1 2016-01-14 Jakub Jelinek <jakub@redhat.com>
4 PR tree-optimization/69155
5 * tree-complex.c: Include cfganal.h.
6 (phis_to_revisit): New variable.
7 (extract_component): Add phiarg_p argument. Assert that returned
8 SSA_NAME has non-NULL SSA_NAME_DEF_STMT unless phiarg_p is true.
9 (update_phi_components): Partly rewrite to use loop over real/imag
10 components instead of code duplication. If extract_component returns
11 SSA_NAME with NULL SSA_NAME_DEF_STMT, store SSA_NAME_VAR or
12 create_tmp_reg into the PHI node instead, and mention the phi triplet
14 (tree_lower_complex): Walk bbs in rpo order. Adjust phis recorded
15 in phis_to_revisit at the end.
17 2016-01-14 Richard Biener <rguenther@suse.de>
19 PR tree-optimization/68060
20 * tree-vect-loop.c (vect_is_simple_reduction): Check the
21 outer loop reduction is only used in the inner loop before
22 detecting a double reduction.
24 2016-01-14 Jakub Jelinek <jakub@redhat.com>
27 * combine.c (expand_field_assignment): Punt if compute_mode is
28 unsupported scalar mode.
30 2016-01-14 Richard Biener <rguenther@suse.de>
32 PR tree-optimization/66856
33 * tree-vect-slp.c (vect_build_slp_tree): Refactor to build
34 SLP node only if it built successfully.
35 (vect_analyze_slp_instance): Adjust.
37 2016-01-14 Jeff Law <law@redhat.com>
39 PR tree-optimization/69270
40 * tree-ssa-dom.c (ssa_name_has_boolean_range): New function.
41 (record_edge_info): Use it. Convert boolean_{true,false}_node
44 2016-01-13 Jan Hubicka <hubicka@ucw.cz>
47 * ipa-polymorphic-call.c (inlined_polymorphic_ctor_dtor_block_p):
48 use block_ultimate_origin
49 (noncall-stmt_may_be_vtbl_ptr_store): Likewise.
51 2016-01-13 Sandra Loosemore <sandra@codesourcery.com>
53 * doc/invoke.texi (Submodel Options): Rename section to
54 "Machine-Dependent Options" to better reflect its content.
55 Rewrite introductory text to remove archaic CPU names.
58 2016-01-13 Sandra Loosemore <sandra@codesourcery.com>
60 * doc/invoke.texi (Code Gen Options): Move section up in file,
61 before target-specific options. Update menu and option summary
62 to reflect the new section ordering.
64 2016-01-13 Jonathan Wakely <jwakely@redhat.com>
66 * doc/invoke.texi (C Dialect Options): Adjust -std default for C++.
67 (C++ Dialect Options): Add cross-reference to -std option.
68 * doc/standards.texi (C++ Language): Document C++14 support.
70 2016-01-13 Michael Meissner <meissner@linux.vnet.ibm.com>
72 * config/rs6000/rs6000-builtin.def (BU_FLOAT128_2): Add support
73 for pack/unpack functions for __ibm128.
75 (UNPACK_IF): Likewise.
77 * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Add
78 support for __ibm128 pack/unpack functions.
79 (rs6000_invalid_builtin): Likewise.
80 (rs6000_init_builtins): Likewise.
81 (rs6000_opt_masks): Likewise.
83 * config/rs6000/rs6000.h (MASK_FLOAT128): Add short name.
84 (RS6000_BTM_FLOAT128): Add support for __ibm128 pack/unpack
86 (RS6000_BTM_COMMON): Likewise.
88 * config/rs6000/rs6000.md (f128_vsx): New mode attribute.
89 (unpack<mode>): Use FMOVE128_FPR iterator instead of FMOVE128, to
90 disallow __builtin_{pack,unpack}_longdouble if long double is IEEE
91 128-bit floating point. Add support for the double values to be
92 in Altivec registers for TF/IF packing and unpacking, but restrict
93 TD packing sub-fields to be FPR registers. Don't allow overlapped
94 register support for packing. Allow pack inputs to be memory
95 locations. Don't build generator functions for unpack<mode>_dm
96 and unpack<mode>_nodm.
97 (unpack<mode>_dm): Likewise.
98 (unpack<mode>_nodm): Likewise.
99 (pack<mode>): Likewise.
101 * config/rs6000/rs6000-builtin.def (__builtin_pack_ibm128): Add
102 built-in functions to pack/unpack explicit __ibm128 values.
103 (__builtin_unpack_ibm128): Likewise.
105 * doc/extend.texi (PowerPC Built-in Functions): Document
106 __builtin_pack_ibm128 and __builtin_unpack_ibm128.
108 2016-01-13 Bernd Schmidt <bschmidt@redhat.com>
111 * c-common.c (check_function_nonnull): Remove unnecessary declaration.
112 Add new arg loc and pass it down as context.
113 (check_nonnull_arg): Don't mark ctx arg as unused. Use it as a pointer
114 to the location to use for the warning.
115 (check_function_arguments): New arg loc. All callers changed. Pass
116 it to check_function_nonnull.
117 * c-common.h (check_function_arguments): Adjust declaration.
