Fix comment in rtl.def
[official-gcc.git] / gcc / ChangeLog
blob7ea42e845c324202a0a745aed883e1e23973a10c
1 2016-04-27  David Malcolm  <dmalcolm@redhat.com>
3         * rtl.def: Update comment for "things in the instruction chain" to
4         reflect the removal of the leading "i" field for INSN_UID in
5         r210360.  Fix bogus apostrophe.
7 2016-04-27  Uros Bizjak  <ubizjak@gmail.com>
9         * config/i386/i386.md
10         (lea arith with mem operand + setcc peephole2): Set operator mode.
12 2016-04-27  H.J. Lu  <hongjiu.lu@intel.com>
14         PR target/70155
15         * config/i386/i386.c (scalar_to_vector_candidate_p): Renamed
16         to ...
17         (dimode_scalar_to_vector_candidate_p): This.
18         (timode_scalar_to_vector_candidate_p): New function.
19         (scalar_to_vector_candidate_p): Likewise.
20         (timode_check_non_convertible_regs): Likewise.
21         (timode_remove_non_convertible_regs): Likewise.
22         (remove_non_convertible_regs): Likewise.
23         (remove_non_convertible_regs): Renamed to ...
24         (dimode_remove_non_convertible_regs): This.
25         (scalar_chain::~scalar_chain): Make it virtual.
26         (scalar_chain::compute_convert_gain): Make it pure virtual.
27         (scalar_chain::mark_dual_mode_def): Likewise.
28         (scalar_chain::convert_insn): Likewise.
29         (scalar_chain::convert_registers): Likewise.
30         (scalar_chain::add_to_queue): Make it protected.
31         (scalar_chain::emit_conversion_insns): Likewise.
32         (scalar_chain::replace_with_subreg): Likewise.
33         (scalar_chain::replace_with_subreg_in_insn): Likewise.
34         (scalar_chain::convert_op): Likewise.
35         (scalar_chain::convert_reg): Likewise.
36         (scalar_chain::make_vector_copies): Likewise.
37         (scalar_chain::convert_registers): New pure virtual function.
38         (class dimode_scalar_chain): New class.
39         (class timode_scalar_chain): Likewise.
40         (scalar_chain::mark_dual_mode_def): Renamed to ...
41         (dimode_scalar_chain::mark_dual_mode_def): This.
42         (timode_scalar_chain::mark_dual_mode_def): New function.
43         (timode_scalar_chain::convert_insn): Likewise.
44         (dimode_scalar_chain::convert_registers): Likewise.
45         (scalar_chain::compute_convert_gain): Renamed to ...
46         (dimode_scalar_chain::compute_convert_gain): This.
47         (scalar_chain::replace_with_subreg): Renamed to ...
48         (dimode_scalar_chain::replace_with_subreg): This.
49         (scalar_chain::replace_with_subreg_in_insn): Renamed to ...
50         (dimode_scalar_chain::replace_with_subreg_in_insn): This.
51         (scalar_chain::make_vector_copies): Renamed to ...
52         (dimode_scalar_chain::make_vector_copies): This.
53         (scalar_chain::convert_reg): Renamed to ...
54         (dimode_scalar_chain::convert_reg ): This.
55         (scalar_chain::convert_op): Renamed to ...
56         (dimode_scalar_chain::convert_op): This.
57         (scalar_chain::convert_insn): Renamed to ...
58         (dimode_scalar_chain::convert_insn): This.
59         (scalar_chain::convert): Call convert_registers.
60         (convert_scalars_to_vector): Change to scalar_chain pointer to
61         use timode_scalar_chain in 64-bit mode and dimode_scalar_chain
62         in 32-bit mode.  Delete scalar_chain pointer.  Call
63         free_dominance_info in 64-bit mode.
64         (pass_stv::gate): Remove TARGET_64BIT check.
65         (ix86_option_override): Put the 64-bit STV pass before the CSE
66         pass.
68 2016-04-27  Pierre-Marie de Rodat  <derodat@adacore.com>
70         * dwarf2out.h (struct dw_loc_descr_node): Remove the
71         dw_loc_frame_offset field.
72         * dwarf2out.c (new_loc_descr): Likewise.
73         (resolve_args_picking_1): Turn the VISITED hash set into a
74         FRAME_OFFSET hash map. Use it to associate a frame offset to
75         visited nodes. Remove uses of the CHECKING_P macro.
76         (resolve_args_picking): Update call to resolve_args_picking_1.
78 2016-04-27  Martin Liska  <mliska@suse.cz>
80         * tree-ssa-loop-ivopts.c (iv_ca_dump): Fix level of indentation.
81         (free_loop_data): Release vuses of groups.
83 2016-04-27  Bin Cheng  <bin.cheng@arm.com>
85         * tree-ssa-loop-ivopts.c (struct iv): Use pointer to struct iv_use
86         instead of redundant use_id and boolean have_use_for.
87         (struct iv_use): Change sub_id into group_id.  Remove field next.
88         Move fields: related_cands, n_map_members, cost_map and selected
89         to ...
90         (struct iv_group): ... here.  New structure.
91         (struct iv_common_cand): Use structure declaration directly.
92         (struct ivopts_data, iv_ca, iv_ca_delta): Rename fields.
93         (MAX_CONSIDERED_USES): Rename macro to ...
94         (MAX_CONSIDERED_GROUPS): ... here.
95         (n_iv_uses, iv_use, n_iv_cands, iv_cand): Delete.
96         (dump_iv, dump_use, dump_cand): Refactor format of dump information.
97         (dump_uses): Rename to ...
98         (dump_groups): ... here.  Update all uses.
99         (tree_ssa_iv_optimize_init, alloc_iv): Update all uses.
100         (find_induction_variables): Refactor format of dump information.
101         (record_sub_use): Delete.
102         (record_use): Update all uses.
103         (record_group): New function.
104         (record_group_use, find_interesting_uses_op): Call above functions.
105         Update all uses.
106         (find_interesting_uses_cond): Ditto.
107         (group_compare_offset): New function.
108         (split_all_small_groups): Rename to ...
109         (split_small_address_groups_p): ... here.  Update all uses.
110         (split_address_groups):  Update all uses.
111         (find_interesting_uses): Refactor format of dump information.
112         (add_candidate_1): Update all uses.  Remove redundant check on iv,
113         base and step.
114         (add_candidate, record_common_cand): Remove redundant assert.
115         (add_iv_candidate_for_biv): Update use.
116         (add_iv_candidate_derived_from_uses): Update all uses.
117         (add_iv_candidate_for_groups, record_important_candidates): Ditto.
118         (alloc_use_cost_map): Ditto.
119         (set_use_iv_cost, get_use_iv_cost): Rename to ...
120         (set_group_iv_cost, get_group_iv_cost): ... here.  Update all uses.
121         (determine_use_iv_cost_generic): Ditto.
122         (determine_group_iv_cost_generic): Ditto.
123         (determine_use_iv_cost_address): Ditto.
124         (determine_group_iv_cost_address): Ditto.
125         (determine_use_iv_cost_condition): Ditto.
126         (determine_group_iv_cost_cond): Ditto.
127         (determine_use_iv_cost): Ditto.
128         (determine_group_iv_cost): Ditto.
129         (set_autoinc_for_original_candidates): Update all uses.
130         (find_iv_candidates): Update all uses.  Refactor dump information.
131         (determine_use_iv_costs): Ditto.
132         (determine_iv_costs): Ditto.
133         (iv_ca_cand_for_use): Rename to ...
134         (iv_ca_cand_for_group): ... here.  Update all uses.
135         (iv_ca_add_use, iv_ca_add_group): Ditto.
136         (iv_ca_set_cp, iv_ca_cost, iv_ca_delta_add): Update all uses.
137         (iv_ca_delta_join, iv_ca_delta_reverse, iv_ca_delta_free): Ditto.
138         (iv_ca_new, iv_ca_dump, iv_ca_extend, iv_ca_narrow): Ditto.
139         (iv_ca_prune, cheaper_cost_with_cand, iv_ca_replace): Ditto.
140         (try_add_cand_for, try_improve_iv_set, find_optimal_iv_set): Ditto.
141         (create_new_iv, adjust_iv_update_pos): Ditto.
142         (rewrite_use_address): Delete.
143         (rewrite_use_address_1): Rename to ...
144         (rewrite_use_address): ... here.
145         (rewrite_use_compare): Update all uses.
146         (rewrite_use): Delete.
147         (rewrite_uses): Rename to ...
148         (rewrite_groups): ... here.  Update all uses.
149         (remove_unused_ivs, free_loop_data): Update all uses.
150         (tree_ssa_iv_optimize_finalize, tree_ssa_iv_optimize_loop): Ditto.
152 2016-04-27  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
154         * rtlanal.c (nonzero_bits1): Convert preprocessor check
155         for WORD_REGISTER_OPERATIONS to runtime check.
157 2016-04-27  Richard Biener  <rguenther@suse.de>
159         PR ipa/70760
160         * tree-ssa-structalias.c (find_func_aliases_for_call): Use
161         aggregate_value_p to determine if a function result is
162         returned by reference.
163         (ipa_pta_execute): Functions having their address taken are
164         not automatically nonlocal.
166 2016-04-27  Jakub Jelinek  <jakub@redhat.com>
168         PR sanitizer/70683
169         * tree-core.h (enum operand_equal_flag): Add OEP_NO_HASH_CHECK.
170         * fold-const.c (operand_equal_p): If flag_checking and
171         OEP_NO_HASH_CHECK is not set in flag, recurse with OEP_NO_HASH_CHECK
172         and if it returns non-zero, assert iterative_hash_expr on both
173         args is the same.
175 2016-04-27  Bernd Schmidt  <bschmidt@redhat.com>
177         * doc/invoke.texi (-frename-registers): Also enabled at -Os.
179 2016-04-27  Nick Clifton  <nickc@redhat.com>
181         PR middle-end/49889
182         * varasm.c (merge_weak): Generate an error if an attempt is made
183         to convert a non-weak static function into a weak, public function.
185 2016-04-27  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
187         * params.def (MAX_PARTITION_SIZE): New param.
188         * doc/invoke.texi: Document lto-max-partition.
190 2016-04-27  Richard Biener  <rguenther@suse.de>
192         PR ipa/70785
193         * tree-ssa-structalias.c (refered_from_nonlocal_fn): New
194         function cummulating used_from_other_partition, externally_visible
195         and force_output from aliases.
196         (refered_from_nonlocal_var): Likewise.
197         (ipa_pta_execute): Use call_for_symbol_and_aliases to cummulate
198         node flags properly.
200 2016-04-27  Bernd Schmidt  <bschmidt@redhat.com>
202         * doc/invoke.texi (Warning Options): Add -Wmemset-elt-size.
203         (-Wmemset-elt-size): New item.
205 2016-04-27  Eric Botcazou  <ebotcazou@adacore.com>
207         PR ada/70759
208         * stor-layout.h (internal_reference_types): Delete.
209         * stor-layout.c (reference_types_internal): Likewise.
210         (internal_reference_types): Likewise.
211         (layout_type) <REFERENCE_TYPE>: Adjust.
213 2016-04-27  Jakub Jelinek  <jakub@redhat.com>
215         PR sanitizer/70683
216         * tree.h (inchash::add_expr): Add FLAGS argument.
217         * tree.c (inchash::add_expr): Likewise.  If not OEP_ADDRESS_OF,
218         use STRIP_NOPS first.  For INTEGER_CST assert not OEP_ADDRESS_OF.
219         For REAL_CST and !HONOR_SIGNED_ZEROS (t) hash +/- 0 the same.
220         Formatting fix.  Adjust recursive calls.  For tcc_comparison,
221         if swap_tree_comparison (code) is smaller than code, hash that
222         and arguments in the other order.  Hash CONVERT_EXPR the same
223         as NOP_EXPR.  For OEP_ADDRESS_OF hash MEM_REF with 0 offset
224         of ADDR_EXPR of decl as the decl itself.  Add or remove
225         OEP_ADDRESS_OF from recursive flags as needed.  For
226         FMA_EXPR, WIDEN_MULT_{PLUS,MINUS}_EXPR hash the first two
227         operands commutatively and only the third one normally.
228         For internal CALL_EXPR hash in CALL_EXPR_IFN.
230 2016-04-27  Sebastian Huber  <sebastian.huber@embedded-brains.de>
232         * config/rtems.h (LIB_SPEC): Add -latomic.
234 2016-04-27  Joel Sherrill  <joel@rtems.org>
236         * config/microblaze/rtems.h: Redefine LINK_SPEC to avoid
237         xilink.ld and flags not relevant to RTEMS.
239 2016-04-26  Zhouyi Zhou  <yizhouzhou@ict.ac.cn>
241         * toplev.c (backend_init_target): Avoid calling init_reload when using
242         LRA.
244 2016-04-26  Jakub Jelinek  <jakub@redhat.com>
246         * reorg.c (try_merge_delay_insns): Declare i and j inside the
247         for loops rather than one for the whole function.
249 2016-04-26  Marc Glisse  <marc.glisse@inria.fr>
251         * match.pd (X + CST CMP X): New transformation.
253 2016-04-26  Marc Glisse  <marc.glisse@inria.fr>
255         * genmatch.c (write_predicate): Add ATTRIBUTE_UNUSED.
256         * fold-const.c (fold_binary_loc): Remove 2 transformations
257         superseded by match.pd.
258         * match.pd (x+x -> x*2): Generalize to integers.
260 2016-04-26  Bernd Schmidt  <bschmidt@redhat.com>
262         * config/i386/i386.md (operation on memory peephole): Duplicate an
263         existing peephole and adapt it to match lea rather than an operation
264         that clobbers CC.
266         PR rtl-optimization/57193
267         * opts.c (default_options_table): Add OPT_frename_registers at -O2
268         and above.
269         * doc/invoke.texi (-frename-registers, -O2): Update documentation.
271 2016-04-26  Bin Cheng  <bin.cheng@arm.com>
273         * tree-if-conv.c (any_pred_load_store): New static variable.
274         (if_convertible_gimple_assign_stmt_p): Remove parameter.  Use
275         any_pred_load_store instead of and_mask_load_store.
276         (if_convertible_stmt_p, if_convertible_loop_p_1): Ditto.
277         (if_convertible_loop_p, insert_gimplified_predicates): Ditto.
278         (combine_blocks, tree_if_conversion): Ditto.
280 2016-04-26  Bin Cheng  <bin.cheng@arm.com>
282         PR tree-optimization/70771
283         PR tree-optimization/70775
284         * tree-if-conv.c (if_convertible_phi_p): Remove check on special
285         virtual PHI nodes.  Delete parameter.
286         (if_convertible_loop_p_1): Delete argument to above function.
287         (predicate_all_scalar_phis): Delete code handling single-argument
288         PHIs.
289         (tree_if_conversion): Mark and update virtual SSA.
291 2016-04-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
293         PR target/61821
294         * config/i386/i386.c (LARGECOMM_SECTION_ASM_OP): Define default.
295         (x86_elf_aligned_common): Rename to ...
296         (x86_elf_aligned_decl_common): ... this.
297         Add decl arg.  Switch to .lbss for largecomm object.  Use
298         LARGECOMM_SECTION_ASM_OP.
299         * config/i386/i386-protos.h (x86_elf_aligned_common): Reflect
300         renaming.
301         * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_COMMON): Rename to ...
302         (ASM_OUTPUT_ALIGNED_DECL_COMMON): ... this.
303         Pass new decl arg.
304         * config/i386/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
305         [!USE_GAS] (LARGECOMM_SECTION_ASM_OP): Define.
307 2016-04-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
309         PR target/59407
310         * config/i386/i386.c (SECTION_LARGE): Define.
311         (x86_64_elf_select_section): Set it for large data/bss sections.
312         Only clear SECTION_WRITE for .lrodata.
313         (x86_64_elf_section_type_flags): Set SECTION_LARGE for large
314         data/bss sections.
315         * config/i386/sol2.h (MACH_DEP_SECTION_ASM_FLAG): Define.
316         * varasm.c (default_elf_asm_named_section): Grow flagchars.
317         [MACH_DEP_SECTION_ASM_FLAG] Emit MACH_DEP_SECTION_ASM_FLAG for
318         SECTION_MACH_DEP.
319         * doc/tm.texi.in (Sections, MACH_DEP_SECTION_ASM_FLAG): Describe.
320         * doc/tm.texi: Regenerate.
322 2016-04-26  Jakub Jelinek  <jakub@redhat.com>
324         PR bootstrap/70704
325         * configure.ac (--enable-checking): Document extra flag, for
326         non-release builds default to --enable-checking=yes,extra.
327         If misc checking and extra checking, define CHECKING_P to 2 instead
328         of 1.
329         * common.opt (fchecking=): Add.
330         * doc/invoke.texi (-fchecking=): Document.
331         * doc/install.texi: Document --enable-checking changes.
332         * configure: Regenerated.
333         * config.in: Regenerated.
335 2016-04-25  Uros Bizjak  <ubizjak@gmail.com>
337         * config/i386/i386.md (*movxi_internal_avx512f): Use insn type
338         attribute instead of which_alternative.
339         * config/i386/sse.md (*mov<mode>_internal): Ditto.
340         Use EXT_REX_SSE_REG_P where appropriate.
342 2016-04-25  Uros Bizjak  <ubizjak@gmail.com>
344         * config/i386/predicates.md (const0_operand): Do not match
345         const_wide_int code.
346         (const1_operand): Ditto.
348 2016-04-25  Uros Bizjak  <ubizjak@gmail.com>
350         * config/i386/i386.md (*movoi_internal_avx): Set mode attribute to XI
351         for SSE constm1 operands and TARGET_AVX512VL.
352         (*movti_internal): Ditto.
353         (*mov<mode>_or): Use constm1_operand predicate.
354         * config/i386/sse.md (*mov<mode>_internal): Set mode attribute to XI
355         for SSE vector_all_ones operands and TARGET_AVX512VL.
356         * config/i386/predicates.md (constm1_operand): New predicate.
357         * config/i386/i386.c (standard_sse_constant_opcode): Simplify
358         emission of constant -1 load.
360 2016-04-25  Jason Merrill  <jason@redhat.com>
362         * gdbinit.in: Skip is-a.h.
364         * attribs.c (register_scoped_attributes): Fix logic.
365         * attribs.h: Declare register_scoped_attributes.
367 2016-04-25  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
369         * config/rs6000/rs6000-builtin.def: Correct pasto error for
370         stxvd2x and stxvw4x built-in functions.
372 2016-04-25  DJ Delorie  <dj@redhat.com>
374         * config/msp430/msp430.md (ashlhi3): Optimize one bit shifts.
375         (ashrhi3): Likewise.
376         (lshrhi3): Likewise.
378 2016-04-25  Richard Biener  <rguenther@suse.de>
380         PR tree-optimization/70780
381         * tree-ssa-pre.c (compute_antic_aux): Also return true if the block
382         wasn't visited yet.
383         (compute_antic): Mark blocks with abnormal preds as visited as
384         they have a final empty antic-in solution already.
386 2016-04-25  Michael Collison  <michael.collison@linaro.org>
388         * ChangeLog(2016-04-25): Fix ChangeLog formatting.
390 2016-04-25  Michael Collison  <michael.collison@linaro.org>
392         * config/arm/neon.md (widen_<us>sum<mode>): New patterns where
393         mode is VQI to improve mixed mode vectorization.
394         * config/arm/neon.md (vec_sel_widen_ssum_lo<VQI:mode><VW:mode>3): New
395         define_insn to match low half of signed vaddw.
396         * config/arm/neon.md (vec_sel_widen_ssum_hi<VQI:mode><VW:mode>3): New
397         define_insn to match high half of signed vaddw.
398         * config/arm/neon.md (vec_sel_widen_usum_lo<VQI:mode><VW:mode>3): New
399         define_insn to match low half of unsigned vaddw.
400         * config/arm/neon.md (vec_sel_widen_usum_hi<VQI:mode><VW:mode>3): New
401         define_insn to match high half of unsigned vaddw.
402         * config/arm/arm.c (arm_simd_vect_par_cnst_half): New function.
403         (arm_simd_check_vect_par_cnst_half_p): Likewise.
404         * config/arm/arm-protos.h (arm_simd_vect_par_cnst_half): Prototype
405         for new function.
406         (arm_simd_check_vect_par_cnst_half_p): Likewise.
407         * config/arm/predicates.md (vect_par_constant_high): Support
408         big endian and simplify by calling
409         arm_simd_check_vect_par_cnst_half
410         (vect_par_constant_low): Likewise.
412 2016-04-25  Uros Bizjak  <ubizjak@gmail.com>
414         * config/i386/i386.md (*lea<mode>_general_4): Use const_0_to_3_operand
415         predicate for operand 2.
417 2016-04-24  Uros Bizjak  <ubizjak@gmail.com>
418             H.J. Lu  <hongjiu.lu@intel.com>
420         * config/i386/i386-protos.h (standard_sse_constant_p): Add
421         machine_mode argument.
422         * config/i386/i386.c (standard_sse_constant_p): Return 2 for
423         constm1_rtx operands.  For VOIDmode constants, get mode from
424         pred_mode.  Check mode size if the mode is supported by ABI.
425         (standard_sse_constant_opcode): Do not use standard_constant_p.
426         Strictly check ABI support for all-ones operands.
427         (ix86_legitimate_constant_p): Handle TImode, OImode and XImode
428         immediates. Update calls to standard_sse_constant_p.
429         (ix86_expand_vector_move): Update calls to standard_sse_constant_p.
430         (ix86_rtx_costs): Ditto.
431         * config/i386/i386.md (*movxi_internal_avx512f): Use
432         nonimmediate_or_sse_const_operand instead of vector_move_operand.
433         Use (v,BC) alternative instead of (v,C). Use register_operand
434         checks instead of MEM_P.
435         (*movoi_internal_avx): Use nonimmediate_or_sse_const_operand instead
436         of vector_move_operand.  Add (v,BC) alternative and corresponding avx2
437         isa attribute.  Use register_operand checks instead of MEM_P.
438         (*movti_internal): Use nonimmediate_or_sse_const_operand for
439         TARGET_SSE.  Improve TARGET_SSE insn constraint.  Add (v,BC)
440         alternative and corresponding sse2 isa attribute.
441         (*movtf_internal, *movdf_internal, *movsf_interal): Update calls
442         to standard_sse_constant_p.
443         (FP constant splitters): Ditto.
444         * config/i386/constraints.md (BC): Do not use standard_sse_constant_p.
445         (C): Ditto.
446         * config/i386/predicates.md (constm1_operand): Remove.
447         (nonimmediate_or_sse_const_operand): Rewrite using RTX.
448         * config/i386/sse.md (*<avx512>_cvtmask2<ssemodesuffix><mode>): Use
449         vector_all_ones_operand instead of constm1_operand.
451 2016-04-24  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
453         * print-rtl.c (print_rtx_insn_vec): New function.
454         * print-rtl.h: New prototype.
455         * store-motion.c (struct st_expr): Make avail_stores a vector.
456         (st_expr_entry): Adjust.
457         (free_st_expr_entry): Likewise.
458         (print_store_motion_mems): Likewise.
459         (find_moveable_store): Likewise.
460         (compute_store_table): Likewise.
461         (delete_store): Likewise.
462         (build_store_vectors): Likewise.
464 2016-04-24  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
466         * reorg.c (try_merge_delay_insns): Make merged_insns a vector.
468 2016-04-24  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
470         * vec.h (vec_safe_contains): New function.
471         (vec::contains): Likewise.
472         (vec::begin): Likewise.
473         (vec::end): Likewise.
475 2016-04-23  Jakub Jelinek  <jakub@redhat.com>
477         PR sanitizer/70712
478         * cfgexpand.c (expand_stack_vars): Fix typo.
480 2016-04-22  Szabolcs Nagy  <szabolcs.nagy@arm.com>
482         * system.h (list, map, set, vector): Include conditionally.
483         * auto-profile.c (INCLUDE_MAP, INCLUDE_SET): Define.
484         * graphite-isl-ast-to-gimple.c (INCLUDE_MAP): Define.
485         * ipa-icf.c (INCLUDE_LIST): Define.
486         * config/aarch64/cortex-a57-fma-steering.c (INCLUDE_LIST): Define.
487         * config/sh/sh.c (INCLUDE_VECTOR): Define.
488         * config/sh/sh_treg_combine.cc (INCLUDE_ALGORITHM): Define.
489         (INCLUDE_LIST, INCLUDE_VECTOR): Define.
490         * cp/logic.cc (INCLUDE_LIST): Define.
491         * fortran/trans-common.c (INCLUDE_MAP): Define.
493 2016-04-22  Szabolcs Nagy  <szabolcs.nagy@arm.com>
495         * auto-profile.c: Remove <string.h> include.
496         * ipa-icf-gimple.c: Remove <list> include.
497         * diagnostic.c: Remove <new> include.
498         * genmatch.c: Likewise.
499         * pretty-print.c: Likewise.
500         * toplev.c: Likewise
501         * c/c-objc-common.c: Likewise.
502         * cp/error.c: Likewise.
503         * fortran/error.c: Likewise.
505 2016-04-22  Richard Biener  <rguenther@suse.de>
507         * lto-streamer-in.c (input_ssa_names): Do not allocate
508         GIMPLE_NOP for all SSA names.
509         * lto-streamer-out.c (output_ssa_names): Do not output
510         SSA names that should have been released.
512 2016-04-22  Richard Biener  <rguenther@suse.de>
514         PR tree-optimization/70740
515         * tree-ssa-phiprop.c (propagate_with_phi): Handle inserted
516         VDEF.
518 2016-04-21  H.J. Lu  <hongjiu.lu@intel.com>
520         PR target/70750
521         * config/i386/predicates.md (call_insn_operand): Replace
522         sibcall_memory_operand with memory_operand.
524 2016-04-21  Patrick Palka  <ppalka@gcc.gnu.org>
526         * tree-vrp.c (register_edge_assert_for_2): Remove redundant
527         has_single_use() tests.
528         (register_edge_assert_for_1): Likewise.
529         (find_assert_locations_1): Check the liveness bitmap instead of
530         checking has_single_use().
532 2016-04-21  Kirill Yukhin  <kirill.yukhin@intel.com>
534         PR target/70728
535         * gcc/config/i386/sse.md (define_insn "<shift_insn><mode>3<mask_name>"):
536         Extract AVX-512BW constraint from AVX.
538 2016-04-21  Richard Biener  <rguenther@suse.de>
540         PR tree-optimization/70725
541         * tree-if-conv.c (if_convertible_phi_p): Adjust guard
542         for phi_convertible_by_degenerating_args.
543         (predicate_all_scalar_phis): Handle single-argument PHIs.
545 2016-04-21  Richard Biener  <rguenther@suse.de>
547         PR middle-end/70747
548         * fold-const.c (fold_comparison): Return properly typed
549         constant boolean.
551 2016-04-21  Bin Cheng  <bin.cheng@arm.com>
553         PR tree-optimization/70715
554         * tree-ssa-loop-niter.c (loop_exits_before_overflow): Check equality
555         after expanding BASE using expand_simple_operations.
557 2016-04-21  Marc Glisse  <marc.glisse@inria.fr>
559         * match.pd (min(-x, -y), max(-x, -y), min(~x, ~y), max(~x, ~y)):
560         New transformations.
562 2016-04-21  Marc Glisse  <marc.glisse@inria.fr>
564         * match.pd (min(int_max, x), max(int_min, x)): New transformations.
566 2016-04-20  Jan Hubicka  <jh@suse.cz>
568         * ipa-inline.c (can_inline_edge_p): Pass caller info to
569         ultiimate_alias_target.
570         (update_callee_keys): Likewise.
571         (lookup_recursive_calls): Likewise.
572         (speculation_useful_p): Likewise.
574 2016-04-20  Jan Hubicka  <jh@suse.cz>
576         PR ipa/70018
577         * cgraph.c (cgraph_set_nothrow_flag_1): Rename to ...
578         (set_nothrow_flag_1): ... this; handle interposition correctly;
579         recurse on aliases and thunks.
580         (cgraph_node::set_nothrow_flag): New.
581         * ipa-pure-const.c (ignore_edge_for_nothrow): Ignore calls to
582         functions compiled with non-call exceptions that binds to current
583         def.
584         (propagate_nothrow): Be safe WRT interposition.
585         * cgraph.h (set_nothrow_flag): Update prototype.
587 2016-04-18  Jan Hubicka  <jh@suse.cz>
589         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
590         max_loop_iterations_int.
591         (tree_unswitch_outer_loop): Likewise.
593 2016-04-20  Bin Cheng  <bin.cheng@arm.com>
595         PR tree-optimization/69489
596         * tree-if-conv.c (phi_convertible_by_degenerating_args): New.
597         (if_convertible_phi_p): Call phi_convertible_by_degenerating_args.
598         Revise dump message.
599         (if_convertible_bb_p): Remove check on edge count of basic block's
600         predecessors.
602 2016-04-20  Bin Cheng  <bin.cheng@arm.com>
604         PR tree-optimization/56625
605         PR tree-optimization/69489
606         * tree-data-ref.h (DR_INNERMOST): New macro.
607         * tree-if-conv.c (innermost_loop_behavior_hash): New class for
608         hashing struct innermost_loop_behavior.
609         (ref_DR_map): Remove.
610         (innermost_DR_map): New map.
611         (baseref_DR_map): Revise comment.
612         (hash_memrefs_baserefs_and_store_DRs_read_written_info): Store DR
613         to innermost_DR_map accroding to its innermost loop behavior.
614         (ifcvt_memrefs_wont_trap): Get DR from innermost_DR_map according
615         to its innermost loop behavior.
616         (if_convertible_loop_p_1): Remove intialization for ref_DR_map.
617         Add initialization for innermost_DR_map.  Record memory reference
618         in DR_BASE_ADDRESS if the reference is compound one or it doesn't
619         have innermost loop behavior.
620         (if_convertible_loop_p): Remove release for ref_DR_map.  Release
621         innermost_DR_map.
623 2016-04-20  Uros Bizjak  <ubizjak@gmail.com>
625         * config/i386/i386.md (*lea<mode>_general_1): Rename from
626         *lea_general_1.  Use explicit SWI12 mode interator.
627         (*lea<mode>_general_2): Rename from *lea_general_2.
628         Use explicit SWI12 mode interator.
629         (*lea<mode>_general_3): Rename from *lea_general_3.
630         Use explicit SWI12 mode interator.
631         (*lea<SWI12:mode>_general_4): Split from *lea_general_4.
632         Use explicit SWI12 mode interator.
633         (*lea<SWI48:mode>_general_4): Split from *lea_general_4.
634         Use explicit SWI48 mode interator.
636 2016-04-20  H.J. Lu  <hongjiu.lu@intel.com>
638         * config/i386/i386.c (ix86_avx256_split_vector_move_misalign):
639         Short-cut unaligned load and store cases.  Handle all integer
640         vector modes.
641         (ix86_expand_vector_move_misalign): Short-cut unaligned load
642         and store cases.  Call ix86_avx256_split_vector_move_misalign
643         directly without checking mode class.
645 2016-04-20  Andrew Pinski  <apinski@cavium.com>
646             Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
648         PR target/64971
649         * config/aarch64/aarch64.md (sibcall): Force call
650         address to be DImode for ILP32.
651         (sibcall_value): Likewise.
653 2016-04-20  H.J. Lu  <hongjiu.lu@intel.com>
655         * doc/invoke.texi: Replace -skip-rax-setup with -mskip-rax-setup.
657 2016-04-20  Richard Biener  <rguenther@suse.de>
659         * gimple-match.h (maybe_build_generic_op): Adjust prototype.
660         * gimple-match-head.c (maybe_build_generic_op): Pass all ops
661         by reference, clear op1 and op2 when GENERICizing BIT_FIELD_REF.
662         (maybe_push_res_to_seq): Adjust.
663         * gimple-fold.c (maybe_build_generic_op): Likewise.
665 2016-04-20  Marek Polacek  <polacek@redhat.com>
667         * tree-if-conv.c (is_false_predicate): For NULL_TREE return false
668         rather than true.
670 2016-04-20  Ilya Enkovich  <ilya.enkovich@intel.com>
672         * config/i386/sse.md (vec_unpacks_lo_hi): Always
673         use kmovw to support AVX512F target.
675 2016-04-20  Bin Cheng  <bin.cheng@arm.com>
677         * tree-scalar-evolution.c (interpret_rhs_expr): Handle BIT_AND_EXPR.
679 2016-04-20  Marek Polacek  <polacek@redhat.com>
681         PR tree-optimization/70725
682         * tree-if-conv.c (is_false_predicate): New function.
683         (predicate_mem_writes): Use it.
685 2016-04-20  Richard Biener  <rguenther@suse.de>
687         PR tree-optimization/70726
688         * tree-vect-stmts.c (vectorizable_shift): Do not use scalar
689         shift amounts from a pattern stmt operand.
691 2016-04-20  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
693         PR target/70674
694         * config/s390/s390.c (s390_restore_gprs_from_fprs): Pick the new
695         stack_restore_from_fpr pattern when restoring r15.
696         (s390_optimize_prologue): Strip away the memory barrier in the
697         parallel when trying to get rid of restore insns.
698         * config/s390/s390.md ("stack_restore_from_fpr"): New insn
699         definition for loading the stack pointer from an FPR.  Compared to
700         the normal move insn this pattern includes a full memory barrier.
702 2016-04-19  Jakub Jelinek  <jakub@redhat.com>
704         PR middle-end/70680
705         * gimplify.c (gimplify_omp_for): Call omp_notice_variable for
706         implicitly linear or lastprivate iterator on the outer context.
708 2016-04-19  H.J. Lu  <hongjiu.lu@intel.com>
710         * config/i386/i386.c (ix86_legitimate_combined_insn): Remove
711         alignment check.
712         * config/i386/i386.md (ssememalign): Removed.
713         * config/i386/sse.md: Remove ssememalign attribute from patterns.
715 2016-04-19  H.J. Lu  <hongjiu.lu@intel.com>
717         PR target/69201
718         * config/i386/avx512bwintrin.h (_mm512_mask_loadu_epi16): Pass
719         const short * to __builtin_ia32_loaddquhi512_mask.
720         (_mm512_maskz_loadu_epi16): Likewise.
721         (_mm512_mask_storeu_epi16): Pass short * to
722         __builtin_ia32_storedquhi512_mask.
723         (_mm512_mask_loadu_epi8): Pass const char * to
724         __builtin_ia32_loaddquqi512_mask.
725         (_mm512_maskz_loadu_epi8): Likewise.
726         (_mm512_mask_storeu_epi8): Pass char * to
727         __builtin_ia32_storedquqi512_mask.
728         * config/i386/avx512fintrin.h (_mm512_loadu_pd): Pass
729         const double * to __builtin_ia32_loadupd512_mask.
730         (_mm512_mask_loadu_pd): Likewise.
731         (_mm512_maskz_loadu_pd): Likewise.
732         (_mm512_storeu_pd): Pass double * to
733         __builtin_ia32_storeupd512_mask.
734         (_mm512_mask_storeu_pd): Likewise.
735         (_mm512_loadu_ps): Pass const float * to
736         __builtin_ia32_loadups512_mask.
737         (_mm512_mask_loadu_ps): Likewise.
738         (_mm512_maskz_loadu_ps): Likewise.
739         (_mm512_storeu_ps): Pass float * to
740         __builtin_ia32_storeups512_mask.
741         (_mm512_mask_storeu_ps): Likewise.
742         (_mm512_mask_loadu_epi64): Pass const long long * to
743         __builtin_ia32_loaddqudi512_mask.
744         (_mm512_maskz_loadu_epi64): Likewise.
745         (_mm512_mask_storeu_epi64): Pass long long *
746         to __builtin_ia32_storedqudi512_mask.
747         (_mm512_loadu_si512): Pass const int * to
748         __builtin_ia32_loaddqusi512_mask.
749         (_mm512_mask_loadu_epi32): Likewise.
750         (_mm512_maskz_loadu_epi32): Likewise.
751         (_mm512_storeu_si512): Pass int * to
752         __builtin_ia32_storedqusi512_mask.
753         (_mm512_mask_storeu_epi32): Likewise.
754         * config/i386/avx512vlbwintrin.h (_mm256_mask_storeu_epi8): Pass
755         char * to __builtin_ia32_storedquqi256_mask.
756         (_mm_mask_storeu_epi8): Likewise.
757         (_mm256_mask_loadu_epi16): Pass const short * to
758         __builtin_ia32_loaddquhi256_mask.
759         (_mm256_maskz_loadu_epi16): Likewise.
760         (_mm_mask_loadu_epi16): Pass const short * to
761         __builtin_ia32_loaddquhi128_mask.
762         (_mm_maskz_loadu_epi16): Likewise.
763         (_mm256_mask_loadu_epi8): Pass const char * to
764         __builtin_ia32_loaddquqi256_mask.
765         (_mm256_maskz_loadu_epi8): Likewise.
766         (_mm_mask_loadu_epi8): Pass const char * to
767         __builtin_ia32_loaddquqi128_mask.
768         (_mm_maskz_loadu_epi8): Likewise.
769         (_mm256_mask_storeu_epi16): Pass short * to.
770         __builtin_ia32_storedquhi256_mask.
771         (_mm_mask_storeu_epi16): Pass short * to.
772         __builtin_ia32_storedquhi128_mask.
773         * config/i386/avx512vlintrin.h (_mm256_mask_loadu_pd): Pass
774         const double * to __builtin_ia32_loadupd256_mask.
775         (_mm256_maskz_loadu_pd): Likewise.
776         (_mm_mask_loadu_pd): Pass onst double * to
777         __builtin_ia32_loadupd128_mask.
778         (_mm_maskz_loadu_pd): Likewise.
779         (_mm256_mask_storeu_pd): Pass double * to
780         __builtin_ia32_storeupd256_mask.
781         (_mm_mask_storeu_pd): Pass double * to
782         __builtin_ia32_storeupd128_mask.
783         (_mm256_mask_loadu_ps): Pass const float * to
784         __builtin_ia32_loadups256_mask.
785         (_mm256_maskz_loadu_ps): Likewise.
786         (_mm_mask_loadu_ps): Pass const float * to
787         __builtin_ia32_loadups128_mask.
788         (_mm_maskz_loadu_ps): Likewise.
789         (_mm256_mask_storeu_ps): Pass float * to
790         __builtin_ia32_storeups256_mask.
791         (_mm_mask_storeu_ps): ass float * to
792         __builtin_ia32_storeups128_mask.
793         (_mm256_mask_loadu_epi64): Pass const long long * to
794         __builtin_ia32_loaddqudi256_mask.
795         (_mm256_maskz_loadu_epi64): Likewise.
796         (_mm_mask_loadu_epi64): Pass const long long * to
797         __builtin_ia32_loaddqudi128_mask.
798         (_mm_maskz_loadu_epi64): Likewise.
799         (_mm256_mask_storeu_epi64): Pass long long * to
800         __builtin_ia32_storedqudi256_mask.
801         (_mm_mask_storeu_epi64): Pass long long * to
802         __builtin_ia32_storedqudi128_mask.
803         (_mm256_mask_loadu_epi32): Pass const int * to
804         __builtin_ia32_loaddqusi256_mask.
805         (_mm256_maskz_loadu_epi32): Likewise.
806         (_mm_mask_loadu_epi32): Pass const int * to
807         __builtin_ia32_loaddqusi128_mask.
808         (_mm_maskz_loadu_epi32): Likewise.
809         (_mm256_mask_storeu_epi32): Pass int * to
810         __builtin_ia32_storedqusi256_mask.
811         (_mm_mask_storeu_epi32): Pass int * to
812         __builtin_ia32_storedqusi128_mask.
813         * config/i386/i386-builtin-types.def (PCSHORT): New.
814         (PINT64): Likewise.
815         (V64QI_FTYPE_PCCHAR_V64QI_UDI): Likewise.
816         (V32HI_FTYPE_PCSHORT_V32HI_USI): Likewise.
817         (V32QI_FTYPE_PCCHAR_V32QI_USI): Likewise.
818         (V16SF_FTYPE_PCFLOAT_V16SF_UHI): Likewise.
819         (V8DF_FTYPE_PCDOUBLE_V8DF_UQI): Likewise.
820         (V16SI_FTYPE_PCINT_V16SI_UHI): Likewise.
821         (V16HI_FTYPE_PCSHORT_V16HI_UHI): Likewise.
822         (V16QI_FTYPE_PCCHAR_V16QI_UHI): Likewise.
823         (V8SF_FTYPE_PCFLOAT_V8SF_UQI): Likewise.
824         (V8DI_FTYPE_PCINT64_V8DI_UQI): Likewise.
825         (V8SI_FTYPE_PCINT_V8SI_UQI): Likewise.
826         (V8HI_FTYPE_PCSHORT_V8HI_UQI): Likewise.
827         (V4DF_FTYPE_PCDOUBLE_V4DF_UQI): Likewise.
828         (V4SF_FTYPE_PCFLOAT_V4SF_UQI): Likewise.
829         (V4DI_FTYPE_PCINT64_V4DI_UQI): Likewise.
830         (V4SI_FTYPE_PCINT_V4SI_UQI): Likewise.
831         (V2DF_FTYPE_PCDOUBLE_V2DF_UQI): Likewise.
832         (V2DI_FTYPE_PCINT64_V2DI_UQI): Likewise.
833         (VOID_FTYPE_PDOUBLE_V8DF_UQI): Likewise.
834         (VOID_FTYPE_PDOUBLE_V4DF_UQI): Likewise.
835         (VOID_FTYPE_PDOUBLE_V2DF_UQI): Likewise.
836         (VOID_FTYPE_PFLOAT_V16SF_UHI): Likewise.
837         (VOID_FTYPE_PFLOAT_V8SF_UQI): Likewise.
838         (VOID_FTYPE_PFLOAT_V4SF_UQI): Likewise.
839         (VOID_FTYPE_PINT64_V8DI_UQI): Likewise.
840         (VOID_FTYPE_PINT64_V4DI_UQI): Likewise.
841         (VOID_FTYPE_PINT64_V2DI_UQI): Likewise.
842         (VOID_FTYPE_PINT_V16SI_UHI): Likewise.
843         (VOID_FTYPE_PINT_V8SI_UHI): Likewise.
844         (VOID_FTYPE_PINT_V4SI_UHI): Likewise.
845         (VOID_FTYPE_PSHORT_V32HI_USI): Likewise.
846         (VOID_FTYPE_PSHORT_V16HI_UHI): Likewise.
847         (VOID_FTYPE_PSHORT_V8HI_UQI): Likewise.
848         (VOID_FTYPE_PCHAR_V64QI_UDI): Likewise.
849         (VOID_FTYPE_PCHAR_V32QI_USI): Likewise.
850         (VOID_FTYPE_PCHAR_V16QI_UHI): Likewise.
851         (V64QI_FTYPE_PCV64QI_V64QI_UDI): Removed.
852         (V32HI_FTYPE_PCV32HI_V32HI_USI): Likewise.
853         (V32QI_FTYPE_PCV32QI_V32QI_USI): Likewise.
854         (V16HI_FTYPE_PCV16HI_V16HI_UHI): Likewise.
855         (V16QI_FTYPE_PCV16QI_V16QI_UHI): Likewise.
856         (V8HI_FTYPE_PCV8HI_V8HI_UQI): Likewise.
857         (VOID_FTYPE_PV32HI_V32HI_USI): Likewise.
858         (VOID_FTYPE_PV16HI_V16HI_UHI): Likewise.
859         (VOID_FTYPE_PV8HI_V8HI_UQI): Likewise.
860         (VOID_FTYPE_PV64QI_V64QI_UDI): Likewise.
861         (VOID_FTYPE_PV32QI_V32QI_USI): Likewise.
862         (VOID_FTYPE_PV16QI_V16QI_UHI): Likewise.
863         * config/i386/i386.c (ix86_emit_save_reg_using_mov): Don't
864         use UNSPEC_STOREU.
865         (ix86_emit_restore_sse_regs_using_mov): Don't use UNSPEC_LOADU.
866         (ix86_avx256_split_vector_move_misalign): Don't use unaligned
867         load nor store.
868         (ix86_expand_vector_move_misalign): Likewise.
869         (bdesc_special_args): Use CODE_FOR_movvNXY_internal and pointer
870         to scalar function prototype for unaligned load/store builtins.
871         (ix86_expand_special_args_builtin): Updated.
872         * config/i386/sse.md (UNSPEC_LOADU): Removed.
873         (UNSPEC_STOREU): Likewise.
874         (VI_ULOADSTORE_BW_AVX512VL): Likewise.
875         (VI_ULOADSTORE_F_AVX512VL): Likewise.
876         (ssescalarsize): Handle V4TI, V2TI and V1TI.
877         (<sse>_loadu<ssemodesuffix><avxsizesuffix><mask_name>): Likewise.
878         (*<sse>_loadu<ssemodesuffix><avxsizesuffix><mask_name>): Likewise.
879         (<sse>_storeu<ssemodesuffix><avxsizesuffix>): Likewise.
880         (<avx512>_storeu<ssemodesuffix><avxsizesuffix>_mask): Likewise.
881         (<sse2_avx_avx512f>_loaddqu<mode><mask_name>): Likewise.
882         (*<sse2_avx_avx512f>_loaddqu<mode><mask_name>"): Likewise.
883         (sse2_avx_avx512f>_storedqu<mode>): Likewise.
884         (<avx512>_storedqu<mode>_mask): Likewise.
885         (*sse4_2_pcmpestr_unaligned): Likewise.
886         (*sse4_2_pcmpistr_unaligned): Likewise.
887         (*mov<mode>_internal): Renamed to ...
888         (mov<mode>_internal): This.  Remove check of AVX and IAMCU on
889         misaligned operand.  Replace vmovdqu64 with vmovdqu<ssescalarsize>.
890         (movsd/movhpd to movupd peephole): Don't use UNSPEC_LOADU.
891         (movlpd/movhpd to movupd peephole): Don't use UNSPEC_STOREU.
893 2016-04-19  Richard Biener  <rguenther@suse.de>
895         PR tree-optimization/70171
896         * tree-ssa-phiprop.c: Include stor-layout.h.
897         (phiprop_insert_phi): Handle the aggregate copy case.
898         (propagate_with_phi): Likewise.
900 2016-04-19  Uros Bizjak  <ubizjak@gmail.com>
902         * config/i386/i386.c (ix86_decompose_address): Use lowpart_subreg
903         instead of simplify_gen_subreg (... , 0).
904         (ix86_delegitimize_address): Ditto.
905         (ix86_split_divmod): Ditto.
906         (ix86_split_copysign_const): Ditto.
907         (ix86_split_copysign_var): Ditto.
908         (ix86_expand_args_builtin): Ditto.
909         (ix86_expand_round_builtin): Ditto.
910         (ix86_expand_special_args_builtin): Ditto.
911         * config/i386/i386.md (TARGET_USE_VECTOR_FP_CONVERTS splitters): Ditto.
912         (TARGET_SSE_PARTIAL_REG_DEPENDENCY splitters and peephole2s): Ditto.
913         (udivmodqi4): Ditto.
914         (absneg splitters): Ditto.
915         (*jcc_bt<mode>_1): Ditto.
917 2016-04-19  Richard Biener  <rguenther@suse.de>
919         PR tree-optimization/70724
920         * tree-ssa-sccvn.c (scc_vn_restore_ssa_info): Split SSA info
921         restoring out from ...
922         (free_scc_vn): ... here.
923         * tree-ssa-sccvn.h (scc_vn_restore_ssa_info): Declare.
924         * tres-ssa-pre.c (pass_pre::execute): Restore SSA info before
925         tail merging.
926         (pass_fre::execute): Restore SSA info.
928 2016-04-19  Richard Biener  <rguenther@suse.de>
930         * gimple-walk.h (struct walk_stmt_info): Add stmt member.
931         * gimple-walk.c (walk_gimple_op): Initialize it.
932         (walk_gimple_asm): Set wi->is_lhs before each callback invocation.
933         * tree-inline.c (remap_gimple_op_r): Set SSA_NAME_DEF_STMT when
934         remapping SSA names of defs.
935         (copy_bb): Remove walk over all SSA defs and SSA_NAME_DEF_STMT
936         adjustment.
938 2016-04-18  Vladimir Makarov  <vmakarov@redhat.com>
940         PR middle-end/70689
941         * lra-constraints.c (equiv_substition_p): New.
942         (process_alt_operands): Use it.
943         (swap_operands): Swap it.
944         (curr_insn_transform): Update it.
946 2016-04-18  Michael Matz  <matz@suse.de>
948         * tree.h (TYPE_ALIGN, DECL_ALIGN): Return shifted amount.
949         (SET_TYPE_ALIGN, SET_DECL_ALIGN): New.
950         * tree-core.h (tree_type_common.align): Use bit-field.
951         (tree_type_common.spare): New.
952         (tree_decl_common.off_align): Make smaller.
953         (tree_decl_common.align): Use bit-field.
955         * expr.c (expand_expr_addr_expr_1): Use SET_TYPE_ALIGN.
956         * omp-low.c (install_var_field): Use SET_DECL_ALIGN.
957         (scan_sharing_clauses): Ditto.
958         (finish_taskreg_scan): Use SET_DECL_ALIGN and SET_TYPE_ALIGN.
959         (omp_finish_file): Ditto.
960         * stor-layout.c (do_type_align): Use SET_DECL_ALIGN.
961         (layout_decl): Ditto.
962         (relayout_decl): Ditto.
963         (finalize_record_size): Use SET_TYPE_ALIGN.
964         (finalize_type_size): Ditto.
965         (finish_builtin_struct): Ditto.
966         (layout_type): Ditto.
967         (initialize_sizetypes): Ditto.
968         * targhooks.c (std_gimplify_va_arg_expr): Use SET_TYPE_ALIGN.
969         * tree-nested.c (insert_field_into_struct): Use SET_TYPE_ALIGN.
970         (lookup_field_for_decl): Use SET_DECL_ALIGN.
971         (get_chain_field): Ditto.
972         (get_trampoline_type): Ditto.
973         (get_nl_goto_field): Ditto.
974         * tree-streamer-in.c (unpack_ts_decl_common_value_fields): Use
975         SET_DECL_ALIGN.
976         (unpack_ts_type_common_value_fields): Use SET_TYPE_ALIGN.
