[AArch64] PR target/70809: Delete aarch64_vmls<mode> pattern
[platform/upstream/gcc.git] / gcc / ChangeLog
1 2016-05-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2
3         PR target/70809
4         * config/aarch64/aarch64-simd.md (aarch64_vmls<mode>): Delete.
5
6 2016-05-17  James Greenhalgh  <james.greenhalgh@arm.com>
7
8         * config/aarch64/aarch64-elf.h (ASM_OUTPUT_DEF): Delete.
9
10 2016-05-17  Ilya Enkovich  <ilya.enkovich@intel.com>
11
12         PR target/71114
13         * config/i386/i386.c (dimode_scalar_chain::convert_op): Fix
14         insertion point for instructions generated by validize_mem.
15
16 2016-05-17  James Greenhalgh  <james.greenhalgh@arm.com>
17
18         * config/aarch64/aarch64.c (SHIFT_COUNT_TRUNCATED): Wrap definition
19         in brackets.
20
21 2016-05-17  James Greenhalgh  <james.greenhalgh@arm.com>
22
23         * config/aarch64/aarch64.c
24         (aarch64_output_simd_mov_immediate): Make "buf_size" a variable
25         rather than a macro.
26
27 2016-05-16  Wilco Dijkstra  <wdijkstr@arm.com>
28
29         * doc/invoke.texi (AArch64 Options): Various updates.
30
31 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
32
33         * ipa-inline-analysis.c (compute_inline_parameters): Disable inlinig
34         into instrumentation thunks.
35         * cif-code.def (CIF_CHKP): New.
36
37 2016-05-16  Uros Bizjak  <ubizjak@gmail.com>
38
39         * config/i386/xopintrin.h: Correct "unsinged" typo in the comments.
40
41 2016-05-16  Martin Jambor  <mjambor@suse.cz>
42
43         * hsa-gen.c (fillup_for_decl): Increase alignment to natural one.
44         (get_symbol_for_decl): Sorry if a global symbol in under-aligned.
45
46 2016-05-16  Marek Polacek  <polacek@redhat.com>
47
48         * gimple.c (maybe_remove_unused_call_args): Fix typos in the
49         commentary.
50
51 2016-05-16  Martin Jambor  <mjambor@suse.cz>
52
53         PR hsa/70857
54         * omp-low.c (grid_expand_target_grid_body): Copy RESULT_DECL of
55         the outlined kernel function.
56
57 2016-05-16  Robert Suchanek  <robert.suchanek@imgtec.com>
58
59         * config/mips/mips.h (ISA_HAS_LSA): Enable for -mmsa.
60         (ISA_HAS_DLSA): Ditto.
61
62 2016-05-16  Matthew Fortune  <matthew.fortune@imgtec.com>
63
64         * config/mips/m5100.md (m51_int_load): Update the latency to 2.
65
66 2016-05-16  Nathan Sidwell  <nathan@acm.org>
67
68         * config/nvptx/nvptx.c (nvptx_mangle_decl_assembler_name): Revert.
69         (nvptx_name_replacement): Restore.  Add comment.
70         (write_fn_proto, write_fn_proto_from_insn,
71         nvptx_output_call_insn): Restore
72         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Delete.
73
74 2016-05-16  Wilco Dijkstra  <wdijkstr@arm.com>
75
76         * config/aarch64/aarch64.md
77         (add<mode>3_compareC_cconly_imm): Remove use of %w.
78         (add<mode>3_compareC_imm): Likewise.
79         (<optab>si3_uxtw): Split into register and immediate variants.
80         (andsi3_compare0_uxtw): Likewise.
81         (and<mode>3_compare0): Likewise.
82         (and<mode>3nr_compare0): Likewise.
83         (stack_protect_test_<mode>): Don't use %x for memory operands.
84
85 2016-05-16  Matthew Fortune  <matthew.fortune@imgtec.com>
86
87         * config/mips/mips-cpus.def (p5600): Add multi-line brackets.
88
89 2016-05-16  Wilco Dijkstra  <wdijkstr@arm.com>
90
91          * gcc/config/aarch64/aarch64.md (aarch64_ashl_sisd_or_int_<mode>3):
92         Split integer shifts into shift_reg and bfm.
93         (aarch64_lshr_sisd_or_int_<mode>3): Likewise.
94         (aarch64_ashr_sisd_or_int_<mode>3): Likewise.
95         (ror<mode>3_insn): Likewise.
96         (<optab>si3_insn_uxtw): Likewise.
97         (<optab><mode>3_insn): Change to rotate_imm.
98         (extr<mode>5_insn_alt): Likewise.
99         (extrsi5_insn_uxtw): Likewise.
100         (extrsi5_insn_uxtw_alt): Likewise.
101
102 2016-05-16  Matthew Wahab  <matthew.wahab@arm.com>
103
104         * doc/tm.texi: Regenerate.
105         * doc/tm.texi.in (TARGET_INVALID_PARAMETER_TYPE): Remove.
106         (TARGET_INVALID_RETURN_TYPE): Remove.
107         * system.h: Poison TARGET_INVALID_PARAMETER_TYPE and
108         TARGET_INVALID_RETURN_TYPE.
109         * target.def (invalid_parameter_type): Remove.
110         (invalid_return_type): Remove.
111
112 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
113
114         * ipa-inline-analysis.c (compute_inline_parameters): Be more reailistic
115         on estimating thunk bodies; do not set inline_failed to CIF_THUNK for
116         calls from thunk.
117         * ipa-inline-transform.c (inline_call): When inlining into thunk produce
118         gimple body.
119         (preserve_function_body_p): No need to preserve function body
120         * cif-codes.def (CIF_THUNK): Remove.
121         * cgraphclones.c (duplicate_thunk_for_node): Thunks calls are inlinable.
122
123 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
124
125         * tree-inline.c (expand_call_inline): recurse after inlining thunk.
126
127 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
128
129         * tree.c (free_lang_data_in_decl): Also set target/optimization flags
130         for thunks.
131
132 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
133
134         * ipa-inline.c (report_inline_failed_reason): Look into thunks, too
135         (inline_small_functions): Do not look for function symbol when
136         resetting caches.
137
138 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
139
140         * lto-cgraph.c (compute_ltrans_boundary, output_symtab): Fix handling
141         of inline thunks
142
143 2016-05-16  Matthew Wahab  <matthew.wahab@arm.com>
144             Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
145             Jiong Wang  <jiong.wang@arm.com>
146
147         * config/arm/arm-c.c (arm_cpu_builtins): Use def_or_undef_macro
148         for __ARM_FP16_FORMAT_IEEE and __ARM_FP16_FORMAT_ALTERNATIVE.
149         Define __ARM_FP16_ARGS when appropriate.
150         * config/arm/arm.c (arm_invalid_parameter_type): Remove
151         declaration.
152         (arm_invalid_return_type): Likewise.
153         (TARGET_INVALID_PARAMETER_TYPE): Remove.
154         (TARGET_INVALID_RETURN_TYPE): Remove.
155         (aapcs_vfp_sub_candidate): Allow HFmode.
156         (aapcs_vfp_allocate): Add comment.  Support HFmode.
157         (aapcs_vfp_allocate_return_reg): Likewise.
158         (struct aapcs_cp_arg_layout): Slightly reword comments for
159         is_return_candidate and allocate_return_reg.
160         (output_mov_vfp): Update assert.
161         (arm_hard_regno_mode_ok): Remove comment, update HF-mode
162         condition.
163         (arm_invalid_parameter_type): Remove.
164         (amr_invalid_return_type): Remove.
165         * config/arm/arm.h (TARGET_NEON_FP16): Fix definition.
166         * config/arm/arm.md (*arm32_movhf): Disable for TARGET_VFP.
167         * config/arm/vfp.md (*movhf_vfp): Enable for TARGET_VFP.
168
169 2016-05-16  Matthew Wahab  <matthew.wahab@arm.com>
170
171         * config/aarch64/aarch64.h (LEGITIMIZE_RELOAD_ADDRESS): Remove.
172         * config/aarch64/arch64-protos.h
173         (aarch64_legitimize_reload_address): Remove.
174         * config/aarch64/aarch64.c (aarch64_legitimize_reload_address):
175         Remove.
176
177 2016-05-16  Eric Botcazou  <ebotcazou@adacore.com>
178
179         * configure.ac: Add ACX_NONCANONICAL_HOST.
180         * configure: Regenerate.
181         * Makefile.in: Set host_noncanonical.
182
183 2016-05-14  Uros Bizjak  <ubizjak@gmail.com>
184
185         PR target/71097
186         * config/i386/i386.md (*movtf_internal): Before register allocation,
187         do not allow FP constants for CM_MEDIUM memory model, allow only
188         standard FP constants for CM_LARGE and CM_LARGE_PIC models.
189         (*movxf_internal): Ditto.
190         (*movdf_internal): Ditto.
191         (*movsf_internal): Ditto.
192
193 2016-05-13  Segher Boessenkool  <segher@kernel.crashing.org>
194
195         PR rtl-optimization/67483
196         * combine.c (make_compound_operation): Don't call extract_left_shift
197         with negative shift amounts.
198
199 2016-05-13  Jakub Jelinek  <jakub@redhat.com>
200
201         PR bootstrap/71071
202         * fold-const.c (fold_checksum_tree): Allow modification
203         of TYPE_ALIAS_SET during folding.
204
205         * config/i386/i386.c (ix86_compute_frame_layout, ix86_expand_prologue,
206         ix86_expand_split_stack_prologue): Use HOST_WIDE_INT_C macro.
207         (ix86_split_to_parts): Likewise.  Fix up formatting.
208
209 2016-05-13  H.J. Lu  <hongjiu.lu@intel.com>
210
211         * tree-ssa-loop-ivopts.c (create_new_ivs): Cast to
212         unsigned HOST_WIDE_INT with HOST_WIDE_INT_PRINT_UNSIGNED in
213         printf format.
214
215 2016-05-13  Nathan Sidwell  <nathan@acm.org>
216
217         * config/nvptx/nvptx.c (nvptx_mangle_decl_assembler_name): New.
218         (nvptx_name_replacement): Delete.
219         (write_fn_proto, write_fn_proto_from_insn,
220         nvptx_output_call_insn): Remove nvptx_name_replacement call.
221         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Override.
222         * langhooks.c (add_builtin_funcction_common): Call
223         targetm.mangle_decl_assembler_name.
224
225         * config/nvptx/nvptx.c (write_fn_proto): Handle
226         BUILT_IN_ATOMIC_COMPARE_EXCHANGE_n oddity.
227
228 2016-05-13  Martin Liska  <mliska@suse.cz>
229
230         * tree-ssa-loop-ivopts.c (create_new_ivs): Use HOST_WIDE_INT_PRINT_DEC
231         and PRIu64 in printf format.
232
233 2016-05-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
234
235         * tree-ssa-loop-ivanon.c (try_unroll_loop_completely): Typo fix in
236         comment.
237
238 2016-05-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
239
240         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
241         Change --param max-completely-peeled-times to
242         --param max-completely-peel-times in dump file printing.
243
244 2016-05-13  Richard Biener  <rguenther@suse.de>
245
246         PR tree-optimization/42587
247         * tree-ssa-math-opts.c (perform_symbolic_merge): Handle BIT_FIELD_REF.
248         (find_bswap_or_nop_1): Likewise.
249         (bswap_replace): Likewise.
250
251 2016-05-13  Martin Liska  <mliska@suse.cz>
252
253         * tree-vect-patterns.c (vect_recog_mask_conversion_pattern):
254         Initialize a variable with default value.
255
256 2016-05-13  Martin Liska  <mliska@suse.cz>
257
258         * doc/invoke.texi: Enhance explanation of error recovery
259         of sanitizers.
260
261 2016-05-13  Martin Liska  <mliska@suse.cz>
262
263         * tree-ssa-loop-ivopts.c (avg_loop_niter): Fix coding style.
264         (struct cost_pair): Change inv_expr_id (int) to inv_expr
265         (iv_inv_expr_ent *).
266         (struct iv_inv_expr_ent): Comment struct fields.
267         (sort_iv_inv_expr_ent): New function.
268         (struct ivopts_data): Rename inv_expr_id to max_inv_expr_id.
269         (struct iv_ca): Replace used_inv_expr and num_used_inv_expr with
270         a hash_map between iv_inv_expr_ent and number of usages.
271         (niter_for_exit): Fix coding style.
272         (tree_ssa_iv_optimize_init): Use renamed variable.
273         (determine_base_object): Fix coding style.
274         (alloc_iv): Likewise.
275         (find_interesting_uses_outside): Likewise.
276         (add_candidate_1): Likewise.
277         (add_standard_iv_candidates): Likewise.
278         (set_group_iv_cost): Replace inv_expr_id with inv_expr.
279         (prepare_decl_rtl): Fix coding style.
280         (get_address_cost): Likewise.
281         (get_shiftadd_cost): Likewise.
282         (force_expr_to_var_cost): Likewise.
283         (compare_aff_trees): Likewise.
284         (get_expr_id): Restructure the function.
285         (get_loop_invariant_expr_id): Renamed to
286         get_loop_invariant_expr.
287         (get_computation_cost_at): Replace usage of inv_expr_id with
288         inv_expr.
289         (get_computation_cost): Likewise.
290         (determine_group_iv_cost_generic): Likewise.
291         (determine_group_iv_cost_address): Likewise.
292         (iv_period): Fix coding style.
293         (iv_elimination_compare_lt): Likewise.
294         (may_eliminate_iv): Likewise.
295         (determine_group_iv_cost_cond):  Replace usage of inv_expr_id with
296         inv_expr.
297         (determine_group_iv_costs): Dump invariant expressions.
298         (iv_ca_recount_cost): Use the newly added hash_map.
299         (iv_ca_set_remove_invariants): Fix coding style.
300         (iv_ca_set_add_invariants): Fix coding style.
301         (iv_ca_set_no_cp): Utilize the newly added hash_map for used
302         invariants.
303         (iv_ca_set_cp): Likewise.
304         (iv_ca_new): Initialize the newly added hash_map and remove
305         initialization of fields.
306         (iv_ca_free): Delete the hash_map.
307         (iv_ca_dump): Dump invariant expressions.
308         (iv_ca_extend): Fix coding style.
309         (try_add_cand_for): Likewise.
310         (create_new_ivs): Dump information about # of avg iterations and
311         # of used invariant expressions.
312         (rewrite_use_compare): Fix coding style.
313         (free_loop_data): Set default value for max_inv_expr_id.
314
315 2016-05-13  Ilya Enkovich  <ilya.enkovich@intel.com>
316
317         * cse.c (rest_of_handle_cse): Use cleanup_cfg
318         returned value cse_cfg_altered computation.
319         (rest_of_handle_cse2): Likewise.
320         (rest_of_handle_cse_after_global_opts): Likewise.
321
322 2016-05-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
323
324         PR target/53440
325         * config/arm/arm.c (arm32_output_mi_thunk): New.
326         (arm_output_mi_thunk): Rename to arm_thumb1_mi_thunk. Rework
327         to split Thumb1 vs TARGET_32BIT functionality.
328         (arm_thumb1_mi_thunk): New.
329
330 2016-05-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
331
332         * config/aarch64/aarch64.c (TARGET_OMIT_STRUCT_RETURN_REG): Set
333         to true.
334
335 2016-05-13  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
336
337         PR target/71080
338         * config/i386/i386.c (ix86_in_large_data_p): Guard against NULL exp.
339
340 2016-05-13  Eric Botcazou  <ebotcazou@adacore.com>
341
342         * builtins.c (expand_builtin_memcmp): Do not emit the call here.
343         (expand_builtin_trap): Emit a regular call.
344         (set_builtin_user_assembler_name): Remove obsolete cases.
345         * dse.c (scan_insn): Adjust.
346         * except.c: Include calls.h.
347         (sjlj_emit_function_enter): If DONT_USE_BUILTIN_SETJMP is defined,
348         emit a regular call to setjmp.
349         * expr.c (emit_block_move_hints): Call emit_block_copy_via_libcall.
350         (block_move_libcall_safe_for_call_parm): Use memcpy builtin.
351         (emit_block_move_via_libcall): Delete.
352         (block_move_fn): Delete.
353         (init_block_move_fn): Likewise.
354         (emit_block_move_libcall_fn): Likewise.
355         (emit_block_op_via_libcall): New function.
356         (set_storage_via_libcall): Tidy up and use memset builtin.
357         (block_clear_fn): Delete.
358         (init_block_clear_fn): Likewise.
359         (clear_storage_libcall_fn): Likewise.
360         (expand_assignment): Call emit_block_move_via_libcall.
361         Do not include gt-expr.h.
362         * expr.h (emit_block_op_via_libcall): Declare.
363         (emit_block_copy_via_libcall): New inline function.
364         (emit_block_move_via_libcall): Likewise.
365         (emit_block_comp_via_libcall): Likewise.
366         (block_clear_fn): Delete.
367         (init_block_move_fn): Likewise.
368         (init_block_clear_fn): Likewise.
369         (emit_block_move_via_libcall): Likewise.
370         (set_storage_via_libcall): Add default parameter value.
371         * libfuncs.h (enum libfunc_index): Remove obsolete values.
372         (abort_libfunc): Delete.
373         (memcpy_libfunc): Likewise.
374         (memmove_libfunc): Likewise.
375         (memcmp_libfunc): Likewise.
376         (memset_libfunc): Likewise.
377         (setbits_libfunc): Likewise.
378         (setjmp_libfunc): Likewise.
379         (longjmp_libfunc): Likewise.
380         (profile_function_entry_libfunc): Likewise.
381         (profile_function_exit_libfunc): Likewise.
382         (gcov_flush_libfunc): Likewise.
383         * optabs-libfuncs.c (build_libfunc_function): Set DECL_ARTIFICIAL
384         and DECL_VISIBILITY on the declaration.
385         (init_optabs): Do not initialize obsolete libfuncs.
386         * optabs.c (prepare_cmp_insn): Call emit_block_comp_via_libcall.
387         * tree-core.h (ECF_RET1): Define.
388         (ECF_TM_PURE): Adjust.
389         (ECF_TM_BUILTIN): Likewise.
390         * tree.c (set_call_expr_flags): Deal with ECF_RET1.
391         (build_common_builtin_nodes): Initialize abort builtin.
392         Add ECF_RET1 on memcpy, memmove and memset builtins.
393         Pass final flags for alloca and alloca_with_align builtins.
394         * config/alpha/alpha.c (alpha_init_libfuncs): Do not initialize
395         obsolete builtins.
396         * config/ia64/ia64.c (ia64_vms_init_libfuncs): Likewise.
397         * config/i386/i386.c (ix86_expand_set_or_movmem): Adjust call to
398         set_storage_via_libcall and call emit_block_copy_via_libcall.
399
400 2016-05-12  Uros Bizjak  <ubizjak@gmail.com>
401
402         * config/i386/i386.md (*call_got_x32): Change operand 0 to
403         DImode before it is passed to ix86_output_call_operand.
404         (*call_value_got_x32): Ditto for operand 1.
405
406 2016-05-12  Jiong Wang  <jiong.wang@arm.com>
407
408         PR rtl-optimization/70904
409         * lra-constraint.c (process_addr_reg): Relax the restriction on subreg
410         reload for wide mode.
411
412 2016-05-12  Marek Polacek  <polacek@redhat.com>
413
414         PR c/70756
415         * langhooks-def.h (lhd_incomplete_type_error): Adjust declaration.
416         * langhooks.c (lhd_incomplete_type_error): Add location parameter.
417         * langhooks.h (incomplete_type_error): Likewise.
418         * tree.c (size_in_bytes_loc): Renamed from size_in_bytes.  Add location
419         parameter, pass it down to incomplete_type_error.
420         * tree.h (size_in_bytes): New inline overload.
421         (size_in_bytes_loc): Renamed from size_in_bytes.
422
423 2016-05-12  Richard Biener  <rguenther@suse.de>
424
425         PR tree-optimization/71059
426         * tree-ssa-pre.c (phi_translate_1): Fully fold translated
427         nary before looking up or entering the expression into the VN
428         hashes.
429         * tree-ssa-sccvn.c (vn_nary_build_or_lookup): Fix comment typo.
430         Make sure to re-use NARYs without result as inserted by
431         phi-translation.
432
433 2016-05-12  Richard Biener  <rguenther@suse.de>
434
435         PR tree-optimization/71062
436         * tree-ssa-alias.h (struct pt_solution): Add vars_contains_restrict
437         field.
438         * tree-ssa-structalias.c (set_uids_in_ptset): Set
439         vars_contains_restrict if the var is a restrict tag.
440         * tree-ssa-alias.c (ptrs_compare_unequal): If vars_contains_restrict
441         do not disambiguate pointers against it.
442         (dump_points_to_solution): Re-structure and adjust for new
443         vars_contains_restrict flag.
444         * gimple-pretty-print.c (pp_points_to_solution): Likewise.
445
446 2016-05-12  Martin Liska  <mliska@suse.cz>
447
448         * doc/invoke.texi: Explain connection between
449         -fsanitize-recover=address and ASAN_OPTIONS="halt_on_error=1".
450
451 2016-05-12  Ilya Enkovich  <ilya.enkovich@intel.com>
452
453         PR tree-optimization/71006
454         * tree-vect-loop.c (vect_determine_vectorization_factor): Don't
455         consider COND_EXPR as a mask producer.
456
457 2016-05-12  Marek Polacek  <polacek@redhat.com>
458
459         PR driver/71063
460         * opts.c (common_handle_option): Detect missing argument for --help^.
461
462 2016-05-12  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
463
464         PR target/70830
465         * config/arm/arm.c (arm_output_multireg_pop): Avoid POP instruction
466         when popping the PC and within an interrupt handler routine.
467         Add missing tab to output of "ldmfd".
468         (output_return_instruction): Output LDMFD with SP update rather
469         than POP when returning from interrupt handler.
470
471 2016-05-12  Jakub Jelinek  <jakub@redhat.com>
472
473         * config/i386/i386.md (isa): Add x64_avx512dq, enable if
474         TARGET_64BIT && TARGET_AVX512DQ.
475         * config/i386/sse.md (*vec_extract<mode>): Add avx512bw alternatives.
476         (*vec_extract<PEXTR_MODE12:mode>_zext): Add avx512bw alternative.
477         (*vec_extract<ssevecmodelower>_0, *vec_extractv4si_0_zext,
478         *vec_extractv2di_0_sse): Use v constraint instead of x constraint.
479         (*vec_extractv4si): Add avx512dq and avx512bw alternatives.
480         (*vec_extractv4si_zext): Add avx512dq alternative.
481         (*vec_extractv2di_1): Add x64_avx512dq and avx512bw alternatives,
482         use v instead of x constraint in other alternatives where possible.
483
484         * config/i386/sse.md (sse2_loadld): Use v instead of x
485         constraint in alternatives 0,1,4.
486
487         * config/i386/sse.md (pinsr_evex_isa): New mode attr.
488         (<sse2p4_1>_pinsr<ssemodesuffix>): Add 2 alternatives with
489         v constraints instead of x and <pinsr_evex_isa> isa attribute.
490
491         PR target/71019
492         * config/i386/sse.md (<sse2_avx2>_packssdw<mask_name>,
493         <sse4_1_avx2>_packusdw<mask_name>): Make sure EVEX encoded insn
494         is not emitted unless TARGET_AVX512BW.
495         (<sse2_avx2>_packuswb<mask_name>, <sse2_avx2>_packsswb<mask_name>):
496         Likewise.  For TARGET_AVX512BW, use "=v" constraint instead of "=x"
497         for the result operand.
498
499         * config/i386/sse.md (*vec_setv4sf_sse4_1, sse4_1_insertps): Use v
500         constraint instead of x in avx alternatives.  Use maybe_evex instead
501         of vex prefix.
502
503         * config/i386/constraints.md (Yv): New constraint.
504         * config/i386/i386.h (VALID_AVX512VL_128_REG_MODE): Allow
505         TFmode and V1TImode in xmm16+ registers for TARGET_AVX512VL.
506         * config/i386/i386.md (avx512fvecmode): New mode attr.
507         (*pushtf): Use v constraint instead of x.
508         (*movtf_internal): Likewise.  For TARGET_AVX512VL and
509         xmm16+ registers, use vmovdqu64 or vmovdqa64 instructions.
510         (*absneg<mode>2): Use Yv constraint instead of x constraint.
511         (*absnegtf2_sse): Likewise.
512         (copysign<mode>3_const, copysign<mode>3_var): Likewise.
513         * config/i386/sse.md (*andnot<mode>3): Add avx512vl and
514         avx512f alternatives.
515         (*andnottf3, *<code><mode>3, *<code>tf3): Likewise.
516
517 2016-05-12  Richard Biener  <rguenther@suse.de>
518
519         PR tree-optimization/71060
520         * tree-data-ref.c (initialize_data_dependence_relation): Do not
521         require exact match of DR_BASE_OBJECT but only matching address and
522         type.
523
524 2016-05-12  Richard Biener  <rguenther@suse.de>
525
526         PR tree-optimization/70986
527         * cfganal.c: Include cfgloop.h.
528         (dfs_find_deadend): Prefer to take edges exiting loops.
529
530 2016-05-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
531
532         * gcc.target/powerpc/pr70963.c: Require at least power8 at both
533         compile and run time.
534
535 2016-05-11  Mikhail Maltsev  <maltsevm@gmail.com>
536
537         PR c/43651
538         * doc/invoke.texi (Wduplicate-decl-specifier): Document new option.
539
540 2016-05-11  Uros Bizjak  <ubizjak@gmail.com>
541
542         * config/i386/i386.c (legitimize_pic_address): Use
543         copy_to_suggested_reg instead of gen_movsi.
544
545 2016-05-11  Michael Meissner  <meissner@linux.vnet.ibm.com>
546
547         * config/rs6000/predicates.md (quad_memory_operand): Move most of
548         the code into quad_address_p and call it to share code with
549         vsx_quad_dform_memory_operand.
550         (vsx_quad_dform_memory_operand): New predicate for ISA 3.0 vector
551         d-form support.
552         * config/rs6000/rs6000.opt (-mlra): Switch to being an option mask
553         bit instead of being a separate word.  Split -mpower9-dform into
554         two switches, -mpower9-dform-scalar and -mpower9-dform-vector.
555         * config/rs6000/rs6000.c (RELOAD_REG_QUAD_OFFSET): New addr_mask
556         for the register class supporting 128-bit quad word memory offsets.
557         (mode_supports_vsx_dform_quad): Helper function to return if the
558         register class uses quad word memory offsets.
559         (rs6000_debug_addr_mask): Add support for quad word memory offsets.
560         (rs6000_debug_reg_global): Always print if we are using LRA or not.
561         (rs6000_setup_reg_addr_masks): If ISA 3.0 vector d-form
562         instructions are enabled, set up the appropriate addr_masks for
563         128-bit types.
564         (rs6000_init_hard_regno_mode_ok): wb constraint is now based on
565         -mpower9-dform-scalar, instead of -mpower9-dform.
566         (rs6000_option_override_internal): Split -mpower9-dform into two
567         switches, -mpower9-dform-scalar and -mpower9-dform-vector.  The
568         -mpower9-dform switch sets or clears both.  If we are not using
569         the LRA register allocator, do not enable -mpower9-dform-vector by
570         default.  If we are using LRA, enable -mpower9-dform-vector and
571         -mvsx-timode if it is appropriate.  Issue a warning if either
572         -mpower9-dform-vector or -mvsx-timode are explicitly used without
573         enabling LRA.
574         (quad_address_offset_p): New helper function to return if the
575         offset is legal for quad word memory instructions.
576         (quad_address_p): New function to determin if GPR or vector
577         register quad word memory addresses are legal.
578         (mem_operand_gpr): Validate quad word address offsets.
579         (reg_offset_addressing_ok_p): Add support for ISA 3.0 vector
580         d-form (register + offset) instructions.
581         (offsettable_ok_by_alignment): Likewise.
582         (rs6000_legitimate_offset_address_p): Likewise.
583         (legitimate_lo_sum_address_p): Likewise.
584         (rs6000_legitimize_address): Likewise.
585         (rs6000_legitimize_reload_address): Add more debug statements for
586         -mdebug=addr.
587         (rs6000_legitimate_address_p): Add support for ISA 3.0 vector
588         d-form instructions.
589         (rs6000_secondary_reload_memory): Add support for ISA 3.0 vector
590         d-form instructions.  Distinguish different cases in debug
591         output. (rs6000_secondary_reload_inner): Add support for ISA 3.0 vector
592         d-form instructions.
593         (rs6000_preferred_reload_class): Likewise.
594         (rs6000_output_move_128bit): Add support for ISA 3.0 d-form
595         instructions.  If ISA 3.0 is available, generate lxvx/stxvx instead
596         of the ISA 2.06 indexed memory instructions.
597         (rs6000_emit_prologue): If we have ISA 3.0 d-form instructions,
598         use them to save/restore the saved vector registers instead of
599         using Altivec instructions.
600         (rs6000_emit_epilogue): Likewise.
601         (rs6000_lra_p): Use TARGET_LRA instead of the old option word.
602         (rs6000_opt_masks): Split -mpower9-dform into
603         -mpower9-dform-scalar and -mpower9-dform-vector.
604         (rs6000_print_options_internal): Print -mno-<switch> if <switch>
605         was not selected.
606         * config/rs6000/vsx.md (p9_vecload_<mode>): Delete hack to emit
607         ISA 3.0 vector indexed memory instructions, and fold the code into
608         the normal mov<mode> patterns.
609         (p9_vecstore_<mode>): Likewise.
610         (vsx_mov<mode>): Add support for ISA 3.0 vector d-form
611         instructions.
612         (vsx_movti_64bit): Likewise.
613         (vsx_movti_32bit): Likewise.
614         * config/rs6000/constraints.md (wO constraint): New constraint for
615         ISA 3.0 vector d-form support.
616         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Use
617         -mpower9-dform-scalar instead of -mpower9-dform.  Add note not to
618         include -mpower9-dform-vector until we switch over to LRA.
619         (POWERPC_MASKS): Add -mlra. Split -mpower9-dform into two.
620         switches, -mpower9-dform-scalar and -mpower9-dform-vector.
621         * config/rs6000/rs6000-protos.h (quad_address_p): Add declaration.
622         * doc/invoke.texi (RS/6000 and PowerPC Options): Add documentation
623         for -mpower9-dform and -mlra.
624         * doc/md.texi (wO constraint): Document wO constraint.
625
626 2016-05-11  Alexander Monakov  <amonakov@ispras.ru>
627
628         * genattr.c (main): Change 'rtx' to 'rtx_insn *' in prototypes of
629         'insn_latency', 'maximal_insn_latency', 'min_insn_conflict_delay'.
630         * genautomata.c (output_internal_insn_code_evaluation): Simplify.
631         Move handling of non-insn arguments inline into the sole user:
632         (output_trans_func): ...here.
633         (output_min_insn_conflict_delay_func): Change 'rtx' to 'rtx_insn *'
634         in emitted function prototype.
635         (output_internal_insn_latency_func): Ditto.  Simplify.
636         (output_internal_maximal_insn_latency_func): Ditto.  Delete
637         always-unused argument.
638         (output_insn_latency_func): Ditto.
639         (output_maximal_insn_latency_func): Ditto.
640
641 2016-05-11  Richard Biener  <rguenther@suse.de>
642
643         PR tree-optimization/71055
644         * tree-ssa-sccvn.c (vn_reference_lookup_3): When native-interpreting
645         sth with precision not equal to access size verify we don't chop
646         off bits.
647
648 2016-05-11  Richard Biener  <rguenther@suse.de>
649
650         PR debug/71057
651         * dwarf2out.c (retry_incomplete_types): Set early_dwarf.
652         (dwarf2out_finish): Move retry_incomplete_types call ...
653         (dwarf2out_early_finish): ... here.
654
655 2016-05-11  Richard Biener  <rguenther@suse.de>
656
657         PR middle-end/71002
658         * alias.c (reference_alias_ptr_type): Preserve alias-set zero
659         if the langhook insists on it.
660         * fold-const.c (make_bit_field_ref): Add arg for the original
661         reference and preserve its alias-set.
662         (decode_field_reference): Take exp by reference and adjust it
663         to the original memory reference.
664         (optimize_bit_field_compare): Adjust callers.
665         (fold_truth_andor_1): Likewise.
666         * gimplify.c (gimplify_expr): Adjust in-SSA form test.
667
668 2016-05-11  Ilya Enkovich  <ilya.enkovich@intel.com>
669
670         PR middle-end/70807
671         * cfgrtl.h (delete_insn_and_edges): Now return bool.
672         * cfgrtl.c (delete_insn_and_edges): Likewise.
673         * config/i386/i386.c (convert_scalars_to_vector): Remove
674         redundant code.
675         * cse.c (cse_insn): Compute cse_cfg_altered.
676         (delete_trivially_dead_insns): Likewise.
677         (cse_cc_succs): Likewise.
678         (rest_of_handle_cse): Free dominance info if required.
679         (rest_of_handle_cse2): Likewise.
680         (rest_of_handle_cse_after_global_opts): Likewise.
681
682 2016-05-11  Alan Modra  <amodra@gmail.com>
683
684         * config/rs6000/rs6000.c (is_complex_IBM_long_double,
685         abi_v4_pass_in_fpr): New functions.
686         (rs6000_function_arg_boundary): Exclude complex IBM long double
687         from 64-bit alignment when ABI_V4.
688         (rs6000_function_arg, rs6000_function_arg_advance_1,
689         rs6000_gimplify_va_arg): Use abi_v4_pass_in_fpr.
690
691 2016-05-10  Segher Boessenkool  <segher@kernel.crashing.org>
692
693         PR rtl-optimization/71028
694         * cfgcleanup.c (try_optimize_cfg): Do not flip a conditional
695         jump with just a return in the fallthrough block if the branch
696         block contains just a return as well.
697
698 2016-05-10  Marc Glisse  <marc.glisse@inria.fr>
699
700         * fold-const.c (fold_binary_loc) [(X ^ Y) & Y]: Remove and merge with...
701         * match.pd ((X & Y) ^ Y): ... this.
702         ((X & Y) & Y, (X | Y) | Y, (X ^ Y) ^ Y, (X & Y) & (X & Z), (X | Y)
703         | (X | Z), (X ^ Y) ^ (X ^ Z)): New transformations.
704
705 2016-05-10  David Malcolm  <dmalcolm@redhat.com>
706
707         * read-md.c (require_char_ws): New function.
708         (read_string): Simplify using require_char_ws.
709         (handle_constants): Likewise.
710         (handle_enum): Likewise.
711         (handle_file): Likewise.
712         * read-md.h (require_char_ws): New declaration.
713         * read-rtl.c (read_conditions): Simplify using require_char_ws.
714         (read_mapping): Likewise.
715         (read_rtx_code): Likewise.
716         (read_nested_rtx): Likewise.
717
718 2016-05-10  James Norris  <jnorris@codesourcery.com>
719
720         * config/rs6000/sysv4.h (CRTOFFLOADBEGIN): Define. Add crtoffloadbegin.o
721         if offloading is enabled and -fopenacc or -fopenmp is specified.
722         (CRTOFFLOADEND): Likewise.
723         (STARTFILE_LINUX_SPEC): Add CRTOFFLOADBEGIN.
724         (ENDFILE_LINUX_SPEC): Add CRTOFFLOADEND.
725
726 2016-05-10  Uros Bizjak  <ubizjak@gmail.com>
727
728         * config/i386/i386.c (legitimize_pic_address): Merge 64-bit and 32-bit
729         gotoff_operand code paths.  Use copy_to_suggested_regs and
730         expand_simple_binop where appropriate.  Cleanup.
731
732 2016-05-10  Ilya Enkovich  <ilya.enkovich@intel.com>
733
734         PR target/70799
735         * config/i386/i386.c (dimode_scalar_to_vector_candidate_p): Allow
736         integer constants.
737         (dimode_scalar_chain::vector_const_cost): New.
738         (dimode_scalar_chain::compute_convert_gain): Handle constants.
739         (dimode_scalar_chain::convert_op): Likewise.
740         (dimode_scalar_chain::convert_insn): Likewise.
741
742 2016-05-10  Pierre-Marie de Rodat  <derodat@adacore.com>
743
744         * dwarf2out.c (resolve_args_picking_1): Consider DW_OP_neg as an
745         unary operation, not a binary one.
746
747 2016-05-10  Ilya Enkovich  <ilya.enkovich@intel.com>
748
749         PR middle-end/70877
750         * tree-chkp.c (chkp_add_bounds_to_call_stmt): Handle
751         calls with type casted fndecl.
752
753 2016-05-10  Ilya Enkovich  <ilya.enkovich@intel.com>
754
755         PR tree-optimization/70786
756         * tree-chkp.c (chkp_find_bounds_1): Support WITH_SIZE_EXPR.
757         * gcc/calls.c (initialize_argument_information): Bind bounds
758         with corresponding args passed by reference.
759
760 2016-05-10  Jakub Jelinek  <jakub@redhat.com>
761
762         PR target/70927
763         * config/i386/sse.md (<sse>_andnot<mode>3<mask_name>),
764         *<code><mode>3<mask_name>): For !TARGET_AVX512DQ and EVEX encoding,
765         use vp*[dq] instead of v*p[sd] instructions and adjust mode attribute
766         accordingly.
767
768 2016-05-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
769
770         PR target/70963
771         * config/rs6000/vsx.md (vsx_xvcvdpsxds_scale): Generate correct
772         code for a zero scale factor.
773         (vsx_xvcvdpuxds_scale): Likewise.
774
775 2016-05-10  David Malcolm  <dmalcolm@redhat.com>
776
777         * diagnostic-show-locus.c (layout::layout): Call show_ruler
778         if show_ruler_p was set on the context.
779         (layout::show_ruler): New method.
780         * diagnostic.h (struct diagnostic_context): Add field
781         "show_ruler_p".
782
783 2016-05-10  Richard Biener  <rguenther@suse.de>
784
785         PR tree-optimization/71039
786         * tree-ssa-phiprop.c: Include tree-ssa-loop.h.
787         (chk_uses): New function.
788         (propagate_with_phi): Verify we can safely replicate the lhs of an
789         aggregate assignment on all incoming edges.
790
791 2016-05-10  Oleg Endo  <olegendo@gcc.gnu.org>
792
793         * config/rx/rx-protos.h (is_interrupt_func, is_fast_interrupt_func):
794         Forward declare.
795         (rx_atomic_sequence): New class.
796         * config/rx/rx.c (rx_print_operand): Use symbolic names for PSW bits.
797         (is_interrupt_func, is_fast_interrupt_func): Make non-static and
798         non-inline.
799         (rx_atomic_sequence::rx_atomic_sequence,
800         rx_atomic_sequence::~rx_atomic_sequence): New functions.
801         * config/rx/rx.md (CTRLREG_PSW, CTRLREG_USP, CTRLREG_FPSW, CTRLREG_CPEN,
802         CTRLREG_BPSW, CTRLREG_BPC, CTRLREG_ISP, CTRLREG_FINTV,
803         CTRLREG_INTB): New constants.
804         (FETCHOP): New code iterator.
805         (fethcop_name, fetchop_name2): New iterator code attributes.
806         (QIHI): New mode iterator.
807         (atomic_exchange<mode>, atomic_exchangesi, xchg_mem<mode>,
808         atomic_fetch_<fetchop_name>si, atomic_fetch_nandsi,
809         atomic_<fetchop_name>_fetchsi, atomic_nand_fetchsi): New patterns.
810
811 2016-05-10  Martin Liska  <mliska@suse.cz>
812
813         * tree-inline.c (remap_dependence_clique): Do not remap
814         debugging statements.
815
816 2016-05-10  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
817
818         * config/s390/s390.md ("*vec_cmp<insn_cmp>df_cconly")
819         ("*fixuns_truncdfdi2_z13")
820         ("*fixuns_trunc<FP:mode><GPR:mode>2_z196")
821         ("*fix_truncdfdi2_bfp_z13", "*floatunsdidf2_z13")
822         ("*extendsfdf2_z13"): Replace TARGET_Z13 with TARGET_VX.
823
824 2016-05-10  Richard Biener  <rguenther@suse.de>
825
826         PR tree-optimization/70497
827         PR tree-optimization/28367
828         * tree-ssa-sccvn.c (vn_nary_build_or_lookup): New function
829         split out from ...
830         (visit_reference_op_load): ... here.
831         (vn_reference_lookup_3): Use it to handle subreg-like accesses
832         with simplified BIT_FIELD_REFs.
833         * tree-ssa-pre.c (eliminate_insert): Handle inserting BIT_FIELD_REFs.
834         * tree-complex.c (extract_component): Handle BIT_FIELD_REFs
835         correctly.
836
837 2016-05-10  Pierre-Marie de Rodat  <derodat@adacore.com>
838
839         * dwarf2out.c (add_abstract_origin_attribute): Adjust
840         documentation comment.  For BLOCK nodes, add a
841         DW_AT_abstract_origin attribute that points to the DIE generated
842         for the origin BLOCK.
843         (gen_lexical_block_die): Call add_abstract_origin_attribute for
844         blocks from inlined functions.
845
846 2016-05-10  Alan Modra  <amodra@gmail.com>
847
848         PR target/70947
849         * config/rs6000/rs6000.c (rs6000_expand_split_stack_prologue): Stop
850         regrename modifying insns saving lr before __morestack call.
851         * config/rs6000/rs6000.md (split_stack_return): Similarly for
852         insns restoring lr after __morestack call.
853
854 2016-05-09  Jakub Jelinek  <jakub@redhat.com>
855
856         * config/i386/i386.md (set_got, set_got_labelled, lwp_llwpcb,
857         lwp_lwpval<mode>3, lwp_lwpins<mode>3): Remove constraints from
858         expanders.
859         * config/i386/sse.md (vec_interleave_high<mode>,
860         vec_interleave_low<mode>, <avx512>_vpermi2var<mode>3_maskz,
861         <avx512>_vpermt2var<mode>3_maskz): Likewise.
862
863 2016-05-04  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
864
865         * config/rs6000/rs6000.c (rs6000_reassociation_width): Add
866         function for TARGET_SCHED_REASSOCIATION_WIDTH to enable
867         parallel reassociation for power8 and forward.
868
869 2016-05-09  Uros Bizjak  <ubizjak@gmail.com>
870
871         * config/i386/i386.md (absneg splitters with general regs): Use
872         general_reg_operand predicate.
873         (btsq peephole2): Use x86_64_immediate_operand to check if new
874         value is suitable for immediate operand.  Generate emitted insn
875         using RTL expressions.
876         (btcq peephole2): Ditto.
877         (btrq peephole2): Ditto.  Generate correct immediate operand
878         for AND masking.
879
880 2016-05-09  Richard Sandiford  <richard.sandiford@arm.com>
881
882         * cfgexpand.c (expand_debug_expr): Fix address offset for negative
883         bitpos.
884
885 2016-05-09  Richard Sandiford  <richard.sandiford@arm.com>
886
887         * tree-affine.c (wide_int_constant_multiple_p): Add missing
888         pointer dereference.
889
890 2016-05-09  Richard Biener  <rguenther@suse.de>
891
892         PR tree-optimization/70985
893         * match.pd (BIT_FIELD_REF -> (type)): Disable on GIMPLE when
894         op0 isn't a gimple register.
895
896 2016-05-09  Prachi Godbole  <prachi.godbole@imgtec.com>
897
898         * config/mips/i6400.md (i6400_fpu_intadd, i6400_fpu_logic)
899         (i6400_fpu_div, i6400_fpu_cmp, i6400_fpu_float, i6400_fpu_store)
900         (i6400_fpu_long_pipe, i6400_fpu_logic_l, i6400_fpu_float_l)
901         (i6400_fpu_mult): New cpu units.
902         (i6400_msa_add_d, i6400_msa_int_add, i6400_msa_short_logic3)
903         (i6400_msa_short_logic2, i6400_msa_short_logic, i6400_msa_move)
904         (i6400_msa_cmp, i6400_msa_short_float2, i6400_msa_div_d)
905         (i6400_msa_div_w, i6400_msa_div_h, i6400_msa_div_b)
906         (i6400_msa_copy, i6400_msa_branch, i6400_fpu_msa_store)
907         (i6400_fpu_msa_load, i6400_fpu_msa_move, i6400_msa_long_logic1)
908         (i6400_msa_long_logic2, i6400_msa_mult, i6400_msa_long_float2)
909         (i6400_msa_long_float4, i6400_msa_long_float5)
910         (i6400_msa_long_float8, i6400_msa_fdiv_df)
911         (i6400_msa_fdiv_sf): New reservations.
912         * config/mips/p5600.md (p5600_fpu_intadd, p5600_fpu_cmp)
913         (p5600_fpu_float, p5600_fpu_logic_a, p5600_fpu_logic_b)
914         (p5600_fpu_div, p5600_fpu_logic, p5600_fpu_float_a)
915         (p5600_fpu_float_b, p5600_fpu_float_c, p5600_fpu_float_d)
916         (p5600_fpu_mult, p5600_fpu_fdiv, p5600_fpu_load): New cpu units.
917         (msa_short_int_add, msa_short_logic, msa_short_logic_move_v)
918         (msa_short_cmp, msa_short_float2, msa_short_logic3)
919         (msa_short_store4, msa_long_load, msa_short_store)
920         (msa_long_logic, msa_long_float2, msa_long_float4)
921         (msa_long_float5, msa_long_float8, msa_long_mult)
922         (msa_long_fdiv, msa_long_div): New reservations.
923
924 2016-05-09  Robert Suchanek  <robert.suchanek@imgtec.com>
925             Sameera Deshpande  <sameera.deshpande@imgtec.com>
926             Matthew Fortune  <matthew.fortune@imgtec.com>
927             Graham Stott  <graham.stott@imgtec.com>
928             Chao-ying Fu  <chao-ying.fu@imgtec.com>
929
930         * config.gcc: Add MSA header file for mips*-*-* target.
931         * config/mips/constraints.md (YI, YC, YZ, Unv5, Uuv5, Usv5, Uuv6)
932         (Ubv8i, Urv8):  New constraints.
933         * config/mips/mips-ftypes.def: Add function types for MSA
934         builtins.
935         * config/mips/mips-modes.def (V16QI, V8HI, V4SI, V2DI, V4SF)
936         (V2DF, V32QI, V16HI, V8SI, V4DI, V8SF, V4DF): New modes.
937         * config/mips/mips-msa.md: New file.
938         * config/mips/mips-protos.h
939         (mips_split_128bit_const_insns): New prototype.
940         (mips_msa_idiv_insns): Likewise.
941         (mips_split_128bit_move): Likewise.
942         (mips_split_128bit_move_p): Likewise.
943         (mips_split_msa_copy_d): Likewise.
944         (mips_split_msa_insert_d): Likewise.
945         (mips_split_msa_fill_d): Likewise.
946         (mips_expand_msa_branch): Likewise.
947         (mips_const_vector_same_val_p): Likewise.
948         (mips_const_vector_same_bytes_p): Likewise.
949         (mips_const_vector_same_int_p): Likewise.
950         (mips_const_vector_shuffle_set_p): Likewise.
951         (mips_const_vector_bitimm_set_p): Likewise.
952         (mips_const_vector_bitimm_clr_p): Likewise.
953         (mips_msa_vec_parallel_const_half): Likewise.
954         (mips_msa_output_division): Likewise.
955         (mips_ldst_scaled_shift): Likewise.
956         (mips_expand_vec_cond_expr): Likewise.
957         * config/mips/mips.c (enum mips_builtin_type): Add
958         MIPS_BUILTIN_MSA_TEST_BRANCH.
959         (mips_gen_const_int_vector_shuffle): New prototype.
960         (mips_const_vector_bitimm_set_p): New function.
961         (mips_const_vector_bitimm_clr_p): Likewise.
962         (mips_const_vector_same_val_p): Likewise.
963         (mips_const_vector_same_bytes_p): Likewise.
964         (mips_const_vector_same_int_p): Likewise.
965         (mips_const_vector_shuffle_set_p): Likewise.
966         (mips_symbol_insns): Forbid loading symbols via immediate for
967         MSA.
968         (mips_valid_offset_p): Limit offset to 10-bit for MSA loads and
969         stores.
970         (mips_valid_lo_sum_p): Forbid loadings symbols via %lo(base) for
971         MSA.
972         (mips_lx_address_p): Add support load indexed address for MSA.
973         (mips_address_insns): Add calculation of instructions needed for
974         stores and loads for MSA.
975         (mips_const_insns): Move CONST_DOUBLE below CONST_VECTOR.  Handle
976         CONST_VECTOR for MSA and let it fall through.
977         (mips_ldst_scaled_shift): New function.
978         (mips_subword_at_byte): Likewise.
979         (mips_msa_idiv_insns): Likewise.
980         (mips_legitimize_move): Validate MSA moves.
981         (mips_rtx_costs): Add UNGE, UNGT, UNLE, UNLT cases.  Add
982         calculation of costs for MSA division.
983         (mips_split_move_p): Check if MSA moves need splitting.
984         (mips_split_move): Split MSA moves if necessary.
985         (mips_split_128bit_move_p): New function.
986         (mips_split_128bit_move): Likewise.
987         (mips_split_msa_copy_d): Likewise.
988         (mips_split_msa_insert_d): Likewise.
989         (mips_split_msa_fill_d): Likewise.
990         (mips_output_move): Handle MSA moves.
991         (mips_expand_msa_branch): New function.
992         (mips_print_operand): Add 'E', 'B', 'w', 'v' and 'V' modifiers.
993         Reinstate 'y' modifier.
994         (mips_file_start): Add MSA .gnu_attribute.
995         (mips_hard_regno_mode_ok_p): Allow TImode and 128-bit vectors in
996         FPRs.
997         (mips_hard_regno_nregs): Always return 1 for MSA supported mode.
998         (mips_class_max_nregs): Add register size for MSA supported mode.
999         (mips_cannot_change_mode_class): Allow conversion between MSA
1000         vector modes and TImode.
1001         (mips_mode_ok_for_mov_fmt_p): Allow MSA to use move.v
1002         instruction.
1003         (mips_secondary_reload_class): Force MSA loads/stores via memory.
1004         (mips_preferred_simd_mode): Add preffered modes for MSA.
1005         (mips_vector_mode_supported_p): Add MSA supported modes.
1006         (mips_autovectorize_vector_sizes): New function.
1007         (mips_msa_output_division): Likewise.
1008         (MSA_BUILTIN, MIPS_BUILTIN_DIRECT_NO_TARGET)
1009         (MSA_NO_TARGET_BUILTIN, MSA_BUILTIN_TEST_BRANCH): New macros.
1010         (CODE_FOR_msa_adds_s_b, CODE_FOR_msa_adds_s_h)
1011         (CODE_FOR_msa_adds_s_w, CODE_FOR_msa_adds_s_d)
1012         (CODE_FOR_msa_adds_u_b, CODE_FOR_msa_adds_u_h)
1013         (CODE_FOR_msa_adds_u_w, CODE_FOR_msa_adds_u_du
1014         (CODE_FOR_msa_addv_b, CODE_FOR_msa_addv_h, CODE_FOR_msa_addv_w)
1015         (CODE_FOR_msa_addv_d, CODE_FOR_msa_and_v, CODE_FOR_msa_bmnz_v)
1016         (CODE_FOR_msa_bmnzi_b, CODE_FOR_msa_bmz_v, CODE_FOR_msa_bmzi_b)
1017         (CODE_FOR_msa_bnz_v, CODE_FOR_msa_bz_v, CODE_FOR_msa_bsel_v)
1018         (CODE_FOR_msa_bseli_b, CODE_FOR_msa_ceqi_h, CODE_FOR_msa_ceqi_w)
1019         (CODE_FOR_msa_ceqi_d, CODE_FOR_msa_clti_s_b)
1020         (CODE_FOR_msa_clti_s_h, CODE_FOR_msa_clti_s_w)
1021         (CODE_FOR_msa_clti_s_d, CODE_FOR_msa_clti_u_b)
1022         (CODE_FOR_msa_clti_u_h, CODE_FOR_msa_clti_u_w)
1023         (CODE_FOR_msa_clti_u_d, CODE_FOR_msa_clei_s_b)
1024         (CODE_FOR_msa_clei_s_h, CODE_FOR_msa_clei_s_w)
1025         (CODE_FOR_msa_clei_s_d, CODE_FOR_msa_clei_u_b)
1026         (CODE_FOR_msa_clei_u_h, CODE_FOR_msa_clei_u_w)
1027         (CODE_FOR_msa_clei_u_d, CODE_FOR_msa_div_s_b)
1028         (CODE_FOR_msa_div_s_h, CODE_FOR_msa_div_s_w)
1029         (CODE_FOR_msa_div_s_d, CODE_FOR_msa_div_u_b)
1030         (CODE_FOR_msa_div_u_h, CODE_FOR_msa_div_u_w)
1031         (CODE_FOR_msa_div_u_d, CODE_FOR_msa_fadd_w, CODE_FOR_msa_fadd_d)
1032         (CODE_FOR_msa_fexdo_w, CODE_FOR_msa_ftrunc_s_w)
1033         (CODE_FOR_msa_ftrunc_s_d, CODE_FOR_msa_ftrunc_u_w)
1034         (CODE_FOR_msa_ftrunc_u_d, CODE_FOR_msa_ffint_s_w)
1035         (CODE_FOR_msa_ffint_s_d, CODE_FOR_msa_ffint_u_w)
1036         (CODE_FOR_msa_ffint_u_d, CODE_FOR_msa_fsub_w)
1037         (CODE_FOR_msa_fsub_d, CODE_FOR_msa_fmsub_d, CODE_FOR_msa_fmadd_w)
1038         (CODE_FOR_msa_fmadd_d, CODE_FOR_msa_fmsub_w, CODE_FOR_msa_fmul_w)
1039         (CODE_FOR_msa_fmul_d, CODE_FOR_msa_fdiv_w, CODE_FOR_msa_fdiv_d)
1040         (CODE_FOR_msa_fmax_w, CODE_FOR_msa_fmax_d, CODE_FOR_msa_fmax_a_w)
1041         (CODE_FOR_msa_fmax_a_d, CODE_FOR_msa_fmin_w, CODE_FOR_msa_fmin_d)
1042         (CODE_FOR_msa_fmin_a_w, CODE_FOR_msa_fmin_a_d)
1043         (CODE_FOR_msa_fsqrt_w, CODE_FOR_msa_fsqrt_d)
1044         (CODE_FOR_msa_max_s_b, CODE_FOR_msa_max_s_h)
1045         (CODE_FOR_msa_max_s_w, CODE_FOR_msa_max_s_d)
1046         (CODE_FOR_msa_max_u_b, CODE_FOR_msa_max_u_h)
1047         (CODE_FOR_msa_max_u_w, CODE_FOR_msa_max_u_d)
1048         (CODE_FOR_msa_min_s_b, CODE_FOR_msa_min_s_h)
1049         (CODE_FOR_msa_min_s_w, CODE_FOR_msa_min_s_d)
1050         (CODE_FOR_msa_min_u_b, CODE_FOR_msa_min_u_h)
1051         (CODE_FOR_msa_min_u_w, CODE_FOR_msa_min_u_d)
1052         (CODE_FOR_msa_mod_s_b, CODE_FOR_msa_mod_s_h)
1053         (CODE_FOR_msa_mod_s_w, CODE_FOR_msa_mod_s_d)
1054         (CODE_FOR_msa_mod_u_b, CODE_FOR_msa_mod_u_h)
1055         (CODE_FOR_msa_mod_u_w, CODE_FOR_msa_mod_u_d)
1056         (CODE_FOR_msa_mod_s_b, CODE_FOR_msa_mod_s_h)
1057         (CODE_FOR_msa_mod_s_w, CODE_FOR_msa_mod_s_d)
1058         (CODE_FOR_msa_mod_u_b, CODE_FOR_msa_mod_u_h)
1059         (CODE_FOR_msa_mod_u_w, CODE_FOR_msa_mod_u_d)
1060         (CODE_FOR_msa_mulv_b, CODE_FOR_msa_mulv_h, CODE_FOR_msa_mulv_w)
1061         (CODE_FOR_msa_mulv_d, CODE_FOR_msa_nlzc_b, CODE_FOR_msa_nlzc_h)
1062         (CODE_FOR_msa_nlzc_w, CODE_FOR_msa_nlzc_d, CODE_FOR_msa_nor_v)
1063         (CODE_FOR_msa_or_v, CODE_FOR_msa_ori_b, CODE_FOR_msa_nori_b)
1064         (CODE_FOR_msa_pcnt_b, CODE_FOR_msa_pcnt_h, CODE_FOR_msa_pcnt_w)
1065         (CODE_FOR_msa_pcnt_d, CODE_FOR_msa_xor_v, CODE_FOR_msa_xori_b)
1066         (CODE_FOR_msa_sll_b, CODE_FOR_msa_sll_h, CODE_FOR_msa_sll_w)
1067         (CODE_FOR_msa_sll_d, CODE_FOR_msa_slli_b, CODE_FOR_msa_slli_h)
1068         (CODE_FOR_msa_slli_w, CODE_FOR_msa_slli_d, CODE_FOR_msa_sra_b)
1069         (CODE_FOR_msa_sra_h, CODE_FOR_msa_sra_w, CODE_FOR_msa_sra_d)
1070         (CODE_FOR_msa_srai_b, CODE_FOR_msa_srai_h, CODE_FOR_msa_srai_w)
1071         (CODE_FOR_msa_srai_d, CODE_FOR_msa_srl_b, CODE_FOR_msa_srl_h)
1072         (CODE_FOR_msa_srl_w, CODE_FOR_msa_srl_d, CODE_FOR_msa_srli_b)
1073         (CODE_FOR_msa_srli_h, CODE_FOR_msa_srli_w, CODE_FOR_msa_srli_d)
1074         (CODE_FOR_msa_subv_b, CODE_FOR_msa_subv_h, CODE_FOR_msa_subv_w)
1075         (CODE_FOR_msa_subv_d, CODE_FOR_msa_subvi_b, CODE_FOR_msa_subvi_h)
1076         (CODE_FOR_msa_subvi_w, CODE_FOR_msa_subvi_d, CODE_FOR_msa_move_v)
1077         (CODE_FOR_msa_vshf_b, CODE_FOR_msa_vshf_h, CODE_FOR_msa_vshf_w)
1078         (CODE_FOR_msa_vshf_d, CODE_FOR_msa_ilvod_d, CODE_FOR_msa_ilvev_d)
1079         (CODE_FOR_msa_pckod_d, CODE_FOR_msa_pckdev_d, CODE_FOR_msa_ldi_b)
1080         (CODE_FOR_msa_ldi_hi, CODE_FOR_msa_ldi_w)
1081         (CODE_FOR_msa_ldi_d): New code_aliasing macros.
1082         (mips_builtins): Add MSA sll_b, sll_h, sll_w, sll_d, slli_b,
1083         slli_h, slli_w, slli_d, sra_b, sra_h, sra_w, sra_d, srai_b,
1084         srai_h, srai_w, srai_d, srar_b, srar_h, srar_w, srar_d, srari_b,
1085         srari_h, srari_w, srari_d, srl_b, srl_h, srl_w, srl_d, srli_b,
1086         srli_h, srli_w, srli_d, srlr_b, srlr_h, srlr_w, srlr_d, srlri_b,
1087         srlri_h, srlri_w, srlri_d, bclr_b, bclr_h, bclr_w, bclr_d,
1088         bclri_b, bclri_h, bclri_w, bclri_d, bset_b, bset_h, bset_w,
1089         bset_d, bseti_b, bseti_h, bseti_w, bseti_d, bneg_b, bneg_h,
1090         bneg_w, bneg_d, bnegi_b, bnegi_h, bnegi_w, bnegi_d, binsl_b,
1091         binsl_h, binsl_w, binsl_d, binsli_b, binsli_h, binsli_w,
1092         binsli_d, binsr_b, binsr_h, binsr_w, binsr_d, binsri_b, binsri_h,
1093         binsri_w, binsri_d, addv_b, addv_h, addv_w, addv_d, addvi_b,
1094         addvi_h, addvi_w, addvi_d, subv_b, subv_h, subv_w, subv_d,
1095         subvi_b, subvi_h, subvi_w, subvi_d, max_s_b, max_s_h, max_s_w,
1096         max_s_d, maxi_s_b, maxi_s_h, maxi_s_w, maxi_s_d, max_u_b,
1097         max_u_h, max_u_w, max_u_d, maxi_u_b, maxi_u_h, maxi_u_w,
1098         maxi_u_d, min_s_b, min_s_h, min_s_w, min_s_d, mini_s_b, mini_s_h,
1099         mini_s_w, mini_s_d, min_u_b, min_u_h, min_u_w, min_u_d, mini_u_b,
1100         mini_u_h, mini_u_w, mini_u_d, max_a_b, max_a_h, max_a_w, max_a_d,
1101         min_a_b, min_a_h, min_a_w, min_a_d, ceq_b, ceq_h, ceq_w, ceq_d,
1102         ceqi_b, ceqi_h, ceqi_w, ceqi_d, clt_s_b, clt_s_h, clt_s_w,
1103         clt_s_d, clti_s_b, clti_s_h, clti_s_w, clti_s_d, clt_u_b,
1104         clt_u_h, clt_u_w, clt_u_d, clti_u_b, clti_u_h, clti_u_w,
1105         clti_u_d, cle_s_b, cle_s_h, cle_s_w, cle_s_d, clei_s_b, clei_s_h,
1106         clei_s_w, clei_s_d, cle_u_b, cle_u_h, cle_u_w, cle_u_d, clei_u_b,
1107         clei_u_h, clei_u_w, clei_u_d, ld_b, ld_h, ld_w, ld_d, st_b, st_h,
1108         st_w, st_d, sat_s_b, sat_s_h, sat_s_w, sat_s_d, sat_u_b, sat_u_h,
1109         sat_u_w, sat_u_d, add_a_b, add_a_h, add_a_w, add_a_d, adds_a_b,
1110         adds_a_h, adds_a_w, adds_a_d, adds_s_b, adds_s_h, adds_s_w,
1111         adds_s_d, adds_u_b, adds_u_h, adds_u_w, adds_u_d, ave_s_b,
1112         ave_s_h, ave_s_w, ave_s_d, ave_u_b, ave_u_h, ave_u_w, ave_u_d,
1113         aver_s_b, aver_s_h, aver_s_w, aver_s_d, aver_u_b, aver_u_h,
1114         aver_u_w, aver_u_d, subs_s_b, subs_s_h, subs_s_w, subs_s_d,
1115         subs_u_b, subs_u_h, subs_u_w, subs_u_d, subsuu_s_b, subsuu_s_h,
1116         subsuu_s_w, subsuu_s_d, subsus_u_b, subsus_u_h, subsus_u_w,
1117         subsus_u_d, asub_s_b, asub_s_h, asub_s_w, asub_s_d, asub_u_b,
1118         asub_u_h, asub_u_w, asub_u_d, mulv_b, mulv_h, mulv_w, mulv_d,
1119         maddv_b, maddv_h, maddv_w, maddv_d, msubv_b, msubv_h, msubv_w,
1120         msubv_d, div_s_b, div_s_h, div_s_w, div_s_d, div_u_b, div_u_h,
1121         div_u_w, div_u_d, hadd_s_h, hadd_s_w, hadd_s_d, hadd_u_h,
1122         hadd_u_w, hadd_u_d, hsub_s_h, hsub_s_w, hsub_s_d, hsub_u_h,
1123         hsub_u_w, hsub_u_d, mod_s_b, mod_s_h, mod_s_w, mod_s_d, mod_u_b,
1124         mod_u_h, mod_u_w, mod_u_d, dotp_s_h, dotp_s_w, dotp_s_d,
1125         dotp_u_h, dotp_u_w, dotp_u_d, dpadd_s_h, dpadd_s_w, dpadd_s_d,
1126         dpadd_u_h, dpadd_u_w, dpadd_u_d, dpsub_s_h, dpsub_s_w, dpsub_s_d,
1127         dpsub_u_h, dpsub_u_w, dpsub_u_d, sld_b, sld_h, sld_w, sld_d,
1128         sldi_b, sldi_h, sldi_w, sldi_d, splat_b, splat_h, splat_w,
1129         splat_d, splati_b, splati_h, splati_w, splati_d, pckev_b,
1130         pckev_h, pckev_w, pckev_d, pckod_b, pckod_h, pckod_w, pckod_d,
1131         ilvl_b, ilvl_h, ilvl_w, ilvl_d, ilvr_b, ilvr_h, ilvr_w, ilvr_d,
1132         ilvev_b, ilvev_h, ilvev_w, ilvev_d, ilvod_b, ilvod_h, ilvod_w,
1133         ilvod_d, vshf_b, vshf_h, vshf_w, vshf_d, and_v, andi_b, or_v,
1134         ori_b, nor_v, nori_b, xor_v, xori_b, bmnz_v, bmnzi_b, bmz_v,
1135         bmzi_b, bsel_v, bseli_b, shf_b, shf_h, shf_w, bnz_v, bz_v,
1136         fill_b, fill_h, fill_w, fill_d, pcnt_b, pcnt_h, pcnt_w,
1137         pcnt_d, nloc_b, nloc_h, nloc_w, nloc_d, nlzc_b, nlzc_h, nlzc_w,
1138         nlzc_d, copy_s_b, copy_s_h, copy_s_w, copy_s_d, copy_u_b,
1139         copy_u_h, copy_u_w, copy_u_d, insert_b, insert_h, insert_w,
1140         insert_d, insve_b, insve_h, insve_w, insve_d, bnz_b, bnz_h,
1141         bnz_w, bnz_d, bz_b, bz_h, bz_w, bz_d, ldi_b, ldi_h, ldi_w, ldi_d,
1142         fcaf_w, fcaf_d, fcor_w, fcor_d, fcun_w, fcun_d, fcune_w, fcune_d,
1143         fcueq_w, fcueq_d, fceq_w, fceq_d, fcne_w, fcne_d, fclt_w, fclt_d,
1144         fcult_w, fcult_d, fcle_w, fcle_d, fcule_w, fcule_d, fsaf_w,
1145         fsaf_d, fsor_w, fsor_d, fsun_w, fsun_d, fsune_w, fsune_d,
1146         fsueq_w, fsueq_d, fseq_w, fseq_d, fsne_w, fsne_d, fslt_w,
1147         fslt_d, fsult_w, fsult_d, fsle_w, fsle_d, fsule_w, fsule_d,
1148         fadd_w, fadd_d, fsub_w, fsub_d, fmul_w, fmul_d, fdiv_w, fdiv_d,
1149         fmadd_w, fmadd_d, fmsub_w, fmsub_d, fexp2_w, fexp2_d, fexdo_h,
1150         fexdo_w, ftq_h, ftq_w, fmin_w, fmin_d, fmin_a_w, fmin_a_d,
1151         fmax_w, fmax_d, fmax_a_w, fmax_a_d, mul_q_h, mul_q_w, mulr_q_h,
1152         mulr_q_w, madd_q_h, madd_q_w, maddr_q_h, maddr_q_w, msub_q_h,
1153         msub_q_w, msubr_q_h, msubr_q_w, fclass_w, fclass_d, fsqrt_w,
1154         fsqrt_d, frcp_w, frcp_d, frint_w, frint_d, frsqrt_w, frsqrt_d,
1155         flog2_w, flog2_d, fexupl_w, fexupl_d, fexupr_w, fexupr_d, ffql_w,
1156         ffql_d, ffqr_w, ffqr_d, ftint_s_w, ftint_s_d, ftint_u_w,
1157         ftint_u_d, ftrunc_s_w, ftrunc_s_d, ftrunc_u_w, ftrunc_u_d,
1158         ffint_s_w, ffint_s_d, ffint_u_w, ffint_u_d, ctcmsa, cfcmsa,
1159         move_v builtins.
1160         (mips_get_builtin_decl_index): New array.
1161         (MIPS_ATYPE_QI, MIPS_ATYPE_HI, MIPS_ATYPE_V2DI, MIPS_ATYPE_V4SI)
1162         (MIPS_ATYPE_V8HI, MIPS_ATYPE_V16QI, MIPS_ATYPE_V2DF)
1163         (MIPS_ATYPE_V4SF, MIPS_ATYPE_UV2DI, MIPS_ATYPE_UV4SI)
1164         (MIPS_ATYPE_UV8HI, MIPS_ATYPE_UV16QI): New.
1165         (mips_init_builtins): Initialize mips_get_builtin_decl_index
1166         array.
1167         (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Define target
1168         hook.
1169         (mips_expand_builtin_insn): Prepare operands for
1170         CODE_FOR_msa_addvi_b, CODE_FOR_msa_addvi_h, CODE_FOR_msa_addvi_w,
1171         CODE_FOR_msa_addvi_d, CODE_FOR_msa_clti_u_b,
1172         CODE_FOR_msa_clti_u_h, CODE_FOR_msa_clti_u_w,
1173         CODE_FOR_msa_clti_u_d, CODE_FOR_msa_clei_u_b,
1174         CODE_FOR_msa_clei_u_h, CODE_FOR_msa_clei_u_w,
1175         CODE_FOR_msa_clei_u_d, CODE_FOR_msa_maxi_u_b,
1176         CODE_FOR_msa_maxi_u_h, CODE_FOR_msa_maxi_u_w,
1177         CODE_FOR_msa_maxi_u_d, CODE_FOR_msa_mini_u_b,
1178         CODE_FOR_msa_mini_u_h, CODE_FOR_msa_mini_u_w,
1179         CODE_FOR_msa_mini_u_d, CODE_FOR_msa_subvi_b,
1180         CODE_FOR_msa_subvi_h, CODE_FOR_msa_subvi_w, CODE_FOR_msa_subvi_d,
1181         CODE_FOR_msa_ceqi_b, CODE_FOR_msa_ceqi_h, CODE_FOR_msa_ceqi_w,
1182         CODE_FOR_msa_ceqi_d, CODE_FOR_msa_clti_s_b,
1183         CODE_FOR_msa_clti_s_h, CODE_FOR_msa_clti_s_w,
1184         CODE_FOR_msa_clti_s_d, CODE_FOR_msa_clei_s_b,
1185         CODE_FOR_msa_clei_s_h, CODE_FOR_msa_clei_s_w,
1186         CODE_FOR_msa_clei_s_d, CODE_FOR_msa_maxi_s_b,
1187         CODE_FOR_msa_maxi_s_h, CODE_FOR_msa_maxi_s_w,
1188         CODE_FOR_msa_maxi_s_d, CODE_FOR_msa_mini_s_b,
1189         CODE_FOR_msa_mini_s_h, CODE_FOR_msa_mini_s_w,
1190         CODE_FOR_msa_mini_s_d, CODE_FOR_msa_andi_b, CODE_FOR_msa_ori_b,
1191         CODE_FOR_msa_nori_b, CODE_FOR_msa_xori_b, CODE_FOR_msa_bmzi_b,
1192         CODE_FOR_msa_bmnzi_b, CODE_FOR_msa_bseli_b, CODE_FOR_msa_fill_b,
1193         CODE_FOR_msa_fill_h, CODE_FOR_msa_fill_w, CODE_FOR_msa_fill_d,
1194         CODE_FOR_msa_ilvl_b, CODE_FOR_msa_ilvl_h, CODE_FOR_msa_ilvl_w,
1195         CODE_FOR_msa_ilvl_d, CODE_FOR_msa_ilvr_b, CODE_FOR_msa_ilvr_h,
1196         CODE_FOR_msa_ilvr_w, CODE_FOR_msa_ilvr_d, CODE_FOR_msa_ilvev_b,
1197         CODE_FOR_msa_ilvev_h, CODE_FOR_msa_ilvev_w, CODE_FOR_msa_ilvod_b,
1198         CODE_FOR_msa_ilvod_h, CODE_FOR_msa_ilvod_w, CODE_FOR_msa_pckev_b,
1199         CODE_FOR_msa_pckev_h, CODE_FOR_msa_pckev_w, CODE_FOR_msa_pckod_b,
1200         CODE_FOR_msa_pckod_h, CODE_FOR_msa_pckod_w, CODE_FOR_msa_slli_b,
1201         CODE_FOR_msa_slli_h, CODE_FOR_msa_slli_w, CODE_FOR_msa_slli_d,
1202         CODE_FOR_msa_srai_b, CODE_FOR_msa_srai_h, CODE_FOR_msa_srai_w,
1203         CODE_FOR_msa_srai_d, CODE_FOR_msa_srli_b, CODE_FOR_msa_srli_h,
1204         CODE_FOR_msa_srli_w, CODE_FOR_msa_srli_d, CODE_FOR_msa_insert_b,
1205         CODE_FOR_msa_insert_h, CODE_FOR_msa_insert_w,
1206         CODE_FOR_msa_insert_d, CODE_FOR_msa_insve_b,
1207         CODE_FOR_msa_insve_h, CODE_FOR_msa_insve_w, CODE_FOR_msa_insve_d,
1208         CODE_FOR_msa_shf_b, CODE_FOR_msa_shf_h, CODE_FOR_msa_shf_w,
1209         CODE_FOR_msa_shf_w_f, CODE_FOR_msa_vshf_b, CODE_FOR_msa_vshf_h,
1210         CODE_FOR_msa_vshf_w, CODE_FOR_msa_vshf_d.
1211         (mips_expand_builtin): Add case for MIPS_BULTIN_MSA_TEST_BRANCH.
1212         (mips_set_compression_mode): Disallow MSA with MIPS16 code.
1213         (mips_option_override): -mmsa requires -mfp64 and -mhard-float.
1214         These are set implicitly and an error is reported if overridden.
1215         (mips_expand_builtin_msa_test_branch): New function.
1216         (mips_expand_msa_shuffle): Likewise.
1217         (MAX_VECT_LEN): Increase maximum length of a vector to 16 bytes.
1218         (TARGET_SCHED_REASSOCIATION_WIDTH): Define target hook.
1219         (TARGET_VECTORIZE_AUTOVECTORIZE_VECTOR_SIZES): Likewise.
1220         (mips_expand_vec_unpack): Add support for MSA.
1221         (mips_expand_vector_init): Likewise.
1222         (mips_expand_vi_constant): Use CONST0_RTX (element_mode)
1223         instead of const0_rtx.
1224         (mips_msa_vec_parallel_const_half): New function.
1225         (mips_gen_const_int_vector): Likewise.
1226         (mips_gen_const_int_vector_shuffle): Likewise.
1227         (mips_expand_msa_cmp): Likewise.
1228         (mips_expand_vec_cond_expr): Likewise.
1229         * config/mips/mips.h
1230         (TARGET_CPU_CPP_BUILTINS): Add __mips_msa and __mips_msa_width.
1231         (OPTION_DEFAULT_SPECS): Ignore --with-fp-32 if -mmsa is
1232         specified.
1233         (ASM_SPEC): Pass mmsa and mno-msa to the assembler.