119 2016-01-13 Jakub Jelinek <jakub@redhat.com>
121 PR tree-optimization/69156
122 * gimple.c (validate_type): Removed.
123 (gimple_builtin_call_types_compatible_p): Use
124 useless_type_conversion_p instead of validate_type.
125 * value-prof.c (gimple_stringop_fixed_value): Fold
126 icall_size to correct type.
128 2016-01-13 Jonathan Wakely <jwakely@redhat.com>
130 * doc/extend.texi (__atomic Builtins): Clarify compare_exchange
133 2016-01-13 Richard Henderson <rth@redhat.com>
136 * target.def (builtin_tm_load, builtin_tm_store): Remove.
137 * config/i386/i386.c (ix86_builtin_tm_load): Remove.
138 (ix86_builtin_tm_store): Remove.
139 (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
140 (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
141 * doc/tm.texi.in (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
142 (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
143 * doc/tm.texi: Rebuild.
145 * gtm-builtins.def (BUILT_IN_TM_MEMCPY_RNWT): New.
146 (BUILT_IN_TM_MEMCPY_RTWN): New.
147 * trans-mem.c (tm_log_emit_stmt): Rearrange code for better
148 fallback from vector to integer helpers.
149 (build_tm_load): Handle vector types directly, instead of
151 (build_tm_store): Likewise.
152 (expand_assign_tm): Prepare for register types not handled by
153 the above. Copy them to memory and use memcpy.
154 * tree.c (tm_define_builtin): New.
155 (find_tm_vector_type): New.
156 (build_tm_vector_builtins): New.
157 (build_common_builtin_nodes): Call it.
159 2016-01-13 Uros Bizjak <ubizjak@gmail.com>
161 * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Return -1 for
162 TARGET_SSE_MATH without TARGET_SSE2. Rewrite.
164 2016-01-13 Tom de Vries <tom@codesourcery.com>
166 PR tree-optimization/69169
167 * tree-ssa-structalias.c (create_variable_info_for_1): Add and handle
168 handled_struct_type param.
169 (create_variable_info_for, intra_create_variable_infos): Call
170 create_variable_info_for_1 with extra arg.
172 2016-01-13 Yvan Roux <yvan.roux@linaro.org>
174 * config/arm/arm-arches.def: Remove spurious whitespace in "armv8.1-a"
175 and "armv8.1-a+crc" entries.
177 2016-01-13 Alexander Fomin <alexander.fomin@intel.com>
180 * config/i386/sse.md (define_expand "avx512pf_gatherpf<mode>sf"):
181 Change first operand predicate from register_or_constm1_operand
183 (define_expand "avx512pf_gatherpf<mode>df"): Likewise.
184 (define_expand "avx512pf_scatterpf<mode>sf"): Likewise.
185 (define_expand "avx512pf_scatterpf<mode>df"): Likewise.
186 (define_insn "*avx512pf_gatherpf<mode>sf"): Remove.
187 (define_insn "*avx512pf_gatherpf<mode>df"): Likewise.
188 (define_insn "*avx512pf_scatterpf<mode>sf"): Likewise.
189 (define_insn "*avx512pf_scatterpf<mode>df"): Likewise.
190 * config/i386/i386.c (ix86_expand_builtin): Remove first operand
191 comparison with constm1_rtx from vec_prefetch_gen part.
193 2016-01-13 Richard Biener <rguenther@suse.de>
195 PR tree-optimization/69013
196 * tree-ssa-uninit.c (prune_uninit_phi_opnds_in_unrealizable_paths):
197 Exchange assert for a test.
199 2016-01-13 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
202 * config/s390/s390.md (bswaphi splitter): Use simplify_gen_subreg.
204 2016-01-13 Richard Biener <rguenther@suse.de>
206 PR tree-optimization/69242
207 * tree-ssa-sccvn.c (visit_reference_op_load): Replace bogus
210 2016-01-13 Richard Biener <rguenther@suse.de>
212 PR tree-optimization/69186
213 * tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
214 Properly guard vect_update_misalignment_for_peel call.
216 2016-01-12 Jeff Law <law@redhat.com>
218 PR tree-optimization/pr67755
219 * tree-ssa-threadupdate.c (struct ssa_local_info_t): Add new field
220 "need_profile_correction".
221 (thread_block_1): Initialize new field to false by default. If we
222 have multiple thread paths through a common joiner to different
223 final targets, then set new field to true.
224 (compute_path_counts): Only do count adjustment when it's really
227 2016-01-12 Sandra Loosemore <sandra@codesourcery.com>
229 * doc/invoke.texi (Spec Files): Move section down in file, past
230 all command-line option descriptions.
232 2016-01-12 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
235 * doc/gty.texi: Remove documentation of mark_hook.
236 * gengtype.c (struct write_types_data): Remove code to support
238 (walk_type): Likewise.
239 (write_func_for_structure): Likewise.
241 2016-01-12 Sandra Loosemore <sandra@codesourcery.com>
243 * doc/invoke.texi (Option Summary) Move -no-canonical-prefixes to
244 Directory Options, and -specs= to Overall Options.
245 (Overall Options): Adjust similarly. Reorder to group related
246 options together. Make -specs= cross-reference the spec file details.
247 (Directory Options): Adjust similarly.
