Avoid including all of <random> in <algorithm>
[official-gcc.git] / gcc / ChangeLog
blob6d51578ae078f7972479ac1edd108554c5933c70
1 2016-01-25  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3         * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled):  Add
4         decl with __attribute__ ((unused)) annotation.
6 2016-01-25  Ilya Enkovich  <enkovich.gnu@gmail.com>
8         PR target/69421
9         * tree-vect-stmts.c (vectorizable_condition): Check vectype
10         of operands is compatible with a statement vectype.
12 2016-01-25  Eric Botcazou  <ebotcazou@adacore.com>
14         * doc/extend.texi (scalar_storage_order type attribute): Fix typo and
15         improve wording for mixed storage order support.
17 2016-01-25  Bilyan Borisov  <bilyan.borisov@arm.com>
19         * config/aarch64/arm_neon.h (vcvt_s64_f64): New intrinsic.
20         (vcvt_u64_f64): Likewise.
21         (vcvta_s64_f64): Likewise.
22         (vcvta_u64_f64): Likewise.
23         (vcvtm_s64_f64): Likewise.
24         (vcvtm_u64_f64): Likewise.
25         (vcvtn_s64_f64): Likewise.
26         (vcvtn_u64_f64): Likewise.
27         (vcvtp_s64_f64): Likewise.
28         (vcvtp_u64_f64): Likewise.
30 2016-01-25  Claudiu Zissulescu  <claziss@synopsys.com>
32         * config/arc/arc.c (TARGET_DWARF_REGISTER_SPAN): Define.
33         (arc_init): Check validity mll64 option.
34         (arc_save_restore): Use double load/store instruction.
35         (arc_expand_movmem): Likewise.
36         (arc_split_move): Don't split if we have double load/store
37         instructions. Returns a boolean.
38         (arc_process_double_reg_moves): Change function to return boolean
39         instead of a sequence of instructions.
40         (arc_dwarf_register_span): New function.
41         * config/arc/arc-protos.h (arc_split_move): Change prototype.
42         * config/arc/arc.h (TARGET_CPU_CPP_BUILTINS): Define __ARC_LL64__.
43         * config/arc/arc.md (*movdi_insn): Emit ldd/std instructions.
44         (*movdf_insn): Likewise.
45         * config/arc/arc.opt (mll64): New option.
46         * config/arc/predicates.md (even_register_operand): New predicate.
47         * doc/invoke.texi (ARC Options): Add mll64 documentation.
49 2016-01-25  Richard Biener  <rguenther@suse.de>
51         PR lto/69393
52         * dwarf2out.c (is_naming_typedef_decl): Not when DECL_NAMELESS.
53         * tree-streamer-out.c (pack_ts_base_value_fields): Stream
54         DECL_NAMELESS.
55         * tree-streamer-in.c (unpack_ts_base_value_fields): Likewise.
57 2016-01-25  Richard Biener  <rguenther@suse.de>
59         PR tree-optimization/69376
60         * tree-ssa-sccvn.h (struct vn_ssa_aux): Add range_info_anti_range_p
61         flag.
62         (VN_INFO_ANTI_RANGE_P): New inline.
63         (VN_INFO_RANGE_TYPE): Likewise.
64         * tree-ssa-sccvn.c (set_ssa_val_to): Also record and copy
65         SSA_NAME_ANTI_RANGE_P.
66         (free_scc_vn): Restore SSA_NAME_ANTI_RANGE_P.
67         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
68         Properly query VN_INFO_RANGE_TYPE.
70 2016-01-25  Nick Clifton  <nickc@redhat.com>
72         PR target/66655
73         * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Remove definition.
75 2016-01-23  Tom de Vries  <tom@codesourcery.com>
77         PR tree-optimization/69426
78         * tree-parloops.c (eliminate_local_variables_stmt): Handle vdef of
79         removed clobber.
81 2016-01-23  Jakub Jelinek  <jakub@redhat.com>
83         * tree-ssanames.c (release_free_names_and_compact_live_names): Replace
84         "the the" with "the" in the comments.
85         * ipa-devirt.c (build_type_inheritance_graph,
86         update_type_inheritance_graph): Likewise.
87         * tree.c (build_function_type_list_1): Likewise.
88         * cfgloopmanip.c (scale_loop_profile): Likewise.
89         * tree-ssa-loop-ivopts.c (get_shiftadd_cost): Likewise.
90         * gimple-ssa-split-paths.c
91         (find_block_to_duplicate_for_splitting_paths): Likewise.
92         * tree-sra.c (init_subtree_with_zero, clobber_subtree): Likewise.
93         * expr.c (convert_move): Likewise.
94         * var-tracking.c (vt_stack_adjustments): Likewise.
95         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Likewise.
96         * tree-vrp.c (test_for_singularity): Likewise.
98         * tree-vect-stmts.c (vectorizable_condition): Build a VEC_COND_EXPR
99         directly instead of building a temporary tree.
101         PR bootstrap/69434
102         * genrecog.c: Define INCLUDE_ALGORITHM before including system.h,
103         remove <algorithm> include.
105 2016-01-22  Jakub Jelinek  <jakub@redhat.com>
107         PR target/69432
108         * config/i386/i386.c: Include dojump.h.
109         (expand_small_movmem_or_setmem,
110         expand_set_or_movmem_prologue_epilogue_by_misaligned_moves): Spelling
111         fixes.
112         (ix86_expand_set_or_movmem): Call do_pending_stack_adjust () early
113         if dynamic_check != -1.
115 2016-01-21  Jeff Law  <law@redhat.com>
117         PR middle-end/69347
118         * tree-ssa-dom.c (back_propagate_equivalences): Factored out of
119         record_temporary_equivalences.  Rewritten to avoid unnecessary calls
120         into dominated_by_p.
121         (cprop_into_successor_phis): Avoid unnecessary tests.
123 2016-01-22  Richard Henderson  <rth@redhat.com>
125         PR target/69416
126         * config/aarch64/aarch64.md (UNSPEC_NZCV): New.
127         (ccmp<mode>, fccmp<mode>, fccmpe<mode>): Use it.
129 2016-01-22  Michael Matz  <matz@suse.de>
131         * system.h (string, algorithm): Include only conditionally.
132         (new): Include always under C++.
133         * bb-reorder.c (toplevel): Define INCLUDE_ALGORITHM.
134         * final.c (toplevel): Ditto.
135         * ipa-chkp.c (toplevel): Define INCLUDE_STRING.
136         * genconditions.c (write_header): Make gencondmd.c define
137         INCLUDE_STRING.
138         * mem-stats.h (mem_usage::print_dash_line): Don't use std::string.
140         * config/aarch64/aarch64.c (toplevel): Define INCLUDE_STRING.
141         * common/config/aarch64/aarch64-common.c (toplevel): Ditto.
143 2016-01-22  Christian Bruel  <christian.bruel@st.com>
145         PR target/68674
146         * expr.c (expand_expr_real_1): Reset DECL_MODE if VECTOR_TYPE_P changed.
148 2016-01-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
150         PR target/69403
151         * config/arm/thumb2.md (*thumb2_ior_scc_strict_it): Convert to
152         define_insn_and_split.  Ensure operands[1] and operands[0] do not
153         get assigned the same register.
155 2016-01-22  Kugan Vivekanandarajah  <kuganv@linaro.org>
157         * ipa-prop.c (ipa_set_jf_constant): Remove redundant unshare_expr.
159 2016-01-22  Christian Bruel  <christian.bruel@st.com>
161         * config/arm/arm-c.c (arm_pragma_target_parse):
162         Remove warn_builtin_macro_redefined overwrite.
164 2016-01-22  Eric Botcazou  <ebotcazou@adacore.com>
166         * ipa-inline.c (can_inline_edge_p): Back out overzealous check on
167         flag_non_call_exceptions compatibility.
169 2016-01-22  Jakub Jelinek  <jakub@redhat.com>
171         PR debug/66668
172         * dwarf2out.c (add_child_die_after): New function.
173         (dwarf_qual_info_t): New type.
174         (dwarf_qual_info): New variable.
175         (qualified_die_p): New function.
176         (modified_type_die): For -fdebug-types-section, ensure
177         canonical order of qualifiers.  Put qualified DIEs adjacent
178         to the corresponding non-qualified type DIE and search there
179         for existing qualified DIEs.
181 2016-01-22  Eric Botcazou  <ebotcazou@adacore.com>
183         * doc/extend.texi (scalar_storage_order type attribute): Document
184         restriction on type punning and aliasing, and remove future tense.
186 2016-01-21  Roman Zhuykov  <zhroma@ispras.ru>
188         PR target/69252
189         * modulo-sched.c (optimize_sc): Allow branch-scheduling to add a new
190         first stage.
192 2016-01-21  Jeff Law  <law@redhat.com>
194         PR middle-end/69347
195         * tree-ssa-dom.c (dom_opt_dom_walker::thread_across_edge): Avoid
196         useless call to record_temporary_equivalences.
197         * tree-ssa-threadbackward.c (find_jump_threads_backwards): Just
198         allocate 10 slots in the bb_path vector and let it grow as needed.
199         (fsm_find_control_statement_thread_paths): Similarly for the next_path
200         vector.
202 2016-01-21  David Edelsohn  <dje.gcc@gmail.com>
204         * configure.ac (gcc_cv_as_powerpc_mfcrf, gcc_cv_as_machine_directive):
205         Detangle.
206         * configure: Regenerate.
208 2016-01-21  Pat Haugen  <pthaugen@us.ibm.com>
210         * config/rs6000/aix71.h (ASM_CPU_SPEC): Add entry for Power9.
211         * config/rs6000/driver-rs6000.c (struct asm_names): Likewise.
213 2016-01-21  Bernd Schmidt  <bschmidt@redhat.com>
215         PR middle-end/66178
216         * expr.c (expand_expr_real_2) [PLUS_EXPR, MINUS_EXPR]: Don't
217         drop EXPAND_INITIALIZER.
218         * rtl.h (contains_symbolic_reference_p): Declare.
219         * rtlanal.c (contains_symbolic_reference_p): New function.
220         * simplify-rtx.c (simplify_binary_operation_1): Don't turn
221         a subtraction into a NOT if symbolic constants are involved.
223 2016-01-21  Anton Blanchard  <anton@samba.org>
224             Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
226         PR target/63354
227         * config/rs6000/linux64.h (TARGET_KEEP_LEAF_WHEN_PROFILED): New
228         #define.
229         * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled): New
230         function.
232 2016-01-21  Ajit Agarwal  <ajitkum@xilinx.com>
234         * config/microblaze/microblaze.c
235         (get_branch_target): New.
236         (insert_wic_for_ilb_runout): New.
237         (insert_wic): New.
238         (microblaze_machine_dependent_reorg): New.
239         (TARGET_MACHINE_DEPENDENT_REORG): Define macro.
240         * config/microblaze/microblaze.md
241         (UNSPEC_IPREFETCH): Define.
242         (iprefetch): New pattern
243         * config/microblaze/microblaze.opt
244         (mxl-prefetch): New flag.
246 2016-01-21  Ajit Agarwal  <ajitkum@xilinx.com>
248         * config/microblaze/microblaze.h
249         (FIXED_REGISTERS): Update in macro.
250         (CALL_USED_REGISTERS): Update in macro.
252 2016-01-21  Yuri Rumyantsev  <ysrumyan@gmail.com>
254         PR rtl-optimization/68920
255         * ifcvt.c (cond_move_process_if_block): Limit number of conditional
256         moves.
258 2016-01-21  Vladimir Makarov  <vmakarov@redhat.com>
260         PR rtl-optimization/68990
261         * lra-coalesce.c (lra_coalesce): Invalidate value for the result
262         pseudo instead of inheritance ones.
264 2016-01-21  Bernd Edlinger  <bernd.edlinger@hotmail.de>
265             Nick Clifton  <nickc@redhat.com>
267         PR target/69129
268         PR target/69012
269         * config/mips/mips.c (mips_compute_frame_info): Initialise
270         args_size and hard_frame_pointer_offset fields of the frame
271         structure before calling mips_global_pointer.
273 2016-01-21  David Edelsohn  <dje.gcc@gmail.com>
275         * configure.ac (gcc_cv_as_dwloc): Test support for debug frame section
276         label reference.
277         * configure: Regenerate.
279 2016-01-21  Richard Biener  <rguenther@suse.de>
281         * graphite-optimize-isl.c (get_schedule_map): Fix typo.
283 2016-01-21  Marcin Kościelnicki  <koriakin@0x04.net>
285         * config/s390/s390.c (s390_asm_declare_function_size): Add code
286         to actually emit the .size directive.
288 2016-01-21   Stefan Sørensen  <stefan.sorensen@spectralink.com>
289              Jakub Jelinek  <jakub@redhat.com>
291         PR target/69187
292         PR target/65624
293         * config/arm/arm-builtins.c (arm_expand_neon_builtin): Increase
294         args array size by one to avoid buffer overflow.
296 2016-01-21  Marcin Kościelnicki  <koriakin@0x04.net>
298         * config/s390/s390.md (pool_section_start): Use switch_to_section
299         to select proper read-only data section instead of hardcoding
300         .rodata.
301         (pool_section_end): Use switch_to_section to match the above.
303 2016-01-21  Richard Biener  <rguenther@suse.de>
305         PR tree-optimization/69378
306         * tree-ssa-sccvn.c (dominated_by_p_w_unex): New function.
307         (set_ssa_val_to): Use it for dominance checks taking into
308         account not executable edges.
310 2016-01-21  Jakub Jelinek  <jakub@redhat.com>
312         PR c++/69355
313         * tree-dfa.c (get_ref_base_and_extent): Use GET_MODE_BITSIZE (mode)
314         for bitsize instead of GET_MODE_PRECISION (mode).
