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1 2016-03-07  Nathan Sidwell  <nathan@codesourcery.com>
3         PR middle-end/69916
4         * omp-low.c (struct oacc_loop): Add ifns.
5         (new_oacc_loop_raw): Initialize it.
6         (finish_oacc_loop): Clear mask & flags if no ifns.
7         (oacc_loop_discover_walk): Count IFN_GOACC_LOOP calls.
8         (oacc_loop_xform_loop): Add ifns arg & adjust.
9         (oacc_loop_process): Adjust oacc_loop_xform_loop call.
11 2016-03-07  Richard Henderson  <rth@redhat.com>
13         PR rtl-opt/70061
14         * tree-outofssa.c (emit_partition_copy): Flush pending stack adjust.
15         (insert_value_copy_on_edge): Likewise.
17 2016-03-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
19         * config/arm/arm_neon.h: Show error if using with soft-float ABI.
21 2016-03-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
23         PR target/62281
24         * config/i386/sol2.h (STACK_REALIGN_DEFAULT): Define.
26 2016-03-05  Venkataramanan Kumar  <Venkataramanan.kumar@amd.com>
28         * config/i386/i386.c (znver1_cost): Fix Multiply cost.
30 2016-03-05  Venkataramanan Kumar  <Venkataramanan.kumar@amd.com>
32         Fix sseimul type attribute.
33         * config/i386/znver1.md 
34         (znver1_sseimul, znver1_sseimul_avx256, znver1_sseimul_load,
35         znver1_sseimul_avx256_load) : Fix the type attribute.
36         (znver1_sseimul_di,
37         znver1_sseimul_load_di): Fix type attribute, pipe usage and latency. 
39 2016-03-05  Jakub Jelinek  <jakub@redhat.com>
41         PR c++/70084
42         * tree-inline.c (copy_tree_body_r): When cancelling ADDR_EXPR
43         of INDIRECT_REF and ADDR_EXPR changed type, fold_convert it
44         to the right type.
46 2016-03-04  Bernd Schmidt  <bschmidt@redhat.com>
48         PR c/69973
49         * targhooks.c (default_vector_alignment): Limit to MAX_OFILE_ALIGNMENT.
51         PR rtl-optimization/69941
52         * postreload.c (reload_combine_recognize_pattern): Ensure all uses of
53         the reg share its mode.
55 2016-03-04  Jeff Law  <law@redhat.com>
57         PR tree-optimization/69196
58         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
59         If the both SSA_NAMEs are anonymous, then consider them unassociated
60         and include the PHI in the statement count.
62 2016-03-05  Tom de Vries  <tom@codesourcery.com>
64         * omp-low.c (check_omp_nesting_restrictions): Check for non-oacc
65         construct in oacc routine.  Check for oacc region in oacc routine.
67 2016-03-04  Jakub Jelinek  <jakub@redhat.com>
69         PR target/70062
70         * config/i386/i386.c (decide_alg): Add RECUR argument.  Revert
71         2016-02-22 changes, instead don't recurse if RECUR is already true.
72         Don't change *dynamic_check if RECUR.  Adjust recursive caller
73         to pass true to the new argument.
74         (ix86_expand_set_or_movmem): Adjust decide_alg caller.
76         PR target/70059
77         * config/i386/sse.md (vec_set_lo_<mode><mask_name>,
78         <extract_type_2>_vinsert<shuffletype><extract_suf_2>_mask): Formatting
79         fixes.
80         (vec_set_hi_<mode><mask_name>): Likewise.  Swap VEC_CONCAT operands.
82 2016-03-04  Bernd Schmidt  <bschmidt@redhat.com>
84         PR rtl-optimization/57676
85         * lra-assigns.c (lra_assign): Guard test for maximum iterations
86         with flag_checking.
88 2016-03-04  Ilya Enkovich  <enkovich.gnu@gmail.com>
90         * tree-vect-patterns.c (search_type_for_mask): Handle
91         comparison of booleans.
93 2016-03-04  Jakub Jelinek  <jakub@redhat.com>
95         * doc/extend.texi (__builtin_alloca, __builtin_alloca_with_align):
96         Fix @xref usage.
98         PR debug/69947
99         * dwarf2out.c (prune_unused_types_walk_loc_descr): Handle
100         all other ops that have dw_val_class_die_ref operands,
101         and DW_OP_GNU_entry_value.
103 2016-03-03  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
105         PR rtl-optimization/69904
106         * config/arm/arm.c (arm_cannot_copy_insn_p):
107         Return true for load-exclusive instructions.
109 2016-03-03  Jakub Jelinek  <jakub@redhat.com>
111         PR target/70021
112         * tree-vect-stmts.c (vect_mark_relevant): Remove USED_IN_PATTERN
113         argument, if STMT_VINFO_IN_PATTERN_P (stmt_info), always mark
114         the pattern no matter if it is used just by non-pattern, pattern
115         or mix thereof.
116         (process_use, vect_mark_stmts_to_be_vectorized): Adjust callers.
117         * tree-vect-patterns.c (vect_recog_vector_vector_shift_pattern): If
118         oprnd1 def_stmt is in pattern, don't look through it.
120 2016-03-03  Marek Polacek  <polacek@redhat.com>
122         PR middle-end/70050
123         * match.pd (X % -Y): Add INTEGRAL_TYPE_P check.
125 2016-03-03  Martin Liska  <mliska@suse.cz>
127         PR tree-optimization/70043
128         * tree-vect-loop.c (optimize_mask_stores): Move iterator to
129         previous statement if we see a debug statement.
131 2016-03-03  Richard Biener  <rguenther@suse.de>
133         PR tree-optimization/55936
134         * tree-vrp.c (compare_name_with_value): Add use_equiv_p
135         parameter and guard unsafe equivalence use.
136         (vrp_evaluate_conditional_warnv_with_ops): Always use
137         safe equivalences but not via the quadratic compare_names
138         helper.
140 2016-03-03  Michael Collison  <michael.collison@linaro.org>
142         PR target/70014
143         * config/arm/arm.md (*subsi3_carryin_const): Change predicate
144         for operand 1 to s_register_operand. Change predicate for operand
145         2 to arm_not_immediate_operand.
147 2016-03-02  H.J. Lu  <hongjiu.lu@intel.com>
149         * doc/tm.texi: Regenerated.
151 2016-03-02  Richard Henderson  <rth@redhat.com>
153         PR rtl-opt/67145
154         * simplify-rtx.c (simplify_plus_minus): Allow reassoc without
155         simplification when all args are positive non-fixed registers.
157 2016-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
159         * target.def (lra_p): Specify that new ports should use LRA.
161 2016-03-02  Jakub Jelinek  <jakub@redhat.com>
163         PR libgomp/69555
164         * gimplify.c (gimplify_decl_expr): For decls with REFERENCE_TYPE, also
165         gimplify_type_sizes the type they refer to.
166         (omp_notice_variable): Handle reference vars to VLAs.
167         * omp-low.c (lower_omp_target): Emit setup of OMP_CLAUSE_PRIVATE reference
168         to VLA decls in the second pass instead of first pass.
170 2016-03-02  Tom de Vries  <tom@codesourcery.com>
172         PR tree-optimization/68659
173         * graphite-isl-ast-to-gimple.c (collect_all_ssa_names): Handle
174         new_expr == NULL_TREE.
175         (get_new_name): Handle ADDR_EXPR.
177 2016-03-02  Bin Cheng  <bin.cheng@arm.com>
179         PR rtl-optimization/69052
180         * loop-invariant.c (canonicalize_address): New function.
181         (inv_can_prop_to_addr_use): Check validity of address expression
182         which is canonicalized by above function.
184 2016-03-02  Alan Modra  <amodra@gmail.com>
186         PR ipa/69990
187         * ipa-icf.c (sem_variable::merge): Do not merge an alias with
188         larger alignment.
190 2016-03-02  Jakub Jelinek  <jakub@redhat.com>
192         PR target/70028
193         * config/i386/i386.md (kmovw): Move m constraint to 2nd alternative.
194         (*movhi_internal): Put mask moves from and to memory separately
195         from moves from/to GPRs.
197 2016-03-02  Richard Biener  <rguenther@suse.de>
199         * genmatch.c (dt_node::gen_kids): Fix match code-gen for embedded
200         GENERIC expressions in GIMPLE.
202 2016-03-02  Richard Biener  <rguenther@suse.de>
204         * config/i386/i386.c (type_natural_mode): Fix typo.
206 2016-03-02  Nick Clifton  <nickc@redhat.com>
208         * config.gcc (mep-*-elf): Add newlib-stdint.h to tm_file.
210 2016-03-02  Richard Biener  <rguenther@suse.de>
211         Uros Bizjak  <ubizjak@gmail.com>
213         PR target/67278
214         * config/i386/i386.c (type_natural_mode): Handle XFmode vectors.
216 2016-03-02  Richard Biener  <rguenther@suse.de>
218         PR middle-end/67278
219         * tree-cfg.c (verify_expr): Adjust BIT_FIELD_REF case.
221 2016-03-02  Marek Polacek  <polacek@redhat.com>
223         PR c/67854
224         * gimplify.c (gimplify_va_arg_expr): Use expanded location for the
225         "is promoted to" warning.
227 2016-03-01  DJ Delorie  <dj@redhat.com>
229         * config.gcc: Deprecate mep-*.
231 2016-03-01  Vladimir Makarov  <vmakarov@redhat.com>
233         PR middle-end/70025
234         * lra-constraints.c (regno_val_use_in): New.
235         (match_reload): Use it instead of regno_use_in.
237 2016-03-01  Eric Botcazou  <ebotcazou@adacore.com>
239         PR rtl-optimization/70007
240         * gcse.c (compute_ld_motion_mems): Tidy up and also invalidate memory
241         references present in REG_EQUAL notes attached to non-SET patterns.
243 2016-03-01  Jeff Law  <law@redhat.com>
245         PR tree-optimization/69196
246         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
247         Appropriately clamp the number of statements to copy when the
248         thread path does not traverse a loop backedge.
250         PR tree-optimization/69196
251         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
252         Do count some PHIs in the thread path against the insn count.  Decrease
253         final statement count by one as the control statement in the last
254         block will get removed.  Remove special cased code for handling PHIs            in the last block.
256 2016-03-01  Uros Bizjak  <ubizjak@gmail.com>
258         PR target/70027
259         * config/i386/i386.c (ix86_output_call_insn): Add -masm=intel
260         asm dialect alternatives to explicit GOTPCREL calls.
262 2016-03-01  Eric Botcazou  <ebotcazou@adacore.com>
264         PR ada/70017
265         * ira.c (do_reload): Issue warning for generic stack checking here...
266         * reload1.c (reload): ...instead of here and streamline it.
268 2016-03-01  Nick Clifton  <nickc@redhat.com>
270         * config.gcc (cr16-*-elf): Add newlib-stdint.h to tm_file.
272 2016-03-01  Richard Biener  <rguenther@suse.de>
274         PR tree-optimization/69983
275         * tree-chrec.c (eq_evolutions_p): Handle conversions, compare
276         types and fall back to operand_equal_p.
278 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
280         Revert
281         2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
283         * config/s390/constraints.md ("jm8"): New constraint.
284         * config/s390/predicates.md ("const_int_8bitset_operand"): New
285         predicate.
286         * config/s390/s390.md ("*setmem_long", "*setmem_long_and"): Merge
287         into ...
288         ("*setmem_long<setmem_and>"): New pattern.
289         ("*setmem_long_31z", "*setmem_long_and_31z"): Merge
290         into ...
291         ("*setmem_long_31z<setmem_and>"): New pattern.
292         * config/s390/subst.md ("setmem_31z_subst", "setmem_and_subst"):
293         New substitution rules with the required attributes.
296 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
298         Revert
299         2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
301         * gensupport.c (process_substs_on_one_elem): Split loop to
302         complete mark_operands_used_in_match_dup on all expressions in the
303         vector first.
304         (adjust_operands_numbers): Inline into process_substs_on_one_elem
305         and remove function.
307 2016-03-01  Richard Biener  <rguenther@suse.de>
309         PR middle-end/70022
310         * fold-const.c (fold_indirect_ref_1): Fix range checking for
311         vector BIT_FIELD_REF extract.
313 2016-03-01  Richard Biener  <rguenther@suse.de>
315         PR tree-optimization/69994
316         * tree-ssa-reassoc.c (ops_equal_values_p): Handle missing case.
318 2016-03-01  Ilya Enkovich  <enkovich.gnu@gmail.com>
320         PR tree-optimization/69956
321         * tree-vect-stmts.c (supportable_widening_operation): Support
322         multi-step conversion of boolean vectors.
323         (supportable_narrowing_operation): Likewise.
325 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
327         * config/s390/s390.c (s390_decompose_address): Don't accept SImode
328         anymore.
330 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
332         * config/s390/subst.md (DSI_VI): New mode iterator.
333         ("addr_style_op_subst"): Use DSI_VI instead of DSI.
334         * config/s390/vector.md ("vec_set<mode>"): Move expander before
335         the insn definition.
336         ("*vec_set<mode>"): Change predicate and add alternative to
337         support only either register or const_int operands as element
338         selector.
339         ("*vec_set<mode>_plus"): New pattern to support reg + const_int
340         operands.
341         ("vec_extract<mode>"): New expander.
342         ("*vec_extract<mode>"): New insn definition supporting reg and
343         const_int element selectors.
344         ("*vec_extract<mode>_plus"): New insn definition supporting
345         reg+const_int element selectors.
346         ("rotl<mode>3", "ashl<mode>3", "ashr<mode>3"): Merge into the
347         following expander+insn definition.
348         ("<vec_shifts_name><mode>3"): New expander.
349         ("*<vec_shifts_name><mode>3<addr_style_op>"): New insn definition.
351 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
353         * config/s390/s390.md ("*tabort_1"): Change predicate to
354         nonmemory_operand.  Add a second alternative to cover
355         register as well as const int operands.
356         ("*tabort_1_plus"): New pattern definition.
358 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
360         * config/s390/s390.md ("*ashrdi3_cc_31")
361         ("*ashrdi3_cconly_31""*ashrdi3_cc_31_and")
362         ("*ashrdi3_cconly_31_and", "*ashrdi3_31_and", "*ashrdi3_31"):
363         Merge insn definitions into ...
364         ("*ashrdi3_31<addr_style_op_cc><masked_op_cc><setcc><cconly>"):
365         New pattern definition.
366         ("*ashr<mode>3_cc", "*ashr<mode>3_cconly", "ashr<mode>3", )
367         ("*ashr<mode>3_cc_and", "*ashr<mode>3_cconly_and")
368         ("*ashr<mode>3_and"): Merge insn definitions into ...
369         ("*ashr<mode>3<addr_style_op_cc><masked_op_cc><setcc><cconly>"):
370         New pattern definition.
371         * config/s390/subst.md ("addr_style_op_cc_subst")
372         ("masked_op_cc_subst", "setcc_subst", "cconly_subst"): New
373         substitutions patterns plus attributes.
374         Add ashiftrt to SUBST iterator.
376 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
378         * config/s390/s390.md ("<shift><mode>3"): Change predicate of
379         op2 to nonmemory_operand.
380         ("*<shift>di3_31", "*<shift>di3_31_and"):
381         Merge into single pattern definition ...
382         ("*<shift>di3_31<addr_style_op><masked_op>"): New pattern.
383         ("*<shift><mode>3", "*<shift><mode>3_and"): Merge into single
384         pattern definition ...
385         ("*<shift><mode>3<addr_style_op><masked_op>"): New pattern.
386         * config/s390/subst.md: Add ashift and lshiftrt to SUBST
387         iterator.
389 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
391         * config/s390/predicates.md (const_int_6bitset_operand): New
392         predicate.
393         * config/s390/s390.md: Include subst.md.
394         ("rotl<mode>3"): New expander.
395         ("rotl<mode>3", "*rotl<mode>3_and"): Merge insn definitions into
396         ...
397         ("*rotl<mode>3<addr_style_op><masked_op>"): New insn definition.
398         * config/s390/subst.md: New file.
400 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
402         * config/s390/s390.md ("op_type", "atype", "length" attributes):
403         Remove RRR type.  It doesn't really exist.
404         ("RRer", "f0", "v0", "vf", "vd", "op1", "Rf"): Remove mode
405         attributes.
406         ("BFP", "DFP", "nDSF", "nDFDI"): Add mode attributes.
407         ("*cmp<mode>_ccs", "floatdi<mode>2", "add<mode>3")
408         ("*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3")
409         ("*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3")
410         ("fma<mode>4", "fms<mode>4", "div<mode>3", "*neg<mode>2")
411         ("*abs<mode>2", "*negabs<mode>2", "sqrt<mode>2"): Override
412         `enabled' attribute.
414 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
416         * gensupport.c (process_substs_on_one_elem): Split loop to
417         complete mark_operands_used_in_match_dup on all expressions in the
418         vector first.
419         (adjust_operands_numbers): Inline into process_substs_on_one_elem
420         and remove function.
422 2016-02-29  Eric Botcazou  <ebotcazou@adacore.com>
424         PR target/69706
425         * config/sparc/sparc.c (NWORDS_UP): Rename to...
426         (CEIL_NWORDS): ...this.  Use CEIL macro.
427         (compute_fp_layout): Adjust to above renaming.
428         (function_arg_union_value): Likewise.
429         (sparc_arg_partial_bytes): Likewise.
430         (sparc_function_arg_advance): Likewise.
432 2016-02-29  Jeff Law  <law@redhat.com>
434         PR tree-optimization/70005
435         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Handle case
436         where an object with a boolean range is compared against a value
437         outside [0..1].
439         PR tree-optimization/69999
440         * gimple-ssa-split-paths.c (split_paths): When duplicating a block
441         with an outgoing edge marked with EDGE_IRREDUCIBLE_LOOP, schedule
442         loop cleanups.
444 2016-02-29  Richard Biener  <rguenther@suse.de>
446         PR tree-optimization/69994
447         * tree-ssa-reassoc.c (gimple_nop_conversion_p): New function.
448         (get_unary_op): Look through nop conversions.
449         (ops_equal_values_p): New function, look for equality diregarding
450         nop conversions.
451         (eliminate_plus_minus_pair): Use ops_equal_values_p
452         (repropagate_negates): Do not use get_unary_op here.
454 2016-02-29  Martin Liska  <mliska@suse.cz>
456         * system.h: Poison ENABLE_CHECKING macro.
458 2016-02-29  Martin Liska  <mliska@suse.cz>
460         * hsa-gen.c (gen_body_from_gimple): Dump only if TDF_DETAILS
461         is presented in dump flags.
462         * hsa-regalloc.c (linear_scan_regalloc): Likewise.
463         (hsa_regalloc): Likewise.
465 2016-02-19  Richard Biener  <rguenther@suse.de>
467         PR tree-optimization/69980
468         * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Update
469         permutation of those we need to keep.
471 2016-02-29  Eric Botcazou  <ebotcazou@adacore.com>
473         PR target/69706
474         * config/sparc/sparc.c (ROUND_ADVANCE): Rename to...
475         (NWORDS_UP): ...this
476         (init_cumulative_args): Minor tweaks.
477         (sparc_promote_function_mode): Likewise.
478         (scan_record_type): Delete.
479         (traverse_record_type): New function template.
480         (classify_data_t): New structure type.
481         (classify_registers): New inline function.
482         (function_arg_slotno): In 64-bit mode, bail out early if FP slots are
483         exhausted.  Instantiate traverse_record_type on classify_registers and
484         deal with the case of a structure passed in slot #15 with no FP field
485         in the first word.
486         (assign_data_t): New structure type.
487         (compute_int_layout): New static function.
488         (compute_fp_layout): Likewise.
489         (count_registers): New inline function.
490         (assign_int_registers): New static function.
491         (assign_fp_registers): Likewise.
492         (assign_registers): New inline function.
493         (function_arg_record_value_1): Delete.
494         (function_arg_record_value_2): Likewise.
495         (function_arg_record_value_3): Likewise.
496         (function_arg_record_value): Adjust to above changes.  Instantiate
497         traverse_record_type on count_registers to first count the number of
498         registers to be used and then on assign_registers to assign them.
499         (function_arg_union_value): Adjust to above renaming.
500         (sparc_function_arg_1); Minor tweaks.  Remove commented out code.
501         (sparc_arg_partial_bytes): Adjust to above renaming.  Deal with the
502         case of a structure passed in slot #15
503         (sparc_function_arg_advance): Likewise.
504         (function_arg_padding): Minor tweak.
506 2016-02-29  Richard Biener  <rguenther@suse.de>
508         PR tree-optimization/69720
509         * tree-vect-loop.c (get_initial_def_for_reduction): Avoid
510         the adjustment_def path for possibly vectorized defs.
511         (vect_create_epilog_for_reduction): Handle vectorized initial
512         defs properly.
514 2016-02-28  Eric Botcazou  <ebotcazou@adacore.com>
516         * config/i386/cygming.h (STACK_REALIGN_DEFAULT): Define.
518 2016-02-27  Jeff Law  <law@redhat.com>
520         Revert
521         2016-02-26  Richard Biener  <rguenther@suse.de>
522                     Jeff Law  <law@redhat.com>
524         PR tree-optimization/69740
525         * cfghooks.c (remove_edge): Request loop fixups if we delete
526         an edge that might turn an irreducible loop into a natural
527         loop.
529 2016-02-27  Jakub Jelinek  <jakub@redhat.com>
531         PR rtl-optimization/69896
532         * tree-vect-generic.c (get_compute_type): Avoid single element
533         vector types.
535 2016-02-26  Evandro Menezes  <e.menezes@samsung.com>
537         Rename the AArch64 tuning option and related functions to enable the
538         Newton series for the reciprocal square root to reflect its
539         approximative characteristic.
541         * config/aarch64/aarch64-protos.h (aarch64_emit_swrsqrt): Rename
542         function to "aarch64_emit_approx_rsqrt".
543         * config/aarch64/aarch64-tuning-flags.def: Rename tuning flag to
544         AARCH64_EXTRA_TUNE_APPROX_RSQRT.
545         * config/aarch64/aarch64.c (exynosm1_tunigs): Use new flag name.
546         (xgene1_tunings): Likewise.
547         (use_rsqrt_p): Likewise.
548         (aarch64_emit_swrsqrt): Use new function name.
549         * config/aarch64/aarch64-simd.md (aarch64_rsqrts_*): Likewise.
550         * config/aarch64/aarch64.opt (mlow-precision-recip-sqrt): Reword the
551         text explaining this option.
552         * doc/invoke.texi (-mlow-precision-recip-sqrt): Likewise.
554 2016-02-26  Jakub Jelinek  <jakub@redhat.com>
556         PR target/69969
557         * config/rs6000/rs6000.c (rs6000_option_override_internal): Don't
558         complain about -mallow-movmisalign without -mvsx if
559         TARGET_ALLOW_MOVMISALIGN was not set explicitly.
561 2016-02-26  Joel Sherrill  <joel@rtems.org>
563         * config.gcc: Add x86_64-*-rtems*.
564         * gcc/config/i386/rtems-64.h: New file.
566 2016-02-26  Joel Sherrill  <joel@rtems.org>
568         * config.gcc: Add aarch64-*-rtems*.
569         * gcc/config/aarch64/rtems.h: New file.
571 2016-02-26  Segher Boessenkool  <segher@kernel.crashing.org>
573         PR target/69946
574         * config/rs6000/rs6000.c (rs6000_insn_for_shift_mask): Print rlwinm
575         shift amount using %h.  Add comment.
577 2016-02-26  Richard Biener  <rguenther@suse.de>
578             Jeff Law  <law@redhat.com>
580         PR tree-optimization/69740
581         * cfghooks.c (remove_edge): Request loop fixups if we delete
582         an edge that might turn an irreducible loop into a natural
583         loop.
585 2016-02-26  Martin Jambor  <mjambor@suse.cz>
587         PR middle-end/69920
588         * tree-sra.c (sra_modify_assign): Do not remove loads of
589         uninitialized aggregates to SSA_NAMEs.
591 2016-02-26  Richard Henderson  <rth@redhat.com>
593         PR target/69709
594         * config/s390/s390.md (risbg and risbgn splitters): Allocate new
595         pseudo in case the target rtx matches the source of the left
596         shift.
598 2016-02-26  Martin Jambor  <mjambor@suse.cz>
600         PR hsa/69568
601         * hsa.h (hsa_type_packed_p): Declare.
602         * hsa.c (hsa_type_packed_p): New function.
603         * hsa-gen.c (mem_type_for_type): Use unsigned type for packed
604         loads.
605         (gen_hsa_insns_for_store): Use hsa_type_packed_p.
606         * hsa-brig.c (emit_basic_insn): Likewise.
608 2016-02-26  Martin Jambor  <mjambor@suse.cz>
610         pr hsa/69674
611         * hsa-gen.c (gen_hsa_phi_from_gimple_phi): Use proper hsa type for
612         pointers.
613         (gen_hsa_addr): Allow integer constants in TMR_INDEX2.
615 2016-02-26  Martin Jambor  <mjambor@suse.cz>
617         * hsa.h (is_a_helper): New overload for hsa_op_immed for
618         hsa_op_with_type operands.
619         (hsa_unsigned_type_for_type): Declare.
620         * hsa.c (hsa_unsigned_type_for_type): New function.
621         * hsa-gen.c (gen_hsa_binary_operation): Use hsa_unsigned_type_for_type.
622         (gen_hsa_insns_for_operation_assignment): Satisfy constrains of
623         the finalizer.  Do not emit extra move.
625 2016-02-26  Martin Jambor  <mjambor@suse.cz>
627         * hsa-gen.c (gen_hsa_ternary_atomic_for_builtin): Fail in presence of
628         atomic operations in private segment.
630 2016-02-26  Martin Jambor  <mjambor@suse.cz>
632         * omp-low.c (grid_find_ungridifiable_statement): Store problematic
633         statements to wi->info.  Also disallow omp simd constructs.
634         (grid_target_follows_gridifiable_pattern): Use wi.info to dump reason
635         for not gridifying.  Dump special string for omp_for.
637 2016-02-26  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
639         PR target/69245
640         * config/aarch64/aarch64.c (aarch64_set_current_function):
641         Save/restore target globals when switching to
642         target_option_default_node.
644 2016-02-26  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
646         PR target/69613
647         * config/aarch64/aarch64.c (aarch64_shift_truncation_mask):
648         Return 0 if !SHIFT_COUNT_TRUNCATED.
650 2016-02-26  Jakub Jelinek  <jakub@redhat.com>
651             Eric Botcazou  <ebotcazou@adacore.com>
653         PR rtl-optimization/69891
654         * dse.c (scan_insn): If we can't figure out memset arguments
655         or they are non-constant, call clear_rhs_from_active_local_stores.
657 2016-02-26  Martin Liska  <mliska@suse.cz>
659         * doc/extend.texi: Mention clog10, clog10f an clog10l
660         in Builtins section.
662 2016-02-26  Martin Liska  <mliska@suse.cz>
664         * dwarf2out.c (new_loc_descr): Replace ENABLE_CHECKING with
665         CHECKING_P.
666         (resolve_args_picking_1): Likewise.
667         * dwarf2out.h (struct GTY): Likewise.
669 2016-02-26  Martin Liska  <mliska@suse.cz>
671         * hsa-gen.c (generate_hsa): Replace ENABLE_CHECKING macro
672         with flag_checking.
673         * hsa-regalloc.c (linear_scan_regalloc): Likewise.
675 2016-02-26  Markus Trippelsdorf  <markus@trippelsdorf.de>
676             Martin Liska  <mliska@suse.cz>
678         * doc/install.texi: Mention --enable-valgrind-annotations.
680 2016-02-26  Richard Biener  <rguenther@suse.de>
682         PR tree-optimization/69551
683         * tree-ssa-structalias.c (get_constraint_for_ssa_var): When
684         looking through aliases adjust DECL_PT_UID to refer to the
685         ultimate alias target.
687 2016-02-25  Martin Liska  <mliska@suse.cz>
689         PR middle-end/69919
690         * alloc-pool.c (after_memory_report): New variable.
691         * alloc-pool.h (base_pool_allocator ::release): Do not use
692         the infrastructure if after_memory_report.
693         * toplev.c (toplev::main): Mark after memory report.
695 2016-02-25  Richard Biener  <rguenther@suse.de>
697         PR tree-optimization/48795
698         * tree-vrp.c (check_array_ref): Use array_at_struct_end_p.
700 2016-02-25  Ilya Verbin  <ilya.verbin@intel.com>
702         PR driver/68463
703         * config/gnu-user.h (CRTOFFLOADBEGIN): Define.  Add crtoffloadbegin.o if
704         offloading is enabled and -fopenacc or -fopenmp is specified.
705         (CRTOFFLOADEND): Likewise.
706         (GNU_USER_TARGET_STARTFILE_SPEC): Add CRTOFFLOADBEGIN.
707         (GNU_USER_TARGET_ENDFILE_SPEC): Add CRTOFFLOADEND.
708         * lto-wrapper.c (offloadbegin, offloadend): Remove static vars.
709         (offload_objects_file_name): New static var.
710         (tool_cleanup): Remove offload_objects_file_name file.
711         (find_offloadbeginend): Replace with ...
712         (find_crtoffloadtable): ... this.
713         (run_gcc): Remove offload_argc and offload_argv.
714         Get offload_objects_file_name from -foffload-objects=... option.
715         Read names of object files with offload from this file, pass them to
716         compile_images_for_offload_targets.  Don't call find_offloadbeginend and
717         don't pass offloadbegin and offloadend to the linker.  Don't pass
718         offload non-LTO files to the linker, because now they're not claimed.
720 2016-02-25  Jan Hubicka  <hubicka@ucw.cz>
722         PR ipa/69630
723         * ipa-devirt.c (possible_polymorphic_call_targets): Do not ICE
724         on builtin_unreachable.
726 2016-02-25  Jakub Jelinek  <jakub@redhat.com>
728         PR rtl-optimization/69896
729         * regcprop.c: Include cfgrtl.h.
730         (copyprop_hardreg_forward_1): If noop_p insn uses narrower
731         than remembered mode, either delete it (if noop_move_p), or
732         treat like copy_p but not noop_p instruction.
734 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
736         PR debug/69705
737         * dwarf2out.c (gen_variable_die): Work around buggy LTO
738         - allow NULL decl for Fortran DW_TAG_common_block variables.
740 2016-02-24  Jason Merrill  <jason@redhat.com>
742         * common.opt (flifetime-dse): Add -flifetime-dse=1.
744 2016-02-24  Richard Biener  <rguenther@suse.de>
745             Jakub Jelinek  <jakub@redhat.com>
747         PR middle-end/69760
748         * tree-scalar-evolution.c (interpret_rhs_expr): Re-write
749         conditionally executed ops to well-defined overflow behavior.
751 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
753         PR middle-end/69915
754         * tree.c (build_vector_from_ctor): Fix handling of VECTOR_CST
755         elements.
757 2016-02-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
759         PR rtl-optimization/69886
760         * gcse.c (can_assign_to_reg_without_clobbers_p): Accept mode
761         argument.  Use it when checking validity of set instructions.
762         (want_to_gcse_p): Pass mode to can_assign_to_reg_without_clobbers_p.
763         (compute_ld_motion_mems): Update can_assign_to_reg_without_clobbers_p
764         callsite.
765         * rtl.h (can_assign_to_reg_without_clobbers_p): Update prototype.
766         * store-motion.c (find_moveable_store): Update
767         can_assign_to_reg_without_clobbers_p callsite.
769 2016-02-24  Richard Biener  <rguenther@suse.de>
771         PR middle-end/68963
772         * tree-ssa-loop-niter.c (derive_constant_upper_bound_ops): Fix
773         bogus check.
774         (record_nonwrapping_iv): Do not fall back to the low/high bound
775         for non-constant IV bases if the stmt is not always executed.
777 2016-02-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
779         * config/arm/arm-cores.def (cortex-a32): New entry.
780         * config/arm/arm-tables.opt: Regenerate.
781         * config/arm/arm-tune.md: Regenerate.
782         * config/arm/bpabi.h (BE8_LINK_SPEC): Add mcpu=cortex-a32.
783         * config/arm/t-aprofile: Handle mcpu=cortex-a32.
