PR target/68609
[official-gcc.git] / gcc / ChangeLog
blob609b135dbb5b1bb1c1f435d1fab65eb06cd757e7
1 2016-01-15  David Edelsohn  <dje.gcc@gmail.com>
3         PR target/68609
4         * config/rs6000/rs6000.c (rs6000_emit_msub): Delete.
5         (rs6000_emit_swsqrt): Convert to Goldschmidt's Algorithm
6         * config/rs6000/rs6000.md (sqrt<mode>2): Limit swsqrt to high
7         precision estimate.
9 2016-01-15  Richard Biener  <rguenther@suse.de>
11         PR tree-optimization/66856
12         * tree-vect-loop.c (vect_transform_loop): Free SLP instances here.
13         * tree-vect-slp.c (vect_free_slp_tree): Decrement stmt reference count.
14         (vect_create_new_slp_node): Increment stmt reference count.
15         (vect_get_and_check_slp_defs): Make sure stmts are nor already in
16         an SLP tree before swapping operands.
17         (vect_build_slp_tree): Likewise.
18         (destroy_bb_vec_info): Free stmt info after SLP instances.
19         * tree-vect-stmts.c (new_stmt_vec_info): Initialize reference count.
20         * tree-vectorizer.h (struct _stmt_vec_info): Add num_slp_uses field.
21         (STMT_VINFO_NUM_SLP_USES): New macro.
23 2016-01-15  Richard Biener  <rguenther@suse.de>
25         PR debug/69137
26         * dwarf2out.c (add_linkage_name_raw): New function split out from ...
27         (add_linkage_name): ... here.
28         (gen_typedef_die): Use add_linkage_name_raw instead of
29         add_linkage_attr to delay DECL_ASSEMBLER_NAME computation
30         if necessary.
32 2016-01-15  Cesar Philippidis  <cesar@codesourcery.com>
34         * gimplify.c (oacc_default_clause): Decode reference and pointer
35         types for both kernels and parallel regions.
37 2016-01-15  Richard Sandiford  <richard.sandiford@arm.com>
39         PR middle-end/69246
40         * calls.c (emit_call_1): Force n_popped to zero for sibcalls.
42 2016-01-15  Ilya Enkovich  <enkovich.gnu@gmail.com>
44         * config/i386/i386.c (scalar_chain::compute_convert_gain): Fix typo.
45         (convert_scalars_to_vector): Likewise.
47 2016-01-15  Jonathan Wakely  <jwakely@redhat.com>
49         * doc/extend.texi (Type Traits): Fix grammar.
51 2016-01-15  Martin Jambor  <mjambor@suse.cz>
53         * tree-inline.c (remap_decl): Use existing dclarations if
54         remapping a type and prevent_decl_creation_for_types.
55         (replace_locals_stmt): Do an initial remapping of non-VLA typed
56         decls first.  Do real remapping with
57         prevent_decl_creation_for_types set.
58         * tree-inline.h (copy_body_data): New field
59         prevent_decl_creation_for_types, moved remap_var_for_cilk to avoid
60         padding.
62 2016-01-15  Dominik Vogt  <vogt@linux.vnet.ibm.com>
64         * config/s390/s390.opt (mmvcle): More verbose help text.
66 2016-01-15  Dominik Vogt  <vogt@linux.vnet.ibm.com>
68         * config/s390/s390.opt: Add period to -mzvector option text.
70 2016-01-15  Richard Biener  <rguenther@suse.de>
72         PR tree-optimization/68961
73         * tree-vect-slp.c (vect_analyze_slp_cost_1): Consider cost
74         of invariants in stores again.
76 2016-01-15  Sebastian Huber  <sebastian.huber@embedded-brains.de>
78         * config/arm/t-rtems: Add cortex-m7/fpv5-d16 multilib.
80 2016-01-15  Ilya Enkovich  <enkovich.gnu@gmail.com>
82         * config/i386/i386.c (ix86_expand_branch): Don't split
83         DI mode xor instruction to SI mode.
85 2016-01-15  Jan Hubicka  <hubicka@ucw.cz>
87         PR ipa/68148
88         * ipa-icf.c (sem_function::merge): Virtual functions may become
89         reachable even if they address is not taken and there are no
90         idrect calls.
92 2016-01-15  Jan Hubicka  <hubicka@ucw.cz>
94         * lto-streamer-out.c (subtract_estimated_size): New function.
95         (get_symbol_initial_value): Use it.
97 2016-01-15  Christian Bruel  <christian.bruel@st.com>
99         PR target/65837
100         * config/arm/arm-builtins.c (ARM_BUILTIN_CRYPTO_BASE): New enum tag.
101         (arm_init_neon_builtins_internal): Rename arm_init_neon_builtins,
102         (arm_init_crypto_builtins_internal): Rename arm_init_crypto_builtins.
103         use add_builtin_function_ext_scope instead of add_builtin_function.
104         (neon_set_p, neon_crypto_set_p): Remove.
105         (arm_init_builtins): Always call arm_init_neon_builtins and
106         arm_init_crypto_builtins.
107         (arm_expand_builtin): Check that builtins are allowed for the arch.
108         * config/arm/arm-protos.h (arm_init_neon_builtins): Remove prototype.
109         * config/arm/arm.c (arm_valid_target_attribute_tree): Remove
110         arm_init_neon_builtins call.
112 2016-01-15  Richard Biener  <rguenther@suse.de>
114         PR tree-optimization/69117
115         * tree-ssa-sccvn.h (struct vn_ssa_aux): Add info member.
116         * tree-ssa-sccvn.c (set_ssa_val_to): Save and adjust SSA name info
117         of the leader conservatively.
118         (free_scc_vn): Restore original SSA name infos.
120 2016-01-14  Jeff Law  <law@redhat.com>
122         PR tree-optimization/69270
123         * tree-ssa-dom.c (ssa_name_has_boolean_range): If the type has a
124         single bit of precision, verify it's also unsigned.
125         (record_edge_info): Use constant_boolean_node rather than fold_convert
126         to convert boolean_true/boolean_false to the right type.
128 2016-01-14  Richard Henderson  <rth@redhat.com>
130         PR rtl-opt/69014
131         * loop-doloop.c (record_reg_sets): New.
132         (doloop_optimize): Reject the transform if the sequence
133         clobbers registers live at the end of the loop block.
134         (doloop_optimize_loops): Enable df_live if needed. 
136 2016-01-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
138         * config/rs6000/rs6000-builtin.def: Revert 2016-01-13 change.
139         * gcc/config/rs6000/rs6000.c: Likewise.
140         * gcc/config/rs6000/rs6000.h: Likewise.
141         * gcc/config/rs6000/rs6000.md: Likewise.