249 2016-01-12 Jeff Law <law@redhat.com>
251 * tree-ssa-threadupdate.c: Various whitespace and typo fixes.
253 2016-01-12 Olivier Hainque <hainque@adacore.com>
255 * gcc.c (spec_undefvar_allowed): New global.
256 (process_command): Set to true when running for --version or --help,
258 (getenv_spec_function): When the variable is not defined, use the
259 variable name as the variable value if we're allowed not to issue
262 2016-01-12 Bin Cheng <bin.cheng@arm.com>
264 PR tree-optimization/68911
265 * tree-vrp.c (adjust_range_with_scev): Check overflow in range
266 information computed for expression "init + nit * step".
268 2016-01-12 Sandra Loosemore <sandra@codesourcery.com>
270 * doc/invoke.texi (Invoking GCC): Copy-edit. Incorporate information
271 about name of GCC executable. Remove deleted node from menu.
272 (Directory Options) <-B>: Remove cross-reference to deleted node.
273 (Target Options): Delete section.
275 2016-01-12 Christian Bruel <christian.bruel@st.com>
278 * config/arm/arm-c.c (arm_pragma_target_parse): Set NODE_CONDITIONAL
279 for __ARM_NEON_FP, __ARM_FP, _ARM_FEATURE_LDREX.
281 2016-01-12 Jakub Jelinek <jakub@redhat.com>
284 * config/i386/i386.c (ix86_expand_special_args_builtin): Ensure
285 aligned_mem is properly set for AVX512-VL floating point masked
289 * ifcvt.c (cond_exec_process_if_block): When removing the last
290 insn from then_bb, remove also any possible barriers that follow it.
292 2016-01-12 H.J. Lu <hongjiu.lu@intel.com>
296 * config/i386/iamcu.h (SIZE_TYPE): New macro.
297 (PTRDIFF_TYPE): Likewise.
298 (WCHAR_TYPE): Likewise.
299 (WCHAR_TYPE_SIZE): Likewise.
300 (STDINT_LONG32): Likewise.
302 2016-01-12 Richard Biener <rguenther@suse.de>
304 PR tree-optimization/69053
305 * tree-vect-loop.c (get_initial_def_for_reduction): Properly
306 convert initial value for cond reductions.
308 2016-01-12 Richard Biener <rguenther@suse.de>
310 PR tree-optimization/69007
311 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Move
312 widen_sum after dot_prod and sad.
314 2016-01-12 Richard Biener <rguenther@suse.de>
316 PR tree-optimization/69168
317 * tree-vect-loop.c (vect_analyze_loop_2): Reset both main and
318 pattern stmt SLP type.
319 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Patterns may
320 end up unused so cope with that case.
322 2016-01-12 Richard Biener <rguenther@suse.de>
324 PR tree-optimization/69157
325 * tree-vect-stmts.c (vectorizable_mask_load_store): Check
326 stmts def type only during analyze phase.
327 (vectorizable_call): Likewise.
328 (vectorizable_simd_clone_call): Likewise.
329 (vectorizable_conversion): Likewise.
330 (vectorizable_assignment): Likewise.
331 (vectorizable_shift): Likewise.
332 (vectorizable_operation): Likewise.
333 (vectorizable_store): Likewise.
334 (vectorizable_load): Likewise.
336 2016-01-12 Richard Biener <rguenther@suse.de>
338 PR tree-optimization/69174
339 * tree-vect-stmts.c (vect_mark_relevant): Remove excessive vertical
341 (vectorizable_load): Properly compute the number of loads needed
342 for permuted strided SLP loads and do not spuriously assign
343 to SLP_TREE_VEC_STMTS.
345 2016-01-12 Andris Pavenis <andris.pavenis@iki.fi>
347 * config/i386/djgpp.h (PREFERRED_DEBUGGING_TYPE): Define to DWARF2
348 (TARGET_ASM_OUTPUT_IDENT): Define to default_asm_output_ident_directive
349 (MD_EXEC_PREFIX): Remove.
350 (MD_STARTFILE_PREFIX) Removee.
351 (FILE_NAME_ABSOLUTE_P): Remove.
352 (CPP_SPEC): Do not read macros from sys/version.h.
353 (LINK_COMMAND_SPEC): Remove.
354 (LOCAL_INCLUDE_DIR): Remove.
355 (TARGET_ASM_NAMED_SECTION): Define to i386_djgpp_asm_named_section
356 (TARGET_OS_CPP_BUILTINS): Add DJGPP (non ISO only), __DJGPP, __DJGPP__, unix.
357 (POST_LINK_SPEC): Define to invoke stubify after linker
358 (LIBSTDCXX): Remove define
359 (DBX_REGISTER_NUMBER): Define to svr4_dbx_register_map.
360 (DEFAULT_PCC_STRUCT_RETURN): Define to 1.
361 (SUBTARGET_OVERRIDE_OPTIONS): Remove warning about -mbnu2210.
362 (SUBTARGET_OVERRIDE_OPTIONS): Ignore -fPIC and generate message.
363 (SUBTARGET_OVERRIDE_OPTIONS): Default to DWARF2 debugging info.
364 (IX86_MAYBE_NO_LIBGCC_TFMODE): Remove.
