* doc/extend.texi (scalar_storage_order type attribute): Fix typo and
[official-gcc.git] / gcc / ChangeLog
blobabf3f2f71fde46ee4a936b5954d3fe5e41c79af2
1 2016-01-25  Eric Botcazou  <ebotcazou@adacore.com>
3         * doc/extend.texi (scalar_storage_order type attribute): Fix typo and
4         improve wording for mixed storage order support.
6 2016-01-25  Bilyan Borisov  <bilyan.borisov@arm.com>
8         * config/aarch64/arm_neon.h (vcvt_s64_f64): New intrinsic.
9         (vcvt_u64_f64): Likewise.
10         (vcvta_s64_f64): Likewise.
11         (vcvta_u64_f64): Likewise.
12         (vcvtm_s64_f64): Likewise.
13         (vcvtm_u64_f64): Likewise.
14         (vcvtn_s64_f64): Likewise.
15         (vcvtn_u64_f64): Likewise.
16         (vcvtp_s64_f64): Likewise.
17         (vcvtp_u64_f64): Likewise.
19 2016-01-25  Claudiu Zissulescu  <claziss@synopsys.com>
21         * config/arc/arc.c (TARGET_DWARF_REGISTER_SPAN): Define.
22         (arc_init): Check validity mll64 option.
23         (arc_save_restore): Use double load/store instruction.
24         (arc_expand_movmem): Likewise.
25         (arc_split_move): Don't split if we have double load/store
26         instructions. Returns a boolean.
27         (arc_process_double_reg_moves): Change function to return boolean
28         instead of a sequence of instructions.
29         (arc_dwarf_register_span): New function.
30         * config/arc/arc-protos.h (arc_split_move): Change prototype.
31         * config/arc/arc.h (TARGET_CPU_CPP_BUILTINS): Define __ARC_LL64__.
32         * config/arc/arc.md (*movdi_insn): Emit ldd/std instructions.
33         (*movdf_insn): Likewise.
34         * config/arc/arc.opt (mll64): New option.
35         * config/arc/predicates.md (even_register_operand): New predicate.
36         * doc/invoke.texi (ARC Options): Add mll64 documentation.
38 2016-01-25  Richard Biener  <rguenther@suse.de>
40         PR lto/69393
41         * dwarf2out.c (is_naming_typedef_decl): Not when DECL_NAMELESS.
42         * tree-streamer-out.c (pack_ts_base_value_fields): Stream
43         DECL_NAMELESS.
44         * tree-streamer-in.c (unpack_ts_base_value_fields): Likewise.
46 2016-01-25  Richard Biener  <rguenther@suse.de>
48         PR tree-optimization/69376
49         * tree-ssa-sccvn.h (struct vn_ssa_aux): Add range_info_anti_range_p
50         flag.
51         (VN_INFO_ANTI_RANGE_P): New inline.
52         (VN_INFO_RANGE_TYPE): Likewise.
53         * tree-ssa-sccvn.c (set_ssa_val_to): Also record and copy
54         SSA_NAME_ANTI_RANGE_P.
55         (free_scc_vn): Restore SSA_NAME_ANTI_RANGE_P.
56         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
57         Properly query VN_INFO_RANGE_TYPE.
59 2016-01-25  Nick Clifton  <nickc@redhat.com>
61         PR target/66655
62         * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Remove definition.
64 2016-01-23  Tom de Vries  <tom@codesourcery.com>
66         PR tree-optimization/69426
67         * tree-parloops.c (eliminate_local_variables_stmt): Handle vdef of
68         removed clobber.
70 2016-01-23  Jakub Jelinek  <jakub@redhat.com>
72         * tree-ssanames.c (release_free_names_and_compact_live_names): Replace
73         "the the" with "the" in the comments.
74         * ipa-devirt.c (build_type_inheritance_graph,
75         update_type_inheritance_graph): Likewise.
76         * tree.c (build_function_type_list_1): Likewise.
77         * cfgloopmanip.c (scale_loop_profile): Likewise.
78         * tree-ssa-loop-ivopts.c (get_shiftadd_cost): Likewise.
79         * gimple-ssa-split-paths.c
80         (find_block_to_duplicate_for_splitting_paths): Likewise.
81         * tree-sra.c (init_subtree_with_zero, clobber_subtree): Likewise.
82         * expr.c (convert_move): Likewise.
83         * var-tracking.c (vt_stack_adjustments): Likewise.
84         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Likewise.
85         * tree-vrp.c (test_for_singularity): Likewise.
87         * tree-vect-stmts.c (vectorizable_condition): Build a VEC_COND_EXPR
88         directly instead of building a temporary tree.
90         PR bootstrap/69434
91         * genrecog.c: Define INCLUDE_ALGORITHM before including system.h,
92         remove <algorithm> include.
94 2016-01-22  Jakub Jelinek  <jakub@redhat.com>
96         PR target/69432
97         * config/i386/i386.c: Include dojump.h.
98         (expand_small_movmem_or_setmem,
99         expand_set_or_movmem_prologue_epilogue_by_misaligned_moves): Spelling
100         fixes.
101         (ix86_expand_set_or_movmem): Call do_pending_stack_adjust () early
102         if dynamic_check != -1.
104 2016-01-21  Jeff Law  <law@redhat.com>
106         PR middle-end/69347
107         * tree-ssa-dom.c (back_propagate_equivalences): Factored out of
108         record_temporary_equivalences.  Rewritten to avoid unnecessary calls
109         into dominated_by_p.
110         (cprop_into_successor_phis): Avoid unnecessary tests.
112 2016-01-22  Richard Henderson  <rth@redhat.com>
114         PR target/69416
115         * config/aarch64/aarch64.md (UNSPEC_NZCV): New.
116         (ccmp<mode>, fccmp<mode>, fccmpe<mode>): Use it.
118 2016-01-22  Michael Matz  <matz@suse.de>
120         * system.h (string, algorithm): Include only conditionally.
121         (new): Include always under C++.
122         * bb-reorder.c (toplevel): Define INCLUDE_ALGORITHM.
123         * final.c (toplevel): Ditto.
124         * ipa-chkp.c (toplevel): Define INCLUDE_STRING.
125         * genconditions.c (write_header): Make gencondmd.c define
126         INCLUDE_STRING.
127         * mem-stats.h (mem_usage::print_dash_line): Don't use std::string.
129         * config/aarch64/aarch64.c (toplevel): Define INCLUDE_STRING.
130         * common/config/aarch64/aarch64-common.c (toplevel): Ditto.
132 2016-01-22  Christian Bruel  <christian.bruel@st.com>
134         PR target/68674
135         * expr.c (expand_expr_real_1): Reset DECL_MODE if VECTOR_TYPE_P changed.
137 2016-01-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
139         PR target/69403
140         * config/arm/thumb2.md (*thumb2_ior_scc_strict_it): Convert to
141         define_insn_and_split.  Ensure operands[1] and operands[0] do not
142         get assigned the same register.
144 2016-01-22  Kugan Vivekanandarajah  <kuganv@linaro.org>
146         * ipa-prop.c (ipa_set_jf_constant): Remove redundant unshare_expr.
148 2016-01-22  Christian Bruel  <christian.bruel@st.com>
150         * config/arm/arm-c.c (arm_pragma_target_parse):
151         Remove warn_builtin_macro_redefined overwrite.
153 2016-01-22  Eric Botcazou  <ebotcazou@adacore.com>
155         * ipa-inline.c (can_inline_edge_p): Back out overzealous check on
156         flag_non_call_exceptions compatibility.
158 2016-01-22  Jakub Jelinek  <jakub@redhat.com>
160         PR debug/66668
161         * dwarf2out.c (add_child_die_after): New function.
162         (dwarf_qual_info_t): New type.
163         (dwarf_qual_info): New variable.
164         (qualified_die_p): New function.
165         (modified_type_die): For -fdebug-types-section, ensure
166         canonical order of qualifiers.  Put qualified DIEs adjacent
167         to the corresponding non-qualified type DIE and search there
168         for existing qualified DIEs.
170 2016-01-22  Eric Botcazou  <ebotcazou@adacore.com>
172         * doc/extend.texi (scalar_storage_order type attribute): Document
173         restriction on type punning and aliasing, and remove future tense.
175 2016-01-21  Roman Zhuykov  <zhroma@ispras.ru>
177         PR target/69252
178         * modulo-sched.c (optimize_sc): Allow branch-scheduling to add a new
179         first stage.
181 2016-01-21  Jeff Law  <law@redhat.com>
183         PR middle-end/69347
184         * tree-ssa-dom.c (dom_opt_dom_walker::thread_across_edge): Avoid
185         useless call to record_temporary_equivalences.
186         * tree-ssa-threadbackward.c (find_jump_threads_backwards): Just
187         allocate 10 slots in the bb_path vector and let it grow as needed.
188         (fsm_find_control_statement_thread_paths): Similarly for the next_path
189         vector.
191 2016-01-21  David Edelsohn  <dje.gcc@gmail.com>
193         * configure.ac (gcc_cv_as_powerpc_mfcrf, gcc_cv_as_machine_directive):
194         Detangle.
195         * configure: Regenerate.
197 2016-01-21  Pat Haugen  <pthaugen@us.ibm.com>
199         * config/rs6000/aix71.h (ASM_CPU_SPEC): Add entry for Power9.
200         * config/rs6000/driver-rs6000.c (struct asm_names): Likewise.
202 2016-01-21  Bernd Schmidt  <bschmidt@redhat.com>
204         PR middle-end/66178
205         * expr.c (expand_expr_real_2) [PLUS_EXPR, MINUS_EXPR]: Don't
206         drop EXPAND_INITIALIZER.
207         * rtl.h (contains_symbolic_reference_p): Declare.
208         * rtlanal.c (contains_symbolic_reference_p): New function.
209         * simplify-rtx.c (simplify_binary_operation_1): Don't turn
210         a subtraction into a NOT if symbolic constants are involved.
212 2016-01-21  Anton Blanchard  <anton@samba.org>
213             Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
215         PR target/63354
216         * config/rs6000/linux64.h (TARGET_KEEP_LEAF_WHEN_PROFILED): New
217         #define.
218         * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled): New
219         function.
221 2016-01-21  Ajit Agarwal  <ajitkum@xilinx.com>
223         * config/microblaze/microblaze.c
224         (get_branch_target): New.
225         (insert_wic_for_ilb_runout): New.
226         (insert_wic): New.
227         (microblaze_machine_dependent_reorg): New.
228         (TARGET_MACHINE_DEPENDENT_REORG): Define macro.
229         * config/microblaze/microblaze.md
230         (UNSPEC_IPREFETCH): Define.
231         (iprefetch): New pattern
232         * config/microblaze/microblaze.opt
233         (mxl-prefetch): New flag.
235 2016-01-21  Ajit Agarwal  <ajitkum@xilinx.com>
237         * config/microblaze/microblaze.h
238         (FIXED_REGISTERS): Update in macro.
239         (CALL_USED_REGISTERS): Update in macro.
241 2016-01-21  Yuri Rumyantsev  <ysrumyan@gmail.com>
243         PR rtl-optimization/68920
244         * ifcvt.c (cond_move_process_if_block): Limit number of conditional
245         moves.
247 2016-01-21  Vladimir Makarov  <vmakarov@redhat.com>
249         PR rtl-optimization/68990
250         * lra-coalesce.c (lra_coalesce): Invalidate value for the result
251         pseudo instead of inheritance ones.
253 2016-01-21  Bernd Edlinger  <bernd.edlinger@hotmail.de>
254             Nick Clifton  <nickc@redhat.com>
256         PR target/69129
257         PR target/69012
258         * config/mips/mips.c (mips_compute_frame_info): Initialise
259         args_size and hard_frame_pointer_offset fields of the frame
260         structure before calling mips_global_pointer.
262 2016-01-21  David Edelsohn  <dje.gcc@gmail.com>
264         * configure.ac (gcc_cv_as_dwloc): Test support for debug frame section
265         label reference.
266         * configure: Regenerate.
268 2016-01-21  Richard Biener  <rguenther@suse.de>
270         * graphite-optimize-isl.c (get_schedule_map): Fix typo.
272 2016-01-21  Marcin Kościelnicki  <koriakin@0x04.net>
274         * config/s390/s390.c (s390_asm_declare_function_size): Add code
275         to actually emit the .size directive.
277 2016-01-21   Stefan Sørensen  <stefan.sorensen@spectralink.com>
278              Jakub Jelinek  <jakub@redhat.com>
280         PR target/69187
281         PR target/65624
282         * config/arm/arm-builtins.c (arm_expand_neon_builtin): Increase
283         args array size by one to avoid buffer overflow.
285 2016-01-21  Marcin Kościelnicki  <koriakin@0x04.net>
287         * config/s390/s390.md (pool_section_start): Use switch_to_section
288         to select proper read-only data section instead of hardcoding
289         .rodata.
290         (pool_section_end): Use switch_to_section to match the above.
292 2016-01-21  Richard Biener  <rguenther@suse.de>
294         PR tree-optimization/69378
295         * tree-ssa-sccvn.c (dominated_by_p_w_unex): New function.
296         (set_ssa_val_to): Use it for dominance checks taking into
297         account not executable edges.
299 2016-01-21  Jakub Jelinek  <jakub@redhat.com>
301         PR c++/69355
302         * tree-dfa.c (get_ref_base_and_extent): Use GET_MODE_BITSIZE (mode)
303         for bitsize instead of GET_MODE_PRECISION (mode).
305 2016-01-20  Martin Sebor  <msebor@redhat.com>
307         PR c/52291
308         * extend.texi (__sync Builtins): Clarify the semantics of
309         __sync_fetch_and_OP built-ins on pointers.