1234         (ISA_HAS_MSA): New macro.
1235         (UNITS_PER_MSA_REG): Likewise.
1236         (BITS_PER_MSA_REG): Likewise.
1237         (BIGGEST_ALIGNMENT): Redefine using ISA_HAS_MSA.
1238         (MSA_REG_FIRST): New macro.
1239         (MSA_REG_LAST): Likewise.
1240         (MSA_REG_NUM): Likewise.
1241         (MSA_REG_P): Likewise.
1242         (MSA_REG_RTX_P): Likewise.
1243         (MSA_SUPPORTED_MODE_P): Likewise.
1244         (HARD_REGNO_CALL_PART_CLOBBERED): Redefine using TARGET_MSA.
1245         (ADDITIONAL_REGISTER_NAMES): Add named registers $w0-$w31.
1246         * config/mips/mips.md: Include mips-msa.md.
1247         (alu_type): Add simd_add.
1248         (mode): Add V2DI, V4SI, V8HI, V16QI, V2DF, V4SF.
1249         (type): Add simd_div, simd_fclass, simd_flog2, simd_fadd,
1250         simd_fcvt, simd_fmul, simd_fmadd, simd_fdiv, simd_bitins,
1251         simd_bitmov, simd_insert, simd_sld, simd_mul, simd_fcmp,
1252         simd_fexp2, simd_int_arith, simd_bit, simd_shift, simd_splat,
1253         simd_fill, simd_permute, simd_shf, simd_sat, simd_pcnt,
1254         simd_copy, simd_branch, simd_cmsa, simd_fminmax, simd_logic,
1255         simd_move, simd_load, simd_store.  Choose "multi" for moves
1256         for "qword_mode".
1257         (qword_mode): New attribute.
1258         (insn_count): Add instruction count for quad moves.
1259         Increase the count for MIPS SIMD division.
1260         (UNITMODE): Add UNITMODEs for vector types.
1261         (addsub): New code iterator.
1262         * config/mips/mips.opt (mmsa): New option.
1263         * config/mips/msa.h: New file.
1264         * config/mips/mti-elf.h: Don't infer -mfpxx if -mmsa is
1265         specified.
1266         * config/mips/mti-linux.h: Likewise.
1267         * config/mips/predicates.md
1268         (const_msa_branch_operand): New constraint.
1269         (const_uimm3_operand): Likewise.
1270         (const_uimm4_operand): Likewise.
1271         (const_uimm5_operand): Likewise.
1272         (const_uimm8_operand): Likewise.
1273         (const_imm5_operand): Likewise.
1274         (aq10b_operand): Likewise.
1275         (aq10h_operand): Likewise.
1276         (aq10w_operand): Likewise.
1277         (aq10d_operand): Likewise.
1278         (const_m1_operand): Likewise.
1279         (reg_or_m1_operand): Likewise.
1280         (const_exp_2_operand): Likewise.
1281         (const_exp_4_operand): Likewise.
1282         (const_exp_8_operand): Likewise.
1283         (const_exp_16_operand): Likewise.
1284         (const_vector_same_val_operand): Likewise.
1285         (const_vector_same_simm5_operand): Likewise.
1286         (const_vector_same_uimm5_operand): Likewise.
1287         (const_vector_same_uimm6_operand): Likewise.
1288         (const_vector_same_uimm8_operand): Likewise.
1289         (par_const_vector_shf_set_operand): Likewise.
1290         (reg_or_vector_same_val_operand): Likewise.
1291         (reg_or_vector_same_simm5_operand): Likewise.
1292         (reg_or_vector_same_uimm6_operand): Likewise.
1293         * doc/extend.texi (MIPS SIMD Architecture Functions): New
1294         section.
1295         * doc/invoke.texi (-mmsa): Document new option.
1296
1297 2016-05-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1298
1299         * configure.ac (enable_vtable_verify): Handle --enable-vtable-verify.
1300         * configure: Regenerate.
1301         * config.in: Regenerate.
1302         * gcc.c (VTABLE_VERIFICATION_SPEC) [!ENABLE_VTABLE_VERIFY]: Error
1303         on -fvtable-verify.
1304         * config/sol2.h [!ENABLE_VTABLE_VERIFY] (STARTFILE_VTV_SPEC): Define.
1305         (ENDFILE_VTV_SPEC): Define.
1306
1307 2016-05-09  Kaushik Phatak  <kaushik.phatak@kpit.com>
1308
1309         * config/rl78/rl78.c (rl78_expand_prologue): Save the MDUC related
1310         registers in all interrupt handlers if necessary.
1311         (rl78_option_override): Add warning.
1312         (MUST_SAVE_MDUC_REGISTERS): New macro.
1313         (rl78_expand_epilogue): Restore the MDUC registers if necessary.
1314         * config/rl78/rl78.c (check_mduc_usage): New function.
1315         (mduc_regs): New structure to hold MDUC register data.
1316         * config/rl78/rl78.md (is_g13_muldiv_insn): New attribute.
1317         (mulsi3_g13): Add is_g13_muldiv_insn attribute.
1318         (udivmodsi4_g13): Add is_g13_muldiv_insn attribute.
1319         (mulhi3_g13): Add is_g13_muldiv_insn attribute.
1320         * config/rl78/rl78.opt (msave-mduc-in-interrupts): New option.
1321         * doc/invoke.texi (RL78 Options): Add -msave-mduc-in-interrupts.
1322
1323 2016-05-09  Bin Cheng  <bin.cheng@arm.com>
1324
1325         * tree-if-conv.c (tree-ssa-loop.h): Include header file.
1326         (tree-ssa-loop-niter.h): Ditto.
1327         (idx_within_array_bound, ref_within_array_bound): New functions.
1328         (ifcvt_memrefs_wont_trap): Check if array ref is within bound.
1329         Factor out check on writable base object to ...
1330         (base_object_writable): ... here.
1331
1332 2016-05-09  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1333
1334         * config/arm/arm.md (probe_stack): Add modes to set source
1335         and destination.
1336
1337 2016-05-09  Bernd Schmidt  <bschmidt@redhat.com>
1338
1339         * regrename.c (base_reg_class_for_rename): New static function.
1340         (scan_rtx_address, scan_rtx): Use it instead of base_reg_class.
1341
1342 2016-05-08  Jan Hubicka  <hubicka@ucw.cz>
1343
1344         * cgraph.c (thunk_adjust): Export.
1345         * cgraphclones.c (cgraph_node::create_clone): Clone thunk info.
1346         * cgraphunit.c (thunk_adjust): Export.
1347         (cgraph_node::assemble_thunks_and_aliases): Do not assemble inlined
1348         thunks.
1349         * ipa-inline-analyssi.c (compute_inline_parameters): Thunks are
1350         inlinable.
1351         * tree-inline.c (expand_call_inline): Expand thunks inline.
1352
1353 2016-05-08  Uros Bizjak  <ubizjak@gmail.com>
1354
1355         PR target/70998
1356         * config/i386/sse.md (*sse2_vd_cvtsd2ss): New insn pattern.
1357         (*sse2_vd_cvtss2sd): Ditto.
1358         * config/i386/i386.md
1359         (TARGET_SSE_PARTIAL_REG_DEPENDENCY float_truncate df->sf splitter):
1360         Generate *sse2_vd_cvtsd2ss pattern.
1361         (TARGET_SSE_PARTIAL_REG_DEPENDENCY float_extend sf->df splitter):
1362         Generate *sse2_vd_cvtss2sd pattern.
1363
1364 2016-05-08  Oleg Endo  <olegendo@gcc.gnu.org>
1365
1366         * config/sh/sh.h (GET_SH_ARG_CLASS): Convert macro into ...
1367         * config/sh/sh.c (get_sh_arg_class): ... this new function.  Update its
1368         users.
1369
1370 2016-05-08  Oleg Endo  <olegendo@gcc.gnu.org>
1371
1372         * config/sh/sh-protos.h (sh_media_register_for_return): Remove.
1373         * config/sh/sh.c: Define and declare variables on first use throughout
1374         the file.
1375         (current_function_interrupt): Change to bool type.
1376         (frame_insn): Rename to emit_frame_insn and update users.
1377         (push_regs): Use bool for 'interrupt_handler' argument.
1378         (save_schedule_s): Remove.
1379         (TARGET_ASM_UNALIGNED_DI_OP, TARGET_ASM_ALIGNED_DI_OP): Remove.
1380         (sh_option_override): Don't nullify targetm.asm_out.aligned_op.di and
1381         targetm.asm_out.unaligned_op.di.
1382         (gen_far_branch): Remove redundant forward declaration.
1383         (sh_media_register_for_return, MAX_SAVED_REGS, save_entry_s, save_entry,
1384         MAX_TEMPS, save_schedule_ssave_schedule): Remove.
1385         (sh_set_return_address, sh_function_ok_for_sibcall,
1386         scavenge_reg): Update comments.
1387         (sh_builtin_saveregs): Use TRAGET_FPU_ANY condition.
1388         (sh2a_get_function_vector_number, sh2a_function_vector_p): Use for loop.
1389         (sh_attr_renesas_p): Remove unnecessary parentheses.
1390         (branch_dest): Simplify.
1391         * config/sh/sh.h (sh_args): Remove byref, byref_regs, stack_regs fields.
1392         Change force_mem, prototype_p, outgoing, renesas_abi fields to bool.
1393         (CUMULATIVE_ARGS): Change macro to typedef.
1394         (current_function_interrupt): Change to bool type.
1395         (sh_arg_class, sh_args, CUMULATIVE_ARGS, current_function_interrupt):
1396         Surround with __cplusplus ifdef.
1397         (sh_compare_op0, sh_compare_op1): Remove.
1398         (EPILOGUE_USES): Use TARGET_FPU_ANY condition.
1399
1400 2016-05-07  Jim Wilson  <jim.wilson@linaro.org>
1401
1402         * config/arm/arm.md: (arch): Add neon.
1403         (arch_enabled): Return yes for arch neon when TARGET_NEON.
1404         * config/arm/vfp.md (movdf_vfp): Add w/G as alternative 3.  Add
1405         neon_move as type for alt 3.  Add arch attr enabling alt 3 for neon.
1406         Emit vmov.i64 for alt 3.  Renumber alternatives 3 to 8.  Adjust
1407         attributes for alt renumbering.  Mark alt 3 as non-predicable.
1408         (thumb2_movdf_vfp): Likewise.
1409
1410 2016-05-07  Uros Bizjak  <ubizjak@gmail.com>
1411
1412         * config/i386/i386.md (*addqi_1): Add preferred_for_speed attribute
1413         to disparage alternatives 3 and 4 for TARGET_PARTIAL_REG_STALL targets.
1414         (*andqi_1): Add preferred_for_speed attribute to disparage
1415         alternative 2 for TARGET_PARTIAL_REG_STALL targets.
1416         (*<code>qi_1): Ditto.
1417         (*one_cmplqi2_1): Add preferred_for_speed attribute to disparage
1418         alternative 1 for TARGET_PARTIAL_REG_STALL targets.
1419         (*ashlqi3_1): Ditto.
1420         (*swap<mode>): Merge from *swap<mode>_1 and *swap<mode>_2 patterns.
1421         Add preferred_for_size attribute to disparage alternative 0 and
1422         preferred_for_speed attribute to disparage alternative 1 for
1423         TARGET_PARTIAL_REG_STALL targets.
1424
1425 2016-05-07  Tom de Vries  <tom@codesourcery.com>
1426
1427         PR tree-optimization/70956
1428         * graphite-scop-detection.c (build_cross_bb_scalars_def): Handle NULL
1429         def.
1430
1431 2016-05-07  Oleg Endo  <olegendo@gcc.gnu.org>
1432
1433         * config/sh/sh-protos.h (sh_cbranch_distance): Declare new function.
1434         * config/sh/sh.c (sh_cbranch_distance): Implement it.
1435         * config/sh/sh.md (branch_zero): Remove define_attr.
1436         (define_delay): Disable delay slot if branch distance is one insn.
1437
1438 2016-05-06  Uros Bizjak  <ubizjak@gmail.com>
1439
1440         * config/i386/i386.md (LEAMODE): New mode attribute.
1441         (plus to LEA splitter): Rewrite splitter using LEAMODE mode attribute.
1442         (ashift to LEA splitter): Rewrte splitter using SWI mode iterator
1443         and LEAMODE mode attribute.  Use VOIDmode const_0_to_3_operand as
1444         operand 2 predicate.
1445         (*lea<mode>_general_2): Use VOIDmode for const248_operand.
1446         (*lea<mode>_general_3): Ditto.
1447         (*lea<mode>_general_4): Use VOIDmode for const_0_to_3_operand.
1448
1449 2016-05-06  Jakub Jelinek  <jakub@redhat.com>
1450
1451         * genmddump.c (main): Convert argv from char ** to const char **.
1452
1453 2016-05-06  David Malcolm  <dmalcolm@redhat.com>
1454
1455         * coretypes.h (OVERRIDE): New macro.
1456         (FINAL): New macro.
1457
1458 2016-05-06  Eric Botcazou  <ebotcazou@adacore.com>
1459
1460         * tree-ssa-coalesce.c (gimple_can_coalesce_p): In the optimized case,
1461         allow coalescing if the types are compatible.
1462
1463 2016-05-06  David Malcolm  <dmalcolm@redhat.com>
1464
1465         * pass_manager.h (pass_manager::register_pass_name): New method.
1466         (pass_manager::get_pass_by_name): New method.
1467         (pass_manager::create_pass_tab): New method.
1468         (pass_manager::m_name_to_pass_map): New field.
1469         * passes.c (name_to_pass_map): Delete global in favor of field
1470         "m_name_to_pass_map" of pass_manager.
1471         (register_pass_name): Rename from a function to...
1472         (pass_manager::register_pass_name): ...this method, updating
1473         for renaming of global "name_to_pass_map" to field
1474         "m_name_to_pass_map".
1475         (create_pass_tab): Rename from a function to...
1476         (pass_manager::create_pass_tab): ...this method, updating
1477         for renaming of global "name_to_pass_map" to field.
1478         (get_pass_by_name): Rename from a function to...
1479         (pass_manager::get_pass_by_name): ...this method.
1480         (enable_disable_pass): Convert use of get_pass_by_name to
1481         a method call, locating the pass_manager singleton.
1482
1483 2016-05-06  David Malcolm  <dmalcolm@redhat.com>
1484
1485         * genattr-common.c (main): Convert argv from char ** to const char **.
1486         * genattr.c (main): Likewise.
1487         * genattrtab.c (main): Likewise.
1488         * genautomata.c (initiate_automaton_gen): Likewise.
1489         (main): Likewise.
1490         * gencodes.c (main): Likewise.
1491         * genconditions.c (main): Likewise.
1492         * genconfig.c (main): Likewise.
1493         * genconstants.c (main): Likewise.
1494         * genemit.c (main): Likewise.
1495         * genenums.c (main): Likewise.
1496         * genextract.c (main): Likewise.
1497         * genflags.c (main): Likewise.
1498         * genmddeps.c (main): Likewise.
1499         * genopinit.c (main): Likewise.
1500         * genoutput.c (main): Likewise.
1501         * genpeep.c (main): Likewise.
1502         * genpreds.c (main): Likewise.
1503         * genrecog.c (main): Likewise.
1504         * gensupport.c (init_rtx_reader_args_cb): Likewise.
1505         (init_rtx_reader_args): Likewise.
1506         * gensupport.h (init_rtx_reader_args_cb): Likewise.
1507         (init_rtx_reader_args): Likewise.
1508         * gentarget-def.c (main): Likewise.
1509         * read-md.c (read_md_files): Likewise.
1510         * read-md.h (read_md_files): Likewise.
1511
1512 2016-05-06  Uros Bizjak  <ubizjak@gmail.com>
1513
1514         * config/i386/i386.md (int cmove peephole2s): Use general_reg_operand
1515         instead of register_and_not_any_fp_reg_operand as operand 0 predicate.
1516         * config/i386/predicates.md (register_and_not_any_fp_reg_operand):
1517         Remove unused predicate.
1518         (register_and_not_fp_reg_operand): Ditto.
1519
1520 2016-05-06  Martin Liska  <mliska@suse.cz>
1521
1522         * tree-if-conv.c (ifcvt_split_critical_edges): Use auto_vec
1523         instead of vec as the vector is local to the function.
1524
1525 2016-05-06  Jakub Jelinek  <jakub@redhat.com>
1526
1527         * config/i386/sse.md (*<code>v8hi3, *<code>v16qi3): Add
1528         avx512bw alternative.
1529
1530         * config/i386/sse.md (<mask_codefor>ashr<mode>3<mask_name>): Move
1531         before the ashr<mode>3 pattern.
1532
1533         * config/i386/sse.md (*avx2_pmaddwd, *sse2_pmaddwd): Use
1534         v instead of x in vex or maybe_vex alternatives, use
1535         maybe_evex instead of vex in prefix.
1536
1537         * config/i386/sse.md (*vec_extractv4sf_0, *sse4_1_extractps,
1538         *vec_extractv4sf_mem, vec_extract_lo_v16hi, vec_extract_hi_v16hi,
1539         vec_extract_lo_v32qi, vec_extract_hi_v32qi): Use v instead of x
1540         in vex or maybe_vex alternatives, use maybe_evex instead of vex
1541         in prefix.
1542
1543         * config/i386/sse.md (*vec_concatv2sf_sse4_1, *vec_concatv4sf): Use
1544         v instead of x in vex or maybe_vex alternatives, use
1545         maybe_evex instead of vex in prefix.
1546
1547         * config/i386/sse.md (sse_shufps_<mode>, sse_storehps, sse_loadhps,
1548         sse_storelps, sse_movss, avx2_vec_dup<mode>, avx2_vec_dupv8sf_1,
1549         sse2_shufpd_<mode>, sse2_storehpd, sse2_storelpd, sse2_loadhpd,
1550         sse2_loadlpd, sse2_movsd): Use v instead of x in vex or maybe_vex
1551         alternatives, use maybe_evex instead of vex in prefix.
1552
1553         * config/i386/sse.md (vec_interleave_lowv4sf,
1554         *vec_interleave_highv2df, *vec_interleave_lowv2df): Use
1555         v instead of x in vex or maybe_vex alternatives, use
1556         maybe_evex instead of vex in prefix.
1557
1558         * config/i386/sse.md (sse_movhlps, sse_movlhps): Use
1559         v instead of x in vex or maybe_vex alternatives, use
1560         maybe_evex instead of vex in prefix.
1561
1562         * config/i386/sse.md (*avx_cvtpd2dq256_2, *avx_cvtps2pd256_2): Use
1563         v constraint instead of x.
1564
1565 2016-05-06  Nathan Sidwell  <nathan@codesourcery.com>
1566
1567         * gimple.c (gimple_call_same_target_p): Unique functions are eq.
1568         * tree-ssa-tail-merge.c (same_succ::equal): Check pointer eq
1569         equality first.
1570
1571 2016-05-06  Richard Biener  <rguenther@suse.de>
1572
1573         PR tree-optimization/70948
1574         * tree-ssa-structalias.c (find_func_aliases_for_builtin_call):
1575         Properly clobber all fields of va_list for __builtin_va_start.
1576
1577 2016-05-06  Yuri Rumyantsev  <ysrumyan@gmail.com>
1578
1579         PR debug/70935
1580         * tree-ssa-loop-unswitch.c (find_loop_guard): Reject guard edge with
1581         loop latch destination.
1582
1583 2016-05-06  Martin Liska  <mliska@suse.cz>
1584
1585         * tree-ssa-uninit.c: Apply manual changes
1586         to the GNU coding style.
1587         (prune_uninit_phi_opnds): Rename from
1588         prune_uninit_phi_opnds_in_unrealizable_paths.
1589
1590 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
1591
1592         * config/sh/sh.opt (madjust-unroll, minvalid-symbols, msoft-atomic,
1593         mspace): Remove deprecated options.
1594         * doc/invoke.texi (SH options): Remove -mspace.
1595
1596 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
1597
1598         * config/sh/sh.md (ic_invalidate_line_sh4a): Fix insn length.
1599
1600 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
1601
1602         * config/sh/sh.md (*cmpeqsi_t): Remove combine insn pattern and similar
1603         corresponding combine split pattern.
1604
1605 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
1606
1607         PR target/58219
1608         * config/sh/predicates.md (long_displacement_mem_operand): New.
1609         * config/sh/sh.md (movsi_i): Allow for SH2A, disallow for any FPU.
1610         Add movi20, movi20s alternatives.  Adjust length attribute for
1611         alternatives.
1612         (movsi_ie): Allow for any FPU.  Adjust length attribute for
1613         alternatives.
1614         (movsi_i_lowpart): Add movi20, movi20s alternatives.  Adjust length
1615         attribute for alternatives.
1616         (*mov<mode>): Use long_displacement_mem_operand for length attribute.
1617         (*movdi_i, movdf_k, movdf_i4, movsf_i, movsf_ie, movsf_ie_ra): Adjust
1618         length attribute for alternatives.
1619
1620 2016-05-06  Richard Biener  <rguenther@suse.de>
1621
1622         PR tree-optimization/70960
1623         * tree-if-conv.c (ifcvt_walk_pattern_tree): Handle non-SSA ops.
1624
1625 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
1626
1627         PR target/52933
1628         * config/sh/sh.md (*cmp_div0s_7, *cmp_div0s_8): Add div0s variants.
1629         * config/sh/sh.c (sh_rtx_costs): Add another div0s case.
1630
1631 2016-05-06  Marek Polacek  <polacek@redhat.com>
1632
1633         PR sanitizer/70875
1634         * ubsan.c (get_ubsan_type_info_for_type): Remove assert.
1635
1636 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
1637
1638         PR target/54089
1639         * config/sh/sh.md (*rotcr): Add another variant.
1640
1641 2016-05-06  Richard Biener  <rguenther@suse.de>
1642
1643         PR middle-end/70931
1644         * dwarf2out.c (native_encode_initializer): Skip zero-sized fields.
1645
1646 2016-05-06  Richard Biener  <rguenther@suse.de>
1647
1648         PR middle-end/70941
1649         * fold-const.c (split_tree): Always convert to the original type
1650         before negating.
1651
1652 2016-05-06  Richard Biener  <rguenther@suse.de>
1653
1654         * fwprop.c (fwprop): Remove duplicate cleanup_cfg call.
1655         (fwprop_addr): Likewise.
1656
1657 2016-05-06  Uros Bizjak  <ubizjak@gmail.com>
1658
1659         PR target/70873
1660         * config/i386/i386-protos.h (ix86_standard_x87sse_constant_load_p):
1661         New prototype.
1662         * config/i386/i386.c (ix86_standard_x87sse_constant_load_p): New.
1663         * config/i386/i386.md (push mem splitter): Use find_constant_src in
1664         the splitter condition.
1665         (FP load splitter): Use ix86_standard_x87sse_constant_load_p in
1666         the splitter condition.
1667         (FP float_extend load splitter): Ditto.
1668
1669 2016-05-05  Uros Bizjak  <ubizjak@gmail.com>
1670
1671         * config/i386/i386.md (peehole2 patterns): Change true_regnum
1672         to REGNO in all peephole2 patterns.
1673         (post-reload splitters): Change true_regnum to REGNO in
1674         post-reload splitters.
1675         (zero_extend splitters): Use general_reg_operand and
1676         nonimmediate_gr_operand predicates.
1677
1678 2016-05-05  Jakub Jelinek  <jakub@redhat.com>
1679
1680         * config/i386/sse.md (<avx512>_fmadd_<mode>_mask3<round_name>): Use
1681         v constraint instead of x.
1682
1683 2016-05-05  Alan Modra  <amodra@gmail.com>
1684
1685         PR target/68662
1686         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Don't
1687         set OPTION_MASK_RELOCATABLE when flag_pic == 2.  Set
1688         TARGET_NO_FP_IN_TOC for -mrelocatable.
1689         (MINIMAL_TOC_SECTION_ASM_OP): Remove redundant
1690         TARGET_RELOCATABLE test.
1691         (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
1692         (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
1693         * config/rs6000/linux64.h (MINIMAL_TOC_SECTION_ASM_OP): Likewise.
1694         (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
1695         (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
1696         * config/rs6000/freebsd64.h (MINIMAL_TOC_SECTION_ASM_OP): Likewise.
1697         (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
1698         (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
1699         * config/rs6000/predicates.md (easy_fp_constant): Likewise.
1700         * config/rs6000/rs6000.c (rs6000_elf_output_toc_section_asm_op):
1701         Likewise.
1702         (rs6000_assemble_integer): Update TARGET_RELOCATABLE test.
1703         (rs6000_stack_info): Likewise.
1704         (rs6000_elf_asm_out_constructor): Likewise.
1705         (rs6000_elf_asm_out_destructor): Likewise.
1706         (rs6000_elf_declare_function_name): Likewise.
1707         * config/rs6000/rs6000.md (load_toc_aix_di): Likewise.
1708         * config/rs6000/rs6000.h (MASK_RELOCATABLE, MASK_MINIMAL_TOC):
1709         Don't define.
1710
1711 2016-05-05  Alan Modra  <amodra@gmail.com>
1712
1713         * config/rs6000/rs6000.c (rs6000_frame_related): Rewrite.
1714
1715 2016-05-05  Alan Modra  <amodra@gmail.com>
1716
1717         * config/rs6000/rs6000.c (rs6000_savres_strategy): Don't use
1718         out-of-line gpr restore for one or two regs if that would add
1719         a save of lr.
1720
1721 2016-05-04  Uros Bizjak  <ubizjak@gmail.com>
1722
1723         PR target/70873
1724         * config/i386/i386.md
1725         (TARGET_SSE_PARTIAL_REG_DEPENDENCY float_extend sf->df peephole2):
1726         Change to post-epilogue_completed late splitter.  Use sse_reg_operand
1727         as operand 0 predicate.
1728         (TARGET_SSE_PARTIAL_REG_DEPENDENCY float_truncate df->sf peephole2):
1729         Ditto.
1730         (TARGET_SSE_PARTIAL_REG_DEPENDENCY float {si,di}->{sf,df} peephole2):
1731         Ditto.  Emit the pattern using RTX.
1732
1733         (TARGET_USE_VECTOR_FP_CONVERTS float_extend sf->df splitter):
1734         Use sse_reg_opreand as operand 0 predicate.  Do not use true_regnum in
1735         the post-reload splitter.  Use lowpart_subreg instead of gen_rtx_REG.
1736         (TARGET_USE_VECTOR_FP_CONVERTS float_truncate df->sf splitter):
1737         Ditto.
1738         (TARGET_USE_VECTOR_CONVERTS float si->{sf,df} splitter): Use
1739         sse_reg_operand as operand 0 predicate.
1740
1741         (TARGET_SPLIT_MEM_OPND_FOR_FP_CONVERTS float_extend sf->df peephole2):
1742         Use sse_reg_opreand as operand 0 predicate.  Use lowpart_subreg
1743         instead of gen_rtx_REG.
1744         (TARGET_SPLIT_MEM_OPND_FOR_FP_CONVERTS float_truncate sf->df peephole2):
1745         Ditto.
1746
1747 2016-05-04  Segher Boessenkool  <segher@kernel.crashing.org>
1748
1749         * function.c (emit_use_return_register_into_block): Delete.
1750         (gen_return_pattern): Delete.
1751         (emit_return_into_block): Delete.
1752         (active_insn_between): Delete.
1753         (convert_jumps_to_returns): Delete.
1754         (emit_return_for_exit): Delete.
1755         (thread_prologue_and_epilogue_insns): Delete all code dealing with
1756         simple_return for shrink-wrapped blocks.
1757         * shrink-wrap.c (try_shrink_wrapping): Insert simple_return at the
1758         end of blocks that need one.
1759         (get_unconverted_simple_return): Delete.
1760         (convert_to_simple_return): Delete.
1761         * shrink-wrap.c (get_unconverted_simple_return): Delete declaration.
1762         (convert_to_simple_return): Ditto.
1763
1764 2016-05-04  Segher Boessenkool  <segher@kernel.crashing.org>
1765
1766         * cfgcleanup.c (bb_is_just_return): New function.
1767         (try_optimize_cfg): Simplify jumps to return, branches to return,
1768         and branches around return.
1769
1770 2016-05-04  Segher Boessenkool  <segher@kernel.crashing.org>
1771
1772         * cfgcleanup.c (try_simplify_condjump): Don't try to simplify a
1773         branch to a return.
1774
1775 2016-05-04  Jakub Jelinek  <jakub@redhat.com>
1776
1777         PR c++/70906
1778         PR c++/70933
1779         * tree-core.h (enum operand_equal_flag): Add OEP_HASH_CHECK.
1780         * tree.c (inchash::add_expr): If !IS_EXPR_CODE_CLASS (tclass),
1781         assert flags & OEP_HASH_CHECK, instead of asserting it
1782         never happens.  Handle TARGET_EXPR.
1783         * fold-const.c (operand_equal_p): For hash verification,
1784         or in OEP_HASH_CHECK into flags.
1785
1786 2016-05-04  Eric Botcazou  <ebotcazou@adacore.com>
1787
1788         * tree-ssa-coalesce.c (gimple_can_coalesce_p): Fix reference in head
1789         comment.
1790         (compute_samebase_partition_bases): Fix typo.
1791
1792 2016-05-04  Jakub Jelinek  <jakub@redhat.com>
1793
1794         * config/i386/sse.md (vec_interleave_highv8sf,
1795         vec_interleave_lowv8sf, vec_interleave_highv4df,
1796         vec_interleave_lowv4df): Remove constraints from expanders.
1797
1798         * config/i386/sse.md (sse2_movq128): Use v constraint instead of x.
1799
1800 2016-05-04  Jan Hubicka  <hubicka@ucw.cz>
1801
1802         * tree-inline.c (expand_call_inline): Fix path dealing with
1803         making lhs of call statement undefined.
1804
1805 2016-05-04  Jan Hubicka  <hubicka@ucw.cz>
1806
1807         * cgraph.c (cgraph_node::call_for_symbol_thunks_and_aliases):
1808         Check availability on NODE, too.
1809         * cgraph.h (symtab_node::call_for_symbol_and_aliases): Likewise.
1810         (cgraph_node::call_for_symbol_and_aliases): Likewise.
1811         (varpool_node::call_for_symbol_and_aliase): Likewise.
1812         * ipa-pure-const.c (add_new_function): Analyze all bodies.
1813         (propagate_pure_const): Propagate across interposable functions, too.
1814         (skip_function_for_local_pure_const): Do not skip interposable bodies
1815         with aliases.
1816         (pass_local_pure_const::execute): Update.
1817
1818 2016-05-04  Marek Polacek  <polacek@redhat.com>
1819
1820         * doc/invoke.texi: Document -Wdangling-else.
1821
1822 2016-05-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
1823
1824         * config.gcc: Error out when conflicting multilib is detected.  Do not
1825         loop over multilibs since no combination is legal.
1826
1827 2016-05-04  Alan Modra  <amodra@gmail.com>
1828
1829         * config/rs6000/rs6000.h (PIC_OFFSET_TABLE_REGNUM): Correct.
1830         * config/rs6000/sysv4.h (TARGET_TOC): Simplify.
1831         * config/rs6000/rs6000.c (rs6000_elf_output_toc_section_asm_op):
1832         Align .toc.
1833
1834 2016-05-04  Matthew Fortune  <matthew.fortune@imgtec.com>
1835
1836         * config/mips/mips-cpus.def (p5600): Avoid IMADD by default.
1837         Clean up p5600 comments.
1838
1839 2016-05-04  Richard Biener  <rguenther@suse.de>
1840
1841         * match.pd: Add BIT_FIELD_REF canonicalizations and vector
1842         constructor simplifications.
1843         * fold-const.c (fold_ternary_loc): Remove duplicate functionality here.
1844
1845 2016-05-04  Oleg Endo  <olegendo@gcc.gnu.org>
1846
1847         * config/sh/predicates (post_inc_mem, pre_dec_mem): New predicates.
1848         * config/sh/sh-protos.h (sh_find_set_of_reg): Return null result if
1849         result.set_rtx is null instead of aborting.
1850         * config/sh/sh.h (USE_LOAD_POST_INCREMENT, USE_STORE_PRE_DECREMENT):
1851         Always enable.
1852         (USE_LOAD_PRE_DECREMENT, USE_STORE_POST_INCREMENT): Enable for SH2A.
1853         * config/sh/sh.md (*extend<mode>si2_predec, *mov<mode>_load_predec,
1854         *mov<mode>_store_postinc): New patterns.
1855
1856 2016-05-04  Marc Glisse  <marc.glisse@inria.fr>
1857
1858         * match.pd ((A | B) & (A | C)): Generalize to BIT_XOR_EXPR.  Mark
1859         as commutative.  Check both conversions are NOP.
1860         ((A & B) OP (C & B)): Remove.
1861
1862 2016-05-04  Alan Modra  <amodra@gmail.com>
1863
1864         * combine.c (simplify_set): Correct WORD_REGISTER_OPERATIONS test.
1865
1866 2016-05-04  Alan Modra  <amodra@gmail.com>
1867
1868         PR target/70866
1869         * config/rs6000/rs6000.c (rs6000_stack_info): Don't set cr_save_p
1870         when cr2,3,4 are all fixed regs.
1871
1872 2016-05-04  Bernd Schmidt  <bschmidt@redhat.com>
1873
1874         PR rtl-optimization/57193
1875         * opts.c (default_options_table): Revert OPT_frename_registers change.
1876         * doc/invoke.texi (-frename-registers, -O2): Likewise.
1877
1878 2016-05-03  Martin Sebor  <msebor@redhat.com>
1879
1880         PR c++/66561
1881         * builtins.c (fold_builtin_FILE): New function.
1882         (fold_builtin_FUNCTION, fold_builtin_LINE): New functions.
1883         (fold_builtin_0): Call them.
1884         * gimplify.c (gimplify_call_expr): Remove the handling of
1885         BUILT_IN_FILE, BUILT_IN_FUNCTION, and BUILT_IN_LINE.
1886
1887         PR c++/66561
1888         * doc/extend.texi (Other Builtins): Update __builtin_FILE,
1889         __builtin_FUNCTION, and __builtin_LINE to reflect they yield
1890         constants.
1891
1892         PR c++/66639
1893         * doc/extend.texi (Function Names as Strings): Update __func__,
1894         __FUNCTION__, __PRETTY_FUNCTION__ to reflect they evaluate to
1895         constants.
1896
1897 2016-05-03  Jakub Jelinek  <jakub@redhat.com>
1898             Richard Biener  <rguenther@suse.de>
1899
1900         PR tree-optimization/70916
1901         * tree-if-conv.c: Include cfganal.h.
1902         (pass_if_conversion::execute): Call connect_infinite_loops_to_exit
1903         and remove_fake_exit_edges around the optimization pass.
1904
1905 2016-05-03  Jan Hubicka  <hubicka@ucw.cz>
1906
1907         * cgraph.c (symbol_table::create_edge): Set inline_failed.
1908         (cgraph_edge::make_direct): Likewise.
1909         (cgraph_edge::dump_edge_flags): Dump call_stmt_cannot_inline_p.
1910         * cgraphclones.c (duplicate_thunk_for_node): Set inline_failed.
1911         * cif-code.def (CIF_LTO_MISMATCHED_DECLARATIONS): New code
1912         (CIF_THUNK): New code.
1913         * ipa-inline-analysis.c (initialize_inline_failed): Preserve
1914         CIF_FINAL_ERROR codes; do not deal with call_stmt_cannot_inline_p.
1915         (compute_inline_parameters): Set inline_failed for thunks.
1916         (inline_analyze_function): Cleanup.
1917         * ipa-inline.c (can_inline_edge_p): Do not deal with
1918         call_stmt_cannot_inline_p.
1919         (can_early_inline_edge_p): Likewise.
1920         (early_inliner): Initialize inline_failed.
1921         * lto-cgraph.c (lto_output_edge): Sanity check inline_failed.
1922
1923 2016-05-03  Uros Bizjak  <ubizjak@gmail.com>
1924
1925         * config/i386/predicates.md (x87nonimm_ssenomem_operand): Rename
1926         from nonimm_ssenomem_operand.
1927         (nonimm_ssenomem_operand): New predicate.
1928         * config/i386/i386.md (extendsfdf2): Use nonimm_ssenomem_operand
1929         as operand 0 predicate.
1930         (*extendsfdf2): Merge from *extendsfdf2_mixed and *extendsfdf2_i387.
1931         Disable unsupported alternatives using "enabled" attribute.
1932         Use register_ssemem_operand as operand 0 predicate.
1933         (*fop_<mode>_1): Use x87nonimm_ssenomem_operand as operand 1 predicate.
1934
1935 2016-05-03  Marek Polacek  <polacek@redhat.com>
1936
1937         PR c/70859
1938         * input.c (expansion_point_location): New function.
1939         * input.h (expansion_point_location): Declare.
1940
1941 2016-05-03  Pierre-Marie de Rodat  <derodat@adacore.com>
1942
1943         * dwarf2out.c (resolve_args_picking_1): Replace the frame_offset
1944         occurence with frame_offset_ ones.
1945
1946 2016-05-03  Alan Modra  <amodra@gmail.com>
1947
1948         PR rtl-optimization/70890
1949         * ira.c (combine_and_move_insns): When moving def_insn, remove
1950         equivs on use_insn.
1951
1952 2016-05-03  Dominik Vogt  <vogt@linux.vnet.ibm.com>
1953
1954         * config/s390/s390.md ("*r<noxa>sbg_<mode>_sll")
1955         ("*r<noxa>sbg_<mode>_srl"): New define_insns.
1956         ("*r<noxa>sbg_<mode>_srl_bitmask"): Rename by adding "_bitmask".
1957         ("*r<noxa>sbg_<mode>_sll_bitmask"): Likewise.
1958
1959 2016-05-03  Alan Modra  <amodra@gmail.com>
1960
1961         * config/rs6000/rs6000.c (rs6000_savres_strategy): Correct condition
1962         for SAVE_MULTIPLE/STORE_MULTIPLE.
1963
1964 2016-05-03  Jakub Jelinek  <jakub@redhat.com>
1965
1966         * config/i386/i386.md (*truncdfsf_mixed, *truncdfsf_i387,
1967         *truncxfsf2_mixed, *truncxfdf2_mixed): Use v constraint instead of x.
1968
1969 2016-05-03  Richard Biener  <rguenther@suse.de>
1970
1971         * gimplify.h (get_initialized_tmp_var): Add allow_ssa parameter
1972         default true.
1973         (gimplify_arg): Likewise.
1974         * gimplify.c (gimplify_expr): Add overload with allow_ssa parameter,
1975         re-writing the result to a decl if required.
1976         (internal_get_tmp_var): Add allow_ssa parameter
1977         and override into_ssa with it.
1978         (get_formal_tmp_var): Adjust.
1979         (get_initialized_tmp_var): Add allow_ssa parameter.
1980         (gimplify_arg): Add allow_ssa parameter and avoid generating
1981         SSA names for the result false.
1982         (gimplify_call_expr): If the call may return twice do not
1983         gimplify parameters into SSA.
1984         (prepare_gimple_addressable): Do not allow an SSA name as temporary.
1985         (gimplify_modify_expr): Adjust assert.  For noreturn calls
1986         with a SSA name LHS adjust its def.
1987         (gimplify_save_expr): Do not allow an SSA name as save-expr result.
1988         (gimplify_one_sizepos): Do not allow an SSA name as a sizepos.
1989         (gimplify_body): Init GIMPLE SSA data structures and gimplify into-SSA.
1990         (gimplify_scan_omp_clauses): Make sure OMP_CLAUSE_SIZE is not
1991         an SSA name.  Likewise for OMP_CLAUSE_REDUCTION operands.
1992         (gimplify_omp_for): Likewise for OMP_CLAUSE_DECL.  Likewise
1993         for OMP_FOR_COND,  OMP_FOR_INCR and OMP_CLAUSE_LINEAR_STEP.
1994         (optimize_target_teams): Do not allow SSA names for clause operands.
1995         (gimplify_expr): Likewise for where we mark the result addressable.
1996         * passes.def (pass_init_datastructures): Remove.
1997         * tree-into-ssa.c (mark_def_sites): Ignore existing SSA names.
1998         (rewrite_stmt): Likewise.
1999         * tree-inline.c (initialize_cfun): Properly transfer SSA state.
2000         (replace_locals_op): Replace SSA names.
2001         (copy_gimple_seq_and_replace_locals): Init src_cfun.
2002         * gimple-low.c (lower_builtin_setjmp): Deal with SSA.
2003         * cgraph.c (release_function_body): Free CFG annotations only
2004         when we have a CFG.  Simplify.
2005         * gimple-fold.c (gimplify_and_update_call_from_tree): Use
2006         force_gimple_operand instead of get_initialized_tmp_var.
2007         * tree-pass.h (make_pass_init_datastructures): Remove.
2008         * tree-ssa.c (execute_init_datastructures): Remove.
2009         (pass_data_init_datastructures): Likewise.
2010         (class pass_init_datastructures): Likewise.
2011         (make_pass_init_datastructures): Likewise.
2012         * omp-low.c (create_omp_child_function): Init SSA data structures.
2013         (grid_expand_target_grid_body): Likewise.
2014         * tree-cfg.c (move_block_to_fn): Double-check the DEF is an SSA
2015         name before adding it to names_to_release.
2016         (remove_bb): Always release SSA defs.
2017         * tree-ssa-ccp.c (get_default_value): Check SSA_NAME_VAR
2018         before dereferencing it.
2019         * cgraphunit.c (init_lowered_empty_function): Always
2020         int SSA data structures.
2021         * tree-ssanames.c (release_defs): Remove assert that we are in
2022         SSA form.
2023         * trans-mem.c (diagnose_tm_1): Handle SSA name function.
2024
2025 2016-05-03  Jakub Jelinek  <jakub@redhat.com>
2026             Uros Bizjak  <ubizjak@gmail.com>
2027
2028         PR rtl-optimization/70467
2029         * config/i386/predicates.md (x86_64_hilo_int_operand,
2030         x86_64_hilo_general_operand): New predicates.
2031         * config/i386/constraints.md (Wd): New constraint.
2032         * config/i386/i386.md (mode attr di): Use Wd instead of e.
2033         (general_hilo_operand): New mode attr.
2034         (add<mode>3, sub<mode>3): Use <general_hilo_operand>
2035         instead of <general_operand>.
2036         (*add<dwi>3_doubleword, *sub<dwi>3_doubleword): Use
2037         x86_64_hilo_general_operand instead of <general_operand>.
2038
2039 2016-05-03  Jakub Jelinek  <jakub@redhat.com>
2040
2041         PR tree-optimization/70916
2042         * tree-if-conv.c (constant_or_ssa_name): Removed.
2043         (fold_build_cond_expr): Use is_gimple_val instead of
2044         constant_or_ssa_name.
2045
2046         PR tree-optimization/70916
2047         * tree-vect-patterns.c (vect_recog_mask_conversion_pattern): Give up
2048         if COND_EXPR rhs1 is neither SSA_NAME nor COMPARISON_CLASS_P.
2049
2050         PR target/49244
2051         * tree-ssa-ccp.c: Include stor-layout.h and optabs-query.h.
2052         (optimize_atomic_bit_test_and): New function.
2053         (pass_fold_builtins::execute): Use it.
2054         * optabs.def (atomic_bit_test_and_set_optab,
2055         atomic_bit_test_and_complement_optab,
2056         atomic_bit_test_and_reset_optab): New optabs.
2057         * internal-fn.def (ATOMIC_BIT_TEST_AND_SET,
2058         ATOMIC_BIT_TEST_AND_COMPLEMENT, ATOMIC_BIT_TEST_AND_RESET): New ifns.
2059         * builtins.h (expand_ifn_atomic_bit_test_and): New prototype.
2060         * builtins.c (expand_ifn_atomic_bit_test_and): New function.
2061         * internal-fn.c (expand_ATOMIC_BIT_TEST_AND_SET,
2062         expand_ATOMIC_BIT_TEST_AND_COMPLEMENT,
2063         expand_ATOMIC_BIT_TEST_AND_RESET): New functions.
2064         * doc/md.texi (atomic_bit_test_and_set@var{mode},
2065         atomic_bit_test_and_complement@var{mode},
2066         atomic_bit_test_and_reset@var{mode}): Document.
2067         * config/i386/sync.md (atomic_bit_test_and_set<mode>,
2068         atomic_bit_test_and_complement<mode>,
2069         atomic_bit_test_and_reset<mode>): New expanders.
2070         (atomic_bit_test_and_set<mode>_1,
2071         atomic_bit_test_and_complement<mode>_1,
2072         atomic_bit_test_and_reset<mode>_1): New insns.
2073
2074 2016-05-03  Richard Sandiford  <richard.sandiford@arm.com>
2075
2076         PR rtl-optimization/70687
2077         * combine.c (change_zero_ext): Check for scalar modes.  Use wide_int
2078         instead of unsigned HOST_WIDE_INT.
2079
2080 2016-05-03  Bernd Schmidt  <bschmidt@redhat.com>
2081
2082         PR rtl-optimization/44281
2083         * hard-reg-set.h (struct target_hard_regs): New field
2084         x_fixed_nonglobal_reg_set.
2085         (fixed_nonglobal_reg_set): New macro.
2086         * reginfo.c (init_reg_sets_1): Initialize it.
2087         * ira.c (setup_alloc_regs): Use fixed_nonglobal_reg_set instead
2088         of fixed_reg_set.
2089         * df-scan.c (df_insn_refs_collect): Asms may reference global regs.
2090
2091 2016-05-03  Bin Cheng  <bin.cheng@arm.com>
2092
2093         PR tree-optimization/56541
2094         * doc/invoke.texi (@item max-tree-if-conversion-phi-args): New item.
2095         * params.def (PARAM_MAX_TREE_IF_CONVERSION_PHI_ARGS): new param.
2096         * tree-if-conv.c (MAX_PHI_ARG_NUM): new macro.
2097         (any_complicated_phi): new static variable.
2098         (aggressive_if_conv): delete.
2099         (if_convertible_phi_p): support phis with more than two arguments.
2100         (if_convertible_bb_p): remvoe check on aggressive_if_conv and
2101         critical pred edges.
2102         (ifcvt_split_critical_edges): support phis with more than two
2103         arguments by checking new parameter.  only split critical edges
2104         if needed.
2105         (tree_if_conversion): handle simd pragma marked loop using new
2106         local variable aggressive_if_conv.  check any_complicated_phi.
2107
2108 2016-05-03  Bin Cheng  <bin.cheng@arm.com>
2109
2110         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Check depends_on
2111         before using it.
2112
2113 2016-05-03  Bin Cheng  <bin.cheng@arm.com>
2114
2115         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Don't clobber
2116         cbase.
2117
2118 2016-05-03  Oleg Endo  <olegendo@gcc.gnu.org>
2119
2120         * config/sh/sh.md (udivsi3, divsi3, mulsi3): Simplify.
2121         (mulhisi3, umulhisi3, (smulsi3_highpart, umulsi3_highpart): Convert to
2122         define_insn_and_split.
2123         (mulsi3_i): New define_insn_and_split.
2124         (mulsi3_call): Convert to define_insn.
2125         (mulsidi3, mulsidi3_compact, umulsidi3, umulsidi3_compact):
2126         Remove constraints.
2127
2128 2016-05-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
2129
2130         * machmode.h (mode_complex): Add support to give the complex mode
2131         for a given mode.
2132         (GET_MODE_COMPLEX_MODE): Likewise.
2133         * stor-layout.c (layout_type): For COMPLEX_TYPE, use the mode
2134         stored by build_complex_type and gfc_build_complex_type instead of
2135         trying to figure out the appropriate mode based on the size. Raise
2136         an assertion error, if the type was not set.
2137         * genmodes.c (struct mode_data): Add field for the complex type of
2138         the given type.
2139         (blank_mode): Likewise.
2140         (make_complex_modes): Remember the complex mode created in the
2141         base type.
2142         (emit_mode_complex): Write out the mode_complex array to map a
2143         type mode to the complex version.
2144         (emit_insn_modes_c): Likewise.
2145         * tree.c (build_complex_type): Set the complex type to use before
2146         calling layout_type.
2147         * config/rs6000/rs6000.c (rs6000_hard_regno_nregs_internal): Add
2148         support for __float128 complex datatypes.
2149         (rs6000_hard_regno_mode_ok): Likewise.
2150         (rs6000_setup_reg_addr_masks): Likewise.
2151         (rs6000_complex_function_value): Likewise.
2152         * config/rs6000/rs6000.h (FLOAT128_IEEE_P): Likewise.
2153         __float128 and __ibm128 complex.
2154         (FLOAT128_IBM_P): Likewise.
2155         (ALTIVEC_ARG_MAX_RETURN): Likewise.
2156         * doc/extend.texi (Additional Floating Types): Document that
2157         -mfloat128 must be used to enable __float128.  Document complex
2158         __float128 and __ibm128 support.
2159
2160 2016-05-02  Jakub Jelinek  <jakub@redhat.com>
2161
2162         PR target/49244
2163         * gimple.c (gimple_builtin_call_types_compatible_p): Allow
2164         char/short arguments promoted to int because of promote_prototypes.
2165
2166 2016-05-02  Uros Bizjak  <ubizjak@gmail.com>
2167
2168         * config/i386/predicates.md (register_ssemem_operand): New predicate.
2169         * config/i386/i386.md (*cmpi<FPCMP:unord><MODEF:mode>): Merge from
2170         *cmpi<FPCMP:unord><MODEF:mode>_mixed and
2171         *cmpi<FPCMP:unord><X87MODEF:mode>_i387.  Disable unsupported
2172         alternatives using "enabled" attribute.  Use register_ssemem_operand
2173         as operand 1 predicate.
2174         (*cmpi<unord>xf_i387): Split XFmode pattern from
2175         *cmpi<FPCMP:unord><X87MODEF:mode>_i387.
2176         (*absneg<mode>2): Merge from *absneg<mode>2_mixed and
2177         *absneg<mode>2_i387.  Disable unsupported alternatives using
2178         "enabled" attribute.
2179         (*absnegxf2_i387): Split XFmode pattern from *absneg<mode>2_i387.
2180
2181 2016-05-02  Nathan Sidwell  <nathan@codesourcery.com>
2182
2183         * omp-low.c (lower_oacc_head_tail): Assert there is at least one
2184         marker.
2185         (oacc_loop_process): Check mask for loop termination.
2186
2187 2016-05-02  Jan Hubicka  <hubicka@ucw.cz>
2188
2189         * cif-code.def (CIF_THUNK): Add.
2190         * ipa-inline-analsysis.c (evaluate_conditions_for_known_args): Revert
2191         accidental change.
2192
2193 2016-05-02  Jan Hubicka  <hubicka@ucw.cz>
2194
2195         * ipa-inline-analysis.c (reset_inline_summary): Clear fp_expressions
2196         (dump_inline_summary): Dump it.
2197         (fp_expression_p): New predicate.
2198         (estimate_function_body_sizes): Use it.
2199         (inline_merge_summary): Merge fp_expressions.
2200         (inline_read_section): Read fp_expressions.
2201         (inline_write_summary): Write fp_expressions.
2202         * ipa-inline.c (can_inline_edge_p): Permit inlining across fp math
2203         codegen boundary if either caller or callee is !fp_expressions.
2204         * ipa-inline.h (inline_summary): Add fp_expressions.
2205         * ipa-inline-transform.c (inline_call): When inlining !fp_expressions
2206         to fp_expressions be sure the fp generation flags are updated.
2207
2208 2016-05-02  Jakub Jelinek  <jakub@redhat.com>
2209
2210         PR rtl-optimization/70467
2211         * cse.c (cse_insn): Handle no-op MEM moves after folding.
2212
2213         PR rtl-optimization/70467
2214         * ipa-pure-const.c (check_call): Handle internal calls even in
2215         ipa mode like in local mode.
2216
2217 2016-05-02  Bernd Edlinger  <bernd.edlinger@hotmail.de>
2218
2219         * doc/install.texi: Document supported in-tree gmp/mpfr/mpc versions.
2220
2221 2016-05-02  Marc Glisse  <marc.glisse@inria.fr>
2222
2223         * match.pd (X u< X, X u> X): New transformations.
2224
2225 2016-05-02  Marc Glisse  <marc.glisse@inria.fr>
2226
2227         * flag-types.h (enum warn_strict_overflow_code): Move ...
2228         * coretypes.h: ... here.
2229         * fold-const.h (fold_overflow_warning): Declare.
2230         * fold-const.c (fold_overflow_warning): Make non-static.
2231         (fold_comparison): Move the transformation of X +- C1 CMP C2
2232         into X CMP C2 -+ C1 ...
2233         * match.pd: ... here.
2234         * gimple-fold.c (fold_stmt_1): Protect with
2235         fold_defer_overflow_warnings.
2236
2237 2016-05-02  Nathan Sidwell  <nathan@codesourcery.com>
2238
2239         * omp-low.c (struct oacc_loop): Add 'inner' field.
2240         (new_oacc_loop_raw): Initialize it to zero.
2241         (oacc_loop_fixed_partitions): Initialize it.
2242         (oacc_loop_auto_partitions): Partition outermost loop to outermost
2243         available partitioning.
2244
2245 2016-05-02  Claudiu Zissulescu  <claziss@synopsys.com>
2246
2247         * config/arc/arc.md (mulsidi3): Change operand 0 predicate to
2248         register_operand.
2249         (umulsidi3): Likewise.
2250         (indirect_jump): Fix jump instruction assembly patterns.
2251
2252 2016-05-02  Thomas Schwinge  <thomas@codesourcery.com>
2253
2254         PR target/70860
2255         * config/nvptx/nvptx.c (nvptx_libcall_value): Handle NULL cfun.
2256         (nvptx_function_value): Assert non-NULL cfun.
2257
2258 2016-05-02  Eric Botcazou  <ebotcazou@adacore.com>
2259
2260         PR rtl-optimization/70886
2261         * sched-deps.c (estimate_dep_weak): Canonicalize cselib values.
2262
2263         * cselib.h (rtx_equal_for_cselib_1): Declare.
2264         (rtx_equal_for_cselib_p: New inline function.
2265         * cselib.c (rtx_equal_for_cselib_p): Delete.
2266         (rtx_equal_for_cselib_1): Make public.
2267
2268 2016-05-02  Uros Bizjak  <ubizjak@gmail.com>
2269
2270         * config/i386/predicates.md (nonimm_ssenomem_operand): New predicate.
2271         (register_mixssei387nonimm_operand): Remove predicate.
2272         * config/i386/i386.md (*fop_<mode>_comm): Merge from
2273         *fop_<mode>_comm_mixed and *fop_<mode>_comm_i387.  Disable unsupported
2274         alternatives using "enabled" attribute.  Also check X87_ENABLE_ARITH
2275         for TARGET_MIX_SSE_I387 alternatives.
2276         (*fop_<mode>_1): Merge from *fop_<mode>_1_mixed and *fop_<mode>_1_i387.
2277         Disable unsupported alternatives using "enabled" attribute.  Use
2278         nonimm_ssenomem_operand as operand 1 predicate.  Also check
2279         X87_ENABLE_ARITH for TARGET_MIX_SSE_I387 alternatives.
2280
2281 2016-05-02  Richard Sandiford  <richard.sandiford@arm.com>
2282
2283         * tree.c (cst_and_fits_in_hwi): Simplify.
2284
2285 2016-05-02  Richard Sandiford  <richard.sandiford@arm.com>
2286
2287         * tree.h (wi::to_wide): New function.
2288         * expr.c (expand_expr_real_1): Use wi::to_wide.
2289         * fold-const.c (int_const_binop_1): Likewise.
2290         (extract_muldiv_1): Likewise.
2291
2292 2016-05-02  Richard Sandiford  <richard.sandiford@arm.com>
2293
2294         * wide-int.h: Update offset_int and widest_int documentation.
2295         (WI_SIGNED_SHIFT_RESULT): New macro.
2296         (wi::binary_shift): Define signed_shift_result_type for
2297         shifts on offset_int- and widest_int-like types.
2298         (generic_wide_int): Support <<= and >>= if << and >> are supported.
2299         * tree.h (int_bit_position): Use shift operators instead of wi::
2300          shifts.
2301         * alias.c (adjust_offset_for_component_ref): Likewise.
2302         * expr.c (get_inner_reference): Likewise.
2303         * fold-const.c (fold_comparison): Likewise.
2304         * gimple-fold.c (fold_nonarray_ctor_reference): Likewise.
2305         * gimple-ssa-strength-reduction.c (restructure_reference): Likewise.
2306         * tree-dfa.c (get_ref_base_and_extent): Likewise.
2307         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Likewise.
2308         (stmt_kills_ref_p): Likewise.
2309         * tree-ssa-ccp.c (bit_value_binop_1): Likewise.
2310         * tree-ssa-math-opts.c (find_bswap_or_nop_load): Likewise.
2311         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
2312         (ao_ref_init_from_vn_reference): Likewise.
2313
2314 2016-05-02  Richard Sandiford  <richard.sandiford@arm.com>
2315
2316         * wide-int.h: Update offset_int and widest_int documentation.
2317         (WI_SIGNED_BINARY_PREDICATE_RESULT): New macro.
2318         (wi::binary_traits): Allow ordered comparisons between offset_int and
2319         offset_int, between widest_int and widest_int, and between either
2320         of these types and basic C types.
2321         (operator <, <=, >, >=): Define for the same combinations.
2322         * tree.h (tree_int_cst_lt): Use comparison operators instead
2323         of wi:: comparisons.
2324         (tree_int_cst_le): Likewise.
2325         * gimple-fold.c (fold_array_ctor_reference): Likewise.
2326         (fold_nonarray_ctor_reference): Likewise.
2327         * gimple-ssa-strength-reduction.c (record_increment): Likewise.
2328         * tree-affine.c (aff_comb_cannot_overlap_p): Likewise.
2329         * tree-parloops.c (try_transform_to_exit_first_loop_alt): Likewise.
2330         * tree-sra.c (completely_scalarize): Likewise.
2331         * tree-ssa-alias.c (stmt_kills_ref_p): Likewise.
2332         * tree-ssa-reassoc.c (extract_bit_test_mask): Likewise.
2333         * tree-vrp.c (extract_range_from_binary_expr_1): Likewise.
2334         (check_for_binary_op_overflow): Likewise.
2335         (search_for_addr_array): Likewise.
2336         * ubsan.c (ubsan_expand_objsize_ifn): Likewise.
2337
2338 2016-05-02  Claudiu Zissulescu  <claziss@synopsys.com>
2339
2340         * config/arc/arc.c (arc_preferred_simd_mode): Remove enum keyword.
2341         (arc_save_restore): Likewise.
2342         (arc_dwarf_register_span): Likewise.
2343         (arc_output_pic_addr_const): Initialize suffix variable.
2344
2345 2016-05-02  Martin Liska  <mliska@suse.cz>
2346
2347         * symbol-summary.h (function_summary::function_summary):
2348         Remove checking assert for all cgraph nodes.
2349         (function_summary::get): Check summary_uid.
2350         (symtab_insertion): Check summary_uid.
2351
2352 2016-05-02  Claudiu Zissulescu  <claziss@synopsys.com>
2353
2354         * config/arc/arc-protos.h (compact_memory_operand_p): Declare.
2355         * config/arc/arc.c (arc_output_commutative_cond_exec): Consider
2356         bmaskn instruction.
2357         (arc_dwarf_register_span): Remove enum keyword.
2358         (compact_memory_operand_p): New function.
2359         * config/arc/arc.h (reg_class): Add code density register classes.
2360         (REG_CLASS_NAMES): Likewise.
2361         (REG_CLASS_CONTENTS): Likewise.
2362         * config/arc/arc.md (*movqi_insn): Add code density instructions.
2363         (*movhi_insn, *movsi_insn, *movsf_insn): Likewise.
2364         (*extendhisi2_i, andsi3_i, cmpsi_cc_insn_mixed): Likewise.
2365         (*cmpsi_cc_c_insn, *movsi_ne): Likewise.
2366         * config/arc/constraints.md (C2p, Uts, Cm1, Cm3, Ucd): New
2367         constraints.
2368         (h, Rcd, Rsd, Rzd): New register constraints.
2369         (T): Use compact_memory_operand_p function.
2370         * config/arc/predicates.md (compact_load_memory_operand): Remove.
2371
2372 2016-05-02  Oleg Endo  <olegendo@gcc.gnu.org>
2373
2374         * config/sh/sh.md (*negnegt, *movtt): Remove.
2375
2376 2016-05-02  Marek Polacek  <polacek@redhat.com>
2377             Tom de Vries  <tom@codesourcery.com>
2378
2379         PR tree-optimization/70700
2380         * tree-ssa-structalias.c (dump_pred_graph): Fix getting varinfo for ids
2381         bigger than FIRST_REF_NODE.
2382
2383 2016-05-02  Oleg Endo  <olegendo@gcc.gnu.org>
2384
2385         PR target/52898
2386         * config/sh/sh.c (sh_option_override): Remove TARGET_CBRANCHDI4,
2387         TARGET_CMPEQDI_T.
2388         (prepare_cbranch_operands): Don't use scratch register.  Assume that
2389         function is used when pseudos can be created.
2390         (expand_cbranchdi4): Likewise.  Remove unused TARGET_CMPEQDI_T paths.
2391         * config/sh/sh.md (cbranchsi4): Allow only when pseudos can be created.
2392         (cbranchdi4, cbranchdi4_i): Simplify to single cbranchdi4
2393         define_expand.  Allow it only when pseudos can be created.
2394         * config/sh/sh.opt (mcbranchdi, mcmpeqdi): Delete.
2395
2396 2016-05-01  Uros Bizjak  <ubizjak@gmail.com>
2397
2398         * config/i386/constraints.md (BC): Only allow -1 operands.
2399         * config/i386/sse.md (mov<mode>_internal): Add (v,C) alternative.
2400         Add "enabled" attribute.  Update XI mode attribute calculation.
2401         * config/i386/i386.md (*movxi_internal_avx512f): Add (v,C) alternative.
2402         (*movoi_internal_avx): Update XI mode attribute calculation.
2403         (*movti_internal): Ditto.
2404
2405 2016-05-01  Oleg Endo  <olegendo@gcc.gnu.org>
2406
2407         * config/sh/sh.md (push, pop, ic_invalidate_line, cstoresi4, cstoredi4,
2408         cstoresf4, cstoredf4, fix_truncsfsi2): Remove constraints.
2409
2410 2016-05-01  Eric Botcazou  <ebotcazou@adacore.com>
2411
2412         * config/rs6000/rs6000.c (altivec_expand_lv_builtin): Do not use switch
2413         statement on instruction code.  Remove trailing spaces.
2414         (altivec_expand_stv_builtin): Likewise.
2415
2416 2016-05-01  Oleg Endo  <olegendo@gcc.gnu.org>
2417
2418         * config/sh/sh.h (TARGET_SH4): Remove and use default implementation.
2419         (TARGET_FPU_DOUBLE): Simplify.
2420         (BASE_ARG_REG, DOUBLE_TYPE_SIZE, OPTIMIZE_MODE_SWITCHING): Replace
2421         'TARGET_SH4 || TARGET_SH2A_DOUBLE' conditions with 'TARGET_FPU_DOUBLE'.
2422         * config/sh/sh.c: Replace 'TARGET_SH4 || TARGET_SH2A_DOUBLE' conditions
2423         with 'TARGET_FPU_DOUBLE'.
2424         * config/sh/sh.md: Likewise.
2425
2426 2016-05-01  Yoshinori Sato  <ysato@users.sourceforge.jp>
2427
2428         * config/sh/linux.h (SH_DIV_STRATEGY_DEFAULT,
2429         SH_DIV_STR_FOR_SIZE): Remove.
2430         * config/sh/netbsd-elf.h (SH_DIV_STRATEGY_DEFAULT,
2431         SH_DIV_STR_FOR_SIZE): Remove.
2432
2433 2016-05-01  Oleg Endo  <olegendo@gcc.gnu.org>
2434
2435         * config/sh/predicates.md (any_register_operand, zero_extend_operand,
2436         logical_reg_operand): Delete.
2437         (arith_operand, arith_reg_dest, arith_or_int_operand, cmpsi_operand,
2438         arith_reg_or_0_operand, arith_reg_or_0_or_1_operand, logical_operand,
2439         logical_and_operand, movsrc_no_disp_mem_operand): Rewrite using
2440         match_operand and match_test.
2441         (sh_const_vec, sh_1el_vec): Remove redundant checks.  Declare local
2442         variables on their first use.  Return bool values.
2443         * config/sh/sh.h (LOAD_EXTEND_OP): Update comment.
2444         * config/sh/sh.md (andsi3, iorsi3): Use arith_reg_dest for result and
2445         arith_reg_operand for input operand.  Remove empty constraints.
2446         (xorsi3): Delete.
2447         (*xorsi3_compact): Rename to xorsi3.
2448         (zero_extend<mode>si2): Use arith_reg_operand for input operand.
2449         (*zero_extend<mode>si2_disp_mem): Update comment.
2450         (mov_nop): Delete.
2451
2452 2016-04-30  Oleg Endo  <olegendo@gcc.gnu.org>
2453
2454         * config/sh/t-sh: Remove SH5 support.
2455         * config.gcc: Likewise.
2456         * configure: Likewise.
2457
2458 2016-04-30  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2459
2460         * config/darwin.h (LINK_COMMAND_SPEC_A): Handle -fcilkplus.
2461
2462 2016-04-30  Oleg Endo  <olegendo@gcc.gnu.org>
2463
2464         * config/sh/sh.c (register_sh_passes, sh_option_override,
2465         sh_print_operand, prepare_move_operands,
2466         sh_can_follow_jump): Remove TARGET_SH1 checks.
2467         * config/sh/sh.h (TARGET_VARARGS_PRETEND_ARGS, VALID_REGISTER_P,
2468         PROMOTE_MODE): Likewise.
2469         * config/sh/sh.md (adddi3, addsi3, subdi3, subsi3, andsi3,
2470         movdi): Likewise.
2471
2472 2016-04-30  Alan Modra  <amodra@gmail.com>
2473
2474         * config/rs6000/rs6000.c (rs6000_savres_strategy): Force inline
2475         restoring when fixed_reg_p, but allow out-of-line or stmw save.
2476         Check for user regs later to avoid unnecessary looping over regs.
2477         Merge user reg check with non-saved reg check.  Don't force
2478         inline VR restore when static chain used.
2479         (rs6000_frame_related): Omit eh_frame info for user regs when
2480         saving.
2481         (fixed_regs_p): Delete.
2482
2483 2016-04-30  Alan Modra  <amodra@gmail.com>
2484
2485         * config/rs6000/rs6000.c (SAVRES_MULTIPLE): Replace with..
2486         (SAVE_STRATEGY, REST_STRATEGY): ..this.  Renumber and sort enum.
2487         Update all uses.
2488
2489 2016-04-30  Alan Modra  <amodra@gmail.com>
2490
2491         PR target/69645
2492         * config/rs6000/rs6000.c (fixed_reg_p): New function.
2493         (fixed_regs_p): Rename from global_regs_p.  Call fixed_reg_p.
2494         Update all uses.
2495
2496 2016-04-30  Alan Modra  <amodra@gmail.com>
2497
2498         * config/rs6000/rs6000.c (rs6000_conditional_register_usage):
2499         Remove redundant PIC_OFFSET_TABLE_REGNUM test.  Replace with
2500         flag_pic test for Darwin.
2501
2502 2016-04-30  Alan Modra  <amodra@gmail.com>
2503
2504         * regs.h (struct reg_info_t): Delete freq_calls_crossed and
2505         throw_calls_crossed.
2506         (REG_FREQ_CALLS_CROSSED): Delete.
2507         (REG_N_THROWING_CALLS_CROSSED): Delete.
2508         * regstat.c (regstat_bb_compute_ri): Don't calculate
2509         REG_FREQ_CALLS_CROSSED and REG_N_THROWING_CALLS_CROSSED.
2510         (dump_reg_info): Don't print call cross frequency.
2511         * ira.c (combine_and_move_insns): Don't set REG_FREQ_CALLS_CROSSED
2512         and REG_N_THROWING_CALLS_CROSSED.
2513
2514 2016-04-30  Alan Modra  <amodra@gmail.com>
2515
2516         * regs.h (struct reg_info_t): Delete live_length.
2517         (REG_LIVE_LENGTH): Delete macro.
2518         * regstat.c (regstat_bb_compute_ri): Delete artificial_uses,
2519         local_live, local_processed and local_live_last_luid params.
2520         Replace bb_index param with bb.  Don't set REG_LIVE_LENGTH.
2521         Formatting fixes.
2522         (regstat_compute_ri): Adjust for above.  Don't set
2523         REG_LIVE_LENGTH.
2524         (dump_reg_info): Don't print live length.
2525         * ira.c (update_equiv_regs): Replace test of REG_LIVE_LENGTH
2526         with test of setjmp_crosses.  Don't set REG_LIVE_LENGTH.
2527         Localize loop_depth var.
2528
2529 2016-04-30  Alan Modra  <amodra@gmail.com>
2530
2531         * ira.c (enum valid_equiv): New.
2532         (validate_equiv_mem): Return enum.
2533         (update_equiv_mem): Create replacement in more cases.
2534         (add_store_equivs): Update validate_equiv_mem call.
2535
2536 2016-04-30  Alan Modra  <amodra@gmail.com>
2537
2538         * ira.c (combine_and_move_insns): Rather than scanning insns,
2539         use DF infrastucture to find use and def insns.
2540
2541 2016-04-30  Alan Modra  <amodra@gmail.com>
2542
2543         ira.c (combine_and_move_insns): Move invariant conditions..
2544         (ira.c): ..to here.  Call combine_and_move_insns before
2545         add_store_equivs.  Call grow_reg_equivs later.  Allocate
2546         req_equiv later using max_reg_num() rather than global max_regno.
2547         (contains_replace_regs): Delete.
2548         (add_store_equivs): Remove contains_replace_regs test.
2549
2550 2016-04-30  Alan Modra  <amodra@gmail.com>
2551
2552         * ira.c (struct equiv_mem_data): New.
2553         (equiv_mem, equiv_mem_modified): Delete static vars.
2554         (validate_equiv_mem_from_store): Use "data" param to communicate..
2555         (validate_equiv_mem): ..from here.
2556
2557 2016-04-30  Alan Modra  <amodra@gmail.com>
2558
2559         * ira.c (add_store_equivs, combine_and_move_insns): New functions,
2560         split out from..
2561         (update_reg_equivs): ..here.  Move allocation and freeing of
2562         reg_equiv, and calls to grow_reg_equivs, init_alias_analysis,
2563         end_alias_analysis to..
2564         (ira): ..here.
2565
2566 2016-04-30  Alan Modra  <amodra@gmail.com>
2567
2568         * ira.c (pdx_subregs): Delete.
2569         (struct equivalence): Add pdx_subregs field.
2570         (set_paradoxical_subreg): Remove pdx_subregs param.  Update
2571         pdx_subregs access.
2572         (update_equiv_regs): Don't create or free pdx_subregs.  Update
2573         pdx_subregs access.
2574
2575 2016-04-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2576
2577         * config/rs6000/altivec.h: Change definitions of vec_xl and
2578         vec_xst.
2579         * config/rs6000/rs6000-builtin.def (LD_ELEMREV_V2DF): New.
2580         (LD_ELEMREV_V2DI): New.
2581         (LD_ELEMREV_V4SF): New.
2582         (LD_ELEMREV_V4SI): New.
2583         (LD_ELEMREV_V8HI): New.
2584         (LD_ELEMREV_V16QI): New.
2585         (ST_ELEMREV_V2DF): New.
2586         (ST_ELEMREV_V2DI): New.
2587         (ST_ELEMREV_V4SF): New.
2588         (ST_ELEMREV_V4SI): New.
2589         (ST_ELEMREV_V8HI): New.
2590         (ST_ELEMREV_V16QI): New.
2591         (XL): New.
2592         (XST): New.
2593         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
2594         descriptions for VSX_BUILTIN_VEC_XL and VSX_BUILTIN_VEC_XST.
2595         * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Map from
2596         TARGET_P9_VECTOR to RS6000_BTM_P9_VECTOR.
2597         (altivec_expand_builtin): Add handling for
2598         VSX_BUILTIN_ST_ELEMREV_<MODE> and VSX_BUILTIN_LD_ELEMREV_<MODE>.
2599         (rs6000_invalid_builtin): Add error-checking for
2600         RS6000_BTM_P9_VECTOR.
2601         (altivec_init_builtins): Define builtins used to implement vec_xl
2602         and vec_xst.
2603         (rs6000_builtin_mask_names): Define power9-vector.
2604         * config/rs6000/rs6000.h (MASK_P9_VECTOR): Define.
2605         (RS6000_BTM_P9_VECTOR): Define.
2606         (RS6000_BTM_COMMON): Include RS6000_BTM_P9_VECTOR.
2607         * config/rs6000/vsx.md (vsx_ld_elemrev_v2di): New define_insn.
2608         (vsx_ld_elemrev_v2df): Likewise.
2609         (vsx_ld_elemrev_v4sf): Likewise.
2610         (vsx_ld_elemrev_v4si): Likewise.
2611         (vsx_ld_elemrev_v8hi): Likewise.
2612         (vsx_ld_elemrev_v16qi): Likewise.
2613         (vsx_st_elemrev_v2df): Likewise.
2614         (vsx_st_elemrev_v2di): Likewise.
2615         (vsx_st_elemrev_v4sf): Likewise.
2616         (vsx_st_elemrev_v4si): Likewise.
2617         (vsx_st_elemrev_v8hi): Likewise.
2618         (vsx_st_elemrev_v16qi): Likewise.
2619         * doc/extend.texi: Add prototypes for vec_xl and vec_xst.  Correct
2620         grammar.
2621
2622 2016-04-29  Patrick Palka  <ppalka@gcc.gnu.org>
2623
2624         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Split
2625         out into ...
2626         (simplify_control_stmt_condition_1): ... here.  Recurse into
2627         BIT_AND_EXPRs and BIT_IOR_EXPRs.
2628
2629 2016-04-29  David Edelsohn  <dje.gcc@gmail.com>
2630
2631         PR target/69810
2632         * config/rs6000/rs6000.md (EXTQI): Don't allow extension to HImode.
2633         (zero_extendqi<mode>2_dot): Revert earlier conversion from
2634         define_insn_and_split to define_insn.
2635         (zero_extendqi<mode>2_dot2): Same.
2636         (extendqi<mode>2_dot): Same.
2637         (extendqi<mode>2_dot2): Same.
2638
2639 2016-04-29  Uros Bizjak  <ubizjak@gmail.com>
2640
2641         * config/i386/i386.md (unspec): Add UNSPEC_PROBE_STACK.
2642         (probe_stack): New expander.
2643         (probe_stack_<mode>): New insn pattern.
