1 2016-05-02 Bernd Edlinger <bernd.edlinger@hotmail.de>
3 * doc/install.texi: Document supported in-tree gmp/mpfr/mpc versions.
5 2016-05-02 Marc Glisse <marc.glisse@inria.fr>
7 * match.pd (X u< X, X u> X): New transformations.
9 2016-05-02 Marc Glisse <marc.glisse@inria.fr>
11 * flag-types.h (enum warn_strict_overflow_code): Move ...
12 * coretypes.h: ... here.
13 * fold-const.h (fold_overflow_warning): Declare.
14 * fold-const.c (fold_overflow_warning): Make non-static.
15 (fold_comparison): Move the transformation of X +- C1 CMP C2
16 into X CMP C2 -+ C1 ...
18 * gimple-fold.c (fold_stmt_1): Protect with
19 fold_defer_overflow_warnings.
21 2016-05-02 Nathan Sidwell <nathan@codesourcery.com>
23 * omp-low.c (struct oacc_loop): Add 'inner' field.
24 (new_oacc_loop_raw): Initialize it to zero.
25 (oacc_loop_fixed_partitions): Initialize it.
26 (oacc_loop_auto_partitions): Partition outermost loop to outermost
27 available partitioning.
29 2016-05-02 Claudiu Zissulescu <claziss@synopsys.com>
31 * config/arc/arc.md (mulsidi3): Change operand 0 predicate to
33 (umulsidi3): Likewise.
34 (indirect_jump): Fix jump instruction assembly patterns.
36 2016-05-02 Thomas Schwinge <thomas@codesourcery.com>
39 * config/nvptx/nvptx.c (nvptx_libcall_value): Handle NULL cfun.
40 (nvptx_function_value): Assert non-NULL cfun.
42 2016-05-02 Eric Botcazou <ebotcazou@adacore.com>
44 PR rtl-optimization/70886
45 * sched-deps.c (estimate_dep_weak): Canonicalize cselib values.
47 * cselib.h (rtx_equal_for_cselib_1): Declare.
48 (rtx_equal_for_cselib_p: New inline function.
49 * cselib.c (rtx_equal_for_cselib_p): Delete.
50 (rtx_equal_for_cselib_1): Make public.
52 2016-05-02 Uros Bizjak <ubizjak@gmail.com>
54 * config/i386/predicates.md (nonimm_ssenomem_operand): New predicate.
55 (register_mixssei387nonimm_operand): Remove predicate.
56 * config/i386/i386.md (*fop_<mode>_comm): Merge from
57 *fop_<mode>_comm_mixed and *fop_<mode>_comm_i387. Disable unsupported
58 alternatives using "enabled" attribute. Also check X87_ENABLE_ARITH
59 for TARGET_MIX_SSE_I387 alternatives.
60 (*fop_<mode>_1): Merge from *fop_<mode>_1_mixed and *fop_<mode>_1_i387.
61 Disable unsupported alternatives using "enabled" attribute. Use
62 nonimm_ssenomem_operand as operand 1 predicate. Also check
63 X87_ENABLE_ARITH for TARGET_MIX_SSE_I387 alternatives.
64 * config/i386/predicates.md (nonimm_ssenomem_operand): New predicate.
65 (register_mixssei387nonimm_operand): Remove predicate.
67 2016-05-02 Richard Sandiford <richard.sandiford@arm.com>
69 * tree.c (cst_and_fits_in_hwi): Simplify.
71 2016-05-02 Richard Sandiford <richard.sandiford@arm.com>
73 * tree.h (wi::to_wide): New function.
74 * expr.c (expand_expr_real_1): Use wi::to_wide.
75 * fold-const.c (int_const_binop_1): Likewise.
76 (extract_muldiv_1): Likewise.
78 2016-05-02 Richard Sandiford <richard.sandiford@arm.com>
80 * wide-int.h: Update offset_int and widest_int documentation.
81 (WI_SIGNED_SHIFT_RESULT): New macro.
82 (wi::binary_shift): Define signed_shift_result_type for
83 shifts on offset_int- and widest_int-like types.
84 (generic_wide_int): Support <<= and >>= if << and >> are supported.
85 * tree.h (int_bit_position): Use shift operators instead of wi::
87 * alias.c (adjust_offset_for_component_ref): Likewise.
88 * expr.c (get_inner_reference): Likewise.
89 * fold-const.c (fold_comparison): Likewise.
90 * gimple-fold.c (fold_nonarray_ctor_reference): Likewise.
91 * gimple-ssa-strength-reduction.c (restructure_reference): Likewise.
92 * tree-dfa.c (get_ref_base_and_extent): Likewise.
93 * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Likewise.
94 (stmt_kills_ref_p): Likewise.
95 * tree-ssa-ccp.c (bit_value_binop_1): Likewise.
96 * tree-ssa-math-opts.c (find_bswap_or_nop_load): Likewise.
97 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
98 (ao_ref_init_from_vn_reference): Likewise.
100 2016-05-02 Richard Sandiford <richard.sandiford@arm.com>
102 * wide-int.h: Update offset_int and widest_int documentation.
103 (WI_SIGNED_BINARY_PREDICATE_RESULT): New macro.
104 (wi::binary_traits): Allow ordered comparisons between offset_int and
105 offset_int, between widest_int and widest_int, and between either
106 of these types and basic C types.
107 (operator <, <=, >, >=): Define for the same combinations.
108 * tree.h (tree_int_cst_lt): Use comparison operators instead
110 (tree_int_cst_le): Likewise.
111 * gimple-fold.c (fold_array_ctor_reference): Likewise.
112 (fold_nonarray_ctor_reference): Likewise.
113 * gimple-ssa-strength-reduction.c (record_increment): Likewise.
114 * tree-affine.c (aff_comb_cannot_overlap_p): Likewise.
115 * tree-parloops.c (try_transform_to_exit_first_loop_alt): Likewise.
116 * tree-sra.c (completely_scalarize): Likewise.
117 * tree-ssa-alias.c (stmt_kills_ref_p): Likewise.
118 * tree-ssa-reassoc.c (extract_bit_test_mask): Likewise.
119 * tree-vrp.c (extract_range_from_binary_expr_1): Likewise.
120 (check_for_binary_op_overflow): Likewise.
121 (search_for_addr_array): Likewise.
122 * ubsan.c (ubsan_expand_objsize_ifn): Likewise.
124 2016-05-02 Claudiu Zissulescu <claziss@synopsys.com>
126 * config/arc/arc.c (arc_preferred_simd_mode): Remove enum keyword.
127 (arc_save_restore): Likewise.
128 (arc_dwarf_register_span): Likewise.
129 (arc_output_pic_addr_const): Initialize suffix variable.
131 2016-05-02 Martin Liska <mliska@suse.cz>
133 * symbol-summary.h (function_summary::function_summary):
134 Remove checking assert for all cgraph nodes.
135 (function_summary::get): Check summary_uid.
136 (symtab_insertion): Check summary_uid.
138 2016-05-02 Claudiu Zissulescu <claziss@synopsys.com>
140 * config/arc/arc-protos.h (compact_memory_operand_p): Declare.
141 * config/arc/arc.c (arc_output_commutative_cond_exec): Consider
143 (arc_dwarf_register_span): Remove enum keyword.
144 (compact_memory_operand_p): New function.
145 * config/arc/arc.h (reg_class): Add code density register classes.
146 (REG_CLASS_NAMES): Likewise.
147 (REG_CLASS_CONTENTS): Likewise.
148 * config/arc/arc.md (*movqi_insn): Add code density instructions.
149 (*movhi_insn, *movsi_insn, *movsf_insn): Likewise.
150 (*extendhisi2_i, andsi3_i, cmpsi_cc_insn_mixed): Likewise.
151 (*cmpsi_cc_c_insn, *movsi_ne): Likewise.
152 * config/arc/constraints.md (C2p, Uts, Cm1, Cm3, Ucd): New
154 (h, Rcd, Rsd, Rzd): New register constraints.
155 (T): Use compact_memory_operand_p function.
156 * config/arc/predicates.md (compact_load_memory_operand): Remove.
158 2016-05-02 Oleg Endo <olegendo@gcc.gnu.org>
160 * config/sh/sh.md (*negnegt, *movtt): Remove.
162 2016-05-02 Marek Polacek <polacek@redhat.com>
163 Tom de Vries <tom@codesourcery.com>
165 PR tree-optimization/70700
166 * tree-ssa-structalias.c (dump_pred_graph): Fix getting varinfo for ids
167 bigger than FIRST_REF_NODE.
169 2016-05-02 Oleg Endo <olegendo@gcc.gnu.org>
172 * config/sh/sh.c (sh_option_override): Remove TARGET_CBRANCHDI4,
174 (prepare_cbranch_operands): Don't use scratch register. Assume that
175 function is used when pseudos can be created.
176 (expand_cbranchdi4): Likewise. Remove unused TARGET_CMPEQDI_T paths.
177 * config/sh/sh.md (cbranchsi4): Allow only when pseudos can be created.
178 (cbranchdi4, cbranchdi4_i): Simplify to single cbranchdi4
179 define_expand. Allow it only when pseudos can be created.
180 * config/sh/sh.opt (mcbranchdi, mcmpeqdi): Delete.
182 2016-05-01 Uros Bizjak <ubizjak@gmail.com>
184 * config/i386/constraints.md (BC): Only allow -1 operands.
185 * config/i386/sse.md (mov<mode>_internal): Add (v,C) alternative.
186 Add "enabled" attribute. Update XI mode attribute calculation.
187 * config/i386/i386.md (*movxi_internal_avx512f): Add (v,C) alternative.
188 (*movoi_internal_avx): Update XI mode attribute calculation.
189 (*movti_internal): Ditto.
191 2016-05-01 Oleg Endo <olegendo@gcc.gnu.org>
193 * config/sh/sh.md (push, pop, ic_invalidate_line, cstoresi4, cstoredi4,
194 cstoresf4, cstoredf4, fix_truncsfsi2): Remove constraints.
196 2016-05-01 Eric Botcazou <ebotcazou@adacore.com>
198 * config/rs6000/rs6000.c (altivec_expand_lv_builtin): Do not use switch
199 statement on instruction code. Remove trailing spaces.
200 (altivec_expand_stv_builtin): Likewise.
202 2016-05-01 Oleg Endo <olegendo@gcc.gnu.org>
204 * config/sh/sh.h (TARGET_SH4): Remove and use default implementation.
205 (TARGET_FPU_DOUBLE): Simplify.
206 (BASE_ARG_REG, DOUBLE_TYPE_SIZE, OPTIMIZE_MODE_SWITCHING): Replace
207 'TARGET_SH4 || TARGET_SH2A_DOUBLE' conditions with 'TARGET_FPU_DOUBLE'.
208 * config/sh/sh.c: Replace 'TARGET_SH4 || TARGET_SH2A_DOUBLE' conditions
209 with 'TARGET_FPU_DOUBLE'.
210 * config/sh/sh.md: Likewise.
212 2016-05-01 Yoshinori Sato <ysato@users.sourceforge.jp>
214 * config/sh/linux.h (SH_DIV_STRATEGY_DEFAULT,
215 SH_DIV_STR_FOR_SIZE): Remove.
216 * config/sh/netbsd-elf.h (SH_DIV_STRATEGY_DEFAULT,
217 SH_DIV_STR_FOR_SIZE): Remove.
219 2016-05-01 Oleg Endo <olegendo@gcc.gnu.org>
221 * config/sh/predicates.md (any_register_operand, zero_extend_operand,
222 logical_reg_operand): Delete.
223 (arith_operand, arith_reg_dest, arith_or_int_operand, cmpsi_operand,
224 arith_reg_or_0_operand, arith_reg_or_0_or_1_operand, logical_operand,
225 logical_and_operand, movsrc_no_disp_mem_operand): Rewrite using
226 match_operand and match_test.
227 (sh_const_vec, sh_1el_vec): Remove redundant checks. Declare local
228 variables on their first use. Return bool values.
229 * config/sh/sh.h (LOAD_EXTEND_OP): Update comment.
230 * config/sh/sh.md (andsi3, iorsi3): Use arith_reg_dest for result and
231 arith_reg_operand for input operand. Remove empty constraints.
233 (*xorsi3_compact): Rename to xorsi3.
234 (zero_extend<mode>si2): Use arith_reg_operand for input operand.
235 (*zero_extend<mode>si2_disp_mem): Update comment.
238 2016-04-30 Oleg Endo <olegendo@gcc.gnu.org>
240 * config/sh/t-sh: Remove SH5 support.
241 * config.gcc: Likewise.
242 * configure: Likewise.
244 2016-04-30 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
246 * config/darwin.h (LINK_COMMAND_SPEC_A): Handle -fcilkplus.
248 2016-04-30 Oleg Endo <olegendo@gcc.gnu.org>
250 * config/sh/sh.c (register_sh_passes, sh_option_override,
251 sh_print_operand, prepare_move_operands,
252 sh_can_follow_jump): Remove TARGET_SH1 checks.
253 * config/sh/sh.h (TARGET_VARARGS_PRETEND_ARGS, VALID_REGISTER_P,
254 PROMOTE_MODE): Likewise.
255 * config/sh/sh.md (adddi3, addsi3, subdi3, subsi3, andsi3,
258 2016-04-30 Alan Modra <amodra@gmail.com>
260 * config/rs6000/rs6000.c (rs6000_savres_strategy): Force inline
261 restoring when fixed_reg_p, but allow out-of-line or stmw save.
262 Check for user regs later to avoid unnecessary looping over regs.
263 Merge user reg check with non-saved reg check. Don't force
264 inline VR restore when static chain used.
265 (rs6000_frame_related): Omit eh_frame info for user regs when
267 (fixed_regs_p): Delete.
269 2016-04-30 Alan Modra <amodra@gmail.com>
271 * config/rs6000/rs6000.c (SAVRES_MULTIPLE): Replace with..
272 (SAVE_STRATEGY, REST_STRATEGY): ..this. Renumber and sort enum.
275 2016-04-30 Alan Modra <amodra@gmail.com>
278 * config/rs6000/rs6000.c (fixed_reg_p): New function.
279 (fixed_regs_p): Rename from global_regs_p. Call fixed_reg_p.
282 2016-04-30 Alan Modra <amodra@gmail.com>
284 * config/rs6000/rs6000.c (rs6000_conditional_register_usage):
285 Remove redundant PIC_OFFSET_TABLE_REGNUM test. Replace with
286 flag_pic test for Darwin.
288 2016-04-30 Alan Modra <amodra@gmail.com>
290 * regs.h (struct reg_info_t): Delete freq_calls_crossed and
292 (REG_FREQ_CALLS_CROSSED): Delete.
293 (REG_N_THROWING_CALLS_CROSSED): Delete.
294 * regstat.c (regstat_bb_compute_ri): Don't calculate
295 REG_FREQ_CALLS_CROSSED and REG_N_THROWING_CALLS_CROSSED.
296 (dump_reg_info): Don't print call cross frequency.
297 * ira.c (combine_and_move_insns): Don't set REG_FREQ_CALLS_CROSSED
298 and REG_N_THROWING_CALLS_CROSSED.
300 2016-04-30 Alan Modra <amodra@gmail.com>
302 * regs.h (struct reg_info_t): Delete live_length.
303 (REG_LIVE_LENGTH): Delete macro.
304 * regstat.c (regstat_bb_compute_ri): Delete artificial_uses,
305 local_live, local_processed and local_live_last_luid params.
306 Replace bb_index param with bb. Don't set REG_LIVE_LENGTH.
308 (regstat_compute_ri): Adjust for above. Don't set
310 (dump_reg_info): Don't print live length.
311 * ira.c (update_equiv_regs): Replace test of REG_LIVE_LENGTH
312 with test of setjmp_crosses. Don't set REG_LIVE_LENGTH.
313 Localize loop_depth var.
315 2016-04-30 Alan Modra <amodra@gmail.com>
317 * ira.c (enum valid_equiv): New.
318 (validate_equiv_mem): Return enum.
319 (update_equiv_mem): Create replacement in more cases.
320 (add_store_equivs): Update validate_equiv_mem call.
322 2016-04-30 Alan Modra <amodra@gmail.com>
324 * ira.c (combine_and_move_insns): Rather than scanning insns,
325 use DF infrastucture to find use and def insns.
327 2016-04-30 Alan Modra <amodra@gmail.com>
329 ira.c (combine_and_move_insns): Move invariant conditions..
330 (ira.c): ..to here. Call combine_and_move_insns before
331 add_store_equivs. Call grow_reg_equivs later. Allocate
332 req_equiv later using max_reg_num() rather than global max_regno.
333 (contains_replace_regs): Delete.
334 (add_store_equivs): Remove contains_replace_regs test.
336 2016-04-30 Alan Modra <amodra@gmail.com>
338 * ira.c (struct equiv_mem_data): New.
339 (equiv_mem, equiv_mem_modified): Delete static vars.
340 (validate_equiv_mem_from_store): Use "data" param to communicate..
341 (validate_equiv_mem): ..from here.
343 2016-04-30 Alan Modra <amodra@gmail.com>
345 * ira.c (add_store_equivs, combine_and_move_insns): New functions,
347 (update_reg_equivs): ..here. Move allocation and freeing of
348 reg_equiv, and calls to grow_reg_equivs, init_alias_analysis,
349 end_alias_analysis to..
352 2016-04-30 Alan Modra <amodra@gmail.com>
354 * ira.c (pdx_subregs): Delete.
355 (struct equivalence): Add pdx_subregs field.
356 (set_paradoxical_subreg): Remove pdx_subregs param. Update
358 (update_equiv_regs): Don't create or free pdx_subregs. Update
361 2016-04-29 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
363 * config/rs6000/altivec.h: Change definitions of vec_xl and
365 * config/rs6000/rs6000-builtin.def (LD_ELEMREV_V2DF): New.
366 (LD_ELEMREV_V2DI): New.
367 (LD_ELEMREV_V4SF): New.
368 (LD_ELEMREV_V4SI): New.
369 (LD_ELEMREV_V8HI): New.
370 (LD_ELEMREV_V16QI): New.
371 (ST_ELEMREV_V2DF): New.
372 (ST_ELEMREV_V2DI): New.
373 (ST_ELEMREV_V4SF): New.
374 (ST_ELEMREV_V4SI): New.
375 (ST_ELEMREV_V8HI): New.
376 (ST_ELEMREV_V16QI): New.
379 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
380 descriptions for VSX_BUILTIN_VEC_XL and VSX_BUILTIN_VEC_XST.
381 * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Map from
382 TARGET_P9_VECTOR to RS6000_BTM_P9_VECTOR.
383 (altivec_expand_builtin): Add handling for
384 VSX_BUILTIN_ST_ELEMREV_<MODE> and VSX_BUILTIN_LD_ELEMREV_<MODE>.
385 (rs6000_invalid_builtin): Add error-checking for
386 RS6000_BTM_P9_VECTOR.
387 (altivec_init_builtins): Define builtins used to implement vec_xl
389 (rs6000_builtin_mask_names): Define power9-vector.
390 * config/rs6000/rs6000.h (MASK_P9_VECTOR): Define.
391 (RS6000_BTM_P9_VECTOR): Define.
392 (RS6000_BTM_COMMON): Include RS6000_BTM_P9_VECTOR.
393 * config/rs6000/vsx.md (vsx_ld_elemrev_v2di): New define_insn.
394 (vsx_ld_elemrev_v2df): Likewise.
395 (vsx_ld_elemrev_v4sf): Likewise.
396 (vsx_ld_elemrev_v4si): Likewise.
397 (vsx_ld_elemrev_v8hi): Likewise.
398 (vsx_ld_elemrev_v16qi): Likewise.
399 (vsx_st_elemrev_v2df): Likewise.
400 (vsx_st_elemrev_v2di): Likewise.
401 (vsx_st_elemrev_v4sf): Likewise.
402 (vsx_st_elemrev_v4si): Likewise.
403 (vsx_st_elemrev_v8hi): Likewise.
404 (vsx_st_elemrev_v16qi): Likewise.
405 * doc/extend.texi: Add prototypes for vec_xl and vec_xst. Correct
408 2016-04-29 Patrick Palka <ppalka@gcc.gnu.org>
410 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Split
412 (simplify_control_stmt_condition_1): ... here. Recurse into
413 BIT_AND_EXPRs and BIT_IOR_EXPRs.
415 2016-04-29 David Edelsohn <dje.gcc@gmail.com>
418 * config/rs6000/rs6000.md (EXTQI): Don't allow extension to HImode.
419 (zero_extendqi<mode>2_dot): Revert earlier conversion from
420 define_insn_and_split to define_insn.
421 (zero_extendqi<mode>2_dot2): Same.
422 (extendqi<mode>2_dot): Same.
423 (extendqi<mode>2_dot2): Same.
425 2016-04-29 Uros Bizjak <ubizjak@gmail.com>
427 * config/i386/i386.md (unspec): Add UNSPEC_PROBE_STACK.
428 (probe_stack): New expander.
429 (probe_stack_<mode>): New insn pattern.
431 2016-04-29 Uros Bizjak <ubizjak@gmail.com>
433 * config/i386/i386.md
434 (operations with memory inputs setting flags peephole2):
435 Remove uneeded REG_P checks. Cleanup pattern generation.
437 2016-04-29 Ilya Enkovich <ilya.enkovich@intel.com>
439 * tree-vect-loop.c (vect_transform_loop): Fix
440 nb_iterations_upper_bound computation for vectorized loop.
442 2016-04-29 Marek Polacek <polacek@redhat.com>
443 Jakub Jelinek <jakub@redhat.com>
446 * fold-const.c (tree_single_nonzero_warnv_p): For TARGET_EXPR, use
447 TARGET_EXPR_SLOT as a base.
449 2016-04-29 Andrew Burgess <andrew.burgess@embecosm.com>
451 * config/arc/arc.md (*loadqi_update): Replace use of 'rI' constraint
452 with 'rCm2' constraints to limit possible immediate size.
453 (*load_zeroextendqisi_update): Likewise.
454 (*load_signextendqisi_update): Likewise.
455 (*loadhi_update): Likewise.
456 (*load_zeroextendhisi_update): Likewise.
457 (*load_signextendhisi_update): Likewise.
458 (*loadsi_update): Likewise.
459 (*loadsf_update): Likewise.
461 2016-04-29 Uros Bizjak <ubizjak@gmail.com>
463 * config/i386/predicates.md (constm1_operand): Fix comparison.
465 2016-04-29 Claudiu Zissulescu <claziss@synopsys.com>
467 * testsuite/gcc.target/arc/ieee_eq.c: New test.
469 2016-04-29 Oleg Endo <olegendo@gcc.gnu.org>
471 * common/config/sh/sh-common.c (sh_option_optimization_table): Remove
472 remaining SH5 related settings.
473 * config/sh/sh-protos.h (shmedia_cleanup_truncate,
474 shmedia_prepare_call_address): Delete.
475 * config/sh/sh.c (sh_print_operand, output_stack_adjust,
476 DWARF_CIE_DATA_ALIGNMENT, LOCAL_ALIGNMENT): Update comments.
477 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC,
478 UNSUPPORTED_SH2A): Remove m5 checks.
479 (sh_divide_strategy_e): Remove SH5 division strategies.
480 (TARGET_PTRMEMFUNC_VBIT_LOCATION): Remove and use default.
481 * config/sh/sh.md (divsf3): Reinstate define_expand pattern.
483 2016-04-29 Dominik Vogt <vogt@linux.vnet.ibm.com>
485 * config/s390/s390.c (s390_rtx_costs): Update documentation.
487 2016-04-29 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
489 * config/s390/2964.md ("z13_unit_fxu", "z13_0"): Remove lder.
490 * config/s390/s390.md ("movsi_larl", "*movsi_esa", "mov<mode>"):
492 * config/s390/vector.md ("mov<mode>"): Likewise.
494 2016-04-29 Ulrich Weigand <uweigand@de.ibm.com>
496 * config/s390/constraints.md ("U", "W"): Invoke
497 s390_mem_constraint with "ZR" and "ZT".
498 * config/s390/s390.c (s390_check_qrst_address): Reject invalid
499 addresses when using LRA. Accept also short displacements for S
500 and T constraints. Do not check for long displacement target for
502 (s390_mem_constraint): Remove handling of U and W constraints.
503 * config/s390/s390.md (various patterns): Remove the short
504 displacement constraints (Q and R) if a long displacement
505 constraint is present. Add longdisp as required CPU capability.
506 * config/s390/vector.md: Likewise.
507 * config/s390/vx-builtins.md: Likewise.
509 2016-04-29 Senthil Kumar Selvaraj <senthil_kumar.selvaraj@atmel.com>
512 * reload1.c (reload): Call finish_spills before
513 restarting reload loop. Skip select_reload_regs
514 if update_eliminables_and_spill returns true.
516 2016-04-29 Claudiu Zissulescu <claziss@synopsys.com>
518 * config/arc/arc.h (UNSIGNED_INT12, UNSIGNED_INT16): Define.
519 * config/arc/arc.md (umulhisi3): Use arc_short_operand predicate.
520 (umulhisi3_imm): Update predicates and constraint letters.
521 (umulhisi3_reg): Declare instruction as commutative.
522 * config/arc/constraints.md (J12, J16): New constraints.
523 * config/arc/predicates.md (short_unsigned_const_operand): New
525 (arc_short_operand): Likewise.
526 * testsuite/gcc.target/arc/umulsihi3_z.c: New file.
528 2016-04-29 Richard Biener <rguenther@suse.de>
530 PR tree-optimization/13962
531 PR tree-optimization/65686
532 * tree-ssa-alias.h (ptrs_compare_unequal): Declare.
533 * tree-ssa-alias.c (ptrs_compare_unequal): New function
534 using PTA to compare pointers.
535 * match.pd: Add pattern for pointer equality compare simplification
536 using ptrs_compare_unequal.
538 2016-04-29 Richard Biener <rguenther@suse.de>
540 * stor-layout.c (layout_type): Do not build a pointer-to-element
543 2016-04-29 Uros Bizjak <ubizjak@gmail.com>
545 * config/i386/i386.md (Load+RegOp to Mov+MemOp peephole2):
546 Use SWI mode iterator. Use general_reg_operand predicate.
547 (Load+RegOp to Mov+MemOp peephole2 with vector regs): Split
548 peephole to MMX and SSE part. Use mmx_reg_operand and sse_reg_operand
551 2016-04-29 Jakub Jelinek <jakub@redhat.com>
554 * fold-const.c (operand_equal_p): Don't verify hash value equality
556 * tree.c (inchash::add_expr): Handle STATEMENT_LIST. Ignore BLOCK
559 2016-04-28 Jakub Jelinek <jakub@redhat.com>
562 * config/i386/i386.c (bdesc_special_args): Add | OPTION_MASK_ISA_64BIT
563 to __builtin_ia32_lwpval64 and __builtin_ia32_lwpins64.
564 (bdesc_args): Add | OPTION_MASK_ISA_64BIT to __builtin_ia32_bextr_u64,
565 __builtin_ia32_bextri_u64, __builtin_ia32_bzhi_di,
566 __builtin_ia32_pdep_di and __builtin_ia32_pext_di.
568 2016-04-28 Segher Boessenkool <segher@kernel.crashing.org>
570 * config/rs6000/rs6000.c (compute_save_world_info): Rename info_ptr
571 to info. Don't initialize separate fields to 0. Clean up
574 2016-04-28 Uros Bizjak <ubizjak@gmail.com>
576 * config/i386/i386.md (peephole2s for operations with memory inputs):
577 Use SWI mode iterator.
578 (peephole2s for operations with memory outputs): Ditto.
579 Do not check for stack checking probe.
581 (probe_stack): Remove expander.
583 2016-04-28 Joern Rennecke <joern.rennecke@embecosm.com>
584 Andrew Burgess <andrew.burgess@embecosm.com>
586 * config/arc/arc.c (arc_print_operand): Print integer 'H' / 'L'
589 2016-04-28 Jason Merrill <jason@redhat.com>
591 * gdbinit.in: Skip line-map.h.
593 2016-04-28 Joern Rennecke <joern.rennecke@embecosm.com>
594 Andrew Burgess <andrew.burgess@embecosm.com>
596 * config/arc/arc.c (arc_conditional_register_usage): Take
597 TARGET_RRQ_CLASS into account.
598 (arc_print_operand): Support printing 'p' and 's' operands.
599 * config/arc/arc.h (TARGET_NPS_BITOPS_DEFAULT): Provide default
601 (TARGET_RRQ_CLASS): Define.
602 (IS_POWEROF2_OR_0_P): Define.
603 * config/arc/arc.md (*movsi_insn): Add w/Clo, w/Chi, and w/Cbi
605 (*tst_movb): New define_insn.
606 (*tst): Avoid recognition if it could prevent '*tst_movb'
607 combination; replace c/CnL with c/Chs alternative.
608 (*tst_bitfield_tst): New define_insn.
609 (*tst_bitfield_asr): New define_insn.
610 (*tst_bitfield): New define_insn.
611 (andsi3_i): Add Rrq variant.
612 (extzv): New define_expand.
613 (insv): New define_expand.
614 (*insv_i): New define_insn.
615 (*movb): New define_insn.
616 (*movb_signed): New define_insn.
617 (*movb_high): New define_insn.
618 (*movb_high_signed): New define_insn.
619 (*movb_high_signed + 1): New define_split pattern.
620 (*mrgb): New define_insn.
621 (*mrgb + 1): New define_peephole2 pattern.
622 (*mrgb + 2): New define_peephole2 pattern.
623 * config/arc/arc.opt (mbitops): New option for nps400, uses
624 TARGET_NPS_BITOPS_DEFAULT.
625 * config/arc/constraints.md (q): Make register class conditional.
626 (Rrq): New register constraint.
627 (Chs): New constraint.
628 (Clo): New constraint.
629 (Chi): New constraint.
630 (Cbf): New constraint.
631 (Cbn): New constraint.
632 (C18): New constraint.
633 (Cbi): New constraint.
635 2016-04-28 Segher Boessenkool <segher@kernel.crashing.org>
637 * cfganal.c (bitmap_intersection_of_succs): Delete assert checking
639 (bitmap_intersection_of_preds): Ditto.
640 (bitmap_union_of_succs): Ditto.
641 (bitmap_union_of_preds): Ditto.
642 * sbitmap.c (do_popcount): Delete.
643 (BITMAP_DEBUGGING): Delete.
644 (sbitmap_verify_popcount): Delete.
645 (sbitmap_alloc): Don't initialize the popcount field.
646 (sbitmap_alloc_with_popcount): Delete.
647 (sbitmap_resize): Don't resize the popcount array.
648 (sbitmap_vector_alloc): Don't initialize the popcount field.
649 (bitmap_copy): Don't copy the popcount array.
650 (bitmap_clear): Don't clear the popcount array.
651 (bitmap_clear): Delete the popcount array handling.
652 (bitmap_ior_and_compl): Delete the popcount assert.
654 (bitmap_and_compl): Ditto.
655 (bitmap_and): Delete the popcount array handling.
658 (bitmap_or_and): Delete the popcount assert.
659 (bitmap_and_or): Ditto.
660 (popcount_table): Delete.
661 (sbitmap_elt_popcount): Delete.
662 * sbitmap.h (simple_bitmap_def): Delete the popcount field.
663 (bitmap_set_bit): Delete the popcount assert.
664 (bitmap_clear_bit): Ditto.
665 (sbitmap_free): Don't free the popcount array.
666 (sbitmap_alloc_with_popcount): Delete declaration.
667 (sbitmap_popcount): Ditto.
669 2016-04-28 Joern Rennecke <joern.rennecke@embecosm.com>
670 Andrew Burgess <andrew.burgess@embecosm.com>
672 * config/arc/arc.h (SYMBOL_FLAG_CMEM): Define.
673 (TARGET_NPS_CMEM_DEFAULT): Provide default definition.
674 * config/arc/arc.c (arc_address_cost): Return 0 for cmem_address.
675 (arc_encode_section_info): Set SYMBOL_FLAG_CMEM where indicated.
676 * config/arc/arc.opt (mcmem): New option.
677 * config/arc/arc.md (*extendqihi2_i): Add r/Uex alternative,
678 supply length for r/m alternative.
679 (*extendqisi2_ac): Likewise.
680 (*extendhisi2_i): Add r/Uex alternative, supply length for r/m and
682 (movqi_insn): Add r/Ucm and Ucm/?Rac alternatives.
683 (movhi_insn): Likewise.
684 (movsi_insn): Add r/Ucm,Ucm/w alternatives.
685 (*zero_extendqihi2_i): Add r/Ucm alternative.
686 (*zero_extendqisi2_ac): Likewise.
687 (*zero_extendhisi2_i): Likewise.
688 * config/arc/constraints.md (Uex): New memory constraint.
689 (Ucm): New define_constraint.
690 * config/arc/predicates.md (long_immediate_loadstore_operand):
691 Return 0 for MEM with cmem_address address.
692 (cmem_address_0): New predicates.
693 (cmem_address_1): Likewise.
694 (cmem_address_2): Likewise.
695 (cmem_address): Likewise.
697 2016-04-28 Segher Boessenkool <segher@kernel.crashing.org>
699 * config/rs6000/rs6000.c (machine_function): Rename
700 insn_chain_scanned_p to spe_insn_chain_scanned_p.
701 (rs6000_stack_info): Adjust.
703 2016-04-28 Joern Rennecke <joern.rennecke@embecosm.com>
704 Andrew Burgess <andrew.burgess@embecosm.com>
706 * config/arc/constraints.md (Usd): Convert to define_constraint.
710 2016-04-28 Jakub Jelinek <jakub@redhat.com>
713 * config/i386/sync.md (define_peephole2 *atomic_fetch_add_cmp<mode>):
714 Add new peephole2 where the first insn is *mov<mode>_or instead of
717 2016-04-28 Segher Boesssenkool <segher@kernel.crashing.org>
719 * tracer.c (bb_seen): Make static.
721 2016-04-28 Andrew Burgess <andrew.burgess@embecosm.com>
723 * common/config/arc/arc-common.c (arc_handle_option): Add NPS400
724 support, setup defaults.
725 * config/arc/arc-opts.h (enum processor_type): Add NPS400.
726 * config/arc/arc.c (arc_init): Add NPS400 support.
727 * config/arc/arc.h (CPP_SPEC): Add NPS400 defines.
728 (TARGET_ARC700): NPS400 is also an ARC700.
729 * config/arc/arc.opt: Add NPS400 options to -mcpu=.
731 2016-04-28 Segher Boessenkool <segher@kernel.crashing.org>
734 * config/nds32/nds32.md (casesi): Don't access the operands array
737 2016-04-28 Uros Bizjak <ubizjak@gmail.com>
739 * config/i386/i386.md (zeroing peephole2): Use general_reg_operand.
740 (or $-1,reg peephole2): Ditto.
741 (strict_low_part zeroing peephole2): Use SWI12 mode iterator.
743 2016-04-28 Markus Trippelsdorf <markus@trippelsdorf.de>
745 * doc/extend.texi (Common Function Attributes) [optimize]:
746 Discourage use of the optimize attribute.
748 2016-04-28 Bill Seurer <seurer@linux.vnet.ibm.com>
750 * config/rs6000/rs6000-builtin.def (vec_adde): Change vec_adde to a
751 special case builtin.
752 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Remove
753 ALTIVEC_BUILTIN_VEC_ADDE.
754 * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Add
755 support for ALTIVEC_BUILTIN_VEC_ADDE.
756 * config/rs6000/rs6000.c (altivec_init_builtins): Add definition
757 for __builtin_vec_adde.
759 2016-04-28 Jakub Jelinek <jakub@redhat.com>
761 * config/i386/i386.md (sse4_1_round<mode>2): Add avx512f alternative.
762 * config/i386/sse.md (sse4_1_round<ssescalarmodesuffix>): Likewise.
764 2016-04-28 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
767 * doc/sourcebuild.texi (Effective-Target Keywords, Other
768 attributes): Document cilkplus_runtime.
770 2016-04-28 Martin Jambor <mjambor@suse.cz>
772 * tree-cfg.c (verify_expr): Verify that local declarations belong to
773 this function. Call verify_expr on MEM_REFs and bases of other
776 2016-04-28 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
778 * internal-fn.c (expand_arith_overflow): Convert preprocessor check
779 for WORD_REGISTER_OPERATIONS to runtime check.
781 2016-04-28 Claudiu Zissulescu <claziss@synopsys.com>
783 * config/arc/arc.h (ASM_SPEC): Pass mfpuda to assembler.
785 2016-04-28 Claudiu Zissulescu <claziss@synopsys.com>
787 * config/arc/arc.c (arc_process_double_reg_moves): Fix for
788 big-endian compilation.
789 * config/arc/arc.md (addf3): Likewise.
793 2016-04-28 Richard Biener <rguenther@suse.de>
795 PR tree-optimization/70840
796 * match.pd: powi(-x, y) and powi(|x|,y) -> powi(x,y) if y is even;
797 Fix pow(copysign(x, y), z) -> pow(x, z) and add powi variant;
798 Mark x * pow(x,c) -> pow(x,c+1) commutative.
799 Add powi(x,y) * powi(z,y) -> powi(x*z,y).
801 2015-04-28 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
803 * config/aarch64/aarch64.h (WORD_REGISTER_OPERATIONS): Define to 0
804 and explain why in a comment.
806 2016-04-28 Claudiu Zissulescu <claziss@synopsys.com>
808 * config/arc/arc.md (cpu_facility): Add fpx variant.
809 (subdf3): Prohibit use reverse sub when assist operations option
811 * config/arc/fpx.md (subdf3_insn, *dsubh_peep2_insn): Allow drsub
812 instructions only when FPX is enabled.
813 * testsuite/gcc.target/arc/trsub.c: New test.
815 2016-04-28 Uros Bizjak <ubizjak@gmail.com>
817 * config/i386/i386.md (*fop_<mode>_1_mixed): Do not check for
818 mult_operator when calculating "type" attribute.
819 (*fop_<mode>_1_i387): Ditto.
820 (*fop_xf_1_i387): Ditto.
821 (x87 stack loads peephole2): Add "reg = op (mem, reg)" peephole2.
822 Use std::swap to swap operands. Use RTL expressions to generate
825 2016-04-28 Claudiu Zissulescu <claziss@synopsys.com>
826 Joern Rennecke <joern.rennecke@embecosm.com>
828 * config/arc/arc-protos.h (arc_legitimize_pic_address): Remove
830 (emit_pic_move): Remove.
831 (arc_eh_uses, insn_is_tls_gd_dispatch): Declare.
832 * config/arc/arc.c (emit_pic_move): Removed.
833 (TARGET_HAVE_TLS): Define.
834 (arc_conditional_register_usage): Test for arc_tp_regno.
835 (arc_print_operand, arc_print_operand_address): Handle TLS
837 (arc_needs_pcl_p): New function.
838 (arc_legitimate_pc_offset_p): Use arc_needs_pcl_p.
839 (arc_legitimate_pic_addr_p): Handle TLS unspecs.
840 (arc_raw_symbolic_reference_mentioned_p): Likewise.
841 (arc_get_tp, arc_emit_call_tls_get_addr): New function.
842 (arc_legitimize_tls_address): Likewise.
843 (DTPOFF_ZERO_SYM): Define.
844 (arc_legitimize_pic_address): Make it static, handle TLS cases.
845 (arc_output_pic_addr_const): Print TLS unspecs.
846 (prepare_pic_move): New function, replaces emit_pic_move.
847 (arc_legitimate_constant_p): Handle TLS unspecs.
848 (arc_legitimate_address_p): Likewise.
849 (arc_rewrite_small_data_p): Use assert for TLS constants.
850 (prepare_move_operands): Use prepare_pic_move.
851 (arc_legitimize_address): Legitimize tls addresses.
852 (arc_epilogue_uses): Check for arc_tp_regno.
853 (arc_eh_uses, insn_is_tls_gd_dispatch): New function.
854 * config/arc/arc.h [DEFAULT_LIBC != LIBC_UCLIBC] (EXTRA_SPECS):
856 [DEFAULT_LIBC != LIBC_UCLIBC] (ARC_TLS_EXTRA_START_SPEC):
858 [DEFAULT_LIBC != LIBC_UCLIBC] (STARTFILE_SPEC): Add
859 %(arc_tls_extra_start_spec).
860 (TARGET_CPU_CPP_BUILTINS): Define __ARC_TLS_REGNO__.
861 (REGNO_OK_FOR_BASE_P): Check for arc_tp_regno.
863 (INSN_REFERENCES_ARE_DELAYED): Use insn_is_tls_gd_dispatch.
864 * config/arc/arc.md (UNSPEC_TLS_GD, UNSPEC_TLS_LD, UNSPEC_TLS_IE)
865 (UNSPEC_TLS_OFF): Add.
867 (tls_load_tp_soft, tls_gd_load, tls_gd_get_addr, tls_gd_dispatch)
868 (get_thread_pointersi): New patterns.
869 * config/arc/arc.opt (mtp-regno): New option.
870 * config/arc/predicates.md (move_src_operand): Handle TLS symbols.
871 (move_dest_operand): Likewise.
872 * configure: Regenerate.
873 * configure.ac: Add arc*-*-* case to test for tls.
874 * doc/invoke.texi (ARC options): Document mtp-regno.
876 2016-04-28 Claudiu Zissulescu <claziss@synopsys.com>
878 * config/arc/arc.c (arc_vector_mode_supported_p): Add support for
879 the new ARC HS SIMD instructions.
880 (arc_preferred_simd_mode): New function.
881 (arc_autovectorize_vector_sizes): Likewise.
882 (TARGET_VECTORIZE_PREFERRED_SIMD_MODE)
883 (TARGET_VECTORIZE_AUTOVECTORIZE_VECTOR_SIZES): Define.
884 (arc_init_reg_tables): Accept new ARC HS SIMD modes.
885 (arc_init_builtins): Add new SIMD builtin types.
886 (arc_split_move): Handle 64 bit vector moves.
887 * config/arc/arc.h (TARGET_PLUS_DMPY, TARGET_PLUS_MACD)
888 (TARGET_PLUS_QMACW): Define.
889 * config/arc/builtins.def (QMACH, QMACHU, QMPYH, QMPYHU, DMACH)
890 (DMACHU, DMPYH, DMPYHU, DMACWH, DMACWHU, VMAC2H, VMAC2HU, VMPY2H)
891 (VMPY2HU, VADDSUB2H, VSUBADD2H, VADDSUB, VSUBADD, VADDSUB4H)
892 (VSUBADD4H): New builtins.
893 * config/arc/simdext.md: Add new ARC HS SIMD instructions.
894 * testsuite/gcc.target/arc/builtin_simdarc.c: New file.
896 2016-04-28 Eduard Sanou <dhole@openmailbox.org>
897 Matthias Klose <doko@debian.org>
899 * doc/cppenv.texi: Document SOURCE_DATE_EPOCH environment variable.
901 2016-04-28 Richard Biener <rguenther@suse.de>
904 * fold-const.c (fold_binary_loc): Remove x*x to pow(x,2.0)
907 2016-04-28 Oleg Endo <olegendo@gcc.gnu.org>
909 * common/config/sh/sh-common.c: Remove SH5 support.
910 * config/sh/constraints.md: Likewise.
911 * config/sh/config/sh/elf.h: Likewise.
912 * config/sh/linux.h: Likewise.
913 * config/sh/netbsd-elf.h: Likewise.
914 * config/sh/predicates.md: Likewise.
915 * config/sh/sh-c.c: Likewise.
916 * config/sh/sh-protos.h: Likewise.
917 * config/sh/sh.c: Likewise.
918 * config/sh/sh.h: Likewise.
919 * config/sh/sh.md: Likewise.
920 * config/sh/sh.opt: Likewise.
921 * config/sh/sync.md: Likewise.
922 * config/sh/sh64.h: Delete.
923 * config/sh/shmedia.h: Likewise.
924 * config/sh/shmedia.md: Likewise.
925 * config/sh/sshmedia.h: Likewise.
926 * config/sh/t-netbsd-sh5-64: Likewise.
927 * config/sh/t-sh64: Likewise.
928 * config/sh/ushmedia.h: Likewise.
930 2016-04-28 Uros Bizjak <ubizjak@gmail.com>
932 * config/i386/i386.md (sign_extend to memory peephole2s): Use
933 general_reg_operand instead of register_operand predicate.
935 2016-04-27 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
937 * params.def (MIN_PARTITION_SIZE): Set default value to 10000.
939 2016-04-27 Marc Glisse <marc.glisse@inria.fr>
941 * match.pd (A - B > A, A + B < A): New transformations.
943 2016-04-27 Patrick Palka <ppalka@gcc.gnu.org>
945 * genattrtab.c (write_test_expr): New parameter EMIT_PARENS
946 which defaults to true. Emit an outer pair of parentheses only if
947 EMIT_PARENS. When continuing a chain of && or || (or & or |),
948 don't emit parentheses for the right-hand operand.
950 2016-04-27 Jeff Law <law@redhat.com>
952 * tree-ssa-dom.c (record_temporary_equivalences): Fix typo in comment.
954 2016-04-27 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
956 * config/rs6000/altivec.md (altivec_lvx_<mode>): Remove.
957 (altivec_lvx_<mode>_internal): Document.
958 (altivec_lvx_<mode>_2op): New define_insn.
959 (altivec_lvx_<mode>_1op): Likewise.
960 (altivec_lvx_<mode>_2op_si): Likewise.
961 (altivec_lvx_<mode>_1op_si): Likewise.
962 (altivec_stvx_<mode>): Remove.
963 (altivec_stvx_<mode>_internal): Document.
964 (altivec_stvx_<mode>_2op): New define_insn.
965 (altivec_stvx_<mode>_1op): Likewise.
966 (altivec_stvx_<mode>_2op_si): Likewise.
967 (altivec_stvx_<mode>_1op_si): Likewise.
968 * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
969 Expand vec_ld and vec_st during parsing.
970 * config/rs6000/rs6000.c (altivec_expand_lvx_be): Commentary
972 (altivec_expand_stvx_be): Likewise.
973 (altivec_expand_lv_builtin): Expand lvx built-ins to expose the
974 address-masking behavior in RTL.
975 (altivec_expand_stv_builtin): Expand stvx built-ins to expose the
976 address-masking behavior in RTL.
977 (altivec_expand_builtin): Change builtin code arguments for calls
978 to altivec_expand_stv_builtin and altivec_expand_lv_builtin.
979 (insn_is_swappable_p): Avoid incorrect swap optimization in the
980 presence of lvx/stvx patterns.
981 (alignment_with_canonical_addr): New function.
982 (alignment_mask): Likewise.
983 (find_alignment_op): Likewise.
984 (recombine_lvx_pattern): Likewise.
985 (recombine_stvx_pattern): Likewise.
986 (recombine_lvx_stvx_patterns): Likewise.
987 (rs6000_analyze_swaps): Perform a pre-pass to recognize lvx and
988 stvx patterns from expand.
989 * config/rs6000/vector.md (vector_altivec_load_<mode>): Use new
991 (vector_altivec_store_<mode>): Likewise.
993 2016-04-26 Evandro Menezes <e.menezes@samsung.com>
995 * config/aarch64/aarch64.md
996 (*movhf_aarch64): Add "movi %0, #0" to zero up register and
997 remove the "fp" attributes.
998 (*movsf_aarch64): Add "movi %0, #0" to zero up register and
999 add the "simd" attributes.
1000 (*movdf_aarch64): Likewise.
1001 (*movtf_aarch64): Remove the "fp" attributes.
1002 * testsuite/gcc.target/aarch64/fmovf-zero-reg.c: Update accordingly.
1003 * testsuite/gcc.target/aarch64/fmovd-zero-reg.c: Likewise.
1005 2016-04-27 David Malcolm <dmalcolm@redhat.com>
1007 * emit-rtl.c (maybe_set_first_label_num): Strengthen param from
1008 rtx to rtx_code_label *.
1009 * rtl.h (maybe_set_first_label_num): Likewise.
1011 2016-04-27 David Malcolm <dmalcolm@redhat.com>
1013 * df-core.c (df_add_problem): Make the problem param be const.
1014 (df_remove_problem): Make local "problem" be const.
1015 * df-problems.c (problem_RD): Make const.
1016 (problem_LR): Likewise.
1017 (problem_LIVE): Likewise.
1018 (problem_MIR): Likewise.
1019 (problem_CHAIN): Likewise.
1020 (problem_WORD_LR): Likewise.
1021 (problem_NOTE): Likewise.
1022 (problem_MD): Likewise.
1023 * df-scan.c (problem_SCAN): Likewise.
1024 * df.h (struct df_problem): Make field "dependent_problem" be
1026 (struct dataflow): Likewise for field "problem".
1027 (df_add_problem): Make param const.
1029 2016-04-27 Uros Bizjak <ubizjak@gmail.com>
1031 * config/i386/i386.c (ix86_spill_class): Enable for TARGET_SSE2 when
1032 inter-unit moves to/from vector registers are enabled. Do not disable
1035 2016-04-27 David Malcolm <dmalcolm@redhat.com>
1037 * df.h (DF_SCAN, DF_LR, DF_LIVE, DF_RD, DF_CHAIN, DF_WORD_LR,
1038 DF_NOTE, DF_MD, DF_MIR, DF_LAST_PROBLEM_PLUS1): Convert from
1040 (enum df_problem_id): ...this new enum.
1041 (struct df_problem): Convert field "id" from "int" to
1044 2016-04-27 David Malcolm <dmalcolm@redhat.com>
1046 * rtl.def: Update comment for "things in the instruction chain" to
1047 reflect the removal of the leading "i" field for INSN_UID in
1048 r210360. Fix bogus apostrophe.
1050 2016-04-27 Uros Bizjak <ubizjak@gmail.com>
1052 * config/i386/i386.md
1053 (lea arith with mem operand + setcc peephole2): Set operator mode.
1055 2016-04-27 H.J. Lu <hongjiu.lu@intel.com>
1058 * config/i386/i386.c (scalar_to_vector_candidate_p): Renamed to ...
1059 (dimode_scalar_to_vector_candidate_p): This.
1060 (timode_scalar_to_vector_candidate_p): New function.
1061 (scalar_to_vector_candidate_p): Likewise.
1062 (timode_check_non_convertible_regs): Likewise.
1063 (timode_remove_non_convertible_regs): Likewise.
1064 (remove_non_convertible_regs): Likewise.
1065 (remove_non_convertible_regs): Renamed to ...
1066 (dimode_remove_non_convertible_regs): This.
1067 (scalar_chain::~scalar_chain): Make it virtual.
1068 (scalar_chain::compute_convert_gain): Make it pure virtual.
1069 (scalar_chain::mark_dual_mode_def): Likewise.
1070 (scalar_chain::convert_insn): Likewise.
1071 (scalar_chain::convert_registers): Likewise.
1072 (scalar_chain::add_to_queue): Make it protected.
1073 (scalar_chain::emit_conversion_insns): Likewise.
1074 (scalar_chain::replace_with_subreg): Likewise.
1075 (scalar_chain::replace_with_subreg_in_insn): Likewise.
1076 (scalar_chain::convert_op): Likewise.
1077 (scalar_chain::convert_reg): Likewise.
1078 (scalar_chain::make_vector_copies): Likewise.
1079 (scalar_chain::convert_registers): New pure virtual function.
1080 (class dimode_scalar_chain): New class.
1081 (class timode_scalar_chain): Likewise.
1082 (scalar_chain::mark_dual_mode_def): Renamed to ...
1083 (dimode_scalar_chain::mark_dual_mode_def): This.
1084 (timode_scalar_chain::mark_dual_mode_def): New function.
1085 (timode_scalar_chain::convert_insn): Likewise.
1086 (dimode_scalar_chain::convert_registers): Likewise.
1087 (scalar_chain::compute_convert_gain): Renamed to ...
1088 (dimode_scalar_chain::compute_convert_gain): This.
1089 (scalar_chain::replace_with_subreg): Renamed to ...
1090 (dimode_scalar_chain::replace_with_subreg): This.
1091 (scalar_chain::replace_with_subreg_in_insn): Renamed to ...
1092 (dimode_scalar_chain::replace_with_subreg_in_insn): This.
1093 (scalar_chain::make_vector_copies): Renamed to ...
1094 (dimode_scalar_chain::make_vector_copies): This.
1095 (scalar_chain::convert_reg): Renamed to ...
1096 (dimode_scalar_chain::convert_reg ): This.
1097 (scalar_chain::convert_op): Renamed to ...
1098 (dimode_scalar_chain::convert_op): This.
1099 (scalar_chain::convert_insn): Renamed to ...
1100 (dimode_scalar_chain::convert_insn): This.
1101 (scalar_chain::convert): Call convert_registers.
1102 (convert_scalars_to_vector): Change to scalar_chain pointer to
1103 use timode_scalar_chain in 64-bit mode and dimode_scalar_chain
1104 in 32-bit mode. Delete scalar_chain pointer. Call
1105 free_dominance_info in 64-bit mode.
1106 (pass_stv::gate): Remove TARGET_64BIT check.
1107 (ix86_option_override): Put the 64-bit STV pass before the CSE
1110 2016-04-27 Pierre-Marie de Rodat <derodat@adacore.com>
1112 * dwarf2out.h (struct dw_loc_descr_node): Remove the
1113 dw_loc_frame_offset field.
1114 * dwarf2out.c (new_loc_descr): Likewise.
1115 (resolve_args_picking_1): Turn the VISITED hash set into a
1116 FRAME_OFFSET hash map. Use it to associate a frame offset to
1117 visited nodes. Remove uses of the CHECKING_P macro.
1118 (resolve_args_picking): Update call to resolve_args_picking_1.
1120 2016-04-27 Martin Liska <mliska@suse.cz>
1122 * tree-ssa-loop-ivopts.c (iv_ca_dump): Fix level of indentation.
1123 (free_loop_data): Release vuses of groups.
1125 2016-04-27 Bin Cheng <bin.cheng@arm.com>
1127 * tree-ssa-loop-ivopts.c (struct iv): Use pointer to struct iv_use
1128 instead of redundant use_id and boolean have_use_for.
1129 (struct iv_use): Change sub_id into group_id. Remove field next.
1130 Move fields: related_cands, n_map_members, cost_map and selected
1132 (struct iv_group): ... here. New structure.
1133 (struct iv_common_cand): Use structure declaration directly.
1134 (struct ivopts_data, iv_ca, iv_ca_delta): Rename fields.