977         * gimple-expr.c (copy_var_decl): Use SET_DECL_ALIGN.
978         * tree.c (make_node_stat): Use SET_DECL_ALIGN and SET_TYPE_ALIGN.
979         (build_qualified_type): Use SET_TYPE_ALIGN.
980         (build_aligned_type, build_range_type_1): Ditto.
981         (build_atomic_base): Ditto.
982         (build_common_tree_nodes): Ditto.
983         * cfgexpand.c (align_local_variable): Use SET_DECL_ALIGN.
984         (expand_one_stack_var_at): Ditto.
985         * coverage.c (build_var): Use SET_DECL_ALIGN.
986         * except.c (init_eh): Ditto.
987         * function.c (assign_parm_setup_block): Ditto.
988         * symtab.c (increase_alignment_1): Ditto.
989         * tree-ssa-ccp.c (fold_builtin_alloca_with_align): Ditto.
990         * tree-vect-stmts.c (ensure_base_align): Ditto.
991         * varasm.c (align_variable): Ditto.
992         (assemble_variable): Ditto.
993         (build_constant_desc): Ditto.
994         (output_constant_def_contents): Ditto.
996         * config/arm/arm.c (arm_relayout_function): Use SET_DECL_ALIGN.
997         * config/avr/avr.c (avr_adjust_type_node): Use SET_TYPE_ALIGN.
998         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): Ditto.
999         * config/msp430/msp430.c (msp430_gimplify_va_arg_expr): Ditto.
1000         * config/spu/spu.c (spu_build_builtin_va_list): Use SET_DECL_ALIGN.
1002 2016-04-18  H.J. Lu  <hongjiu.lu@intel.com>
1004         PR target/70708
1005         * config/i386/sse.md (sse2_loadlpd): Accept load from "xm" and
1006         replace %vmovsd with "%vmovq".
1007         (vec_concatv2df): Likewise.
1009 2016-04-18  Uros Bizjak  <ubizjak@gmail.com>
1011         * config/i386/mmx.md (*vec_extractv2sf_0): Use gen_lowpart.
1012         (*vec_extractv2si_0): Ditto.
1013         * config/i386/sse.md (*vec_extractv4sf_0): Ditto.
1014         (zero_extended_scalar_load_operand splitters): Ditto.
1015         (vec_extract splitters): Ditto.
1016         (*vec_extractv4si_0_zext): Ditto.
1017         (avx_<castmode><avxsizesuffix>_<castmode>): Use gen_lowpart
1018         and lowpart_subreg.
1019         (avx512f_<castmode><avxsizesuffix>_<castmode>): Ditto.
1020         (avx512f_<castmode><avxsizesuffix>_256<castmode>): Ditto.
1021         (*sse4_1_extractps): Use lowpart_subreg.
1023 2016-04-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1025         * doc/install.texi (Specific, i?86-*-solaris2.10): Update gas and
1026         gld requirements.
1027         (Specific, *-*-solaris2*): Update Solaris 11 bundled gcc versions.
1028         Mention Solaris 11 packaging changes.
1029         Update gas and gld requirements.
1030         Remove reference to pre-Solaris 10 bug.
1031         (Specific, sparc-sun-solaris2*): Remove reference to pre-Solaris 10
1032         systems and bugs.
1033         (Specific, sparc64-*-solaris2*): Remove reference to bootstrap
1034         with cc.
1036 2016-04-17  Jan Hubicka  <jh@suse.cz>
1038         * tree-ssa-loop-ivopts.c (avg_loop_niter): Use also
1039         max_loop_iterations_int.
1041 2016-04-18  Richard Biener  <rguenther@suse.de>
1043         PR tree-optimization/43434
1044         * tree-ssa-structalias.c (struct vls_data): New.
1045         (visit_loadstore): Handle all pointer-based accesses.
1046         (compute_dependence_clique): Compute a bitmap of restrict tags
1047         assigned bases and pass it to visit_loadstore.
1049 2016-04-18  Matthew Wahab  <matthew.wahab@arm.com>
1051         PR target/70711
1052         * config/arm/bpabi.h (BE8_LINK_SPEC): Add entries for armv8+crc,
1053         armv8.1-a and armv8.1-a+crc.
1055 2016-04-18  Richard Biener  <rguenther@suse.de>
1057         PR tree-optimization/70701
1058         * tree-ssa-sccvn.c (vn_reference_lookup_3): Resolve fully constant
1059         references after translating through a memcpy.
1061 2016-04-18  Richard Biener  <rguenther@suse.de>
1063         * tree-ssa-pre.c (postorder, postorder_num): Make locals ...
1064         (compute_antic): ... here.  For partial antic use regular
1065         postorder and scrap iteration.
1066         (compute_partial_antic_aux): Remove unused return value.
1067         (init_pre): Do not allocate postorder.
1068         (fini_pre): Do not free postorder.
1070 2016-04-18  Richard Biener  <rguenther@suse.de>
1072         PR middle-end/37870
1073         * expmed.c (extract_bit_field_1): Remove broken case
1074         using a wider MODE_INT mode.
1076 2016-04-18  Segher Boessenkool  <segher@kernel.crashing.org>
1078         * has-brig.c (lendian16): Don't try to use __builtin_bswap16
1079         unless compiling with at least GCC-4.8.
1081 2016-04-17  Jan Hubicka  <jh@suse.cz>
1083         PR bootstrap/70706
1084         * graphite.c (graphite_finalize): Update call to
1085         tree_estimate_probability.
1086         * predict.h (tree_estimate_probability): Update prototype.
1088 2016-04-17  Jan Hubicka  <jh@suse.cz>
1090         * predict.c (combine_predictions_for_bb): Add dry_run parmaeter.
1091         (tree_estimate_probability): Likewise.
1092         (pass_profile::execute): Update.
1093         (report_predictor_hitrates): New function.
1094         * profile.c (compute_branch_probabilities): Use it.
1095         * predict.h (report_predictor_hitrates): Declare.
1097 2016-04-17  Jan Hubicka  <jh@suse.cz>
1099         PR ipa/70018
1100         * cgraph.h (cgraph_node::set_const_flag,
1101         cgraph_node::set_pure_flag): Update prototype to return bool;
1102         update comment.
1103         * cgraph.c (cgraph_node::call_for_symbol_thunks_and_aliases): Thunks
1104         of interposable symbol are interposable, too.
1105         (cgraph_set_const_flag_1): Rename to ...
1106         (set_const_flag_1): ... this one; change to self recursive function
1107         instead of call_for_symbol_thunks_and_aliases. Handle correctly
1108         clearnig the flag in all variants and also virtual thunks of const
1109         functions are pure; track if any change was done.
1110         (cgraph_node::set_const_flag): Update.
1111         (struct set_pure_flag_info): New struct.
1112         (cgraph_set_pure_flag_1): Rename to ...
1113         (set_pure_flag_1): ... this one; take set_pure_flag_info parameter
1114         rather than pointer encoded flags; track if any changes was done;
1115         handle correctly clearning flag and setting flag of aliases already
1116         declared const.
1117         (cgraph_node::set_pure_flag): Update.
1118         (cgraph_node::set_nothrow_flag): Handle correctly clearning the flag.
1120 2016-04-17  Tom de Vries  <tom@codesourcery.com>
1122         PR other/70433
1123         * pretty-print.c (pp_write_text_as_dot_label_to_stream): Escape
1124         backslash in label.
1126 2016-04-17  Tom de Vries  <tom@codesourcery.com>
1128         * pretty-print.c (pp_write_text_as_dot_label_to_stream): Classify chars
1129         '{}<> ' as escape-for-record.
1131 2016-04-17  Tom de Vries  <tom@codesourcery.com>
1133         * pretty-print.c (pp_write_text_as_dot_label_to_stream): Simplify loop
1134         structure.
1136 2016-04-17  Tom de Vries  <tom@codesourcery.com>
1138         PR other/70185
1139         * tree-pass.h (class opt_pass): Remove graph_dump_initialized member.
1140         * dumpfile.h (struct dump_file_info): Add graph_dump_initialized field.
1141         * dumpfile.c (dump_files): Initialize graph_dump_initialized field.
1142         * passes.c (finish_optimization_passes): Only call
1143         finish_graph_dump_file if dfi->graph_dump_initialized.
1144         (execute_function_dump, pass_init_dump_file): Use
1145         dfi->graph_dump_initialized instead of pass->graph_dump_initialized.
1147 2016-04-17  Tom de Vries  <tom@codesourcery.com>
1149         PR tree-optimization/70256
1150         * tree-ssa-structalias.c (dump_varinfo, debug_varinfo, dump_varmap)
1151         (debug_varmap): New function.
1153 2016-04-17  Tom de Vries  <tom@codesourcery.com>
1155         PR other/70183
1156         * passes.c (pass_manager::register_pass): Propagate pflags.
1158 2016-04-17  Tom de Vries  <tom@codesourcery.com>
1160         PR other/68875
1161         * pass_manager.h (TERMINATE_PASS_LIST): Add pass argument.
1162         * passes.c (pass_manager::pass_manager): Declare and init p_start in
1163         INSERT_PASSES_AFTER.  Add pass parameter to TERMINATE_PASS_LIST, and
1164         check if it's equal to p_start.
1165         * passes.def: Add arguments to TERMINATE_PASS_LISTs.
1167 2016-04-15  Jan Hubicka  <jh@suse.cz>
1169         PR ipa/70018
1170         * cgraph.c (cgraph_set_const_flag_1): Only set as pure if
1171         function does not bind to current def.
1172         * ipa-pure-const.c (worse_state): Add FROM and TO parameters;
1173         handle conservatively calls to functions that does not need to bind
1174         to current def.
1175         (check_call): Update call of worse_state.
1176         (ignore_edge_for_nothrow): Update.
1177         (ignore_edge_for_pure_const): Likewise.
1178         (propagate_pure_const): Update calls to worse_state.
1179         (skip_function_for_local_pure_const): Reformat comments.
1181 2016-04-15  Jan Hubicka  <jh@suse.cz>
1183         PR ipa/70018
1184         * cgraph.c (cgraph_node::get_availability): Add REF parameter.
1185         (cgraph_node::function_symbol): Likewise.
1186         (cgraph_node::function_or_virtual_thunk_symbol): Likewise.
1187         * cgraph.h (symtab_node::get_availabbility): Add REF parameter.
1188         (symtab_node::ultimate_alias_target): Add REF parameter.
1189         (symtab_node::binds_to_current_def_p): Declare.
1190         (symtab_node;:ultimate_alias_target_1): Add REF parameter.
1191         (cgraph_node::function_symbol): Likewise.
1192         (cgraph_node::function_or_virtual_thunk_symbol): Likewise.
1193         (cgraph_node::get_availability): Likewise.
1194         (cgraph_edge::binds_to_current_def_p): New inline function.
1195         (varpool_node::get_availability): Add REF parameter.
1196         (varpool_node::ultimate_alias_target): Likewise.
1197         * symtab.c (symtab_node::ultimate_alias_target_1): Likewise.
1198         (symtab_node::binds_to_current_def_p): Likewise.
1199         * varpool.c (varpool_node::get_availability): Likewise.
1201 2016-04-15  Kirill Yukhin  <kirill.yukhin@intel.com>
1203         PR target/70662
1204         * config/i386/sse.md(define_insn "<avx512>_vec_dup<mode><mask_name>"):
1205         Fix mode size check.
1207 2016-04-15  Jakub Jelinek  <jakub@redhat.com>
1209         * BASE-VER: Set to 7.0.0.
1211 2016-04-15  Alexander Monakov  <amonakov@ispras.ru>
1213         * config/nvptx/nvptx.opt (moptimize): Add a period at end of help text.
1215 2016-04-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1217         * doc/invoke.texi (ARM Options): Add note on deprecation of pre-ARMv4T
1218         architecture revisions.
1220 2016-04-15  Bernd Schmidt  <bschmidt@redhat.com>
1222         * config/i386/i386-protos.h (ix86_using_red_zone): Declare.
1223         * config/i386/i386.c (ix86_using_red_zone): No longer static.
1224         * config/i386/i386.md (stack decrement to push peepholes): Guard
1225         with !x86_using_red_zone ().
1227 2016-04-15  Jakub Jelinek  <jakub@redhat.com>
1229         PR c++/70675
1230         * tree-pretty-print.c (do_niy): Add FLAGS argument, pass it down
1231         to dump_generic_node.
1232         (NIY): Pass also flags to do_niy.
1234 2016-04-15  Thomas Schwinge  <thomas@codesourcery.com>
1236         * omp-low.c (simd_clone_struct_alloc, simd_clone_struct_copy)
1237         (simd_clone_vector_of_formal_parm_types)
1238         (simd_clone_clauses_extract, simd_clone_compute_base_data_type)
1239         (simd_clone_mangle, simd_clone_create)
1240         (simd_clone_adjust_return_type, create_tmp_simd_array)
1241         (simd_clone_adjust_argument_types, simd_clone_init_simd_arrays)
1242         (struct modify_stmt_info, ipa_simd_modify_stmt_ops)
1243         (ipa_simd_modify_function_body, simd_clone_linear_addend)
1244         (simd_clone_adjust, expand_simd_clones, ipa_omp_simd_clone)
1245         (pass_data_omp_simd_clone, class pass_omp_simd_clone)
1246         (pass_omp_simd_clone::gate, make_pass_omp_simd_clone): Move into...
1247         * omp-simd-clone.c: ... this new file.
1248         (simd_clone_vector_of_formal_parm_types): Make it static.
1249         * Makefile.in (OBJS): Add omp-simd-clone.o.
1251 2016-04-15  Kirill Yukhin  <kirill.yukhin@intel.com>
1253         PR target/70662
1254         * config/i386/sse.md: Use proper memory operand modifiers.
1257 2016-04-15  Richard Biener  <rguenther@suse.de>
1258         Alan Modra  <amodra@gmail.com>
1260         PR tree-optimization/70130
1261         * tree-vect-data-refs.c (vect_supportable_dr_alignment): Detect
1262         when alignment stays not the same and no not use the realign
1263         scheme then.
1265 2016-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
1267         PR target/70669
1268         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add
1269         direct move handlers for KFmode. Change TFmode handlers test from
1270         FLOAT128_IEEE_P to FLOAT128_VECTOR_P.
1272 2016-04-14  Jakub Jelinek  <jakub@redhat.com>
1274         PR c++/70594
1275         * ipa-utils.h (polymorphic_ctor_dtor_p): New prototype.
1276         * ipa-polymorphic-call.c (polymorphic_ctor_dtor_p): New function.
1277         (inlined_polymorphic_ctor_dtor_block_p): Use it.
1278         * tree-ssa-live.c (remove_unused_scope_block_p): When
1279         in_ctor_dtor_block, avoid discarding not just BLOCKs with
1280         BLOCK_ABSTRACT_ORIGIN being FUNCTION_DECL, but even when
1281         block_ultimate_origin is FUNCTION_DECL.
1282         (remove_unused_locals): If current_function_decl is
1283         polymorphic_ctor_dtor_p, pass initial true to
1284         remove_unused_scope_block_p' is_ctor_dtor_block.
1286 2016-04-14  Martin Sebor  <msebor@redhat.com>
1288         PR c++/69517
1289         PR c++/70019
1290         PR c++/70588
1291         * doc/extend.texi (Variable Length): Revert.
1293 2016-04-14  Marek Polacek  <polacek@redhat.com>
1294             Jan Hubicka  <hubicka@ucw.cz>
1296         PR c++/70029
1297         * tree.c (verify_type): Disable the canonical type of main variant
1298         check.
1300 2016-04-14  Jason Merrill  <jason@redhat.com>
1302         * cfgexpand.c, expr.c: Revert previous change.
1304 2016-04-14  Cesar Philippidis  <cesar@codesourcery.com>
1306         PR middle-end/70643
1307         * omp-low.c (lower_oacc_reductions): Check for TREE_CONSTANT
1308         when building a mem ref for the incoming reduction variable.
1310 2016-04-14  Richard Biener  <rguenther@suse.de>
1312         PR tree-optimization/70614
1313         * tree-scalar-evolution.c (analyze_evolution_in_loop): Terminate
1314         loop if the evolution dropped to chrec_dont_know.
1315         (interpret_condition_phi): Likewise.
1317 2016-04-14  Richard Biener  <rguenther@suse.de>
1319         PR tree-optimization/70623
1320         * tree-ssa-pre.c (changed_blocks): Make global ...
1321         (compute_antic): ... local here.  Move and fix worklist
1322         handling here.  Do not clear EDGE_DFS_BACK or call mark_dfs_back_edges.
1323         (compute_antic_aux): Add dumping for MAX assumed succs.  Remove
1324         worklist handling, dump when ANTIC_IN changed.
1325         (compute_partial_antic_aux): Remove worklist handling.
1326         (init_pre): Do not compute post dominators.  Add a comment about
1327         the CFG order chosen.
1328         (fini_pre): Do not free post dominators.
1330 2016-04-13  Martin Sebor  <msebor@redhat.com>
1332         PR c++/69517
1333         PR c++/70019
1334         PR c++/70588
1335         * doc/extend.texi (Variable Length): Document C++ specifics.
1337 2016-04-13  Jakub Jelinek  <jakub@redhat.com>
1339         PR c++/70641
1340         * ipa-pure-const.c (pass_nothrow::execute): Call maybe_clean_eh_stmt
1341         on all recursive call stmts.  Return TODO_cleanup_cfg if any dead
1342         eh edges have been purged.
1344         PR c++/70594
1345         * tree-sra.c (create_access_replacement,
1346         get_replaced_param_substitute): Set DECL_NAMELESS on repl if it
1347         gets fancy name.
1348         * tree-pretty-print.c (dump_fancy_name): New function.
1349         (dump_decl_name, dump_generic_node): Use it.
1351 2016-04-13  Jason Merrill  <jason@redhat.com>
1353         * cfgexpand.c (pass_expand::execute): Handle attribute "abi warning".
1354         * expr.c (expand_expr_real_1): Likewise.
1356 2016-04-13  Ilya Enkovich  <ilya.enkovich@intel.com>
1358         * config/i386/i386.md (kunpckhi): Swap operands.
1359         (kunpcksi): Likewise.
1360         (kunpckdi): Likewise.
1361         * config/i386/sse.md (vec_pack_trunc_qi): Likewise.
1362         (vec_pack_trunc_<mode>): Likewise.
1364 2016-04-13  Jakub Jelinek  <jakub@redhat.com>
1366         PR debug/70628
1367         * explow.c (convert_memory_address_addr_space_1): Formatting fix.
1369         PR middle-end/70633
1370         * gimplify.c (gimplify_init_constructor): Clear TREE_STATIC if
1371         gimplification turns some element into non-constant.
1373         PR debug/70628
1374         * rtl.h (convert_memory_address_addr_space_1): New prototype.
1375         * explow.c (convert_memory_address_addr_space_1): No longer static,
1376         add NO_EMIT argument and don't call convert_modes if true, pass
1377         it down recursively, remove break after return.
1378         (convert_memory_address_addr_space): Adjust caller.
1379         * simplify-rtx.c (simplify_unary_operation_1): Call
1380         convert_memory_address_addr_space_1 instead of convert_memory_address,
1381         if it returns NULL, don't simplify.
1383 2016-04-12  Eric Botcazou  <ebotcazou@adacore.com>
1385         PR target/70630
1386         * config/sparc/sparc.c (sparc_compute_frame_size): Add parentheses.
1388 2016-04-12  Jakub Jelinek  <jakub@redhat.com>
1390         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
1391         Bump the upper SIMDLEN limits, so that if the return type or
1392         characteristic type if the return type is void can be passed in
1393         all available SSE2/AVX/AVX2/AVX512-F registers, the SIMDLEN is
1394         allowed.
1396 2016-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
1398         PR target/70640
1399         * config/rs6000/rs6000.md (ieee_128bit_vsx_neg<mode>2_internal):
1400         Do not use "=" constraint on an input constraint.
1401         (ieee_128bit_vsx_abs<mode>2_internal): Likewise.
1402         (ieee_128bit_vsx_nabs<mode>2_internal): Likewise.
1403         (ieee_128bit_vsx_nabs<mode>2): Correct splitter so that it
1404         generates (neg (abs ...)) instead of (abs ...).
1406 2016-04-12  Jakub Jelinek  <jakub@redhat.com>
1408         PR rtl-optimization/70596
1409         * lra-spills.c (spill_pseudos): Don't delete debug insns, instead
1410         just invalidate LRA data and reset them.  Adjust dump wording.
1412 2016-04-12  Martin Liska  <mliska@suse.cz>
1414         Revert
1415         2016-03-30  Jan Hubicka  <hubicka@ucw.cz>
1417         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can't get realistic
1418         estimates here.
1419         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
1420         max_loop_iterations_int.
1421         (tree_unswitch_outer_loop): Likewise.
1422         * tree-ssa-loop-ivopts.c (avg_loop_niter): Likewise.
1423         * tree-vect-loop.c (vect_analyze_loop_2): Likewise.
1425 2016-04-12  Tom de Vries  <tom@codesourcery.com>
1427         PR tree-optimization/68756
1428         * graphite-isl-ast-to-gimple.c (copy_cond_phi_args): Use new_expr
1429         instead of new_name.
1431 2016-04-12  Jakub Jelinek  <jakub@redhat.com>
1433         PR tree-optimization/70602
1434         * tree-sra.c (generate_subtree_copies): Don't write anything into
1435         constant pool decls.
1437         * omp-low.c (lower_omp_target): Use GOMP_MAP_FIRSTPRIVATE_INT
1438         regardless whether there are depend clauses or not.
1440 2016-04-11  Michael Meissner  <meissner@linux.vnet.ibm.com>
1442         PR target/70381
1443         * config/rs6000/rs6000.c (rs6000_opt_masks): Disable using the
1444         target attribute and pragma from changing the -mfloat128
1445         and -mfloat128-hardware options.
1447         * doc/extend.texi (Additional Floating Types): Document PowerPC
1448         __float128 restrictions.
1450 2016-04-11  James Greenhalgh  <james.greenhalgh@arm.com>
1452         PR target/70133
1453         * config/aarch64/driver-aarch64.c
1454         (aarch64_get_extension_string_for_isa_flags): New.
1455         (arch_extension): Rename to...
1456         (aarch64_arch_extension): ...This.
1457         (ext_to_feat_string): Rename to...
1458         (aarch64_extensions): ...This.
1459         (aarch64_core_data): Keep track of architecture extension flags.
1460         (cpu_data): Rename to...
1461         (aarch64_cpu_data): ...This.
1462         (aarch64_arch_driver_info): Keep track of architecture extension
1463         flags.
1464         (get_arch_name_from_id): Rename to...
1465         (get_arch_from_id): ...This, change return type.
1466         (host_detect_local_cpu): Update and reformat for renames, handle
1467         extensions through common infrastructure.
1469 2016-04-11  James Greenhalgh  <james.greenhalgh@arm.com>
1471         PR target/70133
1472         * config/aarch64/aarch64-common.c (aarch64_option_extension): Keep
1473         track of a canonical flag name.
1474         (all_extensions): Likewise.
1475         (arch_to_arch_name): Also track extension flags enabled by the arch.
1476         (all_architectures): Likewise.
1477         (aarch64_parse_extension): Move to here.
1478         (aarch64_get_extension_string_for_isa_flags): Take a new argument,
1479         rework.
1480         (aarch64_rewrite_selected_cpu): Update for above change.
1481         * config/aarch64/aarch64-option-extensions.def: Rework the way flags
1482         are handled, such that the single explicit value enabled by an
1483         extension is kept seperate from the implicit values it also enables.
1484         * config/aarch64/aarch64-protos.h (aarch64_parse_opt_result): Move
1485         to here.
1486         (aarch64_parse_extension): New.
1487         * config/aarch64/aarch64.c (aarch64_parse_opt_result): Move from
1488         here to config/aarch64/aarch64-protos.h.
1489         (aarch64_parse_extension): Move from here to
1490         common/config/aarch64/aarch64-common.c.
1491         (aarch64_option_print): Update.
1492         (aarch64_declare_function_name): Likewise.
1493         (aarch64_start_file): Likewise.
1494         * config/aarch64/driver-aarch64.c (arch_extension): Keep track of
1495         the canonical flag for extensions.
1496         * config.gcc (aarch64*-*-*): Extend regex for capturing extension
1497         flags.
1499 2016-04-11  James Greenhalgh  <james.greenhalgh@arm.com>
1501         * config/aarch64/aarch64.h (AARCH64_FL_FOR_ARCH8_1): Also add
1502         AARCH64_FL_CRC.
1504 2016-04-09  Tom de Vries  <tom@codesourcery.com>
1506         PR tree-optimization/68953
1507         * graphite-sese-to-poly.c (pdr_add_memory_accesses): Order accesses from
1508         first to last subscript.
1510 2016-04-09  Jakub Jelinek  <jakub@redhat.com>
1512         PR tree-optimization/70586
1513         * tree-ssa-ifcombine.c (bb_no_side_effects_p): Return false
1514         for any calls.
1516 2016-04-08  Cesar Philippidis  <cesar@codesourcery.com>
1518         PR lto/70289
1519         PR ipa/70348
1520         PR tree-optimization/70373
1521         PR middle-end/70533
1522         PR middle-end/70534
1523         PR middle-end/70535
1524         * gimplify.c (gimplify_adjust_omp_clauses): Add or adjust data
1525         clauses for acc parallel reductions as necessary.  Error on those
1526         that are private.
1527         * omp-low.c (scan_sharing_clauses): Don't install variables which
1528         are used in acc parallel reductions.
1529         (lower_rec_input_clauses): Remove dead code.
1530         (lower_oacc_reductions): Add support for reference reductions.
1531         (lower_reduction_clauses): Remove dead code.
1532         (lower_omp_target): Don't remap variables appearing in acc parallel
1533         reductions.
1534         * tree.h (OMP_CLAUSE_MAP_IN_REDUCTION): New macro.
1536 2016-04-08  Jakub Jelinek  <jakub@redhat.com>
1538         PR middle-end/70593
1539         * tree-ssa-coalesce.c (build_ssa_conflict_graph): For stmt
1540         with multiple SSA_NAME defs, force the outputs other than first
1541         to be live before calling live_track_process_def on each output.
1543         PR rtl-optimization/70574
1544         * fwprop.c (forward_propagate_and_simplify): Don't add
1545         REG_EQUAL note if DF_REF_REG (use) is a paradoxical subreg.
1546         (try_fwprop_subst): Don't add REG_EQUAL note if there are any
1547         paradoxical subregs within *loc.
1549 2016-04-08  Thomas Schwinge  <thomas@codesourcery.com>
1551         * config/arc/arc.h (LINK_COMMAND_SPEC): Use gt to ignore
1552         -ftree-parallelize-loops={0,1}.
1553         * config/darwin.h (LINK_COMMAND_SPEC_A): Likewise.
1554         * config/i386/mingw32.h (GOMP_SELF_SPECS): Likewise.
1555         * config/ia64/hpux.h (LIB_SPEC): Likewise.
1556         * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
1557         * config/pa/pa64-hpux.h (LIB_SPEC): Likewise.
1559 2016-04-08  Maxim Ostapenko  <m.ostapenko@samsung.com>
1561         PR sanitizer/70541
1562         * asan.c (instrument_derefs): If we get unknown location, extract it
1563         with EXPR_LOCATION.
1564         (maybe_instrument_call): Instrument gimple_call's arguments if needed.
1566 2016-04-08  Tom de Vries  <tom@codesourcery.com>
1568         * omp-low.c (lower_omp_target): Set TREE_NO_WARNING for oacc
1569         implicit firstprivate clause.
1571 2016-04-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1573         PR target/70566
1574         * config/arm/thumb2.md (tst + branch-> lsls + branch
1575         peephole below *orsi_not_shiftsi_si): Require that condition
1576         register is dead after the peephole.
1577         (second peephole after the above): Likewise.
1579 2016-04-08  Alan Modra  <amodra@gmail.com>
1581         PR target/70117
1582         * builtins.c (fold_builtin_classify): For IBM extended precision,
1583         look at just the high-order double to test for NaN.
1584         (fold_builtin_interclass_mathfn): Similarly for Inf.  For isnormal
1585         test just the high double for Inf but both doubles for subnormal
1586         limit.
1588 2016-04-07  Jakub Jelinek  <jakub@redhat.com>
1590         * cgraph.h (struct cgraph_simd_clone): Add mask_mode field.
1591         * omp-low.c (simd_clone_init_simd_arrays, simd_clone_adjust): Handle
1592         node->simdclone->mask_mode != VOIDmode masks.
1593         (simd_clone_adjust_argument_types): Likewise.  Move sc var definition
1594         earlier, use it instead of node->simdclone.
1595         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
1596         Set clonei->mask_mode.
1598 2016-04-06  Patrick Palka  <ppalka@gcc.gnu.org>
1600         PR c/70436
1601         * parser.c (cp_parser_iteration_statement): New parameter IF_P.
1602         Pass it through to cp_parser_already_scoped_statement.
1603         (cp_parser_already_scoped_statement): New parameter IF_P.  Pass
1604         it through to cp_parser_statement.
1605         (cp_parser_statement): Pass IF_P through to
1606         cp_parser_iteration_statement.
1607         (cp_parser_pragma): Adjust call to
1608         cp_parser_iteration_statement.
1610 2016-04-06  Patrick Palka  <ppalka@gcc.gnu.org>
1612         PR c/70436
1613         * gimplify.c (gimplify_omp_ordered): Add explicit braces to
1614         resolve a future -Wparentheses warning.
1615         * omp-low.c (scan_sharing_clauses): Likewise.
1616         * tree-parloops.c (eliminate_local_variables): Likewise.
1618 2016-04-06  Vladimir Makarov  <vmakarov@redhat.com>
1620         PR rtl-optimization/70398
1621         * lra-constraints.c (process_address_1): Check zero scale and code
1622         for reloading with zero scale.
1624 2016-04-06  Uros Bizjak  <ubizjak@gmail.com>
1626         * config/i386/sse.md (shuffletype): Add V32HI and V4TI modes.
1627         (ssescalarsize): Add V8SF, V4SF, V4DF and V2DF modes.
1629 2016-04-06  Jakub Jelinek  <jakub@redhat.com>
1631         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
1632         Add support for AVX512F clones, include them by default for
1633         exported OpenMP declare simd functions.  For AVX2 allow simdlen 32
1634         and use it if charasteric type is 8-bit, for AVX512F allow simdlen
1635         up to 128.
1637         PR middle-end/70550
1638         * tree.h (OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT): Define.
1639         * gimplify.c (gimplify_adjust_omp_clauses_1): Set it for implicit
1640         firstprivate clauses.
1641         * omp-low.c (lower_send_clauses): Set TREE_NO_WARNING for
1642         OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT !by_ref vars in task contexts.
1643         (lower_omp_target): Set TREE_NO_WARNING for
1644         non-addressable possibly uninitialized vars which are copied into
1645         addressable temporaries or copied for GOMP_MAP_FIRSTPRIVATE_INT.
1647 2016-04-05  John David Anglin  <danglin@gcc.gnu.org>
1649         * config/pa/predicates.md (integer_store_memory_operand): Accept
1650         REG+D operands with a large offset when reload_in_progress is true.
1651         (floating_point_store_memory_operand): Likewise.
1653 2016-04-05  Jakub Jelinek  <jakub@redhat.com>
1655         PR c++/70336
1656         * match.pd (nested int casts): Limit to GIMPLE.
1658 2016-04-05  Jan Hubicka  <hubicka@ucw.cz>
1660         PR ipa/66223
1661         * ipa-devirt.c (maybe_record_node): Fix comment; use
1662         SANITIZE_UNREACHABLE instead of SANITIZE_UNDEFINED.
1664 2016-04-05  Jakub Jelinek  <jakub@redhat.com>
1666         PR rtl-optimization/70542
1667         * ree.c (add_removable_extension): For VECTOR_MODE_P punt
1668         if there are any uses other than insn or debug insns.
1670 2016-04-05  Marc Glisse  <marc.glisse@inria.fr>
1671             Jakub Jelinek  <jakub@redhat.com>
1673         PR tree-optimization/70509
1674         * simplify-rtx.c (simplify_binary_operation_1) <case VEC_SELECT>:
1675         Shift HOST_WIDE_INT_1U instead of 1.
1677 2016-04-05  Zdenek Sojka  <zsojka@seznam.cz>
1679         PR tree-optimization/70509
1680         * tree-ssa-forwprop.c (simplify_bitfield_ref): Use bitsize_int instead
1681         of the vector base type for index.
1683 2016-04-05  Uros Bizjak  <ubizjak@gmail.com>
1685         PR target/70510
1686         * config/i386/sse.md (iptr): Add V64QI, V32HI, V16SI and V8DI modes.
1688 2016-04-05  Richard Biener  <rguenther@suse.de>
1690         PR tree-optimization/70526
1691         * tree-sra.c (build_ref_for_offset): Use prev_base to
1692         extract the alias pointer type.
1694 2016-04-05  Richard Biener  <rguenther@suse.de>
1696         * dse.c (struct store_info): Remove alias_set member.
1697         (struct read_info_type): Likewise.
1698         (clear_alias_group, clear_alias_mode_table, clear_alias_mode_holder,
1699         spill_deleted, clear_alias_set_lookup): Remove.
1700         (get_group_info): Remove dead base == NULL_RTX case.
1701         (dse_step0): Remove initialization of removed variables.
1702         (delete_dead_store_insn): Reomve alias set dumping.
1703         (free_read_records): Remove alias_set handling.
1704         (canon_address): Remove alias_set_out parameter.
1705         (record_store): Remove spill_alias_set, it's always zero.
1706         (check_mem_read_rtx): Likewise.
1707         (dse_step2): Rename from ...
1708         (dse_step2_nospill): ... this.  Adjust.
1709         (scan_stores): Rename from ...
1710         (scan_stores_nospill): ... this.
1711         (scan_reads): Rename from ...
1712         (scan_reads_nospill): ... this.
1713         (scan_stores_spill, scan_reads_spill): Remove.
1714         (dse_step3_scan): Remove for_spills argument which is always false.
1715         (dse_step3): Likewise.
1716         (dse_step5): Rename from ...
1717         (dse_step5_nospill): ... this.  Remove alias_set handling.
1718         (rest_of_handle_dse): Adjust.
1720 2016-04-05  Jakub Jelinek  <jakub@redhat.com>
1722         PR target/70525
1723         * config/i386/sse.md (*andnot<mode>3): Simplify assertions.
1724         Use vpandn<ssemodesuffix> for V16SI/V8DImode, vpandnq for
1725         V32HI/V64QImode, don't use <mask_operand3_1>, fix up formatting.
1726         (*andnot<mode>3_mask): Remove insn with VI12_AVX512VL iterator.
1728 2016-04-05  Richard Biener  <rguenther@suse.de>
1730         PR middle-end/70499
1731         * gimplify-me.c (gimple_regimplify_operands): Do not rewrite
1732         non-register type temporaries into SSA.
1734 2016-04-04  Jan Hubicka  <hubicka@ucw.cz>
1736         PR ipa/66223
1737         * ipa-devirt.c (maybe_record_node): Do not optimize cxa_pure_virtual
1738         calls when sanitizing.
1739         (possible_polymorphic_call_target_p): Fix formatting.
1741 2016-04-04  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1742             Jakub Jelinek <jakub@redhat.com>
1744         PR middle-end/70457
1745         * tree-inline.c (estimate_num_insn): Use gimple_call_builtin_p
1746         to ensure a call statement is compatible with a built-in's
1747         prototype.
1748         * tree-ssa-math-opts.c (pass_optimize_windening_mul::execute):
1749         Likewise.
1751 2016-04-04  Richard Biener  <rguenther@suse.de>
1753         PR rtl-optimization/70484
1754         * rtl.h (canon_output_dependence): Declare.
1755         * alias.c (canon_output_dependence): New function.
1756         * dse.c (record_store): Use canon_output_dependence rather
1757         than canon_true_dependence.
1759 2016-03-30  Jan Hubicka  <hubicka@ucw.cz>
1761         PR ipa/68881
1762         * cgraph.h (symtab_node::copy_visibility_from): New function.
1763         * symtab.c (symtab_node::copy_visibility_from): New function.
1764         * ipa-visibility.c (optimize_weakref): New function.
1765         (function_and_variable_visibility): Use it.
1767 2016-04-04  Martin Liska  <mliska@suse.cz>
1769         PR hsa/70402
1770         * hsa-gen.c (gen_hsa_insns_for_switch_stmt): Guard index
1771         value that is really in range handled by SBR instruction.
1772         * hsa-brig.c (emit_switch_insn): Do not emit unconditional jump.
1773         * hsa-dump.c (dump_hsa_insn_1): Do not dump default BB.
1774         * hsa.h (hsa_insn_sbr::m_default_bb): Remove field.
1776 2016-04-03  Oleg Endo  <olegendo@gcc.gnu.org>
1778         PR target/70416
1779         PR target/67391
1780         * config/sh/sh.md (*addsi3): Allow pattern when reload_in_progress is
1781         set, but not for SP_REG operands.
1783 2016-04-02  Martin Sebor  <msebor@redhat.com>
1785         PR c++/67376
1786         * fold-const.c (maybe_nonzero_address): New function.
1787         (fold_comparison): Call it.  Fold equality and relational
1788         expressions involving null pointers.
1789         (tree_single_nonzero_warnv_p): Call maybe_nonzero_address.
1791 2016-03-31  Evandro Menezes  <e.menezes@samsung.com>
1793         Fix the predicate "aarch64_simd_reg_or_zero" to correctly validate
1794         the "Y" constraint (scalar FP 0.0 immediate).
1796         * gcc/config/aarch64/predicates.md (aarch64_simd_reg_or_zero):
1797         Add the "const_double" to the list of operand constraints.
1799 2016-04-01  Jakub Jelinek  <jakub@redhat.com>
1801         PR rtl-optimization/70467
1802         * config/i386/i386.md (*add<dwi>3_doubleword, *sub<dwi>3_doubleword):
1803         If low word of the last operand is 0, just emit addition/subtraction
1804         for the high word.
1806 2016-04-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
1808         PR target/70404
1809         * config/s390/s390.c (s390_expand_insv): Check for everything
1810         constant instead of just VOIDmode stuff.
1812 2016-04-01  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1814         PR target/70496
1815         * config/arm/arm.h (ASM_APP_OFF): Handle TARGET_ARM and TARGET_THUMB.
1817 2016-04-01  Nathan Sidwell  <nathan@acm.org>
1819         * tree.def (TRY_CATCH_EXPR): Correct documentation.
1821 2016-03-31  Vladimir Makarov  <vmakarov@redhat.com>
1823         PR rtl-optimization/70461
1824         * ira-color.c (allocno_copy_cost_saving): Use allocno class if it
1825         is necessary.
1827 2016-03-31  Martin Liska  <mliska@suse.cz>
1829         PR hsa/70399
1830         * hsa-brig.c (hsa_op_immed::emit_to_buffer): Emit either
1831         a tree value or an immediate integer value to a buffer
1832         that is eventually copied to a BRIG section.
1833         (emit_immediate_operand): Call the function here.
1834         * hsa-dump.c (dump_hsa_immed): Remove checking assert.
1835         * hsa-gen.c (hsa_op_immed::hsa_op_immed): Remove initialization
1836         of class' fields that are removed.
1837         (hsa_op_immed::~hsa_op_immed): Remove deinitialization.
1838         * hsa.h (class hsa_op_immed): Remove m_brig_repr and
1839         m_brig_repr_size fields.
1841 2016-03-31  Martin Liska  <mliska@suse.cz>
1843         PR hsa/70391
1844         * hsa-gen.c (hsa_function_representation::update_dominance): New
1845         function.
1846         (convert_addr_to_flat_segment): Likewise.
1847         (gen_hsa_memory_set): New alignment argument.
1848         (gen_hsa_ctor_assignment): Likewise.
1849         (gen_hsa_insns_for_single_assignment): Provide alignment
1850         to gen_hsa_ctor_assignment.
1851         (gen_hsa_insns_for_direct_call): Add new argument.
1852         (expand_lhs_of_string_op): New function.
1853         (expand_string_operation_builtin): Likewise.
1854         (expand_memory_copy): New function.
1855         (expand_memory_set): New function.
1856         (gen_hsa_insns_for_call): Use HOST_WIDE_INT.
1857         (convert_switch_statements): Change signature.
1858         (generate_hsa): Use a return value of the function.
1859         (pass_gen_hsail::execute): Do not call
1860         convert_switch_statements here.
1861         * hsa-regalloc.c (hsa_regalloc): Call update_dominance.
1862         * hsa.h (hsa_function_representation::m_modified_cfg): New flag.
1863         (hsa_function_representation::update_dominance): New function.
1865 2016-03-31  Martin Liska  <mliska@suse.cz>
1867         PR hsa/70391
1868         * hsa-brig.c (emit_directive_variable): Emit alignment
1869         according to hsa_symbol::m_align.
1870         * hsa-dump.c (hsa_byte_alignment): Move the function to another file.
1871         (dump_hsa_symbol): Dump alignment of HSA symbols.
1872         * hsa-gen.c (get_symbol_for_decl): Set-up alignment of a symbol.
1873         (gen_hsa_addr_with_align): New function.
1874         (hsa_bitmemref_alignment): Use newly added function.
1875         (gen_hsa_insns_for_load): Likewise.
1876         (gen_hsa_insns_for_store): Likewise.
1877         (gen_hsa_memory_copy): New argument added.
1878         (gen_hsa_insns_for_single_assignment): Respect
1879         alignment for assignments processed via gen_hsa_memory_copy.
1880         (gen_hsa_insns_for_direct_call): Likewise.
1881         (gen_hsa_insns_for_return): Likewise.
1882         (gen_function_def_parameters): Set default alignment.
1883         * hsa.c (hsa_object_alignment): New function.
1884         (hsa_byte_alignment): Pasted function.
1885         * hsa.h (hsa_symbol::m_align): New field.
1887 2016-03-31  Bin Cheng  <bin.cheng@arm.com>
1889         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Initialize
1890         scratch field for goto case.
1892 2016-03-31  James Greenhalgh  <james.greenhalgh@arm.com>
1894         * config/arm/linux-elf.h (ASM_OUTPUT_DEF): Delete.
1896 2016-03-31  Ilya Enkovich  <enkovich.gnu@gmail.com>
1898         PR target/70442
1899         * config/i386/i386.c (scalar_chain::convert_op): Fix description.
1900         (scalar_chain::convert_insn): Call convert_op for reg
1901         moves to handle undefined registers.
1903 2016-03-31  Nathan Sidwell  <nathan@acm.org>
1905         PR c++/70393
1906         * varasm.c (output_constructor_regular_field): Flush bitfield earlier.
1907         Assert we don't want to move backwards.
1909 2016-03-31  Kirill Yukhin  <kirill.yukhin@intel.com>
1911         PR target/70453
1912         * config/i386/sse.md (define_mode_attr shuffletype): Fix typo.
1914 2016-03-31  Jakub Jelinek  <jakub@redhat.com>
1916         PR rtl-optimization/70460
1917         * ira.c (indirect_jump_optimize): Don't substitute LABEL_REF
1918         with operand from REG_LABEL_OPERAND, instead substitute
1919         SET_SRC or REG_EQUAL note content if it is a LABEL_REF.
1920         Don't do anything for REG_NON_LOCAL_GOTO jumps.
1922 2016-03-31  Martin Liska  <mliska@suse.cz>
1924         * passes.c (execute_one_pass): Do not call
1925         todo_after for a discarded function.
1927 2016-03-31  Bin Cheng  <bin.cheng@arm.com>
1929         * tree-ssa-loop-ivopts.c (struct comp_cost): New scrach field.
1930         (no_cost, infinite_cost): Initialize the new field.
1931         (get_computation_cost_at): Record setup cost.
1932         (determine_use_iv_cost_address): Skip cost computation for sub
1933         uses if we can estimate it without losing accuracy.
1935 2016-03-30  Jan Hubicka  <hubicka@ucw.cz>
1937         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can't get realistic
1938         estimates here.
1939         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
1940         max_loop_iterations_int.
1941         (tree_unswitch_outer_loop): Likewise.
1942         * tree-ssa-loop-ivopts.c (avg_loop_niter): Likewise.
1943         * tree-vect-loop.c (vect_analyze_loop_2): Likewise.
1945 2016-03-30  Richard Biener  <rguenther@suse.de>
1947         PR middle-end/70450
1948         * fold-const.c (extract_muldiv_1): Fix thinko in wide_int::from usage.
1950 2016-03-30  Jakub Jelinek  <jakub@redhat.com>
1952         PR target/70421
1953         * config/i386/i386.c (ix86_expand_vector_set): Fix up argument order
1954         in gen_blendm expander.
1956 2016-03-30  Nick Clifton  <nickc@redhat.com>
1958         PR target/62254
1959         * config/arm/arm.c (arm_reload_out_hi): Add code to handle the
1960         case where we are already provided with an SImode SUBREG.
1962 2016-03-30  H.J. Lu  <hongjiu.lu@intel.com>
1964         PR target/70439
1965         * config/i386/i386.c (ix86_expand_epilogue): Properly check
1966         conflict between DRAP register and __builtin_eh_return.
1968 2016-03-30  Michael Matz  <matz@suse.de>
1969             Richard Biener  <rguenther@suse.de>
1971         PR ipa/12392
1972         * ipa-polymorphic-call.c (struct type_change_info): Change
1973         speculative to an unsigned allowing to limit the work we do.
1974         (csftc_abort_walking_p): New inline function..
1975         (check_stmt_for_type_change): Limit the number of may-defs
1976         skipped for speculative devirtualization to
1977         max-speculative-devirt-maydefs.
1978         * params.def (max-speculative-devirt-maydefs): New param.
1979         * doc/invoke.texi (--param max-speculative-devirt-maydefs): Document.
1981 2016-03-30  Mike Stump  <mrs@gcc.gnu.org>
1983         PR target/63890
1984         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Use when profiling
1985         and TARGET_MACHO.
1987 2016-03-30  Patrick Palka  <ppalka@gcc.gnu.org>
1989         PR tree-optimization/59124
1990         * tree-vrp.c (register_edge_assert_for_2): For NAME != CST1
1991         where NAME = A +- CST2 add the assertion A != (CST1 -+ CST2).
1993 2016-03-29  Jeff Law  <law@redhat.com>
1995         * tree-ssa-coalesce.c (struct ssa_conflicts): Fix typo in comment.
1997 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
1999         * tree-ssa-loop-ivcanon.c (try_peel_loop): Change type of peel
2000         to HOST_WIDE_INT.
2002 2016-03-29  Thomas Schwinge  <thomas@codesourcery.com>
2004         * config/gnu.h (CPP_SPEC, LIB_SPEC): Don't override.
2005         * config/i386/gnu.h (STARTFILE_SPEC): Use gcrt1.o instead of
2006         gcrt0.o if linking dynamically.
2008 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
2010         PR ipa/70283
2011         * ipa-devirt.c (methods_equal_p): New function.
2012         (compare_virtual_tables): Use it.
2013         * cgraph.h (symbol_table::symbol_suffix_separator): Declare.
2014         * cgraphclones.c (clone_function_name_1): Use
2015         symbol_table::symbol_suffix_separator.
2016         * coverage.c (build_var): Likewise.
2017         * symtab.c (symbol_table::symbol_suffix_separator): New.
2019 2016-03-29  Jakub Jelinek  <jakub@redhat.com>
2021         PR rtl-optimization/70429
2022         * combine.c (simplify_shift_const_1): For ASHIFTRT don't optimize
2023         (cst1 >> count) >> cst2 into (cst1 >> cst2) >> count if
2024         mode != result_mode.
2026         PR c++/70353
2027         * tree-inline.c (remap_decls): Don't add_local_decl if cfun is null.
2029         PR tree-optimization/70405
2030         * ssa-iterators.h (num_imm_uses): Add missing braces.
2032 2016-03-29  Vladimir Makarov  <vmakarov@redhat.com>
2034         PR rtl-optimization/68695
2035         * ira-color.c (allocno_copy_cost_saving): New.
2036         (improve_allocation): Use it.
2038 2016-03-29  Richard Henderson  <rth@redhat.com>
2040         PR middle-end/70355
2041         * lower-subreg.c (simplify_subreg_concatn): Reject paradoxical subregs.
2043 2016-03-29  Richard Biener  <rguenther@suse.de>
2045         PR middle-end/70424
2046         * ipa-prop.c (ipa_compute_jump_functions_for_edge): Always
2047         use alignment returned by get_pointer_alignment_1 if it is
2048         bigger than BITS_PER_UNIT.
2049         * builtins.c (get_pointer_alignment_1): Do not return true
2050         for alignment extracted from SSA info.
2052 2016-03-28  James Bowman  <james.bowman@ftdichip.com>
2054         * config/ft32/ft32.opt (mnodiv): New.
2055         * config/ft32/ft32.md (*divsi3, *modsi3): Qualify with TARGET_NODIV.
2056         * doc/invoke.texi (FT32 Options -mnodiv): New.
2058 2016-03-28  Kirill Yukhin  <kirill.yukhin@intel.com>
2060         PR target/70406
2061         * config/i386/i386.md (define_split, andn): Fix modes.
2063 2016-03-26  Richard Biener  <rguenther@suse.de>
2064             Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
2066         PR ipa/70366
2067         * ipa-inline-transform.c (inline_call): Pass opts_for_fn (to->decl)
2068         instead of
2069         TREE_OPTIMIZATION (DECL_FUNCTION_SPECIFIC_OPTIMIZATION (to->decl))
2070         as 2nd argument to cl_optimization_restore().
2072 2016-03-25  Richard Henderson  <rth@redhat.com>
2074         PR target/70120
2075         * config/aarch64/aarch64.c (aarch64_asm_output_pool_epilogue): New.
2076         * config/aarch64/aarch64-protos.h: Declare it.
2077         * config/aarch64/aarch64.h (ASM_OUTPUT_POOL_EPILOGUE): New.
2079 2016-03-25  Alan Modra  <amodra@gmail.com>
2081         PR target/70052
2082         * config/rs6000/constraints.md (j): Simplify.
2083         * config/rs6000/predicates.md (easy_fp_constant): Exclude
2084         decimal float 0.D.
2085         * config/rs6000/rs6000.md (zero_fp): New mode_attr.
