1 2016-09-16 Jakub Jelinek <jakub@redhat.com>
4 * combine.c (rest_of_handle_combine): If any edges have been purged,
5 free dominators if available.
7 2016-09-16 Jakub Jelinek <jakub@redhat.com>
8 Eric Botcazou <ebotcazou@adacore.com>
11 * internal-fn.c (expand_arith_overflow) <case MINUS_EXPR>: Don't fall
12 through into expand_addsub_overflow after expand_neg_overflow.
14 2016-09-15 David Malcolm <dmalcolm@redhat.com>
16 * diagnostic-show-locus.c
17 (selftest::test_fixit_insert_containing_newline): New function.
18 (selftest::test_fixit_replace_containing_newline): New function.
19 (selftest::diagnostic_show_locus_c_tests): Call the above.
21 2016-09-15 Bin Cheng <bin.cheng@arm.com>
23 PR tree-optimization/77503
24 * tree-vect-loop.c (vectorizable_reduction): Record reduction
25 code for CONST_COND_REDUCTION at analysis stage and use it at
27 * tree-vectorizer.h (struct _stmt_vec_info): New field.
28 (STMT_VINFO_VEC_CONST_COND_REDUC_CODE): New macro.
29 * tree-vect-stmts.c (new_stmt_vec_info): Initialize above new
32 2016-09-15 Richard Biener <rguenther@suse.de>
35 * fold-const.c (split_tree): Do not split constant ~X.
37 2016-09-15 Jakub Jelinek <jakub@redhat.com>
39 PR rtl-optimization/77425
40 * sched-int.h (sd_iterator_cond): Don't update it_ptr->linkp if list
44 * config/i386/i386.c (ix86_parse_stringop_strategy_string): Simplify,
45 use %qs instead of %s where desirable, use argument instead of arg in
46 the diagnostic wording, add list of supported strategies and
48 (ix86_option_override_internal): Emit target("m...") instead of
49 option("m...") in the diagnostic. Use %qs instead of %s in invalid
50 -march/-mtune option diagnostic. Add list of supported arches/tunings
51 and spellcheck hint. Remove prefix, suffix and sw variables, use
52 main_args_p ? "..." : "..." in diagnostics to make translation
55 2016-09-15 Richard Biener <rguenther@suse.de>
57 * dwarf2asm.h (dw2_asm_output_offset): Add overload with
58 extra offset argument.
59 * dwarf2asm.c (dw2_asm_output_offset): Implement that.
60 * doc/tm.texi.in (ASM_OUTPUT_DWARF_OFFSET): Adjust documentation
61 to reflect new offset parameter.
62 * doc/tm.texi: Regenerate.
63 * config/darwin.h (ASM_OUTPUT_DWARF_OFFSET): Adjust.
64 * config/darwin-protos.h (darwin_asm_output_dwarf_delta): Add
66 (darwin_asm_output_dwarf_offset): Likewise.
67 * config/darwin.c (darwin_asm_output_dwarf_delta): Add offset
69 (darwin_asm_output_dwarf_offset): Pass offset argument through.
70 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Adjust.
71 * config/i386/cygmin.h (ASM_OUTPUT_DWARF_OFFSET): Likewise.
73 2016-09-15 Chung-Lin Tang <cltang@codesourcery.com>
76 * ipa-icf.c (set_alias_uids): New function.
77 (sem_variable::merge): Use set_alias_uids to set DECL_PT_UID of
78 all the merged variable's referring aliases.
80 2016-09-15 Richard Biener <rguenther@suse.de>
82 PR tree-optimization/77514
83 * tree-ssa-pre.c (create_expression_by_pieces): Handle garbage
84 only forced_stmts sequence.
86 2016-09-15 Kugan Vivekanandarajah <kuganv@linaro.org>
88 * tree-ssanames.h (FOR_EACH_SSA_NAME): New.
89 * cfgexpand.c (update_alias_info_with_stack_vars): Use
90 FOR_EACH_SSA_NAME to iterate over SSA variables.
91 (pass_expand::execute): Likewise.
92 * omp-simd-clone.c (ipa_simd_modify_function_body): Likewise.
93 * tree-cfg.c (dump_function_to_file): Likewise.
94 * tree-into-ssa.c (pass_build_ssa::execute): Likewise.
95 (update_ssa): Likewise.
96 * tree-ssa-alias.c (dump_alias_info): Likewise.
97 * tree-ssa-ccp.c (ccp_finalize): Likewise.
98 * tree-ssa-coalesce.c (build_ssa_conflict_graph): Likewise.
99 (create_outofssa_var_map): Likewise.
100 (coalesce_ssa_name): Likewise.
101 * tree-ssa-operands.c (dump_immediate_uses): Likewise.
102 * tree-ssa-pre.c (compute_avail): Likewise.
103 * tree-ssa-sccvn.c (init_scc_vn): Likewise.
104 (scc_vn_restore_ssa_info): Likewise.
105 (free_scc_vn): Likwise.
106 (run_scc_vn): Likewise.
107 * tree-ssa-structalias.c (compute_points_to_sets): Likewise.
108 * tree-ssa-ter.c (new_temp_expr_table): Likewise.
109 * tree-ssa-copy.c (fini_copy_prop): Likewise.
110 * tree-ssa.c (verify_ssa): Likewise.
112 2016-09-14 Matthew Fortune <matthew.fortune@imgtec.com>
114 * config.gcc (mips*-mti-elf*, mips*-mti-linux*): Set mips32r2
115 and mips64r2 as default 32-bit and 64-bit architectures.
116 (mips*-img-elf*, mips*-img-linux*): Set mips32r6 and mips64r6
117 as default 32-bit and 64-bit architectures.
119 2016-09-14 Pat Haugen <pthaugen@us.ibm.com>
121 * loop-unroll.c (unroll_loop_runtime_iterations): Set probability of succ edge.
123 2016-09-14 Segher Boessenkool <segher@kernel.crashing.org>
125 * target.def (lra_p): Change commentary (for the manual) for the
127 * doc/tm.texi: Regenerate.
129 2016-09-14 Segher Boessenkool <segher@kernel.crashing.org>
131 * config/aarch64/aarch64.c (TARGET_LRA_P): Delete macro.
132 * config/arm/arm.c (TARGET_LRA_P): Delete macro.
133 * config/i386/i386.c (TARGET_LRA_P): Delete macro.
134 * config/nds32/nds32.c (TARGET_LRA_P): Delete macro.
136 2016-09-14 Segher Boessenkool <segher@kernel.crashing.org>
138 * targhooks.c (default_lra_p): Return true instead of false.
140 2016-09-14 Segher Boessenkool <segher@kernel.crashing.org>
142 * config/alpha/alpha.c (TARGET_LRA_P): New macro, defined to
143 hook_bool_void_false.
144 * config/avr/avr.c: Ditto.
145 * config/bfin/bfin.c: Ditto.
146 * config/c6x/c6x.c: Ditto.
147 * config/cr16/cr16.c: Ditto.
148 * config/cris/cris.c: Ditto.
149 * config/epiphany/epiphany.c: Ditto.
150 * config/fr30/fr30.c: Ditto.
151 * config/frv/frv.c: Ditto.
152 * config/h8300/h8300.c: Ditto.
153 * config/ia64/ia64.c: Ditto.
154 * config/iq2000/iq2000.c: Ditto.
155 * config/lm32/lm32.c: Ditto.
156 * config/m32c/m32c.c: Ditto.
157 * config/m32r/m32r.c: Ditto.
158 * config/m68k/m68k.c: Ditto.
159 * config/mcore/mcore.c: Ditto.
160 * config/microblaze/microblaze.c: Ditto.
161 * config/mmix/mmix.c: Ditto.
162 * config/mn10300/mn10300.c: Ditto.
163 * config/moxie/moxie.c: Ditto.
164 * config/msp430/msp430.c: Ditto.
165 * config/nios2/nios2.c: Ditto.
166 * config/nvptx/nvptx.c: Ditto.
167 * config/pa/pa.c: Ditto.
168 * config/pdp11/pdp11.c: Ditto.
169 * config/rl78/rl78.c: Ditto.
170 * config/sparc/sparc.c: Ditto.
171 * config/spu/spu.c: Ditto.
172 * config/stormy16/stormy16.c: Ditto.
173 * config/tilegx/tilegx.c: Ditto.
174 * config/tilepro/tilepro.c: Ditto.
175 * config/v850/v850.c: Ditto.
176 * config/vax/vax.c: Ditto.
177 * config/visium/visium.c: Ditto.
178 * config/xtensa/xtensa.c: Ditto.
180 2016-09-14 Jakub Jelinek <jakub@redhat.com>
183 * tsan.c: Include target.h.
184 (enum tsan_atomic_action): Add bool_clear and bool_test_and_set.
185 (BOOL_CLEAR, BOOL_TEST_AND_SET): Define.
186 (tsan_atomic_table): Add BUILT_IN_ATOMIC_CLEAR and
187 BUILT_IN_ATOMIC_TEST_AND_SET entries.
188 (instrument_builtin_call): Handle bool_clear and bool_test_and_set.
190 2016-09-14 Bernd Edlinger <bernd.edlinger@hotmail.de>
191 Martin Liska <mliska@suse.cz>
194 * predict.c (force_edge_cold): Add braces to a condition.
196 2016-09-13 Bernd Edlinger <bernd.edlinger@hotmail.de>
198 PR rtl-optimization/77289
199 * lra-constraints.c (get_final_hard_regno): Removed.
200 (get_hard_regno): Add new parameter final_p.
201 (get_reg_class): Directly call lra_get_elimination_hard_regno.
202 (operands_match_p): Adjust call to get_hard_regno.
203 (uses_hard_regs_p): Likewise.
204 (process_alt_operands): Likewise.
206 2016-09-13 Joe Seymour <joe.s@somniumtech.com>
209 * config/msp430/msp430.c (msp430_start_function): Emit an error
210 if a function is both weak and specifies an interrupt number.
212 2016-09-13 Jakub Jelinek <jakub@redhat.com>
214 PR tree-optimization/77454
215 * tree-ssa-dom.c (optimize_stmt): Set modified flag on stmt after
216 changing GIMPLE_COND. Move update_stmt_if_modified call after this.
219 2016-09-13 Tamar Christina <tamar.christina@arm.com>
221 * config/aarch64/aarch64-builtins.c
222 (aarch64_init_simd_builtins): Fix builtin type signature printing.
224 2016-09-13 Uros Bizjak <ubizjak@gmail.com>
226 * config/alpha/alpha.c (alpha_pass_by_reference): Pass un-named
227 SFmode and SCmode arguments by reference.
229 2016-09-13 David Malcolm <dmalcolm@redhat.com>
231 * diagnostic-show-locus.c (selftest::test_one_liner_fixit_insert):
233 (selftest::test_one_liner_fixit_insert_before): ...this, and update
234 for renaming of add_fixit_insert to add_fixit_insert_before.
235 (selftest::test_one_liner_fixit_insert_after): New function.
236 (selftest::test_one_liner_fixit_validation_adhoc_locations):
237 Update for renaming of add_fixit_insert to add_fixit_insert_before.
238 (selftest::test_one_liner_many_fixits): Likewise.
239 (selftest::test_diagnostic_show_locus_one_liner): Update for
240 renaming, call new test function.
241 (selftest::test_diagnostic_show_locus_fixit_lines): Update for
242 renaming of add_fixit_insert to add_fixit_insert_before.
243 (selftest::test_fixit_consolidation): Likewise.
244 * diagnostic.c (selftest::test_print_parseable_fixits_insert):
246 * edit-context.c (selftest::test_applying_fixits_insert): Rename to...
247 (selftest::test_applying_fixits_insert_before): ...this.
248 (selftest::test_applying_fixits_insert): Update for renaming of
249 add_fixit_insert to add_fixit_insert_before.
250 (selftest::test_applying_fixits_insert_after): New function.
251 (selftest::test_applying_fixits_insert_after_at_line_end): New
253 (selftest::test_applying_fixits_insert_after_failure): New function.
254 (selftest::test_applying_fixits_multiple): Update for renaming of
255 add_fixit_insert to add_fixit_insert_before.
256 (selftest::change_line): Likewise.
257 (selftest::test_applying_fixits_unreadable_file): Likewise.
258 (selftest::test_applying_fixits_line_out_of_range): Likewise.
259 (selftest::test_applying_fixits_column_validation): Likewise.
260 (selftest::test_applying_fixits_column_validation): Likewise.
261 (selftest::edit_context_c_tests): Update for renamed test function;
262 call new test functions.
264 2016-09-13 Pat Haugen <pthaugen@us.ibm.com>
266 PR tree-optimization/77536
267 PR rtl-optimization/68212
268 * config/rs6000/rs6000.md (div->recip splitter): Remove
269 optimize_insn_for_speed_p condition.
271 2016-09-13 Maciej W. Rozycki <macro@imgtec.com>
273 * optabs.c (prepare_cmp_insn): Update documentation comment.
275 2016-09-13 Jakub Jelinek <jakub@redhat.com>
276 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
279 * opts.h (candidates_list_and_hint): Declare.
280 * opts-common.c (candidates_list_and_hint): New function.
281 (cmdline_handle_error): Use it.
283 2016-09-12 David Malcolm <dmalcolm@redhat.com>
285 * edit-context.c (edited_line::get_len): New accessor.
286 (edited_file::print_diff): Split out hunk-printing into...
287 (edited_file::print_diff_hunk): New method.
288 (edited_file::print_diff_line): New method.
290 2016-09-12 Andrew Pinski <apinski@cavium.com>
292 * config/aarch64/aarch64-tuning-flags.def (SLOW_UNALIGNED_LDPW):
294 * config/aarch64/aarch64.c (thunderx_tunings): Enable
295 AARCH64_EXTRA_TUNE_SLOW_UNALIGNED_LDPW.
296 (aarch64_operands_ok_for_ldpstp): Return false if
297 AARCH64_EXTRA_TUNE_SLOW_UNALIGNED_LDPW and the mode
298 was SImode and the alignment is less than 8 byte.
299 (aarch64_operands_adjust_ok_for_ldpstp): Likewise.
301 2016-09-12 Orlando Arias <oarias@knights.ucf.edu>
304 * config/msp430/msp430.md (delay_cycles_32x): Fix pushm/popm.
306 2016-09-12 Marek Polacek <polacek@redhat.com>
308 * doc/extend.texi: Use lowercase "boolean".
309 * doc/invoke.texi: Likewise.
310 * doc/md.texi: Likewise.
311 * target.def: Likewise.
312 * doc/tm.texi: Regenerated.
314 2016-09-12 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
317 * expmed.c (synth_mult): Delete duplicate mode check.
319 2016-09-10 Tom de Vries <tom@codesourcery.com>
322 * builtins.c (std_canonical_va_list_type): Strictly return non-null for
324 * config/i386/i386.c (ix86_canonical_va_list_type): Same.
325 * gimplify.c (gimplify_va_arg_expr): Handle &va_list.
327 2016-09-09 Peter Bergner <bergner@vnet.ibm.com>
329 PR rtl-optimization/77289
330 * lra-constraints.c (get_final_hard_regno): Add support for non hard
331 register numbers. Remove support for subregs.
332 (get_hard_regno): Use SUBREG_P. Don't call get_final_hard_regno().
333 (get_reg_class): Delete removed get_final_hard_regno() argument.
334 (uses_hard_regs_p): Call get_final_hard_regno().
336 2016-09-09 Martin Sebor <msebor@redhat.com>
340 * pretty-print.c (pp_quoted_string): New function.
341 (pp_format): Call it for %c and %s directives.
343 2016-09-10 Bernd Edlinger <bernd.edlinger@hotmail.de>
345 * doc/tm.texi.in (INITIAL_FRAME_POINTER_OFFSET): Remove.
346 (ELIMINABLE_REGS, TARGET_CAN_ELIMINATE,
347 INITIAL_ELIMINATION_OFFSET) : Update documentation.
348 * target.def (frame_pointer_required, can_eliminate): Likewise.
349 * doc/tm.texi: Regenerated.
350 * builtins.c (expand_builtin_setjmp_receiver): Remove #ifdef
352 * df-scan.c (df_hard_reg_init): Likewise.
353 * ira.c (ira_setup_eliminable_regset): Likewise.
354 * lra-eliminations.c (reg_eliminate_1, (update_reg_eliminate,
355 init_elim_table): Likewise.
356 * reload1.c (reg_eliminate_1, verify_initial_elim_offsets,
357 set_initial_elim_offsets, update_eliminables,
358 init_elim_table): Likewise.
359 * rtlanal.c (get_initial_register_offset): Likewise.
360 * config/ft32/ft32.h (INITIAL_FRAME_POINTER_OFFSET): Remove.
361 * config/m32r/m32r.h (INITIAL_FRAME_POINTER_OFFSET): Likewise.
362 * config/moxie/moxie.h (INITIAL_FRAME_POINTER_OFFSET): Likewise.
363 * config/vax/vax.h (INITIAL_FRAME_POINTER_OFFSET): Likewise.
364 * config/fr30/fr30.h: Fix comment.
365 * config/frv/frv.c: Likewise.
366 * config/frv/frv.h: Likewise.
367 * config/ft32/ft32.h: Likewise.
368 * config/visium/visium.h: Likewise.
369 * config/pa/pa64-linux.h: Likewise.
370 * config/v850/v850.h: Likewise.
371 * config/cris/cris.c: Likewise.
372 * config/ia64/ia64.h: Likewise.
373 * config/moxie/moxie.h: Likewise.
374 * config/m32r/m32r.h: Likewise.
376 2016-09-10 Alexander Ivchenko <alexander.ivchenko@intel.com>
379 * config.in: Regenerate.
380 * config/i386/linux-common.h (MPX_LD_AS_NEEDED_GUARD_PUSH):
382 (MPX_LD_AS_NEEDED_GUARD_PUSH): Ditto.
383 (LIBMPXWRAPPERS_SPEC): Remove "--no-whole-archive" from
384 static-libmpxwrappers case.
385 (LIBMPX_SPEC): Add guards with MPX_LD_AS_NEEDED_GUARD_PUSH and
386 MPX_LD_AS_NEEDED_GUARD_POP.
387 * configure: Regenerate.
388 * configure.ac (HAVE_LD_PUSHPOPSTATE_SUPPORT): New variable.
389 defined if linker support "--push-state"/"--pop-state".
391 2016-09-09 Bernd Edlinger <bernd.edlinger@hotmail.de>
393 * doc/cpp.texi (__*_WIDTH__): Small wording fixes.
395 2016-09-09 Joseph Myers <joseph@codesourcery.com>
397 * doc/cpp.texi (__SCHAR_WIDTH__, __SHRT_WIDTH__, __INT_WIDTH__)
398 (__LONG_WIDTH__, __LONG_LONG_WIDTH__, __PTRDIFF_WIDTH__)
399 (__SIG_ATOMIC_WIDTH__, __SIZE_WIDTH__, __WCHAR_WIDTH__)
400 (__WINT_WIDTH__, __INT_LEAST8_WIDTH__, __INT_LEAST16_WIDTH__)
401 (__INT_LEAST32_WIDTH__, __INT_LEAST64_WIDTH__)
402 (__INT_FAST8_WIDTH__, __INT_FAST16_WIDTH__, __INT_FAST32_WIDTH__)
403 (__INT_FAST64_WIDTH__, __INTPTR_WIDTH__, __INTMAX_WIDTH__):
405 * ginclude/stdint-gcc.h [__STDC_WANT_IEC_60559_BFP_EXT__]: Define
406 width macros from TS 18661-1.
407 * glimits.h [__STDC_WANT_IEC_60559_BFP_EXT__]: Likewise.
409 2016-09-08 Jakub Jelinek <jakub@redhat.com>
412 * omp-low.c (lower_rec_simd_input_clauses): Use max_vf for non-positive
413 OMP_CLAUSE_SAFELEN_EXPR.
415 2016-09-07 David Malcolm <dmalcolm@redhat.com>
417 * Makefile.in (OBJS): Add substring-locations.o.
418 * langhooks-def.h (class substring_loc): New forward decl.
419 (lhd_get_substring_location): New decl.
420 (LANG_HOOKS_GET_SUBSTRING_LOCATION): New macro.
421 (LANG_HOOKS_INITIALIZER): Add LANG_HOOKS_GET_SUBSTRING_LOCATION.
422 * langhooks.c (lhd_get_substring_location): New function.
423 * langhooks.h (class substring_loc): New forward decl.
424 (struct lang_hooks): Add field get_substring_location.
425 * substring-locations.c: New file, taking definition of
426 format_warning_va and format_warning_at_substring from
427 c-family/c-format.c, making them non-static.
428 * substring-locations.h (class substring_loc): Move class here
429 from c-family/c-common.h. Add and rewrite comments.
430 (format_warning_va): New decl.
431 (format_warning_at_substring): New decl.
432 (get_source_location_for_substring): Add comment.
434 2016-09-07 Eric Gallager <egall@gwmail.gwu.edu>
436 * config/i386/i386.c: Add 'U' suffix to processor feature bits
437 to avoid -Wnarrowing warning.
438 * config/i386/x86-tune.def: Likewise for DEF_TUNE selector bitmasks.
439 * opts.c: Likewise for SANITIZER_OPT bitmasks.
441 2016-09-07 Wilco Dijkstra <wdijkstr@arm.com>
443 * config/aarch64/aarch64.c (aarch64_legitimize_address):
444 Avoid use of base_offset if offset already in range.
446 2016-09-07 Kaz Kojima <kkojima@gcc.gnu.org>
448 * config/sh/sh-protos.h (struct sh_atomic_model,
449 selected_atomic_model, TARGET_ATOMIC_ANY, TARGET_ATOMIC_STRICT,
450 TARGET_ATOMIC_SOFT_GUSA, TARGET_ATOMIC_HARD_LLCS,
451 TARGET_ATOMIC_SOFT_TCB, TARGET_ATOMIC_SOFT_IMASK): Move to...
452 * config/sh/sh.h (struct sh_atomic_model,
453 selected_atomic_model, TARGET_ATOMIC_ANY, TARGET_ATOMIC_STRICT,
454 TARGET_ATOMIC_SOFT_GUSA, TARGET_ATOMIC_HARD_LLCS,
455 TARGET_ATOMIC_SOFT_TCB, TARGET_ATOMIC_SOFT_IMASK): ...here.
456 Guard with __cplusplus.
458 2016-09-06 Jakub Jelinek <jakub@redhat.com>
461 * config/i386/i386.c (ix86_expand_builtin): For builtin with
462 unsupported or unknown ISA, use expand_call.
464 2016-09-06 Martin Liska <mliska@suse.cz>
466 PR gcov-profile/77378
467 PR gcov-profile/77466
468 * tree-profile.c (tree_profiling): Detect whether target can use
469 -fprofile-update=atomic.
471 2016-09-06 Richard Biener <rguenther@suse.de>
473 PR tree-optimization/77479
474 * tree-vrp.c (update_value_range): Extend overflow handling to
477 2016-09-05 Jakub Jelinek <jakub@redhat.com>
480 * config/i386/i386.md (isa): Add x64_avx512bw.
481 (*zero_extendsidi2): For alternative 11 use x64_avx512bw isa.
482 (kmov_isa): New mode attr.
483 (zero_extend<mode>di2): Use <kmov_isa> isa for the last alternative.
484 (*zero_extend<mode>si2): Likewise.
485 (*zero_extendqihi2): Use avx512dq isa for the last alternative.
487 2016-09-05 Gerald Pfeifer <gerald@pfeifer.com>
489 * doc/invoke.texi (SPU Options): nops -> NOPs.
490 (x86 Options): Ditto.
492 2016-09-05 Jakub Jelinek <jakub@redhat.com>
495 * toplev.c (process_options): Temporarily set input_location
496 to UNKNOWN_LOCATION around targetm.target_option.override () call.
498 2016-09-05 Uros Bizjak <ubizjak@gmail.com>
500 PR rtl-optimization/77452
501 * explow.c (plus_constant) <case MEM>: Extract scalar constant from
502 inner-mode reference to a CONST_VECTOR constant in the constant pool.
504 2016-09-05 Marek Polacek <polacek@redhat.com>
507 * doc/invoke.texi: Update -Wlogical-not-parentheses documentation.
509 2016-09-05 Jakub Jelinek <jakub@redhat.com>
512 * gensupport.c (alter_output_for_subst_insn): Remove redundant
513 *insn_out == '*' test. Don't copy unnecessary to yet another
514 memory buffer, and don't leak it.
516 PR rtl-optimization/77425
517 * ipa-devirt.c (get_odr_type): Set val->id unconditionally.
519 2016-09-03 Kirill Yukhin <kirill.yukhin@intel.com>
521 * ubsan.c (ubsan_use_new_style_p): Fix check for empty string.
523 2016-09-02 David Malcolm <dmalcolm@redhat.com>
525 * common.opt (fdiagnostics-generate-patch): New option.
526 * diagnostic.c: Include "edit-context.h".
527 (diagnostic_initialize): Initialize context->edit_context_ptr.
528 (diagnostic_finish): Delete context->edit_context_ptr.
529 (diagnostic_report_diagnostic): Add fix-it hints from the
530 diagnostic to context->edit_context_ptr, if any.
531 * diagnostic.h (class edit_context): Add forward decl.
532 (struct diagnostic_context): Add field "edit_context_ptr".
533 * doc/invoke.texi (Diagnostic Message Formatting Options): Add
534 -fdiagnostics-generate-patch.
535 (-fdiagnostics-generate-patch): New item.
536 * toplev.c: Include "edit-context.h".
537 (process_options): Set global_dc->edit_context_ptr to a new
538 edit_context if the options need one.
539 (toplev::main): Handle -fdiagnostics-generate-patch by using
540 global_dc->edit_context_ptr.
542 2016-09-02 Jakub Jelinek <jakub@redhat.com>
545 * gimplify.c (gimplify_adjust_omp_clauses_1): Diagnose implicit
546 map and firstprivate clauses on target construct for _Atomic
548 (gimplify_adjust_omp_clauses): Diagnose explicit firstprivate clauses
549 on target construct for _Atomic qualified decls.
550 * omp-low.c (use_pointer_for_field): Return true for _Atomic qualified
552 * omp-simd-clone.c (simd_clone_clauses_extract): Warn and give up for
553 _Atomic qualified arguments not mentioned in uniform clause.
555 2016-09-02 David Malcolm <dmalcolm@redhat.com>
557 * Makefile.in (OBJS-libcommon): Add edit-context.o.
558 * diagnostic-color.c (color_dict): Add "diff-filename",
559 "diff-hunk", "diff-delete", and "diff-insert".
560 (parse_gcc_colors): Update default value of GCC_COLORS in comment
561 to reflect above changes.
562 * doc/invoke.texi (-fdiagnostics-color): Update description of
563 default GCC_COLORS, and of the supported capabilities.
564 * edit-context.c: New file.
565 * edit-context.h: New file.
566 * input.c (struct fcache): Add field "missing_trailing_newline".
567 (diagnostics_file_cache_forcibly_evict_file): Initialize it to
569 (add_file_to_cache_tab): Likewise.
570 (fcache::fcache): Likewise.
571 (get_next_line): Update c->missing_trailing_newline.
572 (location_missing_trailing_newline): New function.
573 * input.h (location_missing_trailing_newline): New decl.
574 * selftest-run-tests.c (selftest::run_tests): Call
575 edit_context_c_tests.
576 * selftest.h (edit_context_c_tests): New decl.
578 2016-09-02 Jakub Jelinek <jakub@redhat.com>
579 Richard Biener <rguenth@suse.de>
581 PR tree-optimization/77444
582 * tree-ssa-loop-ivopts.c (cand_value_at): For pointers use sizetype
583 as steptype, remove redundant initialization.
585 2016-09-02 Jakub Jelinek <jakub@redhat.com>
588 * sanopt.c: Include gimple-ssa.h, tree-phinodes.h and ssa-iterators.h.
589 (sanopt_optimize_walker): Optimize away
590 __asan_before_dynamic_init (...) followed by
591 __asan_after_dynamic_init () without intervening memory loads/stores.
592 * ipa-pure-const.c (special_builtin_state): Handle
593 BUILT_IN_ASAN_BEFORE_DYNAMIC_INIT and
594 BUILT_IN_ASAN_AFTER_DYNAMIC_INIT.
596 2016-09-02 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
598 * cfg.c (free_original_copy_tables): Replace second assignment of
599 bb_copy = NULL by bb_original = NULL.
601 2016-09-02 Jakub Jelinek <jakub@redhat.com>
604 * config/i386/i386.c (ix86_expanded_args_builtin): Remove redundant
605 assignment added in r216794.
607 2016-09-02 David Malcolm <dmalcolm@redhat.com>
609 * Makefile.in (OBJS): Add typed-splay-tree.o.
610 * selftest-run-tests.c (selftest::run_tests): Call
611 typed_splay_tree_c_tests.
612 * selftest.h (typed_splay_tree_c_tests): New decl.
613 * typed-splay-tree.c: New file.
614 * typed-splay-tree.h (typed_splay_tree::foreach_fn): New typedef.
615 (typed_splay_tree::max): New method.
616 (typed_splay_tree::min): New method.
617 (typed_splay_tree::foreach): New method.
618 (typed_splay_tree::closure): New struct.
619 (typed_splay_tree::inner_foreach_fn): New function.
621 2016-09-02 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
623 * ipa-cp.c (ipcp_store_bits_results): Change option name from
624 -fipa-cp-bit to -fipa-bit-cp.
626 2016-09-01 Martin Sebor <msebor@redhat.com>
628 PR tree-optimization/71831
629 * tree-object-size.h: Return bool instead of the size and add
630 argument for the size.
631 * tree-object-size.c (compute_object_offset): Update signature.
632 (addr_object_size): Same.
633 (compute_builtin_object_size): Return bool instead of the size
634 and add argument for the size. Handle POINTER_PLUS_EXPR when
635 optimization is disabled.
636 (expr_object_size): Adjust.
637 (plus_stmt_object_size): Adjust.
638 (pass_object_sizes::execute): Adjust.
639 * builtins.c (fold_builtin_object_size): Adjust.
640 * doc/extend.texi (Object Size Checking): Update.
641 * ubsan.c (instrument_object_size): Adjust.
643 2016-09-01 Martin Sebor <msebor@redhat.com>
645 * genmatch.c (parser::parse_expr): Increase buffer size to guarantee
646 it fits the output of the formatted function regardless of its
648 * gcc/genmodes.c (parser::parse_expr): Same.
649 * gimplify.c (gimplify_asm_expr): Same.
650 * passes.c (pass_manager::register_one_dump_file): Same.
651 * print-tree.c (print_node): Same.
653 2016-09-01 Segher Boessenkool <segher@kernel.crashing.org>
655 * config/rs6000/altivec.md: Use VSCR_REGNO instead of 110 throughout.
657 2016-09-01 Segher Boessenkool <segher@kernel.crashing.org>
659 * config/rs6000/altivec.md: Use VRSAVE_REGNO instead of 109 throughout.
661 2016-09-01 Segher Boessenkool <segher@kernel.crashing.org>
663 * config/rs6000/altivec.md: Use CR6_REGNO instead of 74 throughout.
664 * config/rs6000/vector.md: Ditto.
665 * config/rs6000/vsx.md: Ditto.
667 2016-09-01 Eric Botcazou <ebotcazou@adacore.com>
669 * ipa-inline-analysis.c (param_change_prob): Get to the base object
672 2016-09-01 Segher Boessenkool <segher@kernel.crashing.org>
674 * config/rs6000/rs6000.md (*restore_gpregs_<mode>_r11,
675 *restore_gpregs_<mode>_r12, *restore_gpregs_<mode>_r1,
676 *return_and_restore_gpregs_<mode>_r11,
677 *return_and_restore_gpregs_<mode>_r12,
678 *return_and_restore_gpregs_<mode>_r1,
679 *return_and_restore_fpregs_<mode>_r11,
680 *return_and_restore_fpregs_<mode>_r12,
681 *return_and_restore_fpregs_<mode>_r1): Use the hard register LR_REGNO
682 directly instead of via the "l" constraint. Renumber operands.
685 2016-09-01 Segher Boessenkool <segher@kernel.crashing.org>
687 * config/rs6000/altivec.md (*save_world, *save_vregs_<mode>_r11,
688 save_vregs_<mode>_r12, *restore_vregs_<mode>_r11,
689 *restore_vregs_<mode>_r12): Use LR_REGNO instead of 65.
690 * config/rs6000/darwin.md (load_macho_picbase, load_macho_picbase_si,
691 load_macho_picbase_di, *call_indirect_nonlocal_darwin64,
692 *call_nonlocal_darwin64, *call_value_indirect_nonlocal_darwin64,
693 *call_value_nonlocal_darwin64, reload_macho_picbase,
694 reload_macho_picbase_si, reload_macho_picbase_di): Ditto.
695 * config/rs6000/rs6000.h (RETURN_ADDR_IN_PREVIOUS_FRAME): Ditto.
696 * config/rs6000/rs6000.md (*save_gpregs_<mode>_r11,
697 *save_gpregs_<mode>_r12, *save_gpregs_<mode>_r1,
698 *save_fpregs_<mode>_r11, *save_fpregs_<mode>_r12,
699 *save_fpregs_<mode>_r1): Ditto.
700 * config/rs6000/spe.md (*save_gpregs_spe, *restore_gpregs_spe,
701 *return_and_restore_gpregs_spe): Ditto.
703 2016-09-01 Segher Boessenkool <segher@kernel.crashing.org>
705 * config/rs6000/rs6000.md
706 (define_insn "*return_and_restore_fpregs_aix_<mode>_r11"): Delete
707 the use of the link register.
708 (define_insn "*return_and_restore_fpregs_aix_<mode>_r1"): Ditto.
710 2016-09-01 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
711 Michael Meissner <meissner@linux.vnet.ibm.com>
714 * config/rs6000/rs6000.c (rs6000_legitimize_address): Avoid
715 reg+reg addressing for TImode.
716 (rs6000_legitimate_address_p): Only allow register indirect
717 addressing for TImode, even without TARGET_QUAD_MEMORY.
719 2016-09-01 Richard Biener <rguenther@suse.de>
722 * tree-chrec.c (tree_fold_binomial): Use widest_int, properly
723 check whether the result fits the desired result type.
725 2016-09-01 Nathan Sidwell <nathan@acm.org>
727 * config/nvptx/nvptx.md (cbranch<mode>4): Op 2 can be const.
729 2016-09-01 Wilco Dijkstra <wdijkstr@arm.com>
731 * config/aarch64/aarch64.c (aarch64_legitimize_address_displacement):
733 (TARGET_LEGITIMIZE_ADDRESS_DISPLACEMENT): Define.
735 2016-09-01 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
737 * config/aarch64/aarch64.md (*ands<mode>_compare0): New pattern.
738 * config/aarch64/aarch64.c (aarch64_select_cc_mode): Return CC_NZmode
739 for comparisons of integer ZERO_EXTEND against zero.
741 2016-09-01 Eric Botcazou <ebotcazou@adacore.com>
743 * config/i386/i386.c (ix86_option_override_internal): Also disable the
744 STV pass if -mstackrealign is enabled.
746 2016-08-31 Ilya Verbin <iverbin@gmail.com>
748 * config/i386/driver-i386.c (host_detect_local_cpu): Fix detection of
751 2016-08-31 David Malcolm <dmalcolm@redhat.com>
753 * diagnostic-show-locus.c (class layout): Add field m_fixit_hints.
754 (layout_range::intersects_line_p): New method.
755 (test_range_contains_point_for_single_point): Rename to...
756 (test_layout_range_for_single_point): ...this, and add testing
757 for layout_range::intersects_line_p.
758 (test_range_contains_point_for_single_line): Rename to...
759 (test_layout_range_for_single_line): ...this, and add testing
760 for layout_range::intersects_line_p.
761 (test_range_contains_point_for_multiple_lines): Rename to...
762 (test_layout_range_for_multiple_lines): ...this, and add testing
763 for layout_range::intersects_line_p.
764 (layout::layout): Populate m_fixit_hints.
765 (layout::get_expanded_location): Handle the case of a line-span
767 (layout::validate_fixit_hint_p): New method.
768 (get_line_span_for_fixit_hint): New function.
769 (layout::calculate_line_spans): Add spans for fixit-hints.
770 (layout::should_print_annotation_line_p): New method.
771 (layout::print_any_fixits): Drop param "richloc", instead using
772 validated fixits in m_fixit_hints. Add "const" to hint pointers.
773 (diagnostic_show_locus): Avoid printing blank annotation lines.
774 (selftest::test_diagnostic_context::test_diagnostic_context):
775 Initialize show_column and start_span.
776 (selftest::test_diagnostic_context::start_span_cb): New static
778 (selftest::test_diagnostic_show_locus_fixit_lines): New function.
779 (selftest::diagnostic_show_locus_c_tests): Update for function
780 renamings. Call test_diagnostic_show_locus_fixit_lines.
782 2016-08-31 Marc Glisse <marc.glisse@inria.fr>
784 PR tree-optimization/73714
785 * match.pd (a * (1 << b)): Revert change from 2016-05-23.
787 2016-08-31 David Malcolm <dmalcolm@redhat.com>
789 * selftest.c: Move "namespace selftest {" to top of file,
790 removing explicit "selftest::" qualifiers throughout.
792 2016-08-31 Marc Glisse <marc.glisse@inria.fr>
794 * config/i386/avx512fintrin.h (__m512_u, __m512i_u, __m512d_u):
796 (_mm512_loadu_pd, _mm512_storeu_pd, _mm512_loadu_ps,
797 _mm512_storeu_ps, _mm512_loadu_si512, _mm512_storeu_si512):
798 Replace builtin with vector extension.
799 * config/i386/avxintrin.h (__m256_u, __m256i_u, __m256d_u):
801 (_mm256_loadu_pd, _mm256_storeu_pd, _mm256_loadu_ps,
802 _mm256_storeu_ps, _mm256_loadu_si256, _mm256_storeu_si256):
803 Replace builtin with vector extension.
804 * config/i386/emmintrin.h (__m128i_u, __m128d_u): New types.
805 (_mm_loadu_pd, _mm_storeu_pd, _mm_loadu_si128, _mm_storeu_si128):
806 Replace builtin with vector extension.
807 * config/i386/xmmintrin.h (__m128_u): New type.
808 (_mm_loadu_ps, _mm_storeu_ps): Replace builtin with vector extension.
809 (_mm_load_ps, _mm_store_ps): Simplify.
811 2016-08-31 Eric Botcazou <ebotcazou@adacore.com>
813 * config/arm/arm.c (thumb1_size_rtx_costs) <SET>: Add missing guard.
815 2016-08-30 David Malcolm <dmalcolm@redhat.com>
817 * diagnostic-show-locus.c (colorizer::begin_state): Support more
818 than 3 ranges per diagnostic by alternating between color 1 and
820 (layout::layout): Replace use of rich_location::MAX_RANGES
821 with richloc->get_num_locations ().
822 (layout::calculate_line_spans): Replace use of
823 rich_location::MAX_RANGES with m_layout_ranges.length ().
824 (layout::print_annotation_line): Handle arbitrary numbers of
825 ranges in caret-printing by defaulting to '^'.
826 (selftest::test_one_liner_many_fixits): New function.
827 (test_diagnostic_show_locus_one_liner): Call it.
828 * diagnostic.c (diagnostic_initialize): Update for renaming
829 of rich_location::MAX_RANGES to
830 rich_location::STATICALLY_ALLOCATED_RANGES.
831 * diagnostic.h (struct diagnostic_context): Likewise.
833 2016-08-30 David Malcolm <dmalcolm@redhat.com>
835 * selftest.c (selftest::named_temp_file::named_temp_file): New
837 (selftest::temp_source_file::~temp_source_file): Move to...
838 (selftest::named_temp_file::~named_temp_file): ...here.
839 (selftest::test_named_temp_file): New function.
840 (selftest::selftest_c_tests): Call test_named_temp_file.
841 * selftest.h (class named_temp_file): New class.
842 (class temp_source_file): Convert to a subclass of named_temp_file.
844 2016-08-30 Segher Boessenkool <segher@kernel.crashing.org>
846 * config/rs6000/rs6000.c (rs6000_emit_epilogue): Do not emit
847 USEs of LR_REGNO in returns and sibcalls.
848 (rs6000_output_mi_thunk): Similar.
849 (rs6000_sibcall_aix): Similar.
850 * config/rs6000/rs6000.md (sibcall, sibcall_value, sibcall_local32,
851 sibcall_local64, sibcall_value_local32, sibcall_value_local64,
852 sibcall_nonlocal_sysv<mode>, sibcall_value_nonlocal_sysv<mode>):
853 Remove the USE of LR_REGNO from the patterns as well. Delete an
855 (return_internal_<mode>): Delete.
857 2016-08-30 Tamar Christina <tamar.christina@arm.com>
859 * gcc/config/aarch64/aarch64-simd.md
860 (aarch64_ld2<mode>_dreg_le): New.
861 (aarch64_ld2<mode>_dreg_be): New.
862 (aarch64_ld2<mode>_dreg): Removed.
863 (aarch64_ld3<mode>_dreg_le): New.
864 (aarch64_ld3<mode>_dreg_be): New.
865 (aarch64_ld3<mode>_dreg): Removed.
866 (aarch64_ld4<mode>_dreg_le): New.
867 (aarch64_ld4<mode>_dreg_be): New.
868 (aarch64_ld4<mode>_dreg): Removed.
869 (aarch64_ld<VSTRUCT:nregs><VDC:mode>): Wrapper around _le, _be.
871 2016-08-30 David Malcolm <dmalcolm@redhat.com>
873 * diagnostic-show-locus.c (test_one_liner_fixit_insert): Remove
874 redundant location param.
875 (test_one_liner_fixit_remove): Likewise.
876 (test_one_liner_fixit_replace): Likewise.
877 (test_one_liner_fixit_replace_equal_secondary_range): Likewise.
878 * gcc-rich-location.c
879 (gcc_rich_location::add_fixit_misspelled_id): Eliminate call to
880 get_range_from_loc. Drop overload taking a const char *.
881 * gcc-rich-location.h
882 (gcc_rich_location::add_fixit_misspelled_id): Drop overload taking
885 2016-08-30 Szabolcs Nagy <szabolcs.nagy@arm.com>
887 * config/linux.c (linux_libc_has_function): Return true on musl.
889 2016-08-30 Szabolcs Nagy <szabolcs.nagy@arm.com>
891 * config.gcc (*-*-*musl*): Disable gnu-indirect-function.
893 2016-08-30 Eric Botcazou <ebotcazou@adacore.com>
895 * postreload-gcse.c (bb_has_well_behaved_predecessors): Tweak criterion
896 used for abnormal egdes.
898 2016-08-30 Jakub Jelinek <jakub@redhat.com>
900 PR tree-optimization/72866
901 * tree-vect-patterns.c (search_type_for_mask): Turn into
902 a small wrapper, move all code to ...
903 (search_type_for_mask_1): ... this new function. Add caching
904 and adjust recursive calls.
907 * dwarf2out.c (modified_type_die): Use lookup_type_die (type)
908 instead of lookup_type_die (type_main_variant (type)) even for array
912 * simplify-rtx.c (avoid_constant_pool_reference): For out of bounds
913 constant pool reference return x instead of c.
915 2016-08-29 Segher Boessenkool <segher@kernel.crashing.org>
917 * config/rs6000/rs6000.h (CALL_REALLY_USED_REGISTERS): Do not
920 2016-08-29 David Malcolm <dmalcolm@redhat.com>
923 (selftest::test_make_location_nonpure_range_endpoints): Fix
926 2016-08-29 David Malcolm <dmalcolm@redhat.com>
928 * diagnostic-show-locus.c
929 (selftest::test_one_liner_fixit_validation_adhoc_locations): New
931 (selftest::test_diagnostic_show_locus_one_liner): Call it.
932 * input.c (get_pure_location): Move to libcpp/line-map.c.
933 * input.h (get_pure_location): Convert decl to an inline function
934 calling implementation in libcpp.
936 2016-08-29 Uros Bizjak <ubizjak@gmail.com>
939 * config/i386/sse.md (vec_set_lo_<mode><mask_name>): Fix assembler
940 template for intel asm dialect.
941 (vec_set_hi_<mode><mask_name>): Ditto.
943 2016-08-29 David Malcolm <dmalcolm@redhat.com>
945 * selftest.h (selftest::fail): Add ATTRIBUTE_NORETURN.
946 (selftest::fail_formatted): Likewise.
948 2016-08-29 David Malcolm <dmalcolm@redhat.com>
950 * input.c (make_location): Call get_start and get_finish
951 on the endpoints to avoid storing packed ranges or ad-hoc
953 (selftest::test_make_location_nonpure_range_endpoints): New function.
954 (selftest::input_c_tests): Call it.
955 * input.h (get_start): New inline function.
957 2016-08-29 Tom de Vries <tom@codesourcery.com>
960 * gimplify.c (gimplify_va_arg_expr): Replace first argument type error
963 2016-08-29 Eric Botcazou <ebotcazou@adacore.com>
965 * Makefile.in (gcov-iov.h): Add dummy recipe.
967 2016-08-29 Nathan Sidwell <nathan@acm.org>
969 * config/nvptx/nvptx.c: #include tree-vrp.h.
971 2016-08-28 Eric Botcazou <ebotcazou@adacore.com>
974 * config/sparc/sparc.c (sparc_legitimate_address_p): Accept special
975 HIGH+LO construct during reload.
977 2016-08-28 Tom de Vries <tom@codesourcery.com>
980 * config/i386/i386.c (ix86_build_builtin_va_list_64): Tag type with
981 'sysv_abi va_list' attribute.
982 (ix86_build_builtin_va_list): Tag type with 'ms_abi va_list' attribute.
983 (ix86_canonical_va_list_type): Handle 'sysv_abi/ms_abi va_list'
986 2016-08-27 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
988 * emit-rtl.h (struct rtl_data): Make stack_slot_list a vector.
989 * emit-rtl.c (unshare_all_rtl_1): Adjust.
990 (unshare_all_rtl_again): Likewise.
991 * function.c (assign_stack_local_1): Likewise.
992 (assign_stack_temp_for_type): Likewise.
994 2016-08-27 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
996 * cfgbuild.c (make_edges): Adjust.
997 * cfgrtl.c (can_delete_label_p): Likewise.
998 * dwarf2cfi.c (create_trace_edges): Likewise.
999 * except.c (sjlj_emit_dispatch_table): Likewise.
1000 * function.h (struct expr_status): make x_forced_labels a vector.
1001 * jump.c (rebuild_jump_labels_1): Adjust.
1002 * reload1.c (set_initial_label_offsets): Likewise.
1003 * stmt.c (force_label_rtx): Likewise.
1004 (expand_label): Likewise.
1006 2016-08-27 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
1008 * haifa-sched.c (fix_recovery_deps): Make ready_list a vector.
1010 2016-08-27 Patrick Palka <ppalka@gcc.gnu.org>
1012 PR tree-optimization/71077
1013 PR tree-optimization/68542
1014 * fold-const.c (fold_relational_const): Fix folding of
1015 VECTOR_CST comparisons that have a scalar boolean result type.
1016 (selftest::test_vector_folding): New static function.
1017 (selftest::fold_const_c_tests): Call it.
1019 2016-08-27 Gerald Pfeifer <gerald@pfeifer.com>
1021 * doc/extend.texi (SPU Built-in Functions): Remove stale
1022 references to material formerly at IBM and Sony.
1024 2016-08-26 David Edelsohn <dje.gcc@gmail.com>
1027 * config/rs6000/xcoff.h (DWARF_OFFSET_SIZE): Define as PTR_SIZE.
1029 2016-08-26 David Malcolm <dmalcolm@redhat.com>
1031 * diagnostic-show-locus.c
1032 (selftest::test_fixit_consolidation): New function.
1033 (selftest::diagnostic_show_locus_c_tests): Call it.
1034 * gcc-rich-location.h (gcc_rich_location): Eliminate unused
1035 constructor based on source_range.
1037 2016-08-26 David Malcolm <dmalcolm@redhat.com>
1039 * diagnostic-color.c (color_dict): Add "fixit-insert" and
1041 (parse_gcc_colors): Update description of default GCC_COLORS.
1042 * diagnostic-show-locus.c (colorizer::set_fixit_hint): Delete.
1043 (colorizer::set_fixit_insert): New method.
1044 (colorizer::set_fixit_delete): New method.
1045 (colorizer::get_color_by_name): New method.
1046 (colorizer::STATE_FIXIT_INSERT): New constant.
1047 (colorizer::STATE_FIXIT_DELETE): New constant.
1048 (class colorizer): Drop "_cs" suffix from fields. Delete "_ce"
1049 fields in favor of new field "m_stop_color". Add fields
1050 "m_fixit_insert" and "m_fixit_delete".
1051 (colorizer::colorizer): Update for above changes. Replace
1052 colorize_start calls with calls to get_color_by_name.
1053 (colorizer::begin_state): Handle STATE_FIXIT_INSERT and
1054 STATE_FIXIT_DELETE. Update for field renamings.
1055 (colorizer::finish_state): Simplify by using m_stop_color,
1056 rather than multiple identical "*_ce" fields.
1057 (colorizer::get_color_by_name): New method.
1058 (layout::print_any_fixits): Print insertions and replacements
1059 using the "fixit-insert" color, and deletions using the
1060 "fixit-delete" color.
1061 * doc/invoke.texi (-fdiagnostics-color): Update description of
1062 default GCC_COLORS, and of the supported capabilities.
1064 2016-08-26 Max Filippov <jcmvbkbc@gmail.com>
1066 * config/xtensa/xtensa.c (xtensa_expand_prologue): Update
1067 current_function_static_stack_size variable with the static
1068 stack frame size of the current function when
1069 flag_stack_usage_info is enabled.
1071 2016-08-26 Nathan Sidwell <nathan@acm.org>
1073 * ipa-inline-analysis.c (inline_write_summary): Remove unnecessary
1074 assignment inside if condition.
1076 2016-08-26 Richard Biener <rguenther@suse.de>
1078 PR tree-optimization/69047
1079 * tree-ssa.c (maybe_rewrite_mem_ref_base): Handle general bitfield
1080 extracts similar to what FRE does.
1081 (non_rewritable_mem_ref_base): Likewise.
1083 2016-08-26 Joseph Myers <joseph@codesourcery.com>
1085 * config/i386/i386.c (ix86_libgcc_floating_mode_supported_p)
1086 (TARGET_LIBGCC_FLOATING_MODE_SUPPORTED_P): Remove.
1087 * config/i386/i386elf.h (IX86_MAYBE_NO_LIBGCC_TFMODE): Likewise.
1088 * config/i386/lynx.h (IX86_MAYBE_NO_LIBGCC_TFMODE): Likewise.
1089 * config/i386/netbsd-elf.h (IX86_MAYBE_NO_LIBGCC_TFMODE):
1091 * config/i386/netbsd64.h (IX86_MAYBE_NO_LIBGCC_TFMODE): Likewise.
1092 * config/i386/nto.h (IX86_MAYBE_NO_LIBGCC_TFMODE): Likewise.
1093 * config/i386/openbsd.h (IX86_MAYBE_NO_LIBGCC_TFMODE): Likewise.
1094 * config/i386/rtemself.h (IX86_NO_LIBGCC_TFMODE): Likewise.
1095 * config/i386/vxworks.h (IX86_MAYBE_NO_LIBGCC_TFMODE): Likewise.
1097 2016-08-26 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1100 * config/arm/cortex-a8-neon.md (cortex_a8_vfp_muld): Reduce
1101 reservation duration to 15 cycles.
1102 (cortex_a8_vfp_macs): Likewise.
1103 (cortex_a8_vfp_macd): Likewise.
1104 (cortex_a8_vfp_divs): Likewise.
1105 (cortex_a8_vfp_divd): Likewise.
1107 2016-08-26 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1109 * config/arm/arm.c (arm_sets_movw_movt_fusible_p): New function.
1110 (aarch_macro_fusion_pair_p): Use above to avoid early return.
1112 2016-08-26 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
1113 Martin Jambhor <mjambor@suse.cz>
1115 * common.opt: New option -fipa-bit-cp.
1116 * doc/invoke.texi: Document -fipa-bit-cp.
1117 * opts.c (default_options_table): Add entry for -fipa-bit-cp.
1118 (enable_fdo_optimizations): Check for flag_ipa_bit_cp.
1119 * tree-ssa-ccp.h: New header file.
1120 * tree-ssa-ccp.c: Include tree-ssa-ccp.h
1121 (bit_value_binop_1): Change to bit_value_binop_1 and export it.
1122 Replace all occurences of tree parameter by two new params: signop, int.
1123 (bit_value_unop_1): Change to bit_value_unop and export it.
1124 Replace all occurences of tree parameter by two new params: signop,
1126 (bit_value_binop): Change call from bit_value_binop_1 to
1128 (bit_value_assume_aligned): Likewise.
1129 (bit_value_unop): Change call from bit_value_unop_1 to bit_value_unop.
1130 (do_ssa_ccp): Pass nonzero_p || flag_ipa_cp_bit instead of nonzero_p
1132 (ccp_finalize): Skip processing if val->mask == 0.
1133 * ipa-cp.c: Include tree-ssa-ccp.h
1134 (ipcp_bits_lattice): New class.
1135 (ipcp_param_lattice (bits_lattice): New member.
1136 (print_all_lattices): Call ipcp_bits_lattice::print.
1137 (set_all_contains_variable): Call ipcp_bits_lattice::set_to_bottom.
1138 (initialize_node_lattices): Likewise.
1139 (propagate_bits_accross_jump_function): New function.
1140 (propagate_constants_accross_call): Call
1141 propagate_bits_accross_jump_function.
1142 (ipcp_propagate_stage): Store parameter types when in_lto_p is true.
1143 (ipcp_store_bits_results): New function.
1144 (ipcp_driver): Call ipcp_store_bits_results.
1145 * ipa-prop.h (ipa_bits): New struct.
1146 (ipa_jump_func): Add new member bits of type ipa_bits.
1147 (ipa_param_descriptor): Change decl to decl_or_type.
1148 (ipa_get_param): Change decl to decl_or_type and assert on
1150 (ipa_get_type): New function.
1151 (ipcp_transformation_summary): New member bits.
1152 * ipa-prop.c (ipa_get_param_decl_index_1): s/decl/decl_or_type.
1153 (ipa_populate_param_decls): Likewise.
1154 (ipa_dump_param): Likewise.
1155 (ipa_print_node_jump_functions_for_edge): Pretty-print ipa_bits jump
1157 (ipa_set_jf_unknown): Set ipa_bits::known to false.
1158 (ipa_compute_jump_functions_for_edge): Compute jump function for bits
1160 (ipa_node_params_t::duplicate): Copy src->bits into dst->bits.
1161 (ipa_write_jump_function): Add streaming for ipa_bits.
1162 (ipa_read_jump_function): Add support for reading streamed ipa_bits.
1163 (write_ipcp_transformation_info): Add streaming for ipa_bits
1165 (read_ipcp_transfomration_info): Add support for reading streamed
1167 (ipcp_update_bits): New function.
1168 (ipcp_transform_function): Call ipcp_update_bits.
1170 2016-08-25 Szabolcs Nagy <szabolcs.nagy@arm.com>
1172 * config/mips/linux.h (MUSL_DYNAMIC_LINKER32): Update.
1173 (MUSL_DYNAMIC_LINKER64, MUSL_DYNAMIC_LINKERN32): Update.
1175 2016-08-25 David Edelsohn <dje.gcc@gmail.com>
1177 * multiple_target.c (pass_data_dispatcher_calls): Fix typo.
1179 2016-08-25 Richard Biener <rguenther@suse.de>
1181 * dwarf2out.c (gen_remaining_tmpl_value_param_die_attributes):
1182 Only add locations in late dwarf.
1183 (gen_scheduled_generic_parms_dies): Do not set early dwarf here.
1184 (dwarf2out_early_finish): But do it here.
1186 2016-08-24 Michael Collison <michael.collison@linaro.org>
1187 Michael Collison <michael.collison@arm.com>
1189 * config/arm/arm-modes.def: Add new condition code mode CC_V
1190 to represent the overflow bit.
1191 * config/arm/arm.c (maybe_get_arm_condition_code):
1192 Add support for CC_Vmode.
1193 (arm_gen_unlikely_cbranch): New function to generate common
1194 rtl conditional branches for overflow patterns.
1195 * config/arm/arm-protos.h: Add prototype for
1196 arm_gen_unlikely_cbranch.
1197 * config/arm/arm.md (addv<mode>4, add<mode>3_compareV,
1198 addsi3_compareV_upper): New patterns to support signed
1199 builtin overflow add operations.
1200 (uaddv<mode>4, add<mode>3_compareC, addsi3_compareV_upper):
1201 New patterns to support unsigned builtin add overflow operations.
1202 (subv<mode>4, sub<mode>3_compare1): New patterns to support signed
1203 builtin overflow subtract operations,
1204 (usubv<mode>4): New patterns to support unsigned builtin subtract
1205 overflow operations.
1206 (negvsi3, negvdi3, negdi2_compare, negsi2_carryin_compare): New patterns
1207 to support builtin overflow negate operations.
1209 2016-08-24 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
1212 2016-08-23 Dominik Vogt <vogt@linux.vnet.ibm.com>
1214 * explow.c (get_dynamic_stack_size): Take known alignment of stack
1215 pointer + STACK_DYNAMIC_OFFSET into account when calculating the size
1218 2016-08-24 Thomas Preud'homme <thomas.preudhomme@arm.com>
1220 * doc/fragments.texi (MULTILIB_REUSE): Mention that only options in
1221 MULTILIB_OPTIONS should be used. Small wording fixes.
1222 * genmultilib: Memorize set of all option combinations in
1223 combination_space. Detect if RHS of MULTILIB_REUSE uses an option not
1224 found in MULTILIB_OPTIONS by checking if option set is listed in
1225 combination_space. Output new and existing error message to stderr.
1227 2016-08-24 Thomas Preud'homme <thomas.preudhomme@arm.com>
1229 * config/arm/t-aprofile (MULTILIB_MATCHES): Add mapping for
1230 -mcpu=cortex-a7, -mfpu=neon-fp16, -mfpu=fpv5-d16 and -mfpu=fp-armv8.
1231 Fix typo in -mfpu=vfpv3-d16-fp16 mapping.
1232 (MULTILIB_REUSE): Remove reuse rules for option set including
1233 -mfpu=fp-armv8 and -mfpu=vfpv4
1235 2016-08-24 Sebastian Huber <sebastian.huber@embedded-brains.de>
1237 * config/arm/t-rtems: Add vfp multilib.
1239 2016-08-23 Ian Lance Taylor <iant@golang.org>
1241 * config/s390/s390.c (s390_asm_file_start): Call
1244 2016-08-23 Michael Meissner <meissner@linux.vnet.ibm.com>
1246 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Set
1247 initialization of all 0's to the 0 constant, instead of directly
1248 generating XOR. Add support for V4SImode vector initialization on
1249 64-bit systems with direct move, and rework the ISA 3.0 V4SImode
1250 initialization. Change variables used in V4SFmode vector
1251 intialization. For V4SFmode vector splat on ISA 3.0, make sure
1252 any memory addresses are in index form. Add support for using
1253 VSPLTH/VSPLTB to initialize vector short and vector char vectors
1254 with all of the same element.
1255 (regno_or_subregno): New helper function to return a register
1256 number for either REG or SUBREG.
1257 (rs6000_adjust_vec_address): Do not generate ADDI <reg>,R0,<num>.
1258 Use regno_or_subregno where possible.
1259 (rs6000_split_v4si_init_di_reg): New helper function to build up a
1260 DImode value from two SImode values in order to generate V4SImode
1261 vector initialization on 64-bit systems with direct move.
1262 (rs6000_split_v4si_init): Split up the insns for a V4SImode vector
1264 (rtx_is_swappable_p): V4SImode vector initialization insn is not
1266 * config/rs6000/rs6000-protos.h (rs6000_split_v4si_init): Add
1268 * config/rs6000/vsx.md (VSX_SPLAT_I): New mode iterators and
1269 attributes to initialize V8HImode and V16QImode vectors with the
1271 (VSX_SPLAT_COUNT): Likewise.
1272 (VSX_SPLAT_SUFFIX): Likewise.
1273 (UNSPEC_VSX_VEC_INIT): New unspec.
1274 (vsx_concat_v2sf): Eliminate using 'preferred' register classes.
1275 Allow SFmode values to come from Altivec registers.
1276 (vsx_init_v4si): New insn/split for V4SImode vector initialization
1277 on 64-bit systems with direct move.
1278 (vsx_splat_<mode>, VSX_W iterator): Rework V4SImode and V4SFmode
1279 vector initializations, to allow V4SImode vector initializations
1280 on 64-bit systems with direct move.
1281 (vsx_splat_v4si): Likewise.
1282 (vsx_splat_v4si_di): Likewise.
1283 (vsx_splat_v4sf): Likewise.
1284 (vsx_splat_v4sf_internal): Likewise.
1285 (vsx_xxspltw_<mode>, VSX_W iterator): Eliminate using 'preferred'
1287 (vsx_xxspltw_<mode>_direct, VSX_W iterator): Likewise.
1288 (vsx_vsplt<VSX_SPLAT_SUFFIX>_di): New insns to support
1289 initializing V8HImode and V16QImode vectors with the same
1291 * config/rs6000/rs6000.h (TARGET_DIRECT_MOVE_64BIT): Disallow
1292 optimization if -maltivec=be.
1294 2016-08-23 Christophe Lyon <christophe.lyon@linaro.org>
1296 * config/arm/arm.md (arm_movqi_insn): Swap predicable_short_it
1297 attribute for alternatives 3 and 4.
1299 2016-08-23 David Malcolm <dmalcolm@redhat.com>
1301 * selftest.c (selftest::assert_str_contains): New function.
1302 (selftest::test_assertions): Verify ASSERT_STR_CONTAINS.
1303 * selftest.h (selftest::assert_str_contains): New decl.
1304 (ASSERT_STR_CONTAINS): New macro.
1306 2016-08-23 Richard Biener <rguenther@suse.de>
1308 PR tree-optimization/77286
1309 * tree-vect-loop.c (vect_analyze_loop_form_1): Do not modify
1311 (vect_transform_loop): Split exit edges of loop and scalar
1312 loop if required and at the appropriate time.
1314 2016-08-23 Dominik Vogt <vogt@linux.vnet.ibm.com>
1316 * explow.c (get_dynamic_stack_size): Take known alignment of stack
1317 pointer + STACK_DYNAMIC_OFFSET into account when calculating the size
1319 Correct a typo in a comment.
1321 2016-08-23 Dominik Vogt <vogt@linux.vnet.ibm.com>
1323 * config/s390/s390.md ("*andc_split"): New splitter for and with
1326 2016-08-23 Richard Biener <rguenther@suse.de>
1328 PR tree-optimization/27336
1329 * tree-vrp.c (infer_value_range): Handle stmts that can throw
1330 by looking for a non-EH edge.
1331 (process_assert_insertions_for): Likewise.
1333 2016-08-23 Richard Biener <rguenther@suse.de>
1336 * statistics.c (statistics_counter_event): Robustify against
1339 2016-08-23 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
1341 * config/i386/i386.c (processor_alias_table): Enable PTA_PRFCHW
1342 for targets amdfam10 and barcelona.
1344 2016-08-22 Uros Bizjak <ubizjak@gmail.com>
1346 * config/i386/i386.md (*zero_extendsidi2): Add (*r,*k) alternative.
1347 (zero_extend<mode>di2): Ditto.
1348 (*zero_extend<mode>si2): Ditto.
1349 (*zero_extendqihi2): Ditto.
1351 2016-08-22 Joseph Myers <joseph@codesourcery.com>
1354 * builtins.c (fold_builtin_classify): Use builtin_decl_explicit
1355 (BUILT_IN_SIGNBIT) to expand __builtin_isinf_sign.
1357 2016-08-22 Patrick Palka <ppalka@gcc.gnu.org>
1359 * print-tree.c (print_node) [VECTOR_CST]: Coalesce the output of
1360 identical consecutive elements.
1361 [SSA_NAME]: Print the name's def stmt on its own line. When printing
1362 the node's def stmt, avoid printing an unwanted trailing newline by
1363 replacing the call to print_gimple_stmt() with its inlined body and
1364 adjusting it to not set pp_needs_newline and to call pp_flush()
1365 instead of pp_newline_and_flush().
1367 2016-08-22 Joseph Myers <joseph@codesourcery.com>
1369 * tree.h (CASE_FLT_FN_FLOATN_NX, float16_type_node)
1370 (float32_type_node, float64_type_node, float32x_type_node)
1371 (float128x_type_node): New macros.
1372 * builtin-types.def (BT_FLOAT16, BT_FLOAT32, BT_FLOAT64)
1373 (BT_FLOAT128, BT_FLOAT32X, BT_FLOAT64X, BT_FLOAT128X)
1374 (BT_FN_FLOAT16, BT_FN_FLOAT32, BT_FN_FLOAT64, BT_FN_FLOAT128)
1375 (BT_FN_FLOAT32X, BT_FN_FLOAT64X, BT_FN_FLOAT128X)
1376 (BT_FN_FLOAT16_FLOAT16, BT_FN_FLOAT32_FLOAT32)
1377 (BT_FN_FLOAT64_FLOAT64, BT_FN_FLOAT128_FLOAT128)
1378 (BT_FN_FLOAT32X_FLOAT32X, BT_FN_FLOAT64X_FLOAT64X)
1379 (BT_FN_FLOAT128X_FLOAT128X, BT_FN_FLOAT16_CONST_STRING)
1380 (BT_FN_FLOAT32_CONST_STRING, BT_FN_FLOAT64_CONST_STRING)
1381 (BT_FN_FLOAT128_CONST_STRING, BT_FN_FLOAT32X_CONST_STRING)
1382 (BT_FN_FLOAT64X_CONST_STRING, BT_FN_FLOAT128X_CONST_STRING)
1383 (BT_FN_FLOAT16_FLOAT16_FLOAT16, BT_FN_FLOAT32_FLOAT32_FLOAT32)
1384 (BT_FN_FLOAT64_FLOAT64_FLOAT64, BT_FN_FLOAT128_FLOAT128_FLOAT128)
1385 (BT_FN_FLOAT32X_FLOAT32X_FLOAT32X)
1386 (BT_FN_FLOAT64X_FLOAT64X_FLOAT64X)
1387 (BT_FN_FLOAT128X_FLOAT128X_FLOAT128X): New type definitions.
1388 * builtins.def (DEF_GCC_FLOATN_NX_BUILTINS): New macro.
1389 (copysign, fabs, huge_val, inf, nan, nans): Use it.
1390 * builtins.c (expand_builtin): Use CASE_FLT_FN_FLOATN_NX for fabs
1392 (fold_builtin_0): Use CASE_FLT_FN_FLOATN_NX for inf and huge_val.
1393 (fold_builtin_1): Use CASE_FLT_FN_FLOATN_NX for fabs.
1394 * doc/extend.texi (Other Builtins): Document these built-in
1396 * fold-const-call.c (fold_const_call): Use CASE_FLT_FN_FLOATN_NX
1399 2016-08-22 Gerald Pfeifer <gerald@pfeifer.com>
1401 * doc/install.texi (Binaries): www.opencsw.org now uses https.
1403 2016-08-22 Richard Biener <rguenther@suse.de>
1405 * tree-ssa-forwprop.c (pass_forwprop::execute): Use RPO order.
1407 2016-08-21 Uros Bizjak <ubizjak@gmail.com>
1410 * config/i386/i386.md (prefetch): When TARGET_PRFCHW or
1411 TARGET_PREFETCHWT1 are disabled, emit 3dNOW! write prefetches for
1412 non-SSE2 athlons only, otherwise prefer SSE prefetches.
1414 2016-08-20 Kugan Vivekanandarajah <kuganv@linaro.org>
1416 * tree-vrp.c (vrp_visit_assignment_or_call): Changed to Return VR.
1417 (vrp_visit_cond_stmt): Just sets TAKEN_EDGE_P.
1418 (vrp_visit_switch_stmt): Likewise.
1419 (extract_range_from_stmt): Factored out from vrp_visit_stmt.
1420 (extract_range_from_phi_node): Factored out from vrp_visit_phi_stmt.
1421 (vrp_visit_stmt): Use extract_range_from_stmt.
1422 (vrp_visit_phi_node): Use extract_range_from_phi_node.
1424 2016-08-20 Kugan Vivekanandarajah <kuganv@linaro.org>
1426 * Makefile.in: Add tree-vrp.h to GTFILES.
1427 * gengtype.c (open_base_files): Add tree-vrp.h.
1428 * asan.c: Add tree-vrp.h which now has the definition value_range_type.
1429 * builtins.c: Likewise.
1430 * fold-const.c: Likewise.
1431 * gimple-builder.c: Likewise.
1432 * gimple-laddress.c: Likewise.
1433 * hsa-gen.c: Likewise.
1434 * internal-fn.c: Likewise.
1436 * targhooks.c: Liewise,
1437 * tree-ssa-address.c: Likewise.
1438 * tree-ssanames.h (value_range_type: Move to tree-vrp.h.
1439 * tree-vrp.c (struct value_range): Move to tree-vrp.h
1440 * tree-vrp.h: New file.
1442 2016-08-20 Kugan Vivekanandarajah <kuganv@linaro.org>
1444 PR tree-optimization/61839
1445 * tree-vrp.c (two_valued_val_range_p): New.
1446 (simplify_stmt_using_ranges): Convert CST BINOP VAR where VAR is
1447 two-valued to VAR == VAL1 ? (CST BINOP VAL1) : (CST BINOP VAL2).
1448 Also Convert VAR BINOP CST where VAR is two-valued to
1449 VAR == VAL1 ? (VAL1 BINOP CST) : (VAL2 BINOP CST).
1451 2016-08-19 David Malcolm <dmalcolm@redhat.com>
1453 * diagnostic-show-locus.c
1454 (layout::annotation_line_showed_range_p): New method.
1455 (layout::print_any_fixits): Remove case fixit_hint::REMOVE.
1456 Reimplement case fixit_hint::REPLACE to cover removals, and
1457 replacements where the range of the replacement isn't one
1458 of the ranges in the rich_location.
1459 (test_one_liner_fixit_replace): Likewise.
1460 (selftest::test_one_liner_fixit_replace_non_equal_range): New
1462 (selftest::test_one_liner_fixit_replace_equal_secondary_range):
1464 (selftest::test_diagnostic_show_locus_one_liner): Call the new
1466 * diagnostic.c (print_parseable_fixits): Remove case
1469 2016-08-19 Uros Bizjak <ubizjak@gmail.com>
1472 * config/i386/i386.c (ix86_option_override_internal): Remove
1473 PTA_PRFCHW from entries that also have PTA_3DNOW flag.
1474 Enable SSE prefetch also for TARGET_PREFETCHWT1.
1475 Do not try to enable TARGET_PRFCHW ISA flag here.
1476 * config/i386/i386.md (prefetch): Enable also for TARGET_3DNOW.
1477 Rewrite expander function body.
1478 (*prefetch_3dnow): Enable for TARGET_3DNOW and TARGET_PREFETCHWT1.
1480 2016-08-19 Joseph Myers <joseph@codesourcery.com>
1483 * tree-core.h (TI_COMPLEX_FLOAT16_TYPE)
1484 (TI_COMPLEX_FLOATN_NX_TYPE_FIRST, TI_COMPLEX_FLOAT32_TYPE)
1485 (TI_COMPLEX_FLOAT64_TYPE, TI_COMPLEX_FLOAT128_TYPE)
1486 (TI_COMPLEX_FLOAT32X_TYPE, TI_COMPLEX_FLOAT64X_TYPE)
1487 (TI_COMPLEX_FLOAT128X_TYPE, TI_FLOAT16_TYPE, TI_FLOATN_TYPE_FIRST)
1488 (TI_FLOATN_NX_TYPE_FIRST, TI_FLOAT32_TYPE, TI_FLOAT64_TYPE)
1489 (TI_FLOAT128_TYPE, TI_FLOATN_TYPE_LAST, TI_FLOAT32X_TYPE)
1490 (TI_FLOATNX_TYPE_FIRST, TI_FLOAT64X_TYPE, TI_FLOAT128X_TYPE)
1491 (TI_FLOATNX_TYPE_LAST, TI_FLOATN_NX_TYPE_LAST): New enum
1493 (NUM_FLOATN_TYPES, NUM_FLOATNX_TYPES, NUM_FLOATN_NX_TYPES): New
1495 (struct floatn_type_info): New structure type.
1496 (floatn_nx_types): New variable declaration.
1497 * tree.h (FLOATN_TYPE_NODE, FLOATN_NX_TYPE_NODE)
1498 (FLOATNX_TYPE_NODE, float128_type_node, float64x_type_node)
1499 (COMPLEX_FLOATN_NX_TYPE_NODE): New macros.
1500 * tree.c (floatn_nx_types): New variable.
1501 (build_common_tree_nodes): Initialize _FloatN, _FloatNx and
1502 corresponding complex types.
1503 * target.def (floatn_mode): New hook.
1504 * targhooks.c: Include "real.h".
1505 (default_floatn_mode): New function.
1506 * targhooks.h (default_floatn_mode): New prototype.
1507 * doc/extend.texi (Floating Types): Document _FloatN and _FloatNx
1509 * doc/sourcebuild.texi (float@var{n}, float@var{n}x): Document new
1510 effective-target and dg-add-options keywords.
1511 (float@var{n}_runtime, float@var{n}x_runtime, floatn_nx_runtime):
1512 Document new effective-target keywords.
1513 * doc/tm.texi.in (TARGET_FLOATN_MODE): New @hook.
1514 * doc/tm.texi: Regenerate.
1515 * ginclude/float.h (LDBL_DECIMAL_DIG): Define to
1516 __LDBL_DECIMAL_DIG__, not __DECIMAL_DIG__.
1517 [__STDC_WANT_IEC_60559_TYPES_EXT__]: Define macros from TS
1519 * real.h (struct real_format): Add field ieee_bits.
1520 * real.c (ieee_single_format, mips_single_format)
1521 (motorola_single_format, spu_single_format, ieee_double_format)
1522 (mips_double_format, motorola_double_format)
1523 (ieee_extended_motorola_format, ieee_extended_intel_96_format)
1524 (ieee_extended_intel_128_format)
1525 (ieee_extended_intel_96_round_53_format, ibm_extended_format)
1526 (mips_extended_format, ieee_quad_format, mips_quad_format)
1527 (vax_f_format, vax_d_format, vax_g_format, decimal_single_format)
1528 (decimal_double_format, decimal_quad_format, ieee_half_format)
1529 (arm_half_format, real_internal_format: Initialize ieee_bits
1531 * config/i386/i386.c (ix86_init_builtin_types): Do not initialize
1532 float128_type_node. Set float80_type_node to float64x_type_node
1533 if appropriate and long_double_type_node not appropriate.
1534 * config/ia64/ia64.c (ia64_init_builtins): Likewise.
1535 * config/pdp11/pdp11.c (pdp11_f_format, pdp11_d_format):
1536 Initialize ieee_bits field.
1537 * config/rs6000/rs6000.c (TARGET_FLOATN_MODE): New macro.
1538 (rs6000_init_builtins): Set ieee128_float_type_node to
1540 (rs6000_floatn_mode): New function.
1542 2016-08-19 Jakub Jelinek <jakub@redhat.com>
1544 * config/i386/rdseedintrin.h (_rdseed16_step, _rdseed32_step,
1545 _rdseed64_step): Uglify argument names and/or local variable names
1546 in inline functions.
1547 * config/i386/rtmintrin.h (_xabort): Likewise.
1548 * config/i386/avx512vlintrin.h (_mm256_ternarylogic_epi64,
1549 _mm256_mask_ternarylogic_epi64, _mm256_maskz_ternarylogic_epi64,
1550 _mm256_ternarylogic_epi32, _mm256_mask_ternarylogic_epi32,
1551 _mm256_maskz_ternarylogic_epi32, _mm_ternarylogic_epi64,
1552 _mm_mask_ternarylogic_epi64, _mm_maskz_ternarylogic_epi64,
1553 _mm_ternarylogic_epi32, _mm_mask_ternarylogic_epi32,
1554 _mm_maskz_ternarylogic_epi32): Likewise.
1555 * config/i386/lwpintrin.h (__llwpcb, __lwpval32, __lwpval64,
1556 __lwpins32, __lwpins64): Likewise.
1557 * config/i386/avx2intrin.h (_mm_i32gather_pd, _mm_mask_i32gather_pd,
1558 _mm256_i32gather_pd, _mm256_mask_i32gather_pd, _mm_i64gather_pd,
1559 _mm_mask_i64gather_pd, _mm256_i64gather_pd, _mm256_mask_i64gather_pd,
1560 _mm_i32gather_ps, _mm_mask_i32gather_ps, _mm256_i32gather_ps,
1561 _mm256_mask_i32gather_ps, _mm_i64gather_ps, _mm_mask_i64gather_ps,
1562 _mm256_i64gather_ps, _mm256_mask_i64gather_ps, _mm_i32gather_epi64,
1563 _mm_mask_i32gather_epi64, _mm256_i32gather_epi64,
1564 _mm256_mask_i32gather_epi64, _mm_i64gather_epi64,
1565 _mm_mask_i64gather_epi64, _mm256_i64gather_epi64,
1566 _mm256_mask_i64gather_epi64, _mm_i32gather_epi32,
1567 _mm_mask_i32gather_epi32, _mm256_i32gather_epi32,
1568 _mm256_mask_i32gather_epi32, _mm_i64gather_epi32,
1569 _mm_mask_i64gather_epi32, _mm256_i64gather_epi32,
1570 _mm256_mask_i64gather_epi32): Likewise.
1571 * config/i386/pmm_malloc.h (_mm_malloc, _mm_free): Likewise.
1572 * config/i386/ia32intrin.h (__writeeflags): Likewise.
1573 * config/i386/pkuintrin.h (_wrpkru): Likewise.
1574 * config/i386/avx512pfintrin.h (_mm512_mask_prefetch_i32gather_pd,
1575 _mm512_mask_prefetch_i32gather_ps, _mm512_mask_prefetch_i64gather_pd,
1576 _mm512_mask_prefetch_i64gather_ps, _mm512_prefetch_i32scatter_pd,
1577 _mm512_prefetch_i32scatter_ps, _mm512_mask_prefetch_i32scatter_pd,
1578 _mm512_mask_prefetch_i32scatter_ps, _mm512_prefetch_i64scatter_pd,
1579 _mm512_prefetch_i64scatter_ps, _mm512_mask_prefetch_i64scatter_pd,
1580 _mm512_mask_prefetch_i64scatter_ps): Likewise.
1581 * config/i386/gmm_malloc.h (_mm_malloc, _mm_free): Likewise.
1582 * config/i386/avx512fintrin.h (_mm512_ternarylogic_epi64,
1583 _mm512_mask_ternarylogic_epi64, _mm512_maskz_ternarylogic_epi64,
1584 _mm512_ternarylogic_epi32, _mm512_mask_ternarylogic_epi32,
1585 _mm512_maskz_ternarylogic_epi32, _mm512_i32gather_ps,
1586 _mm512_mask_i32gather_ps, _mm512_i32gather_pd, _mm512_i64gather_ps,
1587 _mm512_i64gather_pd, _mm512_i32gather_epi32, _mm512_i32gather_epi64,
1588 _mm512_i64gather_epi32, _mm512_i64gather_epi64): Likewise.
1590 * config/i386/fxsrintrin.h (_fxsave): Remove return keyword in inlines
1592 (_fxrstor, _fxsave64, _fxrstor64): Likewise.
1593 * config/i386/xsaveintrin.h (_xsave, _xrstor, _xsave64, _xrstor64):
1595 * config/i386/xsaveoptintrin.h (_xsaveopt, _xsaveopt64): Likewise.
1596 * config/i386/pkuintrin.h (_wrpkru): Likewise. Add space after
1598 (_rdpkru_u32): Add space after function name.
1600 * config/i386/t-i386 (i386-c.o): Don't depend on
1601 i386-builtin-types.inc.
1602 (i386.o): Depend on i386-builtin-types.inc.
1604 2016-08-19 Matthew Wahab <matthew.wahab@arm.com>
1607 * config/arm/arm.c (neon_valid_immediate): Delete declaration.
1608 Use const_vec_duplicate to check for duplicated elements.
1610 2016-08-19 Richard Biener <rguenther@suse.de>
1612 PR tree-optimization/77290
1613 * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
1614 Fix flag_tree_parallelize_loops check.
1616 2016-08-19 Richard Biener <rguenther@suse.de>
1618 * match.pd (x | 0 -> x): Add.
1620 2016-08-19 Richard Biener <rguenther@suse.de>
1622 PR tree-optimization/77286
1623 * tree-vect-loop-manip.c (slpeel_duplicate_current_defs_from_edges):
1624 Deal with virtual PHIs being out-of-order.
1626 2016-08-18 David Malcolm <dmalcolm@redhat.com>
1628 * doc/invoke.texi (fverbose-asm): Note that source code lines
1629 are emitted, and provide an example.
1630 * final.c (asm_show_source): New function.
1631 (final_scan_insn): Call asm_show_source.
1633 2016-08-18 David Malcolm <dmalcolm@redhat.com>
1635 * diagnostic-show-locus.c (colorizer::colorizer): Replace diagnostic
1636 param with diagnostic_kind.
1637 (class colorizer): Similarly replace field m_diagnostic with
1639 (colorizer::colorizer): Replace diagnostic
1640 param with diagnostic_kind.
1641 (colorizer::begin_state): Update for above field change.
1642 (layout::layout): Replace diagnostic param with rich_location *
1643 and diagnostic_kind.
1644 (diagnostic_show_locus): Replace diagnostic param with richloc
1645 and diagnostic_kind.
1646 (class selftest::test_diagnostic_context): New class.
1647 (selftest::test_diagnostic_show_locus_unknown_location): New
1649 (selftest::test_one_liner_simple_caret): New function.
1650 (selftest::test_one_liner_caret_and_range): New function.
1651 (selftest::test_one_liner_multiple_carets_and_ranges): New
1653 (selftest::test_one_liner_fixit_remove): New function.
1654 (selftest::test_one_liner_fixit_replace): New function.
1655 (selftest::test_diagnostic_show_locus_one_liner): New function.
1656 (selftest::diagnostic_show_locus_c_tests): Call the new test
1658 * diagnostic.c (diagnostic_initialize): Initialize
1659 colorize_source_p, show_ruler_p and parseable_fixits_p.
1660 (default_diagnostic_finalizer): Update for change to
1661 diagnostic_show_locus.
1662 (diagnostic_append_note): Likewise.
1663 * diagnostic.h (diagnostic_show_locus): Replace
1664 const diagnostic_info * param with location * and diagnostic_t.
1666 2016-08-18 David Malcolm <dmalcolm@redhat.com>
1668 * input.c (saved_line_table): New global.
1669 (class selftest::temp_line_table): Rename to line_table_test and
1670 move declaration to selftest.h, and drop field m_old_line_table.
1671 (selftest::temp_line_table::temp_line_table): Rename ctor to...
1672 (selftest::line_table_test::line_table_test): ...this. Add a
1673 default ctor. Store current value of line_table within
1675 (selftest::temp_line_table::~temp_line_table): Rename dtor to...
1676 (selftest::line_table_test::~line_table_test): ...this, and
1677 restore line_table from the saved_line_table, rather than
1679 (selftest::test_accessing_ordinary_linemaps): Update for above
1681 (selftest::test_lexer): Likewise.
1682 (struct selftest::lexer_test): Likewise.
1683 (selftest::lexer_test::lexer_test): Likewise.
1684 (selftest::input_c_tests): Move the looping over test cases from
1686 (selftest::for_each_line_table_case): New function.
1687 * input.h (saved_line_table): New decl.
1688 * selftest.h (struct selftest::line_table_case): New forward decl.
1689 (class selftest::line_table_test): New class, moved here from
1690 selftest::temp_line_table in input.c, and renamed.
1691 (selftest::for_each_line_table_case): New decl.
1693 2015-08-18 H.J. Lu <hongjiu.lu@intel.com>
1696 * config/i386/i386.c (lakemont_cost): Set MOVE_RATIO to 17.
1698 2016-08-18 Chung-Lin Tang <cltang@codesourcery.com>
1701 * gimplify.c (omp_add_variable): Adjust/add variable mapping on
1702 enclosing parallel construct for reduction variables on OpenACC loop
1705 2016-08-18 Pierre-Marie de Rodat <derodat@adacore.com>
1707 * dwarf2out.c (copy_dwarf_procedure): Remove obsolete comment.
1708 (new_dwarf_proc_die): Emit DW_TAG_dwarf_procedure DIEs even for
1710 (function_to_dwarf_procedure): Update comment.
1712 2016-08-18 David Malcolm <dmalcolm@redhat.com>
1714 * input.c (diagnostics_file_cache_forcibly_evict_file): New
1716 * input.h (diagnostics_file_cache_forcibly_evict_file): New
1718 * selftest.c (selftest::temp_source_file::~temp_source_file):
1719 Evict m_filename from the diagnostic file cache.
1721 2016-08-18 Richard Biener <rguenther@suse.de>
1723 * tree-pass.h (make_pass_materialize_all_clones): Declare.
1724 * ipa.c (pass_data_materialize_all_clones, pass_materialize_all_clones,
1725 make_pass_materialize_all_clones): New simple IPA pass encapsulating
1726 clone materialization.
1727 * passes.def (all_late_ipa_passes): Start with
1728 pass_materialize_all_clones.
1729 * cgraphunit.c (symbol_table::compile): Remove call to
1730 materialize_all_clones.
1731 * tree-into-ssa.c: Include statistics.h.
1732 (update_ssa): Count number of times we do incremental/rewrite
1735 2016-08-18 Richard Biener <rguenther@suse.de>
1737 PR tree-optimization/77282
1738 * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
1739 When doing auto-parallelizing also prevent use of PHIs that
1740 carry dependences across loop backedges.
1742 2016-08-18 Tamar Christina <tamar.christina@arm.com>
1743 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
1745 * varasm.c (default_use_anchors_for_symbol_p): Reject too large decls.
1747 2016-08-18 Richard Biener <rguenther@suse.de>
1749 * ssa-iterators.h (ssa_vuse_operand): New inline.
1750 * tree-if-conv.c (ifc_temp_var): Update virtual operand.
1751 (predicate_all_scalar_phis): Use remove_phi_node to remove
1752 phi nodes predicated. Delay removing virtual PHIs.
1753 (predicate_mem_writes): Update virtual operands.
1754 (combine_blocks): Likewise. Propagate out remaining virtual PHIs.
1755 (tree_if_conversion): Do not rewrite virtual SSA form.
1756 * tree-phinodes.c (release_phi_node): Make static.
1757 * tree-phinodes.h (release_phi_node): Remove.
1759 2016-08-18 Jakub Jelinek <jakub@redhat.com>
1761 * config/i386/i386.c (enum ix86_builtins): Remove IX86_BUILTIN_*
1762 codes that appear in bdesc_* arrays, instead include i386-builtin.def
1763 twice to define those.
1764 (bdesc_comi, bdesc_pcmpestr, bdesc_pcmpistr, bdesc_special_args,
1765 bdesc_args, bdesc_round_args, bdesc_mpx, bdesc_mpx_const,
1766 bdesc_multi_arg): Define by including i386-builtin.def the third time.
1767 * config/i386/i386-builtin.def: New file.
1769 2016-08-17 David Malcolm <dmalcolm@redhat.com>
1771 * input.c (get_source_range_for_char): Rename to...
1772 (selftest::get_source_range_for_char): ...this, and move within
1773 the #if CHECKING_P guard.
1774 (get_num_source_ranges_for_substring): Rename to...
1775 (selftest::get_num_source_ranges_for_substring): ...this, move
1776 within the #if CHECKING_P guard, and make static.
1777 (selftest::assert_num_substring_ranges): Initialize
1780 2016-08-18 Alan Modra <amodra@gmail.com>
1782 PR rtl-optimization/72771
1783 * reload.c (find_reloads): Don't assume that a subreg mem is OK
1784 when find_reloads_toplev returns address_reloaded==-1.
1785 (alternative_allows_const_pool_ref): Update comment.
1787 2015-08-17 Alan Hayward <alan.hayward@arm.com>
1789 PR tree-optimization/71752
1790 * tree-vect-loop.c (vectorizable_reduction): Keep SLP operand ordering.
1791 * tree-vect-slp.c (vect_get_slp_defs): Handle null operands.
1793 2016-08-17 Jakub Jelinek <jakub@redhat.com>
1795 * gimple-fold.c (gimple_fold_call): Use gimple_call_noreturn_p
1796 instead of testing ECF_NORETURN bit in gimple_call_flags.
1797 * tree-cfg.c (make_edges_bb, execute_fixup_cfg): Likewise.
1798 * predict.c (tree_bb_level_predictions): Likewise.
1799 * gimple-low.c (gimple_stmt_may_fallthru): Likewise.
1802 * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children): If
1803 turning a call into __builtin_unreachable-like noreturn call, adjust
1804 gimple_call_set_fntype.
1805 * tree-cfgcleanup.c (fixup_noreturn_call): Remove lhs also if
1806 gimple_call_fntype has void return type.
1808 2016-08-17 Chung-Lin Tang <cltang@codesourcery.com>
1810 * omp-low.c (lower_oacc_reductions): Adjust variable lookup to use
1811 maybe_lookup_decl, to handle nested acc loop directives.
1813 2016-08-17 Richard Biener <rguenther@suse.de>
1815 PR tree-optimization/76490
1816 * tree-vrp.c (update_value_range): Preserve overflow infinities
1817 when intersecting with ranges from get_range_info.
1818 (operand_less_p): Handle overflow infinities correctly.
1819 (value_range_constant_singleton): Use vrp_operand_equal_p
1820 to handle overflow max/min correctly.
1821 (vrp_valueize): Likewise.
1822 (union_ranges): Likewise.
1823 (intersect_ranges): Likewise.
1824 (vrp_visit_phi_node): Improve iteration limitation to only
1825 apply when we'll possibly re-visit the PHI via a changed argument
1828 2016-08-17 Thomas Preud'homme <thomas.preudhomme@arm.com>
1830 * config/arm/t-aprofile (MULTILIB_EXCEPTIONS): Rewrite into ...
1831 (MULTILIB_REQUIRED): This by specifying multilib needing to be built
1832 rather than those that should not be built.
1834 2016-08-17 Stanislaw Halik <sthalik@misaki.pl>
1837 * config/i386/xm-mingw32.h (HOST_BITS_PER_PTR): Define if __x86_64__.
1839 2016-08-17 Richard Biener <rguenther@suse.de>
1841 * tree-ssa.c: Include tree-cfg.h and tree-dfa.h.
1842 (verify_vssa): New function verifying virtual SSA form.
1843 (verify_ssa): Call it.
1844 * tree-ssa-loop-manip.c (slpeel_update_phi_nodes_for_guard2):
1845 Do not apply loop-closed SSA handling to virtuals.
1846 * ssa-iterators.h (op_iter_init): Handle GIMPLE_TRANSACTION.
1847 * tree-into-ssa.c (prepare_use_sites_for): Skip virtual SSA names
1848 when rewriting their symbol.
1849 (prepare_def_site_for): Likewise.
1850 * tree-chkp-opt.c (chkp_reduce_bounds_lifetime): Clear virtual
1851 operands of moved stmts.
1853 2016-08-17 Richard Biener <rguenther@suse.de>
1855 PR tree-optimization/23855
1856 * tree-ssa-loop-unswitch.c: Include tree-ssa-loop-manip.h.
1857 (tree_unswitch_outer_loop): Iterate find_loop_guard as long as we
1858 find guards to hoist. Do not update SSA form but rewrite virtuals
1859 into loop closed SSA.
1860 (find_loop_guard): Adjust to skip already hoisted guards. Do
1861 not mark virtuals for renaming or update SSA form.
1863 2016-08-17 Martin Liska <mliska@suse.cz>
1865 * coverage.c (get_gcov_type): Replace GCOV_TYPE_SIZE with
1866 a LONG_LONG_TYPE_SIZE comparison.
1867 * gcov-io.h: Remove macro definitions.
1868 * tree-profile.c (gimple_gen_edge_profiler): Replace usage
1869 of GCOV_TYPE_ATOMIC_FETCH_ADD with a LONG_LONG_TYPE_SIZE
1872 2016-08-16 Jakub Jelinek <jakub@redhat.com>
1874 * config/i386/i386.c (enum ix86_builtins): Reorder enumerators, so
1875 that builtins not mentioned in bdesc_* arrays come first, then
1876 the ones mentioned in bdesc_* arrays in the order they appear in
1877 the arrays in between IX86_BUILTIN__BDESC_*_FIRST and
1878 IX86_BUILTIN__BDESC_*_LAST enumerator.
1879 (bdesc_mpx): Fix up a comment typo.
1880 (bdesc_multi_arg): Remove __builtin_ia32_vpcomne[bwdq] and
1881 __builtin_ia32_vpcomneu[bwdq] builtins.
1882 (BDESC_VERIFY, BDESC_VERIFYS): Define.
1883 (ix86_init_mmx_sse_builtins, ix86_init_mpx_builtins): Verify
1884 enum ix86_builtins ordering.
1885 (ix86_expand_builtin): Use enum ix86_builtins ordering assumption
1886 for direct bdesc_* array member access instead of searching all the
1887 arrays until an fcode match is found.
1889 2016-08-16 Uros Bizjak <ubizjak@gmail.com>
1891 * config/i386/i386.md (*ashl<mode>3_mask): Rewrite define_insn
1892 pattern as define_insn_and_split. Split insn before reload to
1894 (*<shift_insn><mode>3_mask): Ditto. Split insn before reload to
1895 <shift_insn><mode>3_1.
1896 (*<rotate_insn><mode>3_mask): Ditto. Split insn before reload to
1897 <rotate_insn><mode>3_1.
1899 2016-08-16 David Malcolm <dmalcolm@redhat.com>
1902 * input.c (get_source_range_for_substring): Rename to...
1903 (get_source_location_for_substring): ...this, adding param
1904 "caret_idx", and converting output param from source_range * to
1906 (get_source_range_for_char): New function.
1907 (get_num_source_ranges_for_substring): Update comment to reflect
1909 (assert_char_at_range): Update to use get_source_range_for_char
1910 rather than get_source_range_for_substring.
1911 (test_lexer_string_locations_concatenation_2): Likewise.
1912 * substring-locations.h (get_source_range_for_substring): Rename
1914 (get_source_location_for_substring): ...this, and adding param
1915 "caret_idx", and converting output param from source_range * to
1918 2016-08-16 David Malcolm <dmalcolm@redhat.com>
1920 * input.c (class selftest::temp_source_file): Move to
1922 (selftest::temp_source_file::temp_source_file): Move to
1924 (selftest::temp_source_file::~temp_source_file): Likewise.
1925 * selftest.c (selftest::temp_source_file::temp_source_file): Move
1927 (selftest::temp_source_file::~temp_source_file): Likewise.
1928 * selftest.h (class selftest::temp_source_file): Move here from
1931 2016-08-16 Jakub Jelinek <jakub@redhat.com>
1934 * tree-cfg.c (execute_fixup_cfg): Add node variable, use it. Before
1935 inlining, add cgraph edge for the added __builtin_unreachable call.
1938 * expmed.c (expand_mult_const): Change val_so_far's type to UHWI,
1939 only cast it to SHWI for the final comparison.
1941 2016-08-16 Martin Liska <mliska@suse.cz>
1943 PR gcov-profile/36412
1944 * doc/gcov.texi: Document --hash-filenames(-x).
1945 * gcov.c (print_usage): Add the option.
1946 (process_args): Process the option, sort options alphabetically.
1947 (md5sum_to_hex): New function.
1948 (make_gcov_file_name): Do the md5sum and append it to a
1951 2016-08-16 Bin Cheng <bin.cheng@arm.com>
1953 PR tree-optimization/69848
1954 * config/aarch64/aarch64-simd.md (vcond<mode><mode>): Invert NE
1955 and swtich operands to avoid additional NOT instruction.
1956 (vcond<v_cmp_mixed><mode>): Ditto.
1957 (vcondu<mode><mode>, vcondu<mode><v_cmp_mixed>): Ditto.
1959 2016-08-16 Eric Botcazou <ebotcazou@adacore.com>
1961 * doc/install.texi (*-*-solaris2*): Adjust latest change.
1963 2016-08-16 Richard Biener <rguenther@suse.de>
1965 PR tree-optimization/76783
1966 * tree-ssa-propagate.c (ssa_prop_init): Use RPO order. Clear
1967 BB visited flags at start.
1969 2016-08-16 Bin Cheng <bin.cheng@arm.com>
1971 PR tree-optimization/72817
1972 PR tree-optimization/73450
1973 * tree-ssa-loop-niter.c (number_of_iterations_ne): Check
1974 multiple_of_p for adjusted IV.base.
1976 2016-08-15 Uros Bizjak <ubizjak@gmail.com>
1979 * config/i386/sse.md (<code><mode>3<mask_name><round_saeonly_name>):
1980 Emit ieee_<ieee_maxmin><mode>3<mask_name><round_saeonly_name>
1981 for !flag_finite_math_only or flag_signed_zeros.
1982 (*<code><mode>3<mask_name><round_saeonly_name>): Rename from
1983 *<code><mode>3_finite<mask_name><round_saeonly_name>. Do not
1984 depend on flag_finite_math_only.
1985 (ieee_<ieee_maxmin><mode>3<mask_name><round_saeonly_name>):
1987 (*<code><mode>3<mask_name><round_saeonly_name>): Remove.
1988 (*ieee_smin<mode>3): Ditto.
1989 (*ieee_smax<mode>3): Ditto.
1990 * config/i386/mmx.md (mmx_<code>v2sf3): Emit
1991 mmx_ieee_<ieee_maxmin>v2sf3 for !flag_finite_math_only or
1993 (*mmx_<code>v2sf3): Rename from *mmx_<code>v2sf3_finite. Do not
1994 depend on flag_finite_math_only.
1995 (mmx_ieee_<ieee_maxmin>v2sf3): New insn pattern.
1996 (*mmx_<code>v2sf3): Remove.
1997 * config/i386/subst.md (round_saeonly_mask_arg3): New subst attribute.
1998 * config/i386/i386.c (ix86_expand_sse_fp_mimnax): Check
1999 flag_signed_zeros instead of !flag_unsafe_math_optimizations.
2001 2016-08-15 Segher Boessenkool <segher@kernel.crashing.org>
2003 PR rtl-optimization/73650
2004 * lra-constraints.c (simple_move_p): If the insn is multiple_sets
2005 it is not a simple move.
2007 2016-08-15 Martin Liska <mliska@suse.cz>
2010 * gcc.c (do_spec_1): Call save_string with the right size.
2011 (save_string): Do an assert about string we copy.
2013 2016-08-15 Richard Biener <rguenther@suse.de>
2015 * ree.c (rest_of_handle_ree): Remove redundant timevar push/pop.
2016 * config/i386/i386.c (pass_data_insert_vzeroupper): Account to
2018 (pass_data_stv): Likewise.
2020 2016-08-15 Richard Biener <rguenther@suse.de>
2022 PR tree-optimization/73434
2023 * tree-ssa-sccvn.c (vn_reference_maybe_forwprop_address): Preserve
2024 TBAA info on the base when forwarding a non-invariant address.
2026 2016-08-15 Jakub Jelinek <jakub@redhat.com>
2028 * dwarf2out.c (struct checksum_attributes): Add
2029 at_string_length_bit_size and at_string_length_byte_size fields.
2030 (collect_checksum_attributes): Handle DW_AT_string_length_bit_size
2031 and DW_AT_string_length_byte_size.
2032 (die_checksum_ordered): Handle at_string_length_bit_size and
2033 at_string_length_byte_size.
2034 (gen_array_type_die): For dwarf_version >= 5 emit
2035 DW_AT_string_length_byte_size instead of DW_AT_byte_size.
2036 (adjust_string_types): For dwarf_version >= 5 remove
2037 DW_AT_string_length_byte_size instead of DW_AT_byte_size.
2038 (resolve_addr): Likewise.
2041 * dwarf2out.c (string_types): New variable.
2042 (gen_array_type_die): Change early_dwarf handling of
2043 DW_AT_string_length, create DW_OP_call4 referencing the
2044 length var temporarily. Handle parameters that are pointers
2046 (adjust_string_types): New function.
2047 (gen_subprogram_die): Temporarily set string_types to local var,
2048 call adjust_string_types if needed.
2049 (non_dwarf_expression, copy_deref_exprloc, optimize_string_length):
2051 (resolve_addr): Adjust DW_AT_string_length if it is DW_OP_call4.
2053 2016-08-15 Eric Botcazou <ebotcazou@adacore.com>
2055 * doc/install.texi (*-*-solaris2*): Fix version number and document
2056 requirement on GNU make for building libjava with the Solaris linker.
2058 2016-08-15 Martin Liska <mliska@suse.cz>
2059 Jakub Jelinek <jakub@redhat.com>
2061 PR tree-optimization/72824
2062 * tree-loop-distribution.c (const_with_all_bytes_same)
2063 <case VECTOR_CST>: Fix a typo.
2065 2016-08-14 Uros Bizjak <ubizjak@gmail.com>
2068 * config/i386/avx512fintrin.h (_mm512_undefined_epi32):
2069 Renamed from _mm512_undefined_si512.
2070 (_mm_undefined_si512): New definition.
2072 2016-08-13 Richard Biener <rguenther@suse.de>
2074 * tree-ssa-forwprop.c (pass_forwprop::execute): Propagate
2075 into PHIs and update the lattice for its def.
2077 2016-08-12 Jakub Jelinek <jakub@redhat.com>
2080 * ubsan.c (instrument_si_overflow): Pass true instead of false
2082 (pass_ubsan::execute): Call gimple_purge_dead_eh_edges at the end
2083 of bbs. Return TODO_cleanup_cfg if any returned true.
2085 2016-08-12 Michael Meissner <meissner@linux.vnet.ibm.com>
2087 * config/rs6000/vsx.md (vsx_concat_<mode>): Add support for the
2088 ISA 3.0 MTVSRDD instruction.
2089 (vsx_splat_<mode>): Change cpu type of MTVSRDD instruction to
2092 2016-08-12 Bernd Edlinger <bernd.edlinger@hotmail.de>
2094 PR tree-optimization/71083
2095 * tree-predcom.c (ref_at_iteration): Use a COMPONENT_REF for the
2096 bitfield access when possible.
2098 2016-08-12 Patrick Palka <ppalka@gcc.gnu.org>
2101 * match.pd ((T)A CMP (T)B -> A CMP B): Allow (T)A to be a
2102 sign-changing cast from a shorter unsigned type to a wider
2105 2016-08-12 Jakub Jelinek <jakub@redhat.com>
2107 * config/i386/sse.md (avx512dq_vextract<shuffletype>64x2_1_maskm,
2108 vec_extract_hi_<mode>_mask, vec_extract_lo_<mode>_mask,
2109 vec_extract_hi_<mode>_mask): Use Yk constraint instead of k.
2111 2016-08-12 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2113 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost):
2114 Correct costs for vec_construct.
2116 2016-08-12 Bin Cheng <bin.cheng@arm.com>
2118 PR tree-optimization/69848
2119 * tree-vectorizer.h (enum vect_def_type): New condition reduction
2120 type CONST_COND_REDUCTION.
2121 * tree-vect-loop.c (vectorizable_reduction): Support new condition
2122 reudction type CONST_COND_REDUCTION.
2124 2016-08-12 Richard Biener <rguenther@suse.de>
2126 PR tree-optimization/57326
2127 * tree-ssa-pre.c (fully_constant_expression): Handle simplification
2128 returning an SSA name.
2129 (phi_translate_1): When fully_constant_expression returns a NAME
2130 make sure we have a leader for it.
2132 2016-08-12 Martin Liska <mliska@suse.cz>
2133 Adam Fineman <afineman@afineman.com>
2135 * gcov.c (process_file): Create .gcov file when .gcda
2138 2016-08-12 Marek Polacek <polacek@redhat.com>
2141 * alias.c (find_base_value): Adjust fall through comment.
2142 * cfgexpand.c (expand_debug_expr): Likewise.
2143 * combine.c (find_split_point): Likewise.
2144 (expand_compound_operation): Likewise. Add FALLTHRU.
2145 (make_compound_operation): Adjust fall through comment.
2146 (canon_reg_for_combine): Add FALLTHRU.
2147 (force_to_mode): Adjust fall through comment.
2148 (simplify_shift_const_1): Likewise.
2149 (simplify_comparison): Likewise.
2150 * config/aarch64/aarch64-builtins.c (aarch64_simd_expand_args): Add
2152 * config/aarch64/predicates.md: Likewise.
2153 * config/i386/i386.c (function_arg_advance_32): Likewise.
2154 (ix86_gimplify_va_arg): Likewise.
2155 (print_reg): Likewise.
2156 (ix86_print_operand): Likewise.
2157 (ix86_build_const_vector): Likewise.
2158 (ix86_expand_branch): Likewise.
2159 (ix86_sched_init_global): Adjust fall through comment.
2160 (ix86_expand_args_builtin): Add FALLTHRU.
2161 (ix86_expand_builtin): Likewise.
2162 (ix86_expand_vector_init_one_var): Likewise.
2163 * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
2164 (rs6000_adjust_cost): Likewise.
2165 (insn_must_be_first_in_group): Likewise.
2166 * config/rs6000/rs6000.md: Likewise. Adjust fall through comment.
2167 * dbxout.c (dbxout_symbol): Adjust fall through comment.
2168 * df-scan.c (df_uses_record): Likewise.
2169 * dojump.c (do_jump): Add FALLTHRU.
2170 * dwarf2out.c (mem_loc_descriptor): Likewise. Adjust fall through
2172 (resolve_args_picking_1): Adjust fall through comment.
2173 (loc_list_from_tree_1): Likewise.
2174 * expmed.c (make_tree): Likewise.
2175 * expr.c (expand_expr_real_2): Add FALLTHRU.
2176 (expand_expr_real_1): Likewise. Adjust fall through comment.
2177 * fold-const.c (const_binop): Adjust fall through comment.
2178 (fold_truth_not_expr): Likewise.
2179 (fold_cond_expr_with_comparison): Add FALLTHRU.
2180 (fold_binary_loc): Likewise.
2181 (contains_label_1): Adjust fall through comment.
2182 (multiple_of_p): Likewise.
2183 * gcov-tool.c (process_args): Add FALLTHRU.
2184 * genattrtab.c (check_attr_test): Likewise.
2185 (write_test_expr): Likewise.
2186 * genconfig.c (walk_insn_part): Likewise.
2187 * genpreds.c (validate_exp): Adjust fall through comment.
2188 (needs_variable): Likewise.
2189 * gensupport.c (get_alternatives_number): Add FALLTHRU.
2190 (subst_dup): Likewise.
2191 * gimple-pretty-print.c (dump_gimple_assign): Likewise.
2192 * gimplify.c (gimplify_addr_expr): Adjust fall through comment.
2193 (gimplify_scan_omp_clauses): Add FALLTHRU.
2194 (goa_stabilize_expr): Likewise.
2195 * graphite-isl-ast-to-gimple.c (substitute_ssa_name): Adjust fall
2197 * hsa-gen.c (get_address_from_value): Likewise.
2198 * ipa-icf.c (sem_function::hash_stmt): Likewise.
2199 * ira.c (ira_setup_alts): Add FALLTHRU.
2200 * lra-eliminations.c (lra_eliminate_regs_1): Adjust fall through
2202 * lto-streamer-out.c (lto_output_tree_ref): Add FALLTHRU.
2203 * opts.c (common_handle_option): Likewise.
2204 * read-rtl.c (read_rtx_code): Likewise.
2205 * real.c (round_for_format): Likewise.
2206 * recog.c (asm_operand_ok): Likewise.
2207 * reginfo.c (reg_scan_mark_refs): Adjust fall through comment.
2208 * reload1.c (set_label_offsets): Likewise.
2209 (eliminate_regs_1): Likewise.
2210 (reload_reg_reaches_end_p): Likewise.
2211 * rtlanal.c (commutative_operand_precedence): Add FALLTHRU.
2212 (rtx_cost): Likewise.
2213 * sched-rgn.c (is_exception_free): Likewise.
2214 * simplify-rtx.c (simplify_rtx): Adjust fall through comment.
2215 * stor-layout.c (int_mode_for_mode): Likewise.
2216 * toplev.c (print_to_asm_out_file): Likewise.
2217 (print_to_stderr): Likewise.
2218 * tree-cfg.c (gimple_verify_flow_info): Likewise.
2219 * tree-chrec.c (chrec_fold_plus_1): Add FALLTHRU.
2220 (chrec_fold_multiply): Likewise.
2221 (evolution_function_is_invariant_rec_p): Likewise.
2222 (for_each_scev_op): Likewise.
2223 * tree-data-ref.c (siv_subscript_p): Likewise.
2224 (get_references_in_stmt): Likewise.
2225 * tree.c (find_placeholder_in_expr): Adjust fall through comment.
2226 (substitute_in_expr): Likewise.
2227 (type_cache_hasher::equal): Likewise.
2228 (walk_type_fields): Likewise.
2229 * var-tracking.c (adjust_mems): Add FALLTHRU.
2230 (set_dv_changed): Adjust fall through comment.
2231 * varasm.c (default_function_section): Add FALLTHRU.
2233 2016-08-12 Marek Polacek <polacek@redhat.com>
2236 * tree-complex.c (expand_complex_division): Add missing break.
2238 2016-08-12 Richard Biener <rguenther@suse.de>
2240 * passes.c (execute_todo): Do not push/pop TV_TODO.
2241 (execute_one_ipa_transform_pass): Move timevar push/pop TODO execution.
2242 (execute_one_pass): Likewise.
2243 * common.opt (ftime-report-details): New switch.
2244 * doc/invoke.texi (ftime-report-details): Document.
2245 * timevar.h (timer::print_row): Adjust signature.
2246 (timer::all_zero): New static helper.
2247 (timer::child_map_t): New typedef.
2248 (timer::time_var_def): Add children field.
2249 * timevar.c (timer::named_items::print): Adjust.
2250 (timer::~timer): Free timevar recorded children.
2251 (timer::pop_internal): When -ftime-report-details record
2252 time spent in sub-timevars.
2253 (timer::print_row): Adjust.
2254 (timer::print): Print sub-timevar stats, use all_zero.
2255 * timevar.def (TV_TODO): Remove.
2257 2016-08-12 Richard Biener <rguenther@suse.de>
2259 PR tree-optimization/72851
2260 * tree-ssa-propagate.c: Include cfganal.h. Rewrite block and stmt
2261 worklists to use bitmaps indexed in execution order.
2262 (executable_blocks, cfg_blocks_num, cfg_blocks_tail, cfg_blocks_head,
2263 bb_in_list, interesting_ssa_edges, varying_ssa_edges): Remove.
2264 (cfg_blocks): Make a bitmap.
2265 (bb_to_cfg_order, cfg_order_to_bb, ssa_edge_worklist, uid_to_stmt):
2267 (cfg_blocks_empty_p): Adjust.
2268 (cfg_blocks_add): Likewise.
2269 (cfg_blocks_get): Likewise.
2270 (add_ssa_edge): Likewise.
2271 (add_control_edge): Likewise.
2272 (simulate_stmt): Likewise.
2273 (process_ssa_edge_worklist): Likewise.
2274 (simulate_block): Likewise.
2275 (ssa_prop_init): Compute PRE order and stmt UIDs.
2276 (ssa_prop_fini): Adjust.
2277 (ssa_propagate): Adjust.
2279 2016-08-12 Richard Biener <rguenther@suse.de>
2281 * tree-vrp.c (vrp_visit_phi_node): Allow a last iteration if
2282 the currently executable edges have fixed ranges. Always
2283 go through update_value_range.
2285 2016-08-12 Alexandre Oliva <aoliva@redhat.com>
2289 (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Const_tree-ify.
2290 (LANG_HOOKS_FUNCTION_DECL_DELETED_P): Likewise.
2291 (LANG_HOOKS_FUNCTION_DECL_DEFAULTED): Set default.
2292 (LANG_HOOKS_DECLS): Add it.
2293 * langhooks.h (struct lang_hooks_for_decls): Add
2294 function_decl_defaulted. Const_tree-ify
2295 function_decl_explicit_p and function_decl_deleted_p.
2296 * dwarf2out.c (gen_subprogram_die): Add DW_AT_defaulted
2297 attribute. Add DW_AT_deleted instead of DW_AT_GNU_deleted,
2298 also at strict DWARF v5.
2301 * dwarf2out.c (decl_quals): Don't map TREE_READONLY to
2302 TYPE_QUAL_CONST in reference-typed decls.
2305 * dwarf2out.c (loc_list_from_tree_1): Expand some CONSTRUCTORs
2306 in DW_OP_pieces, just enough to handle pointers to member
2308 (gen_remaining_tmpl_value_param_die_attribute): Use a location
2309 expression on DWARFv5 if a constant value doesn't work.
2311 2016-08-11 David Malcolm <dmalcolm@redhat.com>
2313 * selftest-run-tests.c (selftest::run_tests): Call selftest_c_tests.
2314 * selftest.c (selftest::test_assertions): New function.
2315 (selftest::selftest_c_tests): New function.
2316 * selftest.h (selftest::selftest_c_tests): New declaration.
2318 2016-08-11 Richard Biener <rguenther@suse.de>
2319 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2321 PR rtl-optimization/72855
2322 * df-core.c (df_verify): Turn off DF_VERIFY_SCHEDULED at end.
2324 2016-08-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2327 * vsx.md (vsx_load_<mode>): For P8LE, emit swaps at expand time.
2328 (vsx_store_<mode>): Likewise.
2330 2015-08-11 H.J. Lu <hongjiu.lu@intel.com>
2332 * config/i386/i386.c (timode_scalar_to_vector_candidate_p): Allow
2333 TImode CONST_WIDE_INT store.
2334 (timode_scalar_chain::convert_insn): Handle CONST_WIDE_INT store.
2336 2015-08-11 H.J. Lu <hongjiu.lu@intel.com>
2338 * config/i386/i386.h (MOVE_MAX_PIECES): Use TImode in 64-bit
2339 mode if unaligned SSE load and store are optimal.
2341 2016-08-11 Bernd Edlinger <bernd.edlinger@hotmail.de>
2343 PR tree-optimization/71083
2344 * tree-predcom.c (ref_at_iteration): Correctly align the
2347 2016-08-11 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
2349 * config/s390/s390-builtin-types.def: Add INT128 types.
2350 * config/s390/s390-builtins.def: Add INT128 variants for the add
2351 sub low-level builtins dealing with TImode.
2352 * config/s390/s390.c (s390_expand_builtin): Allow mode conversions
2353 via subreg when expanding a builtin.
2354 * config/s390/s390.md: Remove UNSPEC_VEC_ADDC_U128,
2355 UNSPEC_VEC_SUB_U128, and UNSPEC_VEC_SUBC_U128 constants.
2357 * config/s390/vecintrin.h: Adjust builtin names accordingly.
2358 * config/s390/vx-builtins.md ("vec_add_u128"): Remove expander.
2359 ("vec_addc<mode>", "vec_addc_u128"): Merge to
2360 "vacc<bhfgq>_<mode>".
2361 ("vec_adde_u128"): Rename to "vacq". Change mode to TImode.
2362 ("vec_addec_u128"): Rename to "vacccq". Change mode to TImode.
2363 ("vec_subc<mode>", "vec_subc_u128"): Merge to
2364 "vscbi<bhfgq>_<mode>".
2365 ("vec_sube_u128"): Rename to "vsbiq". Change mode to TImode.
2366 ("vec_subec_u128"): Rename to "vsbcbiq". Change mode to TImode.
2368 2016-08-11 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
2370 * config/s390/s390-builtins.def: Mark last operand of s390_vlvg*
2372 2016-08-11 Bin Cheng <bin.cheng@arm.com>
2374 * config/aarch64/aarch64-simd.md (vcond<mode><mode>): Delete
2376 (vcond<v_cmp_mixed><mode>): Ditto.
2377 (vcondu<mode><mode>, vcondu<mode><v_cmp_mixed>): Ditto.
2379 2016-08-11 Bin Cheng <bin.cheng@arm.com>
2381 * config/aarch64/aarch64-simd.md (vec_cmp<mode><v_cmp_result>): Init
2382 variable explicitly, also assert on it before use.
2384 2016-08-11 Richard Biener <rguenther@suse.de>
2386 PR tree-optimization/72772
2387 * cfgloopmanip.c (create_preheader): Use split_edge if there
2388 is a single loop entry, avoiding degenerate PHIs.
2390 2016-08-11 Richard Biener <rguenther@suse.de>
2392 * tree-ssa-threadbackward.c (pass_data_thread_jumps): Remove
2393 unconditional TODO_cleanup_cfg.
2394 (pass_thread_jumps::execute): Initialize loops, perform a CFG
2395 cleanup only if we threaded a jump.
2397 2016-08-11 Alan Modra <amodra@gmail.com>
2400 * lra-constraints.c (simplify_operand_subreg): Allow subreg
2401 mode for mem when SLOW_UNALIGNED_ACCESS if inner mode is also
2402 slow. Emit two reloads for slow mem case, first loading in
2403 fast innermode, then converting to required mode.
2405 2016-08-10 Kelvin Nilsen <kelvin@gcc.gnu.org>
2407 * config/rs6000/altivec.h (vec_extract_exp): New macro.
2408 (vec_extract_sig): New macro.
2409 (vec_insert_exp): New macro.
2410 (vec_test_data_class): New macro.
2411 (scalar_extract_exp): New macro.
2412 (scalar_extract_sig): New macro.
2413 (scalar_insert_exp): New macro.
2414 (scalar_test_data_class): New macro.
2415 (scalar_test_neg): New macro.
2416 (scalar_cmp_exp_gt): New macro.
2417 (scalar_cmp_exp_lt): New macro.
2418 (scalar_cmp_exp_eq): New macro.
2419 (scalar_cmp_exp_unordered): New macro.
2420 * config/rs6000/predicates.md (u7bit_cint_operand): New predicate
2421 to enforce constraint that operand is a 7-bit unsigned literal.
2422 * config/rs6000/rs6000-builtin.def (BU_P9V_64BIT_VSX_1): New macro
2423 for power9 built-ins.
2424 (BU_P9V_VSX_2): Likewise.
2425 (BU_P9V_64BIT_VSX_2): Likewise.
2426 (VSEEDP): Add scalar extract exponent support.
2427 (VSEESP): Add scalar extract signature support.
2428 (VSTDCNDP): Add scalar test negative support.
2429 (VSTDCNSP): Likewise.
2430 (VSIEDP): Add scalar insert exponent support.
2431 (VSCEDPGT): Add scalar compare exponent greater than support.
2432 (VSCEDPLT): Add scalar compare exponent less than support.
2433 (VSCEDPEQ): Add scalar compare exponent test-for-equality support.
2434 (VSCEDPUO): Add scalar compare exponent test-for-unordered support.
2435 (VSTDCDP): Add scalar test data class support.
2436 (VSTDCSP): Likewise.
2437 (VSEEDP): Add overload support for scalar extract exponent
2439 (VSESDP): Add overload support for scalar extract signature
2441 (VSTDCN): Add overload support for scalar test negative
2443 (VSTDCNDP): Add overload support for scalar test negative
2445 (VSTDCNSP): Add overload support for scalar test negative
2447 (VSIEDP): Add overload support for scalar insert exponent
2449 (VSTDC): Add overload support for scalar test data class
2451 (VSTDCDP): Add overload support for scalar test data class
2453 (VSTDCSP): Add overload support for scalar test data class
2455 (VSCEDPGT): Add overload support for scalar compare exponent
2456 greater than operation.
2457 (VSCEDPLT): Add overload support for scalar compare exponent
2458 less than operation.
2459 (VSCEDPEQ): Add overload support for scalar compare exponent
2460 test-for-equality operation.
2461 (VSCEDPUO): Add overload support for scalar compare exponent
2462 test-for-unordered operation.
2463 (VEEDP): Add vector extract exponent support.
2465 (VESDP): Add vector extract significand support.
2467 (VIEDP): Add vector insert exponent support.
2469 (VTDCDP): Add vector test data class support.
2471 (VES): Add overload support for vector extract significand operation.
2474 (VEE): Add overload support for vector extract exponent operation.
2477 (VTDC): Add overload support for vector test data class operation.
2480 (VIE): Add overload support for vector insert exponent operation.
2483 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
2484 overloaded binary floating point functions.
2485 (altivec_resolve_overloaded_builtin): Improve error messages to
2486 distinguish between functions not supported in the current
2487 compiler configuration and functions that were invoked with an
2488 invalid parameter combination, and include the built-in function
2489 name in both error messages.
2490 * config/rs6000/rs6000-protos.h (rs6000_overloaded_builtin_name):
2492 * config/rs6000/rs6000.c (rs6000_overloaded_builtin_name): New
2494 (rs6000_expand_binop_builtin): Add check to enforce that argument
2495 2 of the test data class operations is a 7-bit unsigned literal.
2496 (rs6000_invalid_builtin): Add code to issue an error message if a
2497 built-in function that requires the power9_vector and -m32
2498 command-line options is compiled without these options.
2499 * config/rs6000/vsx.md (UNSPEC_VSX_SXEXPDP): New value.
2500 (UNSPEC_VSX_SXSIGDP): New value.
2501 (UNSPEC_VSX_SXSIGPDP): New value.
2502 (UNSPEC_VSX_SIEXPDP): New value.
2503 (UNSPEC_VSX_SCMPEXPDP): New value.
2504 (UNSPEC_VSX_STSTDC): New value.
2505 (UNSPEC_VSX_VXEXP): New value.
2506 (UNSPEC_VSX_VXSIG): New value.
2507 (UNSPEC_VSX_VIEXP): New value.
2508 (UNSPEC_VSX_VTSTDC): New value.
2509 (xsxexpdp): New insn for scalar extract exponent.
2510 (xsxsigdp): New insn for scalar extract significand.
2511 (xsiexpdp): New insn for scalar insert exponent.
2512 (xscmpexpdp_<code>): New expansion for scalar compare exponents.
2513 (*xscmpexpdp): New insn for scalar compare exponents.
2514 (xststdc<Fvsx): New expansion for both single- and
2515 double-precision scalar test data class operations.
2516 (xststdcneg<Fvsx>): New expansion for both single- and
2517 double-precision scalar test for negative value operations.
2518 (*xststdc<Fvsx>): New insn for scalar test data class
2520 (xvxexp<VSs>): New insn for single- and double-precision
2521 vector extract exponent operation.
2522 (xvxsig<VSs>): New insn for single- and double-precision
2523 vector extract significand operation.
2524 (xviexp<VSs>): New insn for single- and double-precision
2525 vector insert exponent operation.
2526 (xvtstdc<VSs>): New insn for single- and double-precision
2527 vector test data class operation.
2528 * doc/extend.texi (PowerPC AltiVec Built-in Functions): Document
2529 built-in functions to represent the Power9 binary floating-point
2530 support instructions.
2532 2016-08-10 bin cheng <bin.cheng@arm.com>
2534 * doc/sourcebuild.texi (@item vect_cond_mixed): New item.
2536 2016-08-10 Alan Lawrence <alan.lawrence@arm.com>
2537 Renlin Li <renlin.li@arm.com>
2538 Bin Cheng <bin.cheng@arm.com>
2540 * config/aarch64/iterators.md (V_cmp_mixed, v_cmp_mixed): New.
2541 * config/aarch64/aarch64-simd.md (<su><maxmin>v2di3): Call
2542 gen_vcondv2div2di instead of gen_aarch64_vcond_internalv2div2di.
2543 (aarch64_vcond_internal<mode><mode>): Delete pattern.
2544 (aarch64_vcond_internal<VDQF_COND:mode><VDQF:mode>): Ditto.
2545 (vcond<v_cmp_result><mode>): Ditto.
2546 (vcond<mode><mode>): Re-implement using vec_cmp and vcond_mask.
2547 (vcondu<mode><mode>): Ditto.
2548 (vcond<v_cmp_mixed><mode>): New pattern.
2549 (vcondu<mode><v_cmp_mixed>): New pattern.
2550 (aarch64_cmtst<mode>): Revise comment using aarch64_vcond instead
2551 of aarch64_vcond_internal.
2553 2016-08-10 Alan Lawrence <alan.lawrence@arm.com>
2554 Renlin Li <renlin.li@arm.com>
2555 Bin Cheng <bin.cheng@arm.com>
2557 * config/aarch64/aarch64-simd.md (vec_cmp<mode><mode>): New pattern.
2558 (vec_cmp<mode><v_cmp_result>): New pattern.
2559 (vec_cmpu<mode><mode>): New pattern.
2560 (vcond_mask_<mode><v_cmp_result>): New pattern.
2562 2016-08-10 Yuri Rumyantsev <ysrumyan@gmail.com>
2564 PR tree-optimization/71734
2565 * tree-ssa-loop-im.c (ref_indep_loop_p): Add new argument
2566 REF_LOOP, invoke ref_indep_loop_p_1.
2567 (outermost_indep_loop): Pass LOOP argumnet where REF was defined
2568 to ref_indep_loop_p.
2569 (ref_indep_loop_p_1): Fix commentary, add argument REF_LOOP,
2570 combine it with ref_indep_lopp_p_2, update SAFELEN if only REF
2571 is inside LOOP, do not cache dpendence value for loops with
2573 (ref_indep_loop_p_2): Delete function.
2574 (can_sm_ref_p): Pass LOOP as additional argument to
2577 2016-08-10 Michael Meissner <meissner@linux.vnet.ibm.com>
2580 * config/rs6000/rs6000.c (mem_operand_ds_form): Add check for op
2581 being an offsettable address.
2583 2016-08-10 Martin Liska <mliska@suse.cz>
2585 PR gcov-profile/58306
2586 * tree-profile.c (gimple_init_edge_profiler): Create conditionally
2587 atomic variants of profile update functions.
2589 2016-08-10 Martin Liska <mliska@suse.cz>
2591 Cherry picked (and modified) from google-4_7 branch
2592 2012-12-26 Rong Xu <xur@google.com>
2593 * common.opt (fprofile-update): Add new flag.
2594 * coretypes.h: Define enum profile_update.
2595 * doc/invoke.texi: Document -fprofile-update.
2596 * gcov-io.h: Declare GCOV_TYPE_ATOMIC_FETCH_ADD and
2597 GCOV_TYPE_ATOMIC_FETCH_ADD_FN.
2598 * tree-profile.c (gimple_init_edge_profiler): Generate
2599 also atomic profiler update.
2600 (gimple_gen_edge_profiler): Likewise.
2602 2016-08-10 David Malcolm <dmalcolm@redhat.com>
2604 * toplev.c (finalize): Set aux_info_file, asm_out_file, and
2605 stack_usage_file to NULL after fclose calls.
2607 2016-08-10 Senthil Kumar Selvaraj <senthil_kumar.selvaraj@atmel.com>
2610 * reload.c (push_reload): Compute subreg_in_class for
2611 subregs of constants and plus expressions. Remove special
2612 handling of SYMBOL_REFs.
2614 2016-08-10 Alan Modra <amodra@gmail.com>
2617 * config/rs6000/rs6000.h (HARD_REGNO_CALLER_SAVE_MODE): Return
2618 SImode for TARGET_E500_DOUBLE when given SImode.
2620 2016-08-09 David Wohlferd <dw@LimeGreenSocks.com>
2622 * config/i3836/avx512fintrin.h (_mm512_cvtsepi64_epi32): Remove
2623 unused variable __O.
2625 2016-08-09 Martin Liska <mliska@suse.cz>
2627 * doc/gcov.texi: Change _gcov_dump to __gcov_dump and
2628 _gcov_reset to __gcov_reset.
2629 * doc/gcov-tool.texi: Fix typo.
2631 2016-08-09 Martin Liska <mliska@suse.cz>
2633 * value-prof.c (gimple_divmod_values_to_profile): Do not
2634 instrument MOD histogram if a value is not a SSA name.
2636 2016-08-09 Martin Liska <mliska@suse.cz>
2638 * value-prof.c (dump_histogram_value): Swap pow2 and non-pow2
2641 2016-08-09 Renlin Li <renlin.li@arm.com>
2644 * calls.c (prepare_call_address): Convert funexp to Pmode when
2646 * config/aarch64/aarch64.md (sibcall): Remove fix for PR 64971.
2647 (sibcall_value): Likewise.
2649 2016-08-09 Marek Polacek <polacek@redhat.com>
2652 * cselib.c (cselib_expand_value_rtx_1): Add return.
2653 * gengtype.c (dbgprint_count_type_at): Likewise.
2654 * hsa-gen.c (gen_hsa_insn_for_internal_fn_call): Likewise.
2655 * reg-stack.c (get_true_reg): Restructure to avoid fallthrough warning.
2657 2016-08-09 Martin Jambor <mjambor@suse.cz>
2660 * ipa-polymorphic-call.c (get_dynamic_type): Bail out gracefully
2661 if instance is a MEM_REF.
2663 2016-08-09 Uros Bizjak <ubizjak@gmail.com>
2666 * config/i386/i386.md (*movtf_internal): Use
2667 lra_in_progress || reload_completed instead of !can_create_pseudo_p
2668 in the insn constraint.
2669 (*movxf_internal): Ditto.
2670 (*movdf_internal): Ditto.
2671 (*movsf_internal): Ditto.
2673 2016-08-09 Bin Cheng <bin.cheng@arm.com>
2675 PR tree-optimization/72772
2676 * tree-ssa-loop-niter.c (loop_exits_before_overflow): Check equality
2679 2016-08-09 Bin Cheng <bin.cheng@arm.com>
2681 PR tree-optimization/72772
2682 * tree-ssa-loop-niter.h (simplify_using_initial_conditions): Delete
2684 * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Delete
2685 parameter STOP and update calls. Move expand_simple_operations
2686 function call from here...
2687 (simplify_using_initial_conditions): ...to here. Delete parameter
2689 (tree_simplify_using_condition): Delete parameter STOP.
2690 * tree-scalar-evolution.c (simple_iv_with_niters): Update call to
2691 simplify_using_initial_conditions.
2693 2016-08-09 Matthew Fortune <matthew.fortune@imgtec.com>
2696 * config/mips/mips.c (mips_atomic_assign_expand_fenv):
2697 Use create_tmp_var_raw instead of create_tmp_var.
2699 2016-08-09 Richard Biener <rguenther@suse.de>
2701 * tree-ssa-threadbackward.c (profitable_jump_thread_path):
2702 Treat same SSA names related.
2704 2016-08-09 Jakub Jelinek <jakub@redhat.com>
2706 PR tree-optimization/72824
2707 * tree-loop-distribution.c (const_with_all_bytes_same): Verify
2708 real_zerop is not negative.
2710 2016-08-09 Richard Biener <rguenther@suse.de>
2712 PR tree-optimization/71802
2713 * tree-cfgcleanup.c (cleanup_tree_cfg_bb): Make sure to catch
2714 all merge opportunities with the predecessor.
2716 2016-08-09 Richard Biener <rguenther@suse.de>
2719 * ipa-prop.c (ipa_modify_formal_parameters): Build
2720 parameter types with natural alignment also for the
2723 2016-08-08 Andi Kleen <ak@linux.intel.com>
2725 * tree-vrp.c (get_single_symbol): Always initialize inv and neg.
2727 2016-08-08 David Malcolm <dmalcolm@redhat.com>
2730 * langhooks-def.h (LANG_HOOKS_RUN_LANG_SELFTESTS): New default
2731 do-nothing langhook.
2732 (LANG_HOOKS_INITIALIZER): Add LANG_HOOKS_RUN_LANG_SELFTESTS.
2733 * langhooks.h (struct lang_hooks): Add run_lang_selftests.
2734 * selftest-run-tests.c: Include "tree.h" and "langhooks.h".
2735 (selftest::run_tests): Call lang_hooks.run_lang_selftests.
2737 2016-08-08 David Malcolm <dmalcolm@redhat.com>
2740 * input.c: Ensure that HAVE_ICONV is defined.
2742 2016-08-08 Jakub Jelinek <jakub@redhat.com>
2745 * omp-low.c (lower_lastprivate_clauses): Set TREE_NO_WARNING on the
2746 private vars for lastprivate and for linear iterator.
2749 * omp-simd-clone.c: Include varasm.h.
2750 (simd_clone_create): Copy over DECL_COMDAT, DECL_WEAK, DECL_EXTERNAL,
2751 DECL_VISIBILITY, DECL_VISIBILITY_SPECIFIED, DECL_DLLIMPORT_P and for
2752 DECL_ONE_ONLY call make_decl_one_only. Fix up spelling in comment and
2753 update function name.
2755 2016-07-29 Pitchumani Sivanupandi <pitchumani.s@atmel.com>
2757 * config/avr/driver-avr.c (specfiles_doc_url): Remove.
2758 (avr_diagnose_devicespecs_error): Remove.
2759 (avr_devicespecs_file): Remove composing absolute path for specfile
2760 and its verbose info. Remove conditions to check specs-file,
2762 2016-08-08 Jakub Jelinek <jakub@redhat.com>
2764 PR rtl-optimization/72821
2765 * lra-spills.c (regno_in_use_p): Don't use BLOCK_FOR_INSN on barriers,
2766 just return false for them.
2768 2016-08-08 Alan Modra <amodra@gmail.com>
2771 * config/rs6000/rs6000.c (toc_relative_expr_p): Allow (lo_sum (high))
2772 toc refs created during reload. Update function comment.
2774 2016-08-08 Alan Modra <amodra@gmail.com>
2777 * config/rs6000/rs6000.md (mov<mode>_hardfloat): Sort
2778 alternatives. Put loads first, then stores, and reg/reg moves
2779 within same class later. Delete attr length.
2781 2016-08-08 Alan Modra <amodra@gmail.com>
2784 * config/rs6000/rs6000.c (mem_operand_gpr): Remove vsx dform test.
2785 (mem_operand_ds_form): New predicate.
2786 * config/rs6000/rs6000-protos.h (mem_operand_ds_form): Declare.
2787 * config/rs6000/constraints.md (wY): Use mem_operand_df_form.
2788 * config/rs6000/predicates.md (offsettable_mem_14bit_operand): Delete.
2789 * config/rs6000/rs6000.md (f32_lm2, f32_sm2): Use wY for SF.
2790 (extendsfdf2_fpr): Replace o constraint with wY.