1135 (MAX_CONSIDERED_USES): Rename macro to ...
1136 (MAX_CONSIDERED_GROUPS): ... here.
1137 (n_iv_uses, iv_use, n_iv_cands, iv_cand): Delete.
1138 (dump_iv, dump_use, dump_cand): Refactor format of dump information.
1139 (dump_uses): Rename to ...
1140 (dump_groups): ... here. Update all uses.
1141 (tree_ssa_iv_optimize_init, alloc_iv): Update all uses.
1142 (find_induction_variables): Refactor format of dump information.
1143 (record_sub_use): Delete.
1144 (record_use): Update all uses.
1145 (record_group): New function.
1146 (record_group_use, find_interesting_uses_op): Call above functions.
1148 (find_interesting_uses_cond): Ditto.
1149 (group_compare_offset): New function.
1150 (split_all_small_groups): Rename to ...
1151 (split_small_address_groups_p): ... here. Update all uses.
1152 (split_address_groups): Update all uses.
1153 (find_interesting_uses): Refactor format of dump information.
1154 (add_candidate_1): Update all uses. Remove redundant check on iv,
1156 (add_candidate, record_common_cand): Remove redundant assert.
1157 (add_iv_candidate_for_biv): Update use.
1158 (add_iv_candidate_derived_from_uses): Update all uses.
1159 (add_iv_candidate_for_groups, record_important_candidates): Ditto.
1160 (alloc_use_cost_map): Ditto.
1161 (set_use_iv_cost, get_use_iv_cost): Rename to ...
1162 (set_group_iv_cost, get_group_iv_cost): ... here. Update all uses.
1163 (determine_use_iv_cost_generic): Ditto.
1164 (determine_group_iv_cost_generic): Ditto.
1165 (determine_use_iv_cost_address): Ditto.
1166 (determine_group_iv_cost_address): Ditto.
1167 (determine_use_iv_cost_condition): Ditto.
1168 (determine_group_iv_cost_cond): Ditto.
1169 (determine_use_iv_cost): Ditto.
1170 (determine_group_iv_cost): Ditto.
1171 (set_autoinc_for_original_candidates): Update all uses.
1172 (find_iv_candidates): Update all uses. Refactor dump information.
1173 (determine_use_iv_costs): Ditto.
1174 (determine_iv_costs): Ditto.
1175 (iv_ca_cand_for_use): Rename to ...
1176 (iv_ca_cand_for_group): ... here. Update all uses.
1177 (iv_ca_add_use, iv_ca_add_group): Ditto.
1178 (iv_ca_set_cp, iv_ca_cost, iv_ca_delta_add): Update all uses.
1179 (iv_ca_delta_join, iv_ca_delta_reverse, iv_ca_delta_free): Ditto.
1180 (iv_ca_new, iv_ca_dump, iv_ca_extend, iv_ca_narrow): Ditto.
1181 (iv_ca_prune, cheaper_cost_with_cand, iv_ca_replace): Ditto.
1182 (try_add_cand_for, try_improve_iv_set, find_optimal_iv_set): Ditto.
1183 (create_new_iv, adjust_iv_update_pos): Ditto.
1184 (rewrite_use_address): Delete.
1185 (rewrite_use_address_1): Rename to ...
1186 (rewrite_use_address): ... here.
1187 (rewrite_use_compare): Update all uses.
1188 (rewrite_use): Delete.
1189 (rewrite_uses): Rename to ...
1190 (rewrite_groups): ... here. Update all uses.
1191 (remove_unused_ivs, free_loop_data): Update all uses.
1192 (tree_ssa_iv_optimize_finalize, tree_ssa_iv_optimize_loop): Ditto.
1194 2016-04-27 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1196 * rtlanal.c (nonzero_bits1): Convert preprocessor check
1197 for WORD_REGISTER_OPERATIONS to runtime check.
1199 2016-04-27 Richard Biener <rguenther@suse.de>
1202 * tree-ssa-structalias.c (find_func_aliases_for_call): Use
1203 aggregate_value_p to determine if a function result is
1204 returned by reference.
1205 (ipa_pta_execute): Functions having their address taken are
1206 not automatically nonlocal.
1208 2016-04-27 Jakub Jelinek <jakub@redhat.com>
1211 * tree-core.h (enum operand_equal_flag): Add OEP_NO_HASH_CHECK.
1212 * fold-const.c (operand_equal_p): If flag_checking and
1213 OEP_NO_HASH_CHECK is not set in flag, recurse with OEP_NO_HASH_CHECK
1214 and if it returns non-zero, assert iterative_hash_expr on both
1217 2016-04-27 Bernd Schmidt <bschmidt@redhat.com>
1219 * doc/invoke.texi (-frename-registers): Also enabled at -Os.
1221 2016-04-27 Nick Clifton <nickc@redhat.com>
1224 * varasm.c (merge_weak): Generate an error if an attempt is made
1225 to convert a non-weak static function into a weak, public function.
1227 2016-04-27 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
1229 * params.def (MAX_PARTITION_SIZE): New param.
1230 * doc/invoke.texi: Document lto-max-partition.
1232 2016-04-27 Richard Biener <rguenther@suse.de>
1235 * tree-ssa-structalias.c (refered_from_nonlocal_fn): New
1236 function cummulating used_from_other_partition, externally_visible
1237 and force_output from aliases.
1238 (refered_from_nonlocal_var): Likewise.
1239 (ipa_pta_execute): Use call_for_symbol_and_aliases to cummulate
1240 node flags properly.
1242 2016-04-27 Bernd Schmidt <bschmidt@redhat.com>
1244 * doc/invoke.texi (Warning Options): Add -Wmemset-elt-size.
1245 (-Wmemset-elt-size): New item.
1247 2016-04-27 Eric Botcazou <ebotcazou@adacore.com>
1250 * stor-layout.h (internal_reference_types): Delete.
1251 * stor-layout.c (reference_types_internal): Likewise.
1252 (internal_reference_types): Likewise.
1253 (layout_type) <REFERENCE_TYPE>: Adjust.
1255 2016-04-27 Jakub Jelinek <jakub@redhat.com>
1258 * tree.h (inchash::add_expr): Add FLAGS argument.
1259 * tree.c (inchash::add_expr): Likewise. If not OEP_ADDRESS_OF,
1260 use STRIP_NOPS first. For INTEGER_CST assert not OEP_ADDRESS_OF.
1261 For REAL_CST and !HONOR_SIGNED_ZEROS (t) hash +/- 0 the same.
1262 Formatting fix. Adjust recursive calls. For tcc_comparison,
1263 if swap_tree_comparison (code) is smaller than code, hash that
1264 and arguments in the other order. Hash CONVERT_EXPR the same
1265 as NOP_EXPR. For OEP_ADDRESS_OF hash MEM_REF with 0 offset
1266 of ADDR_EXPR of decl as the decl itself. Add or remove
1267 OEP_ADDRESS_OF from recursive flags as needed. For
1268 FMA_EXPR, WIDEN_MULT_{PLUS,MINUS}_EXPR hash the first two
1269 operands commutatively and only the third one normally.
1270 For internal CALL_EXPR hash in CALL_EXPR_IFN.
1272 2016-04-27 Sebastian Huber <sebastian.huber@embedded-brains.de>
1274 * config/rtems.h (LIB_SPEC): Add -latomic.
1276 2016-04-27 Joel Sherrill <joel@rtems.org>
1278 * config/microblaze/rtems.h: Redefine LINK_SPEC to avoid
1279 xilink.ld and flags not relevant to RTEMS.
1281 2016-04-26 Zhouyi Zhou <yizhouzhou@ict.ac.cn>
1283 * toplev.c (backend_init_target): Avoid calling init_reload when using
1286 2016-04-26 Jakub Jelinek <jakub@redhat.com>
1288 * reorg.c (try_merge_delay_insns): Declare i and j inside the
1289 for loops rather than one for the whole function.
1291 2016-04-26 Marc Glisse <marc.glisse@inria.fr>
1293 * match.pd (X + CST CMP X): New transformation.
1295 2016-04-26 Marc Glisse <marc.glisse@inria.fr>
1297 * genmatch.c (write_predicate): Add ATTRIBUTE_UNUSED.
1298 * fold-const.c (fold_binary_loc): Remove 2 transformations
1299 superseded by match.pd.
1300 * match.pd (x+x -> x*2): Generalize to integers.
1302 2016-04-26 Bernd Schmidt <bschmidt@redhat.com>
1304 * config/i386/i386.md (operation on memory peephole): Duplicate an
1305 existing peephole and adapt it to match lea rather than an operation
1308 PR rtl-optimization/57193
1309 * opts.c (default_options_table): Add OPT_frename_registers at -O2
1311 * doc/invoke.texi (-frename-registers, -O2): Update documentation.
1313 2016-04-26 Bin Cheng <bin.cheng@arm.com>
1315 * tree-if-conv.c (any_pred_load_store): New static variable.
1316 (if_convertible_gimple_assign_stmt_p): Remove parameter. Use
1317 any_pred_load_store instead of and_mask_load_store.
1318 (if_convertible_stmt_p, if_convertible_loop_p_1): Ditto.
1319 (if_convertible_loop_p, insert_gimplified_predicates): Ditto.
1320 (combine_blocks, tree_if_conversion): Ditto.
1322 2016-04-26 Bin Cheng <bin.cheng@arm.com>
1324 PR tree-optimization/70771
1325 PR tree-optimization/70775
1326 * tree-if-conv.c (if_convertible_phi_p): Remove check on special
1327 virtual PHI nodes. Delete parameter.
1328 (if_convertible_loop_p_1): Delete argument to above function.
1329 (predicate_all_scalar_phis): Delete code handling single-argument
1331 (tree_if_conversion): Mark and update virtual SSA.
1333 2016-04-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1336 * config/i386/i386.c (LARGECOMM_SECTION_ASM_OP): Define default.
1337 (x86_elf_aligned_common): Rename to ...
1338 (x86_elf_aligned_decl_common): ... this.
1339 Add decl arg. Switch to .lbss for largecomm object. Use
1340 LARGECOMM_SECTION_ASM_OP.
1341 * config/i386/i386-protos.h (x86_elf_aligned_common): Reflect
1343 * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_COMMON): Rename to ...
1344 (ASM_OUTPUT_ALIGNED_DECL_COMMON): ... this.
1346 * config/i386/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
1347 [!USE_GAS] (LARGECOMM_SECTION_ASM_OP): Define.
1349 2016-04-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1352 * config/i386/i386.c (SECTION_LARGE): Define.
1353 (x86_64_elf_select_section): Set it for large data/bss sections.
1354 Only clear SECTION_WRITE for .lrodata.
1355 (x86_64_elf_section_type_flags): Set SECTION_LARGE for large
1357 * config/i386/sol2.h (MACH_DEP_SECTION_ASM_FLAG): Define.
1358 * varasm.c (default_elf_asm_named_section): Grow flagchars.
1359 [MACH_DEP_SECTION_ASM_FLAG] Emit MACH_DEP_SECTION_ASM_FLAG for
1361 * doc/tm.texi.in (Sections, MACH_DEP_SECTION_ASM_FLAG): Describe.
1362 * doc/tm.texi: Regenerate.
1364 2016-04-26 Jakub Jelinek <jakub@redhat.com>
1367 * configure.ac (--enable-checking): Document extra flag, for
1368 non-release builds default to --enable-checking=yes,extra.
1369 If misc checking and extra checking, define CHECKING_P to 2 instead
1371 * common.opt (fchecking=): Add.
1372 * doc/invoke.texi (-fchecking=): Document.
1373 * doc/install.texi: Document --enable-checking changes.
1374 * configure: Regenerated.
1375 * config.in: Regenerated.
1377 2016-04-25 Uros Bizjak <ubizjak@gmail.com>
1379 * config/i386/i386.md (*movxi_internal_avx512f): Use insn type
1380 attribute instead of which_alternative.
1381 * config/i386/sse.md (*mov<mode>_internal): Ditto.
1382 Use EXT_REX_SSE_REG_P where appropriate.
1384 2016-04-25 Uros Bizjak <ubizjak@gmail.com>
1386 * config/i386/predicates.md (const0_operand): Do not match
1387 const_wide_int code.
1388 (const1_operand): Ditto.
1390 2016-04-25 Uros Bizjak <ubizjak@gmail.com>
1392 * config/i386/i386.md (*movoi_internal_avx): Set mode attribute to XI
1393 for SSE constm1 operands and TARGET_AVX512VL.
1394 (*movti_internal): Ditto.
1395 (*mov<mode>_or): Use constm1_operand predicate.
1396 * config/i386/sse.md (*mov<mode>_internal): Set mode attribute to XI
1397 for SSE vector_all_ones operands and TARGET_AVX512VL.
1398 * config/i386/predicates.md (constm1_operand): New predicate.
1399 * config/i386/i386.c (standard_sse_constant_opcode): Simplify
1400 emission of constant -1 load.
1402 2016-04-25 Jason Merrill <jason@redhat.com>
1404 * gdbinit.in: Skip is-a.h.
1406 * attribs.c (register_scoped_attributes): Fix logic.
1407 * attribs.h: Declare register_scoped_attributes.
1409 2016-04-25 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1411 * config/rs6000/rs6000-builtin.def: Correct pasto error for
1412 stxvd2x and stxvw4x built-in functions.
1414 2016-04-25 DJ Delorie <dj@redhat.com>
1416 * config/msp430/msp430.md (ashlhi3): Optimize one bit shifts.
1417 (ashrhi3): Likewise.
1418 (lshrhi3): Likewise.
1420 2016-04-25 Richard Biener <rguenther@suse.de>
1422 PR tree-optimization/70780
1423 * tree-ssa-pre.c (compute_antic_aux): Also return true if the block
1425 (compute_antic): Mark blocks with abnormal preds as visited as
1426 they have a final empty antic-in solution already.
1428 2016-04-25 Michael Collison <michael.collison@linaro.org>
1430 * ChangeLog(2016-04-25): Fix ChangeLog formatting.
1432 2016-04-25 Michael Collison <michael.collison@linaro.org>
1434 * config/arm/neon.md (widen_<us>sum<mode>): New patterns where
1435 mode is VQI to improve mixed mode vectorization.
1436 * config/arm/neon.md (vec_sel_widen_ssum_lo<VQI:mode><VW:mode>3): New
1437 define_insn to match low half of signed vaddw.
1438 * config/arm/neon.md (vec_sel_widen_ssum_hi<VQI:mode><VW:mode>3): New
1439 define_insn to match high half of signed vaddw.
1440 * config/arm/neon.md (vec_sel_widen_usum_lo<VQI:mode><VW:mode>3): New
1441 define_insn to match low half of unsigned vaddw.
1442 * config/arm/neon.md (vec_sel_widen_usum_hi<VQI:mode><VW:mode>3): New
1443 define_insn to match high half of unsigned vaddw.
1444 * config/arm/arm.c (arm_simd_vect_par_cnst_half): New function.
1445 (arm_simd_check_vect_par_cnst_half_p): Likewise.
1446 * config/arm/arm-protos.h (arm_simd_vect_par_cnst_half): Prototype
1448 (arm_simd_check_vect_par_cnst_half_p): Likewise.
1449 * config/arm/predicates.md (vect_par_constant_high): Support
1450 big endian and simplify by calling
1451 arm_simd_check_vect_par_cnst_half
1452 (vect_par_constant_low): Likewise.
1454 2016-04-25 Uros Bizjak <ubizjak@gmail.com>
1456 * config/i386/i386.md (*lea<mode>_general_4): Use const_0_to_3_operand
1457 predicate for operand 2.
1459 2016-04-24 Uros Bizjak <ubizjak@gmail.com>
1460 H.J. Lu <hongjiu.lu@intel.com>
1462 * config/i386/i386-protos.h (standard_sse_constant_p): Add
1463 machine_mode argument.
1464 * config/i386/i386.c (standard_sse_constant_p): Return 2 for
1465 constm1_rtx operands. For VOIDmode constants, get mode from
1466 pred_mode. Check mode size if the mode is supported by ABI.
1467 (standard_sse_constant_opcode): Do not use standard_constant_p.
1468 Strictly check ABI support for all-ones operands.
1469 (ix86_legitimate_constant_p): Handle TImode, OImode and XImode
1470 immediates. Update calls to standard_sse_constant_p.
1471 (ix86_expand_vector_move): Update calls to standard_sse_constant_p.
1472 (ix86_rtx_costs): Ditto.
1473 * config/i386/i386.md (*movxi_internal_avx512f): Use
1474 nonimmediate_or_sse_const_operand instead of vector_move_operand.
1475 Use (v,BC) alternative instead of (v,C). Use register_operand
1476 checks instead of MEM_P.
1477 (*movoi_internal_avx): Use nonimmediate_or_sse_const_operand instead
1478 of vector_move_operand. Add (v,BC) alternative and corresponding avx2
1479 isa attribute. Use register_operand checks instead of MEM_P.
1480 (*movti_internal): Use nonimmediate_or_sse_const_operand for
1481 TARGET_SSE. Improve TARGET_SSE insn constraint. Add (v,BC)
1482 alternative and corresponding sse2 isa attribute.
1483 (*movtf_internal, *movdf_internal, *movsf_interal): Update calls
1484 to standard_sse_constant_p.
1485 (FP constant splitters): Ditto.
1486 * config/i386/constraints.md (BC): Do not use standard_sse_constant_p.
1488 * config/i386/predicates.md (constm1_operand): Remove.
1489 (nonimmediate_or_sse_const_operand): Rewrite using RTX.
1490 * config/i386/sse.md (*<avx512>_cvtmask2<ssemodesuffix><mode>): Use
1491 vector_all_ones_operand instead of constm1_operand.
1493 2016-04-24 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
1495 * print-rtl.c (print_rtx_insn_vec): New function.
1496 * print-rtl.h: New prototype.
1497 * store-motion.c (struct st_expr): Make avail_stores a vector.
1498 (st_expr_entry): Adjust.
1499 (free_st_expr_entry): Likewise.
1500 (print_store_motion_mems): Likewise.
1501 (find_moveable_store): Likewise.
1502 (compute_store_table): Likewise.
1503 (delete_store): Likewise.
1504 (build_store_vectors): Likewise.
1506 2016-04-24 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
1508 * reorg.c (try_merge_delay_insns): Make merged_insns a vector.
1510 2016-04-24 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
1512 * vec.h (vec_safe_contains): New function.
1513 (vec::contains): Likewise.
1514 (vec::begin): Likewise.
1515 (vec::end): Likewise.
1517 2016-04-23 Jakub Jelinek <jakub@redhat.com>
1520 * cfgexpand.c (expand_stack_vars): Fix typo.
1522 2016-04-22 Szabolcs Nagy <szabolcs.nagy@arm.com>
1524 * system.h (list, map, set, vector): Include conditionally.
1525 * auto-profile.c (INCLUDE_MAP, INCLUDE_SET): Define.
1526 * graphite-isl-ast-to-gimple.c (INCLUDE_MAP): Define.
1527 * ipa-icf.c (INCLUDE_LIST): Define.
1528 * config/aarch64/cortex-a57-fma-steering.c (INCLUDE_LIST): Define.
1529 * config/sh/sh.c (INCLUDE_VECTOR): Define.
1530 * config/sh/sh_treg_combine.cc (INCLUDE_ALGORITHM): Define.
1531 (INCLUDE_LIST, INCLUDE_VECTOR): Define.
1532 * cp/logic.cc (INCLUDE_LIST): Define.
1533 * fortran/trans-common.c (INCLUDE_MAP): Define.
1535 2016-04-22 Szabolcs Nagy <szabolcs.nagy@arm.com>
1537 * auto-profile.c: Remove <string.h> include.
1538 * ipa-icf-gimple.c: Remove <list> include.
1539 * diagnostic.c: Remove <new> include.
1540 * genmatch.c: Likewise.
1541 * pretty-print.c: Likewise.
1542 * toplev.c: Likewise
1543 * c/c-objc-common.c: Likewise.
1544 * cp/error.c: Likewise.
1545 * fortran/error.c: Likewise.
1547 2016-04-22 Richard Biener <rguenther@suse.de>
1549 * lto-streamer-in.c (input_ssa_names): Do not allocate
1550 GIMPLE_NOP for all SSA names.
1551 * lto-streamer-out.c (output_ssa_names): Do not output
1552 SSA names that should have been released.
1554 2016-04-22 Richard Biener <rguenther@suse.de>
1556 PR tree-optimization/70740
1557 * tree-ssa-phiprop.c (propagate_with_phi): Handle inserted
1560 2016-04-21 H.J. Lu <hongjiu.lu@intel.com>
1563 * config/i386/predicates.md (call_insn_operand): Replace
1564 sibcall_memory_operand with memory_operand.
1566 2016-04-21 Patrick Palka <ppalka@gcc.gnu.org>
1568 * tree-vrp.c (register_edge_assert_for_2): Remove redundant
1569 has_single_use() tests.
1570 (register_edge_assert_for_1): Likewise.
1571 (find_assert_locations_1): Check the liveness bitmap instead of
1572 checking has_single_use().
1574 2016-04-21 Kirill Yukhin <kirill.yukhin@intel.com>
1577 * gcc/config/i386/sse.md (define_insn "<shift_insn><mode>3<mask_name>"):
1578 Extract AVX-512BW constraint from AVX.
1580 2016-04-21 Richard Biener <rguenther@suse.de>
1582 PR tree-optimization/70725
1583 * tree-if-conv.c (if_convertible_phi_p): Adjust guard
1584 for phi_convertible_by_degenerating_args.
1585 (predicate_all_scalar_phis): Handle single-argument PHIs.
1587 2016-04-21 Richard Biener <rguenther@suse.de>
1590 * fold-const.c (fold_comparison): Return properly typed
1593 2016-04-21 Bin Cheng <bin.cheng@arm.com>
1595 PR tree-optimization/70715
1596 * tree-ssa-loop-niter.c (loop_exits_before_overflow): Check equality
1597 after expanding BASE using expand_simple_operations.
1599 2016-04-21 Marc Glisse <marc.glisse@inria.fr>
1601 * match.pd (min(-x, -y), max(-x, -y), min(~x, ~y), max(~x, ~y)):
1602 New transformations.
1604 2016-04-21 Marc Glisse <marc.glisse@inria.fr>
1606 * match.pd (min(int_max, x), max(int_min, x)): New transformations.
1608 2016-04-20 Jan Hubicka <jh@suse.cz>
1610 * ipa-inline.c (can_inline_edge_p): Pass caller info to
1611 ultiimate_alias_target.
1612 (update_callee_keys): Likewise.
1613 (lookup_recursive_calls): Likewise.
1614 (speculation_useful_p): Likewise.
1616 2016-04-20 Jan Hubicka <jh@suse.cz>
1619 * cgraph.c (cgraph_set_nothrow_flag_1): Rename to ...
1620 (set_nothrow_flag_1): ... this; handle interposition correctly;
1621 recurse on aliases and thunks.
1622 (cgraph_node::set_nothrow_flag): New.
1623 * ipa-pure-const.c (ignore_edge_for_nothrow): Ignore calls to
1624 functions compiled with non-call exceptions that binds to current
1626 (propagate_nothrow): Be safe WRT interposition.
1627 * cgraph.h (set_nothrow_flag): Update prototype.
1629 2016-04-18 Jan Hubicka <jh@suse.cz>
1631 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
1632 max_loop_iterations_int.
1633 (tree_unswitch_outer_loop): Likewise.
1635 2016-04-20 Bin Cheng <bin.cheng@arm.com>
1637 PR tree-optimization/69489
1638 * tree-if-conv.c (phi_convertible_by_degenerating_args): New.
1639 (if_convertible_phi_p): Call phi_convertible_by_degenerating_args.
1640 Revise dump message.
1641 (if_convertible_bb_p): Remove check on edge count of basic block's
1644 2016-04-20 Bin Cheng <bin.cheng@arm.com>
1646 PR tree-optimization/56625
1647 PR tree-optimization/69489
1648 * tree-data-ref.h (DR_INNERMOST): New macro.
1649 * tree-if-conv.c (innermost_loop_behavior_hash): New class for
1650 hashing struct innermost_loop_behavior.
1651 (ref_DR_map): Remove.
1652 (innermost_DR_map): New map.
1653 (baseref_DR_map): Revise comment.
1654 (hash_memrefs_baserefs_and_store_DRs_read_written_info): Store DR
1655 to innermost_DR_map accroding to its innermost loop behavior.
1656 (ifcvt_memrefs_wont_trap): Get DR from innermost_DR_map according
1657 to its innermost loop behavior.
1658 (if_convertible_loop_p_1): Remove intialization for ref_DR_map.
1659 Add initialization for innermost_DR_map. Record memory reference
1660 in DR_BASE_ADDRESS if the reference is compound one or it doesn't
1661 have innermost loop behavior.
1662 (if_convertible_loop_p): Remove release for ref_DR_map. Release
1665 2016-04-20 Uros Bizjak <ubizjak@gmail.com>
1667 * config/i386/i386.md (*lea<mode>_general_1): Rename from
1668 *lea_general_1. Use explicit SWI12 mode interator.
1669 (*lea<mode>_general_2): Rename from *lea_general_2.
1670 Use explicit SWI12 mode interator.
1671 (*lea<mode>_general_3): Rename from *lea_general_3.
1672 Use explicit SWI12 mode interator.
1673 (*lea<SWI12:mode>_general_4): Split from *lea_general_4.
1674 Use explicit SWI12 mode interator.
1675 (*lea<SWI48:mode>_general_4): Split from *lea_general_4.
1676 Use explicit SWI48 mode interator.
1678 2016-04-20 H.J. Lu <hongjiu.lu@intel.com>
1680 * config/i386/i386.c (ix86_avx256_split_vector_move_misalign):
1681 Short-cut unaligned load and store cases. Handle all integer
1683 (ix86_expand_vector_move_misalign): Short-cut unaligned load
1684 and store cases. Call ix86_avx256_split_vector_move_misalign
1685 directly without checking mode class.
1687 2016-04-20 Andrew Pinski <apinski@cavium.com>
1688 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1691 * config/aarch64/aarch64.md (sibcall): Force call
1692 address to be DImode for ILP32.
1693 (sibcall_value): Likewise.
1695 2016-04-20 H.J. Lu <hongjiu.lu@intel.com>
1697 * doc/invoke.texi: Replace -skip-rax-setup with -mskip-rax-setup.
1699 2016-04-20 Richard Biener <rguenther@suse.de>
1701 * gimple-match.h (maybe_build_generic_op): Adjust prototype.
1702 * gimple-match-head.c (maybe_build_generic_op): Pass all ops
1703 by reference, clear op1 and op2 when GENERICizing BIT_FIELD_REF.
1704 (maybe_push_res_to_seq): Adjust.
1705 * gimple-fold.c (maybe_build_generic_op): Likewise.
1707 2016-04-20 Marek Polacek <polacek@redhat.com>
1709 * tree-if-conv.c (is_false_predicate): For NULL_TREE return false
1712 2016-04-20 Ilya Enkovich <ilya.enkovich@intel.com>
1714 * config/i386/sse.md (vec_unpacks_lo_hi): Always
1715 use kmovw to support AVX512F target.
1717 2016-04-20 Bin Cheng <bin.cheng@arm.com>
1719 * tree-scalar-evolution.c (interpret_rhs_expr): Handle BIT_AND_EXPR.
1721 2016-04-20 Marek Polacek <polacek@redhat.com>
1723 PR tree-optimization/70725
1724 * tree-if-conv.c (is_false_predicate): New function.
1725 (predicate_mem_writes): Use it.
1727 2016-04-20 Richard Biener <rguenther@suse.de>
1729 PR tree-optimization/70726
1730 * tree-vect-stmts.c (vectorizable_shift): Do not use scalar
1731 shift amounts from a pattern stmt operand.
1733 2016-04-20 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
1736 * config/s390/s390.c (s390_restore_gprs_from_fprs): Pick the new
1737 stack_restore_from_fpr pattern when restoring r15.
1738 (s390_optimize_prologue): Strip away the memory barrier in the
1739 parallel when trying to get rid of restore insns.
1740 * config/s390/s390.md ("stack_restore_from_fpr"): New insn
1741 definition for loading the stack pointer from an FPR. Compared to
1742 the normal move insn this pattern includes a full memory barrier.
1744 2016-04-19 Jakub Jelinek <jakub@redhat.com>
1747 * gimplify.c (gimplify_omp_for): Call omp_notice_variable for
1748 implicitly linear or lastprivate iterator on the outer context.
1750 2016-04-19 H.J. Lu <hongjiu.lu@intel.com>
1752 * config/i386/i386.c (ix86_legitimate_combined_insn): Remove
1754 * config/i386/i386.md (ssememalign): Removed.
1755 * config/i386/sse.md: Remove ssememalign attribute from patterns.
1757 2016-04-19 H.J. Lu <hongjiu.lu@intel.com>
1760 * config/i386/avx512bwintrin.h (_mm512_mask_loadu_epi16): Pass
1761 const short * to __builtin_ia32_loaddquhi512_mask.
1762 (_mm512_maskz_loadu_epi16): Likewise.
1763 (_mm512_mask_storeu_epi16): Pass short * to
1764 __builtin_ia32_storedquhi512_mask.
1765 (_mm512_mask_loadu_epi8): Pass const char * to
1766 __builtin_ia32_loaddquqi512_mask.
1767 (_mm512_maskz_loadu_epi8): Likewise.
1768 (_mm512_mask_storeu_epi8): Pass char * to
1769 __builtin_ia32_storedquqi512_mask.
1770 * config/i386/avx512fintrin.h (_mm512_loadu_pd): Pass
1771 const double * to __builtin_ia32_loadupd512_mask.
1772 (_mm512_mask_loadu_pd): Likewise.
1773 (_mm512_maskz_loadu_pd): Likewise.
1774 (_mm512_storeu_pd): Pass double * to
1775 __builtin_ia32_storeupd512_mask.
1776 (_mm512_mask_storeu_pd): Likewise.
1777 (_mm512_loadu_ps): Pass const float * to
1778 __builtin_ia32_loadups512_mask.
1779 (_mm512_mask_loadu_ps): Likewise.
1780 (_mm512_maskz_loadu_ps): Likewise.
1781 (_mm512_storeu_ps): Pass float * to
1782 __builtin_ia32_storeups512_mask.
1783 (_mm512_mask_storeu_ps): Likewise.
1784 (_mm512_mask_loadu_epi64): Pass const long long * to
1785 __builtin_ia32_loaddqudi512_mask.
1786 (_mm512_maskz_loadu_epi64): Likewise.
1787 (_mm512_mask_storeu_epi64): Pass long long *
1788 to __builtin_ia32_storedqudi512_mask.
1789 (_mm512_loadu_si512): Pass const int * to
1790 __builtin_ia32_loaddqusi512_mask.
1791 (_mm512_mask_loadu_epi32): Likewise.
1792 (_mm512_maskz_loadu_epi32): Likewise.
1793 (_mm512_storeu_si512): Pass int * to
1794 __builtin_ia32_storedqusi512_mask.
1795 (_mm512_mask_storeu_epi32): Likewise.
1796 * config/i386/avx512vlbwintrin.h (_mm256_mask_storeu_epi8): Pass
1797 char * to __builtin_ia32_storedquqi256_mask.
1798 (_mm_mask_storeu_epi8): Likewise.
1799 (_mm256_mask_loadu_epi16): Pass const short * to
1800 __builtin_ia32_loaddquhi256_mask.
1801 (_mm256_maskz_loadu_epi16): Likewise.
1802 (_mm_mask_loadu_epi16): Pass const short * to
1803 __builtin_ia32_loaddquhi128_mask.
1804 (_mm_maskz_loadu_epi16): Likewise.
1805 (_mm256_mask_loadu_epi8): Pass const char * to
1806 __builtin_ia32_loaddquqi256_mask.
1807 (_mm256_maskz_loadu_epi8): Likewise.
1808 (_mm_mask_loadu_epi8): Pass const char * to
1809 __builtin_ia32_loaddquqi128_mask.
1810 (_mm_maskz_loadu_epi8): Likewise.
1811 (_mm256_mask_storeu_epi16): Pass short * to.
1812 __builtin_ia32_storedquhi256_mask.
1813 (_mm_mask_storeu_epi16): Pass short * to.
1814 __builtin_ia32_storedquhi128_mask.
1815 * config/i386/avx512vlintrin.h (_mm256_mask_loadu_pd): Pass
1816 const double * to __builtin_ia32_loadupd256_mask.
1817 (_mm256_maskz_loadu_pd): Likewise.
1818 (_mm_mask_loadu_pd): Pass onst double * to
1819 __builtin_ia32_loadupd128_mask.
1820 (_mm_maskz_loadu_pd): Likewise.
1821 (_mm256_mask_storeu_pd): Pass double * to
1822 __builtin_ia32_storeupd256_mask.
1823 (_mm_mask_storeu_pd): Pass double * to
1824 __builtin_ia32_storeupd128_mask.
1825 (_mm256_mask_loadu_ps): Pass const float * to
1826 __builtin_ia32_loadups256_mask.
1827 (_mm256_maskz_loadu_ps): Likewise.
1828 (_mm_mask_loadu_ps): Pass const float * to
1829 __builtin_ia32_loadups128_mask.
1830 (_mm_maskz_loadu_ps): Likewise.
1831 (_mm256_mask_storeu_ps): Pass float * to
1832 __builtin_ia32_storeups256_mask.
1833 (_mm_mask_storeu_ps): ass float * to
1834 __builtin_ia32_storeups128_mask.
1835 (_mm256_mask_loadu_epi64): Pass const long long * to
1836 __builtin_ia32_loaddqudi256_mask.
1837 (_mm256_maskz_loadu_epi64): Likewise.
1838 (_mm_mask_loadu_epi64): Pass const long long * to
1839 __builtin_ia32_loaddqudi128_mask.
1840 (_mm_maskz_loadu_epi64): Likewise.
1841 (_mm256_mask_storeu_epi64): Pass long long * to
1842 __builtin_ia32_storedqudi256_mask.
1843 (_mm_mask_storeu_epi64): Pass long long * to
1844 __builtin_ia32_storedqudi128_mask.
1845 (_mm256_mask_loadu_epi32): Pass const int * to
1846 __builtin_ia32_loaddqusi256_mask.
1847 (_mm256_maskz_loadu_epi32): Likewise.
1848 (_mm_mask_loadu_epi32): Pass const int * to
1849 __builtin_ia32_loaddqusi128_mask.
1850 (_mm_maskz_loadu_epi32): Likewise.
1851 (_mm256_mask_storeu_epi32): Pass int * to
1852 __builtin_ia32_storedqusi256_mask.
1853 (_mm_mask_storeu_epi32): Pass int * to
1854 __builtin_ia32_storedqusi128_mask.
1855 * config/i386/i386-builtin-types.def (PCSHORT): New.
1857 (V64QI_FTYPE_PCCHAR_V64QI_UDI): Likewise.
1858 (V32HI_FTYPE_PCSHORT_V32HI_USI): Likewise.
1859 (V32QI_FTYPE_PCCHAR_V32QI_USI): Likewise.
1860 (V16SF_FTYPE_PCFLOAT_V16SF_UHI): Likewise.
1861 (V8DF_FTYPE_PCDOUBLE_V8DF_UQI): Likewise.
1862 (V16SI_FTYPE_PCINT_V16SI_UHI): Likewise.
1863 (V16HI_FTYPE_PCSHORT_V16HI_UHI): Likewise.
1864 (V16QI_FTYPE_PCCHAR_V16QI_UHI): Likewise.
1865 (V8SF_FTYPE_PCFLOAT_V8SF_UQI): Likewise.
1866 (V8DI_FTYPE_PCINT64_V8DI_UQI): Likewise.
1867 (V8SI_FTYPE_PCINT_V8SI_UQI): Likewise.
1868 (V8HI_FTYPE_PCSHORT_V8HI_UQI): Likewise.
1869 (V4DF_FTYPE_PCDOUBLE_V4DF_UQI): Likewise.
1870 (V4SF_FTYPE_PCFLOAT_V4SF_UQI): Likewise.
1871 (V4DI_FTYPE_PCINT64_V4DI_UQI): Likewise.
1872 (V4SI_FTYPE_PCINT_V4SI_UQI): Likewise.
1873 (V2DF_FTYPE_PCDOUBLE_V2DF_UQI): Likewise.
1874 (V2DI_FTYPE_PCINT64_V2DI_UQI): Likewise.
1875 (VOID_FTYPE_PDOUBLE_V8DF_UQI): Likewise.
1876 (VOID_FTYPE_PDOUBLE_V4DF_UQI): Likewise.
1877 (VOID_FTYPE_PDOUBLE_V2DF_UQI): Likewise.
1878 (VOID_FTYPE_PFLOAT_V16SF_UHI): Likewise.
1879 (VOID_FTYPE_PFLOAT_V8SF_UQI): Likewise.
1880 (VOID_FTYPE_PFLOAT_V4SF_UQI): Likewise.
1881 (VOID_FTYPE_PINT64_V8DI_UQI): Likewise.
1882 (VOID_FTYPE_PINT64_V4DI_UQI): Likewise.
1883 (VOID_FTYPE_PINT64_V2DI_UQI): Likewise.
1884 (VOID_FTYPE_PINT_V16SI_UHI): Likewise.
1885 (VOID_FTYPE_PINT_V8SI_UHI): Likewise.
1886 (VOID_FTYPE_PINT_V4SI_UHI): Likewise.
1887 (VOID_FTYPE_PSHORT_V32HI_USI): Likewise.
1888 (VOID_FTYPE_PSHORT_V16HI_UHI): Likewise.
1889 (VOID_FTYPE_PSHORT_V8HI_UQI): Likewise.
1890 (VOID_FTYPE_PCHAR_V64QI_UDI): Likewise.
1891 (VOID_FTYPE_PCHAR_V32QI_USI): Likewise.
1892 (VOID_FTYPE_PCHAR_V16QI_UHI): Likewise.
1893 (V64QI_FTYPE_PCV64QI_V64QI_UDI): Removed.
1894 (V32HI_FTYPE_PCV32HI_V32HI_USI): Likewise.
1895 (V32QI_FTYPE_PCV32QI_V32QI_USI): Likewise.
1896 (V16HI_FTYPE_PCV16HI_V16HI_UHI): Likewise.
1897 (V16QI_FTYPE_PCV16QI_V16QI_UHI): Likewise.
1898 (V8HI_FTYPE_PCV8HI_V8HI_UQI): Likewise.
1899 (VOID_FTYPE_PV32HI_V32HI_USI): Likewise.
1900 (VOID_FTYPE_PV16HI_V16HI_UHI): Likewise.
1901 (VOID_FTYPE_PV8HI_V8HI_UQI): Likewise.
1902 (VOID_FTYPE_PV64QI_V64QI_UDI): Likewise.
1903 (VOID_FTYPE_PV32QI_V32QI_USI): Likewise.
1904 (VOID_FTYPE_PV16QI_V16QI_UHI): Likewise.
1905 * config/i386/i386.c (ix86_emit_save_reg_using_mov): Don't
1907 (ix86_emit_restore_sse_regs_using_mov): Don't use UNSPEC_LOADU.
1908 (ix86_avx256_split_vector_move_misalign): Don't use unaligned
1910 (ix86_expand_vector_move_misalign): Likewise.
1911 (bdesc_special_args): Use CODE_FOR_movvNXY_internal and pointer
1912 to scalar function prototype for unaligned load/store builtins.
1913 (ix86_expand_special_args_builtin): Updated.
1914 * config/i386/sse.md (UNSPEC_LOADU): Removed.
1915 (UNSPEC_STOREU): Likewise.
1916 (VI_ULOADSTORE_BW_AVX512VL): Likewise.
1917 (VI_ULOADSTORE_F_AVX512VL): Likewise.
1918 (ssescalarsize): Handle V4TI, V2TI and V1TI.
1919 (<sse>_loadu<ssemodesuffix><avxsizesuffix><mask_name>): Likewise.
1920 (*<sse>_loadu<ssemodesuffix><avxsizesuffix><mask_name>): Likewise.
1921 (<sse>_storeu<ssemodesuffix><avxsizesuffix>): Likewise.
1922 (<avx512>_storeu<ssemodesuffix><avxsizesuffix>_mask): Likewise.
1923 (<sse2_avx_avx512f>_loaddqu<mode><mask_name>): Likewise.
1924 (*<sse2_avx_avx512f>_loaddqu<mode><mask_name>"): Likewise.
1925 (sse2_avx_avx512f>_storedqu<mode>): Likewise.
1926 (<avx512>_storedqu<mode>_mask): Likewise.
1927 (*sse4_2_pcmpestr_unaligned): Likewise.
1928 (*sse4_2_pcmpistr_unaligned): Likewise.
1929 (*mov<mode>_internal): Renamed to ...
1930 (mov<mode>_internal): This. Remove check of AVX and IAMCU on
1931 misaligned operand. Replace vmovdqu64 with vmovdqu<ssescalarsize>.
1932 (movsd/movhpd to movupd peephole): Don't use UNSPEC_LOADU.
1933 (movlpd/movhpd to movupd peephole): Don't use UNSPEC_STOREU.
1935 2016-04-19 Richard Biener <rguenther@suse.de>
1937 PR tree-optimization/70171
1938 * tree-ssa-phiprop.c: Include stor-layout.h.
1939 (phiprop_insert_phi): Handle the aggregate copy case.
1940 (propagate_with_phi): Likewise.
1942 2016-04-19 Uros Bizjak <ubizjak@gmail.com>
1944 * config/i386/i386.c (ix86_decompose_address): Use lowpart_subreg
1945 instead of simplify_gen_subreg (... , 0).
1946 (ix86_delegitimize_address): Ditto.
1947 (ix86_split_divmod): Ditto.
1948 (ix86_split_copysign_const): Ditto.
1949 (ix86_split_copysign_var): Ditto.
1950 (ix86_expand_args_builtin): Ditto.
1951 (ix86_expand_round_builtin): Ditto.
1952 (ix86_expand_special_args_builtin): Ditto.
1953 * config/i386/i386.md (TARGET_USE_VECTOR_FP_CONVERTS splitters): Ditto.
1954 (TARGET_SSE_PARTIAL_REG_DEPENDENCY splitters and peephole2s): Ditto.
1955 (udivmodqi4): Ditto.
1956 (absneg splitters): Ditto.
1957 (*jcc_bt<mode>_1): Ditto.
1959 2016-04-19 Richard Biener <rguenther@suse.de>
1961 PR tree-optimization/70724
1962 * tree-ssa-sccvn.c (scc_vn_restore_ssa_info): Split SSA info
1963 restoring out from ...
1964 (free_scc_vn): ... here.
1965 * tree-ssa-sccvn.h (scc_vn_restore_ssa_info): Declare.
1966 * tres-ssa-pre.c (pass_pre::execute): Restore SSA info before
1968 (pass_fre::execute): Restore SSA info.
1970 2016-04-19 Richard Biener <rguenther@suse.de>
1972 * gimple-walk.h (struct walk_stmt_info): Add stmt member.
1973 * gimple-walk.c (walk_gimple_op): Initialize it.
1974 (walk_gimple_asm): Set wi->is_lhs before each callback invocation.
1975 * tree-inline.c (remap_gimple_op_r): Set SSA_NAME_DEF_STMT when
1976 remapping SSA names of defs.
1977 (copy_bb): Remove walk over all SSA defs and SSA_NAME_DEF_STMT
1980 2016-04-18 Vladimir Makarov <vmakarov@redhat.com>
1983 * lra-constraints.c (equiv_substition_p): New.
1984 (process_alt_operands): Use it.
1985 (swap_operands): Swap it.
1986 (curr_insn_transform): Update it.
1988 2016-04-18 Michael Matz <matz@suse.de>
1990 * tree.h (TYPE_ALIGN, DECL_ALIGN): Return shifted amount.
1991 (SET_TYPE_ALIGN, SET_DECL_ALIGN): New.
1992 * tree-core.h (tree_type_common.align): Use bit-field.
1993 (tree_type_common.spare): New.
1994 (tree_decl_common.off_align): Make smaller.
1995 (tree_decl_common.align): Use bit-field.
1997 * expr.c (expand_expr_addr_expr_1): Use SET_TYPE_ALIGN.
1998 * omp-low.c (install_var_field): Use SET_DECL_ALIGN.
1999 (scan_sharing_clauses): Ditto.
2000 (finish_taskreg_scan): Use SET_DECL_ALIGN and SET_TYPE_ALIGN.
2001 (omp_finish_file): Ditto.
2002 * stor-layout.c (do_type_align): Use SET_DECL_ALIGN.
2003 (layout_decl): Ditto.
2004 (relayout_decl): Ditto.
2005 (finalize_record_size): Use SET_TYPE_ALIGN.
2006 (finalize_type_size): Ditto.
2007 (finish_builtin_struct): Ditto.
2008 (layout_type): Ditto.
2009 (initialize_sizetypes): Ditto.
2010 * targhooks.c (std_gimplify_va_arg_expr): Use SET_TYPE_ALIGN.
2011 * tree-nested.c (insert_field_into_struct): Use SET_TYPE_ALIGN.
2012 (lookup_field_for_decl): Use SET_DECL_ALIGN.
2013 (get_chain_field): Ditto.
2014 (get_trampoline_type): Ditto.
2015 (get_nl_goto_field): Ditto.
2016 * tree-streamer-in.c (unpack_ts_decl_common_value_fields): Use
2018 (unpack_ts_type_common_value_fields): Use SET_TYPE_ALIGN.
2019 * gimple-expr.c (copy_var_decl): Use SET_DECL_ALIGN.
2020 * tree.c (make_node_stat): Use SET_DECL_ALIGN and SET_TYPE_ALIGN.
2021 (build_qualified_type): Use SET_TYPE_ALIGN.
2022 (build_aligned_type, build_range_type_1): Ditto.
2023 (build_atomic_base): Ditto.
2024 (build_common_tree_nodes): Ditto.
2025 * cfgexpand.c (align_local_variable): Use SET_DECL_ALIGN.
2026 (expand_one_stack_var_at): Ditto.
2027 * coverage.c (build_var): Use SET_DECL_ALIGN.
2028 * except.c (init_eh): Ditto.
2029 * function.c (assign_parm_setup_block): Ditto.
2030 * symtab.c (increase_alignment_1): Ditto.
2031 * tree-ssa-ccp.c (fold_builtin_alloca_with_align): Ditto.
2032 * tree-vect-stmts.c (ensure_base_align): Ditto.
2033 * varasm.c (align_variable): Ditto.
2034 (assemble_variable): Ditto.
2035 (build_constant_desc): Ditto.
2036 (output_constant_def_contents): Ditto.
2038 * config/arm/arm.c (arm_relayout_function): Use SET_DECL_ALIGN.
2039 * config/avr/avr.c (avr_adjust_type_node): Use SET_TYPE_ALIGN.
2040 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): Ditto.
2041 * config/msp430/msp430.c (msp430_gimplify_va_arg_expr): Ditto.
2042 * config/spu/spu.c (spu_build_builtin_va_list): Use SET_DECL_ALIGN.
2044 2016-04-18 H.J. Lu <hongjiu.lu@intel.com>
2047 * config/i386/sse.md (sse2_loadlpd): Accept load from "xm" and
2048 replace %vmovsd with "%vmovq".
2049 (vec_concatv2df): Likewise.
2051 2016-04-18 Uros Bizjak <ubizjak@gmail.com>
2053 * config/i386/mmx.md (*vec_extractv2sf_0): Use gen_lowpart.
2054 (*vec_extractv2si_0): Ditto.
2055 * config/i386/sse.md (*vec_extractv4sf_0): Ditto.
2056 (zero_extended_scalar_load_operand splitters): Ditto.
2057 (vec_extract splitters): Ditto.
2058 (*vec_extractv4si_0_zext): Ditto.
2059 (avx_<castmode><avxsizesuffix>_<castmode>): Use gen_lowpart
2061 (avx512f_<castmode><avxsizesuffix>_<castmode>): Ditto.
2062 (avx512f_<castmode><avxsizesuffix>_256<castmode>): Ditto.
2063 (*sse4_1_extractps): Use lowpart_subreg.
2065 2016-04-18 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2067 * doc/install.texi (Specific, i?86-*-solaris2.10): Update gas and
2069 (Specific, *-*-solaris2*): Update Solaris 11 bundled gcc versions.
2070 Mention Solaris 11 packaging changes.
2071 Update gas and gld requirements.
2072 Remove reference to pre-Solaris 10 bug.
2073 (Specific, sparc-sun-solaris2*): Remove reference to pre-Solaris 10
2075 (Specific, sparc64-*-solaris2*): Remove reference to bootstrap
2078 2016-04-17 Jan Hubicka <jh@suse.cz>
2080 * tree-ssa-loop-ivopts.c (avg_loop_niter): Use also
2081 max_loop_iterations_int.
2083 2016-04-18 Richard Biener <rguenther@suse.de>
2085 PR tree-optimization/43434
2086 * tree-ssa-structalias.c (struct vls_data): New.
2087 (visit_loadstore): Handle all pointer-based accesses.
2088 (compute_dependence_clique): Compute a bitmap of restrict tags
2089 assigned bases and pass it to visit_loadstore.
2091 2016-04-18 Matthew Wahab <matthew.wahab@arm.com>
2094 * config/arm/bpabi.h (BE8_LINK_SPEC): Add entries for armv8+crc,
2095 armv8.1-a and armv8.1-a+crc.
2097 2016-04-18 Richard Biener <rguenther@suse.de>
2099 PR tree-optimization/70701
2100 * tree-ssa-sccvn.c (vn_reference_lookup_3): Resolve fully constant
2101 references after translating through a memcpy.
2103 2016-04-18 Richard Biener <rguenther@suse.de>
2105 * tree-ssa-pre.c (postorder, postorder_num): Make locals ...
2106 (compute_antic): ... here. For partial antic use regular
2107 postorder and scrap iteration.
2108 (compute_partial_antic_aux): Remove unused return value.
2109 (init_pre): Do not allocate postorder.
2110 (fini_pre): Do not free postorder.
2112 2016-04-18 Richard Biener <rguenther@suse.de>
2115 * expmed.c (extract_bit_field_1): Remove broken case
2116 using a wider MODE_INT mode.
2118 2016-04-18 Segher Boessenkool <segher@kernel.crashing.org>
2120 * has-brig.c (lendian16): Don't try to use __builtin_bswap16
2121 unless compiling with at least GCC-4.8.
2123 2016-04-17 Jan Hubicka <jh@suse.cz>
2126 * graphite.c (graphite_finalize): Update call to
2127 tree_estimate_probability.
2128 * predict.h (tree_estimate_probability): Update prototype.
2130 2016-04-17 Jan Hubicka <jh@suse.cz>
2132 * predict.c (combine_predictions_for_bb): Add dry_run parmaeter.
2133 (tree_estimate_probability): Likewise.
2134 (pass_profile::execute): Update.
2135 (report_predictor_hitrates): New function.
2136 * profile.c (compute_branch_probabilities): Use it.
2137 * predict.h (report_predictor_hitrates): Declare.
2139 2016-04-17 Jan Hubicka <jh@suse.cz>
2142 * cgraph.h (cgraph_node::set_const_flag,
2143 cgraph_node::set_pure_flag): Update prototype to return bool;
2145 * cgraph.c (cgraph_node::call_for_symbol_thunks_and_aliases): Thunks
2146 of interposable symbol are interposable, too.
2147 (cgraph_set_const_flag_1): Rename to ...
2148 (set_const_flag_1): ... this one; change to self recursive function
2149 instead of call_for_symbol_thunks_and_aliases. Handle correctly
2150 clearnig the flag in all variants and also virtual thunks of const
2151 functions are pure; track if any change was done.
2152 (cgraph_node::set_const_flag): Update.
2153 (struct set_pure_flag_info): New struct.
2154 (cgraph_set_pure_flag_1): Rename to ...
2155 (set_pure_flag_1): ... this one; take set_pure_flag_info parameter
2156 rather than pointer encoded flags; track if any changes was done;
2157 handle correctly clearning flag and setting flag of aliases already
2159 (cgraph_node::set_pure_flag): Update.
2160 (cgraph_node::set_nothrow_flag): Handle correctly clearning the flag.
2162 2016-04-17 Tom de Vries <tom@codesourcery.com>
2165 * pretty-print.c (pp_write_text_as_dot_label_to_stream): Escape
2168 2016-04-17 Tom de Vries <tom@codesourcery.com>
2170 * pretty-print.c (pp_write_text_as_dot_label_to_stream): Classify chars
2171 '{}<> ' as escape-for-record.
2173 2016-04-17 Tom de Vries <tom@codesourcery.com>
2175 * pretty-print.c (pp_write_text_as_dot_label_to_stream): Simplify loop
2178 2016-04-17 Tom de Vries <tom@codesourcery.com>
2181 * tree-pass.h (class opt_pass): Remove graph_dump_initialized member.
2182 * dumpfile.h (struct dump_file_info): Add graph_dump_initialized field.
2183 * dumpfile.c (dump_files): Initialize graph_dump_initialized field.
2184 * passes.c (finish_optimization_passes): Only call
2185 finish_graph_dump_file if dfi->graph_dump_initialized.
2186 (execute_function_dump, pass_init_dump_file): Use
2187 dfi->graph_dump_initialized instead of pass->graph_dump_initialized.
2189 2016-04-17 Tom de Vries <tom@codesourcery.com>
2191 PR tree-optimization/70256
2192 * tree-ssa-structalias.c (dump_varinfo, debug_varinfo, dump_varmap)
2193 (debug_varmap): New function.
2195 2016-04-17 Tom de Vries <tom@codesourcery.com>
2198 * passes.c (pass_manager::register_pass): Propagate pflags.
2200 2016-04-17 Tom de Vries <tom@codesourcery.com>
2203 * pass_manager.h (TERMINATE_PASS_LIST): Add pass argument.
2204 * passes.c (pass_manager::pass_manager): Declare and init p_start in
2205 INSERT_PASSES_AFTER. Add pass parameter to TERMINATE_PASS_LIST, and
2206 check if it's equal to p_start.
2207 * passes.def: Add arguments to TERMINATE_PASS_LISTs.
2209 2016-04-15 Jan Hubicka <jh@suse.cz>
2212 * cgraph.c (cgraph_set_const_flag_1): Only set as pure if
2213 function does not bind to current def.