142         * gcc/doc/extend.texi: Likewsie.
144 2016-01-14  Jeff Law  <law@redhat.com>
146         * tree-ssa-dom.c (ssa_name_has_boolean_range): Fix comment
147         typo.
149 2016-01-14  Richard Henderson  <rth@redhat.com>
151         PR c/69272
152         PR tree-opt/68964
153         * trans-mem.c (tm_log_emit_stmt): Fix unit size to bit size.
154         * tree.c (build_tm_vector_builtins): Use builtin_decl_explicit_p
155         instead of builtin_decl_declared_p to test for declaration.
157 2016-01-14  Nicklas Bo Jensen  <nbjensen@gmail.com>
159         * doc/loop.texi (Loop Analysis and Representation): Document
160         loop_depth function.
162 2016-01-14  Tom de Vries  <tom@codesourcery.com>
164         PR tree-optimization/68773
165         * omp-low.c (expand_omp_target): Don't set force_output.
166         * varpool.c (varpool_node::get_create): Same.
167         * lto-cgraph.c (input_offload_tables): Mark entries in offload_vars and
168         offload_funcs with force_output.
170 2016-01-14  Jakub Jelinek  <jakub@redhat.com>
172         PR debug/69244
173         * lra-eliminations.c (move_plus_up): Don't change anything if either
174         the outer or inner subreg mode is not MODE_INT.
175         * dwarf2out.c (mem_loc_descriptor): For SUBREG, if outer mode is
176         integral <= DWARF2_ADDR_SIZE, convert to untyped afterwards.
178 2016-01-14  Alan Lawrence  <alan.lawrence@arm.com>
180         * doc/md.texi (reduc_smin_@var{m}, reduc_smax_@var{m},
181         reduc_umin_@var{m}, reduc_umax_@var{m}, reduc_splus_@var{m},
182         reduc_uplus_@var{m}): Remove.
183         * expr.c (expand_expr_real_2): Remove expansion path for
184         reduc_[us](min|max|plus) optabs.
185         * optabs-tree.c (scalar_reduc_to_vector): Remove.
186         * optabs-tree.h (scalar_reduc_to_vector): Remove.
187         * optabs.def (reduc_smax_optab, reduc_smin_optab, reduc_splus_optab,
188         reduc_umax_optab, reduc_umin_optab, reduc_uplus_optab): Remove.
189         * tree-vect-loop.c (vectorizable_reduction): Remove test for
190         reduc_[us](min|max|plus) optabs.
192 2016-01-14  Alan Lawrence  <alan.lawrence@arm.com>
194         * config/mips/mips-ps-3d.md (reduc_splus_v2sf): Remove.
195         (reduc_plus_scal_v2sf): New.
196         (reduc_smax_v2sf): Rename to...
197         (reduc_smax_scal_v2sf): ...here, make result SFmode, add vec_extract.
198         (reduc_smin_v2sf): Rename to...
199         (reduc_smin_scal_v2sf): ...here, make result SFmode, add vec_extract.
201 2016-01-14  Jan Hubicka  <hubicka@ucw.cz>
203         * alias.c (compare_base_symbol_refs): New function.
204         (rtx_equal_for_memref_p, base_alias_check, memrefs_conflict_p): Use
205         it.
207 2016-01-14  Jakub Jelinek  <jakub@redhat.com>
209         PR middle-end/68146
210         PR tree-optimization/69155
211         * tree-complex.c: Include cfganal.h.
212         (phis_to_revisit): New variable.
213         (extract_component): Add phiarg_p argument.  Assert that returned
214         SSA_NAME has non-NULL SSA_NAME_DEF_STMT unless phiarg_p is true.
215         (update_phi_components): Partly rewrite to use loop over real/imag
216         components instead of code duplication.  If extract_component returns
217         SSA_NAME with NULL SSA_NAME_DEF_STMT, store SSA_NAME_VAR or
218         create_tmp_reg into the PHI node instead, and mention the phi triplet
219         in phis_to_revisit.
220         (tree_lower_complex): Walk bbs in rpo order.  Adjust phis recorded
221         in phis_to_revisit at the end.
223 2016-01-14  Richard Biener  <rguenther@suse.de>
225         PR tree-optimization/68060
226         * tree-vect-loop.c (vect_is_simple_reduction): Check the
227         outer loop reduction is only used in the inner loop before
228         detecting a double reduction.
230 2016-01-14  Jakub Jelinek  <jakub@redhat.com>
232         PR target/68269
233         * combine.c (expand_field_assignment): Punt if compute_mode is
234         unsupported scalar mode.
236 2016-01-14  Richard Biener  <rguenther@suse.de>
238         PR tree-optimization/66856
239         * tree-vect-slp.c (vect_build_slp_tree): Refactor to build
240         SLP node only if it built successfully.
241         (vect_analyze_slp_instance): Adjust.
243 2016-01-14  Jeff Law  <law@redhat.com>
245         PR tree-optimization/69270
246         * tree-ssa-dom.c (ssa_name_has_boolean_range): New function.
247         (record_edge_info): Use it.  Convert boolean_{true,false}_node
248         to the type of op0.
250 2016-01-13  Jan Hubicka  <hubicka@ucw.cz>
252         PR ipa/66487
253         * ipa-polymorphic-call.c (inlined_polymorphic_ctor_dtor_block_p):
254         use block_ultimate_origin
255         (noncall-stmt_may_be_vtbl_ptr_store): Likewise.
257 2016-01-13  Sandra Loosemore <sandra@codesourcery.com>
259         * doc/invoke.texi (Submodel Options): Rename section to
260         "Machine-Dependent Options" to better reflect its content.
261         Rewrite introductory text to remove archaic CPU names.
262         Update references.
264 2016-01-13  Sandra Loosemore <sandra@codesourcery.com>
266         * doc/invoke.texi (Code Gen Options): Move section up in file,
267         before target-specific options.  Update menu and option summary
268         to reflect the new section ordering.
270 2016-01-13  Jonathan Wakely  <jwakely@redhat.com>
272         * doc/invoke.texi (C Dialect Options): Adjust -std default for C++.
273         (C++ Dialect Options): Add cross-reference to -std option.
274         * doc/standards.texi (C++ Language): Document C++14 support.
276 2016-01-13  Michael Meissner  <meissner@linux.vnet.ibm.com>
278         * config/rs6000/rs6000-builtin.def (BU_FLOAT128_2): Add support
279         for pack/unpack functions for __ibm128.
280         (PACK_IF): Likewise.
281         (UNPACK_IF): Likewise.
283         * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Add
284         support for __ibm128 pack/unpack functions.
285         (rs6000_invalid_builtin): Likewise.
286         (rs6000_init_builtins): Likewise.
287         (rs6000_opt_masks): Likewise.