2792 2016-08-07 Jan Hubicka <hubicka@ucw.cz>
2794 * tree-ssa-threadbackward.c: Include tree-inline.h
2795 (profitable_jump_thread_path): Use estimate_num_insns to estimate
2796 size of copied block; for cold paths reduce duplication.
2797 (find_jump_threads_backwards): Remove redundant tests.
2798 (pass_thread_jumps::gate): Enable for -Os.
2800 2016-08-07 Jakub Jelinek <jakub@redhat.com>
2803 * stor-layout.c (layout_decl): Fix up formatting.
2804 (relayout_decl): Allow DECL to be FIELD_DECL.
2806 2016-08-07 Alan Modra <amodra@gmail.com>
2808 * config/rs6000/rs6000.md (fix_trunc<mode>si2): Fix mode of reg.
2810 2016-08-07 Kugan Vivekanandarajah <kuganv@linaro.org>
2812 * data-streamer-in.c (streamer_read_wide_int): New.
2813 (streamer_read_widest_int): Renamed function.
2814 * data-streamer-out.c (streamer_write_wide_int): New
2815 (streamer_write_widest_int): Renamed function.
2816 * lto-streamer-in.c (streamer_read_wi): Renamed and moved to
2818 (input_cfg): Call renamed function.
2819 * lto-streamer-out.c (streamer_write_wi): Renamed and moved to
2821 (output_cfg): Call renamed function.
2822 * data-streamer.h: Add declarations.
2824 2016-08-08 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
2826 * tree-ssa-ccp.c (extend_mask): New param sgn.
2827 Remove ORing with wi::mask.
2828 (get_default_value): Adjust call to extend_mask to pass sign.
2829 (evaluate_stmt): Likewise.
2831 2016-08-06 Jakub Jelinek <jakub@redhat.com>
2833 * gcov.c (handle_cycle): Use INTTYPE_MAXIMUM (int64_t) instead of
2836 2016-08-06 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
2838 * match.pd ((intptr_t) x eq/ne CST to x eq/ne (typeof x) cst): Disable
2839 transform if operand's type is pointer to function or method.
2841 2016-08-05 Patrick Palka <ppalka@gcc.gnu.org>
2843 PR tree-optimization/18046
2844 * tree-ssa-threadedge.c: Include cfganal.h.
2845 (simplify_control_statement_condition): If simplifying a
2846 GIMPLE_SWITCH, replace the index operand of the GIMPLE_SWITCH
2847 with the dominating ASSERT_EXPR before handing it off to VRP.
2848 Mention that a CASE_LABEL_EXPR may be returned.
2849 (thread_around_empty_blocks): Adjust to handle
2850 simplify_control_statement_condition() returning a
2852 (thread_through_normal_block): Likewise.
2853 * tree-vrp.c (simplify_stmt_for_jump_threading): Simplify
2854 a switch statement by trying to determine which case label
2857 2016-08-05 Vladimir Makarov <vmakarov@redhat.com>
2859 PR rtl-optimization/69847
2860 * lra-constraints.c (process_invariant_for_inheritance): Save
2861 pattern instead of src.
2862 (remove_inheritance_pseudos): Use the pattern. Add assert.
2864 2016-08-05 David Malcolm <dmalcolm@redhat.com>
2866 * input.c (string_concat::string_concat): New constructor.
2867 (string_concat_db::string_concat_db): New constructor.
2868 (string_concat_db::record_string_concatenation): New method.
2869 (string_concat_db::get_string_concatenation): New method.
2870 (string_concat_db::get_key_loc): New method.
2871 (class auto_cpp_string_vec): New class.
2872 (get_substring_ranges_for_loc): New function.
2873 (get_source_range_for_substring): New function.
2874 (get_num_source_ranges_for_substring): New function.
2875 (class selftest::lexer_test_options): New class.
2876 (struct selftest::lexer_test): New struct.
2877 (class selftest::ebcdic_execution_charset): New class.
2878 (selftest::ebcdic_execution_charset::s_singleton): New variable.
2879 (selftest::lexer_test::lexer_test): New constructor.
2880 (selftest::lexer_test::~lexer_test): New destructor.
2881 (selftest::lexer_test::get_token): New method.
2882 (selftest::assert_char_at_range): New function.
2883 (ASSERT_CHAR_AT_RANGE): New macro.
2884 (selftest::assert_num_substring_ranges): New function.
2885 (ASSERT_NUM_SUBSTRING_RANGES): New macro.
2886 (selftest::assert_has_no_substring_ranges): New function.
2887 (ASSERT_HAS_NO_SUBSTRING_RANGES): New macro.
2888 (selftest::test_lexer_string_locations_simple): New function.
2889 (selftest::test_lexer_string_locations_ebcdic): New function.
2890 (selftest::test_lexer_string_locations_hex): New function.
2891 (selftest::test_lexer_string_locations_oct): New function.
2892 (selftest::test_lexer_string_locations_letter_escape_1): New function.
2893 (selftest::test_lexer_string_locations_letter_escape_2): New function.
2894 (selftest::test_lexer_string_locations_ucn4): New function.
2895 (selftest::test_lexer_string_locations_ucn8): New function.
2896 (selftest::uint32_from_big_endian): New function.
2897 (selftest::test_lexer_string_locations_wide_string): New function.
2898 (selftest::uint16_from_big_endian): New function.
2899 (selftest::test_lexer_string_locations_string16): New function.
2900 (selftest::test_lexer_string_locations_string32): New function.
2901 (selftest::test_lexer_string_locations_u8): New function.
2902 (selftest::test_lexer_string_locations_utf8_source): New function.
2903 (selftest::test_lexer_string_locations_concatenation_1): New
2905 (selftest::test_lexer_string_locations_concatenation_2): New
2907 (selftest::test_lexer_string_locations_concatenation_3): New
2909 (selftest::test_lexer_string_locations_macro): New function.
2910 (selftest::test_lexer_string_locations_stringified_macro_argument):
2912 (selftest::test_lexer_string_locations_non_string): New function.
2913 (selftest::test_lexer_string_locations_long_line): New function.
2914 (selftest::test_lexer_char_constants): New function.
2915 (selftest::input_c_tests): Call the new test functions once per
2916 case within the line_table test matrix.
2917 * input.h (struct string_concat): New struct.
2918 (struct location_hash): New struct.
2919 (class string_concat_db): New class.
2920 * substring-locations.h: New header.
2922 2016-08-05 Patrick Palka <ppalka@gcc.gnu.org>
2924 PR tree-optimization/72810
2925 * tree-vrp.c (simplify_switch_using_ranges): Avoid changing
2926 the type of the case labels when truncating.
2928 2016-08-05 James Greenhalgh <james.greenhalgh@arm.com>
2931 * config/aarch64/aarch64.h (aarch64_fp16_type_node): Declare.
2932 (aarch64_fp16_ptr_type_node): Likewise.
2933 * config/aarch64/aarch64-simd-builtins.c
2934 (aarch64_fp16_ptr_type_node): Define.
2935 (aarch64_init_fp16_types): New, refactored out of...
2936 (aarch64_init_builtins): ...here, update to call
2937 aarch64_init_fp16_types.
2938 * config/aarch64/aarch64.c (aarch64_gimplify_va_arg_expr): Handle
2940 (aapcs_vfp_sub_candidate): Likewise.
2942 2016-08-05 Martin Liska <mliska@suse.cz>
2943 Joshua Cranmer <Pidgeot18@gmail.com>
2945 * gcov.c (line_t::has_block): New function.
2946 (enum loop_type): New enum.
2947 (handle_cycle): New function.
2948 (unblock): Likewise.
2949 (circuit): Likewise.
2950 (get_cycles_count): Likewise.
2951 (accumulate_line_counts): Use new loop detection algorithm.
2953 2016-08-05 Martin Liska <mliska@suse.cz>
2955 * gcov.c (output_intermediate_file): Rename
2956 function_info::line_next to next_file_fn.
2957 (process_file): Likewise.
2958 (read_graph_file): Likewise.
2959 (accumulate_line_counts): Likewise.
2960 (output_lines): Likewise.
2962 2016-08-05 Richard Biener <rguenther@suse.de>
2964 * tree-ssa-threadupdate.c (thread_block_1): Remove unnecessary
2965 restriction on threading to a loop header.
2967 2016-08-05 Richard Biener <rguenther@suse.de>
2969 * tree-cfgcleanup.c (tree_forwarder_block_p): Use bb_loop_header_p.
2970 * cfghooks.c (force_nonfallthru): If we ended up splitting a latch
2971 adjust loop info accordingly.
2973 2016-08-05 Kugan Vivekanandarajah <kuganv@linaro.org>
2975 * tree-vrp.c (extract_range_basic): Check cfun->after_inlining
2976 before folding call to __builtin_constant_p with parameters to false.
2978 2016-08-05 Alan Modra <amodra@gmail.com>
2980 * config/rs6000/rs6000.c (rs6000_preferred_reload_class): Delete
2981 code accidentally committed 2016-05-02 providing class when given
2984 2016-08-04 Patrick Palka <ppalka@gcc.gnu.org>
2986 * tree-vrp.c (simplify_switch_using_ranges): Try to truncate
2987 the case label ranges that partially overlap with OP's value
2990 2016-08-04 Uros Bizjak <ubizjak@gmail.com>
2993 * config/i386/avx512fintrin.h (_mm512_cmp_epi32_mask) [!__OPTIMIZE__]:
2994 Cast builtin function result to __mmask16 instead of __mmask8.
2995 (_mm512_cmp_epu32_mask) [!__OPTIMIZE__]: Ditto.
2996 (_mm512_mask_cmp_epi32_mask) [!__OPTIMIZE__]: Ditto.
2997 (_mm512_mask_cmp_epu32_mask) [!__OPTIMIZE__]: Ditto.
2999 2016-08-04 David Malcolm <dmalcolm@redhat.com>
3001 * selftest.h (ASSERT_TRUE): Reimplement in terms of...
3002 (ASSERT_TRUE_AT): New macro.
3003 (ASSERT_FALSE): Reimplement in terms of...
3004 (ASSERT_FALSE_AT): New macro.
3005 (ASSERT_STREQ_AT): Fix typo in comment.
3007 2016-08-04 Patrick Palka <ppalka@gcc.gnu.org>
3009 * gimple.c (preprocess_case_label_vec_for_gimple): When the case
3010 labels are exhaustive, designate the label with the widest
3011 range to be the default label.
3013 2016-08-04 Andrew Pinski <apinski@cavium.com>
3015 * config/aarch64/aarch64.c (thunderx_vector_cost): New variable.
3016 (thunderx_tunings): Use thunderx_vector_cost instead of
3017 generic_vector_cost.
3019 2016-08-04 Martin Liska <mliska@suse.cz>
3021 * gcov.c (main): Fix GNU coding style.
3022 (output_intermediate_file): Likewise.
3023 (process_file): Likewise.
3024 (generate_results): Likewise.
3025 (release_structures): Likewise.
3026 (create_file_names): Likewise.
3027 (find_source): Likewise.
3028 (read_graph_file): Likewise.
3029 (find_exception_blocks): Likewise.
3030 (canonicalize_name): Likewise.
3031 (make_gcov_file_name): Likewise.
3032 (mangle_name): Likewise.
3033 (accumulate_line_counts): Likewise.
3034 (output_branch_count): Likewise.
3035 (read_line): Likewise.
3037 2016-08-04 Bernd Edlinger <bernd.edlinger@hotmail.de>
3039 PR rtl-optimization/71779
3040 * emit-rtl.c (set_reg_attrs_from_value): Only propagate REG_POINTER,
3041 if the value was sign-extended according to POINTERS_EXTEND_UNSIGNED
3042 or if it was truncated.
3044 PR rtl-optimization/70903
3045 * cse.c (cse_insn): If DEST is a paradoxical SUBREG, don't record DEST.
3047 2016-08-04 Kugan Vivekanandarajah <kuganv@linaro.org>
3049 * tree-inline.c (remap_ssa_name): Check for POINTER_TYPE_P before
3050 accessing SSA_NAME_PTR_INFO.
3052 2016-08-04 Georg-Johann Lay <avr@gjlay.de>
3055 * common/config/avr/avr-common.c (avr_option_optimization_table)
3056 [OPT_LEVELS_ALL]: Turn off -fcaller-saves.
3058 2016-08-04 Georg-Johann Lay <avr@gjlay.de>
3061 * config/avr/avr.md: New pattern to work around do_store_flag
3062 generating shift instructions for bit extractions.
3064 2016-08-04 Kugan Vivekanandarajah <kuganv@linaro.org>
3066 * tree-vrp.c (set_value_range): Use vrp_equiv_obstack with
3068 (add_equivalence): Likewise.
3069 (get_value_range): Allocate value range with vrp_value_range_pool.
3070 (vrp_initialize): Initialize vrp_equiv_obstack for equiv allocation.
3071 (vrp_finalize): Relase vrp_equiv_obstack and vrp_value_range_pool.
3073 2016-08-03 Peter Bergner <bergner@vnet.ibm.com>
3075 * config/rs6000/rs6000.c (rs6000_option_override_internal): Make LRA
3076 the default for the rs6000 port.
3078 2016-08-03 Bernd Edlinger <bernd.edlinger@hotmail.de>
3081 * calls.c (special_function_p): Remove special handling of
3082 "setjmp_syscall", "qsetjmp", "longjmp", "siglongjmp" and the
3083 prefix "__x". Recognize "savectx", "vfork" and "getcontext" only
3084 without prefix. Remove potentially unsafe ECF_LEAF and ECF_NORETURN.
3086 2016-08-03 Vladimir Makarov <vmakarov@redhat.com>
3089 * lra-spills.c (regno_in_use_p): Check bb and regno modification.
3090 Don't stop on regular insns.
3092 2016-08-03 Nathan Sidwell <nathan@codesourcery.com>
3094 * config/nvptx/nvptx.c (nvptx_declare_function_name): Round frame
3095 size to DImode boundary.
3096 (nvptx_propagate): Likewise.
3098 2016-08-03 Alan Modra <amodra@gmail.com>
3100 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Make scalar
3101 float access depend on TARGET_EFFICIENT_UNALIGNED_VSX.
3102 * config/rs6000/rs6000.opt (-mefficient-unaligned-vsx): Renamed
3103 from -mefficient-unaligned-vector. Note that this affects fp too.
3105 2016-08-03 Alan Modra <amodra@gmail.com>
3107 * config/rs6000/rs6000.c (rs6000_rtx_costs): Make unaligned mem
3110 2016-08-03 Alan Modra <amodra@gmail.com>
3112 * config/rs6000/rs6000.md (fix_trunc<mode>si2): Force source operand
3113 to a reg. Localize vars.
3115 2016-08-03 Alan Modra <amodra@gmail.com>
3117 * config/rs6000/rs6000.opt: Remove negatives from help strings
3120 2016-08-03 Alan Modra <amodra@gmail.com>
3122 * config/rs6000/rs6000.c (rs6000_secondary_reload_direct_move):
3123 Delete duplicated code.
3125 2016-08-02 Vladimir Makarov <vmakarov@redhat.com>
3128 * lra-spills.c (regno_in_use_p): New.
3129 (lra_final_code_change): Use it.
3131 2016-08-02 Vladimir Makarov <vmakarov@redhat.com>
3133 PR rtl-optimization/69847
3134 * lra-int.h (struct lra-reg): Use restore_rtx instead of
3136 (lra_rtx_hash): New.
3137 * lra.c (initialize_lra_reg_info_element): Use restore_rtx instead
3139 (lra_rtx_hash): Rename and move lra-remat.c::rtx_hash.
3140 * lra-remat.c (rtx_hash): Rename and Move to lra.c.
3141 * lra-spills.c (lra_final_code_change): Don't delete insn when the
3142 next insn is USE with the same reg as the current insn source.
3143 * lra-constraints.c (curr_insn_transform): Use restore_rtx instead
3145 (lra_constraints_init): Call initiate_invariants.
3146 (lra_constraints_finish): Call finish_invariants.
3147 (struct invariant, invariant_t, invariant_ptr_t): New.
3148 (const_invariant_ptr_t, invariants, invariants_pool): New.
3149 (invariant_table, invariant_hash, invariant_eq_p): New.
3150 (insert_invariant, initiate_invariants, finish_invariants): New.
3151 (clear_invariants, invalid_invariant_regs): New.
3152 (inherit_reload_reg, split_reg, fix_bb_live_info): Use restore_rtx
3153 instead of restore_regno.
3154 (invariant_p, process_invariant_for_inheritance): New.
3155 (inherit_in_ebb): Implement invariant inheritance.
3156 (lra_inheritance): Initialize and finalize invalid_invariant_regs.
3157 (remove_inheritance_pseudos): Implement undoing invariant
3159 (undo_optional_reloads, lra_undo_inheritance): Use restore_rtx
3160 instead of restore_regno.
3161 * lra-assigns.c (regno_live_length): New.
3162 (reload_pseudo_compare_func): Use regno_live_length.
3163 (assign_by_spills): Use restore_rtx instead of restore_regno.
3164 (lra_assign): Ditto. Initiate regno_live_length.
3166 2016-02-08 James Greenhalgh <james.greenhalgh@arm.com>
3168 * config/aarch64/arm_neon.h (vminnm_f64): Add back missing 'f' from
3169 __builtin_aarch64_fmindf.
3171 2016-08-02 Bin Cheng <bin.cheng@arm.com>
3173 PR tree-optimization/34114
3174 * tree-ssa-loop-niter.c (number_of_iterations_ne): Prove no-overflow
3175 information for more control IVs.
3177 2016-08-02 Bin Cheng <bin.cheng@arm.com>
3179 PR tree-optimization/34114
3180 * fold-const.c (multiple_of_p): Improve MULT_EXPR, PLUS_EXPR,
3181 PLUS_EXPR case. Handle SSA_NAME case.
3183 2016-08-02 Tamar Christina <tamar.christina@arm.com>
3185 * config/aarch64/aarch64-simd-builtins.def
3186 (__builtin_aarch64_fmindf): Change BUILTIN_VDQF to BUILTIN_VDQF_DF.
3187 (__builtin_aarch64_fmaxdf): Likewise.
3188 (__builtin_aarch64_smin_nandf): Likewise.
3189 (__builtin_aarch64_smax_nandf): Likewise.
3190 * config/aarch64/aarch64-simd.md (<fmaxmin><mode>3): Remove.
3191 * config/aarch64/aarch64.md (<fmaxmin><mode>3): Rename to...
3192 (<fmaxmin><mode>3): ...this.
3193 * config/aarch64/arm_neon.h (vmaxnm_f64): New.
3194 (vminnm_f64): Likewise.
3195 (vmin_f64): Likewise.
3196 (vmax_f64): Likewise.
3197 * config/aarch64/iterators.md (FMAXMIN): Merge with...
3198 (FMAXMIN_UNS): ...this.
3199 (fmaxmin): Merged with
3200 (fmaxmin_op): ...this...
3201 (maxmin_uns_op): ...in to this.
3203 2016-08-01 Michael Meissner <meissner@linux.vnet.ibm.com>
3205 * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
3206 Add support for vec_extract on vector float, vector int, vector
3207 short, and vector char vector types.
3208 * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Add
3209 vector float, vector int, vector short, and vector char
3210 optimizations on 64-bit ISA 2.07 systems for both constant and
3211 variable element numbers.
3212 (rs6000_split_vec_extract_var): Likewise.
3213 * config/rs6000/vsx.md (vsx_xscvspdp_scalar2): Allow SFmode to be
3214 Altivec registers on ISA 2.07 and above.
3215 (vsx_extract_v4sf): Delete alternative that hard coded element 0,
3216 which never was matched due to the split occuring before register
3217 allocation (and the code would not have worked on little endian
3218 systems if it did match). Allow extracts to go to the Altivec
3219 registers if ISA 2.07 (power8). Change from using "" around the
3220 C++ code to using {}'s.
3221 (vsx_extract_v4sf_<mode>_load): New insn to optimize vector float
3222 vec_extracts when the vector is in memory.
3223 (vsx_extract_v4sf_var): New insn to optimize vector float
3224 vec_extracts when the element number is variable on 64-bit ISA
3226 (vsx_extract_<mode>, VSX_EXTRACT_I iterator): Add optimizations
3227 for 64-bit ISA 2.07 as well as ISA 3.0.
3228 (vsx_extract_<mode>_p9, VSX_EXTRACT_I iterator): Likewise.
3229 (vsx_extract_<mode>_p8, VSX_EXTRACT_I iterator): Likewise.
3230 (vsx_extract_<mode>_load, VSX_EXTRACT_I iterator): New insn to
3231 optimize vector int, vector short, and vector char vec_extracts
3232 when the vector is in memory.
3233 (vsx_extract_<mode>_var, VSX_EXTRACT_I iterator): New insn to
3234 optimize vector int, vector short, and vector char vec_extracts
3235 when the element number is variable.
3237 2016-08-01 Georg-Johann Lay <avr@gjlay.de>
3240 * config/avr/avr.c (AVR_SYMBOL_FLAG_TINY_PM): Use a value that
3241 does not overlap with other symbol flags.
3243 2016-08-01 Wilco Dijkstra <wdijkstr@arm.com>
3245 * config/aarch64/aarch64.h (aarch64_frame):
3246 Remove padding0 and hardfp_offset. Add locals_offset,
3247 initial_adjust, callee_adjust, callee_offset and final_adjust.
3248 * config/aarch64/aarch64.c (aarch64_layout_frame):
3249 Remove unused padding0 and hardfp_offset initializations.
3250 Choose frame layout and set frame variables accordingly.
3251 Use INVALID_REGNUM instead of FIRST_PSEUDO_REGISTER.
3252 (aarch64_push_regs): Use INVALID_REGNUM, not FIRST_PSEUDO_REGISTER.
3253 (aarch64_pop_regs): Likewise.
3254 (aarch64_expand_prologue): Remove all decision code, just emit
3255 prolog according to frame variables.
3256 (aarch64_expand_epilogue): Remove all decision code, just emit
3257 epilog according to frame variables.
3258 (aarch64_initial_elimination_offset): Use offset to local/arg area.
3260 2015-08-01 H.J. Lu <hongjiu.lu@intel.com>
3263 * config/i386/i386.c (timode_scalar_chain::convert_insn): Call
3264 fix_debug_reg_uses after changing source register mode to
3265 V1TImode if source register is undefined.
3267 2015-08-01 Alan Hayward <alan.hayward@arm.com>
3269 PR tree-optimization/71818
3270 * tree-vect-loop-manip.c (vect_can_advance_ivs_p): Don't advance IVs
3271 with non invariant evolutions
3273 2016-08-01 Georg-Johann Lay <avr@gjlay.de>
3276 * config/avr/avr.md (length) [branch]: Correct insn length
3277 attribute for forward branches.
3279 2016-08-01 Georg-Johann Lay <avr@gjlay.de>
3281 * doc/extend.texi (AVR Built-in Functions): Document
3283 * config/avr/builtins.def (NOPS): New.
3284 * config/avr/avr.c (avr_expand_nops): New static function.
3285 (avr_expand_builtin): Use it to handle AVR_BUILTIN_NOPS.
3287 2016-08-01 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
3289 * config/aarch64/aarch64.c (aarch64_classify_address): Use DImode when
3290 performing aarch64_offset_7bit_signed_scaled_p check for TImode LDP/STP
3293 2016-08-01 Virendra Pathak <virendra.pathak@broadcom.com>
3295 * config/aarch64/aarch64.c (vulcan_tunings): Update
3296 vulcan L1 cache_line_size.
3298 2016-07-30 Michael Meissner <meissner@linux.vnet.ibm.com>
3300 * config/rs6000/rs6000-protos.h (rs6000_adjust_vec_address): New
3301 function that takes a vector memory address, a hard register, an
3302 element number and a temporary base register, and recreates an
3303 address that points to the appropriate element within the vector.
3304 * config/rs6000/rs6000.c (rs6000_adjust_vec_address): Likewise.
3305 (rs6000_split_vec_extract_var): Add support for the target of a
3306 vec_extract with variable element number being a scalar memory
3308 (rtx_is_swappable_p): VLSO insns (UNSPEC_VSX_VSLOW) are not
3310 * config/rs6000/vsx.md (vsx_extract_<mode>_load): Replace
3311 vsx_extract_<mode>_load insn with a new insn that optimizes
3312 storing either element to a memory location, using scratch
3313 registers to pick apart the vector and reconstruct the address.
3314 (vsx_extract_<P:mode>_<VSX_D:mode>_load): Likewise.
3315 (vsx_extract_<mode>_store): Rework alternatives to more correctly
3316 support Altivec registers. Add support for ISA 3.0 Altivec d-form
3318 (vsx_extract_<mode>_var): Add support for extracting a variable
3319 element number from memory.
3321 2016-07-29 Georg-Johann Lay <avr@gjlay.de>
3323 * config/avr/avr.c (avr_out_compare): Use const0_rtx instead of 0
3324 when testing for compares against constants of the form 0xabab.
3326 2016-07-29 Bin Cheng <bin.cheng@arm.com>
3328 PR tree-optimization/57558
3329 * tree-vect-loop-manip.c (vect_create_cond_for_niters_checks): New
3331 (vect_loop_versioning): Support versioning with niter assumptions.
3332 * tree-vect-loop.c (tree-ssa-loop.h): Include header file.
3333 (vect_get_loop_niters): New parameter. Reimplement to support
3334 assumptions in loop niter info.
3335 (vect_analyze_loop_form_1, vect_analyze_loop_form): Ditto.
3336 (new_loop_vec_info): Init LOOP_VINFO_NITERS_ASSUMPTIONS.
3337 (vect_estimate_min_profitable_iters): Use LOOP_REQUIRES_VERSIONING.
3338 Support loop versioning for niters.
3339 * tree-vectorizer.c (tree-ssa-loop-niter.h): Include header file.
3340 (vect_free_loop_info_assumptions): New function.
3341 (vectorize_loops): Free loop niter info for loops with flag
3342 LOOP_F_ASSUMPTIONS set if vectorization failed.
3343 * tree-vectorizer.h (struct _loop_vec_info): New field
3344 num_iters_assumptions.
3345 (LOOP_VINFO_NITERS_ASSUMPTIONS): New macro.
3346 (LOOP_REQUIRES_VERSIONING_FOR_NITERS): New macro.
3347 (LOOP_REQUIRES_VERSIONING): New macro.
3348 (vect_free_loop_info_assumptions): New decl.
3350 2016-07-29 Bin Cheng <bin.cheng@arm.com>
3352 * cfgloop.h (struct loop): New field constraints.
3353 (LOOP_C_INFINITE, LOOP_C_FINITE): New macros.
3354 (loop_constraint_set, loop_constraint_clr, loop_constraint_set_p): New
3356 * cfgloop.c (alloc_loop): Initialize new field.
3357 * cfgloopmanip.c (copy_loop_info): Copy constraints.
3358 * tree-ssa-loop-niter.c (number_of_iterations_exit_assumptions):
3359 Adjust niter analysis wrto loop constraints.
3360 * doc/loop.texi (@node Number of iterations): Add description for loop
3363 2016-07-29 Marek Polacek <polacek@redhat.com>
3366 * config/i386/i386.c (ix86_expand_args_builtin): Add break.
3367 (ix86_expand_round_builtin): Likewise.
3369 2016-07-29 Segher Boessenkool <segher@kernel.crashing.org>
3370 Georg-Johann Lay <avr@gjlay.de>
3372 PR rtl-optimization/71976
3373 * combine.c (get_last_value): Return 0 if the argument for which
3374 the function is called has a wider mode than the recorded value.
3376 2016-07-29 Marek Polacek <polacek@redhat.com>
3379 * config/rs6000/rs6000.c (altivec_expand_ld_builtin): Add break.
3380 (altivec_expand_st_builtin): Likewise.
3382 2016-07-29 Georg-Johann Lay <avr@gjlay.de>
3384 * config/avr/avr.md (addqi3) [cc]: Revert glitch in insn attribute
3385 introduced in r238381.
3387 2016-07-29 Kugan Vivekanandarajah <kuganv@linaro.org>
3390 * tree-vrp.c (extract_range_from_binary_expr_1): In case of signed
3391 & sign-bit-CST, generate [-INF, 0] instead of [-INF, INF].
3393 2016-07-28 Michael Meissner <meissner@linux.vnet.ibm.com>
3395 * config/rs6000/rs6000-protos.h (rs6000_split_vec_extract_var):
3397 * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
3398 Add support for vec_extract of vector double or vector long having
3399 a variable element number on 64-bit ISA 2.07 systems or newer.
3400 * config/rs6000/rs6000.c (rs6000_expand_vector_extract):
3402 (rs6000_split_vec_extract_var): New function to split a
3403 vec_extract built-in function with variable element number.
3404 (rtx_is_swappable_p): Variable vec_extracts and shifts are not
3406 * config/rs6000/vsx.md (UNSPEC_VSX_VSLO): New unspec.
3407 (UNSPEC_VSX_EXTRACT): Likewise.
3408 (vsx_extract_<mode>, VSX_D iterator): Fix constraints to allow
3409 direct move instructions to be generated on 64-bit ISA 2.07
3410 systems and newer, and to take advantage of the ISA 3.0 MFVSRLD
3412 (vsx_vslo_<mode>): New insn to do VSLO on V2DFmode and V2DImode
3413 arguments for vec_extract variable element.
3414 (vsx_extract_<mode>_var, VSX_D iterator): New insn to support
3415 vec_extract with variable element on V2DFmode and V2DImode
3417 * config/rs6000/rs6000.h (TARGET_VEXTRACTUB): Remove
3418 -mupper-regs-df requirement, since it isn't needed.
3419 (TARGET_DIRECT_MOVE_64BIT): New macro to say whether we can
3420 do direct moves on 64-bit systems, which allows optimization of
3421 vec_extract on 64-bit ISA 2.07 systems and newer.
3423 2016-07-28 Kristina Martsenko <kristina.martsenko@arm.com>
3424 2016-07-28 Wilco Dijkstra <wdijkstr@arm.com>
3426 * config/aarch64/aarch64.md
3427 (zero_extend<SHORT:mode><GPI:mode>2_aarch64): Change output
3429 (<optab>qihi2_aarch64): Likewise, and split into two.
3430 (extendqihi2_aarch64): New.
3431 (zero_extendqihi2_aarch64): New.
3432 * config/aarch64/iterators.md (ldrxt): Remove.
3433 * config/aarch64/aarch64.c (aarch64_rtx_costs): Change cost of
3436 2016-07-28 Kristina Martsenko <kristina.martsenko@arm.com>
3438 * config/aarch64/aarch64.c (aarch64_rtx_costs): Fix cost of zero extend.
3440 2016-07-28 Wilco Dijkstra <wdijkstr@arm.com>
3442 * config/aarch64/aarch64.c (aarch64_pushwb_pair_reg): Rename.
3443 (aarch64_push_reg): New function to push 1 or 2 registers.
3444 (aarch64_pop_reg): New function to pop 1 or 2 registers.
3445 (aarch64_expand_prologue): Use aarch64_push_regs.
3446 (aarch64_expand_epilogue): Use aarch64_pop_regs.
3448 2016-07-28 Yuri Rumyantsev <ysrumyan@gmail.com>
3450 PR tree-optimization/71734
3451 * tree-ssa-loop-im.c (ref_indep_loop_p_1): Pass value of safelen
3452 attribute instead of REF_LOOP and use it.
3453 (ref_indep_loop_p_2): Use SAFELEN argument instead of REF_LOOP and
3454 set it for Loops having non-zero safelen attribute.
3455 (ref_indep_loop_p): Pass zero as initial value for safelen.
3457 2016-07-28 Ilya Enkovich <ilya.enkovich@intel.com>
3461 * tree-chkp.c (chkp_retbnd_call_by_val): Check for instrumentation
3462 call using chkp_gimple_call_builtin_p.
3463 (chkp_copy_bounds_for_assign): Likewise.
3465 2016-07-28 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
3467 * config/alpha/alpha.c (alpha_adjust_cost): Adjust.
3468 * config/arm/arm-protos.h (struct tune_params): Likewise.
3469 * config/arm/arm.c (xscale_sched_adjust_cost): Likewise.
3470 (cortex_a9_sched_adjust_cost): Likewise.
3471 (fa726te_sched_adjust_cost): Likewise.
3472 (arm_adjust_cost): Likewise.
3473 * config/bfin/bfin.c (bfin_adjust_cost): Likewise.
3474 * config/c6x/c6x.c (c6x_adjust_cost): Likewise.
3475 * config/epiphany/epiphany.c (epiphany_adjust_cost): Likewise.
3476 * config/i386/i386.c (ix86_adjust_cost): Likewise.
3477 * config/ia64/ia64.c: Likewise.
3478 * config/m68k/m68k.c: Likewise.
3479 * config/mep/mep.c (mep_adjust_cost): Likewise.
3480 * config/microblaze/microblaze.c (microblaze_adjust_cost):
3482 * config/mips/mips.c (mips_adjust_cost): Likewise.
3483 * config/mn10300/mn10300.c (mn10300_adjust_sched_cost):
3485 * config/pa/pa.c (pa_adjust_cost): Likewise.
3486 * config/rs6000/rs6000.c (rs6000_adjust_cost): Likewise.
3487 (rs6000_debug_adjust_cost): Likewise.
3488 * config/sh/sh.c (sh_adjust_cost): Likewise.
3489 * config/sparc/sparc.c (supersparc_adjust_cost): Likewise.
3490 (hypersparc_adjust_cost): Likewise.
3491 (sparc_adjust_cost): Likewise.
3492 * config/spu/spu.c (spu_sched_adjust_cost): Likewise.
3493 * config/tilegx/tilegx.c (tilegx_sched_adjust_cost): Likewise.
3494 * config/tilepro/tilepro.c (tilepro_sched_adjust_cost):
3496 * config/visium/visium.c (visium_adjust_cost): Likewise.
3497 * doc/tm.texi: Regenerate.
3498 * haifa-sched.c (dep_cost_1): Adjust.
3499 * target.def: Merge adjust_cost and adjust_cost_2.
3501 2016-07-28 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
3503 * haifa-sched.c (add_to_speculative_block): Make twins a vector.
3505 2016-07-28 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
3507 * store-motion.c (struct st_expr): Make pattern_regs a vector.
3508 (extract_mentioned_regs): Append to a vector instead of
3509 returning a rtx_expr_list.
3510 (st_expr_entry): Adjust.
3511 (free_st_expr_entry): Likewise.
3512 (store_ops_ok): Likewise.
3513 (store_killed_in_insn): Likewise.
3514 (find_moveable_store): Likewise.
3516 2016-07-28 Martin Liska <mliska@suse.cz>
3518 PR gcov-profile/68025
3519 * tree-profile.c (tree_profiling): Respect
3520 no_profile_instrument_function attribute.
3521 * doc/extend.texi: Document no_profile_instrument_function
3524 2016-07-28 Martin Liska <mliska@suse.cz>
3526 PR rtl-optimization/70944
3527 * combine.c (make_compound_operation):
3528 Do not allow make_compound_operation for vector mode
3530 2016-07-28 Kugan Vivekanandarajah <kuganv@linaro.org>
3533 * tree-ssa-reassoc.c (maybe_optimize_range_tests): Check tcc_comparison
3534 before calling get_ops.
3536 2016-07-27 Bernd Edlinger <bernd.edlinger@hotmail.de>
3538 * defaults.h (LOG2_BITS_PER_UNIT): Move from here...
3539 * tree.h (LOG2_BITS_PER_UNIT): ...to here.
3540 (BITS_PER_UNIT_LOG): Remove.
3541 (int_bit_position): Use LOG2_BITS_PER_UNIT instead of BITS_PER_UNIT_LOG.
3542 * expr.c (expand_assignment): Likewise.
3543 * stor-layout.c (initialize_sizetypes): Likewise.
3545 2016-07-27 Michael Meissner <meissner@linux.vnet.ibm.com>
3547 * config/rs6000/vector.md (vec_extract<mode>): Change the calling
3548 signature of rs6000_expand_vector_extract so that the element
3549 number is a RTX instead of a constant integer.
3550 * config/rs6000/rs6000-protos.h (rs6000_expand_vector_extract):
3552 * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Likewise.
3553 (altivec_expand_vec_ext_builtin): Likewise.
3554 * config/rs6000/altivec.md (reduc_plus_scal_<mode>): Likewise.
3555 * config/rs6000/vsx.md (vsx_extract_<mode>): Fix spelling of the
3556 MFVSRLD instruction.
3558 2016-07-27 David Malcolm <dmalcolm@redhat.com>
3560 * input.c (get_pure_location): Move here from tree.c.
3561 (make_location): Likewise. Add header comment.
3562 (selftest::test_accessing_ordinary_linemaps): Verify
3563 pure_location_p, make_location, get_location_from_adhoc_loc and
3565 * input.h (get_pure_location): Move declaration here from tree.h.
3566 (get_finish): Likewise for inline function.
3567 (make_location): Likewise for declaration.
3568 * tree.c (get_pure_location): Move to input.c.
3569 (make_location): Likewise.
3570 * tree.h (get_pure_location): Move declaration to tree.h.
3571 (get_finish): Likewise for inline function.
3572 (make_location): Likewise for declaration.
3574 2016-07-27 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
3577 * match.pd (x / abs(x) -> copysign(1.0, x)): New pattern.
3579 2016-07-27 David Malcolm <dmalcolm@redhat.com>
3581 * system.h (STATIC_ASSERT): Use static_assert if building
3584 2016-07-27 Richard Biener <rguenther@suse.de>
3586 PR tree-optimization/72517
3587 * tree-vect-data-refs.c (vect_analyze_data_ref_dependences):
3588 Revert change to not compute read-read dependences.
3590 2016-07-27 Richard Biener <rguenther@suse.de>
3592 * predict.c (set_even_probabilities): Make nedges unsigned.
3594 2016-07-27 Martin Liska <mliska@suse.cz>
3596 * predict.c (set_even_probabilities): Handle unlikely edges.
3597 (combine_predictions_for_bb): Likewise.
3599 2016-07-26 Michael Meissner <meissner@linux.vnet.ibm.com>
3602 * config/rs6000/rs6000.c (rs6000_generate_compare): Rework
3603 __float128 support when we don't have hardware support, so that
3604 the IEEE built-in functions like isgreater, first call __unordkf3
3605 to make sure neither operand is a NaN, and if both operands are
3606 ordered, do the normal comparison.
3608 2016-07-26 Patrick Palka <ppalka@gcc.gnu.org>
3610 * tree-vrp.c (dump_asserts_for): Print loc->expr instead of
3612 (extract_code_and_val_from_cond_with_ops): Verify that name is
3613 either cond_op0 or cond_op1.
3615 2016-07-26 Patrick Palka <ppalka@gcc.gnu.org>
3617 PR tree-optimization/18046
3618 * genmodes.c (emit_mode_size_inline): Emit an assert that
3619 verifies that mode is a valid array index.
3620 (emit_mode_nuinits_inline): Likewise.
3621 (emit_mode_inner_inline): Likewise.
3622 (emit_mode_unit_size_inline): Likewise.
3623 (emit_mode_unit_precision_inline): Likewise.
3624 * tree-vrp.c: Include params.h.
3625 (find_switch_asserts): Register edge assertions for the default
3626 label which correspond to the anti-ranges of each case label.
3627 * params.def (PARAM_MAX_VRP_SWITCH_ASSERTIONS): New.
3628 * doc/invoke.texi: Document it.
3630 2016-07-26 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
3632 * gimple-ssa-strength-reduction.c (slsr_process_phi): Remove dead
3633 and unnecessary call to gimple_bb.
3635 2016-07-26 Richard Biener <rguenther@suse.de>
3637 PR rtl-optimization/71984
3638 * simplify-rtx.c (simplify_subreg): Use GET_MODE_SIZE and prepare
3641 2016-07-26 Richard Biener <rguenther@suse.de>
3644 * expmed.c (extract_bit_field_1): Constrain the vector mode
3645 with element size matching the extraction mode size when
3646 choosing a better vector mode to do the extraction from.
3648 2016-07-26 Richard Biener <rguenther@suse.de>
3649 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
3652 * match.pd ((intptr)x eq/ne CST to x eq/ne (typeof x) CST): New
3655 2016-07-26 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
3657 * tree-ssa-structalias.c (struct scc_info): Change types of
3658 members to auto_sbitmap and auto_vec.
3659 (scc_info::scc_info): New constructor.
3660 (scc_info::~scc_info): New destructor.
3661 (init_scc_info): Remove.
3662 (free_scc_info): Remove.
3663 (find_indirect_cycles): Adjust.
3664 (perform_var_substitution): Likewise.
3665 (free_var_substitution_info): Likewise.
3667 2016-07-26 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
3669 * tree-outof-ssa.c (struct elim_graph): Change type of members
3670 to auto_vec and auto_sbitmap.
3671 (elim_graph::elim_graph): New constructor.
3672 (delete_elim_graph): Remove.
3673 (expand_phi_nodes): Adjust.
3675 2016-07-26 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
3677 * tree-outof-ssa.c (struct elim_graph): Remove typedef.
3678 (new_elim_graph): Adjust.
3679 (clear_elim_graph): Likewise.
3680 (delete_elim_graph): Likewise.
3681 (elim_graph_size): Likewise.
3682 (elim_graph_add_node): Likewise.
3683 (elim_graph_add_edge): Likewise.
3684 (elim_graph_remove_succ_edge): Likewise.
3685 (eliminate_name): Likewise.
3686 (eliminate_build): Likewise.
3687 (elim_forward): Likewise.
3688 (elim_unvisited_predecessor): Likewise.
3689 (elim_backward): Likewise.
3690 (elim_create): Likewise.
3691 (eliminate_phi): Likewise.
3692 (expand_phi_nodes): Likewise.
3694 2016-07-26 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
3696 * bt-load.c (compute_out): Use auto_sbitmap class.
3697 (link_btr_uses): Likewise.
3698 * cfganal.c (mark_dfs_back_edges): Likewise.
3699 (post_order_compute): Likewise.
3700 (inverted_post_order_compute): Likewise.
3701 (pre_and_rev_post_order_compute_fn): Likewise.
3702 (single_pred_before_succ_order): Likewise.
3703 * cfgexpand.c (pass_expand::execute): Likewise.
3704 * cfgloop.c (verify_loop_structure): Likewise.
3705 * cfgloopmanip.c (fix_bb_placements): Likewise.
3706 (remove_path): Likewise.
3707 (update_dominators_in_loop): Likewise.
3708 * cfgrtl.c (break_superblocks): Likewise.
3709 * ddg.c (check_sccs): Likewise.
3710 (create_ddg_all_sccs): Likewise.
3711 * df-core.c (df_worklist_dataflow): Likewise.
3712 * dse.c (dse_step3): Likewise.
3713 * except.c (eh_region_outermost): Likewise.
3714 * function.c (thread_prologue_and_epilogue_insns): Likewise.
3715 * gcse.c (prune_expressions): Likewise.
3716 (prune_insertions_deletions): Likewise.
3717 * gimple-ssa-backprop.c (backprop::~backprop): Likewise.
3718 * graph.c (draw_cfg_nodes_no_loops): Likewise.
3719 * ira-lives.c (remove_some_program_points_and_update_live_ranges): Likewise.
3720 * lcm.c (compute_earliest): Likewise.
3721 (compute_farthest): Likewise.
3722 * loop-unroll.c (unroll_loop_constant_iterations): Likewise.
3723 (unroll_loop_runtime_iterations): Likewise.
3724 (unroll_loop_stupid): Likewise.
3725 * lower-subreg.c (decompose_multiword_subregs): Likewise.
3726 * lra-lives.c: Likewise.
3727 * lra.c (lra): Likewise.
3728 * modulo-sched.c (schedule_reg_moves): Likewise.
3729 (optimize_sc): Likewise.
3730 (get_sched_window): Likewise.
3731 (sms_schedule_by_order): Likewise.
3732 (check_nodes_order): Likewise.
3733 (order_nodes_of_sccs): Likewise.
3734 (order_nodes_in_scc): Likewise.
3735 * recog.c (split_all_insns): Likewise.
3736 * regcprop.c (pass_cprop_hardreg::execute): Likewise.
3737 * reload1.c (reload): Likewise.
3738 * sched-rgn.c (haifa_find_rgns): Likewise.
3739 (split_edges): Likewise.
3740 (compute_trg_info): Likewise.
3741 * sel-sched.c (init_seqno): Likewise.
3742 * store-motion.c (remove_reachable_equiv_notes): Likewise.
3743 * tree-into-ssa.c (update_ssa): Likewise.
3744 * tree-ssa-live.c (live_worklist): Likewise.
3745 * tree-ssa-loop-im.c (fill_always_executed_in): Likewise.
3746 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
3748 (try_peel_loop): Likewise.
3749 * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop):
3751 * tree-ssa-pre.c (compute_antic): Likewise.
3752 * tree-ssa-reassoc.c (undistribute_ops_list): Likewise.
3753 * tree-stdarg.c (reachable_at_most_once): Likewise.
3754 * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Likewise.
3755 * var-tracking.c (vt_find_locations): Likewise.
3757 2016-07-26 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
3759 * sbitmap.h (auto_sbitmap): New class.
3761 2016-07-26 Alan Modra <amodra@gmail.com>
3764 * config/rs6000/rs6000.c (rs6000_secondary_reload): Initialize
3767 2016-07-25 David Malcolm <dmalcolm@redhat.com>
3769 * input.c (selftest::temp_source_file::temp_source_file): Fix
3770 missing "%s" in fprintf.
3772 2016-07-25 John David Anglin <danglin@gcc.gnu.org>
3775 * cselib.c (cselib_process_insn): Invalidate argument slots for
3778 2016-07-25 Jiong Wang <jiong.wang@arm.com>
3780 * config/aarch64/arm_neon.h (vfmah_lane_f16, vfmah_laneq_f16,
3781 vfmsh_lane_f16, vfmsh_laneq_f16, vmulh_lane_f16, vmulh_laneq_f16,
3782 vmulxh_lane_f16, vmulxh_laneq_f16): New.
3784 2016-07-25 Jiong Wang <jiong.wang@arm.com>
3786 * config/aarch64/aarch64-simd-builtins.def: Register new builtins.
3787 * config/aarch64/aarch64.md (fma, fnma): Support HF.
3788 * config/aarch64/arm_fp16.h (vfmah_f16, vfmsh_f16): New.
3790 2016-07-25 Jiong Wang <jiong.wang@arm.com>
3792 * config/aarch64/aarch64-simd-builtins.def: Register new builtins.
3793 * config/aarch64/aarch64.md (<FCVT_F2FIXED:fcvt_fixed_insn>hf<mode>3):
3795 (<FCVT_FIXED2F:fcvt_fixed_insn><mode>hf3): Likewise.
3796 (add<mode>3): Likewise.
3797 (sub<mode>3): Likewise.
3798 (mul<mode>3): Likewise.
3799 (div<mode>3): Likewise.
3800 (*div<mode>3): Likewise.
3801 (<fmaxmin><mode>3): Extend to HF.
3802 * config/aarch64/aarch64-simd.md (aarch64_rsqrts<mode>): Likewise.
3803 (fabd<mode>3): Likewise.
3804 (<FCVT_F2FIXED:fcvt_fixed_insn><VHSDF_HSDF:mode>3): Likewise.
3805 (<FCVT_FIXED2F:fcvt_fixed_insn><VHSDI_HSDI:mode>3): Likewise.
3806 (aarch64_fmulx<mode>): Likewise.
3807 (aarch64_fac<optab><mode>): Likewise.
3808 (aarch64_frecps<mode>): Likewise.
3809 (<FCVT_F2FIXED:fcvt_fixed_insn>hfhi3): New.
3810 (<FCVT_FIXED2F:fcvt_fixed_insn>hihf3): Likewise.
3811 * config/aarch64/iterators.md (VHSDF_SDF): Delete.
3812 (VSDQ_HSDI): Support HI.
3813 (fcvt_target, FCVT_TARGET): Likewise.
3814 * config/aarch64/arm_fp16.h (vaddh_f16, vsubh_f16, vabdh_f16,
3815 vcageh_f16, vcagth_f16, vcaleh_f16, vcalth_f16, vceqh_f16, vcgeh_f16,
3816 vcgth_f16, vcleh_f16, vclth_f16, vcvth_n_f16_s16, vcvth_n_f16_s32,
3817 vcvth_n_f16_s64, vcvth_n_f16_u16, vcvth_n_f16_u32, vcvth_n_f16_u64,
3818 vcvth_n_s16_f16, vcvth_n_s32_f16, vcvth_n_s64_f16, vcvth_n_u16_f16,
3819 vcvth_n_u32_f16, vcvth_n_u64_f16, vdivh_f16, vmaxh_f16, vmaxnmh_f16,
3820 vminh_f16, vminnmh_f16, vmulh_f16, vmulxh_f16, vrecpsh_f16,
3823 2016-07-25 Jiong Wang <jiong.wang@arm.com>
3825 * config.gcc (aarch64*-*-*): Install arm_fp16.h.
3826 * config/aarch64/aarch64-builtins.c (hi_UP): New.
3827 * config/aarch64/aarch64-simd-builtins.def: Register new builtins.
3828 * config/aarch64/aarch64-simd.md (aarch64_frsqrte<mode>): Extend to HF
3830 (aarch64_frecp<FRECP:frecp_suffix><mode>): Likewise.
3831 (aarch64_cm<optab><mode>): Likewise.
3832 * config/aarch64/aarch64.md (<frint_pattern><mode>2): Likewise.
3833 (l<fcvt_pattern><su_optab><GPF:mode><GPI:mode>2): Likewise.
3834 (fix_trunc<GPF:mode><GPI:mode>2): Likewise.
3835 (sqrt<mode>2): Likewise.
3836 (*sqrt<mode>2): Likewise.
3837 (abs<mode>2): Likewise.
3838 (<optab><mode>hf2): New pattern for HF mode.
3839 (<optab>hihf2): Likewise.
3840 * config/aarch64/arm_neon.h: Include arm_fp16.h.
3841 * config/aarch64/iterators.md (GPF_F16, GPI_F16, VHSDF_HSDF): New.
3842 (w1, w2, v, s, q, Vmtype, V_cmp_result, fcvt_iesize, FCVT_IESIZE):
3844 * config/aarch64/arm_fp16.h: New file.
3845 (vabsh_f16, vceqzh_f16, vcgezh_f16, vcgtzh_f16, vclezh_f16, vcltzh_f16,
3846 vcvth_f16_s16, vcvth_f16_s32, vcvth_f16_s64, vcvth_f16_u16,
3847 vcvth_f16_u32, vcvth_f16_u64, vcvth_s16_f16, vcvth_s32_f16,
3848 vcvth_s64_f16, vcvth_u16_f16, vcvth_u32_f16, vcvth_u64_f16,
3849 vcvtah_s16_f16, vcvtah_s32_f16, vcvtah_s64_f16, vcvtah_u16_f16,
3850 vcvtah_u32_f16, vcvtah_u64_f16, vcvtmh_s16_f16, vcvtmh_s32_f16,
3851 vcvtmh_s64_f16, vcvtmh_u16_f16, vcvtmh_u32_f16, vcvtmh_u64_f16,
3852 vcvtnh_s16_f16, vcvtnh_s32_f16, vcvtnh_s64_f16, vcvtnh_u16_f16,
3853 vcvtnh_u32_f16, vcvtnh_u64_f16, vcvtph_s16_f16, vcvtph_s32_f16,
3854 vcvtph_s64_f16, vcvtph_u16_f16, vcvtph_u32_f16, vcvtph_u64_f16,
3855 vnegh_f16, vrecpeh_f16, vrecpxh_f16, vrndh_f16, vrndah_f16, vrndih_f16,
3856 vrndmh_f16, vrndnh_f16, vrndph_f16, vrndxh_f16, vrsqrteh_f16,
3859 2016-07-25 Jiong Wang <jiong.wang@arm.com>
3861 * config/aarch64/aarch64-simd-builtins.def (reduc_smax_scal_,
3862 reduc_smin_scal_): Use VDQIF_F16.
3863 (reduc_smax_nan_scal_, reduc_smin_nan_scal_): Use VHSDF.
3864 * config/aarch64/aarch64-simd.md (reduc_<maxmin_uns>_scal_<mode>):
3866 (aarch64_reduc_<maxmin_uns>_internal<mode>): Likewise.
3867 * config/aarch64/iterators.md (VDQIF_F16): New.
3868 (vp): Support HF modes.
3869 * config/aarch64/arm_neon.h (vmaxv_f16, vmaxvq_f16, vminv_f16,
3870 vminvq_f16, vmaxnmv_f16, vmaxnmvq_f16, vminnmv_f16, vminnmvq_f16): New.
3872 2016-07-25 Jiong Wang <jiong.wang@arm.com>
3874 * config/aarch64/aarch64-simd.md (*aarch64_mulx_elt_to_64v2df): Rename to
3875 "*aarch64_mulx_elt_from_dup<mode>".
3876 (*aarch64_mul3_elt<mode>): Update schedule type.
3877 (*aarch64_mul3_elt_from_dup<mode>): Likewise.
3878 (*aarch64_fma4_elt_from_dup<mode>): Likewise.
3879 (*aarch64_fnma4_elt_from_dup<mode>): Likewise.
3880 * config/aarch64/iterators.md (VMUL): Supprt half precision float modes.
3881 (f, fp): Support HF modes.
3882 * config/aarch64/arm_neon.h (vfma_lane_f16, vfmaq_lane_f16,
3883 vfma_laneq_f16, vfmaq_laneq_f16, vfma_n_f16, vfmaq_n_f16, vfms_lane_f16,
3884 vfmsq_lane_f16, vfms_laneq_f16, vfmsq_laneq_f16, vfms_n_f16,
3885 vfmsq_n_f16, vmul_lane_f16, vmulq_lane_f16, vmul_laneq_f16,
3886 vmulq_laneq_f16, vmul_n_f16, vmulq_n_f16, vmulx_lane_f16,
3887 vmulxq_lane_f16, vmulx_laneq_f16, vmulxq_laneq_f16): New.
3889 2016-07-25 Jiong Wang <jiong.wang@arm.com>
3891 * config/aarch64/aarch64-simd-builtins.def: Register new builtins.
3892 * config/aarch64/aarch64-simd.md (fma<mode>4, fnma<mode>4): Extend to HF
3894 * config/aarch64/arm_neon.h (vfma_f16, vfmaq_f16, vfms_f16,
3897 2016-07-25 Jiong Wang <jiong.wang@arm.com>
3899 * config/aarch64/aarch64-simd-builtins.def: Register new builtins.
3900 * config/aarch64/aarch64-simd.md
3901 (aarch64_rsqrts<mode>): Extend to HF modes.
3902 (fabd<mode>3): Likewise.
3903 (<FCVT_F2FIXED:fcvt_fixed_insn><VHSDF_SDF:mode>3): Likewise.
3904 (<FCVT_FIXED2F:fcvt_fixed_insn><VHSDI_SDI:mode>3): Likewise.
3905 (aarch64_<maxmin_uns>p<mode>): Likewise.
3906 (<su><maxmin><mode>3): Likewise.
3907 (<maxmin_uns><mode>3): Likewise.
3908 (<fmaxmin><mode>3): Likewise.
3909 (aarch64_faddp<mode>): Likewise.
3910 (aarch64_fmulx<mode>): Likewise.
3911 (aarch64_frecps<mode>): Likewise.
3912 (*aarch64_fac<optab><mode>): Rename to aarch64_fac<optab><mode>.
3913 (add<mode>3): Extend to HF modes.
3914 (sub<mode>3): Likewise.
3915 (mul<mode>3): Likewise.
3916 (div<mode>3): Likewise.
3917 (*div<mode>3): Likewise.
3918 * config/aarch64/aarch64.c (aarch64_emit_approx_div): Return false for
3920 * config/aarch64/iterators.md (VDQ_HSDI, VSDQ_HSDI): New mode iterator.
3921 * config/aarch64/arm_neon.h (vadd_f16, vaddq_f16, vabd_f16, vabdq_f16,
3922 vcage_f16, vcageq_f16, vcagt_f16, vcagtq_f16, vcale_f16, vcaleq_f16,
3923 vcalt_f16, vcaltq_f16, vceq_f16, vceqq_f16, vcge_f16, vcgeq_f16,
3924 vcgt_f16, vcgtq_f16, vcle_f16, vcleq_f16, vclt_f16, vcltq_f16,
3925 vcvt_n_f16_s16, vcvtq_n_f16_s16, vcvt_n_f16_u16, vcvtq_n_f16_u16,
3926 vcvt_n_s16_f16, vcvtq_n_s16_f16, vcvt_n_u16_f16, vcvtq_n_u16_f16,
3927 vdiv_f16, vdivq_f16, vdup_lane_f16, vdup_laneq_f16, vdupq_lane_f16,
3928 vdupq_laneq_f16, vdups_lane_f16, vdups_laneq_f16, vmax_f16, vmaxq_f16,
3929 vmaxnm_f16, vmaxnmq_f16, vmin_f16, vminq_f16, vminnm_f16, vminnmq_f16,
3930 vmul_f16, vmulq_f16, vmulx_f16, vmulxq_f16, vpadd_f16, vpaddq_f16,
3931 vpmax_f16, vpmaxq_f16, vpmaxnm_f16, vpmaxnmq_f16, vpmin_f16, vpminq_f16,
3932 vpminnm_f16, vpminnmq_f16, vrecps_f16, vrecpsq_f16, vrsqrts_f16,
3933 vrsqrtsq_f16, vsub_f16, vsubq_f16): New.
3935 2016-07-25 Jiong Wang <jiong.wang@arm.com>
3937 * config/aarch64/aarch64-builtins.c (TYPES_BINOP_USS): New.
3938 * config/aarch64/aarch64-simd-builtins.def: Register new builtins.
3939 * config/aarch64/aarch64-simd.md (aarch64_rsqrte<mode>): Extend to HF modes.
3940 (neg<mode>2): Likewise.
3941 (abs<mode>2): Likewise.
3942 (<frint_pattern><mode>2): Likewise.
3943 (l<fcvt_pattern><su_optab><VDQF:mode><fcvt_target>2): Likewise.
3944 (<optab><VDQF:mode><fcvt_target>2): Likewise.
3945 (<fix_trunc_optab><VDQF:mode><fcvt_target>2): Likewise.
3946 (ftrunc<VDQF:mode>2): Likewise.
3947 (<optab><fcvt_target><VDQF:mode>2): Likewise.
3948 (sqrt<mode>2): Likewise.
3949 (*sqrt<mode>2): Likewise.
3950 (aarch64_frecpe<mode>): Likewise.
3951 (aarch64_cm<optab><mode>): Likewise.
3952 * config/aarch64/aarch64.c (aarch64_emit_approx_sqrt): Return false for
3954 * config/aarch64/iterators.md (VHSDF, VHSDF_DF, VHSDF_SDF): New.
3955 (VDQF_COND, fcvt_target, FCVT_TARGET, hcon): Extend mode attribute to HF modes.
3957 * config/aarch64/arm_neon.h (vdup_n_f16): New.
3958 (vdupq_n_f16): Likewise.
3959 (vld1_dup_f16): Use vdup_n_f16.
3960 (vld1q_dup_f16): Use vdupq_n_f16.
3961 (vabs_f16, vabsq_f16, vceqz_f16, vceqzq_f16, vcgez_f16, vcgezq_f16,
3962 vcgtz_f16, vcgtzq_f16, vclez_f16, vclezq_f16, vcltz_f16, vcltzq_f16,
3963 vcvt_f16_s16, vcvtq_f16_s16, vcvt_f16_u16, vcvtq_f16_u16, vcvt_s16_f16,
3964 vcvtq_s16_f16, vcvt_u16_f16, vcvtq_u16_f16, vcvta_s16_f16,
3965 vcvtaq_s16_f16, vcvta_u16_f16, vcvtaq_u16_f16, vcvtm_s16_f16,
3966 vcvtmq_s16_f16, vcvtm_u16_f16, vcvtmq_u16_f16, vcvtn_s16_f16,
3967 vcvtnq_s16_f16, vcvtn_u16_f16, vcvtnq_u16_f16, vcvtp_s16_f16,
3968 vcvtpq_s16_f16, vcvtp_u16_f16, vcvtpq_u16_f16, vneg_f16, vnegq_f16,
3969 vrecpe_f16, vrecpeq_f16, vrnd_f16, vrndq_f16, vrnda_f16, vrndaq_f16,
3970 vrndi_f16, vrndiq_f16, vrndm_f16, vrndmq_f16, vrndn_f16, vrndnq_f16,
3971 vrndp_f16, vrndpq_f16, vrndx_f16, vrndxq_f16, vrsqrte_f16, vrsqrteq_f16,
3972 vsqrt_f16, vsqrtq_f16): New.
3974 2016-07-25 Jiong Wang <jiong.wang@arm.com>
3976 * config/aarch64/aarch64-simd.md
3977 (aarch64_<PERMUTE:perm_insn><PERMUTE:perm_hilo><mode>): Use VALL_F16.
3978 (aarch64_ext<mode>): Likewise.
3979 (aarch64_rev<REVERSE:rev_op><mode>): Likewise.
3980 * config/aarch64/aarch64.c (aarch64_evpc_trn, aarch64_evpc_uzp,
3981 aarch64_evpc_zip, aarch64_evpc_ext, aarch64_evpc_rev): Support V4HFmode
3983 * config/aarch64/arm_neon.h (__INTERLEAVE_LIST): Support float16x4_t,
3985 (__aarch64_vdup_lane_f16, __aarch64_vdup_laneq_f16,
3986 __aarch64_vdupq_lane_f16, __aarch64_vdupq_laneq_f16, vbsl_f16,
3987 vbslq_f16, vdup_n_f16, vdupq_n_f16, vdup_lane_f16, vdup_laneq_f16,
3988 vdupq_lane_f16, vdupq_laneq_f16, vduph_lane_f16, vduph_laneq_f16,
3989 vext_f16, vextq_f16, vmov_n_f16, vmovq_n_f16, vrev64_f16, vrev64q_f16,
3990 vtrn1_f16, vtrn1q_f16, vtrn2_f16, vtrn2q_f16, vtrn_f16, vtrnq_f16,
3991 vuzp1_f16, vuzp1q_f16, vuzp2_f16, vuzp2q_f16, vzip1_f16, vzip2q_f16):
3993 (vmov_n_f16): Reimplement using vdup_n_f16.
3994 (vmovq_n_f16): Reimplement using vdupq_n_f16..
3996 2016-07-25 Jiong Wang <jiong.wang@arm.com>
3998 * config/aarch64/aarch64.c (aarch64_add_constant): New parameter
3999 "frame_related_p". Generate CFA annotation when it's necessary.
4000 (aarch64_expand_prologue): Use aarch64_add_constant.
4001 (aarch64_expand_epilogue): Likewise.
4002 (aarch64_output_mi_thunk): Pass "false" when calling
4003 aarch64_add_constant.
4005 2016-07-25 Jiong Wang <jiong.wang@arm.com>
4007 * config/aarch64/aarch64.c (aarch64_add_constant): Optimize instruction
4010 2016-07-25 Jiong Wang <jiong.wang@arm.com>
4012 * config/aarch64/aarch64.c (aarch64_add_constant): New parameter "mode".
4013 Use aarch64_internal_mov_immediate instead of aarch64_build_constant.
4014 (aarch64_output_mi_thunk): Pass Pmode when calling aarch64_add_constant.
4015 (aarch64_build_constant): Delete.
4017 2016-07-25 Alexander Monakov <amonakov@ispras.ru>
4020 2016-07-20 Alexander Monakov <amonakov@ispras.ru>
4022 * config/nvptx/nvptx.c (nvptx_option_override): Do not set
4023 flag_toplevel_reorder.
4025 2016-07-25 Richard Biener <rguenther@suse.de>
4027 * cgraph.c (cgraph_node::verify_node): Compare against builtin
4028 by using DECL_BUILT_IN_CLASS and DECL_FUNCTION_CODE.
4029 * tree-chkp.c (chkp_gimple_call_builtin_p): Likewise.
4030 * tree-streamer.h (streamer_handle_as_builtin_p): Remove.
4031 (streamer_get_builtin_tree): Likewise.
4032 (streamer_write_builtin): Likewise.
4033 * lto-streamer.h (LTO_builtin_decl): Remove.
4034 * lto-streamer-in.c (lto_read_tree_1): Remove assert.
4035 (lto_input_scc): Remove LTO_builtin_decl handling.
4036 (lto_input_tree_1): Liekwise.
4037 * lto-streamer-out.c (lto_output_tree_1): Remove special
4038 handling of builtins.
4039 (DFS::DFS): Likewise.
4040 * tree-streamer-in.c (streamer_get_builtin_tree): Remove.
4041 * tree-streamer-out.c (pack_ts_function_decl_value_fields): Remove
4043 (streamer_write_builtin): Remove.
4045 2016-07-25 Martin Liska <mliska@suse.cz>
4047 * lto-cgraph.c (input_symtab): Don't call get_working_sets
4048 if flag_auto_profile is set to true.
4050 2016-07-25 Martin Liska <mliska@suse.cz>
4052 PR gcov-profile/71868
4053 * cfgloopanal.c (expected_loop_iterations_unbounded): When we
4054 have a function with multiple latches, count them all.
4056 2016-07-25 Martin Liska <mliska@suse.cz>
4058 * tree-ssa-loop-niter.c (loop_only_exit_p): Release body array.
4060 2016-07-25 Martin Liska <mliska@suse.cz>
4062 PR tree-optimization/71987
4063 * tree-ssa-reassoc.c (maybe_optimize_range_tests): Call get_ops
4064 just for SSA_NAMEs. Fix GNU coding style.
4066 2016-07-25 Martin Liska <mliska@suse.cz>
4068 PR gcov-profile/64874
4069 * gcov-io.h: Update command about file format.
4070 * gcov-iov.c (main): Adapt the numbering scheme.
4072 2016-07-24 Kugan Vivekanandarajah <kuganv@linaro.org>
4075 * tree-ssa-reassoc.c (optimize_vec_cond_expr): Handle tcc_compare stmt
4076 whose result is used in PHI.
4077 (final_range_test_p): Likewise.
4078 (maybe_optimize_range_tests): Likewise.
4080 2016-07-22 Michael Meissner <meissner@linux.vnet.ibm.com>
4082 * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
4083 Reformat two multi-line strings.
4085 2016-07-22 Martin Sebor <msebor@redhat.com>
4087 * doc/extend.texi (Compound Literals): Add '@' missed in last commit.
4089 2016-07-22 Martin Sebor <msebor@redhat.com>
4092 * doc/extend.texi (Compound Literals): Correct and clarify.
4093 (Cast to Union): Same.
4095 2016-07-22 Kelvin Nilsen <kelvin@gcc.gnu.org>
4097 * config/rs6000/rs6000.c (rs6000_option_override_internal): Add
4098 comments to explain why certain error messages make mention of
4099 undocumented options.
4100 (rs6000_invalid_builtin): Change error messages to replace mention
4101 of undocumented options with mention of the -mcpu=power9 option
4102 that enables those undocumented options.
4103 * config/rs6000/rs6000.h (MASK_FLOAT128): New macro.
4104 (RS6000_BTM_FLOAT128): Use the new MASK_FLOAT128 macro in the
4105 definition of this macro to correct an existing error.
4106 * config/rs6000/rs6000.opt: Add the Undocumented qualifier to the
4107 mpower9-fusion, mpower9-vector, mpower9-dform, and mmodulo entries.
4108 * doc/extend.texi (PowerPC AltiVec Built-in Functions): Modify
4109 descriptions of built-in functions so that they depend on
4110 -mcpu=power9 instead of on the corresponding undocumented flags.
4111 * doc/invoke.texi (Option Summary): Remove all mention of newly
4113 (IBM RS/6000 and PowerPC Options): Likewise.
4114 * doc/md.texi (Constraints for Particuliar Machines): Remove all
4115 mention of newly undocumented flags.
4117 2016-07-22 Evgeny Stupachenko <evstupac@gmail.com>
4119 * ipa-cp.c (determine_versionability): Do not create constprop clones,
4120 when target_clones attribute is set.
4122 2016-07-22 Bin Cheng <bin.cheng@arm.com>
4124 * common.opt (funsafe-loop-optimizations): Mark ignore.
4125 * doc/invoke.texi (funsafe-loop-optimizations): Remove.
4126 * loop-iv.c (get_simple_loop_desc): Remove unsafe-loop-optimizations
4128 * tree-ssa-loop-niter.c (finite_loop_p): Ditto.
4129 * config/bfin/bfin.c (bfin_can_use_doloop_p): Ditto.
4131 2016-07-22 Bin Cheng <bin.cheng@arm.com>
4133 * tree-ssa-loop-niter.h (number_of_iterations_exit_assumptions): New
4135 * tree-ssa-loop-niter.c (number_of_iterations_exit_assumptions): New
4137 (number_of_iterations_exit): Warn missed loop optimization for
4138 possible infinite loops.
4140 2016-07-22 Segher Boessenkool <segher@kernel.crashing.org>
4143 * config/rs6000/rs6000.c (rs6000_file_start): Fix condition for
4144 when to emit a ".machine" pseudo-op.
4146 2016-07-22 Martin Liska <mliska@suse.cz>
4148 PR gcov-profile/69028
4149 PR gcov-profile/62047
4150 * coverage.c (coverage_compute_lineno_checksum): Do not
4151 calculate checksum for fns w/o xloc.file.
4152 (coverage_compute_profile_id): Likewise.
4154 2016-07-22 Georg-Johann Lay <avr@gjlay.de>
4156 * config/avr/avr.c (TARGET_SECONDARY_RELOAD): Remove hook define...
4157 (avr_secondary_reload): ...and implementation.
4158 (avr_adjust_insn_length) [ADJUST_LEN_LPM]: Remove handling.
4159 * config/avr/avr.md (reload_in<mode>): Remove insns.
4160 (adjust_len) [lpm]: Remove insn attribute value.
4161 * config/avr/predicates.md (flash_operand): Remove insn predicate.
4163 2016-07-21 Bernd Edlinger <bernd.edlinger@hotmail.de>
4166 * builtin-attrs.def (ATTR_RT_NOTHROW_LEAF_LIST): New return twice
4168 * builtins.def (BUILT_IN_SETJMP): Use ATTR_RT_NOTHROW_LEAF_LIST here.
4169 * calls.c (special_function_p): Remove the special handling of the
4170 "__builtin_" prefix.
4172 2016-07-21 Bernd Edlinger <bernd.edlinger@hotmail.de>
4175 * calls.c (gimple_maybe_alloca_call_p): New function. Return true
4176 if STMT may be an alloca call.
4177 (gimple_alloca_call_p, alloca_call_p): Return only true for the
4178 builtin alloca call.
4179 * calls.h (gimple_maybe_alloca_call_p): New function.
4180 * tree-inline.c (inline_forbidden_p_stmt): Use
4181 gimple_maybe_alloca_call_p here.
4183 2016-07-21 David Malcolm <dmalcolm@redhat.com>
4185 * spellcheck-tree.c (best_macro_match::best_macro_match):
4186 Explictly specify the template arguments when invoking the base
4187 class constructor, to help older C++ compilers.
4189 2016-07-21 Jakub Jelinek <jakub@redhat.com>
4192 * asan.c (asan_dynamic_init_call): Call asan_init_shadow_ptr_types
4193 before builtin_decl_implicit.
4195 2016-07-21 James Greenhalgh <james.greenhalgh@arm.com>
4197 * optabs.c (emit_condiitonal_move): Short circuit for identical
4200 2016-07-21 James Greenhalgh <james.greenhalgh@arm.com>
4202 * ifcvt.c (noce_if_info): New fields: speed_p, original_cost,
4203 max_seq_cost. Removed fields: then_cost, else_cost, branch_cost.
4204 (noce_conversion_profitable_p): New.
4205 (noce_try_store_flag_constants): Use it.
4206 (noce_try_addcc): Likewise.
4207 (noce_try_store_flag_mask): Likewise.
4208 (noce_try_cmove): Likewise.
4209 (noce_try_cmove_arith): Likewise.
4210 (bb_valid_for_noce_process_p): Add to the cost parameter rather than
4212 (noce_convert_multiple_sets): Move cost model to here, from...
4213 (bb_ok_for_noce_convert_multiple_sets) ...here.
4214 (noce_process_if_block): Update calls for above changes.
4215 (noce_find_if_block): Record new noce_if_info parameters.
4217 2016-07-21 James Greenhalgh <james.greenhalgh@arm.com>
4219 * target.def (max_noce_ifcvt_seq_cost): New.
4220 * doc/tm.texi.in (TARGET_MAX_NOCE_IFCVT_SEQ_COST): Document it.
4221 * doc/tm.texi: Regenerate.
4222 * targhooks.h (default_max_noce_ifcvt_seq_cost): New.
4223 * targhooks.c (default_max_noce_ifcvt_seq_cost): New.
4224 * params.def (PARAM_MAX_RTL_IF_CONVERSION_PREDICTABLE_COST): New.
4225 (PARAM_MAX_RTL_IF_CONVERSION_UNPREDICTABLE_COST): Likewise.
4226 * doc/invoke.texi: Document new params.
4228 2016-07-21 Richard Biener <rguenther@suse.de>
4230 PR tree-optimization/71947
4231 * tree-vrp.c (extract_range_from_assert): Singleton symbolic
4232 ranges have useful limit_vr information.
4234 2016-07-21 Richard Biener <rguenther@suse.de>
4236 * function-tests.c (build_trivial_generic_function): Set
4237 BLOCK_SUPERCONTEXT of DECL_INITIAL.
4238 * omp-low.c (create_omp_child_function): Likewise.
4239 (grid_expand_target_grid_body): Likewise.
4240 * cgraphunit.c (init_lowered_empty_function): Likewise.
4241 (cgraph_node::expand_thunk): Likewise.
4242 * tree-parloops.c (create_loop_fn): Likewise.
4243 * ipa.c (cgraph_build_static_cdtor_1): Likewise.
4245 2016-07-21 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
4247 * tree-ssa-strlen.c (strlen_dom_walker::before_dom_children): Fix typo
4250 2016-07-21 Georg-Johann Lay <avr@gjlay.de>
4252 * config/avr/avr.md (any_extract, any_shiftrt): New code iterators.
4253 (*insv.extract, *insv.shiftrt, *insv.not-bit.0, *insv.not-bit.7)
4254 (*insv.xor-extract, *insv.xor1-bit.0): New insns.
4255 (adjust_len) [insv_notbit, insv_notbit_0, insv_notbit_7]: New
4256 values for insn attribute.
4257 * config/avr/avr.c (avr_out_insert_notbit): New function.
4258 (avr_adjust_insn_length): Handle ADJUST_LEN_INSV_NOTBIT,
4259 ADJUST_LEN_INSV_NOTBIT_0/_7.
4260 * config/avr/avr-protos.h (avr_out_insert_notbit): New proto.
4262 2016-07-21 Bin Cheng <bin.cheng@arm.com>
4264 * tree-chrec.c (convert_affine_scev): New parameter. Pass new arg.
4265 (chrec_convert_1, chrec_convert): Ditto.
4266 * tree-chrec.h (chrec_convert, convert_affine_scev): New parameter.
4267 * tree-scalar-evolution.c (interpret_rhs_expr): Pass new arg.
4268 * tree-vrp.c (adjust_range_with_scev): Ditto.
4269 * tree-ssa-loop-niter.c (idx_infer_loop_bounds): Ditto.
4270 (scev_var_range_cant_overflow): New function.
4271 (scev_probably_wraps_p): New parameter. Call above function.
4272 * tree-ssa-loop-niter.h (scev_probably_wraps_p): New parameter.
4274 2016-07-21 Bin Cheng <bin.cheng@arm.com>
4276 * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Clean up
4277 by removing computation of may_be_zero.
4279 2016-07-21 Jakub Jelinek <jakub@redhat.com>
4281 * tree-object-size.c (unknown): Use HOST_WIDE_INT_M1U instead of -1.
4283 2016-07-21 Andrew Sutton <andrew.n.sutton@gmail.com>
4285 Improving concepts performance and diagnostics.
4286 * timevar.def (TV_CONSTRAINT_SAT, TV_CONSTRAINT_SUB): New time vars
4287 for constraint satisfaction and subsumption.
4288 * timevar.h (auto_timevar): New constructor that matches the push/pop
4289 pattern of usage in pt.c.
4291 2016-07-20 Uros Bizjak <ubizjak@gmail.com>
4293 * hwint.h (HOST_WIDE_INT_0): New define.
4294 (HOST_WIDE_INT_0U): Ditto.
4295 * double-int.c: Use HOST_WIDE_INT_0 instead of (HOST_WIDE_INT) 0.
4296 * dse.c: Use HOST_WIDE_INT_0U instead of (unsigned HOST_WIDE_INT) 0.
4297 * simplify-rtx.c: Ditto.
4298 * tree-object-size.c: Ditto.
4300 2016-07-20 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
4302 * config/s390/s390.c (s390_encode_section_info): Remove mode size
4305 2016-07-20 Uros Bizjak <ubizjak@gmail.com>
4307 * cse.c: Use HOST_WIDE_INT_M1 instead of ~(HOST_WIDE_INT) 0.
4308 * combine.c: Use HOST_WIDE_INT_M1U instead of
4309 ~(unsigned HOST_WIDE_INT) 0.
4310 * double-int.h: Ditto.
4312 * dwarf2asm.c:Ditto.
4314 * genmodes.c: Ditto.
4316 * read-rtl.c: Ditto.
4317 * tree-ssa-loop-ivopts.c: Ditto.
4318 * tree-ssa-loop-prefetch.c: Ditto.
4319 * tree-vect-generic.c: Ditto.
4320 * tree-vect-patterns.c: Ditto.
4323 2016-07-20 Georg-Johann Lay <avr@gjlay.de>
4325 * gcc/config/avr.c (avr_legitimize_address) [AVR_TINY]: Force
4326 constant addresses outside [0,0xc0] into a register.
4327 (avr_out_movhi_r_mr_reg_no_disp_tiny): Pass insn. And handle
4328 cases where the base address register is unused after.
4329 (avr_out_movhi_r_mr_reg_disp_tiny): Same.
4330 (avr_out_movhi_mr_r_reg_disp_tiny): Same.
4331 (avr_out_store_psi_reg_disp_tiny): Same.
4333 2016-07-20 Georg-Johann Lay <avr@gjlay.de>
4335 Implement attribute progmem on reduced Tiny cores by adding
4336 flash offset 0x4000 to respective symbols.
4339 * doc/extend.texi (AVR Variable Attributes) [progmem]: Add
4340 documentation how it works on reduced Tiny cores.
4341 (AVR Named Address Spaces): No support for reduced Tiny.
4342 * config/avr/avr.c (AVR_SYMBOL_FLAG_TINY_PM): New macro.
4343 (avr_address_tiny_pm_p): New static function.
4344 (avr_print_operand_address) [AVR_TINY]: Add AVR_TINY_PM_OFFSET
4345 if the address is in progmem.
4346 (avr_assemble_integer): Same.
4347 (avr_encode_section_info) [AVR_TINY]: Set AVR_SYMBOL_FLAG_TINY_PM
4348 for symbol_ref in progmem.
4349 * config/avr/avr.h (AVR_TINY_PM_OFFSET): New macro.
4350 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use it instead of
4351 magic 0x4000 when built-in def'ing __AVR_TINY_PM_BASE_ADDRESS__.
4353 2016-07-20 Patrick Palka <ppalka@gcc.gnu.org>
4355 * configure.ac (thin_archive_support): New variable. AC_SUBST it.
4356 * configure: Regenerate.
4357 * Makefile.in (THIN_ARCHIVE_SUPPORT): New variable.
4358 (USE_THIN_ARCHIVES): New variable.
4359 (libbackend.a): If USE_THIN_ARCHIVES then pass T to ar to build
4360 this archive as a thin archive.
4362 2016-07-20 David Malcolm <dmalcolm@redhat.com>
4364 * diagnostic-show-locus.c (diagnostic_show_locus): If this is the
4365 same location as last time, don't skip if we have fix-it hints.
4366 Clarify the skipping logic by converting it from one "if" clause
4367 to repeated "if" clauses.
4368 * spellcheck-tree.c: Include "cpplib.h".
4369 (find_closest_macro_cpp_cb): Move here from c/c-decl.c.
4370 (best_macro_match::best_macro_match): New constructor.
4371 * spellcheck-tree.h (struct edit_distance_traits<cpp_hashnode *>):
4372 Move here from c/c-decl.c.
4373 (class best_macro_match): Move here from c/c-decl.c, converting
4374 from a typedef to a subclass, gaining a ctor.
4376 2016-07-20 Georg-Johann Lay <avr@gjlay.de>
4378 * config/avr/avr-protos.h (avr_addr_space_supported_p): New prototype.
4379 * config/avr/avr.c (TARGET_ADDR_SPACE_DIAGNOSE_USAGE): New hook
4381 (avr_addr_space_diagnose_usage): ...and implementation.
4382 (avr_addr_space_supported_p): New function.
4383 (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Only
4384 report bad address space usage if that space is supported.
4385 (avr_insert_attributes): Same. No more complain about unsupported
4387 * config/avr/avr-c.c (tm_p.h): Include it.
4388 (avr_cpu_cpp_builtins): Only define addr-space related built-in
4389 macro if avr_addr_space_supported_p.
4391 2016-07-20 Alexander Monakov <amonakov@ispras.ru>
4393 * config/nvptx/nvptx.c (nvptx_option_override): Do not set
4394 flag_toplevel_reorder.
4396 2016-07-20 David Malcolm <dmalcolm@redhat.com>
4398 * gcc-rich-location.c
4399 (gcc_rich_location::add_fixit_misspelled_id): New overload, taking
4401 * gcc-rich-location.h
4402 (gcc_rich_location::add_fixit_misspelled_id): Likewise.
4404 2016-07-20 Georg-Johann Lay <avr@gjlay.de>
4406 * target.def (addr_space): Add new diagnose_usage to hook vector.
4407 * targhooks.c (default_addr_space_diagnose_usage): Add default
4408 implementation and...
4409 * targhooks.h (default_addr_space_diagnose_usage): ... its prototype.
4410 * c/c-parser.c (c_lex_one_token) [CPP_NAME]: If the token
4411 is some address space, call targetm.addr_space.diagnose_usage.
4412 * doc/tm.texi.in (Named Address Spaces): Add anchor for
4413 TARGET_ADDR_SPACE_DIAGNOSE_USAGE documentation.
4414 * doc/tm.texi: Regenerate.
4416 2016-07-20 Martin Liska <mliska@suse.cz>
4419 * graphite-isl-ast-to-gimple.c (later_of_the_two):
4420 Properly handly PHI stmts.
4422 2016-07-20 Bin Cheng <bin.cheng@arm.com>
4424 PR tree-optimization/71503
4425 PR tree-optimization/71683
4426 * tree-if-conv.c (gen_phi_arg_condition): Record true predicate
4429 2016-07-20 Martin Liska <mliska@suse.cz>
4431 * doc/invoke.texi (-fipa-ra): Document when the option is
4432 disabled. Fix a typo.
4434 2016-07-20 Martin Liska <mliska@suse.cz>
4436 * Makefile.in: Include fibonacci_heap.c
4437 * fibonacci_heap.c: New file.
4438 * fibonacci_heap.h (fibonacci_heap::insert): Use insert_node.
4439 (fibonacci_heap::union_with): Fix deletion of the second heap.
4440 * selftest-run-tests.c (selftest::run_tests): Incorporate
4441 fibonacci heap tests.
4442 * selftest.h: Declare fibonacci_heap_c_tests.
4444 2016-07-20 Martin Liska <mliska@suse.cz>
4446 * selftest-run-tests.c (selftest::run_tests): New function.
4447 * selftest.h (sreal_c_tests): Declare.
4448 * sreal.c (sreal_verify_basics): New function.
4449 (verify_aritmetics): Likewise.
4450 (sreal_verify_arithmetics): Likewise.
4451 (verify_shifting): Likewise.
4452 (sreal_verify_shifting): Likewise.
4453 (void sreal_c_tests): Likewise.
4455 2016-07-19 Jakub Jelinek <jakub@redhat.com>
4457 PR rtl-optimization/71916
4458 * cfgrtl.c (contains_no_active_insn_p): Return false also for
4459 bb which have a single succ fake edge.
4461 2016-07-19 Aldy Hernandez <aldyh@redhat.com>
4464 * dwarf2out.c (gen_subprogram_die): Only call
4465 gen_unspecified_parameters_die while dumping early dwarf.
4467 2016-07-19 Jakub Jelinek <jakub@redhat.com>
4470 * gimple-fold.c (fold_builtin_memory_op): Use
4471 get_addr_base_and_unit_offset instead of get_ref_base_and_extent.
4473 2016-07-19 Uros Bizjak <ubizjak@gmail.com>
4475 * builtins.c: Use HOST_WIDE_INT_1 instead of (HOST_WIDE_INT) 1,
4476 HOST_WIDE_INT_1U instead of (unsigned HOST_WIDE_INT) 1,
4477 HOST_WIDE_INT_M1 instead of (HOST_WIDE_INT) -1 and
4478 HOST_WIDE_INT_M1U instead of (unsigned HOST_WIDE_INT) -1.
4482 * double-int.c: Ditto.
4484 * dwarf2out.c: Ditto.
4487 * fold-const.c: Ditto.
4488 * function.c: Ditto.
4490 * genmodes.c: Ditto.
4494 * loop-doloop.c: Ditto.
4495 * loop-invariant.c: Ditto.
4502 * simplify-rtx.c: Ditto.
4503 * stor-layout.c: Ditto.
4505 * tree-ssa-loop-ivopts.c: Ditto.
4506 * tree-vect-generic.c: Ditto.
4507 * tree-vect-patterns.c: Ditto.
4512 * wide-int-print.cc: Ditto.
4513 * wide-int.cc: Ditto.
4514 * wide-int.h: Ditto.
4516 2016-07-19 David Malcolm <dmalcolm@redhat.com>
4518 * selftest.c (selftest::assert_streq): Handle NULL values of
4519 val_actual and val_expected.
4521 2016-07-19 Martin Jambor <mjambor@suse.cz>
4524 * trans-decl.c (gfc_generate_function_code): Use cgraph_get_create_node
4525 rather than cgraph_create_node to get a call graph node.
4527 2016-07-19 Richard Biener <rguenther@suse.de>
4529 * gimple-fold.c (get_base_constructor): Add VIEW_CONVERT case,
4530 handle all tcc_constant bases and valueize SSA names.
4531 * tree-ssa-sccvn.c (fully_constant_vn_reference_p): Handle
4534 2016-07-19 David Malcolm <dmalcolm@redhat.com>
4536 * function-tests.c (selftest::verify_three_block_rtl_cfg): Verify
4537 the flags of the exit block and bb2, not just the entry block.
4539 2016-07-19 Richard Biener <rguenther@suse.de>
4541 PR tree-optimization/71901
4542 * tree-ssa-sccvn.h (struct vn_reference_op_struct): Add
4543 align member, group stuff with the bitfield.
4544 (vn_ref_op_align_unit): New inline.
4545 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): For ARRAY_REFs
4546 record element alignment and operand 3 unchanged.
4547 (ao_ref_init_from_vn_reference): Adjust.
4548 (valueize_refs_1): Likewise.
4549 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Likewise.
4551 2016-07-19 Richard Biener <rguenther@suse.de>
4553 PR tree-optimization/71908
4554 * tree-ssa-structalias.c (get_constraint_for_component_ref): Handle
4555 symbolic constants in a more reliable way.
4557 2016-07-19 Ilya Enkovich <ilya.enkovich@intel.com>
4559 * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer): Update
4561 (vect_update_inits_of_drs): Likewise.
4562 (vect_create_cond_for_alias_checks): Likewise.
4563 * tree-vect-loop.c (vect_get_known_peeling_cost): Likewise.
4565 2016-07-19 Richard Biener <rguenther@suse.de>
4568 * lto-streamer-out.c (DFS::DFS_write_tree_body): For blocks
4569 with an abstract origin that is not an inlined function outer
4570 scope add a self-reference as abstract origin.
4571 * tree-streamer-out.c (write_ts_block_tree_pointers): Likewise.
4573 2016-07-18 Michael Meissner <meissner@linux.vnet.ibm.com>
4576 * config/rs6000/rs6000.c (rs6000_function_value): Fix
4577 unintentional System V.4 structure return breakage for structures
4578 with a single floating point element.
4580 2016-07-18 Yuri Rumyantsev <ysrumyan@gmail.com>
4582 PR tree-optimization/71734
4583 * tree-ssa-loop-im.c (ref_indep_loop_p_1): Add REF_LOOP argument which
4584 contains REF, use it to check safelen, assume that safelen value
4585 must be greater 1, fix style.
4586 (ref_indep_loop_p_2): Add REF_LOOP argument.
4587 (ref_indep_loop_p): Pass LOOP as additional argument to
4590 2016-07-18 Dominik Vogt <vogt@linux.vnet.ibm.com>
4592 * cfgexpand.c (expand_stack_vars): Implement synamic stack space
4593 allocation in the prologue.
4594 * explow.c (get_dynamic_stack_base): New function to return an address
4595 expression for the dynamic stack base.
4596 (get_dynamic_stack_size): New function to do the required dynamic stack
4597 space size calculations.
4598 (allocate_dynamic_stack_space): Use new functions.
4599 (align_dynamic_address): Move some code from
4600 allocate_dynamic_stack_space to new function.
4601 * explow.h (get_dynamic_stack_base, get_dynamic_stack_size): Export.
4603 2016-07-18 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
4605 * config/s390/s390.c (s390_encode_section_info): Always set
4606 notaligned marker if mode size is 0 or no MEM_ALIGN info could be
4609 2016-07-18 Richard Biener <rguenther@suse.de>
4611 PR tree-optimization/71893
4612 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Compensate
4613 for sizetype cast added by array_ref_element_size.
4614 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
4616 2016-07-16 John David Anglin <danglin@gcc.gnu.org>
4618 * config/pa/pa.c (hppa_profile_hook): Allocate stack space for
4619 register parameters. Remove code to initialize argument pointer
4620 on TARGET_64BIT. Optimize call to _mcount when it can be reached
4621 using a pc-relative branch. Cleanup conditional code.
4622 * config/pa/pa.md (call_mcount): New expander.
4623 (call_mcount_nonpic): New insn.
4624 (call_mcount_pic): New insn and split.
4625 (call_mcount_pic_post_reload): New insn.
4626 (call_mcount_64bit): New insn and split.
4627 (call_mcount_64bit_post_reload): New insn.
4629 2016-07-15 Georg-Johann Lay <avr@gjlay.de>
4631 * config/avr/predicates.md (const_m255_to_m1_operand): New.
4632 * config/avr/constraints.md (Cn8, Ca1, Co1, Yx2): New constraints.
4633 * config/avr/avr.md (add<mode>3) <ALL1>: Fix set_vzn for +/-2.
4634 (*cmphi.zero-extend.0, *cmphi.zero-extend.1)
4635 (*usum_widenqihi3, *udiff_widenqihi3)
4636 (*addhi3_zero_extend.const): New combiner insns.
4637 (andqi3, iorqi3): Provide "l" (NO_LD_REGS) alternative if
4638 just 1 bit is affected.
4639 * config/avr/avr.c (avr_out_bitop) <QImode>: Don't access xop[3].
4640 (avr_out_compare) [EQ,NE]: Tweak comparing d-regs against -1.
4642 2016-07-15 Cesar Philippidis <cesar@codesourcery.com>
4644 * omp-low.c (lower_omp_target): Mark data clauses with
4645 GOMP_MAP_FORCE_{PRESENT,TO,FROM,TOFROM} as potentially having
4646 zero-length subarrays.
4648 2016-07-15 Richard Biener <rguenther@suse.de>
4650 PR tree-optimization/71881
4651 * tree-loop-distribution.c (destroy_loop): Remove blocks in
4652 reverse DOM order to make debug temp generation happy.
4654 2016-07-15 Richard Biener <rguenther@suse.de>
4656 PR tree-optimization/71887
4657 * tree-ssa-phiopt.c (absorbing_element_p): Add rhs arg and
4658 verify it is not zero for division / modulo handling.
4659 (value_replacement): Adjust.
4661 2016-07-15 Virendra Pathak <virendra.pathak@broadcom.com>
4662 Julian Brown <julian@codesourcery.com>
4664 * config/aarch64/aarch64-cores.def: Update vulcan COSTS.
4665 * config/aarch64/aarch64-cost-tables.h
4666 (vulcan_extra_costs): New variable.
4667 * config/aarch64/aarch64.c
4668 (vulcan_addrcost_table): Likewise.
4669 (vulcan_regmove_cost): Likewise.
4670 (vulcan_vector_cost): Likewise.
4671 (vulcan_branch_cost): Likewise.
4672 (vulcan_tunings): Likewise.
4674 2016-07-15 Alexander Monakov <amonakov@ispras.ru>
4676 * cgraphunit.c (cgraph_order_sort_kind): New entry ORDER_VAR_UNDEF.
4677 (output_in_order): Loop over undefined variables too. Output them
4678 via assemble_undefined_decl. Skip variables that correspond to hard
4679 registers or have value-exprs.
4680 * varpool.c (symbol_table::output_variables): Handle undefined
4681 variables together with defined ones.
4683 2016-07-15 Richard Biener <rguenther@suse.de>
4685 * tree-ssa-pre.c (get_representative_for): Make sure to return
4686 the value number of SSA names.
4687 (phi_translate_1): get_representative_for cannot return NULL.
4688 (do_pre_regular_insertion): Remove redundant call to
4689 fully_constant_expression.
4690 (do_pre_partial_partial_insertion): Likewise.
4692 2016-07-15 Bin Cheng <bin.cheng@arm.com>
4694 * tree-scalar-evolution.c (simple_iv_with_niters): New funcion.
4695 (derive_simple_iv_with_niters): New function.
4696 (simple_iv): Rewrite using simple_iv_with_niters.
4697 * tree-scalar-evolution.h (simple_iv_with_niters): New decl.
4698 * tree-ssa-loop-niter.c (number_of_iterations_exit_assumptions): New
4700 (number_of_iterations_exit): Rewrite using above function.
4701 * tree-ssa-loop-niter.h (number_of_iterations_exit_assumptions): New
4704 2016-07-15 Richard Biener <rguenther@suse.de>
4706 * config/i386/i386.c (ix86_builtin_vectorization_cost): Adjust
4709 2016-07-14 Jakub Jelinek <jakub@redhat.com>
4711 PR tree-optimization/71872
4712 * tree-data-ref.c (get_references_in_stmt): Ignore references
4713 with is_gimple_constant get_base_address.
4715 2016-07-14 Thomas Preud'homme <thomas.preudhomme@arm.com>
4717 * config/arm/arm.h (TARGET_HAVE_LDACQ): Enable for ARMv8-M Mainline.
4718 (TARGET_HAVE_LDACQD): New macro.
4719 * config/arm/sync.md (atomic_loaddi): Use TARGET_HAVE_LDACQD rather
4720 than TARGET_HAVE_LDACQ.
4721 (arm_load_acquire_exclusivedi): Likewise.
4722 (arm_store_release_exclusivedi): Likewise.
4724 2016-07-14 Thomas Preud'homme <thomas.preudhomme@arm.com>
4726 PR rtl-optimization/71878
4727 * lra-constraints.c (match_reload): Pass information about other
4728 output operands. Create new unique register value if matching input
4729 operand shares same register value as output operand being considered.
4730 (curr_insn_transform): Record output operands already processed.
4732 2016-07-14 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
4735 PR tree-optimization/70923
4736 * tree-vect-patterns.c: Include mult-synthesis.h.
4737 (target_supports_mult_synth_alg): New function.
4738 (synth_lshift_by_additions): Likewise.
4739 (apply_binop_and_append_stmt): Likewise.
4740 (vect_synth_mult_by_constant): Likewise.
4741 (target_has_vecop_for_code): Likewise.
4742 (vect_recog_mult_pattern): Use above functions to synthesize vector
4743 multiplication by integer constants.
4745 2016-07-14 Alan Modra <amodra@gmail.com>
4747 * gcc/config/rs6000/altivec.md (altivec_mov<mode>): Disparage
4748 gpr alternatives. Correct '*' placement on Y,r alternative.
4749 Add '*' on operand 1 of r,r alternative.
4751 2016-07-14 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
4753 * expmed.c (mult_variant, choose_mult_variant): Move declaration to...
4754 * expmed.h: ... Here.
4756 2016-07-14 Jan Hubicka <hubicka@ucw.cz>
4758 * gimple.h (stmt_can_terminate_bb_p): New function.
4759 * tree-cfg.c (need_fake_edge_p): Rename to ...
4760 (stmt_can_terminate_bb_p): ... this; return true if stmt can
4761 throw external; handle const and pure calls.
4762 * tree-ssa-loop-niter.c (loop_only_exit_p): Use it.
4764 2016-07-14 Richard Biener <rguenther@suse.de>
4766 PR tree-optimization/71866
4767 * tree-ssa-pre.c (get_constant_for_value_id): Remove.
4768 (do_hoist_insertion): Avoid endless recursion when we
4769 didn't insert anything because we managed to simplify
4770 things down to a constant or SSA name.
4771 (fully_constant_expression): Re-write in terms of ...
4772 * tree-ssa-sccvn.h (vn_nary_simplify): ... this. Declare.
4773 * tree-ssa-sccvn.c (vn_nary_simplify): New wrapper around
4774 vn_nary_build_or_lookup_1.
4775 (vn_nary_build_or_lookup_1): Added flag and renamed from ...
4776 (vn_nary_build_or_lookup): ... this which now wraps it.
4778 2016-07-14 Alan Modra <amodra@gmail.com>
4781 * config/rs6000/rs6000.c (rs6000_option_override_internal): Deal
4782 with p9_vector override before power9-dform override.
4784 2016-07-13 Andi Kleen <ak@linux.intel.com>
4786 * value-prof.c (gimple_value_profile_transformations): Don't run
4787 when auto_profile is on.
4789 2016-07-13 Andi Kleen <ak@linux.intel.com>
4791 * auto-profile.c (update_inlined_ind_target,
4792 afdo_indirect_call): Print information to dump file.
4794 2016-07-13 Andrew Burgess <andrew.burgess@embecosm.com>
4796 * genrecog.c (special_predicate_operand_p): New function.
4797 (predicate_name): Move function.
4798 (validate_pattern): Don't warn about missing mode for all
4799 define_special_predicate predicates.
4801 2016-07-13 Bin Cheng <bin.cheng@arm.com>
4803 * tree-vect-data-refs.c (vect_no_alias_p): New function.
4804 (vect_prune_runtime_alias_test_list): Call vect_no_alias_p to
4805 resolve alias checks which are known at compilation time.
4806 Truncate vector LOOP_VINFO_MAY_ALIAS_DDRS(loop_vinfo) if all
4807 alias checks are resolved. Move dump info for too many runtime
4808 alias checks to here...
4809 * tree-vect-loop.c (vect_analyze_loop_2): ...From here.
4811 2016-07-13 Richard Biener <rguenther@suse.de>
4813 PR tree-optimization/24574
4814 * tree-ssa-phiopt.c (absorbing_element_p): Pass in argument
4815 position and add shift, rotate, divison and modulo support
4817 (value_replacement): Pass in argument position to absorbing_element_p.
4819 2016-07-13 Ilya Enkovich <ilya.enkovich@intel.com>
4822 * ipa-inline-transform.c (inline_call): Support
4823 instrumented thunks.
4825 2016-07-13 Thomas Preud'homme <thomas.preudhomme@arm.com>
4827 * config/arm/arm.h (TARGET_HAVE_CBZ): Define.
4828 (TARGET_IDIV): Set for all Thumb targets provided they have hardware
4830 * config/arm/arm.md (divsi3): New unpredicable alternative for ARMv8-M
4831 Baseline. Make initial alternative TARGET_32BIT only.
4832 (udivsi3): Likewise.
4833 * config/arm/thumb1.md (thumb1_cbz): New define_insn.
4834 * doc/sourcebuild.texi (arm_thumb1_cbz_ok): Document new effective
4837 2016-07-13 Thomas Preud'homme <thomas.preudhomme@arm.com>
4839 * config/arm/arm.h (TARGET_HAVE_MOVT): Include ARMv8-M as having MOVT.
4840 * config/arm/arm.c (arm_arch_name): (const_ok_for_op): Check MOVT/MOVW
4841 availability with TARGET_HAVE_MOVT.
4842 (thumb_legitimate_constant_p): Strip the high part of a label_ref.
4843 (thumb1_rtx_costs): Also return 0 if setting a half word constant and
4844 MOVW is available and replace (unsigned HOST_WIDE_INT) INTVAL by
4846 (thumb1_size_rtx_costs): Make set of half word constant also cost 1
4847 extra instruction if MOVW is available. Use a cost variable
4848 incremented by COSTS_N_INSNS (1) when the condition match rather than
4849 returning an arithmetic expression based on COSTS_N_INSNS. Make
4850 constant with bottom half word zero cost 2 instruction if MOVW is
4852 * config/arm/arm.md (define_attr "arch"): Add v8mb.
4853 (define_attr "arch_enabled"): Set to yes if arch value is v8mb and
4854 target is ARMv8-M Baseline.
4855 (arm_movt): New unpredicable alternative for ARMv8-M Baseline.
4856 (arm_movtas_ze): Likewise.
4857 * config/arm/thumb1.md (thumb1_movdi_insn): Add ARMv8-M Baseline only
4858 alternative for constants satisfying j constraint.
4859 (thumb1_movsi_insn): Likewise.
4860 (movsi splitter for K alternative): Tighten condition to not trigger
4861 if movt is available and j constraint is satisfied.
4862 (Pe immediate splitter): Likewise.
4863 (thumb1_movhi_insn): Add ARMv8-M Baseline only alternative for
4864 constant fitting in an halfword to use MOVW.
4865 * doc/sourcebuild.texi (arm_thumb1_movt_ok): Document new ARM
4868 2016-07-13 Richard Biener <rguenther@suse.de>
4871 * gimplify.c (gimplify_modify_expr): Gimplify the RHS before
4872 gimplifying the LHS. Make sure to gimplify a returning twice
4873 call LHS without using SSA names.
4875 2016-07-12 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
4877 * tree-data-ref.c (find_data_references_in_stmt): Remove
4878 unnecessary call to vec::release.
4879 (graphite_find_data_references_in_stmt): Likewise.
4880 * tree-ssa-alias.c (nonoverlapping_component_refs_of_decl_p): Likewise.
4881 * tree-vect-stmts.c (vectorizable_condition): Likewise.
4883 2016-07-12 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
4885 * cfgexpand.c (expand_used_vars): Make the type of a local
4887 * genmatch.c (lower_for): Likewise.
4888 * haifa-sched.c (haifa_sched_init): Likewise.
4889 (add_to_speculative_block): Likewise.
4890 (create_check_block_twin): Likewise.
4891 * predict.c (handle_missing_profiles): Likewise.
4892 * tree-data-ref.c (loop_nest_has_data_refs): Likewise.
4893 * tree-diagnostic.c (maybe_unwind_expanded_macro_loc): Likewise.
4894 * tree-ssa-loop-niter.c (discover_iteration_bound_by_body_walk):
4896 (maybe_lower_iteration_bound): Likewise.
4897 * tree-ssa-sccvn.c (DFS): Likewise.
4898 * tree-stdarg.c (reachable_at_most_once): Likewise.
4899 * tree-vect-stmts.c (vectorizable_conversion): Likewise.
4900 (vectorizable_store): Likewise.
4902 2016-07-12 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
4904 * tree-ssa-sccvn.c (sccvn_dom_walker::~sccvn_dom_walker): remove.
4905 (sccvn_dom_walker): make cond_stack an auto_vec.
4907 2016-07-12 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
4909 * ree.c (struct ext_state): Make type of members auto_vec.
4910 (find_and_remove_re): Adjust.
4912 2016-07-12 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
4914 * cfgexpand.c (struct stack_vars_data): Make type of fields
4916 (expand_used_vars): Adjust.
4918 2016-07-12 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
4920 * ipa.c (record_cdtor_fn): Adjust.
4921 (build_cdtor_fns): Likewise.
4922 (ipa_cdtor_merge): Make static_ctors and static_dtors local
4925 2016-07-12 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
4927 * genextract.c (struct accum_extract): Add constructor and make
4931 2016-07-12 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
4933 * tree.c (struct free_lang_data_d): Add constructor and change
4934 types of members to ones that automatically manage resources.
4935 (fld_worklist_push): Adjust.
4936 (find_decls_types): Likewise.
4937 (find_decls_types_in_eh_region): Likewise.
4938 (free_lang_data_in_cgraph): Stop manually creating and
4939 destroying members of free_lang_data_d.
4941 2016-07-13 Uros Bizjak <ubizjak@gmail.com>
4943 PR rtl-optimization/68961
4944 * config/i386/sse.md (movsd/movhpd to movupd peephole2s): Add new
4945 peephole variant. Use sse_reg_operand predicates.
4947 2016-07-12 Uros Bizjak <ubizjak@gmail.com>
4949 * config/i386/predicates.md (x86_64_immediate_operand)
4950 <case CONST_INT>: Remove unneeded truncation to DImode.
4951 <case CONST>: Ditto.
4952 (x86_64_zext_immediate_operand) <case CONST>: Ditto.
4954 2016-07-12 Michael Meissner <meissner@linux.vnet.ibm.com>
4957 * config/rs6000/altivec.md (altivec_vperm_<mode>_internal):
4958 The xxperm and xxpermr instructions require that the 2nd input
4959 operand overlap with the output operand, and not the 1st.
4960 (altivec_vperm_v8hiv16qi): Likewise.
4961 (altivec_vperm_<mode>_uns_internal): Likewise.
4962 (altivec_vpermr_<mode>_internal): Likewise.
4963 (vperm_v8hiv4si): Likewise.
4964 (vperm_v16qiv8hi): Likewise.
4966 2016-07-12 Nathan Sidwell <nathan@acm.org>
4968 * config/arm/arm.c (arm_option_override): Set MASK_SINGLE_PIC_BASE
4969 when -mno-pic-data-is-text-relative is in effect, by default.
4970 * doc/invoke.texi (mpic-data-is-text-relative): Document new
4971 behavior and clarify.
4973 2016-07-12 Martin Liska <mliska@suse.cz>
4975 * params.def: Add avg-loop niter.
4976 * tree-ssa-loop-ivopts.c (avg_loop_niter): Use the param.
4977 * cfgloopanal.c (expected_loop_iterations_unbounded): Likewise.
4978 * doc/invoke.texi: Document the new parameter.
4980 2016-07-12 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
4983 * expr.c (store_constructor): Mask sign-extended bits when widening
4984 sub-word constructor element at the start of a word.
4986 2016-07-12 Martin Liska <mliska@suse.cz>
4988 * Makefile.in: Append rule for params-options.h.
4989 * params-options.h: New file.
4991 2016-07-12 Martin Liska <mliska@suse.cz>
4993 * ira-build.c (mark_loops_for_removal): Properly iterate
4996 2016-07-12 Steven Bosscher <steven@gcc.gnu.org>
4997 Richard Biener <rguenther@suse.de>
4999 PR tree-optimization/23286
5000 PR tree-optimization/70159
5001 * doc/invoke.texi: Document -fcode-hoisting.
5002 * common.opt (fcode-hoisting): New flag.
5003 * opts.c (default_options_table): Enable -fcode-hoisting at -O2+.
5004 * tree-ssa-pre.c (pre_stats): Add hoist_insert.
5005 (do_regular_insertion): Rename to ...
5006 (do_pre_regular_insertion): ... this and amend general comments
5007 on insertion strathegy.
5008 (do_partial_partial_insertion): Rename to ...
5009 (do_pre_partial_partial_insertion): ... this.
5010 (do_hoist_insertion): New function.
5011 (insert_aux): Take flags on whether to do PRE and/or hoist insertion
5012 and call do_hoist_insertion properly.
5014 (pass_pre::gate): Enable also if -fcode-hoisting is enabled.
5015 (pass_pre::execute): Register hoist_insert stats.
5017 2016-07-12 Jakub Jelinek <jakub@redhat.com>
5020 * gimple-fold.c (optimize_atomic_compare_exchange_p): Return false
5021 for SCALAR_FLOAT_TYPE_P type of expected var, or if TYPE_PRECISION
5022 is different from mode's bitsize. Small cleanup.
5024 2016-07-12 Richard Biener <rguenther@suse.de>
5026 PR rtl-optimization/68961
5027 * fwprop.c (propagate_rtx): Allow SUBREGs of VEC_CONCAT and CONCAT
5028 to simplify to a non-constant.
5030 2016-07-11 Jakub Jelinek <jakub@redhat.com>
5033 * omp-low.c (expand_omp_target): Gimplify device.
5035 PR tree-optimization/71823
5036 * tree-vect-stmts.c (vectorizable_operation): Use vect_get_vec_defs
5037 to get vec_oprnds2 from op2.
5039 2016-07-11 Uros Bizjak <ubizjak@gmail.com>
5041 * config/i386/predicates.md (x86_64_immediate_operand) <case CONST>:
5042 Hoist common subexpressions.
5043 (x86_64_zext_immediate_operand) <case CONST>: Ditto.
5045 2016-07-11 Pat Haugen <pthaugen@us.ibm.com>
5048 * config/rs6000/rs6000.md (stfiwx): Change constraint to 'wu' to
5049 prevent generation of 'stxsiwx' on pre Power8 hardware.
5051 2016-07-11 David Malcolm <dmalcolm@redhat.com>
5053 * input.c: Include cpplib.h.
5054 (selftest::temp_source_file): New class.
5055 (selftest::temp_source_file::temp_source_file): New ctor.
5056 (selftest::temp_source_file::~temp_source_file): New dtor.
5057 (selftest::should_have_column_data_p): New function.
5058 (selftest::test_should_have_column_data_p): New function.
5059 (selftest::temp_line_table): New class.
5060 (selftest::temp_line_table::temp_line_table): New ctor.
5061 (selftest::temp_line_table::~temp_line_table): New dtor.
5062 (selftest::test_accessing_ordinary_linemaps): Add case_ param; use
5063 it to create a temp_line_table.
5064 (selftest::assert_loceq): Only verify LOCATION_COLUMN for
5065 locations that are known to have column data.
5066 (selftest::line_table_case): New struct.
5067 (selftest::test_reading_source_line): Move tempfile handling
5068 to class temp_source_file.
5069 (ASSERT_TOKEN_AS_TEXT_EQ): New macro.
5070 (selftest::assert_token_loc_eq): New function.
5071 (ASSERT_TOKEN_LOC_EQ): New macro.
5072 (selftest::test_lexer): New function.
5073 (selftest::boundary_locations): New array.
5074 (selftest::input_c_tests): Call test_should_have_column_data_p.
5075 Loop over a test matrix of interesting values of location and
5076 default_range_bits, calling test_lexer on each case in the matrix.
5077 Move call to test_accessing_ordinary_linemaps into the matrix.
5078 * selftest.h (ASSERT_EQ): Reimplement in terms of...
5079 (ASSERT_EQ_AT): New macro.
5081 2016-07-11 H.J. Lu <hongjiu.lu@intel.com>
5084 * config/i386/i386.c (timode_scalar_chain::fix_debug_reg_uses):
5085 Don't convert TImode in debug insn.
5087 2016-07-11 Bernd Edlinger <bernd.edlinger@hotmail.de>
5089 Convert TYPE_ALIGN_OK to a TYPE_LANG_FLAG.
5090 * tree-core.h (tree_base::nothrow_flag): Adjust comment.
5091 (tree_type_common::lang_flag_7): New.
5092 (tree_type_common::spare): Reduce size.
5093 * tree.h (TYPE_ALIGN_OK): Remove.
5094 (TYPE_LANG_FLAG_7): New.
5095 (get_inner_reference): Adjust header.
5096 * print-tree.c (print_node): Adjust.
5097 * expr.c (get_inner_reference): Remove parameter keep_aligning.
5098 (get_bit_range, expand_assignment, expand_expr_addr_expr_1): Adjust
5099 calls to get_inner_reference.
5100 (expand_expr_real_1): Adjust call to get_inner_reference. Remove
5101 handling of TYPE_ALIGN_OK.
5102 * builtins.c (get_object_alignment_2): Adjust call to
5103 get_inner_reference. Remove handling of VIEW_CONVERT_EXPR.
5104 * emit-rtl.c (set_mem_attributes_minus_bitpos): Remove handling of
5106 * asan.c (instrument_derefs): Adjust calls to get_inner_reference.
5107 * cfgexpand.c (expand_debug_expr): Likewise.
5108 * dbxout.c (dbxout_expand_expr): Likewise.
5109 * dwarf2out.c (loc_list_for_address_of_addr_expr_of_indirect_ref,
5110 loc_list_from_tree, fortran_common): Likewise.
5111 * fold-const.c (optimize_bit_field_compare,
5112 decode_field_reference, fold_unary_loc, fold_comparison,
5113 split_address_to_core_and_offset): Likewise.
5114 * gimple-laddress.c (execute): Likewise.
5115 * gimple-ssa-strength-reduction.c (slsr_process_ref): Likewise.
5116 * gimplify.c (gimplify_scan_omp_clauses): Likewise.
5117 * hsa-gen.c (gen_hsa_addr): Likewise.
5118 * simplifx-rtx.c (delegitimize_mem_from_attrs): Likewise.
5119 * tsan.c (instrument_expr): Likewise.
5120 * ubsan.c (instrument_bool_enum_load, instrument_object_size): Likewise.
5121 * tree.c (verify_type_variant): Remove handling of TYPE_ALIGN_OK.
5122 * tree-affine.c (tree_to_aff_combination,
5123 get_inner_reference_aff): Adjust calls to get_inner_reference.
5124 * tree-data-ref.c (split_constant_offset_1,
5125 dr_analyze_innermost): Likewise.
5126 * tree-scalar-evolution.c (interpret_rhs_expr): Likewise.
5127 * tree-sra.c (ipa_sra_check_caller): Likewise.
5128 * tree-ssa-loop-ivopts.c (split_address_cost): Likewise.
5129 * tree-ssa-math-opts.c (find_bswap_or_nop_load,
5130 bswap_replace): Likewise.
5131 * tree-vect-data-refs.c (vect_check_gather,
5132 vect_analyze_data_refs): Likewise.
5133 * config/mips/mips.c (r10k_safe_mem_expr_p): Likewise.
5134 * config/pa/pa.c (pa_emit_move_sequence): Remove handling of
5137 2016-07-11 David Malcolm <dmalcolm@redhat.com>
5139 * Makefile.in (selftest-valgrind): New phony target.
5140 * function-tests.c (selftest::build_cfg): Delete pass instances
5141 created by the test.
5142 (selftest::convert_to_ssa): Likewise.
5143 (selftest::test_expansion_to_rtl): Likewise.
5144 * tree-cfg.c (selftest::test_linear_chain): Release dominator
5146 (selftest::test_diamond): Likewise.
5148 2016-07-11 Richard Biener <rguenther@suse.de>
5150 PR tree-optimization/71816
5151 * tree-ssa-pre.c (compute_avail): Adjust alignment of ref rather
5152 than replacing all of its operands.
5154 2016-07-11 Alan Modra <amodra@gmail.com>
5156 * config/rs6000/rs6000.md (UNSPEC_DOLOOP): New unspec.
5157 (ctr<mode>): Add unspec.
5158 (ctr<mode>_internal*): Likewise.
5160 2016-07-08 James Bowman <james.bowman@ftdichip.com>
5162 * config/ft32/ft32.c (ft32_elf_encode_section_info): New function.
5163 * config/ft32/ft32.h (ASM_OUTPUT_SYMBOL_REF): New function.
5165 2016-07-08 Vladimir Makarov <vmakarov@redhat.com>
5167 PR rtl-optimization/71621
5168 * lra-constraints.c (process_alt_operands): Check combination of
5171 2016-07-08 Jason Merrill <jason@redhat.com>
5172 Richard Biener <rguenther@suse.de>
5174 P0145: Refining Expression Order for C++.
5175 * gimplify.c (initial_rhs_predicate_for): New.
5176 (gimplfy_modify_expr): Gimplify RHS before LHS.
5178 2016-07-08 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
5181 * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
5182 Allow standard error handling to take over when a wrong number
5183 of arguments is presented to __builtin_vec_ld () or
5184 __builtin_vec_st ().
5186 2016-07-08 Jiong Wang <jiong.wang@arm.com>
5188 * config/aarch64/aarch64-simd-builtins.def (smax): Remove float
5193 * config/aarch64/arm_neon.h (vmaxnm_f32): Use
5194 __builtin_aarch64_fmaxv2sf.
5195 (vmaxnmq_f32): Likewise.
5196 (vmaxnmq_f64): Likewise.
5197 (vminnm_f32): Likewise.
5198 (vminnmq_f32): Likewise.
5199 (vminnmq_f64): Likewise.
5201 2016-07-08 Michael Meissner <meissner@linux.vnet.ibm.com>
5204 * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Do not
5205 enable -mfloat128-hardware by default.
5206 (ISA_3_0_MASKS_IEEE): New macro to give all of the VSX options
5207 that IEEE 128-bit hardware support needs.
5208 * config/rs6000/rs6000.c (rs6000_option_override_internal): If
5209 -mcpu=power9 -mfloat128, enable -mfloat128-hardware by default.
5210 Use ISA_3_0_MASKS_IEEE as the set of options that IEEE 128-bit
5211 floating point requires.
5212 * doc/invoke.texi (RS/6000 and PowerPC Options): Document
5213 -mfloat128 and -mfloat128-hardware changes.
5215 2016-07-08 Alan Hayward <alan.hayward@arm.com>
5217 PR tree-optimization/71667
5218 * tree-vect-loop.c (vectorizable_live_operation): ignore DEBUG stmts
5220 2016-07-08 Martin Liska <mliska@suse.cz>
5223 * fold-const.c (fold_convertible_p): As COMPLEX_TYPE
5224 folding produces SAVE_EXPRs, thus return false for the type.
5226 2016-07-07 Martin Liska <mliska@suse.cz>
5228 * file-find.c (remove_prefix): New function.
5229 * file-find.h (remove_prefix): Declare the function.
5230 * gcc-ar.c (main): Skip a folder of the wrapper if
5231 a wrapped binary would point to the same file.
5233 2016-07-07 Jan Hubicka <jh@suse.cz>
5235 * tree-scalar-evolution.c (iv_can_overflow_p): export.
5236 * tree-scalar-evolution.h (iv_can_overflow_p): Declare.
5237 * tree-ssa-loop-ivopts.c (alloc_iv): Use it.
5239 2016-07-07 Ilya Enkovich <ilya.enkovich@intel.com>
5242 * ipa-inline-analysis.c (compute_inline_parameters): Set
5243 local.can_change_signature to false for intrumentation
5246 2016-07-07 Thomas Preud'homme <thomas.preudhomme@arm.com>
5248 * config/arm/arm.h (TARGET_USE_MOVT): Check MOVT/MOVW availability
5249 with TARGET_HAVE_MOVT.
5250 (TARGET_HAVE_MOVT): Define.
5251 * config/arm/arm.c (const_ok_for_op): Check MOVT/MOVW
5252 availability with TARGET_HAVE_MOVT.
5253 * config/arm/arm.md (arm_movt): Use TARGET_HAVE_MOVT to check MOVT
5255 (addsi splitter): Use TARGET_THUMB && TARGET_HAVE_MOVT rather than
5257 (symbol_refs movsi splitter): Remove TARGET_32BIT check.
5258 (arm_movtas_ze): Use TARGET_HAVE_MOVT to check MOVT availability.
5259 * config/arm/constraints.md (define_constraint "j"): Use
5260 TARGET_HAVE_MOVT to check MOVT availability.
5262 2016-07-07 Thomas Preud'homme <thomas.preudhomme@arm.com>
5264 * config/arm/arm-protos.h: Reindent FL_FOR_* macro definitions.
5266 2016-07-07 Thomas Preud'homme <thomas.preudhomme@arm.com>
5268 * config/arm/arm-arches.def (armv8-m.base): Define new architecture.
5269 (armv8-m.main): Likewise.
5270 (armv8-m.main+dsp): Likewise.
5271 * config/arm/arm-protos.h (FL_FOR_ARCH8M_BASE): Define.
5272 (FL_FOR_ARCH8M_MAIN): Likewise.
5273 * config/arm/arm-tables.opt: Regenerate.
5274 * config/arm/bpabi.h: Add armv8-m.base, armv8-m.main and
5275 armv8-m.main+dsp to BE8_LINK_SPEC.
5276 * config/arm/arm.h (TARGET_HAVE_LDACQ): Exclude ARMv8-M.
5277 (enum base_architecture): Add BASE_ARCH_8M_BASE and BASE_ARCH_8M_MAIN.
5278 * config/arm/arm.c (arm_arch_name): Increase size to work with ARMv8-M
5279 Baseline and Mainline.
5280 (arm_option_override_internal): Also disable arm_restrict_it when
5281 !arm_arch_notm. Update comment for -munaligned-access to also cover
5283 (arm_file_start): Increase buffer size for printing architecture name.
5284 * doc/invoke.texi: Document architectures armv8-m.base, armv8-m.main
5285 and armv8-m.main+dsp.
5286 (mno-unaligned-access): Clarify that this is disabled by default for
5287 ARMv8-M Baseline architectures as well.
5289 2016-07-07 Thomas Preud'homme <thomas.preudhomme@arm.com>
5291 * config/arm/elf.h: Use __ARM_ARCH_ISA_THUMB and __ARM_ARCH_ISA_ARM to
5292 decide whether to prevent some libgcc routines being included for some
5293 multilibs rather than __ARM_ARCH_6M__ and add comment to indicate the
5294 link between this condition and the one in
5295 libgcc/config/arm/lib1func.S.
5297 2016-07-07 Richard Biener <rguenther@suse.de>
5299 * tree-ssa-pre.c: Include alias.h.
5300 (compute_avail): If we have multiple VN_REFERENCEs with the
5301 same hashtable entry adjust that to make it a valid replacement
5302 for all of them with respect to alignment and aliasing
5303 when doing insertion.
5304 * tree-ssa-sccvn.h (vn_reference_operands_for_lookup): Declare.
5305 * tree-ssa-sccvn.c (vn_reference_operands_for_lookup): New function.
5307 2016-07-06 Segher Boessenkool <segher@kernel.crashing.org>
5311 * config/rs6000/rs6000.md (*ctr<mode>_internal1, *ctr<mode>_internal2,
5312 *ctr<mode>_internal5, *ctr<mode>_internal6): Add *wi to the output
5315 2016-07-06 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
5317 * var-tracking.c (struct adjust_mem_data): Make side_effects a vector.
5318 (adjust_mems): Adjust.
5319 (adjust_insn): Likewise.
5320 (prepare_call_arguments): Likewise.
5322 2016-07-06 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
5324 * gcse.c (struct ls_expr): Make stores field a vector.
5325 (ldst_entry): Adjust.
5326 (free_ldst_entry): Likewise.
5327 (print_ldst_list): Likewise.
5328 (compute_ld_motion_mems): Likewise.
5329 (update_ld_motion_stores): Likewise.
5331 2016-07-06 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
5333 * gcse.c (struct ls_expr): Remove loads field.
5334 (ldst_entry): Adjust.
5335 (free_ldst_entry): Likewise.
5336 (print_ldst_list): Likewise.
5337 (compute_ld_motion_mems): Likewise.
5339 2016-07-06 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
5341 * store-motion.c (struct st_expr): Make antic_stores a vector.
5342 (st_expr_entry): Adjust.
5343 (free_st_expr_entry): Likewise.
5344 (print_store_motion_mems): Likewise.
5345 (find_moveable_store): Likewise.
5346 (compute_store_table): Likewise.
5347 (remove_reachable_equiv_notes): Likewise.
5348 (replace_store_insn): Likewise.
5349 (build_store_vectors): Likewise.
5351 2016-07-06 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
5353 * config/arm/driver-arm.c (arm_cpu_table): Add entries for cortex-a32,
5354 cortex-a35, cortex-a53, cortex-a57, cortex-a72, cortex-a73.
5356 2016-07-06 Yuri Rumyantsev <ysrumyan@gmail.com>
5358 PR tree-optimization/71518
5359 * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Adjust
5360 misalign also for outer loops with negative step.
5362 2016-07-06 Wilco Dijkstra <wdijkstr@arm.com>
5364 * config/arm/cortex-a53.md: Use final_presence_set for in-order.
5365 (cortex_a53_shift): Add mov_shift.
5366 (cortex_a53_shift_reg): Add new reservation for register shifts.
5367 (cortex_a53_alu): Remove bfm.
5368 (cortex_a53_alu_shift): Add bfm, remove mov_shift.
5369 (cortex_a53_alu_extr): Add new reservation for EXTR.
5370 (bypasses): Improve bypass modelling.
5372 2016-07-06 Senthil Kumar Selvaraj <senthil_kumar.selvaraj@atmel.com>
5375 * config/avr/avr.c (avr_asm_select_section): Strip off
5376 SECTION_DECLARED from flags when calling get_section.
5378 2016-07-06 Richard Sandiford <richard.sandiford@arm.com>
5380 * tree-vectorizer.h (vect_memory_access_type): Add
5381 VMAT_INVARIANT, VMAT_CONTIGUOUS_DOWN and VMAT_CONTIGUOUS_REVERSED.
5382 * tree-vect-stmts.c (compare_step_with_zero): New function.
5383 (perm_mask_for_reverse): Move further up file.
5384 (get_group_load_store_type): Stick to VMAT_ELEMENTWISE if the
5386 (get_negative_load_store_type): New function.
5387 (get_load_store_type): Call it. Add an ncopies argument.
5388 (vectorizable_mask_load_store): Update call accordingly and
5389 remove tests for negative steps.
5390 (vectorizable_store, vectorizable_load): Likewise. Handle new
5391 memory_access_types.
5393 2016-07-06 Richard Sandiford <richard.sandiford@arm.com>
5395 * tree-vectorizer.h (vect_memory_access_type): New enum.
5396 (_stmt_vec_info): Add a memory_access_type field.
5397 (STMT_VINFO_MEMORY_ACCESS_TYPE): New macro.
5398 (vect_model_store_cost): Take an access type instead of a boolean.
5399 (vect_model_load_cost): Likewise.
5400 * tree-vect-slp.c (vect_analyze_slp_cost_1): Update calls to
5401 vect_model_store_cost and vect_model_load_cost.
5402 * tree-vect-stmts.c (vec_load_store_type): New enum.
5403 (vect_model_store_cost): Take an access type instead of a
5404 store_lanes_p boolean. Simplify tests.
5405 (vect_model_load_cost): Likewise, but for load_lanes_p.
5406 (get_group_load_store_type, get_load_store_type): New functions.
5407 (vectorizable_store): Use get_load_store_type. Record the access
5408 type in STMT_VINFO_MEMORY_ACCESS_TYPE.
5409 (vectorizable_load): Likewise.
5410 (vectorizable_mask_load_store): Likewise. Replace is_store
5411 variable with vls_type.
5413 2016-07-06 Richard Sandiford <richard.sandiford@arm.com>
5415 * tree-vectorizer.h (vect_grouped_load_supported): Add a
5416 single_element_p parameter.
5417 * tree-vect-data-refs.c (vect_grouped_load_supported): Likewise.
5418 Check the PR65518 case here rather than in vectorizable_load.
5419 * tree-vect-loop.c (vect_analyze_loop_2): Update call accordignly.
5420 * tree-vect-stmts.c (vectorizable_load): Likewise.
5422 2016-07-06 Richard Sandiford <richard.sandiford@arm.com>
5424 * tree-vectorizer.h (gather_scatter_info): New structure.
5425 (vect_check_gather_scatter): Return a bool rather than a decl.
5426 Replace return-by-pointer arguments with a single
5427 gather_scatter_info *.
5428 * tree-vect-data-refs.c (vect_check_gather_scatter): Likewise.
5429 (vect_analyze_data_refs): Update call accordingly.
5430 * tree-vect-stmts.c (vect_mark_stmts_to_be_vectorized): Likewise.
5431 (vectorizable_mask_load_store): Likewise. Also record the
5432 offset dt and vectype in the gather_scatter_info.
5433 (vectorizable_store): Likewise.
5434 (vectorizable_load): Likewise.
5436 2016-07-06 Richard Sandiford <richard.sandiford@arm.com>
5438 * tree-vect-stmts.c (vect_model_store_cost): For non-SLP
5439 strided groups, use the cost of N scalar accesses instead
5440 of ncopies vector accesses.
5441 (vect_model_load_cost): Likewise.
5443 2016-07-06 Richard Sandiford <richard.sandiford@arm.com>
5445 * tree-vect-stmts.c (vect_cost_group_size): Delete.
5446 (vect_model_store_cost): Avoid calling it. Use first_stmt_p
5447 variable to indicate when once-per-group costs are being used.
5448 (vect_model_load_cost): Likewise. Fix comment and misindented code.
5450 2016-07-06 Richard Sandiford <richard.sandiford@arm.com>
5452 * tree-vect-stmts.c (vectorizable_load): Remove unnecessary
5453 peeling-for-gaps condition.
5455 2016-07-06 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
5457 * config/s390/s390.c (s390_expand_vec_init): Force initializer
5458 element to register if it doesn't match general_operand.
5460 2016-07-05 Michael Meissner <meissner@linux.vnet.ibm.com>
5461 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
5463 * config/rs6000/rs6000-protos.h (rs6000_split_signbit): New
5465 * config/rs6000/rs6000.c (rs6000_split_signbit): New function.
5466 * config/rs6000/rs6000.md (UNSPEC_SIGNBIT): New constant.
5467 (SIGNBIT): New mode iterator.
5468 (Fsignbit): New mode attribute.
5469 (signbit<mode>2): Change operand1 to match FLOAT128 instead of
5470 IBM128; dispatch to gen_signbit{kf,tf}2_dm for __float128
5471 when direct moves are available.
5472 (signbit<mode>2_dm): New define_insn_and_split).
5473 (signbit<mode>2_dm2): New define_insn.
5475 2016-07-05 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
5477 PR rtl-optimization/71594
5478 * ifcvt.c (noce_convert_multiple_sets): Wrap new_val or old_val
5479 into subregs of appropriate mode before trying to emit a conditional
5482 2016-07-05 Jan Hubicka <jh@suse.cz>
5484 * tree-scalar-evolution.c (iv_can_overflow_p): New function.
5485 (simple_iv): Use it.
5487 2016-07-05 Jan Hubicka <jh@suse.cz>
5489 * tree-ssa-loop-niter.c (nowrap_type_p): Use ANY_INTEGRAL_TYPE_P.
5491 2016-07-05 Jiong Wang <jiong.wang@arm.com>
5493 * lra-constraints.c (process_alt_operands): Don't add spilling cost for
5496 2016-07-05 Jan Hubicka <jh@suse.cz>
5498 * tree-scalar-evoluiton.c (simple_iv): Use nowrap_type to check if
5501 2016-07-05 Richard Biener <rguenther@suse.de>
5503 * gimple-ssa-split-paths.c (find_block_to_duplicate_for_splitting_pa):
5504 Handle empty else block.
5505 (is_feasible_trace): Likewise.
5506 (split_paths): Likewise.
5508 2016-07-05 Richard Biener <rguenther@suse.de>
5510 * tree-loop-distribution.c (distribute_loop): Fix issue with
5511 the cost model loop.
5513 2016-07-05 Christophe Lyon <christophe.lyon@linaro.org>
5515 * config/arm/neon-testgen.ml: Delete.
5516 * config/arm/neon.ml: Delete.
5518 2016-07-04 Jakub Jelinek <jakub@redhat.com>
5521 * tree.c (attribute_value_equal): Use get_attribute_name instead of
5522 directly using TREE_PURPOSE.
5524 2016-07-04 Jiong Wang <jiong.wang@arm.com>
5526 * config/aarch64/aarch64.h: Rename "ARMv8.1" to "ARMv8.1-A".
5527 * config/aarch64/aarch64_neon.h: Likewise.
5528 * config/aarch64/arm_neon.h: Likewise.
5529 * config/aarch64/atomics.md: Likewise.
5530 * config/aarch64/aarch64-simd-builtins.def: Likewise.
5531 * doc/invoke.texi: Likewise.
5533 2016-07-04 Dominik Vogt <vogt@linux.vnet.ibm.com>
5535 * config/s390/s390.md: Add "z13" cpu_facility.
5536 ("*mov<mode>cc"): Add support for z13 instructions lochi and locghi.
5537 * config/s390/predicates.md ("loc_operand"): New predicate for "load on
5538 condition" type instructions.
5540 2016-07-04 Dominik Vogt <vogt@linux.vnet.ibm.com>
5541 Jeff Law <law@redhat.com>
5543 * explow.c (allocate_dynamic_stack_space): Simplify knowing that
5544 MUST_ALIGN was always true and extra_align ist always BITS_PER_UNIT.
5546 2016-07-04 Yuri Rumyantsev <ysrumyan@gmail.com>
5548 * config/i386/i386.c (ix86_expand_vec_perm): Add handle one-operand
5549 permutation for TARGET_AVX512F.
5550 (ix86_expand_vec_one_operand_perm_avx512): New function.
5551 (expand_vec_perm_1): Invoke introduced function.
5552 * tree-vect-loop.c (vect_transform_loop): Clear-up safelen value since
5553 it may be not valid after vectorization.
5555 2016-07-04 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
5558 * config/aarch64/aarch64.c (aarch64_classify_symbol): Fix
5559 typo in comment. Only force to memory if it is a weak
5562 2016-07-04 Matthew Wahab <matthew.wahab@arm.com>
5563 Jiong Wang <jiong.wang@arm.com>
5565 * config/aarch64/aarch64-arches.def: Add "armv8.2-a".
5566 * config/aarch64/aarch64.h (AARCH64_FL_V8_2): New.
5567 (AARCH64_FL_F16): New.
5568 (AARCH64_FL_FOR_ARCH8_2): New.
5569 (AARCH64_ISA_8_2): New.
5570 (AARCH64_ISA_F16): New.
5571 (TARGET_FP_F16INST): New.
5572 (TARGET_SIMD_F16INST): New.
5573 * config/aarch64/aarch64-option-extensions.def ("fp16"): New entry.
5574 ("fp"): Disabling "fp" also disables "fp16".
5575 * config/aarch64/aarch64-c.c (arch64_update_cpp_builtins):
5576 Conditionally define __ARM_FEATURE_FP16_SCALAR_ARITHMETIC
5577 and __ARM_FEATURE_FP16_VECTOR_ARITHMETIC.