365 (i386_djgpp_asm_named_section): Add propotype of new procedure
367 * config/i386/xm-djgpp.h (NATIVE_SYSTEM_HEADER_DIR): Define.
368 (MD_EXEC_PREFIX): Define (moved from config/i386/djgpp.h).
369 (STANDARD_STARTFILE_PREFIX_1): Define (moved from MD_STARTFILE_PREFIX in config/i386/djgpp.h).
370 (STANDARD_STARTFILE_PREFIX_2): Define identical to STANDARD_STARTFILE_PREFIX_1.
371 (LOCAL_INCLUDE_DIR): Define (moved from config/i386/djgpp.h).
372 (GCC_DRIVER_HOST_INITIALIZATION): Fix reporting fatal installation errors.
373 (MAX_OFILE_ALIGNMENT): Define to 128.
374 (HAVE_FTW_H): Undefine as DJGPP do not have nftw, but have ftw.h.
376 * config/i386/djgpp.c: New file. Add implementation of i386_djgpp_asm_named_section.
378 * config/i386/djgpp.opt: Remove obsolete option -mbnu210.
380 * config/i386/t-djgpp: New file. Add djgpp.o to EXTRA_OBJS.
381 Add rule for building djgpp.o.
383 2016-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
385 * config/rs6000/rs6000.c (v2df_reduction_p): New function.
386 (rtx_is_swappable_p): Reductions are swappable.
387 (insn_is_swappable_p): V2DF reductions are swappable.
389 2016-01-11 John David Anglin <danglin@gcc.gnu.org>
391 * config/pa/pa.c (pa_emit_move_sequence): Handle floating point
392 reloads for other unsupported memory operands.
394 2016-01-12 Kugan Vivekanandarajah <kuganv@linaro.org>
395 Jim Wilson <jim.wilson@linaro.org>
398 * config/arm/arm-builtins.c (arm_expand_neon_args): Call
399 copy_to_mode_reg instead of force_reg.
401 2016-01-11 H.J. Lu <hongjiu.lu@intel.com>
404 * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Set to 2 only if
405 TARGET_80387 is true.
407 2016-01-11 Jakub Jelinek <jakub@redhat.com>
410 * lra-eliminations.c (move_plus_up): Only move plus up
411 if subreg of the constant can be simplified into constant
412 and use the simplified subreg of the constant instead of
413 the original constant.
415 * fold-const.c (fold_convertible_p): Don't return true
416 for conversion of VECTOR_TYPE to same sized integral type.
417 (fold_convert_loc): Fix up formatting. Fold conversion of
418 VECTOR_TYPE to same sized integral type using VIEW_CONVERT_EXPR
421 PR tree-optimization/69214
422 * tree-vrp.c (simplify_cond_using_ranges): Don't propagate
423 innerop into a comparison if SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
426 PR tree-optimization/69207
427 * tree-vect-slp.c (vect_get_constant_vectors): For
428 VECTOR_BOOLEAN_TYPE_P, assert op has integral type instead of
429 fold_convertible_p to vector_type's element type, and always
430 use VCE for non-VECTOR_BOOLEAN_TYPE_P.
432 2016-01-11 Richard Biener <rguenther@suse.de>
434 PR tree-optimization/69173
435 * tree-vect-loop.c (vect_fixup_scalar_cycles_with_patterns): Only
436 fixup the cycle if all stmts are in a pattern.
438 2016-01-11 Uros Bizjak <ubizjak@gmail.com>
441 * alias.c (base_alias_check): Move check for addresses with
442 alignment ANDs before the call for compare_base_decls.
443 (memrefs_conflict_p): Return -1 for different decls
444 that went through alignment adjustments.
446 2016-01-11 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
448 PR rtl-optimization/68796
449 * config/aarch64/aarch64.md (*and<mode>_compare0): New pattern.
450 * config/aarch64/aarch64.c (aarch64_select_cc_mode): Handle HImode
451 and QImode comparisons against zero with CC_NZmode.
452 * config/aarch64/iterators.md (short_mask): New mode_attr.
454 2016-01-11 H.J. Lu <hongjiu.lu@intel.com>
456 * config/i386/sse.md (<avx512>_load<mode>_mask): Remove snprintf.
457 (<avx512>_store<mode>_mask): Likewise.
459 2016-01-11 Bernd Schmidt <bschmidt@redhat.com>
460 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
462 PR rtl-optimization/68841
463 * ifcvt.c (struct noce_if_info): Add orig_x field.
464 (bbs_ok_for_cmove_arith): Add to_rename parameter.
465 Don't record conflicts on to_rename if it's present.
466 Allow memory destinations in sets.
467 (noce_try_cmove_arith): Call bbs_ok_for_cmove_arith even on simple
468 blocks, passing orig_x to the checks.
469 (noce_process_if_block): Set if_info->orig_x appropriately.
471 2016-01-11 Tom de Vries <tom@codesourcery.com>
473 PR tree-optimization/69069
474 * tree-parloops.c (create_parallel_loop): Add missing phi args.
