi args.
9055 2016-01-11 Yuri Rumyantsev <ysrumyan@gmail.com>
9057 PR rtl-optimization/68920
9058 * config/i386/i386.c (ix86_option_override_internal): Restrict number
9059 of conditional moves for RTL if-conversion to 1 for
9060 TARGET_ONE_IF_CONV_INSN.
9061 * config/i386/i386.h (TARGET_ONE_IF_CONV_INSN): New macros.
9062 * config/i386/x86-tune.def (X86_TUNE_ONE_IF_CONV_INSN): New macros.
9063 * params.def (PARAM_MAX_RTL_IF_CONVERSION_INSNS) : Introduce new
9064 parameter to restirct number of conditional moves for
9066 * doc/invoke.texi (max-rtl-if-conversion-insns): Document it.
9067 * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Limit number of
9070 2016-01-11 Alexandre Oliva <aoliva@redhat.com>
9073 * var-tracking.c (drop_overlapping_mem_locs): Operate on all
9074 onepart vars. Fix typo in comment. Fix reversed condition in
9076 (dataflow_set_remove_mem_locs): Operate on all onepart vars.
9079 * var-tracking.c (dump_onepart_variable_differences): New.
9080 (dataflow_set_different): If a detailed dump is requested,
9081 delay early returns and dump differences between onepart
9082 variables present before and after, and added variables.
9084 2016-01-11 Ilya Enkovich <enkovich.gnu@gmail.com>
9087 * expr.c (expand_expr_real_1): For boolean vector constants
9088 with a scalar mode use const_scalar_mask_from_tree.
9089 (const_scalar_mask_from_tree): New.
9090 * optabs.c (expand_vec_cond_mask_expr): Use mask mode
9091 assigned to a mask type to handle constants.
9093 2016-01-11 Martin Jambor <mjambor@suse.cz>
9096 * ipa-cp.c (estimate_local_effects): Do not clone for removal of
9097 useless parameters if we cannot change function signature.
9099 2016-01-11 Martin Jambor <mjambor@suse.cz>
9102 * cgraphclones.c (duplicate_thunk_for_node): Copy can_change_signature
9105 2016-01-11 Tom de Vries <tom@codesourcery.com>
9107 PR tree-optimization/69109
9108 * tree-parloops.c (try_transform_to_exit_first_loop_alt): Don't allow
9111 2016-01-11 Tom de Vries <tom@codesourcery.com>
9113 PR tree-optimization/69108
9114 * tree-parloops.c (gather_scalar_reductions): Handle case that outer phi
9115 res is not used in a phi.
9117 2016-01-11 Yury Gribov <y.gribov@samsung.com>
9120 * common.opt (frandom-seed): Fix parameter name.
9121 * doc/invoke.texi (frandom-seed): Ditto and describe parameter.
9123 2016-01-11 Tom de Vries <tom@codesourcery.com>
9125 PR tree-optimization/69058
9126 * tree-parloops.c (pass_parallelize_loops::execute): Return 0 if libgomp
9129 2016-01-11 Andrew Burgess <andrew.burgess@embecosm.com>
9131 * config/arc/arc.opt (mdiv-rem): Add period to the end.
9132 (mcode-density): Likewise.
9134 2016-01-10 Tom de Vries <tom@codesourcery.com>
9136 PR tree-optimization/69062
9137 * tree-parloops.c (loop_has_phi_with_address_arg): New function.
9138 (parallelize_loops): Don't paralelize loop that has phi with address
9141 2016-01-10 Tom de Vries <tom@codesourcery.com>
9143 PR tree-optimization/69039
9144 * tree-parloops.c (try_create_reduction_list): Only allow single exit
9147 2016-01-09 John David Anglin <danglin@gcc.gnu.org>
9150 * match.pd: Require target has function_c99_misc before doing
9151 truncl(extend(x)) and trunc(extend(x)) -> extend(truncf(x)), etc.
9153 2016-01-09 Gerald Pfeifer <gerald@pfeifer.com>
9155 * configure.ac (isl_options_set_schedule_serialize_sccs): Also
9157 * configure: Regenerate.
9159 2016-01-09 Jakub Jelinek <jakub@redhat.com>
9162 PR tree-optimization/69097
9163 * fold-const.h (expr_not_equal_to): New prototype.
9164 * fold-const.c: Include stringpool.h and tree-ssanames.h.
9165 (expr_not_equal_to): New function.