5578 * doc/invoke.texi (AArch64 Options): Document "armv8.2-a" and "fp16".
5580 2016-07-04 Jan Beulich <jbeulich@suse.com>
5582 * gcc.c (default_compilers["@c-header"]): Conditionalize "-o".
5584 2016-07-01 Michael Meissner <meissner@linux.vnet.ibm.com>
5587 * config/rs6000/vsx.md (vsx_splat_v4sf_internal): When splitting
5588 the insns, use an insn form that does not adjust the offset on
5589 little endian systems.
5591 2016-07-01 Jan Beulich <jbeulich@suse.com>
5593 * varasm.c (get_variable_section): Validate initializer in
5594 named .bss-like sections.
5596 2016-07-01 Kelvin Nilsen <kelvin@gcc.gnu.org>
5598 * config/rs6000/altivec.md (*altivec_vpermr_<mode>_internal):
5599 Exchange the order of the second and third operands in the vpermr
5600 instruction tmeplate.
5602 2016-07-01 Peter Bergner <bergner@vnet.ibm.com>
5605 * config/rs6000/rs6000.c (rs6000_secondary_reload_simple_move):
5606 Disallow TDmode values.
5608 2016-07-01 Alan Modra <amodra@gmail.com>
5610 PR rtl-optimization/71709
5611 * ira-lives.c (find_call_crossed_cheap_reg): Exit loop on arg reg
5612 being set, not referenced.
5614 2016-07-01 Yuri Rumyantsev <ysrumyan@gmail.com>
5616 PR tree-optimization/70729
5617 * tree-vectorizer.c (adjust_simduid_builtins): Nullify safelen field
5618 of loop since it can be not valid after transformation.
5620 2016-07-01 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
5622 * config/arm/arm.c (thumb_reload_in_hi): Delete.
5623 * config/arm/arm-protos.h (thumb_reload_in_hi): Delete prototype.
5625 2016-07-01 Eric Botcazou <ebotcazou@adacore.com>
5627 * config/arm/arm.c (arm_function_ok_for_sibcall): Add another check
5630 2016-06-30 Michael Meissner <meissner@linux.vnet.ibm.com>
5633 * config/rs6000/constraints.md (wY constraint): New constraint to
5634 match the requirements for the LXSD and STXSD instructions.
5635 * config/rs6000/predicates.md (offsettable_mem_14bit_operand): New
5636 predicate to match the requirements for the LXSD and STXSD
5638 * config/rs6000/rs6000.md (mov<mode>_hardfloat32, FMOVE64 case):
5639 Use constaint wY for LXSD/STXSD instructions instead of 'o' or 'Y'
5640 to make sure that the bottom 2 bits of offset are 0, the address
5641 form is offsettable, and no updating is done in the address mode.
5642 (mov<mode>_hardfloat64, FMOVE64 case): Likewise.
5643 (movdi_internal32): Likewise
5644 (movdi_internal64): Likewise.
5646 2016-06-30 Jakub Jelinek <jakub@redhat.com>
5648 PR tree-optimization/71707
5649 * tree-ssa-strlen.c (get_stridx_plus_constant): Handle already present
5650 strinfo even for ADDR_EXPR ptr.
5652 2016-06-30 Kelvin Nilsen <kelvin@gcc.gnu.org>
5654 * config/rs6000/altivec.md (darn_32): Change the condition to
5655 TARGET_P9_MISC instead of TARGET_MODULO.
5656 (darn_raw): Replace TARGET_MODULO with TARGET_P9_MISC in the
5657 condition expression.
5658 (darn): Replace TARGET_MODULO with TARGET_P9_MISC in the
5659 condition expression.
5660 * config/rs6000/dfp.md (UNSPEC_DTSTSFI): New unspec constant.
5661 (DFP_TEST): New code iterator.
5662 (dfptstsfi_<code>_mode>): New define_expand.
5663 (*dfp_sgnfcnc_<mode>): New define_insn.
5664 * config/rs6000/rs6000-builtin.def (BU_P9_MISC_0): Move this macro
5665 definition next to BU_P9_MISC_1 definition and change the MASK
5666 value to RS6000_BTM_P9_MISC.
5667 (BU_P9_MISC_1): Change the MASK value to RS6000_BTM_P9_MISC.
5668 (BU_P9_64BIT_MISC_0): Likewise.
5669 (BU_P9_DFP_MISC_0): New macro definition.
5670 (BU_P9_DFP_MISC_1): New macro definition.
5671 (BU_P9_DFP_MISC_2): New macro definition.
5672 (BU_P9_DFP_OVERLOAD_1): New macro definition.
5673 (BU_P9_DFP_OVERLOAD_2): New macro definition.
5674 (BU_P9_DFP_OVERLOAD_3): New macro definition.
5675 (TSTSFI_LT_DD): New BU_P9_DFP_MISC_2.
5676 (TSTSFI_LT_TD): Likewise.
5677 (TSTSFI_EQ_DD): Likewise.
5678 (TSTSFI_EQ_TD): Likewise.
5679 (TSTSFI_GT_DD): Likewise.
5680 (TSTSFI_GT_TD): Likewise.
5681 (TSTSFI_OV_DD): Likewise.
5682 (TSTSFI_OV_TD): Likewise.
5683 (TSTSFI_LT): New BU_P9_DFP_OVERLOAD_2.
5684 (TSTSFI_LT_DD): Likewise.
5685 (TSTSFI_LT_TD): Likewise.
5686 (TSTSFI_EQ): Likewise.
5687 (TSTSFI_EQ_DD): Likewise.
5688 (TSTSFI_EQ_TD): Likewise.
5689 (TSTSFI_GT): Likewise.
5690 (TSTSFI_GT_DD): Likewise.
5691 (TSTSFI_GT_TD): Likewise.
5692 (TSTSFI_OV): Likewise.
5693 (TSTSFI_OV_DD): Likewise.
5694 (TSTSFI_OV_TD): Likewise.
5695 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
5696 overloaded test significance functions.
5697 * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Add
5698 OPTION_MASK_P9_MISC into the representation of this mask.
5699 (POWERPC_MASKS): Add OPTION_MASK_P9_MISC into the representation
5701 * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Set the
5702 RS6000_BTM_P9_MISC flag in the return value if TARGET_P9_MISC is
5704 (rs6000_expand_binop_builtin): Enforce that argument 0 of the exp
5705 argument is a 6-bit unsigned literal value if the icode argument
5706 represents a DFP test significance built-in call.
5707 (rs6000_invalid_builtin): Add support for the RS6000_BTM_P9_MISC
5708 flag used independently and in combination with the
5709 RS6000_BTM_64BIT flag.
5710 (rs6000_opt_masks): Add entry for power9-misc command-line option.
5711 (rs6000_builtin_mask_names): Add entry for power9-misc
5712 command-line option.
5713 * config/rs6000/rs6000.h: Redefine TARGET_P9_MISC as 0 if
5714 HAVE_AS_POWER9 is not a defined macro. Define MASK_P9_MISC and
5715 RS6000_BTM_P9_MISC macros.
5716 * config/rs6000/rs6000.opt: Add support for the -mpower9-misc
5717 option and change the description of the -mpower9-vector option to
5718 enable only vector instructions, removing its erroneously claimed
5719 support for scalar instructions.
5720 * doc/extend.texi (PowerPC AltiVec Built-in Functions): Document
5721 the ISA 3.0 digital floating point test significance built-in
5724 2016-06-30 Wilco Dijkstra <wdijkstr@arm.com>
5726 * config/aarch64/aarch64.c (cortexa35_tunings):
5727 Enable AES fusion. Use cortexa57_branch_cost.
5728 (cortexa53_tunings): Use cortexa57_branch_cost.
5729 (cortexa72_tunings): Use cortexa57_branch_cost.
5730 Use AUTOPREFETCHER_WEAK.
5731 (cortexa73_tunings): Use cortexa57_branch_cost.
5733 2016-06-30 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
5734 James Greenhalgh <james.greenhalgh@arm.com>
5736 * config/aarch64/arm_neon.h (vcopyq_lane_f32, vcopyq_lane_f64,
5737 vcopyq_lane_p8, vcopyq_lane_p16, vcopyq_lane_s8, vcopyq_lane_s16,
5738 vcopyq_lane_s32, vcopyq_lane_s64, vcopyq_lane_u8, vcopyq_lane_u16,
5739 vcopyq_lane_u32, vcopyq_lane_u64): Reimplement in C.
5740 (vcopy_lane_f32, vcopy_lane_f64, vcopy_lane_p8, vcopy_lane_p16,
5741 vcopy_lane_s8, vcopy_lane_s16, vcopy_lane_s32, vcopy_lane_s64,
5742 vcopy_lane_u8, vcopy_lane_u16, vcopy_lane_u32, vcopy_lane_u64,
5743 vcopy_laneq_f32, vcopy_laneq_f64, vcopy_laneq_p8, vcopy_laneq_p16,
5744 vcopy_laneq_s8, vcopy_laneq_s16, vcopy_laneq_s32, vcopy_laneq_s64,
5745 vcopy_laneq_u8, vcopy_laneq_u16, vcopy_laneq_u32, vcopy_laneq_u64,
5746 vcopyq_laneq_f32, vcopyq_laneq_f64, vcopyq_laneq_p8, vcopyq_laneq_p16,
5747 vcopyq_laneq_s8, vcopyq_laneq_s16, vcopyq_laneq_s32, vcopyq_laneq_s64,
5748 vcopyq_laneq_u8, vcopyq_laneq_u16, vcopyq_laneq_u32, vcopyq_laneq_u64):
5751 2016-06-30 James Greenhalgh <james.greenhalgh@arm.com>
5752 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
5754 * config/aarch64/aarch64-simd.md (*aarch64_simd_vec_copy_lane<mode>):
5756 (*aarch64_simd_vec_copy_lane_<vswap_width_name><mode>): Likewise.
5758 2016-06-30 David Malcolm <dmalcolm@redhat.com>
5761 * gcc.c (driver::build_option_suggestions): Pass "option" to
5762 add_misspelling_candidates.
5763 * opts-common.c (add_misspelling_candidates): Add "option" param;
5764 use it to avoid adding negated forms for options marked with
5766 * opts.h (add_misspelling_candidates): Add "option" param.
5768 2016-06-30 Jakub Jelinek <jakub@redhat.com>
5771 * fold-const.c (fold_binary_loc) <case RROTATE_EXPR>: Cast
5772 TREE_OPERAND (arg0, 0) and TREE_OPERAND (arg0, 1) to type
5773 first when permuting bitwise operation with rotate. Cast
5774 TREE_OPERAND (arg0, 0) to type when cancelling two rotations.
5776 2016-06-29 David Malcolm <dmalcolm@redhat.com>
5778 * opts.c (handle_param): Use find_param_fuzzy to offer suggestions
5779 for misspelled param names.
5780 * params.c: Include spellcheck.h.
5781 (find_param_fuzzy): New function.
5782 * params.h (find_param_fuzzy): New prototype.
5783 * spellcheck.c (struct edit_distance_traits<const char *>): Move to...
5784 * spellcheck.h (struct edit_distance_traits<const char *>):
5787 2016-06-29 Michael Meissner <meissner@linux.vnet.ibm.com>
5789 * config/rs6000/predicates.md (const_0_to_7_operand): New
5790 predicate, recognize 0..7.
5791 * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Add
5792 support for doing extracts from V16QImode, V8HImode, V4SImode
5794 * config/rs6000/vsx.md (VSX_EXTRACT_I): Mode iterator for ISA 3.0
5795 vector extract support.
5796 (VSX_EXTRACT_PREDICATE): Mode attribute to validate element number
5797 for ISA 3.0 vector extract.
5798 (VSX_EX): Constraints to use for ISA 3.0 vector extract.
5799 (vsx_extract_<mode>, VSX_EXTRACT_I): Add support for doing
5800 extracts of a constant element number from small integer vectors
5801 on 64-bit ISA 3.0 systems.
5802 (vsx_extract_<mode>_di): Likewise.
5803 * config/rs6000/rs6000.h (TARGET_VEXTRACTUB): New target macro to
5804 say when we can do ISA 3.0 vector extracts.
5805 * config/rs6000/rs6000.md (stfiwx): Allow DImode in Altivec
5806 registers, using the stxsiwx instruction.
5808 2016-06-29 Jim Wilson <jim.wilson@linaro.org>
5810 * config/aarch64/aarch64-cores.def (qdf24xx): Use qdf24xx tuning.
5811 * config/aarch64/aarch64.c (qdf24xx_addrcost_table,
5812 qdf24xx_regmove_cost, qdf24xx_tunings): New.
5813 * config/arm/aarch64-cost-tables.h (qdf24xx_extra_costs): New.
5814 * config/arm/arm-cores.def (qdf24xx): Use qdf24xx tuning.
5815 * config/arm/arm.c (arm_qdf24xx_tune): New.
5817 2016-06-29 Wilco Dijkstra <wdijkstr@arm.com>
5819 * config/aarch64/aarch64.c (cortexa53_tunings):
5820 Increase loop alignment to 8. Set function alignment to 16.
5821 (cortexa35_tunings): Likewise.
5822 (cortexa57_tunings): Increase loop alignment to 8.
5823 (cortexa72_tunings): Likewise.
5824 (cortexa73_tunings): Likewise.
5826 2016-06-29 Matthew Wahab <matthew.wahab@arm.com>
5828 * doc/sourcebuild.texi (Effective-Target keywords): Add entries
5829 for arm_fp16_ok and arm_fp16_hw.
5830 (Add Options): Add entries for arm_fp16, arm_fp16_ieee and
5831 arm_fp16_alternative.
5833 2016-06-29 Ilya Enkovich <ilya.enkovich@intel.com>
5835 PR tree-optimization/71655
5836 * tree-vect-stmts.c (vectorizable_comparison): Swap definition
5837 types when swapping operands.
5839 2016-06-29 Martin Liska <mliska@suse.cz>
5842 * common.opt (flag_stack_protect): Mark the flag as optimization flag.
5843 * ipa-inline-transform.c (inline_call): Remove unnecessary call
5844 of build_optimization_node.
5846 2016-06-29 Yuri Rumyantsev <ysrumyan@gmail.com>
5848 PR tree-optimization/70729
5849 * tree-ssa-loop-im.c (ref_indep_loop_p_1): Consider memory reference as
5850 independent in loops having positive safelen value.
5851 * tree-vect-loop.c (vect_transform_loop): Clear-up safelen value since
5852 it may be not valid after vectorization.
5854 2016-06-29 Jakub Jelinek <jakub@redhat.com>
5856 PR tree-optimization/71625
5857 * tree-ssa-strlen.c (get_addr_stridx): Add PTR argument. Assume list
5858 is sorted by ascending list->offset. If PTR is non-NULL and there is
5859 previous strinfo, call get_stridx_plus_constant.
5860 (get_stridx): Pass exp as second argument to get_addr_stridx.
5861 (addr_stridxptr): Add missing list = list->next, so that there can be
5862 more than one entries in the list. Bump limit from 16 to 32. Ensure
5863 the list is sorted by ascending list->offset.
5864 (get_stridx_plus_constant): Adjust so that it can be also called with
5865 ADDR_EXPR instead of SSA_NAME as PTR.
5866 (handle_char_store): Pass NULL_TREE as second argument to
5869 2016-06-29 Richard Biener <rguenther@suse.de>
5871 PR rtl-optimization/68961
5872 * simplify-rtx.c (simplify_subreg): Handle VEC_CONCAT like CONCAT.
5874 2016-06-29 Richard Biener <rguenther@suse.de>
5877 * alias.c (component_uses_parent_alias_set_from): Handle
5878 type punning through union accesses by using the union alias set.
5879 * gimple.c (gimple_get_alias_set): Remove union type punning case.
5881 2016-07-29 Richard Biener <rguenther@suse.de>
5883 * match.pd ((T)(T2)x -> (T)x): Remove restriction on final
5884 precision not matching mode precision.
5886 2016-06-28 John David Anglin <danglin@gcc.gnu.org>
5888 * config/pa/pa.md (call_symref_64bit_post_reload): Don't call
5889 pa_output_arg_descriptor.
5890 (call_val_symref_64bit_post_reload): Likewise.
5891 (call_val_powf_64bit_post_reload): Likewise.
5892 (sibcall_internal_symref_64bit): Likewise.
5893 (sibcall_value_internal_symref_64bit): Likewise.
5895 2016-06-28 Jakub Jelinek <jakub@redhat.com>
5898 * config/i386/i386.c (ix86_expand_vector_move): For SUBREG of
5899 a constant, force its SUBREG_REG into memory or register instead
5902 2016-06-28 Pitchumani Sivanupandi <pitchumani.s@atmel.com>
5905 * config/avr/avr.opt (-mfract-convert-truncate): Update description.
5906 * doc/invoke.texi (AVR Options): Document it.
5908 2016-06-28 Walter Lee <walt@tilera.com>
5910 * config/tilegx/linux.h: Do not include arch/icache.h
5911 (CLEAR_INSN_CACHE): Provide inlined definition directly.
5912 * config/tilepro/linux.h: Do not include arch/icache.h
5913 (CLEAR_INSN_CACHE): Provide inlined definition directly.
5915 2016-06-28 Wilco Dijkstra <wdijkstr@arm.com>
5917 * tree-ssa-math-opts.c (find_bswap_or_nop_1): Adjust bitnumbering
5918 for big-endian BIT_FIELD_REF.
5920 2016-06-28 Pat Haugen <pthaugen@us.ibm.com>
5922 * config/rs6000/rs6000.md ('type' attribute): Add htmsimple/dfp types.
5923 ('size' attribute): Add '128'.
5925 (*mov<mode>_hardfloat32, *mov<mode>_hardfloat64, *movdi_internal32,
5926 *movdi_internal64, *movdf_update1): Set size attribute to '64'.
5927 (add<mode>3, sub<mode>3, mul<mode>3, div<mode>3, sqrt<mode>2,
5928 copysign<mode>3, neg<mode>2_hw, abs<mode>2_hw, *nabs<mode>2_hw,
5929 *fma<mode>4_hw, *fms<mode>4_hw, *nfma<mode>4_hw, *nfms<mode>4_hw,
5930 extend<SFDF:mode><IEEE128:mode>2_hw, trunc<mode>df2_hw,
5931 *xscvqp<su>wz_<mode>, *xscvqp<su>dz_<mode>, *xscv<su>dqp_<mode>,
5932 *trunc<mode>df2_odd): Set size attribute to '128'.
5933 (*cmp<mode>_hw): Change type to veccmp and set size attribute to '128'.
5934 * config/rs6000/power6.md (power6-fp): Include dfp type.
5935 * config/rs6000/power7.md (power7-fp): Likewise.
5936 * config/rs6000/power8.md (power8-fp): Likewise.
5937 * config/rs6000/power9.md: New file.
5938 * config/rs6000/t-rs6000 (MD_INCLUDES): Add power9.md.
5939 * config/rs6000/htm.md (*tabort, *tabort<wd>c, *tabort<wd>ci,
5940 *trechkpt, *treclaim, *tsr, *ttest): Change type attribute to
5942 * config/rs6000/dfp.md (extendsddd2, truncddsd2, extendddtd2,
5943 trunctddd2, adddd3, addtd3, subdd3, subtd3, muldd3, multd3, divdd3,
5944 divtd3, *cmpdd_internal1, *cmptd_internal1, floatdidd2, floatditd2,
5945 ftruncdd2, fixdddi2, ftrunctd2, fixtddi2, dfp_ddedpd_<mode>,
5946 dfp_denbcd_<mode>, dfp_dxex_<mode>, dfp_diex_<mode>, dfp_dscli_<mode>,
5947 dfp_dscri_<mode>): Change type attribute to dfp.
5948 * config/rs6000/crypto.md (crypto_vshasigma<CR_char>): Change type
5949 attribute to vecsimple.
5950 * config/rs6000/rs6000.c (power9_cost): Update costs, cache size
5951 and prefetch streams.
5952 (rs6000_option_override_internal): Remove temporary code setting
5953 tuning to power8. Don't set rs6000_sched_groups for power9.
5954 (last_scheduled_insn): Change to rtx_insn *.
5955 (divide_cnt, vec_load_pendulum): New variables.
5956 (rs6000_adjust_cost): Add Power9 to test for store->load separation.
5957 (rs6000_issue_rate): Set issue rate for Power9.
5958 (is_power9_pairable_vec_type): New.
5959 (power9_sched_reorder2): New.
5960 (rs6000_sched_reorder2): Call new function for Power9 specific
5962 (insn_must_be_first_in_group): Remove Power9.
5963 (insn_must_be_last_in_group): Likewise.
5964 (force_new_group): Likewise.
5965 (rs6000_sched_init): Fix initialization of last_scheduled_insn.
5966 Initialize divide_cnt/vec_load_pendulum.
5967 (_rs6000_sched_context, rs6000_init_sched_context,
5968 rs6000_set_sched_context): Handle context save/restore of new
5971 2016-06-28 Richard Biener <rguenther@suse.de>
5973 * tree-ssa-alias.c (nonoverlapping_component_refs_of_decl_p):
5974 Properly handle DECL_BIT_FIELD_REPRESENTATIVE occuring as
5975 COMPONENT_REF operand.
5976 (nonoverlapping_component_refs_p): Likewise.
5977 * stor-layout.c (start_bitfield_representative): Mark
5978 DECL_BIT_FIELD_REPRESENTATIVE as DECL_NONADDRESSABLE_P.
5980 2016-06-28 Jakub Jelinek <jakub@redhat.com>
5982 * Makefile.in: Don't cat ../stage_current if it does not exist.
5984 * doc/extend.texi (__builtin_add_overflow_p): Clarify behavior when
5985 last argument is a bit-field.
5987 PR rtl-optimization/71673
5988 * internal-fn.c (expand_arith_overflow_result_store): Use
5989 OPTAB_LIB_WIDEN instead of OPTAB_DIRECT as last argument to
5990 expand_simple_binop.
5993 * builtins.c (expand_ifn_atomic_compare_exchange_into_call,
5994 expand_ifn_atomic_compare_exchange): New functions.
5995 * internal-fn.c (expand_ATOMIC_COMPARE_EXCHANGE): New function.
5996 * tree.h (build_call_expr_internal_loc): Rename to ...
5997 (build_call_expr_internal_loc_array): ... this. Fix up type of
5999 * internal-fn.def (ATOMIC_COMPARE_EXCHANGE): New internal fn.
6000 * predict.c (expr_expected_value_1): Handle IMAGPART_EXPR of
6001 ATOMIC_COMPARE_EXCHANGE result.
6002 * builtins.h (expand_ifn_atomic_compare_exchange): New prototype.
6003 * gimple-fold.h (optimize_atomic_compare_exchange_p,
6004 fold_builtin_atomic_compare_exchange): New prototypes.
6005 * gimple-fold.c (optimize_atomic_compare_exchange_p,
6006 fold_builtin_atomic_compare_exchange): New functions..
6007 * tree-ssa.c (execute_update_addresses_taken): If
6008 optimize_atomic_compare_exchange_p, ignore &var in 2nd argument
6009 of call when finding addressable vars, and if such var becomes
6010 non-addressable, call fold_builtin_atomic_compare_exchange.
6012 2016-06-27 Segher Boessenkool <segher@kernel.crashing.org>
6015 * config/rs6000/rs6000.md (ashdi3_extswsli_dot): Use
6016 gen_ashdi3_extswsli_dot2 instead of gen_ashdi3_extswsli_dot.
6018 2016-06-27 Pat Haugen <pthaugen@us.ibm.com>
6020 * config/rs6000/rs6000.md ('type' attribute): Add
6021 veclogical,veccmpfx,vecexts,vecmove insn types.
6022 (*abs<mode>2_fpr, *nabs<mode>2_fpr, *neg<mode>2_fpr, *extendsfdf2_fpr,
6023 copysign<mode>3_fcpsgn, trunc<mode>df2_internal1, neg<mode>2_internal,
6024 p8_fmrgow_<mode>, pack<mode>): Change type to fpsimple.
6025 (*xxsel<mode>, copysign<mode>3_hard, neg<mode>2_hw, abs<mode>2_hw,
6026 *nabs<mode>2_hw): Change type to vecmove.
6027 (*and<mode>3_internal, *bool<mode>3_internal, *boolc<mode>3_internal,
6028 *boolcc<mode>3_internal, *eqv<mode>3_internal,
6029 *one_cmpl<mode>3_internal, *ieee_128bit_vsx_neg<mode>2_internal,
6030 *ieee_128bit_vsx_abs<mode>2_internal,
6031 *ieee_128bit_vsx_nabs<mode>2_internal, extendkftf2, trunctfkf2,
6032 *ieee128_mfvsrd_64bit, *ieee128_mfvsrd_32bit, *ieee128_mtvsrd_64bit,
6033 *ieee128_mtvsrd_32bit): Change type to veclogical.
6034 (mov<mode>_hardfloat, *mov<mode>_hardfloat32, *mov<mode>_hardfloat64,
6035 *movdi_internal32, *movdi_internal64): Update insn types.
6036 * config/rs6000/vsx.md (*vsx_le_undo_permute_<mode>,
6037 vsx_extract_<mode>): Change type to veclogical.
6038 (*vsx_xxsel<mode>, *vsx_xxsel<mode>_uns): Change type to vecmove.
6039 (vsx_sign_extend_qi_<mode>, *vsx_sign_extend_hi_<mode>,
6040 *vsx_sign_extend_si_v2di): Change type to vecexts.
6041 * config/rs6000/altivec.md (*altivec_mov<mode>, *altivec_movti): Change
6043 (*altivec_eq<mode>, *altivec_gt<mode>, *altivec_gtu<mode>,
6044 *altivec_vcmpequ<VI_char>_p, *altivec_vcmpgts<VI_char>_p,
6045 *altivec_vcmpgtu<VI_char>_p): Change type to veccmpfx.
6046 (*altivec_vsel<mode>, *altivec_vsel<mode>_uns): Change type to vecmove.
6047 * config/rs6000/dfp.md (*negdd2_fpr, *absdd2_fpr, *nabsdd2_fpr,
6048 negtd2, *abstd2_fpr, *nabstd2_fpr): Change type to fpsimple.
6049 * config/rs6000/40x.md (ppc405-float): Add fpsimple.
6050 * config/rs6000/440.md (ppc440-fp): Add fpsimple.
6051 * config/rs6000/476.md (ppc476-fp): Add fpsimple.
6052 * config/rs6000/601.md (ppc601-fp): Add fpsimple.
6053 * config/rs6000/603.md (ppc603-fp): Add fpsimple.
6054 * config/rs6000/6xx.md (ppc604-fp): Add fpsimple.
6055 * config/rs6000/7xx.md (ppc750-fp): Add fpsimple.
6056 (ppc7400-vecsimple): Add veclogical, vecmove, veccmpfx.
6057 * config/rs6000/7450.md (ppc7450-fp): Add fpsimple.
6058 (ppc7450-vecsimple): Add veclogical, vecmove.
6059 (ppc7450-veccmp): Add veccmpfx.
6060 * config/rs6000/8540.md (ppc8540_simple_vector): Add veclogical,
6062 (ppc8540_vector_compare): Add veccmpfx.
6063 * config/rs6000/a2.md (ppca2-fp): Add fpsimple.
6064 * config/rs6000/cell.md (cell-fp): Add fpsimple.
6065 (cell-vecsimple): Add veclogical, vecmove.
6066 (cell-veccmp): Add veccmpfx.
6067 * config/rs6000/e300c2c3.md (ppce300c3_fp): Add fpsimple.
6068 * config/rs6000/e6500.md (e6500_vecsimple): Add veclogical, vecmove,
6070 * config/rs6000/mpc.md (mpccore-fp): Add fpsimple.
6071 * config/rs6000/power4.md (power4-fp): Add fpsimple.
6072 (power4-vecsimple): Add veclogical, vecmove.
6073 (power4-veccmp): Add veccmpfx.
6074 * config/rs6000/power5.md (power5-fp): Add fpsimple.
6075 * config/rs6000/power6.md (power6-fp): Add fpsimple.
6076 (power6-vecsimple): Add veclogical, vecmove.
6077 (power6-veccmp): Add veccmpfx.
6078 * config/rs6000/power7.md (power7-fp): Add fpsimple.
6079 (power7-vecsimple): Add veclogical, vecmove, veccmpfx.
6080 * config/rs6000/power8.md (power8-fp): Add fpsimple.
6081 (power8-vecsimple): Add veclogical, vecmove, veccmpfx.
6082 * config/rs6000/rs64.md (rs64a-fp): Add fpsimple.
6083 * config/rs6000/titan.md (titan_fp): Add fpsimple.
6084 * config/rs6000/xfpu.md (fp-default, fp-addsub-s, fp-addsub-d): Add
6086 * config/rs6000/rs6000.c (rs6000_adjust_cost): Add TYPE_FPSIMPLE.
6088 2016-06-27 Peter Bergner <bergner@vnet.ibm.com>
6091 * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Add
6092 OPTION_MASK_P9_DFORM_VECTOR.
6093 * config/rs6000/rs6000.c (rs6000_option_override_internal): Do not
6094 disable -mpower9-dform-vector when using reload.
6095 (quad_address_p): Remove 'gpr_p' argument and all associated code.
6096 New 'strict' argument. Update all callers. Add strict addressing
6098 (rs6000_legitimate_offset_address_p): Remove call to
6099 virtual_stack_registers_memory_p.
6100 (rs6000_legitimize_reload_address): Add quad address support.
6101 (rs6000_legitimate_address_p): Move call to quad_address_p above
6102 call to virtual_stack_registers_memory_p. Adjust quad_address_p args
6103 to account for new strict usage.
6104 (rs6000_output_move_128bit): Adjust quad_address_p args to account
6105 for new strict usage.
6106 * config/rs6000/predicates.md (quad_memory_operand): Likewise.
6108 2016-06-26 Uros Bizjak <ubizjak@gmail.com>
6115 * config/i386/i386.c (ix86_spill_class): Disable condition to
6116 always return NO_REGS.
6118 2016-06-26 Jan Hubicka <hubicka@ucw.cz>
6120 * predict.c: Include gimple-pretty-print.h
6121 (predicted_by_loop_heuristics_p): Check also
6122 PRED_LOOP_EXIT_WITH_RECURSION
6123 (predict_loops): Find self recursive calls and use special purpose
6124 predictors for them; dump log about decisions.
6125 (pass_profile::execute): Dump info about #of iterations.
6126 * predict.def (PRED_LOOP_EXIT_WITH_RECURSION,
6127 (PRED_LOOP_GUARD_WITH_RECURSION): New predictors.
6129 2016-06-26 John David Anglin <danglin@gcc.gnu.org>
6131 * config/pa/pa.c (pa_output_indirect_call): Rework to combine
6132 output_asm_insn calls and shorten long lines. Output .CALL
6133 argument descriptor using pa_output_arg_descriptor. Add various
6134 inline $$dyncall and other optimizations.
6135 (pa_attr_length_indirect_call): Adjust ordering and lengths.
6137 2016-06-25 Jakub Jelinek <jakub@redhat.com>
6139 PR tree-optimization/71643
6140 * tree-ssa-tail-merge.c (find_clusters_1): Ignore basic blocks with
6143 * tree-ssa-tail-merge.c (deps_ok_for_redirect_from_bb_to_bb): Don't
6144 leak a bitmap if dep_bb is NULL.
6146 PR tree-optimization/71631
6147 * tree-ssa-reassoc.c (reassociate_bb): Pass true as last argument
6148 to rewrite_expr_tree even if negate_result, move new_lhs var
6149 declaration and initialization earlier, for powi_result set afterwards
6150 new_lhs to lhs. For negate_result, use new_lhs instead of tmp
6151 if new_lhs != lhs, and don't shadow gsi var.
6153 2016-06-24 Jan Hubicka <hubicka@ucw.cz>
6155 * predict.c (predict_paths_leading_to, predict_paths_leading_to_edge):
6156 Add in_loop parameter.
6157 (predict_loops): Add loop guard heuristics.
6158 * predict.def (PRED_LOOP_GUARD): New heuristics.
6160 2016-06-24 Jan Hubicka <hubicka@ucw.cz>
6162 * predict.c: Include ipa-utils.h
6163 (tree_bb_level_prediction): Predict recursive calls.
6164 (tree_estimate_probability_bb): Skip inexpensive calls for call
6166 * predict.def (PRED_RECURSIVE_CALL): New.
6168 2016-06-24 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
6170 * config/rs6000/rs6000-builtin.def (BU_FLOAT128_2): New #define.
6171 (BU_FLOAT128_1): Likewise.
6173 (COPYSIGNQ): Likewise.
6174 (RS6000_BUILTIN_NANQ): Likewise.
6175 (RS6000_BUILTIN_NANSQ): Likewise.
6176 (RS6000_BUILTIN_INFQ): Likewise.
6177 (RS6000_BUILTIN_HUGE_VALQ): Likewise.
6178 * config/rs6000/rs6000.c (rs6000_fold_builtin): New prototype.
6179 (TARGET_FOLD_BUILTIN): New #define.
6180 (rs6000_builtin_mask_calculate): Add TARGET_FLOAT128 entry.
6181 (rs6000_invalid_builtin): Add handling for RS6000_BTM_FLOAT128.
6182 (rs6000_fold_builtin): New target hook implementation, handling
6183 folding of 128-bit NaNs and infinities.
6184 (rs6000_init_builtins): Initialize const_str_type_node; ensure all
6185 entries are filled in to avoid problems during bootstrap
6186 self-test; define builtins for 128-bit NaNs and infinities.
6187 (rs6000_opt_mask): Add entry for float128.
6188 * config/rs6000/rs6000.h (RS6000_BTM_FLOAT128): New #define.
6189 (RS6000_BTM_COMMON): Include RS6000_BTM_FLOAT128.
6190 (rs6000_builtin_type_index): Add RS6000_BTI_const_str.
6191 (const_str_type_node): New #define.
6192 * config/rs6000/rs6000.md (copysign<mode>3 for IEEE128): Convert
6193 to a define_expand that dispatches to either copysign<mode>3_soft
6194 or copysign<mode>3_hard.
6195 (copysign<mode>3_hard): Rename from copysign<mode>3.
6196 (copysign<mode>3_soft): New define_insn.
6197 * doc/extend.texi: Document new builtins.
6199 2016-06-24 Jakub Jelinek <jakub@redhat.com>
6201 * cfgloop.c (flow_loop_dump): Cast nit to uint64_t and print it using
6202 PRIu64 instead of lu.
6204 2016-06-24 Eric Botcazou <ebotcazou@adacore.com>
6207 * tree-inline.c (remap_decl): When fixing up DECL_ORIGINAL_TYPE, just
6210 2016-06-24 Jakub Jelinek <jakub@redhat.com>
6212 PR tree-optimization/71647
6213 * omp-low.c (lower_rec_input_clauses): Convert
6214 omp_clause_aligned_alignment (c) to size_type_node for the
6215 last argument of __builtin_assume_aligned.
6217 2016-06-24 H.J. Lu <hongjiu.lu@intel.com>
6219 * configure.ac (calling ___tls_get_addr via GOT): New
6220 assembler/linker check.
6221 (HAVE_AS_IX86_TLS_GET_ADDR_GOT): New. Defined to 1 if 32-bit
6222 assembler and linker supports calling ___tls_get_addr via GOT.
6223 Otherise, defined to 0.
6224 * config.in: Regenerated.
6225 * configure: Likewise.
6226 * config/i386/constraints.md (Yb): New constraint.
6227 * config/i386/i386.h (reg_class): Add TLS_GOTBASE_REGS.
6228 (REG_CLASS_NAMES): Likewise.
6229 (REG_CLASS_CONTENTS): Likewise.
6230 * config/i386/i386.md (*tls_global_dynamic_32_gnu): Replace
6231 the b constraint with the Yb constraint. Call ___tls_get_addr
6232 via GOT for GNU TLS with -fno-plt if HAVE_AS_IX86_TLS_GET_ADDR_GOT
6234 (*tls_local_dynamic_base_32_gnu): Likewise.
6235 (*tls_global_dynamic_64_<mode>): Call _tls_get_addr via GOT for
6236 GNU TLS with -fno-plt if HAVE_AS_IX86_TLS_GET_ADDR_GOT is 1.
6237 (*tls_local_dynamic_base_64_<mode>): Likewise.
6239 2016-06-24 Martin Liska <mliska@suse.cz>
6241 * cfgloop.c (flow_loop_dump): Dump average number of loop iterations.
6242 * cfgloop.h: Change 'struct loop' to 'const struct loop' for a
6244 * cfgloopanal.c (expected_loop_iterations_unbounded): Set a new
6245 argument to true if the expected number of iterations is
6248 2016-06-24 Uros Bizjak <ubizjak@gmail.com>
6250 * configure.ac (HAVE_AS_GOTOF_IN_DATA): Use $as_ix86_gas_32_opt to
6251 assemble for 32bit target.
6252 (HAVE_AS_IX86_TLSGDPLT): Use $as_ix86_gas_32_opt to assemble
6253 and $ld_ix86_gld_32_opt to link for 32bit target.
6254 (HAVE_AS_IX86_TLSLDMPLT): Ditto.
6255 * configure: Regenerate.
6257 2016-06-24 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
6259 * config/arm/arm.c (int_log2): Delete definition and prototype.
6260 (shift_op): Use exact_log2 instead of int_log2.
6261 (vfp3_const_double_for_fract_bits): Likewise.
6263 2016-06-24 Jakub Jelinek <jakub@redhat.com>
6265 * internal-fn.c (expand_arith_set_overflow): New function.
6266 (expand_addsub_overflow, expand_neg_overflow, expand_mul_overflow):
6268 (expand_arith_overflow_result_store): Likewise. Handle precision
6269 smaller than mode precision.
6270 * tree-vrp.c (extract_range_basic): For imag part, handle
6271 properly signed 1-bit precision result.
6272 * doc/extend.texi (__builtin_add_overflow): Document that last
6273 argument can't be pointer to enumerated or boolean type.
6274 (__builtin_add_overflow_p): Document that last argument can't
6275 have enumerated or boolean type.
6277 2016-06-23 Michael Meissner <meissner@linux.vnet.ibm.com>
6278 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
6280 * config/rs6000/predicates.md (splat_input_operand): Rework.
6281 Don't allow constants, since the insns that use this predicate
6282 don't support constants. Constants are handled by other insns
6283 that are created via combine. During and after register
6284 allocation, only allow indexed or indirect addresses, and not
6285 general addresses. Only allow modes supported by the hardware.
6286 * config/rs6000/rs6000.c (xxsplitb_constant_p): Update usage
6287 comment. Move check for using VSPLTIS<x> to a common location,
6288 instead of doing it in two different places.
6290 2016-06-23 Jocelyn Mayer <l_indien@magic.fr>
6292 * config/i386/driver-i386.c (host_detect_local_cpu): Set
6293 PROCESSOR_PENTIUMPRO for signature_CENTAUR_ebx family >= 9.
6294 <case PROCESSOR_PENTIMUMPRO>: Pass c7 or nehemiah for
6295 signature_CENTAUR_ebx.
6297 2016-06-23 H.J. Lu <hongjiu.lu@intel.com>
6301 * configure.ac (as_ix86_tls_ldm_opt): Renamed to ...
6302 (as_ix86_gas_32_opt): This.
6303 (ld_ix86_tls_ldm_opt): Renamed to ...
6304 (ld_ix86_gld_32_opt): This.
6305 (R_386_TLS_LDM reloc): Updated.
6306 (R_386_GOT32X reloc): New assembler/linker check.
6307 (HAVE_AS_IX86_GOT32X): New. Defined to 1 if 32-bit assembler and
6308 linker support "jmp *_start@GOT" and "cmpl $0, bar@GOT". Otherise,
6310 * config.in: Regenerated.
6311 * configure: Likewise.
6312 * config/i386/i386.c (ix86_force_load_from_GOT_p): Return
6313 true if HAVE_AS_IX86_GOT32X is 1 in 32-bit mode.
6314 (ix86_legitimate_address_p): Allow UNSPEC_GOT for -fno-plt
6315 if ix86_force_load_from_GOT_p returns true.
6316 (ix86_print_operand_address_as): Also support UNSPEC_GOT if
6317 ix86_force_load_from_GOT_p returns true.
6318 (ix86_expand_move): Generate UNSPEC_GOT in 32-bit mode to load
6319 the external function address via the GOT slot.
6320 (ix86_nopic_noplt_attribute_p): Check both TARGET_64BIT and
6321 HAVE_AS_IX86_GOT32X before returning false.
6322 (ix86_output_call_insn): Generate "%!jmp/call\t*%p0@GOT" in
6323 32-bit mode if ix86_nopic_noplt_attribute_p returns true.
6325 2016-06-23 Eric Botcazou <ebotcazou@adacore.com>
6327 * tree-inline.c (remap_decl): Preserve DECL_ORIGINAL_TYPE invariant.
6329 2016-06-23 Andi Kleen <ak@linux.intel.com>
6331 * Makefile.in: Regenerate.
6332 * doc/install.texi: Document autoprofiledbootstrap.
6334 2016-06-23 Andi Kleen <ak@linux.intel.com>
6336 * config/i386/gcc-auto-profile: New file.
6338 2016-06-23 Martin Liska <mliska@suse.cz>
6341 * predict.c (predict_loops): Revert the hunk that was removed
6344 2016-06-23 Jakub Sejdak <jakub.sejdak@phoesys.com>
6346 * config.gcc: Add support for arm*-*-phoenix* targets.
6347 * config/arm/t-phoenix: New.
6348 * config/phoenix.h: New.
6350 2016-06-23 Uros Bizjak <ubizjak@gmail.com>
6351 H.J. Lu <hongjiu.lu@intel.com>
6354 * config/i386/i386-protos.h (ix86_force_load_from_GOT_p): New.
6355 * config/i386/i386.c (ix86_force_load_from_GOT_p): New function.
6356 (ix86_legitimate_constant_p): Do not allow UNSPEC_GOTPCREL if
6357 ix86_force_load_from_GOT_p returns true.
6358 (ix86_legitimate_address_p): Allow UNSPEC_GOTPCREL if
6359 ix86_force_load_from_GOT_p returns true.
6360 (ix86_print_operand_address_as): Support UNSPEC_GOTPCREL if
6361 ix86_force_load_from_GOT_p returns true.
6362 (ix86_expand_move): Load the external function address via the
6363 GOT slot if ix86_force_load_from_GOT_p returns true.
6364 * config/i386/predicates.md (x86_64_immediate_operand): Return
6365 false for SYMBOL_REFs where ix86_force_load_from_GOT_p returns true.
6366 (x86_64_zext_immediate_operand): Ditto.
6368 2016-06-22 Uros Bizjak <ubizjak@gmail.com>
6370 * config/i386/i386.c (ix86_expand_move): Simplify SYMBOL_REF handling.
6372 2016-06-22 David Malcolm <dmalcolm@redhat.com>
6375 * diagnostic-core.h (pedwarn_at_rich_loc): New prototype.
6376 * diagnostic.c (pedwarn_at_rich_loc): New function.
6377 * spellcheck.h (best_match::best_match): Add a
6378 "best_distance_so_far" optional parameter.
6379 (best_match::set_best_so_far): New method.
6380 (best_match::get_best_distance): New accessor.
6381 (best_match::get_best_candidate_length): New accessor.
6383 2016-06-22 Nick Clifton <nickc@redhat.com>
6385 * dwarf2out.c (scompare_loc_descriptor): Use SCALAR_INT_MODE_P() in
6386 place of GET_MODE_CLASS() == MODE_INT, so that partial integer
6387 modes are accepted as well.
6388 (ucompare_loc_descriptor): Likewise.
6389 (minmax_loc_descriptor): Likewise.
6390 (clz_loc_descriptor): Likewise.
6391 (popcount_loc_descriptor): Likewise.
6392 (bswap_loc_descriptor): Likewise.
6393 (rotate_loc_descriptor): Likewise.
6394 (mem_loc_descriptor): Likewise.
6395 (loc_descriptor): Likewise.
6397 2016-06-22 David Malcolm <dmalcolm@redhat.com>
6399 * common.opt (fdiagnostics-parseable-fixits): New option.
6400 * diagnostic.c: Include "selftest.h".
6401 (print_escaped_string): New function.
6402 (print_parseable_fixits): New function.
6403 (diagnostic_report_diagnostic): Call print_parseable_fixits.
6404 (selftest::assert_print_escaped_string): New function.
6405 (ASSERT_PRINT_ESCAPED_STRING_STREQ): New macro.
6406 (selftest::test_print_escaped_string): New function.
6407 (selftest::test_print_parseable_fixits_none): New function.
6408 (selftest::test_print_parseable_fixits_insert): New function.
6409 (selftest::test_print_parseable_fixits_remove): New function.
6410 (selftest::test_print_parseable_fixits_replace): New function.
6411 (selftest::diagnostic_c_tests): New function.
6412 * diagnostic.h (struct diagnostic_context): Add field
6413 "parseable_fixits_p".
6414 * doc/invoke.texi (Diagnostic Message Formatting Options): Add
6415 -fdiagnostics-parseable-fixits.
6416 (-fdiagnostics-parseable-fixits): New option.
6417 * opts.c (common_handle_option): Handle
6418 -fdiagnostics-parseable-fixits.
6419 * selftest-run-tests.c (selftest::run_tests): Call
6420 selftest::diagnostic_c_tests.
6421 * selftest.h (selftest::diagnostic_c_tests): New prototype.
6423 2016-06-22 Ilya Enkovich <ilya.enkovich@intel.com>
6425 PR tree-optimization/71488
6426 * tree-vect-patterns.c (vect_recog_mask_conversion_pattern): Support
6427 comparison of boolean vectors.
6428 * tree-vect-stmts.c (vectorizable_comparison): Vectorize comparison
6429 of boolean vectors using bitwise operations.
6431 2016-06-22 Andreas Schwab <schwab@suse.de>
6433 * config/aarch64/aarch64-protos.h (aarch64_elf_asm_named_section):
6436 2016-06-22 Eric Botcazou <ebotcazou@adacore.com>
6438 * function.c (assign_parm_setup_reg): Prevent sharing in another case.
6440 2016-06-22 Bernd Edlinger <bernd.edlinger@hotmail.de>
6442 * config/i386/i386.c (print_reg): Emit an error message on attempt to
6445 2016-06-22 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
6447 * config/arm/arm.c (arm_cortex_a73_tune): New struct.
6448 * config/arm/arm-cores.def (cortex-a73): New entry.
6449 (cortex-a73.cortex-a35): Likewise.
6450 (cortex-a73.cortex-a53): Likewise.
6451 * config/arm/arm-tables.opt: Regenerate.
6452 * config/arm/arm-tune.md: Likewise.
6453 * config/arm/bpabi.h (BE8_LINK_SPEC): Handle mcpu=cortex-a73,
6454 mcpu=cortex-a73.cortex-a35 and mcpu=cortex-a73.cortex-a53.
6455 * config/arm/t-aprofile: Handle mcpu=cortex-a73,
6456 mcpu=cortex-a73.cortex-a35 and mcpu=cortex-a73.cortex-a53.
6457 * doc/invoke.texi (ARM Options): Document cortex-a73,
6458 cortex-a73.cortex-a35 and cortex-a73.cortex-a53.
6460 2016-06-22 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
6462 * config/aarch64/aarch64.c (cortexa73_tunings): New struct.
6463 * config/aarch64/aarch64-cores.def (cortex-a73): New entry.
6464 (cortex-a73.cortex-a35): Likewise.
6465 (cortex-a73.cortex-a53): Likewise.
6466 * config/aarch64/aarch64-tune.md: Regenerate.
6467 * doc/invoke.texi (AArch64 Options): Document cortex-a73,
6468 cortex-a73.cortex-a35 and cortex-a73.cortex-a53 arguments to
6471 2016-06-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6473 * configure.ac (gcc_cv_as_compress_debug): Remove
6474 --compress-debug-sections as extra as switch.
6475 Handle gas --compress-debug-sections=type.
6476 (gcc_cv_ld_compess_debug): Remove bogus ld_date check.
6477 Handle gld --compress-debug-sections=type.
6478 * configure: Regenerate.
6480 2016-06-21 Andrew Burgess <andrew.burgess@embecosm.com>
6482 * bb-reorder.c (pass_partition_blocks::gate): Update comment.
6484 2016-06-21 John David Anglin <danglin@gcc.gnu.org>
6486 * gcov-tool.c (profile_rewrite): Use int64_t instead of long long.
6487 (do_rewrite): likewise.
6489 2016-06-21 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
6491 * common/config/mep/mep-common.c: Remove.
6492 * config.gcc: Remove mep-* support.
6493 * config/mep/constraints.md: Remove.
6494 * config/mep/default.h: Remove.
6495 * config/mep/intrinsics.h: Remove.
6496 * config/mep/intrinsics.md: Remove.
6497 * config/mep/ivc2-template.h: Remove.
6498 * config/mep/mep-c5.cpu: Remove.
6499 * config/mep/mep-core.cpu: Remove.
6500 * config/mep/mep-default.cpu: Remove.
6501 * config/mep/mep-ext-cop.cpu: Remove.
6502 * config/mep/mep-intrin.h: Remove.
6503 * config/mep/mep-ivc2.cpu: Remove.
6504 * config/mep/mep-pragma.c: Remove.
6505 * config/mep/mep-protos.h: Remove.
6506 * config/mep/mep.c: Remove.
6507 * config/mep/mep.cpu: Remove.
6508 * config/mep/mep.h: Remove.
6509 * config/mep/mep.md: Remove.
6510 * config/mep/mep.opt: Remove.
6511 * config/mep/predicates.md: Remove.
6512 * config/mep/t-mep: Remove.
6513 * doc/install.texi: Remove mep-* documentation.
6514 * doc/md.texi: Likewise.
6516 2016-06-21 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
6518 * config.gcc: Remove support for avr-rtems.
6519 * config/avr/gen-avr-mmcu-specs.c: Likewise.
6520 * config/avr/rtems.h: Remove.
6521 * config/avr/t-rtems: Remove.
6523 2016-06-21 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
6525 * config.gcc: Remove m32r-rtems support.
6526 * config/m32r/rtems.h: Remove.
6528 2016-06-21 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
6530 * config.gcc: Remove h8300-rtems support.
6531 * config/h8300/rtems.h: Remove.
6532 * config/h8300/t-rtems: Remove.
6534 2016-06-21 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
6536 * config.gcc: Remove support for knetbsd.
6537 * configure.ac: Likewise.
6538 * config/i386/knetbsd-gnu.h: Remove. * config/i386/knetbsd-gnu64.h: Remove.
6539 * config/knetbsd-gnu.h: Remove.
6540 * configure: Regenerate.
6542 2016-06-21 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
6544 * config.gcc: Remove support for openbsd 2 and 3.
6545 * config/openbsd-oldgas.h: Remove.
6547 2016-06-21 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
6549 * config.gcc: Remove interix support.
6550 * config/i386/i386-interix.h: Remove.
6551 * config/i386/interix.opt: Remove.
6552 * config/i386/t-interix: Remove.
6553 * configure: Regenerate.
6554 * configure.ac: Remove interix support.
6555 * doc/install.texi: Remove interix documentation.
6557 2016-06-21 Kelvin Nilsen <kelvin@gcc.gnu.org>
6559 * config/rs6000/rs6000.h: Add conditional preprocessing directives
6560 to disable Power9-specific compiler features if HAVE_AS_POWER9 is
6563 2016-06-21 Eric Botcazou <ebotcazou@adacore.com>
6565 * tree.c (verify_type_variant): Skip TYPE_SIZE and TYPE_SIZE_UNIT if
6566 they are both PLACEHOLDER_EXPRs.
6568 2016-06-21 Michael Meissner <meissner@linux.vnet.ibm.com>
6570 * stor-layout.c (layout_type): Move setting complex MODE to
6571 layout_type, instead of setting it ahead of time by the caller.
6572 * tree.c (build_complex_type): Likewise.
6574 2016-06-21 Martin Liska <mliska@suse.cz>
6576 * predict.c (force_edge_cold): Replace imposisble with
6579 2016-06-21 Ilya Verbin <ilya.verbin@intel.com>
6581 * config/i386/i386.c (ix86_emit_swsqrtsf): Emit vrsqrt28ps.
6582 * config/i386/sse.md (define_expand "rsqrtv16sf2"): New.
6584 2016-06-21 Ilya Verbin <ilya.verbin@intel.com>
6586 * config/i386/i386.c (ix86_emit_swdivsf): Emit vrcp28ps.
6588 2016-06-21 H.J. Lu <hongjiu.lu@intel.com>
6589 Ilya Enkovich <ilya.enkovich@intel.com>
6592 * config/i386/i386.c (timode_scalar_chain::fix_debug_reg_uses):
6593 New member function to convert V1TImode register to SUBREG
6594 TImode in debug insn.
6595 (timode_scalar_chain::convert_insn): Call fix_debug_reg_uses
6596 after changing register mode to V1TImode.
6598 2016-06-21 Virendra Pathak <virendra.pathak@broadcom.com>
6600 * config/aarch64/aarch64-cores.def (vulcan): New core.
6601 * config/aarch64/aarch64-tune.md: Regenerate.
6602 * doc/invoke.texi: Document vulcan as an available option.
6604 2016-06-21 Eric Botcazou <ebotcazou@adacore.com>
6606 * cse.c (canon_asm_operands): New function extracted from...
6607 (canonicalize_insn): ...here. Call it to canonicalize an ASM_OPERANDS
6608 either standalone or member of a PARALLEL.
6610 2016-06-21 Georg-Johann Lay <avr@gjlay.de>
6613 * config/avr/gen-avr-mmcu-specs.c (print_mcu):
6614 [*link_data_start]: Wrap -Tdata into %{!Tdata:...}.
6615 [*link_text_start]: Wrap -Ttext into %{!Ttext:...}.
6617 2016-06-21 Georg-Johann Lay <avr@gjlay.de>
6620 * config/avr/avr.md (movqi): Only handle loading subreg:qi of
6621 constant addresses if can_create_pseudo_p.
6623 2016-06-21 Jakub Jelinek <jakub@redhat.com>
6625 PR tree-optimization/71588
6626 * tree-ssa-strlen.c (valid_builtin_call): New function.
6627 (adjust_last_stmt, handle_builtin_memset, strlen_optimize_stmt): Use
6630 2016-06-20 Jakub Jelinek <jakub@redhat.com>
6633 * tree-ssa-uninit.c (warn_uninit): If EXPR and VAR are NULL,
6634 see if T isn't anonymous SSA_NAME with COMPLEX_EXPR created
6635 for conversion of scalar user var to complex type and use the
6636 underlying SSA_NAME_VAR in that case. If EXPR is still NULL,
6639 PR rtl-optimization/71591
6640 * toplev.c (toplev::run_self_tests): If no_backend, complain and
6641 don't run any tests.
6643 2016-06-20 Hans-Peter Nilsson <hp@axis.com>
6646 * config/cris/cris.c (cris_asm_output_mi_thunk): Add missing "ba"
6647 delay-slot "nop" for PIC with CRIS v32. Also add missing leading
6648 space for PIC with non-v32 and the common non-PIC "jump".
6650 2016-06-20 Jakub Jelinek <jakub@redhat.com>
6653 * config/i386/i386.c (ix86_fp_cmp_code_to_pcmp_immediate): Fix up
6654 returned values and add UN*/LTGT/*ORDERED cases with values matching
6655 D operand modifier on vcmp for AVX.
6657 2016-06-20 Wilco Dijkstra <wdijkstr@arm.com>
6659 * config/aarch64/aarch64.opt
6660 (mpc-relative-literal-loads): Rename internal option name.
6661 * config/aarch64/aarch64.c
6662 (aarch64_nopcrelative_literal_loads): Rename to
6663 aarch64_pcrelative_literal_loads.
6664 (aarch64_expand_mov_immediate): Likewise.
6665 (aarch64_secondary_reload): Likewise.
6666 (aarch64_can_use_per_function_literal_pools_p): Likewise.
6667 (aarch64_override_options_after_change_1): Rename and simplify logic.
6668 (aarch64_classify_symbol): Merge large model checks into switch,
6669 remove pc-relative load check.
6671 2016-06-20 James Greenhalgh <james.greenhalgh@arm.com>
6673 * config/arm/aarch-cost-tables.h (cortexa53_extra_costs): Make FP
6674 costs relative to the cost of a register move.
6676 2016-06-20 James Greenhalgh <james.greenhalgh@arm.com>
6678 * config/aarch64/arm_neon.h (vcvt_n_f64_s64): New.
6679 (vcvt_n_f64_u64): Likewise.
6680 (vcvt_n_s64_f64): Likewise.
6681 (vcvt_n_u64_f64): Likewise.
6682 (vcvt_f64_s64): Likewise.
6683 (vrecpe_f64): Likewise.
6684 (vcvt_f64_u64): Likewise.
6685 (vrecps_f64): Likewise.
6687 2016-06-20 James Greenhalgh <james.greenhalgh@arm.com>
6689 * config/aarch64/aarch64.md
6690 (<FCVT_F2FIXED:fcvt_fixed_insn><GPF:mode>3): Add attributes to
6692 (<FCVT_FIXED2F:fcvt_fixed_insn><GPI:mode>3): Likewise. Correct
6694 * config/aarch64/aarch64-builtins.c
6695 (aarch64_types_binop_uss_qualifiers): Delete.
6696 (TYPES_BINOP_USS): Likewise.
6697 (aarch64_types_binop_sus_qualifiers): Likewise.
6698 (TYPES_BINOP_SUS): Likewise.
6699 (aarch64_types_fcvt_from_unsigned_qualifiers): New.
6700 (TYPES_FCVTIMM_SUS): Likewise.
6701 * config/aarch64/aarch64-simd-builtins.def (scvtf): Use SHIFTIMM
6703 (ucvtf): Use FCVTIMM_SUS rather than BINOP_SUS.
6704 (fcvtzs): Use SHIFTIMM rather than BINOP.
6705 (fcvtzu): Use SHIFTIMM_USS rather than BINOP_USS.
6707 2016-06-20 James Greenhalgh <james.greenhalgh@arm.com>
6709 * config/arm/aarch-cost-tables.h (cortexa57_extra_costs): Make FP
6710 costs relative to the cost of a register move.
6712 2016-06-20 Wilco Dijkstra <wdijkstr@arm.com>
6714 * config/aarch64/aarch64.c (aarch64_modes_tieable_p):
6715 Allow scalar/single vector modes to be tieable.
6717 2016-06-20 Wilco Dijkstra <wdijkstr@arm.com>
6719 * config/arm/cortex-a57.md (cortex_a57_fp_cpys): Add fcsel.
6721 2016-06-20 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
6723 * params.def (PARAM_ALIGN_LOOP_ITERATIONS): Use "alignment" instead of
6725 * tree.h (TYPE_ALIGN): Likewise.
6727 2016-06-20 Georg-Johann Lay <avr@gjlay.de>
6730 * config/avr/avr.md (movqi): Handle loading subreg:qi (const).
6732 2016-06-20 Georg-Johann Lay <avr@gjlay.de>
6734 * config/avr/avr.c (avr_print_operand): Fix "format not a string
6735 literal" build warnings.
6736 (avr_print_operand_address): Dito.
6738 2016-06-19 David Edelsohn <dje.gcc@gmail.com>
6741 * config/rs6000/aix51.h (TARGET_EXTRA_BUILTINS): Define as 0.
6742 * config/rs6000/aix43.h (TARGET_EXTRA_BUILTINS): Same.
6744 2016-06-18 John David Anglin <danglin@gcc.gnu.org>
6746 * config/pa/pa.h (TARGET_LONG_PIC_PCREL_CALL): Remove.
6748 2016-06-18 Eric Botcazou <ebotcazou@adacore.com>
6751 * reload1.c (reload): Pass 0 to finish_spills when called because
6752 update_eliminables_and_spill returns true and remove did_spill.
6753 (finish_spills): Adjust comment and document GLOBAL parameter.
6755 2016-06-17 DJ Delorie <dj@redhat.com>
6758 * config/rl78/rl78-expand.c (umulqihi3): Enable for G10.
6759 * config/rl78/rl78-virtual.c (umulhi3_shift_virt): Likewise.
6760 (umulqihi3_virt): Likewise.
6761 * config/rl78/rl78-real.c (umulhi3_shift_real): Likewise.
6762 (umulqihi3_real): Likewise.
6764 2016-06-17 Martin Liska <mliska@suse.cz>
6766 * tree-ssa-reassoc.c (transform_add_to_multiply): Use auto_vec.
6768 2016-06-17 Martin Liska <mliska@suse.cz>
6770 * predict.def: PRED_LOOP_EXIT from 92 to 85.
6772 2016-06-17 James Greenhalgh <james.greenhalgh@arm.com>
6774 * config/arm/arm_neon.h (vadd_f32): replace __FAST_MATH with
6776 (vaddq_f32): Likewise.
6777 (vmul_f32): Likewise.
6778 (vmulq_f32): Likewise.
6779 (vsub_f32): Likewise.
6780 (vsubq_f32): Likewise.
6782 2016-06-17 Bin Cheng <bin.cheng@arm.com>
6784 PR tree-optimization/71347
6785 * tree-ssa-loop-ivopts.c (determine_group_iv_cost_address): Compute
6786 cost for all uses in group.
6788 2016-06-17 Bin Cheng <bin.cheng@arm.com>
6790 * tree-vect-loop.c (vect_create_epilog_for_reduction): Only
6791 insert gimple seq if it's not empty.
6793 2016-06-17 Bin Cheng <bin.cheng@arm.com>
6795 * tree-vectorizer.h (struct dr_with_seg_len): Remove class
6797 * tree-vect-data-refs.c (operator ==): Handle DR_OFFSET directly,
6799 (comp_dr_with_seg_len_pair): Ditto.
6800 (vect_prune_runtime_alias_test_list): Ditto. Also Canonicalize
6801 struct dr_with_seg_len_pair against DR_OFFSET.
6802 * tree-vect-loop-manip.c (vect_create_cond_for_alias_checks): Handle
6805 2016-06-17 Szabolcs Nagy <szabolcs.nagy@arm.com>
6807 * config/aarch64/geniterators.sh: Handle parenthesised conditions.
6809 2016-06-16 John David Anglin <danglin@gcc.gnu.org>
6811 * config/pa/pa.c (pa_output_pic_pcrel_sequence): New.
6812 (pa_output_lbranch): Use pa_output_pic_pcrel_sequence.
6813 (pa_output_millicode_call): Likewise.
6814 (pa_output_call): Likewise.
6815 (pa_output_indirect_call): Likewise.
6816 (pa_asm_output_mi_thunk): Likewise.
6818 2016-06-16 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
6820 * doc/invoke.texi (x86 Options): Fix -mno-fp-ret-in-387 typo.
6822 2016-06-16 Martin Liska <mliska@suse.cz>
6824 * predict.c (combine_predictions_for_insn): When we find a first
6825 match predictor, we should consider just predictors with
6826 PRED_FLAG_FIRST_MATCH. Print either first match (if any) or
6827 DS theory predictor.
6828 (combine_predictions_for_bb): Likewise.
6830 2016-06-16 Jakub Jelinek <jakub@redhat.com>
6832 * gimplify.c (gimplify_scan_omp_clauses): Handle COMPONENT_REFs
6833 with base of reference to struct.
6835 2016-06-16 Uros Bizjak <ubizjak@gmail.com>
6837 * doc/invoke.texi (x86 Options): Document -m80387 and -mhard-float.
6839 2016-06-16 Senthil Kumar Selvaraj <senthil_kumar.selvaraj@atmel.com>
6842 * config/avr/avr.c (avr_asm_init_sections): Remove setup of
6843 progmem_swtable_section.
6844 (progmem_swtable_section): Remove.
6845 (avr_asm_function_rodata_section): Remove.
6846 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
6847 * config/avr/avr.h (JUMP_TABLES_IN_TEXT_SECTION: Define to 1.
6849 2016-06-16 Jocelyn Mayer <l_indien@magic.fr>
6851 * config/i386/driver-i386.c (host_detect_local_cpu): Set
6852 PROCESSOR_K8 for signature_CENTAUR_ebx with has_longmode.
6853 <case PROCESSOR_K8>: Pass nano-3000, nano, eden-x2 or k8 for
6854 signature_CENTAUR_ebx.
6855 * config/i386/i386.c (ix86_option_override_internal): Add
6856 definitions for VIA c7, samuel-2, nehemiah, esther, eden-x2, eden-x4,
6857 nano, nano-1000, nano-2000, nano-3000, nano-x2 and nano-x4.
6858 * doc/invoke.texi (x86 Options): Document new VIA -march entries.
6860 2016-06-16 Martin Liska <mliska@suse.cz>
6862 * predict.def: Add fortran loop preheader predictor.
6863 * gimple-fold.c (gimple_fold_stmt_to_constant_1): Properly
6864 fold IFN_BUILTIN_EXPECT with a known constant argument.
6866 2016-06-16 Martin Liska <mliska@suse.cz>
6868 * predict.def: Add 'Fortran' to display text of all
6869 PRED_FORTRAN_* predictors.
6871 2016-06-16 Uros Bizjak <ubizjak@gmail.com>
6874 * config/ia64/ia64.c (enum ia64_builtins) [IA64_BUILTIN_NANQ]: New.
6875 [IA64_BUILTIN_NANSQ]: Ditto.
6876 (ia64_fold_builtin): New function.
6877 (TARGET_FOLD_BUILTIN): New define.
6878 (ia64_init_builtins) Declare const_string_type node.
6879 Add __builtin_nanq and __builtin_nansq builtin functions.
6880 (ia64_expand_builtin): Handle IA64_BUILTIN_NANQ and IA64_BUILTIN_NANSQ.
6882 2016-06-16 Nick Clifton <nickc@redhat.com>
6884 * config/msp430/msp430-opts.h (msp430_hwmult_types): Add
6885 MSP430_HWMULT_ prefix to enum values.
6886 (msp430_regions): Add MSP430_REGION_ prefix to enum values.
6887 * config/msp430/msp430.c: Update use of enum values.
6888 * config/msp430/msp430.md: Likewise.
6889 * config/msp430/msp430.opt: Likewise.
6891 2016-06-16 Jan Hubicka <hubicka@ucw.cz>
6893 * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Fix estimation
6894 of comparsions in the last iteration.
6896 2016-06-16 Claudiu Zissulescu <claziss@synopsys.com>
6897 Joern Rennecke <joern.rennecke@embecosm.com>
6899 * config/arc/arc.c (arc_print_operand_address): Handle pc-relative
6901 (arc_needs_pcl_p): Add GOTOFFPC.
6902 (arc_legitimate_pic_addr_p): Likewise.
6903 (arc_output_pic_addr_const): Likewise.
6904 (arc_legitimize_pic_address): Generate a pc-relative address using
6906 (arc_output_libcall): Use @pcl syntax.
6907 (arc_delegitimize_address_0): Delegitimize ARC_UNSPEC_GOTOFFPC.
6908 * config/arc/arc.md ("unspec"): Add ARC_UNSPEC_GOTOFFPC.
6909 (*movsi_insn): Use @pcl syntax.
6910 (doloop_begin_i): Likewise.
6912 2016-06-16 Martin Liska <mliska@suse.cz>
6914 * predict.def: Define a new predictor.
6916 2016-06-16 Claudiu Zissulescu <claziss@synopsys.com>
6918 * config/arc/arc.opt (mtp-regno): Update text.
6920 2016-06-16 Renlin Li <renlin.li@arm.com>
6922 * config/aarch64/aarch64.c (aarch64_legitimize_address): Fix a typo.
6924 2016-06-16 Jakub Jelinek <jakub@redhat.com>
6927 * config/i386/i386.md (setcc + movzbl peephole2): Use reg_set_p.
6928 (setcc + and peephole2): Likewise.
6930 PR rtl-optimization/71532
6931 * cse.c (cse_insn): For const/pure calls, invalidate argument passing
6934 2016-06-15 Michael Meissner <meissner@linux.vnet.ibm.com>
6936 * config/rs6000/vsx.md (VSINT_84): Add DImode to enable loading
6937 DImode constants with XXSPLTIB in vector registers.
6938 (vsx_extract_<mode>, V2DImode/V2DFmode): Combine both
6939 vsx_extract_<mode>_internal{1,2} into a single insn that handles
6940 direct move (both ISA 2.07 and ISA 3.0 versions), and optimizes
6941 extraction of the element at the top of the register as a scalar
6943 (vsx_extract_<mode>_internal1): Likewise.
6944 (vsx_extract_<mode>_internal2): Likewise.
6945 * config/rs6000/constraints.md (wi constraint): Remove a comment
6946 about DImode not being allowed in Altivec registers.
6947 (wB constraint): New constraint for constants that can be
6948 generated in Altivec registers with VSPLTISW/VUPKHSW.
6949 * config/rs6000/predicates.md (xxspltib_constant_split): Update
6951 (xxspltib_constant_nosplit): Likewise.
6952 * config/rs6000/rs6000-cpus.def (ISA_2_6_MASKS_SERVER): Add
6953 support for -mupper-regs-di to enable DImode to go into Altivec
6955 (POWERPC_MASKS): Likewise.
6956 (power7 cpu): Likewise.
6957 * config/rs6000/rs6000.opt (-mupper-regs-di): Likewise.
6958 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Add support
6959 for DImode being allowed in Altivec registers. Update wi/wj
6960 constraints. Set scalar_in_vmx_p flag.
6961 (rs6000_option_override_internal): Add checks for -mupper-regs-di.
6962 (xxspltib_constant_p): Allow CONST_INT's with VOIDmode. Don't
6963 return true if we could use VSPLTISW/VUPKHSW instead of XXSPLTIB.
6964 (rs6000_opt_masks): Add -mupper-regs-di.
6965 * config/rs6000/rs6000.md (lfiwax): Update clobbers that don't use
6966 direct move to use wi and not wj.
6968 (floatsi<mode>2_lfiwax_mem): Combine alternatives into a single
6970 (floatunssi<mode>2_lfiwzx_mem): Likewise.
6971 (fix_trunc<mode>di2_fctidz): Change second alternative to allow
6972 any VSX register, instead of just Altivec registers, to allow
6973 either operand to be an Altivec register or both.
6974 (fixuns_trunc<mode>di2_fctiduz): Likewise.
6975 (movdi_internal32): Add support for -mupper-regs-di. Add support
6976 to load constants via XXSPLTIB or VSPLTISW. Add spacing to allow
6977 the alternatives and attributes to be lined up to be easier to
6979 (movdi_internal64): Likewise.
6980 (64-bit DImode splitters): Change predicates to only split loading
6981 up GPR registers. Add splits for using XXSPLTIB or VSPLTISW to
6982 load constants in ISA 3.0 or ISA 2.07 respectively.
6983 * doc/invoke.texi (RS/6000 and PowerPC Options): Document
6984 -mupper-regs-di. Update -mupper-regs-df and -mupper-regs-sf to
6985 mention -mcpu=power9 sets these options.
6986 * doc/md.texi (PowerPC and IBM RS6000 constraints): Document the
6989 2016-06-15 Pitchumani Sivanupandi <pitchumani.s@atmel.com>
6992 * config/avr/avr.c (avr_set_current_function): Warn misspelled
6993 interrupt/ signal handler if -Wmisspelled-isr flag is enabled.
6994 * config/avr/avr.opt (Wmisspelled-isr): New warning flag. Enabled
6995 by default to warn misspelled interrupt/ signal handler.
6996 * doc/invoke.texi (AVR Options): Document it. Update description
6997 for -nodevicelib option.
6999 2016-06-15 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
7001 * config/aarch64/aarch64-simd.md (aarch64_<sur>shll_n<mode>): Clean
7002 up parentheses. Use GET_MODE_UNIT_BITSIZE.
7003 (aarch64_<sur>shll2_n<mode>): Likewise.
7005 2016-06-15 Ilya Enkovich <ilya.enkovich@intel.com>
7008 * ipa-chkp.c (chkp_build_instrumented_fndecl): Fix
7009 DECL_CONTEXT for copied arguments.
7011 2016-06-15 Alan Hayward <alan.hayward@arm.com>
7013 PR tree-optimization/71483
7014 * tree-vect-loop.c (vectorizable_live_operation): Pick correct index
7017 2016-06-15 Martin Liska <mliska@suse.cz>
7019 * predict.c (tree_predict_by_opcode): Call predict_edge_def
7020 instead of predict_edge w/o a probability.
7022 2016-06-15 Alan Hayward <alan.hayward@arm.com>
7024 PR tree-optimization/71439
7025 * tree-vect-loop.c (vect_analyze_loop_operations): Additional check for
7028 2016-06-15 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
7030 * ifcvt.c (bb_ok_for_noce_multiple_sets): Allow simple lowpart
7031 register subregs in SET_SRC.
7033 2016-06-15 Richard Biener <rguenther@suse.de>
7035 * tree-vect-stmts.c (vectorizable_store): Remove strided grouped
7038 2016-06-15 Richard Biener <rguenther@suse.de>
7040 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence): Do
7041 not consider dependences between accesses that belong to the
7043 (vect_analyze_data_ref_dependences): Do not analyze read-read
7044 or self-dependences.
7046 2016-06-14 David Malcolm <dmalcolm@redhat.com>
7048 * spellcheck-tree.c: Include spellcheck-tree.h rather than
7050 (find_closest_identifier): Reimplement in terms of
7051 best_match<tree,tree>.
7052 * spellcheck-tree.h: New file.
7053 * spellcheck.c (struct edit_distance_traits<const char *>): New
7055 (find_closest_string): Reimplement in terms of
7056 best_match<const char *, const char *>.
7057 * spellcheck.h (levenshtein_distance): Move prototype of tree-based
7058 overload to spellcheck-tree.h.
7059 (find_closest_identifier): Likewise.
7060 (struct edit_distance_traits<T>): New template.
7061 (class best_match): New class.
7063 2016-06-14 David Malcolm <dmalcolm@redhat.com>
7065 * selftest-run-tests.c (selftest::run_tests): Call
7066 selftest::spellcheck_tree_c_tests.
7067 * selftest.h (selftest::spellcheck_tree_c_tests): New decl.
7068 * spellcheck-tree.c: Include selftest.h and stringpool.h.
7069 (selftest::test_find_closest_identifier): New function.
7070 (selftest::spellcheck_tree_c_tests): New function.
7071 * spellcheck.c (selftest::test_find_closest_string): Verify that
7072 the order of the vec does not affect the results for this case.
7073 (selftest::test_data): New array.
7074 (selftest::test_metric_conditions): New function.
7075 (selftest::spellcheck_c_tests): Add a test of case-comparison.
7076 Call selftest::test_metric_conditions.
7078 2016-06-14 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
7080 * config/rs6000/rs6000-builtin.def (commentary): Typo.
7081 (BU_P9_MISC_1): Likewise.
7082 (BU_P9_64BIT_MISC_0): Likewise.
7083 (BU_P9_MISC_0): Likewise.
7085 2016-06-14 David Malcolm <dmalcolm@redhat.com>
7087 * gcc-rich-location.c
7088 (gcc_rich_location::add_fixit_misspelled_id): New method.
7089 * gcc-rich-location.h
7090 (gcc_rich_location::add_fixit_misspelled_id): Add decl.
7092 2016-06-14 Andreas Tobler <andreast@gcc.gnu.org>
7094 * config/arm/freebsd.h: Only enable unaligned access for armv6 on
7095 FreeBSD 11 and above.
7097 2016-06-14 Uros Bizjak <ubizjak@gmail.com>
7099 * config/i386/i386.md (signbittf2): Emit sse_movmskps for TARGET_SSE.
7101 2016-06-14 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
7103 * expmed.h: Close parenthesis in "at your option" in copyright
7105 * lower-subreg.h: Likewise.
7107 2016-06-14 Richard Biener <rguenther@suse.de>
7110 * genmatch.c (expr::gen_transform): Use in_type for comparisons
7113 2015-06-14 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
7115 * config/aarch64/aarch64.c (aarch64_mask_and_shift_for_ubfiz_p):
7117 (aarch64_rtx_costs): Use it. Rewrite CONST_INT_P (op1) case to handle
7119 * config/aarch64/aarch64-protos.h (aarch64_mask_and_shift_for_ubfiz_p):
7121 * config/aarch64/aarch64.md (*andim_ashift<mode>_bfiz): Replace
7122 matching condition with aarch64_mask_and_shift_for_ubfiz_p.
7124 2016-06-14 Richard Biener <rguenther@suse.de>
7126 PR tree-optimization/71522
7127 * tree-ssa.c (non_rewritable_lvalue_p): Do not rewrite non-float
7128 copying into float copying.
7130 2016-06-14 Jakub Jelinek <jakub@redhat.com>
7132 PR tree-optimization/71520
7133 * tree-ssa-tail-merge.c (find_duplicate): Handle labels.
7134 (replace_block_by): Move user labels from bb1 to bb2.
7136 2016-06-14 Richard Biener <rguenther@suse.de>
7140 * expr.h (get_bit_range): Declare.
7141 * expr.c (get_bit_range): Export.
7142 * fold-const.c (optimize_bit_field_compare): Use get_bit_range and
7143 word_mode again to constrain the bitfield access.
7145 2016-06-14 Richard Biener <rguenther@suse.de>
7147 PR tree-optimization/71521
7148 * tree-vrp.c (extract_range_from_binary_expr_1): Guard
7149 division int_const_binop against zero divisor.
7151 2016-06-13 Uros Bizjak <ubizjak@gmail.com>
7153 * config/i386/i386.md (signbittf2): New expander.
7154 * config/i386/sse.md (ptesttf2): New insn pattern.
7156 2016-06-13 David Malcolm <dmalcolm@redhat.com>
7159 * input.c (selftest::test_reading_source_line): Avoid reading from
7160 __FILE__ by creating a tempfile with known content and reading
7163 2016-06-13 David Malcolm <dmalcolm@redhat.com>
7165 * pretty-print.c (assert_pp_format_colored): Skip the test if
7167 (test_pp_format): Remove comment about GCC_COLORS.
7169 2016-06-13 David Malcolm <dmalcolm@redhat.com>
7171 * input.c (test_reading_source_line): Use SELFTEST_LOCATION.
7172 * pretty-print.c (assert_pp_format_va): Add location param and use
7173 it with ASSERT_STREQ_AT.
7174 (assert_pp_format): Add location param and pass it to
7175 assert_pp_format_va.
7176 (assert_pp_format_colored): Likewise.
7177 (ASSERT_PP_FORMAT_1): New.
7178 (ASSERT_PP_FORMAT_2): New.
7179 (ASSERT_PP_FORMAT_3): New.
7180 (test_pp_format): Provide SELFTEST_LOCATION throughout, either
7181 explicitly, or implicitly via the above macros.
7182 * selftest.c (selftest::pass): Use a selftest::location rather
7184 (selftest::fail): Likewise. Print the function name.
7185 (selftest::fail_formatted): Likewise.
7186 (selftest::assert_streq): Use a selftest::location rather than
7188 * selftest.h (selftest::location): New struct.
7189 (SELFTEST_LOCATION): New macro.
7190 (selftest::pass): Accept a const location & rather than file
7192 (selftest::fail): Likewise.
7193 (selftest::fail_formatted): Likewise.
7194 (selftest::assert_streq): Likewise.
7195 (ASSERT_TRUE): Update for above changes, using SELFTEST_LOCATION.
7196 (ASSERT_FALSE): Likewise.
7197 (ASSERT_EQ): Likewise.
7198 (ASSERT_NE): Likewise.
7199 (ASSERT_STREQ): Likewise.
7200 (ASSERT_PRED1): Likewise.
7201 (ASSERT_STREQ_AT): New macro.
7203 2016-06-13 David Malcolm <dmalcolm@redhat.com>
7205 * selftest.c (selftest::fail_formatted): New function.
7206 (selftest::assert_streq): New function.
7207 * selftest.h (selftests::fail_formatted): New decl.
7208 (selftest::assert_streq): New decl.
7209 (ASSERT_STREQ): Reimplement in terms of selftest::assert_streq.
7211 2016-06-13 Jeff Law <law@redhat.com>
7213 PR tree-optimization/71403
7214 * tree-ssa-threadbackward.c
7215 (convert_and_register_jump_thread_path): No longer accept reference
7216 to path. Do not pop items off the path anymore.
7217 (fsm_find_control_statement_thread_paths): Do not allow threading
7218 to a deeper loop nest. Pop the last item off the path here rather
7219 than in convert_and_register_jump_thread_path.
7221 2016-06-13 Evandro Menezes <e.menezes@samsung.com>
7222 Wilco Dijkstra <Wilco.Dijkstra@arm.com>
7224 [AArch64] Emit division using the Newton series
7226 * config/aarch64/aarch64-protos.h
7227 (cpu_approx_modes): Add new member "division".
7228 (aarch64_emit_approx_div): Declare new function.
7229 * config/aarch64/aarch64.c
7230 (generic_approx_modes): New member "division".
7231 (exynosm1_approx_modes): Likewise.
7232 (xgene1_approx_modes): Likewise.
7233 (aarch64_emit_approx_div): Define new function.
7234 * config/aarch64/aarch64.md ("div<mode>3"): New expansion.
7235 * config/aarch64/aarch64-simd.md ("div<mode>3"): Likewise.
7236 * config/aarch64/aarch64.opt (-mlow-precision-div): Add new option.
7237 * doc/invoke.texi (-mlow-precision-div): Describe new option.
7239 2016-06-13 Evandro Menezes <e.menezes@samsung.com>
7240 Wilco Dijkstra <wilco.dijkstra@arm.com>
7242 [AArch64] Emit square root using the Newton series
7244 * config/aarch64/aarch64-protos.h
7245 (aarch64_emit_approx_rsqrt): Replace with new function
7246 "aarch64_emit_approx_sqrt".
7247 (cpu_approx_modes): New member "sqrt".
7248 * config/aarch64/aarch64.c
7249 (generic_approx_modes): New member "sqrt".
7250 (exynosm1_approx_modes): Likewise.
7251 (xgene1_approx_modes): Likewise.
7252 (aarch64_emit_approx_rsqrt): Replace with new function
7253 "aarch64_emit_approx_sqrt".
7254 (aarch64_override_options_after_change_1): Handle new option.
7255 * config/aarch64/aarch64-simd.md
7256 (rsqrt<mode>2): Use new function instead.
7257 (sqrt<mode>2): New expansion and insn definitions.
7258 * config/aarch64/aarch64.md: Likewise.
7259 * config/aarch64/aarch64.opt
7260 (mlow-precision-sqrt): Add new option description.
7261 * doc/invoke.texi (mlow-precision-sqrt): Likewise.
7263 2016-06-13 Evandro Menezes <e.menezes@samsung.com>
7265 [AArch64] Add more choices for the reciprocal square root approximation
7267 Allow a target to prefer such operation depending on the operation mode.
7269 * config/aarch64/aarch64-protos.h
7270 (AARCH64_APPROX_MODE): New macro.
7271 (AARCH64_APPROX_{NONE,ALL}): Likewise.
7272 (cpu_approx_modes): New structure.
7273 (tune_params): New member "approx_modes".
7274 * config/aarch64/aarch64-tuning-flags.def
7275 (AARCH64_EXTRA_TUNE_APPROX_RSQRT): Remove macro.
7276 * config/aarch64/aarch64.c
7277 (generic_approx_modes): New core "cpu_approx_modes" structure.
7278 (exynosm1_approx_modes): Likewise.
7279 (xgene1_approx_modes): Likewise.
7280 (generic_tunings): New member "approx_modes".
7281 (cortexa35_tunings): Likewise.
7282 (cortexa53_tunings): Likewise.
7283 (cortexa57_tunings): Likewise.
7284 (cortexa72_tunings): Likewise.
7285 (exynosm1_tunings): Likewise.
7286 (thunderx_tunings): Likewise.
7287 (xgene1_tunings): Likewise.
7288 (use_rsqrt_p): New argument for the mode and use new member from
7290 (aarch64_builtin_reciprocal): Devise mode from builtin.
7291 (aarch64_optab_supported_p): New argument for the mode.
7292 * doc/invoke.texi (-mlow-precision-recip-sqrt): Reword description.
7294 2016-06-13 Kelvin Nilsen <kelvin@gcc.gnu.org>
7296 * config/rs6000/rs6000.h (RS6000_BTM_COMMON): Add the
7297 RS6000_BTM_MODULO flag into the set of flags that are considered
7298 to be part of the common configuration.
7300 2016-06-13 Kelvin Nilsen <kelvin@gcc.gnu.org>
7302 * config/rs6000/altivec.h (vec_absd): New macro for vector absolute
7303 difference unsigned.
7304 (vec_absdb): New macro for vector absolute difference unsigned
7306 (vec_absdh): New macro for vector absolute difference unsigned
7308 (vec_absdw): New macro for vector absolute difference unsigned word.
7309 * config/rs6000/altivec.md (UNSPEC_VADU): New value.
7310 (vadu<mode>3): New insn.
7311 (*p9_vadu<mode>3): New insn.
7312 * config/rs6000/rs6000-builtin.def (vadub): New built-in
7314 (vaduh): New built-in definition.
7315 (vaduw): New built-in definition.
7316 (vadu): New overloaded built-in definition.
7317 (vadub): New overloaded built-in definition.
7318 (vaduh): New overloaded built-in definition.
7319 (vaduw): New overloaded built-in definition.
7320 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
7321 overloaded vector absolute difference unsigned functions.
7322 * doc/extend.texi (PowerPC AltiVec Built-in Functions): Document
7323 the ISA 3.0 vector absolute difference unsigned built-in functions.
7325 2016-06-13 Eric Botcazou <ebotcazou@adacore.com>
7327 * tree-ssa-sccvn.c (vn_reference_lookup_3): Use a uniform test and
7328 update shared_lookup_references only once after changing operands.
7330 2016-06-13 Thomas Schwinge <thomas@codesourcery.com>
7333 * tree-nested.c (convert_nonlocal_omp_clauses)
7334 (convert_local_omp_clauses): Document missing OMP_CLAUSE_*.
7336 * tree-cfg.c (edge_to_cases_cleanup): Fix CASE_CHAIN typo.
7337 * tree.def (CASE_LABEL_EXPR): Likewise.
7339 2016-06-13 Bernd Edlinger <bernd.edlinger@hotmail.de>
7342 * input.c (test_builtins): Fix an assertion.
7344 2016-06-13 Uros Bizjak <ubizjak@gmail.com>
7346 * config/i386/i386.md (paritydi2): Use ix86_expand_setcc.
7349 (isinf<mode>2): Ditto.
7351 2016-06-13 Uros Bizjak <ubizjak@gmail.com>
7353 * ggc-tests.c (test_finalization): Only test need_finalization_p
7354 for GCC_VERSION >= 4003.
7356 2016-06-13 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
7358 * config/s390/vecintrin.h: Fix file description in comment.
7360 2016-06-13 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
7362 * config/s390/s390-builtin-types.def: Change builtin type naming
7363 scheme to match builtin-types.def.
7365 2016-06-13 Marc Glisse <marc.glisse@inria.fr>
7367 * fold-const.c (optimize_minmax_comparison): Remove.
7368 (fold_comparison): Remove call to the above.
7369 * match.pd (MIN (X, Y) == X, MIN (X, 5) == 0, MIN (X, C1) < C2):
7370 New transformations.
7372 2016-06-13 Alan Hayward <alan.hayward@arm.com>
7374 PR tree-optimization/71416
7375 * tree-vect-loop.c (vectorizable_live_operation): Let worklist have
7378 2016-06-13 Martin Liska <mliska@suse.cz>
7380 * predict.c (enum predictor_reason): Prefix enum with REASON_.
7381 (combine_predictions_for_insn): Likewise.
7382 (prune_predictions_for_bb): Likewise.
7383 (combine_predictions_for_bb): Likewise.
7385 2016-06-13 Richard Biener <rguenther@suse.de>
7387 PR tree-optimization/71505
7388 * tree-vect-data-refs.c (vect_analyze_data_ref_accesses): Make
7389 assert match comment.
7391 2016-06-13 Marek Polacek <polacek@redhat.com>
7394 * gimplify.c (maybe_warn_switch_unreachable): Factored out of
7395 gimplify_switch_expr.
7396 (warn_switch_unreachable_r): New function.
7398 2016-06-13 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
7401 * config/s390/s390.c (s390_expand_builtin): Increase MAX_ARGS by
7404 2016-06-13 Richard Biener <rguenther@suse.de>
7407 * fold-const.c (fold_unary_loc): Preserve alignment when
7408 folding a VIEW_CONVERT_EXPR into a MEM_REF.
7410 2016-06-13 Martin Liska <mliska@suse.cz>
7413 * toplev.c (process_options): Do not enable -fcheck-pointer-bounds
7414 w/ -fsanitize=bounds.
7416 2016-06-12 Uros Bizjak <ubizjak@gmail.com>
7418 * config/i386/i386.c (ix86_init_builtins): Calculate
7419 FLOAT128_FTYPE_CONST_STRING function type only once.
7420 * doc/extend.texi (x86 Built-in Functions): Update text, __float128
7421 built-in functions are available for x86-32 and x86-64 targets.
7423 2016-06-12 Uros Bizjak <ubizjak@gmail.com>
7426 * config/i386/i386.i386-builtin-types.def (CONST_STRING):
7428 (FLOAT128_FTYPE_CONST_STRING): New function type.
7429 * config/i386/i386.c (enum ix86_builtins) [IX86_BUILTIN_NANQ]: New.
7430 [IX86_BUILTIN_NANSQ]: Ditto.
7431 (ix86_fold_builtin): Handle IX86_BUILTIN_NANQ and IX86_BUILTIN_NANSQ.
7432 (ix86_init_builtin_types): Declare const_string_type_node.
7433 (ix86_init_builtins): Add __builtin_nanq and __builtin_nansq
7435 (ix86_expand_builtin): Handle IX86_BUILTIN_NANQ and IX86_BUILTIN_NANSQ.
7436 * doc/extend.texi (x86 Built-in Functions): Document
7437 __builtin_nanq and __builtin_nansq.
7439 2016-06-11 Jiong Wang <jiong.wang@arm.com>
7442 * config/arm/arm-protos.h (arm_attr_length_pop_multi): New declaration.
7443 * config/arm/arm.c (arm_attr_length_pop_multi): New function to return
7444 length for pop patterns.
7445 (arm_attr_length_push_multi): Update comments.
7446 * config/arm/arm.md (*load_multiple_with_writeback): Set "length"
7448 (*pop_multiple_with_writeback_and_return): Likewise.
7449 (*pop_multiple_with_return): Likewise.
7451 2016-06-11 Segher Boessenkool <segher@kernel.crashing.org>
7454 * fold-const.c (optimize_bit_field_compare): Don't try to use
7455 word_mode unconditionally for reading the bit field, look at
7456 DECL_BIT_FIELD_REPRESENTATIVE instead.
7458 2016-06-11 Kugan Vivekanandarajah <kuganv@linaro.org>
7461 * tree-ssa-reassoc.c (reassociate_bb): Remove (-1) from ops list for
7462 vector integer type.
7464 2016-06-10 Jakub Jelinek <jakub@redhat.com>
7467 * tree-nested.c (convert_nonlocal_reference_stmt): For GIMPLE_GOTO
7468 without LABEL_DECL, set *handled_ops_p to false instead of true.
7470 2016-06-10 Martin Sebor <msebor@redhat.com>
7473 * builtin-attrs.def (ATTR_NOTHROW_NONNULL_LEAF_LIST): New macro.
7474 (ATTR_NOTHROW_NONNULL_TYPEGENERIC_LEAF): Same.
7475 * builtins.def (BUILT_IN_SADD_OVERFLOW, BUILT_IN_SADDL_OVERFLOW): Use
7477 (BUILT_IN_SADDLL_OVERFLOW, BUILT_IN_SSUB_OVERFLOW): Same.
7478 (BUILT_IN_SSUBL_OVERFLOW, BUILT_IN_SSUBLL_OVERFLOW): Same.
7479 (BUILT_IN_SMUL_OVERFLOW, BUILT_IN_SMULL_OVERFLOW): Same.
7480 (BUILT_IN_SMULLL_OVERFLOW, BUILT_IN_UADD_OVERFLOW): Same.
7481 (BUILT_IN_UADDL_OVERFLOW, BUILT_IN_UADDLL_OVERFLOW): Same.
7482 (BUILT_IN_USUB_OVERFLOW, BUILT_IN_USUBL_OVERFLOW): Same.
7483 (BUILT_IN_USUBLL_OVERFLOW, BUILT_IN_UMUL_OVERFLOW): Same.
7484 (BUILT_IN_UMULL_OVERFLOW, BUILT_IN_UMULLL_OVERFLOW): Same.
7486 2016-06-10 Bernd Edlinger <bernd.edlinger@hotmail.de>
7488 * config/arm/arm.h (pool_vector_label,
7489 return_used_this_function): Remove.
7491 2016-06-10 Jeff Law <law@redhat.com>
7493 PR tree-optimization/71335
7494 * tree-ssa-threadbackward.c (profitable_jump_thread_path): Filter out
7495 zero length paths here.
7496 (convert_and_register_jump_thread_path): Remove hacks related to
7497 duplicated blocks in the jump thread path.
7498 (fsm_find_control_statement_thread_paths): Avoid putting the same
7499 block on the thread path twice, but ensure the thread path is
7500 unchanged from the caller's point of view.
7502 2016-06-10 Jan Hubicka <hubicka@ucw.cz>
7504 * predict.c (predict_loops): Remove PRED_LOOP_BRANCH.
7505 * predict.def (PRED_LOOP_BRANCH): Remove.
7507 2016-06-10 David Malcolm <dmalcolm@redhat.com>
7509 * Makefile.in (OBJS): Add ggc-tests.o.
7510 (GTFILES): Add ggc-tests.c.
7511 * ggc-tests.c: New file.
7512 * selftest-run-tests.c (selftest::run_tests): Call
7513 selftest::ggc_tests_c_tests.
7514 * selftest.h (selftest::ggc_tests_c_tests): New prototype.
7516 2016-06-10 Alexander Monakov <amonakov@ispras.ru>
7518 * match.pd (-1 / B < A): Use :c to avoid pattern duplication.
7520 2016-06-10 Maxim Ostapenko <m.ostapenko@samsung.com>
7523 * varasm.c (place_block_symbol): Adjust alignment for asan protected
7524 STRING_CSTs even if TREE_CONSTANT_POOL_ADDRESS_P.
7526 2016-06-10 Jan Hubicka <hubicka@ucw.cz>
7528 * profile.c: Include cfgloop.h.
7529 (branch_prob): Compute estimated number of iterations.
7530 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations_loop): Do not
7531 recompute estimate number of iterations from profile.
7533 2016-06-10 Bernd Edlinger <bernd.edlinger@hotmail.de>
7536 * reg-stack.c (check_asm_stack_operands): Explicit input arguments
7537 must be grouped on top of stack. Don't force early clobber
7538 on ordinary reg outputs.
7540 2016-06-10 Richard Biener <rguenther@suse.de>
7542 * targhooks.c (default_builtin_vectorization_cost): Adjust
7545 2016-06-10 Richard Biener <rguenther@suse.de>
7547 * gimple-fold.c (gimple_fold_builtin_memory_op): Make sure
7548 to fold the RHS to a constant if possible.
7550 2016-06-10 Thomas Schwinge <thomas@codesourcery.com>
7553 * tree-nested.c (convert_nonlocal_omp_clauses)
7554 (convert_local_omp_clauses): Handle OMP_CLAUSE_ASYNC,
7555 OMP_CLAUSE_WAIT, OMP_CLAUSE_INDEPENDENT, OMP_CLAUSE_AUTO,
7556 OMP_CLAUSE__CACHE_, OMP_CLAUSE_TILE.
7558 * gimplify.c (gimplify_adjust_omp_clauses): Discard
7560 * omp-low.c (scan_sharing_clauses): Don't expect OMP_CLAUSE_TILE.
7562 * omp-low.c (scan_sharing_clauses): Don't expect
7565 2016-06-10 Alan Hayward <alan.hayward@arm.com>
7567 PR tree-optimization/71407
7568 PR tree-optimization/71416
7569 * tree-vect-loop.c (vectorizable_live_operation): Use vectype for
7572 2016-06-10 Richard Biener <rguenther@suse.de>
7575 * cfgloop.c (alloc_loop): Initialize nb_iterations_likely_upper_bound.
7577 2016-06-09 Eric Botcazou <ebotcazou@adacore.com>
7579 * df-problems.c (df_note_bb_compute): Guard use of DF_INSN_INFO_GET.
7581 2016-06-09 Vladimir Makarov <vmakarov@redhat.com>
7582 Jiong Wang <jiong.wang@arm.com>
7584 PR rtl-optimization/70751
7585 * lra-constraints.c (process_alt_operands): Recognize Non-pseudo
7586 spilled into memory.
7588 2016-06-09 Jonathan Yong <10walls@gmail.com>
7591 2015-09-21 Jonathan Yong <10walls@gmail.com>
7593 * config/i386/cygwin.h (STARTFILE_SPEC): Explicitly search
7594 sysroot/usr/lib/32api for additional win32 libraries,
7595 fixes failing Cygwin bootstrapping.
7597 2016-06-09 Marcin Baczyński <marbacz@gmail.com>
7599 * diagnostic.h (diagnostic_line_cutoff, diagnostic_flush_buffer):
7602 2016-06-09 David Malcolm <dmalcolm@redhat.com>
7605 * pretty-print.c (pp_indent): Specify that %p is printed in a
7606 host-dependent manner.
7607 (test_pp_format): Remove the test for %p.
7609 2016-06-09 Maciej W. Rozycki <macro@imgtec.com>
7611 * config/mips/mips.c (mips_output_jump): Fix formatting.
7613 2016-06-09 Richard Biener <rguenther@suse.de>
7615 PR tree-optimization/71462
7616 * tree-ssa-loop-manip.c (find_uses_to_rename): Guard against
7619 2016-06-09 Martin Liska <mliska@suse.cz>
7621 * predict.c (dump_prediction): Add new argument.
7622 (enum predictor_reason): New enum.
7623 (struct predictor_hash): New struct.
7624 (predictor_hash::hash): New function.
7625 (predictor_hash::equal): Likewise.
7626 (not_removed_prediction_p): New function.
7627 (prune_predictions_for_bb): Likewise.
7628 (combine_predictions_for_bb): Prune predictions.
7630 2016-06-09 Martin Liska <mliska@suse.cz>
7632 * predict.c (filter_predictions): New function.
7633 (remove_predictions_associated_with_edge): Use the filter
7635 (equal_edge_p): New function.
7637 2016-06-09 Stefan Bruens <stefan.bruens@rwth-aachen.de>
7639 * doc/invoke.texi (ARM Options): Use lexicographical ordering.
7640 Correct usage of @samp vs @option, add @samp where appropriate.
7641 Add -march={armv6k,armv6z,arm6zk}, remove -march=ep9312.
7642 Add armv6s-m and document it, as it is no official ARM name.
7644 2016-06-09 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
7646 * ifcvt.c (struct noce_if_info): Add transform_name field.
7647 (noce_try_move): Set if_info->transform_name to the function name.
7648 (noce_try_ifelse_collapse): Likewise.
7649 (noce_try_store_flag): Likewise.
7650 (noce_try_inverse_constants): Likewise.
7651 (noce_try_store_flag_constants): Likewise.
7652 (noce_try_addcc): Likewise.
7653 (noce_try_store_flag_mask): Likewise.
7654 (noce_try_cmove): Likewise.
7655 (noce_try_cmove_arith): Likewise.
7656 (noce_try_minmax): Likewise.
7657 (noce_try_abs): Likewise.
7658 (noce_try_sign_mask): Likewise.
7659 (noce_try_bitop): Likewise.
7660 (noce_convert_multiple_sets): Likewise.
7661 (noce_process_if_block): Print if_info->transform_name to
7662 dump_file if transformation succeeded.
7664 2016-06-09 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
7666 * config/arm/cortex-a57.md (cortex_a57_alu):
7669 2016-06-08 Martin Sebor <msebor@redhat.com>
7670 Jakub Jelinek <jakub@redhat.com>
7674 * builtins.def (BUILT_IN_ADD_OVERFLOW_P, BUILT_IN_SUB_OVERFLOW_P,
7675 BUILT_IN_MUL_OVERFLOW_P): New builtins.
7676 * builtins.c: Include gimple-fold.h.
7677 (fold_builtin_arith_overflow): Handle
7678 BUILT_IN_{ADD,SUB,MUL}_OVERFLOW_P.
7679 (fold_builtin_3): Likewise.
7680 * doc/extend.texi (Integer Overflow Builtins): Document
7681 __builtin_{add,sub,mul}_overflow_p.
7683 2016-06-08 Jose E. Marchesi <jose.marchesi@oracle.com>
7685 * config/sparc/driver-sparc.c (cpu_names): Fix the entry for the
7686 SPARC-M7 and add an entry for SPARC-S7 cpus (Sonoma).
7688 2016-06-08 Alan Lawrence <alan.lawrence@arm.com>
7690 * config/aarch64/aarch64.c (aarch64_function_arg_alignment):
7691 Rewrite, looking one level down for records and arrays.
7693 2016-06-08 David Malcolm <dmalcolm@redhat.com>
7695 * pretty-print.c: Include "selftest.h".
7696 (pp_format): Fix comment.
7697 (identifier_to_locale): Likewise.
7698 (selftest::test_basic_printing): New function.
7699 (selftest::assert_pp_format): New function.
7700 (selftest::test_pp_format): New function.
7701 (selftest::pretty_print_c_tests): New function.
7702 * selftest-run-tests.c (selftest::run_tests): Call
7703 selftest::pretty_print_c_tests.
7704 * selftest.h (pretty_print_c_tests): New declaration.
7706 2016-06-07 Jan Hubicka <hubicka@ucw.cz>
7708 * invoke.texi (max-loop-headers-insns): Document.
7709 * params.def (PARAM_MAX_LOOP_HEADER_INSNS): New.
7710 * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Update comment.
7711 (ch_base::copy_headers): Use PARAM_MAX_LOOP_HEADER_INSNS.
7713 2016-06-08 Richard Biener <rguenther@suse.de>
7715 * tree-vect-stmts.c (vectorizable_load): Remove restrictions
7716 on strided SLP loads and fall back to scalar loads in case
7717 we can't chunk them.
7719 2016-06-08 Richard Biener <rguenther@suse.de>
7721 PR tree-optimization/71452
7722 * tree-ssa.c (non_rewritable_lvalue_p): Make sure that the
7723 type used for the SSA rewrite has enough precision to cover
7724 the dynamic type of the location.
7726 2016-06-08 Jakub Jelinek <jakub@redhat.com>
7727 Richard Biener <rguenther@suse.de>
7730 * fold-const.c (fold_comparison): Handle CONSTANT_CLASS_P (base0)
7731 the same as DECL_P (base0) for indirect_base0. Use equality_code
7732 in one further place.
7734 2016-06-08 Richard Sandiford <richard.sandiford@arm.com>
7736 * expmed.c (store_bit_field_1): Do not restrict a multiword op0
7737 to one word if the field is known to overlap other words.
7738 (extract_bit_field_1): Likewise.
7739 (store_split_bit_field): Remove compensating code.
7740 (extract_split_bit_field): Likewise.
7742 2016-06-08 Bernd Schmidt <bschmidt@redhat.com>
7746 * tree-ssa-strlen.c (handle_builtin_memcmp): Ignore debug insns.
7748 2016-06-08 Jiong Wang <jiong.wang@arm.com>
7750 * config/aarch64/aarch64-builtins.def (faddp): New builtins for modes in
7752 * config/aarch64/aarch64-simd.md (aarch64_faddp<mode>): New.
7753 (arch64_addpv4sf): Delete.
7754 (reduc_plus_scal_v4sf): Use "gen_aarch64_faddpv4sf" instead of
7755 "gen_aarch64_addpv4sf".
7756 * config/aarch64/arm_neon.h (vpadd_f32): Remove inline assembly. Use
7758 (vpadds_f32): Likewise.
7759 (vpaddq_f32): Likewise.
7760 (vpaddq_f64): Likewise.
7762 2016-06-08 Jiong Wang <jiong.wang@arm.com>
7764 * config/aarch64/aarch64-builtins.def (fabd): New builtins for modes
7766 * config/aarch64/aarch64-simd.md (fabd<mode>_3): Extend modes from VDQF
7767 to VALLF. Rename to "fabd<mode>3".
7768 "*fabd_scalar<mode>3): Delete.
7769 * config/aarch64/arm_neon.h (vabds_f32): Remove inline assembly.
7771 (vabdd_f64): Likewise.
7772 (vabd_f32): Likewise.
7773 (vabd_f64): Likewise.
7774 (vabdq_f32): Likewise.
7775 (vabdq_f64): Likewise.
7777 2016-06-08 Jiong Wang <jiong.wang@arm.com>
7779 * config/aarch64/aarch64-builtins.def (rsqrts): New builtins for modes
7781 * config/aarch64/aarch64-simd.md (aarch64_rsqrts_<mode>3): Rename to
7782 "aarch64_rsqrts<mode>".
7783 * config/aarch64/aarch64.c (get_rsqrts_type): Update gen* name.
7784 * config/aarch64/arm_neon.h (vrsqrtss_f32): Remove inline assembly. Use
7786 (vrsqrtsd_f64): Likewise.
7787 (vrsqrts_f32): Likewise.
7788 (vrsqrts_f64): Likewise.
7789 (vrsqrtsq_f32): Likewise.
7790 (vrsqrtsq_f64): Likewise.
7792 2016-06-08 Jiong Wang <jiong.wang@arm.com>
7794 * config/aarch64/aarch64-builtins.def (rsqrte): New builtins for modes
7796 * config/aarch64/aarch64-simd.md (aarch64_rsqrte_<mode>2): Rename to
7797 "aarch64_rsqrte<mode>".
7798 * config/aarch64/aarch64.c (get_rsqrte_type): Update gen* name.
7799 * config/aarch64/arm_neon.h (vrsqrts_f32): Remove inline assembly. Use
7801 (vrsqrted_f64): Likewise.
7802 (vrsqrte_f32): Likewise.
7803 (vrsqrte_f64): Likewise.
7804 (vrsqrteq_f32): Likewise.
7805 (vrsqrteq_f64): Likewise.
7807 2016-06-08 Jiong Wang <jiong.wang@arm.com>
7809 * config/aarch64/aarch64-builtins.def (scvtf): Register vector modes.
7813 * config/aarch64/aarch64-simd.md
7814 (<FCVT_F2FIXED:fcvt_fixed_insn><VDQF:mode>3): New.
7815 (<FCVT_FIXED2F:fcvt_fixed_insn><VDQ_SDI:mode>3): Likewise.
7816 * config/aarch64/arm_neon.h (vcvt_n_f32_s32): Remove inline assembly.
7818 (vcvt_n_f32_u32): Likewise.
7819 (vcvt_n_s32_f32): Likewise.
7820 (vcvt_n_u32_f32): Likewise.
7821 (vcvtq_n_f32_s32): Likewise.
7822 (vcvtq_n_f32_u32): Likewise.
7823 (vcvtq_n_f64_s64): Likewise.
7824 (vcvtq_n_f64_u64): Likewise.
7825 (vcvtq_n_s32_f32): Likewise.
7826 (vcvtq_n_s64_f64): Likewise.
7827 (vcvtq_n_u32_f32): Likewise.
7828 (vcvtq_n_u64_f64): Likewise.
7829 * config/aarch64/iterators.md (VDQ_SDI): New mode iterator.
7830 (VSDQ_SDI): Likewise.
7831 (fcvt_target): Support V4DI, V4SI and V2SI.
7832 (FCVT_TARGET): Likewise.
7834 2016-06-08 Jiong Wang <jiong.wang@arm.com>
7836 * config/aarch64/aarch64-builtins.c (TYPES_BINOP_USS): New
7837 (TYPES_BINOP_SUS): Likewise.
7838 (aarch64_simd_builtin_data): Update include file name.
7839 (aarch64_builtins): Likewise.
7840 * config/aarch64/aarch64-simd-builtins.def (scvtf): New entries
7841 for conversion between scalar float-point and fixed-point.
7845 * config/aarch64/aarch64.md
7846 (<FCVT_F2FIXED:fcvt_fixed_insn><GPF:mode>3: New
7847 pattern for conversion between scalar float to fixed-pointer.
7848 (<FCVT_FIXED2F:fcvt_fixed_insn><GPI:mode>: Likewise.
7849 (UNSPEC_FCVTZS): New UNSPEC enumeration.
7850 (UNSPEC_FCVTZU): Likewise.
7851 (UNSPEC_SCVTF): Likewise.
7852 (UNSPEC_UCVTF): Likewise.
7853 * config/aarch64/arm_neon.h (vcvtd_n_f64_s64): Remove inline assembly.
7855 (vcvtd_n_f64_u64): Likewise.
7856 (vcvtd_n_s64_f64): Likewise.
7857 (vcvtd_n_u64_f64): Likewise.
7858 (vcvtd_n_f32_s32): Likewise.
7859 (vcvts_n_f32_u32): Likewise.
7860 (vcvtd_n_s32_f32): Likewise.
7861 (vcvts_n_u32_f32): Likewise.
7862 * config/aarch64/iterators.md (fcvt_target): Support integer to float
7864 (FCVT_TARGET): Likewise.
7865 (FCVT_FIXED2F): New iterator.
7866 (FCVT_F2FIXED): Likewise.
7867 (fcvt_fixed_insn): New define_int_attr.
7869 2016-06-07 Jan Hubicka <hubicka@ucw.cz>
7871 * predict.c (pass_strip_predict_hints::execute): Cleanup CFG if
7872 some statements was removed.
7874 2016-06-08 Alan Hayward <alan.hayward@arm.com>
7876 * tree-vect-data-refs.c (vect_analyze_data_refs): Remove debug newline.
7877 * tree-vect-loop-manip.c (slpeel_make_loop_iterate_ntimes): likewise.
7878 (vect_can_advance_ivs_p): likewise.
7879 (vect_update_ivs_after_vectorizer): likewise.
7880 * tree-vect-loop.c (vect_determine_vectorization_factor): likewise.
7881 (vect_analyze_scalar_cycles_1): likewise.
7882 (vect_analyze_loop_operations): likewise.
7883 (report_vect_op): likewise.
7884 (vect_is_slp_reduction): likewise.
7885 (vect_is_simple_reduction): likewise.
7886 (get_initial_def_for_induction): likewise.
7887 (vect_transform_loop): likewise.
7888 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): likewise.
7889 (vect_recog_sad_pattern): likewise.
7890 (vect_recog_widen_sum_pattern): likewise.
7891 (vect_recog_widening_pattern): likewise.
7892 (vect_recog_divmod_pattern): likewise.
7893 * tree-vect-slp.c (vect-build-slp_tree_1): likewise.
7894 (vect_analyze_slp_instance): likewise.
7895 (vect_transform_slp_perm_load): likewise.
7896 (vect_schedule_slp_instance): likewise.
7898 2016-06-07 Jan Hubicka <hubicka@ucw.cz>
7900 * predict.c (predict_iv_comparison): Mention that heuristics is broken.
7901 (return_prediction): PRED_CONST_RETURN predict return as not taken.
7902 * predict.def (PRED_CONTINUE): Change hitrate 50->67
7903 (PRED_LOOP_BRANCH): Document predictor as broken.
7904 (PRED_LOOP_EXIT): Change hitrate 91->92.
7905 (PRED_LOOP_EXTRA_EXIT): Change hitrate 91->83.
7906 (PRED_POINTER, PRED_TREE_POINTER): Change hitrate 85->70.
7907 (PRED_OPCODE_POSITIVE): Change hitrate 79->64.
7908 (PRED_OPCODE_NONEQUAL): Change hitrate 91->66.
7909 (PRED_TREE_OPCODE_POSITIVE): Change hitrate 73->64
7910 (PRED_TREE_OPCODE_NONEQUAL): Chnage hitrate 72->66
7911 (PRED_CALL): Chane hitrate 71->67.
7912 (PRED_TREE_EARLY_RETURN): Document issues, change hitrate 61->54.
7913 (PRED_GOTO): Document as unused right now.
7914 (PRED_CONST_RETURN): Change hitrate 67->69
7915 (PRED_NEGATIVE_RETURN): Change hitrate 96->98
7916 (PRED_NULL_RETURN): Change hitrate 91->90.
7917 (PRED_LOOP_IV_COMPARE_GUESS): Change hitrate to 98.
7918 (PRED_FORTRAN_FAIL_ALLOC): Change hitrate to 62; document issues.
7919 (PRED_FORTRAN_SIZE_ZERO): Change hitrate to 99.
7921 2016-06-07 Bill Seurer <seurer@linux.vnet.ibm.com>
7923 * config/rs6000/altivec.h: Add __builtin_vec_mul.
7924 * config/rs6000/rs6000-builtin.def (vec_mul): Change vec_mul to a
7925 special case Altivec builtin.
7926 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Remove
7927 VSX_BUILTIN_VEC_MUL (replaced with special case code).
7928 * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Add
7929 code for ALTIVEC_BUILTIN_VEC_MUL.
7930 * config/rs6000/rs6000.c (altivec_init_builtins): Add definition
7931 for __builtin_vec_mul.
7933 2016-06-07 Peter Bergner <bergner@vnet.ibm.com>
7935 * doc/invoke.texi (RS/6000 and PowerPC Options): Document -mhtm and
7938 2016-06-07 David Malcolm <dmalcolm@redhat.com>
7940 * spellcheck.c (selftest::test_find_closest_string): New function.
7941 (spellcheck_c_tests): Call the above.
7943 2016-06-07 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
7945 * simplify-rtx.c (simplify_cond_clz_ctz): Delete 'mode' local variable.
7947 2016-06-07 Jakub Jelinek <jakub@redhat.com>
7949 * config/i386/sse.md (avx_vec_concat<mode>): Add v=v,vm and
7950 Yv=Yv,C alternatives.
7952 2016-06-07 Richard Biener <rguenther@suse.de>
7955 * common.opt (ffast-math): Make Optimization.
7957 2016-06-07 Simon Dardis <simon.dardis@imgtec.com>
7958 Prachi Godbole <prachi.godbole@imgtec.com>
7960 * config/mips/p5600.md (p5600_fpu_fadd): Remove checking for
7961 `fabs' and `fneg' type attributes.
7962 (p5600_fpu_fabs): Add `fmove' to the comment.
7964 2016-06-07 Jan Hubicka <hubicka@ucw.cz>
7966 * gimple.c: Include builtins.h
7967 (gimple_inexpensive_call_p): New function.
7968 * gimple.h (gimple_inexpensive_call_p): Declare.
7969 * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Use it.
7970 * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Likewise;
7973 2016-06-07 Paolo Carlini <paolo.carlini@oracle.com>
7975 * diagnostic.c (diagnostic_impl, diagnostic_n_impl): New.
7976 (inform, inform_at_rich_loc, inform_n, warning, warning_at,
7977 warning_at_rich_loc, warning_n, pedwarn, permerror,
7978 permerror_at_rich_loc, error, error_n, error_at, error_at_rich_loc,
7979 sorry, fatal_error, internal_error, internal_error_no_backtrace):
7982 2016-06-07 Richard Biener <rguenther@suse.de>
7984 PR tree-optimization/71428
7985 * tree-ssa-math-opts.c (perform_symbolic_merge): Properly distinguish
7986 BIT_FIELD_REF op vs. load.
7988 2016-06-07 Richard Biener <rguenther@suse.de>
7991 * match.pd ((X | ~Y) -> Y <= X): Properly invert the comparison
7994 2016-06-06 John David Anglin <danglin@gcc.gnu.org>
7996 * config/pa/pa.md (call): Generate indirect long calls to non-local
7997 functions on TARGET_64BIT.
7998 (call_value): Likewise.
8000 2016-06-06 John David Anglin <danglin@gcc.gnu.org>
8002 * config/pa/pa.md (call_val_reg_64bit): Remove "reg: DI " clobber from
8003 pattern and subsequent splitters.
8004 (call_val_reg_64bit_post_reload): Likewise.
8006 2016-06-07 Kugan Vivekanandarajah <kuganv@linaro.org>
8009 * tree-ssa-reassoc.c (zero_one_operation): Fix NEGATE_EXPR operand for
8010 propagate_op_to_single_use.
8012 2016-06-07 Kugan Vivekanandarajah <kuganv@linaro.org>
8015 * tree-ssa-reassoc.c (reassociate_bb): Set uid for negate stmt.
8017 2016-06-07 Uros Bizjak <ubizjak@gmail.com>
8019 * config/i386/i386.h (enum ix86_enitity): Add X86_DIRFLAG.
8020 (enum x86_dirflag_state): New enum.
8021 (NUM_MODES_FOR_MODE_SWITCHING): Add X86_DIRFLAG_ANY.
8022 (machine_function): Remove needs_cld.
8023 (ix86_current_function_needs_cld): Remove.
8024 * config/i386/i386.c (ix86_set_func_type): Set
8025 ix86_optimize_mode_switching[X86_DIRFLAG] to 1.
8026 (ix86_expand_prologue): Do not emit CLD here.
8027 (ix86_dirflag_mode_needed): New function.
8028 (ix86_dirflag_mode_entry): Ditto.
8029 (ix86_mode_needed): Handle X86_DIRFLAG entity.
8030 (ix86_mode_after): Ditto.
8031 (ix86_mode_entry): Ditto.
8032 (ix86_mode_exit): Ditto.
8033 (ix86_emit_mode_set): Ditto.
8034 * config/i386/i386.md (strmov_singleop): Set
8035 ix86_optimize_mode_switching[X86_DIRFLAG] to 1 for TARGET_CLD.
8036 Do not set ix86_current_function_needs_cld.
8038 (strset_singleop): Ditto.
8040 (cmpstrnqi_nz_1): Ditto.
8041 (cmpstrnqi_1): Ditto.
8042 (strlenqi_1): Ditto.
8044 2016-06-06 Jakub Jelinek <jakub@redhat.com>
8046 PR tree-optimization/71259
8047 * tree-vect-slp.c (vect_get_constant_vectors): For
8048 VECTOR_BOOLEAN_TYPE_P, return all ones constant instead of
8049 one for constant op, and use COND_EXPR for non-constant.
8051 2016-06-06 David Malcolm <dmalcolm@redhat.com>
8053 * Makefile.in (OBJS): Add function-tests.o,
8054 hash-map-tests.o, hash-set-tests.o, rtl-tests.o,
8055 selftest-run-tests.o.
8056 (OBJS-libcommon): Add selftest.o.
8057 (OBJS-libcommon-target): Add selftest.o.
8058 (all.internal): Add "selftest".
8059 (all.cross): Likewise.
8060 (selftest): New phony target.
8061 (s-selftest): New target.
8062 (selftest-gdb): New phony target.
8063 (COLLECT2_OBJS): Add selftest.o.
8064 * bitmap.c: Include "selftest.h".
8065 (selftest::test_gc_alloc): New function.
8066 (selftest::test_set_range): New function.
8067 (selftest::test_clear_bit_in_middle): New function.
8068 (selftest::test_copying): New function.
8069 (selftest::test_bitmap_single_bit_set_p): New function.
8070 (selftest::bitmap_c_tests): New function.
8071 * common.opt (fself-test): New.
8072 * diagnostic-show-locus.c: Include "selftest.h".
8073 (make_range): New function.
8074 (test_range_contains_point_for_single_point): New function.
8075 (test_range_contains_point_for_single_line): New function.
8076 (test_range_contains_point_for_multiple_lines): New function.
8077 (assert_eq): New function.
8078 (test_get_line_width_without_trailing_whitespace): New function.
8079 (selftest::diagnostic_show_locus_c_tests): New function.
8080 * et-forest.c: Include "selftest.h".
8081 (selftest::test_single_node): New function.
8082 (selftest::test_simple_tree): New function.
8083 (selftest::test_disconnected_nodes): New function.
8084 (selftest::et_forest_c_tests): New function.
8085 * fold-const.c: Include "selftest.h".
8086 (selftest::assert_binop_folds_to_const): New function.
8087 (selftest::assert_binop_folds_to_nonlvalue): New function.
8088 (selftest::test_arithmetic_folding): New function.
8089 (selftest::fold_const_c_tests): New function.
8090 * function-tests.c: New file.
8091 * gimple.c: Include "selftest.h".
8092 Include "gimple-pretty-print.h".
8093 (selftest::verify_gimple_pp): New function.
8094 (selftest::test_assign_single): New function.
8095 (selftest::test_assign_binop): New function.
8096 (selftest::test_nop_stmt): New function.
8097 (selftest::test_return_stmt): New function.
8098 (selftest::test_return_without_value): New function.
8099 (selftest::gimple_c_tests): New function.
8100 * hash-map-tests.c: New file.
8101 * hash-set-tests.c: New file.
8102 * input.c: Include "selftest.h".
8103 (selftest::assert_loceq): New function.
8104 (selftest::test_accessing_ordinary_linemaps): New function.
8105 (selftest::test_unknown_location): New function.
8106 (selftest::test_builtins): New function.
8107 (selftest::test_reading_source_line): New function.
8108 (selftest::input_c_tests): New function.
8109 * rtl-tests.c: New file.
8110 * selftest-run-tests.c: New file.
8111 * selftest.c: New file.
8112 * selftest.h: New file.
8113 * spellcheck.c: Include "selftest.h".
8114 (selftest::levenshtein_distance_unit_test_oneway): New function,
8115 adapted from testsuite/gcc.dg/plugin/levenshtein_plugin.c.
8116 (selftest::levenshtein_distance_unit_test): Likewise.
8117 (selftest::spellcheck_c_tests): Likewise.
8118 * toplev.c: Include selftest.h.
8119 (toplev::run_self_tests): New.
8120 (toplev::main): Handle -fself-test.
8121 * toplev.h (toplev::run_self_tests): New.
8122 * tree.c: Include "selftest.h".
8123 (selftest::test_integer_constants): New function.
8124 (selftest::test_identifiers): New function.
8125 (selftest::test_labels): New function.
8126 (selftest::tree_c_tests): New function.
8127 * tree-cfg.c: Include "selftest.h".
8128 (selftest::push_fndecl): New function.
8129 (selftest::test_linear_chain): New function.
8130 (selftest::test_diamond): New function.
8131 (selftest::test_fully_connected): New function.
8132 (selftest::tree_cfg_c_tests): New function.
8133 * vec.c: Include "selftest.h".
8134 (selftest::safe_push_range): New function.
8135 (selftest::test_quick_push): New function.
8136 (selftest::test_safe_push): New function.
8137 (selftest::test_truncate): New function.
8138 (selftest::test_safe_grow_cleared): New function.
8139 (selftest::test_pop): New function.
8140 (selftest::test_safe_insert): New function.
8141 (selftest::test_ordered_remove): New function.
8142 (selftest::test_unordered_remove): New function.
8143 (selftest::test_block_remove): New function.
8144 (selftest::reverse_cmp): New function.
8145 (selftest::test_qsort): New function.
8146 (selftest::vec_c_tests): New function.c.
8147 * wide-int.cc: Include selftest.h and wide-int-print.h.
8148 (selftest::from_int <wide_int>): New function.
8149 (selftest::from_int <offset_int>): New function.
8150 (selftest::from_int <widest_int>): New function.
8151 (selftest::assert_deceq): New function.
8152 (selftest::assert_hexeq): New function.
8153 (selftest::test_printing <VALUE_TYPE>): New function template.
8154 (selftest::test_ops <VALUE_TYPE>): New function template.
8155 (selftest::test_comparisons <VALUE_TYPE>): New function template.
8156 (selftest::run_all_wide_int_tests <VALUE_TYPE>): New function
8158 (selftest::wide_int_cc_tests): New function.
8160 2016-06-06 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
8163 * ifcvt.c (noce_try_ifelse_collapse): New function.
8165 (noce_process_if_block): Call noce_try_ifelse_collapse.
8166 * simplify-rtx.c (simplify_cond_clz_ctz): New function.
8167 (simplify_ternary_operation): Use the above to simplify
8168 conditional CLZ/CTZ expressions.
8170 2016-06-06 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
8173 * config/aarch64/aarch64.md (ctz<mode>2): Convert to
8174 define_insn_and_split.
8176 2016-06-06 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
8179 * config/arm/arm.md (ctzsi2): Convert to define_insn_and_split.
8181 2016-06-06 Bernd Edlinger <bernd.edlinger@hotmail.de>
8184 * cfgexpand.c (expand_asm_loc): Remove handling for ADDR_EXPR.
8185 Implicitly clobber memory for basic asm with non-empty assembler
8186 string. Use targetm.md_asm_adjust also here.
8187 * compare-elim.c (arithmetic_flags_clobber_p): Use asm_noperands here.
8188 * final.c (final_scan_insn): Handle basic asm in PARALLEL block.
8189 * gimple.c (gimple_asm_clobbers_memory_p): Handle basic asm with
8190 non-empty assembler string.
8191 * ira.c (compute_regs_asm_clobbered): Use asm_noperands here.
8192 * recog.c (asm_noperands): Handle basic asm in PARALLEL block.
8193 (decode_asm_operands): Handle basic asm in PARALLEL block.
8194 (extract_insn): Handle basic asm in PARALLEL block.
8195 * doc/extend.texi: Mention new behavior of basic asm.
8196 * config/ia64/ia64 (rtx_needs_barrier): Handle ASM_INPUT here.
8197 * config/pa/pa.c (branch_to_delay_slot_p, branch_needs_nop_p,
8198 branch_needs_nop_p): Use asm_noperands.
8200 2016-06-06 Jose E. Marchesi <jose.marchesi@oracle.com>
8202 * config/sparc/sparc.md (cpu): Add niagara7 cpu type.
8203 Include the M7 SPARC DFA scheduler.
8204 New attribute v3pipe.
8205 Annotate insns with v3pipe where appropriate.
8206 Define cpu_feature vis4.
8207 Add lzd instruction type and set it on clzdi_sp64 and clzsi_sp64.
8208 Add (V8QI "8") to vbits.
8209 Add insns {add,sub}v8qi3
8210 Add insns ss{add,sub}v8qi3
8211 Add insns us{add,sub}{v8qi,v4hi}3
8212 Add insns {min,max}{v8qi,v4hi,v2si}3
8213 Add insns {minu,maxu}{v8qi,v4hi,v2si}3
8214 Add insns fpcmp{le,gt,ule,ug,ule,ugt}{8,16,32}_vis.
8215 * config/sparc/niagara4.md: Add a comment explaining the
8216 discrepancy between the documented latenty numbers and the
8218 * config/sparc/niagara7.md: New file.
8219 * configure.ac (HAVE_AS_SPARC5_VIS4): Define if the assembler
8220 supports SPARC5 and VIS 4.0 instructions.
8221 * configure: Regenerate.
8222 * config.in: Likewise.
8223 * config.gcc: niagara7 is a supported cpu in sparc*-*-* targets.
8224 * config/sparc/sol2.h (ASM_CPU32_DEFAUILT_SPEC): Set for
8225 TARGET_CPU_niagara7.
8226 (ASM_CPU64_DEFAULT_SPEC): Likewise.
8227 (CPP_CPU_SPEC): Handle niagara7.
8228 (ASM_CPU_SPEC): Likewise.
8229 * config/sparc/sparc-opts.h (processor_type): Add
8231 (mvis4): New option.
8232 * config/sparc/sparc.h (TARGET_CPU_niagara7): Define.
8233 (AS_NIAGARA7_FLAG): Define.
8234 (ASM_CPU64_DEFAULT_SPEC): Set for niagara7.
8235 (CPP_CPU64_DEFAULT_SPEC): Likewise.
8236 (CPP_CPU_SPEC): Handle niagara7.
8237 (ASM_CPU_SPEC): Likewise.
8238 * config/sparc/sparc.c (niagara7_costs): Define.
8239 (sparc_option_override): Handle niagara7 and adjust cache-related
8240 parameters with better values for niagara cpus. Also support VIS4.
8241 (sparc32_initialize_trampoline): Likewise.
8242 (sparc_use_sched_lookahead): Likewise.
8243 (sparc_issue_rate): Likewise.
8244 (sparc_register_move_cost): Likewise.
8245 (dump_target_flag_bits): Support VIS4.
8246 (sparc_vis_init_builtins): Likewise.
8247 (sparc_builtins): Likewise.
8248 * config/sparc/sparc-c.c (sparc_target_macros): Define __VIS__ for
8250 * config/sparc/driver-sparc.c (cpu_names): Add SPARC-M7 and
8252 * config/sparc/sparc.opt (sparc_processor_type): New value
8254 * config/sparc/visintrin.h (__attribute__): Prototypes for the
8256 * doc/invoke.texi (SPARC Options): Document -mcpu=niagara7 and
8258 * doc/extend.texi (SPARC VIS Built-in Functions): Document the
8261 2016-06-06 Jonathan Wakely <jwakely@redhat.com>
8263 * doc/sourcebuild.texi (Directives): Remove extra closing braces.
8265 2016-06-06 Richard Biener <rguenther@suse.de>
8267 PR tree-optimization/71398
8268 * tree-ssa-loop-ivcanon.c (unloop_loops): First unloop, then
8271 2016-06-05 James Bowman <james.bowman@ftdichip.com>
8273 * config/ft32/ft32.c (ft32_setup_incoming_varargs,
8274 ft32_expand_prolog, ft32_expand_epilogue):
8275 Handle pretend_args.
8276 * config/ft32/ft32.h: Remove OUTGOING_REG_PARM_STACK_SPACE.
8277 * config/ft32/ft32.md: Add pretend_returner.
8279 2016-06-06 Uros Bizjak <ubizjak@gmail.com>
8282 * config/i386/i386.c (ix86_avx256_split_vector_move_misalign):
8283 Copy op1 RTX to avoid invalid sharing.
8284 (ix86_expand_vector_move_misalign): Ditto.
8286 2016-06-05 John David Anglin <danglin@gcc.gnu.org>
8288 * expr.c (move_by_pieces_d::generate): Mark mode parameter with
8291 2016-06-05 Jan Hubicka <hubicka@ucw.cz>
8293 * predict.c (predicted_by_loop_heuristics_p): New function.
8294 (predict_iv_comparison): Use it.
8295 (predict_loops): Walk from innermost loops; do not predict edges
8296 leaving multiple loops multiple times; implement
8297 PRED_LOOP_ITERATIONS_MAX heuristics.
8298 * predict.def (PRED_LOOP_ITERATIONS_MAX): New predictor.
8300 2016-06-05 Jan Hubicka <hubicka@ucw.cz>
8302 * cfg.c (check_bb_profile): Do not report mismatched profiles when
8303 only edges out of BB are EH edges.
8305 2016-06-04 Martin Sebor <msebor@redhat.com>
8306 Marcin Baczyński <marbacz@gmail.com>
8309 * doc/invoke.texi (-Wreturn-type): Mention not warning on return with
8310 a void expression in a void function.
8312 2016-06-03 Jan Hubicka <hubicka@ucw.cz>
8314 * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Do not check
8315 aux; dump reasons of decisions.
8316 (should_duplicate_loop_header_p): Likewise.
8317 (do_while_loop_p): Likewise.
8318 (ch_base::copy_headers): Dump asi num insns duplicated.
8320 2016-06-04 Jakub Jelinek <jakub@redhat.com>
8322 PR tree-optimization/71405
8323 * tree-ssa.c (execute_update_addresses_taken): For clobber with
8324 incompatible type, build a new clobber with the right type instead
8325 of building a VIEW_CONVERT_EXPR around it.
8327 2016-06-04 Oleg Endo <olegendo@gcc.gnu.org>
8329 PR tree-optimization/52171
8330 * config/sh/sh.c (sh_use_by_pieces_infrastructure_p): Use
8331 by_pieces_ninsns instead of move_by_pieces_ninsns.
8333 2016-06-04 Oleg Endo <olegendo@gcc.gnu.org>
8335 * config/sh/sh.c (sh_print_operand_address): Don't use hardcoded 'r0'
8336 for reg+reg addressing mode.
8338 2016-06-03 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
8340 * rs6000-c.c (c/c-tree.h): Add #include.
8341 (altivec_resolve_overloaded_builtin): Handle ARRAY_TYPE arguments
8342 in C++ when found in the base position of vec_ld or vec_st.
8344 2016-06-03 Jan Hubicka <hubicka@ucw.cz>
8346 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations_loop): Avoid
8347 use of profile unless profile status is PROFILE_READ.
8348 * profile.c (compute_branch_probabilities): Set profile status
8349 only after reporting predictor hitrates.
8351 2016-06-03 Joseph Myers <joseph@codesourcery.com>
8355 * common.opt (ffp-int-builtin-inexact): New option.
8356 * doc/invoke.texi (-fno-fp-int-builtin-inexact): Document.
8357 * doc/md.texi (floor@var{m}2, btrunc@var{m}2, round@var{m}2)
8358 (ceil@var{m}2): Document dependence on this option.
8359 * ipa-inline-transform.c (inline_call): Handle
8360 flag_fp_int_builtin_inexact.
8361 * ipa-inline.c (can_inline_edge_p): Likewise.
8362 * config/i386/i386.md (rintxf2): Do not test
8363 flag_unsafe_math_optimizations.
8364 (rint<mode>2_frndint): New define_insn.
8365 (rint<mode>2): Do not test flag_unsafe_math_optimizations for 387
8366 or !flag_trapping_math for SSE. Just use gen_rint<mode>2_frndint
8367 for 387 instead of extending and truncating.
8368 (frndintxf2_<rounding>): Test flag_fp_int_builtin_inexact ||
8369 !flag_trapping_math instead of flag_unsafe_math_optimizations.
8370 Change to frndint<mode>2_<rounding>.
8371 (frndintxf2_<rounding>_i387): Likewise. Change to
8372 frndint<mode>2_<rounding>_i387.
8373 (<rounding_insn>xf2): Likewise.
8374 (<rounding_insn><mode>2): Test flag_fp_int_builtin_inexact ||
8375 !flag_trapping_math instead of flag_unsafe_math_optimizations for
8376 x87. Test TARGET_ROUND || !flag_trapping_math ||
8377 flag_fp_int_builtin_inexact instead of !flag_trapping_math for
8378 SSE. Use ROUND_NO_EXC in constant operand of
8379 gen_sse4_1_round<mode>2. Just use gen_frndint<mode>2_<rounding>
8380 for 387 instead of extending and truncating.