289         * config/rs6000/rs6000.h (MASK_FLOAT128): Add short name.
290         (RS6000_BTM_FLOAT128): Add support for __ibm128 pack/unpack
291         functions
292         (RS6000_BTM_COMMON): Likewise.
294         * config/rs6000/rs6000.md (f128_vsx): New mode attribute.
295         (unpack<mode>): Use FMOVE128_FPR iterator instead of FMOVE128, to
296         disallow __builtin_{pack,unpack}_longdouble if long double is IEEE
297         128-bit floating point.  Add support for the double values to be
298         in Altivec registers for TF/IF packing and unpacking, but restrict
299         TD packing sub-fields to be FPR registers.  Don't allow overlapped
300         register support for packing.  Allow pack inputs to be memory
301         locations.  Don't build generator functions for unpack<mode>_dm
302         and unpack<mode>_nodm.
303         (unpack<mode>_dm): Likewise.
304         (unpack<mode>_nodm): Likewise.
305         (pack<mode>): Likewise.
307         * config/rs6000/rs6000-builtin.def (__builtin_pack_ibm128): Add
308         built-in functions to pack/unpack explicit __ibm128 values.
309         (__builtin_unpack_ibm128): Likewise.
311         * doc/extend.texi (PowerPC Built-in Functions): Document
312         __builtin_pack_ibm128 and __builtin_unpack_ibm128.
314 2016-01-13  Bernd Schmidt  <bschmidt@redhat.com>
316         PR c/66208
317         * c-common.c (check_function_nonnull): Remove unnecessary declaration.
318         Add new arg loc and pass it down as context.
319         (check_nonnull_arg): Don't mark ctx arg as unused. Use it as a pointer
320         to the location to use for the warning.
321         (check_function_arguments): New arg loc.  All callers changed.  Pass
322         it to check_function_nonnull.
323         * c-common.h (check_function_arguments): Adjust declaration.
325 2016-01-13  Jakub Jelinek  <jakub@redhat.com>
327         PR tree-optimization/69156
328         * gimple.c (validate_type): Removed.
329         (gimple_builtin_call_types_compatible_p): Use
330         useless_type_conversion_p instead of validate_type.
331         * value-prof.c (gimple_stringop_fixed_value): Fold
332         icall_size to correct type.
334 2016-01-13  Jonathan Wakely  <jwakely@redhat.com>
336         * doc/extend.texi (__atomic Builtins): Clarify compare_exchange
337         effects.
339 2016-01-13  Richard Henderson  <rth@redhat.com>
341         PR tree-opt/68964
342         * target.def (builtin_tm_load, builtin_tm_store): Remove.
343         * config/i386/i386.c (ix86_builtin_tm_load): Remove.
344         (ix86_builtin_tm_store): Remove.
345         (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
346         (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
347         * doc/tm.texi.in (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
348         (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
349         * doc/tm.texi: Rebuild.
351         * gtm-builtins.def (BUILT_IN_TM_MEMCPY_RNWT): New.
352         (BUILT_IN_TM_MEMCPY_RTWN): New.
353         * trans-mem.c (tm_log_emit_stmt): Rearrange code for better
354         fallback from vector to integer helpers.
355         (build_tm_load): Handle vector types directly, instead of
356         via target hook.
357         (build_tm_store): Likewise.
358         (expand_assign_tm): Prepare for register types not handled by
359         the above.  Copy them to memory and use memcpy.
360         * tree.c (tm_define_builtin): New.
361         (find_tm_vector_type): New.
362         (build_tm_vector_builtins): New.
363         (build_common_builtin_nodes): Call it.
365 2016-01-13  Uros Bizjak  <ubizjak@gmail.com>
367         * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Return -1 for
368         TARGET_SSE_MATH without TARGET_SSE2.  Rewrite.
370 2016-01-13  Tom de Vries  <tom@codesourcery.com>
372         PR tree-optimization/69169
373         * tree-ssa-structalias.c (create_variable_info_for_1): Add and handle
374         handled_struct_type param.
375         (create_variable_info_for, intra_create_variable_infos): Call
376         create_variable_info_for_1 with extra arg.
378 2016-01-13  Yvan Roux  <yvan.roux@linaro.org>
380         * config/arm/arm-arches.def: Remove spurious whitespace in "armv8.1-a"
381         and "armv8.1-a+crc" entries.
383 2016-01-13  Alexander Fomin  <alexander.fomin@intel.com>
385         PR target/69228
386         * config/i386/sse.md (define_expand "avx512pf_gatherpf<mode>sf"):
387         Change first operand predicate from register_or_constm1_operand
388         to register_operand.
389         (define_expand "avx512pf_gatherpf<mode>df"): Likewise.
390         (define_expand "avx512pf_scatterpf<mode>sf"): Likewise.
391         (define_expand "avx512pf_scatterpf<mode>df"): Likewise.
392         (define_insn "*avx512pf_gatherpf<mode>sf"): Remove.
393         (define_insn "*avx512pf_gatherpf<mode>df"): Likewise.
394         (define_insn "*avx512pf_scatterpf<mode>sf"): Likewise.
395         (define_insn "*avx512pf_scatterpf<mode>df"): Likewise.
396         * config/i386/i386.c (ix86_expand_builtin): Remove first operand
397         comparison with constm1_rtx from vec_prefetch_gen part.
399 2016-01-13  Richard Biener  <rguenther@suse.de>
401         PR tree-optimization/69013
402         * tree-ssa-uninit.c (prune_uninit_phi_opnds_in_unrealizable_paths):
403         Exchange assert for a test.
405 2016-01-13  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
407         PR target/69247
408         * config/s390/s390.md (bswaphi splitter): Use simplify_gen_subreg.
410 2016-01-13  Richard Biener  <rguenther@suse.de>
412         PR tree-optimization/69242
413         * tree-ssa-sccvn.c (visit_reference_op_load): Replace bogus
414         assert with a check.
416 2016-01-13  Richard Biener  <rguenther@suse.de>
418         PR tree-optimization/69186
419         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
420         Properly guard vect_update_misalignment_for_peel call.
422 2016-01-12  Jeff Law  <law@redhat.com>
424         PR tree-optimization/pr67755
425         * tree-ssa-threadupdate.c (struct ssa_local_info_t): Add new field
426         "need_profile_correction".
427         (thread_block_1): Initialize new field to false by default.  If we
428         have multiple thread paths through a common joiner to different
429         final targets, then set new field to true.
430         (compute_path_counts): Only do count adjustment when it's really
431         needed.
433 2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>
435         * doc/invoke.texi (Spec Files): Move section down in file, past
436         all command-line option descriptions.
438 2016-01-12  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
440         PR middle-end/54809
441         * doc/gty.texi: Remove documentation of mark_hook.