316 2016-01-20  Martin Sebor  <msebor@redhat.com>
318         PR c/52291
319         * extend.texi (__sync Builtins): Clarify the semantics of
320         __sync_fetch_and_OP built-ins on pointers.
321         (__atomic Builtins): Same.
323 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
324             Sebastian Pop  <s.pop@samsung.com>
326         * graphite-isl-ast-to-gimple.c (enum phi_node_kind): New.
327         (class translate_isl_ast_to_gimple): Use phi_node_kind instead of bool.
328         (is_valid_rename): Same.
329         (translate_isl_ast_to_gimple::get_rename): Same.
330         (translate_isl_ast_to_gimple::rename_all_uses): Same.
331         (translate_isl_ast_to_gimple::rename_uses): Same.
332         (get_new_name): Check for close_phi nodes.
333         (copy_loop_phi_args): Use phi_node_kind.
334         (translate_isl_ast_to_gimple::copy_loop_close_phi_args): Same.
335         (translate_isl_ast_to_gimple::copy_cond_phi_args): Same.
337 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
338             Sebastian Pop  <s.pop@samsung.com>
340         Revert commit r229783.
341         * graphite-isl-ast-to-gimple.c (gcc_expression_from_isl_ast_expr_id):
342         Remove use of parameter_rename_map.
343         (copy_def): Remove.
344         (copy_internal_parameters): Remove.
345         (graphite_regenerate_ast_isl): Remove call to copy_internal_parameters.
346         * sese.c (new_sese_info): Do not initialize parameter_rename_map.
347         (free_sese_info): Do not free parameter_rename_map.
348         (set_rename): Do not use parameter_rename_map.
349         (rename_uses): Update call to set_rename.
350         (graphite_copy_stmts_from_block): Do not use parameter_rename_map.
351         * sese.h (parameter_rename_map_t): Remove.
352         (struct sese_info_t): Remove field parameter_rename_map.
354 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
355             Sebastian Pop  <s.pop@samsung.com>
357         * graphite-isl-ast-to-gimple.c: Fix comment.
358         * graphite-scop-detection.c (defined_in_loop_p): New.
359         (canonicalize_loop_closed_ssa): Do not add close phi nodes for SSA
360         names defined in loop.
362 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
363             Sebastian Pop  <s.pop@samsung.com>
365         * graphite-scop-detection.c (scop_detection::harmful_loop_in_region):
366         Discard unstructured if-then-else regions.
368 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
369             Sebastian Pop  <s.pop@samsung.com>
371         * graphite-sese-to-poly.c (set_scop_parameter_dim): Remove.
372         (cleanup_loop_iter_dom): Remove.
373         (build_loop_iteration_domains): Remove.
374         (build_scop_context): Remove.
375         (build_scop_iteration_domain): Remove.
376         (add_loop_constraints): New.
377         (build_iteration_domains): New.
378         (build_poly_scop): Call build_iteration_domains.
380 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
381             Sebastian Pop  <s.pop@samsung.com>
383         * graphite-scop-detection.c
384         (scop_detection::harmful_loop_in_region): Free dom and loops.
385         (scop_detection::loop_body_is_valid_scop): Free bbs.
387 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
388             Sebastian Pop  <s.pop@samsung.com>
390         * graphite-scop-detection.c (record_loop_in_sese): New.
391         (gather_bbs::before_dom_children): Call record_loop_in_sese.
392         (build_scops): Remove call to build_sese_loop_nests.
393         * sese.c (sese_record_loop): Remove.
394         (build_sese_loop_nests): Remove.
395         (new_sese_info): Remove region->loops.
396         (free_sese_info): Same.
397         * sese.h (sese_contains_loop): Same.
398         (build_sese_loop_nests): Remove.
399         (sese_contains_loop): Remove.
401 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
402             Sebastian Pop  <s.pop@samsung.com>
404         * graphite-scop-detection.c (loop_is_valid_scop): Renamed loop_is_valid_in_scop.
405         (scop_detection::harmful_stmt_in_region): Renamed harmful_loop_in_region.
406         Call loop_is_valid_in_scop.
408 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
409             Sebastian Pop  <s.pop@samsung.com>
411         * graphite-isl-ast-to-gimple.c (translate_isl_ast): Also handle
412         isl_ast_node_mark.
414 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
415             Sebastian Pop  <s.pop@samsung.com>
417         * graphite-poly.c (new_poly_bb): Remove use of PBB_IS_REDUCTION.
418         * graphite.h (struct poly_bb): Remove field is_reduction.
419         (PBB_IS_REDUCTION): Remove.
421 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
422             Sebastian Pop  <s.pop@samsung.com>
424         * graphite-dependences.c (constrain_domain): Add call to isl_*_coalesce.
425         (add_pdr_constraints): Same.
426         (scop_get_reads): Same.
427         (scop_get_must_writes): Same.
428         (scop_get_may_writes): Same.
429         (scop_get_original_schedule): Same.
430         (extend_schedule): Same.
431         (apply_schedule_on_deps): Same.
432         (carries_deps): Same.
433         (compute_deps): Same.
434         (scop_get_dependences): Same.
435         * graphite-isl-ast-to-gimple.c
436         (translate_isl_ast_to_gimple::generate_isl_schedule): Same.
437         * graphite-optimize-isl.c (get_schedule_for_band): Same.
438         (get_schedule_for_band_list): Same.
439         (get_schedule_map): Same.
440         (apply_schedule_map_to_scop): Same.
441         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
442         (build_loop_iteration_domains): Same.
443         (add_condition_to_pbb): Same.
444         (add_param_constraints): Same.
445         (pdr_add_memory_accesses): Same.
446         (pdr_add_data_dimensions): Same.
448 2016-01-20  Sandra Loosemore <sandra@codesourcery.com>
450         * doc/invoke.texi (Instrumentation Options): Clarify -mmpx linking
451         requirements.
453 2016-01-20  Sandra Loosemore <sandra@codesourcery.com>
455         * common.opt (feliminate-dwarf2-dups): Replace references to
456         "DWARF 2" with just "DWARF".
457         * config/ia64/ia64.opt (mdwarf2-asm): Likewise.
458         * doc/extend.texi: Likewise.
459         * doc/cpp.texi: Likewise.
460         * doc/invoke.texi: Likewise.
461         (Option Summary): Add -gdwarf to list of Debugging Options.
462         (Debugging Options): Document -gdwarf.
463         * doc/contrib.texi: Spell "DWARF" like that.
465 2016-01-21  Jakub Jelinek  <jakub@redhat.com>
467         * omp-low.c (expand_omp_target): Avoid -Wmaybe-uninitialized
468         warning.  Fix up formatting.
470         PR middle-end/67653
471         * gimplify.c (gimplify_asm_expr): Warn if it is too late to
472         attempt to mark memory input operand addressable and
473         call prepare_gimple_addressable in that case.  Don't adjust
474         input_location for diagnostics, use error_at instead.
476 2016-01-20  Peter Bergner  <bergner@vnet.ibm.com>
478         * config/rs6000/ppc-auxv.h: New file.
479         * config/rs6000/rs6000-builtin.def (cpu_init): Add new builtin.
480         (cpu_is): Likewise.
481         (cpu_supports): Likewise.
482         * config/rs6000/rs6000.c: include "ppc-auxv.h".
483         (cpu_is_info): New variable.
484         (cpu_supports_info): Likewise.
485         (tcb_verification_symbol): Likewise.
486         (cpu_builtin_p): Likewise.
487         (cpu_expand_builtin): New function.
488         (rs6000_expand_ternop_builtin): Add support for CPU builtin functions.
489         (rs6000_init_builtins): Likewise.
490         (rs6000_elf_file_end): Emit HWCAP in TCB verification symbol.
491         * config/rs6000/rs6000.h (TLS_REGNUM): New define.
492         * configure.ac (gcc_cv_libc_provides_hwcap_in_tcb): New test.
493         * configure: Regenerate.
494         * config.in: Likewise.
495         * doc/extend.texi (PowerPC Built-in Functions): Document
496         __builtin_cpu_init, __builtin_cpu_is and __builtin_cpu_supports.
498 2016-01-20  David Edelsohn  <dje.gcc@gmail.com>
500         PR target/68609
501         * config/rs6000/rs6000.c (rs6000_emit_swsqrt): Add vector sqrt
502         domain check.
503         * config/rs6000/vector.md (sqrt<mode>2): Call rs6000_emit_swsqrt
504         for V4SFmode.
506 2016-01-20  Richard Henderson  <rth@redhat.com>
508         PR bootstrap/69343
509         PR bootstrap/69339
510         PR tree-opt/68964
511         Revert:
512         * tree.c (tm_define_builtin): New.
513         (find_tm_vector_type): New.
514         (build_tm_vector_builtins): New.
515         (build_common_builtin_nodes): Call it.
517 2016-01-20  Christophe Lyon  <christophe.lyon@linaro.org>
519         * doc/sourcebuild.texi (arm_crypto_pragma_ok): Document new entry.
520         (arm_fp_ok): Likewise.
521         (arm_fp): Likewise.
522         (arm_crypto): Likewise.
524 2016-01-20  Ilya Enkovich  <enkovich.gnu@gmail.com>
525             Richard Biener  <rguenther@suse.de>
527         PR tree-optimization/69328
528         * tree-vect-stmts.c (vect_is_simple_cond): Check compared
529         vectors have same number of elements.
530         (vectorizable_condition): Fix masked version recognition.
532 2016-01-20  Richard Biener  <rguenther@suse.de>
534         PR tree-optimization/69345
535         * tree-ssa-sccvn.h (VN_INFO_RANGE_INFO): New inline function.
536         (VN_INFO_PTR_INFO): Likewise.
537         * tree-ssa-sccvn.c (set_ssa_val_to): Avoid clearing points-to
538         info when it is equal between non-dominating SSA names.
539         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
540         Make sure to look at original SSA infos.
542 2016-01-20  Jeff Law  <law@redhat.com>
544         PR target/25114
545         * config/m68k/predicates.md (pow2_m1_operand): New predicate
546         extracted from ...
547         (reg_or_pow2_m1_operand): Call pow2_m1_operand.
548         (pc_or_label_operand): New predicate.
549         * config/m68k/m68k.md: Add new peephole2 patterns for GTU/LEU
550         tests for small integers that are 2^n - 1.
552 2016-01-20  Jonathan Wakely  <jwakely@redhat.com>
554         * doc/invoke.texi (Options Summary): Add '.' after @xref.
556 2016-01-19  Jeff Law  <law@redhat.com>
558         PR middle-end/69347
559         * tree-ssa-threadbackwards.c
560         (fsm_find_control_statement_thread_paths): Do not try to lookup
561         FSM paths for SSA_NAMEs appearing in abnormal PHIs.
563 2016-01-20  Kugan Vivekanandarajah  <kuganv@linaro.org>
565         * doc/lto.texi: Remove text that says only Gold has linker plugin
566         support.
568 2016-01-19  Eric Botcazou  <ebotcazou@adacore.com>
570         * dwarf2out.c (need_endianity_attribute_p): New inline predicate.
571         (base_type_die): Add REVERSE parameter and attach DW_AT_endianity to
572         the DIE accordingly.
573         (modified_type_die): Add REVERSE parameter and pass it recursively,
574         as well as to base_type_die.  Adjust presence check accordingly.
575         (base_type_for_mode): Adjust call to modified_type_die.
576         (add_type_attribute): Add REVERSE parameter and pass it to
577         modified_type_die.
578         (generic_parameter_die): Adjust call to add_type_attribute.
579         (add_scalar_info): Likewise.
580         (add_subscript_info): Likewise.
581         (gen_array_type_die): Likewise.
582         (gen_descr_array_type_die): Likewise.
583         (gen_entry_point_die): Likewise.
584         (gen_enumeration_type_die): Likewise.
585         (gen_formal_parameter_die): Likewise.
586         (gen_subprogram_die): Likewise.
587         (gen_variable_die ): Likewise.
588         (gen_const_die): Likewise.
589         (gen_field_die): Likewise.
590         (gen_pointer_type_die): Likewise.
591         (gen_reference_type_die): Likewise.
592         (gen_ptr_to_mbr_type_die): Likewise.
593         (gen_inheritance_die): Likewise.
594         (gen_subroutine_type_die): Likewise.
595         (gen_typedef_die): Likewise.
596         (force_type_die): Adjust call to modified_type_die.
598 2016-01-19  Sandra Loosemore <sandra@codesourcery.com>
600         * doc/standards.texi: Copy-editing for grammar, markup, and sentence
601         flow throughout the file.  Fix broken link to Objective-C 2.0
602         documentation.
603         * doc/invoke.texi: More copy-editing; fix numerous typos and spelling
604         errors.
606 2016-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
608         * ccmp.c (expand_ccmp_expr_1): Avoid spurious unused warnings.
610 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
612         PR ipa/66223
613         * ipa-devirt.c (is_cxa_pure_virtual_p): New function.
614         (maybe_record_node): Record cxa_pure_virtual as the only possible
615         target if there are not ohter candidates.
616         (possible_polymorphic_call_target_p): Accept cxa_pure_virtual.
618 2016-01-19  Richard Biener  <rguenther@suse.de>
620         * hsa-gen.c (get_memory_order_name): Use MEMMODEL_ constants.
621         (get_memory_order): Likewise.
623 2016-01-19  Kirill Yukhin  <kirill.yukhin@intel.com>
625         * tree-vect-stmts.c (vectorizable_store): Check
626         rhs vectype.