8382 2016-06-03 H.J. Lu <hongjiu.lu@intel.com>
8383 Julia Koval <julia.koval@intel.com>
8395 * config/i386/i386-protos.h (ix86_epilogue_uses): New prototype.
8396 * config/i386/i386.c (ix86_conditional_register_usage): Preserve
8397 all registers, except for function return registers if there are
8398 no caller-saved registers.
8399 (ix86_set_func_type): New function.
8400 (ix86_set_current_function): Call ix86_set_func_type to set
8401 no_caller_saved_registers and func_type. Call reinit_regs if
8402 caller-saved registers are changed. Don't allow MPX, SSE, MMX
8403 nor x87 instructions in interrupt handler nor function with
8404 no_caller_saved_registers attribute.
8405 (ix86_function_ok_for_sibcall): Return false if there are no
8406 caller-saved registers.
8407 (type_natural_mode): Don't warn ABI change for MMX in interrupt
8409 (ix86_function_arg_advance): Skip for callee in interrupt handler.
8410 (ix86_function_arg): Return special arguments in interrupt handler.
8411 (ix86_promote_function_mode): Promote pointer to word_mode only
8412 for normal functions.
8413 (ix86_can_use_return_insn_p): Don't use `ret' instruction in
8415 (ix86_epilogue_uses): New function.
8416 (ix86_hard_regno_scratch_ok): Likewise.
8417 (ix86_save_reg): Preserve all registers in interrupt handler
8418 after reload. Preserve all registers, except for function return
8419 registers, if there are no caller-saved registers after reload.
8420 (find_drap_reg): Always use callee-saved register if there are
8421 no caller-saved registers.
8422 (ix86_minimum_incoming_stack_boundary): Return MIN_STACK_BOUNDARY
8423 for interrupt handler.
8424 (ix86_expand_prologue): Don't allow DRAP in interrupt handler.
8425 Emit cld instruction if stringops are used in interrupt handler
8426 or interrupt handler isn't a leaf function.
8427 (ix86_expand_epilogue): Generate interrupt return for interrupt
8428 handler and pop the 'ERROR_CODE' off the stack before interrupt
8429 return in exception handler.
8430 (ix86_expand_call): Disallow calling interrupt handler directly.
8431 If there are no caller-saved registers, mark all registers that
8432 are clobbered by the call which returns as clobbered.
8433 (ix86_handle_no_caller_saved_registers_attribute): New function.
8434 (ix86_handle_interrupt_attribute): Likewise.
8435 (ix86_attribute_table): Add interrupt and no_caller_saved_registers
8437 (TARGET_HARD_REGNO_SCRATCH_OK): Likewise.
8438 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Use argument
8439 accumulation in interrupt function if stack may be realigned to
8441 (EPILOGUE_USES): New.
8442 (function_type): New enum.
8443 (machine_function): Add func_type and no_caller_saved_registers.
8444 * config/i386/i386.md (UNSPEC_INTERRUPT_RETURN): New.
8445 (interrupt_return): New pattern.
8446 * doc/extend.texi: Document x86 interrupt and
8447 no_caller_saved_registers attributes.
8449 2016-06-03 Bernd Schmidt <bschmidt@redhat.com>
8451 PR tree-optimization/52171
8452 * builtins.c (expand_cmpstrn_or_cmpmem): Delete, moved elsewhere.
8453 (expand_builtin_memcmp): New arg RESULT_EQ. All callers changed.
8454 Look for constant strings. Move some code to emit_block_cmp_hints
8456 * builtins.def (BUILT_IN_MEMCMP_EQ): New.
8457 * defaults.h (COMPARE_MAX_PIECES): New macro.
8458 * expr.c (move_by_pieces_d, store_by_pieces_d): Remove old structs.
8459 (move_by_pieces_1, store_by_pieces_1, store_by_pieces_2): Remvoe.
8460 (clear_by_pieces_1): Don't declare. Move definition before use.
8461 (can_do_by_pieces): New static function.
8462 (can_move_by_pieces): Use it. Return bool.
8463 (by_pieces_ninsns): Renamed from move_by_pieces_ninsns. New arg
8464 OP. All callers changed. Handle COMPARE_BY_PIECES.
8465 (class pieces_addr); New.
8466 (pieces_addr::pieces_addr, pieces_addr::decide_autoinc,
8467 pieces_addr::adjust, pieces_addr::increment_address,
8468 pieces_addr::maybe_predec, pieces_addr::maybe_postinc): New member
8470 (class op_by_pieces_d): New.
8471 (op_by_pieces_d::op_by_pieces_d, op_by_pieces_d::run): New member
8473 (class move_by_pieces_d, class compare_by_pieces_d,
8474 class store_by_pieces_d): New subclasses of op_by_pieces_d.
8475 (move_by_pieces_d::prepare_mode, move_by_pieces_d::generate,
8476 move_by_pieces_d::finish_endp, store_by_pieces_d::prepare_mode,
8477 store_by_pieces_d::generate, store_by_pieces_d::finish_endp,
8478 compare_by_pieces_d::generate, compare_by_pieces_d::prepare_mode,
8479 compare_by_pieces_d::finish_mode): New member functions.
8480 (compare_by_pieces, emit_block_cmp_via_cmpmem): New static
8482 (expand_cmpstrn_or_cmpmem): Moved here from builtins.c.
8483 (emit_block_cmp_hints): New function.
8484 (move_by_pieces, store_by_pieces, clear_by_pieces): Rewrite to just
8485 use the newly defined classes.
8486 * expr.h (by_pieces_constfn): New typedef.
8487 (can_store_by_pieces, store_by_pieces): Use it in arg declarations.
8488 (emit_block_cmp_hints, expand_cmpstrn_or_cmpmem): Declare.
8489 (move_by_pieces_ninsns): Don't declare.
8490 (can_move_by_pieces): Change return value to bool.
8491 * target.def (TARGET_USE_BY_PIECES_INFRASTRUCTURE_P): Update docs.
8492 (compare_by_pieces_branch_ratio): New hook.
8493 * target.h (enum by_pieces_operation): Add COMPARE_BY_PIECES.
8494 (by_pieces_ninsns): Declare.
8495 * targethooks.c (default_use_by_pieces_infrastructure_p): Handle
8497 (default_compare_by_pieces_branch_ratio): New function.
8498 * targhooks.h (default_compare_by_pieces_branch_ratio): Declare.
8499 * doc/tm.texi.in (STORE_MAX_PIECES, COMPARE_MAX_PIECES): Document.
8500 * doc/tm.texi: Regenerate.
8501 * tree-ssa-strlen.c: Include "builtins.h".
8502 (handle_builtin_memcmp): New static function.
8503 (strlen_optimize_stmt): Call it for BUILT_IN_MEMCMP.
8504 * tree.c (build_common_builtin_nodes): Create __builtin_memcmp_eq.
8506 2016-06-03 Alan Hayward <alan.hayward@arm.com>
8508 * tree-vect-stmts.c (vect_stmt_relevant_p): Do not vectorize non live
8509 relevant stmts which are simple and invariant.
8510 * tree-vect-loop.c (vectorizable_live_operation): Check relevance
8511 instead of simple and invariant
8513 2016-06-03 Alan Hayward <alan.hayward@arm.com>
8515 * tree-vect-loop.c (vect_analyze_loop_operations): Allow live stmts.
8516 (vectorizable_reduction): Check for new relevant state.
8517 (vectorizable_live_operation): vectorize live stmts using
8518 BIT_FIELD_REF. Remove special case for gimple assigns stmts.
8519 * tree-vect-stmts.c (is_simple_and_all_uses_invariant): New function.
8520 (vect_stmt_relevant_p): Check for stmts which are only used live.
8521 (process_use): Use of a stmt does not inherit it's live value.
8522 (vect_mark_stmts_to_be_vectorized): Simplify relevance inheritance.
8523 (vect_analyze_stmt): Check for new relevant state.
8524 * tree-vectorizer.h (vect_relevant): New entry for a stmt which is used
8525 outside the loop, but not inside it.
8527 2016-06-03 Alan Hayward <alan.hayward@arm.com>
8529 * tree-vectorizer.h (vect_get_vec_def_for_operand_1): New.
8530 * tree-vect-stmts.c (vect_get_vec_def_for_operand_1): New.
8531 (vect_get_vec_def_for_operand): Split out code.
8533 2016-06-03 Segher Boessenkool <segher@kernel.crashing.org>
8535 * config/rs6000/rs6000.md (define_peepholes for two mfcr's): Delete.
8537 2016-06-03 Alan Hayward <alan.hayward@arm.com>
8539 * tree-vect-stmts.c (vectorizable_call) Remove GOMP_SIMD_LANE code.
8541 2016-06-03 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
8543 * config/arm/thumb1.md (*thumb1_mulsi3): Fix typos in comment.
8545 2016-06-03 Jakub Jelinek <jakub@redhat.com>
8548 * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): If redirecting
8549 to noreturn e->callee->decl that has void return type and void
8550 arguments, adjust gimple_call_fntype and remove lhs even if it had
8551 previously addressable type.
8553 2016-06-02 Jeff Law <law@redhat.com>
8555 PR tree-optimization/71328
8556 * tree-ssa-threadupdate.c (duplicate_thread_path): Fix off-by-one
8557 error when checking for a jump back onto the copied path.
8559 2016-06-02 David Malcolm <dmalcolm@redhat.com>
8561 * config/microblaze/microblaze.c (get_branch_target): Add return
8562 NULL_RTX for the non-CALL_P case.
8563 (insert_wic_for_ilb_runout): Remove unused local "wic_addr1".
8564 (insert_wic): Remove unused local "j".
8566 2016-06-02 Martin Liska <mliska@suse.cz>
8568 * predict.def: Fix typo in PRED_FORTRAN_FAIL_IO display name.
8570 2016-06-02 H.J. Lu <hongjiu.lu@intel.com>
8571 Julia Koval <julia.koval@intel.com>
8573 * function.c (assign_parm_setup_stack): Force source into a
8575 * target.def (function_incoming_arg): Update documentation to
8576 allow arbitrary address computation based on hard register.
8577 * doc/tm.texi: Regenerated.
8579 2016-06-02 Martin Liska <mliska@suse.cz>
8581 * predict.c (combine_predictions_for_bb): Fix first match in
8582 cases where a first predictor contains more than one occurence
8583 in list of predictors. Take the best value in such case.
8585 2016-06-02 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
8587 PR rtl-optimization/71295
8588 * rtlanal.c (subreg_get_info): If taking a subreg at the requested
8589 offset would go over the size of the inner mode reject it.
8591 2016-06-02 Jakub Jelinek <jakub@redhat.com>
8593 * config/i386/sse.md (*vec_concatv4si): Use v=v,v instead of
8594 x=x,x and v=v,m instead of x=x,m.
8596 * config/i386/sse.md (*vec_concatv2si_sse4_1): Add avx512dq v=Yv,rm
8597 alternative. Change x=x,x alternative to v=Yv,Yv and x=rm,C
8598 alternative to v=rm,C.
8600 * config/i386/sse.md (*vec_concatv2di): Add x86_avx512dq v=Yv,rm
8601 alternative. Change x=xm,C alternative to v=vm,C, x=x,x alternative
8602 to v=Yv,Yv and x=x,m to v=v,m. Use maybe_evex prefix attribute
8603 instead of vex for the last two above mentioned alternatives.
8605 2016-06-02 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
8608 * config/arm/arm.c (arm_output_multireg_pop): Guard "pop" on update.
8610 2016-06-02 Segher Boessenkool <segher@kernel.crashing.org>
8612 * config/rs6000/dfp.md (trunctddd2): Correct the "length" attribute.
8614 2016-06-01 David Malcolm <dmalcolm@redhat.com>
8616 * config/rl78/rl78.c (rl78_expand_prologue): Convert local
8617 from int to unsigned.
8619 2016-05-31 Michael Meissner <meissner@linux.vnet.ibm.com>
8621 * config/rs6000/vsx.md (vsx_splat_<mode>, V2DI/V2DF): Simplify
8622 alternatives, eliminating preferred register class. Add support
8623 for the MTVSRDD instruction in ISA 3.0.
8624 (vsx_splat_v4si_internal): Use splat_input_operand instead of
8625 reg_or_indexed_operand.
8626 (vsx_splat_v4sf_internal): Likewise.
8628 2016-05-31 Michael Meissner <meissner@linux.vnet.ibm.com>
8631 * config/rs6000/vsx.md (xxspltib_<mode>_nosplit): Add alternatives
8632 for loading up all 0's or all 1's.
8634 2016-06-01 Thomas Preud'homme <thomas.preudhomme@arm.com>
8636 * doc/sourcebuild.texi (arm_acq_rel): Document new effective target.
8638 2016-06-01 Eduard Sanou <dhole@openmailbox.org>
8640 * doc/cppenv.texi: Note that the `%s` in `date` is a non-standard
8642 * gcc.c (driver_handle_option): Call set_source_date_epoch_envvar.
8643 * gcc.c (set_source_date_epoch_envvar): New function, sets
8644 the SOURCE_DATE_EPOCH environment variable to the current time.
8646 2016-06-01 Eric Botcazou <ebotcazou@adacore.com>
8648 * tree-vect-loop.c (vect_determine_vectorization_factor): Also compute
8649 the factor for live Phi nodes.
8651 2016-06-01 Jan Hubicka <hubicka@ucw.cz>
8653 * loop-dolop.c (doloop_optimize): Us likely max iteration bound.
8654 * tree-parloops.c (parallelize_loops): likewise.
8655 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop,
8656 tree_unswitch_outer_loop): likewise.
8658 2016-06-01 Jakub Jelinek <jakub@redhat.com>
8661 * gimplify.c (gimplify_omp_for): Temporarily clear gimplify_omp_ctxp
8662 around creation of the temporary.
8664 2016-06-01 Richard Biener <rguenther@suse.de>
8666 PR tree-optimization/71366
8667 * tree-ssa-loop-ivcanon.c (edges_to_remove): New global.
8668 (unloop_loops): Move removing edges here ...
8669 (try_unroll_loop_completely): ... from here.
8670 (try_peel_loop): ... and here.
8671 (tree_unroll_loops_completely_1): Track parent loops via
8672 bitmap of header BBs.
8673 (tree_unroll_loops_completely): Adjust for that.
8675 2016-06-01 Kelvin Nilsen <kelvin@gcc.gnu.org>
8677 * config/rs6000/altivec.h (vec_slv): New macro.
8678 (vec_srv): New macro.
8679 * config/rs6000/altivec.md (UNSPEC_VSLV): New value.
8680 (UNSPEC_VSRV): New value.
8683 * config/rs6000/rs6000-builtin.def (vslv): New builtin definition.
8684 (vsrv): New builtin definition.
8685 * config/rs6000/rs6000-c.c (P9V_BUILTIN_VSLV): Macro expansion to
8686 define argument types for new builtin.
8687 (P9V_BUILTIN_VSRV): Macro expansion to define argument types for
8689 * doc/extend.texi: Document the new vec_vslv and vec_srv built-in
8692 2016-06-01 Uros Bizjak <ubizjak@gmail.com>
8693 Jocelyn Mayer <l_indien@magic.fr>
8696 * config/i386/driver-i386.c (host_detect_local_cpu): Correctly
8697 detect processor family for signature_CENTAUR_ebx.
8698 <case PROCESSOR_I486>: Pass c3, winchip2 or winchip-c6 for
8699 signature_CENTAUR_ebx.
8700 <case PROCESSOR _PENTIUMPRO>: Pass c3-2 for signature_CENTAUR_ebx.
8701 <default>: Pass x86-64 for has_longmode.
8703 2016-06-01 Nathan Sidwell <nathan@acm.org>
8705 * config/nvptx/nvptx.c (nvptx_assemble_undefined_decl): Reject
8708 2016-06-01 Richard Biener <rguenther@suse.de>
8710 PR tree-optimization/71261
8711 * tree-vect-patterns.c (check_bool_pattern): Gather a hash-set
8712 of stmts successfully put in the bool pattern. Remove
8713 single-use restriction.
8714 (adjust_bool_pattern_cast): Add cast at the use site via the
8715 pattern def sequence.
8716 (adjust_bool_pattern): Remove recursion, maintain a hash-map
8717 of patterned defs. Use the pattern def seqence instead of
8718 multiple independent patterns.
8719 (sort_after_uid): New qsort compare function.
8720 (adjust_bool_stmts): New function to process stmts in the bool
8721 pattern in IL order.
8722 (vect_recog_bool_pattern): Adjust.
8723 * tree-if-conv.c (ifcvt_split_def_stmt): Remove.
8724 (ifcvt_walk_pattern_tree): Likewise.
8725 (stmt_is_root_of_bool_pattern): Likewise.
8726 (ifcvt_repair_bool_pattern): Likewise.
8727 (tree_if_conversion): Do not call ifcvt_repair_bool_pattern.
8729 2016-06-01 Jan Hubicka <hubicka@ucw.cz>
8731 * loop-unroll.c (decide_unroll_constant_iterations,
8732 decide_unroll_runtime_iterations, decide_unroll_stupid): Use
8733 likely upper bounds.
8734 * loop-iv.c (find_simple_exit): Dump likely upper bounds.
8736 2016-06-01 Thomas Schwinge <thomas@codesourcery.com>
8738 * tree-core.h (enum omp_clause_code): Remove
8739 OMP_CLAUSE_DEVICE_RESIDENT. Adjust all users.
8741 2016-06-01 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
8743 * config/arm/sync.md (arm_store_exclusive<mode>):
8744 Use 'H' output modifier on operands[2] rather than creating a new
8745 entry in out-of-bounds memory of the operands array.
8746 (arm_store_release_exclusivedi): Likewise.
8748 2016-06-01 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
8750 * config/arm/arm.c (arm_fusion_enabled_p): New function.
8751 * config/arm/arm-protos.h (arm_fusion_enabled_p): Declare prototype.
8752 * config/arm/crypto.md (crypto_<crypto_pattern>, CRYPTO_UNARY):
8753 Add "=w,0" alternative. Enable it when AES/AESMC fusion is enabled.
8755 2016-06-01 Eric Botcazou <ebotcazou@adacore.com>
8757 * tree-vect-loop.c (vect_determine_vectorization_factor): Also take
8758 into account live statements for mask producers.
8760 2016-06-01 Richard Biener <rguenther@suse.de>
8762 PR tree-optimization/71311
8763 * match.pd (@0 < @1 && @0 < @2 -> @0 < min(@1,@2)): Add :c and
8764 restrict to non-INTEGER_CST @0.
8766 2016-06-01 Richard Biener <rguenther@suse.de>
8768 * match.pd ((A & B) - (A & ~B) -> B - (A ^ B)): Add missing :c.
8769 (relational patterns): Use :c to avoid pattern duplications.
8771 2016-06-01 Richard Biener <rguenther@suse.de>
8773 * genmatch.c (comparison_code_p): New predicate.
8774 (swap_tree_comparison): New function.
8775 (commutate): Add for_vec parameter to append new for entries.
8776 Support commutating relational operators by swapping it alongside
8778 (lower_commutative): Adjust.
8779 (dt_simplify::gen): Do not pass artificial operators to gen
8781 (decision_tree::gen): Do not add artificial operators as parameters.
8782 (parser::parse_expr): Verify operator commutativity when :c is
8783 applied. Allow :C to override this.
8784 * match.pd: Adjust patterns to use :C instead of :c where required.
8786 2016-06-01 Patrick Palka <ppalka@gcc.gnu.org>
8788 PR tree-optimization/71077
8789 * tree-ssa-threadedge.c (simplify_control_stmt_condition_1): In
8790 the combining step, use boolean_false_node and boolean_true_node
8791 as the designated false/true return values.
8793 2016-05-31 Jan Hubicka <hubicka@ucw.cz>
8795 * predict.def (PRED_LOOP_EXTRA_EXIT): Define.
8796 * predict.c (predict_iv_comparison): Also check PRED_LOOP_EXTRA_EXIT.
8797 (predict_extra_loop_exits): Use PRED_LOOP_EXTRA_EXIT instead of
8800 2016-05-31 Jan Hubicka <hubicka@ucw.cz>
8802 * doc/invoke.texi (-frename-registers): Drop -fpeel-loops from list
8803 of flags impliying the register renaming.
8804 * toplev.c (process_options): Do not imply flag_rename_registers with
8807 2016-05-31 Oleg Endo <olegendo@gcc.gnu.org>
8809 * config/sh/sh.h (ASM_OUTPUT_SYMBOL_REF): Remove macro and use the
8810 default implementation.
8812 2016-05-31 Nathan Sidwell <nathan@acm.org>
8814 * dwarf2out.c (cur_line_info_table): Add GTY marker.
8816 2016-05-31 Oleg Endo <olegendo@gcc.gnu.org>
8818 * config/sh/constraints.md (b): Remove constraint.
8819 * config/sh/predicates.md (arith_reg_operand): Remove
8821 * config/sh/sh-modes.def (PDI): Remove.
8822 * config/sh/sh.c (sh_target_reg_class,
8823 sh_optimize_target_register_callee_saved): Remove functions.
8824 (sh_option_override): Don't set MASK_SAVE_ALL_TARGET_REGS.
8825 (sh_expand_epilogue): Update comment.
8826 (sh_hard_regno_mode_ok, sh_register_move_cost, calc_live_regs,
8827 sh_secondary_reload): Remove TARGET_REGS related code.
8828 * config/sh/sh.h (FIRST_TARGET_REG, LAST_TARGET_REG,
8829 TARGET_REGISTER_P): Remove macros.
8830 (SH_DBX_REGISTER_NUMBER, REG_ALLOC_ORDER): Remove target regs.
8831 * config/sh/sh.md (PR_MEDIA_REG, T_MEDIA_REG, FR23_REG, TR0_REG,
8832 TR1_REG, TR2_REG): Remove constants.
8833 * config/sh/sh.opt (SAVE_ALL_TARGET_REGS): Remove.
8835 2016-05-31 Oleg Endo <olegendo@gcc.gnu.org>
8837 * config/sh/sh.md (adddi3, subdi3, negdi2, abs<mode>2): Remove
8838 define_expand patterns.
8839 (adddi3_compact): Rename to adddi3.
8840 (subdi3_compact): Rename to subdi3.
8841 (*negdi2): Rename to negdi2.
8842 (*abs<mode>2): Rename to abs<mode>2.
8844 2016-05-31 Oleg Endo <olegendo@gcc.gnu.org>
8846 * config/rx/rx.md (FETCHOP_NO_MINUS): New code iterator.
8847 (atomic_<fetchop_name>_fetchsi): Extract minus operator into ...
8848 (atomic_sub_fetchsi): ... this new pattern.
8849 (mvtc): Add CC_REG clobber.
8851 2016-05-31 Marek Polacek <polacek@redhat.com>
8853 * gimplify.c (gimplify_switch_expr): Also handle GIMPLE_TRY.
8855 2016-05-31 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
8857 * config/aarch64/aarch64.c (aarch_macro_fusion_pair_p): Use
8858 aarch64_fusion_enabled_p to check for fusion capabilities.
8860 2016-05-31 Richard Biener <rguenther@suse.de>
8862 PR tree-optimization/71352
8863 * tree-ssa-reassoc.c (zero_one_operation): Handle op equal to
8864 minus one and a negate.
8866 2016-05-31 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
8868 * config/aarch64/aarch64.c (aarch64_simd_attr_length_move): Delete.
8869 * config/aarch64/aarch64-protos.h (aarch64_simd_attr_length_move):
8871 * config/aarch64/iterators.md (insn_count): Add descriptive comment.
8872 * config/aarch64/aarch64-simd.md (*aarch64_mov<mode>, VSTRUCT modes):
8873 Remove use of aarch64_simd_attr_length_move, set length attribute
8875 (*aarch64_be_movoi): Likewise.
8876 (*aarch64_be_movci): Likewise.
8877 (*aarch64_be_movxi): Likewise.
8879 2016-05-31 Jan Hubicka <hubicka@ucw.cz>
8881 * loop-init.c (gate): Do not enale RTL loop unroller with -fpeel-loops.
8882 It no longer does that.
8883 * toplev.c (process_options): Do not enable flag_web with -fpeel-loops.
8885 2016-05-31 Wladimir J. van der Laan <laanwj@gmail.com>
8887 * config/aarch64/arm_neon.h (vdupb_laneq_s8): Remove spurious
8888 attribute __unused__.
8890 2016-05-31 Thomas Preud'homme <thomas.preudhomme@arm.com>
8892 * config/arm/arm-protos.h (arm_arch_thumb1): Declare.
8893 * config/arm/arm.c (arm_arch_thumb1): Define.
8894 (arm_option_override): Initialize arm_arch_thumb1.
8895 * config/arm/arm.h (arm_arch_thumb1): Declare.
8896 (TARGET_ARM_ARCH_ISA_THUMB): Use arm_arch_thumb to determine if target
8897 support Thumb-1 ISA.
8899 2016-05-31 Kirill Yukhin <kirill.yukhin@intel.com>
8902 * config/i386/sse.md (define_insn_and_split "*vec_extractv4sf_0"): Use
8903 `Yv' for scalar operand.
8905 2016-05-31 Tom de Vries <tom@codesourcery.com>
8907 PR tree-optimization/69068
8908 * graphite-isl-ast-to-gimple.c (copy_bb_and_scalar_dependences): Handle
8909 phis with more than two args.
8911 2016-05-30 Andreas Tobler <andreast@gcc.gnu.org>
8913 * config.gcc: Move hard float support for arm*hf*-*-freebsd* into
8914 armv6*-*-freebsd* for FreeBSD 11. Eliminate the arm*hf*-*-freebsd*
8917 2016-05-30 Jose E. Marchesi <jose.marchesi@oracle.com>
8919 * config.gcc (sparc*-*-*): Support cpu_32, cpu_64, tune_32 and
8921 * doc/install.texi (--with-cpu-32, --with-cpu-64): Document
8923 * config/sparc/linux64.h (OPTION_DEFAULT_SPECS): Add entries for
8924 cpu_32, cpu_64, tune_32 and tune_64.
8925 * config/sparc/sol2.h (OPTION_DEFAULT_SPECS): Likewise.
8927 2016-05-30 Uros Bizjak <ubizjak@gmail.com>
8929 * config/i386/sync.md (mfence_nosse): Use "lock orl $0, -4(%esp)".
8931 2016-05-30 Andi Kleen <ak@linux.intel.com>
8933 * auto-profile.c (read_profile): Replace asserts with errors
8934 when file does not exist.
8935 * gcov-io.c (gcov_read_words): Dito.
8937 2016-05-30 Jan Hubicka <hubicka@ucw.cz>
8939 * tree-cfg.c (print_loop): Print likely upper bounds.
8941 2016-05-30 Jan Hubicka <hubicka@ucw.cz>
8943 * doc/invoke.texi (-fpeel-loops,-O3): Update documentation.
8944 * opts.c (default_options): Enable peel loops at -O3.
8945 * tree-ssa-loop-ivcanon.c (peeled_loops): New static var.
8946 (try_peel_loop): Do not re-peel already peeled loops;
8947 use likely upper bounds; fix profile updating.
8948 (pass_complete_unroll::execute): Initialize peeled_loops.
8950 2016-05-30 Martin Liska <mliska@suse.cz>
8952 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Scale
8953 computed costs by frequency of BB they belong to.
8954 (get_scaled_computation_cost_at): New function.
8956 2016-05-30 Alexander Monakov <amonakov@ispras.ru>
8957 Marc Glisse <marc.glisse@inria.fr>
8959 PR tree-optimization/71289
8960 * match.pd (-1 / B < A, A > -1 / B): New transformations.
8962 2016-05-30 Jan Hubicka <hubicka@ucw.cz>
8964 * tree-vect-loop.c (vect_transform_loop): Update likely bounds.
8966 2016-05-30 Jan Hubicka <hubicka@ucw.cz>
8968 * tree-ssa-loop-ivcanon.c (try_peel_loop): Correctly set wont_exit
8969 for peeled copies; avoid underflow when updating estimates; correctly
8972 2016-05-30 Kugan Vivekanandarajah <kuganv@linaro.org>
8974 * tree-ssa-reassoc.ci (swap_ops_for_binary_stmt): Fix typo from commit
8975 r236875. Corrected oe3 to oe2 as obvious.
8977 2016-05-30 Kugan Vivekanandarajah <kuganv@linaro.org>
8981 * tree-ssa-reassoc.c (insert_stmt_before_use): Use find_insert_point so
8982 that inserted stmt will not dominate stmts that defines its operand.
8983 (rewrite_expr_tree): Add stmt_to_insert before adding the use stmt.
8984 (rewrite_expr_tree_parallel): Likewise.
8986 2016-05-30 Kugan Vivekanandarajah <kuganv@linaro.org>
8989 * tree-ssa-reassoc.c (swap_ops_for_binary_stmt): Fix swap such that
8990 all fields including stmt_to_insert are swapped.
8992 2016-05-30 Jan Hubicka <hubicka@ucw.cz>
8994 * predict.h (force_edge_cold): Declare.
8995 * predict.c (force_edge_cold): New function.
8996 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Fix profile
8998 (canonicalize_loop_induction_variables): Fix formating.
9000 2016-05-30 Eric Botcazou <ebotcazou@adacore.com>
9002 * config/visium/visium.c (visium_split_double_add): Minor tweaks.
9003 (visium_expand_copysign): Use gen_int_mode directly.
9004 (visium_compute_frame_size): Minor tweaks.
9006 2016-05-30 Jan Hubicka <hubicka@ucw.cz>
9008 * tree-vect-loop.c (vect_analyze_loop_2): Use
9009 likely_max_stmt_executions_int.
9011 2016-05-30 Tom de Vries <tom@codesourcery.com>
9013 PR tree-optimization/69067
9014 * graphite-isl-ast-to-gimple.c (get_def_bb_for_const): Remove assert.
9016 2016-05-29 Uros Bizjak <ubizjak@gmail.com>
9019 * config/i386/sync.md (define_peephole2 atomic_storedi_fpu):
9020 New peepholes to remove unneeded fild/fistp pairs.
9021 (define_peephole2 atomic_loaddi_fpu): Ditto.
9023 2016-05-27 Jan Hubicka <hubicka@ucw.cz>
9025 * predict.c (maybe_hot_frequency_p): Avoid division.
9027 2016-05-28 Gerald Pfeifer <gerald@pfeifer.com>
9029 * doc/install.texi: Use https for shop.fsf.org.
9031 2016-05-27 Jan Hubicka <hubicka@ucw.cz>
9033 * tree-ssa-loop-ivopts.c (estimated_stmt_executions_int): Use
9034 likely_max_stmt_executions_int.
9036 2016-05-27 Jan Hubicka <hubicka@ucw.cz>
9038 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Use
9039 likely_max_stmt_executions_int.
9041 2016-05-27 Jan Hubicka <hubicka@ucw.cz>
9043 * profile.c (compute_branch_probabilities): Do not report hitrates
9045 (branch_prob): Report hitrates here.
9046 * predict.c (gimple_predict_edge): Do not assert profile status;
9047 fix formatting issues.
9049 2016-05-27 Jan Hubicka <hubicka@ucw.cz>
9051 * predict.c (edge_predicted_by_p): New function.
9052 (predict_paths_for_bb): Do not put multiple predictions of the same type
9055 2016-05-27 Jan Hubicka <hubicka@ucw.cz>
9057 * tree-ssa-loop-niter.c (number_of_iterations_exit): Revert accidental
9060 2016-05-28 Alan Modra <amodra@gmail.com>
9062 * dominance.c (verify_dominators): Don't segfault on NULL imm_bb.
9064 2016-05-28 Alan Modra <amodra@gmail.com>
9066 PR rtl-optimization/71275
9067 * ira.c (ira): Free dominance info.
9069 2016-05-27 Gerald Pfeifer <gerald@pfeifer.com>
9071 * doc/sourcebuild.texi: New address for upstream Go repository.
9073 2016-05-27 Thomas Preud'homme <thomas.preudhomme@arm.com>
9075 * config/arm/arm.h (TARGET_ARM_V6M): Remove.
9076 (TARGET_ARM_V7M): Likewise.
9078 2016-05-26 Jeff Law <law@redhat.com>
9080 * tree-ssa-threadedge.c: Remove include of tree-ssa-threadbackward.h.
9081 (thread_across_edge): Remove calls to find_jump_threads_backwards.
9082 * passes.def: Add jump threading passes before DOM/VRP.
9083 * tree-ssa-threadbackward.c (find_jump_threads_backwards): Change
9084 argument to a basic block from an edge. Remove tests which are
9086 (pass_data_thread_jumps, class pass_thread_jumps): New.
9087 (pass_thread_jumps::gate, pass_thread_jumps::execute): New.
9088 (make_pass_thread_jumps): Likewise.
9089 * tree-pass.h (make_pass_thread_jumps): Declare.
9091 2016-05-27 Eric Botcazou <ebotcazou@adacore.com>
9093 * config/visium/visium-protos.h (split_double_move): Rename into...
9094 (visium_split_double_move): ...this.
9095 (visium_split_double_add): Declare.
9096 * config/visium/visium.c (split_double_move): Rename into...
9097 (visium_split_double_move): ...this.
9098 (visium_split_double_add): New function.
9099 (visium_expand_copysign): Renumber operands for consistency.
9100 * config/visium/visium.md (DImode move splitter): Adjust to renaming.
9101 (DFmode move splitter): Likewise.
9102 (*addi3_insn): Split by means of visium_split_double_add.
9103 (*adddi3_insn_flags): Delete.
9104 (*plus_plus_sltu<subst_arith>): New insn.
9105 (*subdi3_insn): Split by means of visium_split_double_add.
9106 (subdi3_insn_flags): Delete.
9107 (*minus_minus_sltu<subst_arith>): New insn.
9108 (*negdi2_insn): Split by means of visium_split_double_add.
9109 (*negdi2_insn_flags): Delete.
9111 2016-05-27 Ulrich Weigand <uweigand@de.ibm.com>
9113 * configure.ac: Treat a --with-headers option without argument
9114 the same as the default (i.e. consult sys-include directory).
9115 * configure: Regenerate.
9117 2016-05-27 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
9119 * config/aarch64/aarch64.c (aarch64_fusion_enabled_p): New function.
9120 * config/aarch64/aarch64-protos.h (aarch64_fusion_enabled_p): Declare
9122 * config/aarch64/aarch64-simd.md (aarch64_crypto_aes<aesmc_op>v16qi):
9123 Add "=w,0" alternative. Enable it when AES/AESMC fusion is enabled.
9125 2016-05-27 Jiong Wang <jiong.wang@arm.com>
9128 * config/aarch64/aarch64.c (aarch64_expand_builtin_va_start): Honor
9129 tree-stdarg analysis results.
9130 (aarch64_setup_incoming_varargs): Likewise.
9132 2016-05-27 Jiong Wang <jiong.wang@arm.com>
9134 * config/aarch64/aarch64.c (aarch64_build_builtin_va_list): Initialize
9135 va_list_gpr_counter_field and va_list_fpr_counter_field.
9137 2016-05-27 Wilco Dijkstra <wdijkstr@arm.com>
9140 * config/aarch64/aarch64.h (CANNOT_CHANGE_MODE_CLASS): Remove.
9141 * config/aarch64/aarch64.c
9142 (aarch64_cannot_change_mode_class): Remove function.
9143 * config/aarch64/aarch64-protos.h
9144 (aarch64_cannot_change_mode_class): Remove.
9146 2016-05-27 Jan Hubicka <hubicka@ucw.cz>
9148 * cfgloop.c (record_niter_bound): Record likely upper bounds.
9149 (likely_max_stmt_executions_int, get_likely_max_loop_iterations,
9150 get_likely_max_loop_iterations_int): New.
9151 * cfgloop.h (struct loop): Add nb_iterations_likely_upper_bound,
9152 any_likely_upper_bound.
9153 (get_likely_max_loop_iterations_int, get_likely_max_loop_iterations):
9155 * cfgloopmanip.c (copy_loop_info): Copy likely upper bounds.
9156 * loop-unroll.c (unroll_loop_constant_iterations): Update likely
9158 (unroll_loop_constant_iterations): Likewise.
9159 (unroll_loop_runtime_iterations): Likewise.
9160 * lto-streamer-in.c (input_cfg): Stream likely upper bounds.
9161 * lto-streamer-out.c (output_cfg): Likewise.
9162 * tree-ssa-loop-ivcanon.c (try_peel_loop): Update likely upper
9164 (canonicalize_loop_induction_variables): Dump likely upper bounds.
9165 * tree-ssa-loop-niter.c (record_estimate): Record likely upper bounds.
9166 (likely_max_loop_iterations): New.
9167 (likely_max_loop_iterations_int): New.
9168 (likely_max_stmt_executions): New.
9169 * tree-ssa-loop-niter.h (likely_max_loop_iterations,
9170 likely_max_loop_iterations_int, likely_max_stmt_executions_int,
9171 likely_max_stmt_executions): Declare.
9173 2016-05-27 Marek Polacek <polacek@redhat.com>
9176 * gimple-fold.c (gimple_fold_call): Check that LHS is not null.
9178 2016-05-27 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
9180 * config/s390/s390.md (2x risbg splitters): Use
9181 reg_overlap_mentioned_p instead of rtx_equal_p.
9183 2016-05-27 Dominik Vogt <vogt@linux.vnet.ibm.com>
9185 * combine.c (make_compound_operation): Take known zero bits into
9186 account when checking for possible zero_extend.
9188 2016-05-27 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
9190 * config/aarch64/aarch64.md (ashl<mode>3, SHORT modes):
9191 Use const_int_operand for operand 2 predicate. Simplify expand code
9194 2016-05-27 Ilya Enkovich <ilya.enkovich@intel.com>
9197 * fold-const.c (fold_ternary_loc): Don't fold VEC_COND_EXPR
9200 2016-05-27 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
9202 * config/aarch64/aarch64-modes.def (CC_ZESWP, CC_SESWP): Delete.
9203 * config/aarch64/aarch64.c (aarch64_select_cc_mode): Remove condition
9204 that returns CC_SESWPmode and CC_ZESWPmode.
9205 (aarch64_get_condition_code_1): Remove handling of CC_SESWPmode
9207 (aarch64_rtx_costs): Likewise.
9209 2016-05-26 Michael Meissner <meissner@linux.vnet.ibm.com>
9211 * config/rs6000/rs6000.c (rs6000_emit_p9_fp_minmax): New function
9212 for ISA 3.0 min/max support.
9213 (rs6000_emit_p9_fp_cmove): New function for ISA 3.0 floating point
9214 conditional move support.
9215 (rs6000_emit_cmove): Call rs6000_emit_p9_fp_minmax and
9216 rs6000_emit_p9_fp_cmove if the ISA 3.0 instructions are
9218 * config/rs6000/rs6000.md (SFDF2): New iterator to allow doing
9219 conditional moves where the comparison type is different from move
9221 (fp_minmax): New code iterator for smin/smax.
9222 (minmax): New code attributes for min/max.
9223 (SMINMAX): Likewise.
9224 (smax<mode>3): Combine min, max insns into one insn using the
9225 fp_minmax code iterator. Add support for ISA 3.0 min/max
9226 instructions that don't need -ffast-math.
9227 (s<minmax><mode>3): Likewise.
9228 (smax<mode>3_vsx): Likewise.
9229 (smin<mode>3): Likewise.
9230 (s<minmax><mode>3_vsx): Likewise.
9231 (smin<mode>3_vsx): Likewise.
9232 (pre-VSX min/max splitters): Likewise.
9233 (s<minmax><mode>3_fpr): Likewise.
9234 (movsfcc): Rewrite floating point conditional moves to combine
9235 SFmode/DFmode into a single insn.
9236 (mov<mode>cc): Likewise.
9237 (movdfcc): Likewise.
9238 (fselsfsf4): Combine FSEL cases into a single insn, using SFDF and
9239 SFDF2 iterators to handle all combinations.
9240 (fseldfsf4): Likewise.
9241 (fsel<SFDF:mode><SFDF2:mode>4): Likewise.
9242 (fseldfdf4): Likewise.
9243 (fselsfdf4): Likewise.
9244 (mov<SFDF:mode><SFDF2:mode>cc_p9): Add support for the ISA 3.0
9245 comparison instructions that set a 0/-1 mask, and use it for
9246 floating point conditional move via XXSEL.
9247 (fpmask<mode>): Likewise.
9248 (xxsel<mode>): Likewise.
9249 * config/rs6000/predicates.md (min_max_operator): Delete, no
9251 (fpmask_comparison_operaton): New insn for ISA 3.0 comparison
9252 instructions that generate a 0/-1 mask for use with XXSEL.
9253 * config/rs6000/rs6000.h (TARGET_MINMAX_SF): New helper macros to
9254 say whether floating point min/max is available, either through
9255 FSEL, ISA 2.06 min/max, and ISA 3.0 min/max instrucitons.
9256 (TARGET_MINMAX_DF): Likewise.
9258 2016-05-27 Alan Modra <amodra@gmail.com>
9260 PR rtl-optimization/71275
9261 * ira.c (ira): Call loop_optimizer_init to set up bb_loop_depth
9262 for update_equiv_regs and combine_and_move_insns.
9264 2016-05-26 Uros Bizjak <ubizjak@gmail.com>
9266 * config/i386/i386.md (*movqi_internal) <attr "isa">: Use
9267 if_then_else or cond RTXes to calculate attribute value.
9268 * config/i386/mmx.md (*vec_extractv2sf_1) <attr "prefix_rep">: Ditto.
9269 <attr "length_immediate>: Ditto.
9270 (*vec_extractv2sf_1) <attr "length_immediate">: Ditto.
9271 * config/i386/sse.md (sse_loadlps) <attr "length_immediate">: Ditto.
9272 (*vec_concatv2sf_sse4_1) <attr "isa">: Ditto.
9273 <attr "type">: Ditto.
9274 <attr "prefix_data16">: Ditto.
9275 <attr "prefix_extra">: Ditto.
9276 <attr "length_immediate">: Ditto.
9277 <attr "prefix">: Ditto.
9278 (vec_set<mode>_0) <attr "isa">: Ditto.
9279 <attr "prefix_extra">: Ditto.
9280 <attr "length_immediate">: Ditto.
9281 <attr "prefix">: Ditto.
9282 (*vec_interleave_highv2df) <attr "prefix_data16">: Ditto.
9283 (*vec_interleave_lowv2df) <attr "prefix_data16">: Ditto.
9284 (sse2_storelpd) <attr "prefix_data16">: Ditto.
9285 (sse2_loadhpd) <attr "prefix_data16">: Ditto.
9286 (sse2_loadlpd) <attr "prefix_data16">: Ditto.
9287 <attr "length_immediate">: Ditto.
9288 <attr "prefix">: Ditto.
9289 (sse2_movsd) <attr "length_immediate">: Ditto.
9290 <attr "prefix">: Ditto.
9291 (vec_concatv2df) <attr "isa">: Ditto.
9292 <attr "prefix">: Ditto.
9293 (*vec_extractv4si) <attr "prefix_extra">: Ditto.
9294 (*vec_extractv2di_1) <attr "isa">: Ditto.
9295 <attr "type">: Ditto.
9296 <attr "length_immediate">: Ditto.
9297 <attr "prefix_rex">: Ditto.
9298 <attr "prefix_extra">: Ditto.
9299 (*vec_concatv2si_sse4_1) <attr "type">: Ditto.
9300 <attr "prefix_extra">: Ditto.
9301 <attr "length_immediate">: Ditto.
9302 (vec_concatv2di) <attr "isa">: Ditto.
9303 <attr "prefix_extra">: Ditto.
9304 <attr "length_immediate">: Ditto.
9305 <attr "prefix">: Ditto.
9307 2016-05-26 Martin Liska <mliska@suse.cz>
9309 * tree-ssa-loop-ivopts.c (comp_cost::infinite_cost_p): New
9311 (operator+): Likewise.
9312 (operator-): Likewise.
9313 (comp_cost::operator+=): Likewise.
9314 (comp_cost::operator-=): Likewise.
9315 (comp_cost::operator/=): Likewise.
9316 (comp_cost::operator*=): Likewise.
9317 (operator<): Likewise.
9318 (operator==): Likewise.
9319 (operator<=): Likewise.
9321 (infinite_cost_p): Likewise.
9322 (add_costs): Likewise.
9323 (sub_costs): Likewise.
9324 (compare_costs): Likewise.
9325 (set_group_iv_cost): Use the newly introduced functions.
9326 (get_address_cost): Likewise.
9327 (get_shiftadd_cost): Likewise.
9328 (force_expr_to_var_cost): Likewise.
9329 (split_address_cost): Likewise.
9330 (ptr_difference_cost): Likewise.
9331 (difference_cost): Likewise.
9332 (get_computation_cost_at): Likewise.
9333 (determine_group_iv_cost_generic): Likewise.
9334 (determine_group_iv_cost_address): Likewise.
9335 (determine_group_iv_cost_cond): Likewise.
9336 (autoinc_possible_for_pair): Likewise.
9337 (determine_group_iv_costs): Likewise.
9338 (cheaper_cost_pair): Likewise.
9339 (iv_ca_recount_cost): Likewise.
9340 (iv_ca_set_no_cp): Likewise.
9341 (iv_ca_set_cp): Likewise.
9342 (iv_ca_cost): Likewise.
9343 (iv_ca_new): Likewise.
9344 (iv_ca_dump): Likewise.
9345 (iv_ca_narrow): Likewise.
9346 (iv_ca_prune): Likewise.
9347 (iv_ca_replace): Likewise.
9348 (try_add_cand_for): Likewise.
9349 (try_improve_iv_set): Likewise.
9350 (find_optimal_iv_set): Likewise.
9352 2016-05-26 Richard Sandiford <richard.sandiford@arm.com>
9354 * tree-ssa-loop-ivopts.c (loop_body_includes_call): Don't assume
9355 that internal functions will clobber all caller-saved registers.
9357 2016-05-26 Wilco Dijkstra <wdijkstr@arm.com>
9359 * config/aarch64/aarch64.c (aarch64_case_values_threshold):
9360 Return a better case_values_threshold when optimizing.
9362 2016-05-26 Wilco Dijkstra <wdijkstr@arm.com>
9364 * config/aarch64/aarch64-simd.md (aarch64_combinez):
9365 Add ? to integer variant.
9366 (aarch64_combinez_be): Likewise.
9368 2016-05-26 Jakub Jelinek <jakub@redhat.com>
9370 * config/i386/sse.md (*vcvtps2ph_store<mask_name>): Use v constraint
9371 instead of x constraint.
9372 (vcvtps2ph256<mask_name>): Likewise.
9374 * config/i386/sse.md (*ssse3_palignr<mode>_perm): Add avx512bw
9375 alternative. Formatting fix.
9377 * config/i386/sse.md
9378 (<mask_codefor>avx512vl_shuf_<shuffletype>32x4_1<mask_name>): Rename
9380 (avx512vl_shuf_<shuffletype>32x4_1<mask_name>): ... this.
9381 (*avx_vperm_broadcast_v4sf): Use v constraint instead of x. Use
9382 maybe_evex prefix instead of vex.
9383 (*avx_vperm_broadcast_<mode>): Use v constraint instead of x. Handle
9384 EXT_REX_SSE_REG_P (op0) case in the splitter.
9386 2016-05-25 Jeff Law <law@redhat.com>
9388 PR tree-optimization/71272
9389 * tree-ssa-threadbackward.c (convert_and_register_jump_thread_path):
9390 Update comments. Add test for empty path.
9392 2016-05-25 Bill Seurer <seurer@linux.vnet.ibm.com>
9394 * config/rs6000/altivec.h (vec_cmpne): Add #define for vec_cmpne.
9395 * config/rs6000/rs6000-builtin.def (vec_cmpne): Add vec_cmpne as a
9396 special case builtin.
9397 * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Add
9398 code for ALTIVEC_BUILTIN_VEC_CMPNE.
9399 * config/rs6000/rs6000.c (altivec_init_builtins): Add definition
9400 for __builtin_vec_cmpne.
9402 2016-05-25 Eric Botcazou <ebotcazou@adacore.com>
9404 * tree-ssa-phiopt.c (factor_out_conditional_conversion): Remove
9405 redundant test and bail out if the type of the new operand is not
9406 a GIMPLE register type after stripping a VIEW_CONVERT_EXPR.
9408 2016-05-25 Uros Bizjak <ubizjak@gmail.com>
9410 * config/i386/i386.opt (ix86_target_flags_explicit): Remove.
9411 (x_ix86_target_flags_explicit): Remove.
9412 * config/i386/i386.c (ix86_function_specific_save): Do not copy
9413 x_ix86_target_flags_explicit.
9414 (ix86_function_specific_restore): Ditto.
9416 2016-05-25 Uros Bizjak <ubizjak@gmail.com>
9417 H.J. Lu <hongjiu.lu@intel.com>
9420 * common/config/i386/i386-common.c
9421 (OPTION_MASK_ISA_GENERAL_REGS_ONLY_UNSET): New.
9422 (ix86_handle_option) <case OPT_mgeneral_regs_only>: Disable
9423 MPX, MMX, SSE and x87 instructions for -mgeneral-regs-only.
9424 * config/i386/i386.opt (ix86_target_flags): Add new Variable.
9425 (-mgeneral-regs-only): Add new option.
9426 * config/i386/i386.c (ix86_option_override_internal): Don't enable
9427 x87 instructions if only general registers are allowed.
9428 (ix86_target_string): Add ix86_flags argument. Handle additional
9429 flags options through ix86_flags argument. Update all callers.
9430 * doc/invoke.texi (x86 Options): Document -mgeneral-regs-only.
9432 2016-05-25 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
9434 PR rtl-optimization/66940
9435 * ifcvt.c (noce_get_alt_condition): Check that incrementing or
9436 decrementing desired_val will not overflow before performing these
9439 2016-05-25 Ilya Verbin <ilya.verbin@intel.com>
9441 * config/i386/i386-builtin-types.def: Add V16SI_FTYPE_V16SF,
9442 V8DF_FTYPE_V8DF_ROUND, V16SF_FTYPE_V16SF_ROUND, V16SI_FTYPE_V16SF_ROUND.
9443 * config/i386/i386.c (enum ix86_builtins): Add
9444 IX86_BUILTIN_CVTPS2DQ512_MASK, IX86_BUILTIN_FLOORPS512,
9445 IX86_BUILTIN_FLOORPD512, IX86_BUILTIN_CEILPS512, IX86_BUILTIN_CEILPD512,
9446 IX86_BUILTIN_TRUNCPS512, IX86_BUILTIN_TRUNCPD512,
9447 IX86_BUILTIN_CVTPS2DQ512, IX86_BUILTIN_VEC_PACK_SFIX512,
9448 IX86_BUILTIN_FLOORPS_SFIX512, IX86_BUILTIN_CEILPS_SFIX512,
9449 IX86_BUILTIN_ROUNDPS_AZ_SFIX512.
9450 (builtin_description bdesc_args): Add __builtin_ia32_floorps512,
9451 __builtin_ia32_ceilps512, __builtin_ia32_truncps512,
9452 __builtin_ia32_floorpd512, __builtin_ia32_ceilpd512,
9453 __builtin_ia32_truncpd512, __builtin_ia32_cvtps2dq512,
9454 __builtin_ia32_vec_pack_sfix512, __builtin_ia32_roundps_az_sfix512,
9455 __builtin_ia32_floorps_sfix512, __builtin_ia32_ceilps_sfix512.
9456 Change IX86_BUILTIN_CVTPS2DQ512 to IX86_BUILTIN_CVTPS2DQ512_MASK for
9457 __builtin_ia32_cvtps2dq512_mask.
9458 (ix86_expand_args_builtin): Handle V8DF_FTYPE_V8DF_ROUND,
9459 V16SF_FTYPE_V16SF_ROUND, V16SI_FTYPE_V16SF_ROUND, V16SI_FTYPE_V16SF.
9460 (ix86_builtin_vectorized_function): Handle builtins mentioned above.
9461 * config/i386/sse.md
9462 (<mask_codefor>avx512f_fix_notruncv16sfv16si<mask_name><round_name>):
9464 (avx512f_fix_notruncv16sfv16si<mask_name><round_name>): ... this.
9465 (<mask_codefor>avx512f_cvtpd2dq512<mask_name><round_name>): Rename
9467 (avx512f_cvtpd2dq512<mask_name><round_name>): ... this.
9468 (avx512f_vec_pack_sfix_v8df): New define_expand.
9469 (avx512f_roundpd512): Rename to ...
9470 (avx512f_round<castmode>512): ... this. Change iterator.
9471 (avx512f_roundps512_sfix): New define_expand.
9472 (round<mode>2_sfix): Change iterator.
9474 2016-05-25 Nick Clifton <nickc@redhat.com>
9476 * config/msp430/msp430.c (msp430_attr): Produce an error if a
9477 static interrupt handler is detected.
9478 * config/msp430/msp430.h (LIB_SPEC): Do not use msp430.ld as the
9479 default linker script.
9480 * config/msp430/msp430.md (movpsihi2_lo): New pattern for loading
9481 the low part of a symbolic pointer.
9483 2016-05-25 Richard Biener <rguenther@suse.de>
9485 PR tree-optimization/71261
9486 * tree-if-conv.c (ifcvt_split_def_stmt): Walk uses on the
9487 interesting stmt instead of immediate uses when looking
9488 for the use operand to replace.
9490 2016-05-25 Martin Liska <mliska@suse.cz>
9492 * ipa-inline.c (edge_badness): Use 'w/' instead of 'w'.
9494 2016-05-25 Richard Biener <rguenther@suse.de>
9496 PR tree-optimization/71264
9497 * tree-vect-stmts.c (vect_init_vector): Properly deal with
9500 2016-05-25 Martin Liska <mliska@suse.cz>
9502 PR tree-optimization/71239
9503 * tree.c (array_at_struct_end_p): Do not call operand_equal_p
9504 if DECL_SIZE is NULL.
9506 2016-05-25 Richard Biener <rguenther@suse.de>
9508 * timevar.def (TV_TREE_LOOP_IFCVT): Add.
9509 * tree-if-conv.c (pass_data_if_conversion): Use it.
9511 2016-05-25 Bernd Edlinger <bernd.edlinger@hotmail.de>
9513 * cgraph.c (cgraph_node::get_availability): Fix typo in comment.
9514 * symtab.c (symtab_node::binds_to_current_def_p): Likewise.
9515 * varpool.c (varpool_node::get_availability): Likewise.
9517 2016-05-24 Michael Meissner <meissner@linux.vnet.ibm.com>
9519 * config/rs6000/altivec.md (VNEG iterator): New iterator for
9520 VNEGW/VNEGD instructions.
9521 (p9_neg<mode>2): New insns for ISA 3.0 VNEGW/VNEGD.
9522 (neg<mode>2): Add expander for V2DImode added in ISA 2.07, and
9523 support for ISA 3.0 VNEGW/VNEGD instructions.
9525 2016-05-24 Cesar Philippidis <cesar@codesourcery.com>
9527 * gimplify.c (omp_notice_variable): Use zero-length arrays for data
9528 pointers inside OACC_DATA regions.
9529 (gimplify_scan_omp_clauses): Prune firstprivate clause associated
9530 with OACC_DATA, OACC_ENTER_DATA and OACC_EXIT data regions.
9531 (gimplify_adjust_omp_clauses): Fix typo in comment.
9533 2016-05-24 Michael Meissner <meissner@linux.vnet.ibm.com>
9535 * config/rs6000/altivec.md (VParity): New mode iterator for vector
9536 parity built-in functions.
9537 (p9v_ctz<mode>2): Add support for ISA 3.0 vector count trailing
9539 (p9v_parity<mode>2): Likewise.
9540 * config/rs6000/vector.md (VEC_IP): New mode iterator for vector
9542 (ctz<mode>2): ISA 3.0 expander for vector count trailing zeros.
9543 (parity<mode>2): ISA 3.0 expander for vector parity.
9544 * config/rs6000/rs6000-builtin.def (BU_P9_MISC_1): New macros for
9546 (BU_P9_64BIT_MISC_0): Likewise.
9547 (BU_P9_MISC_0): Likewise.
9548 (BU_P9V_AV_1): Likewise.
9549 (BU_P9V_AV_2): Likewise.
9550 (BU_P9V_AV_3): Likewise.
9551 (BU_P9V_AV_P): Likewise.
9552 (BU_P9V_VSX_1): Likewise.
9553 (BU_P9V_OVERLOAD_1): Likewise.
9554 (BU_P9V_OVERLOAD_2): Likewise.
9555 (BU_P9V_OVERLOAD_3): Likewise.
9556 (VCTZB): Add vector count trailing zeros support.
9560 (VPRTYBD): Add vector parity support.
9561 (VPRTYBQ): Likewise.
9562 (VPRTYBW): Likewise.
9563 (VCTZ): Add overloaded vector count trailing zeros support.
9564 (VPRTYB): Add overloaded vector parity support.
9565 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
9566 overloaded vector count trailing zeros and parity instructions.
9567 * config/rs6000/rs6000.md (wd mode attribute): Add V1TI and TI for
9568 vector parity support.
9569 * config/rs6000/altivec.h (vec_vctz): Add ISA 3.0 vector count
9570 trailing zeros support.
9571 (vec_cntlz): Likewise.
9572 (vec_vctzb): Likewise.
9573 (vec_vctzd): Likewise.
9574 (vec_vctzh): Likewise.
9575 (vec_vctzw): Likewise.
9576 (vec_vprtyb): Add ISA 3.0 vector parity support.
9577 (vec_vprtybd): Likewise.
9578 (vec_vprtybw): Likewise.
9579 (vec_vprtybq): Likewise.
9580 * doc/extend.texi (PowerPC AltiVec Built-in Functions): Document
9581 the ISA 3.0 vector count trailing zeros and vector parity built-in
9584 2016-05-24 Kugan Vivekanandarajah <kuganv@linaro.org>
9586 * tree-ssa-reassoc.c (sort_by_operand_rank): Skip checking gimple_bb
9587 when there is stmt_to_insert.
9589 2016-05-24 Martin Sebor <msebor@redhat.com>
9592 * tree.h (complete_or_array_type_p): New inline function.
9594 2016-05-24 Jakub Jelinek <jakub@redhat.com>
9596 * config/i386/i386.h (TARGET_AVOID_4BYTE_PREFIXES): Define.
9597 * config/i386/constraints.md (Yr): Test TARGET_AVOID_4BYTE_PREFIXES
9598 rather than X86_TUNE_AVOID_4BYTE_PREFIXES.
9600 * config/i386/sse.md (<sse4_1>_round<ssemodesuffix><avxsizesuffix>):
9601 Limit 1st alternative to noavx isa, split 2nd alternative into one
9602 noavx and one avx alternative, use *x and Bm in the former and
9603 x and m in the latter.
9605 * config/i386/sse.md (vec_set<mode>_0): Use sse4_noavx isa instead
9606 of sse4 for the first alternative, drop %v from the template
9607 and d operand modifier. Split second alternative into one sse4_noavx
9608 and one avx alternative, use *x instead of *v in the former and v
9609 instead of *v in the latter.
9610 (*sse4_1_extractps): Use noavx isa instead of * for the first
9611 alternative, drop %v from the template. Split second alternative into
9612 one noavx and one avx alternative, use *x instead of *v in the
9613 former and v instead of *v in the latter.
9614 (<vi8_sse4_1_avx2_avx512>_movntdqa): Guard the first 2 alternatives
9615 with noavx and the last one with avx.
9616 (sse4_1_phminposuw): Guard first alternative with noavx isa,
9617 split the second one into one noavx and one avx alternative,
9618 use *x and Bm in the former and x and m in the latter one.
9619 (<sse4_1>_ptest<mode>): Use noavx instead of * for the first two
9622 * config/i386/sse.md (sse4_1_<code>v8qiv8hi2<mask_name>): Limit
9623 first two alternatives to noavx, use *x instead of *v in the second
9624 one, add avx alternative without *.
9625 (sse4_1_<code>v4qiv4si2<mask_name>, sse4_1_<code>v4hiv4si2<mask_name>,
9626 sse4_1_<code>v2qiv2di2<mask_name>, sse4_1_<code>v2hiv2di2<mask_name>,
9627 sse4_1_<code>v2siv2di2<mask_name>): Likewise.
9629 2016-05-24 Jeff Law <law@redhat.com>
9631 * tree-ssa-threadbackwards.c (convert_and_register_jump_thread_path):
9632 New function, extracted from...
9633 (fsm_find_control_statement_thread_paths): Here. Use the new function.
9634 Allow simple copies and constant initializations in the SSA chain.
9636 2016-05-24 Marek Polacek <polacek@redhat.com>
9639 * gimplify.c (gimplify_switch_expr): Look into the innermost lexical
9642 2016-05-24 Jakub Jelinek <jakub@redhat.com>
9645 * tree-vect-stmts.c (vectorizable_simd_clone_call): Handle
9646 SIMD_CLONE_ARG_TYPE_LINEAR_REF_CONSTANT_STEP like
9647 SIMD_CLONE_ARG_TYPE_LINEAR_CONSTANT_STEP. Add
9648 SIMD_CLONE_ARG_TYPE_LINEAR_VAL_CONSTANT_STEP and
9649 SIMD_CLONE_ARG_TYPE_LINEAR_UVAL_CONSTANT_STEP cases explicitly.
9651 2016-05-24 Richard Biener <rguenther@suse.de>
9653 PR tree-optimization/71240
9654 * tree-ssa-math-opts.c (init_symbolic_number): Verify the source
9657 2016-05-24 Richard Biener <rguenther@suse.de>
9659 PR tree-optimization/71230
9660 * tree-ssa-reassoc.c (zero_one_operation): Handle negate special ops.
9662 2016-05-24 Richard Sandiford <richard.sandiford@arm.com>
9664 * tree-vectorizer.h (vectorizable_comparison): Delete.
9665 * tree-vect-loop.c (vectorizable_reduction): Remove redundant
9666 PURE_SLP_STMT check.
9667 * tree-vect-stmts.c (vectorizable_call): Likewise.
9668 (vectorizable_simd_clone_call): Likewise.
9669 (vectorizable_conversion): Likewise.
9670 (vectorizable_assignment): Likewise.
9671 (vectorizable_shift): Likewise.
9672 (vectorizable_operation): Likewise.
9673 (vectorizable_load): Likewise.
9674 (vectorizable_condition): Likewise.
9675 (vectorizable_store): Likewise. Assert that we don't have
9677 (vectorizable_comparison): Make static. Remove redundant
9678 PURE_SLP_STMT check.
9679 (vect_transform_stmt): Assert that we always have an slp_node
9682 2016-05-24 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
9684 * config/arm/neon.md (ashldi3_neon): Replace comparison of INTVAL of
9685 operands[2] against 1 with comparison against CONST1_RTX.
9686 (<shift>di3_neon): Likewise.
9687 * config/arm/predicates.md (const0_operand): Replace with comparison
9690 2016-05-24 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
9692 * config/arm/arm.md (ashldi3): Replace comparison of INTVAL of
9693 operands[2] against 1 with comparison against CONST1_RTX.
9694 (ashrdi3): Likewise.
9695 (lshrdi3): Likewise.
9696 (ashlsi3): Replace cast of INTVAL to unsigned HOST_WIDE_INT with
9698 (ashrsi3): Likewise.
9699 (lshrsi3): Likewise.
9700 (rotrsi3): Likewise.
9701 (define_split above *compareqi_eq0): Likewise.
9702 (define_split above "prologue"): Likewise.
9703 * config/arm/arm.c (thumb1_size_rtx_costs): Likewise.
9704 * config/arm/predicates.md (shift_operator): Likewise.
9705 (shift_nomul_operator): Likewise.
9706 (sat_shift_operator): Likewise.
9707 (thumb1_cmp_operand): Likewise.
9708 (const_neon_scalar_shift_amount_operand): Replace manual range
9709 check with IN_RANGE.
9710 * config/arm/thumb1.md (define_peephole2 above *thumb_subdi3):
9711 Replace cast of INTVAL to unsigned HOST_WIDE_INT with UINTVAL.
9713 2016-05-24 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
9715 * config/arm/arm.md (andsi3): Replace cast of 1 to HOST_WIDE_INT
9716 with HOST_WIDE_INT_1.
9718 * config/arm/arm.c (optimal_immediate_sequence): Replace cast of
9719 1 to unsigned HOST_WIDE_INT with HOST_WIDE_INT_1U.
9720 (arm_canonicalize_comparison): Likewise.
9721 (thumb1_rtx_costs): Replace cast of 1 to HOST_WIDE_INT with
9723 (thumb1_size_rtx_costs): Likewise.
9724 (vfp_const_double_index): Replace cast of 1 to unsigned
9725 HOST_WIDE_INT with HOST_WIDE_INT_1U.
9726 (get_jump_table_size): Replace cast of 1 to HOST_WIDE_INT with
9728 (arm_asan_shadow_offset): Replace cast of 1 to unsigned
9729 HOST_WIDE_INT with HOST_WIDE_INT_1U.
9730 * config/arm/neon.md (vec_set<mode>): Replace cast of 1 to
9731 HOST_WIDE_INT with HOST_WIDE_INT_1.
9733 2016-05-24 Marek Polacek <polacek@redhat.com>
9735 * tree-cfg.h (should_remove_lhs_p): New predicate.
9736 * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Use it.
9737 * gimplify.c (gimplify_modify_expr): Likewise.
9738 * tree-cfg.c (verify_gimple_call): Likewise.
9739 * tree-cfgcleanup.c (fixup_noreturn_call): Likewise.
9740 * gimple-fold.c: Include "tree-cfg.h".
9741 (gimple_fold_call): Use should_remove_lhs_p.
9743 2016-05-24 Richard Biener <rguenther@suse.de>
9745 PR tree-optimization/71253
9746 * cfganal.h (control_dependences): Make robust against edge
9748 (control_dependences::control_dependences): Remove edge_list argument.
9749 (control_dependences::get_edge): Remove.
9750 (control_dependences::get_edge_src): Add.
9751 (control_dependences::get_edge_dest): Likewise.
9752 (control_dependences::m_el): Make a vector of edge src/dest index.
9753 * cfganal.c (control_dependences::find_control_dependence): Adjust.
9754 (control_dependences::control_dependences): Likewise.
9755 (control_dependences::~control_dependence): Likewise.
9756 (control_dependences::get_edge): Remove.
9757 (control_dependences::get_edge_src): Add.
9758 (control_dependences::get_edge_dest): Likewise.
9759 * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Use
9761 (perform_tree_ssa_dce): Adjust.
9762 * tree-loop-distribution.c (create_edge_for_control_dependence): Use
9764 (pass_loop_distribution::execute): Adjust. Do loop destroying
9765 conditional on changed.
9767 2016-05-24 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
9770 * config/arm/arm.c (gen_operands_ldrd_strd): Remove bogus early
9771 return. Reindent transformation comment and mention the ARM state
9774 2016-05-24 Kugan Vivekanandarajah <kuganv@linaro.org>
9777 * tree-ssa-reassoc.c (rewrite_expr_tree_parallel): Add stmt_to_insert
9778 after build_and_add_sum creates new use stmt.
9780 2016-05-24 Richard Sandiford <richard.sandiford@arm.com>
9782 * tree-vect-stmts.c (vectorizable_load): Reorder checks so that
9783 load_lanes/grouped_load classification comes first. Don't check
9784 whether the vectorization factor is a multiple of the group size
9787 2016-05-24 Richard Sandiford <richard.sandiford@arm.com>
9789 * tree-vect-data-refs.c (vect_analyze_group_access_1): Set
9790 GROUP_GAP for single-element interleaving.
9791 * tree-vect-stmts.c (vectorizable_load): Remove force_peeling
9794 2016-05-24 Richard Biener <rguenther@suse.de>
9798 * tree-ssa.c (non_rewritable_mem_ref_base): Make sure to mark
9799 bases which are accessed with non-invariant indices.
9800 * gimple-fold.c (maybe_canonicalize_mem_ref_addr): Re-write
9801 constant index ARRAY_REFs of vectors into BIT_FIELD_REFs.
9803 2016-05-24 Kugan Vivekanandarajah <kuganv@linaro.org>
9806 * tree-ssa-reassoc.c (struct operand_entry): Add field stmt_to_insert.
9807 (add_to_ops_vec): Add stmt_to_insert.
9808 (add_repeat_to_ops_vec): Init stmt_to_insert.
9809 (insert_stmt_before_use): New.
9810 (transform_add_to_multiply): Remove mult_stmt insertion and add it
9812 (get_ops): Init stmt_to_insert.
9813 (maybe_optimize_range_tests): Likewise.
9814 (rewrite_expr_tree): Insert stmt_to_insert before use stmt.
9815 (rewrite_expr_tree_parallel): Likewise.
9816 (reassociate_bb): Likewise.
9818 2016-05-23 Michael Meissner <meissner@linux.vnet.ibm.com>
9821 * config/rs6000/altivec.md (altivec_vperm_<mode>_internal): Drop
9822 ISA 3.0 xxperm fusion alternative.
9823 (altivec_vperm_v8hiv16qi): Likewise.
9824 (altivec_vperm_<mode>_uns_internal): Likewise.
9825 (vperm_v8hiv4si): Likewise.
9826 (vperm_v16qiv8hi): Likewise.
9828 2016-05-23 Michael Meissner <meissner@linux.vnet.ibm.com>
9829 Kelvin Nilsen <kelvin@gcc.gnu.org>
9831 * config/rs6000/rs6000.c (rs6000_expand_vector_set): Generate
9832 vpermr/xxpermr on ISA 3.0.
9833 (altivec_expand_vec_perm_le): Likewise.
9834 * config/rs6000/altivec.md (UNSPEC_VPERMR): New unspec.
9835 (altivec_vpermr_<mode>_internal): Add VPERMR/XXPERMR support for
9838 2016-05-23 Uros Bizjak <ubizjak@gmail.com>
9840 * config/i386/i386.h (IS_STACK_MODE): Enable for
9841 TARGET_MIX_SSE_I387. Rewrite using X87_FLOAT_MODE_P and
9842 SSE_FLOAT_MODE_P macros.
9843 * config/i386/i386.c (ix86_preferred_reload_class): Use
9844 IS_STACK_MODE, INTEGER_CLASS_P, FLOAT_CLASS_P and Q_CLASS_P macros.
9845 Cleanup regclass processing for CONST_DOUBLE_P.
9846 (ix86_preferred_output_reload_class): Use IS_STACK_MODE macro.
9847 (ix86_rtx_costs): Remove redundant TARGET_80387 check
9848 with IS_STACK_MODE macro.
9849 * config/i386/i386.md: Replace SSE_FLOAT_MODE_P (DFmode)
9851 (*movdf_internal): Use IS_STACK_MODE macro.
9852 (*movsf_internal): Ditto.
9854 2016-05-23 Marc Glisse <marc.glisse@inria.fr>
9856 * match.pd (a * (1 << b), ~x & ~y, ~X ^ ~Y, (X ^ Y) ^ Y, ~ (-A),
9857 ~ (A - 1), ~(~X >> Y), ~(~X >>r Y)): Relax constraints.
9859 2016-05-23 Jeff Law <law@redhat.com>
9861 * tree-ssa-threadbackward.c (profitable_jump_thread_path): New function
9863 (fsm_find_control_statement_thread_paths): Call it.
9865 2016-05-23 Martin Jambor <mjambor@suse.cz>
9868 * ipa-cp.c (ipa_get_indirect_edge_target_1): Only check value of
9869 from_global_constant if t is not NULL.
9871 2016-05-23 Marek Polacek <polacek@redhat.com>
9874 * common.opt (Wswitch-unreachable): New option.
9875 * doc/invoke.texi: Document -Wswitch-unreachable.
9876 * gimplify.c (gimplify_switch_expr): Implement the -Wswitch-unreachable
9879 2016-05-23 Bin Cheng <bin.cheng@arm.com>
9881 * tree-ssa-address.c (copy_ref_info): Check NULL TMR_STEP when
9882 TMR_INDEX is non-NULL.
9884 2016-05-23 Richard Biener <rguenther@suse.de>
9886 PR tree-optimization/71230
9887 * tree-ssa-reassoc.c (acceptable_pow_call): Move initial condition...
9888 (try_special_add_to_ops): ... here. Always test for single-use.
9890 2016-05-23 Martin Jambor <mjambor@suse.cz>
9892 * hsa-gen.c (gen_hsa_insns_for_switch_stmt): Create an empty
9893 default block if a PHI node in the original one would be resized.
9895 2016-05-23 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
9897 PR tree-optimization/58135
9898 * tree-vect-slp.c: When group size is not multiple
9899 of vector size, allow splitting of store group at
9902 2016-05-23 Christophe Lyon <christophe.lyon@linaro.org>
9904 * config/arm/arm_neon.h (vtst_p16, vtstq_p16): New.
9906 2016-05-22 Jakub Jelinek <jakub@redhat.com>
9908 * config/i386/sse.md (vec_set_lo_<mode><mask_name>,
9909 vec_set_hi_<mode><mask_name>): Add && <mask_avx512dq_condition>
9910 condition. For !TARGET_AVX512DQ, emit 32x4 instruction instead
9913 * config/i386/sse.md (vec_set_lo_v16hi, vec_set_hi_v16hi,
9914 vec_set_lo_v32qi, vec_set_hi_v32qi): Add alternative with
9915 v constraint instead of x and vinserti32x4 insn.
9917 * config/i386/sse.md (i128vldq): New mode iterator.
9918 (avx2_vbroadcasti128_<mode>, avx_vbroadcastf128_<mode>): Add
9919 avx512dq and avx512vl alternatives.
9921 * config/i386/sse.md (avx2_vec_dupv4df): Use v instead of x
9922 constraint, use maybe_evex prefix instead of vex.
9923 (vec_dupv4sf): Use v constraint instead of x for output
9924 operand except for noavx alternative, use Yv constraint
9925 instead of x for input. Use maybe_evex prefix instead of vex.
9926 (*vec_dupv4si): Likewise.
9927 (*vec_dupv2di): Likewise.
9929 2016-05-22 Kugan Vivekanandarajah <kuganv@linaro.org>
9932 * tree-ssa-reassoc.c (try_special_add_to_ops): New.
9933 (linearize_expr_tree): Call try_special_add_to_ops.
9934 (reassociate_bb): Convert MULT_EXPR by (-1) to NEGATE_EXPR.
9936 2016-05-21 Senthil Kumar Selvaraj <senthil_kumar.selvaraj@atmel.com>
9938 * config/avr/avr.c (avr_expand_prologue): Add INCOMING_FRAME_SP_OFFSET
9939 to computed stack_usage.
9941 2016-05-21 Pitchumani Sivanupandi <pitchumani.s@atmel.com>
9944 * config/avr/avr.md (define_expand "mov<mode>"): If the source
9945 operand is subreg (symbol_ref) then move the symbol ref to register.
9947 2016-05-21 Jan Hubicka <hubicka@ucw.cz>
9949 * tree.c (array_at_struct_end_p): Look through MEM_REF.
9951 2016-05-21 Kugan Vivekanandarajah <kuganv@linaro.org>
9954 * tree-ssa-reassoc.c (transform_add_to_multiply): Disallow float
9957 2016-05-20 Eric Botcazou <ebotcazou@adacore.com>
9959 * tree-vrp.c (compare_values_warnv): Simplify handling of symbolic
9960 ranges by calling get_single_symbol and tidy up. Look more closely
9961 into NAME + CST1 vs CST2 comparisons if type overflow is undefined.
9963 2016-05-20 Jeff Law <law@redhat.com>
9965 * bitmap.c (bitmap_find_bit): Remove useless test.
9967 2016-05-20 Segher Boessenkool <segher@kernel.crashing.org>
9969 * function.c (thread_prologue_and_epilogue_insns): Commit the
9970 insertion of the epilogue.
9972 2016-05-20 Martin Jambor <mjambor@suse.cz>
9974 PR tree-optimization/70884
9975 * tree-sra.c (initialize_constant_pool_replacements): Do not check
9976 should_scalarize_away_bitmap and cannot_scalarize_away_bitmap bits.
9977 (sort_and_splice_var_accesses): Do not consider multiple scalar reads
9978 of constant pool data as a reason for scalarization.
9980 2016-05-20 Eric Botcazou <ebotcazou@adacore.com>
9982 * config/arm/arm.c (arm_expand_prologue): Set the stack usage to 0
9983 for naked functions.
9984 (thumb1_expand_prologue): Likewise.
9986 2016-05-20 Nathan Sidwell <nathan@acm.org>
9988 * config/nvptx/nptx.c (nvptx_option_override): Only set
9989 flag_toplevel_reorder, if not explicitly specified. Set
9990 flag_no_common, unless explicitly specified.
9992 2016-05-20 David Malcolm <dmalcolm@redhat.com>
9994 * calls.c (can_implement_as_sibling_call_p): Mark param
9995 reg_parm_stack_space with ATTRIBUTE_UNUSED.
9997 2016-05-20 Uros Bizjak <ubizjak@gmail.com>
9999 * config/i386/i386.c (ix86_rtx_costs) <case CONST_DOUBLE>:
10000 Use IS_STACK_MODE when calculating cost of standard 80387 constants.
10001 Fallthru to CONST_VECTOR case to calculate cost of standard SSE
10003 <case CONST_WIDE_INT>: Calculate cost of (MEM (SYMBOL_REF)).
10004 (ix86_legitimate_constant_p): Use CASE_CONST_SCALAR_INT
10005 and CASE_CONST_ANY.
10007 2016-05-20 Cesar Philippidis <cesar@codesourcery.com>
10009 * config/nvptx/nvptx.md (sincossf3): New pattern.
10011 2016-05-20 David Malcolm <dmalcolm@redhat.com>
10013 * calls.c (maybe_complain_about_tail_call): New function.
10014 (initialize_argument_information): Call
10015 maybe_complain_about_tail_call when clearing *may_tailcall.
10016 (can_implement_as_sibling_call_p): Call
10017 maybe_complain_about_tail_call when returning false.
10018 (expand_call): Read CALL_EXPR_MUST_TAIL_CALL and, if set,
10019 ensure try_tail_call is set. Call maybe_complain_about_tail_call
10020 if tail-call optimization fails.
10021 * cfgexpand.c (expand_call_stmt): Initialize
10022 CALL_EXPR_MUST_TAIL_CALL from gimple_call_must_tail_p.
10023 * gimple-pretty-print.c (dump_gimple_call): Dump
10024 gimple_call_must_tail_p.
10025 * gimple.c (gimple_build_call_from_tree): Call
10026 gimple_call_set_must_tail with the value of
10027 CALL_EXPR_MUST_TAIL_CALL.
10028 * gimple.h (enum gf_mask): Add GF_CALL_MUST_TAIL_CALL.
10029 (gimple_call_set_must_tail): New function.
10030 (gimple_call_must_tail_p): New function.
10031 * print-tree.c (print_node): Update printing of TREE_STATIC
10032 to reflect its use for CALL_EXPR_MUST_TAIL_CALL.
10033 * tree-core.h (struct tree_base): Add MUST_TAIL_CALL to the
10034 trailing comment listing applicable flags.
10035 * tree.h (CALL_EXPR_MUST_TAIL_CALL): New macro.
10037 2016-05-20 David Malcolm <dmalcolm@redhat.com>
10039 * calls.c (expand_call): Move "Rest of purposes for tail call
10040 optimizations to fail" to...
10041 (can_implement_as_sibling_call_p): ...this new function, and
10042 split into multiple "if" statements.
10044 2016-05-20 Jan Hubicka <hubicka@ucw.cz>
10046 * cfgloop.h (expected_loop_iterations_unbounded,
10047 expected_loop_iterations): Unconstify.
10048 * cfgloopanal.c (expected_loop_iterations_unbounded): Sanity check the
10049 profile with known upper bound; return 3 when profile is absent.
10050 (expected_loop_iterations): Update.
10052 2016-05-20 Jan Hubicka <hubicka@ucw.cz>
10054 * loop-doloop.c (doloop_optimize): Use get_estimated_loop_iterations_int
10055 and get_max_loop_iterations_int.
10057 2016-05-20 Jan Hubicka <hubicka@ucw.cz>
10059 * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can not produce
10060 realistic upper bounds here.
10062 2016-05-20 Jakub Jelinek <jakub@redhat.com>
10065 * gimple-fold.c (gimple_fold_call): Do not remove lhs of noreturn
10066 calls if the LHS is variable length or has addressable type.
10067 If targets[0]->decl is a noreturn call with void return type and
10068 zero arguments, adjust fntype and remove lhs in that case.
10070 2016-05-20 Marc Glisse <marc.glisse@inria.fr>
10072 PR tree-optimization/71079
10073 PR tree-optimization/71206
10074 * match.pd ((X ^ Y) ^ (X ^ Z)): Convert the arguments.
10076 2016-05-20 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
10078 * tree-vectorizer.c (get_vec_alignment_for_decl): New static function.
10079 (get_vec_alignment_for_array_decl): Likewise.
10080 (get_vec_alignment_for_record_decl): Likewise.
10081 (increase_alignment::execute): Move code to find alignment to
10082 get_vec_alignment_for_array_decl and call get_vec_alignment_for_decl.
10083 (type_align_map): New hash_map.
10085 2016-05-20 Richard Guenther <rguenther@suse.de>
10087 PR tree-optimization/29756
10088 * tree.def (BIT_INSERT_EXPR): New tcc_expression tree code.
10089 * expr.c (expand_expr_real_2): Handle BIT_INSERT_EXPR.
10090 * fold-const.c (operand_equal_p): Likewise.
10091 (fold_ternary_loc): Add constant folding of BIT_INSERT_EXPR.
10092 * gimplify.c (gimplify_expr): Handle BIT_INSERT_EXPR.
10093 * tree-inline.c (estimate_operator_cost): Likewise.
10094 * tree-pretty-print.c (dump_generic_node): Likewise.
10095 * tree-ssa-operands.c (get_expr_operands): Likewise.
10096 * cfgexpand.c (expand_debug_expr): Likewise.
10097 * gimple-pretty-print.c (dump_ternary_rhs): Likewise.
10098 * gimple.c (get_gimple_rhs_num_ops): Handle BIT_INSERT_EXPR.
10099 * tree-cfg.c (verify_gimple_assign_ternary): Verify BIT_INSERT_EXPR.
10100 * tree-ssa.c (non_rewritable_lvalue_p): We can rewrite
10101 vector inserts using BIT_FIELD_REF or MEM_REF on the lhs.
10102 (execute_update_addresses_taken): Do it.
10104 2016-05-20 Richard Biener <rguenther@suse.de>
10106 PR tree-optimization/71185
10107 * tree-ssa-loop-prefetch.c (gather_memory_references): Drop
10108 register operations.
10110 2016-05-20 Richard Biener <rguenther@suse.de>
10112 * tree-if-conv.c (add_bb_predicate_gimplified_stmts): Use
10113 gimple_seq_add_seq_without_update.
10114 (release_bb_predicate): Assert we have no operands to free.
10115 (if_convertible_loop_p_1): Calculate post dominators later.
10116 Do not free BB predicates here.
10117 (combine_blocks): Do not recompute BB predicates.
10118 (version_loop_for_if_conversion): Save BB predicates around
10121 2016-05-19 Segher Boessenkool <segher@kernel.crashing.org>
10123 * function.c (make_epilogue_seq): Remove epilogue_end parameter.
10124 (thread_prologue_and_epilogue_insns): Remove bb_flags. Restructure
10125 code. Ignore sibcalls on EDGE_IGNORE edges.
10126 * shrink-wrap.c (handle_simple_exit): New function. Set EDGE_IGNORE
10127 on edges for sibcalls that run without prologue. The rest of the
10128 function is combined from...
10129 (fix_fake_fallthrough_edge): ... this, and ...
10130 (try_shrink_wrapping): ... a part of this. Remove the bb_with
10131 function argument, make it a local variable.
10133 2016-05-19 Sandra Loosemore <sandra@codesourcery.com>
10135 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Allow
10136 --disable-sjlj-exceptions for TARGET_BI_ARCH to select DWARF-2 EH
10137 for 32-bit mode and SEH for 64-bit.
10138 * config/i386/mingw32.h (SHARED_LIBGCC_UNDEFS_SPEC): Handle
10139 TARGET_64BIT_DEFAULT.
10141 2016-05-19 Ryan Burn <contact@rnburn.com>
10143 * Makefile.in (GTFILES): Add cilk.h and cilk-common.c.
10144 * gengtype.c (open_base_files): Add cilk.h to ifiles.
10146 2016-05-19 Uros Bizjak <ubizjak@gmail.com>
10148 * sched-deps.c (sched_analyze_2) <case TRAP_IF>: Also
10149 force pending loads from memory.
10151 2016-05-19 Kelvin Nilsen <kelvin@gcc.gnu.org>
10153 * config/rs6000/altivec.md (UNSPEC_DARN): New unspec constant.
10154 (UNSPEC_DARN_32): New unspec constant.
10155 (UNSPEC_DARN_RAW): New unspec constant.
10156 (darn_32): New instruction.
10157 (darn_raw): New instruction.
10158 (darn): New instruction.
10159 * config/rs6000/rs6000-builtin.def (RS6000_BUILTIN_0): Add
10160 support and documentation for this macro.
10161 (BU_P9_MISC_1): New macro definition.
10162 (BU_P9_64BIT_MISC_0): New macro definition.
10163 (BU_P9_MISC_0): New macro definition.
10164 (darn_32): New builtin definition.
10165 (darn_raw): New builtin definition.
10166 (darn): New builtin definition.
10167 * config/rs6000/rs6000.c: Add #define RS6000_BUILTIN_0 and #undef
10168 RS6000_BUILTIN_0 directives to surround each occurrence of
10169 #include "rs6000-builtin.def".
10170 (rs6000_builtin_mask_calculate): Add in the RS6000_BTM_MODULO and
10171 RS6000_BTM_64BIT flags to the returned mask, depending on
10173 (def_builtin): Correct an error in the assignments made to the
10174 debugging variable attr_string.
10175 (rs6000_expand_builtin): Add support for no-operand built-in
10177 (builtin_function_type): Remove fatal_error assertion that is no
10179 (rs6000_common_init_builtins): Add support for no-operand built-in
10181 * config/rs6000/rs6000.h (RS6000_BTM_MODULO): New macro
10183 (RS6000_BTM_PURE): Enhance comment to clarify intent of this flag
10185 (RS6000_BTM_64BIT): New macro definition.
10186 * doc/extend.texi: Document __builtin_darn (void),
10187 __builtin_darn_raw (void), and __builtin_darn_32 (void) built-in
10190 2016-05-19 Jan Hubicka <hubicka@ucw.cz>
10192 * tree-vect-loop.c (vect_analyze_loop_2): Use also
10193 max_loop_iterations_int.
10195 2016-05-19 Marek Polacek <polacek@redhat.com>
10197 PR tree-optimization/71031
10198 * tree-vrp.c (extract_range_from_binary_expr_1): Turn assert into a
10199 condition and adjust the code a bit.
10201 2016-05-19 Martin Liska <mliska@suse.cz>
10203 * tree-vect-stmts.c (vectorizable_simd_clone_call): Utilize
10204 auto_vec instead of vec.
10206 2016-05-19 Martin Liska <mliska@suse.cz>
10208 * tree-parloops.c (oacc_entry_exit_ok): Release a vector.
10210 2016-05-19 Martin Liska <mliska@suse.cz>
10212 * tree-if-conv.c (ifcvt_repair_bool_pattern): Utilize auto_vecs.
10214 2016-05-19 Martin Liska <mliska@suse.cz>
10216 * ipa-pure-const.c (set_function_state): Remove an existing
10218 (remove_node_data): Do not free it as it's released
10219 in set_function_state.
10221 2016-05-19 Martin Liska <mliska@suse.cz>
10223 * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Release
10226 2016-05-19 Martin Liska <mliska@suse.cz>
10228 * omp-simd-clone.c (simd_clone_adjust): Release vector.
10230 2016-05-19 Martin Liska <mliska@suse.cz>
10232 * tree-ssa-reassoc.c (eliminate_duplicate_pair): Truncate
10233 an auto_vec instead of re-creating it.
10235 2016-05-19 Martin Liska <mliska@suse.cz>
10237 * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Use
10238 auto_vec instead of vec.
10240 2016-05-19 Martin Liska <mliska@suse.cz>
10242 * lto-section-in.c (lto_get_section_data): Call
10243 lto_check_version with additional argument.
10244 * lto-streamer.c (lto_check_version): Add new argument.
10245 * lto-streamer.h (lto_check_version): Likewise.
10247 2016-05-19 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
10249 * config/arm/arm.c (arm_new_rtx_costs, SIGN_EXTEND case):
10250 Don't add cost of inner memory when handling sign-extended loads.
10252 2016-05-19 Ilya Enkovich <ilya.enkovich@intel.com>
10254 PR rtl-optimization/71148
10255 * cse.c (cse_main): Free dominance info.
10256 (rest_of_handle_cse): Don't free dominance info.
10257 (rest_of_handle_cse2): Likewise.
10258 (rest_of_handle_cse_after_global_opts): Likewise.
10260 2016-05-19 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
10263 * config/arm/arm-builtins.c (arm_builtin_vectorized_function): Return
10264 NULL_TREE early if NEON is not available. Remove now redundant check
10265 in ARM_CHECK_BUILTIN_MODE.
10267 2016-05-19 Maxim Ostapenko <m.ostapenko@samsung.com>
10270 * cppbuiltin.c (define_builtin_macros_for_compilation_flags): Add new
10271 builtin __SANITIZE_THREAD__ macros for fsanitize=thread switch.
10272 * doc/cpp.texi: Document new macros.
10274 2016-05-19 Bin Cheng <bin.cheng@arm.com>
10276 PR tree-optimization/69848
10277 * tree-vect-loop.c (vectorizable_reduction): Don't factor
10278 comparison expr out of VEC_COND_EXPR for COND_REDUCTION.
10280 2016-05-19 Segher Boessenkool <segher@kernel.crashing.org>
10282 * function.c (thread_prologue_and_epilogue_insn): Move the
10283 "goto epilogue_done" one block later.
10285 2016-05-19 Richard Biener <rguenther@suse.de>
10287 PR tree-optimization/70729
10288 * passes.def: Move LIM pass before PRE. Remove no longer
10289 required copyprop and move first DCE out of the loop pipeline.
10291 2016-05-18 David Malcolm <dmalcolm@redhat.com>
10294 * Makefile.in (GCC_OBJS): Move spellcheck.o to...
10295 (OBJS-libcommon-target): ...here.
10296 * opts-common.c: Include spellcheck.h.
10297 (cmdline_handle_error): Build a vec of valid options and use it
10298 to suggest provide hints for misspelled arguments.
10300 2016-05-18 Jakub Jelinek <jakub@redhat.com>
10303 * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Don't drop
10304 lhs if it has TREE_ADDRESSABLE type.
10306 2016-05-18 Uros Bizjak <ubizjak@gmail.com>
10309 * config/alpha/alpha.md (trap): Add (use (reg:DI 29)).
10310 (*exception_receiver_1): Return "#" for TARGET_EXPLICIT_RELOCS.
10312 2016-05-18 Martin Jambor <mjambor@suse.cz>
10315 * ipa-cp.c (ipa_get_jf_pass_through_result): Allow non-ip constant
10316 input for NOP_EXPR pass-through functions.
10317 * ipa-prop.c (ipa_compute_jump_functions_for_edge): Allow
10318 aggregate global constant VAR_DECLs in constant jump functions.
10320 2016-05-18 Martin Jambor <mjambor@suse.cz>
10323 * ipa-prop.c (parm_preserved_before_stmt_p): Return true for loads
10324 from TREE_READONLY parameters.
10326 2016-05-18 Martin Jambor <mjambor@suse.cz>
10329 * cgraph.h (cgraph_indirect_call_info): New field
10330 guaranteed_unmodified.
10331 * ipa-cp.c (ipa_get_indirect_edge_target_1): Also pass parameter value
10332 to ipa_find_agg_cst_for_param, check guaranteed_unmodified when
10334 * ipa-inline-analysis.c (evaluate_conditions_for_known_args): Also
10335 pass the parameter value to ipa_find_agg_cst_for_param.
10336 * ipa-prop.c (ipa_load_from_parm_agg): New parameter
10337 guaranteed_unmodified, store AA results there instead of bailing out
10339 (ipa_note_param_call): Also initialize guaranteed_unmodified flag.
10340 (ipa_analyze_indirect_call_uses): Also set guaranteed_unmodified flag.
10341 (find_constructor_constant_at_offset): New function.
10342 (ipa_find_agg_cst_from_init): Likewise.
10343 (ipa_find_agg_cst_for_param): Also seearch for aggregate values in
10344 static initializers of contants, report back through a new paameter
10345 from_global_constant if that was the case.
10346 (try_make_edge_direct_simple_call): Also pass parameter value to
10347 ipa_find_agg_cst_for_param, check guaranteed_unmodified when
10349 (ipa_write_indirect_edge_info): Stream new flag guaranteed_unmodified.
10350 (ipa_read_indirect_edge_info): Likewise.
10351 * ipa-prop.h (ipa_find_agg_cst_for_param): Update declaration.
10352 (ipa_load_from_parm_agg): Likewise.
10354 2016-05-18 Jiong Wang <jiong.wang@arm.com>
10356 PR rtl-optimization/71150
10357 * lra-constraint (process_addr_reg): Guard "in_class_p" with REG_P
10360 2016-05-18 Michael Meissner <meissner@linux.vnet.ibm.com>
10363 * config/rs6000/constraints.md (wE constraint): New constraint
10364 for a vector constant that can be loaded with XXSPLTIB.
10365 (wM constraint): New constraint for a vector constant of a 1's.
10366 (wS constraint): New constraint for a vector constant that can be
10367 loaded with XXSPLTIB and a vector sign extend instruction.
10368 * config/rs6000/predicates.md (xxspltib_constant_split): New
10369 predicates for wE/wS constraints.
10370 (xxspltib_constant_nosplit): Likewise.
10371 (easy_vector_constant): Add support for constants that can be
10372 loaded via XXSPLTIB.
10373 (all_ones_constant): New predicate for vector constant with all
10375 (splat_input_operand): Add support for ISA 3.0 word splat operations.
10376 * config/rs6000/rs6000.c (xxspltib_constant_p): New function to
10377 return if a constant can be loaded with the ISA 3.0 XXSPLTIB
10378 instruction and possibly with a sign extension.
10379 (output_vec_const_move): Add support for XXSPLTIB. If we are
10380 loading up 0/-1 into Altivec registers, prefer using VSPLTISW
10381 instead of XXLXOR/XXLORC.
10382 (rs6000_expand_vector_init): Add support for ISA 3.0 word splat
10384 (rs6000_legitimize_reload_address): Likewise.
10385 (rs6000_output_move_128bit): Use output_vec_const_move to emit
10387 * config/rs6000/vsx.md (VSX_M): Add TImode (if -mvsx-timode) and
10388 combine VSX_M and VSX_M2 into one iterator.
10389 (VSX_M2): Likewise.
10390 (VSINT_84): New iterators for loading constants with XXSPLTIB.
10391 (VSINT_842): Likewise.
10392 (UNSPEC_VSX_SIGN_EXTEND): New UNSPEC.
10393 (xxspltib_v16qi): New insns to load up constants with the ISA 3.0
10394 XXSPLTIB instruction.
10395 (xxspltib_<mode>_nosplit): Likewise.
10396 (xxspltib_<mode>_split): New insn to load up constants with
10397 XXSPLTIB and a sign extend instruction.
10398 (vsx_mov<mode>): Replace single move that handled all vector types
10399 with separate 32-bit and 64-bit moves. Combine the movti_<bit>
10400 moves (when -mvsx-timode is in effect) into the main vector
10401 moves. Eliminate separate moves for <VSr> <VSa>, where the
10402 preferred register class (<VSr>) is listed first, and the
10403 secondary register class (<VSa>) is listed second with a '?' to
10404 discourage use. Prefer loading 0/-1 in any VSX register for ISA
10405 3.0, and Altivec registers for ISA 2.06/2.07 (PR target/70915) so
10406 that if the register was involved in a slow operation, the
10407 clear/set operation does not wait for the slow operation to
10408 finish. Adjust the length attributes for 32-bit mode. Use
10409 rs6000_output_move_128bit and drop the use of the string
10410 instructions for 32-bit movti when -mvsx-timode is in effect. Use
10411 spacing so that the alternatives and attributes don't generate
10412 long lines, and put things in columns, so that it is easier to
10413 match up the operands and attributes with the insn alternatives.
10414 (vsx_mov<mode>_64bit): Likewise.
10415 (vsx_mov<mode>_32bit): Likewise.
10416 (vsx_movti_64bit): Fold movti into normal vector moves.
10417 (vsx_movti_32bit): Likewise.
10418 (vsx_splat_<mode>, V4SI/V4SF modes): Add support for ISA 3.0 word
10419 splat instructions.
10420 (vsx_splat_v4si_internal): Likewise.
10421 (vsx_splat_v4sf_internal): Likewise.
10422 (vector fusion peepholes): Use VSX_M instead of VSX_M2.
10423 (vsx_sign_extend_qi_<mode>): New ISA 3.0 instructions to sign
10424 extend vector elements.
10425 (vsx_sign_extend_hi_<mode>): Likewise.
10426 (vsx_sign_extend_si_v2di): Likewise.
10427 * config/rs6000/rs6000-protos.h (xxspltib_constant_p): Add
10429 * doc/md.texi (PowerPC constraints): Document the wE, wM, and wS
10430 constraints. Add trailing period to wL documentation.
10432 2016-05-18 Richard Sandiford <richard.sandiford@arm.com>
10434 PR middle-end/71020
10435 * tree-dfa.h (replace_abnormal_ssa_names): Declare.
10436 * tree-dfa.c (replace_abnormal_ssa_names): New function.
10437 * tree-call-cdce.c: Include tree-dfa.h.
10438 (can_guard_call_p): New function, extracted from...
10439 (can_use_internal_fn): ...here.
10440 (shrink_wrap_one_built_in_call_with_conds): Remove failure path
10442 (shrink_wrap_one_built_in_call): Likewise.
10443 (use_internal_fn): Likewise.
10444 (shrink_wrap_conditional_dead_built_in_calls): Update accordingly
10445 and return void. Call replace_abnormal_ssa_names.
10446 (pass_call_cdce::execute): Check can_guard_call_p during the
10447 initial walk. Assume shrink_wrap_conditional_dead_built_in_calls
10448 will always change something.
10450 2016-05-18 Martin Jambor <mjambor@suse.cz>
10453 * ipa-prop.c (determine_locally_known_aggregate_parts): Bail out early
10454 if parameter PARAM_IPA_MAX_AGG_ITEMS is zero.
10456 2016-05-18 Martin Jambor <mjambor@suse.cz>
10459 * ipa-inline.h (condition): New field size.
10460 * ipa-inline-analysis.c (add_condition): New parameter SIZE, use it
10461 for comaprison and store it into the new condition.
10462 (evaluate_conditions_for_known_args): Use condition size to check
10463 access sizes for all but CHANGED conditions.
10464 (unmodified_parm_1): New parameter size_p, store access size into it.
10465 (unmodified_parm): Likewise.
10466 (unmodified_parm_or_parm_agg_item): Likewise.
10467 (eliminated_by_inlining_prob): Pass NULL to unmodified_parm as size_p.
10468 (set_cond_stmt_execution_predicate): Extract access sizes and store
10469 them to conditions.
10470 (set_switch_stmt_execution_predicate): Likewise.
10471 (will_be_nonconstant_expr_predicate): Likewise.
10472 (will_be_nonconstant_predicate): Likewise.
10473 (inline_read_section): Stream condition size.
10474 (inline_write_summary): Likewise.
10476 2016-05-18 Richard Biener <rguenther@suse.de>
10478 * tree-ssa-loop-im.c (determine_max_movement): Properly add
10479 condition cost to PHI cost instead of total_cost.
10481 2016-05-18 Martin Liska <mliska@suse.cz>
10484 * ipa-icf.c (sem_variable::merge): Set DECL_PT_UID for
10487 2016-05-18 Richard Biener <rguenther@suse.de>
10489 * lto-streamer.h (LTO_major_version): Bump to 6.
10491 2016-05-18 Segher Boessenkool <segher@kernel.crashing.org>
10493 * function.c (make_split_prologue_seq, make_prologue_seq,
10494 make_epilogue_seq): New functions, factored out from...
10495 (thread_prologue_and_epilogue_insns): Here.
10497 2016-05-18 Segher Boessenkool <segher@kernel.crashing.org>
10499 * function.c (rest_of_handle_thread_prologue_and_epilogue): Call
10500 cleanup_cfg with CLEANUP_EXPENSIVE after shrink-wrapping instead
10501 of before. Add a comment.
10503 2016-05-18 Bin Cheng <bin.cheng@arm.com>
10505 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Check invariant
10506 expression pointer, not pointer to the pointer.
10508 2016-05-18 Jakub Jelinek <jakub@redhat.com>
10510 * config/i386/sse.md (pbroadcast_evex_isa): New mode attr.
10511 (avx2_pbroadcast<mode>): Add another alternative with v instead
10512 of x constraints in it, using <pbroadcast_evex_isa> isa.
10513 (avx2_pbroadcast<mode>_1): Similarly, add two such alternatives.
10515 * config/i386/sse.md (<ssse3_avx2>_palignr<mode>): Use
10516 constraint x instead of v in second alternative, add avx512bw
10519 * config/i386/sse.md (<ssse3_avx2>_pshufb<mode>3<mask_name>): Use
10520 constraint x instead of v in second alternative, add avx512bw
10523 * config/i386/sse.md (*<ssse3_avx2>_pmulhrsw<mode>3<mask_name>): Use
10524 constraint x instead of v in second alternative, add avx512bw
10527 * config/i386/sse.md (avx2_pmaddubsw256, ssse3_pmaddubsw128): Add
10528 avx512bw alternative.
10530 2016-05-18 Kirill Yukhin <kirill.yukhin@intel.com>
10532 * config/i386/sse.md (define_insn "*andnot<mode>3"): Extend static
10533 array to 128 chars.
10534 (define_insn "*andnottf3"): Ditto.
10535 (define_insn "*<code><mode>3"/any_logic): Ditto.
10536 (define_insn "*<code>tf3"/any_logic): Ditto.
10537 (define_insn "sse2_storehpd"): Use Yv constraint for scalar
10538 operand to block AVX-512VL insn variant emit when it is not enabled.
10540 2016-05-18 Kirill Yukhin <kirill.yukhin@intel.com>
10542 * config/i386/sse.md (define_insn "*vec_concatv2sf_sse4_1"): Use 'Yv'
10543 constraint fot SF mode.
10545 2016-05-18 Petr Murzin <petr.murzin@intel.com>
10546 Kirill Yukhin <kirill.yukhin@intel.com>
10548 * config/i386/sse.md (define_insn "srcp14<mode>"): Use proper operand
10550 (define_insn "rsqrt14<mode>"): Ditto.
10551 (define_insn "<mask_codefor>avx512dq_cvtps2qqv2di<mask_name>"): Ditto.
10552 (define_insn "<fixsuffix>fix_truncv2sfv2di2<mask_name>"): Ditto.
10553 (define_insn "avx512f_<code>v8div16qi2_mask_store"): Ditto.
10554 (define_insn "vec_set_hi_<mode><mask_name>"): Ditto.
10555 (define_insn "<mask_codefor>avx512dq_broadcast<mode><mask_name>"):
10557 (define_insn "*avx512f_gatherdi<mode>"): Ditto.
10558 (define_insn "*avx512f_scatterdi<mode>"): Ditto.
10559 * config/i386/i386.c (ix86_print_operand): Expand check for size
10560 override codes for Intel syntax.
10562 2016-05-18 Richard Biener <rguenther@suse.de>
10564 PR tree-optimization/71168
10565 * tree-loop-distribution.c (distribute_loop): Move *destroy_p
10566 initialization earlier.
10568 2016-05-18 James Greenhalgh <james.greenhalgh@arm.com>
10570 * config/aarch64/aarch64-simd.md
10571 (aarch64_reduc_plus_internal<mode>): Rename to...
10572 (reduc_plus_scal): ...This, and remove previous implementation.
10574 2016-05-18 Richard Biener <rguenther@suse.de>
10576 * passes.def: Put late dse and cd_dce in canonical order.
10578 2016-05-17 Jan Hubicka <hubicka@ucw.cz>
10580 * ipa-inline-transform.c (preserve_function_body_p): Look for
10581 first non-thunk clone.
10582 (save_function_body): Save into first non-thunk.
10583 * lto-cgraph.c (lto_output_edge): When streaming thunk do not look
10585 (lto_output_node): Inline thunks don't need body in every
10587 * lto-streamer-in.c: Do not fixup thunk clones.
10588 * cgraphclones.c (cgraph_node::create_edge_including_clone): Skip
10590 * tree-inline.c (copy_bb): Be prepared for target node to be new after
10593 2016-05-17 Kugan Vivekanandarajah <kuganv@linaro.org>
10595 PR middle-end/63586
10596 * tree-ssa-reassoc.c (transform_add_to_multiply): New.
10597 (reassociate_bb): Call transform_add_to_multiply.
10599 2016-05-17 Kugan Vivekanandarajah <kuganv@linaro.org>
10601 * config/aarch64/aarch64.c (all_extensions): Removed unused
10604 2016-05-17 Nathan Sidwell <nathan@acm.org>
10606 * config/nvptx/nvptx.c (nvptx_function_arg_boundary): New.
10607 (TARGET_FUNCTION_ARG_BOUNDARY): Override.
10609 2016-05-17 Mikhail Maltsev <maltsevm@gmail.com>
10611 PR tree-optimization/54579
10612 PR middle-end/55299
10613 * match.pd (~(~X >> Y), ~(~X >>r Y), ~(~X <<r Y)): New patterns.
10615 2016-05-17 Marek Polacek <polacek@redhat.com>
10618 * tree-inline.c (expand_call_inline): Call
10619 maybe_remove_unused_call_args.
10621 2016-05-17 Jim Wilson <jim.wilson@linaro.org>
10623 * doc/cpp.texi (__GNUC__): Major version changes are no longer rare.
10624 * doc/invoke.texi (-mnan=2008): Change signalling to signaling.
10625 * doc/md.texi (fmin@var{m}3): Likewise.
10627 2016-05-17 Marc Glisse <marc.glisse@inria.fr>
10629 * match.pd (X & C): New transformation.
10631 2016-05-17 Marc Glisse <marc.glisse@inria.fr>
10633 * match.pd (~X & Y): New transformation.
10635 2016-05-17 Marc Glisse <marc.glisse@inria.fr>
10637 * tree-vrp.c (simplify_truth_ops_using_ranges): Set range
10638 information for new SSA_NAME.
10639 (simplify_conversion_using_ranges): Get range through get_range_info
10640 instead of get_value_range.
10642 2016-05-17 Jiong Wang <jiong.wang@arm.com>
10644 * config/aarch64/arm_neon.h (vmvn_s8): Reimplement using C operator.
10645 Remove inline assembly.
10646 (vmvn_s16): Likewise.
10647 (vmvn_s32): Likewise.
10648 (vmvn_u8): Likewise.
10649 (vmvn_u16): Likewise.
10650 (vmvn_u32): Likewise.
10651 (vmvnq_s8): Likewise.
10652 (vmvnq_s16): Likewise.
10653 (vmvnq_s32): Likewise.
10654 (vmvnq_u8): Likewise.
10655 (vmvnq_u16): Likewise.
10656 (vmvnq_u32): Likewise.
10657 (vmvn_p8): Likewise.
10658 (vmvnq_p16): Likewise.
10660 2016-05-17 Jiong Wang <jiong.wang@arm.com>
10662 * config/aarch64/aarch64-simd.md (vmul_n_f32): Remove inline assembly.
10664 (vmul_n_s16): Likewise.
10665 (vmul_n_s32): Likewise.
10666 (vmul_n_u16): Likewise.
10667 (vmul_n_u32): Likewise.
10668 (vmulq_n_f32): Likewise.
10669 (vmulq_n_f64): Likewise.
10670 (vmulq_n_s16): Likewise.
10671 (vmulq_n_s32): Likewise.
10672 (vmulq_n_u16): Likewise.
10673 (vmulq_n_u32): Likewise.
10675 2016-05-17 Jiong Wang <jiong.wang@arm.com>
10677 * config/aarch64/aarch64-simd.md (*aarch64_mul3_elt_to_128df): Extend
10678 to all supported modes. Rename to "*aarch64_mul3_elt_from_dup".
10680 2016-05-17 Jiong Wang <jiong.wang@arm.com>
10682 * config/aarch64/aarch64-simd.md (*aarch64_fma4_elt_to_128df): Rename
10683 to *aarch64_fma4_elt_from_dup<mode>.
10684 (*aarch64_fnma4_elt_to_128df): Rename to
10685 *aarch64_fnma4_elt_from_dup<mode>.
10686 * config/aarch64/arm_neon.h (vfma_n_f64): New.
10687 (vfms_n_f32): Likewise.
10688 (vfms_n_f64): Likewise.
10689 (vfmsq_n_f32): Likewise.
10690 (vfmsq_n_f64): Likewise.
10692 2016-05-17 Gerald Pfeifer <gerald@pfeifer.com>
10694 * wide-int.h: Change fixed_wide_int_storage from class to struct.
10696 2016-05-17 Richard Biener <rguenther@suse.de>
10698 PR tree-optimization/71132
10699 * tree-loop-distribution.c (create_rdg_cd_edges): Pass in loop.
10700 Only add control dependences for blocks in the loop.
10701 (build_rdg): Adjust.
10702 (generate_code_for_partition): Return whether loop should
10703 be destroyed and delay that.
10704 (distribute_loop): Likewise.
10705 (pass_loop_distribution::execute): Record loops to be destroyed
10706 and perform delayed destroying of loops.
10708 2016-05-17 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
10711 * config/aarch64/aarch64-simd.md (aarch64_vmls<mode>): Delete.
10713 2016-05-17 James Greenhalgh <james.greenhalgh@arm.com>
10715 * config/aarch64/aarch64-elf.h (ASM_OUTPUT_DEF): Delete.
10717 2016-05-17 Ilya Enkovich <ilya.enkovich@intel.com>
10720 * config/i386/i386.c (dimode_scalar_chain::convert_op): Fix
10721 insertion point for instructions generated by validize_mem.
10723 2016-05-17 James Greenhalgh <james.greenhalgh@arm.com>
10725 * config/aarch64/aarch64.c (SHIFT_COUNT_TRUNCATED): Wrap definition
10728 2016-05-17 James Greenhalgh <james.greenhalgh@arm.com>
10730 * config/aarch64/aarch64.c
10731 (aarch64_output_simd_mov_immediate): Make "buf_size" a variable
10732 rather than a macro.
10734 2016-05-16 Wilco Dijkstra <wdijkstr@arm.com>
10736 * doc/invoke.texi (AArch64 Options): Various updates.
10738 2016-05-16 Jan Hubicka <hubicka@ucw.cz>
10740 * ipa-inline-analysis.c (compute_inline_parameters): Disable inlinig
10741 into instrumentation thunks.
10742 * cif-code.def (CIF_CHKP): New.
10744 2016-05-16 Uros Bizjak <ubizjak@gmail.com>
10746 * config/i386/xopintrin.h: Correct "unsinged" typo in the comments.
10748 2016-05-16 Martin Jambor <mjambor@suse.cz>
10750 * hsa-gen.c (fillup_for_decl): Increase alignment to natural one.
10751 (get_symbol_for_decl): Sorry if a global symbol in under-aligned.
10753 2016-05-16 Marek Polacek <polacek@redhat.com>
10755 * gimple.c (maybe_remove_unused_call_args): Fix typos in the
10758 2016-05-16 Martin Jambor <mjambor@suse.cz>
10761 * omp-low.c (grid_expand_target_grid_body): Copy RESULT_DECL of
10762 the outlined kernel function.
10764 2016-05-16 Robert Suchanek <robert.suchanek@imgtec.com>
10766 * config/mips/mips.h (ISA_HAS_LSA): Enable for -mmsa.
10767 (ISA_HAS_DLSA): Ditto.
10769 2016-05-16 Matthew Fortune <matthew.fortune@imgtec.com>
10771 * config/mips/m5100.md (m51_int_load): Update the latency to 2.
10773 2016-05-16 Nathan Sidwell <nathan@acm.org>
10775 * config/nvptx/nvptx.c (nvptx_mangle_decl_assembler_name): Revert.
10776 (nvptx_name_replacement): Restore. Add comment.
10777 (write_fn_proto, write_fn_proto_from_insn,
10778 nvptx_output_call_insn): Restore
10779 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Delete.
10781 2016-05-16 Wilco Dijkstra <wdijkstr@arm.com>
10783 * config/aarch64/aarch64.md
10784 (add<mode>3_compareC_cconly_imm): Remove use of %w.
10785 (add<mode>3_compareC_imm): Likewise.
10786 (<optab>si3_uxtw): Split into register and immediate variants.
10787 (andsi3_compare0_uxtw): Likewise.
10788 (and<mode>3_compare0): Likewise.
10789 (and<mode>3nr_compare0): Likewise.
10790 (stack_protect_test_<mode>): Don't use %x for memory operands.
10792 2016-05-16 Matthew Fortune <matthew.fortune@imgtec.com>
10794 * config/mips/mips-cpus.def (p5600): Add multi-line brackets.
10796 2016-05-16 Wilco Dijkstra <wdijkstr@arm.com>
10798 * config/aarch64/aarch64.md (aarch64_ashl_sisd_or_int_<mode>3):
10799 Split integer shifts into shift_reg and bfm.
10800 (aarch64_lshr_sisd_or_int_<mode>3): Likewise.
10801 (aarch64_ashr_sisd_or_int_<mode>3): Likewise.
10802 (ror<mode>3_insn): Likewise.
10803 (<optab>si3_insn_uxtw): Likewise.
10804 (<optab><mode>3_insn): Change to rotate_imm.
10805 (extr<mode>5_insn_alt): Likewise.
10806 (extrsi5_insn_uxtw): Likewise.
10807 (extrsi5_insn_uxtw_alt): Likewise.
10809 2016-05-16 Matthew Wahab <matthew.wahab@arm.com>
10811 * doc/tm.texi: Regenerate.
10812 * doc/tm.texi.in (TARGET_INVALID_PARAMETER_TYPE): Remove.
10813 (TARGET_INVALID_RETURN_TYPE): Remove.
10814 * system.h: Poison TARGET_INVALID_PARAMETER_TYPE and
10815 TARGET_INVALID_RETURN_TYPE.
10816 * target.def (invalid_parameter_type): Remove.
10817 (invalid_return_type): Remove.
10819 2016-05-16 Jan Hubicka <hubicka@ucw.cz>
10821 * ipa-inline-analysis.c (compute_inline_parameters): Be more reailistic
10822 on estimating thunk bodies; do not set inline_failed to CIF_THUNK for
10824 * ipa-inline-transform.c (inline_call): When inlining into thunk produce
10826 (preserve_function_body_p): No need to preserve function body
10827 * cif-codes.def (CIF_THUNK): Remove.
10828 * cgraphclones.c (duplicate_thunk_for_node): Thunks calls are inlinable.
10830 2016-05-16 Jan Hubicka <hubicka@ucw.cz>
10832 * tree-inline.c (expand_call_inline): recurse after inlining thunk.
10834 2016-05-16 Jan Hubicka <hubicka@ucw.cz>
10836 * tree.c (free_lang_data_in_decl): Also set target/optimization flags
10839 2016-05-16 Jan Hubicka <hubicka@ucw.cz>
10841 * ipa-inline.c (report_inline_failed_reason): Look into thunks, too
10842 (inline_small_functions): Do not look for function symbol when
10845 2016-05-16 Jan Hubicka <hubicka@ucw.cz>
10847 * lto-cgraph.c (compute_ltrans_boundary, output_symtab): Fix handling
10850 2016-05-16 Matthew Wahab <matthew.wahab@arm.com>
10851 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
10852 Jiong Wang <jiong.wang@arm.com>
10854 * config/arm/arm-c.c (arm_cpu_builtins): Use def_or_undef_macro
10855 for __ARM_FP16_FORMAT_IEEE and __ARM_FP16_FORMAT_ALTERNATIVE.
10856 Define __ARM_FP16_ARGS when appropriate.
10857 * config/arm/arm.c (arm_invalid_parameter_type): Remove
10859 (arm_invalid_return_type): Likewise.
10860 (TARGET_INVALID_PARAMETER_TYPE): Remove.
10861 (TARGET_INVALID_RETURN_TYPE): Remove.
10862 (aapcs_vfp_sub_candidate): Allow HFmode.
10863 (aapcs_vfp_allocate): Add comment. Support HFmode.
10864 (aapcs_vfp_allocate_return_reg): Likewise.
10865 (struct aapcs_cp_arg_layout): Slightly reword comments for
10866 is_return_candidate and allocate_return_reg.
10867 (output_mov_vfp): Update assert.
10868 (arm_hard_regno_mode_ok): Remove comment, update HF-mode
10870 (arm_invalid_parameter_type): Remove.
10871 (amr_invalid_return_type): Remove.
10872 * config/arm/arm.h (TARGET_NEON_FP16): Fix definition.
10873 * config/arm/arm.md (*arm32_movhf): Disable for TARGET_VFP.
10874 * config/arm/vfp.md (*movhf_vfp): Enable for TARGET_VFP.
10876 2016-05-16 Matthew Wahab <matthew.wahab@arm.com>
10878 * config/aarch64/aarch64.h (LEGITIMIZE_RELOAD_ADDRESS): Remove.
10879 * config/aarch64/arch64-protos.h
10880 (aarch64_legitimize_reload_address): Remove.
10881 * config/aarch64/aarch64.c (aarch64_legitimize_reload_address):
10884 2016-05-16 Eric Botcazou <ebotcazou@adacore.com>
10886 * configure.ac: Add ACX_NONCANONICAL_HOST.
10887 * configure: Regenerate.
10888 * Makefile.in: Set host_noncanonical.
10890 2016-05-14 Uros Bizjak <ubizjak@gmail.com>
10893 * config/i386/i386.md (*movtf_internal): Before register allocation,
10894 do not allow FP constants for CM_MEDIUM memory model, allow only
10895 standard FP constants for CM_LARGE and CM_LARGE_PIC models.
10896 (*movxf_internal): Ditto.
10897 (*movdf_internal): Ditto.
10898 (*movsf_internal): Ditto.
10900 2016-05-13 Segher Boessenkool <segher@kernel.crashing.org>
10902 PR rtl-optimization/67483
10903 * combine.c (make_compound_operation): Don't call extract_left_shift
10904 with negative shift amounts.
10906 2016-05-13 Jakub Jelinek <jakub@redhat.com>
10909 * fold-const.c (fold_checksum_tree): Allow modification
10910 of TYPE_ALIAS_SET during folding.
10912 * config/i386/i386.c (ix86_compute_frame_layout, ix86_expand_prologue,
10913 ix86_expand_split_stack_prologue): Use HOST_WIDE_INT_C macro.
10914 (ix86_split_to_parts): Likewise. Fix up formatting.
10916 2016-05-13 H.J. Lu <hongjiu.lu@intel.com>
10918 * tree-ssa-loop-ivopts.c (create_new_ivs): Cast to
10919 unsigned HOST_WIDE_INT with HOST_WIDE_INT_PRINT_UNSIGNED in
10922 2016-05-13 Nathan Sidwell <nathan@acm.org>
10924 * config/nvptx/nvptx.c (nvptx_mangle_decl_assembler_name): New.
10925 (nvptx_name_replacement): Delete.
10926 (write_fn_proto, write_fn_proto_from_insn,
10927 nvptx_output_call_insn): Remove nvptx_name_replacement call.
10928 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Override.
10929 * langhooks.c (add_builtin_funcction_common): Call
10930 targetm.mangle_decl_assembler_name.
10932 * config/nvptx/nvptx.c (write_fn_proto): Handle
10933 BUILT_IN_ATOMIC_COMPARE_EXCHANGE_n oddity.
10935 2016-05-13 Martin Liska <mliska@suse.cz>
10937 * tree-ssa-loop-ivopts.c (create_new_ivs): Use HOST_WIDE_INT_PRINT_DEC
10938 and PRIu64 in printf format.
10940 2016-05-13 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
10942 * tree-ssa-loop-ivanon.c (try_unroll_loop_completely): Typo fix in
10945 2016-05-13 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
10947 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
10948 Change --param max-completely-peeled-times to
10949 --param max-completely-peel-times in dump file printing.
10951 2016-05-13 Richard Biener <rguenther@suse.de>
10953 PR tree-optimization/42587
10954 * tree-ssa-math-opts.c (perform_symbolic_merge): Handle BIT_FIELD_REF.
10955 (find_bswap_or_nop_1): Likewise.
10956 (bswap_replace): Likewise.
10958 2016-05-13 Martin Liska <mliska@suse.cz>
10960 * tree-vect-patterns.c (vect_recog_mask_conversion_pattern):
10961 Initialize a variable with default value.
10963 2016-05-13 Martin Liska <mliska@suse.cz>
10965 * doc/invoke.texi: Enhance explanation of error recovery
10968 2016-05-13 Martin Liska <mliska@suse.cz>
10970 * tree-ssa-loop-ivopts.c (avg_loop_niter): Fix coding style.
10971 (struct cost_pair): Change inv_expr_id (int) to inv_expr
10972 (iv_inv_expr_ent *).
10973 (struct iv_inv_expr_ent): Comment struct fields.
10974 (sort_iv_inv_expr_ent): New function.
10975 (struct ivopts_data): Rename inv_expr_id to max_inv_expr_id.
10976 (struct iv_ca): Replace used_inv_expr and num_used_inv_expr with
10977 a hash_map between iv_inv_expr_ent and number of usages.
10978 (niter_for_exit): Fix coding style.
10979 (tree_ssa_iv_optimize_init): Use renamed variable.
10980 (determine_base_object): Fix coding style.
10981 (alloc_iv): Likewise.
10982 (find_interesting_uses_outside): Likewise.
10983 (add_candidate_1): Likewise.
10984 (add_standard_iv_candidates): Likewise.
10985 (set_group_iv_cost): Replace inv_expr_id with inv_expr.
10986 (prepare_decl_rtl): Fix coding style.
10987 (get_address_cost): Likewise.
10988 (get_shiftadd_cost): Likewise.
10989 (force_expr_to_var_cost): Likewise.
10990 (compare_aff_trees): Likewise.
10991 (get_expr_id): Restructure the function.
10992 (get_loop_invariant_expr_id): Renamed to
10993 get_loop_invariant_expr.
10994 (get_computation_cost_at): Replace usage of inv_expr_id with
10996 (get_computation_cost): Likewise.
10997 (determine_group_iv_cost_generic): Likewise.
10998 (determine_group_iv_cost_address): Likewise.
10999 (iv_period): Fix coding style.
11000 (iv_elimination_compare_lt): Likewise.
11001 (may_eliminate_iv): Likewise.
11002 (determine_group_iv_cost_cond): Replace usage of inv_expr_id with
11004 (determine_group_iv_costs): Dump invariant expressions.
11005 (iv_ca_recount_cost): Use the newly added hash_map.
11006 (iv_ca_set_remove_invariants): Fix coding style.
11007 (iv_ca_set_add_invariants): Fix coding style.
11008 (iv_ca_set_no_cp): Utilize the newly added hash_map for used
11010 (iv_ca_set_cp): Likewise.
11011 (iv_ca_new): Initialize the newly added hash_map and remove
11012 initialization of fields.
11013 (iv_ca_free): Delete the hash_map.
11014 (iv_ca_dump): Dump invariant expressions.
11015 (iv_ca_extend): Fix coding style.
11016 (try_add_cand_for): Likewise.
11017 (create_new_ivs): Dump information about # of avg iterations and
11018 # of used invariant expressions.
11019 (rewrite_use_compare): Fix coding style.
11020 (free_loop_data): Set default value for max_inv_expr_id.
11022 2016-05-13 Ilya Enkovich <ilya.enkovich@intel.com>
11024 * cse.c (rest_of_handle_cse): Use cleanup_cfg
11025 returned value cse_cfg_altered computation.
11026 (rest_of_handle_cse2): Likewise.
11027 (rest_of_handle_cse_after_global_opts): Likewise.
11029 2016-05-13 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
11032 * config/arm/arm.c (arm32_output_mi_thunk): New.
11033 (arm_output_mi_thunk): Rename to arm_thumb1_mi_thunk. Rework
11034 to split Thumb1 vs TARGET_32BIT functionality.
11035 (arm_thumb1_mi_thunk): New.
11037 2016-05-13 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
11039 * config/aarch64/aarch64.c (TARGET_OMIT_STRUCT_RETURN_REG): Set
11042 2016-05-13 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
11045 * config/i386/i386.c (ix86_in_large_data_p): Guard against NULL exp.
11047 2016-05-13 Eric Botcazou <ebotcazou@adacore.com>
11049 * builtins.c (expand_builtin_memcmp): Do not emit the call here.
11050 (expand_builtin_trap): Emit a regular call.
11051 (set_builtin_user_assembler_name): Remove obsolete cases.
11052 * dse.c (scan_insn): Adjust.
11053 * except.c: Include calls.h.
11054 (sjlj_emit_function_enter): If DONT_USE_BUILTIN_SETJMP is defined,
11055 emit a regular call to setjmp.
11056 * expr.c (emit_block_move_hints): Call emit_block_copy_via_libcall.
11057 (block_move_libcall_safe_for_call_parm): Use memcpy builtin.
11058 (emit_block_move_via_libcall): Delete.
11059 (block_move_fn): Delete.
11060 (init_block_move_fn): Likewise.
11061 (emit_block_move_libcall_fn): Likewise.
11062 (emit_block_op_via_libcall): New function.
11063 (set_storage_via_libcall): Tidy up and use memset builtin.
11064 (block_clear_fn): Delete.
11065 (init_block_clear_fn): Likewise.
11066 (clear_storage_libcall_fn): Likewise.
11067 (expand_assignment): Call emit_block_move_via_libcall.
11068 Do not include gt-expr.h.
11069 * expr.h (emit_block_op_via_libcall): Declare.
11070 (emit_block_copy_via_libcall): New inline function.
11071 (emit_block_move_via_libcall): Likewise.
11072 (emit_block_comp_via_libcall): Likewise.
11073 (block_clear_fn): Delete.
11074 (init_block_move_fn): Likewise.
11075 (init_block_clear_fn): Likewise.
11076 (emit_block_move_via_libcall): Likewise.
11077 (set_storage_via_libcall): Add default parameter value.
11078 * libfuncs.h (enum libfunc_index): Remove obsolete values.
11079 (abort_libfunc): Delete.
11080 (memcpy_libfunc): Likewise.
11081 (memmove_libfunc): Likewise.
11082 (memcmp_libfunc): Likewise.
11083 (memset_libfunc): Likewise.
11084 (setbits_libfunc): Likewise.
11085 (setjmp_libfunc): Likewise.
11086 (longjmp_libfunc): Likewise.
11087 (profile_function_entry_libfunc): Likewise.
11088 (profile_function_exit_libfunc): Likewise.
11089 (gcov_flush_libfunc): Likewise.
11090 * optabs-libfuncs.c (build_libfunc_function): Set DECL_ARTIFICIAL
11091 and DECL_VISIBILITY on the declaration.
11092 (init_optabs): Do not initialize obsolete libfuncs.
11093 * optabs.c (prepare_cmp_insn): Call emit_block_comp_via_libcall.
11094 * tree-core.h (ECF_RET1): Define.
11095 (ECF_TM_PURE): Adjust.
11096 (ECF_TM_BUILTIN): Likewise.
11097 * tree.c (set_call_expr_flags): Deal with ECF_RET1.
11098 (build_common_builtin_nodes): Initialize abort builtin.
11099 Add ECF_RET1 on memcpy, memmove and memset builtins.
11100 Pass final flags for alloca and alloca_with_align builtins.
11101 * config/alpha/alpha.c (alpha_init_libfuncs): Do not initialize
11103 * config/ia64/ia64.c (ia64_vms_init_libfuncs): Likewise.
11104 * config/i386/i386.c (ix86_expand_set_or_movmem): Adjust call to
11105 set_storage_via_libcall and call emit_block_copy_via_libcall.
11107 2016-05-12 Uros Bizjak <ubizjak@gmail.com>
11109 * config/i386/i386.md (*call_got_x32): Change operand 0 to
11110 DImode before it is passed to ix86_output_call_operand.
11111 (*call_value_got_x32): Ditto for operand 1.
11113 2016-05-12 Jiong Wang <jiong.wang@arm.com>
11115 PR rtl-optimization/70904
11116 * lra-constraint.c (process_addr_reg): Relax the restriction on subreg
11117 reload for wide mode.
11119 2016-05-12 Marek Polacek <polacek@redhat.com>
11122 * langhooks-def.h (lhd_incomplete_type_error): Adjust declaration.
11123 * langhooks.c (lhd_incomplete_type_error): Add location parameter.
11124 * langhooks.h (incomplete_type_error): Likewise.
11125 * tree.c (size_in_bytes_loc): Renamed from size_in_bytes. Add location
11126 parameter, pass it down to incomplete_type_error.
11127 * tree.h (size_in_bytes): New inline overload.
11128 (size_in_bytes_loc): Renamed from size_in_bytes.
11130 2016-05-12 Richard Biener <rguenther@suse.de>
11132 PR tree-optimization/71059
11133 * tree-ssa-pre.c (phi_translate_1): Fully fold translated
11134 nary before looking up or entering the expression into the VN
11136 * tree-ssa-sccvn.c (vn_nary_build_or_lookup): Fix comment typo.
11137 Make sure to re-use NARYs without result as inserted by
11140 2016-05-12 Richard Biener <rguenther@suse.de>
11142 PR tree-optimization/71062
11143 * tree-ssa-alias.h (struct pt_solution): Add vars_contains_restrict
11145 * tree-ssa-structalias.c (set_uids_in_ptset): Set
11146 vars_contains_restrict if the var is a restrict tag.
11147 * tree-ssa-alias.c (ptrs_compare_unequal): If vars_contains_restrict
11148 do not disambiguate pointers against it.
11149 (dump_points_to_solution): Re-structure and adjust for new
11150 vars_contains_restrict flag.
11151 * gimple-pretty-print.c (pp_points_to_solution): Likewise.
11153 2016-05-12 Martin Liska <mliska@suse.cz>
11155 * doc/invoke.texi: Explain connection between
11156 -fsanitize-recover=address and ASAN_OPTIONS="halt_on_error=1".
11158 2016-05-12 Ilya Enkovich <ilya.enkovich@intel.com>
11160 PR tree-optimization/71006
11161 * tree-vect-loop.c (vect_determine_vectorization_factor): Don't
11162 consider COND_EXPR as a mask producer.
11164 2016-05-12 Marek Polacek <polacek@redhat.com>
11167 * opts.c (common_handle_option): Detect missing argument for --help^.
11169 2016-05-12 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
11172 * config/arm/arm.c (arm_output_multireg_pop): Avoid POP instruction
11173 when popping the PC and within an interrupt handler routine.
11174 Add missing tab to output of "ldmfd".
11175 (output_return_instruction): Output LDMFD with SP update rather
11176 than POP when returning from interrupt handler.
11178 2016-05-12 Jakub Jelinek <jakub@redhat.com>
11180 * config/i386/i386.md (isa): Add x64_avx512dq, enable if
11181 TARGET_64BIT && TARGET_AVX512DQ.
11182 * config/i386/sse.md (*vec_extract<mode>): Add avx512bw alternatives.
11183 (*vec_extract<PEXTR_MODE12:mode>_zext): Add avx512bw alternative.
11184 (*vec_extract<ssevecmodelower>_0, *vec_extractv4si_0_zext,
11185 *vec_extractv2di_0_sse): Use v constraint instead of x constraint.
11186 (*vec_extractv4si): Add avx512dq and avx512bw alternatives.
11187 (*vec_extractv4si_zext): Add avx512dq alternative.
11188 (*vec_extractv2di_1): Add x64_avx512dq and avx512bw alternatives,
11189 use v instead of x constraint in other alternatives where possible.
11191 * config/i386/sse.md (sse2_loadld): Use v instead of x
11192 constraint in alternatives 0,1,4.
11194 * config/i386/sse.md (pinsr_evex_isa): New mode attr.
11195 (<sse2p4_1>_pinsr<ssemodesuffix>): Add 2 alternatives with
11196 v constraints instead of x and <pinsr_evex_isa> isa attribute.
11199 * config/i386/sse.md (<sse2_avx2>_packssdw<mask_name>,
11200 <sse4_1_avx2>_packusdw<mask_name>): Make sure EVEX encoded insn
11201 is not emitted unless TARGET_AVX512BW.
11202 (<sse2_avx2>_packuswb<mask_name>, <sse2_avx2>_packsswb<mask_name>):
11203 Likewise. For TARGET_AVX512BW, use "=v" constraint instead of "=x"
11204 for the result operand.
11206 * config/i386/sse.md (*vec_setv4sf_sse4_1, sse4_1_insertps): Use v
11207 constraint instead of x in avx alternatives. Use maybe_evex instead
11210 * config/i386/constraints.md (Yv): New constraint.
11211 * config/i386/i386.h (VALID_AVX512VL_128_REG_MODE): Allow
11212 TFmode and V1TImode in xmm16+ registers for TARGET_AVX512VL.
11213 * config/i386/i386.md (avx512fvecmode): New mode attr.
11214 (*pushtf): Use v constraint instead of x.
11215 (*movtf_internal): Likewise. For TARGET_AVX512VL and
11216 xmm16+ registers, use vmovdqu64 or vmovdqa64 instructions.
11217 (*absneg<mode>2): Use Yv constraint instead of x constraint.
11218 (*absnegtf2_sse): Likewise.
11219 (copysign<mode>3_const, copysign<mode>3_var): Likewise.
11220 * config/i386/sse.md (*andnot<mode>3): Add avx512vl and
11221 avx512f alternatives.
11222 (*andnottf3, *<code><mode>3, *<code>tf3): Likewise.
11224 2016-05-12 Richard Biener <rguenther@suse.de>
11226 PR tree-optimization/71060
11227 * tree-data-ref.c (initialize_data_dependence_relation): Do not
11228 require exact match of DR_BASE_OBJECT but only matching address and
11231 2016-05-12 Richard Biener <rguenther@suse.de>
11233 PR tree-optimization/70986
11234 * cfganal.c: Include cfgloop.h.
11235 (dfs_find_deadend): Prefer to take edges exiting loops.
11237 2016-05-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
11239 * gcc.target/powerpc/pr70963.c: Require at least power8 at both
11240 compile and run time.