2086         (mov<mode>_hardfloat, mov<mode>_hardfloat32, mov<mode>_hardfloat64,
2087          mov<mode>_64bit_dm, mov<mode>_32bit): Use zero_fp in place of j
2088         in all constraint alternatives.
2089         (movtd_64bit_nodm): Delete "j" constraint alternative.
2091 2016-03-24  Aldy Hernandez  <aldyh@redhat.com>
2093         * tree-ssa-propagate.c: Enhance docs for
2094         SSA_PROP_NOT_INTERESTING.
2096 2016-03-24  Aldy Hernandez  <aldyh@redhat.com>
2098         * doc/extend.texi: Fix typo in documentation to pure attribute.
2100 2016-03-24  John David Anglin  <danglin@gcc.gnu.org>
2102         PR target/70319
2103         * config/pa/pa.md (bswapdi2): Use a scratch register.
2105 2016-03-24  Richard Henderson  <rth@redhat.com>
2107         PR middle-end/69845
2108         * fold-const.c (extract_muldiv_1): Correct test for multiplication
2109         overflow.
2111 2016-03-24  Uros Bizjak  <ubizjak@gmail.com>
2113         * config/i386/i386.md (*anddi3_doubleword): Generate AND insn
2114         using ix86_expand_binary_operator instead of gen_andsi3.
2116 2016-03-24  Richard Biener  <rguenther@suse.de>
2118         PR tree-optimization/70396
2119         * tree-vect-stmts.c (vectorizable_comparison): Use
2120         get_vectype_for_scalar_type.
2122 2016-03-24  Richard Biener  <rguenther@suse.de>
2124         PR middle-end/70370
2125         * gimplify.c (gimplify_asm_expr): Handle !allows_mem outputs
2126         with register bases.
2128 2016-03-24  Richard Biener  <rguenther@suse.de>
2130         PR tree-optimization/70372
2131         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Use
2132         build_all_ones_cst to also handle vector types correctly.
2134 2016-03-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
2136         PR target/70381
2137         * config/rs6000/rs6000-cpus.def (ISA_2_6_MASKS_SERVER): Do not set
2138         -mfloat128 here.
2140 2016-03-23  Marek Polacek  <polacek@redhat.com>
2142         PR c++/69884
2143         * doc/invoke.texi: Document -Wignored-attributes.
2145 2016-03-23  Bin Cheng  <bin.cheng@arm.com>
2147         PR tree-optimization/69042
2148         * params.def (PARAM_IV_CONSIDER_ALL_CANDIDATES_BOUND): Increase the
2149         parameter from 30 to 40.
2151 2016-03-23  Bin Cheng  <bin.cheng@arm.com>
2153         PR tree-optimization/69042
2154         * tree-ssa-loop-ivopts.c (add_iv_candidate_for_use): Add IV cand
2155         for use with constant offset stripped in base.
2157 2016-03-23  Richard Biener  <rguenther@suse.de>
2159         PR middle-end/70251
2160         * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Adjust
2161         mode compatibility check.
2162         (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
2164 2016-03-23  Jeff Law  <law@redhat.com>
2166         PR tree-optimization/64058
2167         * tree-ssa-coalesce.c (struct coalesce_pair): Add new field
2168         CONFLICT_COUNT.
2169         (struct ssa_conflicts): Move up earlier in the file.
2170         (conflicts_, var_map_): New static variables.
2171         (initialize_conflict_count): New function to initialize the
2172         CONFLICT_COUNT field for each conflict pair.
2173         (compare_pairs): Lazily initialize the conflict count and use it
2174         as the first tie-breaker.
2175         (sort_coalesce_list): Add new arguments conflicts, map.  Initialize
2176         and wipe conflicts_ and map_ around the call to qsort.  Remove
2177         special case for 2 coalesce pairs.
2178         * bitmap.c (bitmap_count_unique_bits): New function.
2179         (bitmap_count_bits_in_word): New function, extracted from
2180         bitmap_count_bits.
2181         (bitmap_count_bits): Use bitmap_count_bits_in_word.
2182         * bitmap.h (bitmap_count_unique_bits): Declare it.
2184 2016-03-23  Ilya Enkovich  <enkovich.gnu@gmail.com>
2186         PR target/69917
2187         * config/i386/sol2.h (ASM_OUTPUT_DEF_FROM_DECLS): Follow
2188         transparent alias chain for decl assembler name.
2189         * config/sol2.c (solaris_assemble_visibility): Likewise.
2191 2016-03-23  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2193         * config/arm/arm1020e.md (1020call_op): Reduce reservation
2194         duration.
2195         (v10_fdivs): Likewise.
2196         (v10_fdivd): Likewise.
2198 2016-03-23  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2200         PR driver/70132
2201         * config/arm/driver-arm.c (host_detect_local_cpu): Reorder exit logic
2202         to not call fclose twice on file.
2204 2016-03-23  Jakub Jelinek  <jakub@redhat.com>
2206         PR tree-optimization/70354
2207         * tree-vect-patterns.c (vect_recog_vector_vector_shift_pattern): If
2208         oprnd0 is wider than oprnd1 and there is a cast from the wider
2209         type to oprnd1, mask it with the mask of the narrower type.
2211         PR target/70321
2212         * config/i386/i386.md (*anddi3_doubleword, *<code>di3_doubleword):
2213         Optimize TARGET_STV splitters, if high or low word of last argument
2214         is 0 or -1.
2216 2016-03-22  Jeff Law  <law@redhat.com>
2218         PR target/70232
2219         tree-ssa-threadbackward.c
2220         (fsm_find_control_statement_thread_paths): Correctly distinguish
2221         between old style jump threads vs FSM jump threads.
2223 2016-03-22  Ilya Enkovich  <enkovich.gnu@gmail.com>
2225         PR target/70302
2226         * config/i386/i386.c (scalar_chain::convert_op): Support
2227         uninitialized register usage case.
2229 2016-03-22  Richard Biener  <rguenther@suse.de>
2231         PR middle-end/70251
2232         * genmatch.c (gen_transform): Adjust last parameter to a three-state
2233         int...
2234         (capture::gen_transform): ... to change behavior when substituting
2235         a condition into cond or not-cond expr context.
2236         (dt_simplify::gen_1): Adjust.
2237         * gimple-match-head.c: Include gimplify.h for unshare_expr.
2238         * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Revert
2239         last change and instead change to
2240         A + (B vcmp C ? 1 : 0) -> A - (B vcmp C ? -1 : 0).
2241         (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
2243 2016-03-22  Anthony Green  <green@moxielogic.com>
2245         * config/moxie/moxiebox.h (CC1_SPEC): Define.  Fix endianness
2246         issue for moxiebox targets.
2247         (CC1PLUS_SPEC): Ditto.
2249 2016-03-22  Richard Biener  <rguenther@suse.de>
2251         PR middle-end/70333
2252         * fold-const.c (extract_muldiv_1): Properly perform multiplication
2253         in the wide type.
2255 2016-03-22  Kirill Yukhin  <kirill.yukhin@intel.com>
2257         * config/i386/i386.c (def_builtin): Remove duplicated functionality.
2259 2016-03-22  Kirill Yukhin  <kirill.yukhin@intel.com>
2261         PR target/70325
2262         * config/i386/i386.c (def_builtin): Handle
2263         OPTION_MASK_ISA_AVX512VL to be and-ed with other
2264         bits.
2265         (const struct builtin_description bdesc_special_args[]):
2266         Remove duplicate ISA bits.
2268 2016-03-22  Jakub Jelinek  <jakub@redhat.com>
2270         PR target/70329
2271         * config/i386/i386.c (ix86_expand_vecop_qihi): Don't bother computing
2272         d.perm[i] for i >= d.nelt.  If not full_interleave, compute d.perm[i]
2273         in a way that works also for AVX512BW.
2275         PR target/70300
2276         * config/i386/i386.md (cvtsd2ss splitter): Unpack in destination
2277         instead of source if operands[1] is xmm16 and above and
2278         !TARGET_AVX512VL.  Use avx512f_vec_dupv16sf_1 instead of
2279         vec_interleave_lowv4sf if we need to unpack xmm16 and above.
2281         PR c++/70295
2282         * gimplify.c (gimplify_modify_expr): Call gimple_set_no_warning
2283         on assign if (*from_p) is a comparison, set it to
2284         TREE_NO_WARNING (*from_p).
2286 2016-03-21  Jakub Jelinek  <jakub@redhat.com>
2288         PR middle-end/70326
2289         * lra.c (restore_scratches): Ignore deleted insns.
2291 2016-03-21  Marc Glisse  <marc.glisse@inria.fr>
2292             Jakub Jelinek  <jakub@redhat.com>
2294         PR tree-optimization/70317
2295         * match.pd (cmp @0 @0): Pass @0 instead of TYPE_MODE (TREE_TYPE (@0))
2296         to HONOR_NANS.
2298 2016-03-21  Uros Bizjak  <ubizjak@gmail.com>
2300         PR target/70327
2301         * config/i386/i386.md (movxi): Use ix86_expand_vector_move instead
2302         of ix86_expand_move.
2303         (movoi): Ditto.
2304         (movti): Use general_operand for operand 1 predicate.
2306 2016-03-21  Martin Liska  <mliska@suse.cz>
2308         * hsa-dump.c (dump_hsa_insn_1): dump default branch of SBR
2309         insns.
2310         (dump_hsa_symbol): Dump BRIG offset of hsa_symbols.
2312 2016-03-21  Martin Liska  <mliska@suse.cz>
2314         PR ipa/70306
2315         * ipa-icf.c (sem_function::parse): Skip static
2316         constructors and destructors.
2318 2016-03-21  Jakub Jelinek  <jakub@redhat.com>
2320         PR target/70296
2321         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If IDENT is
2322         function-like macro, peek following token(s) if it is followed
2323         by CPP_OPEN_PAREN token with optional padding in between, and
2324         if not, don't treat it like a macro.
2326 2016-03-21  Thomas Schwinge  <thomas@codesourcery.com>
2327             Alexander Monakov  <amonakov@ispras.ru>
2329         * config/nvptx/nvptx.c (nvptx_option_override): Don't emit sorry
2330         for the stabs debug format.
2332 2016-03-21  Richard Biener  <rguenther@suse.de>
2334         PR tree-optimization/70310
2335         * tree-vect-generic.c (expand_vector_condition): Fold the built
2336         condition.
2338 2016-03-21  Kirill Yukhin  <kirill.yukhin@intel.com>
2340         PR target/70293
2341         * config/i386/sse.md: (define_insn "*vec_dup<mode>"/AVX2):
2342         Block third alternative for AVX-512VL target,
2344 2016-03-21  Martin Liska  <mliska@suse.cz>
2346         PR hsa/70234
2347         * hsa-brig.c (emit_function_directives): Mark unemitted
2348         global variables for emission.
2349         * hsa-gen.c (hsa_symbol::hsa_symbol): Initialize a new flag.
2350         (get_symbol_for_decl): Likewise.
2351         * hsa.h (struct hsa_symbol): New flag.
2353 2016-03-21  Richard Biener  <rguenther@suse.de>
2355         PR tree-optimization/70288
2356         * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Make sure
2357         we do not estimate unsimplified all-constant conditionals or
2358         switches as optimized away.
2360 2016-03-21  Andrey Belevantsev  <abel@ispras.ru>
2362         PR rtl-optimization/69102
2363         * sched-deps.c (sched_analyze_insn): Do not set last_args_size field
2364         when we have a readonly dependency context.
2366 2016-03-18  Jeff Law  <law@redhat.com>
2368         PR rtl-optimization/70263
2369         * ira.c (memref_used_between_p): Assert we found END in the insn chain.
2370         (update_equiv_regs): When trying to move a store to after the insn
2371         that sets the source of the store, make sure the store occurs after
2372         the insn that sets the source of the store.  When successful note
2373         the REG_EQUIV note created in the dump file.
2375 2016-03-16  David Wohlferd  <dw@LimeGreenSocks.com>
2376             Bernd Schmidt  <bschmidt@redhat.com>
2378         * doc/extend.texi: Document more potential problems with basic asms.
2380 2016-03-18  Bernd Schmidt  <bschmidt@redhat.com>
2382         PR rtl-optimization/70278
2383         * lra-constraints.c (split_reg): Handle the case where biggest_mode is
2384         VOIDmode.
2386 2016-03-18  Jason Merrill  <jason@redhat.com>
2388         * calls.c (load_register_parameters): Fix zero size sibcall logic.
2390 2016-03-18  Kirill Yukhin  <kirill.yukhin@intel.com>
2392         * config/i386/sse.md: Use vpbroadcastq for broadcasting DF
2393         values to 128b regs.
2395 2016-03-18  Ilya Enkovich  <enkovich.gnu@gmail.com>
2397         PR tree-optimization/70252
2398         * tree-vect-stmts.c (supportable_widening_operation): Check resulting
2399         boolean vector has a proper number of elements.
2400         (supportable_narrowing_operation): Likewise.
2402 2016-03-18  Tom de Vries  <tom@codesourcery.com>
2404         PR ipa/70269
2405         * cgraph.c (cgraph_node::get_body): Set dump_file to NULL after save.
2407 2016-03-18  Jakub Jelinek  <jakub@redhat.com>
2409         * reload1.c (emit_input_reload_insns): Use simplify_replace_rtx
2410         instead of replace_rtx for DEBUG_INSNs.
2412 2016-03-18  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
2414         * config/i386/znver1.md : Fix latencies of FP/SSE/AVX
2415         load type reservations.
2417 2016-03-17  John David Anglin  <danglin@gcc.gnu.org>
2419         PR target/70188
2420         * config/pa/constraints.md: Revert 2015-02-13 change.  Use
2421         define_constraint for "Q" and "T" constraints.
2423 2016-03-17  Evandro Menezes  <e.menezes@samsung.com>
2425         Tweak the pipeline model for Exynos M1
2427         * config/aarch64/aarch64.c (exynosm1_tunings):  Enable weak prefetching
2428         model.
2430 2016-03-17  David Malcolm  <dmalcolm@redhat.com>
2432         PR c/70264
2433         * diagnostic-show-locus.c (compatible_locations_p): Handle the case
2434         where one or both locations aren't within a line_map.
2436 2016-03-17  H.J. Lu  <hongjiu.lu@intel.com>
2438         PR driver/70192
2439         * opts.c (finish_options): Don't set flag_pie to the default if
2440         -fpic, -fPIC, -fno-pic or -fno-PIC is used.  Set flag_pic to 0
2441         if it is -1.
2443 2016-03-17  Joern Rennecke  <joern.rennecke@embecosm.com>
2445         * config/i386/i386.md (*movv4qicc_insn+1..36): Pass
2446         true as ALL_REGS argument to replace_rtx.
2448 2016-03-17  Richard Biener  <rguenther@suse.de>
2450         PR debug/70271
2451         * dwarf2out.c (dwarf2out_early_finish): Process deferred_asm_name
2452         last.
2454 2016-03-17  Jakub Jelinek  <jakub@redhat.com>
2456         PR target/70245
2457         * rtl.h (replace_rtx): Add ALL_REGS argument.
2458         * rtlanal.c (replace_rtx): Likewise.  If true, use REGNO
2459         equality and assert mode is the same, instead of just rtx pointer
2460         equality.
2461         * config/i386/i386.md (mov + arithmetics with load peephole): Pass
2462         true as ALL_REGS argument to replace_rtx.
2464 2016-03-17  Ilya Enkovich  <enkovich.gnu@gmail.com>
2466         * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Apply
2467         for boolean vector with vector mode only.
2468         (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
2470 2016-03-17  Nick Clifton  <nickc@redhat.com>
2472         PR target/70162
2473         * config/rx/rx.c (rx_print_integer): Print negative constants in
2474         decimal.
2476 2016-03-17  Jakub Jelinek  <jakub@redhat.com>
2478         PR target/70261
2479         * rtlanal.c (replace_rtx): Revert 2016-03-16 change.
2481 2016-03-16  Richard Henderson  <rth@redhat.com>
2482             Richard Biener  <rguenth@suse.de>
2484         PR middle-end/70240
2485         PR middle-end/68215
2486         PR tree-opt/68714
2487         * gimplify.c (gimplify_expr) [VEC_COND_EXPR]: Gimplify the
2488         first operand as is_gimple_condexpr.
2490         PR middle-end/70240
2491         PR middle-end/68215
2492         Revert r231575
2493         2015-12-11  Eric Botcazou  <ebotcazou@adacore.com>
2494         * tree-vect-generic.c (tree_vec_extract): Remove GSI parameter.
2495         Do not gimplify the result.
2496         (do_unop): Adjust call to tree_vec_extract.
2497         (do_binop): Likewise.
2498         (do_compare): Likewise.
2499         (do_plus_minus): Likewise.
2500         (do_negate): Likewise.
2501         (expand_vector_condition): Likewise.
2502         (do_cond): Likewise.
2504 2016-03-16  Richard Henderson  <rth@redhat.com>
2506         PR target/70048
2507         * config/aarch64/aarch64.c (virt_or_elim_regno_p): New.
2508         (aarch64_classify_address): Use it.
2509         (aarch64_legitimize_address): Force all subexpressions of PLUS
2510         into registers.  Simplify as (sfp+const)+reg or (reg+reg)+const.
2512 2016-03-16  Jakub Jelinek  <jakub@redhat.com>
2513             Richard Biener  <rguenth@suse.de>
2515         PR target/70245
2516         * rtlanal.c (replace_rtx): For REG, if from is a REG,
2517         return to even if only REGNO is equal, and assert
2518         mode is the same.
2520 2016-03-11  Jeff Law  <law@redhat.com>
2522         PR rtl-optimization/70224
2523         * reorg.c (relax_delay_slots): Pass right argument to CROSSING_JUMP_P.
2525 2016-03-16  Richard Henderson  <rth@redhat.com>
2527         PR middle-end/70199
2528         * function.h (struct function): Add has_forced_label_in_static.
2529         * gimplify.c (force_labels_r): Set it.
2530         * lto-streamer-in.c (input_struct_function_base): Read it.
2531         * lto-streamer-out.c (output_struct_function_base): Write it.
2532         * tree-inline.c (has_label_address_in_static_1): Remove.
2533         (copy_forbidden): Remove fndecl parameter; test
2534         has_forced_label_in_static.
2535         (inline_forbidden_p): Update call to copy_forbidden.
2536         (tree_versionable_function_p): Likewise.
2537         * ipa-chkp.c (chkp_instrumentable_p): Likewise.
2538         (chkp_versioning): Likewise.
2539         * tree-inline.h (copy_forbidden): Update decl.
2541 2016-03-16  Marek Polacek  <polacek@redhat.com>
2543         PR c/70093
2544         * cgraphunit.c (cgraph_node::expand_thunk): Also build call to the
2545         function being thunked if the result type doesn't have fixed size.
2546         * gimplify.c (gimplify_modify_expr): Also set LHS if the result type
2547         doesn't have fixed size.
2549 2016-03-16  Bin Cheng  <bin.cheng@arm.com>
2551         * tree-vect-loop.c (vect_analyze_loop_2): Fix wrong dump info by
2552         reporting malformed loop nest.
2554 2016-03-16  Tom de Vries  <tom@codesourcery.com>
2556         PR lto/70187
2557         * ipa-devirt.c (possible_polymorphic_call_targets): Move
2558         nodes.length () == 1 test to before first nodes[0] access.
2560 2016-03-16  Tom de Vries  <tom@codesourcery.com>
2562         PR tree-optimization/68715
2563         * graphite-scop-detection.c (scop_detection::merge_sese): Add missing
2564         single_pred_p test.
2566 2016-03-16  Tom de Vries  <tom@codesourcery.com>
2568         PR tree-optimization/68809
2569         * graphite-scop-detection.c (same_close_phi_node): Test if result types
2570         are the same.
2572 2016-03-16  Carlos O'Donell  <carlos@redhat.com>
2573             Sandra Loosemore  <sandra@codesourcery.com>
2575         * doc/extend.texi (Common Function Attributes): Describe ifunc impact
2576         on leaf attribute. Mention ELF interposition problems.
2578 2016-03-16  Alan Modra  <amodra@gmail.com>
2580         PR rtl-optimization/69195
2581         PR rtl-optimization/47992
2582         * ira.c (indirect_jump_optimize): Ignore artificial defs.
2583         Add comments.
2585 2016-03-15  Eric Botcazou  <ebotcazou@adacore.com>
2587         PR bootstrap/69513
2588         * dwarf2out.c (flush_limbo_die_list): Really flush the limbo list.
2590 2016-03-15  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
2592         * config/avr/avr.md (rotl<mode>3): Set mode for operand 2.
2594 2016-03-15  Jakub Jelinek  <jakub@redhat.com>
2596         PR rtl-optimization/70222
2597         * combine.c (simplify_shift_const_1): For A >> B >> C LSHIFTRT
2598         optimization if mode is different from result_mode, queue up masking
2599         of the result in outer_op.  Formatting fix.
2601         PR middle-end/70239
2602         * tree-ssa-sccvn.c (VN_INFO_GET): Use safe_grow_cleared instead
2603         of safe_grow.
2605 2016-03-15  Andrey Belevantsev  <abel@ispras.ru>
2607         PR rtl-optimization/69032
2608         * sel-sched-ir.c (get_seqno_by_preds): Include both insn and head when
2609         looping backwards over basic block insns.
2611 2016-03-15  Andrey Belevantsev  <abel@ispras.ru>
2613         PR target/66660
2614         * sel-sched-ir.c (merge_expr): Avoid changing the speculative pattern
2615         to non-speculative when propagating trap bits.
2617 2016-03-15  Andrey Belevantsev  <abel@ispras.ru>
2619         PR rtl-optimization/63384
2620         * sel-sched.c (invoke_aftermath_hooks): Do not decrease issue_more on
2621         DEBUG_INSN_P insns.
2623 2016-03-15  Andrey Belevantsev  <abel@ispras.ru>
2625         PR target/64411
2626         * sched-deps.c (get_implicit_reg_pending_clobbers): New function,
2627         factored out from ...
2628         (sched_analyze_insn): ... here.
2629         * sched-int.h (get_implicit_reg_pending_clobbers): Declare it.
2630         * sel-sched-ir.c (setup_id_implicit_regs): New function, use
2631         get_implicit_reg_pending_clobbers in it.
2632         (setup_id_reg_sets): Use setup_id_implicit_regs.
2633         (deps_init_id): Ditto.
2635 2016-03-15  Tom de Vries  <tom@codesourcery.com>
2637         PR ipa/70161
2638         * cgraph.c (cgraph_node::get_body): Save, reset and restore
2639         dump_file_name.
2640         * passes.c (execute_one_ipa_transform_pass): Add missing argument to
2641         execute_function_dump.
2642         (execute_one_pass): Don't dump function if it will be dumped after ipa
2643         transform.
2645 2016-03-15  Segher Boessenkool  <segher@kernel.crashing.org>
2647         * genrecog.c (match_pattern_2): If pred is NULL don't call
2648         safe_predicate_mode on it.
2650 2016-03-14  Jakub Jelinek  <jakub@redhat.com>
2652         PR middle-end/70219
2653         * lra-constraints.c (delete_move_and_clobber): Change assertion
2654         to also allow dregno == 0.
2656 2016-03-14  Richard Henderson  <rth@redhat.com>
2658         PR tree-opt/68714
2659         * tree-ssa-reassoc.c (ovce_extract_ops, optimize_vec_cond_expr): New.
2660         (can_reassociate_p): Allow ANY_INTEGRAL_TYPE_P.
2661         (reassociate_bb): Use optimize_vec_cond_expr; avoid
2662         optimize_range_tests, attempt_builtin_copysign and attempt_builtin_powi
2663         on vectors.
2665 2016-03-14  Bernd Schmidt  <bschmidt@redhat.com>
2667         PR target/70083
2668         * lra-lives.c (process_bb_lives): Also update biggest mode for hard
2669         regs.
2670         (lra_create_live_ranges_1): initialize hard register biggest_mode to
2671         VOIDmode.
2672         * lra-constraints.c (split_reg): For hard regs, try to find the
2673         biggest single-register mode used in the function.
2675 2016-03-14  Richard Biener  <rguenther@suse.de>
2677         PR tree-optimization/56365
2678         * tree-ssa-phiopt.c (minmax_replacement): Handle alternate
2679         constants to compare against.
2681 2016-03-14  Segher Boessenkool  <segher@kernel.crashing.org>
2683         PR target/70098
2684         * config/rs6000/rs6000.md (*ctr<mode>_internal1, *ctr<mode>_internal2,
2685         *ctr<mode>_internal5, *ctr<mode>_internal6): Also allow "d" as output.
2686         (define_split for the GPR case): Use int_reg_operand instead of
2687         gpc_reg_operand for the output.
2689 2016-03-14  Tom de Vries  <tom@codesourcery.com>
2691         PR tree-optimization/70045
2692         * graphite-isl-ast-to-gimple.c (graphite_create_new_loop_guard): Unshare
2693         create_empty_if_region_on_edge argument.
2695 2016-03-13  Eric Botcazou  <ebotcazou@adacore.com>
2697         * config/arm/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Define.
2698         (STACK_CHECK_PROTECT): Likewise.
2699         * config/i386/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise
2700         (STACK_CHECK_PROTECT): Likewise.
2701         * config/rs6000/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise
2702         (STACK_CHECK_PROTECT): Likewise.
2703         * config/rs6000/vxworksae.h (STACK_CHECK_PROTECT): Likewise.
2704         * config/sparc/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise.
2705         (STACK_CHECK_PROTECT): Likewise.
2707 2016-03-12  Andrey Belevantsev  <abel@ispras.ru>
2709         PR rtl-optimization/69307
2710         * sel-sched.c (choose_best_pseudo_reg): Properly check for hard
2711         registers in modes that span more than one register.
2713 2016-03-12  Vladimir Makarov  <vmakarov@redhat.com>
2715         PR target/69614
2716         * lra-constraints.c (delete_move_and_clobber): New.
2717         (remove_inheritance_pseudos): Use it.
2719 2016-03-12  Eric Botcazou  <ebotcazou@adacore.com>
2721         PR ada/70017
2722         * calls.c (emit_library_call_value_1): Clear the ECF_NOTHROW flag if
2723         the libcall is LCT_THROW.
2724         * explow.c (probe_stack_range): Pass LCT_THROW to emit_library_call
2725         for the checking routine.
2727 2016-03-11  Michael Meissner  <meissner@linux.vnet.ibm.com>
2729         PR target/70131
2730         * config/rs6000/rs6000.md (round32<mode>2_fprs): Do not do the
2731         optimization if we have direct move.
2732         (roundu32<mode>2_fprs): Likewise.
2734 2016-03-11  Bernd Schmidt  <bschmidt@redhat.com>
2736         PR target/70123
2737         * lra-remat.c (operand_to_remat): Disallow hard regs in the value t
2738         be rematerialized.
2739         (reg_overlap_for_remat_p): Renamed from input_regno_present_p.
2740         Arguments swapped.  All callers changed.  Take reg_renumber into
2741         account, and Calculate and compare register ranges for hard regs.
2743 2016-03-11  Jeff Law  <law@redhat.com>
2745         PR tree-optimization/70190
2746         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
2747         Handle cases where we can not extract the taken edge, even though we
2748         found a constant value.
2750         PR tree-optimization/64058
2751         * tree-ssa-coalesce.c (struct coalesce_pair): Add new field INDEX.
2752         (num_coalesce_pairs): Move up earlier in file.
2753         (find_coalesce_pair): Initialize the INDEX field for each pair
2754         discovered.
2755         (compare_pairs): No longer sort on the elements in each pair.
2756         Instead break ties with the index of the coalesce pair.
2758 2016-03-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2760         PR target/70002
2761         * config/aarch64/aarch64-protos.h
2762         (aarch64_save_restore_target_globals): New prototype.
2763         * config/aarch64/aarch64-c.c (aarch64_pragma_target_parse):
2764         Call the above when popping pragma.
2765         * config/aarch64/aarch64.c (aarch64_save_restore_target_globals):
2766         New function.
2767         (aarch64_set_current_function): Rewrite using the above.
2769 2016-03-11  Jakub Jelinek  <jakub@redhat.com>
2771         PR tree-optimization/70177
2772         * gimple-expr.h (extract_ops_from_tree_1): Renamed to ...
2773         (extract_ops_from_tree): ... this.  In the 2 argument
2774         overload remove _1 suffix.
2775         * gimple-expr.c (extract_ops_from_tree_1): Renamed to ...
2776         (extract_ops_from_tree): ... this.
2777         * gimple.c (gimple_build_assign, gimple_assign_set_rhs_from_tree):
2778         Adjust callers.
2779         * tree-ssa-loop-niter.c (derive_constant_upper_bound): Likewise.
2780         * tree-ssa-forwprop.c (defcodefor_name): Call 3 operand
2781         extract_ops_from_tree instead of 2 operand one.
2783 2016-03-11  Alan Lawrence  <alan.lawrence@arm.com>
2785         PR tree-optimization/70013
2786         * tree-sra.c (analyze_access_subtree): Also set grp_unscalarized_data
2787         for constant-pool entries.
2789 2016-03-11  Jakub Jelinek  <jakub@redhat.com>
2791         PR rtl-optimization/70174
2792         * expmed.c (store_bit_field_using_insv): Use gen_lowpart_if_possible
2793         followed by gen_lowpart on force_reg instead of just gen_lowpart.
2795         PR tree-optimization/70169
2796         * tree-ssa-loop.c (gen_lsm_tmp_name): Handle FUNCTION_DECL and
2797         LABEL_DECL like VAR_DECL.  Emit nothing instead of gcc_unreachable
2798         for unknown codes.
2800 2016-03-11  Ilya Enkovich  <enkovich.gnu@gmail.com>
2801             Jakub Jelinek  <jakub@redhat.com>
2803         PR target/70160
2804         * config/i386/i386.c (scalar_chain::convert_reg): Skip uses
2805         of uninitialized values.
2807 2016-03-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
2809         * config/s390/s390.md ("trunctddd2"): Turn former define_insn into
2810         define_expand.
2811         ("*trunctddd2"): New pattern definition.
2812         ("trunctdsd2"): Set prep_for_short_prec rounding mode for the
2813         TD->DD truncation.
2815 2016-03-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
2817         * config/s390/s390.md (BFP_RND_*, DFP_RND_*): Add new constant
2818         definitions for BFP and DFP rounding modes.
2819         ("fixuns_truncdddi2", "fixuns_trunctddi2")
2820         ("fixuns_trunc<BFP:mode><GPR:mode>2", "fixuns_trunc<mode>si2")
2821         ("fix_trunc<DSF:mode><GPR:mode>2", "fix_trunc<mode>di2")
2822         ("fix_trunctf<mode>2"): Use the new constants instead of magic
2823         numbers.
2825 2016-03-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
2827         * config/s390/constraints.md: Adjust comment.
2828         ("Y"): Adjust comment.  Rename s390_decompose_shift_count to
2829         s390_decompose_addrstyle_without_index.
2830         * config/s390/predicates.md (shift_count_or_setmem_operand):
2831         Rename to setmem_operand.
2832         * config/s390/s390-protos.h
2833         (s390_decompose_shift_count): Rename to
2834         s390_decompose_addrstyle_without_index.
2835         * config/s390/s390.c (s390_decompose_shift_count)
2836         (s390_mem_constraint, print_shift_count_operand)
2837         (print_operand_address, print_operand): Rename
2838         s390_decompose_shift_count to
2839         s390_decompose_addrstyle_without_index and rename
2840         print_shift_count_operand to print_addrstyle_operand troughout the
2841         file.
2842         * config/s390/s390.md ("setmem_long_<P:mode>", "*setmem_long")
2843         ("*setmem_long_and", "*setmem_long_31z", "*setmem_long_and_31z"):
2844         Rename shift_count_or_setmem_operand to setmem_operand.
2845         * config/s390/vx-builtins.md ("vec_insert<mode>")
2846         ("vec_promote<mode>"): Replace shift_count_or_setmem_operand with
2847         nonmemory_operand.
2849 2016-03-10  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2851         PR target/70168
2852         * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap):
2853         Handle overlapping retval and newval.
2855 2016-03-10  Nick Clifton  <nickc@redhat.com>
2857         PR target/7044
2858         * config/aarch64/aarch64.c
2859         (aarch64_override_options_after_change_1): When forcing
2860         flag_omit_frame_pointer to be true, use a special value that can
2861         be detected if this function is called again, thus preventing
2862         flag_omit_leaf_frame_pointer from being forced to be false.
2864 2016-03-10  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2866         * common/config/aarch64/aarch64-common.c (aarch64_handle_option):
2867         Set x_flag_omit_leaf_frame_pointer when handling
2868         -momit-leaf-frame-pointer.
2870 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
2872         PR lto/69589
2873         * cgraph.c (cgraph_node::dump): Dump split_part and
2874         indirect_call_target.
2875         * cgraph.h (cgraph_node): Add indirect_call_target flag.
2876         * ipa.c (has_addr_references_p): Cleanup.
2877         (is_indirect_call_target_p): New.
2878         (walk_polymorphic_call_targets): Do not mark virtuals that may be
2879         called indirectly as local.
2880         (symbol_table::remove_unreachable_nodes): Compute indirect_call_target.
2882 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
2884         PR ipa/69630
2885         * ipa-devirt.c (possible_polymorphic_call_targets): Do not ICE
2886         on cxa_pure_virtual.
2888 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
2890         PR lto/69589
2891         * tree.c (free_lang_data_in_decl): Clear visibility of TYPE_DECL.
2893 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
2895         PR lto/69589
2896         * tree.c (need_assembler_name_p): Only record main variant type names.
2898 2016-03-10  Christophe Lyon  <christophe.lyon@linaro.org>
2900         PR target/70113.
2901         * config/aarch64/aarch64.h (TARGET_FIX_ERR_A53_843419_DEFAULT):
2902         Always define to 0 or 1.
2903         (TARGET_FIX_ERR_A53_843419): New macro.
2904         * config/aarch64/aarch64-elf-raw.h
2905         (TARGET_FIX_ERR_A53_843419_DEFAULT): Update for above changes.
2906         * config/aarch64/aarch64-linux.h: Likewise.
2907         * config/aarch64/aarch64.c
2908         (aarch64_override_options_after_change_1): Do not default
2909         aarch64_nopcrelative_literal_loads to true if Cortex-A53 erratum
2910         843419 is on.
2911         (aarch64_attributes): Handle fix-cortex-a53-843419.
2912         (aarch64_can_inline_p): Likewise.
2913         * config/aarch64/aarch64.opt (aarch64_fix_a53_err843419): Save.
2915 2016-03-10  Alan Lawrence  <alan.lawrence@arm.com>
2916         Jakub Jelinek <jakub@redhat.com>
2918         * common.opt (funconstrained-commons, flag_unconstrained_commons): New.
2919         * tree.c (array_at_struct_end_p): Do not limit to size of decl for
2920         DECL_COMMONS if flag_unconstrained_commons is set.
2921         * tree-dfa.c (get_ref_base_and_extent): Likewise.
2922         * doc/invoke.texi (Optimize Options): Add -funconstrained-commons.
2923         (funconstrained-commons): Document.
2925 2016-03-10  Christophe Lyon  <christophe.lyon@linaro.org>
2927         * config/aarch64/t-aarch64 (OPTIONS_H_EXTRA): Add
2928         aarch64-fusion-pairs.def and aarch64-tuning-flags.def
2930 2016-03-10  Ilya Enkovich  <enkovich.gnu@gmail.com>
2932         * tree-vect-stmts.c (vectorizable_mask_load_store): Check mask
2933         has a proper number of elements.
2935 2016-03-10  Alan Modra  <amodra@gmail.com>
2937         PR rtl-optimization/69195
2938         PR rtl-optimization/47992
2939         * ira.c (recorded_label_ref): Delete.
2940         (update_equiv_regs): Return void.
2941         (indirect_jump_optimize): New function.
2942         (ira): Call indirect_jump_optimize and delete_trivially_dead_insns
2943         before regstat_compute_ri.  Don't rebuild_jump_labels here.
2944         Delete update_regstat.
2946 2016-03-10  Richard Biener  <rguenther@suse.de>
2948         PR tree-optimization/70128
2949         * tree-ssa-structalias.c (set_uids_in_ptset): Set
2950         vars_contains_nonlocal for any FUNCTION_DECL or LABEL_DECL.
2952 2016-03-09  Jakub Jelinek  <jakub@redhat.com>
2954         PR tree-optimization/70152
2955         * tree-sra.c (replace_removed_params_ssa_names): Copy over
2956         SSA_NAME_OCCURS_IN_ABNORMAL_PHI from old_name to new_name.
2958         PR target/70086
2959         * config/i386/i386.md (truncdfsf2 splitter): Use gen_vec_concatv2df
2960         instead of gen_sse2_loadlpd.
2961         * config/i386/sse.md (*vec_concatv2df): Rename to...
2962         (vec_concatv2df): ... this.
2964         PR tree-optimization/70127
2965         * fold-const.c (operand_equal_p): Revert the 2015-10-28 change.
2967 2016-03-09  David Malcolm  <dmalcolm@redhat.com>
2969         PR c/68473
2970         PR c++/70105
2971         * diagnostic-show-locus.c (compatible_locations_p): New function.
2972         (layout::layout): Sanitize ranges using compatible_locations_p.
2974 2016-03-09  David Malcolm  <dmalcolm@redhat.com>
2976         PR c/68473
2977         PR c++/70105
2978         * diagnostic-show-locus.c (layout_range::layout_range): Replace
2979         location_range param with three const expanded_locations * and a
2980         bool.
2981         (layout::layout): Replace call to
2982         rich_location::lazily_expand_location with get_expanded_location.
2983         Extract the range and perform location expansion here, passing
2984         the results to the layout_range ctor.
2985         * diagnostic.c (source_range::debug): Delete.
2986         * diagnostic.h (diagnostic_expand_location): Reimplement in terms
2987         of rich_location::get_expanded_location.
2988         * gcc-rich-location.c (get_range_for_expr): Delete.
2989         (gcc_rich_location::add_expr): Reimplement to avoid the
2990         rich_location::add_range overload that took a location_range,
2991         passing a location_t instead.
2993 2016-03-09  Richard Biener  <rguenther@suse.de>
2994         Jakub Jelinek  <jakub@redhat.com>
2996         PR tree-optimization/70138
2997         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
2998         Also skip vect_double_reduction_def.
3000 2016-03-09  Jakub Jelinek  <jakub@redhat.com>
3002         PR target/70049
3003         * config/i386/sse.md (*vec_extract<mode>): Use %0 instead of %k0
3004         if the operand is "m".
3006 2016-03-09  Nathan Sidwell  <nathan@acm.org>
3008         * config/nvptx/nvptx.c (nvptx_option_override): Don't kill debug level.
3010 2016-03-09  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
3012         * config/i386/i386.c (processor_target_table): Fix cost table
3013         intialization order for znver1.
3015 2016-03-08  Jakub Jelinek  <jakub@redhat.com>
3017         * ipa-polymorphic-call.c (walk_ssa_copies): Fix spelling
3018         - becuase -> because.
3019         * ipa-reference.c (ignore_module_statics): Likewise.
3020         * cgraph.c (cgraph_node::get_body): Likewise.
3021         * ipa-inline.c (early_inliner): Likewise.
3022         * ipa-devirt.c (types_same_for_odr): Likewise.
3023         * tree-streamer-out.c (pack_ts_type_common_value_fields): Likewise.
3024         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Likewise.
3026 2016-03-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3028         * tree-ssa-math-opts.c: Fix typo in comment.
3030 2016-03-08  Jakub Jelinek  <jakub@redhat.com>
3032         PR target/70110
3033         * config/i386/i386.c (scalar_chain::make_vector_copies,
3034         scalar_chain::convert_reg): Call end_sequence in between
3035         get_insns and emit_conversion_insns rather than after both
3036         calls.
3038 2016-03-07  Uros Bizjak  <ubizjak@gmail.com>
3040         PR target/70064
3041         * config/i386/i386.h (machine_function): Add
3042         pc_thunk_call_expanded flag.
3043         (ix86_pc_thunk_call_expanded): New define.
3044         * config/i386/i386.md (set_got, set_got_labelled): New expanders.
3045         (*set_got): Rename insn pattern from set_got.
3046         (*set_got_labelled): Rename inst pattern from set_got_labelled.
3047         * config/i386/i386.c (ix86_compute_frame_layout): Use
3048         ix86_pc_thunk_call_expanded to prevent red-zone.
3050 2016-03-07  Martin Jambor  <mjambor@suse.cz>
3052         * hsa.h (hsa_get_ctor_statements): Declare.
3053         (hsa_get_dtor_statements): Likewise.
3054         (hsa_get_kernel_dispatch_type): Likewise.
3055         * hsa.c (hsa_get_ctor_statements): New function.
3056         (hsa_get_dtor_statements): Likewise.
3057         (hsa_get_kernel_dispatch_type): Likewise.
3058         * hsa-brig.c (hsa_cdtor_statements): Removed.
3059         (hsa_output_libgomp_mapping): Use hsa_get_ctor_statements and
3060         hsa_get_dtor_statements.
3061         * hsa-gen.c (hsa_kernel_dispatch_type): Removed.
3062         (get_hsa_kernel_dispatch_offset): Use hsa_get_kernel_dispatch_type.
3064 2016-03-07  Andre Vieira  <andre.simoesdiasvieira@arm.com>
3066         * config/arm/arm-cores.def (cortex-r8): New.
3067         * config/arm/arm-tables.opt (cortex-r8): Regenerate.
3068         * config/arm/arm-tune.md: Likewise.
3069         * gcc/doc/invoke.texi: Add cortex-r8 to list of cpu values.
3071 2016-03-07  Martin Sebor  <msebor@redhat.com>
3073         PR rtl-optimization/19705
3074         * doc/invoke.texi (Options That Control Optimization): Clarify
3075         -fno-branch-count-reg.
3077 2016-02-26  Richard Biener  <rguenther@suse.de>
3078             Jeff Law  <law@redhat.com>
3080         PR tree-optimization/69740
3081         * cfghooks.c (remove_edge): Request loop fixups if we delete
3082         an edge that might turn an irreducible loop into a natural
3083         loop.
3084         * cfgloop.h (check_verify_loop_structure): Clear LOOPS_NEED_FIXUP.
3085         Move after definition of loops_state_clear.
3087 2016-03-07  Bin Cheng  <bin.cheng@arm.com>
3089         PR rtl-optimization/69052
3090         * rtlanal.c (commutative_operand_precedence): Set higher precedence
3091         to CONST_WIDE_INT.
3093 2016-03-07  Tom de Vries  <tom@codesourcery.com>
3095         PR tree-optimization/70116
3096         * tree-ssa-tail-merge.c (merge_stmts_p): New function, handling
3097         is_tm_ending stmts and ubsan/asan internal functions.
3098         (find_duplicate): Use it.  Don't test is_tm_ending here.
3100 2016-03-07  Richard Biener  <rguenther@suse.de>
3102         PR tree-optimization/70115
3103         * tree-ssa-loop-ivcanon.c (propagate_into_all_uses): Remove.
3104         (propagate_constants_for_unrolling): Use replace_uses_by.
3106 2016-03-07  Nathan Sidwell  <nathan@codesourcery.com>
3108         PR middle-end/69916
3109         * omp-low.c (struct oacc_loop): Add ifns.
3110         (new_oacc_loop_raw): Initialize it.
3111         (finish_oacc_loop): Clear mask & flags if no ifns.
3112         (oacc_loop_discover_walk): Count IFN_GOACC_LOOP calls.
3113         (oacc_loop_xform_loop): Add ifns arg & adjust.
3114         (oacc_loop_process): Adjust oacc_loop_xform_loop call.
3116 2016-03-07  Richard Henderson  <rth@redhat.com>
3118         PR rtl-opt/70061
3119         * tree-outofssa.c (emit_partition_copy): Flush pending stack adjust.
3120         (insert_value_copy_on_edge): Likewise.
3122 2016-03-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3124         * config/arm/arm_neon.h: Show error if using with soft-float ABI.
3126 2016-03-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3128         PR target/62281
3129         * config/i386/sol2.h (STACK_REALIGN_DEFAULT): Define.
3131 2016-03-05  Venkataramanan Kumar  <Venkataramanan.kumar@amd.com>
3133         * config/i386/i386.c (znver1_cost): Fix Multiply cost.
3135 2016-03-05  Venkataramanan Kumar  <Venkataramanan.kumar@amd.com>
3137         Fix sseimul type attribute.
3138         * config/i386/znver1.md
3139         (znver1_sseimul, znver1_sseimul_avx256, znver1_sseimul_load,
3140         znver1_sseimul_avx256_load) : Fix the type attribute.
3141         (znver1_sseimul_di, znver1_sseimul_load_di): Fix type attribute,
3142         pipe usage and latency.
3144 2016-03-05  Jakub Jelinek  <jakub@redhat.com>
3146         PR c++/70084
3147         * tree-inline.c (copy_tree_body_r): When cancelling ADDR_EXPR
3148         of INDIRECT_REF and ADDR_EXPR changed type, fold_convert it
3149         to the right type.
3151 2016-03-04  Bernd Schmidt  <bschmidt@redhat.com>
3153         PR c/69973
3154         * targhooks.c (default_vector_alignment): Limit to MAX_OFILE_ALIGNMENT.
3156         PR rtl-optimization/69941
3157         * postreload.c (reload_combine_recognize_pattern): Ensure all uses of
3158         the reg share its mode.
3160 2016-03-04  Jeff Law  <law@redhat.com>
3162         PR tree-optimization/69196
3163         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
3164         If the both SSA_NAMEs are anonymous, then consider them unassociated
3165         and include the PHI in the statement count.
3167 2016-03-05  Tom de Vries  <tom@codesourcery.com>
3169         * omp-low.c (check_omp_nesting_restrictions): Check for non-oacc
3170         construct in oacc routine.  Check for oacc region in oacc routine.
3172 2016-03-04  Jakub Jelinek  <jakub@redhat.com>
3174         PR target/70062
3175         * config/i386/i386.c (decide_alg): Add RECUR argument.  Revert
3176         2016-02-22 changes, instead don't recurse if RECUR is already true.
3177         Don't change *dynamic_check if RECUR.  Adjust recursive caller
3178         to pass true to the new argument.
3179         (ix86_expand_set_or_movmem): Adjust decide_alg caller.
3181         PR target/70059
3182         * config/i386/sse.md (vec_set_lo_<mode><mask_name>,
3183         <extract_type_2>_vinsert<shuffletype><extract_suf_2>_mask): Formatting
3184         fixes.
3185         (vec_set_hi_<mode><mask_name>): Likewise.  Swap VEC_CONCAT operands.
3187 2016-03-04  Bernd Schmidt  <bschmidt@redhat.com>
3189         PR rtl-optimization/57676
3190         * lra-assigns.c (lra_assign): Guard test for maximum iterations
3191         with flag_checking.
3193 2016-03-04  Ilya Enkovich  <enkovich.gnu@gmail.com>
3195         * tree-vect-patterns.c (search_type_for_mask): Handle
3196         comparison of booleans.
3198 2016-03-04  Jakub Jelinek  <jakub@redhat.com>
3200         * doc/extend.texi (__builtin_alloca, __builtin_alloca_with_align):
3201         Fix @xref usage.
3203         PR debug/69947
3204         * dwarf2out.c (prune_unused_types_walk_loc_descr): Handle
3205         all other ops that have dw_val_class_die_ref operands,
3206         and DW_OP_GNU_entry_value.
3208 2016-03-03  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3210         PR rtl-optimization/69904
3211         * config/arm/arm.c (arm_cannot_copy_insn_p):
3212         Return true for load-exclusive instructions.
3214 2016-03-03  Jakub Jelinek  <jakub@redhat.com>
3216         PR target/70021
3217         * tree-vect-stmts.c (vect_mark_relevant): Remove USED_IN_PATTERN
3218         argument, if STMT_VINFO_IN_PATTERN_P (stmt_info), always mark
3219         the pattern no matter if it is used just by non-pattern, pattern
3220         or mix thereof.
3221         (process_use, vect_mark_stmts_to_be_vectorized): Adjust callers.
3222         * tree-vect-patterns.c (vect_recog_vector_vector_shift_pattern): If
3223         oprnd1 def_stmt is in pattern, don't look through it.
3225 2016-03-03  Marek Polacek  <polacek@redhat.com>
3227         PR middle-end/70050
3228         * match.pd (X % -Y): Add INTEGRAL_TYPE_P check.
3230 2016-03-03  Martin Liska  <mliska@suse.cz>
3232         PR tree-optimization/70043
3233         * tree-vect-loop.c (optimize_mask_stores): Move iterator to
3234         previous statement if we see a debug statement.
3236 2016-03-03  Richard Biener  <rguenther@suse.de>
3238         PR tree-optimization/55936
3239         * tree-vrp.c (compare_name_with_value): Add use_equiv_p
3240         parameter and guard unsafe equivalence use.
3241         (vrp_evaluate_conditional_warnv_with_ops): Always use
3242         safe equivalences but not via the quadratic compare_names
3243         helper.
3245 2016-03-03  Michael Collison  <michael.collison@linaro.org>
3247         PR target/70014
3248         * config/arm/arm.md (*subsi3_carryin_const): Change predicate
3249         for operand 1 to s_register_operand. Change predicate for operand
3250         2 to arm_not_immediate_operand.
3252 2016-03-02  H.J. Lu  <hongjiu.lu@intel.com>
3254         * doc/tm.texi: Regenerated.
3256 2016-03-02  Richard Henderson  <rth@redhat.com>
3258         PR rtl-opt/67145
3259         * simplify-rtx.c (simplify_plus_minus): Allow reassoc without
3260         simplification when all args are positive non-fixed registers.
3262 2016-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3264         * target.def (lra_p): Specify that new ports should use LRA.
3266 2016-03-02  Jakub Jelinek  <jakub@redhat.com>
3268         PR libgomp/69555
3269         * gimplify.c (gimplify_decl_expr): For decls with REFERENCE_TYPE, also
3270         gimplify_type_sizes the type they refer to.
3271         (omp_notice_variable): Handle reference vars to VLAs.
3272         * omp-low.c (lower_omp_target): Emit setup of OMP_CLAUSE_PRIVATE
3273         reference to VLA decls in the second pass instead of first pass.