628 2016-01-19  David Malcolm  <dmalcolm@redhat.com>
630         PR jit/68446
631         * gcc.c (driver::decode_argv): Add call to
632         init_opts_obstack before init_options_struct.
633         * opts.c (init_opts_obstack): Remove idempotency.
634         (init_options_struct): Replace call to init_opts_obstack
635         with a gcc_assert to verify that it has already been called.
636         * toplev.c (toplev::main): Add call to init_opts_obstack before
637         calls to init_options_struct.
638         (toplev::finalize): Move cleanup of opts_obstack next to
639         cleanup of save_decoded_options, clearing the latter, and
640         save_decoded_options_count.
642 2016-01-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
644         PR target/69135
645         * config/arm/vfp.md (l<vrint_pattern><su_optab><mode>si2): Set "conds"
646         attribute to unconditional.  Remove %? from output template.
648 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
649             Jiong Wang  <jiong.wang@arm.com>
651         * ccmp.c (expand_ccmp_expr_1): Cost the instruction sequences
652         generated from different expand order.
654 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
656         * /config/aarch64/aarch64.c (aarch64_if_then_else_costs):
657         Add support for CCMP costing.
659 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
661         * ccmp.c (ccmp_candidate_p): Remove integer-only restriction.
662         * config/aarch64/aarch64.md (fccmp<mode>): New pattern.
663         (fccmpe<mode>): Likewise.
664         (fcmp): Rename to fcmp and globalize pattern.
665         (fcmpe): Likewise.
666         * config/aarch64/aarch64.c (aarch64_gen_ccmp_first): Add FP support.
667         (aarch64_gen_ccmp_next): Add FP support.
669 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
671         * target.def (gen_ccmp_first): Update documentation.
672         (gen_ccmp_next): Likewise.
673         * doc/tm.texi (gen_ccmp_first): Update documentation.
674         (gen_ccmp_next): Likewise.
675         * ccmp.c (expand_ccmp_expr): Extract cmp_code from return value of
676         expand_ccmp_expr_1.  Improve comments.
677         * config/aarch64/aarch64.md (ccmp_and): Use if_then_else for ccmp.
678         (ccmp_ior<mode>): Remove pattern.
679         (cmp<mode>): Remove expand.
680         (cmp): Globalize pattern.
681         (cstorecc4): Use cc_register.
682         (mov<mode>cc): Remove ccmp_cc_register check.
683         * config/aarch64/aarch64.c (aarch64_get_condition_code_1):
684         Simplify after removal of CC_DNE/* modes.
685         (aarch64_ccmp_mode_to_code): Remove.
686         (aarch64_print_operand): Remove 'K' case.  Merge 'm' and 'M' cases.
687         In 'k' case use integer as condition.
688         (aarch64_nzcv_codes): Remove inverted cases.
689         (aarch64_code_to_ccmode): Remove.
690         (aarch64_gen_ccmp_first): Use cmp pattern directly.  Return the correct
691         comparison with CC register to be used in folowing CCMP/branch/CSEL.
692         (aarch64_gen_ccmp_next): Use previous comparison and mode in CCMP
693         pattern.  Return the comparison with CC register.  Invert conditions
694         when bitcode is OR.
695         * config/aarch64/aarch64-modes.def: Remove CC_DNE/* modes.
696         * config/aarch64/predicates.md (ccmp_cc_register): Remove.
698 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
700         * cgraphunit.c (cgraph_node::reset): Clear thunk info and
701         instrumented_version.
703 2016-01-19  Richard Biener  <rguenther@suse.de>
705         PR tree-optimization/69336
706         * tree-ssa-scopedtables.c (avail_expr_hash): Handle all
707         handled components with get_ref_base_and_extent.
708         (equal_mem_array_ref_p): Adjust.
710 2016-01-19  Jakub Jelinek  <jakub@redhat.com>
712         PR debug/65779
713         * shrink-wrap.c: Include valtrack.h.
714         (move_insn_for_shrink_wrap): Add DEBUG argument.  If
715         MAY_HAVE_DEBUG_INSNS, call dead_debug_add on DEBUG_INSNs
716         in between insn and where it will be moved to.  Call
717         dead_debug_insert_temp.
718         (prepare_shrink_wrap): Adjust caller.  Call dead_debug_local_init
719         first and dead_debug_local_finish at the end.
720         For uses and defs bitmap, handle all regs in between REGNO and
721         END_REGNO, not just the first one.
723 2016-01-19  Richard Biener  <rguenther@suse.de>
725         PR tree-optimization/69352
726         * tree-ssa-scopedtables.c (avail_expr_hash): Check for size == -1.
727         (equal_mem_array_ref_p): Constrain size and max size properly.
728         Compare the reverse flag.
730 2016-01-19  Bernd Schmidt  <bschmidt@redhat.com>
732         * ira.c (ira): Update regstat data if we deleted insns.
734 2016-01-19  Jakub Jelinek  <jakub@redhat.com>
736         PR rtl-optimization/68955
737         PR rtl-optimization/64557
738         * dse.c (record_store, check_mem_read_rtx): Don't call get_addr
739         here.  Fix up formatting.
740         * alias.c (get_addr): Handle VALUE +/- CONST_SCALAR_INT_P.
742 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
744         PR lto/69133
745         * cgraphunit.c (cgraph_node::expand_thunk): When forcing gimple
746         assume that the node has body.
747         * cgraph.c (cgraph_node::get_untransformed_body): Use gimple_body_p
748         check.
750 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
752         * lto-streamer-out.c (lto_output): Do not stream instrumentation
753         thunks.
755 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
757         * symtab.c (symtab_node::asm_name): Do not call printable name directly.
758         (symtab_node::name): Report name as unnamed if DECL_NAME is not set.
760 2016-01-19  Martin Jambor  <mjambor@suse.cz>
761             Martin Liska  <mliska@suse.cz>
762             Michael Matz <matz@suse.de>
764         * Makefile.in (OBJS): Add new source files.
765         (GTFILES): Add hsa.c.
766         * common.opt (disable_hsa): New variable.
767         (-Whsa): New warning.
768         * config.in (ENABLE_HSA): New.
769         * configure.ac: Treat hsa differently from other accelerators.
770         (OFFLOAD_TARGETS): Define ENABLE_OFFLOADING according to
771         $enable_offloading.
772         (ENABLE_HSA): Define ENABLE_HSA according to $enable_hsa.
773         * doc/install.texi (Configuration): Document --with-hsa-runtime,
774         --with-hsa-runtime-include, --with-hsa-runtime-lib and
775         --with-hsa-kmt-lib.
776         * doc/invoke.texi (-Whsa): Document.
777         (hsa-gen-debug-stores): Likewise.
778         * lto-wrapper.c (compile_images_for_offload_targets): Do not attempt
779         to invoke offload compiler for hsa acclerator.
780         * opts.c (common_handle_option): Determine whether HSA offloading
781         should be performed.
782         * params.def (PARAM_HSA_GEN_DEBUG_STORES): New parameter.
783         * builtin-types.def (BT_FN_VOID_UINT_PTR_INT_PTR): New.
784         (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_INT_INT): Removed.
785         (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_PTR): New.
786         * gimple-low.c (lower_stmt): Also handle GIMPLE_OMP_GRID_BODY.
787         * gimple-pretty-print.c (dump_gimple_omp_for): Also handle
788         GF_OMP_FOR_KIND_GRID_LOOP.
789         (dump_gimple_omp_block): Also handle GIMPLE_OMP_GRID_BODY.
790         (pp_gimple_stmt_1): Likewise.
791         * gimple-walk.c (walk_gimple_stmt): Likewise.
792         * gimple.c (gimple_build_omp_grid_body): New function.
793         (gimple_copy): Also handle GIMPLE_OMP_GRID_BODY.
794         * gimple.def (GIMPLE_OMP_GRID_BODY): New.
795         * gimple.h (enum gf_mask): Added GF_OMP_PARALLEL_GRID_PHONY,
796         GF_OMP_FOR_KIND_GRID_LOOP, GF_OMP_FOR_GRID_PHONY and
797         GF_OMP_TEAMS_GRID_PHONY.
798         (gimple_statement_omp_single_layout): Updated comments.
799         (gimple_build_omp_grid_body): New function.
800         (gimple_has_substatements): Also handle GIMPLE_OMP_GRID_BODY.
801         (gimple_omp_for_grid_phony): New function.
802         (gimple_omp_for_set_grid_phony): Likewise.
803         (gimple_omp_parallel_grid_phony): Likewise.
804         (gimple_omp_parallel_set_grid_phony): Likewise.
805         (gimple_omp_teams_grid_phony): Likewise.
806         (gimple_omp_teams_set_grid_phony): Likewise.
807         (gimple_return_set_retbnd): Also handle GIMPLE_OMP_GRID_BODY.
808         * omp-builtins.def (BUILT_IN_GOMP_OFFLOAD_REGISTER): New.
809         (BUILT_IN_GOMP_OFFLOAD_UNREGISTER): Likewise.
810         (BUILT_IN_GOMP_TARGET): Updated type.
811         * omp-low.c: Include symbol-summary.h, hsa.h and params.h.
812         (adjust_for_condition): New function.
813         (get_omp_for_step_from_incr): Likewise.
814         (extract_omp_for_data): Moved parts to adjust_for_condition and
815         get_omp_for_step_from_incr.
816         (build_outer_var_ref): Handle GIMPLE_OMP_GRID_BODY.
817         (fixup_child_record_type): Bail out if receiver_decl is NULL.
818         (scan_sharing_clauses): Handle OMP_CLAUSE__GRIDDIM_.
819         (scan_omp_parallel): Do not create child functions for phony
820         constructs.
821         (check_omp_nesting_restrictions): Handle GIMPLE_OMP_GRID_BODY.
822         (scan_omp_1_op): Checking assert we are not remapping to
823         ERROR_MARK.  Also also handle GIMPLE_OMP_GRID_BODY.
824         (parallel_needs_hsa_kernel_p): New function.
825         (expand_parallel_call): Register apprpriate parallel child
826         functions as HSA kernels.
827         (grid_launch_attributes_trees): New type.
828         (grid_attr_trees): New variable.
829         (grid_create_kernel_launch_attr_types): New function.
830         (grid_insert_store_range_dim): Likewise.
831         (grid_get_kernel_launch_attributes): Likewise.
832         (get_target_argument_identifier_1): Likewise.
833         (get_target_argument_identifier): Likewise.
834         (get_target_argument_value): Likewise.
835         (push_target_argument_according_to_value): Likewise.
836         (get_target_arguments): Likewise.
837         (expand_omp_target): Call get_target_arguments instead of looking
838         up for teams and thread limit.
839         (grid_expand_omp_for_loop): New function.
840         (grid_arg_decl_map): New type.
841         (grid_remap_kernel_arg_accesses): New function.
842         (grid_expand_target_kernel_body): New function.
843         (expand_omp): Call it.
844         (lower_omp_for): Do not emit phony constructs.
845         (lower_omp_taskreg): Do not emit phony constructs but create for them
846         a temporary variable receiver_decl.
847         (lower_omp_taskreg): Do not emit phony constructs.
848         (lower_omp_teams): Likewise.
849         (lower_omp_grid_body): New function.
850         (lower_omp_1): Call it.
851         (grid_reg_assignment_to_local_var_p): New function.
852         (grid_seq_only_contains_local_assignments): Likewise.
853         (grid_find_single_omp_among_assignments_1): Likewise.
854         (grid_find_single_omp_among_assignments): Likewise.
855         (grid_find_ungridifiable_statement): Likewise.
856         (grid_target_follows_gridifiable_pattern): Likewise.
857         (grid_remap_prebody_decls): Likewise.
858         (grid_copy_leading_local_assignments): Likewise.
859         (grid_process_kernel_body_copy): Likewise.
860         (grid_attempt_target_gridification): Likewise.
861         (grid_gridify_all_targets_stmt): Likewise.
862         (grid_gridify_all_targets): Likewise.
863         (execute_lower_omp): Call grid_gridify_all_targets.
864         (make_gimple_omp_edges): Handle GIMPLE_OMP_GRID_BODY.
865         * tree-core.h (omp_clause_code): Added OMP_CLAUSE__GRIDDIM_.
866         (tree_omp_clause): Added union field dimension.
867         * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE__GRIDDIM_.
868         * tree.c (omp_clause_num_ops): Added number of arguments of
869         OMP_CLAUSE__GRIDDIM_.
870         (omp_clause_code_name): Added name of OMP_CLAUSE__GRIDDIM_.
871         (walk_tree_1): Handle OMP_CLAUSE__GRIDDIM_.
872         * tree.h (OMP_CLAUSE_GRIDDIM_DIMENSION): New.
873         (OMP_CLAUSE_SET_GRIDDIM_DIMENSION): Likewise.
874         (OMP_CLAUSE_GRIDDIM_SIZE): Likewise.
875         (OMP_CLAUSE_GRIDDIM_GROUP): Likewise.
876         * passes.def: Schedule pass_ipa_hsa and pass_gen_hsail.
877         * tree-pass.h (make_pass_gen_hsail): Declare.
878         (make_pass_ipa_hsa): Likewise.
879         * ipa-hsa.c: New file.
880         * lto-section-in.c (lto_section_name): Add hsa section name.
881         * lto-streamer.h (lto_section_type): Add hsa section.
882         * timevar.def (TV_IPA_HSA): New.
883         * hsa-brig-format.h: New file.
884         * hsa-brig.c: New file.
885         * hsa-dump.c: Likewise.
886         * hsa-gen.c: Likewise.
887         * hsa.c: Likewise.
888         * hsa.h: Likewise.
889         * toplev.c (compile_file): Call hsa_output_brig.
890         * hsa-regalloc.c: New file.