9166 * match.pd (X % -Y is the same as X % Y): Don't optimize
9167 unless X is known not to be equal to minimum or Y is known
9168 not to be equal to -1.
9169 * tree-vrp.c (simplify_div_or_mod_using_ranges): Add GSI argument.
9170 fold TRUNC_MOD_EXPR if the second argument is not a power of two.
9171 (simplify_stmt_using_ranges): Adjust caller.
9172 (vrp_finalize): Call set_value_range on SSA_NAMEs before calling
9173 substitute_and_fold.
9175 2016-01-09 Jan Hubicka <hubicka@ucw.cz>
9177 * ipa-icf.c (sem_item_optimizer::merge_classes): Do not ICE on VAR_DECL
9180 2016-01-08 Jakub Jelinek <jakub@redhat.com>
9182 PR tree-optimization/69167
9183 * gimple-fold.c (replace_stmt_with_simplification): Also punt if
9184 new SSA_NAME_OCCURS_IN_ABNORMAL_PHI SSA_NAMEs appear in operands of
9186 * gimple-match-head.c (maybe_push_res_to_seq): Likewise.
9188 2016-01-08 Alan Lawrence <alan.lawrence@arm.com>
9189 Richard Biener <rguenther@suse.de>
9191 PR tree-optimization/68707
9192 * tree-vect-slp.c (vect_analyze_slp_instance): Cancel permuted SLP
9193 instances that can be handled via vect_load_lanes.
9195 2016-01-08 Uros Bizjak <ubizjak@gmail.com>
9197 * symtab.c (symtab_node::equal_address_to): Return -1 instead of 2
9198 if we can't determine address equivalence.
9199 * alias.c (compare_base_decl): Update for changed return value of
9200 symtab_node::equal_address_to.
9202 2016-01-08 Jason Merrill <jason@redhat.com>
9206 * function.c (assign_temp): Guard against TREE_ADDRESSABLE types here.
9207 * expr.c (store_field): Not here.
9208 * tree-cfgcleanup.c (fixup_noreturn_call): Don't clear LHS of a
9209 call with TREE_ADDRESSABLE type.
9210 * tree-cfg.c (verify_gimple_call): Adjust.
9212 2016-01-08 Olivier Hainque <hainque@adacore.com>
9214 * config/vxworks.h (VXWORKS_LIBGCC_SPEC): Don't link shared RTPs with
9217 2016-01-08 Alan Lawrence <alan.lawrence@arm.com>
9219 * gcc.target/rs6000/paired.md (reduc_smax_v2sf): Rename to...
9220 (reduc_smax_scal_v2sf): ...here, make result SFmode, extract element.
9221 (reduc_smin_v2sf): Rename to...
9222 (reduc_smin_scal_v2sf): ...here, make result SFmode, extract element.
9223 (reduc_splus_v2sf): Rename to...
9224 (reduc_plus_scal_v2sf): ...here, make result SFmode, extract element.
9226 2016-01-08 Jakub Jelinek <jakub@redhat.com>
9228 PR tree-optimization/69162
9229 * gimplify.c (gimplify_va_arg_expr): Encode original type of
9230 valist argument in another argument.
9231 (gimplify_modify_expr): Adjust for the above change. Cleanup.
9232 * tree-stdarg.c (expand_ifn_va_arg_1): Use new 3rd argument
9233 to determine the va_list type, build a MEM_REF instead of
9234 build_fold_indirect_ref.
9236 PR tree-optimization/69172
9237 * gimple-fold.c (gimple_fold_builtin_memory_chk): Pass type to
9240 2016-01-08 Thomas Preud'homme <thomas.preudhomme@arm.com>
9242 PR tree-optimization/67781
9243 * tree-ssa-math-opts.c (find_bswap_or_nop): Zero out bytes in cmpxchg
9244 and cmpnop in two steps: first the ones not accessed in original
9245 gimple expression in a endian independent way and then the ones not
9246 accessed in the final result in an endian-specific way.
9248 2016-01-08 Jakub Jelinek <jakub@redhat.com>
9250 PR tree-optimization/69083
9251 * tree-vect-slp.c (vect_get_constant_vectors): For
9252 VECTOR_BOOLEAN_TYPE_P assert op is fold_convertible_p to vector_type's
9253 element type. If op is fold_convertible_p to vector_type's element
9254 type, use NOP_EXPR instead of VCE.