784         * doc/invoke.texi (ARM Options): Document cortex-a32 as value
785         for -mcpu and -mtune.
787 2016-02-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
789         PR target/69875
790         * config/arm/arm.h (TARGET_HAVE_LPAE): Define.
791         * config/arm/unspecs.md (VUNSPEC_LDRD_ATOMIC): New value.
792         * config/arm/sync.md (arm_atomic_loaddi2_ldrd): New pattern.
793         (atomic_loaddi_1): Delete.
794         (atomic_loaddi): Rewrite expander using the above changes.
796 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
798         PR c/69918
799         * params.def (PARAM_MAX_SSA_NAME_QUERY_DEPTH): Bump default from
800         2 to 3.
802 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
803             Richard Biener  <rguenth@suse.de>
805         PR middle-end/69909
806         * expr.c (expand_expr_real_1) <normal_inner_ref>: Avoid
807         set_mem_attributes if tem is SSA_NAME which got expanded
808         as a MEM.
810 2016-02-24  Richard Biener  <rguenther@suse.de>
812         PR tree-optimization/69907
813         * tree-vect-stmts.c (vectorizable_load): Check for gaps at the
814         end of permutations for BB vectorization.
816 2016-02-24  Christian Bruel  <christian.bruel@st.com>
818         * config/arm/arm-c.c (arm_option_override): Initialize
819         target_option_current_node.
820         * config/arm/arm.c (arm_pragma_target_parse): Replace
821         build_target_option_node call by target_option_current_node.
822         Set target_option_current_node.
823         Fix comments.
825 2016-02-23  David Edelsohn  <dje.gcc@gmail.com>
827         PR target/69810
828         * config/rs6000/rs6000.md (zero_extendqi<mode>2_dot): Convert from
829         define_insn_and_split to define_insn.
830         (zero_extendqi<mode>2_dot2): Same.
831         (extendqi<mode>2_dot): Same.
832         (extendqi<mode>2_dot2): Same.
834 2016-02-23  Evandro Menezes  <e.menezes@samsung.com>
836         * config/arm/exynos-m1.md: Change cost of STP, fix bypass for stores
837         and add bypass for AES{D,E} and AESMC pairs.
838         * config/aarch64/aarch64.c (exynosm1_tunings): Enable fusion of AES{D,E}
839         and AESMC pairs.
841 2016-02-23  Evandro Menezes  <e.menezes@samsung.com>
843         * config/aarch64/aarch64.c (exynosm1_tunings): Enable the Newton
844         series for reciprocal square root in Exynos M1.
846 2016-02-23  Martin Sebor  <msebor@redhat.com>
848         PR c/69759
849         * doc/extend.texi (Other Builtins): Document __builtin_alloca and
850         __builtin_alloca_with_align.
852 2016-02-23  Richard Henderson  <rth@redhat.com>
854         * config/i386/i386-c.c (ix86_target_macros): Remove __SEG_TLS.
855         (ix86_register_pragmas): Remove __seg_tls.
856         * config/i386/i386-protos.h (ADDR_SPACE_SEG_TLS): Remove.
857         * config/i386/i386.c (ix86_print_operand_address_as): Don't handle it.
858         (ix86_addr_space_subset_p, TARGET_ADDR_SPACE_SUBSET_P): Remove.
859         (ix86_addr_space_convert, TARGET_ADDR_SPACE_CONVERT): Remove.
860         (ix86_addr_space_debug, TARGET_ADDR_SPACE_DEBUG): Remove.
861         * doc/extend.texi (__seg_tls): Remove item.
863 2016-02-23  Richard Biener  <rguenther@suse.de>
865         * alloc-pool.h (struct allocation_object): Make id member
866         conditional on CHECKING_P again.
867         (get_instance): Adjust.
868         (base_pool_allocator): Likewise.
870 2016-02-23  Thomas Schwinge  <thomas@codesourcery.com>
872         * tree-parloops.c (create_parallel_loop, gen_parallel_loop)
873         (parallelize_loops): In OpenACC kernels mode, set n_threads to
874         zero.
875         (pass_parallelize_loops::gate): In OpenACC kernels mode, gate on
876         flag_openacc.
877         * tree-ssa-loop.c (gate_oacc_kernels): Likewise.
879 2016-02-23  Richard Biener  <rguenther@suse.de>
881         * mem-stats.h (struct mem_usage): Use PRIu64 for printing size_t.
882         * bitmap.h (struct bitmap_usage): Likewise.
883         (bitmap_move): Declare.
884         * bitmap.c (register_overhead): Take size_t argument.
885         (bitmap_move): New function.
886         * df-problems.c (df_rd_transfer_function): Use bitmap_move
887         to properly account overhead.
888         * tree.c (free_node): Use tree_size.
890 2016-02-23  Jakub Jelinek  <jakub@redhat.com>
892         PR c++/69902
893         * fold-const.c (fold_truth_not_expr): Propagate TREE_NO_WARNING
894         when inverting comparison.
896         PR c/69900
897         * common.opt (Wunreachable-code): Add Warning flag.
899 2016-02-23  Mark Wielaard  <mjw@redhat.com>
900             Jakub Jelinek  <jakub@redhat.com>
902         PR c/69911
903         * cgraphunit.c (check_global_declaration): Check main_input_filename
904         and DECL_SOURCE_FILE are not NULL.
906 2016-02-23  Martin Jambor  <mjambor@suse.cz>
908         PR tree-optimization/69666
909         * tree-sra.c (sra_modify_assign): Do not attempt to create
910         default_def replacements for unscalarizable regions.
912 2016-02-20  Mark Wielaard  <mjw@redhat.com>
914         PR c/28901
915         * cgraphunit.c (check_global_declaration): Check level of
916         warn_unused_const_variable and main_input_filename.
917         * doc/invoke.texi (Warning Options): Add -Wunused-const-variable=.
918         (-Wunused-variable): For C implies -Wunused-const-variable=1.
919         (-Wunused-const-variable): Explain levels 1 and 2.
921 2016-02-22  Jakub Jelinek  <jakub@redhat.com>
923         PR target/69888
924         * config/i386/i386.c (decide_alg): Ensure we don't recurse with
925         identical arguments.  Formatting and spelling fixes.
927         PR target/69885
928         * doc/md.texi (ashl@var{m}3): Document that mode of operand 2 must
929         be specified.
931         PR target/69894
932         PR target/69895
933         * config/m68k/t-opts (OPTIONS_H_EXTRA): Add m68k-microarchs.def
934         and m68k-devices.def.
935         * config/c6x/t-c6x (OPTIONS_H_EXTRA): Add c6x-isas.def.
936         * config/aarch64/t-aarch64 (OPTIONS_H_EXTRA): Add aarch64-arches.def.
938 2016-02-22  Cesar Philippidis  <cesar@codesourcery.com>
940         * config/nvptx/nvptx.c (nvptx_gen_shuffle): Add support for QImode
941         and HImode registers.
943 2016-02-22  Richard Biener  <rguenther@suse.de>
945         PR tree-optimization/69882
946         * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Properly
947         preserve permutations present because of gaps.
948         (vect_supported_load_permutation_p): Always continue checking
949         permutations after vect_attempt_slp_rearrange_stmts.
951 2016-02-22  Bin Cheng  <bin.cheng@arm.com>
953         * tree-vect-loop.c (vect_estimate_min_profitable_iters): Dump
954         min_profitable_estimate, rather than min_profitable_iters.
956 2016-02-22  Jakub Jelinek  <jakub@redhat.com>
958         PR target/69885
959         * config/m68k/m68k.md (ashldi3, ashrdi3, lshrdi3): Use
960         SImode for last match_operand.
962 2016-02-22  Martin Liska  <mliska@suse.cz>
964         * hsa-gen.c (gen_hsa_clrsb): In case of zero value,
965         return bitsize - 1 as the return value.
967 2016-02-22  Oleg Endo  <olegendo@gcc.gnu.org>
969         PR target/69806
970         PR target/54089
971         * config/sh/sh.c (sh_lshrsi_clobbers_t_reg_p, sh_dynamicalize_shift_p):
972         Handle negative shift counts.
973         * config/sh/sh.md (ashlsi3, lshrsi3_n, lshrsi3_n_clobbers_t): Don't use
974         force_reg on the shift constant.
975         (lshrsi3): Likewise.  Expand into lshrsi3_n* instead of lshrsi3_d.
976         (lshrsi3_d): Handle negative shift counts.
978 2016-02-22  Richard Biener  <rguenther@suse.de>
979             Tom de Vries  <tom@codesourcery.com>
981         * graph.c: Include dumpfile.h.
982         (print_graph_cfg): Split into three overloads.
983         * gdbhooks.py (class DotFn): Add and instantiate, adding command dot-fn.
985 2016-02-22  Tom de Vries  <tom@codesourcery.com>
987         * gdbhooks.py (class DumpFn): Add and instantiate, adding command
988         dump-fn.
990 2016-02-22  Richard Biener  <rguenther@suse.de>
992         PR ipa/37448
993         * ipa-inline-transform.c (inline_call): When not updating
994         overall summaries adjust self size by the growth estimate.
995         * ipa-inline.c (inline_to_all_callers_1): Add to the callers
996         hash-set, do not update overall summaries here.  Renamed from ...
997         (inline_to_all_callers): ... this which is now wrapping the
998         above and performing delayed overall summary update.
999         (early_inline_small_functions): Delay updating of the overall
1000         summary.
1002 2016-02-21  Markus Trippelsdorf  <markus@trippelsdorf.de>
1004         * tree-chkp.c (chkp_mark_invalid_bounds_walker): Initialize
1005         variable.
1007 2016-02-19  Jakub Jelinek  <jakub@redhat.com>
1009         PR driver/69805
1010         * gcc.c (LINK_COMMAND_SPEC, GOMP_SELF_SPECS): Use
1011         :%* in %:gt() argument.
1012         (greater_than_spec_func): Adjust for expecting only numbers,
1013         if there are more than two numbers, compare the last two.
1015 2016-02-19  Jonathan Wakely  <jwakely@redhat.com>
1017         * doc/invoke.texi (C++ Dialect Options): Clarify interaction of
1018         -Wnarrowing with -std.
1020 2016-02-19  Jakub Jelinek  <jakub@redhat.com>
1022         PR c++/69851
1023         * expr.c (store_field): Don't use bit-field path if exp is
1024         COMPONENT_REF with TREE_ADDRESSABLE type, where TYPE_SIZE is
1025         different from bitsize, but DECL_SIZE of FIELD_DECL is bitsize
1026         and the assignment can be performed by bitwise copy.  Formatting
1027         fix.
1029         PR middle-end/69838
1030         * lra.c (lra_process_new_insns): If non-call exceptions are enabled,
1031         call copy_reg_eh_region_note_forward on before and/or after sequences
1032         and remove note from insn if it no longer can throw.
1034         PR target/69820
1035         * config/i386/sse.md (VI_512): Only include V64QImode and V32HImode
1036         if TARGET_AVX512BW.
1038 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
1040         * config/s390/vector.md: Add missing commutative operand markers
1041         to the patterns which qualify for one.
1042         * config/s390/vx-builtins.md: Likewise.
1044 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
1046         * config/s390/vector.md (VI, VI_QHS): Add single element vector
1047         types to mode iterators.
1048         (vec_double): ... and mode attribute.
1049         * config/s390/vx-builtins.md (non_vec_int): Likewise.
1051 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
1053         * config/s390/vector.md ("<ti*>add<mode>3", "<ti*>sub<mode>3"):
1054         Change the predicate of op2 from nonimmediate to general and let
1055         reload fix it if necessary.
1057 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
1059         * config/s390/vecintrin.h (vec_sub_u128): Define missing macro.
1061 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
1063         * config/s390/s390.c (s390_expand_vcond): Use the compare operand
1064         mode.
1066 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
1068         * config/s390/s390-protos.h: Add s390_expand_vec_movstr prototype.
1069         * config/s390/s390.c (s390_expand_vec_movstr): New function.
1070         * config/s390/s390.md ("movstr<P:mode>"): Call
1071         s390_expand_vec_movstr.
1073 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
1075         * config/s390/s390.md: Add missing output modifier for operand 1
1076         to print it as address properly.
1078 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
1080         * config/s390/2827.md: Rename ooo_* insn attributes to zEC12_*.
1081         * config/s390/2964.md: New file.
1082         * config/s390/s390.c (s390_get_sched_attrmask): Use the right set
1083         of insn grouping attributes depending on the CPU level.
1084         (s390_get_unit_mask): New function.
1085         (s390_sched_score): Remove the OOO from the scheduling macros.
1086         Add loop to calculate a score for the instruction mix.
1087         (s390_sched_reorder): Likewise plus improve debug output.
1088         (s390_sched_variable_issue): Rename macros as above.  Calculate
1089         the unit distances after actually scheduling an insn.  Improve
1090         debug output.
1091         (s390_sched_init): Clear last_scheduled_unit_distance array.
1092         * config/s390/s390.md: Include 2964.md.
1094 2016-02-18  Jakub Jelinek  <jakub@redhat.com>
1096         PR target/69671
1097         * config/i386/sse.md (*<floatsuffix>floatv2div2sf2_mask_1,
1098         *avx512vl_<code>v2div2qi2_mask_1, *avx512vl_<code><mode>v4qi2_mask_1,
1099         *avx512vl_<code><mode>v8qi2_mask_1, *avx512vl_<code><mode>v4hi2_mask_1,
1100         *avx512vl_<code>v2div2hi2_mask_1, *avx512vl_<code>v2div2si2_mask_1,
1101         *avx512f_<code>v8div16qi2_mask_1): New insns.
1103 2016-02-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
1105         PR target/68404
1106         * config/rs6000/predicates.md (fusion_gpr_addis): Revert
1107         2016-02-09 change.
1109         * config/rs6000/rs6000.md (fusion_gpr_load_<mode>): Remove
1110         earlyclobber from target.  Use wF constraint for fused memory
1111         address.
1112         (fusion_gpr_<P:mode>_<GPR_FUSION:mode>_load): Likewise.
1114 2016-02-18  Jakub Jelinek  <jakub@redhat.com>
1115             Martin Liska  <mliska@suse.cz>
1117         PR sanitizer/69863
1118         * cfgexpand.c (asan_sanitize_stack_p): New function.
1119         (partition_stack_vars): Use the function.
1120         (expand_stack_vars): Likewise.
1121         (defer_stack_allocation): Likewise.
1122         (expand_used_vars): Likewise.
1124 2016-02-18  Richard Biener  <rguenther@suse.de>
1126         PR middle-end/69553
1127         * fold-const.c (operand_equal_p): Properly compare offsets for
1128         IMAGPART_EXPR and ARRAY_REF.
1130 2016-02-18  Nick Clifton  <nickc@redhat.com>
1132         PR target/62254
1133         PR target/69610
1134         * config/arm/arm.c (arm_option_override_internal): Disable
1135         interworking if the target does not support thumb instructions.
1136         (arm_reload_in_hi): Handle the case where a register to register
1137         move needs reloading because there is no simple pattern to handle
1138         it.
1139         (arm_reload_out_hi): Likewise.
1141 2016-02-18  Richard Biener  <rguenther@suse.de>
1143         PR middle-end/69854
1144         * match.pd: Don't use fold_binary or fold_unary for folding
1145         constants.
1147 2016-02-17  Jakub Jelinek  <jakub@redhat.com>
1149         PR c++/69850
1150         * gimplify.c (gimplify_cond_expr): Call gimple_set_no_warning
1151         on the cond_stmt from TREE_NO_WARNING on COND_EXPR_COND.
1152         * gimple-ssa-nonnull-compare.c (do_warn_nonnull_compare): Don't
1153         warn on gimple_no_warning_p statements.
1155 2016-02-17  Jonathan Wakely  <jwakely@redhat.com>
1157         * doc/extend.texi (C++ Attributes): Correct description of
1158         warn_unused type attribute.
1160 2016-02-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1162         * config/rs6000/altivec.md (*altivec_lvxl_<mode>_internal): Output
1163         correct instruction.
1165 2016-02-17  Richard Biener  <rguenther@suse.de>
1167         PR rtl-optimization/69609
1168         * bb-reorder.c (struct bbro_basic_block_data): Add priority member.
1169         (find_traces_1_round): When ending a trace update cached priority
1170         of successors.
1171         (bb_to_key): Use cached priority when available.
1172         (copy_bb): Initialize cached priority.
1173         (reorder_basic_blocks_software_trace_cache): Likewise.
1175 2016-02-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1177         PR target/69161
1178         * config/aarch64/predicates.md (aarch64_comparison_operator_mode):
1179         New predicate.
1180         (aarch64_comparison_operator): Break overly long line into two.
1181         (aarch64_comparison_operation): Likewise.
1182         * config/aarch64/aarch64.md (cstorecc4): Use
1183         aarch64_comparison_operator_mode instead of
1184         aarch64_comparison_operator.
1185         (cstore<mode>4): Likewise.
1186         (aarch64_cstore<mode>): Likewise.
1187         (*cstoresi_insn_uxtw): Likewise.
1188         (cstore<mode>_neg): Likewise.
1189         (*cstoresi_neg_uxtw): Likewise.
1191 2016-02-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1193         PR target/69161
1194         * config/arm/predicates.md (arm_comparison_operator_mode):
1195         New predicate.
1196         * config/arm/arm.md (*mov_scc): Use arm_comparison_operator_mode
1197         instead of arm_comparison_operator.
1198         (*mov_negscc): Likewise.
1199         (*mov_notscc): Likewise.
1200         * config/arm/thumb2.md (*thumb2_mov_scc): Likewise.
1201         (*thumb2_mov_negscc): Likewise.
1202         (*thumb2_mov_negscc_strict_it): Likewise.
1203         (*thumb2_mov_notscc): Likewise.
1204         (*thumb2_mov_notscc_strict_it): Likewise.
1206 2016-02-17  Wilco Dijkstra  <wdijkstr@arm.com>
1208         * config/aarch64/aarch64.c (aarch64_internal_mov_immediate):
1209         Add missing return.
1211 2016-02-17  Eric Botcazou  <ebotcazou@adacore.com>
1213         * config/visium/visium.c (machine_libfunc_index): New enum.
1214         (machine_libfuncs): New structure.
1215         (visium_libfuncs): New static variable.
1216         (TARGET_INIT_LIBFUNCS): Define to...
1217         (visium_init_libfuncs): ...this.  New function.
1218         (expand_block_move_4): Use the appropriate libfunc.
1219         (expand_block_move_2): Likewise.
1220         (expand_block_move_1): Likewise.
1221         (expand_block_set_4): Likewise.
1222         (expand_block_set_2): Likewise.
1223         (expand_block_set_1): Likewise.
1224         (visium_trampoline_init): Likewise.
1226 2016-02-17  Nick Clifton  <nickc@redhat.com>
1228         * config/msp430/msp430.c (msp430_mcu_data): Sync with data from
1229         TI's devices.csv file as of March 2016.
1231 2016-02-16  Kelvin Nilsen  <kelvin@gcc.gnu.org>
1233         PR Target/48344
1234         * opts-global.c (handle_common_deferred_options): Introduce and
1235         initialize two global variables to remember command-line options
1236         specifying a stack-limiting register.
1237         * opts.h: Add extern declarations of the two new global variables.
1238         * emit-rtl.c (init_emit_once): Initialize the stack_limit_rtx
1239         variable based on the values of the two new global variables.
1241 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
1243         PR c/69835
1244         * common.opt (Wnonnull-compare): New warning.
1245         * doc/invoke.texi (-Wnonnull): Remove text about comparison
1246         of arguments against NULL.
1247         (-Wnonnull-compare): Document.
1248         * Makefile.in (OBJS): Add gimple-ssa-nonnull-compare.o.
1249         * tree-pass.h (make_pass_warn_nonnull_compare): Declare.
1250         * passes.def (pass_warn_nonnull_compare): Add.
1251         * gimple-ssa-nonnull-compare.c: New file.
1253 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
1255         * config/aarch64/aarch64.c (cortexa57_tunings): Remove
1256         AARCH64_EXTRA_TUNE_RECIP_SQRT.
1258 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
1260         * config/aarch64/aarch64.c (use_rsqrt_p): Always use software
1261         reciprocal sqrt for -mlow-precision-recip-sqrt.
1263 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
1264             Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1266         * config/aarch64/aarch64.c (aarch64_expand_vector_init): Refactor,
1267         always use lane loads to construct non-constant vectors.
1269 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
1271         * config/aarch64/aarch64.md
1272         (arch64_sqrdml<SQRDMLH_AS:rdma_as>h_lane<mode>): Fix register
1273         constraints for operand 3.
1274         (aarch64_sqrdml<SQRDMLH_AS:rdma_as>h_laneq<mode>): Likewise.
1276 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
1277             Richard Biener  <rguenther@suse.de>
1279         PR tree-optimization/69820
1280         * tree-vect-patterns.c (type_conversion_p): Return false if
1281         *orig_type is unsigned single precision or boolean.
1282         (vect_recog_dot_prod_pattern, vect_recog_widen_mult_pattern):
1283         Formatting fix.
1285 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
1287         PR rtl-optimization/69764
1288         PR rtl-optimization/69771
1289         * optabs.c (expand_binop): Ensure for shift optabs invalid CONST_INT
1290         op1 is valid for GET_MODE_INNER (mode) and force it into a reg.
1292 2016-02-16  Richard Biener  <rguenther@suse.de>
1294         PR tree-optimization/69776
1295         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Get alias
1296         sets from caller.
1297         (indirect_refs_may_alias_p): Likewise.
1298         (refs_may_alias_p_1): Pass alias sets as from ao_ref.
1299         * tree-ssa-sccvn.c (vn_reference_lookup): Also adjust vr alias-set
1300         according to tbaa_p.
1301         * tree-ssa-dom.c (lookup_avail_expr): Add tbaa_p flag.
1302         (optimize_stmt): For redundant store discovery do not allow tbaa.
1304 2016-02-16  Bernd Schmidt  <bschmidt@redhat.com>
1306         PR tree-optimization/69714
1307         * tree-ssa-math-opts.c (find_bswap_or_nop): Revert previous change.
1308         Return NULL if we have irrelevant high bytes on BIG_ENDIAN.
1310 2016-02-16  Claudiu Zissulescu  <claziss@synopsys.com>
1312         * config/arc/arc-modes.def (CC_FPU, CC_FPU_UNEQ): New modes.
1313         * config/arc/arc-opts.h (FPU_SP, FPU_SF, FPU_SC, FPU_SD, FPU_DP)
1314         (FPU_DF, FPU_DC, FPU_DD, FXP_DP): Define.
1315         * config/arc/arc.c (arc_init): Check FPU options.
1316         (get_arc_condition_code): Handle new CC_FPU* modes.
1317         (arc_select_cc_mode): Likewise.
1318         (arc_conditional_register_usage): Allow 64 bit datum into even-odd
1319         register pair only. Allow access for ARCv2 accumulator.
1320         (gen_compare_reg): Whenever we have FPU support use FPU compare
1321         instructions.
1322         (arc_reorg): Don't generate brcc insns when FPU compare
1323         instructions are involved.
1324         * config/arc/arc.h (TARGET_DPFP): Add TARGET_FP_DPAX condition.
1325         (TARGET_OPTFPE): Add condition when ARC EM can use optimized
1326         floating point emulation.
1327         (ACC_REG_FIRST, ACC_REG_LAST, ACCL_REGNO, ACCH_REGNO): Define.
1328         (REVERSE_CONDITION): Add new CC_FPU* modes.
1329         (TARGET_FP_SP_BASE): Define.
1330         (TARGET_FP_DP_BASE): Likewise.
1331         (TARGET_FP_SP_FUSED): Likewise.
1332         (TARGET_FP_DP_FUSED): Likewise.
1333         (TARGET_FP_SP_CONV): Likewise.
1334         (TARGET_FP_DP_CONV): Likewise.
1335         (TARGET_FP_SP_SQRT): Likewise.
1336         (TARGET_FP_DP_SQRT): Likewise.
1337         (TARGET_FP_DP_AX): Likewise.
1338         * config/arc/arc.md (ARCV2_ACC): New constant.
1339         (type): New fpu type attribute.
1340         (SDF): Conditional iterator.
1341         (cstore<mode>, cbranch<mode>): Change expand condition.
1342         (addsf3, subsf3, mulsf3, adddf3, subdf3, muldf3): New expands,
1343         handles FPU/FPX cases as well.
1344         * config/arc/arc.opt (mfpu): New option.
1345         * config/arc/fpx.md (addsf3_fpx, subsf3_fpx, mulsf3_fpx):
1346         Renamed.
1347         (adddf3, muldf3, subdf3): Removed.
1348         * config/arc/predicates.md (proper_comparison_operator): Recognize
1349         CC_FPU* modes.
1350         * config/arc/fpu.md: New file.
1351         * doc/invoke.texi (ARC Options): Document mfpu option.
1353 2016-02-16  Richard Biener  <rguenther@suse.de>
1355         PR rtl-optimization/69291
1356         * ifcvt.c (noce_try_store_flag_constants): Re-instantiate
1357         noce_operand_ok check.
1359 2016-02-16  Tom de Vries  <tom@codesourcery.com>
1361         PR lto/67709
1362         * omp-low.c (simd_clone_create): Remove call to
1363         symtab->call_cgraph_insertion_hooks.
1365 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
1367         PR tree-optimization/69802
1368         * tree-ssa-reassoc.c (update_range_test): If op is
1369         SSA_NAME_IS_DEFAULT_DEF, give up unless tem is a positive
1370         op == 1 test of precision 1 integral op, otherwise handle
1371         that case as op itself.  Fix up formatting.
1372         (optimize_range_tests_to_bit_test, optimize_range_tests): Fix
1373         up formatting.
1375 2016-02-16  Richard Biener  <rguenther@suse.de>
1377         PR tree-optimization/69586
1378         * tree-vrp.c (register_edge_assert_for_2): Handle all integral
1379         types for conversion sources.
1381 2016-02-16  Richard Biener  <rguenther@suse.de>
1383         PR middle-end/69801
1384         * fold-const.c (operand_equal_p): For COND_EXPR zero operand
1385         mask OEP_ADDRESS_OF.
1387 2016-02-16  Alan Modra  <amodra@gmail.com>
1389         PR target/68973
1390         * config/rs6000/rs6000.md (reload_vsx_from_gprsf): Rewrite splitter.
1391         (p8_mtvsrd_df, p8_mtvsrd_sf): New.
1392         (p8_mtvsrd_1, p8_mtvsrd_2): Delete.
1393         (p8_mtvsrwz): New.
1394         (p8_mtvsrwz_1, p8_mtvsrwz_2): Delete.
1395         (p8_xxpermdi_<mode>): Take two DF inputs rather than one TF.
1396         (p8_fmrgow_<mode>): Likewise.
1397         (reload_vsx_from_gpr<mode>): Make clobber IF.  Adjust for above
1398         changes.
1399         (reload_fpr_from_gpr<mode>): Similarly. Use "d" for op0 constraint.
1400         (reload_vsx_from_gprsf): Use p8_mtvsrd_sf rather than attempting
1401         to use movdi_internal64.  Remove op0_di.
1402         * config/rs6000/vsx.md (vsx_xscvspdpn_directmove): Make op1 SFmode.
1404 2016-02-15  Evandro Menezes  <e.menezes@samsung.com>
1406         Add support for the FCCMP insn types
1408         * config/aarch64/aarch64.md (fccmp): Change insn type.
1409         (fccmpe): Likewise.
1410         * config/aarch64/thunderx.md (thunderx_fcmp): Add "fccmp{s,d}" types.
1411         * config/arm/cortex-a53.md (cortex_a53_fpalu): Likewise.
1412         * config/arm/cortex-a57.md (cortex_a57_fp_cmp): Likewise.
1413         * config/arm/xgene1.md (xgene1_fcmp): Likewise.
1414         * config/arm/exynos-m1.md (exynos_m1_fp_ccmp): New insn reservation.
1415         * config/arm/types.md (fccmps): Add new insn type.
1416         (fccmpd): Likewise.
1418 2016-02-15  Bernd Edlinger  <bernd.edlinger@hotmail.de>
1420         * alias.c (get_alias_set): Fix a typo in comment.
1422 2016-02-15  Richard Biener  <rguenther@suse.de>
1424         PR tree-optimization/69595
1425         * match.pd: Complete range test simplification to true.
1427 2016-02-15  Bernd Schmidt  <bschmidt@redhat.com>
1429         PR rtl-optimization/69648
1430         * lra-constraints.c (update_ebb_live_info): Don't remove sets of
1431         pic_offset_table_rtx.
1433         PR rtl-optimization/69752
1434         * ira.c (update_equiv_regs): When looking for more than a single SET,
1435         also take other side effects into account.
1437 2016-02-15  Marcin Kościelnicki  <koriakin@0x04.net>
1439         * config/s390/s390.c (s390_function_profiler): Add a new sequence
1440         for z900+ CPUs in 31-bit mode.
1442 2016-02-15  Marcin Kościelnicki  <koriakin@0x04.net>
1444         * common/config/s390/s390-common.c (s390_supports_split_stack):
1445         New function.
1446         (TARGET_SUPPORTS_SPLIT_STACK): New macro.
1447         * config/s390/s390-protos.h: Add s390_expand_split_stack_prologue.
1448         * config/s390/s390.c (struct machine_function): New field
1449         split_stack_varargs_pointer.
1450         (s390_register_info): Mark r12 as clobbered if it'll be used as temp
1451         in s390_emit_prologue.
1452         (s390_emit_prologue): Use r12 as temp if r1 is taken by split-stack
1453         vararg pointer.
1454         (morestack_ref): New global.
1455         (SPLIT_STACK_AVAILABLE): New macro.
1456         (s390_expand_split_stack_prologue): New function.
1457         (s390_live_on_entry): New function.
1458         (s390_va_start): Use split-stack vararg pointer if appropriate.
1459         (s390_asm_file_end): Emit the split-stack note sections.
1460         (TARGET_EXTRA_LIVE_ON_ENTRY): New macro.
1461         * config/s390/s390.md (UNSPEC_STACK_CHECK): New unspec.
1462         (UNSPECV_SPLIT_STACK_CALL): New unspec.
1463         (UNSPECV_SPLIT_STACK_DATA): New unspec.
1464         (split_stack_prologue): New expand.
1465         (split_stack_space_check): New expand.
1466         (split_stack_data): New insn.
1467         (split_stack_call): New expand.
1468         (split_stack_call_*): New insn.
1469         (split_stack_cond_call): New expand.
1470         (split_stack_cond_call_*): New insn.
1472 2016-02-15  Richard Biener  <rguenther@suse.de>
1474         PR tree-optimization/69783
1475         * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
1476         Add trivially correct cases.
1478 2016-02-15  Tom de Vries  <tom@codesourcery.com>
1480         PR lto/69655
1481         * lto-cgraph.c (input_offload_tables): Add and handle bool parameter
1482         do_force_output.
1483         * lto-streamer.h (input_offload_tables): Add and handle bool parameter.
1485 2016-02-15  Richard Biener  <rguenther@suse.de>
1487         PR tree-optimization/69776
1488         * tree-ssa-sccvn.h (vn_reference_lookup): Adjust prototype.
1489         * tree-ssa-sccvn.c (vn_reference_lookup): Add parameter to
1490         indicate whether we can use TBAA to disambiguate against stores.
1491         Use alias-set zero if not.
1492         (visit_reference_op_store): Do not use TBAA when looking up
1493         redundant stores.
1494         * tree-ssa-pre.c (compute_avail): Use TBAA here.
1495         (eliminate_dom_walker::before_dom_children): But not when looking
1496         up redundant stores.
1498 2016-02-14  John David Anglin  <danglin@gcc.gnu.org>
1500         * config/pa/pa.md (absqi2, absghi2, bswaphi2, bswapsi2, bswapdi2): New.
1502 2016-02-14  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
1504         *  config/i386/znver1.md
1505         (znver1_pop, znver1_pop_mem,
1506         znver1_load_imov_double_store,
1507         znver1_load_imov_direct_store,
1508         znver1_load_imov_direct_load,
1509         znver1_load_imov_double_load): Add new.
1510         (znver1_insn, znver1_insn_load): Add icmov type.