892 2016-01-18  Jeff Law  <law@redhat.com>
894         PR tree-optimization/69320
895         * tree-ssa-dom.c (record_edge_info): For comparisons against a boolean
896         ranged object, do nothing if the RHS constant is not [0..1].
897         (optimize_stmt): Comparing a boolean ranged object against a
898         constant outside [0..1] results in a compile-time constant.
900         * tree-ssanames.c (ssa_name_has_boolean_range): Remove unnecessary
901         test.
903 2016-01-18  Sandra Loosemore <sandra@codesourcery.com>
905         * doc/invoke.texi (Invoking GCC): Add new section to menu.
906         (Option Summary): Update to reflect new section and moved options.
907         (C++ Dialect Options): Move -fstats to new section.
908         (Debugging Options): Move all dump, statistics, and other GCC
909         developer options to new section.  Rewrite section introduction
910         and re-order remaining options to put the more basic ones first.
911         (Optimization Options): Move -fira-verbose and -flto-report* to
912         new section.
913         (Developer Options): New section incorporating moved options.
914         * doc/cppopts.texi (-dM): Update cross-reference.
916 2016-01-18  Richard Henderson  <rth@redhat.com>
918         PR target/69176
919         * config/aarch64/aarch64.md (add<GPI>3): Move long immediate
920         operands to pseudo only if CSE is expected.  Split long immediate
921         operands only after reload, and for the stack pointer.
922         (*add<GPI>3_pluslong): Remove.
923         (*addsi3_aarch64, *adddi3_aarch64): Merge into...
924         (*add<GPI>3_aarch64): ... here.  Add r/rk/Upl alternative.
925         (*addsi3_aarch64_uxtw): Add r/rk/Upl alternative.
926         (*add<GPI>3 peepholes): New.
927         (*add<GPI>3 splitters): New.
928         * config/aarch64/constraints.md (Upl): New.
929         * config/aarch64/predicates.md (aarch64_pluslong_strict_immedate): New.
931 2016-01-18  Richard Biener  <rguenther@suse.de>
933         PR tree-optimization/69297
934         * tree-vect-slp.c (vect_bb_slp_scalar_cost): Count each scalar
935         stmt at most once.
936         (vect_bb_vectorization_profitable_p): Clear visited flag again.
938 2016-01-18  Yuri Rumyantsev  <ysrumyan@gmail.com>
940         PR middle-end/68542
941         * fold-const.c (fold_binary_op_with_conditional_arg): Bail out for case
942         of mixind vector and scalar types.
943         (fold_relational_const): Add handling of vector
944         comparison with boolean result.
945         * tree-cfg.c (verify_gimple_comparison): Add argument CODE, allow
946         comparison of vector operands with boolean result for EQ/NE only.
947         (verify_gimple_assign_binary): Adjust call for verify_gimple_comparison.
948         (verify_gimple_cond): Likewise.
949         * tree-vrp.c (extract_code_and_val_from_cond_with_ops): Modify check on
950         valid type of VAL.
952 2016-01-18  Joseph Myers  <joseph@codesourcery.com>
954         * config/mips/mips.h (ISA_HAS_PAIRED_SINGLE): Require
955         !TARGET_OCTEON.
957 2016-01-18  Richard Biener  <rguenther@suse.de>
959         PR middle-end/69308
960         * gimple.c (gimple_could_trap_p_1): Handle GIMPLE_COND.
962 2016-01-18  Tom de Vries  <tom@codesourcery.com>
964         * passes.def: Add pass_parallelize_loops to pass_oacc_kernels.
966 2016-01-18  Tom de Vries  <tom@codesourcery.com>
968         * omp-low.c (set_oacc_fn_attrib): Make extern.
969         * omp-low.h (set_oacc_fn_attrib): Declare.
970         * tree-parloops.c (struct reduction_info): Add reduc_addr field.
971         (create_call_for_reduction_1): Handle case that reduc_addr is non-NULL.
972         (create_parallel_loop, gen_parallel_loop, try_create_reduction_list):
973         Add and handle function parameter oacc_kernels_p.
974         (find_reduc_addr, get_omp_data_i_param): New function.
975         (ref_conflicts_with_region, oacc_entry_exit_ok_1)
976         (oacc_entry_exit_single_gang, oacc_entry_exit_ok): New function.
977         (parallelize_loops): Add and handle function parameter oacc_kernels_p.
978         Calculate dominance info.  Skip loops that are not in a kernels region
979         in oacc_kernels_p mode.  Skip inner loops of parallelized loops.
980         (pass_parallelize_loops::execute): Call parallelize_loops with
981         oacc_kernels_p argument.
982         (pass_parallelize_loops::clone, pass_parallelize_loops::set_pass_param):
983         New member function.
984         (pass_parallelize_loops::bool oacc_kernels_p): New member var.
985         * passes.def: Add argument to pass_parallelize_loops instantation.
987 2016-01-18  Tom de Vries  <tom@codesourcery.com>
989         * tree-parloops.c (pass_parallelize_loops::execute): Allow
990         pass_parallelize_loops to be run outside the loop pipeline.
992 2016-01-18  Alan Lawrence  <alan.lawrence@arm.com>
994         * tree-scalar-evolution.c (follow_copies_to_constant): New.
995         (analyze_initial_condition, analyze_scalar_evolution_1): Call previous.
997 2016-01-18  Alan Lawrence  <alan.lawrence@arm.com>
999         PR target/63679
1000         * tree-ssa-scopedtables.c (avail_expr_hash): Hash MEM_REF and ARRAY_REF
1001         using get_ref_base_and_extent.
1002         (equal_mem_array_ref_p): New.
1003         (hashable_expr_equal_p): Add call to previous.
1005 2016-01-18  Alan Lawrence  <alan.lawrence@arm.com>
1007         PR target/63679
1008         * tree-sra.c (disqualified_constants, constant_decl_p): New.
1009         (sra_initialize): Allocate disqualified_constants.
1010         (sra_deinitialize): Free disqualified_constants.
1011         (disqualify_candidate): Update disqualified_constants when appropriate.
1012         (create_access): Scan for constant-pool entries as we go along.
1013         (scalarizable_type_p): Add check against type_contains_placeholder_p.
1014         (maybe_add_sra_candidate): Allow constant-pool entries.
1015         (load_assign_lhs_subreplacements): Bind debug for constant pool vars.
1016         (initialize_constant_pool_replacements): New.
1017         (sra_modify_assign): Avoid mangling assignments created by previous,
1018         and don't generate writes into constant pool.
1019         (sra_modify_function_body): Call initialize_constant_pool_replacements.
1021 2016-01-18  Ilya Enkovich  <enkovich.gnu@gmail.com>
1023         * config/i386/i386.c (scalar_to_vector_candidate_p): Support
1024         andnot instruction.
1025         (scalar_chain::convert_op): Likewise.
1026         * config/i386/i386.md (*andndi3_doubleword): New.
1028 2016-01-18  Richard Biener  <rguenther@suse.de>
1030         PR tree-optimization/69170
1031         * tree-vect-slp.c (vect_build_slp_tree): Verify we are not
1032         building a vector from scalar results of a pattern stmt.
1034 2016-01-18  Jakub Jelinek  <jakub@redhat.com>
1036         * haifa-sched.c (autopref_multipass_init): Work around
1037         -Wmaybe-uninitialized warning.
1039 2016-01-18  Thomas Preud'homme  <thomas.preudhomme@arm.com>
1041         * config/arm/arm.c (thumb1_reorg): Check that the comparison is
1042         against the constant 0.
1044 2016-01-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1046         PR tree-optimization/68799
1047         * gimple-ssa-strength-reduction.c (create_phi_basis): Directly
1048         look up phi candidates in the statement-candidate map.
1049         (phi_add_costs): Likewise.
1050         (record_phi_increments): Likewise.
1051         (phi_incr_cost): Likewise.
1052         (ncd_with_phi): Likewise.
1053         (all_phi_incrs_profitable): Likewise.
1055 2016-01-17  Jakub Jelinek  <jakub@redhat.com>
1057         * omp-low.c (mark_loops_in_oacc_kernels_region): Work around
1058         -Wmaybe-uninitialized warning.
1060 2016-01-16  Sandra Loosemore  <sandra@codesourcery.com>
1062         * doc/invoke.texi (Invoking GCC): Add new section to menu.
1063         (Option Summary): Update to reflect new section and moved options.
1064         (C++ Dialect Options): Move -fvtable-verify and related options.
1065         (Debugging Options): Move Sanitizer, Pointer Bounds Checker,
1066         and profiling-related options.
1067         (Optimization Options): Move profile generation options and
1068         -fstack-protector and related options.
1069         (Instrumentation Options): New section incorporating moved options.
1070         (Code Generation Options): Move -finstrument-functions and
1071         related options, -fstack-check, -fstack-limit*, and -fbounds-check.
1073 2016-01-16  Tom de Vries  <tom@codesourcery.com>
1075         * passes.def: Move pass_expand_omp_ssa out of pass_parallelize_loops.
1077 2016-01-16  Tom de Vries  <tom@codesourcery.com>
1079         * omp-low.c (expand_omp_atomic_fetch_op):  Release defs of update stmt.
1081 2016-01-16  Richard Sandiford  <richard.sandiford@arm.com>
1083         * hash-table.h (hash_table::empty): Turn into an inline wrapper
1084         that checks whether the table is already empty.  Rename the
1085         original implementation to...
1086         (hash_table::empty_slot): ...this new private function.
1088 2016-01-15  David Malcolm  <dmalcolm@redhat.com>
1090         PR diagnostic/68899
1091         * diagnostic-show-locus.c (layout::print_source_line): Move x
1092         offset of line until after call to
1093         get_line_width_without_trailing_whitespace.
1095 2016-01-15  Jeff Law  <law@redhat.com>
1097         PR tree-optimization/69270
1098         * tree-ssanames.c (ssa_name_has_boolean_range): Moved here from
1099         tree-ssa-dom.c.  Improve test for [0..1] ranve from VRP.
1100         * tree-ssa-dom.c (ssa_name_has_boolean_range): Remove.
1101         * tree-ssanames.h (ssa_name_has_boolean_range): Prototype.
1102         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
1103         ssa_name_has_boolean_range and constant_boolean_node.
1105 2016-01-15  Vladimir Makarov  <vmakarov@redhat.com>
1107         PR rtl-optimization/69030
1108         * lra-spills.c (remove_pseudos): Check nrefs and make the function
1109         returning bool.
1110         (spill_pseudos): Delete debug insn for dead pseudo.
1111         (lra_spill): Initiate spill_hard_reg and slots memory separately.
1113 2016-01-15  Jiong Wang  <jiong.wang@arm.com>
1115         * config/aarch64/aarch64-builtins.c (aarch64_types_unopus_qualifiers):
1116         New.
1117         (TYPES_UNOPUS): Likewise.
1118         * config/aarch64/aarch64-simd-builtins.def (lbtruncuv2sf): Correct
1119         builtin type, from UNOP to UNOPUS.
1120         (lbtruncuv4sf): Likewise.
1121         (lbtruncuv2df): Likewise.
1122         (lrounduv2sf): Likewise.
1123         (lrounduv4sf): Likewise.
1124         (lrounduv2df): Likewise.
1125         (lroundusf): Likewise.
1126         (lroundusf): Likewise.
1127         (lceiluv2sf): Likewise.
1128         (lceiluv4sf): Likewise.
1129         (lceiluv2df): Likewise.
1130         (lceilusf): Likewise.
1131         (lceiludf): Likewise.
1132         (lflooruv2sf): Likewise.
1133         (lflooruv4sf): Likewise.
1134         (lflooruv2df): Likewise.
1135         (lfloorusf): Likewise.
1136         (lfloorudf): Likewise.
1137         (lfrintnuv2sf): Likewise.
1138         (lfrintnuv4sf): Likewise.
1139         (lfrintnuv2df): Likewise.
1140         (lfrintnusf): Likewise.
1141         (lfrintnudf): Likewise.
1142         * config/aarch64/arm_neon.h (vcvt_u32_f32): Remove unncessary type
1143         conversion.
1144         (vcvtq_u32_f32): Likewise.
1145         (vcvtq_u64_f64): Likewise.
1146         (vcvta_u32_f32): Likewise.
1147         (vcvtaq_u32_f32): Likewise.
1148         (vcvtaq_u64_f64): Likewise.
1149         (vcvtm_u32_f32): Likewise.
1150         (vcvtmq_u32_f32): Likewise.
1151         (vcvtmq_u64_f64): Likewise.
1152         (vcvtn_u32_f32): Likwise.
1153         (vcvtnq_u32_f32): Likewise.
1154         (vcvtnq_u64_f64): Likewise.
1155         (vcvtp_u32_f32): Likewise.
1156         (vcvtpq_u32_f32): Likewise.
1157         (vcvtpq_u64_f64): Likewise.
1158         (vcvtmd_u64_f64): Likewise.
1159         (vcvtms_u32_f32): Likewise.
1160         (vcvtad_u64_f64): Likewise.
1161         (vcvtas_u32_f32): Likewise.
1162         (vcvtnd_u64_f64): Likewise.
1163         (vcvtns_u32_f32): Likewise.
1164         (vcvtpd_u64_f64): Likewise.
1165         (vcvtps_u32_f32): Likewise.
1167 2016-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1169         * config/aarch64/aarch64.c (aarch64_if_then_else_costs): Handle
1170         CSEL of zero_extended registers.
1172 2016-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1174         * config/aarch64/aarch64.c (aarch64_rtx_costs, COMPARE case):
1175         Handle COMPARE of ZERO_EXTRACT against zero form of TST-immediate.
1177 2016-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1179         * config/aarch64/aarch64.c (aarch64_process_one_target_attr): Return
1180         false when argument string is not found in the attributes table
1181         at all.