2644
2645 2016-04-29  Uros Bizjak  <ubizjak@gmail.com>
2646
2647         * config/i386/i386.md
2648         (operations with memory inputs setting flags peephole2):
2649         Remove uneeded REG_P checks.  Cleanup pattern generation.
2650
2651 2016-04-29  Ilya Enkovich  <ilya.enkovich@intel.com>
2652
2653         * tree-vect-loop.c (vect_transform_loop): Fix
2654         nb_iterations_upper_bound computation for vectorized loop.
2655
2656 2016-04-29  Marek Polacek  <polacek@redhat.com>
2657             Jakub Jelinek  <jakub@redhat.com>
2658
2659         PR sanitizer/70342
2660         * fold-const.c (tree_single_nonzero_warnv_p): For TARGET_EXPR, use
2661         TARGET_EXPR_SLOT as a base.
2662
2663 2016-04-29  Andrew Burgess  <andrew.burgess@embecosm.com>
2664
2665         * config/arc/arc.md (*loadqi_update): Replace use of 'rI' constraint
2666         with 'rCm2' constraints to limit possible immediate size.
2667         (*load_zeroextendqisi_update): Likewise.
2668         (*load_signextendqisi_update): Likewise.
2669         (*loadhi_update): Likewise.
2670         (*load_zeroextendhisi_update): Likewise.
2671         (*load_signextendhisi_update): Likewise.
2672         (*loadsi_update): Likewise.
2673         (*loadsf_update): Likewise.
2674
2675 2016-04-29  Uros Bizjak  <ubizjak@gmail.com>
2676
2677         * config/i386/predicates.md (constm1_operand): Fix comparison.
2678
2679 2016-04-29  Claudiu Zissulescu  <claziss@synopsys.com>
2680
2681         * testsuite/gcc.target/arc/ieee_eq.c: New test.
2682
2683 2016-04-29  Oleg Endo  <olegendo@gcc.gnu.org>
2684
2685         * common/config/sh/sh-common.c (sh_option_optimization_table): Remove
2686         remaining SH5 related settings.
2687         * config/sh/sh-protos.h (shmedia_cleanup_truncate,
2688         shmedia_prepare_call_address): Delete.
2689         * config/sh/sh.c (sh_print_operand, output_stack_adjust,
2690         DWARF_CIE_DATA_ALIGNMENT, LOCAL_ALIGNMENT): Update comments.
2691         * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC,
2692         UNSUPPORTED_SH2A): Remove m5 checks.
2693         (sh_divide_strategy_e): Remove SH5 division strategies.
2694         (TARGET_PTRMEMFUNC_VBIT_LOCATION): Remove and use default.
2695         * config/sh/sh.md (divsf3): Reinstate define_expand pattern.
2696
2697 2016-04-29  Dominik Vogt  <vogt@linux.vnet.ibm.com>
2698
2699         * config/s390/s390.c (s390_rtx_costs): Update documentation.
2700
2701 2016-04-29  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
2702
2703         * config/s390/2964.md ("z13_unit_fxu", "z13_0"): Remove lder.
2704         * config/s390/s390.md ("movsi_larl", "*movsi_esa", "mov<mode>"):
2705         Change lder to ldr.
2706         * config/s390/vector.md ("mov<mode>"): Likewise.
2707
2708 2016-04-29  Ulrich Weigand  <uweigand@de.ibm.com>
2709
2710         * config/s390/constraints.md ("U", "W"): Invoke
2711         s390_mem_constraint with "ZR" and "ZT".
2712         * config/s390/s390.c (s390_check_qrst_address): Reject invalid
2713         addresses when using LRA.  Accept also short displacements for S
2714         and T constraints.  Do not check for long displacement target for
2715         S and T constraints.
2716         (s390_mem_constraint): Remove handling of U and W constraints.
2717         * config/s390/s390.md (various patterns): Remove the short
2718         displacement constraints (Q and R) if a long displacement
2719         constraint is present.  Add longdisp as required CPU capability.
2720         * config/s390/vector.md: Likewise.
2721         * config/s390/vx-builtins.md: Likewise.
2722
2723 2016-04-29  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
2724
2725         PR target/60040
2726         * reload1.c (reload): Call finish_spills before
2727         restarting reload loop. Skip select_reload_regs
2728         if update_eliminables_and_spill returns true.
2729
2730 2016-04-29  Claudiu Zissulescu  <claziss@synopsys.com>
2731
2732         * config/arc/arc.h (UNSIGNED_INT12, UNSIGNED_INT16): Define.
2733         * config/arc/arc.md (umulhisi3): Use arc_short_operand predicate.
2734         (umulhisi3_imm): Update predicates and constraint letters.
2735         (umulhisi3_reg): Declare instruction as commutative.
2736         * config/arc/constraints.md (J12, J16): New constraints.
2737         * config/arc/predicates.md (short_unsigned_const_operand): New
2738         predicate.
2739         (arc_short_operand): Likewise.
2740         * testsuite/gcc.target/arc/umulsihi3_z.c: New file.
2741
2742 2016-04-29  Richard Biener  <rguenther@suse.de>
2743
2744         PR tree-optimization/13962
2745         PR tree-optimization/65686
2746         * tree-ssa-alias.h (ptrs_compare_unequal): Declare.
2747         * tree-ssa-alias.c (ptrs_compare_unequal): New function
2748         using PTA to compare pointers.
2749         * match.pd: Add pattern for pointer equality compare simplification
2750         using ptrs_compare_unequal.
2751
2752 2016-04-29  Richard Biener  <rguenther@suse.de>
2753
2754         * stor-layout.c (layout_type): Do not build a pointer-to-element
2755         type for arrays.
2756
2757 2016-04-29  Uros Bizjak  <ubizjak@gmail.com>
2758
2759         * config/i386/i386.md (Load+RegOp to Mov+MemOp peephole2):
2760         Use SWI mode iterator.  Use general_reg_operand predicate.
2761         (Load+RegOp to Mov+MemOp peephole2 with vector regs): Split
2762         peephole to MMX and SSE part.  Use mmx_reg_operand and sse_reg_operand
2763         predicates.
2764
2765 2016-04-29  Jakub Jelinek  <jakub@redhat.com>
2766
2767         PR middle-end/70843
2768         * fold-const.c (operand_equal_p): Don't verify hash value equality
2769         if arg0 == arg1.
2770         * tree.c (inchash::add_expr): Handle STATEMENT_LIST.  Ignore BLOCK
2771         and OMP_CLAUSE.
2772
2773 2016-04-28  Jakub Jelinek  <jakub@redhat.com>
2774
2775         PR target/70858
2776         * config/i386/i386.c (bdesc_special_args): Add | OPTION_MASK_ISA_64BIT
2777         to __builtin_ia32_lwpval64 and __builtin_ia32_lwpins64.
2778         (bdesc_args): Add | OPTION_MASK_ISA_64BIT to __builtin_ia32_bextr_u64,
2779         __builtin_ia32_bextri_u64, __builtin_ia32_bzhi_di,
2780         __builtin_ia32_pdep_di and __builtin_ia32_pext_di.
2781
2782 2016-04-28  Segher Boessenkool  <segher@kernel.crashing.org>
2783
2784         * config/rs6000/rs6000.c (compute_save_world_info): Rename info_ptr
2785         to info.  Don't initialize separate fields to 0.  Clean up
2786         formatting a bit.
2787
2788 2016-04-28  Uros Bizjak  <ubizjak@gmail.com>
2789
2790         * config/i386/i386.md (peephole2s for operations with memory inputs):
2791         Use SWI mode iterator.
2792         (peephole2s for operations with memory outputs): Ditto.
2793         Do not check for stack checking probe.
2794
2795         (probe_stack): Remove expander.
2796
2797 2016-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
2798             Andrew Burgess  <andrew.burgess@embecosm.com>
2799
2800         * config/arc/arc.c (arc_print_operand): Print integer 'H' / 'L'
2801         operands as 32-bits.
2802
2803 2016-04-28  Jason Merrill  <jason@redhat.com>
2804
2805         * gdbinit.in: Skip line-map.h.
2806
2807 2016-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
2808             Andrew Burgess  <andrew.burgess@embecosm.com>
2809
2810         * config/arc/arc.c (arc_conditional_register_usage): Take
2811         TARGET_RRQ_CLASS into account.
2812         (arc_print_operand): Support printing 'p' and 's' operands.
2813         * config/arc/arc.h (TARGET_NPS_BITOPS_DEFAULT): Provide default
2814         as 0.
2815         (TARGET_RRQ_CLASS): Define.
2816         (IS_POWEROF2_OR_0_P): Define.
2817         * config/arc/arc.md (*movsi_insn): Add w/Clo, w/Chi, and w/Cbi
2818         alternatives.
2819         (*tst_movb): New define_insn.
2820         (*tst): Avoid recognition if it could prevent '*tst_movb'
2821         combination; replace c/CnL with c/Chs alternative.
2822         (*tst_bitfield_tst): New define_insn.
2823         (*tst_bitfield_asr): New define_insn.
2824         (*tst_bitfield): New define_insn.
2825         (andsi3_i): Add Rrq variant.
2826         (extzv): New define_expand.
2827         (insv): New define_expand.
2828         (*insv_i): New define_insn.
2829         (*movb): New define_insn.
2830         (*movb_signed): New define_insn.
2831         (*movb_high): New define_insn.
2832         (*movb_high_signed): New define_insn.
2833         (*movb_high_signed + 1): New define_split pattern.
2834         (*mrgb): New define_insn.
2835         (*mrgb + 1): New define_peephole2 pattern.
2836         (*mrgb + 2): New define_peephole2 pattern.
2837         * config/arc/arc.opt (mbitops): New option for nps400, uses
2838         TARGET_NPS_BITOPS_DEFAULT.
2839         * config/arc/constraints.md (q): Make register class conditional.
2840         (Rrq): New register constraint.
2841         (Chs): New constraint.
2842         (Clo): New constraint.
2843         (Chi): New constraint.
2844         (Cbf): New constraint.
2845         (Cbn): New constraint.
2846         (C18): New constraint.
2847         (Cbi): New constraint.
2848
2849 2016-04-28  Segher Boessenkool  <segher@kernel.crashing.org>
2850
2851         * cfganal.c (bitmap_intersection_of_succs): Delete assert checking
2852         dst->popcount.
2853         (bitmap_intersection_of_preds): Ditto.
2854         (bitmap_union_of_succs): Ditto.
2855         (bitmap_union_of_preds): Ditto.
2856         * sbitmap.c (do_popcount): Delete.
2857         (BITMAP_DEBUGGING): Delete.
2858         (sbitmap_verify_popcount): Delete.
2859         (sbitmap_alloc): Don't initialize the popcount field.
2860         (sbitmap_alloc_with_popcount): Delete.
2861         (sbitmap_resize): Don't resize the popcount array.
2862         (sbitmap_vector_alloc): Don't initialize the popcount field.
2863         (bitmap_copy): Don't copy the popcount array.
2864         (bitmap_clear): Don't clear the popcount array.
2865         (bitmap_clear): Delete the popcount array handling.
2866         (bitmap_ior_and_compl): Delete the popcount assert.
2867         (bitmap_not): Ditto.
2868         (bitmap_and_compl): Ditto.
2869         (bitmap_and): Delete the popcount array handling.
2870         (bitmap_xor): Ditto.
2871         (bitmap_ior): Ditto.
2872         (bitmap_or_and): Delete the popcount assert.
2873         (bitmap_and_or): Ditto.
2874         (popcount_table): Delete.
2875         (sbitmap_elt_popcount): Delete.
2876         * sbitmap.h (simple_bitmap_def): Delete the popcount field.
2877         (bitmap_set_bit): Delete the popcount assert.
2878         (bitmap_clear_bit): Ditto.
2879         (sbitmap_free): Don't free the popcount array.
2880         (sbitmap_alloc_with_popcount): Delete declaration.
2881         (sbitmap_popcount): Ditto.
2882
2883 2016-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
2884             Andrew Burgess  <andrew.burgess@embecosm.com>
2885
2886         * config/arc/arc.h (SYMBOL_FLAG_CMEM): Define.
2887         (TARGET_NPS_CMEM_DEFAULT): Provide default definition.
2888         * config/arc/arc.c (arc_address_cost): Return 0 for cmem_address.
2889         (arc_encode_section_info): Set SYMBOL_FLAG_CMEM where indicated.
2890         * config/arc/arc.opt (mcmem): New option.
2891         * config/arc/arc.md (*extendqihi2_i): Add r/Uex alternative,
2892         supply length for r/m alternative.
2893         (*extendqisi2_ac): Likewise.
2894         (*extendhisi2_i): Add r/Uex alternative, supply length for r/m and
2895         r/Uex alternative.
2896         (movqi_insn): Add r/Ucm and Ucm/?Rac alternatives.
2897         (movhi_insn): Likewise.
2898         (movsi_insn): Add r/Ucm,Ucm/w alternatives.
2899         (*zero_extendqihi2_i): Add r/Ucm alternative.
2900         (*zero_extendqisi2_ac): Likewise.
2901         (*zero_extendhisi2_i): Likewise.
2902         * config/arc/constraints.md (Uex): New memory constraint.
2903         (Ucm): New define_constraint.
2904         * config/arc/predicates.md (long_immediate_loadstore_operand):
2905         Return 0 for MEM with cmem_address address.
2906         (cmem_address_0): New predicates.
2907         (cmem_address_1): Likewise.
2908         (cmem_address_2): Likewise.
2909         (cmem_address): Likewise.
2910
2911 2016-04-28  Segher Boessenkool  <segher@kernel.crashing.org>
2912
2913         * config/rs6000/rs6000.c (machine_function): Rename
2914         insn_chain_scanned_p to spe_insn_chain_scanned_p.
2915         (rs6000_stack_info): Adjust.
2916
2917 2016-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
2918             Andrew Burgess  <andrew.burgess@embecosm.com>
2919
2920         * config/arc/constraints.md (Usd): Convert to define_constraint.
2921         (Us<): Likewise.
2922         (Us>): Likewise.
2923
2924 2016-04-28  Jakub Jelinek  <jakub@redhat.com>
2925
2926         PR target/70821
2927         * config/i386/sync.md (define_peephole2 *atomic_fetch_add_cmp<mode>):
2928         Add new peephole2 where the first insn is *mov<mode>_or instead of
2929         *mov<mode>_internal.
2930
2931 2016-04-28  Segher Boesssenkool  <segher@kernel.crashing.org>
2932
2933         * tracer.c (bb_seen): Make static.
2934
2935 2016-04-28  Andrew Burgess  <andrew.burgess@embecosm.com>
2936
2937         * common/config/arc/arc-common.c (arc_handle_option): Add NPS400
2938         support, setup defaults.
2939         * config/arc/arc-opts.h (enum processor_type): Add NPS400.
2940         * config/arc/arc.c (arc_init): Add NPS400 support.
2941         * config/arc/arc.h (CPP_SPEC): Add NPS400 defines.
2942         (TARGET_ARC700): NPS400 is also an ARC700.
2943         * config/arc/arc.opt: Add NPS400 options to -mcpu=.
2944
2945 2016-04-28  Segher Boessenkool  <segher@kernel.crashing.org>
2946
2947         PR target/70668
2948         * config/nds32/nds32.md (casesi): Don't access the operands array
2949         out of bounds.
2950
2951 2016-04-28  Uros Bizjak  <ubizjak@gmail.com>
2952
2953         * config/i386/i386.md (zeroing peephole2): Use general_reg_operand.
2954         (or $-1,reg peephole2): Ditto.
2955         (strict_low_part zeroing peephole2): Use SWI12 mode iterator.
2956
2957 2016-04-28  Markus Trippelsdorf  <markus@trippelsdorf.de>
2958
2959         * doc/extend.texi (Common Function Attributes) [optimize]:
2960         Discourage use of the optimize attribute.
2961
2962 2016-04-28  Bill Seurer  <seurer@linux.vnet.ibm.com>
2963
2964         * config/rs6000/rs6000-builtin.def (vec_adde): Change vec_adde to a
2965         special case builtin.
2966         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Remove
2967         ALTIVEC_BUILTIN_VEC_ADDE.
2968         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Add
2969         support for ALTIVEC_BUILTIN_VEC_ADDE.
2970         * config/rs6000/rs6000.c (altivec_init_builtins): Add definition
2971         for __builtin_vec_adde.
2972
2973 2016-04-28  Jakub Jelinek  <jakub@redhat.com>
2974
2975         * config/i386/i386.md (sse4_1_round<mode>2): Add avx512f alternative.
2976         * config/i386/sse.md (sse4_1_round<ssescalarmodesuffix>): Likewise.
2977
2978 2016-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2979
2980         PR testsuite/70595
2981         * doc/sourcebuild.texi (Effective-Target Keywords, Other
2982         attributes): Document cilkplus_runtime.
2983
2984 2016-04-28  Martin Jambor  <mjambor@suse.cz>
2985
2986         * tree-cfg.c (verify_expr): Verify that local declarations belong to
2987         this function.  Call verify_expr on MEM_REFs and bases of other
2988         handled_components.
2989
2990 2016-04-28  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2991
2992         * internal-fn.c (expand_arith_overflow): Convert preprocessor check
2993         for WORD_REGISTER_OPERATIONS to runtime check.
2994
2995 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
2996
2997         * config/arc/arc.h (ASM_SPEC): Pass mfpuda to assembler.
2998
2999 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
3000
3001         * config/arc/arc.c (arc_process_double_reg_moves): Fix for
3002         big-endian compilation.
3003         * config/arc/arc.md (addf3): Likewise.
3004         (subdf3): Likewise.
3005         (muldf3): Likewise.
3006
3007 2016-04-28  Richard Biener  <rguenther@suse.de>
3008
3009         PR tree-optimization/70840
3010         * match.pd: powi(-x, y) and powi(|x|,y) -> powi(x,y) if y is even;
3011         Fix pow(copysign(x, y), z) -> pow(x, z) and add powi variant;
3012         Mark x * pow(x,c) -> pow(x,c+1) commutative.
3013         Add powi(x,y) * powi(z,y) -> powi(x*z,y).
3014
3015 2015-04-28  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3016
3017         * config/aarch64/aarch64.h (WORD_REGISTER_OPERATIONS): Define to 0
3018         and explain why in a comment.
3019
3020 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
3021
3022         * config/arc/arc.md (cpu_facility): Add fpx variant.
3023         (subdf3): Prohibit use reverse sub when assist operations option
3024         is enabled.
3025         * config/arc/fpx.md (subdf3_insn, *dsubh_peep2_insn): Allow drsub
3026         instructions only when FPX is enabled.
3027         * testsuite/gcc.target/arc/trsub.c: New test.
3028
3029 2016-04-28  Uros Bizjak  <ubizjak@gmail.com>
3030
3031         * config/i386/i386.md (*fop_<mode>_1_mixed): Do not check for
3032         mult_operator when calculating "type" attribute.
3033         (*fop_<mode>_1_i387): Ditto.
3034         (*fop_xf_1_i387): Ditto.
3035         (x87 stack loads peephole2): Add "reg = op (mem, reg)" peephole2.
3036         Use std::swap to swap operands.  Use RTL expressions to generate
3037         converted pattern.
3038
3039 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
3040             Joern Rennecke  <joern.rennecke@embecosm.com>
3041
3042         * config/arc/arc-protos.h (arc_legitimize_pic_address): Remove
3043         declaration.
3044         (emit_pic_move): Remove.
3045         (arc_eh_uses, insn_is_tls_gd_dispatch): Declare.
3046         * config/arc/arc.c (emit_pic_move): Removed.
3047         (TARGET_HAVE_TLS): Define.
3048         (arc_conditional_register_usage): Test for arc_tp_regno.
3049         (arc_print_operand, arc_print_operand_address): Handle TLS
3050         unspecs.
3051         (arc_needs_pcl_p): New function.
3052         (arc_legitimate_pc_offset_p): Use arc_needs_pcl_p.
3053         (arc_legitimate_pic_addr_p): Handle TLS unspecs.
3054         (arc_raw_symbolic_reference_mentioned_p): Likewise.
3055         (arc_get_tp, arc_emit_call_tls_get_addr): New function.
3056         (arc_legitimize_tls_address): Likewise.
3057         (DTPOFF_ZERO_SYM): Define.
3058         (arc_legitimize_pic_address): Make it static, handle TLS cases.
3059         (arc_output_pic_addr_const): Print TLS unspecs.
3060         (prepare_pic_move): New function, replaces emit_pic_move.
3061         (arc_legitimate_constant_p): Handle TLS unspecs.
3062         (arc_legitimate_address_p): Likewise.
3063         (arc_rewrite_small_data_p): Use assert for TLS constants.
3064         (prepare_move_operands): Use prepare_pic_move.
3065         (arc_legitimize_address): Legitimize tls addresses.
3066         (arc_epilogue_uses): Check for arc_tp_regno.
3067         (arc_eh_uses, insn_is_tls_gd_dispatch): New function.
3068         * config/arc/arc.h [DEFAULT_LIBC != LIBC_UCLIBC] (EXTRA_SPECS):
3069         Define.
3070         [DEFAULT_LIBC != LIBC_UCLIBC] (ARC_TLS_EXTRA_START_SPEC):
3071         Likewise.
3072         [DEFAULT_LIBC != LIBC_UCLIBC] (STARTFILE_SPEC): Add
3073         %(arc_tls_extra_start_spec).
3074         (TARGET_CPU_CPP_BUILTINS): Define __ARC_TLS_REGNO__.
3075         (REGNO_OK_FOR_BASE_P): Check for arc_tp_regno.
3076         (EH_USES): Define.
3077         (INSN_REFERENCES_ARE_DELAYED): Use insn_is_tls_gd_dispatch.
3078         * config/arc/arc.md (UNSPEC_TLS_GD, UNSPEC_TLS_LD, UNSPEC_TLS_IE)
3079         (UNSPEC_TLS_OFF): Add.
3080         (R10_REG): Define.
3081         (tls_load_tp_soft, tls_gd_load, tls_gd_get_addr, tls_gd_dispatch)
3082         (get_thread_pointersi): New patterns.
3083         * config/arc/arc.opt (mtp-regno): New option.
3084         * config/arc/predicates.md (move_src_operand): Handle TLS symbols.
3085         (move_dest_operand): Likewise.
3086         * configure: Regenerate.
3087         * configure.ac: Add arc*-*-* case to test for tls.
3088         * doc/invoke.texi (ARC options): Document mtp-regno.
3089
3090 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
3091
3092         * config/arc/arc.c (arc_vector_mode_supported_p): Add support for
3093         the new ARC HS SIMD instructions.
3094         (arc_preferred_simd_mode): New function.
3095         (arc_autovectorize_vector_sizes): Likewise.
3096         (TARGET_VECTORIZE_PREFERRED_SIMD_MODE)
3097         (TARGET_VECTORIZE_AUTOVECTORIZE_VECTOR_SIZES): Define.
3098         (arc_init_reg_tables): Accept new ARC HS SIMD modes.
3099         (arc_init_builtins): Add new SIMD builtin types.
3100         (arc_split_move): Handle 64 bit vector moves.
3101         * config/arc/arc.h (TARGET_PLUS_DMPY, TARGET_PLUS_MACD)
3102         (TARGET_PLUS_QMACW): Define.
3103         * config/arc/builtins.def (QMACH, QMACHU, QMPYH, QMPYHU, DMACH)
3104         (DMACHU, DMPYH, DMPYHU, DMACWH, DMACWHU, VMAC2H, VMAC2HU, VMPY2H)
3105         (VMPY2HU, VADDSUB2H, VSUBADD2H, VADDSUB, VSUBADD, VADDSUB4H)
3106         (VSUBADD4H): New builtins.
3107         * config/arc/simdext.md: Add new ARC HS SIMD instructions.
3108         * testsuite/gcc.target/arc/builtin_simdarc.c: New file.
3109
3110 2016-04-28  Eduard Sanou  <dhole@openmailbox.org>
3111             Matthias Klose  <doko@debian.org>
3112
3113         * doc/cppenv.texi: Document SOURCE_DATE_EPOCH environment variable.
3114
3115 2016-04-28  Richard Biener  <rguenther@suse.de>
3116
3117         PR middle-end/70777
3118         * fold-const.c (fold_binary_loc): Remove x*x to pow(x,2.0)
3119         canonicalization.
3120
3121 2016-04-28  Oleg Endo  <olegendo@gcc.gnu.org>
3122
3123         * common/config/sh/sh-common.c: Remove SH5 support.
3124         * config/sh/constraints.md: Likewise.
3125         * config/sh/config/sh/elf.h: Likewise.
3126         * config/sh/linux.h: Likewise.
3127         * config/sh/netbsd-elf.h: Likewise.
3128         * config/sh/predicates.md: Likewise.
3129         * config/sh/sh-c.c: Likewise.
3130         * config/sh/sh-protos.h: Likewise.
3131         * config/sh/sh.c: Likewise.
3132         * config/sh/sh.h: Likewise.
3133         * config/sh/sh.md: Likewise.
3134         * config/sh/sh.opt: Likewise.
3135         * config/sh/sync.md: Likewise.
3136         * config/sh/sh64.h: Delete.
3137         * config/sh/shmedia.h: Likewise.
3138         * config/sh/shmedia.md: Likewise.
3139         * config/sh/sshmedia.h: Likewise.
3140         * config/sh/t-netbsd-sh5-64: Likewise.
3141         * config/sh/t-sh64: Likewise.
3142         * config/sh/ushmedia.h: Likewise.
3143
3144 2016-04-28  Uros Bizjak  <ubizjak@gmail.com>
3145
3146         * config/i386/i386.md (sign_extend to memory peephole2s): Use
3147         general_reg_operand instead of register_operand predicate.
3148
3149 2016-04-27  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
3150
3151         * params.def (MIN_PARTITION_SIZE): Set default value to 10000.
3152
3153 2016-04-27  Marc Glisse  <marc.glisse@inria.fr>
3154
3155         * match.pd (A - B > A, A + B < A): New transformations.
3156
3157 2016-04-27  Patrick Palka  <ppalka@gcc.gnu.org>
3158
3159         * genattrtab.c (write_test_expr): New parameter EMIT_PARENS
3160         which defaults to true.  Emit an outer pair of parentheses only if
3161         EMIT_PARENS.  When continuing a chain of && or || (or & or |),
3162         don't emit parentheses for the right-hand operand.
3163
3164 2016-04-27  Jeff Law  <law@redhat.com>
3165
3166         * tree-ssa-dom.c (record_temporary_equivalences): Fix typo in comment.
3167
3168 2016-04-27  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3169
3170         * config/rs6000/altivec.md (altivec_lvx_<mode>): Remove.
3171         (altivec_lvx_<mode>_internal): Document.
3172         (altivec_lvx_<mode>_2op): New define_insn.
3173         (altivec_lvx_<mode>_1op): Likewise.
3174         (altivec_lvx_<mode>_2op_si): Likewise.
3175         (altivec_lvx_<mode>_1op_si): Likewise.
3176         (altivec_stvx_<mode>): Remove.
3177         (altivec_stvx_<mode>_internal): Document.
3178         (altivec_stvx_<mode>_2op): New define_insn.
3179         (altivec_stvx_<mode>_1op): Likewise.
3180         (altivec_stvx_<mode>_2op_si): Likewise.
3181         (altivec_stvx_<mode>_1op_si): Likewise.
3182         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
3183         Expand vec_ld and vec_st during parsing.
3184         * config/rs6000/rs6000.c (altivec_expand_lvx_be): Commentary
3185         changes.
3186         (altivec_expand_stvx_be): Likewise.
3187         (altivec_expand_lv_builtin): Expand lvx built-ins to expose the
3188         address-masking behavior in RTL.
3189         (altivec_expand_stv_builtin): Expand stvx built-ins to expose the
3190         address-masking behavior in RTL.
3191         (altivec_expand_builtin): Change builtin code arguments for calls
3192         to altivec_expand_stv_builtin and altivec_expand_lv_builtin.
3193         (insn_is_swappable_p): Avoid incorrect swap optimization in the
3194         presence of lvx/stvx patterns.
3195         (alignment_with_canonical_addr): New function.
3196         (alignment_mask): Likewise.
3197         (find_alignment_op): Likewise.
3198         (recombine_lvx_pattern): Likewise.
3199         (recombine_stvx_pattern): Likewise.
3200         (recombine_lvx_stvx_patterns): Likewise.
3201         (rs6000_analyze_swaps): Perform a pre-pass to recognize lvx and
3202         stvx patterns from expand.
3203         * config/rs6000/vector.md (vector_altivec_load_<mode>): Use new
3204         expansions.
3205         (vector_altivec_store_<mode>): Likewise.
3206
3207 2016-04-26  Evandro Menezes  <e.menezes@samsung.com>
3208
3209         * config/aarch64/aarch64.md
3210         (*movhf_aarch64): Add "movi %0, #0" to zero up register and
3211         remove the "fp" attributes.
3212         (*movsf_aarch64): Add "movi %0, #0" to zero up register and
3213         add the "simd" attributes.
3214         (*movdf_aarch64): Likewise.
3215         (*movtf_aarch64): Remove the "fp" attributes.
3216         * testsuite/gcc.target/aarch64/fmovf-zero-reg.c: Update accordingly.
3217         * testsuite/gcc.target/aarch64/fmovd-zero-reg.c: Likewise.
3218
3219 2016-04-27  David Malcolm  <dmalcolm@redhat.com>
3220
3221         * emit-rtl.c (maybe_set_first_label_num): Strengthen param from
3222         rtx to rtx_code_label *.
3223         * rtl.h (maybe_set_first_label_num): Likewise.
3224
3225 2016-04-27  David Malcolm  <dmalcolm@redhat.com>
3226
3227         * df-core.c (df_add_problem): Make the problem param be const.
3228         (df_remove_problem): Make local "problem" be const.
3229         * df-problems.c (problem_RD): Make const.
3230         (problem_LR): Likewise.
3231         (problem_LIVE): Likewise.
3232         (problem_MIR): Likewise.
3233         (problem_CHAIN): Likewise.
3234         (problem_WORD_LR): Likewise.
3235         (problem_NOTE): Likewise.
3236         (problem_MD): Likewise.
3237         * df-scan.c (problem_SCAN): Likewise.
3238         * df.h (struct df_problem): Make field "dependent_problem" be
3239         const.
3240         (struct dataflow): Likewise for field "problem".
3241         (df_add_problem): Make param const.
3242
3243 2016-04-27  Uros Bizjak  <ubizjak@gmail.com>
3244
3245         * config/i386/i386.c (ix86_spill_class): Enable for TARGET_SSE2 when
3246         inter-unit moves to/from vector registers are enabled.  Do not disable
3247         for TARGET_MMX.
3248
3249 2016-04-27  David Malcolm  <dmalcolm@redhat.com>
3250
3251         * df.h (DF_SCAN, DF_LR, DF_LIVE, DF_RD, DF_CHAIN, DF_WORD_LR,
3252         DF_NOTE, DF_MD, DF_MIR, DF_LAST_PROBLEM_PLUS1): Convert from
3253         #define to...
3254         (enum df_problem_id): ...this new enum.
3255         (struct df_problem): Convert field "id" from "int" to
3256         enum df_problem_id.
3257
3258 2016-04-27  David Malcolm  <dmalcolm@redhat.com>
3259
3260         * rtl.def: Update comment for "things in the instruction chain" to
3261         reflect the removal of the leading "i" field for INSN_UID in
3262         r210360.  Fix bogus apostrophe.
3263
3264 2016-04-27  Uros Bizjak  <ubizjak@gmail.com>
3265
3266         * config/i386/i386.md
3267         (lea arith with mem operand + setcc peephole2): Set operator mode.
3268
3269 2016-04-27  H.J. Lu  <hongjiu.lu@intel.com>
3270
3271         PR target/70155
3272         * config/i386/i386.c (scalar_to_vector_candidate_p): Renamed to ...
3273         (dimode_scalar_to_vector_candidate_p): This.
3274         (timode_scalar_to_vector_candidate_p): New function.
3275         (scalar_to_vector_candidate_p): Likewise.
3276         (timode_check_non_convertible_regs): Likewise.
3277         (timode_remove_non_convertible_regs): Likewise.
3278         (remove_non_convertible_regs): Likewise.
3279         (remove_non_convertible_regs): Renamed to ...
3280         (dimode_remove_non_convertible_regs): This.
3281         (scalar_chain::~scalar_chain): Make it virtual.
3282         (scalar_chain::compute_convert_gain): Make it pure virtual.
3283         (scalar_chain::mark_dual_mode_def): Likewise.
3284         (scalar_chain::convert_insn): Likewise.
3285         (scalar_chain::convert_registers): Likewise.
3286         (scalar_chain::add_to_queue): Make it protected.
3287         (scalar_chain::emit_conversion_insns): Likewise.
3288         (scalar_chain::replace_with_subreg): Likewise.
3289         (scalar_chain::replace_with_subreg_in_insn): Likewise.
3290         (scalar_chain::convert_op): Likewise.
3291         (scalar_chain::convert_reg): Likewise.
3292         (scalar_chain::make_vector_copies): Likewise.
3293         (scalar_chain::convert_registers): New pure virtual function.
3294         (class dimode_scalar_chain): New class.
3295         (class timode_scalar_chain): Likewise.
3296         (scalar_chain::mark_dual_mode_def): Renamed to ...
3297         (dimode_scalar_chain::mark_dual_mode_def): This.
3298         (timode_scalar_chain::mark_dual_mode_def): New function.
3299         (timode_scalar_chain::convert_insn): Likewise.
3300         (dimode_scalar_chain::convert_registers): Likewise.
3301         (scalar_chain::compute_convert_gain): Renamed to ...
3302         (dimode_scalar_chain::compute_convert_gain): This.
3303         (scalar_chain::replace_with_subreg): Renamed to ...
3304         (dimode_scalar_chain::replace_with_subreg): This.
3305         (scalar_chain::replace_with_subreg_in_insn): Renamed to ...
3306         (dimode_scalar_chain::replace_with_subreg_in_insn): This.
3307         (scalar_chain::make_vector_copies): Renamed to ...
3308         (dimode_scalar_chain::make_vector_copies): This.
3309         (scalar_chain::convert_reg): Renamed to ...
3310         (dimode_scalar_chain::convert_reg ): This.
3311         (scalar_chain::convert_op): Renamed to ...
3312         (dimode_scalar_chain::convert_op): This.
3313         (scalar_chain::convert_insn): Renamed to ...
3314         (dimode_scalar_chain::convert_insn): This.
3315         (scalar_chain::convert): Call convert_registers.
3316         (convert_scalars_to_vector): Change to scalar_chain pointer to
3317         use timode_scalar_chain in 64-bit mode and dimode_scalar_chain
3318         in 32-bit mode.  Delete scalar_chain pointer.  Call
3319         free_dominance_info in 64-bit mode.
3320         (pass_stv::gate): Remove TARGET_64BIT check.
3321         (ix86_option_override): Put the 64-bit STV pass before the CSE
3322         pass.
3323
3324 2016-04-27  Pierre-Marie de Rodat  <derodat@adacore.com>
3325
3326         * dwarf2out.h (struct dw_loc_descr_node): Remove the
3327         dw_loc_frame_offset field.
3328         * dwarf2out.c (new_loc_descr): Likewise.
3329         (resolve_args_picking_1): Turn the VISITED hash set into a
3330         FRAME_OFFSET hash map. Use it to associate a frame offset to
3331         visited nodes. Remove uses of the CHECKING_P macro.
3332         (resolve_args_picking): Update call to resolve_args_picking_1.
3333
3334 2016-04-27  Martin Liska  <mliska@suse.cz>
3335
3336         * tree-ssa-loop-ivopts.c (iv_ca_dump): Fix level of indentation.
3337         (free_loop_data): Release vuses of groups.
3338
3339 2016-04-27  Bin Cheng  <bin.cheng@arm.com>
3340
3341         * tree-ssa-loop-ivopts.c (struct iv): Use pointer to struct iv_use
3342         instead of redundant use_id and boolean have_use_for.
3343         (struct iv_use): Change sub_id into group_id.  Remove field next.
3344         Move fields: related_cands, n_map_members, cost_map and selected
3345         to ...
3346         (struct iv_group): ... here.  New structure.
3347         (struct iv_common_cand): Use structure declaration directly.
3348         (struct ivopts_data, iv_ca, iv_ca_delta): Rename fields.
3349         (MAX_CONSIDERED_USES): Rename macro to ...
3350         (MAX_CONSIDERED_GROUPS): ... here.
3351         (n_iv_uses, iv_use, n_iv_cands, iv_cand): Delete.
3352         (dump_iv, dump_use, dump_cand): Refactor format of dump information.
3353         (dump_uses): Rename to ...
3354         (dump_groups): ... here.  Update all uses.
3355         (tree_ssa_iv_optimize_init, alloc_iv): Update all uses.
3356         (find_induction_variables): Refactor format of dump information.
3357         (record_sub_use): Delete.
3358         (record_use): Update all uses.
3359         (record_group): New function.
3360         (record_group_use, find_interesting_uses_op): Call above functions.
3361         Update all uses.
3362         (find_interesting_uses_cond): Ditto.
3363         (group_compare_offset): New function.
3364         (split_all_small_groups): Rename to ...
3365         (split_small_address_groups_p): ... here.  Update all uses.
3366         (split_address_groups):  Update all uses.
3367         (find_interesting_uses): Refactor format of dump information.
3368         (add_candidate_1): Update all uses.  Remove redundant check on iv,
3369         base and step.
3370         (add_candidate, record_common_cand): Remove redundant assert.
3371         (add_iv_candidate_for_biv): Update use.
3372         (add_iv_candidate_derived_from_uses): Update all uses.
3373         (add_iv_candidate_for_groups, record_important_candidates): Ditto.
3374         (alloc_use_cost_map): Ditto.
3375         (set_use_iv_cost, get_use_iv_cost): Rename to ...
3376         (set_group_iv_cost, get_group_iv_cost): ... here.  Update all uses.
3377         (determine_use_iv_cost_generic): Ditto.
3378         (determine_group_iv_cost_generic): Ditto.
3379         (determine_use_iv_cost_address): Ditto.
3380         (determine_group_iv_cost_address): Ditto.
3381         (determine_use_iv_cost_condition): Ditto.
3382         (determine_group_iv_cost_cond): Ditto.
3383         (determine_use_iv_cost): Ditto.
3384         (determine_group_iv_cost): Ditto.
3385         (set_autoinc_for_original_candidates): Update all uses.
3386         (find_iv_candidates): Update all uses.  Refactor dump information.
3387         (determine_use_iv_costs): Ditto.
3388         (determine_iv_costs): Ditto.
3389         (iv_ca_cand_for_use): Rename to ...
3390         (iv_ca_cand_for_group): ... here.  Update all uses.
3391         (iv_ca_add_use, iv_ca_add_group): Ditto.
3392         (iv_ca_set_cp, iv_ca_cost, iv_ca_delta_add): Update all uses.
3393         (iv_ca_delta_join, iv_ca_delta_reverse, iv_ca_delta_free): Ditto.
3394         (iv_ca_new, iv_ca_dump, iv_ca_extend, iv_ca_narrow): Ditto.
3395         (iv_ca_prune, cheaper_cost_with_cand, iv_ca_replace): Ditto.
3396         (try_add_cand_for, try_improve_iv_set, find_optimal_iv_set): Ditto.
3397         (create_new_iv, adjust_iv_update_pos): Ditto.
3398         (rewrite_use_address): Delete.
3399         (rewrite_use_address_1): Rename to ...
3400         (rewrite_use_address): ... here.
3401         (rewrite_use_compare): Update all uses.
3402         (rewrite_use): Delete.
3403         (rewrite_uses): Rename to ...
3404         (rewrite_groups): ... here.  Update all uses.
3405         (remove_unused_ivs, free_loop_data): Update all uses.
3406         (tree_ssa_iv_optimize_finalize, tree_ssa_iv_optimize_loop): Ditto.
3407
3408 2016-04-27  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3409
3410         * rtlanal.c (nonzero_bits1): Convert preprocessor check
3411         for WORD_REGISTER_OPERATIONS to runtime check.
3412
3413 2016-04-27  Richard Biener  <rguenther@suse.de>
3414
3415         PR ipa/70760
3416         * tree-ssa-structalias.c (find_func_aliases_for_call): Use
3417         aggregate_value_p to determine if a function result is
3418         returned by reference.
3419         (ipa_pta_execute): Functions having their address taken are
3420         not automatically nonlocal.
3421
3422 2016-04-27  Jakub Jelinek  <jakub@redhat.com>
3423
3424         PR sanitizer/70683
3425         * tree-core.h (enum operand_equal_flag): Add OEP_NO_HASH_CHECK.
3426         * fold-const.c (operand_equal_p): If flag_checking and
3427         OEP_NO_HASH_CHECK is not set in flag, recurse with OEP_NO_HASH_CHECK
3428         and if it returns non-zero, assert iterative_hash_expr on both
3429         args is the same.
3430
3431 2016-04-27  Bernd Schmidt  <bschmidt@redhat.com>
3432
3433         * doc/invoke.texi (-frename-registers): Also enabled at -Os.
3434
3435 2016-04-27  Nick Clifton  <nickc@redhat.com>
3436
3437         PR middle-end/49889
3438         * varasm.c (merge_weak): Generate an error if an attempt is made
3439         to convert a non-weak static function into a weak, public function.
3440
3441 2016-04-27  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
3442
3443         * params.def (MAX_PARTITION_SIZE): New param.
3444         * doc/invoke.texi: Document lto-max-partition.
3445
3446 2016-04-27  Richard Biener  <rguenther@suse.de>
3447
3448         PR ipa/70785
3449         * tree-ssa-structalias.c (refered_from_nonlocal_fn): New
3450         function cummulating used_from_other_partition, externally_visible
3451         and force_output from aliases.
3452         (refered_from_nonlocal_var): Likewise.
3453         (ipa_pta_execute): Use call_for_symbol_and_aliases to cummulate
3454         node flags properly.
3455
3456 2016-04-27  Bernd Schmidt  <bschmidt@redhat.com>
3457
3458         * doc/invoke.texi (Warning Options): Add -Wmemset-elt-size.
3459         (-Wmemset-elt-size): New item.
3460
3461 2016-04-27  Eric Botcazou  <ebotcazou@adacore.com>
3462
3463         PR ada/70759
3464         * stor-layout.h (internal_reference_types): Delete.
3465         * stor-layout.c (reference_types_internal): Likewise.
3466         (internal_reference_types): Likewise.
3467         (layout_type) <REFERENCE_TYPE>: Adjust.
3468
3469 2016-04-27  Jakub Jelinek  <jakub@redhat.com>
3470
3471         PR sanitizer/70683
3472         * tree.h (inchash::add_expr): Add FLAGS argument.
3473         * tree.c (inchash::add_expr): Likewise.  If not OEP_ADDRESS_OF,
3474         use STRIP_NOPS first.  For INTEGER_CST assert not OEP_ADDRESS_OF.
3475         For REAL_CST and !HONOR_SIGNED_ZEROS (t) hash +/- 0 the same.
3476         Formatting fix.  Adjust recursive calls.  For tcc_comparison,
3477         if swap_tree_comparison (code) is smaller than code, hash that
3478         and arguments in the other order.  Hash CONVERT_EXPR the same
3479         as NOP_EXPR.  For OEP_ADDRESS_OF hash MEM_REF with 0 offset
3480         of ADDR_EXPR of decl as the decl itself.  Add or remove
3481         OEP_ADDRESS_OF from recursive flags as needed.  For
3482         FMA_EXPR, WIDEN_MULT_{PLUS,MINUS}_EXPR hash the first two
3483         operands commutatively and only the third one normally.
3484         For internal CALL_EXPR hash in CALL_EXPR_IFN.
3485
3486 2016-04-27  Sebastian Huber  <sebastian.huber@embedded-brains.de>
3487
3488         * config/rtems.h (LIB_SPEC): Add -latomic.
3489
3490 2016-04-27  Joel Sherrill  <joel@rtems.org>
3491
3492         * config/microblaze/rtems.h: Redefine LINK_SPEC to avoid
3493         xilink.ld and flags not relevant to RTEMS.
3494
3495 2016-04-26  Zhouyi Zhou  <yizhouzhou@ict.ac.cn>
3496
3497         * toplev.c (backend_init_target): Avoid calling init_reload when using
3498         LRA.
3499
3500 2016-04-26  Jakub Jelinek  <jakub@redhat.com>
3501
3502         * reorg.c (try_merge_delay_insns): Declare i and j inside the
3503         for loops rather than one for the whole function.
3504
3505 2016-04-26  Marc Glisse  <marc.glisse@inria.fr>
3506
3507         * match.pd (X + CST CMP X): New transformation.
3508
3509 2016-04-26  Marc Glisse  <marc.glisse@inria.fr>
3510
3511         * genmatch.c (write_predicate): Add ATTRIBUTE_UNUSED.
3512         * fold-const.c (fold_binary_loc): Remove 2 transformations
3513         superseded by match.pd.
3514         * match.pd (x+x -> x*2): Generalize to integers.
3515
3516 2016-04-26  Bernd Schmidt  <bschmidt@redhat.com>
3517
3518         * config/i386/i386.md (operation on memory peephole): Duplicate an
3519         existing peephole and adapt it to match lea rather than an operation
3520         that clobbers CC.
3521
3522         PR rtl-optimization/57193
3523         * opts.c (default_options_table): Add OPT_frename_registers at -O2
3524         and above.
3525         * doc/invoke.texi (-frename-registers, -O2): Update documentation.
3526
3527 2016-04-26  Bin Cheng  <bin.cheng@arm.com>
3528
3529         * tree-if-conv.c (any_pred_load_store): New static variable.
3530         (if_convertible_gimple_assign_stmt_p): Remove parameter.  Use
3531         any_pred_load_store instead of and_mask_load_store.
3532         (if_convertible_stmt_p, if_convertible_loop_p_1): Ditto.
3533         (if_convertible_loop_p, insert_gimplified_predicates): Ditto.
3534         (combine_blocks, tree_if_conversion): Ditto.
3535
3536 2016-04-26  Bin Cheng  <bin.cheng@arm.com>
3537
3538         PR tree-optimization/70771
3539         PR tree-optimization/70775
3540         * tree-if-conv.c (if_convertible_phi_p): Remove check on special
3541         virtual PHI nodes.  Delete parameter.
3542         (if_convertible_loop_p_1): Delete argument to above function.
3543         (predicate_all_scalar_phis): Delete code handling single-argument
3544         PHIs.
3545         (tree_if_conversion): Mark and update virtual SSA.
3546
3547 2016-04-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3548
3549         PR target/61821
3550         * config/i386/i386.c (LARGECOMM_SECTION_ASM_OP): Define default.
3551         (x86_elf_aligned_common): Rename to ...
3552         (x86_elf_aligned_decl_common): ... this.
3553         Add decl arg.  Switch to .lbss for largecomm object.  Use
3554         LARGECOMM_SECTION_ASM_OP.
3555         * config/i386/i386-protos.h (x86_elf_aligned_common): Reflect
3556         renaming.
3557         * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_COMMON): Rename to ...
3558         (ASM_OUTPUT_ALIGNED_DECL_COMMON): ... this.
3559         Pass new decl arg.
3560         * config/i386/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
3561         [!USE_GAS] (LARGECOMM_SECTION_ASM_OP): Define.
3562
3563 2016-04-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3564
3565         PR target/59407
3566         * config/i386/i386.c (SECTION_LARGE): Define.
3567         (x86_64_elf_select_section): Set it for large data/bss sections.
3568         Only clear SECTION_WRITE for .lrodata.
3569         (x86_64_elf_section_type_flags): Set SECTION_LARGE for large
3570         data/bss sections.
3571         * config/i386/sol2.h (MACH_DEP_SECTION_ASM_FLAG): Define.
3572         * varasm.c (default_elf_asm_named_section): Grow flagchars.
3573         [MACH_DEP_SECTION_ASM_FLAG] Emit MACH_DEP_SECTION_ASM_FLAG for
3574         SECTION_MACH_DEP.
3575         * doc/tm.texi.in (Sections, MACH_DEP_SECTION_ASM_FLAG): Describe.
3576         * doc/tm.texi: Regenerate.
3577
3578 2016-04-26  Jakub Jelinek  <jakub@redhat.com>
3579
3580         PR bootstrap/70704
3581         * configure.ac (--enable-checking): Document extra flag, for
3582         non-release builds default to --enable-checking=yes,extra.
3583         If misc checking and extra checking, define CHECKING_P to 2 instead
3584         of 1.
3585         * common.opt (fchecking=): Add.
3586         * doc/invoke.texi (-fchecking=): Document.
3587         * doc/install.texi: Document --enable-checking changes.
3588         * configure: Regenerated.
3589         * config.in: Regenerated.
3590
3591 2016-04-25  Uros Bizjak  <ubizjak@gmail.com>
3592
3593         * config/i386/i386.md (*movxi_internal_avx512f): Use insn type
3594         attribute instead of which_alternative.
3595         * config/i386/sse.md (*mov<mode>_internal): Ditto.
3596         Use EXT_REX_SSE_REG_P where appropriate.
3597
3598 2016-04-25  Uros Bizjak  <ubizjak@gmail.com>
3599
3600         * config/i386/predicates.md (const0_operand): Do not match
3601         const_wide_int code.
3602         (const1_operand): Ditto.
3603
3604 2016-04-25  Uros Bizjak  <ubizjak@gmail.com>
3605
3606         * config/i386/i386.md (*movoi_internal_avx): Set mode attribute to XI
3607         for SSE constm1 operands and TARGET_AVX512VL.
3608         (*movti_internal): Ditto.
3609         (*mov<mode>_or): Use constm1_operand predicate.
3610         * config/i386/sse.md (*mov<mode>_internal): Set mode attribute to XI
3611         for SSE vector_all_ones operands and TARGET_AVX512VL.
3612         * config/i386/predicates.md (constm1_operand): New predicate.
3613         * config/i386/i386.c (standard_sse_constant_opcode): Simplify
3614         emission of constant -1 load.
3615
3616 2016-04-25  Jason Merrill  <jason@redhat.com>
3617
3618         * gdbinit.in: Skip is-a.h.
3619
3620         * attribs.c (register_scoped_attributes): Fix logic.
3621         * attribs.h: Declare register_scoped_attributes.
3622
3623 2016-04-25  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3624
3625         * config/rs6000/rs6000-builtin.def: Correct pasto error for
3626         stxvd2x and stxvw4x built-in functions.
3627
3628 2016-04-25  DJ Delorie  <dj@redhat.com>
3629
3630         * config/msp430/msp430.md (ashlhi3): Optimize one bit shifts.
3631         (ashrhi3): Likewise.
3632         (lshrhi3): Likewise.
3633
3634 2016-04-25  Richard Biener  <rguenther@suse.de>
3635
3636         PR tree-optimization/70780
3637         * tree-ssa-pre.c (compute_antic_aux): Also return true if the block
3638         wasn't visited yet.
3639         (compute_antic): Mark blocks with abnormal preds as visited as
3640         they have a final empty antic-in solution already.
3641
3642 2016-04-25  Michael Collison  <michael.collison@linaro.org>
3643
3644         * ChangeLog(2016-04-25): Fix ChangeLog formatting.
3645
3646 2016-04-25  Michael Collison  <michael.collison@linaro.org>
3647
3648         * config/arm/neon.md (widen_<us>sum<mode>): New patterns where
3649         mode is VQI to improve mixed mode vectorization.
3650         * config/arm/neon.md (vec_sel_widen_ssum_lo<VQI:mode><VW:mode>3): New
3651         define_insn to match low half of signed vaddw.
3652         * config/arm/neon.md (vec_sel_widen_ssum_hi<VQI:mode><VW:mode>3): New
3653         define_insn to match high half of signed vaddw.
3654         * config/arm/neon.md (vec_sel_widen_usum_lo<VQI:mode><VW:mode>3): New
3655         define_insn to match low half of unsigned vaddw.
3656         * config/arm/neon.md (vec_sel_widen_usum_hi<VQI:mode><VW:mode>3): New
3657         define_insn to match high half of unsigned vaddw.
3658         * config/arm/arm.c (arm_simd_vect_par_cnst_half): New function.
3659         (arm_simd_check_vect_par_cnst_half_p): Likewise.
3660         * config/arm/arm-protos.h (arm_simd_vect_par_cnst_half): Prototype
3661         for new function.
3662         (arm_simd_check_vect_par_cnst_half_p): Likewise.
3663         * config/arm/predicates.md (vect_par_constant_high): Support
3664         big endian and simplify by calling
3665         arm_simd_check_vect_par_cnst_half
3666         (vect_par_constant_low): Likewise.
3667
3668 2016-04-25  Uros Bizjak  <ubizjak@gmail.com>
3669
3670         * config/i386/i386.md (*lea<mode>_general_4): Use const_0_to_3_operand
3671         predicate for operand 2.
3672
3673 2016-04-24  Uros Bizjak  <ubizjak@gmail.com>
3674             H.J. Lu  <hongjiu.lu@intel.com>
3675
3676         * config/i386/i386-protos.h (standard_sse_constant_p): Add
3677         machine_mode argument.
3678         * config/i386/i386.c (standard_sse_constant_p): Return 2 for
3679         constm1_rtx operands.  For VOIDmode constants, get mode from
3680         pred_mode.  Check mode size if the mode is supported by ABI.
3681         (standard_sse_constant_opcode): Do not use standard_constant_p.
3682         Strictly check ABI support for all-ones operands.
3683         (ix86_legitimate_constant_p): Handle TImode, OImode and XImode
3684         immediates. Update calls to standard_sse_constant_p.
3685         (ix86_expand_vector_move): Update calls to standard_sse_constant_p.
3686         (ix86_rtx_costs): Ditto.
3687         * config/i386/i386.md (*movxi_internal_avx512f): Use
3688         nonimmediate_or_sse_const_operand instead of vector_move_operand.
3689         Use (v,BC) alternative instead of (v,C). Use register_operand
3690         checks instead of MEM_P.
3691         (*movoi_internal_avx): Use nonimmediate_or_sse_const_operand instead
3692         of vector_move_operand.  Add (v,BC) alternative and corresponding avx2
3693         isa attribute.  Use register_operand checks instead of MEM_P.
3694         (*movti_internal): Use nonimmediate_or_sse_const_operand for
3695         TARGET_SSE.  Improve TARGET_SSE insn constraint.  Add (v,BC)
3696         alternative and corresponding sse2 isa attribute.
3697         (*movtf_internal, *movdf_internal, *movsf_interal): Update calls
3698         to standard_sse_constant_p.
3699         (FP constant splitters): Ditto.
3700         * config/i386/constraints.md (BC): Do not use standard_sse_constant_p.
3701         (C): Ditto.
3702         * config/i386/predicates.md (constm1_operand): Remove.
3703         (nonimmediate_or_sse_const_operand): Rewrite using RTX.
3704         * config/i386/sse.md (*<avx512>_cvtmask2<ssemodesuffix><mode>): Use
3705         vector_all_ones_operand instead of constm1_operand.
3706
3707 2016-04-24  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
3708
3709         * print-rtl.c (print_rtx_insn_vec): New function.
3710         * print-rtl.h: New prototype.
3711         * store-motion.c (struct st_expr): Make avail_stores a vector.
3712         (st_expr_entry): Adjust.
3713         (free_st_expr_entry): Likewise.
3714         (print_store_motion_mems): Likewise.
3715         (find_moveable_store): Likewise.
3716         (compute_store_table): Likewise.
3717         (delete_store): Likewise.
3718         (build_store_vectors): Likewise.
3719
3720 2016-04-24  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
3721
3722         * reorg.c (try_merge_delay_insns): Make merged_insns a vector.
3723
3724 2016-04-24  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
3725
3726         * vec.h (vec_safe_contains): New function.
3727         (vec::contains): Likewise.
3728         (vec::begin): Likewise.
3729         (vec::end): Likewise.
3730
3731 2016-04-23  Jakub Jelinek  <jakub@redhat.com>
3732
3733         PR sanitizer/70712
3734         * cfgexpand.c (expand_stack_vars): Fix typo.
3735
3736 2016-04-22  Szabolcs Nagy  <szabolcs.nagy@arm.com>
3737
3738         * system.h (list, map, set, vector): Include conditionally.
3739         * auto-profile.c (INCLUDE_MAP, INCLUDE_SET): Define.
3740         * graphite-isl-ast-to-gimple.c (INCLUDE_MAP): Define.
3741         * ipa-icf.c (INCLUDE_LIST): Define.
3742         * config/aarch64/cortex-a57-fma-steering.c (INCLUDE_LIST): Define.
3743         * config/sh/sh.c (INCLUDE_VECTOR): Define.
3744         * config/sh/sh_treg_combine.cc (INCLUDE_ALGORITHM): Define.
3745         (INCLUDE_LIST, INCLUDE_VECTOR): Define.
3746         * cp/logic.cc (INCLUDE_LIST): Define.
3747         * fortran/trans-common.c (INCLUDE_MAP): Define.
3748
3749 2016-04-22  Szabolcs Nagy  <szabolcs.nagy@arm.com>
3750
3751         * auto-profile.c: Remove <string.h> include.
3752         * ipa-icf-gimple.c: Remove <list> include.
3753         * diagnostic.c: Remove <new> include.
3754         * genmatch.c: Likewise.
3755         * pretty-print.c: Likewise.
3756         * toplev.c: Likewise
3757         * c/c-objc-common.c: Likewise.
3758         * cp/error.c: Likewise.
3759         * fortran/error.c: Likewise.
3760
3761 2016-04-22  Richard Biener  <rguenther@suse.de>
3762
3763         * lto-streamer-in.c (input_ssa_names): Do not allocate
3764         GIMPLE_NOP for all SSA names.
3765         * lto-streamer-out.c (output_ssa_names): Do not output
3766         SSA names that should have been released.
3767
3768 2016-04-22  Richard Biener  <rguenther@suse.de>
3769
3770         PR tree-optimization/70740
3771         * tree-ssa-phiprop.c (propagate_with_phi): Handle inserted
3772         VDEF.
3773
3774 2016-04-21  H.J. Lu  <hongjiu.lu@intel.com>
3775
3776         PR target/70750
3777         * config/i386/predicates.md (call_insn_operand): Replace
3778         sibcall_memory_operand with memory_operand.
3779
3780 2016-04-21  Patrick Palka  <ppalka@gcc.gnu.org>
3781
3782         * tree-vrp.c (register_edge_assert_for_2): Remove redundant
3783         has_single_use() tests.
3784         (register_edge_assert_for_1): Likewise.
3785         (find_assert_locations_1): Check the liveness bitmap instead of
3786         checking has_single_use().
3787
3788 2016-04-21  Kirill Yukhin  <kirill.yukhin@intel.com>
3789
3790         PR target/70728
3791         * gcc/config/i386/sse.md (define_insn "<shift_insn><mode>3<mask_name>"):
3792         Extract AVX-512BW constraint from AVX.
3793
3794 2016-04-21  Richard Biener  <rguenther@suse.de>
3795
3796         PR tree-optimization/70725
3797         * tree-if-conv.c (if_convertible_phi_p): Adjust guard
3798         for phi_convertible_by_degenerating_args.
3799         (predicate_all_scalar_phis): Handle single-argument PHIs.
3800
3801 2016-04-21  Richard Biener  <rguenther@suse.de>
3802
3803         PR middle-end/70747
3804         * fold-const.c (fold_comparison): Return properly typed
3805         constant boolean.
3806
3807 2016-04-21  Bin Cheng  <bin.cheng@arm.com>
3808
3809         PR tree-optimization/70715
3810         * tree-ssa-loop-niter.c (loop_exits_before_overflow): Check equality
3811         after expanding BASE using expand_simple_operations.
3812
3813 2016-04-21  Marc Glisse  <marc.glisse@inria.fr>
3814
3815         * match.pd (min(-x, -y), max(-x, -y), min(~x, ~y), max(~x, ~y)):
3816         New transformations.
3817
3818 2016-04-21  Marc Glisse  <marc.glisse@inria.fr>
3819
3820         * match.pd (min(int_max, x), max(int_min, x)): New transformations.
3821
3822 2016-04-20  Jan Hubicka  <jh@suse.cz>
3823
3824         * ipa-inline.c (can_inline_edge_p): Pass caller info to
3825         ultiimate_alias_target.
3826         (update_callee_keys): Likewise.
3827         (lookup_recursive_calls): Likewise.
3828         (speculation_useful_p): Likewise.
3829
3830 2016-04-20  Jan Hubicka  <jh@suse.cz>
3831
3832         PR ipa/70018
3833         * cgraph.c (cgraph_set_nothrow_flag_1): Rename to ...
3834         (set_nothrow_flag_1): ... this; handle interposition correctly;
3835         recurse on aliases and thunks.
3836         (cgraph_node::set_nothrow_flag): New.
3837         * ipa-pure-const.c (ignore_edge_for_nothrow): Ignore calls to
3838         functions compiled with non-call exceptions that binds to current
3839         def.
3840         (propagate_nothrow): Be safe WRT interposition.
3841         * cgraph.h (set_nothrow_flag): Update prototype.
3842
3843 2016-04-18  Jan Hubicka  <jh@suse.cz>
3844
3845         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
3846         max_loop_iterations_int.
3847         (tree_unswitch_outer_loop): Likewise.
3848
3849 2016-04-20  Bin Cheng  <bin.cheng@arm.com>
3850
3851         PR tree-optimization/69489
3852         * tree-if-conv.c (phi_convertible_by_degenerating_args): New.
3853         (if_convertible_phi_p): Call phi_convertible_by_degenerating_args.
3854         Revise dump message.
3855         (if_convertible_bb_p): Remove check on edge count of basic block's
3856         predecessors.
3857
3858 2016-04-20  Bin Cheng  <bin.cheng@arm.com>
3859
3860         PR tree-optimization/56625
3861         PR tree-optimization/69489
3862         * tree-data-ref.h (DR_INNERMOST): New macro.
3863         * tree-if-conv.c (innermost_loop_behavior_hash): New class for
3864         hashing struct innermost_loop_behavior.
3865         (ref_DR_map): Remove.
3866         (innermost_DR_map): New map.
3867         (baseref_DR_map): Revise comment.
3868         (hash_memrefs_baserefs_and_store_DRs_read_written_info): Store DR
3869         to innermost_DR_map accroding to its innermost loop behavior.
3870         (ifcvt_memrefs_wont_trap): Get DR from innermost_DR_map according
3871         to its innermost loop behavior.
3872         (if_convertible_loop_p_1): Remove intialization for ref_DR_map.
3873         Add initialization for innermost_DR_map.  Record memory reference
3874         in DR_BASE_ADDRESS if the reference is compound one or it doesn't
3875         have innermost loop behavior.
3876         (if_convertible_loop_p): Remove release for ref_DR_map.  Release
3877         innermost_DR_map.
3878
3879 2016-04-20  Uros Bizjak  <ubizjak@gmail.com>
3880
3881         * config/i386/i386.md (*lea<mode>_general_1): Rename from
3882         *lea_general_1.  Use explicit SWI12 mode interator.
3883         (*lea<mode>_general_2): Rename from *lea_general_2.
3884         Use explicit SWI12 mode interator.
3885         (*lea<mode>_general_3): Rename from *lea_general_3.
3886         Use explicit SWI12 mode interator.
3887         (*lea<SWI12:mode>_general_4): Split from *lea_general_4.
3888         Use explicit SWI12 mode interator.
3889         (*lea<SWI48:mode>_general_4): Split from *lea_general_4.
3890         Use explicit SWI48 mode interator.
3891
3892 2016-04-20  H.J. Lu  <hongjiu.lu@intel.com>
3893
3894         * config/i386/i386.c (ix86_avx256_split_vector_move_misalign):
3895         Short-cut unaligned load and store cases.  Handle all integer
3896         vector modes.
3897         (ix86_expand_vector_move_misalign): Short-cut unaligned load
3898         and store cases.  Call ix86_avx256_split_vector_move_misalign
3899         directly without checking mode class.
3900
3901 2016-04-20  Andrew Pinski  <apinski@cavium.com>
3902             Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3903
3904         PR target/64971
3905         * config/aarch64/aarch64.md (sibcall): Force call
3906         address to be DImode for ILP32.
3907         (sibcall_value): Likewise.
3908
3909 2016-04-20  H.J. Lu  <hongjiu.lu@intel.com>
3910
3911         * doc/invoke.texi: Replace -skip-rax-setup with -mskip-rax-setup.
3912
3913 2016-04-20  Richard Biener  <rguenther@suse.de>
3914
3915         * gimple-match.h (maybe_build_generic_op): Adjust prototype.
3916         * gimple-match-head.c (maybe_build_generic_op): Pass all ops
3917         by reference, clear op1 and op2 when GENERICizing BIT_FIELD_REF.
3918         (maybe_push_res_to_seq): Adjust.
3919         * gimple-fold.c (maybe_build_generic_op): Likewise.
3920
3921 2016-04-20  Marek Polacek  <polacek@redhat.com>
3922
3923         * tree-if-conv.c (is_false_predicate): For NULL_TREE return false
3924         rather than true.
3925
3926 2016-04-20  Ilya Enkovich  <ilya.enkovich@intel.com>
3927
3928         * config/i386/sse.md (vec_unpacks_lo_hi): Always
3929         use kmovw to support AVX512F target.
3930
3931 2016-04-20  Bin Cheng  <bin.cheng@arm.com>
3932
3933         * tree-scalar-evolution.c (interpret_rhs_expr): Handle BIT_AND_EXPR.
3934
3935 2016-04-20  Marek Polacek  <polacek@redhat.com>
3936
3937         PR tree-optimization/70725
3938         * tree-if-conv.c (is_false_predicate): New function.
3939         (predicate_mem_writes): Use it.
3940
3941 2016-04-20  Richard Biener  <rguenther@suse.de>
3942
3943         PR tree-optimization/70726
3944         * tree-vect-stmts.c (vectorizable_shift): Do not use scalar
3945         shift amounts from a pattern stmt operand.
3946
3947 2016-04-20  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
3948
3949         PR target/70674
3950         * config/s390/s390.c (s390_restore_gprs_from_fprs): Pick the new
3951         stack_restore_from_fpr pattern when restoring r15.
3952         (s390_optimize_prologue): Strip away the memory barrier in the
3953         parallel when trying to get rid of restore insns.
3954         * config/s390/s390.md ("stack_restore_from_fpr"): New insn
3955         definition for loading the stack pointer from an FPR.  Compared to
3956         the normal move insn this pattern includes a full memory barrier.
3957
3958 2016-04-19  Jakub Jelinek  <jakub@redhat.com>
3959
3960         PR middle-end/70680
3961         * gimplify.c (gimplify_omp_for): Call omp_notice_variable for
3962         implicitly linear or lastprivate iterator on the outer context.
3963
3964 2016-04-19  H.J. Lu  <hongjiu.lu@intel.com>
3965
3966         * config/i386/i386.c (ix86_legitimate_combined_insn): Remove
3967         alignment check.
3968         * config/i386/i386.md (ssememalign): Removed.
3969         * config/i386/sse.md: Remove ssememalign attribute from patterns.
3970
3971 2016-04-19  H.J. Lu  <hongjiu.lu@intel.com>
3972
3973         PR target/69201
3974         * config/i386/avx512bwintrin.h (_mm512_mask_loadu_epi16): Pass
3975         const short * to __builtin_ia32_loaddquhi512_mask.
3976         (_mm512_maskz_loadu_epi16): Likewise.
3977         (_mm512_mask_storeu_epi16): Pass short * to
3978         __builtin_ia32_storedquhi512_mask.
3979         (_mm512_mask_loadu_epi8): Pass const char * to
3980         __builtin_ia32_loaddquqi512_mask.
3981         (_mm512_maskz_loadu_epi8): Likewise.
3982         (_mm512_mask_storeu_epi8): Pass char * to
3983         __builtin_ia32_storedquqi512_mask.
3984         * config/i386/avx512fintrin.h (_mm512_loadu_pd): Pass
3985         const double * to __builtin_ia32_loadupd512_mask.
3986         (_mm512_mask_loadu_pd): Likewise.
3987         (_mm512_maskz_loadu_pd): Likewise.
3988         (_mm512_storeu_pd): Pass double * to
3989         __builtin_ia32_storeupd512_mask.
3990         (_mm512_mask_storeu_pd): Likewise.
3991         (_mm512_loadu_ps): Pass const float * to
3992         __builtin_ia32_loadups512_mask.
3993         (_mm512_mask_loadu_ps): Likewise.
3994         (_mm512_maskz_loadu_ps): Likewise.
3995         (_mm512_storeu_ps): Pass float * to
3996         __builtin_ia32_storeups512_mask.
3997         (_mm512_mask_storeu_ps): Likewise.
3998         (_mm512_mask_loadu_epi64): Pass const long long * to
3999         __builtin_ia32_loaddqudi512_mask.
4000         (_mm512_maskz_loadu_epi64): Likewise.
4001         (_mm512_mask_storeu_epi64): Pass long long *
4002         to __builtin_ia32_storedqudi512_mask.
4003         (_mm512_loadu_si512): Pass const int * to
4004         __builtin_ia32_loaddqusi512_mask.
4005         (_mm512_mask_loadu_epi32): Likewise.
4006         (_mm512_maskz_loadu_epi32): Likewise.
4007         (_mm512_storeu_si512): Pass int * to
4008         __builtin_ia32_storedqusi512_mask.
4009         (_mm512_mask_storeu_epi32): Likewise.
4010         * config/i386/avx512vlbwintrin.h (_mm256_mask_storeu_epi8): Pass
4011         char * to __builtin_ia32_storedquqi256_mask.
4012         (_mm_mask_storeu_epi8): Likewise.
4013         (_mm256_mask_loadu_epi16): Pass const short * to
4014         __builtin_ia32_loaddquhi256_mask.
4015         (_mm256_maskz_loadu_epi16): Likewise.
4016         (_mm_mask_loadu_epi16): Pass const short * to
4017         __builtin_ia32_loaddquhi128_mask.
4018         (_mm_maskz_loadu_epi16): Likewise.
4019         (_mm256_mask_loadu_epi8): Pass const char * to
4020         __builtin_ia32_loaddquqi256_mask.
4021         (_mm256_maskz_loadu_epi8): Likewise.
4022         (_mm_mask_loadu_epi8): Pass const char * to
4023         __builtin_ia32_loaddquqi128_mask.
4024         (_mm_maskz_loadu_epi8): Likewise.
4025         (_mm256_mask_storeu_epi16): Pass short * to.
4026         __builtin_ia32_storedquhi256_mask.
4027         (_mm_mask_storeu_epi16): Pass short * to.
4028         __builtin_ia32_storedquhi128_mask.
4029         * config/i386/avx512vlintrin.h (_mm256_mask_loadu_pd): Pass
4030         const double * to __builtin_ia32_loadupd256_mask.
4031         (_mm256_maskz_loadu_pd): Likewise.
4032         (_mm_mask_loadu_pd): Pass onst double * to
4033         __builtin_ia32_loadupd128_mask.
4034         (_mm_maskz_loadu_pd): Likewise.
4035         (_mm256_mask_storeu_pd): Pass double * to
4036         __builtin_ia32_storeupd256_mask.
4037         (_mm_mask_storeu_pd): Pass double * to
4038         __builtin_ia32_storeupd128_mask.
4039         (_mm256_mask_loadu_ps): Pass const float * to
4040         __builtin_ia32_loadups256_mask.
4041         (_mm256_maskz_loadu_ps): Likewise.
4042         (_mm_mask_loadu_ps): Pass const float * to
4043         __builtin_ia32_loadups128_mask.
4044         (_mm_maskz_loadu_ps): Likewise.
4045         (_mm256_mask_storeu_ps): Pass float * to
4046         __builtin_ia32_storeups256_mask.
4047         (_mm_mask_storeu_ps): ass float * to
4048         __builtin_ia32_storeups128_mask.
4049         (_mm256_mask_loadu_epi64): Pass const long long * to
4050         __builtin_ia32_loaddqudi256_mask.
4051         (_mm256_maskz_loadu_epi64): Likewise.
4052         (_mm_mask_loadu_epi64): Pass const long long * to
4053         __builtin_ia32_loaddqudi128_mask.
4054         (_mm_maskz_loadu_epi64): Likewise.
4055         (_mm256_mask_storeu_epi64): Pass long long * to
4056         __builtin_ia32_storedqudi256_mask.
4057         (_mm_mask_storeu_epi64): Pass long long * to
4058         __builtin_ia32_storedqudi128_mask.
4059         (_mm256_mask_loadu_epi32): Pass const int * to
4060         __builtin_ia32_loaddqusi256_mask.
4061         (_mm256_maskz_loadu_epi32): Likewise.
4062         (_mm_mask_loadu_epi32): Pass const int * to
4063         __builtin_ia32_loaddqusi128_mask.
4064         (_mm_maskz_loadu_epi32): Likewise.
4065         (_mm256_mask_storeu_epi32): Pass int * to
4066         __builtin_ia32_storedqusi256_mask.
4067         (_mm_mask_storeu_epi32): Pass int * to
4068         __builtin_ia32_storedqusi128_mask.
4069         * config/i386/i386-builtin-types.def (PCSHORT): New.
4070         (PINT64): Likewise.
4071         (V64QI_FTYPE_PCCHAR_V64QI_UDI): Likewise.
4072         (V32HI_FTYPE_PCSHORT_V32HI_USI): Likewise.
4073         (V32QI_FTYPE_PCCHAR_V32QI_USI): Likewise.
4074         (V16SF_FTYPE_PCFLOAT_V16SF_UHI): Likewise.
4075         (V8DF_FTYPE_PCDOUBLE_V8DF_UQI): Likewise.
4076         (V16SI_FTYPE_PCINT_V16SI_UHI): Likewise.
4077         (V16HI_FTYPE_PCSHORT_V16HI_UHI): Likewise.
4078         (V16QI_FTYPE_PCCHAR_V16QI_UHI): Likewise.
4079         (V8SF_FTYPE_PCFLOAT_V8SF_UQI): Likewise.
4080         (V8DI_FTYPE_PCINT64_V8DI_UQI): Likewise.
4081         (V8SI_FTYPE_PCINT_V8SI_UQI): Likewise.
4082         (V8HI_FTYPE_PCSHORT_V8HI_UQI): Likewise.
4083         (V4DF_FTYPE_PCDOUBLE_V4DF_UQI): Likewise.
4084         (V4SF_FTYPE_PCFLOAT_V4SF_UQI): Likewise.
4085         (V4DI_FTYPE_PCINT64_V4DI_UQI): Likewise.
4086         (V4SI_FTYPE_PCINT_V4SI_UQI): Likewise.
4087         (V2DF_FTYPE_PCDOUBLE_V2DF_UQI): Likewise.
4088         (V2DI_FTYPE_PCINT64_V2DI_UQI): Likewise.
4089         (VOID_FTYPE_PDOUBLE_V8DF_UQI): Likewise.