310         (__atomic Builtins): Same.
312 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
313             Sebastian Pop  <s.pop@samsung.com>
315         * graphite-isl-ast-to-gimple.c (enum phi_node_kind): New.
316         (class translate_isl_ast_to_gimple): Use phi_node_kind instead of bool.
317         (is_valid_rename): Same.
318         (translate_isl_ast_to_gimple::get_rename): Same.
319         (translate_isl_ast_to_gimple::rename_all_uses): Same.
320         (translate_isl_ast_to_gimple::rename_uses): Same.
321         (get_new_name): Check for close_phi nodes.
322         (copy_loop_phi_args): Use phi_node_kind.
323         (translate_isl_ast_to_gimple::copy_loop_close_phi_args): Same.
324         (translate_isl_ast_to_gimple::copy_cond_phi_args): Same.
326 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
327             Sebastian Pop  <s.pop@samsung.com>
329         Revert commit r229783.
330         * graphite-isl-ast-to-gimple.c (gcc_expression_from_isl_ast_expr_id):
331         Remove use of parameter_rename_map.
332         (copy_def): Remove.
333         (copy_internal_parameters): Remove.
334         (graphite_regenerate_ast_isl): Remove call to copy_internal_parameters.
335         * sese.c (new_sese_info): Do not initialize parameter_rename_map.
336         (free_sese_info): Do not free parameter_rename_map.
337         (set_rename): Do not use parameter_rename_map.
338         (rename_uses): Update call to set_rename.
339         (graphite_copy_stmts_from_block): Do not use parameter_rename_map.
340         * sese.h (parameter_rename_map_t): Remove.
341         (struct sese_info_t): Remove field parameter_rename_map.
343 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
344             Sebastian Pop  <s.pop@samsung.com>
346         * graphite-isl-ast-to-gimple.c: Fix comment.
347         * graphite-scop-detection.c (defined_in_loop_p): New.
348         (canonicalize_loop_closed_ssa): Do not add close phi nodes for SSA
349         names defined in loop.
351 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
352             Sebastian Pop  <s.pop@samsung.com>
354         * graphite-scop-detection.c (scop_detection::harmful_loop_in_region):
355         Discard unstructured if-then-else regions.
357 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
358             Sebastian Pop  <s.pop@samsung.com>
360         * graphite-sese-to-poly.c (set_scop_parameter_dim): Remove.
361         (cleanup_loop_iter_dom): Remove.
362         (build_loop_iteration_domains): Remove.
363         (build_scop_context): Remove.
364         (build_scop_iteration_domain): Remove.
365         (add_loop_constraints): New.
366         (build_iteration_domains): New.
367         (build_poly_scop): Call build_iteration_domains.
369 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
370             Sebastian Pop  <s.pop@samsung.com>
372         * graphite-scop-detection.c
373         (scop_detection::harmful_loop_in_region): Free dom and loops.
374         (scop_detection::loop_body_is_valid_scop): Free bbs.
376 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
377             Sebastian Pop  <s.pop@samsung.com>
379         * graphite-scop-detection.c (record_loop_in_sese): New.
380         (gather_bbs::before_dom_children): Call record_loop_in_sese.
381         (build_scops): Remove call to build_sese_loop_nests.
382         * sese.c (sese_record_loop): Remove.
383         (build_sese_loop_nests): Remove.
384         (new_sese_info): Remove region->loops.
385         (free_sese_info): Same.
386         * sese.h (sese_contains_loop): Same.
387         (build_sese_loop_nests): Remove.
388         (sese_contains_loop): Remove.
390 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
391             Sebastian Pop  <s.pop@samsung.com>
393         * graphite-scop-detection.c (loop_is_valid_scop): Renamed loop_is_valid_in_scop.
394         (scop_detection::harmful_stmt_in_region): Renamed harmful_loop_in_region.
395         Call loop_is_valid_in_scop.
397 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
398             Sebastian Pop  <s.pop@samsung.com>
400         * graphite-isl-ast-to-gimple.c (translate_isl_ast): Also handle
401         isl_ast_node_mark.
403 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
404             Sebastian Pop  <s.pop@samsung.com>
406         * graphite-poly.c (new_poly_bb): Remove use of PBB_IS_REDUCTION.
407         * graphite.h (struct poly_bb): Remove field is_reduction.
408         (PBB_IS_REDUCTION): Remove.
410 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
411             Sebastian Pop  <s.pop@samsung.com>
413         * graphite-dependences.c (constrain_domain): Add call to isl_*_coalesce.
414         (add_pdr_constraints): Same.
415         (scop_get_reads): Same.
416         (scop_get_must_writes): Same.
417         (scop_get_may_writes): Same.
418         (scop_get_original_schedule): Same.
419         (extend_schedule): Same.
420         (apply_schedule_on_deps): Same.
421         (carries_deps): Same.
422         (compute_deps): Same.
423         (scop_get_dependences): Same.
424         * graphite-isl-ast-to-gimple.c
425         (translate_isl_ast_to_gimple::generate_isl_schedule): Same.
426         * graphite-optimize-isl.c (get_schedule_for_band): Same.
427         (get_schedule_for_band_list): Same.
428         (get_schedule_map): Same.
429         (apply_schedule_map_to_scop): Same.
430         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
431         (build_loop_iteration_domains): Same.
432         (add_condition_to_pbb): Same.
433         (add_param_constraints): Same.
434         (pdr_add_memory_accesses): Same.
435         (pdr_add_data_dimensions): Same.
437 2016-01-20  Sandra Loosemore <sandra@codesourcery.com>
439         * doc/invoke.texi (Instrumentation Options): Clarify -mmpx linking
440         requirements.
442 2016-01-20  Sandra Loosemore <sandra@codesourcery.com>
444         * common.opt (feliminate-dwarf2-dups): Replace references to
445         "DWARF 2" with just "DWARF".
446         * config/ia64/ia64.opt (mdwarf2-asm): Likewise.
447         * doc/extend.texi: Likewise.
448         * doc/cpp.texi: Likewise.
449         * doc/invoke.texi: Likewise.
450         (Option Summary): Add -gdwarf to list of Debugging Options.
451         (Debugging Options): Document -gdwarf.
452         * doc/contrib.texi: Spell "DWARF" like that.
454 2016-01-21  Jakub Jelinek  <jakub@redhat.com>
456         * omp-low.c (expand_omp_target): Avoid -Wmaybe-uninitialized
457         warning.  Fix up formatting.
459         PR middle-end/67653
460         * gimplify.c (gimplify_asm_expr): Warn if it is too late to
461         attempt to mark memory input operand addressable and
462         call prepare_gimple_addressable in that case.  Don't adjust
463         input_location for diagnostics, use error_at instead.
465 2016-01-20  Peter Bergner  <bergner@vnet.ibm.com>
467         * config/rs6000/ppc-auxv.h: New file.
468         * config/rs6000/rs6000-builtin.def (cpu_init): Add new builtin.
469         (cpu_is): Likewise.
470         (cpu_supports): Likewise.
471         * config/rs6000/rs6000.c: include "ppc-auxv.h".
472         (cpu_is_info): New variable.
473         (cpu_supports_info): Likewise.
474         (tcb_verification_symbol): Likewise.
475         (cpu_builtin_p): Likewise.
476         (cpu_expand_builtin): New function.
477         (rs6000_expand_ternop_builtin): Add support for CPU builtin functions.
478         (rs6000_init_builtins): Likewise.
479         (rs6000_elf_file_end): Emit HWCAP in TCB verification symbol.
480         * config/rs6000/rs6000.h (TLS_REGNUM): New define.
481         * configure.ac (gcc_cv_libc_provides_hwcap_in_tcb): New test.
482         * configure: Regenerate.
483         * config.in: Likewise.
484         * doc/extend.texi (PowerPC Built-in Functions): Document
485         __builtin_cpu_init, __builtin_cpu_is and __builtin_cpu_supports.
487 2016-01-20  David Edelsohn  <dje.gcc@gmail.com>
489         PR target/68609
490         * config/rs6000/rs6000.c (rs6000_emit_swsqrt): Add vector sqrt
491         domain check.
492         * config/rs6000/vector.md (sqrt<mode>2): Call rs6000_emit_swsqrt
493         for V4SFmode.
495 2016-01-20  Richard Henderson  <rth@redhat.com>
497         PR bootstrap/69343
498         PR bootstrap/69339
499         PR tree-opt/68964
500         Revert:
501         * tree.c (tm_define_builtin): New.
502         (find_tm_vector_type): New.
503         (build_tm_vector_builtins): New.
504         (build_common_builtin_nodes): Call it.
506 2016-01-20  Christophe Lyon  <christophe.lyon@linaro.org>
508         * doc/sourcebuild.texi (arm_crypto_pragma_ok): Document new entry.
509         (arm_fp_ok): Likewise.
510         (arm_fp): Likewise.
511         (arm_crypto): Likewise.
513 2016-01-20  Ilya Enkovich  <enkovich.gnu@gmail.com>
514             Richard Biener  <rguenther@suse.de>
516         PR tree-optimization/69328
517         * tree-vect-stmts.c (vect_is_simple_cond): Check compared
518         vectors have same number of elements.
519         (vectorizable_condition): Fix masked version recognition.
521 2016-01-20  Richard Biener  <rguenther@suse.de>
523         PR tree-optimization/69345
524         * tree-ssa-sccvn.h (VN_INFO_RANGE_INFO): New inline function.
525         (VN_INFO_PTR_INFO): Likewise.
526         * tree-ssa-sccvn.c (set_ssa_val_to): Avoid clearing points-to
527         info when it is equal between non-dominating SSA names.
528         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
529         Make sure to look at original SSA infos.
531 2016-01-20  Jeff Law  <law@redhat.com>
533         PR target/25114
534         * config/m68k/predicates.md (pow2_m1_operand): New predicate
535         extracted from ...
536         (reg_or_pow2_m1_operand): Call pow2_m1_operand.
537         (pc_or_label_operand): New predicate.
538         * config/m68k/m68k.md: Add new peephole2 patterns for GTU/LEU
539         tests for small integers that are 2^n - 1.
541 2016-01-20  Jonathan Wakely  <jwakely@redhat.com>
543         * doc/invoke.texi (Options Summary): Add '.' after @xref.
545 2016-01-19  Jeff Law  <law@redhat.com>
547         PR middle-end/69347
548         * tree-ssa-threadbackwards.c
549         (fsm_find_control_statement_thread_paths): Do not try to lookup
550         FSM paths for SSA_NAMEs appearing in abnormal PHIs.
552 2016-01-20  Kugan Vivekanandarajah  <kuganv@linaro.org>
554         * doc/lto.texi: Remove text that says only Gold has linker plugin
555         support.
557 2016-01-19  Eric Botcazou  <ebotcazou@adacore.com>
559         * dwarf2out.c (need_endianity_attribute_p): New inline predicate.
560         (base_type_die): Add REVERSE parameter and attach DW_AT_endianity to
561         the DIE accordingly.
562         (modified_type_die): Add REVERSE parameter and pass it recursively,
563         as well as to base_type_die.  Adjust presence check accordingly.
564         (base_type_for_mode): Adjust call to modified_type_die.
565         (add_type_attribute): Add REVERSE parameter and pass it to
566         modified_type_die.
567         (generic_parameter_die): Adjust call to add_type_attribute.
568         (add_scalar_info): Likewise.
569         (add_subscript_info): Likewise.
570         (gen_array_type_die): Likewise.
571         (gen_descr_array_type_die): Likewise.
572         (gen_entry_point_die): Likewise.
573         (gen_enumeration_type_die): Likewise.
574         (gen_formal_parameter_die): Likewise.
575         (gen_subprogram_die): Likewise.
576         (gen_variable_die ): Likewise.
577         (gen_const_die): Likewise.
578         (gen_field_die): Likewise.
579         (gen_pointer_type_die): Likewise.
580         (gen_reference_type_die): Likewise.
581         (gen_ptr_to_mbr_type_die): Likewise.
582         (gen_inheritance_die): Likewise.
583         (gen_subroutine_type_die): Likewise.
584         (gen_typedef_die): Likewise.
585         (force_type_die): Adjust call to modified_type_die.
587 2016-01-19  Sandra Loosemore <sandra@codesourcery.com>
589         * doc/standards.texi: Copy-editing for grammar, markup, and sentence
590         flow throughout the file.  Fix broken link to Objective-C 2.0
591         documentation.
592         * doc/invoke.texi: More copy-editing; fix numerous typos and spelling
593         errors.
595 2016-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
597         * ccmp.c (expand_ccmp_expr_1): Avoid spurious unused warnings.
599 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
601         PR ipa/66223
602         * ipa-devirt.c (is_cxa_pure_virtual_p): New function.
603         (maybe_record_node): Record cxa_pure_virtual as the only possible
604         target if there are not ohter candidates.
605         (possible_polymorphic_call_target_p): Accept cxa_pure_virtual.
607 2016-01-19  Richard Biener  <rguenther@suse.de>
609         * hsa-gen.c (get_memory_order_name): Use MEMMODEL_ constants.
610         (get_memory_order): Likewise.
612 2016-01-19  Kirill Yukhin  <kirill.yukhin@intel.com>
614         * tree-vect-stmts.c (vectorizable_store): Check
615         rhs vectype.
617 2016-01-19  David Malcolm  <dmalcolm@redhat.com>
619         PR jit/68446
620         * gcc.c (driver::decode_argv): Add call to
621         init_opts_obstack before init_options_struct.
622         * opts.c (init_opts_obstack): Remove idempotency.