9256 2016-01-08 Segher Boessenkool <segher@kernel.crashing.org>
9258 PR rtl-optimization/67778
9259 PR rtl-optimization/68634
9260 PR rtl-optimization/68909
9261 * shrink-wrap.c (try_shrink_wrapping): Add comment. Don't pop
9262 block from the stack until done with it. Remove a superfluous
9263 bitmap set. Remove a superfluous bitmap test.
9265 2016-01-07 Martin Sebor <msebor@redhat.com>
9268 * doc/extend.texi (__atomic Builtins, __sync Builtins): Document
9269 constraint on the type of arguments.
9271 2016-01-07 Andreas Tobler <andreast@gcc.gnu.org>
9273 * config/arm/freebsd.h: Rename SUBTARGET_OVERRIDE_OPTIONS to
9274 SUBTARGET_OVERRIDE_INTERNAL_OPTIONS. Adjust to check
9275 unaligned_access on the gcc_options set.
9276 * config/arm/arm.c (arm_option_override_internal): Use
9277 SUBTARGET_OVERRIDE_INTERNAL_OPTIONS.
9279 2016-01-07 Uros Bizjak <ubizjak@gmail.com>
9282 * config/i386/i386.c (ix86_frame_pointer_required): Enable
9283 frame pointer for TARGET_64BIT_MS_ABI when stack is misaligned.
9285 2016-01-07 Uros Bizjak <ubizjak@gmail.com>
9288 2016-01-06 Uros Bizjak <ubizjak@gmail.com>
9291 * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
9292 depending on frame_pointer_needed before remaining integer and SSE
9293 registers are saved.
9295 2016-01-07 Sandra Loosemore <sandra@codesourcery.com>
9298 * doc/extend.texi (Nvidia PDX Function Attributes): New section.
9300 2016-01-07 H.J. Lu <hongjiu.lu@intel.com>
9303 * config/i386/sse.md (<sse>_sqrt<mode>2<mask_name><round_name>):
9304 Use the "xBm" constraint.
9305 (float<sseintvecmodelower><mode>2<mask_name><round_name):
9307 (sse_cvtsi2ss<round_name>): Use round_nimm_scalar_predicate.
9308 (sse_cvtsi2ssq<round_name>): Likewise.
9309 (sse_cvtss2si<round_name>): Likewise.
9310 (sse_cvtss2siq<round_name>): Likewise.
9311 (sse2_cvtsi2sdq<round_name>): Likewise.
9312 (sse2_cvtsd2si<round_name>): Likewise.
9313 (sse2_cvtsd2siq<round_name>): Likewise.
9314 * config/i386/subst.md (round_nimm_scalar_predicate): New
9317 2015-12-15 Bernd Schmidt <bschmidt@redhat.com>
9320 * varasm.c (make_decl_rtl): Mark invalid register vars as
9323 PR rtl-optimization/66206
9324 * bt-load.c (find_btr_use): Change first arg to be a pointer to an rtx.
9325 All callers changed.
9327 2016-01-07 Jakub Jelinek <jakub@redhat.com>
9329 PR tree-optimization/69141
9330 * tree-ssa-pre.c: Include langhooks.h.
9331 (eliminate_dom_walker::before_dom_children): Use
9332 lang_hooks.decl_printable_name instead of
9333 cgraph_node::get ()->name ().
9336 * gimple-expr.c (copy_var_decl): If var has DECL_USER_ALIGN set, copy
9337 it and DECL_ALIGN too.
9339 2016-01-06 Robert Suchanek <robert.suchanek@imgtec.com>
9341 * config/mips/mips-ftypes.def: Sort to lexicographical order.
9343 2016-01-06 Uros Bizjak <ubizjak@gmail.com>
9346 * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
9347 depending on frame_pointer_needed before remaining integer and SSE
9348 registers are saved.
9350 2015-01-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
9352 * config/rs6000/vsx.md (*p9_vecload_<mode>): Replace VSX_M
9353 mode iterator with VSX_M2.
9354 (*p9_vecstore_<mode>): Likewise.
9355 (*vsx_le_permute_<mode>): Restrict to !TARGET_P9_VECTOR.
9356 (*vsx_le_perm_load_<mode> for VSX_LE_128): Likewise.
9357 (*vsx_le_perm_store_<mode> for VSX_LE_128): Likewise.
9358 (define_split for VSX_LE128 stores): Likewise.
9359 (define_peephole2 for TImode LE swaps): Likewise.
9360 (define_split for VSX_LE128 post-reload stores): Likewise.