1511         (znver1_sseavx_fma,
1512         znver1_sseavx_fma_load,
1513         znver1_avx256_fma,
1514         znver1_avx256_fma_load): Fix pipe usage.
1516 2016-02-14  Alan Modra  <amodra@gmail.com>
1518         PR target/68973
1519         * reloads.c (find_reloads_address_1): For pre/post-inc/dec
1520         with an invalid hard reg, reload just the reg not the entire
1521         pre/post-inc/dec address expression.
1523 2016-02-13  Oleg Endo  <olegendo@gcc.gnu.org>
1525         PR target/67260
1526         * config/sh/sh.md (sibcall_value_pcrel): Replace =&k scratch reg with
1527         fixed R1_REG scratch reg.
1528         (sibcall_value_pcrel_fdpic): Likewise.
1530 2016-02-13  Oleg Endo  <olegendo@gcc.gnu.org>
1532         PR target/67636
1533         PR target/64345
1534         * config/sh/sh.md (*zero_extract_3): New insn_and_split pattern.
1536 2016-02-12  Walter Lee  <walt@tilera.com>
1538         * config/tilepro/t-tilepro: Replace CC_FOR_BUILD with CXX_FOR_BUILD.
1539         * config/tilegx/t-tilegx: Likewise.
1541 2016-02-12  David Malcolm  <dmalcolm@redhat.com>
1543         PR other/69554
1544         * diagnostic-show-locus.c (struct line_span): New struct.
1545         (layout::get_first_line): Delete.
1546         (layout::get_last_line): Delete.
1547         (layout::get_num_line_spans): New member function.
1548         (layout::get_line_span): Likewise.
1549         (layout::print_heading_for_line_span_index_p): Likewise.
1550         (layout::get_expanded_location): Likewise.
1551         (layout::calculate_line_spans): Likewise.
1552         (layout::m_first_line): Delete.
1553         (layout::m_last_line): Delete.
1554         (layout::m_line_spans): New field.
1555         (layout::layout): Update comment.  Replace m_first_line and
1556         m_last_line with m_line_spans, replacing their initialization
1557         with a call to calculate_line_spans.
1558         (diagnostic_show_locus): When printing source lines and
1559         annotations, rather than looping over a single span
1560         of lines, instead loop over each line_span within
1561         the layout, with an inner loop over the lines within them.
1562         Call the context's start_span callback when changing line spans.
1563         * diagnostic.c (diagnostic_initialize): Initialize start_span.
1564         (diagnostic_build_prefix): Break out the building of the location
1565         part of the string into...
1566         (diagnostic_get_location_text): ...this new function, rewriting
1567         it from nested ternary expressions to a sequence of "if"
1568         statements.
1569         (default_diagnostic_start_span_fn): New function.
1570         * diagnostic.h (diagnostic_start_span_fn): New typedef.
1571         (diagnostic_context::start_span): New field.
1572         (default_diagnostic_start_span_fn): New prototype.
1574 2016-02-12  David Malcolm  <dmalcolm@redhat.com>
1576         PR driver/69779
1577         * gcc.c (driver::finalize): Fix cleanup of "specs".
1579 2016-02-12  David Malcolm  <dmalcolm@redhat.com>
1581         PR driver/69265
1582         PR driver/69453
1583         * gcc.c (driver::driver): Initialize m_option_suggestions.
1584         (driver::~driver): Clean up m_option_suggestions.
1585         (suggest_option): Convert to...
1586         (driver::suggest_option): ...this, and split out into
1587         driver::build_option_suggestions and find_closest_string.
1588         (driver::build_option_suggestions): New function, from
1589         first half of suggest_option.  Special-case
1590         OPT_fsanitize_ and OPT_fsanitize_recover_, making use of
1591         the sanitizer_opts array.  For options of enum types, add the
1592         various enum values to the candidate strings.
1593         (driver::handle_unrecognized_options): Remove "const".
1594         * gcc.h (driver::handle_unrecognized_options): Likewise.
1595         (driver::build_option_suggestions): New decl.
1596         (driver::suggest_option): New decl.
1597         (driver::m_option_suggestions): New field.
1598         * opts-common.c (add_misspelling_candidates): New function.
1599         * opts.c (sanitizer_opts): Remove decl of struct sanitizer_opts_s
1600         and make non-static.
1601         * opts.h (sanitizer_opts): New array decl.
1602         (add_misspelling_candidates): New function decl.
1603         * spellcheck.c (find_closest_string): New function.
1604         * spellcheck.h (find_closest_string): New function decl.
1606 2016-02-12  Jakub Jelinek  <jakub@redhat.com>
1608         PR rtl-optimization/69764
1609         PR rtl-optimization/69771
1610         * optabs.c (expand_binop_directly): For shift_optab_p, force
1611         convert_modes with VOIDmode if xop1 has VOIDmode.
1613 2016-02-12  Ilya Enkovich  <enkovich.gnu@gmail.com>
1615         PR target/69729
1616         * lto-streamer-out.c (lto_output): Use thunk.add_pointer_bounds_args
1617         to correctly determine instrumentation thunks.
1619 2016-02-12  Jakub Jelinek  <jakub@redhat.com>
1621         PR ipa/69241
1622         * ipa-split.c (split_function): If split part returns TREE_ADDRESSABLE
1623         type by reference, force lhs on the call.
1625         PR ipa/68672
1626         * ipa-split.c (split_function): Don't compute/use main_part_return_p.
1627         Compute retval and retbnd early in all cases if split_part_return_p
1628         and return_bb is not EXIT.  Remove all clobber stmts and reset
1629         all debug stmts that refer to SSA_NAMEs defined in split part,
1630         except if it is retval, in that case replace the old retval with the
1631         lhs of the call to the split part.
1633 2016-02-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
1635         revert:
1636         2016-02-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
1638         PR middle-end/66726
1639         * tree-ssa-reassoc.c (optimize_range_tests): Handle tcc_compare stmt
1640         whose result is used in PHI.
1641         (maybe_optimize_range_tests): Likewise.
1642         (final_range_test_p): Likweise.
1644 2016-02-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
1646         PR middle-end/66726
1647         * tree-ssa-reassoc.c (optimize_range_tests): Handle tcc_compare stmt
1648         whose result is used in PHI.
1649         (maybe_optimize_range_tests): Likewise.
1650         (final_range_test_p): Likweise.
1652 2016-02-12  Jakub Jelinek  <jakub@redhat.com>
1654         * cgraph.c: Spelling fixes - behaviour -> behavior and
1655         neighbour -> neighbor.
1656         * target.def: Likewise.
1657         * sel-sched.c: Likewise.
1658         * config/mips/mips.c: Likewise.
1659         * config/arc/arc.md: Likewise.
1660         * config/arm/cortex-a57.md: Likewise.
1661         * config/arm/arm.c: Likewise.
1662         * config/arm/neon.md: Likewise.
1663         * config/arm/arm-c.c: Likewise.
1664         * config/vms/vms-c.c: Likewise.
1665         * config/s390/s390.c: Likewise.
1666         * config/i386/znver1.md: Likewise.
1667         * config/i386/i386.c: Likewise.
1668         * config/ia64/hpux-unix2003.h: Likewise.
1669         * config/msp430/msp430.md: Likewise.
1670         * config/rx/rx.c: Likewise.
1671         * config/rx/rx.md: Likewise.
1672         * config/aarch64/aarch64-simd.md: Likewise.
1673         * config/aarch64/aarch64.c: Likewise.
1674         * config/nvptx/nvptx.c: Likewise.
1675         * config/bfin/bfin.c: Likewise.
1676         * config/cris/cris.opt: Likewise.
1677         * config/rs6000/rs6000.c: Likewise.
1678         * target.h: Likewise.
1679         * spellcheck.c: Likewise.
1680         * ira-build.c: Likewise.
1681         * tree-inline.c: Likewise.
1682         * builtins.c: Likewise.
1683         * lra-constraints.c: Likewise.
1684         * explow.c: Likewise.
1685         * hwint.h: Likewise.
1686         * targhooks.c: Likewise.
1687         * tree-vect-data-refs.c: Likewise.
1688         * expr.c: Likewise.
1689         * doc/tm.texi: Likewise.
1690         * doc/extend.texi: Likewise.
1691         * doc/install.texi: Likewise.
1692         * doc/md.texi: Likewise.
1693         * tree-ssa-tail-merge.c: Likewise.
1694         * sched-int.h: Likewise.
1695         * match.pd: Likewise.
1696         * sched-ebb.c: Likewise.
1697         * target.def (omit_struct_return_reg): Likewise.
1698         * gimple-ssa-isolate-paths.c: Likewise.
1699         (find_implicit_erroneous_behaviour): Renamed to...
1700         (find_implicit_erroneous_behavior): ... this.
1701         (find_explicit_erroneous_behaviour): Renamed to...
1702         (find_explicit_erroneous_behavior): ... this.
1703         (gimple_ssa_isolate_erroneous_paths): Adjust caller.
1705 2016-02-11  Segher Boessenkool  <segher@kernel.crashing.org>
1707         PR rtl-optimization/64682
1708         PR rtl-optimization/69567
1709         PR rtl-optimization/69737
1710         * combine.c (distribute_notes) <REG_DEAD>: If the register is set
1711         in I2 as well, just lose it.
1713 2016-02-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1715         * config/aarch64/aarch64.c (aarch64_last_printed_arch_string):
1716         New variable.
1717         (aarch64_last_printed_tune_string): Likewise.
1718         (aarch64_declare_function_name): Only output .arch assembler
1719         directive if it will be different from the previously output
1720         directive.  Same for .tune comment but only if -dA is set.
1721         (aarch64_start_file): New function.
1722         (TARGET_ASM_FILE_START): Define.
1724 2016-02-11  David Malcolm  <dmalcolm@redhat.com>
1726         PR plugins/69758
1727         * Makefile.in (PLUGIN_HEADERS): Add params.list.
1729 2016-02-11  Jakub Jelinek  <jakub@redhat.com>
1731         PR target/65313
1732         * tree-vect-slp.c (vect_schedule_slp_instance): Avoid
1733         -Wmaybe-uninitialized warning.
1735 2016-02-11  Oleg Endo  <olegendo@gcc.gnu.org>
1737         PR target/69713
1738         * config/sh/sh.md (casesi_worker_0): Add T_REG use.
1740 2016-02-11  Richard Biener  <rguenther@suse.de>
1742         PR rtl-optimization/69291
1743         * ifcvt.c (noce_try_store_flag_constants): Do not allow
1744         subexpressions affected by changing the result.
1746 2016-02-10  Vladimir Makarov  <vmakarov@redhat.com>
1748         PR target/69148
1749         * lra-constraints.c (curr_insn_transform): Find in/out operands
1750         for secondary memory moves.  Update dups.
1752 2016-02-10  Yuri Rumyantsev  <ysrumyan@gmail.com>
1754         PR tree-optimization/69652
1755         * tree-vect-loop.c (optimize_mask_stores): Move declaration of STMT1
1756         to nested loop, did source re-formatting, skip debug statements,
1757         add check on statement with volatile operand, remove dead scalar
1758         statements.
1760 2016-02-10  Jakub Jelinek  <jakub@redhat.com>
1761             Patrick Palka  <ppalka@gcc.gnu.org>
1763         PR ipa/69241
1764         PR c++/69649
1765         * gimplify.c (gimplify_modify_expr): Set lhs even for noreturn
1766         calls if the return type is TREE_ADDRESSABLE.
1767         * cgraphunit.c (cgraph_node::expand_thunk): Likewise.
1768         * ipa-split.c (split_function): Fix doubled "we" in comment.
1769         Use void return type for the split part even if
1770         !split_point->split_part_set_retval.
1772 2016-02-10  Bin Cheng  <bin.cheng@arm.com>
1774         PR tree-optimization/68021
1775         * tree-ssa-loop-ivopts.c (get_computation_aff): Set ratio to 1 if
1776         when computing the value of biv cand by itself.
1778 2016-02-10  Wilco Dijkstra  <wdijkstr@arm.com>
1780         * config/aarch64/aarch64.c (cortexa53_tunings): Enable AES fusion.
1781         (cortexa57_tunings): Likewise.
1782         (cortexa72_tunings): Likewise.
1783         (arch_macro_fusion_pair_p): Add support for AES fusion.
1784         * config/aarch64/aarch64-fusion-pairs.def: Add AES_AESMC entry.
1785         * config/arm/aarch-common.c (aarch_crypto_can_dual_issue):
1786         Allow virtual registers before reload so early scheduling works.
1787         * config/arm/cortex-a57.md (cortex_a57_crypto_simple): Use
1788         correct latency and pipeline.
1789         (cortex_a57_crypto_complex): Likewise.
1790         (cortex_a57_crypto_xor): Likewise.
1791         (define_bypass): Add AES bypass.
1793 2016-02-10  Richard Biener  <rguenther@suse.de>
1795         PR tree-optimization/69726
1796         * passes.def: Add DCE pass before late uninit.
1797         * match.pd: Add A ? B : (!A ? C : X) -> A ? B : C patterns to
1798         really fixup if-conversions job.
1800 2016-02-10  Wilco Dijkstra  <wdijkstr@arm.com>
1802         * config/arm/arm.c (arm_cortex_a53_tune): Enable AES fusion.
1803         (arm_cortex_a57_tune): Likewise.
1804         (aarch_macro_fusion_pair_p): Add support for AES fusion.
1805         * config/arm/arm-protos.h (fuse_ops): Add FUSE_AES_AESMC.
1807 2016-02-10  Eric Botcazou  <ebotcazou@adacore.com>
1809         * timevar.def (TV_PHASE_DBGINFO): Delete.
1810         (TV_PHASE_CHECK_DBGINFO): Likewise.
1811         * varpool.c (varpool_node::assemble_decl): Do not change timevar.
1813 2016-02-10  Richard Biener  <rguenther@suse.de>
1815         PR tree-optimization/69719
1816         * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
1817         Adjust previous fix by ensuring that dr_a1 is left of dr_a2.
1819 2016-02-09  Andrew Pinski  <apinski@cavium.com>
1821         PR tree-opt/69282
1822         * optabs-tree.c (expand_vec_cond_expr_p): Don't early return if
1823         get_vcond_mask_icode returns false.
1825 2016-02-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
1827         PR target/68404
1828         * config/rs6000/predicates.md (fusion_gpr_addis): Prevent fusing
1829         an ADDIS that adds a pointer to a large constant that sets the
1830         upper16 bits with a load operation.
1832 2016-02-09  Charles Baylis  <charles.baylis@linaro.org>
1834         PR target/68532
1835         * config/arm/arm.c (arm_evpc_neon_vzip): Allow for big endian lane
1836         order.
1837         * config/arm/arm_neon.h (vzipq_s8): Adjust shuffle patterns for big
1838         endian.
1839         (vzipq_s16): Likewise.
1840         (vzipq_s32): Likewise.
1841         (vzipq_f32): Likewise.
1842         (vzipq_u8): Likewise.
1843         (vzipq_u16): Likewise.
1844         (vzipq_u32): Likewise.
1845         (vzipq_p8): Likewise.
1846         (vzipq_p16): Likewise.
1848 2016-02-09  Charles Baylis  <charles.baylis@linaro.org>
1850         PR target/68532
1851         * config/arm/arm.c (neon_endian_lane_map): New function.
1852         (neon_vector_pair_endian_lane_map): New function.
1853         (arm_evpc_neon_vuzp): Allow for big endian lane order.
1854         * config/arm/arm_neon.h (vuzpq_s8): Adjust shuffle patterns for big
1855         endian.
1856         (vuzpq_s16): Likewise.
1857         (vuzpq_s32): Likewise.
1858         (vuzpq_f32): Likewise.
1859         (vuzpq_u8): Likewise.
1860         (vuzpq_u16): Likewise.
1861         (vuzpq_u32): Likewise.
1862         (vuzpq_p8): Likewise.
1863         (vuzpq_p16): Likewise.
1865 2016-02-11  Alexandre Oliva  <aoliva@redhat.com>
1867         PR target/69634
1868         * regstat.c (regstat_bb_compute_calls_crossed): Disregard
1869         debug insns.
1871 2016-02-09  Uros Bizjak  <ubizjak@gmail.com>
1873         * config/i386/i386.md (insv<mode>_1): Use gen_int_mode to
1874         truncate const_int operand 1 to QImode.
1876 2016-02-09  Eric Botcazou  <ebotcazou@adacore.com>
1878         * gimple-ssa-backprop.c (optimize_phi): Do not replace an argument
1879         corresponding to an abnormal edge.
1881 2016-02-09  Tom de Vries  <tom@codesourcery.com>
1883         PR tree-optimization/69599
1884         * tree-ssa-structalias.c (fndecl_maybe_in_other_partition): New
1885         function.
1886         (find_func_aliases_for_builtin_call, find_func_clobbers)
1887         (ipa_pta_execute):  Handle case that foo and foo._0 are not in same lto
1888         partition.
1890 2016-02-09  Richard Biener  <rguenther@suse.de>
1892         PR tree-optimization/69715
1893         * tree-ssa.c (execute_update_addresses_taken): Mark non-decl
1894         LHS on calls as non-rewritable.
1896 2016-02-09  Tom de Vries  <tom@codesourcery.com>
1898         PR lto/69707
1899         * lto-wrapper.c (append_diag_options): New function.
1900         (compile_offload_image): Call append_diag_options.
1902 2016-02-08  Sandra Loosemore  <sandra@codesourcery.com>
1904         PR other/69722
1905         * doc/extend.texi (Flag Output Operands): Correct sectioning.
1906         Minor copy-edit to fix verb tenses.
1908 2016-02-08  Jakub Jelinek  <jakub@redhat.com>
1910         PR tree-optimization/69209
1911         * ipa-split.c (split_function): If split part is not
1912         returning retval, retval has gimple type but is not
1913         gimple value, force it into a SSA_NAME first.
1915 2016-02-08  Nicklas Bo Jensen  <nbjensen@gmail.com>
1917         * doc/tree-ssa.texi (Preserving the virtual SSA form): Remove
1918         outdated section.
1920 2016-02-08  Jason Merrill  <jason@redhat.com>
1922         PR c++/69631
1923         * convert.c (convert_to_integer_1): Check dofold on truncation
1924         distribution.
1925         (convert_to_pointer_maybe_fold, convert_to_real_maybe_fold)
1926         (convert_to_integer_maybe_fold, convert_to_complex_maybe_fold):
1927         Rename from *_nofold.
1928         * convert.h (convert_to_pointer_nofold, convert_to_integer_nofold)
1929         (convert_to_real_nofold, convert_to_complex_nofold): New inlines.
1931 2016-02-08  Bernd Schmidt  <bschmidt@redhat.com>
1933         PR target/60410
1934         * tree.c (build_common_tree_nodes): Remove short_double argument.
1935         All callers changed.
1936         * tree.h (build_common_tree_nodes): Adjust declaration.
1937         * doc/invoke.texi (-fshort-double): Remove documentation.
1938         * config/mips/t-img-elf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
1939         MULTILIB_EXCEPTIONS): Remove -fshort-double variant.
1940         * lto-wrapper.c (merge_and_complain, append_compiler_options)
1941         (append_linker_options): Don't handle OPT_fshort_double.
1943         PR rtl-optimization/68730
1944         * lra-remat.c (insn_to_cand_activation): New static variable.
1945         (lra_remat): Allocate and free it.
1946         (create_cand): New arg activation. Initialize a field in
1947         insn_to_cand_activation if it is nonnull.
1948         (create_cands): Pass the activation insn to create_cand when making
1949         a candidate involving an output reload.  Reorganize code a little.
1950         (do_remat): Keep track of active status of candidates in a separate
1951         bitmap.
1953 2016-02-08  Richard Biener  <rguenther@suse.de>
1955         PR tree-optimization/69719
1956         * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
1957         Properly use absolute of the difference of the two offsets to
1958         compare or adjust the segment length.
1960 2016-02-08  Richard Biener  <rguenther@suse.de>
1961             Jeff Law  <law@redhat.com>
1963         PR target/68273
1964         * tree-ssanames.c (make_ssa_name_fn): Always use unqualified
1965         types for anonymous SSA names.
1967 2016-02-08   Richard Biener  <rguenther@suse.de>
1969         PR rtl-optimization/69274
1970         * ira.c (ira_setup_alts): Do not change recog_data.operand order.
1972 2016-02-08  Jeff Law  <law@redhat.com>
1974         PR tree-optimization/65917
1975         * tree-ssa-dom.c (record_temporary_equivalences): Record both
1976         equivalences from if (x == y) style conditionals.
1977         (loop_depth_of_name): Remove.
1978         (record_equality): Remove loop depth check.
1979         * tree-ssa-scopedtables.h (const_and_copies): Refine comments.
1980         (const_and_copies::record_const_or_copy_raw): New member function.
1981         * tree-ssa-scopedtables.c
1982         (const_and_copies::record_const_or_copy_raw): New, factored out of
1983         (const_and_copies::record_const_or_copy): Call new member function.
1985 2016-02-05  Jeff Law  <law@redhat.com>
1987         PR tree-optimization/68541
1988         * gimple-ssa-split-paths.c: Include tree-cfg.h and params.h.
1989         (count_stmts_in_block): New function.
1990         (poor_ifcvt_candidate_code): Likewise.
1991         (is_feasible_trace): Add some heuristics to determine when path
1992         splitting is profitable.
1993         (find_block_to_duplicate_for_splitting_paths): Make sure the graph
1994         is a diamond with a single exit.
1996 2016-02-05  Martin Sebor  <msebor@redhat.com>
1998         PR c++/69662
1999         * doc/invoke.texi: Update -Wplacement-new to take an optional
2000         argument.
2002 2016-02-06  Richard Henderson  <rth@redhat.com>
2004         PR c/69643
2005         * tree.c (tree_nop_conversion_p): Do not strip casts into or
2006         out of non-standard address spaces.
2008 2016-02-05  Jakub Jelinek  <jakub@redhat.com>
2010         PR rtl-optimization/69691
2011         * lra-eliminations.c (move_plus_up): Don't add the addend twice.
2013 2016-02-05  Pat Haugen  <pthaugen@us.ibm.com>
2015         * config/rs6000/crypto.md (crypto_vpermxor_<mode>): Correct insn type.
2016         * config/rs6000/rs6000.md (mov<mode>_hardfloat): Likewise.
2017         (*ieee128_mfvsrd_64bit): Likewise.
2018         (*ieee128_mfvsrd_32bit): Likewise.
2020 2016-02-05  Ilya Enkovich  <enkovich.gnu@gmail.com>
2022         PR target/69369
2023         Revert r232560:
2024         2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
2026         * cgraphunit.c (cgraph_node::reset): Clear thunk info and
2027         instrumented_version.
2029 2016-01-05  Jeremy Bennett  <jeremy.bennett@embecosm.com>
2031         * doc/invoke.texi (Optimize Options): In table of --param options
2032         rename second occurrence of tracer-min-branch-ratio to
2033         tracer-min-branch-probability, rename
2034         tracer-min-branch-ratio-feedback to
2035         tracer-min-branch-probability-feedback and clarify description,
2036         rename sched-spec-state-edge-prob-cutoff to
2037         sched-state-edge-prob-cutoff, rename selsched-max-insns-to-rename
2038         to selsched-insns-to-rename, rename lto-minpartition to
2039         lto-min-partition, delete reorder-blocks-duplicate and
2040         reorder-blocks-duplicate-feedback.
2042 2016-02-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
2044         * config/s390/s390.c (s390_register_info_set_ranges): Remove
2045         superfluous loops.
2047 2016-02-05  Dominik Vogt  <vogt@linux.vnet.ibm.com>
2049         * doc/extend.texi: S/390: Correct some typos.
2051 2016-02-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
2053         * config/s390/s390.c (s390_emit_call): Add missing 64 bit check.
2055 2016-02-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
2057         PR target/69625
2058         * config/s390/s390.c (SAVE_SLOT_NONE, SAVE_SLOT_STACK): New defines.
2059         (s390_register_info_gprtofpr): Use new macros above.
2060         (s390_register_info_stdarg_fpr): Adjust max_fpr to better match
2061         its name.
2062         (s390_register_info_stdarg_gpr): Adjust max_gpr to better match
2063         its name.  Adjust restore and save gpr ranges.
2064         (s390_register_info_set_ranges): New function.
2065         (s390_register_info): Use new macros above.  Call
2066         s390_register_info_set_ranges.
2067         (s390_optimize_register_info): Likewise.
2068         (s390_hard_regno_rename_ok): Use new macros.
2069         (s390_hard_regno_scratch_ok): Likewise.
2070         (s390_emit_epilogue): Likewise.
2071         (s390_can_use_return_insn): Likewise.
2072         (s390_optimize_prologue): Likewise.
2073         * config/s390/s390.md (GPR2_REGNUM, GPR6_REGNUM): New constants.
2075 2016-02-05  Jakub Jelinek  <jakub@redhat.com>
2077         PR bootstrap/69677
2078         * config/i386/i386.c (convert_scalars_to_vector): Readd stack
2079         alignment fixes.
2080         (ix86_option_override_internal): Disable TARGET_STV even for
2081         -m{incoming,preferred}-stack-boundary=3.
2083 2016-02-03  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
2085         * config.gcc: Mark deprecated rtems targets as obsolete.
2087 2016-02-04  Segher Boessenkool  <segher@kernel.crashing.org>
2089         PR rtl-optimization/64682
2090         PR rtl-optimization/69567
2091         * combine.c (distribute_notes) <REG_DEAD>: Place the death note
2092         before I2 only if the register is both used and set in I2.
2094 2016-02-04  DJ Delorie  <dj@redhat.com>
2096         * config/msp430/msp430.c (msp430_start_function): Add function type.
2098 2016-02-04  Jakub Jelinek  <jakub@redhat.com>
2100         PR fortran/69368
2101         * tree-dfa.c (get_ref_base_and_extent): Remove unreachable code.
2103 2016-02-04  Uros Bizjak  <ubizjak@gmail.com>
2105         PR rtl-optimization/69577
2106         Revert:
2107         2015-10-29  Richard Henderson  <rth@redhat.com>
2109         PR target/68124
2110         PR rtl-opt/67609
2111         * config/i386/i386.c (ix86_cannot_change_mode_class): Tighten
2112         sse check to the exact conditions of PR 67609.
2114 2016-02-04  Michael Meissner  <meissner@linux.vnet.ibm.com>
2116         PR target/69667
2117         * config/rs6000/rs6000.md (mov<mode>_64bit_dm): Use 'd' constraint
2118         instead of 'ws', and 'wh' instead of 'wm' since TFmode/IFmode are
2119         not allowed into the traditional Altivec registers.
2120         (movtd_64bit_nodm): Likewise.
2121         (mov<mode>_32bit, FMOVE128_FPR iterator): Likewise.
2123 2016-02-04  David Malcolm  <dmalcolm@redhat.com>
2125         * config/aarch64/cortex-a57-fma-steering.c
2126         (aarch64_register_fma_steering): Remove "static" from arguments
2127         to register_pass.
2129 2016-02-04  Wilco Dijkstra  <wdijkstr@arm.com>
2131         PR target/69619
2132         * ccmp.c (expand_ccmp_expr_1): Avoid evaluating gs0/gs1
2133         twice when complex.
2135 2016-02-04  Mike Frysinger  <vapier@gentoo.org>
2137         * doc/invoke.texi: Delete -mno-fma4.
2139 2016-02-04  Richard Sandiford  <richard.sandiford@arm.com>
2141         PR rtl-optimization/69577
2142         * reginfo.c (record_subregs_of_mode): Add a partial_def parameter.
2143         (find_subregs_of_mode): Update accordingly.  Iterate over partial
2144         definitions.
2146 2016-02-04  Alan Lawrence  <alan.lawrence@arm.com>
2148         * config/arm/arm-protos.h (neon_reinterpret): Remove.
2149         * config/arm/arm.c (neon_reinterpret): Remove.
2150         * config/arm/arm_neon_builtins.def (vreinterpretv8qi, vreinterpretv4hi,
2151         vreinterpretv2si, vreinterpretv2sf, vreinterpretdi, vreinterpretv16qi,
2152         vreinterpretv8hi, vreinterpretv4si, vreinterpretv4sf, vreinterpretv2di,
2153         vreinterpretti): Remove.
2154         * config/arm/neon.md (neon_vreinterpretv8qi<mode>,
2155         neon_vreinterpretv4hi<mode>, neon_vreinterpretv2si<mode>,
2156         neon_vreinterpretv2sf<mode>, neon_vreinterpretdi<mode>,
2157         neon_vreinterpretti<mode>, neon_vreinterpretv16qi<mode>,
2158         neon_vreinterpretv8hi<mode>, neon_vreinterpretv4si<mode>,
2159         neon_vreinterpretv4sf<mode>, neon_vreinterpretv2di<mode>): Remove.