623         (init_options_struct): Replace call to init_opts_obstack
624         with a gcc_assert to verify that it has already been called.
625         * toplev.c (toplev::main): Add call to init_opts_obstack before
626         calls to init_options_struct.
627         (toplev::finalize): Move cleanup of opts_obstack next to
628         cleanup of save_decoded_options, clearing the latter, and
629         save_decoded_options_count.
631 2016-01-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
633         PR target/69135
634         * config/arm/vfp.md (l<vrint_pattern><su_optab><mode>si2): Set "conds"
635         attribute to unconditional.  Remove %? from output template.
637 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
638             Jiong Wang  <jiong.wang@arm.com>
640         * ccmp.c (expand_ccmp_expr_1): Cost the instruction sequences
641         generated from different expand order.
643 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
645         * /config/aarch64/aarch64.c (aarch64_if_then_else_costs):
646         Add support for CCMP costing.
648 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
650         * ccmp.c (ccmp_candidate_p): Remove integer-only restriction.
651         * config/aarch64/aarch64.md (fccmp<mode>): New pattern.
652         (fccmpe<mode>): Likewise.
653         (fcmp): Rename to fcmp and globalize pattern.
654         (fcmpe): Likewise.
655         * config/aarch64/aarch64.c (aarch64_gen_ccmp_first): Add FP support.
656         (aarch64_gen_ccmp_next): Add FP support.
658 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
660         * target.def (gen_ccmp_first): Update documentation.
661         (gen_ccmp_next): Likewise.
662         * doc/tm.texi (gen_ccmp_first): Update documentation.
663         (gen_ccmp_next): Likewise.
664         * ccmp.c (expand_ccmp_expr): Extract cmp_code from return value of
665         expand_ccmp_expr_1.  Improve comments.
666         * config/aarch64/aarch64.md (ccmp_and): Use if_then_else for ccmp.
667         (ccmp_ior<mode>): Remove pattern.
668         (cmp<mode>): Remove expand.
669         (cmp): Globalize pattern.
670         (cstorecc4): Use cc_register.
671         (mov<mode>cc): Remove ccmp_cc_register check.
672         * config/aarch64/aarch64.c (aarch64_get_condition_code_1):
673         Simplify after removal of CC_DNE/* modes.
674         (aarch64_ccmp_mode_to_code): Remove.
675         (aarch64_print_operand): Remove 'K' case.  Merge 'm' and 'M' cases.
676         In 'k' case use integer as condition.
677         (aarch64_nzcv_codes): Remove inverted cases.
678         (aarch64_code_to_ccmode): Remove.
679         (aarch64_gen_ccmp_first): Use cmp pattern directly.  Return the correct
680         comparison with CC register to be used in folowing CCMP/branch/CSEL.
681         (aarch64_gen_ccmp_next): Use previous comparison and mode in CCMP
682         pattern.  Return the comparison with CC register.  Invert conditions
683         when bitcode is OR.
684         * config/aarch64/aarch64-modes.def: Remove CC_DNE/* modes.
685         * config/aarch64/predicates.md (ccmp_cc_register): Remove.
687 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
689         * cgraphunit.c (cgraph_node::reset): Clear thunk info and
690         instrumented_version.
692 2016-01-19  Richard Biener  <rguenther@suse.de>
694         PR tree-optimization/69336
695         * tree-ssa-scopedtables.c (avail_expr_hash): Handle all
696         handled components with get_ref_base_and_extent.
697         (equal_mem_array_ref_p): Adjust.
699 2016-01-19  Jakub Jelinek  <jakub@redhat.com>
701         PR debug/65779
702         * shrink-wrap.c: Include valtrack.h.
703         (move_insn_for_shrink_wrap): Add DEBUG argument.  If
704         MAY_HAVE_DEBUG_INSNS, call dead_debug_add on DEBUG_INSNs
705         in between insn and where it will be moved to.  Call
706         dead_debug_insert_temp.
707         (prepare_shrink_wrap): Adjust caller.  Call dead_debug_local_init
708         first and dead_debug_local_finish at the end.
709         For uses and defs bitmap, handle all regs in between REGNO and
710         END_REGNO, not just the first one.
712 2016-01-19  Richard Biener  <rguenther@suse.de>
714         PR tree-optimization/69352
715         * tree-ssa-scopedtables.c (avail_expr_hash): Check for size == -1.
716         (equal_mem_array_ref_p): Constrain size and max size properly.
717         Compare the reverse flag.
719 2016-01-19  Bernd Schmidt  <bschmidt@redhat.com>
721         * ira.c (ira): Update regstat data if we deleted insns.
723 2016-01-19  Jakub Jelinek  <jakub@redhat.com>
725         PR rtl-optimization/68955
726         PR rtl-optimization/64557
727         * dse.c (record_store, check_mem_read_rtx): Don't call get_addr
728         here.  Fix up formatting.
729         * alias.c (get_addr): Handle VALUE +/- CONST_SCALAR_INT_P.
731 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
733         PR lto/69133
734         * cgraphunit.c (cgraph_node::expand_thunk): When forcing gimple
735         assume that the node has body.
736         * cgraph.c (cgraph_node::get_untransformed_body): Use gimple_body_p
737         check.
739 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
741         * lto-streamer-out.c (lto_output): Do not stream instrumentation
742         thunks.
744 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
746         * symtab.c (symtab_node::asm_name): Do not call printable name directly.
747         (symtab_node::name): Report name as unnamed if DECL_NAME is not set.
749 2016-01-19  Martin Jambor  <mjambor@suse.cz>
750             Martin Liska  <mliska@suse.cz>
751             Michael Matz <matz@suse.de>
753         * Makefile.in (OBJS): Add new source files.
754         (GTFILES): Add hsa.c.
755         * common.opt (disable_hsa): New variable.
756         (-Whsa): New warning.
757         * config.in (ENABLE_HSA): New.
758         * configure.ac: Treat hsa differently from other accelerators.
759         (OFFLOAD_TARGETS): Define ENABLE_OFFLOADING according to
760         $enable_offloading.
761         (ENABLE_HSA): Define ENABLE_HSA according to $enable_hsa.
762         * doc/install.texi (Configuration): Document --with-hsa-runtime,
763         --with-hsa-runtime-include, --with-hsa-runtime-lib and
764         --with-hsa-kmt-lib.
765         * doc/invoke.texi (-Whsa): Document.
766         (hsa-gen-debug-stores): Likewise.
767         * lto-wrapper.c (compile_images_for_offload_targets): Do not attempt
768         to invoke offload compiler for hsa acclerator.
769         * opts.c (common_handle_option): Determine whether HSA offloading
770         should be performed.
771         * params.def (PARAM_HSA_GEN_DEBUG_STORES): New parameter.
772         * builtin-types.def (BT_FN_VOID_UINT_PTR_INT_PTR): New.
773         (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_INT_INT): Removed.
774         (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_PTR): New.
775         * gimple-low.c (lower_stmt): Also handle GIMPLE_OMP_GRID_BODY.
776         * gimple-pretty-print.c (dump_gimple_omp_for): Also handle
777         GF_OMP_FOR_KIND_GRID_LOOP.
778         (dump_gimple_omp_block): Also handle GIMPLE_OMP_GRID_BODY.
779         (pp_gimple_stmt_1): Likewise.
780         * gimple-walk.c (walk_gimple_stmt): Likewise.
781         * gimple.c (gimple_build_omp_grid_body): New function.
782         (gimple_copy): Also handle GIMPLE_OMP_GRID_BODY.
783         * gimple.def (GIMPLE_OMP_GRID_BODY): New.
784         * gimple.h (enum gf_mask): Added GF_OMP_PARALLEL_GRID_PHONY,
785         GF_OMP_FOR_KIND_GRID_LOOP, GF_OMP_FOR_GRID_PHONY and
786         GF_OMP_TEAMS_GRID_PHONY.
787         (gimple_statement_omp_single_layout): Updated comments.
788         (gimple_build_omp_grid_body): New function.
789         (gimple_has_substatements): Also handle GIMPLE_OMP_GRID_BODY.
790         (gimple_omp_for_grid_phony): New function.
791         (gimple_omp_for_set_grid_phony): Likewise.
792         (gimple_omp_parallel_grid_phony): Likewise.
793         (gimple_omp_parallel_set_grid_phony): Likewise.
794         (gimple_omp_teams_grid_phony): Likewise.
795         (gimple_omp_teams_set_grid_phony): Likewise.
796         (gimple_return_set_retbnd): Also handle GIMPLE_OMP_GRID_BODY.
797         * omp-builtins.def (BUILT_IN_GOMP_OFFLOAD_REGISTER): New.
798         (BUILT_IN_GOMP_OFFLOAD_UNREGISTER): Likewise.
799         (BUILT_IN_GOMP_TARGET): Updated type.
800         * omp-low.c: Include symbol-summary.h, hsa.h and params.h.
801         (adjust_for_condition): New function.
802         (get_omp_for_step_from_incr): Likewise.
803         (extract_omp_for_data): Moved parts to adjust_for_condition and
804         get_omp_for_step_from_incr.
805         (build_outer_var_ref): Handle GIMPLE_OMP_GRID_BODY.
806         (fixup_child_record_type): Bail out if receiver_decl is NULL.
807         (scan_sharing_clauses): Handle OMP_CLAUSE__GRIDDIM_.
808         (scan_omp_parallel): Do not create child functions for phony
809         constructs.
810         (check_omp_nesting_restrictions): Handle GIMPLE_OMP_GRID_BODY.
811         (scan_omp_1_op): Checking assert we are not remapping to
812         ERROR_MARK.  Also also handle GIMPLE_OMP_GRID_BODY.
813         (parallel_needs_hsa_kernel_p): New function.
814         (expand_parallel_call): Register apprpriate parallel child
815         functions as HSA kernels.
816         (grid_launch_attributes_trees): New type.
817         (grid_attr_trees): New variable.
818         (grid_create_kernel_launch_attr_types): New function.
819         (grid_insert_store_range_dim): Likewise.
820         (grid_get_kernel_launch_attributes): Likewise.
821         (get_target_argument_identifier_1): Likewise.
822         (get_target_argument_identifier): Likewise.
823         (get_target_argument_value): Likewise.
824         (push_target_argument_according_to_value): Likewise.
825         (get_target_arguments): Likewise.
826         (expand_omp_target): Call get_target_arguments instead of looking
827         up for teams and thread limit.
828         (grid_expand_omp_for_loop): New function.
829         (grid_arg_decl_map): New type.
830         (grid_remap_kernel_arg_accesses): New function.
831         (grid_expand_target_kernel_body): New function.
832         (expand_omp): Call it.
833         (lower_omp_for): Do not emit phony constructs.
834         (lower_omp_taskreg): Do not emit phony constructs but create for them
835         a temporary variable receiver_decl.
836         (lower_omp_taskreg): Do not emit phony constructs.
837         (lower_omp_teams): Likewise.
838         (lower_omp_grid_body): New function.
839         (lower_omp_1): Call it.
840         (grid_reg_assignment_to_local_var_p): New function.
841         (grid_seq_only_contains_local_assignments): Likewise.
842         (grid_find_single_omp_among_assignments_1): Likewise.
843         (grid_find_single_omp_among_assignments): Likewise.
844         (grid_find_ungridifiable_statement): Likewise.
845         (grid_target_follows_gridifiable_pattern): Likewise.
846         (grid_remap_prebody_decls): Likewise.
847         (grid_copy_leading_local_assignments): Likewise.
848         (grid_process_kernel_body_copy): Likewise.
849         (grid_attempt_target_gridification): Likewise.
850         (grid_gridify_all_targets_stmt): Likewise.
851         (grid_gridify_all_targets): Likewise.
852         (execute_lower_omp): Call grid_gridify_all_targets.
853         (make_gimple_omp_edges): Handle GIMPLE_OMP_GRID_BODY.
854         * tree-core.h (omp_clause_code): Added OMP_CLAUSE__GRIDDIM_.
855         (tree_omp_clause): Added union field dimension.
856         * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE__GRIDDIM_.
857         * tree.c (omp_clause_num_ops): Added number of arguments of
858         OMP_CLAUSE__GRIDDIM_.
859         (omp_clause_code_name): Added name of OMP_CLAUSE__GRIDDIM_.
860         (walk_tree_1): Handle OMP_CLAUSE__GRIDDIM_.
861         * tree.h (OMP_CLAUSE_GRIDDIM_DIMENSION): New.
862         (OMP_CLAUSE_SET_GRIDDIM_DIMENSION): Likewise.
863         (OMP_CLAUSE_GRIDDIM_SIZE): Likewise.
864         (OMP_CLAUSE_GRIDDIM_GROUP): Likewise.
865         * passes.def: Schedule pass_ipa_hsa and pass_gen_hsail.
866         * tree-pass.h (make_pass_gen_hsail): Declare.
867         (make_pass_ipa_hsa): Likewise.
868         * ipa-hsa.c: New file.
869         * lto-section-in.c (lto_section_name): Add hsa section name.
870         * lto-streamer.h (lto_section_type): Add hsa section.
871         * timevar.def (TV_IPA_HSA): New.
872         * hsa-brig-format.h: New file.
873         * hsa-brig.c: New file.
874         * hsa-dump.c: Likewise.
875         * hsa-gen.c: Likewise.
876         * hsa.c: Likewise.
877         * hsa.h: Likewise.
878         * toplev.c (compile_file): Call hsa_output_brig.
879         * hsa-regalloc.c: New file.
881 2016-01-18  Jeff Law  <law@redhat.com>
883         PR tree-optimization/69320
884         * tree-ssa-dom.c (record_edge_info): For comparisons against a boolean
885         ranged object, do nothing if the RHS constant is not [0..1].