4090         (VOID_FTYPE_PDOUBLE_V4DF_UQI): Likewise.
4091         (VOID_FTYPE_PDOUBLE_V2DF_UQI): Likewise.
4092         (VOID_FTYPE_PFLOAT_V16SF_UHI): Likewise.
4093         (VOID_FTYPE_PFLOAT_V8SF_UQI): Likewise.
4094         (VOID_FTYPE_PFLOAT_V4SF_UQI): Likewise.
4095         (VOID_FTYPE_PINT64_V8DI_UQI): Likewise.
4096         (VOID_FTYPE_PINT64_V4DI_UQI): Likewise.
4097         (VOID_FTYPE_PINT64_V2DI_UQI): Likewise.
4098         (VOID_FTYPE_PINT_V16SI_UHI): Likewise.
4099         (VOID_FTYPE_PINT_V8SI_UHI): Likewise.
4100         (VOID_FTYPE_PINT_V4SI_UHI): Likewise.
4101         (VOID_FTYPE_PSHORT_V32HI_USI): Likewise.
4102         (VOID_FTYPE_PSHORT_V16HI_UHI): Likewise.
4103         (VOID_FTYPE_PSHORT_V8HI_UQI): Likewise.
4104         (VOID_FTYPE_PCHAR_V64QI_UDI): Likewise.
4105         (VOID_FTYPE_PCHAR_V32QI_USI): Likewise.
4106         (VOID_FTYPE_PCHAR_V16QI_UHI): Likewise.
4107         (V64QI_FTYPE_PCV64QI_V64QI_UDI): Removed.
4108         (V32HI_FTYPE_PCV32HI_V32HI_USI): Likewise.
4109         (V32QI_FTYPE_PCV32QI_V32QI_USI): Likewise.
4110         (V16HI_FTYPE_PCV16HI_V16HI_UHI): Likewise.
4111         (V16QI_FTYPE_PCV16QI_V16QI_UHI): Likewise.
4112         (V8HI_FTYPE_PCV8HI_V8HI_UQI): Likewise.
4113         (VOID_FTYPE_PV32HI_V32HI_USI): Likewise.
4114         (VOID_FTYPE_PV16HI_V16HI_UHI): Likewise.
4115         (VOID_FTYPE_PV8HI_V8HI_UQI): Likewise.
4116         (VOID_FTYPE_PV64QI_V64QI_UDI): Likewise.
4117         (VOID_FTYPE_PV32QI_V32QI_USI): Likewise.
4118         (VOID_FTYPE_PV16QI_V16QI_UHI): Likewise.
4119         * config/i386/i386.c (ix86_emit_save_reg_using_mov): Don't
4120         use UNSPEC_STOREU.
4121         (ix86_emit_restore_sse_regs_using_mov): Don't use UNSPEC_LOADU.
4122         (ix86_avx256_split_vector_move_misalign): Don't use unaligned
4123         load nor store.
4124         (ix86_expand_vector_move_misalign): Likewise.
4125         (bdesc_special_args): Use CODE_FOR_movvNXY_internal and pointer
4126         to scalar function prototype for unaligned load/store builtins.
4127         (ix86_expand_special_args_builtin): Updated.
4128         * config/i386/sse.md (UNSPEC_LOADU): Removed.
4129         (UNSPEC_STOREU): Likewise.
4130         (VI_ULOADSTORE_BW_AVX512VL): Likewise.
4131         (VI_ULOADSTORE_F_AVX512VL): Likewise.
4132         (ssescalarsize): Handle V4TI, V2TI and V1TI.
4133         (<sse>_loadu<ssemodesuffix><avxsizesuffix><mask_name>): Likewise.
4134         (*<sse>_loadu<ssemodesuffix><avxsizesuffix><mask_name>): Likewise.
4135         (<sse>_storeu<ssemodesuffix><avxsizesuffix>): Likewise.
4136         (<avx512>_storeu<ssemodesuffix><avxsizesuffix>_mask): Likewise.
4137         (<sse2_avx_avx512f>_loaddqu<mode><mask_name>): Likewise.
4138         (*<sse2_avx_avx512f>_loaddqu<mode><mask_name>"): Likewise.
4139         (sse2_avx_avx512f>_storedqu<mode>): Likewise.
4140         (<avx512>_storedqu<mode>_mask): Likewise.
4141         (*sse4_2_pcmpestr_unaligned): Likewise.
4142         (*sse4_2_pcmpistr_unaligned): Likewise.
4143         (*mov<mode>_internal): Renamed to ...
4144         (mov<mode>_internal): This.  Remove check of AVX and IAMCU on
4145         misaligned operand.  Replace vmovdqu64 with vmovdqu<ssescalarsize>.
4146         (movsd/movhpd to movupd peephole): Don't use UNSPEC_LOADU.
4147         (movlpd/movhpd to movupd peephole): Don't use UNSPEC_STOREU.
4148
4149 2016-04-19  Richard Biener  <rguenther@suse.de>
4150
4151         PR tree-optimization/70171
4152         * tree-ssa-phiprop.c: Include stor-layout.h.
4153         (phiprop_insert_phi): Handle the aggregate copy case.
4154         (propagate_with_phi): Likewise.
4155
4156 2016-04-19  Uros Bizjak  <ubizjak@gmail.com>
4157
4158         * config/i386/i386.c (ix86_decompose_address): Use lowpart_subreg
4159         instead of simplify_gen_subreg (... , 0).
4160         (ix86_delegitimize_address): Ditto.
4161         (ix86_split_divmod): Ditto.
4162         (ix86_split_copysign_const): Ditto.
4163         (ix86_split_copysign_var): Ditto.
4164         (ix86_expand_args_builtin): Ditto.
4165         (ix86_expand_round_builtin): Ditto.
4166         (ix86_expand_special_args_builtin): Ditto.
4167         * config/i386/i386.md (TARGET_USE_VECTOR_FP_CONVERTS splitters): Ditto.
4168         (TARGET_SSE_PARTIAL_REG_DEPENDENCY splitters and peephole2s): Ditto.
4169         (udivmodqi4): Ditto.
4170         (absneg splitters): Ditto.
4171         (*jcc_bt<mode>_1): Ditto.
4172
4173 2016-04-19  Richard Biener  <rguenther@suse.de>
4174
4175         PR tree-optimization/70724
4176         * tree-ssa-sccvn.c (scc_vn_restore_ssa_info): Split SSA info
4177         restoring out from ...
4178         (free_scc_vn): ... here.
4179         * tree-ssa-sccvn.h (scc_vn_restore_ssa_info): Declare.
4180         * tres-ssa-pre.c (pass_pre::execute): Restore SSA info before
4181         tail merging.
4182         (pass_fre::execute): Restore SSA info.
4183
4184 2016-04-19  Richard Biener  <rguenther@suse.de>
4185
4186         * gimple-walk.h (struct walk_stmt_info): Add stmt member.
4187         * gimple-walk.c (walk_gimple_op): Initialize it.
4188         (walk_gimple_asm): Set wi->is_lhs before each callback invocation.
4189         * tree-inline.c (remap_gimple_op_r): Set SSA_NAME_DEF_STMT when
4190         remapping SSA names of defs.
4191         (copy_bb): Remove walk over all SSA defs and SSA_NAME_DEF_STMT
4192         adjustment.
4193
4194 2016-04-18  Vladimir Makarov  <vmakarov@redhat.com>
4195
4196         PR middle-end/70689
4197         * lra-constraints.c (equiv_substition_p): New.
4198         (process_alt_operands): Use it.
4199         (swap_operands): Swap it.
4200         (curr_insn_transform): Update it.
4201
4202 2016-04-18  Michael Matz  <matz@suse.de>
4203
4204         * tree.h (TYPE_ALIGN, DECL_ALIGN): Return shifted amount.
4205         (SET_TYPE_ALIGN, SET_DECL_ALIGN): New.
4206         * tree-core.h (tree_type_common.align): Use bit-field.
4207         (tree_type_common.spare): New.
4208         (tree_decl_common.off_align): Make smaller.
4209         (tree_decl_common.align): Use bit-field.
4210
4211         * expr.c (expand_expr_addr_expr_1): Use SET_TYPE_ALIGN.
4212         * omp-low.c (install_var_field): Use SET_DECL_ALIGN.
4213         (scan_sharing_clauses): Ditto.
4214         (finish_taskreg_scan): Use SET_DECL_ALIGN and SET_TYPE_ALIGN.
4215         (omp_finish_file): Ditto.
4216         * stor-layout.c (do_type_align): Use SET_DECL_ALIGN.
4217         (layout_decl): Ditto.
4218         (relayout_decl): Ditto.
4219         (finalize_record_size): Use SET_TYPE_ALIGN.
4220         (finalize_type_size): Ditto.
4221         (finish_builtin_struct): Ditto.
4222         (layout_type): Ditto.
4223         (initialize_sizetypes): Ditto.
4224         * targhooks.c (std_gimplify_va_arg_expr): Use SET_TYPE_ALIGN.
4225         * tree-nested.c (insert_field_into_struct): Use SET_TYPE_ALIGN.
4226         (lookup_field_for_decl): Use SET_DECL_ALIGN.
4227         (get_chain_field): Ditto.
4228         (get_trampoline_type): Ditto.
4229         (get_nl_goto_field): Ditto.
4230         * tree-streamer-in.c (unpack_ts_decl_common_value_fields): Use
4231         SET_DECL_ALIGN.
4232         (unpack_ts_type_common_value_fields): Use SET_TYPE_ALIGN.
4233         * gimple-expr.c (copy_var_decl): Use SET_DECL_ALIGN.
4234         * tree.c (make_node_stat): Use SET_DECL_ALIGN and SET_TYPE_ALIGN.
4235         (build_qualified_type): Use SET_TYPE_ALIGN.
4236         (build_aligned_type, build_range_type_1): Ditto.
4237         (build_atomic_base): Ditto.
4238         (build_common_tree_nodes): Ditto.
4239         * cfgexpand.c (align_local_variable): Use SET_DECL_ALIGN.
4240         (expand_one_stack_var_at): Ditto.
4241         * coverage.c (build_var): Use SET_DECL_ALIGN.
4242         * except.c (init_eh): Ditto.
4243         * function.c (assign_parm_setup_block): Ditto.
4244         * symtab.c (increase_alignment_1): Ditto.
4245         * tree-ssa-ccp.c (fold_builtin_alloca_with_align): Ditto.
4246         * tree-vect-stmts.c (ensure_base_align): Ditto.
4247         * varasm.c (align_variable): Ditto.
4248         (assemble_variable): Ditto.
4249         (build_constant_desc): Ditto.
4250         (output_constant_def_contents): Ditto.
4251
4252         * config/arm/arm.c (arm_relayout_function): Use SET_DECL_ALIGN.
4253         * config/avr/avr.c (avr_adjust_type_node): Use SET_TYPE_ALIGN.
4254         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): Ditto.
4255         * config/msp430/msp430.c (msp430_gimplify_va_arg_expr): Ditto.
4256         * config/spu/spu.c (spu_build_builtin_va_list): Use SET_DECL_ALIGN.
4257
4258 2016-04-18  H.J. Lu  <hongjiu.lu@intel.com>
4259
4260         PR target/70708
4261         * config/i386/sse.md (sse2_loadlpd): Accept load from "xm" and
4262         replace %vmovsd with "%vmovq".
4263         (vec_concatv2df): Likewise.
4264
4265 2016-04-18  Uros Bizjak  <ubizjak@gmail.com>
4266
4267         * config/i386/mmx.md (*vec_extractv2sf_0): Use gen_lowpart.
4268         (*vec_extractv2si_0): Ditto.
4269         * config/i386/sse.md (*vec_extractv4sf_0): Ditto.
4270         (zero_extended_scalar_load_operand splitters): Ditto.
4271         (vec_extract splitters): Ditto.
4272         (*vec_extractv4si_0_zext): Ditto.
4273         (avx_<castmode><avxsizesuffix>_<castmode>): Use gen_lowpart
4274         and lowpart_subreg.
4275         (avx512f_<castmode><avxsizesuffix>_<castmode>): Ditto.
4276         (avx512f_<castmode><avxsizesuffix>_256<castmode>): Ditto.
4277         (*sse4_1_extractps): Use lowpart_subreg.
4278         * config/i386/i386.md (x87 floatsplitter): Use gen_lowpart.
4279
4280 2016-04-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4281
4282         * doc/install.texi (Specific, i?86-*-solaris2.10): Update gas and
4283         gld requirements.
4284         (Specific, *-*-solaris2*): Update Solaris 11 bundled gcc versions.
4285         Mention Solaris 11 packaging changes.
4286         Update gas and gld requirements.
4287         Remove reference to pre-Solaris 10 bug.
4288         (Specific, sparc-sun-solaris2*): Remove reference to pre-Solaris 10
4289         systems and bugs.
4290         (Specific, sparc64-*-solaris2*): Remove reference to bootstrap
4291         with cc.
4292
4293 2016-04-17  Jan Hubicka  <jh@suse.cz>
4294
4295         * tree-ssa-loop-ivopts.c (avg_loop_niter): Use also
4296         max_loop_iterations_int.
4297
4298 2016-04-18  Richard Biener  <rguenther@suse.de>
4299
4300         PR tree-optimization/43434
4301         * tree-ssa-structalias.c (struct vls_data): New.
4302         (visit_loadstore): Handle all pointer-based accesses.
4303         (compute_dependence_clique): Compute a bitmap of restrict tags
4304         assigned bases and pass it to visit_loadstore.
4305
4306 2016-04-18  Matthew Wahab  <matthew.wahab@arm.com>
4307
4308         PR target/70711
4309         * config/arm/bpabi.h (BE8_LINK_SPEC): Add entries for armv8+crc,
4310         armv8.1-a and armv8.1-a+crc.
4311
4312 2016-04-18  Richard Biener  <rguenther@suse.de>
4313
4314         PR tree-optimization/70701
4315         * tree-ssa-sccvn.c (vn_reference_lookup_3): Resolve fully constant
4316         references after translating through a memcpy.
4317
4318 2016-04-18  Richard Biener  <rguenther@suse.de>
4319
4320         * tree-ssa-pre.c (postorder, postorder_num): Make locals ...
4321         (compute_antic): ... here.  For partial antic use regular
4322         postorder and scrap iteration.
4323         (compute_partial_antic_aux): Remove unused return value.
4324         (init_pre): Do not allocate postorder.
4325         (fini_pre): Do not free postorder.
4326
4327 2016-04-18  Richard Biener  <rguenther@suse.de>
4328
4329         PR middle-end/37870
4330         * expmed.c (extract_bit_field_1): Remove broken case
4331         using a wider MODE_INT mode.
4332
4333 2016-04-18  Segher Boessenkool  <segher@kernel.crashing.org>
4334
4335         * has-brig.c (lendian16): Don't try to use __builtin_bswap16
4336         unless compiling with at least GCC-4.8.
4337
4338 2016-04-17  Jan Hubicka  <jh@suse.cz>
4339
4340         PR bootstrap/70706
4341         * graphite.c (graphite_finalize): Update call to
4342         tree_estimate_probability.
4343         * predict.h (tree_estimate_probability): Update prototype.
4344
4345 2016-04-17  Jan Hubicka  <jh@suse.cz>
4346
4347         * predict.c (combine_predictions_for_bb): Add dry_run parmaeter.
4348         (tree_estimate_probability): Likewise.
4349         (pass_profile::execute): Update.
4350         (report_predictor_hitrates): New function.
4351         * profile.c (compute_branch_probabilities): Use it.
4352         * predict.h (report_predictor_hitrates): Declare.
4353
4354 2016-04-17  Jan Hubicka  <jh@suse.cz>
4355
4356         PR ipa/70018
4357         * cgraph.h (cgraph_node::set_const_flag,
4358         cgraph_node::set_pure_flag): Update prototype to return bool;
4359         update comment.
4360         * cgraph.c (cgraph_node::call_for_symbol_thunks_and_aliases): Thunks
4361         of interposable symbol are interposable, too.
4362         (cgraph_set_const_flag_1): Rename to ...
4363         (set_const_flag_1): ... this one; change to self recursive function
4364         instead of call_for_symbol_thunks_and_aliases. Handle correctly
4365         clearnig the flag in all variants and also virtual thunks of const
4366         functions are pure; track if any change was done.
4367         (cgraph_node::set_const_flag): Update.
4368         (struct set_pure_flag_info): New struct.
4369         (cgraph_set_pure_flag_1): Rename to ...
4370         (set_pure_flag_1): ... this one; take set_pure_flag_info parameter
4371         rather than pointer encoded flags; track if any changes was done;
4372         handle correctly clearning flag and setting flag of aliases already
4373         declared const.
4374         (cgraph_node::set_pure_flag): Update.
4375         (cgraph_node::set_nothrow_flag): Handle correctly clearning the flag.
4376
4377 2016-04-17  Tom de Vries  <tom@codesourcery.com>
4378
4379         PR other/70433
4380         * pretty-print.c (pp_write_text_as_dot_label_to_stream): Escape
4381         backslash in label.
4382
4383 2016-04-17  Tom de Vries  <tom@codesourcery.com>
4384
4385         * pretty-print.c (pp_write_text_as_dot_label_to_stream): Classify chars
4386         '{}<> ' as escape-for-record.
4387
4388 2016-04-17  Tom de Vries  <tom@codesourcery.com>
4389
4390         * pretty-print.c (pp_write_text_as_dot_label_to_stream): Simplify loop
4391         structure.
4392
4393 2016-04-17  Tom de Vries  <tom@codesourcery.com>
4394
4395         PR other/70185
4396         * tree-pass.h (class opt_pass): Remove graph_dump_initialized member.
4397         * dumpfile.h (struct dump_file_info): Add graph_dump_initialized field.
4398         * dumpfile.c (dump_files): Initialize graph_dump_initialized field.
4399         * passes.c (finish_optimization_passes): Only call
4400         finish_graph_dump_file if dfi->graph_dump_initialized.
4401         (execute_function_dump, pass_init_dump_file): Use
4402         dfi->graph_dump_initialized instead of pass->graph_dump_initialized.
4403
4404 2016-04-17  Tom de Vries  <tom@codesourcery.com>
4405
4406         PR tree-optimization/70256
4407         * tree-ssa-structalias.c (dump_varinfo, debug_varinfo, dump_varmap)
4408         (debug_varmap): New function.
4409
4410 2016-04-17  Tom de Vries  <tom@codesourcery.com>
4411
4412         PR other/70183
4413         * passes.c (pass_manager::register_pass): Propagate pflags.
4414
4415 2016-04-17  Tom de Vries  <tom@codesourcery.com>
4416
4417         PR other/68875
4418         * pass_manager.h (TERMINATE_PASS_LIST): Add pass argument.
4419         * passes.c (pass_manager::pass_manager): Declare and init p_start in
4420         INSERT_PASSES_AFTER.  Add pass parameter to TERMINATE_PASS_LIST, and
4421         check if it's equal to p_start.
4422         * passes.def: Add arguments to TERMINATE_PASS_LISTs.
4423
4424 2016-04-15  Jan Hubicka  <jh@suse.cz>
4425
4426         PR ipa/70018
4427         * cgraph.c (cgraph_set_const_flag_1): Only set as pure if
4428         function does not bind to current def.
4429         * ipa-pure-const.c (worse_state): Add FROM and TO parameters;
4430         handle conservatively calls to functions that does not need to bind
4431         to current def.
4432         (check_call): Update call of worse_state.
4433         (ignore_edge_for_nothrow): Update.
4434         (ignore_edge_for_pure_const): Likewise.
4435         (propagate_pure_const): Update calls to worse_state.
4436         (skip_function_for_local_pure_const): Reformat comments.
4437
4438 2016-04-15  Jan Hubicka  <jh@suse.cz>
4439
4440         PR ipa/70018
4441         * cgraph.c (cgraph_node::get_availability): Add REF parameter.
4442         (cgraph_node::function_symbol): Likewise.
4443         (cgraph_node::function_or_virtual_thunk_symbol): Likewise.
4444         * cgraph.h (symtab_node::get_availabbility): Add REF parameter.
4445         (symtab_node::ultimate_alias_target): Add REF parameter.
4446         (symtab_node::binds_to_current_def_p): Declare.
4447         (symtab_node;:ultimate_alias_target_1): Add REF parameter.
4448         (cgraph_node::function_symbol): Likewise.
4449         (cgraph_node::function_or_virtual_thunk_symbol): Likewise.
4450         (cgraph_node::get_availability): Likewise.
4451         (cgraph_edge::binds_to_current_def_p): New inline function.
4452         (varpool_node::get_availability): Add REF parameter.
4453         (varpool_node::ultimate_alias_target): Likewise.
4454         * symtab.c (symtab_node::ultimate_alias_target_1): Likewise.
4455         (symtab_node::binds_to_current_def_p): Likewise.
4456         * varpool.c (varpool_node::get_availability): Likewise.
4457
4458 2016-04-15  Kirill Yukhin  <kirill.yukhin@intel.com>
4459
4460         PR target/70662
4461         * config/i386/sse.md(define_insn "<avx512>_vec_dup<mode><mask_name>"):
4462         Fix mode size check.
4463
4464 2016-04-15  Jakub Jelinek  <jakub@redhat.com>
4465
4466         * BASE-VER: Set to 7.0.0.
4467
4468 2016-04-15  Alexander Monakov  <amonakov@ispras.ru>
4469
4470         * config/nvptx/nvptx.opt (moptimize): Add a period at end of help text.
4471
4472 2016-04-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4473
4474         * doc/invoke.texi (ARM Options): Add note on deprecation of pre-ARMv4T
4475         architecture revisions.
4476
4477 2016-04-15  Bernd Schmidt  <bschmidt@redhat.com>
4478
4479         * config/i386/i386-protos.h (ix86_using_red_zone): Declare.
4480         * config/i386/i386.c (ix86_using_red_zone): No longer static.
4481         * config/i386/i386.md (stack decrement to push peepholes): Guard
4482         with !x86_using_red_zone ().
4483
4484 2016-04-15  Jakub Jelinek  <jakub@redhat.com>
4485
4486         PR c++/70675
4487         * tree-pretty-print.c (do_niy): Add FLAGS argument, pass it down
4488         to dump_generic_node.
4489         (NIY): Pass also flags to do_niy.
4490
4491 2016-04-15  Thomas Schwinge  <thomas@codesourcery.com>
4492
4493         * omp-low.c (simd_clone_struct_alloc, simd_clone_struct_copy)
4494         (simd_clone_vector_of_formal_parm_types)
4495         (simd_clone_clauses_extract, simd_clone_compute_base_data_type)
4496         (simd_clone_mangle, simd_clone_create)
4497         (simd_clone_adjust_return_type, create_tmp_simd_array)
4498         (simd_clone_adjust_argument_types, simd_clone_init_simd_arrays)
4499         (struct modify_stmt_info, ipa_simd_modify_stmt_ops)
4500         (ipa_simd_modify_function_body, simd_clone_linear_addend)
4501         (simd_clone_adjust, expand_simd_clones, ipa_omp_simd_clone)
4502         (pass_data_omp_simd_clone, class pass_omp_simd_clone)
4503         (pass_omp_simd_clone::gate, make_pass_omp_simd_clone): Move into...
4504         * omp-simd-clone.c: ... this new file.
4505         (simd_clone_vector_of_formal_parm_types): Make it static.
4506         * Makefile.in (OBJS): Add omp-simd-clone.o.
4507
4508 2016-04-15  Kirill Yukhin  <kirill.yukhin@intel.com>
4509
4510         PR target/70662
4511         * config/i386/sse.md: Use proper memory operand modifiers.
4512
4513
4514 2016-04-15  Richard Biener  <rguenther@suse.de>
4515         Alan Modra  <amodra@gmail.com>
4516
4517         PR tree-optimization/70130
4518         * tree-vect-data-refs.c (vect_supportable_dr_alignment): Detect
4519         when alignment stays not the same and no not use the realign
4520         scheme then.
4521
4522 2016-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
4523
4524         PR target/70669
4525         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add
4526         direct move handlers for KFmode. Change TFmode handlers test from
4527         FLOAT128_IEEE_P to FLOAT128_VECTOR_P.
4528
4529 2016-04-14  Jakub Jelinek  <jakub@redhat.com>
4530
4531         PR c++/70594
4532         * ipa-utils.h (polymorphic_ctor_dtor_p): New prototype.
4533         * ipa-polymorphic-call.c (polymorphic_ctor_dtor_p): New function.
4534         (inlined_polymorphic_ctor_dtor_block_p): Use it.
4535         * tree-ssa-live.c (remove_unused_scope_block_p): When
4536         in_ctor_dtor_block, avoid discarding not just BLOCKs with
4537         BLOCK_ABSTRACT_ORIGIN being FUNCTION_DECL, but even when
4538         block_ultimate_origin is FUNCTION_DECL.
4539         (remove_unused_locals): If current_function_decl is
4540         polymorphic_ctor_dtor_p, pass initial true to
4541         remove_unused_scope_block_p' is_ctor_dtor_block.
4542
4543 2016-04-14  Martin Sebor  <msebor@redhat.com>
4544
4545         PR c++/69517
4546         PR c++/70019
4547         PR c++/70588
4548         * doc/extend.texi (Variable Length): Revert.
4549
4550 2016-04-14  Marek Polacek  <polacek@redhat.com>
4551             Jan Hubicka  <hubicka@ucw.cz>
4552
4553         PR c++/70029
4554         * tree.c (verify_type): Disable the canonical type of main variant
4555         check.
4556
4557 2016-04-14  Jason Merrill  <jason@redhat.com>
4558
4559         * cfgexpand.c, expr.c: Revert previous change.
4560
4561 2016-04-14  Cesar Philippidis  <cesar@codesourcery.com>
4562
4563         PR middle-end/70643
4564         * omp-low.c (lower_oacc_reductions): Check for TREE_CONSTANT
4565         when building a mem ref for the incoming reduction variable.
4566
4567 2016-04-14  Richard Biener  <rguenther@suse.de>
4568
4569         PR tree-optimization/70614
4570         * tree-scalar-evolution.c (analyze_evolution_in_loop): Terminate
4571         loop if the evolution dropped to chrec_dont_know.
4572         (interpret_condition_phi): Likewise.
4573
4574 2016-04-14  Richard Biener  <rguenther@suse.de>
4575
4576         PR tree-optimization/70623
4577         * tree-ssa-pre.c (changed_blocks): Make global ...
4578         (compute_antic): ... local here.  Move and fix worklist
4579         handling here.  Do not clear EDGE_DFS_BACK or call mark_dfs_back_edges.
4580         (compute_antic_aux): Add dumping for MAX assumed succs.  Remove
4581         worklist handling, dump when ANTIC_IN changed.
4582         (compute_partial_antic_aux): Remove worklist handling.
4583         (init_pre): Do not compute post dominators.  Add a comment about
4584         the CFG order chosen.
4585         (fini_pre): Do not free post dominators.
4586
4587 2016-04-13  Martin Sebor  <msebor@redhat.com>
4588
4589         PR c++/69517
4590         PR c++/70019
4591         PR c++/70588
4592         * doc/extend.texi (Variable Length): Document C++ specifics.
4593
4594 2016-04-13  Jakub Jelinek  <jakub@redhat.com>
4595
4596         PR c++/70641
4597         * ipa-pure-const.c (pass_nothrow::execute): Call maybe_clean_eh_stmt
4598         on all recursive call stmts.  Return TODO_cleanup_cfg if any dead
4599         eh edges have been purged.
4600
4601         PR c++/70594
4602         * tree-sra.c (create_access_replacement,
4603         get_replaced_param_substitute): Set DECL_NAMELESS on repl if it
4604         gets fancy name.
4605         * tree-pretty-print.c (dump_fancy_name): New function.
4606         (dump_decl_name, dump_generic_node): Use it.
4607
4608 2016-04-13  Jason Merrill  <jason@redhat.com>
4609
4610         * cfgexpand.c (pass_expand::execute): Handle attribute "abi warning".
4611         * expr.c (expand_expr_real_1): Likewise.
4612
4613 2016-04-13  Ilya Enkovich  <ilya.enkovich@intel.com>
4614
4615         * config/i386/i386.md (kunpckhi): Swap operands.
4616         (kunpcksi): Likewise.
4617         (kunpckdi): Likewise.
4618         * config/i386/sse.md (vec_pack_trunc_qi): Likewise.
4619         (vec_pack_trunc_<mode>): Likewise.
4620
4621 2016-04-13  Jakub Jelinek  <jakub@redhat.com>
4622
4623         PR debug/70628
4624         * explow.c (convert_memory_address_addr_space_1): Formatting fix.
4625
4626         PR middle-end/70633
4627         * gimplify.c (gimplify_init_constructor): Clear TREE_STATIC if
4628         gimplification turns some element into non-constant.
4629
4630         PR debug/70628
4631         * rtl.h (convert_memory_address_addr_space_1): New prototype.
4632         * explow.c (convert_memory_address_addr_space_1): No longer static,
4633         add NO_EMIT argument and don't call convert_modes if true, pass
4634         it down recursively, remove break after return.
4635         (convert_memory_address_addr_space): Adjust caller.
4636         * simplify-rtx.c (simplify_unary_operation_1): Call
4637         convert_memory_address_addr_space_1 instead of convert_memory_address,
4638         if it returns NULL, don't simplify.
4639
4640 2016-04-12  Eric Botcazou  <ebotcazou@adacore.com>
4641
4642         PR target/70630
4643         * config/sparc/sparc.c (sparc_compute_frame_size): Add parentheses.
4644
4645 2016-04-12  Jakub Jelinek  <jakub@redhat.com>
4646
4647         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
4648         Bump the upper SIMDLEN limits, so that if the return type or
4649         characteristic type if the return type is void can be passed in
4650         all available SSE2/AVX/AVX2/AVX512-F registers, the SIMDLEN is
4651         allowed.
4652
4653 2016-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
4654
4655         PR target/70640
4656         * config/rs6000/rs6000.md (ieee_128bit_vsx_neg<mode>2_internal):
4657         Do not use "=" constraint on an input constraint.
4658         (ieee_128bit_vsx_abs<mode>2_internal): Likewise.
4659         (ieee_128bit_vsx_nabs<mode>2_internal): Likewise.
4660         (ieee_128bit_vsx_nabs<mode>2): Correct splitter so that it
4661         generates (neg (abs ...)) instead of (abs ...).
4662
4663 2016-04-12  Jakub Jelinek  <jakub@redhat.com>
4664
4665         PR rtl-optimization/70596
4666         * lra-spills.c (spill_pseudos): Don't delete debug insns, instead
4667         just invalidate LRA data and reset them.  Adjust dump wording.
4668
4669 2016-04-12  Martin Liska  <mliska@suse.cz>
4670
4671         Revert
4672         2016-03-30  Jan Hubicka  <hubicka@ucw.cz>
4673
4674         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can't get realistic
4675         estimates here.
4676         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
4677         max_loop_iterations_int.
4678         (tree_unswitch_outer_loop): Likewise.
4679         * tree-ssa-loop-ivopts.c (avg_loop_niter): Likewise.
4680         * tree-vect-loop.c (vect_analyze_loop_2): Likewise.
4681
4682 2016-04-12  Tom de Vries  <tom@codesourcery.com>
4683
4684         PR tree-optimization/68756
4685         * graphite-isl-ast-to-gimple.c (copy_cond_phi_args): Use new_expr
4686         instead of new_name.
4687
4688 2016-04-12  Jakub Jelinek  <jakub@redhat.com>
4689
4690         PR tree-optimization/70602
4691         * tree-sra.c (generate_subtree_copies): Don't write anything into
4692         constant pool decls.
4693
4694         * omp-low.c (lower_omp_target): Use GOMP_MAP_FIRSTPRIVATE_INT
4695         regardless whether there are depend clauses or not.
4696
4697 2016-04-11  Michael Meissner  <meissner@linux.vnet.ibm.com>
4698
4699         PR target/70381
4700         * config/rs6000/rs6000.c (rs6000_opt_masks): Disable using the
4701         target attribute and pragma from changing the -mfloat128
4702         and -mfloat128-hardware options.
4703
4704         * doc/extend.texi (Additional Floating Types): Document PowerPC
4705         __float128 restrictions.
4706
4707 2016-04-11  James Greenhalgh  <james.greenhalgh@arm.com>
4708
4709         PR target/70133
4710         * config/aarch64/driver-aarch64.c
4711         (aarch64_get_extension_string_for_isa_flags): New.
4712         (arch_extension): Rename to...
4713         (aarch64_arch_extension): ...This.
4714         (ext_to_feat_string): Rename to...
4715         (aarch64_extensions): ...This.
4716         (aarch64_core_data): Keep track of architecture extension flags.
4717         (cpu_data): Rename to...
4718         (aarch64_cpu_data): ...This.
4719         (aarch64_arch_driver_info): Keep track of architecture extension
4720         flags.
4721         (get_arch_name_from_id): Rename to...
4722         (get_arch_from_id): ...This, change return type.
4723         (host_detect_local_cpu): Update and reformat for renames, handle
4724         extensions through common infrastructure.
4725
4726 2016-04-11  James Greenhalgh  <james.greenhalgh@arm.com>
4727
4728         PR target/70133
4729         * config/aarch64/aarch64-common.c (aarch64_option_extension): Keep
4730         track of a canonical flag name.
4731         (all_extensions): Likewise.
4732         (arch_to_arch_name): Also track extension flags enabled by the arch.
4733         (all_architectures): Likewise.
4734         (aarch64_parse_extension): Move to here.
4735         (aarch64_get_extension_string_for_isa_flags): Take a new argument,
4736         rework.
4737         (aarch64_rewrite_selected_cpu): Update for above change.
4738         * config/aarch64/aarch64-option-extensions.def: Rework the way flags
4739         are handled, such that the single explicit value enabled by an
4740         extension is kept seperate from the implicit values it also enables.
4741         * config/aarch64/aarch64-protos.h (aarch64_parse_opt_result): Move
4742         to here.
4743         (aarch64_parse_extension): New.
4744         * config/aarch64/aarch64.c (aarch64_parse_opt_result): Move from
4745         here to config/aarch64/aarch64-protos.h.
4746         (aarch64_parse_extension): Move from here to
4747         common/config/aarch64/aarch64-common.c.
4748         (aarch64_option_print): Update.
4749         (aarch64_declare_function_name): Likewise.
4750         (aarch64_start_file): Likewise.
4751         * config/aarch64/driver-aarch64.c (arch_extension): Keep track of
4752         the canonical flag for extensions.
4753         * config.gcc (aarch64*-*-*): Extend regex for capturing extension
4754         flags.
4755
4756 2016-04-11  James Greenhalgh  <james.greenhalgh@arm.com>
4757
4758         * config/aarch64/aarch64.h (AARCH64_FL_FOR_ARCH8_1): Also add
4759         AARCH64_FL_CRC.
4760
4761 2016-04-09  Tom de Vries  <tom@codesourcery.com>
4762
4763         PR tree-optimization/68953
4764         * graphite-sese-to-poly.c (pdr_add_memory_accesses): Order accesses from
4765         first to last subscript.
4766
4767 2016-04-09  Jakub Jelinek  <jakub@redhat.com>
4768
4769         PR tree-optimization/70586
4770         * tree-ssa-ifcombine.c (bb_no_side_effects_p): Return false
4771         for any calls.
4772
4773 2016-04-08  Cesar Philippidis  <cesar@codesourcery.com>
4774
4775         PR lto/70289
4776         PR ipa/70348
4777         PR tree-optimization/70373
4778         PR middle-end/70533
4779         PR middle-end/70534
4780         PR middle-end/70535
4781         * gimplify.c (gimplify_adjust_omp_clauses): Add or adjust data
4782         clauses for acc parallel reductions as necessary.  Error on those
4783         that are private.
4784         * omp-low.c (scan_sharing_clauses): Don't install variables which
4785         are used in acc parallel reductions.
4786         (lower_rec_input_clauses): Remove dead code.
4787         (lower_oacc_reductions): Add support for reference reductions.
4788         (lower_reduction_clauses): Remove dead code.
4789         (lower_omp_target): Don't remap variables appearing in acc parallel
4790         reductions.
4791         * tree.h (OMP_CLAUSE_MAP_IN_REDUCTION): New macro.
4792
4793 2016-04-08  Jakub Jelinek  <jakub@redhat.com>
4794
4795         PR middle-end/70593
4796         * tree-ssa-coalesce.c (build_ssa_conflict_graph): For stmt
4797         with multiple SSA_NAME defs, force the outputs other than first
4798         to be live before calling live_track_process_def on each output.
4799
4800         PR rtl-optimization/70574
4801         * fwprop.c (forward_propagate_and_simplify): Don't add
4802         REG_EQUAL note if DF_REF_REG (use) is a paradoxical subreg.
4803         (try_fwprop_subst): Don't add REG_EQUAL note if there are any
4804         paradoxical subregs within *loc.
4805
4806 2016-04-08  Thomas Schwinge  <thomas@codesourcery.com>
4807
4808         * config/arc/arc.h (LINK_COMMAND_SPEC): Use gt to ignore
4809         -ftree-parallelize-loops={0,1}.
4810         * config/darwin.h (LINK_COMMAND_SPEC_A): Likewise.
4811         * config/i386/mingw32.h (GOMP_SELF_SPECS): Likewise.
4812         * config/ia64/hpux.h (LIB_SPEC): Likewise.
4813         * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
4814         * config/pa/pa64-hpux.h (LIB_SPEC): Likewise.
4815
4816 2016-04-08  Maxim Ostapenko  <m.ostapenko@samsung.com>
4817
4818         PR sanitizer/70541
4819         * asan.c (instrument_derefs): If we get unknown location, extract it
4820         with EXPR_LOCATION.
4821         (maybe_instrument_call): Instrument gimple_call's arguments if needed.
4822
4823 2016-04-08  Tom de Vries  <tom@codesourcery.com>
4824
4825         * omp-low.c (lower_omp_target): Set TREE_NO_WARNING for oacc
4826         implicit firstprivate clause.
4827
4828 2016-04-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4829
4830         PR target/70566
4831         * config/arm/thumb2.md (tst + branch-> lsls + branch
4832         peephole below *orsi_not_shiftsi_si): Require that condition
4833         register is dead after the peephole.
4834         (second peephole after the above): Likewise.
4835
4836 2016-04-08  Alan Modra  <amodra@gmail.com>
4837
4838         PR target/70117
4839         * builtins.c (fold_builtin_classify): For IBM extended precision,
4840         look at just the high-order double to test for NaN.
4841         (fold_builtin_interclass_mathfn): Similarly for Inf.  For isnormal
4842         test just the high double for Inf but both doubles for subnormal
4843         limit.
4844
4845 2016-04-07  Jakub Jelinek  <jakub@redhat.com>
4846
4847         * cgraph.h (struct cgraph_simd_clone): Add mask_mode field.
4848         * omp-low.c (simd_clone_init_simd_arrays, simd_clone_adjust): Handle
4849         node->simdclone->mask_mode != VOIDmode masks.
4850         (simd_clone_adjust_argument_types): Likewise.  Move sc var definition
4851         earlier, use it instead of node->simdclone.
4852         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
4853         Set clonei->mask_mode.
4854
4855 2016-04-06  Patrick Palka  <ppalka@gcc.gnu.org>
4856
4857         PR c/70436
4858         * parser.c (cp_parser_iteration_statement): New parameter IF_P.
4859         Pass it through to cp_parser_already_scoped_statement.
4860         (cp_parser_already_scoped_statement): New parameter IF_P.  Pass
4861         it through to cp_parser_statement.
4862         (cp_parser_statement): Pass IF_P through to
4863         cp_parser_iteration_statement.
4864         (cp_parser_pragma): Adjust call to
4865         cp_parser_iteration_statement.
4866
4867 2016-04-06  Patrick Palka  <ppalka@gcc.gnu.org>
4868
4869         PR c/70436
4870         * gimplify.c (gimplify_omp_ordered): Add explicit braces to
4871         resolve a future -Wparentheses warning.
4872         * omp-low.c (scan_sharing_clauses): Likewise.
4873         * tree-parloops.c (eliminate_local_variables): Likewise.
4874
4875 2016-04-06  Vladimir Makarov  <vmakarov@redhat.com>
4876
4877         PR rtl-optimization/70398
4878         * lra-constraints.c (process_address_1): Check zero scale and code
4879         for reloading with zero scale.
4880
4881 2016-04-06  Uros Bizjak  <ubizjak@gmail.com>
4882
4883         * config/i386/sse.md (shuffletype): Add V32HI and V4TI modes.
4884         (ssescalarsize): Add V8SF, V4SF, V4DF and V2DF modes.
4885
4886 2016-04-06  Jakub Jelinek  <jakub@redhat.com>
4887
4888         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
4889         Add support for AVX512F clones, include them by default for
4890         exported OpenMP declare simd functions.  For AVX2 allow simdlen 32
4891         and use it if charasteric type is 8-bit, for AVX512F allow simdlen
4892         up to 128.
4893
4894         PR middle-end/70550
4895         * tree.h (OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT): Define.
4896         * gimplify.c (gimplify_adjust_omp_clauses_1): Set it for implicit
4897         firstprivate clauses.
4898         * omp-low.c (lower_send_clauses): Set TREE_NO_WARNING for
4899         OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT !by_ref vars in task contexts.
4900         (lower_omp_target): Set TREE_NO_WARNING for
4901         non-addressable possibly uninitialized vars which are copied into
4902         addressable temporaries or copied for GOMP_MAP_FIRSTPRIVATE_INT.
4903
4904 2016-04-05  John David Anglin  <danglin@gcc.gnu.org>
4905
4906         * config/pa/predicates.md (integer_store_memory_operand): Accept
4907         REG+D operands with a large offset when reload_in_progress is true.
4908         (floating_point_store_memory_operand): Likewise.
4909
4910 2016-04-05  Jakub Jelinek  <jakub@redhat.com>
4911
4912         PR c++/70336
4913         * match.pd (nested int casts): Limit to GIMPLE.
4914
4915 2016-04-05  Jan Hubicka  <hubicka@ucw.cz>
4916
4917         PR ipa/66223
4918         * ipa-devirt.c (maybe_record_node): Fix comment; use
4919         SANITIZE_UNREACHABLE instead of SANITIZE_UNDEFINED.
4920
4921 2016-04-05  Jakub Jelinek  <jakub@redhat.com>
4922
4923         PR rtl-optimization/70542
4924         * ree.c (add_removable_extension): For VECTOR_MODE_P punt
4925         if there are any uses other than insn or debug insns.
4926
4927 2016-04-05  Marc Glisse  <marc.glisse@inria.fr>
4928             Jakub Jelinek  <jakub@redhat.com>
4929
4930         PR tree-optimization/70509
4931         * simplify-rtx.c (simplify_binary_operation_1) <case VEC_SELECT>:
4932         Shift HOST_WIDE_INT_1U instead of 1.
4933
4934 2016-04-05  Zdenek Sojka  <zsojka@seznam.cz>
4935
4936         PR tree-optimization/70509
4937         * tree-ssa-forwprop.c (simplify_bitfield_ref): Use bitsize_int instead
4938         of the vector base type for index.
4939
4940 2016-04-05  Uros Bizjak  <ubizjak@gmail.com>
4941
4942         PR target/70510
4943         * config/i386/sse.md (iptr): Add V64QI, V32HI, V16SI and V8DI modes.
4944
4945 2016-04-05  Richard Biener  <rguenther@suse.de>
4946
4947         PR tree-optimization/70526
4948         * tree-sra.c (build_ref_for_offset): Use prev_base to
4949         extract the alias pointer type.
4950
4951 2016-04-05  Richard Biener  <rguenther@suse.de>
4952
4953         * dse.c (struct store_info): Remove alias_set member.
4954         (struct read_info_type): Likewise.
4955         (clear_alias_group, clear_alias_mode_table, clear_alias_mode_holder,
4956         spill_deleted, clear_alias_set_lookup): Remove.
4957         (get_group_info): Remove dead base == NULL_RTX case.
4958         (dse_step0): Remove initialization of removed variables.
4959         (delete_dead_store_insn): Reomve alias set dumping.
4960         (free_read_records): Remove alias_set handling.
4961         (canon_address): Remove alias_set_out parameter.
4962         (record_store): Remove spill_alias_set, it's always zero.
4963         (check_mem_read_rtx): Likewise.
4964         (dse_step2): Rename from ...
4965         (dse_step2_nospill): ... this.  Adjust.
4966         (scan_stores): Rename from ...
4967         (scan_stores_nospill): ... this.
4968         (scan_reads): Rename from ...
4969         (scan_reads_nospill): ... this.
4970         (scan_stores_spill, scan_reads_spill): Remove.
4971         (dse_step3_scan): Remove for_spills argument which is always false.
4972         (dse_step3): Likewise.
4973         (dse_step5): Rename from ...
4974         (dse_step5_nospill): ... this.  Remove alias_set handling.
4975         (rest_of_handle_dse): Adjust.
4976
4977 2016-04-05  Jakub Jelinek  <jakub@redhat.com>
4978
4979         PR target/70525
4980         * config/i386/sse.md (*andnot<mode>3): Simplify assertions.
4981         Use vpandn<ssemodesuffix> for V16SI/V8DImode, vpandnq for
4982         V32HI/V64QImode, don't use <mask_operand3_1>, fix up formatting.
4983         (*andnot<mode>3_mask): Remove insn with VI12_AVX512VL iterator.
4984
4985 2016-04-05  Richard Biener  <rguenther@suse.de>
4986
4987         PR middle-end/70499
4988         * gimplify-me.c (gimple_regimplify_operands): Do not rewrite
4989         non-register type temporaries into SSA.
4990
4991 2016-04-04  Jan Hubicka  <hubicka@ucw.cz>
4992
4993         PR ipa/66223
4994         * ipa-devirt.c (maybe_record_node): Do not optimize cxa_pure_virtual
4995         calls when sanitizing.
4996         (possible_polymorphic_call_target_p): Fix formatting.
4997
4998 2016-04-04  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4999             Jakub Jelinek <jakub@redhat.com>
5000
5001         PR middle-end/70457
5002         * tree-inline.c (estimate_num_insn): Use gimple_call_builtin_p
5003         to ensure a call statement is compatible with a built-in's
5004         prototype.
5005         * tree-ssa-math-opts.c (pass_optimize_windening_mul::execute):
5006         Likewise.
5007
5008 2016-04-04  Richard Biener  <rguenther@suse.de>
5009
5010         PR rtl-optimization/70484
5011         * rtl.h (canon_output_dependence): Declare.
5012         * alias.c (canon_output_dependence): New function.
5013         * dse.c (record_store): Use canon_output_dependence rather
5014         than canon_true_dependence.
5015
5016 2016-03-30  Jan Hubicka  <hubicka@ucw.cz>
5017
5018         PR ipa/68881
5019         * cgraph.h (symtab_node::copy_visibility_from): New function.
5020         * symtab.c (symtab_node::copy_visibility_from): New function.
5021         * ipa-visibility.c (optimize_weakref): New function.
5022         (function_and_variable_visibility): Use it.
5023
5024 2016-04-04  Martin Liska  <mliska@suse.cz>
5025
5026         PR hsa/70402
5027         * hsa-gen.c (gen_hsa_insns_for_switch_stmt): Guard index
5028         value that is really in range handled by SBR instruction.
5029         * hsa-brig.c (emit_switch_insn): Do not emit unconditional jump.
5030         * hsa-dump.c (dump_hsa_insn_1): Do not dump default BB.
5031         * hsa.h (hsa_insn_sbr::m_default_bb): Remove field.
5032
5033 2016-04-03  Oleg Endo  <olegendo@gcc.gnu.org>
5034
5035         PR target/70416
5036         PR target/67391
5037         * config/sh/sh.md (*addsi3): Allow pattern when reload_in_progress is
5038         set, but not for SP_REG operands.
5039
5040 2016-04-02  Martin Sebor  <msebor@redhat.com>
5041
5042         PR c++/67376
5043         * fold-const.c (maybe_nonzero_address): New function.
5044         (fold_comparison): Call it.  Fold equality and relational
5045         expressions involving null pointers.
5046         (tree_single_nonzero_warnv_p): Call maybe_nonzero_address.
5047
5048 2016-03-31  Evandro Menezes  <e.menezes@samsung.com>
5049
5050         Fix the predicate "aarch64_simd_reg_or_zero" to correctly validate
5051         the "Y" constraint (scalar FP 0.0 immediate).
5052
5053         * gcc/config/aarch64/predicates.md (aarch64_simd_reg_or_zero):
5054         Add the "const_double" to the list of operand constraints.
5055
5056 2016-04-01  Jakub Jelinek  <jakub@redhat.com>
5057
5058         PR rtl-optimization/70467
5059         * config/i386/i386.md (*add<dwi>3_doubleword, *sub<dwi>3_doubleword):
5060         If low word of the last operand is 0, just emit addition/subtraction
5061         for the high word.
5062
5063 2016-04-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
5064
5065         PR target/70404
5066         * config/s390/s390.c (s390_expand_insv): Check for everything
5067         constant instead of just VOIDmode stuff.
5068
5069 2016-04-01  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
5070
5071         PR target/70496
5072         * config/arm/arm.h (ASM_APP_OFF): Handle TARGET_ARM and TARGET_THUMB.
5073
5074 2016-04-01  Nathan Sidwell  <nathan@acm.org>
5075
5076         * tree.def (TRY_CATCH_EXPR): Correct documentation.
5077
5078 2016-03-31  Vladimir Makarov  <vmakarov@redhat.com>
5079
5080         PR rtl-optimization/70461
5081         * ira-color.c (allocno_copy_cost_saving): Use allocno class if it
5082         is necessary.
5083
5084 2016-03-31  Martin Liska  <mliska@suse.cz>
5085
5086         PR hsa/70399
5087         * hsa-brig.c (hsa_op_immed::emit_to_buffer): Emit either
5088         a tree value or an immediate integer value to a buffer
5089         that is eventually copied to a BRIG section.
5090         (emit_immediate_operand): Call the function here.
5091         * hsa-dump.c (dump_hsa_immed): Remove checking assert.
5092         * hsa-gen.c (hsa_op_immed::hsa_op_immed): Remove initialization
5093         of class' fields that are removed.
5094         (hsa_op_immed::~hsa_op_immed): Remove deinitialization.
5095         * hsa.h (class hsa_op_immed): Remove m_brig_repr and
5096         m_brig_repr_size fields.
5097
5098 2016-03-31  Martin Liska  <mliska@suse.cz>
5099
5100         PR hsa/70391
5101         * hsa-gen.c (hsa_function_representation::update_dominance): New
5102         function.
5103         (convert_addr_to_flat_segment): Likewise.
5104         (gen_hsa_memory_set): New alignment argument.
5105         (gen_hsa_ctor_assignment): Likewise.
5106         (gen_hsa_insns_for_single_assignment): Provide alignment
5107         to gen_hsa_ctor_assignment.
5108         (gen_hsa_insns_for_direct_call): Add new argument.
5109         (expand_lhs_of_string_op): New function.
5110         (expand_string_operation_builtin): Likewise.
5111         (expand_memory_copy): New function.
5112         (expand_memory_set): New function.
5113         (gen_hsa_insns_for_call): Use HOST_WIDE_INT.
5114         (convert_switch_statements): Change signature.
5115         (generate_hsa): Use a return value of the function.
5116         (pass_gen_hsail::execute): Do not call
5117         convert_switch_statements here.
5118         * hsa-regalloc.c (hsa_regalloc): Call update_dominance.
5119         * hsa.h (hsa_function_representation::m_modified_cfg): New flag.
5120         (hsa_function_representation::update_dominance): New function.
5121
5122 2016-03-31  Martin Liska  <mliska@suse.cz>
5123
5124         PR hsa/70391
5125         * hsa-brig.c (emit_directive_variable): Emit alignment
5126         according to hsa_symbol::m_align.
5127         * hsa-dump.c (hsa_byte_alignment): Move the function to another file.
5128         (dump_hsa_symbol): Dump alignment of HSA symbols.
5129         * hsa-gen.c (get_symbol_for_decl): Set-up alignment of a symbol.
5130         (gen_hsa_addr_with_align): New function.
5131         (hsa_bitmemref_alignment): Use newly added function.
5132         (gen_hsa_insns_for_load): Likewise.
5133         (gen_hsa_insns_for_store): Likewise.
5134         (gen_hsa_memory_copy): New argument added.
5135         (gen_hsa_insns_for_single_assignment): Respect
5136         alignment for assignments processed via gen_hsa_memory_copy.
5137         (gen_hsa_insns_for_direct_call): Likewise.
5138         (gen_hsa_insns_for_return): Likewise.
5139         (gen_function_def_parameters): Set default alignment.
5140         * hsa.c (hsa_object_alignment): New function.
5141         (hsa_byte_alignment): Pasted function.
5142         * hsa.h (hsa_symbol::m_align): New field.
5143
5144 2016-03-31  Bin Cheng  <bin.cheng@arm.com>
5145
5146         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Initialize
5147         scratch field for goto case.
5148
5149 2016-03-31  James Greenhalgh  <james.greenhalgh@arm.com>
5150
5151         * config/arm/linux-elf.h (ASM_OUTPUT_DEF): Delete.
5152
5153 2016-03-31  Ilya Enkovich  <enkovich.gnu@gmail.com>
5154
5155         PR target/70442
5156         * config/i386/i386.c (scalar_chain::convert_op): Fix description.
5157         (scalar_chain::convert_insn): Call convert_op for reg
5158         moves to handle undefined registers.
5159
5160 2016-03-31  Nathan Sidwell  <nathan@acm.org>
5161
5162         PR c++/70393
5163         * varasm.c (output_constructor_regular_field): Flush bitfield earlier.
5164         Assert we don't want to move backwards.
5165
5166 2016-03-31  Kirill Yukhin  <kirill.yukhin@intel.com>
5167
5168         PR target/70453
5169         * config/i386/sse.md (define_mode_attr shuffletype): Fix typo.
5170
5171 2016-03-31  Jakub Jelinek  <jakub@redhat.com>
5172
5173         PR rtl-optimization/70460
5174         * ira.c (indirect_jump_optimize): Don't substitute LABEL_REF
5175         with operand from REG_LABEL_OPERAND, instead substitute
5176         SET_SRC or REG_EQUAL note content if it is a LABEL_REF.
5177         Don't do anything for REG_NON_LOCAL_GOTO jumps.
5178
5179 2016-03-31  Martin Liska  <mliska@suse.cz>
5180
5181         * passes.c (execute_one_pass): Do not call
5182         todo_after for a discarded function.
5183
5184 2016-03-31  Bin Cheng  <bin.cheng@arm.com>
5185
5186         * tree-ssa-loop-ivopts.c (struct comp_cost): New scrach field.
5187         (no_cost, infinite_cost): Initialize the new field.
5188         (get_computation_cost_at): Record setup cost.
5189         (determine_use_iv_cost_address): Skip cost computation for sub
5190         uses if we can estimate it without losing accuracy.
5191
5192 2016-03-30  Jan Hubicka  <hubicka@ucw.cz>
5193
5194         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can't get realistic
5195         estimates here.
5196         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
5197         max_loop_iterations_int.
5198         (tree_unswitch_outer_loop): Likewise.
5199         * tree-ssa-loop-ivopts.c (avg_loop_niter): Likewise.
5200         * tree-vect-loop.c (vect_analyze_loop_2): Likewise.
5201
5202 2016-03-30  Richard Biener  <rguenther@suse.de>
5203
5204         PR middle-end/70450
5205         * fold-const.c (extract_muldiv_1): Fix thinko in wide_int::from usage.
5206
5207 2016-03-30  Jakub Jelinek  <jakub@redhat.com>
5208
5209         PR target/70421
5210         * config/i386/i386.c (ix86_expand_vector_set): Fix up argument order
5211         in gen_blendm expander.
5212
5213 2016-03-30  Nick Clifton  <nickc@redhat.com>
5214
5215         PR target/62254
5216         * config/arm/arm.c (arm_reload_out_hi): Add code to handle the
5217         case where we are already provided with an SImode SUBREG.
5218
5219 2016-03-30  H.J. Lu  <hongjiu.lu@intel.com>
5220
5221         PR target/70439
5222         * config/i386/i386.c (ix86_expand_epilogue): Properly check
5223         conflict between DRAP register and __builtin_eh_return.
5224
5225 2016-03-30  Michael Matz  <matz@suse.de>
5226             Richard Biener  <rguenther@suse.de>
5227
5228         PR ipa/12392
5229         * ipa-polymorphic-call.c (struct type_change_info): Change
5230         speculative to an unsigned allowing to limit the work we do.
5231         (csftc_abort_walking_p): New inline function..
5232         (check_stmt_for_type_change): Limit the number of may-defs
5233         skipped for speculative devirtualization to
5234         max-speculative-devirt-maydefs.
5235         * params.def (max-speculative-devirt-maydefs): New param.
5236         * doc/invoke.texi (--param max-speculative-devirt-maydefs): Document.
5237
5238 2016-03-30  Mike Stump  <mrs@gcc.gnu.org>
5239
5240         PR target/63890
5241         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Use when profiling
5242         and TARGET_MACHO.
5243
5244 2016-03-30  Patrick Palka  <ppalka@gcc.gnu.org>
5245
5246         PR tree-optimization/59124
5247         * tree-vrp.c (register_edge_assert_for_2): For NAME != CST1
5248         where NAME = A +- CST2 add the assertion A != (CST1 -+ CST2).
5249
5250 2016-03-29  Jeff Law  <law@redhat.com>
5251
5252         * tree-ssa-coalesce.c (struct ssa_conflicts): Fix typo in comment.
5253
5254 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
5255
5256         * tree-ssa-loop-ivcanon.c (try_peel_loop): Change type of peel
5257         to HOST_WIDE_INT.
5258
5259 2016-03-29  Thomas Schwinge  <thomas@codesourcery.com>
5260
5261         * config/gnu.h (CPP_SPEC, LIB_SPEC): Don't override.
5262         * config/i386/gnu.h (STARTFILE_SPEC): Use gcrt1.o instead of
5263         gcrt0.o if linking dynamically.
5264
5265 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
5266
5267         PR ipa/70283
5268         * ipa-devirt.c (methods_equal_p): New function.
5269         (compare_virtual_tables): Use it.
5270         * cgraph.h (symbol_table::symbol_suffix_separator): Declare.
5271         * cgraphclones.c (clone_function_name_1): Use
5272         symbol_table::symbol_suffix_separator.
5273         * coverage.c (build_var): Likewise.
5274         * symtab.c (symbol_table::symbol_suffix_separator): New.
5275
5276 2016-03-29  Jakub Jelinek  <jakub@redhat.com>
5277
5278         PR rtl-optimization/70429
5279         * combine.c (simplify_shift_const_1): For ASHIFTRT don't optimize
5280         (cst1 >> count) >> cst2 into (cst1 >> cst2) >> count if
5281         mode != result_mode.
5282
5283         PR c++/70353
5284         * tree-inline.c (remap_decls): Don't add_local_decl if cfun is null.
5285
5286         PR tree-optimization/70405
5287         * ssa-iterators.h (num_imm_uses): Add missing braces.
5288
5289 2016-03-29  Vladimir Makarov  <vmakarov@redhat.com>
5290
5291         PR rtl-optimization/68695
5292         * ira-color.c (allocno_copy_cost_saving): New.
5293         (improve_allocation): Use it.
5294
5295 2016-03-29  Richard Henderson  <rth@redhat.com>
5296
5297         PR middle-end/70355
5298         * lower-subreg.c (simplify_subreg_concatn): Reject paradoxical subregs.
5299
5300 2016-03-29  Richard Biener  <rguenther@suse.de>
5301
5302         PR middle-end/70424
5303         * ipa-prop.c (ipa_compute_jump_functions_for_edge): Always
5304         use alignment returned by get_pointer_alignment_1 if it is
5305         bigger than BITS_PER_UNIT.
5306         * builtins.c (get_pointer_alignment_1): Do not return true
5307         for alignment extracted from SSA info.
5308
5309 2016-03-28  James Bowman  <james.bowman@ftdichip.com>
5310
5311         * config/ft32/ft32.opt (mnodiv): New.
5312         * config/ft32/ft32.md (*divsi3, *modsi3): Qualify with TARGET_NODIV.
5313         * doc/invoke.texi (FT32 Options -mnodiv): New.
5314
5315 2016-03-28  Kirill Yukhin  <kirill.yukhin@intel.com>
5316
5317         PR target/70406
5318         * config/i386/i386.md (define_split, andn): Fix modes.
5319
5320 2016-03-26  Richard Biener  <rguenther@suse.de>
5321             Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
5322
5323         PR ipa/70366
5324         * ipa-inline-transform.c (inline_call): Pass opts_for_fn (to->decl)
5325         instead of
5326         TREE_OPTIMIZATION (DECL_FUNCTION_SPECIFIC_OPTIMIZATION (to->decl))
5327         as 2nd argument to cl_optimization_restore().
5328
5329 2016-03-25  Richard Henderson  <rth@redhat.com>
5330
5331         PR target/70120
5332         * config/aarch64/aarch64.c (aarch64_asm_output_pool_epilogue): New.
5333         * config/aarch64/aarch64-protos.h: Declare it.
5334         * config/aarch64/aarch64.h (ASM_OUTPUT_POOL_EPILOGUE): New.
5335
5336 2016-03-25  Alan Modra  <amodra@gmail.com>
5337
5338         PR target/70052
5339         * config/rs6000/constraints.md (j): Simplify.
5340         * config/rs6000/predicates.md (easy_fp_constant): Exclude
5341         decimal float 0.D.
5342         * config/rs6000/rs6000.md (zero_fp): New mode_attr.
5343         (mov<mode>_hardfloat, mov<mode>_hardfloat32, mov<mode>_hardfloat64,
5344          mov<mode>_64bit_dm, mov<mode>_32bit): Use zero_fp in place of j
5345         in all constraint alternatives.
5346         (movtd_64bit_nodm): Delete "j" constraint alternative.
5347
5348 2016-03-24  Aldy Hernandez  <aldyh@redhat.com>
5349
5350         * tree-ssa-propagate.c: Enhance docs for
5351         SSA_PROP_NOT_INTERESTING.
5352
5353 2016-03-24  Aldy Hernandez  <aldyh@redhat.com>
5354
5355         * doc/extend.texi: Fix typo in documentation to pure attribute.
5356
5357 2016-03-24  John David Anglin  <danglin@gcc.gnu.org>
5358
5359         PR target/70319
5360         * config/pa/pa.md (bswapdi2): Use a scratch register.
5361
5362 2016-03-24  Richard Henderson  <rth@redhat.com>
5363
5364         PR middle-end/69845
5365         * fold-const.c (extract_muldiv_1): Correct test for multiplication
5366         overflow.
5367
5368 2016-03-24  Uros Bizjak  <ubizjak@gmail.com>
5369
5370         * config/i386/i386.md (*anddi3_doubleword): Generate AND insn
5371         using ix86_expand_binary_operator instead of gen_andsi3.
5372
5373 2016-03-24  Richard Biener  <rguenther@suse.de>
5374
5375         PR tree-optimization/70396
5376         * tree-vect-stmts.c (vectorizable_comparison): Use
5377         get_vectype_for_scalar_type.
5378
5379 2016-03-24  Richard Biener  <rguenther@suse.de>
5380
5381         PR middle-end/70370
5382         * gimplify.c (gimplify_asm_expr): Handle !allows_mem outputs
5383         with register bases.
5384
5385 2016-03-24  Richard Biener  <rguenther@suse.de>
5386
5387         PR tree-optimization/70372
5388         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Use
5389         build_all_ones_cst to also handle vector types correctly.
5390
5391 2016-03-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
5392
5393         PR target/70381
5394         * config/rs6000/rs6000-cpus.def (ISA_2_6_MASKS_SERVER): Do not set
5395         -mfloat128 here.
5396
5397 2016-03-23  Marek Polacek  <polacek@redhat.com>
5398
5399         PR c++/69884
5400         * doc/invoke.texi: Document -Wignored-attributes.
5401
5402 2016-03-23  Bin Cheng  <bin.cheng@arm.com>
5403
5404         PR tree-optimization/69042
5405         * params.def (PARAM_IV_CONSIDER_ALL_CANDIDATES_BOUND): Increase the
5406         parameter from 30 to 40.
5407
5408 2016-03-23  Bin Cheng  <bin.cheng@arm.com>
5409
5410         PR tree-optimization/69042
5411         * tree-ssa-loop-ivopts.c (add_iv_candidate_for_use): Add IV cand
5412         for use with constant offset stripped in base.
5413
5414 2016-03-23  Richard Biener  <rguenther@suse.de>
5415
5416         PR middle-end/70251
5417         * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Adjust
5418         mode compatibility check.
5419         (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
5420
5421 2016-03-23  Jeff Law  <law@redhat.com>
5422
5423         PR tree-optimization/64058
5424         * tree-ssa-coalesce.c (struct coalesce_pair): Add new field
5425         CONFLICT_COUNT.
5426         (struct ssa_conflicts): Move up earlier in the file.
5427         (conflicts_, var_map_): New static variables.
5428         (initialize_conflict_count): New function to initialize the
5429         CONFLICT_COUNT field for each conflict pair.
5430         (compare_pairs): Lazily initialize the conflict count and use it
5431         as the first tie-breaker.
5432         (sort_coalesce_list): Add new arguments conflicts, map.  Initialize
5433         and wipe conflicts_ and map_ around the call to qsort.  Remove
5434         special case for 2 coalesce pairs.
5435         * bitmap.c (bitmap_count_unique_bits): New function.
5436         (bitmap_count_bits_in_word): New function, extracted from
5437         bitmap_count_bits.
5438         (bitmap_count_bits): Use bitmap_count_bits_in_word.
5439         * bitmap.h (bitmap_count_unique_bits): Declare it.
5440
5441 2016-03-23  Ilya Enkovich  <enkovich.gnu@gmail.com>
5442
5443         PR target/69917
5444         * config/i386/sol2.h (ASM_OUTPUT_DEF_FROM_DECLS): Follow
5445         transparent alias chain for decl assembler name.
5446         * config/sol2.c (solaris_assemble_visibility): Likewise.
5447
5448 2016-03-23  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5449
5450         * config/arm/arm1020e.md (1020call_op): Reduce reservation
5451         duration.
5452         (v10_fdivs): Likewise.
5453         (v10_fdivd): Likewise.
5454
5455 2016-03-23  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5456
5457         PR driver/70132
5458         * config/arm/driver-arm.c (host_detect_local_cpu): Reorder exit logic
5459         to not call fclose twice on file.
5460
5461 2016-03-23  Jakub Jelinek  <jakub@redhat.com>
5462
5463         PR tree-optimization/70354
5464         * tree-vect-patterns.c (vect_recog_vector_vector_shift_pattern): If
5465         oprnd0 is wider than oprnd1 and there is a cast from the wider
5466         type to oprnd1, mask it with the mask of the narrower type.
5467
5468         PR target/70321
5469         * config/i386/i386.md (*anddi3_doubleword, *<code>di3_doubleword):
5470         Optimize TARGET_STV splitters, if high or low word of last argument
5471         is 0 or -1.
5472
5473 2016-03-22  Jeff Law  <law@redhat.com>
5474
5475         PR target/70232
5476         tree-ssa-threadbackward.c
5477         (fsm_find_control_statement_thread_paths): Correctly distinguish
5478         between old style jump threads vs FSM jump threads.
5479
5480 2016-03-22  Ilya Enkovich  <enkovich.gnu@gmail.com>
5481
5482         PR target/70302
5483         * config/i386/i386.c (scalar_chain::convert_op): Support
5484         uninitialized register usage case.
5485
5486 2016-03-22  Richard Biener  <rguenther@suse.de>
5487
5488         PR middle-end/70251
5489         * genmatch.c (gen_transform): Adjust last parameter to a three-state
5490         int...
5491         (capture::gen_transform): ... to change behavior when substituting
5492         a condition into cond or not-cond expr context.
5493         (dt_simplify::gen_1): Adjust.
5494         * gimple-match-head.c: Include gimplify.h for unshare_expr.
5495         * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Revert
5496         last change and instead change to
5497         A + (B vcmp C ? 1 : 0) -> A - (B vcmp C ? -1 : 0).
5498         (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
5499
5500 2016-03-22  Anthony Green  <green@moxielogic.com>
5501
5502         * config/moxie/moxiebox.h (CC1_SPEC): Define.  Fix endianness
5503         issue for moxiebox targets.
5504         (CC1PLUS_SPEC): Ditto.
5505
5506 2016-03-22  Richard Biener  <rguenther@suse.de>
5507
5508         PR middle-end/70333
5509         * fold-const.c (extract_muldiv_1): Properly perform multiplication
5510         in the wide type.
5511
5512 2016-03-22  Kirill Yukhin  <kirill.yukhin@intel.com>
5513
5514         * config/i386/i386.c (def_builtin): Remove duplicated functionality.
5515
5516 2016-03-22  Kirill Yukhin  <kirill.yukhin@intel.com>
5517
5518         PR target/70325
5519         * config/i386/i386.c (def_builtin): Handle
5520         OPTION_MASK_ISA_AVX512VL to be and-ed with other
5521         bits.
5522         (const struct builtin_description bdesc_special_args[]):
5523         Remove duplicate ISA bits.
5524
5525 2016-03-22  Jakub Jelinek  <jakub@redhat.com>
5526
5527         PR target/70329
5528         * config/i386/i386.c (ix86_expand_vecop_qihi): Don't bother computing
5529         d.perm[i] for i >= d.nelt.  If not full_interleave, compute d.perm[i]
5530         in a way that works also for AVX512BW.
5531
5532         PR target/70300
5533         * config/i386/i386.md (cvtsd2ss splitter): Unpack in destination
5534         instead of source if operands[1] is xmm16 and above and
5535         !TARGET_AVX512VL.  Use avx512f_vec_dupv16sf_1 instead of
5536         vec_interleave_lowv4sf if we need to unpack xmm16 and above.
5537
5538         PR c++/70295
5539         * gimplify.c (gimplify_modify_expr): Call gimple_set_no_warning
5540         on assign if (*from_p) is a comparison, set it to
5541         TREE_NO_WARNING (*from_p).
5542
5543 2016-03-21  Jakub Jelinek  <jakub@redhat.com>
5544
5545         PR middle-end/70326
5546         * lra.c (restore_scratches): Ignore deleted insns.
5547
5548 2016-03-21  Marc Glisse  <marc.glisse@inria.fr>
5549             Jakub Jelinek  <jakub@redhat.com>
5550
5551         PR tree-optimization/70317
5552         * match.pd (cmp @0 @0): Pass @0 instead of TYPE_MODE (TREE_TYPE (@0))
5553         to HONOR_NANS.
5554
5555 2016-03-21  Uros Bizjak  <ubizjak@gmail.com>
5556
5557         PR target/70327
5558         * config/i386/i386.md (movxi): Use ix86_expand_vector_move instead
5559         of ix86_expand_move.
5560         (movoi): Ditto.
5561         (movti): Use general_operand for operand 1 predicate.
5562
5563 2016-03-21  Martin Liska  <mliska@suse.cz>
5564
5565         * hsa-dump.c (dump_hsa_insn_1): dump default branch of SBR
5566         insns.
5567         (dump_hsa_symbol): Dump BRIG offset of hsa_symbols.
5568
5569 2016-03-21  Martin Liska  <mliska@suse.cz>
5570
5571         PR ipa/70306
5572         * ipa-icf.c (sem_function::parse): Skip static
5573         constructors and destructors.
5574
5575 2016-03-21  Jakub Jelinek  <jakub@redhat.com>
5576
5577         PR target/70296
5578         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If IDENT is
5579         function-like macro, peek following token(s) if it is followed
5580         by CPP_OPEN_PAREN token with optional padding in between, and
5581         if not, don't treat it like a macro.
5582
5583 2016-03-21  Thomas Schwinge  <thomas@codesourcery.com>
5584             Alexander Monakov  <amonakov@ispras.ru>
5585
5586         * config/nvptx/nvptx.c (nvptx_option_override): Don't emit sorry
5587         for the stabs debug format.
5588
5589 2016-03-21  Richard Biener  <rguenther@suse.de>
5590
5591         PR tree-optimization/70310
5592         * tree-vect-generic.c (expand_vector_condition): Fold the built
5593         condition.
5594
5595 2016-03-21  Kirill Yukhin  <kirill.yukhin@intel.com>
5596
5597         PR target/70293
5598         * config/i386/sse.md: (define_insn "*vec_dup<mode>"/AVX2):
5599         Block third alternative for AVX-512VL target,
5600
5601 2016-03-21  Martin Liska  <mliska@suse.cz>
5602
5603         PR hsa/70234
5604         * hsa-brig.c (emit_function_directives): Mark unemitted
5605         global variables for emission.
5606         * hsa-gen.c (hsa_symbol::hsa_symbol): Initialize a new flag.
5607         (get_symbol_for_decl): Likewise.
5608         * hsa.h (struct hsa_symbol): New flag.
5609
5610 2016-03-21  Richard Biener  <rguenther@suse.de>
5611
5612         PR tree-optimization/70288
5613         * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Make sure
5614         we do not estimate unsimplified all-constant conditionals or
5615         switches as optimized away.
5616
5617 2016-03-21  Andrey Belevantsev  <abel@ispras.ru>
5618
5619         PR rtl-optimization/69102
5620         * sched-deps.c (sched_analyze_insn): Do not set last_args_size field
5621         when we have a readonly dependency context.
5622
5623 2016-03-18  Jeff Law  <law@redhat.com>
5624
5625         PR rtl-optimization/70263
5626         * ira.c (memref_used_between_p): Assert we found END in the insn chain.
5627         (update_equiv_regs): When trying to move a store to after the insn
5628         that sets the source of the store, make sure the store occurs after
5629         the insn that sets the source of the store.  When successful note
5630         the REG_EQUIV note created in the dump file.
5631
5632 2016-03-16  David Wohlferd  <dw@LimeGreenSocks.com>
5633             Bernd Schmidt  <bschmidt@redhat.com>
5634
5635         * doc/extend.texi: Document more potential problems with basic asms.
5636
5637 2016-03-18  Bernd Schmidt  <bschmidt@redhat.com>
5638
5639         PR rtl-optimization/70278
5640         * lra-constraints.c (split_reg): Handle the case where biggest_mode is
5641         VOIDmode.
5642
5643 2016-03-18  Jason Merrill  <jason@redhat.com>
5644
5645         * calls.c (load_register_parameters): Fix zero size sibcall logic.
5646
5647 2016-03-18  Kirill Yukhin  <kirill.yukhin@intel.com>
5648
5649         * config/i386/sse.md: Use vpbroadcastq for broadcasting DF
5650         values to 128b regs.