3275 2016-03-02  Tom de Vries  <tom@codesourcery.com>
3277         PR tree-optimization/68659
3278         * graphite-isl-ast-to-gimple.c (collect_all_ssa_names): Handle
3279         new_expr == NULL_TREE.
3280         (get_new_name): Handle ADDR_EXPR.
3282 2016-03-02  Bin Cheng  <bin.cheng@arm.com>
3284         PR rtl-optimization/69052
3285         * loop-invariant.c (canonicalize_address): New function.
3286         (inv_can_prop_to_addr_use): Check validity of address expression
3287         which is canonicalized by above function.
3289 2016-03-02  Alan Modra  <amodra@gmail.com>
3291         PR ipa/69990
3292         * ipa-icf.c (sem_variable::merge): Do not merge an alias with
3293         larger alignment.
3295 2016-03-02  Jakub Jelinek  <jakub@redhat.com>
3297         PR target/70028
3298         * config/i386/i386.md (kmovw): Move m constraint to 2nd alternative.
3299         (*movhi_internal): Put mask moves from and to memory separately
3300         from moves from/to GPRs.
3302 2016-03-02  Richard Biener  <rguenther@suse.de>
3304         * genmatch.c (dt_node::gen_kids): Fix match code-gen for embedded
3305         GENERIC expressions in GIMPLE.
3307 2016-03-02  Richard Biener  <rguenther@suse.de>
3309         * config/i386/i386.c (type_natural_mode): Fix typo.
3311 2016-03-02  Nick Clifton  <nickc@redhat.com>
3313         * config.gcc (mep-*-elf): Add newlib-stdint.h to tm_file.
3315 2016-03-02  Richard Biener  <rguenther@suse.de>
3316             Uros Bizjak  <ubizjak@gmail.com>
3318         PR target/67278
3319         * config/i386/i386.c (type_natural_mode): Handle XFmode vectors.
3321 2016-03-02  Richard Biener  <rguenther@suse.de>
3323         PR middle-end/67278
3324         * tree-cfg.c (verify_expr): Adjust BIT_FIELD_REF case.
3326 2016-03-02  Marek Polacek  <polacek@redhat.com>
3328         PR c/67854
3329         * gimplify.c (gimplify_va_arg_expr): Use expanded location for the
3330         "is promoted to" warning.
3332 2016-03-01  DJ Delorie  <dj@redhat.com>
3334         * config.gcc: Deprecate mep-*.
3336 2016-03-01  Vladimir Makarov  <vmakarov@redhat.com>
3338         PR middle-end/70025
3339         * lra-constraints.c (regno_val_use_in): New.
3340         (match_reload): Use it instead of regno_use_in.
3342 2016-03-01  Eric Botcazou  <ebotcazou@adacore.com>
3344         PR rtl-optimization/70007
3345         * gcse.c (compute_ld_motion_mems): Tidy up and also invalidate memory
3346         references present in REG_EQUAL notes attached to non-SET patterns.
3348 2016-03-01  Jeff Law  <law@redhat.com>
3350         PR tree-optimization/69196
3351         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
3352         Appropriately clamp the number of statements to copy when the
3353         thread path does not traverse a loop backedge.
3355         PR tree-optimization/69196
3356         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
3357         Do count some PHIs in the thread path against the insn count.  Decrease
3358         final statement count by one as the control statement in the last
3359         block will get removed.  Remove special cased code for handling PHIs
3360         in the last block.
3362 2016-03-01  Uros Bizjak  <ubizjak@gmail.com>
3364         PR target/70027
3365         * config/i386/i386.c (ix86_output_call_insn): Add -masm=intel
3366         asm dialect alternatives to explicit GOTPCREL calls.
3368 2016-03-01  Eric Botcazou  <ebotcazou@adacore.com>
3370         PR ada/70017
3371         * ira.c (do_reload): Issue warning for generic stack checking here...
3372         * reload1.c (reload): ...instead of here and streamline it.
3374 2016-03-01  Nick Clifton  <nickc@redhat.com>
3376         * config.gcc (cr16-*-elf): Add newlib-stdint.h to tm_file.
3378 2016-03-01  Richard Biener  <rguenther@suse.de>
3380         PR tree-optimization/69983
3381         * tree-chrec.c (eq_evolutions_p): Handle conversions, compare
3382         types and fall back to operand_equal_p.
3384 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
3386         Revert
3387         2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
3389         * config/s390/constraints.md ("jm8"): New constraint.
3390         * config/s390/predicates.md ("const_int_8bitset_operand"): New
3391         predicate.
3392         * config/s390/s390.md ("*setmem_long", "*setmem_long_and"): Merge
3393         into ...
3394         ("*setmem_long<setmem_and>"): New pattern.
3395         ("*setmem_long_31z", "*setmem_long_and_31z"): Merge
3396         into ...
3397         ("*setmem_long_31z<setmem_and>"): New pattern.
3398         * config/s390/subst.md ("setmem_31z_subst", "setmem_and_subst"):
3399         New substitution rules with the required attributes.
3402 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
3404         Revert
3405         2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
3407         * gensupport.c (process_substs_on_one_elem): Split loop to
3408         complete mark_operands_used_in_match_dup on all expressions in the
3409         vector first.
3410         (adjust_operands_numbers): Inline into process_substs_on_one_elem
3411         and remove function.
3413 2016-03-01  Richard Biener  <rguenther@suse.de>
3415         PR middle-end/70022
3416         * fold-const.c (fold_indirect_ref_1): Fix range checking for
3417         vector BIT_FIELD_REF extract.
3419 2016-03-01  Richard Biener  <rguenther@suse.de>
3421         PR tree-optimization/69994
3422         * tree-ssa-reassoc.c (ops_equal_values_p): Handle missing case.
3424 2016-03-01  Ilya Enkovich  <enkovich.gnu@gmail.com>
3426         PR tree-optimization/69956
3427         * tree-vect-stmts.c (supportable_widening_operation): Support
3428         multi-step conversion of boolean vectors.
3429         (supportable_narrowing_operation): Likewise.
3431 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
3433         * config/s390/s390.c (s390_decompose_address): Don't accept SImode
3434         anymore.
3436 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
3438         * config/s390/subst.md (DSI_VI): New mode iterator.
3439         ("addr_style_op_subst"): Use DSI_VI instead of DSI.
3440         * config/s390/vector.md ("vec_set<mode>"): Move expander before
3441         the insn definition.
3442         ("*vec_set<mode>"): Change predicate and add alternative to
3443         support only either register or const_int operands as element
3444         selector.
3445         ("*vec_set<mode>_plus"): New pattern to support reg + const_int
3446         operands.
3447         ("vec_extract<mode>"): New expander.
3448         ("*vec_extract<mode>"): New insn definition supporting reg and
3449         const_int element selectors.
3450         ("*vec_extract<mode>_plus"): New insn definition supporting
3451         reg+const_int element selectors.
3452         ("rotl<mode>3", "ashl<mode>3", "ashr<mode>3"): Merge into the
3453         following expander+insn definition.
3454         ("<vec_shifts_name><mode>3"): New expander.
3455         ("*<vec_shifts_name><mode>3<addr_style_op>"): New insn definition.
3457 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
3459         * config/s390/s390.md ("*tabort_1"): Change predicate to
3460         nonmemory_operand.  Add a second alternative to cover
3461         register as well as const int operands.
3462         ("*tabort_1_plus"): New pattern definition.
3464 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
3466         * config/s390/s390.md ("*ashrdi3_cc_31")
3467         ("*ashrdi3_cconly_31""*ashrdi3_cc_31_and")
3468         ("*ashrdi3_cconly_31_and", "*ashrdi3_31_and", "*ashrdi3_31"):
3469         Merge insn definitions into ...
3470         ("*ashrdi3_31<addr_style_op_cc><masked_op_cc><setcc><cconly>"):
3471         New pattern definition.
3472         ("*ashr<mode>3_cc", "*ashr<mode>3_cconly", "ashr<mode>3", )
3473         ("*ashr<mode>3_cc_and", "*ashr<mode>3_cconly_and")
3474         ("*ashr<mode>3_and"): Merge insn definitions into ...
3475         ("*ashr<mode>3<addr_style_op_cc><masked_op_cc><setcc><cconly>"):
3476         New pattern definition.
3477         * config/s390/subst.md ("addr_style_op_cc_subst")
3478         ("masked_op_cc_subst", "setcc_subst", "cconly_subst"): New
3479         substitutions patterns plus attributes.
3480         Add ashiftrt to SUBST iterator.
3482 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
3484         * config/s390/s390.md ("<shift><mode>3"): Change predicate of
3485         op2 to nonmemory_operand.
3486         ("*<shift>di3_31", "*<shift>di3_31_and"):
3487         Merge into single pattern definition ...
3488         ("*<shift>di3_31<addr_style_op><masked_op>"): New pattern.
3489         ("*<shift><mode>3", "*<shift><mode>3_and"): Merge into single
3490         pattern definition ...
3491         ("*<shift><mode>3<addr_style_op><masked_op>"): New pattern.
3492         * config/s390/subst.md: Add ashift and lshiftrt to SUBST
3493         iterator.
3495 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
3497         * config/s390/predicates.md (const_int_6bitset_operand): New
3498         predicate.
3499         * config/s390/s390.md: Include subst.md.
3500         ("rotl<mode>3"): New expander.
3501         ("rotl<mode>3", "*rotl<mode>3_and"): Merge insn definitions into
3502         ...
3503         ("*rotl<mode>3<addr_style_op><masked_op>"): New insn definition.
3504         * config/s390/subst.md: New file.
3506 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
3508         * config/s390/s390.md ("op_type", "atype", "length" attributes):
3509         Remove RRR type.  It doesn't really exist.
3510         ("RRer", "f0", "v0", "vf", "vd", "op1", "Rf"): Remove mode
3511         attributes.
3512         ("BFP", "DFP", "nDSF", "nDFDI"): Add mode attributes.
3513         ("*cmp<mode>_ccs", "floatdi<mode>2", "add<mode>3")
3514         ("*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3")
3515         ("*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3")
3516         ("fma<mode>4", "fms<mode>4", "div<mode>3", "*neg<mode>2")
3517         ("*abs<mode>2", "*negabs<mode>2", "sqrt<mode>2"): Override
3518         `enabled' attribute.
3520 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
3522         * gensupport.c (process_substs_on_one_elem): Split loop to
3523         complete mark_operands_used_in_match_dup on all expressions in the
3524         vector first.
3525         (adjust_operands_numbers): Inline into process_substs_on_one_elem
3526         and remove function.
3528 2016-02-29  Eric Botcazou  <ebotcazou@adacore.com>
3530         PR target/69706
3531         * config/sparc/sparc.c (NWORDS_UP): Rename to...
3532         (CEIL_NWORDS): ...this.  Use CEIL macro.
3533         (compute_fp_layout): Adjust to above renaming.
3534         (function_arg_union_value): Likewise.
3535         (sparc_arg_partial_bytes): Likewise.
3536         (sparc_function_arg_advance): Likewise.
3538 2016-02-29  Jeff Law  <law@redhat.com>
3540         PR tree-optimization/70005
3541         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Handle case
3542         where an object with a boolean range is compared against a value
3543         outside [0..1].
3545         PR tree-optimization/69999
3546         * gimple-ssa-split-paths.c (split_paths): When duplicating a block
3547         with an outgoing edge marked with EDGE_IRREDUCIBLE_LOOP, schedule
3548         loop cleanups.
3550 2016-02-29  Richard Biener  <rguenther@suse.de>
3552         PR tree-optimization/69994
3553         * tree-ssa-reassoc.c (gimple_nop_conversion_p): New function.
3554         (get_unary_op): Look through nop conversions.
3555         (ops_equal_values_p): New function, look for equality diregarding
3556         nop conversions.
3557         (eliminate_plus_minus_pair): Use ops_equal_values_p
3558         (repropagate_negates): Do not use get_unary_op here.
3560 2016-02-29  Martin Liska  <mliska@suse.cz>
3562         * system.h: Poison ENABLE_CHECKING macro.
3564 2016-02-29  Martin Liska  <mliska@suse.cz>
3566         * hsa-gen.c (gen_body_from_gimple): Dump only if TDF_DETAILS
3567         is presented in dump flags.
3568         * hsa-regalloc.c (linear_scan_regalloc): Likewise.
3569         (hsa_regalloc): Likewise.
3571 2016-02-19  Richard Biener  <rguenther@suse.de>
3573         PR tree-optimization/69980
3574         * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Update
3575         permutation of those we need to keep.
3577 2016-02-29  Eric Botcazou  <ebotcazou@adacore.com>
3579         PR target/69706
3580         * config/sparc/sparc.c (ROUND_ADVANCE): Rename to...
3581         (NWORDS_UP): ...this
3582         (init_cumulative_args): Minor tweaks.
3583         (sparc_promote_function_mode): Likewise.
3584         (scan_record_type): Delete.
3585         (traverse_record_type): New function template.
3586         (classify_data_t): New structure type.
3587         (classify_registers): New inline function.
3588         (function_arg_slotno): In 64-bit mode, bail out early if FP slots are
3589         exhausted.  Instantiate traverse_record_type on classify_registers and
3590         deal with the case of a structure passed in slot #15 with no FP field
3591         in the first word.
3592         (assign_data_t): New structure type.
3593         (compute_int_layout): New static function.
3594         (compute_fp_layout): Likewise.
3595         (count_registers): New inline function.
3596         (assign_int_registers): New static function.
3597         (assign_fp_registers): Likewise.
3598         (assign_registers): New inline function.
3599         (function_arg_record_value_1): Delete.
3600         (function_arg_record_value_2): Likewise.
3601         (function_arg_record_value_3): Likewise.
3602         (function_arg_record_value): Adjust to above changes.  Instantiate
3603         traverse_record_type on count_registers to first count the number of
3604         registers to be used and then on assign_registers to assign them.
3605         (function_arg_union_value): Adjust to above renaming.
3606         (sparc_function_arg_1); Minor tweaks.  Remove commented out code.
3607         (sparc_arg_partial_bytes): Adjust to above renaming.  Deal with the
3608         case of a structure passed in slot #15
3609         (sparc_function_arg_advance): Likewise.
3610         (function_arg_padding): Minor tweak.
3612 2016-02-29  Richard Biener  <rguenther@suse.de>
3614         PR tree-optimization/69720
3615         * tree-vect-loop.c (get_initial_def_for_reduction): Avoid
3616         the adjustment_def path for possibly vectorized defs.
3617         (vect_create_epilog_for_reduction): Handle vectorized initial
3618         defs properly.
3620 2016-02-28  Eric Botcazou  <ebotcazou@adacore.com>
3622         * config/i386/cygming.h (STACK_REALIGN_DEFAULT): Define.
3624 2016-02-27  Jeff Law  <law@redhat.com>
3626         Revert
3627         2016-02-26  Richard Biener  <rguenther@suse.de>
3628                     Jeff Law  <law@redhat.com>
3630         PR tree-optimization/69740
3631         * cfghooks.c (remove_edge): Request loop fixups if we delete
3632         an edge that might turn an irreducible loop into a natural
3633         loop.
3635 2016-02-27  Jakub Jelinek  <jakub@redhat.com>
3637         PR rtl-optimization/69896
3638         * tree-vect-generic.c (get_compute_type): Avoid single element
3639         vector types.
3641 2016-02-26  Evandro Menezes  <e.menezes@samsung.com>
3643         Rename the AArch64 tuning option and related functions to enable the
3644         Newton series for the reciprocal square root to reflect its
3645         approximative characteristic.
3647         * config/aarch64/aarch64-protos.h (aarch64_emit_swrsqrt): Rename
3648         function to "aarch64_emit_approx_rsqrt".
3649         * config/aarch64/aarch64-tuning-flags.def: Rename tuning flag to
3650         AARCH64_EXTRA_TUNE_APPROX_RSQRT.
3651         * config/aarch64/aarch64.c (exynosm1_tunigs): Use new flag name.
3652         (xgene1_tunings): Likewise.
3653         (use_rsqrt_p): Likewise.
3654         (aarch64_emit_swrsqrt): Use new function name.
3655         * config/aarch64/aarch64-simd.md (aarch64_rsqrts_*): Likewise.
3656         * config/aarch64/aarch64.opt (mlow-precision-recip-sqrt): Reword the
3657         text explaining this option.
3658         * doc/invoke.texi (-mlow-precision-recip-sqrt): Likewise.
3660 2016-02-26  Jakub Jelinek  <jakub@redhat.com>
3662         PR target/69969
3663         * config/rs6000/rs6000.c (rs6000_option_override_internal): Don't
3664         complain about -mallow-movmisalign without -mvsx if
3665         TARGET_ALLOW_MOVMISALIGN was not set explicitly.
3667 2016-02-26  Joel Sherrill  <joel@rtems.org>
3669         * config.gcc: Add x86_64-*-rtems*.
3670         * gcc/config/i386/rtems-64.h: New file.
3672 2016-02-26  Joel Sherrill  <joel@rtems.org>
3674         * config.gcc: Add aarch64-*-rtems*.
3675         * gcc/config/aarch64/rtems.h: New file.
3677 2016-02-26  Segher Boessenkool  <segher@kernel.crashing.org>
3679         PR target/69946
3680         * config/rs6000/rs6000.c (rs6000_insn_for_shift_mask): Print rlwinm
3681         shift amount using %h.  Add comment.
3683 2016-02-26  Richard Biener  <rguenther@suse.de>
3684             Jeff Law  <law@redhat.com>
3686         PR tree-optimization/69740
3687         * cfghooks.c (remove_edge): Request loop fixups if we delete
3688         an edge that might turn an irreducible loop into a natural
3689         loop.
3691 2016-02-26  Martin Jambor  <mjambor@suse.cz>
3693         PR middle-end/69920
3694         * tree-sra.c (sra_modify_assign): Do not remove loads of
3695         uninitialized aggregates to SSA_NAMEs.
3697 2016-02-26  Richard Henderson  <rth@redhat.com>
3699         PR target/69709
3700         * config/s390/s390.md (risbg and risbgn splitters): Allocate new
3701         pseudo in case the target rtx matches the source of the left
3702         shift.
3704 2016-02-26  Martin Jambor  <mjambor@suse.cz>
3706         PR hsa/69568
3707         * hsa.h (hsa_type_packed_p): Declare.
3708         * hsa.c (hsa_type_packed_p): New function.
3709         * hsa-gen.c (mem_type_for_type): Use unsigned type for packed
3710         loads.
3711         (gen_hsa_insns_for_store): Use hsa_type_packed_p.
3712         * hsa-brig.c (emit_basic_insn): Likewise.
3714 2016-02-26  Martin Jambor  <mjambor@suse.cz>
3716         pr hsa/69674
3717         * hsa-gen.c (gen_hsa_phi_from_gimple_phi): Use proper hsa type for
3718         pointers.
3719         (gen_hsa_addr): Allow integer constants in TMR_INDEX2.
3721 2016-02-26  Martin Jambor  <mjambor@suse.cz>
3723         * hsa.h (is_a_helper): New overload for hsa_op_immed for
3724         hsa_op_with_type operands.
3725         (hsa_unsigned_type_for_type): Declare.
3726         * hsa.c (hsa_unsigned_type_for_type): New function.
3727         * hsa-gen.c (gen_hsa_binary_operation): Use hsa_unsigned_type_for_type.
3728         (gen_hsa_insns_for_operation_assignment): Satisfy constrains of
3729         the finalizer.  Do not emit extra move.
3731 2016-02-26  Martin Jambor  <mjambor@suse.cz>
3733         * hsa-gen.c (gen_hsa_ternary_atomic_for_builtin): Fail in presence of
3734         atomic operations in private segment.
3736 2016-02-26  Martin Jambor  <mjambor@suse.cz>
3738         * omp-low.c (grid_find_ungridifiable_statement): Store problematic
3739         statements to wi->info.  Also disallow omp simd constructs.
3740         (grid_target_follows_gridifiable_pattern): Use wi.info to dump reason
3741         for not gridifying.  Dump special string for omp_for.
3743 2016-02-26  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3745         PR target/69245
3746         * config/aarch64/aarch64.c (aarch64_set_current_function):
3747         Save/restore target globals when switching to
3748         target_option_default_node.
3750 2016-02-26  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3752         PR target/69613
3753         * config/aarch64/aarch64.c (aarch64_shift_truncation_mask):
3754         Return 0 if !SHIFT_COUNT_TRUNCATED.
3756 2016-02-26  Jakub Jelinek  <jakub@redhat.com>
3757             Eric Botcazou  <ebotcazou@adacore.com>
3759         PR rtl-optimization/69891
3760         * dse.c (scan_insn): If we can't figure out memset arguments
3761         or they are non-constant, call clear_rhs_from_active_local_stores.
3763 2016-02-26  Martin Liska  <mliska@suse.cz>
3765         * doc/extend.texi: Mention clog10, clog10f an clog10l
3766         in Builtins section.
3768 2016-02-26  Martin Liska  <mliska@suse.cz>
3770         * dwarf2out.c (new_loc_descr): Replace ENABLE_CHECKING with
3771         CHECKING_P.
3772         (resolve_args_picking_1): Likewise.
3773         * dwarf2out.h (struct GTY): Likewise.
3775 2016-02-26  Martin Liska  <mliska@suse.cz>
3777         * hsa-gen.c (generate_hsa): Replace ENABLE_CHECKING macro
3778         with flag_checking.
3779         * hsa-regalloc.c (linear_scan_regalloc): Likewise.
3781 2016-02-26  Markus Trippelsdorf  <markus@trippelsdorf.de>
3782             Martin Liska  <mliska@suse.cz>
3784         * doc/install.texi: Mention --enable-valgrind-annotations.
3786 2016-02-26  Richard Biener  <rguenther@suse.de>
3788         PR tree-optimization/69551
3789         * tree-ssa-structalias.c (get_constraint_for_ssa_var): When
3790         looking through aliases adjust DECL_PT_UID to refer to the
3791         ultimate alias target.
3793 2016-02-25  Martin Liska  <mliska@suse.cz>
3795         PR middle-end/69919
3796         * alloc-pool.c (after_memory_report): New variable.
3797         * alloc-pool.h (base_pool_allocator ::release): Do not use
3798         the infrastructure if after_memory_report.
3799         * toplev.c (toplev::main): Mark after memory report.
3801 2016-02-25  Richard Biener  <rguenther@suse.de>
3803         PR tree-optimization/48795
3804         * tree-vrp.c (check_array_ref): Use array_at_struct_end_p.
3806 2016-02-25  Ilya Verbin  <ilya.verbin@intel.com>
3808         PR driver/68463
3809         * config/gnu-user.h (CRTOFFLOADBEGIN): Define.  Add crtoffloadbegin.o if
3810         offloading is enabled and -fopenacc or -fopenmp is specified.
3811         (CRTOFFLOADEND): Likewise.
3812         (GNU_USER_TARGET_STARTFILE_SPEC): Add CRTOFFLOADBEGIN.
3813         (GNU_USER_TARGET_ENDFILE_SPEC): Add CRTOFFLOADEND.
3814         * lto-wrapper.c (offloadbegin, offloadend): Remove static vars.
3815         (offload_objects_file_name): New static var.
3816         (tool_cleanup): Remove offload_objects_file_name file.
3817         (find_offloadbeginend): Replace with ...
3818         (find_crtoffloadtable): ... this.
3819         (run_gcc): Remove offload_argc and offload_argv.
3820         Get offload_objects_file_name from -foffload-objects=... option.
3821         Read names of object files with offload from this file, pass them to
3822         compile_images_for_offload_targets.  Don't call find_offloadbeginend and
3823         don't pass offloadbegin and offloadend to the linker.  Don't pass
3824         offload non-LTO files to the linker, because now they're not claimed.
3826 2016-02-25  Jan Hubicka  <hubicka@ucw.cz>
3828         PR ipa/69630
3829         * ipa-devirt.c (possible_polymorphic_call_targets): Do not ICE
3830         on builtin_unreachable.
3832 2016-02-25  Jakub Jelinek  <jakub@redhat.com>
3834         PR rtl-optimization/69896
3835         * regcprop.c: Include cfgrtl.h.
3836         (copyprop_hardreg_forward_1): If noop_p insn uses narrower
3837         than remembered mode, either delete it (if noop_move_p), or
3838         treat like copy_p but not noop_p instruction.
3840 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
3842         PR debug/69705
3843         * dwarf2out.c (gen_variable_die): Work around buggy LTO
3844         - allow NULL decl for Fortran DW_TAG_common_block variables.
3846 2016-02-24  Jason Merrill  <jason@redhat.com>
3848         * common.opt (flifetime-dse): Add -flifetime-dse=1.
3850 2016-02-24  Richard Biener  <rguenther@suse.de>
3851             Jakub Jelinek  <jakub@redhat.com>
3853         PR middle-end/69760
3854         * tree-scalar-evolution.c (interpret_rhs_expr): Re-write
3855         conditionally executed ops to well-defined overflow behavior.
3857 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
3859         PR middle-end/69915
3860         * tree.c (build_vector_from_ctor): Fix handling of VECTOR_CST
3861         elements.
3863 2016-02-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3865         PR rtl-optimization/69886
3866         * gcse.c (can_assign_to_reg_without_clobbers_p): Accept mode
3867         argument.  Use it when checking validity of set instructions.
3868         (want_to_gcse_p): Pass mode to can_assign_to_reg_without_clobbers_p.
3869         (compute_ld_motion_mems): Update can_assign_to_reg_without_clobbers_p
3870         callsite.
3871         * rtl.h (can_assign_to_reg_without_clobbers_p): Update prototype.
3872         * store-motion.c (find_moveable_store): Update
3873         can_assign_to_reg_without_clobbers_p callsite.
3875 2016-02-24  Richard Biener  <rguenther@suse.de>
3877         PR middle-end/68963
3878         * tree-ssa-loop-niter.c (derive_constant_upper_bound_ops): Fix
3879         bogus check.
3880         (record_nonwrapping_iv): Do not fall back to the low/high bound
3881         for non-constant IV bases if the stmt is not always executed.
3883 2016-02-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3885         * config/arm/arm-cores.def (cortex-a32): New entry.
3886         * config/arm/arm-tables.opt: Regenerate.
3887         * config/arm/arm-tune.md: Regenerate.
3888         * config/arm/bpabi.h (BE8_LINK_SPEC): Add mcpu=cortex-a32.
3889         * config/arm/t-aprofile: Handle mcpu=cortex-a32.
3890         * doc/invoke.texi (ARM Options): Document cortex-a32 as value
3891         for -mcpu and -mtune.
3893 2016-02-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3895         PR target/69875
3896         * config/arm/arm.h (TARGET_HAVE_LPAE): Define.
3897         * config/arm/unspecs.md (VUNSPEC_LDRD_ATOMIC): New value.
3898         * config/arm/sync.md (arm_atomic_loaddi2_ldrd): New pattern.
3899         (atomic_loaddi_1): Delete.
3900         (atomic_loaddi): Rewrite expander using the above changes.
3902 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
3904         PR c/69918
3905         * params.def (PARAM_MAX_SSA_NAME_QUERY_DEPTH): Bump default from
3906         2 to 3.
3908 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
3909             Richard Biener  <rguenth@suse.de>
3911         PR middle-end/69909
3912         * expr.c (expand_expr_real_1) <normal_inner_ref>: Avoid
3913         set_mem_attributes if tem is SSA_NAME which got expanded
3914         as a MEM.
3916 2016-02-24  Richard Biener  <rguenther@suse.de>
3918         PR tree-optimization/69907
3919         * tree-vect-stmts.c (vectorizable_load): Check for gaps at the
3920         end of permutations for BB vectorization.
3922 2016-02-24  Christian Bruel  <christian.bruel@st.com>
3924         * config/arm/arm-c.c (arm_option_override): Initialize
3925         target_option_current_node.
3926         * config/arm/arm.c (arm_pragma_target_parse): Replace
3927         build_target_option_node call by target_option_current_node.
3928         Set target_option_current_node.
3929         Fix comments.
3931 2016-02-23  David Edelsohn  <dje.gcc@gmail.com>
3933         PR target/69810
3934         * config/rs6000/rs6000.md (zero_extendqi<mode>2_dot): Convert from
3935         define_insn_and_split to define_insn.
3936         (zero_extendqi<mode>2_dot2): Same.
3937         (extendqi<mode>2_dot): Same.
3938         (extendqi<mode>2_dot2): Same.
3940 2016-02-23  Evandro Menezes  <e.menezes@samsung.com>
3942         * config/arm/exynos-m1.md: Change cost of STP, fix bypass for stores
3943         and add bypass for AES{D,E} and AESMC pairs.
3944         * config/aarch64/aarch64.c (exynosm1_tunings): Enable fusion of AES{D,E}
3945         and AESMC pairs.
3947 2016-02-23  Evandro Menezes  <e.menezes@samsung.com>
3949         * config/aarch64/aarch64.c (exynosm1_tunings): Enable the Newton
3950         series for reciprocal square root in Exynos M1.
3952 2016-02-23  Martin Sebor  <msebor@redhat.com>
3954         PR c/69759
3955         * doc/extend.texi (Other Builtins): Document __builtin_alloca and
3956         __builtin_alloca_with_align.
3958 2016-02-23  Richard Henderson  <rth@redhat.com>
3960         * config/i386/i386-c.c (ix86_target_macros): Remove __SEG_TLS.
3961         (ix86_register_pragmas): Remove __seg_tls.
3962         * config/i386/i386-protos.h (ADDR_SPACE_SEG_TLS): Remove.
3963         * config/i386/i386.c (ix86_print_operand_address_as): Don't handle it.
3964         (ix86_addr_space_subset_p, TARGET_ADDR_SPACE_SUBSET_P): Remove.
3965         (ix86_addr_space_convert, TARGET_ADDR_SPACE_CONVERT): Remove.
3966         (ix86_addr_space_debug, TARGET_ADDR_SPACE_DEBUG): Remove.
3967         * doc/extend.texi (__seg_tls): Remove item.
3969 2016-02-23  Richard Biener  <rguenther@suse.de>
3971         * alloc-pool.h (struct allocation_object): Make id member
3972         conditional on CHECKING_P again.
3973         (get_instance): Adjust.
3974         (base_pool_allocator): Likewise.
3976 2016-02-23  Thomas Schwinge  <thomas@codesourcery.com>
3978         * tree-parloops.c (create_parallel_loop, gen_parallel_loop)
3979         (parallelize_loops): In OpenACC kernels mode, set n_threads to
3980         zero.
3981         (pass_parallelize_loops::gate): In OpenACC kernels mode, gate on
3982         flag_openacc.
3983         * tree-ssa-loop.c (gate_oacc_kernels): Likewise.
3985 2016-02-23  Richard Biener  <rguenther@suse.de>
3987         * mem-stats.h (struct mem_usage): Use PRIu64 for printing size_t.
3988         * bitmap.h (struct bitmap_usage): Likewise.
3989         (bitmap_move): Declare.
3990         * bitmap.c (register_overhead): Take size_t argument.
3991         (bitmap_move): New function.
3992         * df-problems.c (df_rd_transfer_function): Use bitmap_move
3993         to properly account overhead.
3994         * tree.c (free_node): Use tree_size.
3996 2016-02-23  Jakub Jelinek  <jakub@redhat.com>
3998         PR c++/69902
3999         * fold-const.c (fold_truth_not_expr): Propagate TREE_NO_WARNING
4000         when inverting comparison.
4002         PR c/69900
4003         * common.opt (Wunreachable-code): Add Warning flag.
4005 2016-02-23  Mark Wielaard  <mjw@redhat.com>
4006             Jakub Jelinek  <jakub@redhat.com>
4008         PR c/69911
4009         * cgraphunit.c (check_global_declaration): Check main_input_filename
4010         and DECL_SOURCE_FILE are not NULL.
4012 2016-02-23  Martin Jambor  <mjambor@suse.cz>
4014         PR tree-optimization/69666
4015         * tree-sra.c (sra_modify_assign): Do not attempt to create
4016         default_def replacements for unscalarizable regions.
4018 2016-02-20  Mark Wielaard  <mjw@redhat.com>
4020         PR c/28901
4021         * cgraphunit.c (check_global_declaration): Check level of
4022         warn_unused_const_variable and main_input_filename.
4023         * doc/invoke.texi (Warning Options): Add -Wunused-const-variable=.
4024         (-Wunused-variable): For C implies -Wunused-const-variable=1.
4025         (-Wunused-const-variable): Explain levels 1 and 2.
4027 2016-02-22  Jakub Jelinek  <jakub@redhat.com>
4029         PR target/69888
4030         * config/i386/i386.c (decide_alg): Ensure we don't recurse with
4031         identical arguments.  Formatting and spelling fixes.
4033         PR target/69885
4034         * doc/md.texi (ashl@var{m}3): Document that mode of operand 2 must
4035         be specified.
4037         PR target/69894
4038         PR target/69895
4039         * config/m68k/t-opts (OPTIONS_H_EXTRA): Add m68k-microarchs.def
4040         and m68k-devices.def.
4041         * config/c6x/t-c6x (OPTIONS_H_EXTRA): Add c6x-isas.def.
4042         * config/aarch64/t-aarch64 (OPTIONS_H_EXTRA): Add aarch64-arches.def.
4044 2016-02-22  Cesar Philippidis  <cesar@codesourcery.com>
4046         * config/nvptx/nvptx.c (nvptx_gen_shuffle): Add support for QImode
4047         and HImode registers.
4049 2016-02-22  Richard Biener  <rguenther@suse.de>
4051         PR tree-optimization/69882
4052         * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Properly
4053         preserve permutations present because of gaps.
4054         (vect_supported_load_permutation_p): Always continue checking
4055         permutations after vect_attempt_slp_rearrange_stmts.
4057 2016-02-22  Bin Cheng  <bin.cheng@arm.com>
4059         * tree-vect-loop.c (vect_estimate_min_profitable_iters): Dump
4060         min_profitable_estimate, rather than min_profitable_iters.
4062 2016-02-22  Jakub Jelinek  <jakub@redhat.com>
4064         PR target/69885
4065         * config/m68k/m68k.md (ashldi3, ashrdi3, lshrdi3): Use
4066         SImode for last match_operand.
4068 2016-02-22  Martin Liska  <mliska@suse.cz>
4070         * hsa-gen.c (gen_hsa_clrsb): In case of zero value,
4071         return bitsize - 1 as the return value.
4073 2016-02-22  Oleg Endo  <olegendo@gcc.gnu.org>
4075         PR target/69806
4076         PR target/54089
4077         * config/sh/sh.c (sh_lshrsi_clobbers_t_reg_p, sh_dynamicalize_shift_p):
4078         Handle negative shift counts.
4079         * config/sh/sh.md (ashlsi3, lshrsi3_n, lshrsi3_n_clobbers_t): Don't use
4080         force_reg on the shift constant.
4081         (lshrsi3): Likewise.  Expand into lshrsi3_n* instead of lshrsi3_d.
4082         (lshrsi3_d): Handle negative shift counts.
4084 2016-02-22  Richard Biener  <rguenther@suse.de>
4085             Tom de Vries  <tom@codesourcery.com>
4087         * graph.c: Include dumpfile.h.
4088         (print_graph_cfg): Split into three overloads.
4089         * gdbhooks.py (class DotFn): Add and instantiate, adding command dot-fn.
4091 2016-02-22  Tom de Vries  <tom@codesourcery.com>
4093         * gdbhooks.py (class DumpFn): Add and instantiate, adding command
4094         dump-fn.
4096 2016-02-22  Richard Biener  <rguenther@suse.de>
4098         PR ipa/37448
4099         * ipa-inline-transform.c (inline_call): When not updating
4100         overall summaries adjust self size by the growth estimate.
4101         * ipa-inline.c (inline_to_all_callers_1): Add to the callers
4102         hash-set, do not update overall summaries here.  Renamed from ...
4103         (inline_to_all_callers): ... this which is now wrapping the
4104         above and performing delayed overall summary update.
4105         (early_inline_small_functions): Delay updating of the overall
4106         summary.
4108 2016-02-21  Markus Trippelsdorf  <markus@trippelsdorf.de>
4110         * tree-chkp.c (chkp_mark_invalid_bounds_walker): Initialize
4111         variable.
4113 2016-02-19  Jakub Jelinek  <jakub@redhat.com>
4115         PR driver/69805
4116         * gcc.c (LINK_COMMAND_SPEC, GOMP_SELF_SPECS): Use
4117         :%* in %:gt() argument.
4118         (greater_than_spec_func): Adjust for expecting only numbers,
4119         if there are more than two numbers, compare the last two.
4121 2016-02-19  Jonathan Wakely  <jwakely@redhat.com>
4123         * doc/invoke.texi (C++ Dialect Options): Clarify interaction of
4124         -Wnarrowing with -std.
4126 2016-02-19  Jakub Jelinek  <jakub@redhat.com>
4128         PR c++/69851
4129         * expr.c (store_field): Don't use bit-field path if exp is
4130         COMPONENT_REF with TREE_ADDRESSABLE type, where TYPE_SIZE is
4131         different from bitsize, but DECL_SIZE of FIELD_DECL is bitsize
4132         and the assignment can be performed by bitwise copy.  Formatting
4133         fix.
4135         PR middle-end/69838
4136         * lra.c (lra_process_new_insns): If non-call exceptions are enabled,
4137         call copy_reg_eh_region_note_forward on before and/or after sequences
4138         and remove note from insn if it no longer can throw.
4140         PR target/69820
4141         * config/i386/sse.md (VI_512): Only include V64QImode and V32HImode
4142         if TARGET_AVX512BW.
4144 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4146         * config/s390/vector.md: Add missing commutative operand markers
4147         to the patterns which qualify for one.
4148         * config/s390/vx-builtins.md: Likewise.
4150 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4152         * config/s390/vector.md (VI, VI_QHS): Add single element vector
4153         types to mode iterators.
4154         (vec_double): ... and mode attribute.
4155         * config/s390/vx-builtins.md (non_vec_int): Likewise.
4157 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4159         * config/s390/vector.md ("<ti*>add<mode>3", "<ti*>sub<mode>3"):
4160         Change the predicate of op2 from nonimmediate to general and let
4161         reload fix it if necessary.
4163 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4165         * config/s390/vecintrin.h (vec_sub_u128): Define missing macro.
4167 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4169         * config/s390/s390.c (s390_expand_vcond): Use the compare operand
4170         mode.
4172 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4174         * config/s390/s390-protos.h: Add s390_expand_vec_movstr prototype.
4175         * config/s390/s390.c (s390_expand_vec_movstr): New function.
4176         * config/s390/s390.md ("movstr<P:mode>"): Call
4177         s390_expand_vec_movstr.
4179 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4181         * config/s390/s390.md: Add missing output modifier for operand 1
4182         to print it as address properly.
4184 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4186         * config/s390/2827.md: Rename ooo_* insn attributes to zEC12_*.
4187         * config/s390/2964.md: New file.
4188         * config/s390/s390.c (s390_get_sched_attrmask): Use the right set
4189         of insn grouping attributes depending on the CPU level.
4190         (s390_get_unit_mask): New function.
4191         (s390_sched_score): Remove the OOO from the scheduling macros.
4192         Add loop to calculate a score for the instruction mix.
4193         (s390_sched_reorder): Likewise plus improve debug output.
4194         (s390_sched_variable_issue): Rename macros as above.  Calculate
4195         the unit distances after actually scheduling an insn.  Improve
4196         debug output.
4197         (s390_sched_init): Clear last_scheduled_unit_distance array.
4198         * config/s390/s390.md: Include 2964.md.
4200 2016-02-18  Jakub Jelinek  <jakub@redhat.com>
4202         PR target/69671
4203         * config/i386/sse.md (*<floatsuffix>floatv2div2sf2_mask_1,
4204         *avx512vl_<code>v2div2qi2_mask_1, *avx512vl_<code><mode>v4qi2_mask_1,
4205         *avx512vl_<code><mode>v8qi2_mask_1, *avx512vl_<code><mode>v4hi2_mask_1,
4206         *avx512vl_<code>v2div2hi2_mask_1, *avx512vl_<code>v2div2si2_mask_1,
4207         *avx512f_<code>v8div16qi2_mask_1): New insns.
4209 2016-02-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
4211         PR target/68404
4212         * config/rs6000/predicates.md (fusion_gpr_addis): Revert
4213         2016-02-09 change.
4215         * config/rs6000/rs6000.md (fusion_gpr_load_<mode>): Remove
4216         earlyclobber from target.  Use wF constraint for fused memory
4217         address.
4218         (fusion_gpr_<P:mode>_<GPR_FUSION:mode>_load): Likewise.
4220 2016-02-18  Jakub Jelinek  <jakub@redhat.com>
4221             Martin Liska  <mliska@suse.cz>
4223         PR sanitizer/69863
4224         * cfgexpand.c (asan_sanitize_stack_p): New function.
4225         (partition_stack_vars): Use the function.
4226         (expand_stack_vars): Likewise.
4227         (defer_stack_allocation): Likewise.
4228         (expand_used_vars): Likewise.
4230 2016-02-18  Richard Biener  <rguenther@suse.de>
4232         PR middle-end/69553
4233         * fold-const.c (operand_equal_p): Properly compare offsets for
4234         IMAGPART_EXPR and ARRAY_REF.
4236 2016-02-18  Nick Clifton  <nickc@redhat.com>
4238         PR target/62254
4239         PR target/69610
4240         * config/arm/arm.c (arm_option_override_internal): Disable
4241         interworking if the target does not support thumb instructions.
4242         (arm_reload_in_hi): Handle the case where a register to register
4243         move needs reloading because there is no simple pattern to handle
4244         it.
4245         (arm_reload_out_hi): Likewise.
4247 2016-02-18  Richard Biener  <rguenther@suse.de>
4249         PR middle-end/69854
4250         * match.pd: Don't use fold_binary or fold_unary for folding
4251         constants.
4253 2016-02-17  Jakub Jelinek  <jakub@redhat.com>
4255         PR c++/69850
4256         * gimplify.c (gimplify_cond_expr): Call gimple_set_no_warning
4257         on the cond_stmt from TREE_NO_WARNING on COND_EXPR_COND.
4258         * gimple-ssa-nonnull-compare.c (do_warn_nonnull_compare): Don't
4259         warn on gimple_no_warning_p statements.
4261 2016-02-17  Jonathan Wakely  <jwakely@redhat.com>
4263         * doc/extend.texi (C++ Attributes): Correct description of
4264         warn_unused type attribute.
4266 2016-02-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4268         * config/rs6000/altivec.md (*altivec_lvxl_<mode>_internal): Output
4269         correct instruction.
4271 2016-02-17  Richard Biener  <rguenther@suse.de>
4273         PR rtl-optimization/69609
4274         * bb-reorder.c (struct bbro_basic_block_data): Add priority member.
4275         (find_traces_1_round): When ending a trace update cached priority
4276         of successors.
4277         (bb_to_key): Use cached priority when available.
4278         (copy_bb): Initialize cached priority.
4279         (reorder_basic_blocks_software_trace_cache): Likewise.
4281 2016-02-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4283         PR target/69161
4284         * config/aarch64/predicates.md (aarch64_comparison_operator_mode):
4285         New predicate.
4286         (aarch64_comparison_operator): Break overly long line into two.
4287         (aarch64_comparison_operation): Likewise.
4288         * config/aarch64/aarch64.md (cstorecc4): Use
4289         aarch64_comparison_operator_mode instead of
4290         aarch64_comparison_operator.
4291         (cstore<mode>4): Likewise.
4292         (aarch64_cstore<mode>): Likewise.
4293         (*cstoresi_insn_uxtw): Likewise.
4294         (cstore<mode>_neg): Likewise.
4295         (*cstoresi_neg_uxtw): Likewise.
4297 2016-02-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4299         PR target/69161
4300         * config/arm/predicates.md (arm_comparison_operator_mode):
4301         New predicate.
4302         * config/arm/arm.md (*mov_scc): Use arm_comparison_operator_mode
4303         instead of arm_comparison_operator.
4304         (*mov_negscc): Likewise.
4305         (*mov_notscc): Likewise.
4306         * config/arm/thumb2.md (*thumb2_mov_scc): Likewise.
4307         (*thumb2_mov_negscc): Likewise.
4308         (*thumb2_mov_negscc_strict_it): Likewise.
4309         (*thumb2_mov_notscc): Likewise.
4310         (*thumb2_mov_notscc_strict_it): Likewise.
4312 2016-02-17  Wilco Dijkstra  <wdijkstr@arm.com>
4314         * config/aarch64/aarch64.c (aarch64_internal_mov_immediate):
4315         Add missing return.
4317 2016-02-17  Eric Botcazou  <ebotcazou@adacore.com>
4319         * config/visium/visium.c (machine_libfunc_index): New enum.
4320         (machine_libfuncs): New structure.
4321         (visium_libfuncs): New static variable.
4322         (TARGET_INIT_LIBFUNCS): Define to...
4323         (visium_init_libfuncs): ...this.  New function.
4324         (expand_block_move_4): Use the appropriate libfunc.
4325         (expand_block_move_2): Likewise.
4326         (expand_block_move_1): Likewise.
4327         (expand_block_set_4): Likewise.
4328         (expand_block_set_2): Likewise.
4329         (expand_block_set_1): Likewise.
4330         (visium_trampoline_init): Likewise.
4332 2016-02-17  Nick Clifton  <nickc@redhat.com>
4334         * config/msp430/msp430.c (msp430_mcu_data): Sync with data from
4335         TI's devices.csv file as of March 2016.
4337 2016-02-16  Kelvin Nilsen  <kelvin@gcc.gnu.org>
4339         PR Target/48344
4340         * opts-global.c (handle_common_deferred_options): Introduce and
4341         initialize two global variables to remember command-line options
4342         specifying a stack-limiting register.
4343         * opts.h: Add extern declarations of the two new global variables.
4344         * emit-rtl.c (init_emit_once): Initialize the stack_limit_rtx
4345         variable based on the values of the two new global variables.
4347 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
4349         PR c/69835
4350         * common.opt (Wnonnull-compare): New warning.
4351         * doc/invoke.texi (-Wnonnull): Remove text about comparison
4352         of arguments against NULL.
4353         (-Wnonnull-compare): Document.
4354         * Makefile.in (OBJS): Add gimple-ssa-nonnull-compare.o.
4355         * tree-pass.h (make_pass_warn_nonnull_compare): Declare.
4356         * passes.def (pass_warn_nonnull_compare): Add.
4357         * gimple-ssa-nonnull-compare.c: New file.
4359 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
4361         * config/aarch64/aarch64.c (cortexa57_tunings): Remove
4362         AARCH64_EXTRA_TUNE_RECIP_SQRT.
4364 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
4366         * config/aarch64/aarch64.c (use_rsqrt_p): Always use software
4367         reciprocal sqrt for -mlow-precision-recip-sqrt.
4369 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
4370             Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
4372         * config/aarch64/aarch64.c (aarch64_expand_vector_init): Refactor,
4373         always use lane loads to construct non-constant vectors.
4375 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
4377         * config/aarch64/aarch64.md
4378         (arch64_sqrdml<SQRDMLH_AS:rdma_as>h_lane<mode>): Fix register
4379         constraints for operand 3.
4380         (aarch64_sqrdml<SQRDMLH_AS:rdma_as>h_laneq<mode>): Likewise.
4382 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
4383             Richard Biener  <rguenther@suse.de>
4385         PR tree-optimization/69820
4386         * tree-vect-patterns.c (type_conversion_p): Return false if
4387         *orig_type is unsigned single precision or boolean.
4388         (vect_recog_dot_prod_pattern, vect_recog_widen_mult_pattern):
4389         Formatting fix.
4391 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
4393         PR rtl-optimization/69764
4394         PR rtl-optimization/69771
4395         * optabs.c (expand_binop): Ensure for shift optabs invalid CONST_INT
4396         op1 is valid for GET_MODE_INNER (mode) and force it into a reg.
4398 2016-02-16  Richard Biener  <rguenther@suse.de>
4400         PR tree-optimization/69776
4401         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Get alias
4402         sets from caller.
4403         (indirect_refs_may_alias_p): Likewise.
4404         (refs_may_alias_p_1): Pass alias sets as from ao_ref.
4405         * tree-ssa-sccvn.c (vn_reference_lookup): Also adjust vr alias-set
4406         according to tbaa_p.
4407         * tree-ssa-dom.c (lookup_avail_expr): Add tbaa_p flag.
4408         (optimize_stmt): For redundant store discovery do not allow tbaa.
4410 2016-02-16  Bernd Schmidt  <bschmidt@redhat.com>
4412         PR tree-optimization/69714
4413         * tree-ssa-math-opts.c (find_bswap_or_nop): Revert previous change.
4414         Return NULL if we have irrelevant high bytes on BIG_ENDIAN.
4416 2016-02-16  Claudiu Zissulescu  <claziss@synopsys.com>
4418         * config/arc/arc-modes.def (CC_FPU, CC_FPU_UNEQ): New modes.
4419         * config/arc/arc-opts.h (FPU_SP, FPU_SF, FPU_SC, FPU_SD, FPU_DP)
4420         (FPU_DF, FPU_DC, FPU_DD, FXP_DP): Define.
4421         * config/arc/arc.c (arc_init): Check FPU options.
4422         (get_arc_condition_code): Handle new CC_FPU* modes.
4423         (arc_select_cc_mode): Likewise.
4424         (arc_conditional_register_usage): Allow 64 bit datum into even-odd
4425         register pair only. Allow access for ARCv2 accumulator.
4426         (gen_compare_reg): Whenever we have FPU support use FPU compare
4427         instructions.
4428         (arc_reorg): Don't generate brcc insns when FPU compare
4429         instructions are involved.
4430         * config/arc/arc.h (TARGET_DPFP): Add TARGET_FP_DPAX condition.
4431         (TARGET_OPTFPE): Add condition when ARC EM can use optimized
4432         floating point emulation.
4433         (ACC_REG_FIRST, ACC_REG_LAST, ACCL_REGNO, ACCH_REGNO): Define.
4434         (REVERSE_CONDITION): Add new CC_FPU* modes.
4435         (TARGET_FP_SP_BASE): Define.
4436         (TARGET_FP_DP_BASE): Likewise.
4437         (TARGET_FP_SP_FUSED): Likewise.