886         (optimize_stmt): Comparing a boolean ranged object against a
887         constant outside [0..1] results in a compile-time constant.
889         * tree-ssanames.c (ssa_name_has_boolean_range): Remove unnecessary
890         test.
892 2016-01-18  Sandra Loosemore <sandra@codesourcery.com>
894         * doc/invoke.texi (Invoking GCC): Add new section to menu.
895         (Option Summary): Update to reflect new section and moved options.
896         (C++ Dialect Options): Move -fstats to new section.
897         (Debugging Options): Move all dump, statistics, and other GCC
898         developer options to new section.  Rewrite section introduction
899         and re-order remaining options to put the more basic ones first.
900         (Optimization Options): Move -fira-verbose and -flto-report* to
901         new section.
902         (Developer Options): New section incorporating moved options.
903         * doc/cppopts.texi (-dM): Update cross-reference.
905 2016-01-18  Richard Henderson  <rth@redhat.com>
907         PR target/69176
908         * config/aarch64/aarch64.md (add<GPI>3): Move long immediate
909         operands to pseudo only if CSE is expected.  Split long immediate
910         operands only after reload, and for the stack pointer.
911         (*add<GPI>3_pluslong): Remove.
912         (*addsi3_aarch64, *adddi3_aarch64): Merge into...
913         (*add<GPI>3_aarch64): ... here.  Add r/rk/Upl alternative.
914         (*addsi3_aarch64_uxtw): Add r/rk/Upl alternative.
915         (*add<GPI>3 peepholes): New.
916         (*add<GPI>3 splitters): New.
917         * config/aarch64/constraints.md (Upl): New.
918         * config/aarch64/predicates.md (aarch64_pluslong_strict_immedate): New.
920 2016-01-18  Richard Biener  <rguenther@suse.de>
922         PR tree-optimization/69297
923         * tree-vect-slp.c (vect_bb_slp_scalar_cost): Count each scalar
924         stmt at most once.
925         (vect_bb_vectorization_profitable_p): Clear visited flag again.
927 2016-01-18  Yuri Rumyantsev  <ysrumyan@gmail.com>
929         PR middle-end/68542
930         * fold-const.c (fold_binary_op_with_conditional_arg): Bail out for case
931         of mixind vector and scalar types.
932         (fold_relational_const): Add handling of vector
933         comparison with boolean result.
934         * tree-cfg.c (verify_gimple_comparison): Add argument CODE, allow
935         comparison of vector operands with boolean result for EQ/NE only.
936         (verify_gimple_assign_binary): Adjust call for verify_gimple_comparison.
937         (verify_gimple_cond): Likewise.
938         * tree-vrp.c (extract_code_and_val_from_cond_with_ops): Modify check on
939         valid type of VAL.
941 2016-01-18  Joseph Myers  <joseph@codesourcery.com>
943         * config/mips/mips.h (ISA_HAS_PAIRED_SINGLE): Require
944         !TARGET_OCTEON.
946 2016-01-18  Richard Biener  <rguenther@suse.de>
948         PR middle-end/69308
949         * gimple.c (gimple_could_trap_p_1): Handle GIMPLE_COND.
951 2016-01-18  Tom de Vries  <tom@codesourcery.com>
953         * passes.def: Add pass_parallelize_loops to pass_oacc_kernels.
955 2016-01-18  Tom de Vries  <tom@codesourcery.com>
957         * omp-low.c (set_oacc_fn_attrib): Make extern.
958         * omp-low.h (set_oacc_fn_attrib): Declare.
959         * tree-parloops.c (struct reduction_info): Add reduc_addr field.
960         (create_call_for_reduction_1): Handle case that reduc_addr is non-NULL.
961         (create_parallel_loop, gen_parallel_loop, try_create_reduction_list):
962         Add and handle function parameter oacc_kernels_p.
963         (find_reduc_addr, get_omp_data_i_param): New function.
964         (ref_conflicts_with_region, oacc_entry_exit_ok_1)
965         (oacc_entry_exit_single_gang, oacc_entry_exit_ok): New function.
966         (parallelize_loops): Add and handle function parameter oacc_kernels_p.
967         Calculate dominance info.  Skip loops that are not in a kernels region
968         in oacc_kernels_p mode.  Skip inner loops of parallelized loops.
969         (pass_parallelize_loops::execute): Call parallelize_loops with
970         oacc_kernels_p argument.
971         (pass_parallelize_loops::clone, pass_parallelize_loops::set_pass_param):
972         New member function.
973         (pass_parallelize_loops::bool oacc_kernels_p): New member var.
974         * passes.def: Add argument to pass_parallelize_loops instantation.
976 2016-01-18  Tom de Vries  <tom@codesourcery.com>
978         * tree-parloops.c (pass_parallelize_loops::execute): Allow
979         pass_parallelize_loops to be run outside the loop pipeline.
981 2016-01-18  Alan Lawrence  <alan.lawrence@arm.com>
983         * tree-scalar-evolution.c (follow_copies_to_constant): New.
984         (analyze_initial_condition, analyze_scalar_evolution_1): Call previous.
986 2016-01-18  Alan Lawrence  <alan.lawrence@arm.com>
988         PR target/63679
989         * tree-ssa-scopedtables.c (avail_expr_hash): Hash MEM_REF and ARRAY_REF
990         using get_ref_base_and_extent.
991         (equal_mem_array_ref_p): New.
992         (hashable_expr_equal_p): Add call to previous.
994 2016-01-18  Alan Lawrence  <alan.lawrence@arm.com>
996         PR target/63679
997         * tree-sra.c (disqualified_constants, constant_decl_p): New.
998         (sra_initialize): Allocate disqualified_constants.
999         (sra_deinitialize): Free disqualified_constants.
1000         (disqualify_candidate): Update disqualified_constants when appropriate.
1001         (create_access): Scan for constant-pool entries as we go along.
1002         (scalarizable_type_p): Add check against type_contains_placeholder_p.
1003         (maybe_add_sra_candidate): Allow constant-pool entries.
1004         (load_assign_lhs_subreplacements): Bind debug for constant pool vars.
1005         (initialize_constant_pool_replacements): New.
1006         (sra_modify_assign): Avoid mangling assignments created by previous,
1007         and don't generate writes into constant pool.
1008         (sra_modify_function_body): Call initialize_constant_pool_replacements.
1010 2016-01-18  Ilya Enkovich  <enkovich.gnu@gmail.com>
1012         * config/i386/i386.c (scalar_to_vector_candidate_p): Support
1013         andnot instruction.
1014         (scalar_chain::convert_op): Likewise.
1015         * config/i386/i386.md (*andndi3_doubleword): New.
1017 2016-01-18  Richard Biener  <rguenther@suse.de>
1019         PR tree-optimization/69170
1020         * tree-vect-slp.c (vect_build_slp_tree): Verify we are not
1021         building a vector from scalar results of a pattern stmt.
1023 2016-01-18  Jakub Jelinek  <jakub@redhat.com>
1025         * haifa-sched.c (autopref_multipass_init): Work around
1026         -Wmaybe-uninitialized warning.
1028 2016-01-18  Thomas Preud'homme  <thomas.preudhomme@arm.com>
1030         * config/arm/arm.c (thumb1_reorg): Check that the comparison is
1031         against the constant 0.
1033 2016-01-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1035         PR tree-optimization/68799
1036         * gimple-ssa-strength-reduction.c (create_phi_basis): Directly
1037         look up phi candidates in the statement-candidate map.
1038         (phi_add_costs): Likewise.
1039         (record_phi_increments): Likewise.
1040         (phi_incr_cost): Likewise.
1041         (ncd_with_phi): Likewise.
1042         (all_phi_incrs_profitable): Likewise.
1044 2016-01-17  Jakub Jelinek  <jakub@redhat.com>
1046         * omp-low.c (mark_loops_in_oacc_kernels_region): Work around
1047         -Wmaybe-uninitialized warning.
1049 2016-01-16  Sandra Loosemore  <sandra@codesourcery.com>
1051         * doc/invoke.texi (Invoking GCC): Add new section to menu.
1052         (Option Summary): Update to reflect new section and moved options.
1053         (C++ Dialect Options): Move -fvtable-verify and related options.
1054         (Debugging Options): Move Sanitizer, Pointer Bounds Checker,
1055         and profiling-related options.
1056         (Optimization Options): Move profile generation options and
1057         -fstack-protector and related options.
1058         (Instrumentation Options): New section incorporating moved options.
1059         (Code Generation Options): Move -finstrument-functions and
1060         related options, -fstack-check, -fstack-limit*, and -fbounds-check.
1062 2016-01-16  Tom de Vries  <tom@codesourcery.com>
1064         * passes.def: Move pass_expand_omp_ssa out of pass_parallelize_loops.
1066 2016-01-16  Tom de Vries  <tom@codesourcery.com>
1068         * omp-low.c (expand_omp_atomic_fetch_op):  Release defs of update stmt.
1070 2016-01-16  Richard Sandiford  <richard.sandiford@arm.com>
1072         * hash-table.h (hash_table::empty): Turn into an inline wrapper
1073         that checks whether the table is already empty.  Rename the
1074         original implementation to...
1075         (hash_table::empty_slot): ...this new private function.
1077 2016-01-15  David Malcolm  <dmalcolm@redhat.com>
1079         PR diagnostic/68899
1080         * diagnostic-show-locus.c (layout::print_source_line): Move x
1081         offset of line until after call to
1082         get_line_width_without_trailing_whitespace.
1084 2016-01-15  Jeff Law  <law@redhat.com>
1086         PR tree-optimization/69270
1087         * tree-ssanames.c (ssa_name_has_boolean_range): Moved here from
1088         tree-ssa-dom.c.  Improve test for [0..1] ranve from VRP.
1089         * tree-ssa-dom.c (ssa_name_has_boolean_range): Remove.
1090         * tree-ssanames.h (ssa_name_has_boolean_range): Prototype.
1091         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
1092         ssa_name_has_boolean_range and constant_boolean_node.
1094 2016-01-15  Vladimir Makarov  <vmakarov@redhat.com>
1096         PR rtl-optimization/69030
1097         * lra-spills.c (remove_pseudos): Check nrefs and make the function
1098         returning bool.
1099         (spill_pseudos): Delete debug insn for dead pseudo.
1100         (lra_spill): Initiate spill_hard_reg and slots memory separately.
1102 2016-01-15  Jiong Wang  <jiong.wang@arm.com>
1104         * config/aarch64/aarch64-builtins.c (aarch64_types_unopus_qualifiers):
1105         New.
1106         (TYPES_UNOPUS): Likewise.
1107         * config/aarch64/aarch64-simd-builtins.def (lbtruncuv2sf): Correct
1108         builtin type, from UNOP to UNOPUS.
1109         (lbtruncuv4sf): Likewise.
1110         (lbtruncuv2df): Likewise.
1111         (lrounduv2sf): Likewise.
1112         (lrounduv4sf): Likewise.
1113         (lrounduv2df): Likewise.
1114         (lroundusf): Likewise.
1115         (lroundusf): Likewise.
1116         (lceiluv2sf): Likewise.
1117         (lceiluv4sf): Likewise.
1118         (lceiluv2df): Likewise.
1119         (lceilusf): Likewise.
1120         (lceiludf): Likewise.
1121         (lflooruv2sf): Likewise.
1122         (lflooruv4sf): Likewise.
1123         (lflooruv2df): Likewise.
1124         (lfloorusf): Likewise.
1125         (lfloorudf): Likewise.
1126         (lfrintnuv2sf): Likewise.
1127         (lfrintnuv4sf): Likewise.
1128         (lfrintnuv2df): Likewise.
1129         (lfrintnusf): Likewise.
1130         (lfrintnudf): Likewise.
1131         * config/aarch64/arm_neon.h (vcvt_u32_f32): Remove unncessary type
1132         conversion.
1133         (vcvtq_u32_f32): Likewise.
1134         (vcvtq_u64_f64): Likewise.
1135         (vcvta_u32_f32): Likewise.
1136         (vcvtaq_u32_f32): Likewise.
1137         (vcvtaq_u64_f64): Likewise.
1138         (vcvtm_u32_f32): Likewise.
1139         (vcvtmq_u32_f32): Likewise.
1140         (vcvtmq_u64_f64): Likewise.
1141         (vcvtn_u32_f32): Likwise.
1142         (vcvtnq_u32_f32): Likewise.
1143         (vcvtnq_u64_f64): Likewise.
1144         (vcvtp_u32_f32): Likewise.
1145         (vcvtpq_u32_f32): Likewise.
1146         (vcvtpq_u64_f64): Likewise.
1147         (vcvtmd_u64_f64): Likewise.
1148         (vcvtms_u32_f32): Likewise.
1149         (vcvtad_u64_f64): Likewise.
1150         (vcvtas_u32_f32): Likewise.
1151         (vcvtnd_u64_f64): Likewise.
1152         (vcvtns_u32_f32): Likewise.
1153         (vcvtpd_u64_f64): Likewise.
1154         (vcvtps_u32_f32): Likewise.
1156 2016-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1158         * config/aarch64/aarch64.c (aarch64_if_then_else_costs): Handle
1159         CSEL of zero_extended registers.
1161 2016-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1163         * config/aarch64/aarch64.c (aarch64_rtx_costs, COMPARE case):
1164         Handle COMPARE of ZERO_EXTRACT against zero form of TST-immediate.
1166 2016-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1168         * config/aarch64/aarch64.c (aarch64_process_one_target_attr): Return
1169         false when argument string is not found in the attributes table
1170         at all.