442         * gengtype.c (struct write_types_data): Remove code to support
443         mark_hook attribute.
444         (walk_type): Likewise.
445         (write_func_for_structure): Likewise.
447 2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>
449         * doc/invoke.texi (Option Summary) Move -no-canonical-prefixes to
450         Directory Options, and -specs= to Overall Options.
451         (Overall Options): Adjust similarly.  Reorder to group related
452         options together.  Make -specs= cross-reference the spec file details.
453         (Directory Options): Adjust similarly.
455 2016-01-12  Jeff Law  <law@redhat.com>
457         * tree-ssa-threadupdate.c: Various whitespace and typo fixes.
459 2016-01-12  Olivier Hainque  <hainque@adacore.com>
461         * gcc.c (spec_undefvar_allowed): New global.
462         (process_command): Set to true when running for --version or --help,
463         alone or together.
464         (getenv_spec_function): When the variable is not defined, use the
465         variable name as the variable value if we're allowed not to issue
466         a fatal error.
468 2016-01-12  Bin Cheng  <bin.cheng@arm.com>
470         PR tree-optimization/68911
471         * tree-vrp.c (adjust_range_with_scev): Check overflow in range
472         information computed for expression "init + nit * step".
474 2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>
476         * doc/invoke.texi (Invoking GCC): Copy-edit.  Incorporate information
477         about name of GCC executable.  Remove deleted node from menu.
478         (Directory Options) <-B>: Remove cross-reference to deleted node.
479         (Target Options): Delete section.
481 2016-01-12  Christian Bruel  <christian.bruel@st.com>
483         PR target/69180
484         * config/arm/arm-c.c (arm_pragma_target_parse): Set NODE_CONDITIONAL
485         for __ARM_NEON_FP, __ARM_FP, _ARM_FEATURE_LDREX.
487 2016-01-12  Jakub Jelinek  <jakub@redhat.com>
489         PR target/69198
490         * config/i386/i386.c (ix86_expand_special_args_builtin): Ensure
491         aligned_mem is properly set for AVX512-VL floating point masked
492         stores.
494         PR target/69175
495         * ifcvt.c (cond_exec_process_if_block): When removing the last
496         insn from then_bb, remove also any possible barriers that follow it.
498 2016-01-12  H.J. Lu  <hongjiu.lu@intel.com>
500         PR target/68456
501         PR target/69226
502         * config/i386/iamcu.h (SIZE_TYPE): New macro.
503         (PTRDIFF_TYPE): Likewise.
504         (WCHAR_TYPE): Likewise.
505         (WCHAR_TYPE_SIZE): Likewise.
506         (STDINT_LONG32): Likewise.
508 2016-01-12  Richard Biener  <rguenther@suse.de>
510         PR tree-optimization/69053
511         * tree-vect-loop.c (get_initial_def_for_reduction): Properly
512         convert initial value for cond reductions.
514 2016-01-12  Richard Biener  <rguenther@suse.de>
516         PR tree-optimization/69007
517         * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Move
518         widen_sum after dot_prod and sad.
520 2016-01-12  Richard Biener  <rguenther@suse.de>
522         PR tree-optimization/69168
523         * tree-vect-loop.c (vect_analyze_loop_2): Reset both main and
524         pattern stmt SLP type.
525         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Patterns may
526         end up unused so cope with that case.
528 2016-01-12  Richard Biener  <rguenther@suse.de>
530         PR tree-optimization/69157
531         * tree-vect-stmts.c (vectorizable_mask_load_store): Check
532         stmts def type only during analyze phase.
533         (vectorizable_call): Likewise.
534         (vectorizable_simd_clone_call): Likewise.
535         (vectorizable_conversion): Likewise.
536         (vectorizable_assignment): Likewise.
537         (vectorizable_shift): Likewise.
538         (vectorizable_operation): Likewise.
539         (vectorizable_store): Likewise.
540         (vectorizable_load): Likewise.
542 2016-01-12  Richard Biener  <rguenther@suse.de>
544         PR tree-optimization/69174
545         * tree-vect-stmts.c (vect_mark_relevant): Remove excessive vertical
546         space.
547         (vectorizable_load): Properly compute the number of loads needed
548         for permuted strided SLP loads and do not spuriously assign
549         to SLP_TREE_VEC_STMTS.
551 2016-01-12  Andris Pavenis  <andris.pavenis@iki.fi>
553         * config/i386/djgpp.h (PREFERRED_DEBUGGING_TYPE): Define to DWARF2
554         (TARGET_ASM_OUTPUT_IDENT): Define to default_asm_output_ident_directive
555         (MD_EXEC_PREFIX): Remove.
556         (MD_STARTFILE_PREFIX) Removee.
557         (FILE_NAME_ABSOLUTE_P): Remove.
558         (CPP_SPEC): Do not read macros from sys/version.h.
559         (LINK_COMMAND_SPEC): Remove.
560         (LOCAL_INCLUDE_DIR): Remove.
561         (TARGET_ASM_NAMED_SECTION): Define to i386_djgpp_asm_named_section
562         (TARGET_OS_CPP_BUILTINS): Add DJGPP (non ISO only), __DJGPP, __DJGPP__, unix.
563         (POST_LINK_SPEC): Define to invoke stubify after linker
564         (LIBSTDCXX): Remove define
565         (DBX_REGISTER_NUMBER): Define to svr4_dbx_register_map.
566         (DEFAULT_PCC_STRUCT_RETURN): Define to 1.
567         (SUBTARGET_OVERRIDE_OPTIONS): Remove warning about -mbnu2210.
568         (SUBTARGET_OVERRIDE_OPTIONS): Ignore -fPIC and generate message.
569         (SUBTARGET_OVERRIDE_OPTIONS): Default to DWARF2 debugging info.
570         (IX86_MAYBE_NO_LIBGCC_TFMODE): Remove.
571         (i386_djgpp_asm_named_section): Add propotype of new procedure
573         * config/i386/xm-djgpp.h (NATIVE_SYSTEM_HEADER_DIR): Define.
574         (MD_EXEC_PREFIX): Define (moved from config/i386/djgpp.h).
575         (STANDARD_STARTFILE_PREFIX_1): Define (moved from MD_STARTFILE_PREFIX in config/i386/djgpp.h).
576         (STANDARD_STARTFILE_PREFIX_2): Define identical to STANDARD_STARTFILE_PREFIX_1.
577         (LOCAL_INCLUDE_DIR): Define (moved from config/i386/djgpp.h).
578         (GCC_DRIVER_HOST_INITIALIZATION): Fix reporting fatal installation errors.
579         (MAX_OFILE_ALIGNMENT): Define to 128.