4438         (TARGET_FP_DP_FUSED): Likewise.
4439         (TARGET_FP_SP_CONV): Likewise.
4440         (TARGET_FP_DP_CONV): Likewise.
4441         (TARGET_FP_SP_SQRT): Likewise.
4442         (TARGET_FP_DP_SQRT): Likewise.
4443         (TARGET_FP_DP_AX): Likewise.
4444         * config/arc/arc.md (ARCV2_ACC): New constant.
4445         (type): New fpu type attribute.
4446         (SDF): Conditional iterator.
4447         (cstore<mode>, cbranch<mode>): Change expand condition.
4448         (addsf3, subsf3, mulsf3, adddf3, subdf3, muldf3): New expands,
4449         handles FPU/FPX cases as well.
4450         * config/arc/arc.opt (mfpu): New option.
4451         * config/arc/fpx.md (addsf3_fpx, subsf3_fpx, mulsf3_fpx):
4452         Renamed.
4453         (adddf3, muldf3, subdf3): Removed.
4454         * config/arc/predicates.md (proper_comparison_operator): Recognize
4455         CC_FPU* modes.
4456         * config/arc/fpu.md: New file.
4457         * doc/invoke.texi (ARC Options): Document mfpu option.
4459 2016-02-16  Richard Biener  <rguenther@suse.de>
4461         PR rtl-optimization/69291
4462         * ifcvt.c (noce_try_store_flag_constants): Re-instantiate
4463         noce_operand_ok check.
4465 2016-02-16  Tom de Vries  <tom@codesourcery.com>
4467         PR lto/67709
4468         * omp-low.c (simd_clone_create): Remove call to
4469         symtab->call_cgraph_insertion_hooks.
4471 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
4473         PR tree-optimization/69802
4474         * tree-ssa-reassoc.c (update_range_test): If op is
4475         SSA_NAME_IS_DEFAULT_DEF, give up unless tem is a positive
4476         op == 1 test of precision 1 integral op, otherwise handle
4477         that case as op itself.  Fix up formatting.
4478         (optimize_range_tests_to_bit_test, optimize_range_tests): Fix
4479         up formatting.
4481 2016-02-16  Richard Biener  <rguenther@suse.de>
4483         PR tree-optimization/69586
4484         * tree-vrp.c (register_edge_assert_for_2): Handle all integral
4485         types for conversion sources.
4487 2016-02-16  Richard Biener  <rguenther@suse.de>
4489         PR middle-end/69801
4490         * fold-const.c (operand_equal_p): For COND_EXPR zero operand
4491         mask OEP_ADDRESS_OF.
4493 2016-02-16  Alan Modra  <amodra@gmail.com>
4495         PR target/68973
4496         * config/rs6000/rs6000.md (reload_vsx_from_gprsf): Rewrite splitter.
4497         (p8_mtvsrd_df, p8_mtvsrd_sf): New.
4498         (p8_mtvsrd_1, p8_mtvsrd_2): Delete.
4499         (p8_mtvsrwz): New.
4500         (p8_mtvsrwz_1, p8_mtvsrwz_2): Delete.
4501         (p8_xxpermdi_<mode>): Take two DF inputs rather than one TF.
4502         (p8_fmrgow_<mode>): Likewise.
4503         (reload_vsx_from_gpr<mode>): Make clobber IF.  Adjust for above
4504         changes.
4505         (reload_fpr_from_gpr<mode>): Similarly. Use "d" for op0 constraint.
4506         (reload_vsx_from_gprsf): Use p8_mtvsrd_sf rather than attempting
4507         to use movdi_internal64.  Remove op0_di.
4508         * config/rs6000/vsx.md (vsx_xscvspdpn_directmove): Make op1 SFmode.
4510 2016-02-15  Evandro Menezes  <e.menezes@samsung.com>
4512         Add support for the FCCMP insn types
4514         * config/aarch64/aarch64.md (fccmp): Change insn type.
4515         (fccmpe): Likewise.
4516         * config/aarch64/thunderx.md (thunderx_fcmp): Add "fccmp{s,d}" types.
4517         * config/arm/cortex-a53.md (cortex_a53_fpalu): Likewise.
4518         * config/arm/cortex-a57.md (cortex_a57_fp_cmp): Likewise.
4519         * config/arm/xgene1.md (xgene1_fcmp): Likewise.
4520         * config/arm/exynos-m1.md (exynos_m1_fp_ccmp): New insn reservation.
4521         * config/arm/types.md (fccmps): Add new insn type.
4522         (fccmpd): Likewise.
4524 2016-02-15  Bernd Edlinger  <bernd.edlinger@hotmail.de>
4526         * alias.c (get_alias_set): Fix a typo in comment.
4528 2016-02-15  Richard Biener  <rguenther@suse.de>
4530         PR tree-optimization/69595
4531         * match.pd: Complete range test simplification to true.
4533 2016-02-15  Bernd Schmidt  <bschmidt@redhat.com>
4535         PR rtl-optimization/69648
4536         * lra-constraints.c (update_ebb_live_info): Don't remove sets of
4537         pic_offset_table_rtx.
4539         PR rtl-optimization/69752
4540         * ira.c (update_equiv_regs): When looking for more than a single SET,
4541         also take other side effects into account.
4543 2016-02-15  Marcin Kościelnicki  <koriakin@0x04.net>
4545         * config/s390/s390.c (s390_function_profiler): Add a new sequence
4546         for z900+ CPUs in 31-bit mode.
4548 2016-02-15  Marcin Kościelnicki  <koriakin@0x04.net>
4550         * common/config/s390/s390-common.c (s390_supports_split_stack):
4551         New function.
4552         (TARGET_SUPPORTS_SPLIT_STACK): New macro.
4553         * config/s390/s390-protos.h: Add s390_expand_split_stack_prologue.
4554         * config/s390/s390.c (struct machine_function): New field
4555         split_stack_varargs_pointer.
4556         (s390_register_info): Mark r12 as clobbered if it'll be used as temp
4557         in s390_emit_prologue.
4558         (s390_emit_prologue): Use r12 as temp if r1 is taken by split-stack
4559         vararg pointer.
4560         (morestack_ref): New global.
4561         (SPLIT_STACK_AVAILABLE): New macro.
4562         (s390_expand_split_stack_prologue): New function.
4563         (s390_live_on_entry): New function.
4564         (s390_va_start): Use split-stack vararg pointer if appropriate.
4565         (s390_asm_file_end): Emit the split-stack note sections.
4566         (TARGET_EXTRA_LIVE_ON_ENTRY): New macro.
4567         * config/s390/s390.md (UNSPEC_STACK_CHECK): New unspec.
4568         (UNSPECV_SPLIT_STACK_CALL): New unspec.
4569         (UNSPECV_SPLIT_STACK_DATA): New unspec.
4570         (split_stack_prologue): New expand.
4571         (split_stack_space_check): New expand.
4572         (split_stack_data): New insn.
4573         (split_stack_call): New expand.
4574         (split_stack_call_*): New insn.
4575         (split_stack_cond_call): New expand.
4576         (split_stack_cond_call_*): New insn.
4578 2016-02-15  Richard Biener  <rguenther@suse.de>
4580         PR tree-optimization/69783
4581         * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
4582         Add trivially correct cases.
4584 2016-02-15  Tom de Vries  <tom@codesourcery.com>
4586         PR lto/69655
4587         * lto-cgraph.c (input_offload_tables): Add and handle bool parameter
4588         do_force_output.
4589         * lto-streamer.h (input_offload_tables): Add and handle bool parameter.
4591 2016-02-15  Richard Biener  <rguenther@suse.de>
4593         PR tree-optimization/69776
4594         * tree-ssa-sccvn.h (vn_reference_lookup): Adjust prototype.
4595         * tree-ssa-sccvn.c (vn_reference_lookup): Add parameter to
4596         indicate whether we can use TBAA to disambiguate against stores.
4597         Use alias-set zero if not.
4598         (visit_reference_op_store): Do not use TBAA when looking up
4599         redundant stores.
4600         * tree-ssa-pre.c (compute_avail): Use TBAA here.
4601         (eliminate_dom_walker::before_dom_children): But not when looking
4602         up redundant stores.
4604 2016-02-14  John David Anglin  <danglin@gcc.gnu.org>
4606         * config/pa/pa.md (absqi2, absghi2, bswaphi2, bswapsi2, bswapdi2): New.
4608 2016-02-14  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
4610         *  config/i386/znver1.md
4611         (znver1_pop, znver1_pop_mem,
4612         znver1_load_imov_double_store,
4613         znver1_load_imov_direct_store,
4614         znver1_load_imov_direct_load,
4615         znver1_load_imov_double_load): Add new.
4616         (znver1_insn, znver1_insn_load): Add icmov type.
4617         (znver1_sseavx_fma,
4618         znver1_sseavx_fma_load,
4619         znver1_avx256_fma,
4620         znver1_avx256_fma_load): Fix pipe usage.
4622 2016-02-14  Alan Modra  <amodra@gmail.com>
4624         PR target/68973
4625         * reloads.c (find_reloads_address_1): For pre/post-inc/dec
4626         with an invalid hard reg, reload just the reg not the entire
4627         pre/post-inc/dec address expression.
4629 2016-02-13  Oleg Endo  <olegendo@gcc.gnu.org>
4631         PR target/67260
4632         * config/sh/sh.md (sibcall_value_pcrel): Replace =&k scratch reg with
4633         fixed R1_REG scratch reg.
4634         (sibcall_value_pcrel_fdpic): Likewise.
4636 2016-02-13  Oleg Endo  <olegendo@gcc.gnu.org>
4638         PR target/67636
4639         PR target/64345
4640         * config/sh/sh.md (*zero_extract_3): New insn_and_split pattern.
4642 2016-02-12  Walter Lee  <walt@tilera.com>
4644         * config/tilepro/t-tilepro: Replace CC_FOR_BUILD with CXX_FOR_BUILD.
4645         * config/tilegx/t-tilegx: Likewise.
4647 2016-02-12  David Malcolm  <dmalcolm@redhat.com>
4649         PR other/69554
4650         * diagnostic-show-locus.c (struct line_span): New struct.
4651         (layout::get_first_line): Delete.
4652         (layout::get_last_line): Delete.
4653         (layout::get_num_line_spans): New member function.
4654         (layout::get_line_span): Likewise.
4655         (layout::print_heading_for_line_span_index_p): Likewise.
4656         (layout::get_expanded_location): Likewise.
4657         (layout::calculate_line_spans): Likewise.
4658         (layout::m_first_line): Delete.
4659         (layout::m_last_line): Delete.
4660         (layout::m_line_spans): New field.
4661         (layout::layout): Update comment.  Replace m_first_line and
4662         m_last_line with m_line_spans, replacing their initialization
4663         with a call to calculate_line_spans.
4664         (diagnostic_show_locus): When printing source lines and
4665         annotations, rather than looping over a single span
4666         of lines, instead loop over each line_span within
4667         the layout, with an inner loop over the lines within them.
4668         Call the context's start_span callback when changing line spans.
4669         * diagnostic.c (diagnostic_initialize): Initialize start_span.
4670         (diagnostic_build_prefix): Break out the building of the location
4671         part of the string into...
4672         (diagnostic_get_location_text): ...this new function, rewriting
4673         it from nested ternary expressions to a sequence of "if"
4674         statements.
4675         (default_diagnostic_start_span_fn): New function.
4676         * diagnostic.h (diagnostic_start_span_fn): New typedef.
4677         (diagnostic_context::start_span): New field.
4678         (default_diagnostic_start_span_fn): New prototype.
4680 2016-02-12  David Malcolm  <dmalcolm@redhat.com>
4682         PR driver/69779
4683         * gcc.c (driver::finalize): Fix cleanup of "specs".
4685 2016-02-12  David Malcolm  <dmalcolm@redhat.com>
4687         PR driver/69265
4688         PR driver/69453
4689         * gcc.c (driver::driver): Initialize m_option_suggestions.
4690         (driver::~driver): Clean up m_option_suggestions.
4691         (suggest_option): Convert to...
4692         (driver::suggest_option): ...this, and split out into
4693         driver::build_option_suggestions and find_closest_string.
4694         (driver::build_option_suggestions): New function, from
4695         first half of suggest_option.  Special-case
4696         OPT_fsanitize_ and OPT_fsanitize_recover_, making use of
4697         the sanitizer_opts array.  For options of enum types, add the
4698         various enum values to the candidate strings.
4699         (driver::handle_unrecognized_options): Remove "const".
4700         * gcc.h (driver::handle_unrecognized_options): Likewise.
4701         (driver::build_option_suggestions): New decl.
4702         (driver::suggest_option): New decl.
4703         (driver::m_option_suggestions): New field.
4704         * opts-common.c (add_misspelling_candidates): New function.
4705         * opts.c (sanitizer_opts): Remove decl of struct sanitizer_opts_s
4706         and make non-static.
4707         * opts.h (sanitizer_opts): New array decl.
4708         (add_misspelling_candidates): New function decl.
4709         * spellcheck.c (find_closest_string): New function.
4710         * spellcheck.h (find_closest_string): New function decl.
4712 2016-02-12  Jakub Jelinek  <jakub@redhat.com>
4714         PR rtl-optimization/69764
4715         PR rtl-optimization/69771
4716         * optabs.c (expand_binop_directly): For shift_optab_p, force
4717         convert_modes with VOIDmode if xop1 has VOIDmode.
4719 2016-02-12  Ilya Enkovich  <enkovich.gnu@gmail.com>
4721         PR target/69729
4722         * lto-streamer-out.c (lto_output): Use thunk.add_pointer_bounds_args
4723         to correctly determine instrumentation thunks.
4725 2016-02-12  Jakub Jelinek  <jakub@redhat.com>
4727         PR ipa/69241
4728         * ipa-split.c (split_function): If split part returns TREE_ADDRESSABLE
4729         type by reference, force lhs on the call.
4731         PR ipa/68672
4732         * ipa-split.c (split_function): Don't compute/use main_part_return_p.
4733         Compute retval and retbnd early in all cases if split_part_return_p
4734         and return_bb is not EXIT.  Remove all clobber stmts and reset
4735         all debug stmts that refer to SSA_NAMEs defined in split part,
4736         except if it is retval, in that case replace the old retval with the
4737         lhs of the call to the split part.
4739 2016-02-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
4741         revert:
4742         2016-02-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
4744         PR middle-end/66726
4745         * tree-ssa-reassoc.c (optimize_range_tests): Handle tcc_compare stmt
4746         whose result is used in PHI.
4747         (maybe_optimize_range_tests): Likewise.
4748         (final_range_test_p): Likweise.
4750 2016-02-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
4752         PR middle-end/66726
4753         * tree-ssa-reassoc.c (optimize_range_tests): Handle tcc_compare stmt
4754         whose result is used in PHI.
4755         (maybe_optimize_range_tests): Likewise.
4756         (final_range_test_p): Likweise.
4758 2016-02-12  Jakub Jelinek  <jakub@redhat.com>
4760         * cgraph.c: Spelling fixes - behaviour -> behavior and
4761         neighbour -> neighbor.
4762         * target.def: Likewise.
4763         * sel-sched.c: Likewise.
4764         * config/mips/mips.c: Likewise.
4765         * config/arc/arc.md: Likewise.
4766         * config/arm/cortex-a57.md: Likewise.
4767         * config/arm/arm.c: Likewise.
4768         * config/arm/neon.md: Likewise.
4769         * config/arm/arm-c.c: Likewise.
4770         * config/vms/vms-c.c: Likewise.
4771         * config/s390/s390.c: Likewise.
4772         * config/i386/znver1.md: Likewise.
4773         * config/i386/i386.c: Likewise.
4774         * config/ia64/hpux-unix2003.h: Likewise.
4775         * config/msp430/msp430.md: Likewise.
4776         * config/rx/rx.c: Likewise.
4777         * config/rx/rx.md: Likewise.
4778         * config/aarch64/aarch64-simd.md: Likewise.
4779         * config/aarch64/aarch64.c: Likewise.
4780         * config/nvptx/nvptx.c: Likewise.
4781         * config/bfin/bfin.c: Likewise.
4782         * config/cris/cris.opt: Likewise.
4783         * config/rs6000/rs6000.c: Likewise.
4784         * target.h: Likewise.
4785         * spellcheck.c: Likewise.
4786         * ira-build.c: Likewise.
4787         * tree-inline.c: Likewise.
4788         * builtins.c: Likewise.
4789         * lra-constraints.c: Likewise.
4790         * explow.c: Likewise.
4791         * hwint.h: Likewise.
4792         * targhooks.c: Likewise.
4793         * tree-vect-data-refs.c: Likewise.
4794         * expr.c: Likewise.
4795         * doc/tm.texi: Likewise.
4796         * doc/extend.texi: Likewise.
4797         * doc/install.texi: Likewise.
4798         * doc/md.texi: Likewise.
4799         * tree-ssa-tail-merge.c: Likewise.
4800         * sched-int.h: Likewise.
4801         * match.pd: Likewise.
4802         * sched-ebb.c: Likewise.
4803         * target.def (omit_struct_return_reg): Likewise.
4804         * gimple-ssa-isolate-paths.c: Likewise.
4805         (find_implicit_erroneous_behaviour): Renamed to...
4806         (find_implicit_erroneous_behavior): ... this.
4807         (find_explicit_erroneous_behaviour): Renamed to...
4808         (find_explicit_erroneous_behavior): ... this.
4809         (gimple_ssa_isolate_erroneous_paths): Adjust caller.
4811 2016-02-11  Segher Boessenkool  <segher@kernel.crashing.org>
4813         PR rtl-optimization/64682
4814         PR rtl-optimization/69567
4815         PR rtl-optimization/69737
4816         * combine.c (distribute_notes) <REG_DEAD>: If the register is set
4817         in I2 as well, just lose it.
4819 2016-02-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4821         * config/aarch64/aarch64.c (aarch64_last_printed_arch_string):
4822         New variable.
4823         (aarch64_last_printed_tune_string): Likewise.
4824         (aarch64_declare_function_name): Only output .arch assembler
4825         directive if it will be different from the previously output
4826         directive.  Same for .tune comment but only if -dA is set.
4827         (aarch64_start_file): New function.
4828         (TARGET_ASM_FILE_START): Define.
4830 2016-02-11  David Malcolm  <dmalcolm@redhat.com>
4832         PR plugins/69758
4833         * Makefile.in (PLUGIN_HEADERS): Add params.list.
4835 2016-02-11  Jakub Jelinek  <jakub@redhat.com>
4837         PR target/65313
4838         * tree-vect-slp.c (vect_schedule_slp_instance): Avoid
4839         -Wmaybe-uninitialized warning.
4841 2016-02-11  Oleg Endo  <olegendo@gcc.gnu.org>
4843         PR target/69713
4844         * config/sh/sh.md (casesi_worker_0): Add T_REG use.
4846 2016-02-11  Richard Biener  <rguenther@suse.de>
4848         PR rtl-optimization/69291
4849         * ifcvt.c (noce_try_store_flag_constants): Do not allow
4850         subexpressions affected by changing the result.
4852 2016-02-10  Vladimir Makarov  <vmakarov@redhat.com>
4854         PR target/69148
4855         * lra-constraints.c (curr_insn_transform): Find in/out operands
4856         for secondary memory moves.  Update dups.
4858 2016-02-10  Yuri Rumyantsev  <ysrumyan@gmail.com>
4860         PR tree-optimization/69652
4861         * tree-vect-loop.c (optimize_mask_stores): Move declaration of STMT1
4862         to nested loop, did source re-formatting, skip debug statements,
4863         add check on statement with volatile operand, remove dead scalar
4864         statements.
4866 2016-02-10  Jakub Jelinek  <jakub@redhat.com>
4867             Patrick Palka  <ppalka@gcc.gnu.org>
4869         PR ipa/69241
4870         PR c++/69649
4871         * gimplify.c (gimplify_modify_expr): Set lhs even for noreturn
4872         calls if the return type is TREE_ADDRESSABLE.
4873         * cgraphunit.c (cgraph_node::expand_thunk): Likewise.
4874         * ipa-split.c (split_function): Fix doubled "we" in comment.
4875         Use void return type for the split part even if
4876         !split_point->split_part_set_retval.
4878 2016-02-10  Bin Cheng  <bin.cheng@arm.com>
4880         PR tree-optimization/68021
4881         * tree-ssa-loop-ivopts.c (get_computation_aff): Set ratio to 1 if
4882         when computing the value of biv cand by itself.
4884 2016-02-10  Wilco Dijkstra  <wdijkstr@arm.com>
4886         * config/aarch64/aarch64.c (cortexa53_tunings): Enable AES fusion.
4887         (cortexa57_tunings): Likewise.
4888         (cortexa72_tunings): Likewise.
4889         (arch_macro_fusion_pair_p): Add support for AES fusion.
4890         * config/aarch64/aarch64-fusion-pairs.def: Add AES_AESMC entry.
4891         * config/arm/aarch-common.c (aarch_crypto_can_dual_issue):
4892         Allow virtual registers before reload so early scheduling works.
4893         * config/arm/cortex-a57.md (cortex_a57_crypto_simple): Use
4894         correct latency and pipeline.
4895         (cortex_a57_crypto_complex): Likewise.
4896         (cortex_a57_crypto_xor): Likewise.
4897         (define_bypass): Add AES bypass.
4899 2016-02-10  Richard Biener  <rguenther@suse.de>
4901         PR tree-optimization/69726
4902         * passes.def: Add DCE pass before late uninit.
4903         * match.pd: Add A ? B : (!A ? C : X) -> A ? B : C patterns to
4904         really fixup if-conversions job.
4906 2016-02-10  Wilco Dijkstra  <wdijkstr@arm.com>
4908         * config/arm/arm.c (arm_cortex_a53_tune): Enable AES fusion.
4909         (arm_cortex_a57_tune): Likewise.
4910         (aarch_macro_fusion_pair_p): Add support for AES fusion.
4911         * config/arm/arm-protos.h (fuse_ops): Add FUSE_AES_AESMC.
4913 2016-02-10  Eric Botcazou  <ebotcazou@adacore.com>
4915         * timevar.def (TV_PHASE_DBGINFO): Delete.
4916         (TV_PHASE_CHECK_DBGINFO): Likewise.
4917         * varpool.c (varpool_node::assemble_decl): Do not change timevar.
4919 2016-02-10  Richard Biener  <rguenther@suse.de>
4921         PR tree-optimization/69719
4922         * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
4923         Adjust previous fix by ensuring that dr_a1 is left of dr_a2.
4925 2016-02-09  Andrew Pinski  <apinski@cavium.com>
4927         PR tree-opt/69282
4928         * optabs-tree.c (expand_vec_cond_expr_p): Don't early return if
4929         get_vcond_mask_icode returns false.
4931 2016-02-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
4933         PR target/68404
4934         * config/rs6000/predicates.md (fusion_gpr_addis): Prevent fusing
4935         an ADDIS that adds a pointer to a large constant that sets the
4936         upper16 bits with a load operation.
4938 2016-02-09  Charles Baylis  <charles.baylis@linaro.org>
4940         PR target/68532
4941         * config/arm/arm.c (arm_evpc_neon_vzip): Allow for big endian lane
4942         order.
4943         * config/arm/arm_neon.h (vzipq_s8): Adjust shuffle patterns for big
4944         endian.
4945         (vzipq_s16): Likewise.
4946         (vzipq_s32): Likewise.
4947         (vzipq_f32): Likewise.
4948         (vzipq_u8): Likewise.
4949         (vzipq_u16): Likewise.
4950         (vzipq_u32): Likewise.
4951         (vzipq_p8): Likewise.
4952         (vzipq_p16): Likewise.
4954 2016-02-09  Charles Baylis  <charles.baylis@linaro.org>
4956         PR target/68532
4957         * config/arm/arm.c (neon_endian_lane_map): New function.
4958         (neon_vector_pair_endian_lane_map): New function.
4959         (arm_evpc_neon_vuzp): Allow for big endian lane order.
4960         * config/arm/arm_neon.h (vuzpq_s8): Adjust shuffle patterns for big
4961         endian.
4962         (vuzpq_s16): Likewise.
4963         (vuzpq_s32): Likewise.
4964         (vuzpq_f32): Likewise.
4965         (vuzpq_u8): Likewise.
4966         (vuzpq_u16): Likewise.
4967         (vuzpq_u32): Likewise.
4968         (vuzpq_p8): Likewise.
4969         (vuzpq_p16): Likewise.
4971 2016-02-11  Alexandre Oliva  <aoliva@redhat.com>
4973         PR target/69634
4974         * regstat.c (regstat_bb_compute_calls_crossed): Disregard
4975         debug insns.
4977 2016-02-09  Uros Bizjak  <ubizjak@gmail.com>
4979         * config/i386/i386.md (insv<mode>_1): Use gen_int_mode to
4980         truncate const_int operand 1 to QImode.
4982 2016-02-09  Eric Botcazou  <ebotcazou@adacore.com>
4984         * gimple-ssa-backprop.c (optimize_phi): Do not replace an argument
4985         corresponding to an abnormal edge.
4987 2016-02-09  Tom de Vries  <tom@codesourcery.com>
4989         PR tree-optimization/69599
4990         * tree-ssa-structalias.c (fndecl_maybe_in_other_partition): New
4991         function.
4992         (find_func_aliases_for_builtin_call, find_func_clobbers)
4993         (ipa_pta_execute):  Handle case that foo and foo._0 are not in same lto
4994         partition.
4996 2016-02-09  Richard Biener  <rguenther@suse.de>
4998         PR tree-optimization/69715
4999         * tree-ssa.c (execute_update_addresses_taken): Mark non-decl
5000         LHS on calls as non-rewritable.
5002 2016-02-09  Tom de Vries  <tom@codesourcery.com>
5004         PR lto/69707
5005         * lto-wrapper.c (append_diag_options): New function.
5006         (compile_offload_image): Call append_diag_options.
5008 2016-02-08  Sandra Loosemore  <sandra@codesourcery.com>
5010         PR other/69722
5011         * doc/extend.texi (Flag Output Operands): Correct sectioning.
5012         Minor copy-edit to fix verb tenses.
5014 2016-02-08  Jakub Jelinek  <jakub@redhat.com>
5016         PR tree-optimization/69209
5017         * ipa-split.c (split_function): If split part is not
5018         returning retval, retval has gimple type but is not
5019         gimple value, force it into a SSA_NAME first.
5021 2016-02-08  Nicklas Bo Jensen  <nbjensen@gmail.com>
5023         * doc/tree-ssa.texi (Preserving the virtual SSA form): Remove
5024         outdated section.
5026 2016-02-08  Jason Merrill  <jason@redhat.com>
5028         PR c++/69631
5029         * convert.c (convert_to_integer_1): Check dofold on truncation
5030         distribution.
5031         (convert_to_pointer_maybe_fold, convert_to_real_maybe_fold)
5032         (convert_to_integer_maybe_fold, convert_to_complex_maybe_fold):
5033         Rename from *_nofold.
5034         * convert.h (convert_to_pointer_nofold, convert_to_integer_nofold)
5035         (convert_to_real_nofold, convert_to_complex_nofold): New inlines.
5037 2016-02-08  Bernd Schmidt  <bschmidt@redhat.com>
5039         PR target/60410
5040         * tree.c (build_common_tree_nodes): Remove short_double argument.
5041         All callers changed.
5042         * tree.h (build_common_tree_nodes): Adjust declaration.
5043         * doc/invoke.texi (-fshort-double): Remove documentation.
5044         * config/mips/t-img-elf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
5045         MULTILIB_EXCEPTIONS): Remove -fshort-double variant.
5046         * lto-wrapper.c (merge_and_complain, append_compiler_options)
5047         (append_linker_options): Don't handle OPT_fshort_double.
5049         PR rtl-optimization/68730
5050         * lra-remat.c (insn_to_cand_activation): New static variable.
5051         (lra_remat): Allocate and free it.
5052         (create_cand): New arg activation. Initialize a field in
5053         insn_to_cand_activation if it is nonnull.
5054         (create_cands): Pass the activation insn to create_cand when making
5055         a candidate involving an output reload.  Reorganize code a little.
5056         (do_remat): Keep track of active status of candidates in a separate
5057         bitmap.
5059 2016-02-08  Richard Biener  <rguenther@suse.de>
5061         PR tree-optimization/69719
5062         * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
5063         Properly use absolute of the difference of the two offsets to
5064         compare or adjust the segment length.
5066 2016-02-08  Richard Biener  <rguenther@suse.de>
5067             Jeff Law  <law@redhat.com>
5069         PR target/68273
5070         * tree-ssanames.c (make_ssa_name_fn): Always use unqualified
5071         types for anonymous SSA names.
5073 2016-02-08   Richard Biener  <rguenther@suse.de>
5075         PR rtl-optimization/69274
5076         * ira.c (ira_setup_alts): Do not change recog_data.operand order.
5078 2016-02-08  Jeff Law  <law@redhat.com>
5080         PR tree-optimization/65917
5081         * tree-ssa-dom.c (record_temporary_equivalences): Record both
5082         equivalences from if (x == y) style conditionals.
5083         (loop_depth_of_name): Remove.
5084         (record_equality): Remove loop depth check.
5085         * tree-ssa-scopedtables.h (const_and_copies): Refine comments.
5086         (const_and_copies::record_const_or_copy_raw): New member function.
5087         * tree-ssa-scopedtables.c
5088         (const_and_copies::record_const_or_copy_raw): New, factored out of
5089         (const_and_copies::record_const_or_copy): Call new member function.
5091 2016-02-05  Jeff Law  <law@redhat.com>
5093         PR tree-optimization/68541
5094         * gimple-ssa-split-paths.c: Include tree-cfg.h and params.h.
5095         (count_stmts_in_block): New function.
5096         (poor_ifcvt_candidate_code): Likewise.
5097         (is_feasible_trace): Add some heuristics to determine when path
5098         splitting is profitable.
5099         (find_block_to_duplicate_for_splitting_paths): Make sure the graph
5100         is a diamond with a single exit.
5102 2016-02-05  Martin Sebor  <msebor@redhat.com>
5104         PR c++/69662
5105         * doc/invoke.texi: Update -Wplacement-new to take an optional
5106         argument.
5108 2016-02-06  Richard Henderson  <rth@redhat.com>
5110         PR c/69643
5111         * tree.c (tree_nop_conversion_p): Do not strip casts into or
5112         out of non-standard address spaces.
5114 2016-02-05  Jakub Jelinek  <jakub@redhat.com>
5116         PR rtl-optimization/69691
5117         * lra-eliminations.c (move_plus_up): Don't add the addend twice.
5119 2016-02-05  Pat Haugen  <pthaugen@us.ibm.com>
5121         * config/rs6000/crypto.md (crypto_vpermxor_<mode>): Correct insn type.
5122         * config/rs6000/rs6000.md (mov<mode>_hardfloat): Likewise.
5123         (*ieee128_mfvsrd_64bit): Likewise.
5124         (*ieee128_mfvsrd_32bit): Likewise.
5126 2016-02-05  Ilya Enkovich  <enkovich.gnu@gmail.com>
5128         PR target/69369
5129         Revert r232560:
5130         2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
5132         * cgraphunit.c (cgraph_node::reset): Clear thunk info and
5133         instrumented_version.
5135 2016-01-05  Jeremy Bennett  <jeremy.bennett@embecosm.com>
5137         * doc/invoke.texi (Optimize Options): In table of --param options
5138         rename second occurrence of tracer-min-branch-ratio to
5139         tracer-min-branch-probability, rename
5140         tracer-min-branch-ratio-feedback to
5141         tracer-min-branch-probability-feedback and clarify description,
5142         rename sched-spec-state-edge-prob-cutoff to
5143         sched-state-edge-prob-cutoff, rename selsched-max-insns-to-rename
5144         to selsched-insns-to-rename, rename lto-minpartition to
5145         lto-min-partition, delete reorder-blocks-duplicate and
5146         reorder-blocks-duplicate-feedback.
5148 2016-02-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
5150         * config/s390/s390.c (s390_register_info_set_ranges): Remove
5151         superfluous loops.
5153 2016-02-05  Dominik Vogt  <vogt@linux.vnet.ibm.com>
5155         * doc/extend.texi: S/390: Correct some typos.
5157 2016-02-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
5159         * config/s390/s390.c (s390_emit_call): Add missing 64 bit check.
5161 2016-02-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
5163         PR target/69625
5164         * config/s390/s390.c (SAVE_SLOT_NONE, SAVE_SLOT_STACK): New defines.
5165         (s390_register_info_gprtofpr): Use new macros above.
5166         (s390_register_info_stdarg_fpr): Adjust max_fpr to better match
5167         its name.
5168         (s390_register_info_stdarg_gpr): Adjust max_gpr to better match
5169         its name.  Adjust restore and save gpr ranges.
5170         (s390_register_info_set_ranges): New function.
5171         (s390_register_info): Use new macros above.  Call
5172         s390_register_info_set_ranges.
5173         (s390_optimize_register_info): Likewise.
5174         (s390_hard_regno_rename_ok): Use new macros.
5175         (s390_hard_regno_scratch_ok): Likewise.
5176         (s390_emit_epilogue): Likewise.
5177         (s390_can_use_return_insn): Likewise.
5178         (s390_optimize_prologue): Likewise.
5179         * config/s390/s390.md (GPR2_REGNUM, GPR6_REGNUM): New constants.
5181 2016-02-05  Jakub Jelinek  <jakub@redhat.com>
5183         PR bootstrap/69677
5184         * config/i386/i386.c (convert_scalars_to_vector): Readd stack
5185         alignment fixes.
5186         (ix86_option_override_internal): Disable TARGET_STV even for
5187         -m{incoming,preferred}-stack-boundary=3.
5189 2016-02-03  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
5191         * config.gcc: Mark deprecated rtems targets as obsolete.
5193 2016-02-04  Segher Boessenkool  <segher@kernel.crashing.org>
5195         PR rtl-optimization/64682
5196         PR rtl-optimization/69567
5197         * combine.c (distribute_notes) <REG_DEAD>: Place the death note
5198         before I2 only if the register is both used and set in I2.
5200 2016-02-04  DJ Delorie  <dj@redhat.com>
5202         * config/msp430/msp430.c (msp430_start_function): Add function type.
5204 2016-02-04  Jakub Jelinek  <jakub@redhat.com>
5206         PR fortran/69368
5207         * tree-dfa.c (get_ref_base_and_extent): Remove unreachable code.
5209 2016-02-04  Uros Bizjak  <ubizjak@gmail.com>
5211         PR rtl-optimization/69577
5212         Revert:
5213         2015-10-29  Richard Henderson  <rth@redhat.com>
5215         PR target/68124
5216         PR rtl-opt/67609
5217         * config/i386/i386.c (ix86_cannot_change_mode_class): Tighten
5218         sse check to the exact conditions of PR 67609.
5220 2016-02-04  Michael Meissner  <meissner@linux.vnet.ibm.com>
5222         PR target/69667
5223         * config/rs6000/rs6000.md (mov<mode>_64bit_dm): Use 'd' constraint
5224         instead of 'ws', and 'wh' instead of 'wm' since TFmode/IFmode are
5225         not allowed into the traditional Altivec registers.
5226         (movtd_64bit_nodm): Likewise.
5227         (mov<mode>_32bit, FMOVE128_FPR iterator): Likewise.
5229 2016-02-04  David Malcolm  <dmalcolm@redhat.com>
5231         * config/aarch64/cortex-a57-fma-steering.c
5232         (aarch64_register_fma_steering): Remove "static" from arguments
5233         to register_pass.
5235 2016-02-04  Wilco Dijkstra  <wdijkstr@arm.com>
5237         PR target/69619
5238         * ccmp.c (expand_ccmp_expr_1): Avoid evaluating gs0/gs1
5239         twice when complex.
5241 2016-02-04  Mike Frysinger  <vapier@gentoo.org>
5243         * doc/invoke.texi: Delete -mno-fma4.
5245 2016-02-04  Richard Sandiford  <richard.sandiford@arm.com>
5247         PR rtl-optimization/69577
5248         * reginfo.c (record_subregs_of_mode): Add a partial_def parameter.
5249         (find_subregs_of_mode): Update accordingly.  Iterate over partial
5250         definitions.
5252 2016-02-04  Alan Lawrence  <alan.lawrence@arm.com>
5254         * config/arm/arm-protos.h (neon_reinterpret): Remove.
5255         * config/arm/arm.c (neon_reinterpret): Remove.
5256         * config/arm/arm_neon_builtins.def (vreinterpretv8qi, vreinterpretv4hi,
5257         vreinterpretv2si, vreinterpretv2sf, vreinterpretdi, vreinterpretv16qi,
5258         vreinterpretv8hi, vreinterpretv4si, vreinterpretv4sf, vreinterpretv2di,
5259         vreinterpretti): Remove.
5260         * config/arm/neon.md (neon_vreinterpretv8qi<mode>,
5261         neon_vreinterpretv4hi<mode>, neon_vreinterpretv2si<mode>,
5262         neon_vreinterpretv2sf<mode>, neon_vreinterpretdi<mode>,
5263         neon_vreinterpretti<mode>, neon_vreinterpretv16qi<mode>,
5264         neon_vreinterpretv8hi<mode>, neon_vreinterpretv4si<mode>,
5265         neon_vreinterpretv4sf<mode>, neon_vreinterpretv2di<mode>): Remove.
5266         * config/arm/arm_neon.h (vreinterpret_p8_p16, vreinterpret_p8_f32,
5267         vreinterpret_p8_p64, vreinterpret_p8_s64, vreinterpret_p8_u64,
5268         vreinterpret_p8_s8, vreinterpret_p8_s16, vreinterpret_p8_s32,
5269         vreinterpret_p8_u8, vreinterpret_p8_u16, vreinterpret_p8_u32,
5270         vreinterpret_p16_p8, vreinterpret_p16_f32, vreinterpret_p16_p64,
5271         vreinterpret_p16_s64, vreinterpret_p16_u64, vreinterpret_p16_s8,
5272         vreinterpret_p16_s16, vreinterpret_p16_s32, vreinterpret_p16_u8,
5273         vreinterpret_p16_u16, vreinterpret_p16_u32, vreinterpret_f32_p8,
5274         vreinterpret_f32_p16, vreinterpret_f32_p64, vreinterpret_f32_s64,
5275         vreinterpret_f32_u64, vreinterpret_f32_s8, vreinterpret_f32_s16,
5276         vreinterpret_f32_s32, vreinterpret_f32_u8, vreinterpret_f32_u16,
5277         vreinterpret_f32_u32, vreinterpret_p64_p8, vreinterpret_p64_p16,
5278         vreinterpret_p64_f32, vreinterpret_p64_s64, vreinterpret_p64_u64,
5279         vreinterpret_p64_s8, vreinterpret_p64_s16, vreinterpret_p64_s32,
5280         vreinterpret_p64_u8, vreinterpret_p64_u16, vreinterpret_p64_u32,
5281         vreinterpret_s64_p8, vreinterpret_s64_p16, vreinterpret_s64_f32,
5282         vreinterpret_s64_p64, vreinterpret_s64_u64, vreinterpret_s64_s8,
5283         vreinterpret_s64_s16, vreinterpret_s64_s32, vreinterpret_s64_u8,
5284         vreinterpret_s64_u16, vreinterpret_s64_u32, vreinterpret_u64_p8,
5285         vreinterpret_u64_p16, vreinterpret_u64_f32, vreinterpret_u64_p64,
5286         vreinterpret_u64_s64, vreinterpret_u64_s8, vreinterpret_u64_s16,
5287         vreinterpret_u64_s32, vreinterpret_u64_u8, vreinterpret_u64_u16,
5288         vreinterpret_u64_u32, vreinterpret_s8_p8, vreinterpret_s8_p16,
5289         vreinterpret_s8_f32, vreinterpret_s8_p64, vreinterpret_s8_s64,
5290         vreinterpret_s8_u64, vreinterpret_s8_s16, vreinterpret_s8_s32,
5291         vreinterpret_s8_u8, vreinterpret_s8_u16, vreinterpret_s8_u32,
5292         vreinterpret_s16_p8, vreinterpret_s16_p16, vreinterpret_s16_f32,
5293         vreinterpret_s16_p64, vreinterpret_s16_s64, vreinterpret_s16_u64,
5294         vreinterpret_s16_s8, vreinterpret_s16_s32, vreinterpret_s16_u8,
5295         vreinterpret_s16_u16, vreinterpret_s16_u32, vreinterpret_s32_p8,
5296         vreinterpret_s32_p16, vreinterpret_s32_f32, vreinterpret_s32_p64,
5297         vreinterpret_s32_s64, vreinterpret_s32_u64, vreinterpret_s32_s8,
5298         vreinterpret_s32_s16, vreinterpret_s32_u8, vreinterpret_s32_u16,
5299         vreinterpret_s32_u32, vreinterpret_u8_p8, vreinterpret_u8_p16,
5300         vreinterpret_u8_f32, vreinterpret_u8_p64, vreinterpret_u8_s64,
5301         vreinterpret_u8_u64, vreinterpret_u8_s8, vreinterpret_u8_s16,
5302         vreinterpret_u8_s32, vreinterpret_u8_u16, vreinterpret_u8_u32,
5303         vreinterpret_u16_p8, vreinterpret_u16_p16, vreinterpret_u16_f32,
5304         vreinterpret_u16_p64, vreinterpret_u16_s64, vreinterpret_u16_u64,
5305         vreinterpret_u16_s8, vreinterpret_u16_s16, vreinterpret_u16_s32,
5306         vreinterpret_u16_u8, vreinterpret_u16_u32, vreinterpret_u32_p8,
5307         vreinterpret_u32_p16, vreinterpret_u32_f32, vreinterpret_u32_p64,
5308         vreinterpret_u32_s64, vreinterpret_u32_u64, vreinterpret_u32_s8,
5309         vreinterpret_u32_s16, vreinterpret_u32_s32, vreinterpret_u32_u8,
5310         vreinterpret_u32_u16, vreinterpretq_p8_p16, vreinterpretq_p8_f32,
5311         vreinterpretq_p8_p64, vreinterpretq_p8_p128, vreinterpretq_p8_s64,
5312         vreinterpretq_p8_u64, vreinterpretq_p8_s8, vreinterpretq_p8_s16,
5313         vreinterpretq_p8_s32, vreinterpretq_p8_u8, vreinterpretq_p8_u16,
5314         vreinterpretq_p8_u32, vreinterpretq_p16_p8, vreinterpretq_p16_f32,
5315         vreinterpretq_p16_p64, vreinterpretq_p16_p128, vreinterpretq_p16_s64,
5316         vreinterpretq_p16_u64, vreinterpretq_p16_s8, vreinterpretq_p16_s16,
5317         vreinterpretq_p16_s32, vreinterpretq_p16_u8, vreinterpretq_p16_u16,
5318         vreinterpretq_p16_u32, vreinterpretq_f32_p8, vreinterpretq_f32_p16,
5319         vreinterpretq_f32_p64, vreinterpretq_f32_p128, vreinterpretq_f32_s64,
5320         vreinterpretq_f32_u64, vreinterpretq_f32_s8, vreinterpretq_f32_s16,
5321         vreinterpretq_f32_s32, vreinterpretq_f32_u8, vreinterpretq_f32_u16,
5322         vreinterpretq_f32_u32, vreinterpretq_p64_p8, vreinterpretq_p64_p16,
5323         vreinterpretq_p64_f32, vreinterpretq_p64_p128, vreinterpretq_p64_s64,
5324         vreinterpretq_p64_u64, vreinterpretq_p64_s8, vreinterpretq_p64_s16,
5325         vreinterpretq_p64_s32, vreinterpretq_p64_u8, vreinterpretq_p64_u16,
5326         vreinterpretq_p64_u32, vreinterpretq_p128_p8, vreinterpretq_p128_p16,
5327         vreinterpretq_p128_f32, vreinterpretq_p128_p64, vreinterpretq_p128_s64,
5328         vreinterpretq_p128_u64, vreinterpretq_p128_s8, vreinterpretq_p128_s16,
5329         vreinterpretq_p128_s32, vreinterpretq_p128_u8, vreinterpretq_p128_u16,
5330         vreinterpretq_p128_u32, vreinterpretq_s64_p8, vreinterpretq_s64_p16,
5331         vreinterpretq_s64_f32, vreinterpretq_s64_p64, vreinterpretq_s64_p128,
5332         vreinterpretq_s64_u64, vreinterpretq_s64_s8, vreinterpretq_s64_s16,
5333         vreinterpretq_s64_s32, vreinterpretq_s64_u8, vreinterpretq_s64_u16,
5334         vreinterpretq_s64_u32, vreinterpretq_u64_p8, vreinterpretq_u64_p16,
5335         vreinterpretq_u64_f32, vreinterpretq_u64_p64, vreinterpretq_u64_p128,
5336         vreinterpretq_u64_s64, vreinterpretq_u64_s8, vreinterpretq_u64_s16,
5337         vreinterpretq_u64_s32, vreinterpretq_u64_u8, vreinterpretq_u64_u16,
5338         vreinterpretq_u64_u32, vreinterpretq_s8_p8, vreinterpretq_s8_p16,
5339         vreinterpretq_s8_f32, vreinterpretq_s8_p64, vreinterpretq_s8_p128,
5340         vreinterpretq_s8_s64, vreinterpretq_s8_u64, vreinterpretq_s8_s16,
5341         vreinterpretq_s8_s32, vreinterpretq_s8_u8, vreinterpretq_s8_u16,
5342         vreinterpretq_s8_u32, vreinterpretq_s16_p8, vreinterpretq_s16_p16,
5343         vreinterpretq_s16_f32, vreinterpretq_s16_p64, vreinterpretq_s16_p128,
5344         vreinterpretq_s16_s64, vreinterpretq_s16_u64, vreinterpretq_s16_s8,
5345         vreinterpretq_s16_s32, vreinterpretq_s16_u8, vreinterpretq_s16_u16,
5346         vreinterpretq_s16_u32, vreinterpretq_s32_p8, vreinterpretq_s32_p16,
5347         vreinterpretq_s32_f16, vreinterpretq_s32_f32, vreinterpretq_s32_p64,
5348         vreinterpretq_s32_p128, vreinterpretq_s32_s64, vreinterpretq_s32_u64,
5349         vreinterpretq_s32_s8, vreinterpretq_s32_s16, vreinterpretq_s32_u8,
5350         vreinterpretq_s32_u16, vreinterpretq_s32_u32, vreinterpretq_u8_p8,
5351         vreinterpretq_u8_p16, vreinterpretq_u8_f32, vreinterpretq_u8_p64,
5352         vreinterpretq_u8_p128, vreinterpretq_u8_s64, vreinterpretq_u8_u64,
5353         vreinterpretq_u8_s8, vreinterpretq_u8_s16, vreinterpretq_u8_s32,
5354         vreinterpretq_u8_u16, vreinterpretq_u8_u32, vreinterpretq_u16_p8,
5355         vreinterpretq_u16_p16, vreinterpretq_u16_f32, vreinterpretq_u16_p64,
5356         vreinterpretq_u16_p128, vreinterpretq_u16_s64, vreinterpretq_u16_u64,
5357         vreinterpretq_u16_s8, vreinterpretq_u16_s16, vreinterpretq_u16_s32,
5358         vreinterpretq_u16_u8, vreinterpretq_u16_u32, vreinterpretq_u32_p8,
5359         vreinterpretq_u32_p16, vreinterpretq_u32_f32, vreinterpretq_u32_p64,
5360         vreinterpretq_u32_p128, vreinterpretq_u32_s64, vreinterpretq_u32_u64,
5361         vreinterpretq_u32_s8, vreinterpretq_u32_s16, vreinterpretq_u32_s32,
5362         vreinterpretq_u32_u8, vreinterpretq_u32_u16): Rewrite using casts.
5364 2016-02-04  Martin Liska  <mliska@suse.cz>
5366         PR sanitizer/69276
5367         * asan.c (has_stmt_been_instrumented_p): Instrument gimple calls
5368         that are gimple_store_p.
5369         (maybe_instrument_call): Likewise.
5371 2016-02-04  Bin Cheng  <bin.cheng@arm.com>
5373         * config/aarch64/aarch64.c (aarch64_legitimize_address): Force
5374         register scaling out of memory reference and comment why.
5376 2016-02-04  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5378         PR target/65932
5379         PR target/67714
5380         * cse.c (cse_insn): Pass NULL to fold_rtx when initially
5381         folding the source of a SET.
5383 2016-02-04  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5385         PR target/65932
5386         PR target/67714
5387         * config/arm/arm.c (arm_new_rtx_costs, MULT case): Properly extract
5388         the operands of the SIGN_EXTENDs from a SMUL[TB][TB] rtx.
5390 2016-02-04  Jim Wilson  <jim.wilson@linaro.org>
5392         PR target/65932
5393         PR target/67714
5394         * config/arm/arm.h (PROMOTE_MODE): Don't set UNSIGNEDP for QImode and
5395         HImode.
5397 2016-02-04  Christian Bruel  <christian.bruel@st.com>
5399         * config/arm/arm-c.c (arm_reset_previous_fndecl): Style fix and typo.
5400         * config/arm/arm.c (arm_set_current_function): Likewise.
5402 2016-02-04  Jakub Jelinek  <jakub@redhat.com>
5403             Ilya Enkovich  <enkovich.gnu@gmail.com>
5404             H.J. Lu  <hongjiu.lu@intel.com>
5406         PR target/69454
5407         * config/i386/i386.c (convert_scalars_to_vector): Remove
5408         stack alignment fixes.
5409         (ix86_option_override_internal): Disable TARGET_STV if stack
5410         might not be aligned enough.
5411         (ix86_minimum_alignment): Assert that TARGET_STV is false.
5413 2016-02-04  Victoria Stepanyan  <victoria.stepanyan@amd.com>
5415         * gcc/config/i386/x86-tune.def: Disable default prefetching
5416         for -march=znver1.
5418 2016-02-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
5419             Vladimir Makarov  <vmakarov@redhat.com>
5421         PR target/69461
5422         * config/rs6000/rs6000.c (rs6000_legitimate_address_p): Fix thinko
5423         in validating fused toc addresses.
5425 2016-02-03  Jakub Jelinek  <jakub@redhat.com>
5427         PR c/69627
5428         * diagnostic-show-locus.c (layout::get_state_at_point): Don't read
5429         range->m_caret fields if range->m_show_caret_p is false.