2160         * config/arm/arm_neon.h (vreinterpret_p8_p16, vreinterpret_p8_f32,
2161         vreinterpret_p8_p64, vreinterpret_p8_s64, vreinterpret_p8_u64,
2162         vreinterpret_p8_s8, vreinterpret_p8_s16, vreinterpret_p8_s32,
2163         vreinterpret_p8_u8, vreinterpret_p8_u16, vreinterpret_p8_u32,
2164         vreinterpret_p16_p8, vreinterpret_p16_f32, vreinterpret_p16_p64,
2165         vreinterpret_p16_s64, vreinterpret_p16_u64, vreinterpret_p16_s8,
2166         vreinterpret_p16_s16, vreinterpret_p16_s32, vreinterpret_p16_u8,
2167         vreinterpret_p16_u16, vreinterpret_p16_u32, vreinterpret_f32_p8,
2168         vreinterpret_f32_p16, vreinterpret_f32_p64, vreinterpret_f32_s64,
2169         vreinterpret_f32_u64, vreinterpret_f32_s8, vreinterpret_f32_s16,
2170         vreinterpret_f32_s32, vreinterpret_f32_u8, vreinterpret_f32_u16,
2171         vreinterpret_f32_u32, vreinterpret_p64_p8, vreinterpret_p64_p16,
2172         vreinterpret_p64_f32, vreinterpret_p64_s64, vreinterpret_p64_u64,
2173         vreinterpret_p64_s8, vreinterpret_p64_s16, vreinterpret_p64_s32,
2174         vreinterpret_p64_u8, vreinterpret_p64_u16, vreinterpret_p64_u32,
2175         vreinterpret_s64_p8, vreinterpret_s64_p16, vreinterpret_s64_f32,
2176         vreinterpret_s64_p64, vreinterpret_s64_u64, vreinterpret_s64_s8,
2177         vreinterpret_s64_s16, vreinterpret_s64_s32, vreinterpret_s64_u8,
2178         vreinterpret_s64_u16, vreinterpret_s64_u32, vreinterpret_u64_p8,
2179         vreinterpret_u64_p16, vreinterpret_u64_f32, vreinterpret_u64_p64,
2180         vreinterpret_u64_s64, vreinterpret_u64_s8, vreinterpret_u64_s16,
2181         vreinterpret_u64_s32, vreinterpret_u64_u8, vreinterpret_u64_u16,
2182         vreinterpret_u64_u32, vreinterpret_s8_p8, vreinterpret_s8_p16,
2183         vreinterpret_s8_f32, vreinterpret_s8_p64, vreinterpret_s8_s64,
2184         vreinterpret_s8_u64, vreinterpret_s8_s16, vreinterpret_s8_s32,
2185         vreinterpret_s8_u8, vreinterpret_s8_u16, vreinterpret_s8_u32,
2186         vreinterpret_s16_p8, vreinterpret_s16_p16, vreinterpret_s16_f32,
2187         vreinterpret_s16_p64, vreinterpret_s16_s64, vreinterpret_s16_u64,
2188         vreinterpret_s16_s8, vreinterpret_s16_s32, vreinterpret_s16_u8,
2189         vreinterpret_s16_u16, vreinterpret_s16_u32, vreinterpret_s32_p8,
2190         vreinterpret_s32_p16, vreinterpret_s32_f32, vreinterpret_s32_p64,
2191         vreinterpret_s32_s64, vreinterpret_s32_u64, vreinterpret_s32_s8,
2192         vreinterpret_s32_s16, vreinterpret_s32_u8, vreinterpret_s32_u16,
2193         vreinterpret_s32_u32, vreinterpret_u8_p8, vreinterpret_u8_p16,
2194         vreinterpret_u8_f32, vreinterpret_u8_p64, vreinterpret_u8_s64,
2195         vreinterpret_u8_u64, vreinterpret_u8_s8, vreinterpret_u8_s16,
2196         vreinterpret_u8_s32, vreinterpret_u8_u16, vreinterpret_u8_u32,
2197         vreinterpret_u16_p8, vreinterpret_u16_p16, vreinterpret_u16_f32,
2198         vreinterpret_u16_p64, vreinterpret_u16_s64, vreinterpret_u16_u64,
2199         vreinterpret_u16_s8, vreinterpret_u16_s16, vreinterpret_u16_s32,
2200         vreinterpret_u16_u8, vreinterpret_u16_u32, vreinterpret_u32_p8,
2201         vreinterpret_u32_p16, vreinterpret_u32_f32, vreinterpret_u32_p64,
2202         vreinterpret_u32_s64, vreinterpret_u32_u64, vreinterpret_u32_s8,
2203         vreinterpret_u32_s16, vreinterpret_u32_s32, vreinterpret_u32_u8,
2204         vreinterpret_u32_u16, vreinterpretq_p8_p16, vreinterpretq_p8_f32,
2205         vreinterpretq_p8_p64, vreinterpretq_p8_p128, vreinterpretq_p8_s64,
2206         vreinterpretq_p8_u64, vreinterpretq_p8_s8, vreinterpretq_p8_s16,
2207         vreinterpretq_p8_s32, vreinterpretq_p8_u8, vreinterpretq_p8_u16,
2208         vreinterpretq_p8_u32, vreinterpretq_p16_p8, vreinterpretq_p16_f32,
2209         vreinterpretq_p16_p64, vreinterpretq_p16_p128, vreinterpretq_p16_s64,
2210         vreinterpretq_p16_u64, vreinterpretq_p16_s8, vreinterpretq_p16_s16,
2211         vreinterpretq_p16_s32, vreinterpretq_p16_u8, vreinterpretq_p16_u16,
2212         vreinterpretq_p16_u32, vreinterpretq_f32_p8, vreinterpretq_f32_p16,
2213         vreinterpretq_f32_p64, vreinterpretq_f32_p128, vreinterpretq_f32_s64,
2214         vreinterpretq_f32_u64, vreinterpretq_f32_s8, vreinterpretq_f32_s16,
2215         vreinterpretq_f32_s32, vreinterpretq_f32_u8, vreinterpretq_f32_u16,
2216         vreinterpretq_f32_u32, vreinterpretq_p64_p8, vreinterpretq_p64_p16,
2217         vreinterpretq_p64_f32, vreinterpretq_p64_p128, vreinterpretq_p64_s64,
2218         vreinterpretq_p64_u64, vreinterpretq_p64_s8, vreinterpretq_p64_s16,
2219         vreinterpretq_p64_s32, vreinterpretq_p64_u8, vreinterpretq_p64_u16,
2220         vreinterpretq_p64_u32, vreinterpretq_p128_p8, vreinterpretq_p128_p16,
2221         vreinterpretq_p128_f32, vreinterpretq_p128_p64, vreinterpretq_p128_s64,
2222         vreinterpretq_p128_u64, vreinterpretq_p128_s8, vreinterpretq_p128_s16,
2223         vreinterpretq_p128_s32, vreinterpretq_p128_u8, vreinterpretq_p128_u16,
2224         vreinterpretq_p128_u32, vreinterpretq_s64_p8, vreinterpretq_s64_p16,
2225         vreinterpretq_s64_f32, vreinterpretq_s64_p64, vreinterpretq_s64_p128,
2226         vreinterpretq_s64_u64, vreinterpretq_s64_s8, vreinterpretq_s64_s16,
2227         vreinterpretq_s64_s32, vreinterpretq_s64_u8, vreinterpretq_s64_u16,
2228         vreinterpretq_s64_u32, vreinterpretq_u64_p8, vreinterpretq_u64_p16,
2229         vreinterpretq_u64_f32, vreinterpretq_u64_p64, vreinterpretq_u64_p128,
2230         vreinterpretq_u64_s64, vreinterpretq_u64_s8, vreinterpretq_u64_s16,
2231         vreinterpretq_u64_s32, vreinterpretq_u64_u8, vreinterpretq_u64_u16,
2232         vreinterpretq_u64_u32, vreinterpretq_s8_p8, vreinterpretq_s8_p16,
2233         vreinterpretq_s8_f32, vreinterpretq_s8_p64, vreinterpretq_s8_p128,
2234         vreinterpretq_s8_s64, vreinterpretq_s8_u64, vreinterpretq_s8_s16,
2235         vreinterpretq_s8_s32, vreinterpretq_s8_u8, vreinterpretq_s8_u16,
2236         vreinterpretq_s8_u32, vreinterpretq_s16_p8, vreinterpretq_s16_p16,
2237         vreinterpretq_s16_f32, vreinterpretq_s16_p64, vreinterpretq_s16_p128,
2238         vreinterpretq_s16_s64, vreinterpretq_s16_u64, vreinterpretq_s16_s8,
2239         vreinterpretq_s16_s32, vreinterpretq_s16_u8, vreinterpretq_s16_u16,
2240         vreinterpretq_s16_u32, vreinterpretq_s32_p8, vreinterpretq_s32_p16,
2241         vreinterpretq_s32_f16, vreinterpretq_s32_f32, vreinterpretq_s32_p64,
2242         vreinterpretq_s32_p128, vreinterpretq_s32_s64, vreinterpretq_s32_u64,
2243         vreinterpretq_s32_s8, vreinterpretq_s32_s16, vreinterpretq_s32_u8,
2244         vreinterpretq_s32_u16, vreinterpretq_s32_u32, vreinterpretq_u8_p8,
2245         vreinterpretq_u8_p16, vreinterpretq_u8_f32, vreinterpretq_u8_p64,
2246         vreinterpretq_u8_p128, vreinterpretq_u8_s64, vreinterpretq_u8_u64,
2247         vreinterpretq_u8_s8, vreinterpretq_u8_s16, vreinterpretq_u8_s32,
2248         vreinterpretq_u8_u16, vreinterpretq_u8_u32, vreinterpretq_u16_p8,
2249         vreinterpretq_u16_p16, vreinterpretq_u16_f32, vreinterpretq_u16_p64,
2250         vreinterpretq_u16_p128, vreinterpretq_u16_s64, vreinterpretq_u16_u64,
2251         vreinterpretq_u16_s8, vreinterpretq_u16_s16, vreinterpretq_u16_s32,
2252         vreinterpretq_u16_u8, vreinterpretq_u16_u32, vreinterpretq_u32_p8,
2253         vreinterpretq_u32_p16, vreinterpretq_u32_f32, vreinterpretq_u32_p64,
2254         vreinterpretq_u32_p128, vreinterpretq_u32_s64, vreinterpretq_u32_u64,
2255         vreinterpretq_u32_s8, vreinterpretq_u32_s16, vreinterpretq_u32_s32,
2256         vreinterpretq_u32_u8, vreinterpretq_u32_u16): Rewrite using casts.
2258 2016-02-04  Martin Liska  <mliska@suse.cz>
2260         PR sanitizer/69276
2261         * asan.c (has_stmt_been_instrumented_p): Instrument gimple calls
2262         that are gimple_store_p.
2263         (maybe_instrument_call): Likewise.
2265 2016-02-04  Bin Cheng  <bin.cheng@arm.com>
2267         * config/aarch64/aarch64.c (aarch64_legitimize_address): Force
2268         register scaling out of memory reference and comment why.
2270 2016-02-04  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2272         PR target/65932
2273         PR target/67714
2274         * cse.c (cse_insn): Pass NULL to fold_rtx when initially
2275         folding the source of a SET.
2277 2016-02-04  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2279         PR target/65932
2280         PR target/67714
2281         * config/arm/arm.c (arm_new_rtx_costs, MULT case): Properly extract
2282         the operands of the SIGN_EXTENDs from a SMUL[TB][TB] rtx.
2284 2016-02-04  Jim Wilson  <jim.wilson@linaro.org>
2286         PR target/65932
2287         PR target/67714
2288         * config/arm/arm.h (PROMOTE_MODE): Don't set UNSIGNEDP for QImode and
2289         HImode.
2291 2016-02-04  Christian Bruel  <christian.bruel@st.com>
2293         * config/arm/arm-c.c (arm_reset_previous_fndecl): Style fix and typo.
2294         * config/arm/arm.c (arm_set_current_function): Likewise.
2296 2016-02-04  Jakub Jelinek  <jakub@redhat.com>
2297             Ilya Enkovich  <enkovich.gnu@gmail.com>
2298             H.J. Lu  <hongjiu.lu@intel.com>
2300         PR target/69454
2301         * config/i386/i386.c (convert_scalars_to_vector): Remove
2302         stack alignment fixes.
2303         (ix86_option_override_internal): Disable TARGET_STV if stack
2304         might not be aligned enough.
2305         (ix86_minimum_alignment): Assert that TARGET_STV is false.
2307 2016-02-04  Victoria Stepanyan  <victoria.stepanyan@amd.com>
2309         * gcc/config/i386/x86-tune.def: Disable default prefetching
2310         for -march=znver1.
2312 2016-02-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
2313             Vladimir Makarov  <vmakarov@redhat.com>
2315         PR target/69461
2316         * config/rs6000/rs6000.c (rs6000_legitimate_address_p): Fix thinko
2317         in validating fused toc addresses.
2319 2016-02-03  Jakub Jelinek  <jakub@redhat.com>
2321         PR c/69627
2322         * diagnostic-show-locus.c (layout::get_state_at_point): Don't read
2323         range->m_caret fields if range->m_show_caret_p is false.
2325         PR target/69644
2326         * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap):
2327         Force oldval into register if it does not satisfy reg_or_short_operand
2328         predicate.  Fix up formatting.
2330 2016-02-03  Vladimir Makarov  <vmakarov@redhat.com>
2331             Alexandre Oliva  <aoliva@redhat.com>
2333         PR target/69461
2334         * lra-constraints.c (simplify_operand_subreg): Check additionally
2335         address validity after potential reloading.
2336         (process_address_1): Check insns validity.  In case of failure do
2337         nothing.
2339 2016-02-03  Kirill Yukhin  <kirill.yukhin@intel.com>
2341         PR target/69118
2342         * config/i386/sse.md (define_insn "avx512f_maskcmp<mode>3"):
2343         Fix target.
2345 2016-02-02  Jakub Jelinek  <jakub@redhat.com>
2347         * wide-int.cc (canonize_uhwi): New function.
2348         (wi::divmod_internal): Use it.
2350 2016-02-02  James Norris  <jnorris@codesourcery.com
2352         * gimplify.c (omp_notice_variable): Add usage check.
2354 2016-02-02  Alexander Monakov  <amonakov@ispras.ru>
2356         * config/nvptx/nvptx.c (nvptx_print_operand): Treat LEU, GEU, LTU, GTU
2357         like LE, GE, LT, GT when emitting relational operator.
2359 2016-02-02  Wilco Dijkstra  <wdijkstr@arm.com>
2361         * ira-costs.c (find_costs_and_classes): Add extra argument.
2362         * target.def (ira_change_pseudo_allocno_class): Add parameter.
2363         * targhooks.h (ira_change_pseudo_allocno_class): Likewise.
2364         * targhooks.c (ira_change_pseudo_allocno_class): Likewise.
2365         * config/aarch64/aarch64.c (aarch64_ira_change_pseudo_allocno_class)
2366         Add best_class parameter, and return it if not ALL_REGS.
2367         * config/mips/mips.c (mips_ira_change_pseudo_allocno_class):
2368         Add parameter.
2369         * doc/tm.texi (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS):
2370         Update target hook.
2372 2016-02-02  Wilco Dijkstra  <wdijkstr@arm.com>
2374         * config/aarch64/aarch64.c
2375         (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS): New define.
2376         (aarch64_ira_change_pseudo_allocno_class): New function.
2378 2016-02-02  Uros Bizjak  <ubizjak@gmail.com>
2380         PR target/67032
2381         * config/i386/i386.c (geode_cost): Increase cost of MMX and SSE moves.
2383 2016-02-02  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
2385         * config/avr/avr.c (avr_option_override): Set
2386         PARAM_ALLOW_STORE_DATA_RACES to 1.
2388 2016-02-02  Richard Biener  <rguenther@suse.de>
2390         PR tree-optimization/69595
2391         * match.pd: Add range test simplifications to true/false.
2393 2016-02-02  Thomas Schwinge  <thomas@codesourcery.com>
2395         * omp-builtins.def (BUILT_IN_GOACC_HOST_DATA): Remove.
2396         * omp-low.c (expand_omp_target): Use BUILT_IN_GOACC_DATA_START
2397         instead.
2399 2016-02-02  Richard Biener  <rguenther@suse.de>
2401         PR tree-optimization/69606
2402         * tree-ssa-math-opts.c (bswap_replace): Clear flow sensitive
2403         info on the result before moving a stmt.
2405 2016-02-02  Yuri Rumyantsev  <ysrumyan@gmail.com>
2407         PR middle-end/68542
2408         * config/i386/i386.c (ix86_expand_branch): Add support for conditional
2409         branch with vector comparison.
2410         * config/i386/sse.md (VI48_AVX): New mode iterator.
2411         (define_expand "cbranch<mode>4): Add support for conditional branch
2412         with vector comparison.
2413         * tree-vect-loop.c (optimize_mask_stores): New function.
2414         * tree-vect-stmts.c (vectorizable_mask_load_store): Initialize
2415         has_mask_store field of vect_info.
2416         * tree-vectorizer.c (vectorize_loops): Invoke optimaze_mask_stores for
2417         vectorized loops having masked stores after vec_info destroy.
2418         * tree-vectorizer.h (loop_vec_info): Add new has_mask_store field and
2419         correspondent macros.
2420         (optimize_mask_stores): Add prototype.
2422 2016-02-02  Alan Modra  <amodra@gmail.com>
2424         PR target/69548
2425         * config/rs6000/predicates.md (quad_int_reg_operand): Don't
2426         allow subregs.
2428 2016-02-02  Alan Modra  <amodra@gmail.com>
2430         PR target/68662
2431         * config/rs6000/rs6000.c (need_toc_init): New var, set it
2432         whenever toc_label_name used.
2433         (rs6000_file_start): Don't set up toc section here,
2434         (rs6000_output_function_epilogue): do so here instead,
2435         (rs6000_xcoff_file_start): and here.
2436         * config/rs6000/rs6000.md (load_toc_aix_si): Set need_toc_init.
2437         (load_toc_aix_di): Likewise.
2439 2016-02-01  Jakub Jelinek  <jakub@redhat.com>
2441         PR rtl-optimization/69592
2442         * rtlanal.c (nonzero_bits_binary_arith_p): New inline function.
2443         (cached_nonzero_bits): Use it instead of ARITHMETIC_P.
2444         (num_sign_bit_copies_binary_arith_p): New inline function.
2445         (cached_num_sign_bit_copies): Use it instead of ARITHMETIC_P.
2447 2016-02-01  Jeff Law  <law@redhat.com>
2449         PR tree-optimization/69580
2450         * params.def (FSM_MAXIMUM_PHI_ARGUMENTS): New param.
2451         * tree-ssa-threadbackward.c
2452         (fsm_find_control_statement_thread_paths): Do not try to walk
2453         through large PHI nodes.
2455 2016-02-01  Jakub Jelinek  <jakub@redhat.com>
2457         * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Return false
2458         when count is incremented above limit, don't analyze further
2459         insns afterwards.
2461         * omp-low.c (oacc_parse_default_dims): Avoid
2462         -Wsign-compare warning, make sure value fits into int
2463         rather than just unsigned int.
2465 2016-02-01  Bin Cheng  <bin.cheng@arm.com>
2467         PR tree-optimization/67921
2468         * fold-const.c (split_tree): New parameters.  Convert pointer
2469         type variable part to proper type before negating.
2470         (fold_binary_loc): Pass new arguments to split_tree.
2472 2016-02-01  Nathan Sidwell  <nathan@codesourcery.com>
2474         * config/nvptx/nvptx.c (PTX_GANG_DEFAULT): New.
2475         (nvptx_goacc_validate_dims): Extend to handle global defaults.
2476         * target.def (OACC_VALIDATE_DIMS): Extend documentation.
2477         * doc/tm.texti: Rebuilt.
2478         * doc/invoke.texi (fopenacc-dim): Document.
2479         * lto-wrapper.c (merge_and_complain): Add OPT_fopenacc_dim_ case.
2480         (append_compiler_options): Likewise.
2481         * omp-low.c (oacc_default_dims, oacc_min_dims): New.
2482         (oacc_parse_default_dims): New.
2483         (oacc_validate_dims): Add USED arg.  Select non-unity default when
2484         possible.
2485         (oacc_loop_fixed_partitions): Return mask of used partitions.
2486         (oacc_loop_auto_partitions): Emit dump info.
2487         (oacc_loop_partition): Return mask of used partitions.
2488         (execute_oacc_device_lower): Parse default dimension arg.  Adjust
2489         loop partitioning and validation calls.
2491 2016-02-01  Richard Biener  <rguenther@suse.de>
2493         PR middle-end/69556
2494         * match.pd: Guard (C1/X)*C2 -> (C1*C2)/X with single_use.
2496 2016-02-01  Richard Biener  <rguenther@suse.de>
2498         PR tree-optimization/69574
2499         * tree-chrec.c (hide_evolution_in_other_loops_than_loop): Instead
2500         of asserting return chrec_dont_know.
2502 2016-02-01  Martin Liska  <mliska@suse.cz>
2504         * mem-stats-traits.h: Add copyright header.
2505         * mem-stats.h: Likewise.
2507 2016-02-01  Richard Biener  <rguenther@suse.de>
2509         PR tree-optimization/69579
2510         * tree-ssa-loop-ivcanon.c (propagate_constants_for_unrolling):
2511         Do not propagate through abnormal PHI results.
2513 2016-02-01  Eric Botcazou  <ebotcazou@adacore.com>
2515         * postreload.c (reload_cse_simplify): Remove dead code.
2517 2016-02-01  Jakub Jelinek  <jakub@redhat.com>
2519         PR rtl-optimization/69570
2520         * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Return true only
2521         if there is more than one set, not if there is a single set.
2523 2016-02-01  Richard Henderson  <rth@redhat.com>
2525         PR rtl-opt/69535
2526         * combine.c (make_compound_operation): When looking through a
2527         subreg, make sure to re-extend to the width of the outer mode.
2529 2016-01-30  Jakub Jelinek  <jakub@redhat.com>
2531         PR tree-optimization/69546
2532         * wide-int.cc (wi::divmod_internal): For unsigned division
2533         where both operands fit into uhwi, if o1 is 1 and o0 has
2534         msb set, if divident_prec is larger than bits per hwi,
2535         clear another quotient word and return 2 instead of 1.
2536         Similarly for remainder with msb in HWI set, if dividend_prec
2537         is larger than bits per hwi.
2539 2016-01-29  Martin Jambor  <mjambor@suse.cz>
2541         * hsa-gen.c (get_memory_order_name): Mask with MEMMODEL_BASE_MASK.
2542         Use short lowercase names.
2543         (get_memory_order): Mask with MEMMODEL_BASE_MASK.  Support
2544         MEMMODEL_CONSUME with acquire semantics and MEMMODEL_SEQ_CST with
2545         acq_rel one.  Protect warning agains segfaults if
2546         get_memory_order_name returns NULL.
2547         (gen_hsa_ternary_atomic_for_builtin): Support with MEMMODEL_SEQ_CST
2548         with release semantics.  Do not warn if get_memory_order already did.
2549         (gen_hsa_insns_for_call): Support with MEMMODEL_SEQ_CST with acquire
2550         semantics.  Fix check for relaxed or acquire semantics.  Do not warn
2551         if get_memory_order already did.
2553 2016-01-29  Sebastian Pop  <s.pop@samsung.com>
2555         * doc/install.texi: Document that isl-0.16 is supported.
2557 2016-01-29  Vladimir Makarov  <vmakarov@redhat.com>
2559         PR target/69299
2560         * config/i386/constraints.md (Bm): Describe as special memory
2561         constraint.
2562         * doc/md.texi (DEFINE_SPECIAL_MEMORY_CONSTRAINT): Describe it.
2563         * genoutput.c (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
2564         * genpreds.c (struct constraint_data): Add is_special_memory.
2565         (have_special_memory_constraints, special_memory_start): New
2566         static vars.
2567         (special_memory_end): Ditto.
2568         (add_constraint): Add new arg is_special_memory.  Add code to
2569         process its true value.  Update have_special_memory_constraints.
2570         (process_define_constraint): Pass the new arg.
2571         (process_define_register_constraint): Ditto.
2572         (choose_enum_order): Process special memory.
2573         (write_tm_preds_h): Generate enum const CT_SPECIAL_MEMORY and
2574         function insn_extra_special_memory_constraint.
2575         (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
2576         * gensupport.c (process_rtx): Process
2577         DEFINE_SPECIAL_MEMORY_CONSTRAINT.
2578         * ira-costs.c (record_reg_classes): Process CT_SPECIAL_MEMORY.
2579         * ira-lives.c (single_reg_class): Use
2580         insn_extra_special_memory_constraint.
2581         * ira.c (ira_setup_alts): Process CT_SPECIAL_MEMORY.
2582         * lra-constraints.c (process_alt_operands): Ditto.
2583         (curr_insn_transform): Use insn_extra_special_memory_constraint.
2584         * recog.c (asm_operand_ok, preprocess_constraints): Process
2585         CT_SPECIAL_MEMORY.
2586         * reload.c (find_reloads): Ditto.
2587         * rtl.def (DEFINE_SPECIFAL_MEMORY_CONSTRAINT): New.
2588         * stmt.c (parse_input_constraint): Use
2589         insn_extra_special_memory_constraint.
2591 2016-01-29  H.J. Lu  <hongjiu.lu@intel.com>
2593         PR target/69530
2594         * lra-splill.c (lra_final_code_change): Revert r229087 by
2595         removing all sub-registers.
2597 2016-01-29  Steve Ellcey  <sellcey@imgtec.com>
2599         PR target/65604
2600         * config/mips/mips.c (mips_output_division): Check flag_delayed_branch.
2602 2016-01-29  Jakub Jelinek  <jakub@redhat.com>
2604         PR target/69551
2605         * config/i386/i386.c (ix86_expand_vector_set) <case V4SImode>: For
2606         SSE1, copy target into the temporary reg first before recursing
2607         on it.
2609 2016-01-29  H.J. Lu  <hongjiu.lu@intel.com>
2611         * config/i386/sse.md (sse2_cvtps2pd<mask_name>): Replace vBm
2612         with vm.
2614 2016-01-29  Jonathan Wakely  <jwakely@redhat.com>
2616         * ginclude/stdarg.h: Test __cplusplus instead of
2617         __GXX_EXPERIMENTAL_CXX0X__.
2619 2016-01-29  Richard Biener  <rguenther@suse.de>
2621         PR tree-optimization/69547
2622         * tree-ssa-dce.c (mark_aliased_reaching_defs_necessary_1):
2623         Do not mark clobbers necessary.
2624         (mark_all_reaching_defs_necessary_1): Likewise.
2626 2016-01-29  Dominik Vogt  <vogt@linux.vnet.ibm.com>
2628         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Format
2629         declaration name with %qs and print it in both error messages.
2630         Also fix indentation.
2632 2016-01-29  Dominik Vogt  <vogt@linux.vnet.ibm.com>
2634         PR other/69006
2635         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Remove
2636         trailing blank line from error message.
2638 2016-01-29  Jonathan Wakely  <jwakely@redhat.com>
2640         PR c++/69462
2641         * ginclude/float.h: Also provide FLT_EVAL_METHOD and DECIMAL_DIG
2642         for C++-11.
2644 2016-01-29  Richard Biener  <rguenther@suse.de>
2646         PR middle-end/69537
2647         * match.pd: Allow all integral types when simplifying a
2648         widening or sign-changing conversion.
2650 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
2652         * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Revert assert
2653         back to setting codegen_error to fail codegen.
2655 2016-01-28  Uros Bizjak  <ubizjak@gmail.com>
2657         PR target/69459
2658         * config/i386/constraints.md (C): Only accept constant zero operand.
2659         (BC): New constraint.
2660         * config/i386/sse.md (*mov<mode>_internal): Use BC constraint
2661         instead of C constraint.
2662         * doc/md.texi (Machine Constraints): Update description
2663         of C constraint.
2665 2016-01-28  Steve Ellcey  <sellcey@imgtec.com>
2667         PR target/68400
2668         * config/mips/mips.c (and_operands_ok): Add MIPS16 check.
2670 2016-01-28  Jakub Jelinek  <jakub@redhat.com>
2672         PR middle-end/69542
2673         * lra-remat.c (calculate_local_reg_remat_bb_data): Only consider
2674         non-debug insns.
2676 2016-01-28  Pat Haugen  <pthaugen@us.ibm.com>
2678         * config/rs6000/rs6000.c (output_cbranch): Don't statically predict
2679         branches if using guessed profile.
2681 2016-01-28  H.J. Lu  <hongjiu.lu@intel.com>
2683         * graphite-optimize-isl.c (optimize_isl): Fix dump.
2685 2016-01-28  Richard Henderson  <rth@redhat.com>
2687         PR target/69305
2688         * config/aarch64/aarch64-modes.def (CC_Cmode): New
2689         * config/aarch64/aarch64-protos.h: Update.
2690         * config/aarch64/aarch64.c (aarch64_zero_extend_const_eq): New.
2691         (aarch64_select_cc_mode): Add check for use of CC_Cmode.
2692         (aarch64_get_condition_code_1): Handle CC_Cmode.
2693         * config/aarch64/aarch64.md (addti3): Use adddi3_compareC.
2694         (*add<mode>3_compareC_cconly_imm): New.
2695         (*add<mode>3_compareC_cconly): New.
2696         (*add<mode>3_compareC_imm): New.
2697         (add<mode>3_compareC): New.
2698         (add<mode>3_carryin, *addsi3_carryin_uxtw): Sort compare operand
2699         to be first.  Use aarch64_carry_operation.
2700         (*add<mode>3_carryin_alt1, *addsi3_carryin_alt1_uxtw): Remove.
2701         (*add<mode>3_carryin_alt2, *addsi3_carryin_alt2_uxtw): Remove.
2702         (*add<mode>3_carryin_alt3, *addsi3_carryin_alt3_uxtw): Remove.
2703         (subti3): Use subdi3_compare1.
2704         (*sub<mode>3_compare0): Rename from sub<mode>3_compare0.
2705         (sub<mode>3_compare1): New.
2706         (*sub<mode>3_carryin0, *subsi3_carryin_uxtw): New.
2707         (*sub<mode>3_carryin): Use aarch64_borrow_operation.
2708         (*subsi3_carryin_uxtw): Likewise.
2709         (*ngc<mode>, *ngcsi_uxtw): Likewise.
2710         (*sub<mode>3_carryin_alt, *subsi3_carryin_alt_uxtw): New.
2711         * config/aarch64/iterators.md (DWI): New.
2712         * config/aarch64/predicates.md (aarch64_carry_operation): New.
2713         (aarch64_borrow_operation): New.
2715 2016-01-28  Abderrazek Zaafrani  <a.zaafrani@samsung.com>
2717         * graphite-optimize-isl.c (optimize_isl): Print a different debug
2718         message when isl does not return a valid schedule.
2720 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
2722         * graphite-isl-ast-to-gimple.c (class translate_isl_ast_to_gimple):
2723         Remove comments from class declarations: they are already in the code
2724         close by the defs.
2726 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
2728         * graphite-isl-ast-to-gimple.c (binary_op_to_tree): Call
2729         codegen_error_p.
2730         (ternary_op_to_tree): Same.
2731         (unary_op_to_tree): Same.
2732         (nary_op_to_tree): Same.
2733         (gcc_expression_from_isl_expr_op): Same.
2734         (gcc_expression_from_isl_expression): Same.
2735         (graphite_create_new_loop): Same.
2736         (graphite_create_new_loop_guard): Same.
2737         (build_iv_mapping): Same.
2738         (graphite_create_new_guard): Same.
2739         (translate_isl_ast_to_gimple::copy_loop_phi_nodes): Same.
2740         (translate_isl_ast_to_gimple::translate_pending_phi_nodes): Same.
2742 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
2744         * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Assert
2745         instead of setting codegen_error to fail codegen.
2747 2016-01-28  Jason Merrill  <jason@redhat.com>
2749         * tree.h (BINFO_FLAG_0): Rename from BINFO_MARKED.
2751 2016-01-28  Wilco Dijkstra  <wdijkstr@arm.com>
2753         * config/aarch64/aarch64.c (aarch64_if_then_else_costs):
2754         Remove CONST_INT_P check in CCMP cost calculation.
2756 2016-01-28  Wilco Dijkstra  <wdijkstr@arm.com>
2758         * config/aarch64/aarch64.c (generic_vector_cost):
2759         Set vec_permute_cost.
2760         (cortexa57_vector_cost): Likewise.
2761         (exynosm1_vector_cost): Likewise.
2762         (xgene1_vector_cost): Likewise.
2763         (aarch64_builtin_vectorization_cost): Use vec_permute_cost.
2764         * config/aarch64/aarch64-protos.h (cpu_vector_cost):
2765         Add vec_permute_cost entry.
2767 2016-01-28  Wilco Dijkstra  <wdijkstr@arm.com>
2769         * config/aarch64/aarch64.md (ccmp<mode>): Disassemble
2770         immediate as %1.
2771         (add<mode>3_compare0): Likewise.
2772         (addsi3_compare0_uxtw): Likewise.
2773         (add<mode>3nr_compare0): Likewise.
2774         (compare_neg<mode>): Likewise.
2775         (<optab><mode>3): Likewise.
2777 2016-01-28  Ilya Enkovich  <enkovich.gnu@gmail.com>
2779         * tree-vect-stmts.c (vectorizable_comparison): Add
2780         NULL check for vectype.
2782 2016-01-28  Richard Biener  <rguenther@suse.de>
2784         PR tree-optimization/69466
2785         * tree-vect-loop-manip.c (slpeel_duplicate_current_defs_from_edges):
2786         Account for PHIs we couldn't duplicate.
2788 2016-01-28  Martin Liska  <mliska@suse.cz>
2790         PR pch/68758
2791         * ggc-common.c (gt_pch_save): Use ENABLE_VALGRIND_ANNOTATIONS macro
2792         instead of ENABLE_VALGRIND_CHECKING.
2794 2016-01-27  Richard Henderson  <rth@redhat.com>
2796         PR rtl-opt/69447
2797         * lra-remat.c (subreg_regs): New.
2798         (dump_candidates_and_remat_bb_data): Dump it.
2799         (operand_to_remat): Reject if operand in subreg_regs.
2800         (set_bb_regs): Collect subreg_regs.
2801         (lra_remat): Init and free subreg_regs.  Compute
2802         calculate_local_reg_remat_bb_data before create_cands.
2804 2016-01-27  H.J. Lu  <hongjiu.lu@intel.com>
2806         PR target/68986
2807         * config/i386/i386.c (ix86_update_stack_boundary): Don't
2808         change stack_alignment_needed for __tls_get_addr call.
2810 2016-01-27  Segher Boessenkool  <segher@kernel.crashing.org>
2812         * config/rs6000/rs6000.c (print_operand): Rollback 's' removal.
2814 2016-01-27  Jeff Law  <law@redhat.com>
2816         PR tree-optimization/68398
2817         PR tree-optimization/69196
2818         * params.def (PARAM_FSM_SCALE_PATH_STMTS): New parameter.
2819         (PARAM_FSM_SCALE_PATH_BLOCKS): Likewise.
2820         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
2821         Only count PHIs in the last block in the path.  The others will
2822         const/copy propagate away.  Add heuristic to allow more irreducible
2823         subloops to be created when it is likely profitable to do so.
2825         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
2826         Fix typo in comment.  Use gsi_after_labels and remove the GIMPLE_LABEL
2827         check from within the loop.  Use gsi_next_nondebug rather than gsi_next.