476 2016-01-11 Yuri Rumyantsev <ysrumyan@gmail.com>
478 PR rtl-optimization/68920
479 * config/i386/i386.c (ix86_option_override_internal): Restrict number
480 of conditional moves for RTL if-conversion to 1 for
481 TARGET_ONE_IF_CONV_INSN.
482 * config/i386/i386.h (TARGET_ONE_IF_CONV_INSN): New macros.
483 * config/i386/x86-tune.def (X86_TUNE_ONE_IF_CONV_INSN): New macros.
484 * params.def (PARAM_MAX_RTL_IF_CONVERSION_INSNS) : Introduce new
485 parameter to restirct number of conditional moves for
487 * doc/invoke.texi (max-rtl-if-conversion-insns): Document it.
488 * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Limit number of
491 2016-01-11 Alexandre Oliva <aoliva@redhat.com>
494 * var-tracking.c (drop_overlapping_mem_locs): Operate on all
495 onepart vars. Fix typo in comment. Fix reversed condition in
497 (dataflow_set_remove_mem_locs): Operate on all onepart vars.
500 * var-tracking.c (dump_onepart_variable_differences): New.
501 (dataflow_set_different): If a detailed dump is requested,
502 delay early returns and dump differences between onepart
503 variables present before and after, and added variables.
505 2016-01-11 Ilya Enkovich <enkovich.gnu@gmail.com>
508 * expr.c (expand_expr_real_1): For boolean vector constants
509 with a scalar mode use const_scalar_mask_from_tree.
510 (const_scalar_mask_from_tree): New.
511 * optabs.c (expand_vec_cond_mask_expr): Use mask mode
512 assigned to a mask type to handle constants.
514 2016-01-11 Martin Jambor <mjambor@suse.cz>
517 * ipa-cp.c (estimate_local_effects): Do not clone for removal of
518 useless parameters if we cannot change function signature.
520 2016-01-11 Martin Jambor <mjambor@suse.cz>
523 * cgraphclones.c (duplicate_thunk_for_node): Copy can_change_signature
526 2016-01-11 Tom de Vries <tom@codesourcery.com>
528 PR tree-optimization/69109
529 * tree-parloops.c (try_transform_to_exit_first_loop_alt): Don't allow
532 2016-01-11 Tom de Vries <tom@codesourcery.com>
534 PR tree-optimization/69108
535 * tree-parloops.c (gather_scalar_reductions): Handle case that outer phi
536 res is not used in a phi.
538 2016-01-11 Yury Gribov <y.gribov@samsung.com>
541 * common.opt (frandom-seed): Fix parameter name.
542 * doc/invoke.texi (frandom-seed): Ditto and describe parameter.
544 2016-01-11 Tom de Vries <tom@codesourcery.com>
546 PR tree-optimization/69058
547 * tree-parloops.c (pass_parallelize_loops::execute): Return 0 if libgomp
550 2016-01-11 Andrew Burgess <andrew.burgess@embecosm.com>
552 * config/arc/arc.opt (mdiv-rem): Add period to the end.
553 (mcode-density): Likewise.
555 2016-01-10 Tom de Vries <tom@codesourcery.com>
557 PR tree-optimization/69062
558 * tree-parloops.c (loop_has_phi_with_address_arg): New function.
559 (parallelize_loops): Don't paralelize loop that has phi with address
562 2016-01-10 Tom de Vries <tom@codesourcery.com>
564 PR tree-optimization/69039
565 * tree-parloops.c (try_create_reduction_list): Only allow single exit
568 2016-01-09 John David Anglin <danglin@gcc.gnu.org>
571 * match.pd: Require target has function_c99_misc before doing
572 truncl(extend(x)) and trunc(extend(x)) -> extend(truncf(x)), etc.
574 2016-01-09 Gerald Pfeifer <gerald@pfeifer.com>
576 * configure.ac (isl_options_set_schedule_serialize_sccs): Also
578 * configure: Regenerate.
580 2016-01-09 Jakub Jelinek <jakub@redhat.com>
583 PR tree-optimization/69097
584 * fold-const.h (expr_not_equal_to): New prototype.
585 * fold-const.c: Include stringpool.h and tree-ssanames.h.
586 (expr_not_equal_to): New function.
587 * match.pd (X % -Y is the same as X % Y): Don't optimize
588 unless X is known not to be equal to minimum or Y is known
589 not to be equal to -1.
590 * tree-vrp.c (simplify_div_or_mod_using_ranges): Add GSI argument.
591 fold TRUNC_MOD_EXPR if the second argument is not a power of two.
592 (simplify_stmt_using_ranges): Adjust caller.
593 (vrp_finalize): Call set_value_range on SSA_NAMEs before calling
596 2016-01-09 Jan Hubicka <hubicka@ucw.cz>
598 * ipa-icf.c (sem_item_optimizer::merge_classes): Do not ICE on VAR_DECL
601 2016-01-08 Jakub Jelinek <jakub@redhat.com>
603 PR tree-optimization/69167
604 * gimple-fold.c (replace_stmt_with_simplification): Also punt if
605 new SSA_NAME_OCCURS_IN_ABNORMAL_PHI SSA_NAMEs appear in operands of
607 * gimple-match-head.c (maybe_push_res_to_seq): Likewise.