1183 2016-01-15  David Edelsohn  <dje.gcc@gmail.com>
1185         PR target/68609
1186         * config/rs6000/rs6000.c (rs6000_emit_msub): Delete.
1187         (rs6000_emit_swsqrt): Convert to Goldschmidt's Algorithm
1188         * config/rs6000/rs6000.md (sqrt<mode>2): Limit swsqrt to high
1189         precision estimate.
1191 2016-01-15  Richard Biener  <rguenther@suse.de>
1193         PR tree-optimization/66856
1194         * tree-vect-loop.c (vect_transform_loop): Free SLP instances here.
1195         * tree-vect-slp.c (vect_free_slp_tree): Decrement stmt reference count.
1196         (vect_create_new_slp_node): Increment stmt reference count.
1197         (vect_get_and_check_slp_defs): Make sure stmts are nor already in
1198         an SLP tree before swapping operands.
1199         (vect_build_slp_tree): Likewise.
1200         (destroy_bb_vec_info): Free stmt info after SLP instances.
1201         * tree-vect-stmts.c (new_stmt_vec_info): Initialize reference count.
1202         * tree-vectorizer.h (struct _stmt_vec_info): Add num_slp_uses field.
1203         (STMT_VINFO_NUM_SLP_USES): New macro.
1205 2016-01-15  Richard Biener  <rguenther@suse.de>
1207         PR debug/69137
1208         * dwarf2out.c (add_linkage_name_raw): New function split out from ...
1209         (add_linkage_name): ... here.
1210         (gen_typedef_die): Use add_linkage_name_raw instead of
1211         add_linkage_attr to delay DECL_ASSEMBLER_NAME computation
1212         if necessary.
1214 2016-01-15  Cesar Philippidis  <cesar@codesourcery.com>
1216         * gimplify.c (oacc_default_clause): Decode reference and pointer
1217         types for both kernels and parallel regions.
1219 2016-01-15  Richard Sandiford  <richard.sandiford@arm.com>
1221         PR middle-end/69246
1222         * calls.c (emit_call_1): Force n_popped to zero for sibcalls.
1224 2016-01-15  Ilya Enkovich  <enkovich.gnu@gmail.com>
1226         * config/i386/i386.c (scalar_chain::compute_convert_gain): Fix typo.
1227         (convert_scalars_to_vector): Likewise.
1229 2016-01-15  Jonathan Wakely  <jwakely@redhat.com>
1231         * doc/extend.texi (Type Traits): Fix grammar.
1233 2016-01-15  Martin Jambor  <mjambor@suse.cz>
1235         * tree-inline.c (remap_decl): Use existing dclarations if
1236         remapping a type and prevent_decl_creation_for_types.
1237         (replace_locals_stmt): Do an initial remapping of non-VLA typed
1238         decls first.  Do real remapping with
1239         prevent_decl_creation_for_types set.
1240         * tree-inline.h (copy_body_data): New field
1241         prevent_decl_creation_for_types, moved remap_var_for_cilk to avoid
1242         padding.
1244 2016-01-15  Dominik Vogt  <vogt@linux.vnet.ibm.com>
1246         * config/s390/s390.opt (mmvcle): More verbose help text.
1248 2016-01-15  Dominik Vogt  <vogt@linux.vnet.ibm.com>
1250         * config/s390/s390.opt: Add period to -mzvector option text.
1252 2016-01-15  Richard Biener  <rguenther@suse.de>
1254         PR tree-optimization/68961
1255         * tree-vect-slp.c (vect_analyze_slp_cost_1): Consider cost
1256         of invariants in stores again.
1258 2016-01-15  Sebastian Huber  <sebastian.huber@embedded-brains.de>
1260         * config/arm/t-rtems: Add cortex-m7/fpv5-d16 multilib.
1262 2016-01-15  Ilya Enkovich  <enkovich.gnu@gmail.com>
1264         * config/i386/i386.c (ix86_expand_branch): Don't split
1265         DI mode xor instruction to SI mode.
1267 2016-01-15  Jan Hubicka  <hubicka@ucw.cz>
1269         PR ipa/68148
1270         * ipa-icf.c (sem_function::merge): Virtual functions may become
1271         reachable even if they address is not taken and there are no
1272         idrect calls.
1274 2016-01-15  Jan Hubicka  <hubicka@ucw.cz>
1276         * lto-streamer-out.c (subtract_estimated_size): New function.
1277         (get_symbol_initial_value): Use it.
1279 2016-01-15  Christian Bruel  <christian.bruel@st.com>
1281         PR target/65837
1282         * config/arm/arm-builtins.c (ARM_BUILTIN_CRYPTO_BASE): New enum tag.
1283         (arm_init_neon_builtins_internal): Rename arm_init_neon_builtins,
1284         (arm_init_crypto_builtins_internal): Rename arm_init_crypto_builtins.
1285         use add_builtin_function_ext_scope instead of add_builtin_function.
1286         (neon_set_p, neon_crypto_set_p): Remove.
1287         (arm_init_builtins): Always call arm_init_neon_builtins and
1288         arm_init_crypto_builtins.
1289         (arm_expand_builtin): Check that builtins are allowed for the arch.
1290         * config/arm/arm-protos.h (arm_init_neon_builtins): Remove prototype.
1291         * config/arm/arm.c (arm_valid_target_attribute_tree): Remove
1292         arm_init_neon_builtins call.
1294 2016-01-15  Richard Biener  <rguenther@suse.de>
1296         PR tree-optimization/69117
1297         * tree-ssa-sccvn.h (struct vn_ssa_aux): Add info member.
1298         * tree-ssa-sccvn.c (set_ssa_val_to): Save and adjust SSA name info
1299         of the leader conservatively.
1300         (free_scc_vn): Restore original SSA name infos.
1302 2016-01-14  Jeff Law  <law@redhat.com>
1304         PR tree-optimization/69270
1305         * tree-ssa-dom.c (ssa_name_has_boolean_range): If the type has a
1306         single bit of precision, verify it's also unsigned.
1307         (record_edge_info): Use constant_boolean_node rather than fold_convert
1308         to convert boolean_true/boolean_false to the right type.
1310 2016-01-14  Richard Henderson  <rth@redhat.com>
1312         PR rtl-opt/69014
1313         * loop-doloop.c (record_reg_sets): New.
1314         (doloop_optimize): Reject the transform if the sequence
1315         clobbers registers live at the end of the loop block.
1316         (doloop_optimize_loops): Enable df_live if needed. 
1318 2016-01-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
1320         * config/rs6000/rs6000-builtin.def: Revert 2016-01-13 change.
1321         * gcc/config/rs6000/rs6000.c: Likewise.
1322         * gcc/config/rs6000/rs6000.h: Likewise.
1323         * gcc/config/rs6000/rs6000.md: Likewise.
1324         * gcc/doc/extend.texi: Likewsie.
1326 2016-01-14  Jeff Law  <law@redhat.com>
1328         * tree-ssa-dom.c (ssa_name_has_boolean_range): Fix comment
1329         typo.
1331 2016-01-14  Richard Henderson  <rth@redhat.com>
1333         PR c/69272
1334         PR tree-opt/68964
1335         * trans-mem.c (tm_log_emit_stmt): Fix unit size to bit size.
1336         * tree.c (build_tm_vector_builtins): Use builtin_decl_explicit_p
1337         instead of builtin_decl_declared_p to test for declaration.
1339 2016-01-14  Nicklas Bo Jensen  <nbjensen@gmail.com>
1341         * doc/loop.texi (Loop Analysis and Representation): Document
1342         loop_depth function.
1344 2016-01-14  Tom de Vries  <tom@codesourcery.com>
1346         PR tree-optimization/68773
1347         * omp-low.c (expand_omp_target): Don't set force_output.
1348         * varpool.c (varpool_node::get_create): Same.
1349         * lto-cgraph.c (input_offload_tables): Mark entries in offload_vars and
1350         offload_funcs with force_output.
1352 2016-01-14  Jakub Jelinek  <jakub@redhat.com>
1354         PR debug/69244
1355         * lra-eliminations.c (move_plus_up): Don't change anything if either
1356         the outer or inner subreg mode is not MODE_INT.
1357         * dwarf2out.c (mem_loc_descriptor): For SUBREG, if outer mode is
1358         integral <= DWARF2_ADDR_SIZE, convert to untyped afterwards.
1360 2016-01-14  Alan Lawrence  <alan.lawrence@arm.com>
1362         * doc/md.texi (reduc_smin_@var{m}, reduc_smax_@var{m},
1363         reduc_umin_@var{m}, reduc_umax_@var{m}, reduc_splus_@var{m},
1364         reduc_uplus_@var{m}): Remove.
1365         * expr.c (expand_expr_real_2): Remove expansion path for
1366         reduc_[us](min|max|plus) optabs.
1367         * optabs-tree.c (scalar_reduc_to_vector): Remove.
1368         * optabs-tree.h (scalar_reduc_to_vector): Remove.
1369         * optabs.def (reduc_smax_optab, reduc_smin_optab, reduc_splus_optab,
1370         reduc_umax_optab, reduc_umin_optab, reduc_uplus_optab): Remove.
1371         * tree-vect-loop.c (vectorizable_reduction): Remove test for
1372         reduc_[us](min|max|plus) optabs.
1374 2016-01-14  Alan Lawrence  <alan.lawrence@arm.com>
1376         * config/mips/mips-ps-3d.md (reduc_splus_v2sf): Remove.
1377         (reduc_plus_scal_v2sf): New.
1378         (reduc_smax_v2sf): Rename to...
1379         (reduc_smax_scal_v2sf): ...here, make result SFmode, add vec_extract.
1380         (reduc_smin_v2sf): Rename to...
1381         (reduc_smin_scal_v2sf): ...here, make result SFmode, add vec_extract.
1383 2016-01-14  Jan Hubicka  <hubicka@ucw.cz>
1385         * alias.c (compare_base_symbol_refs): New function.
1386         (rtx_equal_for_memref_p, base_alias_check, memrefs_conflict_p): Use
1387         it.
1389 2016-01-14  Jakub Jelinek  <jakub@redhat.com>
1391         PR middle-end/68146
1392         PR tree-optimization/69155
1393         * tree-complex.c: Include cfganal.h.
1394         (phis_to_revisit): New variable.
1395         (extract_component): Add phiarg_p argument.  Assert that returned
1396         SSA_NAME has non-NULL SSA_NAME_DEF_STMT unless phiarg_p is true.
1397         (update_phi_components): Partly rewrite to use loop over real/imag
1398         components instead of code duplication.  If extract_component returns
1399         SSA_NAME with NULL SSA_NAME_DEF_STMT, store SSA_NAME_VAR or
1400         create_tmp_reg into the PHI node instead, and mention the phi triplet
1401         in phis_to_revisit.
1402         (tree_lower_complex): Walk bbs in rpo order.  Adjust phis recorded
1403         in phis_to_revisit at the end.
1405 2016-01-14  Richard Biener  <rguenther@suse.de>
1407         PR tree-optimization/68060
1408         * tree-vect-loop.c (vect_is_simple_reduction): Check the
1409         outer loop reduction is only used in the inner loop before
1410         detecting a double reduction.
1412 2016-01-14  Jakub Jelinek  <jakub@redhat.com>
1414         PR target/68269
1415         * combine.c (expand_field_assignment): Punt if compute_mode is
1416         unsupported scalar mode.
1418 2016-01-14  Richard Biener  <rguenther@suse.de>
1420         PR tree-optimization/66856
1421         * tree-vect-slp.c (vect_build_slp_tree): Refactor to build
1422         SLP node only if it built successfully.
1423         (vect_analyze_slp_instance): Adjust.
1425 2016-01-14  Jeff Law  <law@redhat.com>
1427         PR tree-optimization/69270
1428         * tree-ssa-dom.c (ssa_name_has_boolean_range): New function.
1429         (record_edge_info): Use it.  Convert boolean_{true,false}_node
1430         to the type of op0.
1432 2016-01-13  Jan Hubicka  <hubicka@ucw.cz>
1434         PR ipa/66487
1435         * ipa-polymorphic-call.c (inlined_polymorphic_ctor_dtor_block_p):
1436         use block_ultimate_origin
1437         (noncall-stmt_may_be_vtbl_ptr_store): Likewise.
1439 2016-01-13  Sandra Loosemore <sandra@codesourcery.com>
1441         * doc/invoke.texi (Submodel Options): Rename section to
1442         "Machine-Dependent Options" to better reflect its content.
1443         Rewrite introductory text to remove archaic CPU names.
1444         Update references.
1446 2016-01-13  Sandra Loosemore <sandra@codesourcery.com>
1448         * doc/invoke.texi (Code Gen Options): Move section up in file,
1449         before target-specific options.  Update menu and option summary
1450         to reflect the new section ordering.
1452 2016-01-13  Jonathan Wakely  <jwakely@redhat.com>
1454         * doc/invoke.texi (C Dialect Options): Adjust -std default for C++.
1455         (C++ Dialect Options): Add cross-reference to -std option.
1456         * doc/standards.texi (C++ Language): Document C++14 support.
1458 2016-01-13  Michael Meissner  <meissner@linux.vnet.ibm.com>
1460         * config/rs6000/rs6000-builtin.def (BU_FLOAT128_2): Add support
1461         for pack/unpack functions for __ibm128.
1462         (PACK_IF): Likewise.
1463         (UNPACK_IF): Likewise.
1465         * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Add
1466         support for __ibm128 pack/unpack functions.