2829 2016-01-27  Jakub Jelinek  <jakub@redhat.com>
2831         PR lto/69254
2832         * sanitizer.def: Add BEGIN_SANITIZER_BUILTINS and
2833         END_SANITIZER_BUILTINS markers using DEF_BUILTIN_STUB.
2834         * asan.c (DEF_BUILTIN_STUB): Temporarily define.
2835         * tree-streamer-in.c: Include asan.h.
2836         (streamer_get_builtin_tree): For builtins in sanitizer
2837         range call initialize_sanitizer_builtins and retry.
2839 2016-01-27  Ian Lance Taylor  <iant@google.com>
2841         * common.opt (fkeep-gc-roots-live): New undocumented option.
2842         * tree-ssa-loop-ivopts.c (add_candidate_1): If
2843         -fkeep-gc-roots-live, skip pointers.
2844         (add_iv_candidate_for_biv): Handle add_candidate_1 returning
2845         NULL.
2847 2016-01-27  Uros Bizjak  <ubizjak@gmail.com>
2849         PR target/69512
2850         * config/i386/i386.md (*zext<mode>_doubleword_and): New pattern.
2851         (*zext<mode>_doubleword): Disable for TARGET_ZERO_EXTEND_WITH_AND.
2853 2016-01-27  Thomas Klausner  <wiz@NetBSD.org>
2855         PR target/68380
2856         * configure.ac: NetBSD provides SSP in its C library.
2857         * configure: Updated.
2859 2016-01-27  Richard Biener  <rguenther@suse.de>
2861         PR tree-optimization/69166
2862         * tree-vect-loop.c (vect_is_simple_reduction): Always check
2863         reduction code for commutativity / associativity.
2865 2016-01-27  Martin Jambor  <mjambor@suse.cz>
2867         PR tree-optimization/69355
2868         * tree-sra.c (analyze_access_subtree): Correct hole detection when
2869         total_scalarization fails.
2871 2016-01-27  David Edelsohn  <dje.gcc@gmail.com>
2873         * config/rs6000/driver-rs6000.c (detect_processor_aix): Add
2874         power9.
2876 2016-01-27  Christian Bruel  <christian.bruel@st.com>
2878         PR target/69245
2879         * config/arm/arm-c.c (arm_pragma_target_parse): Add comments.
2880         Move arm_reset_previous_fndecl and set_target_option_current_node in
2881         the conditional part.  Call save_restore_target_globals.
2882         * config/arm/arm.c (arm_set_current_function):
2883         Refactor to better support #pragma target and attribute mix.
2884         Call save_restore_target_globals.
2885         * config/arm/arm-protos.h (save_restore_target_globals): New function.
2887 2016-01-27  Martin Liska  <mliska@suse.cz>
2889         * hsa.c (hsa_summary_t::link_functions): Create IPA_REF_ADDR
2890         reference for an HSA kernel and its host function.
2892 2016-01-27  Jakub Jelinek  <jakub@redhat.com>
2894         PR tree-optimization/69399
2895         * wide-int.h (wi::lrshift): For larger precisions, only
2896         use fast path if shift is known to be < HOST_BITS_PER_WIDE_INT.
2898 2016-01-27  Claudiu Zissulescu  <claziss@synopsys.com>
2900         * config/arc/predicates.md (proper_comparison_operator): Reject
2901         constant-constant comparison.
2903 2016-01-26  Tom de Vries  <tom@codesourcery.com>
2905         PR tree-optimization/69110
2906         * tree-data-ref.c (initialize_data_dependence_relation): Handle
2907         DR_NUM_DIMENSIONS == 0.
2909 2016-01-26  Abderrazek Zaafrani  <a.zaafrani@samsung.com>
2910             Sebastian Pop  <s.pop@samsung.com>
2912         * graphite-isl-ast-to-gimple.c (ternary_op_to_tree): Handle
2913         isl_ast_op_cond and isl_ast_op_select.
2914         (gcc_expression_from_isl_expr_op): Same.
2916 2016-01-26  Jason Merrill  <jason@redhat.com>
2918         PR c++/68782
2919         * tree.c (recompute_constructor_flags): Split out from
2920         build_constructor.
2921         (verify_constructor_flags): New.
2922         * tree.h: Declare them.
2924 2016-01-26  Iain Buclaw  <ibuclaw@gdcproject.org>
2926         PR rtl-optimization/69217
2927         * var-tracking.c (tracked_record_parameter_p): Don't segfault if there
2928         are no TYPE_FIELDS set for the record type.
2930 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
2932         PR target/68662
2933         * config/rs6000/rs6000.c (rs6000_option_override_internal): Initialize
2934         toc_label_name unconditionally.
2935         (rs6000_emit_load_toc_table): Call ggc_strdup on toc_label_name for
2936         SYMBOL_REF string.  Use toc_label_name instead of constructing
2937         LCTOC1.
2938         (rs6000_elf_declare_function_name): Use toc_label_name instead of
2939         constructing LCTOC1.
2941 2016-01-26  Martin Sebor  <msebor@redhat.com>
2943         PR other/69477
2944         * doc/extend.texi (Common Type Attributes): Move text that talks about
2945         attribute packed from attribute aligned to the section discussing
2946         the former attribute for clarity.
2948 2016-01-26  Richard Henderson  <rth@redhat.com>
2950         PR middle-end/60908
2951         * trans-mem.c (tm_region_init): Mark entry block as visited.
2953 2016-01-26  David Malcolm  <dmalcolm@redhat.com>
2955         PR other/69006
2956         * diagnostic-show-locus.c (layout::print_source_line): Replace
2957         call to pp_newline with call to layout::print_newline.
2958         (layout::print_annotation_line): Likewise.
2959         (layout::move_to_column): Likewise.
2960         (layout::print_any_fixits): After printing any fixits, print a
2961         trailing newline, if necessary.
2962         (layout::print_newline): New method, resetting any colorization
2963         before a newline.
2964         (diagnostic_show_locus): Move the pp_newline to before the
2965         early bailout.  Remove dummy block enclosing the layout instance.
2966         * diagnostic.c (default_diagnostic_finalizer): Replace invocation
2967         of pp_newline_and_flush with pp_flush.
2968         (diagnostic_append_note): Delete use of pp_newline.
2969         (diagnostic_append_note_at_rich_loc): Delete.
2970         * diagnostic.h (diagnostic_append_note_at_rich_loc): Delete.
2971         * pretty-print.h (output_buffer_append_r): Reset buff->line_length
2972         when newline characters are added to the buffer.
2974 2016-01-26  Michael Matz  <matz@suse.de>
2976         * configure.ac (ac_cv_std_swap_in_utility): New test.
2977         * system.h (<algorithm>): Check HAVE_SWAP_IN_UTILITY as well.
2978         * configure: Regenerate.
2979         * config.in: Regenerate.
2981 2016-01-26  Claudiu Zissulescu  <claziss@synopsys.com>
2983         * config/arc/arc.md (cstoresi4): Force operand into register.
2984         (arcset<code>): Fix predicate.
2985         (arcsetltu): Likewise.
2986         (arcsetgeu): Likewise.
2987         (arcsethi): Likewise.
2988         (arcsetls): Likewise.
2990 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
2992         PR tree-optimization/69483
2993         * gimple-fold.c (canonicalize_constructor_val): Return NULL
2994         if base has error_mark_node type.
2996 2016-01-26  Christophe Lyon  <christophe.lyon@linaro.org>
2998         PR target/68620
2999         * config/arm/arm.c (neon_valid_immediate): Handle FP16 vectors.
3000         * config/arm/arm_neon.h (__ARM_NUM_LANES, __arm_lane, arm_lanq):
3001         New helper macros.
3002         (vget_lane_f16): Handle big-endian.
3003         (vgetq_lane_f16): Likewise.
3004         (vset_lane_f16): Likewise.
3005         (vsetq_lane_f16): Likewise.
3006         * config/arm/iterators.md (VQXMOV): Add V8HF.
3007         (VDQ): Add V4HF and V8HF.
3008         (V_reg): Handle V4HF and V8HF.
3009         (Is_float_mode): Likewise.
3010         * config/arm/neon.md (movv4hf, movv8hf, neon_vdup_nv4hf,
3011         neon_vdup_nv8hf): New patterns.
3012         (vec_set<mode>_internal, vec_extract<mode>, neon_vld1_dup<mode>):
3013         Use VD_LANE iterator.
3014         (neon_vld1_dup<mode>): Use VQ2 iterator.
3016 2016-01-26  Nathan Sidwell  <nathan@acm.org>
3018         * omp-low.h (oacc_fn_attrib_kernels_p): Declare.
3019         (set_oacc_fn_attrib): Add IS_KERNEL arg.
3020         * omp-low.c (set_oacc_fn_attrib): Add IS_KERNEL arg.
3021         (oacc_fn_attrib_kernels_p, oacc_fn_attrib_level): New.
3022         (expand_omp_target): Pass is_kernel to set_oacc_fn_attrib.
3023         (oacc_validate_dims): Add LEVEL arg, don't return level.
3024         (new_oacc_loop_routine): Use oacc_fn_attrib_level, not
3025         oacc_validate_dims.
3026         (execute_oacc_device_lower): Adjust, add more dump output.
3027         * tree-ssa-loop.c (gate_oacc_kernels): Use
3028         oacc_fn_attrib_kernels_p.
3029         * tree-parloops.c (create_parallel_loop): Adjust
3030         set_oacc_fn_attrib call.
3032 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
3034         PR lto/69254
3035         * lto-wrapper.c (merge_and_complain): Handle -fcilkplus.
3036         (append_compiler_options): Handle -fcilkplus.
3037         (append_linker_options): Ignore -fno-{openmp,openacc,cilkplus}.
3039 2016-01-26  Nick Clifton  <nickc@redhat.com>
3041         PR target/66655
3042         * config/i386/winnt.c (i386_pe_binds_local_p): If a function has
3043         been marked as DECL_ONE_ONLY but we do not the means to make it
3044         so, then do not allow it to bind locally.
3046 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
3048         PR lto/69254
3049         * opts.h (parse_sanitizer_options): New prototype.
3050         * opts.c (sanitizer_opts): New array.
3051         (parse_sanitizer_options): New function.
3052         (common_handle_option): Use parse_sanitizer_options.
3054 2016-01-26  H.J. Lu  <hongjiu.lu@intel.com>
3056         PR target/68986
3057         * config/i386/i386.c (ix86_compute_frame_layout): Move stack
3058         alignment adjustment to ...
3059         (ix86_update_stack_boundary): Here.  Don't over-align stack for
3060         __tls_get_addr.
3061         (ix86_finalize_stack_realign_flags): Use stack_alignment_needed
3062         if __tls_get_addr is called.
3064 2016-01-26  Christian Bruel  <christian.bruel@st.com>
3066         * doc/sourcebuild.texi (arm_crypto_pragma_ok): Remove.
3068 2016-01-26  Eric Botcazou  <ebotcazou@adacore.com>
3070         * config/ia64/ia64.c (ia64_expand_vecint_compare): Use gen_int_mode.
3072 2016-01-26  Richard Biener  <rguenther@suse.de>
3074         PR middle-end/69467
3075         * match.pd: Guard X * CST CMP 0 pattern with single_use.
3077 2016-01-26  Richard Biener  <rguenther@suse.de>
3079         PR tree-optimization/69452
3080         * tree-ssa-loop-im.c (move_computations_dom_walker): Remove.
3081         (move_computations_dom_walker::before_dom_children): Rename
3082         to ...
3083         (move_computations_worker): This.
3084         (move_computations): Perform an RPO rather than a DOM walk.
3086 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
3088         PR target/69442
3089         * combine.c (combine_instructions): For REG_EQUAL note with
3090         SET_DEST being ZERO_EXTRACT, also temporarily set SET_DEST
3091         to the underlying register.
3092         * doc/rtl.texi (REG_EQUAL): Document the behavior of
3093         REG_EQUAL/REG_EQUIV notes if SET_DEST is ZERO_EXTRACT.
3095 2016-01-26  Roger Ferrer Ibáñez  <rofirrim@gmail.com>
3097         PR target/67896
3098         * config/aarch64/aarch64-builtins.c
3099         (aarch64_init_simd_builtin_types): Do not set structural
3100         equality to __Poly{8,16,64,128}_t types.
3102 2016-01-26  Richard Sandiford  <richard.sandiford@arm.com>
3104         PR tree-optimization/69400
3105         * wide-int.cc (wi_pack): Take the precision as argument and
3106         perform canonicalization here rather than in the callers.
3107         Use the main loop to handle all full-width HWIs.  Add a
3108         zero HWI if in_len isn't a full result.
3109         (wi::divmod_internal): Update accordingly.
3110         (wi::mul_internal): Likewise.  Simplify.
3112 2016-01-25  Aditya Kumar  <aditya.k7@samsung.com>
3113             Sebastian Pop  <s.pop@samsung.com>
3115         * graphite-poly.c (apply_poly_transforms): Simplify.
3116         (print_isl_set): Use more readable format: ISL_YAML_STYLE_BLOCK.
3117         (print_isl_map): Same.
3118         (print_isl_union_map): Same.
3119         (print_isl_schedule): New.
3120         (debug_isl_schedule): New.
3121         * graphite-dependences.c (scop_get_reads): Do not call
3122         isl_union_map_add_map that is undocumented isl functionality.
3123         (scop_get_must_writes): Same.
3124         (scop_get_may_writes): Same.
3125         (scop_get_original_schedule): Remove.
3126         (scop_get_dependences): Do not call isl_union_map_compute_flow that
3127         is deprecated in isl 0.15.  Instead, use isl_union_access_* interface.
3128         (compute_deps): Remove.
3129         * graphite-isl-ast-to-gimple.c (print_schedule_ast): New.
3130         (debug_schedule_ast): New.
3131         (translate_isl_ast_to_gimple::scop_to_isl_ast): Call
3132         set_separate_option.
3133         (graphite_regenerate_ast_isl): Add dump.
3134         (translate_isl_ast_to_gimple::scop_to_isl_ast): Generate code
3135         from scop->transformed_schedule.
3136         (graphite_regenerate_ast_isl): Add more dump.
3137         * graphite-optimize-isl.c (optimize_isl): Set
3138         scop->transformed_schedule.  Check whether schedules are equal.
3139         (apply_poly_transforms): Move here.
3140         * graphite-poly.c (apply_poly_transforms): ... from here.
3141         (free_poly_bb): Static.
3142         (free_scop): Static.
3143         (pbb_number_of_iterations_at_time): Remove.
3144         (print_isl_ast): New.
3145         (debug_isl_ast): New.
3146         (debug_scop_pbb): New.
3147         * graphite-scop-detection.c (print_edge): Move.
3148         (print_sese): Move.
3149         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Remove.
3150         (build_scop_scattering): Remove.
3151         (create_pw_aff_from_tree): Assert instead of bailing out.
3152         (add_condition_to_pbb): Remove unused code, do not fail.
3153         (add_conditions_to_domain): Same.
3154         (add_conditions_to_constraints): Remove.
3155         (build_scop_context): New.
3156         (add_iter_domain_dimension): New.
3157         (build_iteration_domains): Initialize pbb->iterators.
3158         Call add_conditions_to_domain.
3159         (nested_in): New.
3160         (loop_at): New.
3161         (index_outermost_in_loop): New.
3162         (index_pbb_in_loop): New.
3163         (outermost_pbb_in): New.
3164         (add_in_sequence): New.
3165         (add_outer_projection): New.
3166         (outer_projection_mupa): New.
3167         (add_loop_schedule): New.
3168         (build_schedule_pbb): New.
3169         (build_schedule_loop): New.
3170         (embed_in_surrounding_loops): New.
3171         (build_schedule_loop_nest): New.
3172         (build_original_schedule): New.
3173         (build_poly_scop): Call build_original_schedule.
3174         * graphite.h: Declare print_isl_schedule and debug_isl_schedule.
3175         (free_poly_dr): Remove.
3176         (struct poly_bb): Add iterators.  Remove schedule, transformed, saved.
3177         (free_poly_bb): Remove.
3178         (debug_loop_vec): Remove.
3179         (print_isl_ast): Declare.
3180         (debug_isl_ast): Declare.
3181         (scop_do_interchange): Remove.
3182         (scop_do_strip_mine): Remove.
3183         (scop_do_block): Remove.
3184         (flatten_all_loops): Remove.
3185         (optimize_isl): Remove.
3186         (pbb_number_of_iterations_at_time): Remove.
3187         (debug_scop_pbb): Declare.
3188         (print_schedule_ast): Declare.
3189         (debug_schedule_ast): Declare.
3190         (struct scop): Remove schedule.  Add original_schedule,
3191         transformed_schedule.
3192         (free_gimple_poly_bb): Remove.
3193         (print_generated_program): Remove.
3194         (debug_generated_program): Remove.
3195         (unify_scattering_dimensions): Remove.
3196         * sese.c (print_edge): ... here.
3197         (print_sese): ... here.
3198         (debug_edge): ... here.
3199         (debug_sese): ... here.
3200         * sese.h (print_edge): Declare.
3201         (print_sese): Declare.
3202         (dump_edge): Declare.
3203         (dump_sese): Declare.
3205 2016-01-25  Aditya Kumar  <aditya.k7@samsung.com>
3206             Sebastian Pop  <s.pop@samsung.com>
3208         * Makefile.in: Set ISLVER in site.exp.
3210 2016-01-25  Jakub Jelinek  <jakub@redhat.com>
3212         * omp-low.c (lower_omp_target) <case USE_DEVICE_PTR>: Set
3213         DECL_VALUE_EXPR of new_var even for the non-array case.  Look
3214         through DECL_VALUE_EXPR for expansion.
3216 2016-01-25  Bernd Edlinger  <bernd.edlinger@hotmail.de>
3218         * config/mips/mips.c (mips_compute_frame_info): Skip re-computing
3219         the frame info after reload completed.
3221 2016-01-25  Jeff Law  <law@redhat.com>
3223         PR tree-optimization/69196
3224         PR tree-optimization/68398
3225         * tree-ssa-threadupdate.h (enum bb_dom_status): Moved here from
3226         tree-ssa-threadupdate.c.
3227         (determine_bb_domination_status): Prototype
3228         * tree-ssa-threadupdate.c (enum bb_dom_status): Remove
3229         (determine_bb_domination_status): No longer static.
3230         (valid_jump_thread_path): Remove code to detect characteristics
3231         of the jump thread path not associated with correctness.
3232         * tree-ssa-threadbackward.c (fsm_find_control_statment_thread_paths):
3233         Correct test for thread path length.  Count PHIs for real operands as
3234         statements that need to be copied.  Do not count ASSERT_EXPRs.
3235         Look at all the blocks in the thread path.  Compute and selectively
3236         filter thread paths based on threading through the latch, threading
3237         a multiway branch or crossing a multiway branch.
3239 2016-01-25  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3241         * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled):  Add
3242         decl with __attribute__ ((unused)) annotation.
3244 2016-01-25  Ilya Enkovich  <enkovich.gnu@gmail.com>
3246         PR target/69421
3247         * tree-vect-stmts.c (vectorizable_condition): Check vectype
3248         of operands is compatible with a statement vectype.
3250 2016-01-25  Eric Botcazou  <ebotcazou@adacore.com>
3252         * doc/extend.texi (scalar_storage_order type attribute): Fix typo and
3253         improve wording for mixed storage order support.
3255 2016-01-25  Bilyan Borisov  <bilyan.borisov@arm.com>
3257         * config/aarch64/arm_neon.h (vcvt_s64_f64): New intrinsic.
3258         (vcvt_u64_f64): Likewise.
3259         (vcvta_s64_f64): Likewise.
3260         (vcvta_u64_f64): Likewise.
3261         (vcvtm_s64_f64): Likewise.
3262         (vcvtm_u64_f64): Likewise.
3263         (vcvtn_s64_f64): Likewise.
3264         (vcvtn_u64_f64): Likewise.
3265         (vcvtp_s64_f64): Likewise.
3266         (vcvtp_u64_f64): Likewise.
3268 2016-01-25  Claudiu Zissulescu  <claziss@synopsys.com>
3270         * config/arc/arc.c (TARGET_DWARF_REGISTER_SPAN): Define.
3271         (arc_init): Check validity mll64 option.
3272         (arc_save_restore): Use double load/store instruction.
3273         (arc_expand_movmem): Likewise.
3274         (arc_split_move): Don't split if we have double load/store
3275         instructions. Returns a boolean.
3276         (arc_process_double_reg_moves): Change function to return boolean
3277         instead of a sequence of instructions.
3278         (arc_dwarf_register_span): New function.
3279         * config/arc/arc-protos.h (arc_split_move): Change prototype.
3280         * config/arc/arc.h (TARGET_CPU_CPP_BUILTINS): Define __ARC_LL64__.
3281         * config/arc/arc.md (*movdi_insn): Emit ldd/std instructions.
3282         (*movdf_insn): Likewise.
3283         * config/arc/arc.opt (mll64): New option.
3284         * config/arc/predicates.md (even_register_operand): New predicate.
3285         * doc/invoke.texi (ARC Options): Add mll64 documentation.
3287 2016-01-25  Richard Biener  <rguenther@suse.de>
3289         PR lto/69393
3290         * dwarf2out.c (is_naming_typedef_decl): Not when DECL_NAMELESS.
3291         * tree-streamer-out.c (pack_ts_base_value_fields): Stream
3292         DECL_NAMELESS.
3293         * tree-streamer-in.c (unpack_ts_base_value_fields): Likewise.
3295 2016-01-25  Richard Biener  <rguenther@suse.de>
3297         PR tree-optimization/69376
3298         * tree-ssa-sccvn.h (struct vn_ssa_aux): Add range_info_anti_range_p
3299         flag.
3300         (VN_INFO_ANTI_RANGE_P): New inline.
3301         (VN_INFO_RANGE_TYPE): Likewise.
3302         * tree-ssa-sccvn.c (set_ssa_val_to): Also record and copy
3303         SSA_NAME_ANTI_RANGE_P.
3304         (free_scc_vn): Restore SSA_NAME_ANTI_RANGE_P.
3305         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
3306         Properly query VN_INFO_RANGE_TYPE.
3308 2016-01-25  Nick Clifton  <nickc@redhat.com>
3310         PR target/66655
3311         * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Remove definition.
3313 2016-01-23  Tom de Vries  <tom@codesourcery.com>
3315         PR tree-optimization/69426
3316         * tree-parloops.c (eliminate_local_variables_stmt): Handle vdef of
3317         removed clobber.
3319 2016-01-23  Jakub Jelinek  <jakub@redhat.com>
3321         * tree-ssanames.c (release_free_names_and_compact_live_names): Replace
3322         "the the" with "the" in the comments.
3323         * ipa-devirt.c (build_type_inheritance_graph,
3324         update_type_inheritance_graph): Likewise.
3325         * tree.c (build_function_type_list_1): Likewise.
3326         * cfgloopmanip.c (scale_loop_profile): Likewise.
3327         * tree-ssa-loop-ivopts.c (get_shiftadd_cost): Likewise.
3328         * gimple-ssa-split-paths.c
3329         (find_block_to_duplicate_for_splitting_paths): Likewise.
3330         * tree-sra.c (init_subtree_with_zero, clobber_subtree): Likewise.
3331         * expr.c (convert_move): Likewise.
3332         * var-tracking.c (vt_stack_adjustments): Likewise.
3333         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Likewise.
3334         * tree-vrp.c (test_for_singularity): Likewise.
3336         * tree-vect-stmts.c (vectorizable_condition): Build a VEC_COND_EXPR
3337         directly instead of building a temporary tree.
3339         PR bootstrap/69434
3340         * genrecog.c: Define INCLUDE_ALGORITHM before including system.h,
3341         remove <algorithm> include.
3343 2016-01-22  Jakub Jelinek  <jakub@redhat.com>
3345         PR target/69432
3346         * config/i386/i386.c: Include dojump.h.
3347         (expand_small_movmem_or_setmem,
3348         expand_set_or_movmem_prologue_epilogue_by_misaligned_moves): Spelling
3349         fixes.
3350         (ix86_expand_set_or_movmem): Call do_pending_stack_adjust () early
3351         if dynamic_check != -1.
3353 2016-01-21  Jeff Law  <law@redhat.com>
3355         PR middle-end/69347
3356         * tree-ssa-dom.c (back_propagate_equivalences): Factored out of
3357         record_temporary_equivalences.  Rewritten to avoid unnecessary calls
3358         into dominated_by_p.
3359         (cprop_into_successor_phis): Avoid unnecessary tests.
3361 2016-01-22  Richard Henderson  <rth@redhat.com>
3363         PR target/69416
3364         * config/aarch64/aarch64.md (UNSPEC_NZCV): New.
3365         (ccmp<mode>, fccmp<mode>, fccmpe<mode>): Use it.
3367 2016-01-22  Michael Matz  <matz@suse.de>
3369         * system.h (string, algorithm): Include only conditionally.
3370         (new): Include always under C++.
3371         * bb-reorder.c (toplevel): Define INCLUDE_ALGORITHM.
3372         * final.c (toplevel): Ditto.
3373         * ipa-chkp.c (toplevel): Define INCLUDE_STRING.
3374         * genconditions.c (write_header): Make gencondmd.c define
3375         INCLUDE_STRING.
3376         * mem-stats.h (mem_usage::print_dash_line): Don't use std::string.
3378         * config/aarch64/aarch64.c (toplevel): Define INCLUDE_STRING.
3379         * common/config/aarch64/aarch64-common.c (toplevel): Ditto.
3381 2016-01-22  Christian Bruel  <christian.bruel@st.com>
3383         PR target/68674
3384         * expr.c (expand_expr_real_1): Reset DECL_MODE if VECTOR_TYPE_P changed.
3386 2016-01-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3388         PR target/69403
3389         * config/arm/thumb2.md (*thumb2_ior_scc_strict_it): Convert to
3390         define_insn_and_split.  Ensure operands[1] and operands[0] do not
3391         get assigned the same register.
3393 2016-01-22  Kugan Vivekanandarajah  <kuganv@linaro.org>
3395         * ipa-prop.c (ipa_set_jf_constant): Remove redundant unshare_expr.
3397 2016-01-22  Christian Bruel  <christian.bruel@st.com>
3399         * config/arm/arm-c.c (arm_pragma_target_parse):
3400         Remove warn_builtin_macro_redefined overwrite.
3402 2016-01-22  Eric Botcazou  <ebotcazou@adacore.com>
3404         * ipa-inline.c (can_inline_edge_p): Back out overzealous check on
3405         flag_non_call_exceptions compatibility.
3407 2016-01-22  Jakub Jelinek  <jakub@redhat.com>
3409         PR debug/66668
3410         * dwarf2out.c (add_child_die_after): New function.
3411         (dwarf_qual_info_t): New type.
3412         (dwarf_qual_info): New variable.
3413         (qualified_die_p): New function.
3414         (modified_type_die): For -fdebug-types-section, ensure
3415         canonical order of qualifiers.  Put qualified DIEs adjacent
3416         to the corresponding non-qualified type DIE and search there
3417         for existing qualified DIEs.
3419 2016-01-22  Eric Botcazou  <ebotcazou@adacore.com>
3421         * doc/extend.texi (scalar_storage_order type attribute): Document
3422         restriction on type punning and aliasing, and remove future tense.
3424 2016-01-21  Roman Zhuykov  <zhroma@ispras.ru>
3426         PR target/69252
3427         * modulo-sched.c (optimize_sc): Allow branch-scheduling to add a new
3428         first stage.
3430 2016-01-21  Jeff Law  <law@redhat.com>
3432         PR middle-end/69347
3433         * tree-ssa-dom.c (dom_opt_dom_walker::thread_across_edge): Avoid
3434         useless call to record_temporary_equivalences.
3435         * tree-ssa-threadbackward.c (find_jump_threads_backwards): Just
3436         allocate 10 slots in the bb_path vector and let it grow as needed.
3437         (fsm_find_control_statement_thread_paths): Similarly for the next_path
3438         vector.
3440 2016-01-21  David Edelsohn  <dje.gcc@gmail.com>
3442         * configure.ac (gcc_cv_as_powerpc_mfcrf, gcc_cv_as_machine_directive):
3443         Detangle.
3444         * configure: Regenerate.
3446 2016-01-21  Pat Haugen  <pthaugen@us.ibm.com>
3448         * config/rs6000/aix71.h (ASM_CPU_SPEC): Add entry for Power9.
3449         * config/rs6000/driver-rs6000.c (struct asm_names): Likewise.
3451 2016-01-21  Bernd Schmidt  <bschmidt@redhat.com>
3453         PR middle-end/66178
3454         * expr.c (expand_expr_real_2) [PLUS_EXPR, MINUS_EXPR]: Don't
3455         drop EXPAND_INITIALIZER.
3456         * rtl.h (contains_symbolic_reference_p): Declare.
3457         * rtlanal.c (contains_symbolic_reference_p): New function.
3458         * simplify-rtx.c (simplify_binary_operation_1): Don't turn
3459         a subtraction into a NOT if symbolic constants are involved.
3461 2016-01-21  Anton Blanchard  <anton@samba.org>
3462             Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3464         PR target/63354
3465         * config/rs6000/linux64.h (TARGET_KEEP_LEAF_WHEN_PROFILED): New
3466         #define.
3467         * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled): New
3468         function.
3470 2016-01-21  Ajit Agarwal  <ajitkum@xilinx.com>
3472         * config/microblaze/microblaze.c
3473         (get_branch_target): New.
3474         (insert_wic_for_ilb_runout): New.
3475         (insert_wic): New.
3476         (microblaze_machine_dependent_reorg): New.
3477         (TARGET_MACHINE_DEPENDENT_REORG): Define macro.
3478         * config/microblaze/microblaze.md
3479         (UNSPEC_IPREFETCH): Define.
3480         (iprefetch): New pattern
3481         * config/microblaze/microblaze.opt
3482         (mxl-prefetch): New flag.
3484 2016-01-21  Ajit Agarwal  <ajitkum@xilinx.com>
3486         * config/microblaze/microblaze.h
3487         (FIXED_REGISTERS): Update in macro.
3488         (CALL_USED_REGISTERS): Update in macro.
3490 2016-01-21  Yuri Rumyantsev  <ysrumyan@gmail.com>
3492         PR rtl-optimization/68920
3493         * ifcvt.c (cond_move_process_if_block): Limit number of conditional
3494         moves.
3496 2016-01-21  Vladimir Makarov  <vmakarov@redhat.com>
3498         PR rtl-optimization/68990
3499         * lra-coalesce.c (lra_coalesce): Invalidate value for the result
3500         pseudo instead of inheritance ones.
3502 2016-01-21  Bernd Edlinger  <bernd.edlinger@hotmail.de>
3503             Nick Clifton  <nickc@redhat.com>
3505         PR target/69129
3506         PR target/69012
3507         * config/mips/mips.c (mips_compute_frame_info): Initialise
3508         args_size and hard_frame_pointer_offset fields of the frame
3509         structure before calling mips_global_pointer.
3511 2016-01-21  David Edelsohn  <dje.gcc@gmail.com>
3513         * configure.ac (gcc_cv_as_dwloc): Test support for debug frame section
3514         label reference.
3515         * configure: Regenerate.
3517 2016-01-21  Richard Biener  <rguenther@suse.de>
3519         * graphite-optimize-isl.c (get_schedule_map): Fix typo.
3521 2016-01-21  Marcin Kościelnicki  <koriakin@0x04.net>
3523         * config/s390/s390.c (s390_asm_declare_function_size): Add code
3524         to actually emit the .size directive.
3526 2016-01-21   Stefan Sørensen  <stefan.sorensen@spectralink.com>
3527              Jakub Jelinek  <jakub@redhat.com>
3529         PR target/69187
3530         PR target/65624
3531         * config/arm/arm-builtins.c (arm_expand_neon_builtin): Increase
3532         args array size by one to avoid buffer overflow.
3534 2016-01-21  Marcin Kościelnicki  <koriakin@0x04.net>
3536         * config/s390/s390.md (pool_section_start): Use switch_to_section
3537         to select proper read-only data section instead of hardcoding
3538         .rodata.