9362 2016-01-06 Marek Polacek <polacek@redhat.com>
9365 * convert.c (convert_to_integer_1): Adjust call to
9366 ubsan_instrument_float_cast. Use NULL_TREE instead of NULL.
9367 * ubsan.c (ubsan_instrument_float_cast): Drop the ARG parameter. Use
9368 EXPR instead of ARG.
9369 * ubsan.h (ubsan_instrument_float_cast): Adjust declaration.
9371 2016-01-05 Sandra Loosemore <sandra@codesourcery.com>
9374 * doc/extend.texi (RL78 Variable Attributes): New section.
9376 2016-01-05 Marek Polacek <polacek@redhat.com>
9379 * builtins.c (get_memmodel): Use expansion point location rather than
9380 the input location. Call warning_at rather than warning.
9381 (expand_builtin_atomic_compare_exchange): Likewise.
9382 (expand_builtin_atomic_load): Likewise.
9383 (expand_builtin_atomic_store): Likewise.
9384 (expand_builtin_atomic_clear): Likewise.
9386 2016-01-05 H.J. Lu <hongjiu.lu@intel.com>
9389 * config/i386/i386.c (ix86_expand_vector_logical_operator):
9390 Replace nonimmediate_operand with vector_operand.
9391 * config/i386/predicates.md (vector_operand): New predicate.
9392 (general_vector_operand): Replace nonimmediate_operand with
9394 * config/i386/sse.md: Replace nonimmediate_operand with
9395 vector_operand and m constraint with Bm constraint on SSE
9396 patterns with 16-byte memory operand.
9397 * config/i386/subst.md (round_nimm_predicate): Replace
9398 nonimmediate_operand with vector_operand.
9399 (round_saeonly_nimm_predicate): Likewise.
9400 (round_saeonly_nimm_scalar_predicate): New.
9402 2016-01-05 H.J. Lu <hongjiu.lu@intel.com>
9405 * config/i386/constraints.md (Bm): New constraint.
9406 * config/i386/predicates.md (vector_memory_operand): New
9408 * config/i386/sse.md: Replace xm with xBm in plusminus and
9411 2016-01-05 Sandra Loosemore <sandra@codesourcery.com>
9414 * doc/extend.texi (V850 Function Attributes): New section.
9415 (V850 Variable Attributes): New section.
9417 2016-01-05 Sandra Loosemore <sandra@codesourcery.com>
9420 * doc/extend.texi (MicroBlaze Function Attributes): Document
9421 interrupt_handler and fast_interrupt attributes.
9423 2016-01-05 Sergei Trofimovich <siarheit@google.com>
9426 * config/ia64/ia64.c (ia64_expand_load_address): Use gprel64
9427 for local symbolic operands.
9428 * config/ia64/predicates.md (local_symbolic_operand64): New
9431 2016-01-05 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
9433 PR rtl-optimization/68651
9434 * combine.c (combine_simplify_rtx): Canonicalize x + x into
9437 2016-01-05 Nathan Sidwell <nathan@acm.org>
9439 * alias.c (compare_base_decls): Use symtab_node::get.
9441 2016-01-05 Nick Clifton <nickc@redhat.com>
9444 * ira-costs.c (copy_cost): Initialise the t_icode field of the
9445 secondary_reload_info structure.
9448 * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Define to use weak
9449 decls if weak support is available.
9451 2016-01-04 Martin Sebor <msebor@redhat.com>
9453 * doc/invoke.texi (Warning Options): Document -Winvalid-memory-model.
9455 2016-01-04 Michael Meissner <meissner@linux.vnet.ibm.com>
9457 * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Add
9458 OPTION_MASK_P9_DFORM.
9460 * config/rs6000/constraints.md (wo constraint): New constraint for
9463 * config/rs6000/rs6000.c (rs6000_debug_reg_global): Add support
9465 (rs6000_init_hard_regno_mode_ok): Likewise.
9467 * config/rs6000/rs6000.h (r6000_reg_class_enum): Add support for
9470 * config/rs6000/altivec.md (altivec_vperm_<mode>): Clean up vperm
9471 expanders not to have constraints. Add support for ISA 3.0 xxperm
9472 instruction. Add support for fusing xxlor with xxperm.
9473 (altivec_vperm_<mode>_internal): Likewise.
9474 (altivec_vperm_v8hiv16qi): Likewise.
9475 (altivec_vperm_<mode>v16q): Likewise.