1172 2016-01-15  David Edelsohn  <dje.gcc@gmail.com>
1174         PR target/68609
1175         * config/rs6000/rs6000.c (rs6000_emit_msub): Delete.
1176         (rs6000_emit_swsqrt): Convert to Goldschmidt's Algorithm
1177         * config/rs6000/rs6000.md (sqrt<mode>2): Limit swsqrt to high
1178         precision estimate.
1180 2016-01-15  Richard Biener  <rguenther@suse.de>
1182         PR tree-optimization/66856
1183         * tree-vect-loop.c (vect_transform_loop): Free SLP instances here.
1184         * tree-vect-slp.c (vect_free_slp_tree): Decrement stmt reference count.
1185         (vect_create_new_slp_node): Increment stmt reference count.
1186         (vect_get_and_check_slp_defs): Make sure stmts are nor already in
1187         an SLP tree before swapping operands.
1188         (vect_build_slp_tree): Likewise.
1189         (destroy_bb_vec_info): Free stmt info after SLP instances.
1190         * tree-vect-stmts.c (new_stmt_vec_info): Initialize reference count.
1191         * tree-vectorizer.h (struct _stmt_vec_info): Add num_slp_uses field.
1192         (STMT_VINFO_NUM_SLP_USES): New macro.
1194 2016-01-15  Richard Biener  <rguenther@suse.de>
1196         PR debug/69137
1197         * dwarf2out.c (add_linkage_name_raw): New function split out from ...
1198         (add_linkage_name): ... here.
1199         (gen_typedef_die): Use add_linkage_name_raw instead of
1200         add_linkage_attr to delay DECL_ASSEMBLER_NAME computation
1201         if necessary.
1203 2016-01-15  Cesar Philippidis  <cesar@codesourcery.com>
1205         * gimplify.c (oacc_default_clause): Decode reference and pointer
1206         types for both kernels and parallel regions.
1208 2016-01-15  Richard Sandiford  <richard.sandiford@arm.com>
1210         PR middle-end/69246
1211         * calls.c (emit_call_1): Force n_popped to zero for sibcalls.
1213 2016-01-15  Ilya Enkovich  <enkovich.gnu@gmail.com>
1215         * config/i386/i386.c (scalar_chain::compute_convert_gain): Fix typo.
1216         (convert_scalars_to_vector): Likewise.
1218 2016-01-15  Jonathan Wakely  <jwakely@redhat.com>
1220         * doc/extend.texi (Type Traits): Fix grammar.
1222 2016-01-15  Martin Jambor  <mjambor@suse.cz>
1224         * tree-inline.c (remap_decl): Use existing dclarations if
1225         remapping a type and prevent_decl_creation_for_types.
1226         (replace_locals_stmt): Do an initial remapping of non-VLA typed
1227         decls first.  Do real remapping with
1228         prevent_decl_creation_for_types set.
1229         * tree-inline.h (copy_body_data): New field
1230         prevent_decl_creation_for_types, moved remap_var_for_cilk to avoid
1231         padding.
1233 2016-01-15  Dominik Vogt  <vogt@linux.vnet.ibm.com>
1235         * config/s390/s390.opt (mmvcle): More verbose help text.
1237 2016-01-15  Dominik Vogt  <vogt@linux.vnet.ibm.com>
1239         * config/s390/s390.opt: Add period to -mzvector option text.
1241 2016-01-15  Richard Biener  <rguenther@suse.de>
1243         PR tree-optimization/68961
1244         * tree-vect-slp.c (vect_analyze_slp_cost_1): Consider cost
1245         of invariants in stores again.
1247 2016-01-15  Sebastian Huber  <sebastian.huber@embedded-brains.de>
1249         * config/arm/t-rtems: Add cortex-m7/fpv5-d16 multilib.
1251 2016-01-15  Ilya Enkovich  <enkovich.gnu@gmail.com>
1253         * config/i386/i386.c (ix86_expand_branch): Don't split
1254         DI mode xor instruction to SI mode.
1256 2016-01-15  Jan Hubicka  <hubicka@ucw.cz>
1258         PR ipa/68148
1259         * ipa-icf.c (sem_function::merge): Virtual functions may become
1260         reachable even if they address is not taken and there are no
1261         idrect calls.
1263 2016-01-15  Jan Hubicka  <hubicka@ucw.cz>
1265         * lto-streamer-out.c (subtract_estimated_size): New function.
1266         (get_symbol_initial_value): Use it.
1268 2016-01-15  Christian Bruel  <christian.bruel@st.com>
1270         PR target/65837
1271         * config/arm/arm-builtins.c (ARM_BUILTIN_CRYPTO_BASE): New enum tag.
1272         (arm_init_neon_builtins_internal): Rename arm_init_neon_builtins,
1273         (arm_init_crypto_builtins_internal): Rename arm_init_crypto_builtins.
1274         use add_builtin_function_ext_scope instead of add_builtin_function.
1275         (neon_set_p, neon_crypto_set_p): Remove.
1276         (arm_init_builtins): Always call arm_init_neon_builtins and
1277         arm_init_crypto_builtins.
1278         (arm_expand_builtin): Check that builtins are allowed for the arch.
1279         * config/arm/arm-protos.h (arm_init_neon_builtins): Remove prototype.
1280         * config/arm/arm.c (arm_valid_target_attribute_tree): Remove
1281         arm_init_neon_builtins call.
1283 2016-01-15  Richard Biener  <rguenther@suse.de>
1285         PR tree-optimization/69117
1286         * tree-ssa-sccvn.h (struct vn_ssa_aux): Add info member.
1287         * tree-ssa-sccvn.c (set_ssa_val_to): Save and adjust SSA name info
1288         of the leader conservatively.
1289         (free_scc_vn): Restore original SSA name infos.
1291 2016-01-14  Jeff Law  <law@redhat.com>
1293         PR tree-optimization/69270
1294         * tree-ssa-dom.c (ssa_name_has_boolean_range): If the type has a
1295         single bit of precision, verify it's also unsigned.
1296         (record_edge_info): Use constant_boolean_node rather than fold_convert
1297         to convert boolean_true/boolean_false to the right type.
1299 2016-01-14  Richard Henderson  <rth@redhat.com>
1301         PR rtl-opt/69014
1302         * loop-doloop.c (record_reg_sets): New.
1303         (doloop_optimize): Reject the transform if the sequence
1304         clobbers registers live at the end of the loop block.
1305         (doloop_optimize_loops): Enable df_live if needed. 
1307 2016-01-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
1309         * config/rs6000/rs6000-builtin.def: Revert 2016-01-13 change.
1310         * gcc/config/rs6000/rs6000.c: Likewise.
1311         * gcc/config/rs6000/rs6000.h: Likewise.
1312         * gcc/config/rs6000/rs6000.md: Likewise.
1313         * gcc/doc/extend.texi: Likewsie.
1315 2016-01-14  Jeff Law  <law@redhat.com>
1317         * tree-ssa-dom.c (ssa_name_has_boolean_range): Fix comment
1318         typo.
1320 2016-01-14  Richard Henderson  <rth@redhat.com>
1322         PR c/69272
1323         PR tree-opt/68964
1324         * trans-mem.c (tm_log_emit_stmt): Fix unit size to bit size.
1325         * tree.c (build_tm_vector_builtins): Use builtin_decl_explicit_p
1326         instead of builtin_decl_declared_p to test for declaration.
1328 2016-01-14  Nicklas Bo Jensen  <nbjensen@gmail.com>
1330         * doc/loop.texi (Loop Analysis and Representation): Document
1331         loop_depth function.
1333 2016-01-14  Tom de Vries  <tom@codesourcery.com>
1335         PR tree-optimization/68773
1336         * omp-low.c (expand_omp_target): Don't set force_output.
1337         * varpool.c (varpool_node::get_create): Same.
1338         * lto-cgraph.c (input_offload_tables): Mark entries in offload_vars and
1339         offload_funcs with force_output.
1341 2016-01-14  Jakub Jelinek  <jakub@redhat.com>
1343         PR debug/69244
1344         * lra-eliminations.c (move_plus_up): Don't change anything if either
1345         the outer or inner subreg mode is not MODE_INT.
1346         * dwarf2out.c (mem_loc_descriptor): For SUBREG, if outer mode is
1347         integral <= DWARF2_ADDR_SIZE, convert to untyped afterwards.
1349 2016-01-14  Alan Lawrence  <alan.lawrence@arm.com>
1351         * doc/md.texi (reduc_smin_@var{m}, reduc_smax_@var{m},
1352         reduc_umin_@var{m}, reduc_umax_@var{m}, reduc_splus_@var{m},
1353         reduc_uplus_@var{m}): Remove.
1354         * expr.c (expand_expr_real_2): Remove expansion path for
1355         reduc_[us](min|max|plus) optabs.
1356         * optabs-tree.c (scalar_reduc_to_vector): Remove.
1357         * optabs-tree.h (scalar_reduc_to_vector): Remove.
1358         * optabs.def (reduc_smax_optab, reduc_smin_optab, reduc_splus_optab,
1359         reduc_umax_optab, reduc_umin_optab, reduc_uplus_optab): Remove.
1360         * tree-vect-loop.c (vectorizable_reduction): Remove test for
1361         reduc_[us](min|max|plus) optabs.
1363 2016-01-14  Alan Lawrence  <alan.lawrence@arm.com>
1365         * config/mips/mips-ps-3d.md (reduc_splus_v2sf): Remove.
1366         (reduc_plus_scal_v2sf): New.
1367         (reduc_smax_v2sf): Rename to...
1368         (reduc_smax_scal_v2sf): ...here, make result SFmode, add vec_extract.
1369         (reduc_smin_v2sf): Rename to...
1370         (reduc_smin_scal_v2sf): ...here, make result SFmode, add vec_extract.
1372 2016-01-14  Jan Hubicka  <hubicka@ucw.cz>
1374         * alias.c (compare_base_symbol_refs): New function.
1375         (rtx_equal_for_memref_p, base_alias_check, memrefs_conflict_p): Use
1376         it.
1378 2016-01-14  Jakub Jelinek  <jakub@redhat.com>
1380         PR middle-end/68146
1381         PR tree-optimization/69155
1382         * tree-complex.c: Include cfganal.h.
1383         (phis_to_revisit): New variable.
1384         (extract_component): Add phiarg_p argument.  Assert that returned
1385         SSA_NAME has non-NULL SSA_NAME_DEF_STMT unless phiarg_p is true.
1386         (update_phi_components): Partly rewrite to use loop over real/imag
1387         components instead of code duplication.  If extract_component returns
1388         SSA_NAME with NULL SSA_NAME_DEF_STMT, store SSA_NAME_VAR or
1389         create_tmp_reg into the PHI node instead, and mention the phi triplet
1390         in phis_to_revisit.
1391         (tree_lower_complex): Walk bbs in rpo order.  Adjust phis recorded
1392         in phis_to_revisit at the end.
1394 2016-01-14  Richard Biener  <rguenther@suse.de>
1396         PR tree-optimization/68060
1397         * tree-vect-loop.c (vect_is_simple_reduction): Check the
1398         outer loop reduction is only used in the inner loop before
1399         detecting a double reduction.
1401 2016-01-14  Jakub Jelinek  <jakub@redhat.com>
1403         PR target/68269
1404         * combine.c (expand_field_assignment): Punt if compute_mode is
1405         unsupported scalar mode.
1407 2016-01-14  Richard Biener  <rguenther@suse.de>
1409         PR tree-optimization/66856
1410         * tree-vect-slp.c (vect_build_slp_tree): Refactor to build
1411         SLP node only if it built successfully.
1412         (vect_analyze_slp_instance): Adjust.
1414 2016-01-14  Jeff Law  <law@redhat.com>
1416         PR tree-optimization/69270
1417         * tree-ssa-dom.c (ssa_name_has_boolean_range): New function.
1418         (record_edge_info): Use it.  Convert boolean_{true,false}_node
1419         to the type of op0.
1421 2016-01-13  Jan Hubicka  <hubicka@ucw.cz>
1423         PR ipa/66487
1424         * ipa-polymorphic-call.c (inlined_polymorphic_ctor_dtor_block_p):
1425         use block_ultimate_origin
1426         (noncall-stmt_may_be_vtbl_ptr_store): Likewise.
1428 2016-01-13  Sandra Loosemore <sandra@codesourcery.com>
1430         * doc/invoke.texi (Submodel Options): Rename section to
1431         "Machine-Dependent Options" to better reflect its content.
1432         Rewrite introductory text to remove archaic CPU names.
1433         Update references.
1435 2016-01-13  Sandra Loosemore <sandra@codesourcery.com>
1437         * doc/invoke.texi (Code Gen Options): Move section up in file,
1438         before target-specific options.  Update menu and option summary
1439         to reflect the new section ordering.
1441 2016-01-13  Jonathan Wakely  <jwakely@redhat.com>
1443         * doc/invoke.texi (C Dialect Options): Adjust -std default for C++.
1444         (C++ Dialect Options): Add cross-reference to -std option.
1445         * doc/standards.texi (C++ Language): Document C++14 support.
1447 2016-01-13  Michael Meissner  <meissner@linux.vnet.ibm.com>
1449         * config/rs6000/rs6000-builtin.def (BU_FLOAT128_2): Add support
1450         for pack/unpack functions for __ibm128.
1451         (PACK_IF): Likewise.
1452         (UNPACK_IF): Likewise.
1454         * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Add
1455         support for __ibm128 pack/unpack functions.
1456         (rs6000_invalid_builtin): Likewise.
1457         (rs6000_init_builtins): Likewise.
1458         (rs6000_opt_masks): Likewise.
1460         * config/rs6000/rs6000.h (MASK_FLOAT128): Add short name.