11242 2016-05-11 Mikhail Maltsev <maltsevm@gmail.com>
11245 * doc/invoke.texi (Wduplicate-decl-specifier): Document new option.
11247 2016-05-11 Uros Bizjak <ubizjak@gmail.com>
11249 * config/i386/i386.c (legitimize_pic_address): Use
11250 copy_to_suggested_reg instead of gen_movsi.
11252 2016-05-11 Michael Meissner <meissner@linux.vnet.ibm.com>
11254 * config/rs6000/predicates.md (quad_memory_operand): Move most of
11255 the code into quad_address_p and call it to share code with
11256 vsx_quad_dform_memory_operand.
11257 (vsx_quad_dform_memory_operand): New predicate for ISA 3.0 vector
11259 * config/rs6000/rs6000.opt (-mlra): Switch to being an option mask
11260 bit instead of being a separate word. Split -mpower9-dform into
11261 two switches, -mpower9-dform-scalar and -mpower9-dform-vector.
11262 * config/rs6000/rs6000.c (RELOAD_REG_QUAD_OFFSET): New addr_mask
11263 for the register class supporting 128-bit quad word memory offsets.
11264 (mode_supports_vsx_dform_quad): Helper function to return if the
11265 register class uses quad word memory offsets.
11266 (rs6000_debug_addr_mask): Add support for quad word memory offsets.
11267 (rs6000_debug_reg_global): Always print if we are using LRA or not.
11268 (rs6000_setup_reg_addr_masks): If ISA 3.0 vector d-form
11269 instructions are enabled, set up the appropriate addr_masks for
11271 (rs6000_init_hard_regno_mode_ok): wb constraint is now based on
11272 -mpower9-dform-scalar, instead of -mpower9-dform.
11273 (rs6000_option_override_internal): Split -mpower9-dform into two
11274 switches, -mpower9-dform-scalar and -mpower9-dform-vector. The
11275 -mpower9-dform switch sets or clears both. If we are not using
11276 the LRA register allocator, do not enable -mpower9-dform-vector by
11277 default. If we are using LRA, enable -mpower9-dform-vector and
11278 -mvsx-timode if it is appropriate. Issue a warning if either
11279 -mpower9-dform-vector or -mvsx-timode are explicitly used without
11281 (quad_address_offset_p): New helper function to return if the
11282 offset is legal for quad word memory instructions.
11283 (quad_address_p): New function to determin if GPR or vector
11284 register quad word memory addresses are legal.
11285 (mem_operand_gpr): Validate quad word address offsets.
11286 (reg_offset_addressing_ok_p): Add support for ISA 3.0 vector
11287 d-form (register + offset) instructions.
11288 (offsettable_ok_by_alignment): Likewise.
11289 (rs6000_legitimate_offset_address_p): Likewise.
11290 (legitimate_lo_sum_address_p): Likewise.
11291 (rs6000_legitimize_address): Likewise.
11292 (rs6000_legitimize_reload_address): Add more debug statements for
11294 (rs6000_legitimate_address_p): Add support for ISA 3.0 vector
11295 d-form instructions.
11296 (rs6000_secondary_reload_memory): Add support for ISA 3.0 vector
11297 d-form instructions. Distinguish different cases in debug
11298 output. (rs6000_secondary_reload_inner): Add support for ISA 3.0 vector
11299 d-form instructions.
11300 (rs6000_preferred_reload_class): Likewise.
11301 (rs6000_output_move_128bit): Add support for ISA 3.0 d-form
11302 instructions. If ISA 3.0 is available, generate lxvx/stxvx instead
11303 of the ISA 2.06 indexed memory instructions.
11304 (rs6000_emit_prologue): If we have ISA 3.0 d-form instructions,
11305 use them to save/restore the saved vector registers instead of
11306 using Altivec instructions.
11307 (rs6000_emit_epilogue): Likewise.
11308 (rs6000_lra_p): Use TARGET_LRA instead of the old option word.
11309 (rs6000_opt_masks): Split -mpower9-dform into
11310 -mpower9-dform-scalar and -mpower9-dform-vector.
11311 (rs6000_print_options_internal): Print -mno-<switch> if <switch>
11313 * config/rs6000/vsx.md (p9_vecload_<mode>): Delete hack to emit
11314 ISA 3.0 vector indexed memory instructions, and fold the code into
11315 the normal mov<mode> patterns.
11316 (p9_vecstore_<mode>): Likewise.
11317 (vsx_mov<mode>): Add support for ISA 3.0 vector d-form
11319 (vsx_movti_64bit): Likewise.
11320 (vsx_movti_32bit): Likewise.
11321 * config/rs6000/constraints.md (wO constraint): New constraint for
11322 ISA 3.0 vector d-form support.
11323 * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Use
11324 -mpower9-dform-scalar instead of -mpower9-dform. Add note not to
11325 include -mpower9-dform-vector until we switch over to LRA.
11326 (POWERPC_MASKS): Add -mlra. Split -mpower9-dform into two.
11327 switches, -mpower9-dform-scalar and -mpower9-dform-vector.
11328 * config/rs6000/rs6000-protos.h (quad_address_p): Add declaration.
11329 * doc/invoke.texi (RS/6000 and PowerPC Options): Add documentation
11330 for -mpower9-dform and -mlra.
11331 * doc/md.texi (wO constraint): Document wO constraint.
11333 2016-05-11 Alexander Monakov <amonakov@ispras.ru>
11335 * genattr.c (main): Change 'rtx' to 'rtx_insn *' in prototypes of
11336 'insn_latency', 'maximal_insn_latency', 'min_insn_conflict_delay'.
11337 * genautomata.c (output_internal_insn_code_evaluation): Simplify.
11338 Move handling of non-insn arguments inline into the sole user:
11339 (output_trans_func): ...here.
11340 (output_min_insn_conflict_delay_func): Change 'rtx' to 'rtx_insn *'
11341 in emitted function prototype.
11342 (output_internal_insn_latency_func): Ditto. Simplify.
11343 (output_internal_maximal_insn_latency_func): Ditto. Delete
11344 always-unused argument.
11345 (output_insn_latency_func): Ditto.
11346 (output_maximal_insn_latency_func): Ditto.
11348 2016-05-11 Richard Biener <rguenther@suse.de>
11350 PR tree-optimization/71055
11351 * tree-ssa-sccvn.c (vn_reference_lookup_3): When native-interpreting
11352 sth with precision not equal to access size verify we don't chop
11355 2016-05-11 Richard Biener <rguenther@suse.de>
11358 * dwarf2out.c (retry_incomplete_types): Set early_dwarf.
11359 (dwarf2out_finish): Move retry_incomplete_types call ...
11360 (dwarf2out_early_finish): ... here.
11362 2016-05-11 Richard Biener <rguenther@suse.de>
11364 PR middle-end/71002
11365 * alias.c (reference_alias_ptr_type): Preserve alias-set zero
11366 if the langhook insists on it.
11367 * fold-const.c (make_bit_field_ref): Add arg for the original
11368 reference and preserve its alias-set.
11369 (decode_field_reference): Take exp by reference and adjust it
11370 to the original memory reference.
11371 (optimize_bit_field_compare): Adjust callers.
11372 (fold_truth_andor_1): Likewise.
11373 * gimplify.c (gimplify_expr): Adjust in-SSA form test.
11375 2016-05-11 Ilya Enkovich <ilya.enkovich@intel.com>
11377 PR middle-end/70807
11378 * cfgrtl.h (delete_insn_and_edges): Now return bool.
11379 * cfgrtl.c (delete_insn_and_edges): Likewise.
11380 * config/i386/i386.c (convert_scalars_to_vector): Remove
11382 * cse.c (cse_insn): Compute cse_cfg_altered.
11383 (delete_trivially_dead_insns): Likewise.
11384 (cse_cc_succs): Likewise.
11385 (rest_of_handle_cse): Free dominance info if required.
11386 (rest_of_handle_cse2): Likewise.
11387 (rest_of_handle_cse_after_global_opts): Likewise.
11389 2016-05-11 Alan Modra <amodra@gmail.com>
11391 * config/rs6000/rs6000.c (is_complex_IBM_long_double,
11392 abi_v4_pass_in_fpr): New functions.
11393 (rs6000_function_arg_boundary): Exclude complex IBM long double
11394 from 64-bit alignment when ABI_V4.
11395 (rs6000_function_arg, rs6000_function_arg_advance_1,
11396 rs6000_gimplify_va_arg): Use abi_v4_pass_in_fpr.
11398 2016-05-10 Segher Boessenkool <segher@kernel.crashing.org>
11400 PR rtl-optimization/71028
11401 * cfgcleanup.c (try_optimize_cfg): Do not flip a conditional
11402 jump with just a return in the fallthrough block if the branch
11403 block contains just a return as well.
11405 2016-05-10 Marc Glisse <marc.glisse@inria.fr>
11407 * fold-const.c (fold_binary_loc) [(X ^ Y) & Y]: Remove and merge with...
11408 * match.pd ((X & Y) ^ Y): ... this.
11409 ((X & Y) & Y, (X | Y) | Y, (X ^ Y) ^ Y, (X & Y) & (X & Z), (X | Y)
11410 | (X | Z), (X ^ Y) ^ (X ^ Z)): New transformations.
11412 2016-05-10 David Malcolm <dmalcolm@redhat.com>
11414 * read-md.c (require_char_ws): New function.
11415 (read_string): Simplify using require_char_ws.
11416 (handle_constants): Likewise.
11417 (handle_enum): Likewise.
11418 (handle_file): Likewise.
11419 * read-md.h (require_char_ws): New declaration.
11420 * read-rtl.c (read_conditions): Simplify using require_char_ws.
11421 (read_mapping): Likewise.
11422 (read_rtx_code): Likewise.
11423 (read_nested_rtx): Likewise.
11425 2016-05-10 James Norris <jnorris@codesourcery.com>
11427 * config/rs6000/sysv4.h (CRTOFFLOADBEGIN): Define. Add crtoffloadbegin.o
11428 if offloading is enabled and -fopenacc or -fopenmp is specified.
11429 (CRTOFFLOADEND): Likewise.
11430 (STARTFILE_LINUX_SPEC): Add CRTOFFLOADBEGIN.
11431 (ENDFILE_LINUX_SPEC): Add CRTOFFLOADEND.
11433 2016-05-10 Uros Bizjak <ubizjak@gmail.com>
11435 * config/i386/i386.c (legitimize_pic_address): Merge 64-bit and 32-bit
11436 gotoff_operand code paths. Use copy_to_suggested_regs and
11437 expand_simple_binop where appropriate. Cleanup.
11439 2016-05-10 Ilya Enkovich <ilya.enkovich@intel.com>
11442 * config/i386/i386.c (dimode_scalar_to_vector_candidate_p): Allow
11444 (dimode_scalar_chain::vector_const_cost): New.
11445 (dimode_scalar_chain::compute_convert_gain): Handle constants.
11446 (dimode_scalar_chain::convert_op): Likewise.
11447 (dimode_scalar_chain::convert_insn): Likewise.
11449 2016-05-10 Pierre-Marie de Rodat <derodat@adacore.com>
11451 * dwarf2out.c (resolve_args_picking_1): Consider DW_OP_neg as an
11452 unary operation, not a binary one.
11454 2016-05-10 Ilya Enkovich <ilya.enkovich@intel.com>
11456 PR middle-end/70877
11457 * tree-chkp.c (chkp_add_bounds_to_call_stmt): Handle
11458 calls with type casted fndecl.
11460 2016-05-10 Ilya Enkovich <ilya.enkovich@intel.com>
11462 PR tree-optimization/70786
11463 * tree-chkp.c (chkp_find_bounds_1): Support WITH_SIZE_EXPR.
11464 * calls.c (initialize_argument_information): Bind bounds
11465 with corresponding args passed by reference.
11467 2016-05-10 Jakub Jelinek <jakub@redhat.com>
11470 * config/i386/sse.md (<sse>_andnot<mode>3<mask_name>),
11471 *<code><mode>3<mask_name>): For !TARGET_AVX512DQ and EVEX encoding,
11472 use vp*[dq] instead of v*p[sd] instructions and adjust mode attribute
11475 2016-05-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
11478 * config/rs6000/vsx.md (vsx_xvcvdpsxds_scale): Generate correct
11479 code for a zero scale factor.
11480 (vsx_xvcvdpuxds_scale): Likewise.
11482 2016-05-10 David Malcolm <dmalcolm@redhat.com>
11484 * diagnostic-show-locus.c (layout::layout): Call show_ruler
11485 if show_ruler_p was set on the context.
11486 (layout::show_ruler): New method.
11487 * diagnostic.h (struct diagnostic_context): Add field
11490 2016-05-10 Richard Biener <rguenther@suse.de>
11492 PR tree-optimization/71039
11493 * tree-ssa-phiprop.c: Include tree-ssa-loop.h.
11494 (chk_uses): New function.
11495 (propagate_with_phi): Verify we can safely replicate the lhs of an
11496 aggregate assignment on all incoming edges.
11498 2016-05-10 Oleg Endo <olegendo@gcc.gnu.org>
11500 * config/rx/rx-protos.h (is_interrupt_func, is_fast_interrupt_func):
11502 (rx_atomic_sequence): New class.
11503 * config/rx/rx.c (rx_print_operand): Use symbolic names for PSW bits.
11504 (is_interrupt_func, is_fast_interrupt_func): Make non-static and
11506 (rx_atomic_sequence::rx_atomic_sequence,
11507 rx_atomic_sequence::~rx_atomic_sequence): New functions.
11508 * config/rx/rx.md (CTRLREG_PSW, CTRLREG_USP, CTRLREG_FPSW, CTRLREG_CPEN,
11509 CTRLREG_BPSW, CTRLREG_BPC, CTRLREG_ISP, CTRLREG_FINTV,
11510 CTRLREG_INTB): New constants.
11511 (FETCHOP): New code iterator.
11512 (fethcop_name, fetchop_name2): New iterator code attributes.
11513 (QIHI): New mode iterator.
11514 (atomic_exchange<mode>, atomic_exchangesi, xchg_mem<mode>,
11515 atomic_fetch_<fetchop_name>si, atomic_fetch_nandsi,
11516 atomic_<fetchop_name>_fetchsi, atomic_nand_fetchsi): New patterns.
11518 2016-05-10 Martin Liska <mliska@suse.cz>
11520 * tree-inline.c (remap_dependence_clique): Do not remap
11521 debugging statements.
11523 2016-05-10 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
11525 * config/s390/s390.md ("*vec_cmp<insn_cmp>df_cconly")
11526 ("*fixuns_truncdfdi2_z13")
11527 ("*fixuns_trunc<FP:mode><GPR:mode>2_z196")
11528 ("*fix_truncdfdi2_bfp_z13", "*floatunsdidf2_z13")
11529 ("*extendsfdf2_z13"): Replace TARGET_Z13 with TARGET_VX.
11531 2016-05-10 Richard Biener <rguenther@suse.de>
11533 PR tree-optimization/70497
11534 PR tree-optimization/28367
11535 * tree-ssa-sccvn.c (vn_nary_build_or_lookup): New function
11537 (visit_reference_op_load): ... here.
11538 (vn_reference_lookup_3): Use it to handle subreg-like accesses
11539 with simplified BIT_FIELD_REFs.
11540 * tree-ssa-pre.c (eliminate_insert): Handle inserting BIT_FIELD_REFs.
11541 * tree-complex.c (extract_component): Handle BIT_FIELD_REFs
11544 2016-05-10 Pierre-Marie de Rodat <derodat@adacore.com>
11546 * dwarf2out.c (add_abstract_origin_attribute): Adjust
11547 documentation comment. For BLOCK nodes, add a
11548 DW_AT_abstract_origin attribute that points to the DIE generated
11549 for the origin BLOCK.
11550 (gen_lexical_block_die): Call add_abstract_origin_attribute for
11551 blocks from inlined functions.
11553 2016-05-10 Alan Modra <amodra@gmail.com>
11556 * config/rs6000/rs6000.c (rs6000_expand_split_stack_prologue): Stop
11557 regrename modifying insns saving lr before __morestack call.
11558 * config/rs6000/rs6000.md (split_stack_return): Similarly for
11559 insns restoring lr after __morestack call.
11561 2016-05-09 Jakub Jelinek <jakub@redhat.com>
11563 * config/i386/i386.md (set_got, set_got_labelled, lwp_llwpcb,
11564 lwp_lwpval<mode>3, lwp_lwpins<mode>3): Remove constraints from
11566 * config/i386/sse.md (vec_interleave_high<mode>,
11567 vec_interleave_low<mode>, <avx512>_vpermi2var<mode>3_maskz,
11568 <avx512>_vpermt2var<mode>3_maskz): Likewise.
11570 2016-05-04 Aaron Sawdey <acsawdey@linux.vnet.ibm.com>
11572 * config/rs6000/rs6000.c (rs6000_reassociation_width): Add
11573 function for TARGET_SCHED_REASSOCIATION_WIDTH to enable
11574 parallel reassociation for power8 and forward.
11576 2016-05-09 Uros Bizjak <ubizjak@gmail.com>
11578 * config/i386/i386.md (absneg splitters with general regs): Use
11579 general_reg_operand predicate.
11580 (btsq peephole2): Use x86_64_immediate_operand to check if new
11581 value is suitable for immediate operand. Generate emitted insn
11582 using RTL expressions.
11583 (btcq peephole2): Ditto.
11584 (btrq peephole2): Ditto. Generate correct immediate operand
11587 2016-05-09 Richard Sandiford <richard.sandiford@arm.com>
11589 * cfgexpand.c (expand_debug_expr): Fix address offset for negative
11592 2016-05-09 Richard Sandiford <richard.sandiford@arm.com>
11594 * tree-affine.c (wide_int_constant_multiple_p): Add missing
11595 pointer dereference.
11597 2016-05-09 Richard Biener <rguenther@suse.de>
11599 PR tree-optimization/70985
11600 * match.pd (BIT_FIELD_REF -> (type)): Disable on GIMPLE when
11601 op0 isn't a gimple register.
11603 2016-05-09 Prachi Godbole <prachi.godbole@imgtec.com>
11605 * config/mips/i6400.md (i6400_fpu_intadd, i6400_fpu_logic)
11606 (i6400_fpu_div, i6400_fpu_cmp, i6400_fpu_float, i6400_fpu_store)
11607 (i6400_fpu_long_pipe, i6400_fpu_logic_l, i6400_fpu_float_l)
11608 (i6400_fpu_mult): New cpu units.
11609 (i6400_msa_add_d, i6400_msa_int_add, i6400_msa_short_logic3)
11610 (i6400_msa_short_logic2, i6400_msa_short_logic, i6400_msa_move)
11611 (i6400_msa_cmp, i6400_msa_short_float2, i6400_msa_div_d)
11612 (i6400_msa_div_w, i6400_msa_div_h, i6400_msa_div_b)
11613 (i6400_msa_copy, i6400_msa_branch, i6400_fpu_msa_store)
11614 (i6400_fpu_msa_load, i6400_fpu_msa_move, i6400_msa_long_logic1)
11615 (i6400_msa_long_logic2, i6400_msa_mult, i6400_msa_long_float2)
11616 (i6400_msa_long_float4, i6400_msa_long_float5)
11617 (i6400_msa_long_float8, i6400_msa_fdiv_df)
11618 (i6400_msa_fdiv_sf): New reservations.
11619 * config/mips/p5600.md (p5600_fpu_intadd, p5600_fpu_cmp)
11620 (p5600_fpu_float, p5600_fpu_logic_a, p5600_fpu_logic_b)
11621 (p5600_fpu_div, p5600_fpu_logic, p5600_fpu_float_a)
11622 (p5600_fpu_float_b, p5600_fpu_float_c, p5600_fpu_float_d)
11623 (p5600_fpu_mult, p5600_fpu_fdiv, p5600_fpu_load): New cpu units.
11624 (msa_short_int_add, msa_short_logic, msa_short_logic_move_v)
11625 (msa_short_cmp, msa_short_float2, msa_short_logic3)
11626 (msa_short_store4, msa_long_load, msa_short_store)
11627 (msa_long_logic, msa_long_float2, msa_long_float4)
11628 (msa_long_float5, msa_long_float8, msa_long_mult)
11629 (msa_long_fdiv, msa_long_div): New reservations.
11631 2016-05-09 Robert Suchanek <robert.suchanek@imgtec.com>
11632 Sameera Deshpande <sameera.deshpande@imgtec.com>
11633 Matthew Fortune <matthew.fortune@imgtec.com>
11634 Graham Stott <graham.stott@imgtec.com>
11635 Chao-ying Fu <chao-ying.fu@imgtec.com>
11637 * config.gcc: Add MSA header file for mips*-*-* target.
11638 * config/mips/constraints.md (YI, YC, YZ, Unv5, Uuv5, Usv5, Uuv6)
11639 (Ubv8i, Urv8): New constraints.
11640 * config/mips/mips-ftypes.def: Add function types for MSA
11642 * config/mips/mips-modes.def (V16QI, V8HI, V4SI, V2DI, V4SF)
11643 (V2DF, V32QI, V16HI, V8SI, V4DI, V8SF, V4DF): New modes.
11644 * config/mips/mips-msa.md: New file.
11645 * config/mips/mips-protos.h
11646 (mips_split_128bit_const_insns): New prototype.
11647 (mips_msa_idiv_insns): Likewise.
11648 (mips_split_128bit_move): Likewise.
11649 (mips_split_128bit_move_p): Likewise.
11650 (mips_split_msa_copy_d): Likewise.
11651 (mips_split_msa_insert_d): Likewise.
11652 (mips_split_msa_fill_d): Likewise.
11653 (mips_expand_msa_branch): Likewise.
11654 (mips_const_vector_same_val_p): Likewise.
11655 (mips_const_vector_same_bytes_p): Likewise.
11656 (mips_const_vector_same_int_p): Likewise.
11657 (mips_const_vector_shuffle_set_p): Likewise.
11658 (mips_const_vector_bitimm_set_p): Likewise.
11659 (mips_const_vector_bitimm_clr_p): Likewise.
11660 (mips_msa_vec_parallel_const_half): Likewise.
11661 (mips_msa_output_division): Likewise.
11662 (mips_ldst_scaled_shift): Likewise.
11663 (mips_expand_vec_cond_expr): Likewise.
11664 * config/mips/mips.c (enum mips_builtin_type): Add
11665 MIPS_BUILTIN_MSA_TEST_BRANCH.
11666 (mips_gen_const_int_vector_shuffle): New prototype.
11667 (mips_const_vector_bitimm_set_p): New function.
11668 (mips_const_vector_bitimm_clr_p): Likewise.
11669 (mips_const_vector_same_val_p): Likewise.
11670 (mips_const_vector_same_bytes_p): Likewise.
11671 (mips_const_vector_same_int_p): Likewise.
11672 (mips_const_vector_shuffle_set_p): Likewise.
11673 (mips_symbol_insns): Forbid loading symbols via immediate for
11675 (mips_valid_offset_p): Limit offset to 10-bit for MSA loads and
11677 (mips_valid_lo_sum_p): Forbid loadings symbols via %lo(base) for
11679 (mips_lx_address_p): Add support load indexed address for MSA.
11680 (mips_address_insns): Add calculation of instructions needed for
11681 stores and loads for MSA.
11682 (mips_const_insns): Move CONST_DOUBLE below CONST_VECTOR. Handle
11683 CONST_VECTOR for MSA and let it fall through.
11684 (mips_ldst_scaled_shift): New function.
11685 (mips_subword_at_byte): Likewise.
11686 (mips_msa_idiv_insns): Likewise.
11687 (mips_legitimize_move): Validate MSA moves.
11688 (mips_rtx_costs): Add UNGE, UNGT, UNLE, UNLT cases. Add
11689 calculation of costs for MSA division.
11690 (mips_split_move_p): Check if MSA moves need splitting.
11691 (mips_split_move): Split MSA moves if necessary.
11692 (mips_split_128bit_move_p): New function.
11693 (mips_split_128bit_move): Likewise.
11694 (mips_split_msa_copy_d): Likewise.
11695 (mips_split_msa_insert_d): Likewise.
11696 (mips_split_msa_fill_d): Likewise.
11697 (mips_output_move): Handle MSA moves.
11698 (mips_expand_msa_branch): New function.
11699 (mips_print_operand): Add 'E', 'B', 'w', 'v' and 'V' modifiers.
11700 Reinstate 'y' modifier.
11701 (mips_file_start): Add MSA .gnu_attribute.
11702 (mips_hard_regno_mode_ok_p): Allow TImode and 128-bit vectors in
11704 (mips_hard_regno_nregs): Always return 1 for MSA supported mode.
11705 (mips_class_max_nregs): Add register size for MSA supported mode.
11706 (mips_cannot_change_mode_class): Allow conversion between MSA
11707 vector modes and TImode.
11708 (mips_mode_ok_for_mov_fmt_p): Allow MSA to use move.v
11710 (mips_secondary_reload_class): Force MSA loads/stores via memory.
11711 (mips_preferred_simd_mode): Add preffered modes for MSA.
11712 (mips_vector_mode_supported_p): Add MSA supported modes.
11713 (mips_autovectorize_vector_sizes): New function.
11714 (mips_msa_output_division): Likewise.
11715 (MSA_BUILTIN, MIPS_BUILTIN_DIRECT_NO_TARGET)
11716 (MSA_NO_TARGET_BUILTIN, MSA_BUILTIN_TEST_BRANCH): New macros.
11717 (CODE_FOR_msa_adds_s_b, CODE_FOR_msa_adds_s_h)
11718 (CODE_FOR_msa_adds_s_w, CODE_FOR_msa_adds_s_d)
11719 (CODE_FOR_msa_adds_u_b, CODE_FOR_msa_adds_u_h)
11720 (CODE_FOR_msa_adds_u_w, CODE_FOR_msa_adds_u_du
11721 (CODE_FOR_msa_addv_b, CODE_FOR_msa_addv_h, CODE_FOR_msa_addv_w)
11722 (CODE_FOR_msa_addv_d, CODE_FOR_msa_and_v, CODE_FOR_msa_bmnz_v)
11723 (CODE_FOR_msa_bmnzi_b, CODE_FOR_msa_bmz_v, CODE_FOR_msa_bmzi_b)
11724 (CODE_FOR_msa_bnz_v, CODE_FOR_msa_bz_v, CODE_FOR_msa_bsel_v)
11725 (CODE_FOR_msa_bseli_b, CODE_FOR_msa_ceqi_h, CODE_FOR_msa_ceqi_w)
11726 (CODE_FOR_msa_ceqi_d, CODE_FOR_msa_clti_s_b)
11727 (CODE_FOR_msa_clti_s_h, CODE_FOR_msa_clti_s_w)
11728 (CODE_FOR_msa_clti_s_d, CODE_FOR_msa_clti_u_b)
11729 (CODE_FOR_msa_clti_u_h, CODE_FOR_msa_clti_u_w)
11730 (CODE_FOR_msa_clti_u_d, CODE_FOR_msa_clei_s_b)
11731 (CODE_FOR_msa_clei_s_h, CODE_FOR_msa_clei_s_w)
11732 (CODE_FOR_msa_clei_s_d, CODE_FOR_msa_clei_u_b)
11733 (CODE_FOR_msa_clei_u_h, CODE_FOR_msa_clei_u_w)
11734 (CODE_FOR_msa_clei_u_d, CODE_FOR_msa_div_s_b)
11735 (CODE_FOR_msa_div_s_h, CODE_FOR_msa_div_s_w)
11736 (CODE_FOR_msa_div_s_d, CODE_FOR_msa_div_u_b)
11737 (CODE_FOR_msa_div_u_h, CODE_FOR_msa_div_u_w)
11738 (CODE_FOR_msa_div_u_d, CODE_FOR_msa_fadd_w, CODE_FOR_msa_fadd_d)
11739 (CODE_FOR_msa_fexdo_w, CODE_FOR_msa_ftrunc_s_w)
11740 (CODE_FOR_msa_ftrunc_s_d, CODE_FOR_msa_ftrunc_u_w)
11741 (CODE_FOR_msa_ftrunc_u_d, CODE_FOR_msa_ffint_s_w)
11742 (CODE_FOR_msa_ffint_s_d, CODE_FOR_msa_ffint_u_w)
11743 (CODE_FOR_msa_ffint_u_d, CODE_FOR_msa_fsub_w)
11744 (CODE_FOR_msa_fsub_d, CODE_FOR_msa_fmsub_d, CODE_FOR_msa_fmadd_w)
11745 (CODE_FOR_msa_fmadd_d, CODE_FOR_msa_fmsub_w, CODE_FOR_msa_fmul_w)
11746 (CODE_FOR_msa_fmul_d, CODE_FOR_msa_fdiv_w, CODE_FOR_msa_fdiv_d)
11747 (CODE_FOR_msa_fmax_w, CODE_FOR_msa_fmax_d, CODE_FOR_msa_fmax_a_w)
11748 (CODE_FOR_msa_fmax_a_d, CODE_FOR_msa_fmin_w, CODE_FOR_msa_fmin_d)
11749 (CODE_FOR_msa_fmin_a_w, CODE_FOR_msa_fmin_a_d)
11750 (CODE_FOR_msa_fsqrt_w, CODE_FOR_msa_fsqrt_d)
11751 (CODE_FOR_msa_max_s_b, CODE_FOR_msa_max_s_h)
11752 (CODE_FOR_msa_max_s_w, CODE_FOR_msa_max_s_d)
11753 (CODE_FOR_msa_max_u_b, CODE_FOR_msa_max_u_h)
11754 (CODE_FOR_msa_max_u_w, CODE_FOR_msa_max_u_d)
11755 (CODE_FOR_msa_min_s_b, CODE_FOR_msa_min_s_h)
11756 (CODE_FOR_msa_min_s_w, CODE_FOR_msa_min_s_d)
11757 (CODE_FOR_msa_min_u_b, CODE_FOR_msa_min_u_h)
11758 (CODE_FOR_msa_min_u_w, CODE_FOR_msa_min_u_d)
11759 (CODE_FOR_msa_mod_s_b, CODE_FOR_msa_mod_s_h)
11760 (CODE_FOR_msa_mod_s_w, CODE_FOR_msa_mod_s_d)
11761 (CODE_FOR_msa_mod_u_b, CODE_FOR_msa_mod_u_h)
11762 (CODE_FOR_msa_mod_u_w, CODE_FOR_msa_mod_u_d)
11763 (CODE_FOR_msa_mod_s_b, CODE_FOR_msa_mod_s_h)
11764 (CODE_FOR_msa_mod_s_w, CODE_FOR_msa_mod_s_d)
11765 (CODE_FOR_msa_mod_u_b, CODE_FOR_msa_mod_u_h)
11766 (CODE_FOR_msa_mod_u_w, CODE_FOR_msa_mod_u_d)
11767 (CODE_FOR_msa_mulv_b, CODE_FOR_msa_mulv_h, CODE_FOR_msa_mulv_w)
11768 (CODE_FOR_msa_mulv_d, CODE_FOR_msa_nlzc_b, CODE_FOR_msa_nlzc_h)
11769 (CODE_FOR_msa_nlzc_w, CODE_FOR_msa_nlzc_d, CODE_FOR_msa_nor_v)
11770 (CODE_FOR_msa_or_v, CODE_FOR_msa_ori_b, CODE_FOR_msa_nori_b)
11771 (CODE_FOR_msa_pcnt_b, CODE_FOR_msa_pcnt_h, CODE_FOR_msa_pcnt_w)
11772 (CODE_FOR_msa_pcnt_d, CODE_FOR_msa_xor_v, CODE_FOR_msa_xori_b)
11773 (CODE_FOR_msa_sll_b, CODE_FOR_msa_sll_h, CODE_FOR_msa_sll_w)
11774 (CODE_FOR_msa_sll_d, CODE_FOR_msa_slli_b, CODE_FOR_msa_slli_h)
11775 (CODE_FOR_msa_slli_w, CODE_FOR_msa_slli_d, CODE_FOR_msa_sra_b)
11776 (CODE_FOR_msa_sra_h, CODE_FOR_msa_sra_w, CODE_FOR_msa_sra_d)
11777 (CODE_FOR_msa_srai_b, CODE_FOR_msa_srai_h, CODE_FOR_msa_srai_w)
11778 (CODE_FOR_msa_srai_d, CODE_FOR_msa_srl_b, CODE_FOR_msa_srl_h)
11779 (CODE_FOR_msa_srl_w, CODE_FOR_msa_srl_d, CODE_FOR_msa_srli_b)
11780 (CODE_FOR_msa_srli_h, CODE_FOR_msa_srli_w, CODE_FOR_msa_srli_d)
11781 (CODE_FOR_msa_subv_b, CODE_FOR_msa_subv_h, CODE_FOR_msa_subv_w)
11782 (CODE_FOR_msa_subv_d, CODE_FOR_msa_subvi_b, CODE_FOR_msa_subvi_h)
11783 (CODE_FOR_msa_subvi_w, CODE_FOR_msa_subvi_d, CODE_FOR_msa_move_v)
11784 (CODE_FOR_msa_vshf_b, CODE_FOR_msa_vshf_h, CODE_FOR_msa_vshf_w)
11785 (CODE_FOR_msa_vshf_d, CODE_FOR_msa_ilvod_d, CODE_FOR_msa_ilvev_d)
11786 (CODE_FOR_msa_pckod_d, CODE_FOR_msa_pckdev_d, CODE_FOR_msa_ldi_b)
11787 (CODE_FOR_msa_ldi_hi, CODE_FOR_msa_ldi_w)
11788 (CODE_FOR_msa_ldi_d): New code_aliasing macros.
11789 (mips_builtins): Add MSA sll_b, sll_h, sll_w, sll_d, slli_b,
11790 slli_h, slli_w, slli_d, sra_b, sra_h, sra_w, sra_d, srai_b,
11791 srai_h, srai_w, srai_d, srar_b, srar_h, srar_w, srar_d, srari_b,
11792 srari_h, srari_w, srari_d, srl_b, srl_h, srl_w, srl_d, srli_b,
11793 srli_h, srli_w, srli_d, srlr_b, srlr_h, srlr_w, srlr_d, srlri_b,
11794 srlri_h, srlri_w, srlri_d, bclr_b, bclr_h, bclr_w, bclr_d,
11795 bclri_b, bclri_h, bclri_w, bclri_d, bset_b, bset_h, bset_w,
11796 bset_d, bseti_b, bseti_h, bseti_w, bseti_d, bneg_b, bneg_h,
11797 bneg_w, bneg_d, bnegi_b, bnegi_h, bnegi_w, bnegi_d, binsl_b,
11798 binsl_h, binsl_w, binsl_d, binsli_b, binsli_h, binsli_w,
11799 binsli_d, binsr_b, binsr_h, binsr_w, binsr_d, binsri_b, binsri_h,
11800 binsri_w, binsri_d, addv_b, addv_h, addv_w, addv_d, addvi_b,
11801 addvi_h, addvi_w, addvi_d, subv_b, subv_h, subv_w, subv_d,
11802 subvi_b, subvi_h, subvi_w, subvi_d, max_s_b, max_s_h, max_s_w,
11803 max_s_d, maxi_s_b, maxi_s_h, maxi_s_w, maxi_s_d, max_u_b,
11804 max_u_h, max_u_w, max_u_d, maxi_u_b, maxi_u_h, maxi_u_w,
11805 maxi_u_d, min_s_b, min_s_h, min_s_w, min_s_d, mini_s_b, mini_s_h,
11806 mini_s_w, mini_s_d, min_u_b, min_u_h, min_u_w, min_u_d, mini_u_b,
11807 mini_u_h, mini_u_w, mini_u_d, max_a_b, max_a_h, max_a_w, max_a_d,
11808 min_a_b, min_a_h, min_a_w, min_a_d, ceq_b, ceq_h, ceq_w, ceq_d,
11809 ceqi_b, ceqi_h, ceqi_w, ceqi_d, clt_s_b, clt_s_h, clt_s_w,
11810 clt_s_d, clti_s_b, clti_s_h, clti_s_w, clti_s_d, clt_u_b,
11811 clt_u_h, clt_u_w, clt_u_d, clti_u_b, clti_u_h, clti_u_w,
11812 clti_u_d, cle_s_b, cle_s_h, cle_s_w, cle_s_d, clei_s_b, clei_s_h,
11813 clei_s_w, clei_s_d, cle_u_b, cle_u_h, cle_u_w, cle_u_d, clei_u_b,
11814 clei_u_h, clei_u_w, clei_u_d, ld_b, ld_h, ld_w, ld_d, st_b, st_h,
11815 st_w, st_d, sat_s_b, sat_s_h, sat_s_w, sat_s_d, sat_u_b, sat_u_h,
11816 sat_u_w, sat_u_d, add_a_b, add_a_h, add_a_w, add_a_d, adds_a_b,
11817 adds_a_h, adds_a_w, adds_a_d, adds_s_b, adds_s_h, adds_s_w,
11818 adds_s_d, adds_u_b, adds_u_h, adds_u_w, adds_u_d, ave_s_b,
11819 ave_s_h, ave_s_w, ave_s_d, ave_u_b, ave_u_h, ave_u_w, ave_u_d,
11820 aver_s_b, aver_s_h, aver_s_w, aver_s_d, aver_u_b, aver_u_h,
11821 aver_u_w, aver_u_d, subs_s_b, subs_s_h, subs_s_w, subs_s_d,
11822 subs_u_b, subs_u_h, subs_u_w, subs_u_d, subsuu_s_b, subsuu_s_h,
11823 subsuu_s_w, subsuu_s_d, subsus_u_b, subsus_u_h, subsus_u_w,
11824 subsus_u_d, asub_s_b, asub_s_h, asub_s_w, asub_s_d, asub_u_b,
11825 asub_u_h, asub_u_w, asub_u_d, mulv_b, mulv_h, mulv_w, mulv_d,
11826 maddv_b, maddv_h, maddv_w, maddv_d, msubv_b, msubv_h, msubv_w,
11827 msubv_d, div_s_b, div_s_h, div_s_w, div_s_d, div_u_b, div_u_h,
11828 div_u_w, div_u_d, hadd_s_h, hadd_s_w, hadd_s_d, hadd_u_h,
11829 hadd_u_w, hadd_u_d, hsub_s_h, hsub_s_w, hsub_s_d, hsub_u_h,
11830 hsub_u_w, hsub_u_d, mod_s_b, mod_s_h, mod_s_w, mod_s_d, mod_u_b,
11831 mod_u_h, mod_u_w, mod_u_d, dotp_s_h, dotp_s_w, dotp_s_d,
11832 dotp_u_h, dotp_u_w, dotp_u_d, dpadd_s_h, dpadd_s_w, dpadd_s_d,
11833 dpadd_u_h, dpadd_u_w, dpadd_u_d, dpsub_s_h, dpsub_s_w, dpsub_s_d,
11834 dpsub_u_h, dpsub_u_w, dpsub_u_d, sld_b, sld_h, sld_w, sld_d,
11835 sldi_b, sldi_h, sldi_w, sldi_d, splat_b, splat_h, splat_w,
11836 splat_d, splati_b, splati_h, splati_w, splati_d, pckev_b,
11837 pckev_h, pckev_w, pckev_d, pckod_b, pckod_h, pckod_w, pckod_d,
11838 ilvl_b, ilvl_h, ilvl_w, ilvl_d, ilvr_b, ilvr_h, ilvr_w, ilvr_d,
11839 ilvev_b, ilvev_h, ilvev_w, ilvev_d, ilvod_b, ilvod_h, ilvod_w,
11840 ilvod_d, vshf_b, vshf_h, vshf_w, vshf_d, and_v, andi_b, or_v,
11841 ori_b, nor_v, nori_b, xor_v, xori_b, bmnz_v, bmnzi_b, bmz_v,
11842 bmzi_b, bsel_v, bseli_b, shf_b, shf_h, shf_w, bnz_v, bz_v,
11843 fill_b, fill_h, fill_w, fill_d, pcnt_b, pcnt_h, pcnt_w,
11844 pcnt_d, nloc_b, nloc_h, nloc_w, nloc_d, nlzc_b, nlzc_h, nlzc_w,
11845 nlzc_d, copy_s_b, copy_s_h, copy_s_w, copy_s_d, copy_u_b,
11846 copy_u_h, copy_u_w, copy_u_d, insert_b, insert_h, insert_w,
11847 insert_d, insve_b, insve_h, insve_w, insve_d, bnz_b, bnz_h,
11848 bnz_w, bnz_d, bz_b, bz_h, bz_w, bz_d, ldi_b, ldi_h, ldi_w, ldi_d,
11849 fcaf_w, fcaf_d, fcor_w, fcor_d, fcun_w, fcun_d, fcune_w, fcune_d,
11850 fcueq_w, fcueq_d, fceq_w, fceq_d, fcne_w, fcne_d, fclt_w, fclt_d,
11851 fcult_w, fcult_d, fcle_w, fcle_d, fcule_w, fcule_d, fsaf_w,
11852 fsaf_d, fsor_w, fsor_d, fsun_w, fsun_d, fsune_w, fsune_d,
11853 fsueq_w, fsueq_d, fseq_w, fseq_d, fsne_w, fsne_d, fslt_w,
11854 fslt_d, fsult_w, fsult_d, fsle_w, fsle_d, fsule_w, fsule_d,
11855 fadd_w, fadd_d, fsub_w, fsub_d, fmul_w, fmul_d, fdiv_w, fdiv_d,
11856 fmadd_w, fmadd_d, fmsub_w, fmsub_d, fexp2_w, fexp2_d, fexdo_h,
11857 fexdo_w, ftq_h, ftq_w, fmin_w, fmin_d, fmin_a_w, fmin_a_d,
11858 fmax_w, fmax_d, fmax_a_w, fmax_a_d, mul_q_h, mul_q_w, mulr_q_h,
11859 mulr_q_w, madd_q_h, madd_q_w, maddr_q_h, maddr_q_w, msub_q_h,
11860 msub_q_w, msubr_q_h, msubr_q_w, fclass_w, fclass_d, fsqrt_w,
11861 fsqrt_d, frcp_w, frcp_d, frint_w, frint_d, frsqrt_w, frsqrt_d,
11862 flog2_w, flog2_d, fexupl_w, fexupl_d, fexupr_w, fexupr_d, ffql_w,
11863 ffql_d, ffqr_w, ffqr_d, ftint_s_w, ftint_s_d, ftint_u_w,
11864 ftint_u_d, ftrunc_s_w, ftrunc_s_d, ftrunc_u_w, ftrunc_u_d,
11865 ffint_s_w, ffint_s_d, ffint_u_w, ffint_u_d, ctcmsa, cfcmsa,
11867 (mips_get_builtin_decl_index): New array.
11868 (MIPS_ATYPE_QI, MIPS_ATYPE_HI, MIPS_ATYPE_V2DI, MIPS_ATYPE_V4SI)
11869 (MIPS_ATYPE_V8HI, MIPS_ATYPE_V16QI, MIPS_ATYPE_V2DF)
11870 (MIPS_ATYPE_V4SF, MIPS_ATYPE_UV2DI, MIPS_ATYPE_UV4SI)
11871 (MIPS_ATYPE_UV8HI, MIPS_ATYPE_UV16QI): New.
11872 (mips_init_builtins): Initialize mips_get_builtin_decl_index
11874 (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Define target
11876 (mips_expand_builtin_insn): Prepare operands for
11877 CODE_FOR_msa_addvi_b, CODE_FOR_msa_addvi_h, CODE_FOR_msa_addvi_w,
11878 CODE_FOR_msa_addvi_d, CODE_FOR_msa_clti_u_b,
11879 CODE_FOR_msa_clti_u_h, CODE_FOR_msa_clti_u_w,
11880 CODE_FOR_msa_clti_u_d, CODE_FOR_msa_clei_u_b,
11881 CODE_FOR_msa_clei_u_h, CODE_FOR_msa_clei_u_w,
11882 CODE_FOR_msa_clei_u_d, CODE_FOR_msa_maxi_u_b,
11883 CODE_FOR_msa_maxi_u_h, CODE_FOR_msa_maxi_u_w,
11884 CODE_FOR_msa_maxi_u_d, CODE_FOR_msa_mini_u_b,
11885 CODE_FOR_msa_mini_u_h, CODE_FOR_msa_mini_u_w,
11886 CODE_FOR_msa_mini_u_d, CODE_FOR_msa_subvi_b,
11887 CODE_FOR_msa_subvi_h, CODE_FOR_msa_subvi_w, CODE_FOR_msa_subvi_d,
11888 CODE_FOR_msa_ceqi_b, CODE_FOR_msa_ceqi_h, CODE_FOR_msa_ceqi_w,
11889 CODE_FOR_msa_ceqi_d, CODE_FOR_msa_clti_s_b,
11890 CODE_FOR_msa_clti_s_h, CODE_FOR_msa_clti_s_w,
11891 CODE_FOR_msa_clti_s_d, CODE_FOR_msa_clei_s_b,
11892 CODE_FOR_msa_clei_s_h, CODE_FOR_msa_clei_s_w,
11893 CODE_FOR_msa_clei_s_d, CODE_FOR_msa_maxi_s_b,
11894 CODE_FOR_msa_maxi_s_h, CODE_FOR_msa_maxi_s_w,
11895 CODE_FOR_msa_maxi_s_d, CODE_FOR_msa_mini_s_b,
11896 CODE_FOR_msa_mini_s_h, CODE_FOR_msa_mini_s_w,
11897 CODE_FOR_msa_mini_s_d, CODE_FOR_msa_andi_b, CODE_FOR_msa_ori_b,
11898 CODE_FOR_msa_nori_b, CODE_FOR_msa_xori_b, CODE_FOR_msa_bmzi_b,
11899 CODE_FOR_msa_bmnzi_b, CODE_FOR_msa_bseli_b, CODE_FOR_msa_fill_b,
11900 CODE_FOR_msa_fill_h, CODE_FOR_msa_fill_w, CODE_FOR_msa_fill_d,
11901 CODE_FOR_msa_ilvl_b, CODE_FOR_msa_ilvl_h, CODE_FOR_msa_ilvl_w,
11902 CODE_FOR_msa_ilvl_d, CODE_FOR_msa_ilvr_b, CODE_FOR_msa_ilvr_h,
11903 CODE_FOR_msa_ilvr_w, CODE_FOR_msa_ilvr_d, CODE_FOR_msa_ilvev_b,
11904 CODE_FOR_msa_ilvev_h, CODE_FOR_msa_ilvev_w, CODE_FOR_msa_ilvod_b,
11905 CODE_FOR_msa_ilvod_h, CODE_FOR_msa_ilvod_w, CODE_FOR_msa_pckev_b,
11906 CODE_FOR_msa_pckev_h, CODE_FOR_msa_pckev_w, CODE_FOR_msa_pckod_b,
11907 CODE_FOR_msa_pckod_h, CODE_FOR_msa_pckod_w, CODE_FOR_msa_slli_b,
11908 CODE_FOR_msa_slli_h, CODE_FOR_msa_slli_w, CODE_FOR_msa_slli_d,
11909 CODE_FOR_msa_srai_b, CODE_FOR_msa_srai_h, CODE_FOR_msa_srai_w,
11910 CODE_FOR_msa_srai_d, CODE_FOR_msa_srli_b, CODE_FOR_msa_srli_h,
11911 CODE_FOR_msa_srli_w, CODE_FOR_msa_srli_d, CODE_FOR_msa_insert_b,
11912 CODE_FOR_msa_insert_h, CODE_FOR_msa_insert_w,
11913 CODE_FOR_msa_insert_d, CODE_FOR_msa_insve_b,
11914 CODE_FOR_msa_insve_h, CODE_FOR_msa_insve_w, CODE_FOR_msa_insve_d,
11915 CODE_FOR_msa_shf_b, CODE_FOR_msa_shf_h, CODE_FOR_msa_shf_w,
11916 CODE_FOR_msa_shf_w_f, CODE_FOR_msa_vshf_b, CODE_FOR_msa_vshf_h,
11917 CODE_FOR_msa_vshf_w, CODE_FOR_msa_vshf_d.
11918 (mips_expand_builtin): Add case for MIPS_BULTIN_MSA_TEST_BRANCH.
11919 (mips_set_compression_mode): Disallow MSA with MIPS16 code.
11920 (mips_option_override): -mmsa requires -mfp64 and -mhard-float.
11921 These are set implicitly and an error is reported if overridden.
11922 (mips_expand_builtin_msa_test_branch): New function.
11923 (mips_expand_msa_shuffle): Likewise.
11924 (MAX_VECT_LEN): Increase maximum length of a vector to 16 bytes.
11925 (TARGET_SCHED_REASSOCIATION_WIDTH): Define target hook.
11926 (TARGET_VECTORIZE_AUTOVECTORIZE_VECTOR_SIZES): Likewise.
11927 (mips_expand_vec_unpack): Add support for MSA.
11928 (mips_expand_vector_init): Likewise.
11929 (mips_expand_vi_constant): Use CONST0_RTX (element_mode)
11930 instead of const0_rtx.
11931 (mips_msa_vec_parallel_const_half): New function.
11932 (mips_gen_const_int_vector): Likewise.
11933 (mips_gen_const_int_vector_shuffle): Likewise.
11934 (mips_expand_msa_cmp): Likewise.
11935 (mips_expand_vec_cond_expr): Likewise.
11936 * config/mips/mips.h
11937 (TARGET_CPU_CPP_BUILTINS): Add __mips_msa and __mips_msa_width.
11938 (OPTION_DEFAULT_SPECS): Ignore --with-fp-32 if -mmsa is
11940 (ASM_SPEC): Pass mmsa and mno-msa to the assembler.
11941 (ISA_HAS_MSA): New macro.
11942 (UNITS_PER_MSA_REG): Likewise.
11943 (BITS_PER_MSA_REG): Likewise.
11944 (BIGGEST_ALIGNMENT): Redefine using ISA_HAS_MSA.
11945 (MSA_REG_FIRST): New macro.
11946 (MSA_REG_LAST): Likewise.
11947 (MSA_REG_NUM): Likewise.
11948 (MSA_REG_P): Likewise.
11949 (MSA_REG_RTX_P): Likewise.
11950 (MSA_SUPPORTED_MODE_P): Likewise.
11951 (HARD_REGNO_CALL_PART_CLOBBERED): Redefine using TARGET_MSA.
11952 (ADDITIONAL_REGISTER_NAMES): Add named registers $w0-$w31.
11953 * config/mips/mips.md: Include mips-msa.md.
11954 (alu_type): Add simd_add.
11955 (mode): Add V2DI, V4SI, V8HI, V16QI, V2DF, V4SF.
11956 (type): Add simd_div, simd_fclass, simd_flog2, simd_fadd,
11957 simd_fcvt, simd_fmul, simd_fmadd, simd_fdiv, simd_bitins,
11958 simd_bitmov, simd_insert, simd_sld, simd_mul, simd_fcmp,
11959 simd_fexp2, simd_int_arith, simd_bit, simd_shift, simd_splat,
11960 simd_fill, simd_permute, simd_shf, simd_sat, simd_pcnt,
11961 simd_copy, simd_branch, simd_cmsa, simd_fminmax, simd_logic,
11962 simd_move, simd_load, simd_store. Choose "multi" for moves
11964 (qword_mode): New attribute.
11965 (insn_count): Add instruction count for quad moves.
11966 Increase the count for MIPS SIMD division.
11967 (UNITMODE): Add UNITMODEs for vector types.
11968 (addsub): New code iterator.
11969 * config/mips/mips.opt (mmsa): New option.
11970 * config/mips/msa.h: New file.
11971 * config/mips/mti-elf.h: Don't infer -mfpxx if -mmsa is
11973 * config/mips/mti-linux.h: Likewise.
11974 * config/mips/predicates.md
11975 (const_msa_branch_operand): New constraint.
11976 (const_uimm3_operand): Likewise.
11977 (const_uimm4_operand): Likewise.
11978 (const_uimm5_operand): Likewise.
11979 (const_uimm8_operand): Likewise.
11980 (const_imm5_operand): Likewise.
11981 (aq10b_operand): Likewise.
11982 (aq10h_operand): Likewise.
11983 (aq10w_operand): Likewise.
11984 (aq10d_operand): Likewise.
11985 (const_m1_operand): Likewise.
11986 (reg_or_m1_operand): Likewise.
11987 (const_exp_2_operand): Likewise.
11988 (const_exp_4_operand): Likewise.
11989 (const_exp_8_operand): Likewise.
11990 (const_exp_16_operand): Likewise.
11991 (const_vector_same_val_operand): Likewise.
11992 (const_vector_same_simm5_operand): Likewise.
11993 (const_vector_same_uimm5_operand): Likewise.
11994 (const_vector_same_uimm6_operand): Likewise.
11995 (const_vector_same_uimm8_operand): Likewise.
11996 (par_const_vector_shf_set_operand): Likewise.
11997 (reg_or_vector_same_val_operand): Likewise.
11998 (reg_or_vector_same_simm5_operand): Likewise.
11999 (reg_or_vector_same_uimm6_operand): Likewise.
12000 * doc/extend.texi (MIPS SIMD Architecture Functions): New
12002 * doc/invoke.texi (-mmsa): Document new option.
12004 2016-05-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
12006 * configure.ac (enable_vtable_verify): Handle --enable-vtable-verify.
12007 * configure: Regenerate.
12008 * config.in: Regenerate.
12009 * gcc.c (VTABLE_VERIFICATION_SPEC) [!ENABLE_VTABLE_VERIFY]: Error
12010 on -fvtable-verify.
12011 * config/sol2.h [!ENABLE_VTABLE_VERIFY] (STARTFILE_VTV_SPEC): Define.
12012 (ENDFILE_VTV_SPEC): Define.
12014 2016-05-09 Kaushik Phatak <kaushik.phatak@kpit.com>
12016 * config/rl78/rl78.c (rl78_expand_prologue): Save the MDUC related
12017 registers in all interrupt handlers if necessary.
12018 (rl78_option_override): Add warning.
12019 (MUST_SAVE_MDUC_REGISTERS): New macro.
12020 (rl78_expand_epilogue): Restore the MDUC registers if necessary.
12021 * config/rl78/rl78.c (check_mduc_usage): New function.
12022 (mduc_regs): New structure to hold MDUC register data.
12023 * config/rl78/rl78.md (is_g13_muldiv_insn): New attribute.
12024 (mulsi3_g13): Add is_g13_muldiv_insn attribute.
12025 (udivmodsi4_g13): Add is_g13_muldiv_insn attribute.
12026 (mulhi3_g13): Add is_g13_muldiv_insn attribute.
12027 * config/rl78/rl78.opt (msave-mduc-in-interrupts): New option.
12028 * doc/invoke.texi (RL78 Options): Add -msave-mduc-in-interrupts.
12030 2016-05-09 Bin Cheng <bin.cheng@arm.com>
12032 * tree-if-conv.c (tree-ssa-loop.h): Include header file.
12033 (tree-ssa-loop-niter.h): Ditto.
12034 (idx_within_array_bound, ref_within_array_bound): New functions.
12035 (ifcvt_memrefs_wont_trap): Check if array ref is within bound.
12036 Factor out check on writable base object to ...
12037 (base_object_writable): ... here.
12039 2016-05-09 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
12041 * config/arm/arm.md (probe_stack): Add modes to set source
12044 2016-05-09 Bernd Schmidt <bschmidt@redhat.com>
12046 * regrename.c (base_reg_class_for_rename): New static function.
12047 (scan_rtx_address, scan_rtx): Use it instead of base_reg_class.
12049 2016-05-08 Jan Hubicka <hubicka@ucw.cz>
12051 * cgraph.c (thunk_adjust): Export.
12052 * cgraphclones.c (cgraph_node::create_clone): Clone thunk info.
12053 * cgraphunit.c (thunk_adjust): Export.
12054 (cgraph_node::assemble_thunks_and_aliases): Do not assemble inlined
12056 * ipa-inline-analyssi.c (compute_inline_parameters): Thunks are
12058 * tree-inline.c (expand_call_inline): Expand thunks inline.
12060 2016-05-08 Uros Bizjak <ubizjak@gmail.com>
12063 * config/i386/sse.md (*sse2_vd_cvtsd2ss): New insn pattern.
12064 (*sse2_vd_cvtss2sd): Ditto.
12065 * config/i386/i386.md
12066 (TARGET_SSE_PARTIAL_REG_DEPENDENCY float_truncate df->sf splitter):
12067 Generate *sse2_vd_cvtsd2ss pattern.
12068 (TARGET_SSE_PARTIAL_REG_DEPENDENCY float_extend sf->df splitter):
12069 Generate *sse2_vd_cvtss2sd pattern.
12071 2016-05-08 Oleg Endo <olegendo@gcc.gnu.org>
12073 * config/sh/sh.h (GET_SH_ARG_CLASS): Convert macro into ...
12074 * config/sh/sh.c (get_sh_arg_class): ... this new function. Update its
12077 2016-05-08 Oleg Endo <olegendo@gcc.gnu.org>
12079 * config/sh/sh-protos.h (sh_media_register_for_return): Remove.
12080 * config/sh/sh.c: Define and declare variables on first use throughout
12082 (current_function_interrupt): Change to bool type.
12083 (frame_insn): Rename to emit_frame_insn and update users.
12084 (push_regs): Use bool for 'interrupt_handler' argument.
12085 (save_schedule_s): Remove.
12086 (TARGET_ASM_UNALIGNED_DI_OP, TARGET_ASM_ALIGNED_DI_OP): Remove.
12087 (sh_option_override): Don't nullify targetm.asm_out.aligned_op.di and
12088 targetm.asm_out.unaligned_op.di.
12089 (gen_far_branch): Remove redundant forward declaration.
12090 (sh_media_register_for_return, MAX_SAVED_REGS, save_entry_s, save_entry,
12091 MAX_TEMPS, save_schedule_ssave_schedule): Remove.
12092 (sh_set_return_address, sh_function_ok_for_sibcall,
12093 scavenge_reg): Update comments.
12094 (sh_builtin_saveregs): Use TRAGET_FPU_ANY condition.
12095 (sh2a_get_function_vector_number, sh2a_function_vector_p): Use for loop.
12096 (sh_attr_renesas_p): Remove unnecessary parentheses.
12097 (branch_dest): Simplify.
12098 * config/sh/sh.h (sh_args): Remove byref, byref_regs, stack_regs fields.
12099 Change force_mem, prototype_p, outgoing, renesas_abi fields to bool.
12100 (CUMULATIVE_ARGS): Change macro to typedef.
12101 (current_function_interrupt): Change to bool type.
12102 (sh_arg_class, sh_args, CUMULATIVE_ARGS, current_function_interrupt):
12103 Surround with __cplusplus ifdef.
12104 (sh_compare_op0, sh_compare_op1): Remove.
12105 (EPILOGUE_USES): Use TARGET_FPU_ANY condition.
12107 2016-05-07 Jim Wilson <jim.wilson@linaro.org>
12109 * config/arm/arm.md: (arch): Add neon.
12110 (arch_enabled): Return yes for arch neon when TARGET_NEON.
12111 * config/arm/vfp.md (movdf_vfp): Add w/G as alternative 3. Add
12112 neon_move as type for alt 3. Add arch attr enabling alt 3 for neon.
12113 Emit vmov.i64 for alt 3. Renumber alternatives 3 to 8. Adjust
12114 attributes for alt renumbering. Mark alt 3 as non-predicable.
12115 (thumb2_movdf_vfp): Likewise.
12117 2016-05-07 Uros Bizjak <ubizjak@gmail.com>
12119 * config/i386/i386.md (*addqi_1): Add preferred_for_speed attribute
12120 to disparage alternatives 3 and 4 for TARGET_PARTIAL_REG_STALL targets.
12121 (*andqi_1): Add preferred_for_speed attribute to disparage
12122 alternative 2 for TARGET_PARTIAL_REG_STALL targets.
12123 (*<code>qi_1): Ditto.
12124 (*one_cmplqi2_1): Add preferred_for_speed attribute to disparage
12125 alternative 1 for TARGET_PARTIAL_REG_STALL targets.
12126 (*ashlqi3_1): Ditto.
12127 (*swap<mode>): Merge from *swap<mode>_1 and *swap<mode>_2 patterns.
12128 Add preferred_for_size attribute to disparage alternative 0 and
12129 preferred_for_speed attribute to disparage alternative 1 for
12130 TARGET_PARTIAL_REG_STALL targets.
12132 2016-05-07 Tom de Vries <tom@codesourcery.com>
12134 PR tree-optimization/70956
12135 * graphite-scop-detection.c (build_cross_bb_scalars_def): Handle NULL
12138 2016-05-07 Oleg Endo <olegendo@gcc.gnu.org>
12140 * config/sh/sh-protos.h (sh_cbranch_distance): Declare new function.
12141 * config/sh/sh.c (sh_cbranch_distance): Implement it.
12142 * config/sh/sh.md (branch_zero): Remove define_attr.
12143 (define_delay): Disable delay slot if branch distance is one insn.
12145 2016-05-06 Uros Bizjak <ubizjak@gmail.com>
12147 * config/i386/i386.md (LEAMODE): New mode attribute.
12148 (plus to LEA splitter): Rewrite splitter using LEAMODE mode attribute.
12149 (ashift to LEA splitter): Rewrte splitter using SWI mode iterator
12150 and LEAMODE mode attribute. Use VOIDmode const_0_to_3_operand as
12151 operand 2 predicate.
12152 (*lea<mode>_general_2): Use VOIDmode for const248_operand.
12153 (*lea<mode>_general_3): Ditto.
12154 (*lea<mode>_general_4): Use VOIDmode for const_0_to_3_operand.
12156 2016-05-06 Jakub Jelinek <jakub@redhat.com>
12158 * genmddump.c (main): Convert argv from char ** to const char **.
12160 2016-05-06 David Malcolm <dmalcolm@redhat.com>
12162 * coretypes.h (OVERRIDE): New macro.
12163 (FINAL): New macro.
12165 2016-05-06 Eric Botcazou <ebotcazou@adacore.com>
12167 * tree-ssa-coalesce.c (gimple_can_coalesce_p): In the optimized case,
12168 allow coalescing if the types are compatible.
12170 2016-05-06 David Malcolm <dmalcolm@redhat.com>
12172 * pass_manager.h (pass_manager::register_pass_name): New method.
12173 (pass_manager::get_pass_by_name): New method.
12174 (pass_manager::create_pass_tab): New method.
12175 (pass_manager::m_name_to_pass_map): New field.
12176 * passes.c (name_to_pass_map): Delete global in favor of field
12177 "m_name_to_pass_map" of pass_manager.
12178 (register_pass_name): Rename from a function to...
12179 (pass_manager::register_pass_name): ...this method, updating
12180 for renaming of global "name_to_pass_map" to field
12181 "m_name_to_pass_map".
12182 (create_pass_tab): Rename from a function to...
12183 (pass_manager::create_pass_tab): ...this method, updating
12184 for renaming of global "name_to_pass_map" to field.
12185 (get_pass_by_name): Rename from a function to...
12186 (pass_manager::get_pass_by_name): ...this method.
12187 (enable_disable_pass): Convert use of get_pass_by_name to
12188 a method call, locating the pass_manager singleton.
12190 2016-05-06 David Malcolm <dmalcolm@redhat.com>
12192 * genattr-common.c (main): Convert argv from char ** to const char **.
12193 * genattr.c (main): Likewise.
12194 * genattrtab.c (main): Likewise.
12195 * genautomata.c (initiate_automaton_gen): Likewise.
12197 * gencodes.c (main): Likewise.
12198 * genconditions.c (main): Likewise.
12199 * genconfig.c (main): Likewise.
12200 * genconstants.c (main): Likewise.
12201 * genemit.c (main): Likewise.
12202 * genenums.c (main): Likewise.
12203 * genextract.c (main): Likewise.
12204 * genflags.c (main): Likewise.
12205 * genmddeps.c (main): Likewise.
12206 * genopinit.c (main): Likewise.
12207 * genoutput.c (main): Likewise.
12208 * genpeep.c (main): Likewise.
12209 * genpreds.c (main): Likewise.
12210 * genrecog.c (main): Likewise.
12211 * gensupport.c (init_rtx_reader_args_cb): Likewise.
12212 (init_rtx_reader_args): Likewise.
12213 * gensupport.h (init_rtx_reader_args_cb): Likewise.
12214 (init_rtx_reader_args): Likewise.
12215 * gentarget-def.c (main): Likewise.
12216 * read-md.c (read_md_files): Likewise.
12217 * read-md.h (read_md_files): Likewise.
12219 2016-05-06 Uros Bizjak <ubizjak@gmail.com>
12221 * config/i386/i386.md (int cmove peephole2s): Use general_reg_operand
12222 instead of register_and_not_any_fp_reg_operand as operand 0 predicate.
12223 * config/i386/predicates.md (register_and_not_any_fp_reg_operand):
12224 Remove unused predicate.
12225 (register_and_not_fp_reg_operand): Ditto.
12227 2016-05-06 Martin Liska <mliska@suse.cz>
12229 * tree-if-conv.c (ifcvt_split_critical_edges): Use auto_vec
12230 instead of vec as the vector is local to the function.
12232 2016-05-06 Jakub Jelinek <jakub@redhat.com>
12234 * config/i386/sse.md (*<code>v8hi3, *<code>v16qi3): Add
12235 avx512bw alternative.
12237 * config/i386/sse.md (<mask_codefor>ashr<mode>3<mask_name>): Move
12238 before the ashr<mode>3 pattern.
12240 * config/i386/sse.md (*avx2_pmaddwd, *sse2_pmaddwd): Use
12241 v instead of x in vex or maybe_vex alternatives, use
12242 maybe_evex instead of vex in prefix.
12244 * config/i386/sse.md (*vec_extractv4sf_0, *sse4_1_extractps,
12245 *vec_extractv4sf_mem, vec_extract_lo_v16hi, vec_extract_hi_v16hi,
12246 vec_extract_lo_v32qi, vec_extract_hi_v32qi): Use v instead of x
12247 in vex or maybe_vex alternatives, use maybe_evex instead of vex
12250 * config/i386/sse.md (*vec_concatv2sf_sse4_1, *vec_concatv4sf): Use
12251 v instead of x in vex or maybe_vex alternatives, use
12252 maybe_evex instead of vex in prefix.
12254 * config/i386/sse.md (sse_shufps_<mode>, sse_storehps, sse_loadhps,
12255 sse_storelps, sse_movss, avx2_vec_dup<mode>, avx2_vec_dupv8sf_1,
12256 sse2_shufpd_<mode>, sse2_storehpd, sse2_storelpd, sse2_loadhpd,
12257 sse2_loadlpd, sse2_movsd): Use v instead of x in vex or maybe_vex
12258 alternatives, use maybe_evex instead of vex in prefix.
12260 * config/i386/sse.md (vec_interleave_lowv4sf,
12261 *vec_interleave_highv2df, *vec_interleave_lowv2df): Use
12262 v instead of x in vex or maybe_vex alternatives, use
12263 maybe_evex instead of vex in prefix.
12265 * config/i386/sse.md (sse_movhlps, sse_movlhps): Use
12266 v instead of x in vex or maybe_vex alternatives, use
12267 maybe_evex instead of vex in prefix.
12269 * config/i386/sse.md (*avx_cvtpd2dq256_2, *avx_cvtps2pd256_2): Use
12270 v constraint instead of x.
12272 2016-05-06 Nathan Sidwell <nathan@codesourcery.com>
12274 * gimple.c (gimple_call_same_target_p): Unique functions are eq.
12275 * tree-ssa-tail-merge.c (same_succ::equal): Check pointer eq
12278 2016-05-06 Richard Biener <rguenther@suse.de>
12280 PR tree-optimization/70948
12281 * tree-ssa-structalias.c (find_func_aliases_for_builtin_call):
12282 Properly clobber all fields of va_list for __builtin_va_start.
12284 2016-05-06 Yuri Rumyantsev <ysrumyan@gmail.com>
12287 * tree-ssa-loop-unswitch.c (find_loop_guard): Reject guard edge with
12288 loop latch destination.
12290 2016-05-06 Martin Liska <mliska@suse.cz>
12292 * tree-ssa-uninit.c: Apply manual changes
12293 to the GNU coding style.
12294 (prune_uninit_phi_opnds): Rename from
12295 prune_uninit_phi_opnds_in_unrealizable_paths.
12297 2016-05-06 Oleg Endo <olegendo@gcc.gnu.org>
12299 * config/sh/sh.opt (madjust-unroll, minvalid-symbols, msoft-atomic,
12300 mspace): Remove deprecated options.
12301 * doc/invoke.texi (SH options): Remove -mspace.
12303 2016-05-06 Oleg Endo <olegendo@gcc.gnu.org>
12305 * config/sh/sh.md (ic_invalidate_line_sh4a): Fix insn length.
12307 2016-05-06 Oleg Endo <olegendo@gcc.gnu.org>
12309 * config/sh/sh.md (*cmpeqsi_t): Remove combine insn pattern and similar
12310 corresponding combine split pattern.
12312 2016-05-06 Oleg Endo <olegendo@gcc.gnu.org>
12315 * config/sh/predicates.md (long_displacement_mem_operand): New.
12316 * config/sh/sh.md (movsi_i): Allow for SH2A, disallow for any FPU.
12317 Add movi20, movi20s alternatives. Adjust length attribute for
12319 (movsi_ie): Allow for any FPU. Adjust length attribute for
12321 (movsi_i_lowpart): Add movi20, movi20s alternatives. Adjust length
12322 attribute for alternatives.
12323 (*mov<mode>): Use long_displacement_mem_operand for length attribute.
12324 (*movdi_i, movdf_k, movdf_i4, movsf_i, movsf_ie, movsf_ie_ra): Adjust
12325 length attribute for alternatives.
12327 2016-05-06 Richard Biener <rguenther@suse.de>
12329 PR tree-optimization/70960
12330 * tree-if-conv.c (ifcvt_walk_pattern_tree): Handle non-SSA ops.
12332 2016-05-06 Oleg Endo <olegendo@gcc.gnu.org>
12335 * config/sh/sh.md (*cmp_div0s_7, *cmp_div0s_8): Add div0s variants.
12336 * config/sh/sh.c (sh_rtx_costs): Add another div0s case.
12338 2016-05-06 Marek Polacek <polacek@redhat.com>
12341 * ubsan.c (get_ubsan_type_info_for_type): Remove assert.
12343 2016-05-06 Oleg Endo <olegendo@gcc.gnu.org>
12346 * config/sh/sh.md (*rotcr): Add another variant.
12348 2016-05-06 Richard Biener <rguenther@suse.de>
12350 PR middle-end/70931
12351 * dwarf2out.c (native_encode_initializer): Skip zero-sized fields.
12353 2016-05-06 Richard Biener <rguenther@suse.de>
12355 PR middle-end/70941
12356 * fold-const.c (split_tree): Always convert to the original type
12359 2016-05-06 Richard Biener <rguenther@suse.de>
12361 * fwprop.c (fwprop): Remove duplicate cleanup_cfg call.
12362 (fwprop_addr): Likewise.
12364 2016-05-06 Uros Bizjak <ubizjak@gmail.com>
12367 * config/i386/i386-protos.h (ix86_standard_x87sse_constant_load_p):
12369 * config/i386/i386.c (ix86_standard_x87sse_constant_load_p): New.
12370 * config/i386/i386.md (push mem splitter): Use find_constant_src in
12371 the splitter condition.
12372 (FP load splitter): Use ix86_standard_x87sse_constant_load_p in
12373 the splitter condition.
12374 (FP float_extend load splitter): Ditto.
12376 2016-05-05 Uros Bizjak <ubizjak@gmail.com>
12378 * config/i386/i386.md (peehole2 patterns): Change true_regnum
12379 to REGNO in all peephole2 patterns.
12380 (post-reload splitters): Change true_regnum to REGNO in
12381 post-reload splitters.
12382 (zero_extend splitters): Use general_reg_operand and
12383 nonimmediate_gr_operand predicates.
12385 2016-05-05 Jakub Jelinek <jakub@redhat.com>
12387 * config/i386/sse.md (<avx512>_fmadd_<mode>_mask3<round_name>): Use
12388 v constraint instead of x.
12390 2016-05-05 Alan Modra <amodra@gmail.com>
12393 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Don't
12394 set OPTION_MASK_RELOCATABLE when flag_pic == 2. Set
12395 TARGET_NO_FP_IN_TOC for -mrelocatable.
12396 (MINIMAL_TOC_SECTION_ASM_OP): Remove redundant
12397 TARGET_RELOCATABLE test.
12398 (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
12399 (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
12400 * config/rs6000/linux64.h (MINIMAL_TOC_SECTION_ASM_OP): Likewise.
12401 (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
12402 (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
12403 * config/rs6000/freebsd64.h (MINIMAL_TOC_SECTION_ASM_OP): Likewise.
12404 (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
12405 (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
12406 * config/rs6000/predicates.md (easy_fp_constant): Likewise.
12407 * config/rs6000/rs6000.c (rs6000_elf_output_toc_section_asm_op):
12409 (rs6000_assemble_integer): Update TARGET_RELOCATABLE test.
12410 (rs6000_stack_info): Likewise.
12411 (rs6000_elf_asm_out_constructor): Likewise.
12412 (rs6000_elf_asm_out_destructor): Likewise.
12413 (rs6000_elf_declare_function_name): Likewise.
12414 * config/rs6000/rs6000.md (load_toc_aix_di): Likewise.
12415 * config/rs6000/rs6000.h (MASK_RELOCATABLE, MASK_MINIMAL_TOC):
12418 2016-05-05 Alan Modra <amodra@gmail.com>
12420 * config/rs6000/rs6000.c (rs6000_frame_related): Rewrite.
12422 2016-05-05 Alan Modra <amodra@gmail.com>
12424 * config/rs6000/rs6000.c (rs6000_savres_strategy): Don't use
12425 out-of-line gpr restore for one or two regs if that would add
12428 2016-05-04 Uros Bizjak <ubizjak@gmail.com>
12431 * config/i386/i386.md
12432 (TARGET_SSE_PARTIAL_REG_DEPENDENCY float_extend sf->df peephole2):
12433 Change to post-epilogue_completed late splitter. Use sse_reg_operand
12434 as operand 0 predicate.
12435 (TARGET_SSE_PARTIAL_REG_DEPENDENCY float_truncate df->sf peephole2):
12437 (TARGET_SSE_PARTIAL_REG_DEPENDENCY float {si,di}->{sf,df} peephole2):
12438 Ditto. Emit the pattern using RTX.
12440 (TARGET_USE_VECTOR_FP_CONVERTS float_extend sf->df splitter):
12441 Use sse_reg_opreand as operand 0 predicate. Do not use true_regnum in
12442 the post-reload splitter. Use lowpart_subreg instead of gen_rtx_REG.
12443 (TARGET_USE_VECTOR_FP_CONVERTS float_truncate df->sf splitter):
12445 (TARGET_USE_VECTOR_CONVERTS float si->{sf,df} splitter): Use
12446 sse_reg_operand as operand 0 predicate.
12448 (TARGET_SPLIT_MEM_OPND_FOR_FP_CONVERTS float_extend sf->df peephole2):
12449 Use sse_reg_opreand as operand 0 predicate. Use lowpart_subreg
12450 instead of gen_rtx_REG.
12451 (TARGET_SPLIT_MEM_OPND_FOR_FP_CONVERTS float_truncate sf->df peephole2):
12454 2016-05-04 Segher Boessenkool <segher@kernel.crashing.org>
12456 * function.c (emit_use_return_register_into_block): Delete.
12457 (gen_return_pattern): Delete.
12458 (emit_return_into_block): Delete.
12459 (active_insn_between): Delete.
12460 (convert_jumps_to_returns): Delete.
12461 (emit_return_for_exit): Delete.
12462 (thread_prologue_and_epilogue_insns): Delete all code dealing with
12463 simple_return for shrink-wrapped blocks.
12464 * shrink-wrap.c (try_shrink_wrapping): Insert simple_return at the
12465 end of blocks that need one.
12466 (get_unconverted_simple_return): Delete.
12467 (convert_to_simple_return): Delete.
12468 * shrink-wrap.c (get_unconverted_simple_return): Delete declaration.
12469 (convert_to_simple_return): Ditto.
12471 2016-05-04 Segher Boessenkool <segher@kernel.crashing.org>
12473 * cfgcleanup.c (bb_is_just_return): New function.
12474 (try_optimize_cfg): Simplify jumps to return, branches to return,
12475 and branches around return.
12477 2016-05-04 Segher Boessenkool <segher@kernel.crashing.org>
12479 * cfgcleanup.c (try_simplify_condjump): Don't try to simplify a
12480 branch to a return.
12482 2016-05-04 Jakub Jelinek <jakub@redhat.com>
12486 * tree-core.h (enum operand_equal_flag): Add OEP_HASH_CHECK.
12487 * tree.c (inchash::add_expr): If !IS_EXPR_CODE_CLASS (tclass),
12488 assert flags & OEP_HASH_CHECK, instead of asserting it
12489 never happens. Handle TARGET_EXPR.
12490 * fold-const.c (operand_equal_p): For hash verification,
12491 or in OEP_HASH_CHECK into flags.
12493 2016-05-04 Eric Botcazou <ebotcazou@adacore.com>
12495 * tree-ssa-coalesce.c (gimple_can_coalesce_p): Fix reference in head
12497 (compute_samebase_partition_bases): Fix typo.
12499 2016-05-04 Jakub Jelinek <jakub@redhat.com>
12501 * config/i386/sse.md (vec_interleave_highv8sf,
12502 vec_interleave_lowv8sf, vec_interleave_highv4df,
12503 vec_interleave_lowv4df): Remove constraints from expanders.
12505 * config/i386/sse.md (sse2_movq128): Use v constraint instead of x.
12507 2016-05-04 Jan Hubicka <hubicka@ucw.cz>
12509 * tree-inline.c (expand_call_inline): Fix path dealing with
12510 making lhs of call statement undefined.
12512 2016-05-04 Jan Hubicka <hubicka@ucw.cz>
12514 * cgraph.c (cgraph_node::call_for_symbol_thunks_and_aliases):
12515 Check availability on NODE, too.
12516 * cgraph.h (symtab_node::call_for_symbol_and_aliases): Likewise.
12517 (cgraph_node::call_for_symbol_and_aliases): Likewise.
12518 (varpool_node::call_for_symbol_and_aliase): Likewise.
12519 * ipa-pure-const.c (add_new_function): Analyze all bodies.
12520 (propagate_pure_const): Propagate across interposable functions, too.
12521 (skip_function_for_local_pure_const): Do not skip interposable bodies
12523 (pass_local_pure_const::execute): Update.
12525 2016-05-04 Marek Polacek <polacek@redhat.com>
12527 * doc/invoke.texi: Document -Wdangling-else.
12529 2016-05-04 Thomas Preud'homme <thomas.preudhomme@arm.com>
12531 * config.gcc: Error out when conflicting multilib is detected. Do not
12532 loop over multilibs since no combination is legal.
12534 2016-05-04 Alan Modra <amodra@gmail.com>
12536 * config/rs6000/rs6000.h (PIC_OFFSET_TABLE_REGNUM): Correct.
12537 * config/rs6000/sysv4.h (TARGET_TOC): Simplify.
12538 * config/rs6000/rs6000.c (rs6000_elf_output_toc_section_asm_op):
12541 2016-05-04 Matthew Fortune <matthew.fortune@imgtec.com>
12543 * config/mips/mips-cpus.def (p5600): Avoid IMADD by default.
12544 Clean up p5600 comments.
12546 2016-05-04 Richard Biener <rguenther@suse.de>
12548 * match.pd: Add BIT_FIELD_REF canonicalizations and vector
12549 constructor simplifications.
12550 * fold-const.c (fold_ternary_loc): Remove duplicate functionality here.
12552 2016-05-04 Oleg Endo <olegendo@gcc.gnu.org>
12554 * config/sh/predicates (post_inc_mem, pre_dec_mem): New predicates.
12555 * config/sh/sh-protos.h (sh_find_set_of_reg): Return null result if
12556 result.set_rtx is null instead of aborting.
12557 * config/sh/sh.h (USE_LOAD_POST_INCREMENT, USE_STORE_PRE_DECREMENT):
12559 (USE_LOAD_PRE_DECREMENT, USE_STORE_POST_INCREMENT): Enable for SH2A.
12560 * config/sh/sh.md (*extend<mode>si2_predec, *mov<mode>_load_predec,
12561 *mov<mode>_store_postinc): New patterns.
12563 2016-05-04 Marc Glisse <marc.glisse@inria.fr>
12565 * match.pd ((A | B) & (A | C)): Generalize to BIT_XOR_EXPR. Mark
12566 as commutative. Check both conversions are NOP.
12567 ((A & B) OP (C & B)): Remove.
12569 2016-05-04 Alan Modra <amodra@gmail.com>
12571 * combine.c (simplify_set): Correct WORD_REGISTER_OPERATIONS test.
12573 2016-05-04 Alan Modra <amodra@gmail.com>
12576 * config/rs6000/rs6000.c (rs6000_stack_info): Don't set cr_save_p
12577 when cr2,3,4 are all fixed regs.
12579 2016-05-04 Bernd Schmidt <bschmidt@redhat.com>
12581 PR rtl-optimization/57193
12582 * opts.c (default_options_table): Revert OPT_frename_registers change.
12583 * doc/invoke.texi (-frename-registers, -O2): Likewise.
12585 2016-05-03 Martin Sebor <msebor@redhat.com>
12588 * builtins.c (fold_builtin_FILE): New function.
12589 (fold_builtin_FUNCTION, fold_builtin_LINE): New functions.
12590 (fold_builtin_0): Call them.
12591 * gimplify.c (gimplify_call_expr): Remove the handling of
12592 BUILT_IN_FILE, BUILT_IN_FUNCTION, and BUILT_IN_LINE.
12595 * doc/extend.texi (Other Builtins): Update __builtin_FILE,
12596 __builtin_FUNCTION, and __builtin_LINE to reflect they yield
12600 * doc/extend.texi (Function Names as Strings): Update __func__,
12601 __FUNCTION__, __PRETTY_FUNCTION__ to reflect they evaluate to
12604 2016-05-03 Jakub Jelinek <jakub@redhat.com>
12605 Richard Biener <rguenther@suse.de>
12607 PR tree-optimization/70916
12608 * tree-if-conv.c: Include cfganal.h.
12609 (pass_if_conversion::execute): Call connect_infinite_loops_to_exit
12610 and remove_fake_exit_edges around the optimization pass.
12612 2016-05-03 Jan Hubicka <hubicka@ucw.cz>
12614 * cgraph.c (symbol_table::create_edge): Set inline_failed.
12615 (cgraph_edge::make_direct): Likewise.
12616 (cgraph_edge::dump_edge_flags): Dump call_stmt_cannot_inline_p.
12617 * cgraphclones.c (duplicate_thunk_for_node): Set inline_failed.
12618 * cif-code.def (CIF_LTO_MISMATCHED_DECLARATIONS): New code
12619 (CIF_THUNK): New code.
12620 * ipa-inline-analysis.c (initialize_inline_failed): Preserve
12621 CIF_FINAL_ERROR codes; do not deal with call_stmt_cannot_inline_p.
12622 (compute_inline_parameters): Set inline_failed for thunks.
12623 (inline_analyze_function): Cleanup.
12624 * ipa-inline.c (can_inline_edge_p): Do not deal with
12625 call_stmt_cannot_inline_p.
12626 (can_early_inline_edge_p): Likewise.
12627 (early_inliner): Initialize inline_failed.
12628 * lto-cgraph.c (lto_output_edge): Sanity check inline_failed.
12630 2016-05-03 Uros Bizjak <ubizjak@gmail.com>
12632 * config/i386/predicates.md (x87nonimm_ssenomem_operand): Rename
12633 from nonimm_ssenomem_operand.
12634 (nonimm_ssenomem_operand): New predicate.
12635 * config/i386/i386.md (extendsfdf2): Use nonimm_ssenomem_operand
12636 as operand 0 predicate.
12637 (*extendsfdf2): Merge from *extendsfdf2_mixed and *extendsfdf2_i387.
12638 Disable unsupported alternatives using "enabled" attribute.
12639 Use register_ssemem_operand as operand 0 predicate.
12640 (*fop_<mode>_1): Use x87nonimm_ssenomem_operand as operand 1 predicate.
12642 2016-05-03 Marek Polacek <polacek@redhat.com>
12645 * input.c (expansion_point_location): New function.
12646 * input.h (expansion_point_location): Declare.
12648 2016-05-03 Pierre-Marie de Rodat <derodat@adacore.com>
12650 * dwarf2out.c (resolve_args_picking_1): Replace the frame_offset
12651 occurence with frame_offset_ ones.
12653 2016-05-03 Alan Modra <amodra@gmail.com>
12655 PR rtl-optimization/70890
12656 * ira.c (combine_and_move_insns): When moving def_insn, remove
12657 equivs on use_insn.
12659 2016-05-03 Dominik Vogt <vogt@linux.vnet.ibm.com>
12661 * config/s390/s390.md ("*r<noxa>sbg_<mode>_sll")
12662 ("*r<noxa>sbg_<mode>_srl"): New define_insns.
12663 ("*r<noxa>sbg_<mode>_srl_bitmask"): Rename by adding "_bitmask".
12664 ("*r<noxa>sbg_<mode>_sll_bitmask"): Likewise.
12666 2016-05-03 Alan Modra <amodra@gmail.com>
12668 * config/rs6000/rs6000.c (rs6000_savres_strategy): Correct condition
12669 for SAVE_MULTIPLE/STORE_MULTIPLE.
12671 2016-05-03 Jakub Jelinek <jakub@redhat.com>
12673 * config/i386/i386.md (*truncdfsf_mixed, *truncdfsf_i387,
12674 *truncxfsf2_mixed, *truncxfdf2_mixed): Use v constraint instead of x.
12676 2016-05-03 Richard Biener <rguenther@suse.de>
12678 * gimplify.h (get_initialized_tmp_var): Add allow_ssa parameter
12680 (gimplify_arg): Likewise.
12681 * gimplify.c (gimplify_expr): Add overload with allow_ssa parameter,
12682 re-writing the result to a decl if required.
12683 (internal_get_tmp_var): Add allow_ssa parameter
12684 and override into_ssa with it.
12685 (get_formal_tmp_var): Adjust.
12686 (get_initialized_tmp_var): Add allow_ssa parameter.
12687 (gimplify_arg): Add allow_ssa parameter and avoid generating
12688 SSA names for the result false.
12689 (gimplify_call_expr): If the call may return twice do not
12690 gimplify parameters into SSA.
12691 (prepare_gimple_addressable): Do not allow an SSA name as temporary.
12692 (gimplify_modify_expr): Adjust assert. For noreturn calls
12693 with a SSA name LHS adjust its def.
12694 (gimplify_save_expr): Do not allow an SSA name as save-expr result.
12695 (gimplify_one_sizepos): Do not allow an SSA name as a sizepos.
12696 (gimplify_body): Init GIMPLE SSA data structures and gimplify into-SSA.
12697 (gimplify_scan_omp_clauses): Make sure OMP_CLAUSE_SIZE is not
12698 an SSA name. Likewise for OMP_CLAUSE_REDUCTION operands.
12699 (gimplify_omp_for): Likewise for OMP_CLAUSE_DECL. Likewise
12700 for OMP_FOR_COND, OMP_FOR_INCR and OMP_CLAUSE_LINEAR_STEP.
12701 (optimize_target_teams): Do not allow SSA names for clause operands.
12702 (gimplify_expr): Likewise for where we mark the result addressable.
12703 * passes.def (pass_init_datastructures): Remove.
12704 * tree-into-ssa.c (mark_def_sites): Ignore existing SSA names.
12705 (rewrite_stmt): Likewise.
12706 * tree-inline.c (initialize_cfun): Properly transfer SSA state.
12707 (replace_locals_op): Replace SSA names.
12708 (copy_gimple_seq_and_replace_locals): Init src_cfun.
12709 * gimple-low.c (lower_builtin_setjmp): Deal with SSA.
12710 * cgraph.c (release_function_body): Free CFG annotations only
12711 when we have a CFG. Simplify.
12712 * gimple-fold.c (gimplify_and_update_call_from_tree): Use
12713 force_gimple_operand instead of get_initialized_tmp_var.
12714 * tree-pass.h (make_pass_init_datastructures): Remove.
12715 * tree-ssa.c (execute_init_datastructures): Remove.
12716 (pass_data_init_datastructures): Likewise.
12717 (class pass_init_datastructures): Likewise.
12718 (make_pass_init_datastructures): Likewise.
12719 * omp-low.c (create_omp_child_function): Init SSA data structures.
12720 (grid_expand_target_grid_body): Likewise.
12721 * tree-cfg.c (move_block_to_fn): Double-check the DEF is an SSA
12722 name before adding it to names_to_release.
12723 (remove_bb): Always release SSA defs.
12724 * tree-ssa-ccp.c (get_default_value): Check SSA_NAME_VAR
12725 before dereferencing it.
12726 * cgraphunit.c (init_lowered_empty_function): Always
12727 int SSA data structures.
12728 * tree-ssanames.c (release_defs): Remove assert that we are in
12730 * trans-mem.c (diagnose_tm_1): Handle SSA name function.
12732 2016-05-03 Jakub Jelinek <jakub@redhat.com>
12733 Uros Bizjak <ubizjak@gmail.com>
12735 PR rtl-optimization/70467
12736 * config/i386/predicates.md (x86_64_hilo_int_operand,
12737 x86_64_hilo_general_operand): New predicates.
12738 * config/i386/constraints.md (Wd): New constraint.
12739 * config/i386/i386.md (mode attr di): Use Wd instead of e.
12740 (general_hilo_operand): New mode attr.
12741 (add<mode>3, sub<mode>3): Use <general_hilo_operand>
12742 instead of <general_operand>.
12743 (*add<dwi>3_doubleword, *sub<dwi>3_doubleword): Use
12744 x86_64_hilo_general_operand instead of <general_operand>.
12746 2016-05-03 Jakub Jelinek <jakub@redhat.com>
12748 PR tree-optimization/70916
12749 * tree-if-conv.c (constant_or_ssa_name): Removed.
12750 (fold_build_cond_expr): Use is_gimple_val instead of
12751 constant_or_ssa_name.
12753 PR tree-optimization/70916
12754 * tree-vect-patterns.c (vect_recog_mask_conversion_pattern): Give up
12755 if COND_EXPR rhs1 is neither SSA_NAME nor COMPARISON_CLASS_P.
12758 * tree-ssa-ccp.c: Include stor-layout.h and optabs-query.h.
12759 (optimize_atomic_bit_test_and): New function.
12760 (pass_fold_builtins::execute): Use it.
12761 * optabs.def (atomic_bit_test_and_set_optab,
12762 atomic_bit_test_and_complement_optab,
12763 atomic_bit_test_and_reset_optab): New optabs.
12764 * internal-fn.def (ATOMIC_BIT_TEST_AND_SET,
12765 ATOMIC_BIT_TEST_AND_COMPLEMENT, ATOMIC_BIT_TEST_AND_RESET): New ifns.
12766 * builtins.h (expand_ifn_atomic_bit_test_and): New prototype.
12767 * builtins.c (expand_ifn_atomic_bit_test_and): New function.
12768 * internal-fn.c (expand_ATOMIC_BIT_TEST_AND_SET,
12769 expand_ATOMIC_BIT_TEST_AND_COMPLEMENT,
12770 expand_ATOMIC_BIT_TEST_AND_RESET): New functions.
12771 * doc/md.texi (atomic_bit_test_and_set@var{mode},
12772 atomic_bit_test_and_complement@var{mode},
12773 atomic_bit_test_and_reset@var{mode}): Document.
12774 * config/i386/sync.md (atomic_bit_test_and_set<mode>,
12775 atomic_bit_test_and_complement<mode>,
12776 atomic_bit_test_and_reset<mode>): New expanders.
12777 (atomic_bit_test_and_set<mode>_1,
12778 atomic_bit_test_and_complement<mode>_1,
12779 atomic_bit_test_and_reset<mode>_1): New insns.
12781 2016-05-03 Richard Sandiford <richard.sandiford@arm.com>
12783 PR rtl-optimization/70687
12784 * combine.c (change_zero_ext): Check for scalar modes. Use wide_int
12785 instead of unsigned HOST_WIDE_INT.
12787 2016-05-03 Bernd Schmidt <bschmidt@redhat.com>
12789 PR rtl-optimization/44281
12790 * hard-reg-set.h (struct target_hard_regs): New field
12791 x_fixed_nonglobal_reg_set.
12792 (fixed_nonglobal_reg_set): New macro.
12793 * reginfo.c (init_reg_sets_1): Initialize it.
12794 * ira.c (setup_alloc_regs): Use fixed_nonglobal_reg_set instead
12796 * df-scan.c (df_insn_refs_collect): Asms may reference global regs.
12798 2016-05-03 Bin Cheng <bin.cheng@arm.com>
12800 PR tree-optimization/56541
12801 * doc/invoke.texi (@item max-tree-if-conversion-phi-args): New item.
12802 * params.def (PARAM_MAX_TREE_IF_CONVERSION_PHI_ARGS): new param.
12803 * tree-if-conv.c (MAX_PHI_ARG_NUM): new macro.
12804 (any_complicated_phi): new static variable.
12805 (aggressive_if_conv): delete.
12806 (if_convertible_phi_p): support phis with more than two arguments.
12807 (if_convertible_bb_p): remvoe check on aggressive_if_conv and
12808 critical pred edges.
12809 (ifcvt_split_critical_edges): support phis with more than two
12810 arguments by checking new parameter. only split critical edges
12812 (tree_if_conversion): handle simd pragma marked loop using new
12813 local variable aggressive_if_conv. check any_complicated_phi.
12815 2016-05-03 Bin Cheng <bin.cheng@arm.com>
12817 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Check depends_on
12820 2016-05-03 Bin Cheng <bin.cheng@arm.com>
12822 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Don't clobber
12825 2016-05-03 Oleg Endo <olegendo@gcc.gnu.org>
12827 * config/sh/sh.md (udivsi3, divsi3, mulsi3): Simplify.
12828 (mulhisi3, umulhisi3, (smulsi3_highpart, umulsi3_highpart): Convert to
12829 define_insn_and_split.
12830 (mulsi3_i): New define_insn_and_split.
12831 (mulsi3_call): Convert to define_insn.
12832 (mulsidi3, mulsidi3_compact, umulsidi3, umulsidi3_compact):
12833 Remove constraints.
12835 2016-05-02 Michael Meissner <meissner@linux.vnet.ibm.com>
12837 * machmode.h (mode_complex): Add support to give the complex mode
12839 (GET_MODE_COMPLEX_MODE): Likewise.
12840 * stor-layout.c (layout_type): For COMPLEX_TYPE, use the mode
12841 stored by build_complex_type and gfc_build_complex_type instead of
12842 trying to figure out the appropriate mode based on the size. Raise
12843 an assertion error, if the type was not set.
12844 * genmodes.c (struct mode_data): Add field for the complex type of
12846 (blank_mode): Likewise.
12847 (make_complex_modes): Remember the complex mode created in the
12849 (emit_mode_complex): Write out the mode_complex array to map a
12850 type mode to the complex version.
12851 (emit_insn_modes_c): Likewise.
12852 * tree.c (build_complex_type): Set the complex type to use before
12853 calling layout_type.
12854 * config/rs6000/rs6000.c (rs6000_hard_regno_nregs_internal): Add
12855 support for __float128 complex datatypes.
12856 (rs6000_hard_regno_mode_ok): Likewise.
12857 (rs6000_setup_reg_addr_masks): Likewise.
12858 (rs6000_complex_function_value): Likewise.
12859 * config/rs6000/rs6000.h (FLOAT128_IEEE_P): Likewise.
12860 __float128 and __ibm128 complex.
12861 (FLOAT128_IBM_P): Likewise.
12862 (ALTIVEC_ARG_MAX_RETURN): Likewise.
12863 * doc/extend.texi (Additional Floating Types): Document that
12864 -mfloat128 must be used to enable __float128. Document complex
12865 __float128 and __ibm128 support.
12867 2016-05-02 Jakub Jelinek <jakub@redhat.com>
12870 * gimple.c (gimple_builtin_call_types_compatible_p): Allow
12871 char/short arguments promoted to int because of promote_prototypes.
12873 2016-05-02 Uros Bizjak <ubizjak@gmail.com>
12875 * config/i386/predicates.md (register_ssemem_operand): New predicate.
12876 * config/i386/i386.md (*cmpi<FPCMP:unord><MODEF:mode>): Merge from
12877 *cmpi<FPCMP:unord><MODEF:mode>_mixed and
12878 *cmpi<FPCMP:unord><X87MODEF:mode>_i387. Disable unsupported
12879 alternatives using "enabled" attribute. Use register_ssemem_operand
12880 as operand 1 predicate.
12881 (*cmpi<unord>xf_i387): Split XFmode pattern from
12882 *cmpi<FPCMP:unord><X87MODEF:mode>_i387.
12883 (*absneg<mode>2): Merge from *absneg<mode>2_mixed and
12884 *absneg<mode>2_i387. Disable unsupported alternatives using
12885 "enabled" attribute.
12886 (*absnegxf2_i387): Split XFmode pattern from *absneg<mode>2_i387.
12888 2016-05-02 Nathan Sidwell <nathan@codesourcery.com>
12890 * omp-low.c (lower_oacc_head_tail): Assert there is at least one
12892 (oacc_loop_process): Check mask for loop termination.
12894 2016-05-02 Jan Hubicka <hubicka@ucw.cz>
12896 * cif-code.def (CIF_THUNK): Add.
12897 * ipa-inline-analsysis.c (evaluate_conditions_for_known_args): Revert
12900 2016-05-02 Jan Hubicka <hubicka@ucw.cz>
12902 * ipa-inline-analysis.c (reset_inline_summary): Clear fp_expressions
12903 (dump_inline_summary): Dump it.
12904 (fp_expression_p): New predicate.
12905 (estimate_function_body_sizes): Use it.
12906 (inline_merge_summary): Merge fp_expressions.
12907 (inline_read_section): Read fp_expressions.
12908 (inline_write_summary): Write fp_expressions.
12909 * ipa-inline.c (can_inline_edge_p): Permit inlining across fp math
12910 codegen boundary if either caller or callee is !fp_expressions.
12911 * ipa-inline.h (inline_summary): Add fp_expressions.
12912 * ipa-inline-transform.c (inline_call): When inlining !fp_expressions
12913 to fp_expressions be sure the fp generation flags are updated.
12915 2016-05-02 Jakub Jelinek <jakub@redhat.com>
12917 PR rtl-optimization/70467
12918 * cse.c (cse_insn): Handle no-op MEM moves after folding.
12920 PR rtl-optimization/70467
12921 * ipa-pure-const.c (check_call): Handle internal calls even in
12922 ipa mode like in local mode.
12924 2016-05-02 Bernd Edlinger <bernd.edlinger@hotmail.de>
12926 * doc/install.texi: Document supported in-tree gmp/mpfr/mpc versions.
12928 2016-05-02 Marc Glisse <marc.glisse@inria.fr>
12930 * match.pd (X u< X, X u> X): New transformations.
12932 2016-05-02 Marc Glisse <marc.glisse@inria.fr>
12934 * flag-types.h (enum warn_strict_overflow_code): Move ...
12935 * coretypes.h: ... here.
12936 * fold-const.h (fold_overflow_warning): Declare.
12937 * fold-const.c (fold_overflow_warning): Make non-static.
12938 (fold_comparison): Move the transformation of X +- C1 CMP C2
12939 into X CMP C2 -+ C1 ...
12940 * match.pd: ... here.
12941 * gimple-fold.c (fold_stmt_1): Protect with
12942 fold_defer_overflow_warnings.
12944 2016-05-02 Nathan Sidwell <nathan@codesourcery.com>
12946 * omp-low.c (struct oacc_loop): Add 'inner' field.
12947 (new_oacc_loop_raw): Initialize it to zero.
12948 (oacc_loop_fixed_partitions): Initialize it.
12949 (oacc_loop_auto_partitions): Partition outermost loop to outermost
12950 available partitioning.
12952 2016-05-02 Claudiu Zissulescu <claziss@synopsys.com>
12954 * config/arc/arc.md (mulsidi3): Change operand 0 predicate to
12956 (umulsidi3): Likewise.
12957 (indirect_jump): Fix jump instruction assembly patterns.
12959 2016-05-02 Thomas Schwinge <thomas@codesourcery.com>
12962 * config/nvptx/nvptx.c (nvptx_libcall_value): Handle NULL cfun.
12963 (nvptx_function_value): Assert non-NULL cfun.
12965 2016-05-02 Eric Botcazou <ebotcazou@adacore.com>
12967 PR rtl-optimization/70886
12968 * sched-deps.c (estimate_dep_weak): Canonicalize cselib values.
12970 * cselib.h (rtx_equal_for_cselib_1): Declare.
12971 (rtx_equal_for_cselib_p: New inline function.
12972 * cselib.c (rtx_equal_for_cselib_p): Delete.
12973 (rtx_equal_for_cselib_1): Make public.
12975 2016-05-02 Uros Bizjak <ubizjak@gmail.com>
12977 * config/i386/predicates.md (nonimm_ssenomem_operand): New predicate.
12978 (register_mixssei387nonimm_operand): Remove predicate.
12979 * config/i386/i386.md (*fop_<mode>_comm): Merge from
12980 *fop_<mode>_comm_mixed and *fop_<mode>_comm_i387. Disable unsupported
12981 alternatives using "enabled" attribute. Also check X87_ENABLE_ARITH
12982 for TARGET_MIX_SSE_I387 alternatives.
12983 (*fop_<mode>_1): Merge from *fop_<mode>_1_mixed and *fop_<mode>_1_i387.
12984 Disable unsupported alternatives using "enabled" attribute. Use
12985 nonimm_ssenomem_operand as operand 1 predicate. Also check
12986 X87_ENABLE_ARITH for TARGET_MIX_SSE_I387 alternatives.
12988 2016-05-02 Richard Sandiford <richard.sandiford@arm.com>
12990 * tree.c (cst_and_fits_in_hwi): Simplify.
12992 2016-05-02 Richard Sandiford <richard.sandiford@arm.com>
12994 * tree.h (wi::to_wide): New function.
12995 * expr.c (expand_expr_real_1): Use wi::to_wide.
12996 * fold-const.c (int_const_binop_1): Likewise.
12997 (extract_muldiv_1): Likewise.
12999 2016-05-02 Richard Sandiford <richard.sandiford@arm.com>
13001 * wide-int.h: Update offset_int and widest_int documentation.
13002 (WI_SIGNED_SHIFT_RESULT): New macro.
13003 (wi::binary_shift): Define signed_shift_result_type for
13004 shifts on offset_int- and widest_int-like types.
13005 (generic_wide_int): Support <<= and >>= if << and >> are supported.
13006 * tree.h (int_bit_position): Use shift operators instead of wi::
13008 * alias.c (adjust_offset_for_component_ref): Likewise.
13009 * expr.c (get_inner_reference): Likewise.
13010 * fold-const.c (fold_comparison): Likewise.
13011 * gimple-fold.c (fold_nonarray_ctor_reference): Likewise.
13012 * gimple-ssa-strength-reduction.c (restructure_reference): Likewise.
13013 * tree-dfa.c (get_ref_base_and_extent): Likewise.
13014 * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Likewise.
13015 (stmt_kills_ref_p): Likewise.
13016 * tree-ssa-ccp.c (bit_value_binop_1): Likewise.
13017 * tree-ssa-math-opts.c (find_bswap_or_nop_load): Likewise.
13018 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
13019 (ao_ref_init_from_vn_reference): Likewise.
13021 2016-05-02 Richard Sandiford <richard.sandiford@arm.com>
13023 * wide-int.h: Update offset_int and widest_int documentation.
13024 (WI_SIGNED_BINARY_PREDICATE_RESULT): New macro.
13025 (wi::binary_traits): Allow ordered comparisons between offset_int and
13026 offset_int, between widest_int and widest_int, and between either
13027 of these types and basic C types.
13028 (operator <, <=, >, >=): Define for the same combinations.
13029 * tree.h (tree_int_cst_lt): Use comparison operators instead
13030 of wi:: comparisons.
13031 (tree_int_cst_le): Likewise.
13032 * gimple-fold.c (fold_array_ctor_reference): Likewise.
13033 (fold_nonarray_ctor_reference): Likewise.
13034 * gimple-ssa-strength-reduction.c (record_increment): Likewise.
13035 * tree-affine.c (aff_comb_cannot_overlap_p): Likewise.
13036 * tree-parloops.c (try_transform_to_exit_first_loop_alt): Likewise.
13037 * tree-sra.c (completely_scalarize): Likewise.
13038 * tree-ssa-alias.c (stmt_kills_ref_p): Likewise.
13039 * tree-ssa-reassoc.c (extract_bit_test_mask): Likewise.
13040 * tree-vrp.c (extract_range_from_binary_expr_1): Likewise.
13041 (check_for_binary_op_overflow): Likewise.
13042 (search_for_addr_array): Likewise.
13043 * ubsan.c (ubsan_expand_objsize_ifn): Likewise.
13045 2016-05-02 Claudiu Zissulescu <claziss@synopsys.com>
13047 * config/arc/arc.c (arc_preferred_simd_mode): Remove enum keyword.
13048 (arc_save_restore): Likewise.
13049 (arc_dwarf_register_span): Likewise.
13050 (arc_output_pic_addr_const): Initialize suffix variable.
13052 2016-05-02 Martin Liska <mliska@suse.cz>
13054 * symbol-summary.h (function_summary::function_summary):
13055 Remove checking assert for all cgraph nodes.
13056 (function_summary::get): Check summary_uid.
13057 (symtab_insertion): Check summary_uid.
13059 2016-05-02 Claudiu Zissulescu <claziss@synopsys.com>
13061 * config/arc/arc-protos.h (compact_memory_operand_p): Declare.
13062 * config/arc/arc.c (arc_output_commutative_cond_exec): Consider
13063 bmaskn instruction.
13064 (arc_dwarf_register_span): Remove enum keyword.
13065 (compact_memory_operand_p): New function.
13066 * config/arc/arc.h (reg_class): Add code density register classes.
13067 (REG_CLASS_NAMES): Likewise.
13068 (REG_CLASS_CONTENTS): Likewise.
13069 * config/arc/arc.md (*movqi_insn): Add code density instructions.
13070 (*movhi_insn, *movsi_insn, *movsf_insn): Likewise.
13071 (*extendhisi2_i, andsi3_i, cmpsi_cc_insn_mixed): Likewise.
13072 (*cmpsi_cc_c_insn, *movsi_ne): Likewise.
13073 * config/arc/constraints.md (C2p, Uts, Cm1, Cm3, Ucd): New
13075 (h, Rcd, Rsd, Rzd): New register constraints.
13076 (T): Use compact_memory_operand_p function.
13077 * config/arc/predicates.md (compact_load_memory_operand): Remove.
13079 2016-05-02 Oleg Endo <olegendo@gcc.gnu.org>
13081 * config/sh/sh.md (*negnegt, *movtt): Remove.
13083 2016-05-02 Marek Polacek <polacek@redhat.com>
13084 Tom de Vries <tom@codesourcery.com>
13086 PR tree-optimization/70700
13087 * tree-ssa-structalias.c (dump_pred_graph): Fix getting varinfo for ids
13088 bigger than FIRST_REF_NODE.
13090 2016-05-02 Oleg Endo <olegendo@gcc.gnu.org>
13093 * config/sh/sh.c (sh_option_override): Remove TARGET_CBRANCHDI4,
13095 (prepare_cbranch_operands): Don't use scratch register. Assume that
13096 function is used when pseudos can be created.
13097 (expand_cbranchdi4): Likewise. Remove unused TARGET_CMPEQDI_T paths.
13098 * config/sh/sh.md (cbranchsi4): Allow only when pseudos can be created.
13099 (cbranchdi4, cbranchdi4_i): Simplify to single cbranchdi4
13100 define_expand. Allow it only when pseudos can be created.
13101 * config/sh/sh.opt (mcbranchdi, mcmpeqdi): Delete.
13103 2016-05-01 Uros Bizjak <ubizjak@gmail.com>
13105 * config/i386/constraints.md (BC): Only allow -1 operands.
13106 * config/i386/sse.md (mov<mode>_internal): Add (v,C) alternative.
13107 Add "enabled" attribute. Update XI mode attribute calculation.
13108 * config/i386/i386.md (*movxi_internal_avx512f): Add (v,C) alternative.
13109 (*movoi_internal_avx): Update XI mode attribute calculation.
13110 (*movti_internal): Ditto.
13112 2016-05-01 Oleg Endo <olegendo@gcc.gnu.org>
13114 * config/sh/sh.md (push, pop, ic_invalidate_line, cstoresi4, cstoredi4,
13115 cstoresf4, cstoredf4, fix_truncsfsi2): Remove constraints.
13117 2016-05-01 Eric Botcazou <ebotcazou@adacore.com>
13119 * config/rs6000/rs6000.c (altivec_expand_lv_builtin): Do not use switch
13120 statement on instruction code. Remove trailing spaces.
13121 (altivec_expand_stv_builtin): Likewise.
13123 2016-05-01 Oleg Endo <olegendo@gcc.gnu.org>
13125 * config/sh/sh.h (TARGET_SH4): Remove and use default implementation.
13126 (TARGET_FPU_DOUBLE): Simplify.
13127 (BASE_ARG_REG, DOUBLE_TYPE_SIZE, OPTIMIZE_MODE_SWITCHING): Replace
13128 'TARGET_SH4 || TARGET_SH2A_DOUBLE' conditions with 'TARGET_FPU_DOUBLE'.
13129 * config/sh/sh.c: Replace 'TARGET_SH4 || TARGET_SH2A_DOUBLE' conditions
13130 with 'TARGET_FPU_DOUBLE'.
13131 * config/sh/sh.md: Likewise.
13133 2016-05-01 Yoshinori Sato <ysato@users.sourceforge.jp>
13135 * config/sh/linux.h (SH_DIV_STRATEGY_DEFAULT,
13136 SH_DIV_STR_FOR_SIZE): Remove.
13137 * config/sh/netbsd-elf.h (SH_DIV_STRATEGY_DEFAULT,
13138 SH_DIV_STR_FOR_SIZE): Remove.
13140 2016-05-01 Oleg Endo <olegendo@gcc.gnu.org>
13142 * config/sh/predicates.md (any_register_operand, zero_extend_operand,
13143 logical_reg_operand): Delete.
13144 (arith_operand, arith_reg_dest, arith_or_int_operand, cmpsi_operand,
13145 arith_reg_or_0_operand, arith_reg_or_0_or_1_operand, logical_operand,
13146 logical_and_operand, movsrc_no_disp_mem_operand): Rewrite using
13147 match_operand and match_test.
13148 (sh_const_vec, sh_1el_vec): Remove redundant checks. Declare local
13149 variables on their first use. Return bool values.
13150 * config/sh/sh.h (LOAD_EXTEND_OP): Update comment.
13151 * config/sh/sh.md (andsi3, iorsi3): Use arith_reg_dest for result and
13152 arith_reg_operand for input operand. Remove empty constraints.
13154 (*xorsi3_compact): Rename to xorsi3.
13155 (zero_extend<mode>si2): Use arith_reg_operand for input operand.
13156 (*zero_extend<mode>si2_disp_mem): Update comment.
13159 2016-04-30 Oleg Endo <olegendo@gcc.gnu.org>
13161 * config/sh/t-sh: Remove SH5 support.
13162 * config.gcc: Likewise.
13163 * configure: Likewise.
13165 2016-04-30 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
13167 * config/darwin.h (LINK_COMMAND_SPEC_A): Handle -fcilkplus.
13169 2016-04-30 Oleg Endo <olegendo@gcc.gnu.org>
13171 * config/sh/sh.c (register_sh_passes, sh_option_override,
13172 sh_print_operand, prepare_move_operands,
13173 sh_can_follow_jump): Remove TARGET_SH1 checks.
13174 * config/sh/sh.h (TARGET_VARARGS_PRETEND_ARGS, VALID_REGISTER_P,
13175 PROMOTE_MODE): Likewise.
13176 * config/sh/sh.md (adddi3, addsi3, subdi3, subsi3, andsi3,
13179 2016-04-30 Alan Modra <amodra@gmail.com>
13181 * config/rs6000/rs6000.c (rs6000_savres_strategy): Force inline
13182 restoring when fixed_reg_p, but allow out-of-line or stmw save.
13183 Check for user regs later to avoid unnecessary looping over regs.
13184 Merge user reg check with non-saved reg check. Don't force
13185 inline VR restore when static chain used.
13186 (rs6000_frame_related): Omit eh_frame info for user regs when
13188 (fixed_regs_p): Delete.
13190 2016-04-30 Alan Modra <amodra@gmail.com>
13192 * config/rs6000/rs6000.c (SAVRES_MULTIPLE): Replace with..
13193 (SAVE_STRATEGY, REST_STRATEGY): ..this. Renumber and sort enum.
13196 2016-04-30 Alan Modra <amodra@gmail.com>
13199 * config/rs6000/rs6000.c (fixed_reg_p): New function.
13200 (fixed_regs_p): Rename from global_regs_p. Call fixed_reg_p.
13203 2016-04-30 Alan Modra <amodra@gmail.com>
13205 * config/rs6000/rs6000.c (rs6000_conditional_register_usage):
13206 Remove redundant PIC_OFFSET_TABLE_REGNUM test. Replace with
13207 flag_pic test for Darwin.
13209 2016-04-30 Alan Modra <amodra@gmail.com>
13211 * regs.h (struct reg_info_t): Delete freq_calls_crossed and
13212 throw_calls_crossed.
13213 (REG_FREQ_CALLS_CROSSED): Delete.
13214 (REG_N_THROWING_CALLS_CROSSED): Delete.
13215 * regstat.c (regstat_bb_compute_ri): Don't calculate
13216 REG_FREQ_CALLS_CROSSED and REG_N_THROWING_CALLS_CROSSED.
13217 (dump_reg_info): Don't print call cross frequency.
13218 * ira.c (combine_and_move_insns): Don't set REG_FREQ_CALLS_CROSSED
13219 and REG_N_THROWING_CALLS_CROSSED.
13221 2016-04-30 Alan Modra <amodra@gmail.com>
13223 * regs.h (struct reg_info_t): Delete live_length.
13224 (REG_LIVE_LENGTH): Delete macro.
13225 * regstat.c (regstat_bb_compute_ri): Delete artificial_uses,
13226 local_live, local_processed and local_live_last_luid params.
13227 Replace bb_index param with bb. Don't set REG_LIVE_LENGTH.
13229 (regstat_compute_ri): Adjust for above. Don't set
13231 (dump_reg_info): Don't print live length.
13232 * ira.c (update_equiv_regs): Replace test of REG_LIVE_LENGTH
13233 with test of setjmp_crosses. Don't set REG_LIVE_LENGTH.
13234 Localize loop_depth var.
13236 2016-04-30 Alan Modra <amodra@gmail.com>
13238 * ira.c (enum valid_equiv): New.
13239 (validate_equiv_mem): Return enum.
13240 (update_equiv_mem): Create replacement in more cases.
13241 (add_store_equivs): Update validate_equiv_mem call.
13243 2016-04-30 Alan Modra <amodra@gmail.com>
13245 * ira.c (combine_and_move_insns): Rather than scanning insns,
13246 use DF infrastucture to find use and def insns.
13248 2016-04-30 Alan Modra <amodra@gmail.com>
13250 ira.c (combine_and_move_insns): Move invariant conditions..
13251 (ira.c): ..to here. Call combine_and_move_insns before
13252 add_store_equivs. Call grow_reg_equivs later. Allocate
13253 req_equiv later using max_reg_num() rather than global max_regno.
13254 (contains_replace_regs): Delete.
13255 (add_store_equivs): Remove contains_replace_regs test.
13257 2016-04-30 Alan Modra <amodra@gmail.com>
13259 * ira.c (struct equiv_mem_data): New.
13260 (equiv_mem, equiv_mem_modified): Delete static vars.
13261 (validate_equiv_mem_from_store): Use "data" param to communicate..
13262 (validate_equiv_mem): ..from here.
13264 2016-04-30 Alan Modra <amodra@gmail.com>
13266 * ira.c (add_store_equivs, combine_and_move_insns): New functions,
13268 (update_reg_equivs): ..here. Move allocation and freeing of
13269 reg_equiv, and calls to grow_reg_equivs, init_alias_analysis,
13270 end_alias_analysis to..
13273 2016-04-30 Alan Modra <amodra@gmail.com>
13275 * ira.c (pdx_subregs): Delete.
13276 (struct equivalence): Add pdx_subregs field.
13277 (set_paradoxical_subreg): Remove pdx_subregs param. Update
13278 pdx_subregs access.
13279 (update_equiv_regs): Don't create or free pdx_subregs. Update
13280 pdx_subregs access.
13282 2016-04-29 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
13284 * config/rs6000/altivec.h: Change definitions of vec_xl and
13286 * config/rs6000/rs6000-builtin.def (LD_ELEMREV_V2DF): New.
13287 (LD_ELEMREV_V2DI): New.
13288 (LD_ELEMREV_V4SF): New.
13289 (LD_ELEMREV_V4SI): New.
13290 (LD_ELEMREV_V8HI): New.
13291 (LD_ELEMREV_V16QI): New.
13292 (ST_ELEMREV_V2DF): New.
13293 (ST_ELEMREV_V2DI): New.
13294 (ST_ELEMREV_V4SF): New.
13295 (ST_ELEMREV_V4SI): New.
13296 (ST_ELEMREV_V8HI): New.
13297 (ST_ELEMREV_V16QI): New.
13300 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
13301 descriptions for VSX_BUILTIN_VEC_XL and VSX_BUILTIN_VEC_XST.
13302 * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Map from
13303 TARGET_P9_VECTOR to RS6000_BTM_P9_VECTOR.
13304 (altivec_expand_builtin): Add handling for
13305 VSX_BUILTIN_ST_ELEMREV_<MODE> and VSX_BUILTIN_LD_ELEMREV_<MODE>.
13306 (rs6000_invalid_builtin): Add error-checking for
13307 RS6000_BTM_P9_VECTOR.
13308 (altivec_init_builtins): Define builtins used to implement vec_xl
13310 (rs6000_builtin_mask_names): Define power9-vector.
13311 * config/rs6000/rs6000.h (MASK_P9_VECTOR): Define.
13312 (RS6000_BTM_P9_VECTOR): Define.
13313 (RS6000_BTM_COMMON): Include RS6000_BTM_P9_VECTOR.
13314 * config/rs6000/vsx.md (vsx_ld_elemrev_v2di): New define_insn.
13315 (vsx_ld_elemrev_v2df): Likewise.
13316 (vsx_ld_elemrev_v4sf): Likewise.
13317 (vsx_ld_elemrev_v4si): Likewise.
13318 (vsx_ld_elemrev_v8hi): Likewise.
13319 (vsx_ld_elemrev_v16qi): Likewise.
13320 (vsx_st_elemrev_v2df): Likewise.
13321 (vsx_st_elemrev_v2di): Likewise.
13322 (vsx_st_elemrev_v4sf): Likewise.
13323 (vsx_st_elemrev_v4si): Likewise.
13324 (vsx_st_elemrev_v8hi): Likewise.
13325 (vsx_st_elemrev_v16qi): Likewise.
13326 * doc/extend.texi: Add prototypes for vec_xl and vec_xst. Correct
13329 2016-04-29 Patrick Palka <ppalka@gcc.gnu.org>
13331 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Split
13333 (simplify_control_stmt_condition_1): ... here. Recurse into
13334 BIT_AND_EXPRs and BIT_IOR_EXPRs.
13336 2016-04-29 David Edelsohn <dje.gcc@gmail.com>
13339 * config/rs6000/rs6000.md (EXTQI): Don't allow extension to HImode.
13340 (zero_extendqi<mode>2_dot): Revert earlier conversion from
13341 define_insn_and_split to define_insn.
13342 (zero_extendqi<mode>2_dot2): Same.
13343 (extendqi<mode>2_dot): Same.
13344 (extendqi<mode>2_dot2): Same.
13346 2016-04-29 Uros Bizjak <ubizjak@gmail.com>
13348 * config/i386/i386.md (unspec): Add UNSPEC_PROBE_STACK.
13349 (probe_stack): New expander.
13350 (probe_stack_<mode>): New insn pattern.
13352 2016-04-29 Uros Bizjak <ubizjak@gmail.com>
13354 * config/i386/i386.md
13355 (operations with memory inputs setting flags peephole2):
13356 Remove uneeded REG_P checks. Cleanup pattern generation.
13358 2016-04-29 Ilya Enkovich <ilya.enkovich@intel.com>
13360 * tree-vect-loop.c (vect_transform_loop): Fix
13361 nb_iterations_upper_bound computation for vectorized loop.
13363 2016-04-29 Marek Polacek <polacek@redhat.com>
13364 Jakub Jelinek <jakub@redhat.com>
13367 * fold-const.c (tree_single_nonzero_warnv_p): For TARGET_EXPR, use
13368 TARGET_EXPR_SLOT as a base.
13370 2016-04-29 Andrew Burgess <andrew.burgess@embecosm.com>
13372 * config/arc/arc.md (*loadqi_update): Replace use of 'rI' constraint
13373 with 'rCm2' constraints to limit possible immediate size.
13374 (*load_zeroextendqisi_update): Likewise.
13375 (*load_signextendqisi_update): Likewise.
13376 (*loadhi_update): Likewise.
13377 (*load_zeroextendhisi_update): Likewise.
13378 (*load_signextendhisi_update): Likewise.
13379 (*loadsi_update): Likewise.
13380 (*loadsf_update): Likewise.
13382 2016-04-29 Uros Bizjak <ubizjak@gmail.com>
13384 * config/i386/predicates.md (constm1_operand): Fix comparison.
13386 2016-04-29 Claudiu Zissulescu <claziss@synopsys.com>
13388 * testsuite/gcc.target/arc/ieee_eq.c: New test.
13390 2016-04-29 Oleg Endo <olegendo@gcc.gnu.org>
13392 * common/config/sh/sh-common.c (sh_option_optimization_table): Remove
13393 remaining SH5 related settings.
13394 * config/sh/sh-protos.h (shmedia_cleanup_truncate,
13395 shmedia_prepare_call_address): Delete.
13396 * config/sh/sh.c (sh_print_operand, output_stack_adjust,
13397 DWARF_CIE_DATA_ALIGNMENT, LOCAL_ALIGNMENT): Update comments.
13398 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC,
13399 UNSUPPORTED_SH2A): Remove m5 checks.
13400 (sh_divide_strategy_e): Remove SH5 division strategies.
13401 (TARGET_PTRMEMFUNC_VBIT_LOCATION): Remove and use default.
13402 * config/sh/sh.md (divsf3): Reinstate define_expand pattern.
13404 2016-04-29 Dominik Vogt <vogt@linux.vnet.ibm.com>
13406 * config/s390/s390.c (s390_rtx_costs): Update documentation.
13408 2016-04-29 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
13410 * config/s390/2964.md ("z13_unit_fxu", "z13_0"): Remove lder.
13411 * config/s390/s390.md ("movsi_larl", "*movsi_esa", "mov<mode>"):
13412 Change lder to ldr.
13413 * config/s390/vector.md ("mov<mode>"): Likewise.
13415 2016-04-29 Ulrich Weigand <uweigand@de.ibm.com>
13417 * config/s390/constraints.md ("U", "W"): Invoke
13418 s390_mem_constraint with "ZR" and "ZT".
13419 * config/s390/s390.c (s390_check_qrst_address): Reject invalid
13420 addresses when using LRA. Accept also short displacements for S
13421 and T constraints. Do not check for long displacement target for
13422 S and T constraints.
13423 (s390_mem_constraint): Remove handling of U and W constraints.
13424 * config/s390/s390.md (various patterns): Remove the short
13425 displacement constraints (Q and R) if a long displacement
13426 constraint is present. Add longdisp as required CPU capability.
13427 * config/s390/vector.md: Likewise.
13428 * config/s390/vx-builtins.md: Likewise.
13430 2016-04-29 Senthil Kumar Selvaraj <senthil_kumar.selvaraj@atmel.com>
13433 * reload1.c (reload): Call finish_spills before
13434 restarting reload loop. Skip select_reload_regs
13435 if update_eliminables_and_spill returns true.
13437 2016-04-29 Claudiu Zissulescu <claziss@synopsys.com>
13439 * config/arc/arc.h (UNSIGNED_INT12, UNSIGNED_INT16): Define.
13440 * config/arc/arc.md (umulhisi3): Use arc_short_operand predicate.
13441 (umulhisi3_imm): Update predicates and constraint letters.
13442 (umulhisi3_reg): Declare instruction as commutative.
13443 * config/arc/constraints.md (J12, J16): New constraints.
13444 * config/arc/predicates.md (short_unsigned_const_operand): New
13446 (arc_short_operand): Likewise.
13447 * testsuite/gcc.target/arc/umulsihi3_z.c: New file.
13449 2016-04-29 Richard Biener <rguenther@suse.de>
13451 PR tree-optimization/13962
13452 PR tree-optimization/65686
13453 * tree-ssa-alias.h (ptrs_compare_unequal): Declare.
13454 * tree-ssa-alias.c (ptrs_compare_unequal): New function
13455 using PTA to compare pointers.
13456 * match.pd: Add pattern for pointer equality compare simplification
13457 using ptrs_compare_unequal.
13459 2016-04-29 Richard Biener <rguenther@suse.de>
13461 * stor-layout.c (layout_type): Do not build a pointer-to-element
13464 2016-04-29 Uros Bizjak <ubizjak@gmail.com>
13466 * config/i386/i386.md (Load+RegOp to Mov+MemOp peephole2):
13467 Use SWI mode iterator. Use general_reg_operand predicate.
13468 (Load+RegOp to Mov+MemOp peephole2 with vector regs): Split
13469 peephole to MMX and SSE part. Use mmx_reg_operand and sse_reg_operand
13472 2016-04-29 Jakub Jelinek <jakub@redhat.com>
13474 PR middle-end/70843
13475 * fold-const.c (operand_equal_p): Don't verify hash value equality
13477 * tree.c (inchash::add_expr): Handle STATEMENT_LIST. Ignore BLOCK
13480 2016-04-28 Jakub Jelinek <jakub@redhat.com>
13483 * config/i386/i386.c (bdesc_special_args): Add | OPTION_MASK_ISA_64BIT
13484 to __builtin_ia32_lwpval64 and __builtin_ia32_lwpins64.
13485 (bdesc_args): Add | OPTION_MASK_ISA_64BIT to __builtin_ia32_bextr_u64,
13486 __builtin_ia32_bextri_u64, __builtin_ia32_bzhi_di,
13487 __builtin_ia32_pdep_di and __builtin_ia32_pext_di.
13489 2016-04-28 Segher Boessenkool <segher@kernel.crashing.org>
13491 * config/rs6000/rs6000.c (compute_save_world_info): Rename info_ptr
13492 to info. Don't initialize separate fields to 0. Clean up
13495 2016-04-28 Uros Bizjak <ubizjak@gmail.com>
13497 * config/i386/i386.md (peephole2s for operations with memory inputs):
13498 Use SWI mode iterator.
13499 (peephole2s for operations with memory outputs): Ditto.
13500 Do not check for stack checking probe.
13502 (probe_stack): Remove expander.
13504 2016-04-28 Joern Rennecke <joern.rennecke@embecosm.com>
13505 Andrew Burgess <andrew.burgess@embecosm.com>
13507 * config/arc/arc.c (arc_print_operand): Print integer 'H' / 'L'
13508 operands as 32-bits.
13510 2016-04-28 Jason Merrill <jason@redhat.com>
13512 * gdbinit.in: Skip line-map.h.
13514 2016-04-28 Joern Rennecke <joern.rennecke@embecosm.com>
13515 Andrew Burgess <andrew.burgess@embecosm.com>
13517 * config/arc/arc.c (arc_conditional_register_usage): Take
13518 TARGET_RRQ_CLASS into account.
13519 (arc_print_operand): Support printing 'p' and 's' operands.
13520 * config/arc/arc.h (TARGET_NPS_BITOPS_DEFAULT): Provide default
13522 (TARGET_RRQ_CLASS): Define.
13523 (IS_POWEROF2_OR_0_P): Define.
13524 * config/arc/arc.md (*movsi_insn): Add w/Clo, w/Chi, and w/Cbi
13526 (*tst_movb): New define_insn.
13527 (*tst): Avoid recognition if it could prevent '*tst_movb'
13528 combination; replace c/CnL with c/Chs alternative.
13529 (*tst_bitfield_tst): New define_insn.
13530 (*tst_bitfield_asr): New define_insn.
13531 (*tst_bitfield): New define_insn.
13532 (andsi3_i): Add Rrq variant.
13533 (extzv): New define_expand.
13534 (insv): New define_expand.
13535 (*insv_i): New define_insn.
13536 (*movb): New define_insn.
13537 (*movb_signed): New define_insn.
13538 (*movb_high): New define_insn.
13539 (*movb_high_signed): New define_insn.
13540 (*movb_high_signed + 1): New define_split pattern.
13541 (*mrgb): New define_insn.
13542 (*mrgb + 1): New define_peephole2 pattern.
13543 (*mrgb + 2): New define_peephole2 pattern.
13544 * config/arc/arc.opt (mbitops): New option for nps400, uses
13545 TARGET_NPS_BITOPS_DEFAULT.
13546 * config/arc/constraints.md (q): Make register class conditional.
13547 (Rrq): New register constraint.
13548 (Chs): New constraint.
13549 (Clo): New constraint.
13550 (Chi): New constraint.
13551 (Cbf): New constraint.
13552 (Cbn): New constraint.
13553 (C18): New constraint.
13554 (Cbi): New constraint.
13556 2016-04-28 Segher Boessenkool <segher@kernel.crashing.org>
13558 * cfganal.c (bitmap_intersection_of_succs): Delete assert checking
13560 (bitmap_intersection_of_preds): Ditto.
13561 (bitmap_union_of_succs): Ditto.
13562 (bitmap_union_of_preds): Ditto.
13563 * sbitmap.c (do_popcount): Delete.
13564 (BITMAP_DEBUGGING): Delete.
13565 (sbitmap_verify_popcount): Delete.
13566 (sbitmap_alloc): Don't initialize the popcount field.
13567 (sbitmap_alloc_with_popcount): Delete.
13568 (sbitmap_resize): Don't resize the popcount array.
13569 (sbitmap_vector_alloc): Don't initialize the popcount field.
13570 (bitmap_copy): Don't copy the popcount array.
13571 (bitmap_clear): Don't clear the popcount array.
13572 (bitmap_clear): Delete the popcount array handling.
13573 (bitmap_ior_and_compl): Delete the popcount assert.
13574 (bitmap_not): Ditto.
13575 (bitmap_and_compl): Ditto.
13576 (bitmap_and): Delete the popcount array handling.
13577 (bitmap_xor): Ditto.
13578 (bitmap_ior): Ditto.
13579 (bitmap_or_and): Delete the popcount assert.
13580 (bitmap_and_or): Ditto.
13581 (popcount_table): Delete.
13582 (sbitmap_elt_popcount): Delete.
13583 * sbitmap.h (simple_bitmap_def): Delete the popcount field.
13584 (bitmap_set_bit): Delete the popcount assert.
13585 (bitmap_clear_bit): Ditto.
13586 (sbitmap_free): Don't free the popcount array.
13587 (sbitmap_alloc_with_popcount): Delete declaration.
13588 (sbitmap_popcount): Ditto.
13590 2016-04-28 Joern Rennecke <joern.rennecke@embecosm.com>
13591 Andrew Burgess <andrew.burgess@embecosm.com>
13593 * config/arc/arc.h (SYMBOL_FLAG_CMEM): Define.
13594 (TARGET_NPS_CMEM_DEFAULT): Provide default definition.
13595 * config/arc/arc.c (arc_address_cost): Return 0 for cmem_address.
13596 (arc_encode_section_info): Set SYMBOL_FLAG_CMEM where indicated.
13597 * config/arc/arc.opt (mcmem): New option.
13598 * config/arc/arc.md (*extendqihi2_i): Add r/Uex alternative,
13599 supply length for r/m alternative.
13600 (*extendqisi2_ac): Likewise.
13601 (*extendhisi2_i): Add r/Uex alternative, supply length for r/m and
13603 (movqi_insn): Add r/Ucm and Ucm/?Rac alternatives.
13604 (movhi_insn): Likewise.
13605 (movsi_insn): Add r/Ucm,Ucm/w alternatives.
13606 (*zero_extendqihi2_i): Add r/Ucm alternative.
13607 (*zero_extendqisi2_ac): Likewise.
13608 (*zero_extendhisi2_i): Likewise.
13609 * config/arc/constraints.md (Uex): New memory constraint.
13610 (Ucm): New define_constraint.
13611 * config/arc/predicates.md (long_immediate_loadstore_operand):
13612 Return 0 for MEM with cmem_address address.
13613 (cmem_address_0): New predicates.
13614 (cmem_address_1): Likewise.
13615 (cmem_address_2): Likewise.
13616 (cmem_address): Likewise.
13618 2016-04-28 Segher Boessenkool <segher@kernel.crashing.org>
13620 * config/rs6000/rs6000.c (machine_function): Rename
13621 insn_chain_scanned_p to spe_insn_chain_scanned_p.
13622 (rs6000_stack_info): Adjust.
13624 2016-04-28 Joern Rennecke <joern.rennecke@embecosm.com>
13625 Andrew Burgess <andrew.burgess@embecosm.com>
13627 * config/arc/constraints.md (Usd): Convert to define_constraint.
13631 2016-04-28 Jakub Jelinek <jakub@redhat.com>
13634 * config/i386/sync.md (define_peephole2 *atomic_fetch_add_cmp<mode>):
13635 Add new peephole2 where the first insn is *mov<mode>_or instead of
13636 *mov<mode>_internal.
13638 2016-04-28 Segher Boesssenkool <segher@kernel.crashing.org>
13640 * tracer.c (bb_seen): Make static.
13642 2016-04-28 Andrew Burgess <andrew.burgess@embecosm.com>
13644 * common/config/arc/arc-common.c (arc_handle_option): Add NPS400
13645 support, setup defaults.
13646 * config/arc/arc-opts.h (enum processor_type): Add NPS400.
13647 * config/arc/arc.c (arc_init): Add NPS400 support.
13648 * config/arc/arc.h (CPP_SPEC): Add NPS400 defines.