609 2016-01-08 Alan Lawrence <alan.lawrence@arm.com>
610 Richard Biener <rguenther@suse.de>
612 PR tree-optimization/68707
613 * tree-vect-slp.c (vect_analyze_slp_instance): Cancel permuted SLP
614 instances that can be handled via vect_load_lanes.
616 2016-01-08 Uros Bizjak <ubizjak@gmail.com>
618 * symtab.c (symtab_node::equal_address_to): Return -1 instead of 2
619 if we can't determine address equivalence.
620 * alias.c (compare_base_decl): Update for changed return value of
621 symtab_node::equal_address_to.
623 2016-01-08 Jason Merrill <jason@redhat.com>
627 * function.c (assign_temp): Guard against TREE_ADDRESSABLE types here.
628 * expr.c (store_field): Not here.
629 * tree-cfgcleanup.c (fixup_noreturn_call): Don't clear LHS of a
630 call with TREE_ADDRESSABLE type.
631 * tree-cfg.c (verify_gimple_call): Adjust.
633 2016-01-08 Olivier Hainque <hainque@adacore.com>
635 * config/vxworks.h (VXWORKS_LIBGCC_SPEC): Don't link shared RTPs with
638 2016-01-08 Alan Lawrence <alan.lawrence@arm.com>
640 * gcc.target/rs6000/paired.md (reduc_smax_v2sf): Rename to...
641 (reduc_smax_scal_v2sf): ...here, make result SFmode, extract element.
642 (reduc_smin_v2sf): Rename to...
643 (reduc_smin_scal_v2sf): ...here, make result SFmode, extract element.
644 (reduc_splus_v2sf): Rename to...
645 (reduc_plus_scal_v2sf): ...here, make result SFmode, extract element.
647 2016-01-08 Jakub Jelinek <jakub@redhat.com>
649 PR tree-optimization/69162
650 * gimplify.c (gimplify_va_arg_expr): Encode original type of
651 valist argument in another argument.
652 (gimplify_modify_expr): Adjust for the above change. Cleanup.
653 * tree-stdarg.c (expand_ifn_va_arg_1): Use new 3rd argument
654 to determine the va_list type, build a MEM_REF instead of
655 build_fold_indirect_ref.
657 PR tree-optimization/69172
658 * gimple-fold.c (gimple_fold_builtin_memory_chk): Pass type to
661 2016-01-08 Thomas Preud'homme <thomas.preudhomme@arm.com>
663 PR tree-optimization/67781
664 * tree-ssa-math-opts.c (find_bswap_or_nop): Zero out bytes in cmpxchg
665 and cmpnop in two steps: first the ones not accessed in original
666 gimple expression in a endian independent way and then the ones not
667 accessed in the final result in an endian-specific way.
669 2016-01-08 Jakub Jelinek <jakub@redhat.com>
671 PR tree-optimization/69083
672 * tree-vect-slp.c (vect_get_constant_vectors): For
673 VECTOR_BOOLEAN_TYPE_P assert op is fold_convertible_p to vector_type's
674 element type. If op is fold_convertible_p to vector_type's element
675 type, use NOP_EXPR instead of VCE.
677 2016-01-08 Segher Boessenkool <segher@kernel.crashing.org>
679 PR rtl-optimization/67778
680 PR rtl-optimization/68634
681 PR rtl-optimization/68909
682 * shrink-wrap.c (try_shrink_wrapping): Add comment. Don't pop
683 block from the stack until done with it. Remove a superfluous
684 bitmap set. Remove a superfluous bitmap test.
686 2016-01-07 Martin Sebor <msebor@redhat.com>
689 * doc/extend.texi (__atomic Builtins, __sync Builtins): Document
690 constraint on the type of arguments.
692 2016-01-07 Andreas Tobler <andreast@gcc.gnu.org>
694 * config/arm/freebsd.h: Rename SUBTARGET_OVERRIDE_OPTIONS to
695 SUBTARGET_OVERRIDE_INTERNAL_OPTIONS. Adjust to check
696 unaligned_access on the gcc_options set.
697 * config/arm/arm.c (arm_option_override_internal): Use
698 SUBTARGET_OVERRIDE_INTERNAL_OPTIONS.
700 2016-01-07 Uros Bizjak <ubizjak@gmail.com>
703 * config/i386/i386.c (ix86_frame_pointer_required): Enable
704 frame pointer for TARGET_64BIT_MS_ABI when stack is misaligned.
706 2016-01-07 Uros Bizjak <ubizjak@gmail.com>
709 2016-01-06 Uros Bizjak <ubizjak@gmail.com>
712 * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
713 depending on frame_pointer_needed before remaining integer and SSE
716 2016-01-07 Sandra Loosemore <sandra@codesourcery.com>
719 * doc/extend.texi (Nvidia PDX Function Attributes): New section.
721 2016-01-07 H.J. Lu <hongjiu.lu@intel.com>
724 * config/i386/sse.md (<sse>_sqrt<mode>2<mask_name><round_name>):
725 Use the "xBm" constraint.
726 (float<sseintvecmodelower><mode>2<mask_name><round_name):
728 (sse_cvtsi2ss<round_name>): Use round_nimm_scalar_predicate.
729 (sse_cvtsi2ssq<round_name>): Likewise.
730 (sse_cvtss2si<round_name>): Likewise.
731 (sse_cvtss2siq<round_name>): Likewise.