3539         (pool_section_end): Use switch_to_section to match the above.
3541 2016-01-21  Richard Biener  <rguenther@suse.de>
3543         PR tree-optimization/69378
3544         * tree-ssa-sccvn.c (dominated_by_p_w_unex): New function.
3545         (set_ssa_val_to): Use it for dominance checks taking into
3546         account not executable edges.
3548 2016-01-21  Jakub Jelinek  <jakub@redhat.com>
3550         PR c++/69355
3551         * tree-dfa.c (get_ref_base_and_extent): Use GET_MODE_BITSIZE (mode)
3552         for bitsize instead of GET_MODE_PRECISION (mode).
3554 2016-01-20  Martin Sebor  <msebor@redhat.com>
3556         PR c/52291
3557         * extend.texi (__sync Builtins): Clarify the semantics of
3558         __sync_fetch_and_OP built-ins on pointers.
3559         (__atomic Builtins): Same.
3561 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
3562             Sebastian Pop  <s.pop@samsung.com>
3564         * graphite-isl-ast-to-gimple.c (enum phi_node_kind): New.
3565         (class translate_isl_ast_to_gimple): Use phi_node_kind instead of bool.
3566         (is_valid_rename): Same.
3567         (translate_isl_ast_to_gimple::get_rename): Same.
3568         (translate_isl_ast_to_gimple::rename_all_uses): Same.
3569         (translate_isl_ast_to_gimple::rename_uses): Same.
3570         (get_new_name): Check for close_phi nodes.
3571         (copy_loop_phi_args): Use phi_node_kind.
3572         (translate_isl_ast_to_gimple::copy_loop_close_phi_args): Same.
3573         (translate_isl_ast_to_gimple::copy_cond_phi_args): Same.
3575 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
3576             Sebastian Pop  <s.pop@samsung.com>
3578         Revert commit r229783.
3579         * graphite-isl-ast-to-gimple.c (gcc_expression_from_isl_ast_expr_id):
3580         Remove use of parameter_rename_map.
3581         (copy_def): Remove.
3582         (copy_internal_parameters): Remove.
3583         (graphite_regenerate_ast_isl): Remove call to copy_internal_parameters.
3584         * sese.c (new_sese_info): Do not initialize parameter_rename_map.
3585         (free_sese_info): Do not free parameter_rename_map.
3586         (set_rename): Do not use parameter_rename_map.
3587         (rename_uses): Update call to set_rename.
3588         (graphite_copy_stmts_from_block): Do not use parameter_rename_map.
3589         * sese.h (parameter_rename_map_t): Remove.
3590         (struct sese_info_t): Remove field parameter_rename_map.
3592 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
3593             Sebastian Pop  <s.pop@samsung.com>
3595         * graphite-isl-ast-to-gimple.c: Fix comment.
3596         * graphite-scop-detection.c (defined_in_loop_p): New.
3597         (canonicalize_loop_closed_ssa): Do not add close phi nodes for SSA
3598         names defined in loop.
3600 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
3601             Sebastian Pop  <s.pop@samsung.com>
3603         * graphite-scop-detection.c (scop_detection::harmful_loop_in_region):
3604         Discard unstructured if-then-else regions.
3606 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
3607             Sebastian Pop  <s.pop@samsung.com>
3609         * graphite-sese-to-poly.c (set_scop_parameter_dim): Remove.
3610         (cleanup_loop_iter_dom): Remove.
3611         (build_loop_iteration_domains): Remove.
3612         (build_scop_context): Remove.
3613         (build_scop_iteration_domain): Remove.
3614         (add_loop_constraints): New.
3615         (build_iteration_domains): New.
3616         (build_poly_scop): Call build_iteration_domains.
3618 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
3619             Sebastian Pop  <s.pop@samsung.com>
3621         * graphite-scop-detection.c
3622         (scop_detection::harmful_loop_in_region): Free dom and loops.
3623         (scop_detection::loop_body_is_valid_scop): Free bbs.
3625 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
3626             Sebastian Pop  <s.pop@samsung.com>
3628         * graphite-scop-detection.c (record_loop_in_sese): New.
3629         (gather_bbs::before_dom_children): Call record_loop_in_sese.
3630         (build_scops): Remove call to build_sese_loop_nests.
3631         * sese.c (sese_record_loop): Remove.
3632         (build_sese_loop_nests): Remove.
3633         (new_sese_info): Remove region->loops.
3634         (free_sese_info): Same.
3635         * sese.h (sese_contains_loop): Same.
3636         (build_sese_loop_nests): Remove.
3637         (sese_contains_loop): Remove.
3639 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
3640             Sebastian Pop  <s.pop@samsung.com>
3642         * graphite-scop-detection.c (loop_is_valid_scop): Renamed
3643         loop_is_valid_in_scop.
3644         (scop_detection::harmful_stmt_in_region): Renamed
3645         harmful_loop_in_region.
3646         Call loop_is_valid_in_scop.
3648 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
3649             Sebastian Pop  <s.pop@samsung.com>
3651         * graphite-isl-ast-to-gimple.c (translate_isl_ast): Also handle
3652         isl_ast_node_mark.
3654 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
3655             Sebastian Pop  <s.pop@samsung.com>
3657         * graphite-poly.c (new_poly_bb): Remove use of PBB_IS_REDUCTION.
3658         * graphite.h (struct poly_bb): Remove field is_reduction.
3659         (PBB_IS_REDUCTION): Remove.
3661 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
3662             Sebastian Pop  <s.pop@samsung.com>
3664         * graphite-dependences.c (constrain_domain): Add call to isl_*_coalesce.
3665         (add_pdr_constraints): Same.
3666         (scop_get_reads): Same.
3667         (scop_get_must_writes): Same.
3668         (scop_get_may_writes): Same.
3669         (scop_get_original_schedule): Same.
3670         (extend_schedule): Same.
3671         (apply_schedule_on_deps): Same.
3672         (carries_deps): Same.
3673         (compute_deps): Same.
3674         (scop_get_dependences): Same.
3675         * graphite-isl-ast-to-gimple.c
3676         (translate_isl_ast_to_gimple::generate_isl_schedule): Same.
3677         * graphite-optimize-isl.c (get_schedule_for_band): Same.
3678         (get_schedule_for_band_list): Same.
3679         (get_schedule_map): Same.
3680         (apply_schedule_map_to_scop): Same.
3681         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
3682         (build_loop_iteration_domains): Same.
3683         (add_condition_to_pbb): Same.
3684         (add_param_constraints): Same.
3685         (pdr_add_memory_accesses): Same.
3686         (pdr_add_data_dimensions): Same.
3688 2016-01-20  Sandra Loosemore  <sandra@codesourcery.com>
3690         * doc/invoke.texi (Instrumentation Options): Clarify -mmpx linking
3691         requirements.
3693 2016-01-20  Sandra Loosemore  <sandra@codesourcery.com>
3695         * common.opt (feliminate-dwarf2-dups): Replace references to
3696         "DWARF 2" with just "DWARF".
3697         * config/ia64/ia64.opt (mdwarf2-asm): Likewise.
3698         * doc/extend.texi: Likewise.
3699         * doc/cpp.texi: Likewise.
3700         * doc/invoke.texi: Likewise.
3701         (Option Summary): Add -gdwarf to list of Debugging Options.
3702         (Debugging Options): Document -gdwarf.
3703         * doc/contrib.texi: Spell "DWARF" like that.
3705 2016-01-21  Jakub Jelinek  <jakub@redhat.com>
3707         * omp-low.c (expand_omp_target): Avoid -Wmaybe-uninitialized
3708         warning.  Fix up formatting.
3710         PR middle-end/67653
3711         * gimplify.c (gimplify_asm_expr): Warn if it is too late to
3712         attempt to mark memory input operand addressable and
3713         call prepare_gimple_addressable in that case.  Don't adjust
3714         input_location for diagnostics, use error_at instead.
3716 2016-01-20  Peter Bergner  <bergner@vnet.ibm.com>
3718         * config/rs6000/ppc-auxv.h: New file.
3719         * config/rs6000/rs6000-builtin.def (cpu_init): Add new builtin.
3720         (cpu_is): Likewise.
3721         (cpu_supports): Likewise.
3722         * config/rs6000/rs6000.c: include "ppc-auxv.h".
3723         (cpu_is_info): New variable.
3724         (cpu_supports_info): Likewise.
3725         (tcb_verification_symbol): Likewise.
3726         (cpu_builtin_p): Likewise.
3727         (cpu_expand_builtin): New function.
3728         (rs6000_expand_ternop_builtin): Add support for CPU builtin functions.
3729         (rs6000_init_builtins): Likewise.
3730         (rs6000_elf_file_end): Emit HWCAP in TCB verification symbol.
3731         * config/rs6000/rs6000.h (TLS_REGNUM): New define.
3732         * configure.ac (gcc_cv_libc_provides_hwcap_in_tcb): New test.
3733         * configure: Regenerate.
3734         * config.in: Likewise.
3735         * doc/extend.texi (PowerPC Built-in Functions): Document
3736         __builtin_cpu_init, __builtin_cpu_is and __builtin_cpu_supports.
3738 2016-01-20  David Edelsohn  <dje.gcc@gmail.com>
3740         PR target/68609
3741         * config/rs6000/rs6000.c (rs6000_emit_swsqrt): Add vector sqrt
3742         domain check.
3743         * config/rs6000/vector.md (sqrt<mode>2): Call rs6000_emit_swsqrt
3744         for V4SFmode.
3746 2016-01-20  Richard Henderson  <rth@redhat.com>
3748         PR bootstrap/69343
3749         PR bootstrap/69339
3750         PR tree-opt/68964
3751         Revert:
3752         * tree.c (tm_define_builtin): New.
3753         (find_tm_vector_type): New.
3754         (build_tm_vector_builtins): New.
3755         (build_common_builtin_nodes): Call it.
3757 2016-01-20  Christophe Lyon  <christophe.lyon@linaro.org>
3759         * doc/sourcebuild.texi (arm_crypto_pragma_ok): Document new entry.
3760         (arm_fp_ok): Likewise.
3761         (arm_fp): Likewise.
3762         (arm_crypto): Likewise.
3764 2016-01-20  Ilya Enkovich  <enkovich.gnu@gmail.com>
3765             Richard Biener  <rguenther@suse.de>
3767         PR tree-optimization/69328
3768         * tree-vect-stmts.c (vect_is_simple_cond): Check compared
3769         vectors have same number of elements.
3770         (vectorizable_condition): Fix masked version recognition.
3772 2016-01-20  Richard Biener  <rguenther@suse.de>
3774         PR tree-optimization/69345
3775         * tree-ssa-sccvn.h (VN_INFO_RANGE_INFO): New inline function.
3776         (VN_INFO_PTR_INFO): Likewise.
3777         * tree-ssa-sccvn.c (set_ssa_val_to): Avoid clearing points-to
3778         info when it is equal between non-dominating SSA names.
3779         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
3780         Make sure to look at original SSA infos.
3782 2016-01-20  Jeff Law  <law@redhat.com>
3784         PR target/25114
3785         * config/m68k/predicates.md (pow2_m1_operand): New predicate
3786         extracted from ...
3787         (reg_or_pow2_m1_operand): Call pow2_m1_operand.
3788         (pc_or_label_operand): New predicate.
3789         * config/m68k/m68k.md: Add new peephole2 patterns for GTU/LEU
3790         tests for small integers that are 2^n - 1.
3792 2016-01-20  Jonathan Wakely  <jwakely@redhat.com>
3794         * doc/invoke.texi (Options Summary): Add '.' after @xref.
3796 2016-01-19  Jeff Law  <law@redhat.com>
3798         PR middle-end/69347
3799         * tree-ssa-threadbackwards.c
3800         (fsm_find_control_statement_thread_paths): Do not try to lookup
3801         FSM paths for SSA_NAMEs appearing in abnormal PHIs.
3803 2016-01-20  Kugan Vivekanandarajah  <kuganv@linaro.org>
3805         * doc/lto.texi: Remove text that says only Gold has linker plugin
3806         support.
3808 2016-01-19  Eric Botcazou  <ebotcazou@adacore.com>
3810         * dwarf2out.c (need_endianity_attribute_p): New inline predicate.
3811         (base_type_die): Add REVERSE parameter and attach DW_AT_endianity to
3812         the DIE accordingly.
3813         (modified_type_die): Add REVERSE parameter and pass it recursively,
3814         as well as to base_type_die.  Adjust presence check accordingly.
3815         (base_type_for_mode): Adjust call to modified_type_die.
3816         (add_type_attribute): Add REVERSE parameter and pass it to
3817         modified_type_die.
3818         (generic_parameter_die): Adjust call to add_type_attribute.
3819         (add_scalar_info): Likewise.
3820         (add_subscript_info): Likewise.
3821         (gen_array_type_die): Likewise.
3822         (gen_descr_array_type_die): Likewise.
3823         (gen_entry_point_die): Likewise.
3824         (gen_enumeration_type_die): Likewise.
3825         (gen_formal_parameter_die): Likewise.
3826         (gen_subprogram_die): Likewise.
3827         (gen_variable_die ): Likewise.
3828         (gen_const_die): Likewise.
3829         (gen_field_die): Likewise.
3830         (gen_pointer_type_die): Likewise.
3831         (gen_reference_type_die): Likewise.
3832         (gen_ptr_to_mbr_type_die): Likewise.
3833         (gen_inheritance_die): Likewise.
3834         (gen_subroutine_type_die): Likewise.
3835         (gen_typedef_die): Likewise.
3836         (force_type_die): Adjust call to modified_type_die.
3838 2016-01-19  Sandra Loosemore  <sandra@codesourcery.com>
3840         * doc/standards.texi: Copy-editing for grammar, markup, and sentence
3841         flow throughout the file.  Fix broken link to Objective-C 2.0
3842         documentation.
3843         * doc/invoke.texi: More copy-editing; fix numerous typos and spelling
3844         errors.
3846 2016-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
3848         * ccmp.c (expand_ccmp_expr_1): Avoid spurious unused warnings.
3850 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
3852         PR ipa/66223
3853         * ipa-devirt.c (is_cxa_pure_virtual_p): New function.
3854         (maybe_record_node): Record cxa_pure_virtual as the only possible
3855         target if there are not ohter candidates.
3856         (possible_polymorphic_call_target_p): Accept cxa_pure_virtual.
3858 2016-01-19  Richard Biener  <rguenther@suse.de>
3860         * hsa-gen.c (get_memory_order_name): Use MEMMODEL_ constants.
3861         (get_memory_order): Likewise.
3863 2016-01-19  Kirill Yukhin  <kirill.yukhin@intel.com>
3865         * tree-vect-stmts.c (vectorizable_store): Check
3866         rhs vectype.
3868 2016-01-19  David Malcolm  <dmalcolm@redhat.com>
3870         PR jit/68446
3871         * gcc.c (driver::decode_argv): Add call to
3872         init_opts_obstack before init_options_struct.
3873         * opts.c (init_opts_obstack): Remove idempotency.
3874         (init_options_struct): Replace call to init_opts_obstack
3875         with a gcc_assert to verify that it has already been called.
3876         * toplev.c (toplev::main): Add call to init_opts_obstack before
3877         calls to init_options_struct.
3878         (toplev::finalize): Move cleanup of opts_obstack next to
3879         cleanup of save_decoded_options, clearing the latter, and
3880         save_decoded_options_count.
3882 2016-01-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3884         PR target/69135
3885         * config/arm/vfp.md (l<vrint_pattern><su_optab><mode>si2): Set "conds"
3886         attribute to unconditional.  Remove %? from output template.
3888 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
3889             Jiong Wang  <jiong.wang@arm.com>
3891         * ccmp.c (expand_ccmp_expr_1): Cost the instruction sequences
3892         generated from different expand order.
3894 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
3896         * /config/aarch64/aarch64.c (aarch64_if_then_else_costs):
3897         Add support for CCMP costing.
3899 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
3901         * ccmp.c (ccmp_candidate_p): Remove integer-only restriction.
3902         * config/aarch64/aarch64.md (fccmp<mode>): New pattern.
3903         (fccmpe<mode>): Likewise.
3904         (fcmp): Rename to fcmp and globalize pattern.
3905         (fcmpe): Likewise.
3906         * config/aarch64/aarch64.c (aarch64_gen_ccmp_first): Add FP support.
3907         (aarch64_gen_ccmp_next): Add FP support.
3909 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
3911         * target.def (gen_ccmp_first): Update documentation.
3912         (gen_ccmp_next): Likewise.
3913         * doc/tm.texi (gen_ccmp_first): Update documentation.
3914         (gen_ccmp_next): Likewise.
3915         * ccmp.c (expand_ccmp_expr): Extract cmp_code from return value of
3916         expand_ccmp_expr_1.  Improve comments.
3917         * config/aarch64/aarch64.md (ccmp_and): Use if_then_else for ccmp.
3918         (ccmp_ior<mode>): Remove pattern.
3919         (cmp<mode>): Remove expand.
3920         (cmp): Globalize pattern.
3921         (cstorecc4): Use cc_register.
3922         (mov<mode>cc): Remove ccmp_cc_register check.
3923         * config/aarch64/aarch64.c (aarch64_get_condition_code_1):
3924         Simplify after removal of CC_DNE/* modes.
3925         (aarch64_ccmp_mode_to_code): Remove.
3926         (aarch64_print_operand): Remove 'K' case.  Merge 'm' and 'M' cases.
3927         In 'k' case use integer as condition.
3928         (aarch64_nzcv_codes): Remove inverted cases.
3929         (aarch64_code_to_ccmode): Remove.
3930         (aarch64_gen_ccmp_first): Use cmp pattern directly.  Return the correct
3931         comparison with CC register to be used in folowing CCMP/branch/CSEL.
3932         (aarch64_gen_ccmp_next): Use previous comparison and mode in CCMP
3933         pattern.  Return the comparison with CC register.  Invert conditions
3934         when bitcode is OR.
3935         * config/aarch64/aarch64-modes.def: Remove CC_DNE/* modes.
3936         * config/aarch64/predicates.md (ccmp_cc_register): Remove.
3938 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
3940         * cgraphunit.c (cgraph_node::reset): Clear thunk info and
3941         instrumented_version.
3943 2016-01-19  Richard Biener  <rguenther@suse.de>
3945         PR tree-optimization/69336
3946         * tree-ssa-scopedtables.c (avail_expr_hash): Handle all
3947         handled components with get_ref_base_and_extent.
3948         (equal_mem_array_ref_p): Adjust.
3950 2016-01-19  Jakub Jelinek  <jakub@redhat.com>
3952         PR debug/65779
3953         * shrink-wrap.c: Include valtrack.h.
3954         (move_insn_for_shrink_wrap): Add DEBUG argument.  If
3955         MAY_HAVE_DEBUG_INSNS, call dead_debug_add on DEBUG_INSNs
3956         in between insn and where it will be moved to.  Call
3957         dead_debug_insert_temp.
3958         (prepare_shrink_wrap): Adjust caller.  Call dead_debug_local_init
3959         first and dead_debug_local_finish at the end.
3960         For uses and defs bitmap, handle all regs in between REGNO and
3961         END_REGNO, not just the first one.
3963 2016-01-19  Richard Biener  <rguenther@suse.de>
3965         PR tree-optimization/69352
3966         * tree-ssa-scopedtables.c (avail_expr_hash): Check for size == -1.
3967         (equal_mem_array_ref_p): Constrain size and max size properly.
3968         Compare the reverse flag.
3970 2016-01-19  Bernd Schmidt  <bschmidt@redhat.com>
3972         * ira.c (ira): Update regstat data if we deleted insns.
3974 2016-01-19  Jakub Jelinek  <jakub@redhat.com>
3976         PR rtl-optimization/68955
3977         PR rtl-optimization/64557
3978         * dse.c (record_store, check_mem_read_rtx): Don't call get_addr
3979         here.  Fix up formatting.
3980         * alias.c (get_addr): Handle VALUE +/- CONST_SCALAR_INT_P.
3982 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
3984         PR lto/69133
3985         * cgraphunit.c (cgraph_node::expand_thunk): When forcing gimple
3986         assume that the node has body.
3987         * cgraph.c (cgraph_node::get_untransformed_body): Use gimple_body_p
3988         check.
3990 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
3992         * lto-streamer-out.c (lto_output): Do not stream instrumentation
3993         thunks.
3995 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
3997         * symtab.c (symtab_node::asm_name): Do not call printable name directly.
3998         (symtab_node::name): Report name as unnamed if DECL_NAME is not set.
4000 2016-01-19  Martin Jambor  <mjambor@suse.cz>
4001             Martin Liska  <mliska@suse.cz>
4002             Michael Matz  <matz@suse.de>
4004         * Makefile.in (OBJS): Add new source files.
4005         (GTFILES): Add hsa.c.
4006         * common.opt (disable_hsa): New variable.
4007         (-Whsa): New warning.
4008         * config.in (ENABLE_HSA): New.
4009         * configure.ac: Treat hsa differently from other accelerators.
4010         (OFFLOAD_TARGETS): Define ENABLE_OFFLOADING according to
4011         $enable_offloading.
4012         (ENABLE_HSA): Define ENABLE_HSA according to $enable_hsa.
4013         * doc/install.texi (Configuration): Document --with-hsa-runtime,
4014         --with-hsa-runtime-include, --with-hsa-runtime-lib and
4015         --with-hsa-kmt-lib.
4016         * doc/invoke.texi (-Whsa): Document.
4017         (hsa-gen-debug-stores): Likewise.
4018         * lto-wrapper.c (compile_images_for_offload_targets): Do not attempt
4019         to invoke offload compiler for hsa acclerator.
4020         * opts.c (common_handle_option): Determine whether HSA offloading
4021         should be performed.
4022         * params.def (PARAM_HSA_GEN_DEBUG_STORES): New parameter.
4023         * builtin-types.def (BT_FN_VOID_UINT_PTR_INT_PTR): New.
4024         (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_INT_INT): Removed.
4025         (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_PTR): New.
4026         * gimple-low.c (lower_stmt): Also handle GIMPLE_OMP_GRID_BODY.
4027         * gimple-pretty-print.c (dump_gimple_omp_for): Also handle
4028         GF_OMP_FOR_KIND_GRID_LOOP.
4029         (dump_gimple_omp_block): Also handle GIMPLE_OMP_GRID_BODY.
4030         (pp_gimple_stmt_1): Likewise.
4031         * gimple-walk.c (walk_gimple_stmt): Likewise.
4032         * gimple.c (gimple_build_omp_grid_body): New function.
4033         (gimple_copy): Also handle GIMPLE_OMP_GRID_BODY.
4034         * gimple.def (GIMPLE_OMP_GRID_BODY): New.
4035         * gimple.h (enum gf_mask): Added GF_OMP_PARALLEL_GRID_PHONY,
4036         GF_OMP_FOR_KIND_GRID_LOOP, GF_OMP_FOR_GRID_PHONY and
4037         GF_OMP_TEAMS_GRID_PHONY.
4038         (gimple_statement_omp_single_layout): Updated comments.
4039         (gimple_build_omp_grid_body): New function.
4040         (gimple_has_substatements): Also handle GIMPLE_OMP_GRID_BODY.
4041         (gimple_omp_for_grid_phony): New function.
4042         (gimple_omp_for_set_grid_phony): Likewise.
4043         (gimple_omp_parallel_grid_phony): Likewise.
4044         (gimple_omp_parallel_set_grid_phony): Likewise.
4045         (gimple_omp_teams_grid_phony): Likewise.
4046         (gimple_omp_teams_set_grid_phony): Likewise.
4047         (gimple_return_set_retbnd): Also handle GIMPLE_OMP_GRID_BODY.
4048         * omp-builtins.def (BUILT_IN_GOMP_OFFLOAD_REGISTER): New.
4049         (BUILT_IN_GOMP_OFFLOAD_UNREGISTER): Likewise.
4050         (BUILT_IN_GOMP_TARGET): Updated type.
4051         * omp-low.c: Include symbol-summary.h, hsa.h and params.h.
4052         (adjust_for_condition): New function.
4053         (get_omp_for_step_from_incr): Likewise.
4054         (extract_omp_for_data): Moved parts to adjust_for_condition and
4055         get_omp_for_step_from_incr.
4056         (build_outer_var_ref): Handle GIMPLE_OMP_GRID_BODY.
4057         (fixup_child_record_type): Bail out if receiver_decl is NULL.
4058         (scan_sharing_clauses): Handle OMP_CLAUSE__GRIDDIM_.
4059         (scan_omp_parallel): Do not create child functions for phony
4060         constructs.
4061         (check_omp_nesting_restrictions): Handle GIMPLE_OMP_GRID_BODY.
4062         (scan_omp_1_op): Checking assert we are not remapping to
4063         ERROR_MARK.  Also also handle GIMPLE_OMP_GRID_BODY.
4064         (parallel_needs_hsa_kernel_p): New function.
4065         (expand_parallel_call): Register apprpriate parallel child
4066         functions as HSA kernels.
4067         (grid_launch_attributes_trees): New type.
4068         (grid_attr_trees): New variable.
4069         (grid_create_kernel_launch_attr_types): New function.
4070         (grid_insert_store_range_dim): Likewise.
4071         (grid_get_kernel_launch_attributes): Likewise.
4072         (get_target_argument_identifier_1): Likewise.
4073         (get_target_argument_identifier): Likewise.
4074         (get_target_argument_value): Likewise.
4075         (push_target_argument_according_to_value): Likewise.
4076         (get_target_arguments): Likewise.
4077         (expand_omp_target): Call get_target_arguments instead of looking
4078         up for teams and thread limit.
4079         (grid_expand_omp_for_loop): New function.
4080         (grid_arg_decl_map): New type.
4081         (grid_remap_kernel_arg_accesses): New function.
4082         (grid_expand_target_kernel_body): New function.
4083         (expand_omp): Call it.
4084         (lower_omp_for): Do not emit phony constructs.
4085         (lower_omp_taskreg): Do not emit phony constructs but create for them
4086         a temporary variable receiver_decl.
4087         (lower_omp_taskreg): Do not emit phony constructs.
4088         (lower_omp_teams): Likewise.
4089         (lower_omp_grid_body): New function.
4090         (lower_omp_1): Call it.
4091         (grid_reg_assignment_to_local_var_p): New function.
4092         (grid_seq_only_contains_local_assignments): Likewise.
4093         (grid_find_single_omp_among_assignments_1): Likewise.
4094         (grid_find_single_omp_among_assignments): Likewise.
4095         (grid_find_ungridifiable_statement): Likewise.
4096         (grid_target_follows_gridifiable_pattern): Likewise.
4097         (grid_remap_prebody_decls): Likewise.
4098         (grid_copy_leading_local_assignments): Likewise.
4099         (grid_process_kernel_body_copy): Likewise.
4100         (grid_attempt_target_gridification): Likewise.
4101         (grid_gridify_all_targets_stmt): Likewise.
4102         (grid_gridify_all_targets): Likewise.
4103         (execute_lower_omp): Call grid_gridify_all_targets.
4104         (make_gimple_omp_edges): Handle GIMPLE_OMP_GRID_BODY.
4105         * tree-core.h (omp_clause_code): Added OMP_CLAUSE__GRIDDIM_.
4106         (tree_omp_clause): Added union field dimension.
4107         * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE__GRIDDIM_.
4108         * tree.c (omp_clause_num_ops): Added number of arguments of
4109         OMP_CLAUSE__GRIDDIM_.
4110         (omp_clause_code_name): Added name of OMP_CLAUSE__GRIDDIM_.
4111         (walk_tree_1): Handle OMP_CLAUSE__GRIDDIM_.
4112         * tree.h (OMP_CLAUSE_GRIDDIM_DIMENSION): New.
4113         (OMP_CLAUSE_SET_GRIDDIM_DIMENSION): Likewise.
4114         (OMP_CLAUSE_GRIDDIM_SIZE): Likewise.
4115         (OMP_CLAUSE_GRIDDIM_GROUP): Likewise.
4116         * passes.def: Schedule pass_ipa_hsa and pass_gen_hsail.
4117         * tree-pass.h (make_pass_gen_hsail): Declare.
4118         (make_pass_ipa_hsa): Likewise.
4119         * ipa-hsa.c: New file.
4120         * lto-section-in.c (lto_section_name): Add hsa section name.
4121         * lto-streamer.h (lto_section_type): Add hsa section.
4122         * timevar.def (TV_IPA_HSA): New.
4123         * hsa-brig-format.h: New file.
4124         * hsa-brig.c: New file.
4125         * hsa-dump.c: Likewise.
4126         * hsa-gen.c: Likewise.
4127         * hsa.c: Likewise.
4128         * hsa.h: Likewise.
4129         * toplev.c (compile_file): Call hsa_output_brig.
4130         * hsa-regalloc.c: New file.
4132 2016-01-18  Jeff Law  <law@redhat.com>
4134         PR tree-optimization/69320
4135         * tree-ssa-dom.c (record_edge_info): For comparisons against a boolean
4136         ranged object, do nothing if the RHS constant is not [0..1].
4137         (optimize_stmt): Comparing a boolean ranged object against a
4138         constant outside [0..1] results in a compile-time constant.
4140         * tree-ssanames.c (ssa_name_has_boolean_range): Remove unnecessary
4141         test.
4143 2016-01-18  Sandra Loosemore  <sandra@codesourcery.com>
4145         * doc/invoke.texi (Invoking GCC): Add new section to menu.
4146         (Option Summary): Update to reflect new section and moved options.
4147         (C++ Dialect Options): Move -fstats to new section.
4148         (Debugging Options): Move all dump, statistics, and other GCC
4149         developer options to new section.  Rewrite section introduction
4150         and re-order remaining options to put the more basic ones first.
4151         (Optimization Options): Move -fira-verbose and -flto-report* to
4152         new section.
4153         (Developer Options): New section incorporating moved options.
4154         * doc/cppopts.texi (-dM): Update cross-reference.
4156 2016-01-18  Richard Henderson  <rth@redhat.com>
4158         PR target/69176
4159         * config/aarch64/aarch64.md (add<GPI>3): Move long immediate
4160         operands to pseudo only if CSE is expected.  Split long immediate
4161         operands only after reload, and for the stack pointer.
4162         (*add<GPI>3_pluslong): Remove.
4163         (*addsi3_aarch64, *adddi3_aarch64): Merge into...
4164         (*add<GPI>3_aarch64): ... here.  Add r/rk/Upl alternative.
4165         (*addsi3_aarch64_uxtw): Add r/rk/Upl alternative.
4166         (*add<GPI>3 peepholes): New.
4167         (*add<GPI>3 splitters): New.
4168         * config/aarch64/constraints.md (Upl): New.
4169         * config/aarch64/predicates.md (aarch64_pluslong_strict_immedate): New.
4171 2016-01-18  Richard Biener  <rguenther@suse.de>
4173         PR tree-optimization/69297
4174         * tree-vect-slp.c (vect_bb_slp_scalar_cost): Count each scalar
4175         stmt at most once.
4176         (vect_bb_vectorization_profitable_p): Clear visited flag again.
4178 2016-01-18  Yuri Rumyantsev  <ysrumyan@gmail.com>
4180         PR middle-end/68542
4181         * fold-const.c (fold_binary_op_with_conditional_arg): Bail out for case
4182         of mixind vector and scalar types.
4183         (fold_relational_const): Add handling of vector
4184         comparison with boolean result.
4185         * tree-cfg.c (verify_gimple_comparison): Add argument CODE, allow
4186         comparison of vector operands with boolean result for EQ/NE only.
4187         (verify_gimple_assign_binary): Adjust call for verify_gimple_comparison.
4188         (verify_gimple_cond): Likewise.
4189         * tree-vrp.c (extract_code_and_val_from_cond_with_ops): Modify check on
4190         valid type of VAL.
4192 2016-01-18  Joseph Myers  <joseph@codesourcery.com>
4194         * config/mips/mips.h (ISA_HAS_PAIRED_SINGLE): Require
4195         !TARGET_OCTEON.
4197 2016-01-18  Richard Biener  <rguenther@suse.de>
4199         PR middle-end/69308
4200         * gimple.c (gimple_could_trap_p_1): Handle GIMPLE_COND.