13649 (TARGET_ARC700): NPS400 is also an ARC700.
13650 * config/arc/arc.opt: Add NPS400 options to -mcpu=.
13652 2016-04-28 Segher Boessenkool <segher@kernel.crashing.org>
13655 * config/nds32/nds32.md (casesi): Don't access the operands array
13658 2016-04-28 Uros Bizjak <ubizjak@gmail.com>
13660 * config/i386/i386.md (zeroing peephole2): Use general_reg_operand.
13661 (or $-1,reg peephole2): Ditto.
13662 (strict_low_part zeroing peephole2): Use SWI12 mode iterator.
13664 2016-04-28 Markus Trippelsdorf <markus@trippelsdorf.de>
13666 * doc/extend.texi (Common Function Attributes) [optimize]:
13667 Discourage use of the optimize attribute.
13669 2016-04-28 Bill Seurer <seurer@linux.vnet.ibm.com>
13671 * config/rs6000/rs6000-builtin.def (vec_adde): Change vec_adde to a
13672 special case builtin.
13673 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Remove
13674 ALTIVEC_BUILTIN_VEC_ADDE.
13675 * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Add
13676 support for ALTIVEC_BUILTIN_VEC_ADDE.
13677 * config/rs6000/rs6000.c (altivec_init_builtins): Add definition
13678 for __builtin_vec_adde.
13680 2016-04-28 Jakub Jelinek <jakub@redhat.com>
13682 * config/i386/i386.md (sse4_1_round<mode>2): Add avx512f alternative.
13683 * config/i386/sse.md (sse4_1_round<ssescalarmodesuffix>): Likewise.
13685 2016-04-28 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
13688 * doc/sourcebuild.texi (Effective-Target Keywords, Other
13689 attributes): Document cilkplus_runtime.
13691 2016-04-28 Martin Jambor <mjambor@suse.cz>
13693 * tree-cfg.c (verify_expr): Verify that local declarations belong to
13694 this function. Call verify_expr on MEM_REFs and bases of other
13695 handled_components.
13697 2016-04-28 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
13699 * internal-fn.c (expand_arith_overflow): Convert preprocessor check
13700 for WORD_REGISTER_OPERATIONS to runtime check.
13702 2016-04-28 Claudiu Zissulescu <claziss@synopsys.com>
13704 * config/arc/arc.h (ASM_SPEC): Pass mfpuda to assembler.
13706 2016-04-28 Claudiu Zissulescu <claziss@synopsys.com>
13708 * config/arc/arc.c (arc_process_double_reg_moves): Fix for
13709 big-endian compilation.
13710 * config/arc/arc.md (addf3): Likewise.
13711 (subdf3): Likewise.
13712 (muldf3): Likewise.
13714 2016-04-28 Richard Biener <rguenther@suse.de>
13716 PR tree-optimization/70840
13717 * match.pd: powi(-x, y) and powi(|x|,y) -> powi(x,y) if y is even;
13718 Fix pow(copysign(x, y), z) -> pow(x, z) and add powi variant;
13719 Mark x * pow(x,c) -> pow(x,c+1) commutative.
13720 Add powi(x,y) * powi(z,y) -> powi(x*z,y).
13722 2015-04-28 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
13724 * config/aarch64/aarch64.h (WORD_REGISTER_OPERATIONS): Define to 0
13725 and explain why in a comment.
13727 2016-04-28 Claudiu Zissulescu <claziss@synopsys.com>
13729 * config/arc/arc.md (cpu_facility): Add fpx variant.
13730 (subdf3): Prohibit use reverse sub when assist operations option
13732 * config/arc/fpx.md (subdf3_insn, *dsubh_peep2_insn): Allow drsub
13733 instructions only when FPX is enabled.
13734 * testsuite/gcc.target/arc/trsub.c: New test.
13736 2016-04-28 Uros Bizjak <ubizjak@gmail.com>
13738 * config/i386/i386.md (*fop_<mode>_1_mixed): Do not check for
13739 mult_operator when calculating "type" attribute.
13740 (*fop_<mode>_1_i387): Ditto.
13741 (*fop_xf_1_i387): Ditto.
13742 (x87 stack loads peephole2): Add "reg = op (mem, reg)" peephole2.
13743 Use std::swap to swap operands. Use RTL expressions to generate
13746 2016-04-28 Claudiu Zissulescu <claziss@synopsys.com>
13747 Joern Rennecke <joern.rennecke@embecosm.com>
13749 * config/arc/arc-protos.h (arc_legitimize_pic_address): Remove
13751 (emit_pic_move): Remove.
13752 (arc_eh_uses, insn_is_tls_gd_dispatch): Declare.
13753 * config/arc/arc.c (emit_pic_move): Removed.
13754 (TARGET_HAVE_TLS): Define.
13755 (arc_conditional_register_usage): Test for arc_tp_regno.
13756 (arc_print_operand, arc_print_operand_address): Handle TLS
13758 (arc_needs_pcl_p): New function.
13759 (arc_legitimate_pc_offset_p): Use arc_needs_pcl_p.
13760 (arc_legitimate_pic_addr_p): Handle TLS unspecs.
13761 (arc_raw_symbolic_reference_mentioned_p): Likewise.
13762 (arc_get_tp, arc_emit_call_tls_get_addr): New function.
13763 (arc_legitimize_tls_address): Likewise.
13764 (DTPOFF_ZERO_SYM): Define.
13765 (arc_legitimize_pic_address): Make it static, handle TLS cases.
13766 (arc_output_pic_addr_const): Print TLS unspecs.
13767 (prepare_pic_move): New function, replaces emit_pic_move.
13768 (arc_legitimate_constant_p): Handle TLS unspecs.
13769 (arc_legitimate_address_p): Likewise.
13770 (arc_rewrite_small_data_p): Use assert for TLS constants.
13771 (prepare_move_operands): Use prepare_pic_move.
13772 (arc_legitimize_address): Legitimize tls addresses.
13773 (arc_epilogue_uses): Check for arc_tp_regno.
13774 (arc_eh_uses, insn_is_tls_gd_dispatch): New function.
13775 * config/arc/arc.h [DEFAULT_LIBC != LIBC_UCLIBC] (EXTRA_SPECS):
13777 [DEFAULT_LIBC != LIBC_UCLIBC] (ARC_TLS_EXTRA_START_SPEC):
13779 [DEFAULT_LIBC != LIBC_UCLIBC] (STARTFILE_SPEC): Add
13780 %(arc_tls_extra_start_spec).
13781 (TARGET_CPU_CPP_BUILTINS): Define __ARC_TLS_REGNO__.
13782 (REGNO_OK_FOR_BASE_P): Check for arc_tp_regno.
13784 (INSN_REFERENCES_ARE_DELAYED): Use insn_is_tls_gd_dispatch.
13785 * config/arc/arc.md (UNSPEC_TLS_GD, UNSPEC_TLS_LD, UNSPEC_TLS_IE)
13786 (UNSPEC_TLS_OFF): Add.
13788 (tls_load_tp_soft, tls_gd_load, tls_gd_get_addr, tls_gd_dispatch)
13789 (get_thread_pointersi): New patterns.
13790 * config/arc/arc.opt (mtp-regno): New option.
13791 * config/arc/predicates.md (move_src_operand): Handle TLS symbols.
13792 (move_dest_operand): Likewise.
13793 * configure: Regenerate.
13794 * configure.ac: Add arc*-*-* case to test for tls.
13795 * doc/invoke.texi (ARC options): Document mtp-regno.
13797 2016-04-28 Claudiu Zissulescu <claziss@synopsys.com>
13799 * config/arc/arc.c (arc_vector_mode_supported_p): Add support for
13800 the new ARC HS SIMD instructions.
13801 (arc_preferred_simd_mode): New function.
13802 (arc_autovectorize_vector_sizes): Likewise.
13803 (TARGET_VECTORIZE_PREFERRED_SIMD_MODE)
13804 (TARGET_VECTORIZE_AUTOVECTORIZE_VECTOR_SIZES): Define.
13805 (arc_init_reg_tables): Accept new ARC HS SIMD modes.
13806 (arc_init_builtins): Add new SIMD builtin types.
13807 (arc_split_move): Handle 64 bit vector moves.
13808 * config/arc/arc.h (TARGET_PLUS_DMPY, TARGET_PLUS_MACD)
13809 (TARGET_PLUS_QMACW): Define.
13810 * config/arc/builtins.def (QMACH, QMACHU, QMPYH, QMPYHU, DMACH)
13811 (DMACHU, DMPYH, DMPYHU, DMACWH, DMACWHU, VMAC2H, VMAC2HU, VMPY2H)
13812 (VMPY2HU, VADDSUB2H, VSUBADD2H, VADDSUB, VSUBADD, VADDSUB4H)
13813 (VSUBADD4H): New builtins.
13814 * config/arc/simdext.md: Add new ARC HS SIMD instructions.
13815 * testsuite/gcc.target/arc/builtin_simdarc.c: New file.
13817 2016-04-28 Eduard Sanou <dhole@openmailbox.org>
13818 Matthias Klose <doko@debian.org>
13820 * doc/cppenv.texi: Document SOURCE_DATE_EPOCH environment variable.
13822 2016-04-28 Richard Biener <rguenther@suse.de>
13824 PR middle-end/70777
13825 * fold-const.c (fold_binary_loc): Remove x*x to pow(x,2.0)
13828 2016-04-28 Oleg Endo <olegendo@gcc.gnu.org>
13830 * common/config/sh/sh-common.c: Remove SH5 support.
13831 * config/sh/constraints.md: Likewise.
13832 * config/sh/config/sh/elf.h: Likewise.
13833 * config/sh/linux.h: Likewise.
13834 * config/sh/netbsd-elf.h: Likewise.
13835 * config/sh/predicates.md: Likewise.
13836 * config/sh/sh-c.c: Likewise.
13837 * config/sh/sh-protos.h: Likewise.
13838 * config/sh/sh.c: Likewise.
13839 * config/sh/sh.h: Likewise.
13840 * config/sh/sh.md: Likewise.
13841 * config/sh/sh.opt: Likewise.
13842 * config/sh/sync.md: Likewise.
13843 * config/sh/sh64.h: Delete.
13844 * config/sh/shmedia.h: Likewise.
13845 * config/sh/shmedia.md: Likewise.
13846 * config/sh/sshmedia.h: Likewise.
13847 * config/sh/t-netbsd-sh5-64: Likewise.
13848 * config/sh/t-sh64: Likewise.
13849 * config/sh/ushmedia.h: Likewise.
13851 2016-04-28 Uros Bizjak <ubizjak@gmail.com>
13853 * config/i386/i386.md (sign_extend to memory peephole2s): Use
13854 general_reg_operand instead of register_operand predicate.
13856 2016-04-27 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
13858 * params.def (MIN_PARTITION_SIZE): Set default value to 10000.
13860 2016-04-27 Marc Glisse <marc.glisse@inria.fr>
13862 * match.pd (A - B > A, A + B < A): New transformations.
13864 2016-04-27 Patrick Palka <ppalka@gcc.gnu.org>
13866 * genattrtab.c (write_test_expr): New parameter EMIT_PARENS
13867 which defaults to true. Emit an outer pair of parentheses only if
13868 EMIT_PARENS. When continuing a chain of && or || (or & or |),
13869 don't emit parentheses for the right-hand operand.
13871 2016-04-27 Jeff Law <law@redhat.com>
13873 * tree-ssa-dom.c (record_temporary_equivalences): Fix typo in comment.
13875 2016-04-27 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
13877 * config/rs6000/altivec.md (altivec_lvx_<mode>): Remove.
13878 (altivec_lvx_<mode>_internal): Document.
13879 (altivec_lvx_<mode>_2op): New define_insn.
13880 (altivec_lvx_<mode>_1op): Likewise.
13881 (altivec_lvx_<mode>_2op_si): Likewise.
13882 (altivec_lvx_<mode>_1op_si): Likewise.
13883 (altivec_stvx_<mode>): Remove.
13884 (altivec_stvx_<mode>_internal): Document.
13885 (altivec_stvx_<mode>_2op): New define_insn.
13886 (altivec_stvx_<mode>_1op): Likewise.
13887 (altivec_stvx_<mode>_2op_si): Likewise.
13888 (altivec_stvx_<mode>_1op_si): Likewise.
13889 * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
13890 Expand vec_ld and vec_st during parsing.
13891 * config/rs6000/rs6000.c (altivec_expand_lvx_be): Commentary
13893 (altivec_expand_stvx_be): Likewise.
13894 (altivec_expand_lv_builtin): Expand lvx built-ins to expose the
13895 address-masking behavior in RTL.
13896 (altivec_expand_stv_builtin): Expand stvx built-ins to expose the
13897 address-masking behavior in RTL.
13898 (altivec_expand_builtin): Change builtin code arguments for calls
13899 to altivec_expand_stv_builtin and altivec_expand_lv_builtin.
13900 (insn_is_swappable_p): Avoid incorrect swap optimization in the
13901 presence of lvx/stvx patterns.
13902 (alignment_with_canonical_addr): New function.
13903 (alignment_mask): Likewise.
13904 (find_alignment_op): Likewise.
13905 (recombine_lvx_pattern): Likewise.
13906 (recombine_stvx_pattern): Likewise.
13907 (recombine_lvx_stvx_patterns): Likewise.
13908 (rs6000_analyze_swaps): Perform a pre-pass to recognize lvx and
13909 stvx patterns from expand.
13910 * config/rs6000/vector.md (vector_altivec_load_<mode>): Use new
13912 (vector_altivec_store_<mode>): Likewise.
13914 2016-04-26 Evandro Menezes <e.menezes@samsung.com>
13916 * config/aarch64/aarch64.md
13917 (*movhf_aarch64): Add "movi %0, #0" to zero up register and
13918 remove the "fp" attributes.
13919 (*movsf_aarch64): Add "movi %0, #0" to zero up register and
13920 add the "simd" attributes.
13921 (*movdf_aarch64): Likewise.
13922 (*movtf_aarch64): Remove the "fp" attributes.
13923 * testsuite/gcc.target/aarch64/fmovf-zero-reg.c: Update accordingly.
13924 * testsuite/gcc.target/aarch64/fmovd-zero-reg.c: Likewise.
13926 2016-04-27 David Malcolm <dmalcolm@redhat.com>
13928 * emit-rtl.c (maybe_set_first_label_num): Strengthen param from
13929 rtx to rtx_code_label *.
13930 * rtl.h (maybe_set_first_label_num): Likewise.
13932 2016-04-27 David Malcolm <dmalcolm@redhat.com>
13934 * df-core.c (df_add_problem): Make the problem param be const.
13935 (df_remove_problem): Make local "problem" be const.
13936 * df-problems.c (problem_RD): Make const.
13937 (problem_LR): Likewise.
13938 (problem_LIVE): Likewise.
13939 (problem_MIR): Likewise.
13940 (problem_CHAIN): Likewise.
13941 (problem_WORD_LR): Likewise.
13942 (problem_NOTE): Likewise.
13943 (problem_MD): Likewise.
13944 * df-scan.c (problem_SCAN): Likewise.
13945 * df.h (struct df_problem): Make field "dependent_problem" be
13947 (struct dataflow): Likewise for field "problem".
13948 (df_add_problem): Make param const.
13950 2016-04-27 Uros Bizjak <ubizjak@gmail.com>
13952 * config/i386/i386.c (ix86_spill_class): Enable for TARGET_SSE2 when
13953 inter-unit moves to/from vector registers are enabled. Do not disable
13956 2016-04-27 David Malcolm <dmalcolm@redhat.com>
13958 * df.h (DF_SCAN, DF_LR, DF_LIVE, DF_RD, DF_CHAIN, DF_WORD_LR,
13959 DF_NOTE, DF_MD, DF_MIR, DF_LAST_PROBLEM_PLUS1): Convert from
13961 (enum df_problem_id): ...this new enum.
13962 (struct df_problem): Convert field "id" from "int" to
13963 enum df_problem_id.
13965 2016-04-27 David Malcolm <dmalcolm@redhat.com>
13967 * rtl.def: Update comment for "things in the instruction chain" to
13968 reflect the removal of the leading "i" field for INSN_UID in
13969 r210360. Fix bogus apostrophe.
13971 2016-04-27 Uros Bizjak <ubizjak@gmail.com>
13973 * config/i386/i386.md
13974 (lea arith with mem operand + setcc peephole2): Set operator mode.
13976 2016-04-27 H.J. Lu <hongjiu.lu@intel.com>
13979 * config/i386/i386.c (scalar_to_vector_candidate_p): Renamed to ...
13980 (dimode_scalar_to_vector_candidate_p): This.
13981 (timode_scalar_to_vector_candidate_p): New function.
13982 (scalar_to_vector_candidate_p): Likewise.
13983 (timode_check_non_convertible_regs): Likewise.
13984 (timode_remove_non_convertible_regs): Likewise.
13985 (remove_non_convertible_regs): Likewise.
13986 (remove_non_convertible_regs): Renamed to ...
13987 (dimode_remove_non_convertible_regs): This.
13988 (scalar_chain::~scalar_chain): Make it virtual.
13989 (scalar_chain::compute_convert_gain): Make it pure virtual.
13990 (scalar_chain::mark_dual_mode_def): Likewise.
13991 (scalar_chain::convert_insn): Likewise.
13992 (scalar_chain::convert_registers): Likewise.
13993 (scalar_chain::add_to_queue): Make it protected.
13994 (scalar_chain::emit_conversion_insns): Likewise.
13995 (scalar_chain::replace_with_subreg): Likewise.
13996 (scalar_chain::replace_with_subreg_in_insn): Likewise.
13997 (scalar_chain::convert_op): Likewise.
13998 (scalar_chain::convert_reg): Likewise.
13999 (scalar_chain::make_vector_copies): Likewise.
14000 (scalar_chain::convert_registers): New pure virtual function.
14001 (class dimode_scalar_chain): New class.
14002 (class timode_scalar_chain): Likewise.
14003 (scalar_chain::mark_dual_mode_def): Renamed to ...
14004 (dimode_scalar_chain::mark_dual_mode_def): This.
14005 (timode_scalar_chain::mark_dual_mode_def): New function.
14006 (timode_scalar_chain::convert_insn): Likewise.
14007 (dimode_scalar_chain::convert_registers): Likewise.
14008 (scalar_chain::compute_convert_gain): Renamed to ...
14009 (dimode_scalar_chain::compute_convert_gain): This.
14010 (scalar_chain::replace_with_subreg): Renamed to ...
14011 (dimode_scalar_chain::replace_with_subreg): This.
14012 (scalar_chain::replace_with_subreg_in_insn): Renamed to ...
14013 (dimode_scalar_chain::replace_with_subreg_in_insn): This.
14014 (scalar_chain::make_vector_copies): Renamed to ...
14015 (dimode_scalar_chain::make_vector_copies): This.
14016 (scalar_chain::convert_reg): Renamed to ...
14017 (dimode_scalar_chain::convert_reg ): This.
14018 (scalar_chain::convert_op): Renamed to ...
14019 (dimode_scalar_chain::convert_op): This.
14020 (scalar_chain::convert_insn): Renamed to ...
14021 (dimode_scalar_chain::convert_insn): This.
14022 (scalar_chain::convert): Call convert_registers.
14023 (convert_scalars_to_vector): Change to scalar_chain pointer to
14024 use timode_scalar_chain in 64-bit mode and dimode_scalar_chain
14025 in 32-bit mode. Delete scalar_chain pointer. Call
14026 free_dominance_info in 64-bit mode.
14027 (pass_stv::gate): Remove TARGET_64BIT check.
14028 (ix86_option_override): Put the 64-bit STV pass before the CSE
14031 2016-04-27 Pierre-Marie de Rodat <derodat@adacore.com>
14033 * dwarf2out.h (struct dw_loc_descr_node): Remove the
14034 dw_loc_frame_offset field.
14035 * dwarf2out.c (new_loc_descr): Likewise.
14036 (resolve_args_picking_1): Turn the VISITED hash set into a
14037 FRAME_OFFSET hash map. Use it to associate a frame offset to
14038 visited nodes. Remove uses of the CHECKING_P macro.
14039 (resolve_args_picking): Update call to resolve_args_picking_1.
14041 2016-04-27 Martin Liska <mliska@suse.cz>
14043 * tree-ssa-loop-ivopts.c (iv_ca_dump): Fix level of indentation.
14044 (free_loop_data): Release vuses of groups.
14046 2016-04-27 Bin Cheng <bin.cheng@arm.com>
14048 * tree-ssa-loop-ivopts.c (struct iv): Use pointer to struct iv_use
14049 instead of redundant use_id and boolean have_use_for.
14050 (struct iv_use): Change sub_id into group_id. Remove field next.
14051 Move fields: related_cands, n_map_members, cost_map and selected
14053 (struct iv_group): ... here. New structure.
14054 (struct iv_common_cand): Use structure declaration directly.
14055 (struct ivopts_data, iv_ca, iv_ca_delta): Rename fields.
14056 (MAX_CONSIDERED_USES): Rename macro to ...
14057 (MAX_CONSIDERED_GROUPS): ... here.
14058 (n_iv_uses, iv_use, n_iv_cands, iv_cand): Delete.
14059 (dump_iv, dump_use, dump_cand): Refactor format of dump information.
14060 (dump_uses): Rename to ...
14061 (dump_groups): ... here. Update all uses.
14062 (tree_ssa_iv_optimize_init, alloc_iv): Update all uses.
14063 (find_induction_variables): Refactor format of dump information.
14064 (record_sub_use): Delete.
14065 (record_use): Update all uses.
14066 (record_group): New function.
14067 (record_group_use, find_interesting_uses_op): Call above functions.
14069 (find_interesting_uses_cond): Ditto.
14070 (group_compare_offset): New function.
14071 (split_all_small_groups): Rename to ...
14072 (split_small_address_groups_p): ... here. Update all uses.
14073 (split_address_groups): Update all uses.
14074 (find_interesting_uses): Refactor format of dump information.
14075 (add_candidate_1): Update all uses. Remove redundant check on iv,
14077 (add_candidate, record_common_cand): Remove redundant assert.
14078 (add_iv_candidate_for_biv): Update use.
14079 (add_iv_candidate_derived_from_uses): Update all uses.
14080 (add_iv_candidate_for_groups, record_important_candidates): Ditto.
14081 (alloc_use_cost_map): Ditto.
14082 (set_use_iv_cost, get_use_iv_cost): Rename to ...
14083 (set_group_iv_cost, get_group_iv_cost): ... here. Update all uses.
14084 (determine_use_iv_cost_generic): Ditto.
14085 (determine_group_iv_cost_generic): Ditto.
14086 (determine_use_iv_cost_address): Ditto.
14087 (determine_group_iv_cost_address): Ditto.
14088 (determine_use_iv_cost_condition): Ditto.
14089 (determine_group_iv_cost_cond): Ditto.
14090 (determine_use_iv_cost): Ditto.
14091 (determine_group_iv_cost): Ditto.
14092 (set_autoinc_for_original_candidates): Update all uses.
14093 (find_iv_candidates): Update all uses. Refactor dump information.
14094 (determine_use_iv_costs): Ditto.
14095 (determine_iv_costs): Ditto.
14096 (iv_ca_cand_for_use): Rename to ...
14097 (iv_ca_cand_for_group): ... here. Update all uses.
14098 (iv_ca_add_use, iv_ca_add_group): Ditto.
14099 (iv_ca_set_cp, iv_ca_cost, iv_ca_delta_add): Update all uses.
14100 (iv_ca_delta_join, iv_ca_delta_reverse, iv_ca_delta_free): Ditto.
14101 (iv_ca_new, iv_ca_dump, iv_ca_extend, iv_ca_narrow): Ditto.
14102 (iv_ca_prune, cheaper_cost_with_cand, iv_ca_replace): Ditto.
14103 (try_add_cand_for, try_improve_iv_set, find_optimal_iv_set): Ditto.
14104 (create_new_iv, adjust_iv_update_pos): Ditto.
14105 (rewrite_use_address): Delete.
14106 (rewrite_use_address_1): Rename to ...
14107 (rewrite_use_address): ... here.
14108 (rewrite_use_compare): Update all uses.
14109 (rewrite_use): Delete.
14110 (rewrite_uses): Rename to ...
14111 (rewrite_groups): ... here. Update all uses.
14112 (remove_unused_ivs, free_loop_data): Update all uses.
14113 (tree_ssa_iv_optimize_finalize, tree_ssa_iv_optimize_loop): Ditto.
14115 2016-04-27 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
14117 * rtlanal.c (nonzero_bits1): Convert preprocessor check
14118 for WORD_REGISTER_OPERATIONS to runtime check.
14120 2016-04-27 Richard Biener <rguenther@suse.de>
14123 * tree-ssa-structalias.c (find_func_aliases_for_call): Use
14124 aggregate_value_p to determine if a function result is
14125 returned by reference.
14126 (ipa_pta_execute): Functions having their address taken are
14127 not automatically nonlocal.
14129 2016-04-27 Jakub Jelinek <jakub@redhat.com>
14132 * tree-core.h (enum operand_equal_flag): Add OEP_NO_HASH_CHECK.
14133 * fold-const.c (operand_equal_p): If flag_checking and
14134 OEP_NO_HASH_CHECK is not set in flag, recurse with OEP_NO_HASH_CHECK
14135 and if it returns non-zero, assert iterative_hash_expr on both
14138 2016-04-27 Bernd Schmidt <bschmidt@redhat.com>
14140 * doc/invoke.texi (-frename-registers): Also enabled at -Os.
14142 2016-04-27 Nick Clifton <nickc@redhat.com>
14144 PR middle-end/49889
14145 * varasm.c (merge_weak): Generate an error if an attempt is made
14146 to convert a non-weak static function into a weak, public function.
14148 2016-04-27 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
14150 * params.def (MAX_PARTITION_SIZE): New param.
14151 * doc/invoke.texi: Document lto-max-partition.
14153 2016-04-27 Richard Biener <rguenther@suse.de>
14156 * tree-ssa-structalias.c (refered_from_nonlocal_fn): New
14157 function cummulating used_from_other_partition, externally_visible
14158 and force_output from aliases.
14159 (refered_from_nonlocal_var): Likewise.
14160 (ipa_pta_execute): Use call_for_symbol_and_aliases to cummulate
14161 node flags properly.
14163 2016-04-27 Bernd Schmidt <bschmidt@redhat.com>
14165 * doc/invoke.texi (Warning Options): Add -Wmemset-elt-size.
14166 (-Wmemset-elt-size): New item.
14168 2016-04-27 Eric Botcazou <ebotcazou@adacore.com>
14171 * stor-layout.h (internal_reference_types): Delete.
14172 * stor-layout.c (reference_types_internal): Likewise.
14173 (internal_reference_types): Likewise.
14174 (layout_type) <REFERENCE_TYPE>: Adjust.
14176 2016-04-27 Jakub Jelinek <jakub@redhat.com>
14179 * tree.h (inchash::add_expr): Add FLAGS argument.
14180 * tree.c (inchash::add_expr): Likewise. If not OEP_ADDRESS_OF,
14181 use STRIP_NOPS first. For INTEGER_CST assert not OEP_ADDRESS_OF.
14182 For REAL_CST and !HONOR_SIGNED_ZEROS (t) hash +/- 0 the same.
14183 Formatting fix. Adjust recursive calls. For tcc_comparison,
14184 if swap_tree_comparison (code) is smaller than code, hash that
14185 and arguments in the other order. Hash CONVERT_EXPR the same
14186 as NOP_EXPR. For OEP_ADDRESS_OF hash MEM_REF with 0 offset
14187 of ADDR_EXPR of decl as the decl itself. Add or remove
14188 OEP_ADDRESS_OF from recursive flags as needed. For
14189 FMA_EXPR, WIDEN_MULT_{PLUS,MINUS}_EXPR hash the first two
14190 operands commutatively and only the third one normally.
14191 For internal CALL_EXPR hash in CALL_EXPR_IFN.
14193 2016-04-27 Sebastian Huber <sebastian.huber@embedded-brains.de>
14195 * config/rtems.h (LIB_SPEC): Add -latomic.
14197 2016-04-27 Joel Sherrill <joel@rtems.org>
14199 * config/microblaze/rtems.h: Redefine LINK_SPEC to avoid
14200 xilink.ld and flags not relevant to RTEMS.
14202 2016-04-26 Zhouyi Zhou <yizhouzhou@ict.ac.cn>
14204 * toplev.c (backend_init_target): Avoid calling init_reload when using
14207 2016-04-26 Jakub Jelinek <jakub@redhat.com>
14209 * reorg.c (try_merge_delay_insns): Declare i and j inside the
14210 for loops rather than one for the whole function.
14212 2016-04-26 Marc Glisse <marc.glisse@inria.fr>
14214 * match.pd (X + CST CMP X): New transformation.
14216 2016-04-26 Marc Glisse <marc.glisse@inria.fr>
14218 * genmatch.c (write_predicate): Add ATTRIBUTE_UNUSED.
14219 * fold-const.c (fold_binary_loc): Remove 2 transformations
14220 superseded by match.pd.
14221 * match.pd (x+x -> x*2): Generalize to integers.
14223 2016-04-26 Bernd Schmidt <bschmidt@redhat.com>
14225 * config/i386/i386.md (operation on memory peephole): Duplicate an
14226 existing peephole and adapt it to match lea rather than an operation
14229 PR rtl-optimization/57193
14230 * opts.c (default_options_table): Add OPT_frename_registers at -O2
14232 * doc/invoke.texi (-frename-registers, -O2): Update documentation.
14234 2016-04-26 Bin Cheng <bin.cheng@arm.com>
14236 * tree-if-conv.c (any_pred_load_store): New static variable.
14237 (if_convertible_gimple_assign_stmt_p): Remove parameter. Use
14238 any_pred_load_store instead of and_mask_load_store.
14239 (if_convertible_stmt_p, if_convertible_loop_p_1): Ditto.
14240 (if_convertible_loop_p, insert_gimplified_predicates): Ditto.
14241 (combine_blocks, tree_if_conversion): Ditto.
14243 2016-04-26 Bin Cheng <bin.cheng@arm.com>
14245 PR tree-optimization/70771
14246 PR tree-optimization/70775
14247 * tree-if-conv.c (if_convertible_phi_p): Remove check on special
14248 virtual PHI nodes. Delete parameter.
14249 (if_convertible_loop_p_1): Delete argument to above function.
14250 (predicate_all_scalar_phis): Delete code handling single-argument
14252 (tree_if_conversion): Mark and update virtual SSA.
14254 2016-04-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
14257 * config/i386/i386.c (LARGECOMM_SECTION_ASM_OP): Define default.
14258 (x86_elf_aligned_common): Rename to ...
14259 (x86_elf_aligned_decl_common): ... this.
14260 Add decl arg. Switch to .lbss for largecomm object. Use
14261 LARGECOMM_SECTION_ASM_OP.
14262 * config/i386/i386-protos.h (x86_elf_aligned_common): Reflect
14264 * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_COMMON): Rename to ...
14265 (ASM_OUTPUT_ALIGNED_DECL_COMMON): ... this.
14267 * config/i386/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
14268 [!USE_GAS] (LARGECOMM_SECTION_ASM_OP): Define.
14270 2016-04-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
14273 * config/i386/i386.c (SECTION_LARGE): Define.
14274 (x86_64_elf_select_section): Set it for large data/bss sections.
14275 Only clear SECTION_WRITE for .lrodata.
14276 (x86_64_elf_section_type_flags): Set SECTION_LARGE for large
14278 * config/i386/sol2.h (MACH_DEP_SECTION_ASM_FLAG): Define.
14279 * varasm.c (default_elf_asm_named_section): Grow flagchars.
14280 [MACH_DEP_SECTION_ASM_FLAG] Emit MACH_DEP_SECTION_ASM_FLAG for
14282 * doc/tm.texi.in (Sections, MACH_DEP_SECTION_ASM_FLAG): Describe.
14283 * doc/tm.texi: Regenerate.
14285 2016-04-26 Jakub Jelinek <jakub@redhat.com>
14288 * configure.ac (--enable-checking): Document extra flag, for
14289 non-release builds default to --enable-checking=yes,extra.
14290 If misc checking and extra checking, define CHECKING_P to 2 instead
14292 * common.opt (fchecking=): Add.
14293 * doc/invoke.texi (-fchecking=): Document.
14294 * doc/install.texi: Document --enable-checking changes.
14295 * configure: Regenerated.
14296 * config.in: Regenerated.
14298 2016-04-25 Uros Bizjak <ubizjak@gmail.com>
14300 * config/i386/i386.md (*movxi_internal_avx512f): Use insn type
14301 attribute instead of which_alternative.
14302 * config/i386/sse.md (*mov<mode>_internal): Ditto.
14303 Use EXT_REX_SSE_REG_P where appropriate.
14305 2016-04-25 Uros Bizjak <ubizjak@gmail.com>
14307 * config/i386/predicates.md (const0_operand): Do not match
14308 const_wide_int code.
14309 (const1_operand): Ditto.
14311 2016-04-25 Uros Bizjak <ubizjak@gmail.com>
14313 * config/i386/i386.md (*movoi_internal_avx): Set mode attribute to XI
14314 for SSE constm1 operands and TARGET_AVX512VL.
14315 (*movti_internal): Ditto.
14316 (*mov<mode>_or): Use constm1_operand predicate.
14317 * config/i386/sse.md (*mov<mode>_internal): Set mode attribute to XI
14318 for SSE vector_all_ones operands and TARGET_AVX512VL.
14319 * config/i386/predicates.md (constm1_operand): New predicate.
14320 * config/i386/i386.c (standard_sse_constant_opcode): Simplify
14321 emission of constant -1 load.
14323 2016-04-25 Jason Merrill <jason@redhat.com>
14325 * gdbinit.in: Skip is-a.h.
14327 * attribs.c (register_scoped_attributes): Fix logic.
14328 * attribs.h: Declare register_scoped_attributes.
14330 2016-04-25 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
14332 * config/rs6000/rs6000-builtin.def: Correct pasto error for
14333 stxvd2x and stxvw4x built-in functions.
14335 2016-04-25 DJ Delorie <dj@redhat.com>
14337 * config/msp430/msp430.md (ashlhi3): Optimize one bit shifts.
14338 (ashrhi3): Likewise.
14339 (lshrhi3): Likewise.
14341 2016-04-25 Richard Biener <rguenther@suse.de>
14343 PR tree-optimization/70780
14344 * tree-ssa-pre.c (compute_antic_aux): Also return true if the block
14345 wasn't visited yet.
14346 (compute_antic): Mark blocks with abnormal preds as visited as
14347 they have a final empty antic-in solution already.
14349 2016-04-25 Michael Collison <michael.collison@linaro.org>
14351 * ChangeLog(2016-04-25): Fix ChangeLog formatting.
14353 2016-04-25 Michael Collison <michael.collison@linaro.org>
14355 * config/arm/neon.md (widen_<us>sum<mode>): New patterns where
14356 mode is VQI to improve mixed mode vectorization.
14357 * config/arm/neon.md (vec_sel_widen_ssum_lo<VQI:mode><VW:mode>3): New
14358 define_insn to match low half of signed vaddw.
14359 * config/arm/neon.md (vec_sel_widen_ssum_hi<VQI:mode><VW:mode>3): New
14360 define_insn to match high half of signed vaddw.
14361 * config/arm/neon.md (vec_sel_widen_usum_lo<VQI:mode><VW:mode>3): New
14362 define_insn to match low half of unsigned vaddw.
14363 * config/arm/neon.md (vec_sel_widen_usum_hi<VQI:mode><VW:mode>3): New
14364 define_insn to match high half of unsigned vaddw.
14365 * config/arm/arm.c (arm_simd_vect_par_cnst_half): New function.
14366 (arm_simd_check_vect_par_cnst_half_p): Likewise.
14367 * config/arm/arm-protos.h (arm_simd_vect_par_cnst_half): Prototype
14369 (arm_simd_check_vect_par_cnst_half_p): Likewise.
14370 * config/arm/predicates.md (vect_par_constant_high): Support
14371 big endian and simplify by calling
14372 arm_simd_check_vect_par_cnst_half
14373 (vect_par_constant_low): Likewise.
14375 2016-04-25 Uros Bizjak <ubizjak@gmail.com>
14377 * config/i386/i386.md (*lea<mode>_general_4): Use const_0_to_3_operand
14378 predicate for operand 2.
14380 2016-04-24 Uros Bizjak <ubizjak@gmail.com>
14381 H.J. Lu <hongjiu.lu@intel.com>
14383 * config/i386/i386-protos.h (standard_sse_constant_p): Add
14384 machine_mode argument.
14385 * config/i386/i386.c (standard_sse_constant_p): Return 2 for
14386 constm1_rtx operands. For VOIDmode constants, get mode from
14387 pred_mode. Check mode size if the mode is supported by ABI.
14388 (standard_sse_constant_opcode): Do not use standard_constant_p.
14389 Strictly check ABI support for all-ones operands.
14390 (ix86_legitimate_constant_p): Handle TImode, OImode and XImode
14391 immediates. Update calls to standard_sse_constant_p.
14392 (ix86_expand_vector_move): Update calls to standard_sse_constant_p.
14393 (ix86_rtx_costs): Ditto.
14394 * config/i386/i386.md (*movxi_internal_avx512f): Use
14395 nonimmediate_or_sse_const_operand instead of vector_move_operand.
14396 Use (v,BC) alternative instead of (v,C). Use register_operand
14397 checks instead of MEM_P.
14398 (*movoi_internal_avx): Use nonimmediate_or_sse_const_operand instead
14399 of vector_move_operand. Add (v,BC) alternative and corresponding avx2
14400 isa attribute. Use register_operand checks instead of MEM_P.
14401 (*movti_internal): Use nonimmediate_or_sse_const_operand for
14402 TARGET_SSE. Improve TARGET_SSE insn constraint. Add (v,BC)
14403 alternative and corresponding sse2 isa attribute.
14404 (*movtf_internal, *movdf_internal, *movsf_interal): Update calls
14405 to standard_sse_constant_p.
14406 (FP constant splitters): Ditto.
14407 * config/i386/constraints.md (BC): Do not use standard_sse_constant_p.
14409 * config/i386/predicates.md (constm1_operand): Remove.
14410 (nonimmediate_or_sse_const_operand): Rewrite using RTX.
14411 * config/i386/sse.md (*<avx512>_cvtmask2<ssemodesuffix><mode>): Use
14412 vector_all_ones_operand instead of constm1_operand.
14414 2016-04-24 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
14416 * print-rtl.c (print_rtx_insn_vec): New function.
14417 * print-rtl.h: New prototype.
14418 * store-motion.c (struct st_expr): Make avail_stores a vector.
14419 (st_expr_entry): Adjust.
14420 (free_st_expr_entry): Likewise.
14421 (print_store_motion_mems): Likewise.
14422 (find_moveable_store): Likewise.
14423 (compute_store_table): Likewise.
14424 (delete_store): Likewise.
14425 (build_store_vectors): Likewise.
14427 2016-04-24 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
14429 * reorg.c (try_merge_delay_insns): Make merged_insns a vector.
14431 2016-04-24 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
14433 * vec.h (vec_safe_contains): New function.
14434 (vec::contains): Likewise.
14435 (vec::begin): Likewise.
14436 (vec::end): Likewise.
14438 2016-04-23 Jakub Jelinek <jakub@redhat.com>
14441 * cfgexpand.c (expand_stack_vars): Fix typo.
14443 2016-04-22 Szabolcs Nagy <szabolcs.nagy@arm.com>
14445 * system.h (list, map, set, vector): Include conditionally.
14446 * auto-profile.c (INCLUDE_MAP, INCLUDE_SET): Define.
14447 * graphite-isl-ast-to-gimple.c (INCLUDE_MAP): Define.
14448 * ipa-icf.c (INCLUDE_LIST): Define.
14449 * config/aarch64/cortex-a57-fma-steering.c (INCLUDE_LIST): Define.
14450 * config/sh/sh.c (INCLUDE_VECTOR): Define.
14451 * config/sh/sh_treg_combine.cc (INCLUDE_ALGORITHM): Define.
14452 (INCLUDE_LIST, INCLUDE_VECTOR): Define.
14453 * cp/logic.cc (INCLUDE_LIST): Define.
14454 * fortran/trans-common.c (INCLUDE_MAP): Define.
14456 2016-04-22 Szabolcs Nagy <szabolcs.nagy@arm.com>
14458 * auto-profile.c: Remove <string.h> include.
14459 * ipa-icf-gimple.c: Remove <list> include.
14460 * diagnostic.c: Remove <new> include.
14461 * genmatch.c: Likewise.
14462 * pretty-print.c: Likewise.
14463 * toplev.c: Likewise
14464 * c/c-objc-common.c: Likewise.
14465 * cp/error.c: Likewise.
14466 * fortran/error.c: Likewise.
14468 2016-04-22 Richard Biener <rguenther@suse.de>
14470 * lto-streamer-in.c (input_ssa_names): Do not allocate
14471 GIMPLE_NOP for all SSA names.
14472 * lto-streamer-out.c (output_ssa_names): Do not output
14473 SSA names that should have been released.
14475 2016-04-22 Richard Biener <rguenther@suse.de>
14477 PR tree-optimization/70740
14478 * tree-ssa-phiprop.c (propagate_with_phi): Handle inserted
14481 2016-04-21 H.J. Lu <hongjiu.lu@intel.com>
14484 * config/i386/predicates.md (call_insn_operand): Replace
14485 sibcall_memory_operand with memory_operand.
14487 2016-04-21 Patrick Palka <ppalka@gcc.gnu.org>
14489 * tree-vrp.c (register_edge_assert_for_2): Remove redundant
14490 has_single_use() tests.
14491 (register_edge_assert_for_1): Likewise.
14492 (find_assert_locations_1): Check the liveness bitmap instead of
14493 checking has_single_use().
14495 2016-04-21 Kirill Yukhin <kirill.yukhin@intel.com>
14498 * config/i386/sse.md (define_insn "<shift_insn><mode>3<mask_name>"):
14499 Extract AVX-512BW constraint from AVX.
14501 2016-04-21 Richard Biener <rguenther@suse.de>
14503 PR tree-optimization/70725
14504 * tree-if-conv.c (if_convertible_phi_p): Adjust guard
14505 for phi_convertible_by_degenerating_args.
14506 (predicate_all_scalar_phis): Handle single-argument PHIs.
14508 2016-04-21 Richard Biener <rguenther@suse.de>
14510 PR middle-end/70747
14511 * fold-const.c (fold_comparison): Return properly typed
14514 2016-04-21 Bin Cheng <bin.cheng@arm.com>
14516 PR tree-optimization/70715
14517 * tree-ssa-loop-niter.c (loop_exits_before_overflow): Check equality
14518 after expanding BASE using expand_simple_operations.
14520 2016-04-21 Marc Glisse <marc.glisse@inria.fr>
14522 * match.pd (min(-x, -y), max(-x, -y), min(~x, ~y), max(~x, ~y)):
14523 New transformations.
14525 2016-04-21 Marc Glisse <marc.glisse@inria.fr>
14527 * match.pd (min(int_max, x), max(int_min, x)): New transformations.
14529 2016-04-20 Jan Hubicka <jh@suse.cz>
14531 * ipa-inline.c (can_inline_edge_p): Pass caller info to
14532 ultiimate_alias_target.
14533 (update_callee_keys): Likewise.
14534 (lookup_recursive_calls): Likewise.
14535 (speculation_useful_p): Likewise.
14537 2016-04-20 Jan Hubicka <jh@suse.cz>
14540 * cgraph.c (cgraph_set_nothrow_flag_1): Rename to ...
14541 (set_nothrow_flag_1): ... this; handle interposition correctly;
14542 recurse on aliases and thunks.
14543 (cgraph_node::set_nothrow_flag): New.
14544 * ipa-pure-const.c (ignore_edge_for_nothrow): Ignore calls to
14545 functions compiled with non-call exceptions that binds to current
14547 (propagate_nothrow): Be safe WRT interposition.
14548 * cgraph.h (set_nothrow_flag): Update prototype.
14550 2016-04-18 Jan Hubicka <jh@suse.cz>
14552 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
14553 max_loop_iterations_int.
14554 (tree_unswitch_outer_loop): Likewise.
14556 2016-04-20 Bin Cheng <bin.cheng@arm.com>
14558 PR tree-optimization/69489
14559 * tree-if-conv.c (phi_convertible_by_degenerating_args): New.
14560 (if_convertible_phi_p): Call phi_convertible_by_degenerating_args.
14561 Revise dump message.
14562 (if_convertible_bb_p): Remove check on edge count of basic block's
14565 2016-04-20 Bin Cheng <bin.cheng@arm.com>
14567 PR tree-optimization/56625
14568 PR tree-optimization/69489
14569 * tree-data-ref.h (DR_INNERMOST): New macro.
14570 * tree-if-conv.c (innermost_loop_behavior_hash): New class for
14571 hashing struct innermost_loop_behavior.
14572 (ref_DR_map): Remove.
14573 (innermost_DR_map): New map.
14574 (baseref_DR_map): Revise comment.
14575 (hash_memrefs_baserefs_and_store_DRs_read_written_info): Store DR
14576 to innermost_DR_map accroding to its innermost loop behavior.
14577 (ifcvt_memrefs_wont_trap): Get DR from innermost_DR_map according
14578 to its innermost loop behavior.
14579 (if_convertible_loop_p_1): Remove intialization for ref_DR_map.
14580 Add initialization for innermost_DR_map. Record memory reference
14581 in DR_BASE_ADDRESS if the reference is compound one or it doesn't
14582 have innermost loop behavior.
14583 (if_convertible_loop_p): Remove release for ref_DR_map. Release
14586 2016-04-20 Uros Bizjak <ubizjak@gmail.com>
14588 * config/i386/i386.md (*lea<mode>_general_1): Rename from
14589 *lea_general_1. Use explicit SWI12 mode interator.
14590 (*lea<mode>_general_2): Rename from *lea_general_2.
14591 Use explicit SWI12 mode interator.
14592 (*lea<mode>_general_3): Rename from *lea_general_3.
14593 Use explicit SWI12 mode interator.
14594 (*lea<SWI12:mode>_general_4): Split from *lea_general_4.
14595 Use explicit SWI12 mode interator.
14596 (*lea<SWI48:mode>_general_4): Split from *lea_general_4.
14597 Use explicit SWI48 mode interator.
14599 2016-04-20 H.J. Lu <hongjiu.lu@intel.com>
14601 * config/i386/i386.c (ix86_avx256_split_vector_move_misalign):
14602 Short-cut unaligned load and store cases. Handle all integer
14604 (ix86_expand_vector_move_misalign): Short-cut unaligned load
14605 and store cases. Call ix86_avx256_split_vector_move_misalign
14606 directly without checking mode class.
14608 2016-04-20 Andrew Pinski <apinski@cavium.com>
14609 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
14612 * config/aarch64/aarch64.md (sibcall): Force call
14613 address to be DImode for ILP32.
14614 (sibcall_value): Likewise.
14616 2016-04-20 H.J. Lu <hongjiu.lu@intel.com>
14618 * doc/invoke.texi: Replace -skip-rax-setup with -mskip-rax-setup.
14620 2016-04-20 Richard Biener <rguenther@suse.de>
14622 * gimple-match.h (maybe_build_generic_op): Adjust prototype.
14623 * gimple-match-head.c (maybe_build_generic_op): Pass all ops
14624 by reference, clear op1 and op2 when GENERICizing BIT_FIELD_REF.
14625 (maybe_push_res_to_seq): Adjust.
14626 * gimple-fold.c (maybe_build_generic_op): Likewise.
14628 2016-04-20 Marek Polacek <polacek@redhat.com>
14630 * tree-if-conv.c (is_false_predicate): For NULL_TREE return false
14633 2016-04-20 Ilya Enkovich <ilya.enkovich@intel.com>
14635 * config/i386/sse.md (vec_unpacks_lo_hi): Always
14636 use kmovw to support AVX512F target.
14638 2016-04-20 Bin Cheng <bin.cheng@arm.com>
14640 * tree-scalar-evolution.c (interpret_rhs_expr): Handle BIT_AND_EXPR.
14642 2016-04-20 Marek Polacek <polacek@redhat.com>
14644 PR tree-optimization/70725
14645 * tree-if-conv.c (is_false_predicate): New function.
14646 (predicate_mem_writes): Use it.
14648 2016-04-20 Richard Biener <rguenther@suse.de>
14650 PR tree-optimization/70726
14651 * tree-vect-stmts.c (vectorizable_shift): Do not use scalar
14652 shift amounts from a pattern stmt operand.
14654 2016-04-20 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
14657 * config/s390/s390.c (s390_restore_gprs_from_fprs): Pick the new
14658 stack_restore_from_fpr pattern when restoring r15.
14659 (s390_optimize_prologue): Strip away the memory barrier in the
14660 parallel when trying to get rid of restore insns.
14661 * config/s390/s390.md ("stack_restore_from_fpr"): New insn
14662 definition for loading the stack pointer from an FPR. Compared to
14663 the normal move insn this pattern includes a full memory barrier.
14665 2016-04-19 Jakub Jelinek <jakub@redhat.com>
14667 PR middle-end/70680
14668 * gimplify.c (gimplify_omp_for): Call omp_notice_variable for
14669 implicitly linear or lastprivate iterator on the outer context.
14671 2016-04-19 H.J. Lu <hongjiu.lu@intel.com>
14673 * config/i386/i386.c (ix86_legitimate_combined_insn): Remove
14675 * config/i386/i386.md (ssememalign): Removed.
14676 * config/i386/sse.md: Remove ssememalign attribute from patterns.
14678 2016-04-19 H.J. Lu <hongjiu.lu@intel.com>
14681 * config/i386/avx512bwintrin.h (_mm512_mask_loadu_epi16): Pass
14682 const short * to __builtin_ia32_loaddquhi512_mask.
14683 (_mm512_maskz_loadu_epi16): Likewise.
14684 (_mm512_mask_storeu_epi16): Pass short * to
14685 __builtin_ia32_storedquhi512_mask.
14686 (_mm512_mask_loadu_epi8): Pass const char * to
14687 __builtin_ia32_loaddquqi512_mask.
14688 (_mm512_maskz_loadu_epi8): Likewise.
14689 (_mm512_mask_storeu_epi8): Pass char * to
14690 __builtin_ia32_storedquqi512_mask.
14691 * config/i386/avx512fintrin.h (_mm512_loadu_pd): Pass
14692 const double * to __builtin_ia32_loadupd512_mask.
14693 (_mm512_mask_loadu_pd): Likewise.
14694 (_mm512_maskz_loadu_pd): Likewise.
14695 (_mm512_storeu_pd): Pass double * to
14696 __builtin_ia32_storeupd512_mask.
14697 (_mm512_mask_storeu_pd): Likewise.
14698 (_mm512_loadu_ps): Pass const float * to
14699 __builtin_ia32_loadups512_mask.
14700 (_mm512_mask_loadu_ps): Likewise.
14701 (_mm512_maskz_loadu_ps): Likewise.
14702 (_mm512_storeu_ps): Pass float * to
14703 __builtin_ia32_storeups512_mask.
14704 (_mm512_mask_storeu_ps): Likewise.
14705 (_mm512_mask_loadu_epi64): Pass const long long * to
14706 __builtin_ia32_loaddqudi512_mask.
14707 (_mm512_maskz_loadu_epi64): Likewise.
14708 (_mm512_mask_storeu_epi64): Pass long long *
14709 to __builtin_ia32_storedqudi512_mask.
14710 (_mm512_loadu_si512): Pass const int * to
14711 __builtin_ia32_loaddqusi512_mask.
14712 (_mm512_mask_loadu_epi32): Likewise.
14713 (_mm512_maskz_loadu_epi32): Likewise.
14714 (_mm512_storeu_si512): Pass int * to
14715 __builtin_ia32_storedqusi512_mask.
14716 (_mm512_mask_storeu_epi32): Likewise.
14717 * config/i386/avx512vlbwintrin.h (_mm256_mask_storeu_epi8): Pass
14718 char * to __builtin_ia32_storedquqi256_mask.
14719 (_mm_mask_storeu_epi8): Likewise.
14720 (_mm256_mask_loadu_epi16): Pass const short * to
14721 __builtin_ia32_loaddquhi256_mask.
14722 (_mm256_maskz_loadu_epi16): Likewise.
14723 (_mm_mask_loadu_epi16): Pass const short * to
14724 __builtin_ia32_loaddquhi128_mask.
14725 (_mm_maskz_loadu_epi16): Likewise.
14726 (_mm256_mask_loadu_epi8): Pass const char * to
14727 __builtin_ia32_loaddquqi256_mask.
14728 (_mm256_maskz_loadu_epi8): Likewise.
14729 (_mm_mask_loadu_epi8): Pass const char * to
14730 __builtin_ia32_loaddquqi128_mask.
14731 (_mm_maskz_loadu_epi8): Likewise.
14732 (_mm256_mask_storeu_epi16): Pass short * to.
14733 __builtin_ia32_storedquhi256_mask.
14734 (_mm_mask_storeu_epi16): Pass short * to.
14735 __builtin_ia32_storedquhi128_mask.
14736 * config/i386/avx512vlintrin.h (_mm256_mask_loadu_pd): Pass
14737 const double * to __builtin_ia32_loadupd256_mask.
14738 (_mm256_maskz_loadu_pd): Likewise.
14739 (_mm_mask_loadu_pd): Pass onst double * to
14740 __builtin_ia32_loadupd128_mask.
14741 (_mm_maskz_loadu_pd): Likewise.
14742 (_mm256_mask_storeu_pd): Pass double * to
14743 __builtin_ia32_storeupd256_mask.
14744 (_mm_mask_storeu_pd): Pass double * to
14745 __builtin_ia32_storeupd128_mask.
14746 (_mm256_mask_loadu_ps): Pass const float * to
14747 __builtin_ia32_loadups256_mask.
14748 (_mm256_maskz_loadu_ps): Likewise.
14749 (_mm_mask_loadu_ps): Pass const float * to
14750 __builtin_ia32_loadups128_mask.
14751 (_mm_maskz_loadu_ps): Likewise.
14752 (_mm256_mask_storeu_ps): Pass float * to
14753 __builtin_ia32_storeups256_mask.
14754 (_mm_mask_storeu_ps): ass float * to
14755 __builtin_ia32_storeups128_mask.
14756 (_mm256_mask_loadu_epi64): Pass const long long * to
14757 __builtin_ia32_loaddqudi256_mask.
14758 (_mm256_maskz_loadu_epi64): Likewise.
14759 (_mm_mask_loadu_epi64): Pass const long long * to
14760 __builtin_ia32_loaddqudi128_mask.
14761 (_mm_maskz_loadu_epi64): Likewise.
14762 (_mm256_mask_storeu_epi64): Pass long long * to
14763 __builtin_ia32_storedqudi256_mask.
14764 (_mm_mask_storeu_epi64): Pass long long * to
14765 __builtin_ia32_storedqudi128_mask.
14766 (_mm256_mask_loadu_epi32): Pass const int * to
14767 __builtin_ia32_loaddqusi256_mask.
14768 (_mm256_maskz_loadu_epi32): Likewise.
14769 (_mm_mask_loadu_epi32): Pass const int * to
14770 __builtin_ia32_loaddqusi128_mask.
14771 (_mm_maskz_loadu_epi32): Likewise.
14772 (_mm256_mask_storeu_epi32): Pass int * to
14773 __builtin_ia32_storedqusi256_mask.
14774 (_mm_mask_storeu_epi32): Pass int * to
14775 __builtin_ia32_storedqusi128_mask.
14776 * config/i386/i386-builtin-types.def (PCSHORT): New.
14777 (PINT64): Likewise.
14778 (V64QI_FTYPE_PCCHAR_V64QI_UDI): Likewise.
14779 (V32HI_FTYPE_PCSHORT_V32HI_USI): Likewise.
14780 (V32QI_FTYPE_PCCHAR_V32QI_USI): Likewise.
14781 (V16SF_FTYPE_PCFLOAT_V16SF_UHI): Likewise.
14782 (V8DF_FTYPE_PCDOUBLE_V8DF_UQI): Likewise.
14783 (V16SI_FTYPE_PCINT_V16SI_UHI): Likewise.
14784 (V16HI_FTYPE_PCSHORT_V16HI_UHI): Likewise.
14785 (V16QI_FTYPE_PCCHAR_V16QI_UHI): Likewise.
14786 (V8SF_FTYPE_PCFLOAT_V8SF_UQI): Likewise.
14787 (V8DI_FTYPE_PCINT64_V8DI_UQI): Likewise.
14788 (V8SI_FTYPE_PCINT_V8SI_UQI): Likewise.
14789 (V8HI_FTYPE_PCSHORT_V8HI_UQI): Likewise.
14790 (V4DF_FTYPE_PCDOUBLE_V4DF_UQI): Likewise.
14791 (V4SF_FTYPE_PCFLOAT_V4SF_UQI): Likewise.
14792 (V4DI_FTYPE_PCINT64_V4DI_UQI): Likewise.
14793 (V4SI_FTYPE_PCINT_V4SI_UQI): Likewise.
14794 (V2DF_FTYPE_PCDOUBLE_V2DF_UQI): Likewise.
14795 (V2DI_FTYPE_PCINT64_V2DI_UQI): Likewise.
14796 (VOID_FTYPE_PDOUBLE_V8DF_UQI): Likewise.
14797 (VOID_FTYPE_PDOUBLE_V4DF_UQI): Likewise.
14798 (VOID_FTYPE_PDOUBLE_V2DF_UQI): Likewise.
14799 (VOID_FTYPE_PFLOAT_V16SF_UHI): Likewise.
14800 (VOID_FTYPE_PFLOAT_V8SF_UQI): Likewise.
14801 (VOID_FTYPE_PFLOAT_V4SF_UQI): Likewise.
14802 (VOID_FTYPE_PINT64_V8DI_UQI): Likewise.
14803 (VOID_FTYPE_PINT64_V4DI_UQI): Likewise.
14804 (VOID_FTYPE_PINT64_V2DI_UQI): Likewise.
14805 (VOID_FTYPE_PINT_V16SI_UHI): Likewise.
14806 (VOID_FTYPE_PINT_V8SI_UHI): Likewise.
14807 (VOID_FTYPE_PINT_V4SI_UHI): Likewise.
14808 (VOID_FTYPE_PSHORT_V32HI_USI): Likewise.
14809 (VOID_FTYPE_PSHORT_V16HI_UHI): Likewise.
14810 (VOID_FTYPE_PSHORT_V8HI_UQI): Likewise.
14811 (VOID_FTYPE_PCHAR_V64QI_UDI): Likewise.
14812 (VOID_FTYPE_PCHAR_V32QI_USI): Likewise.
14813 (VOID_FTYPE_PCHAR_V16QI_UHI): Likewise.
14814 (V64QI_FTYPE_PCV64QI_V64QI_UDI): Removed.
14815 (V32HI_FTYPE_PCV32HI_V32HI_USI): Likewise.
14816 (V32QI_FTYPE_PCV32QI_V32QI_USI): Likewise.
14817 (V16HI_FTYPE_PCV16HI_V16HI_UHI): Likewise.
14818 (V16QI_FTYPE_PCV16QI_V16QI_UHI): Likewise.
14819 (V8HI_FTYPE_PCV8HI_V8HI_UQI): Likewise.
14820 (VOID_FTYPE_PV32HI_V32HI_USI): Likewise.
14821 (VOID_FTYPE_PV16HI_V16HI_UHI): Likewise.
14822 (VOID_FTYPE_PV8HI_V8HI_UQI): Likewise.
14823 (VOID_FTYPE_PV64QI_V64QI_UDI): Likewise.
14824 (VOID_FTYPE_PV32QI_V32QI_USI): Likewise.
14825 (VOID_FTYPE_PV16QI_V16QI_UHI): Likewise.
14826 * config/i386/i386.c (ix86_emit_save_reg_using_mov): Don't
14828 (ix86_emit_restore_sse_regs_using_mov): Don't use UNSPEC_LOADU.
14829 (ix86_avx256_split_vector_move_misalign): Don't use unaligned
14831 (ix86_expand_vector_move_misalign): Likewise.
14832 (bdesc_special_args): Use CODE_FOR_movvNXY_internal and pointer
14833 to scalar function prototype for unaligned load/store builtins.
14834 (ix86_expand_special_args_builtin): Updated.
14835 * config/i386/sse.md (UNSPEC_LOADU): Removed.
14836 (UNSPEC_STOREU): Likewise.
14837 (VI_ULOADSTORE_BW_AVX512VL): Likewise.
14838 (VI_ULOADSTORE_F_AVX512VL): Likewise.
14839 (ssescalarsize): Handle V4TI, V2TI and V1TI.
14840 (<sse>_loadu<ssemodesuffix><avxsizesuffix><mask_name>): Likewise.
14841 (*<sse>_loadu<ssemodesuffix><avxsizesuffix><mask_name>): Likewise.
14842 (<sse>_storeu<ssemodesuffix><avxsizesuffix>): Likewise.
14843 (<avx512>_storeu<ssemodesuffix><avxsizesuffix>_mask): Likewise.
14844 (<sse2_avx_avx512f>_loaddqu<mode><mask_name>): Likewise.
14845 (*<sse2_avx_avx512f>_loaddqu<mode><mask_name>"): Likewise.
14846 (sse2_avx_avx512f>_storedqu<mode>): Likewise.
14847 (<avx512>_storedqu<mode>_mask): Likewise.
14848 (*sse4_2_pcmpestr_unaligned): Likewise.
14849 (*sse4_2_pcmpistr_unaligned): Likewise.
14850 (*mov<mode>_internal): Renamed to ...
14851 (mov<mode>_internal): This. Remove check of AVX and IAMCU on
14852 misaligned operand. Replace vmovdqu64 with vmovdqu<ssescalarsize>.
14853 (movsd/movhpd to movupd peephole): Don't use UNSPEC_LOADU.
14854 (movlpd/movhpd to movupd peephole): Don't use UNSPEC_STOREU.
14856 2016-04-19 Richard Biener <rguenther@suse.de>
14858 PR tree-optimization/70171
14859 * tree-ssa-phiprop.c: Include stor-layout.h.
14860 (phiprop_insert_phi): Handle the aggregate copy case.
14861 (propagate_with_phi): Likewise.
14863 2016-04-19 Uros Bizjak <ubizjak@gmail.com>
14865 * config/i386/i386.c (ix86_decompose_address): Use lowpart_subreg
14866 instead of simplify_gen_subreg (... , 0).
14867 (ix86_delegitimize_address): Ditto.
14868 (ix86_split_divmod): Ditto.
14869 (ix86_split_copysign_const): Ditto.
14870 (ix86_split_copysign_var): Ditto.
14871 (ix86_expand_args_builtin): Ditto.
14872 (ix86_expand_round_builtin): Ditto.
14873 (ix86_expand_special_args_builtin): Ditto.
14874 * config/i386/i386.md (TARGET_USE_VECTOR_FP_CONVERTS splitters): Ditto.
14875 (TARGET_SSE_PARTIAL_REG_DEPENDENCY splitters and peephole2s): Ditto.
14876 (udivmodqi4): Ditto.
14877 (absneg splitters): Ditto.
14878 (*jcc_bt<mode>_1): Ditto.
14880 2016-04-19 Richard Biener <rguenther@suse.de>
14882 PR tree-optimization/70724
14883 * tree-ssa-sccvn.c (scc_vn_restore_ssa_info): Split SSA info
14884 restoring out from ...
14885 (free_scc_vn): ... here.
14886 * tree-ssa-sccvn.h (scc_vn_restore_ssa_info): Declare.
14887 * tres-ssa-pre.c (pass_pre::execute): Restore SSA info before
14889 (pass_fre::execute): Restore SSA info.
14891 2016-04-19 Richard Biener <rguenther@suse.de>
14893 * gimple-walk.h (struct walk_stmt_info): Add stmt member.
14894 * gimple-walk.c (walk_gimple_op): Initialize it.
14895 (walk_gimple_asm): Set wi->is_lhs before each callback invocation.
14896 * tree-inline.c (remap_gimple_op_r): Set SSA_NAME_DEF_STMT when
14897 remapping SSA names of defs.
14898 (copy_bb): Remove walk over all SSA defs and SSA_NAME_DEF_STMT
14901 2016-04-18 Vladimir Makarov <vmakarov@redhat.com>
14903 PR middle-end/70689
14904 * lra-constraints.c (equiv_substition_p): New.
14905 (process_alt_operands): Use it.
14906 (swap_operands): Swap it.
14907 (curr_insn_transform): Update it.
14909 2016-04-18 Michael Matz <matz@suse.de>
14911 * tree.h (TYPE_ALIGN, DECL_ALIGN): Return shifted amount.
14912 (SET_TYPE_ALIGN, SET_DECL_ALIGN): New.
14913 * tree-core.h (tree_type_common.align): Use bit-field.
14914 (tree_type_common.spare): New.
14915 (tree_decl_common.off_align): Make smaller.
14916 (tree_decl_common.align): Use bit-field.
14918 * expr.c (expand_expr_addr_expr_1): Use SET_TYPE_ALIGN.
14919 * omp-low.c (install_var_field): Use SET_DECL_ALIGN.
14920 (scan_sharing_clauses): Ditto.
14921 (finish_taskreg_scan): Use SET_DECL_ALIGN and SET_TYPE_ALIGN.
14922 (omp_finish_file): Ditto.
14923 * stor-layout.c (do_type_align): Use SET_DECL_ALIGN.
14924 (layout_decl): Ditto.
14925 (relayout_decl): Ditto.
14926 (finalize_record_size): Use SET_TYPE_ALIGN.
14927 (finalize_type_size): Ditto.
14928 (finish_builtin_struct): Ditto.
14929 (layout_type): Ditto.
14930 (initialize_sizetypes): Ditto.
14931 * targhooks.c (std_gimplify_va_arg_expr): Use SET_TYPE_ALIGN.
14932 * tree-nested.c (insert_field_into_struct): Use SET_TYPE_ALIGN.
14933 (lookup_field_for_decl): Use SET_DECL_ALIGN.
14934 (get_chain_field): Ditto.
14935 (get_trampoline_type): Ditto.
14936 (get_nl_goto_field): Ditto.
14937 * tree-streamer-in.c (unpack_ts_decl_common_value_fields): Use
14939 (unpack_ts_type_common_value_fields): Use SET_TYPE_ALIGN.
14940 * gimple-expr.c (copy_var_decl): Use SET_DECL_ALIGN.
14941 * tree.c (make_node_stat): Use SET_DECL_ALIGN and SET_TYPE_ALIGN.
14942 (build_qualified_type): Use SET_TYPE_ALIGN.
14943 (build_aligned_type, build_range_type_1): Ditto.
14944 (build_atomic_base): Ditto.
14945 (build_common_tree_nodes): Ditto.
14946 * cfgexpand.c (align_local_variable): Use SET_DECL_ALIGN.
14947 (expand_one_stack_var_at): Ditto.
14948 * coverage.c (build_var): Use SET_DECL_ALIGN.
14949 * except.c (init_eh): Ditto.
14950 * function.c (assign_parm_setup_block): Ditto.
14951 * symtab.c (increase_alignment_1): Ditto.
14952 * tree-ssa-ccp.c (fold_builtin_alloca_with_align): Ditto.
14953 * tree-vect-stmts.c (ensure_base_align): Ditto.
14954 * varasm.c (align_variable): Ditto.
14955 (assemble_variable): Ditto.
14956 (build_constant_desc): Ditto.
14957 (output_constant_def_contents): Ditto.
14959 * config/arm/arm.c (arm_relayout_function): Use SET_DECL_ALIGN.
14960 * config/avr/avr.c (avr_adjust_type_node): Use SET_TYPE_ALIGN.
14961 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): Ditto.
14962 * config/msp430/msp430.c (msp430_gimplify_va_arg_expr): Ditto.
14963 * config/spu/spu.c (spu_build_builtin_va_list): Use SET_DECL_ALIGN.
14965 2016-04-18 H.J. Lu <hongjiu.lu@intel.com>
14968 * config/i386/sse.md (sse2_loadlpd): Accept load from "xm" and
14969 replace %vmovsd with "%vmovq".
14970 (vec_concatv2df): Likewise.
14972 2016-04-18 Uros Bizjak <ubizjak@gmail.com>
14974 * config/i386/mmx.md (*vec_extractv2sf_0): Use gen_lowpart.
14975 (*vec_extractv2si_0): Ditto.
14976 * config/i386/sse.md (*vec_extractv4sf_0): Ditto.
14977 (zero_extended_scalar_load_operand splitters): Ditto.
14978 (vec_extract splitters): Ditto.
14979 (*vec_extractv4si_0_zext): Ditto.
14980 (avx_<castmode><avxsizesuffix>_<castmode>): Use gen_lowpart
14981 and lowpart_subreg.
14982 (avx512f_<castmode><avxsizesuffix>_<castmode>): Ditto.
14983 (avx512f_<castmode><avxsizesuffix>_256<castmode>): Ditto.
14984 (*sse4_1_extractps): Use lowpart_subreg.
14985 * config/i386/i386.md (x87 floatsplitter): Use gen_lowpart.
14987 2016-04-18 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
14989 * doc/install.texi (Specific, i?86-*-solaris2.10): Update gas and
14991 (Specific, *-*-solaris2*): Update Solaris 11 bundled gcc versions.
14992 Mention Solaris 11 packaging changes.
14993 Update gas and gld requirements.
14994 Remove reference to pre-Solaris 10 bug.
14995 (Specific, sparc-sun-solaris2*): Remove reference to pre-Solaris 10
14997 (Specific, sparc64-*-solaris2*): Remove reference to bootstrap
15000 2016-04-17 Jan Hubicka <jh@suse.cz>
15002 * tree-ssa-loop-ivopts.c (avg_loop_niter): Use also
15003 max_loop_iterations_int.
15005 2016-04-18 Richard Biener <rguenther@suse.de>
15007 PR tree-optimization/43434
15008 * tree-ssa-structalias.c (struct vls_data): New.
15009 (visit_loadstore): Handle all pointer-based accesses.
15010 (compute_dependence_clique): Compute a bitmap of restrict tags
15011 assigned bases and pass it to visit_loadstore.
15013 2016-04-18 Matthew Wahab <matthew.wahab@arm.com>
15016 * config/arm/bpabi.h (BE8_LINK_SPEC): Add entries for armv8+crc,
15017 armv8.1-a and armv8.1-a+crc.
15019 2016-04-18 Richard Biener <rguenther@suse.de>
15021 PR tree-optimization/70701
15022 * tree-ssa-sccvn.c (vn_reference_lookup_3): Resolve fully constant
15023 references after translating through a memcpy.
15025 2016-04-18 Richard Biener <rguenther@suse.de>
15027 * tree-ssa-pre.c (postorder, postorder_num): Make locals ...
15028 (compute_antic): ... here. For partial antic use regular
15029 postorder and scrap iteration.
15030 (compute_partial_antic_aux): Remove unused return value.
15031 (init_pre): Do not allocate postorder.
15032 (fini_pre): Do not free postorder.
15034 2016-04-18 Richard Biener <rguenther@suse.de>
15036 PR middle-end/37870
15037 * expmed.c (extract_bit_field_1): Remove broken case
15038 using a wider MODE_INT mode.
15040 2016-04-18 Segher Boessenkool <segher@kernel.crashing.org>
15042 * has-brig.c (lendian16): Don't try to use __builtin_bswap16
15043 unless compiling with at least GCC-4.8.
15045 2016-04-17 Jan Hubicka <jh@suse.cz>
15048 * graphite.c (graphite_finalize): Update call to
15049 tree_estimate_probability.
15050 * predict.h (tree_estimate_probability): Update prototype.
15052 2016-04-17 Jan Hubicka <jh@suse.cz>
15054 * predict.c (combine_predictions_for_bb): Add dry_run parmaeter.
15055 (tree_estimate_probability): Likewise.
15056 (pass_profile::execute): Update.
15057 (report_predictor_hitrates): New function.
15058 * profile.c (compute_branch_probabilities): Use it.
15059 * predict.h (report_predictor_hitrates): Declare.
15061 2016-04-17 Jan Hubicka <jh@suse.cz>
15064 * cgraph.h (cgraph_node::set_const_flag,
15065 cgraph_node::set_pure_flag): Update prototype to return bool;
15067 * cgraph.c (cgraph_node::call_for_symbol_thunks_and_aliases): Thunks
15068 of interposable symbol are interposable, too.
15069 (cgraph_set_const_flag_1): Rename to ...
15070 (set_const_flag_1): ... this one; change to self recursive function
15071 instead of call_for_symbol_thunks_and_aliases. Handle correctly
15072 clearnig the flag in all variants and also virtual thunks of const
15073 functions are pure; track if any change was done.
15074 (cgraph_node::set_const_flag): Update.
15075 (struct set_pure_flag_info): New struct.
15076 (cgraph_set_pure_flag_1): Rename to ...
15077 (set_pure_flag_1): ... this one; take set_pure_flag_info parameter
15078 rather than pointer encoded flags; track if any changes was done;
15079 handle correctly clearning flag and setting flag of aliases already
15081 (cgraph_node::set_pure_flag): Update.
15082 (cgraph_node::set_nothrow_flag): Handle correctly clearning the flag.
15084 2016-04-17 Tom de Vries <tom@codesourcery.com>
15087 * pretty-print.c (pp_write_text_as_dot_label_to_stream): Escape
15088 backslash in label.
15090 2016-04-17 Tom de Vries <tom@codesourcery.com>
15092 * pretty-print.c (pp_write_text_as_dot_label_to_stream): Classify chars
15093 '{}<> ' as escape-for-record.
15095 2016-04-17 Tom de Vries <tom@codesourcery.com>
15097 * pretty-print.c (pp_write_text_as_dot_label_to_stream): Simplify loop
15100 2016-04-17 Tom de Vries <tom@codesourcery.com>
15103 * tree-pass.h (class opt_pass): Remove graph_dump_initialized member.
15104 * dumpfile.h (struct dump_file_info): Add graph_dump_initialized field.
15105 * dumpfile.c (dump_files): Initialize graph_dump_initialized field.
15106 * passes.c (finish_optimization_passes): Only call
15107 finish_graph_dump_file if dfi->graph_dump_initialized.
15108 (execute_function_dump, pass_init_dump_file): Use
15109 dfi->graph_dump_initialized instead of pass->graph_dump_initialized.
15111 2016-04-17 Tom de Vries <tom@codesourcery.com>
15113 PR tree-optimization/70256
15114 * tree-ssa-structalias.c (dump_varinfo, debug_varinfo, dump_varmap)
15115 (debug_varmap): New function.
15117 2016-04-17 Tom de Vries <tom@codesourcery.com>
15120 * passes.c (pass_manager::register_pass): Propagate pflags.
15122 2016-04-17 Tom de Vries <tom@codesourcery.com>
15125 * pass_manager.h (TERMINATE_PASS_LIST): Add pass argument.
15126 * passes.c (pass_manager::pass_manager): Declare and init p_start in
15127 INSERT_PASSES_AFTER. Add pass parameter to TERMINATE_PASS_LIST, and
15128 check if it's equal to p_start.
15129 * passes.def: Add arguments to TERMINATE_PASS_LISTs.
15131 2016-04-15 Jan Hubicka <jh@suse.cz>
15134 * cgraph.c (cgraph_set_const_flag_1): Only set as pure if
15135 function does not bind to current def.
15136 * ipa-pure-const.c (worse_state): Add FROM and TO parameters;
15137 handle conservatively calls to functions that does not need to bind
15139 (check_call): Update call of worse_state.
15140 (ignore_edge_for_nothrow): Update.
15141 (ignore_edge_for_pure_const): Likewise.
15142 (propagate_pure_const): Update calls to worse_state.
15143 (skip_function_for_local_pure_const): Reformat comments.
15145 2016-04-15 Jan Hubicka <jh@suse.cz>
15148 * cgraph.c (cgraph_node::get_availability): Add REF parameter.
15149 (cgraph_node::function_symbol): Likewise.
15150 (cgraph_node::function_or_virtual_thunk_symbol): Likewise.
15151 * cgraph.h (symtab_node::get_availabbility): Add REF parameter.
15152 (symtab_node::ultimate_alias_target): Add REF parameter.
15153 (symtab_node::binds_to_current_def_p): Declare.
15154 (symtab_node;:ultimate_alias_target_1): Add REF parameter.
15155 (cgraph_node::function_symbol): Likewise.
15156 (cgraph_node::function_or_virtual_thunk_symbol): Likewise.
15157 (cgraph_node::get_availability): Likewise.
15158 (cgraph_edge::binds_to_current_def_p): New inline function.
15159 (varpool_node::get_availability): Add REF parameter.
15160 (varpool_node::ultimate_alias_target): Likewise.
15161 * symtab.c (symtab_node::ultimate_alias_target_1): Likewise.
15162 (symtab_node::binds_to_current_def_p): Likewise.
15163 * varpool.c (varpool_node::get_availability): Likewise.
15165 2016-04-15 Kirill Yukhin <kirill.yukhin@intel.com>
15168 * config/i386/sse.md(define_insn "<avx512>_vec_dup<mode><mask_name>"):
15169 Fix mode size check.
15171 2016-04-15 Jakub Jelinek <jakub@redhat.com>
15173 * BASE-VER: Set to 7.0.0.
15175 2016-04-15 Alexander Monakov <amonakov@ispras.ru>
15177 * config/nvptx/nvptx.opt (moptimize): Add a period at end of help text.
15179 2016-04-15 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
15181 * doc/invoke.texi (ARM Options): Add note on deprecation of pre-ARMv4T
15182 architecture revisions.
15184 2016-04-15 Bernd Schmidt <bschmidt@redhat.com>
15186 * config/i386/i386-protos.h (ix86_using_red_zone): Declare.
15187 * config/i386/i386.c (ix86_using_red_zone): No longer static.
15188 * config/i386/i386.md (stack decrement to push peepholes): Guard
15189 with !x86_using_red_zone ().
15191 2016-04-15 Jakub Jelinek <jakub@redhat.com>
15194 * tree-pretty-print.c (do_niy): Add FLAGS argument, pass it down
15195 to dump_generic_node.
15196 (NIY): Pass also flags to do_niy.
15198 2016-04-15 Thomas Schwinge <thomas@codesourcery.com>
15200 * omp-low.c (simd_clone_struct_alloc, simd_clone_struct_copy)
15201 (simd_clone_vector_of_formal_parm_types)
15202 (simd_clone_clauses_extract, simd_clone_compute_base_data_type)
15203 (simd_clone_mangle, simd_clone_create)
15204 (simd_clone_adjust_return_type, create_tmp_simd_array)
15205 (simd_clone_adjust_argument_types, simd_clone_init_simd_arrays)
15206 (struct modify_stmt_info, ipa_simd_modify_stmt_ops)
15207 (ipa_simd_modify_function_body, simd_clone_linear_addend)
15208 (simd_clone_adjust, expand_simd_clones, ipa_omp_simd_clone)
15209 (pass_data_omp_simd_clone, class pass_omp_simd_clone)
15210 (pass_omp_simd_clone::gate, make_pass_omp_simd_clone): Move into...
15211 * omp-simd-clone.c: ... this new file.
15212 (simd_clone_vector_of_formal_parm_types): Make it static.
15213 * Makefile.in (OBJS): Add omp-simd-clone.o.
15215 2016-04-15 Kirill Yukhin <kirill.yukhin@intel.com>
15218 * config/i386/sse.md: Use proper memory operand modifiers.
15221 2016-04-15 Richard Biener <rguenther@suse.de>
15222 Alan Modra <amodra@gmail.com>
15224 PR tree-optimization/70130
15225 * tree-vect-data-refs.c (vect_supportable_dr_alignment): Detect
15226 when alignment stays not the same and no not use the realign
15229 2016-04-14 Michael Meissner <meissner@linux.vnet.ibm.com>
15232 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add
15233 direct move handlers for KFmode. Change TFmode handlers test from
15234 FLOAT128_IEEE_P to FLOAT128_VECTOR_P.
15236 2016-04-14 Jakub Jelinek <jakub@redhat.com>
15239 * ipa-utils.h (polymorphic_ctor_dtor_p): New prototype.
15240 * ipa-polymorphic-call.c (polymorphic_ctor_dtor_p): New function.
15241 (inlined_polymorphic_ctor_dtor_block_p): Use it.
15242 * tree-ssa-live.c (remove_unused_scope_block_p): When
15243 in_ctor_dtor_block, avoid discarding not just BLOCKs with
15244 BLOCK_ABSTRACT_ORIGIN being FUNCTION_DECL, but even when
15245 block_ultimate_origin is FUNCTION_DECL.
15246 (remove_unused_locals): If current_function_decl is
15247 polymorphic_ctor_dtor_p, pass initial true to
15248 remove_unused_scope_block_p' is_ctor_dtor_block.
15250 2016-04-14 Martin Sebor <msebor@redhat.com>
15255 * doc/extend.texi (Variable Length): Revert.
15257 2016-04-14 Marek Polacek <polacek@redhat.com>
15258 Jan Hubicka <hubicka@ucw.cz>
15261 * tree.c (verify_type): Disable the canonical type of main variant
15264 2016-04-14 Jason Merrill <jason@redhat.com>
15266 * cfgexpand.c, expr.c: Revert previous change.
15268 2016-04-14 Cesar Philippidis <cesar@codesourcery.com>
15270 PR middle-end/70643
15271 * omp-low.c (lower_oacc_reductions): Check for TREE_CONSTANT
15272 when building a mem ref for the incoming reduction variable.
15274 2016-04-14 Richard Biener <rguenther@suse.de>
15276 PR tree-optimization/70614
15277 * tree-scalar-evolution.c (analyze_evolution_in_loop): Terminate
15278 loop if the evolution dropped to chrec_dont_know.
15279 (interpret_condition_phi): Likewise.
15281 2016-04-14 Richard Biener <rguenther@suse.de>
15283 PR tree-optimization/70623
15284 * tree-ssa-pre.c (changed_blocks): Make global ...
15285 (compute_antic): ... local here. Move and fix worklist
15286 handling here. Do not clear EDGE_DFS_BACK or call mark_dfs_back_edges.
15287 (compute_antic_aux): Add dumping for MAX assumed succs. Remove
15288 worklist handling, dump when ANTIC_IN changed.
15289 (compute_partial_antic_aux): Remove worklist handling.
15290 (init_pre): Do not compute post dominators. Add a comment about
15291 the CFG order chosen.
15292 (fini_pre): Do not free post dominators.
15294 2016-04-13 Martin Sebor <msebor@redhat.com>
15299 * doc/extend.texi (Variable Length): Document C++ specifics.
15301 2016-04-13 Jakub Jelinek <jakub@redhat.com>
15304 * ipa-pure-const.c (pass_nothrow::execute): Call maybe_clean_eh_stmt
15305 on all recursive call stmts. Return TODO_cleanup_cfg if any dead
15306 eh edges have been purged.
15309 * tree-sra.c (create_access_replacement,
15310 get_replaced_param_substitute): Set DECL_NAMELESS on repl if it
15312 * tree-pretty-print.c (dump_fancy_name): New function.
15313 (dump_decl_name, dump_generic_node): Use it.
15315 2016-04-13 Jason Merrill <jason@redhat.com>
15317 * cfgexpand.c (pass_expand::execute): Handle attribute "abi warning".
15318 * expr.c (expand_expr_real_1): Likewise.
15320 2016-04-13 Ilya Enkovich <ilya.enkovich@intel.com>
15322 * config/i386/i386.md (kunpckhi): Swap operands.
15323 (kunpcksi): Likewise.
15324 (kunpckdi): Likewise.
15325 * config/i386/sse.md (vec_pack_trunc_qi): Likewise.
15326 (vec_pack_trunc_<mode>): Likewise.
15328 2016-04-13 Jakub Jelinek <jakub@redhat.com>
15331 * explow.c (convert_memory_address_addr_space_1): Formatting fix.
15333 PR middle-end/70633
15334 * gimplify.c (gimplify_init_constructor): Clear TREE_STATIC if
15335 gimplification turns some element into non-constant.
15338 * rtl.h (convert_memory_address_addr_space_1): New prototype.
15339 * explow.c (convert_memory_address_addr_space_1): No longer static,
15340 add NO_EMIT argument and don't call convert_modes if true, pass
15341 it down recursively, remove break after return.
15342 (convert_memory_address_addr_space): Adjust caller.
15343 * simplify-rtx.c (simplify_unary_operation_1): Call
15344 convert_memory_address_addr_space_1 instead of convert_memory_address,
15345 if it returns NULL, don't simplify.
15347 2016-04-12 Eric Botcazou <ebotcazou@adacore.com>
15350 * config/sparc/sparc.c (sparc_compute_frame_size): Add parentheses.
15352 2016-04-12 Jakub Jelinek <jakub@redhat.com>
15354 * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
15355 Bump the upper SIMDLEN limits, so that if the return type or
15356 characteristic type if the return type is void can be passed in
15357 all available SSE2/AVX/AVX2/AVX512-F registers, the SIMDLEN is
15360 2016-04-12 Michael Meissner <meissner@linux.vnet.ibm.com>
15363 * config/rs6000/rs6000.md (ieee_128bit_vsx_neg<mode>2_internal):
15364 Do not use "=" constraint on an input constraint.
15365 (ieee_128bit_vsx_abs<mode>2_internal): Likewise.
15366 (ieee_128bit_vsx_nabs<mode>2_internal): Likewise.
15367 (ieee_128bit_vsx_nabs<mode>2): Correct splitter so that it
15368 generates (neg (abs ...)) instead of (abs ...).
15370 2016-04-12 Jakub Jelinek <jakub@redhat.com>
15372 PR rtl-optimization/70596
15373 * lra-spills.c (spill_pseudos): Don't delete debug insns, instead
15374 just invalidate LRA data and reset them. Adjust dump wording.
15376 2016-04-12 Martin Liska <mliska@suse.cz>
15379 2016-03-30 Jan Hubicka <hubicka@ucw.cz>
15381 * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can't get realistic
15383 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
15384 max_loop_iterations_int.
15385 (tree_unswitch_outer_loop): Likewise.
15386 * tree-ssa-loop-ivopts.c (avg_loop_niter): Likewise.
15387 * tree-vect-loop.c (vect_analyze_loop_2): Likewise.
15389 2016-04-12 Tom de Vries <tom@codesourcery.com>
15391 PR tree-optimization/68756
15392 * graphite-isl-ast-to-gimple.c (copy_cond_phi_args): Use new_expr
15393 instead of new_name.
15395 2016-04-12 Jakub Jelinek <jakub@redhat.com>
15397 PR tree-optimization/70602
15398 * tree-sra.c (generate_subtree_copies): Don't write anything into
15399 constant pool decls.
15401 * omp-low.c (lower_omp_target): Use GOMP_MAP_FIRSTPRIVATE_INT
15402 regardless whether there are depend clauses or not.
15404 2016-04-11 Michael Meissner <meissner@linux.vnet.ibm.com>
15407 * config/rs6000/rs6000.c (rs6000_opt_masks): Disable using the
15408 target attribute and pragma from changing the -mfloat128
15409 and -mfloat128-hardware options.
15411 * doc/extend.texi (Additional Floating Types): Document PowerPC
15412 __float128 restrictions.
15414 2016-04-11 James Greenhalgh <james.greenhalgh@arm.com>
15417 * config/aarch64/driver-aarch64.c
15418 (aarch64_get_extension_string_for_isa_flags): New.
15419 (arch_extension): Rename to...
15420 (aarch64_arch_extension): ...This.
15421 (ext_to_feat_string): Rename to...
15422 (aarch64_extensions): ...This.
15423 (aarch64_core_data): Keep track of architecture extension flags.
15424 (cpu_data): Rename to...
15425 (aarch64_cpu_data): ...This.
15426 (aarch64_arch_driver_info): Keep track of architecture extension
15428 (get_arch_name_from_id): Rename to...
15429 (get_arch_from_id): ...This, change return type.
15430 (host_detect_local_cpu): Update and reformat for renames, handle
15431 extensions through common infrastructure.
15433 2016-04-11 James Greenhalgh <james.greenhalgh@arm.com>
15436 * config/aarch64/aarch64-common.c (aarch64_option_extension): Keep
15437 track of a canonical flag name.
15438 (all_extensions): Likewise.
15439 (arch_to_arch_name): Also track extension flags enabled by the arch.
15440 (all_architectures): Likewise.
15441 (aarch64_parse_extension): Move to here.
15442 (aarch64_get_extension_string_for_isa_flags): Take a new argument,
15444 (aarch64_rewrite_selected_cpu): Update for above change.
15445 * config/aarch64/aarch64-option-extensions.def: Rework the way flags
15446 are handled, such that the single explicit value enabled by an
15447 extension is kept seperate from the implicit values it also enables.
15448 * config/aarch64/aarch64-protos.h (aarch64_parse_opt_result): Move
15450 (aarch64_parse_extension): New.
15451 * config/aarch64/aarch64.c (aarch64_parse_opt_result): Move from
15452 here to config/aarch64/aarch64-protos.h.
15453 (aarch64_parse_extension): Move from here to
15454 common/config/aarch64/aarch64-common.c.
15455 (aarch64_option_print): Update.
15456 (aarch64_declare_function_name): Likewise.
15457 (aarch64_start_file): Likewise.
15458 * config/aarch64/driver-aarch64.c (arch_extension): Keep track of
15459 the canonical flag for extensions.
15460 * config.gcc (aarch64*-*-*): Extend regex for capturing extension
15463 2016-04-11 James Greenhalgh <james.greenhalgh@arm.com>
15465 * config/aarch64/aarch64.h (AARCH64_FL_FOR_ARCH8_1): Also add
15468 2016-04-09 Tom de Vries <tom@codesourcery.com>
15470 PR tree-optimization/68953
15471 * graphite-sese-to-poly.c (pdr_add_memory_accesses): Order accesses from
15472 first to last subscript.
15474 2016-04-09 Jakub Jelinek <jakub@redhat.com>
15476 PR tree-optimization/70586
15477 * tree-ssa-ifcombine.c (bb_no_side_effects_p): Return false
15480 2016-04-08 Cesar Philippidis <cesar@codesourcery.com>
15484 PR tree-optimization/70373
15485 PR middle-end/70533
15486 PR middle-end/70534
15487 PR middle-end/70535
15488 * gimplify.c (gimplify_adjust_omp_clauses): Add or adjust data
15489 clauses for acc parallel reductions as necessary. Error on those
15491 * omp-low.c (scan_sharing_clauses): Don't install variables which
15492 are used in acc parallel reductions.
15493 (lower_rec_input_clauses): Remove dead code.
15494 (lower_oacc_reductions): Add support for reference reductions.
15495 (lower_reduction_clauses): Remove dead code.
15496 (lower_omp_target): Don't remap variables appearing in acc parallel
15498 * tree.h (OMP_CLAUSE_MAP_IN_REDUCTION): New macro.
15500 2016-04-08 Jakub Jelinek <jakub@redhat.com>
15502 PR middle-end/70593
15503 * tree-ssa-coalesce.c (build_ssa_conflict_graph): For stmt
15504 with multiple SSA_NAME defs, force the outputs other than first
15505 to be live before calling live_track_process_def on each output.
15507 PR rtl-optimization/70574
15508 * fwprop.c (forward_propagate_and_simplify): Don't add
15509 REG_EQUAL note if DF_REF_REG (use) is a paradoxical subreg.
15510 (try_fwprop_subst): Don't add REG_EQUAL note if there are any
15511 paradoxical subregs within *loc.
15513 2016-04-08 Thomas Schwinge <thomas@codesourcery.com>
15515 * config/arc/arc.h (LINK_COMMAND_SPEC): Use gt to ignore
15516 -ftree-parallelize-loops={0,1}.
15517 * config/darwin.h (LINK_COMMAND_SPEC_A): Likewise.
15518 * config/i386/mingw32.h (GOMP_SELF_SPECS): Likewise.
15519 * config/ia64/hpux.h (LIB_SPEC): Likewise.
15520 * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
15521 * config/pa/pa64-hpux.h (LIB_SPEC): Likewise.
15523 2016-04-08 Maxim Ostapenko <m.ostapenko@samsung.com>
15526 * asan.c (instrument_derefs): If we get unknown location, extract it
15527 with EXPR_LOCATION.
15528 (maybe_instrument_call): Instrument gimple_call's arguments if needed.
15530 2016-04-08 Tom de Vries <tom@codesourcery.com>
15532 * omp-low.c (lower_omp_target): Set TREE_NO_WARNING for oacc
15533 implicit firstprivate clause.
15535 2016-04-08 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
15538 * config/arm/thumb2.md (tst + branch-> lsls + branch
15539 peephole below *orsi_not_shiftsi_si): Require that condition
15540 register is dead after the peephole.
15541 (second peephole after the above): Likewise.
15543 2016-04-08 Alan Modra <amodra@gmail.com>
15546 * builtins.c (fold_builtin_classify): For IBM extended precision,
15547 look at just the high-order double to test for NaN.
15548 (fold_builtin_interclass_mathfn): Similarly for Inf. For isnormal
15549 test just the high double for Inf but both doubles for subnormal
15552 2016-04-07 Jakub Jelinek <jakub@redhat.com>
15554 * cgraph.h (struct cgraph_simd_clone): Add mask_mode field.
15555 * omp-low.c (simd_clone_init_simd_arrays, simd_clone_adjust): Handle
15556 node->simdclone->mask_mode != VOIDmode masks.
15557 (simd_clone_adjust_argument_types): Likewise. Move sc var definition
15558 earlier, use it instead of node->simdclone.
15559 * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
15560 Set clonei->mask_mode.
15562 2016-04-06 Patrick Palka <ppalka@gcc.gnu.org>
15565 * parser.c (cp_parser_iteration_statement): New parameter IF_P.
15566 Pass it through to cp_parser_already_scoped_statement.
15567 (cp_parser_already_scoped_statement): New parameter IF_P. Pass
15568 it through to cp_parser_statement.
15569 (cp_parser_statement): Pass IF_P through to
15570 cp_parser_iteration_statement.
15571 (cp_parser_pragma): Adjust call to
15572 cp_parser_iteration_statement.
15574 2016-04-06 Patrick Palka <ppalka@gcc.gnu.org>
15577 * gimplify.c (gimplify_omp_ordered): Add explicit braces to
15578 resolve a future -Wparentheses warning.
15579 * omp-low.c (scan_sharing_clauses): Likewise.
15580 * tree-parloops.c (eliminate_local_variables): Likewise.
15582 2016-04-06 Vladimir Makarov <vmakarov@redhat.com>
15584 PR rtl-optimization/70398
15585 * lra-constraints.c (process_address_1): Check zero scale and code
15586 for reloading with zero scale.
15588 2016-04-06 Uros Bizjak <ubizjak@gmail.com>
15590 * config/i386/sse.md (shuffletype): Add V32HI and V4TI modes.
15591 (ssescalarsize): Add V8SF, V4SF, V4DF and V2DF modes.
15593 2016-04-06 Jakub Jelinek <jakub@redhat.com>
15595 * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
15596 Add support for AVX512F clones, include them by default for
15597 exported OpenMP declare simd functions. For AVX2 allow simdlen 32
15598 and use it if charasteric type is 8-bit, for AVX512F allow simdlen
15601 PR middle-end/70550
15602 * tree.h (OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT): Define.
15603 * gimplify.c (gimplify_adjust_omp_clauses_1): Set it for implicit
15604 firstprivate clauses.
15605 * omp-low.c (lower_send_clauses): Set TREE_NO_WARNING for
15606 OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT !by_ref vars in task contexts.
15607 (lower_omp_target): Set TREE_NO_WARNING for
15608 non-addressable possibly uninitialized vars which are copied into
15609 addressable temporaries or copied for GOMP_MAP_FIRSTPRIVATE_INT.
15611 2016-04-05 John David Anglin <danglin@gcc.gnu.org>
15613 * config/pa/predicates.md (integer_store_memory_operand): Accept
15614 REG+D operands with a large offset when reload_in_progress is true.
15615 (floating_point_store_memory_operand): Likewise.
15617 2016-04-05 Jakub Jelinek <jakub@redhat.com>
15620 * match.pd (nested int casts): Limit to GIMPLE.
15622 2016-04-05 Jan Hubicka <hubicka@ucw.cz>
15625 * ipa-devirt.c (maybe_record_node): Fix comment; use
15626 SANITIZE_UNREACHABLE instead of SANITIZE_UNDEFINED.
15628 2016-04-05 Jakub Jelinek <jakub@redhat.com>
15630 PR rtl-optimization/70542
15631 * ree.c (add_removable_extension): For VECTOR_MODE_P punt
15632 if there are any uses other than insn or debug insns.
15634 2016-04-05 Marc Glisse <marc.glisse@inria.fr>
15635 Jakub Jelinek <jakub@redhat.com>
15637 PR tree-optimization/70509
15638 * simplify-rtx.c (simplify_binary_operation_1) <case VEC_SELECT>:
15639 Shift HOST_WIDE_INT_1U instead of 1.
15641 2016-04-05 Zdenek Sojka <zsojka@seznam.cz>
15643 PR tree-optimization/70509
15644 * tree-ssa-forwprop.c (simplify_bitfield_ref): Use bitsize_int instead
15645 of the vector base type for index.
15647 2016-04-05 Uros Bizjak <ubizjak@gmail.com>
15650 * config/i386/sse.md (iptr): Add V64QI, V32HI, V16SI and V8DI modes.
15652 2016-04-05 Richard Biener <rguenther@suse.de>
15654 PR tree-optimization/70526
15655 * tree-sra.c (build_ref_for_offset): Use prev_base to
15656 extract the alias pointer type.
15658 2016-04-05 Richard Biener <rguenther@suse.de>
15660 * dse.c (struct store_info): Remove alias_set member.
15661 (struct read_info_type): Likewise.
15662 (clear_alias_group, clear_alias_mode_table, clear_alias_mode_holder,
15663 spill_deleted, clear_alias_set_lookup): Remove.
15664 (get_group_info): Remove dead base == NULL_RTX case.
15665 (dse_step0): Remove initialization of removed variables.
15666 (delete_dead_store_insn): Reomve alias set dumping.
15667 (free_read_records): Remove alias_set handling.
15668 (canon_address): Remove alias_set_out parameter.
15669 (record_store): Remove spill_alias_set, it's always zero.
15670 (check_mem_read_rtx): Likewise.
15671 (dse_step2): Rename from ...
15672 (dse_step2_nospill): ... this. Adjust.
15673 (scan_stores): Rename from ...
15674 (scan_stores_nospill): ... this.
15675 (scan_reads): Rename from ...
15676 (scan_reads_nospill): ... this.
15677 (scan_stores_spill, scan_reads_spill): Remove.
15678 (dse_step3_scan): Remove for_spills argument which is always false.
15679 (dse_step3): Likewise.
15680 (dse_step5): Rename from ...
15681 (dse_step5_nospill): ... this. Remove alias_set handling.
15682 (rest_of_handle_dse): Adjust.
15684 2016-04-05 Jakub Jelinek <jakub@redhat.com>
15687 * config/i386/sse.md (*andnot<mode>3): Simplify assertions.
15688 Use vpandn<ssemodesuffix> for V16SI/V8DImode, vpandnq for
15689 V32HI/V64QImode, don't use <mask_operand3_1>, fix up formatting.
15690 (*andnot<mode>3_mask): Remove insn with VI12_AVX512VL iterator.
15692 2016-04-05 Richard Biener <rguenther@suse.de>
15694 PR middle-end/70499
15695 * gimplify-me.c (gimple_regimplify_operands): Do not rewrite
15696 non-register type temporaries into SSA.
15698 2016-04-04 Jan Hubicka <hubicka@ucw.cz>
15701 * ipa-devirt.c (maybe_record_node): Do not optimize cxa_pure_virtual
15702 calls when sanitizing.
15703 (possible_polymorphic_call_target_p): Fix formatting.
15705 2016-04-04 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
15706 Jakub Jelinek <jakub@redhat.com>
15708 PR middle-end/70457
15709 * tree-inline.c (estimate_num_insn): Use gimple_call_builtin_p
15710 to ensure a call statement is compatible with a built-in's
15712 * tree-ssa-math-opts.c (pass_optimize_windening_mul::execute):
15715 2016-04-04 Richard Biener <rguenther@suse.de>
15717 PR rtl-optimization/70484
15718 * rtl.h (canon_output_dependence): Declare.
15719 * alias.c (canon_output_dependence): New function.
15720 * dse.c (record_store): Use canon_output_dependence rather
15721 than canon_true_dependence.
15723 2016-03-30 Jan Hubicka <hubicka@ucw.cz>
15726 * cgraph.h (symtab_node::copy_visibility_from): New function.
15727 * symtab.c (symtab_node::copy_visibility_from): New function.
15728 * ipa-visibility.c (optimize_weakref): New function.
15729 (function_and_variable_visibility): Use it.
15731 2016-04-04 Martin Liska <mliska@suse.cz>
15734 * hsa-gen.c (gen_hsa_insns_for_switch_stmt): Guard index
15735 value that is really in range handled by SBR instruction.
15736 * hsa-brig.c (emit_switch_insn): Do not emit unconditional jump.
15737 * hsa-dump.c (dump_hsa_insn_1): Do not dump default BB.
15738 * hsa.h (hsa_insn_sbr::m_default_bb): Remove field.
15740 2016-04-03 Oleg Endo <olegendo@gcc.gnu.org>
15744 * config/sh/sh.md (*addsi3): Allow pattern when reload_in_progress is
15745 set, but not for SP_REG operands.
15747 2016-04-02 Martin Sebor <msebor@redhat.com>
15750 * fold-const.c (maybe_nonzero_address): New function.
15751 (fold_comparison): Call it. Fold equality and relational
15752 expressions involving null pointers.
15753 (tree_single_nonzero_warnv_p): Call maybe_nonzero_address.
15755 2016-03-31 Evandro Menezes <e.menezes@samsung.com>
15757 Fix the predicate "aarch64_simd_reg_or_zero" to correctly validate
15758 the "Y" constraint (scalar FP 0.0 immediate).
15760 * config/aarch64/predicates.md (aarch64_simd_reg_or_zero):
15761 Add the "const_double" to the list of operand constraints.
15763 2016-04-01 Jakub Jelinek <jakub@redhat.com>
15765 PR rtl-optimization/70467
15766 * config/i386/i386.md (*add<dwi>3_doubleword, *sub<dwi>3_doubleword):
15767 If low word of the last operand is 0, just emit addition/subtraction
15770 2016-04-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
15773 * config/s390/s390.c (s390_expand_insv): Check for everything
15774 constant instead of just VOIDmode stuff.
15776 2016-04-01 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
15779 * config/arm/arm.h (ASM_APP_OFF): Handle TARGET_ARM and TARGET_THUMB.
15781 2016-04-01 Nathan Sidwell <nathan@acm.org>
15783 * tree.def (TRY_CATCH_EXPR): Correct documentation.
15785 2016-03-31 Vladimir Makarov <vmakarov@redhat.com>
15787 PR rtl-optimization/70461
15788 * ira-color.c (allocno_copy_cost_saving): Use allocno class if it
15791 2016-03-31 Martin Liska <mliska@suse.cz>
15794 * hsa-brig.c (hsa_op_immed::emit_to_buffer): Emit either
15795 a tree value or an immediate integer value to a buffer
15796 that is eventually copied to a BRIG section.
15797 (emit_immediate_operand): Call the function here.
15798 * hsa-dump.c (dump_hsa_immed): Remove checking assert.
15799 * hsa-gen.c (hsa_op_immed::hsa_op_immed): Remove initialization
15800 of class' fields that are removed.
15801 (hsa_op_immed::~hsa_op_immed): Remove deinitialization.
15802 * hsa.h (class hsa_op_immed): Remove m_brig_repr and
15803 m_brig_repr_size fields.
15805 2016-03-31 Martin Liska <mliska@suse.cz>
15808 * hsa-gen.c (hsa_function_representation::update_dominance): New
15810 (convert_addr_to_flat_segment): Likewise.
15811 (gen_hsa_memory_set): New alignment argument.
15812 (gen_hsa_ctor_assignment): Likewise.
15813 (gen_hsa_insns_for_single_assignment): Provide alignment
15814 to gen_hsa_ctor_assignment.
15815 (gen_hsa_insns_for_direct_call): Add new argument.
15816 (expand_lhs_of_string_op): New function.
15817 (expand_string_operation_builtin): Likewise.
15818 (expand_memory_copy): New function.
15819 (expand_memory_set): New function.
15820 (gen_hsa_insns_for_call): Use HOST_WIDE_INT.
15821 (convert_switch_statements): Change signature.
15822 (generate_hsa): Use a return value of the function.
15823 (pass_gen_hsail::execute): Do not call
15824 convert_switch_statements here.
15825 * hsa-regalloc.c (hsa_regalloc): Call update_dominance.
15826 * hsa.h (hsa_function_representation::m_modified_cfg): New flag.
15827 (hsa_function_representation::update_dominance): New function.
15829 2016-03-31 Martin Liska <mliska@suse.cz>
15832 * hsa-brig.c (emit_directive_variable): Emit alignment
15833 according to hsa_symbol::m_align.
15834 * hsa-dump.c (hsa_byte_alignment): Move the function to another file.
15835 (dump_hsa_symbol): Dump alignment of HSA symbols.
15836 * hsa-gen.c (get_symbol_for_decl): Set-up alignment of a symbol.
15837 (gen_hsa_addr_with_align): New function.
15838 (hsa_bitmemref_alignment): Use newly added function.
15839 (gen_hsa_insns_for_load): Likewise.
15840 (gen_hsa_insns_for_store): Likewise.
15841 (gen_hsa_memory_copy): New argument added.
15842 (gen_hsa_insns_for_single_assignment): Respect
15843 alignment for assignments processed via gen_hsa_memory_copy.
15844 (gen_hsa_insns_for_direct_call): Likewise.
15845 (gen_hsa_insns_for_return): Likewise.
15846 (gen_function_def_parameters): Set default alignment.
15847 * hsa.c (hsa_object_alignment): New function.
15848 (hsa_byte_alignment): Pasted function.
15849 * hsa.h (hsa_symbol::m_align): New field.
15851 2016-03-31 Bin Cheng <bin.cheng@arm.com>
15853 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Initialize
15854 scratch field for goto case.
15856 2016-03-31 James Greenhalgh <james.greenhalgh@arm.com>
15858 * config/arm/linux-elf.h (ASM_OUTPUT_DEF): Delete.
15860 2016-03-31 Ilya Enkovich <enkovich.gnu@gmail.com>
15863 * config/i386/i386.c (scalar_chain::convert_op): Fix description.
15864 (scalar_chain::convert_insn): Call convert_op for reg
15865 moves to handle undefined registers.
15867 2016-03-31 Nathan Sidwell <nathan@acm.org>
15870 * varasm.c (output_constructor_regular_field): Flush bitfield earlier.
15871 Assert we don't want to move backwards.
15873 2016-03-31 Kirill Yukhin <kirill.yukhin@intel.com>
15876 * config/i386/sse.md (define_mode_attr shuffletype): Fix typo.
15878 2016-03-31 Jakub Jelinek <jakub@redhat.com>
15880 PR rtl-optimization/70460
15881 * ira.c (indirect_jump_optimize): Don't substitute LABEL_REF
15882 with operand from REG_LABEL_OPERAND, instead substitute
15883 SET_SRC or REG_EQUAL note content if it is a LABEL_REF.
15884 Don't do anything for REG_NON_LOCAL_GOTO jumps.
15886 2016-03-31 Martin Liska <mliska@suse.cz>
15888 * passes.c (execute_one_pass): Do not call
15889 todo_after for a discarded function.
15891 2016-03-31 Bin Cheng <bin.cheng@arm.com>
15893 * tree-ssa-loop-ivopts.c (struct comp_cost): New scrach field.
15894 (no_cost, infinite_cost): Initialize the new field.
15895 (get_computation_cost_at): Record setup cost.
15896 (determine_use_iv_cost_address): Skip cost computation for sub
15897 uses if we can estimate it without losing accuracy.
15899 2016-03-30 Jan Hubicka <hubicka@ucw.cz>
15901 * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can't get realistic
15903 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
15904 max_loop_iterations_int.
15905 (tree_unswitch_outer_loop): Likewise.
15906 * tree-ssa-loop-ivopts.c (avg_loop_niter): Likewise.
15907 * tree-vect-loop.c (vect_analyze_loop_2): Likewise.
15909 2016-03-30 Richard Biener <rguenther@suse.de>
15911 PR middle-end/70450
15912 * fold-const.c (extract_muldiv_1): Fix thinko in wide_int::from usage.
15914 2016-03-30 Jakub Jelinek <jakub@redhat.com>
15917 * config/i386/i386.c (ix86_expand_vector_set): Fix up argument order
15918 in gen_blendm expander.
15920 2016-03-30 Nick Clifton <nickc@redhat.com>
15923 * config/arm/arm.c (arm_reload_out_hi): Add code to handle the
15924 case where we are already provided with an SImode SUBREG.
15926 2016-03-30 H.J. Lu <hongjiu.lu@intel.com>
15929 * config/i386/i386.c (ix86_expand_epilogue): Properly check
15930 conflict between DRAP register and __builtin_eh_return.
15932 2016-03-30 Michael Matz <matz@suse.de>
15933 Richard Biener <rguenther@suse.de>
15936 * ipa-polymorphic-call.c (struct type_change_info): Change
15937 speculative to an unsigned allowing to limit the work we do.
15938 (csftc_abort_walking_p): New inline function..
15939 (check_stmt_for_type_change): Limit the number of may-defs
15940 skipped for speculative devirtualization to
15941 max-speculative-devirt-maydefs.
15942 * params.def (max-speculative-devirt-maydefs): New param.
15943 * doc/invoke.texi (--param max-speculative-devirt-maydefs): Document.
15945 2016-03-30 Mike Stump <mrs@gcc.gnu.org>
15948 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Use when profiling
15951 2016-03-30 Patrick Palka <ppalka@gcc.gnu.org>
15953 PR tree-optimization/59124
15954 * tree-vrp.c (register_edge_assert_for_2): For NAME != CST1
15955 where NAME = A +- CST2 add the assertion A != (CST1 -+ CST2).
15957 2016-03-29 Jeff Law <law@redhat.com>
15959 * tree-ssa-coalesce.c (struct ssa_conflicts): Fix typo in comment.
15961 2016-03-10 Jan Hubicka <hubicka@ucw.cz>
15963 * tree-ssa-loop-ivcanon.c (try_peel_loop): Change type of peel
15966 2016-03-29 Thomas Schwinge <thomas@codesourcery.com>
15968 * config/gnu.h (CPP_SPEC, LIB_SPEC): Don't override.
15969 * config/i386/gnu.h (STARTFILE_SPEC): Use gcrt1.o instead of
15970 gcrt0.o if linking dynamically.
15972 2016-03-10 Jan Hubicka <hubicka@ucw.cz>
15975 * ipa-devirt.c (methods_equal_p): New function.
15976 (compare_virtual_tables): Use it.
15977 * cgraph.h (symbol_table::symbol_suffix_separator): Declare.
15978 * cgraphclones.c (clone_function_name_1): Use
15979 symbol_table::symbol_suffix_separator.
15980 * coverage.c (build_var): Likewise.
15981 * symtab.c (symbol_table::symbol_suffix_separator): New.
15983 2016-03-29 Jakub Jelinek <jakub@redhat.com>
15985 PR rtl-optimization/70429
15986 * combine.c (simplify_shift_const_1): For ASHIFTRT don't optimize
15987 (cst1 >> count) >> cst2 into (cst1 >> cst2) >> count if
15988 mode != result_mode.
15991 * tree-inline.c (remap_decls): Don't add_local_decl if cfun is null.
15993 PR tree-optimization/70405
15994 * ssa-iterators.h (num_imm_uses): Add missing braces.
15996 2016-03-29 Vladimir Makarov <vmakarov@redhat.com>
15998 PR rtl-optimization/68695
15999 * ira-color.c (allocno_copy_cost_saving): New.
16000 (improve_allocation): Use it.
16002 2016-03-29 Richard Henderson <rth@redhat.com>
16004 PR middle-end/70355
16005 * lower-subreg.c (simplify_subreg_concatn): Reject paradoxical subregs.
16007 2016-03-29 Richard Biener <rguenther@suse.de>
16009 PR middle-end/70424
16010 * ipa-prop.c (ipa_compute_jump_functions_for_edge): Always
16011 use alignment returned by get_pointer_alignment_1 if it is
16012 bigger than BITS_PER_UNIT.
16013 * builtins.c (get_pointer_alignment_1): Do not return true
16014 for alignment extracted from SSA info.
16016 2016-03-28 James Bowman <james.bowman@ftdichip.com>
16018 * config/ft32/ft32.opt (mnodiv): New.
16019 * config/ft32/ft32.md (*divsi3, *modsi3): Qualify with TARGET_NODIV.
16020 * doc/invoke.texi (FT32 Options -mnodiv): New.
16022 2016-03-28 Kirill Yukhin <kirill.yukhin@intel.com>
16025 * config/i386/i386.md (define_split, andn): Fix modes.
16027 2016-03-26 Richard Biener <rguenther@suse.de>
16028 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
16031 * ipa-inline-transform.c (inline_call): Pass opts_for_fn (to->decl)
16033 TREE_OPTIMIZATION (DECL_FUNCTION_SPECIFIC_OPTIMIZATION (to->decl))
16034 as 2nd argument to cl_optimization_restore().
16036 2016-03-25 Richard Henderson <rth@redhat.com>
16039 * config/aarch64/aarch64.c (aarch64_asm_output_pool_epilogue): New.
16040 * config/aarch64/aarch64-protos.h: Declare it.
16041 * config/aarch64/aarch64.h (ASM_OUTPUT_POOL_EPILOGUE): New.
16043 2016-03-25 Alan Modra <amodra@gmail.com>
16046 * config/rs6000/constraints.md (j): Simplify.
16047 * config/rs6000/predicates.md (easy_fp_constant): Exclude
16049 * config/rs6000/rs6000.md (zero_fp): New mode_attr.
16050 (mov<mode>_hardfloat, mov<mode>_hardfloat32, mov<mode>_hardfloat64,
16051 mov<mode>_64bit_dm, mov<mode>_32bit): Use zero_fp in place of j
16052 in all constraint alternatives.
16053 (movtd_64bit_nodm): Delete "j" constraint alternative.
16055 2016-03-24 Aldy Hernandez <aldyh@redhat.com>
16057 * tree-ssa-propagate.c: Enhance docs for
16058 SSA_PROP_NOT_INTERESTING.
16060 2016-03-24 Aldy Hernandez <aldyh@redhat.com>
16062 * doc/extend.texi: Fix typo in documentation to pure attribute.
16064 2016-03-24 John David Anglin <danglin@gcc.gnu.org>
16067 * config/pa/pa.md (bswapdi2): Use a scratch register.
16069 2016-03-24 Richard Henderson <rth@redhat.com>
16071 PR middle-end/69845
16072 * fold-const.c (extract_muldiv_1): Correct test for multiplication
16075 2016-03-24 Uros Bizjak <ubizjak@gmail.com>
16077 * config/i386/i386.md (*anddi3_doubleword): Generate AND insn
16078 using ix86_expand_binary_operator instead of gen_andsi3.
16080 2016-03-24 Richard Biener <rguenther@suse.de>
16082 PR tree-optimization/70396
16083 * tree-vect-stmts.c (vectorizable_comparison): Use
16084 get_vectype_for_scalar_type.
16086 2016-03-24 Richard Biener <rguenther@suse.de>
16088 PR middle-end/70370
16089 * gimplify.c (gimplify_asm_expr): Handle !allows_mem outputs
16090 with register bases.
16092 2016-03-24 Richard Biener <rguenther@suse.de>
16094 PR tree-optimization/70372
16095 * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Use
16096 build_all_ones_cst to also handle vector types correctly.
16098 2016-03-23 Michael Meissner <meissner@linux.vnet.ibm.com>
16101 * config/rs6000/rs6000-cpus.def (ISA_2_6_MASKS_SERVER): Do not set
16104 2016-03-23 Marek Polacek <polacek@redhat.com>
16107 * doc/invoke.texi: Document -Wignored-attributes.
16109 2016-03-23 Bin Cheng <bin.cheng@arm.com>
16111 PR tree-optimization/69042
16112 * params.def (PARAM_IV_CONSIDER_ALL_CANDIDATES_BOUND): Increase the
16113 parameter from 30 to 40.
16115 2016-03-23 Bin Cheng <bin.cheng@arm.com>
16117 PR tree-optimization/69042
16118 * tree-ssa-loop-ivopts.c (add_iv_candidate_for_use): Add IV cand
16119 for use with constant offset stripped in base.
16121 2016-03-23 Richard Biener <rguenther@suse.de>
16123 PR middle-end/70251
16124 * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Adjust
16125 mode compatibility check.
16126 (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
16128 2016-03-23 Jeff Law <law@redhat.com>
16130 PR tree-optimization/64058
16131 * tree-ssa-coalesce.c (struct coalesce_pair): Add new field
16133 (struct ssa_conflicts): Move up earlier in the file.
16134 (conflicts_, var_map_): New static variables.
16135 (initialize_conflict_count): New function to initialize the
16136 CONFLICT_COUNT field for each conflict pair.
16137 (compare_pairs): Lazily initialize the conflict count and use it
16138 as the first tie-breaker.
16139 (sort_coalesce_list): Add new arguments conflicts, map. Initialize
16140 and wipe conflicts_ and map_ around the call to qsort. Remove
16141 special case for 2 coalesce pairs.
16142 * bitmap.c (bitmap_count_unique_bits): New function.
16143 (bitmap_count_bits_in_word): New function, extracted from
16145 (bitmap_count_bits): Use bitmap_count_bits_in_word.
16146 * bitmap.h (bitmap_count_unique_bits): Declare it.
16148 2016-03-23 Ilya Enkovich <enkovich.gnu@gmail.com>
16151 * config/i386/sol2.h (ASM_OUTPUT_DEF_FROM_DECLS): Follow
16152 transparent alias chain for decl assembler name.
16153 * config/sol2.c (solaris_assemble_visibility): Likewise.
16155 2016-03-23 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
16157 * config/arm/arm1020e.md (1020call_op): Reduce reservation
16159 (v10_fdivs): Likewise.
16160 (v10_fdivd): Likewise.
16162 2016-03-23 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
16165 * config/arm/driver-arm.c (host_detect_local_cpu): Reorder exit logic
16166 to not call fclose twice on file.
16168 2016-03-23 Jakub Jelinek <jakub@redhat.com>
16170 PR tree-optimization/70354
16171 * tree-vect-patterns.c (vect_recog_vector_vector_shift_pattern): If
16172 oprnd0 is wider than oprnd1 and there is a cast from the wider
16173 type to oprnd1, mask it with the mask of the narrower type.
16176 * config/i386/i386.md (*anddi3_doubleword, *<code>di3_doubleword):
16177 Optimize TARGET_STV splitters, if high or low word of last argument
16180 2016-03-22 Jeff Law <law@redhat.com>
16183 tree-ssa-threadbackward.c
16184 (fsm_find_control_statement_thread_paths): Correctly distinguish
16185 between old style jump threads vs FSM jump threads.
16187 2016-03-22 Ilya Enkovich <enkovich.gnu@gmail.com>
16190 * config/i386/i386.c (scalar_chain::convert_op): Support
16191 uninitialized register usage case.
16193 2016-03-22 Richard Biener <rguenther@suse.de>
16195 PR middle-end/70251
16196 * genmatch.c (gen_transform): Adjust last parameter to a three-state
16198 (capture::gen_transform): ... to change behavior when substituting
16199 a condition into cond or not-cond expr context.
16200 (dt_simplify::gen_1): Adjust.
16201 * gimple-match-head.c: Include gimplify.h for unshare_expr.
16202 * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Revert
16203 last change and instead change to
16204 A + (B vcmp C ? 1 : 0) -> A - (B vcmp C ? -1 : 0).
16205 (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
16207 2016-03-22 Anthony Green <green@moxielogic.com>
16209 * config/moxie/moxiebox.h (CC1_SPEC): Define. Fix endianness
16210 issue for moxiebox targets.
16211 (CC1PLUS_SPEC): Ditto.
16213 2016-03-22 Richard Biener <rguenther@suse.de>
16215 PR middle-end/70333
16216 * fold-const.c (extract_muldiv_1): Properly perform multiplication
16219 2016-03-22 Kirill Yukhin <kirill.yukhin@intel.com>
16221 * config/i386/i386.c (def_builtin): Remove duplicated functionality.
16223 2016-03-22 Kirill Yukhin <kirill.yukhin@intel.com>
16226 * config/i386/i386.c (def_builtin): Handle
16227 OPTION_MASK_ISA_AVX512VL to be and-ed with other
16229 (const struct builtin_description bdesc_special_args[]):
16230 Remove duplicate ISA bits.
16232 2016-03-22 Jakub Jelinek <jakub@redhat.com>
16235 * config/i386/i386.c (ix86_expand_vecop_qihi): Don't bother computing
16236 d.perm[i] for i >= d.nelt. If not full_interleave, compute d.perm[i]
16237 in a way that works also for AVX512BW.
16240 * config/i386/i386.md (cvtsd2ss splitter): Unpack in destination
16241 instead of source if operands[1] is xmm16 and above and
16242 !TARGET_AVX512VL. Use avx512f_vec_dupv16sf_1 instead of
16243 vec_interleave_lowv4sf if we need to unpack xmm16 and above.
16246 * gimplify.c (gimplify_modify_expr): Call gimple_set_no_warning
16247 on assign if (*from_p) is a comparison, set it to
16248 TREE_NO_WARNING (*from_p).
16250 2016-03-21 Jakub Jelinek <jakub@redhat.com>
16252 PR middle-end/70326
16253 * lra.c (restore_scratches): Ignore deleted insns.
16255 2016-03-21 Marc Glisse <marc.glisse@inria.fr>
16256 Jakub Jelinek <jakub@redhat.com>
16258 PR tree-optimization/70317
16259 * match.pd (cmp @0 @0): Pass @0 instead of TYPE_MODE (TREE_TYPE (@0))
16262 2016-03-21 Uros Bizjak <ubizjak@gmail.com>
16265 * config/i386/i386.md (movxi): Use ix86_expand_vector_move instead
16266 of ix86_expand_move.
16268 (movti): Use general_operand for operand 1 predicate.
16270 2016-03-21 Martin Liska <mliska@suse.cz>
16272 * hsa-dump.c (dump_hsa_insn_1): dump default branch of SBR
16274 (dump_hsa_symbol): Dump BRIG offset of hsa_symbols.
16276 2016-03-21 Martin Liska <mliska@suse.cz>
16279 * ipa-icf.c (sem_function::parse): Skip static
16280 constructors and destructors.
16282 2016-03-21 Jakub Jelinek <jakub@redhat.com>
16285 * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If IDENT is
16286 function-like macro, peek following token(s) if it is followed
16287 by CPP_OPEN_PAREN token with optional padding in between, and
16288 if not, don't treat it like a macro.
16290 2016-03-21 Thomas Schwinge <thomas@codesourcery.com>
16291 Alexander Monakov <amonakov@ispras.ru>
16293 * config/nvptx/nvptx.c (nvptx_option_override): Don't emit sorry
16294 for the stabs debug format.
16296 2016-03-21 Richard Biener <rguenther@suse.de>
16298 PR tree-optimization/70310
16299 * tree-vect-generic.c (expand_vector_condition): Fold the built
16302 2016-03-21 Kirill Yukhin <kirill.yukhin@intel.com>
16305 * config/i386/sse.md: (define_insn "*vec_dup<mode>"/AVX2):
16306 Block third alternative for AVX-512VL target,
16308 2016-03-21 Martin Liska <mliska@suse.cz>
16311 * hsa-brig.c (emit_function_directives): Mark unemitted
16312 global variables for emission.
16313 * hsa-gen.c (hsa_symbol::hsa_symbol): Initialize a new flag.
16314 (get_symbol_for_decl): Likewise.
16315 * hsa.h (struct hsa_symbol): New flag.
16317 2016-03-21 Richard Biener <rguenther@suse.de>
16319 PR tree-optimization/70288
16320 * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Make sure
16321 we do not estimate unsimplified all-constant conditionals or
16322 switches as optimized away.
16324 2016-03-21 Andrey Belevantsev <abel@ispras.ru>
16326 PR rtl-optimization/69102
16327 * sched-deps.c (sched_analyze_insn): Do not set last_args_size field
16328 when we have a readonly dependency context.
16330 2016-03-18 Jeff Law <law@redhat.com>
16332 PR rtl-optimization/70263
16333 * ira.c (memref_used_between_p): Assert we found END in the insn chain.
16334 (update_equiv_regs): When trying to move a store to after the insn
16335 that sets the source of the store, make sure the store occurs after
16336 the insn that sets the source of the store. When successful note
16337 the REG_EQUIV note created in the dump file.
16339 2016-03-16 David Wohlferd <dw@LimeGreenSocks.com>
16340 Bernd Schmidt <bschmidt@redhat.com>
16342 * doc/extend.texi: Document more potential problems with basic asms.
16344 2016-03-18 Bernd Schmidt <bschmidt@redhat.com>
16346 PR rtl-optimization/70278
16347 * lra-constraints.c (split_reg): Handle the case where biggest_mode is
16350 2016-03-18 Jason Merrill <jason@redhat.com>
16352 * calls.c (load_register_parameters): Fix zero size sibcall logic.
16354 2016-03-18 Kirill Yukhin <kirill.yukhin@intel.com>
16356 * config/i386/sse.md: Use vpbroadcastq for broadcasting DF
16357 values to 128b regs.
16359 2016-03-18 Ilya Enkovich <enkovich.gnu@gmail.com>
16361 PR tree-optimization/70252
16362 * tree-vect-stmts.c (supportable_widening_operation): Check resulting
16363 boolean vector has a proper number of elements.
16364 (supportable_narrowing_operation): Likewise.
16366 2016-03-18 Tom de Vries <tom@codesourcery.com>
16369 * cgraph.c (cgraph_node::get_body): Set dump_file to NULL after save.
16371 2016-03-18 Jakub Jelinek <jakub@redhat.com>
16373 * reload1.c (emit_input_reload_insns): Use simplify_replace_rtx
16374 instead of replace_rtx for DEBUG_INSNs.
16376 2016-03-18 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
16378 * config/i386/znver1.md : Fix latencies of FP/SSE/AVX
16379 load type reservations.
16381 2016-03-17 John David Anglin <danglin@gcc.gnu.org>
16384 * config/pa/constraints.md: Revert 2015-02-13 change. Use
16385 define_constraint for "Q" and "T" constraints.
16387 2016-03-17 Evandro Menezes <e.menezes@samsung.com>
16389 Tweak the pipeline model for Exynos M1
16391 * config/aarch64/aarch64.c (exynosm1_tunings): Enable weak prefetching
16394 2016-03-17 David Malcolm <dmalcolm@redhat.com>
16397 * diagnostic-show-locus.c (compatible_locations_p): Handle the case
16398 where one or both locations aren't within a line_map.
16400 2016-03-17 H.J. Lu <hongjiu.lu@intel.com>
16403 * opts.c (finish_options): Don't set flag_pie to the default if
16404 -fpic, -fPIC, -fno-pic or -fno-PIC is used. Set flag_pic to 0
16407 2016-03-17 Joern Rennecke <joern.rennecke@embecosm.com>
16409 * config/i386/i386.md (*movv4qicc_insn+1..36): Pass
16410 true as ALL_REGS argument to replace_rtx.
16412 2016-03-17 Richard Biener <rguenther@suse.de>
16415 * dwarf2out.c (dwarf2out_early_finish): Process deferred_asm_name
16418 2016-03-17 Jakub Jelinek <jakub@redhat.com>
16421 * rtl.h (replace_rtx): Add ALL_REGS argument.
16422 * rtlanal.c (replace_rtx): Likewise. If true, use REGNO
16423 equality and assert mode is the same, instead of just rtx pointer
16425 * config/i386/i386.md (mov + arithmetics with load peephole): Pass
16426 true as ALL_REGS argument to replace_rtx.
16428 2016-03-17 Ilya Enkovich <enkovich.gnu@gmail.com>
16430 * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Apply
16431 for boolean vector with vector mode only.
16432 (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
16434 2016-03-17 Nick Clifton <nickc@redhat.com>
16437 * config/rx/rx.c (rx_print_integer): Print negative constants in
16440 2016-03-17 Jakub Jelinek <jakub@redhat.com>
16443 * rtlanal.c (replace_rtx): Revert 2016-03-16 change.
16445 2016-03-16 Richard Henderson <rth@redhat.com>
16446 Richard Biener <rguenth@suse.de>
16448 PR middle-end/70240
16449 PR middle-end/68215
16451 * gimplify.c (gimplify_expr) [VEC_COND_EXPR]: Gimplify the
16452 first operand as is_gimple_condexpr.
16454 PR middle-end/70240
16455 PR middle-end/68215
16457 2015-12-11 Eric Botcazou <ebotcazou@adacore.com>
16458 * tree-vect-generic.c (tree_vec_extract): Remove GSI parameter.
16459 Do not gimplify the result.
16460 (do_unop): Adjust call to tree_vec_extract.
16461 (do_binop): Likewise.
16462 (do_compare): Likewise.
16463 (do_plus_minus): Likewise.
16464 (do_negate): Likewise.
16465 (expand_vector_condition): Likewise.
16466 (do_cond): Likewise.
16468 2016-03-16 Richard Henderson <rth@redhat.com>
16471 * config/aarch64/aarch64.c (virt_or_elim_regno_p): New.
16472 (aarch64_classify_address): Use it.
16473 (aarch64_legitimize_address): Force all subexpressions of PLUS
16474 into registers. Simplify as (sfp+const)+reg or (reg+reg)+const.
16476 2016-03-16 Jakub Jelinek <jakub@redhat.com>
16477 Richard Biener <rguenth@suse.de>
16480 * rtlanal.c (replace_rtx): For REG, if from is a REG,
16481 return to even if only REGNO is equal, and assert
16484 2016-03-11 Jeff Law <law@redhat.com>
16486 PR rtl-optimization/70224
16487 * reorg.c (relax_delay_slots): Pass right argument to CROSSING_JUMP_P.
16489 2016-03-16 Richard Henderson <rth@redhat.com>
16491 PR middle-end/70199
16492 * function.h (struct function): Add has_forced_label_in_static.
16493 * gimplify.c (force_labels_r): Set it.
16494 * lto-streamer-in.c (input_struct_function_base): Read it.
16495 * lto-streamer-out.c (output_struct_function_base): Write it.
16496 * tree-inline.c (has_label_address_in_static_1): Remove.
16497 (copy_forbidden): Remove fndecl parameter; test
16498 has_forced_label_in_static.
16499 (inline_forbidden_p): Update call to copy_forbidden.
16500 (tree_versionable_function_p): Likewise.
16501 * ipa-chkp.c (chkp_instrumentable_p): Likewise.
16502 (chkp_versioning): Likewise.
16503 * tree-inline.h (copy_forbidden): Update decl.
16505 2016-03-16 Marek Polacek <polacek@redhat.com>
16508 * cgraphunit.c (cgraph_node::expand_thunk): Also build call to the
16509 function being thunked if the result type doesn't have fixed size.
16510 * gimplify.c (gimplify_modify_expr): Also set LHS if the result type
16511 doesn't have fixed size.
16513 2016-03-16 Bin Cheng <bin.cheng@arm.com>
16515 * tree-vect-loop.c (vect_analyze_loop_2): Fix wrong dump info by
16516 reporting malformed loop nest.
16518 2016-03-16 Tom de Vries <tom@codesourcery.com>
16521 * ipa-devirt.c (possible_polymorphic_call_targets): Move
16522 nodes.length () == 1 test to before first nodes[0] access.
16524 2016-03-16 Tom de Vries <tom@codesourcery.com>
16526 PR tree-optimization/68715
16527 * graphite-scop-detection.c (scop_detection::merge_sese): Add missing
16528 single_pred_p test.
16530 2016-03-16 Tom de Vries <tom@codesourcery.com>
16532 PR tree-optimization/68809
16533 * graphite-scop-detection.c (same_close_phi_node): Test if result types
16536 2016-03-16 Carlos O'Donell <carlos@redhat.com>
16537 Sandra Loosemore <sandra@codesourcery.com>
16539 * doc/extend.texi (Common Function Attributes): Describe ifunc impact
16540 on leaf attribute. Mention ELF interposition problems.
16542 2016-03-16 Alan Modra <amodra@gmail.com>
16544 PR rtl-optimization/69195
16545 PR rtl-optimization/47992
16546 * ira.c (indirect_jump_optimize): Ignore artificial defs.
16549 2016-03-15 Eric Botcazou <ebotcazou@adacore.com>
16552 * dwarf2out.c (flush_limbo_die_list): Really flush the limbo list.
16554 2016-03-15 Senthil Kumar Selvaraj <senthil_kumar.selvaraj@atmel.com>
16556 * config/avr/avr.md (rotl<mode>3): Set mode for operand 2.
16558 2016-03-15 Jakub Jelinek <jakub@redhat.com>
16560 PR rtl-optimization/70222
16561 * combine.c (simplify_shift_const_1): For A >> B >> C LSHIFTRT
16562 optimization if mode is different from result_mode, queue up masking
16563 of the result in outer_op. Formatting fix.
16565 PR middle-end/70239
16566 * tree-ssa-sccvn.c (VN_INFO_GET): Use safe_grow_cleared instead
16569 2016-03-15 Andrey Belevantsev <abel@ispras.ru>
16571 PR rtl-optimization/69032
16572 * sel-sched-ir.c (get_seqno_by_preds): Include both insn and head when
16573 looping backwards over basic block insns.
16575 2016-03-15 Andrey Belevantsev <abel@ispras.ru>
16578 * sel-sched-ir.c (merge_expr): Avoid changing the speculative pattern
16579 to non-speculative when propagating trap bits.
16581 2016-03-15 Andrey Belevantsev <abel@ispras.ru>
16583 PR rtl-optimization/63384
16584 * sel-sched.c (invoke_aftermath_hooks): Do not decrease issue_more on
16585 DEBUG_INSN_P insns.
16587 2016-03-15 Andrey Belevantsev <abel@ispras.ru>
16590 * sched-deps.c (get_implicit_reg_pending_clobbers): New function,
16591 factored out from ...
16592 (sched_analyze_insn): ... here.
16593 * sched-int.h (get_implicit_reg_pending_clobbers): Declare it.