580         (HAVE_FTW_H): Undefine as DJGPP do not have nftw, but have ftw.h.
582         * config/i386/djgpp.c: New file. Add implementation of i386_djgpp_asm_named_section.
584         * config/i386/djgpp.opt: Remove obsolete option -mbnu210.
586         * config/i386/t-djgpp: New file. Add djgpp.o to EXTRA_OBJS.
587         Add rule for building djgpp.o.
589 2016-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
591         * config/rs6000/rs6000.c (v2df_reduction_p): New function.
592         (rtx_is_swappable_p): Reductions are swappable.
593         (insn_is_swappable_p): V2DF reductions are swappable.
595 2016-01-11  John David Anglin  <danglin@gcc.gnu.org>
597         * config/pa/pa.c (pa_emit_move_sequence): Handle floating point
598         reloads for other unsupported memory operands.
600 2016-01-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
601             Jim Wilson  <jim.wilson@linaro.org>
603         PR target/69194
604         * config/arm/arm-builtins.c (arm_expand_neon_args): Call
605         copy_to_mode_reg instead of force_reg.
607 2016-01-11  H.J. Lu  <hongjiu.lu@intel.com>
609         PR target/69225
610         * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Set to 2 only if
611         TARGET_80387 is true.
613 2016-01-11  Jakub Jelinek  <jakub@redhat.com>
615         PR target/69071
616         * lra-eliminations.c (move_plus_up): Only move plus up
617         if subreg of the constant can be simplified into constant
618         and use the simplified subreg of the constant instead of
619         the original constant.
621         * fold-const.c (fold_convertible_p): Don't return true
622         for conversion of VECTOR_TYPE to same sized integral type.
623         (fold_convert_loc): Fix up formatting.  Fold conversion of
624         VECTOR_TYPE to same sized integral type using VIEW_CONVERT_EXPR
625         instead of NOP_EXPR.
627         PR tree-optimization/69214
628         * tree-vrp.c (simplify_cond_using_ranges): Don't propagate
629         innerop into a comparison if SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
630         Formatting fix.
632         PR tree-optimization/69207
633         * tree-vect-slp.c (vect_get_constant_vectors): For
634         VECTOR_BOOLEAN_TYPE_P, assert op has integral type instead of
635         fold_convertible_p to vector_type's element type, and always
636         use VCE for non-VECTOR_BOOLEAN_TYPE_P.
638 2016-01-11  Richard Biener  <rguenther@suse.de>
640         PR tree-optimization/69173
641         * tree-vect-loop.c (vect_fixup_scalar_cycles_with_patterns): Only
642         fixup the cycle if all stmts are in a pattern.
644 2016-01-11  Uros Bizjak  <ubizjak@gmail.com>
646         PR middle-end/68999
647         * alias.c (base_alias_check): Move check for addresses with
648         alignment ANDs before the call for compare_base_decls.
649         (memrefs_conflict_p): Return -1 for different decls
650         that went through alignment adjustments.
652 2016-01-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
654         PR rtl-optimization/68796
655         * config/aarch64/aarch64.md (*and<mode>_compare0): New pattern.
656         * config/aarch64/aarch64.c (aarch64_select_cc_mode): Handle HImode
657         and QImode comparisons against zero with CC_NZmode.
658         * config/aarch64/iterators.md (short_mask): New mode_attr.
660 2016-01-11  H.J. Lu  <hongjiu.lu@intel.com>
662         * config/i386/sse.md (<avx512>_load<mode>_mask): Remove snprintf.
663         (<avx512>_store<mode>_mask): Likewise.
665 2016-01-11  Bernd Schmidt  <bschmidt@redhat.com>
666             Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
668         PR rtl-optimization/68841
669         * ifcvt.c (struct noce_if_info): Add orig_x field.
670         (bbs_ok_for_cmove_arith): Add to_rename parameter.
671         Don't record conflicts on to_rename if it's present.
672         Allow memory destinations in sets.
673         (noce_try_cmove_arith): Call bbs_ok_for_cmove_arith even on simple
674         blocks, passing orig_x to the checks.
675         (noce_process_if_block): Set if_info->orig_x appropriately.
677 2016-01-11  Tom de Vries  <tom@codesourcery.com>
679         PR tree-optimization/69069
680         * tree-parloops.c (create_parallel_loop): Add missing phi args.
682 2016-01-11  Yuri Rumyantsev  <ysrumyan@gmail.com>
684         PR rtl-optimization/68920
685         * config/i386/i386.c (ix86_option_override_internal): Restrict number
686         of conditional moves for  RTL if-conversion to 1 for
687         TARGET_ONE_IF_CONV_INSN.
688         * config/i386/i386.h (TARGET_ONE_IF_CONV_INSN): New macros.
689         * config/i386/x86-tune.def (X86_TUNE_ONE_IF_CONV_INSN): New macros.
690         * params.def (PARAM_MAX_RTL_IF_CONVERSION_INSNS) : Introduce new
691         parameter to restirct number of conditional moves for
692         RTL if-conversion.
693         * doc/invoke.texi (max-rtl-if-conversion-insns): Document it.
694         * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Limit number of
695         conditionl moves.
697 2016-01-11  Alexandre Oliva  <aoliva@redhat.com>
699         PR bootstrap/69123
700         * var-tracking.c (drop_overlapping_mem_locs): Operate on all
701         onepart vars.  Fix typo in comment.  Fix reversed condition in
702         unshare test.
703         (dataflow_set_remove_mem_locs): Operate on all onepart vars.
705         PR bootstrap/69123
706         * var-tracking.c (dump_onepart_variable_differences): New.
707         (dataflow_set_different): If a detailed dump is requested,
708         delay early returns and dump differences between onepart
709         variables present before and after, and added variables.
711 2016-01-11  Ilya Enkovich  <enkovich.gnu@gmail.com>
713         PR target/69010
714         * expr.c (expand_expr_real_1): For boolean vector constants
715         with a scalar mode use const_scalar_mask_from_tree.
716         (const_scalar_mask_from_tree): New.
717         * optabs.c (expand_vec_cond_mask_expr): Use mask mode
718         assigned to a mask type to handle constants.
720 2016-01-11  Martin Jambor  <mjambor@suse.cz>
722         PR ipa/69044
723         * ipa-cp.c (estimate_local_effects): Do not clone for removal of
724         useless parameters if we cannot change function signature.
726 2016-01-11  Martin Jambor  <mjambor@suse.cz>
728         PR ipa/66616
729         * cgraphclones.c (duplicate_thunk_for_node): Copy can_change_signature
730         flag.
732 2016-01-11  Tom de Vries  <tom@codesourcery.com>
734         PR tree-optimization/69109
735         * tree-parloops.c (try_transform_to_exit_first_loop_alt): Don't allow
736         latch with phi.