732 (sse2_cvtsi2sdq<round_name>): Likewise.
733 (sse2_cvtsd2si<round_name>): Likewise.
734 (sse2_cvtsd2siq<round_name>): Likewise.
735 * config/i386/subst.md (round_nimm_scalar_predicate): New
738 2015-12-15 Bernd Schmidt <bschmidt@redhat.com>
741 * varasm.c (make_decl_rtl): Mark invalid register vars as
744 PR rtl-optimization/66206
745 * bt-load.c (find_btr_use): Change first arg to be a pointer to an rtx.
748 2016-01-07 Jakub Jelinek <jakub@redhat.com>
750 PR tree-optimization/69141
751 * tree-ssa-pre.c: Include langhooks.h.
752 (eliminate_dom_walker::before_dom_children): Use
753 lang_hooks.decl_printable_name instead of
754 cgraph_node::get ()->name ().
757 * gimple-expr.c (copy_var_decl): If var has DECL_USER_ALIGN set, copy
758 it and DECL_ALIGN too.
760 2016-01-06 Robert Suchanek <robert.suchanek@imgtec.com>
762 * config/mips/mips-ftypes.def: Sort to lexicographical order.
764 2016-01-06 Uros Bizjak <ubizjak@gmail.com>
767 * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
768 depending on frame_pointer_needed before remaining integer and SSE
771 2015-01-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
773 * config/rs6000/vsx.md (*p9_vecload_<mode>): Replace VSX_M
774 mode iterator with VSX_M2.
775 (*p9_vecstore_<mode>): Likewise.
776 (*vsx_le_permute_<mode>): Restrict to !TARGET_P9_VECTOR.
777 (*vsx_le_perm_load_<mode> for VSX_LE_128): Likewise.
778 (*vsx_le_perm_store_<mode> for VSX_LE_128): Likewise.
779 (define_split for VSX_LE128 stores): Likewise.
780 (define_peephole2 for TImode LE swaps): Likewise.
781 (define_split for VSX_LE128 post-reload stores): Likewise.
783 2016-01-06 Marek Polacek <polacek@redhat.com>
786 * convert.c (convert_to_integer_1): Adjust call to
787 ubsan_instrument_float_cast. Use NULL_TREE instead of NULL.
788 * ubsan.c (ubsan_instrument_float_cast): Drop the ARG parameter. Use
790 * ubsan.h (ubsan_instrument_float_cast): Adjust declaration.
792 2016-01-05 Sandra Loosemore <sandra@codesourcery.com>
795 * doc/extend.texi (RL78 Variable Attributes): New section.
797 2016-01-05 Marek Polacek <polacek@redhat.com>
800 * builtins.c (get_memmodel): Use expansion point location rather than
801 the input location. Call warning_at rather than warning.
802 (expand_builtin_atomic_compare_exchange): Likewise.
803 (expand_builtin_atomic_load): Likewise.
804 (expand_builtin_atomic_store): Likewise.
805 (expand_builtin_atomic_clear): Likewise.
807 2016-01-05 H.J. Lu <hongjiu.lu@intel.com>
810 * config/i386/i386.c (ix86_expand_vector_logical_operator):
811 Replace nonimmediate_operand with vector_operand.
812 * config/i386/predicates.md (vector_operand): New predicate.
813 (general_vector_operand): Replace nonimmediate_operand with
815 * config/i386/sse.md: Replace nonimmediate_operand with
816 vector_operand and m constraint with Bm constraint on SSE
817 patterns with 16-byte memory operand.
818 * config/i386/subst.md (round_nimm_predicate): Replace
819 nonimmediate_operand with vector_operand.
820 (round_saeonly_nimm_predicate): Likewise.
821 (round_saeonly_nimm_scalar_predicate): New.
823 2016-01-05 H.J. Lu <hongjiu.lu@intel.com>
826 * config/i386/constraints.md (Bm): New constraint.
827 * config/i386/predicates.md (vector_memory_operand): New
829 * config/i386/sse.md: Replace xm with xBm in plusminus and
832 2016-01-05 Sandra Loosemore <sandra@codesourcery.com>
835 * doc/extend.texi (V850 Function Attributes): New section.
836 (V850 Variable Attributes): New section.
838 2016-01-05 Sandra Loosemore <sandra@codesourcery.com>
841 * doc/extend.texi (MicroBlaze Function Attributes): Document
842 interrupt_handler and fast_interrupt attributes.
844 2016-01-05 Sergei Trofimovich <siarheit@google.com>
847 * config/ia64/ia64.c (ia64_expand_load_address): Use gprel64
848 for local symbolic operands.
849 * config/ia64/predicates.md (local_symbolic_operand64): New
852 2016-01-05 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
854 PR rtl-optimization/68651
855 * combine.c (combine_simplify_rtx): Canonicalize x + x into
858 2016-01-05 Nathan Sidwell <nathan@acm.org>
860 * alias.c (compare_base_decls): Use symtab_node::get.
862 2016-01-05 Nick Clifton <nickc@redhat.com>
865 * ira-costs.c (copy_cost): Initialise the t_icode field of the
866 secondary_reload_info structure.
869 * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Define to use weak
870 decls if weak support is available.