2214 * ipa-pure-const.c (worse_state): Add FROM and TO parameters;
2215 handle conservatively calls to functions that does not need to bind
2217 (check_call): Update call of worse_state.
2218 (ignore_edge_for_nothrow): Update.
2219 (ignore_edge_for_pure_const): Likewise.
2220 (propagate_pure_const): Update calls to worse_state.
2221 (skip_function_for_local_pure_const): Reformat comments.
2223 2016-04-15 Jan Hubicka <jh@suse.cz>
2226 * cgraph.c (cgraph_node::get_availability): Add REF parameter.
2227 (cgraph_node::function_symbol): Likewise.
2228 (cgraph_node::function_or_virtual_thunk_symbol): Likewise.
2229 * cgraph.h (symtab_node::get_availabbility): Add REF parameter.
2230 (symtab_node::ultimate_alias_target): Add REF parameter.
2231 (symtab_node::binds_to_current_def_p): Declare.
2232 (symtab_node;:ultimate_alias_target_1): Add REF parameter.
2233 (cgraph_node::function_symbol): Likewise.
2234 (cgraph_node::function_or_virtual_thunk_symbol): Likewise.
2235 (cgraph_node::get_availability): Likewise.
2236 (cgraph_edge::binds_to_current_def_p): New inline function.
2237 (varpool_node::get_availability): Add REF parameter.
2238 (varpool_node::ultimate_alias_target): Likewise.
2239 * symtab.c (symtab_node::ultimate_alias_target_1): Likewise.
2240 (symtab_node::binds_to_current_def_p): Likewise.
2241 * varpool.c (varpool_node::get_availability): Likewise.
2243 2016-04-15 Kirill Yukhin <kirill.yukhin@intel.com>
2246 * config/i386/sse.md(define_insn "<avx512>_vec_dup<mode><mask_name>"):
2247 Fix mode size check.
2249 2016-04-15 Jakub Jelinek <jakub@redhat.com>
2251 * BASE-VER: Set to 7.0.0.
2253 2016-04-15 Alexander Monakov <amonakov@ispras.ru>
2255 * config/nvptx/nvptx.opt (moptimize): Add a period at end of help text.
2257 2016-04-15 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
2259 * doc/invoke.texi (ARM Options): Add note on deprecation of pre-ARMv4T
2260 architecture revisions.
2262 2016-04-15 Bernd Schmidt <bschmidt@redhat.com>
2264 * config/i386/i386-protos.h (ix86_using_red_zone): Declare.
2265 * config/i386/i386.c (ix86_using_red_zone): No longer static.
2266 * config/i386/i386.md (stack decrement to push peepholes): Guard
2267 with !x86_using_red_zone ().
2269 2016-04-15 Jakub Jelinek <jakub@redhat.com>
2272 * tree-pretty-print.c (do_niy): Add FLAGS argument, pass it down
2273 to dump_generic_node.
2274 (NIY): Pass also flags to do_niy.
2276 2016-04-15 Thomas Schwinge <thomas@codesourcery.com>
2278 * omp-low.c (simd_clone_struct_alloc, simd_clone_struct_copy)
2279 (simd_clone_vector_of_formal_parm_types)
2280 (simd_clone_clauses_extract, simd_clone_compute_base_data_type)
2281 (simd_clone_mangle, simd_clone_create)
2282 (simd_clone_adjust_return_type, create_tmp_simd_array)
2283 (simd_clone_adjust_argument_types, simd_clone_init_simd_arrays)
2284 (struct modify_stmt_info, ipa_simd_modify_stmt_ops)
2285 (ipa_simd_modify_function_body, simd_clone_linear_addend)
2286 (simd_clone_adjust, expand_simd_clones, ipa_omp_simd_clone)
2287 (pass_data_omp_simd_clone, class pass_omp_simd_clone)
2288 (pass_omp_simd_clone::gate, make_pass_omp_simd_clone): Move into...
2289 * omp-simd-clone.c: ... this new file.
2290 (simd_clone_vector_of_formal_parm_types): Make it static.
2291 * Makefile.in (OBJS): Add omp-simd-clone.o.
2293 2016-04-15 Kirill Yukhin <kirill.yukhin@intel.com>
2296 * config/i386/sse.md: Use proper memory operand modifiers.
2299 2016-04-15 Richard Biener <rguenther@suse.de>
2300 Alan Modra <amodra@gmail.com>
2302 PR tree-optimization/70130
2303 * tree-vect-data-refs.c (vect_supportable_dr_alignment): Detect
2304 when alignment stays not the same and no not use the realign
2307 2016-04-14 Michael Meissner <meissner@linux.vnet.ibm.com>
2310 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add
2311 direct move handlers for KFmode. Change TFmode handlers test from
2312 FLOAT128_IEEE_P to FLOAT128_VECTOR_P.
2314 2016-04-14 Jakub Jelinek <jakub@redhat.com>
2317 * ipa-utils.h (polymorphic_ctor_dtor_p): New prototype.
2318 * ipa-polymorphic-call.c (polymorphic_ctor_dtor_p): New function.
2319 (inlined_polymorphic_ctor_dtor_block_p): Use it.
2320 * tree-ssa-live.c (remove_unused_scope_block_p): When
2321 in_ctor_dtor_block, avoid discarding not just BLOCKs with
2322 BLOCK_ABSTRACT_ORIGIN being FUNCTION_DECL, but even when
2323 block_ultimate_origin is FUNCTION_DECL.
2324 (remove_unused_locals): If current_function_decl is
2325 polymorphic_ctor_dtor_p, pass initial true to
2326 remove_unused_scope_block_p' is_ctor_dtor_block.
2328 2016-04-14 Martin Sebor <msebor@redhat.com>
2333 * doc/extend.texi (Variable Length): Revert.
2335 2016-04-14 Marek Polacek <polacek@redhat.com>
2336 Jan Hubicka <hubicka@ucw.cz>
2339 * tree.c (verify_type): Disable the canonical type of main variant
2342 2016-04-14 Jason Merrill <jason@redhat.com>
2344 * cfgexpand.c, expr.c: Revert previous change.
2346 2016-04-14 Cesar Philippidis <cesar@codesourcery.com>
2349 * omp-low.c (lower_oacc_reductions): Check for TREE_CONSTANT
2350 when building a mem ref for the incoming reduction variable.
2352 2016-04-14 Richard Biener <rguenther@suse.de>
2354 PR tree-optimization/70614
2355 * tree-scalar-evolution.c (analyze_evolution_in_loop): Terminate
2356 loop if the evolution dropped to chrec_dont_know.
2357 (interpret_condition_phi): Likewise.
2359 2016-04-14 Richard Biener <rguenther@suse.de>
2361 PR tree-optimization/70623
2362 * tree-ssa-pre.c (changed_blocks): Make global ...
2363 (compute_antic): ... local here. Move and fix worklist
2364 handling here. Do not clear EDGE_DFS_BACK or call mark_dfs_back_edges.
2365 (compute_antic_aux): Add dumping for MAX assumed succs. Remove
2366 worklist handling, dump when ANTIC_IN changed.
2367 (compute_partial_antic_aux): Remove worklist handling.
2368 (init_pre): Do not compute post dominators. Add a comment about
2369 the CFG order chosen.
2370 (fini_pre): Do not free post dominators.
2372 2016-04-13 Martin Sebor <msebor@redhat.com>
2377 * doc/extend.texi (Variable Length): Document C++ specifics.
2379 2016-04-13 Jakub Jelinek <jakub@redhat.com>
2382 * ipa-pure-const.c (pass_nothrow::execute): Call maybe_clean_eh_stmt
2383 on all recursive call stmts. Return TODO_cleanup_cfg if any dead
2384 eh edges have been purged.
2387 * tree-sra.c (create_access_replacement,
2388 get_replaced_param_substitute): Set DECL_NAMELESS on repl if it
2390 * tree-pretty-print.c (dump_fancy_name): New function.
2391 (dump_decl_name, dump_generic_node): Use it.
2393 2016-04-13 Jason Merrill <jason@redhat.com>
2395 * cfgexpand.c (pass_expand::execute): Handle attribute "abi warning".
2396 * expr.c (expand_expr_real_1): Likewise.
2398 2016-04-13 Ilya Enkovich <ilya.enkovich@intel.com>
2400 * config/i386/i386.md (kunpckhi): Swap operands.
2401 (kunpcksi): Likewise.
2402 (kunpckdi): Likewise.
2403 * config/i386/sse.md (vec_pack_trunc_qi): Likewise.
2404 (vec_pack_trunc_<mode>): Likewise.
2406 2016-04-13 Jakub Jelinek <jakub@redhat.com>
2409 * explow.c (convert_memory_address_addr_space_1): Formatting fix.
2412 * gimplify.c (gimplify_init_constructor): Clear TREE_STATIC if
2413 gimplification turns some element into non-constant.
2416 * rtl.h (convert_memory_address_addr_space_1): New prototype.
2417 * explow.c (convert_memory_address_addr_space_1): No longer static,
2418 add NO_EMIT argument and don't call convert_modes if true, pass
2419 it down recursively, remove break after return.
2420 (convert_memory_address_addr_space): Adjust caller.
2421 * simplify-rtx.c (simplify_unary_operation_1): Call
2422 convert_memory_address_addr_space_1 instead of convert_memory_address,
2423 if it returns NULL, don't simplify.
2425 2016-04-12 Eric Botcazou <ebotcazou@adacore.com>
2428 * config/sparc/sparc.c (sparc_compute_frame_size): Add parentheses.
2430 2016-04-12 Jakub Jelinek <jakub@redhat.com>
2432 * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
2433 Bump the upper SIMDLEN limits, so that if the return type or
2434 characteristic type if the return type is void can be passed in
2435 all available SSE2/AVX/AVX2/AVX512-F registers, the SIMDLEN is
2438 2016-04-12 Michael Meissner <meissner@linux.vnet.ibm.com>
2441 * config/rs6000/rs6000.md (ieee_128bit_vsx_neg<mode>2_internal):
2442 Do not use "=" constraint on an input constraint.
2443 (ieee_128bit_vsx_abs<mode>2_internal): Likewise.
2444 (ieee_128bit_vsx_nabs<mode>2_internal): Likewise.
2445 (ieee_128bit_vsx_nabs<mode>2): Correct splitter so that it
2446 generates (neg (abs ...)) instead of (abs ...).
2448 2016-04-12 Jakub Jelinek <jakub@redhat.com>
2450 PR rtl-optimization/70596
2451 * lra-spills.c (spill_pseudos): Don't delete debug insns, instead
2452 just invalidate LRA data and reset them. Adjust dump wording.
2454 2016-04-12 Martin Liska <mliska@suse.cz>
2457 2016-03-30 Jan Hubicka <hubicka@ucw.cz>
2459 * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can't get realistic
2461 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
2462 max_loop_iterations_int.
2463 (tree_unswitch_outer_loop): Likewise.
2464 * tree-ssa-loop-ivopts.c (avg_loop_niter): Likewise.
2465 * tree-vect-loop.c (vect_analyze_loop_2): Likewise.
2467 2016-04-12 Tom de Vries <tom@codesourcery.com>
2469 PR tree-optimization/68756
2470 * graphite-isl-ast-to-gimple.c (copy_cond_phi_args): Use new_expr
2471 instead of new_name.
2473 2016-04-12 Jakub Jelinek <jakub@redhat.com>
2475 PR tree-optimization/70602
2476 * tree-sra.c (generate_subtree_copies): Don't write anything into
2477 constant pool decls.
2479 * omp-low.c (lower_omp_target): Use GOMP_MAP_FIRSTPRIVATE_INT
2480 regardless whether there are depend clauses or not.
2482 2016-04-11 Michael Meissner <meissner@linux.vnet.ibm.com>
2485 * config/rs6000/rs6000.c (rs6000_opt_masks): Disable using the
2486 target attribute and pragma from changing the -mfloat128
2487 and -mfloat128-hardware options.
2489 * doc/extend.texi (Additional Floating Types): Document PowerPC
2490 __float128 restrictions.
2492 2016-04-11 James Greenhalgh <james.greenhalgh@arm.com>
2495 * config/aarch64/driver-aarch64.c
2496 (aarch64_get_extension_string_for_isa_flags): New.
2497 (arch_extension): Rename to...
2498 (aarch64_arch_extension): ...This.
2499 (ext_to_feat_string): Rename to...
2500 (aarch64_extensions): ...This.
2501 (aarch64_core_data): Keep track of architecture extension flags.
2502 (cpu_data): Rename to...
2503 (aarch64_cpu_data): ...This.
2504 (aarch64_arch_driver_info): Keep track of architecture extension
2506 (get_arch_name_from_id): Rename to...
2507 (get_arch_from_id): ...This, change return type.
2508 (host_detect_local_cpu): Update and reformat for renames, handle
2509 extensions through common infrastructure.
2511 2016-04-11 James Greenhalgh <james.greenhalgh@arm.com>
2514 * config/aarch64/aarch64-common.c (aarch64_option_extension): Keep
2515 track of a canonical flag name.
2516 (all_extensions): Likewise.
2517 (arch_to_arch_name): Also track extension flags enabled by the arch.
2518 (all_architectures): Likewise.
2519 (aarch64_parse_extension): Move to here.
2520 (aarch64_get_extension_string_for_isa_flags): Take a new argument,
2522 (aarch64_rewrite_selected_cpu): Update for above change.
2523 * config/aarch64/aarch64-option-extensions.def: Rework the way flags
2524 are handled, such that the single explicit value enabled by an
2525 extension is kept seperate from the implicit values it also enables.
2526 * config/aarch64/aarch64-protos.h (aarch64_parse_opt_result): Move
2528 (aarch64_parse_extension): New.
2529 * config/aarch64/aarch64.c (aarch64_parse_opt_result): Move from
2530 here to config/aarch64/aarch64-protos.h.
2531 (aarch64_parse_extension): Move from here to
2532 common/config/aarch64/aarch64-common.c.
2533 (aarch64_option_print): Update.
2534 (aarch64_declare_function_name): Likewise.
2535 (aarch64_start_file): Likewise.
2536 * config/aarch64/driver-aarch64.c (arch_extension): Keep track of
2537 the canonical flag for extensions.
2538 * config.gcc (aarch64*-*-*): Extend regex for capturing extension
2541 2016-04-11 James Greenhalgh <james.greenhalgh@arm.com>
2543 * config/aarch64/aarch64.h (AARCH64_FL_FOR_ARCH8_1): Also add
2546 2016-04-09 Tom de Vries <tom@codesourcery.com>
2548 PR tree-optimization/68953
2549 * graphite-sese-to-poly.c (pdr_add_memory_accesses): Order accesses from
2550 first to last subscript.
2552 2016-04-09 Jakub Jelinek <jakub@redhat.com>
2554 PR tree-optimization/70586
2555 * tree-ssa-ifcombine.c (bb_no_side_effects_p): Return false
2558 2016-04-08 Cesar Philippidis <cesar@codesourcery.com>
2562 PR tree-optimization/70373
2566 * gimplify.c (gimplify_adjust_omp_clauses): Add or adjust data
2567 clauses for acc parallel reductions as necessary. Error on those
2569 * omp-low.c (scan_sharing_clauses): Don't install variables which
2570 are used in acc parallel reductions.
2571 (lower_rec_input_clauses): Remove dead code.
2572 (lower_oacc_reductions): Add support for reference reductions.
2573 (lower_reduction_clauses): Remove dead code.
2574 (lower_omp_target): Don't remap variables appearing in acc parallel
2576 * tree.h (OMP_CLAUSE_MAP_IN_REDUCTION): New macro.
2578 2016-04-08 Jakub Jelinek <jakub@redhat.com>
2581 * tree-ssa-coalesce.c (build_ssa_conflict_graph): For stmt
2582 with multiple SSA_NAME defs, force the outputs other than first
2583 to be live before calling live_track_process_def on each output.
2585 PR rtl-optimization/70574
2586 * fwprop.c (forward_propagate_and_simplify): Don't add
2587 REG_EQUAL note if DF_REF_REG (use) is a paradoxical subreg.
2588 (try_fwprop_subst): Don't add REG_EQUAL note if there are any
2589 paradoxical subregs within *loc.
2591 2016-04-08 Thomas Schwinge <thomas@codesourcery.com>
2593 * config/arc/arc.h (LINK_COMMAND_SPEC): Use gt to ignore
2594 -ftree-parallelize-loops={0,1}.
2595 * config/darwin.h (LINK_COMMAND_SPEC_A): Likewise.
2596 * config/i386/mingw32.h (GOMP_SELF_SPECS): Likewise.
2597 * config/ia64/hpux.h (LIB_SPEC): Likewise.
2598 * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
2599 * config/pa/pa64-hpux.h (LIB_SPEC): Likewise.
2601 2016-04-08 Maxim Ostapenko <m.ostapenko@samsung.com>
2604 * asan.c (instrument_derefs): If we get unknown location, extract it
2606 (maybe_instrument_call): Instrument gimple_call's arguments if needed.
2608 2016-04-08 Tom de Vries <tom@codesourcery.com>
2610 * omp-low.c (lower_omp_target): Set TREE_NO_WARNING for oacc
2611 implicit firstprivate clause.
2613 2016-04-08 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
2616 * config/arm/thumb2.md (tst + branch-> lsls + branch
2617 peephole below *orsi_not_shiftsi_si): Require that condition
2618 register is dead after the peephole.
2619 (second peephole after the above): Likewise.
2621 2016-04-08 Alan Modra <amodra@gmail.com>
2624 * builtins.c (fold_builtin_classify): For IBM extended precision,
2625 look at just the high-order double to test for NaN.
2626 (fold_builtin_interclass_mathfn): Similarly for Inf. For isnormal
2627 test just the high double for Inf but both doubles for subnormal
2630 2016-04-07 Jakub Jelinek <jakub@redhat.com>
2632 * cgraph.h (struct cgraph_simd_clone): Add mask_mode field.
2633 * omp-low.c (simd_clone_init_simd_arrays, simd_clone_adjust): Handle
2634 node->simdclone->mask_mode != VOIDmode masks.
2635 (simd_clone_adjust_argument_types): Likewise. Move sc var definition
2636 earlier, use it instead of node->simdclone.
2637 * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
2638 Set clonei->mask_mode.
2640 2016-04-06 Patrick Palka <ppalka@gcc.gnu.org>
2643 * parser.c (cp_parser_iteration_statement): New parameter IF_P.
2644 Pass it through to cp_parser_already_scoped_statement.
2645 (cp_parser_already_scoped_statement): New parameter IF_P. Pass
2646 it through to cp_parser_statement.
2647 (cp_parser_statement): Pass IF_P through to
2648 cp_parser_iteration_statement.
2649 (cp_parser_pragma): Adjust call to
2650 cp_parser_iteration_statement.
2652 2016-04-06 Patrick Palka <ppalka@gcc.gnu.org>
2655 * gimplify.c (gimplify_omp_ordered): Add explicit braces to
2656 resolve a future -Wparentheses warning.
2657 * omp-low.c (scan_sharing_clauses): Likewise.
2658 * tree-parloops.c (eliminate_local_variables): Likewise.
2660 2016-04-06 Vladimir Makarov <vmakarov@redhat.com>
2662 PR rtl-optimization/70398
2663 * lra-constraints.c (process_address_1): Check zero scale and code
2664 for reloading with zero scale.
2666 2016-04-06 Uros Bizjak <ubizjak@gmail.com>
2668 * config/i386/sse.md (shuffletype): Add V32HI and V4TI modes.
2669 (ssescalarsize): Add V8SF, V4SF, V4DF and V2DF modes.
2671 2016-04-06 Jakub Jelinek <jakub@redhat.com>
2673 * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
2674 Add support for AVX512F clones, include them by default for
2675 exported OpenMP declare simd functions. For AVX2 allow simdlen 32
2676 and use it if charasteric type is 8-bit, for AVX512F allow simdlen
2680 * tree.h (OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT): Define.
2681 * gimplify.c (gimplify_adjust_omp_clauses_1): Set it for implicit
2682 firstprivate clauses.
2683 * omp-low.c (lower_send_clauses): Set TREE_NO_WARNING for
2684 OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT !by_ref vars in task contexts.
2685 (lower_omp_target): Set TREE_NO_WARNING for
2686 non-addressable possibly uninitialized vars which are copied into
2687 addressable temporaries or copied for GOMP_MAP_FIRSTPRIVATE_INT.
2689 2016-04-05 John David Anglin <danglin@gcc.gnu.org>
2691 * config/pa/predicates.md (integer_store_memory_operand): Accept
2692 REG+D operands with a large offset when reload_in_progress is true.
2693 (floating_point_store_memory_operand): Likewise.
2695 2016-04-05 Jakub Jelinek <jakub@redhat.com>
2698 * match.pd (nested int casts): Limit to GIMPLE.
2700 2016-04-05 Jan Hubicka <hubicka@ucw.cz>
2703 * ipa-devirt.c (maybe_record_node): Fix comment; use
2704 SANITIZE_UNREACHABLE instead of SANITIZE_UNDEFINED.
2706 2016-04-05 Jakub Jelinek <jakub@redhat.com>
2708 PR rtl-optimization/70542
2709 * ree.c (add_removable_extension): For VECTOR_MODE_P punt
2710 if there are any uses other than insn or debug insns.
2712 2016-04-05 Marc Glisse <marc.glisse@inria.fr>
2713 Jakub Jelinek <jakub@redhat.com>
2715 PR tree-optimization/70509
2716 * simplify-rtx.c (simplify_binary_operation_1) <case VEC_SELECT>:
2717 Shift HOST_WIDE_INT_1U instead of 1.
2719 2016-04-05 Zdenek Sojka <zsojka@seznam.cz>
2721 PR tree-optimization/70509
2722 * tree-ssa-forwprop.c (simplify_bitfield_ref): Use bitsize_int instead
2723 of the vector base type for index.
2725 2016-04-05 Uros Bizjak <ubizjak@gmail.com>
2728 * config/i386/sse.md (iptr): Add V64QI, V32HI, V16SI and V8DI modes.
2730 2016-04-05 Richard Biener <rguenther@suse.de>
2732 PR tree-optimization/70526
2733 * tree-sra.c (build_ref_for_offset): Use prev_base to
2734 extract the alias pointer type.
2736 2016-04-05 Richard Biener <rguenther@suse.de>
2738 * dse.c (struct store_info): Remove alias_set member.
2739 (struct read_info_type): Likewise.
2740 (clear_alias_group, clear_alias_mode_table, clear_alias_mode_holder,
2741 spill_deleted, clear_alias_set_lookup): Remove.
2742 (get_group_info): Remove dead base == NULL_RTX case.
2743 (dse_step0): Remove initialization of removed variables.
2744 (delete_dead_store_insn): Reomve alias set dumping.
2745 (free_read_records): Remove alias_set handling.
2746 (canon_address): Remove alias_set_out parameter.
2747 (record_store): Remove spill_alias_set, it's always zero.
2748 (check_mem_read_rtx): Likewise.
2749 (dse_step2): Rename from ...
2750 (dse_step2_nospill): ... this. Adjust.
2751 (scan_stores): Rename from ...
2752 (scan_stores_nospill): ... this.
2753 (scan_reads): Rename from ...
2754 (scan_reads_nospill): ... this.
2755 (scan_stores_spill, scan_reads_spill): Remove.
2756 (dse_step3_scan): Remove for_spills argument which is always false.
2757 (dse_step3): Likewise.
2758 (dse_step5): Rename from ...
2759 (dse_step5_nospill): ... this. Remove alias_set handling.
2760 (rest_of_handle_dse): Adjust.
2762 2016-04-05 Jakub Jelinek <jakub@redhat.com>
2765 * config/i386/sse.md (*andnot<mode>3): Simplify assertions.
2766 Use vpandn<ssemodesuffix> for V16SI/V8DImode, vpandnq for
2767 V32HI/V64QImode, don't use <mask_operand3_1>, fix up formatting.
2768 (*andnot<mode>3_mask): Remove insn with VI12_AVX512VL iterator.
2770 2016-04-05 Richard Biener <rguenther@suse.de>
2773 * gimplify-me.c (gimple_regimplify_operands): Do not rewrite
2774 non-register type temporaries into SSA.
2776 2016-04-04 Jan Hubicka <hubicka@ucw.cz>
2779 * ipa-devirt.c (maybe_record_node): Do not optimize cxa_pure_virtual
2780 calls when sanitizing.
2781 (possible_polymorphic_call_target_p): Fix formatting.
2783 2016-04-04 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2784 Jakub Jelinek <jakub@redhat.com>
2787 * tree-inline.c (estimate_num_insn): Use gimple_call_builtin_p
2788 to ensure a call statement is compatible with a built-in's
2790 * tree-ssa-math-opts.c (pass_optimize_windening_mul::execute):
2793 2016-04-04 Richard Biener <rguenther@suse.de>
2795 PR rtl-optimization/70484
2796 * rtl.h (canon_output_dependence): Declare.
2797 * alias.c (canon_output_dependence): New function.
2798 * dse.c (record_store): Use canon_output_dependence rather
2799 than canon_true_dependence.
2801 2016-03-30 Jan Hubicka <hubicka@ucw.cz>
2804 * cgraph.h (symtab_node::copy_visibility_from): New function.
2805 * symtab.c (symtab_node::copy_visibility_from): New function.
2806 * ipa-visibility.c (optimize_weakref): New function.
2807 (function_and_variable_visibility): Use it.
2809 2016-04-04 Martin Liska <mliska@suse.cz>
2812 * hsa-gen.c (gen_hsa_insns_for_switch_stmt): Guard index
2813 value that is really in range handled by SBR instruction.
2814 * hsa-brig.c (emit_switch_insn): Do not emit unconditional jump.
2815 * hsa-dump.c (dump_hsa_insn_1): Do not dump default BB.
2816 * hsa.h (hsa_insn_sbr::m_default_bb): Remove field.
2818 2016-04-03 Oleg Endo <olegendo@gcc.gnu.org>
2822 * config/sh/sh.md (*addsi3): Allow pattern when reload_in_progress is
2823 set, but not for SP_REG operands.
2825 2016-04-02 Martin Sebor <msebor@redhat.com>
2828 * fold-const.c (maybe_nonzero_address): New function.
2829 (fold_comparison): Call it. Fold equality and relational
2830 expressions involving null pointers.
2831 (tree_single_nonzero_warnv_p): Call maybe_nonzero_address.
2833 2016-03-31 Evandro Menezes <e.menezes@samsung.com>
2835 Fix the predicate "aarch64_simd_reg_or_zero" to correctly validate
2836 the "Y" constraint (scalar FP 0.0 immediate).
2838 * gcc/config/aarch64/predicates.md (aarch64_simd_reg_or_zero):
2839 Add the "const_double" to the list of operand constraints.
2841 2016-04-01 Jakub Jelinek <jakub@redhat.com>
2843 PR rtl-optimization/70467
2844 * config/i386/i386.md (*add<dwi>3_doubleword, *sub<dwi>3_doubleword):
2845 If low word of the last operand is 0, just emit addition/subtraction
2848 2016-04-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
2851 * config/s390/s390.c (s390_expand_insv): Check for everything
2852 constant instead of just VOIDmode stuff.
2854 2016-04-01 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
2857 * config/arm/arm.h (ASM_APP_OFF): Handle TARGET_ARM and TARGET_THUMB.
2859 2016-04-01 Nathan Sidwell <nathan@acm.org>
2861 * tree.def (TRY_CATCH_EXPR): Correct documentation.
2863 2016-03-31 Vladimir Makarov <vmakarov@redhat.com>
2865 PR rtl-optimization/70461
2866 * ira-color.c (allocno_copy_cost_saving): Use allocno class if it
2869 2016-03-31 Martin Liska <mliska@suse.cz>
2872 * hsa-brig.c (hsa_op_immed::emit_to_buffer): Emit either
2873 a tree value or an immediate integer value to a buffer
2874 that is eventually copied to a BRIG section.
2875 (emit_immediate_operand): Call the function here.
2876 * hsa-dump.c (dump_hsa_immed): Remove checking assert.
2877 * hsa-gen.c (hsa_op_immed::hsa_op_immed): Remove initialization
2878 of class' fields that are removed.
2879 (hsa_op_immed::~hsa_op_immed): Remove deinitialization.
2880 * hsa.h (class hsa_op_immed): Remove m_brig_repr and
2881 m_brig_repr_size fields.
2883 2016-03-31 Martin Liska <mliska@suse.cz>
2886 * hsa-gen.c (hsa_function_representation::update_dominance): New
2888 (convert_addr_to_flat_segment): Likewise.
2889 (gen_hsa_memory_set): New alignment argument.
2890 (gen_hsa_ctor_assignment): Likewise.
2891 (gen_hsa_insns_for_single_assignment): Provide alignment
2892 to gen_hsa_ctor_assignment.
2893 (gen_hsa_insns_for_direct_call): Add new argument.
2894 (expand_lhs_of_string_op): New function.
2895 (expand_string_operation_builtin): Likewise.
2896 (expand_memory_copy): New function.
2897 (expand_memory_set): New function.
2898 (gen_hsa_insns_for_call): Use HOST_WIDE_INT.
2899 (convert_switch_statements): Change signature.
2900 (generate_hsa): Use a return value of the function.
2901 (pass_gen_hsail::execute): Do not call
2902 convert_switch_statements here.
2903 * hsa-regalloc.c (hsa_regalloc): Call update_dominance.
2904 * hsa.h (hsa_function_representation::m_modified_cfg): New flag.
2905 (hsa_function_representation::update_dominance): New function.
2907 2016-03-31 Martin Liska <mliska@suse.cz>
2910 * hsa-brig.c (emit_directive_variable): Emit alignment
2911 according to hsa_symbol::m_align.
2912 * hsa-dump.c (hsa_byte_alignment): Move the function to another file.
2913 (dump_hsa_symbol): Dump alignment of HSA symbols.
2914 * hsa-gen.c (get_symbol_for_decl): Set-up alignment of a symbol.
2915 (gen_hsa_addr_with_align): New function.
2916 (hsa_bitmemref_alignment): Use newly added function.
2917 (gen_hsa_insns_for_load): Likewise.
2918 (gen_hsa_insns_for_store): Likewise.
2919 (gen_hsa_memory_copy): New argument added.
2920 (gen_hsa_insns_for_single_assignment): Respect
2921 alignment for assignments processed via gen_hsa_memory_copy.
2922 (gen_hsa_insns_for_direct_call): Likewise.
2923 (gen_hsa_insns_for_return): Likewise.
2924 (gen_function_def_parameters): Set default alignment.
2925 * hsa.c (hsa_object_alignment): New function.
2926 (hsa_byte_alignment): Pasted function.
2927 * hsa.h (hsa_symbol::m_align): New field.
2929 2016-03-31 Bin Cheng <bin.cheng@arm.com>
2931 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Initialize
2932 scratch field for goto case.
2934 2016-03-31 James Greenhalgh <james.greenhalgh@arm.com>
2936 * config/arm/linux-elf.h (ASM_OUTPUT_DEF): Delete.
2938 2016-03-31 Ilya Enkovich <enkovich.gnu@gmail.com>
2941 * config/i386/i386.c (scalar_chain::convert_op): Fix description.
2942 (scalar_chain::convert_insn): Call convert_op for reg
2943 moves to handle undefined registers.
2945 2016-03-31 Nathan Sidwell <nathan@acm.org>
2948 * varasm.c (output_constructor_regular_field): Flush bitfield earlier.
2949 Assert we don't want to move backwards.
2951 2016-03-31 Kirill Yukhin <kirill.yukhin@intel.com>
2954 * config/i386/sse.md (define_mode_attr shuffletype): Fix typo.
2956 2016-03-31 Jakub Jelinek <jakub@redhat.com>
2958 PR rtl-optimization/70460
2959 * ira.c (indirect_jump_optimize): Don't substitute LABEL_REF
2960 with operand from REG_LABEL_OPERAND, instead substitute
2961 SET_SRC or REG_EQUAL note content if it is a LABEL_REF.
2962 Don't do anything for REG_NON_LOCAL_GOTO jumps.
2964 2016-03-31 Martin Liska <mliska@suse.cz>
2966 * passes.c (execute_one_pass): Do not call
2967 todo_after for a discarded function.
2969 2016-03-31 Bin Cheng <bin.cheng@arm.com>
2971 * tree-ssa-loop-ivopts.c (struct comp_cost): New scrach field.
2972 (no_cost, infinite_cost): Initialize the new field.
2973 (get_computation_cost_at): Record setup cost.
2974 (determine_use_iv_cost_address): Skip cost computation for sub
2975 uses if we can estimate it without losing accuracy.
2977 2016-03-30 Jan Hubicka <hubicka@ucw.cz>
2979 * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can't get realistic
2981 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
2982 max_loop_iterations_int.
2983 (tree_unswitch_outer_loop): Likewise.
2984 * tree-ssa-loop-ivopts.c (avg_loop_niter): Likewise.
2985 * tree-vect-loop.c (vect_analyze_loop_2): Likewise.
2987 2016-03-30 Richard Biener <rguenther@suse.de>
2990 * fold-const.c (extract_muldiv_1): Fix thinko in wide_int::from usage.
2992 2016-03-30 Jakub Jelinek <jakub@redhat.com>
2995 * config/i386/i386.c (ix86_expand_vector_set): Fix up argument order
2996 in gen_blendm expander.
2998 2016-03-30 Nick Clifton <nickc@redhat.com>
3001 * config/arm/arm.c (arm_reload_out_hi): Add code to handle the
3002 case where we are already provided with an SImode SUBREG.
3004 2016-03-30 H.J. Lu <hongjiu.lu@intel.com>
3007 * config/i386/i386.c (ix86_expand_epilogue): Properly check
3008 conflict between DRAP register and __builtin_eh_return.
3010 2016-03-30 Michael Matz <matz@suse.de>
3011 Richard Biener <rguenther@suse.de>
3014 * ipa-polymorphic-call.c (struct type_change_info): Change
3015 speculative to an unsigned allowing to limit the work we do.
3016 (csftc_abort_walking_p): New inline function..
3017 (check_stmt_for_type_change): Limit the number of may-defs
3018 skipped for speculative devirtualization to
3019 max-speculative-devirt-maydefs.
3020 * params.def (max-speculative-devirt-maydefs): New param.
3021 * doc/invoke.texi (--param max-speculative-devirt-maydefs): Document.
3023 2016-03-30 Mike Stump <mrs@gcc.gnu.org>
3026 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Use when profiling
3029 2016-03-30 Patrick Palka <ppalka@gcc.gnu.org>
3031 PR tree-optimization/59124
3032 * tree-vrp.c (register_edge_assert_for_2): For NAME != CST1
3033 where NAME = A +- CST2 add the assertion A != (CST1 -+ CST2).
3035 2016-03-29 Jeff Law <law@redhat.com>
3037 * tree-ssa-coalesce.c (struct ssa_conflicts): Fix typo in comment.
3039 2016-03-10 Jan Hubicka <hubicka@ucw.cz>
3041 * tree-ssa-loop-ivcanon.c (try_peel_loop): Change type of peel
3044 2016-03-29 Thomas Schwinge <thomas@codesourcery.com>
3046 * config/gnu.h (CPP_SPEC, LIB_SPEC): Don't override.
3047 * config/i386/gnu.h (STARTFILE_SPEC): Use gcrt1.o instead of
3048 gcrt0.o if linking dynamically.
3050 2016-03-10 Jan Hubicka <hubicka@ucw.cz>
3053 * ipa-devirt.c (methods_equal_p): New function.
3054 (compare_virtual_tables): Use it.
3055 * cgraph.h (symbol_table::symbol_suffix_separator): Declare.
3056 * cgraphclones.c (clone_function_name_1): Use
3057 symbol_table::symbol_suffix_separator.
3058 * coverage.c (build_var): Likewise.
3059 * symtab.c (symbol_table::symbol_suffix_separator): New.
3061 2016-03-29 Jakub Jelinek <jakub@redhat.com>
3063 PR rtl-optimization/70429
3064 * combine.c (simplify_shift_const_1): For ASHIFTRT don't optimize
3065 (cst1 >> count) >> cst2 into (cst1 >> cst2) >> count if
3066 mode != result_mode.
3069 * tree-inline.c (remap_decls): Don't add_local_decl if cfun is null.
3071 PR tree-optimization/70405
3072 * ssa-iterators.h (num_imm_uses): Add missing braces.
3074 2016-03-29 Vladimir Makarov <vmakarov@redhat.com>
3076 PR rtl-optimization/68695
3077 * ira-color.c (allocno_copy_cost_saving): New.
3078 (improve_allocation): Use it.
3080 2016-03-29 Richard Henderson <rth@redhat.com>
3083 * lower-subreg.c (simplify_subreg_concatn): Reject paradoxical subregs.
3085 2016-03-29 Richard Biener <rguenther@suse.de>
3088 * ipa-prop.c (ipa_compute_jump_functions_for_edge): Always
3089 use alignment returned by get_pointer_alignment_1 if it is
3090 bigger than BITS_PER_UNIT.
3091 * builtins.c (get_pointer_alignment_1): Do not return true
3092 for alignment extracted from SSA info.
3094 2016-03-28 James Bowman <james.bowman@ftdichip.com>
3096 * config/ft32/ft32.opt (mnodiv): New.
3097 * config/ft32/ft32.md (*divsi3, *modsi3): Qualify with TARGET_NODIV.
3098 * doc/invoke.texi (FT32 Options -mnodiv): New.
3100 2016-03-28 Kirill Yukhin <kirill.yukhin@intel.com>
3103 * config/i386/i386.md (define_split, andn): Fix modes.
3105 2016-03-26 Richard Biener <rguenther@suse.de>
3106 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
3109 * ipa-inline-transform.c (inline_call): Pass opts_for_fn (to->decl)
3111 TREE_OPTIMIZATION (DECL_FUNCTION_SPECIFIC_OPTIMIZATION (to->decl))
3112 as 2nd argument to cl_optimization_restore().
3114 2016-03-25 Richard Henderson <rth@redhat.com>
3117 * config/aarch64/aarch64.c (aarch64_asm_output_pool_epilogue): New.
3118 * config/aarch64/aarch64-protos.h: Declare it.
3119 * config/aarch64/aarch64.h (ASM_OUTPUT_POOL_EPILOGUE): New.
3121 2016-03-25 Alan Modra <amodra@gmail.com>
3124 * config/rs6000/constraints.md (j): Simplify.
3125 * config/rs6000/predicates.md (easy_fp_constant): Exclude
3127 * config/rs6000/rs6000.md (zero_fp): New mode_attr.
3128 (mov<mode>_hardfloat, mov<mode>_hardfloat32, mov<mode>_hardfloat64,
3129 mov<mode>_64bit_dm, mov<mode>_32bit): Use zero_fp in place of j
3130 in all constraint alternatives.
3131 (movtd_64bit_nodm): Delete "j" constraint alternative.
3133 2016-03-24 Aldy Hernandez <aldyh@redhat.com>
3135 * tree-ssa-propagate.c: Enhance docs for
3136 SSA_PROP_NOT_INTERESTING.
3138 2016-03-24 Aldy Hernandez <aldyh@redhat.com>
3140 * doc/extend.texi: Fix typo in documentation to pure attribute.
3142 2016-03-24 John David Anglin <danglin@gcc.gnu.org>
3145 * config/pa/pa.md (bswapdi2): Use a scratch register.
3147 2016-03-24 Richard Henderson <rth@redhat.com>
3150 * fold-const.c (extract_muldiv_1): Correct test for multiplication
3153 2016-03-24 Uros Bizjak <ubizjak@gmail.com>
3155 * config/i386/i386.md (*anddi3_doubleword): Generate AND insn
3156 using ix86_expand_binary_operator instead of gen_andsi3.
3158 2016-03-24 Richard Biener <rguenther@suse.de>
3160 PR tree-optimization/70396
3161 * tree-vect-stmts.c (vectorizable_comparison): Use
3162 get_vectype_for_scalar_type.
3164 2016-03-24 Richard Biener <rguenther@suse.de>
3167 * gimplify.c (gimplify_asm_expr): Handle !allows_mem outputs
3168 with register bases.
3170 2016-03-24 Richard Biener <rguenther@suse.de>
3172 PR tree-optimization/70372
3173 * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Use
3174 build_all_ones_cst to also handle vector types correctly.
3176 2016-03-23 Michael Meissner <meissner@linux.vnet.ibm.com>
3179 * config/rs6000/rs6000-cpus.def (ISA_2_6_MASKS_SERVER): Do not set
3182 2016-03-23 Marek Polacek <polacek@redhat.com>
3185 * doc/invoke.texi: Document -Wignored-attributes.
3187 2016-03-23 Bin Cheng <bin.cheng@arm.com>
3189 PR tree-optimization/69042
3190 * params.def (PARAM_IV_CONSIDER_ALL_CANDIDATES_BOUND): Increase the
3191 parameter from 30 to 40.
3193 2016-03-23 Bin Cheng <bin.cheng@arm.com>
3195 PR tree-optimization/69042
3196 * tree-ssa-loop-ivopts.c (add_iv_candidate_for_use): Add IV cand
3197 for use with constant offset stripped in base.
3199 2016-03-23 Richard Biener <rguenther@suse.de>
3202 * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Adjust
3203 mode compatibility check.
3204 (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
3206 2016-03-23 Jeff Law <law@redhat.com>
3208 PR tree-optimization/64058
3209 * tree-ssa-coalesce.c (struct coalesce_pair): Add new field
3211 (struct ssa_conflicts): Move up earlier in the file.
3212 (conflicts_, var_map_): New static variables.
3213 (initialize_conflict_count): New function to initialize the
3214 CONFLICT_COUNT field for each conflict pair.
3215 (compare_pairs): Lazily initialize the conflict count and use it
3216 as the first tie-breaker.
3217 (sort_coalesce_list): Add new arguments conflicts, map. Initialize
3218 and wipe conflicts_ and map_ around the call to qsort. Remove
3219 special case for 2 coalesce pairs.
3220 * bitmap.c (bitmap_count_unique_bits): New function.
3221 (bitmap_count_bits_in_word): New function, extracted from
3223 (bitmap_count_bits): Use bitmap_count_bits_in_word.
3224 * bitmap.h (bitmap_count_unique_bits): Declare it.
3226 2016-03-23 Ilya Enkovich <enkovich.gnu@gmail.com>
3229 * config/i386/sol2.h (ASM_OUTPUT_DEF_FROM_DECLS): Follow
3230 transparent alias chain for decl assembler name.
3231 * config/sol2.c (solaris_assemble_visibility): Likewise.
3233 2016-03-23 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
3235 * config/arm/arm1020e.md (1020call_op): Reduce reservation
3237 (v10_fdivs): Likewise.
3238 (v10_fdivd): Likewise.
3240 2016-03-23 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
3243 * config/arm/driver-arm.c (host_detect_local_cpu): Reorder exit logic
3244 to not call fclose twice on file.
3246 2016-03-23 Jakub Jelinek <jakub@redhat.com>
3248 PR tree-optimization/70354
3249 * tree-vect-patterns.c (vect_recog_vector_vector_shift_pattern): If
3250 oprnd0 is wider than oprnd1 and there is a cast from the wider
3251 type to oprnd1, mask it with the mask of the narrower type.
3254 * config/i386/i386.md (*anddi3_doubleword, *<code>di3_doubleword):
3255 Optimize TARGET_STV splitters, if high or low word of last argument
3258 2016-03-22 Jeff Law <law@redhat.com>
3261 tree-ssa-threadbackward.c
3262 (fsm_find_control_statement_thread_paths): Correctly distinguish
3263 between old style jump threads vs FSM jump threads.
3265 2016-03-22 Ilya Enkovich <enkovich.gnu@gmail.com>
3268 * config/i386/i386.c (scalar_chain::convert_op): Support
3269 uninitialized register usage case.
3271 2016-03-22 Richard Biener <rguenther@suse.de>
3274 * genmatch.c (gen_transform): Adjust last parameter to a three-state
3276 (capture::gen_transform): ... to change behavior when substituting
3277 a condition into cond or not-cond expr context.
3278 (dt_simplify::gen_1): Adjust.
3279 * gimple-match-head.c: Include gimplify.h for unshare_expr.
3280 * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Revert
3281 last change and instead change to
3282 A + (B vcmp C ? 1 : 0) -> A - (B vcmp C ? -1 : 0).
3283 (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
3285 2016-03-22 Anthony Green <green@moxielogic.com>
3287 * config/moxie/moxiebox.h (CC1_SPEC): Define. Fix endianness
3288 issue for moxiebox targets.
3289 (CC1PLUS_SPEC): Ditto.
3291 2016-03-22 Richard Biener <rguenther@suse.de>
3294 * fold-const.c (extract_muldiv_1): Properly perform multiplication
3297 2016-03-22 Kirill Yukhin <kirill.yukhin@intel.com>
3299 * config/i386/i386.c (def_builtin): Remove duplicated functionality.
3301 2016-03-22 Kirill Yukhin <kirill.yukhin@intel.com>
3304 * config/i386/i386.c (def_builtin): Handle
3305 OPTION_MASK_ISA_AVX512VL to be and-ed with other
3307 (const struct builtin_description bdesc_special_args[]):
3308 Remove duplicate ISA bits.
3310 2016-03-22 Jakub Jelinek <jakub@redhat.com>
3313 * config/i386/i386.c (ix86_expand_vecop_qihi): Don't bother computing
3314 d.perm[i] for i >= d.nelt. If not full_interleave, compute d.perm[i]
3315 in a way that works also for AVX512BW.
3318 * config/i386/i386.md (cvtsd2ss splitter): Unpack in destination
3319 instead of source if operands[1] is xmm16 and above and
3320 !TARGET_AVX512VL. Use avx512f_vec_dupv16sf_1 instead of
3321 vec_interleave_lowv4sf if we need to unpack xmm16 and above.
3324 * gimplify.c (gimplify_modify_expr): Call gimple_set_no_warning
3325 on assign if (*from_p) is a comparison, set it to
3326 TREE_NO_WARNING (*from_p).
3328 2016-03-21 Jakub Jelinek <jakub@redhat.com>
3331 * lra.c (restore_scratches): Ignore deleted insns.
3333 2016-03-21 Marc Glisse <marc.glisse@inria.fr>
3334 Jakub Jelinek <jakub@redhat.com>
3336 PR tree-optimization/70317
3337 * match.pd (cmp @0 @0): Pass @0 instead of TYPE_MODE (TREE_TYPE (@0))
3340 2016-03-21 Uros Bizjak <ubizjak@gmail.com>
3343 * config/i386/i386.md (movxi): Use ix86_expand_vector_move instead
3344 of ix86_expand_move.
3346 (movti): Use general_operand for operand 1 predicate.
3348 2016-03-21 Martin Liska <mliska@suse.cz>
3350 * hsa-dump.c (dump_hsa_insn_1): dump default branch of SBR
3352 (dump_hsa_symbol): Dump BRIG offset of hsa_symbols.
3354 2016-03-21 Martin Liska <mliska@suse.cz>
3357 * ipa-icf.c (sem_function::parse): Skip static
3358 constructors and destructors.
3360 2016-03-21 Jakub Jelinek <jakub@redhat.com>
3363 * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If IDENT is
3364 function-like macro, peek following token(s) if it is followed
3365 by CPP_OPEN_PAREN token with optional padding in between, and
3366 if not, don't treat it like a macro.
3368 2016-03-21 Thomas Schwinge <thomas@codesourcery.com>
3369 Alexander Monakov <amonakov@ispras.ru>
3371 * config/nvptx/nvptx.c (nvptx_option_override): Don't emit sorry
3372 for the stabs debug format.
3374 2016-03-21 Richard Biener <rguenther@suse.de>
3376 PR tree-optimization/70310
3377 * tree-vect-generic.c (expand_vector_condition): Fold the built
3380 2016-03-21 Kirill Yukhin <kirill.yukhin@intel.com>
3383 * config/i386/sse.md: (define_insn "*vec_dup<mode>"/AVX2):
3384 Block third alternative for AVX-512VL target,
3386 2016-03-21 Martin Liska <mliska@suse.cz>
3389 * hsa-brig.c (emit_function_directives): Mark unemitted
3390 global variables for emission.
3391 * hsa-gen.c (hsa_symbol::hsa_symbol): Initialize a new flag.
3392 (get_symbol_for_decl): Likewise.
3393 * hsa.h (struct hsa_symbol): New flag.
3395 2016-03-21 Richard Biener <rguenther@suse.de>
3397 PR tree-optimization/70288
3398 * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Make sure
3399 we do not estimate unsimplified all-constant conditionals or
3400 switches as optimized away.
3402 2016-03-21 Andrey Belevantsev <abel@ispras.ru>
3404 PR rtl-optimization/69102
3405 * sched-deps.c (sched_analyze_insn): Do not set last_args_size field
3406 when we have a readonly dependency context.
3408 2016-03-18 Jeff Law <law@redhat.com>
3410 PR rtl-optimization/70263
3411 * ira.c (memref_used_between_p): Assert we found END in the insn chain.
3412 (update_equiv_regs): When trying to move a store to after the insn
3413 that sets the source of the store, make sure the store occurs after
3414 the insn that sets the source of the store. When successful note
3415 the REG_EQUIV note created in the dump file.
3417 2016-03-16 David Wohlferd <dw@LimeGreenSocks.com>
3418 Bernd Schmidt <bschmidt@redhat.com>
3420 * doc/extend.texi: Document more potential problems with basic asms.
3422 2016-03-18 Bernd Schmidt <bschmidt@redhat.com>
3424 PR rtl-optimization/70278
3425 * lra-constraints.c (split_reg): Handle the case where biggest_mode is
3428 2016-03-18 Jason Merrill <jason@redhat.com>
3430 * calls.c (load_register_parameters): Fix zero size sibcall logic.
3432 2016-03-18 Kirill Yukhin <kirill.yukhin@intel.com>
3434 * config/i386/sse.md: Use vpbroadcastq for broadcasting DF
3435 values to 128b regs.
3437 2016-03-18 Ilya Enkovich <enkovich.gnu@gmail.com>
3439 PR tree-optimization/70252
3440 * tree-vect-stmts.c (supportable_widening_operation): Check resulting
3441 boolean vector has a proper number of elements.
3442 (supportable_narrowing_operation): Likewise.
3444 2016-03-18 Tom de Vries <tom@codesourcery.com>
3447 * cgraph.c (cgraph_node::get_body): Set dump_file to NULL after save.
3449 2016-03-18 Jakub Jelinek <jakub@redhat.com>
3451 * reload1.c (emit_input_reload_insns): Use simplify_replace_rtx
3452 instead of replace_rtx for DEBUG_INSNs.
3454 2016-03-18 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
3456 * config/i386/znver1.md : Fix latencies of FP/SSE/AVX
3457 load type reservations.
3459 2016-03-17 John David Anglin <danglin@gcc.gnu.org>
3462 * config/pa/constraints.md: Revert 2015-02-13 change. Use
3463 define_constraint for "Q" and "T" constraints.
3465 2016-03-17 Evandro Menezes <e.menezes@samsung.com>
3467 Tweak the pipeline model for Exynos M1
3469 * config/aarch64/aarch64.c (exynosm1_tunings): Enable weak prefetching
3472 2016-03-17 David Malcolm <dmalcolm@redhat.com>
3475 * diagnostic-show-locus.c (compatible_locations_p): Handle the case
3476 where one or both locations aren't within a line_map.
3478 2016-03-17 H.J. Lu <hongjiu.lu@intel.com>
3481 * opts.c (finish_options): Don't set flag_pie to the default if
3482 -fpic, -fPIC, -fno-pic or -fno-PIC is used. Set flag_pic to 0
3485 2016-03-17 Joern Rennecke <joern.rennecke@embecosm.com>
3487 * config/i386/i386.md (*movv4qicc_insn+1..36): Pass
3488 true as ALL_REGS argument to replace_rtx.
3490 2016-03-17 Richard Biener <rguenther@suse.de>
3493 * dwarf2out.c (dwarf2out_early_finish): Process deferred_asm_name
3496 2016-03-17 Jakub Jelinek <jakub@redhat.com>
3499 * rtl.h (replace_rtx): Add ALL_REGS argument.
3500 * rtlanal.c (replace_rtx): Likewise. If true, use REGNO
3501 equality and assert mode is the same, instead of just rtx pointer
3503 * config/i386/i386.md (mov + arithmetics with load peephole): Pass
3504 true as ALL_REGS argument to replace_rtx.
3506 2016-03-17 Ilya Enkovich <enkovich.gnu@gmail.com>
3508 * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Apply
3509 for boolean vector with vector mode only.
3510 (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
3512 2016-03-17 Nick Clifton <nickc@redhat.com>
3515 * config/rx/rx.c (rx_print_integer): Print negative constants in
3518 2016-03-17 Jakub Jelinek <jakub@redhat.com>
3521 * rtlanal.c (replace_rtx): Revert 2016-03-16 change.
3523 2016-03-16 Richard Henderson <rth@redhat.com>
3524 Richard Biener <rguenth@suse.de>
3529 * gimplify.c (gimplify_expr) [VEC_COND_EXPR]: Gimplify the
3530 first operand as is_gimple_condexpr.
3535 2015-12-11 Eric Botcazou <ebotcazou@adacore.com>
3536 * tree-vect-generic.c (tree_vec_extract): Remove GSI parameter.
3537 Do not gimplify the result.
3538 (do_unop): Adjust call to tree_vec_extract.
3539 (do_binop): Likewise.
3540 (do_compare): Likewise.
3541 (do_plus_minus): Likewise.
3542 (do_negate): Likewise.
3543 (expand_vector_condition): Likewise.
3544 (do_cond): Likewise.
3546 2016-03-16 Richard Henderson <rth@redhat.com>
3549 * config/aarch64/aarch64.c (virt_or_elim_regno_p): New.
3550 (aarch64_classify_address): Use it.
3551 (aarch64_legitimize_address): Force all subexpressions of PLUS
3552 into registers. Simplify as (sfp+const)+reg or (reg+reg)+const.
3554 2016-03-16 Jakub Jelinek <jakub@redhat.com>
3555 Richard Biener <rguenth@suse.de>
3558 * rtlanal.c (replace_rtx): For REG, if from is a REG,
3559 return to even if only REGNO is equal, and assert
3562 2016-03-11 Jeff Law <law@redhat.com>
3564 PR rtl-optimization/70224
3565 * reorg.c (relax_delay_slots): Pass right argument to CROSSING_JUMP_P.