738 2016-01-11  Tom de Vries  <tom@codesourcery.com>
740         PR tree-optimization/69108
741         * tree-parloops.c (gather_scalar_reductions): Handle case that outer phi
742         res is not used in a phi.
744 2016-01-11  Yury Gribov  <y.gribov@samsung.com>
746         PR 67425
747         * common.opt (frandom-seed): Fix parameter name.
748         * doc/invoke.texi (frandom-seed): Ditto and describe parameter.
750 2016-01-11  Tom de Vries  <tom@codesourcery.com>
752         PR tree-optimization/69058
753         * tree-parloops.c (pass_parallelize_loops::execute): Return 0 if libgomp
754         not supported.
756 2016-01-11  Andrew Burgess  <andrew.burgess@embecosm.com>
758         * config/arc/arc.opt (mdiv-rem): Add period to the end.
759         (mcode-density): Likewise.
761 2016-01-10  Tom de Vries  <tom@codesourcery.com>
763         PR tree-optimization/69062
764         * tree-parloops.c (loop_has_phi_with_address_arg): New function.
765         (parallelize_loops): Don't paralelize loop that has phi with address
766         arg.
768 2016-01-10  Tom de Vries  <tom@codesourcery.com>
770         PR tree-optimization/69039
771         * tree-parloops.c (try_create_reduction_list): Only allow single exit
772         phi for reduction.
774 2016-01-09  John David Anglin  <danglin@gcc.gnu.org>
776         PR middle-end/68743
777         * match.pd: Require target has function_c99_misc before doing
778         truncl(extend(x)) and trunc(extend(x)) -> extend(truncf(x)), etc.
779         
780 2016-01-09  Gerald Pfeifer  <gerald@pfeifer.com>
782         * configure.ac (isl_options_set_schedule_serialize_sccs): Also 
783         use GMPINC.
784         * configure: Regenerate.
786 2016-01-09  Jakub Jelinek  <jakub@redhat.com>
788         PR middle-end/50865
789         PR tree-optimization/69097
790         * fold-const.h (expr_not_equal_to): New prototype.
791         * fold-const.c: Include stringpool.h and tree-ssanames.h.
792         (expr_not_equal_to): New function.
793         * match.pd (X % -Y is the same as X % Y): Don't optimize
794         unless X is known not to be equal to minimum or Y is known
795         not to be equal to -1.
796         * tree-vrp.c (simplify_div_or_mod_using_ranges): Add GSI argument.
797         fold TRUNC_MOD_EXPR if the second argument is not a power of two.
798         (simplify_stmt_using_ranges): Adjust caller.
799         (vrp_finalize): Call set_value_range on SSA_NAMEs before calling
800         substitute_and_fold.
802 2016-01-09  Jan Hubicka  <hubicka@ucw.cz>
804         * ipa-icf.c (sem_item_optimizer::merge_classes): Do not ICE on VAR_DECL
805         w/o DECL_NAME.
807 2016-01-08  Jakub Jelinek  <jakub@redhat.com>
809         PR tree-optimization/69167
810         * gimple-fold.c (replace_stmt_with_simplification): Also punt if
811         new SSA_NAME_OCCURS_IN_ABNORMAL_PHI SSA_NAMEs appear in operands of
812         ops[0] comparison.
813         * gimple-match-head.c (maybe_push_res_to_seq): Likewise.
815 2016-01-08  Alan Lawrence  <alan.lawrence@arm.com>
816             Richard Biener  <rguenther@suse.de>
818         PR tree-optimization/68707
819         * tree-vect-slp.c (vect_analyze_slp_instance): Cancel permuted SLP
820         instances that can be handled via vect_load_lanes.
822 2016-01-08  Uros Bizjak  <ubizjak@gmail.com>
824         * symtab.c (symtab_node::equal_address_to): Return -1 instead of 2
825         if we can't determine address equivalence.
826         * alias.c (compare_base_decl): Update for changed return value of
827         symtab_node::equal_address_to.
829 2016-01-08  Jason Merrill  <jason@redhat.com>
831         PR c++/68983
832         PR c++/67557
833         * function.c (assign_temp): Guard against TREE_ADDRESSABLE types here.
834         * expr.c (store_field): Not here.
835         * tree-cfgcleanup.c (fixup_noreturn_call): Don't clear LHS of a
836         call with TREE_ADDRESSABLE type.
837         * tree-cfg.c (verify_gimple_call): Adjust.
839 2016-01-08  Olivier Hainque  <hainque@adacore.com>
841         * config/vxworks.h (VXWORKS_LIBGCC_SPEC): Don't link shared RTPs with
842         libc_internal.
844 2016-01-08  Alan Lawrence  <alan.lawrence@arm.com>
846         * gcc.target/rs6000/paired.md (reduc_smax_v2sf): Rename to...
847         (reduc_smax_scal_v2sf): ...here, make result SFmode, extract element.
848         (reduc_smin_v2sf): Rename to...
849         (reduc_smin_scal_v2sf): ...here, make result SFmode, extract element.
850         (reduc_splus_v2sf): Rename to...
851         (reduc_plus_scal_v2sf): ...here, make result SFmode, extract element.
853 2016-01-08  Jakub Jelinek  <jakub@redhat.com>
855         PR tree-optimization/69162
856         * gimplify.c (gimplify_va_arg_expr): Encode original type of
857         valist argument in another argument.
858         (gimplify_modify_expr): Adjust for the above change.  Cleanup.
859         * tree-stdarg.c (expand_ifn_va_arg_1): Use new 3rd argument
860         to determine the va_list type, build a MEM_REF instead of
861         build_fold_indirect_ref.
863         PR tree-optimization/69172
864         * gimple-fold.c (gimple_fold_builtin_memory_chk): Pass type to
865         gimple_build.
867 2016-01-08  Thomas Preud'homme  <thomas.preudhomme@arm.com>
869         PR tree-optimization/67781
870         * tree-ssa-math-opts.c (find_bswap_or_nop): Zero out bytes in cmpxchg
871         and cmpnop in two steps: first the ones not accessed in original
872         gimple expression in a endian independent way and then the ones not
873         accessed in the final result in an endian-specific way.
875 2016-01-08  Jakub Jelinek  <jakub@redhat.com>
877         PR tree-optimization/69083
878         * tree-vect-slp.c (vect_get_constant_vectors): For
879         VECTOR_BOOLEAN_TYPE_P assert op is fold_convertible_p to vector_type's
880         element type.  If op is fold_convertible_p to vector_type's element
881         type, use NOP_EXPR instead of VCE.