4202 2016-01-18  Tom de Vries  <tom@codesourcery.com>
4204         * passes.def: Add pass_parallelize_loops to pass_oacc_kernels.
4206 2016-01-18  Tom de Vries  <tom@codesourcery.com>
4208         * omp-low.c (set_oacc_fn_attrib): Make extern.
4209         * omp-low.h (set_oacc_fn_attrib): Declare.
4210         * tree-parloops.c (struct reduction_info): Add reduc_addr field.
4211         (create_call_for_reduction_1): Handle case that reduc_addr is non-NULL.
4212         (create_parallel_loop, gen_parallel_loop, try_create_reduction_list):
4213         Add and handle function parameter oacc_kernels_p.
4214         (find_reduc_addr, get_omp_data_i_param): New function.
4215         (ref_conflicts_with_region, oacc_entry_exit_ok_1)
4216         (oacc_entry_exit_single_gang, oacc_entry_exit_ok): New function.
4217         (parallelize_loops): Add and handle function parameter oacc_kernels_p.
4218         Calculate dominance info.  Skip loops that are not in a kernels region
4219         in oacc_kernels_p mode.  Skip inner loops of parallelized loops.
4220         (pass_parallelize_loops::execute): Call parallelize_loops with
4221         oacc_kernels_p argument.
4222         (pass_parallelize_loops::clone, pass_parallelize_loops::set_pass_param):
4223         New member function.
4224         (pass_parallelize_loops::bool oacc_kernels_p): New member var.
4225         * passes.def: Add argument to pass_parallelize_loops instantation.
4227 2016-01-18  Tom de Vries  <tom@codesourcery.com>
4229         * tree-parloops.c (pass_parallelize_loops::execute): Allow
4230         pass_parallelize_loops to be run outside the loop pipeline.
4232 2016-01-18  Alan Lawrence  <alan.lawrence@arm.com>
4234         * tree-scalar-evolution.c (follow_copies_to_constant): New.
4235         (analyze_initial_condition, analyze_scalar_evolution_1): Call previous.
4237 2016-01-18  Alan Lawrence  <alan.lawrence@arm.com>
4239         PR target/63679
4240         * tree-ssa-scopedtables.c (avail_expr_hash): Hash MEM_REF and ARRAY_REF
4241         using get_ref_base_and_extent.
4242         (equal_mem_array_ref_p): New.
4243         (hashable_expr_equal_p): Add call to previous.
4245 2016-01-18  Alan Lawrence  <alan.lawrence@arm.com>
4247         PR target/63679
4248         * tree-sra.c (disqualified_constants, constant_decl_p): New.
4249         (sra_initialize): Allocate disqualified_constants.
4250         (sra_deinitialize): Free disqualified_constants.
4251         (disqualify_candidate): Update disqualified_constants when appropriate.
4252         (create_access): Scan for constant-pool entries as we go along.
4253         (scalarizable_type_p): Add check against type_contains_placeholder_p.
4254         (maybe_add_sra_candidate): Allow constant-pool entries.
4255         (load_assign_lhs_subreplacements): Bind debug for constant pool vars.
4256         (initialize_constant_pool_replacements): New.
4257         (sra_modify_assign): Avoid mangling assignments created by previous,
4258         and don't generate writes into constant pool.
4259         (sra_modify_function_body): Call initialize_constant_pool_replacements.
4261 2016-01-18  Ilya Enkovich  <enkovich.gnu@gmail.com>
4263         * config/i386/i386.c (scalar_to_vector_candidate_p): Support
4264         andnot instruction.
4265         (scalar_chain::convert_op): Likewise.
4266         * config/i386/i386.md (*andndi3_doubleword): New.
4268 2016-01-18  Richard Biener  <rguenther@suse.de>
4270         PR tree-optimization/69170
4271         * tree-vect-slp.c (vect_build_slp_tree): Verify we are not
4272         building a vector from scalar results of a pattern stmt.
4274 2016-01-18  Jakub Jelinek  <jakub@redhat.com>
4276         * haifa-sched.c (autopref_multipass_init): Work around
4277         -Wmaybe-uninitialized warning.
4279 2016-01-18  Thomas Preud'homme  <thomas.preudhomme@arm.com>
4281         * config/arm/arm.c (thumb1_reorg): Check that the comparison is
4282         against the constant 0.
4284 2016-01-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4286         PR tree-optimization/68799
4287         * gimple-ssa-strength-reduction.c (create_phi_basis): Directly
4288         look up phi candidates in the statement-candidate map.
4289         (phi_add_costs): Likewise.
4290         (record_phi_increments): Likewise.
4291         (phi_incr_cost): Likewise.
4292         (ncd_with_phi): Likewise.
4293         (all_phi_incrs_profitable): Likewise.
4295 2016-01-17  Jakub Jelinek  <jakub@redhat.com>
4297         * omp-low.c (mark_loops_in_oacc_kernels_region): Work around
4298         -Wmaybe-uninitialized warning.
4300 2016-01-16  Sandra Loosemore  <sandra@codesourcery.com>
4302         * doc/invoke.texi (Invoking GCC): Add new section to menu.
4303         (Option Summary): Update to reflect new section and moved options.
4304         (C++ Dialect Options): Move -fvtable-verify and related options.
4305         (Debugging Options): Move Sanitizer, Pointer Bounds Checker,
4306         and profiling-related options.
4307         (Optimization Options): Move profile generation options and
4308         -fstack-protector and related options.
4309         (Instrumentation Options): New section incorporating moved options.
4310         (Code Generation Options): Move -finstrument-functions and
4311         related options, -fstack-check, -fstack-limit*, and -fbounds-check.
4313 2016-01-16  Tom de Vries  <tom@codesourcery.com>
4315         * passes.def: Move pass_expand_omp_ssa out of pass_parallelize_loops.
4317 2016-01-16  Tom de Vries  <tom@codesourcery.com>
4319         * omp-low.c (expand_omp_atomic_fetch_op):  Release defs of update stmt.
4321 2016-01-16  Richard Sandiford  <richard.sandiford@arm.com>
4323         * hash-table.h (hash_table::empty): Turn into an inline wrapper
4324         that checks whether the table is already empty.  Rename the
4325         original implementation to...
4326         (hash_table::empty_slot): ...this new private function.
4328 2016-01-15  David Malcolm  <dmalcolm@redhat.com>
4330         PR diagnostic/68899
4331         * diagnostic-show-locus.c (layout::print_source_line): Move x
4332         offset of line until after call to
4333         get_line_width_without_trailing_whitespace.
4335 2016-01-15  Jeff Law  <law@redhat.com>
4337         PR tree-optimization/69270
4338         * tree-ssanames.c (ssa_name_has_boolean_range): Moved here from
4339         tree-ssa-dom.c.  Improve test for [0..1] ranve from VRP.
4340         * tree-ssa-dom.c (ssa_name_has_boolean_range): Remove.
4341         * tree-ssanames.h (ssa_name_has_boolean_range): Prototype.
4342         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
4343         ssa_name_has_boolean_range and constant_boolean_node.
4345 2016-01-15  Vladimir Makarov  <vmakarov@redhat.com>
4347         PR rtl-optimization/69030
4348         * lra-spills.c (remove_pseudos): Check nrefs and make the function
4349         returning bool.
4350         (spill_pseudos): Delete debug insn for dead pseudo.
4351         (lra_spill): Initiate spill_hard_reg and slots memory separately.
4353 2016-01-15  Jiong Wang  <jiong.wang@arm.com>
4355         * config/aarch64/aarch64-builtins.c (aarch64_types_unopus_qualifiers):
4356         New.
4357         (TYPES_UNOPUS): Likewise.
4358         * config/aarch64/aarch64-simd-builtins.def (lbtruncuv2sf): Correct
4359         builtin type, from UNOP to UNOPUS.
4360         (lbtruncuv4sf): Likewise.
4361         (lbtruncuv2df): Likewise.
4362         (lrounduv2sf): Likewise.
4363         (lrounduv4sf): Likewise.
4364         (lrounduv2df): Likewise.
4365         (lroundusf): Likewise.
4366         (lroundusf): Likewise.
4367         (lceiluv2sf): Likewise.
4368         (lceiluv4sf): Likewise.
4369         (lceiluv2df): Likewise.
4370         (lceilusf): Likewise.
4371         (lceiludf): Likewise.
4372         (lflooruv2sf): Likewise.
4373         (lflooruv4sf): Likewise.
4374         (lflooruv2df): Likewise.
4375         (lfloorusf): Likewise.
4376         (lfloorudf): Likewise.
4377         (lfrintnuv2sf): Likewise.
4378         (lfrintnuv4sf): Likewise.
4379         (lfrintnuv2df): Likewise.
4380         (lfrintnusf): Likewise.
4381         (lfrintnudf): Likewise.
4382         * config/aarch64/arm_neon.h (vcvt_u32_f32): Remove unncessary type
4383         conversion.
4384         (vcvtq_u32_f32): Likewise.
4385         (vcvtq_u64_f64): Likewise.
4386         (vcvta_u32_f32): Likewise.
4387         (vcvtaq_u32_f32): Likewise.
4388         (vcvtaq_u64_f64): Likewise.
4389         (vcvtm_u32_f32): Likewise.
4390         (vcvtmq_u32_f32): Likewise.
4391         (vcvtmq_u64_f64): Likewise.
4392         (vcvtn_u32_f32): Likwise.
4393         (vcvtnq_u32_f32): Likewise.
4394         (vcvtnq_u64_f64): Likewise.
4395         (vcvtp_u32_f32): Likewise.
4396         (vcvtpq_u32_f32): Likewise.
4397         (vcvtpq_u64_f64): Likewise.
4398         (vcvtmd_u64_f64): Likewise.
4399         (vcvtms_u32_f32): Likewise.
4400         (vcvtad_u64_f64): Likewise.
4401         (vcvtas_u32_f32): Likewise.
4402         (vcvtnd_u64_f64): Likewise.
4403         (vcvtns_u32_f32): Likewise.
4404         (vcvtpd_u64_f64): Likewise.
4405         (vcvtps_u32_f32): Likewise.
4407 2016-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4409         * config/aarch64/aarch64.c (aarch64_if_then_else_costs): Handle
4410         CSEL of zero_extended registers.
4412 2016-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4414         * config/aarch64/aarch64.c (aarch64_rtx_costs, COMPARE case):
4415         Handle COMPARE of ZERO_EXTRACT against zero form of TST-immediate.
4417 2016-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4419         * config/aarch64/aarch64.c (aarch64_process_one_target_attr): Return
4420         false when argument string is not found in the attributes table
4421         at all.
4423 2016-01-15  David Edelsohn  <dje.gcc@gmail.com>
4425         PR target/68609
4426         * config/rs6000/rs6000.c (rs6000_emit_msub): Delete.
4427         (rs6000_emit_swsqrt): Convert to Goldschmidt's Algorithm
4428         * config/rs6000/rs6000.md (sqrt<mode>2): Limit swsqrt to high
4429         precision estimate.
4431 2016-01-15  Richard Biener  <rguenther@suse.de>
4433         PR tree-optimization/66856
4434         * tree-vect-loop.c (vect_transform_loop): Free SLP instances here.
4435         * tree-vect-slp.c (vect_free_slp_tree): Decrement stmt reference count.
4436         (vect_create_new_slp_node): Increment stmt reference count.
4437         (vect_get_and_check_slp_defs): Make sure stmts are nor already in
4438         an SLP tree before swapping operands.
4439         (vect_build_slp_tree): Likewise.
4440         (destroy_bb_vec_info): Free stmt info after SLP instances.
4441         * tree-vect-stmts.c (new_stmt_vec_info): Initialize reference count.
4442         * tree-vectorizer.h (struct _stmt_vec_info): Add num_slp_uses field.
4443         (STMT_VINFO_NUM_SLP_USES): New macro.
4445 2016-01-15  Richard Biener  <rguenther@suse.de>
4447         PR debug/69137
4448         * dwarf2out.c (add_linkage_name_raw): New function split out from ...
4449         (add_linkage_name): ... here.
4450         (gen_typedef_die): Use add_linkage_name_raw instead of
4451         add_linkage_attr to delay DECL_ASSEMBLER_NAME computation
4452         if necessary.
4454 2016-01-15  Cesar Philippidis  <cesar@codesourcery.com>
4456         * gimplify.c (oacc_default_clause): Decode reference and pointer
4457         types for both kernels and parallel regions.
4459 2016-01-15  Richard Sandiford  <richard.sandiford@arm.com>
4461         PR middle-end/69246
4462         * calls.c (emit_call_1): Force n_popped to zero for sibcalls.
4464 2016-01-15  Ilya Enkovich  <enkovich.gnu@gmail.com>
4466         * config/i386/i386.c (scalar_chain::compute_convert_gain): Fix typo.
4467         (convert_scalars_to_vector): Likewise.
4469 2016-01-15  Jonathan Wakely  <jwakely@redhat.com>
4471         * doc/extend.texi (Type Traits): Fix grammar.
4473 2016-01-15  Martin Jambor  <mjambor@suse.cz>
4475         * tree-inline.c (remap_decl): Use existing dclarations if
4476         remapping a type and prevent_decl_creation_for_types.
4477         (replace_locals_stmt): Do an initial remapping of non-VLA typed
4478         decls first.  Do real remapping with
4479         prevent_decl_creation_for_types set.
4480         * tree-inline.h (copy_body_data): New field
4481         prevent_decl_creation_for_types, moved remap_var_for_cilk to avoid
4482         padding.
4484 2016-01-15  Dominik Vogt  <vogt@linux.vnet.ibm.com>
4486         * config/s390/s390.opt (mmvcle): More verbose help text.
4488 2016-01-15  Dominik Vogt  <vogt@linux.vnet.ibm.com>
4490         * config/s390/s390.opt: Add period to -mzvector option text.
4492 2016-01-15  Richard Biener  <rguenther@suse.de>
4494         PR tree-optimization/68961
4495         * tree-vect-slp.c (vect_analyze_slp_cost_1): Consider cost
4496         of invariants in stores again.
4498 2016-01-15  Sebastian Huber  <sebastian.huber@embedded-brains.de>
4500         * config/arm/t-rtems: Add cortex-m7/fpv5-d16 multilib.
4502 2016-01-15  Ilya Enkovich  <enkovich.gnu@gmail.com>
4504         * config/i386/i386.c (ix86_expand_branch): Don't split
4505         DI mode xor instruction to SI mode.
4507 2016-01-15  Jan Hubicka  <hubicka@ucw.cz>
4509         PR ipa/68148
4510         * ipa-icf.c (sem_function::merge): Virtual functions may become
4511         reachable even if they address is not taken and there are no
4512         idrect calls.
4514 2016-01-15  Jan Hubicka  <hubicka@ucw.cz>
4516         * lto-streamer-out.c (subtract_estimated_size): New function.
4517         (get_symbol_initial_value): Use it.
4519 2016-01-15  Christian Bruel  <christian.bruel@st.com>
4521         PR target/65837
4522         * config/arm/arm-builtins.c (ARM_BUILTIN_CRYPTO_BASE): New enum tag.
4523         (arm_init_neon_builtins_internal): Rename arm_init_neon_builtins,
4524         (arm_init_crypto_builtins_internal): Rename arm_init_crypto_builtins.
4525         use add_builtin_function_ext_scope instead of add_builtin_function.
4526         (neon_set_p, neon_crypto_set_p): Remove.
4527         (arm_init_builtins): Always call arm_init_neon_builtins and
4528         arm_init_crypto_builtins.
4529         (arm_expand_builtin): Check that builtins are allowed for the arch.
4530         * config/arm/arm-protos.h (arm_init_neon_builtins): Remove prototype.
4531         * config/arm/arm.c (arm_valid_target_attribute_tree): Remove
4532         arm_init_neon_builtins call.
4534 2016-01-15  Richard Biener  <rguenther@suse.de>
4536         PR tree-optimization/69117
4537         * tree-ssa-sccvn.h (struct vn_ssa_aux): Add info member.
4538         * tree-ssa-sccvn.c (set_ssa_val_to): Save and adjust SSA name info
4539         of the leader conservatively.
4540         (free_scc_vn): Restore original SSA name infos.
4542 2016-01-14  Jeff Law  <law@redhat.com>
4544         PR tree-optimization/69270
4545         * tree-ssa-dom.c (ssa_name_has_boolean_range): If the type has a
4546         single bit of precision, verify it's also unsigned.
4547         (record_edge_info): Use constant_boolean_node rather than fold_convert
4548         to convert boolean_true/boolean_false to the right type.
4550 2016-01-14  Richard Henderson  <rth@redhat.com>
4552         PR rtl-opt/69014
4553         * loop-doloop.c (record_reg_sets): New.
4554         (doloop_optimize): Reject the transform if the sequence
4555         clobbers registers live at the end of the loop block.
4556         (doloop_optimize_loops): Enable df_live if needed.
4558 2016-01-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
4560         * config/rs6000/rs6000-builtin.def: Revert 2016-01-13 change.
4561         * gcc/config/rs6000/rs6000.c: Likewise.
4562         * gcc/config/rs6000/rs6000.h: Likewise.
4563         * gcc/config/rs6000/rs6000.md: Likewise.
4564         * gcc/doc/extend.texi: Likewsie.
4566 2016-01-14  Jeff Law  <law@redhat.com>
4568         * tree-ssa-dom.c (ssa_name_has_boolean_range): Fix comment
4569         typo.
4571 2016-01-14  Richard Henderson  <rth@redhat.com>
4573         PR c/69272
4574         PR tree-opt/68964
4575         * trans-mem.c (tm_log_emit_stmt): Fix unit size to bit size.
4576         * tree.c (build_tm_vector_builtins): Use builtin_decl_explicit_p
4577         instead of builtin_decl_declared_p to test for declaration.
4579 2016-01-14  Nicklas Bo Jensen  <nbjensen@gmail.com>
4581         * doc/loop.texi (Loop Analysis and Representation): Document
4582         loop_depth function.
4584 2016-01-14  Tom de Vries  <tom@codesourcery.com>
4586         PR tree-optimization/68773
4587         * omp-low.c (expand_omp_target): Don't set force_output.
4588         * varpool.c (varpool_node::get_create): Same.
4589         * lto-cgraph.c (input_offload_tables): Mark entries in offload_vars and
4590         offload_funcs with force_output.
4592 2016-01-14  Jakub Jelinek  <jakub@redhat.com>
4594         PR debug/69244
4595         * lra-eliminations.c (move_plus_up): Don't change anything if either
4596         the outer or inner subreg mode is not MODE_INT.
4597         * dwarf2out.c (mem_loc_descriptor): For SUBREG, if outer mode is
4598         integral <= DWARF2_ADDR_SIZE, convert to untyped afterwards.
4600 2016-01-14  Alan Lawrence  <alan.lawrence@arm.com>
4602         * doc/md.texi (reduc_smin_@var{m}, reduc_smax_@var{m},
4603         reduc_umin_@var{m}, reduc_umax_@var{m}, reduc_splus_@var{m},
4604         reduc_uplus_@var{m}): Remove.
4605         * expr.c (expand_expr_real_2): Remove expansion path for
4606         reduc_[us](min|max|plus) optabs.
4607         * optabs-tree.c (scalar_reduc_to_vector): Remove.
4608         * optabs-tree.h (scalar_reduc_to_vector): Remove.
4609         * optabs.def (reduc_smax_optab, reduc_smin_optab, reduc_splus_optab,
4610         reduc_umax_optab, reduc_umin_optab, reduc_uplus_optab): Remove.
4611         * tree-vect-loop.c (vectorizable_reduction): Remove test for
4612         reduc_[us](min|max|plus) optabs.
4614 2016-01-14  Alan Lawrence  <alan.lawrence@arm.com>
4616         * config/mips/mips-ps-3d.md (reduc_splus_v2sf): Remove.
4617         (reduc_plus_scal_v2sf): New.
4618         (reduc_smax_v2sf): Rename to...
4619         (reduc_smax_scal_v2sf): ...here, make result SFmode, add vec_extract.
4620         (reduc_smin_v2sf): Rename to...
4621         (reduc_smin_scal_v2sf): ...here, make result SFmode, add vec_extract.
4623 2016-01-14  Jan Hubicka  <hubicka@ucw.cz>
4625         * alias.c (compare_base_symbol_refs): New function.
4626         (rtx_equal_for_memref_p, base_alias_check, memrefs_conflict_p): Use
4627         it.
4629 2016-01-14  Jakub Jelinek  <jakub@redhat.com>
4631         PR middle-end/68146
4632         PR tree-optimization/69155
4633         * tree-complex.c: Include cfganal.h.
4634         (phis_to_revisit): New variable.
4635         (extract_component): Add phiarg_p argument.  Assert that returned
4636         SSA_NAME has non-NULL SSA_NAME_DEF_STMT unless phiarg_p is true.
4637         (update_phi_components): Partly rewrite to use loop over real/imag
4638         components instead of code duplication.  If extract_component returns
4639         SSA_NAME with NULL SSA_NAME_DEF_STMT, store SSA_NAME_VAR or
4640         create_tmp_reg into the PHI node instead, and mention the phi triplet
4641         in phis_to_revisit.
4642         (tree_lower_complex): Walk bbs in rpo order.  Adjust phis recorded
4643         in phis_to_revisit at the end.
4645 2016-01-14  Richard Biener  <rguenther@suse.de>
4647         PR tree-optimization/68060
4648         * tree-vect-loop.c (vect_is_simple_reduction): Check the
4649         outer loop reduction is only used in the inner loop before
4650         detecting a double reduction.
4652 2016-01-14  Jakub Jelinek  <jakub@redhat.com>
4654         PR target/68269
4655         * combine.c (expand_field_assignment): Punt if compute_mode is
4656         unsupported scalar mode.
4658 2016-01-14  Richard Biener  <rguenther@suse.de>
4660         PR tree-optimization/66856
4661         * tree-vect-slp.c (vect_build_slp_tree): Refactor to build
4662         SLP node only if it built successfully.
4663         (vect_analyze_slp_instance): Adjust.
4665 2016-01-14  Jeff Law  <law@redhat.com>
4667         PR tree-optimization/69270
4668         * tree-ssa-dom.c (ssa_name_has_boolean_range): New function.
4669         (record_edge_info): Use it.  Convert boolean_{true,false}_node
4670         to the type of op0.
4672 2016-01-13  Jan Hubicka  <hubicka@ucw.cz>
4674         PR ipa/66487
4675         * ipa-polymorphic-call.c (inlined_polymorphic_ctor_dtor_block_p):
4676         use block_ultimate_origin
4677         (noncall-stmt_may_be_vtbl_ptr_store): Likewise.
4679 2016-01-13  Sandra Loosemore  <sandra@codesourcery.com>
4681         * doc/invoke.texi (Submodel Options): Rename section to
4682         "Machine-Dependent Options" to better reflect its content.
4683         Rewrite introductory text to remove archaic CPU names.
4684         Update references.
4686 2016-01-13  Sandra Loosemore  <sandra@codesourcery.com>
4688         * doc/invoke.texi (Code Gen Options): Move section up in file,
4689         before target-specific options.  Update menu and option summary
4690         to reflect the new section ordering.
4692 2016-01-13  Jonathan Wakely  <jwakely@redhat.com>
4694         * doc/invoke.texi (C Dialect Options): Adjust -std default for C++.
4695         (C++ Dialect Options): Add cross-reference to -std option.
4696         * doc/standards.texi (C++ Language): Document C++14 support.
4698 2016-01-13  Michael Meissner  <meissner@linux.vnet.ibm.com>
4700         * config/rs6000/rs6000-builtin.def (BU_FLOAT128_2): Add support
4701         for pack/unpack functions for __ibm128.
4702         (PACK_IF): Likewise.
4703         (UNPACK_IF): Likewise.
4705         * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Add
4706         support for __ibm128 pack/unpack functions.
4707         (rs6000_invalid_builtin): Likewise.
4708         (rs6000_init_builtins): Likewise.
4709         (rs6000_opt_masks): Likewise.
4711         * config/rs6000/rs6000.h (MASK_FLOAT128): Add short name.
4712         (RS6000_BTM_FLOAT128): Add support for __ibm128 pack/unpack
4713         functions
4714         (RS6000_BTM_COMMON): Likewise.
4716         * config/rs6000/rs6000.md (f128_vsx): New mode attribute.
4717         (unpack<mode>): Use FMOVE128_FPR iterator instead of FMOVE128, to
4718         disallow __builtin_{pack,unpack}_longdouble if long double is IEEE
4719         128-bit floating point.  Add support for the double values to be
4720         in Altivec registers for TF/IF packing and unpacking, but restrict
4721         TD packing sub-fields to be FPR registers.  Don't allow overlapped
4722         register support for packing.  Allow pack inputs to be memory
4723         locations.  Don't build generator functions for unpack<mode>_dm
4724         and unpack<mode>_nodm.
4725         (unpack<mode>_dm): Likewise.
4726         (unpack<mode>_nodm): Likewise.
4727         (pack<mode>): Likewise.
4729         * config/rs6000/rs6000-builtin.def (__builtin_pack_ibm128): Add
4730         built-in functions to pack/unpack explicit __ibm128 values.
4731         (__builtin_unpack_ibm128): Likewise.
4733         * doc/extend.texi (PowerPC Built-in Functions): Document
4734         __builtin_pack_ibm128 and __builtin_unpack_ibm128.
4736 2016-01-13  Bernd Schmidt  <bschmidt@redhat.com>
4738         PR c/66208
4739         * c-common.c (check_function_nonnull): Remove unnecessary declaration.
4740         Add new arg loc and pass it down as context.
4741         (check_nonnull_arg): Don't mark ctx arg as unused. Use it as a pointer
4742         to the location to use for the warning.
4743         (check_function_arguments): New arg loc.  All callers changed.  Pass
4744         it to check_function_nonnull.
4745         * c-common.h (check_function_arguments): Adjust declaration.
4747 2016-01-13  Jakub Jelinek  <jakub@redhat.com>
4749         PR tree-optimization/69156
4750         * gimple.c (validate_type): Removed.
4751         (gimple_builtin_call_types_compatible_p): Use
4752         useless_type_conversion_p instead of validate_type.
4753         * value-prof.c (gimple_stringop_fixed_value): Fold
4754         icall_size to correct type.
4756 2016-01-13  Jonathan Wakely  <jwakely@redhat.com>
4758         * doc/extend.texi (__atomic Builtins): Clarify compare_exchange
4759         effects.
4761 2016-01-13  Richard Henderson  <rth@redhat.com>
4763         PR tree-opt/68964
4764         * target.def (builtin_tm_load, builtin_tm_store): Remove.
4765         * config/i386/i386.c (ix86_builtin_tm_load): Remove.
4766         (ix86_builtin_tm_store): Remove.
4767         (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
4768         (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
4769         * doc/tm.texi.in (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
4770         (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
4771         * doc/tm.texi: Rebuild.
4773         * gtm-builtins.def (BUILT_IN_TM_MEMCPY_RNWT): New.
4774         (BUILT_IN_TM_MEMCPY_RTWN): New.
4775         * trans-mem.c (tm_log_emit_stmt): Rearrange code for better
4776         fallback from vector to integer helpers.
4777         (build_tm_load): Handle vector types directly, instead of
4778         via target hook.
4779         (build_tm_store): Likewise.
4780         (expand_assign_tm): Prepare for register types not handled by
4781         the above.  Copy them to memory and use memcpy.
4782         * tree.c (tm_define_builtin): New.
4783         (find_tm_vector_type): New.
4784         (build_tm_vector_builtins): New.
4785         (build_common_builtin_nodes): Call it.
4787 2016-01-13  Uros Bizjak  <ubizjak@gmail.com>
4789         * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Return -1 for
4790         TARGET_SSE_MATH without TARGET_SSE2.  Rewrite.
4792 2016-01-13  Tom de Vries  <tom@codesourcery.com>
4794         PR tree-optimization/69169
4795         * tree-ssa-structalias.c (create_variable_info_for_1): Add and handle
4796         handled_struct_type param.
4797         (create_variable_info_for, intra_create_variable_infos): Call
4798         create_variable_info_for_1 with extra arg.
4800 2016-01-13  Yvan Roux  <yvan.roux@linaro.org>
4802         * config/arm/arm-arches.def: Remove spurious whitespace in "armv8.1-a"
4803         and "armv8.1-a+crc" entries.
4805 2016-01-13  Alexander Fomin  <alexander.fomin@intel.com>
4807         PR target/69228
4808         * config/i386/sse.md (define_expand "avx512pf_gatherpf<mode>sf"):
4809         Change first operand predicate from register_or_constm1_operand
4810         to register_operand.
4811         (define_expand "avx512pf_gatherpf<mode>df"): Likewise.
4812         (define_expand "avx512pf_scatterpf<mode>sf"): Likewise.
4813         (define_expand "avx512pf_scatterpf<mode>df"): Likewise.
4814         (define_insn "*avx512pf_gatherpf<mode>sf"): Remove.
4815         (define_insn "*avx512pf_gatherpf<mode>df"): Likewise.
4816         (define_insn "*avx512pf_scatterpf<mode>sf"): Likewise.
4817         (define_insn "*avx512pf_scatterpf<mode>df"): Likewise.
4818         * config/i386/i386.c (ix86_expand_builtin): Remove first operand
4819         comparison with constm1_rtx from vec_prefetch_gen part.
4821 2016-01-13  Richard Biener  <rguenther@suse.de>
4823         PR tree-optimization/69013
4824         * tree-ssa-uninit.c (prune_uninit_phi_opnds_in_unrealizable_paths):
4825         Exchange assert for a test.
4827 2016-01-13  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4829         PR target/69247
4830         * config/s390/s390.md (bswaphi splitter): Use simplify_gen_subreg.
4832 2016-01-13  Richard Biener  <rguenther@suse.de>
4834         PR tree-optimization/69242
4835         * tree-ssa-sccvn.c (visit_reference_op_load): Replace bogus
4836         assert with a check.
4838 2016-01-13  Richard Biener  <rguenther@suse.de>
4840         PR tree-optimization/69186
4841         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
4842         Properly guard vect_update_misalignment_for_peel call.
4844 2016-01-12  Jeff Law  <law@redhat.com>
4846         PR tree-optimization/pr67755
4847         * tree-ssa-threadupdate.c (struct ssa_local_info_t): Add new field
4848         "need_profile_correction".
4849         (thread_block_1): Initialize new field to false by default.  If we
4850         have multiple thread paths through a common joiner to different
4851         final targets, then set new field to true.
4852         (compute_path_counts): Only do count adjustment when it's really
4853         needed.
4855 2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>
4857         * doc/invoke.texi (Spec Files): Move section down in file, past
4858         all command-line option descriptions.
4860 2016-01-12  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
4862         PR middle-end/54809
4863         * doc/gty.texi: Remove documentation of mark_hook.
4864         * gengtype.c (struct write_types_data): Remove code to support
4865         mark_hook attribute.
4866         (walk_type): Likewise.
4867         (write_func_for_structure): Likewise.
4869 2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>
4871         * doc/invoke.texi (Option Summary) Move -no-canonical-prefixes to
4872         Directory Options, and -specs= to Overall Options.
4873         (Overall Options): Adjust similarly.  Reorder to group related
4874         options together.  Make -specs= cross-reference the spec file details.
4875         (Directory Options): Adjust similarly.
4877 2016-01-12  Jeff Law  <law@redhat.com>
4879         * tree-ssa-threadupdate.c: Various whitespace and typo fixes.
4881 2016-01-12  Olivier Hainque  <hainque@adacore.com>
4883         * gcc.c (spec_undefvar_allowed): New global.
4884         (process_command): Set to true when running for --version or --help,
4885         alone or together.
4886         (getenv_spec_function): When the variable is not defined, use the
4887         variable name as the variable value if we're allowed not to issue
4888         a fatal error.
4890 2016-01-12  Bin Cheng  <bin.cheng@arm.com>
4892         PR tree-optimization/68911
4893         * tree-vrp.c (adjust_range_with_scev): Check overflow in range
4894         information computed for expression "init + nit * step".
4896 2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>
4898         * doc/invoke.texi (Invoking GCC): Copy-edit.  Incorporate information
4899         about name of GCC executable.  Remove deleted node from menu.
4900         (Directory Options) <-B>: Remove cross-reference to deleted node.