872 2016-01-04 Martin Sebor <msebor@redhat.com>
874 * doc/invoke.texi (Warning Options): Document -Winvalid-memory-model.
876 2016-01-04 Michael Meissner <meissner@linux.vnet.ibm.com>
878 * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Add
879 OPTION_MASK_P9_DFORM.
881 * config/rs6000/constraints.md (wo constraint): New constraint for
884 * config/rs6000/rs6000.c (rs6000_debug_reg_global): Add support
886 (rs6000_init_hard_regno_mode_ok): Likewise.
888 * config/rs6000/rs6000.h (r6000_reg_class_enum): Add support for
891 * config/rs6000/altivec.md (altivec_vperm_<mode>): Clean up vperm
892 expanders not to have constraints. Add support for ISA 3.0 xxperm
893 instruction. Add support for fusing xxlor with xxperm.
894 (altivec_vperm_<mode>_internal): Likewise.
895 (altivec_vperm_v8hiv16qi): Likewise.
896 (altivec_vperm_<mode>v16q): Likewise.
897 (altivec_vperm_<mode>_uns): Likewise.
898 (vperm_v8hiv4si): Likewise.
899 (vperm_v16qiv8hi): Likewise.
901 * doc/md.texi (RS/6000 constraints): Document wo constraint.
903 2016-01-04 Jakub Jelinek <jakub@redhat.com>
905 Update copyright years.
907 * gcc.c (process_command): Update copyright notice dates.
908 * gcov-dump.c (print_version): Ditto.
909 * gcov.c (print_version): Ditto.
910 * gcov-tool.c (print_version): Ditto.
911 * gengtype.c (create_file): Ditto.
912 * doc/cpp.texi: Bump @copying's copyright year.
913 * doc/cppinternals.texi: Ditto.
914 * doc/gcc.texi: Ditto.
915 * doc/gccint.texi: Ditto.
916 * doc/gcov.texi: Ditto.
917 * doc/install.texi: Ditto.
918 * doc/invoke.texi: Ditto.
920 2016-01-04 Eric Botcazou <ebotcazou@adacore.com>
922 * config/arm/arm.c (aapcs_vfp_allocate_return_reg): Treat all integer
923 modes larger than TImode as TImode if NEON is not enabled.
925 2016-01-04 Eric Botcazou <ebotcazou@adacore.com>
928 * config/sparc/sparc.h (FUNCTION_ARG_REGNO_P): Return true in 64-bit
929 mode for %f0-%f31 only if TARGET_FPU.
931 2016-01-04 Eric Botcazou <ebotcazou@adacore.com>
934 * config/sparc/sparc.c (scan_record_type): Take into account subfields
935 to compute the PACKED_P predicate.
936 (function_arg_record_value): Minor tweaks.
938 2016-01-04 Thomas Preud'homme <thomas.preudhomme@arm.com>
940 * doc/install.texi (--with-multilib-list): Describe the meaning of the
941 option for arm*-*-* targets.
943 2016-01-03 Sandra Loosemore <sandra@codesourcery.com>
945 * doc/extend.texi (Common Function Attributes): Move docs for
946 MSP430-specific attributes to....
947 (MSP430 Function Attributes): ...here. Delete the redundant
948 entries and copy-edit the remaining text.
949 (MSP430 Variable Attributes): Use uniform format for index
950 entries and add a cross-reference to the corresponding function
953 2016-01-03 Vladimír Čunát <vcunat@gmail.com>
955 * doc/invoke.texi (RS/6000 and PowerPC Options): Fix
957 (x86 Options): Likewise.
959 2016-01-01 Sandra Loosemore <sandra@codesourcery.com>
963 * extend.texi (Common Function Attributes) <no_stack_limit>: New.
964 * invoke.texi (Code Gen Options) <-fno-stack-limit>: Add pointer
965 to corresponding attribute.
967 2016-01-01 Sandra Loosemore <sandra@codesourcery.com>
969 * doc/extend.texi (Common Function Attributes) <noplt>: Move
970 to correct alphabetization of table. Copy-edit and correct
972 <stack_protect>: Likewise.
973 <target_clones>: Likewise.
975 * doc/invoke.texi (Optimize Options) <-fstack-protector-explicit>:
977 (Code Gen Options) <-fno-plt>: Copy-edit.
979 2016-01-01 Bernd Edlinger <bernd.edlinger@hotmail.de>
982 * config/tilegx/tilegx.md (clzsi2): Don't create DI subregs of
983 SI values. Explicitly convert SI to DI and vice-versa.
985 2016-01-01 Jakub Jelinek <jakub@redhat.com>
987 PR tree-optimization/69070
988 * tree-ssa-math-opts.c (gimple_expand_builtin_pow): Only test
989 REAL_VALUE_ISSIGNALING_NAN on arg0 if arg0 is a REAL_CST.
992 * ubsan.c (ubsan_instrument_float_cast): Call
993 initialize_sanitizer_builtins.
996 * ifcvt.c (find_cond_trap): Give up if returnjump_p (jump).
998 Copyright (C) 2016 Free Software Foundation, Inc.
1000 Copying and distribution of this file, with or without modification,
1001 are permitted in any medium without royalty provided the copyright
1002 notice and this notice are preserved.