1461         (RS6000_BTM_FLOAT128): Add support for __ibm128 pack/unpack
1462         functions
1463         (RS6000_BTM_COMMON): Likewise.
1465         * config/rs6000/rs6000.md (f128_vsx): New mode attribute.
1466         (unpack<mode>): Use FMOVE128_FPR iterator instead of FMOVE128, to
1467         disallow __builtin_{pack,unpack}_longdouble if long double is IEEE
1468         128-bit floating point.  Add support for the double values to be
1469         in Altivec registers for TF/IF packing and unpacking, but restrict
1470         TD packing sub-fields to be FPR registers.  Don't allow overlapped
1471         register support for packing.  Allow pack inputs to be memory
1472         locations.  Don't build generator functions for unpack<mode>_dm
1473         and unpack<mode>_nodm.
1474         (unpack<mode>_dm): Likewise.
1475         (unpack<mode>_nodm): Likewise.
1476         (pack<mode>): Likewise.
1478         * config/rs6000/rs6000-builtin.def (__builtin_pack_ibm128): Add
1479         built-in functions to pack/unpack explicit __ibm128 values.
1480         (__builtin_unpack_ibm128): Likewise.
1482         * doc/extend.texi (PowerPC Built-in Functions): Document
1483         __builtin_pack_ibm128 and __builtin_unpack_ibm128.
1485 2016-01-13  Bernd Schmidt  <bschmidt@redhat.com>
1487         PR c/66208
1488         * c-common.c (check_function_nonnull): Remove unnecessary declaration.
1489         Add new arg loc and pass it down as context.
1490         (check_nonnull_arg): Don't mark ctx arg as unused. Use it as a pointer
1491         to the location to use for the warning.
1492         (check_function_arguments): New arg loc.  All callers changed.  Pass
1493         it to check_function_nonnull.
1494         * c-common.h (check_function_arguments): Adjust declaration.
1496 2016-01-13  Jakub Jelinek  <jakub@redhat.com>
1498         PR tree-optimization/69156
1499         * gimple.c (validate_type): Removed.
1500         (gimple_builtin_call_types_compatible_p): Use
1501         useless_type_conversion_p instead of validate_type.
1502         * value-prof.c (gimple_stringop_fixed_value): Fold
1503         icall_size to correct type.
1505 2016-01-13  Jonathan Wakely  <jwakely@redhat.com>
1507         * doc/extend.texi (__atomic Builtins): Clarify compare_exchange
1508         effects.
1510 2016-01-13  Richard Henderson  <rth@redhat.com>
1512         PR tree-opt/68964
1513         * target.def (builtin_tm_load, builtin_tm_store): Remove.
1514         * config/i386/i386.c (ix86_builtin_tm_load): Remove.
1515         (ix86_builtin_tm_store): Remove.
1516         (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
1517         (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
1518         * doc/tm.texi.in (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
1519         (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
1520         * doc/tm.texi: Rebuild.
1522         * gtm-builtins.def (BUILT_IN_TM_MEMCPY_RNWT): New.
1523         (BUILT_IN_TM_MEMCPY_RTWN): New.
1524         * trans-mem.c (tm_log_emit_stmt): Rearrange code for better
1525         fallback from vector to integer helpers.
1526         (build_tm_load): Handle vector types directly, instead of
1527         via target hook.
1528         (build_tm_store): Likewise.
1529         (expand_assign_tm): Prepare for register types not handled by
1530         the above.  Copy them to memory and use memcpy.
1531         * tree.c (tm_define_builtin): New.
1532         (find_tm_vector_type): New.
1533         (build_tm_vector_builtins): New.
1534         (build_common_builtin_nodes): Call it.
1536 2016-01-13  Uros Bizjak  <ubizjak@gmail.com>
1538         * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Return -1 for
1539         TARGET_SSE_MATH without TARGET_SSE2.  Rewrite.
1541 2016-01-13  Tom de Vries  <tom@codesourcery.com>
1543         PR tree-optimization/69169
1544         * tree-ssa-structalias.c (create_variable_info_for_1): Add and handle
1545         handled_struct_type param.
1546         (create_variable_info_for, intra_create_variable_infos): Call
1547         create_variable_info_for_1 with extra arg.
1549 2016-01-13  Yvan Roux  <yvan.roux@linaro.org>
1551         * config/arm/arm-arches.def: Remove spurious whitespace in "armv8.1-a"
1552         and "armv8.1-a+crc" entries.
1554 2016-01-13  Alexander Fomin  <alexander.fomin@intel.com>
1556         PR target/69228
1557         * config/i386/sse.md (define_expand "avx512pf_gatherpf<mode>sf"):
1558         Change first operand predicate from register_or_constm1_operand
1559         to register_operand.
1560         (define_expand "avx512pf_gatherpf<mode>df"): Likewise.
1561         (define_expand "avx512pf_scatterpf<mode>sf"): Likewise.
1562         (define_expand "avx512pf_scatterpf<mode>df"): Likewise.
1563         (define_insn "*avx512pf_gatherpf<mode>sf"): Remove.
1564         (define_insn "*avx512pf_gatherpf<mode>df"): Likewise.
1565         (define_insn "*avx512pf_scatterpf<mode>sf"): Likewise.
1566         (define_insn "*avx512pf_scatterpf<mode>df"): Likewise.
1567         * config/i386/i386.c (ix86_expand_builtin): Remove first operand
1568         comparison with constm1_rtx from vec_prefetch_gen part.
1570 2016-01-13  Richard Biener  <rguenther@suse.de>
1572         PR tree-optimization/69013
1573         * tree-ssa-uninit.c (prune_uninit_phi_opnds_in_unrealizable_paths):
1574         Exchange assert for a test.
1576 2016-01-13  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
1578         PR target/69247
1579         * config/s390/s390.md (bswaphi splitter): Use simplify_gen_subreg.
1581 2016-01-13  Richard Biener  <rguenther@suse.de>
1583         PR tree-optimization/69242
1584         * tree-ssa-sccvn.c (visit_reference_op_load): Replace bogus
1585         assert with a check.
1587 2016-01-13  Richard Biener  <rguenther@suse.de>
1589         PR tree-optimization/69186
1590         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
1591         Properly guard vect_update_misalignment_for_peel call.
1593 2016-01-12  Jeff Law  <law@redhat.com>
1595         PR tree-optimization/pr67755
1596         * tree-ssa-threadupdate.c (struct ssa_local_info_t): Add new field
1597         "need_profile_correction".
1598         (thread_block_1): Initialize new field to false by default.  If we
1599         have multiple thread paths through a common joiner to different
1600         final targets, then set new field to true.
1601         (compute_path_counts): Only do count adjustment when it's really
1602         needed.
1604 2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>
1606         * doc/invoke.texi (Spec Files): Move section down in file, past
1607         all command-line option descriptions.
1609 2016-01-12  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
1611         PR middle-end/54809
1612         * doc/gty.texi: Remove documentation of mark_hook.
1613         * gengtype.c (struct write_types_data): Remove code to support
1614         mark_hook attribute.
1615         (walk_type): Likewise.
1616         (write_func_for_structure): Likewise.
1618 2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>
1620         * doc/invoke.texi (Option Summary) Move -no-canonical-prefixes to
1621         Directory Options, and -specs= to Overall Options.
1622         (Overall Options): Adjust similarly.  Reorder to group related
1623         options together.  Make -specs= cross-reference the spec file details.
1624         (Directory Options): Adjust similarly.
1626 2016-01-12  Jeff Law  <law@redhat.com>
1628         * tree-ssa-threadupdate.c: Various whitespace and typo fixes.
1630 2016-01-12  Olivier Hainque  <hainque@adacore.com>
1632         * gcc.c (spec_undefvar_allowed): New global.
1633         (process_command): Set to true when running for --version or --help,
1634         alone or together.
1635         (getenv_spec_function): When the variable is not defined, use the
1636         variable name as the variable value if we're allowed not to issue
1637         a fatal error.
1639 2016-01-12  Bin Cheng  <bin.cheng@arm.com>
1641         PR tree-optimization/68911
1642         * tree-vrp.c (adjust_range_with_scev): Check overflow in range
1643         information computed for expression "init + nit * step".
1645 2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>
1647         * doc/invoke.texi (Invoking GCC): Copy-edit.  Incorporate information
1648         about name of GCC executable.  Remove deleted node from menu.
1649         (Directory Options) <-B>: Remove cross-reference to deleted node.
1650         (Target Options): Delete section.
1652 2016-01-12  Christian Bruel  <christian.bruel@st.com>
1654         PR target/69180
1655         * config/arm/arm-c.c (arm_pragma_target_parse): Set NODE_CONDITIONAL
1656         for __ARM_NEON_FP, __ARM_FP, _ARM_FEATURE_LDREX.
1658 2016-01-12  Jakub Jelinek  <jakub@redhat.com>
1660         PR target/69198
1661         * config/i386/i386.c (ix86_expand_special_args_builtin): Ensure
1662         aligned_mem is properly set for AVX512-VL floating point masked
1663         stores.
1665         PR target/69175
1666         * ifcvt.c (cond_exec_process_if_block): When removing the last
1667         insn from then_bb, remove also any possible barriers that follow it.
1669 2016-01-12  H.J. Lu  <hongjiu.lu@intel.com>
1671         PR target/68456
1672         PR target/69226
1673         * config/i386/iamcu.h (SIZE_TYPE): New macro.
1674         (PTRDIFF_TYPE): Likewise.
1675         (WCHAR_TYPE): Likewise.
1676         (WCHAR_TYPE_SIZE): Likewise.
1677         (STDINT_LONG32): Likewise.
1679 2016-01-12  Richard Biener  <rguenther@suse.de>
1681         PR tree-optimization/69053
1682         * tree-vect-loop.c (get_initial_def_for_reduction): Properly
1683         convert initial value for cond reductions.
1685 2016-01-12  Richard Biener  <rguenther@suse.de>
1687         PR tree-optimization/69007
1688         * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Move
1689         widen_sum after dot_prod and sad.
1691 2016-01-12  Richard Biener  <rguenther@suse.de>
1693         PR tree-optimization/69168
1694         * tree-vect-loop.c (vect_analyze_loop_2): Reset both main and
1695         pattern stmt SLP type.
1696         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Patterns may
1697         end up unused so cope with that case.
1699 2016-01-12  Richard Biener  <rguenther@suse.de>
1701         PR tree-optimization/69157
1702         * tree-vect-stmts.c (vectorizable_mask_load_store): Check
1703         stmts def type only during analyze phase.
1704         (vectorizable_call): Likewise.
1705         (vectorizable_simd_clone_call): Likewise.
1706         (vectorizable_conversion): Likewise.
1707         (vectorizable_assignment): Likewise.
1708         (vectorizable_shift): Likewise.
1709         (vectorizable_operation): Likewise.
1710         (vectorizable_store): Likewise.
1711         (vectorizable_load): Likewise.
1713 2016-01-12  Richard Biener  <rguenther@suse.de>
1715         PR tree-optimization/69174
1716         * tree-vect-stmts.c (vect_mark_relevant): Remove excessive vertical
1717         space.
1718         (vectorizable_load): Properly compute the number of loads needed
1719         for permuted strided SLP loads and do not spuriously assign
1720         to SLP_TREE_VEC_STMTS.
1722 2016-01-12  Andris Pavenis  <andris.pavenis@iki.fi>
1724         * config/i386/djgpp.h (PREFERRED_DEBUGGING_TYPE): Define to DWARF2
1725         (TARGET_ASM_OUTPUT_IDENT): Define to default_asm_output_ident_directive
1726         (MD_EXEC_PREFIX): Remove.
1727         (MD_STARTFILE_PREFIX) Removee.
1728         (FILE_NAME_ABSOLUTE_P): Remove.
1729         (CPP_SPEC): Do not read macros from sys/version.h.
1730         (LINK_COMMAND_SPEC): Remove.
1731         (LOCAL_INCLUDE_DIR): Remove.
1732         (TARGET_ASM_NAMED_SECTION): Define to i386_djgpp_asm_named_section
1733         (TARGET_OS_CPP_BUILTINS): Add DJGPP (non ISO only), __DJGPP, __DJGPP__, unix.
1734         (POST_LINK_SPEC): Define to invoke stubify after linker
1735         (LIBSTDCXX): Remove define
1736         (DBX_REGISTER_NUMBER): Define to svr4_dbx_register_map.
1737         (DEFAULT_PCC_STRUCT_RETURN): Define to 1.
1738         (SUBTARGET_OVERRIDE_OPTIONS): Remove warning about -mbnu2210.
1739         (SUBTARGET_OVERRIDE_OPTIONS): Ignore -fPIC and generate message.
1740         (SUBTARGET_OVERRIDE_OPTIONS): Default to DWARF2 debugging info.
1741         (IX86_MAYBE_NO_LIBGCC_TFMODE): Remove.
1742         (i386_djgpp_asm_named_section): Add propotype of new procedure
1744         * config/i386/xm-djgpp.h (NATIVE_SYSTEM_HEADER_DIR): Define.
1745         (MD_EXEC_PREFIX): Define (moved from config/i386/djgpp.h).
1746         (STANDARD_STARTFILE_PREFIX_1): Define (moved from MD_STARTFILE_PREFIX in config/i386/djgpp.h).
1747         (STANDARD_STARTFILE_PREFIX_2): Define identical to STANDARD_STARTFILE_PREFIX_1.
1748         (LOCAL_INCLUDE_DIR): Define (moved from config/i386/djgpp.h).
1749         (GCC_DRIVER_HOST_INITIALIZATION): Fix reporting fatal installation errors.