883 2016-01-08  Segher Boessenkool  <segher@kernel.crashing.org>
885         PR rtl-optimization/67778
886         PR rtl-optimization/68634
887         PR rtl-optimization/68909
888         * shrink-wrap.c (try_shrink_wrapping): Add comment.  Don't pop
889         block from the stack until done with it.  Remove a superfluous
890         bitmap set.  Remove a superfluous bitmap test.
892 2016-01-07  Martin Sebor  <msebor@redhat.com>
894         PR c/68966
895         * doc/extend.texi (__atomic Builtins, __sync Builtins): Document
896         constraint on the type of arguments.
898 2016-01-07  Andreas Tobler  <andreast@gcc.gnu.org>
900         * config/arm/freebsd.h: Rename SUBTARGET_OVERRIDE_OPTIONS to
901         SUBTARGET_OVERRIDE_INTERNAL_OPTIONS. Adjust to check
902         unaligned_access on the gcc_options set.
903         * config/arm/arm.c (arm_option_override_internal): Use
904         SUBTARGET_OVERRIDE_INTERNAL_OPTIONS.
906 2016-01-07  Uros Bizjak  <ubizjak@gmail.com>
908         PR target/69140
909         * config/i386/i386.c (ix86_frame_pointer_required): Enable
910         frame pointer for TARGET_64BIT_MS_ABI when stack is misaligned.
912 2016-01-07  Uros Bizjak  <ubizjak@gmail.com>
914         Revert
915         2016-01-06  Uros Bizjak  <ubizjak@gmail.com>
917         PR target/69140
918         * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
919         depending on frame_pointer_needed before remaining integer and SSE
920         registers are saved.
922 2016-01-07  Sandra Loosemore  <sandra@codesourcery.com>
924         PR 1078
925         * doc/extend.texi (Nvidia PDX Function Attributes): New section.
927 2016-01-07  H.J. Lu  <hongjiu.lu@intel.com>
929         PR target/69171
930         * config/i386/sse.md (<sse>_sqrt<mode>2<mask_name><round_name>):
931         Use the "xBm" constraint.
932         (float<sseintvecmodelower><mode>2<mask_name><round_name):
933         Likewise.
934         (sse_cvtsi2ss<round_name>): Use round_nimm_scalar_predicate.
935         (sse_cvtsi2ssq<round_name>): Likewise.
936         (sse_cvtss2si<round_name>): Likewise.
937         (sse_cvtss2siq<round_name>): Likewise.
938         (sse2_cvtsi2sdq<round_name>): Likewise.
939         (sse2_cvtsd2si<round_name>): Likewise.
940         (sse2_cvtsd2siq<round_name>): Likewise.
941         * config/i386/subst.md (round_nimm_scalar_predicate): New
942         predicate.
944 2015-12-15  Bernd Schmidt  <bschmidt@redhat.com>
946         PR middle-end/67639
947         * varasm.c (make_decl_rtl): Mark invalid register vars as
948         DECL_EXTERNAL.
950         PR rtl-optimization/66206
951         * bt-load.c (find_btr_use): Change first arg to be a pointer to an rtx.
952         All callers changed.
954 2016-01-07  Jakub Jelinek  <jakub@redhat.com>
956         PR tree-optimization/69141
957         * tree-ssa-pre.c: Include langhooks.h.
958         (eliminate_dom_walker::before_dom_children): Use
959         lang_hooks.decl_printable_name instead of
960         cgraph_node::get ()->name ().
962         PR middle-end/68960
963         * gimple-expr.c (copy_var_decl): If var has DECL_USER_ALIGN set, copy
964         it and DECL_ALIGN too.
966 2016-01-06  Robert Suchanek  <robert.suchanek@imgtec.com>
968         * config/mips/mips-ftypes.def: Sort to lexicographical order.
970 2016-01-06  Uros Bizjak  <ubizjak@gmail.com>
972         PR target/69140
973         * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
974         depending on frame_pointer_needed before remaining integer and SSE
975         registers are saved.
977 2015-01-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
979         * config/rs6000/vsx.md (*p9_vecload_<mode>): Replace VSX_M
980         mode iterator with VSX_M2.
981         (*p9_vecstore_<mode>): Likewise.
982         (*vsx_le_permute_<mode>): Restrict to !TARGET_P9_VECTOR.
983         (*vsx_le_perm_load_<mode> for VSX_LE_128): Likewise.
984         (*vsx_le_perm_store_<mode> for VSX_LE_128): Likewise.
985         (define_split for VSX_LE128 stores): Likewise.
986         (define_peephole2 for TImode LE swaps): Likewise.
987         (define_split for VSX_LE128 post-reload stores): Likewise.
989 2016-01-06  Marek Polacek  <polacek@redhat.com>
991         PR sanitizer/69099
992         * convert.c (convert_to_integer_1): Adjust call to
993         ubsan_instrument_float_cast.  Use NULL_TREE instead of NULL.
994         * ubsan.c (ubsan_instrument_float_cast): Drop the ARG parameter.  Use
995         EXPR instead of ARG.
996         * ubsan.h (ubsan_instrument_float_cast): Adjust declaration.
998 2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>
1000         PR 1078
1001         * doc/extend.texi (RL78 Variable Attributes): New section.
1003 2016-01-05  Marek Polacek  <polacek@redhat.com>
1005         PR c/69104
1006         * builtins.c (get_memmodel): Use expansion point location rather than
1007         the input location.  Call warning_at rather than warning.
1008         (expand_builtin_atomic_compare_exchange): Likewise.
1009         (expand_builtin_atomic_load): Likewise.
1010         (expand_builtin_atomic_store): Likewise.
1011         (expand_builtin_atomic_clear): Likewise.
1013 2016-01-05  H.J. Lu  <hongjiu.lu@intel.com>
1015         PR target/68991
1016         * config/i386/i386.c (ix86_expand_vector_logical_operator):
1017         Replace nonimmediate_operand with vector_operand.
1018         * config/i386/predicates.md (vector_operand): New predicate.
1019         (general_vector_operand): Replace nonimmediate_operand with
1020         vector_operand.
1021         * config/i386/sse.md: Replace nonimmediate_operand with
1022         vector_operand and m constraint with Bm constraint on SSE
1023         patterns with 16-byte memory operand.
1024         * config/i386/subst.md (round_nimm_predicate): Replace
1025         nonimmediate_operand with vector_operand.
1026         (round_saeonly_nimm_predicate): Likewise.
1027         (round_saeonly_nimm_scalar_predicate): New.
1029 2016-01-05  H.J. Lu  <hongjiu.lu@intel.com>
1031         PR target/68991
1032         * config/i386/constraints.md (Bm): New constraint.
1033         * config/i386/predicates.md (vector_memory_operand): New
1034         predicate.
1035         * config/i386/sse.md: Replace xm with xBm in plusminus and
1036         any_logic patterns.