1467         (rs6000_invalid_builtin): Likewise.
1468         (rs6000_init_builtins): Likewise.
1469         (rs6000_opt_masks): Likewise.
1471         * config/rs6000/rs6000.h (MASK_FLOAT128): Add short name.
1472         (RS6000_BTM_FLOAT128): Add support for __ibm128 pack/unpack
1473         functions
1474         (RS6000_BTM_COMMON): Likewise.
1476         * config/rs6000/rs6000.md (f128_vsx): New mode attribute.
1477         (unpack<mode>): Use FMOVE128_FPR iterator instead of FMOVE128, to
1478         disallow __builtin_{pack,unpack}_longdouble if long double is IEEE
1479         128-bit floating point.  Add support for the double values to be
1480         in Altivec registers for TF/IF packing and unpacking, but restrict
1481         TD packing sub-fields to be FPR registers.  Don't allow overlapped
1482         register support for packing.  Allow pack inputs to be memory
1483         locations.  Don't build generator functions for unpack<mode>_dm
1484         and unpack<mode>_nodm.
1485         (unpack<mode>_dm): Likewise.
1486         (unpack<mode>_nodm): Likewise.
1487         (pack<mode>): Likewise.
1489         * config/rs6000/rs6000-builtin.def (__builtin_pack_ibm128): Add
1490         built-in functions to pack/unpack explicit __ibm128 values.
1491         (__builtin_unpack_ibm128): Likewise.
1493         * doc/extend.texi (PowerPC Built-in Functions): Document
1494         __builtin_pack_ibm128 and __builtin_unpack_ibm128.
1496 2016-01-13  Bernd Schmidt  <bschmidt@redhat.com>
1498         PR c/66208
1499         * c-common.c (check_function_nonnull): Remove unnecessary declaration.
1500         Add new arg loc and pass it down as context.
1501         (check_nonnull_arg): Don't mark ctx arg as unused. Use it as a pointer
1502         to the location to use for the warning.
1503         (check_function_arguments): New arg loc.  All callers changed.  Pass
1504         it to check_function_nonnull.
1505         * c-common.h (check_function_arguments): Adjust declaration.
1507 2016-01-13  Jakub Jelinek  <jakub@redhat.com>
1509         PR tree-optimization/69156
1510         * gimple.c (validate_type): Removed.
1511         (gimple_builtin_call_types_compatible_p): Use
1512         useless_type_conversion_p instead of validate_type.
1513         * value-prof.c (gimple_stringop_fixed_value): Fold
1514         icall_size to correct type.
1516 2016-01-13  Jonathan Wakely  <jwakely@redhat.com>
1518         * doc/extend.texi (__atomic Builtins): Clarify compare_exchange
1519         effects.
1521 2016-01-13  Richard Henderson  <rth@redhat.com>
1523         PR tree-opt/68964
1524         * target.def (builtin_tm_load, builtin_tm_store): Remove.
1525         * config/i386/i386.c (ix86_builtin_tm_load): Remove.
1526         (ix86_builtin_tm_store): Remove.
1527         (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
1528         (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
1529         * doc/tm.texi.in (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
1530         (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
1531         * doc/tm.texi: Rebuild.
1533         * gtm-builtins.def (BUILT_IN_TM_MEMCPY_RNWT): New.
1534         (BUILT_IN_TM_MEMCPY_RTWN): New.
1535         * trans-mem.c (tm_log_emit_stmt): Rearrange code for better
1536         fallback from vector to integer helpers.
1537         (build_tm_load): Handle vector types directly, instead of
1538         via target hook.
1539         (build_tm_store): Likewise.
1540         (expand_assign_tm): Prepare for register types not handled by
1541         the above.  Copy them to memory and use memcpy.
1542         * tree.c (tm_define_builtin): New.
1543         (find_tm_vector_type): New.
1544         (build_tm_vector_builtins): New.
1545         (build_common_builtin_nodes): Call it.
1547 2016-01-13  Uros Bizjak  <ubizjak@gmail.com>
1549         * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Return -1 for
1550         TARGET_SSE_MATH without TARGET_SSE2.  Rewrite.
1552 2016-01-13  Tom de Vries  <tom@codesourcery.com>
1554         PR tree-optimization/69169
1555         * tree-ssa-structalias.c (create_variable_info_for_1): Add and handle
1556         handled_struct_type param.
1557         (create_variable_info_for, intra_create_variable_infos): Call
1558         create_variable_info_for_1 with extra arg.
1560 2016-01-13  Yvan Roux  <yvan.roux@linaro.org>
1562         * config/arm/arm-arches.def: Remove spurious whitespace in "armv8.1-a"
1563         and "armv8.1-a+crc" entries.
1565 2016-01-13  Alexander Fomin  <alexander.fomin@intel.com>
1567         PR target/69228
1568         * config/i386/sse.md (define_expand "avx512pf_gatherpf<mode>sf"):
1569         Change first operand predicate from register_or_constm1_operand
1570         to register_operand.
1571         (define_expand "avx512pf_gatherpf<mode>df"): Likewise.
1572         (define_expand "avx512pf_scatterpf<mode>sf"): Likewise.
1573         (define_expand "avx512pf_scatterpf<mode>df"): Likewise.
1574         (define_insn "*avx512pf_gatherpf<mode>sf"): Remove.
1575         (define_insn "*avx512pf_gatherpf<mode>df"): Likewise.
1576         (define_insn "*avx512pf_scatterpf<mode>sf"): Likewise.
1577         (define_insn "*avx512pf_scatterpf<mode>df"): Likewise.
1578         * config/i386/i386.c (ix86_expand_builtin): Remove first operand
1579         comparison with constm1_rtx from vec_prefetch_gen part.
1581 2016-01-13  Richard Biener  <rguenther@suse.de>
1583         PR tree-optimization/69013
1584         * tree-ssa-uninit.c (prune_uninit_phi_opnds_in_unrealizable_paths):
1585         Exchange assert for a test.
1587 2016-01-13  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
1589         PR target/69247
1590         * config/s390/s390.md (bswaphi splitter): Use simplify_gen_subreg.
1592 2016-01-13  Richard Biener  <rguenther@suse.de>
1594         PR tree-optimization/69242
1595         * tree-ssa-sccvn.c (visit_reference_op_load): Replace bogus
1596         assert with a check.
1598 2016-01-13  Richard Biener  <rguenther@suse.de>
1600         PR tree-optimization/69186
1601         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
1602         Properly guard vect_update_misalignment_for_peel call.
1604 2016-01-12  Jeff Law  <law@redhat.com>
1606         PR tree-optimization/pr67755
1607         * tree-ssa-threadupdate.c (struct ssa_local_info_t): Add new field
1608         "need_profile_correction".
1609         (thread_block_1): Initialize new field to false by default.  If we
1610         have multiple thread paths through a common joiner to different
1611         final targets, then set new field to true.
1612         (compute_path_counts): Only do count adjustment when it's really
1613         needed.
1615 2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>
1617         * doc/invoke.texi (Spec Files): Move section down in file, past
1618         all command-line option descriptions.
1620 2016-01-12  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
1622         PR middle-end/54809
1623         * doc/gty.texi: Remove documentation of mark_hook.
1624         * gengtype.c (struct write_types_data): Remove code to support
1625         mark_hook attribute.
1626         (walk_type): Likewise.
1627         (write_func_for_structure): Likewise.
1629 2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>
1631         * doc/invoke.texi (Option Summary) Move -no-canonical-prefixes to
1632         Directory Options, and -specs= to Overall Options.
1633         (Overall Options): Adjust similarly.  Reorder to group related
1634         options together.  Make -specs= cross-reference the spec file details.
1635         (Directory Options): Adjust similarly.
1637 2016-01-12  Jeff Law  <law@redhat.com>
1639         * tree-ssa-threadupdate.c: Various whitespace and typo fixes.
1641 2016-01-12  Olivier Hainque  <hainque@adacore.com>
1643         * gcc.c (spec_undefvar_allowed): New global.
1644         (process_command): Set to true when running for --version or --help,
1645         alone or together.
1646         (getenv_spec_function): When the variable is not defined, use the
1647         variable name as the variable value if we're allowed not to issue
1648         a fatal error.
1650 2016-01-12  Bin Cheng  <bin.cheng@arm.com>
1652         PR tree-optimization/68911
1653         * tree-vrp.c (adjust_range_with_scev): Check overflow in range
1654         information computed for expression "init + nit * step".
1656 2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>
1658         * doc/invoke.texi (Invoking GCC): Copy-edit.  Incorporate information
1659         about name of GCC executable.  Remove deleted node from menu.
1660         (Directory Options) <-B>: Remove cross-reference to deleted node.
1661         (Target Options): Delete section.
1663 2016-01-12  Christian Bruel  <christian.bruel@st.com>
1665         PR target/69180
1666         * config/arm/arm-c.c (arm_pragma_target_parse): Set NODE_CONDITIONAL
1667         for __ARM_NEON_FP, __ARM_FP, _ARM_FEATURE_LDREX.
1669 2016-01-12  Jakub Jelinek  <jakub@redhat.com>
1671         PR target/69198
1672         * config/i386/i386.c (ix86_expand_special_args_builtin): Ensure
1673         aligned_mem is properly set for AVX512-VL floating point masked
1674         stores.
1676         PR target/69175
1677         * ifcvt.c (cond_exec_process_if_block): When removing the last
1678         insn from then_bb, remove also any possible barriers that follow it.
1680 2016-01-12  H.J. Lu  <hongjiu.lu@intel.com>
1682         PR target/68456
1683         PR target/69226
1684         * config/i386/iamcu.h (SIZE_TYPE): New macro.
1685         (PTRDIFF_TYPE): Likewise.
1686         (WCHAR_TYPE): Likewise.
1687         (WCHAR_TYPE_SIZE): Likewise.
1688         (STDINT_LONG32): Likewise.
1690 2016-01-12  Richard Biener  <rguenther@suse.de>
1692         PR tree-optimization/69053
1693         * tree-vect-loop.c (get_initial_def_for_reduction): Properly
1694         convert initial value for cond reductions.
1696 2016-01-12  Richard Biener  <rguenther@suse.de>
1698         PR tree-optimization/69007
1699         * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Move
1700         widen_sum after dot_prod and sad.
1702 2016-01-12  Richard Biener  <rguenther@suse.de>
1704         PR tree-optimization/69168
1705         * tree-vect-loop.c (vect_analyze_loop_2): Reset both main and
1706         pattern stmt SLP type.
1707         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Patterns may
1708         end up unused so cope with that case.
1710 2016-01-12  Richard Biener  <rguenther@suse.de>
1712         PR tree-optimization/69157
1713         * tree-vect-stmts.c (vectorizable_mask_load_store): Check
1714         stmts def type only during analyze phase.
1715         (vectorizable_call): Likewise.
1716         (vectorizable_simd_clone_call): Likewise.
1717         (vectorizable_conversion): Likewise.
1718         (vectorizable_assignment): Likewise.
1719         (vectorizable_shift): Likewise.
1720         (vectorizable_operation): Likewise.
1721         (vectorizable_store): Likewise.
1722         (vectorizable_load): Likewise.
1724 2016-01-12  Richard Biener  <rguenther@suse.de>
1726         PR tree-optimization/69174
1727         * tree-vect-stmts.c (vect_mark_relevant): Remove excessive vertical
1728         space.
1729         (vectorizable_load): Properly compute the number of loads needed
1730         for permuted strided SLP loads and do not spuriously assign
1731         to SLP_TREE_VEC_STMTS.
1733 2016-01-12  Andris Pavenis  <andris.pavenis@iki.fi>
1735         * config/i386/djgpp.h (PREFERRED_DEBUGGING_TYPE): Define to DWARF2
1736         (TARGET_ASM_OUTPUT_IDENT): Define to default_asm_output_ident_directive
1737         (MD_EXEC_PREFIX): Remove.
1738         (MD_STARTFILE_PREFIX) Removee.
1739         (FILE_NAME_ABSOLUTE_P): Remove.
1740         (CPP_SPEC): Do not read macros from sys/version.h.
1741         (LINK_COMMAND_SPEC): Remove.
1742         (LOCAL_INCLUDE_DIR): Remove.
1743         (TARGET_ASM_NAMED_SECTION): Define to i386_djgpp_asm_named_section
1744         (TARGET_OS_CPP_BUILTINS): Add DJGPP (non ISO only), __DJGPP, __DJGPP__, unix.
1745         (POST_LINK_SPEC): Define to invoke stubify after linker
1746         (LIBSTDCXX): Remove define
1747         (DBX_REGISTER_NUMBER): Define to svr4_dbx_register_map.
1748         (DEFAULT_PCC_STRUCT_RETURN): Define to 1.
1749         (SUBTARGET_OVERRIDE_OPTIONS): Remove warning about -mbnu2210.
1750         (SUBTARGET_OVERRIDE_OPTIONS): Ignore -fPIC and generate message.
1751         (SUBTARGET_OVERRIDE_OPTIONS): Default to DWARF2 debugging info.
1752         (IX86_MAYBE_NO_LIBGCC_TFMODE): Remove.
1753         (i386_djgpp_asm_named_section): Add propotype of new procedure
1755         * config/i386/xm-djgpp.h (NATIVE_SYSTEM_HEADER_DIR): Define.
1756         (MD_EXEC_PREFIX): Define (moved from config/i386/djgpp.h).
1757         (STANDARD_STARTFILE_PREFIX_1): Define (moved from MD_STARTFILE_PREFIX in config/i386/djgpp.h).
1758         (STANDARD_STARTFILE_PREFIX_2): Define identical to STANDARD_STARTFILE_PREFIX_1.