3567 2016-03-16 Richard Henderson <rth@redhat.com>
3570 * function.h (struct function): Add has_forced_label_in_static.
3571 * gimplify.c (force_labels_r): Set it.
3572 * lto-streamer-in.c (input_struct_function_base): Read it.
3573 * lto-streamer-out.c (output_struct_function_base): Write it.
3574 * tree-inline.c (has_label_address_in_static_1): Remove.
3575 (copy_forbidden): Remove fndecl parameter; test
3576 has_forced_label_in_static.
3577 (inline_forbidden_p): Update call to copy_forbidden.
3578 (tree_versionable_function_p): Likewise.
3579 * ipa-chkp.c (chkp_instrumentable_p): Likewise.
3580 (chkp_versioning): Likewise.
3581 * tree-inline.h (copy_forbidden): Update decl.
3583 2016-03-16 Marek Polacek <polacek@redhat.com>
3586 * cgraphunit.c (cgraph_node::expand_thunk): Also build call to the
3587 function being thunked if the result type doesn't have fixed size.
3588 * gimplify.c (gimplify_modify_expr): Also set LHS if the result type
3589 doesn't have fixed size.
3591 2016-03-16 Bin Cheng <bin.cheng@arm.com>
3593 * tree-vect-loop.c (vect_analyze_loop_2): Fix wrong dump info by
3594 reporting malformed loop nest.
3596 2016-03-16 Tom de Vries <tom@codesourcery.com>
3599 * ipa-devirt.c (possible_polymorphic_call_targets): Move
3600 nodes.length () == 1 test to before first nodes[0] access.
3602 2016-03-16 Tom de Vries <tom@codesourcery.com>
3604 PR tree-optimization/68715
3605 * graphite-scop-detection.c (scop_detection::merge_sese): Add missing
3608 2016-03-16 Tom de Vries <tom@codesourcery.com>
3610 PR tree-optimization/68809
3611 * graphite-scop-detection.c (same_close_phi_node): Test if result types
3614 2016-03-16 Carlos O'Donell <carlos@redhat.com>
3615 Sandra Loosemore <sandra@codesourcery.com>
3617 * doc/extend.texi (Common Function Attributes): Describe ifunc impact
3618 on leaf attribute. Mention ELF interposition problems.
3620 2016-03-16 Alan Modra <amodra@gmail.com>
3622 PR rtl-optimization/69195
3623 PR rtl-optimization/47992
3624 * ira.c (indirect_jump_optimize): Ignore artificial defs.
3627 2016-03-15 Eric Botcazou <ebotcazou@adacore.com>
3630 * dwarf2out.c (flush_limbo_die_list): Really flush the limbo list.
3632 2016-03-15 Senthil Kumar Selvaraj <senthil_kumar.selvaraj@atmel.com>
3634 * config/avr/avr.md (rotl<mode>3): Set mode for operand 2.
3636 2016-03-15 Jakub Jelinek <jakub@redhat.com>
3638 PR rtl-optimization/70222
3639 * combine.c (simplify_shift_const_1): For A >> B >> C LSHIFTRT
3640 optimization if mode is different from result_mode, queue up masking
3641 of the result in outer_op. Formatting fix.
3644 * tree-ssa-sccvn.c (VN_INFO_GET): Use safe_grow_cleared instead
3647 2016-03-15 Andrey Belevantsev <abel@ispras.ru>
3649 PR rtl-optimization/69032
3650 * sel-sched-ir.c (get_seqno_by_preds): Include both insn and head when
3651 looping backwards over basic block insns.
3653 2016-03-15 Andrey Belevantsev <abel@ispras.ru>
3656 * sel-sched-ir.c (merge_expr): Avoid changing the speculative pattern
3657 to non-speculative when propagating trap bits.
3659 2016-03-15 Andrey Belevantsev <abel@ispras.ru>
3661 PR rtl-optimization/63384
3662 * sel-sched.c (invoke_aftermath_hooks): Do not decrease issue_more on
3665 2016-03-15 Andrey Belevantsev <abel@ispras.ru>
3668 * sched-deps.c (get_implicit_reg_pending_clobbers): New function,
3669 factored out from ...
3670 (sched_analyze_insn): ... here.
3671 * sched-int.h (get_implicit_reg_pending_clobbers): Declare it.
3672 * sel-sched-ir.c (setup_id_implicit_regs): New function, use
3673 get_implicit_reg_pending_clobbers in it.
3674 (setup_id_reg_sets): Use setup_id_implicit_regs.
3675 (deps_init_id): Ditto.
3677 2016-03-15 Tom de Vries <tom@codesourcery.com>
3680 * cgraph.c (cgraph_node::get_body): Save, reset and restore
3682 * passes.c (execute_one_ipa_transform_pass): Add missing argument to
3683 execute_function_dump.
3684 (execute_one_pass): Don't dump function if it will be dumped after ipa
3687 2016-03-15 Segher Boessenkool <segher@kernel.crashing.org>
3689 * genrecog.c (match_pattern_2): If pred is NULL don't call
3690 safe_predicate_mode on it.
3692 2016-03-14 Jakub Jelinek <jakub@redhat.com>
3695 * lra-constraints.c (delete_move_and_clobber): Change assertion
3696 to also allow dregno == 0.
3698 2016-03-14 Richard Henderson <rth@redhat.com>
3701 * tree-ssa-reassoc.c (ovce_extract_ops, optimize_vec_cond_expr): New.
3702 (can_reassociate_p): Allow ANY_INTEGRAL_TYPE_P.
3703 (reassociate_bb): Use optimize_vec_cond_expr; avoid
3704 optimize_range_tests, attempt_builtin_copysign and attempt_builtin_powi
3707 2016-03-14 Bernd Schmidt <bschmidt@redhat.com>
3710 * lra-lives.c (process_bb_lives): Also update biggest mode for hard
3712 (lra_create_live_ranges_1): initialize hard register biggest_mode to
3714 * lra-constraints.c (split_reg): For hard regs, try to find the
3715 biggest single-register mode used in the function.
3717 2016-03-14 Richard Biener <rguenther@suse.de>
3719 PR tree-optimization/56365
3720 * tree-ssa-phiopt.c (minmax_replacement): Handle alternate
3721 constants to compare against.
3723 2016-03-14 Segher Boessenkool <segher@kernel.crashing.org>
3726 * config/rs6000/rs6000.md (*ctr<mode>_internal1, *ctr<mode>_internal2,
3727 *ctr<mode>_internal5, *ctr<mode>_internal6): Also allow "d" as output.
3728 (define_split for the GPR case): Use int_reg_operand instead of
3729 gpc_reg_operand for the output.
3731 2016-03-14 Tom de Vries <tom@codesourcery.com>
3733 PR tree-optimization/70045
3734 * graphite-isl-ast-to-gimple.c (graphite_create_new_loop_guard): Unshare
3735 create_empty_if_region_on_edge argument.
3737 2016-03-13 Eric Botcazou <ebotcazou@adacore.com>
3739 * config/arm/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Define.
3740 (STACK_CHECK_PROTECT): Likewise.
3741 * config/i386/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise
3742 (STACK_CHECK_PROTECT): Likewise.
3743 * config/rs6000/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise
3744 (STACK_CHECK_PROTECT): Likewise.
3745 * config/rs6000/vxworksae.h (STACK_CHECK_PROTECT): Likewise.
3746 * config/sparc/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise.
3747 (STACK_CHECK_PROTECT): Likewise.
3749 2016-03-12 Andrey Belevantsev <abel@ispras.ru>
3751 PR rtl-optimization/69307
3752 * sel-sched.c (choose_best_pseudo_reg): Properly check for hard
3753 registers in modes that span more than one register.
3755 2016-03-12 Vladimir Makarov <vmakarov@redhat.com>
3758 * lra-constraints.c (delete_move_and_clobber): New.
3759 (remove_inheritance_pseudos): Use it.
3761 2016-03-12 Eric Botcazou <ebotcazou@adacore.com>
3764 * calls.c (emit_library_call_value_1): Clear the ECF_NOTHROW flag if
3765 the libcall is LCT_THROW.
3766 * explow.c (probe_stack_range): Pass LCT_THROW to emit_library_call
3767 for the checking routine.
3769 2016-03-11 Michael Meissner <meissner@linux.vnet.ibm.com>
3772 * config/rs6000/rs6000.md (round32<mode>2_fprs): Do not do the
3773 optimization if we have direct move.
3774 (roundu32<mode>2_fprs): Likewise.
3776 2016-03-11 Bernd Schmidt <bschmidt@redhat.com>
3779 * lra-remat.c (operand_to_remat): Disallow hard regs in the value t
3781 (reg_overlap_for_remat_p): Renamed from input_regno_present_p.
3782 Arguments swapped. All callers changed. Take reg_renumber into
3783 account, and Calculate and compare register ranges for hard regs.
3785 2016-03-11 Jeff Law <law@redhat.com>
3787 PR tree-optimization/70190
3788 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
3789 Handle cases where we can not extract the taken edge, even though we
3790 found a constant value.
3792 PR tree-optimization/64058
3793 * tree-ssa-coalesce.c (struct coalesce_pair): Add new field INDEX.
3794 (num_coalesce_pairs): Move up earlier in file.
3795 (find_coalesce_pair): Initialize the INDEX field for each pair
3797 (compare_pairs): No longer sort on the elements in each pair.
3798 Instead break ties with the index of the coalesce pair.
3800 2016-03-11 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
3803 * config/aarch64/aarch64-protos.h
3804 (aarch64_save_restore_target_globals): New prototype.
3805 * config/aarch64/aarch64-c.c (aarch64_pragma_target_parse):
3806 Call the above when popping pragma.
3807 * config/aarch64/aarch64.c (aarch64_save_restore_target_globals):
3809 (aarch64_set_current_function): Rewrite using the above.
3811 2016-03-11 Jakub Jelinek <jakub@redhat.com>
3813 PR tree-optimization/70177
3814 * gimple-expr.h (extract_ops_from_tree_1): Renamed to ...
3815 (extract_ops_from_tree): ... this. In the 2 argument
3816 overload remove _1 suffix.
3817 * gimple-expr.c (extract_ops_from_tree_1): Renamed to ...
3818 (extract_ops_from_tree): ... this.
3819 * gimple.c (gimple_build_assign, gimple_assign_set_rhs_from_tree):
3821 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Likewise.
3822 * tree-ssa-forwprop.c (defcodefor_name): Call 3 operand
3823 extract_ops_from_tree instead of 2 operand one.
3825 2016-03-11 Alan Lawrence <alan.lawrence@arm.com>
3827 PR tree-optimization/70013
3828 * tree-sra.c (analyze_access_subtree): Also set grp_unscalarized_data
3829 for constant-pool entries.
3831 2016-03-11 Jakub Jelinek <jakub@redhat.com>
3833 PR rtl-optimization/70174
3834 * expmed.c (store_bit_field_using_insv): Use gen_lowpart_if_possible
3835 followed by gen_lowpart on force_reg instead of just gen_lowpart.
3837 PR tree-optimization/70169
3838 * tree-ssa-loop.c (gen_lsm_tmp_name): Handle FUNCTION_DECL and
3839 LABEL_DECL like VAR_DECL. Emit nothing instead of gcc_unreachable
3842 2016-03-11 Ilya Enkovich <enkovich.gnu@gmail.com>
3843 Jakub Jelinek <jakub@redhat.com>
3846 * config/i386/i386.c (scalar_chain::convert_reg): Skip uses
3847 of uninitialized values.
3849 2016-03-11 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
3851 * config/s390/s390.md ("trunctddd2"): Turn former define_insn into
3853 ("*trunctddd2"): New pattern definition.
3854 ("trunctdsd2"): Set prep_for_short_prec rounding mode for the
3857 2016-03-11 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
3859 * config/s390/s390.md (BFP_RND_*, DFP_RND_*): Add new constant
3860 definitions for BFP and DFP rounding modes.
3861 ("fixuns_truncdddi2", "fixuns_trunctddi2")
3862 ("fixuns_trunc<BFP:mode><GPR:mode>2", "fixuns_trunc<mode>si2")
3863 ("fix_trunc<DSF:mode><GPR:mode>2", "fix_trunc<mode>di2")
3864 ("fix_trunctf<mode>2"): Use the new constants instead of magic
3867 2016-03-11 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
3869 * config/s390/constraints.md: Adjust comment.
3870 ("Y"): Adjust comment. Rename s390_decompose_shift_count to
3871 s390_decompose_addrstyle_without_index.
3872 * config/s390/predicates.md (shift_count_or_setmem_operand):
3873 Rename to setmem_operand.
3874 * config/s390/s390-protos.h
3875 (s390_decompose_shift_count): Rename to
3876 s390_decompose_addrstyle_without_index.
3877 * config/s390/s390.c (s390_decompose_shift_count)
3878 (s390_mem_constraint, print_shift_count_operand)
3879 (print_operand_address, print_operand): Rename
3880 s390_decompose_shift_count to
3881 s390_decompose_addrstyle_without_index and rename
3882 print_shift_count_operand to print_addrstyle_operand troughout the
3884 * config/s390/s390.md ("setmem_long_<P:mode>", "*setmem_long")
3885 ("*setmem_long_and", "*setmem_long_31z", "*setmem_long_and_31z"):
3886 Rename shift_count_or_setmem_operand to setmem_operand.
3887 * config/s390/vx-builtins.md ("vec_insert<mode>")
3888 ("vec_promote<mode>"): Replace shift_count_or_setmem_operand with
3891 2016-03-10 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3894 * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap):
3895 Handle overlapping retval and newval.
3897 2016-03-10 Nick Clifton <nickc@redhat.com>
3900 * config/aarch64/aarch64.c
3901 (aarch64_override_options_after_change_1): When forcing
3902 flag_omit_frame_pointer to be true, use a special value that can
3903 be detected if this function is called again, thus preventing
3904 flag_omit_leaf_frame_pointer from being forced to be false.
3906 2016-03-10 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
3908 * common/config/aarch64/aarch64-common.c (aarch64_handle_option):
3909 Set x_flag_omit_leaf_frame_pointer when handling
3910 -momit-leaf-frame-pointer.
3912 2016-03-10 Jan Hubicka <hubicka@ucw.cz>
3915 * cgraph.c (cgraph_node::dump): Dump split_part and
3916 indirect_call_target.
3917 * cgraph.h (cgraph_node): Add indirect_call_target flag.
3918 * ipa.c (has_addr_references_p): Cleanup.
3919 (is_indirect_call_target_p): New.
3920 (walk_polymorphic_call_targets): Do not mark virtuals that may be
3921 called indirectly as local.
3922 (symbol_table::remove_unreachable_nodes): Compute indirect_call_target.
3924 2016-03-10 Jan Hubicka <hubicka@ucw.cz>
3927 * ipa-devirt.c (possible_polymorphic_call_targets): Do not ICE
3928 on cxa_pure_virtual.
3930 2016-03-10 Jan Hubicka <hubicka@ucw.cz>
3933 * tree.c (free_lang_data_in_decl): Clear visibility of TYPE_DECL.
3935 2016-03-10 Jan Hubicka <hubicka@ucw.cz>
3938 * tree.c (need_assembler_name_p): Only record main variant type names.
3940 2016-03-10 Christophe Lyon <christophe.lyon@linaro.org>
3943 * config/aarch64/aarch64.h (TARGET_FIX_ERR_A53_843419_DEFAULT):
3944 Always define to 0 or 1.
3945 (TARGET_FIX_ERR_A53_843419): New macro.
3946 * config/aarch64/aarch64-elf-raw.h
3947 (TARGET_FIX_ERR_A53_843419_DEFAULT): Update for above changes.
3948 * config/aarch64/aarch64-linux.h: Likewise.
3949 * config/aarch64/aarch64.c
3950 (aarch64_override_options_after_change_1): Do not default
3951 aarch64_nopcrelative_literal_loads to true if Cortex-A53 erratum
3953 (aarch64_attributes): Handle fix-cortex-a53-843419.
3954 (aarch64_can_inline_p): Likewise.
3955 * config/aarch64/aarch64.opt (aarch64_fix_a53_err843419): Save.
3957 2016-03-10 Alan Lawrence <alan.lawrence@arm.com>
3958 Jakub Jelinek <jakub@redhat.com>
3960 * common.opt (funconstrained-commons, flag_unconstrained_commons): New.
3961 * tree.c (array_at_struct_end_p): Do not limit to size of decl for
3962 DECL_COMMONS if flag_unconstrained_commons is set.
3963 * tree-dfa.c (get_ref_base_and_extent): Likewise.
3964 * doc/invoke.texi (Optimize Options): Add -funconstrained-commons.
3965 (funconstrained-commons): Document.
3967 2016-03-10 Christophe Lyon <christophe.lyon@linaro.org>
3969 * config/aarch64/t-aarch64 (OPTIONS_H_EXTRA): Add
3970 aarch64-fusion-pairs.def and aarch64-tuning-flags.def
3972 2016-03-10 Ilya Enkovich <enkovich.gnu@gmail.com>
3974 * tree-vect-stmts.c (vectorizable_mask_load_store): Check mask
3975 has a proper number of elements.
3977 2016-03-10 Alan Modra <amodra@gmail.com>
3979 PR rtl-optimization/69195
3980 PR rtl-optimization/47992
3981 * ira.c (recorded_label_ref): Delete.
3982 (update_equiv_regs): Return void.
3983 (indirect_jump_optimize): New function.
3984 (ira): Call indirect_jump_optimize and delete_trivially_dead_insns
3985 before regstat_compute_ri. Don't rebuild_jump_labels here.
3986 Delete update_regstat.
3988 2016-03-10 Richard Biener <rguenther@suse.de>
3990 PR tree-optimization/70128
3991 * tree-ssa-structalias.c (set_uids_in_ptset): Set
3992 vars_contains_nonlocal for any FUNCTION_DECL or LABEL_DECL.
3994 2016-03-09 Jakub Jelinek <jakub@redhat.com>
3996 PR tree-optimization/70152
3997 * tree-sra.c (replace_removed_params_ssa_names): Copy over
3998 SSA_NAME_OCCURS_IN_ABNORMAL_PHI from old_name to new_name.
4001 * config/i386/i386.md (truncdfsf2 splitter): Use gen_vec_concatv2df
4002 instead of gen_sse2_loadlpd.
4003 * config/i386/sse.md (*vec_concatv2df): Rename to...
4004 (vec_concatv2df): ... this.
4006 PR tree-optimization/70127
4007 * fold-const.c (operand_equal_p): Revert the 2015-10-28 change.
4009 2016-03-09 David Malcolm <dmalcolm@redhat.com>
4013 * diagnostic-show-locus.c (compatible_locations_p): New function.
4014 (layout::layout): Sanitize ranges using compatible_locations_p.
4016 2016-03-09 David Malcolm <dmalcolm@redhat.com>
4020 * diagnostic-show-locus.c (layout_range::layout_range): Replace
4021 location_range param with three const expanded_locations * and a
4023 (layout::layout): Replace call to
4024 rich_location::lazily_expand_location with get_expanded_location.
4025 Extract the range and perform location expansion here, passing
4026 the results to the layout_range ctor.
4027 * diagnostic.c (source_range::debug): Delete.
4028 * diagnostic.h (diagnostic_expand_location): Reimplement in terms
4029 of rich_location::get_expanded_location.
4030 * gcc-rich-location.c (get_range_for_expr): Delete.
4031 (gcc_rich_location::add_expr): Reimplement to avoid the
4032 rich_location::add_range overload that took a location_range,
4033 passing a location_t instead.
4035 2016-03-09 Richard Biener <rguenther@suse.de>
4036 Jakub Jelinek <jakub@redhat.com>
4038 PR tree-optimization/70138
4039 * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
4040 Also skip vect_double_reduction_def.
4042 2016-03-09 Jakub Jelinek <jakub@redhat.com>
4045 * config/i386/sse.md (*vec_extract<mode>): Use %0 instead of %k0
4046 if the operand is "m".
4048 2016-03-09 Nathan Sidwell <nathan@acm.org>
4050 * config/nvptx/nvptx.c (nvptx_option_override): Don't kill debug level.
4052 2016-03-09 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
4054 * config/i386/i386.c (processor_target_table): Fix cost table
4055 intialization order for znver1.
4057 2016-03-08 Jakub Jelinek <jakub@redhat.com>
4059 * ipa-polymorphic-call.c (walk_ssa_copies): Fix spelling
4060 - becuase -> because.
4061 * ipa-reference.c (ignore_module_statics): Likewise.
4062 * cgraph.c (cgraph_node::get_body): Likewise.
4063 * ipa-inline.c (early_inliner): Likewise.
4064 * ipa-devirt.c (types_same_for_odr): Likewise.
4065 * tree-streamer-out.c (pack_ts_type_common_value_fields): Likewise.
4066 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Likewise.
4068 2016-03-08 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
4070 * tree-ssa-math-opts.c: Fix typo in comment.
4072 2016-03-08 Jakub Jelinek <jakub@redhat.com>
4075 * config/i386/i386.c (scalar_chain::make_vector_copies,
4076 scalar_chain::convert_reg): Call end_sequence in between
4077 get_insns and emit_conversion_insns rather than after both
4080 2016-03-07 Uros Bizjak <ubizjak@gmail.com>
4083 * config/i386/i386.h (machine_function): Add
4084 pc_thunk_call_expanded flag.
4085 (ix86_pc_thunk_call_expanded): New define.
4086 * config/i386/i386.md (set_got, set_got_labelled): New expanders.
4087 (*set_got): Rename insn pattern from set_got.
4088 (*set_got_labelled): Rename inst pattern from set_got_labelled.
4089 * config/i386/i386.c (ix86_compute_frame_layout): Use
4090 ix86_pc_thunk_call_expanded to prevent red-zone.
4092 2016-03-07 Martin Jambor <mjambor@suse.cz>
4094 * hsa.h (hsa_get_ctor_statements): Declare.
4095 (hsa_get_dtor_statements): Likewise.
4096 (hsa_get_kernel_dispatch_type): Likewise.
4097 * hsa.c (hsa_get_ctor_statements): New function.
4098 (hsa_get_dtor_statements): Likewise.
4099 (hsa_get_kernel_dispatch_type): Likewise.
4100 * hsa-brig.c (hsa_cdtor_statements): Removed.
4101 (hsa_output_libgomp_mapping): Use hsa_get_ctor_statements and
4102 hsa_get_dtor_statements.
4103 * hsa-gen.c (hsa_kernel_dispatch_type): Removed.
4104 (get_hsa_kernel_dispatch_offset): Use hsa_get_kernel_dispatch_type.
4106 2016-03-07 Andre Vieira <andre.simoesdiasvieira@arm.com>
4108 * config/arm/arm-cores.def (cortex-r8): New.
4109 * config/arm/arm-tables.opt (cortex-r8): Regenerate.
4110 * config/arm/arm-tune.md: Likewise.
4111 * gcc/doc/invoke.texi: Add cortex-r8 to list of cpu values.
4113 2016-03-07 Martin Sebor <msebor@redhat.com>
4115 PR rtl-optimization/19705
4116 * doc/invoke.texi (Options That Control Optimization): Clarify
4117 -fno-branch-count-reg.
4119 2016-02-26 Richard Biener <rguenther@suse.de>
4120 Jeff Law <law@redhat.com>
4122 PR tree-optimization/69740
4123 * cfghooks.c (remove_edge): Request loop fixups if we delete
4124 an edge that might turn an irreducible loop into a natural
4126 * cfgloop.h (check_verify_loop_structure): Clear LOOPS_NEED_FIXUP.
4127 Move after definition of loops_state_clear.
4129 2016-03-07 Bin Cheng <bin.cheng@arm.com>
4131 PR rtl-optimization/69052
4132 * rtlanal.c (commutative_operand_precedence): Set higher precedence
4135 2016-03-07 Tom de Vries <tom@codesourcery.com>
4137 PR tree-optimization/70116
4138 * tree-ssa-tail-merge.c (merge_stmts_p): New function, handling
4139 is_tm_ending stmts and ubsan/asan internal functions.
4140 (find_duplicate): Use it. Don't test is_tm_ending here.
4142 2016-03-07 Richard Biener <rguenther@suse.de>
4144 PR tree-optimization/70115
4145 * tree-ssa-loop-ivcanon.c (propagate_into_all_uses): Remove.
4146 (propagate_constants_for_unrolling): Use replace_uses_by.
4148 2016-03-07 Nathan Sidwell <nathan@codesourcery.com>
4151 * omp-low.c (struct oacc_loop): Add ifns.
4152 (new_oacc_loop_raw): Initialize it.
4153 (finish_oacc_loop): Clear mask & flags if no ifns.
4154 (oacc_loop_discover_walk): Count IFN_GOACC_LOOP calls.
4155 (oacc_loop_xform_loop): Add ifns arg & adjust.
4156 (oacc_loop_process): Adjust oacc_loop_xform_loop call.
4158 2016-03-07 Richard Henderson <rth@redhat.com>
4161 * tree-outofssa.c (emit_partition_copy): Flush pending stack adjust.
4162 (insert_value_copy_on_edge): Likewise.
4164 2016-03-07 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
4166 * config/arm/arm_neon.h: Show error if using with soft-float ABI.
4168 2016-03-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4171 * config/i386/sol2.h (STACK_REALIGN_DEFAULT): Define.
4173 2016-03-05 Venkataramanan Kumar <Venkataramanan.kumar@amd.com>
4175 * config/i386/i386.c (znver1_cost): Fix Multiply cost.
4177 2016-03-05 Venkataramanan Kumar <Venkataramanan.kumar@amd.com>
4179 Fix sseimul type attribute.
4180 * config/i386/znver1.md
4181 (znver1_sseimul, znver1_sseimul_avx256, znver1_sseimul_load,
4182 znver1_sseimul_avx256_load) : Fix the type attribute.
4183 (znver1_sseimul_di, znver1_sseimul_load_di): Fix type attribute,
4184 pipe usage and latency.
4186 2016-03-05 Jakub Jelinek <jakub@redhat.com>
4189 * tree-inline.c (copy_tree_body_r): When cancelling ADDR_EXPR
4190 of INDIRECT_REF and ADDR_EXPR changed type, fold_convert it
4193 2016-03-04 Bernd Schmidt <bschmidt@redhat.com>
4196 * targhooks.c (default_vector_alignment): Limit to MAX_OFILE_ALIGNMENT.
4198 PR rtl-optimization/69941
4199 * postreload.c (reload_combine_recognize_pattern): Ensure all uses of
4200 the reg share its mode.
4202 2016-03-04 Jeff Law <law@redhat.com>
4204 PR tree-optimization/69196
4205 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
4206 If the both SSA_NAMEs are anonymous, then consider them unassociated
4207 and include the PHI in the statement count.
4209 2016-03-05 Tom de Vries <tom@codesourcery.com>
4211 * omp-low.c (check_omp_nesting_restrictions): Check for non-oacc
4212 construct in oacc routine. Check for oacc region in oacc routine.
4214 2016-03-04 Jakub Jelinek <jakub@redhat.com>
4217 * config/i386/i386.c (decide_alg): Add RECUR argument. Revert
4218 2016-02-22 changes, instead don't recurse if RECUR is already true.
4219 Don't change *dynamic_check if RECUR. Adjust recursive caller
4220 to pass true to the new argument.
4221 (ix86_expand_set_or_movmem): Adjust decide_alg caller.
4224 * config/i386/sse.md (vec_set_lo_<mode><mask_name>,
4225 <extract_type_2>_vinsert<shuffletype><extract_suf_2>_mask): Formatting
4227 (vec_set_hi_<mode><mask_name>): Likewise. Swap VEC_CONCAT operands.
4229 2016-03-04 Bernd Schmidt <bschmidt@redhat.com>
4231 PR rtl-optimization/57676
4232 * lra-assigns.c (lra_assign): Guard test for maximum iterations
4235 2016-03-04 Ilya Enkovich <enkovich.gnu@gmail.com>
4237 * tree-vect-patterns.c (search_type_for_mask): Handle
4238 comparison of booleans.
4240 2016-03-04 Jakub Jelinek <jakub@redhat.com>
4242 * doc/extend.texi (__builtin_alloca, __builtin_alloca_with_align):
4246 * dwarf2out.c (prune_unused_types_walk_loc_descr): Handle
4247 all other ops that have dw_val_class_die_ref operands,
4248 and DW_OP_GNU_entry_value.
4250 2016-03-03 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
4252 PR rtl-optimization/69904
4253 * config/arm/arm.c (arm_cannot_copy_insn_p):
4254 Return true for load-exclusive instructions.
4256 2016-03-03 Jakub Jelinek <jakub@redhat.com>
4259 * tree-vect-stmts.c (vect_mark_relevant): Remove USED_IN_PATTERN
4260 argument, if STMT_VINFO_IN_PATTERN_P (stmt_info), always mark
4261 the pattern no matter if it is used just by non-pattern, pattern
4263 (process_use, vect_mark_stmts_to_be_vectorized): Adjust callers.
4264 * tree-vect-patterns.c (vect_recog_vector_vector_shift_pattern): If
4265 oprnd1 def_stmt is in pattern, don't look through it.
4267 2016-03-03 Marek Polacek <polacek@redhat.com>
4270 * match.pd (X % -Y): Add INTEGRAL_TYPE_P check.
4272 2016-03-03 Martin Liska <mliska@suse.cz>
4274 PR tree-optimization/70043
4275 * tree-vect-loop.c (optimize_mask_stores): Move iterator to
4276 previous statement if we see a debug statement.
4278 2016-03-03 Richard Biener <rguenther@suse.de>
4280 PR tree-optimization/55936
4281 * tree-vrp.c (compare_name_with_value): Add use_equiv_p
4282 parameter and guard unsafe equivalence use.
4283 (vrp_evaluate_conditional_warnv_with_ops): Always use
4284 safe equivalences but not via the quadratic compare_names
4287 2016-03-03 Michael Collison <michael.collison@linaro.org>
4290 * config/arm/arm.md (*subsi3_carryin_const): Change predicate
4291 for operand 1 to s_register_operand. Change predicate for operand
4292 2 to arm_not_immediate_operand.
4294 2016-03-02 H.J. Lu <hongjiu.lu@intel.com>
4296 * doc/tm.texi: Regenerated.
4298 2016-03-02 Richard Henderson <rth@redhat.com>
4301 * simplify-rtx.c (simplify_plus_minus): Allow reassoc without
4302 simplification when all args are positive non-fixed registers.
4304 2016-03-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4306 * target.def (lra_p): Specify that new ports should use LRA.
4308 2016-03-02 Jakub Jelinek <jakub@redhat.com>
4311 * gimplify.c (gimplify_decl_expr): For decls with REFERENCE_TYPE, also
4312 gimplify_type_sizes the type they refer to.
4313 (omp_notice_variable): Handle reference vars to VLAs.
4314 * omp-low.c (lower_omp_target): Emit setup of OMP_CLAUSE_PRIVATE
4315 reference to VLA decls in the second pass instead of first pass.
4317 2016-03-02 Tom de Vries <tom@codesourcery.com>
4319 PR tree-optimization/68659
4320 * graphite-isl-ast-to-gimple.c (collect_all_ssa_names): Handle
4321 new_expr == NULL_TREE.
4322 (get_new_name): Handle ADDR_EXPR.
4324 2016-03-02 Bin Cheng <bin.cheng@arm.com>
4326 PR rtl-optimization/69052
4327 * loop-invariant.c (canonicalize_address): New function.
4328 (inv_can_prop_to_addr_use): Check validity of address expression
4329 which is canonicalized by above function.
4331 2016-03-02 Alan Modra <amodra@gmail.com>
4334 * ipa-icf.c (sem_variable::merge): Do not merge an alias with
4337 2016-03-02 Jakub Jelinek <jakub@redhat.com>
4340 * config/i386/i386.md (kmovw): Move m constraint to 2nd alternative.
4341 (*movhi_internal): Put mask moves from and to memory separately
4342 from moves from/to GPRs.
4344 2016-03-02 Richard Biener <rguenther@suse.de>
4346 * genmatch.c (dt_node::gen_kids): Fix match code-gen for embedded
4347 GENERIC expressions in GIMPLE.
4349 2016-03-02 Richard Biener <rguenther@suse.de>
4351 * config/i386/i386.c (type_natural_mode): Fix typo.
4353 2016-03-02 Nick Clifton <nickc@redhat.com>
4355 * config.gcc (mep-*-elf): Add newlib-stdint.h to tm_file.
4357 2016-03-02 Richard Biener <rguenther@suse.de>
4358 Uros Bizjak <ubizjak@gmail.com>
4361 * config/i386/i386.c (type_natural_mode): Handle XFmode vectors.
4363 2016-03-02 Richard Biener <rguenther@suse.de>
4366 * tree-cfg.c (verify_expr): Adjust BIT_FIELD_REF case.
4368 2016-03-02 Marek Polacek <polacek@redhat.com>
4371 * gimplify.c (gimplify_va_arg_expr): Use expanded location for the
4372 "is promoted to" warning.
4374 2016-03-01 DJ Delorie <dj@redhat.com>
4376 * config.gcc: Deprecate mep-*.
4378 2016-03-01 Vladimir Makarov <vmakarov@redhat.com>
4381 * lra-constraints.c (regno_val_use_in): New.
4382 (match_reload): Use it instead of regno_use_in.
4384 2016-03-01 Eric Botcazou <ebotcazou@adacore.com>
4386 PR rtl-optimization/70007
4387 * gcse.c (compute_ld_motion_mems): Tidy up and also invalidate memory
4388 references present in REG_EQUAL notes attached to non-SET patterns.
4390 2016-03-01 Jeff Law <law@redhat.com>
4392 PR tree-optimization/69196
4393 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
4394 Appropriately clamp the number of statements to copy when the
4395 thread path does not traverse a loop backedge.
4397 PR tree-optimization/69196
4398 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
4399 Do count some PHIs in the thread path against the insn count. Decrease
4400 final statement count by one as the control statement in the last
4401 block will get removed. Remove special cased code for handling PHIs
4404 2016-03-01 Uros Bizjak <ubizjak@gmail.com>
4407 * config/i386/i386.c (ix86_output_call_insn): Add -masm=intel
4408 asm dialect alternatives to explicit GOTPCREL calls.
4410 2016-03-01 Eric Botcazou <ebotcazou@adacore.com>
4413 * ira.c (do_reload): Issue warning for generic stack checking here...
4414 * reload1.c (reload): ...instead of here and streamline it.
4416 2016-03-01 Nick Clifton <nickc@redhat.com>
4418 * config.gcc (cr16-*-elf): Add newlib-stdint.h to tm_file.
4420 2016-03-01 Richard Biener <rguenther@suse.de>
4422 PR tree-optimization/69983
4423 * tree-chrec.c (eq_evolutions_p): Handle conversions, compare
4424 types and fall back to operand_equal_p.
4426 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
4429 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
4431 * config/s390/constraints.md ("jm8"): New constraint.
4432 * config/s390/predicates.md ("const_int_8bitset_operand"): New
4434 * config/s390/s390.md ("*setmem_long", "*setmem_long_and"): Merge
4436 ("*setmem_long<setmem_and>"): New pattern.
4437 ("*setmem_long_31z", "*setmem_long_and_31z"): Merge
4439 ("*setmem_long_31z<setmem_and>"): New pattern.
4440 * config/s390/subst.md ("setmem_31z_subst", "setmem_and_subst"):
4441 New substitution rules with the required attributes.
4444 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
4447 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
4449 * gensupport.c (process_substs_on_one_elem): Split loop to
4450 complete mark_operands_used_in_match_dup on all expressions in the
4452 (adjust_operands_numbers): Inline into process_substs_on_one_elem
4453 and remove function.
4455 2016-03-01 Richard Biener <rguenther@suse.de>
4458 * fold-const.c (fold_indirect_ref_1): Fix range checking for
4459 vector BIT_FIELD_REF extract.
4461 2016-03-01 Richard Biener <rguenther@suse.de>
4463 PR tree-optimization/69994
4464 * tree-ssa-reassoc.c (ops_equal_values_p): Handle missing case.
4466 2016-03-01 Ilya Enkovich <enkovich.gnu@gmail.com>
4468 PR tree-optimization/69956
4469 * tree-vect-stmts.c (supportable_widening_operation): Support
4470 multi-step conversion of boolean vectors.
4471 (supportable_narrowing_operation): Likewise.
4473 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
4475 * config/s390/s390.c (s390_decompose_address): Don't accept SImode
4478 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
4480 * config/s390/subst.md (DSI_VI): New mode iterator.
4481 ("addr_style_op_subst"): Use DSI_VI instead of DSI.
4482 * config/s390/vector.md ("vec_set<mode>"): Move expander before
4483 the insn definition.
4484 ("*vec_set<mode>"): Change predicate and add alternative to
4485 support only either register or const_int operands as element
4487 ("*vec_set<mode>_plus"): New pattern to support reg + const_int
4489 ("vec_extract<mode>"): New expander.
4490 ("*vec_extract<mode>"): New insn definition supporting reg and
4491 const_int element selectors.
4492 ("*vec_extract<mode>_plus"): New insn definition supporting
4493 reg+const_int element selectors.
4494 ("rotl<mode>3", "ashl<mode>3", "ashr<mode>3"): Merge into the
4495 following expander+insn definition.
4496 ("<vec_shifts_name><mode>3"): New expander.
4497 ("*<vec_shifts_name><mode>3<addr_style_op>"): New insn definition.
4499 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
4501 * config/s390/s390.md ("*tabort_1"): Change predicate to
4502 nonmemory_operand. Add a second alternative to cover
4503 register as well as const int operands.
4504 ("*tabort_1_plus"): New pattern definition.
4506 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
4508 * config/s390/s390.md ("*ashrdi3_cc_31")
4509 ("*ashrdi3_cconly_31""*ashrdi3_cc_31_and")
4510 ("*ashrdi3_cconly_31_and", "*ashrdi3_31_and", "*ashrdi3_31"):
4511 Merge insn definitions into ...
4512 ("*ashrdi3_31<addr_style_op_cc><masked_op_cc><setcc><cconly>"):
4513 New pattern definition.
4514 ("*ashr<mode>3_cc", "*ashr<mode>3_cconly", "ashr<mode>3", )
4515 ("*ashr<mode>3_cc_and", "*ashr<mode>3_cconly_and")
4516 ("*ashr<mode>3_and"): Merge insn definitions into ...
4517 ("*ashr<mode>3<addr_style_op_cc><masked_op_cc><setcc><cconly>"):
4518 New pattern definition.
4519 * config/s390/subst.md ("addr_style_op_cc_subst")
4520 ("masked_op_cc_subst", "setcc_subst", "cconly_subst"): New
4521 substitutions patterns plus attributes.
4522 Add ashiftrt to SUBST iterator.
4524 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
4526 * config/s390/s390.md ("<shift><mode>3"): Change predicate of
4527 op2 to nonmemory_operand.
4528 ("*<shift>di3_31", "*<shift>di3_31_and"):
4529 Merge into single pattern definition ...
4530 ("*<shift>di3_31<addr_style_op><masked_op>"): New pattern.
4531 ("*<shift><mode>3", "*<shift><mode>3_and"): Merge into single
4532 pattern definition ...
4533 ("*<shift><mode>3<addr_style_op><masked_op>"): New pattern.
4534 * config/s390/subst.md: Add ashift and lshiftrt to SUBST
4537 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
4539 * config/s390/predicates.md (const_int_6bitset_operand): New
4541 * config/s390/s390.md: Include subst.md.
4542 ("rotl<mode>3"): New expander.
4543 ("rotl<mode>3", "*rotl<mode>3_and"): Merge insn definitions into
4545 ("*rotl<mode>3<addr_style_op><masked_op>"): New insn definition.
4546 * config/s390/subst.md: New file.
4548 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
4550 * config/s390/s390.md ("op_type", "atype", "length" attributes):
4551 Remove RRR type. It doesn't really exist.
4552 ("RRer", "f0", "v0", "vf", "vd", "op1", "Rf"): Remove mode
4554 ("BFP", "DFP", "nDSF", "nDFDI"): Add mode attributes.
4555 ("*cmp<mode>_ccs", "floatdi<mode>2", "add<mode>3")
4556 ("*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3")
4557 ("*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3")
4558 ("fma<mode>4", "fms<mode>4", "div<mode>3", "*neg<mode>2")
4559 ("*abs<mode>2", "*negabs<mode>2", "sqrt<mode>2"): Override
4560 `enabled' attribute.
4562 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
4564 * gensupport.c (process_substs_on_one_elem): Split loop to
4565 complete mark_operands_used_in_match_dup on all expressions in the
4567 (adjust_operands_numbers): Inline into process_substs_on_one_elem
4568 and remove function.
4570 2016-02-29 Eric Botcazou <ebotcazou@adacore.com>
4573 * config/sparc/sparc.c (NWORDS_UP): Rename to...
4574 (CEIL_NWORDS): ...this. Use CEIL macro.
4575 (compute_fp_layout): Adjust to above renaming.
4576 (function_arg_union_value): Likewise.
4577 (sparc_arg_partial_bytes): Likewise.
4578 (sparc_function_arg_advance): Likewise.
4580 2016-02-29 Jeff Law <law@redhat.com>
4582 PR tree-optimization/70005
4583 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Handle case
4584 where an object with a boolean range is compared against a value
4587 PR tree-optimization/69999
4588 * gimple-ssa-split-paths.c (split_paths): When duplicating a block
4589 with an outgoing edge marked with EDGE_IRREDUCIBLE_LOOP, schedule
4592 2016-02-29 Richard Biener <rguenther@suse.de>
4594 PR tree-optimization/69994
4595 * tree-ssa-reassoc.c (gimple_nop_conversion_p): New function.
4596 (get_unary_op): Look through nop conversions.
4597 (ops_equal_values_p): New function, look for equality diregarding
4599 (eliminate_plus_minus_pair): Use ops_equal_values_p
4600 (repropagate_negates): Do not use get_unary_op here.
4602 2016-02-29 Martin Liska <mliska@suse.cz>
4604 * system.h: Poison ENABLE_CHECKING macro.
4606 2016-02-29 Martin Liska <mliska@suse.cz>
4608 * hsa-gen.c (gen_body_from_gimple): Dump only if TDF_DETAILS
4609 is presented in dump flags.
4610 * hsa-regalloc.c (linear_scan_regalloc): Likewise.
4611 (hsa_regalloc): Likewise.
4613 2016-02-19 Richard Biener <rguenther@suse.de>
4615 PR tree-optimization/69980
4616 * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Update
4617 permutation of those we need to keep.
4619 2016-02-29 Eric Botcazou <ebotcazou@adacore.com>
4622 * config/sparc/sparc.c (ROUND_ADVANCE): Rename to...
4623 (NWORDS_UP): ...this
4624 (init_cumulative_args): Minor tweaks.
4625 (sparc_promote_function_mode): Likewise.
4626 (scan_record_type): Delete.
4627 (traverse_record_type): New function template.
4628 (classify_data_t): New structure type.
4629 (classify_registers): New inline function.
4630 (function_arg_slotno): In 64-bit mode, bail out early if FP slots are
4631 exhausted. Instantiate traverse_record_type on classify_registers and
4632 deal with the case of a structure passed in slot #15 with no FP field
4634 (assign_data_t): New structure type.
4635 (compute_int_layout): New static function.
4636 (compute_fp_layout): Likewise.
4637 (count_registers): New inline function.
4638 (assign_int_registers): New static function.
4639 (assign_fp_registers): Likewise.
4640 (assign_registers): New inline function.
4641 (function_arg_record_value_1): Delete.
4642 (function_arg_record_value_2): Likewise.
4643 (function_arg_record_value_3): Likewise.
4644 (function_arg_record_value): Adjust to above changes. Instantiate
4645 traverse_record_type on count_registers to first count the number of
4646 registers to be used and then on assign_registers to assign them.
4647 (function_arg_union_value): Adjust to above renaming.
4648 (sparc_function_arg_1); Minor tweaks. Remove commented out code.
4649 (sparc_arg_partial_bytes): Adjust to above renaming. Deal with the
4650 case of a structure passed in slot #15
4651 (sparc_function_arg_advance): Likewise.
4652 (function_arg_padding): Minor tweak.
4654 2016-02-29 Richard Biener <rguenther@suse.de>
4656 PR tree-optimization/69720
4657 * tree-vect-loop.c (get_initial_def_for_reduction): Avoid
4658 the adjustment_def path for possibly vectorized defs.
4659 (vect_create_epilog_for_reduction): Handle vectorized initial
4662 2016-02-28 Eric Botcazou <ebotcazou@adacore.com>
4664 * config/i386/cygming.h (STACK_REALIGN_DEFAULT): Define.
4666 2016-02-27 Jeff Law <law@redhat.com>
4669 2016-02-26 Richard Biener <rguenther@suse.de>
4670 Jeff Law <law@redhat.com>
4672 PR tree-optimization/69740
4673 * cfghooks.c (remove_edge): Request loop fixups if we delete
4674 an edge that might turn an irreducible loop into a natural
4677 2016-02-27 Jakub Jelinek <jakub@redhat.com>
4679 PR rtl-optimization/69896
4680 * tree-vect-generic.c (get_compute_type): Avoid single element
4683 2016-02-26 Evandro Menezes <e.menezes@samsung.com>
4685 Rename the AArch64 tuning option and related functions to enable the
4686 Newton series for the reciprocal square root to reflect its
4687 approximative characteristic.
4689 * config/aarch64/aarch64-protos.h (aarch64_emit_swrsqrt): Rename
4690 function to "aarch64_emit_approx_rsqrt".
4691 * config/aarch64/aarch64-tuning-flags.def: Rename tuning flag to
4692 AARCH64_EXTRA_TUNE_APPROX_RSQRT.
4693 * config/aarch64/aarch64.c (exynosm1_tunigs): Use new flag name.
4694 (xgene1_tunings): Likewise.
4695 (use_rsqrt_p): Likewise.
4696 (aarch64_emit_swrsqrt): Use new function name.
4697 * config/aarch64/aarch64-simd.md (aarch64_rsqrts_*): Likewise.
4698 * config/aarch64/aarch64.opt (mlow-precision-recip-sqrt): Reword the
4699 text explaining this option.
4700 * doc/invoke.texi (-mlow-precision-recip-sqrt): Likewise.
4702 2016-02-26 Jakub Jelinek <jakub@redhat.com>
4705 * config/rs6000/rs6000.c (rs6000_option_override_internal): Don't
4706 complain about -mallow-movmisalign without -mvsx if
4707 TARGET_ALLOW_MOVMISALIGN was not set explicitly.
4709 2016-02-26 Joel Sherrill <joel@rtems.org>
4711 * config.gcc: Add x86_64-*-rtems*.
4712 * gcc/config/i386/rtems-64.h: New file.
4714 2016-02-26 Joel Sherrill <joel@rtems.org>
4716 * config.gcc: Add aarch64-*-rtems*.
4717 * gcc/config/aarch64/rtems.h: New file.
4719 2016-02-26 Segher Boessenkool <segher@kernel.crashing.org>
4722 * config/rs6000/rs6000.c (rs6000_insn_for_shift_mask): Print rlwinm
4723 shift amount using %h. Add comment.
4725 2016-02-26 Richard Biener <rguenther@suse.de>
4726 Jeff Law <law@redhat.com>
4728 PR tree-optimization/69740
4729 * cfghooks.c (remove_edge): Request loop fixups if we delete
4730 an edge that might turn an irreducible loop into a natural
4733 2016-02-26 Martin Jambor <mjambor@suse.cz>
4736 * tree-sra.c (sra_modify_assign): Do not remove loads of
4737 uninitialized aggregates to SSA_NAMEs.
4739 2016-02-26 Richard Henderson <rth@redhat.com>
4742 * config/s390/s390.md (risbg and risbgn splitters): Allocate new
4743 pseudo in case the target rtx matches the source of the left
4746 2016-02-26 Martin Jambor <mjambor@suse.cz>
4749 * hsa.h (hsa_type_packed_p): Declare.
4750 * hsa.c (hsa_type_packed_p): New function.
4751 * hsa-gen.c (mem_type_for_type): Use unsigned type for packed
4753 (gen_hsa_insns_for_store): Use hsa_type_packed_p.
4754 * hsa-brig.c (emit_basic_insn): Likewise.
4756 2016-02-26 Martin Jambor <mjambor@suse.cz>
4759 * hsa-gen.c (gen_hsa_phi_from_gimple_phi): Use proper hsa type for
4761 (gen_hsa_addr): Allow integer constants in TMR_INDEX2.
4763 2016-02-26 Martin Jambor <mjambor@suse.cz>
4765 * hsa.h (is_a_helper): New overload for hsa_op_immed for
4766 hsa_op_with_type operands.
4767 (hsa_unsigned_type_for_type): Declare.
4768 * hsa.c (hsa_unsigned_type_for_type): New function.
4769 * hsa-gen.c (gen_hsa_binary_operation): Use hsa_unsigned_type_for_type.
4770 (gen_hsa_insns_for_operation_assignment): Satisfy constrains of
4771 the finalizer. Do not emit extra move.
4773 2016-02-26 Martin Jambor <mjambor@suse.cz>
4775 * hsa-gen.c (gen_hsa_ternary_atomic_for_builtin): Fail in presence of
4776 atomic operations in private segment.
4778 2016-02-26 Martin Jambor <mjambor@suse.cz>
4780 * omp-low.c (grid_find_ungridifiable_statement): Store problematic
4781 statements to wi->info. Also disallow omp simd constructs.
4782 (grid_target_follows_gridifiable_pattern): Use wi.info to dump reason
4783 for not gridifying. Dump special string for omp_for.
4785 2016-02-26 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
4788 * config/aarch64/aarch64.c (aarch64_set_current_function):
4789 Save/restore target globals when switching to
4790 target_option_default_node.
4792 2016-02-26 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
4795 * config/aarch64/aarch64.c (aarch64_shift_truncation_mask):
4796 Return 0 if !SHIFT_COUNT_TRUNCATED.
4798 2016-02-26 Jakub Jelinek <jakub@redhat.com>
4799 Eric Botcazou <ebotcazou@adacore.com>
4801 PR rtl-optimization/69891
4802 * dse.c (scan_insn): If we can't figure out memset arguments
4803 or they are non-constant, call clear_rhs_from_active_local_stores.
4805 2016-02-26 Martin Liska <mliska@suse.cz>
4807 * doc/extend.texi: Mention clog10, clog10f an clog10l
4808 in Builtins section.
4810 2016-02-26 Martin Liska <mliska@suse.cz>
4812 * dwarf2out.c (new_loc_descr): Replace ENABLE_CHECKING with
4814 (resolve_args_picking_1): Likewise.
4815 * dwarf2out.h (struct GTY): Likewise.
4817 2016-02-26 Martin Liska <mliska@suse.cz>
4819 * hsa-gen.c (generate_hsa): Replace ENABLE_CHECKING macro
4821 * hsa-regalloc.c (linear_scan_regalloc): Likewise.
4823 2016-02-26 Markus Trippelsdorf <markus@trippelsdorf.de>
4824 Martin Liska <mliska@suse.cz>
4826 * doc/install.texi: Mention --enable-valgrind-annotations.
4828 2016-02-26 Richard Biener <rguenther@suse.de>
4830 PR tree-optimization/69551
4831 * tree-ssa-structalias.c (get_constraint_for_ssa_var): When
4832 looking through aliases adjust DECL_PT_UID to refer to the
4833 ultimate alias target.
4835 2016-02-25 Martin Liska <mliska@suse.cz>
4838 * alloc-pool.c (after_memory_report): New variable.
4839 * alloc-pool.h (base_pool_allocator ::release): Do not use
4840 the infrastructure if after_memory_report.
4841 * toplev.c (toplev::main): Mark after memory report.
4843 2016-02-25 Richard Biener <rguenther@suse.de>
4845 PR tree-optimization/48795
4846 * tree-vrp.c (check_array_ref): Use array_at_struct_end_p.
4848 2016-02-25 Ilya Verbin <ilya.verbin@intel.com>
4851 * config/gnu-user.h (CRTOFFLOADBEGIN): Define. Add crtoffloadbegin.o if
4852 offloading is enabled and -fopenacc or -fopenmp is specified.
4853 (CRTOFFLOADEND): Likewise.
4854 (GNU_USER_TARGET_STARTFILE_SPEC): Add CRTOFFLOADBEGIN.
4855 (GNU_USER_TARGET_ENDFILE_SPEC): Add CRTOFFLOADEND.
4856 * lto-wrapper.c (offloadbegin, offloadend): Remove static vars.
4857 (offload_objects_file_name): New static var.
4858 (tool_cleanup): Remove offload_objects_file_name file.
4859 (find_offloadbeginend): Replace with ...
4860 (find_crtoffloadtable): ... this.
4861 (run_gcc): Remove offload_argc and offload_argv.
4862 Get offload_objects_file_name from -foffload-objects=... option.
4863 Read names of object files with offload from this file, pass them to
4864 compile_images_for_offload_targets. Don't call find_offloadbeginend and
4865 don't pass offloadbegin and offloadend to the linker. Don't pass
4866 offload non-LTO files to the linker, because now they're not claimed.
4868 2016-02-25 Jan Hubicka <hubicka@ucw.cz>
4871 * ipa-devirt.c (possible_polymorphic_call_targets): Do not ICE
4872 on builtin_unreachable.
4874 2016-02-25 Jakub Jelinek <jakub@redhat.com>
4876 PR rtl-optimization/69896
4877 * regcprop.c: Include cfgrtl.h.
4878 (copyprop_hardreg_forward_1): If noop_p insn uses narrower
4879 than remembered mode, either delete it (if noop_move_p), or
4880 treat like copy_p but not noop_p instruction.
4882 2016-02-24 Jakub Jelinek <jakub@redhat.com>
4885 * dwarf2out.c (gen_variable_die): Work around buggy LTO
4886 - allow NULL decl for Fortran DW_TAG_common_block variables.
4888 2016-02-24 Jason Merrill <jason@redhat.com>
4890 * common.opt (flifetime-dse): Add -flifetime-dse=1.
4892 2016-02-24 Richard Biener <rguenther@suse.de>
4893 Jakub Jelinek <jakub@redhat.com>
4896 * tree-scalar-evolution.c (interpret_rhs_expr): Re-write
4897 conditionally executed ops to well-defined overflow behavior.