9476 (altivec_vperm_<mode>_uns): Likewise.
9477 (vperm_v8hiv4si): Likewise.
9478 (vperm_v16qiv8hi): Likewise.
9480 * doc/md.texi (RS/6000 constraints): Document wo constraint.
9482 2016-01-04 Jakub Jelinek <jakub@redhat.com>
9484 Update copyright years.
9486 * gcc.c (process_command): Update copyright notice dates.
9487 * gcov-dump.c (print_version): Ditto.
9488 * gcov.c (print_version): Ditto.
9489 * gcov-tool.c (print_version): Ditto.
9490 * gengtype.c (create_file): Ditto.
9491 * doc/cpp.texi: Bump @copying's copyright year.
9492 * doc/cppinternals.texi: Ditto.
9493 * doc/gcc.texi: Ditto.
9494 * doc/gccint.texi: Ditto.
9495 * doc/gcov.texi: Ditto.
9496 * doc/install.texi: Ditto.
9497 * doc/invoke.texi: Ditto.
9499 2016-01-04 Eric Botcazou <ebotcazou@adacore.com>
9501 * config/arm/arm.c (aapcs_vfp_allocate_return_reg): Treat all integer
9502 modes larger than TImode as TImode if NEON is not enabled.
9504 2016-01-04 Eric Botcazou <ebotcazou@adacore.com>
9507 * config/sparc/sparc.h (FUNCTION_ARG_REGNO_P): Return true in 64-bit
9508 mode for %f0-%f31 only if TARGET_FPU.
9510 2016-01-04 Eric Botcazou <ebotcazou@adacore.com>
9513 * config/sparc/sparc.c (scan_record_type): Take into account subfields
9514 to compute the PACKED_P predicate.
9515 (function_arg_record_value): Minor tweaks.
9517 2016-01-04 Thomas Preud'homme <thomas.preudhomme@arm.com>
9519 * doc/install.texi (--with-multilib-list): Describe the meaning of the
9520 option for arm*-*-* targets.
9522 2016-01-03 Sandra Loosemore <sandra@codesourcery.com>
9524 * doc/extend.texi (Common Function Attributes): Move docs for
9525 MSP430-specific attributes to....
9526 (MSP430 Function Attributes): ...here. Delete the redundant
9527 entries and copy-edit the remaining text.
9528 (MSP430 Variable Attributes): Use uniform format for index
9529 entries and add a cross-reference to the corresponding function
9532 2016-01-03 Vladimír Čunát <vcunat@gmail.com>
9534 * doc/invoke.texi (RS/6000 and PowerPC Options): Fix
9536 (x86 Options): Likewise.
9538 2016-01-01 Sandra Loosemore <sandra@codesourcery.com>
9542 * extend.texi (Common Function Attributes) <no_stack_limit>: New.
9543 * invoke.texi (Code Gen Options) <-fno-stack-limit>: Add pointer
9544 to corresponding attribute.
9546 2016-01-01 Sandra Loosemore <sandra@codesourcery.com>
9548 * doc/extend.texi (Common Function Attributes) <noplt>: Move
9549 to correct alphabetization of table. Copy-edit and correct
9551 <stack_protect>: Likewise.
9552 <target_clones>: Likewise.
9554 * doc/invoke.texi (Optimize Options) <-fstack-protector-explicit>:
9555 Correct punctuation.
9556 (Code Gen Options) <-fno-plt>: Copy-edit.
9558 2016-01-01 Bernd Edlinger <bernd.edlinger@hotmail.de>
9561 * config/tilegx/tilegx.md (clzsi2): Don't create DI subregs of
9562 SI values. Explicitly convert SI to DI and vice-versa.
9564 2016-01-01 Jakub Jelinek <jakub@redhat.com>
9566 PR tree-optimization/69070
9567 * tree-ssa-math-opts.c (gimple_expand_builtin_pow): Only test
9568 REAL_VALUE_ISSIGNALING_NAN on arg0 if arg0 is a REAL_CST.
9571 * ubsan.c (ubsan_instrument_float_cast): Call
9572 initialize_sanitizer_builtins.
9575 * ifcvt.c (find_cond_trap): Give up if returnjump_p (jump).
9577 Copyright (C) 2016 Free Software Foundation, Inc.
9579 Copying and distribution of this file, with or without modification,
9580 are permitted in any medium without royalty provided the copyright
9581 notice and this notice are preserved.