1759         (LOCAL_INCLUDE_DIR): Define (moved from config/i386/djgpp.h).
1760         (GCC_DRIVER_HOST_INITIALIZATION): Fix reporting fatal installation errors.
1761         (MAX_OFILE_ALIGNMENT): Define to 128.
1762         (HAVE_FTW_H): Undefine as DJGPP do not have nftw, but have ftw.h.
1764         * config/i386/djgpp.c: New file. Add implementation of i386_djgpp_asm_named_section.
1766         * config/i386/djgpp.opt: Remove obsolete option -mbnu210.
1768         * config/i386/t-djgpp: New file. Add djgpp.o to EXTRA_OBJS.
1769         Add rule for building djgpp.o.
1771 2016-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1773         * config/rs6000/rs6000.c (v2df_reduction_p): New function.
1774         (rtx_is_swappable_p): Reductions are swappable.
1775         (insn_is_swappable_p): V2DF reductions are swappable.
1777 2016-01-11  John David Anglin  <danglin@gcc.gnu.org>
1779         * config/pa/pa.c (pa_emit_move_sequence): Handle floating point
1780         reloads for other unsupported memory operands.
1782 2016-01-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
1783             Jim Wilson  <jim.wilson@linaro.org>
1785         PR target/69194
1786         * config/arm/arm-builtins.c (arm_expand_neon_args): Call
1787         copy_to_mode_reg instead of force_reg.
1789 2016-01-11  H.J. Lu  <hongjiu.lu@intel.com>
1791         PR target/69225
1792         * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Set to 2 only if
1793         TARGET_80387 is true.
1795 2016-01-11  Jakub Jelinek  <jakub@redhat.com>
1797         PR target/69071
1798         * lra-eliminations.c (move_plus_up): Only move plus up
1799         if subreg of the constant can be simplified into constant
1800         and use the simplified subreg of the constant instead of
1801         the original constant.
1803         * fold-const.c (fold_convertible_p): Don't return true
1804         for conversion of VECTOR_TYPE to same sized integral type.
1805         (fold_convert_loc): Fix up formatting.  Fold conversion of
1806         VECTOR_TYPE to same sized integral type using VIEW_CONVERT_EXPR
1807         instead of NOP_EXPR.
1809         PR tree-optimization/69214
1810         * tree-vrp.c (simplify_cond_using_ranges): Don't propagate
1811         innerop into a comparison if SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
1812         Formatting fix.
1814         PR tree-optimization/69207
1815         * tree-vect-slp.c (vect_get_constant_vectors): For
1816         VECTOR_BOOLEAN_TYPE_P, assert op has integral type instead of
1817         fold_convertible_p to vector_type's element type, and always
1818         use VCE for non-VECTOR_BOOLEAN_TYPE_P.
1820 2016-01-11  Richard Biener  <rguenther@suse.de>
1822         PR tree-optimization/69173
1823         * tree-vect-loop.c (vect_fixup_scalar_cycles_with_patterns): Only
1824         fixup the cycle if all stmts are in a pattern.
1826 2016-01-11  Uros Bizjak  <ubizjak@gmail.com>
1828         PR middle-end/68999
1829         * alias.c (base_alias_check): Move check for addresses with
1830         alignment ANDs before the call for compare_base_decls.
1831         (memrefs_conflict_p): Return -1 for different decls
1832         that went through alignment adjustments.
1834 2016-01-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1836         PR rtl-optimization/68796
1837         * config/aarch64/aarch64.md (*and<mode>_compare0): New pattern.
1838         * config/aarch64/aarch64.c (aarch64_select_cc_mode): Handle HImode
1839         and QImode comparisons against zero with CC_NZmode.
1840         * config/aarch64/iterators.md (short_mask): New mode_attr.
1842 2016-01-11  H.J. Lu  <hongjiu.lu@intel.com>
1844         * config/i386/sse.md (<avx512>_load<mode>_mask): Remove snprintf.
1845         (<avx512>_store<mode>_mask): Likewise.
1847 2016-01-11  Bernd Schmidt  <bschmidt@redhat.com>
1848             Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1850         PR rtl-optimization/68841
1851         * ifcvt.c (struct noce_if_info): Add orig_x field.
1852         (bbs_ok_for_cmove_arith): Add to_rename parameter.
1853         Don't record conflicts on to_rename if it's present.
1854         Allow memory destinations in sets.
1855         (noce_try_cmove_arith): Call bbs_ok_for_cmove_arith even on simple
1856         blocks, passing orig_x to the checks.
1857         (noce_process_if_block): Set if_info->orig_x appropriately.
1859 2016-01-11  Tom de Vries  <tom@codesourcery.com>
1861         PR tree-optimization/69069
1862         * tree-parloops.c (create_parallel_loop): Add missing phi args.
1864 2016-01-11  Yuri Rumyantsev  <ysrumyan@gmail.com>
1866         PR rtl-optimization/68920
1867         * config/i386/i386.c (ix86_option_override_internal): Restrict number
1868         of conditional moves for  RTL if-conversion to 1 for
1869         TARGET_ONE_IF_CONV_INSN.
1870         * config/i386/i386.h (TARGET_ONE_IF_CONV_INSN): New macros.
1871         * config/i386/x86-tune.def (X86_TUNE_ONE_IF_CONV_INSN): New macros.
1872         * params.def (PARAM_MAX_RTL_IF_CONVERSION_INSNS) : Introduce new
1873         parameter to restirct number of conditional moves for
1874         RTL if-conversion.
1875         * doc/invoke.texi (max-rtl-if-conversion-insns): Document it.
1876         * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Limit number of
1877         conditionl moves.
1879 2016-01-11  Alexandre Oliva  <aoliva@redhat.com>
1881         PR bootstrap/69123
1882         * var-tracking.c (drop_overlapping_mem_locs): Operate on all
1883         onepart vars.  Fix typo in comment.  Fix reversed condition in
1884         unshare test.
1885         (dataflow_set_remove_mem_locs): Operate on all onepart vars.
1887         PR bootstrap/69123
1888         * var-tracking.c (dump_onepart_variable_differences): New.
1889         (dataflow_set_different): If a detailed dump is requested,
1890         delay early returns and dump differences between onepart
1891         variables present before and after, and added variables.
1893 2016-01-11  Ilya Enkovich  <enkovich.gnu@gmail.com>
1895         PR target/69010
1896         * expr.c (expand_expr_real_1): For boolean vector constants
1897         with a scalar mode use const_scalar_mask_from_tree.
1898         (const_scalar_mask_from_tree): New.
1899         * optabs.c (expand_vec_cond_mask_expr): Use mask mode
1900         assigned to a mask type to handle constants.
1902 2016-01-11  Martin Jambor  <mjambor@suse.cz>
1904         PR ipa/69044
1905         * ipa-cp.c (estimate_local_effects): Do not clone for removal of
1906         useless parameters if we cannot change function signature.
1908 2016-01-11  Martin Jambor  <mjambor@suse.cz>
1910         PR ipa/66616
1911         * cgraphclones.c (duplicate_thunk_for_node): Copy can_change_signature
1912         flag.
1914 2016-01-11  Tom de Vries  <tom@codesourcery.com>
1916         PR tree-optimization/69109
1917         * tree-parloops.c (try_transform_to_exit_first_loop_alt): Don't allow
1918         latch with phi.
1920 2016-01-11  Tom de Vries  <tom@codesourcery.com>
1922         PR tree-optimization/69108
1923         * tree-parloops.c (gather_scalar_reductions): Handle case that outer phi
1924         res is not used in a phi.
1926 2016-01-11  Yury Gribov  <y.gribov@samsung.com>
1928         PR 67425
1929         * common.opt (frandom-seed): Fix parameter name.
1930         * doc/invoke.texi (frandom-seed): Ditto and describe parameter.
1932 2016-01-11  Tom de Vries  <tom@codesourcery.com>
1934         PR tree-optimization/69058
1935         * tree-parloops.c (pass_parallelize_loops::execute): Return 0 if libgomp
1936         not supported.
1938 2016-01-11  Andrew Burgess  <andrew.burgess@embecosm.com>
1940         * config/arc/arc.opt (mdiv-rem): Add period to the end.
1941         (mcode-density): Likewise.
1943 2016-01-10  Tom de Vries  <tom@codesourcery.com>
1945         PR tree-optimization/69062
1946         * tree-parloops.c (loop_has_phi_with_address_arg): New function.
1947         (parallelize_loops): Don't paralelize loop that has phi with address
1948         arg.
1950 2016-01-10  Tom de Vries  <tom@codesourcery.com>
1952         PR tree-optimization/69039
1953         * tree-parloops.c (try_create_reduction_list): Only allow single exit
1954         phi for reduction.
1956 2016-01-09  John David Anglin  <danglin@gcc.gnu.org>
1958         PR middle-end/68743
1959         * match.pd: Require target has function_c99_misc before doing
1960         truncl(extend(x)) and trunc(extend(x)) -> extend(truncf(x)), etc.
1961         
1962 2016-01-09  Gerald Pfeifer  <gerald@pfeifer.com>
1964         * configure.ac (isl_options_set_schedule_serialize_sccs): Also 
1965         use GMPINC.
1966         * configure: Regenerate.
1968 2016-01-09  Jakub Jelinek  <jakub@redhat.com>
1970         PR middle-end/50865
1971         PR tree-optimization/69097
1972         * fold-const.h (expr_not_equal_to): New prototype.
1973         * fold-const.c: Include stringpool.h and tree-ssanames.h.
1974         (expr_not_equal_to): New function.
1975         * match.pd (X % -Y is the same as X % Y): Don't optimize
1976         unless X is known not to be equal to minimum or Y is known
1977         not to be equal to -1.
1978         * tree-vrp.c (simplify_div_or_mod_using_ranges): Add GSI argument.
1979         fold TRUNC_MOD_EXPR if the second argument is not a power of two.
1980         (simplify_stmt_using_ranges): Adjust caller.
1981         (vrp_finalize): Call set_value_range on SSA_NAMEs before calling
1982         substitute_and_fold.
1984 2016-01-09  Jan Hubicka  <hubicka@ucw.cz>
1986         * ipa-icf.c (sem_item_optimizer::merge_classes): Do not ICE on VAR_DECL
1987         w/o DECL_NAME.
1989 2016-01-08  Jakub Jelinek  <jakub@redhat.com>
1991         PR tree-optimization/69167
1992         * gimple-fold.c (replace_stmt_with_simplification): Also punt if
1993         new SSA_NAME_OCCURS_IN_ABNORMAL_PHI SSA_NAMEs appear in operands of
1994         ops[0] comparison.
1995         * gimple-match-head.c (maybe_push_res_to_seq): Likewise.
1997 2016-01-08  Alan Lawrence  <alan.lawrence@arm.com>
1998             Richard Biener  <rguenther@suse.de>
2000         PR tree-optimization/68707
2001         * tree-vect-slp.c (vect_analyze_slp_instance): Cancel permuted SLP
2002         instances that can be handled via vect_load_lanes.
2004 2016-01-08  Uros Bizjak  <ubizjak@gmail.com>
2006         * symtab.c (symtab_node::equal_address_to): Return -1 instead of 2
2007         if we can't determine address equivalence.
2008         * alias.c (compare_base_decl): Update for changed return value of
2009         symtab_node::equal_address_to.
2011 2016-01-08  Jason Merrill  <jason@redhat.com>
2013         PR c++/68983
2014         PR c++/67557
2015         * function.c (assign_temp): Guard against TREE_ADDRESSABLE types here.
2016         * expr.c (store_field): Not here.
2017         * tree-cfgcleanup.c (fixup_noreturn_call): Don't clear LHS of a
2018         call with TREE_ADDRESSABLE type.
2019         * tree-cfg.c (verify_gimple_call): Adjust.
2021 2016-01-08  Olivier Hainque  <hainque@adacore.com>
2023         * config/vxworks.h (VXWORKS_LIBGCC_SPEC): Don't link shared RTPs with
2024         libc_internal.
2026 2016-01-08  Alan Lawrence  <alan.lawrence@arm.com>
2028         * gcc.target/rs6000/paired.md (reduc_smax_v2sf): Rename to...
2029         (reduc_smax_scal_v2sf): ...here, make result SFmode, extract element.
2030         (reduc_smin_v2sf): Rename to...
2031         (reduc_smin_scal_v2sf): ...here, make result SFmode, extract element.
2032         (reduc_splus_v2sf): Rename to...
2033         (reduc_plus_scal_v2sf): ...here, make result SFmode, extract element.
2035 2016-01-08  Jakub Jelinek  <jakub@redhat.com>
2037         PR tree-optimization/69162
2038         * gimplify.c (gimplify_va_arg_expr): Encode original type of
2039         valist argument in another argument.
2040         (gimplify_modify_expr): Adjust for the above change.  Cleanup.
2041         * tree-stdarg.c (expand_ifn_va_arg_1): Use new 3rd argument
2042         to determine the va_list type, build a MEM_REF instead of
2043         build_fold_indirect_ref.
2045         PR tree-optimization/69172
2046         * gimple-fold.c (gimple_fold_builtin_memory_chk): Pass type to
2047         gimple_build.
2049 2016-01-08  Thomas Preud'homme  <thomas.preudhomme@arm.com>
2051         PR tree-optimization/67781
2052         * tree-ssa-math-opts.c (find_bswap_or_nop): Zero out bytes in cmpxchg
2053         and cmpnop in two steps: first the ones not accessed in original
2054         gimple expression in a endian independent way and then the ones not
2055         accessed in the final result in an endian-specific way.