5651
5652 2016-03-18  Ilya Enkovich  <enkovich.gnu@gmail.com>
5653
5654         PR tree-optimization/70252
5655         * tree-vect-stmts.c (supportable_widening_operation): Check resulting
5656         boolean vector has a proper number of elements.
5657         (supportable_narrowing_operation): Likewise.
5658
5659 2016-03-18  Tom de Vries  <tom@codesourcery.com>
5660
5661         PR ipa/70269
5662         * cgraph.c (cgraph_node::get_body): Set dump_file to NULL after save.
5663
5664 2016-03-18  Jakub Jelinek  <jakub@redhat.com>
5665
5666         * reload1.c (emit_input_reload_insns): Use simplify_replace_rtx
5667         instead of replace_rtx for DEBUG_INSNs.
5668
5669 2016-03-18  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
5670
5671         * config/i386/znver1.md : Fix latencies of FP/SSE/AVX
5672         load type reservations.
5673
5674 2016-03-17  John David Anglin  <danglin@gcc.gnu.org>
5675
5676         PR target/70188
5677         * config/pa/constraints.md: Revert 2015-02-13 change.  Use
5678         define_constraint for "Q" and "T" constraints.
5679
5680 2016-03-17  Evandro Menezes  <e.menezes@samsung.com>
5681
5682         Tweak the pipeline model for Exynos M1
5683
5684         * config/aarch64/aarch64.c (exynosm1_tunings):  Enable weak prefetching
5685         model.
5686
5687 2016-03-17  David Malcolm  <dmalcolm@redhat.com>
5688
5689         PR c/70264
5690         * diagnostic-show-locus.c (compatible_locations_p): Handle the case
5691         where one or both locations aren't within a line_map.
5692
5693 2016-03-17  H.J. Lu  <hongjiu.lu@intel.com>
5694
5695         PR driver/70192
5696         * opts.c (finish_options): Don't set flag_pie to the default if
5697         -fpic, -fPIC, -fno-pic or -fno-PIC is used.  Set flag_pic to 0
5698         if it is -1.
5699
5700 2016-03-17  Joern Rennecke  <joern.rennecke@embecosm.com>
5701
5702         * config/i386/i386.md (*movv4qicc_insn+1..36): Pass
5703         true as ALL_REGS argument to replace_rtx.
5704
5705 2016-03-17  Richard Biener  <rguenther@suse.de>
5706
5707         PR debug/70271
5708         * dwarf2out.c (dwarf2out_early_finish): Process deferred_asm_name
5709         last.
5710
5711 2016-03-17  Jakub Jelinek  <jakub@redhat.com>
5712
5713         PR target/70245
5714         * rtl.h (replace_rtx): Add ALL_REGS argument.
5715         * rtlanal.c (replace_rtx): Likewise.  If true, use REGNO
5716         equality and assert mode is the same, instead of just rtx pointer
5717         equality.
5718         * config/i386/i386.md (mov + arithmetics with load peephole): Pass
5719         true as ALL_REGS argument to replace_rtx.
5720
5721 2016-03-17  Ilya Enkovich  <enkovich.gnu@gmail.com>
5722
5723         * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Apply
5724         for boolean vector with vector mode only.
5725         (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
5726
5727 2016-03-17  Nick Clifton  <nickc@redhat.com>
5728
5729         PR target/70162
5730         * config/rx/rx.c (rx_print_integer): Print negative constants in
5731         decimal.
5732
5733 2016-03-17  Jakub Jelinek  <jakub@redhat.com>
5734
5735         PR target/70261
5736         * rtlanal.c (replace_rtx): Revert 2016-03-16 change.
5737
5738 2016-03-16  Richard Henderson  <rth@redhat.com>
5739             Richard Biener  <rguenth@suse.de>
5740
5741         PR middle-end/70240
5742         PR middle-end/68215
5743         PR tree-opt/68714
5744         * gimplify.c (gimplify_expr) [VEC_COND_EXPR]: Gimplify the
5745         first operand as is_gimple_condexpr.
5746
5747         PR middle-end/70240
5748         PR middle-end/68215
5749         Revert r231575
5750         2015-12-11  Eric Botcazou  <ebotcazou@adacore.com>
5751         * tree-vect-generic.c (tree_vec_extract): Remove GSI parameter.
5752         Do not gimplify the result.
5753         (do_unop): Adjust call to tree_vec_extract.
5754         (do_binop): Likewise.
5755         (do_compare): Likewise.
5756         (do_plus_minus): Likewise.
5757         (do_negate): Likewise.
5758         (expand_vector_condition): Likewise.
5759         (do_cond): Likewise.
5760
5761 2016-03-16  Richard Henderson  <rth@redhat.com>
5762
5763         PR target/70048
5764         * config/aarch64/aarch64.c (virt_or_elim_regno_p): New.
5765         (aarch64_classify_address): Use it.
5766         (aarch64_legitimize_address): Force all subexpressions of PLUS
5767         into registers.  Simplify as (sfp+const)+reg or (reg+reg)+const.
5768
5769 2016-03-16  Jakub Jelinek  <jakub@redhat.com>
5770             Richard Biener  <rguenth@suse.de>
5771
5772         PR target/70245
5773         * rtlanal.c (replace_rtx): For REG, if from is a REG,
5774         return to even if only REGNO is equal, and assert
5775         mode is the same.
5776
5777 2016-03-11  Jeff Law  <law@redhat.com>
5778
5779         PR rtl-optimization/70224
5780         * reorg.c (relax_delay_slots): Pass right argument to CROSSING_JUMP_P.
5781
5782 2016-03-16  Richard Henderson  <rth@redhat.com>
5783
5784         PR middle-end/70199
5785         * function.h (struct function): Add has_forced_label_in_static.
5786         * gimplify.c (force_labels_r): Set it.
5787         * lto-streamer-in.c (input_struct_function_base): Read it.
5788         * lto-streamer-out.c (output_struct_function_base): Write it.
5789         * tree-inline.c (has_label_address_in_static_1): Remove.
5790         (copy_forbidden): Remove fndecl parameter; test
5791         has_forced_label_in_static.
5792         (inline_forbidden_p): Update call to copy_forbidden.
5793         (tree_versionable_function_p): Likewise.
5794         * ipa-chkp.c (chkp_instrumentable_p): Likewise.
5795         (chkp_versioning): Likewise.
5796         * tree-inline.h (copy_forbidden): Update decl.
5797
5798 2016-03-16  Marek Polacek  <polacek@redhat.com>
5799
5800         PR c/70093
5801         * cgraphunit.c (cgraph_node::expand_thunk): Also build call to the
5802         function being thunked if the result type doesn't have fixed size.
5803         * gimplify.c (gimplify_modify_expr): Also set LHS if the result type
5804         doesn't have fixed size.
5805
5806 2016-03-16  Bin Cheng  <bin.cheng@arm.com>
5807
5808         * tree-vect-loop.c (vect_analyze_loop_2): Fix wrong dump info by
5809         reporting malformed loop nest.
5810
5811 2016-03-16  Tom de Vries  <tom@codesourcery.com>
5812
5813         PR lto/70187
5814         * ipa-devirt.c (possible_polymorphic_call_targets): Move
5815         nodes.length () == 1 test to before first nodes[0] access.
5816
5817 2016-03-16  Tom de Vries  <tom@codesourcery.com>
5818
5819         PR tree-optimization/68715
5820         * graphite-scop-detection.c (scop_detection::merge_sese): Add missing
5821         single_pred_p test.
5822
5823 2016-03-16  Tom de Vries  <tom@codesourcery.com>
5824
5825         PR tree-optimization/68809
5826         * graphite-scop-detection.c (same_close_phi_node): Test if result types
5827         are the same.
5828
5829 2016-03-16  Carlos O'Donell  <carlos@redhat.com>
5830             Sandra Loosemore  <sandra@codesourcery.com>
5831
5832         * doc/extend.texi (Common Function Attributes): Describe ifunc impact
5833         on leaf attribute. Mention ELF interposition problems.
5834
5835 2016-03-16  Alan Modra  <amodra@gmail.com>
5836
5837         PR rtl-optimization/69195
5838         PR rtl-optimization/47992
5839         * ira.c (indirect_jump_optimize): Ignore artificial defs.
5840         Add comments.
5841
5842 2016-03-15  Eric Botcazou  <ebotcazou@adacore.com>
5843
5844         PR bootstrap/69513
5845         * dwarf2out.c (flush_limbo_die_list): Really flush the limbo list.
5846
5847 2016-03-15  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
5848
5849         * config/avr/avr.md (rotl<mode>3): Set mode for operand 2.
5850
5851 2016-03-15  Jakub Jelinek  <jakub@redhat.com>
5852
5853         PR rtl-optimization/70222
5854         * combine.c (simplify_shift_const_1): For A >> B >> C LSHIFTRT
5855         optimization if mode is different from result_mode, queue up masking
5856         of the result in outer_op.  Formatting fix.
5857
5858         PR middle-end/70239
5859         * tree-ssa-sccvn.c (VN_INFO_GET): Use safe_grow_cleared instead
5860         of safe_grow.
5861
5862 2016-03-15  Andrey Belevantsev  <abel@ispras.ru>
5863
5864         PR rtl-optimization/69032
5865         * sel-sched-ir.c (get_seqno_by_preds): Include both insn and head when
5866         looping backwards over basic block insns.
5867
5868 2016-03-15  Andrey Belevantsev  <abel@ispras.ru>
5869
5870         PR target/66660
5871         * sel-sched-ir.c (merge_expr): Avoid changing the speculative pattern
5872         to non-speculative when propagating trap bits.
5873
5874 2016-03-15  Andrey Belevantsev  <abel@ispras.ru>
5875
5876         PR rtl-optimization/63384
5877         * sel-sched.c (invoke_aftermath_hooks): Do not decrease issue_more on
5878         DEBUG_INSN_P insns.
5879
5880 2016-03-15  Andrey Belevantsev  <abel@ispras.ru>
5881
5882         PR target/64411
5883         * sched-deps.c (get_implicit_reg_pending_clobbers): New function,
5884         factored out from ...
5885         (sched_analyze_insn): ... here.
5886         * sched-int.h (get_implicit_reg_pending_clobbers): Declare it.
5887         * sel-sched-ir.c (setup_id_implicit_regs): New function, use
5888         get_implicit_reg_pending_clobbers in it.
5889         (setup_id_reg_sets): Use setup_id_implicit_regs.
5890         (deps_init_id): Ditto.
5891
5892 2016-03-15  Tom de Vries  <tom@codesourcery.com>
5893
5894         PR ipa/70161
5895         * cgraph.c (cgraph_node::get_body): Save, reset and restore
5896         dump_file_name.
5897         * passes.c (execute_one_ipa_transform_pass): Add missing argument to
5898         execute_function_dump.
5899         (execute_one_pass): Don't dump function if it will be dumped after ipa
5900         transform.
5901
5902 2016-03-15  Segher Boessenkool  <segher@kernel.crashing.org>
5903
5904         * genrecog.c (match_pattern_2): If pred is NULL don't call
5905         safe_predicate_mode on it.
5906
5907 2016-03-14  Jakub Jelinek  <jakub@redhat.com>
5908
5909         PR middle-end/70219
5910         * lra-constraints.c (delete_move_and_clobber): Change assertion
5911         to also allow dregno == 0.
5912
5913 2016-03-14  Richard Henderson  <rth@redhat.com>
5914
5915         PR tree-opt/68714
5916         * tree-ssa-reassoc.c (ovce_extract_ops, optimize_vec_cond_expr): New.
5917         (can_reassociate_p): Allow ANY_INTEGRAL_TYPE_P.
5918         (reassociate_bb): Use optimize_vec_cond_expr; avoid
5919         optimize_range_tests, attempt_builtin_copysign and attempt_builtin_powi
5920         on vectors.
5921
5922 2016-03-14  Bernd Schmidt  <bschmidt@redhat.com>
5923
5924         PR target/70083
5925         * lra-lives.c (process_bb_lives): Also update biggest mode for hard
5926         regs.
5927         (lra_create_live_ranges_1): initialize hard register biggest_mode to
5928         VOIDmode.
5929         * lra-constraints.c (split_reg): For hard regs, try to find the
5930         biggest single-register mode used in the function.
5931
5932 2016-03-14  Richard Biener  <rguenther@suse.de>
5933
5934         PR tree-optimization/56365
5935         * tree-ssa-phiopt.c (minmax_replacement): Handle alternate
5936         constants to compare against.
5937
5938 2016-03-14  Segher Boessenkool  <segher@kernel.crashing.org>
5939
5940         PR target/70098
5941         * config/rs6000/rs6000.md (*ctr<mode>_internal1, *ctr<mode>_internal2,
5942         *ctr<mode>_internal5, *ctr<mode>_internal6): Also allow "d" as output.
5943         (define_split for the GPR case): Use int_reg_operand instead of
5944         gpc_reg_operand for the output.
5945
5946 2016-03-14  Tom de Vries  <tom@codesourcery.com>
5947
5948         PR tree-optimization/70045
5949         * graphite-isl-ast-to-gimple.c (graphite_create_new_loop_guard): Unshare
5950         create_empty_if_region_on_edge argument.
5951
5952 2016-03-13  Eric Botcazou  <ebotcazou@adacore.com>
5953
5954         * config/arm/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Define.
5955         (STACK_CHECK_PROTECT): Likewise.
5956         * config/i386/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise
5957         (STACK_CHECK_PROTECT): Likewise.
5958         * config/rs6000/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise
5959         (STACK_CHECK_PROTECT): Likewise.
5960         * config/rs6000/vxworksae.h (STACK_CHECK_PROTECT): Likewise.
5961         * config/sparc/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise.
5962         (STACK_CHECK_PROTECT): Likewise.
5963
5964 2016-03-12  Andrey Belevantsev  <abel@ispras.ru>
5965
5966         PR rtl-optimization/69307
5967         * sel-sched.c (choose_best_pseudo_reg): Properly check for hard
5968         registers in modes that span more than one register.
5969
5970 2016-03-12  Vladimir Makarov  <vmakarov@redhat.com>
5971
5972         PR target/69614
5973         * lra-constraints.c (delete_move_and_clobber): New.
5974         (remove_inheritance_pseudos): Use it.
5975
5976 2016-03-12  Eric Botcazou  <ebotcazou@adacore.com>
5977
5978         PR ada/70017
5979         * calls.c (emit_library_call_value_1): Clear the ECF_NOTHROW flag if
5980         the libcall is LCT_THROW.
5981         * explow.c (probe_stack_range): Pass LCT_THROW to emit_library_call
5982         for the checking routine.
5983
5984 2016-03-11  Michael Meissner  <meissner@linux.vnet.ibm.com>
5985
5986         PR target/70131
5987         * config/rs6000/rs6000.md (round32<mode>2_fprs): Do not do the
5988         optimization if we have direct move.
5989         (roundu32<mode>2_fprs): Likewise.
5990
5991 2016-03-11  Bernd Schmidt  <bschmidt@redhat.com>
5992
5993         PR target/70123
5994         * lra-remat.c (operand_to_remat): Disallow hard regs in the value t
5995         be rematerialized.
5996         (reg_overlap_for_remat_p): Renamed from input_regno_present_p.
5997         Arguments swapped.  All callers changed.  Take reg_renumber into
5998         account, and Calculate and compare register ranges for hard regs.
5999
6000 2016-03-11  Jeff Law  <law@redhat.com>
6001
6002         PR tree-optimization/70190
6003         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
6004         Handle cases where we can not extract the taken edge, even though we
6005         found a constant value.
6006
6007         PR tree-optimization/64058
6008         * tree-ssa-coalesce.c (struct coalesce_pair): Add new field INDEX.
6009         (num_coalesce_pairs): Move up earlier in file.
6010         (find_coalesce_pair): Initialize the INDEX field for each pair
6011         discovered.
6012         (compare_pairs): No longer sort on the elements in each pair.
6013         Instead break ties with the index of the coalesce pair.
6014
6015 2016-03-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6016
6017         PR target/70002
6018         * config/aarch64/aarch64-protos.h
6019         (aarch64_save_restore_target_globals): New prototype.
6020         * config/aarch64/aarch64-c.c (aarch64_pragma_target_parse):
6021         Call the above when popping pragma.
6022         * config/aarch64/aarch64.c (aarch64_save_restore_target_globals):
6023         New function.
6024         (aarch64_set_current_function): Rewrite using the above.
6025
6026 2016-03-11  Jakub Jelinek  <jakub@redhat.com>
6027
6028         PR tree-optimization/70177
6029         * gimple-expr.h (extract_ops_from_tree_1): Renamed to ...
6030         (extract_ops_from_tree): ... this.  In the 2 argument
6031         overload remove _1 suffix.
6032         * gimple-expr.c (extract_ops_from_tree_1): Renamed to ...
6033         (extract_ops_from_tree): ... this.
6034         * gimple.c (gimple_build_assign, gimple_assign_set_rhs_from_tree):
6035         Adjust callers.
6036         * tree-ssa-loop-niter.c (derive_constant_upper_bound): Likewise.
6037         * tree-ssa-forwprop.c (defcodefor_name): Call 3 operand
6038         extract_ops_from_tree instead of 2 operand one.
6039
6040 2016-03-11  Alan Lawrence  <alan.lawrence@arm.com>
6041
6042         PR tree-optimization/70013
6043         * tree-sra.c (analyze_access_subtree): Also set grp_unscalarized_data
6044         for constant-pool entries.
6045
6046 2016-03-11  Jakub Jelinek  <jakub@redhat.com>
6047
6048         PR rtl-optimization/70174
6049         * expmed.c (store_bit_field_using_insv): Use gen_lowpart_if_possible
6050         followed by gen_lowpart on force_reg instead of just gen_lowpart.
6051
6052         PR tree-optimization/70169
6053         * tree-ssa-loop.c (gen_lsm_tmp_name): Handle FUNCTION_DECL and
6054         LABEL_DECL like VAR_DECL.  Emit nothing instead of gcc_unreachable
6055         for unknown codes.
6056
6057 2016-03-11  Ilya Enkovich  <enkovich.gnu@gmail.com>
6058             Jakub Jelinek  <jakub@redhat.com>
6059
6060         PR target/70160
6061         * config/i386/i386.c (scalar_chain::convert_reg): Skip uses
6062         of uninitialized values.
6063
6064 2016-03-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
6065
6066         * config/s390/s390.md ("trunctddd2"): Turn former define_insn into
6067         define_expand.
6068         ("*trunctddd2"): New pattern definition.
6069         ("trunctdsd2"): Set prep_for_short_prec rounding mode for the
6070         TD->DD truncation.
6071
6072 2016-03-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
6073
6074         * config/s390/s390.md (BFP_RND_*, DFP_RND_*): Add new constant
6075         definitions for BFP and DFP rounding modes.
6076         ("fixuns_truncdddi2", "fixuns_trunctddi2")
6077         ("fixuns_trunc<BFP:mode><GPR:mode>2", "fixuns_trunc<mode>si2")
6078         ("fix_trunc<DSF:mode><GPR:mode>2", "fix_trunc<mode>di2")
6079         ("fix_trunctf<mode>2"): Use the new constants instead of magic
6080         numbers.
6081
6082 2016-03-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
6083
6084         * config/s390/constraints.md: Adjust comment.
6085         ("Y"): Adjust comment.  Rename s390_decompose_shift_count to
6086         s390_decompose_addrstyle_without_index.
6087         * config/s390/predicates.md (shift_count_or_setmem_operand):
6088         Rename to setmem_operand.
6089         * config/s390/s390-protos.h
6090         (s390_decompose_shift_count): Rename to
6091         s390_decompose_addrstyle_without_index.
6092         * config/s390/s390.c (s390_decompose_shift_count)
6093         (s390_mem_constraint, print_shift_count_operand)
6094         (print_operand_address, print_operand): Rename
6095         s390_decompose_shift_count to
6096         s390_decompose_addrstyle_without_index and rename
6097         print_shift_count_operand to print_addrstyle_operand troughout the
6098         file.
6099         * config/s390/s390.md ("setmem_long_<P:mode>", "*setmem_long")
6100         ("*setmem_long_and", "*setmem_long_31z", "*setmem_long_and_31z"):
6101         Rename shift_count_or_setmem_operand to setmem_operand.
6102         * config/s390/vx-builtins.md ("vec_insert<mode>")
6103         ("vec_promote<mode>"): Replace shift_count_or_setmem_operand with
6104         nonmemory_operand.
6105
6106 2016-03-10  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
6107
6108         PR target/70168
6109         * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap):
6110         Handle overlapping retval and newval.
6111
6112 2016-03-10  Nick Clifton  <nickc@redhat.com>
6113
6114         PR target/7044
6115         * config/aarch64/aarch64.c
6116         (aarch64_override_options_after_change_1): When forcing
6117         flag_omit_frame_pointer to be true, use a special value that can
6118         be detected if this function is called again, thus preventing
6119         flag_omit_leaf_frame_pointer from being forced to be false.
6120
6121 2016-03-10  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6122
6123         * common/config/aarch64/aarch64-common.c (aarch64_handle_option):
6124         Set x_flag_omit_leaf_frame_pointer when handling
6125         -momit-leaf-frame-pointer.
6126
6127 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
6128
6129         PR lto/69589
6130         * cgraph.c (cgraph_node::dump): Dump split_part and
6131         indirect_call_target.
6132         * cgraph.h (cgraph_node): Add indirect_call_target flag.
6133         * ipa.c (has_addr_references_p): Cleanup.
6134         (is_indirect_call_target_p): New.
6135         (walk_polymorphic_call_targets): Do not mark virtuals that may be
6136         called indirectly as local.
6137         (symbol_table::remove_unreachable_nodes): Compute indirect_call_target.
6138
6139 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
6140
6141         PR ipa/69630
6142         * ipa-devirt.c (possible_polymorphic_call_targets): Do not ICE
6143         on cxa_pure_virtual.
6144
6145 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
6146
6147         PR lto/69589
6148         * tree.c (free_lang_data_in_decl): Clear visibility of TYPE_DECL.
6149
6150 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
6151
6152         PR lto/69589
6153         * tree.c (need_assembler_name_p): Only record main variant type names.
6154
6155 2016-03-10  Christophe Lyon  <christophe.lyon@linaro.org>
6156
6157         PR target/70113.
6158         * config/aarch64/aarch64.h (TARGET_FIX_ERR_A53_843419_DEFAULT):
6159         Always define to 0 or 1.
6160         (TARGET_FIX_ERR_A53_843419): New macro.
6161         * config/aarch64/aarch64-elf-raw.h
6162         (TARGET_FIX_ERR_A53_843419_DEFAULT): Update for above changes.
6163         * config/aarch64/aarch64-linux.h: Likewise.
6164         * config/aarch64/aarch64.c
6165         (aarch64_override_options_after_change_1): Do not default
6166         aarch64_nopcrelative_literal_loads to true if Cortex-A53 erratum
6167         843419 is on.
6168         (aarch64_attributes): Handle fix-cortex-a53-843419.
6169         (aarch64_can_inline_p): Likewise.
6170         * config/aarch64/aarch64.opt (aarch64_fix_a53_err843419): Save.
6171
6172 2016-03-10  Alan Lawrence  <alan.lawrence@arm.com>
6173         Jakub Jelinek <jakub@redhat.com>
6174
6175         * common.opt (funconstrained-commons, flag_unconstrained_commons): New.
6176         * tree.c (array_at_struct_end_p): Do not limit to size of decl for
6177         DECL_COMMONS if flag_unconstrained_commons is set.
6178         * tree-dfa.c (get_ref_base_and_extent): Likewise.
6179         * doc/invoke.texi (Optimize Options): Add -funconstrained-commons.
6180         (funconstrained-commons): Document.
6181
6182 2016-03-10  Christophe Lyon  <christophe.lyon@linaro.org>
6183
6184         * config/aarch64/t-aarch64 (OPTIONS_H_EXTRA): Add
6185         aarch64-fusion-pairs.def and aarch64-tuning-flags.def
6186
6187 2016-03-10  Ilya Enkovich  <enkovich.gnu@gmail.com>
6188
6189         * tree-vect-stmts.c (vectorizable_mask_load_store): Check mask
6190         has a proper number of elements.
6191
6192 2016-03-10  Alan Modra  <amodra@gmail.com>
6193
6194         PR rtl-optimization/69195
6195         PR rtl-optimization/47992
6196         * ira.c (recorded_label_ref): Delete.
6197         (update_equiv_regs): Return void.
6198         (indirect_jump_optimize): New function.
6199         (ira): Call indirect_jump_optimize and delete_trivially_dead_insns
6200         before regstat_compute_ri.  Don't rebuild_jump_labels here.
6201         Delete update_regstat.
6202
6203 2016-03-10  Richard Biener  <rguenther@suse.de>
6204
6205         PR tree-optimization/70128
6206         * tree-ssa-structalias.c (set_uids_in_ptset): Set
6207         vars_contains_nonlocal for any FUNCTION_DECL or LABEL_DECL.
6208
6209 2016-03-09  Jakub Jelinek  <jakub@redhat.com>
6210
6211         PR tree-optimization/70152
6212         * tree-sra.c (replace_removed_params_ssa_names): Copy over
6213         SSA_NAME_OCCURS_IN_ABNORMAL_PHI from old_name to new_name.
6214
6215         PR target/70086
6216         * config/i386/i386.md (truncdfsf2 splitter): Use gen_vec_concatv2df
6217         instead of gen_sse2_loadlpd.
6218         * config/i386/sse.md (*vec_concatv2df): Rename to...
6219         (vec_concatv2df): ... this.
6220
6221         PR tree-optimization/70127
6222         * fold-const.c (operand_equal_p): Revert the 2015-10-28 change.
6223
6224 2016-03-09  David Malcolm  <dmalcolm@redhat.com>
6225
6226         PR c/68473
6227         PR c++/70105
6228         * diagnostic-show-locus.c (compatible_locations_p): New function.
6229         (layout::layout): Sanitize ranges using compatible_locations_p.
6230
6231 2016-03-09  David Malcolm  <dmalcolm@redhat.com>
6232
6233         PR c/68473
6234         PR c++/70105
6235         * diagnostic-show-locus.c (layout_range::layout_range): Replace
6236         location_range param with three const expanded_locations * and a
6237         bool.
6238         (layout::layout): Replace call to
6239         rich_location::lazily_expand_location with get_expanded_location.
6240         Extract the range and perform location expansion here, passing
6241         the results to the layout_range ctor.
6242         * diagnostic.c (source_range::debug): Delete.
6243         * diagnostic.h (diagnostic_expand_location): Reimplement in terms
6244         of rich_location::get_expanded_location.
6245         * gcc-rich-location.c (get_range_for_expr): Delete.
6246         (gcc_rich_location::add_expr): Reimplement to avoid the
6247         rich_location::add_range overload that took a location_range,
6248         passing a location_t instead.
6249
6250 2016-03-09  Richard Biener  <rguenther@suse.de>
6251         Jakub Jelinek  <jakub@redhat.com>
6252
6253         PR tree-optimization/70138
6254         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
6255         Also skip vect_double_reduction_def.
6256
6257 2016-03-09  Jakub Jelinek  <jakub@redhat.com>
6258
6259         PR target/70049
6260         * config/i386/sse.md (*vec_extract<mode>): Use %0 instead of %k0
6261         if the operand is "m".
6262
6263 2016-03-09  Nathan Sidwell  <nathan@acm.org>
6264
6265         * config/nvptx/nvptx.c (nvptx_option_override): Don't kill debug level.
6266
6267 2016-03-09  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
6268
6269         * config/i386/i386.c (processor_target_table): Fix cost table
6270         intialization order for znver1.
6271
6272 2016-03-08  Jakub Jelinek  <jakub@redhat.com>
6273
6274         * ipa-polymorphic-call.c (walk_ssa_copies): Fix spelling
6275         - becuase -> because.
6276         * ipa-reference.c (ignore_module_statics): Likewise.
6277         * cgraph.c (cgraph_node::get_body): Likewise.
6278         * ipa-inline.c (early_inliner): Likewise.
6279         * ipa-devirt.c (types_same_for_odr): Likewise.
6280         * tree-streamer-out.c (pack_ts_type_common_value_fields): Likewise.
6281         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Likewise.
6282
6283 2016-03-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6284
6285         * tree-ssa-math-opts.c: Fix typo in comment.
6286
6287 2016-03-08  Jakub Jelinek  <jakub@redhat.com>
6288
6289         PR target/70110
6290         * config/i386/i386.c (scalar_chain::make_vector_copies,
6291         scalar_chain::convert_reg): Call end_sequence in between
6292         get_insns and emit_conversion_insns rather than after both
6293         calls.
6294
6295 2016-03-07  Uros Bizjak  <ubizjak@gmail.com>
6296
6297         PR target/70064
6298         * config/i386/i386.h (machine_function): Add
6299         pc_thunk_call_expanded flag.
6300         (ix86_pc_thunk_call_expanded): New define.
6301         * config/i386/i386.md (set_got, set_got_labelled): New expanders.
6302         (*set_got): Rename insn pattern from set_got.
6303         (*set_got_labelled): Rename inst pattern from set_got_labelled.
6304         * config/i386/i386.c (ix86_compute_frame_layout): Use
6305         ix86_pc_thunk_call_expanded to prevent red-zone.
6306
6307 2016-03-07  Martin Jambor  <mjambor@suse.cz>
6308
6309         * hsa.h (hsa_get_ctor_statements): Declare.
6310         (hsa_get_dtor_statements): Likewise.
6311         (hsa_get_kernel_dispatch_type): Likewise.
6312         * hsa.c (hsa_get_ctor_statements): New function.
6313         (hsa_get_dtor_statements): Likewise.
6314         (hsa_get_kernel_dispatch_type): Likewise.
6315         * hsa-brig.c (hsa_cdtor_statements): Removed.
6316         (hsa_output_libgomp_mapping): Use hsa_get_ctor_statements and
6317         hsa_get_dtor_statements.
6318         * hsa-gen.c (hsa_kernel_dispatch_type): Removed.
6319         (get_hsa_kernel_dispatch_offset): Use hsa_get_kernel_dispatch_type.
6320
6321 2016-03-07  Andre Vieira  <andre.simoesdiasvieira@arm.com>
6322
6323         * config/arm/arm-cores.def (cortex-r8): New.
6324         * config/arm/arm-tables.opt (cortex-r8): Regenerate.
6325         * config/arm/arm-tune.md: Likewise.
6326         * gcc/doc/invoke.texi: Add cortex-r8 to list of cpu values.
6327
6328 2016-03-07  Martin Sebor  <msebor@redhat.com>
6329
6330         PR rtl-optimization/19705
6331         * doc/invoke.texi (Options That Control Optimization): Clarify
6332         -fno-branch-count-reg.
6333
6334 2016-02-26  Richard Biener  <rguenther@suse.de>
6335             Jeff Law  <law@redhat.com>
6336
6337         PR tree-optimization/69740
6338         * cfghooks.c (remove_edge): Request loop fixups if we delete
6339         an edge that might turn an irreducible loop into a natural
6340         loop.
6341         * cfgloop.h (check_verify_loop_structure): Clear LOOPS_NEED_FIXUP.
6342         Move after definition of loops_state_clear.
6343
6344 2016-03-07  Bin Cheng  <bin.cheng@arm.com>
6345
6346         PR rtl-optimization/69052
6347         * rtlanal.c (commutative_operand_precedence): Set higher precedence
6348         to CONST_WIDE_INT.
6349
6350 2016-03-07  Tom de Vries  <tom@codesourcery.com>
6351
6352         PR tree-optimization/70116
6353         * tree-ssa-tail-merge.c (merge_stmts_p): New function, handling
6354         is_tm_ending stmts and ubsan/asan internal functions.
6355         (find_duplicate): Use it.  Don't test is_tm_ending here.
6356
6357 2016-03-07  Richard Biener  <rguenther@suse.de>
6358
6359         PR tree-optimization/70115
6360         * tree-ssa-loop-ivcanon.c (propagate_into_all_uses): Remove.
6361         (propagate_constants_for_unrolling): Use replace_uses_by.
6362
6363 2016-03-07  Nathan Sidwell  <nathan@codesourcery.com>
6364
6365         PR middle-end/69916
6366         * omp-low.c (struct oacc_loop): Add ifns.
6367         (new_oacc_loop_raw): Initialize it.
6368         (finish_oacc_loop): Clear mask & flags if no ifns.
6369         (oacc_loop_discover_walk): Count IFN_GOACC_LOOP calls.
6370         (oacc_loop_xform_loop): Add ifns arg & adjust.
6371         (oacc_loop_process): Adjust oacc_loop_xform_loop call.
6372
6373 2016-03-07  Richard Henderson  <rth@redhat.com>
6374
6375         PR rtl-opt/70061
6376         * tree-outofssa.c (emit_partition_copy): Flush pending stack adjust.
6377         (insert_value_copy_on_edge): Likewise.
6378
6379 2016-03-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6380
6381         * config/arm/arm_neon.h: Show error if using with soft-float ABI.
6382
6383 2016-03-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
6384
6385         PR target/62281
6386         * config/i386/sol2.h (STACK_REALIGN_DEFAULT): Define.
6387
6388 2016-03-05  Venkataramanan Kumar  <Venkataramanan.kumar@amd.com>
6389
6390         * config/i386/i386.c (znver1_cost): Fix Multiply cost.
6391
6392 2016-03-05  Venkataramanan Kumar  <Venkataramanan.kumar@amd.com>
6393
6394         Fix sseimul type attribute.
6395         * config/i386/znver1.md
6396         (znver1_sseimul, znver1_sseimul_avx256, znver1_sseimul_load,
6397         znver1_sseimul_avx256_load) : Fix the type attribute.
6398         (znver1_sseimul_di, znver1_sseimul_load_di): Fix type attribute,
6399         pipe usage and latency.
6400
6401 2016-03-05  Jakub Jelinek  <jakub@redhat.com>
6402
6403         PR c++/70084
6404         * tree-inline.c (copy_tree_body_r): When cancelling ADDR_EXPR
6405         of INDIRECT_REF and ADDR_EXPR changed type, fold_convert it
6406         to the right type.
6407
6408 2016-03-04  Bernd Schmidt  <bschmidt@redhat.com>
6409
6410         PR c/69973
6411         * targhooks.c (default_vector_alignment): Limit to MAX_OFILE_ALIGNMENT.
6412
6413         PR rtl-optimization/69941
6414         * postreload.c (reload_combine_recognize_pattern): Ensure all uses of
6415         the reg share its mode.
6416
6417 2016-03-04  Jeff Law  <law@redhat.com>
6418
6419         PR tree-optimization/69196
6420         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
6421         If the both SSA_NAMEs are anonymous, then consider them unassociated
6422         and include the PHI in the statement count.
6423
6424 2016-03-05  Tom de Vries  <tom@codesourcery.com>
6425
6426         * omp-low.c (check_omp_nesting_restrictions): Check for non-oacc
6427         construct in oacc routine.  Check for oacc region in oacc routine.
6428
6429 2016-03-04  Jakub Jelinek  <jakub@redhat.com>
6430
6431         PR target/70062
6432         * config/i386/i386.c (decide_alg): Add RECUR argument.  Revert
6433         2016-02-22 changes, instead don't recurse if RECUR is already true.
6434         Don't change *dynamic_check if RECUR.  Adjust recursive caller
6435         to pass true to the new argument.
6436         (ix86_expand_set_or_movmem): Adjust decide_alg caller.
6437
6438         PR target/70059
6439         * config/i386/sse.md (vec_set_lo_<mode><mask_name>,
6440         <extract_type_2>_vinsert<shuffletype><extract_suf_2>_mask): Formatting
6441         fixes.
6442         (vec_set_hi_<mode><mask_name>): Likewise.  Swap VEC_CONCAT operands.
6443
6444 2016-03-04  Bernd Schmidt  <bschmidt@redhat.com>
6445
6446         PR rtl-optimization/57676
6447         * lra-assigns.c (lra_assign): Guard test for maximum iterations
6448         with flag_checking.
6449
6450 2016-03-04  Ilya Enkovich  <enkovich.gnu@gmail.com>
6451
6452         * tree-vect-patterns.c (search_type_for_mask): Handle
6453         comparison of booleans.
6454
6455 2016-03-04  Jakub Jelinek  <jakub@redhat.com>
6456
6457         * doc/extend.texi (__builtin_alloca, __builtin_alloca_with_align):
6458         Fix @xref usage.
6459
6460         PR debug/69947
6461         * dwarf2out.c (prune_unused_types_walk_loc_descr): Handle
6462         all other ops that have dw_val_class_die_ref operands,
6463         and DW_OP_GNU_entry_value.
6464
6465 2016-03-03  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6466
6467         PR rtl-optimization/69904
6468         * config/arm/arm.c (arm_cannot_copy_insn_p):
6469         Return true for load-exclusive instructions.
6470
6471 2016-03-03  Jakub Jelinek  <jakub@redhat.com>
6472
6473         PR target/70021
6474         * tree-vect-stmts.c (vect_mark_relevant): Remove USED_IN_PATTERN
6475         argument, if STMT_VINFO_IN_PATTERN_P (stmt_info), always mark
6476         the pattern no matter if it is used just by non-pattern, pattern
6477         or mix thereof.
6478         (process_use, vect_mark_stmts_to_be_vectorized): Adjust callers.
6479         * tree-vect-patterns.c (vect_recog_vector_vector_shift_pattern): If
6480         oprnd1 def_stmt is in pattern, don't look through it.
6481
6482 2016-03-03  Marek Polacek  <polacek@redhat.com>
6483
6484         PR middle-end/70050
6485         * match.pd (X % -Y): Add INTEGRAL_TYPE_P check.
6486
6487 2016-03-03  Martin Liska  <mliska@suse.cz>
6488
6489         PR tree-optimization/70043
6490         * tree-vect-loop.c (optimize_mask_stores): Move iterator to
6491         previous statement if we see a debug statement.
6492
6493 2016-03-03  Richard Biener  <rguenther@suse.de>
6494
6495         PR tree-optimization/55936
6496         * tree-vrp.c (compare_name_with_value): Add use_equiv_p
6497         parameter and guard unsafe equivalence use.
6498         (vrp_evaluate_conditional_warnv_with_ops): Always use
6499         safe equivalences but not via the quadratic compare_names
6500         helper.
6501
6502 2016-03-03  Michael Collison  <michael.collison@linaro.org>
6503
6504         PR target/70014
6505         * config/arm/arm.md (*subsi3_carryin_const): Change predicate
6506         for operand 1 to s_register_operand. Change predicate for operand
6507         2 to arm_not_immediate_operand.
6508
6509 2016-03-02  H.J. Lu  <hongjiu.lu@intel.com>
6510
6511         * doc/tm.texi: Regenerated.
6512
6513 2016-03-02  Richard Henderson  <rth@redhat.com>
6514
6515         PR rtl-opt/67145
6516         * simplify-rtx.c (simplify_plus_minus): Allow reassoc without
6517         simplification when all args are positive non-fixed registers.
6518
6519 2016-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6520
6521         * target.def (lra_p): Specify that new ports should use LRA.
6522
6523 2016-03-02  Jakub Jelinek  <jakub@redhat.com>
6524
6525         PR libgomp/69555
6526         * gimplify.c (gimplify_decl_expr): For decls with REFERENCE_TYPE, also
6527         gimplify_type_sizes the type they refer to.
6528         (omp_notice_variable): Handle reference vars to VLAs.
6529         * omp-low.c (lower_omp_target): Emit setup of OMP_CLAUSE_PRIVATE
6530         reference to VLA decls in the second pass instead of first pass.
6531
6532 2016-03-02  Tom de Vries  <tom@codesourcery.com>
6533
6534         PR tree-optimization/68659
6535         * graphite-isl-ast-to-gimple.c (collect_all_ssa_names): Handle
6536         new_expr == NULL_TREE.
6537         (get_new_name): Handle ADDR_EXPR.
6538
6539 2016-03-02  Bin Cheng  <bin.cheng@arm.com>
6540
6541         PR rtl-optimization/69052
6542         * loop-invariant.c (canonicalize_address): New function.
6543         (inv_can_prop_to_addr_use): Check validity of address expression
6544         which is canonicalized by above function.
6545
6546 2016-03-02  Alan Modra  <amodra@gmail.com>
6547
6548         PR ipa/69990
6549         * ipa-icf.c (sem_variable::merge): Do not merge an alias with
6550         larger alignment.
6551
6552 2016-03-02  Jakub Jelinek  <jakub@redhat.com>
6553
6554         PR target/70028
6555         * config/i386/i386.md (kmovw): Move m constraint to 2nd alternative.
6556         (*movhi_internal): Put mask moves from and to memory separately
6557         from moves from/to GPRs.
6558
6559 2016-03-02  Richard Biener  <rguenther@suse.de>
6560
6561         * genmatch.c (dt_node::gen_kids): Fix match code-gen for embedded
6562         GENERIC expressions in GIMPLE.
6563
6564 2016-03-02  Richard Biener  <rguenther@suse.de>
6565
6566         * config/i386/i386.c (type_natural_mode): Fix typo.
6567
6568 2016-03-02  Nick Clifton  <nickc@redhat.com>
6569
6570         * config.gcc (mep-*-elf): Add newlib-stdint.h to tm_file.
6571
6572 2016-03-02  Richard Biener  <rguenther@suse.de>
6573             Uros Bizjak  <ubizjak@gmail.com>
6574
6575         PR target/67278
6576         * config/i386/i386.c (type_natural_mode): Handle XFmode vectors.
6577
6578 2016-03-02  Richard Biener  <rguenther@suse.de>
6579
6580         PR middle-end/67278
6581         * tree-cfg.c (verify_expr): Adjust BIT_FIELD_REF case.
6582
6583 2016-03-02  Marek Polacek  <polacek@redhat.com>
6584
6585         PR c/67854
6586         * gimplify.c (gimplify_va_arg_expr): Use expanded location for the
6587         "is promoted to" warning.
6588
6589 2016-03-01  DJ Delorie  <dj@redhat.com>
6590
6591         * config.gcc: Deprecate mep-*.
6592
6593 2016-03-01  Vladimir Makarov  <vmakarov@redhat.com>
6594
6595         PR middle-end/70025
6596         * lra-constraints.c (regno_val_use_in): New.
6597         (match_reload): Use it instead of regno_use_in.
6598
6599 2016-03-01  Eric Botcazou  <ebotcazou@adacore.com>
6600
6601         PR rtl-optimization/70007
6602         * gcse.c (compute_ld_motion_mems): Tidy up and also invalidate memory
6603         references present in REG_EQUAL notes attached to non-SET patterns.
6604
6605 2016-03-01  Jeff Law  <law@redhat.com>
6606
6607         PR tree-optimization/69196
6608         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
6609         Appropriately clamp the number of statements to copy when the
6610         thread path does not traverse a loop backedge.
6611
6612         PR tree-optimization/69196
6613         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
6614         Do count some PHIs in the thread path against the insn count.  Decrease
6615         final statement count by one as the control statement in the last
6616         block will get removed.  Remove special cased code for handling PHIs
6617         in the last block.
6618
6619 2016-03-01  Uros Bizjak  <ubizjak@gmail.com>
6620
6621         PR target/70027
6622         * config/i386/i386.c (ix86_output_call_insn): Add -masm=intel
6623         asm dialect alternatives to explicit GOTPCREL calls.
6624
6625 2016-03-01  Eric Botcazou  <ebotcazou@adacore.com>
6626
6627         PR ada/70017
6628         * ira.c (do_reload): Issue warning for generic stack checking here...
6629         * reload1.c (reload): ...instead of here and streamline it.
6630
6631 2016-03-01  Nick Clifton  <nickc@redhat.com>
6632
6633         * config.gcc (cr16-*-elf): Add newlib-stdint.h to tm_file.
6634
6635 2016-03-01  Richard Biener  <rguenther@suse.de>
6636
6637         PR tree-optimization/69983
6638         * tree-chrec.c (eq_evolutions_p): Handle conversions, compare
6639         types and fall back to operand_equal_p.
6640
6641 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
6642
6643         Revert
6644         2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
6645
6646         * config/s390/constraints.md ("jm8"): New constraint.
6647         * config/s390/predicates.md ("const_int_8bitset_operand"): New
6648         predicate.
6649         * config/s390/s390.md ("*setmem_long", "*setmem_long_and"): Merge
6650         into ...
6651         ("*setmem_long<setmem_and>"): New pattern.
6652         ("*setmem_long_31z", "*setmem_long_and_31z"): Merge
6653         into ...
6654         ("*setmem_long_31z<setmem_and>"): New pattern.
6655         * config/s390/subst.md ("setmem_31z_subst", "setmem_and_subst"):
6656         New substitution rules with the required attributes.
6657
6658
6659 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
6660
6661         Revert
6662         2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
6663
6664         * gensupport.c (process_substs_on_one_elem): Split loop to
6665         complete mark_operands_used_in_match_dup on all expressions in the
6666         vector first.
6667         (adjust_operands_numbers): Inline into process_substs_on_one_elem
6668         and remove function.
6669
6670 2016-03-01  Richard Biener  <rguenther@suse.de>
6671
6672         PR middle-end/70022
6673         * fold-const.c (fold_indirect_ref_1): Fix range checking for
6674         vector BIT_FIELD_REF extract.
6675
6676 2016-03-01  Richard Biener  <rguenther@suse.de>
6677
6678         PR tree-optimization/69994
6679         * tree-ssa-reassoc.c (ops_equal_values_p): Handle missing case.
6680
6681 2016-03-01  Ilya Enkovich  <enkovich.gnu@gmail.com>
6682
6683         PR tree-optimization/69956
6684         * tree-vect-stmts.c (supportable_widening_operation): Support
6685         multi-step conversion of boolean vectors.
6686         (supportable_narrowing_operation): Likewise.
6687
6688 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
6689
6690         * config/s390/s390.c (s390_decompose_address): Don't accept SImode
6691         anymore.
6692
6693 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
6694
6695         * config/s390/subst.md (DSI_VI): New mode iterator.
6696         ("addr_style_op_subst"): Use DSI_VI instead of DSI.
6697         * config/s390/vector.md ("vec_set<mode>"): Move expander before
6698         the insn definition.
6699         ("*vec_set<mode>"): Change predicate and add alternative to
6700         support only either register or const_int operands as element
6701         selector.
6702         ("*vec_set<mode>_plus"): New pattern to support reg + const_int
6703         operands.
6704         ("vec_extract<mode>"): New expander.
6705         ("*vec_extract<mode>"): New insn definition supporting reg and
6706         const_int element selectors.
6707         ("*vec_extract<mode>_plus"): New insn definition supporting
6708         reg+const_int element selectors.
6709         ("rotl<mode>3", "ashl<mode>3", "ashr<mode>3"): Merge into the
6710         following expander+insn definition.
6711         ("<vec_shifts_name><mode>3"): New expander.
6712         ("*<vec_shifts_name><mode>3<addr_style_op>"): New insn definition.
6713
6714 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
6715
6716         * config/s390/s390.md ("*tabort_1"): Change predicate to
6717         nonmemory_operand.  Add a second alternative to cover
6718         register as well as const int operands.
6719         ("*tabort_1_plus"): New pattern definition.
6720
6721 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
6722
6723         * config/s390/s390.md ("*ashrdi3_cc_31")
6724         ("*ashrdi3_cconly_31""*ashrdi3_cc_31_and")
6725         ("*ashrdi3_cconly_31_and", "*ashrdi3_31_and", "*ashrdi3_31"):
6726         Merge insn definitions into ...
6727         ("*ashrdi3_31<addr_style_op_cc><masked_op_cc><setcc><cconly>"):
6728         New pattern definition.
6729         ("*ashr<mode>3_cc", "*ashr<mode>3_cconly", "ashr<mode>3", )
6730         ("*ashr<mode>3_cc_and", "*ashr<mode>3_cconly_and")
6731         ("*ashr<mode>3_and"): Merge insn definitions into ...
6732         ("*ashr<mode>3<addr_style_op_cc><masked_op_cc><setcc><cconly>"):
6733         New pattern definition.
6734         * config/s390/subst.md ("addr_style_op_cc_subst")
6735         ("masked_op_cc_subst", "setcc_subst", "cconly_subst"): New
6736         substitutions patterns plus attributes.
6737         Add ashiftrt to SUBST iterator.
6738
6739 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
6740
6741         * config/s390/s390.md ("<shift><mode>3"): Change predicate of
6742         op2 to nonmemory_operand.
6743         ("*<shift>di3_31", "*<shift>di3_31_and"):
6744         Merge into single pattern definition ...
6745         ("*<shift>di3_31<addr_style_op><masked_op>"): New pattern.
6746         ("*<shift><mode>3", "*<shift><mode>3_and"): Merge into single
6747         pattern definition ...
6748         ("*<shift><mode>3<addr_style_op><masked_op>"): New pattern.
6749         * config/s390/subst.md: Add ashift and lshiftrt to SUBST
6750         iterator.
6751
6752 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
6753
6754         * config/s390/predicates.md (const_int_6bitset_operand): New
6755         predicate.
6756         * config/s390/s390.md: Include subst.md.
6757         ("rotl<mode>3"): New expander.
6758         ("rotl<mode>3", "*rotl<mode>3_and"): Merge insn definitions into
6759         ...
6760         ("*rotl<mode>3<addr_style_op><masked_op>"): New insn definition.
6761         * config/s390/subst.md: New file.
6762
6763 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
6764
6765         * config/s390/s390.md ("op_type", "atype", "length" attributes):
6766         Remove RRR type.  It doesn't really exist.
6767         ("RRer", "f0", "v0", "vf", "vd", "op1", "Rf"): Remove mode
6768         attributes.
6769         ("BFP", "DFP", "nDSF", "nDFDI"): Add mode attributes.
6770         ("*cmp<mode>_ccs", "floatdi<mode>2", "add<mode>3")
6771         ("*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3")
6772         ("*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3")
6773         ("fma<mode>4", "fms<mode>4", "div<mode>3", "*neg<mode>2")
6774         ("*abs<mode>2", "*negabs<mode>2", "sqrt<mode>2"): Override
6775         `enabled' attribute.
6776
6777 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
6778
6779         * gensupport.c (process_substs_on_one_elem): Split loop to
6780         complete mark_operands_used_in_match_dup on all expressions in the
6781         vector first.
6782         (adjust_operands_numbers): Inline into process_substs_on_one_elem
6783         and remove function.
6784
6785 2016-02-29  Eric Botcazou  <ebotcazou@adacore.com>
6786
6787         PR target/69706
6788         * config/sparc/sparc.c (NWORDS_UP): Rename to...
6789         (CEIL_NWORDS): ...this.  Use CEIL macro.
6790         (compute_fp_layout): Adjust to above renaming.
6791         (function_arg_union_value): Likewise.
6792         (sparc_arg_partial_bytes): Likewise.
6793         (sparc_function_arg_advance): Likewise.
6794
6795 2016-02-29  Jeff Law  <law@redhat.com>
6796
6797         PR tree-optimization/70005
6798         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Handle case
6799         where an object with a boolean range is compared against a value
6800         outside [0..1].
6801
6802         PR tree-optimization/69999
6803         * gimple-ssa-split-paths.c (split_paths): When duplicating a block
6804         with an outgoing edge marked with EDGE_IRREDUCIBLE_LOOP, schedule
6805         loop cleanups.
6806
6807 2016-02-29  Richard Biener  <rguenther@suse.de>
6808
6809         PR tree-optimization/69994
6810         * tree-ssa-reassoc.c (gimple_nop_conversion_p): New function.
6811         (get_unary_op): Look through nop conversions.
6812         (ops_equal_values_p): New function, look for equality diregarding
6813         nop conversions.
6814         (eliminate_plus_minus_pair): Use ops_equal_values_p
6815         (repropagate_negates): Do not use get_unary_op here.
6816
6817 2016-02-29  Martin Liska  <mliska@suse.cz>
6818
6819         * system.h: Poison ENABLE_CHECKING macro.
6820
6821 2016-02-29  Martin Liska  <mliska@suse.cz>
6822
6823         * hsa-gen.c (gen_body_from_gimple): Dump only if TDF_DETAILS
6824         is presented in dump flags.
6825         * hsa-regalloc.c (linear_scan_regalloc): Likewise.
6826         (hsa_regalloc): Likewise.
6827
6828 2016-02-19  Richard Biener  <rguenther@suse.de>
6829
6830         PR tree-optimization/69980
6831         * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Update
6832         permutation of those we need to keep.
6833
6834 2016-02-29  Eric Botcazou  <ebotcazou@adacore.com>
6835
6836         PR target/69706
6837         * config/sparc/sparc.c (ROUND_ADVANCE): Rename to...
6838         (NWORDS_UP): ...this
6839         (init_cumulative_args): Minor tweaks.
6840         (sparc_promote_function_mode): Likewise.
6841         (scan_record_type): Delete.
6842         (traverse_record_type): New function template.
6843         (classify_data_t): New structure type.
6844         (classify_registers): New inline function.
6845         (function_arg_slotno): In 64-bit mode, bail out early if FP slots are
6846         exhausted.  Instantiate traverse_record_type on classify_registers and
6847         deal with the case of a structure passed in slot #15 with no FP field
6848         in the first word.
6849         (assign_data_t): New structure type.
6850         (compute_int_layout): New static function.
6851         (compute_fp_layout): Likewise.
6852         (count_registers): New inline function.
6853         (assign_int_registers): New static function.
6854         (assign_fp_registers): Likewise.
6855         (assign_registers): New inline function.
6856         (function_arg_record_value_1): Delete.
6857         (function_arg_record_value_2): Likewise.
6858         (function_arg_record_value_3): Likewise.
6859         (function_arg_record_value): Adjust to above changes.  Instantiate
6860         traverse_record_type on count_registers to first count the number of
6861         registers to be used and then on assign_registers to assign them.
6862         (function_arg_union_value): Adjust to above renaming.
6863         (sparc_function_arg_1); Minor tweaks.  Remove commented out code.
6864         (sparc_arg_partial_bytes): Adjust to above renaming.  Deal with the
6865         case of a structure passed in slot #15
6866         (sparc_function_arg_advance): Likewise.
6867         (function_arg_padding): Minor tweak.
6868
6869 2016-02-29  Richard Biener  <rguenther@suse.de>
6870
6871         PR tree-optimization/69720
6872         * tree-vect-loop.c (get_initial_def_for_reduction): Avoid
6873         the adjustment_def path for possibly vectorized defs.
6874         (vect_create_epilog_for_reduction): Handle vectorized initial
6875         defs properly.
6876
6877 2016-02-28  Eric Botcazou  <ebotcazou@adacore.com>
6878
6879         * config/i386/cygming.h (STACK_REALIGN_DEFAULT): Define.
6880
6881 2016-02-27  Jeff Law  <law@redhat.com>
6882
6883         Revert
6884         2016-02-26  Richard Biener  <rguenther@suse.de>
6885                     Jeff Law  <law@redhat.com>
6886
6887         PR tree-optimization/69740
6888         * cfghooks.c (remove_edge): Request loop fixups if we delete
6889         an edge that might turn an irreducible loop into a natural
6890         loop.
6891
6892 2016-02-27  Jakub Jelinek  <jakub@redhat.com>
6893
6894         PR rtl-optimization/69896
6895         * tree-vect-generic.c (get_compute_type): Avoid single element
6896         vector types.
6897
6898 2016-02-26  Evandro Menezes  <e.menezes@samsung.com>
6899
6900         Rename the AArch64 tuning option and related functions to enable the
6901         Newton series for the reciprocal square root to reflect its
6902         approximative characteristic.
6903
6904         * config/aarch64/aarch64-protos.h (aarch64_emit_swrsqrt): Rename
6905         function to "aarch64_emit_approx_rsqrt".
6906         * config/aarch64/aarch64-tuning-flags.def: Rename tuning flag to
6907         AARCH64_EXTRA_TUNE_APPROX_RSQRT.
6908         * config/aarch64/aarch64.c (exynosm1_tunigs): Use new flag name.
6909         (xgene1_tunings): Likewise.
6910         (use_rsqrt_p): Likewise.
6911         (aarch64_emit_swrsqrt): Use new function name.
6912         * config/aarch64/aarch64-simd.md (aarch64_rsqrts_*): Likewise.
6913         * config/aarch64/aarch64.opt (mlow-precision-recip-sqrt): Reword the
6914         text explaining this option.
6915         * doc/invoke.texi (-mlow-precision-recip-sqrt): Likewise.
6916
6917 2016-02-26  Jakub Jelinek  <jakub@redhat.com>
6918
6919         PR target/69969
6920         * config/rs6000/rs6000.c (rs6000_option_override_internal): Don't
6921         complain about -mallow-movmisalign without -mvsx if
6922         TARGET_ALLOW_MOVMISALIGN was not set explicitly.
6923
6924 2016-02-26  Joel Sherrill  <joel@rtems.org>
6925
6926         * config.gcc: Add x86_64-*-rtems*.
6927         * gcc/config/i386/rtems-64.h: New file.
6928
6929 2016-02-26  Joel Sherrill  <joel@rtems.org>
6930
6931         * config.gcc: Add aarch64-*-rtems*.
6932         * gcc/config/aarch64/rtems.h: New file.
6933
6934 2016-02-26  Segher Boessenkool  <segher@kernel.crashing.org>
6935
6936         PR target/69946
6937         * config/rs6000/rs6000.c (rs6000_insn_for_shift_mask): Print rlwinm
6938         shift amount using %h.  Add comment.
6939
6940 2016-02-26  Richard Biener  <rguenther@suse.de>
6941             Jeff Law  <law@redhat.com>
6942
6943         PR tree-optimization/69740
6944         * cfghooks.c (remove_edge): Request loop fixups if we delete
6945         an edge that might turn an irreducible loop into a natural
6946         loop.
6947
6948 2016-02-26  Martin Jambor  <mjambor@suse.cz>
6949
6950         PR middle-end/69920
6951         * tree-sra.c (sra_modify_assign): Do not remove loads of
6952         uninitialized aggregates to SSA_NAMEs.
6953
6954 2016-02-26  Richard Henderson  <rth@redhat.com>
6955
6956         PR target/69709
6957         * config/s390/s390.md (risbg and risbgn splitters): Allocate new
6958         pseudo in case the target rtx matches the source of the left
6959         shift.
6960
6961 2016-02-26  Martin Jambor  <mjambor@suse.cz>
6962
6963         PR hsa/69568
6964         * hsa.h (hsa_type_packed_p): Declare.
6965         * hsa.c (hsa_type_packed_p): New function.
6966         * hsa-gen.c (mem_type_for_type): Use unsigned type for packed
6967         loads.
6968         (gen_hsa_insns_for_store): Use hsa_type_packed_p.
6969         * hsa-brig.c (emit_basic_insn): Likewise.
6970
6971 2016-02-26  Martin Jambor  <mjambor@suse.cz>
6972
6973         pr hsa/69674
6974         * hsa-gen.c (gen_hsa_phi_from_gimple_phi): Use proper hsa type for
6975         pointers.
6976         (gen_hsa_addr): Allow integer constants in TMR_INDEX2.
6977
6978 2016-02-26  Martin Jambor  <mjambor@suse.cz>
6979
6980         * hsa.h (is_a_helper): New overload for hsa_op_immed for
6981         hsa_op_with_type operands.
6982         (hsa_unsigned_type_for_type): Declare.
6983         * hsa.c (hsa_unsigned_type_for_type): New function.
6984         * hsa-gen.c (gen_hsa_binary_operation): Use hsa_unsigned_type_for_type.
6985         (gen_hsa_insns_for_operation_assignment): Satisfy constrains of
6986         the finalizer.  Do not emit extra move.
6987
6988 2016-02-26  Martin Jambor  <mjambor@suse.cz>
6989
6990         * hsa-gen.c (gen_hsa_ternary_atomic_for_builtin): Fail in presence of
6991         atomic operations in private segment.
6992
6993 2016-02-26  Martin Jambor  <mjambor@suse.cz>
6994
6995         * omp-low.c (grid_find_ungridifiable_statement): Store problematic
6996         statements to wi->info.  Also disallow omp simd constructs.
6997         (grid_target_follows_gridifiable_pattern): Use wi.info to dump reason
6998         for not gridifying.  Dump special string for omp_for.
6999
7000 2016-02-26  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7001
7002         PR target/69245
7003         * config/aarch64/aarch64.c (aarch64_set_current_function):
7004         Save/restore target globals when switching to
7005         target_option_default_node.
7006
7007 2016-02-26  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7008
7009         PR target/69613
7010         * config/aarch64/aarch64.c (aarch64_shift_truncation_mask):
7011         Return 0 if !SHIFT_COUNT_TRUNCATED.
7012
7013 2016-02-26  Jakub Jelinek  <jakub@redhat.com>
7014             Eric Botcazou  <ebotcazou@adacore.com>
7015
7016         PR rtl-optimization/69891
7017         * dse.c (scan_insn): If we can't figure out memset arguments
7018         or they are non-constant, call clear_rhs_from_active_local_stores.
7019
7020 2016-02-26  Martin Liska  <mliska@suse.cz>
7021
7022         * doc/extend.texi: Mention clog10, clog10f an clog10l
7023         in Builtins section.
7024
7025 2016-02-26  Martin Liska  <mliska@suse.cz>
7026
7027         * dwarf2out.c (new_loc_descr): Replace ENABLE_CHECKING with
7028         CHECKING_P.
7029         (resolve_args_picking_1): Likewise.
7030         * dwarf2out.h (struct GTY): Likewise.
7031
7032 2016-02-26  Martin Liska  <mliska@suse.cz>
7033
7034         * hsa-gen.c (generate_hsa): Replace ENABLE_CHECKING macro
7035         with flag_checking.
7036         * hsa-regalloc.c (linear_scan_regalloc): Likewise.
7037
7038 2016-02-26  Markus Trippelsdorf  <markus@trippelsdorf.de>
7039             Martin Liska  <mliska@suse.cz>
7040
7041         * doc/install.texi: Mention --enable-valgrind-annotations.
7042
7043 2016-02-26  Richard Biener  <rguenther@suse.de>
7044
7045         PR tree-optimization/69551
7046         * tree-ssa-structalias.c (get_constraint_for_ssa_var): When
7047         looking through aliases adjust DECL_PT_UID to refer to the
7048         ultimate alias target.
7049
7050 2016-02-25  Martin Liska  <mliska@suse.cz>
7051
7052         PR middle-end/69919
7053         * alloc-pool.c (after_memory_report): New variable.
7054         * alloc-pool.h (base_pool_allocator ::release): Do not use
7055         the infrastructure if after_memory_report.
7056         * toplev.c (toplev::main): Mark after memory report.
7057
7058 2016-02-25  Richard Biener  <rguenther@suse.de>
7059
7060         PR tree-optimization/48795
7061         * tree-vrp.c (check_array_ref): Use array_at_struct_end_p.
7062
7063 2016-02-25  Ilya Verbin  <ilya.verbin@intel.com>
7064
7065         PR driver/68463
7066         * config/gnu-user.h (CRTOFFLOADBEGIN): Define.  Add crtoffloadbegin.o if
7067         offloading is enabled and -fopenacc or -fopenmp is specified.
7068         (CRTOFFLOADEND): Likewise.
7069         (GNU_USER_TARGET_STARTFILE_SPEC): Add CRTOFFLOADBEGIN.
7070         (GNU_USER_TARGET_ENDFILE_SPEC): Add CRTOFFLOADEND.
7071         * lto-wrapper.c (offloadbegin, offloadend): Remove static vars.
7072         (offload_objects_file_name): New static var.
7073         (tool_cleanup): Remove offload_objects_file_name file.
7074         (find_offloadbeginend): Replace with ...
7075         (find_crtoffloadtable): ... this.
7076         (run_gcc): Remove offload_argc and offload_argv.
7077         Get offload_objects_file_name from -foffload-objects=... option.
7078         Read names of object files with offload from this file, pass them to
7079         compile_images_for_offload_targets.  Don't call find_offloadbeginend and
7080         don't pass offloadbegin and offloadend to the linker.  Don't pass
7081         offload non-LTO files to the linker, because now they're not claimed.
7082
7083 2016-02-25  Jan Hubicka  <hubicka@ucw.cz>
7084
7085         PR ipa/69630
7086         * ipa-devirt.c (possible_polymorphic_call_targets): Do not ICE
7087         on builtin_unreachable.
7088
7089 2016-02-25  Jakub Jelinek  <jakub@redhat.com>
7090
7091         PR rtl-optimization/69896
7092         * regcprop.c: Include cfgrtl.h.
7093         (copyprop_hardreg_forward_1): If noop_p insn uses narrower
7094         than remembered mode, either delete it (if noop_move_p), or
7095         treat like copy_p but not noop_p instruction.
7096
7097 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
7098
7099         PR debug/69705
7100         * dwarf2out.c (gen_variable_die): Work around buggy LTO
7101         - allow NULL decl for Fortran DW_TAG_common_block variables.
7102
7103 2016-02-24  Jason Merrill  <jason@redhat.com>
7104
7105         * common.opt (flifetime-dse): Add -flifetime-dse=1.
7106
7107 2016-02-24  Richard Biener  <rguenther@suse.de>
7108             Jakub Jelinek  <jakub@redhat.com>
7109
7110         PR middle-end/69760
7111         * tree-scalar-evolution.c (interpret_rhs_expr): Re-write
7112         conditionally executed ops to well-defined overflow behavior.
7113
7114 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
7115
7116         PR middle-end/69915
7117         * tree.c (build_vector_from_ctor): Fix handling of VECTOR_CST
7118         elements.
7119
7120 2016-02-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7121
7122         PR rtl-optimization/69886
7123         * gcse.c (can_assign_to_reg_without_clobbers_p): Accept mode
7124         argument.  Use it when checking validity of set instructions.
7125         (want_to_gcse_p): Pass mode to can_assign_to_reg_without_clobbers_p.
7126         (compute_ld_motion_mems): Update can_assign_to_reg_without_clobbers_p
7127         callsite.
7128         * rtl.h (can_assign_to_reg_without_clobbers_p): Update prototype.
7129         * store-motion.c (find_moveable_store): Update
7130         can_assign_to_reg_without_clobbers_p callsite.
7131
7132 2016-02-24  Richard Biener  <rguenther@suse.de>
7133
7134         PR middle-end/68963
7135         * tree-ssa-loop-niter.c (derive_constant_upper_bound_ops): Fix
7136         bogus check.
7137         (record_nonwrapping_iv): Do not fall back to the low/high bound
7138         for non-constant IV bases if the stmt is not always executed.
7139
7140 2016-02-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7141
7142         * config/arm/arm-cores.def (cortex-a32): New entry.
7143         * config/arm/arm-tables.opt: Regenerate.
7144         * config/arm/arm-tune.md: Regenerate.
7145         * config/arm/bpabi.h (BE8_LINK_SPEC): Add mcpu=cortex-a32.
7146         * config/arm/t-aprofile: Handle mcpu=cortex-a32.
7147         * doc/invoke.texi (ARM Options): Document cortex-a32 as value
7148         for -mcpu and -mtune.
7149
7150 2016-02-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7151
7152         PR target/69875
7153         * config/arm/arm.h (TARGET_HAVE_LPAE): Define.
7154         * config/arm/unspecs.md (VUNSPEC_LDRD_ATOMIC): New value.
7155         * config/arm/sync.md (arm_atomic_loaddi2_ldrd): New pattern.
7156         (atomic_loaddi_1): Delete.
7157         (atomic_loaddi): Rewrite expander using the above changes.
7158
7159 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
7160
7161         PR c/69918
7162         * params.def (PARAM_MAX_SSA_NAME_QUERY_DEPTH): Bump default from
7163         2 to 3.
7164
7165 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
7166             Richard Biener  <rguenth@suse.de>
7167
7168         PR middle-end/69909
7169         * expr.c (expand_expr_real_1) <normal_inner_ref>: Avoid
7170         set_mem_attributes if tem is SSA_NAME which got expanded
7171         as a MEM.
7172
7173 2016-02-24  Richard Biener  <rguenther@suse.de>
7174
7175         PR tree-optimization/69907
7176         * tree-vect-stmts.c (vectorizable_load): Check for gaps at the
7177         end of permutations for BB vectorization.
7178
7179 2016-02-24  Christian Bruel  <christian.bruel@st.com>
7180
7181         * config/arm/arm-c.c (arm_option_override): Initialize
7182         target_option_current_node.
7183         * config/arm/arm.c (arm_pragma_target_parse): Replace
7184         build_target_option_node call by target_option_current_node.
7185         Set target_option_current_node.
7186         Fix comments.
7187
7188 2016-02-23  David Edelsohn  <dje.gcc@gmail.com>
7189
7190         PR target/69810
7191         * config/rs6000/rs6000.md (zero_extendqi<mode>2_dot): Convert from
7192         define_insn_and_split to define_insn.
7193         (zero_extendqi<mode>2_dot2): Same.
7194         (extendqi<mode>2_dot): Same.
7195         (extendqi<mode>2_dot2): Same.
7196
7197 2016-02-23  Evandro Menezes  <e.menezes@samsung.com>
7198
7199         * config/arm/exynos-m1.md: Change cost of STP, fix bypass for stores
7200         and add bypass for AES{D,E} and AESMC pairs.
7201         * config/aarch64/aarch64.c (exynosm1_tunings): Enable fusion of AES{D,E}
7202         and AESMC pairs.
7203
7204 2016-02-23  Evandro Menezes  <e.menezes@samsung.com>
7205
7206         * config/aarch64/aarch64.c (exynosm1_tunings): Enable the Newton
7207         series for reciprocal square root in Exynos M1.
7208
7209 2016-02-23  Martin Sebor  <msebor@redhat.com>
7210
7211         PR c/69759
7212         * doc/extend.texi (Other Builtins): Document __builtin_alloca and
7213         __builtin_alloca_with_align.
7214
7215 2016-02-23  Richard Henderson  <rth@redhat.com>
7216
7217         * config/i386/i386-c.c (ix86_target_macros): Remove __SEG_TLS.
7218         (ix86_register_pragmas): Remove __seg_tls.
7219         * config/i386/i386-protos.h (ADDR_SPACE_SEG_TLS): Remove.
7220         * config/i386/i386.c (ix86_print_operand_address_as): Don't handle it.
7221         (ix86_addr_space_subset_p, TARGET_ADDR_SPACE_SUBSET_P): Remove.
7222         (ix86_addr_space_convert, TARGET_ADDR_SPACE_CONVERT): Remove.
7223         (ix86_addr_space_debug, TARGET_ADDR_SPACE_DEBUG): Remove.
7224         * doc/extend.texi (__seg_tls): Remove item.
7225
7226 2016-02-23  Richard Biener  <rguenther@suse.de>
7227
7228         * alloc-pool.h (struct allocation_object): Make id member
7229         conditional on CHECKING_P again.
7230         (get_instance): Adjust.
7231         (base_pool_allocator): Likewise.
7232
7233 2016-02-23  Thomas Schwinge  <thomas@codesourcery.com>
7234
7235         * tree-parloops.c (create_parallel_loop, gen_parallel_loop)
7236         (parallelize_loops): In OpenACC kernels mode, set n_threads to
7237         zero.
7238         (pass_parallelize_loops::gate): In OpenACC kernels mode, gate on
7239         flag_openacc.
7240         * tree-ssa-loop.c (gate_oacc_kernels): Likewise.
7241
7242 2016-02-23  Richard Biener  <rguenther@suse.de>
7243
7244         * mem-stats.h (struct mem_usage): Use PRIu64 for printing size_t.
7245         * bitmap.h (struct bitmap_usage): Likewise.
7246         (bitmap_move): Declare.
7247         * bitmap.c (register_overhead): Take size_t argument.
7248         (bitmap_move): New function.
7249         * df-problems.c (df_rd_transfer_function): Use bitmap_move
7250         to properly account overhead.
7251         * tree.c (free_node): Use tree_size.
7252
7253 2016-02-23  Jakub Jelinek  <jakub@redhat.com>
7254
7255         PR c++/69902
7256         * fold-const.c (fold_truth_not_expr): Propagate TREE_NO_WARNING
7257         when inverting comparison.
7258
7259         PR c/69900
7260         * common.opt (Wunreachable-code): Add Warning flag.
7261
7262 2016-02-23  Mark Wielaard  <mjw@redhat.com>
7263             Jakub Jelinek  <jakub@redhat.com>
7264
7265         PR c/69911
7266         * cgraphunit.c (check_global_declaration): Check main_input_filename
7267         and DECL_SOURCE_FILE are not NULL.
7268
7269 2016-02-23  Martin Jambor  <mjambor@suse.cz>
7270
7271         PR tree-optimization/69666
7272         * tree-sra.c (sra_modify_assign): Do not attempt to create
7273         default_def replacements for unscalarizable regions.
7274
7275 2016-02-20  Mark Wielaard  <mjw@redhat.com>
7276
7277         PR c/28901
7278         * cgraphunit.c (check_global_declaration): Check level of
7279         warn_unused_const_variable and main_input_filename.
7280         * doc/invoke.texi (Warning Options): Add -Wunused-const-variable=.
7281         (-Wunused-variable): For C implies -Wunused-const-variable=1.
7282         (-Wunused-const-variable): Explain levels 1 and 2.
7283
7284 2016-02-22  Jakub Jelinek  <jakub@redhat.com>
7285
7286         PR target/69888
7287         * config/i386/i386.c (decide_alg): Ensure we don't recurse with
7288         identical arguments.  Formatting and spelling fixes.
7289
7290         PR target/69885
7291         * doc/md.texi (ashl@var{m}3): Document that mode of operand 2 must
7292         be specified.
7293
7294         PR target/69894
7295         PR target/69895
7296         * config/m68k/t-opts (OPTIONS_H_EXTRA): Add m68k-microarchs.def
7297         and m68k-devices.def.
7298         * config/c6x/t-c6x (OPTIONS_H_EXTRA): Add c6x-isas.def.
7299         * config/aarch64/t-aarch64 (OPTIONS_H_EXTRA): Add aarch64-arches.def.
7300
7301 2016-02-22  Cesar Philippidis  <cesar@codesourcery.com>
7302
7303         * config/nvptx/nvptx.c (nvptx_gen_shuffle): Add support for QImode
7304         and HImode registers.
7305
7306 2016-02-22  Richard Biener  <rguenther@suse.de>
7307
7308         PR tree-optimization/69882
7309         * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Properly
7310         preserve permutations present because of gaps.
7311         (vect_supported_load_permutation_p): Always continue checking
7312         permutations after vect_attempt_slp_rearrange_stmts.
7313
7314 2016-02-22  Bin Cheng  <bin.cheng@arm.com>
7315
7316         * tree-vect-loop.c (vect_estimate_min_profitable_iters): Dump
7317         min_profitable_estimate, rather than min_profitable_iters.
7318
7319 2016-02-22  Jakub Jelinek  <jakub@redhat.com>
7320
7321         PR target/69885
7322         * config/m68k/m68k.md (ashldi3, ashrdi3, lshrdi3): Use
7323         SImode for last match_operand.
7324
7325 2016-02-22  Martin Liska  <mliska@suse.cz>
7326
7327         * hsa-gen.c (gen_hsa_clrsb): In case of zero value,
7328         return bitsize - 1 as the return value.