4899 2016-02-24 Jakub Jelinek <jakub@redhat.com>
4902 * tree.c (build_vector_from_ctor): Fix handling of VECTOR_CST
4905 2016-02-24 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
4907 PR rtl-optimization/69886
4908 * gcse.c (can_assign_to_reg_without_clobbers_p): Accept mode
4909 argument. Use it when checking validity of set instructions.
4910 (want_to_gcse_p): Pass mode to can_assign_to_reg_without_clobbers_p.
4911 (compute_ld_motion_mems): Update can_assign_to_reg_without_clobbers_p
4913 * rtl.h (can_assign_to_reg_without_clobbers_p): Update prototype.
4914 * store-motion.c (find_moveable_store): Update
4915 can_assign_to_reg_without_clobbers_p callsite.
4917 2016-02-24 Richard Biener <rguenther@suse.de>
4920 * tree-ssa-loop-niter.c (derive_constant_upper_bound_ops): Fix
4922 (record_nonwrapping_iv): Do not fall back to the low/high bound
4923 for non-constant IV bases if the stmt is not always executed.
4925 2016-02-24 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
4927 * config/arm/arm-cores.def (cortex-a32): New entry.
4928 * config/arm/arm-tables.opt: Regenerate.
4929 * config/arm/arm-tune.md: Regenerate.
4930 * config/arm/bpabi.h (BE8_LINK_SPEC): Add mcpu=cortex-a32.
4931 * config/arm/t-aprofile: Handle mcpu=cortex-a32.
4932 * doc/invoke.texi (ARM Options): Document cortex-a32 as value
4933 for -mcpu and -mtune.
4935 2016-02-24 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
4938 * config/arm/arm.h (TARGET_HAVE_LPAE): Define.
4939 * config/arm/unspecs.md (VUNSPEC_LDRD_ATOMIC): New value.
4940 * config/arm/sync.md (arm_atomic_loaddi2_ldrd): New pattern.
4941 (atomic_loaddi_1): Delete.
4942 (atomic_loaddi): Rewrite expander using the above changes.
4944 2016-02-24 Jakub Jelinek <jakub@redhat.com>
4947 * params.def (PARAM_MAX_SSA_NAME_QUERY_DEPTH): Bump default from
4950 2016-02-24 Jakub Jelinek <jakub@redhat.com>
4951 Richard Biener <rguenth@suse.de>
4954 * expr.c (expand_expr_real_1) <normal_inner_ref>: Avoid
4955 set_mem_attributes if tem is SSA_NAME which got expanded
4958 2016-02-24 Richard Biener <rguenther@suse.de>
4960 PR tree-optimization/69907
4961 * tree-vect-stmts.c (vectorizable_load): Check for gaps at the
4962 end of permutations for BB vectorization.
4964 2016-02-24 Christian Bruel <christian.bruel@st.com>
4966 * config/arm/arm-c.c (arm_option_override): Initialize
4967 target_option_current_node.
4968 * config/arm/arm.c (arm_pragma_target_parse): Replace
4969 build_target_option_node call by target_option_current_node.
4970 Set target_option_current_node.
4973 2016-02-23 David Edelsohn <dje.gcc@gmail.com>
4976 * config/rs6000/rs6000.md (zero_extendqi<mode>2_dot): Convert from
4977 define_insn_and_split to define_insn.
4978 (zero_extendqi<mode>2_dot2): Same.
4979 (extendqi<mode>2_dot): Same.
4980 (extendqi<mode>2_dot2): Same.
4982 2016-02-23 Evandro Menezes <e.menezes@samsung.com>
4984 * config/arm/exynos-m1.md: Change cost of STP, fix bypass for stores
4985 and add bypass for AES{D,E} and AESMC pairs.
4986 * config/aarch64/aarch64.c (exynosm1_tunings): Enable fusion of AES{D,E}
4989 2016-02-23 Evandro Menezes <e.menezes@samsung.com>
4991 * config/aarch64/aarch64.c (exynosm1_tunings): Enable the Newton
4992 series for reciprocal square root in Exynos M1.
4994 2016-02-23 Martin Sebor <msebor@redhat.com>
4997 * doc/extend.texi (Other Builtins): Document __builtin_alloca and
4998 __builtin_alloca_with_align.
5000 2016-02-23 Richard Henderson <rth@redhat.com>
5002 * config/i386/i386-c.c (ix86_target_macros): Remove __SEG_TLS.
5003 (ix86_register_pragmas): Remove __seg_tls.
5004 * config/i386/i386-protos.h (ADDR_SPACE_SEG_TLS): Remove.
5005 * config/i386/i386.c (ix86_print_operand_address_as): Don't handle it.
5006 (ix86_addr_space_subset_p, TARGET_ADDR_SPACE_SUBSET_P): Remove.
5007 (ix86_addr_space_convert, TARGET_ADDR_SPACE_CONVERT): Remove.
5008 (ix86_addr_space_debug, TARGET_ADDR_SPACE_DEBUG): Remove.
5009 * doc/extend.texi (__seg_tls): Remove item.
5011 2016-02-23 Richard Biener <rguenther@suse.de>
5013 * alloc-pool.h (struct allocation_object): Make id member
5014 conditional on CHECKING_P again.
5015 (get_instance): Adjust.
5016 (base_pool_allocator): Likewise.
5018 2016-02-23 Thomas Schwinge <thomas@codesourcery.com>
5020 * tree-parloops.c (create_parallel_loop, gen_parallel_loop)
5021 (parallelize_loops): In OpenACC kernels mode, set n_threads to
5023 (pass_parallelize_loops::gate): In OpenACC kernels mode, gate on
5025 * tree-ssa-loop.c (gate_oacc_kernels): Likewise.
5027 2016-02-23 Richard Biener <rguenther@suse.de>
5029 * mem-stats.h (struct mem_usage): Use PRIu64 for printing size_t.
5030 * bitmap.h (struct bitmap_usage): Likewise.
5031 (bitmap_move): Declare.
5032 * bitmap.c (register_overhead): Take size_t argument.
5033 (bitmap_move): New function.
5034 * df-problems.c (df_rd_transfer_function): Use bitmap_move
5035 to properly account overhead.
5036 * tree.c (free_node): Use tree_size.
5038 2016-02-23 Jakub Jelinek <jakub@redhat.com>
5041 * fold-const.c (fold_truth_not_expr): Propagate TREE_NO_WARNING
5042 when inverting comparison.
5045 * common.opt (Wunreachable-code): Add Warning flag.
5047 2016-02-23 Mark Wielaard <mjw@redhat.com>
5048 Jakub Jelinek <jakub@redhat.com>
5051 * cgraphunit.c (check_global_declaration): Check main_input_filename
5052 and DECL_SOURCE_FILE are not NULL.
5054 2016-02-23 Martin Jambor <mjambor@suse.cz>
5056 PR tree-optimization/69666
5057 * tree-sra.c (sra_modify_assign): Do not attempt to create
5058 default_def replacements for unscalarizable regions.
5060 2016-02-20 Mark Wielaard <mjw@redhat.com>
5063 * cgraphunit.c (check_global_declaration): Check level of
5064 warn_unused_const_variable and main_input_filename.
5065 * doc/invoke.texi (Warning Options): Add -Wunused-const-variable=.
5066 (-Wunused-variable): For C implies -Wunused-const-variable=1.
5067 (-Wunused-const-variable): Explain levels 1 and 2.
5069 2016-02-22 Jakub Jelinek <jakub@redhat.com>
5072 * config/i386/i386.c (decide_alg): Ensure we don't recurse with
5073 identical arguments. Formatting and spelling fixes.
5076 * doc/md.texi (ashl@var{m}3): Document that mode of operand 2 must
5081 * config/m68k/t-opts (OPTIONS_H_EXTRA): Add m68k-microarchs.def
5082 and m68k-devices.def.
5083 * config/c6x/t-c6x (OPTIONS_H_EXTRA): Add c6x-isas.def.
5084 * config/aarch64/t-aarch64 (OPTIONS_H_EXTRA): Add aarch64-arches.def.
5086 2016-02-22 Cesar Philippidis <cesar@codesourcery.com>
5088 * config/nvptx/nvptx.c (nvptx_gen_shuffle): Add support for QImode
5089 and HImode registers.
5091 2016-02-22 Richard Biener <rguenther@suse.de>
5093 PR tree-optimization/69882
5094 * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Properly
5095 preserve permutations present because of gaps.
5096 (vect_supported_load_permutation_p): Always continue checking
5097 permutations after vect_attempt_slp_rearrange_stmts.
5099 2016-02-22 Bin Cheng <bin.cheng@arm.com>
5101 * tree-vect-loop.c (vect_estimate_min_profitable_iters): Dump
5102 min_profitable_estimate, rather than min_profitable_iters.
5104 2016-02-22 Jakub Jelinek <jakub@redhat.com>
5107 * config/m68k/m68k.md (ashldi3, ashrdi3, lshrdi3): Use
5108 SImode for last match_operand.
5110 2016-02-22 Martin Liska <mliska@suse.cz>
5112 * hsa-gen.c (gen_hsa_clrsb): In case of zero value,
5113 return bitsize - 1 as the return value.
5115 2016-02-22 Oleg Endo <olegendo@gcc.gnu.org>
5119 * config/sh/sh.c (sh_lshrsi_clobbers_t_reg_p, sh_dynamicalize_shift_p):
5120 Handle negative shift counts.
5121 * config/sh/sh.md (ashlsi3, lshrsi3_n, lshrsi3_n_clobbers_t): Don't use
5122 force_reg on the shift constant.
5123 (lshrsi3): Likewise. Expand into lshrsi3_n* instead of lshrsi3_d.
5124 (lshrsi3_d): Handle negative shift counts.
5126 2016-02-22 Richard Biener <rguenther@suse.de>
5127 Tom de Vries <tom@codesourcery.com>
5129 * graph.c: Include dumpfile.h.
5130 (print_graph_cfg): Split into three overloads.
5131 * gdbhooks.py (class DotFn): Add and instantiate, adding command dot-fn.
5133 2016-02-22 Tom de Vries <tom@codesourcery.com>
5135 * gdbhooks.py (class DumpFn): Add and instantiate, adding command
5138 2016-02-22 Richard Biener <rguenther@suse.de>
5141 * ipa-inline-transform.c (inline_call): When not updating
5142 overall summaries adjust self size by the growth estimate.
5143 * ipa-inline.c (inline_to_all_callers_1): Add to the callers
5144 hash-set, do not update overall summaries here. Renamed from ...
5145 (inline_to_all_callers): ... this which is now wrapping the
5146 above and performing delayed overall summary update.
5147 (early_inline_small_functions): Delay updating of the overall
5150 2016-02-21 Markus Trippelsdorf <markus@trippelsdorf.de>
5152 * tree-chkp.c (chkp_mark_invalid_bounds_walker): Initialize
5155 2016-02-19 Jakub Jelinek <jakub@redhat.com>
5158 * gcc.c (LINK_COMMAND_SPEC, GOMP_SELF_SPECS): Use
5159 :%* in %:gt() argument.
5160 (greater_than_spec_func): Adjust for expecting only numbers,
5161 if there are more than two numbers, compare the last two.
5163 2016-02-19 Jonathan Wakely <jwakely@redhat.com>
5165 * doc/invoke.texi (C++ Dialect Options): Clarify interaction of
5166 -Wnarrowing with -std.
5168 2016-02-19 Jakub Jelinek <jakub@redhat.com>
5171 * expr.c (store_field): Don't use bit-field path if exp is
5172 COMPONENT_REF with TREE_ADDRESSABLE type, where TYPE_SIZE is
5173 different from bitsize, but DECL_SIZE of FIELD_DECL is bitsize
5174 and the assignment can be performed by bitwise copy. Formatting
5178 * lra.c (lra_process_new_insns): If non-call exceptions are enabled,
5179 call copy_reg_eh_region_note_forward on before and/or after sequences
5180 and remove note from insn if it no longer can throw.
5183 * config/i386/sse.md (VI_512): Only include V64QImode and V32HImode
5186 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
5188 * config/s390/vector.md: Add missing commutative operand markers
5189 to the patterns which qualify for one.
5190 * config/s390/vx-builtins.md: Likewise.
5192 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
5194 * config/s390/vector.md (VI, VI_QHS): Add single element vector
5195 types to mode iterators.
5196 (vec_double): ... and mode attribute.
5197 * config/s390/vx-builtins.md (non_vec_int): Likewise.
5199 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
5201 * config/s390/vector.md ("<ti*>add<mode>3", "<ti*>sub<mode>3"):
5202 Change the predicate of op2 from nonimmediate to general and let
5203 reload fix it if necessary.
5205 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
5207 * config/s390/vecintrin.h (vec_sub_u128): Define missing macro.
5209 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
5211 * config/s390/s390.c (s390_expand_vcond): Use the compare operand
5214 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
5216 * config/s390/s390-protos.h: Add s390_expand_vec_movstr prototype.
5217 * config/s390/s390.c (s390_expand_vec_movstr): New function.
5218 * config/s390/s390.md ("movstr<P:mode>"): Call
5219 s390_expand_vec_movstr.
5221 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
5223 * config/s390/s390.md: Add missing output modifier for operand 1
5224 to print it as address properly.
5226 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
5228 * config/s390/2827.md: Rename ooo_* insn attributes to zEC12_*.
5229 * config/s390/2964.md: New file.
5230 * config/s390/s390.c (s390_get_sched_attrmask): Use the right set
5231 of insn grouping attributes depending on the CPU level.
5232 (s390_get_unit_mask): New function.
5233 (s390_sched_score): Remove the OOO from the scheduling macros.
5234 Add loop to calculate a score for the instruction mix.
5235 (s390_sched_reorder): Likewise plus improve debug output.
5236 (s390_sched_variable_issue): Rename macros as above. Calculate
5237 the unit distances after actually scheduling an insn. Improve
5239 (s390_sched_init): Clear last_scheduled_unit_distance array.
5240 * config/s390/s390.md: Include 2964.md.
5242 2016-02-18 Jakub Jelinek <jakub@redhat.com>
5245 * config/i386/sse.md (*<floatsuffix>floatv2div2sf2_mask_1,
5246 *avx512vl_<code>v2div2qi2_mask_1, *avx512vl_<code><mode>v4qi2_mask_1,
5247 *avx512vl_<code><mode>v8qi2_mask_1, *avx512vl_<code><mode>v4hi2_mask_1,
5248 *avx512vl_<code>v2div2hi2_mask_1, *avx512vl_<code>v2div2si2_mask_1,
5249 *avx512f_<code>v8div16qi2_mask_1): New insns.
5251 2016-02-18 Michael Meissner <meissner@linux.vnet.ibm.com>
5254 * config/rs6000/predicates.md (fusion_gpr_addis): Revert
5257 * config/rs6000/rs6000.md (fusion_gpr_load_<mode>): Remove
5258 earlyclobber from target. Use wF constraint for fused memory
5260 (fusion_gpr_<P:mode>_<GPR_FUSION:mode>_load): Likewise.
5262 2016-02-18 Jakub Jelinek <jakub@redhat.com>
5263 Martin Liska <mliska@suse.cz>
5266 * cfgexpand.c (asan_sanitize_stack_p): New function.
5267 (partition_stack_vars): Use the function.
5268 (expand_stack_vars): Likewise.
5269 (defer_stack_allocation): Likewise.
5270 (expand_used_vars): Likewise.
5272 2016-02-18 Richard Biener <rguenther@suse.de>
5275 * fold-const.c (operand_equal_p): Properly compare offsets for
5276 IMAGPART_EXPR and ARRAY_REF.
5278 2016-02-18 Nick Clifton <nickc@redhat.com>
5282 * config/arm/arm.c (arm_option_override_internal): Disable
5283 interworking if the target does not support thumb instructions.
5284 (arm_reload_in_hi): Handle the case where a register to register
5285 move needs reloading because there is no simple pattern to handle
5287 (arm_reload_out_hi): Likewise.
5289 2016-02-18 Richard Biener <rguenther@suse.de>
5292 * match.pd: Don't use fold_binary or fold_unary for folding
5295 2016-02-17 Jakub Jelinek <jakub@redhat.com>
5298 * gimplify.c (gimplify_cond_expr): Call gimple_set_no_warning
5299 on the cond_stmt from TREE_NO_WARNING on COND_EXPR_COND.
5300 * gimple-ssa-nonnull-compare.c (do_warn_nonnull_compare): Don't
5301 warn on gimple_no_warning_p statements.
5303 2016-02-17 Jonathan Wakely <jwakely@redhat.com>
5305 * doc/extend.texi (C++ Attributes): Correct description of
5306 warn_unused type attribute.
5308 2016-02-17 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
5310 * config/rs6000/altivec.md (*altivec_lvxl_<mode>_internal): Output
5311 correct instruction.
5313 2016-02-17 Richard Biener <rguenther@suse.de>
5315 PR rtl-optimization/69609
5316 * bb-reorder.c (struct bbro_basic_block_data): Add priority member.
5317 (find_traces_1_round): When ending a trace update cached priority
5319 (bb_to_key): Use cached priority when available.
5320 (copy_bb): Initialize cached priority.
5321 (reorder_basic_blocks_software_trace_cache): Likewise.
5323 2016-02-17 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
5326 * config/aarch64/predicates.md (aarch64_comparison_operator_mode):
5328 (aarch64_comparison_operator): Break overly long line into two.
5329 (aarch64_comparison_operation): Likewise.
5330 * config/aarch64/aarch64.md (cstorecc4): Use
5331 aarch64_comparison_operator_mode instead of
5332 aarch64_comparison_operator.
5333 (cstore<mode>4): Likewise.
5334 (aarch64_cstore<mode>): Likewise.
5335 (*cstoresi_insn_uxtw): Likewise.
5336 (cstore<mode>_neg): Likewise.
5337 (*cstoresi_neg_uxtw): Likewise.
5339 2016-02-17 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
5342 * config/arm/predicates.md (arm_comparison_operator_mode):
5344 * config/arm/arm.md (*mov_scc): Use arm_comparison_operator_mode
5345 instead of arm_comparison_operator.
5346 (*mov_negscc): Likewise.
5347 (*mov_notscc): Likewise.
5348 * config/arm/thumb2.md (*thumb2_mov_scc): Likewise.
5349 (*thumb2_mov_negscc): Likewise.
5350 (*thumb2_mov_negscc_strict_it): Likewise.
5351 (*thumb2_mov_notscc): Likewise.
5352 (*thumb2_mov_notscc_strict_it): Likewise.
5354 2016-02-17 Wilco Dijkstra <wdijkstr@arm.com>
5356 * config/aarch64/aarch64.c (aarch64_internal_mov_immediate):
5359 2016-02-17 Eric Botcazou <ebotcazou@adacore.com>
5361 * config/visium/visium.c (machine_libfunc_index): New enum.
5362 (machine_libfuncs): New structure.
5363 (visium_libfuncs): New static variable.
5364 (TARGET_INIT_LIBFUNCS): Define to...
5365 (visium_init_libfuncs): ...this. New function.
5366 (expand_block_move_4): Use the appropriate libfunc.
5367 (expand_block_move_2): Likewise.
5368 (expand_block_move_1): Likewise.
5369 (expand_block_set_4): Likewise.
5370 (expand_block_set_2): Likewise.
5371 (expand_block_set_1): Likewise.
5372 (visium_trampoline_init): Likewise.
5374 2016-02-17 Nick Clifton <nickc@redhat.com>
5376 * config/msp430/msp430.c (msp430_mcu_data): Sync with data from
5377 TI's devices.csv file as of March 2016.
5379 2016-02-16 Kelvin Nilsen <kelvin@gcc.gnu.org>
5382 * opts-global.c (handle_common_deferred_options): Introduce and
5383 initialize two global variables to remember command-line options
5384 specifying a stack-limiting register.
5385 * opts.h: Add extern declarations of the two new global variables.
5386 * emit-rtl.c (init_emit_once): Initialize the stack_limit_rtx
5387 variable based on the values of the two new global variables.
5389 2016-02-16 Jakub Jelinek <jakub@redhat.com>
5392 * common.opt (Wnonnull-compare): New warning.
5393 * doc/invoke.texi (-Wnonnull): Remove text about comparison
5394 of arguments against NULL.
5395 (-Wnonnull-compare): Document.
5396 * Makefile.in (OBJS): Add gimple-ssa-nonnull-compare.o.
5397 * tree-pass.h (make_pass_warn_nonnull_compare): Declare.
5398 * passes.def (pass_warn_nonnull_compare): Add.
5399 * gimple-ssa-nonnull-compare.c: New file.
5401 2016-02-16 James Greenhalgh <james.greenhalgh@arm.com>
5403 * config/aarch64/aarch64.c (cortexa57_tunings): Remove
5404 AARCH64_EXTRA_TUNE_RECIP_SQRT.
5406 2016-02-16 James Greenhalgh <james.greenhalgh@arm.com>
5408 * config/aarch64/aarch64.c (use_rsqrt_p): Always use software
5409 reciprocal sqrt for -mlow-precision-recip-sqrt.
5411 2016-02-16 James Greenhalgh <james.greenhalgh@arm.com>
5412 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
5414 * config/aarch64/aarch64.c (aarch64_expand_vector_init): Refactor,
5415 always use lane loads to construct non-constant vectors.
5417 2016-02-16 James Greenhalgh <james.greenhalgh@arm.com>
5419 * config/aarch64/aarch64.md
5420 (arch64_sqrdml<SQRDMLH_AS:rdma_as>h_lane<mode>): Fix register
5421 constraints for operand 3.
5422 (aarch64_sqrdml<SQRDMLH_AS:rdma_as>h_laneq<mode>): Likewise.
5424 2016-02-16 Jakub Jelinek <jakub@redhat.com>
5425 Richard Biener <rguenther@suse.de>
5427 PR tree-optimization/69820
5428 * tree-vect-patterns.c (type_conversion_p): Return false if
5429 *orig_type is unsigned single precision or boolean.
5430 (vect_recog_dot_prod_pattern, vect_recog_widen_mult_pattern):
5433 2016-02-16 Jakub Jelinek <jakub@redhat.com>
5435 PR rtl-optimization/69764
5436 PR rtl-optimization/69771
5437 * optabs.c (expand_binop): Ensure for shift optabs invalid CONST_INT
5438 op1 is valid for GET_MODE_INNER (mode) and force it into a reg.
5440 2016-02-16 Richard Biener <rguenther@suse.de>
5442 PR tree-optimization/69776
5443 * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Get alias
5445 (indirect_refs_may_alias_p): Likewise.
5446 (refs_may_alias_p_1): Pass alias sets as from ao_ref.
5447 * tree-ssa-sccvn.c (vn_reference_lookup): Also adjust vr alias-set
5448 according to tbaa_p.
5449 * tree-ssa-dom.c (lookup_avail_expr): Add tbaa_p flag.
5450 (optimize_stmt): For redundant store discovery do not allow tbaa.
5452 2016-02-16 Bernd Schmidt <bschmidt@redhat.com>
5454 PR tree-optimization/69714
5455 * tree-ssa-math-opts.c (find_bswap_or_nop): Revert previous change.
5456 Return NULL if we have irrelevant high bytes on BIG_ENDIAN.
5458 2016-02-16 Claudiu Zissulescu <claziss@synopsys.com>
5460 * config/arc/arc-modes.def (CC_FPU, CC_FPU_UNEQ): New modes.
5461 * config/arc/arc-opts.h (FPU_SP, FPU_SF, FPU_SC, FPU_SD, FPU_DP)
5462 (FPU_DF, FPU_DC, FPU_DD, FXP_DP): Define.
5463 * config/arc/arc.c (arc_init): Check FPU options.
5464 (get_arc_condition_code): Handle new CC_FPU* modes.
5465 (arc_select_cc_mode): Likewise.
5466 (arc_conditional_register_usage): Allow 64 bit datum into even-odd
5467 register pair only. Allow access for ARCv2 accumulator.
5468 (gen_compare_reg): Whenever we have FPU support use FPU compare
5470 (arc_reorg): Don't generate brcc insns when FPU compare
5471 instructions are involved.
5472 * config/arc/arc.h (TARGET_DPFP): Add TARGET_FP_DPAX condition.
5473 (TARGET_OPTFPE): Add condition when ARC EM can use optimized
5474 floating point emulation.
5475 (ACC_REG_FIRST, ACC_REG_LAST, ACCL_REGNO, ACCH_REGNO): Define.
5476 (REVERSE_CONDITION): Add new CC_FPU* modes.
5477 (TARGET_FP_SP_BASE): Define.
5478 (TARGET_FP_DP_BASE): Likewise.
5479 (TARGET_FP_SP_FUSED): Likewise.
5480 (TARGET_FP_DP_FUSED): Likewise.
5481 (TARGET_FP_SP_CONV): Likewise.
5482 (TARGET_FP_DP_CONV): Likewise.
5483 (TARGET_FP_SP_SQRT): Likewise.
5484 (TARGET_FP_DP_SQRT): Likewise.
5485 (TARGET_FP_DP_AX): Likewise.
5486 * config/arc/arc.md (ARCV2_ACC): New constant.
5487 (type): New fpu type attribute.
5488 (SDF): Conditional iterator.
5489 (cstore<mode>, cbranch<mode>): Change expand condition.
5490 (addsf3, subsf3, mulsf3, adddf3, subdf3, muldf3): New expands,
5491 handles FPU/FPX cases as well.
5492 * config/arc/arc.opt (mfpu): New option.
5493 * config/arc/fpx.md (addsf3_fpx, subsf3_fpx, mulsf3_fpx):
5495 (adddf3, muldf3, subdf3): Removed.
5496 * config/arc/predicates.md (proper_comparison_operator): Recognize
5498 * config/arc/fpu.md: New file.
5499 * doc/invoke.texi (ARC Options): Document mfpu option.
5501 2016-02-16 Richard Biener <rguenther@suse.de>
5503 PR rtl-optimization/69291
5504 * ifcvt.c (noce_try_store_flag_constants): Re-instantiate
5505 noce_operand_ok check.
5507 2016-02-16 Tom de Vries <tom@codesourcery.com>
5510 * omp-low.c (simd_clone_create): Remove call to
5511 symtab->call_cgraph_insertion_hooks.
5513 2016-02-16 Jakub Jelinek <jakub@redhat.com>
5515 PR tree-optimization/69802
5516 * tree-ssa-reassoc.c (update_range_test): If op is
5517 SSA_NAME_IS_DEFAULT_DEF, give up unless tem is a positive
5518 op == 1 test of precision 1 integral op, otherwise handle
5519 that case as op itself. Fix up formatting.
5520 (optimize_range_tests_to_bit_test, optimize_range_tests): Fix
5523 2016-02-16 Richard Biener <rguenther@suse.de>
5525 PR tree-optimization/69586
5526 * tree-vrp.c (register_edge_assert_for_2): Handle all integral
5527 types for conversion sources.
5529 2016-02-16 Richard Biener <rguenther@suse.de>
5532 * fold-const.c (operand_equal_p): For COND_EXPR zero operand
5533 mask OEP_ADDRESS_OF.
5535 2016-02-16 Alan Modra <amodra@gmail.com>
5538 * config/rs6000/rs6000.md (reload_vsx_from_gprsf): Rewrite splitter.
5539 (p8_mtvsrd_df, p8_mtvsrd_sf): New.
5540 (p8_mtvsrd_1, p8_mtvsrd_2): Delete.
5542 (p8_mtvsrwz_1, p8_mtvsrwz_2): Delete.
5543 (p8_xxpermdi_<mode>): Take two DF inputs rather than one TF.
5544 (p8_fmrgow_<mode>): Likewise.
5545 (reload_vsx_from_gpr<mode>): Make clobber IF. Adjust for above
5547 (reload_fpr_from_gpr<mode>): Similarly. Use "d" for op0 constraint.
5548 (reload_vsx_from_gprsf): Use p8_mtvsrd_sf rather than attempting
5549 to use movdi_internal64. Remove op0_di.
5550 * config/rs6000/vsx.md (vsx_xscvspdpn_directmove): Make op1 SFmode.
5552 2016-02-15 Evandro Menezes <e.menezes@samsung.com>
5554 Add support for the FCCMP insn types
5556 * config/aarch64/aarch64.md (fccmp): Change insn type.
5558 * config/aarch64/thunderx.md (thunderx_fcmp): Add "fccmp{s,d}" types.
5559 * config/arm/cortex-a53.md (cortex_a53_fpalu): Likewise.
5560 * config/arm/cortex-a57.md (cortex_a57_fp_cmp): Likewise.
5561 * config/arm/xgene1.md (xgene1_fcmp): Likewise.
5562 * config/arm/exynos-m1.md (exynos_m1_fp_ccmp): New insn reservation.
5563 * config/arm/types.md (fccmps): Add new insn type.
5566 2016-02-15 Bernd Edlinger <bernd.edlinger@hotmail.de>
5568 * alias.c (get_alias_set): Fix a typo in comment.
5570 2016-02-15 Richard Biener <rguenther@suse.de>
5572 PR tree-optimization/69595
5573 * match.pd: Complete range test simplification to true.
5575 2016-02-15 Bernd Schmidt <bschmidt@redhat.com>
5577 PR rtl-optimization/69648
5578 * lra-constraints.c (update_ebb_live_info): Don't remove sets of
5579 pic_offset_table_rtx.
5581 PR rtl-optimization/69752
5582 * ira.c (update_equiv_regs): When looking for more than a single SET,
5583 also take other side effects into account.
5585 2016-02-15 Marcin Kościelnicki <koriakin@0x04.net>
5587 * config/s390/s390.c (s390_function_profiler): Add a new sequence
5588 for z900+ CPUs in 31-bit mode.
5590 2016-02-15 Marcin Kościelnicki <koriakin@0x04.net>
5592 * common/config/s390/s390-common.c (s390_supports_split_stack):
5594 (TARGET_SUPPORTS_SPLIT_STACK): New macro.
5595 * config/s390/s390-protos.h: Add s390_expand_split_stack_prologue.
5596 * config/s390/s390.c (struct machine_function): New field
5597 split_stack_varargs_pointer.
5598 (s390_register_info): Mark r12 as clobbered if it'll be used as temp
5599 in s390_emit_prologue.
5600 (s390_emit_prologue): Use r12 as temp if r1 is taken by split-stack
5602 (morestack_ref): New global.
5603 (SPLIT_STACK_AVAILABLE): New macro.
5604 (s390_expand_split_stack_prologue): New function.
5605 (s390_live_on_entry): New function.
5606 (s390_va_start): Use split-stack vararg pointer if appropriate.
5607 (s390_asm_file_end): Emit the split-stack note sections.
5608 (TARGET_EXTRA_LIVE_ON_ENTRY): New macro.
5609 * config/s390/s390.md (UNSPEC_STACK_CHECK): New unspec.
5610 (UNSPECV_SPLIT_STACK_CALL): New unspec.
5611 (UNSPECV_SPLIT_STACK_DATA): New unspec.
5612 (split_stack_prologue): New expand.
5613 (split_stack_space_check): New expand.
5614 (split_stack_data): New insn.
5615 (split_stack_call): New expand.
5616 (split_stack_call_*): New insn.
5617 (split_stack_cond_call): New expand.
5618 (split_stack_cond_call_*): New insn.
5620 2016-02-15 Richard Biener <rguenther@suse.de>
5622 PR tree-optimization/69783
5623 * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
5624 Add trivially correct cases.
5626 2016-02-15 Tom de Vries <tom@codesourcery.com>
5629 * lto-cgraph.c (input_offload_tables): Add and handle bool parameter
5631 * lto-streamer.h (input_offload_tables): Add and handle bool parameter.
5633 2016-02-15 Richard Biener <rguenther@suse.de>
5635 PR tree-optimization/69776
5636 * tree-ssa-sccvn.h (vn_reference_lookup): Adjust prototype.
5637 * tree-ssa-sccvn.c (vn_reference_lookup): Add parameter to
5638 indicate whether we can use TBAA to disambiguate against stores.
5639 Use alias-set zero if not.
5640 (visit_reference_op_store): Do not use TBAA when looking up
5642 * tree-ssa-pre.c (compute_avail): Use TBAA here.
5643 (eliminate_dom_walker::before_dom_children): But not when looking
5644 up redundant stores.
5646 2016-02-14 John David Anglin <danglin@gcc.gnu.org>
5648 * config/pa/pa.md (absqi2, absghi2, bswaphi2, bswapsi2, bswapdi2): New.
5650 2016-02-14 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
5652 * config/i386/znver1.md
5653 (znver1_pop, znver1_pop_mem,
5654 znver1_load_imov_double_store,
5655 znver1_load_imov_direct_store,
5656 znver1_load_imov_direct_load,
5657 znver1_load_imov_double_load): Add new.
5658 (znver1_insn, znver1_insn_load): Add icmov type.
5660 znver1_sseavx_fma_load,
5662 znver1_avx256_fma_load): Fix pipe usage.
5664 2016-02-14 Alan Modra <amodra@gmail.com>
5667 * reloads.c (find_reloads_address_1): For pre/post-inc/dec
5668 with an invalid hard reg, reload just the reg not the entire
5669 pre/post-inc/dec address expression.
5671 2016-02-13 Oleg Endo <olegendo@gcc.gnu.org>
5674 * config/sh/sh.md (sibcall_value_pcrel): Replace =&k scratch reg with
5675 fixed R1_REG scratch reg.
5676 (sibcall_value_pcrel_fdpic): Likewise.
5678 2016-02-13 Oleg Endo <olegendo@gcc.gnu.org>
5682 * config/sh/sh.md (*zero_extract_3): New insn_and_split pattern.
5684 2016-02-12 Walter Lee <walt@tilera.com>
5686 * config/tilepro/t-tilepro: Replace CC_FOR_BUILD with CXX_FOR_BUILD.
5687 * config/tilegx/t-tilegx: Likewise.
5689 2016-02-12 David Malcolm <dmalcolm@redhat.com>
5692 * diagnostic-show-locus.c (struct line_span): New struct.
5693 (layout::get_first_line): Delete.
5694 (layout::get_last_line): Delete.
5695 (layout::get_num_line_spans): New member function.
5696 (layout::get_line_span): Likewise.
5697 (layout::print_heading_for_line_span_index_p): Likewise.
5698 (layout::get_expanded_location): Likewise.
5699 (layout::calculate_line_spans): Likewise.
5700 (layout::m_first_line): Delete.
5701 (layout::m_last_line): Delete.
5702 (layout::m_line_spans): New field.
5703 (layout::layout): Update comment. Replace m_first_line and
5704 m_last_line with m_line_spans, replacing their initialization
5705 with a call to calculate_line_spans.
5706 (diagnostic_show_locus): When printing source lines and
5707 annotations, rather than looping over a single span
5708 of lines, instead loop over each line_span within
5709 the layout, with an inner loop over the lines within them.
5710 Call the context's start_span callback when changing line spans.
5711 * diagnostic.c (diagnostic_initialize): Initialize start_span.
5712 (diagnostic_build_prefix): Break out the building of the location
5713 part of the string into...
5714 (diagnostic_get_location_text): ...this new function, rewriting
5715 it from nested ternary expressions to a sequence of "if"
5717 (default_diagnostic_start_span_fn): New function.
5718 * diagnostic.h (diagnostic_start_span_fn): New typedef.
5719 (diagnostic_context::start_span): New field.
5720 (default_diagnostic_start_span_fn): New prototype.
5722 2016-02-12 David Malcolm <dmalcolm@redhat.com>
5725 * gcc.c (driver::finalize): Fix cleanup of "specs".
5727 2016-02-12 David Malcolm <dmalcolm@redhat.com>
5731 * gcc.c (driver::driver): Initialize m_option_suggestions.
5732 (driver::~driver): Clean up m_option_suggestions.
5733 (suggest_option): Convert to...
5734 (driver::suggest_option): ...this, and split out into
5735 driver::build_option_suggestions and find_closest_string.
5736 (driver::build_option_suggestions): New function, from
5737 first half of suggest_option. Special-case
5738 OPT_fsanitize_ and OPT_fsanitize_recover_, making use of
5739 the sanitizer_opts array. For options of enum types, add the
5740 various enum values to the candidate strings.
5741 (driver::handle_unrecognized_options): Remove "const".
5742 * gcc.h (driver::handle_unrecognized_options): Likewise.
5743 (driver::build_option_suggestions): New decl.
5744 (driver::suggest_option): New decl.
5745 (driver::m_option_suggestions): New field.
5746 * opts-common.c (add_misspelling_candidates): New function.
5747 * opts.c (sanitizer_opts): Remove decl of struct sanitizer_opts_s
5748 and make non-static.
5749 * opts.h (sanitizer_opts): New array decl.
5750 (add_misspelling_candidates): New function decl.
5751 * spellcheck.c (find_closest_string): New function.
5752 * spellcheck.h (find_closest_string): New function decl.
5754 2016-02-12 Jakub Jelinek <jakub@redhat.com>
5756 PR rtl-optimization/69764
5757 PR rtl-optimization/69771
5758 * optabs.c (expand_binop_directly): For shift_optab_p, force
5759 convert_modes with VOIDmode if xop1 has VOIDmode.
5761 2016-02-12 Ilya Enkovich <enkovich.gnu@gmail.com>
5764 * lto-streamer-out.c (lto_output): Use thunk.add_pointer_bounds_args
5765 to correctly determine instrumentation thunks.
5767 2016-02-12 Jakub Jelinek <jakub@redhat.com>
5770 * ipa-split.c (split_function): If split part returns TREE_ADDRESSABLE
5771 type by reference, force lhs on the call.
5774 * ipa-split.c (split_function): Don't compute/use main_part_return_p.
5775 Compute retval and retbnd early in all cases if split_part_return_p
5776 and return_bb is not EXIT. Remove all clobber stmts and reset
5777 all debug stmts that refer to SSA_NAMEs defined in split part,
5778 except if it is retval, in that case replace the old retval with the
5779 lhs of the call to the split part.
5781 2016-02-12 Kugan Vivekanandarajah <kuganv@linaro.org>
5784 2016-02-12 Kugan Vivekanandarajah <kuganv@linaro.org>
5787 * tree-ssa-reassoc.c (optimize_range_tests): Handle tcc_compare stmt
5788 whose result is used in PHI.
5789 (maybe_optimize_range_tests): Likewise.
5790 (final_range_test_p): Likweise.
5792 2016-02-12 Kugan Vivekanandarajah <kuganv@linaro.org>
5795 * tree-ssa-reassoc.c (optimize_range_tests): Handle tcc_compare stmt
5796 whose result is used in PHI.
5797 (maybe_optimize_range_tests): Likewise.
5798 (final_range_test_p): Likweise.
5800 2016-02-12 Jakub Jelinek <jakub@redhat.com>
5802 * cgraph.c: Spelling fixes - behaviour -> behavior and
5803 neighbour -> neighbor.
5804 * target.def: Likewise.
5805 * sel-sched.c: Likewise.
5806 * config/mips/mips.c: Likewise.
5807 * config/arc/arc.md: Likewise.
5808 * config/arm/cortex-a57.md: Likewise.
5809 * config/arm/arm.c: Likewise.
5810 * config/arm/neon.md: Likewise.
5811 * config/arm/arm-c.c: Likewise.
5812 * config/vms/vms-c.c: Likewise.
5813 * config/s390/s390.c: Likewise.
5814 * config/i386/znver1.md: Likewise.
5815 * config/i386/i386.c: Likewise.
5816 * config/ia64/hpux-unix2003.h: Likewise.
5817 * config/msp430/msp430.md: Likewise.
5818 * config/rx/rx.c: Likewise.
5819 * config/rx/rx.md: Likewise.
5820 * config/aarch64/aarch64-simd.md: Likewise.
5821 * config/aarch64/aarch64.c: Likewise.
5822 * config/nvptx/nvptx.c: Likewise.
5823 * config/bfin/bfin.c: Likewise.
5824 * config/cris/cris.opt: Likewise.
5825 * config/rs6000/rs6000.c: Likewise.
5826 * target.h: Likewise.
5827 * spellcheck.c: Likewise.
5828 * ira-build.c: Likewise.
5829 * tree-inline.c: Likewise.
5830 * builtins.c: Likewise.
5831 * lra-constraints.c: Likewise.
5832 * explow.c: Likewise.
5833 * hwint.h: Likewise.
5834 * targhooks.c: Likewise.
5835 * tree-vect-data-refs.c: Likewise.
5837 * doc/tm.texi: Likewise.
5838 * doc/extend.texi: Likewise.
5839 * doc/install.texi: Likewise.
5840 * doc/md.texi: Likewise.
5841 * tree-ssa-tail-merge.c: Likewise.
5842 * sched-int.h: Likewise.
5843 * match.pd: Likewise.
5844 * sched-ebb.c: Likewise.
5845 * target.def (omit_struct_return_reg): Likewise.
5846 * gimple-ssa-isolate-paths.c: Likewise.
5847 (find_implicit_erroneous_behaviour): Renamed to...
5848 (find_implicit_erroneous_behavior): ... this.
5849 (find_explicit_erroneous_behaviour): Renamed to...
5850 (find_explicit_erroneous_behavior): ... this.
5851 (gimple_ssa_isolate_erroneous_paths): Adjust caller.
5853 2016-02-11 Segher Boessenkool <segher@kernel.crashing.org>
5855 PR rtl-optimization/64682
5856 PR rtl-optimization/69567
5857 PR rtl-optimization/69737
5858 * combine.c (distribute_notes) <REG_DEAD>: If the register is set
5859 in I2 as well, just lose it.
5861 2016-02-11 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
5863 * config/aarch64/aarch64.c (aarch64_last_printed_arch_string):
5865 (aarch64_last_printed_tune_string): Likewise.
5866 (aarch64_declare_function_name): Only output .arch assembler
5867 directive if it will be different from the previously output
5868 directive. Same for .tune comment but only if -dA is set.
5869 (aarch64_start_file): New function.
5870 (TARGET_ASM_FILE_START): Define.
5872 2016-02-11 David Malcolm <dmalcolm@redhat.com>
5875 * Makefile.in (PLUGIN_HEADERS): Add params.list.
5877 2016-02-11 Jakub Jelinek <jakub@redhat.com>
5880 * tree-vect-slp.c (vect_schedule_slp_instance): Avoid
5881 -Wmaybe-uninitialized warning.
5883 2016-02-11 Oleg Endo <olegendo@gcc.gnu.org>
5886 * config/sh/sh.md (casesi_worker_0): Add T_REG use.
5888 2016-02-11 Richard Biener <rguenther@suse.de>
5890 PR rtl-optimization/69291
5891 * ifcvt.c (noce_try_store_flag_constants): Do not allow
5892 subexpressions affected by changing the result.
5894 2016-02-10 Vladimir Makarov <vmakarov@redhat.com>
5897 * lra-constraints.c (curr_insn_transform): Find in/out operands
5898 for secondary memory moves. Update dups.
5900 2016-02-10 Yuri Rumyantsev <ysrumyan@gmail.com>
5902 PR tree-optimization/69652
5903 * tree-vect-loop.c (optimize_mask_stores): Move declaration of STMT1
5904 to nested loop, did source re-formatting, skip debug statements,
5905 add check on statement with volatile operand, remove dead scalar
5908 2016-02-10 Jakub Jelinek <jakub@redhat.com>
5909 Patrick Palka <ppalka@gcc.gnu.org>
5913 * gimplify.c (gimplify_modify_expr): Set lhs even for noreturn
5914 calls if the return type is TREE_ADDRESSABLE.
5915 * cgraphunit.c (cgraph_node::expand_thunk): Likewise.
5916 * ipa-split.c (split_function): Fix doubled "we" in comment.
5917 Use void return type for the split part even if
5918 !split_point->split_part_set_retval.
5920 2016-02-10 Bin Cheng <bin.cheng@arm.com>
5922 PR tree-optimization/68021
5923 * tree-ssa-loop-ivopts.c (get_computation_aff): Set ratio to 1 if
5924 when computing the value of biv cand by itself.
5926 2016-02-10 Wilco Dijkstra <wdijkstr@arm.com>
5928 * config/aarch64/aarch64.c (cortexa53_tunings): Enable AES fusion.
5929 (cortexa57_tunings): Likewise.
5930 (cortexa72_tunings): Likewise.
5931 (arch_macro_fusion_pair_p): Add support for AES fusion.
5932 * config/aarch64/aarch64-fusion-pairs.def: Add AES_AESMC entry.
5933 * config/arm/aarch-common.c (aarch_crypto_can_dual_issue):
5934 Allow virtual registers before reload so early scheduling works.
5935 * config/arm/cortex-a57.md (cortex_a57_crypto_simple): Use
5936 correct latency and pipeline.
5937 (cortex_a57_crypto_complex): Likewise.
5938 (cortex_a57_crypto_xor): Likewise.
5939 (define_bypass): Add AES bypass.
5941 2016-02-10 Richard Biener <rguenther@suse.de>
5943 PR tree-optimization/69726
5944 * passes.def: Add DCE pass before late uninit.
5945 * match.pd: Add A ? B : (!A ? C : X) -> A ? B : C patterns to
5946 really fixup if-conversions job.
5948 2016-02-10 Wilco Dijkstra <wdijkstr@arm.com>
5950 * config/arm/arm.c (arm_cortex_a53_tune): Enable AES fusion.
5951 (arm_cortex_a57_tune): Likewise.
5952 (aarch_macro_fusion_pair_p): Add support for AES fusion.
5953 * config/arm/arm-protos.h (fuse_ops): Add FUSE_AES_AESMC.
5955 2016-02-10 Eric Botcazou <ebotcazou@adacore.com>
5957 * timevar.def (TV_PHASE_DBGINFO): Delete.
5958 (TV_PHASE_CHECK_DBGINFO): Likewise.
5959 * varpool.c (varpool_node::assemble_decl): Do not change timevar.
5961 2016-02-10 Richard Biener <rguenther@suse.de>
5963 PR tree-optimization/69719
5964 * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
5965 Adjust previous fix by ensuring that dr_a1 is left of dr_a2.
5967 2016-02-09 Andrew Pinski <apinski@cavium.com>
5970 * optabs-tree.c (expand_vec_cond_expr_p): Don't early return if
5971 get_vcond_mask_icode returns false.
5973 2016-02-09 Michael Meissner <meissner@linux.vnet.ibm.com>
5976 * config/rs6000/predicates.md (fusion_gpr_addis): Prevent fusing
5977 an ADDIS that adds a pointer to a large constant that sets the
5978 upper16 bits with a load operation.
5980 2016-02-09 Charles Baylis <charles.baylis@linaro.org>
5983 * config/arm/arm.c (arm_evpc_neon_vzip): Allow for big endian lane
5985 * config/arm/arm_neon.h (vzipq_s8): Adjust shuffle patterns for big
5987 (vzipq_s16): Likewise.
5988 (vzipq_s32): Likewise.
5989 (vzipq_f32): Likewise.
5990 (vzipq_u8): Likewise.
5991 (vzipq_u16): Likewise.
5992 (vzipq_u32): Likewise.
5993 (vzipq_p8): Likewise.
5994 (vzipq_p16): Likewise.
5996 2016-02-09 Charles Baylis <charles.baylis@linaro.org>
5999 * config/arm/arm.c (neon_endian_lane_map): New function.
6000 (neon_vector_pair_endian_lane_map): New function.
6001 (arm_evpc_neon_vuzp): Allow for big endian lane order.
6002 * config/arm/arm_neon.h (vuzpq_s8): Adjust shuffle patterns for big
6004 (vuzpq_s16): Likewise.
6005 (vuzpq_s32): Likewise.
6006 (vuzpq_f32): Likewise.
6007 (vuzpq_u8): Likewise.
6008 (vuzpq_u16): Likewise.
6009 (vuzpq_u32): Likewise.
6010 (vuzpq_p8): Likewise.
6011 (vuzpq_p16): Likewise.
6013 2016-02-11 Alexandre Oliva <aoliva@redhat.com>
6016 * regstat.c (regstat_bb_compute_calls_crossed): Disregard
6019 2016-02-09 Uros Bizjak <ubizjak@gmail.com>
6021 * config/i386/i386.md (insv<mode>_1): Use gen_int_mode to
6022 truncate const_int operand 1 to QImode.
6024 2016-02-09 Eric Botcazou <ebotcazou@adacore.com>
6026 * gimple-ssa-backprop.c (optimize_phi): Do not replace an argument
6027 corresponding to an abnormal edge.
6029 2016-02-09 Tom de Vries <tom@codesourcery.com>
6031 PR tree-optimization/69599
6032 * tree-ssa-structalias.c (fndecl_maybe_in_other_partition): New
6034 (find_func_aliases_for_builtin_call, find_func_clobbers)
6035 (ipa_pta_execute): Handle case that foo and foo._0 are not in same lto
6038 2016-02-09 Richard Biener <rguenther@suse.de>
6040 PR tree-optimization/69715
6041 * tree-ssa.c (execute_update_addresses_taken): Mark non-decl
6042 LHS on calls as non-rewritable.
6044 2016-02-09 Tom de Vries <tom@codesourcery.com>
6047 * lto-wrapper.c (append_diag_options): New function.
6048 (compile_offload_image): Call append_diag_options.
6050 2016-02-08 Sandra Loosemore <sandra@codesourcery.com>
6053 * doc/extend.texi (Flag Output Operands): Correct sectioning.
6054 Minor copy-edit to fix verb tenses.
6056 2016-02-08 Jakub Jelinek <jakub@redhat.com>
6058 PR tree-optimization/69209
6059 * ipa-split.c (split_function): If split part is not
6060 returning retval, retval has gimple type but is not
6061 gimple value, force it into a SSA_NAME first.
6063 2016-02-08 Nicklas Bo Jensen <nbjensen@gmail.com>
6065 * doc/tree-ssa.texi (Preserving the virtual SSA form): Remove
6068 2016-02-08 Jason Merrill <jason@redhat.com>
6071 * convert.c (convert_to_integer_1): Check dofold on truncation
6073 (convert_to_pointer_maybe_fold, convert_to_real_maybe_fold)
6074 (convert_to_integer_maybe_fold, convert_to_complex_maybe_fold):
6075 Rename from *_nofold.
6076 * convert.h (convert_to_pointer_nofold, convert_to_integer_nofold)
6077 (convert_to_real_nofold, convert_to_complex_nofold): New inlines.
6079 2016-02-08 Bernd Schmidt <bschmidt@redhat.com>
6082 * tree.c (build_common_tree_nodes): Remove short_double argument.
6083 All callers changed.
6084 * tree.h (build_common_tree_nodes): Adjust declaration.
6085 * doc/invoke.texi (-fshort-double): Remove documentation.
6086 * config/mips/t-img-elf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
6087 MULTILIB_EXCEPTIONS): Remove -fshort-double variant.
6088 * lto-wrapper.c (merge_and_complain, append_compiler_options)
6089 (append_linker_options): Don't handle OPT_fshort_double.
6091 PR rtl-optimization/68730
6092 * lra-remat.c (insn_to_cand_activation): New static variable.
6093 (lra_remat): Allocate and free it.
6094 (create_cand): New arg activation. Initialize a field in
6095 insn_to_cand_activation if it is nonnull.
6096 (create_cands): Pass the activation insn to create_cand when making
6097 a candidate involving an output reload. Reorganize code a little.
6098 (do_remat): Keep track of active status of candidates in a separate
6101 2016-02-08 Richard Biener <rguenther@suse.de>
6103 PR tree-optimization/69719
6104 * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
6105 Properly use absolute of the difference of the two offsets to
6106 compare or adjust the segment length.
6108 2016-02-08 Richard Biener <rguenther@suse.de>
6109 Jeff Law <law@redhat.com>
6112 * tree-ssanames.c (make_ssa_name_fn): Always use unqualified
6113 types for anonymous SSA names.
6115 2016-02-08 Richard Biener <rguenther@suse.de>
6117 PR rtl-optimization/69274
6118 * ira.c (ira_setup_alts): Do not change recog_data.operand order.
6120 2016-02-08 Jeff Law <law@redhat.com>
6122 PR tree-optimization/65917
6123 * tree-ssa-dom.c (record_temporary_equivalences): Record both
6124 equivalences from if (x == y) style conditionals.
6125 (loop_depth_of_name): Remove.
6126 (record_equality): Remove loop depth check.
6127 * tree-ssa-scopedtables.h (const_and_copies): Refine comments.
6128 (const_and_copies::record_const_or_copy_raw): New member function.
6129 * tree-ssa-scopedtables.c
6130 (const_and_copies::record_const_or_copy_raw): New, factored out of
6131 (const_and_copies::record_const_or_copy): Call new member function.
6133 2016-02-05 Jeff Law <law@redhat.com>
6135 PR tree-optimization/68541
6136 * gimple-ssa-split-paths.c: Include tree-cfg.h and params.h.
6137 (count_stmts_in_block): New function.
6138 (poor_ifcvt_candidate_code): Likewise.
6139 (is_feasible_trace): Add some heuristics to determine when path
6140 splitting is profitable.
6141 (find_block_to_duplicate_for_splitting_paths): Make sure the graph
6142 is a diamond with a single exit.
6144 2016-02-05 Martin Sebor <msebor@redhat.com>
6147 * doc/invoke.texi: Update -Wplacement-new to take an optional
6150 2016-02-06 Richard Henderson <rth@redhat.com>
6153 * tree.c (tree_nop_conversion_p): Do not strip casts into or
6154 out of non-standard address spaces.
6156 2016-02-05 Jakub Jelinek <jakub@redhat.com>
6158 PR rtl-optimization/69691
6159 * lra-eliminations.c (move_plus_up): Don't add the addend twice.
6161 2016-02-05 Pat Haugen <pthaugen@us.ibm.com>
6163 * config/rs6000/crypto.md (crypto_vpermxor_<mode>): Correct insn type.
6164 * config/rs6000/rs6000.md (mov<mode>_hardfloat): Likewise.
6165 (*ieee128_mfvsrd_64bit): Likewise.
6166 (*ieee128_mfvsrd_32bit): Likewise.
6168 2016-02-05 Ilya Enkovich <enkovich.gnu@gmail.com>
6172 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
6174 * cgraphunit.c (cgraph_node::reset): Clear thunk info and
6175 instrumented_version.
6177 2016-01-05 Jeremy Bennett <jeremy.bennett@embecosm.com>
6179 * doc/invoke.texi (Optimize Options): In table of --param options
6180 rename second occurrence of tracer-min-branch-ratio to
6181 tracer-min-branch-probability, rename
6182 tracer-min-branch-ratio-feedback to
6183 tracer-min-branch-probability-feedback and clarify description,
6184 rename sched-spec-state-edge-prob-cutoff to
6185 sched-state-edge-prob-cutoff, rename selsched-max-insns-to-rename
6186 to selsched-insns-to-rename, rename lto-minpartition to
6187 lto-min-partition, delete reorder-blocks-duplicate and
6188 reorder-blocks-duplicate-feedback.