5431         PR target/69644
5432         * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap):
5433         Force oldval into register if it does not satisfy reg_or_short_operand
5434         predicate.  Fix up formatting.
5436 2016-02-03  Vladimir Makarov  <vmakarov@redhat.com>
5437             Alexandre Oliva  <aoliva@redhat.com>
5439         PR target/69461
5440         * lra-constraints.c (simplify_operand_subreg): Check additionally
5441         address validity after potential reloading.
5442         (process_address_1): Check insns validity.  In case of failure do
5443         nothing.
5445 2016-02-03  Kirill Yukhin  <kirill.yukhin@intel.com>
5447         PR target/69118
5448         * config/i386/sse.md (define_insn "avx512f_maskcmp<mode>3"):
5449         Fix target.
5451 2016-02-02  Jakub Jelinek  <jakub@redhat.com>
5453         * wide-int.cc (canonize_uhwi): New function.
5454         (wi::divmod_internal): Use it.
5456 2016-02-02  James Norris  <jnorris@codesourcery.com
5458         * gimplify.c (omp_notice_variable): Add usage check.
5460 2016-02-02  Alexander Monakov  <amonakov@ispras.ru>
5462         * config/nvptx/nvptx.c (nvptx_print_operand): Treat LEU, GEU, LTU, GTU
5463         like LE, GE, LT, GT when emitting relational operator.
5465 2016-02-02  Wilco Dijkstra  <wdijkstr@arm.com>
5467         * ira-costs.c (find_costs_and_classes): Add extra argument.
5468         * target.def (ira_change_pseudo_allocno_class): Add parameter.
5469         * targhooks.h (ira_change_pseudo_allocno_class): Likewise.
5470         * targhooks.c (ira_change_pseudo_allocno_class): Likewise.
5471         * config/aarch64/aarch64.c (aarch64_ira_change_pseudo_allocno_class)
5472         Add best_class parameter, and return it if not ALL_REGS.
5473         * config/mips/mips.c (mips_ira_change_pseudo_allocno_class):
5474         Add parameter.
5475         * doc/tm.texi (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS):
5476         Update target hook.
5478 2016-02-02  Wilco Dijkstra  <wdijkstr@arm.com>
5480         * config/aarch64/aarch64.c
5481         (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS): New define.
5482         (aarch64_ira_change_pseudo_allocno_class): New function.
5484 2016-02-02  Uros Bizjak  <ubizjak@gmail.com>
5486         PR target/67032
5487         * config/i386/i386.c (geode_cost): Increase cost of MMX and SSE moves.
5489 2016-02-02  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
5491         * config/avr/avr.c (avr_option_override): Set
5492         PARAM_ALLOW_STORE_DATA_RACES to 1.
5494 2016-02-02  Richard Biener  <rguenther@suse.de>
5496         PR tree-optimization/69595
5497         * match.pd: Add range test simplifications to true/false.
5499 2016-02-02  Thomas Schwinge  <thomas@codesourcery.com>
5501         * omp-builtins.def (BUILT_IN_GOACC_HOST_DATA): Remove.
5502         * omp-low.c (expand_omp_target): Use BUILT_IN_GOACC_DATA_START
5503         instead.
5505 2016-02-02  Richard Biener  <rguenther@suse.de>
5507         PR tree-optimization/69606
5508         * tree-ssa-math-opts.c (bswap_replace): Clear flow sensitive
5509         info on the result before moving a stmt.
5511 2016-02-02  Yuri Rumyantsev  <ysrumyan@gmail.com>
5513         PR middle-end/68542
5514         * config/i386/i386.c (ix86_expand_branch): Add support for conditional
5515         branch with vector comparison.
5516         * config/i386/sse.md (VI48_AVX): New mode iterator.
5517         (define_expand "cbranch<mode>4): Add support for conditional branch
5518         with vector comparison.
5519         * tree-vect-loop.c (optimize_mask_stores): New function.
5520         * tree-vect-stmts.c (vectorizable_mask_load_store): Initialize
5521         has_mask_store field of vect_info.
5522         * tree-vectorizer.c (vectorize_loops): Invoke optimaze_mask_stores for
5523         vectorized loops having masked stores after vec_info destroy.
5524         * tree-vectorizer.h (loop_vec_info): Add new has_mask_store field and
5525         correspondent macros.
5526         (optimize_mask_stores): Add prototype.
5528 2016-02-02  Alan Modra  <amodra@gmail.com>
5530         PR target/69548
5531         * config/rs6000/predicates.md (quad_int_reg_operand): Don't
5532         allow subregs.
5534 2016-02-02  Alan Modra  <amodra@gmail.com>
5536         PR target/68662
5537         * config/rs6000/rs6000.c (need_toc_init): New var, set it
5538         whenever toc_label_name used.
5539         (rs6000_file_start): Don't set up toc section here,
5540         (rs6000_output_function_epilogue): do so here instead,
5541         (rs6000_xcoff_file_start): and here.
5542         * config/rs6000/rs6000.md (load_toc_aix_si): Set need_toc_init.
5543         (load_toc_aix_di): Likewise.
5545 2016-02-01  Jakub Jelinek  <jakub@redhat.com>
5547         PR rtl-optimization/69592
5548         * rtlanal.c (nonzero_bits_binary_arith_p): New inline function.
5549         (cached_nonzero_bits): Use it instead of ARITHMETIC_P.
5550         (num_sign_bit_copies_binary_arith_p): New inline function.
5551         (cached_num_sign_bit_copies): Use it instead of ARITHMETIC_P.
5553 2016-02-01  Jeff Law  <law@redhat.com>
5555         PR tree-optimization/69580
5556         * params.def (FSM_MAXIMUM_PHI_ARGUMENTS): New param.
5557         * tree-ssa-threadbackward.c
5558         (fsm_find_control_statement_thread_paths): Do not try to walk
5559         through large PHI nodes.
5561 2016-02-01  Jakub Jelinek  <jakub@redhat.com>
5563         * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Return false
5564         when count is incremented above limit, don't analyze further
5565         insns afterwards.
5567         * omp-low.c (oacc_parse_default_dims): Avoid
5568         -Wsign-compare warning, make sure value fits into int
5569         rather than just unsigned int.
5571 2016-02-01  Bin Cheng  <bin.cheng@arm.com>
5573         PR tree-optimization/67921
5574         * fold-const.c (split_tree): New parameters.  Convert pointer
5575         type variable part to proper type before negating.
5576         (fold_binary_loc): Pass new arguments to split_tree.
5578 2016-02-01  Nathan Sidwell  <nathan@codesourcery.com>
5580         * config/nvptx/nvptx.c (PTX_GANG_DEFAULT): New.
5581         (nvptx_goacc_validate_dims): Extend to handle global defaults.
5582         * target.def (OACC_VALIDATE_DIMS): Extend documentation.
5583         * doc/tm.texti: Rebuilt.
5584         * doc/invoke.texi (fopenacc-dim): Document.
5585         * lto-wrapper.c (merge_and_complain): Add OPT_fopenacc_dim_ case.
5586         (append_compiler_options): Likewise.
5587         * omp-low.c (oacc_default_dims, oacc_min_dims): New.
5588         (oacc_parse_default_dims): New.
5589         (oacc_validate_dims): Add USED arg.  Select non-unity default when
5590         possible.
5591         (oacc_loop_fixed_partitions): Return mask of used partitions.
5592         (oacc_loop_auto_partitions): Emit dump info.
5593         (oacc_loop_partition): Return mask of used partitions.
5594         (execute_oacc_device_lower): Parse default dimension arg.  Adjust
5595         loop partitioning and validation calls.
5597 2016-02-01  Richard Biener  <rguenther@suse.de>
5599         PR middle-end/69556
5600         * match.pd: Guard (C1/X)*C2 -> (C1*C2)/X with single_use.
5602 2016-02-01  Richard Biener  <rguenther@suse.de>
5604         PR tree-optimization/69574
5605         * tree-chrec.c (hide_evolution_in_other_loops_than_loop): Instead
5606         of asserting return chrec_dont_know.
5608 2016-02-01  Martin Liska  <mliska@suse.cz>
5610         * mem-stats-traits.h: Add copyright header.
5611         * mem-stats.h: Likewise.
5613 2016-02-01  Richard Biener  <rguenther@suse.de>
5615         PR tree-optimization/69579
5616         * tree-ssa-loop-ivcanon.c (propagate_constants_for_unrolling):
5617         Do not propagate through abnormal PHI results.
5619 2016-02-01  Eric Botcazou  <ebotcazou@adacore.com>
5621         * postreload.c (reload_cse_simplify): Remove dead code.
5623 2016-02-01  Jakub Jelinek  <jakub@redhat.com>
5625         PR rtl-optimization/69570
5626         * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Return true only
5627         if there is more than one set, not if there is a single set.
5629 2016-02-01  Richard Henderson  <rth@redhat.com>
5631         PR rtl-opt/69535
5632         * combine.c (make_compound_operation): When looking through a
5633         subreg, make sure to re-extend to the width of the outer mode.
5635 2016-01-30  Jakub Jelinek  <jakub@redhat.com>
5637         PR tree-optimization/69546
5638         * wide-int.cc (wi::divmod_internal): For unsigned division
5639         where both operands fit into uhwi, if o1 is 1 and o0 has
5640         msb set, if divident_prec is larger than bits per hwi,
5641         clear another quotient word and return 2 instead of 1.
5642         Similarly for remainder with msb in HWI set, if dividend_prec
5643         is larger than bits per hwi.
5645 2016-01-29  Martin Jambor  <mjambor@suse.cz>
5647         * hsa-gen.c (get_memory_order_name): Mask with MEMMODEL_BASE_MASK.
5648         Use short lowercase names.
5649         (get_memory_order): Mask with MEMMODEL_BASE_MASK.  Support
5650         MEMMODEL_CONSUME with acquire semantics and MEMMODEL_SEQ_CST with
5651         acq_rel one.  Protect warning agains segfaults if
5652         get_memory_order_name returns NULL.
5653         (gen_hsa_ternary_atomic_for_builtin): Support with MEMMODEL_SEQ_CST
5654         with release semantics.  Do not warn if get_memory_order already did.
5655         (gen_hsa_insns_for_call): Support with MEMMODEL_SEQ_CST with acquire
5656         semantics.  Fix check for relaxed or acquire semantics.  Do not warn
5657         if get_memory_order already did.
5659 2016-01-29  Sebastian Pop  <s.pop@samsung.com>
5661         * doc/install.texi: Document that isl-0.16 is supported.
5663 2016-01-29  Vladimir Makarov  <vmakarov@redhat.com>
5665         PR target/69299
5666         * config/i386/constraints.md (Bm): Describe as special memory
5667         constraint.
5668         * doc/md.texi (DEFINE_SPECIAL_MEMORY_CONSTRAINT): Describe it.
5669         * genoutput.c (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
5670         * genpreds.c (struct constraint_data): Add is_special_memory.
5671         (have_special_memory_constraints, special_memory_start): New
5672         static vars.
5673         (special_memory_end): Ditto.
5674         (add_constraint): Add new arg is_special_memory.  Add code to
5675         process its true value.  Update have_special_memory_constraints.
5676         (process_define_constraint): Pass the new arg.
5677         (process_define_register_constraint): Ditto.
5678         (choose_enum_order): Process special memory.
5679         (write_tm_preds_h): Generate enum const CT_SPECIAL_MEMORY and
5680         function insn_extra_special_memory_constraint.
5681         (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
5682         * gensupport.c (process_rtx): Process
5683         DEFINE_SPECIAL_MEMORY_CONSTRAINT.
5684         * ira-costs.c (record_reg_classes): Process CT_SPECIAL_MEMORY.
5685         * ira-lives.c (single_reg_class): Use
5686         insn_extra_special_memory_constraint.
5687         * ira.c (ira_setup_alts): Process CT_SPECIAL_MEMORY.
5688         * lra-constraints.c (process_alt_operands): Ditto.
5689         (curr_insn_transform): Use insn_extra_special_memory_constraint.
5690         * recog.c (asm_operand_ok, preprocess_constraints): Process
5691         CT_SPECIAL_MEMORY.
5692         * reload.c (find_reloads): Ditto.
5693         * rtl.def (DEFINE_SPECIFAL_MEMORY_CONSTRAINT): New.
5694         * stmt.c (parse_input_constraint): Use
5695         insn_extra_special_memory_constraint.
5697 2016-01-29  H.J. Lu  <hongjiu.lu@intel.com>
5699         PR target/69530
5700         * lra-splill.c (lra_final_code_change): Revert r229087 by
5701         removing all sub-registers.
5703 2016-01-29  Steve Ellcey  <sellcey@imgtec.com>
5705         PR target/65604
5706         * config/mips/mips.c (mips_output_division): Check flag_delayed_branch.
5708 2016-01-29  Jakub Jelinek  <jakub@redhat.com>
5710         PR target/69551
5711         * config/i386/i386.c (ix86_expand_vector_set) <case V4SImode>: For
5712         SSE1, copy target into the temporary reg first before recursing
5713         on it.
5715 2016-01-29  H.J. Lu  <hongjiu.lu@intel.com>
5717         * config/i386/sse.md (sse2_cvtps2pd<mask_name>): Replace vBm
5718         with vm.
5720 2016-01-29  Jonathan Wakely  <jwakely@redhat.com>
5722         * ginclude/stdarg.h: Test __cplusplus instead of
5723         __GXX_EXPERIMENTAL_CXX0X__.
5725 2016-01-29  Richard Biener  <rguenther@suse.de>
5727         PR tree-optimization/69547
5728         * tree-ssa-dce.c (mark_aliased_reaching_defs_necessary_1):
5729         Do not mark clobbers necessary.
5730         (mark_all_reaching_defs_necessary_1): Likewise.
5732 2016-01-29  Dominik Vogt  <vogt@linux.vnet.ibm.com>
5734         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Format
5735         declaration name with %qs and print it in both error messages.
5736         Also fix indentation.
5738 2016-01-29  Dominik Vogt  <vogt@linux.vnet.ibm.com>
5740         PR other/69006
5741         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Remove
5742         trailing blank line from error message.
5744 2016-01-29  Jonathan Wakely  <jwakely@redhat.com>
5746         PR c++/69462
5747         * ginclude/float.h: Also provide FLT_EVAL_METHOD and DECIMAL_DIG
5748         for C++-11.
5750 2016-01-29  Richard Biener  <rguenther@suse.de>
5752         PR middle-end/69537
5753         * match.pd: Allow all integral types when simplifying a
5754         widening or sign-changing conversion.
5756 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
5758         * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Revert assert
5759         back to setting codegen_error to fail codegen.
5761 2016-01-28  Uros Bizjak  <ubizjak@gmail.com>
5763         PR target/69459
5764         * config/i386/constraints.md (C): Only accept constant zero operand.
5765         (BC): New constraint.
5766         * config/i386/sse.md (*mov<mode>_internal): Use BC constraint
5767         instead of C constraint.
5768         * doc/md.texi (Machine Constraints): Update description
5769         of C constraint.
5771 2016-01-28  Steve Ellcey  <sellcey@imgtec.com>
5773         PR target/68400
5774         * config/mips/mips.c (and_operands_ok): Add MIPS16 check.
5776 2016-01-28  Jakub Jelinek  <jakub@redhat.com>
5778         PR middle-end/69542
5779         * lra-remat.c (calculate_local_reg_remat_bb_data): Only consider
5780         non-debug insns.
5782 2016-01-28  Pat Haugen  <pthaugen@us.ibm.com>
5784         * config/rs6000/rs6000.c (output_cbranch): Don't statically predict
5785         branches if using guessed profile.
5787 2016-01-28  H.J. Lu  <hongjiu.lu@intel.com>
5789         * graphite-optimize-isl.c (optimize_isl): Fix dump.
5791 2016-01-28  Richard Henderson  <rth@redhat.com>
5793         PR target/69305
5794         * config/aarch64/aarch64-modes.def (CC_Cmode): New
5795         * config/aarch64/aarch64-protos.h: Update.
5796         * config/aarch64/aarch64.c (aarch64_zero_extend_const_eq): New.
5797         (aarch64_select_cc_mode): Add check for use of CC_Cmode.
5798         (aarch64_get_condition_code_1): Handle CC_Cmode.
5799         * config/aarch64/aarch64.md (addti3): Use adddi3_compareC.
5800         (*add<mode>3_compareC_cconly_imm): New.
5801         (*add<mode>3_compareC_cconly): New.
5802         (*add<mode>3_compareC_imm): New.
5803         (add<mode>3_compareC): New.
5804         (add<mode>3_carryin, *addsi3_carryin_uxtw): Sort compare operand
5805         to be first.  Use aarch64_carry_operation.
5806         (*add<mode>3_carryin_alt1, *addsi3_carryin_alt1_uxtw): Remove.
5807         (*add<mode>3_carryin_alt2, *addsi3_carryin_alt2_uxtw): Remove.
5808         (*add<mode>3_carryin_alt3, *addsi3_carryin_alt3_uxtw): Remove.
5809         (subti3): Use subdi3_compare1.
5810         (*sub<mode>3_compare0): Rename from sub<mode>3_compare0.
5811         (sub<mode>3_compare1): New.
5812         (*sub<mode>3_carryin0, *subsi3_carryin_uxtw): New.
5813         (*sub<mode>3_carryin): Use aarch64_borrow_operation.
5814         (*subsi3_carryin_uxtw): Likewise.
5815         (*ngc<mode>, *ngcsi_uxtw): Likewise.
5816         (*sub<mode>3_carryin_alt, *subsi3_carryin_alt_uxtw): New.
5817         * config/aarch64/iterators.md (DWI): New.
5818         * config/aarch64/predicates.md (aarch64_carry_operation): New.
5819         (aarch64_borrow_operation): New.
5821 2016-01-28  Abderrazek Zaafrani  <a.zaafrani@samsung.com>
5823         * graphite-optimize-isl.c (optimize_isl): Print a different debug
5824         message when isl does not return a valid schedule.
5826 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
5828         * graphite-isl-ast-to-gimple.c (class translate_isl_ast_to_gimple):
5829         Remove comments from class declarations: they are already in the code
5830         close by the defs.
5832 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
5834         * graphite-isl-ast-to-gimple.c (binary_op_to_tree): Call
5835         codegen_error_p.
5836         (ternary_op_to_tree): Same.
5837         (unary_op_to_tree): Same.
5838         (nary_op_to_tree): Same.
5839         (gcc_expression_from_isl_expr_op): Same.
5840         (gcc_expression_from_isl_expression): Same.
5841         (graphite_create_new_loop): Same.
5842         (graphite_create_new_loop_guard): Same.
5843         (build_iv_mapping): Same.
5844         (graphite_create_new_guard): Same.
5845         (translate_isl_ast_to_gimple::copy_loop_phi_nodes): Same.
5846         (translate_isl_ast_to_gimple::translate_pending_phi_nodes): Same.
5848 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
5850         * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Assert
5851         instead of setting codegen_error to fail codegen.
5853 2016-01-28  Jason Merrill  <jason@redhat.com>
5855         * tree.h (BINFO_FLAG_0): Rename from BINFO_MARKED.
5857 2016-01-28  Wilco Dijkstra  <wdijkstr@arm.com>
5859         * config/aarch64/aarch64.c (aarch64_if_then_else_costs):
5860         Remove CONST_INT_P check in CCMP cost calculation.
5862 2016-01-28  Wilco Dijkstra  <wdijkstr@arm.com>
5864         * config/aarch64/aarch64.c (generic_vector_cost):
5865         Set vec_permute_cost.
5866         (cortexa57_vector_cost): Likewise.
5867         (exynosm1_vector_cost): Likewise.
5868         (xgene1_vector_cost): Likewise.
5869         (aarch64_builtin_vectorization_cost): Use vec_permute_cost.
5870         * config/aarch64/aarch64-protos.h (cpu_vector_cost):
5871         Add vec_permute_cost entry.
5873 2016-01-28  Wilco Dijkstra  <wdijkstr@arm.com>
5875         * config/aarch64/aarch64.md (ccmp<mode>): Disassemble
5876         immediate as %1.
5877         (add<mode>3_compare0): Likewise.
5878         (addsi3_compare0_uxtw): Likewise.
5879         (add<mode>3nr_compare0): Likewise.
5880         (compare_neg<mode>): Likewise.
5881         (<optab><mode>3): Likewise.
5883 2016-01-28  Ilya Enkovich  <enkovich.gnu@gmail.com>
5885         * tree-vect-stmts.c (vectorizable_comparison): Add
5886         NULL check for vectype.
5888 2016-01-28  Richard Biener  <rguenther@suse.de>
5890         PR tree-optimization/69466
5891         * tree-vect-loop-manip.c (slpeel_duplicate_current_defs_from_edges):
5892         Account for PHIs we couldn't duplicate.
5894 2016-01-28  Martin Liska  <mliska@suse.cz>
5896         PR pch/68758
5897         * ggc-common.c (gt_pch_save): Use ENABLE_VALGRIND_ANNOTATIONS macro
5898         instead of ENABLE_VALGRIND_CHECKING.
5900 2016-01-27  Richard Henderson  <rth@redhat.com>
5902         PR rtl-opt/69447
5903         * lra-remat.c (subreg_regs): New.
5904         (dump_candidates_and_remat_bb_data): Dump it.
5905         (operand_to_remat): Reject if operand in subreg_regs.
5906         (set_bb_regs): Collect subreg_regs.
5907         (lra_remat): Init and free subreg_regs.  Compute
5908         calculate_local_reg_remat_bb_data before create_cands.
5910 2016-01-27  H.J. Lu  <hongjiu.lu@intel.com>
5912         PR target/68986
5913         * config/i386/i386.c (ix86_update_stack_boundary): Don't
5914         change stack_alignment_needed for __tls_get_addr call.
5916 2016-01-27  Segher Boessenkool  <segher@kernel.crashing.org>
5918         * config/rs6000/rs6000.c (print_operand): Rollback 's' removal.
5920 2016-01-27  Jeff Law  <law@redhat.com>
5922         PR tree-optimization/68398
5923         PR tree-optimization/69196
5924         * params.def (PARAM_FSM_SCALE_PATH_STMTS): New parameter.
5925         (PARAM_FSM_SCALE_PATH_BLOCKS): Likewise.
5926         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
5927         Only count PHIs in the last block in the path.  The others will
5928         const/copy propagate away.  Add heuristic to allow more irreducible
5929         subloops to be created when it is likely profitable to do so.
5931         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
5932         Fix typo in comment.  Use gsi_after_labels and remove the GIMPLE_LABEL
5933         check from within the loop.  Use gsi_next_nondebug rather than gsi_next.
5935 2016-01-27  Jakub Jelinek  <jakub@redhat.com>
5937         PR lto/69254
5938         * sanitizer.def: Add BEGIN_SANITIZER_BUILTINS and
5939         END_SANITIZER_BUILTINS markers using DEF_BUILTIN_STUB.
5940         * asan.c (DEF_BUILTIN_STUB): Temporarily define.
5941         * tree-streamer-in.c: Include asan.h.
5942         (streamer_get_builtin_tree): For builtins in sanitizer
5943         range call initialize_sanitizer_builtins and retry.
5945 2016-01-27  Ian Lance Taylor  <iant@google.com>
5947         * common.opt (fkeep-gc-roots-live): New undocumented option.
5948         * tree-ssa-loop-ivopts.c (add_candidate_1): If
5949         -fkeep-gc-roots-live, skip pointers.
5950         (add_iv_candidate_for_biv): Handle add_candidate_1 returning
5951         NULL.
5953 2016-01-27  Uros Bizjak  <ubizjak@gmail.com>
5955         PR target/69512
5956         * config/i386/i386.md (*zext<mode>_doubleword_and): New pattern.
5957         (*zext<mode>_doubleword): Disable for TARGET_ZERO_EXTEND_WITH_AND.
5959 2016-01-27  Thomas Klausner  <wiz@NetBSD.org>
5961         PR target/68380
5962         * configure.ac: NetBSD provides SSP in its C library.
5963         * configure: Updated.
5965 2016-01-27  Richard Biener  <rguenther@suse.de>
5967         PR tree-optimization/69166
5968         * tree-vect-loop.c (vect_is_simple_reduction): Always check
5969         reduction code for commutativity / associativity.
5971 2016-01-27  Martin Jambor  <mjambor@suse.cz>
5973         PR tree-optimization/69355
5974         * tree-sra.c (analyze_access_subtree): Correct hole detection when
5975         total_scalarization fails.
5977 2016-01-27  David Edelsohn  <dje.gcc@gmail.com>
5979         * config/rs6000/driver-rs6000.c (detect_processor_aix): Add
5980         power9.
5982 2016-01-27  Christian Bruel  <christian.bruel@st.com>
5984         PR target/69245
5985         * config/arm/arm-c.c (arm_pragma_target_parse): Add comments.
5986         Move arm_reset_previous_fndecl and set_target_option_current_node in
5987         the conditional part.  Call save_restore_target_globals.
5988         * config/arm/arm.c (arm_set_current_function):
5989         Refactor to better support #pragma target and attribute mix.
5990         Call save_restore_target_globals.
5991         * config/arm/arm-protos.h (save_restore_target_globals): New function.
5993 2016-01-27  Martin Liska  <mliska@suse.cz>
5995         * hsa.c (hsa_summary_t::link_functions): Create IPA_REF_ADDR
5996         reference for an HSA kernel and its host function.
5998 2016-01-27  Jakub Jelinek  <jakub@redhat.com>
6000         PR tree-optimization/69399
6001         * wide-int.h (wi::lrshift): For larger precisions, only
6002         use fast path if shift is known to be < HOST_BITS_PER_WIDE_INT.
6004 2016-01-27  Claudiu Zissulescu  <claziss@synopsys.com>
6006         * config/arc/predicates.md (proper_comparison_operator): Reject
6007         constant-constant comparison.
6009 2016-01-26  Tom de Vries  <tom@codesourcery.com>
6011         PR tree-optimization/69110
6012         * tree-data-ref.c (initialize_data_dependence_relation): Handle
6013         DR_NUM_DIMENSIONS == 0.
6015 2016-01-26  Abderrazek Zaafrani  <a.zaafrani@samsung.com>
6016             Sebastian Pop  <s.pop@samsung.com>
6018         * graphite-isl-ast-to-gimple.c (ternary_op_to_tree): Handle
6019         isl_ast_op_cond and isl_ast_op_select.
6020         (gcc_expression_from_isl_expr_op): Same.
6022 2016-01-26  Jason Merrill  <jason@redhat.com>
6024         PR c++/68782
6025         * tree.c (recompute_constructor_flags): Split out from
6026         build_constructor.
6027         (verify_constructor_flags): New.
6028         * tree.h: Declare them.
6030 2016-01-26  Iain Buclaw  <ibuclaw@gdcproject.org>
6032         PR rtl-optimization/69217
6033         * var-tracking.c (tracked_record_parameter_p): Don't segfault if there
6034         are no TYPE_FIELDS set for the record type.
6036 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
6038         PR target/68662
6039         * config/rs6000/rs6000.c (rs6000_option_override_internal): Initialize
6040         toc_label_name unconditionally.
6041         (rs6000_emit_load_toc_table): Call ggc_strdup on toc_label_name for
6042         SYMBOL_REF string.  Use toc_label_name instead of constructing
6043         LCTOC1.
6044         (rs6000_elf_declare_function_name): Use toc_label_name instead of
6045         constructing LCTOC1.
6047 2016-01-26  Martin Sebor  <msebor@redhat.com>
6049         PR other/69477
6050         * doc/extend.texi (Common Type Attributes): Move text that talks about
6051         attribute packed from attribute aligned to the section discussing
6052         the former attribute for clarity.
6054 2016-01-26  Richard Henderson  <rth@redhat.com>
6056         PR middle-end/60908
6057         * trans-mem.c (tm_region_init): Mark entry block as visited.
6059 2016-01-26  David Malcolm  <dmalcolm@redhat.com>
6061         PR other/69006
6062         * diagnostic-show-locus.c (layout::print_source_line): Replace
6063         call to pp_newline with call to layout::print_newline.
6064         (layout::print_annotation_line): Likewise.
6065         (layout::move_to_column): Likewise.
6066         (layout::print_any_fixits): After printing any fixits, print a
6067         trailing newline, if necessary.
6068         (layout::print_newline): New method, resetting any colorization
6069         before a newline.
6070         (diagnostic_show_locus): Move the pp_newline to before the
6071         early bailout.  Remove dummy block enclosing the layout instance.
6072         * diagnostic.c (default_diagnostic_finalizer): Replace invocation
6073         of pp_newline_and_flush with pp_flush.
6074         (diagnostic_append_note): Delete use of pp_newline.
6075         (diagnostic_append_note_at_rich_loc): Delete.
6076         * diagnostic.h (diagnostic_append_note_at_rich_loc): Delete.
6077         * pretty-print.h (output_buffer_append_r): Reset buff->line_length
6078         when newline characters are added to the buffer.
6080 2016-01-26  Michael Matz  <matz@suse.de>
6082         * configure.ac (ac_cv_std_swap_in_utility): New test.
6083         * system.h (<algorithm>): Check HAVE_SWAP_IN_UTILITY as well.
6084         * configure: Regenerate.
6085         * config.in: Regenerate.
6087 2016-01-26  Claudiu Zissulescu  <claziss@synopsys.com>
6089         * config/arc/arc.md (cstoresi4): Force operand into register.
6090         (arcset<code>): Fix predicate.
6091         (arcsetltu): Likewise.
6092         (arcsetgeu): Likewise.
6093         (arcsethi): Likewise.
6094         (arcsetls): Likewise.
6096 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
6098         PR tree-optimization/69483
6099         * gimple-fold.c (canonicalize_constructor_val): Return NULL
6100         if base has error_mark_node type.
6102 2016-01-26  Christophe Lyon  <christophe.lyon@linaro.org>
6104         PR target/68620
6105         * config/arm/arm.c (neon_valid_immediate): Handle FP16 vectors.
6106         * config/arm/arm_neon.h (__ARM_NUM_LANES, __arm_lane, arm_lanq):
6107         New helper macros.
6108         (vget_lane_f16): Handle big-endian.
6109         (vgetq_lane_f16): Likewise.
6110         (vset_lane_f16): Likewise.
6111         (vsetq_lane_f16): Likewise.
6112         * config/arm/iterators.md (VQXMOV): Add V8HF.
6113         (VDQ): Add V4HF and V8HF.
6114         (V_reg): Handle V4HF and V8HF.
6115         (Is_float_mode): Likewise.
6116         * config/arm/neon.md (movv4hf, movv8hf, neon_vdup_nv4hf,
6117         neon_vdup_nv8hf): New patterns.
6118         (vec_set<mode>_internal, vec_extract<mode>, neon_vld1_dup<mode>):
6119         Use VD_LANE iterator.
6120         (neon_vld1_dup<mode>): Use VQ2 iterator.
6122 2016-01-26  Nathan Sidwell  <nathan@acm.org>
6124         * omp-low.h (oacc_fn_attrib_kernels_p): Declare.
6125         (set_oacc_fn_attrib): Add IS_KERNEL arg.
6126         * omp-low.c (set_oacc_fn_attrib): Add IS_KERNEL arg.
6127         (oacc_fn_attrib_kernels_p, oacc_fn_attrib_level): New.
6128         (expand_omp_target): Pass is_kernel to set_oacc_fn_attrib.
6129         (oacc_validate_dims): Add LEVEL arg, don't return level.
6130         (new_oacc_loop_routine): Use oacc_fn_attrib_level, not
6131         oacc_validate_dims.
6132         (execute_oacc_device_lower): Adjust, add more dump output.
6133         * tree-ssa-loop.c (gate_oacc_kernels): Use
6134         oacc_fn_attrib_kernels_p.
6135         * tree-parloops.c (create_parallel_loop): Adjust
6136         set_oacc_fn_attrib call.
6138 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
6140         PR lto/69254
6141         * lto-wrapper.c (merge_and_complain): Handle -fcilkplus.
6142         (append_compiler_options): Handle -fcilkplus.
6143         (append_linker_options): Ignore -fno-{openmp,openacc,cilkplus}.
6145 2016-01-26  Nick Clifton  <nickc@redhat.com>
6147         PR target/66655
6148         * config/i386/winnt.c (i386_pe_binds_local_p): If a function has
6149         been marked as DECL_ONE_ONLY but we do not the means to make it
6150         so, then do not allow it to bind locally.
6152 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
6154         PR lto/69254
6155         * opts.h (parse_sanitizer_options): New prototype.
6156         * opts.c (sanitizer_opts): New array.
6157         (parse_sanitizer_options): New function.
6158         (common_handle_option): Use parse_sanitizer_options.
6160 2016-01-26  H.J. Lu  <hongjiu.lu@intel.com>
6162         PR target/68986
6163         * config/i386/i386.c (ix86_compute_frame_layout): Move stack
6164         alignment adjustment to ...
6165         (ix86_update_stack_boundary): Here.  Don't over-align stack for
6166         __tls_get_addr.
6167         (ix86_finalize_stack_realign_flags): Use stack_alignment_needed
6168         if __tls_get_addr is called.
6170 2016-01-26  Christian Bruel  <christian.bruel@st.com>
6172         * doc/sourcebuild.texi (arm_crypto_pragma_ok): Remove.
6174 2016-01-26  Eric Botcazou  <ebotcazou@adacore.com>
6176         * config/ia64/ia64.c (ia64_expand_vecint_compare): Use gen_int_mode.
6178 2016-01-26  Richard Biener  <rguenther@suse.de>
6180         PR middle-end/69467
6181         * match.pd: Guard X * CST CMP 0 pattern with single_use.
6183 2016-01-26  Richard Biener  <rguenther@suse.de>
6185         PR tree-optimization/69452
6186         * tree-ssa-loop-im.c (move_computations_dom_walker): Remove.
6187         (move_computations_dom_walker::before_dom_children): Rename
6188         to ...
6189         (move_computations_worker): This.
6190         (move_computations): Perform an RPO rather than a DOM walk.
6192 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
6194         PR target/69442
6195         * combine.c (combine_instructions): For REG_EQUAL note with
6196         SET_DEST being ZERO_EXTRACT, also temporarily set SET_DEST
6197         to the underlying register.
6198         * doc/rtl.texi (REG_EQUAL): Document the behavior of
6199         REG_EQUAL/REG_EQUIV notes if SET_DEST is ZERO_EXTRACT.
6201 2016-01-26  Roger Ferrer Ibáñez  <rofirrim@gmail.com>
6203         PR target/67896
6204         * config/aarch64/aarch64-builtins.c
6205         (aarch64_init_simd_builtin_types): Do not set structural
6206         equality to __Poly{8,16,64,128}_t types.
6208 2016-01-26  Richard Sandiford  <richard.sandiford@arm.com>
6210         PR tree-optimization/69400
6211         * wide-int.cc (wi_pack): Take the precision as argument and
6212         perform canonicalization here rather than in the callers.
6213         Use the main loop to handle all full-width HWIs.  Add a
6214         zero HWI if in_len isn't a full result.
6215         (wi::divmod_internal): Update accordingly.
6216         (wi::mul_internal): Likewise.  Simplify.
6218 2016-01-25  Aditya Kumar  <aditya.k7@samsung.com>
6219             Sebastian Pop  <s.pop@samsung.com>
6221         * graphite-poly.c (apply_poly_transforms): Simplify.
6222         (print_isl_set): Use more readable format: ISL_YAML_STYLE_BLOCK.
6223         (print_isl_map): Same.
6224         (print_isl_union_map): Same.
6225         (print_isl_schedule): New.
6226         (debug_isl_schedule): New.
6227         * graphite-dependences.c (scop_get_reads): Do not call
6228         isl_union_map_add_map that is undocumented isl functionality.
6229         (scop_get_must_writes): Same.
6230         (scop_get_may_writes): Same.
6231         (scop_get_original_schedule): Remove.
6232         (scop_get_dependences): Do not call isl_union_map_compute_flow that
6233         is deprecated in isl 0.15.  Instead, use isl_union_access_* interface.
6234         (compute_deps): Remove.
6235         * graphite-isl-ast-to-gimple.c (print_schedule_ast): New.
6236         (debug_schedule_ast): New.
6237         (translate_isl_ast_to_gimple::scop_to_isl_ast): Call
6238         set_separate_option.
6239         (graphite_regenerate_ast_isl): Add dump.
6240         (translate_isl_ast_to_gimple::scop_to_isl_ast): Generate code
6241         from scop->transformed_schedule.
6242         (graphite_regenerate_ast_isl): Add more dump.
6243         * graphite-optimize-isl.c (optimize_isl): Set
6244         scop->transformed_schedule.  Check whether schedules are equal.
6245         (apply_poly_transforms): Move here.
6246         * graphite-poly.c (apply_poly_transforms): ... from here.
6247         (free_poly_bb): Static.
6248         (free_scop): Static.
6249         (pbb_number_of_iterations_at_time): Remove.
6250         (print_isl_ast): New.
6251         (debug_isl_ast): New.
6252         (debug_scop_pbb): New.
6253         * graphite-scop-detection.c (print_edge): Move.
6254         (print_sese): Move.
6255         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Remove.
6256         (build_scop_scattering): Remove.
6257         (create_pw_aff_from_tree): Assert instead of bailing out.
6258         (add_condition_to_pbb): Remove unused code, do not fail.
6259         (add_conditions_to_domain): Same.
6260         (add_conditions_to_constraints): Remove.
6261         (build_scop_context): New.
6262         (add_iter_domain_dimension): New.
6263         (build_iteration_domains): Initialize pbb->iterators.
6264         Call add_conditions_to_domain.
6265         (nested_in): New.
6266         (loop_at): New.
6267         (index_outermost_in_loop): New.
6268         (index_pbb_in_loop): New.
6269         (outermost_pbb_in): New.
6270         (add_in_sequence): New.
6271         (add_outer_projection): New.
6272         (outer_projection_mupa): New.
6273         (add_loop_schedule): New.
6274         (build_schedule_pbb): New.
6275         (build_schedule_loop): New.
6276         (embed_in_surrounding_loops): New.
6277         (build_schedule_loop_nest): New.
6278         (build_original_schedule): New.
6279         (build_poly_scop): Call build_original_schedule.
6280         * graphite.h: Declare print_isl_schedule and debug_isl_schedule.
6281         (free_poly_dr): Remove.
6282         (struct poly_bb): Add iterators.  Remove schedule, transformed, saved.
6283         (free_poly_bb): Remove.
6284         (debug_loop_vec): Remove.
6285         (print_isl_ast): Declare.
6286         (debug_isl_ast): Declare.
6287         (scop_do_interchange): Remove.
6288         (scop_do_strip_mine): Remove.
6289         (scop_do_block): Remove.
6290         (flatten_all_loops): Remove.
6291         (optimize_isl): Remove.
6292         (pbb_number_of_iterations_at_time): Remove.
6293         (debug_scop_pbb): Declare.
6294         (print_schedule_ast): Declare.
6295         (debug_schedule_ast): Declare.
6296         (struct scop): Remove schedule.  Add original_schedule,
6297         transformed_schedule.
6298         (free_gimple_poly_bb): Remove.
6299         (print_generated_program): Remove.
6300         (debug_generated_program): Remove.
6301         (unify_scattering_dimensions): Remove.
6302         * sese.c (print_edge): ... here.
6303         (print_sese): ... here.
6304         (debug_edge): ... here.
6305         (debug_sese): ... here.
6306         * sese.h (print_edge): Declare.
6307         (print_sese): Declare.
6308         (dump_edge): Declare.
6309         (dump_sese): Declare.
6311 2016-01-25  Aditya Kumar  <aditya.k7@samsung.com>
6312             Sebastian Pop  <s.pop@samsung.com>
6314         * Makefile.in: Set ISLVER in site.exp.
6316 2016-01-25  Jakub Jelinek  <jakub@redhat.com>
6318         * omp-low.c (lower_omp_target) <case USE_DEVICE_PTR>: Set
6319         DECL_VALUE_EXPR of new_var even for the non-array case.  Look
6320         through DECL_VALUE_EXPR for expansion.
6322 2016-01-25  Bernd Edlinger  <bernd.edlinger@hotmail.de>
6324         * config/mips/mips.c (mips_compute_frame_info): Skip re-computing
6325         the frame info after reload completed.
6327 2016-01-25  Jeff Law  <law@redhat.com>
6329         PR tree-optimization/69196
6330         PR tree-optimization/68398
6331         * tree-ssa-threadupdate.h (enum bb_dom_status): Moved here from
6332         tree-ssa-threadupdate.c.
6333         (determine_bb_domination_status): Prototype
6334         * tree-ssa-threadupdate.c (enum bb_dom_status): Remove
6335         (determine_bb_domination_status): No longer static.
6336         (valid_jump_thread_path): Remove code to detect characteristics
6337         of the jump thread path not associated with correctness.
6338         * tree-ssa-threadbackward.c (fsm_find_control_statment_thread_paths):
6339         Correct test for thread path length.  Count PHIs for real operands as
6340         statements that need to be copied.  Do not count ASSERT_EXPRs.
6341         Look at all the blocks in the thread path.  Compute and selectively
6342         filter thread paths based on threading through the latch, threading
6343         a multiway branch or crossing a multiway branch.
6345 2016-01-25  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
6347         * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled):  Add
6348         decl with __attribute__ ((unused)) annotation.
6350 2016-01-25  Ilya Enkovich  <enkovich.gnu@gmail.com>
6352         PR target/69421
6353         * tree-vect-stmts.c (vectorizable_condition): Check vectype
6354         of operands is compatible with a statement vectype.
6356 2016-01-25  Eric Botcazou  <ebotcazou@adacore.com>
6358         * doc/extend.texi (scalar_storage_order type attribute): Fix typo and
6359         improve wording for mixed storage order support.
6361 2016-01-25  Bilyan Borisov  <bilyan.borisov@arm.com>
6363         * config/aarch64/arm_neon.h (vcvt_s64_f64): New intrinsic.
6364         (vcvt_u64_f64): Likewise.
6365         (vcvta_s64_f64): Likewise.
6366         (vcvta_u64_f64): Likewise.
6367         (vcvtm_s64_f64): Likewise.
6368         (vcvtm_u64_f64): Likewise.
6369         (vcvtn_s64_f64): Likewise.
6370         (vcvtn_u64_f64): Likewise.
6371         (vcvtp_s64_f64): Likewise.
6372         (vcvtp_u64_f64): Likewise.
6374 2016-01-25  Claudiu Zissulescu  <claziss@synopsys.com>
6376         * config/arc/arc.c (TARGET_DWARF_REGISTER_SPAN): Define.
6377         (arc_init): Check validity mll64 option.
6378         (arc_save_restore): Use double load/store instruction.
6379         (arc_expand_movmem): Likewise.
6380         (arc_split_move): Don't split if we have double load/store
6381         instructions. Returns a boolean.
6382         (arc_process_double_reg_moves): Change function to return boolean
6383         instead of a sequence of instructions.
6384         (arc_dwarf_register_span): New function.
6385         * config/arc/arc-protos.h (arc_split_move): Change prototype.
6386         * config/arc/arc.h (TARGET_CPU_CPP_BUILTINS): Define __ARC_LL64__.
6387         * config/arc/arc.md (*movdi_insn): Emit ldd/std instructions.
6388         (*movdf_insn): Likewise.
6389         * config/arc/arc.opt (mll64): New option.
6390         * config/arc/predicates.md (even_register_operand): New predicate.
6391         * doc/invoke.texi (ARC Options): Add mll64 documentation.
6393 2016-01-25  Richard Biener  <rguenther@suse.de>
6395         PR lto/69393
6396         * dwarf2out.c (is_naming_typedef_decl): Not when DECL_NAMELESS.
6397         * tree-streamer-out.c (pack_ts_base_value_fields): Stream
6398         DECL_NAMELESS.
6399         * tree-streamer-in.c (unpack_ts_base_value_fields): Likewise.
6401 2016-01-25  Richard Biener  <rguenther@suse.de>
6403         PR tree-optimization/69376
6404         * tree-ssa-sccvn.h (struct vn_ssa_aux): Add range_info_anti_range_p
6405         flag.
6406         (VN_INFO_ANTI_RANGE_P): New inline.
6407         (VN_INFO_RANGE_TYPE): Likewise.
6408         * tree-ssa-sccvn.c (set_ssa_val_to): Also record and copy
6409         SSA_NAME_ANTI_RANGE_P.
6410         (free_scc_vn): Restore SSA_NAME_ANTI_RANGE_P.
6411         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
6412         Properly query VN_INFO_RANGE_TYPE.
6414 2016-01-25  Nick Clifton  <nickc@redhat.com>
6416         PR target/66655
6417         * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Remove definition.
6419 2016-01-23  Tom de Vries  <tom@codesourcery.com>
6421         PR tree-optimization/69426
6422         * tree-parloops.c (eliminate_local_variables_stmt): Handle vdef of
6423         removed clobber.
6425 2016-01-23  Jakub Jelinek  <jakub@redhat.com>
6427         * tree-ssanames.c (release_free_names_and_compact_live_names): Replace
6428         "the the" with "the" in the comments.
6429         * ipa-devirt.c (build_type_inheritance_graph,
6430         update_type_inheritance_graph): Likewise.
6431         * tree.c (build_function_type_list_1): Likewise.
6432         * cfgloopmanip.c (scale_loop_profile): Likewise.
6433         * tree-ssa-loop-ivopts.c (get_shiftadd_cost): Likewise.
6434         * gimple-ssa-split-paths.c
6435         (find_block_to_duplicate_for_splitting_paths): Likewise.
6436         * tree-sra.c (init_subtree_with_zero, clobber_subtree): Likewise.
6437         * expr.c (convert_move): Likewise.
6438         * var-tracking.c (vt_stack_adjustments): Likewise.
6439         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Likewise.
6440         * tree-vrp.c (test_for_singularity): Likewise.
6442         * tree-vect-stmts.c (vectorizable_condition): Build a VEC_COND_EXPR
6443         directly instead of building a temporary tree.
6445         PR bootstrap/69434
6446         * genrecog.c: Define INCLUDE_ALGORITHM before including system.h,
6447         remove <algorithm> include.
6449 2016-01-22  Jakub Jelinek  <jakub@redhat.com>
6451         PR target/69432
6452         * config/i386/i386.c: Include dojump.h.
6453         (expand_small_movmem_or_setmem,
6454         expand_set_or_movmem_prologue_epilogue_by_misaligned_moves): Spelling
6455         fixes.
6456         (ix86_expand_set_or_movmem): Call do_pending_stack_adjust () early
6457         if dynamic_check != -1.
6459 2016-01-21  Jeff Law  <law@redhat.com>
6461         PR middle-end/69347
6462         * tree-ssa-dom.c (back_propagate_equivalences): Factored out of
6463         record_temporary_equivalences.  Rewritten to avoid unnecessary calls
6464         into dominated_by_p.
6465         (cprop_into_successor_phis): Avoid unnecessary tests.
6467 2016-01-22  Richard Henderson  <rth@redhat.com>
6469         PR target/69416
6470         * config/aarch64/aarch64.md (UNSPEC_NZCV): New.
6471         (ccmp<mode>, fccmp<mode>, fccmpe<mode>): Use it.
6473 2016-01-22  Michael Matz  <matz@suse.de>
6475         * system.h (string, algorithm): Include only conditionally.
6476         (new): Include always under C++.
6477         * bb-reorder.c (toplevel): Define INCLUDE_ALGORITHM.
6478         * final.c (toplevel): Ditto.
6479         * ipa-chkp.c (toplevel): Define INCLUDE_STRING.
6480         * genconditions.c (write_header): Make gencondmd.c define
6481         INCLUDE_STRING.
6482         * mem-stats.h (mem_usage::print_dash_line): Don't use std::string.
6484         * config/aarch64/aarch64.c (toplevel): Define INCLUDE_STRING.
6485         * common/config/aarch64/aarch64-common.c (toplevel): Ditto.
6487 2016-01-22  Christian Bruel  <christian.bruel@st.com>
6489         PR target/68674
6490         * expr.c (expand_expr_real_1): Reset DECL_MODE if VECTOR_TYPE_P changed.
6492 2016-01-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6494         PR target/69403
6495         * config/arm/thumb2.md (*thumb2_ior_scc_strict_it): Convert to
6496         define_insn_and_split.  Ensure operands[1] and operands[0] do not
6497         get assigned the same register.
6499 2016-01-22  Kugan Vivekanandarajah  <kuganv@linaro.org>
6501         * ipa-prop.c (ipa_set_jf_constant): Remove redundant unshare_expr.
6503 2016-01-22  Christian Bruel  <christian.bruel@st.com>
6505         * config/arm/arm-c.c (arm_pragma_target_parse):
6506         Remove warn_builtin_macro_redefined overwrite.
6508 2016-01-22  Eric Botcazou  <ebotcazou@adacore.com>
6510         * ipa-inline.c (can_inline_edge_p): Back out overzealous check on
6511         flag_non_call_exceptions compatibility.
6513 2016-01-22  Jakub Jelinek  <jakub@redhat.com>
6515         PR debug/66668
6516         * dwarf2out.c (add_child_die_after): New function.
6517         (dwarf_qual_info_t): New type.
6518         (dwarf_qual_info): New variable.
6519         (qualified_die_p): New function.
6520         (modified_type_die): For -fdebug-types-section, ensure
6521         canonical order of qualifiers.  Put qualified DIEs adjacent
6522         to the corresponding non-qualified type DIE and search there
6523         for existing qualified DIEs.
6525 2016-01-22  Eric Botcazou  <ebotcazou@adacore.com>
6527         * doc/extend.texi (scalar_storage_order type attribute): Document
6528         restriction on type punning and aliasing, and remove future tense.
6530 2016-01-21  Roman Zhuykov  <zhroma@ispras.ru>
6532         PR target/69252
6533         * modulo-sched.c (optimize_sc): Allow branch-scheduling to add a new
6534         first stage.
6536 2016-01-21  Jeff Law  <law@redhat.com>
6538         PR middle-end/69347
6539         * tree-ssa-dom.c (dom_opt_dom_walker::thread_across_edge): Avoid
6540         useless call to record_temporary_equivalences.
6541         * tree-ssa-threadbackward.c (find_jump_threads_backwards): Just
6542         allocate 10 slots in the bb_path vector and let it grow as needed.