16594 * sel-sched-ir.c (setup_id_implicit_regs): New function, use
16595 get_implicit_reg_pending_clobbers in it.
16596 (setup_id_reg_sets): Use setup_id_implicit_regs.
16597 (deps_init_id): Ditto.
16599 2016-03-15 Tom de Vries <tom@codesourcery.com>
16602 * cgraph.c (cgraph_node::get_body): Save, reset and restore
16604 * passes.c (execute_one_ipa_transform_pass): Add missing argument to
16605 execute_function_dump.
16606 (execute_one_pass): Don't dump function if it will be dumped after ipa
16609 2016-03-15 Segher Boessenkool <segher@kernel.crashing.org>
16611 * genrecog.c (match_pattern_2): If pred is NULL don't call
16612 safe_predicate_mode on it.
16614 2016-03-14 Jakub Jelinek <jakub@redhat.com>
16616 PR middle-end/70219
16617 * lra-constraints.c (delete_move_and_clobber): Change assertion
16618 to also allow dregno == 0.
16620 2016-03-14 Richard Henderson <rth@redhat.com>
16623 * tree-ssa-reassoc.c (ovce_extract_ops, optimize_vec_cond_expr): New.
16624 (can_reassociate_p): Allow ANY_INTEGRAL_TYPE_P.
16625 (reassociate_bb): Use optimize_vec_cond_expr; avoid
16626 optimize_range_tests, attempt_builtin_copysign and attempt_builtin_powi
16629 2016-03-14 Bernd Schmidt <bschmidt@redhat.com>
16632 * lra-lives.c (process_bb_lives): Also update biggest mode for hard
16634 (lra_create_live_ranges_1): initialize hard register biggest_mode to
16636 * lra-constraints.c (split_reg): For hard regs, try to find the
16637 biggest single-register mode used in the function.
16639 2016-03-14 Richard Biener <rguenther@suse.de>
16641 PR tree-optimization/56365
16642 * tree-ssa-phiopt.c (minmax_replacement): Handle alternate
16643 constants to compare against.
16645 2016-03-14 Segher Boessenkool <segher@kernel.crashing.org>
16648 * config/rs6000/rs6000.md (*ctr<mode>_internal1, *ctr<mode>_internal2,
16649 *ctr<mode>_internal5, *ctr<mode>_internal6): Also allow "d" as output.
16650 (define_split for the GPR case): Use int_reg_operand instead of
16651 gpc_reg_operand for the output.
16653 2016-03-14 Tom de Vries <tom@codesourcery.com>
16655 PR tree-optimization/70045
16656 * graphite-isl-ast-to-gimple.c (graphite_create_new_loop_guard): Unshare
16657 create_empty_if_region_on_edge argument.
16659 2016-03-13 Eric Botcazou <ebotcazou@adacore.com>
16661 * config/arm/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Define.
16662 (STACK_CHECK_PROTECT): Likewise.
16663 * config/i386/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise
16664 (STACK_CHECK_PROTECT): Likewise.
16665 * config/rs6000/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise
16666 (STACK_CHECK_PROTECT): Likewise.
16667 * config/rs6000/vxworksae.h (STACK_CHECK_PROTECT): Likewise.
16668 * config/sparc/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise.
16669 (STACK_CHECK_PROTECT): Likewise.
16671 2016-03-12 Andrey Belevantsev <abel@ispras.ru>
16673 PR rtl-optimization/69307
16674 * sel-sched.c (choose_best_pseudo_reg): Properly check for hard
16675 registers in modes that span more than one register.
16677 2016-03-12 Vladimir Makarov <vmakarov@redhat.com>
16680 * lra-constraints.c (delete_move_and_clobber): New.
16681 (remove_inheritance_pseudos): Use it.
16683 2016-03-12 Eric Botcazou <ebotcazou@adacore.com>
16686 * calls.c (emit_library_call_value_1): Clear the ECF_NOTHROW flag if
16687 the libcall is LCT_THROW.
16688 * explow.c (probe_stack_range): Pass LCT_THROW to emit_library_call
16689 for the checking routine.
16691 2016-03-11 Michael Meissner <meissner@linux.vnet.ibm.com>
16694 * config/rs6000/rs6000.md (round32<mode>2_fprs): Do not do the
16695 optimization if we have direct move.
16696 (roundu32<mode>2_fprs): Likewise.
16698 2016-03-11 Bernd Schmidt <bschmidt@redhat.com>
16701 * lra-remat.c (operand_to_remat): Disallow hard regs in the value t
16703 (reg_overlap_for_remat_p): Renamed from input_regno_present_p.
16704 Arguments swapped. All callers changed. Take reg_renumber into
16705 account, and Calculate and compare register ranges for hard regs.
16707 2016-03-11 Jeff Law <law@redhat.com>
16709 PR tree-optimization/70190
16710 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
16711 Handle cases where we can not extract the taken edge, even though we
16712 found a constant value.
16714 PR tree-optimization/64058
16715 * tree-ssa-coalesce.c (struct coalesce_pair): Add new field INDEX.
16716 (num_coalesce_pairs): Move up earlier in file.
16717 (find_coalesce_pair): Initialize the INDEX field for each pair
16719 (compare_pairs): No longer sort on the elements in each pair.
16720 Instead break ties with the index of the coalesce pair.
16722 2016-03-11 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
16725 * config/aarch64/aarch64-protos.h
16726 (aarch64_save_restore_target_globals): New prototype.
16727 * config/aarch64/aarch64-c.c (aarch64_pragma_target_parse):
16728 Call the above when popping pragma.
16729 * config/aarch64/aarch64.c (aarch64_save_restore_target_globals):
16731 (aarch64_set_current_function): Rewrite using the above.
16733 2016-03-11 Jakub Jelinek <jakub@redhat.com>
16735 PR tree-optimization/70177
16736 * gimple-expr.h (extract_ops_from_tree_1): Renamed to ...
16737 (extract_ops_from_tree): ... this. In the 2 argument
16738 overload remove _1 suffix.
16739 * gimple-expr.c (extract_ops_from_tree_1): Renamed to ...
16740 (extract_ops_from_tree): ... this.
16741 * gimple.c (gimple_build_assign, gimple_assign_set_rhs_from_tree):
16743 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Likewise.
16744 * tree-ssa-forwprop.c (defcodefor_name): Call 3 operand
16745 extract_ops_from_tree instead of 2 operand one.
16747 2016-03-11 Alan Lawrence <alan.lawrence@arm.com>
16749 PR tree-optimization/70013
16750 * tree-sra.c (analyze_access_subtree): Also set grp_unscalarized_data
16751 for constant-pool entries.
16753 2016-03-11 Jakub Jelinek <jakub@redhat.com>
16755 PR rtl-optimization/70174
16756 * expmed.c (store_bit_field_using_insv): Use gen_lowpart_if_possible
16757 followed by gen_lowpart on force_reg instead of just gen_lowpart.
16759 PR tree-optimization/70169
16760 * tree-ssa-loop.c (gen_lsm_tmp_name): Handle FUNCTION_DECL and
16761 LABEL_DECL like VAR_DECL. Emit nothing instead of gcc_unreachable
16764 2016-03-11 Ilya Enkovich <enkovich.gnu@gmail.com>
16765 Jakub Jelinek <jakub@redhat.com>
16768 * config/i386/i386.c (scalar_chain::convert_reg): Skip uses
16769 of uninitialized values.
16771 2016-03-11 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
16773 * config/s390/s390.md ("trunctddd2"): Turn former define_insn into
16775 ("*trunctddd2"): New pattern definition.
16776 ("trunctdsd2"): Set prep_for_short_prec rounding mode for the
16779 2016-03-11 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
16781 * config/s390/s390.md (BFP_RND_*, DFP_RND_*): Add new constant
16782 definitions for BFP and DFP rounding modes.
16783 ("fixuns_truncdddi2", "fixuns_trunctddi2")
16784 ("fixuns_trunc<BFP:mode><GPR:mode>2", "fixuns_trunc<mode>si2")
16785 ("fix_trunc<DSF:mode><GPR:mode>2", "fix_trunc<mode>di2")
16786 ("fix_trunctf<mode>2"): Use the new constants instead of magic
16789 2016-03-11 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
16791 * config/s390/constraints.md: Adjust comment.
16792 ("Y"): Adjust comment. Rename s390_decompose_shift_count to
16793 s390_decompose_addrstyle_without_index.
16794 * config/s390/predicates.md (shift_count_or_setmem_operand):
16795 Rename to setmem_operand.
16796 * config/s390/s390-protos.h
16797 (s390_decompose_shift_count): Rename to
16798 s390_decompose_addrstyle_without_index.
16799 * config/s390/s390.c (s390_decompose_shift_count)
16800 (s390_mem_constraint, print_shift_count_operand)
16801 (print_operand_address, print_operand): Rename
16802 s390_decompose_shift_count to
16803 s390_decompose_addrstyle_without_index and rename
16804 print_shift_count_operand to print_addrstyle_operand troughout the
16806 * config/s390/s390.md ("setmem_long_<P:mode>", "*setmem_long")
16807 ("*setmem_long_and", "*setmem_long_31z", "*setmem_long_and_31z"):
16808 Rename shift_count_or_setmem_operand to setmem_operand.
16809 * config/s390/vx-builtins.md ("vec_insert<mode>")
16810 ("vec_promote<mode>"): Replace shift_count_or_setmem_operand with
16813 2016-03-10 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
16816 * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap):
16817 Handle overlapping retval and newval.
16819 2016-03-10 Nick Clifton <nickc@redhat.com>
16822 * config/aarch64/aarch64.c
16823 (aarch64_override_options_after_change_1): When forcing
16824 flag_omit_frame_pointer to be true, use a special value that can
16825 be detected if this function is called again, thus preventing
16826 flag_omit_leaf_frame_pointer from being forced to be false.
16828 2016-03-10 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
16830 * common/config/aarch64/aarch64-common.c (aarch64_handle_option):
16831 Set x_flag_omit_leaf_frame_pointer when handling
16832 -momit-leaf-frame-pointer.
16834 2016-03-10 Jan Hubicka <hubicka@ucw.cz>
16837 * cgraph.c (cgraph_node::dump): Dump split_part and
16838 indirect_call_target.
16839 * cgraph.h (cgraph_node): Add indirect_call_target flag.
16840 * ipa.c (has_addr_references_p): Cleanup.
16841 (is_indirect_call_target_p): New.
16842 (walk_polymorphic_call_targets): Do not mark virtuals that may be
16843 called indirectly as local.
16844 (symbol_table::remove_unreachable_nodes): Compute indirect_call_target.
16846 2016-03-10 Jan Hubicka <hubicka@ucw.cz>
16849 * ipa-devirt.c (possible_polymorphic_call_targets): Do not ICE
16850 on cxa_pure_virtual.
16852 2016-03-10 Jan Hubicka <hubicka@ucw.cz>
16855 * tree.c (free_lang_data_in_decl): Clear visibility of TYPE_DECL.
16857 2016-03-10 Jan Hubicka <hubicka@ucw.cz>
16860 * tree.c (need_assembler_name_p): Only record main variant type names.
16862 2016-03-10 Christophe Lyon <christophe.lyon@linaro.org>
16865 * config/aarch64/aarch64.h (TARGET_FIX_ERR_A53_843419_DEFAULT):
16866 Always define to 0 or 1.
16867 (TARGET_FIX_ERR_A53_843419): New macro.
16868 * config/aarch64/aarch64-elf-raw.h
16869 (TARGET_FIX_ERR_A53_843419_DEFAULT): Update for above changes.
16870 * config/aarch64/aarch64-linux.h: Likewise.
16871 * config/aarch64/aarch64.c
16872 (aarch64_override_options_after_change_1): Do not default
16873 aarch64_nopcrelative_literal_loads to true if Cortex-A53 erratum
16875 (aarch64_attributes): Handle fix-cortex-a53-843419.
16876 (aarch64_can_inline_p): Likewise.
16877 * config/aarch64/aarch64.opt (aarch64_fix_a53_err843419): Save.
16879 2016-03-10 Alan Lawrence <alan.lawrence@arm.com>
16880 Jakub Jelinek <jakub@redhat.com>
16882 * common.opt (funconstrained-commons, flag_unconstrained_commons): New.
16883 * tree.c (array_at_struct_end_p): Do not limit to size of decl for
16884 DECL_COMMONS if flag_unconstrained_commons is set.
16885 * tree-dfa.c (get_ref_base_and_extent): Likewise.
16886 * doc/invoke.texi (Optimize Options): Add -funconstrained-commons.
16887 (funconstrained-commons): Document.
16889 2016-03-10 Christophe Lyon <christophe.lyon@linaro.org>
16891 * config/aarch64/t-aarch64 (OPTIONS_H_EXTRA): Add
16892 aarch64-fusion-pairs.def and aarch64-tuning-flags.def
16894 2016-03-10 Ilya Enkovich <enkovich.gnu@gmail.com>
16896 * tree-vect-stmts.c (vectorizable_mask_load_store): Check mask
16897 has a proper number of elements.
16899 2016-03-10 Alan Modra <amodra@gmail.com>
16901 PR rtl-optimization/69195
16902 PR rtl-optimization/47992
16903 * ira.c (recorded_label_ref): Delete.
16904 (update_equiv_regs): Return void.
16905 (indirect_jump_optimize): New function.
16906 (ira): Call indirect_jump_optimize and delete_trivially_dead_insns
16907 before regstat_compute_ri. Don't rebuild_jump_labels here.
16908 Delete update_regstat.
16910 2016-03-10 Richard Biener <rguenther@suse.de>
16912 PR tree-optimization/70128
16913 * tree-ssa-structalias.c (set_uids_in_ptset): Set
16914 vars_contains_nonlocal for any FUNCTION_DECL or LABEL_DECL.
16916 2016-03-09 Jakub Jelinek <jakub@redhat.com>
16918 PR tree-optimization/70152
16919 * tree-sra.c (replace_removed_params_ssa_names): Copy over
16920 SSA_NAME_OCCURS_IN_ABNORMAL_PHI from old_name to new_name.
16923 * config/i386/i386.md (truncdfsf2 splitter): Use gen_vec_concatv2df
16924 instead of gen_sse2_loadlpd.
16925 * config/i386/sse.md (*vec_concatv2df): Rename to...
16926 (vec_concatv2df): ... this.
16928 PR tree-optimization/70127
16929 * fold-const.c (operand_equal_p): Revert the 2015-10-28 change.
16931 2016-03-09 David Malcolm <dmalcolm@redhat.com>
16935 * diagnostic-show-locus.c (compatible_locations_p): New function.
16936 (layout::layout): Sanitize ranges using compatible_locations_p.
16938 2016-03-09 David Malcolm <dmalcolm@redhat.com>
16942 * diagnostic-show-locus.c (layout_range::layout_range): Replace
16943 location_range param with three const expanded_locations * and a
16945 (layout::layout): Replace call to
16946 rich_location::lazily_expand_location with get_expanded_location.
16947 Extract the range and perform location expansion here, passing
16948 the results to the layout_range ctor.
16949 * diagnostic.c (source_range::debug): Delete.
16950 * diagnostic.h (diagnostic_expand_location): Reimplement in terms
16951 of rich_location::get_expanded_location.
16952 * gcc-rich-location.c (get_range_for_expr): Delete.
16953 (gcc_rich_location::add_expr): Reimplement to avoid the
16954 rich_location::add_range overload that took a location_range,
16955 passing a location_t instead.
16957 2016-03-09 Richard Biener <rguenther@suse.de>
16958 Jakub Jelinek <jakub@redhat.com>
16960 PR tree-optimization/70138
16961 * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
16962 Also skip vect_double_reduction_def.
16964 2016-03-09 Jakub Jelinek <jakub@redhat.com>
16967 * config/i386/sse.md (*vec_extract<mode>): Use %0 instead of %k0
16968 if the operand is "m".
16970 2016-03-09 Nathan Sidwell <nathan@acm.org>
16972 * config/nvptx/nvptx.c (nvptx_option_override): Don't kill debug level.
16974 2016-03-09 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
16976 * config/i386/i386.c (processor_target_table): Fix cost table
16977 intialization order for znver1.
16979 2016-03-08 Jakub Jelinek <jakub@redhat.com>
16981 * ipa-polymorphic-call.c (walk_ssa_copies): Fix spelling
16982 - becuase -> because.
16983 * ipa-reference.c (ignore_module_statics): Likewise.
16984 * cgraph.c (cgraph_node::get_body): Likewise.
16985 * ipa-inline.c (early_inliner): Likewise.
16986 * ipa-devirt.c (types_same_for_odr): Likewise.
16987 * tree-streamer-out.c (pack_ts_type_common_value_fields): Likewise.
16988 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Likewise.
16990 2016-03-08 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
16992 * tree-ssa-math-opts.c: Fix typo in comment.
16994 2016-03-08 Jakub Jelinek <jakub@redhat.com>
16997 * config/i386/i386.c (scalar_chain::make_vector_copies,
16998 scalar_chain::convert_reg): Call end_sequence in between
16999 get_insns and emit_conversion_insns rather than after both
17002 2016-03-07 Uros Bizjak <ubizjak@gmail.com>
17005 * config/i386/i386.h (machine_function): Add
17006 pc_thunk_call_expanded flag.
17007 (ix86_pc_thunk_call_expanded): New define.
17008 * config/i386/i386.md (set_got, set_got_labelled): New expanders.
17009 (*set_got): Rename insn pattern from set_got.
17010 (*set_got_labelled): Rename inst pattern from set_got_labelled.
17011 * config/i386/i386.c (ix86_compute_frame_layout): Use
17012 ix86_pc_thunk_call_expanded to prevent red-zone.
17014 2016-03-07 Martin Jambor <mjambor@suse.cz>
17016 * hsa.h (hsa_get_ctor_statements): Declare.
17017 (hsa_get_dtor_statements): Likewise.
17018 (hsa_get_kernel_dispatch_type): Likewise.
17019 * hsa.c (hsa_get_ctor_statements): New function.
17020 (hsa_get_dtor_statements): Likewise.
17021 (hsa_get_kernel_dispatch_type): Likewise.
17022 * hsa-brig.c (hsa_cdtor_statements): Removed.
17023 (hsa_output_libgomp_mapping): Use hsa_get_ctor_statements and
17024 hsa_get_dtor_statements.
17025 * hsa-gen.c (hsa_kernel_dispatch_type): Removed.
17026 (get_hsa_kernel_dispatch_offset): Use hsa_get_kernel_dispatch_type.
17028 2016-03-07 Andre Vieira <andre.simoesdiasvieira@arm.com>
17030 * config/arm/arm-cores.def (cortex-r8): New.
17031 * config/arm/arm-tables.opt (cortex-r8): Regenerate.
17032 * config/arm/arm-tune.md: Likewise.
17033 * doc/invoke.texi: Add cortex-r8 to list of cpu values.
17035 2016-03-07 Martin Sebor <msebor@redhat.com>
17037 PR rtl-optimization/19705
17038 * doc/invoke.texi (Options That Control Optimization): Clarify
17039 -fno-branch-count-reg.
17041 2016-02-26 Richard Biener <rguenther@suse.de>
17042 Jeff Law <law@redhat.com>
17044 PR tree-optimization/69740
17045 * cfghooks.c (remove_edge): Request loop fixups if we delete
17046 an edge that might turn an irreducible loop into a natural
17048 * cfgloop.h (check_verify_loop_structure): Clear LOOPS_NEED_FIXUP.
17049 Move after definition of loops_state_clear.
17051 2016-03-07 Bin Cheng <bin.cheng@arm.com>
17053 PR rtl-optimization/69052
17054 * rtlanal.c (commutative_operand_precedence): Set higher precedence
17057 2016-03-07 Tom de Vries <tom@codesourcery.com>
17059 PR tree-optimization/70116
17060 * tree-ssa-tail-merge.c (merge_stmts_p): New function, handling
17061 is_tm_ending stmts and ubsan/asan internal functions.
17062 (find_duplicate): Use it. Don't test is_tm_ending here.
17064 2016-03-07 Richard Biener <rguenther@suse.de>
17066 PR tree-optimization/70115
17067 * tree-ssa-loop-ivcanon.c (propagate_into_all_uses): Remove.
17068 (propagate_constants_for_unrolling): Use replace_uses_by.
17070 2016-03-07 Nathan Sidwell <nathan@codesourcery.com>
17072 PR middle-end/69916
17073 * omp-low.c (struct oacc_loop): Add ifns.
17074 (new_oacc_loop_raw): Initialize it.
17075 (finish_oacc_loop): Clear mask & flags if no ifns.
17076 (oacc_loop_discover_walk): Count IFN_GOACC_LOOP calls.
17077 (oacc_loop_xform_loop): Add ifns arg & adjust.
17078 (oacc_loop_process): Adjust oacc_loop_xform_loop call.
17080 2016-03-07 Richard Henderson <rth@redhat.com>
17083 * tree-outofssa.c (emit_partition_copy): Flush pending stack adjust.
17084 (insert_value_copy_on_edge): Likewise.
17086 2016-03-07 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
17088 * config/arm/arm_neon.h: Show error if using with soft-float ABI.
17090 2016-03-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
17093 * config/i386/sol2.h (STACK_REALIGN_DEFAULT): Define.
17095 2016-03-05 Venkataramanan Kumar <Venkataramanan.kumar@amd.com>
17097 * config/i386/i386.c (znver1_cost): Fix Multiply cost.
17099 2016-03-05 Venkataramanan Kumar <Venkataramanan.kumar@amd.com>
17101 Fix sseimul type attribute.
17102 * config/i386/znver1.md
17103 (znver1_sseimul, znver1_sseimul_avx256, znver1_sseimul_load,
17104 znver1_sseimul_avx256_load) : Fix the type attribute.
17105 (znver1_sseimul_di, znver1_sseimul_load_di): Fix type attribute,
17106 pipe usage and latency.
17108 2016-03-05 Jakub Jelinek <jakub@redhat.com>
17111 * tree-inline.c (copy_tree_body_r): When cancelling ADDR_EXPR
17112 of INDIRECT_REF and ADDR_EXPR changed type, fold_convert it
17115 2016-03-04 Bernd Schmidt <bschmidt@redhat.com>
17118 * targhooks.c (default_vector_alignment): Limit to MAX_OFILE_ALIGNMENT.
17120 PR rtl-optimization/69941
17121 * postreload.c (reload_combine_recognize_pattern): Ensure all uses of
17122 the reg share its mode.
17124 2016-03-04 Jeff Law <law@redhat.com>
17126 PR tree-optimization/69196
17127 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
17128 If the both SSA_NAMEs are anonymous, then consider them unassociated
17129 and include the PHI in the statement count.
17131 2016-03-05 Tom de Vries <tom@codesourcery.com>
17133 * omp-low.c (check_omp_nesting_restrictions): Check for non-oacc
17134 construct in oacc routine. Check for oacc region in oacc routine.
17136 2016-03-04 Jakub Jelinek <jakub@redhat.com>
17139 * config/i386/i386.c (decide_alg): Add RECUR argument. Revert
17140 2016-02-22 changes, instead don't recurse if RECUR is already true.
17141 Don't change *dynamic_check if RECUR. Adjust recursive caller
17142 to pass true to the new argument.
17143 (ix86_expand_set_or_movmem): Adjust decide_alg caller.
17146 * config/i386/sse.md (vec_set_lo_<mode><mask_name>,
17147 <extract_type_2>_vinsert<shuffletype><extract_suf_2>_mask): Formatting
17149 (vec_set_hi_<mode><mask_name>): Likewise. Swap VEC_CONCAT operands.
17151 2016-03-04 Bernd Schmidt <bschmidt@redhat.com>
17153 PR rtl-optimization/57676
17154 * lra-assigns.c (lra_assign): Guard test for maximum iterations
17155 with flag_checking.
17157 2016-03-04 Ilya Enkovich <enkovich.gnu@gmail.com>
17159 * tree-vect-patterns.c (search_type_for_mask): Handle
17160 comparison of booleans.
17162 2016-03-04 Jakub Jelinek <jakub@redhat.com>
17164 * doc/extend.texi (__builtin_alloca, __builtin_alloca_with_align):
17168 * dwarf2out.c (prune_unused_types_walk_loc_descr): Handle
17169 all other ops that have dw_val_class_die_ref operands,
17170 and DW_OP_GNU_entry_value.
17172 2016-03-03 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
17174 PR rtl-optimization/69904
17175 * config/arm/arm.c (arm_cannot_copy_insn_p):
17176 Return true for load-exclusive instructions.
17178 2016-03-03 Jakub Jelinek <jakub@redhat.com>
17181 * tree-vect-stmts.c (vect_mark_relevant): Remove USED_IN_PATTERN
17182 argument, if STMT_VINFO_IN_PATTERN_P (stmt_info), always mark
17183 the pattern no matter if it is used just by non-pattern, pattern
17185 (process_use, vect_mark_stmts_to_be_vectorized): Adjust callers.
17186 * tree-vect-patterns.c (vect_recog_vector_vector_shift_pattern): If
17187 oprnd1 def_stmt is in pattern, don't look through it.
17189 2016-03-03 Marek Polacek <polacek@redhat.com>
17191 PR middle-end/70050
17192 * match.pd (X % -Y): Add INTEGRAL_TYPE_P check.
17194 2016-03-03 Martin Liska <mliska@suse.cz>
17196 PR tree-optimization/70043
17197 * tree-vect-loop.c (optimize_mask_stores): Move iterator to
17198 previous statement if we see a debug statement.
17200 2016-03-03 Richard Biener <rguenther@suse.de>
17202 PR tree-optimization/55936
17203 * tree-vrp.c (compare_name_with_value): Add use_equiv_p
17204 parameter and guard unsafe equivalence use.
17205 (vrp_evaluate_conditional_warnv_with_ops): Always use
17206 safe equivalences but not via the quadratic compare_names
17209 2016-03-03 Michael Collison <michael.collison@linaro.org>
17212 * config/arm/arm.md (*subsi3_carryin_const): Change predicate
17213 for operand 1 to s_register_operand. Change predicate for operand
17214 2 to arm_not_immediate_operand.
17216 2016-03-02 H.J. Lu <hongjiu.lu@intel.com>
17218 * doc/tm.texi: Regenerated.
17220 2016-03-02 Richard Henderson <rth@redhat.com>
17223 * simplify-rtx.c (simplify_plus_minus): Allow reassoc without
17224 simplification when all args are positive non-fixed registers.
17226 2016-03-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
17228 * target.def (lra_p): Specify that new ports should use LRA.
17230 2016-03-02 Jakub Jelinek <jakub@redhat.com>
17233 * gimplify.c (gimplify_decl_expr): For decls with REFERENCE_TYPE, also
17234 gimplify_type_sizes the type they refer to.
17235 (omp_notice_variable): Handle reference vars to VLAs.
17236 * omp-low.c (lower_omp_target): Emit setup of OMP_CLAUSE_PRIVATE
17237 reference to VLA decls in the second pass instead of first pass.
17239 2016-03-02 Tom de Vries <tom@codesourcery.com>
17241 PR tree-optimization/68659
17242 * graphite-isl-ast-to-gimple.c (collect_all_ssa_names): Handle
17243 new_expr == NULL_TREE.
17244 (get_new_name): Handle ADDR_EXPR.
17246 2016-03-02 Bin Cheng <bin.cheng@arm.com>
17248 PR rtl-optimization/69052
17249 * loop-invariant.c (canonicalize_address): New function.
17250 (inv_can_prop_to_addr_use): Check validity of address expression
17251 which is canonicalized by above function.
17253 2016-03-02 Alan Modra <amodra@gmail.com>
17256 * ipa-icf.c (sem_variable::merge): Do not merge an alias with
17259 2016-03-02 Jakub Jelinek <jakub@redhat.com>
17262 * config/i386/i386.md (kmovw): Move m constraint to 2nd alternative.
17263 (*movhi_internal): Put mask moves from and to memory separately
17264 from moves from/to GPRs.
17266 2016-03-02 Richard Biener <rguenther@suse.de>
17268 * genmatch.c (dt_node::gen_kids): Fix match code-gen for embedded
17269 GENERIC expressions in GIMPLE.
17271 2016-03-02 Richard Biener <rguenther@suse.de>
17273 * config/i386/i386.c (type_natural_mode): Fix typo.
17275 2016-03-02 Nick Clifton <nickc@redhat.com>
17277 * config.gcc (mep-*-elf): Add newlib-stdint.h to tm_file.
17279 2016-03-02 Richard Biener <rguenther@suse.de>
17280 Uros Bizjak <ubizjak@gmail.com>
17283 * config/i386/i386.c (type_natural_mode): Handle XFmode vectors.
17285 2016-03-02 Richard Biener <rguenther@suse.de>
17287 PR middle-end/67278
17288 * tree-cfg.c (verify_expr): Adjust BIT_FIELD_REF case.
17290 2016-03-02 Marek Polacek <polacek@redhat.com>
17293 * gimplify.c (gimplify_va_arg_expr): Use expanded location for the
17294 "is promoted to" warning.
17296 2016-03-01 DJ Delorie <dj@redhat.com>
17298 * config.gcc: Deprecate mep-*.
17300 2016-03-01 Vladimir Makarov <vmakarov@redhat.com>
17302 PR middle-end/70025
17303 * lra-constraints.c (regno_val_use_in): New.
17304 (match_reload): Use it instead of regno_use_in.
17306 2016-03-01 Eric Botcazou <ebotcazou@adacore.com>
17308 PR rtl-optimization/70007
17309 * gcse.c (compute_ld_motion_mems): Tidy up and also invalidate memory
17310 references present in REG_EQUAL notes attached to non-SET patterns.
17312 2016-03-01 Jeff Law <law@redhat.com>
17314 PR tree-optimization/69196
17315 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
17316 Appropriately clamp the number of statements to copy when the
17317 thread path does not traverse a loop backedge.
17319 PR tree-optimization/69196
17320 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
17321 Do count some PHIs in the thread path against the insn count. Decrease
17322 final statement count by one as the control statement in the last
17323 block will get removed. Remove special cased code for handling PHIs
17326 2016-03-01 Uros Bizjak <ubizjak@gmail.com>
17329 * config/i386/i386.c (ix86_output_call_insn): Add -masm=intel
17330 asm dialect alternatives to explicit GOTPCREL calls.
17332 2016-03-01 Eric Botcazou <ebotcazou@adacore.com>
17335 * ira.c (do_reload): Issue warning for generic stack checking here...
17336 * reload1.c (reload): ...instead of here and streamline it.
17338 2016-03-01 Nick Clifton <nickc@redhat.com>
17340 * config.gcc (cr16-*-elf): Add newlib-stdint.h to tm_file.
17342 2016-03-01 Richard Biener <rguenther@suse.de>
17344 PR tree-optimization/69983
17345 * tree-chrec.c (eq_evolutions_p): Handle conversions, compare
17346 types and fall back to operand_equal_p.
17348 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
17351 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
17353 * config/s390/constraints.md ("jm8"): New constraint.
17354 * config/s390/predicates.md ("const_int_8bitset_operand"): New
17356 * config/s390/s390.md ("*setmem_long", "*setmem_long_and"): Merge
17358 ("*setmem_long<setmem_and>"): New pattern.
17359 ("*setmem_long_31z", "*setmem_long_and_31z"): Merge
17361 ("*setmem_long_31z<setmem_and>"): New pattern.
17362 * config/s390/subst.md ("setmem_31z_subst", "setmem_and_subst"):
17363 New substitution rules with the required attributes.
17366 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
17369 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
17371 * gensupport.c (process_substs_on_one_elem): Split loop to
17372 complete mark_operands_used_in_match_dup on all expressions in the
17374 (adjust_operands_numbers): Inline into process_substs_on_one_elem
17375 and remove function.
17377 2016-03-01 Richard Biener <rguenther@suse.de>
17379 PR middle-end/70022
17380 * fold-const.c (fold_indirect_ref_1): Fix range checking for
17381 vector BIT_FIELD_REF extract.
17383 2016-03-01 Richard Biener <rguenther@suse.de>
17385 PR tree-optimization/69994
17386 * tree-ssa-reassoc.c (ops_equal_values_p): Handle missing case.
17388 2016-03-01 Ilya Enkovich <enkovich.gnu@gmail.com>
17390 PR tree-optimization/69956
17391 * tree-vect-stmts.c (supportable_widening_operation): Support
17392 multi-step conversion of boolean vectors.
17393 (supportable_narrowing_operation): Likewise.
17395 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
17397 * config/s390/s390.c (s390_decompose_address): Don't accept SImode
17400 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
17402 * config/s390/subst.md (DSI_VI): New mode iterator.
17403 ("addr_style_op_subst"): Use DSI_VI instead of DSI.
17404 * config/s390/vector.md ("vec_set<mode>"): Move expander before
17405 the insn definition.
17406 ("*vec_set<mode>"): Change predicate and add alternative to
17407 support only either register or const_int operands as element
17409 ("*vec_set<mode>_plus"): New pattern to support reg + const_int
17411 ("vec_extract<mode>"): New expander.
17412 ("*vec_extract<mode>"): New insn definition supporting reg and
17413 const_int element selectors.
17414 ("*vec_extract<mode>_plus"): New insn definition supporting
17415 reg+const_int element selectors.
17416 ("rotl<mode>3", "ashl<mode>3", "ashr<mode>3"): Merge into the
17417 following expander+insn definition.
17418 ("<vec_shifts_name><mode>3"): New expander.
17419 ("*<vec_shifts_name><mode>3<addr_style_op>"): New insn definition.
17421 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
17423 * config/s390/s390.md ("*tabort_1"): Change predicate to
17424 nonmemory_operand. Add a second alternative to cover
17425 register as well as const int operands.
17426 ("*tabort_1_plus"): New pattern definition.
17428 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
17430 * config/s390/s390.md ("*ashrdi3_cc_31")
17431 ("*ashrdi3_cconly_31""*ashrdi3_cc_31_and")
17432 ("*ashrdi3_cconly_31_and", "*ashrdi3_31_and", "*ashrdi3_31"):
17433 Merge insn definitions into ...
17434 ("*ashrdi3_31<addr_style_op_cc><masked_op_cc><setcc><cconly>"):
17435 New pattern definition.
17436 ("*ashr<mode>3_cc", "*ashr<mode>3_cconly", "ashr<mode>3", )
17437 ("*ashr<mode>3_cc_and", "*ashr<mode>3_cconly_and")
17438 ("*ashr<mode>3_and"): Merge insn definitions into ...
17439 ("*ashr<mode>3<addr_style_op_cc><masked_op_cc><setcc><cconly>"):
17440 New pattern definition.
17441 * config/s390/subst.md ("addr_style_op_cc_subst")
17442 ("masked_op_cc_subst", "setcc_subst", "cconly_subst"): New
17443 substitutions patterns plus attributes.
17444 Add ashiftrt to SUBST iterator.
17446 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
17448 * config/s390/s390.md ("<shift><mode>3"): Change predicate of
17449 op2 to nonmemory_operand.
17450 ("*<shift>di3_31", "*<shift>di3_31_and"):
17451 Merge into single pattern definition ...
17452 ("*<shift>di3_31<addr_style_op><masked_op>"): New pattern.
17453 ("*<shift><mode>3", "*<shift><mode>3_and"): Merge into single
17454 pattern definition ...
17455 ("*<shift><mode>3<addr_style_op><masked_op>"): New pattern.
17456 * config/s390/subst.md: Add ashift and lshiftrt to SUBST
17459 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
17461 * config/s390/predicates.md (const_int_6bitset_operand): New
17463 * config/s390/s390.md: Include subst.md.
17464 ("rotl<mode>3"): New expander.
17465 ("rotl<mode>3", "*rotl<mode>3_and"): Merge insn definitions into
17467 ("*rotl<mode>3<addr_style_op><masked_op>"): New insn definition.
17468 * config/s390/subst.md: New file.
17470 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
17472 * config/s390/s390.md ("op_type", "atype", "length" attributes):
17473 Remove RRR type. It doesn't really exist.
17474 ("RRer", "f0", "v0", "vf", "vd", "op1", "Rf"): Remove mode
17476 ("BFP", "DFP", "nDSF", "nDFDI"): Add mode attributes.
17477 ("*cmp<mode>_ccs", "floatdi<mode>2", "add<mode>3")
17478 ("*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3")
17479 ("*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3")
17480 ("fma<mode>4", "fms<mode>4", "div<mode>3", "*neg<mode>2")
17481 ("*abs<mode>2", "*negabs<mode>2", "sqrt<mode>2"): Override
17482 `enabled' attribute.
17484 2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
17486 * gensupport.c (process_substs_on_one_elem): Split loop to
17487 complete mark_operands_used_in_match_dup on all expressions in the
17489 (adjust_operands_numbers): Inline into process_substs_on_one_elem
17490 and remove function.
17492 2016-02-29 Eric Botcazou <ebotcazou@adacore.com>
17495 * config/sparc/sparc.c (NWORDS_UP): Rename to...
17496 (CEIL_NWORDS): ...this. Use CEIL macro.
17497 (compute_fp_layout): Adjust to above renaming.
17498 (function_arg_union_value): Likewise.
17499 (sparc_arg_partial_bytes): Likewise.
17500 (sparc_function_arg_advance): Likewise.
17502 2016-02-29 Jeff Law <law@redhat.com>
17504 PR tree-optimization/70005
17505 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Handle case
17506 where an object with a boolean range is compared against a value
17509 PR tree-optimization/69999
17510 * gimple-ssa-split-paths.c (split_paths): When duplicating a block
17511 with an outgoing edge marked with EDGE_IRREDUCIBLE_LOOP, schedule
17514 2016-02-29 Richard Biener <rguenther@suse.de>
17516 PR tree-optimization/69994
17517 * tree-ssa-reassoc.c (gimple_nop_conversion_p): New function.
17518 (get_unary_op): Look through nop conversions.
17519 (ops_equal_values_p): New function, look for equality diregarding
17521 (eliminate_plus_minus_pair): Use ops_equal_values_p
17522 (repropagate_negates): Do not use get_unary_op here.
17524 2016-02-29 Martin Liska <mliska@suse.cz>
17526 * system.h: Poison ENABLE_CHECKING macro.
17528 2016-02-29 Martin Liska <mliska@suse.cz>
17530 * hsa-gen.c (gen_body_from_gimple): Dump only if TDF_DETAILS
17531 is presented in dump flags.
17532 * hsa-regalloc.c (linear_scan_regalloc): Likewise.
17533 (hsa_regalloc): Likewise.
17535 2016-02-19 Richard Biener <rguenther@suse.de>
17537 PR tree-optimization/69980
17538 * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Update
17539 permutation of those we need to keep.
17541 2016-02-29 Eric Botcazou <ebotcazou@adacore.com>
17544 * config/sparc/sparc.c (ROUND_ADVANCE): Rename to...
17545 (NWORDS_UP): ...this
17546 (init_cumulative_args): Minor tweaks.
17547 (sparc_promote_function_mode): Likewise.
17548 (scan_record_type): Delete.
17549 (traverse_record_type): New function template.
17550 (classify_data_t): New structure type.
17551 (classify_registers): New inline function.
17552 (function_arg_slotno): In 64-bit mode, bail out early if FP slots are
17553 exhausted. Instantiate traverse_record_type on classify_registers and
17554 deal with the case of a structure passed in slot #15 with no FP field
17556 (assign_data_t): New structure type.
17557 (compute_int_layout): New static function.
17558 (compute_fp_layout): Likewise.
17559 (count_registers): New inline function.
17560 (assign_int_registers): New static function.
17561 (assign_fp_registers): Likewise.
17562 (assign_registers): New inline function.
17563 (function_arg_record_value_1): Delete.
17564 (function_arg_record_value_2): Likewise.
17565 (function_arg_record_value_3): Likewise.
17566 (function_arg_record_value): Adjust to above changes. Instantiate
17567 traverse_record_type on count_registers to first count the number of
17568 registers to be used and then on assign_registers to assign them.
17569 (function_arg_union_value): Adjust to above renaming.
17570 (sparc_function_arg_1); Minor tweaks. Remove commented out code.
17571 (sparc_arg_partial_bytes): Adjust to above renaming. Deal with the
17572 case of a structure passed in slot #15
17573 (sparc_function_arg_advance): Likewise.
17574 (function_arg_padding): Minor tweak.
17576 2016-02-29 Richard Biener <rguenther@suse.de>
17578 PR tree-optimization/69720
17579 * tree-vect-loop.c (get_initial_def_for_reduction): Avoid
17580 the adjustment_def path for possibly vectorized defs.
17581 (vect_create_epilog_for_reduction): Handle vectorized initial
17584 2016-02-28 Eric Botcazou <ebotcazou@adacore.com>
17586 * config/i386/cygming.h (STACK_REALIGN_DEFAULT): Define.
17588 2016-02-27 Jeff Law <law@redhat.com>
17591 2016-02-26 Richard Biener <rguenther@suse.de>
17592 Jeff Law <law@redhat.com>
17594 PR tree-optimization/69740
17595 * cfghooks.c (remove_edge): Request loop fixups if we delete
17596 an edge that might turn an irreducible loop into a natural
17599 2016-02-27 Jakub Jelinek <jakub@redhat.com>
17601 PR rtl-optimization/69896
17602 * tree-vect-generic.c (get_compute_type): Avoid single element
17605 2016-02-26 Evandro Menezes <e.menezes@samsung.com>
17607 Rename the AArch64 tuning option and related functions to enable the
17608 Newton series for the reciprocal square root to reflect its
17609 approximative characteristic.
17611 * config/aarch64/aarch64-protos.h (aarch64_emit_swrsqrt): Rename
17612 function to "aarch64_emit_approx_rsqrt".
17613 * config/aarch64/aarch64-tuning-flags.def: Rename tuning flag to
17614 AARCH64_EXTRA_TUNE_APPROX_RSQRT.
17615 * config/aarch64/aarch64.c (exynosm1_tunigs): Use new flag name.
17616 (xgene1_tunings): Likewise.
17617 (use_rsqrt_p): Likewise.
17618 (aarch64_emit_swrsqrt): Use new function name.
17619 * config/aarch64/aarch64-simd.md (aarch64_rsqrts_*): Likewise.
17620 * config/aarch64/aarch64.opt (mlow-precision-recip-sqrt): Reword the
17621 text explaining this option.
17622 * doc/invoke.texi (-mlow-precision-recip-sqrt): Likewise.
17624 2016-02-26 Jakub Jelinek <jakub@redhat.com>
17627 * config/rs6000/rs6000.c (rs6000_option_override_internal): Don't
17628 complain about -mallow-movmisalign without -mvsx if
17629 TARGET_ALLOW_MOVMISALIGN was not set explicitly.
17631 2016-02-26 Joel Sherrill <joel@rtems.org>
17633 * config.gcc: Add x86_64-*-rtems*.
17634 * config/i386/rtems-64.h: New file.
17636 2016-02-26 Joel Sherrill <joel@rtems.org>
17638 * config.gcc: Add aarch64-*-rtems*.
17639 * config/aarch64/rtems.h: New file.
17641 2016-02-26 Segher Boessenkool <segher@kernel.crashing.org>
17644 * config/rs6000/rs6000.c (rs6000_insn_for_shift_mask): Print rlwinm
17645 shift amount using %h. Add comment.
17647 2016-02-26 Richard Biener <rguenther@suse.de>
17648 Jeff Law <law@redhat.com>
17650 PR tree-optimization/69740
17651 * cfghooks.c (remove_edge): Request loop fixups if we delete
17652 an edge that might turn an irreducible loop into a natural
17655 2016-02-26 Martin Jambor <mjambor@suse.cz>
17657 PR middle-end/69920
17658 * tree-sra.c (sra_modify_assign): Do not remove loads of
17659 uninitialized aggregates to SSA_NAMEs.
17661 2016-02-26 Richard Henderson <rth@redhat.com>
17664 * config/s390/s390.md (risbg and risbgn splitters): Allocate new
17665 pseudo in case the target rtx matches the source of the left
17668 2016-02-26 Martin Jambor <mjambor@suse.cz>
17671 * hsa.h (hsa_type_packed_p): Declare.
17672 * hsa.c (hsa_type_packed_p): New function.
17673 * hsa-gen.c (mem_type_for_type): Use unsigned type for packed
17675 (gen_hsa_insns_for_store): Use hsa_type_packed_p.
17676 * hsa-brig.c (emit_basic_insn): Likewise.
17678 2016-02-26 Martin Jambor <mjambor@suse.cz>
17681 * hsa-gen.c (gen_hsa_phi_from_gimple_phi): Use proper hsa type for
17683 (gen_hsa_addr): Allow integer constants in TMR_INDEX2.
17685 2016-02-26 Martin Jambor <mjambor@suse.cz>
17687 * hsa.h (is_a_helper): New overload for hsa_op_immed for
17688 hsa_op_with_type operands.
17689 (hsa_unsigned_type_for_type): Declare.
17690 * hsa.c (hsa_unsigned_type_for_type): New function.
17691 * hsa-gen.c (gen_hsa_binary_operation): Use hsa_unsigned_type_for_type.
17692 (gen_hsa_insns_for_operation_assignment): Satisfy constrains of
17693 the finalizer. Do not emit extra move.
17695 2016-02-26 Martin Jambor <mjambor@suse.cz>
17697 * hsa-gen.c (gen_hsa_ternary_atomic_for_builtin): Fail in presence of
17698 atomic operations in private segment.
17700 2016-02-26 Martin Jambor <mjambor@suse.cz>
17702 * omp-low.c (grid_find_ungridifiable_statement): Store problematic
17703 statements to wi->info. Also disallow omp simd constructs.
17704 (grid_target_follows_gridifiable_pattern): Use wi.info to dump reason
17705 for not gridifying. Dump special string for omp_for.
17707 2016-02-26 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
17710 * config/aarch64/aarch64.c (aarch64_set_current_function):
17711 Save/restore target globals when switching to
17712 target_option_default_node.
17714 2016-02-26 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
17717 * config/aarch64/aarch64.c (aarch64_shift_truncation_mask):
17718 Return 0 if !SHIFT_COUNT_TRUNCATED.
17720 2016-02-26 Jakub Jelinek <jakub@redhat.com>
17721 Eric Botcazou <ebotcazou@adacore.com>
17723 PR rtl-optimization/69891
17724 * dse.c (scan_insn): If we can't figure out memset arguments
17725 or they are non-constant, call clear_rhs_from_active_local_stores.
17727 2016-02-26 Martin Liska <mliska@suse.cz>
17729 * doc/extend.texi: Mention clog10, clog10f an clog10l
17730 in Builtins section.
17732 2016-02-26 Martin Liska <mliska@suse.cz>
17734 * dwarf2out.c (new_loc_descr): Replace ENABLE_CHECKING with
17736 (resolve_args_picking_1): Likewise.
17737 * dwarf2out.h (struct GTY): Likewise.
17739 2016-02-26 Martin Liska <mliska@suse.cz>
17741 * hsa-gen.c (generate_hsa): Replace ENABLE_CHECKING macro
17742 with flag_checking.
17743 * hsa-regalloc.c (linear_scan_regalloc): Likewise.
17745 2016-02-26 Markus Trippelsdorf <markus@trippelsdorf.de>
17746 Martin Liska <mliska@suse.cz>
17748 * doc/install.texi: Mention --enable-valgrind-annotations.
17750 2016-02-26 Richard Biener <rguenther@suse.de>
17752 PR tree-optimization/69551
17753 * tree-ssa-structalias.c (get_constraint_for_ssa_var): When
17754 looking through aliases adjust DECL_PT_UID to refer to the
17755 ultimate alias target.
17757 2016-02-25 Martin Liska <mliska@suse.cz>
17759 PR middle-end/69919
17760 * alloc-pool.c (after_memory_report): New variable.
17761 * alloc-pool.h (base_pool_allocator ::release): Do not use
17762 the infrastructure if after_memory_report.
17763 * toplev.c (toplev::main): Mark after memory report.
17765 2016-02-25 Richard Biener <rguenther@suse.de>
17767 PR tree-optimization/48795
17768 * tree-vrp.c (check_array_ref): Use array_at_struct_end_p.
17770 2016-02-25 Ilya Verbin <ilya.verbin@intel.com>
17773 * config/gnu-user.h (CRTOFFLOADBEGIN): Define. Add crtoffloadbegin.o if
17774 offloading is enabled and -fopenacc or -fopenmp is specified.
17775 (CRTOFFLOADEND): Likewise.
17776 (GNU_USER_TARGET_STARTFILE_SPEC): Add CRTOFFLOADBEGIN.
17777 (GNU_USER_TARGET_ENDFILE_SPEC): Add CRTOFFLOADEND.
17778 * lto-wrapper.c (offloadbegin, offloadend): Remove static vars.
17779 (offload_objects_file_name): New static var.
17780 (tool_cleanup): Remove offload_objects_file_name file.
17781 (find_offloadbeginend): Replace with ...
17782 (find_crtoffloadtable): ... this.
17783 (run_gcc): Remove offload_argc and offload_argv.
17784 Get offload_objects_file_name from -foffload-objects=... option.
17785 Read names of object files with offload from this file, pass them to
17786 compile_images_for_offload_targets. Don't call find_offloadbeginend and
17787 don't pass offloadbegin and offloadend to the linker. Don't pass
17788 offload non-LTO files to the linker, because now they're not claimed.
17790 2016-02-25 Jan Hubicka <hubicka@ucw.cz>
17793 * ipa-devirt.c (possible_polymorphic_call_targets): Do not ICE
17794 on builtin_unreachable.
17796 2016-02-25 Jakub Jelinek <jakub@redhat.com>
17798 PR rtl-optimization/69896
17799 * regcprop.c: Include cfgrtl.h.
17800 (copyprop_hardreg_forward_1): If noop_p insn uses narrower
17801 than remembered mode, either delete it (if noop_move_p), or
17802 treat like copy_p but not noop_p instruction.
17804 2016-02-24 Jakub Jelinek <jakub@redhat.com>
17807 * dwarf2out.c (gen_variable_die): Work around buggy LTO
17808 - allow NULL decl for Fortran DW_TAG_common_block variables.
17810 2016-02-24 Jason Merrill <jason@redhat.com>
17812 * common.opt (flifetime-dse): Add -flifetime-dse=1.
17814 2016-02-24 Richard Biener <rguenther@suse.de>
17815 Jakub Jelinek <jakub@redhat.com>
17817 PR middle-end/69760
17818 * tree-scalar-evolution.c (interpret_rhs_expr): Re-write
17819 conditionally executed ops to well-defined overflow behavior.
17821 2016-02-24 Jakub Jelinek <jakub@redhat.com>
17823 PR middle-end/69915
17824 * tree.c (build_vector_from_ctor): Fix handling of VECTOR_CST
17827 2016-02-24 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
17829 PR rtl-optimization/69886
17830 * gcse.c (can_assign_to_reg_without_clobbers_p): Accept mode
17831 argument. Use it when checking validity of set instructions.
17832 (want_to_gcse_p): Pass mode to can_assign_to_reg_without_clobbers_p.
17833 (compute_ld_motion_mems): Update can_assign_to_reg_without_clobbers_p
17835 * rtl.h (can_assign_to_reg_without_clobbers_p): Update prototype.
17836 * store-motion.c (find_moveable_store): Update
17837 can_assign_to_reg_without_clobbers_p callsite.
17839 2016-02-24 Richard Biener <rguenther@suse.de>
17841 PR middle-end/68963
17842 * tree-ssa-loop-niter.c (derive_constant_upper_bound_ops): Fix
17844 (record_nonwrapping_iv): Do not fall back to the low/high bound
17845 for non-constant IV bases if the stmt is not always executed.
17847 2016-02-24 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
17849 * config/arm/arm-cores.def (cortex-a32): New entry.
17850 * config/arm/arm-tables.opt: Regenerate.
17851 * config/arm/arm-tune.md: Regenerate.
17852 * config/arm/bpabi.h (BE8_LINK_SPEC): Add mcpu=cortex-a32.
17853 * config/arm/t-aprofile: Handle mcpu=cortex-a32.
17854 * doc/invoke.texi (ARM Options): Document cortex-a32 as value
17855 for -mcpu and -mtune.
17857 2016-02-24 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
17860 * config/arm/arm.h (TARGET_HAVE_LPAE): Define.
17861 * config/arm/unspecs.md (VUNSPEC_LDRD_ATOMIC): New value.
17862 * config/arm/sync.md (arm_atomic_loaddi2_ldrd): New pattern.
17863 (atomic_loaddi_1): Delete.
17864 (atomic_loaddi): Rewrite expander using the above changes.
17866 2016-02-24 Jakub Jelinek <jakub@redhat.com>
17869 * params.def (PARAM_MAX_SSA_NAME_QUERY_DEPTH): Bump default from
17872 2016-02-24 Jakub Jelinek <jakub@redhat.com>
17873 Richard Biener <rguenth@suse.de>
17875 PR middle-end/69909
17876 * expr.c (expand_expr_real_1) <normal_inner_ref>: Avoid
17877 set_mem_attributes if tem is SSA_NAME which got expanded
17880 2016-02-24 Richard Biener <rguenther@suse.de>
17882 PR tree-optimization/69907
17883 * tree-vect-stmts.c (vectorizable_load): Check for gaps at the
17884 end of permutations for BB vectorization.
17886 2016-02-24 Christian Bruel <christian.bruel@st.com>
17888 * config/arm/arm-c.c (arm_option_override): Initialize
17889 target_option_current_node.
17890 * config/arm/arm.c (arm_pragma_target_parse): Replace
17891 build_target_option_node call by target_option_current_node.
17892 Set target_option_current_node.
17895 2016-02-23 David Edelsohn <dje.gcc@gmail.com>
17898 * config/rs6000/rs6000.md (zero_extendqi<mode>2_dot): Convert from
17899 define_insn_and_split to define_insn.
17900 (zero_extendqi<mode>2_dot2): Same.
17901 (extendqi<mode>2_dot): Same.
17902 (extendqi<mode>2_dot2): Same.
17904 2016-02-23 Evandro Menezes <e.menezes@samsung.com>
17906 * config/arm/exynos-m1.md: Change cost of STP, fix bypass for stores
17907 and add bypass for AES{D,E} and AESMC pairs.
17908 * config/aarch64/aarch64.c (exynosm1_tunings): Enable fusion of AES{D,E}
17911 2016-02-23 Evandro Menezes <e.menezes@samsung.com>
17913 * config/aarch64/aarch64.c (exynosm1_tunings): Enable the Newton
17914 series for reciprocal square root in Exynos M1.
17916 2016-02-23 Martin Sebor <msebor@redhat.com>
17919 * doc/extend.texi (Other Builtins): Document __builtin_alloca and
17920 __builtin_alloca_with_align.
17922 2016-02-23 Richard Henderson <rth@redhat.com>
17924 * config/i386/i386-c.c (ix86_target_macros): Remove __SEG_TLS.
17925 (ix86_register_pragmas): Remove __seg_tls.
17926 * config/i386/i386-protos.h (ADDR_SPACE_SEG_TLS): Remove.
17927 * config/i386/i386.c (ix86_print_operand_address_as): Don't handle it.
17928 (ix86_addr_space_subset_p, TARGET_ADDR_SPACE_SUBSET_P): Remove.
17929 (ix86_addr_space_convert, TARGET_ADDR_SPACE_CONVERT): Remove.
17930 (ix86_addr_space_debug, TARGET_ADDR_SPACE_DEBUG): Remove.
17931 * doc/extend.texi (__seg_tls): Remove item.
17933 2016-02-23 Richard Biener <rguenther@suse.de>
17935 * alloc-pool.h (struct allocation_object): Make id member
17936 conditional on CHECKING_P again.
17937 (get_instance): Adjust.
17938 (base_pool_allocator): Likewise.
17940 2016-02-23 Thomas Schwinge <thomas@codesourcery.com>
17942 * tree-parloops.c (create_parallel_loop, gen_parallel_loop)
17943 (parallelize_loops): In OpenACC kernels mode, set n_threads to
17945 (pass_parallelize_loops::gate): In OpenACC kernels mode, gate on
17947 * tree-ssa-loop.c (gate_oacc_kernels): Likewise.
17949 2016-02-23 Richard Biener <rguenther@suse.de>
17951 * mem-stats.h (struct mem_usage): Use PRIu64 for printing size_t.
17952 * bitmap.h (struct bitmap_usage): Likewise.
17953 (bitmap_move): Declare.
17954 * bitmap.c (register_overhead): Take size_t argument.
17955 (bitmap_move): New function.
17956 * df-problems.c (df_rd_transfer_function): Use bitmap_move
17957 to properly account overhead.
17958 * tree.c (free_node): Use tree_size.
17960 2016-02-23 Jakub Jelinek <jakub@redhat.com>
17963 * fold-const.c (fold_truth_not_expr): Propagate TREE_NO_WARNING
17964 when inverting comparison.
17967 * common.opt (Wunreachable-code): Add Warning flag.
17969 2016-02-23 Mark Wielaard <mjw@redhat.com>
17970 Jakub Jelinek <jakub@redhat.com>
17973 * cgraphunit.c (check_global_declaration): Check main_input_filename
17974 and DECL_SOURCE_FILE are not NULL.
17976 2016-02-23 Martin Jambor <mjambor@suse.cz>
17978 PR tree-optimization/69666
17979 * tree-sra.c (sra_modify_assign): Do not attempt to create
17980 default_def replacements for unscalarizable regions.
17982 2016-02-20 Mark Wielaard <mjw@redhat.com>
17985 * cgraphunit.c (check_global_declaration): Check level of
17986 warn_unused_const_variable and main_input_filename.
17987 * doc/invoke.texi (Warning Options): Add -Wunused-const-variable=.
17988 (-Wunused-variable): For C implies -Wunused-const-variable=1.
17989 (-Wunused-const-variable): Explain levels 1 and 2.
17991 2016-02-22 Jakub Jelinek <jakub@redhat.com>
17994 * config/i386/i386.c (decide_alg): Ensure we don't recurse with
17995 identical arguments. Formatting and spelling fixes.
17998 * doc/md.texi (ashl@var{m}3): Document that mode of operand 2 must
18003 * config/m68k/t-opts (OPTIONS_H_EXTRA): Add m68k-microarchs.def
18004 and m68k-devices.def.
18005 * config/c6x/t-c6x (OPTIONS_H_EXTRA): Add c6x-isas.def.
18006 * config/aarch64/t-aarch64 (OPTIONS_H_EXTRA): Add aarch64-arches.def.
18008 2016-02-22 Cesar Philippidis <cesar@codesourcery.com>
18010 * config/nvptx/nvptx.c (nvptx_gen_shuffle): Add support for QImode
18011 and HImode registers.
18013 2016-02-22 Richard Biener <rguenther@suse.de>
18015 PR tree-optimization/69882
18016 * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Properly
18017 preserve permutations present because of gaps.
18018 (vect_supported_load_permutation_p): Always continue checking
18019 permutations after vect_attempt_slp_rearrange_stmts.
18021 2016-02-22 Bin Cheng <bin.cheng@arm.com>
18023 * tree-vect-loop.c (vect_estimate_min_profitable_iters): Dump
18024 min_profitable_estimate, rather than min_profitable_iters.
18026 2016-02-22 Jakub Jelinek <jakub@redhat.com>
18029 * config/m68k/m68k.md (ashldi3, ashrdi3, lshrdi3): Use
18030 SImode for last match_operand.
18032 2016-02-22 Martin Liska <mliska@suse.cz>
18034 * hsa-gen.c (gen_hsa_clrsb): In case of zero value,
18035 return bitsize - 1 as the return value.
18037 2016-02-22 Oleg Endo <olegendo@gcc.gnu.org>
18041 * config/sh/sh.c (sh_lshrsi_clobbers_t_reg_p, sh_dynamicalize_shift_p):
18042 Handle negative shift counts.
18043 * config/sh/sh.md (ashlsi3, lshrsi3_n, lshrsi3_n_clobbers_t): Don't use
18044 force_reg on the shift constant.
18045 (lshrsi3): Likewise. Expand into lshrsi3_n* instead of lshrsi3_d.
18046 (lshrsi3_d): Handle negative shift counts.
18048 2016-02-22 Richard Biener <rguenther@suse.de>
18049 Tom de Vries <tom@codesourcery.com>
18051 * graph.c: Include dumpfile.h.
18052 (print_graph_cfg): Split into three overloads.
18053 * gdbhooks.py (class DotFn): Add and instantiate, adding command dot-fn.
18055 2016-02-22 Tom de Vries <tom@codesourcery.com>
18057 * gdbhooks.py (class DumpFn): Add and instantiate, adding command
18060 2016-02-22 Richard Biener <rguenther@suse.de>
18063 * ipa-inline-transform.c (inline_call): When not updating
18064 overall summaries adjust self size by the growth estimate.
18065 * ipa-inline.c (inline_to_all_callers_1): Add to the callers
18066 hash-set, do not update overall summaries here. Renamed from ...
18067 (inline_to_all_callers): ... this which is now wrapping the
18068 above and performing delayed overall summary update.
18069 (early_inline_small_functions): Delay updating of the overall
18072 2016-02-21 Markus Trippelsdorf <markus@trippelsdorf.de>
18074 * tree-chkp.c (chkp_mark_invalid_bounds_walker): Initialize
18077 2016-02-19 Jakub Jelinek <jakub@redhat.com>
18080 * gcc.c (LINK_COMMAND_SPEC, GOMP_SELF_SPECS): Use
18081 :%* in %:gt() argument.
18082 (greater_than_spec_func): Adjust for expecting only numbers,
18083 if there are more than two numbers, compare the last two.
18085 2016-02-19 Jonathan Wakely <jwakely@redhat.com>
18087 * doc/invoke.texi (C++ Dialect Options): Clarify interaction of
18088 -Wnarrowing with -std.
18090 2016-02-19 Jakub Jelinek <jakub@redhat.com>
18093 * expr.c (store_field): Don't use bit-field path if exp is
18094 COMPONENT_REF with TREE_ADDRESSABLE type, where TYPE_SIZE is
18095 different from bitsize, but DECL_SIZE of FIELD_DECL is bitsize
18096 and the assignment can be performed by bitwise copy. Formatting
18099 PR middle-end/69838
18100 * lra.c (lra_process_new_insns): If non-call exceptions are enabled,
18101 call copy_reg_eh_region_note_forward on before and/or after sequences
18102 and remove note from insn if it no longer can throw.
18105 * config/i386/sse.md (VI_512): Only include V64QImode and V32HImode
18106 if TARGET_AVX512BW.
18108 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
18110 * config/s390/vector.md: Add missing commutative operand markers
18111 to the patterns which qualify for one.
18112 * config/s390/vx-builtins.md: Likewise.
18114 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
18116 * config/s390/vector.md (VI, VI_QHS): Add single element vector
18117 types to mode iterators.
18118 (vec_double): ... and mode attribute.
18119 * config/s390/vx-builtins.md (non_vec_int): Likewise.
18121 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
18123 * config/s390/vector.md ("<ti*>add<mode>3", "<ti*>sub<mode>3"):
18124 Change the predicate of op2 from nonimmediate to general and let
18125 reload fix it if necessary.
18127 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
18129 * config/s390/vecintrin.h (vec_sub_u128): Define missing macro.
18131 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
18133 * config/s390/s390.c (s390_expand_vcond): Use the compare operand
18136 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
18138 * config/s390/s390-protos.h: Add s390_expand_vec_movstr prototype.
18139 * config/s390/s390.c (s390_expand_vec_movstr): New function.
18140 * config/s390/s390.md ("movstr<P:mode>"): Call
18141 s390_expand_vec_movstr.
18143 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
18145 * config/s390/s390.md: Add missing output modifier for operand 1
18146 to print it as address properly.
18148 2016-02-19 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
18150 * config/s390/2827.md: Rename ooo_* insn attributes to zEC12_*.
18151 * config/s390/2964.md: New file.
18152 * config/s390/s390.c (s390_get_sched_attrmask): Use the right set
18153 of insn grouping attributes depending on the CPU level.
18154 (s390_get_unit_mask): New function.
18155 (s390_sched_score): Remove the OOO from the scheduling macros.
18156 Add loop to calculate a score for the instruction mix.
18157 (s390_sched_reorder): Likewise plus improve debug output.
18158 (s390_sched_variable_issue): Rename macros as above. Calculate
18159 the unit distances after actually scheduling an insn. Improve
18161 (s390_sched_init): Clear last_scheduled_unit_distance array.
18162 * config/s390/s390.md: Include 2964.md.
18164 2016-02-18 Jakub Jelinek <jakub@redhat.com>
18167 * config/i386/sse.md (*<floatsuffix>floatv2div2sf2_mask_1,
18168 *avx512vl_<code>v2div2qi2_mask_1, *avx512vl_<code><mode>v4qi2_mask_1,
18169 *avx512vl_<code><mode>v8qi2_mask_1, *avx512vl_<code><mode>v4hi2_mask_1,
18170 *avx512vl_<code>v2div2hi2_mask_1, *avx512vl_<code>v2div2si2_mask_1,
18171 *avx512f_<code>v8div16qi2_mask_1): New insns.
18173 2016-02-18 Michael Meissner <meissner@linux.vnet.ibm.com>
18176 * config/rs6000/predicates.md (fusion_gpr_addis): Revert
18179 * config/rs6000/rs6000.md (fusion_gpr_load_<mode>): Remove
18180 earlyclobber from target. Use wF constraint for fused memory
18182 (fusion_gpr_<P:mode>_<GPR_FUSION:mode>_load): Likewise.
18184 2016-02-18 Jakub Jelinek <jakub@redhat.com>
18185 Martin Liska <mliska@suse.cz>
18188 * cfgexpand.c (asan_sanitize_stack_p): New function.
18189 (partition_stack_vars): Use the function.
18190 (expand_stack_vars): Likewise.
18191 (defer_stack_allocation): Likewise.
18192 (expand_used_vars): Likewise.
18194 2016-02-18 Richard Biener <rguenther@suse.de>
18196 PR middle-end/69553
18197 * fold-const.c (operand_equal_p): Properly compare offsets for
18198 IMAGPART_EXPR and ARRAY_REF.
18200 2016-02-18 Nick Clifton <nickc@redhat.com>
18204 * config/arm/arm.c (arm_option_override_internal): Disable
18205 interworking if the target does not support thumb instructions.
18206 (arm_reload_in_hi): Handle the case where a register to register
18207 move needs reloading because there is no simple pattern to handle
18209 (arm_reload_out_hi): Likewise.
18211 2016-02-18 Richard Biener <rguenther@suse.de>
18213 PR middle-end/69854
18214 * match.pd: Don't use fold_binary or fold_unary for folding
18217 2016-02-17 Jakub Jelinek <jakub@redhat.com>
18220 * gimplify.c (gimplify_cond_expr): Call gimple_set_no_warning
18221 on the cond_stmt from TREE_NO_WARNING on COND_EXPR_COND.
18222 * gimple-ssa-nonnull-compare.c (do_warn_nonnull_compare): Don't
18223 warn on gimple_no_warning_p statements.
18225 2016-02-17 Jonathan Wakely <jwakely@redhat.com>
18227 * doc/extend.texi (C++ Attributes): Correct description of
18228 warn_unused type attribute.
18230 2016-02-17 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
18232 * config/rs6000/altivec.md (*altivec_lvxl_<mode>_internal): Output
18233 correct instruction.
18235 2016-02-17 Richard Biener <rguenther@suse.de>
18237 PR rtl-optimization/69609
18238 * bb-reorder.c (struct bbro_basic_block_data): Add priority member.
18239 (find_traces_1_round): When ending a trace update cached priority
18241 (bb_to_key): Use cached priority when available.
18242 (copy_bb): Initialize cached priority.
18243 (reorder_basic_blocks_software_trace_cache): Likewise.
18245 2016-02-17 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
18248 * config/aarch64/predicates.md (aarch64_comparison_operator_mode):
18250 (aarch64_comparison_operator): Break overly long line into two.
18251 (aarch64_comparison_operation): Likewise.
18252 * config/aarch64/aarch64.md (cstorecc4): Use
18253 aarch64_comparison_operator_mode instead of
18254 aarch64_comparison_operator.
18255 (cstore<mode>4): Likewise.
18256 (aarch64_cstore<mode>): Likewise.
18257 (*cstoresi_insn_uxtw): Likewise.
18258 (cstore<mode>_neg): Likewise.
18259 (*cstoresi_neg_uxtw): Likewise.
18261 2016-02-17 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
18264 * config/arm/predicates.md (arm_comparison_operator_mode):
18266 * config/arm/arm.md (*mov_scc): Use arm_comparison_operator_mode
18267 instead of arm_comparison_operator.
18268 (*mov_negscc): Likewise.
18269 (*mov_notscc): Likewise.
18270 * config/arm/thumb2.md (*thumb2_mov_scc): Likewise.
18271 (*thumb2_mov_negscc): Likewise.
18272 (*thumb2_mov_negscc_strict_it): Likewise.
18273 (*thumb2_mov_notscc): Likewise.
18274 (*thumb2_mov_notscc_strict_it): Likewise.
18276 2016-02-17 Wilco Dijkstra <wdijkstr@arm.com>
18278 * config/aarch64/aarch64.c (aarch64_internal_mov_immediate):
18279 Add missing return.
18281 2016-02-17 Eric Botcazou <ebotcazou@adacore.com>
18283 * config/visium/visium.c (machine_libfunc_index): New enum.
18284 (machine_libfuncs): New structure.
18285 (visium_libfuncs): New static variable.
18286 (TARGET_INIT_LIBFUNCS): Define to...
18287 (visium_init_libfuncs): ...this. New function.
18288 (expand_block_move_4): Use the appropriate libfunc.
18289 (expand_block_move_2): Likewise.
18290 (expand_block_move_1): Likewise.
18291 (expand_block_set_4): Likewise.
18292 (expand_block_set_2): Likewise.
18293 (expand_block_set_1): Likewise.
18294 (visium_trampoline_init): Likewise.
18296 2016-02-17 Nick Clifton <nickc@redhat.com>
18298 * config/msp430/msp430.c (msp430_mcu_data): Sync with data from
18299 TI's devices.csv file as of March 2016.
18301 2016-02-16 Kelvin Nilsen <kelvin@gcc.gnu.org>
18304 * opts-global.c (handle_common_deferred_options): Introduce and
18305 initialize two global variables to remember command-line options
18306 specifying a stack-limiting register.
18307 * opts.h: Add extern declarations of the two new global variables.
18308 * emit-rtl.c (init_emit_once): Initialize the stack_limit_rtx
18309 variable based on the values of the two new global variables.
18311 2016-02-16 Jakub Jelinek <jakub@redhat.com>
18314 * common.opt (Wnonnull-compare): New warning.
18315 * doc/invoke.texi (-Wnonnull): Remove text about comparison
18316 of arguments against NULL.
18317 (-Wnonnull-compare): Document.
18318 * Makefile.in (OBJS): Add gimple-ssa-nonnull-compare.o.
18319 * tree-pass.h (make_pass_warn_nonnull_compare): Declare.
18320 * passes.def (pass_warn_nonnull_compare): Add.
18321 * gimple-ssa-nonnull-compare.c: New file.
18323 2016-02-16 James Greenhalgh <james.greenhalgh@arm.com>
18325 * config/aarch64/aarch64.c (cortexa57_tunings): Remove
18326 AARCH64_EXTRA_TUNE_RECIP_SQRT.
18328 2016-02-16 James Greenhalgh <james.greenhalgh@arm.com>
18330 * config/aarch64/aarch64.c (use_rsqrt_p): Always use software
18331 reciprocal sqrt for -mlow-precision-recip-sqrt.
18333 2016-02-16 James Greenhalgh <james.greenhalgh@arm.com>
18334 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
18336 * config/aarch64/aarch64.c (aarch64_expand_vector_init): Refactor,
18337 always use lane loads to construct non-constant vectors.
18339 2016-02-16 James Greenhalgh <james.greenhalgh@arm.com>
18341 * config/aarch64/aarch64.md
18342 (arch64_sqrdml<SQRDMLH_AS:rdma_as>h_lane<mode>): Fix register
18343 constraints for operand 3.
18344 (aarch64_sqrdml<SQRDMLH_AS:rdma_as>h_laneq<mode>): Likewise.
18346 2016-02-16 Jakub Jelinek <jakub@redhat.com>
18347 Richard Biener <rguenther@suse.de>
18349 PR tree-optimization/69820
18350 * tree-vect-patterns.c (type_conversion_p): Return false if
18351 *orig_type is unsigned single precision or boolean.
18352 (vect_recog_dot_prod_pattern, vect_recog_widen_mult_pattern):
18355 2016-02-16 Jakub Jelinek <jakub@redhat.com>
18357 PR rtl-optimization/69764
18358 PR rtl-optimization/69771
18359 * optabs.c (expand_binop): Ensure for shift optabs invalid CONST_INT
18360 op1 is valid for GET_MODE_INNER (mode) and force it into a reg.
18362 2016-02-16 Richard Biener <rguenther@suse.de>
18364 PR tree-optimization/69776
18365 * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Get alias
18367 (indirect_refs_may_alias_p): Likewise.
18368 (refs_may_alias_p_1): Pass alias sets as from ao_ref.
18369 * tree-ssa-sccvn.c (vn_reference_lookup): Also adjust vr alias-set
18370 according to tbaa_p.
18371 * tree-ssa-dom.c (lookup_avail_expr): Add tbaa_p flag.
18372 (optimize_stmt): For redundant store discovery do not allow tbaa.
18374 2016-02-16 Bernd Schmidt <bschmidt@redhat.com>
18376 PR tree-optimization/69714
18377 * tree-ssa-math-opts.c (find_bswap_or_nop): Revert previous change.
18378 Return NULL if we have irrelevant high bytes on BIG_ENDIAN.
18380 2016-02-16 Claudiu Zissulescu <claziss@synopsys.com>
18382 * config/arc/arc-modes.def (CC_FPU, CC_FPU_UNEQ): New modes.
18383 * config/arc/arc-opts.h (FPU_SP, FPU_SF, FPU_SC, FPU_SD, FPU_DP)
18384 (FPU_DF, FPU_DC, FPU_DD, FXP_DP): Define.
18385 * config/arc/arc.c (arc_init): Check FPU options.
18386 (get_arc_condition_code): Handle new CC_FPU* modes.
18387 (arc_select_cc_mode): Likewise.
18388 (arc_conditional_register_usage): Allow 64 bit datum into even-odd
18389 register pair only. Allow access for ARCv2 accumulator.
18390 (gen_compare_reg): Whenever we have FPU support use FPU compare
18392 (arc_reorg): Don't generate brcc insns when FPU compare
18393 instructions are involved.
18394 * config/arc/arc.h (TARGET_DPFP): Add TARGET_FP_DPAX condition.
18395 (TARGET_OPTFPE): Add condition when ARC EM can use optimized
18396 floating point emulation.
18397 (ACC_REG_FIRST, ACC_REG_LAST, ACCL_REGNO, ACCH_REGNO): Define.
18398 (REVERSE_CONDITION): Add new CC_FPU* modes.
18399 (TARGET_FP_SP_BASE): Define.
18400 (TARGET_FP_DP_BASE): Likewise.
18401 (TARGET_FP_SP_FUSED): Likewise.
18402 (TARGET_FP_DP_FUSED): Likewise.
18403 (TARGET_FP_SP_CONV): Likewise.
18404 (TARGET_FP_DP_CONV): Likewise.
18405 (TARGET_FP_SP_SQRT): Likewise.
18406 (TARGET_FP_DP_SQRT): Likewise.
18407 (TARGET_FP_DP_AX): Likewise.
18408 * config/arc/arc.md (ARCV2_ACC): New constant.
18409 (type): New fpu type attribute.
18410 (SDF): Conditional iterator.
18411 (cstore<mode>, cbranch<mode>): Change expand condition.
18412 (addsf3, subsf3, mulsf3, adddf3, subdf3, muldf3): New expands,
18413 handles FPU/FPX cases as well.
18414 * config/arc/arc.opt (mfpu): New option.
18415 * config/arc/fpx.md (addsf3_fpx, subsf3_fpx, mulsf3_fpx):
18417 (adddf3, muldf3, subdf3): Removed.
18418 * config/arc/predicates.md (proper_comparison_operator): Recognize
18420 * config/arc/fpu.md: New file.
18421 * doc/invoke.texi (ARC Options): Document mfpu option.
18423 2016-02-16 Richard Biener <rguenther@suse.de>
18425 PR rtl-optimization/69291
18426 * ifcvt.c (noce_try_store_flag_constants): Re-instantiate
18427 noce_operand_ok check.
18429 2016-02-16 Tom de Vries <tom@codesourcery.com>
18432 * omp-low.c (simd_clone_create): Remove call to
18433 symtab->call_cgraph_insertion_hooks.
18435 2016-02-16 Jakub Jelinek <jakub@redhat.com>
18437 PR tree-optimization/69802
18438 * tree-ssa-reassoc.c (update_range_test): If op is
18439 SSA_NAME_IS_DEFAULT_DEF, give up unless tem is a positive
18440 op == 1 test of precision 1 integral op, otherwise handle
18441 that case as op itself. Fix up formatting.
18442 (optimize_range_tests_to_bit_test, optimize_range_tests): Fix
18445 2016-02-16 Richard Biener <rguenther@suse.de>
18447 PR tree-optimization/69586
18448 * tree-vrp.c (register_edge_assert_for_2): Handle all integral
18449 types for conversion sources.
18451 2016-02-16 Richard Biener <rguenther@suse.de>
18453 PR middle-end/69801
18454 * fold-const.c (operand_equal_p): For COND_EXPR zero operand
18455 mask OEP_ADDRESS_OF.
18457 2016-02-16 Alan Modra <amodra@gmail.com>
18460 * config/rs6000/rs6000.md (reload_vsx_from_gprsf): Rewrite splitter.
18461 (p8_mtvsrd_df, p8_mtvsrd_sf): New.
18462 (p8_mtvsrd_1, p8_mtvsrd_2): Delete.
18464 (p8_mtvsrwz_1, p8_mtvsrwz_2): Delete.
18465 (p8_xxpermdi_<mode>): Take two DF inputs rather than one TF.
18466 (p8_fmrgow_<mode>): Likewise.
18467 (reload_vsx_from_gpr<mode>): Make clobber IF. Adjust for above
18469 (reload_fpr_from_gpr<mode>): Similarly. Use "d" for op0 constraint.
18470 (reload_vsx_from_gprsf): Use p8_mtvsrd_sf rather than attempting
18471 to use movdi_internal64. Remove op0_di.
18472 * config/rs6000/vsx.md (vsx_xscvspdpn_directmove): Make op1 SFmode.
18474 2016-02-15 Evandro Menezes <e.menezes@samsung.com>
18476 Add support for the FCCMP insn types
18478 * config/aarch64/aarch64.md (fccmp): Change insn type.
18479 (fccmpe): Likewise.
18480 * config/aarch64/thunderx.md (thunderx_fcmp): Add "fccmp{s,d}" types.
18481 * config/arm/cortex-a53.md (cortex_a53_fpalu): Likewise.
18482 * config/arm/cortex-a57.md (cortex_a57_fp_cmp): Likewise.
18483 * config/arm/xgene1.md (xgene1_fcmp): Likewise.
18484 * config/arm/exynos-m1.md (exynos_m1_fp_ccmp): New insn reservation.
18485 * config/arm/types.md (fccmps): Add new insn type.
18486 (fccmpd): Likewise.
18488 2016-02-15 Bernd Edlinger <bernd.edlinger@hotmail.de>
18490 * alias.c (get_alias_set): Fix a typo in comment.
18492 2016-02-15 Richard Biener <rguenther@suse.de>
18494 PR tree-optimization/69595
18495 * match.pd: Complete range test simplification to true.
18497 2016-02-15 Bernd Schmidt <bschmidt@redhat.com>
18499 PR rtl-optimization/69648
18500 * lra-constraints.c (update_ebb_live_info): Don't remove sets of
18501 pic_offset_table_rtx.
18503 PR rtl-optimization/69752
18504 * ira.c (update_equiv_regs): When looking for more than a single SET,
18505 also take other side effects into account.
18507 2016-02-15 Marcin Kościelnicki <koriakin@0x04.net>
18509 * config/s390/s390.c (s390_function_profiler): Add a new sequence
18510 for z900+ CPUs in 31-bit mode.
18512 2016-02-15 Marcin Kościelnicki <koriakin@0x04.net>
18514 * common/config/s390/s390-common.c (s390_supports_split_stack):
18516 (TARGET_SUPPORTS_SPLIT_STACK): New macro.
18517 * config/s390/s390-protos.h: Add s390_expand_split_stack_prologue.
18518 * config/s390/s390.c (struct machine_function): New field
18519 split_stack_varargs_pointer.
18520 (s390_register_info): Mark r12 as clobbered if it'll be used as temp
18521 in s390_emit_prologue.
18522 (s390_emit_prologue): Use r12 as temp if r1 is taken by split-stack
18524 (morestack_ref): New global.
18525 (SPLIT_STACK_AVAILABLE): New macro.
18526 (s390_expand_split_stack_prologue): New function.
18527 (s390_live_on_entry): New function.
18528 (s390_va_start): Use split-stack vararg pointer if appropriate.
18529 (s390_asm_file_end): Emit the split-stack note sections.
18530 (TARGET_EXTRA_LIVE_ON_ENTRY): New macro.
18531 * config/s390/s390.md (UNSPEC_STACK_CHECK): New unspec.
18532 (UNSPECV_SPLIT_STACK_CALL): New unspec.
18533 (UNSPECV_SPLIT_STACK_DATA): New unspec.
18534 (split_stack_prologue): New expand.
18535 (split_stack_space_check): New expand.
18536 (split_stack_data): New insn.
18537 (split_stack_call): New expand.
18538 (split_stack_call_*): New insn.
18539 (split_stack_cond_call): New expand.
18540 (split_stack_cond_call_*): New insn.
18542 2016-02-15 Richard Biener <rguenther@suse.de>
18544 PR tree-optimization/69783
18545 * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
18546 Add trivially correct cases.
18548 2016-02-15 Tom de Vries <tom@codesourcery.com>
18551 * lto-cgraph.c (input_offload_tables): Add and handle bool parameter
18553 * lto-streamer.h (input_offload_tables): Add and handle bool parameter.
18555 2016-02-15 Richard Biener <rguenther@suse.de>
18557 PR tree-optimization/69776
18558 * tree-ssa-sccvn.h (vn_reference_lookup): Adjust prototype.
18559 * tree-ssa-sccvn.c (vn_reference_lookup): Add parameter to
18560 indicate whether we can use TBAA to disambiguate against stores.
18561 Use alias-set zero if not.
18562 (visit_reference_op_store): Do not use TBAA when looking up
18564 * tree-ssa-pre.c (compute_avail): Use TBAA here.
18565 (eliminate_dom_walker::before_dom_children): But not when looking
18566 up redundant stores.
18568 2016-02-14 John David Anglin <danglin@gcc.gnu.org>
18570 * config/pa/pa.md (absqi2, absghi2, bswaphi2, bswapsi2, bswapdi2): New.
18572 2016-02-14 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
18574 * config/i386/znver1.md
18575 (znver1_pop, znver1_pop_mem,
18576 znver1_load_imov_double_store,
18577 znver1_load_imov_direct_store,
18578 znver1_load_imov_direct_load,
18579 znver1_load_imov_double_load): Add new.
18580 (znver1_insn, znver1_insn_load): Add icmov type.
18581 (znver1_sseavx_fma,
18582 znver1_sseavx_fma_load,
18584 znver1_avx256_fma_load): Fix pipe usage.
18586 2016-02-14 Alan Modra <amodra@gmail.com>
18589 * reload.c (find_reloads_address_1): For pre/post-inc/dec
18590 with an invalid hard reg, reload just the reg not the entire
18591 pre/post-inc/dec address expression.
18593 2016-02-13 Oleg Endo <olegendo@gcc.gnu.org>
18596 * config/sh/sh.md (sibcall_value_pcrel): Replace =&k scratch reg with
18597 fixed R1_REG scratch reg.
18598 (sibcall_value_pcrel_fdpic): Likewise.
18600 2016-02-13 Oleg Endo <olegendo@gcc.gnu.org>
18604 * config/sh/sh.md (*zero_extract_3): New insn_and_split pattern.
18606 2016-02-12 Walter Lee <walt@tilera.com>
18608 * config/tilepro/t-tilepro: Replace CC_FOR_BUILD with CXX_FOR_BUILD.
18609 * config/tilegx/t-tilegx: Likewise.
18611 2016-02-12 David Malcolm <dmalcolm@redhat.com>
18614 * diagnostic-show-locus.c (struct line_span): New struct.
18615 (layout::get_first_line): Delete.
18616 (layout::get_last_line): Delete.
18617 (layout::get_num_line_spans): New member function.
18618 (layout::get_line_span): Likewise.
18619 (layout::print_heading_for_line_span_index_p): Likewise.
18620 (layout::get_expanded_location): Likewise.
18621 (layout::calculate_line_spans): Likewise.
18622 (layout::m_first_line): Delete.
18623 (layout::m_last_line): Delete.
18624 (layout::m_line_spans): New field.
18625 (layout::layout): Update comment. Replace m_first_line and
18626 m_last_line with m_line_spans, replacing their initialization
18627 with a call to calculate_line_spans.
18628 (diagnostic_show_locus): When printing source lines and
18629 annotations, rather than looping over a single span
18630 of lines, instead loop over each line_span within
18631 the layout, with an inner loop over the lines within them.
18632 Call the context's start_span callback when changing line spans.
18633 * diagnostic.c (diagnostic_initialize): Initialize start_span.
18634 (diagnostic_build_prefix): Break out the building of the location
18635 part of the string into...
18636 (diagnostic_get_location_text): ...this new function, rewriting
18637 it from nested ternary expressions to a sequence of "if"
18639 (default_diagnostic_start_span_fn): New function.
18640 * diagnostic.h (diagnostic_start_span_fn): New typedef.
18641 (diagnostic_context::start_span): New field.
18642 (default_diagnostic_start_span_fn): New prototype.
18644 2016-02-12 David Malcolm <dmalcolm@redhat.com>
18647 * gcc.c (driver::finalize): Fix cleanup of "specs".
18649 2016-02-12 David Malcolm <dmalcolm@redhat.com>
18653 * gcc.c (driver::driver): Initialize m_option_suggestions.
18654 (driver::~driver): Clean up m_option_suggestions.
18655 (suggest_option): Convert to...
18656 (driver::suggest_option): ...this, and split out into
18657 driver::build_option_suggestions and find_closest_string.
18658 (driver::build_option_suggestions): New function, from
18659 first half of suggest_option. Special-case
18660 OPT_fsanitize_ and OPT_fsanitize_recover_, making use of
18661 the sanitizer_opts array. For options of enum types, add the
18662 various enum values to the candidate strings.
18663 (driver::handle_unrecognized_options): Remove "const".
18664 * gcc.h (driver::handle_unrecognized_options): Likewise.
18665 (driver::build_option_suggestions): New decl.
18666 (driver::suggest_option): New decl.
18667 (driver::m_option_suggestions): New field.
18668 * opts-common.c (add_misspelling_candidates): New function.
18669 * opts.c (sanitizer_opts): Remove decl of struct sanitizer_opts_s
18670 and make non-static.
18671 * opts.h (sanitizer_opts): New array decl.
18672 (add_misspelling_candidates): New function decl.
18673 * spellcheck.c (find_closest_string): New function.
18674 * spellcheck.h (find_closest_string): New function decl.
18676 2016-02-12 Jakub Jelinek <jakub@redhat.com>
18678 PR rtl-optimization/69764
18679 PR rtl-optimization/69771
18680 * optabs.c (expand_binop_directly): For shift_optab_p, force
18681 convert_modes with VOIDmode if xop1 has VOIDmode.
18683 2016-02-12 Ilya Enkovich <enkovich.gnu@gmail.com>
18686 * lto-streamer-out.c (lto_output): Use thunk.add_pointer_bounds_args
18687 to correctly determine instrumentation thunks.
18689 2016-02-12 Jakub Jelinek <jakub@redhat.com>
18692 * ipa-split.c (split_function): If split part returns TREE_ADDRESSABLE
18693 type by reference, force lhs on the call.
18696 * ipa-split.c (split_function): Don't compute/use main_part_return_p.
18697 Compute retval and retbnd early in all cases if split_part_return_p
18698 and return_bb is not EXIT. Remove all clobber stmts and reset
18699 all debug stmts that refer to SSA_NAMEs defined in split part,
18700 except if it is retval, in that case replace the old retval with the
18701 lhs of the call to the split part.
18703 2016-02-12 Kugan Vivekanandarajah <kuganv@linaro.org>
18706 2016-02-12 Kugan Vivekanandarajah <kuganv@linaro.org>
18708 PR middle-end/66726
18709 * tree-ssa-reassoc.c (optimize_range_tests): Handle tcc_compare stmt
18710 whose result is used in PHI.
18711 (maybe_optimize_range_tests): Likewise.
18712 (final_range_test_p): Likweise.
18714 2016-02-12 Kugan Vivekanandarajah <kuganv@linaro.org>
18716 PR middle-end/66726
18717 * tree-ssa-reassoc.c (optimize_range_tests): Handle tcc_compare stmt
18718 whose result is used in PHI.
18719 (maybe_optimize_range_tests): Likewise.
18720 (final_range_test_p): Likweise.
18722 2016-02-12 Jakub Jelinek <jakub@redhat.com>
18724 * cgraph.c: Spelling fixes - behaviour -> behavior and
18725 neighbour -> neighbor.
18726 * target.def: Likewise.
18727 * sel-sched.c: Likewise.
18728 * config/mips/mips.c: Likewise.
18729 * config/arc/arc.md: Likewise.
18730 * config/arm/cortex-a57.md: Likewise.
18731 * config/arm/arm.c: Likewise.
18732 * config/arm/neon.md: Likewise.
18733 * config/arm/arm-c.c: Likewise.
18734 * config/vms/vms-c.c: Likewise.
18735 * config/s390/s390.c: Likewise.
18736 * config/i386/znver1.md: Likewise.
18737 * config/i386/i386.c: Likewise.
18738 * config/ia64/hpux-unix2003.h: Likewise.
18739 * config/msp430/msp430.md: Likewise.
18740 * config/rx/rx.c: Likewise.
18741 * config/rx/rx.md: Likewise.
18742 * config/aarch64/aarch64-simd.md: Likewise.
18743 * config/aarch64/aarch64.c: Likewise.
18744 * config/nvptx/nvptx.c: Likewise.
18745 * config/bfin/bfin.c: Likewise.
18746 * config/cris/cris.opt: Likewise.
18747 * config/rs6000/rs6000.c: Likewise.
18748 * target.h: Likewise.
18749 * spellcheck.c: Likewise.
18750 * ira-build.c: Likewise.
18751 * tree-inline.c: Likewise.
18752 * builtins.c: Likewise.
18753 * lra-constraints.c: Likewise.
18754 * explow.c: Likewise.
18755 * hwint.h: Likewise.
18756 * targhooks.c: Likewise.
18757 * tree-vect-data-refs.c: Likewise.
18758 * expr.c: Likewise.
18759 * doc/tm.texi: Likewise.
18760 * doc/extend.texi: Likewise.
18761 * doc/install.texi: Likewise.
18762 * doc/md.texi: Likewise.
18763 * tree-ssa-tail-merge.c: Likewise.
18764 * sched-int.h: Likewise.
18765 * match.pd: Likewise.
18766 * sched-ebb.c: Likewise.
18767 * target.def (omit_struct_return_reg): Likewise.
18768 * gimple-ssa-isolate-paths.c: Likewise.
18769 (find_implicit_erroneous_behaviour): Renamed to...
18770 (find_implicit_erroneous_behavior): ... this.
18771 (find_explicit_erroneous_behaviour): Renamed to...
18772 (find_explicit_erroneous_behavior): ... this.
18773 (gimple_ssa_isolate_erroneous_paths): Adjust caller.
18775 2016-02-11 Segher Boessenkool <segher@kernel.crashing.org>
18777 PR rtl-optimization/64682
18778 PR rtl-optimization/69567
18779 PR rtl-optimization/69737
18780 * combine.c (distribute_notes) <REG_DEAD>: If the register is set
18781 in I2 as well, just lose it.
18783 2016-02-11 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
18785 * config/aarch64/aarch64.c (aarch64_last_printed_arch_string):
18787 (aarch64_last_printed_tune_string): Likewise.
18788 (aarch64_declare_function_name): Only output .arch assembler
18789 directive if it will be different from the previously output
18790 directive. Same for .tune comment but only if -dA is set.
18791 (aarch64_start_file): New function.
18792 (TARGET_ASM_FILE_START): Define.
18794 2016-02-11 David Malcolm <dmalcolm@redhat.com>
18797 * Makefile.in (PLUGIN_HEADERS): Add params.list.
18799 2016-02-11 Jakub Jelinek <jakub@redhat.com>
18802 * tree-vect-slp.c (vect_schedule_slp_instance): Avoid
18803 -Wmaybe-uninitialized warning.
18805 2016-02-11 Oleg Endo <olegendo@gcc.gnu.org>
18808 * config/sh/sh.md (casesi_worker_0): Add T_REG use.
18810 2016-02-11 Richard Biener <rguenther@suse.de>
18812 PR rtl-optimization/69291
18813 * ifcvt.c (noce_try_store_flag_constants): Do not allow
18814 subexpressions affected by changing the result.
18816 2016-02-10 Vladimir Makarov <vmakarov@redhat.com>
18819 * lra-constraints.c (curr_insn_transform): Find in/out operands
18820 for secondary memory moves. Update dups.
18822 2016-02-10 Yuri Rumyantsev <ysrumyan@gmail.com>
18824 PR tree-optimization/69652
18825 * tree-vect-loop.c (optimize_mask_stores): Move declaration of STMT1
18826 to nested loop, did source re-formatting, skip debug statements,
18827 add check on statement with volatile operand, remove dead scalar
18830 2016-02-10 Jakub Jelinek <jakub@redhat.com>
18831 Patrick Palka <ppalka@gcc.gnu.org>
18835 * gimplify.c (gimplify_modify_expr): Set lhs even for noreturn
18836 calls if the return type is TREE_ADDRESSABLE.
18837 * cgraphunit.c (cgraph_node::expand_thunk): Likewise.
18838 * ipa-split.c (split_function): Fix doubled "we" in comment.
18839 Use void return type for the split part even if
18840 !split_point->split_part_set_retval.
18842 2016-02-10 Bin Cheng <bin.cheng@arm.com>
18844 PR tree-optimization/68021
18845 * tree-ssa-loop-ivopts.c (get_computation_aff): Set ratio to 1 if
18846 when computing the value of biv cand by itself.
18848 2016-02-10 Wilco Dijkstra <wdijkstr@arm.com>
18850 * config/aarch64/aarch64.c (cortexa53_tunings): Enable AES fusion.
18851 (cortexa57_tunings): Likewise.
18852 (cortexa72_tunings): Likewise.
18853 (arch_macro_fusion_pair_p): Add support for AES fusion.
18854 * config/aarch64/aarch64-fusion-pairs.def: Add AES_AESMC entry.
18855 * config/arm/aarch-common.c (aarch_crypto_can_dual_issue):
18856 Allow virtual registers before reload so early scheduling works.
18857 * config/arm/cortex-a57.md (cortex_a57_crypto_simple): Use
18858 correct latency and pipeline.
18859 (cortex_a57_crypto_complex): Likewise.
18860 (cortex_a57_crypto_xor): Likewise.
18861 (define_bypass): Add AES bypass.
18863 2016-02-10 Richard Biener <rguenther@suse.de>
18865 PR tree-optimization/69726
18866 * passes.def: Add DCE pass before late uninit.
18867 * match.pd: Add A ? B : (!A ? C : X) -> A ? B : C patterns to
18868 really fixup if-conversions job.
18870 2016-02-10 Wilco Dijkstra <wdijkstr@arm.com>
18872 * config/arm/arm.c (arm_cortex_a53_tune): Enable AES fusion.
18873 (arm_cortex_a57_tune): Likewise.
18874 (aarch_macro_fusion_pair_p): Add support for AES fusion.
18875 * config/arm/arm-protos.h (fuse_ops): Add FUSE_AES_AESMC.
18877 2016-02-10 Eric Botcazou <ebotcazou@adacore.com>
18879 * timevar.def (TV_PHASE_DBGINFO): Delete.
18880 (TV_PHASE_CHECK_DBGINFO): Likewise.
18881 * varpool.c (varpool_node::assemble_decl): Do not change timevar.
18883 2016-02-10 Richard Biener <rguenther@suse.de>
18885 PR tree-optimization/69719
18886 * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
18887 Adjust previous fix by ensuring that dr_a1 is left of dr_a2.
18889 2016-02-09 Andrew Pinski <apinski@cavium.com>
18892 * optabs-tree.c (expand_vec_cond_expr_p): Don't early return if
18893 get_vcond_mask_icode returns false.
18895 2016-02-09 Michael Meissner <meissner@linux.vnet.ibm.com>
18898 * config/rs6000/predicates.md (fusion_gpr_addis): Prevent fusing
18899 an ADDIS that adds a pointer to a large constant that sets the
18900 upper16 bits with a load operation.
18902 2016-02-09 Charles Baylis <charles.baylis@linaro.org>
18905 * config/arm/arm.c (arm_evpc_neon_vzip): Allow for big endian lane
18907 * config/arm/arm_neon.h (vzipq_s8): Adjust shuffle patterns for big
18909 (vzipq_s16): Likewise.
18910 (vzipq_s32): Likewise.
18911 (vzipq_f32): Likewise.
18912 (vzipq_u8): Likewise.
18913 (vzipq_u16): Likewise.
18914 (vzipq_u32): Likewise.
18915 (vzipq_p8): Likewise.
18916 (vzipq_p16): Likewise.
18918 2016-02-09 Charles Baylis <charles.baylis@linaro.org>
18921 * config/arm/arm.c (neon_endian_lane_map): New function.
18922 (neon_vector_pair_endian_lane_map): New function.
18923 (arm_evpc_neon_vuzp): Allow for big endian lane order.
18924 * config/arm/arm_neon.h (vuzpq_s8): Adjust shuffle patterns for big
18926 (vuzpq_s16): Likewise.
18927 (vuzpq_s32): Likewise.
18928 (vuzpq_f32): Likewise.
18929 (vuzpq_u8): Likewise.
18930 (vuzpq_u16): Likewise.
18931 (vuzpq_u32): Likewise.
18932 (vuzpq_p8): Likewise.
18933 (vuzpq_p16): Likewise.
18935 2016-02-11 Alexandre Oliva <aoliva@redhat.com>
18938 * regstat.c (regstat_bb_compute_calls_crossed): Disregard
18941 2016-02-09 Uros Bizjak <ubizjak@gmail.com>
18943 * config/i386/i386.md (insv<mode>_1): Use gen_int_mode to
18944 truncate const_int operand 1 to QImode.
18946 2016-02-09 Eric Botcazou <ebotcazou@adacore.com>
18948 * gimple-ssa-backprop.c (optimize_phi): Do not replace an argument
18949 corresponding to an abnormal edge.
18951 2016-02-09 Tom de Vries <tom@codesourcery.com>
18953 PR tree-optimization/69599
18954 * tree-ssa-structalias.c (fndecl_maybe_in_other_partition): New
18956 (find_func_aliases_for_builtin_call, find_func_clobbers)
18957 (ipa_pta_execute): Handle case that foo and foo._0 are not in same lto
18960 2016-02-09 Richard Biener <rguenther@suse.de>
18962 PR tree-optimization/69715
18963 * tree-ssa.c (execute_update_addresses_taken): Mark non-decl
18964 LHS on calls as non-rewritable.
18966 2016-02-09 Tom de Vries <tom@codesourcery.com>
18969 * lto-wrapper.c (append_diag_options): New function.
18970 (compile_offload_image): Call append_diag_options.
18972 2016-02-08 Sandra Loosemore <sandra@codesourcery.com>
18975 * doc/extend.texi (Flag Output Operands): Correct sectioning.
18976 Minor copy-edit to fix verb tenses.
18978 2016-02-08 Jakub Jelinek <jakub@redhat.com>
18980 PR tree-optimization/69209
18981 * ipa-split.c (split_function): If split part is not
18982 returning retval, retval has gimple type but is not
18983 gimple value, force it into a SSA_NAME first.
18985 2016-02-08 Nicklas Bo Jensen <nbjensen@gmail.com>
18987 * doc/tree-ssa.texi (Preserving the virtual SSA form): Remove
18990 2016-02-08 Jason Merrill <jason@redhat.com>
18993 * convert.c (convert_to_integer_1): Check dofold on truncation
18995 (convert_to_pointer_maybe_fold, convert_to_real_maybe_fold)
18996 (convert_to_integer_maybe_fold, convert_to_complex_maybe_fold):
18997 Rename from *_nofold.
18998 * convert.h (convert_to_pointer_nofold, convert_to_integer_nofold)
18999 (convert_to_real_nofold, convert_to_complex_nofold): New inlines.
19001 2016-02-08 Bernd Schmidt <bschmidt@redhat.com>
19004 * tree.c (build_common_tree_nodes): Remove short_double argument.
19005 All callers changed.
19006 * tree.h (build_common_tree_nodes): Adjust declaration.
19007 * doc/invoke.texi (-fshort-double): Remove documentation.
19008 * config/mips/t-img-elf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
19009 MULTILIB_EXCEPTIONS): Remove -fshort-double variant.
19010 * lto-wrapper.c (merge_and_complain, append_compiler_options)
19011 (append_linker_options): Don't handle OPT_fshort_double.
19013 PR rtl-optimization/68730
19014 * lra-remat.c (insn_to_cand_activation): New static variable.
19015 (lra_remat): Allocate and free it.
19016 (create_cand): New arg activation. Initialize a field in
19017 insn_to_cand_activation if it is nonnull.
19018 (create_cands): Pass the activation insn to create_cand when making
19019 a candidate involving an output reload. Reorganize code a little.
19020 (do_remat): Keep track of active status of candidates in a separate
19023 2016-02-08 Richard Biener <rguenther@suse.de>
19025 PR tree-optimization/69719
19026 * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
19027 Properly use absolute of the difference of the two offsets to
19028 compare or adjust the segment length.
19030 2016-02-08 Richard Biener <rguenther@suse.de>
19031 Jeff Law <law@redhat.com>
19034 * tree-ssanames.c (make_ssa_name_fn): Always use unqualified
19035 types for anonymous SSA names.
19037 2016-02-08 Richard Biener <rguenther@suse.de>
19039 PR rtl-optimization/69274
19040 * ira.c (ira_setup_alts): Do not change recog_data.operand order.
19042 2016-02-08 Jeff Law <law@redhat.com>
19044 PR tree-optimization/65917
19045 * tree-ssa-dom.c (record_temporary_equivalences): Record both
19046 equivalences from if (x == y) style conditionals.
19047 (loop_depth_of_name): Remove.
19048 (record_equality): Remove loop depth check.
19049 * tree-ssa-scopedtables.h (const_and_copies): Refine comments.
19050 (const_and_copies::record_const_or_copy_raw): New member function.
19051 * tree-ssa-scopedtables.c
19052 (const_and_copies::record_const_or_copy_raw): New, factored out of
19053 (const_and_copies::record_const_or_copy): Call new member function.
19055 2016-02-05 Jeff Law <law@redhat.com>
19057 PR tree-optimization/68541
19058 * gimple-ssa-split-paths.c: Include tree-cfg.h and params.h.
19059 (count_stmts_in_block): New function.
19060 (poor_ifcvt_candidate_code): Likewise.
19061 (is_feasible_trace): Add some heuristics to determine when path
19062 splitting is profitable.
19063 (find_block_to_duplicate_for_splitting_paths): Make sure the graph
19064 is a diamond with a single exit.
19066 2016-02-05 Martin Sebor <msebor@redhat.com>
19069 * doc/invoke.texi: Update -Wplacement-new to take an optional
19072 2016-02-06 Richard Henderson <rth@redhat.com>
19075 * tree.c (tree_nop_conversion_p): Do not strip casts into or
19076 out of non-standard address spaces.
19078 2016-02-05 Jakub Jelinek <jakub@redhat.com>
19080 PR rtl-optimization/69691
19081 * lra-eliminations.c (move_plus_up): Don't add the addend twice.
19083 2016-02-05 Pat Haugen <pthaugen@us.ibm.com>
19085 * config/rs6000/crypto.md (crypto_vpermxor_<mode>): Correct insn type.
19086 * config/rs6000/rs6000.md (mov<mode>_hardfloat): Likewise.
19087 (*ieee128_mfvsrd_64bit): Likewise.
19088 (*ieee128_mfvsrd_32bit): Likewise.
19090 2016-02-05 Ilya Enkovich <enkovich.gnu@gmail.com>
19094 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
19096 * cgraphunit.c (cgraph_node::reset): Clear thunk info and
19097 instrumented_version.
19099 2016-01-05 Jeremy Bennett <jeremy.bennett@embecosm.com>
19101 * doc/invoke.texi (Optimize Options): In table of --param options
19102 rename second occurrence of tracer-min-branch-ratio to
19103 tracer-min-branch-probability, rename
19104 tracer-min-branch-ratio-feedback to
19105 tracer-min-branch-probability-feedback and clarify description,
19106 rename sched-spec-state-edge-prob-cutoff to
19107 sched-state-edge-prob-cutoff, rename selsched-max-insns-to-rename
19108 to selsched-insns-to-rename, rename lto-minpartition to
19109 lto-min-partition, delete reorder-blocks-duplicate and
19110 reorder-blocks-duplicate-feedback.
19112 2016-02-05 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
19114 * config/s390/s390.c (s390_register_info_set_ranges): Remove
19117 2016-02-05 Dominik Vogt <vogt@linux.vnet.ibm.com>
19119 * doc/extend.texi: S/390: Correct some typos.
19121 2016-02-05 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
19123 * config/s390/s390.c (s390_emit_call): Add missing 64 bit check.
19125 2016-02-05 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
19128 * config/s390/s390.c (SAVE_SLOT_NONE, SAVE_SLOT_STACK): New defines.
19129 (s390_register_info_gprtofpr): Use new macros above.
19130 (s390_register_info_stdarg_fpr): Adjust max_fpr to better match
19132 (s390_register_info_stdarg_gpr): Adjust max_gpr to better match
19133 its name. Adjust restore and save gpr ranges.
19134 (s390_register_info_set_ranges): New function.
19135 (s390_register_info): Use new macros above. Call
19136 s390_register_info_set_ranges.
19137 (s390_optimize_register_info): Likewise.
19138 (s390_hard_regno_rename_ok): Use new macros.
19139 (s390_hard_regno_scratch_ok): Likewise.
19140 (s390_emit_epilogue): Likewise.
19141 (s390_can_use_return_insn): Likewise.
19142 (s390_optimize_prologue): Likewise.
19143 * config/s390/s390.md (GPR2_REGNUM, GPR6_REGNUM): New constants.
19145 2016-02-05 Jakub Jelinek <jakub@redhat.com>
19148 * config/i386/i386.c (convert_scalars_to_vector): Readd stack
19150 (ix86_option_override_internal): Disable TARGET_STV even for
19151 -m{incoming,preferred}-stack-boundary=3.
19153 2016-02-03 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
19155 * config.gcc: Mark deprecated rtems targets as obsolete.
19157 2016-02-04 Segher Boessenkool <segher@kernel.crashing.org>
19159 PR rtl-optimization/64682
19160 PR rtl-optimization/69567
19161 * combine.c (distribute_notes) <REG_DEAD>: Place the death note
19162 before I2 only if the register is both used and set in I2.
19164 2016-02-04 DJ Delorie <dj@redhat.com>
19166 * config/msp430/msp430.c (msp430_start_function): Add function type.
19168 2016-02-04 Jakub Jelinek <jakub@redhat.com>
19171 * tree-dfa.c (get_ref_base_and_extent): Remove unreachable code.
19173 2016-02-04 Uros Bizjak <ubizjak@gmail.com>
19175 PR rtl-optimization/69577
19177 2015-10-29 Richard Henderson <rth@redhat.com>
19181 * config/i386/i386.c (ix86_cannot_change_mode_class): Tighten
19182 sse check to the exact conditions of PR 67609.
19184 2016-02-04 Michael Meissner <meissner@linux.vnet.ibm.com>
19187 * config/rs6000/rs6000.md (mov<mode>_64bit_dm): Use 'd' constraint
19188 instead of 'ws', and 'wh' instead of 'wm' since TFmode/IFmode are
19189 not allowed into the traditional Altivec registers.
19190 (movtd_64bit_nodm): Likewise.
19191 (mov<mode>_32bit, FMOVE128_FPR iterator): Likewise.
19193 2016-02-04 David Malcolm <dmalcolm@redhat.com>
19195 * config/aarch64/cortex-a57-fma-steering.c
19196 (aarch64_register_fma_steering): Remove "static" from arguments
19199 2016-02-04 Wilco Dijkstra <wdijkstr@arm.com>
19202 * ccmp.c (expand_ccmp_expr_1): Avoid evaluating gs0/gs1
19203 twice when complex.
19205 2016-02-04 Mike Frysinger <vapier@gentoo.org>
19207 * doc/invoke.texi: Delete -mno-fma4.
19209 2016-02-04 Richard Sandiford <richard.sandiford@arm.com>
19211 PR rtl-optimization/69577
19212 * reginfo.c (record_subregs_of_mode): Add a partial_def parameter.
19213 (find_subregs_of_mode): Update accordingly. Iterate over partial
19216 2016-02-04 Alan Lawrence <alan.lawrence@arm.com>
19218 * config/arm/arm-protos.h (neon_reinterpret): Remove.
19219 * config/arm/arm.c (neon_reinterpret): Remove.
19220 * config/arm/arm_neon_builtins.def (vreinterpretv8qi, vreinterpretv4hi,
19221 vreinterpretv2si, vreinterpretv2sf, vreinterpretdi, vreinterpretv16qi,
19222 vreinterpretv8hi, vreinterpretv4si, vreinterpretv4sf, vreinterpretv2di,
19223 vreinterpretti): Remove.
19224 * config/arm/neon.md (neon_vreinterpretv8qi<mode>,
19225 neon_vreinterpretv4hi<mode>, neon_vreinterpretv2si<mode>,
19226 neon_vreinterpretv2sf<mode>, neon_vreinterpretdi<mode>,
19227 neon_vreinterpretti<mode>, neon_vreinterpretv16qi<mode>,
19228 neon_vreinterpretv8hi<mode>, neon_vreinterpretv4si<mode>,
19229 neon_vreinterpretv4sf<mode>, neon_vreinterpretv2di<mode>): Remove.
19230 * config/arm/arm_neon.h (vreinterpret_p8_p16, vreinterpret_p8_f32,
19231 vreinterpret_p8_p64, vreinterpret_p8_s64, vreinterpret_p8_u64,
19232 vreinterpret_p8_s8, vreinterpret_p8_s16, vreinterpret_p8_s32,
19233 vreinterpret_p8_u8, vreinterpret_p8_u16, vreinterpret_p8_u32,
19234 vreinterpret_p16_p8, vreinterpret_p16_f32, vreinterpret_p16_p64,
19235 vreinterpret_p16_s64, vreinterpret_p16_u64, vreinterpret_p16_s8,
19236 vreinterpret_p16_s16, vreinterpret_p16_s32, vreinterpret_p16_u8,
19237 vreinterpret_p16_u16, vreinterpret_p16_u32, vreinterpret_f32_p8,
19238 vreinterpret_f32_p16, vreinterpret_f32_p64, vreinterpret_f32_s64,
19239 vreinterpret_f32_u64, vreinterpret_f32_s8, vreinterpret_f32_s16,
19240 vreinterpret_f32_s32, vreinterpret_f32_u8, vreinterpret_f32_u16,
19241 vreinterpret_f32_u32, vreinterpret_p64_p8, vreinterpret_p64_p16,
19242 vreinterpret_p64_f32, vreinterpret_p64_s64, vreinterpret_p64_u64,
19243 vreinterpret_p64_s8, vreinterpret_p64_s16, vreinterpret_p64_s32,
19244 vreinterpret_p64_u8, vreinterpret_p64_u16, vreinterpret_p64_u32,
19245 vreinterpret_s64_p8, vreinterpret_s64_p16, vreinterpret_s64_f32,
19246 vreinterpret_s64_p64, vreinterpret_s64_u64, vreinterpret_s64_s8,
19247 vreinterpret_s64_s16, vreinterpret_s64_s32, vreinterpret_s64_u8,
19248 vreinterpret_s64_u16, vreinterpret_s64_u32, vreinterpret_u64_p8,
19249 vreinterpret_u64_p16, vreinterpret_u64_f32, vreinterpret_u64_p64,
19250 vreinterpret_u64_s64, vreinterpret_u64_s8, vreinterpret_u64_s16,
19251 vreinterpret_u64_s32, vreinterpret_u64_u8, vreinterpret_u64_u16,
19252 vreinterpret_u64_u32, vreinterpret_s8_p8, vreinterpret_s8_p16,
19253 vreinterpret_s8_f32, vreinterpret_s8_p64, vreinterpret_s8_s64,
19254 vreinterpret_s8_u64, vreinterpret_s8_s16, vreinterpret_s8_s32,
19255 vreinterpret_s8_u8, vreinterpret_s8_u16, vreinterpret_s8_u32,
19256 vreinterpret_s16_p8, vreinterpret_s16_p16, vreinterpret_s16_f32,
19257 vreinterpret_s16_p64, vreinterpret_s16_s64, vreinterpret_s16_u64,
19258 vreinterpret_s16_s8, vreinterpret_s16_s32, vreinterpret_s16_u8,
19259 vreinterpret_s16_u16, vreinterpret_s16_u32, vreinterpret_s32_p8,
19260 vreinterpret_s32_p16, vreinterpret_s32_f32, vreinterpret_s32_p64,
19261 vreinterpret_s32_s64, vreinterpret_s32_u64, vreinterpret_s32_s8,
19262 vreinterpret_s32_s16, vreinterpret_s32_u8, vreinterpret_s32_u16,
19263 vreinterpret_s32_u32, vreinterpret_u8_p8, vreinterpret_u8_p16,
19264 vreinterpret_u8_f32, vreinterpret_u8_p64, vreinterpret_u8_s64,
19265 vreinterpret_u8_u64, vreinterpret_u8_s8, vreinterpret_u8_s16,
19266 vreinterpret_u8_s32, vreinterpret_u8_u16, vreinterpret_u8_u32,
19267 vreinterpret_u16_p8, vreinterpret_u16_p16, vreinterpret_u16_f32,
19268 vreinterpret_u16_p64, vreinterpret_u16_s64, vreinterpret_u16_u64,
19269 vreinterpret_u16_s8, vreinterpret_u16_s16, vreinterpret_u16_s32,
19270 vreinterpret_u16_u8, vreinterpret_u16_u32, vreinterpret_u32_p8,
19271 vreinterpret_u32_p16, vreinterpret_u32_f32, vreinterpret_u32_p64,
19272 vreinterpret_u32_s64, vreinterpret_u32_u64, vreinterpret_u32_s8,
19273 vreinterpret_u32_s16, vreinterpret_u32_s32, vreinterpret_u32_u8,
19274 vreinterpret_u32_u16, vreinterpretq_p8_p16, vreinterpretq_p8_f32,
19275 vreinterpretq_p8_p64, vreinterpretq_p8_p128, vreinterpretq_p8_s64,
19276 vreinterpretq_p8_u64, vreinterpretq_p8_s8, vreinterpretq_p8_s16,
19277 vreinterpretq_p8_s32, vreinterpretq_p8_u8, vreinterpretq_p8_u16,
19278 vreinterpretq_p8_u32, vreinterpretq_p16_p8, vreinterpretq_p16_f32,
19279 vreinterpretq_p16_p64, vreinterpretq_p16_p128, vreinterpretq_p16_s64,
19280 vreinterpretq_p16_u64, vreinterpretq_p16_s8, vreinterpretq_p16_s16,
19281 vreinterpretq_p16_s32, vreinterpretq_p16_u8, vreinterpretq_p16_u16,
19282 vreinterpretq_p16_u32, vreinterpretq_f32_p8, vreinterpretq_f32_p16,
19283 vreinterpretq_f32_p64, vreinterpretq_f32_p128, vreinterpretq_f32_s64,
19284 vreinterpretq_f32_u64, vreinterpretq_f32_s8, vreinterpretq_f32_s16,
19285 vreinterpretq_f32_s32, vreinterpretq_f32_u8, vreinterpretq_f32_u16,
19286 vreinterpretq_f32_u32, vreinterpretq_p64_p8, vreinterpretq_p64_p16,
19287 vreinterpretq_p64_f32, vreinterpretq_p64_p128, vreinterpretq_p64_s64,
19288 vreinterpretq_p64_u64, vreinterpretq_p64_s8, vreinterpretq_p64_s16,
19289 vreinterpretq_p64_s32, vreinterpretq_p64_u8, vreinterpretq_p64_u16,
19290 vreinterpretq_p64_u32, vreinterpretq_p128_p8, vreinterpretq_p128_p16,
19291 vreinterpretq_p128_f32, vreinterpretq_p128_p64, vreinterpretq_p128_s64,
19292 vreinterpretq_p128_u64, vreinterpretq_p128_s8, vreinterpretq_p128_s16,
19293 vreinterpretq_p128_s32, vreinterpretq_p128_u8, vreinterpretq_p128_u16,
19294 vreinterpretq_p128_u32, vreinterpretq_s64_p8, vreinterpretq_s64_p16,
19295 vreinterpretq_s64_f32, vreinterpretq_s64_p64, vreinterpretq_s64_p128,
19296 vreinterpretq_s64_u64, vreinterpretq_s64_s8, vreinterpretq_s64_s16,
19297 vreinterpretq_s64_s32, vreinterpretq_s64_u8, vreinterpretq_s64_u16,
19298 vreinterpretq_s64_u32, vreinterpretq_u64_p8, vreinterpretq_u64_p16,
19299 vreinterpretq_u64_f32, vreinterpretq_u64_p64, vreinterpretq_u64_p128,
19300 vreinterpretq_u64_s64, vreinterpretq_u64_s8, vreinterpretq_u64_s16,
19301 vreinterpretq_u64_s32, vreinterpretq_u64_u8, vreinterpretq_u64_u16,
19302 vreinterpretq_u64_u32, vreinterpretq_s8_p8, vreinterpretq_s8_p16,
19303 vreinterpretq_s8_f32, vreinterpretq_s8_p64, vreinterpretq_s8_p128,
19304 vreinterpretq_s8_s64, vreinterpretq_s8_u64, vreinterpretq_s8_s16,
19305 vreinterpretq_s8_s32, vreinterpretq_s8_u8, vreinterpretq_s8_u16,
19306 vreinterpretq_s8_u32, vreinterpretq_s16_p8, vreinterpretq_s16_p16,
19307 vreinterpretq_s16_f32, vreinterpretq_s16_p64, vreinterpretq_s16_p128,
19308 vreinterpretq_s16_s64, vreinterpretq_s16_u64, vreinterpretq_s16_s8,
19309 vreinterpretq_s16_s32, vreinterpretq_s16_u8, vreinterpretq_s16_u16,
19310 vreinterpretq_s16_u32, vreinterpretq_s32_p8, vreinterpretq_s32_p16,
19311 vreinterpretq_s32_f16, vreinterpretq_s32_f32, vreinterpretq_s32_p64,
19312 vreinterpretq_s32_p128, vreinterpretq_s32_s64, vreinterpretq_s32_u64,
19313 vreinterpretq_s32_s8, vreinterpretq_s32_s16, vreinterpretq_s32_u8,
19314 vreinterpretq_s32_u16, vreinterpretq_s32_u32, vreinterpretq_u8_p8,
19315 vreinterpretq_u8_p16, vreinterpretq_u8_f32, vreinterpretq_u8_p64,
19316 vreinterpretq_u8_p128, vreinterpretq_u8_s64, vreinterpretq_u8_u64,
19317 vreinterpretq_u8_s8, vreinterpretq_u8_s16, vreinterpretq_u8_s32,
19318 vreinterpretq_u8_u16, vreinterpretq_u8_u32, vreinterpretq_u16_p8,
19319 vreinterpretq_u16_p16, vreinterpretq_u16_f32, vreinterpretq_u16_p64,
19320 vreinterpretq_u16_p128, vreinterpretq_u16_s64, vreinterpretq_u16_u64,
19321 vreinterpretq_u16_s8, vreinterpretq_u16_s16, vreinterpretq_u16_s32,
19322 vreinterpretq_u16_u8, vreinterpretq_u16_u32, vreinterpretq_u32_p8,
19323 vreinterpretq_u32_p16, vreinterpretq_u32_f32, vreinterpretq_u32_p64,
19324 vreinterpretq_u32_p128, vreinterpretq_u32_s64, vreinterpretq_u32_u64,
19325 vreinterpretq_u32_s8, vreinterpretq_u32_s16, vreinterpretq_u32_s32,
19326 vreinterpretq_u32_u8, vreinterpretq_u32_u16): Rewrite using casts.
19328 2016-02-04 Martin Liska <mliska@suse.cz>
19331 * asan.c (has_stmt_been_instrumented_p): Instrument gimple calls
19332 that are gimple_store_p.
19333 (maybe_instrument_call): Likewise.
19335 2016-02-04 Bin Cheng <bin.cheng@arm.com>
19337 * config/aarch64/aarch64.c (aarch64_legitimize_address): Force
19338 register scaling out of memory reference and comment why.
19340 2016-02-04 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
19344 * cse.c (cse_insn): Pass NULL to fold_rtx when initially
19345 folding the source of a SET.
19347 2016-02-04 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
19351 * config/arm/arm.c (arm_new_rtx_costs, MULT case): Properly extract
19352 the operands of the SIGN_EXTENDs from a SMUL[TB][TB] rtx.
19354 2016-02-04 Jim Wilson <jim.wilson@linaro.org>
19358 * config/arm/arm.h (PROMOTE_MODE): Don't set UNSIGNEDP for QImode and
19361 2016-02-04 Christian Bruel <christian.bruel@st.com>
19363 * config/arm/arm-c.c (arm_reset_previous_fndecl): Style fix and typo.
19364 * config/arm/arm.c (arm_set_current_function): Likewise.
19366 2016-02-04 Jakub Jelinek <jakub@redhat.com>
19367 Ilya Enkovich <enkovich.gnu@gmail.com>
19368 H.J. Lu <hongjiu.lu@intel.com>
19371 * config/i386/i386.c (convert_scalars_to_vector): Remove
19372 stack alignment fixes.
19373 (ix86_option_override_internal): Disable TARGET_STV if stack
19374 might not be aligned enough.
19375 (ix86_minimum_alignment): Assert that TARGET_STV is false.
19377 2016-02-04 Victoria Stepanyan <victoria.stepanyan@amd.com>
19379 * config/i386/x86-tune.def: Disable default prefetching
19382 2016-02-03 Michael Meissner <meissner@linux.vnet.ibm.com>
19383 Vladimir Makarov <vmakarov@redhat.com>
19386 * config/rs6000/rs6000.c (rs6000_legitimate_address_p): Fix thinko
19387 in validating fused toc addresses.
19389 2016-02-03 Jakub Jelinek <jakub@redhat.com>
19392 * diagnostic-show-locus.c (layout::get_state_at_point): Don't read
19393 range->m_caret fields if range->m_show_caret_p is false.
19396 * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap):
19397 Force oldval into register if it does not satisfy reg_or_short_operand
19398 predicate. Fix up formatting.
19400 2016-02-03 Vladimir Makarov <vmakarov@redhat.com>
19401 Alexandre Oliva <aoliva@redhat.com>
19404 * lra-constraints.c (simplify_operand_subreg): Check additionally
19405 address validity after potential reloading.
19406 (process_address_1): Check insns validity. In case of failure do
19409 2016-02-03 Kirill Yukhin <kirill.yukhin@intel.com>
19412 * config/i386/sse.md (define_insn "avx512f_maskcmp<mode>3"):
19415 2016-02-02 Jakub Jelinek <jakub@redhat.com>
19417 * wide-int.cc (canonize_uhwi): New function.
19418 (wi::divmod_internal): Use it.
19420 2016-02-02 James Norris <jnorris@codesourcery.com>
19422 * gimplify.c (omp_notice_variable): Add usage check.
19424 2016-02-02 Alexander Monakov <amonakov@ispras.ru>
19426 * config/nvptx/nvptx.c (nvptx_print_operand): Treat LEU, GEU, LTU, GTU
19427 like LE, GE, LT, GT when emitting relational operator.
19429 2016-02-02 Wilco Dijkstra <wdijkstr@arm.com>
19431 * ira-costs.c (find_costs_and_classes): Add extra argument.
19432 * target.def (ira_change_pseudo_allocno_class): Add parameter.
19433 * targhooks.h (ira_change_pseudo_allocno_class): Likewise.
19434 * targhooks.c (ira_change_pseudo_allocno_class): Likewise.
19435 * config/aarch64/aarch64.c (aarch64_ira_change_pseudo_allocno_class)
19436 Add best_class parameter, and return it if not ALL_REGS.
19437 * config/mips/mips.c (mips_ira_change_pseudo_allocno_class):
19439 * doc/tm.texi (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS):
19440 Update target hook.
19442 2016-02-02 Wilco Dijkstra <wdijkstr@arm.com>
19444 * config/aarch64/aarch64.c
19445 (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS): New define.
19446 (aarch64_ira_change_pseudo_allocno_class): New function.
19448 2016-02-02 Uros Bizjak <ubizjak@gmail.com>
19451 * config/i386/i386.c (geode_cost): Increase cost of MMX and SSE moves.
19453 2016-02-02 Senthil Kumar Selvaraj <senthil_kumar.selvaraj@atmel.com>
19455 * config/avr/avr.c (avr_option_override): Set
19456 PARAM_ALLOW_STORE_DATA_RACES to 1.
19458 2016-02-02 Richard Biener <rguenther@suse.de>
19460 PR tree-optimization/69595
19461 * match.pd: Add range test simplifications to true/false.
19463 2016-02-02 Thomas Schwinge <thomas@codesourcery.com>
19465 * omp-builtins.def (BUILT_IN_GOACC_HOST_DATA): Remove.
19466 * omp-low.c (expand_omp_target): Use BUILT_IN_GOACC_DATA_START
19469 2016-02-02 Richard Biener <rguenther@suse.de>
19471 PR tree-optimization/69606
19472 * tree-ssa-math-opts.c (bswap_replace): Clear flow sensitive
19473 info on the result before moving a stmt.
19475 2016-02-02 Yuri Rumyantsev <ysrumyan@gmail.com>
19477 PR middle-end/68542
19478 * config/i386/i386.c (ix86_expand_branch): Add support for conditional
19479 branch with vector comparison.
19480 * config/i386/sse.md (VI48_AVX): New mode iterator.
19481 (define_expand "cbranch<mode>4): Add support for conditional branch
19482 with vector comparison.
19483 * tree-vect-loop.c (optimize_mask_stores): New function.
19484 * tree-vect-stmts.c (vectorizable_mask_load_store): Initialize
19485 has_mask_store field of vect_info.
19486 * tree-vectorizer.c (vectorize_loops): Invoke optimaze_mask_stores for
19487 vectorized loops having masked stores after vec_info destroy.
19488 * tree-vectorizer.h (loop_vec_info): Add new has_mask_store field and
19489 correspondent macros.
19490 (optimize_mask_stores): Add prototype.
19492 2016-02-02 Alan Modra <amodra@gmail.com>
19495 * config/rs6000/predicates.md (quad_int_reg_operand): Don't
19498 2016-02-02 Alan Modra <amodra@gmail.com>
19501 * config/rs6000/rs6000.c (need_toc_init): New var, set it
19502 whenever toc_label_name used.
19503 (rs6000_file_start): Don't set up toc section here,
19504 (rs6000_output_function_epilogue): do so here instead,
19505 (rs6000_xcoff_file_start): and here.
19506 * config/rs6000/rs6000.md (load_toc_aix_si): Set need_toc_init.
19507 (load_toc_aix_di): Likewise.
19509 2016-02-01 Jakub Jelinek <jakub@redhat.com>
19511 PR rtl-optimization/69592
19512 * rtlanal.c (nonzero_bits_binary_arith_p): New inline function.
19513 (cached_nonzero_bits): Use it instead of ARITHMETIC_P.
19514 (num_sign_bit_copies_binary_arith_p): New inline function.
19515 (cached_num_sign_bit_copies): Use it instead of ARITHMETIC_P.
19517 2016-02-01 Jeff Law <law@redhat.com>
19519 PR tree-optimization/69580
19520 * params.def (FSM_MAXIMUM_PHI_ARGUMENTS): New param.
19521 * tree-ssa-threadbackward.c
19522 (fsm_find_control_statement_thread_paths): Do not try to walk
19523 through large PHI nodes.
19525 2016-02-01 Jakub Jelinek <jakub@redhat.com>
19527 * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Return false
19528 when count is incremented above limit, don't analyze further
19531 * omp-low.c (oacc_parse_default_dims): Avoid
19532 -Wsign-compare warning, make sure value fits into int
19533 rather than just unsigned int.
19535 2016-02-01 Bin Cheng <bin.cheng@arm.com>
19537 PR tree-optimization/67921
19538 * fold-const.c (split_tree): New parameters. Convert pointer
19539 type variable part to proper type before negating.
19540 (fold_binary_loc): Pass new arguments to split_tree.
19542 2016-02-01 Nathan Sidwell <nathan@codesourcery.com>
19544 * config/nvptx/nvptx.c (PTX_GANG_DEFAULT): New.
19545 (nvptx_goacc_validate_dims): Extend to handle global defaults.
19546 * target.def (OACC_VALIDATE_DIMS): Extend documentation.
19547 * doc/tm.texti: Rebuilt.
19548 * doc/invoke.texi (fopenacc-dim): Document.
19549 * lto-wrapper.c (merge_and_complain): Add OPT_fopenacc_dim_ case.
19550 (append_compiler_options): Likewise.
19551 * omp-low.c (oacc_default_dims, oacc_min_dims): New.
19552 (oacc_parse_default_dims): New.
19553 (oacc_validate_dims): Add USED arg. Select non-unity default when
19555 (oacc_loop_fixed_partitions): Return mask of used partitions.
19556 (oacc_loop_auto_partitions): Emit dump info.
19557 (oacc_loop_partition): Return mask of used partitions.
19558 (execute_oacc_device_lower): Parse default dimension arg. Adjust
19559 loop partitioning and validation calls.
19561 2016-02-01 Richard Biener <rguenther@suse.de>
19563 PR middle-end/69556
19564 * match.pd: Guard (C1/X)*C2 -> (C1*C2)/X with single_use.
19566 2016-02-01 Richard Biener <rguenther@suse.de>
19568 PR tree-optimization/69574
19569 * tree-chrec.c (hide_evolution_in_other_loops_than_loop): Instead
19570 of asserting return chrec_dont_know.
19572 2016-02-01 Martin Liska <mliska@suse.cz>
19574 * mem-stats-traits.h: Add copyright header.
19575 * mem-stats.h: Likewise.
19577 2016-02-01 Richard Biener <rguenther@suse.de>
19579 PR tree-optimization/69579
19580 * tree-ssa-loop-ivcanon.c (propagate_constants_for_unrolling):
19581 Do not propagate through abnormal PHI results.
19583 2016-02-01 Eric Botcazou <ebotcazou@adacore.com>
19585 * postreload.c (reload_cse_simplify): Remove dead code.
19587 2016-02-01 Jakub Jelinek <jakub@redhat.com>
19589 PR rtl-optimization/69570
19590 * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Return true only
19591 if there is more than one set, not if there is a single set.
19593 2016-02-01 Richard Henderson <rth@redhat.com>
19596 * combine.c (make_compound_operation): When looking through a
19597 subreg, make sure to re-extend to the width of the outer mode.
19599 2016-01-30 Jakub Jelinek <jakub@redhat.com>
19601 PR tree-optimization/69546
19602 * wide-int.cc (wi::divmod_internal): For unsigned division
19603 where both operands fit into uhwi, if o1 is 1 and o0 has
19604 msb set, if divident_prec is larger than bits per hwi,
19605 clear another quotient word and return 2 instead of 1.
19606 Similarly for remainder with msb in HWI set, if dividend_prec
19607 is larger than bits per hwi.
19609 2016-01-29 Martin Jambor <mjambor@suse.cz>
19611 * hsa-gen.c (get_memory_order_name): Mask with MEMMODEL_BASE_MASK.
19612 Use short lowercase names.
19613 (get_memory_order): Mask with MEMMODEL_BASE_MASK. Support
19614 MEMMODEL_CONSUME with acquire semantics and MEMMODEL_SEQ_CST with
19615 acq_rel one. Protect warning agains segfaults if
19616 get_memory_order_name returns NULL.
19617 (gen_hsa_ternary_atomic_for_builtin): Support with MEMMODEL_SEQ_CST
19618 with release semantics. Do not warn if get_memory_order already did.
19619 (gen_hsa_insns_for_call): Support with MEMMODEL_SEQ_CST with acquire
19620 semantics. Fix check for relaxed or acquire semantics. Do not warn
19621 if get_memory_order already did.
19623 2016-01-29 Sebastian Pop <s.pop@samsung.com>
19625 * doc/install.texi: Document that isl-0.16 is supported.
19627 2016-01-29 Vladimir Makarov <vmakarov@redhat.com>
19630 * config/i386/constraints.md (Bm): Describe as special memory
19632 * doc/md.texi (DEFINE_SPECIAL_MEMORY_CONSTRAINT): Describe it.
19633 * genoutput.c (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
19634 * genpreds.c (struct constraint_data): Add is_special_memory.
19635 (have_special_memory_constraints, special_memory_start): New
19637 (special_memory_end): Ditto.
19638 (add_constraint): Add new arg is_special_memory. Add code to
19639 process its true value. Update have_special_memory_constraints.
19640 (process_define_constraint): Pass the new arg.
19641 (process_define_register_constraint): Ditto.
19642 (choose_enum_order): Process special memory.
19643 (write_tm_preds_h): Generate enum const CT_SPECIAL_MEMORY and
19644 function insn_extra_special_memory_constraint.
19645 (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
19646 * gensupport.c (process_rtx): Process
19647 DEFINE_SPECIAL_MEMORY_CONSTRAINT.
19648 * ira-costs.c (record_reg_classes): Process CT_SPECIAL_MEMORY.
19649 * ira-lives.c (single_reg_class): Use
19650 insn_extra_special_memory_constraint.
19651 * ira.c (ira_setup_alts): Process CT_SPECIAL_MEMORY.