1750         (MAX_OFILE_ALIGNMENT): Define to 128.
1751         (HAVE_FTW_H): Undefine as DJGPP do not have nftw, but have ftw.h.
1753         * config/i386/djgpp.c: New file. Add implementation of i386_djgpp_asm_named_section.
1755         * config/i386/djgpp.opt: Remove obsolete option -mbnu210.
1757         * config/i386/t-djgpp: New file. Add djgpp.o to EXTRA_OBJS.
1758         Add rule for building djgpp.o.
1760 2016-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1762         * config/rs6000/rs6000.c (v2df_reduction_p): New function.
1763         (rtx_is_swappable_p): Reductions are swappable.
1764         (insn_is_swappable_p): V2DF reductions are swappable.
1766 2016-01-11  John David Anglin  <danglin@gcc.gnu.org>
1768         * config/pa/pa.c (pa_emit_move_sequence): Handle floating point
1769         reloads for other unsupported memory operands.
1771 2016-01-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
1772             Jim Wilson  <jim.wilson@linaro.org>
1774         PR target/69194
1775         * config/arm/arm-builtins.c (arm_expand_neon_args): Call
1776         copy_to_mode_reg instead of force_reg.
1778 2016-01-11  H.J. Lu  <hongjiu.lu@intel.com>
1780         PR target/69225
1781         * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Set to 2 only if
1782         TARGET_80387 is true.
1784 2016-01-11  Jakub Jelinek  <jakub@redhat.com>
1786         PR target/69071
1787         * lra-eliminations.c (move_plus_up): Only move plus up
1788         if subreg of the constant can be simplified into constant
1789         and use the simplified subreg of the constant instead of
1790         the original constant.
1792         * fold-const.c (fold_convertible_p): Don't return true
1793         for conversion of VECTOR_TYPE to same sized integral type.
1794         (fold_convert_loc): Fix up formatting.  Fold conversion of
1795         VECTOR_TYPE to same sized integral type using VIEW_CONVERT_EXPR
1796         instead of NOP_EXPR.
1798         PR tree-optimization/69214
1799         * tree-vrp.c (simplify_cond_using_ranges): Don't propagate
1800         innerop into a comparison if SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
1801         Formatting fix.
1803         PR tree-optimization/69207
1804         * tree-vect-slp.c (vect_get_constant_vectors): For
1805         VECTOR_BOOLEAN_TYPE_P, assert op has integral type instead of
1806         fold_convertible_p to vector_type's element type, and always
1807         use VCE for non-VECTOR_BOOLEAN_TYPE_P.
1809 2016-01-11  Richard Biener  <rguenther@suse.de>
1811         PR tree-optimization/69173
1812         * tree-vect-loop.c (vect_fixup_scalar_cycles_with_patterns): Only
1813         fixup the cycle if all stmts are in a pattern.
1815 2016-01-11  Uros Bizjak  <ubizjak@gmail.com>
1817         PR middle-end/68999
1818         * alias.c (base_alias_check): Move check for addresses with
1819         alignment ANDs before the call for compare_base_decls.
1820         (memrefs_conflict_p): Return -1 for different decls
1821         that went through alignment adjustments.
1823 2016-01-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1825         PR rtl-optimization/68796
1826         * config/aarch64/aarch64.md (*and<mode>_compare0): New pattern.
1827         * config/aarch64/aarch64.c (aarch64_select_cc_mode): Handle HImode
1828         and QImode comparisons against zero with CC_NZmode.
1829         * config/aarch64/iterators.md (short_mask): New mode_attr.
1831 2016-01-11  H.J. Lu  <hongjiu.lu@intel.com>
1833         * config/i386/sse.md (<avx512>_load<mode>_mask): Remove snprintf.
1834         (<avx512>_store<mode>_mask): Likewise.
1836 2016-01-11  Bernd Schmidt  <bschmidt@redhat.com>
1837             Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1839         PR rtl-optimization/68841
1840         * ifcvt.c (struct noce_if_info): Add orig_x field.
1841         (bbs_ok_for_cmove_arith): Add to_rename parameter.
1842         Don't record conflicts on to_rename if it's present.
1843         Allow memory destinations in sets.
1844         (noce_try_cmove_arith): Call bbs_ok_for_cmove_arith even on simple
1845         blocks, passing orig_x to the checks.
1846         (noce_process_if_block): Set if_info->orig_x appropriately.
1848 2016-01-11  Tom de Vries  <tom@codesourcery.com>
1850         PR tree-optimization/69069
1851         * tree-parloops.c (create_parallel_loop): Add missing phi args.
1853 2016-01-11  Yuri Rumyantsev  <ysrumyan@gmail.com>
1855         PR rtl-optimization/68920
1856         * config/i386/i386.c (ix86_option_override_internal): Restrict number
1857         of conditional moves for  RTL if-conversion to 1 for
1858         TARGET_ONE_IF_CONV_INSN.
1859         * config/i386/i386.h (TARGET_ONE_IF_CONV_INSN): New macros.
1860         * config/i386/x86-tune.def (X86_TUNE_ONE_IF_CONV_INSN): New macros.
1861         * params.def (PARAM_MAX_RTL_IF_CONVERSION_INSNS) : Introduce new
1862         parameter to restirct number of conditional moves for
1863         RTL if-conversion.
1864         * doc/invoke.texi (max-rtl-if-conversion-insns): Document it.
1865         * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Limit number of
1866         conditionl moves.
1868 2016-01-11  Alexandre Oliva  <aoliva@redhat.com>
1870         PR bootstrap/69123
1871         * var-tracking.c (drop_overlapping_mem_locs): Operate on all
1872         onepart vars.  Fix typo in comment.  Fix reversed condition in
1873         unshare test.
1874         (dataflow_set_remove_mem_locs): Operate on all onepart vars.
1876         PR bootstrap/69123
1877         * var-tracking.c (dump_onepart_variable_differences): New.
1878         (dataflow_set_different): If a detailed dump is requested,
1879         delay early returns and dump differences between onepart
1880         variables present before and after, and added variables.
1882 2016-01-11  Ilya Enkovich  <enkovich.gnu@gmail.com>
1884         PR target/69010
1885         * expr.c (expand_expr_real_1): For boolean vector constants
1886         with a scalar mode use const_scalar_mask_from_tree.
1887         (const_scalar_mask_from_tree): New.
1888         * optabs.c (expand_vec_cond_mask_expr): Use mask mode
1889         assigned to a mask type to handle constants.
1891 2016-01-11  Martin Jambor  <mjambor@suse.cz>
1893         PR ipa/69044
1894         * ipa-cp.c (estimate_local_effects): Do not clone for removal of
1895         useless parameters if we cannot change function signature.
1897 2016-01-11  Martin Jambor  <mjambor@suse.cz>
1899         PR ipa/66616
1900         * cgraphclones.c (duplicate_thunk_for_node): Copy can_change_signature
1901         flag.
1903 2016-01-11  Tom de Vries  <tom@codesourcery.com>
1905         PR tree-optimization/69109
1906         * tree-parloops.c (try_transform_to_exit_first_loop_alt): Don't allow
1907         latch with phi.
1909 2016-01-11  Tom de Vries  <tom@codesourcery.com>
1911         PR tree-optimization/69108
1912         * tree-parloops.c (gather_scalar_reductions): Handle case that outer phi
1913         res is not used in a phi.
1915 2016-01-11  Yury Gribov  <y.gribov@samsung.com>
1917         PR 67425
1918         * common.opt (frandom-seed): Fix parameter name.
1919         * doc/invoke.texi (frandom-seed): Ditto and describe parameter.
1921 2016-01-11  Tom de Vries  <tom@codesourcery.com>
1923         PR tree-optimization/69058
1924         * tree-parloops.c (pass_parallelize_loops::execute): Return 0 if libgomp
1925         not supported.
1927 2016-01-11  Andrew Burgess  <andrew.burgess@embecosm.com>
1929         * config/arc/arc.opt (mdiv-rem): Add period to the end.
1930         (mcode-density): Likewise.
1932 2016-01-10  Tom de Vries  <tom@codesourcery.com>
1934         PR tree-optimization/69062
1935         * tree-parloops.c (loop_has_phi_with_address_arg): New function.
1936         (parallelize_loops): Don't paralelize loop that has phi with address
1937         arg.
1939 2016-01-10  Tom de Vries  <tom@codesourcery.com>
1941         PR tree-optimization/69039
1942         * tree-parloops.c (try_create_reduction_list): Only allow single exit
1943         phi for reduction.
1945 2016-01-09  John David Anglin  <danglin@gcc.gnu.org>
1947         PR middle-end/68743
1948         * match.pd: Require target has function_c99_misc before doing
1949         truncl(extend(x)) and trunc(extend(x)) -> extend(truncf(x)), etc.
1950         
1951 2016-01-09  Gerald Pfeifer  <gerald@pfeifer.com>
1953         * configure.ac (isl_options_set_schedule_serialize_sccs): Also 
1954         use GMPINC.
1955         * configure: Regenerate.
1957 2016-01-09  Jakub Jelinek  <jakub@redhat.com>
1959         PR middle-end/50865
1960         PR tree-optimization/69097
1961         * fold-const.h (expr_not_equal_to): New prototype.
1962         * fold-const.c: Include stringpool.h and tree-ssanames.h.
1963         (expr_not_equal_to): New function.
1964         * match.pd (X % -Y is the same as X % Y): Don't optimize
1965         unless X is known not to be equal to minimum or Y is known
1966         not to be equal to -1.
1967         * tree-vrp.c (simplify_div_or_mod_using_ranges): Add GSI argument.
1968         fold TRUNC_MOD_EXPR if the second argument is not a power of two.
1969         (simplify_stmt_using_ranges): Adjust caller.
1970         (vrp_finalize): Call set_value_range on SSA_NAMEs before calling
1971         substitute_and_fold.
1973 2016-01-09  Jan Hubicka  <hubicka@ucw.cz>
1975         * ipa-icf.c (sem_item_optimizer::merge_classes): Do not ICE on VAR_DECL
1976         w/o DECL_NAME.
1978 2016-01-08  Jakub Jelinek  <jakub@redhat.com>
1980         PR tree-optimization/69167
1981         * gimple-fold.c (replace_stmt_with_simplification): Also punt if
1982         new SSA_NAME_OCCURS_IN_ABNORMAL_PHI SSA_NAMEs appear in operands of
1983         ops[0] comparison.
1984         * gimple-match-head.c (maybe_push_res_to_seq): Likewise.
1986 2016-01-08  Alan Lawrence  <alan.lawrence@arm.com>
1987             Richard Biener  <rguenther@suse.de>
1989         PR tree-optimization/68707
1990         * tree-vect-slp.c (vect_analyze_slp_instance): Cancel permuted SLP
1991         instances that can be handled via vect_load_lanes.
1993 2016-01-08  Uros Bizjak  <ubizjak@gmail.com>
1995         * symtab.c (symtab_node::equal_address_to): Return -1 instead of 2
1996         if we can't determine address equivalence.
1997         * alias.c (compare_base_decl): Update for changed return value of
1998         symtab_node::equal_address_to.
2000 2016-01-08  Jason Merrill  <jason@redhat.com>
2002         PR c++/68983
2003         PR c++/67557
2004         * function.c (assign_temp): Guard against TREE_ADDRESSABLE types here.
2005         * expr.c (store_field): Not here.
2006         * tree-cfgcleanup.c (fixup_noreturn_call): Don't clear LHS of a
2007         call with TREE_ADDRESSABLE type.
2008         * tree-cfg.c (verify_gimple_call): Adjust.
2010 2016-01-08  Olivier Hainque  <hainque@adacore.com>
2012         * config/vxworks.h (VXWORKS_LIBGCC_SPEC): Don't link shared RTPs with
2013         libc_internal.
2015 2016-01-08  Alan Lawrence  <alan.lawrence@arm.com>
2017         * gcc.target/rs6000/paired.md (reduc_smax_v2sf): Rename to...
2018         (reduc_smax_scal_v2sf): ...here, make result SFmode, extract element.
2019         (reduc_smin_v2sf): Rename to...
2020         (reduc_smin_scal_v2sf): ...here, make result SFmode, extract element.
2021         (reduc_splus_v2sf): Rename to...
2022         (reduc_plus_scal_v2sf): ...here, make result SFmode, extract element.
2024 2016-01-08  Jakub Jelinek  <jakub@redhat.com>
2026         PR tree-optimization/69162
2027         * gimplify.c (gimplify_va_arg_expr): Encode original type of
2028         valist argument in another argument.
2029         (gimplify_modify_expr): Adjust for the above change.  Cleanup.
2030         * tree-stdarg.c (expand_ifn_va_arg_1): Use new 3rd argument
2031         to determine the va_list type, build a MEM_REF instead of
2032         build_fold_indirect_ref.
2034         PR tree-optimization/69172
2035         * gimple-fold.c (gimple_fold_builtin_memory_chk): Pass type to
2036         gimple_build.
2038 2016-01-08  Thomas Preud'homme  <thomas.preudhomme@arm.com>
2040         PR tree-optimization/67781
2041         * tree-ssa-math-opts.c (find_bswap_or_nop): Zero out bytes in cmpxchg
2042         and cmpnop in two steps: first the ones not accessed in original
2043         gimple expression in a endian independent way and then the ones not
2044         accessed in the final result in an endian-specific way.
2046 2016-01-08  Jakub Jelinek  <jakub@redhat.com>
2048         PR tree-optimization/69083
2049         * tree-vect-slp.c (vect_get_constant_vectors): For
2050         VECTOR_BOOLEAN_TYPE_P assert op is fold_convertible_p to vector_type's
2051         element type.  If op is fold_convertible_p to vector_type's element
2052         type, use NOP_EXPR instead of VCE.