6190 2016-02-05 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
6192 * config/s390/s390.c (s390_register_info_set_ranges): Remove
6195 2016-02-05 Dominik Vogt <vogt@linux.vnet.ibm.com>
6197 * doc/extend.texi: S/390: Correct some typos.
6199 2016-02-05 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
6201 * config/s390/s390.c (s390_emit_call): Add missing 64 bit check.
6203 2016-02-05 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
6206 * config/s390/s390.c (SAVE_SLOT_NONE, SAVE_SLOT_STACK): New defines.
6207 (s390_register_info_gprtofpr): Use new macros above.
6208 (s390_register_info_stdarg_fpr): Adjust max_fpr to better match
6210 (s390_register_info_stdarg_gpr): Adjust max_gpr to better match
6211 its name. Adjust restore and save gpr ranges.
6212 (s390_register_info_set_ranges): New function.
6213 (s390_register_info): Use new macros above. Call
6214 s390_register_info_set_ranges.
6215 (s390_optimize_register_info): Likewise.
6216 (s390_hard_regno_rename_ok): Use new macros.
6217 (s390_hard_regno_scratch_ok): Likewise.
6218 (s390_emit_epilogue): Likewise.
6219 (s390_can_use_return_insn): Likewise.
6220 (s390_optimize_prologue): Likewise.
6221 * config/s390/s390.md (GPR2_REGNUM, GPR6_REGNUM): New constants.
6223 2016-02-05 Jakub Jelinek <jakub@redhat.com>
6226 * config/i386/i386.c (convert_scalars_to_vector): Readd stack
6228 (ix86_option_override_internal): Disable TARGET_STV even for
6229 -m{incoming,preferred}-stack-boundary=3.
6231 2016-02-03 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
6233 * config.gcc: Mark deprecated rtems targets as obsolete.
6235 2016-02-04 Segher Boessenkool <segher@kernel.crashing.org>
6237 PR rtl-optimization/64682
6238 PR rtl-optimization/69567
6239 * combine.c (distribute_notes) <REG_DEAD>: Place the death note
6240 before I2 only if the register is both used and set in I2.
6242 2016-02-04 DJ Delorie <dj@redhat.com>
6244 * config/msp430/msp430.c (msp430_start_function): Add function type.
6246 2016-02-04 Jakub Jelinek <jakub@redhat.com>
6249 * tree-dfa.c (get_ref_base_and_extent): Remove unreachable code.
6251 2016-02-04 Uros Bizjak <ubizjak@gmail.com>
6253 PR rtl-optimization/69577
6255 2015-10-29 Richard Henderson <rth@redhat.com>
6259 * config/i386/i386.c (ix86_cannot_change_mode_class): Tighten
6260 sse check to the exact conditions of PR 67609.
6262 2016-02-04 Michael Meissner <meissner@linux.vnet.ibm.com>
6265 * config/rs6000/rs6000.md (mov<mode>_64bit_dm): Use 'd' constraint
6266 instead of 'ws', and 'wh' instead of 'wm' since TFmode/IFmode are
6267 not allowed into the traditional Altivec registers.
6268 (movtd_64bit_nodm): Likewise.
6269 (mov<mode>_32bit, FMOVE128_FPR iterator): Likewise.
6271 2016-02-04 David Malcolm <dmalcolm@redhat.com>
6273 * config/aarch64/cortex-a57-fma-steering.c
6274 (aarch64_register_fma_steering): Remove "static" from arguments
6277 2016-02-04 Wilco Dijkstra <wdijkstr@arm.com>
6280 * ccmp.c (expand_ccmp_expr_1): Avoid evaluating gs0/gs1
6283 2016-02-04 Mike Frysinger <vapier@gentoo.org>
6285 * doc/invoke.texi: Delete -mno-fma4.
6287 2016-02-04 Richard Sandiford <richard.sandiford@arm.com>
6289 PR rtl-optimization/69577
6290 * reginfo.c (record_subregs_of_mode): Add a partial_def parameter.
6291 (find_subregs_of_mode): Update accordingly. Iterate over partial
6294 2016-02-04 Alan Lawrence <alan.lawrence@arm.com>
6296 * config/arm/arm-protos.h (neon_reinterpret): Remove.
6297 * config/arm/arm.c (neon_reinterpret): Remove.
6298 * config/arm/arm_neon_builtins.def (vreinterpretv8qi, vreinterpretv4hi,
6299 vreinterpretv2si, vreinterpretv2sf, vreinterpretdi, vreinterpretv16qi,
6300 vreinterpretv8hi, vreinterpretv4si, vreinterpretv4sf, vreinterpretv2di,
6301 vreinterpretti): Remove.
6302 * config/arm/neon.md (neon_vreinterpretv8qi<mode>,
6303 neon_vreinterpretv4hi<mode>, neon_vreinterpretv2si<mode>,
6304 neon_vreinterpretv2sf<mode>, neon_vreinterpretdi<mode>,
6305 neon_vreinterpretti<mode>, neon_vreinterpretv16qi<mode>,
6306 neon_vreinterpretv8hi<mode>, neon_vreinterpretv4si<mode>,
6307 neon_vreinterpretv4sf<mode>, neon_vreinterpretv2di<mode>): Remove.
6308 * config/arm/arm_neon.h (vreinterpret_p8_p16, vreinterpret_p8_f32,
6309 vreinterpret_p8_p64, vreinterpret_p8_s64, vreinterpret_p8_u64,
6310 vreinterpret_p8_s8, vreinterpret_p8_s16, vreinterpret_p8_s32,
6311 vreinterpret_p8_u8, vreinterpret_p8_u16, vreinterpret_p8_u32,
6312 vreinterpret_p16_p8, vreinterpret_p16_f32, vreinterpret_p16_p64,
6313 vreinterpret_p16_s64, vreinterpret_p16_u64, vreinterpret_p16_s8,
6314 vreinterpret_p16_s16, vreinterpret_p16_s32, vreinterpret_p16_u8,
6315 vreinterpret_p16_u16, vreinterpret_p16_u32, vreinterpret_f32_p8,
6316 vreinterpret_f32_p16, vreinterpret_f32_p64, vreinterpret_f32_s64,
6317 vreinterpret_f32_u64, vreinterpret_f32_s8, vreinterpret_f32_s16,
6318 vreinterpret_f32_s32, vreinterpret_f32_u8, vreinterpret_f32_u16,
6319 vreinterpret_f32_u32, vreinterpret_p64_p8, vreinterpret_p64_p16,
6320 vreinterpret_p64_f32, vreinterpret_p64_s64, vreinterpret_p64_u64,
6321 vreinterpret_p64_s8, vreinterpret_p64_s16, vreinterpret_p64_s32,
6322 vreinterpret_p64_u8, vreinterpret_p64_u16, vreinterpret_p64_u32,
6323 vreinterpret_s64_p8, vreinterpret_s64_p16, vreinterpret_s64_f32,
6324 vreinterpret_s64_p64, vreinterpret_s64_u64, vreinterpret_s64_s8,
6325 vreinterpret_s64_s16, vreinterpret_s64_s32, vreinterpret_s64_u8,
6326 vreinterpret_s64_u16, vreinterpret_s64_u32, vreinterpret_u64_p8,
6327 vreinterpret_u64_p16, vreinterpret_u64_f32, vreinterpret_u64_p64,
6328 vreinterpret_u64_s64, vreinterpret_u64_s8, vreinterpret_u64_s16,
6329 vreinterpret_u64_s32, vreinterpret_u64_u8, vreinterpret_u64_u16,
6330 vreinterpret_u64_u32, vreinterpret_s8_p8, vreinterpret_s8_p16,
6331 vreinterpret_s8_f32, vreinterpret_s8_p64, vreinterpret_s8_s64,
6332 vreinterpret_s8_u64, vreinterpret_s8_s16, vreinterpret_s8_s32,
6333 vreinterpret_s8_u8, vreinterpret_s8_u16, vreinterpret_s8_u32,
6334 vreinterpret_s16_p8, vreinterpret_s16_p16, vreinterpret_s16_f32,
6335 vreinterpret_s16_p64, vreinterpret_s16_s64, vreinterpret_s16_u64,
6336 vreinterpret_s16_s8, vreinterpret_s16_s32, vreinterpret_s16_u8,
6337 vreinterpret_s16_u16, vreinterpret_s16_u32, vreinterpret_s32_p8,
6338 vreinterpret_s32_p16, vreinterpret_s32_f32, vreinterpret_s32_p64,
6339 vreinterpret_s32_s64, vreinterpret_s32_u64, vreinterpret_s32_s8,
6340 vreinterpret_s32_s16, vreinterpret_s32_u8, vreinterpret_s32_u16,
6341 vreinterpret_s32_u32, vreinterpret_u8_p8, vreinterpret_u8_p16,
6342 vreinterpret_u8_f32, vreinterpret_u8_p64, vreinterpret_u8_s64,
6343 vreinterpret_u8_u64, vreinterpret_u8_s8, vreinterpret_u8_s16,
6344 vreinterpret_u8_s32, vreinterpret_u8_u16, vreinterpret_u8_u32,
6345 vreinterpret_u16_p8, vreinterpret_u16_p16, vreinterpret_u16_f32,
6346 vreinterpret_u16_p64, vreinterpret_u16_s64, vreinterpret_u16_u64,
6347 vreinterpret_u16_s8, vreinterpret_u16_s16, vreinterpret_u16_s32,
6348 vreinterpret_u16_u8, vreinterpret_u16_u32, vreinterpret_u32_p8,
6349 vreinterpret_u32_p16, vreinterpret_u32_f32, vreinterpret_u32_p64,
6350 vreinterpret_u32_s64, vreinterpret_u32_u64, vreinterpret_u32_s8,
6351 vreinterpret_u32_s16, vreinterpret_u32_s32, vreinterpret_u32_u8,
6352 vreinterpret_u32_u16, vreinterpretq_p8_p16, vreinterpretq_p8_f32,
6353 vreinterpretq_p8_p64, vreinterpretq_p8_p128, vreinterpretq_p8_s64,
6354 vreinterpretq_p8_u64, vreinterpretq_p8_s8, vreinterpretq_p8_s16,
6355 vreinterpretq_p8_s32, vreinterpretq_p8_u8, vreinterpretq_p8_u16,
6356 vreinterpretq_p8_u32, vreinterpretq_p16_p8, vreinterpretq_p16_f32,
6357 vreinterpretq_p16_p64, vreinterpretq_p16_p128, vreinterpretq_p16_s64,
6358 vreinterpretq_p16_u64, vreinterpretq_p16_s8, vreinterpretq_p16_s16,
6359 vreinterpretq_p16_s32, vreinterpretq_p16_u8, vreinterpretq_p16_u16,
6360 vreinterpretq_p16_u32, vreinterpretq_f32_p8, vreinterpretq_f32_p16,
6361 vreinterpretq_f32_p64, vreinterpretq_f32_p128, vreinterpretq_f32_s64,
6362 vreinterpretq_f32_u64, vreinterpretq_f32_s8, vreinterpretq_f32_s16,
6363 vreinterpretq_f32_s32, vreinterpretq_f32_u8, vreinterpretq_f32_u16,
6364 vreinterpretq_f32_u32, vreinterpretq_p64_p8, vreinterpretq_p64_p16,
6365 vreinterpretq_p64_f32, vreinterpretq_p64_p128, vreinterpretq_p64_s64,
6366 vreinterpretq_p64_u64, vreinterpretq_p64_s8, vreinterpretq_p64_s16,
6367 vreinterpretq_p64_s32, vreinterpretq_p64_u8, vreinterpretq_p64_u16,
6368 vreinterpretq_p64_u32, vreinterpretq_p128_p8, vreinterpretq_p128_p16,
6369 vreinterpretq_p128_f32, vreinterpretq_p128_p64, vreinterpretq_p128_s64,
6370 vreinterpretq_p128_u64, vreinterpretq_p128_s8, vreinterpretq_p128_s16,
6371 vreinterpretq_p128_s32, vreinterpretq_p128_u8, vreinterpretq_p128_u16,
6372 vreinterpretq_p128_u32, vreinterpretq_s64_p8, vreinterpretq_s64_p16,
6373 vreinterpretq_s64_f32, vreinterpretq_s64_p64, vreinterpretq_s64_p128,
6374 vreinterpretq_s64_u64, vreinterpretq_s64_s8, vreinterpretq_s64_s16,
6375 vreinterpretq_s64_s32, vreinterpretq_s64_u8, vreinterpretq_s64_u16,
6376 vreinterpretq_s64_u32, vreinterpretq_u64_p8, vreinterpretq_u64_p16,
6377 vreinterpretq_u64_f32, vreinterpretq_u64_p64, vreinterpretq_u64_p128,
6378 vreinterpretq_u64_s64, vreinterpretq_u64_s8, vreinterpretq_u64_s16,
6379 vreinterpretq_u64_s32, vreinterpretq_u64_u8, vreinterpretq_u64_u16,
6380 vreinterpretq_u64_u32, vreinterpretq_s8_p8, vreinterpretq_s8_p16,
6381 vreinterpretq_s8_f32, vreinterpretq_s8_p64, vreinterpretq_s8_p128,
6382 vreinterpretq_s8_s64, vreinterpretq_s8_u64, vreinterpretq_s8_s16,
6383 vreinterpretq_s8_s32, vreinterpretq_s8_u8, vreinterpretq_s8_u16,
6384 vreinterpretq_s8_u32, vreinterpretq_s16_p8, vreinterpretq_s16_p16,
6385 vreinterpretq_s16_f32, vreinterpretq_s16_p64, vreinterpretq_s16_p128,
6386 vreinterpretq_s16_s64, vreinterpretq_s16_u64, vreinterpretq_s16_s8,
6387 vreinterpretq_s16_s32, vreinterpretq_s16_u8, vreinterpretq_s16_u16,
6388 vreinterpretq_s16_u32, vreinterpretq_s32_p8, vreinterpretq_s32_p16,
6389 vreinterpretq_s32_f16, vreinterpretq_s32_f32, vreinterpretq_s32_p64,
6390 vreinterpretq_s32_p128, vreinterpretq_s32_s64, vreinterpretq_s32_u64,
6391 vreinterpretq_s32_s8, vreinterpretq_s32_s16, vreinterpretq_s32_u8,
6392 vreinterpretq_s32_u16, vreinterpretq_s32_u32, vreinterpretq_u8_p8,
6393 vreinterpretq_u8_p16, vreinterpretq_u8_f32, vreinterpretq_u8_p64,
6394 vreinterpretq_u8_p128, vreinterpretq_u8_s64, vreinterpretq_u8_u64,
6395 vreinterpretq_u8_s8, vreinterpretq_u8_s16, vreinterpretq_u8_s32,
6396 vreinterpretq_u8_u16, vreinterpretq_u8_u32, vreinterpretq_u16_p8,
6397 vreinterpretq_u16_p16, vreinterpretq_u16_f32, vreinterpretq_u16_p64,
6398 vreinterpretq_u16_p128, vreinterpretq_u16_s64, vreinterpretq_u16_u64,
6399 vreinterpretq_u16_s8, vreinterpretq_u16_s16, vreinterpretq_u16_s32,
6400 vreinterpretq_u16_u8, vreinterpretq_u16_u32, vreinterpretq_u32_p8,
6401 vreinterpretq_u32_p16, vreinterpretq_u32_f32, vreinterpretq_u32_p64,
6402 vreinterpretq_u32_p128, vreinterpretq_u32_s64, vreinterpretq_u32_u64,
6403 vreinterpretq_u32_s8, vreinterpretq_u32_s16, vreinterpretq_u32_s32,
6404 vreinterpretq_u32_u8, vreinterpretq_u32_u16): Rewrite using casts.
6406 2016-02-04 Martin Liska <mliska@suse.cz>
6409 * asan.c (has_stmt_been_instrumented_p): Instrument gimple calls
6410 that are gimple_store_p.
6411 (maybe_instrument_call): Likewise.
6413 2016-02-04 Bin Cheng <bin.cheng@arm.com>
6415 * config/aarch64/aarch64.c (aarch64_legitimize_address): Force
6416 register scaling out of memory reference and comment why.
6418 2016-02-04 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
6422 * cse.c (cse_insn): Pass NULL to fold_rtx when initially
6423 folding the source of a SET.
6425 2016-02-04 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
6429 * config/arm/arm.c (arm_new_rtx_costs, MULT case): Properly extract
6430 the operands of the SIGN_EXTENDs from a SMUL[TB][TB] rtx.
6432 2016-02-04 Jim Wilson <jim.wilson@linaro.org>
6436 * config/arm/arm.h (PROMOTE_MODE): Don't set UNSIGNEDP for QImode and
6439 2016-02-04 Christian Bruel <christian.bruel@st.com>
6441 * config/arm/arm-c.c (arm_reset_previous_fndecl): Style fix and typo.
6442 * config/arm/arm.c (arm_set_current_function): Likewise.
6444 2016-02-04 Jakub Jelinek <jakub@redhat.com>
6445 Ilya Enkovich <enkovich.gnu@gmail.com>
6446 H.J. Lu <hongjiu.lu@intel.com>
6449 * config/i386/i386.c (convert_scalars_to_vector): Remove
6450 stack alignment fixes.
6451 (ix86_option_override_internal): Disable TARGET_STV if stack
6452 might not be aligned enough.
6453 (ix86_minimum_alignment): Assert that TARGET_STV is false.
6455 2016-02-04 Victoria Stepanyan <victoria.stepanyan@amd.com>
6457 * gcc/config/i386/x86-tune.def: Disable default prefetching
6460 2016-02-03 Michael Meissner <meissner@linux.vnet.ibm.com>
6461 Vladimir Makarov <vmakarov@redhat.com>
6464 * config/rs6000/rs6000.c (rs6000_legitimate_address_p): Fix thinko
6465 in validating fused toc addresses.
6467 2016-02-03 Jakub Jelinek <jakub@redhat.com>
6470 * diagnostic-show-locus.c (layout::get_state_at_point): Don't read
6471 range->m_caret fields if range->m_show_caret_p is false.
6474 * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap):
6475 Force oldval into register if it does not satisfy reg_or_short_operand
6476 predicate. Fix up formatting.
6478 2016-02-03 Vladimir Makarov <vmakarov@redhat.com>
6479 Alexandre Oliva <aoliva@redhat.com>
6482 * lra-constraints.c (simplify_operand_subreg): Check additionally
6483 address validity after potential reloading.
6484 (process_address_1): Check insns validity. In case of failure do
6487 2016-02-03 Kirill Yukhin <kirill.yukhin@intel.com>
6490 * config/i386/sse.md (define_insn "avx512f_maskcmp<mode>3"):
6493 2016-02-02 Jakub Jelinek <jakub@redhat.com>
6495 * wide-int.cc (canonize_uhwi): New function.
6496 (wi::divmod_internal): Use it.
6498 2016-02-02 James Norris <jnorris@codesourcery.com
6500 * gimplify.c (omp_notice_variable): Add usage check.
6502 2016-02-02 Alexander Monakov <amonakov@ispras.ru>
6504 * config/nvptx/nvptx.c (nvptx_print_operand): Treat LEU, GEU, LTU, GTU
6505 like LE, GE, LT, GT when emitting relational operator.
6507 2016-02-02 Wilco Dijkstra <wdijkstr@arm.com>
6509 * ira-costs.c (find_costs_and_classes): Add extra argument.
6510 * target.def (ira_change_pseudo_allocno_class): Add parameter.
6511 * targhooks.h (ira_change_pseudo_allocno_class): Likewise.
6512 * targhooks.c (ira_change_pseudo_allocno_class): Likewise.
6513 * config/aarch64/aarch64.c (aarch64_ira_change_pseudo_allocno_class)
6514 Add best_class parameter, and return it if not ALL_REGS.
6515 * config/mips/mips.c (mips_ira_change_pseudo_allocno_class):
6517 * doc/tm.texi (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS):
6520 2016-02-02 Wilco Dijkstra <wdijkstr@arm.com>
6522 * config/aarch64/aarch64.c
6523 (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS): New define.
6524 (aarch64_ira_change_pseudo_allocno_class): New function.
6526 2016-02-02 Uros Bizjak <ubizjak@gmail.com>
6529 * config/i386/i386.c (geode_cost): Increase cost of MMX and SSE moves.
6531 2016-02-02 Senthil Kumar Selvaraj <senthil_kumar.selvaraj@atmel.com>
6533 * config/avr/avr.c (avr_option_override): Set
6534 PARAM_ALLOW_STORE_DATA_RACES to 1.
6536 2016-02-02 Richard Biener <rguenther@suse.de>
6538 PR tree-optimization/69595
6539 * match.pd: Add range test simplifications to true/false.
6541 2016-02-02 Thomas Schwinge <thomas@codesourcery.com>
6543 * omp-builtins.def (BUILT_IN_GOACC_HOST_DATA): Remove.
6544 * omp-low.c (expand_omp_target): Use BUILT_IN_GOACC_DATA_START
6547 2016-02-02 Richard Biener <rguenther@suse.de>
6549 PR tree-optimization/69606
6550 * tree-ssa-math-opts.c (bswap_replace): Clear flow sensitive
6551 info on the result before moving a stmt.
6553 2016-02-02 Yuri Rumyantsev <ysrumyan@gmail.com>
6556 * config/i386/i386.c (ix86_expand_branch): Add support for conditional
6557 branch with vector comparison.
6558 * config/i386/sse.md (VI48_AVX): New mode iterator.
6559 (define_expand "cbranch<mode>4): Add support for conditional branch
6560 with vector comparison.
6561 * tree-vect-loop.c (optimize_mask_stores): New function.
6562 * tree-vect-stmts.c (vectorizable_mask_load_store): Initialize
6563 has_mask_store field of vect_info.
6564 * tree-vectorizer.c (vectorize_loops): Invoke optimaze_mask_stores for
6565 vectorized loops having masked stores after vec_info destroy.
6566 * tree-vectorizer.h (loop_vec_info): Add new has_mask_store field and
6567 correspondent macros.
6568 (optimize_mask_stores): Add prototype.
6570 2016-02-02 Alan Modra <amodra@gmail.com>
6573 * config/rs6000/predicates.md (quad_int_reg_operand): Don't
6576 2016-02-02 Alan Modra <amodra@gmail.com>
6579 * config/rs6000/rs6000.c (need_toc_init): New var, set it
6580 whenever toc_label_name used.
6581 (rs6000_file_start): Don't set up toc section here,
6582 (rs6000_output_function_epilogue): do so here instead,
6583 (rs6000_xcoff_file_start): and here.
6584 * config/rs6000/rs6000.md (load_toc_aix_si): Set need_toc_init.
6585 (load_toc_aix_di): Likewise.
6587 2016-02-01 Jakub Jelinek <jakub@redhat.com>
6589 PR rtl-optimization/69592
6590 * rtlanal.c (nonzero_bits_binary_arith_p): New inline function.
6591 (cached_nonzero_bits): Use it instead of ARITHMETIC_P.
6592 (num_sign_bit_copies_binary_arith_p): New inline function.
6593 (cached_num_sign_bit_copies): Use it instead of ARITHMETIC_P.
6595 2016-02-01 Jeff Law <law@redhat.com>
6597 PR tree-optimization/69580
6598 * params.def (FSM_MAXIMUM_PHI_ARGUMENTS): New param.
6599 * tree-ssa-threadbackward.c
6600 (fsm_find_control_statement_thread_paths): Do not try to walk
6601 through large PHI nodes.
6603 2016-02-01 Jakub Jelinek <jakub@redhat.com>
6605 * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Return false
6606 when count is incremented above limit, don't analyze further
6609 * omp-low.c (oacc_parse_default_dims): Avoid
6610 -Wsign-compare warning, make sure value fits into int
6611 rather than just unsigned int.
6613 2016-02-01 Bin Cheng <bin.cheng@arm.com>
6615 PR tree-optimization/67921
6616 * fold-const.c (split_tree): New parameters. Convert pointer
6617 type variable part to proper type before negating.
6618 (fold_binary_loc): Pass new arguments to split_tree.
6620 2016-02-01 Nathan Sidwell <nathan@codesourcery.com>
6622 * config/nvptx/nvptx.c (PTX_GANG_DEFAULT): New.
6623 (nvptx_goacc_validate_dims): Extend to handle global defaults.
6624 * target.def (OACC_VALIDATE_DIMS): Extend documentation.
6625 * doc/tm.texti: Rebuilt.
6626 * doc/invoke.texi (fopenacc-dim): Document.
6627 * lto-wrapper.c (merge_and_complain): Add OPT_fopenacc_dim_ case.
6628 (append_compiler_options): Likewise.
6629 * omp-low.c (oacc_default_dims, oacc_min_dims): New.
6630 (oacc_parse_default_dims): New.
6631 (oacc_validate_dims): Add USED arg. Select non-unity default when
6633 (oacc_loop_fixed_partitions): Return mask of used partitions.
6634 (oacc_loop_auto_partitions): Emit dump info.
6635 (oacc_loop_partition): Return mask of used partitions.
6636 (execute_oacc_device_lower): Parse default dimension arg. Adjust
6637 loop partitioning and validation calls.
6639 2016-02-01 Richard Biener <rguenther@suse.de>
6642 * match.pd: Guard (C1/X)*C2 -> (C1*C2)/X with single_use.
6644 2016-02-01 Richard Biener <rguenther@suse.de>
6646 PR tree-optimization/69574
6647 * tree-chrec.c (hide_evolution_in_other_loops_than_loop): Instead
6648 of asserting return chrec_dont_know.
6650 2016-02-01 Martin Liska <mliska@suse.cz>
6652 * mem-stats-traits.h: Add copyright header.
6653 * mem-stats.h: Likewise.
6655 2016-02-01 Richard Biener <rguenther@suse.de>
6657 PR tree-optimization/69579
6658 * tree-ssa-loop-ivcanon.c (propagate_constants_for_unrolling):
6659 Do not propagate through abnormal PHI results.
6661 2016-02-01 Eric Botcazou <ebotcazou@adacore.com>
6663 * postreload.c (reload_cse_simplify): Remove dead code.
6665 2016-02-01 Jakub Jelinek <jakub@redhat.com>
6667 PR rtl-optimization/69570
6668 * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Return true only
6669 if there is more than one set, not if there is a single set.
6671 2016-02-01 Richard Henderson <rth@redhat.com>
6674 * combine.c (make_compound_operation): When looking through a
6675 subreg, make sure to re-extend to the width of the outer mode.
6677 2016-01-30 Jakub Jelinek <jakub@redhat.com>
6679 PR tree-optimization/69546
6680 * wide-int.cc (wi::divmod_internal): For unsigned division
6681 where both operands fit into uhwi, if o1 is 1 and o0 has
6682 msb set, if divident_prec is larger than bits per hwi,
6683 clear another quotient word and return 2 instead of 1.
6684 Similarly for remainder with msb in HWI set, if dividend_prec
6685 is larger than bits per hwi.
6687 2016-01-29 Martin Jambor <mjambor@suse.cz>
6689 * hsa-gen.c (get_memory_order_name): Mask with MEMMODEL_BASE_MASK.
6690 Use short lowercase names.
6691 (get_memory_order): Mask with MEMMODEL_BASE_MASK. Support
6692 MEMMODEL_CONSUME with acquire semantics and MEMMODEL_SEQ_CST with
6693 acq_rel one. Protect warning agains segfaults if
6694 get_memory_order_name returns NULL.
6695 (gen_hsa_ternary_atomic_for_builtin): Support with MEMMODEL_SEQ_CST
6696 with release semantics. Do not warn if get_memory_order already did.
6697 (gen_hsa_insns_for_call): Support with MEMMODEL_SEQ_CST with acquire
6698 semantics. Fix check for relaxed or acquire semantics. Do not warn
6699 if get_memory_order already did.
6701 2016-01-29 Sebastian Pop <s.pop@samsung.com>
6703 * doc/install.texi: Document that isl-0.16 is supported.
6705 2016-01-29 Vladimir Makarov <vmakarov@redhat.com>
6708 * config/i386/constraints.md (Bm): Describe as special memory
6710 * doc/md.texi (DEFINE_SPECIAL_MEMORY_CONSTRAINT): Describe it.
6711 * genoutput.c (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
6712 * genpreds.c (struct constraint_data): Add is_special_memory.
6713 (have_special_memory_constraints, special_memory_start): New
6715 (special_memory_end): Ditto.
6716 (add_constraint): Add new arg is_special_memory. Add code to
6717 process its true value. Update have_special_memory_constraints.
6718 (process_define_constraint): Pass the new arg.
6719 (process_define_register_constraint): Ditto.
6720 (choose_enum_order): Process special memory.
6721 (write_tm_preds_h): Generate enum const CT_SPECIAL_MEMORY and
6722 function insn_extra_special_memory_constraint.
6723 (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
6724 * gensupport.c (process_rtx): Process
6725 DEFINE_SPECIAL_MEMORY_CONSTRAINT.
6726 * ira-costs.c (record_reg_classes): Process CT_SPECIAL_MEMORY.
6727 * ira-lives.c (single_reg_class): Use
6728 insn_extra_special_memory_constraint.
6729 * ira.c (ira_setup_alts): Process CT_SPECIAL_MEMORY.
6730 * lra-constraints.c (process_alt_operands): Ditto.
6731 (curr_insn_transform): Use insn_extra_special_memory_constraint.
6732 * recog.c (asm_operand_ok, preprocess_constraints): Process
6734 * reload.c (find_reloads): Ditto.
6735 * rtl.def (DEFINE_SPECIFAL_MEMORY_CONSTRAINT): New.
6736 * stmt.c (parse_input_constraint): Use
6737 insn_extra_special_memory_constraint.
6739 2016-01-29 H.J. Lu <hongjiu.lu@intel.com>
6742 * lra-splill.c (lra_final_code_change): Revert r229087 by
6743 removing all sub-registers.
6745 2016-01-29 Steve Ellcey <sellcey@imgtec.com>
6748 * config/mips/mips.c (mips_output_division): Check flag_delayed_branch.
6750 2016-01-29 Jakub Jelinek <jakub@redhat.com>
6753 * config/i386/i386.c (ix86_expand_vector_set) <case V4SImode>: For
6754 SSE1, copy target into the temporary reg first before recursing
6757 2016-01-29 H.J. Lu <hongjiu.lu@intel.com>
6759 * config/i386/sse.md (sse2_cvtps2pd<mask_name>): Replace vBm
6762 2016-01-29 Jonathan Wakely <jwakely@redhat.com>
6764 * ginclude/stdarg.h: Test __cplusplus instead of
6765 __GXX_EXPERIMENTAL_CXX0X__.
6767 2016-01-29 Richard Biener <rguenther@suse.de>
6769 PR tree-optimization/69547
6770 * tree-ssa-dce.c (mark_aliased_reaching_defs_necessary_1):
6771 Do not mark clobbers necessary.
6772 (mark_all_reaching_defs_necessary_1): Likewise.
6774 2016-01-29 Dominik Vogt <vogt@linux.vnet.ibm.com>
6776 * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Format
6777 declaration name with %qs and print it in both error messages.
6778 Also fix indentation.
6780 2016-01-29 Dominik Vogt <vogt@linux.vnet.ibm.com>
6783 * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Remove
6784 trailing blank line from error message.
6786 2016-01-29 Jonathan Wakely <jwakely@redhat.com>
6789 * ginclude/float.h: Also provide FLT_EVAL_METHOD and DECIMAL_DIG
6792 2016-01-29 Richard Biener <rguenther@suse.de>
6795 * match.pd: Allow all integral types when simplifying a
6796 widening or sign-changing conversion.
6798 2016-01-28 Sebastian Pop <s.pop@samsung.com>
6800 * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Revert assert
6801 back to setting codegen_error to fail codegen.
6803 2016-01-28 Uros Bizjak <ubizjak@gmail.com>
6806 * config/i386/constraints.md (C): Only accept constant zero operand.
6807 (BC): New constraint.
6808 * config/i386/sse.md (*mov<mode>_internal): Use BC constraint
6809 instead of C constraint.
6810 * doc/md.texi (Machine Constraints): Update description
6813 2016-01-28 Steve Ellcey <sellcey@imgtec.com>
6816 * config/mips/mips.c (and_operands_ok): Add MIPS16 check.
6818 2016-01-28 Jakub Jelinek <jakub@redhat.com>
6821 * lra-remat.c (calculate_local_reg_remat_bb_data): Only consider
6824 2016-01-28 Pat Haugen <pthaugen@us.ibm.com>
6826 * config/rs6000/rs6000.c (output_cbranch): Don't statically predict
6827 branches if using guessed profile.
6829 2016-01-28 H.J. Lu <hongjiu.lu@intel.com>
6831 * graphite-optimize-isl.c (optimize_isl): Fix dump.
6833 2016-01-28 Richard Henderson <rth@redhat.com>
6836 * config/aarch64/aarch64-modes.def (CC_Cmode): New
6837 * config/aarch64/aarch64-protos.h: Update.
6838 * config/aarch64/aarch64.c (aarch64_zero_extend_const_eq): New.
6839 (aarch64_select_cc_mode): Add check for use of CC_Cmode.
6840 (aarch64_get_condition_code_1): Handle CC_Cmode.
6841 * config/aarch64/aarch64.md (addti3): Use adddi3_compareC.
6842 (*add<mode>3_compareC_cconly_imm): New.
6843 (*add<mode>3_compareC_cconly): New.
6844 (*add<mode>3_compareC_imm): New.
6845 (add<mode>3_compareC): New.
6846 (add<mode>3_carryin, *addsi3_carryin_uxtw): Sort compare operand
6847 to be first. Use aarch64_carry_operation.
6848 (*add<mode>3_carryin_alt1, *addsi3_carryin_alt1_uxtw): Remove.
6849 (*add<mode>3_carryin_alt2, *addsi3_carryin_alt2_uxtw): Remove.
6850 (*add<mode>3_carryin_alt3, *addsi3_carryin_alt3_uxtw): Remove.
6851 (subti3): Use subdi3_compare1.
6852 (*sub<mode>3_compare0): Rename from sub<mode>3_compare0.
6853 (sub<mode>3_compare1): New.
6854 (*sub<mode>3_carryin0, *subsi3_carryin_uxtw): New.
6855 (*sub<mode>3_carryin): Use aarch64_borrow_operation.
6856 (*subsi3_carryin_uxtw): Likewise.
6857 (*ngc<mode>, *ngcsi_uxtw): Likewise.
6858 (*sub<mode>3_carryin_alt, *subsi3_carryin_alt_uxtw): New.
6859 * config/aarch64/iterators.md (DWI): New.
6860 * config/aarch64/predicates.md (aarch64_carry_operation): New.
6861 (aarch64_borrow_operation): New.
6863 2016-01-28 Abderrazek Zaafrani <a.zaafrani@samsung.com>
6865 * graphite-optimize-isl.c (optimize_isl): Print a different debug
6866 message when isl does not return a valid schedule.
6868 2016-01-28 Sebastian Pop <s.pop@samsung.com>
6870 * graphite-isl-ast-to-gimple.c (class translate_isl_ast_to_gimple):
6871 Remove comments from class declarations: they are already in the code
6874 2016-01-28 Sebastian Pop <s.pop@samsung.com>
6876 * graphite-isl-ast-to-gimple.c (binary_op_to_tree): Call
6878 (ternary_op_to_tree): Same.
6879 (unary_op_to_tree): Same.
6880 (nary_op_to_tree): Same.
6881 (gcc_expression_from_isl_expr_op): Same.
6882 (gcc_expression_from_isl_expression): Same.
6883 (graphite_create_new_loop): Same.
6884 (graphite_create_new_loop_guard): Same.
6885 (build_iv_mapping): Same.
6886 (graphite_create_new_guard): Same.
6887 (translate_isl_ast_to_gimple::copy_loop_phi_nodes): Same.
6888 (translate_isl_ast_to_gimple::translate_pending_phi_nodes): Same.
6890 2016-01-28 Sebastian Pop <s.pop@samsung.com>
6892 * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Assert
6893 instead of setting codegen_error to fail codegen.
6895 2016-01-28 Jason Merrill <jason@redhat.com>
6897 * tree.h (BINFO_FLAG_0): Rename from BINFO_MARKED.
6899 2016-01-28 Wilco Dijkstra <wdijkstr@arm.com>
6901 * config/aarch64/aarch64.c (aarch64_if_then_else_costs):
6902 Remove CONST_INT_P check in CCMP cost calculation.
6904 2016-01-28 Wilco Dijkstra <wdijkstr@arm.com>
6906 * config/aarch64/aarch64.c (generic_vector_cost):
6907 Set vec_permute_cost.
6908 (cortexa57_vector_cost): Likewise.
6909 (exynosm1_vector_cost): Likewise.
6910 (xgene1_vector_cost): Likewise.
6911 (aarch64_builtin_vectorization_cost): Use vec_permute_cost.
6912 * config/aarch64/aarch64-protos.h (cpu_vector_cost):
6913 Add vec_permute_cost entry.
6915 2016-01-28 Wilco Dijkstra <wdijkstr@arm.com>
6917 * config/aarch64/aarch64.md (ccmp<mode>): Disassemble
6919 (add<mode>3_compare0): Likewise.
6920 (addsi3_compare0_uxtw): Likewise.
6921 (add<mode>3nr_compare0): Likewise.
6922 (compare_neg<mode>): Likewise.
6923 (<optab><mode>3): Likewise.
6925 2016-01-28 Ilya Enkovich <enkovich.gnu@gmail.com>
6927 * tree-vect-stmts.c (vectorizable_comparison): Add
6928 NULL check for vectype.
6930 2016-01-28 Richard Biener <rguenther@suse.de>
6932 PR tree-optimization/69466
6933 * tree-vect-loop-manip.c (slpeel_duplicate_current_defs_from_edges):
6934 Account for PHIs we couldn't duplicate.
6936 2016-01-28 Martin Liska <mliska@suse.cz>
6939 * ggc-common.c (gt_pch_save): Use ENABLE_VALGRIND_ANNOTATIONS macro
6940 instead of ENABLE_VALGRIND_CHECKING.
6942 2016-01-27 Richard Henderson <rth@redhat.com>
6945 * lra-remat.c (subreg_regs): New.
6946 (dump_candidates_and_remat_bb_data): Dump it.
6947 (operand_to_remat): Reject if operand in subreg_regs.
6948 (set_bb_regs): Collect subreg_regs.
6949 (lra_remat): Init and free subreg_regs. Compute
6950 calculate_local_reg_remat_bb_data before create_cands.
6952 2016-01-27 H.J. Lu <hongjiu.lu@intel.com>
6955 * config/i386/i386.c (ix86_update_stack_boundary): Don't
6956 change stack_alignment_needed for __tls_get_addr call.
6958 2016-01-27 Segher Boessenkool <segher@kernel.crashing.org>
6960 * config/rs6000/rs6000.c (print_operand): Rollback 's' removal.
6962 2016-01-27 Jeff Law <law@redhat.com>
6964 PR tree-optimization/68398
6965 PR tree-optimization/69196
6966 * params.def (PARAM_FSM_SCALE_PATH_STMTS): New parameter.
6967 (PARAM_FSM_SCALE_PATH_BLOCKS): Likewise.
6968 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
6969 Only count PHIs in the last block in the path. The others will
6970 const/copy propagate away. Add heuristic to allow more irreducible
6971 subloops to be created when it is likely profitable to do so.
6973 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
6974 Fix typo in comment. Use gsi_after_labels and remove the GIMPLE_LABEL
6975 check from within the loop. Use gsi_next_nondebug rather than gsi_next.
6977 2016-01-27 Jakub Jelinek <jakub@redhat.com>
6980 * sanitizer.def: Add BEGIN_SANITIZER_BUILTINS and
6981 END_SANITIZER_BUILTINS markers using DEF_BUILTIN_STUB.
6982 * asan.c (DEF_BUILTIN_STUB): Temporarily define.
6983 * tree-streamer-in.c: Include asan.h.
6984 (streamer_get_builtin_tree): For builtins in sanitizer
6985 range call initialize_sanitizer_builtins and retry.
6987 2016-01-27 Ian Lance Taylor <iant@google.com>
6989 * common.opt (fkeep-gc-roots-live): New undocumented option.
6990 * tree-ssa-loop-ivopts.c (add_candidate_1): If
6991 -fkeep-gc-roots-live, skip pointers.
6992 (add_iv_candidate_for_biv): Handle add_candidate_1 returning
6995 2016-01-27 Uros Bizjak <ubizjak@gmail.com>
6998 * config/i386/i386.md (*zext<mode>_doubleword_and): New pattern.
6999 (*zext<mode>_doubleword): Disable for TARGET_ZERO_EXTEND_WITH_AND.
7001 2016-01-27 Thomas Klausner <wiz@NetBSD.org>
7004 * configure.ac: NetBSD provides SSP in its C library.
7005 * configure: Updated.
7007 2016-01-27 Richard Biener <rguenther@suse.de>
7009 PR tree-optimization/69166
7010 * tree-vect-loop.c (vect_is_simple_reduction): Always check
7011 reduction code for commutativity / associativity.
7013 2016-01-27 Martin Jambor <mjambor@suse.cz>
7015 PR tree-optimization/69355
7016 * tree-sra.c (analyze_access_subtree): Correct hole detection when
7017 total_scalarization fails.
7019 2016-01-27 David Edelsohn <dje.gcc@gmail.com>
7021 * config/rs6000/driver-rs6000.c (detect_processor_aix): Add
7024 2016-01-27 Christian Bruel <christian.bruel@st.com>
7027 * config/arm/arm-c.c (arm_pragma_target_parse): Add comments.
7028 Move arm_reset_previous_fndecl and set_target_option_current_node in
7029 the conditional part. Call save_restore_target_globals.
7030 * config/arm/arm.c (arm_set_current_function):
7031 Refactor to better support #pragma target and attribute mix.
7032 Call save_restore_target_globals.
7033 * config/arm/arm-protos.h (save_restore_target_globals): New function.
7035 2016-01-27 Martin Liska <mliska@suse.cz>
7037 * hsa.c (hsa_summary_t::link_functions): Create IPA_REF_ADDR
7038 reference for an HSA kernel and its host function.
7040 2016-01-27 Jakub Jelinek <jakub@redhat.com>
7042 PR tree-optimization/69399
7043 * wide-int.h (wi::lrshift): For larger precisions, only
7044 use fast path if shift is known to be < HOST_BITS_PER_WIDE_INT.
7046 2016-01-27 Claudiu Zissulescu <claziss@synopsys.com>
7048 * config/arc/predicates.md (proper_comparison_operator): Reject
7049 constant-constant comparison.
7051 2016-01-26 Tom de Vries <tom@codesourcery.com>
7053 PR tree-optimization/69110
7054 * tree-data-ref.c (initialize_data_dependence_relation): Handle
7055 DR_NUM_DIMENSIONS == 0.
7057 2016-01-26 Abderrazek Zaafrani <a.zaafrani@samsung.com>
7058 Sebastian Pop <s.pop@samsung.com>
7060 * graphite-isl-ast-to-gimple.c (ternary_op_to_tree): Handle
7061 isl_ast_op_cond and isl_ast_op_select.
7062 (gcc_expression_from_isl_expr_op): Same.
7064 2016-01-26 Jason Merrill <jason@redhat.com>
7067 * tree.c (recompute_constructor_flags): Split out from
7069 (verify_constructor_flags): New.
7070 * tree.h: Declare them.
7072 2016-01-26 Iain Buclaw <ibuclaw@gdcproject.org>
7074 PR rtl-optimization/69217
7075 * var-tracking.c (tracked_record_parameter_p): Don't segfault if there
7076 are no TYPE_FIELDS set for the record type.
7078 2016-01-26 Jakub Jelinek <jakub@redhat.com>
7081 * config/rs6000/rs6000.c (rs6000_option_override_internal): Initialize
7082 toc_label_name unconditionally.
7083 (rs6000_emit_load_toc_table): Call ggc_strdup on toc_label_name for
7084 SYMBOL_REF string. Use toc_label_name instead of constructing
7086 (rs6000_elf_declare_function_name): Use toc_label_name instead of
7087 constructing LCTOC1.
7089 2016-01-26 Martin Sebor <msebor@redhat.com>
7092 * doc/extend.texi (Common Type Attributes): Move text that talks about
7093 attribute packed from attribute aligned to the section discussing
7094 the former attribute for clarity.
7096 2016-01-26 Richard Henderson <rth@redhat.com>
7099 * trans-mem.c (tm_region_init): Mark entry block as visited.
7101 2016-01-26 David Malcolm <dmalcolm@redhat.com>
7104 * diagnostic-show-locus.c (layout::print_source_line): Replace
7105 call to pp_newline with call to layout::print_newline.
7106 (layout::print_annotation_line): Likewise.
7107 (layout::move_to_column): Likewise.
7108 (layout::print_any_fixits): After printing any fixits, print a
7109 trailing newline, if necessary.
7110 (layout::print_newline): New method, resetting any colorization
7112 (diagnostic_show_locus): Move the pp_newline to before the
7113 early bailout. Remove dummy block enclosing the layout instance.
7114 * diagnostic.c (default_diagnostic_finalizer): Replace invocation
7115 of pp_newline_and_flush with pp_flush.
7116 (diagnostic_append_note): Delete use of pp_newline.
7117 (diagnostic_append_note_at_rich_loc): Delete.
7118 * diagnostic.h (diagnostic_append_note_at_rich_loc): Delete.
7119 * pretty-print.h (output_buffer_append_r): Reset buff->line_length
7120 when newline characters are added to the buffer.
7122 2016-01-26 Michael Matz <matz@suse.de>
7124 * configure.ac (ac_cv_std_swap_in_utility): New test.
7125 * system.h (<algorithm>): Check HAVE_SWAP_IN_UTILITY as well.
7126 * configure: Regenerate.
7127 * config.in: Regenerate.
7129 2016-01-26 Claudiu Zissulescu <claziss@synopsys.com>
7131 * config/arc/arc.md (cstoresi4): Force operand into register.
7132 (arcset<code>): Fix predicate.
7133 (arcsetltu): Likewise.
7134 (arcsetgeu): Likewise.
7135 (arcsethi): Likewise.
7136 (arcsetls): Likewise.
7138 2016-01-26 Jakub Jelinek <jakub@redhat.com>
7140 PR tree-optimization/69483
7141 * gimple-fold.c (canonicalize_constructor_val): Return NULL
7142 if base has error_mark_node type.
7144 2016-01-26 Christophe Lyon <christophe.lyon@linaro.org>
7147 * config/arm/arm.c (neon_valid_immediate): Handle FP16 vectors.
7148 * config/arm/arm_neon.h (__ARM_NUM_LANES, __arm_lane, arm_lanq):
7150 (vget_lane_f16): Handle big-endian.
7151 (vgetq_lane_f16): Likewise.
7152 (vset_lane_f16): Likewise.
7153 (vsetq_lane_f16): Likewise.
7154 * config/arm/iterators.md (VQXMOV): Add V8HF.
7155 (VDQ): Add V4HF and V8HF.
7156 (V_reg): Handle V4HF and V8HF.
7157 (Is_float_mode): Likewise.
7158 * config/arm/neon.md (movv4hf, movv8hf, neon_vdup_nv4hf,
7159 neon_vdup_nv8hf): New patterns.
7160 (vec_set<mode>_internal, vec_extract<mode>, neon_vld1_dup<mode>):
7161 Use VD_LANE iterator.
7162 (neon_vld1_dup<mode>): Use VQ2 iterator.
7164 2016-01-26 Nathan Sidwell <nathan@acm.org>
7166 * omp-low.h (oacc_fn_attrib_kernels_p): Declare.
7167 (set_oacc_fn_attrib): Add IS_KERNEL arg.
7168 * omp-low.c (set_oacc_fn_attrib): Add IS_KERNEL arg.
7169 (oacc_fn_attrib_kernels_p, oacc_fn_attrib_level): New.
7170 (expand_omp_target): Pass is_kernel to set_oacc_fn_attrib.
7171 (oacc_validate_dims): Add LEVEL arg, don't return level.
7172 (new_oacc_loop_routine): Use oacc_fn_attrib_level, not
7174 (execute_oacc_device_lower): Adjust, add more dump output.
7175 * tree-ssa-loop.c (gate_oacc_kernels): Use
7176 oacc_fn_attrib_kernels_p.
7177 * tree-parloops.c (create_parallel_loop): Adjust
7178 set_oacc_fn_attrib call.
7180 2016-01-26 Jakub Jelinek <jakub@redhat.com>
7183 * lto-wrapper.c (merge_and_complain): Handle -fcilkplus.
7184 (append_compiler_options): Handle -fcilkplus.
7185 (append_linker_options): Ignore -fno-{openmp,openacc,cilkplus}.
7187 2016-01-26 Nick Clifton <nickc@redhat.com>
7190 * config/i386/winnt.c (i386_pe_binds_local_p): If a function has
7191 been marked as DECL_ONE_ONLY but we do not the means to make it
7192 so, then do not allow it to bind locally.
7194 2016-01-26 Jakub Jelinek <jakub@redhat.com>
7197 * opts.h (parse_sanitizer_options): New prototype.
7198 * opts.c (sanitizer_opts): New array.
7199 (parse_sanitizer_options): New function.
7200 (common_handle_option): Use parse_sanitizer_options.
7202 2016-01-26 H.J. Lu <hongjiu.lu@intel.com>
7205 * config/i386/i386.c (ix86_compute_frame_layout): Move stack
7206 alignment adjustment to ...
7207 (ix86_update_stack_boundary): Here. Don't over-align stack for
7209 (ix86_finalize_stack_realign_flags): Use stack_alignment_needed
7210 if __tls_get_addr is called.
7212 2016-01-26 Christian Bruel <christian.bruel@st.com>
7214 * doc/sourcebuild.texi (arm_crypto_pragma_ok): Remove.
7216 2016-01-26 Eric Botcazou <ebotcazou@adacore.com>
7218 * config/ia64/ia64.c (ia64_expand_vecint_compare): Use gen_int_mode.
7220 2016-01-26 Richard Biener <rguenther@suse.de>
7223 * match.pd: Guard X * CST CMP 0 pattern with single_use.
7225 2016-01-26 Richard Biener <rguenther@suse.de>
7227 PR tree-optimization/69452
7228 * tree-ssa-loop-im.c (move_computations_dom_walker): Remove.
7229 (move_computations_dom_walker::before_dom_children): Rename
7231 (move_computations_worker): This.
7232 (move_computations): Perform an RPO rather than a DOM walk.
7234 2016-01-26 Jakub Jelinek <jakub@redhat.com>
7237 * combine.c (combine_instructions): For REG_EQUAL note with
7238 SET_DEST being ZERO_EXTRACT, also temporarily set SET_DEST
7239 to the underlying register.
7240 * doc/rtl.texi (REG_EQUAL): Document the behavior of
7241 REG_EQUAL/REG_EQUIV notes if SET_DEST is ZERO_EXTRACT.
7243 2016-01-26 Roger Ferrer Ibáñez <rofirrim@gmail.com>
7246 * config/aarch64/aarch64-builtins.c
7247 (aarch64_init_simd_builtin_types): Do not set structural
7248 equality to __Poly{8,16,64,128}_t types.
7250 2016-01-26 Richard Sandiford <richard.sandiford@arm.com>
7252 PR tree-optimization/69400
7253 * wide-int.cc (wi_pack): Take the precision as argument and
7254 perform canonicalization here rather than in the callers.
7255 Use the main loop to handle all full-width HWIs. Add a
7256 zero HWI if in_len isn't a full result.
7257 (wi::divmod_internal): Update accordingly.
7258 (wi::mul_internal): Likewise. Simplify.
7260 2016-01-25 Aditya Kumar <aditya.k7@samsung.com>
7261 Sebastian Pop <s.pop@samsung.com>
7263 * graphite-poly.c (apply_poly_transforms): Simplify.
7264 (print_isl_set): Use more readable format: ISL_YAML_STYLE_BLOCK.
7265 (print_isl_map): Same.
7266 (print_isl_union_map): Same.
7267 (print_isl_schedule): New.
7268 (debug_isl_schedule): New.
7269 * graphite-dependences.c (scop_get_reads): Do not call
7270 isl_union_map_add_map that is undocumented isl functionality.
7271 (scop_get_must_writes): Same.
7272 (scop_get_may_writes): Same.
7273 (scop_get_original_schedule): Remove.
7274 (scop_get_dependences): Do not call isl_union_map_compute_flow that
7275 is deprecated in isl 0.15. Instead, use isl_union_access_* interface.
7276 (compute_deps): Remove.
7277 * graphite-isl-ast-to-gimple.c (print_schedule_ast): New.
7278 (debug_schedule_ast): New.
7279 (translate_isl_ast_to_gimple::scop_to_isl_ast): Call
7280 set_separate_option.
7281 (graphite_regenerate_ast_isl): Add dump.
7282 (translate_isl_ast_to_gimple::scop_to_isl_ast): Generate code
7283 from scop->transformed_schedule.
7284 (graphite_regenerate_ast_isl): Add more dump.
7285 * graphite-optimize-isl.c (optimize_isl): Set
7286 scop->transformed_schedule. Check whether schedules are equal.
7287 (apply_poly_transforms): Move here.
7288 * graphite-poly.c (apply_poly_transforms): ... from here.
7289 (free_poly_bb): Static.
7290 (free_scop): Static.
7291 (pbb_number_of_iterations_at_time): Remove.
7292 (print_isl_ast): New.
7293 (debug_isl_ast): New.
7294 (debug_scop_pbb): New.
7295 * graphite-scop-detection.c (print_edge): Move.
7297 * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Remove.
7298 (build_scop_scattering): Remove.
7299 (create_pw_aff_from_tree): Assert instead of bailing out.
7300 (add_condition_to_pbb): Remove unused code, do not fail.
7301 (add_conditions_to_domain): Same.
7302 (add_conditions_to_constraints): Remove.
7303 (build_scop_context): New.
7304 (add_iter_domain_dimension): New.
7305 (build_iteration_domains): Initialize pbb->iterators.
7306 Call add_conditions_to_domain.
7309 (index_outermost_in_loop): New.