7329
7330 2016-02-22  Oleg Endo  <olegendo@gcc.gnu.org>
7331
7332         PR target/69806
7333         PR target/54089
7334         * config/sh/sh.c (sh_lshrsi_clobbers_t_reg_p, sh_dynamicalize_shift_p):
7335         Handle negative shift counts.
7336         * config/sh/sh.md (ashlsi3, lshrsi3_n, lshrsi3_n_clobbers_t): Don't use
7337         force_reg on the shift constant.
7338         (lshrsi3): Likewise.  Expand into lshrsi3_n* instead of lshrsi3_d.
7339         (lshrsi3_d): Handle negative shift counts.
7340
7341 2016-02-22  Richard Biener  <rguenther@suse.de>
7342             Tom de Vries  <tom@codesourcery.com>
7343
7344         * graph.c: Include dumpfile.h.
7345         (print_graph_cfg): Split into three overloads.
7346         * gdbhooks.py (class DotFn): Add and instantiate, adding command dot-fn.
7347
7348 2016-02-22  Tom de Vries  <tom@codesourcery.com>
7349
7350         * gdbhooks.py (class DumpFn): Add and instantiate, adding command
7351         dump-fn.
7352
7353 2016-02-22  Richard Biener  <rguenther@suse.de>
7354
7355         PR ipa/37448
7356         * ipa-inline-transform.c (inline_call): When not updating
7357         overall summaries adjust self size by the growth estimate.
7358         * ipa-inline.c (inline_to_all_callers_1): Add to the callers
7359         hash-set, do not update overall summaries here.  Renamed from ...
7360         (inline_to_all_callers): ... this which is now wrapping the
7361         above and performing delayed overall summary update.
7362         (early_inline_small_functions): Delay updating of the overall
7363         summary.
7364
7365 2016-02-21  Markus Trippelsdorf  <markus@trippelsdorf.de>
7366
7367         * tree-chkp.c (chkp_mark_invalid_bounds_walker): Initialize
7368         variable.
7369
7370 2016-02-19  Jakub Jelinek  <jakub@redhat.com>
7371
7372         PR driver/69805
7373         * gcc.c (LINK_COMMAND_SPEC, GOMP_SELF_SPECS): Use
7374         :%* in %:gt() argument.
7375         (greater_than_spec_func): Adjust for expecting only numbers,
7376         if there are more than two numbers, compare the last two.
7377
7378 2016-02-19  Jonathan Wakely  <jwakely@redhat.com>
7379
7380         * doc/invoke.texi (C++ Dialect Options): Clarify interaction of
7381         -Wnarrowing with -std.
7382
7383 2016-02-19  Jakub Jelinek  <jakub@redhat.com>
7384
7385         PR c++/69851
7386         * expr.c (store_field): Don't use bit-field path if exp is
7387         COMPONENT_REF with TREE_ADDRESSABLE type, where TYPE_SIZE is
7388         different from bitsize, but DECL_SIZE of FIELD_DECL is bitsize
7389         and the assignment can be performed by bitwise copy.  Formatting
7390         fix.
7391
7392         PR middle-end/69838
7393         * lra.c (lra_process_new_insns): If non-call exceptions are enabled,
7394         call copy_reg_eh_region_note_forward on before and/or after sequences
7395         and remove note from insn if it no longer can throw.
7396
7397         PR target/69820
7398         * config/i386/sse.md (VI_512): Only include V64QImode and V32HImode
7399         if TARGET_AVX512BW.
7400
7401 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7402
7403         * config/s390/vector.md: Add missing commutative operand markers
7404         to the patterns which qualify for one.
7405         * config/s390/vx-builtins.md: Likewise.
7406
7407 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7408
7409         * config/s390/vector.md (VI, VI_QHS): Add single element vector
7410         types to mode iterators.
7411         (vec_double): ... and mode attribute.
7412         * config/s390/vx-builtins.md (non_vec_int): Likewise.
7413
7414 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7415
7416         * config/s390/vector.md ("<ti*>add<mode>3", "<ti*>sub<mode>3"):
7417         Change the predicate of op2 from nonimmediate to general and let
7418         reload fix it if necessary.
7419
7420 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7421
7422         * config/s390/vecintrin.h (vec_sub_u128): Define missing macro.
7423
7424 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7425
7426         * config/s390/s390.c (s390_expand_vcond): Use the compare operand
7427         mode.
7428
7429 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7430
7431         * config/s390/s390-protos.h: Add s390_expand_vec_movstr prototype.
7432         * config/s390/s390.c (s390_expand_vec_movstr): New function.
7433         * config/s390/s390.md ("movstr<P:mode>"): Call
7434         s390_expand_vec_movstr.
7435
7436 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7437
7438         * config/s390/s390.md: Add missing output modifier for operand 1
7439         to print it as address properly.
7440
7441 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7442
7443         * config/s390/2827.md: Rename ooo_* insn attributes to zEC12_*.
7444         * config/s390/2964.md: New file.
7445         * config/s390/s390.c (s390_get_sched_attrmask): Use the right set
7446         of insn grouping attributes depending on the CPU level.
7447         (s390_get_unit_mask): New function.
7448         (s390_sched_score): Remove the OOO from the scheduling macros.
7449         Add loop to calculate a score for the instruction mix.
7450         (s390_sched_reorder): Likewise plus improve debug output.
7451         (s390_sched_variable_issue): Rename macros as above.  Calculate
7452         the unit distances after actually scheduling an insn.  Improve
7453         debug output.
7454         (s390_sched_init): Clear last_scheduled_unit_distance array.
7455         * config/s390/s390.md: Include 2964.md.
7456
7457 2016-02-18  Jakub Jelinek  <jakub@redhat.com>
7458
7459         PR target/69671
7460         * config/i386/sse.md (*<floatsuffix>floatv2div2sf2_mask_1,
7461         *avx512vl_<code>v2div2qi2_mask_1, *avx512vl_<code><mode>v4qi2_mask_1,
7462         *avx512vl_<code><mode>v8qi2_mask_1, *avx512vl_<code><mode>v4hi2_mask_1,
7463         *avx512vl_<code>v2div2hi2_mask_1, *avx512vl_<code>v2div2si2_mask_1,
7464         *avx512f_<code>v8div16qi2_mask_1): New insns.
7465
7466 2016-02-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
7467
7468         PR target/68404
7469         * config/rs6000/predicates.md (fusion_gpr_addis): Revert
7470         2016-02-09 change.
7471
7472         * config/rs6000/rs6000.md (fusion_gpr_load_<mode>): Remove
7473         earlyclobber from target.  Use wF constraint for fused memory
7474         address.
7475         (fusion_gpr_<P:mode>_<GPR_FUSION:mode>_load): Likewise.
7476
7477 2016-02-18  Jakub Jelinek  <jakub@redhat.com>
7478             Martin Liska  <mliska@suse.cz>
7479
7480         PR sanitizer/69863
7481         * cfgexpand.c (asan_sanitize_stack_p): New function.
7482         (partition_stack_vars): Use the function.
7483         (expand_stack_vars): Likewise.
7484         (defer_stack_allocation): Likewise.
7485         (expand_used_vars): Likewise.
7486
7487 2016-02-18  Richard Biener  <rguenther@suse.de>
7488
7489         PR middle-end/69553
7490         * fold-const.c (operand_equal_p): Properly compare offsets for
7491         IMAGPART_EXPR and ARRAY_REF.
7492
7493 2016-02-18  Nick Clifton  <nickc@redhat.com>
7494
7495         PR target/62254
7496         PR target/69610
7497         * config/arm/arm.c (arm_option_override_internal): Disable
7498         interworking if the target does not support thumb instructions.
7499         (arm_reload_in_hi): Handle the case where a register to register
7500         move needs reloading because there is no simple pattern to handle
7501         it.
7502         (arm_reload_out_hi): Likewise.
7503
7504 2016-02-18  Richard Biener  <rguenther@suse.de>
7505
7506         PR middle-end/69854
7507         * match.pd: Don't use fold_binary or fold_unary for folding
7508         constants.
7509
7510 2016-02-17  Jakub Jelinek  <jakub@redhat.com>
7511
7512         PR c++/69850
7513         * gimplify.c (gimplify_cond_expr): Call gimple_set_no_warning
7514         on the cond_stmt from TREE_NO_WARNING on COND_EXPR_COND.
7515         * gimple-ssa-nonnull-compare.c (do_warn_nonnull_compare): Don't
7516         warn on gimple_no_warning_p statements.
7517
7518 2016-02-17  Jonathan Wakely  <jwakely@redhat.com>
7519
7520         * doc/extend.texi (C++ Attributes): Correct description of
7521         warn_unused type attribute.
7522
7523 2016-02-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
7524
7525         * config/rs6000/altivec.md (*altivec_lvxl_<mode>_internal): Output
7526         correct instruction.
7527
7528 2016-02-17  Richard Biener  <rguenther@suse.de>
7529
7530         PR rtl-optimization/69609
7531         * bb-reorder.c (struct bbro_basic_block_data): Add priority member.
7532         (find_traces_1_round): When ending a trace update cached priority
7533         of successors.
7534         (bb_to_key): Use cached priority when available.
7535         (copy_bb): Initialize cached priority.
7536         (reorder_basic_blocks_software_trace_cache): Likewise.
7537
7538 2016-02-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7539
7540         PR target/69161
7541         * config/aarch64/predicates.md (aarch64_comparison_operator_mode):
7542         New predicate.
7543         (aarch64_comparison_operator): Break overly long line into two.
7544         (aarch64_comparison_operation): Likewise.
7545         * config/aarch64/aarch64.md (cstorecc4): Use
7546         aarch64_comparison_operator_mode instead of
7547         aarch64_comparison_operator.
7548         (cstore<mode>4): Likewise.
7549         (aarch64_cstore<mode>): Likewise.
7550         (*cstoresi_insn_uxtw): Likewise.
7551         (cstore<mode>_neg): Likewise.
7552         (*cstoresi_neg_uxtw): Likewise.
7553
7554 2016-02-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7555
7556         PR target/69161
7557         * config/arm/predicates.md (arm_comparison_operator_mode):
7558         New predicate.
7559         * config/arm/arm.md (*mov_scc): Use arm_comparison_operator_mode
7560         instead of arm_comparison_operator.
7561         (*mov_negscc): Likewise.
7562         (*mov_notscc): Likewise.
7563         * config/arm/thumb2.md (*thumb2_mov_scc): Likewise.
7564         (*thumb2_mov_negscc): Likewise.
7565         (*thumb2_mov_negscc_strict_it): Likewise.
7566         (*thumb2_mov_notscc): Likewise.
7567         (*thumb2_mov_notscc_strict_it): Likewise.
7568
7569 2016-02-17  Wilco Dijkstra  <wdijkstr@arm.com>
7570
7571         * config/aarch64/aarch64.c (aarch64_internal_mov_immediate):
7572         Add missing return.
7573
7574 2016-02-17  Eric Botcazou  <ebotcazou@adacore.com>
7575
7576         * config/visium/visium.c (machine_libfunc_index): New enum.
7577         (machine_libfuncs): New structure.
7578         (visium_libfuncs): New static variable.
7579         (TARGET_INIT_LIBFUNCS): Define to...
7580         (visium_init_libfuncs): ...this.  New function.
7581         (expand_block_move_4): Use the appropriate libfunc.
7582         (expand_block_move_2): Likewise.
7583         (expand_block_move_1): Likewise.
7584         (expand_block_set_4): Likewise.
7585         (expand_block_set_2): Likewise.
7586         (expand_block_set_1): Likewise.
7587         (visium_trampoline_init): Likewise.
7588
7589 2016-02-17  Nick Clifton  <nickc@redhat.com>
7590
7591         * config/msp430/msp430.c (msp430_mcu_data): Sync with data from
7592         TI's devices.csv file as of March 2016.
7593
7594 2016-02-16  Kelvin Nilsen  <kelvin@gcc.gnu.org>
7595
7596         PR Target/48344
7597         * opts-global.c (handle_common_deferred_options): Introduce and
7598         initialize two global variables to remember command-line options
7599         specifying a stack-limiting register.
7600         * opts.h: Add extern declarations of the two new global variables.
7601         * emit-rtl.c (init_emit_once): Initialize the stack_limit_rtx
7602         variable based on the values of the two new global variables.
7603
7604 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
7605
7606         PR c/69835
7607         * common.opt (Wnonnull-compare): New warning.
7608         * doc/invoke.texi (-Wnonnull): Remove text about comparison
7609         of arguments against NULL.
7610         (-Wnonnull-compare): Document.
7611         * Makefile.in (OBJS): Add gimple-ssa-nonnull-compare.o.
7612         * tree-pass.h (make_pass_warn_nonnull_compare): Declare.
7613         * passes.def (pass_warn_nonnull_compare): Add.
7614         * gimple-ssa-nonnull-compare.c: New file.
7615
7616 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
7617
7618         * config/aarch64/aarch64.c (cortexa57_tunings): Remove
7619         AARCH64_EXTRA_TUNE_RECIP_SQRT.
7620
7621 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
7622
7623         * config/aarch64/aarch64.c (use_rsqrt_p): Always use software
7624         reciprocal sqrt for -mlow-precision-recip-sqrt.
7625
7626 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
7627             Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
7628
7629         * config/aarch64/aarch64.c (aarch64_expand_vector_init): Refactor,
7630         always use lane loads to construct non-constant vectors.
7631
7632 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
7633
7634         * config/aarch64/aarch64.md
7635         (arch64_sqrdml<SQRDMLH_AS:rdma_as>h_lane<mode>): Fix register
7636         constraints for operand 3.
7637         (aarch64_sqrdml<SQRDMLH_AS:rdma_as>h_laneq<mode>): Likewise.
7638
7639 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
7640             Richard Biener  <rguenther@suse.de>
7641
7642         PR tree-optimization/69820
7643         * tree-vect-patterns.c (type_conversion_p): Return false if
7644         *orig_type is unsigned single precision or boolean.
7645         (vect_recog_dot_prod_pattern, vect_recog_widen_mult_pattern):
7646         Formatting fix.
7647
7648 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
7649
7650         PR rtl-optimization/69764
7651         PR rtl-optimization/69771
7652         * optabs.c (expand_binop): Ensure for shift optabs invalid CONST_INT
7653         op1 is valid for GET_MODE_INNER (mode) and force it into a reg.
7654
7655 2016-02-16  Richard Biener  <rguenther@suse.de>
7656
7657         PR tree-optimization/69776
7658         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Get alias
7659         sets from caller.
7660         (indirect_refs_may_alias_p): Likewise.
7661         (refs_may_alias_p_1): Pass alias sets as from ao_ref.
7662         * tree-ssa-sccvn.c (vn_reference_lookup): Also adjust vr alias-set
7663         according to tbaa_p.
7664         * tree-ssa-dom.c (lookup_avail_expr): Add tbaa_p flag.
7665         (optimize_stmt): For redundant store discovery do not allow tbaa.
7666
7667 2016-02-16  Bernd Schmidt  <bschmidt@redhat.com>
7668
7669         PR tree-optimization/69714
7670         * tree-ssa-math-opts.c (find_bswap_or_nop): Revert previous change.
7671         Return NULL if we have irrelevant high bytes on BIG_ENDIAN.
7672
7673 2016-02-16  Claudiu Zissulescu  <claziss@synopsys.com>
7674
7675         * config/arc/arc-modes.def (CC_FPU, CC_FPU_UNEQ): New modes.
7676         * config/arc/arc-opts.h (FPU_SP, FPU_SF, FPU_SC, FPU_SD, FPU_DP)
7677         (FPU_DF, FPU_DC, FPU_DD, FXP_DP): Define.
7678         * config/arc/arc.c (arc_init): Check FPU options.
7679         (get_arc_condition_code): Handle new CC_FPU* modes.
7680         (arc_select_cc_mode): Likewise.
7681         (arc_conditional_register_usage): Allow 64 bit datum into even-odd
7682         register pair only. Allow access for ARCv2 accumulator.
7683         (gen_compare_reg): Whenever we have FPU support use FPU compare
7684         instructions.
7685         (arc_reorg): Don't generate brcc insns when FPU compare
7686         instructions are involved.
7687         * config/arc/arc.h (TARGET_DPFP): Add TARGET_FP_DPAX condition.
7688         (TARGET_OPTFPE): Add condition when ARC EM can use optimized
7689         floating point emulation.
7690         (ACC_REG_FIRST, ACC_REG_LAST, ACCL_REGNO, ACCH_REGNO): Define.
7691         (REVERSE_CONDITION): Add new CC_FPU* modes.
7692         (TARGET_FP_SP_BASE): Define.
7693         (TARGET_FP_DP_BASE): Likewise.
7694         (TARGET_FP_SP_FUSED): Likewise.
7695         (TARGET_FP_DP_FUSED): Likewise.
7696         (TARGET_FP_SP_CONV): Likewise.
7697         (TARGET_FP_DP_CONV): Likewise.
7698         (TARGET_FP_SP_SQRT): Likewise.
7699         (TARGET_FP_DP_SQRT): Likewise.
7700         (TARGET_FP_DP_AX): Likewise.
7701         * config/arc/arc.md (ARCV2_ACC): New constant.
7702         (type): New fpu type attribute.
7703         (SDF): Conditional iterator.
7704         (cstore<mode>, cbranch<mode>): Change expand condition.
7705         (addsf3, subsf3, mulsf3, adddf3, subdf3, muldf3): New expands,
7706         handles FPU/FPX cases as well.
7707         * config/arc/arc.opt (mfpu): New option.
7708         * config/arc/fpx.md (addsf3_fpx, subsf3_fpx, mulsf3_fpx):
7709         Renamed.
7710         (adddf3, muldf3, subdf3): Removed.
7711         * config/arc/predicates.md (proper_comparison_operator): Recognize
7712         CC_FPU* modes.
7713         * config/arc/fpu.md: New file.
7714         * doc/invoke.texi (ARC Options): Document mfpu option.
7715
7716 2016-02-16  Richard Biener  <rguenther@suse.de>
7717
7718         PR rtl-optimization/69291
7719         * ifcvt.c (noce_try_store_flag_constants): Re-instantiate
7720         noce_operand_ok check.
7721
7722 2016-02-16  Tom de Vries  <tom@codesourcery.com>
7723
7724         PR lto/67709
7725         * omp-low.c (simd_clone_create): Remove call to
7726         symtab->call_cgraph_insertion_hooks.
7727
7728 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
7729
7730         PR tree-optimization/69802
7731         * tree-ssa-reassoc.c (update_range_test): If op is
7732         SSA_NAME_IS_DEFAULT_DEF, give up unless tem is a positive
7733         op == 1 test of precision 1 integral op, otherwise handle
7734         that case as op itself.  Fix up formatting.
7735         (optimize_range_tests_to_bit_test, optimize_range_tests): Fix
7736         up formatting.
7737
7738 2016-02-16  Richard Biener  <rguenther@suse.de>
7739
7740         PR tree-optimization/69586
7741         * tree-vrp.c (register_edge_assert_for_2): Handle all integral
7742         types for conversion sources.
7743
7744 2016-02-16  Richard Biener  <rguenther@suse.de>
7745
7746         PR middle-end/69801
7747         * fold-const.c (operand_equal_p): For COND_EXPR zero operand
7748         mask OEP_ADDRESS_OF.
7749
7750 2016-02-16  Alan Modra  <amodra@gmail.com>
7751
7752         PR target/68973
7753         * config/rs6000/rs6000.md (reload_vsx_from_gprsf): Rewrite splitter.
7754         (p8_mtvsrd_df, p8_mtvsrd_sf): New.
7755         (p8_mtvsrd_1, p8_mtvsrd_2): Delete.
7756         (p8_mtvsrwz): New.
7757         (p8_mtvsrwz_1, p8_mtvsrwz_2): Delete.
7758         (p8_xxpermdi_<mode>): Take two DF inputs rather than one TF.
7759         (p8_fmrgow_<mode>): Likewise.
7760         (reload_vsx_from_gpr<mode>): Make clobber IF.  Adjust for above
7761         changes.
7762         (reload_fpr_from_gpr<mode>): Similarly. Use "d" for op0 constraint.
7763         (reload_vsx_from_gprsf): Use p8_mtvsrd_sf rather than attempting
7764         to use movdi_internal64.  Remove op0_di.
7765         * config/rs6000/vsx.md (vsx_xscvspdpn_directmove): Make op1 SFmode.
7766
7767 2016-02-15  Evandro Menezes  <e.menezes@samsung.com>
7768
7769         Add support for the FCCMP insn types
7770
7771         * config/aarch64/aarch64.md (fccmp): Change insn type.
7772         (fccmpe): Likewise.
7773         * config/aarch64/thunderx.md (thunderx_fcmp): Add "fccmp{s,d}" types.
7774         * config/arm/cortex-a53.md (cortex_a53_fpalu): Likewise.
7775         * config/arm/cortex-a57.md (cortex_a57_fp_cmp): Likewise.
7776         * config/arm/xgene1.md (xgene1_fcmp): Likewise.
7777         * config/arm/exynos-m1.md (exynos_m1_fp_ccmp): New insn reservation.
7778         * config/arm/types.md (fccmps): Add new insn type.
7779         (fccmpd): Likewise.
7780
7781 2016-02-15  Bernd Edlinger  <bernd.edlinger@hotmail.de>
7782
7783         * alias.c (get_alias_set): Fix a typo in comment.
7784
7785 2016-02-15  Richard Biener  <rguenther@suse.de>
7786
7787         PR tree-optimization/69595
7788         * match.pd: Complete range test simplification to true.
7789
7790 2016-02-15  Bernd Schmidt  <bschmidt@redhat.com>
7791
7792         PR rtl-optimization/69648
7793         * lra-constraints.c (update_ebb_live_info): Don't remove sets of
7794         pic_offset_table_rtx.
7795
7796         PR rtl-optimization/69752
7797         * ira.c (update_equiv_regs): When looking for more than a single SET,
7798         also take other side effects into account.
7799
7800 2016-02-15  Marcin Kościelnicki  <koriakin@0x04.net>
7801
7802         * config/s390/s390.c (s390_function_profiler): Add a new sequence
7803         for z900+ CPUs in 31-bit mode.
7804
7805 2016-02-15  Marcin Kościelnicki  <koriakin@0x04.net>
7806
7807         * common/config/s390/s390-common.c (s390_supports_split_stack):
7808         New function.
7809         (TARGET_SUPPORTS_SPLIT_STACK): New macro.
7810         * config/s390/s390-protos.h: Add s390_expand_split_stack_prologue.
7811         * config/s390/s390.c (struct machine_function): New field
7812         split_stack_varargs_pointer.
7813         (s390_register_info): Mark r12 as clobbered if it'll be used as temp
7814         in s390_emit_prologue.
7815         (s390_emit_prologue): Use r12 as temp if r1 is taken by split-stack
7816         vararg pointer.
7817         (morestack_ref): New global.
7818         (SPLIT_STACK_AVAILABLE): New macro.
7819         (s390_expand_split_stack_prologue): New function.
7820         (s390_live_on_entry): New function.
7821         (s390_va_start): Use split-stack vararg pointer if appropriate.
7822         (s390_asm_file_end): Emit the split-stack note sections.
7823         (TARGET_EXTRA_LIVE_ON_ENTRY): New macro.
7824         * config/s390/s390.md (UNSPEC_STACK_CHECK): New unspec.
7825         (UNSPECV_SPLIT_STACK_CALL): New unspec.
7826         (UNSPECV_SPLIT_STACK_DATA): New unspec.
7827         (split_stack_prologue): New expand.
7828         (split_stack_space_check): New expand.
7829         (split_stack_data): New insn.
7830         (split_stack_call): New expand.
7831         (split_stack_call_*): New insn.
7832         (split_stack_cond_call): New expand.
7833         (split_stack_cond_call_*): New insn.
7834
7835 2016-02-15  Richard Biener  <rguenther@suse.de>
7836
7837         PR tree-optimization/69783
7838         * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
7839         Add trivially correct cases.
7840
7841 2016-02-15  Tom de Vries  <tom@codesourcery.com>
7842
7843         PR lto/69655
7844         * lto-cgraph.c (input_offload_tables): Add and handle bool parameter
7845         do_force_output.
7846         * lto-streamer.h (input_offload_tables): Add and handle bool parameter.
7847
7848 2016-02-15  Richard Biener  <rguenther@suse.de>
7849
7850         PR tree-optimization/69776
7851         * tree-ssa-sccvn.h (vn_reference_lookup): Adjust prototype.
7852         * tree-ssa-sccvn.c (vn_reference_lookup): Add parameter to
7853         indicate whether we can use TBAA to disambiguate against stores.
7854         Use alias-set zero if not.
7855         (visit_reference_op_store): Do not use TBAA when looking up
7856         redundant stores.
7857         * tree-ssa-pre.c (compute_avail): Use TBAA here.
7858         (eliminate_dom_walker::before_dom_children): But not when looking
7859         up redundant stores.
7860
7861 2016-02-14  John David Anglin  <danglin@gcc.gnu.org>
7862
7863         * config/pa/pa.md (absqi2, absghi2, bswaphi2, bswapsi2, bswapdi2): New.
7864
7865 2016-02-14  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
7866
7867         *  config/i386/znver1.md
7868         (znver1_pop, znver1_pop_mem,
7869         znver1_load_imov_double_store,
7870         znver1_load_imov_direct_store,
7871         znver1_load_imov_direct_load,
7872         znver1_load_imov_double_load): Add new.
7873         (znver1_insn, znver1_insn_load): Add icmov type.
7874         (znver1_sseavx_fma,
7875         znver1_sseavx_fma_load,
7876         znver1_avx256_fma,
7877         znver1_avx256_fma_load): Fix pipe usage.
7878
7879 2016-02-14  Alan Modra  <amodra@gmail.com>
7880
7881         PR target/68973
7882         * reloads.c (find_reloads_address_1): For pre/post-inc/dec
7883         with an invalid hard reg, reload just the reg not the entire
7884         pre/post-inc/dec address expression.
7885
7886 2016-02-13  Oleg Endo  <olegendo@gcc.gnu.org>
7887
7888         PR target/67260
7889         * config/sh/sh.md (sibcall_value_pcrel): Replace =&k scratch reg with
7890         fixed R1_REG scratch reg.
7891         (sibcall_value_pcrel_fdpic): Likewise.
7892
7893 2016-02-13  Oleg Endo  <olegendo@gcc.gnu.org>
7894
7895         PR target/67636
7896         PR target/64345
7897         * config/sh/sh.md (*zero_extract_3): New insn_and_split pattern.
7898
7899 2016-02-12  Walter Lee  <walt@tilera.com>
7900
7901         * config/tilepro/t-tilepro: Replace CC_FOR_BUILD with CXX_FOR_BUILD.
7902         * config/tilegx/t-tilegx: Likewise.
7903
7904 2016-02-12  David Malcolm  <dmalcolm@redhat.com>
7905
7906         PR other/69554
7907         * diagnostic-show-locus.c (struct line_span): New struct.
7908         (layout::get_first_line): Delete.
7909         (layout::get_last_line): Delete.
7910         (layout::get_num_line_spans): New member function.
7911         (layout::get_line_span): Likewise.
7912         (layout::print_heading_for_line_span_index_p): Likewise.
7913         (layout::get_expanded_location): Likewise.
7914         (layout::calculate_line_spans): Likewise.
7915         (layout::m_first_line): Delete.
7916         (layout::m_last_line): Delete.
7917         (layout::m_line_spans): New field.
7918         (layout::layout): Update comment.  Replace m_first_line and
7919         m_last_line with m_line_spans, replacing their initialization
7920         with a call to calculate_line_spans.
7921         (diagnostic_show_locus): When printing source lines and
7922         annotations, rather than looping over a single span
7923         of lines, instead loop over each line_span within
7924         the layout, with an inner loop over the lines within them.
7925         Call the context's start_span callback when changing line spans.
7926         * diagnostic.c (diagnostic_initialize): Initialize start_span.
7927         (diagnostic_build_prefix): Break out the building of the location
7928         part of the string into...
7929         (diagnostic_get_location_text): ...this new function, rewriting
7930         it from nested ternary expressions to a sequence of "if"
7931         statements.
7932         (default_diagnostic_start_span_fn): New function.
7933         * diagnostic.h (diagnostic_start_span_fn): New typedef.
7934         (diagnostic_context::start_span): New field.
7935         (default_diagnostic_start_span_fn): New prototype.
7936
7937 2016-02-12  David Malcolm  <dmalcolm@redhat.com>
7938
7939         PR driver/69779
7940         * gcc.c (driver::finalize): Fix cleanup of "specs".
7941
7942 2016-02-12  David Malcolm  <dmalcolm@redhat.com>
7943
7944         PR driver/69265
7945         PR driver/69453
7946         * gcc.c (driver::driver): Initialize m_option_suggestions.
7947         (driver::~driver): Clean up m_option_suggestions.
7948         (suggest_option): Convert to...
7949         (driver::suggest_option): ...this, and split out into
7950         driver::build_option_suggestions and find_closest_string.
7951         (driver::build_option_suggestions): New function, from
7952         first half of suggest_option.  Special-case
7953         OPT_fsanitize_ and OPT_fsanitize_recover_, making use of
7954         the sanitizer_opts array.  For options of enum types, add the
7955         various enum values to the candidate strings.
7956         (driver::handle_unrecognized_options): Remove "const".
7957         * gcc.h (driver::handle_unrecognized_options): Likewise.
7958         (driver::build_option_suggestions): New decl.
7959         (driver::suggest_option): New decl.
7960         (driver::m_option_suggestions): New field.
7961         * opts-common.c (add_misspelling_candidates): New function.
7962         * opts.c (sanitizer_opts): Remove decl of struct sanitizer_opts_s
7963         and make non-static.
7964         * opts.h (sanitizer_opts): New array decl.
7965         (add_misspelling_candidates): New function decl.
7966         * spellcheck.c (find_closest_string): New function.
7967         * spellcheck.h (find_closest_string): New function decl.
7968
7969 2016-02-12  Jakub Jelinek  <jakub@redhat.com>
7970
7971         PR rtl-optimization/69764
7972         PR rtl-optimization/69771
7973         * optabs.c (expand_binop_directly): For shift_optab_p, force
7974         convert_modes with VOIDmode if xop1 has VOIDmode.
7975
7976 2016-02-12  Ilya Enkovich  <enkovich.gnu@gmail.com>
7977
7978         PR target/69729
7979         * lto-streamer-out.c (lto_output): Use thunk.add_pointer_bounds_args
7980         to correctly determine instrumentation thunks.
7981
7982 2016-02-12  Jakub Jelinek  <jakub@redhat.com>
7983
7984         PR ipa/69241
7985         * ipa-split.c (split_function): If split part returns TREE_ADDRESSABLE
7986         type by reference, force lhs on the call.
7987
7988         PR ipa/68672
7989         * ipa-split.c (split_function): Don't compute/use main_part_return_p.
7990         Compute retval and retbnd early in all cases if split_part_return_p
7991         and return_bb is not EXIT.  Remove all clobber stmts and reset
7992         all debug stmts that refer to SSA_NAMEs defined in split part,
7993         except if it is retval, in that case replace the old retval with the
7994         lhs of the call to the split part.
7995
7996 2016-02-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
7997
7998         revert:
7999         2016-02-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
8000
8001         PR middle-end/66726
8002         * tree-ssa-reassoc.c (optimize_range_tests): Handle tcc_compare stmt
8003         whose result is used in PHI.
8004         (maybe_optimize_range_tests): Likewise.
8005         (final_range_test_p): Likweise.
8006
8007 2016-02-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
8008
8009         PR middle-end/66726
8010         * tree-ssa-reassoc.c (optimize_range_tests): Handle tcc_compare stmt
8011         whose result is used in PHI.
8012         (maybe_optimize_range_tests): Likewise.
8013         (final_range_test_p): Likweise.
8014
8015 2016-02-12  Jakub Jelinek  <jakub@redhat.com>
8016
8017         * cgraph.c: Spelling fixes - behaviour -> behavior and
8018         neighbour -> neighbor.
8019         * target.def: Likewise.
8020         * sel-sched.c: Likewise.
8021         * config/mips/mips.c: Likewise.
8022         * config/arc/arc.md: Likewise.
8023         * config/arm/cortex-a57.md: Likewise.
8024         * config/arm/arm.c: Likewise.
8025         * config/arm/neon.md: Likewise.
8026         * config/arm/arm-c.c: Likewise.
8027         * config/vms/vms-c.c: Likewise.
8028         * config/s390/s390.c: Likewise.
8029         * config/i386/znver1.md: Likewise.
8030         * config/i386/i386.c: Likewise.
8031         * config/ia64/hpux-unix2003.h: Likewise.
8032         * config/msp430/msp430.md: Likewise.
8033         * config/rx/rx.c: Likewise.
8034         * config/rx/rx.md: Likewise.
8035         * config/aarch64/aarch64-simd.md: Likewise.
8036         * config/aarch64/aarch64.c: Likewise.
8037         * config/nvptx/nvptx.c: Likewise.
8038         * config/bfin/bfin.c: Likewise.
8039         * config/cris/cris.opt: Likewise.
8040         * config/rs6000/rs6000.c: Likewise.
8041         * target.h: Likewise.
8042         * spellcheck.c: Likewise.
8043         * ira-build.c: Likewise.
8044         * tree-inline.c: Likewise.
8045         * builtins.c: Likewise.
8046         * lra-constraints.c: Likewise.
8047         * explow.c: Likewise.
8048         * hwint.h: Likewise.
8049         * targhooks.c: Likewise.
8050         * tree-vect-data-refs.c: Likewise.
8051         * expr.c: Likewise.
8052         * doc/tm.texi: Likewise.
8053         * doc/extend.texi: Likewise.
8054         * doc/install.texi: Likewise.
8055         * doc/md.texi: Likewise.
8056         * tree-ssa-tail-merge.c: Likewise.
8057         * sched-int.h: Likewise.
8058         * match.pd: Likewise.
8059         * sched-ebb.c: Likewise.
8060         * target.def (omit_struct_return_reg): Likewise.
8061         * gimple-ssa-isolate-paths.c: Likewise.
8062         (find_implicit_erroneous_behaviour): Renamed to...
8063         (find_implicit_erroneous_behavior): ... this.
8064         (find_explicit_erroneous_behaviour): Renamed to...
8065         (find_explicit_erroneous_behavior): ... this.
8066         (gimple_ssa_isolate_erroneous_paths): Adjust caller.
8067
8068 2016-02-11  Segher Boessenkool  <segher@kernel.crashing.org>
8069
8070         PR rtl-optimization/64682
8071         PR rtl-optimization/69567
8072         PR rtl-optimization/69737
8073         * combine.c (distribute_notes) <REG_DEAD>: If the register is set
8074         in I2 as well, just lose it.
8075
8076 2016-02-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8077
8078         * config/aarch64/aarch64.c (aarch64_last_printed_arch_string):
8079         New variable.
8080         (aarch64_last_printed_tune_string): Likewise.
8081         (aarch64_declare_function_name): Only output .arch assembler
8082         directive if it will be different from the previously output
8083         directive.  Same for .tune comment but only if -dA is set.
8084         (aarch64_start_file): New function.
8085         (TARGET_ASM_FILE_START): Define.
8086
8087 2016-02-11  David Malcolm  <dmalcolm@redhat.com>
8088
8089         PR plugins/69758
8090         * Makefile.in (PLUGIN_HEADERS): Add params.list.
8091
8092 2016-02-11  Jakub Jelinek  <jakub@redhat.com>
8093
8094         PR target/65313
8095         * tree-vect-slp.c (vect_schedule_slp_instance): Avoid
8096         -Wmaybe-uninitialized warning.
8097
8098 2016-02-11  Oleg Endo  <olegendo@gcc.gnu.org>
8099
8100         PR target/69713
8101         * config/sh/sh.md (casesi_worker_0): Add T_REG use.
8102
8103 2016-02-11  Richard Biener  <rguenther@suse.de>
8104
8105         PR rtl-optimization/69291
8106         * ifcvt.c (noce_try_store_flag_constants): Do not allow
8107         subexpressions affected by changing the result.
8108
8109 2016-02-10  Vladimir Makarov  <vmakarov@redhat.com>
8110
8111         PR target/69148
8112         * lra-constraints.c (curr_insn_transform): Find in/out operands
8113         for secondary memory moves.  Update dups.
8114
8115 2016-02-10  Yuri Rumyantsev  <ysrumyan@gmail.com>
8116
8117         PR tree-optimization/69652
8118         * tree-vect-loop.c (optimize_mask_stores): Move declaration of STMT1
8119         to nested loop, did source re-formatting, skip debug statements,
8120         add check on statement with volatile operand, remove dead scalar
8121         statements.
8122
8123 2016-02-10  Jakub Jelinek  <jakub@redhat.com>
8124             Patrick Palka  <ppalka@gcc.gnu.org>
8125
8126         PR ipa/69241
8127         PR c++/69649
8128         * gimplify.c (gimplify_modify_expr): Set lhs even for noreturn
8129         calls if the return type is TREE_ADDRESSABLE.
8130         * cgraphunit.c (cgraph_node::expand_thunk): Likewise.
8131         * ipa-split.c (split_function): Fix doubled "we" in comment.
8132         Use void return type for the split part even if
8133         !split_point->split_part_set_retval.
8134
8135 2016-02-10  Bin Cheng  <bin.cheng@arm.com>
8136
8137         PR tree-optimization/68021
8138         * tree-ssa-loop-ivopts.c (get_computation_aff): Set ratio to 1 if
8139         when computing the value of biv cand by itself.
8140
8141 2016-02-10  Wilco Dijkstra  <wdijkstr@arm.com>
8142
8143         * config/aarch64/aarch64.c (cortexa53_tunings): Enable AES fusion.
8144         (cortexa57_tunings): Likewise.
8145         (cortexa72_tunings): Likewise.
8146         (arch_macro_fusion_pair_p): Add support for AES fusion.
8147         * config/aarch64/aarch64-fusion-pairs.def: Add AES_AESMC entry.
8148         * config/arm/aarch-common.c (aarch_crypto_can_dual_issue):
8149         Allow virtual registers before reload so early scheduling works.
8150         * config/arm/cortex-a57.md (cortex_a57_crypto_simple): Use
8151         correct latency and pipeline.
8152         (cortex_a57_crypto_complex): Likewise.
8153         (cortex_a57_crypto_xor): Likewise.
8154         (define_bypass): Add AES bypass.
8155
8156 2016-02-10  Richard Biener  <rguenther@suse.de>
8157
8158         PR tree-optimization/69726
8159         * passes.def: Add DCE pass before late uninit.
8160         * match.pd: Add A ? B : (!A ? C : X) -> A ? B : C patterns to
8161         really fixup if-conversions job.
8162
8163 2016-02-10  Wilco Dijkstra  <wdijkstr@arm.com>
8164
8165         * config/arm/arm.c (arm_cortex_a53_tune): Enable AES fusion.
8166         (arm_cortex_a57_tune): Likewise.
8167         (aarch_macro_fusion_pair_p): Add support for AES fusion.
8168         * config/arm/arm-protos.h (fuse_ops): Add FUSE_AES_AESMC.
8169
8170 2016-02-10  Eric Botcazou  <ebotcazou@adacore.com>
8171
8172         * timevar.def (TV_PHASE_DBGINFO): Delete.
8173         (TV_PHASE_CHECK_DBGINFO): Likewise.
8174         * varpool.c (varpool_node::assemble_decl): Do not change timevar.
8175
8176 2016-02-10  Richard Biener  <rguenther@suse.de>
8177
8178         PR tree-optimization/69719
8179         * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
8180         Adjust previous fix by ensuring that dr_a1 is left of dr_a2.
8181
8182 2016-02-09  Andrew Pinski  <apinski@cavium.com>
8183
8184         PR tree-opt/69282
8185         * optabs-tree.c (expand_vec_cond_expr_p): Don't early return if
8186         get_vcond_mask_icode returns false.
8187
8188 2016-02-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
8189
8190         PR target/68404
8191         * config/rs6000/predicates.md (fusion_gpr_addis): Prevent fusing
8192         an ADDIS that adds a pointer to a large constant that sets the
8193         upper16 bits with a load operation.
8194
8195 2016-02-09  Charles Baylis  <charles.baylis@linaro.org>
8196
8197         PR target/68532
8198         * config/arm/arm.c (arm_evpc_neon_vzip): Allow for big endian lane
8199         order.
8200         * config/arm/arm_neon.h (vzipq_s8): Adjust shuffle patterns for big
8201         endian.
8202         (vzipq_s16): Likewise.
8203         (vzipq_s32): Likewise.
8204         (vzipq_f32): Likewise.
8205         (vzipq_u8): Likewise.
8206         (vzipq_u16): Likewise.
8207         (vzipq_u32): Likewise.
8208         (vzipq_p8): Likewise.
8209         (vzipq_p16): Likewise.
8210
8211 2016-02-09  Charles Baylis  <charles.baylis@linaro.org>
8212
8213         PR target/68532
8214         * config/arm/arm.c (neon_endian_lane_map): New function.
8215         (neon_vector_pair_endian_lane_map): New function.
8216         (arm_evpc_neon_vuzp): Allow for big endian lane order.
8217         * config/arm/arm_neon.h (vuzpq_s8): Adjust shuffle patterns for big
8218         endian.
8219         (vuzpq_s16): Likewise.
8220         (vuzpq_s32): Likewise.
8221         (vuzpq_f32): Likewise.
8222         (vuzpq_u8): Likewise.
8223         (vuzpq_u16): Likewise.
8224         (vuzpq_u32): Likewise.
8225         (vuzpq_p8): Likewise.
8226         (vuzpq_p16): Likewise.
8227
8228 2016-02-11  Alexandre Oliva  <aoliva@redhat.com>
8229
8230         PR target/69634
8231         * regstat.c (regstat_bb_compute_calls_crossed): Disregard
8232         debug insns.
8233
8234 2016-02-09  Uros Bizjak  <ubizjak@gmail.com>
8235
8236         * config/i386/i386.md (insv<mode>_1): Use gen_int_mode to
8237         truncate const_int operand 1 to QImode.
8238
8239 2016-02-09  Eric Botcazou  <ebotcazou@adacore.com>
8240
8241         * gimple-ssa-backprop.c (optimize_phi): Do not replace an argument
8242         corresponding to an abnormal edge.
8243
8244 2016-02-09  Tom de Vries  <tom@codesourcery.com>
8245
8246         PR tree-optimization/69599
8247         * tree-ssa-structalias.c (fndecl_maybe_in_other_partition): New
8248         function.
8249         (find_func_aliases_for_builtin_call, find_func_clobbers)
8250         (ipa_pta_execute):  Handle case that foo and foo._0 are not in same lto
8251         partition.
8252
8253 2016-02-09  Richard Biener  <rguenther@suse.de>
8254
8255         PR tree-optimization/69715
8256         * tree-ssa.c (execute_update_addresses_taken): Mark non-decl
8257         LHS on calls as non-rewritable.
8258
8259 2016-02-09  Tom de Vries  <tom@codesourcery.com>
8260
8261         PR lto/69707
8262         * lto-wrapper.c (append_diag_options): New function.
8263         (compile_offload_image): Call append_diag_options.
8264
8265 2016-02-08  Sandra Loosemore  <sandra@codesourcery.com>
8266
8267         PR other/69722
8268         * doc/extend.texi (Flag Output Operands): Correct sectioning.
8269         Minor copy-edit to fix verb tenses.
8270
8271 2016-02-08  Jakub Jelinek  <jakub@redhat.com>
8272
8273         PR tree-optimization/69209
8274         * ipa-split.c (split_function): If split part is not
8275         returning retval, retval has gimple type but is not
8276         gimple value, force it into a SSA_NAME first.
8277
8278 2016-02-08  Nicklas Bo Jensen  <nbjensen@gmail.com>
8279
8280         * doc/tree-ssa.texi (Preserving the virtual SSA form): Remove
8281         outdated section.
8282
8283 2016-02-08  Jason Merrill  <jason@redhat.com>
8284
8285         PR c++/69631
8286         * convert.c (convert_to_integer_1): Check dofold on truncation
8287         distribution.
8288         (convert_to_pointer_maybe_fold, convert_to_real_maybe_fold)
8289         (convert_to_integer_maybe_fold, convert_to_complex_maybe_fold):
8290         Rename from *_nofold.
8291         * convert.h (convert_to_pointer_nofold, convert_to_integer_nofold)
8292         (convert_to_real_nofold, convert_to_complex_nofold): New inlines.
8293
8294 2016-02-08  Bernd Schmidt  <bschmidt@redhat.com>
8295
8296         PR target/60410
8297         * tree.c (build_common_tree_nodes): Remove short_double argument.
8298         All callers changed.
8299         * tree.h (build_common_tree_nodes): Adjust declaration.
8300         * doc/invoke.texi (-fshort-double): Remove documentation.
8301         * config/mips/t-img-elf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
8302         MULTILIB_EXCEPTIONS): Remove -fshort-double variant.
8303         * lto-wrapper.c (merge_and_complain, append_compiler_options)
8304         (append_linker_options): Don't handle OPT_fshort_double.
8305
8306         PR rtl-optimization/68730
8307         * lra-remat.c (insn_to_cand_activation): New static variable.
8308         (lra_remat): Allocate and free it.
8309         (create_cand): New arg activation. Initialize a field in
8310         insn_to_cand_activation if it is nonnull.
8311         (create_cands): Pass the activation insn to create_cand when making
8312         a candidate involving an output reload.  Reorganize code a little.
8313         (do_remat): Keep track of active status of candidates in a separate
8314         bitmap.
8315
8316 2016-02-08  Richard Biener  <rguenther@suse.de>
8317
8318         PR tree-optimization/69719
8319         * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
8320         Properly use absolute of the difference of the two offsets to
8321         compare or adjust the segment length.
8322
8323 2016-02-08  Richard Biener  <rguenther@suse.de>
8324             Jeff Law  <law@redhat.com>
8325
8326         PR target/68273
8327         * tree-ssanames.c (make_ssa_name_fn): Always use unqualified
8328         types for anonymous SSA names.
8329
8330 2016-02-08   Richard Biener  <rguenther@suse.de>
8331
8332         PR rtl-optimization/69274
8333         * ira.c (ira_setup_alts): Do not change recog_data.operand order.
8334
8335 2016-02-08  Jeff Law  <law@redhat.com>
8336
8337         PR tree-optimization/65917
8338         * tree-ssa-dom.c (record_temporary_equivalences): Record both
8339         equivalences from if (x == y) style conditionals.
8340         (loop_depth_of_name): Remove.
8341         (record_equality): Remove loop depth check.
8342         * tree-ssa-scopedtables.h (const_and_copies): Refine comments.
8343         (const_and_copies::record_const_or_copy_raw): New member function.
8344         * tree-ssa-scopedtables.c
8345         (const_and_copies::record_const_or_copy_raw): New, factored out of
8346         (const_and_copies::record_const_or_copy): Call new member function.
8347
8348 2016-02-05  Jeff Law  <law@redhat.com>
8349
8350         PR tree-optimization/68541
8351         * gimple-ssa-split-paths.c: Include tree-cfg.h and params.h.
8352         (count_stmts_in_block): New function.
8353         (poor_ifcvt_candidate_code): Likewise.
8354         (is_feasible_trace): Add some heuristics to determine when path
8355         splitting is profitable.
8356         (find_block_to_duplicate_for_splitting_paths): Make sure the graph
8357         is a diamond with a single exit.
8358
8359 2016-02-05  Martin Sebor  <msebor@redhat.com>
8360
8361         PR c++/69662
8362         * doc/invoke.texi: Update -Wplacement-new to take an optional
8363         argument.
8364
8365 2016-02-06  Richard Henderson  <rth@redhat.com>
8366
8367         PR c/69643
8368         * tree.c (tree_nop_conversion_p): Do not strip casts into or
8369         out of non-standard address spaces.
8370
8371 2016-02-05  Jakub Jelinek  <jakub@redhat.com>
8372
8373         PR rtl-optimization/69691
8374         * lra-eliminations.c (move_plus_up): Don't add the addend twice.
8375
8376 2016-02-05  Pat Haugen  <pthaugen@us.ibm.com>
8377
8378         * config/rs6000/crypto.md (crypto_vpermxor_<mode>): Correct insn type.
8379         * config/rs6000/rs6000.md (mov<mode>_hardfloat): Likewise.
8380         (*ieee128_mfvsrd_64bit): Likewise.
8381         (*ieee128_mfvsrd_32bit): Likewise.
8382
8383 2016-02-05  Ilya Enkovich  <enkovich.gnu@gmail.com>
8384
8385         PR target/69369
8386         Revert r232560:
8387         2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
8388
8389         * cgraphunit.c (cgraph_node::reset): Clear thunk info and
8390         instrumented_version.
8391
8392 2016-01-05  Jeremy Bennett  <jeremy.bennett@embecosm.com>
8393
8394         * doc/invoke.texi (Optimize Options): In table of --param options
8395         rename second occurrence of tracer-min-branch-ratio to
8396         tracer-min-branch-probability, rename
8397         tracer-min-branch-ratio-feedback to
8398         tracer-min-branch-probability-feedback and clarify description,
8399         rename sched-spec-state-edge-prob-cutoff to
8400         sched-state-edge-prob-cutoff, rename selsched-max-insns-to-rename
8401         to selsched-insns-to-rename, rename lto-minpartition to
8402         lto-min-partition, delete reorder-blocks-duplicate and
8403         reorder-blocks-duplicate-feedback.
8404
8405 2016-02-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8406
8407         * config/s390/s390.c (s390_register_info_set_ranges): Remove
8408         superfluous loops.
8409
8410 2016-02-05  Dominik Vogt  <vogt@linux.vnet.ibm.com>
8411
8412         * doc/extend.texi: S/390: Correct some typos.
8413
8414 2016-02-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8415
8416         * config/s390/s390.c (s390_emit_call): Add missing 64 bit check.
8417
8418 2016-02-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8419
8420         PR target/69625
8421         * config/s390/s390.c (SAVE_SLOT_NONE, SAVE_SLOT_STACK): New defines.
8422         (s390_register_info_gprtofpr): Use new macros above.
8423         (s390_register_info_stdarg_fpr): Adjust max_fpr to better match
8424         its name.
8425         (s390_register_info_stdarg_gpr): Adjust max_gpr to better match
8426         its name.  Adjust restore and save gpr ranges.
8427         (s390_register_info_set_ranges): New function.
8428         (s390_register_info): Use new macros above.  Call
8429         s390_register_info_set_ranges.
8430         (s390_optimize_register_info): Likewise.
8431         (s390_hard_regno_rename_ok): Use new macros.
8432         (s390_hard_regno_scratch_ok): Likewise.
8433         (s390_emit_epilogue): Likewise.
8434         (s390_can_use_return_insn): Likewise.
8435         (s390_optimize_prologue): Likewise.
8436         * config/s390/s390.md (GPR2_REGNUM, GPR6_REGNUM): New constants.
8437
8438 2016-02-05  Jakub Jelinek  <jakub@redhat.com>
8439
8440         PR bootstrap/69677
8441         * config/i386/i386.c (convert_scalars_to_vector): Readd stack
8442         alignment fixes.
8443         (ix86_option_override_internal): Disable TARGET_STV even for
8444         -m{incoming,preferred}-stack-boundary=3.
8445
8446 2016-02-03  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
8447
8448         * config.gcc: Mark deprecated rtems targets as obsolete.
8449
8450 2016-02-04  Segher Boessenkool  <segher@kernel.crashing.org>
8451
8452         PR rtl-optimization/64682
8453         PR rtl-optimization/69567
8454         * combine.c (distribute_notes) <REG_DEAD>: Place the death note
8455         before I2 only if the register is both used and set in I2.
8456
8457 2016-02-04  DJ Delorie  <dj@redhat.com>
8458
8459         * config/msp430/msp430.c (msp430_start_function): Add function type.
8460
8461 2016-02-04  Jakub Jelinek  <jakub@redhat.com>
8462
8463         PR fortran/69368
8464         * tree-dfa.c (get_ref_base_and_extent): Remove unreachable code.
8465
8466 2016-02-04  Uros Bizjak  <ubizjak@gmail.com>
8467
8468         PR rtl-optimization/69577
8469         Revert:
8470         2015-10-29  Richard Henderson  <rth@redhat.com>
8471
8472         PR target/68124
8473         PR rtl-opt/67609
8474         * config/i386/i386.c (ix86_cannot_change_mode_class): Tighten
8475         sse check to the exact conditions of PR 67609.
8476
8477 2016-02-04  Michael Meissner  <meissner@linux.vnet.ibm.com>
8478
8479         PR target/69667
8480         * config/rs6000/rs6000.md (mov<mode>_64bit_dm): Use 'd' constraint
8481         instead of 'ws', and 'wh' instead of 'wm' since TFmode/IFmode are
8482         not allowed into the traditional Altivec registers.
8483         (movtd_64bit_nodm): Likewise.
8484         (mov<mode>_32bit, FMOVE128_FPR iterator): Likewise.
8485
8486 2016-02-04  David Malcolm  <dmalcolm@redhat.com>
8487
8488         * config/aarch64/cortex-a57-fma-steering.c
8489         (aarch64_register_fma_steering): Remove "static" from arguments
8490         to register_pass.
8491
8492 2016-02-04  Wilco Dijkstra  <wdijkstr@arm.com>
8493
8494         PR target/69619
8495         * ccmp.c (expand_ccmp_expr_1): Avoid evaluating gs0/gs1
8496         twice when complex.
8497
8498 2016-02-04  Mike Frysinger  <vapier@gentoo.org>
8499
8500         * doc/invoke.texi: Delete -mno-fma4.
8501
8502 2016-02-04  Richard Sandiford  <richard.sandiford@arm.com>
8503
8504         PR rtl-optimization/69577
8505         * reginfo.c (record_subregs_of_mode): Add a partial_def parameter.
8506         (find_subregs_of_mode): Update accordingly.  Iterate over partial
8507         definitions.
8508
8509 2016-02-04  Alan Lawrence  <alan.lawrence@arm.com>
8510
8511         * config/arm/arm-protos.h (neon_reinterpret): Remove.
8512         * config/arm/arm.c (neon_reinterpret): Remove.
8513         * config/arm/arm_neon_builtins.def (vreinterpretv8qi, vreinterpretv4hi,
8514         vreinterpretv2si, vreinterpretv2sf, vreinterpretdi, vreinterpretv16qi,
8515         vreinterpretv8hi, vreinterpretv4si, vreinterpretv4sf, vreinterpretv2di,
8516         vreinterpretti): Remove.
8517         * config/arm/neon.md (neon_vreinterpretv8qi<mode>,
8518         neon_vreinterpretv4hi<mode>, neon_vreinterpretv2si<mode>,
8519         neon_vreinterpretv2sf<mode>, neon_vreinterpretdi<mode>,
8520         neon_vreinterpretti<mode>, neon_vreinterpretv16qi<mode>,
8521         neon_vreinterpretv8hi<mode>, neon_vreinterpretv4si<mode>,
8522         neon_vreinterpretv4sf<mode>, neon_vreinterpretv2di<mode>): Remove.
8523         * config/arm/arm_neon.h (vreinterpret_p8_p16, vreinterpret_p8_f32,
8524         vreinterpret_p8_p64, vreinterpret_p8_s64, vreinterpret_p8_u64,
8525         vreinterpret_p8_s8, vreinterpret_p8_s16, vreinterpret_p8_s32,
8526         vreinterpret_p8_u8, vreinterpret_p8_u16, vreinterpret_p8_u32,
8527         vreinterpret_p16_p8, vreinterpret_p16_f32, vreinterpret_p16_p64,
8528         vreinterpret_p16_s64, vreinterpret_p16_u64, vreinterpret_p16_s8,
8529         vreinterpret_p16_s16, vreinterpret_p16_s32, vreinterpret_p16_u8,
8530         vreinterpret_p16_u16, vreinterpret_p16_u32, vreinterpret_f32_p8,
8531         vreinterpret_f32_p16, vreinterpret_f32_p64, vreinterpret_f32_s64,
8532         vreinterpret_f32_u64, vreinterpret_f32_s8, vreinterpret_f32_s16,
8533         vreinterpret_f32_s32, vreinterpret_f32_u8, vreinterpret_f32_u16,
8534         vreinterpret_f32_u32, vreinterpret_p64_p8, vreinterpret_p64_p16,
8535         vreinterpret_p64_f32, vreinterpret_p64_s64, vreinterpret_p64_u64,
8536         vreinterpret_p64_s8, vreinterpret_p64_s16, vreinterpret_p64_s32,
8537         vreinterpret_p64_u8, vreinterpret_p64_u16, vreinterpret_p64_u32,
8538         vreinterpret_s64_p8, vreinterpret_s64_p16, vreinterpret_s64_f32,
8539         vreinterpret_s64_p64, vreinterpret_s64_u64, vreinterpret_s64_s8,
8540         vreinterpret_s64_s16, vreinterpret_s64_s32, vreinterpret_s64_u8,
8541         vreinterpret_s64_u16, vreinterpret_s64_u32, vreinterpret_u64_p8,
8542         vreinterpret_u64_p16, vreinterpret_u64_f32, vreinterpret_u64_p64,
8543         vreinterpret_u64_s64, vreinterpret_u64_s8, vreinterpret_u64_s16,
8544         vreinterpret_u64_s32, vreinterpret_u64_u8, vreinterpret_u64_u16,
8545         vreinterpret_u64_u32, vreinterpret_s8_p8, vreinterpret_s8_p16,
8546         vreinterpret_s8_f32, vreinterpret_s8_p64, vreinterpret_s8_s64,
8547         vreinterpret_s8_u64, vreinterpret_s8_s16, vreinterpret_s8_s32,
8548         vreinterpret_s8_u8, vreinterpret_s8_u16, vreinterpret_s8_u32,
8549         vreinterpret_s16_p8, vreinterpret_s16_p16, vreinterpret_s16_f32,
8550         vreinterpret_s16_p64, vreinterpret_s16_s64, vreinterpret_s16_u64,
8551         vreinterpret_s16_s8, vreinterpret_s16_s32, vreinterpret_s16_u8,
8552         vreinterpret_s16_u16, vreinterpret_s16_u32, vreinterpret_s32_p8,
8553         vreinterpret_s32_p16, vreinterpret_s32_f32, vreinterpret_s32_p64,
8554         vreinterpret_s32_s64, vreinterpret_s32_u64, vreinterpret_s32_s8,
8555         vreinterpret_s32_s16, vreinterpret_s32_u8, vreinterpret_s32_u16,
8556         vreinterpret_s32_u32, vreinterpret_u8_p8, vreinterpret_u8_p16,
8557         vreinterpret_u8_f32, vreinterpret_u8_p64, vreinterpret_u8_s64,
8558         vreinterpret_u8_u64, vreinterpret_u8_s8, vreinterpret_u8_s16,
8559         vreinterpret_u8_s32, vreinterpret_u8_u16, vreinterpret_u8_u32,
8560         vreinterpret_u16_p8, vreinterpret_u16_p16, vreinterpret_u16_f32,
8561         vreinterpret_u16_p64, vreinterpret_u16_s64, vreinterpret_u16_u64,
8562         vreinterpret_u16_s8, vreinterpret_u16_s16, vreinterpret_u16_s32,
8563         vreinterpret_u16_u8, vreinterpret_u16_u32, vreinterpret_u32_p8,
8564         vreinterpret_u32_p16, vreinterpret_u32_f32, vreinterpret_u32_p64,
8565         vreinterpret_u32_s64, vreinterpret_u32_u64, vreinterpret_u32_s8,
8566         vreinterpret_u32_s16, vreinterpret_u32_s32, vreinterpret_u32_u8,
8567         vreinterpret_u32_u16, vreinterpretq_p8_p16, vreinterpretq_p8_f32,
8568         vreinterpretq_p8_p64, vreinterpretq_p8_p128, vreinterpretq_p8_s64,
8569         vreinterpretq_p8_u64, vreinterpretq_p8_s8, vreinterpretq_p8_s16,
8570         vreinterpretq_p8_s32, vreinterpretq_p8_u8, vreinterpretq_p8_u16,
8571         vreinterpretq_p8_u32, vreinterpretq_p16_p8, vreinterpretq_p16_f32,
8572         vreinterpretq_p16_p64, vreinterpretq_p16_p128, vreinterpretq_p16_s64,
8573         vreinterpretq_p16_u64, vreinterpretq_p16_s8, vreinterpretq_p16_s16,
8574         vreinterpretq_p16_s32, vreinterpretq_p16_u8, vreinterpretq_p16_u16,
8575         vreinterpretq_p16_u32, vreinterpretq_f32_p8, vreinterpretq_f32_p16,
8576         vreinterpretq_f32_p64, vreinterpretq_f32_p128, vreinterpretq_f32_s64,
8577         vreinterpretq_f32_u64, vreinterpretq_f32_s8, vreinterpretq_f32_s16,
8578         vreinterpretq_f32_s32, vreinterpretq_f32_u8, vreinterpretq_f32_u16,
8579         vreinterpretq_f32_u32, vreinterpretq_p64_p8, vreinterpretq_p64_p16,
8580         vreinterpretq_p64_f32, vreinterpretq_p64_p128, vreinterpretq_p64_s64,
8581         vreinterpretq_p64_u64, vreinterpretq_p64_s8, vreinterpretq_p64_s16,
8582         vreinterpretq_p64_s32, vreinterpretq_p64_u8, vreinterpretq_p64_u16,
8583         vreinterpretq_p64_u32, vreinterpretq_p128_p8, vreinterpretq_p128_p16,
8584         vreinterpretq_p128_f32, vreinterpretq_p128_p64, vreinterpretq_p128_s64,
8585         vreinterpretq_p128_u64, vreinterpretq_p128_s8, vreinterpretq_p128_s16,
8586         vreinterpretq_p128_s32, vreinterpretq_p128_u8, vreinterpretq_p128_u16,
8587         vreinterpretq_p128_u32, vreinterpretq_s64_p8, vreinterpretq_s64_p16,
8588         vreinterpretq_s64_f32, vreinterpretq_s64_p64, vreinterpretq_s64_p128,
8589         vreinterpretq_s64_u64, vreinterpretq_s64_s8, vreinterpretq_s64_s16,
8590         vreinterpretq_s64_s32, vreinterpretq_s64_u8, vreinterpretq_s64_u16,
8591         vreinterpretq_s64_u32, vreinterpretq_u64_p8, vreinterpretq_u64_p16,
8592         vreinterpretq_u64_f32, vreinterpretq_u64_p64, vreinterpretq_u64_p128,
8593         vreinterpretq_u64_s64, vreinterpretq_u64_s8, vreinterpretq_u64_s16,
8594         vreinterpretq_u64_s32, vreinterpretq_u64_u8, vreinterpretq_u64_u16,
8595         vreinterpretq_u64_u32, vreinterpretq_s8_p8, vreinterpretq_s8_p16,
8596         vreinterpretq_s8_f32, vreinterpretq_s8_p64, vreinterpretq_s8_p128,
8597         vreinterpretq_s8_s64, vreinterpretq_s8_u64, vreinterpretq_s8_s16,
8598         vreinterpretq_s8_s32, vreinterpretq_s8_u8, vreinterpretq_s8_u16,
8599         vreinterpretq_s8_u32, vreinterpretq_s16_p8, vreinterpretq_s16_p16,
8600         vreinterpretq_s16_f32, vreinterpretq_s16_p64, vreinterpretq_s16_p128,
8601         vreinterpretq_s16_s64, vreinterpretq_s16_u64, vreinterpretq_s16_s8,
8602         vreinterpretq_s16_s32, vreinterpretq_s16_u8, vreinterpretq_s16_u16,
8603         vreinterpretq_s16_u32, vreinterpretq_s32_p8, vreinterpretq_s32_p16,
8604         vreinterpretq_s32_f16, vreinterpretq_s32_f32, vreinterpretq_s32_p64,
8605         vreinterpretq_s32_p128, vreinterpretq_s32_s64, vreinterpretq_s32_u64,
8606         vreinterpretq_s32_s8, vreinterpretq_s32_s16, vreinterpretq_s32_u8,
8607         vreinterpretq_s32_u16, vreinterpretq_s32_u32, vreinterpretq_u8_p8,
8608         vreinterpretq_u8_p16, vreinterpretq_u8_f32, vreinterpretq_u8_p64,
8609         vreinterpretq_u8_p128, vreinterpretq_u8_s64, vreinterpretq_u8_u64,
8610         vreinterpretq_u8_s8, vreinterpretq_u8_s16, vreinterpretq_u8_s32,
8611         vreinterpretq_u8_u16, vreinterpretq_u8_u32, vreinterpretq_u16_p8,
8612         vreinterpretq_u16_p16, vreinterpretq_u16_f32, vreinterpretq_u16_p64,
8613         vreinterpretq_u16_p128, vreinterpretq_u16_s64, vreinterpretq_u16_u64,
8614         vreinterpretq_u16_s8, vreinterpretq_u16_s16, vreinterpretq_u16_s32,
8615         vreinterpretq_u16_u8, vreinterpretq_u16_u32, vreinterpretq_u32_p8,
8616         vreinterpretq_u32_p16, vreinterpretq_u32_f32, vreinterpretq_u32_p64,
8617         vreinterpretq_u32_p128, vreinterpretq_u32_s64, vreinterpretq_u32_u64,
8618         vreinterpretq_u32_s8, vreinterpretq_u32_s16, vreinterpretq_u32_s32,
8619         vreinterpretq_u32_u8, vreinterpretq_u32_u16): Rewrite using casts.
8620
8621 2016-02-04  Martin Liska  <mliska@suse.cz>
8622
8623         PR sanitizer/69276
8624         * asan.c (has_stmt_been_instrumented_p): Instrument gimple calls
8625         that are gimple_store_p.
8626         (maybe_instrument_call): Likewise.
8627
8628 2016-02-04  Bin Cheng  <bin.cheng@arm.com>
8629
8630         * config/aarch64/aarch64.c (aarch64_legitimize_address): Force
8631         register scaling out of memory reference and comment why.
8632
8633 2016-02-04  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8634
8635         PR target/65932
8636         PR target/67714
8637         * cse.c (cse_insn): Pass NULL to fold_rtx when initially
8638         folding the source of a SET.
8639
8640 2016-02-04  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8641
8642         PR target/65932
8643         PR target/67714
8644         * config/arm/arm.c (arm_new_rtx_costs, MULT case): Properly extract
8645         the operands of the SIGN_EXTENDs from a SMUL[TB][TB] rtx.
8646
8647 2016-02-04  Jim Wilson  <jim.wilson@linaro.org>
8648
8649         PR target/65932
8650         PR target/67714
8651         * config/arm/arm.h (PROMOTE_MODE): Don't set UNSIGNEDP for QImode and
8652         HImode.
8653
8654 2016-02-04  Christian Bruel  <christian.bruel@st.com>
8655
8656         * config/arm/arm-c.c (arm_reset_previous_fndecl): Style fix and typo.
8657         * config/arm/arm.c (arm_set_current_function): Likewise.
8658
8659 2016-02-04  Jakub Jelinek  <jakub@redhat.com>
8660             Ilya Enkovich  <enkovich.gnu@gmail.com>
8661             H.J. Lu  <hongjiu.lu@intel.com>
8662
8663         PR target/69454
8664         * config/i386/i386.c (convert_scalars_to_vector): Remove
8665         stack alignment fixes.
8666         (ix86_option_override_internal): Disable TARGET_STV if stack
8667         might not be aligned enough.
8668         (ix86_minimum_alignment): Assert that TARGET_STV is false.
8669
8670 2016-02-04  Victoria Stepanyan  <victoria.stepanyan@amd.com>
8671
8672         * gcc/config/i386/x86-tune.def: Disable default prefetching
8673         for -march=znver1.
8674
8675 2016-02-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
8676             Vladimir Makarov  <vmakarov@redhat.com>
8677
8678         PR target/69461
8679         * config/rs6000/rs6000.c (rs6000_legitimate_address_p): Fix thinko
8680         in validating fused toc addresses.
8681
8682 2016-02-03  Jakub Jelinek  <jakub@redhat.com>
8683
8684         PR c/69627
8685         * diagnostic-show-locus.c (layout::get_state_at_point): Don't read
8686         range->m_caret fields if range->m_show_caret_p is false.
8687
8688         PR target/69644
8689         * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap):
8690         Force oldval into register if it does not satisfy reg_or_short_operand
8691         predicate.  Fix up formatting.
8692
8693 2016-02-03  Vladimir Makarov  <vmakarov@redhat.com>
8694             Alexandre Oliva  <aoliva@redhat.com>
8695
8696         PR target/69461
8697         * lra-constraints.c (simplify_operand_subreg): Check additionally
8698         address validity after potential reloading.
8699         (process_address_1): Check insns validity.  In case of failure do
8700         nothing.
8701
8702 2016-02-03  Kirill Yukhin  <kirill.yukhin@intel.com>
8703
8704         PR target/69118
8705         * config/i386/sse.md (define_insn "avx512f_maskcmp<mode>3"):
8706         Fix target.
8707
8708 2016-02-02  Jakub Jelinek  <jakub@redhat.com>
8709
8710         * wide-int.cc (canonize_uhwi): New function.
8711         (wi::divmod_internal): Use it.
8712
8713 2016-02-02  James Norris  <jnorris@codesourcery.com
8714
8715         * gimplify.c (omp_notice_variable): Add usage check.
8716
8717 2016-02-02  Alexander Monakov  <amonakov@ispras.ru>
8718
8719         * config/nvptx/nvptx.c (nvptx_print_operand): Treat LEU, GEU, LTU, GTU
8720         like LE, GE, LT, GT when emitting relational operator.
8721
8722 2016-02-02  Wilco Dijkstra  <wdijkstr@arm.com>
8723
8724         * ira-costs.c (find_costs_and_classes): Add extra argument.
8725         * target.def (ira_change_pseudo_allocno_class): Add parameter.
8726         * targhooks.h (ira_change_pseudo_allocno_class): Likewise.
8727         * targhooks.c (ira_change_pseudo_allocno_class): Likewise.
8728         * config/aarch64/aarch64.c (aarch64_ira_change_pseudo_allocno_class)
8729         Add best_class parameter, and return it if not ALL_REGS.
8730         * config/mips/mips.c (mips_ira_change_pseudo_allocno_class):
8731         Add parameter.
8732         * doc/tm.texi (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS):
8733         Update target hook.
8734
8735 2016-02-02  Wilco Dijkstra  <wdijkstr@arm.com>
8736
8737         * config/aarch64/aarch64.c
8738         (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS): New define.
8739         (aarch64_ira_change_pseudo_allocno_class): New function.
8740
8741 2016-02-02  Uros Bizjak  <ubizjak@gmail.com>
8742
8743         PR target/67032
8744         * config/i386/i386.c (geode_cost): Increase cost of MMX and SSE moves.
8745
8746 2016-02-02  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
8747
8748         * config/avr/avr.c (avr_option_override): Set
8749         PARAM_ALLOW_STORE_DATA_RACES to 1.
8750
8751 2016-02-02  Richard Biener  <rguenther@suse.de>
8752
8753         PR tree-optimization/69595
8754         * match.pd: Add range test simplifications to true/false.
8755
8756 2016-02-02  Thomas Schwinge  <thomas@codesourcery.com>
8757
8758         * omp-builtins.def (BUILT_IN_GOACC_HOST_DATA): Remove.
8759         * omp-low.c (expand_omp_target): Use BUILT_IN_GOACC_DATA_START
8760         instead.
8761
8762 2016-02-02  Richard Biener  <rguenther@suse.de>
8763
8764         PR tree-optimization/69606
8765         * tree-ssa-math-opts.c (bswap_replace): Clear flow sensitive
8766         info on the result before moving a stmt.
8767
8768 2016-02-02  Yuri Rumyantsev  <ysrumyan@gmail.com>
8769
8770         PR middle-end/68542
8771         * config/i386/i386.c (ix86_expand_branch): Add support for conditional
8772         branch with vector comparison.
8773         * config/i386/sse.md (VI48_AVX): New mode iterator.
8774         (define_expand "cbranch<mode>4): Add support for conditional branch
8775         with vector comparison.
8776         * tree-vect-loop.c (optimize_mask_stores): New function.
8777         * tree-vect-stmts.c (vectorizable_mask_load_store): Initialize
8778         has_mask_store field of vect_info.
8779         * tree-vectorizer.c (vectorize_loops): Invoke optimaze_mask_stores for
8780         vectorized loops having masked stores after vec_info destroy.
8781         * tree-vectorizer.h (loop_vec_info): Add new has_mask_store field and
8782         correspondent macros.
8783         (optimize_mask_stores): Add prototype.
8784
8785 2016-02-02  Alan Modra  <amodra@gmail.com>
8786
8787         PR target/69548
8788         * config/rs6000/predicates.md (quad_int_reg_operand): Don't
8789         allow subregs.
8790
8791 2016-02-02  Alan Modra  <amodra@gmail.com>
8792
8793         PR target/68662
8794         * config/rs6000/rs6000.c (need_toc_init): New var, set it
8795         whenever toc_label_name used.
8796         (rs6000_file_start): Don't set up toc section here,
8797         (rs6000_output_function_epilogue): do so here instead,
8798         (rs6000_xcoff_file_start): and here.
8799         * config/rs6000/rs6000.md (load_toc_aix_si): Set need_toc_init.
8800         (load_toc_aix_di): Likewise.
8801
8802 2016-02-01  Jakub Jelinek  <jakub@redhat.com>
8803
8804         PR rtl-optimization/69592
8805         * rtlanal.c (nonzero_bits_binary_arith_p): New inline function.
8806         (cached_nonzero_bits): Use it instead of ARITHMETIC_P.
8807         (num_sign_bit_copies_binary_arith_p): New inline function.
8808         (cached_num_sign_bit_copies): Use it instead of ARITHMETIC_P.
8809
8810 2016-02-01  Jeff Law  <law@redhat.com>
8811
8812         PR tree-optimization/69580
8813         * params.def (FSM_MAXIMUM_PHI_ARGUMENTS): New param.
8814         * tree-ssa-threadbackward.c
8815         (fsm_find_control_statement_thread_paths): Do not try to walk
8816         through large PHI nodes.
8817
8818 2016-02-01  Jakub Jelinek  <jakub@redhat.com>
8819
8820         * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Return false
8821         when count is incremented above limit, don't analyze further
8822         insns afterwards.
8823
8824         * omp-low.c (oacc_parse_default_dims): Avoid
8825         -Wsign-compare warning, make sure value fits into int
8826         rather than just unsigned int.