1038 2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>
1040         PR 1078
1041         * doc/extend.texi (V850 Function Attributes): New section.
1042         (V850 Variable Attributes): New section.
1044 2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>
1046         PR 1078
1047         * doc/extend.texi (MicroBlaze Function Attributes): Document
1048         interrupt_handler and fast_interrupt attributes.
1050 2016-01-05  Sergei Trofimovich  <siarheit@google.com>
1052         PR other/60465
1053         * config/ia64/ia64.c (ia64_expand_load_address): Use gprel64
1054         for local symbolic operands.
1055         * config/ia64/predicates.md (local_symbolic_operand64): New
1056         predicate.
1058 2016-01-05  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1060         PR rtl-optimization/68651
1061         * combine.c (combine_simplify_rtx): Canonicalize x + x into
1062         x << 1.
1064 2016-01-05  Nathan Sidwell  <nathan@acm.org>
1066         * alias.c (compare_base_decls): Use symtab_node::get.
1068 2016-01-05  Nick Clifton  <nickc@redhat.com>
1070         PR target/68770
1071         * ira-costs.c (copy_cost): Initialise the t_icode field of the
1072         secondary_reload_info structure.
1074         PR target/66655
1075         * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Define to use weak
1076         decls if weak support is available.
1078 2016-01-04  Martin Sebor  <msebor@redhat.com>
1080         * doc/invoke.texi (Warning Options): Document -Winvalid-memory-model.
1082 2016-01-04  Michael Meissner  <meissner@linux.vnet.ibm.com>
1084         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Add
1085         OPTION_MASK_P9_DFORM.
1087         * config/rs6000/constraints.md (wo constraint): New constraint for
1088         ISA 3.0 (power9).
1090         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Add support
1091         for wo constraint.
1092         (rs6000_init_hard_regno_mode_ok): Likewise.
1094         * config/rs6000/rs6000.h (r6000_reg_class_enum): Add support for
1095         wo constraint.
1097         * config/rs6000/altivec.md (altivec_vperm_<mode>): Clean up vperm
1098         expanders not to have constraints.  Add support for ISA 3.0 xxperm
1099         instruction.  Add support for fusing xxlor with xxperm.
1100         (altivec_vperm_<mode>_internal): Likewise.
1101         (altivec_vperm_v8hiv16qi): Likewise.
1102         (altivec_vperm_<mode>v16q): Likewise.
1103         (altivec_vperm_<mode>_uns): Likewise.
1104         (vperm_v8hiv4si): Likewise.
1105         (vperm_v16qiv8hi): Likewise.
1107         * doc/md.texi (RS/6000 constraints): Document wo constraint.
1109 2016-01-04  Jakub Jelinek  <jakub@redhat.com>
1111         Update copyright years.
1113         * gcc.c (process_command): Update copyright notice dates.
1114         * gcov-dump.c (print_version): Ditto.
1115         * gcov.c (print_version): Ditto.
1116         * gcov-tool.c (print_version): Ditto.
1117         * gengtype.c (create_file): Ditto.
1118         * doc/cpp.texi: Bump @copying's copyright year.
1119         * doc/cppinternals.texi: Ditto.
1120         * doc/gcc.texi: Ditto.
1121         * doc/gccint.texi: Ditto.
1122         * doc/gcov.texi: Ditto.
1123         * doc/install.texi: Ditto.
1124         * doc/invoke.texi: Ditto.
1126 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
1128         * config/arm/arm.c (aapcs_vfp_allocate_return_reg): Treat all integer
1129         modes larger than TImode as TImode if NEON is not enabled.
1131 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
1133         PR target/69100
1134         * config/sparc/sparc.h (FUNCTION_ARG_REGNO_P): Return true in 64-bit
1135         mode for %f0-%f31 only if TARGET_FPU.
1137 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
1139         PR target/69072
1140         * config/sparc/sparc.c (scan_record_type): Take into account subfields
1141         to compute the PACKED_P predicate.
1142         (function_arg_record_value): Minor tweaks.
1144 2016-01-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
1146         * doc/install.texi (--with-multilib-list): Describe the meaning of the
1147         option for arm*-*-* targets.
1149 2016-01-03  Sandra Loosemore  <sandra@codesourcery.com>
1151         * doc/extend.texi (Common Function Attributes): Move docs for
1152         MSP430-specific attributes to....
1153         (MSP430 Function Attributes): ...here.  Delete the redundant
1154         entries and copy-edit the remaining text.
1155         (MSP430 Variable Attributes): Use uniform format for index
1156         entries and add a cross-reference to the corresponding function
1157         attribute docs.
1159 2016-01-03  Vladimír Čunát  <vcunat@gmail.com>
1161         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix
1162         -finite-math typo.
1163         (x86 Options): Likewise.
1165 2016-01-01  Sandra Loosemore  <sandra@codesourcery.com>
1167         PR 1078
1169         * extend.texi (Common Function Attributes) <no_stack_limit>: New.
1170         * invoke.texi (Code Gen Options) <-fno-stack-limit>: Add pointer
1171         to corresponding attribute.
1173 2016-01-01  Sandra Loosemore  <sandra@codesourcery.com>
1175         * doc/extend.texi (Common Function Attributes) <noplt>: Move
1176         to correct alphabetization of table.  Copy-edit and correct
1177         markup.
1178         <stack_protect>: Likewise.
1179         <target_clones>: Likewise.
1180         <simd>: Likewise.
1181         * doc/invoke.texi (Optimize Options) <-fstack-protector-explicit>:
1182         Correct punctuation.
1183         (Code Gen Options) <-fno-plt>: Copy-edit.
1185 2016-01-01  Bernd Edlinger  <bernd.edlinger@hotmail.de>
1187         PR target/68917
1188         * config/tilegx/tilegx.md (clzsi2): Don't create DI subregs of
1189         SI values.  Explicitly convert SI to DI and vice-versa.
1191 2016-01-01  Jakub Jelinek  <jakub@redhat.com>
1193         PR tree-optimization/69070
1194         * tree-ssa-math-opts.c (gimple_expand_builtin_pow): Only test
1195         REAL_VALUE_ISSIGNALING_NAN on arg0 if arg0 is a REAL_CST.
1197         PR sanitizer/69055
1198         * ubsan.c (ubsan_instrument_float_cast): Call
1199         initialize_sanitizer_builtins.
1201         PR target/69015
1202         * ifcvt.c (find_cond_trap): Give up if returnjump_p (jump).
1204 Copyright (C) 2016 Free Software Foundation, Inc.
1206 Copying and distribution of this file, with or without modification,
1207 are permitted in any medium without royalty provided the copyright
1208 notice and this notice are preserved.