7310 (index_pbb_in_loop): New.
7311 (outermost_pbb_in): New.
7312 (add_in_sequence): New.
7313 (add_outer_projection): New.
7314 (outer_projection_mupa): New.
7315 (add_loop_schedule): New.
7316 (build_schedule_pbb): New.
7317 (build_schedule_loop): New.
7318 (embed_in_surrounding_loops): New.
7319 (build_schedule_loop_nest): New.
7320 (build_original_schedule): New.
7321 (build_poly_scop): Call build_original_schedule.
7322 * graphite.h: Declare print_isl_schedule and debug_isl_schedule.
7323 (free_poly_dr): Remove.
7324 (struct poly_bb): Add iterators. Remove schedule, transformed, saved.
7325 (free_poly_bb): Remove.
7326 (debug_loop_vec): Remove.
7327 (print_isl_ast): Declare.
7328 (debug_isl_ast): Declare.
7329 (scop_do_interchange): Remove.
7330 (scop_do_strip_mine): Remove.
7331 (scop_do_block): Remove.
7332 (flatten_all_loops): Remove.
7333 (optimize_isl): Remove.
7334 (pbb_number_of_iterations_at_time): Remove.
7335 (debug_scop_pbb): Declare.
7336 (print_schedule_ast): Declare.
7337 (debug_schedule_ast): Declare.
7338 (struct scop): Remove schedule. Add original_schedule,
7339 transformed_schedule.
7340 (free_gimple_poly_bb): Remove.
7341 (print_generated_program): Remove.
7342 (debug_generated_program): Remove.
7343 (unify_scattering_dimensions): Remove.
7344 * sese.c (print_edge): ... here.
7345 (print_sese): ... here.
7346 (debug_edge): ... here.
7347 (debug_sese): ... here.
7348 * sese.h (print_edge): Declare.
7349 (print_sese): Declare.
7350 (dump_edge): Declare.
7351 (dump_sese): Declare.
7353 2016-01-25 Aditya Kumar <aditya.k7@samsung.com>
7354 Sebastian Pop <s.pop@samsung.com>
7356 * Makefile.in: Set ISLVER in site.exp.
7358 2016-01-25 Jakub Jelinek <jakub@redhat.com>
7360 * omp-low.c (lower_omp_target) <case USE_DEVICE_PTR>: Set
7361 DECL_VALUE_EXPR of new_var even for the non-array case. Look
7362 through DECL_VALUE_EXPR for expansion.
7364 2016-01-25 Bernd Edlinger <bernd.edlinger@hotmail.de>
7366 * config/mips/mips.c (mips_compute_frame_info): Skip re-computing
7367 the frame info after reload completed.
7369 2016-01-25 Jeff Law <law@redhat.com>
7371 PR tree-optimization/69196
7372 PR tree-optimization/68398
7373 * tree-ssa-threadupdate.h (enum bb_dom_status): Moved here from
7374 tree-ssa-threadupdate.c.
7375 (determine_bb_domination_status): Prototype
7376 * tree-ssa-threadupdate.c (enum bb_dom_status): Remove
7377 (determine_bb_domination_status): No longer static.
7378 (valid_jump_thread_path): Remove code to detect characteristics
7379 of the jump thread path not associated with correctness.
7380 * tree-ssa-threadbackward.c (fsm_find_control_statment_thread_paths):
7381 Correct test for thread path length. Count PHIs for real operands as
7382 statements that need to be copied. Do not count ASSERT_EXPRs.
7383 Look at all the blocks in the thread path. Compute and selectively
7384 filter thread paths based on threading through the latch, threading
7385 a multiway branch or crossing a multiway branch.
7387 2016-01-25 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
7389 * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled): Add
7390 decl with __attribute__ ((unused)) annotation.
7392 2016-01-25 Ilya Enkovich <enkovich.gnu@gmail.com>
7395 * tree-vect-stmts.c (vectorizable_condition): Check vectype
7396 of operands is compatible with a statement vectype.
7398 2016-01-25 Eric Botcazou <ebotcazou@adacore.com>
7400 * doc/extend.texi (scalar_storage_order type attribute): Fix typo and
7401 improve wording for mixed storage order support.
7403 2016-01-25 Bilyan Borisov <bilyan.borisov@arm.com>
7405 * config/aarch64/arm_neon.h (vcvt_s64_f64): New intrinsic.
7406 (vcvt_u64_f64): Likewise.
7407 (vcvta_s64_f64): Likewise.
7408 (vcvta_u64_f64): Likewise.
7409 (vcvtm_s64_f64): Likewise.
7410 (vcvtm_u64_f64): Likewise.
7411 (vcvtn_s64_f64): Likewise.
7412 (vcvtn_u64_f64): Likewise.
7413 (vcvtp_s64_f64): Likewise.
7414 (vcvtp_u64_f64): Likewise.
7416 2016-01-25 Claudiu Zissulescu <claziss@synopsys.com>
7418 * config/arc/arc.c (TARGET_DWARF_REGISTER_SPAN): Define.
7419 (arc_init): Check validity mll64 option.
7420 (arc_save_restore): Use double load/store instruction.
7421 (arc_expand_movmem): Likewise.
7422 (arc_split_move): Don't split if we have double load/store
7423 instructions. Returns a boolean.
7424 (arc_process_double_reg_moves): Change function to return boolean
7425 instead of a sequence of instructions.
7426 (arc_dwarf_register_span): New function.
7427 * config/arc/arc-protos.h (arc_split_move): Change prototype.
7428 * config/arc/arc.h (TARGET_CPU_CPP_BUILTINS): Define __ARC_LL64__.
7429 * config/arc/arc.md (*movdi_insn): Emit ldd/std instructions.
7430 (*movdf_insn): Likewise.
7431 * config/arc/arc.opt (mll64): New option.
7432 * config/arc/predicates.md (even_register_operand): New predicate.
7433 * doc/invoke.texi (ARC Options): Add mll64 documentation.
7435 2016-01-25 Richard Biener <rguenther@suse.de>
7438 * dwarf2out.c (is_naming_typedef_decl): Not when DECL_NAMELESS.
7439 * tree-streamer-out.c (pack_ts_base_value_fields): Stream
7441 * tree-streamer-in.c (unpack_ts_base_value_fields): Likewise.
7443 2016-01-25 Richard Biener <rguenther@suse.de>
7445 PR tree-optimization/69376
7446 * tree-ssa-sccvn.h (struct vn_ssa_aux): Add range_info_anti_range_p
7448 (VN_INFO_ANTI_RANGE_P): New inline.
7449 (VN_INFO_RANGE_TYPE): Likewise.
7450 * tree-ssa-sccvn.c (set_ssa_val_to): Also record and copy
7451 SSA_NAME_ANTI_RANGE_P.
7452 (free_scc_vn): Restore SSA_NAME_ANTI_RANGE_P.
7453 * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
7454 Properly query VN_INFO_RANGE_TYPE.
7456 2016-01-25 Nick Clifton <nickc@redhat.com>
7459 * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Remove definition.
7461 2016-01-23 Tom de Vries <tom@codesourcery.com>
7463 PR tree-optimization/69426
7464 * tree-parloops.c (eliminate_local_variables_stmt): Handle vdef of
7467 2016-01-23 Jakub Jelinek <jakub@redhat.com>
7469 * tree-ssanames.c (release_free_names_and_compact_live_names): Replace
7470 "the the" with "the" in the comments.
7471 * ipa-devirt.c (build_type_inheritance_graph,
7472 update_type_inheritance_graph): Likewise.
7473 * tree.c (build_function_type_list_1): Likewise.
7474 * cfgloopmanip.c (scale_loop_profile): Likewise.
7475 * tree-ssa-loop-ivopts.c (get_shiftadd_cost): Likewise.
7476 * gimple-ssa-split-paths.c
7477 (find_block_to_duplicate_for_splitting_paths): Likewise.
7478 * tree-sra.c (init_subtree_with_zero, clobber_subtree): Likewise.
7479 * expr.c (convert_move): Likewise.
7480 * var-tracking.c (vt_stack_adjustments): Likewise.
7481 * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Likewise.
7482 * tree-vrp.c (test_for_singularity): Likewise.
7484 * tree-vect-stmts.c (vectorizable_condition): Build a VEC_COND_EXPR
7485 directly instead of building a temporary tree.
7488 * genrecog.c: Define INCLUDE_ALGORITHM before including system.h,
7489 remove <algorithm> include.
7491 2016-01-22 Jakub Jelinek <jakub@redhat.com>
7494 * config/i386/i386.c: Include dojump.h.
7495 (expand_small_movmem_or_setmem,
7496 expand_set_or_movmem_prologue_epilogue_by_misaligned_moves): Spelling
7498 (ix86_expand_set_or_movmem): Call do_pending_stack_adjust () early
7499 if dynamic_check != -1.
7501 2016-01-21 Jeff Law <law@redhat.com>
7504 * tree-ssa-dom.c (back_propagate_equivalences): Factored out of
7505 record_temporary_equivalences. Rewritten to avoid unnecessary calls
7506 into dominated_by_p.
7507 (cprop_into_successor_phis): Avoid unnecessary tests.
7509 2016-01-22 Richard Henderson <rth@redhat.com>
7512 * config/aarch64/aarch64.md (UNSPEC_NZCV): New.
7513 (ccmp<mode>, fccmp<mode>, fccmpe<mode>): Use it.
7515 2016-01-22 Michael Matz <matz@suse.de>
7517 * system.h (string, algorithm): Include only conditionally.
7518 (new): Include always under C++.
7519 * bb-reorder.c (toplevel): Define INCLUDE_ALGORITHM.
7520 * final.c (toplevel): Ditto.
7521 * ipa-chkp.c (toplevel): Define INCLUDE_STRING.
7522 * genconditions.c (write_header): Make gencondmd.c define
7524 * mem-stats.h (mem_usage::print_dash_line): Don't use std::string.
7526 * config/aarch64/aarch64.c (toplevel): Define INCLUDE_STRING.
7527 * common/config/aarch64/aarch64-common.c (toplevel): Ditto.
7529 2016-01-22 Christian Bruel <christian.bruel@st.com>
7532 * expr.c (expand_expr_real_1): Reset DECL_MODE if VECTOR_TYPE_P changed.
7534 2016-01-22 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
7537 * config/arm/thumb2.md (*thumb2_ior_scc_strict_it): Convert to
7538 define_insn_and_split. Ensure operands[1] and operands[0] do not
7539 get assigned the same register.
7541 2016-01-22 Kugan Vivekanandarajah <kuganv@linaro.org>
7543 * ipa-prop.c (ipa_set_jf_constant): Remove redundant unshare_expr.
7545 2016-01-22 Christian Bruel <christian.bruel@st.com>
7547 * config/arm/arm-c.c (arm_pragma_target_parse):
7548 Remove warn_builtin_macro_redefined overwrite.
7550 2016-01-22 Eric Botcazou <ebotcazou@adacore.com>
7552 * ipa-inline.c (can_inline_edge_p): Back out overzealous check on
7553 flag_non_call_exceptions compatibility.
7555 2016-01-22 Jakub Jelinek <jakub@redhat.com>
7558 * dwarf2out.c (add_child_die_after): New function.
7559 (dwarf_qual_info_t): New type.
7560 (dwarf_qual_info): New variable.
7561 (qualified_die_p): New function.
7562 (modified_type_die): For -fdebug-types-section, ensure
7563 canonical order of qualifiers. Put qualified DIEs adjacent
7564 to the corresponding non-qualified type DIE and search there
7565 for existing qualified DIEs.
7567 2016-01-22 Eric Botcazou <ebotcazou@adacore.com>
7569 * doc/extend.texi (scalar_storage_order type attribute): Document
7570 restriction on type punning and aliasing, and remove future tense.
7572 2016-01-21 Roman Zhuykov <zhroma@ispras.ru>
7575 * modulo-sched.c (optimize_sc): Allow branch-scheduling to add a new
7578 2016-01-21 Jeff Law <law@redhat.com>
7581 * tree-ssa-dom.c (dom_opt_dom_walker::thread_across_edge): Avoid
7582 useless call to record_temporary_equivalences.
7583 * tree-ssa-threadbackward.c (find_jump_threads_backwards): Just
7584 allocate 10 slots in the bb_path vector and let it grow as needed.
7585 (fsm_find_control_statement_thread_paths): Similarly for the next_path
7588 2016-01-21 David Edelsohn <dje.gcc@gmail.com>
7590 * configure.ac (gcc_cv_as_powerpc_mfcrf, gcc_cv_as_machine_directive):
7592 * configure: Regenerate.
7594 2016-01-21 Pat Haugen <pthaugen@us.ibm.com>
7596 * config/rs6000/aix71.h (ASM_CPU_SPEC): Add entry for Power9.
7597 * config/rs6000/driver-rs6000.c (struct asm_names): Likewise.
7599 2016-01-21 Bernd Schmidt <bschmidt@redhat.com>
7602 * expr.c (expand_expr_real_2) [PLUS_EXPR, MINUS_EXPR]: Don't
7603 drop EXPAND_INITIALIZER.
7604 * rtl.h (contains_symbolic_reference_p): Declare.
7605 * rtlanal.c (contains_symbolic_reference_p): New function.
7606 * simplify-rtx.c (simplify_binary_operation_1): Don't turn
7607 a subtraction into a NOT if symbolic constants are involved.
7609 2016-01-21 Anton Blanchard <anton@samba.org>
7610 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
7613 * config/rs6000/linux64.h (TARGET_KEEP_LEAF_WHEN_PROFILED): New
7615 * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled): New
7618 2016-01-21 Ajit Agarwal <ajitkum@xilinx.com>
7620 * config/microblaze/microblaze.c
7621 (get_branch_target): New.
7622 (insert_wic_for_ilb_runout): New.
7624 (microblaze_machine_dependent_reorg): New.
7625 (TARGET_MACHINE_DEPENDENT_REORG): Define macro.
7626 * config/microblaze/microblaze.md
7627 (UNSPEC_IPREFETCH): Define.
7628 (iprefetch): New pattern
7629 * config/microblaze/microblaze.opt
7630 (mxl-prefetch): New flag.
7632 2016-01-21 Ajit Agarwal <ajitkum@xilinx.com>
7634 * config/microblaze/microblaze.h
7635 (FIXED_REGISTERS): Update in macro.
7636 (CALL_USED_REGISTERS): Update in macro.
7638 2016-01-21 Yuri Rumyantsev <ysrumyan@gmail.com>
7640 PR rtl-optimization/68920
7641 * ifcvt.c (cond_move_process_if_block): Limit number of conditional
7644 2016-01-21 Vladimir Makarov <vmakarov@redhat.com>
7646 PR rtl-optimization/68990
7647 * lra-coalesce.c (lra_coalesce): Invalidate value for the result
7648 pseudo instead of inheritance ones.
7650 2016-01-21 Bernd Edlinger <bernd.edlinger@hotmail.de>
7651 Nick Clifton <nickc@redhat.com>
7655 * config/mips/mips.c (mips_compute_frame_info): Initialise
7656 args_size and hard_frame_pointer_offset fields of the frame
7657 structure before calling mips_global_pointer.
7659 2016-01-21 David Edelsohn <dje.gcc@gmail.com>
7661 * configure.ac (gcc_cv_as_dwloc): Test support for debug frame section
7663 * configure: Regenerate.
7665 2016-01-21 Richard Biener <rguenther@suse.de>
7667 * graphite-optimize-isl.c (get_schedule_map): Fix typo.
7669 2016-01-21 Marcin Kościelnicki <koriakin@0x04.net>
7671 * config/s390/s390.c (s390_asm_declare_function_size): Add code
7672 to actually emit the .size directive.
7674 2016-01-21 Stefan Sørensen <stefan.sorensen@spectralink.com>
7675 Jakub Jelinek <jakub@redhat.com>
7679 * config/arm/arm-builtins.c (arm_expand_neon_builtin): Increase
7680 args array size by one to avoid buffer overflow.
7682 2016-01-21 Marcin Kościelnicki <koriakin@0x04.net>
7684 * config/s390/s390.md (pool_section_start): Use switch_to_section
7685 to select proper read-only data section instead of hardcoding
7687 (pool_section_end): Use switch_to_section to match the above.
7689 2016-01-21 Richard Biener <rguenther@suse.de>
7691 PR tree-optimization/69378
7692 * tree-ssa-sccvn.c (dominated_by_p_w_unex): New function.
7693 (set_ssa_val_to): Use it for dominance checks taking into
7694 account not executable edges.
7696 2016-01-21 Jakub Jelinek <jakub@redhat.com>
7699 * tree-dfa.c (get_ref_base_and_extent): Use GET_MODE_BITSIZE (mode)
7700 for bitsize instead of GET_MODE_PRECISION (mode).
7702 2016-01-20 Martin Sebor <msebor@redhat.com>
7705 * extend.texi (__sync Builtins): Clarify the semantics of
7706 __sync_fetch_and_OP built-ins on pointers.
7707 (__atomic Builtins): Same.
7709 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
7710 Sebastian Pop <s.pop@samsung.com>
7712 * graphite-isl-ast-to-gimple.c (enum phi_node_kind): New.
7713 (class translate_isl_ast_to_gimple): Use phi_node_kind instead of bool.
7714 (is_valid_rename): Same.
7715 (translate_isl_ast_to_gimple::get_rename): Same.
7716 (translate_isl_ast_to_gimple::rename_all_uses): Same.
7717 (translate_isl_ast_to_gimple::rename_uses): Same.
7718 (get_new_name): Check for close_phi nodes.
7719 (copy_loop_phi_args): Use phi_node_kind.
7720 (translate_isl_ast_to_gimple::copy_loop_close_phi_args): Same.
7721 (translate_isl_ast_to_gimple::copy_cond_phi_args): Same.
7723 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
7724 Sebastian Pop <s.pop@samsung.com>
7726 Revert commit r229783.
7727 * graphite-isl-ast-to-gimple.c (gcc_expression_from_isl_ast_expr_id):
7728 Remove use of parameter_rename_map.
7730 (copy_internal_parameters): Remove.
7731 (graphite_regenerate_ast_isl): Remove call to copy_internal_parameters.
7732 * sese.c (new_sese_info): Do not initialize parameter_rename_map.
7733 (free_sese_info): Do not free parameter_rename_map.
7734 (set_rename): Do not use parameter_rename_map.
7735 (rename_uses): Update call to set_rename.
7736 (graphite_copy_stmts_from_block): Do not use parameter_rename_map.
7737 * sese.h (parameter_rename_map_t): Remove.
7738 (struct sese_info_t): Remove field parameter_rename_map.
7740 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
7741 Sebastian Pop <s.pop@samsung.com>
7743 * graphite-isl-ast-to-gimple.c: Fix comment.
7744 * graphite-scop-detection.c (defined_in_loop_p): New.
7745 (canonicalize_loop_closed_ssa): Do not add close phi nodes for SSA
7746 names defined in loop.
7748 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
7749 Sebastian Pop <s.pop@samsung.com>
7751 * graphite-scop-detection.c (scop_detection::harmful_loop_in_region):
7752 Discard unstructured if-then-else regions.
7754 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
7755 Sebastian Pop <s.pop@samsung.com>
7757 * graphite-sese-to-poly.c (set_scop_parameter_dim): Remove.
7758 (cleanup_loop_iter_dom): Remove.
7759 (build_loop_iteration_domains): Remove.
7760 (build_scop_context): Remove.
7761 (build_scop_iteration_domain): Remove.
7762 (add_loop_constraints): New.
7763 (build_iteration_domains): New.
7764 (build_poly_scop): Call build_iteration_domains.
7766 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
7767 Sebastian Pop <s.pop@samsung.com>
7769 * graphite-scop-detection.c
7770 (scop_detection::harmful_loop_in_region): Free dom and loops.
7771 (scop_detection::loop_body_is_valid_scop): Free bbs.
7773 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
7774 Sebastian Pop <s.pop@samsung.com>
7776 * graphite-scop-detection.c (record_loop_in_sese): New.
7777 (gather_bbs::before_dom_children): Call record_loop_in_sese.
7778 (build_scops): Remove call to build_sese_loop_nests.
7779 * sese.c (sese_record_loop): Remove.
7780 (build_sese_loop_nests): Remove.
7781 (new_sese_info): Remove region->loops.
7782 (free_sese_info): Same.
7783 * sese.h (sese_contains_loop): Same.
7784 (build_sese_loop_nests): Remove.
7785 (sese_contains_loop): Remove.
7787 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
7788 Sebastian Pop <s.pop@samsung.com>
7790 * graphite-scop-detection.c (loop_is_valid_scop): Renamed
7791 loop_is_valid_in_scop.
7792 (scop_detection::harmful_stmt_in_region): Renamed
7793 harmful_loop_in_region.
7794 Call loop_is_valid_in_scop.
7796 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
7797 Sebastian Pop <s.pop@samsung.com>
7799 * graphite-isl-ast-to-gimple.c (translate_isl_ast): Also handle
7802 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
7803 Sebastian Pop <s.pop@samsung.com>
7805 * graphite-poly.c (new_poly_bb): Remove use of PBB_IS_REDUCTION.
7806 * graphite.h (struct poly_bb): Remove field is_reduction.
7807 (PBB_IS_REDUCTION): Remove.
7809 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
7810 Sebastian Pop <s.pop@samsung.com>
7812 * graphite-dependences.c (constrain_domain): Add call to isl_*_coalesce.
7813 (add_pdr_constraints): Same.
7814 (scop_get_reads): Same.
7815 (scop_get_must_writes): Same.
7816 (scop_get_may_writes): Same.
7817 (scop_get_original_schedule): Same.
7818 (extend_schedule): Same.
7819 (apply_schedule_on_deps): Same.
7820 (carries_deps): Same.
7821 (compute_deps): Same.
7822 (scop_get_dependences): Same.
7823 * graphite-isl-ast-to-gimple.c
7824 (translate_isl_ast_to_gimple::generate_isl_schedule): Same.
7825 * graphite-optimize-isl.c (get_schedule_for_band): Same.
7826 (get_schedule_for_band_list): Same.
7827 (get_schedule_map): Same.
7828 (apply_schedule_map_to_scop): Same.
7829 * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
7830 (build_loop_iteration_domains): Same.
7831 (add_condition_to_pbb): Same.
7832 (add_param_constraints): Same.
7833 (pdr_add_memory_accesses): Same.
7834 (pdr_add_data_dimensions): Same.
7836 2016-01-20 Sandra Loosemore <sandra@codesourcery.com>
7838 * doc/invoke.texi (Instrumentation Options): Clarify -mmpx linking
7841 2016-01-20 Sandra Loosemore <sandra@codesourcery.com>
7843 * common.opt (feliminate-dwarf2-dups): Replace references to
7844 "DWARF 2" with just "DWARF".
7845 * config/ia64/ia64.opt (mdwarf2-asm): Likewise.
7846 * doc/extend.texi: Likewise.
7847 * doc/cpp.texi: Likewise.
7848 * doc/invoke.texi: Likewise.
7849 (Option Summary): Add -gdwarf to list of Debugging Options.
7850 (Debugging Options): Document -gdwarf.
7851 * doc/contrib.texi: Spell "DWARF" like that.
7853 2016-01-21 Jakub Jelinek <jakub@redhat.com>
7855 * omp-low.c (expand_omp_target): Avoid -Wmaybe-uninitialized
7856 warning. Fix up formatting.
7859 * gimplify.c (gimplify_asm_expr): Warn if it is too late to
7860 attempt to mark memory input operand addressable and
7861 call prepare_gimple_addressable in that case. Don't adjust
7862 input_location for diagnostics, use error_at instead.
7864 2016-01-20 Peter Bergner <bergner@vnet.ibm.com>
7866 * config/rs6000/ppc-auxv.h: New file.
7867 * config/rs6000/rs6000-builtin.def (cpu_init): Add new builtin.
7869 (cpu_supports): Likewise.
7870 * config/rs6000/rs6000.c: include "ppc-auxv.h".
7871 (cpu_is_info): New variable.
7872 (cpu_supports_info): Likewise.
7873 (tcb_verification_symbol): Likewise.
7874 (cpu_builtin_p): Likewise.
7875 (cpu_expand_builtin): New function.
7876 (rs6000_expand_ternop_builtin): Add support for CPU builtin functions.
7877 (rs6000_init_builtins): Likewise.
7878 (rs6000_elf_file_end): Emit HWCAP in TCB verification symbol.
7879 * config/rs6000/rs6000.h (TLS_REGNUM): New define.
7880 * configure.ac (gcc_cv_libc_provides_hwcap_in_tcb): New test.
7881 * configure: Regenerate.
7882 * config.in: Likewise.
7883 * doc/extend.texi (PowerPC Built-in Functions): Document
7884 __builtin_cpu_init, __builtin_cpu_is and __builtin_cpu_supports.
7886 2016-01-20 David Edelsohn <dje.gcc@gmail.com>
7889 * config/rs6000/rs6000.c (rs6000_emit_swsqrt): Add vector sqrt
7891 * config/rs6000/vector.md (sqrt<mode>2): Call rs6000_emit_swsqrt
7894 2016-01-20 Richard Henderson <rth@redhat.com>
7900 * tree.c (tm_define_builtin): New.
7901 (find_tm_vector_type): New.
7902 (build_tm_vector_builtins): New.
7903 (build_common_builtin_nodes): Call it.
7905 2016-01-20 Christophe Lyon <christophe.lyon@linaro.org>
7907 * doc/sourcebuild.texi (arm_crypto_pragma_ok): Document new entry.
7908 (arm_fp_ok): Likewise.
7910 (arm_crypto): Likewise.
7912 2016-01-20 Ilya Enkovich <enkovich.gnu@gmail.com>
7913 Richard Biener <rguenther@suse.de>
7915 PR tree-optimization/69328
7916 * tree-vect-stmts.c (vect_is_simple_cond): Check compared
7917 vectors have same number of elements.
7918 (vectorizable_condition): Fix masked version recognition.
7920 2016-01-20 Richard Biener <rguenther@suse.de>
7922 PR tree-optimization/69345
7923 * tree-ssa-sccvn.h (VN_INFO_RANGE_INFO): New inline function.
7924 (VN_INFO_PTR_INFO): Likewise.
7925 * tree-ssa-sccvn.c (set_ssa_val_to): Avoid clearing points-to
7926 info when it is equal between non-dominating SSA names.
7927 * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
7928 Make sure to look at original SSA infos.
7930 2016-01-20 Jeff Law <law@redhat.com>
7933 * config/m68k/predicates.md (pow2_m1_operand): New predicate
7935 (reg_or_pow2_m1_operand): Call pow2_m1_operand.
7936 (pc_or_label_operand): New predicate.
7937 * config/m68k/m68k.md: Add new peephole2 patterns for GTU/LEU
7938 tests for small integers that are 2^n - 1.
7940 2016-01-20 Jonathan Wakely <jwakely@redhat.com>
7942 * doc/invoke.texi (Options Summary): Add '.' after @xref.
7944 2016-01-19 Jeff Law <law@redhat.com>
7947 * tree-ssa-threadbackwards.c
7948 (fsm_find_control_statement_thread_paths): Do not try to lookup
7949 FSM paths for SSA_NAMEs appearing in abnormal PHIs.
7951 2016-01-20 Kugan Vivekanandarajah <kuganv@linaro.org>
7953 * doc/lto.texi: Remove text that says only Gold has linker plugin
7956 2016-01-19 Eric Botcazou <ebotcazou@adacore.com>
7958 * dwarf2out.c (need_endianity_attribute_p): New inline predicate.
7959 (base_type_die): Add REVERSE parameter and attach DW_AT_endianity to
7960 the DIE accordingly.
7961 (modified_type_die): Add REVERSE parameter and pass it recursively,
7962 as well as to base_type_die. Adjust presence check accordingly.
7963 (base_type_for_mode): Adjust call to modified_type_die.
7964 (add_type_attribute): Add REVERSE parameter and pass it to
7966 (generic_parameter_die): Adjust call to add_type_attribute.
7967 (add_scalar_info): Likewise.
7968 (add_subscript_info): Likewise.
7969 (gen_array_type_die): Likewise.
7970 (gen_descr_array_type_die): Likewise.
7971 (gen_entry_point_die): Likewise.
7972 (gen_enumeration_type_die): Likewise.
7973 (gen_formal_parameter_die): Likewise.
7974 (gen_subprogram_die): Likewise.
7975 (gen_variable_die ): Likewise.
7976 (gen_const_die): Likewise.
7977 (gen_field_die): Likewise.
7978 (gen_pointer_type_die): Likewise.
7979 (gen_reference_type_die): Likewise.
7980 (gen_ptr_to_mbr_type_die): Likewise.
7981 (gen_inheritance_die): Likewise.
7982 (gen_subroutine_type_die): Likewise.
7983 (gen_typedef_die): Likewise.
7984 (force_type_die): Adjust call to modified_type_die.
7986 2016-01-19 Sandra Loosemore <sandra@codesourcery.com>
7988 * doc/standards.texi: Copy-editing for grammar, markup, and sentence
7989 flow throughout the file. Fix broken link to Objective-C 2.0
7991 * doc/invoke.texi: More copy-editing; fix numerous typos and spelling
7994 2016-01-19 Wilco Dijkstra <wdijkstr@arm.com>
7996 * ccmp.c (expand_ccmp_expr_1): Avoid spurious unused warnings.
7998 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
8001 * ipa-devirt.c (is_cxa_pure_virtual_p): New function.
8002 (maybe_record_node): Record cxa_pure_virtual as the only possible
8003 target if there are not ohter candidates.
8004 (possible_polymorphic_call_target_p): Accept cxa_pure_virtual.
8006 2016-01-19 Richard Biener <rguenther@suse.de>
8008 * hsa-gen.c (get_memory_order_name): Use MEMMODEL_ constants.
8009 (get_memory_order): Likewise.
8011 2016-01-19 Kirill Yukhin <kirill.yukhin@intel.com>
8013 * tree-vect-stmts.c (vectorizable_store): Check
8016 2016-01-19 David Malcolm <dmalcolm@redhat.com>
8019 * gcc.c (driver::decode_argv): Add call to
8020 init_opts_obstack before init_options_struct.
8021 * opts.c (init_opts_obstack): Remove idempotency.
8022 (init_options_struct): Replace call to init_opts_obstack
8023 with a gcc_assert to verify that it has already been called.
8024 * toplev.c (toplev::main): Add call to init_opts_obstack before
8025 calls to init_options_struct.
8026 (toplev::finalize): Move cleanup of opts_obstack next to
8027 cleanup of save_decoded_options, clearing the latter, and
8028 save_decoded_options_count.
8030 2016-01-19 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
8033 * config/arm/vfp.md (l<vrint_pattern><su_optab><mode>si2): Set "conds"
8034 attribute to unconditional. Remove %? from output template.
8036 2015-01-19 Wilco Dijkstra <wdijkstr@arm.com>
8037 Jiong Wang <jiong.wang@arm.com>
8039 * ccmp.c (expand_ccmp_expr_1): Cost the instruction sequences
8040 generated from different expand order.
8042 2015-01-19 Wilco Dijkstra <wdijkstr@arm.com>
8044 * /config/aarch64/aarch64.c (aarch64_if_then_else_costs):
8045 Add support for CCMP costing.
8047 2015-01-19 Wilco Dijkstra <wdijkstr@arm.com>
8049 * ccmp.c (ccmp_candidate_p): Remove integer-only restriction.
8050 * config/aarch64/aarch64.md (fccmp<mode>): New pattern.
8051 (fccmpe<mode>): Likewise.
8052 (fcmp): Rename to fcmp and globalize pattern.
8054 * config/aarch64/aarch64.c (aarch64_gen_ccmp_first): Add FP support.
8055 (aarch64_gen_ccmp_next): Add FP support.
8057 2015-01-19 Wilco Dijkstra <wdijkstr@arm.com>
8059 * target.def (gen_ccmp_first): Update documentation.
8060 (gen_ccmp_next): Likewise.
8061 * doc/tm.texi (gen_ccmp_first): Update documentation.
8062 (gen_ccmp_next): Likewise.
8063 * ccmp.c (expand_ccmp_expr): Extract cmp_code from return value of
8064 expand_ccmp_expr_1. Improve comments.
8065 * config/aarch64/aarch64.md (ccmp_and): Use if_then_else for ccmp.
8066 (ccmp_ior<mode>): Remove pattern.
8067 (cmp<mode>): Remove expand.
8068 (cmp): Globalize pattern.
8069 (cstorecc4): Use cc_register.
8070 (mov<mode>cc): Remove ccmp_cc_register check.
8071 * config/aarch64/aarch64.c (aarch64_get_condition_code_1):
8072 Simplify after removal of CC_DNE/* modes.
8073 (aarch64_ccmp_mode_to_code): Remove.
8074 (aarch64_print_operand): Remove 'K' case. Merge 'm' and 'M' cases.
8075 In 'k' case use integer as condition.
8076 (aarch64_nzcv_codes): Remove inverted cases.
8077 (aarch64_code_to_ccmode): Remove.
8078 (aarch64_gen_ccmp_first): Use cmp pattern directly. Return the correct
8079 comparison with CC register to be used in folowing CCMP/branch/CSEL.
8080 (aarch64_gen_ccmp_next): Use previous comparison and mode in CCMP
8081 pattern. Return the comparison with CC register. Invert conditions
8083 * config/aarch64/aarch64-modes.def: Remove CC_DNE/* modes.
8084 * config/aarch64/predicates.md (ccmp_cc_register): Remove.
8086 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
8088 * cgraphunit.c (cgraph_node::reset): Clear thunk info and
8089 instrumented_version.
8091 2016-01-19 Richard Biener <rguenther@suse.de>
8093 PR tree-optimization/69336
8094 * tree-ssa-scopedtables.c (avail_expr_hash): Handle all
8095 handled components with get_ref_base_and_extent.
8096 (equal_mem_array_ref_p): Adjust.
8098 2016-01-19 Jakub Jelinek <jakub@redhat.com>
8101 * shrink-wrap.c: Include valtrack.h.
8102 (move_insn_for_shrink_wrap): Add DEBUG argument. If
8103 MAY_HAVE_DEBUG_INSNS, call dead_debug_add on DEBUG_INSNs
8104 in between insn and where it will be moved to. Call
8105 dead_debug_insert_temp.
8106 (prepare_shrink_wrap): Adjust caller. Call dead_debug_local_init
8107 first and dead_debug_local_finish at the end.
8108 For uses and defs bitmap, handle all regs in between REGNO and
8109 END_REGNO, not just the first one.
8111 2016-01-19 Richard Biener <rguenther@suse.de>
8113 PR tree-optimization/69352
8114 * tree-ssa-scopedtables.c (avail_expr_hash): Check for size == -1.
8115 (equal_mem_array_ref_p): Constrain size and max size properly.
8116 Compare the reverse flag.
8118 2016-01-19 Bernd Schmidt <bschmidt@redhat.com>
8120 * ira.c (ira): Update regstat data if we deleted insns.
8122 2016-01-19 Jakub Jelinek <jakub@redhat.com>
8124 PR rtl-optimization/68955
8125 PR rtl-optimization/64557
8126 * dse.c (record_store, check_mem_read_rtx): Don't call get_addr
8127 here. Fix up formatting.
8128 * alias.c (get_addr): Handle VALUE +/- CONST_SCALAR_INT_P.
8130 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
8133 * cgraphunit.c (cgraph_node::expand_thunk): When forcing gimple
8134 assume that the node has body.
8135 * cgraph.c (cgraph_node::get_untransformed_body): Use gimple_body_p
8138 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
8140 * lto-streamer-out.c (lto_output): Do not stream instrumentation
8143 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
8145 * symtab.c (symtab_node::asm_name): Do not call printable name directly.
8146 (symtab_node::name): Report name as unnamed if DECL_NAME is not set.
8148 2016-01-19 Martin Jambor <mjambor@suse.cz>
8149 Martin Liska <mliska@suse.cz>
8150 Michael Matz <matz@suse.de>
8152 * Makefile.in (OBJS): Add new source files.
8153 (GTFILES): Add hsa.c.
8154 * common.opt (disable_hsa): New variable.
8155 (-Whsa): New warning.
8156 * config.in (ENABLE_HSA): New.
8157 * configure.ac: Treat hsa differently from other accelerators.
8158 (OFFLOAD_TARGETS): Define ENABLE_OFFLOADING according to
8160 (ENABLE_HSA): Define ENABLE_HSA according to $enable_hsa.
8161 * doc/install.texi (Configuration): Document --with-hsa-runtime,
8162 --with-hsa-runtime-include, --with-hsa-runtime-lib and
8164 * doc/invoke.texi (-Whsa): Document.
8165 (hsa-gen-debug-stores): Likewise.
8166 * lto-wrapper.c (compile_images_for_offload_targets): Do not attempt
8167 to invoke offload compiler for hsa acclerator.
8168 * opts.c (common_handle_option): Determine whether HSA offloading
8169 should be performed.
8170 * params.def (PARAM_HSA_GEN_DEBUG_STORES): New parameter.
8171 * builtin-types.def (BT_FN_VOID_UINT_PTR_INT_PTR): New.
8172 (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_INT_INT): Removed.
8173 (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_PTR): New.
8174 * gimple-low.c (lower_stmt): Also handle GIMPLE_OMP_GRID_BODY.
8175 * gimple-pretty-print.c (dump_gimple_omp_for): Also handle
8176 GF_OMP_FOR_KIND_GRID_LOOP.
8177 (dump_gimple_omp_block): Also handle GIMPLE_OMP_GRID_BODY.
8178 (pp_gimple_stmt_1): Likewise.
8179 * gimple-walk.c (walk_gimple_stmt): Likewise.
8180 * gimple.c (gimple_build_omp_grid_body): New function.
8181 (gimple_copy): Also handle GIMPLE_OMP_GRID_BODY.
8182 * gimple.def (GIMPLE_OMP_GRID_BODY): New.
8183 * gimple.h (enum gf_mask): Added GF_OMP_PARALLEL_GRID_PHONY,
8184 GF_OMP_FOR_KIND_GRID_LOOP, GF_OMP_FOR_GRID_PHONY and
8185 GF_OMP_TEAMS_GRID_PHONY.
8186 (gimple_statement_omp_single_layout): Updated comments.
8187 (gimple_build_omp_grid_body): New function.
8188 (gimple_has_substatements): Also handle GIMPLE_OMP_GRID_BODY.
8189 (gimple_omp_for_grid_phony): New function.
8190 (gimple_omp_for_set_grid_phony): Likewise.
8191 (gimple_omp_parallel_grid_phony): Likewise.
8192 (gimple_omp_parallel_set_grid_phony): Likewise.
8193 (gimple_omp_teams_grid_phony): Likewise.
8194 (gimple_omp_teams_set_grid_phony): Likewise.
8195 (gimple_return_set_retbnd): Also handle GIMPLE_OMP_GRID_BODY.
8196 * omp-builtins.def (BUILT_IN_GOMP_OFFLOAD_REGISTER): New.
8197 (BUILT_IN_GOMP_OFFLOAD_UNREGISTER): Likewise.
8198 (BUILT_IN_GOMP_TARGET): Updated type.
8199 * omp-low.c: Include symbol-summary.h, hsa.h and params.h.
8200 (adjust_for_condition): New function.
8201 (get_omp_for_step_from_incr): Likewise.
8202 (extract_omp_for_data): Moved parts to adjust_for_condition and
8203 get_omp_for_step_from_incr.
8204 (build_outer_var_ref): Handle GIMPLE_OMP_GRID_BODY.
8205 (fixup_child_record_type): Bail out if receiver_decl is NULL.
8206 (scan_sharing_clauses): Handle OMP_CLAUSE__GRIDDIM_.
8207 (scan_omp_parallel): Do not create child functions for phony
8209 (check_omp_nesting_restrictions): Handle GIMPLE_OMP_GRID_BODY.
8210 (scan_omp_1_op): Checking assert we are not remapping to
8211 ERROR_MARK. Also also handle GIMPLE_OMP_GRID_BODY.
8212 (parallel_needs_hsa_kernel_p): New function.
8213 (expand_parallel_call): Register apprpriate parallel child
8214 functions as HSA kernels.
8215 (grid_launch_attributes_trees): New type.
8216 (grid_attr_trees): New variable.
8217 (grid_create_kernel_launch_attr_types): New function.
8218 (grid_insert_store_range_dim): Likewise.
8219 (grid_get_kernel_launch_attributes): Likewise.
8220 (get_target_argument_identifier_1): Likewise.
8221 (get_target_argument_identifier): Likewise.
8222 (get_target_argument_value): Likewise.
8223 (push_target_argument_according_to_value): Likewise.
8224 (get_target_arguments): Likewise.
8225 (expand_omp_target): Call get_target_arguments instead of looking
8226 up for teams and thread limit.
8227 (grid_expand_omp_for_loop): New function.
8228 (grid_arg_decl_map): New type.
8229 (grid_remap_kernel_arg_accesses): New function.
8230 (grid_expand_target_kernel_body): New function.
8231 (expand_omp): Call it.
8232 (lower_omp_for): Do not emit phony constructs.
8233 (lower_omp_taskreg): Do not emit phony constructs but create for them
8234 a temporary variable receiver_decl.
8235 (lower_omp_taskreg): Do not emit phony constructs.
8236 (lower_omp_teams): Likewise.
8237 (lower_omp_grid_body): New function.
8238 (lower_omp_1): Call it.
8239 (grid_reg_assignment_to_local_var_p): New function.
8240 (grid_seq_only_contains_local_assignments): Likewise.
8241 (grid_find_single_omp_among_assignments_1): Likewise.
8242 (grid_find_single_omp_among_assignments): Likewise.
8243 (grid_find_ungridifiable_statement): Likewise.
8244 (grid_target_follows_gridifiable_pattern): Likewise.
8245 (grid_remap_prebody_decls): Likewise.
8246 (grid_copy_leading_local_assignments): Likewise.
8247 (grid_process_kernel_body_copy): Likewise.
8248 (grid_attempt_target_gridification): Likewise.
8249 (grid_gridify_all_targets_stmt): Likewise.
8250 (grid_gridify_all_targets): Likewise.
8251 (execute_lower_omp): Call grid_gridify_all_targets.
8252 (make_gimple_omp_edges): Handle GIMPLE_OMP_GRID_BODY.
8253 * tree-core.h (omp_clause_code): Added OMP_CLAUSE__GRIDDIM_.
8254 (tree_omp_clause): Added union field dimension.
8255 * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE__GRIDDIM_.
8256 * tree.c (omp_clause_num_ops): Added number of arguments of
8257 OMP_CLAUSE__GRIDDIM_.
8258 (omp_clause_code_name): Added name of OMP_CLAUSE__GRIDDIM_.
8259 (walk_tree_1): Handle OMP_CLAUSE__GRIDDIM_.
8260 * tree.h (OMP_CLAUSE_GRIDDIM_DIMENSION): New.
8261 (OMP_CLAUSE_SET_GRIDDIM_DIMENSION): Likewise.
8262 (OMP_CLAUSE_GRIDDIM_SIZE): Likewise.
8263 (OMP_CLAUSE_GRIDDIM_GROUP): Likewise.
8264 * passes.def: Schedule pass_ipa_hsa and pass_gen_hsail.
8265 * tree-pass.h (make_pass_gen_hsail): Declare.
8266 (make_pass_ipa_hsa): Likewise.
8267 * ipa-hsa.c: New file.
8268 * lto-section-in.c (lto_section_name): Add hsa section name.
8269 * lto-streamer.h (lto_section_type): Add hsa section.
8270 * timevar.def (TV_IPA_HSA): New.
8271 * hsa-brig-format.h: New file.
8272 * hsa-brig.c: New file.
8273 * hsa-dump.c: Likewise.
8274 * hsa-gen.c: Likewise.
8277 * toplev.c (compile_file): Call hsa_output_brig.
8278 * hsa-regalloc.c: New file.
8280 2016-01-18 Jeff Law <law@redhat.com>
8282 PR tree-optimization/69320
8283 * tree-ssa-dom.c (record_edge_info): For comparisons against a boolean
8284 ranged object, do nothing if the RHS constant is not [0..1].
8285 (optimize_stmt): Comparing a boolean ranged object against a
8286 constant outside [0..1] results in a compile-time constant.
8288 * tree-ssanames.c (ssa_name_has_boolean_range): Remove unnecessary
8291 2016-01-18 Sandra Loosemore <sandra@codesourcery.com>
8293 * doc/invoke.texi (Invoking GCC): Add new section to menu.
8294 (Option Summary): Update to reflect new section and moved options.
8295 (C++ Dialect Options): Move -fstats to new section.
8296 (Debugging Options): Move all dump, statistics, and other GCC
8297 developer options to new section. Rewrite section introduction
8298 and re-order remaining options to put the more basic ones first.
8299 (Optimization Options): Move -fira-verbose and -flto-report* to
8301 (Developer Options): New section incorporating moved options.
8302 * doc/cppopts.texi (-dM): Update cross-reference.
8304 2016-01-18 Richard Henderson <rth@redhat.com>
8307 * config/aarch64/aarch64.md (add<GPI>3): Move long immediate
8308 operands to pseudo only if CSE is expected. Split long immediate
8309 operands only after reload, and for the stack pointer.
8310 (*add<GPI>3_pluslong): Remove.
8311 (*addsi3_aarch64, *adddi3_aarch64): Merge into...
8312 (*add<GPI>3_aarch64): ... here. Add r/rk/Upl alternative.
8313 (*addsi3_aarch64_uxtw): Add r/rk/Upl alternative.
8314 (*add<GPI>3 peepholes): New.
8315 (*add<GPI>3 splitters): New.
8316 * config/aarch64/constraints.md (Upl): New.
8317 * config/aarch64/predicates.md (aarch64_pluslong_strict_immedate): New.
8319 2016-01-18 Richard Biener <rguenther@suse.de>
8321 PR tree-optimization/69297
8322 * tree-vect-slp.c (vect_bb_slp_scalar_cost): Count each scalar
8324 (vect_bb_vectorization_profitable_p): Clear visited flag again.
8326 2016-01-18 Yuri Rumyantsev <ysrumyan@gmail.com>
8329 * fold-const.c (fold_binary_op_with_conditional_arg): Bail out for case
8330 of mixind vector and scalar types.
8331 (fold_relational_const): Add handling of vector
8332 comparison with boolean result.
8333 * tree-cfg.c (verify_gimple_comparison): Add argument CODE, allow
8334 comparison of vector operands with boolean result for EQ/NE only.
8335 (verify_gimple_assign_binary): Adjust call for verify_gimple_comparison.
8336 (verify_gimple_cond): Likewise.
8337 * tree-vrp.c (extract_code_and_val_from_cond_with_ops): Modify check on
8340 2016-01-18 Joseph Myers <joseph@codesourcery.com>
8342 * config/mips/mips.h (ISA_HAS_PAIRED_SINGLE): Require
8345 2016-01-18 Richard Biener <rguenther@suse.de>
8348 * gimple.c (gimple_could_trap_p_1): Handle GIMPLE_COND.
8350 2016-01-18 Tom de Vries <tom@codesourcery.com>
8352 * passes.def: Add pass_parallelize_loops to pass_oacc_kernels.
8354 2016-01-18 Tom de Vries <tom@codesourcery.com>
8356 * omp-low.c (set_oacc_fn_attrib): Make extern.
8357 * omp-low.h (set_oacc_fn_attrib): Declare.
8358 * tree-parloops.c (struct reduction_info): Add reduc_addr field.
8359 (create_call_for_reduction_1): Handle case that reduc_addr is non-NULL.
8360 (create_parallel_loop, gen_parallel_loop, try_create_reduction_list):
8361 Add and handle function parameter oacc_kernels_p.
8362 (find_reduc_addr, get_omp_data_i_param): New function.
8363 (ref_conflicts_with_region, oacc_entry_exit_ok_1)
8364 (oacc_entry_exit_single_gang, oacc_entry_exit_ok): New function.
8365 (parallelize_loops): Add and handle function parameter oacc_kernels_p.
8366 Calculate dominance info. Skip loops that are not in a kernels region
8367 in oacc_kernels_p mode. Skip inner loops of parallelized loops.
8368 (pass_parallelize_loops::execute): Call parallelize_loops with
8369 oacc_kernels_p argument.
8370 (pass_parallelize_loops::clone, pass_parallelize_loops::set_pass_param):
8371 New member function.
8372 (pass_parallelize_loops::bool oacc_kernels_p): New member var.
8373 * passes.def: Add argument to pass_parallelize_loops instantation.
8375 2016-01-18 Tom de Vries <tom@codesourcery.com>
8377 * tree-parloops.c (pass_parallelize_loops::execute): Allow
8378 pass_parallelize_loops to be run outside the loop pipeline.
8380 2016-01-18 Alan Lawrence <alan.lawrence@arm.com>
8382 * tree-scalar-evolution.c (follow_copies_to_constant): New.
8383 (analyze_initial_condition, analyze_scalar_evolution_1): Call previous.
8385 2016-01-18 Alan Lawrence <alan.lawrence@arm.com>
8388 * tree-ssa-scopedtables.c (avail_expr_hash): Hash MEM_REF and ARRAY_REF
8389 using get_ref_base_and_extent.
8390 (equal_mem_array_ref_p): New.
8391 (hashable_expr_equal_p): Add call to previous.
8393 2016-01-18 Alan Lawrence <alan.lawrence@arm.com>
8396 * tree-sra.c (disqualified_constants, constant_decl_p): New.
8397 (sra_initialize): Allocate disqualified_constants.
8398 (sra_deinitialize): Free disqualified_constants.
8399 (disqualify_candidate): Update disqualified_constants when appropriate.
8400 (create_access): Scan for constant-pool entries as we go along.
8401 (scalarizable_type_p): Add check against type_contains_placeholder_p.
8402 (maybe_add_sra_candidate): Allow constant-pool entries.
8403 (load_assign_lhs_subreplacements): Bind debug for constant pool vars.
8404 (initialize_constant_pool_replacements): New.
8405 (sra_modify_assign): Avoid mangling assignments created by previous,
8406 and don't generate writes into constant pool.
8407 (sra_modify_function_body): Call initialize_constant_pool_replacements.
8409 2016-01-18 Ilya Enkovich <enkovich.gnu@gmail.com>
8411 * config/i386/i386.c (scalar_to_vector_candidate_p): Support
8413 (scalar_chain::convert_op): Likewise.
8414 * config/i386/i386.md (*andndi3_doubleword): New.
8416 2016-01-18 Richard Biener <rguenther@suse.de>
8418 PR tree-optimization/69170
8419 * tree-vect-slp.c (vect_build_slp_tree): Verify we are not
8420 building a vector from scalar results of a pattern stmt.
8422 2016-01-18 Jakub Jelinek <jakub@redhat.com>
8424 * haifa-sched.c (autopref_multipass_init): Work around
8425 -Wmaybe-uninitialized warning.
8427 2016-01-18 Thomas Preud'homme <thomas.preudhomme@arm.com>
8429 * config/arm/arm.c (thumb1_reorg): Check that the comparison is
8430 against the constant 0.
8432 2016-01-17 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
8434 PR tree-optimization/68799
8435 * gimple-ssa-strength-reduction.c (create_phi_basis): Directly
8436 look up phi candidates in the statement-candidate map.
8437 (phi_add_costs): Likewise.
8438 (record_phi_increments): Likewise.
8439 (phi_incr_cost): Likewise.
8440 (ncd_with_phi): Likewise.
8441 (all_phi_incrs_profitable): Likewise.
8443 2016-01-17 Jakub Jelinek <jakub@redhat.com>
8445 * omp-low.c (mark_loops_in_oacc_kernels_region): Work around
8446 -Wmaybe-uninitialized warning.
8448 2016-01-16 Sandra Loosemore <sandra@codesourcery.com>
8450 * doc/invoke.texi (Invoking GCC): Add new section to menu.
8451 (Option Summary): Update to reflect new section and moved options.
8452 (C++ Dialect Options): Move -fvtable-verify and related options.
8453 (Debugging Options): Move Sanitizer, Pointer Bounds Checker,
8454 and profiling-related options.
8455 (Optimization Options): Move profile generation options and
8456 -fstack-protector and related options.
8457 (Instrumentation Options): New section incorporating moved options.
8458 (Code Generation Options): Move -finstrument-functions and
8459 related options, -fstack-check, -fstack-limit*, and -fbounds-check.
8461 2016-01-16 Tom de Vries <tom@codesourcery.com>
8463 * passes.def: Move pass_expand_omp_ssa out of pass_parallelize_loops.
8465 2016-01-16 Tom de Vries <tom@codesourcery.com>
8467 * omp-low.c (expand_omp_atomic_fetch_op): Release defs of update stmt.
8469 2016-01-16 Richard Sandiford <richard.sandiford@arm.com>
8471 * hash-table.h (hash_table::empty): Turn into an inline wrapper
8472 that checks whether the table is already empty. Rename the
8473 original implementation to...
8474 (hash_table::empty_slot): ...this new private function.
8476 2016-01-15 David Malcolm <dmalcolm@redhat.com>
8479 * diagnostic-show-locus.c (layout::print_source_line): Move x
8480 offset of line until after call to
8481 get_line_width_without_trailing_whitespace.
8483 2016-01-15 Jeff Law <law@redhat.com>
8485 PR tree-optimization/69270
8486 * tree-ssanames.c (ssa_name_has_boolean_range): Moved here from
8487 tree-ssa-dom.c. Improve test for [0..1] ranve from VRP.
8488 * tree-ssa-dom.c (ssa_name_has_boolean_range): Remove.
8489 * tree-ssanames.h (ssa_name_has_boolean_range): Prototype.
8490 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
8491 ssa_name_has_boolean_range and constant_boolean_node.
8493 2016-01-15 Vladimir Makarov <vmakarov@redhat.com>
8495 PR rtl-optimization/69030
8496 * lra-spills.c (remove_pseudos): Check nrefs and make the function
8498 (spill_pseudos): Delete debug insn for dead pseudo.
8499 (lra_spill): Initiate spill_hard_reg and slots memory separately.
8501 2016-01-15 Jiong Wang <jiong.wang@arm.com>
8503 * config/aarch64/aarch64-builtins.c (aarch64_types_unopus_qualifiers):
8505 (TYPES_UNOPUS): Likewise.
8506 * config/aarch64/aarch64-simd-builtins.def (lbtruncuv2sf): Correct
8507 builtin type, from UNOP to UNOPUS.
8508 (lbtruncuv4sf): Likewise.