19652 * lra-constraints.c (process_alt_operands): Ditto.
19653 (curr_insn_transform): Use insn_extra_special_memory_constraint.
19654 * recog.c (asm_operand_ok, preprocess_constraints): Process
19656 * reload.c (find_reloads): Ditto.
19657 * rtl.def (DEFINE_SPECIFAL_MEMORY_CONSTRAINT): New.
19658 * stmt.c (parse_input_constraint): Use
19659 insn_extra_special_memory_constraint.
19661 2016-01-29 H.J. Lu <hongjiu.lu@intel.com>
19664 * lra-splill.c (lra_final_code_change): Revert r229087 by
19665 removing all sub-registers.
19667 2016-01-29 Steve Ellcey <sellcey@imgtec.com>
19670 * config/mips/mips.c (mips_output_division): Check flag_delayed_branch.
19672 2016-01-29 Jakub Jelinek <jakub@redhat.com>
19675 * config/i386/i386.c (ix86_expand_vector_set) <case V4SImode>: For
19676 SSE1, copy target into the temporary reg first before recursing
19679 2016-01-29 H.J. Lu <hongjiu.lu@intel.com>
19681 * config/i386/sse.md (sse2_cvtps2pd<mask_name>): Replace vBm
19684 2016-01-29 Jonathan Wakely <jwakely@redhat.com>
19686 * ginclude/stdarg.h: Test __cplusplus instead of
19687 __GXX_EXPERIMENTAL_CXX0X__.
19689 2016-01-29 Richard Biener <rguenther@suse.de>
19691 PR tree-optimization/69547
19692 * tree-ssa-dce.c (mark_aliased_reaching_defs_necessary_1):
19693 Do not mark clobbers necessary.
19694 (mark_all_reaching_defs_necessary_1): Likewise.
19696 2016-01-29 Dominik Vogt <vogt@linux.vnet.ibm.com>
19698 * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Format
19699 declaration name with %qs and print it in both error messages.
19700 Also fix indentation.
19702 2016-01-29 Dominik Vogt <vogt@linux.vnet.ibm.com>
19705 * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Remove
19706 trailing blank line from error message.
19708 2016-01-29 Jonathan Wakely <jwakely@redhat.com>
19711 * ginclude/float.h: Also provide FLT_EVAL_METHOD and DECIMAL_DIG
19714 2016-01-29 Richard Biener <rguenther@suse.de>
19716 PR middle-end/69537
19717 * match.pd: Allow all integral types when simplifying a
19718 widening or sign-changing conversion.
19720 2016-01-28 Sebastian Pop <s.pop@samsung.com>
19722 * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Revert assert
19723 back to setting codegen_error to fail codegen.
19725 2016-01-28 Uros Bizjak <ubizjak@gmail.com>
19728 * config/i386/constraints.md (C): Only accept constant zero operand.
19729 (BC): New constraint.
19730 * config/i386/sse.md (*mov<mode>_internal): Use BC constraint
19731 instead of C constraint.
19732 * doc/md.texi (Machine Constraints): Update description
19735 2016-01-28 Steve Ellcey <sellcey@imgtec.com>
19738 * config/mips/mips.c (and_operands_ok): Add MIPS16 check.
19740 2016-01-28 Jakub Jelinek <jakub@redhat.com>
19742 PR middle-end/69542
19743 * lra-remat.c (calculate_local_reg_remat_bb_data): Only consider
19746 2016-01-28 Pat Haugen <pthaugen@us.ibm.com>
19748 * config/rs6000/rs6000.c (output_cbranch): Don't statically predict
19749 branches if using guessed profile.
19751 2016-01-28 H.J. Lu <hongjiu.lu@intel.com>
19753 * graphite-optimize-isl.c (optimize_isl): Fix dump.
19755 2016-01-28 Richard Henderson <rth@redhat.com>
19758 * config/aarch64/aarch64-modes.def (CC_Cmode): New
19759 * config/aarch64/aarch64-protos.h: Update.
19760 * config/aarch64/aarch64.c (aarch64_zero_extend_const_eq): New.
19761 (aarch64_select_cc_mode): Add check for use of CC_Cmode.
19762 (aarch64_get_condition_code_1): Handle CC_Cmode.
19763 * config/aarch64/aarch64.md (addti3): Use adddi3_compareC.
19764 (*add<mode>3_compareC_cconly_imm): New.
19765 (*add<mode>3_compareC_cconly): New.
19766 (*add<mode>3_compareC_imm): New.
19767 (add<mode>3_compareC): New.
19768 (add<mode>3_carryin, *addsi3_carryin_uxtw): Sort compare operand
19769 to be first. Use aarch64_carry_operation.
19770 (*add<mode>3_carryin_alt1, *addsi3_carryin_alt1_uxtw): Remove.
19771 (*add<mode>3_carryin_alt2, *addsi3_carryin_alt2_uxtw): Remove.
19772 (*add<mode>3_carryin_alt3, *addsi3_carryin_alt3_uxtw): Remove.
19773 (subti3): Use subdi3_compare1.
19774 (*sub<mode>3_compare0): Rename from sub<mode>3_compare0.
19775 (sub<mode>3_compare1): New.
19776 (*sub<mode>3_carryin0, *subsi3_carryin_uxtw): New.
19777 (*sub<mode>3_carryin): Use aarch64_borrow_operation.
19778 (*subsi3_carryin_uxtw): Likewise.
19779 (*ngc<mode>, *ngcsi_uxtw): Likewise.
19780 (*sub<mode>3_carryin_alt, *subsi3_carryin_alt_uxtw): New.
19781 * config/aarch64/iterators.md (DWI): New.
19782 * config/aarch64/predicates.md (aarch64_carry_operation): New.
19783 (aarch64_borrow_operation): New.
19785 2016-01-28 Abderrazek Zaafrani <a.zaafrani@samsung.com>
19787 * graphite-optimize-isl.c (optimize_isl): Print a different debug
19788 message when isl does not return a valid schedule.
19790 2016-01-28 Sebastian Pop <s.pop@samsung.com>
19792 * graphite-isl-ast-to-gimple.c (class translate_isl_ast_to_gimple):
19793 Remove comments from class declarations: they are already in the code
19796 2016-01-28 Sebastian Pop <s.pop@samsung.com>
19798 * graphite-isl-ast-to-gimple.c (binary_op_to_tree): Call
19800 (ternary_op_to_tree): Same.
19801 (unary_op_to_tree): Same.
19802 (nary_op_to_tree): Same.
19803 (gcc_expression_from_isl_expr_op): Same.
19804 (gcc_expression_from_isl_expression): Same.
19805 (graphite_create_new_loop): Same.
19806 (graphite_create_new_loop_guard): Same.
19807 (build_iv_mapping): Same.
19808 (graphite_create_new_guard): Same.
19809 (translate_isl_ast_to_gimple::copy_loop_phi_nodes): Same.
19810 (translate_isl_ast_to_gimple::translate_pending_phi_nodes): Same.
19812 2016-01-28 Sebastian Pop <s.pop@samsung.com>
19814 * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Assert
19815 instead of setting codegen_error to fail codegen.
19817 2016-01-28 Jason Merrill <jason@redhat.com>
19819 * tree.h (BINFO_FLAG_0): Rename from BINFO_MARKED.
19821 2016-01-28 Wilco Dijkstra <wdijkstr@arm.com>
19823 * config/aarch64/aarch64.c (aarch64_if_then_else_costs):
19824 Remove CONST_INT_P check in CCMP cost calculation.
19826 2016-01-28 Wilco Dijkstra <wdijkstr@arm.com>
19828 * config/aarch64/aarch64.c (generic_vector_cost):
19829 Set vec_permute_cost.
19830 (cortexa57_vector_cost): Likewise.
19831 (exynosm1_vector_cost): Likewise.
19832 (xgene1_vector_cost): Likewise.
19833 (aarch64_builtin_vectorization_cost): Use vec_permute_cost.
19834 * config/aarch64/aarch64-protos.h (cpu_vector_cost):
19835 Add vec_permute_cost entry.
19837 2016-01-28 Wilco Dijkstra <wdijkstr@arm.com>
19839 * config/aarch64/aarch64.md (ccmp<mode>): Disassemble
19841 (add<mode>3_compare0): Likewise.
19842 (addsi3_compare0_uxtw): Likewise.
19843 (add<mode>3nr_compare0): Likewise.
19844 (compare_neg<mode>): Likewise.
19845 (<optab><mode>3): Likewise.
19847 2016-01-28 Ilya Enkovich <enkovich.gnu@gmail.com>
19849 * tree-vect-stmts.c (vectorizable_comparison): Add
19850 NULL check for vectype.
19852 2016-01-28 Richard Biener <rguenther@suse.de>
19854 PR tree-optimization/69466
19855 * tree-vect-loop-manip.c (slpeel_duplicate_current_defs_from_edges):
19856 Account for PHIs we couldn't duplicate.
19858 2016-01-28 Martin Liska <mliska@suse.cz>
19861 * ggc-common.c (gt_pch_save): Use ENABLE_VALGRIND_ANNOTATIONS macro
19862 instead of ENABLE_VALGRIND_CHECKING.
19864 2016-01-27 Richard Henderson <rth@redhat.com>
19867 * lra-remat.c (subreg_regs): New.
19868 (dump_candidates_and_remat_bb_data): Dump it.
19869 (operand_to_remat): Reject if operand in subreg_regs.
19870 (set_bb_regs): Collect subreg_regs.
19871 (lra_remat): Init and free subreg_regs. Compute
19872 calculate_local_reg_remat_bb_data before create_cands.
19874 2016-01-27 H.J. Lu <hongjiu.lu@intel.com>
19877 * config/i386/i386.c (ix86_update_stack_boundary): Don't
19878 change stack_alignment_needed for __tls_get_addr call.
19880 2016-01-27 Segher Boessenkool <segher@kernel.crashing.org>
19882 * config/rs6000/rs6000.c (print_operand): Rollback 's' removal.
19884 2016-01-27 Jeff Law <law@redhat.com>
19886 PR tree-optimization/68398
19887 PR tree-optimization/69196
19888 * params.def (PARAM_FSM_SCALE_PATH_STMTS): New parameter.
19889 (PARAM_FSM_SCALE_PATH_BLOCKS): Likewise.
19890 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
19891 Only count PHIs in the last block in the path. The others will
19892 const/copy propagate away. Add heuristic to allow more irreducible
19893 subloops to be created when it is likely profitable to do so.
19895 * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
19896 Fix typo in comment. Use gsi_after_labels and remove the GIMPLE_LABEL
19897 check from within the loop. Use gsi_next_nondebug rather than gsi_next.
19899 2016-01-27 Jakub Jelinek <jakub@redhat.com>
19902 * sanitizer.def: Add BEGIN_SANITIZER_BUILTINS and
19903 END_SANITIZER_BUILTINS markers using DEF_BUILTIN_STUB.
19904 * asan.c (DEF_BUILTIN_STUB): Temporarily define.
19905 * tree-streamer-in.c: Include asan.h.
19906 (streamer_get_builtin_tree): For builtins in sanitizer
19907 range call initialize_sanitizer_builtins and retry.
19909 2016-01-27 Ian Lance Taylor <iant@google.com>
19911 * common.opt (fkeep-gc-roots-live): New undocumented option.
19912 * tree-ssa-loop-ivopts.c (add_candidate_1): If
19913 -fkeep-gc-roots-live, skip pointers.
19914 (add_iv_candidate_for_biv): Handle add_candidate_1 returning
19917 2016-01-27 Uros Bizjak <ubizjak@gmail.com>
19920 * config/i386/i386.md (*zext<mode>_doubleword_and): New pattern.
19921 (*zext<mode>_doubleword): Disable for TARGET_ZERO_EXTEND_WITH_AND.
19923 2016-01-27 Thomas Klausner <wiz@NetBSD.org>
19926 * configure.ac: NetBSD provides SSP in its C library.
19927 * configure: Updated.
19929 2016-01-27 Richard Biener <rguenther@suse.de>
19931 PR tree-optimization/69166
19932 * tree-vect-loop.c (vect_is_simple_reduction): Always check
19933 reduction code for commutativity / associativity.
19935 2016-01-27 Martin Jambor <mjambor@suse.cz>
19937 PR tree-optimization/69355
19938 * tree-sra.c (analyze_access_subtree): Correct hole detection when
19939 total_scalarization fails.
19941 2016-01-27 David Edelsohn <dje.gcc@gmail.com>
19943 * config/rs6000/driver-rs6000.c (detect_processor_aix): Add
19946 2016-01-27 Christian Bruel <christian.bruel@st.com>
19949 * config/arm/arm-c.c (arm_pragma_target_parse): Add comments.
19950 Move arm_reset_previous_fndecl and set_target_option_current_node in
19951 the conditional part. Call save_restore_target_globals.
19952 * config/arm/arm.c (arm_set_current_function):
19953 Refactor to better support #pragma target and attribute mix.
19954 Call save_restore_target_globals.
19955 * config/arm/arm-protos.h (save_restore_target_globals): New function.
19957 2016-01-27 Martin Liska <mliska@suse.cz>
19959 * hsa.c (hsa_summary_t::link_functions): Create IPA_REF_ADDR
19960 reference for an HSA kernel and its host function.
19962 2016-01-27 Jakub Jelinek <jakub@redhat.com>
19964 PR tree-optimization/69399
19965 * wide-int.h (wi::lrshift): For larger precisions, only
19966 use fast path if shift is known to be < HOST_BITS_PER_WIDE_INT.
19968 2016-01-27 Claudiu Zissulescu <claziss@synopsys.com>
19970 * config/arc/predicates.md (proper_comparison_operator): Reject
19971 constant-constant comparison.
19973 2016-01-26 Tom de Vries <tom@codesourcery.com>
19975 PR tree-optimization/69110
19976 * tree-data-ref.c (initialize_data_dependence_relation): Handle
19977 DR_NUM_DIMENSIONS == 0.
19979 2016-01-26 Abderrazek Zaafrani <a.zaafrani@samsung.com>
19980 Sebastian Pop <s.pop@samsung.com>
19982 * graphite-isl-ast-to-gimple.c (ternary_op_to_tree): Handle
19983 isl_ast_op_cond and isl_ast_op_select.
19984 (gcc_expression_from_isl_expr_op): Same.
19986 2016-01-26 Jason Merrill <jason@redhat.com>
19989 * tree.c (recompute_constructor_flags): Split out from
19991 (verify_constructor_flags): New.
19992 * tree.h: Declare them.
19994 2016-01-26 Iain Buclaw <ibuclaw@gdcproject.org>
19996 PR rtl-optimization/69217
19997 * var-tracking.c (tracked_record_parameter_p): Don't segfault if there
19998 are no TYPE_FIELDS set for the record type.
20000 2016-01-26 Jakub Jelinek <jakub@redhat.com>
20003 * config/rs6000/rs6000.c (rs6000_option_override_internal): Initialize
20004 toc_label_name unconditionally.
20005 (rs6000_emit_load_toc_table): Call ggc_strdup on toc_label_name for
20006 SYMBOL_REF string. Use toc_label_name instead of constructing
20008 (rs6000_elf_declare_function_name): Use toc_label_name instead of
20009 constructing LCTOC1.
20011 2016-01-26 Martin Sebor <msebor@redhat.com>
20014 * doc/extend.texi (Common Type Attributes): Move text that talks about
20015 attribute packed from attribute aligned to the section discussing
20016 the former attribute for clarity.
20018 2016-01-26 Richard Henderson <rth@redhat.com>
20020 PR middle-end/60908
20021 * trans-mem.c (tm_region_init): Mark entry block as visited.
20023 2016-01-26 David Malcolm <dmalcolm@redhat.com>
20026 * diagnostic-show-locus.c (layout::print_source_line): Replace
20027 call to pp_newline with call to layout::print_newline.
20028 (layout::print_annotation_line): Likewise.
20029 (layout::move_to_column): Likewise.
20030 (layout::print_any_fixits): After printing any fixits, print a
20031 trailing newline, if necessary.
20032 (layout::print_newline): New method, resetting any colorization
20034 (diagnostic_show_locus): Move the pp_newline to before the
20035 early bailout. Remove dummy block enclosing the layout instance.
20036 * diagnostic.c (default_diagnostic_finalizer): Replace invocation
20037 of pp_newline_and_flush with pp_flush.
20038 (diagnostic_append_note): Delete use of pp_newline.
20039 (diagnostic_append_note_at_rich_loc): Delete.
20040 * diagnostic.h (diagnostic_append_note_at_rich_loc): Delete.
20041 * pretty-print.h (output_buffer_append_r): Reset buff->line_length
20042 when newline characters are added to the buffer.
20044 2016-01-26 Michael Matz <matz@suse.de>
20046 * configure.ac (ac_cv_std_swap_in_utility): New test.
20047 * system.h (<algorithm>): Check HAVE_SWAP_IN_UTILITY as well.
20048 * configure: Regenerate.
20049 * config.in: Regenerate.
20051 2016-01-26 Claudiu Zissulescu <claziss@synopsys.com>
20053 * config/arc/arc.md (cstoresi4): Force operand into register.
20054 (arcset<code>): Fix predicate.
20055 (arcsetltu): Likewise.
20056 (arcsetgeu): Likewise.
20057 (arcsethi): Likewise.
20058 (arcsetls): Likewise.
20060 2016-01-26 Jakub Jelinek <jakub@redhat.com>
20062 PR tree-optimization/69483
20063 * gimple-fold.c (canonicalize_constructor_val): Return NULL
20064 if base has error_mark_node type.
20066 2016-01-26 Christophe Lyon <christophe.lyon@linaro.org>
20069 * config/arm/arm.c (neon_valid_immediate): Handle FP16 vectors.
20070 * config/arm/arm_neon.h (__ARM_NUM_LANES, __arm_lane, arm_lanq):
20072 (vget_lane_f16): Handle big-endian.
20073 (vgetq_lane_f16): Likewise.
20074 (vset_lane_f16): Likewise.
20075 (vsetq_lane_f16): Likewise.
20076 * config/arm/iterators.md (VQXMOV): Add V8HF.
20077 (VDQ): Add V4HF and V8HF.
20078 (V_reg): Handle V4HF and V8HF.
20079 (Is_float_mode): Likewise.
20080 * config/arm/neon.md (movv4hf, movv8hf, neon_vdup_nv4hf,
20081 neon_vdup_nv8hf): New patterns.
20082 (vec_set<mode>_internal, vec_extract<mode>, neon_vld1_dup<mode>):
20083 Use VD_LANE iterator.
20084 (neon_vld1_dup<mode>): Use VQ2 iterator.
20086 2016-01-26 Nathan Sidwell <nathan@acm.org>
20088 * omp-low.h (oacc_fn_attrib_kernels_p): Declare.
20089 (set_oacc_fn_attrib): Add IS_KERNEL arg.
20090 * omp-low.c (set_oacc_fn_attrib): Add IS_KERNEL arg.
20091 (oacc_fn_attrib_kernels_p, oacc_fn_attrib_level): New.
20092 (expand_omp_target): Pass is_kernel to set_oacc_fn_attrib.
20093 (oacc_validate_dims): Add LEVEL arg, don't return level.
20094 (new_oacc_loop_routine): Use oacc_fn_attrib_level, not
20095 oacc_validate_dims.
20096 (execute_oacc_device_lower): Adjust, add more dump output.
20097 * tree-ssa-loop.c (gate_oacc_kernels): Use
20098 oacc_fn_attrib_kernels_p.
20099 * tree-parloops.c (create_parallel_loop): Adjust
20100 set_oacc_fn_attrib call.
20102 2016-01-26 Jakub Jelinek <jakub@redhat.com>
20105 * lto-wrapper.c (merge_and_complain): Handle -fcilkplus.
20106 (append_compiler_options): Handle -fcilkplus.
20107 (append_linker_options): Ignore -fno-{openmp,openacc,cilkplus}.
20109 2016-01-26 Nick Clifton <nickc@redhat.com>
20112 * config/i386/winnt.c (i386_pe_binds_local_p): If a function has
20113 been marked as DECL_ONE_ONLY but we do not the means to make it
20114 so, then do not allow it to bind locally.
20116 2016-01-26 Jakub Jelinek <jakub@redhat.com>
20119 * opts.h (parse_sanitizer_options): New prototype.
20120 * opts.c (sanitizer_opts): New array.
20121 (parse_sanitizer_options): New function.
20122 (common_handle_option): Use parse_sanitizer_options.
20124 2016-01-26 H.J. Lu <hongjiu.lu@intel.com>
20127 * config/i386/i386.c (ix86_compute_frame_layout): Move stack
20128 alignment adjustment to ...
20129 (ix86_update_stack_boundary): Here. Don't over-align stack for
20131 (ix86_finalize_stack_realign_flags): Use stack_alignment_needed
20132 if __tls_get_addr is called.
20134 2016-01-26 Christian Bruel <christian.bruel@st.com>
20136 * doc/sourcebuild.texi (arm_crypto_pragma_ok): Remove.
20138 2016-01-26 Eric Botcazou <ebotcazou@adacore.com>
20140 * config/ia64/ia64.c (ia64_expand_vecint_compare): Use gen_int_mode.
20142 2016-01-26 Richard Biener <rguenther@suse.de>
20144 PR middle-end/69467
20145 * match.pd: Guard X * CST CMP 0 pattern with single_use.
20147 2016-01-26 Richard Biener <rguenther@suse.de>
20149 PR tree-optimization/69452
20150 * tree-ssa-loop-im.c (move_computations_dom_walker): Remove.
20151 (move_computations_dom_walker::before_dom_children): Rename
20153 (move_computations_worker): This.
20154 (move_computations): Perform an RPO rather than a DOM walk.
20156 2016-01-26 Jakub Jelinek <jakub@redhat.com>
20159 * combine.c (combine_instructions): For REG_EQUAL note with
20160 SET_DEST being ZERO_EXTRACT, also temporarily set SET_DEST
20161 to the underlying register.
20162 * doc/rtl.texi (REG_EQUAL): Document the behavior of
20163 REG_EQUAL/REG_EQUIV notes if SET_DEST is ZERO_EXTRACT.
20165 2016-01-26 Roger Ferrer Ibáñez <rofirrim@gmail.com>
20168 * config/aarch64/aarch64-builtins.c
20169 (aarch64_init_simd_builtin_types): Do not set structural
20170 equality to __Poly{8,16,64,128}_t types.
20172 2016-01-26 Richard Sandiford <richard.sandiford@arm.com>
20174 PR tree-optimization/69400
20175 * wide-int.cc (wi_pack): Take the precision as argument and
20176 perform canonicalization here rather than in the callers.
20177 Use the main loop to handle all full-width HWIs. Add a
20178 zero HWI if in_len isn't a full result.
20179 (wi::divmod_internal): Update accordingly.
20180 (wi::mul_internal): Likewise. Simplify.
20182 2016-01-25 Aditya Kumar <aditya.k7@samsung.com>
20183 Sebastian Pop <s.pop@samsung.com>
20185 * graphite-poly.c (apply_poly_transforms): Simplify.
20186 (print_isl_set): Use more readable format: ISL_YAML_STYLE_BLOCK.
20187 (print_isl_map): Same.
20188 (print_isl_union_map): Same.
20189 (print_isl_schedule): New.
20190 (debug_isl_schedule): New.
20191 * graphite-dependences.c (scop_get_reads): Do not call
20192 isl_union_map_add_map that is undocumented isl functionality.
20193 (scop_get_must_writes): Same.
20194 (scop_get_may_writes): Same.
20195 (scop_get_original_schedule): Remove.
20196 (scop_get_dependences): Do not call isl_union_map_compute_flow that
20197 is deprecated in isl 0.15. Instead, use isl_union_access_* interface.
20198 (compute_deps): Remove.
20199 * graphite-isl-ast-to-gimple.c (print_schedule_ast): New.
20200 (debug_schedule_ast): New.
20201 (translate_isl_ast_to_gimple::scop_to_isl_ast): Call
20202 set_separate_option.
20203 (graphite_regenerate_ast_isl): Add dump.
20204 (translate_isl_ast_to_gimple::scop_to_isl_ast): Generate code
20205 from scop->transformed_schedule.
20206 (graphite_regenerate_ast_isl): Add more dump.
20207 * graphite-optimize-isl.c (optimize_isl): Set
20208 scop->transformed_schedule. Check whether schedules are equal.
20209 (apply_poly_transforms): Move here.
20210 * graphite-poly.c (apply_poly_transforms): ... from here.
20211 (free_poly_bb): Static.
20212 (free_scop): Static.
20213 (pbb_number_of_iterations_at_time): Remove.
20214 (print_isl_ast): New.
20215 (debug_isl_ast): New.
20216 (debug_scop_pbb): New.
20217 * graphite-scop-detection.c (print_edge): Move.
20218 (print_sese): Move.
20219 * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Remove.
20220 (build_scop_scattering): Remove.
20221 (create_pw_aff_from_tree): Assert instead of bailing out.
20222 (add_condition_to_pbb): Remove unused code, do not fail.
20223 (add_conditions_to_domain): Same.
20224 (add_conditions_to_constraints): Remove.
20225 (build_scop_context): New.
20226 (add_iter_domain_dimension): New.
20227 (build_iteration_domains): Initialize pbb->iterators.
20228 Call add_conditions_to_domain.
20231 (index_outermost_in_loop): New.
20232 (index_pbb_in_loop): New.
20233 (outermost_pbb_in): New.
20234 (add_in_sequence): New.
20235 (add_outer_projection): New.
20236 (outer_projection_mupa): New.
20237 (add_loop_schedule): New.
20238 (build_schedule_pbb): New.
20239 (build_schedule_loop): New.
20240 (embed_in_surrounding_loops): New.
20241 (build_schedule_loop_nest): New.
20242 (build_original_schedule): New.
20243 (build_poly_scop): Call build_original_schedule.
20244 * graphite.h: Declare print_isl_schedule and debug_isl_schedule.
20245 (free_poly_dr): Remove.
20246 (struct poly_bb): Add iterators. Remove schedule, transformed, saved.
20247 (free_poly_bb): Remove.
20248 (debug_loop_vec): Remove.
20249 (print_isl_ast): Declare.
20250 (debug_isl_ast): Declare.
20251 (scop_do_interchange): Remove.
20252 (scop_do_strip_mine): Remove.
20253 (scop_do_block): Remove.
20254 (flatten_all_loops): Remove.
20255 (optimize_isl): Remove.
20256 (pbb_number_of_iterations_at_time): Remove.
20257 (debug_scop_pbb): Declare.
20258 (print_schedule_ast): Declare.
20259 (debug_schedule_ast): Declare.
20260 (struct scop): Remove schedule. Add original_schedule,
20261 transformed_schedule.
20262 (free_gimple_poly_bb): Remove.
20263 (print_generated_program): Remove.
20264 (debug_generated_program): Remove.
20265 (unify_scattering_dimensions): Remove.
20266 * sese.c (print_edge): ... here.
20267 (print_sese): ... here.
20268 (debug_edge): ... here.
20269 (debug_sese): ... here.
20270 * sese.h (print_edge): Declare.
20271 (print_sese): Declare.
20272 (dump_edge): Declare.
20273 (dump_sese): Declare.
20275 2016-01-25 Aditya Kumar <aditya.k7@samsung.com>
20276 Sebastian Pop <s.pop@samsung.com>
20278 * Makefile.in: Set ISLVER in site.exp.
20280 2016-01-25 Jakub Jelinek <jakub@redhat.com>
20282 * omp-low.c (lower_omp_target) <case USE_DEVICE_PTR>: Set
20283 DECL_VALUE_EXPR of new_var even for the non-array case. Look
20284 through DECL_VALUE_EXPR for expansion.
20286 2016-01-25 Bernd Edlinger <bernd.edlinger@hotmail.de>
20288 * config/mips/mips.c (mips_compute_frame_info): Skip re-computing
20289 the frame info after reload completed.
20291 2016-01-25 Jeff Law <law@redhat.com>
20293 PR tree-optimization/69196
20294 PR tree-optimization/68398
20295 * tree-ssa-threadupdate.h (enum bb_dom_status): Moved here from
20296 tree-ssa-threadupdate.c.
20297 (determine_bb_domination_status): Prototype
20298 * tree-ssa-threadupdate.c (enum bb_dom_status): Remove
20299 (determine_bb_domination_status): No longer static.
20300 (valid_jump_thread_path): Remove code to detect characteristics
20301 of the jump thread path not associated with correctness.
20302 * tree-ssa-threadbackward.c (fsm_find_control_statment_thread_paths):
20303 Correct test for thread path length. Count PHIs for real operands as
20304 statements that need to be copied. Do not count ASSERT_EXPRs.
20305 Look at all the blocks in the thread path. Compute and selectively
20306 filter thread paths based on threading through the latch, threading
20307 a multiway branch or crossing a multiway branch.
20309 2016-01-25 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
20311 * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled): Add
20312 decl with __attribute__ ((unused)) annotation.
20314 2016-01-25 Ilya Enkovich <enkovich.gnu@gmail.com>
20317 * tree-vect-stmts.c (vectorizable_condition): Check vectype
20318 of operands is compatible with a statement vectype.
20320 2016-01-25 Eric Botcazou <ebotcazou@adacore.com>
20322 * doc/extend.texi (scalar_storage_order type attribute): Fix typo and
20323 improve wording for mixed storage order support.
20325 2016-01-25 Bilyan Borisov <bilyan.borisov@arm.com>
20327 * config/aarch64/arm_neon.h (vcvt_s64_f64): New intrinsic.
20328 (vcvt_u64_f64): Likewise.
20329 (vcvta_s64_f64): Likewise.
20330 (vcvta_u64_f64): Likewise.
20331 (vcvtm_s64_f64): Likewise.
20332 (vcvtm_u64_f64): Likewise.
20333 (vcvtn_s64_f64): Likewise.
20334 (vcvtn_u64_f64): Likewise.
20335 (vcvtp_s64_f64): Likewise.
20336 (vcvtp_u64_f64): Likewise.
20338 2016-01-25 Claudiu Zissulescu <claziss@synopsys.com>
20340 * config/arc/arc.c (TARGET_DWARF_REGISTER_SPAN): Define.
20341 (arc_init): Check validity mll64 option.
20342 (arc_save_restore): Use double load/store instruction.
20343 (arc_expand_movmem): Likewise.
20344 (arc_split_move): Don't split if we have double load/store
20345 instructions. Returns a boolean.
20346 (arc_process_double_reg_moves): Change function to return boolean
20347 instead of a sequence of instructions.
20348 (arc_dwarf_register_span): New function.
20349 * config/arc/arc-protos.h (arc_split_move): Change prototype.
20350 * config/arc/arc.h (TARGET_CPU_CPP_BUILTINS): Define __ARC_LL64__.
20351 * config/arc/arc.md (*movdi_insn): Emit ldd/std instructions.
20352 (*movdf_insn): Likewise.
20353 * config/arc/arc.opt (mll64): New option.
20354 * config/arc/predicates.md (even_register_operand): New predicate.
20355 * doc/invoke.texi (ARC Options): Add mll64 documentation.
20357 2016-01-25 Richard Biener <rguenther@suse.de>
20360 * dwarf2out.c (is_naming_typedef_decl): Not when DECL_NAMELESS.
20361 * tree-streamer-out.c (pack_ts_base_value_fields): Stream
20363 * tree-streamer-in.c (unpack_ts_base_value_fields): Likewise.
20365 2016-01-25 Richard Biener <rguenther@suse.de>
20367 PR tree-optimization/69376
20368 * tree-ssa-sccvn.h (struct vn_ssa_aux): Add range_info_anti_range_p
20370 (VN_INFO_ANTI_RANGE_P): New inline.
20371 (VN_INFO_RANGE_TYPE): Likewise.
20372 * tree-ssa-sccvn.c (set_ssa_val_to): Also record and copy
20373 SSA_NAME_ANTI_RANGE_P.
20374 (free_scc_vn): Restore SSA_NAME_ANTI_RANGE_P.
20375 * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
20376 Properly query VN_INFO_RANGE_TYPE.
20378 2016-01-25 Nick Clifton <nickc@redhat.com>
20381 * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Remove definition.
20383 2016-01-23 Tom de Vries <tom@codesourcery.com>
20385 PR tree-optimization/69426
20386 * tree-parloops.c (eliminate_local_variables_stmt): Handle vdef of
20389 2016-01-23 Jakub Jelinek <jakub@redhat.com>
20391 * tree-ssanames.c (release_free_names_and_compact_live_names): Replace
20392 "the the" with "the" in the comments.
20393 * ipa-devirt.c (build_type_inheritance_graph,
20394 update_type_inheritance_graph): Likewise.
20395 * tree.c (build_function_type_list_1): Likewise.
20396 * cfgloopmanip.c (scale_loop_profile): Likewise.
20397 * tree-ssa-loop-ivopts.c (get_shiftadd_cost): Likewise.
20398 * gimple-ssa-split-paths.c
20399 (find_block_to_duplicate_for_splitting_paths): Likewise.
20400 * tree-sra.c (init_subtree_with_zero, clobber_subtree): Likewise.
20401 * expr.c (convert_move): Likewise.
20402 * var-tracking.c (vt_stack_adjustments): Likewise.
20403 * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Likewise.
20404 * tree-vrp.c (test_for_singularity): Likewise.
20406 * tree-vect-stmts.c (vectorizable_condition): Build a VEC_COND_EXPR
20407 directly instead of building a temporary tree.
20410 * genrecog.c: Define INCLUDE_ALGORITHM before including system.h,
20411 remove <algorithm> include.
20413 2016-01-22 Jakub Jelinek <jakub@redhat.com>
20416 * config/i386/i386.c: Include dojump.h.
20417 (expand_small_movmem_or_setmem,
20418 expand_set_or_movmem_prologue_epilogue_by_misaligned_moves): Spelling
20420 (ix86_expand_set_or_movmem): Call do_pending_stack_adjust () early
20421 if dynamic_check != -1.
20423 2016-01-21 Jeff Law <law@redhat.com>
20425 PR middle-end/69347
20426 * tree-ssa-dom.c (back_propagate_equivalences): Factored out of
20427 record_temporary_equivalences. Rewritten to avoid unnecessary calls
20428 into dominated_by_p.
20429 (cprop_into_successor_phis): Avoid unnecessary tests.
20431 2016-01-22 Richard Henderson <rth@redhat.com>
20434 * config/aarch64/aarch64.md (UNSPEC_NZCV): New.
20435 (ccmp<mode>, fccmp<mode>, fccmpe<mode>): Use it.
20437 2016-01-22 Michael Matz <matz@suse.de>
20439 * system.h (string, algorithm): Include only conditionally.
20440 (new): Include always under C++.
20441 * bb-reorder.c (toplevel): Define INCLUDE_ALGORITHM.
20442 * final.c (toplevel): Ditto.
20443 * ipa-chkp.c (toplevel): Define INCLUDE_STRING.
20444 * genconditions.c (write_header): Make gencondmd.c define
20446 * mem-stats.h (mem_usage::print_dash_line): Don't use std::string.
20448 * config/aarch64/aarch64.c (toplevel): Define INCLUDE_STRING.
20449 * common/config/aarch64/aarch64-common.c (toplevel): Ditto.
20451 2016-01-22 Christian Bruel <christian.bruel@st.com>
20454 * expr.c (expand_expr_real_1): Reset DECL_MODE if VECTOR_TYPE_P changed.
20456 2016-01-22 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
20459 * config/arm/thumb2.md (*thumb2_ior_scc_strict_it): Convert to
20460 define_insn_and_split. Ensure operands[1] and operands[0] do not
20461 get assigned the same register.
20463 2016-01-22 Kugan Vivekanandarajah <kuganv@linaro.org>
20465 * ipa-prop.c (ipa_set_jf_constant): Remove redundant unshare_expr.
20467 2016-01-22 Christian Bruel <christian.bruel@st.com>
20469 * config/arm/arm-c.c (arm_pragma_target_parse):
20470 Remove warn_builtin_macro_redefined overwrite.
20472 2016-01-22 Eric Botcazou <ebotcazou@adacore.com>
20474 * ipa-inline.c (can_inline_edge_p): Back out overzealous check on
20475 flag_non_call_exceptions compatibility.
20477 2016-01-22 Jakub Jelinek <jakub@redhat.com>
20480 * dwarf2out.c (add_child_die_after): New function.
20481 (dwarf_qual_info_t): New type.
20482 (dwarf_qual_info): New variable.
20483 (qualified_die_p): New function.
20484 (modified_type_die): For -fdebug-types-section, ensure
20485 canonical order of qualifiers. Put qualified DIEs adjacent
20486 to the corresponding non-qualified type DIE and search there
20487 for existing qualified DIEs.
20489 2016-01-22 Eric Botcazou <ebotcazou@adacore.com>
20491 * doc/extend.texi (scalar_storage_order type attribute): Document
20492 restriction on type punning and aliasing, and remove future tense.
20494 2016-01-21 Roman Zhuykov <zhroma@ispras.ru>
20497 * modulo-sched.c (optimize_sc): Allow branch-scheduling to add a new
20500 2016-01-21 Jeff Law <law@redhat.com>
20502 PR middle-end/69347
20503 * tree-ssa-dom.c (dom_opt_dom_walker::thread_across_edge): Avoid
20504 useless call to record_temporary_equivalences.
20505 * tree-ssa-threadbackward.c (find_jump_threads_backwards): Just
20506 allocate 10 slots in the bb_path vector and let it grow as needed.
20507 (fsm_find_control_statement_thread_paths): Similarly for the next_path
20510 2016-01-21 David Edelsohn <dje.gcc@gmail.com>
20512 * configure.ac (gcc_cv_as_powerpc_mfcrf, gcc_cv_as_machine_directive):
20514 * configure: Regenerate.
20516 2016-01-21 Pat Haugen <pthaugen@us.ibm.com>
20518 * config/rs6000/aix71.h (ASM_CPU_SPEC): Add entry for Power9.
20519 * config/rs6000/driver-rs6000.c (struct asm_names): Likewise.
20521 2016-01-21 Bernd Schmidt <bschmidt@redhat.com>
20523 PR middle-end/66178
20524 * expr.c (expand_expr_real_2) [PLUS_EXPR, MINUS_EXPR]: Don't
20525 drop EXPAND_INITIALIZER.
20526 * rtl.h (contains_symbolic_reference_p): Declare.
20527 * rtlanal.c (contains_symbolic_reference_p): New function.
20528 * simplify-rtx.c (simplify_binary_operation_1): Don't turn
20529 a subtraction into a NOT if symbolic constants are involved.
20531 2016-01-21 Anton Blanchard <anton@samba.org>
20532 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
20535 * config/rs6000/linux64.h (TARGET_KEEP_LEAF_WHEN_PROFILED): New
20537 * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled): New
20540 2016-01-21 Ajit Agarwal <ajitkum@xilinx.com>
20542 * config/microblaze/microblaze.c
20543 (get_branch_target): New.
20544 (insert_wic_for_ilb_runout): New.
20546 (microblaze_machine_dependent_reorg): New.
20547 (TARGET_MACHINE_DEPENDENT_REORG): Define macro.
20548 * config/microblaze/microblaze.md
20549 (UNSPEC_IPREFETCH): Define.
20550 (iprefetch): New pattern
20551 * config/microblaze/microblaze.opt
20552 (mxl-prefetch): New flag.
20554 2016-01-21 Ajit Agarwal <ajitkum@xilinx.com>
20556 * config/microblaze/microblaze.h
20557 (FIXED_REGISTERS): Update in macro.
20558 (CALL_USED_REGISTERS): Update in macro.
20560 2016-01-21 Yuri Rumyantsev <ysrumyan@gmail.com>
20562 PR rtl-optimization/68920
20563 * ifcvt.c (cond_move_process_if_block): Limit number of conditional
20566 2016-01-21 Vladimir Makarov <vmakarov@redhat.com>
20568 PR rtl-optimization/68990
20569 * lra-coalesce.c (lra_coalesce): Invalidate value for the result
20570 pseudo instead of inheritance ones.
20572 2016-01-21 Bernd Edlinger <bernd.edlinger@hotmail.de>
20573 Nick Clifton <nickc@redhat.com>
20577 * config/mips/mips.c (mips_compute_frame_info): Initialise
20578 args_size and hard_frame_pointer_offset fields of the frame
20579 structure before calling mips_global_pointer.
20581 2016-01-21 David Edelsohn <dje.gcc@gmail.com>
20583 * configure.ac (gcc_cv_as_dwloc): Test support for debug frame section
20585 * configure: Regenerate.
20587 2016-01-21 Richard Biener <rguenther@suse.de>
20589 * graphite-optimize-isl.c (get_schedule_map): Fix typo.
20591 2016-01-21 Marcin Kościelnicki <koriakin@0x04.net>
20593 * config/s390/s390.c (s390_asm_declare_function_size): Add code
20594 to actually emit the .size directive.
20596 2016-01-21 Stefan Sørensen <stefan.sorensen@spectralink.com>
20597 Jakub Jelinek <jakub@redhat.com>
20601 * config/arm/arm-builtins.c (arm_expand_neon_builtin): Increase
20602 args array size by one to avoid buffer overflow.
20604 2016-01-21 Marcin Kościelnicki <koriakin@0x04.net>
20606 * config/s390/s390.md (pool_section_start): Use switch_to_section
20607 to select proper read-only data section instead of hardcoding
20609 (pool_section_end): Use switch_to_section to match the above.
20611 2016-01-21 Richard Biener <rguenther@suse.de>
20613 PR tree-optimization/69378
20614 * tree-ssa-sccvn.c (dominated_by_p_w_unex): New function.
20615 (set_ssa_val_to): Use it for dominance checks taking into
20616 account not executable edges.
20618 2016-01-21 Jakub Jelinek <jakub@redhat.com>
20621 * tree-dfa.c (get_ref_base_and_extent): Use GET_MODE_BITSIZE (mode)
20622 for bitsize instead of GET_MODE_PRECISION (mode).
20624 2016-01-20 Martin Sebor <msebor@redhat.com>
20627 * extend.texi (__sync Builtins): Clarify the semantics of
20628 __sync_fetch_and_OP built-ins on pointers.
20629 (__atomic Builtins): Same.
20631 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
20632 Sebastian Pop <s.pop@samsung.com>
20634 * graphite-isl-ast-to-gimple.c (enum phi_node_kind): New.
20635 (class translate_isl_ast_to_gimple): Use phi_node_kind instead of bool.
20636 (is_valid_rename): Same.
20637 (translate_isl_ast_to_gimple::get_rename): Same.
20638 (translate_isl_ast_to_gimple::rename_all_uses): Same.
20639 (translate_isl_ast_to_gimple::rename_uses): Same.
20640 (get_new_name): Check for close_phi nodes.
20641 (copy_loop_phi_args): Use phi_node_kind.
20642 (translate_isl_ast_to_gimple::copy_loop_close_phi_args): Same.
20643 (translate_isl_ast_to_gimple::copy_cond_phi_args): Same.
20645 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
20646 Sebastian Pop <s.pop@samsung.com>
20648 Revert commit r229783.
20649 * graphite-isl-ast-to-gimple.c (gcc_expression_from_isl_ast_expr_id):
20650 Remove use of parameter_rename_map.
20651 (copy_def): Remove.
20652 (copy_internal_parameters): Remove.
20653 (graphite_regenerate_ast_isl): Remove call to copy_internal_parameters.
20654 * sese.c (new_sese_info): Do not initialize parameter_rename_map.
20655 (free_sese_info): Do not free parameter_rename_map.
20656 (set_rename): Do not use parameter_rename_map.
20657 (rename_uses): Update call to set_rename.
20658 (graphite_copy_stmts_from_block): Do not use parameter_rename_map.
20659 * sese.h (parameter_rename_map_t): Remove.
20660 (struct sese_info_t): Remove field parameter_rename_map.
20662 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
20663 Sebastian Pop <s.pop@samsung.com>
20665 * graphite-isl-ast-to-gimple.c: Fix comment.
20666 * graphite-scop-detection.c (defined_in_loop_p): New.
20667 (canonicalize_loop_closed_ssa): Do not add close phi nodes for SSA
20668 names defined in loop.
20670 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
20671 Sebastian Pop <s.pop@samsung.com>
20673 * graphite-scop-detection.c (scop_detection::harmful_loop_in_region):
20674 Discard unstructured if-then-else regions.
20676 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
20677 Sebastian Pop <s.pop@samsung.com>
20679 * graphite-sese-to-poly.c (set_scop_parameter_dim): Remove.
20680 (cleanup_loop_iter_dom): Remove.
20681 (build_loop_iteration_domains): Remove.
20682 (build_scop_context): Remove.
20683 (build_scop_iteration_domain): Remove.
20684 (add_loop_constraints): New.
20685 (build_iteration_domains): New.
20686 (build_poly_scop): Call build_iteration_domains.
20688 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
20689 Sebastian Pop <s.pop@samsung.com>
20691 * graphite-scop-detection.c
20692 (scop_detection::harmful_loop_in_region): Free dom and loops.
20693 (scop_detection::loop_body_is_valid_scop): Free bbs.
20695 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
20696 Sebastian Pop <s.pop@samsung.com>
20698 * graphite-scop-detection.c (record_loop_in_sese): New.
20699 (gather_bbs::before_dom_children): Call record_loop_in_sese.
20700 (build_scops): Remove call to build_sese_loop_nests.
20701 * sese.c (sese_record_loop): Remove.
20702 (build_sese_loop_nests): Remove.
20703 (new_sese_info): Remove region->loops.
20704 (free_sese_info): Same.
20705 * sese.h (sese_contains_loop): Same.
20706 (build_sese_loop_nests): Remove.
20707 (sese_contains_loop): Remove.
20709 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
20710 Sebastian Pop <s.pop@samsung.com>
20712 * graphite-scop-detection.c (loop_is_valid_scop): Renamed
20713 loop_is_valid_in_scop.
20714 (scop_detection::harmful_stmt_in_region): Renamed
20715 harmful_loop_in_region.
20716 Call loop_is_valid_in_scop.
20718 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
20719 Sebastian Pop <s.pop@samsung.com>
20721 * graphite-isl-ast-to-gimple.c (translate_isl_ast): Also handle
20724 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
20725 Sebastian Pop <s.pop@samsung.com>
20727 * graphite-poly.c (new_poly_bb): Remove use of PBB_IS_REDUCTION.
20728 * graphite.h (struct poly_bb): Remove field is_reduction.
20729 (PBB_IS_REDUCTION): Remove.
20731 2016-01-21 Aditya Kumar <aditya.k7@samsung.com>
20732 Sebastian Pop <s.pop@samsung.com>
20734 * graphite-dependences.c (constrain_domain): Add call to isl_*_coalesce.
20735 (add_pdr_constraints): Same.
20736 (scop_get_reads): Same.
20737 (scop_get_must_writes): Same.
20738 (scop_get_may_writes): Same.
20739 (scop_get_original_schedule): Same.
20740 (extend_schedule): Same.
20741 (apply_schedule_on_deps): Same.
20742 (carries_deps): Same.
20743 (compute_deps): Same.
20744 (scop_get_dependences): Same.
20745 * graphite-isl-ast-to-gimple.c
20746 (translate_isl_ast_to_gimple::generate_isl_schedule): Same.
20747 * graphite-optimize-isl.c (get_schedule_for_band): Same.
20748 (get_schedule_for_band_list): Same.
20749 (get_schedule_map): Same.
20750 (apply_schedule_map_to_scop): Same.
20751 * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
20752 (build_loop_iteration_domains): Same.
20753 (add_condition_to_pbb): Same.
20754 (add_param_constraints): Same.
20755 (pdr_add_memory_accesses): Same.
20756 (pdr_add_data_dimensions): Same.
20758 2016-01-20 Sandra Loosemore <sandra@codesourcery.com>
20760 * doc/invoke.texi (Instrumentation Options): Clarify -mmpx linking
20763 2016-01-20 Sandra Loosemore <sandra@codesourcery.com>
20765 * common.opt (feliminate-dwarf2-dups): Replace references to
20766 "DWARF 2" with just "DWARF".
20767 * config/ia64/ia64.opt (mdwarf2-asm): Likewise.
20768 * doc/extend.texi: Likewise.
20769 * doc/cpp.texi: Likewise.
20770 * doc/invoke.texi: Likewise.
20771 (Option Summary): Add -gdwarf to list of Debugging Options.
20772 (Debugging Options): Document -gdwarf.
20773 * doc/contrib.texi: Spell "DWARF" like that.
20775 2016-01-21 Jakub Jelinek <jakub@redhat.com>
20777 * omp-low.c (expand_omp_target): Avoid -Wmaybe-uninitialized
20778 warning. Fix up formatting.
20780 PR middle-end/67653
20781 * gimplify.c (gimplify_asm_expr): Warn if it is too late to
20782 attempt to mark memory input operand addressable and
20783 call prepare_gimple_addressable in that case. Don't adjust
20784 input_location for diagnostics, use error_at instead.
20786 2016-01-20 Peter Bergner <bergner@vnet.ibm.com>
20788 * config/rs6000/ppc-auxv.h: New file.
20789 * config/rs6000/rs6000-builtin.def (cpu_init): Add new builtin.
20790 (cpu_is): Likewise.
20791 (cpu_supports): Likewise.
20792 * config/rs6000/rs6000.c: include "ppc-auxv.h".
20793 (cpu_is_info): New variable.
20794 (cpu_supports_info): Likewise.
20795 (tcb_verification_symbol): Likewise.
20796 (cpu_builtin_p): Likewise.
20797 (cpu_expand_builtin): New function.
20798 (rs6000_expand_ternop_builtin): Add support for CPU builtin functions.
20799 (rs6000_init_builtins): Likewise.
20800 (rs6000_elf_file_end): Emit HWCAP in TCB verification symbol.
20801 * config/rs6000/rs6000.h (TLS_REGNUM): New define.
20802 * configure.ac (gcc_cv_libc_provides_hwcap_in_tcb): New test.
20803 * configure: Regenerate.
20804 * config.in: Likewise.
20805 * doc/extend.texi (PowerPC Built-in Functions): Document
20806 __builtin_cpu_init, __builtin_cpu_is and __builtin_cpu_supports.
20808 2016-01-20 David Edelsohn <dje.gcc@gmail.com>
20811 * config/rs6000/rs6000.c (rs6000_emit_swsqrt): Add vector sqrt
20813 * config/rs6000/vector.md (sqrt<mode>2): Call rs6000_emit_swsqrt
20816 2016-01-20 Richard Henderson <rth@redhat.com>
20822 * tree.c (tm_define_builtin): New.
20823 (find_tm_vector_type): New.
20824 (build_tm_vector_builtins): New.
20825 (build_common_builtin_nodes): Call it.
20827 2016-01-20 Christophe Lyon <christophe.lyon@linaro.org>
20829 * doc/sourcebuild.texi (arm_crypto_pragma_ok): Document new entry.
20830 (arm_fp_ok): Likewise.
20831 (arm_fp): Likewise.
20832 (arm_crypto): Likewise.
20834 2016-01-20 Ilya Enkovich <enkovich.gnu@gmail.com>
20835 Richard Biener <rguenther@suse.de>
20837 PR tree-optimization/69328
20838 * tree-vect-stmts.c (vect_is_simple_cond): Check compared
20839 vectors have same number of elements.
20840 (vectorizable_condition): Fix masked version recognition.
20842 2016-01-20 Richard Biener <rguenther@suse.de>
20844 PR tree-optimization/69345
20845 * tree-ssa-sccvn.h (VN_INFO_RANGE_INFO): New inline function.
20846 (VN_INFO_PTR_INFO): Likewise.
20847 * tree-ssa-sccvn.c (set_ssa_val_to): Avoid clearing points-to
20848 info when it is equal between non-dominating SSA names.
20849 * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
20850 Make sure to look at original SSA infos.
20852 2016-01-20 Jeff Law <law@redhat.com>
20855 * config/m68k/predicates.md (pow2_m1_operand): New predicate
20857 (reg_or_pow2_m1_operand): Call pow2_m1_operand.
20858 (pc_or_label_operand): New predicate.
20859 * config/m68k/m68k.md: Add new peephole2 patterns for GTU/LEU
20860 tests for small integers that are 2^n - 1.
20862 2016-01-20 Jonathan Wakely <jwakely@redhat.com>
20864 * doc/invoke.texi (Options Summary): Add '.' after @xref.
20866 2016-01-19 Jeff Law <law@redhat.com>
20868 PR middle-end/69347
20869 * tree-ssa-threadbackwards.c
20870 (fsm_find_control_statement_thread_paths): Do not try to lookup
20871 FSM paths for SSA_NAMEs appearing in abnormal PHIs.
20873 2016-01-20 Kugan Vivekanandarajah <kuganv@linaro.org>
20875 * doc/lto.texi: Remove text that says only Gold has linker plugin
20878 2016-01-19 Eric Botcazou <ebotcazou@adacore.com>
20880 * dwarf2out.c (need_endianity_attribute_p): New inline predicate.
20881 (base_type_die): Add REVERSE parameter and attach DW_AT_endianity to
20882 the DIE accordingly.
20883 (modified_type_die): Add REVERSE parameter and pass it recursively,
20884 as well as to base_type_die. Adjust presence check accordingly.
20885 (base_type_for_mode): Adjust call to modified_type_die.
20886 (add_type_attribute): Add REVERSE parameter and pass it to
20888 (generic_parameter_die): Adjust call to add_type_attribute.
20889 (add_scalar_info): Likewise.
20890 (add_subscript_info): Likewise.
20891 (gen_array_type_die): Likewise.
20892 (gen_descr_array_type_die): Likewise.
20893 (gen_entry_point_die): Likewise.
20894 (gen_enumeration_type_die): Likewise.
20895 (gen_formal_parameter_die): Likewise.
20896 (gen_subprogram_die): Likewise.
20897 (gen_variable_die ): Likewise.
20898 (gen_const_die): Likewise.
20899 (gen_field_die): Likewise.
20900 (gen_pointer_type_die): Likewise.
20901 (gen_reference_type_die): Likewise.
20902 (gen_ptr_to_mbr_type_die): Likewise.
20903 (gen_inheritance_die): Likewise.
20904 (gen_subroutine_type_die): Likewise.
20905 (gen_typedef_die): Likewise.
20906 (force_type_die): Adjust call to modified_type_die.
20908 2016-01-19 Sandra Loosemore <sandra@codesourcery.com>
20910 * doc/standards.texi: Copy-editing for grammar, markup, and sentence
20911 flow throughout the file. Fix broken link to Objective-C 2.0
20913 * doc/invoke.texi: More copy-editing; fix numerous typos and spelling
20916 2016-01-19 Wilco Dijkstra <wdijkstr@arm.com>
20918 * ccmp.c (expand_ccmp_expr_1): Avoid spurious unused warnings.
20920 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
20923 * ipa-devirt.c (is_cxa_pure_virtual_p): New function.
20924 (maybe_record_node): Record cxa_pure_virtual as the only possible
20925 target if there are not ohter candidates.
20926 (possible_polymorphic_call_target_p): Accept cxa_pure_virtual.
20928 2016-01-19 Richard Biener <rguenther@suse.de>
20930 * hsa-gen.c (get_memory_order_name): Use MEMMODEL_ constants.
20931 (get_memory_order): Likewise.
20933 2016-01-19 Kirill Yukhin <kirill.yukhin@intel.com>
20935 * tree-vect-stmts.c (vectorizable_store): Check
20938 2016-01-19 David Malcolm <dmalcolm@redhat.com>
20941 * gcc.c (driver::decode_argv): Add call to
20942 init_opts_obstack before init_options_struct.
20943 * opts.c (init_opts_obstack): Remove idempotency.
20944 (init_options_struct): Replace call to init_opts_obstack
20945 with a gcc_assert to verify that it has already been called.
20946 * toplev.c (toplev::main): Add call to init_opts_obstack before
20947 calls to init_options_struct.
20948 (toplev::finalize): Move cleanup of opts_obstack next to
20949 cleanup of save_decoded_options, clearing the latter, and
20950 save_decoded_options_count.
20952 2016-01-19 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
20955 * config/arm/vfp.md (l<vrint_pattern><su_optab><mode>si2): Set "conds"
20956 attribute to unconditional. Remove %? from output template.
20958 2015-01-19 Wilco Dijkstra <wdijkstr@arm.com>
20959 Jiong Wang <jiong.wang@arm.com>
20961 * ccmp.c (expand_ccmp_expr_1): Cost the instruction sequences
20962 generated from different expand order.
20964 2015-01-19 Wilco Dijkstra <wdijkstr@arm.com>
20966 * /config/aarch64/aarch64.c (aarch64_if_then_else_costs):
20967 Add support for CCMP costing.
20969 2015-01-19 Wilco Dijkstra <wdijkstr@arm.com>
20971 * ccmp.c (ccmp_candidate_p): Remove integer-only restriction.
20972 * config/aarch64/aarch64.md (fccmp<mode>): New pattern.
20973 (fccmpe<mode>): Likewise.
20974 (fcmp): Rename to fcmp and globalize pattern.
20976 * config/aarch64/aarch64.c (aarch64_gen_ccmp_first): Add FP support.
20977 (aarch64_gen_ccmp_next): Add FP support.
20979 2015-01-19 Wilco Dijkstra <wdijkstr@arm.com>
20981 * target.def (gen_ccmp_first): Update documentation.
20982 (gen_ccmp_next): Likewise.
20983 * doc/tm.texi (gen_ccmp_first): Update documentation.
20984 (gen_ccmp_next): Likewise.
20985 * ccmp.c (expand_ccmp_expr): Extract cmp_code from return value of
20986 expand_ccmp_expr_1. Improve comments.
20987 * config/aarch64/aarch64.md (ccmp_and): Use if_then_else for ccmp.
20988 (ccmp_ior<mode>): Remove pattern.
20989 (cmp<mode>): Remove expand.
20990 (cmp): Globalize pattern.
20991 (cstorecc4): Use cc_register.
20992 (mov<mode>cc): Remove ccmp_cc_register check.
20993 * config/aarch64/aarch64.c (aarch64_get_condition_code_1):
20994 Simplify after removal of CC_DNE/* modes.
20995 (aarch64_ccmp_mode_to_code): Remove.
20996 (aarch64_print_operand): Remove 'K' case. Merge 'm' and 'M' cases.
20997 In 'k' case use integer as condition.
20998 (aarch64_nzcv_codes): Remove inverted cases.
20999 (aarch64_code_to_ccmode): Remove.
21000 (aarch64_gen_ccmp_first): Use cmp pattern directly. Return the correct
21001 comparison with CC register to be used in folowing CCMP/branch/CSEL.
21002 (aarch64_gen_ccmp_next): Use previous comparison and mode in CCMP
21003 pattern. Return the comparison with CC register. Invert conditions
21004 when bitcode is OR.
21005 * config/aarch64/aarch64-modes.def: Remove CC_DNE/* modes.
21006 * config/aarch64/predicates.md (ccmp_cc_register): Remove.
21008 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
21010 * cgraphunit.c (cgraph_node::reset): Clear thunk info and
21011 instrumented_version.
21013 2016-01-19 Richard Biener <rguenther@suse.de>
21015 PR tree-optimization/69336
21016 * tree-ssa-scopedtables.c (avail_expr_hash): Handle all
21017 handled components with get_ref_base_and_extent.
21018 (equal_mem_array_ref_p): Adjust.
21020 2016-01-19 Jakub Jelinek <jakub@redhat.com>
21023 * shrink-wrap.c: Include valtrack.h.
21024 (move_insn_for_shrink_wrap): Add DEBUG argument. If
21025 MAY_HAVE_DEBUG_INSNS, call dead_debug_add on DEBUG_INSNs
21026 in between insn and where it will be moved to. Call
21027 dead_debug_insert_temp.
21028 (prepare_shrink_wrap): Adjust caller. Call dead_debug_local_init
21029 first and dead_debug_local_finish at the end.
21030 For uses and defs bitmap, handle all regs in between REGNO and
21031 END_REGNO, not just the first one.
21033 2016-01-19 Richard Biener <rguenther@suse.de>
21035 PR tree-optimization/69352
21036 * tree-ssa-scopedtables.c (avail_expr_hash): Check for size == -1.
21037 (equal_mem_array_ref_p): Constrain size and max size properly.
21038 Compare the reverse flag.
21040 2016-01-19 Bernd Schmidt <bschmidt@redhat.com>
21042 * ira.c (ira): Update regstat data if we deleted insns.
21044 2016-01-19 Jakub Jelinek <jakub@redhat.com>
21046 PR rtl-optimization/68955
21047 PR rtl-optimization/64557
21048 * dse.c (record_store, check_mem_read_rtx): Don't call get_addr
21049 here. Fix up formatting.
21050 * alias.c (get_addr): Handle VALUE +/- CONST_SCALAR_INT_P.
21052 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
21055 * cgraphunit.c (cgraph_node::expand_thunk): When forcing gimple
21056 assume that the node has body.
21057 * cgraph.c (cgraph_node::get_untransformed_body): Use gimple_body_p
21060 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
21062 * lto-streamer-out.c (lto_output): Do not stream instrumentation
21065 2016-01-19 Jan Hubicka <hubicka@ucw.cz>
21067 * symtab.c (symtab_node::asm_name): Do not call printable name directly.
21068 (symtab_node::name): Report name as unnamed if DECL_NAME is not set.
21070 2016-01-19 Martin Jambor <mjambor@suse.cz>
21071 Martin Liska <mliska@suse.cz>
21072 Michael Matz <matz@suse.de>
21074 * Makefile.in (OBJS): Add new source files.
21075 (GTFILES): Add hsa.c.
21076 * common.opt (disable_hsa): New variable.
21077 (-Whsa): New warning.
21078 * config.in (ENABLE_HSA): New.
21079 * configure.ac: Treat hsa differently from other accelerators.
21080 (OFFLOAD_TARGETS): Define ENABLE_OFFLOADING according to
21081 $enable_offloading.
21082 (ENABLE_HSA): Define ENABLE_HSA according to $enable_hsa.
21083 * doc/install.texi (Configuration): Document --with-hsa-runtime,
21084 --with-hsa-runtime-include, --with-hsa-runtime-lib and
21085 --with-hsa-kmt-lib.
21086 * doc/invoke.texi (-Whsa): Document.
21087 (hsa-gen-debug-stores): Likewise.
21088 * lto-wrapper.c (compile_images_for_offload_targets): Do not attempt
21089 to invoke offload compiler for hsa acclerator.
21090 * opts.c (common_handle_option): Determine whether HSA offloading
21091 should be performed.
21092 * params.def (PARAM_HSA_GEN_DEBUG_STORES): New parameter.
21093 * builtin-types.def (BT_FN_VOID_UINT_PTR_INT_PTR): New.
21094 (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_INT_INT): Removed.
21095 (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_PTR): New.
21096 * gimple-low.c (lower_stmt): Also handle GIMPLE_OMP_GRID_BODY.
21097 * gimple-pretty-print.c (dump_gimple_omp_for): Also handle
21098 GF_OMP_FOR_KIND_GRID_LOOP.
21099 (dump_gimple_omp_block): Also handle GIMPLE_OMP_GRID_BODY.
21100 (pp_gimple_stmt_1): Likewise.
21101 * gimple-walk.c (walk_gimple_stmt): Likewise.
21102 * gimple.c (gimple_build_omp_grid_body): New function.
21103 (gimple_copy): Also handle GIMPLE_OMP_GRID_BODY.
21104 * gimple.def (GIMPLE_OMP_GRID_BODY): New.
21105 * gimple.h (enum gf_mask): Added GF_OMP_PARALLEL_GRID_PHONY,
21106 GF_OMP_FOR_KIND_GRID_LOOP, GF_OMP_FOR_GRID_PHONY and
21107 GF_OMP_TEAMS_GRID_PHONY.
21108 (gimple_statement_omp_single_layout): Updated comments.
21109 (gimple_build_omp_grid_body): New function.
21110 (gimple_has_substatements): Also handle GIMPLE_OMP_GRID_BODY.
21111 (gimple_omp_for_grid_phony): New function.
21112 (gimple_omp_for_set_grid_phony): Likewise.
21113 (gimple_omp_parallel_grid_phony): Likewise.
21114 (gimple_omp_parallel_set_grid_phony): Likewise.
21115 (gimple_omp_teams_grid_phony): Likewise.
21116 (gimple_omp_teams_set_grid_phony): Likewise.
21117 (gimple_return_set_retbnd): Also handle GIMPLE_OMP_GRID_BODY.
21118 * omp-builtins.def (BUILT_IN_GOMP_OFFLOAD_REGISTER): New.
21119 (BUILT_IN_GOMP_OFFLOAD_UNREGISTER): Likewise.
21120 (BUILT_IN_GOMP_TARGET): Updated type.
21121 * omp-low.c: Include symbol-summary.h, hsa.h and params.h.
21122 (adjust_for_condition): New function.
21123 (get_omp_for_step_from_incr): Likewise.
21124 (extract_omp_for_data): Moved parts to adjust_for_condition and
21125 get_omp_for_step_from_incr.
21126 (build_outer_var_ref): Handle GIMPLE_OMP_GRID_BODY.
21127 (fixup_child_record_type): Bail out if receiver_decl is NULL.
21128 (scan_sharing_clauses): Handle OMP_CLAUSE__GRIDDIM_.
21129 (scan_omp_parallel): Do not create child functions for phony
21131 (check_omp_nesting_restrictions): Handle GIMPLE_OMP_GRID_BODY.
21132 (scan_omp_1_op): Checking assert we are not remapping to
21133 ERROR_MARK. Also also handle GIMPLE_OMP_GRID_BODY.
21134 (parallel_needs_hsa_kernel_p): New function.
21135 (expand_parallel_call): Register apprpriate parallel child
21136 functions as HSA kernels.
21137 (grid_launch_attributes_trees): New type.
21138 (grid_attr_trees): New variable.
21139 (grid_create_kernel_launch_attr_types): New function.
21140 (grid_insert_store_range_dim): Likewise.
21141 (grid_get_kernel_launch_attributes): Likewise.
21142 (get_target_argument_identifier_1): Likewise.
21143 (get_target_argument_identifier): Likewise.
21144 (get_target_argument_value): Likewise.
21145 (push_target_argument_according_to_value): Likewise.
21146 (get_target_arguments): Likewise.
21147 (expand_omp_target): Call get_target_arguments instead of looking
21148 up for teams and thread limit.
21149 (grid_expand_omp_for_loop): New function.
21150 (grid_arg_decl_map): New type.
21151 (grid_remap_kernel_arg_accesses): New function.
21152 (grid_expand_target_kernel_body): New function.
21153 (expand_omp): Call it.
21154 (lower_omp_for): Do not emit phony constructs.
21155 (lower_omp_taskreg): Do not emit phony constructs but create for them
21156 a temporary variable receiver_decl.
21157 (lower_omp_taskreg): Do not emit phony constructs.
21158 (lower_omp_teams): Likewise.
21159 (lower_omp_grid_body): New function.
21160 (lower_omp_1): Call it.
21161 (grid_reg_assignment_to_local_var_p): New function.
21162 (grid_seq_only_contains_local_assignments): Likewise.
21163 (grid_find_single_omp_among_assignments_1): Likewise.
21164 (grid_find_single_omp_among_assignments): Likewise.
21165 (grid_find_ungridifiable_statement): Likewise.
21166 (grid_target_follows_gridifiable_pattern): Likewise.
21167 (grid_remap_prebody_decls): Likewise.
21168 (grid_copy_leading_local_assignments): Likewise.
21169 (grid_process_kernel_body_copy): Likewise.
21170 (grid_attempt_target_gridification): Likewise.
21171 (grid_gridify_all_targets_stmt): Likewise.
21172 (grid_gridify_all_targets): Likewise.
21173 (execute_lower_omp): Call grid_gridify_all_targets.
21174 (make_gimple_omp_edges): Handle GIMPLE_OMP_GRID_BODY.
21175 * tree-core.h (omp_clause_code): Added OMP_CLAUSE__GRIDDIM_.
21176 (tree_omp_clause): Added union field dimension.
21177 * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE__GRIDDIM_.
21178 * tree.c (omp_clause_num_ops): Added number of arguments of
21179 OMP_CLAUSE__GRIDDIM_.
21180 (omp_clause_code_name): Added name of OMP_CLAUSE__GRIDDIM_.
21181 (walk_tree_1): Handle OMP_CLAUSE__GRIDDIM_.
21182 * tree.h (OMP_CLAUSE_GRIDDIM_DIMENSION): New.
21183 (OMP_CLAUSE_SET_GRIDDIM_DIMENSION): Likewise.
21184 (OMP_CLAUSE_GRIDDIM_SIZE): Likewise.
21185 (OMP_CLAUSE_GRIDDIM_GROUP): Likewise.
21186 * passes.def: Schedule pass_ipa_hsa and pass_gen_hsail.
21187 * tree-pass.h (make_pass_gen_hsail): Declare.
21188 (make_pass_ipa_hsa): Likewise.
21189 * ipa-hsa.c: New file.
21190 * lto-section-in.c (lto_section_name): Add hsa section name.
21191 * lto-streamer.h (lto_section_type): Add hsa section.
21192 * timevar.def (TV_IPA_HSA): New.
21193 * hsa-brig-format.h: New file.
21194 * hsa-brig.c: New file.
21195 * hsa-dump.c: Likewise.
21196 * hsa-gen.c: Likewise.
21199 * toplev.c (compile_file): Call hsa_output_brig.
21200 * hsa-regalloc.c: New file.
21202 2016-01-18 Jeff Law <law@redhat.com>
21204 PR tree-optimization/69320
21205 * tree-ssa-dom.c (record_edge_info): For comparisons against a boolean
21206 ranged object, do nothing if the RHS constant is not [0..1].
21207 (optimize_stmt): Comparing a boolean ranged object against a
21208 constant outside [0..1] results in a compile-time constant.
21210 * tree-ssanames.c (ssa_name_has_boolean_range): Remove unnecessary
21213 2016-01-18 Sandra Loosemore <sandra@codesourcery.com>
21215 * doc/invoke.texi (Invoking GCC): Add new section to menu.
21216 (Option Summary): Update to reflect new section and moved options.
21217 (C++ Dialect Options): Move -fstats to new section.
21218 (Debugging Options): Move all dump, statistics, and other GCC
21219 developer options to new section. Rewrite section introduction
21220 and re-order remaining options to put the more basic ones first.
21221 (Optimization Options): Move -fira-verbose and -flto-report* to
21223 (Developer Options): New section incorporating moved options.
21224 * doc/cppopts.texi (-dM): Update cross-reference.
21226 2016-01-18 Richard Henderson <rth@redhat.com>
21229 * config/aarch64/aarch64.md (add<GPI>3): Move long immediate
21230 operands to pseudo only if CSE is expected. Split long immediate
21231 operands only after reload, and for the stack pointer.
21232 (*add<GPI>3_pluslong): Remove.
21233 (*addsi3_aarch64, *adddi3_aarch64): Merge into...
21234 (*add<GPI>3_aarch64): ... here. Add r/rk/Upl alternative.
21235 (*addsi3_aarch64_uxtw): Add r/rk/Upl alternative.
21236 (*add<GPI>3 peepholes): New.
21237 (*add<GPI>3 splitters): New.
21238 * config/aarch64/constraints.md (Upl): New.
21239 * config/aarch64/predicates.md (aarch64_pluslong_strict_immedate): New.
21241 2016-01-18 Richard Biener <rguenther@suse.de>
21243 PR tree-optimization/69297
21244 * tree-vect-slp.c (vect_bb_slp_scalar_cost): Count each scalar
21246 (vect_bb_vectorization_profitable_p): Clear visited flag again.
21248 2016-01-18 Yuri Rumyantsev <ysrumyan@gmail.com>
21250 PR middle-end/68542
21251 * fold-const.c (fold_binary_op_with_conditional_arg): Bail out for case
21252 of mixind vector and scalar types.
21253 (fold_relational_const): Add handling of vector
21254 comparison with boolean result.
21255 * tree-cfg.c (verify_gimple_comparison): Add argument CODE, allow
21256 comparison of vector operands with boolean result for EQ/NE only.
21257 (verify_gimple_assign_binary): Adjust call for verify_gimple_comparison.
21258 (verify_gimple_cond): Likewise.
21259 * tree-vrp.c (extract_code_and_val_from_cond_with_ops): Modify check on
21262 2016-01-18 Joseph Myers <joseph@codesourcery.com>
21264 * config/mips/mips.h (ISA_HAS_PAIRED_SINGLE): Require
21267 2016-01-18 Richard Biener <rguenther@suse.de>
21269 PR middle-end/69308
21270 * gimple.c (gimple_could_trap_p_1): Handle GIMPLE_COND.
21272 2016-01-18 Tom de Vries <tom@codesourcery.com>
21274 * passes.def: Add pass_parallelize_loops to pass_oacc_kernels.
21276 2016-01-18 Tom de Vries <tom@codesourcery.com>
21278 * omp-low.c (set_oacc_fn_attrib): Make extern.
21279 * omp-low.h (set_oacc_fn_attrib): Declare.
21280 * tree-parloops.c (struct reduction_info): Add reduc_addr field.
21281 (create_call_for_reduction_1): Handle case that reduc_addr is non-NULL.
21282 (create_parallel_loop, gen_parallel_loop, try_create_reduction_list):
21283 Add and handle function parameter oacc_kernels_p.
21284 (find_reduc_addr, get_omp_data_i_param): New function.
21285 (ref_conflicts_with_region, oacc_entry_exit_ok_1)
21286 (oacc_entry_exit_single_gang, oacc_entry_exit_ok): New function.
21287 (parallelize_loops): Add and handle function parameter oacc_kernels_p.
21288 Calculate dominance info. Skip loops that are not in a kernels region
21289 in oacc_kernels_p mode. Skip inner loops of parallelized loops.
21290 (pass_parallelize_loops::execute): Call parallelize_loops with
21291 oacc_kernels_p argument.
21292 (pass_parallelize_loops::clone, pass_parallelize_loops::set_pass_param):
21293 New member function.
21294 (pass_parallelize_loops::bool oacc_kernels_p): New member var.
21295 * passes.def: Add argument to pass_parallelize_loops instantation.
21297 2016-01-18 Tom de Vries <tom@codesourcery.com>
21299 * tree-parloops.c (pass_parallelize_loops::execute): Allow
21300 pass_parallelize_loops to be run outside the loop pipeline.
21302 2016-01-18 Alan Lawrence <alan.lawrence@arm.com>
21304 * tree-scalar-evolution.c (follow_copies_to_constant): New.
21305 (analyze_initial_condition, analyze_scalar_evolution_1): Call previous.
21307 2016-01-18 Alan Lawrence <alan.lawrence@arm.com>
21310 * tree-ssa-scopedtables.c (avail_expr_hash): Hash MEM_REF and ARRAY_REF
21311 using get_ref_base_and_extent.
21312 (equal_mem_array_ref_p): New.
21313 (hashable_expr_equal_p): Add call to previous.
21315 2016-01-18 Alan Lawrence <alan.lawrence@arm.com>
21318 * tree-sra.c (disqualified_constants, constant_decl_p): New.
21319 (sra_initialize): Allocate disqualified_constants.
21320 (sra_deinitialize): Free disqualified_constants.
21321 (disqualify_candidate): Update disqualified_constants when appropriate.
21322 (create_access): Scan for constant-pool entries as we go along.
21323 (scalarizable_type_p): Add check against type_contains_placeholder_p.
21324 (maybe_add_sra_candidate): Allow constant-pool entries.
21325 (load_assign_lhs_subreplacements): Bind debug for constant pool vars.
21326 (initialize_constant_pool_replacements): New.
21327 (sra_modify_assign): Avoid mangling assignments created by previous,
21328 and don't generate writes into constant pool.
21329 (sra_modify_function_body): Call initialize_constant_pool_replacements.
21331 2016-01-18 Ilya Enkovich <enkovich.gnu@gmail.com>
21333 * config/i386/i386.c (scalar_to_vector_candidate_p): Support
21334 andnot instruction.
21335 (scalar_chain::convert_op): Likewise.
21336 * config/i386/i386.md (*andndi3_doubleword): New.
21338 2016-01-18 Richard Biener <rguenther@suse.de>
21340 PR tree-optimization/69170
21341 * tree-vect-slp.c (vect_build_slp_tree): Verify we are not
21342 building a vector from scalar results of a pattern stmt.
21344 2016-01-18 Jakub Jelinek <jakub@redhat.com>
21346 * haifa-sched.c (autopref_multipass_init): Work around
21347 -Wmaybe-uninitialized warning.
21349 2016-01-18 Thomas Preud'homme <thomas.preudhomme@arm.com>
21351 * config/arm/arm.c (thumb1_reorg): Check that the comparison is
21352 against the constant 0.
21354 2016-01-17 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
21356 PR tree-optimization/68799
21357 * gimple-ssa-strength-reduction.c (create_phi_basis): Directly
21358 look up phi candidates in the statement-candidate map.
21359 (phi_add_costs): Likewise.
21360 (record_phi_increments): Likewise.
21361 (phi_incr_cost): Likewise.
21362 (ncd_with_phi): Likewise.
21363 (all_phi_incrs_profitable): Likewise.
21365 2016-01-17 Jakub Jelinek <jakub@redhat.com>
21367 * omp-low.c (mark_loops_in_oacc_kernels_region): Work around
21368 -Wmaybe-uninitialized warning.
21370 2016-01-16 Sandra Loosemore <sandra@codesourcery.com>
21372 * doc/invoke.texi (Invoking GCC): Add new section to menu.
21373 (Option Summary): Update to reflect new section and moved options.
21374 (C++ Dialect Options): Move -fvtable-verify and related options.
21375 (Debugging Options): Move Sanitizer, Pointer Bounds Checker,
21376 and profiling-related options.
21377 (Optimization Options): Move profile generation options and
21378 -fstack-protector and related options.
21379 (Instrumentation Options): New section incorporating moved options.
21380 (Code Generation Options): Move -finstrument-functions and
21381 related options, -fstack-check, -fstack-limit*, and -fbounds-check.
21383 2016-01-16 Tom de Vries <tom@codesourcery.com>
21385 * passes.def: Move pass_expand_omp_ssa out of pass_parallelize_loops.
21387 2016-01-16 Tom de Vries <tom@codesourcery.com>
21389 * omp-low.c (expand_omp_atomic_fetch_op): Release defs of update stmt.
21391 2016-01-16 Richard Sandiford <richard.sandiford@arm.com>
21393 * hash-table.h (hash_table::empty): Turn into an inline wrapper
21394 that checks whether the table is already empty. Rename the
21395 original implementation to...
21396 (hash_table::empty_slot): ...this new private function.
21398 2016-01-15 David Malcolm <dmalcolm@redhat.com>
21400 PR diagnostic/68899
21401 * diagnostic-show-locus.c (layout::print_source_line): Move x
21402 offset of line until after call to
21403 get_line_width_without_trailing_whitespace.
21405 2016-01-15 Jeff Law <law@redhat.com>
21407 PR tree-optimization/69270
21408 * tree-ssanames.c (ssa_name_has_boolean_range): Moved here from
21409 tree-ssa-dom.c. Improve test for [0..1] ranve from VRP.
21410 * tree-ssa-dom.c (ssa_name_has_boolean_range): Remove.
21411 * tree-ssanames.h (ssa_name_has_boolean_range): Prototype.
21412 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
21413 ssa_name_has_boolean_range and constant_boolean_node.
21415 2016-01-15 Vladimir Makarov <vmakarov@redhat.com>
21417 PR rtl-optimization/69030
21418 * lra-spills.c (remove_pseudos): Check nrefs and make the function
21420 (spill_pseudos): Delete debug insn for dead pseudo.
21421 (lra_spill): Initiate spill_hard_reg and slots memory separately.
21423 2016-01-15 Jiong Wang <jiong.wang@arm.com>
21425 * config/aarch64/aarch64-builtins.c (aarch64_types_unopus_qualifiers):
21427 (TYPES_UNOPUS): Likewise.
21428 * config/aarch64/aarch64-simd-builtins.def (lbtruncuv2sf): Correct
21429 builtin type, from UNOP to UNOPUS.
21430 (lbtruncuv4sf): Likewise.
21431 (lbtruncuv2df): Likewise.
21432 (lrounduv2sf): Likewise.
21433 (lrounduv4sf): Likewise.
21434 (lrounduv2df): Likewise.
21435 (lroundusf): Likewise.
21436 (lroundusf): Likewise.
21437 (lceiluv2sf): Likewise.
21438 (lceiluv4sf): Likewise.
21439 (lceiluv2df): Likewise.
21440 (lceilusf): Likewise.
21441 (lceiludf): Likewise.
21442 (lflooruv2sf): Likewise.
21443 (lflooruv4sf): Likewise.
21444 (lflooruv2df): Likewise.
21445 (lfloorusf): Likewise.
21446 (lfloorudf): Likewise.
21447 (lfrintnuv2sf): Likewise.
21448 (lfrintnuv4sf): Likewise.
21449 (lfrintnuv2df): Likewise.
21450 (lfrintnusf): Likewise.
21451 (lfrintnudf): Likewise.
21452 * config/aarch64/arm_neon.h (vcvt_u32_f32): Remove unncessary type
21454 (vcvtq_u32_f32): Likewise.
21455 (vcvtq_u64_f64): Likewise.
21456 (vcvta_u32_f32): Likewise.
21457 (vcvtaq_u32_f32): Likewise.
21458 (vcvtaq_u64_f64): Likewise.
21459 (vcvtm_u32_f32): Likewise.
21460 (vcvtmq_u32_f32): Likewise.
21461 (vcvtmq_u64_f64): Likewise.
21462 (vcvtn_u32_f32): Likwise.
21463 (vcvtnq_u32_f32): Likewise.
21464 (vcvtnq_u64_f64): Likewise.
21465 (vcvtp_u32_f32): Likewise.
21466 (vcvtpq_u32_f32): Likewise.
21467 (vcvtpq_u64_f64): Likewise.
21468 (vcvtmd_u64_f64): Likewise.
21469 (vcvtms_u32_f32): Likewise.
21470 (vcvtad_u64_f64): Likewise.
21471 (vcvtas_u32_f32): Likewise.
21472 (vcvtnd_u64_f64): Likewise.
21473 (vcvtns_u32_f32): Likewise.
21474 (vcvtpd_u64_f64): Likewise.
21475 (vcvtps_u32_f32): Likewise.
21477 2016-01-15 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
21479 * config/aarch64/aarch64.c (aarch64_if_then_else_costs): Handle
21480 CSEL of zero_extended registers.
21482 2016-01-15 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
21484 * config/aarch64/aarch64.c (aarch64_rtx_costs, COMPARE case):
21485 Handle COMPARE of ZERO_EXTRACT against zero form of TST-immediate.
21487 2016-01-15 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
21489 * config/aarch64/aarch64.c (aarch64_process_one_target_attr): Return
21490 false when argument string is not found in the attributes table
21493 2016-01-15 David Edelsohn <dje.gcc@gmail.com>
21496 * config/rs6000/rs6000.c (rs6000_emit_msub): Delete.
21497 (rs6000_emit_swsqrt): Convert to Goldschmidt's Algorithm
21498 * config/rs6000/rs6000.md (sqrt<mode>2): Limit swsqrt to high
21499 precision estimate.
21501 2016-01-15 Richard Biener <rguenther@suse.de>
21503 PR tree-optimization/66856
21504 * tree-vect-loop.c (vect_transform_loop): Free SLP instances here.
21505 * tree-vect-slp.c (vect_free_slp_tree): Decrement stmt reference count.
21506 (vect_create_new_slp_node): Increment stmt reference count.
21507 (vect_get_and_check_slp_defs): Make sure stmts are nor already in
21508 an SLP tree before swapping operands.
21509 (vect_build_slp_tree): Likewise.
21510 (destroy_bb_vec_info): Free stmt info after SLP instances.
21511 * tree-vect-stmts.c (new_stmt_vec_info): Initialize reference count.
21512 * tree-vectorizer.h (struct _stmt_vec_info): Add num_slp_uses field.
21513 (STMT_VINFO_NUM_SLP_USES): New macro.
21515 2016-01-15 Richard Biener <rguenther@suse.de>
21518 * dwarf2out.c (add_linkage_name_raw): New function split out from ...
21519 (add_linkage_name): ... here.
21520 (gen_typedef_die): Use add_linkage_name_raw instead of
21521 add_linkage_attr to delay DECL_ASSEMBLER_NAME computation
21524 2016-01-15 Cesar Philippidis <cesar@codesourcery.com>
21526 * gimplify.c (oacc_default_clause): Decode reference and pointer
21527 types for both kernels and parallel regions.
21529 2016-01-15 Richard Sandiford <richard.sandiford@arm.com>
21531 PR middle-end/69246
21532 * calls.c (emit_call_1): Force n_popped to zero for sibcalls.
21534 2016-01-15 Ilya Enkovich <enkovich.gnu@gmail.com>
21536 * config/i386/i386.c (scalar_chain::compute_convert_gain): Fix typo.
21537 (convert_scalars_to_vector): Likewise.
21539 2016-01-15 Jonathan Wakely <jwakely@redhat.com>
21541 * doc/extend.texi (Type Traits): Fix grammar.
21543 2016-01-15 Martin Jambor <mjambor@suse.cz>
21545 * tree-inline.c (remap_decl): Use existing dclarations if
21546 remapping a type and prevent_decl_creation_for_types.
21547 (replace_locals_stmt): Do an initial remapping of non-VLA typed
21548 decls first. Do real remapping with
21549 prevent_decl_creation_for_types set.
21550 * tree-inline.h (copy_body_data): New field
21551 prevent_decl_creation_for_types, moved remap_var_for_cilk to avoid
21554 2016-01-15 Dominik Vogt <vogt@linux.vnet.ibm.com>
21556 * config/s390/s390.opt (mmvcle): More verbose help text.
21558 2016-01-15 Dominik Vogt <vogt@linux.vnet.ibm.com>
21560 * config/s390/s390.opt: Add period to -mzvector option text.
21562 2016-01-15 Richard Biener <rguenther@suse.de>
21564 PR tree-optimization/68961
21565 * tree-vect-slp.c (vect_analyze_slp_cost_1): Consider cost
21566 of invariants in stores again.
21568 2016-01-15 Sebastian Huber <sebastian.huber@embedded-brains.de>
21570 * config/arm/t-rtems: Add cortex-m7/fpv5-d16 multilib.
21572 2016-01-15 Ilya Enkovich <enkovich.gnu@gmail.com>
21574 * config/i386/i386.c (ix86_expand_branch): Don't split
21575 DI mode xor instruction to SI mode.
21577 2016-01-15 Jan Hubicka <hubicka@ucw.cz>
21580 * ipa-icf.c (sem_function::merge): Virtual functions may become
21581 reachable even if they address is not taken and there are no
21584 2016-01-15 Jan Hubicka <hubicka@ucw.cz>
21586 * lto-streamer-out.c (subtract_estimated_size): New function.
21587 (get_symbol_initial_value): Use it.
21589 2016-01-15 Christian Bruel <christian.bruel@st.com>
21592 * config/arm/arm-builtins.c (ARM_BUILTIN_CRYPTO_BASE): New enum tag.
21593 (arm_init_neon_builtins_internal): Rename arm_init_neon_builtins,
21594 (arm_init_crypto_builtins_internal): Rename arm_init_crypto_builtins.
21595 use add_builtin_function_ext_scope instead of add_builtin_function.
21596 (neon_set_p, neon_crypto_set_p): Remove.
21597 (arm_init_builtins): Always call arm_init_neon_builtins and
21598 arm_init_crypto_builtins.
21599 (arm_expand_builtin): Check that builtins are allowed for the arch.
21600 * config/arm/arm-protos.h (arm_init_neon_builtins): Remove prototype.
21601 * config/arm/arm.c (arm_valid_target_attribute_tree): Remove
21602 arm_init_neon_builtins call.
21604 2016-01-15 Richard Biener <rguenther@suse.de>
21606 PR tree-optimization/69117
21607 * tree-ssa-sccvn.h (struct vn_ssa_aux): Add info member.
21608 * tree-ssa-sccvn.c (set_ssa_val_to): Save and adjust SSA name info
21609 of the leader conservatively.
21610 (free_scc_vn): Restore original SSA name infos.
21612 2016-01-14 Jeff Law <law@redhat.com>
21614 PR tree-optimization/69270
21615 * tree-ssa-dom.c (ssa_name_has_boolean_range): If the type has a
21616 single bit of precision, verify it's also unsigned.
21617 (record_edge_info): Use constant_boolean_node rather than fold_convert
21618 to convert boolean_true/boolean_false to the right type.
21620 2016-01-14 Richard Henderson <rth@redhat.com>
21623 * loop-doloop.c (record_reg_sets): New.
21624 (doloop_optimize): Reject the transform if the sequence
21625 clobbers registers live at the end of the loop block.
21626 (doloop_optimize_loops): Enable df_live if needed.
21628 2016-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
21630 * config/rs6000/rs6000-builtin.def: Revert 2016-01-13 change.
21631 * config/rs6000/rs6000.c: Likewise.
21632 * config/rs6000/rs6000.h: Likewise.
21633 * config/rs6000/rs6000.md: Likewise.
21634 * doc/extend.texi: Likewsie.
21636 2016-01-14 Jeff Law <law@redhat.com>
21638 * tree-ssa-dom.c (ssa_name_has_boolean_range): Fix comment
21641 2016-01-14 Richard Henderson <rth@redhat.com>
21645 * trans-mem.c (tm_log_emit_stmt): Fix unit size to bit size.
21646 * tree.c (build_tm_vector_builtins): Use builtin_decl_explicit_p
21647 instead of builtin_decl_declared_p to test for declaration.
21649 2016-01-14 Nicklas Bo Jensen <nbjensen@gmail.com>
21651 * doc/loop.texi (Loop Analysis and Representation): Document
21652 loop_depth function.
21654 2016-01-14 Tom de Vries <tom@codesourcery.com>
21656 PR tree-optimization/68773
21657 * omp-low.c (expand_omp_target): Don't set force_output.
21658 * varpool.c (varpool_node::get_create): Same.
21659 * lto-cgraph.c (input_offload_tables): Mark entries in offload_vars and
21660 offload_funcs with force_output.
21662 2016-01-14 Jakub Jelinek <jakub@redhat.com>
21665 * lra-eliminations.c (move_plus_up): Don't change anything if either
21666 the outer or inner subreg mode is not MODE_INT.
21667 * dwarf2out.c (mem_loc_descriptor): For SUBREG, if outer mode is
21668 integral <= DWARF2_ADDR_SIZE, convert to untyped afterwards.
21670 2016-01-14 Alan Lawrence <alan.lawrence@arm.com>
21672 * doc/md.texi (reduc_smin_@var{m}, reduc_smax_@var{m},
21673 reduc_umin_@var{m}, reduc_umax_@var{m}, reduc_splus_@var{m},
21674 reduc_uplus_@var{m}): Remove.
21675 * expr.c (expand_expr_real_2): Remove expansion path for
21676 reduc_[us](min|max|plus) optabs.
21677 * optabs-tree.c (scalar_reduc_to_vector): Remove.
21678 * optabs-tree.h (scalar_reduc_to_vector): Remove.
21679 * optabs.def (reduc_smax_optab, reduc_smin_optab, reduc_splus_optab,
21680 reduc_umax_optab, reduc_umin_optab, reduc_uplus_optab): Remove.
21681 * tree-vect-loop.c (vectorizable_reduction): Remove test for
21682 reduc_[us](min|max|plus) optabs.
21684 2016-01-14 Alan Lawrence <alan.lawrence@arm.com>
21686 * config/mips/mips-ps-3d.md (reduc_splus_v2sf): Remove.
21687 (reduc_plus_scal_v2sf): New.
21688 (reduc_smax_v2sf): Rename to...
21689 (reduc_smax_scal_v2sf): ...here, make result SFmode, add vec_extract.
21690 (reduc_smin_v2sf): Rename to...
21691 (reduc_smin_scal_v2sf): ...here, make result SFmode, add vec_extract.
21693 2016-01-14 Jan Hubicka <hubicka@ucw.cz>
21695 * alias.c (compare_base_symbol_refs): New function.
21696 (rtx_equal_for_memref_p, base_alias_check, memrefs_conflict_p): Use
21699 2016-01-14 Jakub Jelinek <jakub@redhat.com>
21701 PR middle-end/68146
21702 PR tree-optimization/69155
21703 * tree-complex.c: Include cfganal.h.
21704 (phis_to_revisit): New variable.
21705 (extract_component): Add phiarg_p argument. Assert that returned
21706 SSA_NAME has non-NULL SSA_NAME_DEF_STMT unless phiarg_p is true.
21707 (update_phi_components): Partly rewrite to use loop over real/imag
21708 components instead of code duplication. If extract_component returns
21709 SSA_NAME with NULL SSA_NAME_DEF_STMT, store SSA_NAME_VAR or
21710 create_tmp_reg into the PHI node instead, and mention the phi triplet
21711 in phis_to_revisit.
21712 (tree_lower_complex): Walk bbs in rpo order. Adjust phis recorded
21713 in phis_to_revisit at the end.
21715 2016-01-14 Richard Biener <rguenther@suse.de>
21717 PR tree-optimization/68060
21718 * tree-vect-loop.c (vect_is_simple_reduction): Check the
21719 outer loop reduction is only used in the inner loop before
21720 detecting a double reduction.
21722 2016-01-14 Jakub Jelinek <jakub@redhat.com>
21725 * combine.c (expand_field_assignment): Punt if compute_mode is
21726 unsupported scalar mode.
21728 2016-01-14 Richard Biener <rguenther@suse.de>
21730 PR tree-optimization/66856
21731 * tree-vect-slp.c (vect_build_slp_tree): Refactor to build
21732 SLP node only if it built successfully.
21733 (vect_analyze_slp_instance): Adjust.
21735 2016-01-14 Jeff Law <law@redhat.com>
21737 PR tree-optimization/69270
21738 * tree-ssa-dom.c (ssa_name_has_boolean_range): New function.
21739 (record_edge_info): Use it. Convert boolean_{true,false}_node
21740 to the type of op0.
21742 2016-01-13 Jan Hubicka <hubicka@ucw.cz>
21745 * ipa-polymorphic-call.c (inlined_polymorphic_ctor_dtor_block_p):
21746 use block_ultimate_origin
21747 (noncall-stmt_may_be_vtbl_ptr_store): Likewise.
21749 2016-01-13 Sandra Loosemore <sandra@codesourcery.com>
21751 * doc/invoke.texi (Submodel Options): Rename section to
21752 "Machine-Dependent Options" to better reflect its content.
21753 Rewrite introductory text to remove archaic CPU names.
21756 2016-01-13 Sandra Loosemore <sandra@codesourcery.com>
21758 * doc/invoke.texi (Code Gen Options): Move section up in file,
21759 before target-specific options. Update menu and option summary
21760 to reflect the new section ordering.
21762 2016-01-13 Jonathan Wakely <jwakely@redhat.com>
21764 * doc/invoke.texi (C Dialect Options): Adjust -std default for C++.
21765 (C++ Dialect Options): Add cross-reference to -std option.
21766 * doc/standards.texi (C++ Language): Document C++14 support.
21768 2016-01-13 Michael Meissner <meissner@linux.vnet.ibm.com>
21770 * config/rs6000/rs6000-builtin.def (BU_FLOAT128_2): Add support
21771 for pack/unpack functions for __ibm128.
21772 (PACK_IF): Likewise.
21773 (UNPACK_IF): Likewise.
21775 * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Add
21776 support for __ibm128 pack/unpack functions.
21777 (rs6000_invalid_builtin): Likewise.
21778 (rs6000_init_builtins): Likewise.
21779 (rs6000_opt_masks): Likewise.
21781 * config/rs6000/rs6000.h (MASK_FLOAT128): Add short name.
21782 (RS6000_BTM_FLOAT128): Add support for __ibm128 pack/unpack
21784 (RS6000_BTM_COMMON): Likewise.
21786 * config/rs6000/rs6000.md (f128_vsx): New mode attribute.
21787 (unpack<mode>): Use FMOVE128_FPR iterator instead of FMOVE128, to
21788 disallow __builtin_{pack,unpack}_longdouble if long double is IEEE
21789 128-bit floating point. Add support for the double values to be
21790 in Altivec registers for TF/IF packing and unpacking, but restrict
21791 TD packing sub-fields to be FPR registers. Don't allow overlapped
21792 register support for packing. Allow pack inputs to be memory
21793 locations. Don't build generator functions for unpack<mode>_dm
21794 and unpack<mode>_nodm.
21795 (unpack<mode>_dm): Likewise.
21796 (unpack<mode>_nodm): Likewise.
21797 (pack<mode>): Likewise.
21799 * config/rs6000/rs6000-builtin.def (__builtin_pack_ibm128): Add
21800 built-in functions to pack/unpack explicit __ibm128 values.
21801 (__builtin_unpack_ibm128): Likewise.
21803 * doc/extend.texi (PowerPC Built-in Functions): Document
21804 __builtin_pack_ibm128 and __builtin_unpack_ibm128.
21806 2016-01-13 Bernd Schmidt <bschmidt@redhat.com>
21809 * c-common.c (check_function_nonnull): Remove unnecessary declaration.
21810 Add new arg loc and pass it down as context.
21811 (check_nonnull_arg): Don't mark ctx arg as unused. Use it as a pointer
21812 to the location to use for the warning.
21813 (check_function_arguments): New arg loc. All callers changed. Pass
21814 it to check_function_nonnull.
21815 * c-common.h (check_function_arguments): Adjust declaration.
21817 2016-01-13 Jakub Jelinek <jakub@redhat.com>
21819 PR tree-optimization/69156
21820 * gimple.c (validate_type): Removed.
21821 (gimple_builtin_call_types_compatible_p): Use
21822 useless_type_conversion_p instead of validate_type.
21823 * value-prof.c (gimple_stringop_fixed_value): Fold
21824 icall_size to correct type.
21826 2016-01-13 Jonathan Wakely <jwakely@redhat.com>
21828 * doc/extend.texi (__atomic Builtins): Clarify compare_exchange
21831 2016-01-13 Richard Henderson <rth@redhat.com>
21834 * target.def (builtin_tm_load, builtin_tm_store): Remove.
21835 * config/i386/i386.c (ix86_builtin_tm_load): Remove.
21836 (ix86_builtin_tm_store): Remove.
21837 (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
21838 (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
21839 * doc/tm.texi.in (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
21840 (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
21841 * doc/tm.texi: Rebuild.
21843 * gtm-builtins.def (BUILT_IN_TM_MEMCPY_RNWT): New.
21844 (BUILT_IN_TM_MEMCPY_RTWN): New.
21845 * trans-mem.c (tm_log_emit_stmt): Rearrange code for better
21846 fallback from vector to integer helpers.
21847 (build_tm_load): Handle vector types directly, instead of
21849 (build_tm_store): Likewise.
21850 (expand_assign_tm): Prepare for register types not handled by
21851 the above. Copy them to memory and use memcpy.
21852 * tree.c (tm_define_builtin): New.
21853 (find_tm_vector_type): New.
21854 (build_tm_vector_builtins): New.
21855 (build_common_builtin_nodes): Call it.
21857 2016-01-13 Uros Bizjak <ubizjak@gmail.com>
21859 * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Return -1 for
21860 TARGET_SSE_MATH without TARGET_SSE2. Rewrite.
21862 2016-01-13 Tom de Vries <tom@codesourcery.com>
21864 PR tree-optimization/69169
21865 * tree-ssa-structalias.c (create_variable_info_for_1): Add and handle
21866 handled_struct_type param.
21867 (create_variable_info_for, intra_create_variable_infos): Call
21868 create_variable_info_for_1 with extra arg.
21870 2016-01-13 Yvan Roux <yvan.roux@linaro.org>
21872 * config/arm/arm-arches.def: Remove spurious whitespace in "armv8.1-a"
21873 and "armv8.1-a+crc" entries.
21875 2016-01-13 Alexander Fomin <alexander.fomin@intel.com>
21878 * config/i386/sse.md (define_expand "avx512pf_gatherpf<mode>sf"):
21879 Change first operand predicate from register_or_constm1_operand
21880 to register_operand.
21881 (define_expand "avx512pf_gatherpf<mode>df"): Likewise.
21882 (define_expand "avx512pf_scatterpf<mode>sf"): Likewise.
21883 (define_expand "avx512pf_scatterpf<mode>df"): Likewise.
21884 (define_insn "*avx512pf_gatherpf<mode>sf"): Remove.
21885 (define_insn "*avx512pf_gatherpf<mode>df"): Likewise.
21886 (define_insn "*avx512pf_scatterpf<mode>sf"): Likewise.
21887 (define_insn "*avx512pf_scatterpf<mode>df"): Likewise.
21888 * config/i386/i386.c (ix86_expand_builtin): Remove first operand
21889 comparison with constm1_rtx from vec_prefetch_gen part.
21891 2016-01-13 Richard Biener <rguenther@suse.de>
21893 PR tree-optimization/69013
21894 * tree-ssa-uninit.c (prune_uninit_phi_opnds_in_unrealizable_paths):
21895 Exchange assert for a test.
21897 2016-01-13 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
21900 * config/s390/s390.md (bswaphi splitter): Use simplify_gen_subreg.
21902 2016-01-13 Richard Biener <rguenther@suse.de>
21904 PR tree-optimization/69242
21905 * tree-ssa-sccvn.c (visit_reference_op_load): Replace bogus
21906 assert with a check.
21908 2016-01-13 Richard Biener <rguenther@suse.de>
21910 PR tree-optimization/69186
21911 * tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
21912 Properly guard vect_update_misalignment_for_peel call.
21914 2016-01-12 Jeff Law <law@redhat.com>
21916 PR tree-optimization/pr67755
21917 * tree-ssa-threadupdate.c (struct ssa_local_info_t): Add new field
21918 "need_profile_correction".
21919 (thread_block_1): Initialize new field to false by default. If we
21920 have multiple thread paths through a common joiner to different
21921 final targets, then set new field to true.
21922 (compute_path_counts): Only do count adjustment when it's really
21925 2016-01-12 Sandra Loosemore <sandra@codesourcery.com>
21927 * doc/invoke.texi (Spec Files): Move section down in file, past
21928 all command-line option descriptions.
21930 2016-01-12 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
21932 PR middle-end/54809
21933 * doc/gty.texi: Remove documentation of mark_hook.
21934 * gengtype.c (struct write_types_data): Remove code to support
21935 mark_hook attribute.
21936 (walk_type): Likewise.
21937 (write_func_for_structure): Likewise.
21939 2016-01-12 Sandra Loosemore <sandra@codesourcery.com>
21941 * doc/invoke.texi (Option Summary) Move -no-canonical-prefixes to
21942 Directory Options, and -specs= to Overall Options.
21943 (Overall Options): Adjust similarly. Reorder to group related
21944 options together. Make -specs= cross-reference the spec file details.
21945 (Directory Options): Adjust similarly.
21947 2016-01-12 Jeff Law <law@redhat.com>
21949 * tree-ssa-threadupdate.c: Various whitespace and typo fixes.
21951 2016-01-12 Olivier Hainque <hainque@adacore.com>
21953 * gcc.c (spec_undefvar_allowed): New global.
21954 (process_command): Set to true when running for --version or --help,
21956 (getenv_spec_function): When the variable is not defined, use the
21957 variable name as the variable value if we're allowed not to issue
21960 2016-01-12 Bin Cheng <bin.cheng@arm.com>
21962 PR tree-optimization/68911
21963 * tree-vrp.c (adjust_range_with_scev): Check overflow in range
21964 information computed for expression "init + nit * step".
21966 2016-01-12 Sandra Loosemore <sandra@codesourcery.com>
21968 * doc/invoke.texi (Invoking GCC): Copy-edit. Incorporate information
21969 about name of GCC executable. Remove deleted node from menu.
21970 (Directory Options) <-B>: Remove cross-reference to deleted node.
21971 (Target Options): Delete section.
21973 2016-01-12 Christian Bruel <christian.bruel@st.com>
21976 * config/arm/arm-c.c (arm_pragma_target_parse): Set NODE_CONDITIONAL
21977 for __ARM_NEON_FP, __ARM_FP, _ARM_FEATURE_LDREX.
21979 2016-01-12 Jakub Jelinek <jakub@redhat.com>
21982 * config/i386/i386.c (ix86_expand_special_args_builtin): Ensure
21983 aligned_mem is properly set for AVX512-VL floating point masked
21987 * ifcvt.c (cond_exec_process_if_block): When removing the last
21988 insn from then_bb, remove also any possible barriers that follow it.
21990 2016-01-12 H.J. Lu <hongjiu.lu@intel.com>
21994 * config/i386/iamcu.h (SIZE_TYPE): New macro.
21995 (PTRDIFF_TYPE): Likewise.
21996 (WCHAR_TYPE): Likewise.
21997 (WCHAR_TYPE_SIZE): Likewise.
21998 (STDINT_LONG32): Likewise.
22000 2016-01-12 Richard Biener <rguenther@suse.de>
22002 PR tree-optimization/69053
22003 * tree-vect-loop.c (get_initial_def_for_reduction): Properly
22004 convert initial value for cond reductions.
22006 2016-01-12 Richard Biener <rguenther@suse.de>
22008 PR tree-optimization/69007
22009 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Move
22010 widen_sum after dot_prod and sad.
22012 2016-01-12 Richard Biener <rguenther@suse.de>
22014 PR tree-optimization/69168
22015 * tree-vect-loop.c (vect_analyze_loop_2): Reset both main and
22016 pattern stmt SLP type.
22017 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Patterns may
22018 end up unused so cope with that case.
22020 2016-01-12 Richard Biener <rguenther@suse.de>
22022 PR tree-optimization/69157
22023 * tree-vect-stmts.c (vectorizable_mask_load_store): Check
22024 stmts def type only during analyze phase.
22025 (vectorizable_call): Likewise.
22026 (vectorizable_simd_clone_call): Likewise.
22027 (vectorizable_conversion): Likewise.
22028 (vectorizable_assignment): Likewise.
22029 (vectorizable_shift): Likewise.
22030 (vectorizable_operation): Likewise.
22031 (vectorizable_store): Likewise.
22032 (vectorizable_load): Likewise.
22034 2016-01-12 Richard Biener <rguenther@suse.de>
22036 PR tree-optimization/69174
22037 * tree-vect-stmts.c (vect_mark_relevant): Remove excessive vertical
22039 (vectorizable_load): Properly compute the number of loads needed
22040 for permuted strided SLP loads and do not spuriously assign
22041 to SLP_TREE_VEC_STMTS.
22043 2016-01-12 Andris Pavenis <andris.pavenis@iki.fi>
22045 * config/i386/djgpp.h (PREFERRED_DEBUGGING_TYPE): Define to DWARF2
22046 (TARGET_ASM_OUTPUT_IDENT): Define to default_asm_output_ident_directive
22047 (MD_EXEC_PREFIX): Remove.
22048 (MD_STARTFILE_PREFIX) Removee.
22049 (FILE_NAME_ABSOLUTE_P): Remove.
22050 (CPP_SPEC): Do not read macros from sys/version.h.
22051 (LINK_COMMAND_SPEC): Remove.
22052 (LOCAL_INCLUDE_DIR): Remove.
22053 (TARGET_ASM_NAMED_SECTION): Define to i386_djgpp_asm_named_section
22054 (TARGET_OS_CPP_BUILTINS): Add DJGPP (non ISO only), __DJGPP, __DJGPP__, unix.
22055 (POST_LINK_SPEC): Define to invoke stubify after linker
22056 (LIBSTDCXX): Remove define
22057 (DBX_REGISTER_NUMBER): Define to svr4_dbx_register_map.
22058 (DEFAULT_PCC_STRUCT_RETURN): Define to 1.
22059 (SUBTARGET_OVERRIDE_OPTIONS): Remove warning about -mbnu2210.
22060 (SUBTARGET_OVERRIDE_OPTIONS): Ignore -fPIC and generate message.
22061 (SUBTARGET_OVERRIDE_OPTIONS): Default to DWARF2 debugging info.
22062 (IX86_MAYBE_NO_LIBGCC_TFMODE): Remove.
22063 (i386_djgpp_asm_named_section): Add propotype of new procedure
22065 * config/i386/xm-djgpp.h (NATIVE_SYSTEM_HEADER_DIR): Define.
22066 (MD_EXEC_PREFIX): Define (moved from config/i386/djgpp.h).
22067 (STANDARD_STARTFILE_PREFIX_1): Define (moved from MD_STARTFILE_PREFIX
22068 in config/i386/djgpp.h).
22069 (STANDARD_STARTFILE_PREFIX_2): Define identical to
22070 STANDARD_STARTFILE_PREFIX_1.
22071 (LOCAL_INCLUDE_DIR): Define (moved from config/i386/djgpp.h).
22072 (GCC_DRIVER_HOST_INITIALIZATION): Fix reporting fatal
22073 installation errors.
22074 (MAX_OFILE_ALIGNMENT): Define to 128.
22075 (HAVE_FTW_H): Undefine as DJGPP do not have nftw, but have ftw.h.
22077 * config/i386/djgpp.c: New file. Add implementation of
22078 i386_djgpp_asm_named_section.
22080 * config/i386/djgpp.opt: Remove obsolete option -mbnu210.
22082 * config/i386/t-djgpp: New file. Add djgpp.o to EXTRA_OBJS.
22083 Add rule for building djgpp.o.
22085 2016-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
22087 * config/rs6000/rs6000.c (v2df_reduction_p): New function.
22088 (rtx_is_swappable_p): Reductions are swappable.
22089 (insn_is_swappable_p): V2DF reductions are swappable.
22091 2016-01-11 John David Anglin <danglin@gcc.gnu.org>
22093 * config/pa/pa.c (pa_emit_move_sequence): Handle floating point
22094 reloads for other unsupported memory operands.
22096 2016-01-12 Kugan Vivekanandarajah <kuganv@linaro.org>
22097 Jim Wilson <jim.wilson@linaro.org>
22100 * config/arm/arm-builtins.c (arm_expand_neon_args): Call
22101 copy_to_mode_reg instead of force_reg.
22103 2016-01-11 H.J. Lu <hongjiu.lu@intel.com>
22106 * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Set to 2 only if
22107 TARGET_80387 is true.
22109 2016-01-11 Jakub Jelinek <jakub@redhat.com>
22112 * lra-eliminations.c (move_plus_up): Only move plus up
22113 if subreg of the constant can be simplified into constant
22114 and use the simplified subreg of the constant instead of
22115 the original constant.
22117 * fold-const.c (fold_convertible_p): Don't return true
22118 for conversion of VECTOR_TYPE to same sized integral type.
22119 (fold_convert_loc): Fix up formatting. Fold conversion of
22120 VECTOR_TYPE to same sized integral type using VIEW_CONVERT_EXPR
22121 instead of NOP_EXPR.
22123 PR tree-optimization/69214
22124 * tree-vrp.c (simplify_cond_using_ranges): Don't propagate
22125 innerop into a comparison if SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
22128 PR tree-optimization/69207
22129 * tree-vect-slp.c (vect_get_constant_vectors): For
22130 VECTOR_BOOLEAN_TYPE_P, assert op has integral type instead of
22131 fold_convertible_p to vector_type's element type, and always
22132 use VCE for non-VECTOR_BOOLEAN_TYPE_P.
22134 2016-01-11 Richard Biener <rguenther@suse.de>
22136 PR tree-optimization/69173
22137 * tree-vect-loop.c (vect_fixup_scalar_cycles_with_patterns): Only
22138 fixup the cycle if all stmts are in a pattern.
22140 2016-01-11 Uros Bizjak <ubizjak@gmail.com>
22142 PR middle-end/68999
22143 * alias.c (base_alias_check): Move check for addresses with
22144 alignment ANDs before the call for compare_base_decls.
22145 (memrefs_conflict_p): Return -1 for different decls
22146 that went through alignment adjustments.
22148 2016-01-11 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
22150 PR rtl-optimization/68796
22151 * config/aarch64/aarch64.md (*and<mode>_compare0): New pattern.
22152 * config/aarch64/aarch64.c (aarch64_select_cc_mode): Handle HImode
22153 and QImode comparisons against zero with CC_NZmode.
22154 * config/aarch64/iterators.md (short_mask): New mode_attr.
22156 2016-01-11 H.J. Lu <hongjiu.lu@intel.com>
22158 * config/i386/sse.md (<avx512>_load<mode>_mask): Remove snprintf.
22159 (<avx512>_store<mode>_mask): Likewise.
22161 2016-01-11 Bernd Schmidt <bschmidt@redhat.com>
22162 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
22164 PR rtl-optimization/68841
22165 * ifcvt.c (struct noce_if_info): Add orig_x field.
22166 (bbs_ok_for_cmove_arith): Add to_rename parameter.
22167 Don't record conflicts on to_rename if it's present.
22168 Allow memory destinations in sets.
22169 (noce_try_cmove_arith): Call bbs_ok_for_cmove_arith even on simple
22170 blocks, passing orig_x to the checks.
22171 (noce_process_if_block): Set if_info->orig_x appropriately.
22173 2016-01-11 Tom de Vries <tom@codesourcery.com>
22175 PR tree-optimization/69069
22176 * tree-parloops.c (create_parallel_loop): Add missing phi args.
22178 2016-01-11 Yuri Rumyantsev <ysrumyan@gmail.com>
22180 PR rtl-optimization/68920
22181 * config/i386/i386.c (ix86_option_override_internal): Restrict number
22182 of conditional moves for RTL if-conversion to 1 for
22183 TARGET_ONE_IF_CONV_INSN.
22184 * config/i386/i386.h (TARGET_ONE_IF_CONV_INSN): New macros.
22185 * config/i386/x86-tune.def (X86_TUNE_ONE_IF_CONV_INSN): New macros.
22186 * params.def (PARAM_MAX_RTL_IF_CONVERSION_INSNS) : Introduce new
22187 parameter to restirct number of conditional moves for
22189 * doc/invoke.texi (max-rtl-if-conversion-insns): Document it.
22190 * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Limit number of
22193 2016-01-11 Alexandre Oliva <aoliva@redhat.com>
22196 * var-tracking.c (drop_overlapping_mem_locs): Operate on all
22197 onepart vars. Fix typo in comment. Fix reversed condition in
22199 (dataflow_set_remove_mem_locs): Operate on all onepart vars.
22202 * var-tracking.c (dump_onepart_variable_differences): New.
22203 (dataflow_set_different): If a detailed dump is requested,
22204 delay early returns and dump differences between onepart
22205 variables present before and after, and added variables.
22207 2016-01-11 Ilya Enkovich <enkovich.gnu@gmail.com>
22210 * expr.c (expand_expr_real_1): For boolean vector constants
22211 with a scalar mode use const_scalar_mask_from_tree.
22212 (const_scalar_mask_from_tree): New.
22213 * optabs.c (expand_vec_cond_mask_expr): Use mask mode
22214 assigned to a mask type to handle constants.
22216 2016-01-11 Martin Jambor <mjambor@suse.cz>
22219 * ipa-cp.c (estimate_local_effects): Do not clone for removal of
22220 useless parameters if we cannot change function signature.
22222 2016-01-11 Martin Jambor <mjambor@suse.cz>
22225 * cgraphclones.c (duplicate_thunk_for_node): Copy can_change_signature
22228 2016-01-11 Tom de Vries <tom@codesourcery.com>
22230 PR tree-optimization/69109
22231 * tree-parloops.c (try_transform_to_exit_first_loop_alt): Don't allow
22234 2016-01-11 Tom de Vries <tom@codesourcery.com>
22236 PR tree-optimization/69108
22237 * tree-parloops.c (gather_scalar_reductions): Handle case that outer phi
22238 res is not used in a phi.
22240 2016-01-11 Yury Gribov <y.gribov@samsung.com>
22243 * common.opt (frandom-seed): Fix parameter name.
22244 * doc/invoke.texi (frandom-seed): Ditto and describe parameter.
22246 2016-01-11 Tom de Vries <tom@codesourcery.com>
22248 PR tree-optimization/69058
22249 * tree-parloops.c (pass_parallelize_loops::execute): Return 0 if libgomp
22252 2016-01-11 Andrew Burgess <andrew.burgess@embecosm.com>
22254 * config/arc/arc.opt (mdiv-rem): Add period to the end.
22255 (mcode-density): Likewise.
22257 2016-01-10 Tom de Vries <tom@codesourcery.com>
22259 PR tree-optimization/69062
22260 * tree-parloops.c (loop_has_phi_with_address_arg): New function.
22261 (parallelize_loops): Don't paralelize loop that has phi with address
22264 2016-01-10 Tom de Vries <tom@codesourcery.com>
22266 PR tree-optimization/69039
22267 * tree-parloops.c (try_create_reduction_list): Only allow single exit
22270 2016-01-09 John David Anglin <danglin@gcc.gnu.org>
22272 PR middle-end/68743
22273 * match.pd: Require target has function_c99_misc before doing
22274 truncl(extend(x)) and trunc(extend(x)) -> extend(truncf(x)), etc.
22276 2016-01-09 Gerald Pfeifer <gerald@pfeifer.com>
22278 * configure.ac (isl_options_set_schedule_serialize_sccs): Also
22280 * configure: Regenerate.
22282 2016-01-09 Jakub Jelinek <jakub@redhat.com>
22284 PR middle-end/50865
22285 PR tree-optimization/69097
22286 * fold-const.h (expr_not_equal_to): New prototype.
22287 * fold-const.c: Include stringpool.h and tree-ssanames.h.
22288 (expr_not_equal_to): New function.
22289 * match.pd (X % -Y is the same as X % Y): Don't optimize
22290 unless X is known not to be equal to minimum or Y is known
22291 not to be equal to -1.
22292 * tree-vrp.c (simplify_div_or_mod_using_ranges): Add GSI argument.
22293 fold TRUNC_MOD_EXPR if the second argument is not a power of two.
22294 (simplify_stmt_using_ranges): Adjust caller.
22295 (vrp_finalize): Call set_value_range on SSA_NAMEs before calling
22296 substitute_and_fold.
22298 2016-01-09 Jan Hubicka <hubicka@ucw.cz>
22300 * ipa-icf.c (sem_item_optimizer::merge_classes): Do not ICE on VAR_DECL
22303 2016-01-08 Jakub Jelinek <jakub@redhat.com>
22305 PR tree-optimization/69167
22306 * gimple-fold.c (replace_stmt_with_simplification): Also punt if
22307 new SSA_NAME_OCCURS_IN_ABNORMAL_PHI SSA_NAMEs appear in operands of
22309 * gimple-match-head.c (maybe_push_res_to_seq): Likewise.
22311 2016-01-08 Alan Lawrence <alan.lawrence@arm.com>
22312 Richard Biener <rguenther@suse.de>
22314 PR tree-optimization/68707
22315 * tree-vect-slp.c (vect_analyze_slp_instance): Cancel permuted SLP
22316 instances that can be handled via vect_load_lanes.
22318 2016-01-08 Uros Bizjak <ubizjak@gmail.com>
22320 * symtab.c (symtab_node::equal_address_to): Return -1 instead of 2
22321 if we can't determine address equivalence.
22322 * alias.c (compare_base_decl): Update for changed return value of
22323 symtab_node::equal_address_to.
22325 2016-01-08 Jason Merrill <jason@redhat.com>
22329 * function.c (assign_temp): Guard against TREE_ADDRESSABLE types here.
22330 * expr.c (store_field): Not here.
22331 * tree-cfgcleanup.c (fixup_noreturn_call): Don't clear LHS of a
22332 call with TREE_ADDRESSABLE type.
22333 * tree-cfg.c (verify_gimple_call): Adjust.
22335 2016-01-08 Olivier Hainque <hainque@adacore.com>
22337 * config/vxworks.h (VXWORKS_LIBGCC_SPEC): Don't link shared RTPs with
22340 2016-01-08 Alan Lawrence <alan.lawrence@arm.com>
22342 * gcc.target/rs6000/paired.md (reduc_smax_v2sf): Rename to...
22343 (reduc_smax_scal_v2sf): ...here, make result SFmode, extract element.
22344 (reduc_smin_v2sf): Rename to...
22345 (reduc_smin_scal_v2sf): ...here, make result SFmode, extract element.
22346 (reduc_splus_v2sf): Rename to...
22347 (reduc_plus_scal_v2sf): ...here, make result SFmode, extract element.
22349 2016-01-08 Jakub Jelinek <jakub@redhat.com>
22351 PR tree-optimization/69162
22352 * gimplify.c (gimplify_va_arg_expr): Encode original type of
22353 valist argument in another argument.
22354 (gimplify_modify_expr): Adjust for the above change. Cleanup.
22355 * tree-stdarg.c (expand_ifn_va_arg_1): Use new 3rd argument
22356 to determine the va_list type, build a MEM_REF instead of
22357 build_fold_indirect_ref.
22359 PR tree-optimization/69172
22360 * gimple-fold.c (gimple_fold_builtin_memory_chk): Pass type to
22363 2016-01-08 Thomas Preud'homme <thomas.preudhomme@arm.com>
22365 PR tree-optimization/67781
22366 * tree-ssa-math-opts.c (find_bswap_or_nop): Zero out bytes in cmpxchg
22367 and cmpnop in two steps: first the ones not accessed in original
22368 gimple expression in a endian independent way and then the ones not
22369 accessed in the final result in an endian-specific way.
22371 2016-01-08 Jakub Jelinek <jakub@redhat.com>
22373 PR tree-optimization/69083
22374 * tree-vect-slp.c (vect_get_constant_vectors): For
22375 VECTOR_BOOLEAN_TYPE_P assert op is fold_convertible_p to vector_type's
22376 element type. If op is fold_convertible_p to vector_type's element
22377 type, use NOP_EXPR instead of VCE.
22379 2016-01-08 Segher Boessenkool <segher@kernel.crashing.org>
22381 PR rtl-optimization/67778
22382 PR rtl-optimization/68634
22383 PR rtl-optimization/68909
22384 * shrink-wrap.c (try_shrink_wrapping): Add comment. Don't pop
22385 block from the stack until done with it. Remove a superfluous
22386 bitmap set. Remove a superfluous bitmap test.
22388 2016-01-07 Martin Sebor <msebor@redhat.com>
22391 * doc/extend.texi (__atomic Builtins, __sync Builtins): Document
22392 constraint on the type of arguments.
22394 2016-01-07 Andreas Tobler <andreast@gcc.gnu.org>
22396 * config/arm/freebsd.h: Rename SUBTARGET_OVERRIDE_OPTIONS to
22397 SUBTARGET_OVERRIDE_INTERNAL_OPTIONS. Adjust to check
22398 unaligned_access on the gcc_options set.
22399 * config/arm/arm.c (arm_option_override_internal): Use
22400 SUBTARGET_OVERRIDE_INTERNAL_OPTIONS.
22402 2016-01-07 Uros Bizjak <ubizjak@gmail.com>
22405 * config/i386/i386.c (ix86_frame_pointer_required): Enable
22406 frame pointer for TARGET_64BIT_MS_ABI when stack is misaligned.
22408 2016-01-07 Uros Bizjak <ubizjak@gmail.com>
22411 2016-01-06 Uros Bizjak <ubizjak@gmail.com>
22414 * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
22415 depending on frame_pointer_needed before remaining integer and SSE
22416 registers are saved.
22418 2016-01-07 Sandra Loosemore <sandra@codesourcery.com>
22421 * doc/extend.texi (Nvidia PDX Function Attributes): New section.
22423 2016-01-07 H.J. Lu <hongjiu.lu@intel.com>
22426 * config/i386/sse.md (<sse>_sqrt<mode>2<mask_name><round_name>):
22427 Use the "xBm" constraint.
22428 (float<sseintvecmodelower><mode>2<mask_name><round_name):
22430 (sse_cvtsi2ss<round_name>): Use round_nimm_scalar_predicate.
22431 (sse_cvtsi2ssq<round_name>): Likewise.
22432 (sse_cvtss2si<round_name>): Likewise.
22433 (sse_cvtss2siq<round_name>): Likewise.
22434 (sse2_cvtsi2sdq<round_name>): Likewise.
22435 (sse2_cvtsd2si<round_name>): Likewise.
22436 (sse2_cvtsd2siq<round_name>): Likewise.
22437 * config/i386/subst.md (round_nimm_scalar_predicate): New
22440 2015-12-15 Bernd Schmidt <bschmidt@redhat.com>
22442 PR middle-end/67639
22443 * varasm.c (make_decl_rtl): Mark invalid register vars as
22446 PR rtl-optimization/66206
22447 * bt-load.c (find_btr_use): Change first arg to be a pointer to an rtx.
22448 All callers changed.
22450 2016-01-07 Jakub Jelinek <jakub@redhat.com>
22452 PR tree-optimization/69141
22453 * tree-ssa-pre.c: Include langhooks.h.
22454 (eliminate_dom_walker::before_dom_children): Use
22455 lang_hooks.decl_printable_name instead of
22456 cgraph_node::get ()->name ().
22458 PR middle-end/68960
22459 * gimple-expr.c (copy_var_decl): If var has DECL_USER_ALIGN set, copy
22460 it and DECL_ALIGN too.
22462 2016-01-06 Robert Suchanek <robert.suchanek@imgtec.com>
22464 * config/mips/mips-ftypes.def: Sort to lexicographical order.
22466 2016-01-06 Uros Bizjak <ubizjak@gmail.com>
22469 * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
22470 depending on frame_pointer_needed before remaining integer and SSE
22471 registers are saved.
22473 2015-01-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
22475 * config/rs6000/vsx.md (*p9_vecload_<mode>): Replace VSX_M
22476 mode iterator with VSX_M2.
22477 (*p9_vecstore_<mode>): Likewise.
22478 (*vsx_le_permute_<mode>): Restrict to !TARGET_P9_VECTOR.
22479 (*vsx_le_perm_load_<mode> for VSX_LE_128): Likewise.
22480 (*vsx_le_perm_store_<mode> for VSX_LE_128): Likewise.
22481 (define_split for VSX_LE128 stores): Likewise.
22482 (define_peephole2 for TImode LE swaps): Likewise.
22483 (define_split for VSX_LE128 post-reload stores): Likewise.
22485 2016-01-06 Marek Polacek <polacek@redhat.com>
22488 * convert.c (convert_to_integer_1): Adjust call to
22489 ubsan_instrument_float_cast. Use NULL_TREE instead of NULL.
22490 * ubsan.c (ubsan_instrument_float_cast): Drop the ARG parameter. Use
22491 EXPR instead of ARG.
22492 * ubsan.h (ubsan_instrument_float_cast): Adjust declaration.
22494 2016-01-05 Sandra Loosemore <sandra@codesourcery.com>
22497 * doc/extend.texi (RL78 Variable Attributes): New section.
22499 2016-01-05 Marek Polacek <polacek@redhat.com>
22502 * builtins.c (get_memmodel): Use expansion point location rather than
22503 the input location. Call warning_at rather than warning.
22504 (expand_builtin_atomic_compare_exchange): Likewise.
22505 (expand_builtin_atomic_load): Likewise.
22506 (expand_builtin_atomic_store): Likewise.
22507 (expand_builtin_atomic_clear): Likewise.
22509 2016-01-05 H.J. Lu <hongjiu.lu@intel.com>
22512 * config/i386/i386.c (ix86_expand_vector_logical_operator):
22513 Replace nonimmediate_operand with vector_operand.
22514 * config/i386/predicates.md (vector_operand): New predicate.
22515 (general_vector_operand): Replace nonimmediate_operand with
22517 * config/i386/sse.md: Replace nonimmediate_operand with
22518 vector_operand and m constraint with Bm constraint on SSE
22519 patterns with 16-byte memory operand.
22520 * config/i386/subst.md (round_nimm_predicate): Replace
22521 nonimmediate_operand with vector_operand.
22522 (round_saeonly_nimm_predicate): Likewise.
22523 (round_saeonly_nimm_scalar_predicate): New.
22525 2016-01-05 H.J. Lu <hongjiu.lu@intel.com>
22528 * config/i386/constraints.md (Bm): New constraint.
22529 * config/i386/predicates.md (vector_memory_operand): New
22531 * config/i386/sse.md: Replace xm with xBm in plusminus and
22532 any_logic patterns.
22534 2016-01-05 Sandra Loosemore <sandra@codesourcery.com>
22537 * doc/extend.texi (V850 Function Attributes): New section.
22538 (V850 Variable Attributes): New section.
22540 2016-01-05 Sandra Loosemore <sandra@codesourcery.com>
22543 * doc/extend.texi (MicroBlaze Function Attributes): Document
22544 interrupt_handler and fast_interrupt attributes.
22546 2016-01-05 Sergei Trofimovich <siarheit@google.com>
22549 * config/ia64/ia64.c (ia64_expand_load_address): Use gprel64
22550 for local symbolic operands.
22551 * config/ia64/predicates.md (local_symbolic_operand64): New
22554 2016-01-05 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
22556 PR rtl-optimization/68651
22557 * combine.c (combine_simplify_rtx): Canonicalize x + x into
22560 2016-01-05 Nathan Sidwell <nathan@acm.org>
22562 * alias.c (compare_base_decls): Use symtab_node::get.
22564 2016-01-05 Nick Clifton <nickc@redhat.com>
22567 * ira-costs.c (copy_cost): Initialise the t_icode field of the
22568 secondary_reload_info structure.
22571 * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Define to use weak
22572 decls if weak support is available.
22574 2016-01-04 Martin Sebor <msebor@redhat.com>
22576 * doc/invoke.texi (Warning Options): Document -Winvalid-memory-model.
22578 2016-01-04 Michael Meissner <meissner@linux.vnet.ibm.com>
22580 * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Add
22581 OPTION_MASK_P9_DFORM.
22583 * config/rs6000/constraints.md (wo constraint): New constraint for
22586 * config/rs6000/rs6000.c (rs6000_debug_reg_global): Add support
22588 (rs6000_init_hard_regno_mode_ok): Likewise.
22590 * config/rs6000/rs6000.h (r6000_reg_class_enum): Add support for
22593 * config/rs6000/altivec.md (altivec_vperm_<mode>): Clean up vperm
22594 expanders not to have constraints. Add support for ISA 3.0 xxperm
22595 instruction. Add support for fusing xxlor with xxperm.
22596 (altivec_vperm_<mode>_internal): Likewise.
22597 (altivec_vperm_v8hiv16qi): Likewise.
22598 (altivec_vperm_<mode>v16q): Likewise.
22599 (altivec_vperm_<mode>_uns): Likewise.
22600 (vperm_v8hiv4si): Likewise.
22601 (vperm_v16qiv8hi): Likewise.
22603 * doc/md.texi (RS/6000 constraints): Document wo constraint.
22605 2016-01-04 Jakub Jelinek <jakub@redhat.com>
22607 Update copyright years.
22609 * gcc.c (process_command): Update copyright notice dates.
22610 * gcov-dump.c (print_version): Ditto.
22611 * gcov.c (print_version): Ditto.
22612 * gcov-tool.c (print_version): Ditto.
22613 * gengtype.c (create_file): Ditto.
22614 * doc/cpp.texi: Bump @copying's copyright year.
22615 * doc/cppinternals.texi: Ditto.
22616 * doc/gcc.texi: Ditto.
22617 * doc/gccint.texi: Ditto.
22618 * doc/gcov.texi: Ditto.
22619 * doc/install.texi: Ditto.
22620 * doc/invoke.texi: Ditto.
22622 2016-01-04 Eric Botcazou <ebotcazou@adacore.com>
22624 * config/arm/arm.c (aapcs_vfp_allocate_return_reg): Treat all integer
22625 modes larger than TImode as TImode if NEON is not enabled.
22627 2016-01-04 Eric Botcazou <ebotcazou@adacore.com>
22630 * config/sparc/sparc.h (FUNCTION_ARG_REGNO_P): Return true in 64-bit
22631 mode for %f0-%f31 only if TARGET_FPU.
22633 2016-01-04 Eric Botcazou <ebotcazou@adacore.com>
22636 * config/sparc/sparc.c (scan_record_type): Take into account subfields
22637 to compute the PACKED_P predicate.
22638 (function_arg_record_value): Minor tweaks.
22640 2016-01-04 Thomas Preud'homme <thomas.preudhomme@arm.com>
22642 * doc/install.texi (--with-multilib-list): Describe the meaning of the
22643 option for arm*-*-* targets.
22645 2016-01-03 Sandra Loosemore <sandra@codesourcery.com>
22647 * doc/extend.texi (Common Function Attributes): Move docs for
22648 MSP430-specific attributes to....
22649 (MSP430 Function Attributes): ...here. Delete the redundant
22650 entries and copy-edit the remaining text.
22651 (MSP430 Variable Attributes): Use uniform format for index
22652 entries and add a cross-reference to the corresponding function
22655 2016-01-03 Vladimír Čunát <vcunat@gmail.com>
22657 * doc/invoke.texi (RS/6000 and PowerPC Options): Fix
22659 (x86 Options): Likewise.
22661 2016-01-01 Sandra Loosemore <sandra@codesourcery.com>
22665 * extend.texi (Common Function Attributes) <no_stack_limit>: New.
22666 * invoke.texi (Code Gen Options) <-fno-stack-limit>: Add pointer
22667 to corresponding attribute.
22669 2016-01-01 Sandra Loosemore <sandra@codesourcery.com>
22671 * doc/extend.texi (Common Function Attributes) <noplt>: Move
22672 to correct alphabetization of table. Copy-edit and correct
22674 <stack_protect>: Likewise.
22675 <target_clones>: Likewise.
22677 * doc/invoke.texi (Optimize Options) <-fstack-protector-explicit>:
22678 Correct punctuation.
22679 (Code Gen Options) <-fno-plt>: Copy-edit.
22681 2016-01-01 Bernd Edlinger <bernd.edlinger@hotmail.de>
22684 * config/tilegx/tilegx.md (clzsi2): Don't create DI subregs of
22685 SI values. Explicitly convert SI to DI and vice-versa.
22687 2016-01-01 Jakub Jelinek <jakub@redhat.com>
22689 PR tree-optimization/69070
22690 * tree-ssa-math-opts.c (gimple_expand_builtin_pow): Only test
22691 REAL_VALUE_ISSIGNALING_NAN on arg0 if arg0 is a REAL_CST.
22694 * ubsan.c (ubsan_instrument_float_cast): Call
22695 initialize_sanitizer_builtins.
22698 * ifcvt.c (find_cond_trap): Give up if returnjump_p (jump).
22700 Copyright (C) 2016 Free Software Foundation, Inc.
22702 Copying and distribution of this file, with or without modification,
22703 are permitted in any medium without royalty provided the copyright
22704 notice and this notice are preserved.