6543         (fsm_find_control_statement_thread_paths): Similarly for the next_path
6544         vector.
6546 2016-01-21  David Edelsohn  <dje.gcc@gmail.com>
6548         * configure.ac (gcc_cv_as_powerpc_mfcrf, gcc_cv_as_machine_directive):
6549         Detangle.
6550         * configure: Regenerate.
6552 2016-01-21  Pat Haugen  <pthaugen@us.ibm.com>
6554         * config/rs6000/aix71.h (ASM_CPU_SPEC): Add entry for Power9.
6555         * config/rs6000/driver-rs6000.c (struct asm_names): Likewise.
6557 2016-01-21  Bernd Schmidt  <bschmidt@redhat.com>
6559         PR middle-end/66178
6560         * expr.c (expand_expr_real_2) [PLUS_EXPR, MINUS_EXPR]: Don't
6561         drop EXPAND_INITIALIZER.
6562         * rtl.h (contains_symbolic_reference_p): Declare.
6563         * rtlanal.c (contains_symbolic_reference_p): New function.
6564         * simplify-rtx.c (simplify_binary_operation_1): Don't turn
6565         a subtraction into a NOT if symbolic constants are involved.
6567 2016-01-21  Anton Blanchard  <anton@samba.org>
6568             Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
6570         PR target/63354
6571         * config/rs6000/linux64.h (TARGET_KEEP_LEAF_WHEN_PROFILED): New
6572         #define.
6573         * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled): New
6574         function.
6576 2016-01-21  Ajit Agarwal  <ajitkum@xilinx.com>
6578         * config/microblaze/microblaze.c
6579         (get_branch_target): New.
6580         (insert_wic_for_ilb_runout): New.
6581         (insert_wic): New.
6582         (microblaze_machine_dependent_reorg): New.
6583         (TARGET_MACHINE_DEPENDENT_REORG): Define macro.
6584         * config/microblaze/microblaze.md
6585         (UNSPEC_IPREFETCH): Define.
6586         (iprefetch): New pattern
6587         * config/microblaze/microblaze.opt
6588         (mxl-prefetch): New flag.
6590 2016-01-21  Ajit Agarwal  <ajitkum@xilinx.com>
6592         * config/microblaze/microblaze.h
6593         (FIXED_REGISTERS): Update in macro.
6594         (CALL_USED_REGISTERS): Update in macro.
6596 2016-01-21  Yuri Rumyantsev  <ysrumyan@gmail.com>
6598         PR rtl-optimization/68920
6599         * ifcvt.c (cond_move_process_if_block): Limit number of conditional
6600         moves.
6602 2016-01-21  Vladimir Makarov  <vmakarov@redhat.com>
6604         PR rtl-optimization/68990
6605         * lra-coalesce.c (lra_coalesce): Invalidate value for the result
6606         pseudo instead of inheritance ones.
6608 2016-01-21  Bernd Edlinger  <bernd.edlinger@hotmail.de>
6609             Nick Clifton  <nickc@redhat.com>
6611         PR target/69129
6612         PR target/69012
6613         * config/mips/mips.c (mips_compute_frame_info): Initialise
6614         args_size and hard_frame_pointer_offset fields of the frame
6615         structure before calling mips_global_pointer.
6617 2016-01-21  David Edelsohn  <dje.gcc@gmail.com>
6619         * configure.ac (gcc_cv_as_dwloc): Test support for debug frame section
6620         label reference.
6621         * configure: Regenerate.
6623 2016-01-21  Richard Biener  <rguenther@suse.de>
6625         * graphite-optimize-isl.c (get_schedule_map): Fix typo.
6627 2016-01-21  Marcin Kościelnicki  <koriakin@0x04.net>
6629         * config/s390/s390.c (s390_asm_declare_function_size): Add code
6630         to actually emit the .size directive.
6632 2016-01-21   Stefan Sørensen  <stefan.sorensen@spectralink.com>
6633              Jakub Jelinek  <jakub@redhat.com>
6635         PR target/69187
6636         PR target/65624
6637         * config/arm/arm-builtins.c (arm_expand_neon_builtin): Increase
6638         args array size by one to avoid buffer overflow.
6640 2016-01-21  Marcin Kościelnicki  <koriakin@0x04.net>
6642         * config/s390/s390.md (pool_section_start): Use switch_to_section
6643         to select proper read-only data section instead of hardcoding
6644         .rodata.
6645         (pool_section_end): Use switch_to_section to match the above.
6647 2016-01-21  Richard Biener  <rguenther@suse.de>
6649         PR tree-optimization/69378
6650         * tree-ssa-sccvn.c (dominated_by_p_w_unex): New function.
6651         (set_ssa_val_to): Use it for dominance checks taking into
6652         account not executable edges.
6654 2016-01-21  Jakub Jelinek  <jakub@redhat.com>
6656         PR c++/69355
6657         * tree-dfa.c (get_ref_base_and_extent): Use GET_MODE_BITSIZE (mode)
6658         for bitsize instead of GET_MODE_PRECISION (mode).
6660 2016-01-20  Martin Sebor  <msebor@redhat.com>
6662         PR c/52291
6663         * extend.texi (__sync Builtins): Clarify the semantics of
6664         __sync_fetch_and_OP built-ins on pointers.
6665         (__atomic Builtins): Same.
6667 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
6668             Sebastian Pop  <s.pop@samsung.com>
6670         * graphite-isl-ast-to-gimple.c (enum phi_node_kind): New.
6671         (class translate_isl_ast_to_gimple): Use phi_node_kind instead of bool.
6672         (is_valid_rename): Same.
6673         (translate_isl_ast_to_gimple::get_rename): Same.
6674         (translate_isl_ast_to_gimple::rename_all_uses): Same.
6675         (translate_isl_ast_to_gimple::rename_uses): Same.
6676         (get_new_name): Check for close_phi nodes.
6677         (copy_loop_phi_args): Use phi_node_kind.
6678         (translate_isl_ast_to_gimple::copy_loop_close_phi_args): Same.
6679         (translate_isl_ast_to_gimple::copy_cond_phi_args): Same.
6681 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
6682             Sebastian Pop  <s.pop@samsung.com>
6684         Revert commit r229783.
6685         * graphite-isl-ast-to-gimple.c (gcc_expression_from_isl_ast_expr_id):
6686         Remove use of parameter_rename_map.
6687         (copy_def): Remove.
6688         (copy_internal_parameters): Remove.
6689         (graphite_regenerate_ast_isl): Remove call to copy_internal_parameters.
6690         * sese.c (new_sese_info): Do not initialize parameter_rename_map.
6691         (free_sese_info): Do not free parameter_rename_map.
6692         (set_rename): Do not use parameter_rename_map.
6693         (rename_uses): Update call to set_rename.
6694         (graphite_copy_stmts_from_block): Do not use parameter_rename_map.
6695         * sese.h (parameter_rename_map_t): Remove.
6696         (struct sese_info_t): Remove field parameter_rename_map.
6698 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
6699             Sebastian Pop  <s.pop@samsung.com>
6701         * graphite-isl-ast-to-gimple.c: Fix comment.
6702         * graphite-scop-detection.c (defined_in_loop_p): New.
6703         (canonicalize_loop_closed_ssa): Do not add close phi nodes for SSA
6704         names defined in loop.
6706 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
6707             Sebastian Pop  <s.pop@samsung.com>
6709         * graphite-scop-detection.c (scop_detection::harmful_loop_in_region):
6710         Discard unstructured if-then-else regions.
6712 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
6713             Sebastian Pop  <s.pop@samsung.com>
6715         * graphite-sese-to-poly.c (set_scop_parameter_dim): Remove.
6716         (cleanup_loop_iter_dom): Remove.
6717         (build_loop_iteration_domains): Remove.
6718         (build_scop_context): Remove.
6719         (build_scop_iteration_domain): Remove.
6720         (add_loop_constraints): New.
6721         (build_iteration_domains): New.
6722         (build_poly_scop): Call build_iteration_domains.
6724 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
6725             Sebastian Pop  <s.pop@samsung.com>
6727         * graphite-scop-detection.c
6728         (scop_detection::harmful_loop_in_region): Free dom and loops.
6729         (scop_detection::loop_body_is_valid_scop): Free bbs.
6731 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
6732             Sebastian Pop  <s.pop@samsung.com>
6734         * graphite-scop-detection.c (record_loop_in_sese): New.
6735         (gather_bbs::before_dom_children): Call record_loop_in_sese.
6736         (build_scops): Remove call to build_sese_loop_nests.
6737         * sese.c (sese_record_loop): Remove.
6738         (build_sese_loop_nests): Remove.
6739         (new_sese_info): Remove region->loops.
6740         (free_sese_info): Same.
6741         * sese.h (sese_contains_loop): Same.
6742         (build_sese_loop_nests): Remove.
6743         (sese_contains_loop): Remove.
6745 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
6746             Sebastian Pop  <s.pop@samsung.com>
6748         * graphite-scop-detection.c (loop_is_valid_scop): Renamed
6749         loop_is_valid_in_scop.
6750         (scop_detection::harmful_stmt_in_region): Renamed
6751         harmful_loop_in_region.
6752         Call loop_is_valid_in_scop.
6754 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
6755             Sebastian Pop  <s.pop@samsung.com>
6757         * graphite-isl-ast-to-gimple.c (translate_isl_ast): Also handle
6758         isl_ast_node_mark.
6760 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
6761             Sebastian Pop  <s.pop@samsung.com>
6763         * graphite-poly.c (new_poly_bb): Remove use of PBB_IS_REDUCTION.
6764         * graphite.h (struct poly_bb): Remove field is_reduction.
6765         (PBB_IS_REDUCTION): Remove.
6767 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
6768             Sebastian Pop  <s.pop@samsung.com>
6770         * graphite-dependences.c (constrain_domain): Add call to isl_*_coalesce.
6771         (add_pdr_constraints): Same.
6772         (scop_get_reads): Same.
6773         (scop_get_must_writes): Same.
6774         (scop_get_may_writes): Same.
6775         (scop_get_original_schedule): Same.
6776         (extend_schedule): Same.
6777         (apply_schedule_on_deps): Same.
6778         (carries_deps): Same.
6779         (compute_deps): Same.
6780         (scop_get_dependences): Same.
6781         * graphite-isl-ast-to-gimple.c
6782         (translate_isl_ast_to_gimple::generate_isl_schedule): Same.
6783         * graphite-optimize-isl.c (get_schedule_for_band): Same.
6784         (get_schedule_for_band_list): Same.
6785         (get_schedule_map): Same.
6786         (apply_schedule_map_to_scop): Same.
6787         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
6788         (build_loop_iteration_domains): Same.
6789         (add_condition_to_pbb): Same.
6790         (add_param_constraints): Same.
6791         (pdr_add_memory_accesses): Same.
6792         (pdr_add_data_dimensions): Same.
6794 2016-01-20  Sandra Loosemore  <sandra@codesourcery.com>
6796         * doc/invoke.texi (Instrumentation Options): Clarify -mmpx linking
6797         requirements.
6799 2016-01-20  Sandra Loosemore  <sandra@codesourcery.com>
6801         * common.opt (feliminate-dwarf2-dups): Replace references to
6802         "DWARF 2" with just "DWARF".
6803         * config/ia64/ia64.opt (mdwarf2-asm): Likewise.
6804         * doc/extend.texi: Likewise.
6805         * doc/cpp.texi: Likewise.
6806         * doc/invoke.texi: Likewise.
6807         (Option Summary): Add -gdwarf to list of Debugging Options.
6808         (Debugging Options): Document -gdwarf.
6809         * doc/contrib.texi: Spell "DWARF" like that.
6811 2016-01-21  Jakub Jelinek  <jakub@redhat.com>
6813         * omp-low.c (expand_omp_target): Avoid -Wmaybe-uninitialized
6814         warning.  Fix up formatting.
6816         PR middle-end/67653
6817         * gimplify.c (gimplify_asm_expr): Warn if it is too late to
6818         attempt to mark memory input operand addressable and
6819         call prepare_gimple_addressable in that case.  Don't adjust
6820         input_location for diagnostics, use error_at instead.
6822 2016-01-20  Peter Bergner  <bergner@vnet.ibm.com>
6824         * config/rs6000/ppc-auxv.h: New file.
6825         * config/rs6000/rs6000-builtin.def (cpu_init): Add new builtin.
6826         (cpu_is): Likewise.
6827         (cpu_supports): Likewise.
6828         * config/rs6000/rs6000.c: include "ppc-auxv.h".
6829         (cpu_is_info): New variable.
6830         (cpu_supports_info): Likewise.
6831         (tcb_verification_symbol): Likewise.
6832         (cpu_builtin_p): Likewise.
6833         (cpu_expand_builtin): New function.
6834         (rs6000_expand_ternop_builtin): Add support for CPU builtin functions.
6835         (rs6000_init_builtins): Likewise.
6836         (rs6000_elf_file_end): Emit HWCAP in TCB verification symbol.
6837         * config/rs6000/rs6000.h (TLS_REGNUM): New define.
6838         * configure.ac (gcc_cv_libc_provides_hwcap_in_tcb): New test.
6839         * configure: Regenerate.
6840         * config.in: Likewise.
6841         * doc/extend.texi (PowerPC Built-in Functions): Document
6842         __builtin_cpu_init, __builtin_cpu_is and __builtin_cpu_supports.
6844 2016-01-20  David Edelsohn  <dje.gcc@gmail.com>
6846         PR target/68609
6847         * config/rs6000/rs6000.c (rs6000_emit_swsqrt): Add vector sqrt
6848         domain check.
6849         * config/rs6000/vector.md (sqrt<mode>2): Call rs6000_emit_swsqrt
6850         for V4SFmode.
6852 2016-01-20  Richard Henderson  <rth@redhat.com>
6854         PR bootstrap/69343
6855         PR bootstrap/69339
6856         PR tree-opt/68964
6857         Revert:
6858         * tree.c (tm_define_builtin): New.
6859         (find_tm_vector_type): New.
6860         (build_tm_vector_builtins): New.
6861         (build_common_builtin_nodes): Call it.
6863 2016-01-20  Christophe Lyon  <christophe.lyon@linaro.org>
6865         * doc/sourcebuild.texi (arm_crypto_pragma_ok): Document new entry.
6866         (arm_fp_ok): Likewise.
6867         (arm_fp): Likewise.
6868         (arm_crypto): Likewise.
6870 2016-01-20  Ilya Enkovich  <enkovich.gnu@gmail.com>
6871             Richard Biener  <rguenther@suse.de>
6873         PR tree-optimization/69328
6874         * tree-vect-stmts.c (vect_is_simple_cond): Check compared
6875         vectors have same number of elements.
6876         (vectorizable_condition): Fix masked version recognition.
6878 2016-01-20  Richard Biener  <rguenther@suse.de>
6880         PR tree-optimization/69345
6881         * tree-ssa-sccvn.h (VN_INFO_RANGE_INFO): New inline function.
6882         (VN_INFO_PTR_INFO): Likewise.
6883         * tree-ssa-sccvn.c (set_ssa_val_to): Avoid clearing points-to
6884         info when it is equal between non-dominating SSA names.
6885         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
6886         Make sure to look at original SSA infos.
6888 2016-01-20  Jeff Law  <law@redhat.com>
6890         PR target/25114
6891         * config/m68k/predicates.md (pow2_m1_operand): New predicate
6892         extracted from ...
6893         (reg_or_pow2_m1_operand): Call pow2_m1_operand.
6894         (pc_or_label_operand): New predicate.
6895         * config/m68k/m68k.md: Add new peephole2 patterns for GTU/LEU
6896         tests for small integers that are 2^n - 1.
6898 2016-01-20  Jonathan Wakely  <jwakely@redhat.com>
6900         * doc/invoke.texi (Options Summary): Add '.' after @xref.
6902 2016-01-19  Jeff Law  <law@redhat.com>
6904         PR middle-end/69347
6905         * tree-ssa-threadbackwards.c
6906         (fsm_find_control_statement_thread_paths): Do not try to lookup
6907         FSM paths for SSA_NAMEs appearing in abnormal PHIs.
6909 2016-01-20  Kugan Vivekanandarajah  <kuganv@linaro.org>
6911         * doc/lto.texi: Remove text that says only Gold has linker plugin
6912         support.
6914 2016-01-19  Eric Botcazou  <ebotcazou@adacore.com>
6916         * dwarf2out.c (need_endianity_attribute_p): New inline predicate.
6917         (base_type_die): Add REVERSE parameter and attach DW_AT_endianity to
6918         the DIE accordingly.
6919         (modified_type_die): Add REVERSE parameter and pass it recursively,
6920         as well as to base_type_die.  Adjust presence check accordingly.
6921         (base_type_for_mode): Adjust call to modified_type_die.
6922         (add_type_attribute): Add REVERSE parameter and pass it to
6923         modified_type_die.
6924         (generic_parameter_die): Adjust call to add_type_attribute.
6925         (add_scalar_info): Likewise.
6926         (add_subscript_info): Likewise.
6927         (gen_array_type_die): Likewise.
6928         (gen_descr_array_type_die): Likewise.
6929         (gen_entry_point_die): Likewise.
6930         (gen_enumeration_type_die): Likewise.
6931         (gen_formal_parameter_die): Likewise.
6932         (gen_subprogram_die): Likewise.
6933         (gen_variable_die ): Likewise.
6934         (gen_const_die): Likewise.
6935         (gen_field_die): Likewise.
6936         (gen_pointer_type_die): Likewise.
6937         (gen_reference_type_die): Likewise.
6938         (gen_ptr_to_mbr_type_die): Likewise.
6939         (gen_inheritance_die): Likewise.
6940         (gen_subroutine_type_die): Likewise.
6941         (gen_typedef_die): Likewise.
6942         (force_type_die): Adjust call to modified_type_die.
6944 2016-01-19  Sandra Loosemore  <sandra@codesourcery.com>
6946         * doc/standards.texi: Copy-editing for grammar, markup, and sentence
6947         flow throughout the file.  Fix broken link to Objective-C 2.0
6948         documentation.
6949         * doc/invoke.texi: More copy-editing; fix numerous typos and spelling
6950         errors.
6952 2016-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
6954         * ccmp.c (expand_ccmp_expr_1): Avoid spurious unused warnings.
6956 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
6958         PR ipa/66223
6959         * ipa-devirt.c (is_cxa_pure_virtual_p): New function.
6960         (maybe_record_node): Record cxa_pure_virtual as the only possible
6961         target if there are not ohter candidates.
6962         (possible_polymorphic_call_target_p): Accept cxa_pure_virtual.
6964 2016-01-19  Richard Biener  <rguenther@suse.de>
6966         * hsa-gen.c (get_memory_order_name): Use MEMMODEL_ constants.
6967         (get_memory_order): Likewise.
6969 2016-01-19  Kirill Yukhin  <kirill.yukhin@intel.com>
6971         * tree-vect-stmts.c (vectorizable_store): Check
6972         rhs vectype.
6974 2016-01-19  David Malcolm  <dmalcolm@redhat.com>
6976         PR jit/68446
6977         * gcc.c (driver::decode_argv): Add call to
6978         init_opts_obstack before init_options_struct.
6979         * opts.c (init_opts_obstack): Remove idempotency.
6980         (init_options_struct): Replace call to init_opts_obstack
6981         with a gcc_assert to verify that it has already been called.
6982         * toplev.c (toplev::main): Add call to init_opts_obstack before
6983         calls to init_options_struct.
6984         (toplev::finalize): Move cleanup of opts_obstack next to
6985         cleanup of save_decoded_options, clearing the latter, and
6986         save_decoded_options_count.
6988 2016-01-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6990         PR target/69135
6991         * config/arm/vfp.md (l<vrint_pattern><su_optab><mode>si2): Set "conds"
6992         attribute to unconditional.  Remove %? from output template.
6994 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
6995             Jiong Wang  <jiong.wang@arm.com>
6997         * ccmp.c (expand_ccmp_expr_1): Cost the instruction sequences
6998         generated from different expand order.
7000 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
7002         * /config/aarch64/aarch64.c (aarch64_if_then_else_costs):
7003         Add support for CCMP costing.
7005 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
7007         * ccmp.c (ccmp_candidate_p): Remove integer-only restriction.
7008         * config/aarch64/aarch64.md (fccmp<mode>): New pattern.
7009         (fccmpe<mode>): Likewise.
7010         (fcmp): Rename to fcmp and globalize pattern.
7011         (fcmpe): Likewise.
7012         * config/aarch64/aarch64.c (aarch64_gen_ccmp_first): Add FP support.
7013         (aarch64_gen_ccmp_next): Add FP support.
7015 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
7017         * target.def (gen_ccmp_first): Update documentation.
7018         (gen_ccmp_next): Likewise.
7019         * doc/tm.texi (gen_ccmp_first): Update documentation.
7020         (gen_ccmp_next): Likewise.
7021         * ccmp.c (expand_ccmp_expr): Extract cmp_code from return value of
7022         expand_ccmp_expr_1.  Improve comments.
7023         * config/aarch64/aarch64.md (ccmp_and): Use if_then_else for ccmp.
7024         (ccmp_ior<mode>): Remove pattern.
7025         (cmp<mode>): Remove expand.
7026         (cmp): Globalize pattern.
7027         (cstorecc4): Use cc_register.
7028         (mov<mode>cc): Remove ccmp_cc_register check.
7029         * config/aarch64/aarch64.c (aarch64_get_condition_code_1):
7030         Simplify after removal of CC_DNE/* modes.
7031         (aarch64_ccmp_mode_to_code): Remove.
7032         (aarch64_print_operand): Remove 'K' case.  Merge 'm' and 'M' cases.
7033         In 'k' case use integer as condition.
7034         (aarch64_nzcv_codes): Remove inverted cases.
7035         (aarch64_code_to_ccmode): Remove.
7036         (aarch64_gen_ccmp_first): Use cmp pattern directly.  Return the correct
7037         comparison with CC register to be used in folowing CCMP/branch/CSEL.
7038         (aarch64_gen_ccmp_next): Use previous comparison and mode in CCMP
7039         pattern.  Return the comparison with CC register.  Invert conditions
7040         when bitcode is OR.
7041         * config/aarch64/aarch64-modes.def: Remove CC_DNE/* modes.
7042         * config/aarch64/predicates.md (ccmp_cc_register): Remove.
7044 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
7046         * cgraphunit.c (cgraph_node::reset): Clear thunk info and
7047         instrumented_version.
7049 2016-01-19  Richard Biener  <rguenther@suse.de>
7051         PR tree-optimization/69336
7052         * tree-ssa-scopedtables.c (avail_expr_hash): Handle all
7053         handled components with get_ref_base_and_extent.
7054         (equal_mem_array_ref_p): Adjust.
7056 2016-01-19  Jakub Jelinek  <jakub@redhat.com>
7058         PR debug/65779
7059         * shrink-wrap.c: Include valtrack.h.
7060         (move_insn_for_shrink_wrap): Add DEBUG argument.  If
7061         MAY_HAVE_DEBUG_INSNS, call dead_debug_add on DEBUG_INSNs
7062         in between insn and where it will be moved to.  Call
7063         dead_debug_insert_temp.
7064         (prepare_shrink_wrap): Adjust caller.  Call dead_debug_local_init
7065         first and dead_debug_local_finish at the end.
7066         For uses and defs bitmap, handle all regs in between REGNO and
7067         END_REGNO, not just the first one.
7069 2016-01-19  Richard Biener  <rguenther@suse.de>
7071         PR tree-optimization/69352
7072         * tree-ssa-scopedtables.c (avail_expr_hash): Check for size == -1.
7073         (equal_mem_array_ref_p): Constrain size and max size properly.
7074         Compare the reverse flag.
7076 2016-01-19  Bernd Schmidt  <bschmidt@redhat.com>
7078         * ira.c (ira): Update regstat data if we deleted insns.
7080 2016-01-19  Jakub Jelinek  <jakub@redhat.com>
7082         PR rtl-optimization/68955
7083         PR rtl-optimization/64557
7084         * dse.c (record_store, check_mem_read_rtx): Don't call get_addr
7085         here.  Fix up formatting.
7086         * alias.c (get_addr): Handle VALUE +/- CONST_SCALAR_INT_P.
7088 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
7090         PR lto/69133
7091         * cgraphunit.c (cgraph_node::expand_thunk): When forcing gimple
7092         assume that the node has body.
7093         * cgraph.c (cgraph_node::get_untransformed_body): Use gimple_body_p
7094         check.
7096 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
7098         * lto-streamer-out.c (lto_output): Do not stream instrumentation
7099         thunks.
7101 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
7103         * symtab.c (symtab_node::asm_name): Do not call printable name directly.
7104         (symtab_node::name): Report name as unnamed if DECL_NAME is not set.
7106 2016-01-19  Martin Jambor  <mjambor@suse.cz>
7107             Martin Liska  <mliska@suse.cz>
7108             Michael Matz  <matz@suse.de>
7110         * Makefile.in (OBJS): Add new source files.
7111         (GTFILES): Add hsa.c.
7112         * common.opt (disable_hsa): New variable.
7113         (-Whsa): New warning.
7114         * config.in (ENABLE_HSA): New.
7115         * configure.ac: Treat hsa differently from other accelerators.
7116         (OFFLOAD_TARGETS): Define ENABLE_OFFLOADING according to
7117         $enable_offloading.
7118         (ENABLE_HSA): Define ENABLE_HSA according to $enable_hsa.
7119         * doc/install.texi (Configuration): Document --with-hsa-runtime,
7120         --with-hsa-runtime-include, --with-hsa-runtime-lib and
7121         --with-hsa-kmt-lib.
7122         * doc/invoke.texi (-Whsa): Document.
7123         (hsa-gen-debug-stores): Likewise.
7124         * lto-wrapper.c (compile_images_for_offload_targets): Do not attempt
7125         to invoke offload compiler for hsa acclerator.
7126         * opts.c (common_handle_option): Determine whether HSA offloading
7127         should be performed.
7128         * params.def (PARAM_HSA_GEN_DEBUG_STORES): New parameter.
7129         * builtin-types.def (BT_FN_VOID_UINT_PTR_INT_PTR): New.
7130         (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_INT_INT): Removed.
7131         (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_PTR): New.
7132         * gimple-low.c (lower_stmt): Also handle GIMPLE_OMP_GRID_BODY.
7133         * gimple-pretty-print.c (dump_gimple_omp_for): Also handle
7134         GF_OMP_FOR_KIND_GRID_LOOP.
7135         (dump_gimple_omp_block): Also handle GIMPLE_OMP_GRID_BODY.
7136         (pp_gimple_stmt_1): Likewise.
7137         * gimple-walk.c (walk_gimple_stmt): Likewise.
7138         * gimple.c (gimple_build_omp_grid_body): New function.
7139         (gimple_copy): Also handle GIMPLE_OMP_GRID_BODY.
7140         * gimple.def (GIMPLE_OMP_GRID_BODY): New.
7141         * gimple.h (enum gf_mask): Added GF_OMP_PARALLEL_GRID_PHONY,
7142         GF_OMP_FOR_KIND_GRID_LOOP, GF_OMP_FOR_GRID_PHONY and
7143         GF_OMP_TEAMS_GRID_PHONY.
7144         (gimple_statement_omp_single_layout): Updated comments.
7145         (gimple_build_omp_grid_body): New function.
7146         (gimple_has_substatements): Also handle GIMPLE_OMP_GRID_BODY.
7147         (gimple_omp_for_grid_phony): New function.
7148         (gimple_omp_for_set_grid_phony): Likewise.
7149         (gimple_omp_parallel_grid_phony): Likewise.
7150         (gimple_omp_parallel_set_grid_phony): Likewise.
7151         (gimple_omp_teams_grid_phony): Likewise.
7152         (gimple_omp_teams_set_grid_phony): Likewise.
7153         (gimple_return_set_retbnd): Also handle GIMPLE_OMP_GRID_BODY.
7154         * omp-builtins.def (BUILT_IN_GOMP_OFFLOAD_REGISTER): New.
7155         (BUILT_IN_GOMP_OFFLOAD_UNREGISTER): Likewise.
7156         (BUILT_IN_GOMP_TARGET): Updated type.
7157         * omp-low.c: Include symbol-summary.h, hsa.h and params.h.
7158         (adjust_for_condition): New function.
7159         (get_omp_for_step_from_incr): Likewise.
7160         (extract_omp_for_data): Moved parts to adjust_for_condition and
7161         get_omp_for_step_from_incr.
7162         (build_outer_var_ref): Handle GIMPLE_OMP_GRID_BODY.
7163         (fixup_child_record_type): Bail out if receiver_decl is NULL.
7164         (scan_sharing_clauses): Handle OMP_CLAUSE__GRIDDIM_.
7165         (scan_omp_parallel): Do not create child functions for phony
7166         constructs.
7167         (check_omp_nesting_restrictions): Handle GIMPLE_OMP_GRID_BODY.
7168         (scan_omp_1_op): Checking assert we are not remapping to
7169         ERROR_MARK.  Also also handle GIMPLE_OMP_GRID_BODY.
7170         (parallel_needs_hsa_kernel_p): New function.
7171         (expand_parallel_call): Register apprpriate parallel child
7172         functions as HSA kernels.
7173         (grid_launch_attributes_trees): New type.
7174         (grid_attr_trees): New variable.
7175         (grid_create_kernel_launch_attr_types): New function.
7176         (grid_insert_store_range_dim): Likewise.
7177         (grid_get_kernel_launch_attributes): Likewise.
7178         (get_target_argument_identifier_1): Likewise.
7179         (get_target_argument_identifier): Likewise.
7180         (get_target_argument_value): Likewise.
7181         (push_target_argument_according_to_value): Likewise.
7182         (get_target_arguments): Likewise.
7183         (expand_omp_target): Call get_target_arguments instead of looking
7184         up for teams and thread limit.
7185         (grid_expand_omp_for_loop): New function.
7186         (grid_arg_decl_map): New type.
7187         (grid_remap_kernel_arg_accesses): New function.
7188         (grid_expand_target_kernel_body): New function.
7189         (expand_omp): Call it.
7190         (lower_omp_for): Do not emit phony constructs.
7191         (lower_omp_taskreg): Do not emit phony constructs but create for them
7192         a temporary variable receiver_decl.
7193         (lower_omp_taskreg): Do not emit phony constructs.
7194         (lower_omp_teams): Likewise.
7195         (lower_omp_grid_body): New function.
7196         (lower_omp_1): Call it.
7197         (grid_reg_assignment_to_local_var_p): New function.
7198         (grid_seq_only_contains_local_assignments): Likewise.
7199         (grid_find_single_omp_among_assignments_1): Likewise.
7200         (grid_find_single_omp_among_assignments): Likewise.
7201         (grid_find_ungridifiable_statement): Likewise.
7202         (grid_target_follows_gridifiable_pattern): Likewise.
7203         (grid_remap_prebody_decls): Likewise.
7204         (grid_copy_leading_local_assignments): Likewise.
7205         (grid_process_kernel_body_copy): Likewise.
7206         (grid_attempt_target_gridification): Likewise.
7207         (grid_gridify_all_targets_stmt): Likewise.
7208         (grid_gridify_all_targets): Likewise.
7209         (execute_lower_omp): Call grid_gridify_all_targets.
7210         (make_gimple_omp_edges): Handle GIMPLE_OMP_GRID_BODY.
7211         * tree-core.h (omp_clause_code): Added OMP_CLAUSE__GRIDDIM_.
7212         (tree_omp_clause): Added union field dimension.
7213         * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE__GRIDDIM_.
7214         * tree.c (omp_clause_num_ops): Added number of arguments of
7215         OMP_CLAUSE__GRIDDIM_.
7216         (omp_clause_code_name): Added name of OMP_CLAUSE__GRIDDIM_.
7217         (walk_tree_1): Handle OMP_CLAUSE__GRIDDIM_.
7218         * tree.h (OMP_CLAUSE_GRIDDIM_DIMENSION): New.
7219         (OMP_CLAUSE_SET_GRIDDIM_DIMENSION): Likewise.
7220         (OMP_CLAUSE_GRIDDIM_SIZE): Likewise.
7221         (OMP_CLAUSE_GRIDDIM_GROUP): Likewise.
7222         * passes.def: Schedule pass_ipa_hsa and pass_gen_hsail.
7223         * tree-pass.h (make_pass_gen_hsail): Declare.
7224         (make_pass_ipa_hsa): Likewise.
7225         * ipa-hsa.c: New file.
7226         * lto-section-in.c (lto_section_name): Add hsa section name.
7227         * lto-streamer.h (lto_section_type): Add hsa section.
7228         * timevar.def (TV_IPA_HSA): New.
7229         * hsa-brig-format.h: New file.
7230         * hsa-brig.c: New file.
7231         * hsa-dump.c: Likewise.
7232         * hsa-gen.c: Likewise.
7233         * hsa.c: Likewise.
7234         * hsa.h: Likewise.
7235         * toplev.c (compile_file): Call hsa_output_brig.
7236         * hsa-regalloc.c: New file.
7238 2016-01-18  Jeff Law  <law@redhat.com>
7240         PR tree-optimization/69320
7241         * tree-ssa-dom.c (record_edge_info): For comparisons against a boolean
7242         ranged object, do nothing if the RHS constant is not [0..1].
7243         (optimize_stmt): Comparing a boolean ranged object against a
7244         constant outside [0..1] results in a compile-time constant.
7246         * tree-ssanames.c (ssa_name_has_boolean_range): Remove unnecessary
7247         test.
7249 2016-01-18  Sandra Loosemore  <sandra@codesourcery.com>
7251         * doc/invoke.texi (Invoking GCC): Add new section to menu.
7252         (Option Summary): Update to reflect new section and moved options.
7253         (C++ Dialect Options): Move -fstats to new section.
7254         (Debugging Options): Move all dump, statistics, and other GCC
7255         developer options to new section.  Rewrite section introduction
7256         and re-order remaining options to put the more basic ones first.
7257         (Optimization Options): Move -fira-verbose and -flto-report* to
7258         new section.
7259         (Developer Options): New section incorporating moved options.
7260         * doc/cppopts.texi (-dM): Update cross-reference.
7262 2016-01-18  Richard Henderson  <rth@redhat.com>
7264         PR target/69176
7265         * config/aarch64/aarch64.md (add<GPI>3): Move long immediate
7266         operands to pseudo only if CSE is expected.  Split long immediate
7267         operands only after reload, and for the stack pointer.
7268         (*add<GPI>3_pluslong): Remove.
7269         (*addsi3_aarch64, *adddi3_aarch64): Merge into...
7270         (*add<GPI>3_aarch64): ... here.  Add r/rk/Upl alternative.
7271         (*addsi3_aarch64_uxtw): Add r/rk/Upl alternative.
7272         (*add<GPI>3 peepholes): New.
7273         (*add<GPI>3 splitters): New.
7274         * config/aarch64/constraints.md (Upl): New.
7275         * config/aarch64/predicates.md (aarch64_pluslong_strict_immedate): New.
7277 2016-01-18  Richard Biener  <rguenther@suse.de>
7279         PR tree-optimization/69297
7280         * tree-vect-slp.c (vect_bb_slp_scalar_cost): Count each scalar
7281         stmt at most once.
7282         (vect_bb_vectorization_profitable_p): Clear visited flag again.
7284 2016-01-18  Yuri Rumyantsev  <ysrumyan@gmail.com>
7286         PR middle-end/68542
7287         * fold-const.c (fold_binary_op_with_conditional_arg): Bail out for case
7288         of mixind vector and scalar types.
7289         (fold_relational_const): Add handling of vector
7290         comparison with boolean result.
7291         * tree-cfg.c (verify_gimple_comparison): Add argument CODE, allow
7292         comparison of vector operands with boolean result for EQ/NE only.
7293         (verify_gimple_assign_binary): Adjust call for verify_gimple_comparison.
7294         (verify_gimple_cond): Likewise.
7295         * tree-vrp.c (extract_code_and_val_from_cond_with_ops): Modify check on
7296         valid type of VAL.
7298 2016-01-18  Joseph Myers  <joseph@codesourcery.com>
7300         * config/mips/mips.h (ISA_HAS_PAIRED_SINGLE): Require
7301         !TARGET_OCTEON.
7303 2016-01-18  Richard Biener  <rguenther@suse.de>
7305         PR middle-end/69308
7306         * gimple.c (gimple_could_trap_p_1): Handle GIMPLE_COND.
7308 2016-01-18  Tom de Vries  <tom@codesourcery.com>
7310         * passes.def: Add pass_parallelize_loops to pass_oacc_kernels.
7312 2016-01-18  Tom de Vries  <tom@codesourcery.com>
7314         * omp-low.c (set_oacc_fn_attrib): Make extern.
7315         * omp-low.h (set_oacc_fn_attrib): Declare.
7316         * tree-parloops.c (struct reduction_info): Add reduc_addr field.
7317         (create_call_for_reduction_1): Handle case that reduc_addr is non-NULL.
7318         (create_parallel_loop, gen_parallel_loop, try_create_reduction_list):
7319         Add and handle function parameter oacc_kernels_p.
7320         (find_reduc_addr, get_omp_data_i_param): New function.
7321         (ref_conflicts_with_region, oacc_entry_exit_ok_1)
7322         (oacc_entry_exit_single_gang, oacc_entry_exit_ok): New function.
7323         (parallelize_loops): Add and handle function parameter oacc_kernels_p.
7324         Calculate dominance info.  Skip loops that are not in a kernels region
7325         in oacc_kernels_p mode.  Skip inner loops of parallelized loops.
7326         (pass_parallelize_loops::execute): Call parallelize_loops with
7327         oacc_kernels_p argument.
7328         (pass_parallelize_loops::clone, pass_parallelize_loops::set_pass_param):
7329         New member function.
7330         (pass_parallelize_loops::bool oacc_kernels_p): New member var.
7331         * passes.def: Add argument to pass_parallelize_loops instantation.
7333 2016-01-18  Tom de Vries  <tom@codesourcery.com>
7335         * tree-parloops.c (pass_parallelize_loops::execute): Allow
7336         pass_parallelize_loops to be run outside the loop pipeline.
7338 2016-01-18  Alan Lawrence  <alan.lawrence@arm.com>
7340         * tree-scalar-evolution.c (follow_copies_to_constant): New.
7341         (analyze_initial_condition, analyze_scalar_evolution_1): Call previous.
7343 2016-01-18  Alan Lawrence  <alan.lawrence@arm.com>
7345         PR target/63679
7346         * tree-ssa-scopedtables.c (avail_expr_hash): Hash MEM_REF and ARRAY_REF
7347         using get_ref_base_and_extent.
7348         (equal_mem_array_ref_p): New.
7349         (hashable_expr_equal_p): Add call to previous.
7351 2016-01-18  Alan Lawrence  <alan.lawrence@arm.com>
7353         PR target/63679
7354         * tree-sra.c (disqualified_constants, constant_decl_p): New.
7355         (sra_initialize): Allocate disqualified_constants.
7356         (sra_deinitialize): Free disqualified_constants.
7357         (disqualify_candidate): Update disqualified_constants when appropriate.
7358         (create_access): Scan for constant-pool entries as we go along.
7359         (scalarizable_type_p): Add check against type_contains_placeholder_p.
7360         (maybe_add_sra_candidate): Allow constant-pool entries.
7361         (load_assign_lhs_subreplacements): Bind debug for constant pool vars.
7362         (initialize_constant_pool_replacements): New.
7363         (sra_modify_assign): Avoid mangling assignments created by previous,
7364         and don't generate writes into constant pool.
7365         (sra_modify_function_body): Call initialize_constant_pool_replacements.
7367 2016-01-18  Ilya Enkovich  <enkovich.gnu@gmail.com>
7369         * config/i386/i386.c (scalar_to_vector_candidate_p): Support
7370         andnot instruction.
7371         (scalar_chain::convert_op): Likewise.
7372         * config/i386/i386.md (*andndi3_doubleword): New.
7374 2016-01-18  Richard Biener  <rguenther@suse.de>
7376         PR tree-optimization/69170
7377         * tree-vect-slp.c (vect_build_slp_tree): Verify we are not
7378         building a vector from scalar results of a pattern stmt.
7380 2016-01-18  Jakub Jelinek  <jakub@redhat.com>
7382         * haifa-sched.c (autopref_multipass_init): Work around
7383         -Wmaybe-uninitialized warning.
7385 2016-01-18  Thomas Preud'homme  <thomas.preudhomme@arm.com>
7387         * config/arm/arm.c (thumb1_reorg): Check that the comparison is
7388         against the constant 0.
7390 2016-01-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
7392         PR tree-optimization/68799
7393         * gimple-ssa-strength-reduction.c (create_phi_basis): Directly
7394         look up phi candidates in the statement-candidate map.
7395         (phi_add_costs): Likewise.
7396         (record_phi_increments): Likewise.
7397         (phi_incr_cost): Likewise.
7398         (ncd_with_phi): Likewise.
7399         (all_phi_incrs_profitable): Likewise.
7401 2016-01-17  Jakub Jelinek  <jakub@redhat.com>
7403         * omp-low.c (mark_loops_in_oacc_kernels_region): Work around
7404         -Wmaybe-uninitialized warning.
7406 2016-01-16  Sandra Loosemore  <sandra@codesourcery.com>
7408         * doc/invoke.texi (Invoking GCC): Add new section to menu.
7409         (Option Summary): Update to reflect new section and moved options.
7410         (C++ Dialect Options): Move -fvtable-verify and related options.
7411         (Debugging Options): Move Sanitizer, Pointer Bounds Checker,
7412         and profiling-related options.
7413         (Optimization Options): Move profile generation options and
7414         -fstack-protector and related options.
7415         (Instrumentation Options): New section incorporating moved options.
7416         (Code Generation Options): Move -finstrument-functions and
7417         related options, -fstack-check, -fstack-limit*, and -fbounds-check.
7419 2016-01-16  Tom de Vries  <tom@codesourcery.com>
7421         * passes.def: Move pass_expand_omp_ssa out of pass_parallelize_loops.
7423 2016-01-16  Tom de Vries  <tom@codesourcery.com>
7425         * omp-low.c (expand_omp_atomic_fetch_op):  Release defs of update stmt.
7427 2016-01-16  Richard Sandiford  <richard.sandiford@arm.com>
7429         * hash-table.h (hash_table::empty): Turn into an inline wrapper
7430         that checks whether the table is already empty.  Rename the
7431         original implementation to...
7432         (hash_table::empty_slot): ...this new private function.
7434 2016-01-15  David Malcolm  <dmalcolm@redhat.com>
7436         PR diagnostic/68899
7437         * diagnostic-show-locus.c (layout::print_source_line): Move x
7438         offset of line until after call to
7439         get_line_width_without_trailing_whitespace.
7441 2016-01-15  Jeff Law  <law@redhat.com>
7443         PR tree-optimization/69270
7444         * tree-ssanames.c (ssa_name_has_boolean_range): Moved here from
7445         tree-ssa-dom.c.  Improve test for [0..1] ranve from VRP.
7446         * tree-ssa-dom.c (ssa_name_has_boolean_range): Remove.
7447         * tree-ssanames.h (ssa_name_has_boolean_range): Prototype.
7448         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
7449         ssa_name_has_boolean_range and constant_boolean_node.
7451 2016-01-15  Vladimir Makarov  <vmakarov@redhat.com>
7453         PR rtl-optimization/69030
7454         * lra-spills.c (remove_pseudos): Check nrefs and make the function
7455         returning bool.
7456         (spill_pseudos): Delete debug insn for dead pseudo.
7457         (lra_spill): Initiate spill_hard_reg and slots memory separately.
7459 2016-01-15  Jiong Wang  <jiong.wang@arm.com>
7461         * config/aarch64/aarch64-builtins.c (aarch64_types_unopus_qualifiers):
7462         New.
7463         (TYPES_UNOPUS): Likewise.
7464         * config/aarch64/aarch64-simd-builtins.def (lbtruncuv2sf): Correct
7465         builtin type, from UNOP to UNOPUS.
7466         (lbtruncuv4sf): Likewise.
7467         (lbtruncuv2df): Likewise.
7468         (lrounduv2sf): Likewise.
7469         (lrounduv4sf): Likewise.
7470         (lrounduv2df): Likewise.
7471         (lroundusf): Likewise.
7472         (lroundusf): Likewise.
7473         (lceiluv2sf): Likewise.
7474         (lceiluv4sf): Likewise.
7475         (lceiluv2df): Likewise.
7476         (lceilusf): Likewise.
7477         (lceiludf): Likewise.
7478         (lflooruv2sf): Likewise.
7479         (lflooruv4sf): Likewise.
7480         (lflooruv2df): Likewise.
7481         (lfloorusf): Likewise.
7482         (lfloorudf): Likewise.
7483         (lfrintnuv2sf): Likewise.
7484         (lfrintnuv4sf): Likewise.
7485         (lfrintnuv2df): Likewise.
7486         (lfrintnusf): Likewise.
7487         (lfrintnudf): Likewise.
7488         * config/aarch64/arm_neon.h (vcvt_u32_f32): Remove unncessary type
7489         conversion.
7490         (vcvtq_u32_f32): Likewise.
7491         (vcvtq_u64_f64): Likewise.
7492         (vcvta_u32_f32): Likewise.
7493         (vcvtaq_u32_f32): Likewise.
7494         (vcvtaq_u64_f64): Likewise.
7495         (vcvtm_u32_f32): Likewise.
7496         (vcvtmq_u32_f32): Likewise.
7497         (vcvtmq_u64_f64): Likewise.
7498         (vcvtn_u32_f32): Likwise.
7499         (vcvtnq_u32_f32): Likewise.
7500         (vcvtnq_u64_f64): Likewise.
7501         (vcvtp_u32_f32): Likewise.
7502         (vcvtpq_u32_f32): Likewise.
7503         (vcvtpq_u64_f64): Likewise.
7504         (vcvtmd_u64_f64): Likewise.
7505         (vcvtms_u32_f32): Likewise.
7506         (vcvtad_u64_f64): Likewise.
7507         (vcvtas_u32_f32): Likewise.
7508         (vcvtnd_u64_f64): Likewise.
7509         (vcvtns_u32_f32): Likewise.
7510         (vcvtpd_u64_f64): Likewise.
7511         (vcvtps_u32_f32): Likewise.
7513 2016-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7515         * config/aarch64/aarch64.c (aarch64_if_then_else_costs): Handle
7516         CSEL of zero_extended registers.
7518 2016-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7520         * config/aarch64/aarch64.c (aarch64_rtx_costs, COMPARE case):
7521         Handle COMPARE of ZERO_EXTRACT against zero form of TST-immediate.
7523 2016-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7525         * config/aarch64/aarch64.c (aarch64_process_one_target_attr): Return
7526         false when argument string is not found in the attributes table
7527         at all.
7529 2016-01-15  David Edelsohn  <dje.gcc@gmail.com>
7531         PR target/68609
7532         * config/rs6000/rs6000.c (rs6000_emit_msub): Delete.
7533         (rs6000_emit_swsqrt): Convert to Goldschmidt's Algorithm
7534         * config/rs6000/rs6000.md (sqrt<mode>2): Limit swsqrt to high
7535         precision estimate.
7537 2016-01-15  Richard Biener  <rguenther@suse.de>
7539         PR tree-optimization/66856
7540         * tree-vect-loop.c (vect_transform_loop): Free SLP instances here.
7541         * tree-vect-slp.c (vect_free_slp_tree): Decrement stmt reference count.
7542         (vect_create_new_slp_node): Increment stmt reference count.
7543         (vect_get_and_check_slp_defs): Make sure stmts are nor already in
7544         an SLP tree before swapping operands.
7545         (vect_build_slp_tree): Likewise.
7546         (destroy_bb_vec_info): Free stmt info after SLP instances.
7547         * tree-vect-stmts.c (new_stmt_vec_info): Initialize reference count.
7548         * tree-vectorizer.h (struct _stmt_vec_info): Add num_slp_uses field.
7549         (STMT_VINFO_NUM_SLP_USES): New macro.
7551 2016-01-15  Richard Biener  <rguenther@suse.de>
7553         PR debug/69137
7554         * dwarf2out.c (add_linkage_name_raw): New function split out from ...
7555         (add_linkage_name): ... here.
7556         (gen_typedef_die): Use add_linkage_name_raw instead of
7557         add_linkage_attr to delay DECL_ASSEMBLER_NAME computation
7558         if necessary.
7560 2016-01-15  Cesar Philippidis  <cesar@codesourcery.com>
7562         * gimplify.c (oacc_default_clause): Decode reference and pointer
7563         types for both kernels and parallel regions.
7565 2016-01-15  Richard Sandiford  <richard.sandiford@arm.com>
7567         PR middle-end/69246
7568         * calls.c (emit_call_1): Force n_popped to zero for sibcalls.
7570 2016-01-15  Ilya Enkovich  <enkovich.gnu@gmail.com>
7572         * config/i386/i386.c (scalar_chain::compute_convert_gain): Fix typo.
7573         (convert_scalars_to_vector): Likewise.
7575 2016-01-15  Jonathan Wakely  <jwakely@redhat.com>
7577         * doc/extend.texi (Type Traits): Fix grammar.
7579 2016-01-15  Martin Jambor  <mjambor@suse.cz>
7581         * tree-inline.c (remap_decl): Use existing dclarations if
7582         remapping a type and prevent_decl_creation_for_types.
7583         (replace_locals_stmt): Do an initial remapping of non-VLA typed
7584         decls first.  Do real remapping with
7585         prevent_decl_creation_for_types set.
7586         * tree-inline.h (copy_body_data): New field
7587         prevent_decl_creation_for_types, moved remap_var_for_cilk to avoid
7588         padding.
7590 2016-01-15  Dominik Vogt  <vogt@linux.vnet.ibm.com>
7592         * config/s390/s390.opt (mmvcle): More verbose help text.
7594 2016-01-15  Dominik Vogt  <vogt@linux.vnet.ibm.com>
7596         * config/s390/s390.opt: Add period to -mzvector option text.
7598 2016-01-15  Richard Biener  <rguenther@suse.de>
7600         PR tree-optimization/68961
7601         * tree-vect-slp.c (vect_analyze_slp_cost_1): Consider cost
7602         of invariants in stores again.
7604 2016-01-15  Sebastian Huber  <sebastian.huber@embedded-brains.de>
7606         * config/arm/t-rtems: Add cortex-m7/fpv5-d16 multilib.