8827
8828 2016-02-01  Bin Cheng  <bin.cheng@arm.com>
8829
8830         PR tree-optimization/67921
8831         * fold-const.c (split_tree): New parameters.  Convert pointer
8832         type variable part to proper type before negating.
8833         (fold_binary_loc): Pass new arguments to split_tree.
8834
8835 2016-02-01  Nathan Sidwell  <nathan@codesourcery.com>
8836
8837         * config/nvptx/nvptx.c (PTX_GANG_DEFAULT): New.
8838         (nvptx_goacc_validate_dims): Extend to handle global defaults.
8839         * target.def (OACC_VALIDATE_DIMS): Extend documentation.
8840         * doc/tm.texti: Rebuilt.
8841         * doc/invoke.texi (fopenacc-dim): Document.
8842         * lto-wrapper.c (merge_and_complain): Add OPT_fopenacc_dim_ case.
8843         (append_compiler_options): Likewise.
8844         * omp-low.c (oacc_default_dims, oacc_min_dims): New.
8845         (oacc_parse_default_dims): New.
8846         (oacc_validate_dims): Add USED arg.  Select non-unity default when
8847         possible.
8848         (oacc_loop_fixed_partitions): Return mask of used partitions.
8849         (oacc_loop_auto_partitions): Emit dump info.
8850         (oacc_loop_partition): Return mask of used partitions.
8851         (execute_oacc_device_lower): Parse default dimension arg.  Adjust
8852         loop partitioning and validation calls.
8853
8854 2016-02-01  Richard Biener  <rguenther@suse.de>
8855
8856         PR middle-end/69556
8857         * match.pd: Guard (C1/X)*C2 -> (C1*C2)/X with single_use.
8858
8859 2016-02-01  Richard Biener  <rguenther@suse.de>
8860
8861         PR tree-optimization/69574
8862         * tree-chrec.c (hide_evolution_in_other_loops_than_loop): Instead
8863         of asserting return chrec_dont_know.
8864
8865 2016-02-01  Martin Liska  <mliska@suse.cz>
8866
8867         * mem-stats-traits.h: Add copyright header.
8868         * mem-stats.h: Likewise.
8869
8870 2016-02-01  Richard Biener  <rguenther@suse.de>
8871
8872         PR tree-optimization/69579
8873         * tree-ssa-loop-ivcanon.c (propagate_constants_for_unrolling):
8874         Do not propagate through abnormal PHI results.
8875
8876 2016-02-01  Eric Botcazou  <ebotcazou@adacore.com>
8877
8878         * postreload.c (reload_cse_simplify): Remove dead code.
8879
8880 2016-02-01  Jakub Jelinek  <jakub@redhat.com>
8881
8882         PR rtl-optimization/69570
8883         * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Return true only
8884         if there is more than one set, not if there is a single set.
8885
8886 2016-02-01  Richard Henderson  <rth@redhat.com>
8887
8888         PR rtl-opt/69535
8889         * combine.c (make_compound_operation): When looking through a
8890         subreg, make sure to re-extend to the width of the outer mode.
8891
8892 2016-01-30  Jakub Jelinek  <jakub@redhat.com>
8893
8894         PR tree-optimization/69546
8895         * wide-int.cc (wi::divmod_internal): For unsigned division
8896         where both operands fit into uhwi, if o1 is 1 and o0 has
8897         msb set, if divident_prec is larger than bits per hwi,
8898         clear another quotient word and return 2 instead of 1.
8899         Similarly for remainder with msb in HWI set, if dividend_prec
8900         is larger than bits per hwi.
8901
8902 2016-01-29  Martin Jambor  <mjambor@suse.cz>
8903
8904         * hsa-gen.c (get_memory_order_name): Mask with MEMMODEL_BASE_MASK.
8905         Use short lowercase names.
8906         (get_memory_order): Mask with MEMMODEL_BASE_MASK.  Support
8907         MEMMODEL_CONSUME with acquire semantics and MEMMODEL_SEQ_CST with
8908         acq_rel one.  Protect warning agains segfaults if
8909         get_memory_order_name returns NULL.
8910         (gen_hsa_ternary_atomic_for_builtin): Support with MEMMODEL_SEQ_CST
8911         with release semantics.  Do not warn if get_memory_order already did.
8912         (gen_hsa_insns_for_call): Support with MEMMODEL_SEQ_CST with acquire
8913         semantics.  Fix check for relaxed or acquire semantics.  Do not warn
8914         if get_memory_order already did.
8915
8916 2016-01-29  Sebastian Pop  <s.pop@samsung.com>
8917
8918         * doc/install.texi: Document that isl-0.16 is supported.
8919
8920 2016-01-29  Vladimir Makarov  <vmakarov@redhat.com>
8921
8922         PR target/69299
8923         * config/i386/constraints.md (Bm): Describe as special memory
8924         constraint.
8925         * doc/md.texi (DEFINE_SPECIAL_MEMORY_CONSTRAINT): Describe it.
8926         * genoutput.c (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
8927         * genpreds.c (struct constraint_data): Add is_special_memory.
8928         (have_special_memory_constraints, special_memory_start): New
8929         static vars.
8930         (special_memory_end): Ditto.
8931         (add_constraint): Add new arg is_special_memory.  Add code to
8932         process its true value.  Update have_special_memory_constraints.
8933         (process_define_constraint): Pass the new arg.
8934         (process_define_register_constraint): Ditto.
8935         (choose_enum_order): Process special memory.
8936         (write_tm_preds_h): Generate enum const CT_SPECIAL_MEMORY and
8937         function insn_extra_special_memory_constraint.
8938         (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
8939         * gensupport.c (process_rtx): Process
8940         DEFINE_SPECIAL_MEMORY_CONSTRAINT.
8941         * ira-costs.c (record_reg_classes): Process CT_SPECIAL_MEMORY.
8942         * ira-lives.c (single_reg_class): Use
8943         insn_extra_special_memory_constraint.
8944         * ira.c (ira_setup_alts): Process CT_SPECIAL_MEMORY.
8945         * lra-constraints.c (process_alt_operands): Ditto.
8946         (curr_insn_transform): Use insn_extra_special_memory_constraint.
8947         * recog.c (asm_operand_ok, preprocess_constraints): Process
8948         CT_SPECIAL_MEMORY.
8949         * reload.c (find_reloads): Ditto.
8950         * rtl.def (DEFINE_SPECIFAL_MEMORY_CONSTRAINT): New.
8951         * stmt.c (parse_input_constraint): Use
8952         insn_extra_special_memory_constraint.
8953
8954 2016-01-29  H.J. Lu  <hongjiu.lu@intel.com>
8955
8956         PR target/69530
8957         * lra-splill.c (lra_final_code_change): Revert r229087 by
8958         removing all sub-registers.
8959
8960 2016-01-29  Steve Ellcey  <sellcey@imgtec.com>
8961
8962         PR target/65604
8963         * config/mips/mips.c (mips_output_division): Check flag_delayed_branch.
8964
8965 2016-01-29  Jakub Jelinek  <jakub@redhat.com>
8966
8967         PR target/69551
8968         * config/i386/i386.c (ix86_expand_vector_set) <case V4SImode>: For
8969         SSE1, copy target into the temporary reg first before recursing
8970         on it.
8971
8972 2016-01-29  H.J. Lu  <hongjiu.lu@intel.com>
8973
8974         * config/i386/sse.md (sse2_cvtps2pd<mask_name>): Replace vBm
8975         with vm.
8976
8977 2016-01-29  Jonathan Wakely  <jwakely@redhat.com>
8978
8979         * ginclude/stdarg.h: Test __cplusplus instead of
8980         __GXX_EXPERIMENTAL_CXX0X__.
8981
8982 2016-01-29  Richard Biener  <rguenther@suse.de>
8983
8984         PR tree-optimization/69547
8985         * tree-ssa-dce.c (mark_aliased_reaching_defs_necessary_1):
8986         Do not mark clobbers necessary.
8987         (mark_all_reaching_defs_necessary_1): Likewise.
8988
8989 2016-01-29  Dominik Vogt  <vogt@linux.vnet.ibm.com>
8990
8991         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Format
8992         declaration name with %qs and print it in both error messages.
8993         Also fix indentation.
8994
8995 2016-01-29  Dominik Vogt  <vogt@linux.vnet.ibm.com>
8996
8997         PR other/69006
8998         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Remove
8999         trailing blank line from error message.
9000
9001 2016-01-29  Jonathan Wakely  <jwakely@redhat.com>
9002
9003         PR c++/69462
9004         * ginclude/float.h: Also provide FLT_EVAL_METHOD and DECIMAL_DIG
9005         for C++-11.
9006
9007 2016-01-29  Richard Biener  <rguenther@suse.de>
9008
9009         PR middle-end/69537
9010         * match.pd: Allow all integral types when simplifying a
9011         widening or sign-changing conversion.
9012
9013 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
9014
9015         * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Revert assert
9016         back to setting codegen_error to fail codegen.
9017
9018 2016-01-28  Uros Bizjak  <ubizjak@gmail.com>
9019
9020         PR target/69459
9021         * config/i386/constraints.md (C): Only accept constant zero operand.
9022         (BC): New constraint.
9023         * config/i386/sse.md (*mov<mode>_internal): Use BC constraint
9024         instead of C constraint.
9025         * doc/md.texi (Machine Constraints): Update description
9026         of C constraint.
9027
9028 2016-01-28  Steve Ellcey  <sellcey@imgtec.com>
9029
9030         PR target/68400
9031         * config/mips/mips.c (and_operands_ok): Add MIPS16 check.
9032
9033 2016-01-28  Jakub Jelinek  <jakub@redhat.com>
9034
9035         PR middle-end/69542
9036         * lra-remat.c (calculate_local_reg_remat_bb_data): Only consider
9037         non-debug insns.
9038
9039 2016-01-28  Pat Haugen  <pthaugen@us.ibm.com>
9040
9041         * config/rs6000/rs6000.c (output_cbranch): Don't statically predict
9042         branches if using guessed profile.
9043
9044 2016-01-28  H.J. Lu  <hongjiu.lu@intel.com>
9045
9046         * graphite-optimize-isl.c (optimize_isl): Fix dump.
9047
9048 2016-01-28  Richard Henderson  <rth@redhat.com>
9049
9050         PR target/69305
9051         * config/aarch64/aarch64-modes.def (CC_Cmode): New
9052         * config/aarch64/aarch64-protos.h: Update.
9053         * config/aarch64/aarch64.c (aarch64_zero_extend_const_eq): New.
9054         (aarch64_select_cc_mode): Add check for use of CC_Cmode.
9055         (aarch64_get_condition_code_1): Handle CC_Cmode.
9056         * config/aarch64/aarch64.md (addti3): Use adddi3_compareC.
9057         (*add<mode>3_compareC_cconly_imm): New.
9058         (*add<mode>3_compareC_cconly): New.
9059         (*add<mode>3_compareC_imm): New.
9060         (add<mode>3_compareC): New.
9061         (add<mode>3_carryin, *addsi3_carryin_uxtw): Sort compare operand
9062         to be first.  Use aarch64_carry_operation.
9063         (*add<mode>3_carryin_alt1, *addsi3_carryin_alt1_uxtw): Remove.
9064         (*add<mode>3_carryin_alt2, *addsi3_carryin_alt2_uxtw): Remove.
9065         (*add<mode>3_carryin_alt3, *addsi3_carryin_alt3_uxtw): Remove.
9066         (subti3): Use subdi3_compare1.
9067         (*sub<mode>3_compare0): Rename from sub<mode>3_compare0.
9068         (sub<mode>3_compare1): New.
9069         (*sub<mode>3_carryin0, *subsi3_carryin_uxtw): New.
9070         (*sub<mode>3_carryin): Use aarch64_borrow_operation.
9071         (*subsi3_carryin_uxtw): Likewise.
9072         (*ngc<mode>, *ngcsi_uxtw): Likewise.
9073         (*sub<mode>3_carryin_alt, *subsi3_carryin_alt_uxtw): New.
9074         * config/aarch64/iterators.md (DWI): New.
9075         * config/aarch64/predicates.md (aarch64_carry_operation): New.
9076         (aarch64_borrow_operation): New.
9077
9078 2016-01-28  Abderrazek Zaafrani  <a.zaafrani@samsung.com>
9079
9080         * graphite-optimize-isl.c (optimize_isl): Print a different debug
9081         message when isl does not return a valid schedule.
9082
9083 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
9084
9085         * graphite-isl-ast-to-gimple.c (class translate_isl_ast_to_gimple):
9086         Remove comments from class declarations: they are already in the code
9087         close by the defs.
9088
9089 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
9090
9091         * graphite-isl-ast-to-gimple.c (binary_op_to_tree): Call
9092         codegen_error_p.
9093         (ternary_op_to_tree): Same.
9094         (unary_op_to_tree): Same.
9095         (nary_op_to_tree): Same.
9096         (gcc_expression_from_isl_expr_op): Same.
9097         (gcc_expression_from_isl_expression): Same.
9098         (graphite_create_new_loop): Same.
9099         (graphite_create_new_loop_guard): Same.
9100         (build_iv_mapping): Same.
9101         (graphite_create_new_guard): Same.
9102         (translate_isl_ast_to_gimple::copy_loop_phi_nodes): Same.
9103         (translate_isl_ast_to_gimple::translate_pending_phi_nodes): Same.
9104
9105 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
9106
9107         * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Assert
9108         instead of setting codegen_error to fail codegen.
9109
9110 2016-01-28  Jason Merrill  <jason@redhat.com>
9111
9112         * tree.h (BINFO_FLAG_0): Rename from BINFO_MARKED.
9113
9114 2016-01-28  Wilco Dijkstra  <wdijkstr@arm.com>
9115
9116         * config/aarch64/aarch64.c (aarch64_if_then_else_costs):
9117         Remove CONST_INT_P check in CCMP cost calculation.
9118
9119 2016-01-28  Wilco Dijkstra  <wdijkstr@arm.com>
9120
9121         * config/aarch64/aarch64.c (generic_vector_cost):
9122         Set vec_permute_cost.
9123         (cortexa57_vector_cost): Likewise.
9124         (exynosm1_vector_cost): Likewise.
9125         (xgene1_vector_cost): Likewise.
9126         (aarch64_builtin_vectorization_cost): Use vec_permute_cost.
9127         * config/aarch64/aarch64-protos.h (cpu_vector_cost):
9128         Add vec_permute_cost entry.
9129
9130 2016-01-28  Wilco Dijkstra  <wdijkstr@arm.com>
9131
9132         * config/aarch64/aarch64.md (ccmp<mode>): Disassemble
9133         immediate as %1.
9134         (add<mode>3_compare0): Likewise.
9135         (addsi3_compare0_uxtw): Likewise.
9136         (add<mode>3nr_compare0): Likewise.
9137         (compare_neg<mode>): Likewise.
9138         (<optab><mode>3): Likewise.
9139
9140 2016-01-28  Ilya Enkovich  <enkovich.gnu@gmail.com>
9141
9142         * tree-vect-stmts.c (vectorizable_comparison): Add
9143         NULL check for vectype.
9144
9145 2016-01-28  Richard Biener  <rguenther@suse.de>
9146
9147         PR tree-optimization/69466
9148         * tree-vect-loop-manip.c (slpeel_duplicate_current_defs_from_edges):
9149         Account for PHIs we couldn't duplicate.
9150
9151 2016-01-28  Martin Liska  <mliska@suse.cz>
9152
9153         PR pch/68758
9154         * ggc-common.c (gt_pch_save): Use ENABLE_VALGRIND_ANNOTATIONS macro
9155         instead of ENABLE_VALGRIND_CHECKING.
9156
9157 2016-01-27  Richard Henderson  <rth@redhat.com>
9158
9159         PR rtl-opt/69447
9160         * lra-remat.c (subreg_regs): New.
9161         (dump_candidates_and_remat_bb_data): Dump it.
9162         (operand_to_remat): Reject if operand in subreg_regs.
9163         (set_bb_regs): Collect subreg_regs.
9164         (lra_remat): Init and free subreg_regs.  Compute
9165         calculate_local_reg_remat_bb_data before create_cands.
9166
9167 2016-01-27  H.J. Lu  <hongjiu.lu@intel.com>
9168
9169         PR target/68986
9170         * config/i386/i386.c (ix86_update_stack_boundary): Don't
9171         change stack_alignment_needed for __tls_get_addr call.
9172
9173 2016-01-27  Segher Boessenkool  <segher@kernel.crashing.org>
9174
9175         * config/rs6000/rs6000.c (print_operand): Rollback 's' removal.
9176
9177 2016-01-27  Jeff Law  <law@redhat.com>
9178
9179         PR tree-optimization/68398
9180         PR tree-optimization/69196
9181         * params.def (PARAM_FSM_SCALE_PATH_STMTS): New parameter.
9182         (PARAM_FSM_SCALE_PATH_BLOCKS): Likewise.
9183         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
9184         Only count PHIs in the last block in the path.  The others will
9185         const/copy propagate away.  Add heuristic to allow more irreducible
9186         subloops to be created when it is likely profitable to do so.
9187
9188         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
9189         Fix typo in comment.  Use gsi_after_labels and remove the GIMPLE_LABEL
9190         check from within the loop.  Use gsi_next_nondebug rather than gsi_next.
9191
9192 2016-01-27  Jakub Jelinek  <jakub@redhat.com>
9193
9194         PR lto/69254
9195         * sanitizer.def: Add BEGIN_SANITIZER_BUILTINS and
9196         END_SANITIZER_BUILTINS markers using DEF_BUILTIN_STUB.
9197         * asan.c (DEF_BUILTIN_STUB): Temporarily define.
9198         * tree-streamer-in.c: Include asan.h.
9199         (streamer_get_builtin_tree): For builtins in sanitizer
9200         range call initialize_sanitizer_builtins and retry.
9201
9202 2016-01-27  Ian Lance Taylor  <iant@google.com>
9203
9204         * common.opt (fkeep-gc-roots-live): New undocumented option.
9205         * tree-ssa-loop-ivopts.c (add_candidate_1): If
9206         -fkeep-gc-roots-live, skip pointers.
9207         (add_iv_candidate_for_biv): Handle add_candidate_1 returning
9208         NULL.
9209
9210 2016-01-27  Uros Bizjak  <ubizjak@gmail.com>
9211
9212         PR target/69512
9213         * config/i386/i386.md (*zext<mode>_doubleword_and): New pattern.
9214         (*zext<mode>_doubleword): Disable for TARGET_ZERO_EXTEND_WITH_AND.
9215
9216 2016-01-27  Thomas Klausner  <wiz@NetBSD.org>
9217
9218         PR target/68380
9219         * configure.ac: NetBSD provides SSP in its C library.
9220         * configure: Updated.
9221
9222 2016-01-27  Richard Biener  <rguenther@suse.de>
9223
9224         PR tree-optimization/69166
9225         * tree-vect-loop.c (vect_is_simple_reduction): Always check
9226         reduction code for commutativity / associativity.
9227
9228 2016-01-27  Martin Jambor  <mjambor@suse.cz>
9229
9230         PR tree-optimization/69355
9231         * tree-sra.c (analyze_access_subtree): Correct hole detection when
9232         total_scalarization fails.
9233
9234 2016-01-27  David Edelsohn  <dje.gcc@gmail.com>
9235
9236         * config/rs6000/driver-rs6000.c (detect_processor_aix): Add
9237         power9.
9238
9239 2016-01-27  Christian Bruel  <christian.bruel@st.com>
9240
9241         PR target/69245
9242         * config/arm/arm-c.c (arm_pragma_target_parse): Add comments.
9243         Move arm_reset_previous_fndecl and set_target_option_current_node in
9244         the conditional part.  Call save_restore_target_globals.
9245         * config/arm/arm.c (arm_set_current_function):
9246         Refactor to better support #pragma target and attribute mix.
9247         Call save_restore_target_globals.
9248         * config/arm/arm-protos.h (save_restore_target_globals): New function.
9249
9250 2016-01-27  Martin Liska  <mliska@suse.cz>
9251
9252         * hsa.c (hsa_summary_t::link_functions): Create IPA_REF_ADDR
9253         reference for an HSA kernel and its host function.
9254
9255 2016-01-27  Jakub Jelinek  <jakub@redhat.com>
9256
9257         PR tree-optimization/69399
9258         * wide-int.h (wi::lrshift): For larger precisions, only
9259         use fast path if shift is known to be < HOST_BITS_PER_WIDE_INT.
9260
9261 2016-01-27  Claudiu Zissulescu  <claziss@synopsys.com>
9262
9263         * config/arc/predicates.md (proper_comparison_operator): Reject
9264         constant-constant comparison.
9265
9266 2016-01-26  Tom de Vries  <tom@codesourcery.com>
9267
9268         PR tree-optimization/69110
9269         * tree-data-ref.c (initialize_data_dependence_relation): Handle
9270         DR_NUM_DIMENSIONS == 0.
9271
9272 2016-01-26  Abderrazek Zaafrani  <a.zaafrani@samsung.com>
9273             Sebastian Pop  <s.pop@samsung.com>
9274
9275         * graphite-isl-ast-to-gimple.c (ternary_op_to_tree): Handle
9276         isl_ast_op_cond and isl_ast_op_select.
9277         (gcc_expression_from_isl_expr_op): Same.
9278
9279 2016-01-26  Jason Merrill  <jason@redhat.com>
9280
9281         PR c++/68782
9282         * tree.c (recompute_constructor_flags): Split out from
9283         build_constructor.
9284         (verify_constructor_flags): New.
9285         * tree.h: Declare them.
9286
9287 2016-01-26  Iain Buclaw  <ibuclaw@gdcproject.org>
9288
9289         PR rtl-optimization/69217
9290         * var-tracking.c (tracked_record_parameter_p): Don't segfault if there
9291         are no TYPE_FIELDS set for the record type.
9292
9293 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
9294
9295         PR target/68662
9296         * config/rs6000/rs6000.c (rs6000_option_override_internal): Initialize
9297         toc_label_name unconditionally.
9298         (rs6000_emit_load_toc_table): Call ggc_strdup on toc_label_name for
9299         SYMBOL_REF string.  Use toc_label_name instead of constructing
9300         LCTOC1.
9301         (rs6000_elf_declare_function_name): Use toc_label_name instead of
9302         constructing LCTOC1.
9303
9304 2016-01-26  Martin Sebor  <msebor@redhat.com>
9305
9306         PR other/69477
9307         * doc/extend.texi (Common Type Attributes): Move text that talks about
9308         attribute packed from attribute aligned to the section discussing
9309         the former attribute for clarity.
9310
9311 2016-01-26  Richard Henderson  <rth@redhat.com>
9312
9313         PR middle-end/60908
9314         * trans-mem.c (tm_region_init): Mark entry block as visited.
9315
9316 2016-01-26  David Malcolm  <dmalcolm@redhat.com>
9317
9318         PR other/69006
9319         * diagnostic-show-locus.c (layout::print_source_line): Replace
9320         call to pp_newline with call to layout::print_newline.
9321         (layout::print_annotation_line): Likewise.
9322         (layout::move_to_column): Likewise.
9323         (layout::print_any_fixits): After printing any fixits, print a
9324         trailing newline, if necessary.
9325         (layout::print_newline): New method, resetting any colorization
9326         before a newline.
9327         (diagnostic_show_locus): Move the pp_newline to before the
9328         early bailout.  Remove dummy block enclosing the layout instance.
9329         * diagnostic.c (default_diagnostic_finalizer): Replace invocation
9330         of pp_newline_and_flush with pp_flush.
9331         (diagnostic_append_note): Delete use of pp_newline.
9332         (diagnostic_append_note_at_rich_loc): Delete.
9333         * diagnostic.h (diagnostic_append_note_at_rich_loc): Delete.
9334         * pretty-print.h (output_buffer_append_r): Reset buff->line_length
9335         when newline characters are added to the buffer.
9336
9337 2016-01-26  Michael Matz  <matz@suse.de>
9338
9339         * configure.ac (ac_cv_std_swap_in_utility): New test.
9340         * system.h (<algorithm>): Check HAVE_SWAP_IN_UTILITY as well.
9341         * configure: Regenerate.
9342         * config.in: Regenerate.
9343
9344 2016-01-26  Claudiu Zissulescu  <claziss@synopsys.com>
9345
9346         * config/arc/arc.md (cstoresi4): Force operand into register.
9347         (arcset<code>): Fix predicate.
9348         (arcsetltu): Likewise.
9349         (arcsetgeu): Likewise.
9350         (arcsethi): Likewise.
9351         (arcsetls): Likewise.
9352
9353 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
9354
9355         PR tree-optimization/69483
9356         * gimple-fold.c (canonicalize_constructor_val): Return NULL
9357         if base has error_mark_node type.
9358
9359 2016-01-26  Christophe Lyon  <christophe.lyon@linaro.org>
9360
9361         PR target/68620
9362         * config/arm/arm.c (neon_valid_immediate): Handle FP16 vectors.
9363         * config/arm/arm_neon.h (__ARM_NUM_LANES, __arm_lane, arm_lanq):
9364         New helper macros.
9365         (vget_lane_f16): Handle big-endian.
9366         (vgetq_lane_f16): Likewise.
9367         (vset_lane_f16): Likewise.
9368         (vsetq_lane_f16): Likewise.
9369         * config/arm/iterators.md (VQXMOV): Add V8HF.
9370         (VDQ): Add V4HF and V8HF.
9371         (V_reg): Handle V4HF and V8HF.
9372         (Is_float_mode): Likewise.
9373         * config/arm/neon.md (movv4hf, movv8hf, neon_vdup_nv4hf,
9374         neon_vdup_nv8hf): New patterns.
9375         (vec_set<mode>_internal, vec_extract<mode>, neon_vld1_dup<mode>):
9376         Use VD_LANE iterator.
9377         (neon_vld1_dup<mode>): Use VQ2 iterator.
9378
9379 2016-01-26  Nathan Sidwell  <nathan@acm.org>
9380
9381         * omp-low.h (oacc_fn_attrib_kernels_p): Declare.
9382         (set_oacc_fn_attrib): Add IS_KERNEL arg.
9383         * omp-low.c (set_oacc_fn_attrib): Add IS_KERNEL arg.
9384         (oacc_fn_attrib_kernels_p, oacc_fn_attrib_level): New.
9385         (expand_omp_target): Pass is_kernel to set_oacc_fn_attrib.
9386         (oacc_validate_dims): Add LEVEL arg, don't return level.
9387         (new_oacc_loop_routine): Use oacc_fn_attrib_level, not
9388         oacc_validate_dims.
9389         (execute_oacc_device_lower): Adjust, add more dump output.
9390         * tree-ssa-loop.c (gate_oacc_kernels): Use
9391         oacc_fn_attrib_kernels_p.
9392         * tree-parloops.c (create_parallel_loop): Adjust
9393         set_oacc_fn_attrib call.
9394
9395 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
9396
9397         PR lto/69254
9398         * lto-wrapper.c (merge_and_complain): Handle -fcilkplus.
9399         (append_compiler_options): Handle -fcilkplus.
9400         (append_linker_options): Ignore -fno-{openmp,openacc,cilkplus}.
9401
9402 2016-01-26  Nick Clifton  <nickc@redhat.com>
9403
9404         PR target/66655
9405         * config/i386/winnt.c (i386_pe_binds_local_p): If a function has
9406         been marked as DECL_ONE_ONLY but we do not the means to make it
9407         so, then do not allow it to bind locally.
9408
9409 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
9410
9411         PR lto/69254
9412         * opts.h (parse_sanitizer_options): New prototype.
9413         * opts.c (sanitizer_opts): New array.
9414         (parse_sanitizer_options): New function.
9415         (common_handle_option): Use parse_sanitizer_options.
9416
9417 2016-01-26  H.J. Lu  <hongjiu.lu@intel.com>
9418
9419         PR target/68986
9420         * config/i386/i386.c (ix86_compute_frame_layout): Move stack
9421         alignment adjustment to ...
9422         (ix86_update_stack_boundary): Here.  Don't over-align stack for
9423         __tls_get_addr.
9424         (ix86_finalize_stack_realign_flags): Use stack_alignment_needed
9425         if __tls_get_addr is called.
9426
9427 2016-01-26  Christian Bruel  <christian.bruel@st.com>
9428
9429         * doc/sourcebuild.texi (arm_crypto_pragma_ok): Remove.
9430
9431 2016-01-26  Eric Botcazou  <ebotcazou@adacore.com>
9432
9433         * config/ia64/ia64.c (ia64_expand_vecint_compare): Use gen_int_mode.
9434
9435 2016-01-26  Richard Biener  <rguenther@suse.de>
9436
9437         PR middle-end/69467
9438         * match.pd: Guard X * CST CMP 0 pattern with single_use.
9439
9440 2016-01-26  Richard Biener  <rguenther@suse.de>
9441
9442         PR tree-optimization/69452
9443         * tree-ssa-loop-im.c (move_computations_dom_walker): Remove.
9444         (move_computations_dom_walker::before_dom_children): Rename
9445         to ...
9446         (move_computations_worker): This.
9447         (move_computations): Perform an RPO rather than a DOM walk.
9448
9449 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
9450
9451         PR target/69442
9452         * combine.c (combine_instructions): For REG_EQUAL note with
9453         SET_DEST being ZERO_EXTRACT, also temporarily set SET_DEST
9454         to the underlying register.
9455         * doc/rtl.texi (REG_EQUAL): Document the behavior of
9456         REG_EQUAL/REG_EQUIV notes if SET_DEST is ZERO_EXTRACT.
9457
9458 2016-01-26  Roger Ferrer Ibáñez  <rofirrim@gmail.com>
9459
9460         PR target/67896
9461         * config/aarch64/aarch64-builtins.c
9462         (aarch64_init_simd_builtin_types): Do not set structural
9463         equality to __Poly{8,16,64,128}_t types.
9464
9465 2016-01-26  Richard Sandiford  <richard.sandiford@arm.com>
9466
9467         PR tree-optimization/69400
9468         * wide-int.cc (wi_pack): Take the precision as argument and
9469         perform canonicalization here rather than in the callers.
9470         Use the main loop to handle all full-width HWIs.  Add a
9471         zero HWI if in_len isn't a full result.
9472         (wi::divmod_internal): Update accordingly.
9473         (wi::mul_internal): Likewise.  Simplify.
9474
9475 2016-01-25  Aditya Kumar  <aditya.k7@samsung.com>
9476             Sebastian Pop  <s.pop@samsung.com>
9477
9478         * graphite-poly.c (apply_poly_transforms): Simplify.
9479         (print_isl_set): Use more readable format: ISL_YAML_STYLE_BLOCK.
9480         (print_isl_map): Same.
9481         (print_isl_union_map): Same.
9482         (print_isl_schedule): New.
9483         (debug_isl_schedule): New.
9484         * graphite-dependences.c (scop_get_reads): Do not call
9485         isl_union_map_add_map that is undocumented isl functionality.
9486         (scop_get_must_writes): Same.
9487         (scop_get_may_writes): Same.
9488         (scop_get_original_schedule): Remove.
9489         (scop_get_dependences): Do not call isl_union_map_compute_flow that
9490         is deprecated in isl 0.15.  Instead, use isl_union_access_* interface.
9491         (compute_deps): Remove.
9492         * graphite-isl-ast-to-gimple.c (print_schedule_ast): New.
9493         (debug_schedule_ast): New.
9494         (translate_isl_ast_to_gimple::scop_to_isl_ast): Call
9495         set_separate_option.
9496         (graphite_regenerate_ast_isl): Add dump.
9497         (translate_isl_ast_to_gimple::scop_to_isl_ast): Generate code
9498         from scop->transformed_schedule.
9499         (graphite_regenerate_ast_isl): Add more dump.
9500         * graphite-optimize-isl.c (optimize_isl): Set
9501         scop->transformed_schedule.  Check whether schedules are equal.
9502         (apply_poly_transforms): Move here.
9503         * graphite-poly.c (apply_poly_transforms): ... from here.
9504         (free_poly_bb): Static.
9505         (free_scop): Static.
9506         (pbb_number_of_iterations_at_time): Remove.
9507         (print_isl_ast): New.
9508         (debug_isl_ast): New.
9509         (debug_scop_pbb): New.
9510         * graphite-scop-detection.c (print_edge): Move.
9511         (print_sese): Move.
9512         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Remove.
9513         (build_scop_scattering): Remove.
9514         (create_pw_aff_from_tree): Assert instead of bailing out.
9515         (add_condition_to_pbb): Remove unused code, do not fail.
9516         (add_conditions_to_domain): Same.
9517         (add_conditions_to_constraints): Remove.
9518         (build_scop_context): New.
9519         (add_iter_domain_dimension): New.
9520         (build_iteration_domains): Initialize pbb->iterators.
9521         Call add_conditions_to_domain.
9522         (nested_in): New.
9523         (loop_at): New.
9524         (index_outermost_in_loop): New.
9525         (index_pbb_in_loop): New.
9526         (outermost_pbb_in): New.
9527         (add_in_sequence): New.
9528         (add_outer_projection): New.
9529         (outer_projection_mupa): New.
9530         (add_loop_schedule): New.
9531         (build_schedule_pbb): New.
9532         (build_schedule_loop): New.
9533         (embed_in_surrounding_loops): New.
9534         (build_schedule_loop_nest): New.
9535         (build_original_schedule): New.
9536         (build_poly_scop): Call build_original_schedule.
9537         * graphite.h: Declare print_isl_schedule and debug_isl_schedule.
9538         (free_poly_dr): Remove.
9539         (struct poly_bb): Add iterators.  Remove schedule, transformed, saved.
9540         (free_poly_bb): Remove.
9541         (debug_loop_vec): Remove.
9542         (print_isl_ast): Declare.
9543         (debug_isl_ast): Declare.
9544         (scop_do_interchange): Remove.
9545         (scop_do_strip_mine): Remove.
9546         (scop_do_block): Remove.
9547         (flatten_all_loops): Remove.
9548         (optimize_isl): Remove.
9549         (pbb_number_of_iterations_at_time): Remove.
9550         (debug_scop_pbb): Declare.
9551         (print_schedule_ast): Declare.
9552         (debug_schedule_ast): Declare.
9553         (struct scop): Remove schedule.  Add original_schedule,
9554         transformed_schedule.
9555         (free_gimple_poly_bb): Remove.
9556         (print_generated_program): Remove.
9557         (debug_generated_program): Remove.
9558         (unify_scattering_dimensions): Remove.
9559         * sese.c (print_edge): ... here.
9560         (print_sese): ... here.
9561         (debug_edge): ... here.
9562         (debug_sese): ... here.
9563         * sese.h (print_edge): Declare.
9564         (print_sese): Declare.
9565         (dump_edge): Declare.
9566         (dump_sese): Declare.
9567
9568 2016-01-25  Aditya Kumar  <aditya.k7@samsung.com>
9569             Sebastian Pop  <s.pop@samsung.com>
9570
9571         * Makefile.in: Set ISLVER in site.exp.
9572
9573 2016-01-25  Jakub Jelinek  <jakub@redhat.com>
9574
9575         * omp-low.c (lower_omp_target) <case USE_DEVICE_PTR>: Set
9576         DECL_VALUE_EXPR of new_var even for the non-array case.  Look
9577         through DECL_VALUE_EXPR for expansion.
9578
9579 2016-01-25  Bernd Edlinger  <bernd.edlinger@hotmail.de>
9580
9581         * config/mips/mips.c (mips_compute_frame_info): Skip re-computing
9582         the frame info after reload completed.
9583
9584 2016-01-25  Jeff Law  <law@redhat.com>
9585
9586         PR tree-optimization/69196
9587         PR tree-optimization/68398
9588         * tree-ssa-threadupdate.h (enum bb_dom_status): Moved here from
9589         tree-ssa-threadupdate.c.
9590         (determine_bb_domination_status): Prototype
9591         * tree-ssa-threadupdate.c (enum bb_dom_status): Remove
9592         (determine_bb_domination_status): No longer static.
9593         (valid_jump_thread_path): Remove code to detect characteristics
9594         of the jump thread path not associated with correctness.
9595         * tree-ssa-threadbackward.c (fsm_find_control_statment_thread_paths):
9596         Correct test for thread path length.  Count PHIs for real operands as
9597         statements that need to be copied.  Do not count ASSERT_EXPRs.
9598         Look at all the blocks in the thread path.  Compute and selectively
9599         filter thread paths based on threading through the latch, threading
9600         a multiway branch or crossing a multiway branch.
9601
9602 2016-01-25  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
9603
9604         * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled):  Add
9605         decl with __attribute__ ((unused)) annotation.
9606
9607 2016-01-25  Ilya Enkovich  <enkovich.gnu@gmail.com>
9608
9609         PR target/69421
9610         * tree-vect-stmts.c (vectorizable_condition): Check vectype
9611         of operands is compatible with a statement vectype.
9612
9613 2016-01-25  Eric Botcazou  <ebotcazou@adacore.com>
9614
9615         * doc/extend.texi (scalar_storage_order type attribute): Fix typo and
9616         improve wording for mixed storage order support.
9617
9618 2016-01-25  Bilyan Borisov  <bilyan.borisov@arm.com>
9619
9620         * config/aarch64/arm_neon.h (vcvt_s64_f64): New intrinsic.
9621         (vcvt_u64_f64): Likewise.
9622         (vcvta_s64_f64): Likewise.
9623         (vcvta_u64_f64): Likewise.
9624         (vcvtm_s64_f64): Likewise.
9625         (vcvtm_u64_f64): Likewise.
9626         (vcvtn_s64_f64): Likewise.
9627         (vcvtn_u64_f64): Likewise.
9628         (vcvtp_s64_f64): Likewise.
9629         (vcvtp_u64_f64): Likewise.
9630
9631 2016-01-25  Claudiu Zissulescu  <claziss@synopsys.com>
9632
9633         * config/arc/arc.c (TARGET_DWARF_REGISTER_SPAN): Define.
9634         (arc_init): Check validity mll64 option.
9635         (arc_save_restore): Use double load/store instruction.
9636         (arc_expand_movmem): Likewise.
9637         (arc_split_move): Don't split if we have double load/store
9638         instructions. Returns a boolean.
9639         (arc_process_double_reg_moves): Change function to return boolean
9640         instead of a sequence of instructions.
9641         (arc_dwarf_register_span): New function.
9642         * config/arc/arc-protos.h (arc_split_move): Change prototype.
9643         * config/arc/arc.h (TARGET_CPU_CPP_BUILTINS): Define __ARC_LL64__.
9644         * config/arc/arc.md (*movdi_insn): Emit ldd/std instructions.
9645         (*movdf_insn): Likewise.
9646         * config/arc/arc.opt (mll64): New option.
9647         * config/arc/predicates.md (even_register_operand): New predicate.
9648         * doc/invoke.texi (ARC Options): Add mll64 documentation.
9649
9650 2016-01-25  Richard Biener  <rguenther@suse.de>
9651
9652         PR lto/69393
9653         * dwarf2out.c (is_naming_typedef_decl): Not when DECL_NAMELESS.
9654         * tree-streamer-out.c (pack_ts_base_value_fields): Stream
9655         DECL_NAMELESS.
9656         * tree-streamer-in.c (unpack_ts_base_value_fields): Likewise.
9657
9658 2016-01-25  Richard Biener  <rguenther@suse.de>
9659
9660         PR tree-optimization/69376
9661         * tree-ssa-sccvn.h (struct vn_ssa_aux): Add range_info_anti_range_p
9662         flag.
9663         (VN_INFO_ANTI_RANGE_P): New inline.
9664         (VN_INFO_RANGE_TYPE): Likewise.
9665         * tree-ssa-sccvn.c (set_ssa_val_to): Also record and copy
9666         SSA_NAME_ANTI_RANGE_P.
9667         (free_scc_vn): Restore SSA_NAME_ANTI_RANGE_P.
9668         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
9669         Properly query VN_INFO_RANGE_TYPE.
9670
9671 2016-01-25  Nick Clifton  <nickc@redhat.com>
9672
9673         PR target/66655
9674         * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Remove definition.
9675
9676 2016-01-23  Tom de Vries  <tom@codesourcery.com>
9677
9678         PR tree-optimization/69426
9679         * tree-parloops.c (eliminate_local_variables_stmt): Handle vdef of
9680         removed clobber.
9681
9682 2016-01-23  Jakub Jelinek  <jakub@redhat.com>
9683
9684         * tree-ssanames.c (release_free_names_and_compact_live_names): Replace
9685         "the the" with "the" in the comments.
9686         * ipa-devirt.c (build_type_inheritance_graph,
9687         update_type_inheritance_graph): Likewise.
9688         * tree.c (build_function_type_list_1): Likewise.
9689         * cfgloopmanip.c (scale_loop_profile): Likewise.
9690         * tree-ssa-loop-ivopts.c (get_shiftadd_cost): Likewise.
9691         * gimple-ssa-split-paths.c
9692         (find_block_to_duplicate_for_splitting_paths): Likewise.
9693         * tree-sra.c (init_subtree_with_zero, clobber_subtree): Likewise.
9694         * expr.c (convert_move): Likewise.
9695         * var-tracking.c (vt_stack_adjustments): Likewise.
9696         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Likewise.
9697         * tree-vrp.c (test_for_singularity): Likewise.
9698
9699         * tree-vect-stmts.c (vectorizable_condition): Build a VEC_COND_EXPR
9700         directly instead of building a temporary tree.
9701
9702         PR bootstrap/69434
9703         * genrecog.c: Define INCLUDE_ALGORITHM before including system.h,
9704         remove <algorithm> include.
9705
9706 2016-01-22  Jakub Jelinek  <jakub@redhat.com>
9707
9708         PR target/69432
9709         * config/i386/i386.c: Include dojump.h.
9710         (expand_small_movmem_or_setmem,
9711         expand_set_or_movmem_prologue_epilogue_by_misaligned_moves): Spelling
9712         fixes.
9713         (ix86_expand_set_or_movmem): Call do_pending_stack_adjust () early
9714         if dynamic_check != -1.
9715
9716 2016-01-21  Jeff Law  <law@redhat.com>
9717
9718         PR middle-end/69347
9719         * tree-ssa-dom.c (back_propagate_equivalences): Factored out of
9720         record_temporary_equivalences.  Rewritten to avoid unnecessary calls
9721         into dominated_by_p.
9722         (cprop_into_successor_phis): Avoid unnecessary tests.
9723
9724 2016-01-22  Richard Henderson  <rth@redhat.com>
9725
9726         PR target/69416
9727         * config/aarch64/aarch64.md (UNSPEC_NZCV): New.
9728         (ccmp<mode>, fccmp<mode>, fccmpe<mode>): Use it.
9729
9730 2016-01-22  Michael Matz  <matz@suse.de>
9731
9732         * system.h (string, algorithm): Include only conditionally.
9733         (new): Include always under C++.
9734         * bb-reorder.c (toplevel): Define INCLUDE_ALGORITHM.
9735         * final.c (toplevel): Ditto.
9736         * ipa-chkp.c (toplevel): Define INCLUDE_STRING.
9737         * genconditions.c (write_header): Make gencondmd.c define
9738         INCLUDE_STRING.
9739         * mem-stats.h (mem_usage::print_dash_line): Don't use std::string.
9740
9741         * config/aarch64/aarch64.c (toplevel): Define INCLUDE_STRING.
9742         * common/config/aarch64/aarch64-common.c (toplevel): Ditto.
9743
9744 2016-01-22  Christian Bruel  <christian.bruel@st.com>
9745
9746         PR target/68674
9747         * expr.c (expand_expr_real_1): Reset DECL_MODE if VECTOR_TYPE_P changed.
9748
9749 2016-01-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9750
9751         PR target/69403
9752         * config/arm/thumb2.md (*thumb2_ior_scc_strict_it): Convert to
9753         define_insn_and_split.  Ensure operands[1] and operands[0] do not
9754         get assigned the same register.
9755
9756 2016-01-22  Kugan Vivekanandarajah  <kuganv@linaro.org>
9757
9758         * ipa-prop.c (ipa_set_jf_constant): Remove redundant unshare_expr.
9759
9760 2016-01-22  Christian Bruel  <christian.bruel@st.com>
9761
9762         * config/arm/arm-c.c (arm_pragma_target_parse):
9763         Remove warn_builtin_macro_redefined overwrite.
9764
9765 2016-01-22  Eric Botcazou  <ebotcazou@adacore.com>
9766
9767         * ipa-inline.c (can_inline_edge_p): Back out overzealous check on
9768         flag_non_call_exceptions compatibility.
9769
9770 2016-01-22  Jakub Jelinek  <jakub@redhat.com>
9771
9772         PR debug/66668
9773         * dwarf2out.c (add_child_die_after): New function.
9774         (dwarf_qual_info_t): New type.
9775         (dwarf_qual_info): New variable.
9776         (qualified_die_p): New function.
9777         (modified_type_die): For -fdebug-types-section, ensure
9778         canonical order of qualifiers.  Put qualified DIEs adjacent
9779         to the corresponding non-qualified type DIE and search there
9780         for existing qualified DIEs.
9781
9782 2016-01-22  Eric Botcazou  <ebotcazou@adacore.com>
9783
9784         * doc/extend.texi (scalar_storage_order type attribute): Document
9785         restriction on type punning and aliasing, and remove future tense.
9786
9787 2016-01-21  Roman Zhuykov  <zhroma@ispras.ru>
9788
9789         PR target/69252
9790         * modulo-sched.c (optimize_sc): Allow branch-scheduling to add a new
9791         first stage.
9792
9793 2016-01-21  Jeff Law  <law@redhat.com>
9794
9795         PR middle-end/69347
9796         * tree-ssa-dom.c (dom_opt_dom_walker::thread_across_edge): Avoid
9797         useless call to record_temporary_equivalences.
9798         * tree-ssa-threadbackward.c (find_jump_threads_backwards): Just
9799         allocate 10 slots in the bb_path vector and let it grow as needed.
9800         (fsm_find_control_statement_thread_paths): Similarly for the next_path
9801         vector.
9802
9803 2016-01-21  David Edelsohn  <dje.gcc@gmail.com>
9804
9805         * configure.ac (gcc_cv_as_powerpc_mfcrf, gcc_cv_as_machine_directive):
9806         Detangle.
9807         * configure: Regenerate.
9808
9809 2016-01-21  Pat Haugen  <pthaugen@us.ibm.com>
9810
9811         * config/rs6000/aix71.h (ASM_CPU_SPEC): Add entry for Power9.
9812         * config/rs6000/driver-rs6000.c (struct asm_names): Likewise.
9813
9814 2016-01-21  Bernd Schmidt  <bschmidt@redhat.com>
9815
9816         PR middle-end/66178
9817         * expr.c (expand_expr_real_2) [PLUS_EXPR, MINUS_EXPR]: Don't
9818         drop EXPAND_INITIALIZER.
9819         * rtl.h (contains_symbolic_reference_p): Declare.
9820         * rtlanal.c (contains_symbolic_reference_p): New function.
9821         * simplify-rtx.c (simplify_binary_operation_1): Don't turn
9822         a subtraction into a NOT if symbolic constants are involved.
9823
9824 2016-01-21  Anton Blanchard  <anton@samba.org>
9825             Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
9826
9827         PR target/63354
9828         * config/rs6000/linux64.h (TARGET_KEEP_LEAF_WHEN_PROFILED): New
9829         #define.
9830         * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled): New
9831         function.
9832
9833 2016-01-21  Ajit Agarwal  <ajitkum@xilinx.com>
9834
9835         * config/microblaze/microblaze.c
9836         (get_branch_target): New.
9837         (insert_wic_for_ilb_runout): New.
9838         (insert_wic): New.
9839         (microblaze_machine_dependent_reorg): New.
9840         (TARGET_MACHINE_DEPENDENT_REORG): Define macro.
9841         * config/microblaze/microblaze.md
9842         (UNSPEC_IPREFETCH): Define.
9843         (iprefetch): New pattern
9844         * config/microblaze/microblaze.opt
9845         (mxl-prefetch): New flag.
9846
9847 2016-01-21  Ajit Agarwal  <ajitkum@xilinx.com>
9848
9849         * config/microblaze/microblaze.h
9850         (FIXED_REGISTERS): Update in macro.
9851         (CALL_USED_REGISTERS): Update in macro.
9852
9853 2016-01-21  Yuri Rumyantsev  <ysrumyan@gmail.com>
9854
9855         PR rtl-optimization/68920
9856         * ifcvt.c (cond_move_process_if_block): Limit number of conditional
9857         moves.
9858
9859 2016-01-21  Vladimir Makarov  <vmakarov@redhat.com>
9860
9861         PR rtl-optimization/68990
9862         * lra-coalesce.c (lra_coalesce): Invalidate value for the result
9863         pseudo instead of inheritance ones.
9864
9865 2016-01-21  Bernd Edlinger  <bernd.edlinger@hotmail.de>
9866             Nick Clifton  <nickc@redhat.com>
9867
9868         PR target/69129
9869         PR target/69012
9870         * config/mips/mips.c (mips_compute_frame_info): Initialise
9871         args_size and hard_frame_pointer_offset fields of the frame
9872         structure before calling mips_global_pointer.
9873
9874 2016-01-21  David Edelsohn  <dje.gcc@gmail.com>
9875
9876         * configure.ac (gcc_cv_as_dwloc): Test support for debug frame section
9877         label reference.
9878         * configure: Regenerate.
9879
9880 2016-01-21  Richard Biener  <rguenther@suse.de>
9881
9882         * graphite-optimize-isl.c (get_schedule_map): Fix typo.
9883
9884 2016-01-21  Marcin Kościelnicki  <koriakin@0x04.net>
9885
9886         * config/s390/s390.c (s390_asm_declare_function_size): Add code
9887         to actually emit the .size directive.
9888
9889 2016-01-21   Stefan Sørensen  <stefan.sorensen@spectralink.com>
9890              Jakub Jelinek  <jakub@redhat.com>
9891
9892         PR target/69187
9893         PR target/65624
9894         * config/arm/arm-builtins.c (arm_expand_neon_builtin): Increase
9895         args array size by one to avoid buffer overflow.
9896
9897 2016-01-21  Marcin Kościelnicki  <koriakin@0x04.net>
9898
9899         * config/s390/s390.md (pool_section_start): Use switch_to_section
9900         to select proper read-only data section instead of hardcoding
9901         .rodata.
9902         (pool_section_end): Use switch_to_section to match the above.
9903
9904 2016-01-21  Richard Biener  <rguenther@suse.de>
9905
9906         PR tree-optimization/69378
9907         * tree-ssa-sccvn.c (dominated_by_p_w_unex): New function.
9908         (set_ssa_val_to): Use it for dominance checks taking into
9909         account not executable edges.
9910
9911 2016-01-21  Jakub Jelinek  <jakub@redhat.com>
9912
9913         PR c++/69355
9914         * tree-dfa.c (get_ref_base_and_extent): Use GET_MODE_BITSIZE (mode)
9915         for bitsize instead of GET_MODE_PRECISION (mode).
9916
9917 2016-01-20  Martin Sebor  <msebor@redhat.com>
9918
9919         PR c/52291
9920         * extend.texi (__sync Builtins): Clarify the semantics of
9921         __sync_fetch_and_OP built-ins on pointers.
9922         (__atomic Builtins): Same.
9923
9924 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
9925             Sebastian Pop  <s.pop@samsung.com>
9926
9927         * graphite-isl-ast-to-gimple.c (enum phi_node_kind): New.
9928         (class translate_isl_ast_to_gimple): Use phi_node_kind instead of bool.
9929         (is_valid_rename): Same.
9930         (translate_isl_ast_to_gimple::get_rename): Same.
9931         (translate_isl_ast_to_gimple::rename_all_uses): Same.
9932         (translate_isl_ast_to_gimple::rename_uses): Same.
9933         (get_new_name): Check for close_phi nodes.
9934         (copy_loop_phi_args): Use phi_node_kind.
9935         (translate_isl_ast_to_gimple::copy_loop_close_phi_args): Same.
9936         (translate_isl_ast_to_gimple::copy_cond_phi_args): Same.
9937
9938 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
9939             Sebastian Pop  <s.pop@samsung.com>
9940
9941         Revert commit r229783.
9942         * graphite-isl-ast-to-gimple.c (gcc_expression_from_isl_ast_expr_id):
9943         Remove use of parameter_rename_map.
9944         (copy_def): Remove.
9945         (copy_internal_parameters): Remove.
9946         (graphite_regenerate_ast_isl): Remove call to copy_internal_parameters.
9947         * sese.c (new_sese_info): Do not initialize parameter_rename_map.
9948         (free_sese_info): Do not free parameter_rename_map.
9949         (set_rename): Do not use parameter_rename_map.
9950         (rename_uses): Update call to set_rename.
9951         (graphite_copy_stmts_from_block): Do not use parameter_rename_map.
9952         * sese.h (parameter_rename_map_t): Remove.
9953         (struct sese_info_t): Remove field parameter_rename_map.
9954
9955 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
9956             Sebastian Pop  <s.pop@samsung.com>
9957
9958         * graphite-isl-ast-to-gimple.c: Fix comment.
9959         * graphite-scop-detection.c (defined_in_loop_p): New.
9960         (canonicalize_loop_closed_ssa): Do not add close phi nodes for SSA
9961         names defined in loop.
9962
9963 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
9964             Sebastian Pop  <s.pop@samsung.com>
9965
9966         * graphite-scop-detection.c (scop_detection::harmful_loop_in_region):
9967         Discard unstructured if-then-else regions.
9968
9969 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
9970             Sebastian Pop  <s.pop@samsung.com>
9971
9972         * graphite-sese-to-poly.c (set_scop_parameter_dim): Remove.
9973         (cleanup_loop_iter_dom): Remove.
9974         (build_loop_iteration_domains): Remove.
9975         (build_scop_context): Remove.
9976         (build_scop_iteration_domain): Remove.
9977         (add_loop_constraints): New.
9978         (build_iteration_domains): New.
9979         (build_poly_scop): Call build_iteration_domains.
9980
9981 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
9982             Sebastian Pop  <s.pop@samsung.com>
9983
9984         * graphite-scop-detection.c
9985         (scop_detection::harmful_loop_in_region): Free dom and loops.
9986         (scop_detection::loop_body_is_valid_scop): Free bbs.
9987
9988 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
9989             Sebastian Pop  <s.pop@samsung.com>
9990
9991         * graphite-scop-detection.c (record_loop_in_sese): New.
9992         (gather_bbs::before_dom_children): Call record_loop_in_sese.
9993         (build_scops): Remove call to build_sese_loop_nests.
9994         * sese.c (sese_record_loop): Remove.
9995         (build_sese_loop_nests): Remove.
9996         (new_sese_info): Remove region->loops.
9997         (free_sese_info): Same.
9998         * sese.h (sese_contains_loop): Same.
9999         (build_sese_loop_nests): Remove.
10000         (sese_contains_loop): Remove.
10001
10002 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
10003             Sebastian Pop  <s.pop@samsung.com>
10004
10005         * graphite-scop-detection.c (loop_is_valid_scop): Renamed
10006         loop_is_valid_in_scop.
10007         (scop_detection::harmful_stmt_in_region): Renamed
10008         harmful_loop_in_region.
10009         Call loop_is_valid_in_scop.
10010
10011 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
10012             Sebastian Pop  <s.pop@samsung.com>
10013
10014         * graphite-isl-ast-to-gimple.c (translate_isl_ast): Also handle
10015         isl_ast_node_mark.
10016
10017 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
10018             Sebastian Pop  <s.pop@samsung.com>
10019
10020         * graphite-poly.c (new_poly_bb): Remove use of PBB_IS_REDUCTION.
10021         * graphite.h (struct poly_bb): Remove field is_reduction.
10022         (PBB_IS_REDUCTION): Remove.
10023
10024 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
10025             Sebastian Pop  <s.pop@samsung.com>
10026
10027         * graphite-dependences.c (constrain_domain): Add call to isl_*_coalesce.
10028         (add_pdr_constraints): Same.
10029         (scop_get_reads): Same.
10030         (scop_get_must_writes): Same.
10031         (scop_get_may_writes): Same.
10032         (scop_get_original_schedule): Same.
10033         (extend_schedule): Same.
10034         (apply_schedule_on_deps): Same.
10035         (carries_deps): Same.
10036         (compute_deps): Same.
10037         (scop_get_dependences): Same.
10038         * graphite-isl-ast-to-gimple.c
10039         (translate_isl_ast_to_gimple::generate_isl_schedule): Same.
10040         * graphite-optimize-isl.c (get_schedule_for_band): Same.
10041         (get_schedule_for_band_list): Same.
10042         (get_schedule_map): Same.
10043         (apply_schedule_map_to_scop): Same.
10044         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
10045         (build_loop_iteration_domains): Same.
10046         (add_condition_to_pbb): Same.
10047         (add_param_constraints): Same.
10048         (pdr_add_memory_accesses): Same.
10049         (pdr_add_data_dimensions): Same.
10050
10051 2016-01-20  Sandra Loosemore  <sandra@codesourcery.com>
10052
10053         * doc/invoke.texi (Instrumentation Options): Clarify -mmpx linking
10054         requirements.
10055
10056 2016-01-20  Sandra Loosemore  <sandra@codesourcery.com>
10057
10058         * common.opt (feliminate-dwarf2-dups): Replace references to
10059         "DWARF 2" with just "DWARF".
10060         * config/ia64/ia64.opt (mdwarf2-asm): Likewise.
10061         * doc/extend.texi: Likewise.
10062         * doc/cpp.texi: Likewise.
10063         * doc/invoke.texi: Likewise.
10064         (Option Summary): Add -gdwarf to list of Debugging Options.
10065         (Debugging Options): Document -gdwarf.
10066         * doc/contrib.texi: Spell "DWARF" like that.
10067
10068 2016-01-21  Jakub Jelinek  <jakub@redhat.com>
10069
10070         * omp-low.c (expand_omp_target): Avoid -Wmaybe-uninitialized
10071         warning.  Fix up formatting.
10072
10073         PR middle-end/67653
10074         * gimplify.c (gimplify_asm_expr): Warn if it is too late to
10075         attempt to mark memory input operand addressable and
10076         call prepare_gimple_addressable in that case.  Don't adjust
10077         input_location for diagnostics, use error_at instead.
10078
10079 2016-01-20  Peter Bergner  <bergner@vnet.ibm.com>
10080
10081         * config/rs6000/ppc-auxv.h: New file.
10082         * config/rs6000/rs6000-builtin.def (cpu_init): Add new builtin.
10083         (cpu_is): Likewise.
10084         (cpu_supports): Likewise.
10085         * config/rs6000/rs6000.c: include "ppc-auxv.h".
10086         (cpu_is_info): New variable.
10087         (cpu_supports_info): Likewise.
10088         (tcb_verification_symbol): Likewise.
10089         (cpu_builtin_p): Likewise.
10090         (cpu_expand_builtin): New function.
10091         (rs6000_expand_ternop_builtin): Add support for CPU builtin functions.
10092         (rs6000_init_builtins): Likewise.
10093         (rs6000_elf_file_end): Emit HWCAP in TCB verification symbol.
10094         * config/rs6000/rs6000.h (TLS_REGNUM): New define.
10095         * configure.ac (gcc_cv_libc_provides_hwcap_in_tcb): New test.
10096         * configure: Regenerate.
10097         * config.in: Likewise.
10098         * doc/extend.texi (PowerPC Built-in Functions): Document
10099         __builtin_cpu_init, __builtin_cpu_is and __builtin_cpu_supports.
10100
10101 2016-01-20  David Edelsohn  <dje.gcc@gmail.com>
10102
10103         PR target/68609
10104         * config/rs6000/rs6000.c (rs6000_emit_swsqrt): Add vector sqrt
10105         domain check.
10106         * config/rs6000/vector.md (sqrt<mode>2): Call rs6000_emit_swsqrt
10107         for V4SFmode.
10108
10109 2016-01-20  Richard Henderson  <rth@redhat.com>
10110
10111         PR bootstrap/69343
10112         PR bootstrap/69339
10113         PR tree-opt/68964
10114         Revert:
10115         * tree.c (tm_define_builtin): New.
10116         (find_tm_vector_type): New.
10117         (build_tm_vector_builtins): New.
10118         (build_common_builtin_nodes): Call it.
10119
10120 2016-01-20  Christophe Lyon  <christophe.lyon@linaro.org>
10121
10122         * doc/sourcebuild.texi (arm_crypto_pragma_ok): Document new entry.
10123         (arm_fp_ok): Likewise.
10124         (arm_fp): Likewise.
10125         (arm_crypto): Likewise.
10126
10127 2016-01-20  Ilya Enkovich  <enkovich.gnu@gmail.com>
10128             Richard Biener  <rguenther@suse.de>
10129
10130         PR tree-optimization/69328
10131         * tree-vect-stmts.c (vect_is_simple_cond): Check compared
10132         vectors have same number of elements.
10133         (vectorizable_condition): Fix masked version recognition.
10134
10135 2016-01-20  Richard Biener  <rguenther@suse.de>
10136
10137         PR tree-optimization/69345
10138         * tree-ssa-sccvn.h (VN_INFO_RANGE_INFO): New inline function.
10139         (VN_INFO_PTR_INFO): Likewise.
10140         * tree-ssa-sccvn.c (set_ssa_val_to): Avoid clearing points-to
10141         info when it is equal between non-dominating SSA names.
10142         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
10143         Make sure to look at original SSA infos.
10144
10145 2016-01-20  Jeff Law  <law@redhat.com>
10146
10147         PR target/25114
10148         * config/m68k/predicates.md (pow2_m1_operand): New predicate
10149         extracted from ...
10150         (reg_or_pow2_m1_operand): Call pow2_m1_operand.
10151         (pc_or_label_operand): New predicate.
10152         * config/m68k/m68k.md: Add new peephole2 patterns for GTU/LEU
10153         tests for small integers that are 2^n - 1.
10154
10155 2016-01-20  Jonathan Wakely  <jwakely@redhat.com>
10156
10157         * doc/invoke.texi (Options Summary): Add '.' after @xref.
10158
10159 2016-01-19  Jeff Law  <law@redhat.com>
10160
10161         PR middle-end/69347
10162         * tree-ssa-threadbackwards.c
10163         (fsm_find_control_statement_thread_paths): Do not try to lookup
10164         FSM paths for SSA_NAMEs appearing in abnormal PHIs.
10165
10166 2016-01-20  Kugan Vivekanandarajah  <kuganv@linaro.org>
10167
10168         * doc/lto.texi: Remove text that says only Gold has linker plugin
10169         support.
10170
10171 2016-01-19  Eric Botcazou  <ebotcazou@adacore.com>
10172
10173         * dwarf2out.c (need_endianity_attribute_p): New inline predicate.
10174         (base_type_die): Add REVERSE parameter and attach DW_AT_endianity to
10175         the DIE accordingly.
10176         (modified_type_die): Add REVERSE parameter and pass it recursively,
10177         as well as to base_type_die.  Adjust presence check accordingly.
10178         (base_type_for_mode): Adjust call to modified_type_die.
10179         (add_type_attribute): Add REVERSE parameter and pass it to
10180         modified_type_die.
10181         (generic_parameter_die): Adjust call to add_type_attribute.
10182         (add_scalar_info): Likewise.
10183         (add_subscript_info): Likewise.
10184         (gen_array_type_die): Likewise.
10185         (gen_descr_array_type_die): Likewise.
10186         (gen_entry_point_die): Likewise.
10187         (gen_enumeration_type_die): Likewise.
10188         (gen_formal_parameter_die): Likewise.
10189         (gen_subprogram_die): Likewise.
10190         (gen_variable_die ): Likewise.
10191         (gen_const_die): Likewise.
10192         (gen_field_die): Likewise.
10193         (gen_pointer_type_die): Likewise.
10194         (gen_reference_type_die): Likewise.
10195         (gen_ptr_to_mbr_type_die): Likewise.
10196         (gen_inheritance_die): Likewise.
10197         (gen_subroutine_type_die): Likewise.
10198         (gen_typedef_die): Likewise.
10199         (force_type_die): Adjust call to modified_type_die.
10200
10201 2016-01-19  Sandra Loosemore  <sandra@codesourcery.com>
10202
10203         * doc/standards.texi: Copy-editing for grammar, markup, and sentence
10204         flow throughout the file.  Fix broken link to Objective-C 2.0
10205         documentation.
10206         * doc/invoke.texi: More copy-editing; fix numerous typos and spelling
10207         errors.
10208
10209 2016-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
10210
10211         * ccmp.c (expand_ccmp_expr_1): Avoid spurious unused warnings.
10212
10213 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
10214
10215         PR ipa/66223
10216         * ipa-devirt.c (is_cxa_pure_virtual_p): New function.
10217         (maybe_record_node): Record cxa_pure_virtual as the only possible
10218         target if there are not ohter candidates.
10219         (possible_polymorphic_call_target_p): Accept cxa_pure_virtual.
10220
10221 2016-01-19  Richard Biener  <rguenther@suse.de>
10222
10223         * hsa-gen.c (get_memory_order_name): Use MEMMODEL_ constants.
10224         (get_memory_order): Likewise.
10225
10226 2016-01-19  Kirill Yukhin  <kirill.yukhin@intel.com>
10227
10228         * tree-vect-stmts.c (vectorizable_store): Check
10229         rhs vectype.
10230
10231 2016-01-19  David Malcolm  <dmalcolm@redhat.com>
10232
10233         PR jit/68446
10234         * gcc.c (driver::decode_argv): Add call to
10235         init_opts_obstack before init_options_struct.
10236         * opts.c (init_opts_obstack): Remove idempotency.
10237         (init_options_struct): Replace call to init_opts_obstack
10238         with a gcc_assert to verify that it has already been called.
10239         * toplev.c (toplev::main): Add call to init_opts_obstack before
10240         calls to init_options_struct.
10241         (toplev::finalize): Move cleanup of opts_obstack next to
10242         cleanup of save_decoded_options, clearing the latter, and
10243         save_decoded_options_count.
10244
10245 2016-01-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
10246
10247         PR target/69135
10248         * config/arm/vfp.md (l<vrint_pattern><su_optab><mode>si2): Set "conds"
10249         attribute to unconditional.  Remove %? from output template.
10250
10251 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
10252             Jiong Wang  <jiong.wang@arm.com>
10253
10254         * ccmp.c (expand_ccmp_expr_1): Cost the instruction sequences
10255         generated from different expand order.
10256
10257 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
10258
10259         * /config/aarch64/aarch64.c (aarch64_if_then_else_costs):
10260         Add support for CCMP costing.
10261
10262 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
10263
10264         * ccmp.c (ccmp_candidate_p): Remove integer-only restriction.
10265         * config/aarch64/aarch64.md (fccmp<mode>): New pattern.
10266         (fccmpe<mode>): Likewise.
10267         (fcmp): Rename to fcmp and globalize pattern.
10268         (fcmpe): Likewise.
10269         * config/aarch64/aarch64.c (aarch64_gen_ccmp_first): Add FP support.
10270         (aarch64_gen_ccmp_next): Add FP support.
10271
10272 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
10273
10274         * target.def (gen_ccmp_first): Update documentation.
10275         (gen_ccmp_next): Likewise.
10276         * doc/tm.texi (gen_ccmp_first): Update documentation.
10277         (gen_ccmp_next): Likewise.
10278         * ccmp.c (expand_ccmp_expr): Extract cmp_code from return value of
10279         expand_ccmp_expr_1.  Improve comments.
10280         * config/aarch64/aarch64.md (ccmp_and): Use if_then_else for ccmp.
10281         (ccmp_ior<mode>): Remove pattern.
10282         (cmp<mode>): Remove expand.
10283         (cmp): Globalize pattern.
10284         (cstorecc4): Use cc_register.
10285         (mov<mode>cc): Remove ccmp_cc_register check.
10286         * config/aarch64/aarch64.c (aarch64_get_condition_code_1):
10287         Simplify after removal of CC_DNE/* modes.
10288         (aarch64_ccmp_mode_to_code): Remove.
10289         (aarch64_print_operand): Remove 'K' case.  Merge 'm' and 'M' cases.
10290         In 'k' case use integer as condition.
10291         (aarch64_nzcv_codes): Remove inverted cases.
10292         (aarch64_code_to_ccmode): Remove.
10293         (aarch64_gen_ccmp_first): Use cmp pattern directly.  Return the correct
10294         comparison with CC register to be used in folowing CCMP/branch/CSEL.
10295         (aarch64_gen_ccmp_next): Use previous comparison and mode in CCMP
10296         pattern.  Return the comparison with CC register.  Invert conditions
10297         when bitcode is OR.
10298         * config/aarch64/aarch64-modes.def: Remove CC_DNE/* modes.
10299         * config/aarch64/predicates.md (ccmp_cc_register): Remove.
10300
10301 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
10302
10303         * cgraphunit.c (cgraph_node::reset): Clear thunk info and
10304         instrumented_version.
10305
10306 2016-01-19  Richard Biener  <rguenther@suse.de>
10307
10308         PR tree-optimization/69336
10309         * tree-ssa-scopedtables.c (avail_expr_hash): Handle all
10310         handled components with get_ref_base_and_extent.
10311         (equal_mem_array_ref_p): Adjust.
10312
10313 2016-01-19  Jakub Jelinek  <jakub@redhat.com>
10314
10315         PR debug/65779
10316         * shrink-wrap.c: Include valtrack.h.
10317         (move_insn_for_shrink_wrap): Add DEBUG argument.  If
10318         MAY_HAVE_DEBUG_INSNS, call dead_debug_add on DEBUG_INSNs
10319         in between insn and where it will be moved to.  Call
10320         dead_debug_insert_temp.
10321         (prepare_shrink_wrap): Adjust caller.  Call dead_debug_local_init
10322         first and dead_debug_local_finish at the end.
10323         For uses and defs bitmap, handle all regs in between REGNO and
10324         END_REGNO, not just the first one.
10325
10326 2016-01-19  Richard Biener  <rguenther@suse.de>
10327
10328         PR tree-optimization/69352
10329         * tree-ssa-scopedtables.c (avail_expr_hash): Check for size == -1.
10330         (equal_mem_array_ref_p): Constrain size and max size properly.
10331         Compare the reverse flag.
10332
10333 2016-01-19  Bernd Schmidt  <bschmidt@redhat.com>
10334
10335         * ira.c (ira): Update regstat data if we deleted insns.
10336
10337 2016-01-19  Jakub Jelinek  <jakub@redhat.com>
10338
10339         PR rtl-optimization/68955
10340         PR rtl-optimization/64557
10341         * dse.c (record_store, check_mem_read_rtx): Don't call get_addr
10342         here.  Fix up formatting.
10343         * alias.c (get_addr): Handle VALUE +/- CONST_SCALAR_INT_P.
10344
10345 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
10346
10347         PR lto/69133
10348         * cgraphunit.c (cgraph_node::expand_thunk): When forcing gimple
10349         assume that the node has body.
10350         * cgraph.c (cgraph_node::get_untransformed_body): Use gimple_body_p
10351         check.
10352
10353 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
10354
10355         * lto-streamer-out.c (lto_output): Do not stream instrumentation
10356         thunks.
10357
10358 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
10359
10360         * symtab.c (symtab_node::asm_name): Do not call printable name directly.
10361         (symtab_node::name): Report name as unnamed if DECL_NAME is not set.
10362
10363 2016-01-19  Martin Jambor  <mjambor@suse.cz>
10364             Martin Liska  <mliska@suse.cz>
10365             Michael Matz  <matz@suse.de>
10366
10367         * Makefile.in (OBJS): Add new source files.
10368         (GTFILES): Add hsa.c.
10369         * common.opt (disable_hsa): New variable.
10370         (-Whsa): New warning.
10371         * config.in (ENABLE_HSA): New.
10372         * configure.ac: Treat hsa differently from other accelerators.
10373         (OFFLOAD_TARGETS): Define ENABLE_OFFLOADING according to
10374         $enable_offloading.
10375         (ENABLE_HSA): Define ENABLE_HSA according to $enable_hsa.
10376         * doc/install.texi (Configuration): Document --with-hsa-runtime,
10377         --with-hsa-runtime-include, --with-hsa-runtime-lib and
10378         --with-hsa-kmt-lib.
10379         * doc/invoke.texi (-Whsa): Document.
10380         (hsa-gen-debug-stores): Likewise.
10381         * lto-wrapper.c (compile_images_for_offload_targets): Do not attempt
10382         to invoke offload compiler for hsa acclerator.
10383         * opts.c (common_handle_option): Determine whether HSA offloading
10384         should be performed.
10385         * params.def (PARAM_HSA_GEN_DEBUG_STORES): New parameter.
10386         * builtin-types.def (BT_FN_VOID_UINT_PTR_INT_PTR): New.
10387         (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_INT_INT): Removed.
10388         (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_PTR): New.
10389         * gimple-low.c (lower_stmt): Also handle GIMPLE_OMP_GRID_BODY.
10390         * gimple-pretty-print.c (dump_gimple_omp_for): Also handle
10391         GF_OMP_FOR_KIND_GRID_LOOP.
10392         (dump_gimple_omp_block): Also handle GIMPLE_OMP_GRID_BODY.
10393         (pp_gimple_stmt_1): Likewise.
10394         * gimple-walk.c (walk_gimple_stmt): Likewise.
10395         * gimple.c (gimple_build_omp_grid_body): New function.
10396         (gimple_copy): Also handle GIMPLE_OMP_GRID_BODY.
10397         * gimple.def (GIMPLE_OMP_GRID_BODY): New.
10398         * gimple.h (enum gf_mask): Added GF_OMP_PARALLEL_GRID_PHONY,
10399         GF_OMP_FOR_KIND_GRID_LOOP, GF_OMP_FOR_GRID_PHONY and
10400         GF_OMP_TEAMS_GRID_PHONY.
10401         (gimple_statement_omp_single_layout): Updated comments.
10402         (gimple_build_omp_grid_body): New function.
10403         (gimple_has_substatements): Also handle GIMPLE_OMP_GRID_BODY.
10404         (gimple_omp_for_grid_phony): New function.
10405         (gimple_omp_for_set_grid_phony): Likewise.
10406         (gimple_omp_parallel_grid_phony): Likewise.
10407         (gimple_omp_parallel_set_grid_phony): Likewise.
10408         (gimple_omp_teams_grid_phony): Likewise.
10409         (gimple_omp_teams_set_grid_phony): Likewise.
10410         (gimple_return_set_retbnd): Also handle GIMPLE_OMP_GRID_BODY.
10411         * omp-builtins.def (BUILT_IN_GOMP_OFFLOAD_REGISTER): New.
10412         (BUILT_IN_GOMP_OFFLOAD_UNREGISTER): Likewise.
10413         (BUILT_IN_GOMP_TARGET): Updated type.
10414         * omp-low.c: Include symbol-summary.h, hsa.h and params.h.
10415         (adjust_for_condition): New function.
10416         (get_omp_for_step_from_incr): Likewise.
10417         (extract_omp_for_data): Moved parts to adjust_for_condition and
10418         get_omp_for_step_from_incr.