4901         (Target Options): Delete section.
4903 2016-01-12  Christian Bruel  <christian.bruel@st.com>
4905         PR target/69180
4906         * config/arm/arm-c.c (arm_pragma_target_parse): Set NODE_CONDITIONAL
4907         for __ARM_NEON_FP, __ARM_FP, _ARM_FEATURE_LDREX.
4909 2016-01-12  Jakub Jelinek  <jakub@redhat.com>
4911         PR target/69198
4912         * config/i386/i386.c (ix86_expand_special_args_builtin): Ensure
4913         aligned_mem is properly set for AVX512-VL floating point masked
4914         stores.
4916         PR target/69175
4917         * ifcvt.c (cond_exec_process_if_block): When removing the last
4918         insn from then_bb, remove also any possible barriers that follow it.
4920 2016-01-12  H.J. Lu  <hongjiu.lu@intel.com>
4922         PR target/68456
4923         PR target/69226
4924         * config/i386/iamcu.h (SIZE_TYPE): New macro.
4925         (PTRDIFF_TYPE): Likewise.
4926         (WCHAR_TYPE): Likewise.
4927         (WCHAR_TYPE_SIZE): Likewise.
4928         (STDINT_LONG32): Likewise.
4930 2016-01-12  Richard Biener  <rguenther@suse.de>
4932         PR tree-optimization/69053
4933         * tree-vect-loop.c (get_initial_def_for_reduction): Properly
4934         convert initial value for cond reductions.
4936 2016-01-12  Richard Biener  <rguenther@suse.de>
4938         PR tree-optimization/69007
4939         * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Move
4940         widen_sum after dot_prod and sad.
4942 2016-01-12  Richard Biener  <rguenther@suse.de>
4944         PR tree-optimization/69168
4945         * tree-vect-loop.c (vect_analyze_loop_2): Reset both main and
4946         pattern stmt SLP type.
4947         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Patterns may
4948         end up unused so cope with that case.
4950 2016-01-12  Richard Biener  <rguenther@suse.de>
4952         PR tree-optimization/69157
4953         * tree-vect-stmts.c (vectorizable_mask_load_store): Check
4954         stmts def type only during analyze phase.
4955         (vectorizable_call): Likewise.
4956         (vectorizable_simd_clone_call): Likewise.
4957         (vectorizable_conversion): Likewise.
4958         (vectorizable_assignment): Likewise.
4959         (vectorizable_shift): Likewise.
4960         (vectorizable_operation): Likewise.
4961         (vectorizable_store): Likewise.
4962         (vectorizable_load): Likewise.
4964 2016-01-12  Richard Biener  <rguenther@suse.de>
4966         PR tree-optimization/69174
4967         * tree-vect-stmts.c (vect_mark_relevant): Remove excessive vertical
4968         space.
4969         (vectorizable_load): Properly compute the number of loads needed
4970         for permuted strided SLP loads and do not spuriously assign
4971         to SLP_TREE_VEC_STMTS.
4973 2016-01-12  Andris Pavenis  <andris.pavenis@iki.fi>
4975         * config/i386/djgpp.h (PREFERRED_DEBUGGING_TYPE): Define to DWARF2
4976         (TARGET_ASM_OUTPUT_IDENT): Define to default_asm_output_ident_directive
4977         (MD_EXEC_PREFIX): Remove.
4978         (MD_STARTFILE_PREFIX) Removee.
4979         (FILE_NAME_ABSOLUTE_P): Remove.
4980         (CPP_SPEC): Do not read macros from sys/version.h.
4981         (LINK_COMMAND_SPEC): Remove.
4982         (LOCAL_INCLUDE_DIR): Remove.
4983         (TARGET_ASM_NAMED_SECTION): Define to i386_djgpp_asm_named_section
4984         (TARGET_OS_CPP_BUILTINS): Add DJGPP (non ISO only), __DJGPP, __DJGPP__, unix.
4985         (POST_LINK_SPEC): Define to invoke stubify after linker
4986         (LIBSTDCXX): Remove define
4987         (DBX_REGISTER_NUMBER): Define to svr4_dbx_register_map.
4988         (DEFAULT_PCC_STRUCT_RETURN): Define to 1.
4989         (SUBTARGET_OVERRIDE_OPTIONS): Remove warning about -mbnu2210.
4990         (SUBTARGET_OVERRIDE_OPTIONS): Ignore -fPIC and generate message.
4991         (SUBTARGET_OVERRIDE_OPTIONS): Default to DWARF2 debugging info.
4992         (IX86_MAYBE_NO_LIBGCC_TFMODE): Remove.
4993         (i386_djgpp_asm_named_section): Add propotype of new procedure
4995         * config/i386/xm-djgpp.h (NATIVE_SYSTEM_HEADER_DIR): Define.
4996         (MD_EXEC_PREFIX): Define (moved from config/i386/djgpp.h).
4997         (STANDARD_STARTFILE_PREFIX_1): Define (moved from MD_STARTFILE_PREFIX
4998         in config/i386/djgpp.h).
4999         (STANDARD_STARTFILE_PREFIX_2): Define identical to
5000         STANDARD_STARTFILE_PREFIX_1.
5001         (LOCAL_INCLUDE_DIR): Define (moved from config/i386/djgpp.h).
5002         (GCC_DRIVER_HOST_INITIALIZATION): Fix reporting fatal
5003         installation errors.
5004         (MAX_OFILE_ALIGNMENT): Define to 128.
5005         (HAVE_FTW_H): Undefine as DJGPP do not have nftw, but have ftw.h.
5007         * config/i386/djgpp.c: New file. Add implementation of
5008         i386_djgpp_asm_named_section.
5010         * config/i386/djgpp.opt: Remove obsolete option -mbnu210.
5012         * config/i386/t-djgpp: New file. Add djgpp.o to EXTRA_OBJS.
5013         Add rule for building djgpp.o.
5015 2016-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
5017         * config/rs6000/rs6000.c (v2df_reduction_p): New function.
5018         (rtx_is_swappable_p): Reductions are swappable.
5019         (insn_is_swappable_p): V2DF reductions are swappable.
5021 2016-01-11  John David Anglin  <danglin@gcc.gnu.org>
5023         * config/pa/pa.c (pa_emit_move_sequence): Handle floating point
5024         reloads for other unsupported memory operands.
5026 2016-01-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
5027             Jim Wilson  <jim.wilson@linaro.org>
5029         PR target/69194
5030         * config/arm/arm-builtins.c (arm_expand_neon_args): Call
5031         copy_to_mode_reg instead of force_reg.
5033 2016-01-11  H.J. Lu  <hongjiu.lu@intel.com>
5035         PR target/69225
5036         * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Set to 2 only if
5037         TARGET_80387 is true.
5039 2016-01-11  Jakub Jelinek  <jakub@redhat.com>
5041         PR target/69071
5042         * lra-eliminations.c (move_plus_up): Only move plus up
5043         if subreg of the constant can be simplified into constant
5044         and use the simplified subreg of the constant instead of
5045         the original constant.
5047         * fold-const.c (fold_convertible_p): Don't return true
5048         for conversion of VECTOR_TYPE to same sized integral type.
5049         (fold_convert_loc): Fix up formatting.  Fold conversion of
5050         VECTOR_TYPE to same sized integral type using VIEW_CONVERT_EXPR
5051         instead of NOP_EXPR.
5053         PR tree-optimization/69214
5054         * tree-vrp.c (simplify_cond_using_ranges): Don't propagate
5055         innerop into a comparison if SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
5056         Formatting fix.
5058         PR tree-optimization/69207
5059         * tree-vect-slp.c (vect_get_constant_vectors): For
5060         VECTOR_BOOLEAN_TYPE_P, assert op has integral type instead of
5061         fold_convertible_p to vector_type's element type, and always
5062         use VCE for non-VECTOR_BOOLEAN_TYPE_P.
5064 2016-01-11  Richard Biener  <rguenther@suse.de>
5066         PR tree-optimization/69173
5067         * tree-vect-loop.c (vect_fixup_scalar_cycles_with_patterns): Only
5068         fixup the cycle if all stmts are in a pattern.
5070 2016-01-11  Uros Bizjak  <ubizjak@gmail.com>
5072         PR middle-end/68999
5073         * alias.c (base_alias_check): Move check for addresses with
5074         alignment ANDs before the call for compare_base_decls.
5075         (memrefs_conflict_p): Return -1 for different decls
5076         that went through alignment adjustments.
5078 2016-01-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5080         PR rtl-optimization/68796
5081         * config/aarch64/aarch64.md (*and<mode>_compare0): New pattern.
5082         * config/aarch64/aarch64.c (aarch64_select_cc_mode): Handle HImode
5083         and QImode comparisons against zero with CC_NZmode.
5084         * config/aarch64/iterators.md (short_mask): New mode_attr.
5086 2016-01-11  H.J. Lu  <hongjiu.lu@intel.com>
5088         * config/i386/sse.md (<avx512>_load<mode>_mask): Remove snprintf.
5089         (<avx512>_store<mode>_mask): Likewise.
5091 2016-01-11  Bernd Schmidt  <bschmidt@redhat.com>
5092             Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5094         PR rtl-optimization/68841
5095         * ifcvt.c (struct noce_if_info): Add orig_x field.
5096         (bbs_ok_for_cmove_arith): Add to_rename parameter.
5097         Don't record conflicts on to_rename if it's present.
5098         Allow memory destinations in sets.
5099         (noce_try_cmove_arith): Call bbs_ok_for_cmove_arith even on simple
5100         blocks, passing orig_x to the checks.
5101         (noce_process_if_block): Set if_info->orig_x appropriately.
5103 2016-01-11  Tom de Vries  <tom@codesourcery.com>
5105         PR tree-optimization/69069
5106         * tree-parloops.c (create_parallel_loop): Add missing phi args.
5108 2016-01-11  Yuri Rumyantsev  <ysrumyan@gmail.com>
5110         PR rtl-optimization/68920
5111         * config/i386/i386.c (ix86_option_override_internal): Restrict number
5112         of conditional moves for  RTL if-conversion to 1 for
5113         TARGET_ONE_IF_CONV_INSN.
5114         * config/i386/i386.h (TARGET_ONE_IF_CONV_INSN): New macros.
5115         * config/i386/x86-tune.def (X86_TUNE_ONE_IF_CONV_INSN): New macros.
5116         * params.def (PARAM_MAX_RTL_IF_CONVERSION_INSNS) : Introduce new
5117         parameter to restirct number of conditional moves for
5118         RTL if-conversion.
5119         * doc/invoke.texi (max-rtl-if-conversion-insns): Document it.
5120         * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Limit number of
5121         conditionl moves.
5123 2016-01-11  Alexandre Oliva  <aoliva@redhat.com>
5125         PR bootstrap/69123
5126         * var-tracking.c (drop_overlapping_mem_locs): Operate on all
5127         onepart vars.  Fix typo in comment.  Fix reversed condition in
5128         unshare test.
5129         (dataflow_set_remove_mem_locs): Operate on all onepart vars.
5131         PR bootstrap/69123
5132         * var-tracking.c (dump_onepart_variable_differences): New.
5133         (dataflow_set_different): If a detailed dump is requested,
5134         delay early returns and dump differences between onepart
5135         variables present before and after, and added variables.
5137 2016-01-11  Ilya Enkovich  <enkovich.gnu@gmail.com>
5139         PR target/69010
5140         * expr.c (expand_expr_real_1): For boolean vector constants
5141         with a scalar mode use const_scalar_mask_from_tree.
5142         (const_scalar_mask_from_tree): New.
5143         * optabs.c (expand_vec_cond_mask_expr): Use mask mode
5144         assigned to a mask type to handle constants.
5146 2016-01-11  Martin Jambor  <mjambor@suse.cz>
5148         PR ipa/69044
5149         * ipa-cp.c (estimate_local_effects): Do not clone for removal of
5150         useless parameters if we cannot change function signature.
5152 2016-01-11  Martin Jambor  <mjambor@suse.cz>
5154         PR ipa/66616
5155         * cgraphclones.c (duplicate_thunk_for_node): Copy can_change_signature
5156         flag.
5158 2016-01-11  Tom de Vries  <tom@codesourcery.com>
5160         PR tree-optimization/69109
5161         * tree-parloops.c (try_transform_to_exit_first_loop_alt): Don't allow
5162         latch with phi.
5164 2016-01-11  Tom de Vries  <tom@codesourcery.com>
5166         PR tree-optimization/69108
5167         * tree-parloops.c (gather_scalar_reductions): Handle case that outer phi
5168         res is not used in a phi.
5170 2016-01-11  Yury Gribov  <y.gribov@samsung.com>
5172         PR 67425
5173         * common.opt (frandom-seed): Fix parameter name.
5174         * doc/invoke.texi (frandom-seed): Ditto and describe parameter.
5176 2016-01-11  Tom de Vries  <tom@codesourcery.com>
5178         PR tree-optimization/69058
5179         * tree-parloops.c (pass_parallelize_loops::execute): Return 0 if libgomp
5180         not supported.
5182 2016-01-11  Andrew Burgess  <andrew.burgess@embecosm.com>
5184         * config/arc/arc.opt (mdiv-rem): Add period to the end.
5185         (mcode-density): Likewise.
5187 2016-01-10  Tom de Vries  <tom@codesourcery.com>
5189         PR tree-optimization/69062
5190         * tree-parloops.c (loop_has_phi_with_address_arg): New function.
5191         (parallelize_loops): Don't paralelize loop that has phi with address
5192         arg.
5194 2016-01-10  Tom de Vries  <tom@codesourcery.com>
5196         PR tree-optimization/69039
5197         * tree-parloops.c (try_create_reduction_list): Only allow single exit
5198         phi for reduction.
5200 2016-01-09  John David Anglin  <danglin@gcc.gnu.org>
5202         PR middle-end/68743
5203         * match.pd: Require target has function_c99_misc before doing
5204         truncl(extend(x)) and trunc(extend(x)) -> extend(truncf(x)), etc.
5206 2016-01-09  Gerald Pfeifer  <gerald@pfeifer.com>
5208         * configure.ac (isl_options_set_schedule_serialize_sccs): Also
5209         use GMPINC.
5210         * configure: Regenerate.
5212 2016-01-09  Jakub Jelinek  <jakub@redhat.com>
5214         PR middle-end/50865
5215         PR tree-optimization/69097
5216         * fold-const.h (expr_not_equal_to): New prototype.
5217         * fold-const.c: Include stringpool.h and tree-ssanames.h.
5218         (expr_not_equal_to): New function.
5219         * match.pd (X % -Y is the same as X % Y): Don't optimize
5220         unless X is known not to be equal to minimum or Y is known
5221         not to be equal to -1.
5222         * tree-vrp.c (simplify_div_or_mod_using_ranges): Add GSI argument.
5223         fold TRUNC_MOD_EXPR if the second argument is not a power of two.
5224         (simplify_stmt_using_ranges): Adjust caller.
5225         (vrp_finalize): Call set_value_range on SSA_NAMEs before calling
5226         substitute_and_fold.
5228 2016-01-09  Jan Hubicka  <hubicka@ucw.cz>
5230         * ipa-icf.c (sem_item_optimizer::merge_classes): Do not ICE on VAR_DECL
5231         w/o DECL_NAME.
5233 2016-01-08  Jakub Jelinek  <jakub@redhat.com>
5235         PR tree-optimization/69167
5236         * gimple-fold.c (replace_stmt_with_simplification): Also punt if
5237         new SSA_NAME_OCCURS_IN_ABNORMAL_PHI SSA_NAMEs appear in operands of
5238         ops[0] comparison.
5239         * gimple-match-head.c (maybe_push_res_to_seq): Likewise.
5241 2016-01-08  Alan Lawrence  <alan.lawrence@arm.com>
5242             Richard Biener  <rguenther@suse.de>
5244         PR tree-optimization/68707
5245         * tree-vect-slp.c (vect_analyze_slp_instance): Cancel permuted SLP
5246         instances that can be handled via vect_load_lanes.
5248 2016-01-08  Uros Bizjak  <ubizjak@gmail.com>
5250         * symtab.c (symtab_node::equal_address_to): Return -1 instead of 2
5251         if we can't determine address equivalence.
5252         * alias.c (compare_base_decl): Update for changed return value of
5253         symtab_node::equal_address_to.
5255 2016-01-08  Jason Merrill  <jason@redhat.com>
5257         PR c++/68983
5258         PR c++/67557
5259         * function.c (assign_temp): Guard against TREE_ADDRESSABLE types here.
5260         * expr.c (store_field): Not here.
5261         * tree-cfgcleanup.c (fixup_noreturn_call): Don't clear LHS of a
5262         call with TREE_ADDRESSABLE type.
5263         * tree-cfg.c (verify_gimple_call): Adjust.
5265 2016-01-08  Olivier Hainque  <hainque@adacore.com>
5267         * config/vxworks.h (VXWORKS_LIBGCC_SPEC): Don't link shared RTPs with
5268         libc_internal.
5270 2016-01-08  Alan Lawrence  <alan.lawrence@arm.com>
5272         * gcc.target/rs6000/paired.md (reduc_smax_v2sf): Rename to...
5273         (reduc_smax_scal_v2sf): ...here, make result SFmode, extract element.
5274         (reduc_smin_v2sf): Rename to...
5275         (reduc_smin_scal_v2sf): ...here, make result SFmode, extract element.
5276         (reduc_splus_v2sf): Rename to...
5277         (reduc_plus_scal_v2sf): ...here, make result SFmode, extract element.
5279 2016-01-08  Jakub Jelinek  <jakub@redhat.com>
5281         PR tree-optimization/69162
5282         * gimplify.c (gimplify_va_arg_expr): Encode original type of
5283         valist argument in another argument.
5284         (gimplify_modify_expr): Adjust for the above change.  Cleanup.
5285         * tree-stdarg.c (expand_ifn_va_arg_1): Use new 3rd argument
5286         to determine the va_list type, build a MEM_REF instead of
5287         build_fold_indirect_ref.
5289         PR tree-optimization/69172
5290         * gimple-fold.c (gimple_fold_builtin_memory_chk): Pass type to
5291         gimple_build.
5293 2016-01-08  Thomas Preud'homme  <thomas.preudhomme@arm.com>
5295         PR tree-optimization/67781
5296         * tree-ssa-math-opts.c (find_bswap_or_nop): Zero out bytes in cmpxchg
5297         and cmpnop in two steps: first the ones not accessed in original
5298         gimple expression in a endian independent way and then the ones not
5299         accessed in the final result in an endian-specific way.
5301 2016-01-08  Jakub Jelinek  <jakub@redhat.com>
5303         PR tree-optimization/69083
5304         * tree-vect-slp.c (vect_get_constant_vectors): For
5305         VECTOR_BOOLEAN_TYPE_P assert op is fold_convertible_p to vector_type's
5306         element type.  If op is fold_convertible_p to vector_type's element
5307         type, use NOP_EXPR instead of VCE.
5309 2016-01-08  Segher Boessenkool  <segher@kernel.crashing.org>
5311         PR rtl-optimization/67778
5312         PR rtl-optimization/68634
5313         PR rtl-optimization/68909
5314         * shrink-wrap.c (try_shrink_wrapping): Add comment.  Don't pop
5315         block from the stack until done with it.  Remove a superfluous
5316         bitmap set.  Remove a superfluous bitmap test.
5318 2016-01-07  Martin Sebor  <msebor@redhat.com>
5320         PR c/68966
5321         * doc/extend.texi (__atomic Builtins, __sync Builtins): Document
5322         constraint on the type of arguments.
5324 2016-01-07  Andreas Tobler  <andreast@gcc.gnu.org>
5326         * config/arm/freebsd.h: Rename SUBTARGET_OVERRIDE_OPTIONS to
5327         SUBTARGET_OVERRIDE_INTERNAL_OPTIONS. Adjust to check
5328         unaligned_access on the gcc_options set.
5329         * config/arm/arm.c (arm_option_override_internal): Use
5330         SUBTARGET_OVERRIDE_INTERNAL_OPTIONS.
5332 2016-01-07  Uros Bizjak  <ubizjak@gmail.com>
5334         PR target/69140
5335         * config/i386/i386.c (ix86_frame_pointer_required): Enable
5336         frame pointer for TARGET_64BIT_MS_ABI when stack is misaligned.
5338 2016-01-07  Uros Bizjak  <ubizjak@gmail.com>
5340         Revert
5341         2016-01-06  Uros Bizjak  <ubizjak@gmail.com>
5343         PR target/69140
5344         * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
5345         depending on frame_pointer_needed before remaining integer and SSE
5346         registers are saved.
5348 2016-01-07  Sandra Loosemore  <sandra@codesourcery.com>
5350         PR 1078
5351         * doc/extend.texi (Nvidia PDX Function Attributes): New section.
5353 2016-01-07  H.J. Lu  <hongjiu.lu@intel.com>
5355         PR target/69171
5356         * config/i386/sse.md (<sse>_sqrt<mode>2<mask_name><round_name>):
5357         Use the "xBm" constraint.
5358         (float<sseintvecmodelower><mode>2<mask_name><round_name):
5359         Likewise.
5360         (sse_cvtsi2ss<round_name>): Use round_nimm_scalar_predicate.
5361         (sse_cvtsi2ssq<round_name>): Likewise.
5362         (sse_cvtss2si<round_name>): Likewise.
5363         (sse_cvtss2siq<round_name>): Likewise.
5364         (sse2_cvtsi2sdq<round_name>): Likewise.
5365         (sse2_cvtsd2si<round_name>): Likewise.
5366         (sse2_cvtsd2siq<round_name>): Likewise.
5367         * config/i386/subst.md (round_nimm_scalar_predicate): New
5368         predicate.
5370 2015-12-15  Bernd Schmidt  <bschmidt@redhat.com>
5372         PR middle-end/67639
5373         * varasm.c (make_decl_rtl): Mark invalid register vars as
5374         DECL_EXTERNAL.
5376         PR rtl-optimization/66206
5377         * bt-load.c (find_btr_use): Change first arg to be a pointer to an rtx.
5378         All callers changed.
5380 2016-01-07  Jakub Jelinek  <jakub@redhat.com>
5382         PR tree-optimization/69141
5383         * tree-ssa-pre.c: Include langhooks.h.
5384         (eliminate_dom_walker::before_dom_children): Use
5385         lang_hooks.decl_printable_name instead of
5386         cgraph_node::get ()->name ().
5388         PR middle-end/68960
5389         * gimple-expr.c (copy_var_decl): If var has DECL_USER_ALIGN set, copy
5390         it and DECL_ALIGN too.
5392 2016-01-06  Robert Suchanek  <robert.suchanek@imgtec.com>
5394         * config/mips/mips-ftypes.def: Sort to lexicographical order.
5396 2016-01-06  Uros Bizjak  <ubizjak@gmail.com>
5398         PR target/69140
5399         * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
5400         depending on frame_pointer_needed before remaining integer and SSE
5401         registers are saved.
5403 2015-01-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
5405         * config/rs6000/vsx.md (*p9_vecload_<mode>): Replace VSX_M
5406         mode iterator with VSX_M2.
5407         (*p9_vecstore_<mode>): Likewise.
5408         (*vsx_le_permute_<mode>): Restrict to !TARGET_P9_VECTOR.
5409         (*vsx_le_perm_load_<mode> for VSX_LE_128): Likewise.
5410         (*vsx_le_perm_store_<mode> for VSX_LE_128): Likewise.
5411         (define_split for VSX_LE128 stores): Likewise.
5412         (define_peephole2 for TImode LE swaps): Likewise.
5413         (define_split for VSX_LE128 post-reload stores): Likewise.
5415 2016-01-06  Marek Polacek  <polacek@redhat.com>
5417         PR sanitizer/69099
5418         * convert.c (convert_to_integer_1): Adjust call to
5419         ubsan_instrument_float_cast.  Use NULL_TREE instead of NULL.
5420         * ubsan.c (ubsan_instrument_float_cast): Drop the ARG parameter.  Use
5421         EXPR instead of ARG.
5422         * ubsan.h (ubsan_instrument_float_cast): Adjust declaration.
5424 2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>
5426         PR 1078
5427         * doc/extend.texi (RL78 Variable Attributes): New section.
5429 2016-01-05  Marek Polacek  <polacek@redhat.com>
5431         PR c/69104
5432         * builtins.c (get_memmodel): Use expansion point location rather than
5433         the input location.  Call warning_at rather than warning.
5434         (expand_builtin_atomic_compare_exchange): Likewise.
5435         (expand_builtin_atomic_load): Likewise.
5436         (expand_builtin_atomic_store): Likewise.
5437         (expand_builtin_atomic_clear): Likewise.
5439 2016-01-05  H.J. Lu  <hongjiu.lu@intel.com>
5441         PR target/68991
5442         * config/i386/i386.c (ix86_expand_vector_logical_operator):
5443         Replace nonimmediate_operand with vector_operand.
5444         * config/i386/predicates.md (vector_operand): New predicate.
5445         (general_vector_operand): Replace nonimmediate_operand with
5446         vector_operand.
5447         * config/i386/sse.md: Replace nonimmediate_operand with
5448         vector_operand and m constraint with Bm constraint on SSE
5449         patterns with 16-byte memory operand.
5450         * config/i386/subst.md (round_nimm_predicate): Replace
5451         nonimmediate_operand with vector_operand.
5452         (round_saeonly_nimm_predicate): Likewise.
5453         (round_saeonly_nimm_scalar_predicate): New.
5455 2016-01-05  H.J. Lu  <hongjiu.lu@intel.com>
5457         PR target/68991
5458         * config/i386/constraints.md (Bm): New constraint.
5459         * config/i386/predicates.md (vector_memory_operand): New
5460         predicate.
5461         * config/i386/sse.md: Replace xm with xBm in plusminus and
5462         any_logic patterns.
5464 2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>
5466         PR 1078
5467         * doc/extend.texi (V850 Function Attributes): New section.
5468         (V850 Variable Attributes): New section.
5470 2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>
5472         PR 1078
5473         * doc/extend.texi (MicroBlaze Function Attributes): Document
5474         interrupt_handler and fast_interrupt attributes.
5476 2016-01-05  Sergei Trofimovich  <siarheit@google.com>
5478         PR other/60465
5479         * config/ia64/ia64.c (ia64_expand_load_address): Use gprel64
5480         for local symbolic operands.
5481         * config/ia64/predicates.md (local_symbolic_operand64): New
5482         predicate.
5484 2016-01-05  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5486         PR rtl-optimization/68651
5487         * combine.c (combine_simplify_rtx): Canonicalize x + x into
5488         x << 1.
5490 2016-01-05  Nathan Sidwell  <nathan@acm.org>
5492         * alias.c (compare_base_decls): Use symtab_node::get.
5494 2016-01-05  Nick Clifton  <nickc@redhat.com>
5496         PR target/68770
5497         * ira-costs.c (copy_cost): Initialise the t_icode field of the
5498         secondary_reload_info structure.
5500         PR target/66655
5501         * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Define to use weak
5502         decls if weak support is available.
5504 2016-01-04  Martin Sebor  <msebor@redhat.com>
5506         * doc/invoke.texi (Warning Options): Document -Winvalid-memory-model.
5508 2016-01-04  Michael Meissner  <meissner@linux.vnet.ibm.com>
5510         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Add
5511         OPTION_MASK_P9_DFORM.
5513         * config/rs6000/constraints.md (wo constraint): New constraint for
5514         ISA 3.0 (power9).
5516         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Add support
5517         for wo constraint.
5518         (rs6000_init_hard_regno_mode_ok): Likewise.
5520         * config/rs6000/rs6000.h (r6000_reg_class_enum): Add support for
5521         wo constraint.
5523         * config/rs6000/altivec.md (altivec_vperm_<mode>): Clean up vperm
5524         expanders not to have constraints.  Add support for ISA 3.0 xxperm
5525         instruction.  Add support for fusing xxlor with xxperm.
5526         (altivec_vperm_<mode>_internal): Likewise.
5527         (altivec_vperm_v8hiv16qi): Likewise.
5528         (altivec_vperm_<mode>v16q): Likewise.
5529         (altivec_vperm_<mode>_uns): Likewise.
5530         (vperm_v8hiv4si): Likewise.
5531         (vperm_v16qiv8hi): Likewise.
5533         * doc/md.texi (RS/6000 constraints): Document wo constraint.
5535 2016-01-04  Jakub Jelinek  <jakub@redhat.com>
5537         Update copyright years.
5539         * gcc.c (process_command): Update copyright notice dates.
5540         * gcov-dump.c (print_version): Ditto.
5541         * gcov.c (print_version): Ditto.
5542         * gcov-tool.c (print_version): Ditto.
5543         * gengtype.c (create_file): Ditto.
5544         * doc/cpp.texi: Bump @copying's copyright year.
5545         * doc/cppinternals.texi: Ditto.
5546         * doc/gcc.texi: Ditto.
5547         * doc/gccint.texi: Ditto.
5548         * doc/gcov.texi: Ditto.
5549         * doc/install.texi: Ditto.
5550         * doc/invoke.texi: Ditto.
5552 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
5554         * config/arm/arm.c (aapcs_vfp_allocate_return_reg): Treat all integer
5555         modes larger than TImode as TImode if NEON is not enabled.
5557 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
5559         PR target/69100
5560         * config/sparc/sparc.h (FUNCTION_ARG_REGNO_P): Return true in 64-bit
5561         mode for %f0-%f31 only if TARGET_FPU.
5563 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
5565         PR target/69072
5566         * config/sparc/sparc.c (scan_record_type): Take into account subfields
5567         to compute the PACKED_P predicate.
5568         (function_arg_record_value): Minor tweaks.
5570 2016-01-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
5572         * doc/install.texi (--with-multilib-list): Describe the meaning of the
5573         option for arm*-*-* targets.
5575 2016-01-03  Sandra Loosemore  <sandra@codesourcery.com>
5577         * doc/extend.texi (Common Function Attributes): Move docs for
5578         MSP430-specific attributes to....
5579         (MSP430 Function Attributes): ...here.  Delete the redundant
5580         entries and copy-edit the remaining text.
5581         (MSP430 Variable Attributes): Use uniform format for index
5582         entries and add a cross-reference to the corresponding function
5583         attribute docs.
5585 2016-01-03  Vladimír Čunát  <vcunat@gmail.com>
5587         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix
5588         -finite-math typo.
5589         (x86 Options): Likewise.
5591 2016-01-01  Sandra Loosemore  <sandra@codesourcery.com>
5593         PR 1078
5595         * extend.texi (Common Function Attributes) <no_stack_limit>: New.
5596         * invoke.texi (Code Gen Options) <-fno-stack-limit>: Add pointer
5597         to corresponding attribute.
5599 2016-01-01  Sandra Loosemore  <sandra@codesourcery.com>
5601         * doc/extend.texi (Common Function Attributes) <noplt>: Move
5602         to correct alphabetization of table.  Copy-edit and correct
5603         markup.
5604         <stack_protect>: Likewise.
5605         <target_clones>: Likewise.
5606         <simd>: Likewise.
5607         * doc/invoke.texi (Optimize Options) <-fstack-protector-explicit>:
5608         Correct punctuation.
5609         (Code Gen Options) <-fno-plt>: Copy-edit.
5611 2016-01-01  Bernd Edlinger  <bernd.edlinger@hotmail.de>
5613         PR target/68917
5614         * config/tilegx/tilegx.md (clzsi2): Don't create DI subregs of
5615         SI values.  Explicitly convert SI to DI and vice-versa.
5617 2016-01-01  Jakub Jelinek  <jakub@redhat.com>
5619         PR tree-optimization/69070
5620         * tree-ssa-math-opts.c (gimple_expand_builtin_pow): Only test
5621         REAL_VALUE_ISSIGNALING_NAN on arg0 if arg0 is a REAL_CST.
5623         PR sanitizer/69055
5624         * ubsan.c (ubsan_instrument_float_cast): Call
5625         initialize_sanitizer_builtins.
5627         PR target/69015
5628         * ifcvt.c (find_cond_trap): Give up if returnjump_p (jump).
5630 Copyright (C) 2016 Free Software Foundation, Inc.
5632 Copying and distribution of this file, with or without modification,
5633 are permitted in any medium without royalty provided the copyright
5634 notice and this notice are preserved.