7608 2016-01-15  Ilya Enkovich  <enkovich.gnu@gmail.com>
7610         * config/i386/i386.c (ix86_expand_branch): Don't split
7611         DI mode xor instruction to SI mode.
7613 2016-01-15  Jan Hubicka  <hubicka@ucw.cz>
7615         PR ipa/68148
7616         * ipa-icf.c (sem_function::merge): Virtual functions may become
7617         reachable even if they address is not taken and there are no
7618         idrect calls.
7620 2016-01-15  Jan Hubicka  <hubicka@ucw.cz>
7622         * lto-streamer-out.c (subtract_estimated_size): New function.
7623         (get_symbol_initial_value): Use it.
7625 2016-01-15  Christian Bruel  <christian.bruel@st.com>
7627         PR target/65837
7628         * config/arm/arm-builtins.c (ARM_BUILTIN_CRYPTO_BASE): New enum tag.
7629         (arm_init_neon_builtins_internal): Rename arm_init_neon_builtins,
7630         (arm_init_crypto_builtins_internal): Rename arm_init_crypto_builtins.
7631         use add_builtin_function_ext_scope instead of add_builtin_function.
7632         (neon_set_p, neon_crypto_set_p): Remove.
7633         (arm_init_builtins): Always call arm_init_neon_builtins and
7634         arm_init_crypto_builtins.
7635         (arm_expand_builtin): Check that builtins are allowed for the arch.
7636         * config/arm/arm-protos.h (arm_init_neon_builtins): Remove prototype.
7637         * config/arm/arm.c (arm_valid_target_attribute_tree): Remove
7638         arm_init_neon_builtins call.
7640 2016-01-15  Richard Biener  <rguenther@suse.de>
7642         PR tree-optimization/69117
7643         * tree-ssa-sccvn.h (struct vn_ssa_aux): Add info member.
7644         * tree-ssa-sccvn.c (set_ssa_val_to): Save and adjust SSA name info
7645         of the leader conservatively.
7646         (free_scc_vn): Restore original SSA name infos.
7648 2016-01-14  Jeff Law  <law@redhat.com>
7650         PR tree-optimization/69270
7651         * tree-ssa-dom.c (ssa_name_has_boolean_range): If the type has a
7652         single bit of precision, verify it's also unsigned.
7653         (record_edge_info): Use constant_boolean_node rather than fold_convert
7654         to convert boolean_true/boolean_false to the right type.
7656 2016-01-14  Richard Henderson  <rth@redhat.com>
7658         PR rtl-opt/69014
7659         * loop-doloop.c (record_reg_sets): New.
7660         (doloop_optimize): Reject the transform if the sequence
7661         clobbers registers live at the end of the loop block.
7662         (doloop_optimize_loops): Enable df_live if needed.
7664 2016-01-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
7666         * config/rs6000/rs6000-builtin.def: Revert 2016-01-13 change.
7667         * gcc/config/rs6000/rs6000.c: Likewise.
7668         * gcc/config/rs6000/rs6000.h: Likewise.
7669         * gcc/config/rs6000/rs6000.md: Likewise.
7670         * gcc/doc/extend.texi: Likewsie.
7672 2016-01-14  Jeff Law  <law@redhat.com>
7674         * tree-ssa-dom.c (ssa_name_has_boolean_range): Fix comment
7675         typo.
7677 2016-01-14  Richard Henderson  <rth@redhat.com>
7679         PR c/69272
7680         PR tree-opt/68964
7681         * trans-mem.c (tm_log_emit_stmt): Fix unit size to bit size.
7682         * tree.c (build_tm_vector_builtins): Use builtin_decl_explicit_p
7683         instead of builtin_decl_declared_p to test for declaration.
7685 2016-01-14  Nicklas Bo Jensen  <nbjensen@gmail.com>
7687         * doc/loop.texi (Loop Analysis and Representation): Document
7688         loop_depth function.
7690 2016-01-14  Tom de Vries  <tom@codesourcery.com>
7692         PR tree-optimization/68773
7693         * omp-low.c (expand_omp_target): Don't set force_output.
7694         * varpool.c (varpool_node::get_create): Same.
7695         * lto-cgraph.c (input_offload_tables): Mark entries in offload_vars and
7696         offload_funcs with force_output.
7698 2016-01-14  Jakub Jelinek  <jakub@redhat.com>
7700         PR debug/69244
7701         * lra-eliminations.c (move_plus_up): Don't change anything if either
7702         the outer or inner subreg mode is not MODE_INT.
7703         * dwarf2out.c (mem_loc_descriptor): For SUBREG, if outer mode is
7704         integral <= DWARF2_ADDR_SIZE, convert to untyped afterwards.
7706 2016-01-14  Alan Lawrence  <alan.lawrence@arm.com>
7708         * doc/md.texi (reduc_smin_@var{m}, reduc_smax_@var{m},
7709         reduc_umin_@var{m}, reduc_umax_@var{m}, reduc_splus_@var{m},
7710         reduc_uplus_@var{m}): Remove.
7711         * expr.c (expand_expr_real_2): Remove expansion path for
7712         reduc_[us](min|max|plus) optabs.
7713         * optabs-tree.c (scalar_reduc_to_vector): Remove.
7714         * optabs-tree.h (scalar_reduc_to_vector): Remove.
7715         * optabs.def (reduc_smax_optab, reduc_smin_optab, reduc_splus_optab,
7716         reduc_umax_optab, reduc_umin_optab, reduc_uplus_optab): Remove.
7717         * tree-vect-loop.c (vectorizable_reduction): Remove test for
7718         reduc_[us](min|max|plus) optabs.
7720 2016-01-14  Alan Lawrence  <alan.lawrence@arm.com>
7722         * config/mips/mips-ps-3d.md (reduc_splus_v2sf): Remove.
7723         (reduc_plus_scal_v2sf): New.
7724         (reduc_smax_v2sf): Rename to...
7725         (reduc_smax_scal_v2sf): ...here, make result SFmode, add vec_extract.
7726         (reduc_smin_v2sf): Rename to...
7727         (reduc_smin_scal_v2sf): ...here, make result SFmode, add vec_extract.
7729 2016-01-14  Jan Hubicka  <hubicka@ucw.cz>
7731         * alias.c (compare_base_symbol_refs): New function.
7732         (rtx_equal_for_memref_p, base_alias_check, memrefs_conflict_p): Use
7733         it.
7735 2016-01-14  Jakub Jelinek  <jakub@redhat.com>
7737         PR middle-end/68146
7738         PR tree-optimization/69155
7739         * tree-complex.c: Include cfganal.h.
7740         (phis_to_revisit): New variable.
7741         (extract_component): Add phiarg_p argument.  Assert that returned
7742         SSA_NAME has non-NULL SSA_NAME_DEF_STMT unless phiarg_p is true.
7743         (update_phi_components): Partly rewrite to use loop over real/imag
7744         components instead of code duplication.  If extract_component returns
7745         SSA_NAME with NULL SSA_NAME_DEF_STMT, store SSA_NAME_VAR or
7746         create_tmp_reg into the PHI node instead, and mention the phi triplet
7747         in phis_to_revisit.
7748         (tree_lower_complex): Walk bbs in rpo order.  Adjust phis recorded
7749         in phis_to_revisit at the end.
7751 2016-01-14  Richard Biener  <rguenther@suse.de>
7753         PR tree-optimization/68060
7754         * tree-vect-loop.c (vect_is_simple_reduction): Check the
7755         outer loop reduction is only used in the inner loop before
7756         detecting a double reduction.
7758 2016-01-14  Jakub Jelinek  <jakub@redhat.com>
7760         PR target/68269
7761         * combine.c (expand_field_assignment): Punt if compute_mode is
7762         unsupported scalar mode.
7764 2016-01-14  Richard Biener  <rguenther@suse.de>
7766         PR tree-optimization/66856
7767         * tree-vect-slp.c (vect_build_slp_tree): Refactor to build
7768         SLP node only if it built successfully.
7769         (vect_analyze_slp_instance): Adjust.
7771 2016-01-14  Jeff Law  <law@redhat.com>
7773         PR tree-optimization/69270
7774         * tree-ssa-dom.c (ssa_name_has_boolean_range): New function.
7775         (record_edge_info): Use it.  Convert boolean_{true,false}_node
7776         to the type of op0.
7778 2016-01-13  Jan Hubicka  <hubicka@ucw.cz>
7780         PR ipa/66487
7781         * ipa-polymorphic-call.c (inlined_polymorphic_ctor_dtor_block_p):
7782         use block_ultimate_origin
7783         (noncall-stmt_may_be_vtbl_ptr_store): Likewise.
7785 2016-01-13  Sandra Loosemore  <sandra@codesourcery.com>
7787         * doc/invoke.texi (Submodel Options): Rename section to
7788         "Machine-Dependent Options" to better reflect its content.
7789         Rewrite introductory text to remove archaic CPU names.
7790         Update references.
7792 2016-01-13  Sandra Loosemore  <sandra@codesourcery.com>
7794         * doc/invoke.texi (Code Gen Options): Move section up in file,
7795         before target-specific options.  Update menu and option summary
7796         to reflect the new section ordering.
7798 2016-01-13  Jonathan Wakely  <jwakely@redhat.com>
7800         * doc/invoke.texi (C Dialect Options): Adjust -std default for C++.
7801         (C++ Dialect Options): Add cross-reference to -std option.
7802         * doc/standards.texi (C++ Language): Document C++14 support.
7804 2016-01-13  Michael Meissner  <meissner@linux.vnet.ibm.com>
7806         * config/rs6000/rs6000-builtin.def (BU_FLOAT128_2): Add support
7807         for pack/unpack functions for __ibm128.
7808         (PACK_IF): Likewise.
7809         (UNPACK_IF): Likewise.
7811         * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Add
7812         support for __ibm128 pack/unpack functions.
7813         (rs6000_invalid_builtin): Likewise.
7814         (rs6000_init_builtins): Likewise.
7815         (rs6000_opt_masks): Likewise.
7817         * config/rs6000/rs6000.h (MASK_FLOAT128): Add short name.
7818         (RS6000_BTM_FLOAT128): Add support for __ibm128 pack/unpack
7819         functions
7820         (RS6000_BTM_COMMON): Likewise.
7822         * config/rs6000/rs6000.md (f128_vsx): New mode attribute.
7823         (unpack<mode>): Use FMOVE128_FPR iterator instead of FMOVE128, to
7824         disallow __builtin_{pack,unpack}_longdouble if long double is IEEE
7825         128-bit floating point.  Add support for the double values to be
7826         in Altivec registers for TF/IF packing and unpacking, but restrict
7827         TD packing sub-fields to be FPR registers.  Don't allow overlapped
7828         register support for packing.  Allow pack inputs to be memory
7829         locations.  Don't build generator functions for unpack<mode>_dm
7830         and unpack<mode>_nodm.
7831         (unpack<mode>_dm): Likewise.
7832         (unpack<mode>_nodm): Likewise.
7833         (pack<mode>): Likewise.
7835         * config/rs6000/rs6000-builtin.def (__builtin_pack_ibm128): Add
7836         built-in functions to pack/unpack explicit __ibm128 values.
7837         (__builtin_unpack_ibm128): Likewise.
7839         * doc/extend.texi (PowerPC Built-in Functions): Document
7840         __builtin_pack_ibm128 and __builtin_unpack_ibm128.
7842 2016-01-13  Bernd Schmidt  <bschmidt@redhat.com>
7844         PR c/66208
7845         * c-common.c (check_function_nonnull): Remove unnecessary declaration.
7846         Add new arg loc and pass it down as context.
7847         (check_nonnull_arg): Don't mark ctx arg as unused. Use it as a pointer
7848         to the location to use for the warning.
7849         (check_function_arguments): New arg loc.  All callers changed.  Pass
7850         it to check_function_nonnull.
7851         * c-common.h (check_function_arguments): Adjust declaration.
7853 2016-01-13  Jakub Jelinek  <jakub@redhat.com>
7855         PR tree-optimization/69156
7856         * gimple.c (validate_type): Removed.
7857         (gimple_builtin_call_types_compatible_p): Use
7858         useless_type_conversion_p instead of validate_type.
7859         * value-prof.c (gimple_stringop_fixed_value): Fold
7860         icall_size to correct type.
7862 2016-01-13  Jonathan Wakely  <jwakely@redhat.com>
7864         * doc/extend.texi (__atomic Builtins): Clarify compare_exchange
7865         effects.
7867 2016-01-13  Richard Henderson  <rth@redhat.com>
7869         PR tree-opt/68964
7870         * target.def (builtin_tm_load, builtin_tm_store): Remove.
7871         * config/i386/i386.c (ix86_builtin_tm_load): Remove.
7872         (ix86_builtin_tm_store): Remove.
7873         (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
7874         (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
7875         * doc/tm.texi.in (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
7876         (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
7877         * doc/tm.texi: Rebuild.
7879         * gtm-builtins.def (BUILT_IN_TM_MEMCPY_RNWT): New.
7880         (BUILT_IN_TM_MEMCPY_RTWN): New.
7881         * trans-mem.c (tm_log_emit_stmt): Rearrange code for better
7882         fallback from vector to integer helpers.
7883         (build_tm_load): Handle vector types directly, instead of
7884         via target hook.
7885         (build_tm_store): Likewise.
7886         (expand_assign_tm): Prepare for register types not handled by
7887         the above.  Copy them to memory and use memcpy.
7888         * tree.c (tm_define_builtin): New.
7889         (find_tm_vector_type): New.
7890         (build_tm_vector_builtins): New.
7891         (build_common_builtin_nodes): Call it.
7893 2016-01-13  Uros Bizjak  <ubizjak@gmail.com>
7895         * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Return -1 for
7896         TARGET_SSE_MATH without TARGET_SSE2.  Rewrite.
7898 2016-01-13  Tom de Vries  <tom@codesourcery.com>
7900         PR tree-optimization/69169
7901         * tree-ssa-structalias.c (create_variable_info_for_1): Add and handle
7902         handled_struct_type param.
7903         (create_variable_info_for, intra_create_variable_infos): Call
7904         create_variable_info_for_1 with extra arg.
7906 2016-01-13  Yvan Roux  <yvan.roux@linaro.org>
7908         * config/arm/arm-arches.def: Remove spurious whitespace in "armv8.1-a"
7909         and "armv8.1-a+crc" entries.
7911 2016-01-13  Alexander Fomin  <alexander.fomin@intel.com>
7913         PR target/69228
7914         * config/i386/sse.md (define_expand "avx512pf_gatherpf<mode>sf"):
7915         Change first operand predicate from register_or_constm1_operand
7916         to register_operand.
7917         (define_expand "avx512pf_gatherpf<mode>df"): Likewise.
7918         (define_expand "avx512pf_scatterpf<mode>sf"): Likewise.
7919         (define_expand "avx512pf_scatterpf<mode>df"): Likewise.
7920         (define_insn "*avx512pf_gatherpf<mode>sf"): Remove.
7921         (define_insn "*avx512pf_gatherpf<mode>df"): Likewise.
7922         (define_insn "*avx512pf_scatterpf<mode>sf"): Likewise.
7923         (define_insn "*avx512pf_scatterpf<mode>df"): Likewise.
7924         * config/i386/i386.c (ix86_expand_builtin): Remove first operand
7925         comparison with constm1_rtx from vec_prefetch_gen part.
7927 2016-01-13  Richard Biener  <rguenther@suse.de>
7929         PR tree-optimization/69013
7930         * tree-ssa-uninit.c (prune_uninit_phi_opnds_in_unrealizable_paths):
7931         Exchange assert for a test.
7933 2016-01-13  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7935         PR target/69247
7936         * config/s390/s390.md (bswaphi splitter): Use simplify_gen_subreg.
7938 2016-01-13  Richard Biener  <rguenther@suse.de>
7940         PR tree-optimization/69242
7941         * tree-ssa-sccvn.c (visit_reference_op_load): Replace bogus
7942         assert with a check.
7944 2016-01-13  Richard Biener  <rguenther@suse.de>
7946         PR tree-optimization/69186
7947         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
7948         Properly guard vect_update_misalignment_for_peel call.
7950 2016-01-12  Jeff Law  <law@redhat.com>
7952         PR tree-optimization/pr67755
7953         * tree-ssa-threadupdate.c (struct ssa_local_info_t): Add new field
7954         "need_profile_correction".
7955         (thread_block_1): Initialize new field to false by default.  If we
7956         have multiple thread paths through a common joiner to different
7957         final targets, then set new field to true.
7958         (compute_path_counts): Only do count adjustment when it's really
7959         needed.
7961 2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>
7963         * doc/invoke.texi (Spec Files): Move section down in file, past
7964         all command-line option descriptions.
7966 2016-01-12  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
7968         PR middle-end/54809
7969         * doc/gty.texi: Remove documentation of mark_hook.
7970         * gengtype.c (struct write_types_data): Remove code to support
7971         mark_hook attribute.
7972         (walk_type): Likewise.
7973         (write_func_for_structure): Likewise.
7975 2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>
7977         * doc/invoke.texi (Option Summary) Move -no-canonical-prefixes to
7978         Directory Options, and -specs= to Overall Options.
7979         (Overall Options): Adjust similarly.  Reorder to group related
7980         options together.  Make -specs= cross-reference the spec file details.
7981         (Directory Options): Adjust similarly.
7983 2016-01-12  Jeff Law  <law@redhat.com>
7985         * tree-ssa-threadupdate.c: Various whitespace and typo fixes.
7987 2016-01-12  Olivier Hainque  <hainque@adacore.com>
7989         * gcc.c (spec_undefvar_allowed): New global.
7990         (process_command): Set to true when running for --version or --help,
7991         alone or together.
7992         (getenv_spec_function): When the variable is not defined, use the
7993         variable name as the variable value if we're allowed not to issue
7994         a fatal error.
7996 2016-01-12  Bin Cheng  <bin.cheng@arm.com>
7998         PR tree-optimization/68911
7999         * tree-vrp.c (adjust_range_with_scev): Check overflow in range
8000         information computed for expression "init + nit * step".
8002 2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>
8004         * doc/invoke.texi (Invoking GCC): Copy-edit.  Incorporate information
8005         about name of GCC executable.  Remove deleted node from menu.
8006         (Directory Options) <-B>: Remove cross-reference to deleted node.
8007         (Target Options): Delete section.
8009 2016-01-12  Christian Bruel  <christian.bruel@st.com>
8011         PR target/69180
8012         * config/arm/arm-c.c (arm_pragma_target_parse): Set NODE_CONDITIONAL
8013         for __ARM_NEON_FP, __ARM_FP, _ARM_FEATURE_LDREX.
8015 2016-01-12  Jakub Jelinek  <jakub@redhat.com>
8017         PR target/69198
8018         * config/i386/i386.c (ix86_expand_special_args_builtin): Ensure
8019         aligned_mem is properly set for AVX512-VL floating point masked
8020         stores.
8022         PR target/69175
8023         * ifcvt.c (cond_exec_process_if_block): When removing the last
8024         insn from then_bb, remove also any possible barriers that follow it.
8026 2016-01-12  H.J. Lu  <hongjiu.lu@intel.com>
8028         PR target/68456
8029         PR target/69226
8030         * config/i386/iamcu.h (SIZE_TYPE): New macro.
8031         (PTRDIFF_TYPE): Likewise.
8032         (WCHAR_TYPE): Likewise.
8033         (WCHAR_TYPE_SIZE): Likewise.
8034         (STDINT_LONG32): Likewise.
8036 2016-01-12  Richard Biener  <rguenther@suse.de>
8038         PR tree-optimization/69053
8039         * tree-vect-loop.c (get_initial_def_for_reduction): Properly
8040         convert initial value for cond reductions.
8042 2016-01-12  Richard Biener  <rguenther@suse.de>
8044         PR tree-optimization/69007
8045         * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Move
8046         widen_sum after dot_prod and sad.
8048 2016-01-12  Richard Biener  <rguenther@suse.de>
8050         PR tree-optimization/69168
8051         * tree-vect-loop.c (vect_analyze_loop_2): Reset both main and
8052         pattern stmt SLP type.
8053         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Patterns may
8054         end up unused so cope with that case.
8056 2016-01-12  Richard Biener  <rguenther@suse.de>
8058         PR tree-optimization/69157
8059         * tree-vect-stmts.c (vectorizable_mask_load_store): Check
8060         stmts def type only during analyze phase.
8061         (vectorizable_call): Likewise.
8062         (vectorizable_simd_clone_call): Likewise.
8063         (vectorizable_conversion): Likewise.
8064         (vectorizable_assignment): Likewise.
8065         (vectorizable_shift): Likewise.
8066         (vectorizable_operation): Likewise.
8067         (vectorizable_store): Likewise.
8068         (vectorizable_load): Likewise.
8070 2016-01-12  Richard Biener  <rguenther@suse.de>
8072         PR tree-optimization/69174
8073         * tree-vect-stmts.c (vect_mark_relevant): Remove excessive vertical
8074         space.
8075         (vectorizable_load): Properly compute the number of loads needed
8076         for permuted strided SLP loads and do not spuriously assign
8077         to SLP_TREE_VEC_STMTS.
8079 2016-01-12  Andris Pavenis  <andris.pavenis@iki.fi>
8081         * config/i386/djgpp.h (PREFERRED_DEBUGGING_TYPE): Define to DWARF2
8082         (TARGET_ASM_OUTPUT_IDENT): Define to default_asm_output_ident_directive
8083         (MD_EXEC_PREFIX): Remove.
8084         (MD_STARTFILE_PREFIX) Removee.
8085         (FILE_NAME_ABSOLUTE_P): Remove.
8086         (CPP_SPEC): Do not read macros from sys/version.h.
8087         (LINK_COMMAND_SPEC): Remove.
8088         (LOCAL_INCLUDE_DIR): Remove.
8089         (TARGET_ASM_NAMED_SECTION): Define to i386_djgpp_asm_named_section
8090         (TARGET_OS_CPP_BUILTINS): Add DJGPP (non ISO only), __DJGPP, __DJGPP__, unix.
8091         (POST_LINK_SPEC): Define to invoke stubify after linker
8092         (LIBSTDCXX): Remove define
8093         (DBX_REGISTER_NUMBER): Define to svr4_dbx_register_map.
8094         (DEFAULT_PCC_STRUCT_RETURN): Define to 1.
8095         (SUBTARGET_OVERRIDE_OPTIONS): Remove warning about -mbnu2210.
8096         (SUBTARGET_OVERRIDE_OPTIONS): Ignore -fPIC and generate message.
8097         (SUBTARGET_OVERRIDE_OPTIONS): Default to DWARF2 debugging info.
8098         (IX86_MAYBE_NO_LIBGCC_TFMODE): Remove.
8099         (i386_djgpp_asm_named_section): Add propotype of new procedure
8101         * config/i386/xm-djgpp.h (NATIVE_SYSTEM_HEADER_DIR): Define.
8102         (MD_EXEC_PREFIX): Define (moved from config/i386/djgpp.h).
8103         (STANDARD_STARTFILE_PREFIX_1): Define (moved from MD_STARTFILE_PREFIX
8104         in config/i386/djgpp.h).
8105         (STANDARD_STARTFILE_PREFIX_2): Define identical to
8106         STANDARD_STARTFILE_PREFIX_1.
8107         (LOCAL_INCLUDE_DIR): Define (moved from config/i386/djgpp.h).
8108         (GCC_DRIVER_HOST_INITIALIZATION): Fix reporting fatal
8109         installation errors.
8110         (MAX_OFILE_ALIGNMENT): Define to 128.
8111         (HAVE_FTW_H): Undefine as DJGPP do not have nftw, but have ftw.h.
8113         * config/i386/djgpp.c: New file. Add implementation of
8114         i386_djgpp_asm_named_section.
8116         * config/i386/djgpp.opt: Remove obsolete option -mbnu210.
8118         * config/i386/t-djgpp: New file. Add djgpp.o to EXTRA_OBJS.
8119         Add rule for building djgpp.o.
8121 2016-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
8123         * config/rs6000/rs6000.c (v2df_reduction_p): New function.
8124         (rtx_is_swappable_p): Reductions are swappable.
8125         (insn_is_swappable_p): V2DF reductions are swappable.
8127 2016-01-11  John David Anglin  <danglin@gcc.gnu.org>
8129         * config/pa/pa.c (pa_emit_move_sequence): Handle floating point
8130         reloads for other unsupported memory operands.
8132 2016-01-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
8133             Jim Wilson  <jim.wilson@linaro.org>
8135         PR target/69194
8136         * config/arm/arm-builtins.c (arm_expand_neon_args): Call
8137         copy_to_mode_reg instead of force_reg.
8139 2016-01-11  H.J. Lu  <hongjiu.lu@intel.com>
8141         PR target/69225
8142         * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Set to 2 only if
8143         TARGET_80387 is true.
8145 2016-01-11  Jakub Jelinek  <jakub@redhat.com>
8147         PR target/69071
8148         * lra-eliminations.c (move_plus_up): Only move plus up
8149         if subreg of the constant can be simplified into constant
8150         and use the simplified subreg of the constant instead of
8151         the original constant.
8153         * fold-const.c (fold_convertible_p): Don't return true
8154         for conversion of VECTOR_TYPE to same sized integral type.
8155         (fold_convert_loc): Fix up formatting.  Fold conversion of
8156         VECTOR_TYPE to same sized integral type using VIEW_CONVERT_EXPR
8157         instead of NOP_EXPR.
8159         PR tree-optimization/69214
8160         * tree-vrp.c (simplify_cond_using_ranges): Don't propagate
8161         innerop into a comparison if SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
8162         Formatting fix.
8164         PR tree-optimization/69207
8165         * tree-vect-slp.c (vect_get_constant_vectors): For
8166         VECTOR_BOOLEAN_TYPE_P, assert op has integral type instead of
8167         fold_convertible_p to vector_type's element type, and always
8168         use VCE for non-VECTOR_BOOLEAN_TYPE_P.
8170 2016-01-11  Richard Biener  <rguenther@suse.de>
8172         PR tree-optimization/69173
8173         * tree-vect-loop.c (vect_fixup_scalar_cycles_with_patterns): Only
8174         fixup the cycle if all stmts are in a pattern.
8176 2016-01-11  Uros Bizjak  <ubizjak@gmail.com>
8178         PR middle-end/68999
8179         * alias.c (base_alias_check): Move check for addresses with
8180         alignment ANDs before the call for compare_base_decls.
8181         (memrefs_conflict_p): Return -1 for different decls
8182         that went through alignment adjustments.
8184 2016-01-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8186         PR rtl-optimization/68796
8187         * config/aarch64/aarch64.md (*and<mode>_compare0): New pattern.
8188         * config/aarch64/aarch64.c (aarch64_select_cc_mode): Handle HImode
8189         and QImode comparisons against zero with CC_NZmode.
8190         * config/aarch64/iterators.md (short_mask): New mode_attr.
8192 2016-01-11  H.J. Lu  <hongjiu.lu@intel.com>
8194         * config/i386/sse.md (<avx512>_load<mode>_mask): Remove snprintf.
8195         (<avx512>_store<mode>_mask): Likewise.
8197 2016-01-11  Bernd Schmidt  <bschmidt@redhat.com>
8198             Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8200         PR rtl-optimization/68841
8201         * ifcvt.c (struct noce_if_info): Add orig_x field.
8202         (bbs_ok_for_cmove_arith): Add to_rename parameter.
8203         Don't record conflicts on to_rename if it's present.
8204         Allow memory destinations in sets.
8205         (noce_try_cmove_arith): Call bbs_ok_for_cmove_arith even on simple
8206         blocks, passing orig_x to the checks.
8207         (noce_process_if_block): Set if_info->orig_x appropriately.
8209 2016-01-11  Tom de Vries  <tom@codesourcery.com>
8211         PR tree-optimization/69069
8212         * tree-parloops.c (create_parallel_loop): Add missing phi args.
8214 2016-01-11  Yuri Rumyantsev  <ysrumyan@gmail.com>
8216         PR rtl-optimization/68920
8217         * config/i386/i386.c (ix86_option_override_internal): Restrict number
8218         of conditional moves for  RTL if-conversion to 1 for
8219         TARGET_ONE_IF_CONV_INSN.
8220         * config/i386/i386.h (TARGET_ONE_IF_CONV_INSN): New macros.
8221         * config/i386/x86-tune.def (X86_TUNE_ONE_IF_CONV_INSN): New macros.
8222         * params.def (PARAM_MAX_RTL_IF_CONVERSION_INSNS) : Introduce new
8223         parameter to restirct number of conditional moves for
8224         RTL if-conversion.
8225         * doc/invoke.texi (max-rtl-if-conversion-insns): Document it.
8226         * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Limit number of
8227         conditionl moves.
8229 2016-01-11  Alexandre Oliva  <aoliva@redhat.com>
8231         PR bootstrap/69123
8232         * var-tracking.c (drop_overlapping_mem_locs): Operate on all
8233         onepart vars.  Fix typo in comment.  Fix reversed condition in
8234         unshare test.
8235         (dataflow_set_remove_mem_locs): Operate on all onepart vars.
8237         PR bootstrap/69123
8238         * var-tracking.c (dump_onepart_variable_differences): New.
8239         (dataflow_set_different): If a detailed dump is requested,
8240         delay early returns and dump differences between onepart
8241         variables present before and after, and added variables.
8243 2016-01-11  Ilya Enkovich  <enkovich.gnu@gmail.com>
8245         PR target/69010
8246         * expr.c (expand_expr_real_1): For boolean vector constants
8247         with a scalar mode use const_scalar_mask_from_tree.
8248         (const_scalar_mask_from_tree): New.
8249         * optabs.c (expand_vec_cond_mask_expr): Use mask mode
8250         assigned to a mask type to handle constants.
8252 2016-01-11  Martin Jambor  <mjambor@suse.cz>
8254         PR ipa/69044
8255         * ipa-cp.c (estimate_local_effects): Do not clone for removal of
8256         useless parameters if we cannot change function signature.
8258 2016-01-11  Martin Jambor  <mjambor@suse.cz>
8260         PR ipa/66616
8261         * cgraphclones.c (duplicate_thunk_for_node): Copy can_change_signature
8262         flag.
8264 2016-01-11  Tom de Vries  <tom@codesourcery.com>
8266         PR tree-optimization/69109
8267         * tree-parloops.c (try_transform_to_exit_first_loop_alt): Don't allow
8268         latch with phi.
8270 2016-01-11  Tom de Vries  <tom@codesourcery.com>
8272         PR tree-optimization/69108
8273         * tree-parloops.c (gather_scalar_reductions): Handle case that outer phi
8274         res is not used in a phi.
8276 2016-01-11  Yury Gribov  <y.gribov@samsung.com>
8278         PR 67425
8279         * common.opt (frandom-seed): Fix parameter name.
8280         * doc/invoke.texi (frandom-seed): Ditto and describe parameter.
8282 2016-01-11  Tom de Vries  <tom@codesourcery.com>
8284         PR tree-optimization/69058
8285         * tree-parloops.c (pass_parallelize_loops::execute): Return 0 if libgomp
8286         not supported.
8288 2016-01-11  Andrew Burgess  <andrew.burgess@embecosm.com>
8290         * config/arc/arc.opt (mdiv-rem): Add period to the end.
8291         (mcode-density): Likewise.
8293 2016-01-10  Tom de Vries  <tom@codesourcery.com>
8295         PR tree-optimization/69062
8296         * tree-parloops.c (loop_has_phi_with_address_arg): New function.
8297         (parallelize_loops): Don't paralelize loop that has phi with address
8298         arg.
8300 2016-01-10  Tom de Vries  <tom@codesourcery.com>
8302         PR tree-optimization/69039
8303         * tree-parloops.c (try_create_reduction_list): Only allow single exit
8304         phi for reduction.
8306 2016-01-09  John David Anglin  <danglin@gcc.gnu.org>
8308         PR middle-end/68743
8309         * match.pd: Require target has function_c99_misc before doing
8310         truncl(extend(x)) and trunc(extend(x)) -> extend(truncf(x)), etc.
8312 2016-01-09  Gerald Pfeifer  <gerald@pfeifer.com>
8314         * configure.ac (isl_options_set_schedule_serialize_sccs): Also
8315         use GMPINC.
8316         * configure: Regenerate.
8318 2016-01-09  Jakub Jelinek  <jakub@redhat.com>
8320         PR middle-end/50865
8321         PR tree-optimization/69097
8322         * fold-const.h (expr_not_equal_to): New prototype.
8323         * fold-const.c: Include stringpool.h and tree-ssanames.h.
8324         (expr_not_equal_to): New function.
8325         * match.pd (X % -Y is the same as X % Y): Don't optimize
8326         unless X is known not to be equal to minimum or Y is known
8327         not to be equal to -1.
8328         * tree-vrp.c (simplify_div_or_mod_using_ranges): Add GSI argument.
8329         fold TRUNC_MOD_EXPR if the second argument is not a power of two.
8330         (simplify_stmt_using_ranges): Adjust caller.
8331         (vrp_finalize): Call set_value_range on SSA_NAMEs before calling
8332         substitute_and_fold.
8334 2016-01-09  Jan Hubicka  <hubicka@ucw.cz>
8336         * ipa-icf.c (sem_item_optimizer::merge_classes): Do not ICE on VAR_DECL
8337         w/o DECL_NAME.
8339 2016-01-08  Jakub Jelinek  <jakub@redhat.com>
8341         PR tree-optimization/69167
8342         * gimple-fold.c (replace_stmt_with_simplification): Also punt if
8343         new SSA_NAME_OCCURS_IN_ABNORMAL_PHI SSA_NAMEs appear in operands of
8344         ops[0] comparison.
8345         * gimple-match-head.c (maybe_push_res_to_seq): Likewise.
8347 2016-01-08  Alan Lawrence  <alan.lawrence@arm.com>
8348             Richard Biener  <rguenther@suse.de>
8350         PR tree-optimization/68707
8351         * tree-vect-slp.c (vect_analyze_slp_instance): Cancel permuted SLP
8352         instances that can be handled via vect_load_lanes.
8354 2016-01-08  Uros Bizjak  <ubizjak@gmail.com>
8356         * symtab.c (symtab_node::equal_address_to): Return -1 instead of 2
8357         if we can't determine address equivalence.
8358         * alias.c (compare_base_decl): Update for changed return value of
8359         symtab_node::equal_address_to.
8361 2016-01-08  Jason Merrill  <jason@redhat.com>
8363         PR c++/68983
8364         PR c++/67557
8365         * function.c (assign_temp): Guard against TREE_ADDRESSABLE types here.
8366         * expr.c (store_field): Not here.
8367         * tree-cfgcleanup.c (fixup_noreturn_call): Don't clear LHS of a
8368         call with TREE_ADDRESSABLE type.
8369         * tree-cfg.c (verify_gimple_call): Adjust.
8371 2016-01-08  Olivier Hainque  <hainque@adacore.com>
8373         * config/vxworks.h (VXWORKS_LIBGCC_SPEC): Don't link shared RTPs with
8374         libc_internal.
8376 2016-01-08  Alan Lawrence  <alan.lawrence@arm.com>
8378         * gcc.target/rs6000/paired.md (reduc_smax_v2sf): Rename to...
8379         (reduc_smax_scal_v2sf): ...here, make result SFmode, extract element.
8380         (reduc_smin_v2sf): Rename to...
8381         (reduc_smin_scal_v2sf): ...here, make result SFmode, extract element.
8382         (reduc_splus_v2sf): Rename to...
8383         (reduc_plus_scal_v2sf): ...here, make result SFmode, extract element.
8385 2016-01-08  Jakub Jelinek  <jakub@redhat.com>
8387         PR tree-optimization/69162
8388         * gimplify.c (gimplify_va_arg_expr): Encode original type of
8389         valist argument in another argument.
8390         (gimplify_modify_expr): Adjust for the above change.  Cleanup.
8391         * tree-stdarg.c (expand_ifn_va_arg_1): Use new 3rd argument
8392         to determine the va_list type, build a MEM_REF instead of
8393         build_fold_indirect_ref.
8395         PR tree-optimization/69172
8396         * gimple-fold.c (gimple_fold_builtin_memory_chk): Pass type to
8397         gimple_build.
8399 2016-01-08  Thomas Preud'homme  <thomas.preudhomme@arm.com>
8401         PR tree-optimization/67781
8402         * tree-ssa-math-opts.c (find_bswap_or_nop): Zero out bytes in cmpxchg
8403         and cmpnop in two steps: first the ones not accessed in original
8404         gimple expression in a endian independent way and then the ones not
8405         accessed in the final result in an endian-specific way.
8407 2016-01-08  Jakub Jelinek  <jakub@redhat.com>
8409         PR tree-optimization/69083
8410         * tree-vect-slp.c (vect_get_constant_vectors): For
8411         VECTOR_BOOLEAN_TYPE_P assert op is fold_convertible_p to vector_type's
8412         element type.  If op is fold_convertible_p to vector_type's element
8413         type, use NOP_EXPR instead of VCE.
8415 2016-01-08  Segher Boessenkool  <segher@kernel.crashing.org>
8417         PR rtl-optimization/67778
8418         PR rtl-optimization/68634
8419         PR rtl-optimization/68909
8420         * shrink-wrap.c (try_shrink_wrapping): Add comment.  Don't pop
8421         block from the stack until done with it.  Remove a superfluous
8422         bitmap set.  Remove a superfluous bitmap test.
8424 2016-01-07  Martin Sebor  <msebor@redhat.com>
8426         PR c/68966
8427         * doc/extend.texi (__atomic Builtins, __sync Builtins): Document
8428         constraint on the type of arguments.
8430 2016-01-07  Andreas Tobler  <andreast@gcc.gnu.org>
8432         * config/arm/freebsd.h: Rename SUBTARGET_OVERRIDE_OPTIONS to
8433         SUBTARGET_OVERRIDE_INTERNAL_OPTIONS. Adjust to check
8434         unaligned_access on the gcc_options set.
8435         * config/arm/arm.c (arm_option_override_internal): Use
8436         SUBTARGET_OVERRIDE_INTERNAL_OPTIONS.
8438 2016-01-07  Uros Bizjak  <ubizjak@gmail.com>
8440         PR target/69140
8441         * config/i386/i386.c (ix86_frame_pointer_required): Enable
8442         frame pointer for TARGET_64BIT_MS_ABI when stack is misaligned.
8444 2016-01-07  Uros Bizjak  <ubizjak@gmail.com>
8446         Revert
8447         2016-01-06  Uros Bizjak  <ubizjak@gmail.com>
8449         PR target/69140
8450         * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
8451         depending on frame_pointer_needed before remaining integer and SSE
8452         registers are saved.
8454 2016-01-07  Sandra Loosemore  <sandra@codesourcery.com>
8456         PR 1078
8457         * doc/extend.texi (Nvidia PDX Function Attributes): New section.
8459 2016-01-07  H.J. Lu  <hongjiu.lu@intel.com>
8461         PR target/69171
8462         * config/i386/sse.md (<sse>_sqrt<mode>2<mask_name><round_name>):
8463         Use the "xBm" constraint.
8464         (float<sseintvecmodelower><mode>2<mask_name><round_name):
8465         Likewise.
8466         (sse_cvtsi2ss<round_name>): Use round_nimm_scalar_predicate.
8467         (sse_cvtsi2ssq<round_name>): Likewise.
8468         (sse_cvtss2si<round_name>): Likewise.
8469         (sse_cvtss2siq<round_name>): Likewise.
8470         (sse2_cvtsi2sdq<round_name>): Likewise.
8471         (sse2_cvtsd2si<round_name>): Likewise.
8472         (sse2_cvtsd2siq<round_name>): Likewise.
8473         * config/i386/subst.md (round_nimm_scalar_predicate): New
8474         predicate.
8476 2015-12-15  Bernd Schmidt  <bschmidt@redhat.com>
8478         PR middle-end/67639
8479         * varasm.c (make_decl_rtl): Mark invalid register vars as
8480         DECL_EXTERNAL.
8482         PR rtl-optimization/66206
8483         * bt-load.c (find_btr_use): Change first arg to be a pointer to an rtx.
8484         All callers changed.
8486 2016-01-07  Jakub Jelinek  <jakub@redhat.com>
8488         PR tree-optimization/69141
8489         * tree-ssa-pre.c: Include langhooks.h.
8490         (eliminate_dom_walker::before_dom_children): Use
8491         lang_hooks.decl_printable_name instead of
8492         cgraph_node::get ()->name ().
8494         PR middle-end/68960
8495         * gimple-expr.c (copy_var_decl): If var has DECL_USER_ALIGN set, copy
8496         it and DECL_ALIGN too.
8498 2016-01-06  Robert Suchanek  <robert.suchanek@imgtec.com>
8500         * config/mips/mips-ftypes.def: Sort to lexicographical order.
8502 2016-01-06  Uros Bizjak  <ubizjak@gmail.com>
8504         PR target/69140
8505         * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
8506         depending on frame_pointer_needed before remaining integer and SSE
8507         registers are saved.
8509 2015-01-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
8511         * config/rs6000/vsx.md (*p9_vecload_<mode>): Replace VSX_M
8512         mode iterator with VSX_M2.
8513         (*p9_vecstore_<mode>): Likewise.
8514         (*vsx_le_permute_<mode>): Restrict to !TARGET_P9_VECTOR.
8515         (*vsx_le_perm_load_<mode> for VSX_LE_128): Likewise.
8516         (*vsx_le_perm_store_<mode> for VSX_LE_128): Likewise.
8517         (define_split for VSX_LE128 stores): Likewise.
8518         (define_peephole2 for TImode LE swaps): Likewise.
8519         (define_split for VSX_LE128 post-reload stores): Likewise.
8521 2016-01-06  Marek Polacek  <polacek@redhat.com>
8523         PR sanitizer/69099
8524         * convert.c (convert_to_integer_1): Adjust call to
8525         ubsan_instrument_float_cast.  Use NULL_TREE instead of NULL.
8526         * ubsan.c (ubsan_instrument_float_cast): Drop the ARG parameter.  Use
8527         EXPR instead of ARG.
8528         * ubsan.h (ubsan_instrument_float_cast): Adjust declaration.
8530 2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>
8532         PR 1078
8533         * doc/extend.texi (RL78 Variable Attributes): New section.
8535 2016-01-05  Marek Polacek  <polacek@redhat.com>
8537         PR c/69104
8538         * builtins.c (get_memmodel): Use expansion point location rather than
8539         the input location.  Call warning_at rather than warning.
8540         (expand_builtin_atomic_compare_exchange): Likewise.
8541         (expand_builtin_atomic_load): Likewise.
8542         (expand_builtin_atomic_store): Likewise.
8543         (expand_builtin_atomic_clear): Likewise.
8545 2016-01-05  H.J. Lu  <hongjiu.lu@intel.com>
8547         PR target/68991
8548         * config/i386/i386.c (ix86_expand_vector_logical_operator):
8549         Replace nonimmediate_operand with vector_operand.
8550         * config/i386/predicates.md (vector_operand): New predicate.
8551         (general_vector_operand): Replace nonimmediate_operand with
8552         vector_operand.
8553         * config/i386/sse.md: Replace nonimmediate_operand with
8554         vector_operand and m constraint with Bm constraint on SSE
8555         patterns with 16-byte memory operand.
8556         * config/i386/subst.md (round_nimm_predicate): Replace
8557         nonimmediate_operand with vector_operand.
8558         (round_saeonly_nimm_predicate): Likewise.
8559         (round_saeonly_nimm_scalar_predicate): New.
8561 2016-01-05  H.J. Lu  <hongjiu.lu@intel.com>
8563         PR target/68991
8564         * config/i386/constraints.md (Bm): New constraint.
8565         * config/i386/predicates.md (vector_memory_operand): New
8566         predicate.
8567         * config/i386/sse.md: Replace xm with xBm in plusminus and
8568         any_logic patterns.
8570 2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>
8572         PR 1078
8573         * doc/extend.texi (V850 Function Attributes): New section.
8574         (V850 Variable Attributes): New section.
8576 2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>
8578         PR 1078
8579         * doc/extend.texi (MicroBlaze Function Attributes): Document
8580         interrupt_handler and fast_interrupt attributes.
8582 2016-01-05  Sergei Trofimovich  <siarheit@google.com>
8584         PR other/60465
8585         * config/ia64/ia64.c (ia64_expand_load_address): Use gprel64
8586         for local symbolic operands.
8587         * config/ia64/predicates.md (local_symbolic_operand64): New
8588         predicate.
8590 2016-01-05  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8592         PR rtl-optimization/68651
8593         * combine.c (combine_simplify_rtx): Canonicalize x + x into
8594         x << 1.
8596 2016-01-05  Nathan Sidwell  <nathan@acm.org>
8598         * alias.c (compare_base_decls): Use symtab_node::get.
8600 2016-01-05  Nick Clifton  <nickc@redhat.com>
8602         PR target/68770
8603         * ira-costs.c (copy_cost): Initialise the t_icode field of the
8604         secondary_reload_info structure.
8606         PR target/66655
8607         * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Define to use weak
8608         decls if weak support is available.
8610 2016-01-04  Martin Sebor  <msebor@redhat.com>
8612         * doc/invoke.texi (Warning Options): Document -Winvalid-memory-model.
8614 2016-01-04  Michael Meissner  <meissner@linux.vnet.ibm.com>
8616         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Add
8617         OPTION_MASK_P9_DFORM.
8619         * config/rs6000/constraints.md (wo constraint): New constraint for
8620         ISA 3.0 (power9).
8622         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Add support
8623         for wo constraint.
8624         (rs6000_init_hard_regno_mode_ok): Likewise.
8626         * config/rs6000/rs6000.h (r6000_reg_class_enum): Add support for
8627         wo constraint.
8629         * config/rs6000/altivec.md (altivec_vperm_<mode>): Clean up vperm
8630         expanders not to have constraints.  Add support for ISA 3.0 xxperm
8631         instruction.  Add support for fusing xxlor with xxperm.
8632         (altivec_vperm_<mode>_internal): Likewise.
8633         (altivec_vperm_v8hiv16qi): Likewise.
8634         (altivec_vperm_<mode>v16q): Likewise.
8635         (altivec_vperm_<mode>_uns): Likewise.
8636         (vperm_v8hiv4si): Likewise.
8637         (vperm_v16qiv8hi): Likewise.
8639         * doc/md.texi (RS/6000 constraints): Document wo constraint.
8641 2016-01-04  Jakub Jelinek  <jakub@redhat.com>
8643         Update copyright years.
8645         * gcc.c (process_command): Update copyright notice dates.
8646         * gcov-dump.c (print_version): Ditto.
8647         * gcov.c (print_version): Ditto.
8648         * gcov-tool.c (print_version): Ditto.
8649         * gengtype.c (create_file): Ditto.
8650         * doc/cpp.texi: Bump @copying's copyright year.
8651         * doc/cppinternals.texi: Ditto.
8652         * doc/gcc.texi: Ditto.
8653         * doc/gccint.texi: Ditto.
8654         * doc/gcov.texi: Ditto.
8655         * doc/install.texi: Ditto.
8656         * doc/invoke.texi: Ditto.
8658 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
8660         * config/arm/arm.c (aapcs_vfp_allocate_return_reg): Treat all integer
8661         modes larger than TImode as TImode if NEON is not enabled.
8663 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
8665         PR target/69100
8666         * config/sparc/sparc.h (FUNCTION_ARG_REGNO_P): Return true in 64-bit
8667         mode for %f0-%f31 only if TARGET_FPU.
8669 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
8671         PR target/69072
8672         * config/sparc/sparc.c (scan_record_type): Take into account subfields
8673         to compute the PACKED_P predicate.
8674         (function_arg_record_value): Minor tweaks.
8676 2016-01-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
8678         * doc/install.texi (--with-multilib-list): Describe the meaning of the
8679         option for arm*-*-* targets.
8681 2016-01-03  Sandra Loosemore  <sandra@codesourcery.com>
8683         * doc/extend.texi (Common Function Attributes): Move docs for
8684         MSP430-specific attributes to....
8685         (MSP430 Function Attributes): ...here.  Delete the redundant
8686         entries and copy-edit the remaining text.
8687         (MSP430 Variable Attributes): Use uniform format for index
8688         entries and add a cross-reference to the corresponding function
8689         attribute docs.
8691 2016-01-03  Vladimír Čunát  <vcunat@gmail.com>
8693         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix
8694         -finite-math typo.
8695         (x86 Options): Likewise.
8697 2016-01-01  Sandra Loosemore  <sandra@codesourcery.com>
8699         PR 1078
8701         * extend.texi (Common Function Attributes) <no_stack_limit>: New.
8702         * invoke.texi (Code Gen Options) <-fno-stack-limit>: Add pointer
8703         to corresponding attribute.
8705 2016-01-01  Sandra Loosemore  <sandra@codesourcery.com>
8707         * doc/extend.texi (Common Function Attributes) <noplt>: Move
8708         to correct alphabetization of table.  Copy-edit and correct
8709         markup.
8710         <stack_protect>: Likewise.
8711         <target_clones>: Likewise.
8712         <simd>: Likewise.
8713         * doc/invoke.texi (Optimize Options) <-fstack-protector-explicit>:
8714         Correct punctuation.
8715         (Code Gen Options) <-fno-plt>: Copy-edit.
8717 2016-01-01  Bernd Edlinger  <bernd.edlinger@hotmail.de>
8719         PR target/68917
8720         * config/tilegx/tilegx.md (clzsi2): Don't create DI subregs of
8721         SI values.  Explicitly convert SI to DI and vice-versa.
8723 2016-01-01  Jakub Jelinek  <jakub@redhat.com>
8725         PR tree-optimization/69070
8726         * tree-ssa-math-opts.c (gimple_expand_builtin_pow): Only test
8727         REAL_VALUE_ISSIGNALING_NAN on arg0 if arg0 is a REAL_CST.
8729         PR sanitizer/69055
8730         * ubsan.c (ubsan_instrument_float_cast): Call
8731         initialize_sanitizer_builtins.
8733         PR target/69015
8734         * ifcvt.c (find_cond_trap): Give up if returnjump_p (jump).
8736 Copyright (C) 2016 Free Software Foundation, Inc.
8738 Copying and distribution of this file, with or without modification,
8739 are permitted in any medium without royalty provided the copyright
8740 notice and this notice are preserved.