8509 (lbtruncuv2df): Likewise.
8510 (lrounduv2sf): Likewise.
8511 (lrounduv4sf): Likewise.
8512 (lrounduv2df): Likewise.
8513 (lroundusf): Likewise.
8514 (lroundusf): Likewise.
8515 (lceiluv2sf): Likewise.
8516 (lceiluv4sf): Likewise.
8517 (lceiluv2df): Likewise.
8518 (lceilusf): Likewise.
8519 (lceiludf): Likewise.
8520 (lflooruv2sf): Likewise.
8521 (lflooruv4sf): Likewise.
8522 (lflooruv2df): Likewise.
8523 (lfloorusf): Likewise.
8524 (lfloorudf): Likewise.
8525 (lfrintnuv2sf): Likewise.
8526 (lfrintnuv4sf): Likewise.
8527 (lfrintnuv2df): Likewise.
8528 (lfrintnusf): Likewise.
8529 (lfrintnudf): Likewise.
8530 * config/aarch64/arm_neon.h (vcvt_u32_f32): Remove unncessary type
8532 (vcvtq_u32_f32): Likewise.
8533 (vcvtq_u64_f64): Likewise.
8534 (vcvta_u32_f32): Likewise.
8535 (vcvtaq_u32_f32): Likewise.
8536 (vcvtaq_u64_f64): Likewise.
8537 (vcvtm_u32_f32): Likewise.
8538 (vcvtmq_u32_f32): Likewise.
8539 (vcvtmq_u64_f64): Likewise.
8540 (vcvtn_u32_f32): Likwise.
8541 (vcvtnq_u32_f32): Likewise.
8542 (vcvtnq_u64_f64): Likewise.
8543 (vcvtp_u32_f32): Likewise.
8544 (vcvtpq_u32_f32): Likewise.
8545 (vcvtpq_u64_f64): Likewise.
8546 (vcvtmd_u64_f64): Likewise.
8547 (vcvtms_u32_f32): Likewise.
8548 (vcvtad_u64_f64): Likewise.
8549 (vcvtas_u32_f32): Likewise.
8550 (vcvtnd_u64_f64): Likewise.
8551 (vcvtns_u32_f32): Likewise.
8552 (vcvtpd_u64_f64): Likewise.
8553 (vcvtps_u32_f32): Likewise.
8555 2016-01-15 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
8557 * config/aarch64/aarch64.c (aarch64_if_then_else_costs): Handle
8558 CSEL of zero_extended registers.
8560 2016-01-15 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
8562 * config/aarch64/aarch64.c (aarch64_rtx_costs, COMPARE case):
8563 Handle COMPARE of ZERO_EXTRACT against zero form of TST-immediate.
8565 2016-01-15 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
8567 * config/aarch64/aarch64.c (aarch64_process_one_target_attr): Return
8568 false when argument string is not found in the attributes table
8571 2016-01-15 David Edelsohn <dje.gcc@gmail.com>
8574 * config/rs6000/rs6000.c (rs6000_emit_msub): Delete.
8575 (rs6000_emit_swsqrt): Convert to Goldschmidt's Algorithm
8576 * config/rs6000/rs6000.md (sqrt<mode>2): Limit swsqrt to high
8579 2016-01-15 Richard Biener <rguenther@suse.de>
8581 PR tree-optimization/66856
8582 * tree-vect-loop.c (vect_transform_loop): Free SLP instances here.
8583 * tree-vect-slp.c (vect_free_slp_tree): Decrement stmt reference count.
8584 (vect_create_new_slp_node): Increment stmt reference count.
8585 (vect_get_and_check_slp_defs): Make sure stmts are nor already in
8586 an SLP tree before swapping operands.
8587 (vect_build_slp_tree): Likewise.
8588 (destroy_bb_vec_info): Free stmt info after SLP instances.
8589 * tree-vect-stmts.c (new_stmt_vec_info): Initialize reference count.
8590 * tree-vectorizer.h (struct _stmt_vec_info): Add num_slp_uses field.
8591 (STMT_VINFO_NUM_SLP_USES): New macro.
8593 2016-01-15 Richard Biener <rguenther@suse.de>
8596 * dwarf2out.c (add_linkage_name_raw): New function split out from ...
8597 (add_linkage_name): ... here.
8598 (gen_typedef_die): Use add_linkage_name_raw instead of
8599 add_linkage_attr to delay DECL_ASSEMBLER_NAME computation
8602 2016-01-15 Cesar Philippidis <cesar@codesourcery.com>
8604 * gimplify.c (oacc_default_clause): Decode reference and pointer
8605 types for both kernels and parallel regions.
8607 2016-01-15 Richard Sandiford <richard.sandiford@arm.com>
8610 * calls.c (emit_call_1): Force n_popped to zero for sibcalls.
8612 2016-01-15 Ilya Enkovich <enkovich.gnu@gmail.com>
8614 * config/i386/i386.c (scalar_chain::compute_convert_gain): Fix typo.
8615 (convert_scalars_to_vector): Likewise.
8617 2016-01-15 Jonathan Wakely <jwakely@redhat.com>
8619 * doc/extend.texi (Type Traits): Fix grammar.
8621 2016-01-15 Martin Jambor <mjambor@suse.cz>
8623 * tree-inline.c (remap_decl): Use existing dclarations if
8624 remapping a type and prevent_decl_creation_for_types.
8625 (replace_locals_stmt): Do an initial remapping of non-VLA typed
8626 decls first. Do real remapping with
8627 prevent_decl_creation_for_types set.
8628 * tree-inline.h (copy_body_data): New field
8629 prevent_decl_creation_for_types, moved remap_var_for_cilk to avoid
8632 2016-01-15 Dominik Vogt <vogt@linux.vnet.ibm.com>
8634 * config/s390/s390.opt (mmvcle): More verbose help text.
8636 2016-01-15 Dominik Vogt <vogt@linux.vnet.ibm.com>
8638 * config/s390/s390.opt: Add period to -mzvector option text.
8640 2016-01-15 Richard Biener <rguenther@suse.de>
8642 PR tree-optimization/68961
8643 * tree-vect-slp.c (vect_analyze_slp_cost_1): Consider cost
8644 of invariants in stores again.
8646 2016-01-15 Sebastian Huber <sebastian.huber@embedded-brains.de>
8648 * config/arm/t-rtems: Add cortex-m7/fpv5-d16 multilib.
8650 2016-01-15 Ilya Enkovich <enkovich.gnu@gmail.com>
8652 * config/i386/i386.c (ix86_expand_branch): Don't split
8653 DI mode xor instruction to SI mode.
8655 2016-01-15 Jan Hubicka <hubicka@ucw.cz>
8658 * ipa-icf.c (sem_function::merge): Virtual functions may become
8659 reachable even if they address is not taken and there are no
8662 2016-01-15 Jan Hubicka <hubicka@ucw.cz>
8664 * lto-streamer-out.c (subtract_estimated_size): New function.
8665 (get_symbol_initial_value): Use it.
8667 2016-01-15 Christian Bruel <christian.bruel@st.com>
8670 * config/arm/arm-builtins.c (ARM_BUILTIN_CRYPTO_BASE): New enum tag.
8671 (arm_init_neon_builtins_internal): Rename arm_init_neon_builtins,
8672 (arm_init_crypto_builtins_internal): Rename arm_init_crypto_builtins.
8673 use add_builtin_function_ext_scope instead of add_builtin_function.
8674 (neon_set_p, neon_crypto_set_p): Remove.
8675 (arm_init_builtins): Always call arm_init_neon_builtins and
8676 arm_init_crypto_builtins.
8677 (arm_expand_builtin): Check that builtins are allowed for the arch.
8678 * config/arm/arm-protos.h (arm_init_neon_builtins): Remove prototype.
8679 * config/arm/arm.c (arm_valid_target_attribute_tree): Remove
8680 arm_init_neon_builtins call.
8682 2016-01-15 Richard Biener <rguenther@suse.de>
8684 PR tree-optimization/69117
8685 * tree-ssa-sccvn.h (struct vn_ssa_aux): Add info member.
8686 * tree-ssa-sccvn.c (set_ssa_val_to): Save and adjust SSA name info
8687 of the leader conservatively.
8688 (free_scc_vn): Restore original SSA name infos.
8690 2016-01-14 Jeff Law <law@redhat.com>
8692 PR tree-optimization/69270
8693 * tree-ssa-dom.c (ssa_name_has_boolean_range): If the type has a
8694 single bit of precision, verify it's also unsigned.
8695 (record_edge_info): Use constant_boolean_node rather than fold_convert
8696 to convert boolean_true/boolean_false to the right type.
8698 2016-01-14 Richard Henderson <rth@redhat.com>
8701 * loop-doloop.c (record_reg_sets): New.
8702 (doloop_optimize): Reject the transform if the sequence
8703 clobbers registers live at the end of the loop block.
8704 (doloop_optimize_loops): Enable df_live if needed.
8706 2016-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
8708 * config/rs6000/rs6000-builtin.def: Revert 2016-01-13 change.
8709 * gcc/config/rs6000/rs6000.c: Likewise.
8710 * gcc/config/rs6000/rs6000.h: Likewise.
8711 * gcc/config/rs6000/rs6000.md: Likewise.
8712 * gcc/doc/extend.texi: Likewsie.
8714 2016-01-14 Jeff Law <law@redhat.com>
8716 * tree-ssa-dom.c (ssa_name_has_boolean_range): Fix comment
8719 2016-01-14 Richard Henderson <rth@redhat.com>
8723 * trans-mem.c (tm_log_emit_stmt): Fix unit size to bit size.
8724 * tree.c (build_tm_vector_builtins): Use builtin_decl_explicit_p
8725 instead of builtin_decl_declared_p to test for declaration.
8727 2016-01-14 Nicklas Bo Jensen <nbjensen@gmail.com>
8729 * doc/loop.texi (Loop Analysis and Representation): Document
8730 loop_depth function.
8732 2016-01-14 Tom de Vries <tom@codesourcery.com>
8734 PR tree-optimization/68773
8735 * omp-low.c (expand_omp_target): Don't set force_output.
8736 * varpool.c (varpool_node::get_create): Same.
8737 * lto-cgraph.c (input_offload_tables): Mark entries in offload_vars and
8738 offload_funcs with force_output.
8740 2016-01-14 Jakub Jelinek <jakub@redhat.com>
8743 * lra-eliminations.c (move_plus_up): Don't change anything if either
8744 the outer or inner subreg mode is not MODE_INT.
8745 * dwarf2out.c (mem_loc_descriptor): For SUBREG, if outer mode is
8746 integral <= DWARF2_ADDR_SIZE, convert to untyped afterwards.
8748 2016-01-14 Alan Lawrence <alan.lawrence@arm.com>
8750 * doc/md.texi (reduc_smin_@var{m}, reduc_smax_@var{m},
8751 reduc_umin_@var{m}, reduc_umax_@var{m}, reduc_splus_@var{m},
8752 reduc_uplus_@var{m}): Remove.
8753 * expr.c (expand_expr_real_2): Remove expansion path for
8754 reduc_[us](min|max|plus) optabs.
8755 * optabs-tree.c (scalar_reduc_to_vector): Remove.
8756 * optabs-tree.h (scalar_reduc_to_vector): Remove.
8757 * optabs.def (reduc_smax_optab, reduc_smin_optab, reduc_splus_optab,
8758 reduc_umax_optab, reduc_umin_optab, reduc_uplus_optab): Remove.
8759 * tree-vect-loop.c (vectorizable_reduction): Remove test for
8760 reduc_[us](min|max|plus) optabs.
8762 2016-01-14 Alan Lawrence <alan.lawrence@arm.com>
8764 * config/mips/mips-ps-3d.md (reduc_splus_v2sf): Remove.
8765 (reduc_plus_scal_v2sf): New.
8766 (reduc_smax_v2sf): Rename to...
8767 (reduc_smax_scal_v2sf): ...here, make result SFmode, add vec_extract.
8768 (reduc_smin_v2sf): Rename to...
8769 (reduc_smin_scal_v2sf): ...here, make result SFmode, add vec_extract.
8771 2016-01-14 Jan Hubicka <hubicka@ucw.cz>
8773 * alias.c (compare_base_symbol_refs): New function.
8774 (rtx_equal_for_memref_p, base_alias_check, memrefs_conflict_p): Use
8777 2016-01-14 Jakub Jelinek <jakub@redhat.com>
8780 PR tree-optimization/69155
8781 * tree-complex.c: Include cfganal.h.
8782 (phis_to_revisit): New variable.
8783 (extract_component): Add phiarg_p argument. Assert that returned
8784 SSA_NAME has non-NULL SSA_NAME_DEF_STMT unless phiarg_p is true.
8785 (update_phi_components): Partly rewrite to use loop over real/imag
8786 components instead of code duplication. If extract_component returns
8787 SSA_NAME with NULL SSA_NAME_DEF_STMT, store SSA_NAME_VAR or
8788 create_tmp_reg into the PHI node instead, and mention the phi triplet
8790 (tree_lower_complex): Walk bbs in rpo order. Adjust phis recorded
8791 in phis_to_revisit at the end.
8793 2016-01-14 Richard Biener <rguenther@suse.de>
8795 PR tree-optimization/68060
8796 * tree-vect-loop.c (vect_is_simple_reduction): Check the
8797 outer loop reduction is only used in the inner loop before
8798 detecting a double reduction.
8800 2016-01-14 Jakub Jelinek <jakub@redhat.com>
8803 * combine.c (expand_field_assignment): Punt if compute_mode is
8804 unsupported scalar mode.
8806 2016-01-14 Richard Biener <rguenther@suse.de>
8808 PR tree-optimization/66856
8809 * tree-vect-slp.c (vect_build_slp_tree): Refactor to build
8810 SLP node only if it built successfully.
8811 (vect_analyze_slp_instance): Adjust.
8813 2016-01-14 Jeff Law <law@redhat.com>
8815 PR tree-optimization/69270
8816 * tree-ssa-dom.c (ssa_name_has_boolean_range): New function.
8817 (record_edge_info): Use it. Convert boolean_{true,false}_node
8820 2016-01-13 Jan Hubicka <hubicka@ucw.cz>
8823 * ipa-polymorphic-call.c (inlined_polymorphic_ctor_dtor_block_p):
8824 use block_ultimate_origin
8825 (noncall-stmt_may_be_vtbl_ptr_store): Likewise.
8827 2016-01-13 Sandra Loosemore <sandra@codesourcery.com>
8829 * doc/invoke.texi (Submodel Options): Rename section to
8830 "Machine-Dependent Options" to better reflect its content.
8831 Rewrite introductory text to remove archaic CPU names.
8834 2016-01-13 Sandra Loosemore <sandra@codesourcery.com>
8836 * doc/invoke.texi (Code Gen Options): Move section up in file,
8837 before target-specific options. Update menu and option summary
8838 to reflect the new section ordering.
8840 2016-01-13 Jonathan Wakely <jwakely@redhat.com>
8842 * doc/invoke.texi (C Dialect Options): Adjust -std default for C++.
8843 (C++ Dialect Options): Add cross-reference to -std option.
8844 * doc/standards.texi (C++ Language): Document C++14 support.
8846 2016-01-13 Michael Meissner <meissner@linux.vnet.ibm.com>
8848 * config/rs6000/rs6000-builtin.def (BU_FLOAT128_2): Add support
8849 for pack/unpack functions for __ibm128.
8850 (PACK_IF): Likewise.
8851 (UNPACK_IF): Likewise.
8853 * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Add
8854 support for __ibm128 pack/unpack functions.
8855 (rs6000_invalid_builtin): Likewise.
8856 (rs6000_init_builtins): Likewise.
8857 (rs6000_opt_masks): Likewise.
8859 * config/rs6000/rs6000.h (MASK_FLOAT128): Add short name.
8860 (RS6000_BTM_FLOAT128): Add support for __ibm128 pack/unpack
8862 (RS6000_BTM_COMMON): Likewise.
8864 * config/rs6000/rs6000.md (f128_vsx): New mode attribute.
8865 (unpack<mode>): Use FMOVE128_FPR iterator instead of FMOVE128, to
8866 disallow __builtin_{pack,unpack}_longdouble if long double is IEEE
8867 128-bit floating point. Add support for the double values to be
8868 in Altivec registers for TF/IF packing and unpacking, but restrict
8869 TD packing sub-fields to be FPR registers. Don't allow overlapped
8870 register support for packing. Allow pack inputs to be memory
8871 locations. Don't build generator functions for unpack<mode>_dm
8872 and unpack<mode>_nodm.
8873 (unpack<mode>_dm): Likewise.
8874 (unpack<mode>_nodm): Likewise.
8875 (pack<mode>): Likewise.
8877 * config/rs6000/rs6000-builtin.def (__builtin_pack_ibm128): Add
8878 built-in functions to pack/unpack explicit __ibm128 values.
8879 (__builtin_unpack_ibm128): Likewise.
8881 * doc/extend.texi (PowerPC Built-in Functions): Document
8882 __builtin_pack_ibm128 and __builtin_unpack_ibm128.
8884 2016-01-13 Bernd Schmidt <bschmidt@redhat.com>
8887 * c-common.c (check_function_nonnull): Remove unnecessary declaration.
8888 Add new arg loc and pass it down as context.
8889 (check_nonnull_arg): Don't mark ctx arg as unused. Use it as a pointer
8890 to the location to use for the warning.
8891 (check_function_arguments): New arg loc. All callers changed. Pass
8892 it to check_function_nonnull.
8893 * c-common.h (check_function_arguments): Adjust declaration.
8895 2016-01-13 Jakub Jelinek <jakub@redhat.com>
8897 PR tree-optimization/69156
8898 * gimple.c (validate_type): Removed.
8899 (gimple_builtin_call_types_compatible_p): Use
8900 useless_type_conversion_p instead of validate_type.
8901 * value-prof.c (gimple_stringop_fixed_value): Fold
8902 icall_size to correct type.
8904 2016-01-13 Jonathan Wakely <jwakely@redhat.com>
8906 * doc/extend.texi (__atomic Builtins): Clarify compare_exchange
8909 2016-01-13 Richard Henderson <rth@redhat.com>
8912 * target.def (builtin_tm_load, builtin_tm_store): Remove.
8913 * config/i386/i386.c (ix86_builtin_tm_load): Remove.
8914 (ix86_builtin_tm_store): Remove.
8915 (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
8916 (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
8917 * doc/tm.texi.in (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
8918 (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
8919 * doc/tm.texi: Rebuild.
8921 * gtm-builtins.def (BUILT_IN_TM_MEMCPY_RNWT): New.
8922 (BUILT_IN_TM_MEMCPY_RTWN): New.
8923 * trans-mem.c (tm_log_emit_stmt): Rearrange code for better
8924 fallback from vector to integer helpers.
8925 (build_tm_load): Handle vector types directly, instead of
8927 (build_tm_store): Likewise.
8928 (expand_assign_tm): Prepare for register types not handled by
8929 the above. Copy them to memory and use memcpy.
8930 * tree.c (tm_define_builtin): New.
8931 (find_tm_vector_type): New.
8932 (build_tm_vector_builtins): New.
8933 (build_common_builtin_nodes): Call it.
8935 2016-01-13 Uros Bizjak <ubizjak@gmail.com>
8937 * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Return -1 for
8938 TARGET_SSE_MATH without TARGET_SSE2. Rewrite.
8940 2016-01-13 Tom de Vries <tom@codesourcery.com>
8942 PR tree-optimization/69169
8943 * tree-ssa-structalias.c (create_variable_info_for_1): Add and handle
8944 handled_struct_type param.
8945 (create_variable_info_for, intra_create_variable_infos): Call
8946 create_variable_info_for_1 with extra arg.
8948 2016-01-13 Yvan Roux <yvan.roux@linaro.org>
8950 * config/arm/arm-arches.def: Remove spurious whitespace in "armv8.1-a"
8951 and "armv8.1-a+crc" entries.
8953 2016-01-13 Alexander Fomin <alexander.fomin@intel.com>
8956 * config/i386/sse.md (define_expand "avx512pf_gatherpf<mode>sf"):
8957 Change first operand predicate from register_or_constm1_operand
8958 to register_operand.
8959 (define_expand "avx512pf_gatherpf<mode>df"): Likewise.
8960 (define_expand "avx512pf_scatterpf<mode>sf"): Likewise.
8961 (define_expand "avx512pf_scatterpf<mode>df"): Likewise.
8962 (define_insn "*avx512pf_gatherpf<mode>sf"): Remove.
8963 (define_insn "*avx512pf_gatherpf<mode>df"): Likewise.
8964 (define_insn "*avx512pf_scatterpf<mode>sf"): Likewise.
8965 (define_insn "*avx512pf_scatterpf<mode>df"): Likewise.
8966 * config/i386/i386.c (ix86_expand_builtin): Remove first operand
8967 comparison with constm1_rtx from vec_prefetch_gen part.
8969 2016-01-13 Richard Biener <rguenther@suse.de>
8971 PR tree-optimization/69013
8972 * tree-ssa-uninit.c (prune_uninit_phi_opnds_in_unrealizable_paths):
8973 Exchange assert for a test.
8975 2016-01-13 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
8978 * config/s390/s390.md (bswaphi splitter): Use simplify_gen_subreg.
8980 2016-01-13 Richard Biener <rguenther@suse.de>
8982 PR tree-optimization/69242
8983 * tree-ssa-sccvn.c (visit_reference_op_load): Replace bogus
8984 assert with a check.
8986 2016-01-13 Richard Biener <rguenther@suse.de>
8988 PR tree-optimization/69186
8989 * tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
8990 Properly guard vect_update_misalignment_for_peel call.
8992 2016-01-12 Jeff Law <law@redhat.com>
8994 PR tree-optimization/pr67755
8995 * tree-ssa-threadupdate.c (struct ssa_local_info_t): Add new field
8996 "need_profile_correction".
8997 (thread_block_1): Initialize new field to false by default. If we
8998 have multiple thread paths through a common joiner to different
8999 final targets, then set new field to true.
9000 (compute_path_counts): Only do count adjustment when it's really
9003 2016-01-12 Sandra Loosemore <sandra@codesourcery.com>
9005 * doc/invoke.texi (Spec Files): Move section down in file, past
9006 all command-line option descriptions.
9008 2016-01-12 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
9011 * doc/gty.texi: Remove documentation of mark_hook.
9012 * gengtype.c (struct write_types_data): Remove code to support
9013 mark_hook attribute.
9014 (walk_type): Likewise.
9015 (write_func_for_structure): Likewise.
9017 2016-01-12 Sandra Loosemore <sandra@codesourcery.com>
9019 * doc/invoke.texi (Option Summary) Move -no-canonical-prefixes to
9020 Directory Options, and -specs= to Overall Options.
9021 (Overall Options): Adjust similarly. Reorder to group related
9022 options together. Make -specs= cross-reference the spec file details.
9023 (Directory Options): Adjust similarly.
9025 2016-01-12 Jeff Law <law@redhat.com>
9027 * tree-ssa-threadupdate.c: Various whitespace and typo fixes.
9029 2016-01-12 Olivier Hainque <hainque@adacore.com>
9031 * gcc.c (spec_undefvar_allowed): New global.
9032 (process_command): Set to true when running for --version or --help,
9034 (getenv_spec_function): When the variable is not defined, use the
9035 variable name as the variable value if we're allowed not to issue
9038 2016-01-12 Bin Cheng <bin.cheng@arm.com>
9040 PR tree-optimization/68911
9041 * tree-vrp.c (adjust_range_with_scev): Check overflow in range
9042 information computed for expression "init + nit * step".
9044 2016-01-12 Sandra Loosemore <sandra@codesourcery.com>
9046 * doc/invoke.texi (Invoking GCC): Copy-edit. Incorporate information
9047 about name of GCC executable. Remove deleted node from menu.
9048 (Directory Options) <-B>: Remove cross-reference to deleted node.
9049 (Target Options): Delete section.
9051 2016-01-12 Christian Bruel <christian.bruel@st.com>
9054 * config/arm/arm-c.c (arm_pragma_target_parse): Set NODE_CONDITIONAL
9055 for __ARM_NEON_FP, __ARM_FP, _ARM_FEATURE_LDREX.
9057 2016-01-12 Jakub Jelinek <jakub@redhat.com>
9060 * config/i386/i386.c (ix86_expand_special_args_builtin): Ensure
9061 aligned_mem is properly set for AVX512-VL floating point masked
9065 * ifcvt.c (cond_exec_process_if_block): When removing the last
9066 insn from then_bb, remove also any possible barriers that follow it.
9068 2016-01-12 H.J. Lu <hongjiu.lu@intel.com>
9072 * config/i386/iamcu.h (SIZE_TYPE): New macro.
9073 (PTRDIFF_TYPE): Likewise.
9074 (WCHAR_TYPE): Likewise.
9075 (WCHAR_TYPE_SIZE): Likewise.
9076 (STDINT_LONG32): Likewise.
9078 2016-01-12 Richard Biener <rguenther@suse.de>
9080 PR tree-optimization/69053
9081 * tree-vect-loop.c (get_initial_def_for_reduction): Properly
9082 convert initial value for cond reductions.
9084 2016-01-12 Richard Biener <rguenther@suse.de>
9086 PR tree-optimization/69007
9087 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Move
9088 widen_sum after dot_prod and sad.
9090 2016-01-12 Richard Biener <rguenther@suse.de>
9092 PR tree-optimization/69168
9093 * tree-vect-loop.c (vect_analyze_loop_2): Reset both main and
9094 pattern stmt SLP type.
9095 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Patterns may
9096 end up unused so cope with that case.
9098 2016-01-12 Richard Biener <rguenther@suse.de>
9100 PR tree-optimization/69157
9101 * tree-vect-stmts.c (vectorizable_mask_load_store): Check
9102 stmts def type only during analyze phase.
9103 (vectorizable_call): Likewise.
9104 (vectorizable_simd_clone_call): Likewise.
9105 (vectorizable_conversion): Likewise.
9106 (vectorizable_assignment): Likewise.
9107 (vectorizable_shift): Likewise.
9108 (vectorizable_operation): Likewise.
9109 (vectorizable_store): Likewise.
9110 (vectorizable_load): Likewise.
9112 2016-01-12 Richard Biener <rguenther@suse.de>
9114 PR tree-optimization/69174
9115 * tree-vect-stmts.c (vect_mark_relevant): Remove excessive vertical
9117 (vectorizable_load): Properly compute the number of loads needed
9118 for permuted strided SLP loads and do not spuriously assign
9119 to SLP_TREE_VEC_STMTS.
9121 2016-01-12 Andris Pavenis <andris.pavenis@iki.fi>
9123 * config/i386/djgpp.h (PREFERRED_DEBUGGING_TYPE): Define to DWARF2
9124 (TARGET_ASM_OUTPUT_IDENT): Define to default_asm_output_ident_directive
9125 (MD_EXEC_PREFIX): Remove.
9126 (MD_STARTFILE_PREFIX) Removee.
9127 (FILE_NAME_ABSOLUTE_P): Remove.
9128 (CPP_SPEC): Do not read macros from sys/version.h.
9129 (LINK_COMMAND_SPEC): Remove.
9130 (LOCAL_INCLUDE_DIR): Remove.
9131 (TARGET_ASM_NAMED_SECTION): Define to i386_djgpp_asm_named_section
9132 (TARGET_OS_CPP_BUILTINS): Add DJGPP (non ISO only), __DJGPP, __DJGPP__, unix.
9133 (POST_LINK_SPEC): Define to invoke stubify after linker
9134 (LIBSTDCXX): Remove define
9135 (DBX_REGISTER_NUMBER): Define to svr4_dbx_register_map.
9136 (DEFAULT_PCC_STRUCT_RETURN): Define to 1.
9137 (SUBTARGET_OVERRIDE_OPTIONS): Remove warning about -mbnu2210.
9138 (SUBTARGET_OVERRIDE_OPTIONS): Ignore -fPIC and generate message.
9139 (SUBTARGET_OVERRIDE_OPTIONS): Default to DWARF2 debugging info.
9140 (IX86_MAYBE_NO_LIBGCC_TFMODE): Remove.
9141 (i386_djgpp_asm_named_section): Add propotype of new procedure
9143 * config/i386/xm-djgpp.h (NATIVE_SYSTEM_HEADER_DIR): Define.
9144 (MD_EXEC_PREFIX): Define (moved from config/i386/djgpp.h).
9145 (STANDARD_STARTFILE_PREFIX_1): Define (moved from MD_STARTFILE_PREFIX
9146 in config/i386/djgpp.h).
9147 (STANDARD_STARTFILE_PREFIX_2): Define identical to
9148 STANDARD_STARTFILE_PREFIX_1.
9149 (LOCAL_INCLUDE_DIR): Define (moved from config/i386/djgpp.h).
9150 (GCC_DRIVER_HOST_INITIALIZATION): Fix reporting fatal
9151 installation errors.
9152 (MAX_OFILE_ALIGNMENT): Define to 128.
9153 (HAVE_FTW_H): Undefine as DJGPP do not have nftw, but have ftw.h.
9155 * config/i386/djgpp.c: New file. Add implementation of
9156 i386_djgpp_asm_named_section.
9158 * config/i386/djgpp.opt: Remove obsolete option -mbnu210.
9160 * config/i386/t-djgpp: New file. Add djgpp.o to EXTRA_OBJS.
9161 Add rule for building djgpp.o.
9163 2016-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
9165 * config/rs6000/rs6000.c (v2df_reduction_p): New function.
9166 (rtx_is_swappable_p): Reductions are swappable.
9167 (insn_is_swappable_p): V2DF reductions are swappable.
9169 2016-01-11 John David Anglin <danglin@gcc.gnu.org>
9171 * config/pa/pa.c (pa_emit_move_sequence): Handle floating point
9172 reloads for other unsupported memory operands.
9174 2016-01-12 Kugan Vivekanandarajah <kuganv@linaro.org>
9175 Jim Wilson <jim.wilson@linaro.org>
9178 * config/arm/arm-builtins.c (arm_expand_neon_args): Call
9179 copy_to_mode_reg instead of force_reg.
9181 2016-01-11 H.J. Lu <hongjiu.lu@intel.com>
9184 * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Set to 2 only if
9185 TARGET_80387 is true.
9187 2016-01-11 Jakub Jelinek <jakub@redhat.com>
9190 * lra-eliminations.c (move_plus_up): Only move plus up
9191 if subreg of the constant can be simplified into constant
9192 and use the simplified subreg of the constant instead of
9193 the original constant.
9195 * fold-const.c (fold_convertible_p): Don't return true
9196 for conversion of VECTOR_TYPE to same sized integral type.
9197 (fold_convert_loc): Fix up formatting. Fold conversion of
9198 VECTOR_TYPE to same sized integral type using VIEW_CONVERT_EXPR
9199 instead of NOP_EXPR.
9201 PR tree-optimization/69214
9202 * tree-vrp.c (simplify_cond_using_ranges): Don't propagate
9203 innerop into a comparison if SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
9206 PR tree-optimization/69207
9207 * tree-vect-slp.c (vect_get_constant_vectors): For
9208 VECTOR_BOOLEAN_TYPE_P, assert op has integral type instead of
9209 fold_convertible_p to vector_type's element type, and always
9210 use VCE for non-VECTOR_BOOLEAN_TYPE_P.
9212 2016-01-11 Richard Biener <rguenther@suse.de>
9214 PR tree-optimization/69173
9215 * tree-vect-loop.c (vect_fixup_scalar_cycles_with_patterns): Only
9216 fixup the cycle if all stmts are in a pattern.
9218 2016-01-11 Uros Bizjak <ubizjak@gmail.com>
9221 * alias.c (base_alias_check): Move check for addresses with
9222 alignment ANDs before the call for compare_base_decls.
9223 (memrefs_conflict_p): Return -1 for different decls
9224 that went through alignment adjustments.
9226 2016-01-11 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
9228 PR rtl-optimization/68796
9229 * config/aarch64/aarch64.md (*and<mode>_compare0): New pattern.
9230 * config/aarch64/aarch64.c (aarch64_select_cc_mode): Handle HImode
9231 and QImode comparisons against zero with CC_NZmode.
9232 * config/aarch64/iterators.md (short_mask): New mode_attr.
9234 2016-01-11 H.J. Lu <hongjiu.lu@intel.com>
9236 * config/i386/sse.md (<avx512>_load<mode>_mask): Remove snprintf.
9237 (<avx512>_store<mode>_mask): Likewise.
9239 2016-01-11 Bernd Schmidt <bschmidt@redhat.com>
9240 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
9242 PR rtl-optimization/68841
9243 * ifcvt.c (struct noce_if_info): Add orig_x field.
9244 (bbs_ok_for_cmove_arith): Add to_rename parameter.
9245 Don't record conflicts on to_rename if it's present.
9246 Allow memory destinations in sets.
9247 (noce_try_cmove_arith): Call bbs_ok_for_cmove_arith even on simple
9248 blocks, passing orig_x to the checks.
9249 (noce_process_if_block): Set if_info->orig_x appropriately.
9251 2016-01-11 Tom de Vries <tom@codesourcery.com>
9253 PR tree-optimization/69069
9254 * tree-parloops.c (create_parallel_loop): Add missing phi args.
9256 2016-01-11 Yuri Rumyantsev <ysrumyan@gmail.com>
9258 PR rtl-optimization/68920
9259 * config/i386/i386.c (ix86_option_override_internal): Restrict number
9260 of conditional moves for RTL if-conversion to 1 for
9261 TARGET_ONE_IF_CONV_INSN.
9262 * config/i386/i386.h (TARGET_ONE_IF_CONV_INSN): New macros.
9263 * config/i386/x86-tune.def (X86_TUNE_ONE_IF_CONV_INSN): New macros.
9264 * params.def (PARAM_MAX_RTL_IF_CONVERSION_INSNS) : Introduce new
9265 parameter to restirct number of conditional moves for
9267 * doc/invoke.texi (max-rtl-if-conversion-insns): Document it.
9268 * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Limit number of
9271 2016-01-11 Alexandre Oliva <aoliva@redhat.com>
9274 * var-tracking.c (drop_overlapping_mem_locs): Operate on all
9275 onepart vars. Fix typo in comment. Fix reversed condition in
9277 (dataflow_set_remove_mem_locs): Operate on all onepart vars.
9280 * var-tracking.c (dump_onepart_variable_differences): New.
9281 (dataflow_set_different): If a detailed dump is requested,
9282 delay early returns and dump differences between onepart
9283 variables present before and after, and added variables.
9285 2016-01-11 Ilya Enkovich <enkovich.gnu@gmail.com>
9288 * expr.c (expand_expr_real_1): For boolean vector constants
9289 with a scalar mode use const_scalar_mask_from_tree.
9290 (const_scalar_mask_from_tree): New.
9291 * optabs.c (expand_vec_cond_mask_expr): Use mask mode
9292 assigned to a mask type to handle constants.
9294 2016-01-11 Martin Jambor <mjambor@suse.cz>
9297 * ipa-cp.c (estimate_local_effects): Do not clone for removal of
9298 useless parameters if we cannot change function signature.
9300 2016-01-11 Martin Jambor <mjambor@suse.cz>
9303 * cgraphclones.c (duplicate_thunk_for_node): Copy can_change_signature
9306 2016-01-11 Tom de Vries <tom@codesourcery.com>
9308 PR tree-optimization/69109
9309 * tree-parloops.c (try_transform_to_exit_first_loop_alt): Don't allow
9312 2016-01-11 Tom de Vries <tom@codesourcery.com>
9314 PR tree-optimization/69108
9315 * tree-parloops.c (gather_scalar_reductions): Handle case that outer phi
9316 res is not used in a phi.
9318 2016-01-11 Yury Gribov <y.gribov@samsung.com>
9321 * common.opt (frandom-seed): Fix parameter name.
9322 * doc/invoke.texi (frandom-seed): Ditto and describe parameter.
9324 2016-01-11 Tom de Vries <tom@codesourcery.com>
9326 PR tree-optimization/69058
9327 * tree-parloops.c (pass_parallelize_loops::execute): Return 0 if libgomp
9330 2016-01-11 Andrew Burgess <andrew.burgess@embecosm.com>
9332 * config/arc/arc.opt (mdiv-rem): Add period to the end.
9333 (mcode-density): Likewise.
9335 2016-01-10 Tom de Vries <tom@codesourcery.com>
9337 PR tree-optimization/69062
9338 * tree-parloops.c (loop_has_phi_with_address_arg): New function.
9339 (parallelize_loops): Don't paralelize loop that has phi with address
9342 2016-01-10 Tom de Vries <tom@codesourcery.com>
9344 PR tree-optimization/69039
9345 * tree-parloops.c (try_create_reduction_list): Only allow single exit
9348 2016-01-09 John David Anglin <danglin@gcc.gnu.org>
9351 * match.pd: Require target has function_c99_misc before doing
9352 truncl(extend(x)) and trunc(extend(x)) -> extend(truncf(x)), etc.
9354 2016-01-09 Gerald Pfeifer <gerald@pfeifer.com>
9356 * configure.ac (isl_options_set_schedule_serialize_sccs): Also
9358 * configure: Regenerate.
9360 2016-01-09 Jakub Jelinek <jakub@redhat.com>
9363 PR tree-optimization/69097
9364 * fold-const.h (expr_not_equal_to): New prototype.
9365 * fold-const.c: Include stringpool.h and tree-ssanames.h.
9366 (expr_not_equal_to): New function.
9367 * match.pd (X % -Y is the same as X % Y): Don't optimize
9368 unless X is known not to be equal to minimum or Y is known
9369 not to be equal to -1.
9370 * tree-vrp.c (simplify_div_or_mod_using_ranges): Add GSI argument.
9371 fold TRUNC_MOD_EXPR if the second argument is not a power of two.
9372 (simplify_stmt_using_ranges): Adjust caller.
9373 (vrp_finalize): Call set_value_range on SSA_NAMEs before calling
9374 substitute_and_fold.
9376 2016-01-09 Jan Hubicka <hubicka@ucw.cz>
9378 * ipa-icf.c (sem_item_optimizer::merge_classes): Do not ICE on VAR_DECL
9381 2016-01-08 Jakub Jelinek <jakub@redhat.com>
9383 PR tree-optimization/69167
9384 * gimple-fold.c (replace_stmt_with_simplification): Also punt if
9385 new SSA_NAME_OCCURS_IN_ABNORMAL_PHI SSA_NAMEs appear in operands of
9387 * gimple-match-head.c (maybe_push_res_to_seq): Likewise.
9389 2016-01-08 Alan Lawrence <alan.lawrence@arm.com>
9390 Richard Biener <rguenther@suse.de>
9392 PR tree-optimization/68707
9393 * tree-vect-slp.c (vect_analyze_slp_instance): Cancel permuted SLP
9394 instances that can be handled via vect_load_lanes.
9396 2016-01-08 Uros Bizjak <ubizjak@gmail.com>
9398 * symtab.c (symtab_node::equal_address_to): Return -1 instead of 2
9399 if we can't determine address equivalence.
9400 * alias.c (compare_base_decl): Update for changed return value of
9401 symtab_node::equal_address_to.
9403 2016-01-08 Jason Merrill <jason@redhat.com>
9407 * function.c (assign_temp): Guard against TREE_ADDRESSABLE types here.
9408 * expr.c (store_field): Not here.
9409 * tree-cfgcleanup.c (fixup_noreturn_call): Don't clear LHS of a
9410 call with TREE_ADDRESSABLE type.
9411 * tree-cfg.c (verify_gimple_call): Adjust.
9413 2016-01-08 Olivier Hainque <hainque@adacore.com>
9415 * config/vxworks.h (VXWORKS_LIBGCC_SPEC): Don't link shared RTPs with
9418 2016-01-08 Alan Lawrence <alan.lawrence@arm.com>
9420 * gcc.target/rs6000/paired.md (reduc_smax_v2sf): Rename to...
9421 (reduc_smax_scal_v2sf): ...here, make result SFmode, extract element.
9422 (reduc_smin_v2sf): Rename to...
9423 (reduc_smin_scal_v2sf): ...here, make result SFmode, extract element.
9424 (reduc_splus_v2sf): Rename to...
9425 (reduc_plus_scal_v2sf): ...here, make result SFmode, extract element.
9427 2016-01-08 Jakub Jelinek <jakub@redhat.com>
9429 PR tree-optimization/69162
9430 * gimplify.c (gimplify_va_arg_expr): Encode original type of
9431 valist argument in another argument.
9432 (gimplify_modify_expr): Adjust for the above change. Cleanup.
9433 * tree-stdarg.c (expand_ifn_va_arg_1): Use new 3rd argument
9434 to determine the va_list type, build a MEM_REF instead of
9435 build_fold_indirect_ref.
9437 PR tree-optimization/69172
9438 * gimple-fold.c (gimple_fold_builtin_memory_chk): Pass type to
9441 2016-01-08 Thomas Preud'homme <thomas.preudhomme@arm.com>
9443 PR tree-optimization/67781
9444 * tree-ssa-math-opts.c (find_bswap_or_nop): Zero out bytes in cmpxchg
9445 and cmpnop in two steps: first the ones not accessed in original
9446 gimple expression in a endian independent way and then the ones not
9447 accessed in the final result in an endian-specific way.
9449 2016-01-08 Jakub Jelinek <jakub@redhat.com>
9451 PR tree-optimization/69083
9452 * tree-vect-slp.c (vect_get_constant_vectors): For
9453 VECTOR_BOOLEAN_TYPE_P assert op is fold_convertible_p to vector_type's
9454 element type. If op is fold_convertible_p to vector_type's element
9455 type, use NOP_EXPR instead of VCE.
9457 2016-01-08 Segher Boessenkool <segher@kernel.crashing.org>
9459 PR rtl-optimization/67778
9460 PR rtl-optimization/68634
9461 PR rtl-optimization/68909
9462 * shrink-wrap.c (try_shrink_wrapping): Add comment. Don't pop
9463 block from the stack until done with it. Remove a superfluous
9464 bitmap set. Remove a superfluous bitmap test.
9466 2016-01-07 Martin Sebor <msebor@redhat.com>
9469 * doc/extend.texi (__atomic Builtins, __sync Builtins): Document
9470 constraint on the type of arguments.
9472 2016-01-07 Andreas Tobler <andreast@gcc.gnu.org>
9474 * config/arm/freebsd.h: Rename SUBTARGET_OVERRIDE_OPTIONS to
9475 SUBTARGET_OVERRIDE_INTERNAL_OPTIONS. Adjust to check
9476 unaligned_access on the gcc_options set.
9477 * config/arm/arm.c (arm_option_override_internal): Use
9478 SUBTARGET_OVERRIDE_INTERNAL_OPTIONS.
9480 2016-01-07 Uros Bizjak <ubizjak@gmail.com>
9483 * config/i386/i386.c (ix86_frame_pointer_required): Enable
9484 frame pointer for TARGET_64BIT_MS_ABI when stack is misaligned.
9486 2016-01-07 Uros Bizjak <ubizjak@gmail.com>
9489 2016-01-06 Uros Bizjak <ubizjak@gmail.com>
9492 * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
9493 depending on frame_pointer_needed before remaining integer and SSE
9494 registers are saved.
9496 2016-01-07 Sandra Loosemore <sandra@codesourcery.com>
9499 * doc/extend.texi (Nvidia PDX Function Attributes): New section.
9501 2016-01-07 H.J. Lu <hongjiu.lu@intel.com>
9504 * config/i386/sse.md (<sse>_sqrt<mode>2<mask_name><round_name>):
9505 Use the "xBm" constraint.
9506 (float<sseintvecmodelower><mode>2<mask_name><round_name):
9508 (sse_cvtsi2ss<round_name>): Use round_nimm_scalar_predicate.
9509 (sse_cvtsi2ssq<round_name>): Likewise.
9510 (sse_cvtss2si<round_name>): Likewise.
9511 (sse_cvtss2siq<round_name>): Likewise.
9512 (sse2_cvtsi2sdq<round_name>): Likewise.
9513 (sse2_cvtsd2si<round_name>): Likewise.
9514 (sse2_cvtsd2siq<round_name>): Likewise.
9515 * config/i386/subst.md (round_nimm_scalar_predicate): New
9518 2015-12-15 Bernd Schmidt <bschmidt@redhat.com>
9521 * varasm.c (make_decl_rtl): Mark invalid register vars as
9524 PR rtl-optimization/66206
9525 * bt-load.c (find_btr_use): Change first arg to be a pointer to an rtx.
9526 All callers changed.
9528 2016-01-07 Jakub Jelinek <jakub@redhat.com>
9530 PR tree-optimization/69141
9531 * tree-ssa-pre.c: Include langhooks.h.
9532 (eliminate_dom_walker::before_dom_children): Use
9533 lang_hooks.decl_printable_name instead of
9534 cgraph_node::get ()->name ().
9537 * gimple-expr.c (copy_var_decl): If var has DECL_USER_ALIGN set, copy
9538 it and DECL_ALIGN too.
9540 2016-01-06 Robert Suchanek <robert.suchanek@imgtec.com>
9542 * config/mips/mips-ftypes.def: Sort to lexicographical order.
9544 2016-01-06 Uros Bizjak <ubizjak@gmail.com>
9547 * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
9548 depending on frame_pointer_needed before remaining integer and SSE
9549 registers are saved.
9551 2015-01-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
9553 * config/rs6000/vsx.md (*p9_vecload_<mode>): Replace VSX_M
9554 mode iterator with VSX_M2.
9555 (*p9_vecstore_<mode>): Likewise.
9556 (*vsx_le_permute_<mode>): Restrict to !TARGET_P9_VECTOR.
9557 (*vsx_le_perm_load_<mode> for VSX_LE_128): Likewise.
9558 (*vsx_le_perm_store_<mode> for VSX_LE_128): Likewise.
9559 (define_split for VSX_LE128 stores): Likewise.
9560 (define_peephole2 for TImode LE swaps): Likewise.
9561 (define_split for VSX_LE128 post-reload stores): Likewise.
9563 2016-01-06 Marek Polacek <polacek@redhat.com>
9566 * convert.c (convert_to_integer_1): Adjust call to
9567 ubsan_instrument_float_cast. Use NULL_TREE instead of NULL.
9568 * ubsan.c (ubsan_instrument_float_cast): Drop the ARG parameter. Use
9569 EXPR instead of ARG.
9570 * ubsan.h (ubsan_instrument_float_cast): Adjust declaration.
9572 2016-01-05 Sandra Loosemore <sandra@codesourcery.com>
9575 * doc/extend.texi (RL78 Variable Attributes): New section.
9577 2016-01-05 Marek Polacek <polacek@redhat.com>
9580 * builtins.c (get_memmodel): Use expansion point location rather than
9581 the input location. Call warning_at rather than warning.
9582 (expand_builtin_atomic_compare_exchange): Likewise.
9583 (expand_builtin_atomic_load): Likewise.
9584 (expand_builtin_atomic_store): Likewise.
9585 (expand_builtin_atomic_clear): Likewise.
9587 2016-01-05 H.J. Lu <hongjiu.lu@intel.com>
9590 * config/i386/i386.c (ix86_expand_vector_logical_operator):
9591 Replace nonimmediate_operand with vector_operand.
9592 * config/i386/predicates.md (vector_operand): New predicate.
9593 (general_vector_operand): Replace nonimmediate_operand with
9595 * config/i386/sse.md: Replace nonimmediate_operand with
9596 vector_operand and m constraint with Bm constraint on SSE
9597 patterns with 16-byte memory operand.
9598 * config/i386/subst.md (round_nimm_predicate): Replace
9599 nonimmediate_operand with vector_operand.
9600 (round_saeonly_nimm_predicate): Likewise.
9601 (round_saeonly_nimm_scalar_predicate): New.
9603 2016-01-05 H.J. Lu <hongjiu.lu@intel.com>
9606 * config/i386/constraints.md (Bm): New constraint.
9607 * config/i386/predicates.md (vector_memory_operand): New
9609 * config/i386/sse.md: Replace xm with xBm in plusminus and
9612 2016-01-05 Sandra Loosemore <sandra@codesourcery.com>
9615 * doc/extend.texi (V850 Function Attributes): New section.
9616 (V850 Variable Attributes): New section.
9618 2016-01-05 Sandra Loosemore <sandra@codesourcery.com>
9621 * doc/extend.texi (MicroBlaze Function Attributes): Document
9622 interrupt_handler and fast_interrupt attributes.
9624 2016-01-05 Sergei Trofimovich <siarheit@google.com>
9627 * config/ia64/ia64.c (ia64_expand_load_address): Use gprel64
9628 for local symbolic operands.
9629 * config/ia64/predicates.md (local_symbolic_operand64): New
9632 2016-01-05 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
9634 PR rtl-optimization/68651
9635 * combine.c (combine_simplify_rtx): Canonicalize x + x into
9638 2016-01-05 Nathan Sidwell <nathan@acm.org>
9640 * alias.c (compare_base_decls): Use symtab_node::get.
9642 2016-01-05 Nick Clifton <nickc@redhat.com>
9645 * ira-costs.c (copy_cost): Initialise the t_icode field of the
9646 secondary_reload_info structure.
9649 * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Define to use weak
9650 decls if weak support is available.
9652 2016-01-04 Martin Sebor <msebor@redhat.com>
9654 * doc/invoke.texi (Warning Options): Document -Winvalid-memory-model.
9656 2016-01-04 Michael Meissner <meissner@linux.vnet.ibm.com>
9658 * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Add
9659 OPTION_MASK_P9_DFORM.
9661 * config/rs6000/constraints.md (wo constraint): New constraint for
9664 * config/rs6000/rs6000.c (rs6000_debug_reg_global): Add support
9666 (rs6000_init_hard_regno_mode_ok): Likewise.
9668 * config/rs6000/rs6000.h (r6000_reg_class_enum): Add support for
9671 * config/rs6000/altivec.md (altivec_vperm_<mode>): Clean up vperm
9672 expanders not to have constraints. Add support for ISA 3.0 xxperm
9673 instruction. Add support for fusing xxlor with xxperm.
9674 (altivec_vperm_<mode>_internal): Likewise.
9675 (altivec_vperm_v8hiv16qi): Likewise.
9676 (altivec_vperm_<mode>v16q): Likewise.
9677 (altivec_vperm_<mode>_uns): Likewise.
9678 (vperm_v8hiv4si): Likewise.
9679 (vperm_v16qiv8hi): Likewise.
9681 * doc/md.texi (RS/6000 constraints): Document wo constraint.
9683 2016-01-04 Jakub Jelinek <jakub@redhat.com>
9685 Update copyright years.
9687 * gcc.c (process_command): Update copyright notice dates.
9688 * gcov-dump.c (print_version): Ditto.
9689 * gcov.c (print_version): Ditto.
9690 * gcov-tool.c (print_version): Ditto.
9691 * gengtype.c (create_file): Ditto.
9692 * doc/cpp.texi: Bump @copying's copyright year.
9693 * doc/cppinternals.texi: Ditto.
9694 * doc/gcc.texi: Ditto.
9695 * doc/gccint.texi: Ditto.
9696 * doc/gcov.texi: Ditto.
9697 * doc/install.texi: Ditto.
9698 * doc/invoke.texi: Ditto.
9700 2016-01-04 Eric Botcazou <ebotcazou@adacore.com>
9702 * config/arm/arm.c (aapcs_vfp_allocate_return_reg): Treat all integer
9703 modes larger than TImode as TImode if NEON is not enabled.
9705 2016-01-04 Eric Botcazou <ebotcazou@adacore.com>
9708 * config/sparc/sparc.h (FUNCTION_ARG_REGNO_P): Return true in 64-bit
9709 mode for %f0-%f31 only if TARGET_FPU.
9711 2016-01-04 Eric Botcazou <ebotcazou@adacore.com>
9714 * config/sparc/sparc.c (scan_record_type): Take into account subfields
9715 to compute the PACKED_P predicate.
9716 (function_arg_record_value): Minor tweaks.
9718 2016-01-04 Thomas Preud'homme <thomas.preudhomme@arm.com>
9720 * doc/install.texi (--with-multilib-list): Describe the meaning of the
9721 option for arm*-*-* targets.
9723 2016-01-03 Sandra Loosemore <sandra@codesourcery.com>
9725 * doc/extend.texi (Common Function Attributes): Move docs for
9726 MSP430-specific attributes to....
9727 (MSP430 Function Attributes): ...here. Delete the redundant
9728 entries and copy-edit the remaining text.
9729 (MSP430 Variable Attributes): Use uniform format for index
9730 entries and add a cross-reference to the corresponding function
9733 2016-01-03 Vladimír Čunát <vcunat@gmail.com>
9735 * doc/invoke.texi (RS/6000 and PowerPC Options): Fix
9737 (x86 Options): Likewise.
9739 2016-01-01 Sandra Loosemore <sandra@codesourcery.com>
9743 * extend.texi (Common Function Attributes) <no_stack_limit>: New.
9744 * invoke.texi (Code Gen Options) <-fno-stack-limit>: Add pointer
9745 to corresponding attribute.
9747 2016-01-01 Sandra Loosemore <sandra@codesourcery.com>
9749 * doc/extend.texi (Common Function Attributes) <noplt>: Move
9750 to correct alphabetization of table. Copy-edit and correct
9752 <stack_protect>: Likewise.
9753 <target_clones>: Likewise.
9755 * doc/invoke.texi (Optimize Options) <-fstack-protector-explicit>:
9756 Correct punctuation.
9757 (Code Gen Options) <-fno-plt>: Copy-edit.
9759 2016-01-01 Bernd Edlinger <bernd.edlinger@hotmail.de>
9762 * config/tilegx/tilegx.md (clzsi2): Don't create DI subregs of
9763 SI values. Explicitly convert SI to DI and vice-versa.
9765 2016-01-01 Jakub Jelinek <jakub@redhat.com>
9767 PR tree-optimization/69070
9768 * tree-ssa-math-opts.c (gimple_expand_builtin_pow): Only test
9769 REAL_VALUE_ISSIGNALING_NAN on arg0 if arg0 is a REAL_CST.
9772 * ubsan.c (ubsan_instrument_float_cast): Call
9773 initialize_sanitizer_builtins.
9776 * ifcvt.c (find_cond_trap): Give up if returnjump_p (jump).
9778 Copyright (C) 2016 Free Software Foundation, Inc.
9780 Copying and distribution of this file, with or without modification,
9781 are permitted in any medium without royalty provided the copyright
9782 notice and this notice are preserved.