2057 2016-01-08  Jakub Jelinek  <jakub@redhat.com>
2059         PR tree-optimization/69083
2060         * tree-vect-slp.c (vect_get_constant_vectors): For
2061         VECTOR_BOOLEAN_TYPE_P assert op is fold_convertible_p to vector_type's
2062         element type.  If op is fold_convertible_p to vector_type's element
2063         type, use NOP_EXPR instead of VCE.
2065 2016-01-08  Segher Boessenkool  <segher@kernel.crashing.org>
2067         PR rtl-optimization/67778
2068         PR rtl-optimization/68634
2069         PR rtl-optimization/68909
2070         * shrink-wrap.c (try_shrink_wrapping): Add comment.  Don't pop
2071         block from the stack until done with it.  Remove a superfluous
2072         bitmap set.  Remove a superfluous bitmap test.
2074 2016-01-07  Martin Sebor  <msebor@redhat.com>
2076         PR c/68966
2077         * doc/extend.texi (__atomic Builtins, __sync Builtins): Document
2078         constraint on the type of arguments.
2080 2016-01-07  Andreas Tobler  <andreast@gcc.gnu.org>
2082         * config/arm/freebsd.h: Rename SUBTARGET_OVERRIDE_OPTIONS to
2083         SUBTARGET_OVERRIDE_INTERNAL_OPTIONS. Adjust to check
2084         unaligned_access on the gcc_options set.
2085         * config/arm/arm.c (arm_option_override_internal): Use
2086         SUBTARGET_OVERRIDE_INTERNAL_OPTIONS.
2088 2016-01-07  Uros Bizjak  <ubizjak@gmail.com>
2090         PR target/69140
2091         * config/i386/i386.c (ix86_frame_pointer_required): Enable
2092         frame pointer for TARGET_64BIT_MS_ABI when stack is misaligned.
2094 2016-01-07  Uros Bizjak  <ubizjak@gmail.com>
2096         Revert
2097         2016-01-06  Uros Bizjak  <ubizjak@gmail.com>
2099         PR target/69140
2100         * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
2101         depending on frame_pointer_needed before remaining integer and SSE
2102         registers are saved.
2104 2016-01-07  Sandra Loosemore  <sandra@codesourcery.com>
2106         PR 1078
2107         * doc/extend.texi (Nvidia PDX Function Attributes): New section.
2109 2016-01-07  H.J. Lu  <hongjiu.lu@intel.com>
2111         PR target/69171
2112         * config/i386/sse.md (<sse>_sqrt<mode>2<mask_name><round_name>):
2113         Use the "xBm" constraint.
2114         (float<sseintvecmodelower><mode>2<mask_name><round_name):
2115         Likewise.
2116         (sse_cvtsi2ss<round_name>): Use round_nimm_scalar_predicate.
2117         (sse_cvtsi2ssq<round_name>): Likewise.
2118         (sse_cvtss2si<round_name>): Likewise.
2119         (sse_cvtss2siq<round_name>): Likewise.
2120         (sse2_cvtsi2sdq<round_name>): Likewise.
2121         (sse2_cvtsd2si<round_name>): Likewise.
2122         (sse2_cvtsd2siq<round_name>): Likewise.
2123         * config/i386/subst.md (round_nimm_scalar_predicate): New
2124         predicate.
2126 2015-12-15  Bernd Schmidt  <bschmidt@redhat.com>
2128         PR middle-end/67639
2129         * varasm.c (make_decl_rtl): Mark invalid register vars as
2130         DECL_EXTERNAL.
2132         PR rtl-optimization/66206
2133         * bt-load.c (find_btr_use): Change first arg to be a pointer to an rtx.
2134         All callers changed.
2136 2016-01-07  Jakub Jelinek  <jakub@redhat.com>
2138         PR tree-optimization/69141
2139         * tree-ssa-pre.c: Include langhooks.h.
2140         (eliminate_dom_walker::before_dom_children): Use
2141         lang_hooks.decl_printable_name instead of
2142         cgraph_node::get ()->name ().
2144         PR middle-end/68960
2145         * gimple-expr.c (copy_var_decl): If var has DECL_USER_ALIGN set, copy
2146         it and DECL_ALIGN too.
2148 2016-01-06  Robert Suchanek  <robert.suchanek@imgtec.com>
2150         * config/mips/mips-ftypes.def: Sort to lexicographical order.
2152 2016-01-06  Uros Bizjak  <ubizjak@gmail.com>
2154         PR target/69140
2155         * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
2156         depending on frame_pointer_needed before remaining integer and SSE
2157         registers are saved.
2159 2015-01-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2161         * config/rs6000/vsx.md (*p9_vecload_<mode>): Replace VSX_M
2162         mode iterator with VSX_M2.
2163         (*p9_vecstore_<mode>): Likewise.
2164         (*vsx_le_permute_<mode>): Restrict to !TARGET_P9_VECTOR.
2165         (*vsx_le_perm_load_<mode> for VSX_LE_128): Likewise.
2166         (*vsx_le_perm_store_<mode> for VSX_LE_128): Likewise.
2167         (define_split for VSX_LE128 stores): Likewise.
2168         (define_peephole2 for TImode LE swaps): Likewise.
2169         (define_split for VSX_LE128 post-reload stores): Likewise.
2171 2016-01-06  Marek Polacek  <polacek@redhat.com>
2173         PR sanitizer/69099
2174         * convert.c (convert_to_integer_1): Adjust call to
2175         ubsan_instrument_float_cast.  Use NULL_TREE instead of NULL.
2176         * ubsan.c (ubsan_instrument_float_cast): Drop the ARG parameter.  Use
2177         EXPR instead of ARG.
2178         * ubsan.h (ubsan_instrument_float_cast): Adjust declaration.
2180 2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>
2182         PR 1078
2183         * doc/extend.texi (RL78 Variable Attributes): New section.
2185 2016-01-05  Marek Polacek  <polacek@redhat.com>
2187         PR c/69104
2188         * builtins.c (get_memmodel): Use expansion point location rather than
2189         the input location.  Call warning_at rather than warning.
2190         (expand_builtin_atomic_compare_exchange): Likewise.
2191         (expand_builtin_atomic_load): Likewise.
2192         (expand_builtin_atomic_store): Likewise.
2193         (expand_builtin_atomic_clear): Likewise.
2195 2016-01-05  H.J. Lu  <hongjiu.lu@intel.com>
2197         PR target/68991
2198         * config/i386/i386.c (ix86_expand_vector_logical_operator):
2199         Replace nonimmediate_operand with vector_operand.
2200         * config/i386/predicates.md (vector_operand): New predicate.
2201         (general_vector_operand): Replace nonimmediate_operand with
2202         vector_operand.
2203         * config/i386/sse.md: Replace nonimmediate_operand with
2204         vector_operand and m constraint with Bm constraint on SSE
2205         patterns with 16-byte memory operand.
2206         * config/i386/subst.md (round_nimm_predicate): Replace
2207         nonimmediate_operand with vector_operand.
2208         (round_saeonly_nimm_predicate): Likewise.
2209         (round_saeonly_nimm_scalar_predicate): New.
2211 2016-01-05  H.J. Lu  <hongjiu.lu@intel.com>
2213         PR target/68991
2214         * config/i386/constraints.md (Bm): New constraint.
2215         * config/i386/predicates.md (vector_memory_operand): New
2216         predicate.
2217         * config/i386/sse.md: Replace xm with xBm in plusminus and
2218         any_logic patterns.
2220 2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>
2222         PR 1078
2223         * doc/extend.texi (V850 Function Attributes): New section.
2224         (V850 Variable Attributes): New section.
2226 2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>
2228         PR 1078
2229         * doc/extend.texi (MicroBlaze Function Attributes): Document
2230         interrupt_handler and fast_interrupt attributes.
2232 2016-01-05  Sergei Trofimovich  <siarheit@google.com>
2234         PR other/60465
2235         * config/ia64/ia64.c (ia64_expand_load_address): Use gprel64
2236         for local symbolic operands.
2237         * config/ia64/predicates.md (local_symbolic_operand64): New
2238         predicate.
2240 2016-01-05  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2242         PR rtl-optimization/68651
2243         * combine.c (combine_simplify_rtx): Canonicalize x + x into
2244         x << 1.
2246 2016-01-05  Nathan Sidwell  <nathan@acm.org>
2248         * alias.c (compare_base_decls): Use symtab_node::get.
2250 2016-01-05  Nick Clifton  <nickc@redhat.com>
2252         PR target/68770
2253         * ira-costs.c (copy_cost): Initialise the t_icode field of the
2254         secondary_reload_info structure.
2256         PR target/66655
2257         * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Define to use weak
2258         decls if weak support is available.
2260 2016-01-04  Martin Sebor  <msebor@redhat.com>
2262         * doc/invoke.texi (Warning Options): Document -Winvalid-memory-model.
2264 2016-01-04  Michael Meissner  <meissner@linux.vnet.ibm.com>
2266         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Add
2267         OPTION_MASK_P9_DFORM.
2269         * config/rs6000/constraints.md (wo constraint): New constraint for
2270         ISA 3.0 (power9).
2272         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Add support
2273         for wo constraint.
2274         (rs6000_init_hard_regno_mode_ok): Likewise.
2276         * config/rs6000/rs6000.h (r6000_reg_class_enum): Add support for
2277         wo constraint.
2279         * config/rs6000/altivec.md (altivec_vperm_<mode>): Clean up vperm
2280         expanders not to have constraints.  Add support for ISA 3.0 xxperm
2281         instruction.  Add support for fusing xxlor with xxperm.
2282         (altivec_vperm_<mode>_internal): Likewise.
2283         (altivec_vperm_v8hiv16qi): Likewise.
2284         (altivec_vperm_<mode>v16q): Likewise.
2285         (altivec_vperm_<mode>_uns): Likewise.
2286         (vperm_v8hiv4si): Likewise.
2287         (vperm_v16qiv8hi): Likewise.
2289         * doc/md.texi (RS/6000 constraints): Document wo constraint.
2291 2016-01-04  Jakub Jelinek  <jakub@redhat.com>
2293         Update copyright years.
2295         * gcc.c (process_command): Update copyright notice dates.
2296         * gcov-dump.c (print_version): Ditto.
2297         * gcov.c (print_version): Ditto.
2298         * gcov-tool.c (print_version): Ditto.
2299         * gengtype.c (create_file): Ditto.
2300         * doc/cpp.texi: Bump @copying's copyright year.
2301         * doc/cppinternals.texi: Ditto.
2302         * doc/gcc.texi: Ditto.
2303         * doc/gccint.texi: Ditto.
2304         * doc/gcov.texi: Ditto.
2305         * doc/install.texi: Ditto.
2306         * doc/invoke.texi: Ditto.
2308 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
2310         * config/arm/arm.c (aapcs_vfp_allocate_return_reg): Treat all integer
2311         modes larger than TImode as TImode if NEON is not enabled.
2313 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
2315         PR target/69100
2316         * config/sparc/sparc.h (FUNCTION_ARG_REGNO_P): Return true in 64-bit
2317         mode for %f0-%f31 only if TARGET_FPU.
2319 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
2321         PR target/69072
2322         * config/sparc/sparc.c (scan_record_type): Take into account subfields
2323         to compute the PACKED_P predicate.
2324         (function_arg_record_value): Minor tweaks.
2326 2016-01-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
2328         * doc/install.texi (--with-multilib-list): Describe the meaning of the
2329         option for arm*-*-* targets.
2331 2016-01-03  Sandra Loosemore  <sandra@codesourcery.com>
2333         * doc/extend.texi (Common Function Attributes): Move docs for
2334         MSP430-specific attributes to....
2335         (MSP430 Function Attributes): ...here.  Delete the redundant
2336         entries and copy-edit the remaining text.
2337         (MSP430 Variable Attributes): Use uniform format for index
2338         entries and add a cross-reference to the corresponding function
2339         attribute docs.
2341 2016-01-03  Vladimír Čunát  <vcunat@gmail.com>
2343         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix
2344         -finite-math typo.
2345         (x86 Options): Likewise.
2347 2016-01-01  Sandra Loosemore  <sandra@codesourcery.com>
2349         PR 1078
2351         * extend.texi (Common Function Attributes) <no_stack_limit>: New.
2352         * invoke.texi (Code Gen Options) <-fno-stack-limit>: Add pointer
2353         to corresponding attribute.
2355 2016-01-01  Sandra Loosemore  <sandra@codesourcery.com>
2357         * doc/extend.texi (Common Function Attributes) <noplt>: Move
2358         to correct alphabetization of table.  Copy-edit and correct
2359         markup.
2360         <stack_protect>: Likewise.
2361         <target_clones>: Likewise.
2362         <simd>: Likewise.
2363         * doc/invoke.texi (Optimize Options) <-fstack-protector-explicit>:
2364         Correct punctuation.
2365         (Code Gen Options) <-fno-plt>: Copy-edit.
2367 2016-01-01  Bernd Edlinger  <bernd.edlinger@hotmail.de>
2369         PR target/68917
2370         * config/tilegx/tilegx.md (clzsi2): Don't create DI subregs of
2371         SI values.  Explicitly convert SI to DI and vice-versa.
2373 2016-01-01  Jakub Jelinek  <jakub@redhat.com>
2375         PR tree-optimization/69070
2376         * tree-ssa-math-opts.c (gimple_expand_builtin_pow): Only test
2377         REAL_VALUE_ISSIGNALING_NAN on arg0 if arg0 is a REAL_CST.
2379         PR sanitizer/69055
2380         * ubsan.c (ubsan_instrument_float_cast): Call
2381         initialize_sanitizer_builtins.
2383         PR target/69015
2384         * ifcvt.c (find_cond_trap): Give up if returnjump_p (jump).
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2390 notice and this notice are preserved.