10419         (build_outer_var_ref): Handle GIMPLE_OMP_GRID_BODY.
10420         (fixup_child_record_type): Bail out if receiver_decl is NULL.
10421         (scan_sharing_clauses): Handle OMP_CLAUSE__GRIDDIM_.
10422         (scan_omp_parallel): Do not create child functions for phony
10423         constructs.
10424         (check_omp_nesting_restrictions): Handle GIMPLE_OMP_GRID_BODY.
10425         (scan_omp_1_op): Checking assert we are not remapping to
10426         ERROR_MARK.  Also also handle GIMPLE_OMP_GRID_BODY.
10427         (parallel_needs_hsa_kernel_p): New function.
10428         (expand_parallel_call): Register apprpriate parallel child
10429         functions as HSA kernels.
10430         (grid_launch_attributes_trees): New type.
10431         (grid_attr_trees): New variable.
10432         (grid_create_kernel_launch_attr_types): New function.
10433         (grid_insert_store_range_dim): Likewise.
10434         (grid_get_kernel_launch_attributes): Likewise.
10435         (get_target_argument_identifier_1): Likewise.
10436         (get_target_argument_identifier): Likewise.
10437         (get_target_argument_value): Likewise.
10438         (push_target_argument_according_to_value): Likewise.
10439         (get_target_arguments): Likewise.
10440         (expand_omp_target): Call get_target_arguments instead of looking
10441         up for teams and thread limit.
10442         (grid_expand_omp_for_loop): New function.
10443         (grid_arg_decl_map): New type.
10444         (grid_remap_kernel_arg_accesses): New function.
10445         (grid_expand_target_kernel_body): New function.
10446         (expand_omp): Call it.
10447         (lower_omp_for): Do not emit phony constructs.
10448         (lower_omp_taskreg): Do not emit phony constructs but create for them
10449         a temporary variable receiver_decl.
10450         (lower_omp_taskreg): Do not emit phony constructs.
10451         (lower_omp_teams): Likewise.
10452         (lower_omp_grid_body): New function.
10453         (lower_omp_1): Call it.
10454         (grid_reg_assignment_to_local_var_p): New function.
10455         (grid_seq_only_contains_local_assignments): Likewise.
10456         (grid_find_single_omp_among_assignments_1): Likewise.
10457         (grid_find_single_omp_among_assignments): Likewise.
10458         (grid_find_ungridifiable_statement): Likewise.
10459         (grid_target_follows_gridifiable_pattern): Likewise.
10460         (grid_remap_prebody_decls): Likewise.
10461         (grid_copy_leading_local_assignments): Likewise.
10462         (grid_process_kernel_body_copy): Likewise.
10463         (grid_attempt_target_gridification): Likewise.
10464         (grid_gridify_all_targets_stmt): Likewise.
10465         (grid_gridify_all_targets): Likewise.
10466         (execute_lower_omp): Call grid_gridify_all_targets.
10467         (make_gimple_omp_edges): Handle GIMPLE_OMP_GRID_BODY.
10468         * tree-core.h (omp_clause_code): Added OMP_CLAUSE__GRIDDIM_.
10469         (tree_omp_clause): Added union field dimension.
10470         * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE__GRIDDIM_.
10471         * tree.c (omp_clause_num_ops): Added number of arguments of
10472         OMP_CLAUSE__GRIDDIM_.
10473         (omp_clause_code_name): Added name of OMP_CLAUSE__GRIDDIM_.
10474         (walk_tree_1): Handle OMP_CLAUSE__GRIDDIM_.
10475         * tree.h (OMP_CLAUSE_GRIDDIM_DIMENSION): New.
10476         (OMP_CLAUSE_SET_GRIDDIM_DIMENSION): Likewise.
10477         (OMP_CLAUSE_GRIDDIM_SIZE): Likewise.
10478         (OMP_CLAUSE_GRIDDIM_GROUP): Likewise.
10479         * passes.def: Schedule pass_ipa_hsa and pass_gen_hsail.
10480         * tree-pass.h (make_pass_gen_hsail): Declare.
10481         (make_pass_ipa_hsa): Likewise.
10482         * ipa-hsa.c: New file.
10483         * lto-section-in.c (lto_section_name): Add hsa section name.
10484         * lto-streamer.h (lto_section_type): Add hsa section.
10485         * timevar.def (TV_IPA_HSA): New.
10486         * hsa-brig-format.h: New file.
10487         * hsa-brig.c: New file.
10488         * hsa-dump.c: Likewise.
10489         * hsa-gen.c: Likewise.
10490         * hsa.c: Likewise.
10491         * hsa.h: Likewise.
10492         * toplev.c (compile_file): Call hsa_output_brig.
10493         * hsa-regalloc.c: New file.
10494
10495 2016-01-18  Jeff Law  <law@redhat.com>
10496
10497         PR tree-optimization/69320
10498         * tree-ssa-dom.c (record_edge_info): For comparisons against a boolean
10499         ranged object, do nothing if the RHS constant is not [0..1].
10500         (optimize_stmt): Comparing a boolean ranged object against a
10501         constant outside [0..1] results in a compile-time constant.
10502
10503         * tree-ssanames.c (ssa_name_has_boolean_range): Remove unnecessary
10504         test.
10505
10506 2016-01-18  Sandra Loosemore  <sandra@codesourcery.com>
10507
10508         * doc/invoke.texi (Invoking GCC): Add new section to menu.
10509         (Option Summary): Update to reflect new section and moved options.
10510         (C++ Dialect Options): Move -fstats to new section.
10511         (Debugging Options): Move all dump, statistics, and other GCC
10512         developer options to new section.  Rewrite section introduction
10513         and re-order remaining options to put the more basic ones first.
10514         (Optimization Options): Move -fira-verbose and -flto-report* to
10515         new section.
10516         (Developer Options): New section incorporating moved options.
10517         * doc/cppopts.texi (-dM): Update cross-reference.
10518
10519 2016-01-18  Richard Henderson  <rth@redhat.com>
10520
10521         PR target/69176
10522         * config/aarch64/aarch64.md (add<GPI>3): Move long immediate
10523         operands to pseudo only if CSE is expected.  Split long immediate
10524         operands only after reload, and for the stack pointer.
10525         (*add<GPI>3_pluslong): Remove.
10526         (*addsi3_aarch64, *adddi3_aarch64): Merge into...
10527         (*add<GPI>3_aarch64): ... here.  Add r/rk/Upl alternative.
10528         (*addsi3_aarch64_uxtw): Add r/rk/Upl alternative.
10529         (*add<GPI>3 peepholes): New.
10530         (*add<GPI>3 splitters): New.
10531         * config/aarch64/constraints.md (Upl): New.
10532         * config/aarch64/predicates.md (aarch64_pluslong_strict_immedate): New.
10533
10534 2016-01-18  Richard Biener  <rguenther@suse.de>
10535
10536         PR tree-optimization/69297
10537         * tree-vect-slp.c (vect_bb_slp_scalar_cost): Count each scalar
10538         stmt at most once.
10539         (vect_bb_vectorization_profitable_p): Clear visited flag again.
10540
10541 2016-01-18  Yuri Rumyantsev  <ysrumyan@gmail.com>
10542
10543         PR middle-end/68542
10544         * fold-const.c (fold_binary_op_with_conditional_arg): Bail out for case
10545         of mixind vector and scalar types.
10546         (fold_relational_const): Add handling of vector
10547         comparison with boolean result.
10548         * tree-cfg.c (verify_gimple_comparison): Add argument CODE, allow
10549         comparison of vector operands with boolean result for EQ/NE only.
10550         (verify_gimple_assign_binary): Adjust call for verify_gimple_comparison.
10551         (verify_gimple_cond): Likewise.
10552         * tree-vrp.c (extract_code_and_val_from_cond_with_ops): Modify check on
10553         valid type of VAL.
10554
10555 2016-01-18  Joseph Myers  <joseph@codesourcery.com>
10556
10557         * config/mips/mips.h (ISA_HAS_PAIRED_SINGLE): Require
10558         !TARGET_OCTEON.
10559
10560 2016-01-18  Richard Biener  <rguenther@suse.de>
10561
10562         PR middle-end/69308
10563         * gimple.c (gimple_could_trap_p_1): Handle GIMPLE_COND.
10564
10565 2016-01-18  Tom de Vries  <tom@codesourcery.com>
10566
10567         * passes.def: Add pass_parallelize_loops to pass_oacc_kernels.
10568
10569 2016-01-18  Tom de Vries  <tom@codesourcery.com>
10570
10571         * omp-low.c (set_oacc_fn_attrib): Make extern.
10572         * omp-low.h (set_oacc_fn_attrib): Declare.
10573         * tree-parloops.c (struct reduction_info): Add reduc_addr field.
10574         (create_call_for_reduction_1): Handle case that reduc_addr is non-NULL.
10575         (create_parallel_loop, gen_parallel_loop, try_create_reduction_list):
10576         Add and handle function parameter oacc_kernels_p.
10577         (find_reduc_addr, get_omp_data_i_param): New function.
10578         (ref_conflicts_with_region, oacc_entry_exit_ok_1)
10579         (oacc_entry_exit_single_gang, oacc_entry_exit_ok): New function.
10580         (parallelize_loops): Add and handle function parameter oacc_kernels_p.
10581         Calculate dominance info.  Skip loops that are not in a kernels region
10582         in oacc_kernels_p mode.  Skip inner loops of parallelized loops.
10583         (pass_parallelize_loops::execute): Call parallelize_loops with
10584         oacc_kernels_p argument.
10585         (pass_parallelize_loops::clone, pass_parallelize_loops::set_pass_param):
10586         New member function.
10587         (pass_parallelize_loops::bool oacc_kernels_p): New member var.
10588         * passes.def: Add argument to pass_parallelize_loops instantation.
10589
10590 2016-01-18  Tom de Vries  <tom@codesourcery.com>
10591
10592         * tree-parloops.c (pass_parallelize_loops::execute): Allow
10593         pass_parallelize_loops to be run outside the loop pipeline.
10594
10595 2016-01-18  Alan Lawrence  <alan.lawrence@arm.com>
10596
10597         * tree-scalar-evolution.c (follow_copies_to_constant): New.
10598         (analyze_initial_condition, analyze_scalar_evolution_1): Call previous.
10599
10600 2016-01-18  Alan Lawrence  <alan.lawrence@arm.com>
10601
10602         PR target/63679
10603         * tree-ssa-scopedtables.c (avail_expr_hash): Hash MEM_REF and ARRAY_REF
10604         using get_ref_base_and_extent.
10605         (equal_mem_array_ref_p): New.
10606         (hashable_expr_equal_p): Add call to previous.
10607
10608 2016-01-18  Alan Lawrence  <alan.lawrence@arm.com>
10609
10610         PR target/63679
10611         * tree-sra.c (disqualified_constants, constant_decl_p): New.
10612         (sra_initialize): Allocate disqualified_constants.
10613         (sra_deinitialize): Free disqualified_constants.
10614         (disqualify_candidate): Update disqualified_constants when appropriate.
10615         (create_access): Scan for constant-pool entries as we go along.
10616         (scalarizable_type_p): Add check against type_contains_placeholder_p.
10617         (maybe_add_sra_candidate): Allow constant-pool entries.
10618         (load_assign_lhs_subreplacements): Bind debug for constant pool vars.
10619         (initialize_constant_pool_replacements): New.
10620         (sra_modify_assign): Avoid mangling assignments created by previous,
10621         and don't generate writes into constant pool.
10622         (sra_modify_function_body): Call initialize_constant_pool_replacements.
10623
10624 2016-01-18  Ilya Enkovich  <enkovich.gnu@gmail.com>
10625
10626         * config/i386/i386.c (scalar_to_vector_candidate_p): Support
10627         andnot instruction.
10628         (scalar_chain::convert_op): Likewise.
10629         * config/i386/i386.md (*andndi3_doubleword): New.
10630
10631 2016-01-18  Richard Biener  <rguenther@suse.de>
10632
10633         PR tree-optimization/69170
10634         * tree-vect-slp.c (vect_build_slp_tree): Verify we are not
10635         building a vector from scalar results of a pattern stmt.
10636
10637 2016-01-18  Jakub Jelinek  <jakub@redhat.com>
10638
10639         * haifa-sched.c (autopref_multipass_init): Work around
10640         -Wmaybe-uninitialized warning.
10641
10642 2016-01-18  Thomas Preud'homme  <thomas.preudhomme@arm.com>
10643
10644         * config/arm/arm.c (thumb1_reorg): Check that the comparison is
10645         against the constant 0.
10646
10647 2016-01-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
10648
10649         PR tree-optimization/68799
10650         * gimple-ssa-strength-reduction.c (create_phi_basis): Directly
10651         look up phi candidates in the statement-candidate map.
10652         (phi_add_costs): Likewise.
10653         (record_phi_increments): Likewise.
10654         (phi_incr_cost): Likewise.
10655         (ncd_with_phi): Likewise.
10656         (all_phi_incrs_profitable): Likewise.
10657
10658 2016-01-17  Jakub Jelinek  <jakub@redhat.com>
10659
10660         * omp-low.c (mark_loops_in_oacc_kernels_region): Work around
10661         -Wmaybe-uninitialized warning.
10662
10663 2016-01-16  Sandra Loosemore  <sandra@codesourcery.com>
10664
10665         * doc/invoke.texi (Invoking GCC): Add new section to menu.
10666         (Option Summary): Update to reflect new section and moved options.
10667         (C++ Dialect Options): Move -fvtable-verify and related options.
10668         (Debugging Options): Move Sanitizer, Pointer Bounds Checker,
10669         and profiling-related options.
10670         (Optimization Options): Move profile generation options and
10671         -fstack-protector and related options.
10672         (Instrumentation Options): New section incorporating moved options.
10673         (Code Generation Options): Move -finstrument-functions and
10674         related options, -fstack-check, -fstack-limit*, and -fbounds-check.
10675
10676 2016-01-16  Tom de Vries  <tom@codesourcery.com>
10677
10678         * passes.def: Move pass_expand_omp_ssa out of pass_parallelize_loops.
10679
10680 2016-01-16  Tom de Vries  <tom@codesourcery.com>
10681
10682         * omp-low.c (expand_omp_atomic_fetch_op):  Release defs of update stmt.
10683
10684 2016-01-16  Richard Sandiford  <richard.sandiford@arm.com>
10685
10686         * hash-table.h (hash_table::empty): Turn into an inline wrapper
10687         that checks whether the table is already empty.  Rename the
10688         original implementation to...
10689         (hash_table::empty_slot): ...this new private function.
10690
10691 2016-01-15  David Malcolm  <dmalcolm@redhat.com>
10692
10693         PR diagnostic/68899
10694         * diagnostic-show-locus.c (layout::print_source_line): Move x
10695         offset of line until after call to
10696         get_line_width_without_trailing_whitespace.
10697
10698 2016-01-15  Jeff Law  <law@redhat.com>
10699
10700         PR tree-optimization/69270
10701         * tree-ssanames.c (ssa_name_has_boolean_range): Moved here from
10702         tree-ssa-dom.c.  Improve test for [0..1] ranve from VRP.
10703         * tree-ssa-dom.c (ssa_name_has_boolean_range): Remove.
10704         * tree-ssanames.h (ssa_name_has_boolean_range): Prototype.
10705         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
10706         ssa_name_has_boolean_range and constant_boolean_node.
10707
10708 2016-01-15  Vladimir Makarov  <vmakarov@redhat.com>
10709
10710         PR rtl-optimization/69030
10711         * lra-spills.c (remove_pseudos): Check nrefs and make the function
10712         returning bool.
10713         (spill_pseudos): Delete debug insn for dead pseudo.
10714         (lra_spill): Initiate spill_hard_reg and slots memory separately.
10715
10716 2016-01-15  Jiong Wang  <jiong.wang@arm.com>
10717
10718         * config/aarch64/aarch64-builtins.c (aarch64_types_unopus_qualifiers):
10719         New.
10720         (TYPES_UNOPUS): Likewise.
10721         * config/aarch64/aarch64-simd-builtins.def (lbtruncuv2sf): Correct
10722         builtin type, from UNOP to UNOPUS.
10723         (lbtruncuv4sf): Likewise.
10724         (lbtruncuv2df): Likewise.
10725         (lrounduv2sf): Likewise.
10726         (lrounduv4sf): Likewise.
10727         (lrounduv2df): Likewise.
10728         (lroundusf): Likewise.
10729         (lroundusf): Likewise.
10730         (lceiluv2sf): Likewise.
10731         (lceiluv4sf): Likewise.
10732         (lceiluv2df): Likewise.
10733         (lceilusf): Likewise.
10734         (lceiludf): Likewise.
10735         (lflooruv2sf): Likewise.
10736         (lflooruv4sf): Likewise.
10737         (lflooruv2df): Likewise.
10738         (lfloorusf): Likewise.
10739         (lfloorudf): Likewise.
10740         (lfrintnuv2sf): Likewise.
10741         (lfrintnuv4sf): Likewise.
10742         (lfrintnuv2df): Likewise.
10743         (lfrintnusf): Likewise.
10744         (lfrintnudf): Likewise.
10745         * config/aarch64/arm_neon.h (vcvt_u32_f32): Remove unncessary type
10746         conversion.
10747         (vcvtq_u32_f32): Likewise.
10748         (vcvtq_u64_f64): Likewise.
10749         (vcvta_u32_f32): Likewise.
10750         (vcvtaq_u32_f32): Likewise.
10751         (vcvtaq_u64_f64): Likewise.
10752         (vcvtm_u32_f32): Likewise.
10753         (vcvtmq_u32_f32): Likewise.
10754         (vcvtmq_u64_f64): Likewise.
10755         (vcvtn_u32_f32): Likwise.
10756         (vcvtnq_u32_f32): Likewise.
10757         (vcvtnq_u64_f64): Likewise.
10758         (vcvtp_u32_f32): Likewise.
10759         (vcvtpq_u32_f32): Likewise.
10760         (vcvtpq_u64_f64): Likewise.
10761         (vcvtmd_u64_f64): Likewise.
10762         (vcvtms_u32_f32): Likewise.
10763         (vcvtad_u64_f64): Likewise.
10764         (vcvtas_u32_f32): Likewise.
10765         (vcvtnd_u64_f64): Likewise.
10766         (vcvtns_u32_f32): Likewise.
10767         (vcvtpd_u64_f64): Likewise.
10768         (vcvtps_u32_f32): Likewise.
10769
10770 2016-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
10771
10772         * config/aarch64/aarch64.c (aarch64_if_then_else_costs): Handle
10773         CSEL of zero_extended registers.
10774
10775 2016-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
10776
10777         * config/aarch64/aarch64.c (aarch64_rtx_costs, COMPARE case):
10778         Handle COMPARE of ZERO_EXTRACT against zero form of TST-immediate.
10779
10780 2016-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
10781
10782         * config/aarch64/aarch64.c (aarch64_process_one_target_attr): Return
10783         false when argument string is not found in the attributes table
10784         at all.
10785
10786 2016-01-15  David Edelsohn  <dje.gcc@gmail.com>
10787
10788         PR target/68609
10789         * config/rs6000/rs6000.c (rs6000_emit_msub): Delete.
10790         (rs6000_emit_swsqrt): Convert to Goldschmidt's Algorithm
10791         * config/rs6000/rs6000.md (sqrt<mode>2): Limit swsqrt to high
10792         precision estimate.
10793
10794 2016-01-15  Richard Biener  <rguenther@suse.de>
10795
10796         PR tree-optimization/66856
10797         * tree-vect-loop.c (vect_transform_loop): Free SLP instances here.
10798         * tree-vect-slp.c (vect_free_slp_tree): Decrement stmt reference count.
10799         (vect_create_new_slp_node): Increment stmt reference count.
10800         (vect_get_and_check_slp_defs): Make sure stmts are nor already in
10801         an SLP tree before swapping operands.
10802         (vect_build_slp_tree): Likewise.
10803         (destroy_bb_vec_info): Free stmt info after SLP instances.
10804         * tree-vect-stmts.c (new_stmt_vec_info): Initialize reference count.
10805         * tree-vectorizer.h (struct _stmt_vec_info): Add num_slp_uses field.
10806         (STMT_VINFO_NUM_SLP_USES): New macro.
10807
10808 2016-01-15  Richard Biener  <rguenther@suse.de>
10809
10810         PR debug/69137
10811         * dwarf2out.c (add_linkage_name_raw): New function split out from ...
10812         (add_linkage_name): ... here.
10813         (gen_typedef_die): Use add_linkage_name_raw instead of
10814         add_linkage_attr to delay DECL_ASSEMBLER_NAME computation
10815         if necessary.
10816
10817 2016-01-15  Cesar Philippidis  <cesar@codesourcery.com>
10818
10819         * gimplify.c (oacc_default_clause): Decode reference and pointer
10820         types for both kernels and parallel regions.
10821
10822 2016-01-15  Richard Sandiford  <richard.sandiford@arm.com>
10823
10824         PR middle-end/69246
10825         * calls.c (emit_call_1): Force n_popped to zero for sibcalls.
10826
10827 2016-01-15  Ilya Enkovich  <enkovich.gnu@gmail.com>
10828
10829         * config/i386/i386.c (scalar_chain::compute_convert_gain): Fix typo.
10830         (convert_scalars_to_vector): Likewise.
10831
10832 2016-01-15  Jonathan Wakely  <jwakely@redhat.com>
10833
10834         * doc/extend.texi (Type Traits): Fix grammar.
10835
10836 2016-01-15  Martin Jambor  <mjambor@suse.cz>
10837
10838         * tree-inline.c (remap_decl): Use existing dclarations if
10839         remapping a type and prevent_decl_creation_for_types.
10840         (replace_locals_stmt): Do an initial remapping of non-VLA typed
10841         decls first.  Do real remapping with
10842         prevent_decl_creation_for_types set.
10843         * tree-inline.h (copy_body_data): New field
10844         prevent_decl_creation_for_types, moved remap_var_for_cilk to avoid
10845         padding.
10846
10847 2016-01-15  Dominik Vogt  <vogt@linux.vnet.ibm.com>
10848
10849         * config/s390/s390.opt (mmvcle): More verbose help text.
10850
10851 2016-01-15  Dominik Vogt  <vogt@linux.vnet.ibm.com>
10852
10853         * config/s390/s390.opt: Add period to -mzvector option text.
10854
10855 2016-01-15  Richard Biener  <rguenther@suse.de>
10856
10857         PR tree-optimization/68961
10858         * tree-vect-slp.c (vect_analyze_slp_cost_1): Consider cost
10859         of invariants in stores again.
10860
10861 2016-01-15  Sebastian Huber  <sebastian.huber@embedded-brains.de>
10862
10863         * config/arm/t-rtems: Add cortex-m7/fpv5-d16 multilib.
10864
10865 2016-01-15  Ilya Enkovich  <enkovich.gnu@gmail.com>
10866
10867         * config/i386/i386.c (ix86_expand_branch): Don't split
10868         DI mode xor instruction to SI mode.
10869
10870 2016-01-15  Jan Hubicka  <hubicka@ucw.cz>
10871
10872         PR ipa/68148
10873         * ipa-icf.c (sem_function::merge): Virtual functions may become
10874         reachable even if they address is not taken and there are no
10875         idrect calls.
10876
10877 2016-01-15  Jan Hubicka  <hubicka@ucw.cz>
10878
10879         * lto-streamer-out.c (subtract_estimated_size): New function.
10880         (get_symbol_initial_value): Use it.
10881
10882 2016-01-15  Christian Bruel  <christian.bruel@st.com>
10883
10884         PR target/65837
10885         * config/arm/arm-builtins.c (ARM_BUILTIN_CRYPTO_BASE): New enum tag.
10886         (arm_init_neon_builtins_internal): Rename arm_init_neon_builtins,
10887         (arm_init_crypto_builtins_internal): Rename arm_init_crypto_builtins.
10888         use add_builtin_function_ext_scope instead of add_builtin_function.
10889         (neon_set_p, neon_crypto_set_p): Remove.
10890         (arm_init_builtins): Always call arm_init_neon_builtins and
10891         arm_init_crypto_builtins.
10892         (arm_expand_builtin): Check that builtins are allowed for the arch.
10893         * config/arm/arm-protos.h (arm_init_neon_builtins): Remove prototype.
10894         * config/arm/arm.c (arm_valid_target_attribute_tree): Remove
10895         arm_init_neon_builtins call.
10896
10897 2016-01-15  Richard Biener  <rguenther@suse.de>
10898
10899         PR tree-optimization/69117
10900         * tree-ssa-sccvn.h (struct vn_ssa_aux): Add info member.
10901         * tree-ssa-sccvn.c (set_ssa_val_to): Save and adjust SSA name info
10902         of the leader conservatively.
10903         (free_scc_vn): Restore original SSA name infos.
10904
10905 2016-01-14  Jeff Law  <law@redhat.com>
10906
10907         PR tree-optimization/69270
10908         * tree-ssa-dom.c (ssa_name_has_boolean_range): If the type has a
10909         single bit of precision, verify it's also unsigned.
10910         (record_edge_info): Use constant_boolean_node rather than fold_convert
10911         to convert boolean_true/boolean_false to the right type.
10912
10913 2016-01-14  Richard Henderson  <rth@redhat.com>
10914
10915         PR rtl-opt/69014
10916         * loop-doloop.c (record_reg_sets): New.
10917         (doloop_optimize): Reject the transform if the sequence
10918         clobbers registers live at the end of the loop block.
10919         (doloop_optimize_loops): Enable df_live if needed.
10920
10921 2016-01-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
10922
10923         * config/rs6000/rs6000-builtin.def: Revert 2016-01-13 change.
10924         * gcc/config/rs6000/rs6000.c: Likewise.
10925         * gcc/config/rs6000/rs6000.h: Likewise.
10926         * gcc/config/rs6000/rs6000.md: Likewise.
10927         * gcc/doc/extend.texi: Likewsie.
10928
10929 2016-01-14  Jeff Law  <law@redhat.com>
10930
10931         * tree-ssa-dom.c (ssa_name_has_boolean_range): Fix comment
10932         typo.
10933
10934 2016-01-14  Richard Henderson  <rth@redhat.com>
10935
10936         PR c/69272
10937         PR tree-opt/68964
10938         * trans-mem.c (tm_log_emit_stmt): Fix unit size to bit size.
10939         * tree.c (build_tm_vector_builtins): Use builtin_decl_explicit_p
10940         instead of builtin_decl_declared_p to test for declaration.
10941
10942 2016-01-14  Nicklas Bo Jensen  <nbjensen@gmail.com>
10943
10944         * doc/loop.texi (Loop Analysis and Representation): Document
10945         loop_depth function.
10946
10947 2016-01-14  Tom de Vries  <tom@codesourcery.com>
10948
10949         PR tree-optimization/68773
10950         * omp-low.c (expand_omp_target): Don't set force_output.
10951         * varpool.c (varpool_node::get_create): Same.
10952         * lto-cgraph.c (input_offload_tables): Mark entries in offload_vars and
10953         offload_funcs with force_output.
10954
10955 2016-01-14  Jakub Jelinek  <jakub@redhat.com>
10956
10957         PR debug/69244
10958         * lra-eliminations.c (move_plus_up): Don't change anything if either
10959         the outer or inner subreg mode is not MODE_INT.
10960         * dwarf2out.c (mem_loc_descriptor): For SUBREG, if outer mode is
10961         integral <= DWARF2_ADDR_SIZE, convert to untyped afterwards.
10962
10963 2016-01-14  Alan Lawrence  <alan.lawrence@arm.com>
10964
10965         * doc/md.texi (reduc_smin_@var{m}, reduc_smax_@var{m},
10966         reduc_umin_@var{m}, reduc_umax_@var{m}, reduc_splus_@var{m},
10967         reduc_uplus_@var{m}): Remove.
10968         * expr.c (expand_expr_real_2): Remove expansion path for
10969         reduc_[us](min|max|plus) optabs.
10970         * optabs-tree.c (scalar_reduc_to_vector): Remove.
10971         * optabs-tree.h (scalar_reduc_to_vector): Remove.
10972         * optabs.def (reduc_smax_optab, reduc_smin_optab, reduc_splus_optab,
10973         reduc_umax_optab, reduc_umin_optab, reduc_uplus_optab): Remove.
10974         * tree-vect-loop.c (vectorizable_reduction): Remove test for
10975         reduc_[us](min|max|plus) optabs.
10976
10977 2016-01-14  Alan Lawrence  <alan.lawrence@arm.com>
10978
10979         * config/mips/mips-ps-3d.md (reduc_splus_v2sf): Remove.
10980         (reduc_plus_scal_v2sf): New.
10981         (reduc_smax_v2sf): Rename to...
10982         (reduc_smax_scal_v2sf): ...here, make result SFmode, add vec_extract.
10983         (reduc_smin_v2sf): Rename to...
10984         (reduc_smin_scal_v2sf): ...here, make result SFmode, add vec_extract.
10985
10986 2016-01-14  Jan Hubicka  <hubicka@ucw.cz>
10987
10988         * alias.c (compare_base_symbol_refs): New function.
10989         (rtx_equal_for_memref_p, base_alias_check, memrefs_conflict_p): Use
10990         it.
10991
10992 2016-01-14  Jakub Jelinek  <jakub@redhat.com>
10993
10994         PR middle-end/68146
10995         PR tree-optimization/69155
10996         * tree-complex.c: Include cfganal.h.
10997         (phis_to_revisit): New variable.
10998         (extract_component): Add phiarg_p argument.  Assert that returned
10999         SSA_NAME has non-NULL SSA_NAME_DEF_STMT unless phiarg_p is true.
11000         (update_phi_components): Partly rewrite to use loop over real/imag
11001         components instead of code duplication.  If extract_component returns
11002         SSA_NAME with NULL SSA_NAME_DEF_STMT, store SSA_NAME_VAR or
11003         create_tmp_reg into the PHI node instead, and mention the phi triplet
11004         in phis_to_revisit.
11005         (tree_lower_complex): Walk bbs in rpo order.  Adjust phis recorded
11006         in phis_to_revisit at the end.
11007
11008 2016-01-14  Richard Biener  <rguenther@suse.de>
11009
11010         PR tree-optimization/68060
11011         * tree-vect-loop.c (vect_is_simple_reduction): Check the
11012         outer loop reduction is only used in the inner loop before
11013         detecting a double reduction.
11014
11015 2016-01-14  Jakub Jelinek  <jakub@redhat.com>
11016
11017         PR target/68269
11018         * combine.c (expand_field_assignment): Punt if compute_mode is
11019         unsupported scalar mode.
11020
11021 2016-01-14  Richard Biener  <rguenther@suse.de>
11022
11023         PR tree-optimization/66856
11024         * tree-vect-slp.c (vect_build_slp_tree): Refactor to build
11025         SLP node only if it built successfully.
11026         (vect_analyze_slp_instance): Adjust.
11027
11028 2016-01-14  Jeff Law  <law@redhat.com>
11029
11030         PR tree-optimization/69270
11031         * tree-ssa-dom.c (ssa_name_has_boolean_range): New function.
11032         (record_edge_info): Use it.  Convert boolean_{true,false}_node
11033         to the type of op0.
11034
11035 2016-01-13  Jan Hubicka  <hubicka@ucw.cz>
11036
11037         PR ipa/66487
11038         * ipa-polymorphic-call.c (inlined_polymorphic_ctor_dtor_block_p):
11039         use block_ultimate_origin
11040         (noncall-stmt_may_be_vtbl_ptr_store): Likewise.
11041
11042 2016-01-13  Sandra Loosemore  <sandra@codesourcery.com>
11043
11044         * doc/invoke.texi (Submodel Options): Rename section to
11045         "Machine-Dependent Options" to better reflect its content.
11046         Rewrite introductory text to remove archaic CPU names.
11047         Update references.
11048
11049 2016-01-13  Sandra Loosemore  <sandra@codesourcery.com>
11050
11051         * doc/invoke.texi (Code Gen Options): Move section up in file,
11052         before target-specific options.  Update menu and option summary
11053         to reflect the new section ordering.
11054
11055 2016-01-13  Jonathan Wakely  <jwakely@redhat.com>
11056
11057         * doc/invoke.texi (C Dialect Options): Adjust -std default for C++.
11058         (C++ Dialect Options): Add cross-reference to -std option.
11059         * doc/standards.texi (C++ Language): Document C++14 support.
11060
11061 2016-01-13  Michael Meissner  <meissner@linux.vnet.ibm.com>
11062
11063         * config/rs6000/rs6000-builtin.def (BU_FLOAT128_2): Add support
11064         for pack/unpack functions for __ibm128.
11065         (PACK_IF): Likewise.
11066         (UNPACK_IF): Likewise.
11067
11068         * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Add
11069         support for __ibm128 pack/unpack functions.
11070         (rs6000_invalid_builtin): Likewise.
11071         (rs6000_init_builtins): Likewise.
11072         (rs6000_opt_masks): Likewise.
11073
11074         * config/rs6000/rs6000.h (MASK_FLOAT128): Add short name.
11075         (RS6000_BTM_FLOAT128): Add support for __ibm128 pack/unpack
11076         functions
11077         (RS6000_BTM_COMMON): Likewise.
11078
11079         * config/rs6000/rs6000.md (f128_vsx): New mode attribute.
11080         (unpack<mode>): Use FMOVE128_FPR iterator instead of FMOVE128, to
11081         disallow __builtin_{pack,unpack}_longdouble if long double is IEEE
11082         128-bit floating point.  Add support for the double values to be
11083         in Altivec registers for TF/IF packing and unpacking, but restrict
11084         TD packing sub-fields to be FPR registers.  Don't allow overlapped
11085         register support for packing.  Allow pack inputs to be memory
11086         locations.  Don't build generator functions for unpack<mode>_dm
11087         and unpack<mode>_nodm.
11088         (unpack<mode>_dm): Likewise.
11089         (unpack<mode>_nodm): Likewise.
11090         (pack<mode>): Likewise.
11091
11092         * config/rs6000/rs6000-builtin.def (__builtin_pack_ibm128): Add
11093         built-in functions to pack/unpack explicit __ibm128 values.
11094         (__builtin_unpack_ibm128): Likewise.
11095
11096         * doc/extend.texi (PowerPC Built-in Functions): Document
11097         __builtin_pack_ibm128 and __builtin_unpack_ibm128.
11098
11099 2016-01-13  Bernd Schmidt  <bschmidt@redhat.com>
11100
11101         PR c/66208
11102         * c-common.c (check_function_nonnull): Remove unnecessary declaration.
11103         Add new arg loc and pass it down as context.
11104         (check_nonnull_arg): Don't mark ctx arg as unused. Use it as a pointer
11105         to the location to use for the warning.
11106         (check_function_arguments): New arg loc.  All callers changed.  Pass
11107         it to check_function_nonnull.
11108         * c-common.h (check_function_arguments): Adjust declaration.
11109
11110 2016-01-13  Jakub Jelinek  <jakub@redhat.com>
11111
11112         PR tree-optimization/69156
11113         * gimple.c (validate_type): Removed.
11114         (gimple_builtin_call_types_compatible_p): Use
11115         useless_type_conversion_p instead of validate_type.
11116         * value-prof.c (gimple_stringop_fixed_value): Fold
11117         icall_size to correct type.
11118
11119 2016-01-13  Jonathan Wakely  <jwakely@redhat.com>
11120
11121         * doc/extend.texi (__atomic Builtins): Clarify compare_exchange
11122         effects.
11123
11124 2016-01-13  Richard Henderson  <rth@redhat.com>
11125
11126         PR tree-opt/68964
11127         * target.def (builtin_tm_load, builtin_tm_store): Remove.
11128         * config/i386/i386.c (ix86_builtin_tm_load): Remove.
11129         (ix86_builtin_tm_store): Remove.
11130         (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
11131         (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
11132         * doc/tm.texi.in (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
11133         (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
11134         * doc/tm.texi: Rebuild.
11135
11136         * gtm-builtins.def (BUILT_IN_TM_MEMCPY_RNWT): New.
11137         (BUILT_IN_TM_MEMCPY_RTWN): New.
11138         * trans-mem.c (tm_log_emit_stmt): Rearrange code for better
11139         fallback from vector to integer helpers.
11140         (build_tm_load): Handle vector types directly, instead of
11141         via target hook.
11142         (build_tm_store): Likewise.
11143         (expand_assign_tm): Prepare for register types not handled by
11144         the above.  Copy them to memory and use memcpy.
11145         * tree.c (tm_define_builtin): New.
11146         (find_tm_vector_type): New.
11147         (build_tm_vector_builtins): New.
11148         (build_common_builtin_nodes): Call it.
11149
11150 2016-01-13  Uros Bizjak  <ubizjak@gmail.com>
11151
11152         * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Return -1 for
11153         TARGET_SSE_MATH without TARGET_SSE2.  Rewrite.
11154
11155 2016-01-13  Tom de Vries  <tom@codesourcery.com>
11156
11157         PR tree-optimization/69169
11158         * tree-ssa-structalias.c (create_variable_info_for_1): Add and handle
11159         handled_struct_type param.
11160         (create_variable_info_for, intra_create_variable_infos): Call
11161         create_variable_info_for_1 with extra arg.
11162
11163 2016-01-13  Yvan Roux  <yvan.roux@linaro.org>
11164
11165         * config/arm/arm-arches.def: Remove spurious whitespace in "armv8.1-a"
11166         and "armv8.1-a+crc" entries.
11167
11168 2016-01-13  Alexander Fomin  <alexander.fomin@intel.com>
11169
11170         PR target/69228
11171         * config/i386/sse.md (define_expand "avx512pf_gatherpf<mode>sf"):
11172         Change first operand predicate from register_or_constm1_operand
11173         to register_operand.
11174         (define_expand "avx512pf_gatherpf<mode>df"): Likewise.
11175         (define_expand "avx512pf_scatterpf<mode>sf"): Likewise.
11176         (define_expand "avx512pf_scatterpf<mode>df"): Likewise.
11177         (define_insn "*avx512pf_gatherpf<mode>sf"): Remove.
11178         (define_insn "*avx512pf_gatherpf<mode>df"): Likewise.
11179         (define_insn "*avx512pf_scatterpf<mode>sf"): Likewise.
11180         (define_insn "*avx512pf_scatterpf<mode>df"): Likewise.
11181         * config/i386/i386.c (ix86_expand_builtin): Remove first operand
11182         comparison with constm1_rtx from vec_prefetch_gen part.
11183
11184 2016-01-13  Richard Biener  <rguenther@suse.de>
11185
11186         PR tree-optimization/69013
11187         * tree-ssa-uninit.c (prune_uninit_phi_opnds_in_unrealizable_paths):
11188         Exchange assert for a test.
11189
11190 2016-01-13  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11191
11192         PR target/69247
11193         * config/s390/s390.md (bswaphi splitter): Use simplify_gen_subreg.
11194
11195 2016-01-13  Richard Biener  <rguenther@suse.de>
11196
11197         PR tree-optimization/69242
11198         * tree-ssa-sccvn.c (visit_reference_op_load): Replace bogus
11199         assert with a check.
11200
11201 2016-01-13  Richard Biener  <rguenther@suse.de>
11202
11203         PR tree-optimization/69186
11204         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
11205         Properly guard vect_update_misalignment_for_peel call.
11206
11207 2016-01-12  Jeff Law  <law@redhat.com>
11208
11209         PR tree-optimization/pr67755
11210         * tree-ssa-threadupdate.c (struct ssa_local_info_t): Add new field
11211         "need_profile_correction".
11212         (thread_block_1): Initialize new field to false by default.  If we
11213         have multiple thread paths through a common joiner to different
11214         final targets, then set new field to true.
11215         (compute_path_counts): Only do count adjustment when it's really
11216         needed.
11217
11218 2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>
11219
11220         * doc/invoke.texi (Spec Files): Move section down in file, past
11221         all command-line option descriptions.
11222
11223 2016-01-12  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
11224
11225         PR middle-end/54809
11226         * doc/gty.texi: Remove documentation of mark_hook.
11227         * gengtype.c (struct write_types_data): Remove code to support
11228         mark_hook attribute.
11229         (walk_type): Likewise.
11230         (write_func_for_structure): Likewise.
11231
11232 2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>
11233
11234         * doc/invoke.texi (Option Summary) Move -no-canonical-prefixes to
11235         Directory Options, and -specs= to Overall Options.
11236         (Overall Options): Adjust similarly.  Reorder to group related
11237         options together.  Make -specs= cross-reference the spec file details.
11238         (Directory Options): Adjust similarly.
11239
11240 2016-01-12  Jeff Law  <law@redhat.com>
11241
11242         * tree-ssa-threadupdate.c: Various whitespace and typo fixes.
11243
11244 2016-01-12  Olivier Hainque  <hainque@adacore.com>
11245
11246         * gcc.c (spec_undefvar_allowed): New global.
11247         (process_command): Set to true when running for --version or --help,
11248         alone or together.
11249         (getenv_spec_function): When the variable is not defined, use the
11250         variable name as the variable value if we're allowed not to issue
11251         a fatal error.
11252
11253 2016-01-12  Bin Cheng  <bin.cheng@arm.com>
11254
11255         PR tree-optimization/68911
11256         * tree-vrp.c (adjust_range_with_scev): Check overflow in range
11257         information computed for expression "init + nit * step".
11258
11259 2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>
11260
11261         * doc/invoke.texi (Invoking GCC): Copy-edit.  Incorporate information
11262         about name of GCC executable.  Remove deleted node from menu.
11263         (Directory Options) <-B>: Remove cross-reference to deleted node.
11264         (Target Options): Delete section.
11265
11266 2016-01-12  Christian Bruel  <christian.bruel@st.com>
11267
11268         PR target/69180
11269         * config/arm/arm-c.c (arm_pragma_target_parse): Set NODE_CONDITIONAL
11270         for __ARM_NEON_FP, __ARM_FP, _ARM_FEATURE_LDREX.
11271
11272 2016-01-12  Jakub Jelinek  <jakub@redhat.com>
11273
11274         PR target/69198
11275         * config/i386/i386.c (ix86_expand_special_args_builtin): Ensure
11276         aligned_mem is properly set for AVX512-VL floating point masked
11277         stores.
11278
11279         PR target/69175
11280         * ifcvt.c (cond_exec_process_if_block): When removing the last
11281         insn from then_bb, remove also any possible barriers that follow it.
11282
11283 2016-01-12  H.J. Lu  <hongjiu.lu@intel.com>
11284
11285         PR target/68456
11286         PR target/69226
11287         * config/i386/iamcu.h (SIZE_TYPE): New macro.
11288         (PTRDIFF_TYPE): Likewise.
11289         (WCHAR_TYPE): Likewise.
11290         (WCHAR_TYPE_SIZE): Likewise.
11291         (STDINT_LONG32): Likewise.
11292
11293 2016-01-12  Richard Biener  <rguenther@suse.de>
11294
11295         PR tree-optimization/69053
11296         * tree-vect-loop.c (get_initial_def_for_reduction): Properly
11297         convert initial value for cond reductions.
11298
11299 2016-01-12  Richard Biener  <rguenther@suse.de>
11300
11301         PR tree-optimization/69007
11302         * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Move
11303         widen_sum after dot_prod and sad.
11304
11305 2016-01-12  Richard Biener  <rguenther@suse.de>
11306
11307         PR tree-optimization/69168
11308         * tree-vect-loop.c (vect_analyze_loop_2): Reset both main and
11309         pattern stmt SLP type.
11310         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Patterns may
11311         end up unused so cope with that case.
11312
11313 2016-01-12  Richard Biener  <rguenther@suse.de>
11314
11315         PR tree-optimization/69157
11316         * tree-vect-stmts.c (vectorizable_mask_load_store): Check
11317         stmts def type only during analyze phase.
11318         (vectorizable_call): Likewise.
11319         (vectorizable_simd_clone_call): Likewise.
11320         (vectorizable_conversion): Likewise.
11321         (vectorizable_assignment): Likewise.
11322         (vectorizable_shift): Likewise.
11323         (vectorizable_operation): Likewise.
11324         (vectorizable_store): Likewise.
11325         (vectorizable_load): Likewise.
11326
11327 2016-01-12  Richard Biener  <rguenther@suse.de>
11328
11329         PR tree-optimization/69174
11330         * tree-vect-stmts.c (vect_mark_relevant): Remove excessive vertical
11331         space.
11332         (vectorizable_load): Properly compute the number of loads needed
11333         for permuted strided SLP loads and do not spuriously assign
11334         to SLP_TREE_VEC_STMTS.
11335
11336 2016-01-12  Andris Pavenis  <andris.pavenis@iki.fi>
11337
11338         * config/i386/djgpp.h (PREFERRED_DEBUGGING_TYPE): Define to DWARF2
11339         (TARGET_ASM_OUTPUT_IDENT): Define to default_asm_output_ident_directive
11340         (MD_EXEC_PREFIX): Remove.
11341         (MD_STARTFILE_PREFIX) Removee.
11342         (FILE_NAME_ABSOLUTE_P): Remove.
11343         (CPP_SPEC): Do not read macros from sys/version.h.
11344         (LINK_COMMAND_SPEC): Remove.
11345         (LOCAL_INCLUDE_DIR): Remove.
11346         (TARGET_ASM_NAMED_SECTION): Define to i386_djgpp_asm_named_section
11347         (TARGET_OS_CPP_BUILTINS): Add DJGPP (non ISO only), __DJGPP, __DJGPP__, unix.
11348         (POST_LINK_SPEC): Define to invoke stubify after linker
11349         (LIBSTDCXX): Remove define
11350         (DBX_REGISTER_NUMBER): Define to svr4_dbx_register_map.
11351         (DEFAULT_PCC_STRUCT_RETURN): Define to 1.
11352         (SUBTARGET_OVERRIDE_OPTIONS): Remove warning about -mbnu2210.
11353         (SUBTARGET_OVERRIDE_OPTIONS): Ignore -fPIC and generate message.
11354         (SUBTARGET_OVERRIDE_OPTIONS): Default to DWARF2 debugging info.
11355         (IX86_MAYBE_NO_LIBGCC_TFMODE): Remove.
11356         (i386_djgpp_asm_named_section): Add propotype of new procedure
11357
11358         * config/i386/xm-djgpp.h (NATIVE_SYSTEM_HEADER_DIR): Define.
11359         (MD_EXEC_PREFIX): Define (moved from config/i386/djgpp.h).
11360         (STANDARD_STARTFILE_PREFIX_1): Define (moved from MD_STARTFILE_PREFIX
11361         in config/i386/djgpp.h).
11362         (STANDARD_STARTFILE_PREFIX_2): Define identical to
11363         STANDARD_STARTFILE_PREFIX_1.
11364         (LOCAL_INCLUDE_DIR): Define (moved from config/i386/djgpp.h).
11365         (GCC_DRIVER_HOST_INITIALIZATION): Fix reporting fatal
11366         installation errors.
11367         (MAX_OFILE_ALIGNMENT): Define to 128.
11368         (HAVE_FTW_H): Undefine as DJGPP do not have nftw, but have ftw.h.
11369
11370         * config/i386/djgpp.c: New file. Add implementation of
11371         i386_djgpp_asm_named_section.
11372
11373         * config/i386/djgpp.opt: Remove obsolete option -mbnu210.
11374
11375         * config/i386/t-djgpp: New file. Add djgpp.o to EXTRA_OBJS.
11376         Add rule for building djgpp.o.
11377
11378 2016-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
11379
11380         * config/rs6000/rs6000.c (v2df_reduction_p): New function.
11381         (rtx_is_swappable_p): Reductions are swappable.
11382         (insn_is_swappable_p): V2DF reductions are swappable.
11383
11384 2016-01-11  John David Anglin  <danglin@gcc.gnu.org>
11385
11386         * config/pa/pa.c (pa_emit_move_sequence): Handle floating point
11387         reloads for other unsupported memory operands.
11388
11389 2016-01-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
11390             Jim Wilson  <jim.wilson@linaro.org>
11391
11392         PR target/69194
11393         * config/arm/arm-builtins.c (arm_expand_neon_args): Call
11394         copy_to_mode_reg instead of force_reg.
11395
11396 2016-01-11  H.J. Lu  <hongjiu.lu@intel.com>
11397
11398         PR target/69225
11399         * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Set to 2 only if
11400         TARGET_80387 is true.
11401
11402 2016-01-11  Jakub Jelinek  <jakub@redhat.com>
11403
11404         PR target/69071
11405         * lra-eliminations.c (move_plus_up): Only move plus up
11406         if subreg of the constant can be simplified into constant
11407         and use the simplified subreg of the constant instead of
11408         the original constant.
11409
11410         * fold-const.c (fold_convertible_p): Don't return true
11411         for conversion of VECTOR_TYPE to same sized integral type.
11412         (fold_convert_loc): Fix up formatting.  Fold conversion of
11413         VECTOR_TYPE to same sized integral type using VIEW_CONVERT_EXPR
11414         instead of NOP_EXPR.
11415
11416         PR tree-optimization/69214
11417         * tree-vrp.c (simplify_cond_using_ranges): Don't propagate
11418         innerop into a comparison if SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
11419         Formatting fix.
11420
11421         PR tree-optimization/69207
11422         * tree-vect-slp.c (vect_get_constant_vectors): For
11423         VECTOR_BOOLEAN_TYPE_P, assert op has integral type instead of
11424         fold_convertible_p to vector_type's element type, and always
11425         use VCE for non-VECTOR_BOOLEAN_TYPE_P.
11426
11427 2016-01-11  Richard Biener  <rguenther@suse.de>
11428
11429         PR tree-optimization/69173
11430         * tree-vect-loop.c (vect_fixup_scalar_cycles_with_patterns): Only
11431         fixup the cycle if all stmts are in a pattern.
11432
11433 2016-01-11  Uros Bizjak  <ubizjak@gmail.com>
11434
11435         PR middle-end/68999
11436         * alias.c (base_alias_check): Move check for addresses with
11437         alignment ANDs before the call for compare_base_decls.
11438         (memrefs_conflict_p): Return -1 for different decls
11439         that went through alignment adjustments.
11440
11441 2016-01-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11442
11443         PR rtl-optimization/68796
11444         * config/aarch64/aarch64.md (*and<mode>_compare0): New pattern.
11445         * config/aarch64/aarch64.c (aarch64_select_cc_mode): Handle HImode
11446         and QImode comparisons against zero with CC_NZmode.
11447         * config/aarch64/iterators.md (short_mask): New mode_attr.
11448
11449 2016-01-11  H.J. Lu  <hongjiu.lu@intel.com>
11450
11451         * config/i386/sse.md (<avx512>_load<mode>_mask): Remove snprintf.
11452         (<avx512>_store<mode>_mask): Likewise.
11453
11454 2016-01-11  Bernd Schmidt  <bschmidt@redhat.com>
11455             Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11456
11457         PR rtl-optimization/68841
11458         * ifcvt.c (struct noce_if_info): Add orig_x field.
11459         (bbs_ok_for_cmove_arith): Add to_rename parameter.
11460         Don't record conflicts on to_rename if it's present.
11461         Allow memory destinations in sets.
11462         (noce_try_cmove_arith): Call bbs_ok_for_cmove_arith even on simple
11463         blocks, passing orig_x to the checks.
11464         (noce_process_if_block): Set if_info->orig_x appropriately.
11465
11466 2016-01-11  Tom de Vries  <tom@codesourcery.com>
11467
11468         PR tree-optimization/69069
11469         * tree-parloops.c (create_parallel_loop): Add missing phi args.
11470
11471 2016-01-11  Yuri Rumyantsev  <ysrumyan@gmail.com>
11472
11473         PR rtl-optimization/68920
11474         * config/i386/i386.c (ix86_option_override_internal): Restrict number
11475         of conditional moves for  RTL if-conversion to 1 for
11476         TARGET_ONE_IF_CONV_INSN.
11477         * config/i386/i386.h (TARGET_ONE_IF_CONV_INSN): New macros.
11478         * config/i386/x86-tune.def (X86_TUNE_ONE_IF_CONV_INSN): New macros.
11479         * params.def (PARAM_MAX_RTL_IF_CONVERSION_INSNS) : Introduce new
11480         parameter to restirct number of conditional moves for
11481         RTL if-conversion.
11482         * doc/invoke.texi (max-rtl-if-conversion-insns): Document it.
11483         * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Limit number of
11484         conditionl moves.
11485
11486 2016-01-11  Alexandre Oliva  <aoliva@redhat.com>
11487
11488         PR bootstrap/69123
11489         * var-tracking.c (drop_overlapping_mem_locs): Operate on all
11490         onepart vars.  Fix typo in comment.  Fix reversed condition in
11491         unshare test.
11492         (dataflow_set_remove_mem_locs): Operate on all onepart vars.
11493
11494         PR bootstrap/69123
11495         * var-tracking.c (dump_onepart_variable_differences): New.
11496         (dataflow_set_different): If a detailed dump is requested,
11497         delay early returns and dump differences between onepart
11498         variables present before and after, and added variables.
11499
11500 2016-01-11  Ilya Enkovich  <enkovich.gnu@gmail.com>
11501
11502         PR target/69010
11503         * expr.c (expand_expr_real_1): For boolean vector constants
11504         with a scalar mode use const_scalar_mask_from_tree.
11505         (const_scalar_mask_from_tree): New.
11506         * optabs.c (expand_vec_cond_mask_expr): Use mask mode
11507         assigned to a mask type to handle constants.
11508
11509 2016-01-11  Martin Jambor  <mjambor@suse.cz>
11510
11511         PR ipa/69044
11512         * ipa-cp.c (estimate_local_effects): Do not clone for removal of
11513         useless parameters if we cannot change function signature.
11514
11515 2016-01-11  Martin Jambor  <mjambor@suse.cz>
11516
11517         PR ipa/66616
11518         * cgraphclones.c (duplicate_thunk_for_node): Copy can_change_signature
11519         flag.
11520
11521 2016-01-11  Tom de Vries  <tom@codesourcery.com>
11522
11523         PR tree-optimization/69109
11524         * tree-parloops.c (try_transform_to_exit_first_loop_alt): Don't allow
11525         latch with phi.
11526
11527 2016-01-11  Tom de Vries  <tom@codesourcery.com>
11528
11529         PR tree-optimization/69108
11530         * tree-parloops.c (gather_scalar_reductions): Handle case that outer phi
11531         res is not used in a phi.
11532
11533 2016-01-11  Yury Gribov  <y.gribov@samsung.com>
11534
11535         PR 67425
11536         * common.opt (frandom-seed): Fix parameter name.
11537         * doc/invoke.texi (frandom-seed): Ditto and describe parameter.
11538
11539 2016-01-11  Tom de Vries  <tom@codesourcery.com>
11540
11541         PR tree-optimization/69058
11542         * tree-parloops.c (pass_parallelize_loops::execute): Return 0 if libgomp
11543         not supported.
11544
11545 2016-01-11  Andrew Burgess  <andrew.burgess@embecosm.com>
11546
11547         * config/arc/arc.opt (mdiv-rem): Add period to the end.
11548         (mcode-density): Likewise.
11549
11550 2016-01-10  Tom de Vries  <tom@codesourcery.com>
11551
11552         PR tree-optimization/69062
11553         * tree-parloops.c (loop_has_phi_with_address_arg): New function.
11554         (parallelize_loops): Don't paralelize loop that has phi with address
11555         arg.
11556
11557 2016-01-10  Tom de Vries  <tom@codesourcery.com>
11558
11559         PR tree-optimization/69039
11560         * tree-parloops.c (try_create_reduction_list): Only allow single exit
11561         phi for reduction.
11562
11563 2016-01-09  John David Anglin  <danglin@gcc.gnu.org>
11564
11565         PR middle-end/68743
11566         * match.pd: Require target has function_c99_misc before doing
11567         truncl(extend(x)) and trunc(extend(x)) -> extend(truncf(x)), etc.
11568
11569 2016-01-09  Gerald Pfeifer  <gerald@pfeifer.com>
11570
11571         * configure.ac (isl_options_set_schedule_serialize_sccs): Also
11572         use GMPINC.
11573         * configure: Regenerate.
11574
11575 2016-01-09  Jakub Jelinek  <jakub@redhat.com>
11576
11577         PR middle-end/50865
11578         PR tree-optimization/69097
11579         * fold-const.h (expr_not_equal_to): New prototype.
11580         * fold-const.c: Include stringpool.h and tree-ssanames.h.
11581         (expr_not_equal_to): New function.
11582         * match.pd (X % -Y is the same as X % Y): Don't optimize
11583         unless X is known not to be equal to minimum or Y is known
11584         not to be equal to -1.
11585         * tree-vrp.c (simplify_div_or_mod_using_ranges): Add GSI argument.
11586         fold TRUNC_MOD_EXPR if the second argument is not a power of two.
11587         (simplify_stmt_using_ranges): Adjust caller.
11588         (vrp_finalize): Call set_value_range on SSA_NAMEs before calling
11589         substitute_and_fold.
11590
11591 2016-01-09  Jan Hubicka  <hubicka@ucw.cz>
11592
11593         * ipa-icf.c (sem_item_optimizer::merge_classes): Do not ICE on VAR_DECL
11594         w/o DECL_NAME.
11595
11596 2016-01-08  Jakub Jelinek  <jakub@redhat.com>
11597
11598         PR tree-optimization/69167
11599         * gimple-fold.c (replace_stmt_with_simplification): Also punt if
11600         new SSA_NAME_OCCURS_IN_ABNORMAL_PHI SSA_NAMEs appear in operands of
11601         ops[0] comparison.
11602         * gimple-match-head.c (maybe_push_res_to_seq): Likewise.
11603
11604 2016-01-08  Alan Lawrence  <alan.lawrence@arm.com>
11605             Richard Biener  <rguenther@suse.de>
11606
11607         PR tree-optimization/68707
11608         * tree-vect-slp.c (vect_analyze_slp_instance): Cancel permuted SLP
11609         instances that can be handled via vect_load_lanes.
11610
11611 2016-01-08  Uros Bizjak  <ubizjak@gmail.com>
11612
11613         * symtab.c (symtab_node::equal_address_to): Return -1 instead of 2
11614         if we can't determine address equivalence.
11615         * alias.c (compare_base_decl): Update for changed return value of
11616         symtab_node::equal_address_to.
11617
11618 2016-01-08  Jason Merrill  <jason@redhat.com>
11619
11620         PR c++/68983
11621         PR c++/67557
11622         * function.c (assign_temp): Guard against TREE_ADDRESSABLE types here.
11623         * expr.c (store_field): Not here.
11624         * tree-cfgcleanup.c (fixup_noreturn_call): Don't clear LHS of a
11625         call with TREE_ADDRESSABLE type.
11626         * tree-cfg.c (verify_gimple_call): Adjust.
11627
11628 2016-01-08  Olivier Hainque  <hainque@adacore.com>
11629
11630         * config/vxworks.h (VXWORKS_LIBGCC_SPEC): Don't link shared RTPs with
11631         libc_internal.
11632
11633 2016-01-08  Alan Lawrence  <alan.lawrence@arm.com>
11634
11635         * gcc.target/rs6000/paired.md (reduc_smax_v2sf): Rename to...
11636         (reduc_smax_scal_v2sf): ...here, make result SFmode, extract element.
11637         (reduc_smin_v2sf): Rename to...
11638         (reduc_smin_scal_v2sf): ...here, make result SFmode, extract element.
11639         (reduc_splus_v2sf): Rename to...
11640         (reduc_plus_scal_v2sf): ...here, make result SFmode, extract element.
11641
11642 2016-01-08  Jakub Jelinek  <jakub@redhat.com>
11643
11644         PR tree-optimization/69162
11645         * gimplify.c (gimplify_va_arg_expr): Encode original type of
11646         valist argument in another argument.
11647         (gimplify_modify_expr): Adjust for the above change.  Cleanup.
11648         * tree-stdarg.c (expand_ifn_va_arg_1): Use new 3rd argument
11649         to determine the va_list type, build a MEM_REF instead of
11650         build_fold_indirect_ref.
11651
11652         PR tree-optimization/69172
11653         * gimple-fold.c (gimple_fold_builtin_memory_chk): Pass type to
11654         gimple_build.
11655
11656 2016-01-08  Thomas Preud'homme  <thomas.preudhomme@arm.com>
11657
11658         PR tree-optimization/67781
11659         * tree-ssa-math-opts.c (find_bswap_or_nop): Zero out bytes in cmpxchg
11660         and cmpnop in two steps: first the ones not accessed in original
11661         gimple expression in a endian independent way and then the ones not
11662         accessed in the final result in an endian-specific way.
11663
11664 2016-01-08  Jakub Jelinek  <jakub@redhat.com>
11665
11666         PR tree-optimization/69083
11667         * tree-vect-slp.c (vect_get_constant_vectors): For
11668         VECTOR_BOOLEAN_TYPE_P assert op is fold_convertible_p to vector_type's
11669         element type.  If op is fold_convertible_p to vector_type's element
11670         type, use NOP_EXPR instead of VCE.
11671
11672 2016-01-08  Segher Boessenkool  <segher@kernel.crashing.org>
11673
11674         PR rtl-optimization/67778
11675         PR rtl-optimization/68634
11676         PR rtl-optimization/68909
11677         * shrink-wrap.c (try_shrink_wrapping): Add comment.  Don't pop
11678         block from the stack until done with it.  Remove a superfluous
11679         bitmap set.  Remove a superfluous bitmap test.
11680
11681 2016-01-07  Martin Sebor  <msebor@redhat.com>
11682
11683         PR c/68966
11684         * doc/extend.texi (__atomic Builtins, __sync Builtins): Document
11685         constraint on the type of arguments.
11686
11687 2016-01-07  Andreas Tobler  <andreast@gcc.gnu.org>
11688
11689         * config/arm/freebsd.h: Rename SUBTARGET_OVERRIDE_OPTIONS to
11690         SUBTARGET_OVERRIDE_INTERNAL_OPTIONS. Adjust to check
11691         unaligned_access on the gcc_options set.
11692         * config/arm/arm.c (arm_option_override_internal): Use
11693         SUBTARGET_OVERRIDE_INTERNAL_OPTIONS.
11694
11695 2016-01-07  Uros Bizjak  <ubizjak@gmail.com>
11696
11697         PR target/69140
11698         * config/i386/i386.c (ix86_frame_pointer_required): Enable
11699         frame pointer for TARGET_64BIT_MS_ABI when stack is misaligned.
11700
11701 2016-01-07  Uros Bizjak  <ubizjak@gmail.com>
11702
11703         Revert
11704         2016-01-06  Uros Bizjak  <ubizjak@gmail.com>
11705
11706         PR target/69140
11707         * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
11708         depending on frame_pointer_needed before remaining integer and SSE
11709         registers are saved.
11710
11711 2016-01-07  Sandra Loosemore  <sandra@codesourcery.com>
11712
11713         PR 1078
11714         * doc/extend.texi (Nvidia PDX Function Attributes): New section.
11715
11716 2016-01-07  H.J. Lu  <hongjiu.lu@intel.com>
11717
11718         PR target/69171
11719         * config/i386/sse.md (<sse>_sqrt<mode>2<mask_name><round_name>):
11720         Use the "xBm" constraint.
11721         (float<sseintvecmodelower><mode>2<mask_name><round_name):
11722         Likewise.
11723         (sse_cvtsi2ss<round_name>): Use round_nimm_scalar_predicate.
11724         (sse_cvtsi2ssq<round_name>): Likewise.
11725         (sse_cvtss2si<round_name>): Likewise.
11726         (sse_cvtss2siq<round_name>): Likewise.
11727         (sse2_cvtsi2sdq<round_name>): Likewise.
11728         (sse2_cvtsd2si<round_name>): Likewise.
11729         (sse2_cvtsd2siq<round_name>): Likewise.
11730         * config/i386/subst.md (round_nimm_scalar_predicate): New
11731         predicate.
11732
11733 2015-12-15  Bernd Schmidt  <bschmidt@redhat.com>
11734
11735         PR middle-end/67639
11736         * varasm.c (make_decl_rtl): Mark invalid register vars as
11737         DECL_EXTERNAL.
11738
11739         PR rtl-optimization/66206
11740         * bt-load.c (find_btr_use): Change first arg to be a pointer to an rtx.
11741         All callers changed.
11742
11743 2016-01-07  Jakub Jelinek  <jakub@redhat.com>
11744
11745         PR tree-optimization/69141
11746         * tree-ssa-pre.c: Include langhooks.h.
11747         (eliminate_dom_walker::before_dom_children): Use
11748         lang_hooks.decl_printable_name instead of
11749         cgraph_node::get ()->name ().
11750
11751         PR middle-end/68960
11752         * gimple-expr.c (copy_var_decl): If var has DECL_USER_ALIGN set, copy
11753         it and DECL_ALIGN too.
11754
11755 2016-01-06  Robert Suchanek  <robert.suchanek@imgtec.com>
11756
11757         * config/mips/mips-ftypes.def: Sort to lexicographical order.
11758
11759 2016-01-06  Uros Bizjak  <ubizjak@gmail.com>
11760
11761         PR target/69140
11762         * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
11763         depending on frame_pointer_needed before remaining integer and SSE
11764         registers are saved.
11765
11766 2015-01-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
11767
11768         * config/rs6000/vsx.md (*p9_vecload_<mode>): Replace VSX_M
11769         mode iterator with VSX_M2.
11770         (*p9_vecstore_<mode>): Likewise.
11771         (*vsx_le_permute_<mode>): Restrict to !TARGET_P9_VECTOR.
11772         (*vsx_le_perm_load_<mode> for VSX_LE_128): Likewise.
11773         (*vsx_le_perm_store_<mode> for VSX_LE_128): Likewise.
11774         (define_split for VSX_LE128 stores): Likewise.
11775         (define_peephole2 for TImode LE swaps): Likewise.
11776         (define_split for VSX_LE128 post-reload stores): Likewise.
11777
11778 2016-01-06  Marek Polacek  <polacek@redhat.com>
11779
11780         PR sanitizer/69099
11781         * convert.c (convert_to_integer_1): Adjust call to
11782         ubsan_instrument_float_cast.  Use NULL_TREE instead of NULL.
11783         * ubsan.c (ubsan_instrument_float_cast): Drop the ARG parameter.  Use
11784         EXPR instead of ARG.
11785         * ubsan.h (ubsan_instrument_float_cast): Adjust declaration.
11786
11787 2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>
11788
11789         PR 1078
11790         * doc/extend.texi (RL78 Variable Attributes): New section.
11791
11792 2016-01-05  Marek Polacek  <polacek@redhat.com>
11793
11794         PR c/69104
11795         * builtins.c (get_memmodel): Use expansion point location rather than
11796         the input location.  Call warning_at rather than warning.
11797         (expand_builtin_atomic_compare_exchange): Likewise.
11798         (expand_builtin_atomic_load): Likewise.
11799         (expand_builtin_atomic_store): Likewise.
11800         (expand_builtin_atomic_clear): Likewise.
11801
11802 2016-01-05  H.J. Lu  <hongjiu.lu@intel.com>
11803
11804         PR target/68991
11805         * config/i386/i386.c (ix86_expand_vector_logical_operator):
11806         Replace nonimmediate_operand with vector_operand.
11807         * config/i386/predicates.md (vector_operand): New predicate.
11808         (general_vector_operand): Replace nonimmediate_operand with
11809         vector_operand.
11810         * config/i386/sse.md: Replace nonimmediate_operand with
11811         vector_operand and m constraint with Bm constraint on SSE
11812         patterns with 16-byte memory operand.
11813         * config/i386/subst.md (round_nimm_predicate): Replace
11814         nonimmediate_operand with vector_operand.
11815         (round_saeonly_nimm_predicate): Likewise.
11816         (round_saeonly_nimm_scalar_predicate): New.
11817
11818 2016-01-05  H.J. Lu  <hongjiu.lu@intel.com>
11819
11820         PR target/68991
11821         * config/i386/constraints.md (Bm): New constraint.
11822         * config/i386/predicates.md (vector_memory_operand): New
11823         predicate.
11824         * config/i386/sse.md: Replace xm with xBm in plusminus and
11825         any_logic patterns.
11826
11827 2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>
11828
11829         PR 1078
11830         * doc/extend.texi (V850 Function Attributes): New section.
11831         (V850 Variable Attributes): New section.
11832
11833 2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>
11834
11835         PR 1078
11836         * doc/extend.texi (MicroBlaze Function Attributes): Document
11837         interrupt_handler and fast_interrupt attributes.
11838
11839 2016-01-05  Sergei Trofimovich  <siarheit@google.com>
11840
11841         PR other/60465
11842         * config/ia64/ia64.c (ia64_expand_load_address): Use gprel64
11843         for local symbolic operands.
11844         * config/ia64/predicates.md (local_symbolic_operand64): New
11845         predicate.
11846
11847 2016-01-05  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11848
11849         PR rtl-optimization/68651
11850         * combine.c (combine_simplify_rtx): Canonicalize x + x into
11851         x << 1.
11852
11853 2016-01-05  Nathan Sidwell  <nathan@acm.org>
11854
11855         * alias.c (compare_base_decls): Use symtab_node::get.
11856
11857 2016-01-05  Nick Clifton  <nickc@redhat.com>
11858
11859         PR target/68770
11860         * ira-costs.c (copy_cost): Initialise the t_icode field of the
11861         secondary_reload_info structure.
11862
11863         PR target/66655
11864         * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Define to use weak
11865         decls if weak support is available.
11866
11867 2016-01-04  Martin Sebor  <msebor@redhat.com>
11868
11869         * doc/invoke.texi (Warning Options): Document -Winvalid-memory-model.
11870
11871 2016-01-04  Michael Meissner  <meissner@linux.vnet.ibm.com>
11872
11873         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Add
11874         OPTION_MASK_P9_DFORM.
11875
11876         * config/rs6000/constraints.md (wo constraint): New constraint for
11877         ISA 3.0 (power9).
11878
11879         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Add support
11880         for wo constraint.
11881         (rs6000_init_hard_regno_mode_ok): Likewise.
11882
11883         * config/rs6000/rs6000.h (r6000_reg_class_enum): Add support for
11884         wo constraint.
11885
11886         * config/rs6000/altivec.md (altivec_vperm_<mode>): Clean up vperm
11887         expanders not to have constraints.  Add support for ISA 3.0 xxperm
11888         instruction.  Add support for fusing xxlor with xxperm.
11889         (altivec_vperm_<mode>_internal): Likewise.
11890         (altivec_vperm_v8hiv16qi): Likewise.
11891         (altivec_vperm_<mode>v16q): Likewise.
11892         (altivec_vperm_<mode>_uns): Likewise.
11893         (vperm_v8hiv4si): Likewise.
11894         (vperm_v16qiv8hi): Likewise.
11895
11896         * doc/md.texi (RS/6000 constraints): Document wo constraint.
11897
11898 2016-01-04  Jakub Jelinek  <jakub@redhat.com>
11899
11900         Update copyright years.
11901
11902         * gcc.c (process_command): Update copyright notice dates.
11903         * gcov-dump.c (print_version): Ditto.
11904         * gcov.c (print_version): Ditto.
11905         * gcov-tool.c (print_version): Ditto.
11906         * gengtype.c (create_file): Ditto.
11907         * doc/cpp.texi: Bump @copying's copyright year.
11908         * doc/cppinternals.texi: Ditto.
11909         * doc/gcc.texi: Ditto.
11910         * doc/gccint.texi: Ditto.
11911         * doc/gcov.texi: Ditto.
11912         * doc/install.texi: Ditto.
11913         * doc/invoke.texi: Ditto.
11914
11915 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
11916
11917         * config/arm/arm.c (aapcs_vfp_allocate_return_reg): Treat all integer
11918         modes larger than TImode as TImode if NEON is not enabled.
11919
11920 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
11921
11922         PR target/69100
11923         * config/sparc/sparc.h (FUNCTION_ARG_REGNO_P): Return true in 64-bit
11924         mode for %f0-%f31 only if TARGET_FPU.
11925
11926 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
11927
11928         PR target/69072
11929         * config/sparc/sparc.c (scan_record_type): Take into account subfields
11930         to compute the PACKED_P predicate.
11931         (function_arg_record_value): Minor tweaks.
11932
11933 2016-01-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
11934
11935         * doc/install.texi (--with-multilib-list): Describe the meaning of the
11936         option for arm*-*-* targets.
11937
11938 2016-01-03  Sandra Loosemore  <sandra@codesourcery.com>
11939
11940         * doc/extend.texi (Common Function Attributes): Move docs for
11941         MSP430-specific attributes to....
11942         (MSP430 Function Attributes): ...here.  Delete the redundant
11943         entries and copy-edit the remaining text.
11944         (MSP430 Variable Attributes): Use uniform format for index
11945         entries and add a cross-reference to the corresponding function
11946         attribute docs.
11947
11948 2016-01-03  Vladimír Čunát  <vcunat@gmail.com>
11949
11950         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix
11951         -finite-math typo.
11952         (x86 Options): Likewise.
11953
11954 2016-01-01  Sandra Loosemore  <sandra@codesourcery.com>
11955
11956         PR 1078
11957
11958         * extend.texi (Common Function Attributes) <no_stack_limit>: New.
11959         * invoke.texi (Code Gen Options) <-fno-stack-limit>: Add pointer
11960         to corresponding attribute.
11961
11962 2016-01-01  Sandra Loosemore  <sandra@codesourcery.com>
11963
11964         * doc/extend.texi (Common Function Attributes) <noplt>: Move
11965         to correct alphabetization of table.  Copy-edit and correct
11966         markup.
11967         <stack_protect>: Likewise.
11968         <target_clones>: Likewise.
11969         <simd>: Likewise.
11970         * doc/invoke.texi (Optimize Options) <-fstack-protector-explicit>:
11971         Correct punctuation.
11972         (Code Gen Options) <-fno-plt>: Copy-edit.
11973
11974 2016-01-01  Bernd Edlinger  <bernd.edlinger@hotmail.de>
11975
11976         PR target/68917
11977         * config/tilegx/tilegx.md (clzsi2): Don't create DI subregs of
11978         SI values.  Explicitly convert SI to DI and vice-versa.
11979
11980 2016-01-01  Jakub Jelinek  <jakub@redhat.com>
11981
11982         PR tree-optimization/69070
11983         * tree-ssa-math-opts.c (gimple_expand_builtin_pow): Only test
11984         REAL_VALUE_ISSIGNALING_NAN on arg0 if arg0 is a REAL_CST.
11985
11986         PR sanitizer/69055
11987         * ubsan.c (ubsan_instrument_float_cast): Call
11988         initialize_sanitizer_builtins.
11989
11990         PR target/69015
11991         * ifcvt.c (find_cond_trap): Give up if returnjump_p (jump).
11992 \f
11993 Copyright (C) 2016 Free Software Foundation, Inc.
11994
11995 Copying and distribution of this file, with or without modification,
11996 are permitted in any medium without royalty provided the copyright
11997 notice and this notice are preserved.