2054 2016-01-08  Segher Boessenkool  <segher@kernel.crashing.org>
2056         PR rtl-optimization/67778
2057         PR rtl-optimization/68634
2058         PR rtl-optimization/68909
2059         * shrink-wrap.c (try_shrink_wrapping): Add comment.  Don't pop
2060         block from the stack until done with it.  Remove a superfluous
2061         bitmap set.  Remove a superfluous bitmap test.
2063 2016-01-07  Martin Sebor  <msebor@redhat.com>
2065         PR c/68966
2066         * doc/extend.texi (__atomic Builtins, __sync Builtins): Document
2067         constraint on the type of arguments.
2069 2016-01-07  Andreas Tobler  <andreast@gcc.gnu.org>
2071         * config/arm/freebsd.h: Rename SUBTARGET_OVERRIDE_OPTIONS to
2072         SUBTARGET_OVERRIDE_INTERNAL_OPTIONS. Adjust to check
2073         unaligned_access on the gcc_options set.
2074         * config/arm/arm.c (arm_option_override_internal): Use
2075         SUBTARGET_OVERRIDE_INTERNAL_OPTIONS.
2077 2016-01-07  Uros Bizjak  <ubizjak@gmail.com>
2079         PR target/69140
2080         * config/i386/i386.c (ix86_frame_pointer_required): Enable
2081         frame pointer for TARGET_64BIT_MS_ABI when stack is misaligned.
2083 2016-01-07  Uros Bizjak  <ubizjak@gmail.com>
2085         Revert
2086         2016-01-06  Uros Bizjak  <ubizjak@gmail.com>
2088         PR target/69140
2089         * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
2090         depending on frame_pointer_needed before remaining integer and SSE
2091         registers are saved.
2093 2016-01-07  Sandra Loosemore  <sandra@codesourcery.com>
2095         PR 1078
2096         * doc/extend.texi (Nvidia PDX Function Attributes): New section.
2098 2016-01-07  H.J. Lu  <hongjiu.lu@intel.com>
2100         PR target/69171
2101         * config/i386/sse.md (<sse>_sqrt<mode>2<mask_name><round_name>):
2102         Use the "xBm" constraint.
2103         (float<sseintvecmodelower><mode>2<mask_name><round_name):
2104         Likewise.
2105         (sse_cvtsi2ss<round_name>): Use round_nimm_scalar_predicate.
2106         (sse_cvtsi2ssq<round_name>): Likewise.
2107         (sse_cvtss2si<round_name>): Likewise.
2108         (sse_cvtss2siq<round_name>): Likewise.
2109         (sse2_cvtsi2sdq<round_name>): Likewise.
2110         (sse2_cvtsd2si<round_name>): Likewise.
2111         (sse2_cvtsd2siq<round_name>): Likewise.
2112         * config/i386/subst.md (round_nimm_scalar_predicate): New
2113         predicate.
2115 2015-12-15  Bernd Schmidt  <bschmidt@redhat.com>
2117         PR middle-end/67639
2118         * varasm.c (make_decl_rtl): Mark invalid register vars as
2119         DECL_EXTERNAL.
2121         PR rtl-optimization/66206
2122         * bt-load.c (find_btr_use): Change first arg to be a pointer to an rtx.
2123         All callers changed.
2125 2016-01-07  Jakub Jelinek  <jakub@redhat.com>
2127         PR tree-optimization/69141
2128         * tree-ssa-pre.c: Include langhooks.h.
2129         (eliminate_dom_walker::before_dom_children): Use
2130         lang_hooks.decl_printable_name instead of
2131         cgraph_node::get ()->name ().
2133         PR middle-end/68960
2134         * gimple-expr.c (copy_var_decl): If var has DECL_USER_ALIGN set, copy
2135         it and DECL_ALIGN too.
2137 2016-01-06  Robert Suchanek  <robert.suchanek@imgtec.com>
2139         * config/mips/mips-ftypes.def: Sort to lexicographical order.
2141 2016-01-06  Uros Bizjak  <ubizjak@gmail.com>
2143         PR target/69140
2144         * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
2145         depending on frame_pointer_needed before remaining integer and SSE
2146         registers are saved.
2148 2015-01-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2150         * config/rs6000/vsx.md (*p9_vecload_<mode>): Replace VSX_M
2151         mode iterator with VSX_M2.
2152         (*p9_vecstore_<mode>): Likewise.
2153         (*vsx_le_permute_<mode>): Restrict to !TARGET_P9_VECTOR.
2154         (*vsx_le_perm_load_<mode> for VSX_LE_128): Likewise.
2155         (*vsx_le_perm_store_<mode> for VSX_LE_128): Likewise.
2156         (define_split for VSX_LE128 stores): Likewise.
2157         (define_peephole2 for TImode LE swaps): Likewise.
2158         (define_split for VSX_LE128 post-reload stores): Likewise.
2160 2016-01-06  Marek Polacek  <polacek@redhat.com>
2162         PR sanitizer/69099
2163         * convert.c (convert_to_integer_1): Adjust call to
2164         ubsan_instrument_float_cast.  Use NULL_TREE instead of NULL.
2165         * ubsan.c (ubsan_instrument_float_cast): Drop the ARG parameter.  Use
2166         EXPR instead of ARG.
2167         * ubsan.h (ubsan_instrument_float_cast): Adjust declaration.
2169 2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>
2171         PR 1078
2172         * doc/extend.texi (RL78 Variable Attributes): New section.
2174 2016-01-05  Marek Polacek  <polacek@redhat.com>
2176         PR c/69104
2177         * builtins.c (get_memmodel): Use expansion point location rather than
2178         the input location.  Call warning_at rather than warning.
2179         (expand_builtin_atomic_compare_exchange): Likewise.
2180         (expand_builtin_atomic_load): Likewise.
2181         (expand_builtin_atomic_store): Likewise.
2182         (expand_builtin_atomic_clear): Likewise.
2184 2016-01-05  H.J. Lu  <hongjiu.lu@intel.com>
2186         PR target/68991
2187         * config/i386/i386.c (ix86_expand_vector_logical_operator):
2188         Replace nonimmediate_operand with vector_operand.
2189         * config/i386/predicates.md (vector_operand): New predicate.
2190         (general_vector_operand): Replace nonimmediate_operand with
2191         vector_operand.
2192         * config/i386/sse.md: Replace nonimmediate_operand with
2193         vector_operand and m constraint with Bm constraint on SSE
2194         patterns with 16-byte memory operand.
2195         * config/i386/subst.md (round_nimm_predicate): Replace
2196         nonimmediate_operand with vector_operand.
2197         (round_saeonly_nimm_predicate): Likewise.
2198         (round_saeonly_nimm_scalar_predicate): New.
2200 2016-01-05  H.J. Lu  <hongjiu.lu@intel.com>
2202         PR target/68991
2203         * config/i386/constraints.md (Bm): New constraint.
2204         * config/i386/predicates.md (vector_memory_operand): New
2205         predicate.
2206         * config/i386/sse.md: Replace xm with xBm in plusminus and
2207         any_logic patterns.
2209 2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>
2211         PR 1078
2212         * doc/extend.texi (V850 Function Attributes): New section.
2213         (V850 Variable Attributes): New section.
2215 2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>
2217         PR 1078
2218         * doc/extend.texi (MicroBlaze Function Attributes): Document
2219         interrupt_handler and fast_interrupt attributes.
2221 2016-01-05  Sergei Trofimovich  <siarheit@google.com>
2223         PR other/60465
2224         * config/ia64/ia64.c (ia64_expand_load_address): Use gprel64
2225         for local symbolic operands.
2226         * config/ia64/predicates.md (local_symbolic_operand64): New
2227         predicate.
2229 2016-01-05  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2231         PR rtl-optimization/68651
2232         * combine.c (combine_simplify_rtx): Canonicalize x + x into
2233         x << 1.
2235 2016-01-05  Nathan Sidwell  <nathan@acm.org>
2237         * alias.c (compare_base_decls): Use symtab_node::get.
2239 2016-01-05  Nick Clifton  <nickc@redhat.com>
2241         PR target/68770
2242         * ira-costs.c (copy_cost): Initialise the t_icode field of the
2243         secondary_reload_info structure.
2245         PR target/66655
2246         * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Define to use weak
2247         decls if weak support is available.
2249 2016-01-04  Martin Sebor  <msebor@redhat.com>
2251         * doc/invoke.texi (Warning Options): Document -Winvalid-memory-model.
2253 2016-01-04  Michael Meissner  <meissner@linux.vnet.ibm.com>
2255         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Add
2256         OPTION_MASK_P9_DFORM.
2258         * config/rs6000/constraints.md (wo constraint): New constraint for
2259         ISA 3.0 (power9).
2261         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Add support
2262         for wo constraint.
2263         (rs6000_init_hard_regno_mode_ok): Likewise.
2265         * config/rs6000/rs6000.h (r6000_reg_class_enum): Add support for
2266         wo constraint.
2268         * config/rs6000/altivec.md (altivec_vperm_<mode>): Clean up vperm
2269         expanders not to have constraints.  Add support for ISA 3.0 xxperm
2270         instruction.  Add support for fusing xxlor with xxperm.
2271         (altivec_vperm_<mode>_internal): Likewise.
2272         (altivec_vperm_v8hiv16qi): Likewise.
2273         (altivec_vperm_<mode>v16q): Likewise.
2274         (altivec_vperm_<mode>_uns): Likewise.
2275         (vperm_v8hiv4si): Likewise.
2276         (vperm_v16qiv8hi): Likewise.
2278         * doc/md.texi (RS/6000 constraints): Document wo constraint.
2280 2016-01-04  Jakub Jelinek  <jakub@redhat.com>
2282         Update copyright years.
2284         * gcc.c (process_command): Update copyright notice dates.
2285         * gcov-dump.c (print_version): Ditto.
2286         * gcov.c (print_version): Ditto.
2287         * gcov-tool.c (print_version): Ditto.
2288         * gengtype.c (create_file): Ditto.
2289         * doc/cpp.texi: Bump @copying's copyright year.
2290         * doc/cppinternals.texi: Ditto.
2291         * doc/gcc.texi: Ditto.
2292         * doc/gccint.texi: Ditto.
2293         * doc/gcov.texi: Ditto.
2294         * doc/install.texi: Ditto.
2295         * doc/invoke.texi: Ditto.
2297 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
2299         * config/arm/arm.c (aapcs_vfp_allocate_return_reg): Treat all integer
2300         modes larger than TImode as TImode if NEON is not enabled.
2302 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
2304         PR target/69100
2305         * config/sparc/sparc.h (FUNCTION_ARG_REGNO_P): Return true in 64-bit
2306         mode for %f0-%f31 only if TARGET_FPU.
2308 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
2310         PR target/69072
2311         * config/sparc/sparc.c (scan_record_type): Take into account subfields
2312         to compute the PACKED_P predicate.
2313         (function_arg_record_value): Minor tweaks.
2315 2016-01-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
2317         * doc/install.texi (--with-multilib-list): Describe the meaning of the
2318         option for arm*-*-* targets.
2320 2016-01-03  Sandra Loosemore  <sandra@codesourcery.com>
2322         * doc/extend.texi (Common Function Attributes): Move docs for
2323         MSP430-specific attributes to....
2324         (MSP430 Function Attributes): ...here.  Delete the redundant
2325         entries and copy-edit the remaining text.
2326         (MSP430 Variable Attributes): Use uniform format for index
2327         entries and add a cross-reference to the corresponding function
2328         attribute docs.
2330 2016-01-03  Vladimír Čunát  <vcunat@gmail.com>
2332         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix
2333         -finite-math typo.
2334         (x86 Options): Likewise.
2336 2016-01-01  Sandra Loosemore  <sandra@codesourcery.com>
2338         PR 1078
2340         * extend.texi (Common Function Attributes) <no_stack_limit>: New.
2341         * invoke.texi (Code Gen Options) <-fno-stack-limit>: Add pointer
2342         to corresponding attribute.
2344 2016-01-01  Sandra Loosemore  <sandra@codesourcery.com>
2346         * doc/extend.texi (Common Function Attributes) <noplt>: Move
2347         to correct alphabetization of table.  Copy-edit and correct
2348         markup.
2349         <stack_protect>: Likewise.
2350         <target_clones>: Likewise.
2351         <simd>: Likewise.
2352         * doc/invoke.texi (Optimize Options) <-fstack-protector-explicit>:
2353         Correct punctuation.
2354         (Code Gen Options) <-fno-plt>: Copy-edit.
2356 2016-01-01  Bernd Edlinger  <bernd.edlinger@hotmail.de>
2358         PR target/68917
2359         * config/tilegx/tilegx.md (clzsi2): Don't create DI subregs of
2360         SI values.  Explicitly convert SI to DI and vice-versa.
2362 2016-01-01  Jakub Jelinek  <jakub@redhat.com>
2364         PR tree-optimization/69070
2365         * tree-ssa-math-opts.c (gimple_expand_builtin_pow): Only test
2366         REAL_VALUE_ISSIGNALING_NAN on arg0 if arg0 is a REAL_CST.
2368         PR sanitizer/69055
2369         * ubsan.c (ubsan_instrument_float_cast): Call
2370         initialize_sanitizer_builtins.
2372         PR target/69015
2373         * ifcvt.c (find_cond_trap): Give up if returnjump_p (jump).
2375 Copyright (C) 2016 Free Software Foundation, Inc.
2377 Copying and distribution of this file, with or without modification,
2378 are permitted in any medium without royalty provided the copyright
2379 notice and this notice are preserved.